Commit | Line | Data |
---|---|---|
a0d0e21e LW |
1 | /* perl.c |
2 | * | |
4bb101f2 | 3 | * Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 1999, |
fdf8c088 | 4 | * 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007 by Larry Wall and others |
a687059c | 5 | * |
352d5a3a LW |
6 | * You may distribute under the terms of either the GNU General Public |
7 | * License or the Artistic License, as specified in the README file. | |
a687059c | 8 | * |
8d063cd8 LW |
9 | */ |
10 | ||
a0d0e21e LW |
11 | /* |
12 | * "A ship then new they built for him/of mithril and of elven glass" --Bilbo | |
13 | */ | |
45d8adaa | 14 | |
166f8a29 DM |
15 | /* This file contains the top-level functions that are used to create, use |
16 | * and destroy a perl interpreter, plus the functions used by XS code to | |
17 | * call back into perl. Note that it does not contain the actual main() | |
ddfa107c | 18 | * function of the interpreter; that can be found in perlmain.c |
166f8a29 DM |
19 | */ |
20 | ||
ae3f3efd PS |
21 | /* PSz 12 Nov 03 |
22 | * | |
23 | * Be proud that perl(1) may proclaim: | |
24 | * Setuid Perl scripts are safer than C programs ... | |
25 | * Do not abandon (deprecate) suidperl. Do not advocate C wrappers. | |
26 | * | |
27 | * The flow was: perl starts, notices script is suid, execs suidperl with same | |
28 | * arguments; suidperl opens script, checks many things, sets itself with | |
29 | * right UID, execs perl with similar arguments but with script pre-opened on | |
30 | * /dev/fd/xxx; perl checks script is as should be and does work. This was | |
31 | * insecure: see perlsec(1) for many problems with this approach. | |
32 | * | |
33 | * The "correct" flow should be: perl starts, opens script and notices it is | |
34 | * suid, checks many things, execs suidperl with similar arguments but with | |
35 | * script on /dev/fd/xxx; suidperl checks script and /dev/fd/xxx object are | |
36 | * same, checks arguments match #! line, sets itself with right UID, execs | |
37 | * perl with same arguments; perl checks many things and does work. | |
38 | * | |
39 | * (Opening the script in perl instead of suidperl, we "lose" scripts that | |
40 | * are readable to the target UID but not to the invoker. Where did | |
41 | * unreadable scripts work anyway?) | |
42 | * | |
43 | * For now, suidperl and perl are pretty much the same large and cumbersome | |
44 | * program, so suidperl can check its argument list (see comments elsewhere). | |
45 | * | |
46 | * References: | |
47 | * Original bug report: | |
48 | * http://bugs.perl.org/index.html?req=bug_id&bug_id=20010322.218 | |
49 | * http://rt.perl.org/rt2/Ticket/Display.html?id=6511 | |
50 | * Comments and discussion with Debian: | |
51 | * http://bugs.debian.org/203426 | |
52 | * http://bugs.debian.org/220486 | |
53 | * Debian Security Advisory DSA 431-1 (does not fully fix problem): | |
54 | * http://www.debian.org/security/2004/dsa-431 | |
55 | * CVE candidate: | |
56 | * http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2003-0618 | |
57 | * Previous versions of this patch sent to perl5-porters: | |
58 | * http://www.mail-archive.com/perl5-porters@perl.org/msg71953.html | |
59 | * http://www.mail-archive.com/perl5-porters@perl.org/msg75245.html | |
60 | * http://www.mail-archive.com/perl5-porters@perl.org/msg75563.html | |
61 | * http://www.mail-archive.com/perl5-porters@perl.org/msg75635.html | |
62 | * | |
63 | Paul Szabo - psz@maths.usyd.edu.au http://www.maths.usyd.edu.au:8000/u/psz/ | |
64 | School of Mathematics and Statistics University of Sydney 2006 Australia | |
65 | * | |
66 | */ | |
67 | /* PSz 13 Nov 03 | |
68 | * Use truthful, neat, specific error messages. | |
69 | * Cannot always hide the truth; security must not depend on doing so. | |
70 | */ | |
71 | ||
72 | /* PSz 18 Feb 04 | |
73 | * Use global(?), thread-local fdscript for easier checks. | |
74 | * (I do not understand how we could possibly get a thread race: | |
75 | * do not all threads go through the same initialization? Or in | |
76 | * fact, are not threads started only after we get the script and | |
77 | * so know what to do? Oh well, make things super-safe...) | |
78 | */ | |
79 | ||
378cc40b | 80 | #include "EXTERN.h" |
864dbfa3 | 81 | #define PERL_IN_PERL_C |
378cc40b | 82 | #include "perl.h" |
e3321bb0 | 83 | #include "patchlevel.h" /* for local_patches */ |
378cc40b | 84 | |
011f1a1a JH |
85 | #ifdef NETWARE |
86 | #include "nwutil.h" | |
87 | char *nw_get_sitelib(const char *pl); | |
88 | #endif | |
89 | ||
df5cef82 | 90 | /* XXX If this causes problems, set i_unistd=undef in the hint file. */ |
a0d0e21e LW |
91 | #ifdef I_UNISTD |
92 | #include <unistd.h> | |
93 | #endif | |
a0d0e21e | 94 | |
2aa47728 NC |
95 | #ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP |
96 | # ifdef I_SYS_WAIT | |
97 | # include <sys/wait.h> | |
98 | # endif | |
bf357333 NC |
99 | # ifdef I_SYSUIO |
100 | # include <sys/uio.h> | |
101 | # endif | |
102 | ||
103 | union control_un { | |
104 | struct cmsghdr cm; | |
105 | char control[CMSG_SPACE(sizeof(int))]; | |
106 | }; | |
107 | ||
2aa47728 NC |
108 | #endif |
109 | ||
5311654c JH |
110 | #ifdef __BEOS__ |
111 | # define HZ 1000000 | |
112 | #endif | |
113 | ||
114 | #ifndef HZ | |
115 | # ifdef CLK_TCK | |
116 | # define HZ CLK_TCK | |
117 | # else | |
118 | # define HZ 60 | |
119 | # endif | |
120 | #endif | |
121 | ||
7114a2d2 | 122 | #if !defined(STANDARD_C) && !defined(HAS_GETENV_PROTOTYPE) && !defined(PERL_MICRO) |
20ce7b12 | 123 | char *getenv (char *); /* Usually in <stdlib.h> */ |
54310121 | 124 | #endif |
125 | ||
acfe0abc | 126 | static I32 read_e_script(pTHX_ int idx, SV *buf_sv, int maxlen); |
0cb96387 | 127 | |
a687059c LW |
128 | #ifdef IAMSUID |
129 | #ifndef DOSUID | |
130 | #define DOSUID | |
131 | #endif | |
ae3f3efd | 132 | #endif /* IAMSUID */ |
378cc40b | 133 | |
a687059c LW |
134 | #ifdef SETUID_SCRIPTS_ARE_SECURE_NOW |
135 | #ifdef DOSUID | |
136 | #undef DOSUID | |
137 | #endif | |
138 | #endif | |
8d063cd8 | 139 | |
d6f07c05 AL |
140 | #define CALL_BODY_EVAL(myop) \ |
141 | if (PL_op == (myop)) \ | |
142 | PL_op = Perl_pp_entereval(aTHX); \ | |
143 | if (PL_op) \ | |
144 | CALLRUNOPS(aTHX); | |
145 | ||
146 | #define CALL_BODY_SUB(myop) \ | |
147 | if (PL_op == (myop)) \ | |
148 | PL_op = Perl_pp_entersub(aTHX); \ | |
149 | if (PL_op) \ | |
150 | CALLRUNOPS(aTHX); | |
151 | ||
152 | #define CALL_LIST_BODY(cv) \ | |
153 | PUSHMARK(PL_stack_sp); \ | |
154 | call_sv((SV*)(cv), G_EVAL|G_DISCARD); | |
155 | ||
e6827a76 | 156 | static void |
daa7d858 | 157 | S_init_tls_and_interp(PerlInterpreter *my_perl) |
e6827a76 | 158 | { |
27da23d5 | 159 | dVAR; |
e6827a76 NC |
160 | if (!PL_curinterp) { |
161 | PERL_SET_INTERP(my_perl); | |
3db8f154 | 162 | #if defined(USE_ITHREADS) |
e6827a76 NC |
163 | INIT_THREADS; |
164 | ALLOC_THREAD_KEY; | |
165 | PERL_SET_THX(my_perl); | |
166 | OP_REFCNT_INIT; | |
71ad1b0c | 167 | HINTS_REFCNT_INIT; |
e6827a76 | 168 | MUTEX_INIT(&PL_dollarzero_mutex); |
06d86050 | 169 | # endif |
016af4f1 DM |
170 | #ifdef PERL_IMPLICIT_CONTEXT |
171 | MUTEX_INIT(&PL_my_ctx_mutex); | |
172 | # endif | |
e6827a76 NC |
173 | } |
174 | else { | |
175 | PERL_SET_THX(my_perl); | |
176 | } | |
177 | } | |
06d86050 | 178 | |
32e30700 GS |
179 | #ifdef PERL_IMPLICIT_SYS |
180 | PerlInterpreter * | |
7766f137 GS |
181 | perl_alloc_using(struct IPerlMem* ipM, struct IPerlMem* ipMS, |
182 | struct IPerlMem* ipMP, struct IPerlEnv* ipE, | |
32e30700 GS |
183 | struct IPerlStdIO* ipStd, struct IPerlLIO* ipLIO, |
184 | struct IPerlDir* ipD, struct IPerlSock* ipS, | |
185 | struct IPerlProc* ipP) | |
186 | { | |
187 | PerlInterpreter *my_perl; | |
9f653bb5 | 188 | /* Newx() needs interpreter, so call malloc() instead */ |
32e30700 | 189 | my_perl = (PerlInterpreter*)(*ipM->pMalloc)(ipM, sizeof(PerlInterpreter)); |
e6827a76 | 190 | S_init_tls_and_interp(my_perl); |
32e30700 GS |
191 | Zero(my_perl, 1, PerlInterpreter); |
192 | PL_Mem = ipM; | |
7766f137 GS |
193 | PL_MemShared = ipMS; |
194 | PL_MemParse = ipMP; | |
32e30700 GS |
195 | PL_Env = ipE; |
196 | PL_StdIO = ipStd; | |
197 | PL_LIO = ipLIO; | |
198 | PL_Dir = ipD; | |
199 | PL_Sock = ipS; | |
200 | PL_Proc = ipP; | |
7cb608b5 | 201 | INIT_TRACK_MEMPOOL(PL_memory_debug_header, my_perl); |
7766f137 | 202 | |
32e30700 GS |
203 | return my_perl; |
204 | } | |
205 | #else | |
954c1994 GS |
206 | |
207 | /* | |
ccfc67b7 JH |
208 | =head1 Embedding Functions |
209 | ||
954c1994 GS |
210 | =for apidoc perl_alloc |
211 | ||
212 | Allocates a new Perl interpreter. See L<perlembed>. | |
213 | ||
214 | =cut | |
215 | */ | |
216 | ||
93a17b20 | 217 | PerlInterpreter * |
cea2e8a9 | 218 | perl_alloc(void) |
79072805 | 219 | { |
cea2e8a9 | 220 | PerlInterpreter *my_perl; |
79072805 | 221 | |
9f653bb5 | 222 | /* Newx() needs interpreter, so call malloc() instead */ |
e8ee3774 | 223 | my_perl = (PerlInterpreter*)PerlMem_malloc(sizeof(PerlInterpreter)); |
ba869deb | 224 | |
e6827a76 | 225 | S_init_tls_and_interp(my_perl); |
7cb608b5 | 226 | #ifndef PERL_TRACK_MEMPOOL |
07409e01 | 227 | return (PerlInterpreter *) ZeroD(my_perl, 1, PerlInterpreter); |
7cb608b5 NC |
228 | #else |
229 | Zero(my_perl, 1, PerlInterpreter); | |
230 | INIT_TRACK_MEMPOOL(PL_memory_debug_header, my_perl); | |
231 | return my_perl; | |
232 | #endif | |
79072805 | 233 | } |
32e30700 | 234 | #endif /* PERL_IMPLICIT_SYS */ |
79072805 | 235 | |
954c1994 GS |
236 | /* |
237 | =for apidoc perl_construct | |
238 | ||
239 | Initializes a new Perl interpreter. See L<perlembed>. | |
240 | ||
241 | =cut | |
242 | */ | |
243 | ||
79072805 | 244 | void |
0cb96387 | 245 | perl_construct(pTHXx) |
79072805 | 246 | { |
27da23d5 | 247 | dVAR; |
ed6c66dd | 248 | PERL_UNUSED_ARG(my_perl); |
8990e307 | 249 | #ifdef MULTIPLICITY |
54aff467 | 250 | init_interp(); |
ac27b0f5 | 251 | PL_perl_destruct_level = 1; |
54aff467 GS |
252 | #else |
253 | if (PL_perl_destruct_level > 0) | |
254 | init_interp(); | |
255 | #endif | |
33f46ff6 | 256 | /* Init the real globals (and main thread)? */ |
3280af22 | 257 | if (!PL_linestr) { |
2aea9f8a GS |
258 | PL_curcop = &PL_compiling; /* needed by ckWARN, right away */ |
259 | ||
561b68a9 | 260 | PL_linestr = newSV(79); |
3280af22 | 261 | sv_upgrade(PL_linestr,SVt_PVIV); |
79072805 | 262 | |
3280af22 | 263 | if (!SvREADONLY(&PL_sv_undef)) { |
d689ffdd JP |
264 | /* set read-only and try to insure than we wont see REFCNT==0 |
265 | very often */ | |
266 | ||
3280af22 NIS |
267 | SvREADONLY_on(&PL_sv_undef); |
268 | SvREFCNT(&PL_sv_undef) = (~(U32)0)/2; | |
79072805 | 269 | |
3280af22 | 270 | sv_setpv(&PL_sv_no,PL_No); |
0309f36e NC |
271 | /* value lookup in void context - happens to have the side effect |
272 | of caching the numeric forms. */ | |
273 | SvIV(&PL_sv_no); | |
3280af22 NIS |
274 | SvNV(&PL_sv_no); |
275 | SvREADONLY_on(&PL_sv_no); | |
276 | SvREFCNT(&PL_sv_no) = (~(U32)0)/2; | |
79072805 | 277 | |
3280af22 | 278 | sv_setpv(&PL_sv_yes,PL_Yes); |
0309f36e | 279 | SvIV(&PL_sv_yes); |
3280af22 NIS |
280 | SvNV(&PL_sv_yes); |
281 | SvREADONLY_on(&PL_sv_yes); | |
282 | SvREFCNT(&PL_sv_yes) = (~(U32)0)/2; | |
7996736c MHM |
283 | |
284 | SvREADONLY_on(&PL_sv_placeholder); | |
285 | SvREFCNT(&PL_sv_placeholder) = (~(U32)0)/2; | |
6e72f9df | 286 | } |
79072805 | 287 | |
8aad04aa | 288 | PL_sighandlerp = (Sighandler_t) Perl_sighandler; |
ca0c25f6 | 289 | #ifdef PERL_USES_PL_PIDSTATUS |
3280af22 | 290 | PL_pidstatus = newHV(); |
ca0c25f6 | 291 | #endif |
79072805 LW |
292 | } |
293 | ||
396482e1 | 294 | PL_rs = newSVpvs("\n"); |
dc92893f | 295 | |
cea2e8a9 | 296 | init_stacks(); |
79072805 | 297 | |
748a9306 | 298 | init_ids(); |
3280af22 | 299 | PL_lex_state = LEX_NOTPARSING; |
a5f75d66 | 300 | |
312caa8e | 301 | JMPENV_BOOTSTRAP; |
f86702cc | 302 | STATUS_ALL_SUCCESS; |
303 | ||
0672f40e | 304 | init_i18nl10n(1); |
36477c24 | 305 | SET_NUMERIC_STANDARD(); |
0b5b802d | 306 | |
ab821d7f | 307 | #if defined(LOCAL_PATCH_COUNT) |
3280af22 | 308 | PL_localpatches = local_patches; /* For possible -v */ |
ab821d7f | 309 | #endif |
310 | ||
52853b95 GS |
311 | #ifdef HAVE_INTERP_INTERN |
312 | sys_intern_init(); | |
313 | #endif | |
314 | ||
3a1ee7e8 | 315 | PerlIO_init(aTHX); /* Hook to IO system */ |
760ac839 | 316 | |
3280af22 NIS |
317 | PL_fdpid = newAV(); /* for remembering popen pids by fd */ |
318 | PL_modglobal = newHV(); /* pointers to per-interpreter module globals */ | |
396482e1 | 319 | PL_errors = newSVpvs(""); |
48c6b404 | 320 | sv_setpvn(PERL_DEBUG_PAD(0), "", 0); /* For regex debugging. */ |
1f483ca1 JH |
321 | sv_setpvn(PERL_DEBUG_PAD(1), "", 0); /* ext/re needs these */ |
322 | sv_setpvn(PERL_DEBUG_PAD(2), "", 0); /* even without DEBUGGING. */ | |
1fcf4c12 | 323 | #ifdef USE_ITHREADS |
13137afc AB |
324 | PL_regex_padav = newAV(); |
325 | av_push(PL_regex_padav,(SV*)newAV()); /* First entry is an array of empty elements */ | |
326 | PL_regex_pad = AvARRAY(PL_regex_padav); | |
1fcf4c12 | 327 | #endif |
e5dd39fc | 328 | #ifdef USE_REENTRANT_API |
59bd0823 | 329 | Perl_reentrant_init(aTHX); |
e5dd39fc | 330 | #endif |
3d47000e AB |
331 | |
332 | /* Note that strtab is a rather special HV. Assumptions are made | |
333 | about not iterating on it, and not adding tie magic to it. | |
334 | It is properly deallocated in perl_destruct() */ | |
335 | PL_strtab = newHV(); | |
336 | ||
3d47000e AB |
337 | HvSHAREKEYS_off(PL_strtab); /* mandatory */ |
338 | hv_ksplit(PL_strtab, 512); | |
339 | ||
0631ea03 AB |
340 | #if defined(__DYNAMIC__) && (defined(NeXT) || defined(__NeXT__)) |
341 | _dyld_lookup_and_bind | |
342 | ("__environ", (unsigned long *) &environ_pointer, NULL); | |
343 | #endif /* environ */ | |
344 | ||
2f42fcb0 JH |
345 | #ifndef PERL_MICRO |
346 | # ifdef USE_ENVIRON_ARRAY | |
0631ea03 | 347 | PL_origenviron = environ; |
2f42fcb0 | 348 | # endif |
0631ea03 AB |
349 | #endif |
350 | ||
5311654c | 351 | /* Use sysconf(_SC_CLK_TCK) if available, if not |
dbc1d986 | 352 | * available or if the sysconf() fails, use the HZ. |
27da23d5 JH |
353 | * BeOS has those, but returns the wrong value. |
354 | * The HZ if not originally defined has been by now | |
355 | * been defined as CLK_TCK, if available. */ | |
dbc1d986 | 356 | #if defined(HAS_SYSCONF) && defined(_SC_CLK_TCK) && !defined(__BEOS__) |
5311654c JH |
357 | PL_clocktick = sysconf(_SC_CLK_TCK); |
358 | if (PL_clocktick <= 0) | |
359 | #endif | |
360 | PL_clocktick = HZ; | |
361 | ||
081fc587 AB |
362 | PL_stashcache = newHV(); |
363 | ||
e6830b13 NC |
364 | PL_patchlevel = Perl_newSVpvf(aTHX_ "%d.%d.%d", (int)PERL_REVISION, |
365 | (int)PERL_VERSION, (int)PERL_SUBVERSION); | |
d7aa5382 | 366 | |
27da23d5 JH |
367 | #ifdef HAS_MMAP |
368 | if (!PL_mmap_page_size) { | |
369 | #if defined(HAS_SYSCONF) && (defined(_SC_PAGESIZE) || defined(_SC_MMAP_PAGE_SIZE)) | |
370 | { | |
371 | SETERRNO(0, SS_NORMAL); | |
372 | # ifdef _SC_PAGESIZE | |
373 | PL_mmap_page_size = sysconf(_SC_PAGESIZE); | |
374 | # else | |
375 | PL_mmap_page_size = sysconf(_SC_MMAP_PAGE_SIZE); | |
376 | # endif | |
377 | if ((long) PL_mmap_page_size < 0) { | |
378 | if (errno) { | |
44f8325f | 379 | SV * const error = ERRSV; |
d4c19fe8 | 380 | SvUPGRADE(error, SVt_PV); |
0510663f | 381 | Perl_croak(aTHX_ "panic: sysconf: %s", SvPV_nolen_const(error)); |
27da23d5 JH |
382 | } |
383 | else | |
384 | Perl_croak(aTHX_ "panic: sysconf: pagesize unknown"); | |
385 | } | |
386 | } | |
387 | #else | |
388 | # ifdef HAS_GETPAGESIZE | |
389 | PL_mmap_page_size = getpagesize(); | |
390 | # else | |
391 | # if defined(I_SYS_PARAM) && defined(PAGESIZE) | |
392 | PL_mmap_page_size = PAGESIZE; /* compiletime, bad */ | |
393 | # endif | |
394 | # endif | |
395 | #endif | |
396 | if (PL_mmap_page_size <= 0) | |
397 | Perl_croak(aTHX_ "panic: bad pagesize %" IVdf, | |
398 | (IV) PL_mmap_page_size); | |
399 | } | |
400 | #endif /* HAS_MMAP */ | |
401 | ||
402 | #if defined(HAS_TIMES) && defined(PERL_NEED_TIMESBASE) | |
403 | PL_timesbase.tms_utime = 0; | |
404 | PL_timesbase.tms_stime = 0; | |
405 | PL_timesbase.tms_cutime = 0; | |
406 | PL_timesbase.tms_cstime = 0; | |
407 | #endif | |
408 | ||
5336380d NC |
409 | #ifdef PERL_MAD |
410 | PL_curforce = -1; | |
411 | #endif | |
412 | ||
8990e307 | 413 | ENTER; |
79072805 LW |
414 | } |
415 | ||
954c1994 | 416 | /* |
62375a60 NIS |
417 | =for apidoc nothreadhook |
418 | ||
419 | Stub that provides thread hook for perl_destruct when there are | |
420 | no threads. | |
421 | ||
422 | =cut | |
423 | */ | |
424 | ||
425 | int | |
4e9e3734 | 426 | Perl_nothreadhook(pTHX) |
62375a60 | 427 | { |
96a5add6 | 428 | PERL_UNUSED_CONTEXT; |
62375a60 NIS |
429 | return 0; |
430 | } | |
431 | ||
41e4abd8 NC |
432 | #ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP |
433 | void | |
434 | Perl_dump_sv_child(pTHX_ SV *sv) | |
435 | { | |
436 | ssize_t got; | |
bf357333 NC |
437 | const int sock = PL_dumper_fd; |
438 | const int debug_fd = PerlIO_fileno(Perl_debug_log); | |
bf357333 NC |
439 | union control_un control; |
440 | struct msghdr msg; | |
808ad2d0 | 441 | struct iovec vec[2]; |
bf357333 | 442 | struct cmsghdr *cmptr; |
808ad2d0 NC |
443 | int returned_errno; |
444 | unsigned char buffer[256]; | |
41e4abd8 | 445 | |
bf357333 | 446 | if(sock == -1 || debug_fd == -1) |
41e4abd8 NC |
447 | return; |
448 | ||
449 | PerlIO_flush(Perl_debug_log); | |
450 | ||
bf357333 NC |
451 | /* All these shenanigans are to pass a file descriptor over to our child for |
452 | it to dump out to. We can't let it hold open the file descriptor when it | |
453 | forks, as the file descriptor it will dump to can turn out to be one end | |
454 | of pipe that some other process will wait on for EOF. (So as it would | |
b293a5f8 | 455 | be open, the wait would be forever.) */ |
bf357333 NC |
456 | |
457 | msg.msg_control = control.control; | |
458 | msg.msg_controllen = sizeof(control.control); | |
459 | /* We're a connected socket so we don't need a destination */ | |
460 | msg.msg_name = NULL; | |
461 | msg.msg_namelen = 0; | |
462 | msg.msg_iov = vec; | |
808ad2d0 | 463 | msg.msg_iovlen = 1; |
bf357333 NC |
464 | |
465 | cmptr = CMSG_FIRSTHDR(&msg); | |
466 | cmptr->cmsg_len = CMSG_LEN(sizeof(int)); | |
467 | cmptr->cmsg_level = SOL_SOCKET; | |
468 | cmptr->cmsg_type = SCM_RIGHTS; | |
469 | *((int *)CMSG_DATA(cmptr)) = 1; | |
470 | ||
471 | vec[0].iov_base = (void*)&sv; | |
472 | vec[0].iov_len = sizeof(sv); | |
473 | got = sendmsg(sock, &msg, 0); | |
41e4abd8 NC |
474 | |
475 | if(got < 0) { | |
bf357333 | 476 | perror("Debug leaking scalars parent sendmsg failed"); |
41e4abd8 NC |
477 | abort(); |
478 | } | |
bf357333 NC |
479 | if(got < sizeof(sv)) { |
480 | perror("Debug leaking scalars parent short sendmsg"); | |
41e4abd8 NC |
481 | abort(); |
482 | } | |
483 | ||
808ad2d0 NC |
484 | /* Return protocol is |
485 | int: errno value | |
486 | unsigned char: length of location string (0 for empty) | |
487 | unsigned char*: string (not terminated) | |
488 | */ | |
489 | vec[0].iov_base = (void*)&returned_errno; | |
490 | vec[0].iov_len = sizeof(returned_errno); | |
491 | vec[1].iov_base = buffer; | |
492 | vec[1].iov_len = 1; | |
493 | ||
494 | got = readv(sock, vec, 2); | |
41e4abd8 NC |
495 | |
496 | if(got < 0) { | |
497 | perror("Debug leaking scalars parent read failed"); | |
808ad2d0 | 498 | PerlIO_flush(PerlIO_stderr()); |
41e4abd8 NC |
499 | abort(); |
500 | } | |
808ad2d0 | 501 | if(got < sizeof(returned_errno) + 1) { |
41e4abd8 | 502 | perror("Debug leaking scalars parent short read"); |
808ad2d0 | 503 | PerlIO_flush(PerlIO_stderr()); |
41e4abd8 NC |
504 | abort(); |
505 | } | |
506 | ||
808ad2d0 NC |
507 | if (*buffer) { |
508 | got = read(sock, buffer + 1, *buffer); | |
509 | if(got < 0) { | |
510 | perror("Debug leaking scalars parent read 2 failed"); | |
511 | PerlIO_flush(PerlIO_stderr()); | |
512 | abort(); | |
513 | } | |
514 | ||
515 | if(got < *buffer) { | |
516 | perror("Debug leaking scalars parent short read 2"); | |
517 | PerlIO_flush(PerlIO_stderr()); | |
518 | abort(); | |
519 | } | |
520 | } | |
521 | ||
522 | if (returned_errno || *buffer) { | |
523 | Perl_warn(aTHX_ "Debug leaking scalars child failed%s%.*s with errno" | |
524 | " %d: %s", (*buffer ? " at " : ""), (int) *buffer, buffer + 1, | |
525 | returned_errno, strerror(returned_errno)); | |
41e4abd8 NC |
526 | } |
527 | } | |
528 | #endif | |
529 | ||
62375a60 | 530 | /* |
954c1994 GS |
531 | =for apidoc perl_destruct |
532 | ||
533 | Shuts down a Perl interpreter. See L<perlembed>. | |
534 | ||
535 | =cut | |
536 | */ | |
537 | ||
31d77e54 | 538 | int |
0cb96387 | 539 | perl_destruct(pTHXx) |
79072805 | 540 | { |
27da23d5 | 541 | dVAR; |
8ea43dc8 | 542 | VOL int destruct_level; /* 0=none, 1=full, 2=full with checks */ |
a0d0e21e | 543 | HV *hv; |
2aa47728 | 544 | #ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP |
2aa47728 NC |
545 | pid_t child; |
546 | #endif | |
8990e307 | 547 | |
ed6c66dd | 548 | PERL_UNUSED_ARG(my_perl); |
9d4ba2ae | 549 | |
7766f137 GS |
550 | /* wait for all pseudo-forked children to finish */ |
551 | PERL_WAIT_FOR_CHILDREN; | |
552 | ||
3280af22 | 553 | destruct_level = PL_perl_destruct_level; |
4633a7c4 LW |
554 | #ifdef DEBUGGING |
555 | { | |
9d4ba2ae AL |
556 | const char * const s = PerlEnv_getenv("PERL_DESTRUCT_LEVEL"); |
557 | if (s) { | |
e1ec3a88 | 558 | const int i = atoi(s); |
5f05dabc | 559 | if (destruct_level < i) |
560 | destruct_level = i; | |
561 | } | |
4633a7c4 LW |
562 | } |
563 | #endif | |
564 | ||
27da23d5 | 565 | if (PL_exit_flags & PERL_EXIT_DESTRUCT_END) { |
f3faeb53 AB |
566 | dJMPENV; |
567 | int x = 0; | |
568 | ||
569 | JMPENV_PUSH(x); | |
1b6737cc | 570 | PERL_UNUSED_VAR(x); |
f3faeb53 AB |
571 | if (PL_endav && !PL_minus_c) |
572 | call_list(PL_scopestack_ix, PL_endav); | |
573 | JMPENV_POP; | |
26f423df | 574 | } |
f3faeb53 | 575 | LEAVE; |
a0d0e21e LW |
576 | FREETMPS; |
577 | ||
e00b64d4 | 578 | /* Need to flush since END blocks can produce output */ |
f13a2bc0 | 579 | my_fflush_all(); |
e00b64d4 | 580 | |
62375a60 NIS |
581 | if (CALL_FPTR(PL_threadhook)(aTHX)) { |
582 | /* Threads hook has vetoed further cleanup */ | |
c301d606 | 583 | PL_veto_cleanup = TRUE; |
37038d91 | 584 | return STATUS_EXIT; |
62375a60 NIS |
585 | } |
586 | ||
2aa47728 NC |
587 | #ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP |
588 | if (destruct_level != 0) { | |
589 | /* Fork here to create a child. Our child's job is to preserve the | |
590 | state of scalars prior to destruction, so that we can instruct it | |
591 | to dump any scalars that we later find have leaked. | |
592 | There's no subtlety in this code - it assumes POSIX, and it doesn't | |
593 | fail gracefully */ | |
594 | int fd[2]; | |
595 | ||
596 | if(socketpair(AF_UNIX, SOCK_STREAM, 0, fd)) { | |
597 | perror("Debug leaking scalars socketpair failed"); | |
598 | abort(); | |
599 | } | |
600 | ||
601 | child = fork(); | |
602 | if(child == -1) { | |
603 | perror("Debug leaking scalars fork failed"); | |
604 | abort(); | |
605 | } | |
606 | if (!child) { | |
607 | /* We are the child */ | |
3125a5a4 NC |
608 | const int sock = fd[1]; |
609 | const int debug_fd = PerlIO_fileno(Perl_debug_log); | |
610 | int f; | |
808ad2d0 NC |
611 | const char *where; |
612 | /* Our success message is an integer 0, and a char 0 */ | |
613 | static const char success[sizeof(int) + 1]; | |
3125a5a4 | 614 | |
2aa47728 | 615 | close(fd[0]); |
2aa47728 | 616 | |
3125a5a4 NC |
617 | /* We need to close all other file descriptors otherwise we end up |
618 | with interesting hangs, where the parent closes its end of a | |
619 | pipe, and sits waiting for (another) child to terminate. Only | |
620 | that child never terminates, because it never gets EOF, because | |
bf357333 NC |
621 | we also have the far end of the pipe open. We even need to |
622 | close the debugging fd, because sometimes it happens to be one | |
623 | end of a pipe, and a process is waiting on the other end for | |
624 | EOF. Normally it would be closed at some point earlier in | |
625 | destruction, but if we happen to cause the pipe to remain open, | |
626 | EOF never occurs, and we get an infinite hang. Hence all the | |
627 | games to pass in a file descriptor if it's actually needed. */ | |
3125a5a4 NC |
628 | |
629 | f = sysconf(_SC_OPEN_MAX); | |
630 | if(f < 0) { | |
808ad2d0 NC |
631 | where = "sysconf failed"; |
632 | goto abort; | |
3125a5a4 NC |
633 | } |
634 | while (f--) { | |
635 | if (f == sock) | |
636 | continue; | |
3125a5a4 NC |
637 | close(f); |
638 | } | |
639 | ||
2aa47728 NC |
640 | while (1) { |
641 | SV *target; | |
bf357333 NC |
642 | union control_un control; |
643 | struct msghdr msg; | |
644 | struct iovec vec[1]; | |
645 | struct cmsghdr *cmptr; | |
646 | ssize_t got; | |
647 | int got_fd; | |
648 | ||
649 | msg.msg_control = control.control; | |
650 | msg.msg_controllen = sizeof(control.control); | |
651 | /* We're a connected socket so we don't need a source */ | |
652 | msg.msg_name = NULL; | |
653 | msg.msg_namelen = 0; | |
654 | msg.msg_iov = vec; | |
655 | msg.msg_iovlen = sizeof(vec)/sizeof(vec[0]); | |
656 | ||
657 | vec[0].iov_base = (void*)⌖ | |
658 | vec[0].iov_len = sizeof(target); | |
659 | ||
660 | got = recvmsg(sock, &msg, 0); | |
2aa47728 NC |
661 | |
662 | if(got == 0) | |
663 | break; | |
664 | if(got < 0) { | |
808ad2d0 NC |
665 | where = "recv failed"; |
666 | goto abort; | |
2aa47728 NC |
667 | } |
668 | if(got < sizeof(target)) { | |
808ad2d0 NC |
669 | where = "short recv"; |
670 | goto abort; | |
2aa47728 | 671 | } |
bf357333 | 672 | |
808ad2d0 NC |
673 | if(!(cmptr = CMSG_FIRSTHDR(&msg))) { |
674 | where = "no cmsg"; | |
675 | goto abort; | |
676 | } | |
677 | if(cmptr->cmsg_len != CMSG_LEN(sizeof(int))) { | |
678 | where = "wrong cmsg_len"; | |
679 | goto abort; | |
680 | } | |
681 | if(cmptr->cmsg_level != SOL_SOCKET) { | |
682 | where = "wrong cmsg_level"; | |
683 | goto abort; | |
684 | } | |
685 | if(cmptr->cmsg_type != SCM_RIGHTS) { | |
686 | where = "wrong cmsg_type"; | |
687 | goto abort; | |
688 | } | |
bf357333 NC |
689 | |
690 | got_fd = *(int*)CMSG_DATA(cmptr); | |
691 | /* For our last little bit of trickery, put the file descriptor | |
692 | back into Perl_debug_log, as if we never actually closed it | |
693 | */ | |
808ad2d0 NC |
694 | if(got_fd != debug_fd) { |
695 | if (dup2(got_fd, debug_fd) == -1) { | |
696 | where = "dup2"; | |
697 | goto abort; | |
698 | } | |
699 | } | |
2aa47728 | 700 | sv_dump(target); |
bf357333 | 701 | |
2aa47728 NC |
702 | PerlIO_flush(Perl_debug_log); |
703 | ||
808ad2d0 | 704 | got = write(sock, &success, sizeof(success)); |
2aa47728 NC |
705 | |
706 | if(got < 0) { | |
808ad2d0 NC |
707 | where = "write failed"; |
708 | goto abort; | |
2aa47728 | 709 | } |
808ad2d0 NC |
710 | if(got < sizeof(success)) { |
711 | where = "short write"; | |
712 | goto abort; | |
2aa47728 NC |
713 | } |
714 | } | |
715 | _exit(0); | |
808ad2d0 NC |
716 | abort: |
717 | { | |
718 | int send_errno = errno; | |
719 | unsigned char length = (unsigned char) strlen(where); | |
720 | struct iovec failure[3] = { | |
721 | {(void*)&send_errno, sizeof(send_errno)}, | |
722 | {&length, 1}, | |
723 | {(void*)where, length} | |
724 | }; | |
725 | int got = writev(sock, failure, 3); | |
726 | /* Bad news travels fast. Faster than data. We'll get a SIGPIPE | |
727 | in the parent if we try to read from the socketpair after the | |
728 | child has exited, even if there was data to read. | |
729 | So sleep a bit to give the parent a fighting chance of | |
730 | reading the data. */ | |
731 | sleep(2); | |
732 | _exit((got == -1) ? errno : 0); | |
733 | } | |
bf357333 | 734 | /* End of child. */ |
2aa47728 | 735 | } |
41e4abd8 | 736 | PL_dumper_fd = fd[0]; |
2aa47728 NC |
737 | close(fd[1]); |
738 | } | |
739 | #endif | |
740 | ||
ff0cee69 | 741 | /* We must account for everything. */ |
742 | ||
743 | /* Destroy the main CV and syntax tree */ | |
17fbfdf6 NC |
744 | /* Do this now, because destroying ops can cause new SVs to be generated |
745 | in Perl_pad_swipe, and when running with -DDEBUG_LEAKING_SCALARS they | |
746 | PL_curcop to point to a valid op from which the filename structure | |
747 | member is copied. */ | |
748 | PL_curcop = &PL_compiling; | |
3280af22 | 749 | if (PL_main_root) { |
4e380990 DM |
750 | /* ensure comppad/curpad to refer to main's pad */ |
751 | if (CvPADLIST(PL_main_cv)) { | |
752 | PAD_SET_CUR_NOSAVE(CvPADLIST(PL_main_cv), 1); | |
753 | } | |
3280af22 | 754 | op_free(PL_main_root); |
5f66b61c | 755 | PL_main_root = NULL; |
a0d0e21e | 756 | } |
5f66b61c | 757 | PL_main_start = NULL; |
3280af22 | 758 | SvREFCNT_dec(PL_main_cv); |
601f1833 | 759 | PL_main_cv = NULL; |
24d3c518 | 760 | PL_dirty = TRUE; |
ff0cee69 | 761 | |
13621cfb NIS |
762 | /* Tell PerlIO we are about to tear things apart in case |
763 | we have layers which are using resources that should | |
764 | be cleaned up now. | |
765 | */ | |
766 | ||
767 | PerlIO_destruct(aTHX); | |
768 | ||
3280af22 | 769 | if (PL_sv_objcount) { |
a0d0e21e LW |
770 | /* |
771 | * Try to destruct global references. We do this first so that the | |
772 | * destructors and destructees still exist. Some sv's might remain. | |
773 | * Non-referenced objects are on their own. | |
774 | */ | |
a0d0e21e | 775 | sv_clean_objs(); |
bf9cdc68 | 776 | PL_sv_objcount = 0; |
a0de6cf5 | 777 | if (PL_defoutgv && !SvREFCNT(PL_defoutgv)) |
a0714e2c | 778 | PL_defoutgv = NULL; /* may have been freed */ |
8990e307 LW |
779 | } |
780 | ||
5cd24f17 | 781 | /* unhook hooks which will soon be, or use, destroyed data */ |
3280af22 | 782 | SvREFCNT_dec(PL_warnhook); |
a0714e2c | 783 | PL_warnhook = NULL; |
3280af22 | 784 | SvREFCNT_dec(PL_diehook); |
a0714e2c | 785 | PL_diehook = NULL; |
5cd24f17 | 786 | |
4b556e6c | 787 | /* call exit list functions */ |
3280af22 | 788 | while (PL_exitlistlen-- > 0) |
acfe0abc | 789 | PL_exitlist[PL_exitlistlen].fn(aTHX_ PL_exitlist[PL_exitlistlen].ptr); |
4b556e6c | 790 | |
3280af22 | 791 | Safefree(PL_exitlist); |
4b556e6c | 792 | |
1c4916e5 CB |
793 | PL_exitlist = NULL; |
794 | PL_exitlistlen = 0; | |
795 | ||
551a8b83 | 796 | /* jettison our possibly duplicated environment */ |
4b647fb0 DM |
797 | /* if PERL_USE_SAFE_PUTENV is defined environ will not have been copied |
798 | * so we certainly shouldn't free it here | |
799 | */ | |
2f42fcb0 | 800 | #ifndef PERL_MICRO |
4b647fb0 | 801 | #if defined(USE_ENVIRON_ARRAY) && !defined(PERL_USE_SAFE_PUTENV) |
50acdf95 | 802 | if (environ != PL_origenviron && !PL_use_safe_putenv |
4efc5df6 GS |
803 | #ifdef USE_ITHREADS |
804 | /* only main thread can free environ[0] contents */ | |
805 | && PL_curinterp == aTHX | |
806 | #endif | |
807 | ) | |
808 | { | |
551a8b83 JH |
809 | I32 i; |
810 | ||
811 | for (i = 0; environ[i]; i++) | |
4b420006 | 812 | safesysfree(environ[i]); |
0631ea03 | 813 | |
4b420006 JH |
814 | /* Must use safesysfree() when working with environ. */ |
815 | safesysfree(environ); | |
551a8b83 JH |
816 | |
817 | environ = PL_origenviron; | |
818 | } | |
819 | #endif | |
2f42fcb0 | 820 | #endif /* !PERL_MICRO */ |
551a8b83 | 821 | |
30985c42 JH |
822 | if (destruct_level == 0) { |
823 | ||
824 | DEBUG_P(debprofdump()); | |
825 | ||
826 | #if defined(PERLIO_LAYERS) | |
827 | /* No more IO - including error messages ! */ | |
828 | PerlIO_cleanup(aTHX); | |
829 | #endif | |
830 | ||
831 | CopFILE_free(&PL_compiling); | |
832 | CopSTASH_free(&PL_compiling); | |
833 | ||
834 | /* The exit() function will do everything that needs doing. */ | |
835 | return STATUS_EXIT; | |
836 | } | |
837 | ||
804ffa60 | 838 | /* reset so print() ends up where we expect */ |
a0714e2c | 839 | setdefout(NULL); |
804ffa60 | 840 | |
5f8cb046 DM |
841 | #ifdef USE_ITHREADS |
842 | /* the syntax tree is shared between clones | |
843 | * so op_free(PL_main_root) only ReREFCNT_dec's | |
844 | * REGEXPs in the parent interpreter | |
845 | * we need to manually ReREFCNT_dec for the clones | |
846 | */ | |
847 | { | |
848 | I32 i = AvFILLp(PL_regex_padav) + 1; | |
c4420975 | 849 | SV * const * const ary = AvARRAY(PL_regex_padav); |
5f8cb046 DM |
850 | |
851 | while (i) { | |
c4420975 | 852 | SV * const resv = ary[--i]; |
35061a7e DM |
853 | |
854 | if (SvFLAGS(resv) & SVf_BREAK) { | |
577e12cc | 855 | /* this is PL_reg_curpm, already freed |
35061a7e DM |
856 | * flag is set in regexec.c:S_regtry |
857 | */ | |
858 | SvFLAGS(resv) &= ~SVf_BREAK; | |
3a1ee7e8 | 859 | } |
1cc8b4c5 AB |
860 | else if(SvREPADTMP(resv)) { |
861 | SvREPADTMP_off(resv); | |
862 | } | |
a560f29b NC |
863 | else if(SvIOKp(resv)) { |
864 | REGEXP *re = INT2PTR(REGEXP *,SvIVX(resv)); | |
5f8cb046 DM |
865 | ReREFCNT_dec(re); |
866 | } | |
867 | } | |
868 | } | |
869 | SvREFCNT_dec(PL_regex_padav); | |
7d49f689 | 870 | PL_regex_padav = NULL; |
5f8cb046 DM |
871 | PL_regex_pad = NULL; |
872 | #endif | |
873 | ||
081fc587 AB |
874 | SvREFCNT_dec((SV*) PL_stashcache); |
875 | PL_stashcache = NULL; | |
876 | ||
5f05dabc | 877 | /* loosen bonds of global variables */ |
878 | ||
3280af22 NIS |
879 | if(PL_rsfp) { |
880 | (void)PerlIO_close(PL_rsfp); | |
4608196e | 881 | PL_rsfp = NULL; |
8ebc5c01 | 882 | } |
883 | ||
884 | /* Filters for program text */ | |
3280af22 | 885 | SvREFCNT_dec(PL_rsfp_filters); |
7d49f689 | 886 | PL_rsfp_filters = NULL; |
8ebc5c01 | 887 | |
84386e14 RGS |
888 | if (PL_minus_F) { |
889 | Safefree(PL_splitstr); | |
890 | PL_splitstr = NULL; | |
891 | } | |
892 | ||
8ebc5c01 | 893 | /* switches */ |
3280af22 NIS |
894 | PL_preprocess = FALSE; |
895 | PL_minus_n = FALSE; | |
896 | PL_minus_p = FALSE; | |
897 | PL_minus_l = FALSE; | |
898 | PL_minus_a = FALSE; | |
899 | PL_minus_F = FALSE; | |
900 | PL_doswitches = FALSE; | |
599cee73 | 901 | PL_dowarn = G_WARN_OFF; |
3280af22 NIS |
902 | PL_doextract = FALSE; |
903 | PL_sawampersand = FALSE; /* must save all match strings */ | |
3280af22 NIS |
904 | PL_unsafe = FALSE; |
905 | ||
906 | Safefree(PL_inplace); | |
bd61b366 | 907 | PL_inplace = NULL; |
a7cb1f99 | 908 | SvREFCNT_dec(PL_patchlevel); |
3280af22 NIS |
909 | |
910 | if (PL_e_script) { | |
911 | SvREFCNT_dec(PL_e_script); | |
a0714e2c | 912 | PL_e_script = NULL; |
8ebc5c01 | 913 | } |
914 | ||
bf9cdc68 RG |
915 | PL_perldb = 0; |
916 | ||
8ebc5c01 | 917 | /* magical thingies */ |
918 | ||
7889fe52 | 919 | SvREFCNT_dec(PL_ofs_sv); /* $, */ |
a0714e2c | 920 | PL_ofs_sv = NULL; |
5f05dabc | 921 | |
7889fe52 | 922 | SvREFCNT_dec(PL_ors_sv); /* $\ */ |
a0714e2c | 923 | PL_ors_sv = NULL; |
8ebc5c01 | 924 | |
3280af22 | 925 | SvREFCNT_dec(PL_rs); /* $/ */ |
a0714e2c | 926 | PL_rs = NULL; |
dc92893f | 927 | |
d33b2eba | 928 | Safefree(PL_osname); /* $^O */ |
bd61b366 | 929 | PL_osname = NULL; |
5f05dabc | 930 | |
3280af22 | 931 | SvREFCNT_dec(PL_statname); |
a0714e2c SS |
932 | PL_statname = NULL; |
933 | PL_statgv = NULL; | |
5f05dabc | 934 | |
8ebc5c01 | 935 | /* defgv, aka *_ should be taken care of elsewhere */ |
936 | ||
8ebc5c01 | 937 | /* clean up after study() */ |
3280af22 | 938 | SvREFCNT_dec(PL_lastscream); |
a0714e2c | 939 | PL_lastscream = NULL; |
3280af22 NIS |
940 | Safefree(PL_screamfirst); |
941 | PL_screamfirst = 0; | |
942 | Safefree(PL_screamnext); | |
943 | PL_screamnext = 0; | |
8ebc5c01 | 944 | |
7d5ea4e7 GS |
945 | /* float buffer */ |
946 | Safefree(PL_efloatbuf); | |
bd61b366 | 947 | PL_efloatbuf = NULL; |
7d5ea4e7 GS |
948 | PL_efloatsize = 0; |
949 | ||
8ebc5c01 | 950 | /* startup and shutdown function lists */ |
3280af22 | 951 | SvREFCNT_dec(PL_beginav); |
5a837c8f | 952 | SvREFCNT_dec(PL_beginav_save); |
3280af22 | 953 | SvREFCNT_dec(PL_endav); |
7d30b5c4 | 954 | SvREFCNT_dec(PL_checkav); |
ece599bd | 955 | SvREFCNT_dec(PL_checkav_save); |
3c10abe3 AG |
956 | SvREFCNT_dec(PL_unitcheckav); |
957 | SvREFCNT_dec(PL_unitcheckav_save); | |
3280af22 | 958 | SvREFCNT_dec(PL_initav); |
7d49f689 NC |
959 | PL_beginav = NULL; |
960 | PL_beginav_save = NULL; | |
961 | PL_endav = NULL; | |
962 | PL_checkav = NULL; | |
963 | PL_checkav_save = NULL; | |
3c10abe3 AG |
964 | PL_unitcheckav = NULL; |
965 | PL_unitcheckav_save = NULL; | |
7d49f689 | 966 | PL_initav = NULL; |
5618dfe8 | 967 | |
8ebc5c01 | 968 | /* shortcuts just get cleared */ |
a0714e2c SS |
969 | PL_envgv = NULL; |
970 | PL_incgv = NULL; | |
971 | PL_hintgv = NULL; | |
972 | PL_errgv = NULL; | |
973 | PL_argvgv = NULL; | |
974 | PL_argvoutgv = NULL; | |
975 | PL_stdingv = NULL; | |
976 | PL_stderrgv = NULL; | |
977 | PL_last_in_gv = NULL; | |
978 | PL_replgv = NULL; | |
979 | PL_DBgv = NULL; | |
980 | PL_DBline = NULL; | |
981 | PL_DBsub = NULL; | |
982 | PL_DBsingle = NULL; | |
983 | PL_DBtrace = NULL; | |
984 | PL_DBsignal = NULL; | |
985 | PL_DBassertion = NULL; | |
601f1833 | 986 | PL_DBcv = NULL; |
7d49f689 | 987 | PL_dbargs = NULL; |
5c284bb0 | 988 | PL_debstash = NULL; |
8ebc5c01 | 989 | |
7a1c5554 | 990 | SvREFCNT_dec(PL_argvout_stack); |
7d49f689 | 991 | PL_argvout_stack = NULL; |
8ebc5c01 | 992 | |
5c831c24 | 993 | SvREFCNT_dec(PL_modglobal); |
5c284bb0 | 994 | PL_modglobal = NULL; |
5c831c24 | 995 | SvREFCNT_dec(PL_preambleav); |
7d49f689 | 996 | PL_preambleav = NULL; |
5c831c24 | 997 | SvREFCNT_dec(PL_subname); |
a0714e2c | 998 | PL_subname = NULL; |
5c831c24 | 999 | SvREFCNT_dec(PL_linestr); |
a0714e2c | 1000 | PL_linestr = NULL; |
ca0c25f6 | 1001 | #ifdef PERL_USES_PL_PIDSTATUS |
5c831c24 | 1002 | SvREFCNT_dec(PL_pidstatus); |
5c284bb0 | 1003 | PL_pidstatus = NULL; |
ca0c25f6 | 1004 | #endif |
5c831c24 | 1005 | SvREFCNT_dec(PL_toptarget); |
a0714e2c | 1006 | PL_toptarget = NULL; |
5c831c24 | 1007 | SvREFCNT_dec(PL_bodytarget); |
a0714e2c SS |
1008 | PL_bodytarget = NULL; |
1009 | PL_formtarget = NULL; | |
5c831c24 | 1010 | |
d33b2eba | 1011 | /* free locale stuff */ |
b9582b6a | 1012 | #ifdef USE_LOCALE_COLLATE |
d33b2eba | 1013 | Safefree(PL_collation_name); |
bd61b366 | 1014 | PL_collation_name = NULL; |
b9582b6a | 1015 | #endif |
d33b2eba | 1016 | |
b9582b6a | 1017 | #ifdef USE_LOCALE_NUMERIC |
d33b2eba | 1018 | Safefree(PL_numeric_name); |
bd61b366 | 1019 | PL_numeric_name = NULL; |
a453c169 | 1020 | SvREFCNT_dec(PL_numeric_radix_sv); |
a0714e2c | 1021 | PL_numeric_radix_sv = NULL; |
b9582b6a | 1022 | #endif |
d33b2eba | 1023 | |
5c831c24 GS |
1024 | /* clear utf8 character classes */ |
1025 | SvREFCNT_dec(PL_utf8_alnum); | |
1026 | SvREFCNT_dec(PL_utf8_alnumc); | |
1027 | SvREFCNT_dec(PL_utf8_ascii); | |
1028 | SvREFCNT_dec(PL_utf8_alpha); | |
1029 | SvREFCNT_dec(PL_utf8_space); | |
1030 | SvREFCNT_dec(PL_utf8_cntrl); | |
1031 | SvREFCNT_dec(PL_utf8_graph); | |
1032 | SvREFCNT_dec(PL_utf8_digit); | |
1033 | SvREFCNT_dec(PL_utf8_upper); | |
1034 | SvREFCNT_dec(PL_utf8_lower); | |
1035 | SvREFCNT_dec(PL_utf8_print); | |
1036 | SvREFCNT_dec(PL_utf8_punct); | |
1037 | SvREFCNT_dec(PL_utf8_xdigit); | |
1038 | SvREFCNT_dec(PL_utf8_mark); | |
1039 | SvREFCNT_dec(PL_utf8_toupper); | |
4dbdbdc2 | 1040 | SvREFCNT_dec(PL_utf8_totitle); |
5c831c24 | 1041 | SvREFCNT_dec(PL_utf8_tolower); |
b4e400f9 | 1042 | SvREFCNT_dec(PL_utf8_tofold); |
82686b01 JH |
1043 | SvREFCNT_dec(PL_utf8_idstart); |
1044 | SvREFCNT_dec(PL_utf8_idcont); | |
a0714e2c SS |
1045 | PL_utf8_alnum = NULL; |
1046 | PL_utf8_alnumc = NULL; | |
1047 | PL_utf8_ascii = NULL; | |
1048 | PL_utf8_alpha = NULL; | |
1049 | PL_utf8_space = NULL; | |
1050 | PL_utf8_cntrl = NULL; | |
1051 | PL_utf8_graph = NULL; | |
1052 | PL_utf8_digit = NULL; | |
1053 | PL_utf8_upper = NULL; | |
1054 | PL_utf8_lower = NULL; | |
1055 | PL_utf8_print = NULL; | |
1056 | PL_utf8_punct = NULL; | |
1057 | PL_utf8_xdigit = NULL; | |
1058 | PL_utf8_mark = NULL; | |
1059 | PL_utf8_toupper = NULL; | |
1060 | PL_utf8_totitle = NULL; | |
1061 | PL_utf8_tolower = NULL; | |
1062 | PL_utf8_tofold = NULL; | |
1063 | PL_utf8_idstart = NULL; | |
1064 | PL_utf8_idcont = NULL; | |
5c831c24 | 1065 | |
971a9dd3 | 1066 | if (!specialWARN(PL_compiling.cop_warnings)) |
72dc9ed5 | 1067 | PerlMemShared_free(PL_compiling.cop_warnings); |
a0714e2c | 1068 | PL_compiling.cop_warnings = NULL; |
c28fe1ec NC |
1069 | Perl_refcounted_he_free(aTHX_ PL_compiling.cop_hints_hash); |
1070 | PL_compiling.cop_hints_hash = NULL; | |
05ec9bb3 NIS |
1071 | CopFILE_free(&PL_compiling); |
1072 | CopSTASH_free(&PL_compiling); | |
5c831c24 | 1073 | |
a0d0e21e | 1074 | /* Prepare to destruct main symbol table. */ |
5f05dabc | 1075 | |
3280af22 NIS |
1076 | hv = PL_defstash; |
1077 | PL_defstash = 0; | |
a0d0e21e | 1078 | SvREFCNT_dec(hv); |
5c831c24 | 1079 | SvREFCNT_dec(PL_curstname); |
a0714e2c | 1080 | PL_curstname = NULL; |
a0d0e21e | 1081 | |
5a844595 GS |
1082 | /* clear queued errors */ |
1083 | SvREFCNT_dec(PL_errors); | |
a0714e2c | 1084 | PL_errors = NULL; |
5a844595 | 1085 | |
a0d0e21e | 1086 | FREETMPS; |
0453d815 | 1087 | if (destruct_level >= 2 && ckWARN_d(WARN_INTERNAL)) { |
3280af22 | 1088 | if (PL_scopestack_ix != 0) |
9014280d | 1089 | Perl_warner(aTHX_ packWARN(WARN_INTERNAL), |
0453d815 | 1090 | "Unbalanced scopes: %ld more ENTERs than LEAVEs\n", |
3280af22 NIS |
1091 | (long)PL_scopestack_ix); |
1092 | if (PL_savestack_ix != 0) | |
9014280d | 1093 | Perl_warner(aTHX_ packWARN(WARN_INTERNAL), |
0453d815 | 1094 | "Unbalanced saves: %ld more saves than restores\n", |
3280af22 NIS |
1095 | (long)PL_savestack_ix); |
1096 | if (PL_tmps_floor != -1) | |
9014280d | 1097 | Perl_warner(aTHX_ packWARN(WARN_INTERNAL),"Unbalanced tmps: %ld more allocs than frees\n", |
3280af22 | 1098 | (long)PL_tmps_floor + 1); |
a0d0e21e | 1099 | if (cxstack_ix != -1) |
9014280d | 1100 | Perl_warner(aTHX_ packWARN(WARN_INTERNAL),"Unbalanced context: %ld more PUSHes than POPs\n", |
ff0cee69 | 1101 | (long)cxstack_ix + 1); |
a0d0e21e | 1102 | } |
8990e307 LW |
1103 | |
1104 | /* Now absolutely destruct everything, somehow or other, loops or no. */ | |
d33b2eba | 1105 | SvFLAGS(PL_fdpid) |= SVTYPEMASK; /* don't clean out pid table now */ |
3280af22 | 1106 | SvFLAGS(PL_strtab) |= SVTYPEMASK; /* don't clean out strtab now */ |
5226ed68 JH |
1107 | |
1108 | /* the 2 is for PL_fdpid and PL_strtab */ | |
1109 | while (PL_sv_count > 2 && sv_clean_all()) | |
1110 | ; | |
1111 | ||
d33b2eba GS |
1112 | SvFLAGS(PL_fdpid) &= ~SVTYPEMASK; |
1113 | SvFLAGS(PL_fdpid) |= SVt_PVAV; | |
3280af22 NIS |
1114 | SvFLAGS(PL_strtab) &= ~SVTYPEMASK; |
1115 | SvFLAGS(PL_strtab) |= SVt_PVHV; | |
d33b2eba | 1116 | |
d4777f27 GS |
1117 | AvREAL_off(PL_fdpid); /* no surviving entries */ |
1118 | SvREFCNT_dec(PL_fdpid); /* needed in io_close() */ | |
7d49f689 | 1119 | PL_fdpid = NULL; |
d33b2eba | 1120 | |
6c644e78 GS |
1121 | #ifdef HAVE_INTERP_INTERN |
1122 | sys_intern_clear(); | |
1123 | #endif | |
1124 | ||
6e72f9df | 1125 | /* Destruct the global string table. */ |
1126 | { | |
1127 | /* Yell and reset the HeVAL() slots that are still holding refcounts, | |
1128 | * so that sv_free() won't fail on them. | |
80459961 NC |
1129 | * Now that the global string table is using a single hunk of memory |
1130 | * for both HE and HEK, we either need to explicitly unshare it the | |
1131 | * correct way, or actually free things here. | |
6e72f9df | 1132 | */ |
80459961 NC |
1133 | I32 riter = 0; |
1134 | const I32 max = HvMAX(PL_strtab); | |
c4420975 | 1135 | HE * const * const array = HvARRAY(PL_strtab); |
80459961 NC |
1136 | HE *hent = array[0]; |
1137 | ||
6e72f9df | 1138 | for (;;) { |
0453d815 | 1139 | if (hent && ckWARN_d(WARN_INTERNAL)) { |
44f8325f | 1140 | HE * const next = HeNEXT(hent); |
9014280d | 1141 | Perl_warner(aTHX_ packWARN(WARN_INTERNAL), |
44f8325f | 1142 | "Unbalanced string table refcount: (%ld) for \"%s\"", |
de616631 | 1143 | (long)hent->he_valu.hent_refcount, HeKEY(hent)); |
80459961 NC |
1144 | Safefree(hent); |
1145 | hent = next; | |
6e72f9df | 1146 | } |
1147 | if (!hent) { | |
1148 | if (++riter > max) | |
1149 | break; | |
1150 | hent = array[riter]; | |
1151 | } | |
1152 | } | |
80459961 NC |
1153 | |
1154 | Safefree(array); | |
1155 | HvARRAY(PL_strtab) = 0; | |
1156 | HvTOTALKEYS(PL_strtab) = 0; | |
1157 | HvFILL(PL_strtab) = 0; | |
6e72f9df | 1158 | } |
3280af22 | 1159 | SvREFCNT_dec(PL_strtab); |
6e72f9df | 1160 | |
e652bb2f | 1161 | #ifdef USE_ITHREADS |
c21d1a0f | 1162 | /* free the pointer tables used for cloning */ |
a0739874 | 1163 | ptr_table_free(PL_ptr_table); |
bf9cdc68 | 1164 | PL_ptr_table = (PTR_TBL_t*)NULL; |
53186e96 | 1165 | #endif |
a0739874 | 1166 | |
d33b2eba GS |
1167 | /* free special SVs */ |
1168 | ||
1169 | SvREFCNT(&PL_sv_yes) = 0; | |
1170 | sv_clear(&PL_sv_yes); | |
1171 | SvANY(&PL_sv_yes) = NULL; | |
4c5e2b0d | 1172 | SvFLAGS(&PL_sv_yes) = 0; |
d33b2eba GS |
1173 | |
1174 | SvREFCNT(&PL_sv_no) = 0; | |
1175 | sv_clear(&PL_sv_no); | |
1176 | SvANY(&PL_sv_no) = NULL; | |
4c5e2b0d | 1177 | SvFLAGS(&PL_sv_no) = 0; |
01724ea0 | 1178 | |
9f375a43 DM |
1179 | { |
1180 | int i; | |
1181 | for (i=0; i<=2; i++) { | |
1182 | SvREFCNT(PERL_DEBUG_PAD(i)) = 0; | |
1183 | sv_clear(PERL_DEBUG_PAD(i)); | |
1184 | SvANY(PERL_DEBUG_PAD(i)) = NULL; | |
1185 | SvFLAGS(PERL_DEBUG_PAD(i)) = 0; | |
1186 | } | |
1187 | } | |
1188 | ||
0453d815 | 1189 | if (PL_sv_count != 0 && ckWARN_d(WARN_INTERNAL)) |
9014280d | 1190 | Perl_warner(aTHX_ packWARN(WARN_INTERNAL),"Scalars leaked: %ld\n", (long)PL_sv_count); |
6e72f9df | 1191 | |
eba0f806 DM |
1192 | #ifdef DEBUG_LEAKING_SCALARS |
1193 | if (PL_sv_count != 0) { | |
1194 | SV* sva; | |
1195 | SV* sv; | |
1196 | register SV* svend; | |
1197 | ||
1198 | for (sva = PL_sv_arenaroot; sva; sva = (SV*)SvANY(sva)) { | |
1199 | svend = &sva[SvREFCNT(sva)]; | |
1200 | for (sv = sva + 1; sv < svend; ++sv) { | |
1201 | if (SvTYPE(sv) != SVTYPEMASK) { | |
a548cda8 | 1202 | PerlIO_printf(Perl_debug_log, "leaked: sv=0x%p" |
61b61456 | 1203 | " flags=0x%"UVxf |
fd0854ff DM |
1204 | " refcnt=%"UVuf pTHX__FORMAT "\n" |
1205 | "\tallocated at %s:%d %s %s%s\n", | |
6c9570dc | 1206 | (void*)sv, sv->sv_flags, sv->sv_refcnt pTHX__VALUE, |
fd0854ff DM |
1207 | sv->sv_debug_file ? sv->sv_debug_file : "(unknown)", |
1208 | sv->sv_debug_line, | |
1209 | sv->sv_debug_inpad ? "for" : "by", | |
1210 | sv->sv_debug_optype ? | |
1211 | PL_op_name[sv->sv_debug_optype]: "(none)", | |
1212 | sv->sv_debug_cloned ? " (cloned)" : "" | |
1213 | ); | |
2aa47728 | 1214 | #ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP |
41e4abd8 | 1215 | Perl_dump_sv_child(aTHX_ sv); |
2aa47728 | 1216 | #endif |
eba0f806 DM |
1217 | } |
1218 | } | |
1219 | } | |
1220 | } | |
2aa47728 NC |
1221 | #ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP |
1222 | { | |
1223 | int status; | |
1224 | fd_set rset; | |
1225 | /* Wait for up to 4 seconds for child to terminate. | |
1226 | This seems to be the least effort way of timing out on reaping | |
1227 | its exit status. */ | |
1228 | struct timeval waitfor = {4, 0}; | |
41e4abd8 | 1229 | int sock = PL_dumper_fd; |
2aa47728 NC |
1230 | |
1231 | shutdown(sock, 1); | |
1232 | FD_ZERO(&rset); | |
1233 | FD_SET(sock, &rset); | |
1234 | select(sock + 1, &rset, NULL, NULL, &waitfor); | |
1235 | waitpid(child, &status, WNOHANG); | |
1236 | close(sock); | |
1237 | } | |
1238 | #endif | |
eba0f806 | 1239 | #endif |
bf9cdc68 | 1240 | PL_sv_count = 0; |
eba0f806 DM |
1241 | |
1242 | ||
56a2bab7 | 1243 | #if defined(PERLIO_LAYERS) |
3a1ee7e8 NIS |
1244 | /* No more IO - including error messages ! */ |
1245 | PerlIO_cleanup(aTHX); | |
1246 | #endif | |
1247 | ||
9f4bd222 | 1248 | /* sv_undef needs to stay immortal until after PerlIO_cleanup |
a0714e2c | 1249 | as currently layers use it rather than NULL as a marker |
9f4bd222 NIS |
1250 | for no arg - and will try and SvREFCNT_dec it. |
1251 | */ | |
1252 | SvREFCNT(&PL_sv_undef) = 0; | |
1253 | SvREADONLY_off(&PL_sv_undef); | |
1254 | ||
3280af22 | 1255 | Safefree(PL_origfilename); |
bd61b366 | 1256 | PL_origfilename = NULL; |
3280af22 | 1257 | Safefree(PL_reg_start_tmp); |
bf9cdc68 RG |
1258 | PL_reg_start_tmp = (char**)NULL; |
1259 | PL_reg_start_tmpl = 0; | |
43c5f42d | 1260 | Safefree(PL_reg_curpm); |
82ba1be6 | 1261 | Safefree(PL_reg_poscache); |
dd28f7bb | 1262 | free_tied_hv_pool(); |
3280af22 | 1263 | Safefree(PL_op_mask); |
cf36064f | 1264 | Safefree(PL_psig_ptr); |
bf9cdc68 | 1265 | PL_psig_ptr = (SV**)NULL; |
cf36064f | 1266 | Safefree(PL_psig_name); |
bf9cdc68 | 1267 | PL_psig_name = (SV**)NULL; |
2c2666fc | 1268 | Safefree(PL_bitcount); |
bd61b366 | 1269 | PL_bitcount = NULL; |
ce08f86c | 1270 | Safefree(PL_psig_pend); |
bf9cdc68 | 1271 | PL_psig_pend = (int*)NULL; |
a0714e2c | 1272 | PL_formfeed = NULL; |
6e72f9df | 1273 | nuke_stacks(); |
bf9cdc68 RG |
1274 | PL_tainting = FALSE; |
1275 | PL_taint_warn = FALSE; | |
3280af22 | 1276 | PL_hints = 0; /* Reset hints. Should hints be per-interpreter ? */ |
bf9cdc68 | 1277 | PL_debug = 0; |
ac27b0f5 | 1278 | |
a0d0e21e | 1279 | DEBUG_P(debprofdump()); |
d33b2eba | 1280 | |
e5dd39fc | 1281 | #ifdef USE_REENTRANT_API |
10bc17b6 | 1282 | Perl_reentrant_free(aTHX); |
e5dd39fc AB |
1283 | #endif |
1284 | ||
612f20c3 GS |
1285 | sv_free_arenas(); |
1286 | ||
5d9a96ca DM |
1287 | while (PL_regmatch_slab) { |
1288 | regmatch_slab *s = PL_regmatch_slab; | |
1289 | PL_regmatch_slab = PL_regmatch_slab->next; | |
1290 | Safefree(s); | |
1291 | } | |
1292 | ||
fc36a67e | 1293 | /* As the absolutely last thing, free the non-arena SV for mess() */ |
1294 | ||
3280af22 | 1295 | if (PL_mess_sv) { |
f350b448 NC |
1296 | /* we know that type == SVt_PVMG */ |
1297 | ||
9c63abab | 1298 | /* it could have accumulated taint magic */ |
f350b448 NC |
1299 | MAGIC* mg; |
1300 | MAGIC* moremagic; | |
1301 | for (mg = SvMAGIC(PL_mess_sv); mg; mg = moremagic) { | |
1302 | moremagic = mg->mg_moremagic; | |
1303 | if (mg->mg_ptr && mg->mg_type != PERL_MAGIC_regex_global | |
1304 | && mg->mg_len >= 0) | |
1305 | Safefree(mg->mg_ptr); | |
1306 | Safefree(mg); | |
9c63abab | 1307 | } |
f350b448 | 1308 | |
fc36a67e | 1309 | /* we know that type >= SVt_PV */ |
8bd4d4c5 | 1310 | SvPV_free(PL_mess_sv); |
3280af22 NIS |
1311 | Safefree(SvANY(PL_mess_sv)); |
1312 | Safefree(PL_mess_sv); | |
a0714e2c | 1313 | PL_mess_sv = NULL; |
fc36a67e | 1314 | } |
37038d91 | 1315 | return STATUS_EXIT; |
79072805 LW |
1316 | } |
1317 | ||
954c1994 GS |
1318 | /* |
1319 | =for apidoc perl_free | |
1320 | ||
1321 | Releases a Perl interpreter. See L<perlembed>. | |
1322 | ||
1323 | =cut | |
1324 | */ | |
1325 | ||
79072805 | 1326 | void |
0cb96387 | 1327 | perl_free(pTHXx) |
79072805 | 1328 | { |
5174512c NC |
1329 | dVAR; |
1330 | ||
c301d606 DM |
1331 | if (PL_veto_cleanup) |
1332 | return; | |
1333 | ||
7cb608b5 | 1334 | #ifdef PERL_TRACK_MEMPOOL |
55ef9aae MHM |
1335 | { |
1336 | /* | |
1337 | * Don't free thread memory if PERL_DESTRUCT_LEVEL is set to a non-zero | |
1338 | * value as we're probably hunting memory leaks then | |
1339 | */ | |
1340 | const char * const s = PerlEnv_getenv("PERL_DESTRUCT_LEVEL"); | |
1341 | if (!s || atoi(s) == 0) { | |
1342 | /* Emulate the PerlHost behaviour of free()ing all memory allocated in this | |
1343 | thread at thread exit. */ | |
1344 | while(aTHXx->Imemory_debug_header.next != &(aTHXx->Imemory_debug_header)) | |
1345 | safesysfree(sTHX + (char *)(aTHXx->Imemory_debug_header.next)); | |
1346 | } | |
1347 | } | |
7cb608b5 NC |
1348 | #endif |
1349 | ||
acfe0abc | 1350 | #if defined(WIN32) || defined(NETWARE) |
ce3e5b80 | 1351 | # if defined(PERL_IMPLICIT_SYS) |
b36c9a52 | 1352 | { |
acfe0abc | 1353 | # ifdef NETWARE |
7af12a34 | 1354 | void *host = nw_internal_host; |
acfe0abc | 1355 | # else |
7af12a34 | 1356 | void *host = w32_internal_host; |
acfe0abc | 1357 | # endif |
7af12a34 | 1358 | PerlMem_free(aTHXx); |
acfe0abc | 1359 | # ifdef NETWARE |
7af12a34 | 1360 | nw_delete_internal_host(host); |
acfe0abc | 1361 | # else |
7af12a34 | 1362 | win32_delete_internal_host(host); |
acfe0abc | 1363 | # endif |
7af12a34 | 1364 | } |
1c0ca838 GS |
1365 | # else |
1366 | PerlMem_free(aTHXx); | |
1367 | # endif | |
acfe0abc GS |
1368 | #else |
1369 | PerlMem_free(aTHXx); | |
76e3520e | 1370 | #endif |
79072805 LW |
1371 | } |
1372 | ||
b7f7fff6 | 1373 | #if defined(USE_ITHREADS) |
aebd1ac7 GA |
1374 | /* provide destructors to clean up the thread key when libperl is unloaded */ |
1375 | #ifndef WIN32 /* handled during DLL_PROCESS_DETACH in win32/perllib.c */ | |
1376 | ||
826955bd | 1377 | #if defined(__hpux) && !(defined(__ux_version) && __ux_version <= 1020) && !defined(__GNUC__) |
aebd1ac7 | 1378 | #pragma fini "perl_fini" |
666ad1ec GA |
1379 | #elif defined(__sun) && !defined(__GNUC__) |
1380 | #pragma fini (perl_fini) | |
aebd1ac7 GA |
1381 | #endif |
1382 | ||
0dbb1585 AL |
1383 | static void |
1384 | #if defined(__GNUC__) | |
1385 | __attribute__((destructor)) | |
aebd1ac7 | 1386 | #endif |
de009b76 | 1387 | perl_fini(void) |
aebd1ac7 | 1388 | { |
27da23d5 | 1389 | dVAR; |
c301d606 | 1390 | if (PL_curinterp && !PL_veto_cleanup) |
aebd1ac7 GA |
1391 | FREE_THREAD_KEY; |
1392 | } | |
1393 | ||
1394 | #endif /* WIN32 */ | |
1395 | #endif /* THREADS */ | |
1396 | ||
4b556e6c | 1397 | void |
864dbfa3 | 1398 | Perl_call_atexit(pTHX_ ATEXIT_t fn, void *ptr) |
4b556e6c | 1399 | { |
97aff369 | 1400 | dVAR; |
3280af22 NIS |
1401 | Renew(PL_exitlist, PL_exitlistlen+1, PerlExitListEntry); |
1402 | PL_exitlist[PL_exitlistlen].fn = fn; | |
1403 | PL_exitlist[PL_exitlistlen].ptr = ptr; | |
1404 | ++PL_exitlistlen; | |
4b556e6c JD |
1405 | } |
1406 | ||
56cf6df8 RGS |
1407 | #ifdef HAS_PROCSELFEXE |
1408 | /* This is a function so that we don't hold on to MAXPATHLEN | |
1409 | bytes of stack longer than necessary | |
1410 | */ | |
1411 | STATIC void | |
e1ec3a88 | 1412 | S_procself_val(pTHX_ SV *sv, const char *arg0) |
56cf6df8 RGS |
1413 | { |
1414 | char buf[MAXPATHLEN]; | |
1415 | int len = readlink(PROCSELFEXE_PATH, buf, sizeof(buf) - 1); | |
1416 | ||
1417 | /* On Playstation2 Linux V1.0 (kernel 2.2.1) readlink(/proc/self/exe) | |
1418 | includes a spurious NUL which will cause $^X to fail in system | |
1419 | or backticks (this will prevent extensions from being built and | |
1420 | many tests from working). readlink is not meant to add a NUL. | |
1421 | Normal readlink works fine. | |
1422 | */ | |
1423 | if (len > 0 && buf[len-1] == '\0') { | |
1424 | len--; | |
1425 | } | |
1426 | ||
1427 | /* FreeBSD's implementation is acknowledged to be imperfect, sometimes | |
1428 | returning the text "unknown" from the readlink rather than the path | |
1429 | to the executable (or returning an error from the readlink). Any valid | |
1430 | path has a '/' in it somewhere, so use that to validate the result. | |
1431 | See http://www.freebsd.org/cgi/query-pr.cgi?pr=35703 | |
1432 | */ | |
1433 | if (len > 0 && memchr(buf, '/', len)) { | |
1434 | sv_setpvn(sv,buf,len); | |
1435 | } | |
1436 | else { | |
1437 | sv_setpv(sv,arg0); | |
1438 | } | |
1439 | } | |
1440 | #endif /* HAS_PROCSELFEXE */ | |
b7975bdd NC |
1441 | |
1442 | STATIC void | |
1443 | S_set_caret_X(pTHX) { | |
97aff369 | 1444 | dVAR; |
fafc274c | 1445 | GV* tmpgv = gv_fetchpvs("\030", GV_ADD|GV_NOTQUAL, SVt_PV); /* $^X */ |
b7975bdd NC |
1446 | if (tmpgv) { |
1447 | #ifdef HAS_PROCSELFEXE | |
1448 | S_procself_val(aTHX_ GvSV(tmpgv), PL_origargv[0]); | |
1449 | #else | |
1450 | #ifdef OS2 | |
c69033f2 | 1451 | sv_setpv(GvSVn(tmpgv), os2_execname(aTHX)); |
b7975bdd | 1452 | #else |
c69033f2 | 1453 | sv_setpv(GvSVn(tmpgv),PL_origargv[0]); |
b7975bdd NC |
1454 | #endif |
1455 | #endif | |
1456 | } | |
1457 | } | |
1458 | ||
954c1994 GS |
1459 | /* |
1460 | =for apidoc perl_parse | |
1461 | ||
1462 | Tells a Perl interpreter to parse a Perl script. See L<perlembed>. | |
1463 | ||
1464 | =cut | |
1465 | */ | |
1466 | ||
79072805 | 1467 | int |
0cb96387 | 1468 | perl_parse(pTHXx_ XSINIT_t xsinit, int argc, char **argv, char **env) |
8d063cd8 | 1469 | { |
27da23d5 | 1470 | dVAR; |
6224f72b | 1471 | I32 oldscope; |
6224f72b | 1472 | int ret; |
db36c5a1 | 1473 | dJMPENV; |
8d063cd8 | 1474 | |
ed6c66dd | 1475 | PERL_UNUSED_ARG(my_perl); |
9d4ba2ae | 1476 | |
a687059c LW |
1477 | #ifdef SETUID_SCRIPTS_ARE_SECURE_NOW |
1478 | #ifdef IAMSUID | |
1479 | #undef IAMSUID | |
cea2e8a9 | 1480 | Perl_croak(aTHX_ "suidperl is no longer needed since the kernel can now execute\n\ |
a687059c | 1481 | setuid perl scripts securely.\n"); |
ae3f3efd | 1482 | #endif /* IAMSUID */ |
a687059c LW |
1483 | #endif |
1484 | ||
b0891165 JH |
1485 | #if defined(USE_HASH_SEED) || defined(USE_HASH_SEED_EXPLICIT) |
1486 | /* [perl #22371] Algorimic Complexity Attack on Perl 5.6.1, 5.8.0 | |
103dd899 | 1487 | * This MUST be done before any hash stores or fetches take place. |
008fb0c0 NC |
1488 | * If you set PL_rehash_seed (and assumedly also PL_rehash_seed_set) |
1489 | * yourself, it is your responsibility to provide a good random seed! | |
830b38bd | 1490 | * You can also define PERL_HASH_SEED in compile time, see hv.h. */ |
008fb0c0 NC |
1491 | if (!PL_rehash_seed_set) |
1492 | PL_rehash_seed = get_hash_seed(); | |
b0891165 | 1493 | { |
9d4ba2ae | 1494 | const char * const s = PerlEnv_getenv("PERL_HASH_SEED_DEBUG"); |
bed60192 | 1495 | |
1b6737cc AL |
1496 | if (s && (atoi(s) == 1)) |
1497 | PerlIO_printf(Perl_debug_log, "HASH_SEED = %"UVuf"\n", PL_rehash_seed); | |
b0891165 JH |
1498 | } |
1499 | #endif /* #if defined(USE_HASH_SEED) || defined(USE_HASH_SEED_EXPLICIT) */ | |
1500 | ||
3280af22 | 1501 | PL_origargc = argc; |
e2975953 | 1502 | PL_origargv = argv; |
a0d0e21e | 1503 | |
a2722ac9 GA |
1504 | if (PL_origalen != 0) { |
1505 | PL_origalen = 1; /* don't use old PL_origalen if perl_parse() is called again */ | |
1506 | } | |
1507 | else { | |
3cb9023d JH |
1508 | /* Set PL_origalen be the sum of the contiguous argv[] |
1509 | * elements plus the size of the env in case that it is | |
e9137a8e | 1510 | * contiguous with the argv[]. This is used in mg.c:Perl_magic_set() |
3cb9023d JH |
1511 | * as the maximum modifiable length of $0. In the worst case |
1512 | * the area we are able to modify is limited to the size of | |
43c32782 | 1513 | * the original argv[0]. (See below for 'contiguous', though.) |
3cb9023d | 1514 | * --jhi */ |
e1ec3a88 | 1515 | const char *s = NULL; |
54bfe034 | 1516 | int i; |
1b6737cc | 1517 | const UV mask = |
7d8e7db3 | 1518 | ~(UV)(PTRSIZE == 4 ? 3 : PTRSIZE == 8 ? 7 : PTRSIZE == 16 ? 15 : 0); |
43c32782 | 1519 | /* Do the mask check only if the args seem like aligned. */ |
1b6737cc | 1520 | const UV aligned = |
43c32782 JH |
1521 | (mask < ~(UV)0) && ((PTR2UV(argv[0]) & mask) == PTR2UV(argv[0])); |
1522 | ||
1523 | /* See if all the arguments are contiguous in memory. Note | |
1524 | * that 'contiguous' is a loose term because some platforms | |
1525 | * align the argv[] and the envp[]. If the arguments look | |
1526 | * like non-aligned, assume that they are 'strictly' or | |
1527 | * 'traditionally' contiguous. If the arguments look like | |
1528 | * aligned, we just check that they are within aligned | |
1529 | * PTRSIZE bytes. As long as no system has something bizarre | |
1530 | * like the argv[] interleaved with some other data, we are | |
1531 | * fine. (Did I just evoke Murphy's Law?) --jhi */ | |
c8941eeb JH |
1532 | if (PL_origargv && PL_origargc >= 1 && (s = PL_origargv[0])) { |
1533 | while (*s) s++; | |
1534 | for (i = 1; i < PL_origargc; i++) { | |
1535 | if ((PL_origargv[i] == s + 1 | |
43c32782 | 1536 | #ifdef OS2 |
c8941eeb | 1537 | || PL_origargv[i] == s + 2 |
43c32782 | 1538 | #endif |
c8941eeb JH |
1539 | ) |
1540 | || | |
1541 | (aligned && | |
1542 | (PL_origargv[i] > s && | |
1543 | PL_origargv[i] <= | |
1544 | INT2PTR(char *, PTR2UV(s + PTRSIZE) & mask))) | |
1545 | ) | |
1546 | { | |
1547 | s = PL_origargv[i]; | |
1548 | while (*s) s++; | |
1549 | } | |
1550 | else | |
1551 | break; | |
54bfe034 | 1552 | } |
54bfe034 | 1553 | } |
3cb9023d | 1554 | /* Can we grab env area too to be used as the area for $0? */ |
2d2af554 | 1555 | if (s && PL_origenviron) { |
9d419b5f | 1556 | if ((PL_origenviron[0] == s + 1) |
43c32782 JH |
1557 | || |
1558 | (aligned && | |
1559 | (PL_origenviron[0] > s && | |
1560 | PL_origenviron[0] <= | |
1561 | INT2PTR(char *, PTR2UV(s + PTRSIZE) & mask))) | |
1562 | ) | |
1563 | { | |
9d419b5f | 1564 | #ifndef OS2 /* ENVIRON is read by the kernel too. */ |
43c32782 JH |
1565 | s = PL_origenviron[0]; |
1566 | while (*s) s++; | |
1567 | #endif | |
bd61b366 | 1568 | my_setenv("NoNe SuCh", NULL); |
43c32782 JH |
1569 | /* Force copy of environment. */ |
1570 | for (i = 1; PL_origenviron[i]; i++) { | |
1571 | if (PL_origenviron[i] == s + 1 | |
1572 | || | |
1573 | (aligned && | |
1574 | (PL_origenviron[i] > s && | |
1575 | PL_origenviron[i] <= | |
1576 | INT2PTR(char *, PTR2UV(s + PTRSIZE) & mask))) | |
1577 | ) | |
1578 | { | |
1579 | s = PL_origenviron[i]; | |
1580 | while (*s) s++; | |
1581 | } | |
1582 | else | |
1583 | break; | |
54bfe034 | 1584 | } |
43c32782 | 1585 | } |
54bfe034 | 1586 | } |
2d2af554 | 1587 | PL_origalen = s ? s - PL_origargv[0] + 1 : 0; |
54bfe034 JH |
1588 | } |
1589 | ||
3280af22 | 1590 | if (PL_do_undump) { |
a0d0e21e LW |
1591 | |
1592 | /* Come here if running an undumped a.out. */ | |
1593 | ||
3280af22 NIS |
1594 | PL_origfilename = savepv(argv[0]); |
1595 | PL_do_undump = FALSE; | |
a0d0e21e | 1596 | cxstack_ix = -1; /* start label stack again */ |
748a9306 | 1597 | init_ids(); |
b7975bdd NC |
1598 | assert (!PL_tainted); |
1599 | TAINT; | |
1600 | S_set_caret_X(aTHX); | |
1601 | TAINT_NOT; | |
a0d0e21e LW |
1602 | init_postdump_symbols(argc,argv,env); |
1603 | return 0; | |
1604 | } | |
1605 | ||
3280af22 | 1606 | if (PL_main_root) { |
3280af22 | 1607 | op_free(PL_main_root); |
5f66b61c | 1608 | PL_main_root = NULL; |
ff0cee69 | 1609 | } |
5f66b61c | 1610 | PL_main_start = NULL; |
3280af22 | 1611 | SvREFCNT_dec(PL_main_cv); |
601f1833 | 1612 | PL_main_cv = NULL; |
79072805 | 1613 | |
3280af22 NIS |
1614 | time(&PL_basetime); |
1615 | oldscope = PL_scopestack_ix; | |
599cee73 | 1616 | PL_dowarn = G_WARN_OFF; |
f86702cc | 1617 | |
14dd3ad8 | 1618 | JMPENV_PUSH(ret); |
6224f72b | 1619 | switch (ret) { |
312caa8e | 1620 | case 0: |
14dd3ad8 | 1621 | parse_body(env,xsinit); |
3c10abe3 AG |
1622 | if (PL_unitcheckav) |
1623 | call_list(oldscope, PL_unitcheckav); | |
7d30b5c4 GS |
1624 | if (PL_checkav) |
1625 | call_list(oldscope, PL_checkav); | |
14dd3ad8 GS |
1626 | ret = 0; |
1627 | break; | |
6224f72b GS |
1628 | case 1: |
1629 | STATUS_ALL_FAILURE; | |
1630 | /* FALL THROUGH */ | |
1631 | case 2: | |
1632 | /* my_exit() was called */ | |
3280af22 | 1633 | while (PL_scopestack_ix > oldscope) |
6224f72b GS |
1634 | LEAVE; |
1635 | FREETMPS; | |
3280af22 | 1636 | PL_curstash = PL_defstash; |
3c10abe3 AG |
1637 | if (PL_unitcheckav) |
1638 | call_list(oldscope, PL_unitcheckav); | |
7d30b5c4 GS |
1639 | if (PL_checkav) |
1640 | call_list(oldscope, PL_checkav); | |
37038d91 | 1641 | ret = STATUS_EXIT; |
14dd3ad8 | 1642 | break; |
6224f72b | 1643 | case 3: |
bf49b057 | 1644 | PerlIO_printf(Perl_error_log, "panic: top_env\n"); |
14dd3ad8 GS |
1645 | ret = 1; |
1646 | break; | |
6224f72b | 1647 | } |
14dd3ad8 GS |
1648 | JMPENV_POP; |
1649 | return ret; | |
1650 | } | |
1651 | ||
312caa8e | 1652 | STATIC void * |
14dd3ad8 | 1653 | S_parse_body(pTHX_ char **env, XSINIT_t xsinit) |
312caa8e | 1654 | { |
27da23d5 | 1655 | dVAR; |
312caa8e | 1656 | int argc = PL_origargc; |
8f42b153 | 1657 | char **argv = PL_origargv; |
e1ec3a88 | 1658 | const char *scriptname = NULL; |
312caa8e | 1659 | VOL bool dosearch = FALSE; |
e1ec3a88 | 1660 | const char *validarg = ""; |
312caa8e | 1661 | register SV *sv; |
47f56822 | 1662 | register char *s, c; |
bd61b366 | 1663 | const char *cddir = NULL; |
ab019eaa | 1664 | #ifdef USE_SITECUSTOMIZE |
20ef40cf | 1665 | bool minus_f = FALSE; |
ab019eaa | 1666 | #endif |
312caa8e | 1667 | |
3280af22 | 1668 | sv_setpvn(PL_linestr,"",0); |
396482e1 | 1669 | sv = newSVpvs(""); /* first used for -I flags */ |
6224f72b GS |
1670 | SAVEFREESV(sv); |
1671 | init_main_stash(); | |
54310121 | 1672 | |
6224f72b GS |
1673 | for (argc--,argv++; argc > 0; argc--,argv++) { |
1674 | if (argv[0][0] != '-' || !argv[0][1]) | |
1675 | break; | |
1676 | #ifdef DOSUID | |
1677 | if (*validarg) | |
1678 | validarg = " PHOOEY "; | |
1679 | else | |
1680 | validarg = argv[0]; | |
ae3f3efd PS |
1681 | /* |
1682 | * Can we rely on the kernel to start scripts with argv[1] set to | |
1683 | * contain all #! line switches (the whole line)? (argv[0] is set to | |
1684 | * the interpreter name, argv[2] to the script name; argv[3] and | |
1685 | * above may contain other arguments.) | |
1686 | */ | |
13281fa4 | 1687 | #endif |
6224f72b GS |
1688 | s = argv[0]+1; |
1689 | reswitch: | |
47f56822 | 1690 | switch ((c = *s)) { |
729a02f2 | 1691 | case 'C': |
1d5472a9 GS |
1692 | #ifndef PERL_STRICT_CR |
1693 | case '\r': | |
1694 | #endif | |
6224f72b GS |
1695 | case ' ': |
1696 | case '0': | |
1697 | case 'F': | |
1698 | case 'a': | |
1699 | case 'c': | |
1700 | case 'd': | |
1701 | case 'D': | |
1702 | case 'h': | |
1703 | case 'i': | |
1704 | case 'l': | |
1705 | case 'M': | |
1706 | case 'm': | |
1707 | case 'n': | |
1708 | case 'p': | |
1709 | case 's': | |
1710 | case 'u': | |
1711 | case 'U': | |
1712 | case 'v': | |
599cee73 PM |
1713 | case 'W': |
1714 | case 'X': | |
6224f72b | 1715 | case 'w': |
06492da6 | 1716 | case 'A': |
97bd5664 | 1717 | if ((s = moreswitches(s))) |
6224f72b GS |
1718 | goto reswitch; |
1719 | break; | |
33b78306 | 1720 | |
1dbad523 | 1721 | case 't': |
22f7c9c9 | 1722 | CHECK_MALLOC_TOO_LATE_FOR('t'); |
317ea90d MS |
1723 | if( !PL_tainting ) { |
1724 | PL_taint_warn = TRUE; | |
1725 | PL_tainting = TRUE; | |
1726 | } | |
1727 | s++; | |
1728 | goto reswitch; | |
6224f72b | 1729 | case 'T': |
22f7c9c9 | 1730 | CHECK_MALLOC_TOO_LATE_FOR('T'); |
3280af22 | 1731 | PL_tainting = TRUE; |
317ea90d | 1732 | PL_taint_warn = FALSE; |
6224f72b GS |
1733 | s++; |
1734 | goto reswitch; | |
f86702cc | 1735 | |
bc9b29db RH |
1736 | case 'E': |
1737 | PL_minus_E = TRUE; | |
1738 | /* FALL THROUGH */ | |
6224f72b | 1739 | case 'e': |
bf4acbe4 GS |
1740 | #ifdef MACOS_TRADITIONAL |
1741 | /* ignore -e for Dev:Pseudo argument */ | |
1742 | if (argv[1] && !strcmp(argv[1], "Dev:Pseudo")) | |
e55ac0fa | 1743 | break; |
bf4acbe4 | 1744 | #endif |
a52eba0e | 1745 | forbid_setid('e', -1); |
3280af22 | 1746 | if (!PL_e_script) { |
396482e1 | 1747 | PL_e_script = newSVpvs(""); |
0cb96387 | 1748 | filter_add(read_e_script, NULL); |
6224f72b GS |
1749 | } |
1750 | if (*++s) | |
3280af22 | 1751 | sv_catpv(PL_e_script, s); |
6224f72b | 1752 | else if (argv[1]) { |
3280af22 | 1753 | sv_catpv(PL_e_script, argv[1]); |
6224f72b GS |
1754 | argc--,argv++; |
1755 | } | |
1756 | else | |
47f56822 | 1757 | Perl_croak(aTHX_ "No code specified for -%c", c); |
396482e1 | 1758 | sv_catpvs(PL_e_script, "\n"); |
6224f72b | 1759 | break; |
afe37c7d | 1760 | |
20ef40cf | 1761 | case 'f': |
f5542d3a | 1762 | #ifdef USE_SITECUSTOMIZE |
20ef40cf | 1763 | minus_f = TRUE; |
f5542d3a | 1764 | #endif |
20ef40cf GA |
1765 | s++; |
1766 | goto reswitch; | |
1767 | ||
6224f72b | 1768 | case 'I': /* -I handled both here and in moreswitches() */ |
a52eba0e | 1769 | forbid_setid('I', -1); |
bd61b366 | 1770 | if (!*++s && (s=argv[1]) != NULL) { |
6224f72b GS |
1771 | argc--,argv++; |
1772 | } | |
6224f72b | 1773 | if (s && *s) { |
0df16ed7 | 1774 | STRLEN len = strlen(s); |
aec46f14 | 1775 | const char * const p = savepvn(s, len); |
88fe16b2 | 1776 | incpush(p, TRUE, TRUE, FALSE, FALSE); |
396482e1 | 1777 | sv_catpvs(sv, "-I"); |
0df16ed7 | 1778 | sv_catpvn(sv, p, len); |
396482e1 | 1779 | sv_catpvs(sv, " "); |
6224f72b | 1780 | Safefree(p); |
0df16ed7 GS |
1781 | } |
1782 | else | |
a67e862a | 1783 | Perl_croak(aTHX_ "No directory specified for -I"); |
6224f72b GS |
1784 | break; |
1785 | case 'P': | |
a52eba0e | 1786 | forbid_setid('P', -1); |
3280af22 | 1787 | PL_preprocess = TRUE; |
6224f72b GS |
1788 | s++; |
1789 | goto reswitch; | |
1790 | case 'S': | |
a52eba0e | 1791 | forbid_setid('S', -1); |
6224f72b GS |
1792 | dosearch = TRUE; |
1793 | s++; | |
1794 | goto reswitch; | |
1795 | case 'V': | |
7edfd0ef NC |
1796 | { |
1797 | SV *opts_prog; | |
1798 | ||
1799 | if (!PL_preambleav) | |
1800 | PL_preambleav = newAV(); | |
1801 | av_push(PL_preambleav, | |
396482e1 | 1802 | newSVpvs("use Config;")); |
7edfd0ef NC |
1803 | if (*++s != ':') { |
1804 | STRLEN opts; | |
1805 | ||
396482e1 | 1806 | opts_prog = newSVpvs("print Config::myconfig(),"); |
6224f72b | 1807 | #ifdef VMS |
396482e1 | 1808 | sv_catpvs(opts_prog,"\"\\nCharacteristics of this PERLSHR image: \\n\","); |
6224f72b | 1809 | #else |
396482e1 | 1810 | sv_catpvs(opts_prog,"\"\\nCharacteristics of this binary (from libperl): \\n\","); |
6224f72b | 1811 | #endif |
7edfd0ef | 1812 | opts = SvCUR(opts_prog); |
efcaa95b | 1813 | |
9cd7d3f2 | 1814 | Perl_sv_catpv(aTHX_ opts_prog,"\" Compile-time options:" |
6224f72b | 1815 | # ifdef DEBUGGING |
e2e4dbf1 | 1816 | " DEBUGGING" |
6224f72b | 1817 | # endif |
4f185743 NC |
1818 | # ifdef DEBUG_LEAKING_SCALARS |
1819 | " DEBUG_LEAKING_SCALARS" | |
1820 | # endif | |
85e1fcb9 | 1821 | # ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP |
e2e4dbf1 | 1822 | " DEBUG_LEAKING_SCALARS_FORK_DUMP" |
85e1fcb9 SH |
1823 | # endif |
1824 | # ifdef FAKE_THREADS | |
e2e4dbf1 | 1825 | " FAKE_THREADS" |
85e1fcb9 | 1826 | # endif |
6224f72b | 1827 | # ifdef MULTIPLICITY |
e2e4dbf1 | 1828 | " MULTIPLICITY" |
6224f72b | 1829 | # endif |
85e1fcb9 | 1830 | # ifdef MYMALLOC |
e2e4dbf1 | 1831 | " MYMALLOC" |
85e1fcb9 | 1832 | # endif |
3bcf5ed8 SP |
1833 | # ifdef NO_MATHOMS |
1834 | " NO_MATHOMS" | |
1835 | # endif | |
85e1fcb9 | 1836 | # ifdef PERL_DONT_CREATE_GVSV |
e2e4dbf1 | 1837 | " PERL_DONT_CREATE_GVSV" |
85e1fcb9 SH |
1838 | # endif |
1839 | # ifdef PERL_GLOBAL_STRUCT | |
e2e4dbf1 | 1840 | " PERL_GLOBAL_STRUCT" |
85e1fcb9 SH |
1841 | # endif |
1842 | # ifdef PERL_IMPLICIT_CONTEXT | |
e2e4dbf1 | 1843 | " PERL_IMPLICIT_CONTEXT" |
85e1fcb9 SH |
1844 | # endif |
1845 | # ifdef PERL_IMPLICIT_SYS | |
e2e4dbf1 | 1846 | " PERL_IMPLICIT_SYS" |
85e1fcb9 | 1847 | # endif |
a724edfe NC |
1848 | # ifdef PERL_MAD |
1849 | " PERL_MAD" | |
1850 | # endif | |
85e1fcb9 | 1851 | # ifdef PERL_MALLOC_WRAP |
e2e4dbf1 | 1852 | " PERL_MALLOC_WRAP" |
85e1fcb9 SH |
1853 | # endif |
1854 | # ifdef PERL_NEED_APPCTX | |
e2e4dbf1 | 1855 | " PERL_NEED_APPCTX" |
85e1fcb9 SH |
1856 | # endif |
1857 | # ifdef PERL_NEED_TIMESBASE | |
e2e4dbf1 | 1858 | " PERL_NEED_TIMESBASE" |
85e1fcb9 SH |
1859 | # endif |
1860 | # ifdef PERL_OLD_COPY_ON_WRITE | |
e2e4dbf1 | 1861 | " PERL_OLD_COPY_ON_WRITE" |
85e1fcb9 | 1862 | # endif |
9c0a4d5d DM |
1863 | # ifdef PERL_TRACK_MEMPOOL |
1864 | " PERL_TRACK_MEMPOOL" | |
1865 | # endif | |
417cd4a8 SP |
1866 | # ifdef PERL_USE_SAFE_PUTENV |
1867 | " PERL_USE_SAFE_PUTENV" | |
1868 | # endif | |
ca0c25f6 NC |
1869 | #ifdef PERL_USES_PL_PIDSTATUS |
1870 | " PERL_USES_PL_PIDSTATUS" | |
1871 | #endif | |
85e1fcb9 | 1872 | # ifdef PL_OP_SLAB_ALLOC |
e2e4dbf1 | 1873 | " PL_OP_SLAB_ALLOC" |
85e1fcb9 SH |
1874 | # endif |
1875 | # ifdef THREADS_HAVE_PIDS | |
e2e4dbf1 | 1876 | " THREADS_HAVE_PIDS" |
85e1fcb9 | 1877 | # endif |
85e1fcb9 | 1878 | # ifdef USE_64_BIT_ALL |
e2e4dbf1 | 1879 | " USE_64_BIT_ALL" |
ac5e8965 | 1880 | # endif |
10cc9d2a | 1881 | # ifdef USE_64_BIT_INT |
e2e4dbf1 | 1882 | " USE_64_BIT_INT" |
10cc9d2a | 1883 | # endif |
85e1fcb9 | 1884 | # ifdef USE_ITHREADS |
e2e4dbf1 | 1885 | " USE_ITHREADS" |
85e1fcb9 SH |
1886 | # endif |
1887 | # ifdef USE_LARGE_FILES | |
e2e4dbf1 | 1888 | " USE_LARGE_FILES" |
ac5e8965 JH |
1889 | # endif |
1890 | # ifdef USE_LONG_DOUBLE | |
e2e4dbf1 | 1891 | " USE_LONG_DOUBLE" |
ac5e8965 | 1892 | # endif |
85e1fcb9 | 1893 | # ifdef USE_PERLIO |
e2e4dbf1 | 1894 | " USE_PERLIO" |
53430762 | 1895 | # endif |
85e1fcb9 | 1896 | # ifdef USE_REENTRANT_API |
e2e4dbf1 | 1897 | " USE_REENTRANT_API" |
85e1fcb9 SH |
1898 | # endif |
1899 | # ifdef USE_SFIO | |
e2e4dbf1 | 1900 | " USE_SFIO" |
ac5e8965 | 1901 | # endif |
20ef40cf | 1902 | # ifdef USE_SITECUSTOMIZE |
e2e4dbf1 | 1903 | " USE_SITECUSTOMIZE" |
20ef40cf | 1904 | # endif |
85e1fcb9 | 1905 | # ifdef USE_SOCKS |
e2e4dbf1 | 1906 | " USE_SOCKS" |
b363f7ed | 1907 | # endif |
e2e4dbf1 | 1908 | ); |
efcaa95b | 1909 | |
7edfd0ef NC |
1910 | while (SvCUR(opts_prog) > opts+76) { |
1911 | /* find last space after "options: " and before col 76 | |
1912 | */ | |
efcaa95b | 1913 | |
7edfd0ef | 1914 | const char *space; |
c4420975 | 1915 | char * const pv = SvPV_nolen(opts_prog); |
7edfd0ef NC |
1916 | const char c = pv[opts+76]; |
1917 | pv[opts+76] = '\0'; | |
1918 | space = strrchr(pv+opts+26, ' '); | |
1919 | pv[opts+76] = c; | |
1920 | if (!space) break; /* "Can't happen" */ | |
efcaa95b | 1921 | |
7edfd0ef | 1922 | /* break the line before that space */ |
efcaa95b | 1923 | |
7edfd0ef | 1924 | opts = space - pv; |
89529cee | 1925 | Perl_sv_insert(aTHX_ opts_prog, opts, 0, |
6a245ed1 | 1926 | STR_WITH_LEN("\\n ")); |
7edfd0ef | 1927 | } |
efcaa95b | 1928 | |
396482e1 | 1929 | sv_catpvs(opts_prog,"\\n\","); |
b363f7ed | 1930 | |
6224f72b | 1931 | #if defined(LOCAL_PATCH_COUNT) |
7edfd0ef NC |
1932 | if (LOCAL_PATCH_COUNT > 0) { |
1933 | int i; | |
396482e1 | 1934 | sv_catpvs(opts_prog, |
7edfd0ef NC |
1935 | "\" Locally applied patches:\\n\","); |
1936 | for (i = 1; i <= LOCAL_PATCH_COUNT; i++) { | |
1937 | if (PL_localpatches[i]) | |
1938 | Perl_sv_catpvf(aTHX_ opts_prog,"q%c\t%s\n%c,", | |
1939 | 0, PL_localpatches[i], 0); | |
1940 | } | |
6224f72b | 1941 | } |
6224f72b | 1942 | #endif |
7edfd0ef NC |
1943 | Perl_sv_catpvf(aTHX_ opts_prog, |
1944 | "\" Built under %s\\n\"",OSNAME); | |
6224f72b GS |
1945 | #ifdef __DATE__ |
1946 | # ifdef __TIME__ | |
7edfd0ef NC |
1947 | Perl_sv_catpvf(aTHX_ opts_prog, |
1948 | ",\" Compiled at %s %s\\n\"",__DATE__, | |
1949 | __TIME__); | |
6224f72b | 1950 | # else |
7edfd0ef NC |
1951 | Perl_sv_catpvf(aTHX_ opts_prog,",\" Compiled on %s\\n\"", |
1952 | __DATE__); | |
6224f72b GS |
1953 | # endif |
1954 | #endif | |
396482e1 | 1955 | sv_catpvs(opts_prog, "; $\"=\"\\n \"; " |
7edfd0ef NC |
1956 | "@env = map { \"$_=\\\"$ENV{$_}\\\"\" } " |
1957 | "sort grep {/^PERL/} keys %ENV; "); | |
69fcd688 | 1958 | #ifdef __CYGWIN__ |
396482e1 | 1959 | sv_catpvs(opts_prog, |
7edfd0ef | 1960 | "push @env, \"CYGWIN=\\\"$ENV{CYGWIN}\\\"\";"); |
69fcd688 | 1961 | #endif |
396482e1 | 1962 | sv_catpvs(opts_prog, |
7edfd0ef NC |
1963 | "print \" \\%ENV:\\n @env\\n\" if @env;" |
1964 | "print \" \\@INC:\\n @INC\\n\";"); | |
1965 | } | |
1966 | else { | |
1967 | ++s; | |
1968 | opts_prog = Perl_newSVpvf(aTHX_ | |
1969 | "Config::config_vars(qw%c%s%c)", | |
1970 | 0, s, 0); | |
1971 | s += strlen(s); | |
1972 | } | |
1973 | av_push(PL_preambleav, opts_prog); | |
1974 | /* don't look for script or read stdin */ | |
1975 | scriptname = BIT_BUCKET; | |
1976 | goto reswitch; | |
6224f72b | 1977 | } |
6224f72b | 1978 | case 'x': |
3280af22 | 1979 | PL_doextract = TRUE; |
6224f72b GS |
1980 | s++; |
1981 | if (*s) | |
f4c556ac | 1982 | cddir = s; |
6224f72b GS |
1983 | break; |
1984 | case 0: | |
1985 | break; | |
1986 | case '-': | |
1987 | if (!*++s || isSPACE(*s)) { | |
1988 | argc--,argv++; | |
1989 | goto switch_end; | |
1990 | } | |
1991 | /* catch use of gnu style long options */ | |
1992 | if (strEQ(s, "version")) { | |
dd374669 | 1993 | s = (char *)"v"; |
6224f72b GS |
1994 | goto reswitch; |
1995 | } | |
1996 | if (strEQ(s, "help")) { | |
dd374669 | 1997 | s = (char *)"h"; |
6224f72b GS |
1998 | goto reswitch; |
1999 | } | |
2000 | s--; | |
2001 | /* FALL THROUGH */ | |
2002 | default: | |
cea2e8a9 | 2003 | Perl_croak(aTHX_ "Unrecognized switch: -%s (-h will show valid options)",s); |
8d063cd8 LW |
2004 | } |
2005 | } | |
6224f72b | 2006 | switch_end: |
54310121 | 2007 | |
f675dbe5 CB |
2008 | if ( |
2009 | #ifndef SECURE_INTERNAL_GETENV | |
2010 | !PL_tainting && | |
2011 | #endif | |
cf756827 | 2012 | (s = PerlEnv_getenv("PERL5OPT"))) |
0df16ed7 | 2013 | { |
e1ec3a88 | 2014 | const char *popt = s; |
74288ac8 GS |
2015 | while (isSPACE(*s)) |
2016 | s++; | |
317ea90d | 2017 | if (*s == '-' && *(s+1) == 'T') { |
22f7c9c9 | 2018 | CHECK_MALLOC_TOO_LATE_FOR('T'); |
74288ac8 | 2019 | PL_tainting = TRUE; |
317ea90d MS |
2020 | PL_taint_warn = FALSE; |
2021 | } | |
74288ac8 | 2022 | else { |
bd61b366 | 2023 | char *popt_copy = NULL; |
74288ac8 | 2024 | while (s && *s) { |
4ea8f8fb | 2025 | char *d; |
74288ac8 GS |
2026 | while (isSPACE(*s)) |
2027 | s++; | |
2028 | if (*s == '-') { | |
2029 | s++; | |
2030 | if (isSPACE(*s)) | |
2031 | continue; | |
2032 | } | |
4ea8f8fb | 2033 | d = s; |
74288ac8 GS |
2034 | if (!*s) |
2035 | break; | |
e4af53b0 | 2036 | if (!strchr("CDIMUdmtwA", *s)) |
cea2e8a9 | 2037 | Perl_croak(aTHX_ "Illegal switch in PERL5OPT: -%c", *s); |
4ea8f8fb MS |
2038 | while (++s && *s) { |
2039 | if (isSPACE(*s)) { | |
cf756827 GS |
2040 | if (!popt_copy) { |
2041 | popt_copy = SvPVX(sv_2mortal(newSVpv(popt,0))); | |
2042 | s = popt_copy + (s - popt); | |
2043 | d = popt_copy + (d - popt); | |
2044 | } | |
4ea8f8fb MS |
2045 | *s++ = '\0'; |
2046 | break; | |
2047 | } | |
2048 | } | |
1c4db469 | 2049 | if (*d == 't') { |
317ea90d MS |
2050 | if( !PL_tainting ) { |
2051 | PL_taint_warn = TRUE; | |
2052 | PL_tainting = TRUE; | |
2053 | } | |
1c4db469 | 2054 | } else { |
97bd5664 | 2055 | moreswitches(d); |
1c4db469 | 2056 | } |
6224f72b | 2057 | } |
6224f72b GS |
2058 | } |
2059 | } | |
a0d0e21e | 2060 | |
20ef40cf GA |
2061 | #ifdef USE_SITECUSTOMIZE |
2062 | if (!minus_f) { | |
2063 | if (!PL_preambleav) | |
2064 | PL_preambleav = newAV(); | |
2065 | av_unshift(PL_preambleav, 1); | |
2066 | (void)av_store(PL_preambleav, 0, Perl_newSVpvf(aTHX_ "BEGIN { do '%s/sitecustomize.pl' }", SITELIB_EXP)); | |
2067 | } | |
2068 | #endif | |
2069 | ||
6224f72b GS |
2070 | if (!scriptname) |
2071 | scriptname = argv[0]; | |
3280af22 | 2072 | if (PL_e_script) { |
6224f72b GS |
2073 | argc++,argv--; |
2074 | scriptname = BIT_BUCKET; /* don't look for script or read stdin */ | |
2075 | } | |
bd61b366 | 2076 | else if (scriptname == NULL) { |
6224f72b GS |
2077 | #ifdef MSDOS |
2078 | if ( PerlLIO_isatty(PerlIO_fileno(PerlIO_stdin())) ) | |
97bd5664 | 2079 | moreswitches("h"); |
6224f72b GS |
2080 | #endif |
2081 | scriptname = "-"; | |
2082 | } | |
2083 | ||
b7975bdd NC |
2084 | /* Set $^X early so that it can be used for relocatable paths in @INC */ |
2085 | assert (!PL_tainted); | |
2086 | TAINT; | |
2087 | S_set_caret_X(aTHX); | |
2088 | TAINT_NOT; | |
6224f72b GS |
2089 | init_perllib(); |
2090 | ||
a52eba0e NC |
2091 | { |
2092 | int suidscript; | |
2093 | const int fdscript | |
2094 | = open_script(scriptname, dosearch, sv, &suidscript); | |
6224f72b | 2095 | |
a52eba0e | 2096 | validate_suid(validarg, scriptname, fdscript, suidscript); |
6224f72b | 2097 | |
64ca3a65 | 2098 | #ifndef PERL_MICRO |
a52eba0e NC |
2099 | # if defined(SIGCHLD) || defined(SIGCLD) |
2100 | { | |
2101 | # ifndef SIGCHLD | |
2102 | # define SIGCHLD SIGCLD | |
2103 | # endif | |
2104 | Sighandler_t sigstate = rsignal_state(SIGCHLD); | |
2105 | if (sigstate == (Sighandler_t) SIG_IGN) { | |
2106 | if (ckWARN(WARN_SIGNAL)) | |
2107 | Perl_warner(aTHX_ packWARN(WARN_SIGNAL), | |
2108 | "Can't ignore signal CHLD, forcing to default"); | |
2109 | (void)rsignal(SIGCHLD, (Sighandler_t)SIG_DFL); | |
2110 | } | |
0b5b802d | 2111 | } |
a52eba0e | 2112 | # endif |
64ca3a65 | 2113 | #endif |
0b5b802d | 2114 | |
a52eba0e | 2115 | if (PL_doextract |
bf4acbe4 | 2116 | #ifdef MACOS_TRADITIONAL |
a52eba0e | 2117 | || gMacPerl_AlwaysExtract |
bf4acbe4 | 2118 | #endif |
a52eba0e | 2119 | ) { |
faef540c NC |
2120 | |
2121 | /* This will croak if suidscript is >= 0, as -x cannot be used with | |
2122 | setuid scripts. */ | |
2123 | forbid_setid('x', suidscript); | |
2124 | /* Hence you can't get here if suidscript >= 0 */ | |
2125 | ||
2126 | find_beginning(); | |
a52eba0e NC |
2127 | if (cddir && PerlDir_chdir( (char *)cddir ) < 0) |
2128 | Perl_croak(aTHX_ "Can't chdir to %s",cddir); | |
2129 | } | |
f4c556ac | 2130 | } |
6224f72b | 2131 | |
561b68a9 | 2132 | PL_main_cv = PL_compcv = (CV*)newSV(0); |
3280af22 NIS |
2133 | sv_upgrade((SV *)PL_compcv, SVt_PVCV); |
2134 | CvUNIQUE_on(PL_compcv); | |
2135 | ||
dd2155a4 | 2136 | CvPADLIST(PL_compcv) = pad_new(0); |
6224f72b | 2137 | |
0c4f7ff0 | 2138 | boot_core_PerlIO(); |
6224f72b | 2139 | boot_core_UNIVERSAL(); |
09bef843 | 2140 | boot_core_xsutils(); |
6224f72b GS |
2141 | |
2142 | if (xsinit) | |
acfe0abc | 2143 | (*xsinit)(aTHX); /* in case linked C routines want magical variables */ |
64ca3a65 | 2144 | #ifndef PERL_MICRO |
d0d72822 | 2145 | #if defined(VMS) || defined(WIN32) || defined(DJGPP) || defined(__CYGWIN__) || defined(EPOC) || defined(SYMBIAN) |
c5be433b | 2146 | init_os_extras(); |
6224f72b | 2147 | #endif |
64ca3a65 | 2148 | #endif |
6224f72b | 2149 | |
29209bc5 | 2150 | #ifdef USE_SOCKS |
1b9c9cf5 DH |
2151 | # ifdef HAS_SOCKS5_INIT |
2152 | socks5_init(argv[0]); | |
2153 | # else | |
29209bc5 | 2154 | SOCKSinit(argv[0]); |
1b9c9cf5 | 2155 | # endif |
ac27b0f5 | 2156 | #endif |
29209bc5 | 2157 | |
6224f72b GS |
2158 | init_predump_symbols(); |
2159 | /* init_postdump_symbols not currently designed to be called */ | |
2160 | /* more than once (ENV isn't cleared first, for example) */ | |
2161 | /* But running with -u leaves %ENV & @ARGV undefined! XXX */ | |
3280af22 | 2162 | if (!PL_do_undump) |
6224f72b GS |
2163 | init_postdump_symbols(argc,argv,env); |
2164 | ||
27da23d5 JH |
2165 | /* PL_unicode is turned on by -C, or by $ENV{PERL_UNICODE}, |
2166 | * or explicitly in some platforms. | |
085a54d9 | 2167 | * locale.c:Perl_init_i18nl10n() if the environment |
a05d7ebb | 2168 | * look like the user wants to use UTF-8. */ |
a0fd4948 | 2169 | #if defined(__SYMBIAN32__) |
27da23d5 JH |
2170 | PL_unicode = PERL_UNICODE_STD_FLAG; /* See PERL_SYMBIAN_CONSOLE_UTF8. */ |
2171 | #endif | |
06e66572 JH |
2172 | if (PL_unicode) { |
2173 | /* Requires init_predump_symbols(). */ | |
a05d7ebb | 2174 | if (!(PL_unicode & PERL_UNICODE_LOCALE_FLAG) || PL_utf8locale) { |
06e66572 JH |
2175 | IO* io; |
2176 | PerlIO* fp; | |
2177 | SV* sv; | |
2178 | ||
a05d7ebb | 2179 | /* Turn on UTF-8-ness on STDIN, STDOUT, STDERR |
06e66572 | 2180 | * and the default open disciplines. */ |
a05d7ebb JH |
2181 | if ((PL_unicode & PERL_UNICODE_STDIN_FLAG) && |
2182 | PL_stdingv && (io = GvIO(PL_stdingv)) && | |
2183 | (fp = IoIFP(io))) | |
2184 | PerlIO_binmode(aTHX_ fp, IoTYPE(io), 0, ":utf8"); | |
2185 | if ((PL_unicode & PERL_UNICODE_STDOUT_FLAG) && | |
2186 | PL_defoutgv && (io = GvIO(PL_defoutgv)) && | |
2187 | (fp = IoOFP(io))) | |
2188 | PerlIO_binmode(aTHX_ fp, IoTYPE(io), 0, ":utf8"); | |
2189 | if ((PL_unicode & PERL_UNICODE_STDERR_FLAG) && | |
2190 | PL_stderrgv && (io = GvIO(PL_stderrgv)) && | |
2191 | (fp = IoOFP(io))) | |
2192 | PerlIO_binmode(aTHX_ fp, IoTYPE(io), 0, ":utf8"); | |
2193 | if ((PL_unicode & PERL_UNICODE_INOUT_FLAG) && | |
fafc274c NC |
2194 | (sv = GvSV(gv_fetchpvs("\017PEN", GV_ADD|GV_NOTQUAL, |
2195 | SVt_PV)))) { | |
a05d7ebb JH |
2196 | U32 in = PL_unicode & PERL_UNICODE_IN_FLAG; |
2197 | U32 out = PL_unicode & PERL_UNICODE_OUT_FLAG; | |
2198 | if (in) { | |
2199 | if (out) | |
2200 | sv_setpvn(sv, ":utf8\0:utf8", 11); | |
2201 | else | |
2202 | sv_setpvn(sv, ":utf8\0", 6); | |
2203 | } | |
2204 | else if (out) | |
2205 | sv_setpvn(sv, "\0:utf8", 6); | |
2206 | SvSETMAGIC(sv); | |
2207 | } | |
b310b053 JH |
2208 | } |
2209 | } | |
2210 | ||
4ffa73a3 JH |
2211 | if ((s = PerlEnv_getenv("PERL_SIGNALS"))) { |
2212 | if (strEQ(s, "unsafe")) | |
2213 | PL_signals |= PERL_SIGNALS_UNSAFE_FLAG; | |
2214 | else if (strEQ(s, "safe")) | |
2215 | PL_signals &= ~PERL_SIGNALS_UNSAFE_FLAG; | |
2216 | else | |
2217 | Perl_croak(aTHX_ "PERL_SIGNALS illegal: \"%s\"", s); | |
2218 | } | |
2219 | ||
81d86705 NC |
2220 | #ifdef PERL_MAD |
2221 | if ((s = PerlEnv_getenv("PERL_XMLDUMP"))) { | |
2222 | PL_madskills = 1; | |
2223 | PL_minus_c = 1; | |
2224 | if (!s || !s[0]) | |
2225 | PL_xmlfp = PerlIO_stdout(); | |
2226 | else { | |
2227 | PL_xmlfp = PerlIO_open(s, "w"); | |
2228 | if (!PL_xmlfp) | |
2229 | Perl_croak(aTHX_ "Can't open %s", s); | |
2230 | } | |
2231 | my_setenv("PERL_XMLDUMP", Nullch); /* hide from subprocs */ | |
2232 | } | |
2233 | if ((s = PerlEnv_getenv("PERL_MADSKILLS"))) { | |
2234 | PL_madskills = atoi(s); | |
2235 | my_setenv("PERL_MADSKILLS", Nullch); /* hide from subprocs */ | |
2236 | } | |
2237 | #endif | |
2238 | ||
6224f72b GS |
2239 | init_lexer(); |
2240 | ||
2241 | /* now parse the script */ | |
2242 | ||
93189314 | 2243 | SETERRNO(0,SS_NORMAL); |
3280af22 | 2244 | PL_error_count = 0; |
bf4acbe4 GS |
2245 | #ifdef MACOS_TRADITIONAL |
2246 | if (gMacPerl_SyntaxError = (yyparse() || PL_error_count)) { | |
2247 | if (PL_minus_c) | |
2248 | Perl_croak(aTHX_ "%s had compilation errors.\n", MacPerl_MPWFileName(PL_origfilename)); | |
2249 | else { | |
2250 | Perl_croak(aTHX_ "Execution of %s aborted due to compilation errors.\n", | |
2251 | MacPerl_MPWFileName(PL_origfilename)); | |
2252 | } | |
2253 | } | |
2254 | #else | |
3280af22 NIS |
2255 | if (yyparse() || PL_error_count) { |
2256 | if (PL_minus_c) | |
cea2e8a9 | 2257 | Perl_croak(aTHX_ "%s had compilation errors.\n", PL_origfilename); |
6224f72b | 2258 | else { |
cea2e8a9 | 2259 | Perl_croak(aTHX_ "Execution of %s aborted due to compilation errors.\n", |
097ee67d | 2260 | PL_origfilename); |
6224f72b GS |
2261 | } |
2262 | } | |
bf4acbe4 | 2263 | #endif |
57843af0 | 2264 | CopLINE_set(PL_curcop, 0); |
3280af22 NIS |
2265 | PL_curstash = PL_defstash; |
2266 | PL_preprocess = FALSE; | |
2267 | if (PL_e_script) { | |
2268 | SvREFCNT_dec(PL_e_script); | |
a0714e2c | 2269 | PL_e_script = NULL; |
6224f72b GS |
2270 | } |
2271 | ||
3280af22 | 2272 | if (PL_do_undump) |
6224f72b GS |
2273 | my_unexec(); |
2274 | ||
57843af0 GS |
2275 | if (isWARN_ONCE) { |
2276 | SAVECOPFILE(PL_curcop); | |
2277 | SAVECOPLINE(PL_curcop); | |
3280af22 | 2278 | gv_check(PL_defstash); |
57843af0 | 2279 | } |
6224f72b GS |
2280 | |
2281 | LEAVE; | |
2282 | FREETMPS; | |
2283 | ||
2284 | #ifdef MYMALLOC | |
2285 | if ((s=PerlEnv_getenv("PERL_DEBUG_MSTATS")) && atoi(s) >= 2) | |
2286 | dump_mstats("after compilation:"); | |
2287 | #endif | |
2288 | ||
2289 | ENTER; | |
3280af22 | 2290 | PL_restartop = 0; |
312caa8e | 2291 | return NULL; |
6224f72b GS |
2292 | } |
2293 | ||
954c1994 GS |
2294 | /* |
2295 | =for apidoc perl_run | |
2296 | ||
2297 | Tells a Perl interpreter to run. See L<perlembed>. | |
2298 | ||
2299 | =cut | |
2300 | */ | |
2301 | ||
6224f72b | 2302 | int |
0cb96387 | 2303 | perl_run(pTHXx) |
6224f72b | 2304 | { |
97aff369 | 2305 | dVAR; |
6224f72b | 2306 | I32 oldscope; |
14dd3ad8 | 2307 | int ret = 0; |
db36c5a1 | 2308 | dJMPENV; |
6224f72b | 2309 | |
ed6c66dd | 2310 | PERL_UNUSED_ARG(my_perl); |
9d4ba2ae | 2311 | |
3280af22 | 2312 | oldscope = PL_scopestack_ix; |
96e176bf CL |
2313 | #ifdef VMS |
2314 | VMSISH_HUSHED = 0; | |
2315 | #endif | |
6224f72b | 2316 | |
14dd3ad8 | 2317 | JMPENV_PUSH(ret); |
6224f72b GS |
2318 | switch (ret) { |
2319 | case 1: | |
2320 | cxstack_ix = -1; /* start context stack again */ | |
312caa8e | 2321 | goto redo_body; |
14dd3ad8 | 2322 | case 0: /* normal completion */ |
14dd3ad8 GS |
2323 | redo_body: |
2324 | run_body(oldscope); | |
14dd3ad8 GS |
2325 | /* FALL THROUGH */ |
2326 | case 2: /* my_exit() */ | |
3280af22 | 2327 | while (PL_scopestack_ix > oldscope) |
6224f72b GS |
2328 | LEAVE; |
2329 | FREETMPS; | |
3280af22 | 2330 | PL_curstash = PL_defstash; |
3a1ee7e8 | 2331 | if (!(PL_exit_flags & PERL_EXIT_DESTRUCT_END) && |
31d77e54 AB |
2332 | PL_endav && !PL_minus_c) |
2333 | call_list(oldscope, PL_endav); | |
6224f72b GS |
2334 | #ifdef MYMALLOC |
2335 | if (PerlEnv_getenv("PERL_DEBUG_MSTATS")) | |
2336 | dump_mstats("after execution: "); | |
2337 | #endif | |
37038d91 | 2338 | ret = STATUS_EXIT; |
14dd3ad8 | 2339 | break; |
6224f72b | 2340 | case 3: |
312caa8e CS |
2341 | if (PL_restartop) { |
2342 | POPSTACK_TO(PL_mainstack); | |
2343 | goto redo_body; | |
6224f72b | 2344 | } |
bf49b057 | 2345 | PerlIO_printf(Perl_error_log, "panic: restartop\n"); |
312caa8e | 2346 | FREETMPS; |
14dd3ad8 GS |
2347 | ret = 1; |
2348 | break; | |
6224f72b GS |
2349 | } |
2350 | ||
14dd3ad8 GS |
2351 | JMPENV_POP; |
2352 | return ret; | |
312caa8e CS |
2353 | } |
2354 | ||
14dd3ad8 | 2355 | |
dd374669 | 2356 | STATIC void |
14dd3ad8 GS |
2357 | S_run_body(pTHX_ I32 oldscope) |
2358 | { | |
97aff369 | 2359 | dVAR; |
6224f72b | 2360 | DEBUG_r(PerlIO_printf(Perl_debug_log, "%s $` $& $' support.\n", |
3280af22 | 2361 | PL_sawampersand ? "Enabling" : "Omitting")); |
6224f72b | 2362 | |
3280af22 | 2363 | if (!PL_restartop) { |
81d86705 NC |
2364 | #ifdef PERL_MAD |
2365 | if (PL_xmlfp) { | |
2366 | xmldump_all(); | |
2367 | exit(0); /* less likely to core dump than my_exit(0) */ | |
2368 | } | |
2369 | #endif | |
6224f72b | 2370 | DEBUG_x(dump_all()); |
cf2782cd | 2371 | #ifdef DEBUGGING |
ecae49c0 NC |
2372 | if (!DEBUG_q_TEST) |
2373 | PERL_DEBUG(PerlIO_printf(Perl_debug_log, "\nEXECUTING...\n\n")); | |
cf2782cd | 2374 | #endif |
b900a521 JH |
2375 | DEBUG_S(PerlIO_printf(Perl_debug_log, "main thread is 0x%"UVxf"\n", |
2376 | PTR2UV(thr))); | |
6224f72b | 2377 | |
3280af22 | 2378 | if (PL_minus_c) { |
bf4acbe4 | 2379 | #ifdef MACOS_TRADITIONAL |
e69a2255 JH |
2380 | PerlIO_printf(Perl_error_log, "%s%s syntax OK\n", |
2381 | (gMacPerl_ErrorFormat ? "# " : ""), | |
2382 | MacPerl_MPWFileName(PL_origfilename)); | |
bf4acbe4 | 2383 | #else |
bf49b057 | 2384 | PerlIO_printf(Perl_error_log, "%s syntax OK\n", PL_origfilename); |
bf4acbe4 | 2385 | #endif |
6224f72b GS |
2386 | my_exit(0); |
2387 | } | |
3280af22 | 2388 | if (PERLDB_SINGLE && PL_DBsingle) |
ac27b0f5 | 2389 | sv_setiv(PL_DBsingle, 1); |
3280af22 NIS |
2390 | if (PL_initav) |
2391 | call_list(oldscope, PL_initav); | |
6224f72b GS |
2392 | } |
2393 | ||
2394 | /* do it */ | |
2395 | ||
3280af22 | 2396 | if (PL_restartop) { |
533c011a | 2397 | PL_op = PL_restartop; |
3280af22 | 2398 | PL_restartop = 0; |
cea2e8a9 | 2399 | CALLRUNOPS(aTHX); |
6224f72b | 2400 | } |
3280af22 NIS |
2401 | else if (PL_main_start) { |
2402 | CvDEPTH(PL_main_cv) = 1; | |
533c011a | 2403 | PL_op = PL_main_start; |
cea2e8a9 | 2404 | CALLRUNOPS(aTHX); |
6224f72b | 2405 | } |
f6b3007c JH |
2406 | my_exit(0); |
2407 | /* NOTREACHED */ | |
6224f72b GS |
2408 | } |
2409 | ||
954c1994 | 2410 | /* |
ccfc67b7 JH |
2411 | =head1 SV Manipulation Functions |
2412 | ||
954c1994 GS |
2413 | =for apidoc p||get_sv |
2414 | ||
2415 | Returns the SV of the specified Perl scalar. If C<create> is set and the | |
2416 | Perl variable does not exist then it will be created. If C<create> is not | |
2417 | set and the variable does not exist then NULL is returned. | |
2418 | ||
2419 | =cut | |
2420 | */ | |
2421 | ||
6224f72b | 2422 | SV* |
864dbfa3 | 2423 | Perl_get_sv(pTHX_ const char *name, I32 create) |
6224f72b GS |
2424 | { |
2425 | GV *gv; | |
6224f72b GS |
2426 | gv = gv_fetchpv(name, create, SVt_PV); |
2427 | if (gv) | |
2428 | return GvSV(gv); | |
a0714e2c | 2429 | return NULL; |
6224f72b GS |
2430 | } |
2431 | ||
954c1994 | 2432 | /* |
ccfc67b7 JH |
2433 | =head1 Array Manipulation Functions |
2434 | ||
954c1994 GS |
2435 | =for apidoc p||get_av |
2436 | ||
2437 | Returns the AV of the specified Perl array. If C<create> is set and the | |
2438 | Perl variable does not exist then it will be created. If C<create> is not | |
2439 | set and the variable does not exist then NULL is returned. | |
2440 | ||
2441 | =cut | |
2442 | */ | |
2443 | ||
6224f72b | 2444 | AV* |
864dbfa3 | 2445 | Perl_get_av(pTHX_ const char *name, I32 create) |
6224f72b | 2446 | { |
c4420975 | 2447 | GV* const gv = gv_fetchpv(name, create, SVt_PVAV); |
6224f72b GS |
2448 | if (create) |
2449 | return GvAVn(gv); | |
2450 | if (gv) | |
2451 | return GvAV(gv); | |
7d49f689 | 2452 | return NULL; |
6224f72b GS |
2453 | } |
2454 | ||
954c1994 | 2455 | /* |
ccfc67b7 JH |
2456 | =head1 Hash Manipulation Functions |
2457 | ||
954c1994 GS |
2458 | =for apidoc p||get_hv |
2459 | ||
2460 | Returns the HV of the specified Perl hash. If C<create> is set and the | |
2461 | Perl variable does not exist then it will be created. If C<create> is not | |
2462 | set and the variable does not exist then NULL is returned. | |
2463 | ||
2464 | =cut | |
2465 | */ | |
2466 | ||
6224f72b | 2467 | HV* |
864dbfa3 | 2468 | Perl_get_hv(pTHX_ const char *name, I32 create) |
6224f72b | 2469 | { |
890ce7af | 2470 | GV* const gv = gv_fetchpv(name, create, SVt_PVHV); |
a0d0e21e LW |
2471 | if (create) |
2472 | return GvHVn(gv); | |
2473 | if (gv) | |
2474 | return GvHV(gv); | |
5c284bb0 | 2475 | return NULL; |
a0d0e21e LW |
2476 | } |
2477 | ||
954c1994 | 2478 | /* |
ccfc67b7 JH |
2479 | =head1 CV Manipulation Functions |
2480 | ||
780a5241 NC |
2481 | =for apidoc p||get_cvn_flags |
2482 | ||
2483 | Returns the CV of the specified Perl subroutine. C<flags> are passed to | |
2484 | C<gv_fetchpvn_flags>. If C<GV_ADD> is set and the Perl subroutine does not | |
2485 | exist then it will be declared (which has the same effect as saying | |
2486 | C<sub name;>). If C<GV_ADD> is not set and the subroutine does not exist | |
2487 | then NULL is returned. | |
2488 | ||
954c1994 GS |
2489 | =for apidoc p||get_cv |
2490 | ||
780a5241 | 2491 | Uses C<strlen> to get the length of C<name>, then calls C<get_cvn_flags>. |
954c1994 GS |
2492 | |
2493 | =cut | |
2494 | */ | |
2495 | ||
a0d0e21e | 2496 | CV* |
780a5241 | 2497 | Perl_get_cvn_flags(pTHX_ const char *name, STRLEN len, I32 flags) |
a0d0e21e | 2498 | { |
780a5241 | 2499 | GV* const gv = gv_fetchpvn_flags(name, len, flags, SVt_PVCV); |
b099ddc0 | 2500 | /* XXX unsafe for threads if eval_owner isn't held */ |
f6ec51f7 GS |
2501 | /* XXX this is probably not what they think they're getting. |
2502 | * It has the same effect as "sub name;", i.e. just a forward | |
2503 | * declaration! */ | |
780a5241 NC |
2504 | if ((flags & ~GV_NOADD_MASK) && !GvCVu(gv)) { |
2505 | SV *const sv = newSVpvn(name,len); | |
2506 | SvFLAGS(sv) |= flags & SVf_UTF8; | |
774d564b | 2507 | return newSUB(start_subparse(FALSE, 0), |
780a5241 | 2508 | newSVOP(OP_CONST, 0, sv), |
5f66b61c | 2509 | NULL, NULL); |
780a5241 | 2510 | } |
a0d0e21e | 2511 | if (gv) |
8ebc5c01 | 2512 | return GvCVu(gv); |
601f1833 | 2513 | return NULL; |
a0d0e21e LW |
2514 | } |
2515 | ||
780a5241 NC |
2516 | CV* |
2517 | Perl_get_cv(pTHX_ const char *name, I32 flags) | |
2518 | { | |
2519 | return get_cvn_flags(name, strlen(name), flags); | |
2520 | } | |
2521 | ||
79072805 LW |
2522 | /* Be sure to refetch the stack pointer after calling these routines. */ |
2523 | ||
954c1994 | 2524 | /* |
ccfc67b7 JH |
2525 | |
2526 | =head1 Callback Functions | |
2527 | ||
954c1994 GS |
2528 | =for apidoc p||call_argv |
2529 | ||
2530 | Performs a callback to the specified Perl sub. See L<perlcall>. | |
2531 | ||
2532 | =cut | |
2533 | */ | |
2534 | ||
a0d0e21e | 2535 | I32 |
8f42b153 | 2536 | Perl_call_argv(pTHX_ const char *sub_name, I32 flags, register char **argv) |
ac27b0f5 | 2537 | |
8ac85365 NIS |
2538 | /* See G_* flags in cop.h */ |
2539 | /* null terminated arg list */ | |
8990e307 | 2540 | { |
97aff369 | 2541 | dVAR; |
a0d0e21e | 2542 | dSP; |
8990e307 | 2543 | |
924508f0 | 2544 | PUSHMARK(SP); |
a0d0e21e | 2545 | if (argv) { |
8990e307 | 2546 | while (*argv) { |
a0d0e21e | 2547 | XPUSHs(sv_2mortal(newSVpv(*argv,0))); |
8990e307 LW |
2548 | argv++; |
2549 | } | |
a0d0e21e | 2550 | PUTBACK; |
8990e307 | 2551 | } |
864dbfa3 | 2552 | return call_pv(sub_name, flags); |
8990e307 LW |
2553 | } |
2554 | ||
954c1994 GS |
2555 | /* |
2556 | =for apidoc p||call_pv | |
2557 | ||
2558 | Performs a callback to the specified Perl sub. See L<perlcall>. | |
2559 | ||
2560 | =cut | |
2561 | */ | |
2562 | ||
a0d0e21e | 2563 | I32 |
864dbfa3 | 2564 | Perl_call_pv(pTHX_ const char *sub_name, I32 flags) |
8ac85365 NIS |
2565 | /* name of the subroutine */ |
2566 | /* See G_* flags in cop.h */ | |
a0d0e21e | 2567 | { |
864dbfa3 | 2568 | return call_sv((SV*)get_cv(sub_name, TRUE), flags); |
a0d0e21e LW |
2569 | } |
2570 | ||
954c1994 GS |
2571 | /* |
2572 | =for apidoc p||call_method | |
2573 | ||
2574 | Performs a callback to the specified Perl method. The blessed object must | |
2575 | be on the stack. See L<perlcall>. | |
2576 | ||
2577 | =cut | |
2578 | */ | |
2579 | ||
a0d0e21e | 2580 | I32 |
864dbfa3 | 2581 | Perl_call_method(pTHX_ const char *methname, I32 flags) |
8ac85365 NIS |
2582 | /* name of the subroutine */ |
2583 | /* See G_* flags in cop.h */ | |
a0d0e21e | 2584 | { |
968b3946 | 2585 | return call_sv(sv_2mortal(newSVpv(methname,0)), flags | G_METHOD); |
a0d0e21e LW |
2586 | } |
2587 | ||
2588 | /* May be called with any of a CV, a GV, or an SV containing the name. */ | |
954c1994 GS |
2589 | /* |
2590 | =for apidoc p||call_sv | |
2591 | ||
2592 | Performs a callback to the Perl sub whose name is in the SV. See | |
2593 | L<perlcall>. | |
2594 | ||
2595 | =cut | |
2596 | */ | |
2597 | ||
a0d0e21e | 2598 | I32 |
864dbfa3 | 2599 | Perl_call_sv(pTHX_ SV *sv, I32 flags) |
8ac85365 | 2600 | /* See G_* flags in cop.h */ |
a0d0e21e | 2601 | { |
27da23d5 | 2602 | dVAR; dSP; |
a0d0e21e | 2603 | LOGOP myop; /* fake syntax tree node */ |
968b3946 | 2604 | UNOP method_op; |
aa689395 | 2605 | I32 oldmark; |
8ea43dc8 | 2606 | VOL I32 retval = 0; |
a0d0e21e | 2607 | I32 oldscope; |
54310121 | 2608 | bool oldcatch = CATCH_GET; |
6224f72b | 2609 | int ret; |
c4420975 | 2610 | OP* const oldop = PL_op; |
db36c5a1 | 2611 | dJMPENV; |
1e422769 | 2612 | |
a0d0e21e LW |
2613 | if (flags & G_DISCARD) { |
2614 | ENTER; | |
2615 | SAVETMPS; | |
2616 | } | |
2617 | ||
aa689395 | 2618 | Zero(&myop, 1, LOGOP); |
5f66b61c | 2619 | myop.op_next = NULL; |
f51d4af5 | 2620 | if (!(flags & G_NOARGS)) |
aa689395 | 2621 | myop.op_flags |= OPf_STACKED; |
54310121 | 2622 | myop.op_flags |= ((flags & G_VOID) ? OPf_WANT_VOID : |
2623 | (flags & G_ARRAY) ? OPf_WANT_LIST : | |
2624 | OPf_WANT_SCALAR); | |
462e5cf6 | 2625 | SAVEOP(); |
533c011a | 2626 | PL_op = (OP*)&myop; |
aa689395 | 2627 | |
3280af22 NIS |
2628 | EXTEND(PL_stack_sp, 1); |
2629 | *++PL_stack_sp = sv; | |
aa689395 | 2630 | oldmark = TOPMARK; |
3280af22 | 2631 | oldscope = PL_scopestack_ix; |
a0d0e21e | 2632 | |
3280af22 | 2633 | if (PERLDB_SUB && PL_curstash != PL_debstash |
36477c24 | 2634 | /* Handle first BEGIN of -d. */ |
3280af22 | 2635 | && (PL_DBcv || (PL_DBcv = GvCV(PL_DBsub))) |
36477c24 | 2636 | /* Try harder, since this may have been a sighandler, thus |
2637 | * curstash may be meaningless. */ | |
3280af22 | 2638 | && (SvTYPE(sv) != SVt_PVCV || CvSTASH((CV*)sv) != PL_debstash) |
491527d0 | 2639 | && !(flags & G_NODEBUG)) |
533c011a | 2640 | PL_op->op_private |= OPpENTERSUB_DB; |
a0d0e21e | 2641 | |
968b3946 GS |
2642 | if (flags & G_METHOD) { |
2643 | Zero(&method_op, 1, UNOP); | |
2644 | method_op.op_next = PL_op; | |
2645 | method_op.op_ppaddr = PL_ppaddr[OP_METHOD]; | |
2646 | myop.op_ppaddr = PL_ppaddr[OP_ENTERSUB]; | |
f39d0b86 | 2647 | PL_op = (OP*)&method_op; |
968b3946 GS |
2648 | } |
2649 | ||
312caa8e | 2650 | if (!(flags & G_EVAL)) { |
0cdb2077 | 2651 | CATCH_SET(TRUE); |
d6f07c05 | 2652 | CALL_BODY_SUB((OP*)&myop); |
312caa8e | 2653 | retval = PL_stack_sp - (PL_stack_base + oldmark); |
0253cb41 | 2654 | CATCH_SET(oldcatch); |
312caa8e CS |
2655 | } |
2656 | else { | |
d78bda3d | 2657 | myop.op_other = (OP*)&myop; |
3280af22 | 2658 | PL_markstack_ptr--; |
edb2152a | 2659 | create_eval_scope(flags|G_FAKINGEVAL); |
3280af22 | 2660 | PL_markstack_ptr++; |
a0d0e21e | 2661 | |
14dd3ad8 | 2662 | JMPENV_PUSH(ret); |
edb2152a | 2663 | |
6224f72b GS |
2664 | switch (ret) { |
2665 | case 0: | |
14dd3ad8 | 2666 | redo_body: |
d6f07c05 | 2667 | CALL_BODY_SUB((OP*)&myop); |
312caa8e CS |
2668 | retval = PL_stack_sp - (PL_stack_base + oldmark); |
2669 | if (!(flags & G_KEEPERR)) | |
c69006e4 | 2670 | sv_setpvn(ERRSV,"",0); |
a0d0e21e | 2671 | break; |
6224f72b | 2672 | case 1: |
f86702cc | 2673 | STATUS_ALL_FAILURE; |
a0d0e21e | 2674 | /* FALL THROUGH */ |
6224f72b | 2675 | case 2: |
a0d0e21e | 2676 | /* my_exit() was called */ |
3280af22 | 2677 | PL_curstash = PL_defstash; |
a0d0e21e | 2678 | FREETMPS; |
14dd3ad8 | 2679 | JMPENV_POP; |
cc3604b1 | 2680 | if (PL_statusvalue && !(PL_exit_flags & PERL_EXIT_EXPECTED)) |
cea2e8a9 | 2681 | Perl_croak(aTHX_ "Callback called exit"); |
f86702cc | 2682 | my_exit_jump(); |
a0d0e21e | 2683 | /* NOTREACHED */ |
6224f72b | 2684 | case 3: |
3280af22 | 2685 | if (PL_restartop) { |
533c011a | 2686 | PL_op = PL_restartop; |
3280af22 | 2687 | PL_restartop = 0; |
312caa8e | 2688 | goto redo_body; |
a0d0e21e | 2689 | } |
3280af22 | 2690 | PL_stack_sp = PL_stack_base + oldmark; |
a0d0e21e LW |
2691 | if (flags & G_ARRAY) |
2692 | retval = 0; | |
2693 | else { | |
2694 | retval = 1; | |
3280af22 | 2695 | *++PL_stack_sp = &PL_sv_undef; |
a0d0e21e | 2696 | } |
312caa8e | 2697 | break; |
a0d0e21e | 2698 | } |
a0d0e21e | 2699 | |
edb2152a NC |
2700 | if (PL_scopestack_ix > oldscope) |
2701 | delete_eval_scope(); | |
14dd3ad8 | 2702 | JMPENV_POP; |
a0d0e21e | 2703 | } |
1e422769 | 2704 | |
a0d0e21e | 2705 | if (flags & G_DISCARD) { |
3280af22 | 2706 | PL_stack_sp = PL_stack_base + oldmark; |
a0d0e21e LW |
2707 | retval = 0; |
2708 | FREETMPS; | |
2709 | LEAVE; | |
2710 | } | |
533c011a | 2711 | PL_op = oldop; |
a0d0e21e LW |
2712 | return retval; |
2713 | } | |
2714 | ||
6e72f9df | 2715 | /* Eval a string. The G_EVAL flag is always assumed. */ |
8990e307 | 2716 | |
954c1994 GS |
2717 | /* |
2718 | =for apidoc p||eval_sv | |
2719 | ||
2720 | Tells Perl to C<eval> the string in the SV. | |
2721 | ||
2722 | =cut | |
2723 | */ | |
2724 | ||
a0d0e21e | 2725 | I32 |
864dbfa3 | 2726 | Perl_eval_sv(pTHX_ SV *sv, I32 flags) |
ac27b0f5 | 2727 | |
8ac85365 | 2728 | /* See G_* flags in cop.h */ |
a0d0e21e | 2729 | { |
97aff369 | 2730 | dVAR; |
924508f0 | 2731 | dSP; |
a0d0e21e | 2732 | UNOP myop; /* fake syntax tree node */ |
8ea43dc8 SP |
2733 | VOL I32 oldmark = SP - PL_stack_base; |
2734 | VOL I32 retval = 0; | |
6224f72b | 2735 | int ret; |
c4420975 | 2736 | OP* const oldop = PL_op; |
db36c5a1 | 2737 | dJMPENV; |
84902520 | 2738 | |
4633a7c4 LW |
2739 | if (flags & G_DISCARD) { |
2740 | ENTER; | |
2741 | SAVETMPS; | |
2742 | } | |
2743 | ||
462e5cf6 | 2744 | SAVEOP(); |
533c011a NIS |
2745 | PL_op = (OP*)&myop; |
2746 | Zero(PL_op, 1, UNOP); | |
3280af22 NIS |
2747 | EXTEND(PL_stack_sp, 1); |
2748 | *++PL_stack_sp = sv; | |
79072805 | 2749 | |
4633a7c4 LW |
2750 | if (!(flags & G_NOARGS)) |
2751 | myop.op_flags = OPf_STACKED; | |
5f66b61c | 2752 | myop.op_next = NULL; |
6e72f9df | 2753 | myop.op_type = OP_ENTEREVAL; |
54310121 | 2754 | myop.op_flags |= ((flags & G_VOID) ? OPf_WANT_VOID : |
2755 | (flags & G_ARRAY) ? OPf_WANT_LIST : | |
2756 | OPf_WANT_SCALAR); | |
6e72f9df | 2757 | if (flags & G_KEEPERR) |
2758 | myop.op_flags |= OPf_SPECIAL; | |
4633a7c4 | 2759 | |
dedbcade DM |
2760 | /* fail now; otherwise we could fail after the JMPENV_PUSH but |
2761 | * before a PUSHEVAL, which corrupts the stack after a croak */ | |
2762 | TAINT_PROPER("eval_sv()"); | |
2763 | ||
14dd3ad8 | 2764 | JMPENV_PUSH(ret); |
6224f72b GS |
2765 | switch (ret) { |
2766 | case 0: | |
14dd3ad8 | 2767 | redo_body: |
d6f07c05 | 2768 | CALL_BODY_EVAL((OP*)&myop); |
312caa8e CS |
2769 | retval = PL_stack_sp - (PL_stack_base + oldmark); |
2770 | if (!(flags & G_KEEPERR)) | |
c69006e4 | 2771 | sv_setpvn(ERRSV,"",0); |
4633a7c4 | 2772 | break; |
6224f72b | 2773 | case 1: |
f86702cc | 2774 | STATUS_ALL_FAILURE; |
4633a7c4 | 2775 | /* FALL THROUGH */ |
6224f72b | 2776 | case 2: |
4633a7c4 | 2777 | /* my_exit() was called */ |
3280af22 | 2778 | PL_curstash = PL_defstash; |
4633a7c4 | 2779 | FREETMPS; |
14dd3ad8 | 2780 | JMPENV_POP; |
cc3604b1 | 2781 | if (PL_statusvalue && !(PL_exit_flags & PERL_EXIT_EXPECTED)) |
cea2e8a9 | 2782 | Perl_croak(aTHX_ "Callback called exit"); |
f86702cc | 2783 | my_exit_jump(); |
4633a7c4 | 2784 | /* NOTREACHED */ |
6224f72b | 2785 | case 3: |
3280af22 | 2786 | if (PL_restartop) { |
533c011a | 2787 | PL_op = PL_restartop; |
3280af22 | 2788 | PL_restartop = 0; |
312caa8e | 2789 | goto redo_body; |
4633a7c4 | 2790 | } |
3280af22 | 2791 | PL_stack_sp = PL_stack_base + oldmark; |
4633a7c4 LW |
2792 | if (flags & G_ARRAY) |
2793 | retval = 0; | |
2794 | else { | |
2795 | retval = 1; | |
3280af22 | 2796 | *++PL_stack_sp = &PL_sv_undef; |
4633a7c4 | 2797 | } |
312caa8e | 2798 | break; |
4633a7c4 LW |
2799 | } |
2800 | ||
14dd3ad8 | 2801 | JMPENV_POP; |
4633a7c4 | 2802 | if (flags & G_DISCARD) { |
3280af22 | 2803 | PL_stack_sp = PL_stack_base + oldmark; |
4633a7c4 LW |
2804 | retval = 0; |
2805 | FREETMPS; | |
2806 | LEAVE; | |
2807 | } | |
533c011a | 2808 | PL_op = oldop; |
4633a7c4 LW |
2809 | return retval; |
2810 | } | |
2811 | ||
954c1994 GS |
2812 | /* |
2813 | =for apidoc p||eval_pv | |
2814 | ||
2815 | Tells Perl to C<eval> the given string and return an SV* result. | |
2816 | ||
2817 | =cut | |
2818 | */ | |
2819 | ||
137443ea | 2820 | SV* |
864dbfa3 | 2821 | Perl_eval_pv(pTHX_ const char *p, I32 croak_on_error) |
137443ea | 2822 | { |
97aff369 | 2823 | dVAR; |
137443ea | 2824 | dSP; |
2825 | SV* sv = newSVpv(p, 0); | |
2826 | ||
864dbfa3 | 2827 | eval_sv(sv, G_SCALAR); |
137443ea | 2828 | SvREFCNT_dec(sv); |
2829 | ||
2830 | SPAGAIN; | |
2831 | sv = POPs; | |
2832 | PUTBACK; | |
2833 | ||
2d8e6c8d | 2834 | if (croak_on_error && SvTRUE(ERRSV)) { |
0510663f | 2835 | Perl_croak(aTHX_ SvPVx_nolen_const(ERRSV)); |
2d8e6c8d | 2836 | } |
137443ea | 2837 | |
2838 | return sv; | |
2839 | } | |
2840 | ||
4633a7c4 LW |
2841 | /* Require a module. */ |
2842 | ||
954c1994 | 2843 | /* |
ccfc67b7 JH |
2844 | =head1 Embedding Functions |
2845 | ||
954c1994 GS |
2846 | =for apidoc p||require_pv |
2847 | ||
7d3fb230 BS |
2848 | Tells Perl to C<require> the file named by the string argument. It is |
2849 | analogous to the Perl code C<eval "require '$file'">. It's even | |
2307c6d0 | 2850 | implemented that way; consider using load_module instead. |
954c1994 | 2851 | |
7d3fb230 | 2852 | =cut */ |
954c1994 | 2853 | |
4633a7c4 | 2854 | void |
864dbfa3 | 2855 | Perl_require_pv(pTHX_ const char *pv) |
4633a7c4 | 2856 | { |
97aff369 | 2857 | dVAR; |
d3acc0f7 | 2858 | dSP; |
97aff369 | 2859 | SV* sv; |
e788e7d3 | 2860 | PUSHSTACKi(PERLSI_REQUIRE); |
d3acc0f7 | 2861 | PUTBACK; |
be41e5d9 NC |
2862 | sv = Perl_newSVpvf(aTHX_ "require q%c%s%c", 0, pv, 0); |
2863 | eval_sv(sv_2mortal(sv), G_DISCARD); | |
d3acc0f7 JP |
2864 | SPAGAIN; |
2865 | POPSTACK; | |
79072805 LW |
2866 | } |
2867 | ||
79072805 | 2868 | void |
e1ec3a88 | 2869 | Perl_magicname(pTHX_ const char *sym, const char *name, I32 namlen) |
79072805 | 2870 | { |
71315bf2 | 2871 | register GV * const gv = gv_fetchpv(sym, GV_ADD, SVt_PV); |
79072805 | 2872 | |
c4420975 | 2873 | if (gv) |
14befaf4 | 2874 | sv_magic(GvSV(gv), (SV*)gv, PERL_MAGIC_sv, name, namlen); |
79072805 LW |
2875 | } |
2876 | ||
76e3520e | 2877 | STATIC void |
e1ec3a88 | 2878 | S_usage(pTHX_ const char *name) /* XXX move this out into a module ? */ |
4633a7c4 | 2879 | { |
ab821d7f | 2880 | /* This message really ought to be max 23 lines. |
75c72d73 | 2881 | * Removed -h because the user already knows that option. Others? */ |
fb73857a | 2882 | |
27da23d5 | 2883 | static const char * const usage_msg[] = { |
aefc56c5 SF |
2884 | "-0[octal] specify record separator (\\0, if no argument)", |
2885 | "-A[mod][=pattern] activate all/given assertions", | |
2886 | "-a autosplit mode with -n or -p (splits $_ into @F)", | |
2887 | "-C[number/list] enables the listed Unicode features", | |
2888 | "-c check syntax only (runs BEGIN and CHECK blocks)", | |
2889 | "-d[:debugger] run program under debugger", | |
2890 | "-D[number/list] set debugging flags (argument is a bit mask or alphabets)", | |
2891 | "-e program one line of program (several -e's allowed, omit programfile)", | |
bc9b29db | 2892 | "-E program like -e, but enables all optional features", |
aefc56c5 | 2893 | "-f don't do $sitelib/sitecustomize.pl at startup", |
aefc56c5 SF |
2894 | "-F/pattern/ split() pattern for -a switch (//'s are optional)", |
2895 | "-i[extension] edit <> files in place (makes backup if extension supplied)", | |
2896 | "-Idirectory specify @INC/#include directory (several -I's allowed)", | |
2897 | "-l[octal] enable line ending processing, specifies line terminator", | |
2898 | "-[mM][-]module execute \"use/no module...\" before executing program", | |
2899 | "-n assume \"while (<>) { ... }\" loop around program", | |
2900 | "-p assume loop like -n but print line also, like sed", | |
2901 | "-P run program through C preprocessor before compilation", | |
2902 | "-s enable rudimentary parsing for switches after programfile", | |
2903 | "-S look for programfile using PATH environment variable", | |
2904 | "-t enable tainting warnings", | |
2905 | "-T enable tainting checks", | |
2906 | "-u dump core after parsing program", | |
2907 | "-U allow unsafe operations", | |
2908 | "-v print version, subversion (includes VERY IMPORTANT perl info)", | |
2909 | "-V[:variable] print configuration summary (or a single Config.pm variable)", | |
2910 | "-w enable many useful warnings (RECOMMENDED)", | |
2911 | "-W enable all warnings", | |
2912 | "-x[directory] strip off text before #!perl line and perhaps cd to directory", | |
2913 | "-X disable all warnings", | |
fb73857a | 2914 | "\n", |
2915 | NULL | |
2916 | }; | |
27da23d5 | 2917 | const char * const *p = usage_msg; |
fb73857a | 2918 | |
b0e47665 GS |
2919 | PerlIO_printf(PerlIO_stdout(), |
2920 | "\nUsage: %s [switches] [--] [programfile] [arguments]", | |
2921 | name); | |
fb73857a | 2922 | while (*p) |
b0e47665 | 2923 | PerlIO_printf(PerlIO_stdout(), "\n %s", *p++); |
4633a7c4 LW |
2924 | } |
2925 | ||
b4ab917c DM |
2926 | /* convert a string of -D options (or digits) into an int. |
2927 | * sets *s to point to the char after the options */ | |
2928 | ||
2929 | #ifdef DEBUGGING | |
2930 | int | |
e1ec3a88 | 2931 | Perl_get_debug_opts(pTHX_ const char **s, bool givehelp) |
b4ab917c | 2932 | { |
27da23d5 | 2933 | static const char * const usage_msgd[] = { |
e6e64d9b JC |
2934 | " Debugging flag values: (see also -d)", |
2935 | " p Tokenizing and parsing (with v, displays parse stack)", | |
3679267a | 2936 | " s Stack snapshots (with v, displays all stacks)", |
e6e64d9b JC |
2937 | " l Context (loop) stack processing", |
2938 | " t Trace execution", | |
2939 | " o Method and overloading resolution", | |
2940 | " c String/numeric conversions", | |
2941 | " P Print profiling info, preprocessor command for -P, source file input state", | |
2942 | " m Memory allocation", | |
2943 | " f Format processing", | |
2944 | " r Regular expression parsing and execution", | |
2945 | " x Syntax tree dump", | |
3679267a | 2946 | " u Tainting checks", |
e6e64d9b JC |
2947 | " H Hash dump -- usurps values()", |
2948 | " X Scratchpad allocation", | |
2949 | " D Cleaning up", | |
2950 | " S Thread synchronization", | |
2951 | " T Tokenising", | |
2952 | " R Include reference counts of dumped variables (eg when using -Ds)", | |
2953 | " J Do not s,t,P-debug (Jump over) opcodes within package DB", | |
2954 | " v Verbose: use in conjunction with other flags", | |
2955 | " C Copy On Write", | |
2956 | " A Consistency checks on internal structures", | |
3679267a | 2957 | " q quiet - currently only suppresses the 'EXECUTING' message", |
e6e64d9b JC |
2958 | NULL |
2959 | }; | |
b4ab917c DM |
2960 | int i = 0; |
2961 | if (isALPHA(**s)) { | |
2962 | /* if adding extra options, remember to update DEBUG_MASK */ | |
88d2d28a | 2963 | static const char debopts[] = "psltocPmfrxuUHXDSTRJvCAq"; |
b4ab917c DM |
2964 | |
2965 | for (; isALNUM(**s); (*s)++) { | |
c4420975 | 2966 | const char * const d = strchr(debopts,**s); |
b4ab917c DM |
2967 | if (d) |
2968 | i |= 1 << (d - debopts); | |
2969 | else if (ckWARN_d(WARN_DEBUGGING)) | |
e6e64d9b JC |
2970 | Perl_warner(aTHX_ packWARN(WARN_DEBUGGING), |
2971 | "invalid option -D%c, use -D'' to see choices\n", **s); | |
b4ab917c DM |
2972 | } |
2973 | } | |
e6e64d9b | 2974 | else if (isDIGIT(**s)) { |
b4ab917c DM |
2975 | i = atoi(*s); |
2976 | for (; isALNUM(**s); (*s)++) ; | |
2977 | } | |
ddcf8bc1 | 2978 | else if (givehelp) { |
06e869a4 | 2979 | const char *const *p = usage_msgd; |
e6e64d9b JC |
2980 | while (*p) PerlIO_printf(PerlIO_stdout(), "%s\n", *p++); |
2981 | } | |
b4ab917c DM |
2982 | # ifdef EBCDIC |
2983 | if ((i & DEBUG_p_FLAG) && ckWARN_d(WARN_DEBUGGING)) | |
2984 | Perl_warner(aTHX_ packWARN(WARN_DEBUGGING), | |
2985 | "-Dp not implemented on this platform\n"); | |
2986 | # endif | |
2987 | return i; | |
2988 | } | |
2989 | #endif | |
2990 | ||
79072805 LW |
2991 | /* This routine handles any switches that can be given during run */ |
2992 | ||
2993 | char * | |
97bd5664 | 2994 | Perl_moreswitches(pTHX_ char *s) |
79072805 | 2995 | { |
27da23d5 | 2996 | dVAR; |
84c133a0 | 2997 | UV rschar; |
79072805 LW |
2998 | |
2999 | switch (*s) { | |
3000 | case '0': | |
a863c7d1 | 3001 | { |
f2095865 | 3002 | I32 flags = 0; |
a3b680e6 | 3003 | STRLEN numlen; |
f2095865 JH |
3004 | |
3005 | SvREFCNT_dec(PL_rs); | |
3006 | if (s[1] == 'x' && s[2]) { | |
a3b680e6 | 3007 | const char *e = s+=2; |
f2095865 JH |
3008 | U8 *tmps; |
3009 | ||
a3b680e6 AL |
3010 | while (*e) |
3011 | e++; | |
f2095865 JH |
3012 | numlen = e - s; |
3013 | flags = PERL_SCAN_SILENT_ILLDIGIT; | |
3014 | rschar = (U32)grok_hex(s, &numlen, &flags, NULL); | |
3015 | if (s + numlen < e) { | |
3016 | rschar = 0; /* Grandfather -0xFOO as -0 -xFOO. */ | |
3017 | numlen = 0; | |
3018 | s--; | |
3019 | } | |
396482e1 | 3020 | PL_rs = newSVpvs(""); |
c5661c80 | 3021 | SvGROW(PL_rs, (STRLEN)(UNISKIP(rschar) + 1)); |
f2095865 JH |
3022 | tmps = (U8*)SvPVX(PL_rs); |
3023 | uvchr_to_utf8(tmps, rschar); | |
3024 | SvCUR_set(PL_rs, UNISKIP(rschar)); | |
3025 | SvUTF8_on(PL_rs); | |
3026 | } | |
3027 | else { | |
3028 | numlen = 4; | |
3029 | rschar = (U32)grok_oct(s, &numlen, &flags, NULL); | |
3030 | if (rschar & ~((U8)~0)) | |
3031 | PL_rs = &PL_sv_undef; | |
3032 | else if (!rschar && numlen >= 2) | |
396482e1 | 3033 | PL_rs = newSVpvs(""); |
f2095865 JH |
3034 | else { |
3035 | char ch = (char)rschar; | |
3036 | PL_rs = newSVpvn(&ch, 1); | |
3037 | } | |
3038 | } | |
800633c3 | 3039 | sv_setsv(get_sv("/", TRUE), PL_rs); |
f2095865 | 3040 | return s + numlen; |
a863c7d1 | 3041 | } |
46487f74 | 3042 | case 'C': |
a05d7ebb | 3043 | s++; |
dd374669 | 3044 | PL_unicode = parse_unicode_opts( (const char **)&s ); |
5a22a2bb NC |
3045 | if (PL_unicode & PERL_UNICODE_UTF8CACHEASSERT_FLAG) |
3046 | PL_utf8cache = -1; | |
46487f74 | 3047 | return s; |
2304df62 | 3048 | case 'F': |
3280af22 | 3049 | PL_minus_F = TRUE; |
ebce5377 RGS |
3050 | PL_splitstr = ++s; |
3051 | while (*s && !isSPACE(*s)) ++s; | |
e49e380e | 3052 | PL_splitstr = savepvn(PL_splitstr, s - PL_splitstr); |
2304df62 | 3053 | return s; |
79072805 | 3054 | case 'a': |
3280af22 | 3055 | PL_minus_a = TRUE; |
79072805 LW |
3056 | s++; |
3057 | return s; | |
3058 | case 'c': | |
3280af22 | 3059 | PL_minus_c = TRUE; |
79072805 LW |
3060 | s++; |
3061 | return s; | |
3062 | case 'd': | |
97bd5664 | 3063 | forbid_setid('d', -1); |
4633a7c4 | 3064 | s++; |
2cbb2ee1 RGS |
3065 | |
3066 | /* -dt indicates to the debugger that threads will be used */ | |
3067 | if (*s == 't' && !isALNUM(s[1])) { | |
3068 | ++s; | |
3069 | my_setenv("PERL5DB_THREADED", "1"); | |
3070 | } | |
3071 | ||
70c94a19 RR |
3072 | /* The following permits -d:Mod to accepts arguments following an = |
3073 | in the fashion that -MSome::Mod does. */ | |
3074 | if (*s == ':' || *s == '=') { | |
06b5626a | 3075 | const char *start; |
396482e1 | 3076 | SV * const sv = newSVpvs("use Devel::"); |
70c94a19 RR |
3077 | start = ++s; |
3078 | /* We now allow -d:Module=Foo,Bar */ | |
3079 | while(isALNUM(*s) || *s==':') ++s; | |
3080 | if (*s != '=') | |
3081 | sv_catpv(sv, start); | |
3082 | else { | |
3083 | sv_catpvn(sv, start, s-start); | |
95a2b409 RGS |
3084 | /* Don't use NUL as q// delimiter here, this string goes in the |
3085 | * environment. */ | |
3086 | Perl_sv_catpvf(aTHX_ sv, " split(/,/,q{%s});", ++s); | |
70c94a19 | 3087 | } |
4633a7c4 | 3088 | s += strlen(s); |
184f32ec | 3089 | my_setenv("PERL5DB", SvPV_nolen_const(sv)); |
4633a7c4 | 3090 | } |
ed094faf | 3091 | if (!PL_perldb) { |
3280af22 | 3092 | PL_perldb = PERLDB_ALL; |
a0d0e21e | 3093 | init_debugger(); |
ed094faf | 3094 | } |
79072805 LW |
3095 | return s; |
3096 | case 'D': | |
0453d815 | 3097 | { |
79072805 | 3098 | #ifdef DEBUGGING |
97bd5664 | 3099 | forbid_setid('D', -1); |
b4ab917c | 3100 | s++; |
dd374669 | 3101 | PL_debug = get_debug_opts( (const char **)&s, 1) | DEBUG_TOP_FLAG; |
12a43e32 | 3102 | #else /* !DEBUGGING */ |
0453d815 | 3103 | if (ckWARN_d(WARN_DEBUGGING)) |
9014280d | 3104 | Perl_warner(aTHX_ packWARN(WARN_DEBUGGING), |
e6e64d9b | 3105 | "Recompile perl with -DDEBUGGING to use -D switch (did you mean -d ?)\n"); |
a0d0e21e | 3106 | for (s++; isALNUM(*s); s++) ; |
79072805 | 3107 | #endif |
79072805 | 3108 | return s; |
0453d815 | 3109 | } |
4633a7c4 | 3110 | case 'h': |
ac27b0f5 | 3111 | usage(PL_origargv[0]); |
7ca617d0 | 3112 | my_exit(0); |
79072805 | 3113 | case 'i': |
43c5f42d | 3114 | Safefree(PL_inplace); |
c030f24b GH |
3115 | #if defined(__CYGWIN__) /* do backup extension automagically */ |
3116 | if (*(s+1) == '\0') { | |
c86a4f2e | 3117 | PL_inplace = savepvs(".bak"); |
c030f24b GH |
3118 | return s+1; |
3119 | } | |
3120 | #endif /* __CYGWIN__ */ | |
5ef5d758 | 3121 | { |
d4c19fe8 | 3122 | const char * const start = ++s; |
5ef5d758 NC |
3123 | while (*s && !isSPACE(*s)) |
3124 | ++s; | |
3125 | ||
3126 | PL_inplace = savepvn(start, s - start); | |
3127 | } | |
7b8d334a | 3128 | if (*s) { |
5ef5d758 | 3129 | ++s; |
7b8d334a | 3130 | if (*s == '-') /* Additional switches on #! line. */ |
5ef5d758 | 3131 | s++; |
7b8d334a | 3132 | } |
fb73857a | 3133 | return s; |
4e49a025 | 3134 | case 'I': /* -I handled both here and in parse_body() */ |
97bd5664 | 3135 | forbid_setid('I', -1); |
fb73857a | 3136 | ++s; |
3137 | while (*s && isSPACE(*s)) | |
3138 | ++s; | |
3139 | if (*s) { | |
774d564b | 3140 | char *e, *p; |
0df16ed7 GS |
3141 | p = s; |
3142 | /* ignore trailing spaces (possibly followed by other switches) */ | |
3143 | do { | |
3144 | for (e = p; *e && !isSPACE(*e); e++) ; | |
3145 | p = e; | |
3146 | while (isSPACE(*p)) | |
3147 | p++; | |
3148 | } while (*p && *p != '-'); | |
3149 | e = savepvn(s, e-s); | |
88fe16b2 | 3150 | incpush(e, TRUE, TRUE, FALSE, FALSE); |
0df16ed7 GS |
3151 | Safefree(e); |
3152 | s = p; | |
3153 | if (*s == '-') | |
3154 | s++; | |
79072805 LW |
3155 | } |
3156 | else | |
a67e862a | 3157 | Perl_croak(aTHX_ "No directory specified for -I"); |
fb73857a | 3158 | return s; |
79072805 | 3159 | case 'l': |
3280af22 | 3160 | PL_minus_l = TRUE; |
79072805 | 3161 | s++; |
7889fe52 NIS |
3162 | if (PL_ors_sv) { |
3163 | SvREFCNT_dec(PL_ors_sv); | |
a0714e2c | 3164 | PL_ors_sv = NULL; |
7889fe52 | 3165 | } |
79072805 | 3166 | if (isDIGIT(*s)) { |
53305cf1 | 3167 | I32 flags = 0; |
a3b680e6 | 3168 | STRLEN numlen; |
396482e1 | 3169 | PL_ors_sv = newSVpvs("\n"); |
53305cf1 NC |
3170 | numlen = 3 + (*s == '0'); |
3171 | *SvPVX(PL_ors_sv) = (char)grok_oct(s, &numlen, &flags, NULL); | |
79072805 LW |
3172 | s += numlen; |
3173 | } | |
3174 | else { | |
8bfdd7d9 | 3175 | if (RsPARA(PL_rs)) { |
396482e1 | 3176 | PL_ors_sv = newSVpvs("\n\n"); |
7889fe52 NIS |
3177 | } |
3178 | else { | |
8bfdd7d9 | 3179 | PL_ors_sv = newSVsv(PL_rs); |
c07a80fd | 3180 | } |
79072805 LW |
3181 | } |
3182 | return s; | |
06492da6 | 3183 | case 'A': |
97bd5664 | 3184 | forbid_setid('A', -1); |
930366bd RGS |
3185 | if (!PL_preambleav) |
3186 | PL_preambleav = newAV(); | |
aefc56c5 SF |
3187 | s++; |
3188 | { | |
44f8325f | 3189 | char * const start = s; |
396482e1 | 3190 | SV * const sv = newSVpvs("use assertions::activate"); |
aefc56c5 SF |
3191 | while(isALNUM(*s) || *s == ':') ++s; |
3192 | if (s != start) { | |
396482e1 | 3193 | sv_catpvs(sv, "::"); |
aefc56c5 SF |
3194 | sv_catpvn(sv, start, s-start); |
3195 | } | |
3196 | if (*s == '=') { | |
0c5a913d | 3197 | Perl_sv_catpvf(aTHX_ sv, " split(/,/,q%c%s%c)", 0, ++s, 0); |
aefc56c5 SF |
3198 | s+=strlen(s); |
3199 | } | |
3200 | else if (*s != '\0') { | |
551405c4 | 3201 | Perl_croak(aTHX_ "Can't use '%c' after -A%.*s", *s, (int)(s-start), start); |
aefc56c5 | 3202 | } |
06492da6 | 3203 | av_push(PL_preambleav, sv); |
aefc56c5 | 3204 | return s; |
06492da6 | 3205 | } |
1a30305b | 3206 | case 'M': |
97bd5664 | 3207 | forbid_setid('M', -1); /* XXX ? */ |
1a30305b | 3208 | /* FALL THROUGH */ |
3209 | case 'm': | |
97bd5664 | 3210 | forbid_setid('m', -1); /* XXX ? */ |
1a30305b | 3211 | if (*++s) { |
a5f75d66 | 3212 | char *start; |
11343788 | 3213 | SV *sv; |
e1ec3a88 | 3214 | const char *use = "use "; |
a5f75d66 | 3215 | /* -M-foo == 'no foo' */ |
d0043bd1 NC |
3216 | /* Leading space on " no " is deliberate, to make both |
3217 | possibilities the same length. */ | |
3218 | if (*s == '-') { use = " no "; ++s; } | |
3219 | sv = newSVpvn(use,4); | |
a5f75d66 | 3220 | start = s; |
1a30305b | 3221 | /* We allow -M'Module qw(Foo Bar)' */ |
c07a80fd | 3222 | while(isALNUM(*s) || *s==':') ++s; |
3223 | if (*s != '=') { | |
11343788 | 3224 | sv_catpv(sv, start); |
c07a80fd | 3225 | if (*(start-1) == 'm') { |
3226 | if (*s != '\0') | |
cea2e8a9 | 3227 | Perl_croak(aTHX_ "Can't use '%c' after -mname", *s); |
396482e1 | 3228 | sv_catpvs( sv, " ()"); |
c07a80fd | 3229 | } |
3230 | } else { | |
6df41af2 | 3231 | if (s == start) |
be98fb35 GS |
3232 | Perl_croak(aTHX_ "Module name required with -%c option", |
3233 | s[-1]); | |
11343788 | 3234 | sv_catpvn(sv, start, s-start); |
396482e1 GA |
3235 | sv_catpvs(sv, " split(/,/,q"); |
3236 | sv_catpvs(sv, "\0"); /* Use NUL as q//-delimiter. */ | |
11343788 | 3237 | sv_catpv(sv, ++s); |
396482e1 | 3238 | sv_catpvs(sv, "\0)"); |
c07a80fd | 3239 | } |
1a30305b | 3240 | s += strlen(s); |
5c831c24 | 3241 | if (!PL_preambleav) |
3280af22 NIS |
3242 | PL_preambleav = newAV(); |
3243 | av_push(PL_preambleav, sv); | |
1a30305b | 3244 | } |
3245 | else | |
9e81e6a1 | 3246 | Perl_croak(aTHX_ "Missing argument to -%c", *(s-1)); |
1a30305b | 3247 | return s; |
79072805 | 3248 | case 'n': |
3280af22 | 3249 | PL_minus_n = TRUE; |
79072805 LW |
3250 | s++; |
3251 | return s; | |
3252 | case 'p': | |
3280af22 | 3253 | PL_minus_p = TRUE; |
79072805 LW |
3254 | s++; |
3255 | return s; | |
3256 | case 's': | |
97bd5664 | 3257 | forbid_setid('s', -1); |
3280af22 | 3258 | PL_doswitches = TRUE; |
79072805 LW |
3259 | s++; |
3260 | return s; | |
6537fe72 MS |
3261 | case 't': |
3262 | if (!PL_tainting) | |
22f7c9c9 | 3263 | TOO_LATE_FOR('t'); |
6537fe72 MS |
3264 | s++; |
3265 | return s; | |
463ee0b2 | 3266 | case 'T': |
3280af22 | 3267 | if (!PL_tainting) |
22f7c9c9 | 3268 | TOO_LATE_FOR('T'); |
463ee0b2 LW |
3269 | s++; |
3270 | return s; | |
79072805 | 3271 | case 'u': |
bf4acbe4 GS |
3272 | #ifdef MACOS_TRADITIONAL |
3273 | Perl_croak(aTHX_ "Believe me, you don't want to use \"-u\" on a Macintosh"); | |
3274 | #endif | |
3280af22 | 3275 | PL_do_undump = TRUE; |
79072805 LW |
3276 | s++; |
3277 | return s; | |
3278 | case 'U': | |
3280af22 | 3279 | PL_unsafe = TRUE; |
79072805 LW |
3280 | s++; |
3281 | return s; | |
3282 | case 'v': | |
d7aa5382 | 3283 | if (!sv_derived_from(PL_patchlevel, "version")) |
7a5b473e | 3284 | upg_version(PL_patchlevel); |
8e9464f1 | 3285 | #if !defined(DGUX) |
b0e47665 | 3286 | PerlIO_printf(PerlIO_stdout(), |
7850f74c GA |
3287 | Perl_form(aTHX_ "\nThis is perl, %"SVf |
3288 | #ifdef PERL_PATCHNUM | |
3289 | " DEVEL" STRINGIFY(PERL_PATCHNUM) | |
3290 | #endif | |
3291 | " built for %s", | |
be2597df | 3292 | SVfARG(vstringify(PL_patchlevel)), |
95b63a38 | 3293 | ARCHNAME)); |
8e9464f1 JH |
3294 | #else /* DGUX */ |
3295 | /* Adjust verbose output as in the perl that ships with the DG/UX OS from EMC */ | |
3296 | PerlIO_printf(PerlIO_stdout(), | |
52ea0aec | 3297 | Perl_form(aTHX_ "\nThis is perl, %"SVf"\n", |
be2597df | 3298 | SVfARG(vstringify(PL_patchlevel)))); |
8e9464f1 JH |
3299 | PerlIO_printf(PerlIO_stdout(), |
3300 | Perl_form(aTHX_ " built under %s at %s %s\n", | |
3301 | OSNAME, __DATE__, __TIME__)); | |
3302 | PerlIO_printf(PerlIO_stdout(), | |
3303 | Perl_form(aTHX_ " OS Specific Release: %s\n", | |
40a39f85 | 3304 | OSVERS)); |
8e9464f1 JH |
3305 | #endif /* !DGUX */ |
3306 | ||
fb73857a | 3307 | #if defined(LOCAL_PATCH_COUNT) |
3308 | if (LOCAL_PATCH_COUNT > 0) | |
b0e47665 GS |
3309 | PerlIO_printf(PerlIO_stdout(), |
3310 | "\n(with %d registered patch%s, " | |
3311 | "see perl -V for more detail)", | |
bb7a0f54 | 3312 | LOCAL_PATCH_COUNT, |
b0e47665 | 3313 | (LOCAL_PATCH_COUNT!=1) ? "es" : ""); |
a5f75d66 | 3314 | #endif |
1a30305b | 3315 | |
b0e47665 | 3316 | PerlIO_printf(PerlIO_stdout(), |
34ce1597 | 3317 | "\n\nCopyright 1987-2007, Larry Wall\n"); |
eae9c151 JH |
3318 | #ifdef MACOS_TRADITIONAL |
3319 | PerlIO_printf(PerlIO_stdout(), | |
be3c0a43 | 3320 | "\nMac OS port Copyright 1991-2002, Matthias Neeracher;\n" |
03765510 | 3321 | "maintained by Chris Nandor\n"); |
eae9c151 | 3322 | #endif |
79072805 | 3323 | #ifdef MSDOS |
b0e47665 GS |
3324 | PerlIO_printf(PerlIO_stdout(), |
3325 | "\nMS-DOS port Copyright (c) 1989, 1990, Diomidis Spinellis\n"); | |
55497cff | 3326 | #endif |
3327 | #ifdef DJGPP | |
b0e47665 GS |
3328 | PerlIO_printf(PerlIO_stdout(), |
3329 | "djgpp v2 port (jpl5003c) by Hirofumi Watanabe, 1996\n" | |
3330 | "djgpp v2 port (perl5004+) by Laszlo Molnar, 1997-1999\n"); | |
4633a7c4 | 3331 | #endif |
79072805 | 3332 | #ifdef OS2 |
b0e47665 GS |
3333 | PerlIO_printf(PerlIO_stdout(), |
3334 | "\n\nOS/2 port Copyright (c) 1990, 1991, Raymond Chen, Kai Uwe Rommel\n" | |
be3c0a43 | 3335 | "Version 5 port Copyright (c) 1994-2002, Andreas Kaiser, Ilya Zakharevich\n"); |
79072805 | 3336 | #endif |
79072805 | 3337 | #ifdef atarist |
b0e47665 GS |
3338 | PerlIO_printf(PerlIO_stdout(), |
3339 | "atariST series port, ++jrb bammi@cadence.com\n"); | |
79072805 | 3340 | #endif |
a3f9223b | 3341 | #ifdef __BEOS__ |
b0e47665 GS |
3342 | PerlIO_printf(PerlIO_stdout(), |
3343 | "BeOS port Copyright Tom Spindler, 1997-1999\n"); | |
a3f9223b | 3344 | #endif |
1d84e8df | 3345 | #ifdef MPE |
b0e47665 | 3346 | PerlIO_printf(PerlIO_stdout(), |
e583a879 | 3347 | "MPE/iX port Copyright by Mark Klein and Mark Bixby, 1996-2003\n"); |
1d84e8df | 3348 | #endif |
9d116dd7 | 3349 | #ifdef OEMVS |
b0e47665 GS |
3350 | PerlIO_printf(PerlIO_stdout(), |
3351 | "MVS (OS390) port by Mortice Kern Systems, 1997-1999\n"); | |
9d116dd7 | 3352 | #endif |
495c5fdc | 3353 | #ifdef __VOS__ |
b0e47665 | 3354 | PerlIO_printf(PerlIO_stdout(), |
94efb9fb | 3355 | "Stratus VOS port by Paul.Green@stratus.com, 1997-2002\n"); |
495c5fdc | 3356 | #endif |
092bebab | 3357 | #ifdef __OPEN_VM |
b0e47665 GS |
3358 | PerlIO_printf(PerlIO_stdout(), |
3359 | "VM/ESA port by Neale Ferguson, 1998-1999\n"); | |
092bebab | 3360 | #endif |
a1a0e61e | 3361 | #ifdef POSIX_BC |
b0e47665 GS |
3362 | PerlIO_printf(PerlIO_stdout(), |
3363 | "BS2000 (POSIX) port by Start Amadeus GmbH, 1998-1999\n"); | |
a1a0e61e | 3364 | #endif |
61ae2fbf | 3365 | #ifdef __MINT__ |
b0e47665 GS |
3366 | PerlIO_printf(PerlIO_stdout(), |
3367 | "MiNT port by Guido Flohr, 1997-1999\n"); | |
61ae2fbf | 3368 | #endif |
f83d2536 | 3369 | #ifdef EPOC |
b0e47665 | 3370 | PerlIO_printf(PerlIO_stdout(), |
be3c0a43 | 3371 | "EPOC port by Olaf Flebbe, 1999-2002\n"); |
f83d2536 | 3372 | #endif |
e1caacb4 | 3373 | #ifdef UNDER_CE |
b475b3e6 JH |
3374 | PerlIO_printf(PerlIO_stdout(),"WINCE port by Rainer Keuchel, 2001-2002\n"); |
3375 | PerlIO_printf(PerlIO_stdout(),"Built on " __DATE__ " " __TIME__ "\n\n"); | |
e1caacb4 JH |
3376 | wce_hitreturn(); |
3377 | #endif | |
a0fd4948 | 3378 | #ifdef __SYMBIAN32__ |
27da23d5 JH |
3379 | PerlIO_printf(PerlIO_stdout(), |
3380 | "Symbian port by Nokia, 2004-2005\n"); | |
3381 | #endif | |
baed7233 DL |
3382 | #ifdef BINARY_BUILD_NOTICE |
3383 | BINARY_BUILD_NOTICE; | |
3384 | #endif | |
b0e47665 GS |
3385 | PerlIO_printf(PerlIO_stdout(), |
3386 | "\n\ | |
79072805 | 3387 | Perl may be copied only under the terms of either the Artistic License or the\n\ |
3d6f292d | 3388 | GNU General Public License, which may be found in the Perl 5 source kit.\n\n\ |
95103687 | 3389 | Complete documentation for Perl, including FAQ lists, should be found on\n\ |
a0288114 | 3390 | this system using \"man perl\" or \"perldoc perl\". If you have access to the\n\ |
c9e30dd8 | 3391 | Internet, point your browser at http://www.perl.org/, the Perl Home Page.\n\n"); |
7ca617d0 | 3392 | my_exit(0); |
79072805 | 3393 | case 'w': |
b2e5e6ba | 3394 | if (! (PL_dowarn & G_WARN_ALL_MASK)) { |
ac27b0f5 | 3395 | PL_dowarn |= G_WARN_ON; |
b2e5e6ba | 3396 | } |
599cee73 PM |
3397 | s++; |
3398 | return s; | |
3399 | case 'W': | |
ac27b0f5 | 3400 | PL_dowarn = G_WARN_ALL_ON|G_WARN_ON; |
317ea90d | 3401 | if (!specialWARN(PL_compiling.cop_warnings)) |
72dc9ed5 | 3402 | PerlMemShared_free(PL_compiling.cop_warnings); |
d3a7d8c7 | 3403 | PL_compiling.cop_warnings = pWARN_ALL ; |
599cee73 PM |
3404 | s++; |
3405 | return s; | |
3406 | case 'X': | |
ac27b0f5 | 3407 | PL_dowarn = G_WARN_ALL_OFF; |
317ea90d | 3408 | if (!specialWARN(PL_compiling.cop_warnings)) |
72dc9ed5 | 3409 | PerlMemShared_free(PL_compiling.cop_warnings); |
d3a7d8c7 | 3410 | PL_compiling.cop_warnings = pWARN_NONE ; |
79072805 LW |
3411 | s++; |
3412 | return s; | |
a0d0e21e | 3413 | case '*': |
79072805 LW |
3414 | case ' ': |
3415 | if (s[1] == '-') /* Additional switches on #! line. */ | |
3416 | return s+2; | |
3417 | break; | |
a0d0e21e | 3418 | case '-': |
79072805 | 3419 | case 0: |
51882d45 | 3420 | #if defined(WIN32) || !defined(PERL_STRICT_CR) |
a868473f NIS |
3421 | case '\r': |
3422 | #endif | |
79072805 LW |
3423 | case '\n': |
3424 | case '\t': | |
3425 | break; | |
aa689395 | 3426 | #ifdef ALTERNATE_SHEBANG |
3427 | case 'S': /* OS/2 needs -S on "extproc" line. */ | |
3428 | break; | |
3429 | #endif | |
a0d0e21e | 3430 | case 'P': |
3280af22 | 3431 | if (PL_preprocess) |
a0d0e21e LW |
3432 | return s+1; |
3433 | /* FALL THROUGH */ | |
79072805 | 3434 | default: |
cea2e8a9 | 3435 | Perl_croak(aTHX_ "Can't emulate -%.1s on #! line",s); |
79072805 | 3436 | } |
bd61b366 | 3437 | return NULL; |
79072805 LW |
3438 | } |
3439 | ||
3440 | /* compliments of Tom Christiansen */ | |
3441 | ||
3442 | /* unexec() can be found in the Gnu emacs distribution */ | |
ee580363 | 3443 | /* Known to work with -DUNEXEC and using unexelf.c from GNU emacs-20.2 */ |
79072805 LW |
3444 | |
3445 | void | |
864dbfa3 | 3446 | Perl_my_unexec(pTHX) |
79072805 | 3447 | { |
b37c2d43 | 3448 | PERL_UNUSED_CONTEXT; |
79072805 | 3449 | #ifdef UNEXEC |
b37c2d43 AL |
3450 | SV * prog = newSVpv(BIN_EXP, 0); |
3451 | SV * file = newSVpv(PL_origfilename, 0); | |
ee580363 | 3452 | int status = 1; |
79072805 LW |
3453 | extern int etext; |
3454 | ||
396482e1 | 3455 | sv_catpvs(prog, "/perl"); |
396482e1 | 3456 | sv_catpvs(file, ".perldump"); |
79072805 | 3457 | |
ee580363 GS |
3458 | unexec(SvPVX(file), SvPVX(prog), &etext, sbrk(0), 0); |
3459 | /* unexec prints msg to stderr in case of failure */ | |
6ad3d225 | 3460 | PerlProc_exit(status); |
79072805 | 3461 | #else |
a5f75d66 AD |
3462 | # ifdef VMS |
3463 | # include <lib$routines.h> | |
3464 | lib$signal(SS$_DEBUG); /* ssdef.h #included from vmsish.h */ | |
84d78eb7 YO |
3465 | # elif defined(WIN32) || defined(__CYGWIN__) |
3466 | Perl_croak(aTHX_ "dump is not supported"); | |
aa689395 | 3467 | # else |
79072805 | 3468 | ABORT(); /* for use with undump */ |
aa689395 | 3469 | # endif |
a5f75d66 | 3470 | #endif |
79072805 LW |
3471 | } |
3472 | ||
cb68f92d GS |
3473 | /* initialize curinterp */ |
3474 | STATIC void | |
cea2e8a9 | 3475 | S_init_interp(pTHX) |
cb68f92d | 3476 | { |
97aff369 | 3477 | dVAR; |
acfe0abc GS |
3478 | #ifdef MULTIPLICITY |
3479 | # define PERLVAR(var,type) | |
3480 | # define PERLVARA(var,n,type) | |
3481 | # if defined(PERL_IMPLICIT_CONTEXT) | |
b7f7fff6 NC |
3482 | # define PERLVARI(var,type,init) aTHX->var = init; |
3483 | # define PERLVARIC(var,type,init) aTHX->var = init; | |
3967c732 | 3484 | # else |
acfe0abc GS |
3485 | # define PERLVARI(var,type,init) PERL_GET_INTERP->var = init; |
3486 | # define PERLVARIC(var,type,init) PERL_GET_INTERP->var = init; | |
066ef5b5 | 3487 | # endif |
acfe0abc | 3488 | # include "intrpvar.h" |
b7f7fff6 | 3489 | # include "thrdvar.h" |
acfe0abc GS |
3490 | # undef PERLVAR |
3491 | # undef PERLVARA | |
3492 | # undef PERLVARI | |
3493 | # undef PERLVARIC | |
3494 | #else | |
3495 | # define PERLVAR(var,type) | |
3496 | # define PERLVARA(var,n,type) | |
3497 | # define PERLVARI(var,type,init) PL_##var = init; | |
3498 | # define PERLVARIC(var,type,init) PL_##var = init; | |
3499 | # include "intrpvar.h" | |
b7f7fff6 | 3500 | # include "thrdvar.h" |
acfe0abc GS |
3501 | # undef PERLVAR |
3502 | # undef PERLVARA | |
3503 | # undef PERLVARI | |
3504 | # undef PERLVARIC | |
cb68f92d GS |
3505 | #endif |
3506 | ||
46ab3289 NC |
3507 | /* As these are inside a structure, PERLVARI isn't capable of initialising |
3508 | them */ | |
6c3f0a89 NC |
3509 | PL_reg_oldcurpm = PL_reg_curpm = NULL; |
3510 | PL_reg_poscache = PL_reg_starttry = NULL; | |
cb68f92d GS |
3511 | } |
3512 | ||
76e3520e | 3513 | STATIC void |
cea2e8a9 | 3514 | S_init_main_stash(pTHX) |
79072805 | 3515 | { |
97aff369 | 3516 | dVAR; |
463ee0b2 | 3517 | GV *gv; |
6e72f9df | 3518 | |
3280af22 | 3519 | PL_curstash = PL_defstash = newHV(); |
23579a14 NC |
3520 | /* We know that the string "main" will be in the global shared string |
3521 | table, so it's a small saving to use it rather than allocate another | |
3522 | 8 bytes. */ | |
18916d0d | 3523 | PL_curstname = newSVpvs_share("main"); |
fafc274c | 3524 | gv = gv_fetchpvs("main::", GV_ADD|GV_NOTQUAL, SVt_PVHV); |
23579a14 NC |
3525 | /* If we hadn't caused another reference to "main" to be in the shared |
3526 | string table above, then it would be worth reordering these two, | |
3527 | because otherwise all we do is delete "main" from it as a consequence | |
3528 | of the SvREFCNT_dec, only to add it again with hv_name_set */ | |
adbc6bb1 | 3529 | SvREFCNT_dec(GvHV(gv)); |
23579a14 | 3530 | hv_name_set(PL_defstash, "main", 4, 0); |
b37c2d43 | 3531 | GvHV(gv) = (HV*)SvREFCNT_inc_simple(PL_defstash); |
463ee0b2 | 3532 | SvREADONLY_on(gv); |
fafc274c NC |
3533 | PL_incgv = gv_HVadd(gv_AVadd(gv_fetchpvs("INC", GV_ADD|GV_NOTQUAL, |
3534 | SVt_PVAV))); | |
b37c2d43 | 3535 | SvREFCNT_inc_simple(PL_incgv); /* Don't allow it to be freed */ |
3280af22 | 3536 | GvMULTI_on(PL_incgv); |
fafc274c | 3537 | PL_hintgv = gv_fetchpvs("\010", GV_ADD|GV_NOTQUAL, SVt_PV); /* ^H */ |
3280af22 | 3538 | GvMULTI_on(PL_hintgv); |
fafc274c | 3539 | PL_defgv = gv_fetchpvs("_", GV_ADD|GV_NOTQUAL, SVt_PVAV); |
b37c2d43 | 3540 | SvREFCNT_inc_simple(PL_defgv); |
fafc274c | 3541 | PL_errgv = gv_HVadd(gv_fetchpvs("@", GV_ADD|GV_NOTQUAL, SVt_PV)); |
b37c2d43 | 3542 | SvREFCNT_inc_simple(PL_errgv); |
3280af22 | 3543 | GvMULTI_on(PL_errgv); |
fafc274c | 3544 | PL_replgv = gv_fetchpvs("\022", GV_ADD|GV_NOTQUAL, SVt_PV); /* ^R */ |
3280af22 | 3545 | GvMULTI_on(PL_replgv); |
cea2e8a9 | 3546 | (void)Perl_form(aTHX_ "%240s",""); /* Preallocate temp - for immediate signals. */ |
c69033f2 NC |
3547 | #ifdef PERL_DONT_CREATE_GVSV |
3548 | gv_SVadd(PL_errgv); | |
3549 | #endif | |
38a03e6e MB |
3550 | sv_grow(ERRSV, 240); /* Preallocate - for immediate signals. */ |
3551 | sv_setpvn(ERRSV, "", 0); | |
3280af22 | 3552 | PL_curstash = PL_defstash; |
11faa288 | 3553 | CopSTASH_set(&PL_compiling, PL_defstash); |
5c1737d1 NC |
3554 | PL_debstash = GvHV(gv_fetchpvs("DB::", GV_ADDMULTI, SVt_PVHV)); |
3555 | PL_globalstash = GvHV(gv_fetchpvs("CORE::GLOBAL::", GV_ADDMULTI, | |
3556 | SVt_PVHV)); | |
4633a7c4 | 3557 | /* We must init $/ before switches are processed. */ |
864dbfa3 | 3558 | sv_setpvn(get_sv("/", TRUE), "\n", 1); |
79072805 LW |
3559 | } |
3560 | ||
fdf5d70d | 3561 | STATIC int |
cdd8118e NC |
3562 | S_open_script(pTHX_ const char *scriptname, bool dosearch, SV *sv, |
3563 | int *suidscript) | |
79072805 | 3564 | { |
ae3f3efd | 3565 | #ifndef IAMSUID |
e1ec3a88 AL |
3566 | const char *quote; |
3567 | const char *code; | |
3568 | const char *cpp_discard_flag; | |
3569 | const char *perl; | |
ae3f3efd | 3570 | #endif |
fdf5d70d | 3571 | int fdscript = -1; |
27da23d5 | 3572 | dVAR; |
1b24ed4b | 3573 | |
cdd8118e | 3574 | *suidscript = -1; |
79072805 | 3575 | |
3280af22 | 3576 | if (PL_e_script) { |
89529cee | 3577 | PL_origfilename = savepvs("-e"); |
96436eeb | 3578 | } |
6c4ab083 GS |
3579 | else { |
3580 | /* if find_script() returns, it returns a malloc()-ed value */ | |
dd374669 | 3581 | scriptname = PL_origfilename = find_script(scriptname, dosearch, NULL, 1); |
6c4ab083 GS |
3582 | |
3583 | if (strnEQ(scriptname, "/dev/fd/", 8) && isDIGIT(scriptname[8]) ) { | |
e1ec3a88 | 3584 | const char *s = scriptname + 8; |
fdf5d70d | 3585 | fdscript = atoi(s); |
6c4ab083 GS |
3586 | while (isDIGIT(*s)) |
3587 | s++; | |
3588 | if (*s) { | |
ae3f3efd PS |
3589 | /* PSz 18 Feb 04 |
3590 | * Tell apart "normal" usage of fdscript, e.g. | |
3591 | * with bash on FreeBSD: | |
3592 | * perl <( echo '#!perl -DA'; echo 'print "$0\n"') | |
3593 | * from usage in suidperl. | |
3594 | * Does any "normal" usage leave garbage after the number??? | |
3595 | * Is it a mistake to use a similar /dev/fd/ construct for | |
3596 | * suidperl? | |
3597 | */ | |
cdd8118e | 3598 | *suidscript = 1; |
ae3f3efd PS |
3599 | /* PSz 20 Feb 04 |
3600 | * Be supersafe and do some sanity-checks. | |
3601 | * Still, can we be sure we got the right thing? | |
3602 | */ | |
3603 | if (*s != '/') { | |
3604 | Perl_croak(aTHX_ "Wrong syntax (suid) fd script name \"%s\"\n", s); | |
3605 | } | |
3606 | if (! *(s+1)) { | |
3607 | Perl_croak(aTHX_ "Missing (suid) fd script name\n"); | |
3608 | } | |
6c4ab083 | 3609 | scriptname = savepv(s + 1); |
3280af22 | 3610 | Safefree(PL_origfilename); |
dd374669 | 3611 | PL_origfilename = (char *)scriptname; |
6c4ab083 GS |
3612 | } |
3613 | } | |
3614 | } | |
3615 | ||
05ec9bb3 | 3616 | CopFILE_free(PL_curcop); |
57843af0 | 3617 | CopFILE_set(PL_curcop, PL_origfilename); |
770526c1 | 3618 | if (*PL_origfilename == '-' && PL_origfilename[1] == '\0') |
dd374669 | 3619 | scriptname = (char *)""; |
fdf5d70d NC |
3620 | if (fdscript >= 0) { |
3621 | PL_rsfp = PerlIO_fdopen(fdscript,PERL_SCRIPT_MODE); | |
1b24ed4b MS |
3622 | # if defined(HAS_FCNTL) && defined(F_SETFD) |
3623 | if (PL_rsfp) | |
3624 | /* ensure close-on-exec */ | |
3625 | fcntl(PerlIO_fileno(PL_rsfp),F_SETFD,1); | |
3626 | # endif | |
96436eeb | 3627 | } |
ae3f3efd PS |
3628 | #ifdef IAMSUID |
3629 | else { | |
86207487 NC |
3630 | Perl_croak(aTHX_ "sperl needs fd script\n" |
3631 | "You should not call sperl directly; do you need to " | |
3632 | "change a #! line\nfrom sperl to perl?\n"); | |
3633 | ||
ae3f3efd PS |
3634 | /* PSz 11 Nov 03 |
3635 | * Do not open (or do other fancy stuff) while setuid. | |
3636 | * Perl does the open, and hands script to suidperl on a fd; | |
3637 | * suidperl only does some checks, sets up UIDs and re-execs | |
3638 | * perl with that fd as it has always done. | |
3639 | */ | |
3640 | } | |
cdd8118e | 3641 | if (*suidscript != 1) { |
ae3f3efd PS |
3642 | Perl_croak(aTHX_ "suidperl needs (suid) fd script\n"); |
3643 | } | |
3644 | #else /* IAMSUID */ | |
3280af22 | 3645 | else if (PL_preprocess) { |
c4420975 | 3646 | const char * const cpp_cfg = CPPSTDIN; |
396482e1 | 3647 | SV * const cpp = newSVpvs(""); |
561b68a9 | 3648 | SV * const cmd = newSV(0); |
46fc3d4c | 3649 | |
ae58f265 JH |
3650 | if (cpp_cfg[0] == 0) /* PERL_MICRO? */ |
3651 | Perl_croak(aTHX_ "Can't run with cpp -P with CPPSTDIN undefined"); | |
46fc3d4c | 3652 | if (strEQ(cpp_cfg, "cppstdin")) |
cea2e8a9 | 3653 | Perl_sv_catpvf(aTHX_ cpp, "%s/", BIN_EXP); |
46fc3d4c | 3654 | sv_catpv(cpp, cpp_cfg); |
79072805 | 3655 | |
1b24ed4b | 3656 | # ifndef VMS |
396482e1 | 3657 | sv_catpvs(sv, "-I"); |
1b24ed4b MS |
3658 | sv_catpv(sv,PRIVLIB_EXP); |
3659 | # endif | |
46fc3d4c | 3660 | |
14953ddc MB |
3661 | DEBUG_P(PerlIO_printf(Perl_debug_log, |
3662 | "PL_preprocess: scriptname=\"%s\", cpp=\"%s\", sv=\"%s\", CPPMINUS=\"%s\"\n", | |
848ef955 NC |
3663 | scriptname, SvPVX_const (cpp), SvPVX_const (sv), |
3664 | CPPMINUS)); | |
1b24ed4b MS |
3665 | |
3666 | # if defined(MSDOS) || defined(WIN32) || defined(VMS) | |
3667 | quote = "\""; | |
3668 | # else | |
3669 | quote = "'"; | |
3670 | # endif | |
3671 | ||
3672 | # ifdef VMS | |
3673 | cpp_discard_flag = ""; | |
3674 | # else | |
3675 | cpp_discard_flag = "-C"; | |
3676 | # endif | |
3677 | ||
3678 | # ifdef OS2 | |
3679 | perl = os2_execname(aTHX); | |
3680 | # else | |
3681 | perl = PL_origargv[0]; | |
3682 | # endif | |
3683 | ||
3684 | ||
3685 | /* This strips off Perl comments which might interfere with | |
62375a60 NIS |
3686 | the C pre-processor, including #!. #line directives are |
3687 | deliberately stripped to avoid confusion with Perl's version | |
1b24ed4b MS |
3688 | of #line. FWP played some golf with it so it will fit |
3689 | into VMS's 255 character buffer. | |
3690 | */ | |
3691 | if( PL_doextract ) | |
3692 | code = "(1../^#!.*perl/i)|/^\\s*#(?!\\s*((ifn?|un)def|(el|end)?if|define|include|else|error|pragma)\\b)/||!($|=1)||print"; | |
3693 | else | |
3694 | code = "/^\\s*#(?!\\s*((ifn?|un)def|(el|end)?if|define|include|else|error|pragma)\\b)/||!($|=1)||print"; | |
3695 | ||
3696 | Perl_sv_setpvf(aTHX_ cmd, "\ | |
3697 | %s -ne%s%s%s %s | %"SVf" %s %"SVf" %s", | |
be2597df MHM |
3698 | perl, quote, code, quote, scriptname, SVfARG(cpp), |
3699 | cpp_discard_flag, SVfARG(sv), CPPMINUS); | |
1b24ed4b | 3700 | |
3280af22 | 3701 | PL_doextract = FALSE; |
0a6c758d | 3702 | |
62375a60 NIS |
3703 | DEBUG_P(PerlIO_printf(Perl_debug_log, |
3704 | "PL_preprocess: cmd=\"%s\"\n", | |
848ef955 | 3705 | SvPVX_const(cmd))); |
0a6c758d | 3706 | |
848ef955 | 3707 | PL_rsfp = PerlProc_popen((char *)SvPVX_const(cmd), (char *)"r"); |
46fc3d4c | 3708 | SvREFCNT_dec(cmd); |
3709 | SvREFCNT_dec(cpp); | |
79072805 LW |
3710 | } |
3711 | else if (!*scriptname) { | |
cdd8118e | 3712 | forbid_setid(0, *suidscript); |
3280af22 | 3713 | PL_rsfp = PerlIO_stdin(); |
79072805 | 3714 | } |
96436eeb | 3715 | else { |
3280af22 | 3716 | PL_rsfp = PerlIO_open(scriptname,PERL_SCRIPT_MODE); |
1b24ed4b MS |
3717 | # if defined(HAS_FCNTL) && defined(F_SETFD) |
3718 | if (PL_rsfp) | |
3719 | /* ensure close-on-exec */ | |
3720 | fcntl(PerlIO_fileno(PL_rsfp),F_SETFD,1); | |
3721 | # endif | |
96436eeb | 3722 | } |
ae3f3efd | 3723 | #endif /* IAMSUID */ |
3280af22 | 3724 | if (!PL_rsfp) { |
447218f8 | 3725 | /* PSz 16 Sep 03 Keep neat error message */ |
b1681ed3 RGS |
3726 | if (PL_e_script) |
3727 | Perl_croak(aTHX_ "Can't open "BIT_BUCKET": %s\n", Strerror(errno)); | |
3728 | else | |
3729 | Perl_croak(aTHX_ "Can't open perl script \"%s\": %s\n", | |
3730 | CopFILE(PL_curcop), Strerror(errno)); | |
13281fa4 | 3731 | } |
fdf5d70d | 3732 | return fdscript; |
79072805 | 3733 | } |
8d063cd8 | 3734 | |
7b89560d JH |
3735 | /* Mention |
3736 | * I_SYSSTATVFS HAS_FSTATVFS | |
3737 | * I_SYSMOUNT | |
c890dc6c | 3738 | * I_STATFS HAS_FSTATFS HAS_GETFSSTAT |
7b89560d JH |
3739 | * I_MNTENT HAS_GETMNTENT HAS_HASMNTOPT |
3740 | * here so that metaconfig picks them up. */ | |
3741 | ||
104d25b7 | 3742 | #ifdef IAMSUID |
864dbfa3 | 3743 | STATIC int |
e688b231 | 3744 | S_fd_on_nosuid_fs(pTHX_ int fd) |
104d25b7 | 3745 | { |
ae3f3efd PS |
3746 | /* PSz 27 Feb 04 |
3747 | * We used to do this as "plain" user (after swapping UIDs with setreuid); | |
3748 | * but is needed also on machines without setreuid. | |
3749 | * Seems safe enough to run as root. | |
3750 | */ | |
0545a864 JH |
3751 | int check_okay = 0; /* able to do all the required sys/libcalls */ |
3752 | int on_nosuid = 0; /* the fd is on a nosuid fs */ | |
ae3f3efd PS |
3753 | /* PSz 12 Nov 03 |
3754 | * Need to check noexec also: nosuid might not be set, the average | |
3755 | * sysadmin would say that nosuid is irrelevant once he sets noexec. | |
3756 | */ | |
3757 | int on_noexec = 0; /* the fd is on a noexec fs */ | |
3758 | ||
104d25b7 | 3759 | /* |
ad27e871 | 3760 | * Preferred order: fstatvfs(), fstatfs(), ustat()+getmnt(), getmntent(). |
e688b231 | 3761 | * fstatvfs() is UNIX98. |
0545a864 | 3762 | * fstatfs() is 4.3 BSD. |
ad27e871 | 3763 | * ustat()+getmnt() is pre-4.3 BSD. |
0545a864 JH |
3764 | * getmntent() is O(number-of-mounted-filesystems) and can hang on |
3765 | * an irrelevant filesystem while trying to reach the right one. | |
104d25b7 JH |
3766 | */ |
3767 | ||
6439433f JH |
3768 | #undef FD_ON_NOSUID_CHECK_OKAY /* found the syscalls to do the check? */ |
3769 | ||
3770 | # if !defined(FD_ON_NOSUID_CHECK_OKAY) && \ | |
3771 | defined(HAS_FSTATVFS) | |
3772 | # define FD_ON_NOSUID_CHECK_OKAY | |
104d25b7 | 3773 | struct statvfs stfs; |
6439433f | 3774 | |
104d25b7 JH |
3775 | check_okay = fstatvfs(fd, &stfs) == 0; |
3776 | on_nosuid = check_okay && (stfs.f_flag & ST_NOSUID); | |
ae3f3efd PS |
3777 | #ifdef ST_NOEXEC |
3778 | /* ST_NOEXEC certainly absent on AIX 5.1, and doesn't seem to be documented | |
3779 | on platforms where it is present. */ | |
3780 | on_noexec = check_okay && (stfs.f_flag & ST_NOEXEC); | |
3781 | #endif | |
6439433f | 3782 | # endif /* fstatvfs */ |
ac27b0f5 | 3783 | |
6439433f JH |
3784 | # if !defined(FD_ON_NOSUID_CHECK_OKAY) && \ |
3785 | defined(PERL_MOUNT_NOSUID) && \ | |
ae3f3efd | 3786 | defined(PERL_MOUNT_NOEXEC) && \ |
6439433f JH |
3787 | defined(HAS_FSTATFS) && \ |
3788 | defined(HAS_STRUCT_STATFS) && \ | |
3789 | defined(HAS_STRUCT_STATFS_F_FLAGS) | |
3790 | # define FD_ON_NOSUID_CHECK_OKAY | |
e688b231 | 3791 | struct statfs stfs; |
6439433f | 3792 | |
104d25b7 | 3793 | check_okay = fstatfs(fd, &stfs) == 0; |
104d25b7 | 3794 | on_nosuid = check_okay && (stfs.f_flags & PERL_MOUNT_NOSUID); |
ae3f3efd | 3795 | on_noexec = check_okay && (stfs.f_flags & PERL_MOUNT_NOEXEC); |
6439433f JH |
3796 | # endif /* fstatfs */ |
3797 | ||
3798 | # if !defined(FD_ON_NOSUID_CHECK_OKAY) && \ | |
3799 | defined(PERL_MOUNT_NOSUID) && \ | |
ae3f3efd | 3800 | defined(PERL_MOUNT_NOEXEC) && \ |
6439433f JH |
3801 | defined(HAS_FSTAT) && \ |
3802 | defined(HAS_USTAT) && \ | |
3803 | defined(HAS_GETMNT) && \ | |
3804 | defined(HAS_STRUCT_FS_DATA) && \ | |
3805 | defined(NOSTAT_ONE) | |
3806 | # define FD_ON_NOSUID_CHECK_OKAY | |
c623ac67 | 3807 | Stat_t fdst; |
6439433f | 3808 | |
0545a864 | 3809 | if (fstat(fd, &fdst) == 0) { |
6439433f JH |
3810 | struct ustat us; |
3811 | if (ustat(fdst.st_dev, &us) == 0) { | |
3812 | struct fs_data fsd; | |
3813 | /* NOSTAT_ONE here because we're not examining fields which | |
3814 | * vary between that case and STAT_ONE. */ | |
ad27e871 | 3815 | if (getmnt((int*)0, &fsd, (int)0, NOSTAT_ONE, us.f_fname) == 0) { |
6439433f JH |
3816 | size_t cmplen = sizeof(us.f_fname); |
3817 | if (sizeof(fsd.fd_req.path) < cmplen) | |
3818 | cmplen = sizeof(fsd.fd_req.path); | |
3819 | if (strnEQ(fsd.fd_req.path, us.f_fname, cmplen) && | |
3820 | fdst.st_dev == fsd.fd_req.dev) { | |
6e186fbe MHM |
3821 | check_okay = 1; |
3822 | on_nosuid = fsd.fd_req.flags & PERL_MOUNT_NOSUID; | |
3823 | on_noexec = fsd.fd_req.flags & PERL_MOUNT_NOEXEC; | |
6439433f JH |
3824 | } |
3825 | } | |
3826 | } | |
0545a864 | 3827 | } |
6439433f JH |
3828 | # endif /* fstat+ustat+getmnt */ |
3829 | ||
3830 | # if !defined(FD_ON_NOSUID_CHECK_OKAY) && \ | |
3831 | defined(HAS_GETMNTENT) && \ | |
3832 | defined(HAS_HASMNTOPT) && \ | |
ae3f3efd PS |
3833 | defined(MNTOPT_NOSUID) && \ |
3834 | defined(MNTOPT_NOEXEC) | |
6439433f JH |
3835 | # define FD_ON_NOSUID_CHECK_OKAY |
3836 | FILE *mtab = fopen("/etc/mtab", "r"); | |
3837 | struct mntent *entry; | |
c623ac67 | 3838 | Stat_t stb, fsb; |
104d25b7 JH |
3839 | |
3840 | if (mtab && (fstat(fd, &stb) == 0)) { | |
6439433f JH |
3841 | while (entry = getmntent(mtab)) { |
3842 | if (stat(entry->mnt_dir, &fsb) == 0 | |
3843 | && fsb.st_dev == stb.st_dev) | |
3844 | { | |
3845 | /* found the filesystem */ | |
3846 | check_okay = 1; | |
3847 | if (hasmntopt(entry, MNTOPT_NOSUID)) | |
3848 | on_nosuid = 1; | |
ae3f3efd PS |
3849 | if (hasmntopt(entry, MNTOPT_NOEXEC)) |
3850 | on_noexec = 1; | |
6439433f JH |
3851 | break; |
3852 | } /* A single fs may well fail its stat(). */ | |
3853 | } | |
104d25b7 JH |
3854 | } |
3855 | if (mtab) | |
6439433f JH |
3856 | fclose(mtab); |
3857 | # endif /* getmntent+hasmntopt */ | |
0545a864 | 3858 | |
ac27b0f5 | 3859 | if (!check_okay) |
ae3f3efd PS |
3860 | Perl_croak(aTHX_ "Can't check filesystem of script \"%s\" for nosuid/noexec", PL_origfilename); |
3861 | if (on_nosuid) | |
3862 | Perl_croak(aTHX_ "Setuid script \"%s\" on nosuid filesystem", PL_origfilename); | |
3863 | if (on_noexec) | |
3864 | Perl_croak(aTHX_ "Setuid script \"%s\" on noexec filesystem", PL_origfilename); | |
3865 | return ((!check_okay) || on_nosuid || on_noexec); | |
104d25b7 JH |
3866 | } |
3867 | #endif /* IAMSUID */ | |
3868 | ||
76e3520e | 3869 | STATIC void |
fdf5d70d | 3870 | S_validate_suid(pTHX_ const char *validarg, const char *scriptname, |
cdd8118e | 3871 | int fdscript, int suidscript) |
79072805 | 3872 | { |
27da23d5 | 3873 | dVAR; |
155aba94 | 3874 | #ifdef IAMSUID |
ae3f3efd PS |
3875 | /* int which; */ |
3876 | #endif /* IAMSUID */ | |
96436eeb | 3877 | |
13281fa4 LW |
3878 | /* do we need to emulate setuid on scripts? */ |
3879 | ||
3880 | /* This code is for those BSD systems that have setuid #! scripts disabled | |
3881 | * in the kernel because of a security problem. Merely defining DOSUID | |
3882 | * in perl will not fix that problem, but if you have disabled setuid | |
3883 | * scripts in the kernel, this will attempt to emulate setuid and setgid | |
3884 | * on scripts that have those now-otherwise-useless bits set. The setuid | |
27e2fb84 LW |
3885 | * root version must be called suidperl or sperlN.NNN. If regular perl |
3886 | * discovers that it has opened a setuid script, it calls suidperl with | |
3887 | * the same argv that it had. If suidperl finds that the script it has | |
3888 | * just opened is NOT setuid root, it sets the effective uid back to the | |
3889 | * uid. We don't just make perl setuid root because that loses the | |
3890 | * effective uid we had before invoking perl, if it was different from the | |
3891 | * uid. | |
ae3f3efd PS |
3892 | * PSz 27 Feb 04 |
3893 | * Description/comments above do not match current workings: | |
3894 | * suidperl must be hardlinked to sperlN.NNN (that is what we exec); | |
3895 | * suidperl called with script open and name changed to /dev/fd/N/X; | |
3896 | * suidperl croaks if script is not setuid; | |
3897 | * making perl setuid would be a huge security risk (and yes, that | |
3898 | * would lose any euid we might have had). | |
13281fa4 LW |
3899 | * |
3900 | * DOSUID must be defined in both perl and suidperl, and IAMSUID must | |
3901 | * be defined in suidperl only. suidperl must be setuid root. The | |
3902 | * Configure script will set this up for you if you want it. | |
3903 | */ | |
a687059c | 3904 | |
13281fa4 | 3905 | #ifdef DOSUID |
dd720ed5 | 3906 | const char *s, *s2; |
a0d0e21e | 3907 | |
b28d0864 | 3908 | if (PerlLIO_fstat(PerlIO_fileno(PL_rsfp),&PL_statbuf) < 0) /* normal stat is insecure */ |
cea2e8a9 | 3909 | Perl_croak(aTHX_ "Can't stat script \"%s\"",PL_origfilename); |
ae3f3efd | 3910 | if (PL_statbuf.st_mode & (S_ISUID|S_ISGID)) { |
79072805 | 3911 | I32 len; |
dd720ed5 | 3912 | const char *linestr; |
42d9b98d | 3913 | const char *s_end; |
13281fa4 | 3914 | |
a687059c | 3915 | #ifdef IAMSUID |
cdd8118e | 3916 | if (fdscript < 0 || suidscript != 1) |
ae3f3efd PS |
3917 | Perl_croak(aTHX_ "Need (suid) fdscript in suidperl\n"); /* We already checked this */ |
3918 | /* PSz 11 Nov 03 | |
3919 | * Since the script is opened by perl, not suidperl, some of these | |
3920 | * checks are superfluous. Leaving them in probably does not lower | |
3921 | * security(?!). | |
3922 | */ | |
3923 | /* PSz 27 Feb 04 | |
3924 | * Do checks even for systems with no HAS_SETREUID. | |
3925 | * We used to swap, then re-swap UIDs with | |
3926 | #ifdef HAS_SETREUID | |
3927 | if (setreuid(PL_euid,PL_uid) < 0 | |
3928 | || PerlProc_getuid() != PL_euid || PerlProc_geteuid() != PL_uid) | |
3929 | Perl_croak(aTHX_ "Can't swap uid and euid"); | |
3930 | #endif | |
3931 | #ifdef HAS_SETREUID | |
3932 | if (setreuid(PL_uid,PL_euid) < 0 | |
3933 | || PerlProc_getuid() != PL_uid || PerlProc_geteuid() != PL_euid) | |
3934 | Perl_croak(aTHX_ "Can't reswap uid and euid"); | |
3935 | #endif | |
3936 | */ | |
3937 | ||
a687059c LW |
3938 | /* On this access check to make sure the directories are readable, |
3939 | * there is actually a small window that the user could use to make | |
3940 | * filename point to an accessible directory. So there is a faint | |
3941 | * chance that someone could execute a setuid script down in a | |
3942 | * non-accessible directory. I don't know what to do about that. | |
3943 | * But I don't think it's too important. The manual lies when | |
3944 | * it says access() is useful in setuid programs. | |
ae3f3efd PS |
3945 | * |
3946 | * So, access() is pretty useless... but not harmful... do anyway. | |
a687059c | 3947 | */ |
e57400b1 | 3948 | if (PerlLIO_access(CopFILE(PL_curcop),1)) { /*double check*/ |
ae3f3efd | 3949 | Perl_croak(aTHX_ "Can't access() script\n"); |
e57400b1 | 3950 | } |
ae3f3efd | 3951 | |
a687059c LW |
3952 | /* If we can swap euid and uid, then we can determine access rights |
3953 | * with a simple stat of the file, and then compare device and | |
3954 | * inode to make sure we did stat() on the same file we opened. | |
3955 | * Then we just have to make sure he or she can execute it. | |
ae3f3efd PS |
3956 | * |
3957 | * PSz 24 Feb 04 | |
3958 | * As the script is opened by perl, not suidperl, we do not need to | |
3959 | * care much about access rights. | |
3960 | * | |
3961 | * The 'script changed' check is needed, or we can get lied to | |
3962 | * about $0 with e.g. | |
3963 | * suidperl /dev/fd/4//bin/x 4<setuidscript | |
3964 | * Without HAS_SETREUID, is it safe to stat() as root? | |
3965 | * | |
3966 | * Are there any operating systems that pass /dev/fd/xxx for setuid | |
3967 | * scripts, as suggested/described in perlsec(1)? Surely they do not | |
3968 | * pass the script name as we do, so the "script changed" test would | |
3969 | * fail for them... but we never get here with | |
3970 | * SETUID_SCRIPTS_ARE_SECURE_NOW defined. | |
3971 | * | |
3972 | * This is one place where we must "lie" about return status: not | |
3973 | * say if the stat() failed. We are doing this as root, and could | |
3974 | * be tricked into reporting existence or not of files that the | |
3975 | * "plain" user cannot even see. | |
a687059c LW |
3976 | */ |
3977 | { | |
c623ac67 | 3978 | Stat_t tmpstatbuf; |
ae3f3efd PS |
3979 | if (PerlLIO_stat(CopFILE(PL_curcop),&tmpstatbuf) < 0 || |
3980 | tmpstatbuf.st_dev != PL_statbuf.st_dev || | |
b28d0864 | 3981 | tmpstatbuf.st_ino != PL_statbuf.st_ino) { |
ae3f3efd | 3982 | Perl_croak(aTHX_ "Setuid script changed\n"); |
a687059c | 3983 | } |
ae3f3efd | 3984 | |
a687059c | 3985 | } |
ae3f3efd PS |
3986 | if (!cando(S_IXUSR,FALSE,&PL_statbuf)) /* can real uid exec? */ |
3987 | Perl_croak(aTHX_ "Real UID cannot exec script\n"); | |
3988 | ||
3989 | /* PSz 27 Feb 04 | |
3990 | * We used to do this check as the "plain" user (after swapping | |
3991 | * UIDs). But the check for nosuid and noexec filesystem is needed, | |
3992 | * and should be done even without HAS_SETREUID. (Maybe those | |
3993 | * operating systems do not have such mount options anyway...) | |
3994 | * Seems safe enough to do as root. | |
3995 | */ | |
3996 | #if !defined(NO_NOSUID_CHECK) | |
3997 | if (fd_on_nosuid_fs(PerlIO_fileno(PL_rsfp))) { | |
3998 | Perl_croak(aTHX_ "Setuid script on nosuid or noexec filesystem\n"); | |
3999 | } | |
4000 | #endif | |
a687059c LW |
4001 | #endif /* IAMSUID */ |
4002 | ||
e57400b1 | 4003 | if (!S_ISREG(PL_statbuf.st_mode)) { |
ae3f3efd | 4004 | Perl_croak(aTHX_ "Setuid script not plain file\n"); |
e57400b1 | 4005 | } |
b28d0864 | 4006 | if (PL_statbuf.st_mode & S_IWOTH) |
cea2e8a9 | 4007 | Perl_croak(aTHX_ "Setuid/gid script is writable by world"); |
6b88bc9c | 4008 | PL_doswitches = FALSE; /* -s is insecure in suid */ |
ae3f3efd | 4009 | /* PSz 13 Nov 03 But -s was caught elsewhere ... so unsetting it here is useless(?!) */ |
57843af0 | 4010 | CopLINE_inc(PL_curcop); |
bd61b366 | 4011 | if (sv_gets(PL_linestr, PL_rsfp, 0) == NULL) |
f8d2da62 | 4012 | Perl_croak(aTHX_ "No #! line"); |
dd720ed5 | 4013 | linestr = SvPV_nolen_const(PL_linestr); |
f8d2da62 RGS |
4014 | /* required even on Sys V */ |
4015 | if (!*linestr || !linestr[1] || strnNE(linestr,"#!",2)) | |
cea2e8a9 | 4016 | Perl_croak(aTHX_ "No #! line"); |
f8d2da62 | 4017 | linestr += 2; |
dd720ed5 | 4018 | s = linestr; |
ae3f3efd PS |
4019 | /* PSz 27 Feb 04 */ |
4020 | /* Sanity check on line length */ | |
42d9b98d NC |
4021 | s_end = s + strlen(s); |
4022 | if (s_end == s || (s_end - s) > 4000) | |
ae3f3efd PS |
4023 | Perl_croak(aTHX_ "Very long #! line"); |
4024 | /* Allow more than a single space after #! */ | |
4025 | while (isSPACE(*s)) s++; | |
4026 | /* Sanity check on buffer end */ | |
4027 | while ((*s) && !isSPACE(*s)) s++; | |
dd720ed5 | 4028 | for (s2 = s; (s2 > linestr && |
3792a11b NC |
4029 | (isDIGIT(s2[-1]) || s2[-1] == '.' || s2[-1] == '_' |
4030 | || s2[-1] == '-')); s2--) ; | |
ae3f3efd | 4031 | /* Sanity check on buffer start */ |
dd720ed5 NC |
4032 | if ( (s2-4 < linestr || strnNE(s2-4,"perl",4)) && |
4033 | (s-9 < linestr || strnNE(s-9,"perl",4)) ) | |
cea2e8a9 | 4034 | Perl_croak(aTHX_ "Not a perl script"); |
a687059c | 4035 | while (*s == ' ' || *s == '\t') s++; |
13281fa4 LW |
4036 | /* |
4037 | * #! arg must be what we saw above. They can invoke it by | |
4038 | * mentioning suidperl explicitly, but they may not add any strange | |
4039 | * arguments beyond what #! says if they do invoke suidperl that way. | |
4040 | */ | |
ae3f3efd PS |
4041 | /* |
4042 | * The way validarg was set up, we rely on the kernel to start | |
4043 | * scripts with argv[1] set to contain all #! line switches (the | |
4044 | * whole line). | |
4045 | */ | |
4046 | /* | |
4047 | * Check that we got all the arguments listed in the #! line (not | |
4048 | * just that there are no extraneous arguments). Might not matter | |
4049 | * much, as switches from #! line seem to be acted upon (also), and | |
4050 | * so may be checked and trapped in perl. But, security checks must | |
4051 | * be done in suidperl and not deferred to perl. Note that suidperl | |
4052 | * does not get around to parsing (and checking) the switches on | |
4053 | * the #! line (but execs perl sooner). | |
4054 | * Allow (require) a trailing newline (which may be of two | |
4055 | * characters on some architectures?) (but no other trailing | |
4056 | * whitespace). | |
4057 | */ | |
13281fa4 LW |
4058 | len = strlen(validarg); |
4059 | if (strEQ(validarg," PHOOEY ") || | |
ae3f3efd | 4060 | strnNE(s,validarg,len) || !isSPACE(s[len]) || |
42d9b98d NC |
4061 | !((s_end - s) == len+1 |
4062 | || ((s_end - s) == len+2 && isSPACE(s[len+1])))) | |
cea2e8a9 | 4063 | Perl_croak(aTHX_ "Args must match #! line"); |
a687059c LW |
4064 | |
4065 | #ifndef IAMSUID | |
fdf5d70d | 4066 | if (fdscript < 0 && |
ae3f3efd | 4067 | PL_euid != PL_uid && (PL_statbuf.st_mode & S_ISUID) && |
b28d0864 NIS |
4068 | PL_euid == PL_statbuf.st_uid) |
4069 | if (!PL_do_undump) | |
cea2e8a9 | 4070 | Perl_croak(aTHX_ "YOU HAVEN'T DISABLED SET-ID SCRIPTS IN THE KERNEL YET!\n\ |
11fb1898 | 4071 | FIX YOUR KERNEL, OR PUT A C WRAPPER AROUND THIS SCRIPT!\n"); |
a687059c | 4072 | #endif /* IAMSUID */ |
13281fa4 | 4073 | |
fdf5d70d | 4074 | if (fdscript < 0 && |
ae3f3efd PS |
4075 | PL_euid) { /* oops, we're not the setuid root perl */ |
4076 | /* PSz 18 Feb 04 | |
4077 | * When root runs a setuid script, we do not go through the same | |
4078 | * steps of execing sperl and then perl with fd scripts, but | |
4079 | * simply set up UIDs within the same perl invocation; so do | |
4080 | * not have the same checks (on options, whatever) that we have | |
4081 | * for plain users. No problem really: would have to be a script | |
4082 | * that does not actually work for plain users; and if root is | |
4083 | * foolish and can be persuaded to run such an unsafe script, he | |
4084 | * might run also non-setuid ones, and deserves what he gets. | |
4085 | * | |
4086 | * Or, we might drop the PL_euid check above (and rely just on | |
fdf5d70d | 4087 | * fdscript to avoid loops), and do the execs |
ae3f3efd PS |
4088 | * even for root. |
4089 | */ | |
13281fa4 | 4090 | #ifndef IAMSUID |
ae3f3efd PS |
4091 | int which; |
4092 | /* PSz 11 Nov 03 | |
4093 | * Pass fd script to suidperl. | |
4094 | * Exec suidperl, substituting fd script for scriptname. | |
4095 | * Pass script name as "subdir" of fd, which perl will grok; | |
4096 | * in fact will use that to distinguish this from "normal" | |
4097 | * usage, see comments above. | |
4098 | */ | |
4099 | PerlIO_rewind(PL_rsfp); | |
4100 | PerlLIO_lseek(PerlIO_fileno(PL_rsfp),(Off_t)0,0); /* just in case rewind didn't */ | |
4101 | /* PSz 27 Feb 04 Sanity checks on scriptname */ | |
4102 | if ((!scriptname) || (!*scriptname) ) { | |
4103 | Perl_croak(aTHX_ "No setuid script name\n"); | |
4104 | } | |
4105 | if (*scriptname == '-') { | |
4106 | Perl_croak(aTHX_ "Setuid script name may not begin with dash\n"); | |
4107 | /* Or we might confuse it with an option when replacing | |
4108 | * name in argument list, below (though we do pointer, not | |
4109 | * string, comparisons). | |
4110 | */ | |
4111 | } | |
4112 | for (which = 1; PL_origargv[which] && PL_origargv[which] != scriptname; which++) ; | |
4113 | if (!PL_origargv[which]) { | |
4114 | Perl_croak(aTHX_ "Can't change argv to have fd script\n"); | |
4115 | } | |
4116 | PL_origargv[which] = savepv(Perl_form(aTHX_ "/dev/fd/%d/%s", | |
4117 | PerlIO_fileno(PL_rsfp), PL_origargv[which])); | |
4118 | #if defined(HAS_FCNTL) && defined(F_SETFD) | |
4119 | fcntl(PerlIO_fileno(PL_rsfp),F_SETFD,0); /* ensure no close-on-exec */ | |
4120 | #endif | |
b35112e7 | 4121 | PERL_FPU_PRE_EXEC |
a7cb1f99 | 4122 | PerlProc_execv(Perl_form(aTHX_ "%s/sperl"PERL_FS_VER_FMT, BIN_EXP, |
273cf8d1 GS |
4123 | (int)PERL_REVISION, (int)PERL_VERSION, |
4124 | (int)PERL_SUBVERSION), PL_origargv); | |
b35112e7 | 4125 | PERL_FPU_POST_EXEC |
ae3f3efd PS |
4126 | #endif /* IAMSUID */ |
4127 | Perl_croak(aTHX_ "Can't do setuid (cannot exec sperl)\n"); | |
13281fa4 LW |
4128 | } |
4129 | ||
b28d0864 | 4130 | if (PL_statbuf.st_mode & S_ISGID && PL_statbuf.st_gid != PL_egid) { |
ae3f3efd PS |
4131 | /* PSz 26 Feb 04 |
4132 | * This seems back to front: we try HAS_SETEGID first; if not available | |
4133 | * then try HAS_SETREGID; as a last chance we try HAS_SETRESGID. May be OK | |
4134 | * in the sense that we only want to set EGID; but are there any machines | |
4135 | * with either of the latter, but not the former? Same with UID, later. | |
4136 | */ | |
fe14fcc3 | 4137 | #ifdef HAS_SETEGID |
b28d0864 | 4138 | (void)setegid(PL_statbuf.st_gid); |
a687059c | 4139 | #else |
fe14fcc3 | 4140 | #ifdef HAS_SETREGID |
b28d0864 | 4141 | (void)setregid((Gid_t)-1,PL_statbuf.st_gid); |
85e6fe83 LW |
4142 | #else |
4143 | #ifdef HAS_SETRESGID | |
b28d0864 | 4144 | (void)setresgid((Gid_t)-1,PL_statbuf.st_gid,(Gid_t)-1); |
a687059c | 4145 | #else |
b28d0864 | 4146 | PerlProc_setgid(PL_statbuf.st_gid); |
a687059c LW |
4147 | #endif |
4148 | #endif | |
85e6fe83 | 4149 | #endif |
b28d0864 | 4150 | if (PerlProc_getegid() != PL_statbuf.st_gid) |
cea2e8a9 | 4151 | Perl_croak(aTHX_ "Can't do setegid!\n"); |
83025b21 | 4152 | } |
b28d0864 NIS |
4153 | if (PL_statbuf.st_mode & S_ISUID) { |
4154 | if (PL_statbuf.st_uid != PL_euid) | |
fe14fcc3 | 4155 | #ifdef HAS_SETEUID |
b28d0864 | 4156 | (void)seteuid(PL_statbuf.st_uid); /* all that for this */ |
a687059c | 4157 | #else |
fe14fcc3 | 4158 | #ifdef HAS_SETREUID |
b28d0864 | 4159 | (void)setreuid((Uid_t)-1,PL_statbuf.st_uid); |
85e6fe83 LW |
4160 | #else |
4161 | #ifdef HAS_SETRESUID | |
b28d0864 | 4162 | (void)setresuid((Uid_t)-1,PL_statbuf.st_uid,(Uid_t)-1); |
a687059c | 4163 | #else |
b28d0864 | 4164 | PerlProc_setuid(PL_statbuf.st_uid); |
a687059c LW |
4165 | #endif |
4166 | #endif | |
85e6fe83 | 4167 | #endif |
b28d0864 | 4168 | if (PerlProc_geteuid() != PL_statbuf.st_uid) |
cea2e8a9 | 4169 | Perl_croak(aTHX_ "Can't do seteuid!\n"); |
a687059c | 4170 | } |
b28d0864 | 4171 | else if (PL_uid) { /* oops, mustn't run as root */ |
fe14fcc3 | 4172 | #ifdef HAS_SETEUID |
b28d0864 | 4173 | (void)seteuid((Uid_t)PL_uid); |
a687059c | 4174 | #else |
fe14fcc3 | 4175 | #ifdef HAS_SETREUID |
b28d0864 | 4176 | (void)setreuid((Uid_t)-1,(Uid_t)PL_uid); |
a687059c | 4177 | #else |
85e6fe83 | 4178 | #ifdef HAS_SETRESUID |
b28d0864 | 4179 | (void)setresuid((Uid_t)-1,(Uid_t)PL_uid,(Uid_t)-1); |
85e6fe83 | 4180 | #else |
b28d0864 | 4181 | PerlProc_setuid((Uid_t)PL_uid); |
85e6fe83 | 4182 | #endif |
a687059c LW |
4183 | #endif |
4184 | #endif | |
b28d0864 | 4185 | if (PerlProc_geteuid() != PL_uid) |
cea2e8a9 | 4186 | Perl_croak(aTHX_ "Can't do seteuid!\n"); |
83025b21 | 4187 | } |
748a9306 | 4188 | init_ids(); |
b28d0864 | 4189 | if (!cando(S_IXUSR,TRUE,&PL_statbuf)) |
ae3f3efd | 4190 | Perl_croak(aTHX_ "Effective UID cannot exec script\n"); /* they can't do this */ |
13281fa4 LW |
4191 | } |
4192 | #ifdef IAMSUID | |
ae3f3efd | 4193 | else if (PL_preprocess) /* PSz 13 Nov 03 Caught elsewhere, useless(?!) here */ |
cea2e8a9 | 4194 | Perl_croak(aTHX_ "-P not allowed for setuid/setgid script\n"); |
cdd8118e | 4195 | else if (fdscript < 0 || suidscript != 1) |
ae3f3efd PS |
4196 | /* PSz 13 Nov 03 Caught elsewhere, useless(?!) here */ |
4197 | Perl_croak(aTHX_ "(suid) fdscript needed in suidperl\n"); | |
e57400b1 | 4198 | else { |
ae3f3efd PS |
4199 | /* PSz 16 Sep 03 Keep neat error message */ |
4200 | Perl_croak(aTHX_ "Script is not setuid/setgid in suidperl\n"); | |
e57400b1 | 4201 | } |
96436eeb | 4202 | |
4203 | /* We absolutely must clear out any saved ids here, so we */ | |
4204 | /* exec the real perl, substituting fd script for scriptname. */ | |
4205 | /* (We pass script name as "subdir" of fd, which perl will grok.) */ | |
ae3f3efd PS |
4206 | /* |
4207 | * It might be thought that using setresgid and/or setresuid (changed to | |
4208 | * set the saved IDs) above might obviate the need to exec, and we could | |
4209 | * go on to "do the perl thing". | |
4210 | * | |
4211 | * Is there such a thing as "saved GID", and is that set for setuid (but | |
4212 | * not setgid) execution like suidperl? Without exec, it would not be | |
4213 | * cleared for setuid (but not setgid) scripts (or might need a dummy | |
4214 | * setresgid). | |
4215 | * | |
4216 | * We need suidperl to do the exact same argument checking that perl | |
4217 | * does. Thus it cannot be very small; while it could be significantly | |
4218 | * smaller, it is safer (simpler?) to make it essentially the same | |
4219 | * binary as perl (but they are not identical). - Maybe could defer that | |
4220 | * check to the invoked perl, and suidperl be a tiny wrapper instead; | |
4221 | * but prefer to do thorough checks in suidperl itself. Such deferral | |
4222 | * would make suidperl security rely on perl, a design no-no. | |
4223 | * | |
4224 | * Setuid things should be short and simple, thus easy to understand and | |
4225 | * verify. They should do their "own thing", without influence by | |
4226 | * attackers. It may help if their internal execution flow is fixed, | |
4227 | * regardless of platform: it may be best to exec anyway. | |
4228 | * | |
4229 | * Suidperl should at least be conceptually simple: a wrapper only, | |
4230 | * never to do any real perl. Maybe we should put | |
4231 | * #ifdef IAMSUID | |
4232 | * Perl_croak(aTHX_ "Suidperl should never do real perl\n"); | |
4233 | * #endif | |
4234 | * into the perly bits. | |
4235 | */ | |
b28d0864 NIS |
4236 | PerlIO_rewind(PL_rsfp); |
4237 | PerlLIO_lseek(PerlIO_fileno(PL_rsfp),(Off_t)0,0); /* just in case rewind didn't */ | |
ae3f3efd PS |
4238 | /* PSz 11 Nov 03 |
4239 | * Keep original arguments: suidperl already has fd script. | |
4240 | */ | |
4241 | /* for (which = 1; PL_origargv[which] && PL_origargv[which] != scriptname; which++) ; */ | |
4242 | /* if (!PL_origargv[which]) { */ | |
4243 | /* errno = EPERM; */ | |
4244 | /* Perl_croak(aTHX_ "Permission denied\n"); */ | |
4245 | /* } */ | |
4246 | /* PL_origargv[which] = savepv(Perl_form(aTHX_ "/dev/fd/%d/%s", */ | |
4247 | /* PerlIO_fileno(PL_rsfp), PL_origargv[which])); */ | |
96436eeb | 4248 | #if defined(HAS_FCNTL) && defined(F_SETFD) |
b28d0864 | 4249 | fcntl(PerlIO_fileno(PL_rsfp),F_SETFD,0); /* ensure no close-on-exec */ |
96436eeb | 4250 | #endif |
b35112e7 | 4251 | PERL_FPU_PRE_EXEC |
a7cb1f99 | 4252 | PerlProc_execv(Perl_form(aTHX_ "%s/perl"PERL_FS_VER_FMT, BIN_EXP, |
273cf8d1 GS |
4253 | (int)PERL_REVISION, (int)PERL_VERSION, |
4254 | (int)PERL_SUBVERSION), PL_origargv);/* try again */ | |
b35112e7 | 4255 | PERL_FPU_POST_EXEC |
ae3f3efd | 4256 | Perl_croak(aTHX_ "Can't do setuid (suidperl cannot exec perl)\n"); |
13281fa4 | 4257 | #endif /* IAMSUID */ |
a687059c | 4258 | #else /* !DOSUID */ |
294a48e9 AL |
4259 | PERL_UNUSED_ARG(fdscript); |
4260 | PERL_UNUSED_ARG(suidscript); | |
3280af22 | 4261 | if (PL_euid != PL_uid || PL_egid != PL_gid) { /* (suidperl doesn't exist, in fact) */ |
a687059c | 4262 | #ifndef SETUID_SCRIPTS_ARE_SECURE_NOW |
b28d0864 NIS |
4263 | PerlLIO_fstat(PerlIO_fileno(PL_rsfp),&PL_statbuf); /* may be either wrapped or real suid */ |
4264 | if ((PL_euid != PL_uid && PL_euid == PL_statbuf.st_uid && PL_statbuf.st_mode & S_ISUID) | |
a687059c | 4265 | || |
b28d0864 | 4266 | (PL_egid != PL_gid && PL_egid == PL_statbuf.st_gid && PL_statbuf.st_mode & S_ISGID) |
a687059c | 4267 | ) |
b28d0864 | 4268 | if (!PL_do_undump) |
cea2e8a9 | 4269 | Perl_croak(aTHX_ "YOU HAVEN'T DISABLED SET-ID SCRIPTS IN THE KERNEL YET!\n\ |
a687059c LW |
4270 | FIX YOUR KERNEL, PUT A C WRAPPER AROUND THIS SCRIPT, OR USE -u AND UNDUMP!\n"); |
4271 | #endif /* SETUID_SCRIPTS_ARE_SECURE_NOW */ | |
4272 | /* not set-id, must be wrapped */ | |
a687059c | 4273 | } |
13281fa4 | 4274 | #endif /* DOSUID */ |
294a48e9 AL |
4275 | PERL_UNUSED_ARG(validarg); |
4276 | PERL_UNUSED_ARG(scriptname); | |
79072805 | 4277 | } |
13281fa4 | 4278 | |
76e3520e | 4279 | STATIC void |
faef540c | 4280 | S_find_beginning(pTHX) |
79072805 | 4281 | { |
97aff369 | 4282 | dVAR; |
dd374669 AL |
4283 | register char *s; |
4284 | register const char *s2; | |
e55ac0fa HS |
4285 | #ifdef MACOS_TRADITIONAL |
4286 | int maclines = 0; | |
4287 | #endif | |
33b78306 LW |
4288 | |
4289 | /* skip forward in input to the real script? */ | |
4290 | ||
bf4acbe4 | 4291 | #ifdef MACOS_TRADITIONAL |
084592ab | 4292 | /* Since the Mac OS does not honor #! arguments for us, we do it ourselves */ |
ac27b0f5 | 4293 | |
bf4acbe4 | 4294 | while (PL_doextract || gMacPerl_AlwaysExtract) { |
bd61b366 | 4295 | if ((s = sv_gets(PL_linestr, PL_rsfp, 0)) == NULL) { |
bf4acbe4 GS |
4296 | if (!gMacPerl_AlwaysExtract) |
4297 | Perl_croak(aTHX_ "No Perl script found in input\n"); | |
e55ac0fa | 4298 | |
bf4acbe4 GS |
4299 | if (PL_doextract) /* require explicit override ? */ |
4300 | if (!OverrideExtract(PL_origfilename)) | |
4301 | Perl_croak(aTHX_ "User aborted script\n"); | |
4302 | else | |
4303 | PL_doextract = FALSE; | |
e55ac0fa | 4304 | |
bf4acbe4 GS |
4305 | /* Pater peccavi, file does not have #! */ |
4306 | PerlIO_rewind(PL_rsfp); | |
e55ac0fa | 4307 | |
bf4acbe4 GS |
4308 | break; |
4309 | } | |
4310 | #else | |
3280af22 | 4311 | while (PL_doextract) { |
bd61b366 | 4312 | if ((s = sv_gets(PL_linestr, PL_rsfp, 0)) == NULL) |
cea2e8a9 | 4313 | Perl_croak(aTHX_ "No Perl script found in input\n"); |
bf4acbe4 | 4314 | #endif |
4f0c37ba IZ |
4315 | s2 = s; |
4316 | if (*s == '#' && s[1] == '!' && ((s = instr(s,"perl")) || (s = instr(s2,"PERL")))) { | |
3280af22 NIS |
4317 | PerlIO_ungetc(PL_rsfp, '\n'); /* to keep line count right */ |
4318 | PL_doextract = FALSE; | |
6e72f9df | 4319 | while (*s && !(isSPACE (*s) || *s == '#')) s++; |
4320 | s2 = s; | |
4321 | while (*s == ' ' || *s == '\t') s++; | |
4322 | if (*s++ == '-') { | |
3792a11b NC |
4323 | while (isDIGIT(s2[-1]) || s2[-1] == '-' || s2[-1] == '.' |
4324 | || s2[-1] == '_') s2--; | |
6e72f9df | 4325 | if (strnEQ(s2-4,"perl",4)) |
97bd5664 | 4326 | while ((s = moreswitches(s))) |
155aba94 | 4327 | ; |
33b78306 | 4328 | } |
95e8664e | 4329 | #ifdef MACOS_TRADITIONAL |
e55ac0fa HS |
4330 | /* We are always searching for the #!perl line in MacPerl, |
4331 | * so if we find it, still keep the line count correct | |
4332 | * by counting lines we already skipped over | |
4333 | */ | |
4334 | for (; maclines > 0 ; maclines--) | |
4335 | PerlIO_ungetc(PL_rsfp, '\n'); | |
4336 | ||
95e8664e | 4337 | break; |
e55ac0fa HS |
4338 | |
4339 | /* gMacPerl_AlwaysExtract is false in MPW tool */ | |
4340 | } else if (gMacPerl_AlwaysExtract) { | |
4341 | ++maclines; | |
95e8664e | 4342 | #endif |
83025b21 LW |
4343 | } |
4344 | } | |
4345 | } | |
4346 | ||
afe37c7d | 4347 | |
76e3520e | 4348 | STATIC void |
cea2e8a9 | 4349 | S_init_ids(pTHX) |
352d5a3a | 4350 | { |
97aff369 | 4351 | dVAR; |
d8eceb89 JH |
4352 | PL_uid = PerlProc_getuid(); |
4353 | PL_euid = PerlProc_geteuid(); | |
4354 | PL_gid = PerlProc_getgid(); | |
4355 | PL_egid = PerlProc_getegid(); | |
748a9306 | 4356 | #ifdef VMS |
b28d0864 NIS |
4357 | PL_uid |= PL_gid << 16; |
4358 | PL_euid |= PL_egid << 16; | |
748a9306 | 4359 | #endif |
22f7c9c9 JH |
4360 | /* Should not happen: */ |
4361 | CHECK_MALLOC_TAINT(PL_uid && (PL_euid != PL_uid || PL_egid != PL_gid)); | |
3280af22 | 4362 | PL_tainting |= (PL_uid && (PL_euid != PL_uid || PL_egid != PL_gid)); |
ae3f3efd PS |
4363 | /* BUG */ |
4364 | /* PSz 27 Feb 04 | |
4365 | * Should go by suidscript, not uid!=euid: why disallow | |
4366 | * system("ls") in scripts run from setuid things? | |
4367 | * Or, is this run before we check arguments and set suidscript? | |
4368 | * What about SETUID_SCRIPTS_ARE_SECURE_NOW: could we use fdscript then? | |
4369 | * (We never have suidscript, can we be sure to have fdscript?) | |
4370 | * Or must then go by UID checks? See comments in forbid_setid also. | |
4371 | */ | |
748a9306 | 4372 | } |
79072805 | 4373 | |
a0643315 JH |
4374 | /* This is used very early in the lifetime of the program, |
4375 | * before even the options are parsed, so PL_tainting has | |
b0891165 | 4376 | * not been initialized properly. */ |
af419de7 | 4377 | bool |
8f42b153 | 4378 | Perl_doing_taint(int argc, char *argv[], char *envp[]) |
22f7c9c9 | 4379 | { |
c3446a78 JH |
4380 | #ifndef PERL_IMPLICIT_SYS |
4381 | /* If we have PERL_IMPLICIT_SYS we can't call getuid() et alia | |
4382 | * before we have an interpreter-- and the whole point of this | |
4383 | * function is to be called at such an early stage. If you are on | |
4384 | * a system with PERL_IMPLICIT_SYS but you do have a concept of | |
4385 | * "tainted because running with altered effective ids', you'll | |
4386 | * have to add your own checks somewhere in here. The two most | |
4387 | * known samples of 'implicitness' are Win32 and NetWare, neither | |
4388 | * of which has much of concept of 'uids'. */ | |
af419de7 | 4389 | int uid = PerlProc_getuid(); |
22f7c9c9 | 4390 | int euid = PerlProc_geteuid(); |
af419de7 | 4391 | int gid = PerlProc_getgid(); |
22f7c9c9 | 4392 | int egid = PerlProc_getegid(); |
6867be6d | 4393 | (void)envp; |
22f7c9c9 JH |
4394 | |
4395 | #ifdef VMS | |
af419de7 | 4396 | uid |= gid << 16; |
22f7c9c9 JH |
4397 | euid |= egid << 16; |
4398 | #endif | |
4399 | if (uid && (euid != uid || egid != gid)) | |
4400 | return 1; | |
c3446a78 | 4401 | #endif /* !PERL_IMPLICIT_SYS */ |
af419de7 JH |
4402 | /* This is a really primitive check; environment gets ignored only |
4403 | * if -T are the first chars together; otherwise one gets | |
4404 | * "Too late" message. */ | |
22f7c9c9 JH |
4405 | if ( argc > 1 && argv[1][0] == '-' |
4406 | && (argv[1][1] == 't' || argv[1][1] == 'T') ) | |
4407 | return 1; | |
4408 | return 0; | |
4409 | } | |
22f7c9c9 | 4410 | |
d0bafe7e NC |
4411 | /* Passing the flag as a single char rather than a string is a slight space |
4412 | optimisation. The only message that isn't /^-.$/ is | |
4413 | "program input from stdin", which is substituted in place of '\0', which | |
4414 | could never be a command line flag. */ | |
76e3520e | 4415 | STATIC void |
cdd8118e | 4416 | S_forbid_setid(pTHX_ const char flag, const int suidscript) |
bbce6d69 | 4417 | { |
97aff369 | 4418 | dVAR; |
d0bafe7e NC |
4419 | char string[3] = "-x"; |
4420 | const char *message = "program input from stdin"; | |
4421 | ||
4422 | if (flag) { | |
4423 | string[1] = flag; | |
4424 | message = string; | |
4425 | } | |
4426 | ||
ae3f3efd | 4427 | #ifdef SETUID_SCRIPTS_ARE_SECURE_NOW |
3280af22 | 4428 | if (PL_euid != PL_uid) |
d0bafe7e | 4429 | Perl_croak(aTHX_ "No %s allowed while running setuid", message); |
3280af22 | 4430 | if (PL_egid != PL_gid) |
d0bafe7e | 4431 | Perl_croak(aTHX_ "No %s allowed while running setgid", message); |
ae3f3efd PS |
4432 | #endif /* SETUID_SCRIPTS_ARE_SECURE_NOW */ |
4433 | /* PSz 29 Feb 04 | |
4434 | * Checks for UID/GID above "wrong": why disallow | |
4435 | * perl -e 'print "Hello\n"' | |
4436 | * from within setuid things?? Simply drop them: replaced by | |
4437 | * fdscript/suidscript and #ifdef IAMSUID checks below. | |
4438 | * | |
4439 | * This may be too late for command-line switches. Will catch those on | |
4440 | * the #! line, after finding the script name and setting up | |
4441 | * fdscript/suidscript. Note that suidperl does not get around to | |
4442 | * parsing (and checking) the switches on the #! line, but checks that | |
4443 | * the two sets are identical. | |
4444 | * | |
4445 | * With SETUID_SCRIPTS_ARE_SECURE_NOW, could we use fdscript, also or | |
4446 | * instead, or would that be "too late"? (We never have suidscript, can | |
4447 | * we be sure to have fdscript?) | |
4448 | * | |
4449 | * Catch things with suidscript (in descendant of suidperl), even with | |
4450 | * right UID/GID. Was already checked in suidperl, with #ifdef IAMSUID, | |
4451 | * below; but I am paranoid. | |
4452 | * | |
4453 | * Also see comments about root running a setuid script, elsewhere. | |
4454 | */ | |
cdd8118e | 4455 | if (suidscript >= 0) |
d0bafe7e | 4456 | Perl_croak(aTHX_ "No %s allowed with (suid) fdscript", message); |
ae3f3efd PS |
4457 | #ifdef IAMSUID |
4458 | /* PSz 11 Nov 03 Catch it in suidperl, always! */ | |
d0bafe7e | 4459 | Perl_croak(aTHX_ "No %s allowed in suidperl", message); |
ae3f3efd | 4460 | #endif /* IAMSUID */ |
bbce6d69 | 4461 | } |
4462 | ||
1ee4443e IZ |
4463 | void |
4464 | Perl_init_debugger(pTHX) | |
748a9306 | 4465 | { |
97aff369 | 4466 | dVAR; |
c4420975 | 4467 | HV * const ostash = PL_curstash; |
1ee4443e | 4468 | |
3280af22 | 4469 | PL_curstash = PL_debstash; |
5c1737d1 NC |
4470 | PL_dbargs = GvAV(gv_AVadd((gv_fetchpvs("DB::args", GV_ADDMULTI, |
4471 | SVt_PVAV)))); | |
3280af22 | 4472 | AvREAL_off(PL_dbargs); |
5c1737d1 NC |
4473 | PL_DBgv = gv_fetchpvs("DB::DB", GV_ADDMULTI, SVt_PVGV); |
4474 | PL_DBline = gv_fetchpvs("DB::dbline", GV_ADDMULTI, SVt_PVAV); | |
4475 | PL_DBsub = gv_HVadd(gv_fetchpvs("DB::sub", GV_ADDMULTI, SVt_PVHV)); | |
4476 | PL_DBsingle = GvSV((gv_fetchpvs("DB::single", GV_ADDMULTI, SVt_PV))); | |
ac27b0f5 | 4477 | sv_setiv(PL_DBsingle, 0); |
5c1737d1 | 4478 | PL_DBtrace = GvSV((gv_fetchpvs("DB::trace", GV_ADDMULTI, SVt_PV))); |
ac27b0f5 | 4479 | sv_setiv(PL_DBtrace, 0); |
5c1737d1 | 4480 | PL_DBsignal = GvSV((gv_fetchpvs("DB::signal", GV_ADDMULTI, SVt_PV))); |
ac27b0f5 | 4481 | sv_setiv(PL_DBsignal, 0); |
5c1737d1 | 4482 | PL_DBassertion = GvSV((gv_fetchpvs("DB::assertion", GV_ADDMULTI, SVt_PV))); |
06492da6 | 4483 | sv_setiv(PL_DBassertion, 0); |
1ee4443e | 4484 | PL_curstash = ostash; |
352d5a3a LW |
4485 | } |
4486 | ||
2ce36478 SM |
4487 | #ifndef STRESS_REALLOC |
4488 | #define REASONABLE(size) (size) | |
4489 | #else | |
4490 | #define REASONABLE(size) (1) /* unreasonable */ | |
4491 | #endif | |
4492 | ||
11343788 | 4493 | void |
cea2e8a9 | 4494 | Perl_init_stacks(pTHX) |
79072805 | 4495 | { |
97aff369 | 4496 | dVAR; |
e336de0d | 4497 | /* start with 128-item stack and 8K cxstack */ |
3280af22 | 4498 | PL_curstackinfo = new_stackinfo(REASONABLE(128), |
e336de0d | 4499 | REASONABLE(8192/sizeof(PERL_CONTEXT) - 1)); |
3280af22 NIS |
4500 | PL_curstackinfo->si_type = PERLSI_MAIN; |
4501 | PL_curstack = PL_curstackinfo->si_stack; | |
4502 | PL_mainstack = PL_curstack; /* remember in case we switch stacks */ | |
79072805 | 4503 | |
3280af22 NIS |
4504 | PL_stack_base = AvARRAY(PL_curstack); |
4505 | PL_stack_sp = PL_stack_base; | |
4506 | PL_stack_max = PL_stack_base + AvMAX(PL_curstack); | |
8990e307 | 4507 | |
a02a5408 | 4508 | Newx(PL_tmps_stack,REASONABLE(128),SV*); |
3280af22 NIS |
4509 | PL_tmps_floor = -1; |
4510 | PL_tmps_ix = -1; | |
4511 | PL_tmps_max = REASONABLE(128); | |
8990e307 | 4512 | |
a02a5408 | 4513 | Newx(PL_markstack,REASONABLE(32),I32); |
3280af22 NIS |
4514 | PL_markstack_ptr = PL_markstack; |
4515 | PL_markstack_max = PL_markstack + REASONABLE(32); | |
79072805 | 4516 | |
ce2f7c3b | 4517 | SET_MARK_OFFSET; |
e336de0d | 4518 | |
a02a5408 | 4519 | Newx(PL_scopestack,REASONABLE(32),I32); |
3280af22 NIS |
4520 | PL_scopestack_ix = 0; |
4521 | PL_scopestack_max = REASONABLE(32); | |
79072805 | 4522 | |
a02a5408 | 4523 | Newx(PL_savestack,REASONABLE(128),ANY); |
3280af22 NIS |
4524 | PL_savestack_ix = 0; |
4525 | PL_savestack_max = REASONABLE(128); | |
378cc40b | 4526 | } |
33b78306 | 4527 | |
2ce36478 SM |
4528 | #undef REASONABLE |
4529 | ||
76e3520e | 4530 | STATIC void |
cea2e8a9 | 4531 | S_nuke_stacks(pTHX) |
6e72f9df | 4532 | { |
97aff369 | 4533 | dVAR; |
3280af22 NIS |
4534 | while (PL_curstackinfo->si_next) |
4535 | PL_curstackinfo = PL_curstackinfo->si_next; | |
4536 | while (PL_curstackinfo) { | |
4537 | PERL_SI *p = PL_curstackinfo->si_prev; | |
bac4b2ad | 4538 | /* curstackinfo->si_stack got nuked by sv_free_arenas() */ |
3280af22 NIS |
4539 | Safefree(PL_curstackinfo->si_cxstack); |
4540 | Safefree(PL_curstackinfo); | |
4541 | PL_curstackinfo = p; | |
e336de0d | 4542 | } |
3280af22 NIS |
4543 | Safefree(PL_tmps_stack); |
4544 | Safefree(PL_markstack); | |
4545 | Safefree(PL_scopestack); | |
4546 | Safefree(PL_savestack); | |
378cc40b | 4547 | } |
33b78306 | 4548 | |
76e3520e | 4549 | STATIC void |
cea2e8a9 | 4550 | S_init_lexer(pTHX) |
8990e307 | 4551 | { |
97aff369 | 4552 | dVAR; |
06039172 | 4553 | PerlIO *tmpfp; |
3280af22 | 4554 | tmpfp = PL_rsfp; |
4608196e | 4555 | PL_rsfp = NULL; |
3280af22 NIS |
4556 | lex_start(PL_linestr); |
4557 | PL_rsfp = tmpfp; | |
396482e1 | 4558 | PL_subname = newSVpvs("main"); |
8990e307 LW |
4559 | } |
4560 | ||
76e3520e | 4561 | STATIC void |
cea2e8a9 | 4562 | S_init_predump_symbols(pTHX) |
45d8adaa | 4563 | { |
97aff369 | 4564 | dVAR; |
93a17b20 | 4565 | GV *tmpgv; |
af8c498a | 4566 | IO *io; |
79072805 | 4567 | |
864dbfa3 | 4568 | sv_setpvn(get_sv("\"", TRUE), " ", 1); |
fafc274c | 4569 | PL_stdingv = gv_fetchpvs("STDIN", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
3280af22 | 4570 | GvMULTI_on(PL_stdingv); |
af8c498a | 4571 | io = GvIOp(PL_stdingv); |
a04651f4 | 4572 | IoTYPE(io) = IoTYPE_RDONLY; |
af8c498a | 4573 | IoIFP(io) = PerlIO_stdin(); |
fafc274c | 4574 | tmpgv = gv_fetchpvs("stdin", GV_ADD|GV_NOTQUAL, SVt_PV); |
a5f75d66 | 4575 | GvMULTI_on(tmpgv); |
b37c2d43 | 4576 | GvIOp(tmpgv) = (IO*)SvREFCNT_inc_simple(io); |
79072805 | 4577 | |
fafc274c | 4578 | tmpgv = gv_fetchpvs("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
a5f75d66 | 4579 | GvMULTI_on(tmpgv); |
af8c498a | 4580 | io = GvIOp(tmpgv); |
a04651f4 | 4581 | IoTYPE(io) = IoTYPE_WRONLY; |
af8c498a | 4582 | IoOFP(io) = IoIFP(io) = PerlIO_stdout(); |
4633a7c4 | 4583 | setdefout(tmpgv); |
fafc274c | 4584 | tmpgv = gv_fetchpvs("stdout", GV_ADD|GV_NOTQUAL, SVt_PV); |
a5f75d66 | 4585 | GvMULTI_on(tmpgv); |
b37c2d43 | 4586 | GvIOp(tmpgv) = (IO*)SvREFCNT_inc_simple(io); |
79072805 | 4587 | |
fafc274c | 4588 | PL_stderrgv = gv_fetchpvs("STDERR", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
bf49b057 GS |
4589 | GvMULTI_on(PL_stderrgv); |
4590 | io = GvIOp(PL_stderrgv); | |
a04651f4 | 4591 | IoTYPE(io) = IoTYPE_WRONLY; |
af8c498a | 4592 | IoOFP(io) = IoIFP(io) = PerlIO_stderr(); |
fafc274c | 4593 | tmpgv = gv_fetchpvs("stderr", GV_ADD|GV_NOTQUAL, SVt_PV); |
a5f75d66 | 4594 | GvMULTI_on(tmpgv); |
b37c2d43 | 4595 | GvIOp(tmpgv) = (IO*)SvREFCNT_inc_simple(io); |
79072805 | 4596 | |
561b68a9 | 4597 | PL_statname = newSV(0); /* last filename we did stat on */ |
ab821d7f | 4598 | |
43c5f42d | 4599 | Safefree(PL_osname); |
bf4acbe4 | 4600 | PL_osname = savepv(OSNAME); |
79072805 | 4601 | } |
33b78306 | 4602 | |
a11ec5a9 | 4603 | void |
8f42b153 | 4604 | Perl_init_argv_symbols(pTHX_ register int argc, register char **argv) |
33b78306 | 4605 | { |
97aff369 | 4606 | dVAR; |
79072805 | 4607 | argc--,argv++; /* skip name of script */ |
3280af22 | 4608 | if (PL_doswitches) { |
79072805 | 4609 | for (; argc > 0 && **argv == '-'; argc--,argv++) { |
aec46f14 | 4610 | char *s; |
79072805 LW |
4611 | if (!argv[0][1]) |
4612 | break; | |
379d538a | 4613 | if (argv[0][1] == '-' && !argv[0][2]) { |
79072805 LW |
4614 | argc--,argv++; |
4615 | break; | |
4616 | } | |
155aba94 | 4617 | if ((s = strchr(argv[0], '='))) { |
b3d904f3 NC |
4618 | const char *const start_name = argv[0] + 1; |
4619 | sv_setpv(GvSV(gv_fetchpvn_flags(start_name, s - start_name, | |
4620 | TRUE, SVt_PV)), s + 1); | |
79072805 LW |
4621 | } |
4622 | else | |
71315bf2 | 4623 | sv_setiv(GvSV(gv_fetchpv(argv[0]+1, GV_ADD, SVt_PV)),1); |
fe14fcc3 | 4624 | } |
79072805 | 4625 | } |
fafc274c | 4626 | if ((PL_argvgv = gv_fetchpvs("ARGV", GV_ADD|GV_NOTQUAL, SVt_PVAV))) { |
a11ec5a9 RGS |
4627 | GvMULTI_on(PL_argvgv); |
4628 | (void)gv_AVadd(PL_argvgv); | |
4629 | av_clear(GvAVn(PL_argvgv)); | |
4630 | for (; argc > 0; argc--,argv++) { | |
aec46f14 | 4631 | SV * const sv = newSVpv(argv[0],0); |
a11ec5a9 | 4632 | av_push(GvAVn(PL_argvgv),sv); |
ce81ff12 JH |
4633 | if (!(PL_unicode & PERL_UNICODE_LOCALE_FLAG) || PL_utf8locale) { |
4634 | if (PL_unicode & PERL_UNICODE_ARGV_FLAG) | |
4635 | SvUTF8_on(sv); | |
4636 | } | |
a05d7ebb JH |
4637 | if (PL_unicode & PERL_UNICODE_WIDESYSCALLS_FLAG) /* Sarathy? */ |
4638 | (void)sv_utf8_decode(sv); | |
a11ec5a9 RGS |
4639 | } |
4640 | } | |
4641 | } | |
4642 | ||
4643 | STATIC void | |
4644 | S_init_postdump_symbols(pTHX_ register int argc, register char **argv, register char **env) | |
4645 | { | |
27da23d5 | 4646 | dVAR; |
a11ec5a9 | 4647 | GV* tmpgv; |
a11ec5a9 | 4648 | |
561b68a9 | 4649 | PL_toptarget = newSV(0); |
3280af22 NIS |
4650 | sv_upgrade(PL_toptarget, SVt_PVFM); |
4651 | sv_setpvn(PL_toptarget, "", 0); | |
561b68a9 | 4652 | PL_bodytarget = newSV(0); |
3280af22 NIS |
4653 | sv_upgrade(PL_bodytarget, SVt_PVFM); |
4654 | sv_setpvn(PL_bodytarget, "", 0); | |
4655 | PL_formtarget = PL_bodytarget; | |
79072805 | 4656 | |
bbce6d69 | 4657 | TAINT; |
a11ec5a9 RGS |
4658 | |
4659 | init_argv_symbols(argc,argv); | |
4660 | ||
fafc274c | 4661 | if ((tmpgv = gv_fetchpvs("0", GV_ADD|GV_NOTQUAL, SVt_PV))) { |
bf4acbe4 GS |
4662 | #ifdef MACOS_TRADITIONAL |
4663 | /* $0 is not majick on a Mac */ | |
4664 | sv_setpv(GvSV(tmpgv),MacPerl_MPWFileName(PL_origfilename)); | |
4665 | #else | |
3280af22 | 4666 | sv_setpv(GvSV(tmpgv),PL_origfilename); |
79072805 | 4667 | magicname("0", "0", 1); |
bf4acbe4 | 4668 | #endif |
79072805 | 4669 | } |
fafc274c | 4670 | if ((PL_envgv = gv_fetchpvs("ENV", GV_ADD|GV_NOTQUAL, SVt_PVHV))) { |
79072805 | 4671 | HV *hv; |
e17132c1 | 4672 | bool env_is_not_environ; |
3280af22 NIS |
4673 | GvMULTI_on(PL_envgv); |
4674 | hv = GvHVn(PL_envgv); | |
a0714e2c | 4675 | hv_magic(hv, NULL, PERL_MAGIC_env); |
2f42fcb0 | 4676 | #ifndef PERL_MICRO |
fa6a1c44 | 4677 | #ifdef USE_ENVIRON_ARRAY |
4633a7c4 LW |
4678 | /* Note that if the supplied env parameter is actually a copy |
4679 | of the global environ then it may now point to free'd memory | |
4680 | if the environment has been modified since. To avoid this | |
4681 | problem we treat env==NULL as meaning 'use the default' | |
4682 | */ | |
4683 | if (!env) | |
4684 | env = environ; | |
e17132c1 JD |
4685 | env_is_not_environ = env != environ; |
4686 | if (env_is_not_environ | |
4efc5df6 GS |
4687 | # ifdef USE_ITHREADS |
4688 | && PL_curinterp == aTHX | |
4689 | # endif | |
4690 | ) | |
4691 | { | |
bd61b366 | 4692 | environ[0] = NULL; |
4efc5df6 | 4693 | } |
9b4eeda5 MB |
4694 | if (env) { |
4695 | char** origenv = environ; | |
27da23d5 JH |
4696 | char *s; |
4697 | SV *sv; | |
764df951 | 4698 | for (; *env; env++) { |
9b4eeda5 | 4699 | if (!(s = strchr(*env,'=')) || s == *env) |
79072805 | 4700 | continue; |
7da0e383 | 4701 | #if defined(MSDOS) && !defined(DJGPP) |
61968511 | 4702 | *s = '\0'; |
137443ea | 4703 | (void)strupr(*env); |
61968511 | 4704 | *s = '='; |
137443ea | 4705 | #endif |
61968511 | 4706 | sv = newSVpv(s+1, 0); |
79072805 | 4707 | (void)hv_store(hv, *env, s - *env, sv, 0); |
e17132c1 | 4708 | if (env_is_not_environ) |
61968511 | 4709 | mg_set(sv); |
9b4eeda5 MB |
4710 | if (origenv != environ) { |
4711 | /* realloc has shifted us */ | |
4712 | env = (env - origenv) + environ; | |
4713 | origenv = environ; | |
4714 | } | |
764df951 | 4715 | } |
9b4eeda5 | 4716 | } |
103a7189 | 4717 | #endif /* USE_ENVIRON_ARRAY */ |
2f42fcb0 | 4718 | #endif /* !PERL_MICRO */ |
79072805 | 4719 | } |
bbce6d69 | 4720 | TAINT_NOT; |
fafc274c | 4721 | if ((tmpgv = gv_fetchpvs("$", GV_ADD|GV_NOTQUAL, SVt_PV))) { |
306196c3 | 4722 | SvREADONLY_off(GvSV(tmpgv)); |
7766f137 | 4723 | sv_setiv(GvSV(tmpgv), (IV)PerlProc_getpid()); |
306196c3 MS |
4724 | SvREADONLY_on(GvSV(tmpgv)); |
4725 | } | |
4d76a344 RGS |
4726 | #ifdef THREADS_HAVE_PIDS |
4727 | PL_ppid = (IV)getppid(); | |
4728 | #endif | |
2710853f MJD |
4729 | |
4730 | /* touch @F array to prevent spurious warnings 20020415 MJD */ | |
4731 | if (PL_minus_a) { | |
4732 | (void) get_av("main::F", TRUE | GV_ADDMULTI); | |
4733 | } | |
4734 | /* touch @- and @+ arrays to prevent spurious warnings 20020415 MJD */ | |
4735 | (void) get_av("main::-", TRUE | GV_ADDMULTI); | |
4736 | (void) get_av("main::+", TRUE | GV_ADDMULTI); | |
33b78306 | 4737 | } |
34de22dd | 4738 | |
76e3520e | 4739 | STATIC void |
cea2e8a9 | 4740 | S_init_perllib(pTHX) |
34de22dd | 4741 | { |
97aff369 | 4742 | dVAR; |
85e6fe83 | 4743 | char *s; |
3280af22 | 4744 | if (!PL_tainting) { |
552a7a9b | 4745 | #ifndef VMS |
76e3520e | 4746 | s = PerlEnv_getenv("PERL5LIB"); |
88f5bc07 AB |
4747 | /* |
4748 | * It isn't possible to delete an environment variable with | |
42a3dd3a RGS |
4749 | * PERL_USE_SAFE_PUTENV set unless unsetenv() is also available, so in that |
4750 | * case we treat PERL5LIB as undefined if it has a zero-length value. | |
88f5bc07 AB |
4751 | */ |
4752 | #if defined(PERL_USE_SAFE_PUTENV) && ! defined(HAS_UNSETENV) | |
4753 | if (s && *s != '\0') | |
4754 | #else | |
85e6fe83 | 4755 | if (s) |
88f5bc07 | 4756 | #endif |
88fe16b2 | 4757 | incpush(s, TRUE, TRUE, TRUE, FALSE); |
85e6fe83 | 4758 | else |
88fe16b2 | 4759 | incpush(PerlEnv_getenv("PERLLIB"), FALSE, FALSE, TRUE, FALSE); |
552a7a9b | 4760 | #else /* VMS */ |
4761 | /* Treat PERL5?LIB as a possible search list logical name -- the | |
4762 | * "natural" VMS idiom for a Unix path string. We allow each | |
4763 | * element to be a set of |-separated directories for compatibility. | |
4764 | */ | |
4765 | char buf[256]; | |
4766 | int idx = 0; | |
4767 | if (my_trnlnm("PERL5LIB",buf,0)) | |
88fe16b2 | 4768 | do { incpush(buf,TRUE,TRUE,TRUE,FALSE); } while (my_trnlnm("PERL5LIB",buf,++idx)); |
552a7a9b | 4769 | else |
88fe16b2 | 4770 | while (my_trnlnm("PERLLIB",buf,idx++)) incpush(buf,FALSE,FALSE,TRUE,FALSE); |
552a7a9b | 4771 | #endif /* VMS */ |
85e6fe83 | 4772 | } |
34de22dd | 4773 | |
c90c0ff4 | 4774 | /* Use the ~-expanded versions of APPLLIB (undocumented), |
65f19062 | 4775 | ARCHLIB PRIVLIB SITEARCH SITELIB VENDORARCH and VENDORLIB |
df5cef82 | 4776 | */ |
4633a7c4 | 4777 | #ifdef APPLLIB_EXP |
88fe16b2 | 4778 | incpush(APPLLIB_EXP, TRUE, TRUE, TRUE, TRUE); |
16d20bd9 | 4779 | #endif |
4633a7c4 | 4780 | |
fed7345c | 4781 | #ifdef ARCHLIB_EXP |
88fe16b2 | 4782 | incpush(ARCHLIB_EXP, FALSE, FALSE, TRUE, TRUE); |
a0d0e21e | 4783 | #endif |
bf4acbe4 GS |
4784 | #ifdef MACOS_TRADITIONAL |
4785 | { | |
c623ac67 | 4786 | Stat_t tmpstatbuf; |
561b68a9 | 4787 | SV * privdir = newSV(0); |
bf4acbe4 GS |
4788 | char * macperl = PerlEnv_getenv("MACPERL"); |
4789 | ||
4790 | if (!macperl) | |
4791 | macperl = ""; | |
4792 | ||
4793 | Perl_sv_setpvf(aTHX_ privdir, "%slib:", macperl); | |
4794 | if (PerlLIO_stat(SvPVX(privdir), &tmpstatbuf) >= 0 && S_ISDIR(tmpstatbuf.st_mode)) | |
88fe16b2 | 4795 | incpush(SvPVX(privdir), TRUE, FALSE, TRUE, FALSE); |
bf4acbe4 GS |
4796 | Perl_sv_setpvf(aTHX_ privdir, "%ssite_perl:", macperl); |
4797 | if (PerlLIO_stat(SvPVX(privdir), &tmpstatbuf) >= 0 && S_ISDIR(tmpstatbuf.st_mode)) | |
88fe16b2 | 4798 | incpush(SvPVX(privdir), TRUE, FALSE, TRUE, FALSE); |
ac27b0f5 | 4799 | |
bf4acbe4 GS |
4800 | SvREFCNT_dec(privdir); |
4801 | } | |
4802 | if (!PL_tainting) | |
88fe16b2 | 4803 | incpush(":", FALSE, FALSE, TRUE, FALSE); |
bf4acbe4 | 4804 | #else |
fed7345c | 4805 | #ifndef PRIVLIB_EXP |
65f19062 | 4806 | # define PRIVLIB_EXP "/usr/local/lib/perl5:/usr/local/lib/perl" |
34de22dd | 4807 | #endif |
ac27b0f5 | 4808 | #if defined(WIN32) |
88fe16b2 | 4809 | incpush(PRIVLIB_EXP, TRUE, FALSE, TRUE, TRUE); |
00dc2f4f | 4810 | #else |
88fe16b2 | 4811 | incpush(PRIVLIB_EXP, FALSE, FALSE, TRUE, TRUE); |
00dc2f4f | 4812 | #endif |
4633a7c4 | 4813 | |
65f19062 | 4814 | #ifdef SITEARCH_EXP |
3b290362 GS |
4815 | /* sitearch is always relative to sitelib on Windows for |
4816 | * DLL-based path intuition to work correctly */ | |
4817 | # if !defined(WIN32) | |
88fe16b2 | 4818 | incpush(SITEARCH_EXP, FALSE, FALSE, TRUE, TRUE); |
65f19062 GS |
4819 | # endif |
4820 | #endif | |
4821 | ||
4633a7c4 | 4822 | #ifdef SITELIB_EXP |
65f19062 | 4823 | # if defined(WIN32) |
574c798a | 4824 | /* this picks up sitearch as well */ |
88fe16b2 | 4825 | incpush(SITELIB_EXP, TRUE, FALSE, TRUE, TRUE); |
65f19062 | 4826 | # else |
88fe16b2 | 4827 | incpush(SITELIB_EXP, FALSE, FALSE, TRUE, TRUE); |
65f19062 GS |
4828 | # endif |
4829 | #endif | |
189d1e8d | 4830 | |
c95d0e17 GA |
4831 | #if defined(SITELIB_STEM) && defined(PERL_INC_VERSION_LIST) |
4832 | /* Search for version-specific dirs below here */ | |
88fe16b2 | 4833 | incpush(SITELIB_STEM, FALSE, TRUE, TRUE, TRUE); |
81c6dfba | 4834 | #endif |
65f19062 GS |
4835 | |
4836 | #ifdef PERL_VENDORARCH_EXP | |
4ea817c6 | 4837 | /* vendorarch is always relative to vendorlib on Windows for |
3b290362 GS |
4838 | * DLL-based path intuition to work correctly */ |
4839 | # if !defined(WIN32) | |
88fe16b2 | 4840 | incpush(PERL_VENDORARCH_EXP, FALSE, FALSE, TRUE, TRUE); |
65f19062 | 4841 | # endif |
4b03c463 | 4842 | #endif |
65f19062 GS |
4843 | |
4844 | #ifdef PERL_VENDORLIB_EXP | |
4845 | # if defined(WIN32) | |
88fe16b2 | 4846 | incpush(PERL_VENDORLIB_EXP, TRUE, FALSE, TRUE, TRUE); /* this picks up vendorarch as well */ |
65f19062 | 4847 | # else |
88fe16b2 | 4848 | incpush(PERL_VENDORLIB_EXP, FALSE, FALSE, TRUE, TRUE); |
65f19062 | 4849 | # endif |
a3635516 | 4850 | #endif |
65f19062 GS |
4851 | |
4852 | #ifdef PERL_VENDORLIB_STEM /* Search for version-specific dirs below here */ | |
88fe16b2 | 4853 | incpush(PERL_VENDORLIB_STEM, FALSE, TRUE, TRUE, TRUE); |
00dc2f4f | 4854 | #endif |
65f19062 | 4855 | |
3b777bb4 | 4856 | #ifdef PERL_OTHERLIBDIRS |
88fe16b2 | 4857 | incpush(PERL_OTHERLIBDIRS, TRUE, TRUE, TRUE, TRUE); |
3b777bb4 GS |
4858 | #endif |
4859 | ||
3280af22 | 4860 | if (!PL_tainting) |
88fe16b2 | 4861 | incpush(".", FALSE, FALSE, TRUE, FALSE); |
bf4acbe4 | 4862 | #endif /* MACOS_TRADITIONAL */ |
774d564b | 4863 | } |
4864 | ||
a0fd4948 | 4865 | #if defined(DOSISH) || defined(EPOC) || defined(__SYMBIAN32__) |
774d564b | 4866 | # define PERLLIB_SEP ';' |
4867 | #else | |
4868 | # if defined(VMS) | |
4869 | # define PERLLIB_SEP '|' | |
4870 | # else | |
bf4acbe4 GS |
4871 | # if defined(MACOS_TRADITIONAL) |
4872 | # define PERLLIB_SEP ',' | |
4873 | # else | |
4874 | # define PERLLIB_SEP ':' | |
4875 | # endif | |
774d564b | 4876 | # endif |
4877 | #endif | |
4878 | #ifndef PERLLIB_MANGLE | |
4879 | # define PERLLIB_MANGLE(s,n) (s) | |
ac27b0f5 | 4880 | #endif |
774d564b | 4881 | |
ad17a1ae NC |
4882 | /* Push a directory onto @INC if it exists. |
4883 | Generate a new SV if we do this, to save needing to copy the SV we push | |
4884 | onto @INC */ | |
4885 | STATIC SV * | |
4886 | S_incpush_if_exists(pTHX_ SV *dir) | |
4887 | { | |
97aff369 | 4888 | dVAR; |
ad17a1ae | 4889 | Stat_t tmpstatbuf; |
848ef955 | 4890 | if (PerlLIO_stat(SvPVX_const(dir), &tmpstatbuf) >= 0 && |
ad17a1ae NC |
4891 | S_ISDIR(tmpstatbuf.st_mode)) { |
4892 | av_push(GvAVn(PL_incgv), dir); | |
561b68a9 | 4893 | dir = newSV(0); |
ad17a1ae NC |
4894 | } |
4895 | return dir; | |
4896 | } | |
4897 | ||
76e3520e | 4898 | STATIC void |
dd374669 AL |
4899 | S_incpush(pTHX_ const char *dir, bool addsubdirs, bool addoldvers, bool usesep, |
4900 | bool canrelocate) | |
774d564b | 4901 | { |
97aff369 | 4902 | dVAR; |
a0714e2c | 4903 | SV *subdir = NULL; |
dd374669 | 4904 | const char *p = dir; |
774d564b | 4905 | |
3b290362 | 4906 | if (!p || !*p) |
774d564b | 4907 | return; |
4908 | ||
9c8a64f0 | 4909 | if (addsubdirs || addoldvers) { |
561b68a9 | 4910 | subdir = newSV(0); |
774d564b | 4911 | } |
4912 | ||
4913 | /* Break at all separators */ | |
4914 | while (p && *p) { | |
561b68a9 | 4915 | SV *libdir = newSV(0); |
e1ec3a88 | 4916 | const char *s; |
774d564b | 4917 | |
4918 | /* skip any consecutive separators */ | |
574c798a SR |
4919 | if (usesep) { |
4920 | while ( *p == PERLLIB_SEP ) { | |
4921 | /* Uncomment the next line for PATH semantics */ | |
396482e1 | 4922 | /* av_push(GvAVn(PL_incgv), newSVpvs(".")); */ |
574c798a SR |
4923 | p++; |
4924 | } | |
774d564b | 4925 | } |
4926 | ||
bd61b366 | 4927 | if ( usesep && (s = strchr(p, PERLLIB_SEP)) != NULL ) { |
774d564b | 4928 | sv_setpvn(libdir, PERLLIB_MANGLE(p, (STRLEN)(s - p)), |
4929 | (STRLEN)(s - p)); | |
4930 | p = s + 1; | |
4931 | } | |
4932 | else { | |
4933 | sv_setpv(libdir, PERLLIB_MANGLE(p, 0)); | |
bd61b366 | 4934 | p = NULL; /* break out */ |
774d564b | 4935 | } |
bf4acbe4 | 4936 | #ifdef MACOS_TRADITIONAL |
e69a2255 JH |
4937 | if (!strchr(SvPVX(libdir), ':')) { |
4938 | char buf[256]; | |
4939 | ||
4940 | sv_setpv(libdir, MacPerl_CanonDir(SvPVX(libdir), buf, 0)); | |
4941 | } | |
bf4acbe4 | 4942 | if (SvPVX(libdir)[SvCUR(libdir)-1] != ':') |
396482e1 | 4943 | sv_catpvs(libdir, ":"); |
bf4acbe4 | 4944 | #endif |
774d564b | 4945 | |
dd374669 AL |
4946 | /* Do the if() outside the #ifdef to avoid warnings about an unused |
4947 | parameter. */ | |
4948 | if (canrelocate) { | |
88fe16b2 NC |
4949 | #ifdef PERL_RELOCATABLE_INC |
4950 | /* | |
4951 | * Relocatable include entries are marked with a leading .../ | |
4952 | * | |
4953 | * The algorithm is | |
4954 | * 0: Remove that leading ".../" | |
4955 | * 1: Remove trailing executable name (anything after the last '/') | |
4956 | * from the perl path to give a perl prefix | |
4957 | * Then | |
4958 | * While the @INC element starts "../" and the prefix ends with a real | |
4959 | * directory (ie not . or ..) chop that real directory off the prefix | |
4960 | * and the leading "../" from the @INC element. ie a logical "../" | |
4961 | * cleanup | |
4962 | * Finally concatenate the prefix and the remainder of the @INC element | |
4963 | * The intent is that /usr/local/bin/perl and .../../lib/perl5 | |
4964 | * generates /usr/local/lib/perl5 | |
4965 | */ | |
890ce7af | 4966 | const char *libpath = SvPVX(libdir); |
88fe16b2 NC |
4967 | STRLEN libpath_len = SvCUR(libdir); |
4968 | if (libpath_len >= 4 && memEQ (libpath, ".../", 4)) { | |
4969 | /* Game on! */ | |
890ce7af | 4970 | SV * const caret_X = get_sv("\030", 0); |
88fe16b2 NC |
4971 | /* Going to use the SV just as a scratch buffer holding a C |
4972 | string: */ | |
4973 | SV *prefix_sv; | |
4974 | char *prefix; | |
4975 | char *lastslash; | |
4976 | ||
4977 | /* $^X is *the* source of taint if tainting is on, hence | |
4978 | SvPOK() won't be true. */ | |
4979 | assert(caret_X); | |
4980 | assert(SvPOKp(caret_X)); | |
4981 | prefix_sv = newSVpvn(SvPVX(caret_X), SvCUR(caret_X)); | |
4982 | /* Firstly take off the leading .../ | |
4983 | If all else fail we'll do the paths relative to the current | |
4984 | directory. */ | |
4985 | sv_chop(libdir, libpath + 4); | |
4986 | /* Don't use SvPV as we're intentionally bypassing taining, | |
4987 | mortal copies that the mg_get of tainting creates, and | |
4988 | corruption that seems to come via the save stack. | |
4989 | I guess that the save stack isn't correctly set up yet. */ | |
4990 | libpath = SvPVX(libdir); | |
4991 | libpath_len = SvCUR(libdir); | |
4992 | ||
4993 | /* This would work more efficiently with memrchr, but as it's | |
4994 | only a GNU extension we'd need to probe for it and | |
4995 | implement our own. Not hard, but maybe not worth it? */ | |
4996 | ||
4997 | prefix = SvPVX(prefix_sv); | |
4998 | lastslash = strrchr(prefix, '/'); | |
4999 | ||
5000 | /* First time in with the *lastslash = '\0' we just wipe off | |
5001 | the trailing /perl from (say) /usr/foo/bin/perl | |
5002 | */ | |
5003 | if (lastslash) { | |
5004 | SV *tempsv; | |
5005 | while ((*lastslash = '\0'), /* Do that, come what may. */ | |
5006 | (libpath_len >= 3 && memEQ(libpath, "../", 3) | |
5007 | && (lastslash = strrchr(prefix, '/')))) { | |
5008 | if (lastslash[1] == '\0' | |
5009 | || (lastslash[1] == '.' | |
5010 | && (lastslash[2] == '/' /* ends "/." */ | |
5011 | || (lastslash[2] == '/' | |
5012 | && lastslash[3] == '/' /* or "/.." */ | |
5013 | )))) { | |
5014 | /* Prefix ends "/" or "/." or "/..", any of which | |
5015 | are fishy, so don't do any more logical cleanup. | |
5016 | */ | |
5017 | break; | |
5018 | } | |
5019 | /* Remove leading "../" from path */ | |
5020 | libpath += 3; | |
5021 | libpath_len -= 3; | |
5022 | /* Next iteration round the loop removes the last | |
5023 | directory name from prefix by writing a '\0' in | |
5024 | the while clause. */ | |
5025 | } | |
5026 | /* prefix has been terminated with a '\0' to the correct | |
5027 | length. libpath points somewhere into the libdir SV. | |
5028 | We need to join the 2 with '/' and drop the result into | |
5029 | libdir. */ | |
5030 | tempsv = Perl_newSVpvf(aTHX_ "%s/%s", prefix, libpath); | |
5031 | SvREFCNT_dec(libdir); | |
5032 | /* And this is the new libdir. */ | |
5033 | libdir = tempsv; | |
5034 | if (PL_tainting && | |
5035 | (PL_uid != PL_euid || PL_gid != PL_egid)) { | |
5036 | /* Need to taint reloccated paths if running set ID */ | |
5037 | SvTAINTED_on(libdir); | |
5038 | } | |
5039 | } | |
5040 | SvREFCNT_dec(prefix_sv); | |
5041 | } | |
88fe16b2 | 5042 | #endif |
dd374669 | 5043 | } |
774d564b | 5044 | /* |
5045 | * BEFORE pushing libdir onto @INC we may first push version- and | |
5046 | * archname-specific sub-directories. | |
5047 | */ | |
9c8a64f0 | 5048 | if (addsubdirs || addoldvers) { |
29d82f8d | 5049 | #ifdef PERL_INC_VERSION_LIST |
8353b874 | 5050 | /* Configure terminates PERL_INC_VERSION_LIST with a NULL */ |
c4420975 AL |
5051 | const char * const incverlist[] = { PERL_INC_VERSION_LIST }; |
5052 | const char * const *incver; | |
29d82f8d | 5053 | #endif |
aa689395 | 5054 | #ifdef VMS |
5055 | char *unix; | |
5056 | STRLEN len; | |
774d564b | 5057 | |
bd61b366 | 5058 | if ((unix = tounixspec_ts(SvPV(libdir,len),NULL)) != NULL) { |
aa689395 | 5059 | len = strlen(unix); |
5060 | while (unix[len-1] == '/') len--; /* Cosmetic */ | |
5061 | sv_usepvn(libdir,unix,len); | |
5062 | } | |
5063 | else | |
bf49b057 | 5064 | PerlIO_printf(Perl_error_log, |
aa689395 | 5065 | "Failed to unixify @INC element \"%s\"\n", |
2d8e6c8d | 5066 | SvPV(libdir,len)); |
aa689395 | 5067 | #endif |
9c8a64f0 | 5068 | if (addsubdirs) { |
bf4acbe4 GS |
5069 | #ifdef MACOS_TRADITIONAL |
5070 | #define PERL_AV_SUFFIX_FMT "" | |
084592ab CN |
5071 | #define PERL_ARCH_FMT "%s:" |
5072 | #define PERL_ARCH_FMT_PATH PERL_FS_VER_FMT PERL_AV_SUFFIX_FMT | |
bf4acbe4 GS |
5073 | #else |
5074 | #define PERL_AV_SUFFIX_FMT "/" | |
5075 | #define PERL_ARCH_FMT "/%s" | |
084592ab | 5076 | #define PERL_ARCH_FMT_PATH PERL_AV_SUFFIX_FMT PERL_FS_VER_FMT |
bf4acbe4 | 5077 | #endif |
9c8a64f0 | 5078 | /* .../version/archname if -d .../version/archname */ |
084592ab | 5079 | Perl_sv_setpvf(aTHX_ subdir, "%"SVf PERL_ARCH_FMT_PATH PERL_ARCH_FMT, |
be2597df | 5080 | SVfARG(libdir), |
9c8a64f0 GS |
5081 | (int)PERL_REVISION, (int)PERL_VERSION, |
5082 | (int)PERL_SUBVERSION, ARCHNAME); | |
ad17a1ae | 5083 | subdir = S_incpush_if_exists(aTHX_ subdir); |
4b03c463 | 5084 | |
9c8a64f0 | 5085 | /* .../version if -d .../version */ |
95b63a38 | 5086 | Perl_sv_setpvf(aTHX_ subdir, "%"SVf PERL_ARCH_FMT_PATH, |
be2597df | 5087 | SVfARG(libdir), |
9c8a64f0 GS |
5088 | (int)PERL_REVISION, (int)PERL_VERSION, |
5089 | (int)PERL_SUBVERSION); | |
ad17a1ae | 5090 | subdir = S_incpush_if_exists(aTHX_ subdir); |
9c8a64f0 GS |
5091 | |
5092 | /* .../archname if -d .../archname */ | |
95b63a38 | 5093 | Perl_sv_setpvf(aTHX_ subdir, "%"SVf PERL_ARCH_FMT, |
be2597df | 5094 | SVfARG(libdir), ARCHNAME); |
ad17a1ae NC |
5095 | subdir = S_incpush_if_exists(aTHX_ subdir); |
5096 | ||
29d82f8d | 5097 | } |
9c8a64f0 | 5098 | |
9c8a64f0 | 5099 | #ifdef PERL_INC_VERSION_LIST |
ccc2aad8 | 5100 | if (addoldvers) { |
9c8a64f0 GS |
5101 | for (incver = incverlist; *incver; incver++) { |
5102 | /* .../xxx if -d .../xxx */ | |
be2597df MHM |
5103 | Perl_sv_setpvf(aTHX_ subdir, "%"SVf PERL_ARCH_FMT, |
5104 | SVfARG(libdir), *incver); | |
ad17a1ae | 5105 | subdir = S_incpush_if_exists(aTHX_ subdir); |
9c8a64f0 GS |
5106 | } |
5107 | } | |
29d82f8d | 5108 | #endif |
774d564b | 5109 | } |
5110 | ||
5111 | /* finally push this lib directory on the end of @INC */ | |
3280af22 | 5112 | av_push(GvAVn(PL_incgv), libdir); |
774d564b | 5113 | } |
ad17a1ae | 5114 | if (subdir) { |
ef97f5b3 | 5115 | assert (SvREFCNT(subdir) == 1); |
ad17a1ae NC |
5116 | SvREFCNT_dec(subdir); |
5117 | } | |
34de22dd | 5118 | } |
93a17b20 | 5119 | |
199100c8 | 5120 | |
93a17b20 | 5121 | void |
864dbfa3 | 5122 | Perl_call_list(pTHX_ I32 oldscope, AV *paramList) |
93a17b20 | 5123 | { |
27da23d5 | 5124 | dVAR; |
971a9dd3 | 5125 | SV *atsv; |
dd374669 | 5126 | const line_t oldline = CopLINE(PL_curcop); |
312caa8e | 5127 | CV *cv; |
22921e25 | 5128 | STRLEN len; |
6224f72b | 5129 | int ret; |
db36c5a1 | 5130 | dJMPENV; |
93a17b20 | 5131 | |
e1ec3a88 | 5132 | while (av_len(paramList) >= 0) { |
312caa8e | 5133 | cv = (CV*)av_shift(paramList); |
ece599bd RGS |
5134 | if (PL_savebegin) { |
5135 | if (paramList == PL_beginav) { | |
059a8bb7 | 5136 | /* save PL_beginav for compiler */ |
ece599bd RGS |
5137 | if (! PL_beginav_save) |
5138 | PL_beginav_save = newAV(); | |
5139 | av_push(PL_beginav_save, (SV*)cv); | |
5140 | } | |
5141 | else if (paramList == PL_checkav) { | |
5142 | /* save PL_checkav for compiler */ | |
5143 | if (! PL_checkav_save) | |
5144 | PL_checkav_save = newAV(); | |
5145 | av_push(PL_checkav_save, (SV*)cv); | |
5146 | } | |
3c10abe3 AG |
5147 | else if (paramList == PL_unitcheckav) { |
5148 | /* save PL_unitcheckav for compiler */ | |
5149 | if (! PL_unitcheckav_save) | |
5150 | PL_unitcheckav_save = newAV(); | |
5151 | av_push(PL_unitcheckav_save, (SV*)cv); | |
5152 | } | |
059a8bb7 | 5153 | } else { |
81d86705 NC |
5154 | if (!PL_madskills) |
5155 | SAVEFREESV(cv); | |
059a8bb7 | 5156 | } |
14dd3ad8 | 5157 | JMPENV_PUSH(ret); |
6224f72b | 5158 | switch (ret) { |
312caa8e | 5159 | case 0: |
81d86705 NC |
5160 | #ifdef PERL_MAD |
5161 | if (PL_madskills) | |
5162 | PL_madskills |= 16384; | |
5163 | #endif | |
d6f07c05 | 5164 | CALL_LIST_BODY(cv); |
81d86705 NC |
5165 | #ifdef PERL_MAD |
5166 | if (PL_madskills) | |
5167 | PL_madskills &= ~16384; | |
5168 | #endif | |
971a9dd3 | 5169 | atsv = ERRSV; |
10516c54 | 5170 | (void)SvPV_const(atsv, len); |
81d86705 NC |
5171 | if (PL_madskills && PL_minus_c && paramList == PL_beginav) |
5172 | break; /* not really trying to run, so just wing it */ | |
312caa8e CS |
5173 | if (len) { |
5174 | PL_curcop = &PL_compiling; | |
57843af0 | 5175 | CopLINE_set(PL_curcop, oldline); |
312caa8e | 5176 | if (paramList == PL_beginav) |
396482e1 | 5177 | sv_catpvs(atsv, "BEGIN failed--compilation aborted"); |
312caa8e | 5178 | else |
4f25aa18 GS |
5179 | Perl_sv_catpvf(aTHX_ atsv, |
5180 | "%s failed--call queue aborted", | |
7d30b5c4 | 5181 | paramList == PL_checkav ? "CHECK" |
4f25aa18 | 5182 | : paramList == PL_initav ? "INIT" |
3c10abe3 | 5183 | : paramList == PL_unitcheckav ? "UNITCHECK" |
4f25aa18 | 5184 | : "END"); |
312caa8e CS |
5185 | while (PL_scopestack_ix > oldscope) |
5186 | LEAVE; | |
14dd3ad8 | 5187 | JMPENV_POP; |
be2597df | 5188 | Perl_croak(aTHX_ "%"SVf"", SVfARG(atsv)); |
a0d0e21e | 5189 | } |
85e6fe83 | 5190 | break; |
6224f72b | 5191 | case 1: |
f86702cc | 5192 | STATUS_ALL_FAILURE; |
85e6fe83 | 5193 | /* FALL THROUGH */ |
6224f72b | 5194 | case 2: |
85e6fe83 | 5195 | /* my_exit() was called */ |
3280af22 | 5196 | while (PL_scopestack_ix > oldscope) |
2ae324a7 | 5197 | LEAVE; |
84902520 | 5198 | FREETMPS; |
3280af22 | 5199 | PL_curstash = PL_defstash; |
3280af22 | 5200 | PL_curcop = &PL_compiling; |
57843af0 | 5201 | CopLINE_set(PL_curcop, oldline); |
14dd3ad8 | 5202 | JMPENV_POP; |
81d86705 NC |
5203 | if (PL_madskills && PL_minus_c && paramList == PL_beginav) |
5204 | return; /* not really trying to run, so just wing it */ | |
cc3604b1 | 5205 | if (PL_statusvalue && !(PL_exit_flags & PERL_EXIT_EXPECTED)) { |
3280af22 | 5206 | if (paramList == PL_beginav) |
cea2e8a9 | 5207 | Perl_croak(aTHX_ "BEGIN failed--compilation aborted"); |
85e6fe83 | 5208 | else |
4f25aa18 | 5209 | Perl_croak(aTHX_ "%s failed--call queue aborted", |
7d30b5c4 | 5210 | paramList == PL_checkav ? "CHECK" |
4f25aa18 | 5211 | : paramList == PL_initav ? "INIT" |
3c10abe3 | 5212 | : paramList == PL_unitcheckav ? "UNITCHECK" |
4f25aa18 | 5213 | : "END"); |
85e6fe83 | 5214 | } |
f86702cc | 5215 | my_exit_jump(); |
85e6fe83 | 5216 | /* NOTREACHED */ |
6224f72b | 5217 | case 3: |
312caa8e CS |
5218 | if (PL_restartop) { |
5219 | PL_curcop = &PL_compiling; | |
57843af0 | 5220 | CopLINE_set(PL_curcop, oldline); |
312caa8e | 5221 | JMPENV_JUMP(3); |
85e6fe83 | 5222 | } |
bf49b057 | 5223 | PerlIO_printf(Perl_error_log, "panic: restartop\n"); |
312caa8e CS |
5224 | FREETMPS; |
5225 | break; | |
8990e307 | 5226 | } |
14dd3ad8 | 5227 | JMPENV_POP; |
93a17b20 | 5228 | } |
93a17b20 | 5229 | } |
93a17b20 | 5230 | |
f86702cc | 5231 | void |
864dbfa3 | 5232 | Perl_my_exit(pTHX_ U32 status) |
f86702cc | 5233 | { |
97aff369 | 5234 | dVAR; |
8b73bbec | 5235 | DEBUG_S(PerlIO_printf(Perl_debug_log, "my_exit: thread %p, status %lu\n", |
6c9570dc | 5236 | (void*)thr, (unsigned long) status)); |
f86702cc | 5237 | switch (status) { |
5238 | case 0: | |
5239 | STATUS_ALL_SUCCESS; | |
5240 | break; | |
5241 | case 1: | |
5242 | STATUS_ALL_FAILURE; | |
5243 | break; | |
5244 | default: | |
6ac6a52b | 5245 | STATUS_EXIT_SET(status); |
f86702cc | 5246 | break; |
5247 | } | |
5248 | my_exit_jump(); | |
5249 | } | |
5250 | ||
5251 | void | |
864dbfa3 | 5252 | Perl_my_failure_exit(pTHX) |
f86702cc | 5253 | { |
97aff369 | 5254 | dVAR; |
f86702cc | 5255 | #ifdef VMS |
fb38d079 JM |
5256 | /* We have been called to fall on our sword. The desired exit code |
5257 | * should be already set in STATUS_UNIX, but could be shifted over | |
0968cdad JM |
5258 | * by 8 bits. STATUS_UNIX_EXIT_SET will handle the cases where a |
5259 | * that code is set. | |
fb38d079 JM |
5260 | * |
5261 | * If an error code has not been set, then force the issue. | |
5262 | */ | |
0968cdad JM |
5263 | if (MY_POSIX_EXIT) { |
5264 | ||
5265 | /* In POSIX_EXIT mode follow Perl documentations and use 255 for | |
5266 | * the exit code when there isn't an error. | |
5267 | */ | |
5268 | ||
5269 | if (STATUS_UNIX == 0) | |
5270 | STATUS_UNIX_EXIT_SET(255); | |
5271 | else { | |
5272 | STATUS_UNIX_EXIT_SET(STATUS_UNIX); | |
5273 | ||
5274 | /* The exit code could have been set by $? or vmsish which | |
5275 | * means that it may not be fatal. So convert | |
5276 | * success/warning codes to fatal. | |
5277 | */ | |
5278 | if ((STATUS_NATIVE & (STS$K_SEVERE|STS$K_ERROR)) == 0) | |
5279 | STATUS_UNIX_EXIT_SET(255); | |
5280 | } | |
5281 | } | |
5282 | else { | |
5283 | /* Traditionally Perl on VMS always expects a Fatal Error. */ | |
5284 | if (vaxc$errno & 1) { | |
5285 | ||
5286 | /* So force success status to failure */ | |
5287 | if (STATUS_NATIVE & 1) | |
5288 | STATUS_ALL_FAILURE; | |
5289 | } | |
5290 | else { | |
5291 | if (!vaxc$errno) { | |
5292 | STATUS_UNIX = EINTR; /* In case something cares */ | |
5293 | STATUS_ALL_FAILURE; | |
5294 | } | |
5295 | else { | |
5296 | int severity; | |
5297 | STATUS_NATIVE = vaxc$errno; /* Should already be this */ | |
5298 | ||
5299 | /* Encode the severity code */ | |
5300 | severity = STATUS_NATIVE & STS$M_SEVERITY; | |
5301 | STATUS_UNIX = (severity ? severity : 1) << 8; | |
5302 | ||
5303 | /* Perl expects this to be a fatal error */ | |
5304 | if (severity != STS$K_SEVERE) | |
5305 | STATUS_ALL_FAILURE; | |
5306 | } | |
5307 | } | |
5308 | } | |
fb38d079 | 5309 | |
f86702cc | 5310 | #else |
9b599b2a | 5311 | int exitstatus; |
f86702cc | 5312 | if (errno & 255) |
e5218da5 | 5313 | STATUS_UNIX_SET(errno); |
9b599b2a | 5314 | else { |
e5218da5 | 5315 | exitstatus = STATUS_UNIX >> 8; |
9b599b2a | 5316 | if (exitstatus & 255) |
e5218da5 | 5317 | STATUS_UNIX_SET(exitstatus); |
9b599b2a | 5318 | else |
e5218da5 | 5319 | STATUS_UNIX_SET(255); |
9b599b2a | 5320 | } |
f86702cc | 5321 | #endif |
5322 | my_exit_jump(); | |
93a17b20 LW |
5323 | } |
5324 | ||
76e3520e | 5325 | STATIC void |
cea2e8a9 | 5326 | S_my_exit_jump(pTHX) |
f86702cc | 5327 | { |
27da23d5 | 5328 | dVAR; |
f86702cc | 5329 | |
3280af22 NIS |
5330 | if (PL_e_script) { |
5331 | SvREFCNT_dec(PL_e_script); | |
a0714e2c | 5332 | PL_e_script = NULL; |
f86702cc | 5333 | } |
5334 | ||
3280af22 | 5335 | POPSTACK_TO(PL_mainstack); |
f97a0ef2 RH |
5336 | dounwind(-1); |
5337 | LEAVE_SCOPE(0); | |
ff0cee69 | 5338 | |
6224f72b | 5339 | JMPENV_JUMP(2); |
f86702cc | 5340 | } |
873ef191 | 5341 | |
0cb96387 | 5342 | static I32 |
acfe0abc | 5343 | read_e_script(pTHX_ int idx, SV *buf_sv, int maxlen) |
873ef191 | 5344 | { |
97aff369 | 5345 | dVAR; |
9d4ba2ae AL |
5346 | const char * const p = SvPVX_const(PL_e_script); |
5347 | const char *nl = strchr(p, '\n'); | |
5348 | ||
5349 | PERL_UNUSED_ARG(idx); | |
5350 | PERL_UNUSED_ARG(maxlen); | |
dd374669 | 5351 | |
3280af22 | 5352 | nl = (nl) ? nl+1 : SvEND(PL_e_script); |
7dfe3f66 | 5353 | if (nl-p == 0) { |
0cb96387 | 5354 | filter_del(read_e_script); |
873ef191 | 5355 | return 0; |
7dfe3f66 | 5356 | } |
873ef191 | 5357 | sv_catpvn(buf_sv, p, nl-p); |
3280af22 | 5358 | sv_chop(PL_e_script, nl); |
873ef191 GS |
5359 | return 1; |
5360 | } | |
66610fdd RGS |
5361 | |
5362 | /* | |
5363 | * Local variables: | |
5364 | * c-indentation-style: bsd | |
5365 | * c-basic-offset: 4 | |
5366 | * indent-tabs-mode: t | |
5367 | * End: | |
5368 | * | |
37442d52 RGS |
5369 | * ex: set ts=8 sts=4 sw=4 noet: |
5370 | */ |