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 | 173 | } |
c0bce9aa NC |
174 | #if defined(USE_ITHREADS) |
175 | else | |
176 | #else | |
177 | /* This always happens for non-ithreads */ | |
178 | #endif | |
179 | { | |
e6827a76 NC |
180 | PERL_SET_THX(my_perl); |
181 | } | |
182 | } | |
06d86050 | 183 | |
cbec8ebe DM |
184 | |
185 | /* these implement the PERL_SYS_INIT, PERL_SYS_INIT3, PERL_SYS_TERM macros */ | |
186 | ||
187 | void | |
188 | Perl_sys_init(int* argc, char*** argv) | |
189 | { | |
4fc0badb | 190 | dVAR; |
cbec8ebe DM |
191 | PERL_UNUSED_ARG(argc); /* may not be used depending on _BODY macro */ |
192 | PERL_UNUSED_ARG(argv); | |
193 | PERL_SYS_INIT_BODY(argc, argv); | |
194 | } | |
195 | ||
196 | void | |
197 | Perl_sys_init3(int* argc, char*** argv, char*** env) | |
198 | { | |
4fc0badb | 199 | dVAR; |
cbec8ebe DM |
200 | PERL_UNUSED_ARG(argc); /* may not be used depending on _BODY macro */ |
201 | PERL_UNUSED_ARG(argv); | |
202 | PERL_UNUSED_ARG(env); | |
203 | PERL_SYS_INIT3_BODY(argc, argv, env); | |
204 | } | |
205 | ||
206 | void | |
d0820ef1 | 207 | Perl_sys_term() |
cbec8ebe | 208 | { |
4fc0badb | 209 | dVAR; |
bf81751b DM |
210 | if (!PL_veto_cleanup) { |
211 | PERL_SYS_TERM_BODY(); | |
212 | } | |
cbec8ebe DM |
213 | } |
214 | ||
215 | ||
32e30700 GS |
216 | #ifdef PERL_IMPLICIT_SYS |
217 | PerlInterpreter * | |
7766f137 GS |
218 | perl_alloc_using(struct IPerlMem* ipM, struct IPerlMem* ipMS, |
219 | struct IPerlMem* ipMP, struct IPerlEnv* ipE, | |
32e30700 GS |
220 | struct IPerlStdIO* ipStd, struct IPerlLIO* ipLIO, |
221 | struct IPerlDir* ipD, struct IPerlSock* ipS, | |
222 | struct IPerlProc* ipP) | |
223 | { | |
224 | PerlInterpreter *my_perl; | |
9f653bb5 | 225 | /* Newx() needs interpreter, so call malloc() instead */ |
32e30700 | 226 | my_perl = (PerlInterpreter*)(*ipM->pMalloc)(ipM, sizeof(PerlInterpreter)); |
e6827a76 | 227 | S_init_tls_and_interp(my_perl); |
32e30700 GS |
228 | Zero(my_perl, 1, PerlInterpreter); |
229 | PL_Mem = ipM; | |
7766f137 GS |
230 | PL_MemShared = ipMS; |
231 | PL_MemParse = ipMP; | |
32e30700 GS |
232 | PL_Env = ipE; |
233 | PL_StdIO = ipStd; | |
234 | PL_LIO = ipLIO; | |
235 | PL_Dir = ipD; | |
236 | PL_Sock = ipS; | |
237 | PL_Proc = ipP; | |
7cb608b5 | 238 | INIT_TRACK_MEMPOOL(PL_memory_debug_header, my_perl); |
7766f137 | 239 | |
32e30700 GS |
240 | return my_perl; |
241 | } | |
242 | #else | |
954c1994 GS |
243 | |
244 | /* | |
ccfc67b7 JH |
245 | =head1 Embedding Functions |
246 | ||
954c1994 GS |
247 | =for apidoc perl_alloc |
248 | ||
249 | Allocates a new Perl interpreter. See L<perlembed>. | |
250 | ||
251 | =cut | |
252 | */ | |
253 | ||
93a17b20 | 254 | PerlInterpreter * |
cea2e8a9 | 255 | perl_alloc(void) |
79072805 | 256 | { |
cea2e8a9 | 257 | PerlInterpreter *my_perl; |
79072805 | 258 | |
9f653bb5 | 259 | /* Newx() needs interpreter, so call malloc() instead */ |
e8ee3774 | 260 | my_perl = (PerlInterpreter*)PerlMem_malloc(sizeof(PerlInterpreter)); |
ba869deb | 261 | |
e6827a76 | 262 | S_init_tls_and_interp(my_perl); |
7cb608b5 | 263 | #ifndef PERL_TRACK_MEMPOOL |
07409e01 | 264 | return (PerlInterpreter *) ZeroD(my_perl, 1, PerlInterpreter); |
7cb608b5 NC |
265 | #else |
266 | Zero(my_perl, 1, PerlInterpreter); | |
267 | INIT_TRACK_MEMPOOL(PL_memory_debug_header, my_perl); | |
268 | return my_perl; | |
269 | #endif | |
79072805 | 270 | } |
32e30700 | 271 | #endif /* PERL_IMPLICIT_SYS */ |
79072805 | 272 | |
954c1994 GS |
273 | /* |
274 | =for apidoc perl_construct | |
275 | ||
276 | Initializes a new Perl interpreter. See L<perlembed>. | |
277 | ||
278 | =cut | |
279 | */ | |
280 | ||
79072805 | 281 | void |
0cb96387 | 282 | perl_construct(pTHXx) |
79072805 | 283 | { |
27da23d5 | 284 | dVAR; |
ed6c66dd | 285 | PERL_UNUSED_ARG(my_perl); |
8990e307 | 286 | #ifdef MULTIPLICITY |
54aff467 | 287 | init_interp(); |
ac27b0f5 | 288 | PL_perl_destruct_level = 1; |
54aff467 GS |
289 | #else |
290 | if (PL_perl_destruct_level > 0) | |
291 | init_interp(); | |
292 | #endif | |
34caed6d DM |
293 | PL_curcop = &PL_compiling; /* needed by ckWARN, right away */ |
294 | ||
34caed6d DM |
295 | /* set read-only and try to insure than we wont see REFCNT==0 |
296 | very often */ | |
297 | ||
298 | SvREADONLY_on(&PL_sv_undef); | |
299 | SvREFCNT(&PL_sv_undef) = (~(U32)0)/2; | |
300 | ||
301 | sv_setpv(&PL_sv_no,PL_No); | |
302 | /* value lookup in void context - happens to have the side effect | |
a43d94f2 NC |
303 | of caching the numeric forms. However, as &PL_sv_no doesn't contain |
304 | a string that is a valid numer, we have to turn the public flags by | |
305 | hand: */ | |
34caed6d | 306 | SvNV(&PL_sv_no); |
c1939273 | 307 | SvIV(&PL_sv_no); |
a43d94f2 NC |
308 | SvIOK_on(&PL_sv_no); |
309 | SvNOK_on(&PL_sv_no); | |
34caed6d DM |
310 | SvREADONLY_on(&PL_sv_no); |
311 | SvREFCNT(&PL_sv_no) = (~(U32)0)/2; | |
312 | ||
313 | sv_setpv(&PL_sv_yes,PL_Yes); | |
34caed6d | 314 | SvNV(&PL_sv_yes); |
c1939273 | 315 | SvIV(&PL_sv_yes); |
34caed6d DM |
316 | SvREADONLY_on(&PL_sv_yes); |
317 | SvREFCNT(&PL_sv_yes) = (~(U32)0)/2; | |
318 | ||
319 | SvREADONLY_on(&PL_sv_placeholder); | |
320 | SvREFCNT(&PL_sv_placeholder) = (~(U32)0)/2; | |
321 | ||
322 | PL_sighandlerp = (Sighandler_t) Perl_sighandler; | |
ca0c25f6 | 323 | #ifdef PERL_USES_PL_PIDSTATUS |
34caed6d | 324 | PL_pidstatus = newHV(); |
ca0c25f6 | 325 | #endif |
79072805 | 326 | |
396482e1 | 327 | PL_rs = newSVpvs("\n"); |
dc92893f | 328 | |
cea2e8a9 | 329 | init_stacks(); |
79072805 | 330 | |
748a9306 | 331 | init_ids(); |
a5f75d66 | 332 | |
312caa8e | 333 | JMPENV_BOOTSTRAP; |
f86702cc | 334 | STATUS_ALL_SUCCESS; |
335 | ||
0672f40e | 336 | init_i18nl10n(1); |
36477c24 | 337 | SET_NUMERIC_STANDARD(); |
0b5b802d | 338 | |
ab821d7f | 339 | #if defined(LOCAL_PATCH_COUNT) |
3280af22 | 340 | PL_localpatches = local_patches; /* For possible -v */ |
ab821d7f | 341 | #endif |
342 | ||
52853b95 GS |
343 | #ifdef HAVE_INTERP_INTERN |
344 | sys_intern_init(); | |
345 | #endif | |
346 | ||
3a1ee7e8 | 347 | PerlIO_init(aTHX); /* Hook to IO system */ |
760ac839 | 348 | |
3280af22 NIS |
349 | PL_fdpid = newAV(); /* for remembering popen pids by fd */ |
350 | PL_modglobal = newHV(); /* pointers to per-interpreter module globals */ | |
396482e1 | 351 | PL_errors = newSVpvs(""); |
48c6b404 | 352 | sv_setpvn(PERL_DEBUG_PAD(0), "", 0); /* For regex debugging. */ |
1f483ca1 JH |
353 | sv_setpvn(PERL_DEBUG_PAD(1), "", 0); /* ext/re needs these */ |
354 | sv_setpvn(PERL_DEBUG_PAD(2), "", 0); /* even without DEBUGGING. */ | |
1fcf4c12 | 355 | #ifdef USE_ITHREADS |
29a861e7 NC |
356 | /* First entry is an array of empty elements */ |
357 | Perl_av_create_and_push(aTHX_ &PL_regex_padav,(SV*)newAV()); | |
13137afc | 358 | PL_regex_pad = AvARRAY(PL_regex_padav); |
1fcf4c12 | 359 | #endif |
e5dd39fc | 360 | #ifdef USE_REENTRANT_API |
59bd0823 | 361 | Perl_reentrant_init(aTHX); |
e5dd39fc | 362 | #endif |
3d47000e AB |
363 | |
364 | /* Note that strtab is a rather special HV. Assumptions are made | |
365 | about not iterating on it, and not adding tie magic to it. | |
366 | It is properly deallocated in perl_destruct() */ | |
367 | PL_strtab = newHV(); | |
368 | ||
3d47000e AB |
369 | HvSHAREKEYS_off(PL_strtab); /* mandatory */ |
370 | hv_ksplit(PL_strtab, 512); | |
371 | ||
0631ea03 AB |
372 | #if defined(__DYNAMIC__) && (defined(NeXT) || defined(__NeXT__)) |
373 | _dyld_lookup_and_bind | |
374 | ("__environ", (unsigned long *) &environ_pointer, NULL); | |
375 | #endif /* environ */ | |
376 | ||
2f42fcb0 JH |
377 | #ifndef PERL_MICRO |
378 | # ifdef USE_ENVIRON_ARRAY | |
0631ea03 | 379 | PL_origenviron = environ; |
2f42fcb0 | 380 | # endif |
0631ea03 AB |
381 | #endif |
382 | ||
5311654c | 383 | /* Use sysconf(_SC_CLK_TCK) if available, if not |
dbc1d986 | 384 | * available or if the sysconf() fails, use the HZ. |
27da23d5 JH |
385 | * BeOS has those, but returns the wrong value. |
386 | * The HZ if not originally defined has been by now | |
387 | * been defined as CLK_TCK, if available. */ | |
dbc1d986 | 388 | #if defined(HAS_SYSCONF) && defined(_SC_CLK_TCK) && !defined(__BEOS__) |
5311654c JH |
389 | PL_clocktick = sysconf(_SC_CLK_TCK); |
390 | if (PL_clocktick <= 0) | |
391 | #endif | |
392 | PL_clocktick = HZ; | |
393 | ||
081fc587 AB |
394 | PL_stashcache = newHV(); |
395 | ||
8cb289bd | 396 | PL_patchlevel = Perl_newSVpvf(aTHX_ "v%d.%d.%d", (int)PERL_REVISION, |
e6830b13 | 397 | (int)PERL_VERSION, (int)PERL_SUBVERSION); |
d7aa5382 | 398 | |
27da23d5 JH |
399 | #ifdef HAS_MMAP |
400 | if (!PL_mmap_page_size) { | |
401 | #if defined(HAS_SYSCONF) && (defined(_SC_PAGESIZE) || defined(_SC_MMAP_PAGE_SIZE)) | |
402 | { | |
403 | SETERRNO(0, SS_NORMAL); | |
404 | # ifdef _SC_PAGESIZE | |
405 | PL_mmap_page_size = sysconf(_SC_PAGESIZE); | |
406 | # else | |
407 | PL_mmap_page_size = sysconf(_SC_MMAP_PAGE_SIZE); | |
408 | # endif | |
409 | if ((long) PL_mmap_page_size < 0) { | |
410 | if (errno) { | |
44f8325f | 411 | SV * const error = ERRSV; |
d4c19fe8 | 412 | SvUPGRADE(error, SVt_PV); |
0510663f | 413 | Perl_croak(aTHX_ "panic: sysconf: %s", SvPV_nolen_const(error)); |
27da23d5 JH |
414 | } |
415 | else | |
416 | Perl_croak(aTHX_ "panic: sysconf: pagesize unknown"); | |
417 | } | |
418 | } | |
419 | #else | |
420 | # ifdef HAS_GETPAGESIZE | |
421 | PL_mmap_page_size = getpagesize(); | |
422 | # else | |
423 | # if defined(I_SYS_PARAM) && defined(PAGESIZE) | |
424 | PL_mmap_page_size = PAGESIZE; /* compiletime, bad */ | |
425 | # endif | |
426 | # endif | |
427 | #endif | |
428 | if (PL_mmap_page_size <= 0) | |
429 | Perl_croak(aTHX_ "panic: bad pagesize %" IVdf, | |
430 | (IV) PL_mmap_page_size); | |
431 | } | |
432 | #endif /* HAS_MMAP */ | |
433 | ||
434 | #if defined(HAS_TIMES) && defined(PERL_NEED_TIMESBASE) | |
435 | PL_timesbase.tms_utime = 0; | |
436 | PL_timesbase.tms_stime = 0; | |
437 | PL_timesbase.tms_cutime = 0; | |
438 | PL_timesbase.tms_cstime = 0; | |
439 | #endif | |
440 | ||
8990e307 | 441 | ENTER; |
79072805 LW |
442 | } |
443 | ||
954c1994 | 444 | /* |
62375a60 NIS |
445 | =for apidoc nothreadhook |
446 | ||
447 | Stub that provides thread hook for perl_destruct when there are | |
448 | no threads. | |
449 | ||
450 | =cut | |
451 | */ | |
452 | ||
453 | int | |
4e9e3734 | 454 | Perl_nothreadhook(pTHX) |
62375a60 | 455 | { |
96a5add6 | 456 | PERL_UNUSED_CONTEXT; |
62375a60 NIS |
457 | return 0; |
458 | } | |
459 | ||
41e4abd8 NC |
460 | #ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP |
461 | void | |
462 | Perl_dump_sv_child(pTHX_ SV *sv) | |
463 | { | |
464 | ssize_t got; | |
bf357333 NC |
465 | const int sock = PL_dumper_fd; |
466 | const int debug_fd = PerlIO_fileno(Perl_debug_log); | |
bf357333 NC |
467 | union control_un control; |
468 | struct msghdr msg; | |
808ad2d0 | 469 | struct iovec vec[2]; |
bf357333 | 470 | struct cmsghdr *cmptr; |
808ad2d0 NC |
471 | int returned_errno; |
472 | unsigned char buffer[256]; | |
41e4abd8 | 473 | |
bf357333 | 474 | if(sock == -1 || debug_fd == -1) |
41e4abd8 NC |
475 | return; |
476 | ||
477 | PerlIO_flush(Perl_debug_log); | |
478 | ||
bf357333 NC |
479 | /* All these shenanigans are to pass a file descriptor over to our child for |
480 | it to dump out to. We can't let it hold open the file descriptor when it | |
481 | forks, as the file descriptor it will dump to can turn out to be one end | |
482 | of pipe that some other process will wait on for EOF. (So as it would | |
b293a5f8 | 483 | be open, the wait would be forever.) */ |
bf357333 NC |
484 | |
485 | msg.msg_control = control.control; | |
486 | msg.msg_controllen = sizeof(control.control); | |
487 | /* We're a connected socket so we don't need a destination */ | |
488 | msg.msg_name = NULL; | |
489 | msg.msg_namelen = 0; | |
490 | msg.msg_iov = vec; | |
808ad2d0 | 491 | msg.msg_iovlen = 1; |
bf357333 NC |
492 | |
493 | cmptr = CMSG_FIRSTHDR(&msg); | |
494 | cmptr->cmsg_len = CMSG_LEN(sizeof(int)); | |
495 | cmptr->cmsg_level = SOL_SOCKET; | |
496 | cmptr->cmsg_type = SCM_RIGHTS; | |
497 | *((int *)CMSG_DATA(cmptr)) = 1; | |
498 | ||
499 | vec[0].iov_base = (void*)&sv; | |
500 | vec[0].iov_len = sizeof(sv); | |
501 | got = sendmsg(sock, &msg, 0); | |
41e4abd8 NC |
502 | |
503 | if(got < 0) { | |
bf357333 | 504 | perror("Debug leaking scalars parent sendmsg failed"); |
41e4abd8 NC |
505 | abort(); |
506 | } | |
bf357333 NC |
507 | if(got < sizeof(sv)) { |
508 | perror("Debug leaking scalars parent short sendmsg"); | |
41e4abd8 NC |
509 | abort(); |
510 | } | |
511 | ||
808ad2d0 NC |
512 | /* Return protocol is |
513 | int: errno value | |
514 | unsigned char: length of location string (0 for empty) | |
515 | unsigned char*: string (not terminated) | |
516 | */ | |
517 | vec[0].iov_base = (void*)&returned_errno; | |
518 | vec[0].iov_len = sizeof(returned_errno); | |
519 | vec[1].iov_base = buffer; | |
520 | vec[1].iov_len = 1; | |
521 | ||
522 | got = readv(sock, vec, 2); | |
41e4abd8 NC |
523 | |
524 | if(got < 0) { | |
525 | perror("Debug leaking scalars parent read failed"); | |
808ad2d0 | 526 | PerlIO_flush(PerlIO_stderr()); |
41e4abd8 NC |
527 | abort(); |
528 | } | |
808ad2d0 | 529 | if(got < sizeof(returned_errno) + 1) { |
41e4abd8 | 530 | perror("Debug leaking scalars parent short read"); |
808ad2d0 | 531 | PerlIO_flush(PerlIO_stderr()); |
41e4abd8 NC |
532 | abort(); |
533 | } | |
534 | ||
808ad2d0 NC |
535 | if (*buffer) { |
536 | got = read(sock, buffer + 1, *buffer); | |
537 | if(got < 0) { | |
538 | perror("Debug leaking scalars parent read 2 failed"); | |
539 | PerlIO_flush(PerlIO_stderr()); | |
540 | abort(); | |
541 | } | |
542 | ||
543 | if(got < *buffer) { | |
544 | perror("Debug leaking scalars parent short read 2"); | |
545 | PerlIO_flush(PerlIO_stderr()); | |
546 | abort(); | |
547 | } | |
548 | } | |
549 | ||
550 | if (returned_errno || *buffer) { | |
551 | Perl_warn(aTHX_ "Debug leaking scalars child failed%s%.*s with errno" | |
552 | " %d: %s", (*buffer ? " at " : ""), (int) *buffer, buffer + 1, | |
553 | returned_errno, strerror(returned_errno)); | |
41e4abd8 NC |
554 | } |
555 | } | |
556 | #endif | |
557 | ||
62375a60 | 558 | /* |
954c1994 GS |
559 | =for apidoc perl_destruct |
560 | ||
561 | Shuts down a Perl interpreter. See L<perlembed>. | |
562 | ||
563 | =cut | |
564 | */ | |
565 | ||
31d77e54 | 566 | int |
0cb96387 | 567 | perl_destruct(pTHXx) |
79072805 | 568 | { |
27da23d5 | 569 | dVAR; |
be2ea8ed | 570 | VOL signed char destruct_level; /* see possible values in intrpvar.h */ |
a0d0e21e | 571 | HV *hv; |
2aa47728 | 572 | #ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP |
2aa47728 NC |
573 | pid_t child; |
574 | #endif | |
8990e307 | 575 | |
ed6c66dd | 576 | PERL_UNUSED_ARG(my_perl); |
9d4ba2ae | 577 | |
7766f137 GS |
578 | /* wait for all pseudo-forked children to finish */ |
579 | PERL_WAIT_FOR_CHILDREN; | |
580 | ||
3280af22 | 581 | destruct_level = PL_perl_destruct_level; |
4633a7c4 LW |
582 | #ifdef DEBUGGING |
583 | { | |
9d4ba2ae AL |
584 | const char * const s = PerlEnv_getenv("PERL_DESTRUCT_LEVEL"); |
585 | if (s) { | |
e1ec3a88 | 586 | const int i = atoi(s); |
5f05dabc | 587 | if (destruct_level < i) |
588 | destruct_level = i; | |
589 | } | |
4633a7c4 LW |
590 | } |
591 | #endif | |
592 | ||
27da23d5 | 593 | if (PL_exit_flags & PERL_EXIT_DESTRUCT_END) { |
f3faeb53 AB |
594 | dJMPENV; |
595 | int x = 0; | |
596 | ||
597 | JMPENV_PUSH(x); | |
1b6737cc | 598 | PERL_UNUSED_VAR(x); |
f3faeb53 AB |
599 | if (PL_endav && !PL_minus_c) |
600 | call_list(PL_scopestack_ix, PL_endav); | |
601 | JMPENV_POP; | |
26f423df | 602 | } |
f3faeb53 | 603 | LEAVE; |
a0d0e21e LW |
604 | FREETMPS; |
605 | ||
e00b64d4 | 606 | /* Need to flush since END blocks can produce output */ |
f13a2bc0 | 607 | my_fflush_all(); |
e00b64d4 | 608 | |
62375a60 NIS |
609 | if (CALL_FPTR(PL_threadhook)(aTHX)) { |
610 | /* Threads hook has vetoed further cleanup */ | |
c301d606 | 611 | PL_veto_cleanup = TRUE; |
37038d91 | 612 | return STATUS_EXIT; |
62375a60 NIS |
613 | } |
614 | ||
2aa47728 NC |
615 | #ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP |
616 | if (destruct_level != 0) { | |
617 | /* Fork here to create a child. Our child's job is to preserve the | |
618 | state of scalars prior to destruction, so that we can instruct it | |
619 | to dump any scalars that we later find have leaked. | |
620 | There's no subtlety in this code - it assumes POSIX, and it doesn't | |
621 | fail gracefully */ | |
622 | int fd[2]; | |
623 | ||
624 | if(socketpair(AF_UNIX, SOCK_STREAM, 0, fd)) { | |
625 | perror("Debug leaking scalars socketpair failed"); | |
626 | abort(); | |
627 | } | |
628 | ||
629 | child = fork(); | |
630 | if(child == -1) { | |
631 | perror("Debug leaking scalars fork failed"); | |
632 | abort(); | |
633 | } | |
634 | if (!child) { | |
635 | /* We are the child */ | |
3125a5a4 NC |
636 | const int sock = fd[1]; |
637 | const int debug_fd = PerlIO_fileno(Perl_debug_log); | |
638 | int f; | |
808ad2d0 NC |
639 | const char *where; |
640 | /* Our success message is an integer 0, and a char 0 */ | |
641 | static const char success[sizeof(int) + 1]; | |
3125a5a4 | 642 | |
2aa47728 | 643 | close(fd[0]); |
2aa47728 | 644 | |
3125a5a4 NC |
645 | /* We need to close all other file descriptors otherwise we end up |
646 | with interesting hangs, where the parent closes its end of a | |
647 | pipe, and sits waiting for (another) child to terminate. Only | |
648 | that child never terminates, because it never gets EOF, because | |
bf357333 NC |
649 | we also have the far end of the pipe open. We even need to |
650 | close the debugging fd, because sometimes it happens to be one | |
651 | end of a pipe, and a process is waiting on the other end for | |
652 | EOF. Normally it would be closed at some point earlier in | |
653 | destruction, but if we happen to cause the pipe to remain open, | |
654 | EOF never occurs, and we get an infinite hang. Hence all the | |
655 | games to pass in a file descriptor if it's actually needed. */ | |
3125a5a4 NC |
656 | |
657 | f = sysconf(_SC_OPEN_MAX); | |
658 | if(f < 0) { | |
808ad2d0 NC |
659 | where = "sysconf failed"; |
660 | goto abort; | |
3125a5a4 NC |
661 | } |
662 | while (f--) { | |
663 | if (f == sock) | |
664 | continue; | |
3125a5a4 NC |
665 | close(f); |
666 | } | |
667 | ||
2aa47728 NC |
668 | while (1) { |
669 | SV *target; | |
bf357333 NC |
670 | union control_un control; |
671 | struct msghdr msg; | |
672 | struct iovec vec[1]; | |
673 | struct cmsghdr *cmptr; | |
674 | ssize_t got; | |
675 | int got_fd; | |
676 | ||
677 | msg.msg_control = control.control; | |
678 | msg.msg_controllen = sizeof(control.control); | |
679 | /* We're a connected socket so we don't need a source */ | |
680 | msg.msg_name = NULL; | |
681 | msg.msg_namelen = 0; | |
682 | msg.msg_iov = vec; | |
683 | msg.msg_iovlen = sizeof(vec)/sizeof(vec[0]); | |
684 | ||
685 | vec[0].iov_base = (void*)⌖ | |
686 | vec[0].iov_len = sizeof(target); | |
687 | ||
688 | got = recvmsg(sock, &msg, 0); | |
2aa47728 NC |
689 | |
690 | if(got == 0) | |
691 | break; | |
692 | if(got < 0) { | |
808ad2d0 NC |
693 | where = "recv failed"; |
694 | goto abort; | |
2aa47728 NC |
695 | } |
696 | if(got < sizeof(target)) { | |
808ad2d0 NC |
697 | where = "short recv"; |
698 | goto abort; | |
2aa47728 | 699 | } |
bf357333 | 700 | |
808ad2d0 NC |
701 | if(!(cmptr = CMSG_FIRSTHDR(&msg))) { |
702 | where = "no cmsg"; | |
703 | goto abort; | |
704 | } | |
705 | if(cmptr->cmsg_len != CMSG_LEN(sizeof(int))) { | |
706 | where = "wrong cmsg_len"; | |
707 | goto abort; | |
708 | } | |
709 | if(cmptr->cmsg_level != SOL_SOCKET) { | |
710 | where = "wrong cmsg_level"; | |
711 | goto abort; | |
712 | } | |
713 | if(cmptr->cmsg_type != SCM_RIGHTS) { | |
714 | where = "wrong cmsg_type"; | |
715 | goto abort; | |
716 | } | |
bf357333 NC |
717 | |
718 | got_fd = *(int*)CMSG_DATA(cmptr); | |
719 | /* For our last little bit of trickery, put the file descriptor | |
720 | back into Perl_debug_log, as if we never actually closed it | |
721 | */ | |
808ad2d0 NC |
722 | if(got_fd != debug_fd) { |
723 | if (dup2(got_fd, debug_fd) == -1) { | |
724 | where = "dup2"; | |
725 | goto abort; | |
726 | } | |
727 | } | |
2aa47728 | 728 | sv_dump(target); |
bf357333 | 729 | |
2aa47728 NC |
730 | PerlIO_flush(Perl_debug_log); |
731 | ||
808ad2d0 | 732 | got = write(sock, &success, sizeof(success)); |
2aa47728 NC |
733 | |
734 | if(got < 0) { | |
808ad2d0 NC |
735 | where = "write failed"; |
736 | goto abort; | |
2aa47728 | 737 | } |
808ad2d0 NC |
738 | if(got < sizeof(success)) { |
739 | where = "short write"; | |
740 | goto abort; | |
2aa47728 NC |
741 | } |
742 | } | |
743 | _exit(0); | |
808ad2d0 NC |
744 | abort: |
745 | { | |
746 | int send_errno = errno; | |
747 | unsigned char length = (unsigned char) strlen(where); | |
748 | struct iovec failure[3] = { | |
749 | {(void*)&send_errno, sizeof(send_errno)}, | |
750 | {&length, 1}, | |
751 | {(void*)where, length} | |
752 | }; | |
753 | int got = writev(sock, failure, 3); | |
754 | /* Bad news travels fast. Faster than data. We'll get a SIGPIPE | |
755 | in the parent if we try to read from the socketpair after the | |
756 | child has exited, even if there was data to read. | |
757 | So sleep a bit to give the parent a fighting chance of | |
758 | reading the data. */ | |
759 | sleep(2); | |
760 | _exit((got == -1) ? errno : 0); | |
761 | } | |
bf357333 | 762 | /* End of child. */ |
2aa47728 | 763 | } |
41e4abd8 | 764 | PL_dumper_fd = fd[0]; |
2aa47728 NC |
765 | close(fd[1]); |
766 | } | |
767 | #endif | |
768 | ||
ff0cee69 | 769 | /* We must account for everything. */ |
770 | ||
771 | /* Destroy the main CV and syntax tree */ | |
17fbfdf6 NC |
772 | /* Do this now, because destroying ops can cause new SVs to be generated |
773 | in Perl_pad_swipe, and when running with -DDEBUG_LEAKING_SCALARS they | |
774 | PL_curcop to point to a valid op from which the filename structure | |
775 | member is copied. */ | |
776 | PL_curcop = &PL_compiling; | |
3280af22 | 777 | if (PL_main_root) { |
4e380990 DM |
778 | /* ensure comppad/curpad to refer to main's pad */ |
779 | if (CvPADLIST(PL_main_cv)) { | |
780 | PAD_SET_CUR_NOSAVE(CvPADLIST(PL_main_cv), 1); | |
781 | } | |
3280af22 | 782 | op_free(PL_main_root); |
5f66b61c | 783 | PL_main_root = NULL; |
a0d0e21e | 784 | } |
5f66b61c | 785 | PL_main_start = NULL; |
3280af22 | 786 | SvREFCNT_dec(PL_main_cv); |
601f1833 | 787 | PL_main_cv = NULL; |
24d3c518 | 788 | PL_dirty = TRUE; |
ff0cee69 | 789 | |
13621cfb NIS |
790 | /* Tell PerlIO we are about to tear things apart in case |
791 | we have layers which are using resources that should | |
792 | be cleaned up now. | |
793 | */ | |
794 | ||
795 | PerlIO_destruct(aTHX); | |
796 | ||
3280af22 | 797 | if (PL_sv_objcount) { |
a0d0e21e LW |
798 | /* |
799 | * Try to destruct global references. We do this first so that the | |
800 | * destructors and destructees still exist. Some sv's might remain. | |
801 | * Non-referenced objects are on their own. | |
802 | */ | |
a0d0e21e | 803 | sv_clean_objs(); |
bf9cdc68 | 804 | PL_sv_objcount = 0; |
a0de6cf5 | 805 | if (PL_defoutgv && !SvREFCNT(PL_defoutgv)) |
a0714e2c | 806 | PL_defoutgv = NULL; /* may have been freed */ |
8990e307 LW |
807 | } |
808 | ||
5cd24f17 | 809 | /* unhook hooks which will soon be, or use, destroyed data */ |
3280af22 | 810 | SvREFCNT_dec(PL_warnhook); |
a0714e2c | 811 | PL_warnhook = NULL; |
3280af22 | 812 | SvREFCNT_dec(PL_diehook); |
a0714e2c | 813 | PL_diehook = NULL; |
5cd24f17 | 814 | |
4b556e6c | 815 | /* call exit list functions */ |
3280af22 | 816 | while (PL_exitlistlen-- > 0) |
acfe0abc | 817 | PL_exitlist[PL_exitlistlen].fn(aTHX_ PL_exitlist[PL_exitlistlen].ptr); |
4b556e6c | 818 | |
3280af22 | 819 | Safefree(PL_exitlist); |
4b556e6c | 820 | |
1c4916e5 CB |
821 | PL_exitlist = NULL; |
822 | PL_exitlistlen = 0; | |
823 | ||
551a8b83 | 824 | /* jettison our possibly duplicated environment */ |
4b647fb0 DM |
825 | /* if PERL_USE_SAFE_PUTENV is defined environ will not have been copied |
826 | * so we certainly shouldn't free it here | |
827 | */ | |
2f42fcb0 | 828 | #ifndef PERL_MICRO |
4b647fb0 | 829 | #if defined(USE_ENVIRON_ARRAY) && !defined(PERL_USE_SAFE_PUTENV) |
50acdf95 | 830 | if (environ != PL_origenviron && !PL_use_safe_putenv |
4efc5df6 GS |
831 | #ifdef USE_ITHREADS |
832 | /* only main thread can free environ[0] contents */ | |
833 | && PL_curinterp == aTHX | |
834 | #endif | |
835 | ) | |
836 | { | |
551a8b83 JH |
837 | I32 i; |
838 | ||
839 | for (i = 0; environ[i]; i++) | |
4b420006 | 840 | safesysfree(environ[i]); |
0631ea03 | 841 | |
4b420006 JH |
842 | /* Must use safesysfree() when working with environ. */ |
843 | safesysfree(environ); | |
551a8b83 JH |
844 | |
845 | environ = PL_origenviron; | |
846 | } | |
847 | #endif | |
2f42fcb0 | 848 | #endif /* !PERL_MICRO */ |
551a8b83 | 849 | |
30985c42 JH |
850 | if (destruct_level == 0) { |
851 | ||
852 | DEBUG_P(debprofdump()); | |
853 | ||
854 | #if defined(PERLIO_LAYERS) | |
855 | /* No more IO - including error messages ! */ | |
856 | PerlIO_cleanup(aTHX); | |
857 | #endif | |
858 | ||
859 | CopFILE_free(&PL_compiling); | |
860 | CopSTASH_free(&PL_compiling); | |
861 | ||
862 | /* The exit() function will do everything that needs doing. */ | |
863 | return STATUS_EXIT; | |
864 | } | |
865 | ||
804ffa60 | 866 | /* reset so print() ends up where we expect */ |
a0714e2c | 867 | setdefout(NULL); |
804ffa60 | 868 | |
5f8cb046 DM |
869 | #ifdef USE_ITHREADS |
870 | /* the syntax tree is shared between clones | |
871 | * so op_free(PL_main_root) only ReREFCNT_dec's | |
872 | * REGEXPs in the parent interpreter | |
873 | * we need to manually ReREFCNT_dec for the clones | |
874 | */ | |
875 | { | |
876 | I32 i = AvFILLp(PL_regex_padav) + 1; | |
c4420975 | 877 | SV * const * const ary = AvARRAY(PL_regex_padav); |
5f8cb046 DM |
878 | |
879 | while (i) { | |
c4420975 | 880 | SV * const resv = ary[--i]; |
35061a7e DM |
881 | |
882 | if (SvFLAGS(resv) & SVf_BREAK) { | |
577e12cc | 883 | /* this is PL_reg_curpm, already freed |
35061a7e DM |
884 | * flag is set in regexec.c:S_regtry |
885 | */ | |
886 | SvFLAGS(resv) &= ~SVf_BREAK; | |
10599a69 NC |
887 | /* So stop it pointing to what is now a dead reference. */ |
888 | SvROK_off(resv); | |
3a1ee7e8 | 889 | } |
5f8cb046 DM |
890 | } |
891 | } | |
892 | SvREFCNT_dec(PL_regex_padav); | |
7d49f689 | 893 | PL_regex_padav = NULL; |
5f8cb046 DM |
894 | PL_regex_pad = NULL; |
895 | #endif | |
896 | ||
081fc587 AB |
897 | SvREFCNT_dec((SV*) PL_stashcache); |
898 | PL_stashcache = NULL; | |
899 | ||
5f05dabc | 900 | /* loosen bonds of global variables */ |
901 | ||
2f9285f8 DM |
902 | /* XXX can PL_parser still be non-null here? */ |
903 | if(PL_parser && PL_parser->rsfp) { | |
904 | (void)PerlIO_close(PL_parser->rsfp); | |
905 | PL_parser->rsfp = NULL; | |
8ebc5c01 | 906 | } |
907 | ||
84386e14 RGS |
908 | if (PL_minus_F) { |
909 | Safefree(PL_splitstr); | |
910 | PL_splitstr = NULL; | |
911 | } | |
912 | ||
8ebc5c01 | 913 | /* switches */ |
3280af22 NIS |
914 | PL_preprocess = FALSE; |
915 | PL_minus_n = FALSE; | |
916 | PL_minus_p = FALSE; | |
917 | PL_minus_l = FALSE; | |
918 | PL_minus_a = FALSE; | |
919 | PL_minus_F = FALSE; | |
920 | PL_doswitches = FALSE; | |
599cee73 | 921 | PL_dowarn = G_WARN_OFF; |
3280af22 NIS |
922 | PL_doextract = FALSE; |
923 | PL_sawampersand = FALSE; /* must save all match strings */ | |
3280af22 NIS |
924 | PL_unsafe = FALSE; |
925 | ||
926 | Safefree(PL_inplace); | |
bd61b366 | 927 | PL_inplace = NULL; |
a7cb1f99 | 928 | SvREFCNT_dec(PL_patchlevel); |
3280af22 NIS |
929 | |
930 | if (PL_e_script) { | |
931 | SvREFCNT_dec(PL_e_script); | |
a0714e2c | 932 | PL_e_script = NULL; |
8ebc5c01 | 933 | } |
934 | ||
bf9cdc68 RG |
935 | PL_perldb = 0; |
936 | ||
8ebc5c01 | 937 | /* magical thingies */ |
938 | ||
7889fe52 | 939 | SvREFCNT_dec(PL_ofs_sv); /* $, */ |
a0714e2c | 940 | PL_ofs_sv = NULL; |
5f05dabc | 941 | |
7889fe52 | 942 | SvREFCNT_dec(PL_ors_sv); /* $\ */ |
a0714e2c | 943 | PL_ors_sv = NULL; |
8ebc5c01 | 944 | |
3280af22 | 945 | SvREFCNT_dec(PL_rs); /* $/ */ |
a0714e2c | 946 | PL_rs = NULL; |
dc92893f | 947 | |
d33b2eba | 948 | Safefree(PL_osname); /* $^O */ |
bd61b366 | 949 | PL_osname = NULL; |
5f05dabc | 950 | |
3280af22 | 951 | SvREFCNT_dec(PL_statname); |
a0714e2c SS |
952 | PL_statname = NULL; |
953 | PL_statgv = NULL; | |
5f05dabc | 954 | |
8ebc5c01 | 955 | /* defgv, aka *_ should be taken care of elsewhere */ |
956 | ||
8ebc5c01 | 957 | /* clean up after study() */ |
3280af22 | 958 | SvREFCNT_dec(PL_lastscream); |
a0714e2c | 959 | PL_lastscream = NULL; |
3280af22 NIS |
960 | Safefree(PL_screamfirst); |
961 | PL_screamfirst = 0; | |
962 | Safefree(PL_screamnext); | |
963 | PL_screamnext = 0; | |
8ebc5c01 | 964 | |
7d5ea4e7 GS |
965 | /* float buffer */ |
966 | Safefree(PL_efloatbuf); | |
bd61b366 | 967 | PL_efloatbuf = NULL; |
7d5ea4e7 GS |
968 | PL_efloatsize = 0; |
969 | ||
8ebc5c01 | 970 | /* startup and shutdown function lists */ |
3280af22 | 971 | SvREFCNT_dec(PL_beginav); |
5a837c8f | 972 | SvREFCNT_dec(PL_beginav_save); |
3280af22 | 973 | SvREFCNT_dec(PL_endav); |
7d30b5c4 | 974 | SvREFCNT_dec(PL_checkav); |
ece599bd | 975 | SvREFCNT_dec(PL_checkav_save); |
3c10abe3 AG |
976 | SvREFCNT_dec(PL_unitcheckav); |
977 | SvREFCNT_dec(PL_unitcheckav_save); | |
3280af22 | 978 | SvREFCNT_dec(PL_initav); |
7d49f689 NC |
979 | PL_beginav = NULL; |
980 | PL_beginav_save = NULL; | |
981 | PL_endav = NULL; | |
982 | PL_checkav = NULL; | |
983 | PL_checkav_save = NULL; | |
3c10abe3 AG |
984 | PL_unitcheckav = NULL; |
985 | PL_unitcheckav_save = NULL; | |
7d49f689 | 986 | PL_initav = NULL; |
5618dfe8 | 987 | |
8ebc5c01 | 988 | /* shortcuts just get cleared */ |
a0714e2c SS |
989 | PL_envgv = NULL; |
990 | PL_incgv = NULL; | |
991 | PL_hintgv = NULL; | |
992 | PL_errgv = NULL; | |
993 | PL_argvgv = NULL; | |
994 | PL_argvoutgv = NULL; | |
995 | PL_stdingv = NULL; | |
996 | PL_stderrgv = NULL; | |
997 | PL_last_in_gv = NULL; | |
998 | PL_replgv = NULL; | |
999 | PL_DBgv = NULL; | |
1000 | PL_DBline = NULL; | |
1001 | PL_DBsub = NULL; | |
1002 | PL_DBsingle = NULL; | |
1003 | PL_DBtrace = NULL; | |
1004 | PL_DBsignal = NULL; | |
601f1833 | 1005 | PL_DBcv = NULL; |
7d49f689 | 1006 | PL_dbargs = NULL; |
5c284bb0 | 1007 | PL_debstash = NULL; |
8ebc5c01 | 1008 | |
7a1c5554 | 1009 | SvREFCNT_dec(PL_argvout_stack); |
7d49f689 | 1010 | PL_argvout_stack = NULL; |
8ebc5c01 | 1011 | |
5c831c24 | 1012 | SvREFCNT_dec(PL_modglobal); |
5c284bb0 | 1013 | PL_modglobal = NULL; |
5c831c24 | 1014 | SvREFCNT_dec(PL_preambleav); |
7d49f689 | 1015 | PL_preambleav = NULL; |
5c831c24 | 1016 | SvREFCNT_dec(PL_subname); |
a0714e2c | 1017 | PL_subname = NULL; |
ca0c25f6 | 1018 | #ifdef PERL_USES_PL_PIDSTATUS |
5c831c24 | 1019 | SvREFCNT_dec(PL_pidstatus); |
5c284bb0 | 1020 | PL_pidstatus = NULL; |
ca0c25f6 | 1021 | #endif |
5c831c24 | 1022 | SvREFCNT_dec(PL_toptarget); |
a0714e2c | 1023 | PL_toptarget = NULL; |
5c831c24 | 1024 | SvREFCNT_dec(PL_bodytarget); |
a0714e2c SS |
1025 | PL_bodytarget = NULL; |
1026 | PL_formtarget = NULL; | |
5c831c24 | 1027 | |
d33b2eba | 1028 | /* free locale stuff */ |
b9582b6a | 1029 | #ifdef USE_LOCALE_COLLATE |
d33b2eba | 1030 | Safefree(PL_collation_name); |
bd61b366 | 1031 | PL_collation_name = NULL; |
b9582b6a | 1032 | #endif |
d33b2eba | 1033 | |
b9582b6a | 1034 | #ifdef USE_LOCALE_NUMERIC |
d33b2eba | 1035 | Safefree(PL_numeric_name); |
bd61b366 | 1036 | PL_numeric_name = NULL; |
a453c169 | 1037 | SvREFCNT_dec(PL_numeric_radix_sv); |
a0714e2c | 1038 | PL_numeric_radix_sv = NULL; |
b9582b6a | 1039 | #endif |
d33b2eba | 1040 | |
5c831c24 GS |
1041 | /* clear utf8 character classes */ |
1042 | SvREFCNT_dec(PL_utf8_alnum); | |
1043 | SvREFCNT_dec(PL_utf8_alnumc); | |
1044 | SvREFCNT_dec(PL_utf8_ascii); | |
1045 | SvREFCNT_dec(PL_utf8_alpha); | |
1046 | SvREFCNT_dec(PL_utf8_space); | |
1047 | SvREFCNT_dec(PL_utf8_cntrl); | |
1048 | SvREFCNT_dec(PL_utf8_graph); | |
1049 | SvREFCNT_dec(PL_utf8_digit); | |
1050 | SvREFCNT_dec(PL_utf8_upper); | |
1051 | SvREFCNT_dec(PL_utf8_lower); | |
1052 | SvREFCNT_dec(PL_utf8_print); | |
1053 | SvREFCNT_dec(PL_utf8_punct); | |
1054 | SvREFCNT_dec(PL_utf8_xdigit); | |
1055 | SvREFCNT_dec(PL_utf8_mark); | |
1056 | SvREFCNT_dec(PL_utf8_toupper); | |
4dbdbdc2 | 1057 | SvREFCNT_dec(PL_utf8_totitle); |
5c831c24 | 1058 | SvREFCNT_dec(PL_utf8_tolower); |
b4e400f9 | 1059 | SvREFCNT_dec(PL_utf8_tofold); |
82686b01 JH |
1060 | SvREFCNT_dec(PL_utf8_idstart); |
1061 | SvREFCNT_dec(PL_utf8_idcont); | |
a0714e2c SS |
1062 | PL_utf8_alnum = NULL; |
1063 | PL_utf8_alnumc = NULL; | |
1064 | PL_utf8_ascii = NULL; | |
1065 | PL_utf8_alpha = NULL; | |
1066 | PL_utf8_space = NULL; | |
1067 | PL_utf8_cntrl = NULL; | |
1068 | PL_utf8_graph = NULL; | |
1069 | PL_utf8_digit = NULL; | |
1070 | PL_utf8_upper = NULL; | |
1071 | PL_utf8_lower = NULL; | |
1072 | PL_utf8_print = NULL; | |
1073 | PL_utf8_punct = NULL; | |
1074 | PL_utf8_xdigit = NULL; | |
1075 | PL_utf8_mark = NULL; | |
1076 | PL_utf8_toupper = NULL; | |
1077 | PL_utf8_totitle = NULL; | |
1078 | PL_utf8_tolower = NULL; | |
1079 | PL_utf8_tofold = NULL; | |
1080 | PL_utf8_idstart = NULL; | |
1081 | PL_utf8_idcont = NULL; | |
5c831c24 | 1082 | |
971a9dd3 | 1083 | if (!specialWARN(PL_compiling.cop_warnings)) |
72dc9ed5 | 1084 | PerlMemShared_free(PL_compiling.cop_warnings); |
a0714e2c | 1085 | PL_compiling.cop_warnings = NULL; |
c28fe1ec NC |
1086 | Perl_refcounted_he_free(aTHX_ PL_compiling.cop_hints_hash); |
1087 | PL_compiling.cop_hints_hash = NULL; | |
05ec9bb3 NIS |
1088 | CopFILE_free(&PL_compiling); |
1089 | CopSTASH_free(&PL_compiling); | |
5c831c24 | 1090 | |
a0d0e21e | 1091 | /* Prepare to destruct main symbol table. */ |
5f05dabc | 1092 | |
3280af22 NIS |
1093 | hv = PL_defstash; |
1094 | PL_defstash = 0; | |
a0d0e21e | 1095 | SvREFCNT_dec(hv); |
5c831c24 | 1096 | SvREFCNT_dec(PL_curstname); |
a0714e2c | 1097 | PL_curstname = NULL; |
a0d0e21e | 1098 | |
5a844595 GS |
1099 | /* clear queued errors */ |
1100 | SvREFCNT_dec(PL_errors); | |
a0714e2c | 1101 | PL_errors = NULL; |
5a844595 | 1102 | |
dd69841b BB |
1103 | SvREFCNT_dec(PL_isarev); |
1104 | ||
a0d0e21e | 1105 | FREETMPS; |
0453d815 | 1106 | if (destruct_level >= 2 && ckWARN_d(WARN_INTERNAL)) { |
3280af22 | 1107 | if (PL_scopestack_ix != 0) |
9014280d | 1108 | Perl_warner(aTHX_ packWARN(WARN_INTERNAL), |
0453d815 | 1109 | "Unbalanced scopes: %ld more ENTERs than LEAVEs\n", |
3280af22 NIS |
1110 | (long)PL_scopestack_ix); |
1111 | if (PL_savestack_ix != 0) | |
9014280d | 1112 | Perl_warner(aTHX_ packWARN(WARN_INTERNAL), |
0453d815 | 1113 | "Unbalanced saves: %ld more saves than restores\n", |
3280af22 NIS |
1114 | (long)PL_savestack_ix); |
1115 | if (PL_tmps_floor != -1) | |
9014280d | 1116 | Perl_warner(aTHX_ packWARN(WARN_INTERNAL),"Unbalanced tmps: %ld more allocs than frees\n", |
3280af22 | 1117 | (long)PL_tmps_floor + 1); |
a0d0e21e | 1118 | if (cxstack_ix != -1) |
9014280d | 1119 | Perl_warner(aTHX_ packWARN(WARN_INTERNAL),"Unbalanced context: %ld more PUSHes than POPs\n", |
ff0cee69 | 1120 | (long)cxstack_ix + 1); |
a0d0e21e | 1121 | } |
8990e307 LW |
1122 | |
1123 | /* Now absolutely destruct everything, somehow or other, loops or no. */ | |
d33b2eba | 1124 | SvFLAGS(PL_fdpid) |= SVTYPEMASK; /* don't clean out pid table now */ |
3280af22 | 1125 | SvFLAGS(PL_strtab) |= SVTYPEMASK; /* don't clean out strtab now */ |
5226ed68 JH |
1126 | |
1127 | /* the 2 is for PL_fdpid and PL_strtab */ | |
1128 | while (PL_sv_count > 2 && sv_clean_all()) | |
1129 | ; | |
1130 | ||
d33b2eba GS |
1131 | SvFLAGS(PL_fdpid) &= ~SVTYPEMASK; |
1132 | SvFLAGS(PL_fdpid) |= SVt_PVAV; | |
3280af22 NIS |
1133 | SvFLAGS(PL_strtab) &= ~SVTYPEMASK; |
1134 | SvFLAGS(PL_strtab) |= SVt_PVHV; | |
d33b2eba | 1135 | |
d4777f27 GS |
1136 | AvREAL_off(PL_fdpid); /* no surviving entries */ |
1137 | SvREFCNT_dec(PL_fdpid); /* needed in io_close() */ | |
7d49f689 | 1138 | PL_fdpid = NULL; |
d33b2eba | 1139 | |
6c644e78 GS |
1140 | #ifdef HAVE_INTERP_INTERN |
1141 | sys_intern_clear(); | |
1142 | #endif | |
1143 | ||
6e72f9df | 1144 | /* Destruct the global string table. */ |
1145 | { | |
1146 | /* Yell and reset the HeVAL() slots that are still holding refcounts, | |
1147 | * so that sv_free() won't fail on them. | |
80459961 NC |
1148 | * Now that the global string table is using a single hunk of memory |
1149 | * for both HE and HEK, we either need to explicitly unshare it the | |
1150 | * correct way, or actually free things here. | |
6e72f9df | 1151 | */ |
80459961 NC |
1152 | I32 riter = 0; |
1153 | const I32 max = HvMAX(PL_strtab); | |
c4420975 | 1154 | HE * const * const array = HvARRAY(PL_strtab); |
80459961 NC |
1155 | HE *hent = array[0]; |
1156 | ||
6e72f9df | 1157 | for (;;) { |
0453d815 | 1158 | if (hent && ckWARN_d(WARN_INTERNAL)) { |
44f8325f | 1159 | HE * const next = HeNEXT(hent); |
9014280d | 1160 | Perl_warner(aTHX_ packWARN(WARN_INTERNAL), |
44f8325f | 1161 | "Unbalanced string table refcount: (%ld) for \"%s\"", |
de616631 | 1162 | (long)hent->he_valu.hent_refcount, HeKEY(hent)); |
80459961 NC |
1163 | Safefree(hent); |
1164 | hent = next; | |
6e72f9df | 1165 | } |
1166 | if (!hent) { | |
1167 | if (++riter > max) | |
1168 | break; | |
1169 | hent = array[riter]; | |
1170 | } | |
1171 | } | |
80459961 NC |
1172 | |
1173 | Safefree(array); | |
1174 | HvARRAY(PL_strtab) = 0; | |
1175 | HvTOTALKEYS(PL_strtab) = 0; | |
1176 | HvFILL(PL_strtab) = 0; | |
6e72f9df | 1177 | } |
3280af22 | 1178 | SvREFCNT_dec(PL_strtab); |
6e72f9df | 1179 | |
e652bb2f | 1180 | #ifdef USE_ITHREADS |
c21d1a0f | 1181 | /* free the pointer tables used for cloning */ |
a0739874 | 1182 | ptr_table_free(PL_ptr_table); |
bf9cdc68 | 1183 | PL_ptr_table = (PTR_TBL_t*)NULL; |
53186e96 | 1184 | #endif |
a0739874 | 1185 | |
d33b2eba GS |
1186 | /* free special SVs */ |
1187 | ||
1188 | SvREFCNT(&PL_sv_yes) = 0; | |
1189 | sv_clear(&PL_sv_yes); | |
1190 | SvANY(&PL_sv_yes) = NULL; | |
4c5e2b0d | 1191 | SvFLAGS(&PL_sv_yes) = 0; |
d33b2eba GS |
1192 | |
1193 | SvREFCNT(&PL_sv_no) = 0; | |
1194 | sv_clear(&PL_sv_no); | |
1195 | SvANY(&PL_sv_no) = NULL; | |
4c5e2b0d | 1196 | SvFLAGS(&PL_sv_no) = 0; |
01724ea0 | 1197 | |
9f375a43 DM |
1198 | { |
1199 | int i; | |
1200 | for (i=0; i<=2; i++) { | |
1201 | SvREFCNT(PERL_DEBUG_PAD(i)) = 0; | |
1202 | sv_clear(PERL_DEBUG_PAD(i)); | |
1203 | SvANY(PERL_DEBUG_PAD(i)) = NULL; | |
1204 | SvFLAGS(PERL_DEBUG_PAD(i)) = 0; | |
1205 | } | |
1206 | } | |
1207 | ||
0453d815 | 1208 | if (PL_sv_count != 0 && ckWARN_d(WARN_INTERNAL)) |
9014280d | 1209 | Perl_warner(aTHX_ packWARN(WARN_INTERNAL),"Scalars leaked: %ld\n", (long)PL_sv_count); |
6e72f9df | 1210 | |
eba0f806 DM |
1211 | #ifdef DEBUG_LEAKING_SCALARS |
1212 | if (PL_sv_count != 0) { | |
1213 | SV* sva; | |
1214 | SV* sv; | |
1215 | register SV* svend; | |
1216 | ||
1217 | for (sva = PL_sv_arenaroot; sva; sva = (SV*)SvANY(sva)) { | |
1218 | svend = &sva[SvREFCNT(sva)]; | |
1219 | for (sv = sva + 1; sv < svend; ++sv) { | |
1220 | if (SvTYPE(sv) != SVTYPEMASK) { | |
a548cda8 | 1221 | PerlIO_printf(Perl_debug_log, "leaked: sv=0x%p" |
61b61456 | 1222 | " flags=0x%"UVxf |
fd0854ff DM |
1223 | " refcnt=%"UVuf pTHX__FORMAT "\n" |
1224 | "\tallocated at %s:%d %s %s%s\n", | |
6c9570dc | 1225 | (void*)sv, sv->sv_flags, sv->sv_refcnt pTHX__VALUE, |
fd0854ff DM |
1226 | sv->sv_debug_file ? sv->sv_debug_file : "(unknown)", |
1227 | sv->sv_debug_line, | |
1228 | sv->sv_debug_inpad ? "for" : "by", | |
1229 | sv->sv_debug_optype ? | |
1230 | PL_op_name[sv->sv_debug_optype]: "(none)", | |
1231 | sv->sv_debug_cloned ? " (cloned)" : "" | |
1232 | ); | |
2aa47728 | 1233 | #ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP |
41e4abd8 | 1234 | Perl_dump_sv_child(aTHX_ sv); |
2aa47728 | 1235 | #endif |
eba0f806 DM |
1236 | } |
1237 | } | |
1238 | } | |
1239 | } | |
2aa47728 NC |
1240 | #ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP |
1241 | { | |
1242 | int status; | |
1243 | fd_set rset; | |
1244 | /* Wait for up to 4 seconds for child to terminate. | |
1245 | This seems to be the least effort way of timing out on reaping | |
1246 | its exit status. */ | |
1247 | struct timeval waitfor = {4, 0}; | |
41e4abd8 | 1248 | int sock = PL_dumper_fd; |
2aa47728 NC |
1249 | |
1250 | shutdown(sock, 1); | |
1251 | FD_ZERO(&rset); | |
1252 | FD_SET(sock, &rset); | |
1253 | select(sock + 1, &rset, NULL, NULL, &waitfor); | |
1254 | waitpid(child, &status, WNOHANG); | |
1255 | close(sock); | |
1256 | } | |
1257 | #endif | |
eba0f806 | 1258 | #endif |
bf9cdc68 | 1259 | PL_sv_count = 0; |
eba0f806 | 1260 | |
f1fac472 NC |
1261 | #ifdef PERL_DEBUG_READONLY_OPS |
1262 | free(PL_slabs); | |
1263 | PL_slabs = NULL; | |
1264 | PL_slab_count = 0; | |
1265 | #endif | |
eba0f806 | 1266 | |
56a2bab7 | 1267 | #if defined(PERLIO_LAYERS) |
3a1ee7e8 NIS |
1268 | /* No more IO - including error messages ! */ |
1269 | PerlIO_cleanup(aTHX); | |
1270 | #endif | |
1271 | ||
9f4bd222 | 1272 | /* sv_undef needs to stay immortal until after PerlIO_cleanup |
a0714e2c | 1273 | as currently layers use it rather than NULL as a marker |
9f4bd222 NIS |
1274 | for no arg - and will try and SvREFCNT_dec it. |
1275 | */ | |
1276 | SvREFCNT(&PL_sv_undef) = 0; | |
1277 | SvREADONLY_off(&PL_sv_undef); | |
1278 | ||
3280af22 | 1279 | Safefree(PL_origfilename); |
bd61b366 | 1280 | PL_origfilename = NULL; |
3280af22 | 1281 | Safefree(PL_reg_start_tmp); |
bf9cdc68 RG |
1282 | PL_reg_start_tmp = (char**)NULL; |
1283 | PL_reg_start_tmpl = 0; | |
43c5f42d | 1284 | Safefree(PL_reg_curpm); |
82ba1be6 | 1285 | Safefree(PL_reg_poscache); |
dd28f7bb | 1286 | free_tied_hv_pool(); |
3280af22 | 1287 | Safefree(PL_op_mask); |
cf36064f | 1288 | Safefree(PL_psig_ptr); |
bf9cdc68 | 1289 | PL_psig_ptr = (SV**)NULL; |
cf36064f | 1290 | Safefree(PL_psig_name); |
bf9cdc68 | 1291 | PL_psig_name = (SV**)NULL; |
2c2666fc | 1292 | Safefree(PL_bitcount); |
bd61b366 | 1293 | PL_bitcount = NULL; |
ce08f86c | 1294 | Safefree(PL_psig_pend); |
bf9cdc68 | 1295 | PL_psig_pend = (int*)NULL; |
a0714e2c | 1296 | PL_formfeed = NULL; |
6e72f9df | 1297 | nuke_stacks(); |
bf9cdc68 RG |
1298 | PL_tainting = FALSE; |
1299 | PL_taint_warn = FALSE; | |
3280af22 | 1300 | PL_hints = 0; /* Reset hints. Should hints be per-interpreter ? */ |
bf9cdc68 | 1301 | PL_debug = 0; |
ac27b0f5 | 1302 | |
a0d0e21e | 1303 | DEBUG_P(debprofdump()); |
d33b2eba | 1304 | |
e5dd39fc | 1305 | #ifdef USE_REENTRANT_API |
10bc17b6 | 1306 | Perl_reentrant_free(aTHX); |
e5dd39fc AB |
1307 | #endif |
1308 | ||
612f20c3 GS |
1309 | sv_free_arenas(); |
1310 | ||
5d9a96ca DM |
1311 | while (PL_regmatch_slab) { |
1312 | regmatch_slab *s = PL_regmatch_slab; | |
1313 | PL_regmatch_slab = PL_regmatch_slab->next; | |
1314 | Safefree(s); | |
1315 | } | |
1316 | ||
fc36a67e | 1317 | /* As the absolutely last thing, free the non-arena SV for mess() */ |
1318 | ||
3280af22 | 1319 | if (PL_mess_sv) { |
f350b448 NC |
1320 | /* we know that type == SVt_PVMG */ |
1321 | ||
9c63abab | 1322 | /* it could have accumulated taint magic */ |
f350b448 NC |
1323 | MAGIC* mg; |
1324 | MAGIC* moremagic; | |
1325 | for (mg = SvMAGIC(PL_mess_sv); mg; mg = moremagic) { | |
1326 | moremagic = mg->mg_moremagic; | |
1327 | if (mg->mg_ptr && mg->mg_type != PERL_MAGIC_regex_global | |
1328 | && mg->mg_len >= 0) | |
1329 | Safefree(mg->mg_ptr); | |
1330 | Safefree(mg); | |
9c63abab | 1331 | } |
f350b448 | 1332 | |
fc36a67e | 1333 | /* we know that type >= SVt_PV */ |
8bd4d4c5 | 1334 | SvPV_free(PL_mess_sv); |
3280af22 NIS |
1335 | Safefree(SvANY(PL_mess_sv)); |
1336 | Safefree(PL_mess_sv); | |
a0714e2c | 1337 | PL_mess_sv = NULL; |
fc36a67e | 1338 | } |
37038d91 | 1339 | return STATUS_EXIT; |
79072805 LW |
1340 | } |
1341 | ||
954c1994 GS |
1342 | /* |
1343 | =for apidoc perl_free | |
1344 | ||
1345 | Releases a Perl interpreter. See L<perlembed>. | |
1346 | ||
1347 | =cut | |
1348 | */ | |
1349 | ||
79072805 | 1350 | void |
0cb96387 | 1351 | perl_free(pTHXx) |
79072805 | 1352 | { |
5174512c NC |
1353 | dVAR; |
1354 | ||
c301d606 DM |
1355 | if (PL_veto_cleanup) |
1356 | return; | |
1357 | ||
7cb608b5 | 1358 | #ifdef PERL_TRACK_MEMPOOL |
55ef9aae MHM |
1359 | { |
1360 | /* | |
1361 | * Don't free thread memory if PERL_DESTRUCT_LEVEL is set to a non-zero | |
1362 | * value as we're probably hunting memory leaks then | |
1363 | */ | |
1364 | const char * const s = PerlEnv_getenv("PERL_DESTRUCT_LEVEL"); | |
1365 | if (!s || atoi(s) == 0) { | |
1366 | /* Emulate the PerlHost behaviour of free()ing all memory allocated in this | |
1367 | thread at thread exit. */ | |
1368 | while(aTHXx->Imemory_debug_header.next != &(aTHXx->Imemory_debug_header)) | |
1369 | safesysfree(sTHX + (char *)(aTHXx->Imemory_debug_header.next)); | |
1370 | } | |
1371 | } | |
7cb608b5 NC |
1372 | #endif |
1373 | ||
acfe0abc | 1374 | #if defined(WIN32) || defined(NETWARE) |
ce3e5b80 | 1375 | # if defined(PERL_IMPLICIT_SYS) |
b36c9a52 | 1376 | { |
acfe0abc | 1377 | # ifdef NETWARE |
7af12a34 | 1378 | void *host = nw_internal_host; |
acfe0abc | 1379 | # else |
7af12a34 | 1380 | void *host = w32_internal_host; |
acfe0abc | 1381 | # endif |
7af12a34 | 1382 | PerlMem_free(aTHXx); |
acfe0abc | 1383 | # ifdef NETWARE |
7af12a34 | 1384 | nw_delete_internal_host(host); |
acfe0abc | 1385 | # else |
7af12a34 | 1386 | win32_delete_internal_host(host); |
acfe0abc | 1387 | # endif |
7af12a34 | 1388 | } |
1c0ca838 GS |
1389 | # else |
1390 | PerlMem_free(aTHXx); | |
1391 | # endif | |
acfe0abc GS |
1392 | #else |
1393 | PerlMem_free(aTHXx); | |
76e3520e | 1394 | #endif |
79072805 LW |
1395 | } |
1396 | ||
b7f7fff6 | 1397 | #if defined(USE_ITHREADS) |
aebd1ac7 GA |
1398 | /* provide destructors to clean up the thread key when libperl is unloaded */ |
1399 | #ifndef WIN32 /* handled during DLL_PROCESS_DETACH in win32/perllib.c */ | |
1400 | ||
826955bd | 1401 | #if defined(__hpux) && !(defined(__ux_version) && __ux_version <= 1020) && !defined(__GNUC__) |
aebd1ac7 | 1402 | #pragma fini "perl_fini" |
666ad1ec GA |
1403 | #elif defined(__sun) && !defined(__GNUC__) |
1404 | #pragma fini (perl_fini) | |
aebd1ac7 GA |
1405 | #endif |
1406 | ||
0dbb1585 AL |
1407 | static void |
1408 | #if defined(__GNUC__) | |
1409 | __attribute__((destructor)) | |
aebd1ac7 | 1410 | #endif |
de009b76 | 1411 | perl_fini(void) |
aebd1ac7 | 1412 | { |
27da23d5 | 1413 | dVAR; |
c301d606 | 1414 | if (PL_curinterp && !PL_veto_cleanup) |
aebd1ac7 GA |
1415 | FREE_THREAD_KEY; |
1416 | } | |
1417 | ||
1418 | #endif /* WIN32 */ | |
1419 | #endif /* THREADS */ | |
1420 | ||
4b556e6c | 1421 | void |
864dbfa3 | 1422 | Perl_call_atexit(pTHX_ ATEXIT_t fn, void *ptr) |
4b556e6c | 1423 | { |
97aff369 | 1424 | dVAR; |
3280af22 NIS |
1425 | Renew(PL_exitlist, PL_exitlistlen+1, PerlExitListEntry); |
1426 | PL_exitlist[PL_exitlistlen].fn = fn; | |
1427 | PL_exitlist[PL_exitlistlen].ptr = ptr; | |
1428 | ++PL_exitlistlen; | |
4b556e6c JD |
1429 | } |
1430 | ||
56cf6df8 RGS |
1431 | #ifdef HAS_PROCSELFEXE |
1432 | /* This is a function so that we don't hold on to MAXPATHLEN | |
1433 | bytes of stack longer than necessary | |
1434 | */ | |
1435 | STATIC void | |
e1ec3a88 | 1436 | S_procself_val(pTHX_ SV *sv, const char *arg0) |
56cf6df8 RGS |
1437 | { |
1438 | char buf[MAXPATHLEN]; | |
1439 | int len = readlink(PROCSELFEXE_PATH, buf, sizeof(buf) - 1); | |
1440 | ||
1441 | /* On Playstation2 Linux V1.0 (kernel 2.2.1) readlink(/proc/self/exe) | |
1442 | includes a spurious NUL which will cause $^X to fail in system | |
1443 | or backticks (this will prevent extensions from being built and | |
1444 | many tests from working). readlink is not meant to add a NUL. | |
1445 | Normal readlink works fine. | |
1446 | */ | |
1447 | if (len > 0 && buf[len-1] == '\0') { | |
1448 | len--; | |
1449 | } | |
1450 | ||
1451 | /* FreeBSD's implementation is acknowledged to be imperfect, sometimes | |
1452 | returning the text "unknown" from the readlink rather than the path | |
1453 | to the executable (or returning an error from the readlink). Any valid | |
1454 | path has a '/' in it somewhere, so use that to validate the result. | |
1455 | See http://www.freebsd.org/cgi/query-pr.cgi?pr=35703 | |
1456 | */ | |
1457 | if (len > 0 && memchr(buf, '/', len)) { | |
1458 | sv_setpvn(sv,buf,len); | |
1459 | } | |
1460 | else { | |
1461 | sv_setpv(sv,arg0); | |
1462 | } | |
1463 | } | |
1464 | #endif /* HAS_PROCSELFEXE */ | |
b7975bdd NC |
1465 | |
1466 | STATIC void | |
1467 | S_set_caret_X(pTHX) { | |
97aff369 | 1468 | dVAR; |
fafc274c | 1469 | GV* tmpgv = gv_fetchpvs("\030", GV_ADD|GV_NOTQUAL, SVt_PV); /* $^X */ |
b7975bdd NC |
1470 | if (tmpgv) { |
1471 | #ifdef HAS_PROCSELFEXE | |
1472 | S_procself_val(aTHX_ GvSV(tmpgv), PL_origargv[0]); | |
1473 | #else | |
1474 | #ifdef OS2 | |
c69033f2 | 1475 | sv_setpv(GvSVn(tmpgv), os2_execname(aTHX)); |
b7975bdd | 1476 | #else |
c69033f2 | 1477 | sv_setpv(GvSVn(tmpgv),PL_origargv[0]); |
b7975bdd NC |
1478 | #endif |
1479 | #endif | |
1480 | } | |
1481 | } | |
1482 | ||
954c1994 GS |
1483 | /* |
1484 | =for apidoc perl_parse | |
1485 | ||
1486 | Tells a Perl interpreter to parse a Perl script. See L<perlembed>. | |
1487 | ||
1488 | =cut | |
1489 | */ | |
1490 | ||
79072805 | 1491 | int |
0cb96387 | 1492 | perl_parse(pTHXx_ XSINIT_t xsinit, int argc, char **argv, char **env) |
8d063cd8 | 1493 | { |
27da23d5 | 1494 | dVAR; |
6224f72b | 1495 | I32 oldscope; |
6224f72b | 1496 | int ret; |
db36c5a1 | 1497 | dJMPENV; |
8d063cd8 | 1498 | |
ed6c66dd | 1499 | PERL_UNUSED_ARG(my_perl); |
9d4ba2ae | 1500 | |
a687059c LW |
1501 | #ifdef SETUID_SCRIPTS_ARE_SECURE_NOW |
1502 | #ifdef IAMSUID | |
1503 | #undef IAMSUID | |
cea2e8a9 | 1504 | Perl_croak(aTHX_ "suidperl is no longer needed since the kernel can now execute\n\ |
a687059c | 1505 | setuid perl scripts securely.\n"); |
ae3f3efd | 1506 | #endif /* IAMSUID */ |
a687059c LW |
1507 | #endif |
1508 | ||
b0891165 JH |
1509 | #if defined(USE_HASH_SEED) || defined(USE_HASH_SEED_EXPLICIT) |
1510 | /* [perl #22371] Algorimic Complexity Attack on Perl 5.6.1, 5.8.0 | |
103dd899 | 1511 | * This MUST be done before any hash stores or fetches take place. |
008fb0c0 NC |
1512 | * If you set PL_rehash_seed (and assumedly also PL_rehash_seed_set) |
1513 | * yourself, it is your responsibility to provide a good random seed! | |
830b38bd | 1514 | * You can also define PERL_HASH_SEED in compile time, see hv.h. */ |
008fb0c0 NC |
1515 | if (!PL_rehash_seed_set) |
1516 | PL_rehash_seed = get_hash_seed(); | |
b0891165 | 1517 | { |
9d4ba2ae | 1518 | const char * const s = PerlEnv_getenv("PERL_HASH_SEED_DEBUG"); |
bed60192 | 1519 | |
1b6737cc AL |
1520 | if (s && (atoi(s) == 1)) |
1521 | PerlIO_printf(Perl_debug_log, "HASH_SEED = %"UVuf"\n", PL_rehash_seed); | |
b0891165 JH |
1522 | } |
1523 | #endif /* #if defined(USE_HASH_SEED) || defined(USE_HASH_SEED_EXPLICIT) */ | |
1524 | ||
3280af22 | 1525 | PL_origargc = argc; |
e2975953 | 1526 | PL_origargv = argv; |
a0d0e21e | 1527 | |
a2722ac9 GA |
1528 | if (PL_origalen != 0) { |
1529 | PL_origalen = 1; /* don't use old PL_origalen if perl_parse() is called again */ | |
1530 | } | |
1531 | else { | |
3cb9023d JH |
1532 | /* Set PL_origalen be the sum of the contiguous argv[] |
1533 | * elements plus the size of the env in case that it is | |
e9137a8e | 1534 | * contiguous with the argv[]. This is used in mg.c:Perl_magic_set() |
3cb9023d JH |
1535 | * as the maximum modifiable length of $0. In the worst case |
1536 | * the area we are able to modify is limited to the size of | |
43c32782 | 1537 | * the original argv[0]. (See below for 'contiguous', though.) |
3cb9023d | 1538 | * --jhi */ |
e1ec3a88 | 1539 | const char *s = NULL; |
54bfe034 | 1540 | int i; |
1b6737cc | 1541 | const UV mask = |
7d8e7db3 | 1542 | ~(UV)(PTRSIZE == 4 ? 3 : PTRSIZE == 8 ? 7 : PTRSIZE == 16 ? 15 : 0); |
43c32782 | 1543 | /* Do the mask check only if the args seem like aligned. */ |
1b6737cc | 1544 | const UV aligned = |
43c32782 JH |
1545 | (mask < ~(UV)0) && ((PTR2UV(argv[0]) & mask) == PTR2UV(argv[0])); |
1546 | ||
1547 | /* See if all the arguments are contiguous in memory. Note | |
1548 | * that 'contiguous' is a loose term because some platforms | |
1549 | * align the argv[] and the envp[]. If the arguments look | |
1550 | * like non-aligned, assume that they are 'strictly' or | |
1551 | * 'traditionally' contiguous. If the arguments look like | |
1552 | * aligned, we just check that they are within aligned | |
1553 | * PTRSIZE bytes. As long as no system has something bizarre | |
1554 | * like the argv[] interleaved with some other data, we are | |
1555 | * fine. (Did I just evoke Murphy's Law?) --jhi */ | |
c8941eeb JH |
1556 | if (PL_origargv && PL_origargc >= 1 && (s = PL_origargv[0])) { |
1557 | while (*s) s++; | |
1558 | for (i = 1; i < PL_origargc; i++) { | |
1559 | if ((PL_origargv[i] == s + 1 | |
43c32782 | 1560 | #ifdef OS2 |
c8941eeb | 1561 | || PL_origargv[i] == s + 2 |
43c32782 | 1562 | #endif |
c8941eeb JH |
1563 | ) |
1564 | || | |
1565 | (aligned && | |
1566 | (PL_origargv[i] > s && | |
1567 | PL_origargv[i] <= | |
1568 | INT2PTR(char *, PTR2UV(s + PTRSIZE) & mask))) | |
1569 | ) | |
1570 | { | |
1571 | s = PL_origargv[i]; | |
1572 | while (*s) s++; | |
1573 | } | |
1574 | else | |
1575 | break; | |
54bfe034 | 1576 | } |
54bfe034 | 1577 | } |
a4a109c2 JD |
1578 | |
1579 | #ifndef PERL_USE_SAFE_PUTENV | |
3cb9023d | 1580 | /* Can we grab env area too to be used as the area for $0? */ |
a4a109c2 | 1581 | if (s && PL_origenviron && !PL_use_safe_putenv) { |
9d419b5f | 1582 | if ((PL_origenviron[0] == s + 1) |
43c32782 JH |
1583 | || |
1584 | (aligned && | |
1585 | (PL_origenviron[0] > s && | |
1586 | PL_origenviron[0] <= | |
1587 | INT2PTR(char *, PTR2UV(s + PTRSIZE) & mask))) | |
1588 | ) | |
1589 | { | |
9d419b5f | 1590 | #ifndef OS2 /* ENVIRON is read by the kernel too. */ |
43c32782 JH |
1591 | s = PL_origenviron[0]; |
1592 | while (*s) s++; | |
1593 | #endif | |
bd61b366 | 1594 | my_setenv("NoNe SuCh", NULL); |
43c32782 JH |
1595 | /* Force copy of environment. */ |
1596 | for (i = 1; PL_origenviron[i]; i++) { | |
1597 | if (PL_origenviron[i] == s + 1 | |
1598 | || | |
1599 | (aligned && | |
1600 | (PL_origenviron[i] > s && | |
1601 | PL_origenviron[i] <= | |
1602 | INT2PTR(char *, PTR2UV(s + PTRSIZE) & mask))) | |
1603 | ) | |
1604 | { | |
1605 | s = PL_origenviron[i]; | |
1606 | while (*s) s++; | |
1607 | } | |
1608 | else | |
1609 | break; | |
54bfe034 | 1610 | } |
43c32782 | 1611 | } |
54bfe034 | 1612 | } |
a4a109c2 JD |
1613 | #endif /* !defined(PERL_USE_SAFE_PUTENV) */ |
1614 | ||
2d2af554 | 1615 | PL_origalen = s ? s - PL_origargv[0] + 1 : 0; |
54bfe034 JH |
1616 | } |
1617 | ||
3280af22 | 1618 | if (PL_do_undump) { |
a0d0e21e LW |
1619 | |
1620 | /* Come here if running an undumped a.out. */ | |
1621 | ||
3280af22 NIS |
1622 | PL_origfilename = savepv(argv[0]); |
1623 | PL_do_undump = FALSE; | |
a0d0e21e | 1624 | cxstack_ix = -1; /* start label stack again */ |
748a9306 | 1625 | init_ids(); |
b7975bdd NC |
1626 | assert (!PL_tainted); |
1627 | TAINT; | |
1628 | S_set_caret_X(aTHX); | |
1629 | TAINT_NOT; | |
a0d0e21e LW |
1630 | init_postdump_symbols(argc,argv,env); |
1631 | return 0; | |
1632 | } | |
1633 | ||
3280af22 | 1634 | if (PL_main_root) { |
3280af22 | 1635 | op_free(PL_main_root); |
5f66b61c | 1636 | PL_main_root = NULL; |
ff0cee69 | 1637 | } |
5f66b61c | 1638 | PL_main_start = NULL; |
3280af22 | 1639 | SvREFCNT_dec(PL_main_cv); |
601f1833 | 1640 | PL_main_cv = NULL; |
79072805 | 1641 | |
3280af22 NIS |
1642 | time(&PL_basetime); |
1643 | oldscope = PL_scopestack_ix; | |
599cee73 | 1644 | PL_dowarn = G_WARN_OFF; |
f86702cc | 1645 | |
14dd3ad8 | 1646 | JMPENV_PUSH(ret); |
6224f72b | 1647 | switch (ret) { |
312caa8e | 1648 | case 0: |
14dd3ad8 | 1649 | parse_body(env,xsinit); |
3c10abe3 AG |
1650 | if (PL_unitcheckav) |
1651 | call_list(oldscope, PL_unitcheckav); | |
7d30b5c4 GS |
1652 | if (PL_checkav) |
1653 | call_list(oldscope, PL_checkav); | |
14dd3ad8 GS |
1654 | ret = 0; |
1655 | break; | |
6224f72b GS |
1656 | case 1: |
1657 | STATUS_ALL_FAILURE; | |
1658 | /* FALL THROUGH */ | |
1659 | case 2: | |
1660 | /* my_exit() was called */ | |
3280af22 | 1661 | while (PL_scopestack_ix > oldscope) |
6224f72b GS |
1662 | LEAVE; |
1663 | FREETMPS; | |
3280af22 | 1664 | PL_curstash = PL_defstash; |
3c10abe3 AG |
1665 | if (PL_unitcheckav) |
1666 | call_list(oldscope, PL_unitcheckav); | |
7d30b5c4 GS |
1667 | if (PL_checkav) |
1668 | call_list(oldscope, PL_checkav); | |
37038d91 | 1669 | ret = STATUS_EXIT; |
14dd3ad8 | 1670 | break; |
6224f72b | 1671 | case 3: |
bf49b057 | 1672 | PerlIO_printf(Perl_error_log, "panic: top_env\n"); |
14dd3ad8 GS |
1673 | ret = 1; |
1674 | break; | |
6224f72b | 1675 | } |
14dd3ad8 GS |
1676 | JMPENV_POP; |
1677 | return ret; | |
1678 | } | |
1679 | ||
312caa8e | 1680 | STATIC void * |
14dd3ad8 | 1681 | S_parse_body(pTHX_ char **env, XSINIT_t xsinit) |
312caa8e | 1682 | { |
27da23d5 | 1683 | dVAR; |
2f9285f8 | 1684 | PerlIO *rsfp; |
312caa8e | 1685 | int argc = PL_origargc; |
8f42b153 | 1686 | char **argv = PL_origargv; |
e1ec3a88 | 1687 | const char *scriptname = NULL; |
312caa8e | 1688 | VOL bool dosearch = FALSE; |
e1ec3a88 | 1689 | const char *validarg = ""; |
312caa8e | 1690 | register SV *sv; |
c7030b81 | 1691 | register char c; |
bd61b366 | 1692 | const char *cddir = NULL; |
ab019eaa | 1693 | #ifdef USE_SITECUSTOMIZE |
20ef40cf | 1694 | bool minus_f = FALSE; |
ab019eaa | 1695 | #endif |
009d90df | 1696 | SV *linestr_sv = newSV_type(SVt_PVIV); |
5486870f | 1697 | bool add_read_e_script = FALSE; |
009d90df DM |
1698 | |
1699 | SvGROW(linestr_sv, 80); | |
1700 | sv_setpvn(linestr_sv,"",0); | |
312caa8e | 1701 | |
396482e1 | 1702 | sv = newSVpvs(""); /* first used for -I flags */ |
6224f72b GS |
1703 | SAVEFREESV(sv); |
1704 | init_main_stash(); | |
54310121 | 1705 | |
c7030b81 NC |
1706 | { |
1707 | const char *s; | |
6224f72b GS |
1708 | for (argc--,argv++; argc > 0; argc--,argv++) { |
1709 | if (argv[0][0] != '-' || !argv[0][1]) | |
1710 | break; | |
1711 | #ifdef DOSUID | |
1712 | if (*validarg) | |
1713 | validarg = " PHOOEY "; | |
1714 | else | |
1715 | validarg = argv[0]; | |
ae3f3efd PS |
1716 | /* |
1717 | * Can we rely on the kernel to start scripts with argv[1] set to | |
1718 | * contain all #! line switches (the whole line)? (argv[0] is set to | |
1719 | * the interpreter name, argv[2] to the script name; argv[3] and | |
1720 | * above may contain other arguments.) | |
1721 | */ | |
13281fa4 | 1722 | #endif |
6224f72b GS |
1723 | s = argv[0]+1; |
1724 | reswitch: | |
47f56822 | 1725 | switch ((c = *s)) { |
729a02f2 | 1726 | case 'C': |
1d5472a9 GS |
1727 | #ifndef PERL_STRICT_CR |
1728 | case '\r': | |
1729 | #endif | |
6224f72b GS |
1730 | case ' ': |
1731 | case '0': | |
1732 | case 'F': | |
1733 | case 'a': | |
1734 | case 'c': | |
1735 | case 'd': | |
1736 | case 'D': | |
1737 | case 'h': | |
1738 | case 'i': | |
1739 | case 'l': | |
1740 | case 'M': | |
1741 | case 'm': | |
1742 | case 'n': | |
1743 | case 'p': | |
1744 | case 's': | |
1745 | case 'u': | |
1746 | case 'U': | |
1747 | case 'v': | |
599cee73 PM |
1748 | case 'W': |
1749 | case 'X': | |
6224f72b | 1750 | case 'w': |
97bd5664 | 1751 | if ((s = moreswitches(s))) |
6224f72b GS |
1752 | goto reswitch; |
1753 | break; | |
33b78306 | 1754 | |
1dbad523 | 1755 | case 't': |
22f7c9c9 | 1756 | CHECK_MALLOC_TOO_LATE_FOR('t'); |
317ea90d MS |
1757 | if( !PL_tainting ) { |
1758 | PL_taint_warn = TRUE; | |
1759 | PL_tainting = TRUE; | |
1760 | } | |
1761 | s++; | |
1762 | goto reswitch; | |
6224f72b | 1763 | case 'T': |
22f7c9c9 | 1764 | CHECK_MALLOC_TOO_LATE_FOR('T'); |
3280af22 | 1765 | PL_tainting = TRUE; |
317ea90d | 1766 | PL_taint_warn = FALSE; |
6224f72b GS |
1767 | s++; |
1768 | goto reswitch; | |
f86702cc | 1769 | |
bc9b29db RH |
1770 | case 'E': |
1771 | PL_minus_E = TRUE; | |
1772 | /* FALL THROUGH */ | |
6224f72b | 1773 | case 'e': |
bf4acbe4 GS |
1774 | #ifdef MACOS_TRADITIONAL |
1775 | /* ignore -e for Dev:Pseudo argument */ | |
1776 | if (argv[1] && !strcmp(argv[1], "Dev:Pseudo")) | |
e55ac0fa | 1777 | break; |
bf4acbe4 | 1778 | #endif |
a52eba0e | 1779 | forbid_setid('e', -1); |
3280af22 | 1780 | if (!PL_e_script) { |
396482e1 | 1781 | PL_e_script = newSVpvs(""); |
5486870f | 1782 | add_read_e_script = TRUE; |
6224f72b GS |
1783 | } |
1784 | if (*++s) | |
3280af22 | 1785 | sv_catpv(PL_e_script, s); |
6224f72b | 1786 | else if (argv[1]) { |
3280af22 | 1787 | sv_catpv(PL_e_script, argv[1]); |
6224f72b GS |
1788 | argc--,argv++; |
1789 | } | |
1790 | else | |
47f56822 | 1791 | Perl_croak(aTHX_ "No code specified for -%c", c); |
396482e1 | 1792 | sv_catpvs(PL_e_script, "\n"); |
6224f72b | 1793 | break; |
afe37c7d | 1794 | |
20ef40cf | 1795 | case 'f': |
f5542d3a | 1796 | #ifdef USE_SITECUSTOMIZE |
20ef40cf | 1797 | minus_f = TRUE; |
f5542d3a | 1798 | #endif |
20ef40cf GA |
1799 | s++; |
1800 | goto reswitch; | |
1801 | ||
6224f72b | 1802 | case 'I': /* -I handled both here and in moreswitches() */ |
a52eba0e | 1803 | forbid_setid('I', -1); |
bd61b366 | 1804 | if (!*++s && (s=argv[1]) != NULL) { |
6224f72b GS |
1805 | argc--,argv++; |
1806 | } | |
6224f72b | 1807 | if (s && *s) { |
0df16ed7 | 1808 | STRLEN len = strlen(s); |
aec46f14 | 1809 | const char * const p = savepvn(s, len); |
88fe16b2 | 1810 | incpush(p, TRUE, TRUE, FALSE, FALSE); |
396482e1 | 1811 | sv_catpvs(sv, "-I"); |
0df16ed7 | 1812 | sv_catpvn(sv, p, len); |
396482e1 | 1813 | sv_catpvs(sv, " "); |
6224f72b | 1814 | Safefree(p); |
0df16ed7 GS |
1815 | } |
1816 | else | |
a67e862a | 1817 | Perl_croak(aTHX_ "No directory specified for -I"); |
6224f72b GS |
1818 | break; |
1819 | case 'P': | |
a52eba0e | 1820 | forbid_setid('P', -1); |
3280af22 | 1821 | PL_preprocess = TRUE; |
6224f72b | 1822 | s++; |
6cccac84 | 1823 | deprecate("-P"); |
6224f72b GS |
1824 | goto reswitch; |
1825 | case 'S': | |
a52eba0e | 1826 | forbid_setid('S', -1); |
6224f72b GS |
1827 | dosearch = TRUE; |
1828 | s++; | |
1829 | goto reswitch; | |
1830 | case 'V': | |
7edfd0ef NC |
1831 | { |
1832 | SV *opts_prog; | |
1833 | ||
29a861e7 | 1834 | Perl_av_create_and_push(aTHX_ &PL_preambleav, newSVpvs("use Config;")); |
7edfd0ef | 1835 | if (*++s != ':') { |
389d73ad NC |
1836 | /* Can't do newSVpvs() as that would involve pre-processor |
1837 | condititionals inside a macro expansion. */ | |
1838 | opts_prog = Perl_newSVpv(aTHX_ "$_ = join ' ', sort qw(" | |
6224f72b | 1839 | # ifdef DEBUGGING |
e2e4dbf1 | 1840 | " DEBUGGING" |
6224f72b | 1841 | # endif |
3bcf5ed8 SP |
1842 | # ifdef NO_MATHOMS |
1843 | " NO_MATHOMS" | |
1844 | # endif | |
85e1fcb9 | 1845 | # ifdef PERL_DONT_CREATE_GVSV |
e2e4dbf1 | 1846 | " PERL_DONT_CREATE_GVSV" |
85e1fcb9 | 1847 | # endif |
85e1fcb9 | 1848 | # ifdef PERL_MALLOC_WRAP |
e2e4dbf1 | 1849 | " PERL_MALLOC_WRAP" |
85e1fcb9 | 1850 | # endif |
4724db38 NC |
1851 | # ifdef PERL_MEM_LOG |
1852 | " PERL_MEM_LOG" | |
1853 | # endif | |
1854 | # ifdef PERL_MEM_LOG_ENV | |
1855 | " PERL_MEM_LOG_ENV" | |
1856 | # endif | |
1857 | # ifdef PERL_MEM_LOG_ENV_FD | |
1858 | " PERL_MEM_LOG_ENV_FD" | |
1859 | # endif | |
1860 | # ifdef PERL_MEM_LOG_STDERR | |
1861 | " PERL_MEM_LOG_STDERR" | |
1862 | # endif | |
1863 | # ifdef PERL_MEM_LOG_TIMESTAMP | |
1864 | " PERL_MEM_LOG_TIMESTAMP" | |
1865 | # endif | |
417cd4a8 SP |
1866 | # ifdef PERL_USE_SAFE_PUTENV |
1867 | " PERL_USE_SAFE_PUTENV" | |
1868 | # endif | |
20ef40cf | 1869 | # ifdef USE_SITECUSTOMIZE |
e2e4dbf1 | 1870 | " USE_SITECUSTOMIZE" |
20ef40cf | 1871 | # endif |
389d73ad | 1872 | , 0); |
efcaa95b | 1873 | |
b75885fd | 1874 | sv_catpv(opts_prog, PL_bincompat_options); |
389d73ad NC |
1875 | /* Terminate the qw(, and then wrap at 76 columns. */ |
1876 | sv_catpvs(opts_prog, "); s/(?=.{53})(.{1,53}) /$1\\n /mg;print Config::myconfig(),"); | |
1877 | #ifdef VMS | |
1878 | sv_catpvs(opts_prog,"\"\\nCharacteristics of this PERLSHR image: \\n"); | |
1879 | #else | |
1880 | sv_catpvs(opts_prog,"\"\\nCharacteristics of this binary (from libperl): \\n"); | |
1881 | #endif | |
efcaa95b | 1882 | |
389d73ad | 1883 | sv_catpvs(opts_prog," Compile-time options: $_\\n\","); |
b363f7ed | 1884 | |
6224f72b | 1885 | #if defined(LOCAL_PATCH_COUNT) |
7edfd0ef NC |
1886 | if (LOCAL_PATCH_COUNT > 0) { |
1887 | int i; | |
396482e1 | 1888 | sv_catpvs(opts_prog, |
7edfd0ef NC |
1889 | "\" Locally applied patches:\\n\","); |
1890 | for (i = 1; i <= LOCAL_PATCH_COUNT; i++) { | |
1891 | if (PL_localpatches[i]) | |
1892 | Perl_sv_catpvf(aTHX_ opts_prog,"q%c\t%s\n%c,", | |
1893 | 0, PL_localpatches[i], 0); | |
1894 | } | |
6224f72b | 1895 | } |
6224f72b | 1896 | #endif |
7edfd0ef | 1897 | Perl_sv_catpvf(aTHX_ opts_prog, |
758ce194 | 1898 | "\" Built under %s\\n",OSNAME); |
6224f72b GS |
1899 | #ifdef __DATE__ |
1900 | # ifdef __TIME__ | |
7edfd0ef | 1901 | Perl_sv_catpvf(aTHX_ opts_prog, |
758ce194 | 1902 | " Compiled at %s %s\\n\"",__DATE__, |
7edfd0ef | 1903 | __TIME__); |
6224f72b | 1904 | # else |
758ce194 | 1905 | Perl_sv_catpvf(aTHX_ opts_prog," Compiled on %s\\n\"", |
7edfd0ef | 1906 | __DATE__); |
6224f72b GS |
1907 | # endif |
1908 | #endif | |
396482e1 | 1909 | sv_catpvs(opts_prog, "; $\"=\"\\n \"; " |
7edfd0ef NC |
1910 | "@env = map { \"$_=\\\"$ENV{$_}\\\"\" } " |
1911 | "sort grep {/^PERL/} keys %ENV; "); | |
69fcd688 | 1912 | #ifdef __CYGWIN__ |
396482e1 | 1913 | sv_catpvs(opts_prog, |
7edfd0ef | 1914 | "push @env, \"CYGWIN=\\\"$ENV{CYGWIN}\\\"\";"); |
69fcd688 | 1915 | #endif |
396482e1 | 1916 | sv_catpvs(opts_prog, |
7edfd0ef NC |
1917 | "print \" \\%ENV:\\n @env\\n\" if @env;" |
1918 | "print \" \\@INC:\\n @INC\\n\";"); | |
1919 | } | |
1920 | else { | |
1921 | ++s; | |
1922 | opts_prog = Perl_newSVpvf(aTHX_ | |
1923 | "Config::config_vars(qw%c%s%c)", | |
1924 | 0, s, 0); | |
1925 | s += strlen(s); | |
1926 | } | |
1927 | av_push(PL_preambleav, opts_prog); | |
1928 | /* don't look for script or read stdin */ | |
1929 | scriptname = BIT_BUCKET; | |
1930 | goto reswitch; | |
6224f72b | 1931 | } |
6224f72b | 1932 | case 'x': |
3280af22 | 1933 | PL_doextract = TRUE; |
6224f72b | 1934 | s++; |
304334da | 1935 | if (*s) |
f4c556ac | 1936 | cddir = s; |
6224f72b GS |
1937 | break; |
1938 | case 0: | |
1939 | break; | |
1940 | case '-': | |
1941 | if (!*++s || isSPACE(*s)) { | |
1942 | argc--,argv++; | |
1943 | goto switch_end; | |
1944 | } | |
1945 | /* catch use of gnu style long options */ | |
1946 | if (strEQ(s, "version")) { | |
dd374669 | 1947 | s = (char *)"v"; |
6224f72b GS |
1948 | goto reswitch; |
1949 | } | |
1950 | if (strEQ(s, "help")) { | |
dd374669 | 1951 | s = (char *)"h"; |
6224f72b GS |
1952 | goto reswitch; |
1953 | } | |
1954 | s--; | |
1955 | /* FALL THROUGH */ | |
1956 | default: | |
cea2e8a9 | 1957 | Perl_croak(aTHX_ "Unrecognized switch: -%s (-h will show valid options)",s); |
8d063cd8 LW |
1958 | } |
1959 | } | |
c7030b81 NC |
1960 | } |
1961 | ||
6224f72b | 1962 | switch_end: |
54310121 | 1963 | |
c7030b81 NC |
1964 | { |
1965 | char *s; | |
1966 | ||
f675dbe5 CB |
1967 | if ( |
1968 | #ifndef SECURE_INTERNAL_GETENV | |
1969 | !PL_tainting && | |
1970 | #endif | |
cf756827 | 1971 | (s = PerlEnv_getenv("PERL5OPT"))) |
0df16ed7 | 1972 | { |
e1ec3a88 | 1973 | const char *popt = s; |
74288ac8 GS |
1974 | while (isSPACE(*s)) |
1975 | s++; | |
317ea90d | 1976 | if (*s == '-' && *(s+1) == 'T') { |
22f7c9c9 | 1977 | CHECK_MALLOC_TOO_LATE_FOR('T'); |
74288ac8 | 1978 | PL_tainting = TRUE; |
317ea90d MS |
1979 | PL_taint_warn = FALSE; |
1980 | } | |
74288ac8 | 1981 | else { |
bd61b366 | 1982 | char *popt_copy = NULL; |
74288ac8 | 1983 | while (s && *s) { |
4ea8f8fb | 1984 | char *d; |
74288ac8 GS |
1985 | while (isSPACE(*s)) |
1986 | s++; | |
1987 | if (*s == '-') { | |
1988 | s++; | |
1989 | if (isSPACE(*s)) | |
1990 | continue; | |
1991 | } | |
4ea8f8fb | 1992 | d = s; |
74288ac8 GS |
1993 | if (!*s) |
1994 | break; | |
f0d36289 | 1995 | if (!strchr("CDIMUdmtw", *s)) |
cea2e8a9 | 1996 | Perl_croak(aTHX_ "Illegal switch in PERL5OPT: -%c", *s); |
4ea8f8fb MS |
1997 | while (++s && *s) { |
1998 | if (isSPACE(*s)) { | |
cf756827 GS |
1999 | if (!popt_copy) { |
2000 | popt_copy = SvPVX(sv_2mortal(newSVpv(popt,0))); | |
2001 | s = popt_copy + (s - popt); | |
2002 | d = popt_copy + (d - popt); | |
2003 | } | |
4ea8f8fb MS |
2004 | *s++ = '\0'; |
2005 | break; | |
2006 | } | |
2007 | } | |
1c4db469 | 2008 | if (*d == 't') { |
317ea90d MS |
2009 | if( !PL_tainting ) { |
2010 | PL_taint_warn = TRUE; | |
2011 | PL_tainting = TRUE; | |
2012 | } | |
1c4db469 | 2013 | } else { |
97bd5664 | 2014 | moreswitches(d); |
1c4db469 | 2015 | } |
6224f72b | 2016 | } |
6224f72b GS |
2017 | } |
2018 | } | |
c7030b81 | 2019 | } |
a0d0e21e | 2020 | |
20ef40cf GA |
2021 | #ifdef USE_SITECUSTOMIZE |
2022 | if (!minus_f) { | |
29a861e7 NC |
2023 | (void)Perl_av_create_and_unshift_one(aTHX_ &PL_preambleav, |
2024 | Perl_newSVpvf(aTHX_ "BEGIN { do '%s/sitecustomize.pl' }", SITELIB_EXP)); | |
20ef40cf GA |
2025 | } |
2026 | #endif | |
2027 | ||
6224f72b GS |
2028 | if (!scriptname) |
2029 | scriptname = argv[0]; | |
3280af22 | 2030 | if (PL_e_script) { |
6224f72b GS |
2031 | argc++,argv--; |
2032 | scriptname = BIT_BUCKET; /* don't look for script or read stdin */ | |
2033 | } | |
bd61b366 | 2034 | else if (scriptname == NULL) { |
6224f72b GS |
2035 | #ifdef MSDOS |
2036 | if ( PerlLIO_isatty(PerlIO_fileno(PerlIO_stdin())) ) | |
97bd5664 | 2037 | moreswitches("h"); |
6224f72b GS |
2038 | #endif |
2039 | scriptname = "-"; | |
2040 | } | |
2041 | ||
b7975bdd NC |
2042 | /* Set $^X early so that it can be used for relocatable paths in @INC */ |
2043 | assert (!PL_tainted); | |
2044 | TAINT; | |
2045 | S_set_caret_X(aTHX); | |
2046 | TAINT_NOT; | |
6224f72b GS |
2047 | init_perllib(); |
2048 | ||
a52eba0e NC |
2049 | { |
2050 | int suidscript; | |
2051 | const int fdscript | |
2f9285f8 | 2052 | = open_script(scriptname, dosearch, sv, &suidscript, &rsfp); |
6224f72b | 2053 | |
2f9285f8 DM |
2054 | validate_suid(validarg, scriptname, fdscript, suidscript, |
2055 | linestr_sv, rsfp); | |
6224f72b | 2056 | |
64ca3a65 | 2057 | #ifndef PERL_MICRO |
a52eba0e NC |
2058 | # if defined(SIGCHLD) || defined(SIGCLD) |
2059 | { | |
2060 | # ifndef SIGCHLD | |
2061 | # define SIGCHLD SIGCLD | |
2062 | # endif | |
2063 | Sighandler_t sigstate = rsignal_state(SIGCHLD); | |
2064 | if (sigstate == (Sighandler_t) SIG_IGN) { | |
2065 | if (ckWARN(WARN_SIGNAL)) | |
2066 | Perl_warner(aTHX_ packWARN(WARN_SIGNAL), | |
2067 | "Can't ignore signal CHLD, forcing to default"); | |
2068 | (void)rsignal(SIGCHLD, (Sighandler_t)SIG_DFL); | |
2069 | } | |
0b5b802d | 2070 | } |
a52eba0e | 2071 | # endif |
64ca3a65 | 2072 | #endif |
0b5b802d | 2073 | |
a52eba0e | 2074 | if (PL_doextract |
bf4acbe4 | 2075 | #ifdef MACOS_TRADITIONAL |
a52eba0e | 2076 | || gMacPerl_AlwaysExtract |
bf4acbe4 | 2077 | #endif |
a52eba0e | 2078 | ) { |
faef540c NC |
2079 | |
2080 | /* This will croak if suidscript is >= 0, as -x cannot be used with | |
2081 | setuid scripts. */ | |
2082 | forbid_setid('x', suidscript); | |
2083 | /* Hence you can't get here if suidscript >= 0 */ | |
2084 | ||
2f9285f8 | 2085 | find_beginning(linestr_sv, rsfp); |
a52eba0e NC |
2086 | if (cddir && PerlDir_chdir( (char *)cddir ) < 0) |
2087 | Perl_croak(aTHX_ "Can't chdir to %s",cddir); | |
2088 | } | |
f4c556ac | 2089 | } |
6224f72b | 2090 | |
b9f83d2f | 2091 | PL_main_cv = PL_compcv = (CV*)newSV_type(SVt_PVCV); |
3280af22 NIS |
2092 | CvUNIQUE_on(PL_compcv); |
2093 | ||
dd2155a4 | 2094 | CvPADLIST(PL_compcv) = pad_new(0); |
6224f72b | 2095 | |
dd69841b BB |
2096 | PL_isarev = newHV(); |
2097 | ||
0c4f7ff0 | 2098 | boot_core_PerlIO(); |
6224f72b | 2099 | boot_core_UNIVERSAL(); |
09bef843 | 2100 | boot_core_xsutils(); |
e1a479c5 | 2101 | boot_core_mro(); |
6224f72b GS |
2102 | |
2103 | if (xsinit) | |
acfe0abc | 2104 | (*xsinit)(aTHX); /* in case linked C routines want magical variables */ |
64ca3a65 | 2105 | #ifndef PERL_MICRO |
d0d72822 | 2106 | #if defined(VMS) || defined(WIN32) || defined(DJGPP) || defined(__CYGWIN__) || defined(EPOC) || defined(SYMBIAN) |
c5be433b | 2107 | init_os_extras(); |
6224f72b | 2108 | #endif |
64ca3a65 | 2109 | #endif |
6224f72b | 2110 | |
29209bc5 | 2111 | #ifdef USE_SOCKS |
1b9c9cf5 DH |
2112 | # ifdef HAS_SOCKS5_INIT |
2113 | socks5_init(argv[0]); | |
2114 | # else | |
29209bc5 | 2115 | SOCKSinit(argv[0]); |
1b9c9cf5 | 2116 | # endif |
ac27b0f5 | 2117 | #endif |
29209bc5 | 2118 | |
6224f72b GS |
2119 | init_predump_symbols(); |
2120 | /* init_postdump_symbols not currently designed to be called */ | |
2121 | /* more than once (ENV isn't cleared first, for example) */ | |
2122 | /* But running with -u leaves %ENV & @ARGV undefined! XXX */ | |
3280af22 | 2123 | if (!PL_do_undump) |
6224f72b GS |
2124 | init_postdump_symbols(argc,argv,env); |
2125 | ||
27da23d5 JH |
2126 | /* PL_unicode is turned on by -C, or by $ENV{PERL_UNICODE}, |
2127 | * or explicitly in some platforms. | |
085a54d9 | 2128 | * locale.c:Perl_init_i18nl10n() if the environment |
a05d7ebb | 2129 | * look like the user wants to use UTF-8. */ |
a0fd4948 | 2130 | #if defined(__SYMBIAN32__) |
27da23d5 JH |
2131 | PL_unicode = PERL_UNICODE_STD_FLAG; /* See PERL_SYMBIAN_CONSOLE_UTF8. */ |
2132 | #endif | |
06e66572 JH |
2133 | if (PL_unicode) { |
2134 | /* Requires init_predump_symbols(). */ | |
a05d7ebb | 2135 | if (!(PL_unicode & PERL_UNICODE_LOCALE_FLAG) || PL_utf8locale) { |
06e66572 JH |
2136 | IO* io; |
2137 | PerlIO* fp; | |
2138 | SV* sv; | |
2139 | ||
a05d7ebb | 2140 | /* Turn on UTF-8-ness on STDIN, STDOUT, STDERR |
06e66572 | 2141 | * and the default open disciplines. */ |
a05d7ebb JH |
2142 | if ((PL_unicode & PERL_UNICODE_STDIN_FLAG) && |
2143 | PL_stdingv && (io = GvIO(PL_stdingv)) && | |
2144 | (fp = IoIFP(io))) | |
2145 | PerlIO_binmode(aTHX_ fp, IoTYPE(io), 0, ":utf8"); | |
2146 | if ((PL_unicode & PERL_UNICODE_STDOUT_FLAG) && | |
2147 | PL_defoutgv && (io = GvIO(PL_defoutgv)) && | |
2148 | (fp = IoOFP(io))) | |
2149 | PerlIO_binmode(aTHX_ fp, IoTYPE(io), 0, ":utf8"); | |
2150 | if ((PL_unicode & PERL_UNICODE_STDERR_FLAG) && | |
2151 | PL_stderrgv && (io = GvIO(PL_stderrgv)) && | |
2152 | (fp = IoOFP(io))) | |
2153 | PerlIO_binmode(aTHX_ fp, IoTYPE(io), 0, ":utf8"); | |
2154 | if ((PL_unicode & PERL_UNICODE_INOUT_FLAG) && | |
fafc274c NC |
2155 | (sv = GvSV(gv_fetchpvs("\017PEN", GV_ADD|GV_NOTQUAL, |
2156 | SVt_PV)))) { | |
a05d7ebb JH |
2157 | U32 in = PL_unicode & PERL_UNICODE_IN_FLAG; |
2158 | U32 out = PL_unicode & PERL_UNICODE_OUT_FLAG; | |
2159 | if (in) { | |
2160 | if (out) | |
2161 | sv_setpvn(sv, ":utf8\0:utf8", 11); | |
2162 | else | |
2163 | sv_setpvn(sv, ":utf8\0", 6); | |
2164 | } | |
2165 | else if (out) | |
2166 | sv_setpvn(sv, "\0:utf8", 6); | |
2167 | SvSETMAGIC(sv); | |
2168 | } | |
b310b053 JH |
2169 | } |
2170 | } | |
2171 | ||
c7030b81 NC |
2172 | { |
2173 | const char *s; | |
4ffa73a3 JH |
2174 | if ((s = PerlEnv_getenv("PERL_SIGNALS"))) { |
2175 | if (strEQ(s, "unsafe")) | |
2176 | PL_signals |= PERL_SIGNALS_UNSAFE_FLAG; | |
2177 | else if (strEQ(s, "safe")) | |
2178 | PL_signals &= ~PERL_SIGNALS_UNSAFE_FLAG; | |
2179 | else | |
2180 | Perl_croak(aTHX_ "PERL_SIGNALS illegal: \"%s\"", s); | |
2181 | } | |
c7030b81 | 2182 | } |
4ffa73a3 | 2183 | |
81d86705 | 2184 | #ifdef PERL_MAD |
c7030b81 NC |
2185 | { |
2186 | const char *s; | |
81d86705 NC |
2187 | if ((s = PerlEnv_getenv("PERL_XMLDUMP"))) { |
2188 | PL_madskills = 1; | |
2189 | PL_minus_c = 1; | |
2190 | if (!s || !s[0]) | |
2191 | PL_xmlfp = PerlIO_stdout(); | |
2192 | else { | |
2193 | PL_xmlfp = PerlIO_open(s, "w"); | |
2194 | if (!PL_xmlfp) | |
2195 | Perl_croak(aTHX_ "Can't open %s", s); | |
2196 | } | |
1a9a51d4 | 2197 | my_setenv("PERL_XMLDUMP", NULL); /* hide from subprocs */ |
81d86705 | 2198 | } |
c7030b81 NC |
2199 | } |
2200 | ||
2201 | { | |
2202 | const char *s; | |
81d86705 NC |
2203 | if ((s = PerlEnv_getenv("PERL_MADSKILLS"))) { |
2204 | PL_madskills = atoi(s); | |
1a9a51d4 | 2205 | my_setenv("PERL_MADSKILLS", NULL); /* hide from subprocs */ |
81d86705 | 2206 | } |
c7030b81 | 2207 | } |
81d86705 NC |
2208 | #endif |
2209 | ||
5486870f | 2210 | lex_start(linestr_sv, rsfp, TRUE); |
219f7226 | 2211 | PL_subname = newSVpvs("main"); |
6224f72b | 2212 | |
5486870f DM |
2213 | if (add_read_e_script) |
2214 | filter_add(read_e_script, NULL); | |
2215 | ||
6224f72b GS |
2216 | /* now parse the script */ |
2217 | ||
93189314 | 2218 | SETERRNO(0,SS_NORMAL); |
bf4acbe4 | 2219 | #ifdef MACOS_TRADITIONAL |
13765c85 | 2220 | if (gMacPerl_SyntaxError = (yyparse() || PL_parser->error_count)) { |
bf4acbe4 GS |
2221 | if (PL_minus_c) |
2222 | Perl_croak(aTHX_ "%s had compilation errors.\n", MacPerl_MPWFileName(PL_origfilename)); | |
2223 | else { | |
2224 | Perl_croak(aTHX_ "Execution of %s aborted due to compilation errors.\n", | |
2225 | MacPerl_MPWFileName(PL_origfilename)); | |
2226 | } | |
2227 | } | |
2228 | #else | |
13765c85 | 2229 | if (yyparse() || PL_parser->error_count) { |
3280af22 | 2230 | if (PL_minus_c) |
cea2e8a9 | 2231 | Perl_croak(aTHX_ "%s had compilation errors.\n", PL_origfilename); |
6224f72b | 2232 | else { |
cea2e8a9 | 2233 | Perl_croak(aTHX_ "Execution of %s aborted due to compilation errors.\n", |
097ee67d | 2234 | PL_origfilename); |
6224f72b GS |
2235 | } |
2236 | } | |
bf4acbe4 | 2237 | #endif |
57843af0 | 2238 | CopLINE_set(PL_curcop, 0); |
3280af22 NIS |
2239 | PL_curstash = PL_defstash; |
2240 | PL_preprocess = FALSE; | |
2241 | if (PL_e_script) { | |
2242 | SvREFCNT_dec(PL_e_script); | |
a0714e2c | 2243 | PL_e_script = NULL; |
6224f72b GS |
2244 | } |
2245 | ||
3280af22 | 2246 | if (PL_do_undump) |
6224f72b GS |
2247 | my_unexec(); |
2248 | ||
57843af0 GS |
2249 | if (isWARN_ONCE) { |
2250 | SAVECOPFILE(PL_curcop); | |
2251 | SAVECOPLINE(PL_curcop); | |
3280af22 | 2252 | gv_check(PL_defstash); |
57843af0 | 2253 | } |
6224f72b GS |
2254 | |
2255 | LEAVE; | |
2256 | FREETMPS; | |
2257 | ||
2258 | #ifdef MYMALLOC | |
f6a607bc RGS |
2259 | { |
2260 | const char *s; | |
6224f72b GS |
2261 | if ((s=PerlEnv_getenv("PERL_DEBUG_MSTATS")) && atoi(s) >= 2) |
2262 | dump_mstats("after compilation:"); | |
f6a607bc | 2263 | } |
6224f72b GS |
2264 | #endif |
2265 | ||
2266 | ENTER; | |
3280af22 | 2267 | PL_restartop = 0; |
312caa8e | 2268 | return NULL; |
6224f72b GS |
2269 | } |
2270 | ||
954c1994 GS |
2271 | /* |
2272 | =for apidoc perl_run | |
2273 | ||
2274 | Tells a Perl interpreter to run. See L<perlembed>. | |
2275 | ||
2276 | =cut | |
2277 | */ | |
2278 | ||
6224f72b | 2279 | int |
0cb96387 | 2280 | perl_run(pTHXx) |
6224f72b | 2281 | { |
97aff369 | 2282 | dVAR; |
6224f72b | 2283 | I32 oldscope; |
14dd3ad8 | 2284 | int ret = 0; |
db36c5a1 | 2285 | dJMPENV; |
6224f72b | 2286 | |
ed6c66dd | 2287 | PERL_UNUSED_ARG(my_perl); |
9d4ba2ae | 2288 | |
3280af22 | 2289 | oldscope = PL_scopestack_ix; |
96e176bf CL |
2290 | #ifdef VMS |
2291 | VMSISH_HUSHED = 0; | |
2292 | #endif | |
6224f72b | 2293 | |
14dd3ad8 | 2294 | JMPENV_PUSH(ret); |
6224f72b GS |
2295 | switch (ret) { |
2296 | case 1: | |
2297 | cxstack_ix = -1; /* start context stack again */ | |
312caa8e | 2298 | goto redo_body; |
14dd3ad8 | 2299 | case 0: /* normal completion */ |
14dd3ad8 GS |
2300 | redo_body: |
2301 | run_body(oldscope); | |
14dd3ad8 GS |
2302 | /* FALL THROUGH */ |
2303 | case 2: /* my_exit() */ | |
3280af22 | 2304 | while (PL_scopestack_ix > oldscope) |
6224f72b GS |
2305 | LEAVE; |
2306 | FREETMPS; | |
3280af22 | 2307 | PL_curstash = PL_defstash; |
3a1ee7e8 | 2308 | if (!(PL_exit_flags & PERL_EXIT_DESTRUCT_END) && |
31d77e54 AB |
2309 | PL_endav && !PL_minus_c) |
2310 | call_list(oldscope, PL_endav); | |
6224f72b GS |
2311 | #ifdef MYMALLOC |
2312 | if (PerlEnv_getenv("PERL_DEBUG_MSTATS")) | |
2313 | dump_mstats("after execution: "); | |
2314 | #endif | |
37038d91 | 2315 | ret = STATUS_EXIT; |
14dd3ad8 | 2316 | break; |
6224f72b | 2317 | case 3: |
312caa8e CS |
2318 | if (PL_restartop) { |
2319 | POPSTACK_TO(PL_mainstack); | |
2320 | goto redo_body; | |
6224f72b | 2321 | } |
bf49b057 | 2322 | PerlIO_printf(Perl_error_log, "panic: restartop\n"); |
312caa8e | 2323 | FREETMPS; |
14dd3ad8 GS |
2324 | ret = 1; |
2325 | break; | |
6224f72b GS |
2326 | } |
2327 | ||
14dd3ad8 GS |
2328 | JMPENV_POP; |
2329 | return ret; | |
312caa8e CS |
2330 | } |
2331 | ||
dd374669 | 2332 | STATIC void |
14dd3ad8 GS |
2333 | S_run_body(pTHX_ I32 oldscope) |
2334 | { | |
97aff369 | 2335 | dVAR; |
6224f72b | 2336 | DEBUG_r(PerlIO_printf(Perl_debug_log, "%s $` $& $' support.\n", |
3280af22 | 2337 | PL_sawampersand ? "Enabling" : "Omitting")); |
6224f72b | 2338 | |
3280af22 | 2339 | if (!PL_restartop) { |
81d86705 NC |
2340 | #ifdef PERL_MAD |
2341 | if (PL_xmlfp) { | |
2342 | xmldump_all(); | |
2343 | exit(0); /* less likely to core dump than my_exit(0) */ | |
2344 | } | |
2345 | #endif | |
6224f72b | 2346 | DEBUG_x(dump_all()); |
cf2782cd | 2347 | #ifdef DEBUGGING |
ecae49c0 NC |
2348 | if (!DEBUG_q_TEST) |
2349 | PERL_DEBUG(PerlIO_printf(Perl_debug_log, "\nEXECUTING...\n\n")); | |
cf2782cd | 2350 | #endif |
b900a521 JH |
2351 | DEBUG_S(PerlIO_printf(Perl_debug_log, "main thread is 0x%"UVxf"\n", |
2352 | PTR2UV(thr))); | |
6224f72b | 2353 | |
3280af22 | 2354 | if (PL_minus_c) { |
bf4acbe4 | 2355 | #ifdef MACOS_TRADITIONAL |
e69a2255 JH |
2356 | PerlIO_printf(Perl_error_log, "%s%s syntax OK\n", |
2357 | (gMacPerl_ErrorFormat ? "# " : ""), | |
2358 | MacPerl_MPWFileName(PL_origfilename)); | |
bf4acbe4 | 2359 | #else |
bf49b057 | 2360 | PerlIO_printf(Perl_error_log, "%s syntax OK\n", PL_origfilename); |
bf4acbe4 | 2361 | #endif |
6224f72b GS |
2362 | my_exit(0); |
2363 | } | |
3280af22 | 2364 | if (PERLDB_SINGLE && PL_DBsingle) |
ac27b0f5 | 2365 | sv_setiv(PL_DBsingle, 1); |
3280af22 NIS |
2366 | if (PL_initav) |
2367 | call_list(oldscope, PL_initav); | |
f1fac472 NC |
2368 | #ifdef PERL_DEBUG_READONLY_OPS |
2369 | Perl_pending_Slabs_to_ro(aTHX); | |
2370 | #endif | |
6224f72b GS |
2371 | } |
2372 | ||
2373 | /* do it */ | |
2374 | ||
3280af22 | 2375 | if (PL_restartop) { |
533c011a | 2376 | PL_op = PL_restartop; |
3280af22 | 2377 | PL_restartop = 0; |
cea2e8a9 | 2378 | CALLRUNOPS(aTHX); |
6224f72b | 2379 | } |
3280af22 NIS |
2380 | else if (PL_main_start) { |
2381 | CvDEPTH(PL_main_cv) = 1; | |
533c011a | 2382 | PL_op = PL_main_start; |
cea2e8a9 | 2383 | CALLRUNOPS(aTHX); |
6224f72b | 2384 | } |
f6b3007c JH |
2385 | my_exit(0); |
2386 | /* NOTREACHED */ | |
6224f72b GS |
2387 | } |
2388 | ||
954c1994 | 2389 | /* |
ccfc67b7 JH |
2390 | =head1 SV Manipulation Functions |
2391 | ||
954c1994 GS |
2392 | =for apidoc p||get_sv |
2393 | ||
2394 | Returns the SV of the specified Perl scalar. If C<create> is set and the | |
2395 | Perl variable does not exist then it will be created. If C<create> is not | |
2396 | set and the variable does not exist then NULL is returned. | |
2397 | ||
2398 | =cut | |
2399 | */ | |
2400 | ||
6224f72b | 2401 | SV* |
864dbfa3 | 2402 | Perl_get_sv(pTHX_ const char *name, I32 create) |
6224f72b GS |
2403 | { |
2404 | GV *gv; | |
6224f72b GS |
2405 | gv = gv_fetchpv(name, create, SVt_PV); |
2406 | if (gv) | |
2407 | return GvSV(gv); | |
a0714e2c | 2408 | return NULL; |
6224f72b GS |
2409 | } |
2410 | ||
954c1994 | 2411 | /* |
ccfc67b7 JH |
2412 | =head1 Array Manipulation Functions |
2413 | ||
954c1994 GS |
2414 | =for apidoc p||get_av |
2415 | ||
2416 | Returns the AV of the specified Perl array. If C<create> is set and the | |
2417 | Perl variable does not exist then it will be created. If C<create> is not | |
2418 | set and the variable does not exist then NULL is returned. | |
2419 | ||
2420 | =cut | |
2421 | */ | |
2422 | ||
6224f72b | 2423 | AV* |
864dbfa3 | 2424 | Perl_get_av(pTHX_ const char *name, I32 create) |
6224f72b | 2425 | { |
c4420975 | 2426 | GV* const gv = gv_fetchpv(name, create, SVt_PVAV); |
6224f72b GS |
2427 | if (create) |
2428 | return GvAVn(gv); | |
2429 | if (gv) | |
2430 | return GvAV(gv); | |
7d49f689 | 2431 | return NULL; |
6224f72b GS |
2432 | } |
2433 | ||
954c1994 | 2434 | /* |
ccfc67b7 JH |
2435 | =head1 Hash Manipulation Functions |
2436 | ||
954c1994 GS |
2437 | =for apidoc p||get_hv |
2438 | ||
2439 | Returns the HV of the specified Perl hash. If C<create> is set and the | |
2440 | Perl variable does not exist then it will be created. If C<create> is not | |
2441 | set and the variable does not exist then NULL is returned. | |
2442 | ||
2443 | =cut | |
2444 | */ | |
2445 | ||
6224f72b | 2446 | HV* |
864dbfa3 | 2447 | Perl_get_hv(pTHX_ const char *name, I32 create) |
6224f72b | 2448 | { |
890ce7af | 2449 | GV* const gv = gv_fetchpv(name, create, SVt_PVHV); |
a0d0e21e LW |
2450 | if (create) |
2451 | return GvHVn(gv); | |
2452 | if (gv) | |
2453 | return GvHV(gv); | |
5c284bb0 | 2454 | return NULL; |
a0d0e21e LW |
2455 | } |
2456 | ||
954c1994 | 2457 | /* |
ccfc67b7 JH |
2458 | =head1 CV Manipulation Functions |
2459 | ||
780a5241 NC |
2460 | =for apidoc p||get_cvn_flags |
2461 | ||
2462 | Returns the CV of the specified Perl subroutine. C<flags> are passed to | |
2463 | C<gv_fetchpvn_flags>. If C<GV_ADD> is set and the Perl subroutine does not | |
2464 | exist then it will be declared (which has the same effect as saying | |
2465 | C<sub name;>). If C<GV_ADD> is not set and the subroutine does not exist | |
2466 | then NULL is returned. | |
2467 | ||
954c1994 GS |
2468 | =for apidoc p||get_cv |
2469 | ||
780a5241 | 2470 | Uses C<strlen> to get the length of C<name>, then calls C<get_cvn_flags>. |
954c1994 GS |
2471 | |
2472 | =cut | |
2473 | */ | |
2474 | ||
a0d0e21e | 2475 | CV* |
780a5241 | 2476 | Perl_get_cvn_flags(pTHX_ const char *name, STRLEN len, I32 flags) |
a0d0e21e | 2477 | { |
780a5241 | 2478 | GV* const gv = gv_fetchpvn_flags(name, len, flags, SVt_PVCV); |
f6ec51f7 GS |
2479 | /* XXX this is probably not what they think they're getting. |
2480 | * It has the same effect as "sub name;", i.e. just a forward | |
2481 | * declaration! */ | |
780a5241 | 2482 | if ((flags & ~GV_NOADD_MASK) && !GvCVu(gv)) { |
740cce10 | 2483 | SV *const sv = newSVpvn_flags(name, len, flags & SVf_UTF8); |
774d564b | 2484 | return newSUB(start_subparse(FALSE, 0), |
780a5241 | 2485 | newSVOP(OP_CONST, 0, sv), |
5f66b61c | 2486 | NULL, NULL); |
780a5241 | 2487 | } |
a0d0e21e | 2488 | if (gv) |
8ebc5c01 | 2489 | return GvCVu(gv); |
601f1833 | 2490 | return NULL; |
a0d0e21e LW |
2491 | } |
2492 | ||
780a5241 NC |
2493 | CV* |
2494 | Perl_get_cv(pTHX_ const char *name, I32 flags) | |
2495 | { | |
2496 | return get_cvn_flags(name, strlen(name), flags); | |
2497 | } | |
2498 | ||
79072805 LW |
2499 | /* Be sure to refetch the stack pointer after calling these routines. */ |
2500 | ||
954c1994 | 2501 | /* |
ccfc67b7 JH |
2502 | |
2503 | =head1 Callback Functions | |
2504 | ||
954c1994 GS |
2505 | =for apidoc p||call_argv |
2506 | ||
2507 | Performs a callback to the specified Perl sub. See L<perlcall>. | |
2508 | ||
2509 | =cut | |
2510 | */ | |
2511 | ||
a0d0e21e | 2512 | I32 |
8f42b153 | 2513 | Perl_call_argv(pTHX_ const char *sub_name, I32 flags, register char **argv) |
ac27b0f5 | 2514 | |
8ac85365 NIS |
2515 | /* See G_* flags in cop.h */ |
2516 | /* null terminated arg list */ | |
8990e307 | 2517 | { |
97aff369 | 2518 | dVAR; |
a0d0e21e | 2519 | dSP; |
8990e307 | 2520 | |
924508f0 | 2521 | PUSHMARK(SP); |
a0d0e21e | 2522 | if (argv) { |
8990e307 | 2523 | while (*argv) { |
6e449a3a | 2524 | mXPUSHs(newSVpv(*argv,0)); |
8990e307 LW |
2525 | argv++; |
2526 | } | |
a0d0e21e | 2527 | PUTBACK; |
8990e307 | 2528 | } |
864dbfa3 | 2529 | return call_pv(sub_name, flags); |
8990e307 LW |
2530 | } |
2531 | ||
954c1994 GS |
2532 | /* |
2533 | =for apidoc p||call_pv | |
2534 | ||
2535 | Performs a callback to the specified Perl sub. See L<perlcall>. | |
2536 | ||
2537 | =cut | |
2538 | */ | |
2539 | ||
a0d0e21e | 2540 | I32 |
864dbfa3 | 2541 | Perl_call_pv(pTHX_ const char *sub_name, I32 flags) |
8ac85365 NIS |
2542 | /* name of the subroutine */ |
2543 | /* See G_* flags in cop.h */ | |
a0d0e21e | 2544 | { |
864dbfa3 | 2545 | return call_sv((SV*)get_cv(sub_name, TRUE), flags); |
a0d0e21e LW |
2546 | } |
2547 | ||
954c1994 GS |
2548 | /* |
2549 | =for apidoc p||call_method | |
2550 | ||
2551 | Performs a callback to the specified Perl method. The blessed object must | |
2552 | be on the stack. See L<perlcall>. | |
2553 | ||
2554 | =cut | |
2555 | */ | |
2556 | ||
a0d0e21e | 2557 | I32 |
864dbfa3 | 2558 | Perl_call_method(pTHX_ const char *methname, I32 flags) |
8ac85365 NIS |
2559 | /* name of the subroutine */ |
2560 | /* See G_* flags in cop.h */ | |
a0d0e21e | 2561 | { |
968b3946 | 2562 | return call_sv(sv_2mortal(newSVpv(methname,0)), flags | G_METHOD); |
a0d0e21e LW |
2563 | } |
2564 | ||
2565 | /* May be called with any of a CV, a GV, or an SV containing the name. */ | |
954c1994 GS |
2566 | /* |
2567 | =for apidoc p||call_sv | |
2568 | ||
2569 | Performs a callback to the Perl sub whose name is in the SV. See | |
2570 | L<perlcall>. | |
2571 | ||
2572 | =cut | |
2573 | */ | |
2574 | ||
a0d0e21e | 2575 | I32 |
864dbfa3 | 2576 | Perl_call_sv(pTHX_ SV *sv, I32 flags) |
8ac85365 | 2577 | /* See G_* flags in cop.h */ |
a0d0e21e | 2578 | { |
27da23d5 | 2579 | dVAR; dSP; |
a0d0e21e | 2580 | LOGOP myop; /* fake syntax tree node */ |
968b3946 | 2581 | UNOP method_op; |
aa689395 | 2582 | I32 oldmark; |
8ea43dc8 | 2583 | VOL I32 retval = 0; |
a0d0e21e | 2584 | I32 oldscope; |
54310121 | 2585 | bool oldcatch = CATCH_GET; |
6224f72b | 2586 | int ret; |
c4420975 | 2587 | OP* const oldop = PL_op; |
db36c5a1 | 2588 | dJMPENV; |
1e422769 | 2589 | |
a0d0e21e LW |
2590 | if (flags & G_DISCARD) { |
2591 | ENTER; | |
2592 | SAVETMPS; | |
2593 | } | |
2594 | ||
aa689395 | 2595 | Zero(&myop, 1, LOGOP); |
5f66b61c | 2596 | myop.op_next = NULL; |
f51d4af5 | 2597 | if (!(flags & G_NOARGS)) |
aa689395 | 2598 | myop.op_flags |= OPf_STACKED; |
54310121 | 2599 | myop.op_flags |= ((flags & G_VOID) ? OPf_WANT_VOID : |
2600 | (flags & G_ARRAY) ? OPf_WANT_LIST : | |
2601 | OPf_WANT_SCALAR); | |
462e5cf6 | 2602 | SAVEOP(); |
533c011a | 2603 | PL_op = (OP*)&myop; |
aa689395 | 2604 | |
3280af22 NIS |
2605 | EXTEND(PL_stack_sp, 1); |
2606 | *++PL_stack_sp = sv; | |
aa689395 | 2607 | oldmark = TOPMARK; |
3280af22 | 2608 | oldscope = PL_scopestack_ix; |
a0d0e21e | 2609 | |
3280af22 | 2610 | if (PERLDB_SUB && PL_curstash != PL_debstash |
36477c24 | 2611 | /* Handle first BEGIN of -d. */ |
3280af22 | 2612 | && (PL_DBcv || (PL_DBcv = GvCV(PL_DBsub))) |
36477c24 | 2613 | /* Try harder, since this may have been a sighandler, thus |
2614 | * curstash may be meaningless. */ | |
3280af22 | 2615 | && (SvTYPE(sv) != SVt_PVCV || CvSTASH((CV*)sv) != PL_debstash) |
491527d0 | 2616 | && !(flags & G_NODEBUG)) |
533c011a | 2617 | PL_op->op_private |= OPpENTERSUB_DB; |
a0d0e21e | 2618 | |
968b3946 GS |
2619 | if (flags & G_METHOD) { |
2620 | Zero(&method_op, 1, UNOP); | |
2621 | method_op.op_next = PL_op; | |
2622 | method_op.op_ppaddr = PL_ppaddr[OP_METHOD]; | |
2623 | myop.op_ppaddr = PL_ppaddr[OP_ENTERSUB]; | |
f39d0b86 | 2624 | PL_op = (OP*)&method_op; |
968b3946 GS |
2625 | } |
2626 | ||
312caa8e | 2627 | if (!(flags & G_EVAL)) { |
0cdb2077 | 2628 | CATCH_SET(TRUE); |
d6f07c05 | 2629 | CALL_BODY_SUB((OP*)&myop); |
312caa8e | 2630 | retval = PL_stack_sp - (PL_stack_base + oldmark); |
0253cb41 | 2631 | CATCH_SET(oldcatch); |
312caa8e CS |
2632 | } |
2633 | else { | |
d78bda3d | 2634 | myop.op_other = (OP*)&myop; |
3280af22 | 2635 | PL_markstack_ptr--; |
edb2152a | 2636 | create_eval_scope(flags|G_FAKINGEVAL); |
3280af22 | 2637 | PL_markstack_ptr++; |
a0d0e21e | 2638 | |
14dd3ad8 | 2639 | JMPENV_PUSH(ret); |
edb2152a | 2640 | |
6224f72b GS |
2641 | switch (ret) { |
2642 | case 0: | |
14dd3ad8 | 2643 | redo_body: |
d6f07c05 | 2644 | CALL_BODY_SUB((OP*)&myop); |
312caa8e CS |
2645 | retval = PL_stack_sp - (PL_stack_base + oldmark); |
2646 | if (!(flags & G_KEEPERR)) | |
c69006e4 | 2647 | sv_setpvn(ERRSV,"",0); |
a0d0e21e | 2648 | break; |
6224f72b | 2649 | case 1: |
f86702cc | 2650 | STATUS_ALL_FAILURE; |
a0d0e21e | 2651 | /* FALL THROUGH */ |
6224f72b | 2652 | case 2: |
a0d0e21e | 2653 | /* my_exit() was called */ |
3280af22 | 2654 | PL_curstash = PL_defstash; |
a0d0e21e | 2655 | FREETMPS; |
14dd3ad8 | 2656 | JMPENV_POP; |
cc3604b1 | 2657 | if (PL_statusvalue && !(PL_exit_flags & PERL_EXIT_EXPECTED)) |
cea2e8a9 | 2658 | Perl_croak(aTHX_ "Callback called exit"); |
f86702cc | 2659 | my_exit_jump(); |
a0d0e21e | 2660 | /* NOTREACHED */ |
6224f72b | 2661 | case 3: |
3280af22 | 2662 | if (PL_restartop) { |
533c011a | 2663 | PL_op = PL_restartop; |
3280af22 | 2664 | PL_restartop = 0; |
312caa8e | 2665 | goto redo_body; |
a0d0e21e | 2666 | } |
3280af22 | 2667 | PL_stack_sp = PL_stack_base + oldmark; |
a0d0e21e LW |
2668 | if (flags & G_ARRAY) |
2669 | retval = 0; | |
2670 | else { | |
2671 | retval = 1; | |
3280af22 | 2672 | *++PL_stack_sp = &PL_sv_undef; |
a0d0e21e | 2673 | } |
312caa8e | 2674 | break; |
a0d0e21e | 2675 | } |
a0d0e21e | 2676 | |
edb2152a NC |
2677 | if (PL_scopestack_ix > oldscope) |
2678 | delete_eval_scope(); | |
14dd3ad8 | 2679 | JMPENV_POP; |
a0d0e21e | 2680 | } |
1e422769 | 2681 | |
a0d0e21e | 2682 | if (flags & G_DISCARD) { |
3280af22 | 2683 | PL_stack_sp = PL_stack_base + oldmark; |
a0d0e21e LW |
2684 | retval = 0; |
2685 | FREETMPS; | |
2686 | LEAVE; | |
2687 | } | |
533c011a | 2688 | PL_op = oldop; |
a0d0e21e LW |
2689 | return retval; |
2690 | } | |
2691 | ||
6e72f9df | 2692 | /* Eval a string. The G_EVAL flag is always assumed. */ |
8990e307 | 2693 | |
954c1994 GS |
2694 | /* |
2695 | =for apidoc p||eval_sv | |
2696 | ||
2697 | Tells Perl to C<eval> the string in the SV. | |
2698 | ||
2699 | =cut | |
2700 | */ | |
2701 | ||
a0d0e21e | 2702 | I32 |
864dbfa3 | 2703 | Perl_eval_sv(pTHX_ SV *sv, I32 flags) |
ac27b0f5 | 2704 | |
8ac85365 | 2705 | /* See G_* flags in cop.h */ |
a0d0e21e | 2706 | { |
97aff369 | 2707 | dVAR; |
924508f0 | 2708 | dSP; |
a0d0e21e | 2709 | UNOP myop; /* fake syntax tree node */ |
8ea43dc8 SP |
2710 | VOL I32 oldmark = SP - PL_stack_base; |
2711 | VOL I32 retval = 0; | |
6224f72b | 2712 | int ret; |
c4420975 | 2713 | OP* const oldop = PL_op; |
db36c5a1 | 2714 | dJMPENV; |
84902520 | 2715 | |
4633a7c4 LW |
2716 | if (flags & G_DISCARD) { |
2717 | ENTER; | |
2718 | SAVETMPS; | |
2719 | } | |
2720 | ||
462e5cf6 | 2721 | SAVEOP(); |
533c011a NIS |
2722 | PL_op = (OP*)&myop; |
2723 | Zero(PL_op, 1, UNOP); | |
3280af22 NIS |
2724 | EXTEND(PL_stack_sp, 1); |
2725 | *++PL_stack_sp = sv; | |
79072805 | 2726 | |
4633a7c4 LW |
2727 | if (!(flags & G_NOARGS)) |
2728 | myop.op_flags = OPf_STACKED; | |
5f66b61c | 2729 | myop.op_next = NULL; |
6e72f9df | 2730 | myop.op_type = OP_ENTEREVAL; |
54310121 | 2731 | myop.op_flags |= ((flags & G_VOID) ? OPf_WANT_VOID : |
2732 | (flags & G_ARRAY) ? OPf_WANT_LIST : | |
2733 | OPf_WANT_SCALAR); | |
6e72f9df | 2734 | if (flags & G_KEEPERR) |
2735 | myop.op_flags |= OPf_SPECIAL; | |
4633a7c4 | 2736 | |
dedbcade DM |
2737 | /* fail now; otherwise we could fail after the JMPENV_PUSH but |
2738 | * before a PUSHEVAL, which corrupts the stack after a croak */ | |
2739 | TAINT_PROPER("eval_sv()"); | |
2740 | ||
14dd3ad8 | 2741 | JMPENV_PUSH(ret); |
6224f72b GS |
2742 | switch (ret) { |
2743 | case 0: | |
14dd3ad8 | 2744 | redo_body: |
d6f07c05 | 2745 | CALL_BODY_EVAL((OP*)&myop); |
312caa8e CS |
2746 | retval = PL_stack_sp - (PL_stack_base + oldmark); |
2747 | if (!(flags & G_KEEPERR)) | |
c69006e4 | 2748 | sv_setpvn(ERRSV,"",0); |
4633a7c4 | 2749 | break; |
6224f72b | 2750 | case 1: |
f86702cc | 2751 | STATUS_ALL_FAILURE; |
4633a7c4 | 2752 | /* FALL THROUGH */ |
6224f72b | 2753 | case 2: |
4633a7c4 | 2754 | /* my_exit() was called */ |
3280af22 | 2755 | PL_curstash = PL_defstash; |
4633a7c4 | 2756 | FREETMPS; |
14dd3ad8 | 2757 | JMPENV_POP; |
cc3604b1 | 2758 | if (PL_statusvalue && !(PL_exit_flags & PERL_EXIT_EXPECTED)) |
cea2e8a9 | 2759 | Perl_croak(aTHX_ "Callback called exit"); |
f86702cc | 2760 | my_exit_jump(); |
4633a7c4 | 2761 | /* NOTREACHED */ |
6224f72b | 2762 | case 3: |
3280af22 | 2763 | if (PL_restartop) { |
533c011a | 2764 | PL_op = PL_restartop; |
3280af22 | 2765 | PL_restartop = 0; |
312caa8e | 2766 | goto redo_body; |
4633a7c4 | 2767 | } |
3280af22 | 2768 | PL_stack_sp = PL_stack_base + oldmark; |
4633a7c4 LW |
2769 | if (flags & G_ARRAY) |
2770 | retval = 0; | |
2771 | else { | |
2772 | retval = 1; | |
3280af22 | 2773 | *++PL_stack_sp = &PL_sv_undef; |
4633a7c4 | 2774 | } |
312caa8e | 2775 | break; |
4633a7c4 LW |
2776 | } |
2777 | ||
14dd3ad8 | 2778 | JMPENV_POP; |
4633a7c4 | 2779 | if (flags & G_DISCARD) { |
3280af22 | 2780 | PL_stack_sp = PL_stack_base + oldmark; |
4633a7c4 LW |
2781 | retval = 0; |
2782 | FREETMPS; | |
2783 | LEAVE; | |
2784 | } | |
533c011a | 2785 | PL_op = oldop; |
4633a7c4 LW |
2786 | return retval; |
2787 | } | |
2788 | ||
954c1994 GS |
2789 | /* |
2790 | =for apidoc p||eval_pv | |
2791 | ||
2792 | Tells Perl to C<eval> the given string and return an SV* result. | |
2793 | ||
2794 | =cut | |
2795 | */ | |
2796 | ||
137443ea | 2797 | SV* |
864dbfa3 | 2798 | Perl_eval_pv(pTHX_ const char *p, I32 croak_on_error) |
137443ea | 2799 | { |
97aff369 | 2800 | dVAR; |
137443ea | 2801 | dSP; |
2802 | SV* sv = newSVpv(p, 0); | |
2803 | ||
864dbfa3 | 2804 | eval_sv(sv, G_SCALAR); |
137443ea | 2805 | SvREFCNT_dec(sv); |
2806 | ||
2807 | SPAGAIN; | |
2808 | sv = POPs; | |
2809 | PUTBACK; | |
2810 | ||
2d8e6c8d | 2811 | if (croak_on_error && SvTRUE(ERRSV)) { |
0510663f | 2812 | Perl_croak(aTHX_ SvPVx_nolen_const(ERRSV)); |
2d8e6c8d | 2813 | } |
137443ea | 2814 | |
2815 | return sv; | |
2816 | } | |
2817 | ||
4633a7c4 LW |
2818 | /* Require a module. */ |
2819 | ||
954c1994 | 2820 | /* |
ccfc67b7 JH |
2821 | =head1 Embedding Functions |
2822 | ||
954c1994 GS |
2823 | =for apidoc p||require_pv |
2824 | ||
7d3fb230 BS |
2825 | Tells Perl to C<require> the file named by the string argument. It is |
2826 | analogous to the Perl code C<eval "require '$file'">. It's even | |
2307c6d0 | 2827 | implemented that way; consider using load_module instead. |
954c1994 | 2828 | |
7d3fb230 | 2829 | =cut */ |
954c1994 | 2830 | |
4633a7c4 | 2831 | void |
864dbfa3 | 2832 | Perl_require_pv(pTHX_ const char *pv) |
4633a7c4 | 2833 | { |
97aff369 | 2834 | dVAR; |
d3acc0f7 | 2835 | dSP; |
97aff369 | 2836 | SV* sv; |
e788e7d3 | 2837 | PUSHSTACKi(PERLSI_REQUIRE); |
d3acc0f7 | 2838 | PUTBACK; |
be41e5d9 NC |
2839 | sv = Perl_newSVpvf(aTHX_ "require q%c%s%c", 0, pv, 0); |
2840 | eval_sv(sv_2mortal(sv), G_DISCARD); | |
d3acc0f7 JP |
2841 | SPAGAIN; |
2842 | POPSTACK; | |
79072805 LW |
2843 | } |
2844 | ||
79072805 | 2845 | void |
e1ec3a88 | 2846 | Perl_magicname(pTHX_ const char *sym, const char *name, I32 namlen) |
79072805 | 2847 | { |
71315bf2 | 2848 | register GV * const gv = gv_fetchpv(sym, GV_ADD, SVt_PV); |
79072805 | 2849 | |
c4420975 | 2850 | if (gv) |
14befaf4 | 2851 | sv_magic(GvSV(gv), (SV*)gv, PERL_MAGIC_sv, name, namlen); |
79072805 LW |
2852 | } |
2853 | ||
76e3520e | 2854 | STATIC void |
e1ec3a88 | 2855 | S_usage(pTHX_ const char *name) /* XXX move this out into a module ? */ |
4633a7c4 | 2856 | { |
ab821d7f | 2857 | /* This message really ought to be max 23 lines. |
75c72d73 | 2858 | * Removed -h because the user already knows that option. Others? */ |
fb73857a | 2859 | |
27da23d5 | 2860 | static const char * const usage_msg[] = { |
aefc56c5 | 2861 | "-0[octal] specify record separator (\\0, if no argument)", |
aefc56c5 SF |
2862 | "-a autosplit mode with -n or -p (splits $_ into @F)", |
2863 | "-C[number/list] enables the listed Unicode features", | |
2864 | "-c check syntax only (runs BEGIN and CHECK blocks)", | |
2865 | "-d[:debugger] run program under debugger", | |
2866 | "-D[number/list] set debugging flags (argument is a bit mask or alphabets)", | |
2867 | "-e program one line of program (several -e's allowed, omit programfile)", | |
bc9b29db | 2868 | "-E program like -e, but enables all optional features", |
aefc56c5 | 2869 | "-f don't do $sitelib/sitecustomize.pl at startup", |
aefc56c5 SF |
2870 | "-F/pattern/ split() pattern for -a switch (//'s are optional)", |
2871 | "-i[extension] edit <> files in place (makes backup if extension supplied)", | |
2872 | "-Idirectory specify @INC/#include directory (several -I's allowed)", | |
2873 | "-l[octal] enable line ending processing, specifies line terminator", | |
2874 | "-[mM][-]module execute \"use/no module...\" before executing program", | |
2875 | "-n assume \"while (<>) { ... }\" loop around program", | |
2876 | "-p assume loop like -n but print line also, like sed", | |
2877 | "-P run program through C preprocessor before compilation", | |
2878 | "-s enable rudimentary parsing for switches after programfile", | |
2879 | "-S look for programfile using PATH environment variable", | |
2880 | "-t enable tainting warnings", | |
2881 | "-T enable tainting checks", | |
2882 | "-u dump core after parsing program", | |
2883 | "-U allow unsafe operations", | |
2884 | "-v print version, subversion (includes VERY IMPORTANT perl info)", | |
2885 | "-V[:variable] print configuration summary (or a single Config.pm variable)", | |
2886 | "-w enable many useful warnings (RECOMMENDED)", | |
2887 | "-W enable all warnings", | |
2888 | "-x[directory] strip off text before #!perl line and perhaps cd to directory", | |
2889 | "-X disable all warnings", | |
fb73857a | 2890 | "\n", |
2891 | NULL | |
2892 | }; | |
27da23d5 | 2893 | const char * const *p = usage_msg; |
fb73857a | 2894 | |
b0e47665 GS |
2895 | PerlIO_printf(PerlIO_stdout(), |
2896 | "\nUsage: %s [switches] [--] [programfile] [arguments]", | |
2897 | name); | |
fb73857a | 2898 | while (*p) |
b0e47665 | 2899 | PerlIO_printf(PerlIO_stdout(), "\n %s", *p++); |
4633a7c4 LW |
2900 | } |
2901 | ||
b4ab917c DM |
2902 | /* convert a string of -D options (or digits) into an int. |
2903 | * sets *s to point to the char after the options */ | |
2904 | ||
2905 | #ifdef DEBUGGING | |
2906 | int | |
e1ec3a88 | 2907 | Perl_get_debug_opts(pTHX_ const char **s, bool givehelp) |
b4ab917c | 2908 | { |
27da23d5 | 2909 | static const char * const usage_msgd[] = { |
e6e64d9b JC |
2910 | " Debugging flag values: (see also -d)", |
2911 | " p Tokenizing and parsing (with v, displays parse stack)", | |
3679267a | 2912 | " s Stack snapshots (with v, displays all stacks)", |
e6e64d9b JC |
2913 | " l Context (loop) stack processing", |
2914 | " t Trace execution", | |
2915 | " o Method and overloading resolution", | |
2916 | " c String/numeric conversions", | |
2917 | " P Print profiling info, preprocessor command for -P, source file input state", | |
2918 | " m Memory allocation", | |
2919 | " f Format processing", | |
2920 | " r Regular expression parsing and execution", | |
2921 | " x Syntax tree dump", | |
3679267a | 2922 | " u Tainting checks", |
e6e64d9b JC |
2923 | " H Hash dump -- usurps values()", |
2924 | " X Scratchpad allocation", | |
2925 | " D Cleaning up", | |
2926 | " S Thread synchronization", | |
2927 | " T Tokenising", | |
2928 | " R Include reference counts of dumped variables (eg when using -Ds)", | |
2929 | " J Do not s,t,P-debug (Jump over) opcodes within package DB", | |
2930 | " v Verbose: use in conjunction with other flags", | |
2931 | " C Copy On Write", | |
2932 | " A Consistency checks on internal structures", | |
3679267a | 2933 | " q quiet - currently only suppresses the 'EXECUTING' message", |
e6e64d9b JC |
2934 | NULL |
2935 | }; | |
b4ab917c DM |
2936 | int i = 0; |
2937 | if (isALPHA(**s)) { | |
2938 | /* if adding extra options, remember to update DEBUG_MASK */ | |
88d2d28a | 2939 | static const char debopts[] = "psltocPmfrxuUHXDSTRJvCAq"; |
b4ab917c DM |
2940 | |
2941 | for (; isALNUM(**s); (*s)++) { | |
c4420975 | 2942 | const char * const d = strchr(debopts,**s); |
b4ab917c DM |
2943 | if (d) |
2944 | i |= 1 << (d - debopts); | |
2945 | else if (ckWARN_d(WARN_DEBUGGING)) | |
e6e64d9b JC |
2946 | Perl_warner(aTHX_ packWARN(WARN_DEBUGGING), |
2947 | "invalid option -D%c, use -D'' to see choices\n", **s); | |
b4ab917c DM |
2948 | } |
2949 | } | |
e6e64d9b | 2950 | else if (isDIGIT(**s)) { |
b4ab917c DM |
2951 | i = atoi(*s); |
2952 | for (; isALNUM(**s); (*s)++) ; | |
2953 | } | |
ddcf8bc1 | 2954 | else if (givehelp) { |
06e869a4 | 2955 | const char *const *p = usage_msgd; |
e6e64d9b JC |
2956 | while (*p) PerlIO_printf(PerlIO_stdout(), "%s\n", *p++); |
2957 | } | |
b4ab917c DM |
2958 | # ifdef EBCDIC |
2959 | if ((i & DEBUG_p_FLAG) && ckWARN_d(WARN_DEBUGGING)) | |
2960 | Perl_warner(aTHX_ packWARN(WARN_DEBUGGING), | |
2961 | "-Dp not implemented on this platform\n"); | |
2962 | # endif | |
2963 | return i; | |
2964 | } | |
2965 | #endif | |
2966 | ||
79072805 LW |
2967 | /* This routine handles any switches that can be given during run */ |
2968 | ||
c7030b81 NC |
2969 | const char * |
2970 | Perl_moreswitches(pTHX_ const char *s) | |
79072805 | 2971 | { |
27da23d5 | 2972 | dVAR; |
84c133a0 | 2973 | UV rschar; |
79072805 LW |
2974 | |
2975 | switch (*s) { | |
2976 | case '0': | |
a863c7d1 | 2977 | { |
f2095865 | 2978 | I32 flags = 0; |
a3b680e6 | 2979 | STRLEN numlen; |
f2095865 JH |
2980 | |
2981 | SvREFCNT_dec(PL_rs); | |
2982 | if (s[1] == 'x' && s[2]) { | |
a3b680e6 | 2983 | const char *e = s+=2; |
f2095865 JH |
2984 | U8 *tmps; |
2985 | ||
a3b680e6 AL |
2986 | while (*e) |
2987 | e++; | |
f2095865 JH |
2988 | numlen = e - s; |
2989 | flags = PERL_SCAN_SILENT_ILLDIGIT; | |
2990 | rschar = (U32)grok_hex(s, &numlen, &flags, NULL); | |
2991 | if (s + numlen < e) { | |
2992 | rschar = 0; /* Grandfather -0xFOO as -0 -xFOO. */ | |
2993 | numlen = 0; | |
2994 | s--; | |
2995 | } | |
396482e1 | 2996 | PL_rs = newSVpvs(""); |
c5661c80 | 2997 | SvGROW(PL_rs, (STRLEN)(UNISKIP(rschar) + 1)); |
f2095865 JH |
2998 | tmps = (U8*)SvPVX(PL_rs); |
2999 | uvchr_to_utf8(tmps, rschar); | |
3000 | SvCUR_set(PL_rs, UNISKIP(rschar)); | |
3001 | SvUTF8_on(PL_rs); | |
3002 | } | |
3003 | else { | |
3004 | numlen = 4; | |
3005 | rschar = (U32)grok_oct(s, &numlen, &flags, NULL); | |
3006 | if (rschar & ~((U8)~0)) | |
3007 | PL_rs = &PL_sv_undef; | |
3008 | else if (!rschar && numlen >= 2) | |
396482e1 | 3009 | PL_rs = newSVpvs(""); |
f2095865 JH |
3010 | else { |
3011 | char ch = (char)rschar; | |
3012 | PL_rs = newSVpvn(&ch, 1); | |
3013 | } | |
3014 | } | |
800633c3 | 3015 | sv_setsv(get_sv("/", TRUE), PL_rs); |
f2095865 | 3016 | return s + numlen; |
a863c7d1 | 3017 | } |
46487f74 | 3018 | case 'C': |
a05d7ebb | 3019 | s++; |
dd374669 | 3020 | PL_unicode = parse_unicode_opts( (const char **)&s ); |
5a22a2bb NC |
3021 | if (PL_unicode & PERL_UNICODE_UTF8CACHEASSERT_FLAG) |
3022 | PL_utf8cache = -1; | |
46487f74 | 3023 | return s; |
2304df62 | 3024 | case 'F': |
3280af22 | 3025 | PL_minus_F = TRUE; |
ebce5377 RGS |
3026 | PL_splitstr = ++s; |
3027 | while (*s && !isSPACE(*s)) ++s; | |
e49e380e | 3028 | PL_splitstr = savepvn(PL_splitstr, s - PL_splitstr); |
2304df62 | 3029 | return s; |
79072805 | 3030 | case 'a': |
3280af22 | 3031 | PL_minus_a = TRUE; |
79072805 LW |
3032 | s++; |
3033 | return s; | |
3034 | case 'c': | |
3280af22 | 3035 | PL_minus_c = TRUE; |
79072805 LW |
3036 | s++; |
3037 | return s; | |
3038 | case 'd': | |
97bd5664 | 3039 | forbid_setid('d', -1); |
4633a7c4 | 3040 | s++; |
2cbb2ee1 RGS |
3041 | |
3042 | /* -dt indicates to the debugger that threads will be used */ | |
3043 | if (*s == 't' && !isALNUM(s[1])) { | |
3044 | ++s; | |
3045 | my_setenv("PERL5DB_THREADED", "1"); | |
3046 | } | |
3047 | ||
70c94a19 RR |
3048 | /* The following permits -d:Mod to accepts arguments following an = |
3049 | in the fashion that -MSome::Mod does. */ | |
3050 | if (*s == ':' || *s == '=') { | |
f85893a1 NC |
3051 | const char *start = ++s; |
3052 | const char *const end = s + strlen(s); | |
396482e1 | 3053 | SV * const sv = newSVpvs("use Devel::"); |
f85893a1 | 3054 | |
70c94a19 RR |
3055 | /* We now allow -d:Module=Foo,Bar */ |
3056 | while(isALNUM(*s) || *s==':') ++s; | |
3057 | if (*s != '=') | |
f85893a1 | 3058 | sv_catpvn(sv, start, end - start); |
70c94a19 RR |
3059 | else { |
3060 | sv_catpvn(sv, start, s-start); | |
95a2b409 RGS |
3061 | /* Don't use NUL as q// delimiter here, this string goes in the |
3062 | * environment. */ | |
3063 | Perl_sv_catpvf(aTHX_ sv, " split(/,/,q{%s});", ++s); | |
70c94a19 | 3064 | } |
f85893a1 | 3065 | s = end; |
184f32ec | 3066 | my_setenv("PERL5DB", SvPV_nolen_const(sv)); |
c4db126b | 3067 | SvREFCNT_dec(sv); |
4633a7c4 | 3068 | } |
ed094faf | 3069 | if (!PL_perldb) { |
3280af22 | 3070 | PL_perldb = PERLDB_ALL; |
a0d0e21e | 3071 | init_debugger(); |
ed094faf | 3072 | } |
79072805 LW |
3073 | return s; |
3074 | case 'D': | |
0453d815 | 3075 | { |
79072805 | 3076 | #ifdef DEBUGGING |
97bd5664 | 3077 | forbid_setid('D', -1); |
b4ab917c | 3078 | s++; |
dd374669 | 3079 | PL_debug = get_debug_opts( (const char **)&s, 1) | DEBUG_TOP_FLAG; |
12a43e32 | 3080 | #else /* !DEBUGGING */ |
0453d815 | 3081 | if (ckWARN_d(WARN_DEBUGGING)) |
9014280d | 3082 | Perl_warner(aTHX_ packWARN(WARN_DEBUGGING), |
e6e64d9b | 3083 | "Recompile perl with -DDEBUGGING to use -D switch (did you mean -d ?)\n"); |
a0d0e21e | 3084 | for (s++; isALNUM(*s); s++) ; |
79072805 | 3085 | #endif |
79072805 | 3086 | return s; |
0453d815 | 3087 | } |
4633a7c4 | 3088 | case 'h': |
ac27b0f5 | 3089 | usage(PL_origargv[0]); |
7ca617d0 | 3090 | my_exit(0); |
79072805 | 3091 | case 'i': |
43c5f42d | 3092 | Safefree(PL_inplace); |
c030f24b GH |
3093 | #if defined(__CYGWIN__) /* do backup extension automagically */ |
3094 | if (*(s+1) == '\0') { | |
c86a4f2e | 3095 | PL_inplace = savepvs(".bak"); |
c030f24b GH |
3096 | return s+1; |
3097 | } | |
3098 | #endif /* __CYGWIN__ */ | |
5ef5d758 | 3099 | { |
d4c19fe8 | 3100 | const char * const start = ++s; |
5ef5d758 NC |
3101 | while (*s && !isSPACE(*s)) |
3102 | ++s; | |
3103 | ||
3104 | PL_inplace = savepvn(start, s - start); | |
3105 | } | |
7b8d334a | 3106 | if (*s) { |
5ef5d758 | 3107 | ++s; |
7b8d334a | 3108 | if (*s == '-') /* Additional switches on #! line. */ |
5ef5d758 | 3109 | s++; |
7b8d334a | 3110 | } |
fb73857a | 3111 | return s; |
4e49a025 | 3112 | case 'I': /* -I handled both here and in parse_body() */ |
97bd5664 | 3113 | forbid_setid('I', -1); |
fb73857a | 3114 | ++s; |
3115 | while (*s && isSPACE(*s)) | |
3116 | ++s; | |
3117 | if (*s) { | |
c7030b81 | 3118 | const char *e, *p; |
0df16ed7 GS |
3119 | p = s; |
3120 | /* ignore trailing spaces (possibly followed by other switches) */ | |
3121 | do { | |
3122 | for (e = p; *e && !isSPACE(*e); e++) ; | |
3123 | p = e; | |
3124 | while (isSPACE(*p)) | |
3125 | p++; | |
3126 | } while (*p && *p != '-'); | |
3127 | e = savepvn(s, e-s); | |
88fe16b2 | 3128 | incpush(e, TRUE, TRUE, FALSE, FALSE); |
0df16ed7 GS |
3129 | Safefree(e); |
3130 | s = p; | |
3131 | if (*s == '-') | |
3132 | s++; | |
79072805 LW |
3133 | } |
3134 | else | |
a67e862a | 3135 | Perl_croak(aTHX_ "No directory specified for -I"); |
fb73857a | 3136 | return s; |
79072805 | 3137 | case 'l': |
3280af22 | 3138 | PL_minus_l = TRUE; |
79072805 | 3139 | s++; |
7889fe52 NIS |
3140 | if (PL_ors_sv) { |
3141 | SvREFCNT_dec(PL_ors_sv); | |
a0714e2c | 3142 | PL_ors_sv = NULL; |
7889fe52 | 3143 | } |
79072805 | 3144 | if (isDIGIT(*s)) { |
53305cf1 | 3145 | I32 flags = 0; |
a3b680e6 | 3146 | STRLEN numlen; |
396482e1 | 3147 | PL_ors_sv = newSVpvs("\n"); |
53305cf1 NC |
3148 | numlen = 3 + (*s == '0'); |
3149 | *SvPVX(PL_ors_sv) = (char)grok_oct(s, &numlen, &flags, NULL); | |
79072805 LW |
3150 | s += numlen; |
3151 | } | |
3152 | else { | |
8bfdd7d9 | 3153 | if (RsPARA(PL_rs)) { |
396482e1 | 3154 | PL_ors_sv = newSVpvs("\n\n"); |
7889fe52 NIS |
3155 | } |
3156 | else { | |
8bfdd7d9 | 3157 | PL_ors_sv = newSVsv(PL_rs); |
c07a80fd | 3158 | } |
79072805 LW |
3159 | } |
3160 | return s; | |
1a30305b | 3161 | case 'M': |
97bd5664 | 3162 | forbid_setid('M', -1); /* XXX ? */ |
1a30305b | 3163 | /* FALL THROUGH */ |
3164 | case 'm': | |
97bd5664 | 3165 | forbid_setid('m', -1); /* XXX ? */ |
1a30305b | 3166 | if (*++s) { |
c7030b81 | 3167 | const char *start; |
b64cb68c | 3168 | const char *end; |
11343788 | 3169 | SV *sv; |
e1ec3a88 | 3170 | const char *use = "use "; |
a5f75d66 | 3171 | /* -M-foo == 'no foo' */ |
d0043bd1 NC |
3172 | /* Leading space on " no " is deliberate, to make both |
3173 | possibilities the same length. */ | |
3174 | if (*s == '-') { use = " no "; ++s; } | |
3175 | sv = newSVpvn(use,4); | |
a5f75d66 | 3176 | start = s; |
1a30305b | 3177 | /* We allow -M'Module qw(Foo Bar)' */ |
c07a80fd | 3178 | while(isALNUM(*s) || *s==':') ++s; |
b64cb68c | 3179 | end = s + strlen(s); |
c07a80fd | 3180 | if (*s != '=') { |
b64cb68c | 3181 | sv_catpvn(sv, start, end - start); |
c07a80fd | 3182 | if (*(start-1) == 'm') { |
3183 | if (*s != '\0') | |
cea2e8a9 | 3184 | Perl_croak(aTHX_ "Can't use '%c' after -mname", *s); |
396482e1 | 3185 | sv_catpvs( sv, " ()"); |
c07a80fd | 3186 | } |
3187 | } else { | |
6df41af2 | 3188 | if (s == start) |
be98fb35 GS |
3189 | Perl_croak(aTHX_ "Module name required with -%c option", |
3190 | s[-1]); | |
11343788 | 3191 | sv_catpvn(sv, start, s-start); |
b64cb68c NC |
3192 | /* Use NUL as q''-delimiter. */ |
3193 | sv_catpvs(sv, " split(/,/,q\0"); | |
3194 | ++s; | |
3195 | sv_catpvn(sv, s, end - s); | |
396482e1 | 3196 | sv_catpvs(sv, "\0)"); |
c07a80fd | 3197 | } |
b64cb68c | 3198 | s = end; |
29a861e7 | 3199 | Perl_av_create_and_push(aTHX_ &PL_preambleav, sv); |
1a30305b | 3200 | } |
3201 | else | |
9e81e6a1 | 3202 | Perl_croak(aTHX_ "Missing argument to -%c", *(s-1)); |
1a30305b | 3203 | return s; |
79072805 | 3204 | case 'n': |
3280af22 | 3205 | PL_minus_n = TRUE; |
79072805 LW |
3206 | s++; |
3207 | return s; | |
3208 | case 'p': | |
3280af22 | 3209 | PL_minus_p = TRUE; |
79072805 LW |
3210 | s++; |
3211 | return s; | |
3212 | case 's': | |
97bd5664 | 3213 | forbid_setid('s', -1); |
3280af22 | 3214 | PL_doswitches = TRUE; |
79072805 LW |
3215 | s++; |
3216 | return s; | |
6537fe72 MS |
3217 | case 't': |
3218 | if (!PL_tainting) | |
22f7c9c9 | 3219 | TOO_LATE_FOR('t'); |
6537fe72 MS |
3220 | s++; |
3221 | return s; | |
463ee0b2 | 3222 | case 'T': |
3280af22 | 3223 | if (!PL_tainting) |
22f7c9c9 | 3224 | TOO_LATE_FOR('T'); |
463ee0b2 LW |
3225 | s++; |
3226 | return s; | |
79072805 | 3227 | case 'u': |
bf4acbe4 GS |
3228 | #ifdef MACOS_TRADITIONAL |
3229 | Perl_croak(aTHX_ "Believe me, you don't want to use \"-u\" on a Macintosh"); | |
3230 | #endif | |
3280af22 | 3231 | PL_do_undump = TRUE; |
79072805 LW |
3232 | s++; |
3233 | return s; | |
3234 | case 'U': | |
3280af22 | 3235 | PL_unsafe = TRUE; |
79072805 LW |
3236 | s++; |
3237 | return s; | |
3238 | case 'v': | |
d7aa5382 | 3239 | if (!sv_derived_from(PL_patchlevel, "version")) |
ac0e6a2f | 3240 | upg_version(PL_patchlevel, TRUE); |
8e9464f1 | 3241 | #if !defined(DGUX) |
b0e47665 | 3242 | PerlIO_printf(PerlIO_stdout(), |
7850f74c GA |
3243 | Perl_form(aTHX_ "\nThis is perl, %"SVf |
3244 | #ifdef PERL_PATCHNUM | |
3245 | " DEVEL" STRINGIFY(PERL_PATCHNUM) | |
3246 | #endif | |
3247 | " built for %s", | |
be2597df | 3248 | SVfARG(vstringify(PL_patchlevel)), |
95b63a38 | 3249 | ARCHNAME)); |
8e9464f1 JH |
3250 | #else /* DGUX */ |
3251 | /* Adjust verbose output as in the perl that ships with the DG/UX OS from EMC */ | |
3252 | PerlIO_printf(PerlIO_stdout(), | |
52ea0aec | 3253 | Perl_form(aTHX_ "\nThis is perl, %"SVf"\n", |
be2597df | 3254 | SVfARG(vstringify(PL_patchlevel)))); |
8e9464f1 JH |
3255 | PerlIO_printf(PerlIO_stdout(), |
3256 | Perl_form(aTHX_ " built under %s at %s %s\n", | |
3257 | OSNAME, __DATE__, __TIME__)); | |
3258 | PerlIO_printf(PerlIO_stdout(), | |
3259 | Perl_form(aTHX_ " OS Specific Release: %s\n", | |
40a39f85 | 3260 | OSVERS)); |
8e9464f1 JH |
3261 | #endif /* !DGUX */ |
3262 | ||
fb73857a | 3263 | #if defined(LOCAL_PATCH_COUNT) |
3264 | if (LOCAL_PATCH_COUNT > 0) | |
b0e47665 GS |
3265 | PerlIO_printf(PerlIO_stdout(), |
3266 | "\n(with %d registered patch%s, " | |
3267 | "see perl -V for more detail)", | |
bb7a0f54 | 3268 | LOCAL_PATCH_COUNT, |
b0e47665 | 3269 | (LOCAL_PATCH_COUNT!=1) ? "es" : ""); |
a5f75d66 | 3270 | #endif |
1a30305b | 3271 | |
b0e47665 | 3272 | PerlIO_printf(PerlIO_stdout(), |
34ce1597 | 3273 | "\n\nCopyright 1987-2007, Larry Wall\n"); |
eae9c151 JH |
3274 | #ifdef MACOS_TRADITIONAL |
3275 | PerlIO_printf(PerlIO_stdout(), | |
be3c0a43 | 3276 | "\nMac OS port Copyright 1991-2002, Matthias Neeracher;\n" |
03765510 | 3277 | "maintained by Chris Nandor\n"); |
eae9c151 | 3278 | #endif |
79072805 | 3279 | #ifdef MSDOS |
b0e47665 GS |
3280 | PerlIO_printf(PerlIO_stdout(), |
3281 | "\nMS-DOS port Copyright (c) 1989, 1990, Diomidis Spinellis\n"); | |
55497cff | 3282 | #endif |
3283 | #ifdef DJGPP | |
b0e47665 GS |
3284 | PerlIO_printf(PerlIO_stdout(), |
3285 | "djgpp v2 port (jpl5003c) by Hirofumi Watanabe, 1996\n" | |
3286 | "djgpp v2 port (perl5004+) by Laszlo Molnar, 1997-1999\n"); | |
4633a7c4 | 3287 | #endif |
79072805 | 3288 | #ifdef OS2 |
b0e47665 GS |
3289 | PerlIO_printf(PerlIO_stdout(), |
3290 | "\n\nOS/2 port Copyright (c) 1990, 1991, Raymond Chen, Kai Uwe Rommel\n" | |
be3c0a43 | 3291 | "Version 5 port Copyright (c) 1994-2002, Andreas Kaiser, Ilya Zakharevich\n"); |
79072805 | 3292 | #endif |
79072805 | 3293 | #ifdef atarist |
b0e47665 GS |
3294 | PerlIO_printf(PerlIO_stdout(), |
3295 | "atariST series port, ++jrb bammi@cadence.com\n"); | |
79072805 | 3296 | #endif |
a3f9223b | 3297 | #ifdef __BEOS__ |
b0e47665 GS |
3298 | PerlIO_printf(PerlIO_stdout(), |
3299 | "BeOS port Copyright Tom Spindler, 1997-1999\n"); | |
a3f9223b | 3300 | #endif |
1d84e8df | 3301 | #ifdef MPE |
b0e47665 | 3302 | PerlIO_printf(PerlIO_stdout(), |
e583a879 | 3303 | "MPE/iX port Copyright by Mark Klein and Mark Bixby, 1996-2003\n"); |
1d84e8df | 3304 | #endif |
9d116dd7 | 3305 | #ifdef OEMVS |
b0e47665 GS |
3306 | PerlIO_printf(PerlIO_stdout(), |
3307 | "MVS (OS390) port by Mortice Kern Systems, 1997-1999\n"); | |
9d116dd7 | 3308 | #endif |
495c5fdc | 3309 | #ifdef __VOS__ |
b0e47665 | 3310 | PerlIO_printf(PerlIO_stdout(), |
94efb9fb | 3311 | "Stratus VOS port by Paul.Green@stratus.com, 1997-2002\n"); |
495c5fdc | 3312 | #endif |
092bebab | 3313 | #ifdef __OPEN_VM |
b0e47665 GS |
3314 | PerlIO_printf(PerlIO_stdout(), |
3315 | "VM/ESA port by Neale Ferguson, 1998-1999\n"); | |
092bebab | 3316 | #endif |
a1a0e61e | 3317 | #ifdef POSIX_BC |
b0e47665 GS |
3318 | PerlIO_printf(PerlIO_stdout(), |
3319 | "BS2000 (POSIX) port by Start Amadeus GmbH, 1998-1999\n"); | |
a1a0e61e | 3320 | #endif |
61ae2fbf | 3321 | #ifdef __MINT__ |
b0e47665 GS |
3322 | PerlIO_printf(PerlIO_stdout(), |
3323 | "MiNT port by Guido Flohr, 1997-1999\n"); | |
61ae2fbf | 3324 | #endif |
f83d2536 | 3325 | #ifdef EPOC |
b0e47665 | 3326 | PerlIO_printf(PerlIO_stdout(), |
be3c0a43 | 3327 | "EPOC port by Olaf Flebbe, 1999-2002\n"); |
f83d2536 | 3328 | #endif |
e1caacb4 | 3329 | #ifdef UNDER_CE |
b475b3e6 JH |
3330 | PerlIO_printf(PerlIO_stdout(),"WINCE port by Rainer Keuchel, 2001-2002\n"); |
3331 | PerlIO_printf(PerlIO_stdout(),"Built on " __DATE__ " " __TIME__ "\n\n"); | |
e1caacb4 JH |
3332 | wce_hitreturn(); |
3333 | #endif | |
a0fd4948 | 3334 | #ifdef __SYMBIAN32__ |
27da23d5 JH |
3335 | PerlIO_printf(PerlIO_stdout(), |
3336 | "Symbian port by Nokia, 2004-2005\n"); | |
3337 | #endif | |
baed7233 DL |
3338 | #ifdef BINARY_BUILD_NOTICE |
3339 | BINARY_BUILD_NOTICE; | |
3340 | #endif | |
b0e47665 GS |
3341 | PerlIO_printf(PerlIO_stdout(), |
3342 | "\n\ | |
79072805 | 3343 | Perl may be copied only under the terms of either the Artistic License or the\n\ |
3d6f292d | 3344 | GNU General Public License, which may be found in the Perl 5 source kit.\n\n\ |
95103687 | 3345 | Complete documentation for Perl, including FAQ lists, should be found on\n\ |
a0288114 | 3346 | this system using \"man perl\" or \"perldoc perl\". If you have access to the\n\ |
c9e30dd8 | 3347 | Internet, point your browser at http://www.perl.org/, the Perl Home Page.\n\n"); |
7ca617d0 | 3348 | my_exit(0); |
79072805 | 3349 | case 'w': |
b2e5e6ba | 3350 | if (! (PL_dowarn & G_WARN_ALL_MASK)) { |
ac27b0f5 | 3351 | PL_dowarn |= G_WARN_ON; |
b2e5e6ba | 3352 | } |
599cee73 PM |
3353 | s++; |
3354 | return s; | |
3355 | case 'W': | |
ac27b0f5 | 3356 | PL_dowarn = G_WARN_ALL_ON|G_WARN_ON; |
317ea90d | 3357 | if (!specialWARN(PL_compiling.cop_warnings)) |
72dc9ed5 | 3358 | PerlMemShared_free(PL_compiling.cop_warnings); |
d3a7d8c7 | 3359 | PL_compiling.cop_warnings = pWARN_ALL ; |
599cee73 PM |
3360 | s++; |
3361 | return s; | |
3362 | case 'X': | |
ac27b0f5 | 3363 | PL_dowarn = G_WARN_ALL_OFF; |
317ea90d | 3364 | if (!specialWARN(PL_compiling.cop_warnings)) |
72dc9ed5 | 3365 | PerlMemShared_free(PL_compiling.cop_warnings); |
d3a7d8c7 | 3366 | PL_compiling.cop_warnings = pWARN_NONE ; |
79072805 LW |
3367 | s++; |
3368 | return s; | |
a0d0e21e | 3369 | case '*': |
79072805 LW |
3370 | case ' ': |
3371 | if (s[1] == '-') /* Additional switches on #! line. */ | |
3372 | return s+2; | |
3373 | break; | |
a0d0e21e | 3374 | case '-': |
79072805 | 3375 | case 0: |
51882d45 | 3376 | #if defined(WIN32) || !defined(PERL_STRICT_CR) |
a868473f NIS |
3377 | case '\r': |
3378 | #endif | |
79072805 LW |
3379 | case '\n': |
3380 | case '\t': | |
3381 | break; | |
aa689395 | 3382 | #ifdef ALTERNATE_SHEBANG |
3383 | case 'S': /* OS/2 needs -S on "extproc" line. */ | |
3384 | break; | |
3385 | #endif | |
a0d0e21e | 3386 | case 'P': |
3280af22 | 3387 | if (PL_preprocess) |
a0d0e21e LW |
3388 | return s+1; |
3389 | /* FALL THROUGH */ | |
79072805 | 3390 | default: |
cea2e8a9 | 3391 | Perl_croak(aTHX_ "Can't emulate -%.1s on #! line",s); |
79072805 | 3392 | } |
bd61b366 | 3393 | return NULL; |
79072805 LW |
3394 | } |
3395 | ||
3396 | /* compliments of Tom Christiansen */ | |
3397 | ||
3398 | /* unexec() can be found in the Gnu emacs distribution */ | |
ee580363 | 3399 | /* Known to work with -DUNEXEC and using unexelf.c from GNU emacs-20.2 */ |
79072805 LW |
3400 | |
3401 | void | |
864dbfa3 | 3402 | Perl_my_unexec(pTHX) |
79072805 | 3403 | { |
b37c2d43 | 3404 | PERL_UNUSED_CONTEXT; |
79072805 | 3405 | #ifdef UNEXEC |
b37c2d43 AL |
3406 | SV * prog = newSVpv(BIN_EXP, 0); |
3407 | SV * file = newSVpv(PL_origfilename, 0); | |
ee580363 | 3408 | int status = 1; |
79072805 LW |
3409 | extern int etext; |
3410 | ||
396482e1 | 3411 | sv_catpvs(prog, "/perl"); |
396482e1 | 3412 | sv_catpvs(file, ".perldump"); |
79072805 | 3413 | |
ee580363 GS |
3414 | unexec(SvPVX(file), SvPVX(prog), &etext, sbrk(0), 0); |
3415 | /* unexec prints msg to stderr in case of failure */ | |
6ad3d225 | 3416 | PerlProc_exit(status); |
79072805 | 3417 | #else |
a5f75d66 AD |
3418 | # ifdef VMS |
3419 | # include <lib$routines.h> | |
3420 | lib$signal(SS$_DEBUG); /* ssdef.h #included from vmsish.h */ | |
84d78eb7 YO |
3421 | # elif defined(WIN32) || defined(__CYGWIN__) |
3422 | Perl_croak(aTHX_ "dump is not supported"); | |
aa689395 | 3423 | # else |
79072805 | 3424 | ABORT(); /* for use with undump */ |
aa689395 | 3425 | # endif |
a5f75d66 | 3426 | #endif |
79072805 LW |
3427 | } |
3428 | ||
cb68f92d GS |
3429 | /* initialize curinterp */ |
3430 | STATIC void | |
cea2e8a9 | 3431 | S_init_interp(pTHX) |
cb68f92d | 3432 | { |
97aff369 | 3433 | dVAR; |
acfe0abc GS |
3434 | #ifdef MULTIPLICITY |
3435 | # define PERLVAR(var,type) | |
3436 | # define PERLVARA(var,n,type) | |
3437 | # if defined(PERL_IMPLICIT_CONTEXT) | |
b7f7fff6 NC |
3438 | # define PERLVARI(var,type,init) aTHX->var = init; |
3439 | # define PERLVARIC(var,type,init) aTHX->var = init; | |
3967c732 | 3440 | # else |
acfe0abc GS |
3441 | # define PERLVARI(var,type,init) PERL_GET_INTERP->var = init; |
3442 | # define PERLVARIC(var,type,init) PERL_GET_INTERP->var = init; | |
066ef5b5 | 3443 | # endif |
acfe0abc | 3444 | # include "intrpvar.h" |
acfe0abc GS |
3445 | # undef PERLVAR |
3446 | # undef PERLVARA | |
3447 | # undef PERLVARI | |
3448 | # undef PERLVARIC | |
3449 | #else | |
3450 | # define PERLVAR(var,type) | |
3451 | # define PERLVARA(var,n,type) | |
3452 | # define PERLVARI(var,type,init) PL_##var = init; | |
3453 | # define PERLVARIC(var,type,init) PL_##var = init; | |
3454 | # include "intrpvar.h" | |
acfe0abc GS |
3455 | # undef PERLVAR |
3456 | # undef PERLVARA | |
3457 | # undef PERLVARI | |
3458 | # undef PERLVARIC | |
cb68f92d GS |
3459 | #endif |
3460 | ||
46ab3289 NC |
3461 | /* As these are inside a structure, PERLVARI isn't capable of initialising |
3462 | them */ | |
6c3f0a89 NC |
3463 | PL_reg_oldcurpm = PL_reg_curpm = NULL; |
3464 | PL_reg_poscache = PL_reg_starttry = NULL; | |
cb68f92d GS |
3465 | } |
3466 | ||
76e3520e | 3467 | STATIC void |
cea2e8a9 | 3468 | S_init_main_stash(pTHX) |
79072805 | 3469 | { |
97aff369 | 3470 | dVAR; |
463ee0b2 | 3471 | GV *gv; |
6e72f9df | 3472 | |
3280af22 | 3473 | PL_curstash = PL_defstash = newHV(); |
23579a14 NC |
3474 | /* We know that the string "main" will be in the global shared string |
3475 | table, so it's a small saving to use it rather than allocate another | |
3476 | 8 bytes. */ | |
18916d0d | 3477 | PL_curstname = newSVpvs_share("main"); |
fafc274c | 3478 | gv = gv_fetchpvs("main::", GV_ADD|GV_NOTQUAL, SVt_PVHV); |
23579a14 NC |
3479 | /* If we hadn't caused another reference to "main" to be in the shared |
3480 | string table above, then it would be worth reordering these two, | |
3481 | because otherwise all we do is delete "main" from it as a consequence | |
3482 | of the SvREFCNT_dec, only to add it again with hv_name_set */ | |
adbc6bb1 | 3483 | SvREFCNT_dec(GvHV(gv)); |
23579a14 | 3484 | hv_name_set(PL_defstash, "main", 4, 0); |
b37c2d43 | 3485 | GvHV(gv) = (HV*)SvREFCNT_inc_simple(PL_defstash); |
463ee0b2 | 3486 | SvREADONLY_on(gv); |
fafc274c NC |
3487 | PL_incgv = gv_HVadd(gv_AVadd(gv_fetchpvs("INC", GV_ADD|GV_NOTQUAL, |
3488 | SVt_PVAV))); | |
5a5094bd | 3489 | SvREFCNT_inc_simple_void(PL_incgv); /* Don't allow it to be freed */ |
3280af22 | 3490 | GvMULTI_on(PL_incgv); |
fafc274c | 3491 | PL_hintgv = gv_fetchpvs("\010", GV_ADD|GV_NOTQUAL, SVt_PV); /* ^H */ |
3280af22 | 3492 | GvMULTI_on(PL_hintgv); |
fafc274c | 3493 | PL_defgv = gv_fetchpvs("_", GV_ADD|GV_NOTQUAL, SVt_PVAV); |
5a5094bd | 3494 | SvREFCNT_inc_simple_void(PL_defgv); |
fafc274c | 3495 | PL_errgv = gv_HVadd(gv_fetchpvs("@", GV_ADD|GV_NOTQUAL, SVt_PV)); |
5a5094bd | 3496 | SvREFCNT_inc_simple_void(PL_errgv); |
3280af22 | 3497 | GvMULTI_on(PL_errgv); |
fafc274c | 3498 | PL_replgv = gv_fetchpvs("\022", GV_ADD|GV_NOTQUAL, SVt_PV); /* ^R */ |
3280af22 | 3499 | GvMULTI_on(PL_replgv); |
cea2e8a9 | 3500 | (void)Perl_form(aTHX_ "%240s",""); /* Preallocate temp - for immediate signals. */ |
c69033f2 NC |
3501 | #ifdef PERL_DONT_CREATE_GVSV |
3502 | gv_SVadd(PL_errgv); | |
3503 | #endif | |
38a03e6e MB |
3504 | sv_grow(ERRSV, 240); /* Preallocate - for immediate signals. */ |
3505 | sv_setpvn(ERRSV, "", 0); | |
3280af22 | 3506 | PL_curstash = PL_defstash; |
11faa288 | 3507 | CopSTASH_set(&PL_compiling, PL_defstash); |
5c1737d1 NC |
3508 | PL_debstash = GvHV(gv_fetchpvs("DB::", GV_ADDMULTI, SVt_PVHV)); |
3509 | PL_globalstash = GvHV(gv_fetchpvs("CORE::GLOBAL::", GV_ADDMULTI, | |
3510 | SVt_PVHV)); | |
4633a7c4 | 3511 | /* We must init $/ before switches are processed. */ |
864dbfa3 | 3512 | sv_setpvn(get_sv("/", TRUE), "\n", 1); |
79072805 LW |
3513 | } |
3514 | ||
fdf5d70d | 3515 | STATIC int |
cdd8118e | 3516 | S_open_script(pTHX_ const char *scriptname, bool dosearch, SV *sv, |
2f9285f8 | 3517 | int *suidscript, PerlIO **rsfpp) |
79072805 | 3518 | { |
ae3f3efd | 3519 | #ifndef IAMSUID |
e1ec3a88 AL |
3520 | const char *quote; |
3521 | const char *code; | |
3522 | const char *cpp_discard_flag; | |
3523 | const char *perl; | |
ae3f3efd | 3524 | #endif |
fdf5d70d | 3525 | int fdscript = -1; |
27da23d5 | 3526 | dVAR; |
1b24ed4b | 3527 | |
cdd8118e | 3528 | *suidscript = -1; |
79072805 | 3529 | |
3280af22 | 3530 | if (PL_e_script) { |
89529cee | 3531 | PL_origfilename = savepvs("-e"); |
96436eeb | 3532 | } |
6c4ab083 GS |
3533 | else { |
3534 | /* if find_script() returns, it returns a malloc()-ed value */ | |
dd374669 | 3535 | scriptname = PL_origfilename = find_script(scriptname, dosearch, NULL, 1); |
6c4ab083 GS |
3536 | |
3537 | if (strnEQ(scriptname, "/dev/fd/", 8) && isDIGIT(scriptname[8]) ) { | |
e1ec3a88 | 3538 | const char *s = scriptname + 8; |
fdf5d70d | 3539 | fdscript = atoi(s); |
6c4ab083 GS |
3540 | while (isDIGIT(*s)) |
3541 | s++; | |
3542 | if (*s) { | |
ae3f3efd PS |
3543 | /* PSz 18 Feb 04 |
3544 | * Tell apart "normal" usage of fdscript, e.g. | |
3545 | * with bash on FreeBSD: | |
3546 | * perl <( echo '#!perl -DA'; echo 'print "$0\n"') | |
3547 | * from usage in suidperl. | |
3548 | * Does any "normal" usage leave garbage after the number??? | |
3549 | * Is it a mistake to use a similar /dev/fd/ construct for | |
3550 | * suidperl? | |
3551 | */ | |
cdd8118e | 3552 | *suidscript = 1; |
ae3f3efd PS |
3553 | /* PSz 20 Feb 04 |
3554 | * Be supersafe and do some sanity-checks. | |
3555 | * Still, can we be sure we got the right thing? | |
3556 | */ | |
3557 | if (*s != '/') { | |
3558 | Perl_croak(aTHX_ "Wrong syntax (suid) fd script name \"%s\"\n", s); | |
3559 | } | |
3560 | if (! *(s+1)) { | |
3561 | Perl_croak(aTHX_ "Missing (suid) fd script name\n"); | |
3562 | } | |
6c4ab083 | 3563 | scriptname = savepv(s + 1); |
3280af22 | 3564 | Safefree(PL_origfilename); |
dd374669 | 3565 | PL_origfilename = (char *)scriptname; |
6c4ab083 GS |
3566 | } |
3567 | } | |
3568 | } | |
3569 | ||
05ec9bb3 | 3570 | CopFILE_free(PL_curcop); |
57843af0 | 3571 | CopFILE_set(PL_curcop, PL_origfilename); |
770526c1 | 3572 | if (*PL_origfilename == '-' && PL_origfilename[1] == '\0') |
dd374669 | 3573 | scriptname = (char *)""; |
fdf5d70d | 3574 | if (fdscript >= 0) { |
2f9285f8 | 3575 | *rsfpp = PerlIO_fdopen(fdscript,PERL_SCRIPT_MODE); |
1b24ed4b | 3576 | # if defined(HAS_FCNTL) && defined(F_SETFD) |
2f9285f8 | 3577 | if (*rsfpp) |
1b24ed4b | 3578 | /* ensure close-on-exec */ |
2f9285f8 | 3579 | fcntl(PerlIO_fileno(*rsfpp),F_SETFD,1); |
1b24ed4b | 3580 | # endif |
96436eeb | 3581 | } |
ae3f3efd PS |
3582 | #ifdef IAMSUID |
3583 | else { | |
86207487 NC |
3584 | Perl_croak(aTHX_ "sperl needs fd script\n" |
3585 | "You should not call sperl directly; do you need to " | |
3586 | "change a #! line\nfrom sperl to perl?\n"); | |
3587 | ||
ae3f3efd PS |
3588 | /* PSz 11 Nov 03 |
3589 | * Do not open (or do other fancy stuff) while setuid. | |
3590 | * Perl does the open, and hands script to suidperl on a fd; | |
3591 | * suidperl only does some checks, sets up UIDs and re-execs | |
3592 | * perl with that fd as it has always done. | |
3593 | */ | |
3594 | } | |
cdd8118e | 3595 | if (*suidscript != 1) { |
ae3f3efd PS |
3596 | Perl_croak(aTHX_ "suidperl needs (suid) fd script\n"); |
3597 | } | |
3598 | #else /* IAMSUID */ | |
3280af22 | 3599 | else if (PL_preprocess) { |
c4420975 | 3600 | const char * const cpp_cfg = CPPSTDIN; |
396482e1 | 3601 | SV * const cpp = newSVpvs(""); |
561b68a9 | 3602 | SV * const cmd = newSV(0); |
46fc3d4c | 3603 | |
ae58f265 JH |
3604 | if (cpp_cfg[0] == 0) /* PERL_MICRO? */ |
3605 | Perl_croak(aTHX_ "Can't run with cpp -P with CPPSTDIN undefined"); | |
46fc3d4c | 3606 | if (strEQ(cpp_cfg, "cppstdin")) |
cea2e8a9 | 3607 | Perl_sv_catpvf(aTHX_ cpp, "%s/", BIN_EXP); |
46fc3d4c | 3608 | sv_catpv(cpp, cpp_cfg); |
79072805 | 3609 | |
1b24ed4b | 3610 | # ifndef VMS |
396482e1 | 3611 | sv_catpvs(sv, "-I"); |
1b24ed4b MS |
3612 | sv_catpv(sv,PRIVLIB_EXP); |
3613 | # endif | |
46fc3d4c | 3614 | |
14953ddc MB |
3615 | DEBUG_P(PerlIO_printf(Perl_debug_log, |
3616 | "PL_preprocess: scriptname=\"%s\", cpp=\"%s\", sv=\"%s\", CPPMINUS=\"%s\"\n", | |
848ef955 NC |
3617 | scriptname, SvPVX_const (cpp), SvPVX_const (sv), |
3618 | CPPMINUS)); | |
1b24ed4b MS |
3619 | |
3620 | # if defined(MSDOS) || defined(WIN32) || defined(VMS) | |
3621 | quote = "\""; | |
3622 | # else | |
3623 | quote = "'"; | |
3624 | # endif | |
3625 | ||
3626 | # ifdef VMS | |
3627 | cpp_discard_flag = ""; | |
3628 | # else | |
3629 | cpp_discard_flag = "-C"; | |
3630 | # endif | |
3631 | ||
3632 | # ifdef OS2 | |
3633 | perl = os2_execname(aTHX); | |
3634 | # else | |
3635 | perl = PL_origargv[0]; | |
3636 | # endif | |
3637 | ||
3638 | ||
3639 | /* This strips off Perl comments which might interfere with | |
62375a60 NIS |
3640 | the C pre-processor, including #!. #line directives are |
3641 | deliberately stripped to avoid confusion with Perl's version | |
1b24ed4b MS |
3642 | of #line. FWP played some golf with it so it will fit |
3643 | into VMS's 255 character buffer. | |
3644 | */ | |
3645 | if( PL_doextract ) | |
3646 | code = "(1../^#!.*perl/i)|/^\\s*#(?!\\s*((ifn?|un)def|(el|end)?if|define|include|else|error|pragma)\\b)/||!($|=1)||print"; | |
3647 | else | |
3648 | code = "/^\\s*#(?!\\s*((ifn?|un)def|(el|end)?if|define|include|else|error|pragma)\\b)/||!($|=1)||print"; | |
3649 | ||
3650 | Perl_sv_setpvf(aTHX_ cmd, "\ | |
3651 | %s -ne%s%s%s %s | %"SVf" %s %"SVf" %s", | |
be2597df MHM |
3652 | perl, quote, code, quote, scriptname, SVfARG(cpp), |
3653 | cpp_discard_flag, SVfARG(sv), CPPMINUS); | |
1b24ed4b | 3654 | |
3280af22 | 3655 | PL_doextract = FALSE; |
0a6c758d | 3656 | |
62375a60 NIS |
3657 | DEBUG_P(PerlIO_printf(Perl_debug_log, |
3658 | "PL_preprocess: cmd=\"%s\"\n", | |
848ef955 | 3659 | SvPVX_const(cmd))); |
0a6c758d | 3660 | |
2f9285f8 | 3661 | *rsfpp = PerlProc_popen((char *)SvPVX_const(cmd), (char *)"r"); |
46fc3d4c | 3662 | SvREFCNT_dec(cmd); |
3663 | SvREFCNT_dec(cpp); | |
79072805 LW |
3664 | } |
3665 | else if (!*scriptname) { | |
cdd8118e | 3666 | forbid_setid(0, *suidscript); |
2f9285f8 | 3667 | *rsfpp = PerlIO_stdin(); |
79072805 | 3668 | } |
96436eeb | 3669 | else { |
9c12f1e5 RGS |
3670 | #ifdef FAKE_BIT_BUCKET |
3671 | /* This hack allows one not to have /dev/null (or BIT_BUCKET as it | |
3672 | * is called) and still have the "-e" work. (Believe it or not, | |
3673 | * a /dev/null is required for the "-e" to work because source | |
3674 | * filter magic is used to implement it. ) This is *not* a general | |
3675 | * replacement for a /dev/null. What we do here is create a temp | |
3676 | * file (an empty file), open up that as the script, and then | |
3677 | * immediately close and unlink it. Close enough for jazz. */ | |
3678 | #define FAKE_BIT_BUCKET_PREFIX "/tmp/perlnull-" | |
3679 | #define FAKE_BIT_BUCKET_SUFFIX "XXXXXXXX" | |
3680 | #define FAKE_BIT_BUCKET_TEMPLATE FAKE_BIT_BUCKET_PREFIX FAKE_BIT_BUCKET_SUFFIX | |
3681 | char tmpname[sizeof(FAKE_BIT_BUCKET_TEMPLATE)] = { | |
3682 | FAKE_BIT_BUCKET_TEMPLATE | |
3683 | }; | |
3684 | const char * const err = "Failed to create a fake bit bucket"; | |
3685 | if (strEQ(scriptname, BIT_BUCKET)) { | |
3686 | #ifdef HAS_MKSTEMP /* Hopefully mkstemp() is safe here. */ | |
3687 | int tmpfd = mkstemp(tmpname); | |
3688 | if (tmpfd > -1) { | |
3689 | scriptname = tmpname; | |
3690 | close(tmpfd); | |
3691 | } else | |
3692 | Perl_croak(aTHX_ err); | |
3693 | #else | |
3694 | # ifdef HAS_MKTEMP | |
3695 | scriptname = mktemp(tmpname); | |
3696 | if (!scriptname) | |
3697 | Perl_croak(aTHX_ err); | |
3698 | # endif | |
3699 | #endif | |
3700 | } | |
3701 | #endif | |
2f9285f8 | 3702 | *rsfpp = PerlIO_open(scriptname,PERL_SCRIPT_MODE); |
9c12f1e5 RGS |
3703 | #ifdef FAKE_BIT_BUCKET |
3704 | if (memEQ(scriptname, FAKE_BIT_BUCKET_PREFIX, | |
3705 | sizeof(FAKE_BIT_BUCKET_PREFIX) - 1) | |
3706 | && strlen(scriptname) == sizeof(tmpname) - 1) { | |
3707 | unlink(scriptname); | |
3708 | } | |
3709 | scriptname = BIT_BUCKET; | |
3710 | #endif | |
1b24ed4b | 3711 | # if defined(HAS_FCNTL) && defined(F_SETFD) |
2f9285f8 | 3712 | if (*rsfpp) |
1b24ed4b | 3713 | /* ensure close-on-exec */ |
2f9285f8 | 3714 | fcntl(PerlIO_fileno(*rsfpp),F_SETFD,1); |
1b24ed4b | 3715 | # endif |
96436eeb | 3716 | } |
ae3f3efd | 3717 | #endif /* IAMSUID */ |
2f9285f8 | 3718 | if (!*rsfpp) { |
447218f8 | 3719 | /* PSz 16 Sep 03 Keep neat error message */ |
b1681ed3 RGS |
3720 | if (PL_e_script) |
3721 | Perl_croak(aTHX_ "Can't open "BIT_BUCKET": %s\n", Strerror(errno)); | |
3722 | else | |
3723 | Perl_croak(aTHX_ "Can't open perl script \"%s\": %s\n", | |
3724 | CopFILE(PL_curcop), Strerror(errno)); | |
13281fa4 | 3725 | } |
fdf5d70d | 3726 | return fdscript; |
79072805 | 3727 | } |
8d063cd8 | 3728 | |
7b89560d JH |
3729 | /* Mention |
3730 | * I_SYSSTATVFS HAS_FSTATVFS | |
3731 | * I_SYSMOUNT | |
c890dc6c | 3732 | * I_STATFS HAS_FSTATFS HAS_GETFSSTAT |
7b89560d JH |
3733 | * I_MNTENT HAS_GETMNTENT HAS_HASMNTOPT |
3734 | * here so that metaconfig picks them up. */ | |
3735 | ||
104d25b7 | 3736 | #ifdef IAMSUID |
864dbfa3 | 3737 | STATIC int |
e688b231 | 3738 | S_fd_on_nosuid_fs(pTHX_ int fd) |
104d25b7 | 3739 | { |
ae3f3efd PS |
3740 | /* PSz 27 Feb 04 |
3741 | * We used to do this as "plain" user (after swapping UIDs with setreuid); | |
3742 | * but is needed also on machines without setreuid. | |
3743 | * Seems safe enough to run as root. | |
3744 | */ | |
0545a864 JH |
3745 | int check_okay = 0; /* able to do all the required sys/libcalls */ |
3746 | int on_nosuid = 0; /* the fd is on a nosuid fs */ | |
ae3f3efd PS |
3747 | /* PSz 12 Nov 03 |
3748 | * Need to check noexec also: nosuid might not be set, the average | |
3749 | * sysadmin would say that nosuid is irrelevant once he sets noexec. | |
3750 | */ | |
3751 | int on_noexec = 0; /* the fd is on a noexec fs */ | |
3752 | ||
104d25b7 | 3753 | /* |
ad27e871 | 3754 | * Preferred order: fstatvfs(), fstatfs(), ustat()+getmnt(), getmntent(). |
e688b231 | 3755 | * fstatvfs() is UNIX98. |
0545a864 | 3756 | * fstatfs() is 4.3 BSD. |
ad27e871 | 3757 | * ustat()+getmnt() is pre-4.3 BSD. |
0545a864 JH |
3758 | * getmntent() is O(number-of-mounted-filesystems) and can hang on |
3759 | * an irrelevant filesystem while trying to reach the right one. | |
104d25b7 JH |
3760 | */ |
3761 | ||
6439433f JH |
3762 | #undef FD_ON_NOSUID_CHECK_OKAY /* found the syscalls to do the check? */ |
3763 | ||
3764 | # if !defined(FD_ON_NOSUID_CHECK_OKAY) && \ | |
3765 | defined(HAS_FSTATVFS) | |
3766 | # define FD_ON_NOSUID_CHECK_OKAY | |
104d25b7 | 3767 | struct statvfs stfs; |
6439433f | 3768 | |
104d25b7 JH |
3769 | check_okay = fstatvfs(fd, &stfs) == 0; |
3770 | on_nosuid = check_okay && (stfs.f_flag & ST_NOSUID); | |
ae3f3efd PS |
3771 | #ifdef ST_NOEXEC |
3772 | /* ST_NOEXEC certainly absent on AIX 5.1, and doesn't seem to be documented | |
3773 | on platforms where it is present. */ | |
3774 | on_noexec = check_okay && (stfs.f_flag & ST_NOEXEC); | |
3775 | #endif | |
6439433f | 3776 | # endif /* fstatvfs */ |
ac27b0f5 | 3777 | |
6439433f JH |
3778 | # if !defined(FD_ON_NOSUID_CHECK_OKAY) && \ |
3779 | defined(PERL_MOUNT_NOSUID) && \ | |
ae3f3efd | 3780 | defined(PERL_MOUNT_NOEXEC) && \ |
6439433f JH |
3781 | defined(HAS_FSTATFS) && \ |
3782 | defined(HAS_STRUCT_STATFS) && \ | |
3783 | defined(HAS_STRUCT_STATFS_F_FLAGS) | |
3784 | # define FD_ON_NOSUID_CHECK_OKAY | |
e688b231 | 3785 | struct statfs stfs; |
6439433f | 3786 | |
104d25b7 | 3787 | check_okay = fstatfs(fd, &stfs) == 0; |
104d25b7 | 3788 | on_nosuid = check_okay && (stfs.f_flags & PERL_MOUNT_NOSUID); |
ae3f3efd | 3789 | on_noexec = check_okay && (stfs.f_flags & PERL_MOUNT_NOEXEC); |
6439433f JH |
3790 | # endif /* fstatfs */ |
3791 | ||
3792 | # if !defined(FD_ON_NOSUID_CHECK_OKAY) && \ | |
3793 | defined(PERL_MOUNT_NOSUID) && \ | |
ae3f3efd | 3794 | defined(PERL_MOUNT_NOEXEC) && \ |
6439433f JH |
3795 | defined(HAS_FSTAT) && \ |
3796 | defined(HAS_USTAT) && \ | |
3797 | defined(HAS_GETMNT) && \ | |
3798 | defined(HAS_STRUCT_FS_DATA) && \ | |
3799 | defined(NOSTAT_ONE) | |
3800 | # define FD_ON_NOSUID_CHECK_OKAY | |
c623ac67 | 3801 | Stat_t fdst; |
6439433f | 3802 | |
0545a864 | 3803 | if (fstat(fd, &fdst) == 0) { |
6439433f JH |
3804 | struct ustat us; |
3805 | if (ustat(fdst.st_dev, &us) == 0) { | |
3806 | struct fs_data fsd; | |
3807 | /* NOSTAT_ONE here because we're not examining fields which | |
3808 | * vary between that case and STAT_ONE. */ | |
ad27e871 | 3809 | if (getmnt((int*)0, &fsd, (int)0, NOSTAT_ONE, us.f_fname) == 0) { |
6439433f JH |
3810 | size_t cmplen = sizeof(us.f_fname); |
3811 | if (sizeof(fsd.fd_req.path) < cmplen) | |
3812 | cmplen = sizeof(fsd.fd_req.path); | |
3813 | if (strnEQ(fsd.fd_req.path, us.f_fname, cmplen) && | |
3814 | fdst.st_dev == fsd.fd_req.dev) { | |
6e186fbe MHM |
3815 | check_okay = 1; |
3816 | on_nosuid = fsd.fd_req.flags & PERL_MOUNT_NOSUID; | |
3817 | on_noexec = fsd.fd_req.flags & PERL_MOUNT_NOEXEC; | |
6439433f JH |
3818 | } |
3819 | } | |
3820 | } | |
0545a864 | 3821 | } |
6439433f JH |
3822 | # endif /* fstat+ustat+getmnt */ |
3823 | ||
3824 | # if !defined(FD_ON_NOSUID_CHECK_OKAY) && \ | |
3825 | defined(HAS_GETMNTENT) && \ | |
3826 | defined(HAS_HASMNTOPT) && \ | |
ae3f3efd PS |
3827 | defined(MNTOPT_NOSUID) && \ |
3828 | defined(MNTOPT_NOEXEC) | |
6439433f JH |
3829 | # define FD_ON_NOSUID_CHECK_OKAY |
3830 | FILE *mtab = fopen("/etc/mtab", "r"); | |
3831 | struct mntent *entry; | |
c623ac67 | 3832 | Stat_t stb, fsb; |
104d25b7 JH |
3833 | |
3834 | if (mtab && (fstat(fd, &stb) == 0)) { | |
6439433f JH |
3835 | while (entry = getmntent(mtab)) { |
3836 | if (stat(entry->mnt_dir, &fsb) == 0 | |
3837 | && fsb.st_dev == stb.st_dev) | |
3838 | { | |
3839 | /* found the filesystem */ | |
3840 | check_okay = 1; | |
3841 | if (hasmntopt(entry, MNTOPT_NOSUID)) | |
3842 | on_nosuid = 1; | |
ae3f3efd PS |
3843 | if (hasmntopt(entry, MNTOPT_NOEXEC)) |
3844 | on_noexec = 1; | |
6439433f JH |
3845 | break; |
3846 | } /* A single fs may well fail its stat(). */ | |
3847 | } | |
104d25b7 JH |
3848 | } |
3849 | if (mtab) | |
6439433f JH |
3850 | fclose(mtab); |
3851 | # endif /* getmntent+hasmntopt */ | |
0545a864 | 3852 | |
ac27b0f5 | 3853 | if (!check_okay) |
ae3f3efd PS |
3854 | Perl_croak(aTHX_ "Can't check filesystem of script \"%s\" for nosuid/noexec", PL_origfilename); |
3855 | if (on_nosuid) | |
3856 | Perl_croak(aTHX_ "Setuid script \"%s\" on nosuid filesystem", PL_origfilename); | |
3857 | if (on_noexec) | |
3858 | Perl_croak(aTHX_ "Setuid script \"%s\" on noexec filesystem", PL_origfilename); | |
3859 | return ((!check_okay) || on_nosuid || on_noexec); | |
104d25b7 JH |
3860 | } |
3861 | #endif /* IAMSUID */ | |
3862 | ||
76e3520e | 3863 | STATIC void |
fdf5d70d | 3864 | S_validate_suid(pTHX_ const char *validarg, const char *scriptname, |
2f9285f8 | 3865 | int fdscript, int suidscript, SV *linestr_sv, PerlIO *rsfp) |
79072805 | 3866 | { |
27da23d5 | 3867 | dVAR; |
155aba94 | 3868 | #ifdef IAMSUID |
ae3f3efd PS |
3869 | /* int which; */ |
3870 | #endif /* IAMSUID */ | |
96436eeb | 3871 | |
13281fa4 LW |
3872 | /* do we need to emulate setuid on scripts? */ |
3873 | ||
3874 | /* This code is for those BSD systems that have setuid #! scripts disabled | |
3875 | * in the kernel because of a security problem. Merely defining DOSUID | |
3876 | * in perl will not fix that problem, but if you have disabled setuid | |
3877 | * scripts in the kernel, this will attempt to emulate setuid and setgid | |
3878 | * on scripts that have those now-otherwise-useless bits set. The setuid | |
27e2fb84 LW |
3879 | * root version must be called suidperl or sperlN.NNN. If regular perl |
3880 | * discovers that it has opened a setuid script, it calls suidperl with | |
3881 | * the same argv that it had. If suidperl finds that the script it has | |
3882 | * just opened is NOT setuid root, it sets the effective uid back to the | |
3883 | * uid. We don't just make perl setuid root because that loses the | |
3884 | * effective uid we had before invoking perl, if it was different from the | |
3885 | * uid. | |
ae3f3efd PS |
3886 | * PSz 27 Feb 04 |
3887 | * Description/comments above do not match current workings: | |
3888 | * suidperl must be hardlinked to sperlN.NNN (that is what we exec); | |
3889 | * suidperl called with script open and name changed to /dev/fd/N/X; | |
3890 | * suidperl croaks if script is not setuid; | |
3891 | * making perl setuid would be a huge security risk (and yes, that | |
3892 | * would lose any euid we might have had). | |
13281fa4 LW |
3893 | * |
3894 | * DOSUID must be defined in both perl and suidperl, and IAMSUID must | |
3895 | * be defined in suidperl only. suidperl must be setuid root. The | |
3896 | * Configure script will set this up for you if you want it. | |
3897 | */ | |
a687059c | 3898 | |
13281fa4 | 3899 | #ifdef DOSUID |
dd720ed5 | 3900 | const char *s, *s2; |
a0d0e21e | 3901 | |
2f9285f8 | 3902 | if (PerlLIO_fstat(PerlIO_fileno(rsfp),&PL_statbuf) < 0) /* normal stat is insecure */ |
cea2e8a9 | 3903 | Perl_croak(aTHX_ "Can't stat script \"%s\"",PL_origfilename); |
ae3f3efd | 3904 | if (PL_statbuf.st_mode & (S_ISUID|S_ISGID)) { |
79072805 | 3905 | I32 len; |
dd720ed5 | 3906 | const char *linestr; |
42d9b98d | 3907 | const char *s_end; |
13281fa4 | 3908 | |
dcd07940 | 3909 | # ifdef IAMSUID |
cdd8118e | 3910 | if (fdscript < 0 || suidscript != 1) |
ae3f3efd PS |
3911 | Perl_croak(aTHX_ "Need (suid) fdscript in suidperl\n"); /* We already checked this */ |
3912 | /* PSz 11 Nov 03 | |
3913 | * Since the script is opened by perl, not suidperl, some of these | |
3914 | * checks are superfluous. Leaving them in probably does not lower | |
3915 | * security(?!). | |
3916 | */ | |
3917 | /* PSz 27 Feb 04 | |
3918 | * Do checks even for systems with no HAS_SETREUID. | |
3919 | * We used to swap, then re-swap UIDs with | |
dcd07940 | 3920 | # ifdef HAS_SETREUID |
ae3f3efd PS |
3921 | if (setreuid(PL_euid,PL_uid) < 0 |
3922 | || PerlProc_getuid() != PL_euid || PerlProc_geteuid() != PL_uid) | |
3923 | Perl_croak(aTHX_ "Can't swap uid and euid"); | |
dcd07940 DM |
3924 | # endif |
3925 | # ifdef HAS_SETREUID | |
ae3f3efd PS |
3926 | if (setreuid(PL_uid,PL_euid) < 0 |
3927 | || PerlProc_getuid() != PL_uid || PerlProc_geteuid() != PL_euid) | |
3928 | Perl_croak(aTHX_ "Can't reswap uid and euid"); | |
dcd07940 | 3929 | # endif |
ae3f3efd PS |
3930 | */ |
3931 | ||
a687059c LW |
3932 | /* On this access check to make sure the directories are readable, |
3933 | * there is actually a small window that the user could use to make | |
3934 | * filename point to an accessible directory. So there is a faint | |
3935 | * chance that someone could execute a setuid script down in a | |
3936 | * non-accessible directory. I don't know what to do about that. | |
3937 | * But I don't think it's too important. The manual lies when | |
3938 | * it says access() is useful in setuid programs. | |
ae3f3efd PS |
3939 | * |
3940 | * So, access() is pretty useless... but not harmful... do anyway. | |
a687059c | 3941 | */ |
e57400b1 | 3942 | if (PerlLIO_access(CopFILE(PL_curcop),1)) { /*double check*/ |
ae3f3efd | 3943 | Perl_croak(aTHX_ "Can't access() script\n"); |
e57400b1 | 3944 | } |
ae3f3efd | 3945 | |
a687059c LW |
3946 | /* If we can swap euid and uid, then we can determine access rights |
3947 | * with a simple stat of the file, and then compare device and | |
3948 | * inode to make sure we did stat() on the same file we opened. | |
3949 | * Then we just have to make sure he or she can execute it. | |
ae3f3efd PS |
3950 | * |
3951 | * PSz 24 Feb 04 | |
3952 | * As the script is opened by perl, not suidperl, we do not need to | |
3953 | * care much about access rights. | |
3954 | * | |
3955 | * The 'script changed' check is needed, or we can get lied to | |
3956 | * about $0 with e.g. | |
3957 | * suidperl /dev/fd/4//bin/x 4<setuidscript | |
3958 | * Without HAS_SETREUID, is it safe to stat() as root? | |
3959 | * | |
3960 | * Are there any operating systems that pass /dev/fd/xxx for setuid | |
3961 | * scripts, as suggested/described in perlsec(1)? Surely they do not | |
3962 | * pass the script name as we do, so the "script changed" test would | |
3963 | * fail for them... but we never get here with | |
3964 | * SETUID_SCRIPTS_ARE_SECURE_NOW defined. | |
3965 | * | |
3966 | * This is one place where we must "lie" about return status: not | |
3967 | * say if the stat() failed. We are doing this as root, and could | |
3968 | * be tricked into reporting existence or not of files that the | |
3969 | * "plain" user cannot even see. | |
a687059c LW |
3970 | */ |
3971 | { | |
c623ac67 | 3972 | Stat_t tmpstatbuf; |
ae3f3efd PS |
3973 | if (PerlLIO_stat(CopFILE(PL_curcop),&tmpstatbuf) < 0 || |
3974 | tmpstatbuf.st_dev != PL_statbuf.st_dev || | |
b28d0864 | 3975 | tmpstatbuf.st_ino != PL_statbuf.st_ino) { |
ae3f3efd | 3976 | Perl_croak(aTHX_ "Setuid script changed\n"); |
a687059c | 3977 | } |
ae3f3efd | 3978 | |
a687059c | 3979 | } |
ae3f3efd PS |
3980 | if (!cando(S_IXUSR,FALSE,&PL_statbuf)) /* can real uid exec? */ |
3981 | Perl_croak(aTHX_ "Real UID cannot exec script\n"); | |
3982 | ||
3983 | /* PSz 27 Feb 04 | |
3984 | * We used to do this check as the "plain" user (after swapping | |
3985 | * UIDs). But the check for nosuid and noexec filesystem is needed, | |
3986 | * and should be done even without HAS_SETREUID. (Maybe those | |
3987 | * operating systems do not have such mount options anyway...) | |
3988 | * Seems safe enough to do as root. | |
3989 | */ | |
dcd07940 | 3990 | # if !defined(NO_NOSUID_CHECK) |
2f9285f8 | 3991 | if (fd_on_nosuid_fs(PerlIO_fileno(rsfp))) { |
ae3f3efd PS |
3992 | Perl_croak(aTHX_ "Setuid script on nosuid or noexec filesystem\n"); |
3993 | } | |
dcd07940 DM |
3994 | # endif |
3995 | # endif /* IAMSUID */ | |
a687059c | 3996 | |
e57400b1 | 3997 | if (!S_ISREG(PL_statbuf.st_mode)) { |
ae3f3efd | 3998 | Perl_croak(aTHX_ "Setuid script not plain file\n"); |
e57400b1 | 3999 | } |
b28d0864 | 4000 | if (PL_statbuf.st_mode & S_IWOTH) |
cea2e8a9 | 4001 | Perl_croak(aTHX_ "Setuid/gid script is writable by world"); |
6b88bc9c | 4002 | PL_doswitches = FALSE; /* -s is insecure in suid */ |
ae3f3efd | 4003 | /* PSz 13 Nov 03 But -s was caught elsewhere ... so unsetting it here is useless(?!) */ |
57843af0 | 4004 | CopLINE_inc(PL_curcop); |
2f9285f8 | 4005 | if (sv_gets(linestr_sv, rsfp, 0) == NULL) |
f8d2da62 | 4006 | Perl_croak(aTHX_ "No #! line"); |
009d90df | 4007 | linestr = SvPV_nolen_const(linestr_sv); |
f8d2da62 RGS |
4008 | /* required even on Sys V */ |
4009 | if (!*linestr || !linestr[1] || strnNE(linestr,"#!",2)) | |
cea2e8a9 | 4010 | Perl_croak(aTHX_ "No #! line"); |
f8d2da62 | 4011 | linestr += 2; |
dd720ed5 | 4012 | s = linestr; |
ae3f3efd PS |
4013 | /* PSz 27 Feb 04 */ |
4014 | /* Sanity check on line length */ | |
42d9b98d NC |
4015 | s_end = s + strlen(s); |
4016 | if (s_end == s || (s_end - s) > 4000) | |
ae3f3efd PS |
4017 | Perl_croak(aTHX_ "Very long #! line"); |
4018 | /* Allow more than a single space after #! */ | |
4019 | while (isSPACE(*s)) s++; | |
4020 | /* Sanity check on buffer end */ | |
4021 | while ((*s) && !isSPACE(*s)) s++; | |
dd720ed5 | 4022 | for (s2 = s; (s2 > linestr && |
3792a11b NC |
4023 | (isDIGIT(s2[-1]) || s2[-1] == '.' || s2[-1] == '_' |
4024 | || s2[-1] == '-')); s2--) ; | |
ae3f3efd | 4025 | /* Sanity check on buffer start */ |
dd720ed5 NC |
4026 | if ( (s2-4 < linestr || strnNE(s2-4,"perl",4)) && |
4027 | (s-9 < linestr || strnNE(s-9,"perl",4)) ) | |
cea2e8a9 | 4028 | Perl_croak(aTHX_ "Not a perl script"); |
a687059c | 4029 | while (*s == ' ' || *s == '\t') s++; |
13281fa4 LW |
4030 | /* |
4031 | * #! arg must be what we saw above. They can invoke it by | |
4032 | * mentioning suidperl explicitly, but they may not add any strange | |
4033 | * arguments beyond what #! says if they do invoke suidperl that way. | |
4034 | */ | |
ae3f3efd PS |
4035 | /* |
4036 | * The way validarg was set up, we rely on the kernel to start | |
4037 | * scripts with argv[1] set to contain all #! line switches (the | |
4038 | * whole line). | |
4039 | */ | |
4040 | /* | |
4041 | * Check that we got all the arguments listed in the #! line (not | |
4042 | * just that there are no extraneous arguments). Might not matter | |
4043 | * much, as switches from #! line seem to be acted upon (also), and | |
4044 | * so may be checked and trapped in perl. But, security checks must | |
4045 | * be done in suidperl and not deferred to perl. Note that suidperl | |
4046 | * does not get around to parsing (and checking) the switches on | |
4047 | * the #! line (but execs perl sooner). | |
4048 | * Allow (require) a trailing newline (which may be of two | |
4049 | * characters on some architectures?) (but no other trailing | |
4050 | * whitespace). | |
4051 | */ | |
13281fa4 LW |
4052 | len = strlen(validarg); |
4053 | if (strEQ(validarg," PHOOEY ") || | |
ae3f3efd | 4054 | strnNE(s,validarg,len) || !isSPACE(s[len]) || |
42d9b98d NC |
4055 | !((s_end - s) == len+1 |
4056 | || ((s_end - s) == len+2 && isSPACE(s[len+1])))) | |
cea2e8a9 | 4057 | Perl_croak(aTHX_ "Args must match #! line"); |
a687059c | 4058 | |
dcd07940 | 4059 | # ifndef IAMSUID |
fdf5d70d | 4060 | if (fdscript < 0 && |
ae3f3efd | 4061 | PL_euid != PL_uid && (PL_statbuf.st_mode & S_ISUID) && |
b28d0864 NIS |
4062 | PL_euid == PL_statbuf.st_uid) |
4063 | if (!PL_do_undump) | |
cea2e8a9 | 4064 | Perl_croak(aTHX_ "YOU HAVEN'T DISABLED SET-ID SCRIPTS IN THE KERNEL YET!\n\ |
11fb1898 | 4065 | FIX YOUR KERNEL, OR PUT A C WRAPPER AROUND THIS SCRIPT!\n"); |
dcd07940 | 4066 | # endif /* IAMSUID */ |
13281fa4 | 4067 | |
fdf5d70d | 4068 | if (fdscript < 0 && |
ae3f3efd PS |
4069 | PL_euid) { /* oops, we're not the setuid root perl */ |
4070 | /* PSz 18 Feb 04 | |
4071 | * When root runs a setuid script, we do not go through the same | |
4072 | * steps of execing sperl and then perl with fd scripts, but | |
4073 | * simply set up UIDs within the same perl invocation; so do | |
4074 | * not have the same checks (on options, whatever) that we have | |
4075 | * for plain users. No problem really: would have to be a script | |
4076 | * that does not actually work for plain users; and if root is | |
4077 | * foolish and can be persuaded to run such an unsafe script, he | |
4078 | * might run also non-setuid ones, and deserves what he gets. | |
4079 | * | |
4080 | * Or, we might drop the PL_euid check above (and rely just on | |
fdf5d70d | 4081 | * fdscript to avoid loops), and do the execs |
ae3f3efd PS |
4082 | * even for root. |
4083 | */ | |
dcd07940 | 4084 | # ifndef IAMSUID |
ae3f3efd PS |
4085 | int which; |
4086 | /* PSz 11 Nov 03 | |
4087 | * Pass fd script to suidperl. | |
4088 | * Exec suidperl, substituting fd script for scriptname. | |
4089 | * Pass script name as "subdir" of fd, which perl will grok; | |
4090 | * in fact will use that to distinguish this from "normal" | |
4091 | * usage, see comments above. | |
4092 | */ | |
2f9285f8 DM |
4093 | PerlIO_rewind(rsfp); |
4094 | PerlLIO_lseek(PerlIO_fileno(rsfp),(Off_t)0,0); /* just in case rewind didn't */ | |
ae3f3efd PS |
4095 | /* PSz 27 Feb 04 Sanity checks on scriptname */ |
4096 | if ((!scriptname) || (!*scriptname) ) { | |
4097 | Perl_croak(aTHX_ "No setuid script name\n"); | |
4098 | } | |
4099 | if (*scriptname == '-') { | |
4100 | Perl_croak(aTHX_ "Setuid script name may not begin with dash\n"); | |
4101 | /* Or we might confuse it with an option when replacing | |
4102 | * name in argument list, below (though we do pointer, not | |
4103 | * string, comparisons). | |
4104 | */ | |
4105 | } | |
4106 | for (which = 1; PL_origargv[which] && PL_origargv[which] != scriptname; which++) ; | |
4107 | if (!PL_origargv[which]) { | |
4108 | Perl_croak(aTHX_ "Can't change argv to have fd script\n"); | |
4109 | } | |
4110 | PL_origargv[which] = savepv(Perl_form(aTHX_ "/dev/fd/%d/%s", | |
2f9285f8 | 4111 | PerlIO_fileno(rsfp), PL_origargv[which])); |
dcd07940 | 4112 | # if defined(HAS_FCNTL) && defined(F_SETFD) |
2f9285f8 | 4113 | fcntl(PerlIO_fileno(rsfp),F_SETFD,0); /* ensure no close-on-exec */ |
dcd07940 | 4114 | # endif |
b35112e7 | 4115 | PERL_FPU_PRE_EXEC |
a7cb1f99 | 4116 | PerlProc_execv(Perl_form(aTHX_ "%s/sperl"PERL_FS_VER_FMT, BIN_EXP, |
273cf8d1 GS |
4117 | (int)PERL_REVISION, (int)PERL_VERSION, |
4118 | (int)PERL_SUBVERSION), PL_origargv); | |
b35112e7 | 4119 | PERL_FPU_POST_EXEC |
dcd07940 | 4120 | # endif /* IAMSUID */ |
ae3f3efd | 4121 | Perl_croak(aTHX_ "Can't do setuid (cannot exec sperl)\n"); |
13281fa4 LW |
4122 | } |
4123 | ||
b28d0864 | 4124 | if (PL_statbuf.st_mode & S_ISGID && PL_statbuf.st_gid != PL_egid) { |
ae3f3efd PS |
4125 | /* PSz 26 Feb 04 |
4126 | * This seems back to front: we try HAS_SETEGID first; if not available | |
4127 | * then try HAS_SETREGID; as a last chance we try HAS_SETRESGID. May be OK | |
4128 | * in the sense that we only want to set EGID; but are there any machines | |
4129 | * with either of the latter, but not the former? Same with UID, later. | |
4130 | */ | |
dcd07940 | 4131 | # ifdef HAS_SETEGID |
b28d0864 | 4132 | (void)setegid(PL_statbuf.st_gid); |
dcd07940 DM |
4133 | # else |
4134 | # ifdef HAS_SETREGID | |
b28d0864 | 4135 | (void)setregid((Gid_t)-1,PL_statbuf.st_gid); |
dcd07940 DM |
4136 | # else |
4137 | # ifdef HAS_SETRESGID | |
b28d0864 | 4138 | (void)setresgid((Gid_t)-1,PL_statbuf.st_gid,(Gid_t)-1); |
dcd07940 | 4139 | # else |
b28d0864 | 4140 | PerlProc_setgid(PL_statbuf.st_gid); |
dcd07940 DM |
4141 | # endif |
4142 | # endif | |
4143 | # endif | |
b28d0864 | 4144 | if (PerlProc_getegid() != PL_statbuf.st_gid) |
cea2e8a9 | 4145 | Perl_croak(aTHX_ "Can't do setegid!\n"); |
83025b21 | 4146 | } |
b28d0864 NIS |
4147 | if (PL_statbuf.st_mode & S_ISUID) { |
4148 | if (PL_statbuf.st_uid != PL_euid) | |
dcd07940 | 4149 | # ifdef HAS_SETEUID |
b28d0864 | 4150 | (void)seteuid(PL_statbuf.st_uid); /* all that for this */ |
dcd07940 DM |
4151 | # else |
4152 | # ifdef HAS_SETREUID | |
b28d0864 | 4153 | (void)setreuid((Uid_t)-1,PL_statbuf.st_uid); |
dcd07940 DM |
4154 | # else |
4155 | # ifdef HAS_SETRESUID | |
b28d0864 | 4156 | (void)setresuid((Uid_t)-1,PL_statbuf.st_uid,(Uid_t)-1); |
dcd07940 | 4157 | # else |
b28d0864 | 4158 | PerlProc_setuid(PL_statbuf.st_uid); |
dcd07940 DM |
4159 | # endif |
4160 | # endif | |
4161 | # endif | |
b28d0864 | 4162 | if (PerlProc_geteuid() != PL_statbuf.st_uid) |
cea2e8a9 | 4163 | Perl_croak(aTHX_ "Can't do seteuid!\n"); |
a687059c | 4164 | } |
b28d0864 | 4165 | else if (PL_uid) { /* oops, mustn't run as root */ |
dcd07940 | 4166 | # ifdef HAS_SETEUID |
b28d0864 | 4167 | (void)seteuid((Uid_t)PL_uid); |
dcd07940 DM |
4168 | # else |
4169 | # ifdef HAS_SETREUID | |
b28d0864 | 4170 | (void)setreuid((Uid_t)-1,(Uid_t)PL_uid); |
dcd07940 DM |
4171 | # else |
4172 | # ifdef HAS_SETRESUID | |
b28d0864 | 4173 | (void)setresuid((Uid_t)-1,(Uid_t)PL_uid,(Uid_t)-1); |
dcd07940 | 4174 | # else |
b28d0864 | 4175 | PerlProc_setuid((Uid_t)PL_uid); |
dcd07940 DM |
4176 | # endif |
4177 | # endif | |
4178 | # endif | |
b28d0864 | 4179 | if (PerlProc_geteuid() != PL_uid) |
cea2e8a9 | 4180 | Perl_croak(aTHX_ "Can't do seteuid!\n"); |
83025b21 | 4181 | } |
748a9306 | 4182 | init_ids(); |
b28d0864 | 4183 | if (!cando(S_IXUSR,TRUE,&PL_statbuf)) |
ae3f3efd | 4184 | Perl_croak(aTHX_ "Effective UID cannot exec script\n"); /* they can't do this */ |
13281fa4 | 4185 | } |
dcd07940 | 4186 | # ifdef IAMSUID |
ae3f3efd | 4187 | else if (PL_preprocess) /* PSz 13 Nov 03 Caught elsewhere, useless(?!) here */ |
cea2e8a9 | 4188 | Perl_croak(aTHX_ "-P not allowed for setuid/setgid script\n"); |
cdd8118e | 4189 | else if (fdscript < 0 || suidscript != 1) |
ae3f3efd PS |
4190 | /* PSz 13 Nov 03 Caught elsewhere, useless(?!) here */ |
4191 | Perl_croak(aTHX_ "(suid) fdscript needed in suidperl\n"); | |
e57400b1 | 4192 | else { |
ae3f3efd PS |
4193 | /* PSz 16 Sep 03 Keep neat error message */ |
4194 | Perl_croak(aTHX_ "Script is not setuid/setgid in suidperl\n"); | |
e57400b1 | 4195 | } |
96436eeb | 4196 | |
4197 | /* We absolutely must clear out any saved ids here, so we */ | |
4198 | /* exec the real perl, substituting fd script for scriptname. */ | |
4199 | /* (We pass script name as "subdir" of fd, which perl will grok.) */ | |
ae3f3efd PS |
4200 | /* |
4201 | * It might be thought that using setresgid and/or setresuid (changed to | |
4202 | * set the saved IDs) above might obviate the need to exec, and we could | |
4203 | * go on to "do the perl thing". | |
4204 | * | |
4205 | * Is there such a thing as "saved GID", and is that set for setuid (but | |
4206 | * not setgid) execution like suidperl? Without exec, it would not be | |
4207 | * cleared for setuid (but not setgid) scripts (or might need a dummy | |
4208 | * setresgid). | |
4209 | * | |
4210 | * We need suidperl to do the exact same argument checking that perl | |
4211 | * does. Thus it cannot be very small; while it could be significantly | |
4212 | * smaller, it is safer (simpler?) to make it essentially the same | |
4213 | * binary as perl (but they are not identical). - Maybe could defer that | |
4214 | * check to the invoked perl, and suidperl be a tiny wrapper instead; | |
4215 | * but prefer to do thorough checks in suidperl itself. Such deferral | |
4216 | * would make suidperl security rely on perl, a design no-no. | |
4217 | * | |
4218 | * Setuid things should be short and simple, thus easy to understand and | |
4219 | * verify. They should do their "own thing", without influence by | |
4220 | * attackers. It may help if their internal execution flow is fixed, | |
4221 | * regardless of platform: it may be best to exec anyway. | |
4222 | * | |
4223 | * Suidperl should at least be conceptually simple: a wrapper only, | |
4224 | * never to do any real perl. Maybe we should put | |
4225 | * #ifdef IAMSUID | |
4226 | * Perl_croak(aTHX_ "Suidperl should never do real perl\n"); | |
4227 | * #endif | |
4228 | * into the perly bits. | |
4229 | */ | |
2f9285f8 DM |
4230 | PerlIO_rewind(rsfp); |
4231 | PerlLIO_lseek(PerlIO_fileno(rsfp),(Off_t)0,0); /* just in case rewind didn't */ | |
ae3f3efd PS |
4232 | /* PSz 11 Nov 03 |
4233 | * Keep original arguments: suidperl already has fd script. | |
4234 | */ | |
4235 | /* for (which = 1; PL_origargv[which] && PL_origargv[which] != scriptname; which++) ; */ | |
4236 | /* if (!PL_origargv[which]) { */ | |
4237 | /* errno = EPERM; */ | |
4238 | /* Perl_croak(aTHX_ "Permission denied\n"); */ | |
4239 | /* } */ | |
4240 | /* PL_origargv[which] = savepv(Perl_form(aTHX_ "/dev/fd/%d/%s", */ | |
2f9285f8 | 4241 | /* PerlIO_fileno(rsfp), PL_origargv[which])); */ |
dcd07940 | 4242 | # if defined(HAS_FCNTL) && defined(F_SETFD) |
2f9285f8 | 4243 | fcntl(PerlIO_fileno(rsfp),F_SETFD,0); /* ensure no close-on-exec */ |
dcd07940 | 4244 | # endif |
b35112e7 | 4245 | PERL_FPU_PRE_EXEC |
a7cb1f99 | 4246 | PerlProc_execv(Perl_form(aTHX_ "%s/perl"PERL_FS_VER_FMT, BIN_EXP, |
273cf8d1 GS |
4247 | (int)PERL_REVISION, (int)PERL_VERSION, |
4248 | (int)PERL_SUBVERSION), PL_origargv);/* try again */ | |
b35112e7 | 4249 | PERL_FPU_POST_EXEC |
ae3f3efd | 4250 | Perl_croak(aTHX_ "Can't do setuid (suidperl cannot exec perl)\n"); |
dcd07940 | 4251 | # endif /* IAMSUID */ |
a687059c | 4252 | #else /* !DOSUID */ |
294a48e9 AL |
4253 | PERL_UNUSED_ARG(fdscript); |
4254 | PERL_UNUSED_ARG(suidscript); | |
3280af22 | 4255 | if (PL_euid != PL_uid || PL_egid != PL_gid) { /* (suidperl doesn't exist, in fact) */ |
dcd07940 | 4256 | # ifdef SETUID_SCRIPTS_ARE_SECURE_NOW |
72058571 | 4257 | PERL_UNUSED_ARG(rsfp); |
dcd07940 | 4258 | # else |
2f9285f8 | 4259 | PerlLIO_fstat(PerlIO_fileno(rsfp),&PL_statbuf); /* may be either wrapped or real suid */ |
b28d0864 | 4260 | if ((PL_euid != PL_uid && PL_euid == PL_statbuf.st_uid && PL_statbuf.st_mode & S_ISUID) |
a687059c | 4261 | || |
b28d0864 | 4262 | (PL_egid != PL_gid && PL_egid == PL_statbuf.st_gid && PL_statbuf.st_mode & S_ISGID) |
a687059c | 4263 | ) |
b28d0864 | 4264 | if (!PL_do_undump) |
cea2e8a9 | 4265 | Perl_croak(aTHX_ "YOU HAVEN'T DISABLED SET-ID SCRIPTS IN THE KERNEL YET!\n\ |
a687059c | 4266 | FIX YOUR KERNEL, PUT A C WRAPPER AROUND THIS SCRIPT, OR USE -u AND UNDUMP!\n"); |
dcd07940 | 4267 | # endif /* SETUID_SCRIPTS_ARE_SECURE_NOW */ |
a687059c | 4268 | /* not set-id, must be wrapped */ |
a687059c | 4269 | } |
13281fa4 | 4270 | #endif /* DOSUID */ |
294a48e9 AL |
4271 | PERL_UNUSED_ARG(validarg); |
4272 | PERL_UNUSED_ARG(scriptname); | |
e9e03e16 | 4273 | PERL_UNUSED_ARG(linestr_sv); |
79072805 | 4274 | } |
13281fa4 | 4275 | |
76e3520e | 4276 | STATIC void |
2f9285f8 | 4277 | S_find_beginning(pTHX_ SV* linestr_sv, PerlIO *rsfp) |
79072805 | 4278 | { |
97aff369 | 4279 | dVAR; |
c7030b81 | 4280 | const char *s; |
dd374669 | 4281 | register const char *s2; |
e55ac0fa HS |
4282 | #ifdef MACOS_TRADITIONAL |
4283 | int maclines = 0; | |
4284 | #endif | |
33b78306 LW |
4285 | |
4286 | /* skip forward in input to the real script? */ | |
4287 | ||
bf4acbe4 | 4288 | #ifdef MACOS_TRADITIONAL |
084592ab | 4289 | /* Since the Mac OS does not honor #! arguments for us, we do it ourselves */ |
ac27b0f5 | 4290 | |
bf4acbe4 | 4291 | while (PL_doextract || gMacPerl_AlwaysExtract) { |
2f9285f8 | 4292 | if ((s = sv_gets(linestr_sv, rsfp, 0)) == NULL) { |
bf4acbe4 GS |
4293 | if (!gMacPerl_AlwaysExtract) |
4294 | Perl_croak(aTHX_ "No Perl script found in input\n"); | |
e55ac0fa | 4295 | |
bf4acbe4 GS |
4296 | if (PL_doextract) /* require explicit override ? */ |
4297 | if (!OverrideExtract(PL_origfilename)) | |
4298 | Perl_croak(aTHX_ "User aborted script\n"); | |
4299 | else | |
4300 | PL_doextract = FALSE; | |
e55ac0fa | 4301 | |
bf4acbe4 | 4302 | /* Pater peccavi, file does not have #! */ |
2f9285f8 | 4303 | PerlIO_rewind(rsfp); |
e55ac0fa | 4304 | |
bf4acbe4 GS |
4305 | break; |
4306 | } | |
4307 | #else | |
3280af22 | 4308 | while (PL_doextract) { |
2f9285f8 | 4309 | if ((s = sv_gets(linestr_sv, rsfp, 0)) == NULL) |
cea2e8a9 | 4310 | Perl_croak(aTHX_ "No Perl script found in input\n"); |
bf4acbe4 | 4311 | #endif |
4f0c37ba IZ |
4312 | s2 = s; |
4313 | if (*s == '#' && s[1] == '!' && ((s = instr(s,"perl")) || (s = instr(s2,"PERL")))) { | |
2f9285f8 | 4314 | PerlIO_ungetc(rsfp, '\n'); /* to keep line count right */ |
3280af22 | 4315 | PL_doextract = FALSE; |
6e72f9df | 4316 | while (*s && !(isSPACE (*s) || *s == '#')) s++; |
4317 | s2 = s; | |
4318 | while (*s == ' ' || *s == '\t') s++; | |
4319 | if (*s++ == '-') { | |
3792a11b NC |
4320 | while (isDIGIT(s2[-1]) || s2[-1] == '-' || s2[-1] == '.' |
4321 | || s2[-1] == '_') s2--; | |
6e72f9df | 4322 | if (strnEQ(s2-4,"perl",4)) |
97bd5664 | 4323 | while ((s = moreswitches(s))) |
155aba94 | 4324 | ; |
33b78306 | 4325 | } |
95e8664e | 4326 | #ifdef MACOS_TRADITIONAL |
e55ac0fa HS |
4327 | /* We are always searching for the #!perl line in MacPerl, |
4328 | * so if we find it, still keep the line count correct | |
4329 | * by counting lines we already skipped over | |
4330 | */ | |
4331 | for (; maclines > 0 ; maclines--) | |
2f9285f8 | 4332 | PerlIO_ungetc(rsfp, '\n'); |
e55ac0fa | 4333 | |
95e8664e | 4334 | break; |
e55ac0fa HS |
4335 | |
4336 | /* gMacPerl_AlwaysExtract is false in MPW tool */ | |
4337 | } else if (gMacPerl_AlwaysExtract) { | |
4338 | ++maclines; | |
95e8664e | 4339 | #endif |
83025b21 LW |
4340 | } |
4341 | } | |
4342 | } | |
4343 | ||
afe37c7d | 4344 | |
76e3520e | 4345 | STATIC void |
cea2e8a9 | 4346 | S_init_ids(pTHX) |
352d5a3a | 4347 | { |
97aff369 | 4348 | dVAR; |
d8eceb89 JH |
4349 | PL_uid = PerlProc_getuid(); |
4350 | PL_euid = PerlProc_geteuid(); | |
4351 | PL_gid = PerlProc_getgid(); | |
4352 | PL_egid = PerlProc_getegid(); | |
748a9306 | 4353 | #ifdef VMS |
b28d0864 NIS |
4354 | PL_uid |= PL_gid << 16; |
4355 | PL_euid |= PL_egid << 16; | |
748a9306 | 4356 | #endif |
22f7c9c9 JH |
4357 | /* Should not happen: */ |
4358 | CHECK_MALLOC_TAINT(PL_uid && (PL_euid != PL_uid || PL_egid != PL_gid)); | |
3280af22 | 4359 | PL_tainting |= (PL_uid && (PL_euid != PL_uid || PL_egid != PL_gid)); |
ae3f3efd PS |
4360 | /* BUG */ |
4361 | /* PSz 27 Feb 04 | |
4362 | * Should go by suidscript, not uid!=euid: why disallow | |
4363 | * system("ls") in scripts run from setuid things? | |
4364 | * Or, is this run before we check arguments and set suidscript? | |
4365 | * What about SETUID_SCRIPTS_ARE_SECURE_NOW: could we use fdscript then? | |
4366 | * (We never have suidscript, can we be sure to have fdscript?) | |
4367 | * Or must then go by UID checks? See comments in forbid_setid also. | |
4368 | */ | |
748a9306 | 4369 | } |
79072805 | 4370 | |
a0643315 JH |
4371 | /* This is used very early in the lifetime of the program, |
4372 | * before even the options are parsed, so PL_tainting has | |
b0891165 | 4373 | * not been initialized properly. */ |
af419de7 | 4374 | bool |
8f42b153 | 4375 | Perl_doing_taint(int argc, char *argv[], char *envp[]) |
22f7c9c9 | 4376 | { |
c3446a78 JH |
4377 | #ifndef PERL_IMPLICIT_SYS |
4378 | /* If we have PERL_IMPLICIT_SYS we can't call getuid() et alia | |
4379 | * before we have an interpreter-- and the whole point of this | |
4380 | * function is to be called at such an early stage. If you are on | |
4381 | * a system with PERL_IMPLICIT_SYS but you do have a concept of | |
4382 | * "tainted because running with altered effective ids', you'll | |
4383 | * have to add your own checks somewhere in here. The two most | |
4384 | * known samples of 'implicitness' are Win32 and NetWare, neither | |
4385 | * of which has much of concept of 'uids'. */ | |
af419de7 | 4386 | int uid = PerlProc_getuid(); |
22f7c9c9 | 4387 | int euid = PerlProc_geteuid(); |
af419de7 | 4388 | int gid = PerlProc_getgid(); |
22f7c9c9 | 4389 | int egid = PerlProc_getegid(); |
6867be6d | 4390 | (void)envp; |
22f7c9c9 JH |
4391 | |
4392 | #ifdef VMS | |
af419de7 | 4393 | uid |= gid << 16; |
22f7c9c9 JH |
4394 | euid |= egid << 16; |
4395 | #endif | |
4396 | if (uid && (euid != uid || egid != gid)) | |
4397 | return 1; | |
c3446a78 | 4398 | #endif /* !PERL_IMPLICIT_SYS */ |
af419de7 JH |
4399 | /* This is a really primitive check; environment gets ignored only |
4400 | * if -T are the first chars together; otherwise one gets | |
4401 | * "Too late" message. */ | |
22f7c9c9 JH |
4402 | if ( argc > 1 && argv[1][0] == '-' |
4403 | && (argv[1][1] == 't' || argv[1][1] == 'T') ) | |
4404 | return 1; | |
4405 | return 0; | |
4406 | } | |
22f7c9c9 | 4407 | |
d0bafe7e NC |
4408 | /* Passing the flag as a single char rather than a string is a slight space |
4409 | optimisation. The only message that isn't /^-.$/ is | |
4410 | "program input from stdin", which is substituted in place of '\0', which | |
4411 | could never be a command line flag. */ | |
76e3520e | 4412 | STATIC void |
cdd8118e | 4413 | S_forbid_setid(pTHX_ const char flag, const int suidscript) |
bbce6d69 | 4414 | { |
97aff369 | 4415 | dVAR; |
d0bafe7e NC |
4416 | char string[3] = "-x"; |
4417 | const char *message = "program input from stdin"; | |
4418 | ||
4419 | if (flag) { | |
4420 | string[1] = flag; | |
4421 | message = string; | |
4422 | } | |
4423 | ||
ae3f3efd | 4424 | #ifdef SETUID_SCRIPTS_ARE_SECURE_NOW |
3280af22 | 4425 | if (PL_euid != PL_uid) |
d0bafe7e | 4426 | Perl_croak(aTHX_ "No %s allowed while running setuid", message); |
3280af22 | 4427 | if (PL_egid != PL_gid) |
d0bafe7e | 4428 | Perl_croak(aTHX_ "No %s allowed while running setgid", message); |
ae3f3efd PS |
4429 | #endif /* SETUID_SCRIPTS_ARE_SECURE_NOW */ |
4430 | /* PSz 29 Feb 04 | |
4431 | * Checks for UID/GID above "wrong": why disallow | |
4432 | * perl -e 'print "Hello\n"' | |
4433 | * from within setuid things?? Simply drop them: replaced by | |
4434 | * fdscript/suidscript and #ifdef IAMSUID checks below. | |
4435 | * | |
4436 | * This may be too late for command-line switches. Will catch those on | |
4437 | * the #! line, after finding the script name and setting up | |
4438 | * fdscript/suidscript. Note that suidperl does not get around to | |
4439 | * parsing (and checking) the switches on the #! line, but checks that | |
4440 | * the two sets are identical. | |
4441 | * | |
4442 | * With SETUID_SCRIPTS_ARE_SECURE_NOW, could we use fdscript, also or | |
4443 | * instead, or would that be "too late"? (We never have suidscript, can | |
4444 | * we be sure to have fdscript?) | |
4445 | * | |
4446 | * Catch things with suidscript (in descendant of suidperl), even with | |
4447 | * right UID/GID. Was already checked in suidperl, with #ifdef IAMSUID, | |
4448 | * below; but I am paranoid. | |
4449 | * | |
4450 | * Also see comments about root running a setuid script, elsewhere. | |
4451 | */ | |
cdd8118e | 4452 | if (suidscript >= 0) |
d0bafe7e | 4453 | Perl_croak(aTHX_ "No %s allowed with (suid) fdscript", message); |
ae3f3efd PS |
4454 | #ifdef IAMSUID |
4455 | /* PSz 11 Nov 03 Catch it in suidperl, always! */ | |
d0bafe7e | 4456 | Perl_croak(aTHX_ "No %s allowed in suidperl", message); |
ae3f3efd | 4457 | #endif /* IAMSUID */ |
bbce6d69 | 4458 | } |
4459 | ||
1ee4443e IZ |
4460 | void |
4461 | Perl_init_debugger(pTHX) | |
748a9306 | 4462 | { |
97aff369 | 4463 | dVAR; |
c4420975 | 4464 | HV * const ostash = PL_curstash; |
1ee4443e | 4465 | |
3280af22 | 4466 | PL_curstash = PL_debstash; |
5c1737d1 NC |
4467 | PL_dbargs = GvAV(gv_AVadd((gv_fetchpvs("DB::args", GV_ADDMULTI, |
4468 | SVt_PVAV)))); | |
3280af22 | 4469 | AvREAL_off(PL_dbargs); |
5c1737d1 NC |
4470 | PL_DBgv = gv_fetchpvs("DB::DB", GV_ADDMULTI, SVt_PVGV); |
4471 | PL_DBline = gv_fetchpvs("DB::dbline", GV_ADDMULTI, SVt_PVAV); | |
4472 | PL_DBsub = gv_HVadd(gv_fetchpvs("DB::sub", GV_ADDMULTI, SVt_PVHV)); | |
4473 | PL_DBsingle = GvSV((gv_fetchpvs("DB::single", GV_ADDMULTI, SVt_PV))); | |
ac27b0f5 | 4474 | sv_setiv(PL_DBsingle, 0); |
5c1737d1 | 4475 | PL_DBtrace = GvSV((gv_fetchpvs("DB::trace", GV_ADDMULTI, SVt_PV))); |
ac27b0f5 | 4476 | sv_setiv(PL_DBtrace, 0); |
5c1737d1 | 4477 | PL_DBsignal = GvSV((gv_fetchpvs("DB::signal", GV_ADDMULTI, SVt_PV))); |
ac27b0f5 | 4478 | sv_setiv(PL_DBsignal, 0); |
1ee4443e | 4479 | PL_curstash = ostash; |
352d5a3a LW |
4480 | } |
4481 | ||
2ce36478 SM |
4482 | #ifndef STRESS_REALLOC |
4483 | #define REASONABLE(size) (size) | |
4484 | #else | |
4485 | #define REASONABLE(size) (1) /* unreasonable */ | |
4486 | #endif | |
4487 | ||
11343788 | 4488 | void |
cea2e8a9 | 4489 | Perl_init_stacks(pTHX) |
79072805 | 4490 | { |
97aff369 | 4491 | dVAR; |
e336de0d | 4492 | /* start with 128-item stack and 8K cxstack */ |
3280af22 | 4493 | PL_curstackinfo = new_stackinfo(REASONABLE(128), |
e336de0d | 4494 | REASONABLE(8192/sizeof(PERL_CONTEXT) - 1)); |
3280af22 NIS |
4495 | PL_curstackinfo->si_type = PERLSI_MAIN; |
4496 | PL_curstack = PL_curstackinfo->si_stack; | |
4497 | PL_mainstack = PL_curstack; /* remember in case we switch stacks */ | |
79072805 | 4498 | |
3280af22 NIS |
4499 | PL_stack_base = AvARRAY(PL_curstack); |
4500 | PL_stack_sp = PL_stack_base; | |
4501 | PL_stack_max = PL_stack_base + AvMAX(PL_curstack); | |
8990e307 | 4502 | |
a02a5408 | 4503 | Newx(PL_tmps_stack,REASONABLE(128),SV*); |
3280af22 NIS |
4504 | PL_tmps_floor = -1; |
4505 | PL_tmps_ix = -1; | |
4506 | PL_tmps_max = REASONABLE(128); | |
8990e307 | 4507 | |
a02a5408 | 4508 | Newx(PL_markstack,REASONABLE(32),I32); |
3280af22 NIS |
4509 | PL_markstack_ptr = PL_markstack; |
4510 | PL_markstack_max = PL_markstack + REASONABLE(32); | |
79072805 | 4511 | |
ce2f7c3b | 4512 | SET_MARK_OFFSET; |
e336de0d | 4513 | |
a02a5408 | 4514 | Newx(PL_scopestack,REASONABLE(32),I32); |
3280af22 NIS |
4515 | PL_scopestack_ix = 0; |
4516 | PL_scopestack_max = REASONABLE(32); | |
79072805 | 4517 | |
a02a5408 | 4518 | Newx(PL_savestack,REASONABLE(128),ANY); |
3280af22 NIS |
4519 | PL_savestack_ix = 0; |
4520 | PL_savestack_max = REASONABLE(128); | |
378cc40b | 4521 | } |
33b78306 | 4522 | |
2ce36478 SM |
4523 | #undef REASONABLE |
4524 | ||
76e3520e | 4525 | STATIC void |
cea2e8a9 | 4526 | S_nuke_stacks(pTHX) |
6e72f9df | 4527 | { |
97aff369 | 4528 | dVAR; |
3280af22 NIS |
4529 | while (PL_curstackinfo->si_next) |
4530 | PL_curstackinfo = PL_curstackinfo->si_next; | |
4531 | while (PL_curstackinfo) { | |
4532 | PERL_SI *p = PL_curstackinfo->si_prev; | |
bac4b2ad | 4533 | /* curstackinfo->si_stack got nuked by sv_free_arenas() */ |
3280af22 NIS |
4534 | Safefree(PL_curstackinfo->si_cxstack); |
4535 | Safefree(PL_curstackinfo); | |
4536 | PL_curstackinfo = p; | |
e336de0d | 4537 | } |
3280af22 NIS |
4538 | Safefree(PL_tmps_stack); |
4539 | Safefree(PL_markstack); | |
4540 | Safefree(PL_scopestack); | |
4541 | Safefree(PL_savestack); | |
378cc40b | 4542 | } |
33b78306 | 4543 | |
8990e307 | 4544 | |
76e3520e | 4545 | STATIC void |
cea2e8a9 | 4546 | S_init_predump_symbols(pTHX) |
45d8adaa | 4547 | { |
97aff369 | 4548 | dVAR; |
93a17b20 | 4549 | GV *tmpgv; |
af8c498a | 4550 | IO *io; |
79072805 | 4551 | |
864dbfa3 | 4552 | sv_setpvn(get_sv("\"", TRUE), " ", 1); |
fafc274c | 4553 | PL_stdingv = gv_fetchpvs("STDIN", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
3280af22 | 4554 | GvMULTI_on(PL_stdingv); |
af8c498a | 4555 | io = GvIOp(PL_stdingv); |
a04651f4 | 4556 | IoTYPE(io) = IoTYPE_RDONLY; |
af8c498a | 4557 | IoIFP(io) = PerlIO_stdin(); |
fafc274c | 4558 | tmpgv = gv_fetchpvs("stdin", GV_ADD|GV_NOTQUAL, SVt_PV); |
a5f75d66 | 4559 | GvMULTI_on(tmpgv); |
b37c2d43 | 4560 | GvIOp(tmpgv) = (IO*)SvREFCNT_inc_simple(io); |
79072805 | 4561 | |
fafc274c | 4562 | tmpgv = gv_fetchpvs("STDOUT", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
a5f75d66 | 4563 | GvMULTI_on(tmpgv); |
af8c498a | 4564 | io = GvIOp(tmpgv); |
a04651f4 | 4565 | IoTYPE(io) = IoTYPE_WRONLY; |
af8c498a | 4566 | IoOFP(io) = IoIFP(io) = PerlIO_stdout(); |
4633a7c4 | 4567 | setdefout(tmpgv); |
fafc274c | 4568 | tmpgv = gv_fetchpvs("stdout", GV_ADD|GV_NOTQUAL, SVt_PV); |
a5f75d66 | 4569 | GvMULTI_on(tmpgv); |
b37c2d43 | 4570 | GvIOp(tmpgv) = (IO*)SvREFCNT_inc_simple(io); |
79072805 | 4571 | |
fafc274c | 4572 | PL_stderrgv = gv_fetchpvs("STDERR", GV_ADD|GV_NOTQUAL, SVt_PVIO); |
bf49b057 GS |
4573 | GvMULTI_on(PL_stderrgv); |
4574 | io = GvIOp(PL_stderrgv); | |
a04651f4 | 4575 | IoTYPE(io) = IoTYPE_WRONLY; |
af8c498a | 4576 | IoOFP(io) = IoIFP(io) = PerlIO_stderr(); |
fafc274c | 4577 | tmpgv = gv_fetchpvs("stderr", GV_ADD|GV_NOTQUAL, SVt_PV); |
a5f75d66 | 4578 | GvMULTI_on(tmpgv); |
b37c2d43 | 4579 | GvIOp(tmpgv) = (IO*)SvREFCNT_inc_simple(io); |
79072805 | 4580 | |
561b68a9 | 4581 | PL_statname = newSV(0); /* last filename we did stat on */ |
ab821d7f | 4582 | |
43c5f42d | 4583 | Safefree(PL_osname); |
bf4acbe4 | 4584 | PL_osname = savepv(OSNAME); |
79072805 | 4585 | } |
33b78306 | 4586 | |
a11ec5a9 | 4587 | void |
8f42b153 | 4588 | Perl_init_argv_symbols(pTHX_ register int argc, register char **argv) |
33b78306 | 4589 | { |
97aff369 | 4590 | dVAR; |
79072805 | 4591 | argc--,argv++; /* skip name of script */ |
3280af22 | 4592 | if (PL_doswitches) { |
79072805 | 4593 | for (; argc > 0 && **argv == '-'; argc--,argv++) { |
aec46f14 | 4594 | char *s; |
79072805 LW |
4595 | if (!argv[0][1]) |
4596 | break; | |
379d538a | 4597 | if (argv[0][1] == '-' && !argv[0][2]) { |
79072805 LW |
4598 | argc--,argv++; |
4599 | break; | |
4600 | } | |
155aba94 | 4601 | if ((s = strchr(argv[0], '='))) { |
b3d904f3 NC |
4602 | const char *const start_name = argv[0] + 1; |
4603 | sv_setpv(GvSV(gv_fetchpvn_flags(start_name, s - start_name, | |
4604 | TRUE, SVt_PV)), s + 1); | |
79072805 LW |
4605 | } |
4606 | else | |
71315bf2 | 4607 | sv_setiv(GvSV(gv_fetchpv(argv[0]+1, GV_ADD, SVt_PV)),1); |
fe14fcc3 | 4608 | } |
79072805 | 4609 | } |
fafc274c | 4610 | if ((PL_argvgv = gv_fetchpvs("ARGV", GV_ADD|GV_NOTQUAL, SVt_PVAV))) { |
a11ec5a9 RGS |
4611 | GvMULTI_on(PL_argvgv); |
4612 | (void)gv_AVadd(PL_argvgv); | |
4613 | av_clear(GvAVn(PL_argvgv)); | |
4614 | for (; argc > 0; argc--,argv++) { | |
aec46f14 | 4615 | SV * const sv = newSVpv(argv[0],0); |
a11ec5a9 | 4616 | av_push(GvAVn(PL_argvgv),sv); |
ce81ff12 JH |
4617 | if (!(PL_unicode & PERL_UNICODE_LOCALE_FLAG) || PL_utf8locale) { |
4618 | if (PL_unicode & PERL_UNICODE_ARGV_FLAG) | |
4619 | SvUTF8_on(sv); | |
4620 | } | |
a05d7ebb JH |
4621 | if (PL_unicode & PERL_UNICODE_WIDESYSCALLS_FLAG) /* Sarathy? */ |
4622 | (void)sv_utf8_decode(sv); | |
a11ec5a9 RGS |
4623 | } |
4624 | } | |
4625 | } | |
4626 | ||
4627 | STATIC void | |
4628 | S_init_postdump_symbols(pTHX_ register int argc, register char **argv, register char **env) | |
4629 | { | |
27da23d5 | 4630 | dVAR; |
a11ec5a9 | 4631 | GV* tmpgv; |
a11ec5a9 | 4632 | |
b9f83d2f | 4633 | PL_toptarget = newSV_type(SVt_PVFM); |
3280af22 | 4634 | sv_setpvn(PL_toptarget, "", 0); |
b9f83d2f | 4635 | PL_bodytarget = newSV_type(SVt_PVFM); |
3280af22 NIS |
4636 | sv_setpvn(PL_bodytarget, "", 0); |
4637 | PL_formtarget = PL_bodytarget; | |
79072805 | 4638 | |
bbce6d69 | 4639 | TAINT; |
a11ec5a9 RGS |
4640 | |
4641 | init_argv_symbols(argc,argv); | |
4642 | ||
fafc274c | 4643 | if ((tmpgv = gv_fetchpvs("0", GV_ADD|GV_NOTQUAL, SVt_PV))) { |
bf4acbe4 GS |
4644 | #ifdef MACOS_TRADITIONAL |
4645 | /* $0 is not majick on a Mac */ | |
4646 | sv_setpv(GvSV(tmpgv),MacPerl_MPWFileName(PL_origfilename)); | |
4647 | #else | |
3280af22 | 4648 | sv_setpv(GvSV(tmpgv),PL_origfilename); |
79072805 | 4649 | magicname("0", "0", 1); |
bf4acbe4 | 4650 | #endif |
79072805 | 4651 | } |
fafc274c | 4652 | if ((PL_envgv = gv_fetchpvs("ENV", GV_ADD|GV_NOTQUAL, SVt_PVHV))) { |
79072805 | 4653 | HV *hv; |
e17132c1 | 4654 | bool env_is_not_environ; |
3280af22 NIS |
4655 | GvMULTI_on(PL_envgv); |
4656 | hv = GvHVn(PL_envgv); | |
a0714e2c | 4657 | hv_magic(hv, NULL, PERL_MAGIC_env); |
2f42fcb0 | 4658 | #ifndef PERL_MICRO |
fa6a1c44 | 4659 | #ifdef USE_ENVIRON_ARRAY |
4633a7c4 LW |
4660 | /* Note that if the supplied env parameter is actually a copy |
4661 | of the global environ then it may now point to free'd memory | |
4662 | if the environment has been modified since. To avoid this | |
4663 | problem we treat env==NULL as meaning 'use the default' | |
4664 | */ | |
4665 | if (!env) | |
4666 | env = environ; | |
e17132c1 JD |
4667 | env_is_not_environ = env != environ; |
4668 | if (env_is_not_environ | |
4efc5df6 GS |
4669 | # ifdef USE_ITHREADS |
4670 | && PL_curinterp == aTHX | |
4671 | # endif | |
4672 | ) | |
4673 | { | |
bd61b366 | 4674 | environ[0] = NULL; |
4efc5df6 | 4675 | } |
9b4eeda5 | 4676 | if (env) { |
27da23d5 JH |
4677 | char *s; |
4678 | SV *sv; | |
764df951 | 4679 | for (; *env; env++) { |
9b4eeda5 | 4680 | if (!(s = strchr(*env,'=')) || s == *env) |
79072805 | 4681 | continue; |
7da0e383 | 4682 | #if defined(MSDOS) && !defined(DJGPP) |
61968511 | 4683 | *s = '\0'; |
137443ea | 4684 | (void)strupr(*env); |
61968511 | 4685 | *s = '='; |
137443ea | 4686 | #endif |
61968511 | 4687 | sv = newSVpv(s+1, 0); |
79072805 | 4688 | (void)hv_store(hv, *env, s - *env, sv, 0); |
e17132c1 | 4689 | if (env_is_not_environ) |
61968511 | 4690 | mg_set(sv); |
764df951 | 4691 | } |
9b4eeda5 | 4692 | } |
103a7189 | 4693 | #endif /* USE_ENVIRON_ARRAY */ |
2f42fcb0 | 4694 | #endif /* !PERL_MICRO */ |
79072805 | 4695 | } |
bbce6d69 | 4696 | TAINT_NOT; |
fafc274c | 4697 | if ((tmpgv = gv_fetchpvs("$", GV_ADD|GV_NOTQUAL, SVt_PV))) { |
306196c3 | 4698 | SvREADONLY_off(GvSV(tmpgv)); |
7766f137 | 4699 | sv_setiv(GvSV(tmpgv), (IV)PerlProc_getpid()); |
306196c3 MS |
4700 | SvREADONLY_on(GvSV(tmpgv)); |
4701 | } | |
4d76a344 RGS |
4702 | #ifdef THREADS_HAVE_PIDS |
4703 | PL_ppid = (IV)getppid(); | |
4704 | #endif | |
2710853f MJD |
4705 | |
4706 | /* touch @F array to prevent spurious warnings 20020415 MJD */ | |
4707 | if (PL_minus_a) { | |
4708 | (void) get_av("main::F", TRUE | GV_ADDMULTI); | |
4709 | } | |
33b78306 | 4710 | } |
34de22dd | 4711 | |
76e3520e | 4712 | STATIC void |
cea2e8a9 | 4713 | S_init_perllib(pTHX) |
34de22dd | 4714 | { |
97aff369 | 4715 | dVAR; |
85e6fe83 | 4716 | char *s; |
3280af22 | 4717 | if (!PL_tainting) { |
552a7a9b | 4718 | #ifndef VMS |
76e3520e | 4719 | s = PerlEnv_getenv("PERL5LIB"); |
88f5bc07 AB |
4720 | /* |
4721 | * It isn't possible to delete an environment variable with | |
42a3dd3a RGS |
4722 | * PERL_USE_SAFE_PUTENV set unless unsetenv() is also available, so in that |
4723 | * case we treat PERL5LIB as undefined if it has a zero-length value. | |
88f5bc07 AB |
4724 | */ |
4725 | #if defined(PERL_USE_SAFE_PUTENV) && ! defined(HAS_UNSETENV) | |
4726 | if (s && *s != '\0') | |
4727 | #else | |
85e6fe83 | 4728 | if (s) |
88f5bc07 | 4729 | #endif |
88fe16b2 | 4730 | incpush(s, TRUE, TRUE, TRUE, FALSE); |
85e6fe83 | 4731 | else |
88fe16b2 | 4732 | incpush(PerlEnv_getenv("PERLLIB"), FALSE, FALSE, TRUE, FALSE); |
552a7a9b | 4733 | #else /* VMS */ |
4734 | /* Treat PERL5?LIB as a possible search list logical name -- the | |
4735 | * "natural" VMS idiom for a Unix path string. We allow each | |
4736 | * element to be a set of |-separated directories for compatibility. | |
4737 | */ | |
4738 | char buf[256]; | |
4739 | int idx = 0; | |
4740 | if (my_trnlnm("PERL5LIB",buf,0)) | |
88fe16b2 | 4741 | do { incpush(buf,TRUE,TRUE,TRUE,FALSE); } while (my_trnlnm("PERL5LIB",buf,++idx)); |
552a7a9b | 4742 | else |
88fe16b2 | 4743 | while (my_trnlnm("PERLLIB",buf,idx++)) incpush(buf,FALSE,FALSE,TRUE,FALSE); |
552a7a9b | 4744 | #endif /* VMS */ |
85e6fe83 | 4745 | } |
34de22dd | 4746 | |
c90c0ff4 | 4747 | /* Use the ~-expanded versions of APPLLIB (undocumented), |
65f19062 | 4748 | ARCHLIB PRIVLIB SITEARCH SITELIB VENDORARCH and VENDORLIB |
df5cef82 | 4749 | */ |
4633a7c4 | 4750 | #ifdef APPLLIB_EXP |
88fe16b2 | 4751 | incpush(APPLLIB_EXP, TRUE, TRUE, TRUE, TRUE); |
16d20bd9 | 4752 | #endif |
4633a7c4 | 4753 | |
fed7345c | 4754 | #ifdef ARCHLIB_EXP |
88fe16b2 | 4755 | incpush(ARCHLIB_EXP, FALSE, FALSE, TRUE, TRUE); |
a0d0e21e | 4756 | #endif |
bf4acbe4 GS |
4757 | #ifdef MACOS_TRADITIONAL |
4758 | { | |
c623ac67 | 4759 | Stat_t tmpstatbuf; |
561b68a9 | 4760 | SV * privdir = newSV(0); |
bf4acbe4 GS |
4761 | char * macperl = PerlEnv_getenv("MACPERL"); |
4762 | ||
4763 | if (!macperl) | |
4764 | macperl = ""; | |
4765 | ||
4766 | Perl_sv_setpvf(aTHX_ privdir, "%slib:", macperl); | |
4767 | if (PerlLIO_stat(SvPVX(privdir), &tmpstatbuf) >= 0 && S_ISDIR(tmpstatbuf.st_mode)) | |
88fe16b2 | 4768 | incpush(SvPVX(privdir), TRUE, FALSE, TRUE, FALSE); |
bf4acbe4 GS |
4769 | Perl_sv_setpvf(aTHX_ privdir, "%ssite_perl:", macperl); |
4770 | if (PerlLIO_stat(SvPVX(privdir), &tmpstatbuf) >= 0 && S_ISDIR(tmpstatbuf.st_mode)) | |
88fe16b2 | 4771 | incpush(SvPVX(privdir), TRUE, FALSE, TRUE, FALSE); |
ac27b0f5 | 4772 | |
bf4acbe4 GS |
4773 | SvREFCNT_dec(privdir); |
4774 | } | |
4775 | if (!PL_tainting) | |
88fe16b2 | 4776 | incpush(":", FALSE, FALSE, TRUE, FALSE); |
bf4acbe4 | 4777 | #else |
fed7345c | 4778 | #ifndef PRIVLIB_EXP |
65f19062 | 4779 | # define PRIVLIB_EXP "/usr/local/lib/perl5:/usr/local/lib/perl" |
34de22dd | 4780 | #endif |
ac27b0f5 | 4781 | #if defined(WIN32) |
88fe16b2 | 4782 | incpush(PRIVLIB_EXP, TRUE, FALSE, TRUE, TRUE); |
00dc2f4f | 4783 | #else |
88fe16b2 | 4784 | incpush(PRIVLIB_EXP, FALSE, FALSE, TRUE, TRUE); |
00dc2f4f | 4785 | #endif |
4633a7c4 | 4786 | |
65f19062 | 4787 | #ifdef SITEARCH_EXP |
3b290362 GS |
4788 | /* sitearch is always relative to sitelib on Windows for |
4789 | * DLL-based path intuition to work correctly */ | |
4790 | # if !defined(WIN32) | |
88fe16b2 | 4791 | incpush(SITEARCH_EXP, FALSE, FALSE, TRUE, TRUE); |
65f19062 GS |
4792 | # endif |
4793 | #endif | |
4794 | ||
4633a7c4 | 4795 | #ifdef SITELIB_EXP |
65f19062 | 4796 | # if defined(WIN32) |
574c798a | 4797 | /* this picks up sitearch as well */ |
88fe16b2 | 4798 | incpush(SITELIB_EXP, TRUE, FALSE, TRUE, TRUE); |
65f19062 | 4799 | # else |
88fe16b2 | 4800 | incpush(SITELIB_EXP, FALSE, FALSE, TRUE, TRUE); |
65f19062 GS |
4801 | # endif |
4802 | #endif | |
189d1e8d | 4803 | |
c95d0e17 GA |
4804 | #if defined(SITELIB_STEM) && defined(PERL_INC_VERSION_LIST) |
4805 | /* Search for version-specific dirs below here */ | |
88fe16b2 | 4806 | incpush(SITELIB_STEM, FALSE, TRUE, TRUE, TRUE); |
81c6dfba | 4807 | #endif |
65f19062 GS |
4808 | |
4809 | #ifdef PERL_VENDORARCH_EXP | |
4ea817c6 | 4810 | /* vendorarch is always relative to vendorlib on Windows for |
3b290362 GS |
4811 | * DLL-based path intuition to work correctly */ |
4812 | # if !defined(WIN32) | |
88fe16b2 | 4813 | incpush(PERL_VENDORARCH_EXP, FALSE, FALSE, TRUE, TRUE); |
65f19062 | 4814 | # endif |
4b03c463 | 4815 | #endif |
65f19062 GS |
4816 | |
4817 | #ifdef PERL_VENDORLIB_EXP | |
4818 | # if defined(WIN32) | |
88fe16b2 | 4819 | incpush(PERL_VENDORLIB_EXP, TRUE, FALSE, TRUE, TRUE); /* this picks up vendorarch as well */ |
65f19062 | 4820 | # else |
88fe16b2 | 4821 | incpush(PERL_VENDORLIB_EXP, FALSE, FALSE, TRUE, TRUE); |
65f19062 | 4822 | # endif |
a3635516 | 4823 | #endif |
65f19062 GS |
4824 | |
4825 | #ifdef PERL_VENDORLIB_STEM /* Search for version-specific dirs below here */ | |
88fe16b2 | 4826 | incpush(PERL_VENDORLIB_STEM, FALSE, TRUE, TRUE, TRUE); |
00dc2f4f | 4827 | #endif |
65f19062 | 4828 | |
3b777bb4 | 4829 | #ifdef PERL_OTHERLIBDIRS |
88fe16b2 | 4830 | incpush(PERL_OTHERLIBDIRS, TRUE, TRUE, TRUE, TRUE); |
3b777bb4 GS |
4831 | #endif |
4832 | ||
3280af22 | 4833 | if (!PL_tainting) |
88fe16b2 | 4834 | incpush(".", FALSE, FALSE, TRUE, FALSE); |
bf4acbe4 | 4835 | #endif /* MACOS_TRADITIONAL */ |
774d564b | 4836 | } |
4837 | ||
a0fd4948 | 4838 | #if defined(DOSISH) || defined(EPOC) || defined(__SYMBIAN32__) |
774d564b | 4839 | # define PERLLIB_SEP ';' |
4840 | #else | |
4841 | # if defined(VMS) | |
4842 | # define PERLLIB_SEP '|' | |
4843 | # else | |
bf4acbe4 GS |
4844 | # if defined(MACOS_TRADITIONAL) |
4845 | # define PERLLIB_SEP ',' | |
4846 | # else | |
4847 | # define PERLLIB_SEP ':' | |
4848 | # endif | |
774d564b | 4849 | # endif |
4850 | #endif | |
4851 | #ifndef PERLLIB_MANGLE | |
4852 | # define PERLLIB_MANGLE(s,n) (s) | |
ac27b0f5 | 4853 | #endif |
774d564b | 4854 | |
ad17a1ae NC |
4855 | /* Push a directory onto @INC if it exists. |
4856 | Generate a new SV if we do this, to save needing to copy the SV we push | |
4857 | onto @INC */ | |
4858 | STATIC SV * | |
4859 | S_incpush_if_exists(pTHX_ SV *dir) | |
4860 | { | |
97aff369 | 4861 | dVAR; |
ad17a1ae | 4862 | Stat_t tmpstatbuf; |
848ef955 | 4863 | if (PerlLIO_stat(SvPVX_const(dir), &tmpstatbuf) >= 0 && |
ad17a1ae NC |
4864 | S_ISDIR(tmpstatbuf.st_mode)) { |
4865 | av_push(GvAVn(PL_incgv), dir); | |
561b68a9 | 4866 | dir = newSV(0); |
ad17a1ae NC |
4867 | } |
4868 | return dir; | |
4869 | } | |
4870 | ||
76e3520e | 4871 | STATIC void |
dd374669 AL |
4872 | S_incpush(pTHX_ const char *dir, bool addsubdirs, bool addoldvers, bool usesep, |
4873 | bool canrelocate) | |
774d564b | 4874 | { |
97aff369 | 4875 | dVAR; |
a0714e2c | 4876 | SV *subdir = NULL; |
dd374669 | 4877 | const char *p = dir; |
774d564b | 4878 | |
3b290362 | 4879 | if (!p || !*p) |
774d564b | 4880 | return; |
4881 | ||
9c8a64f0 | 4882 | if (addsubdirs || addoldvers) { |
561b68a9 | 4883 | subdir = newSV(0); |
774d564b | 4884 | } |
4885 | ||
4886 | /* Break at all separators */ | |
4887 | while (p && *p) { | |
561b68a9 | 4888 | SV *libdir = newSV(0); |
e1ec3a88 | 4889 | const char *s; |
774d564b | 4890 | |
4891 | /* skip any consecutive separators */ | |
574c798a SR |
4892 | if (usesep) { |
4893 | while ( *p == PERLLIB_SEP ) { | |
4894 | /* Uncomment the next line for PATH semantics */ | |
396482e1 | 4895 | /* av_push(GvAVn(PL_incgv), newSVpvs(".")); */ |
574c798a SR |
4896 | p++; |
4897 | } | |
774d564b | 4898 | } |
4899 | ||
bd61b366 | 4900 | if ( usesep && (s = strchr(p, PERLLIB_SEP)) != NULL ) { |
774d564b | 4901 | sv_setpvn(libdir, PERLLIB_MANGLE(p, (STRLEN)(s - p)), |
4902 | (STRLEN)(s - p)); | |
4903 | p = s + 1; | |
4904 | } | |
4905 | else { | |
4906 | sv_setpv(libdir, PERLLIB_MANGLE(p, 0)); | |
bd61b366 | 4907 | p = NULL; /* break out */ |
774d564b | 4908 | } |
bf4acbe4 | 4909 | #ifdef MACOS_TRADITIONAL |
e69a2255 JH |
4910 | if (!strchr(SvPVX(libdir), ':')) { |
4911 | char buf[256]; | |
4912 | ||
4913 | sv_setpv(libdir, MacPerl_CanonDir(SvPVX(libdir), buf, 0)); | |
4914 | } | |
bf4acbe4 | 4915 | if (SvPVX(libdir)[SvCUR(libdir)-1] != ':') |
396482e1 | 4916 | sv_catpvs(libdir, ":"); |
bf4acbe4 | 4917 | #endif |
774d564b | 4918 | |
dd374669 AL |
4919 | /* Do the if() outside the #ifdef to avoid warnings about an unused |
4920 | parameter. */ | |
4921 | if (canrelocate) { | |
88fe16b2 NC |
4922 | #ifdef PERL_RELOCATABLE_INC |
4923 | /* | |
4924 | * Relocatable include entries are marked with a leading .../ | |
4925 | * | |
4926 | * The algorithm is | |
4927 | * 0: Remove that leading ".../" | |
4928 | * 1: Remove trailing executable name (anything after the last '/') | |
4929 | * from the perl path to give a perl prefix | |
4930 | * Then | |
4931 | * While the @INC element starts "../" and the prefix ends with a real | |
4932 | * directory (ie not . or ..) chop that real directory off the prefix | |
4933 | * and the leading "../" from the @INC element. ie a logical "../" | |
4934 | * cleanup | |
4935 | * Finally concatenate the prefix and the remainder of the @INC element | |
4936 | * The intent is that /usr/local/bin/perl and .../../lib/perl5 | |
4937 | * generates /usr/local/lib/perl5 | |
4938 | */ | |
890ce7af | 4939 | const char *libpath = SvPVX(libdir); |
88fe16b2 NC |
4940 | STRLEN libpath_len = SvCUR(libdir); |
4941 | if (libpath_len >= 4 && memEQ (libpath, ".../", 4)) { | |
4942 | /* Game on! */ | |
890ce7af | 4943 | SV * const caret_X = get_sv("\030", 0); |
88fe16b2 NC |
4944 | /* Going to use the SV just as a scratch buffer holding a C |
4945 | string: */ | |
4946 | SV *prefix_sv; | |
4947 | char *prefix; | |
4948 | char *lastslash; | |
4949 | ||
4950 | /* $^X is *the* source of taint if tainting is on, hence | |
4951 | SvPOK() won't be true. */ | |
4952 | assert(caret_X); | |
4953 | assert(SvPOKp(caret_X)); | |
a663657d NC |
4954 | prefix_sv = newSVpvn_flags(SvPVX(caret_X), SvCUR(caret_X), |
4955 | SvUTF8(caret_X)); | |
88fe16b2 NC |
4956 | /* Firstly take off the leading .../ |
4957 | If all else fail we'll do the paths relative to the current | |
4958 | directory. */ | |
4959 | sv_chop(libdir, libpath + 4); | |
4960 | /* Don't use SvPV as we're intentionally bypassing taining, | |
4961 | mortal copies that the mg_get of tainting creates, and | |
4962 | corruption that seems to come via the save stack. | |
4963 | I guess that the save stack isn't correctly set up yet. */ | |
4964 | libpath = SvPVX(libdir); | |
4965 | libpath_len = SvCUR(libdir); | |
4966 | ||
4967 | /* This would work more efficiently with memrchr, but as it's | |
4968 | only a GNU extension we'd need to probe for it and | |
4969 | implement our own. Not hard, but maybe not worth it? */ | |
4970 | ||
4971 | prefix = SvPVX(prefix_sv); | |
4972 | lastslash = strrchr(prefix, '/'); | |
4973 | ||
4974 | /* First time in with the *lastslash = '\0' we just wipe off | |
4975 | the trailing /perl from (say) /usr/foo/bin/perl | |
4976 | */ | |
4977 | if (lastslash) { | |
4978 | SV *tempsv; | |
4979 | while ((*lastslash = '\0'), /* Do that, come what may. */ | |
4980 | (libpath_len >= 3 && memEQ(libpath, "../", 3) | |
4981 | && (lastslash = strrchr(prefix, '/')))) { | |
4982 | if (lastslash[1] == '\0' | |
4983 | || (lastslash[1] == '.' | |
4984 | && (lastslash[2] == '/' /* ends "/." */ | |
4985 | || (lastslash[2] == '/' | |
4986 | && lastslash[3] == '/' /* or "/.." */ | |
4987 | )))) { | |
4988 | /* Prefix ends "/" or "/." or "/..", any of which | |
4989 | are fishy, so don't do any more logical cleanup. | |
4990 | */ | |
4991 | break; | |
4992 | } | |
4993 | /* Remove leading "../" from path */ | |
4994 | libpath += 3; | |
4995 | libpath_len -= 3; | |
4996 | /* Next iteration round the loop removes the last | |
4997 | directory name from prefix by writing a '\0' in | |
4998 | the while clause. */ | |
4999 | } | |
5000 | /* prefix has been terminated with a '\0' to the correct | |
5001 | length. libpath points somewhere into the libdir SV. | |
5002 | We need to join the 2 with '/' and drop the result into | |
5003 | libdir. */ | |
5004 | tempsv = Perl_newSVpvf(aTHX_ "%s/%s", prefix, libpath); | |
5005 | SvREFCNT_dec(libdir); | |
5006 | /* And this is the new libdir. */ | |
5007 | libdir = tempsv; | |
5008 | if (PL_tainting && | |
5009 | (PL_uid != PL_euid || PL_gid != PL_egid)) { | |
5010 | /* Need to taint reloccated paths if running set ID */ | |
5011 | SvTAINTED_on(libdir); | |
5012 | } | |
5013 | } | |
5014 | SvREFCNT_dec(prefix_sv); | |
5015 | } | |
88fe16b2 | 5016 | #endif |
dd374669 | 5017 | } |
774d564b | 5018 | /* |
5019 | * BEFORE pushing libdir onto @INC we may first push version- and | |
5020 | * archname-specific sub-directories. | |
5021 | */ | |
9c8a64f0 | 5022 | if (addsubdirs || addoldvers) { |
29d82f8d | 5023 | #ifdef PERL_INC_VERSION_LIST |
8353b874 | 5024 | /* Configure terminates PERL_INC_VERSION_LIST with a NULL */ |
c4420975 AL |
5025 | const char * const incverlist[] = { PERL_INC_VERSION_LIST }; |
5026 | const char * const *incver; | |
29d82f8d | 5027 | #endif |
aa689395 | 5028 | #ifdef VMS |
5029 | char *unix; | |
5030 | STRLEN len; | |
774d564b | 5031 | |
bd61b366 | 5032 | if ((unix = tounixspec_ts(SvPV(libdir,len),NULL)) != NULL) { |
aa689395 | 5033 | len = strlen(unix); |
5034 | while (unix[len-1] == '/') len--; /* Cosmetic */ | |
5035 | sv_usepvn(libdir,unix,len); | |
5036 | } | |
5037 | else | |
bf49b057 | 5038 | PerlIO_printf(Perl_error_log, |
aa689395 | 5039 | "Failed to unixify @INC element \"%s\"\n", |
2d8e6c8d | 5040 | SvPV(libdir,len)); |
aa689395 | 5041 | #endif |
9c8a64f0 | 5042 | if (addsubdirs) { |
bf4acbe4 GS |
5043 | #ifdef MACOS_TRADITIONAL |
5044 | #define PERL_AV_SUFFIX_FMT "" | |
084592ab CN |
5045 | #define PERL_ARCH_FMT "%s:" |
5046 | #define PERL_ARCH_FMT_PATH PERL_FS_VER_FMT PERL_AV_SUFFIX_FMT | |
bf4acbe4 GS |
5047 | #else |
5048 | #define PERL_AV_SUFFIX_FMT "/" | |
5049 | #define PERL_ARCH_FMT "/%s" | |
084592ab | 5050 | #define PERL_ARCH_FMT_PATH PERL_AV_SUFFIX_FMT PERL_FS_VER_FMT |
bf4acbe4 | 5051 | #endif |
9c8a64f0 | 5052 | /* .../version/archname if -d .../version/archname */ |
084592ab | 5053 | Perl_sv_setpvf(aTHX_ subdir, "%"SVf PERL_ARCH_FMT_PATH PERL_ARCH_FMT, |
be2597df | 5054 | SVfARG(libdir), |
9c8a64f0 GS |
5055 | (int)PERL_REVISION, (int)PERL_VERSION, |
5056 | (int)PERL_SUBVERSION, ARCHNAME); | |
ad17a1ae | 5057 | subdir = S_incpush_if_exists(aTHX_ subdir); |
4b03c463 | 5058 | |
9c8a64f0 | 5059 | /* .../version if -d .../version */ |
95b63a38 | 5060 | Perl_sv_setpvf(aTHX_ subdir, "%"SVf PERL_ARCH_FMT_PATH, |
be2597df | 5061 | SVfARG(libdir), |
9c8a64f0 GS |
5062 | (int)PERL_REVISION, (int)PERL_VERSION, |
5063 | (int)PERL_SUBVERSION); | |
ad17a1ae | 5064 | subdir = S_incpush_if_exists(aTHX_ subdir); |
9c8a64f0 GS |
5065 | |
5066 | /* .../archname if -d .../archname */ | |
95b63a38 | 5067 | Perl_sv_setpvf(aTHX_ subdir, "%"SVf PERL_ARCH_FMT, |
be2597df | 5068 | SVfARG(libdir), ARCHNAME); |
ad17a1ae NC |
5069 | subdir = S_incpush_if_exists(aTHX_ subdir); |
5070 | ||
29d82f8d | 5071 | } |
9c8a64f0 | 5072 | |
9c8a64f0 | 5073 | #ifdef PERL_INC_VERSION_LIST |
ccc2aad8 | 5074 | if (addoldvers) { |
9c8a64f0 GS |
5075 | for (incver = incverlist; *incver; incver++) { |
5076 | /* .../xxx if -d .../xxx */ | |
be2597df MHM |
5077 | Perl_sv_setpvf(aTHX_ subdir, "%"SVf PERL_ARCH_FMT, |
5078 | SVfARG(libdir), *incver); | |
ad17a1ae | 5079 | subdir = S_incpush_if_exists(aTHX_ subdir); |
9c8a64f0 GS |
5080 | } |
5081 | } | |
29d82f8d | 5082 | #endif |
774d564b | 5083 | } |
5084 | ||
5085 | /* finally push this lib directory on the end of @INC */ | |
3280af22 | 5086 | av_push(GvAVn(PL_incgv), libdir); |
774d564b | 5087 | } |
ad17a1ae | 5088 | if (subdir) { |
ef97f5b3 | 5089 | assert (SvREFCNT(subdir) == 1); |
ad17a1ae NC |
5090 | SvREFCNT_dec(subdir); |
5091 | } | |
34de22dd | 5092 | } |
93a17b20 | 5093 | |
199100c8 | 5094 | |
93a17b20 | 5095 | void |
864dbfa3 | 5096 | Perl_call_list(pTHX_ I32 oldscope, AV *paramList) |
93a17b20 | 5097 | { |
27da23d5 | 5098 | dVAR; |
971a9dd3 | 5099 | SV *atsv; |
5f40764f | 5100 | volatile const line_t oldline = PL_curcop ? CopLINE(PL_curcop) : 0; |
312caa8e | 5101 | CV *cv; |
22921e25 | 5102 | STRLEN len; |
6224f72b | 5103 | int ret; |
db36c5a1 | 5104 | dJMPENV; |
93a17b20 | 5105 | |
e1ec3a88 | 5106 | while (av_len(paramList) >= 0) { |
312caa8e | 5107 | cv = (CV*)av_shift(paramList); |
ece599bd RGS |
5108 | if (PL_savebegin) { |
5109 | if (paramList == PL_beginav) { | |
059a8bb7 | 5110 | /* save PL_beginav for compiler */ |
29a861e7 | 5111 | Perl_av_create_and_push(aTHX_ &PL_beginav_save, (SV*)cv); |
ece599bd RGS |
5112 | } |
5113 | else if (paramList == PL_checkav) { | |
5114 | /* save PL_checkav for compiler */ | |
29a861e7 | 5115 | Perl_av_create_and_push(aTHX_ &PL_checkav_save, (SV*)cv); |
ece599bd | 5116 | } |
3c10abe3 AG |
5117 | else if (paramList == PL_unitcheckav) { |
5118 | /* save PL_unitcheckav for compiler */ | |
29a861e7 | 5119 | Perl_av_create_and_push(aTHX_ &PL_unitcheckav_save, (SV*)cv); |
3c10abe3 | 5120 | } |
059a8bb7 | 5121 | } else { |
81d86705 NC |
5122 | if (!PL_madskills) |
5123 | SAVEFREESV(cv); | |
059a8bb7 | 5124 | } |
14dd3ad8 | 5125 | JMPENV_PUSH(ret); |
6224f72b | 5126 | switch (ret) { |
312caa8e | 5127 | case 0: |
81d86705 NC |
5128 | #ifdef PERL_MAD |
5129 | if (PL_madskills) | |
5130 | PL_madskills |= 16384; | |
5131 | #endif | |
d6f07c05 | 5132 | CALL_LIST_BODY(cv); |
81d86705 NC |
5133 | #ifdef PERL_MAD |
5134 | if (PL_madskills) | |
5135 | PL_madskills &= ~16384; | |
5136 | #endif | |
971a9dd3 | 5137 | atsv = ERRSV; |
10516c54 | 5138 | (void)SvPV_const(atsv, len); |
312caa8e CS |
5139 | if (len) { |
5140 | PL_curcop = &PL_compiling; | |
57843af0 | 5141 | CopLINE_set(PL_curcop, oldline); |
312caa8e | 5142 | if (paramList == PL_beginav) |
396482e1 | 5143 | sv_catpvs(atsv, "BEGIN failed--compilation aborted"); |
312caa8e | 5144 | else |
4f25aa18 GS |
5145 | Perl_sv_catpvf(aTHX_ atsv, |
5146 | "%s failed--call queue aborted", | |
7d30b5c4 | 5147 | paramList == PL_checkav ? "CHECK" |
4f25aa18 | 5148 | : paramList == PL_initav ? "INIT" |
3c10abe3 | 5149 | : paramList == PL_unitcheckav ? "UNITCHECK" |
4f25aa18 | 5150 | : "END"); |
312caa8e CS |
5151 | while (PL_scopestack_ix > oldscope) |
5152 | LEAVE; | |
14dd3ad8 | 5153 | JMPENV_POP; |
be2597df | 5154 | Perl_croak(aTHX_ "%"SVf"", SVfARG(atsv)); |
a0d0e21e | 5155 | } |
85e6fe83 | 5156 | break; |
6224f72b | 5157 | case 1: |
f86702cc | 5158 | STATUS_ALL_FAILURE; |
85e6fe83 | 5159 | /* FALL THROUGH */ |
6224f72b | 5160 | case 2: |
85e6fe83 | 5161 | /* my_exit() was called */ |
3280af22 | 5162 | while (PL_scopestack_ix > oldscope) |
2ae324a7 | 5163 | LEAVE; |
84902520 | 5164 | FREETMPS; |
3280af22 | 5165 | PL_curstash = PL_defstash; |
3280af22 | 5166 | PL_curcop = &PL_compiling; |
57843af0 | 5167 | CopLINE_set(PL_curcop, oldline); |
14dd3ad8 | 5168 | JMPENV_POP; |
cc3604b1 | 5169 | if (PL_statusvalue && !(PL_exit_flags & PERL_EXIT_EXPECTED)) { |
3280af22 | 5170 | if (paramList == PL_beginav) |
cea2e8a9 | 5171 | Perl_croak(aTHX_ "BEGIN failed--compilation aborted"); |
85e6fe83 | 5172 | else |
4f25aa18 | 5173 | Perl_croak(aTHX_ "%s failed--call queue aborted", |
7d30b5c4 | 5174 | paramList == PL_checkav ? "CHECK" |
4f25aa18 | 5175 | : paramList == PL_initav ? "INIT" |
3c10abe3 | 5176 | : paramList == PL_unitcheckav ? "UNITCHECK" |
4f25aa18 | 5177 | : "END"); |
85e6fe83 | 5178 | } |
f86702cc | 5179 | my_exit_jump(); |
85e6fe83 | 5180 | /* NOTREACHED */ |
6224f72b | 5181 | case 3: |
312caa8e CS |
5182 | if (PL_restartop) { |
5183 | PL_curcop = &PL_compiling; | |
57843af0 | 5184 | CopLINE_set(PL_curcop, oldline); |
312caa8e | 5185 | JMPENV_JUMP(3); |
85e6fe83 | 5186 | } |
bf49b057 | 5187 | PerlIO_printf(Perl_error_log, "panic: restartop\n"); |
312caa8e CS |
5188 | FREETMPS; |
5189 | break; | |
8990e307 | 5190 | } |
14dd3ad8 | 5191 | JMPENV_POP; |
93a17b20 | 5192 | } |
93a17b20 | 5193 | } |
93a17b20 | 5194 | |
f86702cc | 5195 | void |
864dbfa3 | 5196 | Perl_my_exit(pTHX_ U32 status) |
f86702cc | 5197 | { |
97aff369 | 5198 | dVAR; |
8b73bbec | 5199 | DEBUG_S(PerlIO_printf(Perl_debug_log, "my_exit: thread %p, status %lu\n", |
6c9570dc | 5200 | (void*)thr, (unsigned long) status)); |
f86702cc | 5201 | switch (status) { |
5202 | case 0: | |
5203 | STATUS_ALL_SUCCESS; | |
5204 | break; | |
5205 | case 1: | |
5206 | STATUS_ALL_FAILURE; | |
5207 | break; | |
5208 | default: | |
6ac6a52b | 5209 | STATUS_EXIT_SET(status); |
f86702cc | 5210 | break; |
5211 | } | |
5212 | my_exit_jump(); | |
5213 | } | |
5214 | ||
5215 | void | |
864dbfa3 | 5216 | Perl_my_failure_exit(pTHX) |
f86702cc | 5217 | { |
97aff369 | 5218 | dVAR; |
f86702cc | 5219 | #ifdef VMS |
fb38d079 JM |
5220 | /* We have been called to fall on our sword. The desired exit code |
5221 | * should be already set in STATUS_UNIX, but could be shifted over | |
0968cdad JM |
5222 | * by 8 bits. STATUS_UNIX_EXIT_SET will handle the cases where a |
5223 | * that code is set. | |
fb38d079 JM |
5224 | * |
5225 | * If an error code has not been set, then force the issue. | |
5226 | */ | |
0968cdad JM |
5227 | if (MY_POSIX_EXIT) { |
5228 | ||
5229 | /* In POSIX_EXIT mode follow Perl documentations and use 255 for | |
5230 | * the exit code when there isn't an error. | |
5231 | */ | |
5232 | ||
5233 | if (STATUS_UNIX == 0) | |
5234 | STATUS_UNIX_EXIT_SET(255); | |
5235 | else { | |
5236 | STATUS_UNIX_EXIT_SET(STATUS_UNIX); | |
5237 | ||
5238 | /* The exit code could have been set by $? or vmsish which | |
5239 | * means that it may not be fatal. So convert | |
5240 | * success/warning codes to fatal. | |
5241 | */ | |
5242 | if ((STATUS_NATIVE & (STS$K_SEVERE|STS$K_ERROR)) == 0) | |
5243 | STATUS_UNIX_EXIT_SET(255); | |
5244 | } | |
5245 | } | |
5246 | else { | |
5247 | /* Traditionally Perl on VMS always expects a Fatal Error. */ | |
5248 | if (vaxc$errno & 1) { | |
5249 | ||
5250 | /* So force success status to failure */ | |
5251 | if (STATUS_NATIVE & 1) | |
5252 | STATUS_ALL_FAILURE; | |
5253 | } | |
5254 | else { | |
5255 | if (!vaxc$errno) { | |
5256 | STATUS_UNIX = EINTR; /* In case something cares */ | |
5257 | STATUS_ALL_FAILURE; | |
5258 | } | |
5259 | else { | |
5260 | int severity; | |
5261 | STATUS_NATIVE = vaxc$errno; /* Should already be this */ | |
5262 | ||
5263 | /* Encode the severity code */ | |
5264 | severity = STATUS_NATIVE & STS$M_SEVERITY; | |
5265 | STATUS_UNIX = (severity ? severity : 1) << 8; | |
5266 | ||
5267 | /* Perl expects this to be a fatal error */ | |
5268 | if (severity != STS$K_SEVERE) | |
5269 | STATUS_ALL_FAILURE; | |
5270 | } | |
5271 | } | |
5272 | } | |
fb38d079 | 5273 | |
f86702cc | 5274 | #else |
9b599b2a | 5275 | int exitstatus; |
f86702cc | 5276 | if (errno & 255) |
e5218da5 | 5277 | STATUS_UNIX_SET(errno); |
9b599b2a | 5278 | else { |
e5218da5 | 5279 | exitstatus = STATUS_UNIX >> 8; |
9b599b2a | 5280 | if (exitstatus & 255) |
e5218da5 | 5281 | STATUS_UNIX_SET(exitstatus); |
9b599b2a | 5282 | else |
e5218da5 | 5283 | STATUS_UNIX_SET(255); |
9b599b2a | 5284 | } |
f86702cc | 5285 | #endif |
5286 | my_exit_jump(); | |
93a17b20 LW |
5287 | } |
5288 | ||
76e3520e | 5289 | STATIC void |
cea2e8a9 | 5290 | S_my_exit_jump(pTHX) |
f86702cc | 5291 | { |
27da23d5 | 5292 | dVAR; |
f86702cc | 5293 | |
3280af22 NIS |
5294 | if (PL_e_script) { |
5295 | SvREFCNT_dec(PL_e_script); | |
a0714e2c | 5296 | PL_e_script = NULL; |
f86702cc | 5297 | } |
5298 | ||
3280af22 | 5299 | POPSTACK_TO(PL_mainstack); |
f97a0ef2 RH |
5300 | dounwind(-1); |
5301 | LEAVE_SCOPE(0); | |
ff0cee69 | 5302 | |
6224f72b | 5303 | JMPENV_JUMP(2); |
f86702cc | 5304 | } |
873ef191 | 5305 | |
0cb96387 | 5306 | static I32 |
acfe0abc | 5307 | read_e_script(pTHX_ int idx, SV *buf_sv, int maxlen) |
873ef191 | 5308 | { |
97aff369 | 5309 | dVAR; |
9d4ba2ae AL |
5310 | const char * const p = SvPVX_const(PL_e_script); |
5311 | const char *nl = strchr(p, '\n'); | |
5312 | ||
5313 | PERL_UNUSED_ARG(idx); | |
5314 | PERL_UNUSED_ARG(maxlen); | |
dd374669 | 5315 | |
3280af22 | 5316 | nl = (nl) ? nl+1 : SvEND(PL_e_script); |
7dfe3f66 | 5317 | if (nl-p == 0) { |
0cb96387 | 5318 | filter_del(read_e_script); |
873ef191 | 5319 | return 0; |
7dfe3f66 | 5320 | } |
873ef191 | 5321 | sv_catpvn(buf_sv, p, nl-p); |
3280af22 | 5322 | sv_chop(PL_e_script, nl); |
873ef191 GS |
5323 | return 1; |
5324 | } | |
66610fdd RGS |
5325 | |
5326 | /* | |
5327 | * Local variables: | |
5328 | * c-indentation-style: bsd | |
5329 | * c-basic-offset: 4 | |
5330 | * indent-tabs-mode: t | |
5331 | * End: | |
5332 | * | |
37442d52 RGS |
5333 | * ex: set ts=8 sts=4 sw=4 noet: |
5334 | */ |