Commit | Line | Data |
---|---|---|
a0d0e21e LW |
1 | /* perl.c |
2 | * | |
4bb101f2 | 3 | * Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 1999, |
770526c1 | 4 | * 2000, 2001, 2002, 2003, 2004, 2005, 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 | |
99 | #endif | |
100 | ||
5311654c JH |
101 | #ifdef __BEOS__ |
102 | # define HZ 1000000 | |
103 | #endif | |
104 | ||
105 | #ifndef HZ | |
106 | # ifdef CLK_TCK | |
107 | # define HZ CLK_TCK | |
108 | # else | |
109 | # define HZ 60 | |
110 | # endif | |
111 | #endif | |
112 | ||
7114a2d2 | 113 | #if !defined(STANDARD_C) && !defined(HAS_GETENV_PROTOTYPE) && !defined(PERL_MICRO) |
20ce7b12 | 114 | char *getenv (char *); /* Usually in <stdlib.h> */ |
54310121 | 115 | #endif |
116 | ||
acfe0abc | 117 | static I32 read_e_script(pTHX_ int idx, SV *buf_sv, int maxlen); |
0cb96387 | 118 | |
a687059c LW |
119 | #ifdef IAMSUID |
120 | #ifndef DOSUID | |
121 | #define DOSUID | |
122 | #endif | |
ae3f3efd | 123 | #endif /* IAMSUID */ |
378cc40b | 124 | |
a687059c LW |
125 | #ifdef SETUID_SCRIPTS_ARE_SECURE_NOW |
126 | #ifdef DOSUID | |
127 | #undef DOSUID | |
128 | #endif | |
129 | #endif | |
8d063cd8 | 130 | |
e6827a76 | 131 | static void |
daa7d858 | 132 | S_init_tls_and_interp(PerlInterpreter *my_perl) |
e6827a76 | 133 | { |
27da23d5 | 134 | dVAR; |
e6827a76 NC |
135 | if (!PL_curinterp) { |
136 | PERL_SET_INTERP(my_perl); | |
3db8f154 | 137 | #if defined(USE_ITHREADS) |
e6827a76 NC |
138 | INIT_THREADS; |
139 | ALLOC_THREAD_KEY; | |
140 | PERL_SET_THX(my_perl); | |
141 | OP_REFCNT_INIT; | |
142 | MUTEX_INIT(&PL_dollarzero_mutex); | |
06d86050 | 143 | # endif |
e6827a76 NC |
144 | } |
145 | else { | |
146 | PERL_SET_THX(my_perl); | |
147 | } | |
148 | } | |
06d86050 | 149 | |
32e30700 GS |
150 | #ifdef PERL_IMPLICIT_SYS |
151 | PerlInterpreter * | |
7766f137 GS |
152 | perl_alloc_using(struct IPerlMem* ipM, struct IPerlMem* ipMS, |
153 | struct IPerlMem* ipMP, struct IPerlEnv* ipE, | |
32e30700 GS |
154 | struct IPerlStdIO* ipStd, struct IPerlLIO* ipLIO, |
155 | struct IPerlDir* ipD, struct IPerlSock* ipS, | |
156 | struct IPerlProc* ipP) | |
157 | { | |
158 | PerlInterpreter *my_perl; | |
32e30700 GS |
159 | /* New() needs interpreter, so call malloc() instead */ |
160 | my_perl = (PerlInterpreter*)(*ipM->pMalloc)(ipM, sizeof(PerlInterpreter)); | |
e6827a76 | 161 | S_init_tls_and_interp(my_perl); |
32e30700 GS |
162 | Zero(my_perl, 1, PerlInterpreter); |
163 | PL_Mem = ipM; | |
7766f137 GS |
164 | PL_MemShared = ipMS; |
165 | PL_MemParse = ipMP; | |
32e30700 GS |
166 | PL_Env = ipE; |
167 | PL_StdIO = ipStd; | |
168 | PL_LIO = ipLIO; | |
169 | PL_Dir = ipD; | |
170 | PL_Sock = ipS; | |
171 | PL_Proc = ipP; | |
7766f137 | 172 | |
32e30700 GS |
173 | return my_perl; |
174 | } | |
175 | #else | |
954c1994 GS |
176 | |
177 | /* | |
ccfc67b7 JH |
178 | =head1 Embedding Functions |
179 | ||
954c1994 GS |
180 | =for apidoc perl_alloc |
181 | ||
182 | Allocates a new Perl interpreter. See L<perlembed>. | |
183 | ||
184 | =cut | |
185 | */ | |
186 | ||
93a17b20 | 187 | PerlInterpreter * |
cea2e8a9 | 188 | perl_alloc(void) |
79072805 | 189 | { |
cea2e8a9 | 190 | PerlInterpreter *my_perl; |
79072805 | 191 | |
54aff467 | 192 | /* New() needs interpreter, so call malloc() instead */ |
e8ee3774 | 193 | my_perl = (PerlInterpreter*)PerlMem_malloc(sizeof(PerlInterpreter)); |
ba869deb | 194 | |
e6827a76 | 195 | S_init_tls_and_interp(my_perl); |
07409e01 | 196 | return (PerlInterpreter *) ZeroD(my_perl, 1, PerlInterpreter); |
79072805 | 197 | } |
32e30700 | 198 | #endif /* PERL_IMPLICIT_SYS */ |
79072805 | 199 | |
954c1994 GS |
200 | /* |
201 | =for apidoc perl_construct | |
202 | ||
203 | Initializes a new Perl interpreter. See L<perlembed>. | |
204 | ||
205 | =cut | |
206 | */ | |
207 | ||
79072805 | 208 | void |
0cb96387 | 209 | perl_construct(pTHXx) |
79072805 | 210 | { |
27da23d5 | 211 | dVAR; |
8990e307 | 212 | #ifdef MULTIPLICITY |
54aff467 | 213 | init_interp(); |
ac27b0f5 | 214 | PL_perl_destruct_level = 1; |
54aff467 GS |
215 | #else |
216 | if (PL_perl_destruct_level > 0) | |
217 | init_interp(); | |
218 | #endif | |
33f46ff6 | 219 | /* Init the real globals (and main thread)? */ |
3280af22 | 220 | if (!PL_linestr) { |
2aea9f8a GS |
221 | PL_curcop = &PL_compiling; /* needed by ckWARN, right away */ |
222 | ||
3280af22 NIS |
223 | PL_linestr = NEWSV(65,79); |
224 | sv_upgrade(PL_linestr,SVt_PVIV); | |
79072805 | 225 | |
3280af22 | 226 | if (!SvREADONLY(&PL_sv_undef)) { |
d689ffdd JP |
227 | /* set read-only and try to insure than we wont see REFCNT==0 |
228 | very often */ | |
229 | ||
3280af22 NIS |
230 | SvREADONLY_on(&PL_sv_undef); |
231 | SvREFCNT(&PL_sv_undef) = (~(U32)0)/2; | |
79072805 | 232 | |
3280af22 | 233 | sv_setpv(&PL_sv_no,PL_No); |
0309f36e NC |
234 | /* value lookup in void context - happens to have the side effect |
235 | of caching the numeric forms. */ | |
236 | SvIV(&PL_sv_no); | |
3280af22 NIS |
237 | SvNV(&PL_sv_no); |
238 | SvREADONLY_on(&PL_sv_no); | |
239 | SvREFCNT(&PL_sv_no) = (~(U32)0)/2; | |
79072805 | 240 | |
3280af22 | 241 | sv_setpv(&PL_sv_yes,PL_Yes); |
0309f36e | 242 | SvIV(&PL_sv_yes); |
3280af22 NIS |
243 | SvNV(&PL_sv_yes); |
244 | SvREADONLY_on(&PL_sv_yes); | |
245 | SvREFCNT(&PL_sv_yes) = (~(U32)0)/2; | |
7996736c MHM |
246 | |
247 | SvREADONLY_on(&PL_sv_placeholder); | |
248 | SvREFCNT(&PL_sv_placeholder) = (~(U32)0)/2; | |
6e72f9df | 249 | } |
79072805 | 250 | |
cea2e8a9 | 251 | PL_sighandlerp = Perl_sighandler; |
3280af22 | 252 | PL_pidstatus = newHV(); |
79072805 LW |
253 | } |
254 | ||
8bfdd7d9 | 255 | PL_rs = newSVpvn("\n", 1); |
dc92893f | 256 | |
cea2e8a9 | 257 | init_stacks(); |
79072805 | 258 | |
748a9306 | 259 | init_ids(); |
3280af22 | 260 | PL_lex_state = LEX_NOTPARSING; |
a5f75d66 | 261 | |
312caa8e | 262 | JMPENV_BOOTSTRAP; |
f86702cc | 263 | STATUS_ALL_SUCCESS; |
264 | ||
0672f40e | 265 | init_i18nl10n(1); |
36477c24 | 266 | SET_NUMERIC_STANDARD(); |
0b5b802d | 267 | |
ab821d7f | 268 | #if defined(LOCAL_PATCH_COUNT) |
3280af22 | 269 | PL_localpatches = local_patches; /* For possible -v */ |
ab821d7f | 270 | #endif |
271 | ||
52853b95 GS |
272 | #ifdef HAVE_INTERP_INTERN |
273 | sys_intern_init(); | |
274 | #endif | |
275 | ||
3a1ee7e8 | 276 | PerlIO_init(aTHX); /* Hook to IO system */ |
760ac839 | 277 | |
3280af22 NIS |
278 | PL_fdpid = newAV(); /* for remembering popen pids by fd */ |
279 | PL_modglobal = newHV(); /* pointers to per-interpreter module globals */ | |
24944567 | 280 | PL_errors = newSVpvn("",0); |
48c6b404 | 281 | sv_setpvn(PERL_DEBUG_PAD(0), "", 0); /* For regex debugging. */ |
1f483ca1 JH |
282 | sv_setpvn(PERL_DEBUG_PAD(1), "", 0); /* ext/re needs these */ |
283 | sv_setpvn(PERL_DEBUG_PAD(2), "", 0); /* even without DEBUGGING. */ | |
1fcf4c12 | 284 | #ifdef USE_ITHREADS |
13137afc AB |
285 | PL_regex_padav = newAV(); |
286 | av_push(PL_regex_padav,(SV*)newAV()); /* First entry is an array of empty elements */ | |
287 | PL_regex_pad = AvARRAY(PL_regex_padav); | |
1fcf4c12 | 288 | #endif |
e5dd39fc | 289 | #ifdef USE_REENTRANT_API |
59bd0823 | 290 | Perl_reentrant_init(aTHX); |
e5dd39fc | 291 | #endif |
3d47000e AB |
292 | |
293 | /* Note that strtab is a rather special HV. Assumptions are made | |
294 | about not iterating on it, and not adding tie magic to it. | |
295 | It is properly deallocated in perl_destruct() */ | |
296 | PL_strtab = newHV(); | |
297 | ||
3d47000e AB |
298 | HvSHAREKEYS_off(PL_strtab); /* mandatory */ |
299 | hv_ksplit(PL_strtab, 512); | |
300 | ||
0631ea03 AB |
301 | #if defined(__DYNAMIC__) && (defined(NeXT) || defined(__NeXT__)) |
302 | _dyld_lookup_and_bind | |
303 | ("__environ", (unsigned long *) &environ_pointer, NULL); | |
304 | #endif /* environ */ | |
305 | ||
2f42fcb0 JH |
306 | #ifndef PERL_MICRO |
307 | # ifdef USE_ENVIRON_ARRAY | |
0631ea03 | 308 | PL_origenviron = environ; |
2f42fcb0 | 309 | # endif |
0631ea03 AB |
310 | #endif |
311 | ||
5311654c | 312 | /* Use sysconf(_SC_CLK_TCK) if available, if not |
dbc1d986 | 313 | * available or if the sysconf() fails, use the HZ. |
27da23d5 JH |
314 | * BeOS has those, but returns the wrong value. |
315 | * The HZ if not originally defined has been by now | |
316 | * been defined as CLK_TCK, if available. */ | |
dbc1d986 | 317 | #if defined(HAS_SYSCONF) && defined(_SC_CLK_TCK) && !defined(__BEOS__) |
5311654c JH |
318 | PL_clocktick = sysconf(_SC_CLK_TCK); |
319 | if (PL_clocktick <= 0) | |
320 | #endif | |
321 | PL_clocktick = HZ; | |
322 | ||
081fc587 AB |
323 | PL_stashcache = newHV(); |
324 | ||
d7aa5382 JP |
325 | PL_patchlevel = newSVpv( |
326 | Perl_form(aTHX_ "%d.%d.%d", | |
327 | (int)PERL_REVISION, | |
328 | (int)PERL_VERSION, | |
329 | (int)PERL_SUBVERSION ), 0 | |
330 | ); | |
331 | ||
27da23d5 JH |
332 | #ifdef HAS_MMAP |
333 | if (!PL_mmap_page_size) { | |
334 | #if defined(HAS_SYSCONF) && (defined(_SC_PAGESIZE) || defined(_SC_MMAP_PAGE_SIZE)) | |
335 | { | |
336 | SETERRNO(0, SS_NORMAL); | |
337 | # ifdef _SC_PAGESIZE | |
338 | PL_mmap_page_size = sysconf(_SC_PAGESIZE); | |
339 | # else | |
340 | PL_mmap_page_size = sysconf(_SC_MMAP_PAGE_SIZE); | |
341 | # endif | |
342 | if ((long) PL_mmap_page_size < 0) { | |
343 | if (errno) { | |
344 | SV *error = ERRSV; | |
27da23d5 | 345 | (void) SvUPGRADE(error, SVt_PV); |
0510663f | 346 | Perl_croak(aTHX_ "panic: sysconf: %s", SvPV_nolen_const(error)); |
27da23d5 JH |
347 | } |
348 | else | |
349 | Perl_croak(aTHX_ "panic: sysconf: pagesize unknown"); | |
350 | } | |
351 | } | |
352 | #else | |
353 | # ifdef HAS_GETPAGESIZE | |
354 | PL_mmap_page_size = getpagesize(); | |
355 | # else | |
356 | # if defined(I_SYS_PARAM) && defined(PAGESIZE) | |
357 | PL_mmap_page_size = PAGESIZE; /* compiletime, bad */ | |
358 | # endif | |
359 | # endif | |
360 | #endif | |
361 | if (PL_mmap_page_size <= 0) | |
362 | Perl_croak(aTHX_ "panic: bad pagesize %" IVdf, | |
363 | (IV) PL_mmap_page_size); | |
364 | } | |
365 | #endif /* HAS_MMAP */ | |
366 | ||
367 | #if defined(HAS_TIMES) && defined(PERL_NEED_TIMESBASE) | |
368 | PL_timesbase.tms_utime = 0; | |
369 | PL_timesbase.tms_stime = 0; | |
370 | PL_timesbase.tms_cutime = 0; | |
371 | PL_timesbase.tms_cstime = 0; | |
372 | #endif | |
373 | ||
8990e307 | 374 | ENTER; |
79072805 LW |
375 | } |
376 | ||
954c1994 | 377 | /* |
62375a60 NIS |
378 | =for apidoc nothreadhook |
379 | ||
380 | Stub that provides thread hook for perl_destruct when there are | |
381 | no threads. | |
382 | ||
383 | =cut | |
384 | */ | |
385 | ||
386 | int | |
4e9e3734 | 387 | Perl_nothreadhook(pTHX) |
62375a60 NIS |
388 | { |
389 | return 0; | |
390 | } | |
391 | ||
392 | /* | |
954c1994 GS |
393 | =for apidoc perl_destruct |
394 | ||
395 | Shuts down a Perl interpreter. See L<perlembed>. | |
396 | ||
397 | =cut | |
398 | */ | |
399 | ||
31d77e54 | 400 | int |
0cb96387 | 401 | perl_destruct(pTHXx) |
79072805 | 402 | { |
27da23d5 | 403 | dVAR; |
7c474504 | 404 | volatile int destruct_level; /* 0=none, 1=full, 2=full with checks */ |
a0d0e21e | 405 | HV *hv; |
2aa47728 NC |
406 | #ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP |
407 | int sock; | |
408 | pid_t child; | |
409 | #endif | |
8990e307 | 410 | |
7766f137 GS |
411 | /* wait for all pseudo-forked children to finish */ |
412 | PERL_WAIT_FOR_CHILDREN; | |
413 | ||
3280af22 | 414 | destruct_level = PL_perl_destruct_level; |
4633a7c4 LW |
415 | #ifdef DEBUGGING |
416 | { | |
b7787f18 | 417 | const char *s; |
155aba94 | 418 | if ((s = PerlEnv_getenv("PERL_DESTRUCT_LEVEL"))) { |
e1ec3a88 | 419 | const int i = atoi(s); |
5f05dabc | 420 | if (destruct_level < i) |
421 | destruct_level = i; | |
422 | } | |
4633a7c4 LW |
423 | } |
424 | #endif | |
425 | ||
27da23d5 | 426 | if (PL_exit_flags & PERL_EXIT_DESTRUCT_END) { |
f3faeb53 AB |
427 | dJMPENV; |
428 | int x = 0; | |
429 | ||
430 | JMPENV_PUSH(x); | |
431 | if (PL_endav && !PL_minus_c) | |
432 | call_list(PL_scopestack_ix, PL_endav); | |
433 | JMPENV_POP; | |
26f423df | 434 | } |
f3faeb53 | 435 | LEAVE; |
a0d0e21e LW |
436 | FREETMPS; |
437 | ||
e00b64d4 | 438 | /* Need to flush since END blocks can produce output */ |
f13a2bc0 | 439 | my_fflush_all(); |
e00b64d4 | 440 | |
62375a60 NIS |
441 | if (CALL_FPTR(PL_threadhook)(aTHX)) { |
442 | /* Threads hook has vetoed further cleanup */ | |
b47cad08 | 443 | return STATUS_NATIVE_EXPORT; |
62375a60 NIS |
444 | } |
445 | ||
2aa47728 NC |
446 | #ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP |
447 | if (destruct_level != 0) { | |
448 | /* Fork here to create a child. Our child's job is to preserve the | |
449 | state of scalars prior to destruction, so that we can instruct it | |
450 | to dump any scalars that we later find have leaked. | |
451 | There's no subtlety in this code - it assumes POSIX, and it doesn't | |
452 | fail gracefully */ | |
453 | int fd[2]; | |
454 | ||
455 | if(socketpair(AF_UNIX, SOCK_STREAM, 0, fd)) { | |
456 | perror("Debug leaking scalars socketpair failed"); | |
457 | abort(); | |
458 | } | |
459 | ||
460 | child = fork(); | |
461 | if(child == -1) { | |
462 | perror("Debug leaking scalars fork failed"); | |
463 | abort(); | |
464 | } | |
465 | if (!child) { | |
466 | /* We are the child */ | |
467 | close(fd[0]); | |
468 | sock = fd[1]; | |
469 | ||
470 | while (1) { | |
471 | SV *target; | |
472 | ssize_t got = read(sock, &target, sizeof(target)); | |
473 | ||
474 | if(got == 0) | |
475 | break; | |
476 | if(got < 0) { | |
477 | perror("Debug leaking scalars child read failed"); | |
478 | abort(); | |
479 | } | |
480 | if(got < sizeof(target)) { | |
481 | perror("Debug leaking scalars child short read"); | |
482 | abort(); | |
483 | } | |
484 | sv_dump(target); | |
485 | PerlIO_flush(Perl_debug_log); | |
486 | ||
487 | /* Write something back as synchronisation. */ | |
488 | got = write(sock, &target, sizeof(target)); | |
489 | ||
490 | if(got < 0) { | |
491 | perror("Debug leaking scalars child write failed"); | |
492 | abort(); | |
493 | } | |
494 | if(got < sizeof(target)) { | |
495 | perror("Debug leaking scalars child short write"); | |
496 | abort(); | |
497 | } | |
498 | } | |
499 | _exit(0); | |
500 | } | |
501 | sock = fd[0]; | |
502 | close(fd[1]); | |
503 | } | |
504 | #endif | |
505 | ||
ff0cee69 | 506 | /* We must account for everything. */ |
507 | ||
508 | /* Destroy the main CV and syntax tree */ | |
3280af22 | 509 | if (PL_main_root) { |
4e380990 DM |
510 | /* ensure comppad/curpad to refer to main's pad */ |
511 | if (CvPADLIST(PL_main_cv)) { | |
512 | PAD_SET_CUR_NOSAVE(CvPADLIST(PL_main_cv), 1); | |
513 | } | |
3280af22 NIS |
514 | op_free(PL_main_root); |
515 | PL_main_root = Nullop; | |
a0d0e21e | 516 | } |
3280af22 NIS |
517 | PL_curcop = &PL_compiling; |
518 | PL_main_start = Nullop; | |
519 | SvREFCNT_dec(PL_main_cv); | |
520 | PL_main_cv = Nullcv; | |
24d3c518 | 521 | PL_dirty = TRUE; |
ff0cee69 | 522 | |
13621cfb NIS |
523 | /* Tell PerlIO we are about to tear things apart in case |
524 | we have layers which are using resources that should | |
525 | be cleaned up now. | |
526 | */ | |
527 | ||
528 | PerlIO_destruct(aTHX); | |
529 | ||
3280af22 | 530 | if (PL_sv_objcount) { |
a0d0e21e LW |
531 | /* |
532 | * Try to destruct global references. We do this first so that the | |
533 | * destructors and destructees still exist. Some sv's might remain. | |
534 | * Non-referenced objects are on their own. | |
535 | */ | |
a0d0e21e | 536 | sv_clean_objs(); |
bf9cdc68 | 537 | PL_sv_objcount = 0; |
8990e307 LW |
538 | } |
539 | ||
5cd24f17 | 540 | /* unhook hooks which will soon be, or use, destroyed data */ |
3280af22 NIS |
541 | SvREFCNT_dec(PL_warnhook); |
542 | PL_warnhook = Nullsv; | |
543 | SvREFCNT_dec(PL_diehook); | |
544 | PL_diehook = Nullsv; | |
5cd24f17 | 545 | |
4b556e6c | 546 | /* call exit list functions */ |
3280af22 | 547 | while (PL_exitlistlen-- > 0) |
acfe0abc | 548 | PL_exitlist[PL_exitlistlen].fn(aTHX_ PL_exitlist[PL_exitlistlen].ptr); |
4b556e6c | 549 | |
3280af22 | 550 | Safefree(PL_exitlist); |
4b556e6c | 551 | |
1c4916e5 CB |
552 | PL_exitlist = NULL; |
553 | PL_exitlistlen = 0; | |
554 | ||
a0d0e21e | 555 | if (destruct_level == 0){ |
8990e307 | 556 | |
a0d0e21e | 557 | DEBUG_P(debprofdump()); |
ac27b0f5 | 558 | |
56a2bab7 NIS |
559 | #if defined(PERLIO_LAYERS) |
560 | /* No more IO - including error messages ! */ | |
561 | PerlIO_cleanup(aTHX); | |
562 | #endif | |
563 | ||
a0d0e21e | 564 | /* The exit() function will do everything that needs doing. */ |
b47cad08 | 565 | return STATUS_NATIVE_EXPORT; |
a0d0e21e | 566 | } |
5dd60ef7 | 567 | |
551a8b83 | 568 | /* jettison our possibly duplicated environment */ |
4b647fb0 DM |
569 | /* if PERL_USE_SAFE_PUTENV is defined environ will not have been copied |
570 | * so we certainly shouldn't free it here | |
571 | */ | |
2f42fcb0 | 572 | #ifndef PERL_MICRO |
4b647fb0 | 573 | #if defined(USE_ENVIRON_ARRAY) && !defined(PERL_USE_SAFE_PUTENV) |
50acdf95 | 574 | if (environ != PL_origenviron && !PL_use_safe_putenv |
4efc5df6 GS |
575 | #ifdef USE_ITHREADS |
576 | /* only main thread can free environ[0] contents */ | |
577 | && PL_curinterp == aTHX | |
578 | #endif | |
579 | ) | |
580 | { | |
551a8b83 JH |
581 | I32 i; |
582 | ||
583 | for (i = 0; environ[i]; i++) | |
4b420006 | 584 | safesysfree(environ[i]); |
0631ea03 | 585 | |
4b420006 JH |
586 | /* Must use safesysfree() when working with environ. */ |
587 | safesysfree(environ); | |
551a8b83 JH |
588 | |
589 | environ = PL_origenviron; | |
590 | } | |
591 | #endif | |
2f42fcb0 | 592 | #endif /* !PERL_MICRO */ |
551a8b83 | 593 | |
804ffa60 DM |
594 | /* reset so print() ends up where we expect */ |
595 | setdefout(Nullgv); | |
596 | ||
5f8cb046 DM |
597 | #ifdef USE_ITHREADS |
598 | /* the syntax tree is shared between clones | |
599 | * so op_free(PL_main_root) only ReREFCNT_dec's | |
600 | * REGEXPs in the parent interpreter | |
601 | * we need to manually ReREFCNT_dec for the clones | |
602 | */ | |
603 | { | |
604 | I32 i = AvFILLp(PL_regex_padav) + 1; | |
605 | SV **ary = AvARRAY(PL_regex_padav); | |
606 | ||
607 | while (i) { | |
35061a7e | 608 | SV *resv = ary[--i]; |
35061a7e DM |
609 | |
610 | if (SvFLAGS(resv) & SVf_BREAK) { | |
577e12cc | 611 | /* this is PL_reg_curpm, already freed |
35061a7e DM |
612 | * flag is set in regexec.c:S_regtry |
613 | */ | |
614 | SvFLAGS(resv) &= ~SVf_BREAK; | |
3a1ee7e8 | 615 | } |
1cc8b4c5 AB |
616 | else if(SvREPADTMP(resv)) { |
617 | SvREPADTMP_off(resv); | |
618 | } | |
a560f29b NC |
619 | else if(SvIOKp(resv)) { |
620 | REGEXP *re = INT2PTR(REGEXP *,SvIVX(resv)); | |
5f8cb046 DM |
621 | ReREFCNT_dec(re); |
622 | } | |
623 | } | |
624 | } | |
625 | SvREFCNT_dec(PL_regex_padav); | |
626 | PL_regex_padav = Nullav; | |
627 | PL_regex_pad = NULL; | |
628 | #endif | |
629 | ||
081fc587 AB |
630 | SvREFCNT_dec((SV*) PL_stashcache); |
631 | PL_stashcache = NULL; | |
632 | ||
5f05dabc | 633 | /* loosen bonds of global variables */ |
634 | ||
3280af22 NIS |
635 | if(PL_rsfp) { |
636 | (void)PerlIO_close(PL_rsfp); | |
637 | PL_rsfp = Nullfp; | |
8ebc5c01 | 638 | } |
639 | ||
640 | /* Filters for program text */ | |
3280af22 NIS |
641 | SvREFCNT_dec(PL_rsfp_filters); |
642 | PL_rsfp_filters = Nullav; | |
8ebc5c01 | 643 | |
644 | /* switches */ | |
3280af22 NIS |
645 | PL_preprocess = FALSE; |
646 | PL_minus_n = FALSE; | |
647 | PL_minus_p = FALSE; | |
648 | PL_minus_l = FALSE; | |
649 | PL_minus_a = FALSE; | |
650 | PL_minus_F = FALSE; | |
651 | PL_doswitches = FALSE; | |
599cee73 | 652 | PL_dowarn = G_WARN_OFF; |
3280af22 NIS |
653 | PL_doextract = FALSE; |
654 | PL_sawampersand = FALSE; /* must save all match strings */ | |
3280af22 NIS |
655 | PL_unsafe = FALSE; |
656 | ||
657 | Safefree(PL_inplace); | |
658 | PL_inplace = Nullch; | |
a7cb1f99 | 659 | SvREFCNT_dec(PL_patchlevel); |
3280af22 NIS |
660 | |
661 | if (PL_e_script) { | |
662 | SvREFCNT_dec(PL_e_script); | |
663 | PL_e_script = Nullsv; | |
8ebc5c01 | 664 | } |
665 | ||
bf9cdc68 RG |
666 | PL_perldb = 0; |
667 | ||
8ebc5c01 | 668 | /* magical thingies */ |
669 | ||
7889fe52 NIS |
670 | SvREFCNT_dec(PL_ofs_sv); /* $, */ |
671 | PL_ofs_sv = Nullsv; | |
5f05dabc | 672 | |
7889fe52 NIS |
673 | SvREFCNT_dec(PL_ors_sv); /* $\ */ |
674 | PL_ors_sv = Nullsv; | |
8ebc5c01 | 675 | |
3280af22 NIS |
676 | SvREFCNT_dec(PL_rs); /* $/ */ |
677 | PL_rs = Nullsv; | |
dc92893f | 678 | |
d33b2eba GS |
679 | PL_multiline = 0; /* $* */ |
680 | Safefree(PL_osname); /* $^O */ | |
681 | PL_osname = Nullch; | |
5f05dabc | 682 | |
3280af22 NIS |
683 | SvREFCNT_dec(PL_statname); |
684 | PL_statname = Nullsv; | |
685 | PL_statgv = Nullgv; | |
5f05dabc | 686 | |
8ebc5c01 | 687 | /* defgv, aka *_ should be taken care of elsewhere */ |
688 | ||
8ebc5c01 | 689 | /* clean up after study() */ |
3280af22 NIS |
690 | SvREFCNT_dec(PL_lastscream); |
691 | PL_lastscream = Nullsv; | |
692 | Safefree(PL_screamfirst); | |
693 | PL_screamfirst = 0; | |
694 | Safefree(PL_screamnext); | |
695 | PL_screamnext = 0; | |
8ebc5c01 | 696 | |
7d5ea4e7 GS |
697 | /* float buffer */ |
698 | Safefree(PL_efloatbuf); | |
699 | PL_efloatbuf = Nullch; | |
700 | PL_efloatsize = 0; | |
701 | ||
8ebc5c01 | 702 | /* startup and shutdown function lists */ |
3280af22 | 703 | SvREFCNT_dec(PL_beginav); |
5a837c8f | 704 | SvREFCNT_dec(PL_beginav_save); |
3280af22 | 705 | SvREFCNT_dec(PL_endav); |
7d30b5c4 | 706 | SvREFCNT_dec(PL_checkav); |
ece599bd | 707 | SvREFCNT_dec(PL_checkav_save); |
3280af22 NIS |
708 | SvREFCNT_dec(PL_initav); |
709 | PL_beginav = Nullav; | |
5a837c8f | 710 | PL_beginav_save = Nullav; |
3280af22 | 711 | PL_endav = Nullav; |
7d30b5c4 | 712 | PL_checkav = Nullav; |
ece599bd | 713 | PL_checkav_save = Nullav; |
3280af22 | 714 | PL_initav = Nullav; |
5618dfe8 | 715 | |
8ebc5c01 | 716 | /* shortcuts just get cleared */ |
3280af22 | 717 | PL_envgv = Nullgv; |
3280af22 NIS |
718 | PL_incgv = Nullgv; |
719 | PL_hintgv = Nullgv; | |
720 | PL_errgv = Nullgv; | |
721 | PL_argvgv = Nullgv; | |
722 | PL_argvoutgv = Nullgv; | |
723 | PL_stdingv = Nullgv; | |
bf49b057 | 724 | PL_stderrgv = Nullgv; |
3280af22 NIS |
725 | PL_last_in_gv = Nullgv; |
726 | PL_replgv = Nullgv; | |
bf9cdc68 RG |
727 | PL_DBgv = Nullgv; |
728 | PL_DBline = Nullgv; | |
729 | PL_DBsub = Nullgv; | |
730 | PL_DBsingle = Nullsv; | |
731 | PL_DBtrace = Nullsv; | |
732 | PL_DBsignal = Nullsv; | |
733 | PL_DBassertion = Nullsv; | |
734 | PL_DBcv = Nullcv; | |
735 | PL_dbargs = Nullav; | |
5c831c24 | 736 | PL_debstash = Nullhv; |
8ebc5c01 | 737 | |
7a1c5554 GS |
738 | SvREFCNT_dec(PL_argvout_stack); |
739 | PL_argvout_stack = Nullav; | |
8ebc5c01 | 740 | |
5c831c24 GS |
741 | SvREFCNT_dec(PL_modglobal); |
742 | PL_modglobal = Nullhv; | |
743 | SvREFCNT_dec(PL_preambleav); | |
744 | PL_preambleav = Nullav; | |
745 | SvREFCNT_dec(PL_subname); | |
746 | PL_subname = Nullsv; | |
747 | SvREFCNT_dec(PL_linestr); | |
748 | PL_linestr = Nullsv; | |
749 | SvREFCNT_dec(PL_pidstatus); | |
750 | PL_pidstatus = Nullhv; | |
751 | SvREFCNT_dec(PL_toptarget); | |
752 | PL_toptarget = Nullsv; | |
753 | SvREFCNT_dec(PL_bodytarget); | |
754 | PL_bodytarget = Nullsv; | |
755 | PL_formtarget = Nullsv; | |
756 | ||
d33b2eba | 757 | /* free locale stuff */ |
b9582b6a | 758 | #ifdef USE_LOCALE_COLLATE |
d33b2eba GS |
759 | Safefree(PL_collation_name); |
760 | PL_collation_name = Nullch; | |
b9582b6a | 761 | #endif |
d33b2eba | 762 | |
b9582b6a | 763 | #ifdef USE_LOCALE_NUMERIC |
d33b2eba GS |
764 | Safefree(PL_numeric_name); |
765 | PL_numeric_name = Nullch; | |
a453c169 | 766 | SvREFCNT_dec(PL_numeric_radix_sv); |
bf9cdc68 | 767 | PL_numeric_radix_sv = Nullsv; |
b9582b6a | 768 | #endif |
d33b2eba | 769 | |
5c831c24 GS |
770 | /* clear utf8 character classes */ |
771 | SvREFCNT_dec(PL_utf8_alnum); | |
772 | SvREFCNT_dec(PL_utf8_alnumc); | |
773 | SvREFCNT_dec(PL_utf8_ascii); | |
774 | SvREFCNT_dec(PL_utf8_alpha); | |
775 | SvREFCNT_dec(PL_utf8_space); | |
776 | SvREFCNT_dec(PL_utf8_cntrl); | |
777 | SvREFCNT_dec(PL_utf8_graph); | |
778 | SvREFCNT_dec(PL_utf8_digit); | |
779 | SvREFCNT_dec(PL_utf8_upper); | |
780 | SvREFCNT_dec(PL_utf8_lower); | |
781 | SvREFCNT_dec(PL_utf8_print); | |
782 | SvREFCNT_dec(PL_utf8_punct); | |
783 | SvREFCNT_dec(PL_utf8_xdigit); | |
784 | SvREFCNT_dec(PL_utf8_mark); | |
785 | SvREFCNT_dec(PL_utf8_toupper); | |
4dbdbdc2 | 786 | SvREFCNT_dec(PL_utf8_totitle); |
5c831c24 | 787 | SvREFCNT_dec(PL_utf8_tolower); |
b4e400f9 | 788 | SvREFCNT_dec(PL_utf8_tofold); |
82686b01 JH |
789 | SvREFCNT_dec(PL_utf8_idstart); |
790 | SvREFCNT_dec(PL_utf8_idcont); | |
5c831c24 GS |
791 | PL_utf8_alnum = Nullsv; |
792 | PL_utf8_alnumc = Nullsv; | |
793 | PL_utf8_ascii = Nullsv; | |
794 | PL_utf8_alpha = Nullsv; | |
795 | PL_utf8_space = Nullsv; | |
796 | PL_utf8_cntrl = Nullsv; | |
797 | PL_utf8_graph = Nullsv; | |
798 | PL_utf8_digit = Nullsv; | |
799 | PL_utf8_upper = Nullsv; | |
800 | PL_utf8_lower = Nullsv; | |
801 | PL_utf8_print = Nullsv; | |
802 | PL_utf8_punct = Nullsv; | |
803 | PL_utf8_xdigit = Nullsv; | |
804 | PL_utf8_mark = Nullsv; | |
805 | PL_utf8_toupper = Nullsv; | |
806 | PL_utf8_totitle = Nullsv; | |
807 | PL_utf8_tolower = Nullsv; | |
b4e400f9 | 808 | PL_utf8_tofold = Nullsv; |
82686b01 JH |
809 | PL_utf8_idstart = Nullsv; |
810 | PL_utf8_idcont = Nullsv; | |
5c831c24 | 811 | |
971a9dd3 GS |
812 | if (!specialWARN(PL_compiling.cop_warnings)) |
813 | SvREFCNT_dec(PL_compiling.cop_warnings); | |
5c831c24 | 814 | PL_compiling.cop_warnings = Nullsv; |
ac27b0f5 NIS |
815 | if (!specialCopIO(PL_compiling.cop_io)) |
816 | SvREFCNT_dec(PL_compiling.cop_io); | |
817 | PL_compiling.cop_io = Nullsv; | |
05ec9bb3 NIS |
818 | CopFILE_free(&PL_compiling); |
819 | CopSTASH_free(&PL_compiling); | |
5c831c24 | 820 | |
a0d0e21e | 821 | /* Prepare to destruct main symbol table. */ |
5f05dabc | 822 | |
3280af22 NIS |
823 | hv = PL_defstash; |
824 | PL_defstash = 0; | |
a0d0e21e | 825 | SvREFCNT_dec(hv); |
5c831c24 GS |
826 | SvREFCNT_dec(PL_curstname); |
827 | PL_curstname = Nullsv; | |
a0d0e21e | 828 | |
5a844595 GS |
829 | /* clear queued errors */ |
830 | SvREFCNT_dec(PL_errors); | |
831 | PL_errors = Nullsv; | |
832 | ||
a0d0e21e | 833 | FREETMPS; |
0453d815 | 834 | if (destruct_level >= 2 && ckWARN_d(WARN_INTERNAL)) { |
3280af22 | 835 | if (PL_scopestack_ix != 0) |
9014280d | 836 | Perl_warner(aTHX_ packWARN(WARN_INTERNAL), |
0453d815 | 837 | "Unbalanced scopes: %ld more ENTERs than LEAVEs\n", |
3280af22 NIS |
838 | (long)PL_scopestack_ix); |
839 | if (PL_savestack_ix != 0) | |
9014280d | 840 | Perl_warner(aTHX_ packWARN(WARN_INTERNAL), |
0453d815 | 841 | "Unbalanced saves: %ld more saves than restores\n", |
3280af22 NIS |
842 | (long)PL_savestack_ix); |
843 | if (PL_tmps_floor != -1) | |
9014280d | 844 | Perl_warner(aTHX_ packWARN(WARN_INTERNAL),"Unbalanced tmps: %ld more allocs than frees\n", |
3280af22 | 845 | (long)PL_tmps_floor + 1); |
a0d0e21e | 846 | if (cxstack_ix != -1) |
9014280d | 847 | Perl_warner(aTHX_ packWARN(WARN_INTERNAL),"Unbalanced context: %ld more PUSHes than POPs\n", |
ff0cee69 | 848 | (long)cxstack_ix + 1); |
a0d0e21e | 849 | } |
8990e307 LW |
850 | |
851 | /* Now absolutely destruct everything, somehow or other, loops or no. */ | |
d33b2eba | 852 | SvFLAGS(PL_fdpid) |= SVTYPEMASK; /* don't clean out pid table now */ |
3280af22 | 853 | SvFLAGS(PL_strtab) |= SVTYPEMASK; /* don't clean out strtab now */ |
5226ed68 JH |
854 | |
855 | /* the 2 is for PL_fdpid and PL_strtab */ | |
856 | while (PL_sv_count > 2 && sv_clean_all()) | |
857 | ; | |
858 | ||
d33b2eba GS |
859 | SvFLAGS(PL_fdpid) &= ~SVTYPEMASK; |
860 | SvFLAGS(PL_fdpid) |= SVt_PVAV; | |
3280af22 NIS |
861 | SvFLAGS(PL_strtab) &= ~SVTYPEMASK; |
862 | SvFLAGS(PL_strtab) |= SVt_PVHV; | |
d33b2eba | 863 | |
d4777f27 GS |
864 | AvREAL_off(PL_fdpid); /* no surviving entries */ |
865 | SvREFCNT_dec(PL_fdpid); /* needed in io_close() */ | |
d33b2eba GS |
866 | PL_fdpid = Nullav; |
867 | ||
6c644e78 GS |
868 | #ifdef HAVE_INTERP_INTERN |
869 | sys_intern_clear(); | |
870 | #endif | |
871 | ||
6e72f9df | 872 | /* Destruct the global string table. */ |
873 | { | |
874 | /* Yell and reset the HeVAL() slots that are still holding refcounts, | |
875 | * so that sv_free() won't fail on them. | |
80459961 NC |
876 | * Now that the global string table is using a single hunk of memory |
877 | * for both HE and HEK, we either need to explicitly unshare it the | |
878 | * correct way, or actually free things here. | |
6e72f9df | 879 | */ |
80459961 NC |
880 | I32 riter = 0; |
881 | const I32 max = HvMAX(PL_strtab); | |
882 | HE **array = HvARRAY(PL_strtab); | |
883 | HE *hent = array[0]; | |
884 | ||
6e72f9df | 885 | for (;;) { |
0453d815 | 886 | if (hent && ckWARN_d(WARN_INTERNAL)) { |
80459961 | 887 | HE *next = HeNEXT(hent); |
9014280d | 888 | Perl_warner(aTHX_ packWARN(WARN_INTERNAL), |
0453d815 | 889 | "Unbalanced string table refcount: (%d) for \"%s\"", |
6e72f9df | 890 | HeVAL(hent) - Nullsv, HeKEY(hent)); |
80459961 NC |
891 | Safefree(hent); |
892 | hent = next; | |
6e72f9df | 893 | } |
894 | if (!hent) { | |
895 | if (++riter > max) | |
896 | break; | |
897 | hent = array[riter]; | |
898 | } | |
899 | } | |
80459961 NC |
900 | |
901 | Safefree(array); | |
902 | HvARRAY(PL_strtab) = 0; | |
903 | HvTOTALKEYS(PL_strtab) = 0; | |
904 | HvFILL(PL_strtab) = 0; | |
6e72f9df | 905 | } |
3280af22 | 906 | SvREFCNT_dec(PL_strtab); |
6e72f9df | 907 | |
e652bb2f | 908 | #ifdef USE_ITHREADS |
c21d1a0f | 909 | /* free the pointer tables used for cloning */ |
a0739874 | 910 | ptr_table_free(PL_ptr_table); |
bf9cdc68 | 911 | PL_ptr_table = (PTR_TBL_t*)NULL; |
53186e96 | 912 | #endif |
a0739874 | 913 | |
d33b2eba GS |
914 | /* free special SVs */ |
915 | ||
916 | SvREFCNT(&PL_sv_yes) = 0; | |
917 | sv_clear(&PL_sv_yes); | |
918 | SvANY(&PL_sv_yes) = NULL; | |
4c5e2b0d | 919 | SvFLAGS(&PL_sv_yes) = 0; |
d33b2eba GS |
920 | |
921 | SvREFCNT(&PL_sv_no) = 0; | |
922 | sv_clear(&PL_sv_no); | |
923 | SvANY(&PL_sv_no) = NULL; | |
4c5e2b0d | 924 | SvFLAGS(&PL_sv_no) = 0; |
01724ea0 | 925 | |
9f375a43 DM |
926 | { |
927 | int i; | |
928 | for (i=0; i<=2; i++) { | |
929 | SvREFCNT(PERL_DEBUG_PAD(i)) = 0; | |
930 | sv_clear(PERL_DEBUG_PAD(i)); | |
931 | SvANY(PERL_DEBUG_PAD(i)) = NULL; | |
932 | SvFLAGS(PERL_DEBUG_PAD(i)) = 0; | |
933 | } | |
934 | } | |
935 | ||
0453d815 | 936 | if (PL_sv_count != 0 && ckWARN_d(WARN_INTERNAL)) |
9014280d | 937 | Perl_warner(aTHX_ packWARN(WARN_INTERNAL),"Scalars leaked: %ld\n", (long)PL_sv_count); |
6e72f9df | 938 | |
eba0f806 DM |
939 | #ifdef DEBUG_LEAKING_SCALARS |
940 | if (PL_sv_count != 0) { | |
941 | SV* sva; | |
942 | SV* sv; | |
943 | register SV* svend; | |
944 | ||
945 | for (sva = PL_sv_arenaroot; sva; sva = (SV*)SvANY(sva)) { | |
946 | svend = &sva[SvREFCNT(sva)]; | |
947 | for (sv = sva + 1; sv < svend; ++sv) { | |
948 | if (SvTYPE(sv) != SVTYPEMASK) { | |
2aa47728 NC |
949 | #ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP |
950 | ssize_t got; | |
951 | SV *target; | |
952 | #endif | |
953 | ||
a548cda8 | 954 | PerlIO_printf(Perl_debug_log, "leaked: sv=0x%p" |
61b61456 | 955 | " flags=0x%"UVxf |
fd0854ff DM |
956 | " refcnt=%"UVuf pTHX__FORMAT "\n" |
957 | "\tallocated at %s:%d %s %s%s\n", | |
958 | sv, sv->sv_flags, sv->sv_refcnt pTHX__VALUE, | |
959 | sv->sv_debug_file ? sv->sv_debug_file : "(unknown)", | |
960 | sv->sv_debug_line, | |
961 | sv->sv_debug_inpad ? "for" : "by", | |
962 | sv->sv_debug_optype ? | |
963 | PL_op_name[sv->sv_debug_optype]: "(none)", | |
964 | sv->sv_debug_cloned ? " (cloned)" : "" | |
965 | ); | |
2aa47728 NC |
966 | |
967 | #ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP | |
968 | PerlIO_flush(Perl_debug_log); | |
969 | ||
970 | got = write(sock, &sv, sizeof(sv)); | |
971 | ||
972 | if(got < 0) { | |
973 | perror("Debug leaking scalars parent write failed"); | |
974 | abort(); | |
975 | } | |
976 | if(got < sizeof(target)) { | |
977 | perror("Debug leaking scalars parent short write"); | |
978 | abort(); | |
979 | } | |
980 | ||
981 | got = read(sock, &target, sizeof(target)); | |
982 | ||
983 | if(got < 0) { | |
984 | perror("Debug leaking scalars parent read failed"); | |
985 | abort(); | |
986 | } | |
987 | if(got < sizeof(target)) { | |
988 | perror("Debug leaking scalars parent short read"); | |
989 | abort(); | |
990 | } | |
991 | #endif | |
eba0f806 DM |
992 | } |
993 | } | |
994 | } | |
995 | } | |
2aa47728 NC |
996 | #ifdef DEBUG_LEAKING_SCALARS_FORK_DUMP |
997 | { | |
998 | int status; | |
999 | fd_set rset; | |
1000 | /* Wait for up to 4 seconds for child to terminate. | |
1001 | This seems to be the least effort way of timing out on reaping | |
1002 | its exit status. */ | |
1003 | struct timeval waitfor = {4, 0}; | |
1004 | ||
1005 | shutdown(sock, 1); | |
1006 | FD_ZERO(&rset); | |
1007 | FD_SET(sock, &rset); | |
1008 | select(sock + 1, &rset, NULL, NULL, &waitfor); | |
1009 | waitpid(child, &status, WNOHANG); | |
1010 | close(sock); | |
1011 | } | |
1012 | #endif | |
eba0f806 | 1013 | #endif |
bf9cdc68 | 1014 | PL_sv_count = 0; |
eba0f806 DM |
1015 | |
1016 | ||
56a2bab7 | 1017 | #if defined(PERLIO_LAYERS) |
3a1ee7e8 NIS |
1018 | /* No more IO - including error messages ! */ |
1019 | PerlIO_cleanup(aTHX); | |
1020 | #endif | |
1021 | ||
9f4bd222 NIS |
1022 | /* sv_undef needs to stay immortal until after PerlIO_cleanup |
1023 | as currently layers use it rather than Nullsv as a marker | |
1024 | for no arg - and will try and SvREFCNT_dec it. | |
1025 | */ | |
1026 | SvREFCNT(&PL_sv_undef) = 0; | |
1027 | SvREADONLY_off(&PL_sv_undef); | |
1028 | ||
3280af22 | 1029 | Safefree(PL_origfilename); |
bf9cdc68 | 1030 | PL_origfilename = Nullch; |
3280af22 | 1031 | Safefree(PL_reg_start_tmp); |
bf9cdc68 RG |
1032 | PL_reg_start_tmp = (char**)NULL; |
1033 | PL_reg_start_tmpl = 0; | |
5c5e4c24 IZ |
1034 | if (PL_reg_curpm) |
1035 | Safefree(PL_reg_curpm); | |
82ba1be6 | 1036 | Safefree(PL_reg_poscache); |
dd28f7bb | 1037 | free_tied_hv_pool(); |
3280af22 | 1038 | Safefree(PL_op_mask); |
cf36064f | 1039 | Safefree(PL_psig_ptr); |
bf9cdc68 | 1040 | PL_psig_ptr = (SV**)NULL; |
cf36064f | 1041 | Safefree(PL_psig_name); |
bf9cdc68 | 1042 | PL_psig_name = (SV**)NULL; |
2c2666fc | 1043 | Safefree(PL_bitcount); |
bf9cdc68 | 1044 | PL_bitcount = Nullch; |
ce08f86c | 1045 | Safefree(PL_psig_pend); |
bf9cdc68 RG |
1046 | PL_psig_pend = (int*)NULL; |
1047 | PL_formfeed = Nullsv; | |
6e72f9df | 1048 | nuke_stacks(); |
bf9cdc68 RG |
1049 | PL_tainting = FALSE; |
1050 | PL_taint_warn = FALSE; | |
3280af22 | 1051 | PL_hints = 0; /* Reset hints. Should hints be per-interpreter ? */ |
bf9cdc68 | 1052 | PL_debug = 0; |
ac27b0f5 | 1053 | |
a0d0e21e | 1054 | DEBUG_P(debprofdump()); |
d33b2eba | 1055 | |
e5dd39fc | 1056 | #ifdef USE_REENTRANT_API |
10bc17b6 | 1057 | Perl_reentrant_free(aTHX); |
e5dd39fc AB |
1058 | #endif |
1059 | ||
612f20c3 GS |
1060 | sv_free_arenas(); |
1061 | ||
fc36a67e | 1062 | /* As the absolutely last thing, free the non-arena SV for mess() */ |
1063 | ||
3280af22 | 1064 | if (PL_mess_sv) { |
f350b448 NC |
1065 | /* we know that type == SVt_PVMG */ |
1066 | ||
9c63abab | 1067 | /* it could have accumulated taint magic */ |
f350b448 NC |
1068 | MAGIC* mg; |
1069 | MAGIC* moremagic; | |
1070 | for (mg = SvMAGIC(PL_mess_sv); mg; mg = moremagic) { | |
1071 | moremagic = mg->mg_moremagic; | |
1072 | if (mg->mg_ptr && mg->mg_type != PERL_MAGIC_regex_global | |
1073 | && mg->mg_len >= 0) | |
1074 | Safefree(mg->mg_ptr); | |
1075 | Safefree(mg); | |
9c63abab | 1076 | } |
f350b448 | 1077 | |
fc36a67e | 1078 | /* we know that type >= SVt_PV */ |
8bd4d4c5 | 1079 | SvPV_free(PL_mess_sv); |
3280af22 NIS |
1080 | Safefree(SvANY(PL_mess_sv)); |
1081 | Safefree(PL_mess_sv); | |
1082 | PL_mess_sv = Nullsv; | |
fc36a67e | 1083 | } |
31d77e54 | 1084 | return STATUS_NATIVE_EXPORT; |
79072805 LW |
1085 | } |
1086 | ||
954c1994 GS |
1087 | /* |
1088 | =for apidoc perl_free | |
1089 | ||
1090 | Releases a Perl interpreter. See L<perlembed>. | |
1091 | ||
1092 | =cut | |
1093 | */ | |
1094 | ||
79072805 | 1095 | void |
0cb96387 | 1096 | perl_free(pTHXx) |
79072805 | 1097 | { |
acfe0abc | 1098 | #if defined(WIN32) || defined(NETWARE) |
ce3e5b80 | 1099 | # if defined(PERL_IMPLICIT_SYS) |
acfe0abc GS |
1100 | # ifdef NETWARE |
1101 | void *host = nw_internal_host; | |
1102 | # else | |
1103 | void *host = w32_internal_host; | |
1104 | # endif | |
ce3e5b80 | 1105 | PerlMem_free(aTHXx); |
acfe0abc | 1106 | # ifdef NETWARE |
011f1a1a | 1107 | nw_delete_internal_host(host); |
acfe0abc GS |
1108 | # else |
1109 | win32_delete_internal_host(host); | |
1110 | # endif | |
1c0ca838 GS |
1111 | # else |
1112 | PerlMem_free(aTHXx); | |
1113 | # endif | |
acfe0abc GS |
1114 | #else |
1115 | PerlMem_free(aTHXx); | |
76e3520e | 1116 | #endif |
79072805 LW |
1117 | } |
1118 | ||
aebd1ac7 GA |
1119 | #if defined(USE_5005THREADS) || defined(USE_ITHREADS) |
1120 | /* provide destructors to clean up the thread key when libperl is unloaded */ | |
1121 | #ifndef WIN32 /* handled during DLL_PROCESS_DETACH in win32/perllib.c */ | |
1122 | ||
110d3f98 | 1123 | #if defined(__hpux) && __ux_version > 1020 && !defined(__GNUC__) |
aebd1ac7 GA |
1124 | #pragma fini "perl_fini" |
1125 | #endif | |
1126 | ||
0dbb1585 AL |
1127 | static void |
1128 | #if defined(__GNUC__) | |
1129 | __attribute__((destructor)) | |
aebd1ac7 | 1130 | #endif |
de009b76 | 1131 | perl_fini(void) |
aebd1ac7 | 1132 | { |
27da23d5 | 1133 | dVAR; |
aebd1ac7 GA |
1134 | if (PL_curinterp) |
1135 | FREE_THREAD_KEY; | |
1136 | } | |
1137 | ||
1138 | #endif /* WIN32 */ | |
1139 | #endif /* THREADS */ | |
1140 | ||
4b556e6c | 1141 | void |
864dbfa3 | 1142 | Perl_call_atexit(pTHX_ ATEXIT_t fn, void *ptr) |
4b556e6c | 1143 | { |
3280af22 NIS |
1144 | Renew(PL_exitlist, PL_exitlistlen+1, PerlExitListEntry); |
1145 | PL_exitlist[PL_exitlistlen].fn = fn; | |
1146 | PL_exitlist[PL_exitlistlen].ptr = ptr; | |
1147 | ++PL_exitlistlen; | |
4b556e6c JD |
1148 | } |
1149 | ||
56cf6df8 RGS |
1150 | #ifdef HAS_PROCSELFEXE |
1151 | /* This is a function so that we don't hold on to MAXPATHLEN | |
1152 | bytes of stack longer than necessary | |
1153 | */ | |
1154 | STATIC void | |
e1ec3a88 | 1155 | S_procself_val(pTHX_ SV *sv, const char *arg0) |
56cf6df8 RGS |
1156 | { |
1157 | char buf[MAXPATHLEN]; | |
1158 | int len = readlink(PROCSELFEXE_PATH, buf, sizeof(buf) - 1); | |
1159 | ||
1160 | /* On Playstation2 Linux V1.0 (kernel 2.2.1) readlink(/proc/self/exe) | |
1161 | includes a spurious NUL which will cause $^X to fail in system | |
1162 | or backticks (this will prevent extensions from being built and | |
1163 | many tests from working). readlink is not meant to add a NUL. | |
1164 | Normal readlink works fine. | |
1165 | */ | |
1166 | if (len > 0 && buf[len-1] == '\0') { | |
1167 | len--; | |
1168 | } | |
1169 | ||
1170 | /* FreeBSD's implementation is acknowledged to be imperfect, sometimes | |
1171 | returning the text "unknown" from the readlink rather than the path | |
1172 | to the executable (or returning an error from the readlink). Any valid | |
1173 | path has a '/' in it somewhere, so use that to validate the result. | |
1174 | See http://www.freebsd.org/cgi/query-pr.cgi?pr=35703 | |
1175 | */ | |
1176 | if (len > 0 && memchr(buf, '/', len)) { | |
1177 | sv_setpvn(sv,buf,len); | |
1178 | } | |
1179 | else { | |
1180 | sv_setpv(sv,arg0); | |
1181 | } | |
1182 | } | |
1183 | #endif /* HAS_PROCSELFEXE */ | |
b7975bdd NC |
1184 | |
1185 | STATIC void | |
1186 | S_set_caret_X(pTHX) { | |
1187 | GV* tmpgv = gv_fetchpv("\030",TRUE, SVt_PV); /* $^X */ | |
1188 | if (tmpgv) { | |
1189 | #ifdef HAS_PROCSELFEXE | |
1190 | S_procself_val(aTHX_ GvSV(tmpgv), PL_origargv[0]); | |
1191 | #else | |
1192 | #ifdef OS2 | |
1193 | sv_setpv(GvSV(tmpgv), os2_execname(aTHX)); | |
1194 | #else | |
1195 | sv_setpv(GvSV(tmpgv),PL_origargv[0]); | |
1196 | #endif | |
1197 | #endif | |
1198 | } | |
1199 | } | |
1200 | ||
954c1994 GS |
1201 | /* |
1202 | =for apidoc perl_parse | |
1203 | ||
1204 | Tells a Perl interpreter to parse a Perl script. See L<perlembed>. | |
1205 | ||
1206 | =cut | |
1207 | */ | |
1208 | ||
79072805 | 1209 | int |
0cb96387 | 1210 | perl_parse(pTHXx_ XSINIT_t xsinit, int argc, char **argv, char **env) |
8d063cd8 | 1211 | { |
27da23d5 | 1212 | dVAR; |
6224f72b | 1213 | I32 oldscope; |
6224f72b | 1214 | int ret; |
db36c5a1 | 1215 | dJMPENV; |
8d063cd8 | 1216 | |
a687059c LW |
1217 | #ifdef SETUID_SCRIPTS_ARE_SECURE_NOW |
1218 | #ifdef IAMSUID | |
1219 | #undef IAMSUID | |
cea2e8a9 | 1220 | Perl_croak(aTHX_ "suidperl is no longer needed since the kernel can now execute\n\ |
a687059c | 1221 | setuid perl scripts securely.\n"); |
ae3f3efd | 1222 | #endif /* IAMSUID */ |
a687059c LW |
1223 | #endif |
1224 | ||
b0891165 JH |
1225 | #if defined(USE_HASH_SEED) || defined(USE_HASH_SEED_EXPLICIT) |
1226 | /* [perl #22371] Algorimic Complexity Attack on Perl 5.6.1, 5.8.0 | |
103dd899 | 1227 | * This MUST be done before any hash stores or fetches take place. |
008fb0c0 NC |
1228 | * If you set PL_rehash_seed (and assumedly also PL_rehash_seed_set) |
1229 | * yourself, it is your responsibility to provide a good random seed! | |
830b38bd | 1230 | * You can also define PERL_HASH_SEED in compile time, see hv.h. */ |
008fb0c0 NC |
1231 | if (!PL_rehash_seed_set) |
1232 | PL_rehash_seed = get_hash_seed(); | |
b0891165 | 1233 | { |
bed60192 JH |
1234 | char *s = PerlEnv_getenv("PERL_HASH_SEED_DEBUG"); |
1235 | ||
1236 | if (s) { | |
1237 | int i = atoi(s); | |
1238 | ||
1239 | if (i == 1) | |
1240 | PerlIO_printf(Perl_debug_log, "HASH_SEED = %"UVuf"\n", | |
008fb0c0 | 1241 | PL_rehash_seed); |
bed60192 | 1242 | } |
b0891165 JH |
1243 | } |
1244 | #endif /* #if defined(USE_HASH_SEED) || defined(USE_HASH_SEED_EXPLICIT) */ | |
1245 | ||
3280af22 | 1246 | PL_origargc = argc; |
e2975953 | 1247 | PL_origargv = argv; |
a0d0e21e | 1248 | |
54bfe034 | 1249 | { |
3cb9023d JH |
1250 | /* Set PL_origalen be the sum of the contiguous argv[] |
1251 | * elements plus the size of the env in case that it is | |
e9137a8e | 1252 | * contiguous with the argv[]. This is used in mg.c:Perl_magic_set() |
3cb9023d JH |
1253 | * as the maximum modifiable length of $0. In the worst case |
1254 | * the area we are able to modify is limited to the size of | |
43c32782 | 1255 | * the original argv[0]. (See below for 'contiguous', though.) |
3cb9023d | 1256 | * --jhi */ |
e1ec3a88 | 1257 | const char *s = NULL; |
54bfe034 | 1258 | int i; |
7d8e7db3 JH |
1259 | UV mask = |
1260 | ~(UV)(PTRSIZE == 4 ? 3 : PTRSIZE == 8 ? 7 : PTRSIZE == 16 ? 15 : 0); | |
43c32782 JH |
1261 | /* Do the mask check only if the args seem like aligned. */ |
1262 | UV aligned = | |
1263 | (mask < ~(UV)0) && ((PTR2UV(argv[0]) & mask) == PTR2UV(argv[0])); | |
1264 | ||
1265 | /* See if all the arguments are contiguous in memory. Note | |
1266 | * that 'contiguous' is a loose term because some platforms | |
1267 | * align the argv[] and the envp[]. If the arguments look | |
1268 | * like non-aligned, assume that they are 'strictly' or | |
1269 | * 'traditionally' contiguous. If the arguments look like | |
1270 | * aligned, we just check that they are within aligned | |
1271 | * PTRSIZE bytes. As long as no system has something bizarre | |
1272 | * like the argv[] interleaved with some other data, we are | |
1273 | * fine. (Did I just evoke Murphy's Law?) --jhi */ | |
c8941eeb JH |
1274 | if (PL_origargv && PL_origargc >= 1 && (s = PL_origargv[0])) { |
1275 | while (*s) s++; | |
1276 | for (i = 1; i < PL_origargc; i++) { | |
1277 | if ((PL_origargv[i] == s + 1 | |
43c32782 | 1278 | #ifdef OS2 |
c8941eeb | 1279 | || PL_origargv[i] == s + 2 |
43c32782 | 1280 | #endif |
c8941eeb JH |
1281 | ) |
1282 | || | |
1283 | (aligned && | |
1284 | (PL_origargv[i] > s && | |
1285 | PL_origargv[i] <= | |
1286 | INT2PTR(char *, PTR2UV(s + PTRSIZE) & mask))) | |
1287 | ) | |
1288 | { | |
1289 | s = PL_origargv[i]; | |
1290 | while (*s) s++; | |
1291 | } | |
1292 | else | |
1293 | break; | |
54bfe034 | 1294 | } |
54bfe034 | 1295 | } |
3cb9023d | 1296 | /* Can we grab env area too to be used as the area for $0? */ |
43c32782 JH |
1297 | if (PL_origenviron) { |
1298 | if ((PL_origenviron[0] == s + 1 | |
1299 | #ifdef OS2 | |
1300 | || (PL_origenviron[0] == s + 9 && (s += 8)) | |
1301 | #endif | |
1302 | ) | |
1303 | || | |
1304 | (aligned && | |
1305 | (PL_origenviron[0] > s && | |
1306 | PL_origenviron[0] <= | |
1307 | INT2PTR(char *, PTR2UV(s + PTRSIZE) & mask))) | |
1308 | ) | |
1309 | { | |
1310 | #ifndef OS2 | |
1311 | s = PL_origenviron[0]; | |
1312 | while (*s) s++; | |
1313 | #endif | |
1314 | my_setenv("NoNe SuCh", Nullch); | |
1315 | /* Force copy of environment. */ | |
1316 | for (i = 1; PL_origenviron[i]; i++) { | |
1317 | if (PL_origenviron[i] == s + 1 | |
1318 | || | |
1319 | (aligned && | |
1320 | (PL_origenviron[i] > s && | |
1321 | PL_origenviron[i] <= | |
1322 | INT2PTR(char *, PTR2UV(s + PTRSIZE) & mask))) | |
1323 | ) | |
1324 | { | |
1325 | s = PL_origenviron[i]; | |
1326 | while (*s) s++; | |
1327 | } | |
1328 | else | |
1329 | break; | |
54bfe034 | 1330 | } |
43c32782 | 1331 | } |
54bfe034 | 1332 | } |
284e1220 | 1333 | PL_origalen = s - PL_origargv[0] + 1; |
54bfe034 JH |
1334 | } |
1335 | ||
3280af22 | 1336 | if (PL_do_undump) { |
a0d0e21e LW |
1337 | |
1338 | /* Come here if running an undumped a.out. */ | |
1339 | ||
3280af22 NIS |
1340 | PL_origfilename = savepv(argv[0]); |
1341 | PL_do_undump = FALSE; | |
a0d0e21e | 1342 | cxstack_ix = -1; /* start label stack again */ |
748a9306 | 1343 | init_ids(); |
b7975bdd NC |
1344 | assert (!PL_tainted); |
1345 | TAINT; | |
1346 | S_set_caret_X(aTHX); | |
1347 | TAINT_NOT; | |
a0d0e21e LW |
1348 | init_postdump_symbols(argc,argv,env); |
1349 | return 0; | |
1350 | } | |
1351 | ||
3280af22 | 1352 | if (PL_main_root) { |
3280af22 NIS |
1353 | op_free(PL_main_root); |
1354 | PL_main_root = Nullop; | |
ff0cee69 | 1355 | } |
3280af22 NIS |
1356 | PL_main_start = Nullop; |
1357 | SvREFCNT_dec(PL_main_cv); | |
1358 | PL_main_cv = Nullcv; | |
79072805 | 1359 | |
3280af22 NIS |
1360 | time(&PL_basetime); |
1361 | oldscope = PL_scopestack_ix; | |
599cee73 | 1362 | PL_dowarn = G_WARN_OFF; |
f86702cc | 1363 | |
14dd3ad8 | 1364 | JMPENV_PUSH(ret); |
6224f72b | 1365 | switch (ret) { |
312caa8e | 1366 | case 0: |
14dd3ad8 | 1367 | parse_body(env,xsinit); |
7d30b5c4 GS |
1368 | if (PL_checkav) |
1369 | call_list(oldscope, PL_checkav); | |
14dd3ad8 GS |
1370 | ret = 0; |
1371 | break; | |
6224f72b GS |
1372 | case 1: |
1373 | STATUS_ALL_FAILURE; | |
1374 | /* FALL THROUGH */ | |
1375 | case 2: | |
1376 | /* my_exit() was called */ | |
3280af22 | 1377 | while (PL_scopestack_ix > oldscope) |
6224f72b GS |
1378 | LEAVE; |
1379 | FREETMPS; | |
3280af22 | 1380 | PL_curstash = PL_defstash; |
7d30b5c4 GS |
1381 | if (PL_checkav) |
1382 | call_list(oldscope, PL_checkav); | |
14dd3ad8 GS |
1383 | ret = STATUS_NATIVE_EXPORT; |
1384 | break; | |
6224f72b | 1385 | case 3: |
bf49b057 | 1386 | PerlIO_printf(Perl_error_log, "panic: top_env\n"); |
14dd3ad8 GS |
1387 | ret = 1; |
1388 | break; | |
6224f72b | 1389 | } |
14dd3ad8 GS |
1390 | JMPENV_POP; |
1391 | return ret; | |
1392 | } | |
1393 | ||
312caa8e | 1394 | STATIC void * |
14dd3ad8 | 1395 | S_parse_body(pTHX_ char **env, XSINIT_t xsinit) |
312caa8e | 1396 | { |
27da23d5 | 1397 | dVAR; |
312caa8e | 1398 | int argc = PL_origargc; |
8f42b153 | 1399 | char **argv = PL_origargv; |
e1ec3a88 | 1400 | const char *scriptname = NULL; |
312caa8e | 1401 | VOL bool dosearch = FALSE; |
e1ec3a88 | 1402 | const char *validarg = ""; |
312caa8e CS |
1403 | register SV *sv; |
1404 | register char *s; | |
e1ec3a88 | 1405 | const char *cddir = Nullch; |
ab019eaa | 1406 | #ifdef USE_SITECUSTOMIZE |
20ef40cf | 1407 | bool minus_f = FALSE; |
ab019eaa | 1408 | #endif |
312caa8e | 1409 | |
ae3f3efd PS |
1410 | PL_fdscript = -1; |
1411 | PL_suidscript = -1; | |
3280af22 | 1412 | sv_setpvn(PL_linestr,"",0); |
79cb57f6 | 1413 | sv = newSVpvn("",0); /* first used for -I flags */ |
6224f72b GS |
1414 | SAVEFREESV(sv); |
1415 | init_main_stash(); | |
54310121 | 1416 | |
6224f72b GS |
1417 | for (argc--,argv++; argc > 0; argc--,argv++) { |
1418 | if (argv[0][0] != '-' || !argv[0][1]) | |
1419 | break; | |
1420 | #ifdef DOSUID | |
1421 | if (*validarg) | |
1422 | validarg = " PHOOEY "; | |
1423 | else | |
1424 | validarg = argv[0]; | |
ae3f3efd PS |
1425 | /* |
1426 | * Can we rely on the kernel to start scripts with argv[1] set to | |
1427 | * contain all #! line switches (the whole line)? (argv[0] is set to | |
1428 | * the interpreter name, argv[2] to the script name; argv[3] and | |
1429 | * above may contain other arguments.) | |
1430 | */ | |
13281fa4 | 1431 | #endif |
6224f72b GS |
1432 | s = argv[0]+1; |
1433 | reswitch: | |
1434 | switch (*s) { | |
729a02f2 | 1435 | case 'C': |
1d5472a9 GS |
1436 | #ifndef PERL_STRICT_CR |
1437 | case '\r': | |
1438 | #endif | |
6224f72b GS |
1439 | case ' ': |
1440 | case '0': | |
1441 | case 'F': | |
1442 | case 'a': | |
1443 | case 'c': | |
1444 | case 'd': | |
1445 | case 'D': | |
1446 | case 'h': | |
1447 | case 'i': | |
1448 | case 'l': | |
1449 | case 'M': | |
1450 | case 'm': | |
1451 | case 'n': | |
1452 | case 'p': | |
1453 | case 's': | |
1454 | case 'u': | |
1455 | case 'U': | |
1456 | case 'v': | |
599cee73 PM |
1457 | case 'W': |
1458 | case 'X': | |
6224f72b | 1459 | case 'w': |
06492da6 | 1460 | case 'A': |
155aba94 | 1461 | if ((s = moreswitches(s))) |
6224f72b GS |
1462 | goto reswitch; |
1463 | break; | |
33b78306 | 1464 | |
1dbad523 | 1465 | case 't': |
22f7c9c9 | 1466 | CHECK_MALLOC_TOO_LATE_FOR('t'); |
317ea90d MS |
1467 | if( !PL_tainting ) { |
1468 | PL_taint_warn = TRUE; | |
1469 | PL_tainting = TRUE; | |
1470 | } | |
1471 | s++; | |
1472 | goto reswitch; | |
6224f72b | 1473 | case 'T': |
22f7c9c9 | 1474 | CHECK_MALLOC_TOO_LATE_FOR('T'); |
3280af22 | 1475 | PL_tainting = TRUE; |
317ea90d | 1476 | PL_taint_warn = FALSE; |
6224f72b GS |
1477 | s++; |
1478 | goto reswitch; | |
f86702cc | 1479 | |
6224f72b | 1480 | case 'e': |
bf4acbe4 GS |
1481 | #ifdef MACOS_TRADITIONAL |
1482 | /* ignore -e for Dev:Pseudo argument */ | |
1483 | if (argv[1] && !strcmp(argv[1], "Dev:Pseudo")) | |
e55ac0fa | 1484 | break; |
bf4acbe4 | 1485 | #endif |
ae3f3efd | 1486 | forbid_setid("-e"); |
3280af22 | 1487 | if (!PL_e_script) { |
79cb57f6 | 1488 | PL_e_script = newSVpvn("",0); |
0cb96387 | 1489 | filter_add(read_e_script, NULL); |
6224f72b GS |
1490 | } |
1491 | if (*++s) | |
3280af22 | 1492 | sv_catpv(PL_e_script, s); |
6224f72b | 1493 | else if (argv[1]) { |
3280af22 | 1494 | sv_catpv(PL_e_script, argv[1]); |
6224f72b GS |
1495 | argc--,argv++; |
1496 | } | |
1497 | else | |
cea2e8a9 | 1498 | Perl_croak(aTHX_ "No code specified for -e"); |
3280af22 | 1499 | sv_catpv(PL_e_script, "\n"); |
6224f72b | 1500 | break; |
afe37c7d | 1501 | |
20ef40cf | 1502 | case 'f': |
f5542d3a | 1503 | #ifdef USE_SITECUSTOMIZE |
20ef40cf | 1504 | minus_f = TRUE; |
f5542d3a | 1505 | #endif |
20ef40cf GA |
1506 | s++; |
1507 | goto reswitch; | |
1508 | ||
6224f72b GS |
1509 | case 'I': /* -I handled both here and in moreswitches() */ |
1510 | forbid_setid("-I"); | |
1511 | if (!*++s && (s=argv[1]) != Nullch) { | |
1512 | argc--,argv++; | |
1513 | } | |
6224f72b | 1514 | if (s && *s) { |
0df16ed7 GS |
1515 | char *p; |
1516 | STRLEN len = strlen(s); | |
1517 | p = savepvn(s, len); | |
88fe16b2 | 1518 | incpush(p, TRUE, TRUE, FALSE, FALSE); |
0df16ed7 GS |
1519 | sv_catpvn(sv, "-I", 2); |
1520 | sv_catpvn(sv, p, len); | |
1521 | sv_catpvn(sv, " ", 1); | |
6224f72b | 1522 | Safefree(p); |
0df16ed7 GS |
1523 | } |
1524 | else | |
a67e862a | 1525 | Perl_croak(aTHX_ "No directory specified for -I"); |
6224f72b GS |
1526 | break; |
1527 | case 'P': | |
1528 | forbid_setid("-P"); | |
3280af22 | 1529 | PL_preprocess = TRUE; |
6224f72b GS |
1530 | s++; |
1531 | goto reswitch; | |
1532 | case 'S': | |
1533 | forbid_setid("-S"); | |
1534 | dosearch = TRUE; | |
1535 | s++; | |
1536 | goto reswitch; | |
1537 | case 'V': | |
3280af22 NIS |
1538 | if (!PL_preambleav) |
1539 | PL_preambleav = newAV(); | |
1540 | av_push(PL_preambleav, newSVpv("use Config qw(myconfig config_vars)",0)); | |
6224f72b | 1541 | if (*++s != ':') { |
efcaa95b YST |
1542 | STRLEN opts; |
1543 | ||
3280af22 | 1544 | PL_Sv = newSVpv("print myconfig();",0); |
6224f72b | 1545 | #ifdef VMS |
6b88bc9c | 1546 | sv_catpv(PL_Sv,"print \"\\nCharacteristics of this PERLSHR image: \\n\","); |
6224f72b | 1547 | #else |
3280af22 | 1548 | sv_catpv(PL_Sv,"print \"\\nCharacteristics of this binary (from libperl): \\n\","); |
6224f72b | 1549 | #endif |
efcaa95b YST |
1550 | opts = SvCUR(PL_Sv); |
1551 | ||
3280af22 | 1552 | sv_catpv(PL_Sv,"\" Compile-time options:"); |
6224f72b | 1553 | # ifdef DEBUGGING |
3280af22 | 1554 | sv_catpv(PL_Sv," DEBUGGING"); |
6224f72b | 1555 | # endif |
6224f72b | 1556 | # ifdef MULTIPLICITY |
8f872242 | 1557 | sv_catpv(PL_Sv," MULTIPLICITY"); |
6224f72b | 1558 | # endif |
4d1ff10f AB |
1559 | # ifdef USE_5005THREADS |
1560 | sv_catpv(PL_Sv," USE_5005THREADS"); | |
b363f7ed | 1561 | # endif |
ac5e8965 JH |
1562 | # ifdef USE_ITHREADS |
1563 | sv_catpv(PL_Sv," USE_ITHREADS"); | |
1564 | # endif | |
10cc9d2a JH |
1565 | # ifdef USE_64_BIT_INT |
1566 | sv_catpv(PL_Sv," USE_64_BIT_INT"); | |
1567 | # endif | |
1568 | # ifdef USE_64_BIT_ALL | |
1569 | sv_catpv(PL_Sv," USE_64_BIT_ALL"); | |
ac5e8965 JH |
1570 | # endif |
1571 | # ifdef USE_LONG_DOUBLE | |
1572 | sv_catpv(PL_Sv," USE_LONG_DOUBLE"); | |
1573 | # endif | |
53430762 JH |
1574 | # ifdef USE_LARGE_FILES |
1575 | sv_catpv(PL_Sv," USE_LARGE_FILES"); | |
1576 | # endif | |
ac5e8965 JH |
1577 | # ifdef USE_SOCKS |
1578 | sv_catpv(PL_Sv," USE_SOCKS"); | |
1579 | # endif | |
20ef40cf GA |
1580 | # ifdef USE_SITECUSTOMIZE |
1581 | sv_catpv(PL_Sv," USE_SITECUSTOMIZE"); | |
1582 | # endif | |
b363f7ed GS |
1583 | # ifdef PERL_IMPLICIT_CONTEXT |
1584 | sv_catpv(PL_Sv," PERL_IMPLICIT_CONTEXT"); | |
1585 | # endif | |
1586 | # ifdef PERL_IMPLICIT_SYS | |
1587 | sv_catpv(PL_Sv," PERL_IMPLICIT_SYS"); | |
1588 | # endif | |
efcaa95b YST |
1589 | |
1590 | while (SvCUR(PL_Sv) > opts+76) { | |
1591 | /* find last space after "options: " and before col 76 */ | |
1592 | ||
dd374669 AL |
1593 | const char *space; |
1594 | char *pv = SvPV_nolen(PL_Sv); | |
1595 | const char c = pv[opts+76]; | |
efcaa95b YST |
1596 | pv[opts+76] = '\0'; |
1597 | space = strrchr(pv+opts+26, ' '); | |
1598 | pv[opts+76] = c; | |
1599 | if (!space) break; /* "Can't happen" */ | |
1600 | ||
1601 | /* break the line before that space */ | |
1602 | ||
1603 | opts = space - pv; | |
1604 | sv_insert(PL_Sv, opts, 0, | |
1605 | "\\n ", 25); | |
1606 | } | |
1607 | ||
3280af22 | 1608 | sv_catpv(PL_Sv,"\\n\","); |
b363f7ed | 1609 | |
6224f72b GS |
1610 | #if defined(LOCAL_PATCH_COUNT) |
1611 | if (LOCAL_PATCH_COUNT > 0) { | |
1612 | int i; | |
3280af22 | 1613 | sv_catpv(PL_Sv,"\" Locally applied patches:\\n\","); |
6224f72b | 1614 | for (i = 1; i <= LOCAL_PATCH_COUNT; i++) { |
3280af22 | 1615 | if (PL_localpatches[i]) |
acb03d05 AB |
1616 | Perl_sv_catpvf(aTHX_ PL_Sv,"q%c\t%s\n%c,", |
1617 | 0, PL_localpatches[i], 0); | |
6224f72b GS |
1618 | } |
1619 | } | |
1620 | #endif | |
cea2e8a9 | 1621 | Perl_sv_catpvf(aTHX_ PL_Sv,"\" Built under %s\\n\"",OSNAME); |
6224f72b GS |
1622 | #ifdef __DATE__ |
1623 | # ifdef __TIME__ | |
cea2e8a9 | 1624 | Perl_sv_catpvf(aTHX_ PL_Sv,",\" Compiled at %s %s\\n\"",__DATE__,__TIME__); |
6224f72b | 1625 | # else |
cea2e8a9 | 1626 | Perl_sv_catpvf(aTHX_ PL_Sv,",\" Compiled on %s\\n\"",__DATE__); |
6224f72b GS |
1627 | # endif |
1628 | #endif | |
3280af22 | 1629 | sv_catpv(PL_Sv, "; \ |
6224f72b | 1630 | $\"=\"\\n \"; \ |
69fcd688 JH |
1631 | @env = map { \"$_=\\\"$ENV{$_}\\\"\" } sort grep {/^PERL/} keys %ENV; "); |
1632 | #ifdef __CYGWIN__ | |
1633 | sv_catpv(PL_Sv,"\ | |
1634 | push @env, \"CYGWIN=\\\"$ENV{CYGWIN}\\\"\";"); | |
1635 | #endif | |
1636 | sv_catpv(PL_Sv, "\ | |
6224f72b GS |
1637 | print \" \\%ENV:\\n @env\\n\" if @env; \ |
1638 | print \" \\@INC:\\n @INC\\n\";"); | |
1639 | } | |
1640 | else { | |
3280af22 NIS |
1641 | PL_Sv = newSVpv("config_vars(qw(",0); |
1642 | sv_catpv(PL_Sv, ++s); | |
1643 | sv_catpv(PL_Sv, "))"); | |
6224f72b GS |
1644 | s += strlen(s); |
1645 | } | |
3280af22 | 1646 | av_push(PL_preambleav, PL_Sv); |
6224f72b GS |
1647 | scriptname = BIT_BUCKET; /* don't look for script or read stdin */ |
1648 | goto reswitch; | |
1649 | case 'x': | |
3280af22 | 1650 | PL_doextract = TRUE; |
6224f72b GS |
1651 | s++; |
1652 | if (*s) | |
f4c556ac | 1653 | cddir = s; |
6224f72b GS |
1654 | break; |
1655 | case 0: | |
1656 | break; | |
1657 | case '-': | |
1658 | if (!*++s || isSPACE(*s)) { | |
1659 | argc--,argv++; | |
1660 | goto switch_end; | |
1661 | } | |
1662 | /* catch use of gnu style long options */ | |
1663 | if (strEQ(s, "version")) { | |
dd374669 | 1664 | s = (char *)"v"; |
6224f72b GS |
1665 | goto reswitch; |
1666 | } | |
1667 | if (strEQ(s, "help")) { | |
dd374669 | 1668 | s = (char *)"h"; |
6224f72b GS |
1669 | goto reswitch; |
1670 | } | |
1671 | s--; | |
1672 | /* FALL THROUGH */ | |
1673 | default: | |
cea2e8a9 | 1674 | Perl_croak(aTHX_ "Unrecognized switch: -%s (-h will show valid options)",s); |
8d063cd8 LW |
1675 | } |
1676 | } | |
6224f72b | 1677 | switch_end: |
54310121 | 1678 | |
f675dbe5 CB |
1679 | if ( |
1680 | #ifndef SECURE_INTERNAL_GETENV | |
1681 | !PL_tainting && | |
1682 | #endif | |
cf756827 | 1683 | (s = PerlEnv_getenv("PERL5OPT"))) |
0df16ed7 | 1684 | { |
e1ec3a88 | 1685 | const char *popt = s; |
74288ac8 GS |
1686 | while (isSPACE(*s)) |
1687 | s++; | |
317ea90d | 1688 | if (*s == '-' && *(s+1) == 'T') { |
22f7c9c9 | 1689 | CHECK_MALLOC_TOO_LATE_FOR('T'); |
74288ac8 | 1690 | PL_tainting = TRUE; |
317ea90d MS |
1691 | PL_taint_warn = FALSE; |
1692 | } | |
74288ac8 | 1693 | else { |
cf756827 | 1694 | char *popt_copy = Nullch; |
74288ac8 | 1695 | while (s && *s) { |
4ea8f8fb | 1696 | char *d; |
74288ac8 GS |
1697 | while (isSPACE(*s)) |
1698 | s++; | |
1699 | if (*s == '-') { | |
1700 | s++; | |
1701 | if (isSPACE(*s)) | |
1702 | continue; | |
1703 | } | |
4ea8f8fb | 1704 | d = s; |
74288ac8 GS |
1705 | if (!*s) |
1706 | break; | |
06492da6 | 1707 | if (!strchr("DIMUdmtwA", *s)) |
cea2e8a9 | 1708 | Perl_croak(aTHX_ "Illegal switch in PERL5OPT: -%c", *s); |
4ea8f8fb MS |
1709 | while (++s && *s) { |
1710 | if (isSPACE(*s)) { | |
cf756827 GS |
1711 | if (!popt_copy) { |
1712 | popt_copy = SvPVX(sv_2mortal(newSVpv(popt,0))); | |
1713 | s = popt_copy + (s - popt); | |
1714 | d = popt_copy + (d - popt); | |
1715 | } | |
4ea8f8fb MS |
1716 | *s++ = '\0'; |
1717 | break; | |
1718 | } | |
1719 | } | |
1c4db469 | 1720 | if (*d == 't') { |
317ea90d MS |
1721 | if( !PL_tainting ) { |
1722 | PL_taint_warn = TRUE; | |
1723 | PL_tainting = TRUE; | |
1724 | } | |
1c4db469 RGS |
1725 | } else { |
1726 | moreswitches(d); | |
1727 | } | |
6224f72b | 1728 | } |
6224f72b GS |
1729 | } |
1730 | } | |
a0d0e21e | 1731 | |
20ef40cf GA |
1732 | #ifdef USE_SITECUSTOMIZE |
1733 | if (!minus_f) { | |
1734 | if (!PL_preambleav) | |
1735 | PL_preambleav = newAV(); | |
1736 | av_unshift(PL_preambleav, 1); | |
1737 | (void)av_store(PL_preambleav, 0, Perl_newSVpvf(aTHX_ "BEGIN { do '%s/sitecustomize.pl' }", SITELIB_EXP)); | |
1738 | } | |
1739 | #endif | |
1740 | ||
317ea90d MS |
1741 | if (PL_taint_warn && PL_dowarn != G_WARN_ALL_OFF) { |
1742 | PL_compiling.cop_warnings = newSVpvn(WARN_TAINTstring, WARNsize); | |
1743 | } | |
1744 | ||
6224f72b GS |
1745 | if (!scriptname) |
1746 | scriptname = argv[0]; | |
3280af22 | 1747 | if (PL_e_script) { |
6224f72b GS |
1748 | argc++,argv--; |
1749 | scriptname = BIT_BUCKET; /* don't look for script or read stdin */ | |
1750 | } | |
1751 | else if (scriptname == Nullch) { | |
1752 | #ifdef MSDOS | |
1753 | if ( PerlLIO_isatty(PerlIO_fileno(PerlIO_stdin())) ) | |
1754 | moreswitches("h"); | |
1755 | #endif | |
1756 | scriptname = "-"; | |
1757 | } | |
1758 | ||
b7975bdd NC |
1759 | /* Set $^X early so that it can be used for relocatable paths in @INC */ |
1760 | assert (!PL_tainted); | |
1761 | TAINT; | |
1762 | S_set_caret_X(aTHX); | |
1763 | TAINT_NOT; | |
6224f72b GS |
1764 | init_perllib(); |
1765 | ||
c5cccb17 | 1766 | open_script(scriptname,dosearch,sv); |
6224f72b | 1767 | |
c5cccb17 | 1768 | validate_suid(validarg, scriptname); |
6224f72b | 1769 | |
64ca3a65 | 1770 | #ifndef PERL_MICRO |
0b5b802d GS |
1771 | #if defined(SIGCHLD) || defined(SIGCLD) |
1772 | { | |
1773 | #ifndef SIGCHLD | |
1774 | # define SIGCHLD SIGCLD | |
1775 | #endif | |
1776 | Sighandler_t sigstate = rsignal_state(SIGCHLD); | |
1777 | if (sigstate == SIG_IGN) { | |
1778 | if (ckWARN(WARN_SIGNAL)) | |
9014280d | 1779 | Perl_warner(aTHX_ packWARN(WARN_SIGNAL), |
0b5b802d GS |
1780 | "Can't ignore signal CHLD, forcing to default"); |
1781 | (void)rsignal(SIGCHLD, (Sighandler_t)SIG_DFL); | |
1782 | } | |
1783 | } | |
1784 | #endif | |
64ca3a65 | 1785 | #endif |
0b5b802d | 1786 | |
bf4acbe4 GS |
1787 | #ifdef MACOS_TRADITIONAL |
1788 | if (PL_doextract || gMacPerl_AlwaysExtract) { | |
1789 | #else | |
f4c556ac | 1790 | if (PL_doextract) { |
bf4acbe4 | 1791 | #endif |
6224f72b | 1792 | find_beginning(); |
dd374669 | 1793 | if (cddir && PerlDir_chdir( (char *)cddir ) < 0) |
f4c556ac GS |
1794 | Perl_croak(aTHX_ "Can't chdir to %s",cddir); |
1795 | ||
1796 | } | |
6224f72b | 1797 | |
3280af22 NIS |
1798 | PL_main_cv = PL_compcv = (CV*)NEWSV(1104,0); |
1799 | sv_upgrade((SV *)PL_compcv, SVt_PVCV); | |
1800 | CvUNIQUE_on(PL_compcv); | |
1801 | ||
dd2155a4 | 1802 | CvPADLIST(PL_compcv) = pad_new(0); |
4d1ff10f | 1803 | #ifdef USE_5005THREADS |
533c011a NIS |
1804 | CvOWNER(PL_compcv) = 0; |
1805 | New(666, CvMUTEXP(PL_compcv), 1, perl_mutex); | |
1806 | MUTEX_INIT(CvMUTEXP(PL_compcv)); | |
4d1ff10f | 1807 | #endif /* USE_5005THREADS */ |
6224f72b | 1808 | |
0c4f7ff0 | 1809 | boot_core_PerlIO(); |
6224f72b | 1810 | boot_core_UNIVERSAL(); |
09bef843 | 1811 | boot_core_xsutils(); |
6224f72b GS |
1812 | |
1813 | if (xsinit) | |
acfe0abc | 1814 | (*xsinit)(aTHX); /* in case linked C routines want magical variables */ |
64ca3a65 | 1815 | #ifndef PERL_MICRO |
ed79a026 | 1816 | #if defined(VMS) || defined(WIN32) || defined(DJGPP) || defined(__CYGWIN__) || defined(EPOC) |
c5be433b | 1817 | init_os_extras(); |
6224f72b | 1818 | #endif |
64ca3a65 | 1819 | #endif |
6224f72b | 1820 | |
29209bc5 | 1821 | #ifdef USE_SOCKS |
1b9c9cf5 DH |
1822 | # ifdef HAS_SOCKS5_INIT |
1823 | socks5_init(argv[0]); | |
1824 | # else | |
29209bc5 | 1825 | SOCKSinit(argv[0]); |
1b9c9cf5 | 1826 | # endif |
ac27b0f5 | 1827 | #endif |
29209bc5 | 1828 | |
6224f72b GS |
1829 | init_predump_symbols(); |
1830 | /* init_postdump_symbols not currently designed to be called */ | |
1831 | /* more than once (ENV isn't cleared first, for example) */ | |
1832 | /* But running with -u leaves %ENV & @ARGV undefined! XXX */ | |
3280af22 | 1833 | if (!PL_do_undump) |
6224f72b GS |
1834 | init_postdump_symbols(argc,argv,env); |
1835 | ||
27da23d5 JH |
1836 | /* PL_unicode is turned on by -C, or by $ENV{PERL_UNICODE}, |
1837 | * or explicitly in some platforms. | |
085a54d9 | 1838 | * locale.c:Perl_init_i18nl10n() if the environment |
a05d7ebb | 1839 | * look like the user wants to use UTF-8. */ |
27da23d5 JH |
1840 | #if defined(SYMBIAN) |
1841 | PL_unicode = PERL_UNICODE_STD_FLAG; /* See PERL_SYMBIAN_CONSOLE_UTF8. */ | |
1842 | #endif | |
06e66572 JH |
1843 | if (PL_unicode) { |
1844 | /* Requires init_predump_symbols(). */ | |
a05d7ebb | 1845 | if (!(PL_unicode & PERL_UNICODE_LOCALE_FLAG) || PL_utf8locale) { |
06e66572 JH |
1846 | IO* io; |
1847 | PerlIO* fp; | |
1848 | SV* sv; | |
1849 | ||
a05d7ebb | 1850 | /* Turn on UTF-8-ness on STDIN, STDOUT, STDERR |
06e66572 | 1851 | * and the default open disciplines. */ |
a05d7ebb JH |
1852 | if ((PL_unicode & PERL_UNICODE_STDIN_FLAG) && |
1853 | PL_stdingv && (io = GvIO(PL_stdingv)) && | |
1854 | (fp = IoIFP(io))) | |
1855 | PerlIO_binmode(aTHX_ fp, IoTYPE(io), 0, ":utf8"); | |
1856 | if ((PL_unicode & PERL_UNICODE_STDOUT_FLAG) && | |
1857 | PL_defoutgv && (io = GvIO(PL_defoutgv)) && | |
1858 | (fp = IoOFP(io))) | |
1859 | PerlIO_binmode(aTHX_ fp, IoTYPE(io), 0, ":utf8"); | |
1860 | if ((PL_unicode & PERL_UNICODE_STDERR_FLAG) && | |
1861 | PL_stderrgv && (io = GvIO(PL_stderrgv)) && | |
1862 | (fp = IoOFP(io))) | |
1863 | PerlIO_binmode(aTHX_ fp, IoTYPE(io), 0, ":utf8"); | |
1864 | if ((PL_unicode & PERL_UNICODE_INOUT_FLAG) && | |
1865 | (sv = GvSV(gv_fetchpv("\017PEN", TRUE, SVt_PV)))) { | |
1866 | U32 in = PL_unicode & PERL_UNICODE_IN_FLAG; | |
1867 | U32 out = PL_unicode & PERL_UNICODE_OUT_FLAG; | |
1868 | if (in) { | |
1869 | if (out) | |
1870 | sv_setpvn(sv, ":utf8\0:utf8", 11); | |
1871 | else | |
1872 | sv_setpvn(sv, ":utf8\0", 6); | |
1873 | } | |
1874 | else if (out) | |
1875 | sv_setpvn(sv, "\0:utf8", 6); | |
1876 | SvSETMAGIC(sv); | |
1877 | } | |
b310b053 JH |
1878 | } |
1879 | } | |
1880 | ||
4ffa73a3 JH |
1881 | if ((s = PerlEnv_getenv("PERL_SIGNALS"))) { |
1882 | if (strEQ(s, "unsafe")) | |
1883 | PL_signals |= PERL_SIGNALS_UNSAFE_FLAG; | |
1884 | else if (strEQ(s, "safe")) | |
1885 | PL_signals &= ~PERL_SIGNALS_UNSAFE_FLAG; | |
1886 | else | |
1887 | Perl_croak(aTHX_ "PERL_SIGNALS illegal: \"%s\"", s); | |
1888 | } | |
1889 | ||
6224f72b GS |
1890 | init_lexer(); |
1891 | ||
1892 | /* now parse the script */ | |
1893 | ||
93189314 | 1894 | SETERRNO(0,SS_NORMAL); |
3280af22 | 1895 | PL_error_count = 0; |
bf4acbe4 GS |
1896 | #ifdef MACOS_TRADITIONAL |
1897 | if (gMacPerl_SyntaxError = (yyparse() || PL_error_count)) { | |
1898 | if (PL_minus_c) | |
1899 | Perl_croak(aTHX_ "%s had compilation errors.\n", MacPerl_MPWFileName(PL_origfilename)); | |
1900 | else { | |
1901 | Perl_croak(aTHX_ "Execution of %s aborted due to compilation errors.\n", | |
1902 | MacPerl_MPWFileName(PL_origfilename)); | |
1903 | } | |
1904 | } | |
1905 | #else | |
3280af22 NIS |
1906 | if (yyparse() || PL_error_count) { |
1907 | if (PL_minus_c) | |
cea2e8a9 | 1908 | Perl_croak(aTHX_ "%s had compilation errors.\n", PL_origfilename); |
6224f72b | 1909 | else { |
cea2e8a9 | 1910 | Perl_croak(aTHX_ "Execution of %s aborted due to compilation errors.\n", |
097ee67d | 1911 | PL_origfilename); |
6224f72b GS |
1912 | } |
1913 | } | |
bf4acbe4 | 1914 | #endif |
57843af0 | 1915 | CopLINE_set(PL_curcop, 0); |
3280af22 NIS |
1916 | PL_curstash = PL_defstash; |
1917 | PL_preprocess = FALSE; | |
1918 | if (PL_e_script) { | |
1919 | SvREFCNT_dec(PL_e_script); | |
1920 | PL_e_script = Nullsv; | |
6224f72b GS |
1921 | } |
1922 | ||
3280af22 | 1923 | if (PL_do_undump) |
6224f72b GS |
1924 | my_unexec(); |
1925 | ||
57843af0 GS |
1926 | if (isWARN_ONCE) { |
1927 | SAVECOPFILE(PL_curcop); | |
1928 | SAVECOPLINE(PL_curcop); | |
3280af22 | 1929 | gv_check(PL_defstash); |
57843af0 | 1930 | } |
6224f72b GS |
1931 | |
1932 | LEAVE; | |
1933 | FREETMPS; | |
1934 | ||
1935 | #ifdef MYMALLOC | |
1936 | if ((s=PerlEnv_getenv("PERL_DEBUG_MSTATS")) && atoi(s) >= 2) | |
1937 | dump_mstats("after compilation:"); | |
1938 | #endif | |
1939 | ||
1940 | ENTER; | |
3280af22 | 1941 | PL_restartop = 0; |
312caa8e | 1942 | return NULL; |
6224f72b GS |
1943 | } |
1944 | ||
954c1994 GS |
1945 | /* |
1946 | =for apidoc perl_run | |
1947 | ||
1948 | Tells a Perl interpreter to run. See L<perlembed>. | |
1949 | ||
1950 | =cut | |
1951 | */ | |
1952 | ||
6224f72b | 1953 | int |
0cb96387 | 1954 | perl_run(pTHXx) |
6224f72b | 1955 | { |
6224f72b | 1956 | I32 oldscope; |
14dd3ad8 | 1957 | int ret = 0; |
db36c5a1 | 1958 | dJMPENV; |
6224f72b | 1959 | |
3280af22 | 1960 | oldscope = PL_scopestack_ix; |
96e176bf CL |
1961 | #ifdef VMS |
1962 | VMSISH_HUSHED = 0; | |
1963 | #endif | |
6224f72b | 1964 | |
14dd3ad8 | 1965 | JMPENV_PUSH(ret); |
6224f72b GS |
1966 | switch (ret) { |
1967 | case 1: | |
1968 | cxstack_ix = -1; /* start context stack again */ | |
312caa8e | 1969 | goto redo_body; |
14dd3ad8 | 1970 | case 0: /* normal completion */ |
14dd3ad8 GS |
1971 | redo_body: |
1972 | run_body(oldscope); | |
14dd3ad8 GS |
1973 | /* FALL THROUGH */ |
1974 | case 2: /* my_exit() */ | |
3280af22 | 1975 | while (PL_scopestack_ix > oldscope) |
6224f72b GS |
1976 | LEAVE; |
1977 | FREETMPS; | |
3280af22 | 1978 | PL_curstash = PL_defstash; |
3a1ee7e8 | 1979 | if (!(PL_exit_flags & PERL_EXIT_DESTRUCT_END) && |
31d77e54 AB |
1980 | PL_endav && !PL_minus_c) |
1981 | call_list(oldscope, PL_endav); | |
6224f72b GS |
1982 | #ifdef MYMALLOC |
1983 | if (PerlEnv_getenv("PERL_DEBUG_MSTATS")) | |
1984 | dump_mstats("after execution: "); | |
1985 | #endif | |
14dd3ad8 GS |
1986 | ret = STATUS_NATIVE_EXPORT; |
1987 | break; | |
6224f72b | 1988 | case 3: |
312caa8e CS |
1989 | if (PL_restartop) { |
1990 | POPSTACK_TO(PL_mainstack); | |
1991 | goto redo_body; | |
6224f72b | 1992 | } |
bf49b057 | 1993 | PerlIO_printf(Perl_error_log, "panic: restartop\n"); |
312caa8e | 1994 | FREETMPS; |
14dd3ad8 GS |
1995 | ret = 1; |
1996 | break; | |
6224f72b GS |
1997 | } |
1998 | ||
14dd3ad8 GS |
1999 | JMPENV_POP; |
2000 | return ret; | |
312caa8e CS |
2001 | } |
2002 | ||
14dd3ad8 | 2003 | |
dd374669 | 2004 | STATIC void |
14dd3ad8 GS |
2005 | S_run_body(pTHX_ I32 oldscope) |
2006 | { | |
6224f72b | 2007 | DEBUG_r(PerlIO_printf(Perl_debug_log, "%s $` $& $' support.\n", |
3280af22 | 2008 | PL_sawampersand ? "Enabling" : "Omitting")); |
6224f72b | 2009 | |
3280af22 | 2010 | if (!PL_restartop) { |
6224f72b | 2011 | DEBUG_x(dump_all()); |
ecae49c0 NC |
2012 | if (!DEBUG_q_TEST) |
2013 | PERL_DEBUG(PerlIO_printf(Perl_debug_log, "\nEXECUTING...\n\n")); | |
b900a521 JH |
2014 | DEBUG_S(PerlIO_printf(Perl_debug_log, "main thread is 0x%"UVxf"\n", |
2015 | PTR2UV(thr))); | |
6224f72b | 2016 | |
3280af22 | 2017 | if (PL_minus_c) { |
bf4acbe4 | 2018 | #ifdef MACOS_TRADITIONAL |
e69a2255 JH |
2019 | PerlIO_printf(Perl_error_log, "%s%s syntax OK\n", |
2020 | (gMacPerl_ErrorFormat ? "# " : ""), | |
2021 | MacPerl_MPWFileName(PL_origfilename)); | |
bf4acbe4 | 2022 | #else |
bf49b057 | 2023 | PerlIO_printf(Perl_error_log, "%s syntax OK\n", PL_origfilename); |
bf4acbe4 | 2024 | #endif |
6224f72b GS |
2025 | my_exit(0); |
2026 | } | |
3280af22 | 2027 | if (PERLDB_SINGLE && PL_DBsingle) |
ac27b0f5 | 2028 | sv_setiv(PL_DBsingle, 1); |
3280af22 NIS |
2029 | if (PL_initav) |
2030 | call_list(oldscope, PL_initav); | |
6224f72b GS |
2031 | } |
2032 | ||
2033 | /* do it */ | |
2034 | ||
3280af22 | 2035 | if (PL_restartop) { |
533c011a | 2036 | PL_op = PL_restartop; |
3280af22 | 2037 | PL_restartop = 0; |
cea2e8a9 | 2038 | CALLRUNOPS(aTHX); |
6224f72b | 2039 | } |
3280af22 NIS |
2040 | else if (PL_main_start) { |
2041 | CvDEPTH(PL_main_cv) = 1; | |
533c011a | 2042 | PL_op = PL_main_start; |
cea2e8a9 | 2043 | CALLRUNOPS(aTHX); |
6224f72b | 2044 | } |
f6b3007c JH |
2045 | my_exit(0); |
2046 | /* NOTREACHED */ | |
6224f72b GS |
2047 | } |
2048 | ||
954c1994 | 2049 | /* |
ccfc67b7 JH |
2050 | =head1 SV Manipulation Functions |
2051 | ||
954c1994 GS |
2052 | =for apidoc p||get_sv |
2053 | ||
2054 | Returns the SV of the specified Perl scalar. If C<create> is set and the | |
2055 | Perl variable does not exist then it will be created. If C<create> is not | |
2056 | set and the variable does not exist then NULL is returned. | |
2057 | ||
2058 | =cut | |
2059 | */ | |
2060 | ||
6224f72b | 2061 | SV* |
864dbfa3 | 2062 | Perl_get_sv(pTHX_ const char *name, I32 create) |
6224f72b GS |
2063 | { |
2064 | GV *gv; | |
4d1ff10f | 2065 | #ifdef USE_5005THREADS |
6224f72b GS |
2066 | if (name[1] == '\0' && !isALPHA(name[0])) { |
2067 | PADOFFSET tmp = find_threadsv(name); | |
411caa50 | 2068 | if (tmp != NOT_IN_PAD) |
6224f72b | 2069 | return THREADSV(tmp); |
6224f72b | 2070 | } |
4d1ff10f | 2071 | #endif /* USE_5005THREADS */ |
6224f72b GS |
2072 | gv = gv_fetchpv(name, create, SVt_PV); |
2073 | if (gv) | |
2074 | return GvSV(gv); | |
2075 | return Nullsv; | |
2076 | } | |
2077 | ||
954c1994 | 2078 | /* |
ccfc67b7 JH |
2079 | =head1 Array Manipulation Functions |
2080 | ||
954c1994 GS |
2081 | =for apidoc p||get_av |
2082 | ||
2083 | Returns the AV of the specified Perl array. If C<create> is set and the | |
2084 | Perl variable does not exist then it will be created. If C<create> is not | |
2085 | set and the variable does not exist then NULL is returned. | |
2086 | ||
2087 | =cut | |
2088 | */ | |
2089 | ||
6224f72b | 2090 | AV* |
864dbfa3 | 2091 | Perl_get_av(pTHX_ const char *name, I32 create) |
6224f72b GS |
2092 | { |
2093 | GV* gv = gv_fetchpv(name, create, SVt_PVAV); | |
2094 | if (create) | |
2095 | return GvAVn(gv); | |
2096 | if (gv) | |
2097 | return GvAV(gv); | |
2098 | return Nullav; | |
2099 | } | |
2100 | ||
954c1994 | 2101 | /* |
ccfc67b7 JH |
2102 | =head1 Hash Manipulation Functions |
2103 | ||
954c1994 GS |
2104 | =for apidoc p||get_hv |
2105 | ||
2106 | Returns the HV of the specified Perl hash. If C<create> is set and the | |
2107 | Perl variable does not exist then it will be created. If C<create> is not | |
2108 | set and the variable does not exist then NULL is returned. | |
2109 | ||
2110 | =cut | |
2111 | */ | |
2112 | ||
6224f72b | 2113 | HV* |
864dbfa3 | 2114 | Perl_get_hv(pTHX_ const char *name, I32 create) |
6224f72b | 2115 | { |
a0d0e21e LW |
2116 | GV* gv = gv_fetchpv(name, create, SVt_PVHV); |
2117 | if (create) | |
2118 | return GvHVn(gv); | |
2119 | if (gv) | |
2120 | return GvHV(gv); | |
2121 | return Nullhv; | |
2122 | } | |
2123 | ||
954c1994 | 2124 | /* |
ccfc67b7 JH |
2125 | =head1 CV Manipulation Functions |
2126 | ||
954c1994 GS |
2127 | =for apidoc p||get_cv |
2128 | ||
2129 | Returns the CV of the specified Perl subroutine. If C<create> is set and | |
2130 | the Perl subroutine does not exist then it will be declared (which has the | |
2131 | same effect as saying C<sub name;>). If C<create> is not set and the | |
2132 | subroutine does not exist then NULL is returned. | |
2133 | ||
2134 | =cut | |
2135 | */ | |
2136 | ||
a0d0e21e | 2137 | CV* |
864dbfa3 | 2138 | Perl_get_cv(pTHX_ const char *name, I32 create) |
a0d0e21e LW |
2139 | { |
2140 | GV* gv = gv_fetchpv(name, create, SVt_PVCV); | |
b099ddc0 | 2141 | /* XXX unsafe for threads if eval_owner isn't held */ |
f6ec51f7 GS |
2142 | /* XXX this is probably not what they think they're getting. |
2143 | * It has the same effect as "sub name;", i.e. just a forward | |
2144 | * declaration! */ | |
8ebc5c01 | 2145 | if (create && !GvCVu(gv)) |
774d564b | 2146 | return newSUB(start_subparse(FALSE, 0), |
a0d0e21e | 2147 | newSVOP(OP_CONST, 0, newSVpv(name,0)), |
4633a7c4 | 2148 | Nullop, |
a0d0e21e LW |
2149 | Nullop); |
2150 | if (gv) | |
8ebc5c01 | 2151 | return GvCVu(gv); |
a0d0e21e LW |
2152 | return Nullcv; |
2153 | } | |
2154 | ||
79072805 LW |
2155 | /* Be sure to refetch the stack pointer after calling these routines. */ |
2156 | ||
954c1994 | 2157 | /* |
ccfc67b7 JH |
2158 | |
2159 | =head1 Callback Functions | |
2160 | ||
954c1994 GS |
2161 | =for apidoc p||call_argv |
2162 | ||
2163 | Performs a callback to the specified Perl sub. See L<perlcall>. | |
2164 | ||
2165 | =cut | |
2166 | */ | |
2167 | ||
a0d0e21e | 2168 | I32 |
8f42b153 | 2169 | Perl_call_argv(pTHX_ const char *sub_name, I32 flags, register char **argv) |
ac27b0f5 | 2170 | |
8ac85365 NIS |
2171 | /* See G_* flags in cop.h */ |
2172 | /* null terminated arg list */ | |
8990e307 | 2173 | { |
a0d0e21e | 2174 | dSP; |
8990e307 | 2175 | |
924508f0 | 2176 | PUSHMARK(SP); |
a0d0e21e | 2177 | if (argv) { |
8990e307 | 2178 | while (*argv) { |
a0d0e21e | 2179 | XPUSHs(sv_2mortal(newSVpv(*argv,0))); |
8990e307 LW |
2180 | argv++; |
2181 | } | |
a0d0e21e | 2182 | PUTBACK; |
8990e307 | 2183 | } |
864dbfa3 | 2184 | return call_pv(sub_name, flags); |
8990e307 LW |
2185 | } |
2186 | ||
954c1994 GS |
2187 | /* |
2188 | =for apidoc p||call_pv | |
2189 | ||
2190 | Performs a callback to the specified Perl sub. See L<perlcall>. | |
2191 | ||
2192 | =cut | |
2193 | */ | |
2194 | ||
a0d0e21e | 2195 | I32 |
864dbfa3 | 2196 | Perl_call_pv(pTHX_ const char *sub_name, I32 flags) |
8ac85365 NIS |
2197 | /* name of the subroutine */ |
2198 | /* See G_* flags in cop.h */ | |
a0d0e21e | 2199 | { |
864dbfa3 | 2200 | return call_sv((SV*)get_cv(sub_name, TRUE), flags); |
a0d0e21e LW |
2201 | } |
2202 | ||
954c1994 GS |
2203 | /* |
2204 | =for apidoc p||call_method | |
2205 | ||
2206 | Performs a callback to the specified Perl method. The blessed object must | |
2207 | be on the stack. See L<perlcall>. | |
2208 | ||
2209 | =cut | |
2210 | */ | |
2211 | ||
a0d0e21e | 2212 | I32 |
864dbfa3 | 2213 | Perl_call_method(pTHX_ const char *methname, I32 flags) |
8ac85365 NIS |
2214 | /* name of the subroutine */ |
2215 | /* See G_* flags in cop.h */ | |
a0d0e21e | 2216 | { |
968b3946 | 2217 | return call_sv(sv_2mortal(newSVpv(methname,0)), flags | G_METHOD); |
a0d0e21e LW |
2218 | } |
2219 | ||
2220 | /* May be called with any of a CV, a GV, or an SV containing the name. */ | |
954c1994 GS |
2221 | /* |
2222 | =for apidoc p||call_sv | |
2223 | ||
2224 | Performs a callback to the Perl sub whose name is in the SV. See | |
2225 | L<perlcall>. | |
2226 | ||
2227 | =cut | |
2228 | */ | |
2229 | ||
a0d0e21e | 2230 | I32 |
864dbfa3 | 2231 | Perl_call_sv(pTHX_ SV *sv, I32 flags) |
8ac85365 | 2232 | /* See G_* flags in cop.h */ |
a0d0e21e | 2233 | { |
27da23d5 | 2234 | dVAR; dSP; |
a0d0e21e | 2235 | LOGOP myop; /* fake syntax tree node */ |
968b3946 | 2236 | UNOP method_op; |
aa689395 | 2237 | I32 oldmark; |
13689cfe | 2238 | volatile I32 retval = 0; |
a0d0e21e | 2239 | I32 oldscope; |
54310121 | 2240 | bool oldcatch = CATCH_GET; |
6224f72b | 2241 | int ret; |
533c011a | 2242 | OP* oldop = PL_op; |
db36c5a1 | 2243 | dJMPENV; |
1e422769 | 2244 | |
a0d0e21e LW |
2245 | if (flags & G_DISCARD) { |
2246 | ENTER; | |
2247 | SAVETMPS; | |
2248 | } | |
2249 | ||
aa689395 | 2250 | Zero(&myop, 1, LOGOP); |
54310121 | 2251 | myop.op_next = Nullop; |
f51d4af5 | 2252 | if (!(flags & G_NOARGS)) |
aa689395 | 2253 | myop.op_flags |= OPf_STACKED; |
54310121 | 2254 | myop.op_flags |= ((flags & G_VOID) ? OPf_WANT_VOID : |
2255 | (flags & G_ARRAY) ? OPf_WANT_LIST : | |
2256 | OPf_WANT_SCALAR); | |
462e5cf6 | 2257 | SAVEOP(); |
533c011a | 2258 | PL_op = (OP*)&myop; |
aa689395 | 2259 | |
3280af22 NIS |
2260 | EXTEND(PL_stack_sp, 1); |
2261 | *++PL_stack_sp = sv; | |
aa689395 | 2262 | oldmark = TOPMARK; |
3280af22 | 2263 | oldscope = PL_scopestack_ix; |
a0d0e21e | 2264 | |
3280af22 | 2265 | if (PERLDB_SUB && PL_curstash != PL_debstash |
36477c24 | 2266 | /* Handle first BEGIN of -d. */ |
3280af22 | 2267 | && (PL_DBcv || (PL_DBcv = GvCV(PL_DBsub))) |
36477c24 | 2268 | /* Try harder, since this may have been a sighandler, thus |
2269 | * curstash may be meaningless. */ | |
3280af22 | 2270 | && (SvTYPE(sv) != SVt_PVCV || CvSTASH((CV*)sv) != PL_debstash) |
491527d0 | 2271 | && !(flags & G_NODEBUG)) |
533c011a | 2272 | PL_op->op_private |= OPpENTERSUB_DB; |
a0d0e21e | 2273 | |
968b3946 GS |
2274 | if (flags & G_METHOD) { |
2275 | Zero(&method_op, 1, UNOP); | |
2276 | method_op.op_next = PL_op; | |
2277 | method_op.op_ppaddr = PL_ppaddr[OP_METHOD]; | |
2278 | myop.op_ppaddr = PL_ppaddr[OP_ENTERSUB]; | |
f39d0b86 | 2279 | PL_op = (OP*)&method_op; |
968b3946 GS |
2280 | } |
2281 | ||
312caa8e | 2282 | if (!(flags & G_EVAL)) { |
0cdb2077 | 2283 | CATCH_SET(TRUE); |
14dd3ad8 | 2284 | call_body((OP*)&myop, FALSE); |
312caa8e | 2285 | retval = PL_stack_sp - (PL_stack_base + oldmark); |
0253cb41 | 2286 | CATCH_SET(oldcatch); |
312caa8e CS |
2287 | } |
2288 | else { | |
d78bda3d | 2289 | myop.op_other = (OP*)&myop; |
3280af22 | 2290 | PL_markstack_ptr--; |
4633a7c4 LW |
2291 | /* we're trying to emulate pp_entertry() here */ |
2292 | { | |
c09156bb | 2293 | register PERL_CONTEXT *cx; |
f54cb97a | 2294 | const I32 gimme = GIMME_V; |
ac27b0f5 | 2295 | |
4633a7c4 LW |
2296 | ENTER; |
2297 | SAVETMPS; | |
ac27b0f5 | 2298 | |
1d76a5c3 | 2299 | PUSHBLOCK(cx, (CXt_EVAL|CXp_TRYBLOCK), PL_stack_sp); |
4633a7c4 | 2300 | PUSHEVAL(cx, 0, 0); |
533c011a | 2301 | PL_eval_root = PL_op; /* Only needed so that goto works right. */ |
ac27b0f5 | 2302 | |
faef0170 | 2303 | PL_in_eval = EVAL_INEVAL; |
4633a7c4 | 2304 | if (flags & G_KEEPERR) |
faef0170 | 2305 | PL_in_eval |= EVAL_KEEPERR; |
4633a7c4 | 2306 | else |
c69006e4 | 2307 | sv_setpvn(ERRSV,"",0); |
4633a7c4 | 2308 | } |
3280af22 | 2309 | PL_markstack_ptr++; |
a0d0e21e | 2310 | |
14dd3ad8 | 2311 | JMPENV_PUSH(ret); |
6224f72b GS |
2312 | switch (ret) { |
2313 | case 0: | |
14dd3ad8 GS |
2314 | redo_body: |
2315 | call_body((OP*)&myop, FALSE); | |
312caa8e CS |
2316 | retval = PL_stack_sp - (PL_stack_base + oldmark); |
2317 | if (!(flags & G_KEEPERR)) | |
c69006e4 | 2318 | sv_setpvn(ERRSV,"",0); |
a0d0e21e | 2319 | break; |
6224f72b | 2320 | case 1: |
f86702cc | 2321 | STATUS_ALL_FAILURE; |
a0d0e21e | 2322 | /* FALL THROUGH */ |
6224f72b | 2323 | case 2: |
a0d0e21e | 2324 | /* my_exit() was called */ |
3280af22 | 2325 | PL_curstash = PL_defstash; |
a0d0e21e | 2326 | FREETMPS; |
14dd3ad8 | 2327 | JMPENV_POP; |
cc3604b1 | 2328 | if (PL_statusvalue && !(PL_exit_flags & PERL_EXIT_EXPECTED)) |
cea2e8a9 | 2329 | Perl_croak(aTHX_ "Callback called exit"); |
f86702cc | 2330 | my_exit_jump(); |
a0d0e21e | 2331 | /* NOTREACHED */ |
6224f72b | 2332 | case 3: |
3280af22 | 2333 | if (PL_restartop) { |
533c011a | 2334 | PL_op = PL_restartop; |
3280af22 | 2335 | PL_restartop = 0; |
312caa8e | 2336 | goto redo_body; |
a0d0e21e | 2337 | } |
3280af22 | 2338 | PL_stack_sp = PL_stack_base + oldmark; |
a0d0e21e LW |
2339 | if (flags & G_ARRAY) |
2340 | retval = 0; | |
2341 | else { | |
2342 | retval = 1; | |
3280af22 | 2343 | *++PL_stack_sp = &PL_sv_undef; |
a0d0e21e | 2344 | } |
312caa8e | 2345 | break; |
a0d0e21e | 2346 | } |
a0d0e21e | 2347 | |
3280af22 | 2348 | if (PL_scopestack_ix > oldscope) { |
a0a2876f LW |
2349 | SV **newsp; |
2350 | PMOP *newpm; | |
2351 | I32 gimme; | |
c09156bb | 2352 | register PERL_CONTEXT *cx; |
a0a2876f LW |
2353 | I32 optype; |
2354 | ||
2355 | POPBLOCK(cx,newpm); | |
2356 | POPEVAL(cx); | |
3280af22 | 2357 | PL_curpm = newpm; |
a0a2876f | 2358 | LEAVE; |
a0d0e21e | 2359 | } |
14dd3ad8 | 2360 | JMPENV_POP; |
a0d0e21e | 2361 | } |
1e422769 | 2362 | |
a0d0e21e | 2363 | if (flags & G_DISCARD) { |
3280af22 | 2364 | PL_stack_sp = PL_stack_base + oldmark; |
a0d0e21e LW |
2365 | retval = 0; |
2366 | FREETMPS; | |
2367 | LEAVE; | |
2368 | } | |
533c011a | 2369 | PL_op = oldop; |
a0d0e21e LW |
2370 | return retval; |
2371 | } | |
2372 | ||
312caa8e | 2373 | STATIC void |
dd374669 | 2374 | S_call_body(pTHX_ const OP *myop, bool is_eval) |
312caa8e | 2375 | { |
312caa8e CS |
2376 | if (PL_op == myop) { |
2377 | if (is_eval) | |
f807eda9 | 2378 | PL_op = Perl_pp_entereval(aTHX); /* this doesn't do a POPMARK */ |
312caa8e | 2379 | else |
f807eda9 | 2380 | PL_op = Perl_pp_entersub(aTHX); /* this does */ |
312caa8e CS |
2381 | } |
2382 | if (PL_op) | |
cea2e8a9 | 2383 | CALLRUNOPS(aTHX); |
312caa8e CS |
2384 | } |
2385 | ||
6e72f9df | 2386 | /* Eval a string. The G_EVAL flag is always assumed. */ |
8990e307 | 2387 | |
954c1994 GS |
2388 | /* |
2389 | =for apidoc p||eval_sv | |
2390 | ||
2391 | Tells Perl to C<eval> the string in the SV. | |
2392 | ||
2393 | =cut | |
2394 | */ | |
2395 | ||
a0d0e21e | 2396 | I32 |
864dbfa3 | 2397 | Perl_eval_sv(pTHX_ SV *sv, I32 flags) |
ac27b0f5 | 2398 | |
8ac85365 | 2399 | /* See G_* flags in cop.h */ |
a0d0e21e | 2400 | { |
924508f0 | 2401 | dSP; |
a0d0e21e | 2402 | UNOP myop; /* fake syntax tree node */ |
8fa7f367 | 2403 | volatile I32 oldmark = SP - PL_stack_base; |
13689cfe | 2404 | volatile I32 retval = 0; |
6224f72b | 2405 | int ret; |
533c011a | 2406 | OP* oldop = PL_op; |
db36c5a1 | 2407 | dJMPENV; |
84902520 | 2408 | |
4633a7c4 LW |
2409 | if (flags & G_DISCARD) { |
2410 | ENTER; | |
2411 | SAVETMPS; | |
2412 | } | |
2413 | ||
462e5cf6 | 2414 | SAVEOP(); |
533c011a NIS |
2415 | PL_op = (OP*)&myop; |
2416 | Zero(PL_op, 1, UNOP); | |
3280af22 NIS |
2417 | EXTEND(PL_stack_sp, 1); |
2418 | *++PL_stack_sp = sv; | |
79072805 | 2419 | |
4633a7c4 LW |
2420 | if (!(flags & G_NOARGS)) |
2421 | myop.op_flags = OPf_STACKED; | |
79072805 | 2422 | myop.op_next = Nullop; |
6e72f9df | 2423 | myop.op_type = OP_ENTEREVAL; |
54310121 | 2424 | myop.op_flags |= ((flags & G_VOID) ? OPf_WANT_VOID : |
2425 | (flags & G_ARRAY) ? OPf_WANT_LIST : | |
2426 | OPf_WANT_SCALAR); | |
6e72f9df | 2427 | if (flags & G_KEEPERR) |
2428 | myop.op_flags |= OPf_SPECIAL; | |
4633a7c4 | 2429 | |
dedbcade DM |
2430 | /* fail now; otherwise we could fail after the JMPENV_PUSH but |
2431 | * before a PUSHEVAL, which corrupts the stack after a croak */ | |
2432 | TAINT_PROPER("eval_sv()"); | |
2433 | ||
14dd3ad8 | 2434 | JMPENV_PUSH(ret); |
6224f72b GS |
2435 | switch (ret) { |
2436 | case 0: | |
14dd3ad8 GS |
2437 | redo_body: |
2438 | call_body((OP*)&myop,TRUE); | |
312caa8e CS |
2439 | retval = PL_stack_sp - (PL_stack_base + oldmark); |
2440 | if (!(flags & G_KEEPERR)) | |
c69006e4 | 2441 | sv_setpvn(ERRSV,"",0); |
4633a7c4 | 2442 | break; |
6224f72b | 2443 | case 1: |
f86702cc | 2444 | STATUS_ALL_FAILURE; |
4633a7c4 | 2445 | /* FALL THROUGH */ |
6224f72b | 2446 | case 2: |
4633a7c4 | 2447 | /* my_exit() was called */ |
3280af22 | 2448 | PL_curstash = PL_defstash; |
4633a7c4 | 2449 | FREETMPS; |
14dd3ad8 | 2450 | JMPENV_POP; |
cc3604b1 | 2451 | if (PL_statusvalue && !(PL_exit_flags & PERL_EXIT_EXPECTED)) |
cea2e8a9 | 2452 | Perl_croak(aTHX_ "Callback called exit"); |
f86702cc | 2453 | my_exit_jump(); |
4633a7c4 | 2454 | /* NOTREACHED */ |
6224f72b | 2455 | case 3: |
3280af22 | 2456 | if (PL_restartop) { |
533c011a | 2457 | PL_op = PL_restartop; |
3280af22 | 2458 | PL_restartop = 0; |
312caa8e | 2459 | goto redo_body; |
4633a7c4 | 2460 | } |
3280af22 | 2461 | PL_stack_sp = PL_stack_base + oldmark; |
4633a7c4 LW |
2462 | if (flags & G_ARRAY) |
2463 | retval = 0; | |
2464 | else { | |
2465 | retval = 1; | |
3280af22 | 2466 | *++PL_stack_sp = &PL_sv_undef; |
4633a7c4 | 2467 | } |
312caa8e | 2468 | break; |
4633a7c4 LW |
2469 | } |
2470 | ||
14dd3ad8 | 2471 | JMPENV_POP; |
4633a7c4 | 2472 | if (flags & G_DISCARD) { |
3280af22 | 2473 | PL_stack_sp = PL_stack_base + oldmark; |
4633a7c4 LW |
2474 | retval = 0; |
2475 | FREETMPS; | |
2476 | LEAVE; | |
2477 | } | |
533c011a | 2478 | PL_op = oldop; |
4633a7c4 LW |
2479 | return retval; |
2480 | } | |
2481 | ||
954c1994 GS |
2482 | /* |
2483 | =for apidoc p||eval_pv | |
2484 | ||
2485 | Tells Perl to C<eval> the given string and return an SV* result. | |
2486 | ||
2487 | =cut | |
2488 | */ | |
2489 | ||
137443ea | 2490 | SV* |
864dbfa3 | 2491 | Perl_eval_pv(pTHX_ const char *p, I32 croak_on_error) |
137443ea | 2492 | { |
2493 | dSP; | |
2494 | SV* sv = newSVpv(p, 0); | |
2495 | ||
864dbfa3 | 2496 | eval_sv(sv, G_SCALAR); |
137443ea | 2497 | SvREFCNT_dec(sv); |
2498 | ||
2499 | SPAGAIN; | |
2500 | sv = POPs; | |
2501 | PUTBACK; | |
2502 | ||
2d8e6c8d | 2503 | if (croak_on_error && SvTRUE(ERRSV)) { |
0510663f | 2504 | Perl_croak(aTHX_ SvPVx_nolen_const(ERRSV)); |
2d8e6c8d | 2505 | } |
137443ea | 2506 | |
2507 | return sv; | |
2508 | } | |
2509 | ||
4633a7c4 LW |
2510 | /* Require a module. */ |
2511 | ||
954c1994 | 2512 | /* |
ccfc67b7 JH |
2513 | =head1 Embedding Functions |
2514 | ||
954c1994 GS |
2515 | =for apidoc p||require_pv |
2516 | ||
7d3fb230 BS |
2517 | Tells Perl to C<require> the file named by the string argument. It is |
2518 | analogous to the Perl code C<eval "require '$file'">. It's even | |
2307c6d0 | 2519 | implemented that way; consider using load_module instead. |
954c1994 | 2520 | |
7d3fb230 | 2521 | =cut */ |
954c1994 | 2522 | |
4633a7c4 | 2523 | void |
864dbfa3 | 2524 | Perl_require_pv(pTHX_ const char *pv) |
4633a7c4 | 2525 | { |
d3acc0f7 JP |
2526 | SV* sv; |
2527 | dSP; | |
e788e7d3 | 2528 | PUSHSTACKi(PERLSI_REQUIRE); |
d3acc0f7 JP |
2529 | PUTBACK; |
2530 | sv = sv_newmortal(); | |
4633a7c4 LW |
2531 | sv_setpv(sv, "require '"); |
2532 | sv_catpv(sv, pv); | |
2533 | sv_catpv(sv, "'"); | |
864dbfa3 | 2534 | eval_sv(sv, G_DISCARD); |
d3acc0f7 JP |
2535 | SPAGAIN; |
2536 | POPSTACK; | |
79072805 LW |
2537 | } |
2538 | ||
79072805 | 2539 | void |
e1ec3a88 | 2540 | Perl_magicname(pTHX_ const char *sym, const char *name, I32 namlen) |
79072805 LW |
2541 | { |
2542 | register GV *gv; | |
2543 | ||
155aba94 | 2544 | if ((gv = gv_fetchpv(sym,TRUE, SVt_PV))) |
14befaf4 | 2545 | sv_magic(GvSV(gv), (SV*)gv, PERL_MAGIC_sv, name, namlen); |
79072805 LW |
2546 | } |
2547 | ||
76e3520e | 2548 | STATIC void |
e1ec3a88 | 2549 | S_usage(pTHX_ const char *name) /* XXX move this out into a module ? */ |
4633a7c4 | 2550 | { |
ab821d7f | 2551 | /* This message really ought to be max 23 lines. |
75c72d73 | 2552 | * Removed -h because the user already knows that option. Others? */ |
fb73857a | 2553 | |
27da23d5 | 2554 | static const char * const usage_msg[] = { |
aefc56c5 SF |
2555 | "-0[octal] specify record separator (\\0, if no argument)", |
2556 | "-A[mod][=pattern] activate all/given assertions", | |
2557 | "-a autosplit mode with -n or -p (splits $_ into @F)", | |
2558 | "-C[number/list] enables the listed Unicode features", | |
2559 | "-c check syntax only (runs BEGIN and CHECK blocks)", | |
2560 | "-d[:debugger] run program under debugger", | |
2561 | "-D[number/list] set debugging flags (argument is a bit mask or alphabets)", | |
2562 | "-e program one line of program (several -e's allowed, omit programfile)", | |
aefc56c5 | 2563 | "-f don't do $sitelib/sitecustomize.pl at startup", |
aefc56c5 SF |
2564 | "-F/pattern/ split() pattern for -a switch (//'s are optional)", |
2565 | "-i[extension] edit <> files in place (makes backup if extension supplied)", | |
2566 | "-Idirectory specify @INC/#include directory (several -I's allowed)", | |
2567 | "-l[octal] enable line ending processing, specifies line terminator", | |
2568 | "-[mM][-]module execute \"use/no module...\" before executing program", | |
2569 | "-n assume \"while (<>) { ... }\" loop around program", | |
2570 | "-p assume loop like -n but print line also, like sed", | |
2571 | "-P run program through C preprocessor before compilation", | |
2572 | "-s enable rudimentary parsing for switches after programfile", | |
2573 | "-S look for programfile using PATH environment variable", | |
2574 | "-t enable tainting warnings", | |
2575 | "-T enable tainting checks", | |
2576 | "-u dump core after parsing program", | |
2577 | "-U allow unsafe operations", | |
2578 | "-v print version, subversion (includes VERY IMPORTANT perl info)", | |
2579 | "-V[:variable] print configuration summary (or a single Config.pm variable)", | |
2580 | "-w enable many useful warnings (RECOMMENDED)", | |
2581 | "-W enable all warnings", | |
2582 | "-x[directory] strip off text before #!perl line and perhaps cd to directory", | |
2583 | "-X disable all warnings", | |
fb73857a | 2584 | "\n", |
2585 | NULL | |
2586 | }; | |
27da23d5 | 2587 | const char * const *p = usage_msg; |
fb73857a | 2588 | |
b0e47665 GS |
2589 | PerlIO_printf(PerlIO_stdout(), |
2590 | "\nUsage: %s [switches] [--] [programfile] [arguments]", | |
2591 | name); | |
fb73857a | 2592 | while (*p) |
b0e47665 | 2593 | PerlIO_printf(PerlIO_stdout(), "\n %s", *p++); |
4633a7c4 LW |
2594 | } |
2595 | ||
b4ab917c DM |
2596 | /* convert a string of -D options (or digits) into an int. |
2597 | * sets *s to point to the char after the options */ | |
2598 | ||
2599 | #ifdef DEBUGGING | |
2600 | int | |
e1ec3a88 | 2601 | Perl_get_debug_opts(pTHX_ const char **s, bool givehelp) |
b4ab917c | 2602 | { |
27da23d5 | 2603 | static const char * const usage_msgd[] = { |
e6e64d9b JC |
2604 | " Debugging flag values: (see also -d)", |
2605 | " p Tokenizing and parsing (with v, displays parse stack)", | |
3679267a | 2606 | " s Stack snapshots (with v, displays all stacks)", |
e6e64d9b JC |
2607 | " l Context (loop) stack processing", |
2608 | " t Trace execution", | |
2609 | " o Method and overloading resolution", | |
2610 | " c String/numeric conversions", | |
2611 | " P Print profiling info, preprocessor command for -P, source file input state", | |
2612 | " m Memory allocation", | |
2613 | " f Format processing", | |
2614 | " r Regular expression parsing and execution", | |
2615 | " x Syntax tree dump", | |
3679267a | 2616 | " u Tainting checks", |
e6e64d9b JC |
2617 | " H Hash dump -- usurps values()", |
2618 | " X Scratchpad allocation", | |
2619 | " D Cleaning up", | |
2620 | " S Thread synchronization", | |
2621 | " T Tokenising", | |
2622 | " R Include reference counts of dumped variables (eg when using -Ds)", | |
2623 | " J Do not s,t,P-debug (Jump over) opcodes within package DB", | |
2624 | " v Verbose: use in conjunction with other flags", | |
2625 | " C Copy On Write", | |
2626 | " A Consistency checks on internal structures", | |
3679267a | 2627 | " q quiet - currently only suppresses the 'EXECUTING' message", |
e6e64d9b JC |
2628 | NULL |
2629 | }; | |
b4ab917c DM |
2630 | int i = 0; |
2631 | if (isALPHA(**s)) { | |
2632 | /* if adding extra options, remember to update DEBUG_MASK */ | |
bfed75c6 | 2633 | static const char debopts[] = "psltocPmfrxu HXDSTRJvCAq"; |
b4ab917c DM |
2634 | |
2635 | for (; isALNUM(**s); (*s)++) { | |
e1ec3a88 | 2636 | const char *d = strchr(debopts,**s); |
b4ab917c DM |
2637 | if (d) |
2638 | i |= 1 << (d - debopts); | |
2639 | else if (ckWARN_d(WARN_DEBUGGING)) | |
e6e64d9b JC |
2640 | Perl_warner(aTHX_ packWARN(WARN_DEBUGGING), |
2641 | "invalid option -D%c, use -D'' to see choices\n", **s); | |
b4ab917c DM |
2642 | } |
2643 | } | |
e6e64d9b | 2644 | else if (isDIGIT(**s)) { |
b4ab917c DM |
2645 | i = atoi(*s); |
2646 | for (; isALNUM(**s); (*s)++) ; | |
2647 | } | |
ddcf8bc1 | 2648 | else if (givehelp) { |
aadb217d | 2649 | char **p = (char **)usage_msgd; |
e6e64d9b JC |
2650 | while (*p) PerlIO_printf(PerlIO_stdout(), "%s\n", *p++); |
2651 | } | |
b4ab917c DM |
2652 | # ifdef EBCDIC |
2653 | if ((i & DEBUG_p_FLAG) && ckWARN_d(WARN_DEBUGGING)) | |
2654 | Perl_warner(aTHX_ packWARN(WARN_DEBUGGING), | |
2655 | "-Dp not implemented on this platform\n"); | |
2656 | # endif | |
2657 | return i; | |
2658 | } | |
2659 | #endif | |
2660 | ||
79072805 LW |
2661 | /* This routine handles any switches that can be given during run */ |
2662 | ||
2663 | char * | |
864dbfa3 | 2664 | Perl_moreswitches(pTHX_ char *s) |
79072805 | 2665 | { |
27da23d5 | 2666 | dVAR; |
84c133a0 | 2667 | UV rschar; |
79072805 LW |
2668 | |
2669 | switch (*s) { | |
2670 | case '0': | |
a863c7d1 | 2671 | { |
f2095865 | 2672 | I32 flags = 0; |
a3b680e6 | 2673 | STRLEN numlen; |
f2095865 JH |
2674 | |
2675 | SvREFCNT_dec(PL_rs); | |
2676 | if (s[1] == 'x' && s[2]) { | |
a3b680e6 | 2677 | const char *e = s+=2; |
f2095865 JH |
2678 | U8 *tmps; |
2679 | ||
a3b680e6 AL |
2680 | while (*e) |
2681 | e++; | |
f2095865 JH |
2682 | numlen = e - s; |
2683 | flags = PERL_SCAN_SILENT_ILLDIGIT; | |
2684 | rschar = (U32)grok_hex(s, &numlen, &flags, NULL); | |
2685 | if (s + numlen < e) { | |
2686 | rschar = 0; /* Grandfather -0xFOO as -0 -xFOO. */ | |
2687 | numlen = 0; | |
2688 | s--; | |
2689 | } | |
2690 | PL_rs = newSVpvn("", 0); | |
c5661c80 | 2691 | SvGROW(PL_rs, (STRLEN)(UNISKIP(rschar) + 1)); |
f2095865 JH |
2692 | tmps = (U8*)SvPVX(PL_rs); |
2693 | uvchr_to_utf8(tmps, rschar); | |
2694 | SvCUR_set(PL_rs, UNISKIP(rschar)); | |
2695 | SvUTF8_on(PL_rs); | |
2696 | } | |
2697 | else { | |
2698 | numlen = 4; | |
2699 | rschar = (U32)grok_oct(s, &numlen, &flags, NULL); | |
2700 | if (rschar & ~((U8)~0)) | |
2701 | PL_rs = &PL_sv_undef; | |
2702 | else if (!rschar && numlen >= 2) | |
2703 | PL_rs = newSVpvn("", 0); | |
2704 | else { | |
2705 | char ch = (char)rschar; | |
2706 | PL_rs = newSVpvn(&ch, 1); | |
2707 | } | |
2708 | } | |
800633c3 | 2709 | sv_setsv(get_sv("/", TRUE), PL_rs); |
f2095865 | 2710 | return s + numlen; |
a863c7d1 | 2711 | } |
46487f74 | 2712 | case 'C': |
a05d7ebb | 2713 | s++; |
dd374669 | 2714 | PL_unicode = parse_unicode_opts( (const char **)&s ); |
46487f74 | 2715 | return s; |
2304df62 | 2716 | case 'F': |
3280af22 | 2717 | PL_minus_F = TRUE; |
ebce5377 RGS |
2718 | PL_splitstr = ++s; |
2719 | while (*s && !isSPACE(*s)) ++s; | |
2720 | *s = '\0'; | |
2721 | PL_splitstr = savepv(PL_splitstr); | |
2304df62 | 2722 | return s; |
79072805 | 2723 | case 'a': |
3280af22 | 2724 | PL_minus_a = TRUE; |
79072805 LW |
2725 | s++; |
2726 | return s; | |
2727 | case 'c': | |
3280af22 | 2728 | PL_minus_c = TRUE; |
79072805 LW |
2729 | s++; |
2730 | return s; | |
2731 | case 'd': | |
bbce6d69 | 2732 | forbid_setid("-d"); |
4633a7c4 | 2733 | s++; |
2cbb2ee1 RGS |
2734 | |
2735 | /* -dt indicates to the debugger that threads will be used */ | |
2736 | if (*s == 't' && !isALNUM(s[1])) { | |
2737 | ++s; | |
2738 | my_setenv("PERL5DB_THREADED", "1"); | |
2739 | } | |
2740 | ||
70c94a19 RR |
2741 | /* The following permits -d:Mod to accepts arguments following an = |
2742 | in the fashion that -MSome::Mod does. */ | |
2743 | if (*s == ':' || *s == '=') { | |
06b5626a | 2744 | const char *start; |
70c94a19 RR |
2745 | SV *sv; |
2746 | sv = newSVpv("use Devel::", 0); | |
2747 | start = ++s; | |
2748 | /* We now allow -d:Module=Foo,Bar */ | |
2749 | while(isALNUM(*s) || *s==':') ++s; | |
2750 | if (*s != '=') | |
2751 | sv_catpv(sv, start); | |
2752 | else { | |
2753 | sv_catpvn(sv, start, s-start); | |
2754 | sv_catpv(sv, " split(/,/,q{"); | |
2755 | sv_catpv(sv, ++s); | |
3d27e215 | 2756 | sv_catpv(sv, "})"); |
70c94a19 | 2757 | } |
4633a7c4 | 2758 | s += strlen(s); |
70c94a19 | 2759 | my_setenv("PERL5DB", SvPV(sv, PL_na)); |
4633a7c4 | 2760 | } |
ed094faf | 2761 | if (!PL_perldb) { |
3280af22 | 2762 | PL_perldb = PERLDB_ALL; |
a0d0e21e | 2763 | init_debugger(); |
ed094faf | 2764 | } |
79072805 LW |
2765 | return s; |
2766 | case 'D': | |
0453d815 | 2767 | { |
79072805 | 2768 | #ifdef DEBUGGING |
bbce6d69 | 2769 | forbid_setid("-D"); |
b4ab917c | 2770 | s++; |
dd374669 | 2771 | PL_debug = get_debug_opts( (const char **)&s, 1) | DEBUG_TOP_FLAG; |
12a43e32 | 2772 | #else /* !DEBUGGING */ |
0453d815 | 2773 | if (ckWARN_d(WARN_DEBUGGING)) |
9014280d | 2774 | Perl_warner(aTHX_ packWARN(WARN_DEBUGGING), |
e6e64d9b | 2775 | "Recompile perl with -DDEBUGGING to use -D switch (did you mean -d ?)\n"); |
a0d0e21e | 2776 | for (s++; isALNUM(*s); s++) ; |
79072805 | 2777 | #endif |
79072805 | 2778 | return s; |
0453d815 | 2779 | } |
4633a7c4 | 2780 | case 'h': |
ac27b0f5 | 2781 | usage(PL_origargv[0]); |
7ca617d0 | 2782 | my_exit(0); |
79072805 | 2783 | case 'i': |
3280af22 NIS |
2784 | if (PL_inplace) |
2785 | Safefree(PL_inplace); | |
c030f24b GH |
2786 | #if defined(__CYGWIN__) /* do backup extension automagically */ |
2787 | if (*(s+1) == '\0') { | |
2788 | PL_inplace = savepv(".bak"); | |
2789 | return s+1; | |
2790 | } | |
2791 | #endif /* __CYGWIN__ */ | |
3280af22 | 2792 | PL_inplace = savepv(s+1); |
a6e20a40 AL |
2793 | for (s = PL_inplace; *s && !isSPACE(*s); s++) |
2794 | ; | |
7b8d334a | 2795 | if (*s) { |
fb73857a | 2796 | *s++ = '\0'; |
7b8d334a GS |
2797 | if (*s == '-') /* Additional switches on #! line. */ |
2798 | s++; | |
2799 | } | |
fb73857a | 2800 | return s; |
4e49a025 | 2801 | case 'I': /* -I handled both here and in parse_body() */ |
bbce6d69 | 2802 | forbid_setid("-I"); |
fb73857a | 2803 | ++s; |
2804 | while (*s && isSPACE(*s)) | |
2805 | ++s; | |
2806 | if (*s) { | |
774d564b | 2807 | char *e, *p; |
0df16ed7 GS |
2808 | p = s; |
2809 | /* ignore trailing spaces (possibly followed by other switches) */ | |
2810 | do { | |
2811 | for (e = p; *e && !isSPACE(*e); e++) ; | |
2812 | p = e; | |
2813 | while (isSPACE(*p)) | |
2814 | p++; | |
2815 | } while (*p && *p != '-'); | |
2816 | e = savepvn(s, e-s); | |
88fe16b2 | 2817 | incpush(e, TRUE, TRUE, FALSE, FALSE); |
0df16ed7 GS |
2818 | Safefree(e); |
2819 | s = p; | |
2820 | if (*s == '-') | |
2821 | s++; | |
79072805 LW |
2822 | } |
2823 | else | |
a67e862a | 2824 | Perl_croak(aTHX_ "No directory specified for -I"); |
fb73857a | 2825 | return s; |
79072805 | 2826 | case 'l': |
3280af22 | 2827 | PL_minus_l = TRUE; |
79072805 | 2828 | s++; |
7889fe52 NIS |
2829 | if (PL_ors_sv) { |
2830 | SvREFCNT_dec(PL_ors_sv); | |
2831 | PL_ors_sv = Nullsv; | |
2832 | } | |
79072805 | 2833 | if (isDIGIT(*s)) { |
53305cf1 | 2834 | I32 flags = 0; |
a3b680e6 | 2835 | STRLEN numlen; |
7889fe52 | 2836 | PL_ors_sv = newSVpvn("\n",1); |
53305cf1 NC |
2837 | numlen = 3 + (*s == '0'); |
2838 | *SvPVX(PL_ors_sv) = (char)grok_oct(s, &numlen, &flags, NULL); | |
79072805 LW |
2839 | s += numlen; |
2840 | } | |
2841 | else { | |
8bfdd7d9 | 2842 | if (RsPARA(PL_rs)) { |
7889fe52 NIS |
2843 | PL_ors_sv = newSVpvn("\n\n",2); |
2844 | } | |
2845 | else { | |
8bfdd7d9 | 2846 | PL_ors_sv = newSVsv(PL_rs); |
c07a80fd | 2847 | } |
79072805 LW |
2848 | } |
2849 | return s; | |
06492da6 SF |
2850 | case 'A': |
2851 | forbid_setid("-A"); | |
930366bd RGS |
2852 | if (!PL_preambleav) |
2853 | PL_preambleav = newAV(); | |
aefc56c5 SF |
2854 | s++; |
2855 | { | |
2856 | char *start = s; | |
2857 | SV *sv = newSVpv("use assertions::activate", 24); | |
2858 | while(isALNUM(*s) || *s == ':') ++s; | |
2859 | if (s != start) { | |
2860 | sv_catpvn(sv, "::", 2); | |
2861 | sv_catpvn(sv, start, s-start); | |
2862 | } | |
2863 | if (*s == '=') { | |
2864 | sv_catpvn(sv, " split(/,/,q\0", 13); | |
2865 | sv_catpv(sv, s+1); | |
2866 | sv_catpvn(sv, "\0)", 2); | |
2867 | s+=strlen(s); | |
2868 | } | |
2869 | else if (*s != '\0') { | |
2870 | Perl_croak(aTHX_ "Can't use '%c' after -A%.*s", *s, s-start, start); | |
2871 | } | |
06492da6 | 2872 | av_push(PL_preambleav, sv); |
aefc56c5 | 2873 | return s; |
06492da6 | 2874 | } |
1a30305b | 2875 | case 'M': |
bbce6d69 | 2876 | forbid_setid("-M"); /* XXX ? */ |
1a30305b | 2877 | /* FALL THROUGH */ |
2878 | case 'm': | |
bbce6d69 | 2879 | forbid_setid("-m"); /* XXX ? */ |
1a30305b | 2880 | if (*++s) { |
a5f75d66 | 2881 | char *start; |
11343788 | 2882 | SV *sv; |
e1ec3a88 | 2883 | const char *use = "use "; |
a5f75d66 AD |
2884 | /* -M-foo == 'no foo' */ |
2885 | if (*s == '-') { use = "no "; ++s; } | |
11343788 | 2886 | sv = newSVpv(use,0); |
a5f75d66 | 2887 | start = s; |
1a30305b | 2888 | /* We allow -M'Module qw(Foo Bar)' */ |
c07a80fd | 2889 | while(isALNUM(*s) || *s==':') ++s; |
2890 | if (*s != '=') { | |
11343788 | 2891 | sv_catpv(sv, start); |
c07a80fd | 2892 | if (*(start-1) == 'm') { |
2893 | if (*s != '\0') | |
cea2e8a9 | 2894 | Perl_croak(aTHX_ "Can't use '%c' after -mname", *s); |
11343788 | 2895 | sv_catpv( sv, " ()"); |
c07a80fd | 2896 | } |
2897 | } else { | |
6df41af2 | 2898 | if (s == start) |
be98fb35 GS |
2899 | Perl_croak(aTHX_ "Module name required with -%c option", |
2900 | s[-1]); | |
11343788 | 2901 | sv_catpvn(sv, start, s-start); |
3d27e215 LM |
2902 | sv_catpv(sv, " split(/,/,q"); |
2903 | sv_catpvn(sv, "\0)", 1); /* Use NUL as q//-delimiter. */ | |
11343788 | 2904 | sv_catpv(sv, ++s); |
3d27e215 | 2905 | sv_catpvn(sv, "\0)", 2); |
c07a80fd | 2906 | } |
1a30305b | 2907 | s += strlen(s); |
5c831c24 | 2908 | if (!PL_preambleav) |
3280af22 NIS |
2909 | PL_preambleav = newAV(); |
2910 | av_push(PL_preambleav, sv); | |
1a30305b | 2911 | } |
2912 | else | |
9e81e6a1 | 2913 | Perl_croak(aTHX_ "Missing argument to -%c", *(s-1)); |
1a30305b | 2914 | return s; |
79072805 | 2915 | case 'n': |
3280af22 | 2916 | PL_minus_n = TRUE; |
79072805 LW |
2917 | s++; |
2918 | return s; | |
2919 | case 'p': | |
3280af22 | 2920 | PL_minus_p = TRUE; |
79072805 LW |
2921 | s++; |
2922 | return s; | |
2923 | case 's': | |
bbce6d69 | 2924 | forbid_setid("-s"); |
3280af22 | 2925 | PL_doswitches = TRUE; |
79072805 LW |
2926 | s++; |
2927 | return s; | |
6537fe72 MS |
2928 | case 't': |
2929 | if (!PL_tainting) | |
22f7c9c9 | 2930 | TOO_LATE_FOR('t'); |
6537fe72 MS |
2931 | s++; |
2932 | return s; | |
463ee0b2 | 2933 | case 'T': |
3280af22 | 2934 | if (!PL_tainting) |
22f7c9c9 | 2935 | TOO_LATE_FOR('T'); |
463ee0b2 LW |
2936 | s++; |
2937 | return s; | |
79072805 | 2938 | case 'u': |
bf4acbe4 GS |
2939 | #ifdef MACOS_TRADITIONAL |
2940 | Perl_croak(aTHX_ "Believe me, you don't want to use \"-u\" on a Macintosh"); | |
2941 | #endif | |
3280af22 | 2942 | PL_do_undump = TRUE; |
79072805 LW |
2943 | s++; |
2944 | return s; | |
2945 | case 'U': | |
3280af22 | 2946 | PL_unsafe = TRUE; |
79072805 LW |
2947 | s++; |
2948 | return s; | |
2949 | case 'v': | |
d7aa5382 JP |
2950 | if (!sv_derived_from(PL_patchlevel, "version")) |
2951 | (void *)upg_version(PL_patchlevel); | |
8e9464f1 | 2952 | #if !defined(DGUX) |
b0e47665 | 2953 | PerlIO_printf(PerlIO_stdout(), |
52ea0aec | 2954 | Perl_form(aTHX_ "\nThis is perl, %"SVf" built for %s", |
d7aa5382 JP |
2955 | vstringify(PL_patchlevel), |
2956 | ARCHNAME)); | |
8e9464f1 JH |
2957 | #else /* DGUX */ |
2958 | /* Adjust verbose output as in the perl that ships with the DG/UX OS from EMC */ | |
2959 | PerlIO_printf(PerlIO_stdout(), | |
52ea0aec | 2960 | Perl_form(aTHX_ "\nThis is perl, %"SVf"\n", |
d7aa5382 | 2961 | vstringify(PL_patchlevel))); |
8e9464f1 JH |
2962 | PerlIO_printf(PerlIO_stdout(), |
2963 | Perl_form(aTHX_ " built under %s at %s %s\n", | |
2964 | OSNAME, __DATE__, __TIME__)); | |
2965 | PerlIO_printf(PerlIO_stdout(), | |
2966 | Perl_form(aTHX_ " OS Specific Release: %s\n", | |
40a39f85 | 2967 | OSVERS)); |
8e9464f1 JH |
2968 | #endif /* !DGUX */ |
2969 | ||
fb73857a | 2970 | #if defined(LOCAL_PATCH_COUNT) |
2971 | if (LOCAL_PATCH_COUNT > 0) | |
b0e47665 GS |
2972 | PerlIO_printf(PerlIO_stdout(), |
2973 | "\n(with %d registered patch%s, " | |
2974 | "see perl -V for more detail)", | |
2975 | (int)LOCAL_PATCH_COUNT, | |
2976 | (LOCAL_PATCH_COUNT!=1) ? "es" : ""); | |
a5f75d66 | 2977 | #endif |
1a30305b | 2978 | |
b0e47665 | 2979 | PerlIO_printf(PerlIO_stdout(), |
359b00fe | 2980 | "\n\nCopyright 1987-2005, Larry Wall\n"); |
eae9c151 JH |
2981 | #ifdef MACOS_TRADITIONAL |
2982 | PerlIO_printf(PerlIO_stdout(), | |
be3c0a43 | 2983 | "\nMac OS port Copyright 1991-2002, Matthias Neeracher;\n" |
03765510 | 2984 | "maintained by Chris Nandor\n"); |
eae9c151 | 2985 | #endif |
79072805 | 2986 | #ifdef MSDOS |
b0e47665 GS |
2987 | PerlIO_printf(PerlIO_stdout(), |
2988 | "\nMS-DOS port Copyright (c) 1989, 1990, Diomidis Spinellis\n"); | |
55497cff | 2989 | #endif |
2990 | #ifdef DJGPP | |
b0e47665 GS |
2991 | PerlIO_printf(PerlIO_stdout(), |
2992 | "djgpp v2 port (jpl5003c) by Hirofumi Watanabe, 1996\n" | |
2993 | "djgpp v2 port (perl5004+) by Laszlo Molnar, 1997-1999\n"); | |
4633a7c4 | 2994 | #endif |
79072805 | 2995 | #ifdef OS2 |
b0e47665 GS |
2996 | PerlIO_printf(PerlIO_stdout(), |
2997 | "\n\nOS/2 port Copyright (c) 1990, 1991, Raymond Chen, Kai Uwe Rommel\n" | |
be3c0a43 | 2998 | "Version 5 port Copyright (c) 1994-2002, Andreas Kaiser, Ilya Zakharevich\n"); |
79072805 | 2999 | #endif |
79072805 | 3000 | #ifdef atarist |
b0e47665 GS |
3001 | PerlIO_printf(PerlIO_stdout(), |
3002 | "atariST series port, ++jrb bammi@cadence.com\n"); | |
79072805 | 3003 | #endif |
a3f9223b | 3004 | #ifdef __BEOS__ |
b0e47665 GS |
3005 | PerlIO_printf(PerlIO_stdout(), |
3006 | "BeOS port Copyright Tom Spindler, 1997-1999\n"); | |
a3f9223b | 3007 | #endif |
1d84e8df | 3008 | #ifdef MPE |
b0e47665 | 3009 | PerlIO_printf(PerlIO_stdout(), |
e583a879 | 3010 | "MPE/iX port Copyright by Mark Klein and Mark Bixby, 1996-2003\n"); |
1d84e8df | 3011 | #endif |
9d116dd7 | 3012 | #ifdef OEMVS |
b0e47665 GS |
3013 | PerlIO_printf(PerlIO_stdout(), |
3014 | "MVS (OS390) port by Mortice Kern Systems, 1997-1999\n"); | |
9d116dd7 | 3015 | #endif |
495c5fdc | 3016 | #ifdef __VOS__ |
b0e47665 | 3017 | PerlIO_printf(PerlIO_stdout(), |
94efb9fb | 3018 | "Stratus VOS port by Paul.Green@stratus.com, 1997-2002\n"); |
495c5fdc | 3019 | #endif |
092bebab | 3020 | #ifdef __OPEN_VM |
b0e47665 GS |
3021 | PerlIO_printf(PerlIO_stdout(), |
3022 | "VM/ESA port by Neale Ferguson, 1998-1999\n"); | |
092bebab | 3023 | #endif |
a1a0e61e | 3024 | #ifdef POSIX_BC |
b0e47665 GS |
3025 | PerlIO_printf(PerlIO_stdout(), |
3026 | "BS2000 (POSIX) port by Start Amadeus GmbH, 1998-1999\n"); | |
a1a0e61e | 3027 | #endif |
61ae2fbf | 3028 | #ifdef __MINT__ |
b0e47665 GS |
3029 | PerlIO_printf(PerlIO_stdout(), |
3030 | "MiNT port by Guido Flohr, 1997-1999\n"); | |
61ae2fbf | 3031 | #endif |
f83d2536 | 3032 | #ifdef EPOC |
b0e47665 | 3033 | PerlIO_printf(PerlIO_stdout(), |
be3c0a43 | 3034 | "EPOC port by Olaf Flebbe, 1999-2002\n"); |
f83d2536 | 3035 | #endif |
e1caacb4 | 3036 | #ifdef UNDER_CE |
b475b3e6 JH |
3037 | PerlIO_printf(PerlIO_stdout(),"WINCE port by Rainer Keuchel, 2001-2002\n"); |
3038 | PerlIO_printf(PerlIO_stdout(),"Built on " __DATE__ " " __TIME__ "\n\n"); | |
e1caacb4 JH |
3039 | wce_hitreturn(); |
3040 | #endif | |
27da23d5 JH |
3041 | #ifdef SYMBIAN |
3042 | PerlIO_printf(PerlIO_stdout(), | |
3043 | "Symbian port by Nokia, 2004-2005\n"); | |
3044 | #endif | |
baed7233 DL |
3045 | #ifdef BINARY_BUILD_NOTICE |
3046 | BINARY_BUILD_NOTICE; | |
3047 | #endif | |
b0e47665 GS |
3048 | PerlIO_printf(PerlIO_stdout(), |
3049 | "\n\ | |
79072805 | 3050 | Perl may be copied only under the terms of either the Artistic License or the\n\ |
3d6f292d | 3051 | GNU General Public License, which may be found in the Perl 5 source kit.\n\n\ |
95103687 | 3052 | Complete documentation for Perl, including FAQ lists, should be found on\n\ |
a0288114 | 3053 | this system using \"man perl\" or \"perldoc perl\". If you have access to the\n\ |
c9e30dd8 | 3054 | Internet, point your browser at http://www.perl.org/, the Perl Home Page.\n\n"); |
7ca617d0 | 3055 | my_exit(0); |
79072805 | 3056 | case 'w': |
599cee73 | 3057 | if (! (PL_dowarn & G_WARN_ALL_MASK)) |
ac27b0f5 | 3058 | PL_dowarn |= G_WARN_ON; |
599cee73 PM |
3059 | s++; |
3060 | return s; | |
3061 | case 'W': | |
ac27b0f5 | 3062 | PL_dowarn = G_WARN_ALL_ON|G_WARN_ON; |
317ea90d MS |
3063 | if (!specialWARN(PL_compiling.cop_warnings)) |
3064 | SvREFCNT_dec(PL_compiling.cop_warnings); | |
d3a7d8c7 | 3065 | PL_compiling.cop_warnings = pWARN_ALL ; |
599cee73 PM |
3066 | s++; |
3067 | return s; | |
3068 | case 'X': | |
ac27b0f5 | 3069 | PL_dowarn = G_WARN_ALL_OFF; |
317ea90d MS |
3070 | if (!specialWARN(PL_compiling.cop_warnings)) |
3071 | SvREFCNT_dec(PL_compiling.cop_warnings); | |
d3a7d8c7 | 3072 | PL_compiling.cop_warnings = pWARN_NONE ; |
79072805 LW |
3073 | s++; |
3074 | return s; | |
a0d0e21e | 3075 | case '*': |
79072805 LW |
3076 | case ' ': |
3077 | if (s[1] == '-') /* Additional switches on #! line. */ | |
3078 | return s+2; | |
3079 | break; | |
a0d0e21e | 3080 | case '-': |
79072805 | 3081 | case 0: |
51882d45 | 3082 | #if defined(WIN32) || !defined(PERL_STRICT_CR) |
a868473f NIS |
3083 | case '\r': |
3084 | #endif | |
79072805 LW |
3085 | case '\n': |
3086 | case '\t': | |
3087 | break; | |
aa689395 | 3088 | #ifdef ALTERNATE_SHEBANG |
3089 | case 'S': /* OS/2 needs -S on "extproc" line. */ | |
3090 | break; | |
3091 | #endif | |
a0d0e21e | 3092 | case 'P': |
3280af22 | 3093 | if (PL_preprocess) |
a0d0e21e LW |
3094 | return s+1; |
3095 | /* FALL THROUGH */ | |
79072805 | 3096 | default: |
cea2e8a9 | 3097 | Perl_croak(aTHX_ "Can't emulate -%.1s on #! line",s); |
79072805 LW |
3098 | } |
3099 | return Nullch; | |
3100 | } | |
3101 | ||
3102 | /* compliments of Tom Christiansen */ | |
3103 | ||
3104 | /* unexec() can be found in the Gnu emacs distribution */ | |
ee580363 | 3105 | /* Known to work with -DUNEXEC and using unexelf.c from GNU emacs-20.2 */ |
79072805 LW |
3106 | |
3107 | void | |
864dbfa3 | 3108 | Perl_my_unexec(pTHX) |
79072805 LW |
3109 | { |
3110 | #ifdef UNEXEC | |
46fc3d4c | 3111 | SV* prog; |
3112 | SV* file; | |
ee580363 | 3113 | int status = 1; |
79072805 LW |
3114 | extern int etext; |
3115 | ||
ee580363 | 3116 | prog = newSVpv(BIN_EXP, 0); |
46fc3d4c | 3117 | sv_catpv(prog, "/perl"); |
6b88bc9c | 3118 | file = newSVpv(PL_origfilename, 0); |
46fc3d4c | 3119 | sv_catpv(file, ".perldump"); |
79072805 | 3120 | |
ee580363 GS |
3121 | unexec(SvPVX(file), SvPVX(prog), &etext, sbrk(0), 0); |
3122 | /* unexec prints msg to stderr in case of failure */ | |
6ad3d225 | 3123 | PerlProc_exit(status); |
79072805 | 3124 | #else |
a5f75d66 AD |
3125 | # ifdef VMS |
3126 | # include <lib$routines.h> | |
3127 | lib$signal(SS$_DEBUG); /* ssdef.h #included from vmsish.h */ | |
aa689395 | 3128 | # else |
79072805 | 3129 | ABORT(); /* for use with undump */ |
aa689395 | 3130 | # endif |
a5f75d66 | 3131 | #endif |
79072805 LW |
3132 | } |
3133 | ||
cb68f92d GS |
3134 | /* initialize curinterp */ |
3135 | STATIC void | |
cea2e8a9 | 3136 | S_init_interp(pTHX) |
cb68f92d GS |
3137 | { |
3138 | ||
acfe0abc GS |
3139 | #ifdef MULTIPLICITY |
3140 | # define PERLVAR(var,type) | |
3141 | # define PERLVARA(var,n,type) | |
3142 | # if defined(PERL_IMPLICIT_CONTEXT) | |
3143 | # if defined(USE_5005THREADS) | |
3144 | # define PERLVARI(var,type,init) PERL_GET_INTERP->var = init; | |
27da23d5 | 3145 | # define PERLVARIC(var,type,init) PERL_GET_INTERP->var = init; |
acfe0abc GS |
3146 | # else /* !USE_5005THREADS */ |
3147 | # define PERLVARI(var,type,init) aTHX->var = init; | |
3148 | # define PERLVARIC(var,type,init) aTHX->var = init; | |
3149 | # endif /* USE_5005THREADS */ | |
3967c732 | 3150 | # else |
acfe0abc GS |
3151 | # define PERLVARI(var,type,init) PERL_GET_INTERP->var = init; |
3152 | # define PERLVARIC(var,type,init) PERL_GET_INTERP->var = init; | |
066ef5b5 | 3153 | # endif |
acfe0abc GS |
3154 | # include "intrpvar.h" |
3155 | # ifndef USE_5005THREADS | |
3156 | # include "thrdvar.h" | |
3157 | # endif | |
3158 | # undef PERLVAR | |
3159 | # undef PERLVARA | |
3160 | # undef PERLVARI | |
3161 | # undef PERLVARIC | |
3162 | #else | |
3163 | # define PERLVAR(var,type) | |
3164 | # define PERLVARA(var,n,type) | |
3165 | # define PERLVARI(var,type,init) PL_##var = init; | |
3166 | # define PERLVARIC(var,type,init) PL_##var = init; | |
3167 | # include "intrpvar.h" | |
3168 | # ifndef USE_5005THREADS | |
3169 | # include "thrdvar.h" | |
3170 | # endif | |
3171 | # undef PERLVAR | |
3172 | # undef PERLVARA | |
3173 | # undef PERLVARI | |
3174 | # undef PERLVARIC | |
cb68f92d GS |
3175 | #endif |
3176 | ||
cb68f92d GS |
3177 | } |
3178 | ||
76e3520e | 3179 | STATIC void |
cea2e8a9 | 3180 | S_init_main_stash(pTHX) |
79072805 | 3181 | { |
463ee0b2 | 3182 | GV *gv; |
6e72f9df | 3183 | |
3280af22 | 3184 | PL_curstash = PL_defstash = newHV(); |
79cb57f6 | 3185 | PL_curstname = newSVpvn("main",4); |
adbc6bb1 LW |
3186 | gv = gv_fetchpv("main::",TRUE, SVt_PVHV); |
3187 | SvREFCNT_dec(GvHV(gv)); | |
3280af22 | 3188 | GvHV(gv) = (HV*)SvREFCNT_inc(PL_defstash); |
463ee0b2 | 3189 | SvREADONLY_on(gv); |
bfcb3514 | 3190 | Perl_hv_name_set(aTHX_ PL_defstash, "main", 4, 0); |
3280af22 NIS |
3191 | PL_incgv = gv_HVadd(gv_AVadd(gv_fetchpv("INC",TRUE, SVt_PVAV))); |
3192 | GvMULTI_on(PL_incgv); | |
3193 | PL_hintgv = gv_fetchpv("\010",TRUE, SVt_PV); /* ^H */ | |
3194 | GvMULTI_on(PL_hintgv); | |
3195 | PL_defgv = gv_fetchpv("_",TRUE, SVt_PVAV); | |
3196 | PL_errgv = gv_HVadd(gv_fetchpv("@", TRUE, SVt_PV)); | |
3197 | GvMULTI_on(PL_errgv); | |
3198 | PL_replgv = gv_fetchpv("\022", TRUE, SVt_PV); /* ^R */ | |
3199 | GvMULTI_on(PL_replgv); | |
cea2e8a9 | 3200 | (void)Perl_form(aTHX_ "%240s",""); /* Preallocate temp - for immediate signals. */ |
38a03e6e MB |
3201 | sv_grow(ERRSV, 240); /* Preallocate - for immediate signals. */ |
3202 | sv_setpvn(ERRSV, "", 0); | |
3280af22 | 3203 | PL_curstash = PL_defstash; |
11faa288 | 3204 | CopSTASH_set(&PL_compiling, PL_defstash); |
ed094faf | 3205 | PL_debstash = GvHV(gv_fetchpv("DB::", GV_ADDMULTI, SVt_PVHV)); |
3280af22 | 3206 | PL_globalstash = GvHV(gv_fetchpv("CORE::GLOBAL::", GV_ADDMULTI, SVt_PVHV)); |
4633a7c4 | 3207 | /* We must init $/ before switches are processed. */ |
864dbfa3 | 3208 | sv_setpvn(get_sv("/", TRUE), "\n", 1); |
79072805 LW |
3209 | } |
3210 | ||
ae3f3efd | 3211 | /* PSz 18 Nov 03 fdscript now global but do not change prototype */ |
76e3520e | 3212 | STATIC void |
dd374669 | 3213 | S_open_script(pTHX_ const char *scriptname, bool dosearch, SV *sv) |
79072805 | 3214 | { |
ae3f3efd | 3215 | #ifndef IAMSUID |
e1ec3a88 AL |
3216 | const char *quote; |
3217 | const char *code; | |
3218 | const char *cpp_discard_flag; | |
3219 | const char *perl; | |
ae3f3efd | 3220 | #endif |
27da23d5 | 3221 | dVAR; |
1b24ed4b | 3222 | |
ae3f3efd PS |
3223 | PL_fdscript = -1; |
3224 | PL_suidscript = -1; | |
79072805 | 3225 | |
3280af22 | 3226 | if (PL_e_script) { |
ff5bdd37 | 3227 | PL_origfilename = savepvn("-e", 2); |
96436eeb | 3228 | } |
6c4ab083 GS |
3229 | else { |
3230 | /* if find_script() returns, it returns a malloc()-ed value */ | |
dd374669 | 3231 | scriptname = PL_origfilename = find_script(scriptname, dosearch, NULL, 1); |
6c4ab083 GS |
3232 | |
3233 | if (strnEQ(scriptname, "/dev/fd/", 8) && isDIGIT(scriptname[8]) ) { | |
e1ec3a88 | 3234 | const char *s = scriptname + 8; |
ae3f3efd | 3235 | PL_fdscript = atoi(s); |
6c4ab083 GS |
3236 | while (isDIGIT(*s)) |
3237 | s++; | |
3238 | if (*s) { | |
ae3f3efd PS |
3239 | /* PSz 18 Feb 04 |
3240 | * Tell apart "normal" usage of fdscript, e.g. | |
3241 | * with bash on FreeBSD: | |
3242 | * perl <( echo '#!perl -DA'; echo 'print "$0\n"') | |
3243 | * from usage in suidperl. | |
3244 | * Does any "normal" usage leave garbage after the number??? | |
3245 | * Is it a mistake to use a similar /dev/fd/ construct for | |
3246 | * suidperl? | |
3247 | */ | |
3248 | PL_suidscript = 1; | |
3249 | /* PSz 20 Feb 04 | |
3250 | * Be supersafe and do some sanity-checks. | |
3251 | * Still, can we be sure we got the right thing? | |
3252 | */ | |
3253 | if (*s != '/') { | |
3254 | Perl_croak(aTHX_ "Wrong syntax (suid) fd script name \"%s\"\n", s); | |
3255 | } | |
3256 | if (! *(s+1)) { | |
3257 | Perl_croak(aTHX_ "Missing (suid) fd script name\n"); | |
3258 | } | |
6c4ab083 | 3259 | scriptname = savepv(s + 1); |
3280af22 | 3260 | Safefree(PL_origfilename); |
dd374669 | 3261 | PL_origfilename = (char *)scriptname; |
6c4ab083 GS |
3262 | } |
3263 | } | |
3264 | } | |
3265 | ||
05ec9bb3 | 3266 | CopFILE_free(PL_curcop); |
57843af0 | 3267 | CopFILE_set(PL_curcop, PL_origfilename); |
770526c1 | 3268 | if (*PL_origfilename == '-' && PL_origfilename[1] == '\0') |
dd374669 | 3269 | scriptname = (char *)""; |
ae3f3efd PS |
3270 | if (PL_fdscript >= 0) { |
3271 | PL_rsfp = PerlIO_fdopen(PL_fdscript,PERL_SCRIPT_MODE); | |
1b24ed4b MS |
3272 | # if defined(HAS_FCNTL) && defined(F_SETFD) |
3273 | if (PL_rsfp) | |
3274 | /* ensure close-on-exec */ | |
3275 | fcntl(PerlIO_fileno(PL_rsfp),F_SETFD,1); | |
3276 | # endif | |
96436eeb | 3277 | } |
ae3f3efd PS |
3278 | #ifdef IAMSUID |
3279 | else { | |
86207487 NC |
3280 | Perl_croak(aTHX_ "sperl needs fd script\n" |
3281 | "You should not call sperl directly; do you need to " | |
3282 | "change a #! line\nfrom sperl to perl?\n"); | |
3283 | ||
ae3f3efd PS |
3284 | /* PSz 11 Nov 03 |
3285 | * Do not open (or do other fancy stuff) while setuid. | |
3286 | * Perl does the open, and hands script to suidperl on a fd; | |
3287 | * suidperl only does some checks, sets up UIDs and re-execs | |
3288 | * perl with that fd as it has always done. | |
3289 | */ | |
3290 | } | |
3291 | if (PL_suidscript != 1) { | |
3292 | Perl_croak(aTHX_ "suidperl needs (suid) fd script\n"); | |
3293 | } | |
3294 | #else /* IAMSUID */ | |
3280af22 | 3295 | else if (PL_preprocess) { |
dd374669 | 3296 | const char *cpp_cfg = CPPSTDIN; |
79cb57f6 | 3297 | SV *cpp = newSVpvn("",0); |
46fc3d4c | 3298 | SV *cmd = NEWSV(0,0); |
3299 | ||
ae58f265 JH |
3300 | if (cpp_cfg[0] == 0) /* PERL_MICRO? */ |
3301 | Perl_croak(aTHX_ "Can't run with cpp -P with CPPSTDIN undefined"); | |
46fc3d4c | 3302 | if (strEQ(cpp_cfg, "cppstdin")) |
cea2e8a9 | 3303 | Perl_sv_catpvf(aTHX_ cpp, "%s/", BIN_EXP); |
46fc3d4c | 3304 | sv_catpv(cpp, cpp_cfg); |
79072805 | 3305 | |
1b24ed4b MS |
3306 | # ifndef VMS |
3307 | sv_catpvn(sv, "-I", 2); | |
3308 | sv_catpv(sv,PRIVLIB_EXP); | |
3309 | # endif | |
46fc3d4c | 3310 | |
14953ddc MB |
3311 | DEBUG_P(PerlIO_printf(Perl_debug_log, |
3312 | "PL_preprocess: scriptname=\"%s\", cpp=\"%s\", sv=\"%s\", CPPMINUS=\"%s\"\n", | |
848ef955 NC |
3313 | scriptname, SvPVX_const (cpp), SvPVX_const (sv), |
3314 | CPPMINUS)); | |
1b24ed4b MS |
3315 | |
3316 | # if defined(MSDOS) || defined(WIN32) || defined(VMS) | |
3317 | quote = "\""; | |
3318 | # else | |
3319 | quote = "'"; | |
3320 | # endif | |
3321 | ||
3322 | # ifdef VMS | |
3323 | cpp_discard_flag = ""; | |
3324 | # else | |
3325 | cpp_discard_flag = "-C"; | |
3326 | # endif | |
3327 | ||
3328 | # ifdef OS2 | |
3329 | perl = os2_execname(aTHX); | |
3330 | # else | |
3331 | perl = PL_origargv[0]; | |
3332 | # endif | |
3333 | ||
3334 | ||
3335 | /* This strips off Perl comments which might interfere with | |
62375a60 NIS |
3336 | the C pre-processor, including #!. #line directives are |
3337 | deliberately stripped to avoid confusion with Perl's version | |
1b24ed4b MS |
3338 | of #line. FWP played some golf with it so it will fit |
3339 | into VMS's 255 character buffer. | |
3340 | */ | |
3341 | if( PL_doextract ) | |
3342 | code = "(1../^#!.*perl/i)|/^\\s*#(?!\\s*((ifn?|un)def|(el|end)?if|define|include|else|error|pragma)\\b)/||!($|=1)||print"; | |
3343 | else | |
3344 | code = "/^\\s*#(?!\\s*((ifn?|un)def|(el|end)?if|define|include|else|error|pragma)\\b)/||!($|=1)||print"; | |
3345 | ||
3346 | Perl_sv_setpvf(aTHX_ cmd, "\ | |
3347 | %s -ne%s%s%s %s | %"SVf" %s %"SVf" %s", | |
62375a60 | 3348 | perl, quote, code, quote, scriptname, cpp, |
1b24ed4b MS |
3349 | cpp_discard_flag, sv, CPPMINUS); |
3350 | ||
3280af22 | 3351 | PL_doextract = FALSE; |
0a6c758d | 3352 | |
62375a60 NIS |
3353 | DEBUG_P(PerlIO_printf(Perl_debug_log, |
3354 | "PL_preprocess: cmd=\"%s\"\n", | |
848ef955 | 3355 | SvPVX_const(cmd))); |
0a6c758d | 3356 | |
848ef955 | 3357 | PL_rsfp = PerlProc_popen((char *)SvPVX_const(cmd), (char *)"r"); |
46fc3d4c | 3358 | SvREFCNT_dec(cmd); |
3359 | SvREFCNT_dec(cpp); | |
79072805 LW |
3360 | } |
3361 | else if (!*scriptname) { | |
bbce6d69 | 3362 | forbid_setid("program input from stdin"); |
3280af22 | 3363 | PL_rsfp = PerlIO_stdin(); |
79072805 | 3364 | } |
96436eeb | 3365 | else { |
3280af22 | 3366 | PL_rsfp = PerlIO_open(scriptname,PERL_SCRIPT_MODE); |
1b24ed4b MS |
3367 | # if defined(HAS_FCNTL) && defined(F_SETFD) |
3368 | if (PL_rsfp) | |
3369 | /* ensure close-on-exec */ | |
3370 | fcntl(PerlIO_fileno(PL_rsfp),F_SETFD,1); | |
3371 | # endif | |
96436eeb | 3372 | } |
ae3f3efd | 3373 | #endif /* IAMSUID */ |
3280af22 | 3374 | if (!PL_rsfp) { |
447218f8 | 3375 | /* PSz 16 Sep 03 Keep neat error message */ |
fa3aa65a JC |
3376 | Perl_croak(aTHX_ "Can't open perl script \"%s\": %s\n", |
3377 | CopFILE(PL_curcop), Strerror(errno)); | |
13281fa4 | 3378 | } |
79072805 | 3379 | } |
8d063cd8 | 3380 | |
7b89560d JH |
3381 | /* Mention |
3382 | * I_SYSSTATVFS HAS_FSTATVFS | |
3383 | * I_SYSMOUNT | |
c890dc6c | 3384 | * I_STATFS HAS_FSTATFS HAS_GETFSSTAT |
7b89560d JH |
3385 | * I_MNTENT HAS_GETMNTENT HAS_HASMNTOPT |
3386 | * here so that metaconfig picks them up. */ | |
3387 | ||
104d25b7 | 3388 | #ifdef IAMSUID |
864dbfa3 | 3389 | STATIC int |
e688b231 | 3390 | S_fd_on_nosuid_fs(pTHX_ int fd) |
104d25b7 | 3391 | { |
ae3f3efd PS |
3392 | /* PSz 27 Feb 04 |
3393 | * We used to do this as "plain" user (after swapping UIDs with setreuid); | |
3394 | * but is needed also on machines without setreuid. | |
3395 | * Seems safe enough to run as root. | |
3396 | */ | |
0545a864 JH |
3397 | int check_okay = 0; /* able to do all the required sys/libcalls */ |
3398 | int on_nosuid = 0; /* the fd is on a nosuid fs */ | |
ae3f3efd PS |
3399 | /* PSz 12 Nov 03 |
3400 | * Need to check noexec also: nosuid might not be set, the average | |
3401 | * sysadmin would say that nosuid is irrelevant once he sets noexec. | |
3402 | */ | |
3403 | int on_noexec = 0; /* the fd is on a noexec fs */ | |
3404 | ||
104d25b7 | 3405 | /* |
ad27e871 | 3406 | * Preferred order: fstatvfs(), fstatfs(), ustat()+getmnt(), getmntent(). |
e688b231 | 3407 | * fstatvfs() is UNIX98. |
0545a864 | 3408 | * fstatfs() is 4.3 BSD. |
ad27e871 | 3409 | * ustat()+getmnt() is pre-4.3 BSD. |
0545a864 JH |
3410 | * getmntent() is O(number-of-mounted-filesystems) and can hang on |
3411 | * an irrelevant filesystem while trying to reach the right one. | |
104d25b7 JH |
3412 | */ |
3413 | ||
6439433f JH |
3414 | #undef FD_ON_NOSUID_CHECK_OKAY /* found the syscalls to do the check? */ |
3415 | ||
3416 | # if !defined(FD_ON_NOSUID_CHECK_OKAY) && \ | |
3417 | defined(HAS_FSTATVFS) | |
3418 | # define FD_ON_NOSUID_CHECK_OKAY | |
104d25b7 | 3419 | struct statvfs stfs; |
6439433f | 3420 | |
104d25b7 JH |
3421 | check_okay = fstatvfs(fd, &stfs) == 0; |
3422 | on_nosuid = check_okay && (stfs.f_flag & ST_NOSUID); | |
ae3f3efd PS |
3423 | #ifdef ST_NOEXEC |
3424 | /* ST_NOEXEC certainly absent on AIX 5.1, and doesn't seem to be documented | |
3425 | on platforms where it is present. */ | |
3426 | on_noexec = check_okay && (stfs.f_flag & ST_NOEXEC); | |
3427 | #endif | |
6439433f | 3428 | # endif /* fstatvfs */ |
ac27b0f5 | 3429 | |
6439433f JH |
3430 | # if !defined(FD_ON_NOSUID_CHECK_OKAY) && \ |
3431 | defined(PERL_MOUNT_NOSUID) && \ | |
ae3f3efd | 3432 | defined(PERL_MOUNT_NOEXEC) && \ |
6439433f JH |
3433 | defined(HAS_FSTATFS) && \ |
3434 | defined(HAS_STRUCT_STATFS) && \ | |
3435 | defined(HAS_STRUCT_STATFS_F_FLAGS) | |
3436 | # define FD_ON_NOSUID_CHECK_OKAY | |
e688b231 | 3437 | struct statfs stfs; |
6439433f | 3438 | |
104d25b7 | 3439 | check_okay = fstatfs(fd, &stfs) == 0; |
104d25b7 | 3440 | on_nosuid = check_okay && (stfs.f_flags & PERL_MOUNT_NOSUID); |
ae3f3efd | 3441 | on_noexec = check_okay && (stfs.f_flags & PERL_MOUNT_NOEXEC); |
6439433f JH |
3442 | # endif /* fstatfs */ |
3443 | ||
3444 | # if !defined(FD_ON_NOSUID_CHECK_OKAY) && \ | |
3445 | defined(PERL_MOUNT_NOSUID) && \ | |
ae3f3efd | 3446 | defined(PERL_MOUNT_NOEXEC) && \ |
6439433f JH |
3447 | defined(HAS_FSTAT) && \ |
3448 | defined(HAS_USTAT) && \ | |
3449 | defined(HAS_GETMNT) && \ | |
3450 | defined(HAS_STRUCT_FS_DATA) && \ | |
3451 | defined(NOSTAT_ONE) | |
3452 | # define FD_ON_NOSUID_CHECK_OKAY | |
c623ac67 | 3453 | Stat_t fdst; |
6439433f | 3454 | |
0545a864 | 3455 | if (fstat(fd, &fdst) == 0) { |
6439433f JH |
3456 | struct ustat us; |
3457 | if (ustat(fdst.st_dev, &us) == 0) { | |
3458 | struct fs_data fsd; | |
3459 | /* NOSTAT_ONE here because we're not examining fields which | |
3460 | * vary between that case and STAT_ONE. */ | |
ad27e871 | 3461 | if (getmnt((int*)0, &fsd, (int)0, NOSTAT_ONE, us.f_fname) == 0) { |
6439433f JH |
3462 | size_t cmplen = sizeof(us.f_fname); |
3463 | if (sizeof(fsd.fd_req.path) < cmplen) | |
3464 | cmplen = sizeof(fsd.fd_req.path); | |
3465 | if (strnEQ(fsd.fd_req.path, us.f_fname, cmplen) && | |
3466 | fdst.st_dev == fsd.fd_req.dev) { | |
3467 | check_okay = 1; | |
3468 | on_nosuid = fsd.fd_req.flags & PERL_MOUNT_NOSUID; | |
ae3f3efd | 3469 | on_noexec = fsd.fd_req.flags & PERL_MOUNT_NOEXEC; |
6439433f JH |
3470 | } |
3471 | } | |
3472 | } | |
3473 | } | |
0545a864 | 3474 | } |
6439433f JH |
3475 | # endif /* fstat+ustat+getmnt */ |
3476 | ||
3477 | # if !defined(FD_ON_NOSUID_CHECK_OKAY) && \ | |
3478 | defined(HAS_GETMNTENT) && \ | |
3479 | defined(HAS_HASMNTOPT) && \ | |
ae3f3efd PS |
3480 | defined(MNTOPT_NOSUID) && \ |
3481 | defined(MNTOPT_NOEXEC) | |
6439433f JH |
3482 | # define FD_ON_NOSUID_CHECK_OKAY |
3483 | FILE *mtab = fopen("/etc/mtab", "r"); | |
3484 | struct mntent *entry; | |
c623ac67 | 3485 | Stat_t stb, fsb; |
104d25b7 JH |
3486 | |
3487 | if (mtab && (fstat(fd, &stb) == 0)) { | |
6439433f JH |
3488 | while (entry = getmntent(mtab)) { |
3489 | if (stat(entry->mnt_dir, &fsb) == 0 | |
3490 | && fsb.st_dev == stb.st_dev) | |
3491 | { | |
3492 | /* found the filesystem */ | |
3493 | check_okay = 1; | |
3494 | if (hasmntopt(entry, MNTOPT_NOSUID)) | |
3495 | on_nosuid = 1; | |
ae3f3efd PS |
3496 | if (hasmntopt(entry, MNTOPT_NOEXEC)) |
3497 | on_noexec = 1; | |
6439433f JH |
3498 | break; |
3499 | } /* A single fs may well fail its stat(). */ | |
3500 | } | |
104d25b7 JH |
3501 | } |
3502 | if (mtab) | |
6439433f JH |
3503 | fclose(mtab); |
3504 | # endif /* getmntent+hasmntopt */ | |
0545a864 | 3505 | |
ac27b0f5 | 3506 | if (!check_okay) |
ae3f3efd PS |
3507 | Perl_croak(aTHX_ "Can't check filesystem of script \"%s\" for nosuid/noexec", PL_origfilename); |
3508 | if (on_nosuid) | |
3509 | Perl_croak(aTHX_ "Setuid script \"%s\" on nosuid filesystem", PL_origfilename); | |
3510 | if (on_noexec) | |
3511 | Perl_croak(aTHX_ "Setuid script \"%s\" on noexec filesystem", PL_origfilename); | |
3512 | return ((!check_okay) || on_nosuid || on_noexec); | |
104d25b7 JH |
3513 | } |
3514 | #endif /* IAMSUID */ | |
3515 | ||
76e3520e | 3516 | STATIC void |
e1ec3a88 | 3517 | S_validate_suid(pTHX_ const char *validarg, const char *scriptname) |
79072805 | 3518 | { |
27da23d5 | 3519 | dVAR; |
155aba94 | 3520 | #ifdef IAMSUID |
ae3f3efd PS |
3521 | /* int which; */ |
3522 | #endif /* IAMSUID */ | |
96436eeb | 3523 | |
13281fa4 LW |
3524 | /* do we need to emulate setuid on scripts? */ |
3525 | ||
3526 | /* This code is for those BSD systems that have setuid #! scripts disabled | |
3527 | * in the kernel because of a security problem. Merely defining DOSUID | |
3528 | * in perl will not fix that problem, but if you have disabled setuid | |
3529 | * scripts in the kernel, this will attempt to emulate setuid and setgid | |
3530 | * on scripts that have those now-otherwise-useless bits set. The setuid | |
27e2fb84 LW |
3531 | * root version must be called suidperl or sperlN.NNN. If regular perl |
3532 | * discovers that it has opened a setuid script, it calls suidperl with | |
3533 | * the same argv that it had. If suidperl finds that the script it has | |
3534 | * just opened is NOT setuid root, it sets the effective uid back to the | |
3535 | * uid. We don't just make perl setuid root because that loses the | |
3536 | * effective uid we had before invoking perl, if it was different from the | |
3537 | * uid. | |
ae3f3efd PS |
3538 | * PSz 27 Feb 04 |
3539 | * Description/comments above do not match current workings: | |
3540 | * suidperl must be hardlinked to sperlN.NNN (that is what we exec); | |
3541 | * suidperl called with script open and name changed to /dev/fd/N/X; | |
3542 | * suidperl croaks if script is not setuid; | |
3543 | * making perl setuid would be a huge security risk (and yes, that | |
3544 | * would lose any euid we might have had). | |
13281fa4 LW |
3545 | * |
3546 | * DOSUID must be defined in both perl and suidperl, and IAMSUID must | |
3547 | * be defined in suidperl only. suidperl must be setuid root. The | |
3548 | * Configure script will set this up for you if you want it. | |
3549 | */ | |
a687059c | 3550 | |
13281fa4 | 3551 | #ifdef DOSUID |
dd720ed5 | 3552 | const char *s, *s2; |
a0d0e21e | 3553 | |
b28d0864 | 3554 | if (PerlLIO_fstat(PerlIO_fileno(PL_rsfp),&PL_statbuf) < 0) /* normal stat is insecure */ |
cea2e8a9 | 3555 | Perl_croak(aTHX_ "Can't stat script \"%s\"",PL_origfilename); |
ae3f3efd | 3556 | if (PL_statbuf.st_mode & (S_ISUID|S_ISGID)) { |
79072805 | 3557 | I32 len; |
dd720ed5 | 3558 | const char *linestr; |
13281fa4 | 3559 | |
a687059c | 3560 | #ifdef IAMSUID |
ae3f3efd PS |
3561 | if (PL_fdscript < 0 || PL_suidscript != 1) |
3562 | Perl_croak(aTHX_ "Need (suid) fdscript in suidperl\n"); /* We already checked this */ | |
3563 | /* PSz 11 Nov 03 | |
3564 | * Since the script is opened by perl, not suidperl, some of these | |
3565 | * checks are superfluous. Leaving them in probably does not lower | |
3566 | * security(?!). | |
3567 | */ | |
3568 | /* PSz 27 Feb 04 | |
3569 | * Do checks even for systems with no HAS_SETREUID. | |
3570 | * We used to swap, then re-swap UIDs with | |
3571 | #ifdef HAS_SETREUID | |
3572 | if (setreuid(PL_euid,PL_uid) < 0 | |
3573 | || PerlProc_getuid() != PL_euid || PerlProc_geteuid() != PL_uid) | |
3574 | Perl_croak(aTHX_ "Can't swap uid and euid"); | |
3575 | #endif | |
3576 | #ifdef HAS_SETREUID | |
3577 | if (setreuid(PL_uid,PL_euid) < 0 | |
3578 | || PerlProc_getuid() != PL_uid || PerlProc_geteuid() != PL_euid) | |
3579 | Perl_croak(aTHX_ "Can't reswap uid and euid"); | |
3580 | #endif | |
3581 | */ | |
3582 | ||
a687059c LW |
3583 | /* On this access check to make sure the directories are readable, |
3584 | * there is actually a small window that the user could use to make | |
3585 | * filename point to an accessible directory. So there is a faint | |
3586 | * chance that someone could execute a setuid script down in a | |
3587 | * non-accessible directory. I don't know what to do about that. | |
3588 | * But I don't think it's too important. The manual lies when | |
3589 | * it says access() is useful in setuid programs. | |
ae3f3efd PS |
3590 | * |
3591 | * So, access() is pretty useless... but not harmful... do anyway. | |
a687059c | 3592 | */ |
e57400b1 | 3593 | if (PerlLIO_access(CopFILE(PL_curcop),1)) { /*double check*/ |
ae3f3efd | 3594 | Perl_croak(aTHX_ "Can't access() script\n"); |
e57400b1 | 3595 | } |
ae3f3efd | 3596 | |
a687059c LW |
3597 | /* If we can swap euid and uid, then we can determine access rights |
3598 | * with a simple stat of the file, and then compare device and | |
3599 | * inode to make sure we did stat() on the same file we opened. | |
3600 | * Then we just have to make sure he or she can execute it. | |
ae3f3efd PS |
3601 | * |
3602 | * PSz 24 Feb 04 | |
3603 | * As the script is opened by perl, not suidperl, we do not need to | |
3604 | * care much about access rights. | |
3605 | * | |
3606 | * The 'script changed' check is needed, or we can get lied to | |
3607 | * about $0 with e.g. | |
3608 | * suidperl /dev/fd/4//bin/x 4<setuidscript | |
3609 | * Without HAS_SETREUID, is it safe to stat() as root? | |
3610 | * | |
3611 | * Are there any operating systems that pass /dev/fd/xxx for setuid | |
3612 | * scripts, as suggested/described in perlsec(1)? Surely they do not | |
3613 | * pass the script name as we do, so the "script changed" test would | |
3614 | * fail for them... but we never get here with | |
3615 | * SETUID_SCRIPTS_ARE_SECURE_NOW defined. | |
3616 | * | |
3617 | * This is one place where we must "lie" about return status: not | |
3618 | * say if the stat() failed. We are doing this as root, and could | |
3619 | * be tricked into reporting existence or not of files that the | |
3620 | * "plain" user cannot even see. | |
a687059c LW |
3621 | */ |
3622 | { | |
c623ac67 | 3623 | Stat_t tmpstatbuf; |
ae3f3efd PS |
3624 | if (PerlLIO_stat(CopFILE(PL_curcop),&tmpstatbuf) < 0 || |
3625 | tmpstatbuf.st_dev != PL_statbuf.st_dev || | |
b28d0864 | 3626 | tmpstatbuf.st_ino != PL_statbuf.st_ino) { |
ae3f3efd | 3627 | Perl_croak(aTHX_ "Setuid script changed\n"); |
a687059c | 3628 | } |
ae3f3efd | 3629 | |
a687059c | 3630 | } |
ae3f3efd PS |
3631 | if (!cando(S_IXUSR,FALSE,&PL_statbuf)) /* can real uid exec? */ |
3632 | Perl_croak(aTHX_ "Real UID cannot exec script\n"); | |
3633 | ||
3634 | /* PSz 27 Feb 04 | |
3635 | * We used to do this check as the "plain" user (after swapping | |
3636 | * UIDs). But the check for nosuid and noexec filesystem is needed, | |
3637 | * and should be done even without HAS_SETREUID. (Maybe those | |
3638 | * operating systems do not have such mount options anyway...) | |
3639 | * Seems safe enough to do as root. | |
3640 | */ | |
3641 | #if !defined(NO_NOSUID_CHECK) | |
3642 | if (fd_on_nosuid_fs(PerlIO_fileno(PL_rsfp))) { | |
3643 | Perl_croak(aTHX_ "Setuid script on nosuid or noexec filesystem\n"); | |
3644 | } | |
3645 | #endif | |
a687059c LW |
3646 | #endif /* IAMSUID */ |
3647 | ||
e57400b1 | 3648 | if (!S_ISREG(PL_statbuf.st_mode)) { |
ae3f3efd | 3649 | Perl_croak(aTHX_ "Setuid script not plain file\n"); |
e57400b1 | 3650 | } |
b28d0864 | 3651 | if (PL_statbuf.st_mode & S_IWOTH) |
cea2e8a9 | 3652 | Perl_croak(aTHX_ "Setuid/gid script is writable by world"); |
6b88bc9c | 3653 | PL_doswitches = FALSE; /* -s is insecure in suid */ |
ae3f3efd | 3654 | /* PSz 13 Nov 03 But -s was caught elsewhere ... so unsetting it here is useless(?!) */ |
57843af0 | 3655 | CopLINE_inc(PL_curcop); |
dd720ed5 | 3656 | linestr = SvPV_nolen_const(PL_linestr); |
6b88bc9c | 3657 | if (sv_gets(PL_linestr, PL_rsfp, 0) == Nullch || |
dd720ed5 | 3658 | strnNE(linestr,"#!",2) ) /* required even on Sys V */ |
cea2e8a9 | 3659 | Perl_croak(aTHX_ "No #! line"); |
dd720ed5 NC |
3660 | linestr+=2; |
3661 | s = linestr; | |
ae3f3efd PS |
3662 | /* PSz 27 Feb 04 */ |
3663 | /* Sanity check on line length */ | |
3664 | if (strlen(s) < 1 || strlen(s) > 4000) | |
3665 | Perl_croak(aTHX_ "Very long #! line"); | |
3666 | /* Allow more than a single space after #! */ | |
3667 | while (isSPACE(*s)) s++; | |
3668 | /* Sanity check on buffer end */ | |
3669 | while ((*s) && !isSPACE(*s)) s++; | |
dd720ed5 | 3670 | for (s2 = s; (s2 > linestr && |
3792a11b NC |
3671 | (isDIGIT(s2[-1]) || s2[-1] == '.' || s2[-1] == '_' |
3672 | || s2[-1] == '-')); s2--) ; | |
ae3f3efd | 3673 | /* Sanity check on buffer start */ |
dd720ed5 NC |
3674 | if ( (s2-4 < linestr || strnNE(s2-4,"perl",4)) && |
3675 | (s-9 < linestr || strnNE(s-9,"perl",4)) ) | |
cea2e8a9 | 3676 | Perl_croak(aTHX_ "Not a perl script"); |
a687059c | 3677 | while (*s == ' ' || *s == '\t') s++; |
13281fa4 LW |
3678 | /* |
3679 | * #! arg must be what we saw above. They can invoke it by | |
3680 | * mentioning suidperl explicitly, but they may not add any strange | |
3681 | * arguments beyond what #! says if they do invoke suidperl that way. | |
3682 | */ | |
ae3f3efd PS |
3683 | /* |
3684 | * The way validarg was set up, we rely on the kernel to start | |
3685 | * scripts with argv[1] set to contain all #! line switches (the | |
3686 | * whole line). | |
3687 | */ | |
3688 | /* | |
3689 | * Check that we got all the arguments listed in the #! line (not | |
3690 | * just that there are no extraneous arguments). Might not matter | |
3691 | * much, as switches from #! line seem to be acted upon (also), and | |
3692 | * so may be checked and trapped in perl. But, security checks must | |
3693 | * be done in suidperl and not deferred to perl. Note that suidperl | |
3694 | * does not get around to parsing (and checking) the switches on | |
3695 | * the #! line (but execs perl sooner). | |
3696 | * Allow (require) a trailing newline (which may be of two | |
3697 | * characters on some architectures?) (but no other trailing | |
3698 | * whitespace). | |
3699 | */ | |
13281fa4 LW |
3700 | len = strlen(validarg); |
3701 | if (strEQ(validarg," PHOOEY ") || | |
ae3f3efd PS |
3702 | strnNE(s,validarg,len) || !isSPACE(s[len]) || |
3703 | !(strlen(s) == len+1 || (strlen(s) == len+2 && isSPACE(s[len+1])))) | |
cea2e8a9 | 3704 | Perl_croak(aTHX_ "Args must match #! line"); |
a687059c LW |
3705 | |
3706 | #ifndef IAMSUID | |
ae3f3efd PS |
3707 | if (PL_fdscript < 0 && |
3708 | PL_euid != PL_uid && (PL_statbuf.st_mode & S_ISUID) && | |
b28d0864 NIS |
3709 | PL_euid == PL_statbuf.st_uid) |
3710 | if (!PL_do_undump) | |
cea2e8a9 | 3711 | Perl_croak(aTHX_ "YOU HAVEN'T DISABLED SET-ID SCRIPTS IN THE KERNEL YET!\n\ |
11fb1898 | 3712 | FIX YOUR KERNEL, OR PUT A C WRAPPER AROUND THIS SCRIPT!\n"); |
a687059c | 3713 | #endif /* IAMSUID */ |
13281fa4 | 3714 | |
ae3f3efd PS |
3715 | if (PL_fdscript < 0 && |
3716 | PL_euid) { /* oops, we're not the setuid root perl */ | |
3717 | /* PSz 18 Feb 04 | |
3718 | * When root runs a setuid script, we do not go through the same | |
3719 | * steps of execing sperl and then perl with fd scripts, but | |
3720 | * simply set up UIDs within the same perl invocation; so do | |
3721 | * not have the same checks (on options, whatever) that we have | |
3722 | * for plain users. No problem really: would have to be a script | |
3723 | * that does not actually work for plain users; and if root is | |
3724 | * foolish and can be persuaded to run such an unsafe script, he | |
3725 | * might run also non-setuid ones, and deserves what he gets. | |
3726 | * | |
3727 | * Or, we might drop the PL_euid check above (and rely just on | |
3728 | * PL_fdscript to avoid loops), and do the execs | |
3729 | * even for root. | |
3730 | */ | |
13281fa4 | 3731 | #ifndef IAMSUID |
ae3f3efd PS |
3732 | int which; |
3733 | /* PSz 11 Nov 03 | |
3734 | * Pass fd script to suidperl. | |
3735 | * Exec suidperl, substituting fd script for scriptname. | |
3736 | * Pass script name as "subdir" of fd, which perl will grok; | |
3737 | * in fact will use that to distinguish this from "normal" | |
3738 | * usage, see comments above. | |
3739 | */ | |
3740 | PerlIO_rewind(PL_rsfp); | |
3741 | PerlLIO_lseek(PerlIO_fileno(PL_rsfp),(Off_t)0,0); /* just in case rewind didn't */ | |
3742 | /* PSz 27 Feb 04 Sanity checks on scriptname */ | |
3743 | if ((!scriptname) || (!*scriptname) ) { | |
3744 | Perl_croak(aTHX_ "No setuid script name\n"); | |
3745 | } | |
3746 | if (*scriptname == '-') { | |
3747 | Perl_croak(aTHX_ "Setuid script name may not begin with dash\n"); | |
3748 | /* Or we might confuse it with an option when replacing | |
3749 | * name in argument list, below (though we do pointer, not | |
3750 | * string, comparisons). | |
3751 | */ | |
3752 | } | |
3753 | for (which = 1; PL_origargv[which] && PL_origargv[which] != scriptname; which++) ; | |
3754 | if (!PL_origargv[which]) { | |
3755 | Perl_croak(aTHX_ "Can't change argv to have fd script\n"); | |
3756 | } | |
3757 | PL_origargv[which] = savepv(Perl_form(aTHX_ "/dev/fd/%d/%s", | |
3758 | PerlIO_fileno(PL_rsfp), PL_origargv[which])); | |
3759 | #if defined(HAS_FCNTL) && defined(F_SETFD) | |
3760 | fcntl(PerlIO_fileno(PL_rsfp),F_SETFD,0); /* ensure no close-on-exec */ | |
3761 | #endif | |
b35112e7 | 3762 | PERL_FPU_PRE_EXEC |
a7cb1f99 | 3763 | PerlProc_execv(Perl_form(aTHX_ "%s/sperl"PERL_FS_VER_FMT, BIN_EXP, |
273cf8d1 GS |
3764 | (int)PERL_REVISION, (int)PERL_VERSION, |
3765 | (int)PERL_SUBVERSION), PL_origargv); | |
b35112e7 | 3766 | PERL_FPU_POST_EXEC |
ae3f3efd PS |
3767 | #endif /* IAMSUID */ |
3768 | Perl_croak(aTHX_ "Can't do setuid (cannot exec sperl)\n"); | |
13281fa4 LW |
3769 | } |
3770 | ||
b28d0864 | 3771 | if (PL_statbuf.st_mode & S_ISGID && PL_statbuf.st_gid != PL_egid) { |
ae3f3efd PS |
3772 | /* PSz 26 Feb 04 |
3773 | * This seems back to front: we try HAS_SETEGID first; if not available | |
3774 | * then try HAS_SETREGID; as a last chance we try HAS_SETRESGID. May be OK | |
3775 | * in the sense that we only want to set EGID; but are there any machines | |
3776 | * with either of the latter, but not the former? Same with UID, later. | |
3777 | */ | |
fe14fcc3 | 3778 | #ifdef HAS_SETEGID |
b28d0864 | 3779 | (void)setegid(PL_statbuf.st_gid); |
a687059c | 3780 | #else |
fe14fcc3 | 3781 | #ifdef HAS_SETREGID |
b28d0864 | 3782 | (void)setregid((Gid_t)-1,PL_statbuf.st_gid); |
85e6fe83 LW |
3783 | #else |
3784 | #ifdef HAS_SETRESGID | |
b28d0864 | 3785 | (void)setresgid((Gid_t)-1,PL_statbuf.st_gid,(Gid_t)-1); |
a687059c | 3786 | #else |
b28d0864 | 3787 | PerlProc_setgid(PL_statbuf.st_gid); |
a687059c LW |
3788 | #endif |
3789 | #endif | |
85e6fe83 | 3790 | #endif |
b28d0864 | 3791 | if (PerlProc_getegid() != PL_statbuf.st_gid) |
cea2e8a9 | 3792 | Perl_croak(aTHX_ "Can't do setegid!\n"); |
83025b21 | 3793 | } |
b28d0864 NIS |
3794 | if (PL_statbuf.st_mode & S_ISUID) { |
3795 | if (PL_statbuf.st_uid != PL_euid) | |
fe14fcc3 | 3796 | #ifdef HAS_SETEUID |
b28d0864 | 3797 | (void)seteuid(PL_statbuf.st_uid); /* all that for this */ |
a687059c | 3798 | #else |
fe14fcc3 | 3799 | #ifdef HAS_SETREUID |
b28d0864 | 3800 | (void)setreuid((Uid_t)-1,PL_statbuf.st_uid); |
85e6fe83 LW |
3801 | #else |
3802 | #ifdef HAS_SETRESUID | |
b28d0864 | 3803 | (void)setresuid((Uid_t)-1,PL_statbuf.st_uid,(Uid_t)-1); |
a687059c | 3804 | #else |
b28d0864 | 3805 | PerlProc_setuid(PL_statbuf.st_uid); |
a687059c LW |
3806 | #endif |
3807 | #endif | |
85e6fe83 | 3808 | #endif |
b28d0864 | 3809 | if (PerlProc_geteuid() != PL_statbuf.st_uid) |
cea2e8a9 | 3810 | Perl_croak(aTHX_ "Can't do seteuid!\n"); |
a687059c | 3811 | } |
b28d0864 | 3812 | else if (PL_uid) { /* oops, mustn't run as root */ |
fe14fcc3 | 3813 | #ifdef HAS_SETEUID |
b28d0864 | 3814 | (void)seteuid((Uid_t)PL_uid); |
a687059c | 3815 | #else |
fe14fcc3 | 3816 | #ifdef HAS_SETREUID |
b28d0864 | 3817 | (void)setreuid((Uid_t)-1,(Uid_t)PL_uid); |
a687059c | 3818 | #else |
85e6fe83 | 3819 | #ifdef HAS_SETRESUID |
b28d0864 | 3820 | (void)setresuid((Uid_t)-1,(Uid_t)PL_uid,(Uid_t)-1); |
85e6fe83 | 3821 | #else |
b28d0864 | 3822 | PerlProc_setuid((Uid_t)PL_uid); |
85e6fe83 | 3823 | #endif |
a687059c LW |
3824 | #endif |
3825 | #endif | |
b28d0864 | 3826 | if (PerlProc_geteuid() != PL_uid) |
cea2e8a9 | 3827 | Perl_croak(aTHX_ "Can't do seteuid!\n"); |
83025b21 | 3828 | } |
748a9306 | 3829 | init_ids(); |
b28d0864 | 3830 | if (!cando(S_IXUSR,TRUE,&PL_statbuf)) |
ae3f3efd | 3831 | Perl_croak(aTHX_ "Effective UID cannot exec script\n"); /* they can't do this */ |
13281fa4 LW |
3832 | } |
3833 | #ifdef IAMSUID | |
ae3f3efd | 3834 | else if (PL_preprocess) /* PSz 13 Nov 03 Caught elsewhere, useless(?!) here */ |
cea2e8a9 | 3835 | Perl_croak(aTHX_ "-P not allowed for setuid/setgid script\n"); |
ae3f3efd PS |
3836 | else if (PL_fdscript < 0 || PL_suidscript != 1) |
3837 | /* PSz 13 Nov 03 Caught elsewhere, useless(?!) here */ | |
3838 | Perl_croak(aTHX_ "(suid) fdscript needed in suidperl\n"); | |
e57400b1 | 3839 | else { |
ae3f3efd PS |
3840 | /* PSz 16 Sep 03 Keep neat error message */ |
3841 | Perl_croak(aTHX_ "Script is not setuid/setgid in suidperl\n"); | |
e57400b1 | 3842 | } |
96436eeb | 3843 | |
3844 | /* We absolutely must clear out any saved ids here, so we */ | |
3845 | /* exec the real perl, substituting fd script for scriptname. */ | |
3846 | /* (We pass script name as "subdir" of fd, which perl will grok.) */ | |
ae3f3efd PS |
3847 | /* |
3848 | * It might be thought that using setresgid and/or setresuid (changed to | |
3849 | * set the saved IDs) above might obviate the need to exec, and we could | |
3850 | * go on to "do the perl thing". | |
3851 | * | |
3852 | * Is there such a thing as "saved GID", and is that set for setuid (but | |
3853 | * not setgid) execution like suidperl? Without exec, it would not be | |
3854 | * cleared for setuid (but not setgid) scripts (or might need a dummy | |
3855 | * setresgid). | |
3856 | * | |
3857 | * We need suidperl to do the exact same argument checking that perl | |
3858 | * does. Thus it cannot be very small; while it could be significantly | |
3859 | * smaller, it is safer (simpler?) to make it essentially the same | |
3860 | * binary as perl (but they are not identical). - Maybe could defer that | |
3861 | * check to the invoked perl, and suidperl be a tiny wrapper instead; | |
3862 | * but prefer to do thorough checks in suidperl itself. Such deferral | |
3863 | * would make suidperl security rely on perl, a design no-no. | |
3864 | * | |
3865 | * Setuid things should be short and simple, thus easy to understand and | |
3866 | * verify. They should do their "own thing", without influence by | |
3867 | * attackers. It may help if their internal execution flow is fixed, | |
3868 | * regardless of platform: it may be best to exec anyway. | |
3869 | * | |
3870 | * Suidperl should at least be conceptually simple: a wrapper only, | |
3871 | * never to do any real perl. Maybe we should put | |
3872 | * #ifdef IAMSUID | |
3873 | * Perl_croak(aTHX_ "Suidperl should never do real perl\n"); | |
3874 | * #endif | |
3875 | * into the perly bits. | |
3876 | */ | |
b28d0864 NIS |
3877 | PerlIO_rewind(PL_rsfp); |
3878 | PerlLIO_lseek(PerlIO_fileno(PL_rsfp),(Off_t)0,0); /* just in case rewind didn't */ | |
ae3f3efd PS |
3879 | /* PSz 11 Nov 03 |
3880 | * Keep original arguments: suidperl already has fd script. | |
3881 | */ | |
3882 | /* for (which = 1; PL_origargv[which] && PL_origargv[which] != scriptname; which++) ; */ | |
3883 | /* if (!PL_origargv[which]) { */ | |
3884 | /* errno = EPERM; */ | |
3885 | /* Perl_croak(aTHX_ "Permission denied\n"); */ | |
3886 | /* } */ | |
3887 | /* PL_origargv[which] = savepv(Perl_form(aTHX_ "/dev/fd/%d/%s", */ | |
3888 | /* PerlIO_fileno(PL_rsfp), PL_origargv[which])); */ | |
96436eeb | 3889 | #if defined(HAS_FCNTL) && defined(F_SETFD) |
b28d0864 | 3890 | fcntl(PerlIO_fileno(PL_rsfp),F_SETFD,0); /* ensure no close-on-exec */ |
96436eeb | 3891 | #endif |
b35112e7 | 3892 | PERL_FPU_PRE_EXEC |
a7cb1f99 | 3893 | PerlProc_execv(Perl_form(aTHX_ "%s/perl"PERL_FS_VER_FMT, BIN_EXP, |
273cf8d1 GS |
3894 | (int)PERL_REVISION, (int)PERL_VERSION, |
3895 | (int)PERL_SUBVERSION), PL_origargv);/* try again */ | |
b35112e7 | 3896 | PERL_FPU_POST_EXEC |
ae3f3efd | 3897 | Perl_croak(aTHX_ "Can't do setuid (suidperl cannot exec perl)\n"); |
13281fa4 | 3898 | #endif /* IAMSUID */ |
a687059c | 3899 | #else /* !DOSUID */ |
3280af22 | 3900 | if (PL_euid != PL_uid || PL_egid != PL_gid) { /* (suidperl doesn't exist, in fact) */ |
a687059c | 3901 | #ifndef SETUID_SCRIPTS_ARE_SECURE_NOW |
b28d0864 NIS |
3902 | PerlLIO_fstat(PerlIO_fileno(PL_rsfp),&PL_statbuf); /* may be either wrapped or real suid */ |
3903 | if ((PL_euid != PL_uid && PL_euid == PL_statbuf.st_uid && PL_statbuf.st_mode & S_ISUID) | |
a687059c | 3904 | || |
b28d0864 | 3905 | (PL_egid != PL_gid && PL_egid == PL_statbuf.st_gid && PL_statbuf.st_mode & S_ISGID) |
a687059c | 3906 | ) |
b28d0864 | 3907 | if (!PL_do_undump) |
cea2e8a9 | 3908 | Perl_croak(aTHX_ "YOU HAVEN'T DISABLED SET-ID SCRIPTS IN THE KERNEL YET!\n\ |
a687059c LW |
3909 | FIX YOUR KERNEL, PUT A C WRAPPER AROUND THIS SCRIPT, OR USE -u AND UNDUMP!\n"); |
3910 | #endif /* SETUID_SCRIPTS_ARE_SECURE_NOW */ | |
3911 | /* not set-id, must be wrapped */ | |
a687059c | 3912 | } |
13281fa4 | 3913 | #endif /* DOSUID */ |
dd374669 AL |
3914 | (void)validarg; |
3915 | (void)scriptname; | |
79072805 | 3916 | } |
13281fa4 | 3917 | |
76e3520e | 3918 | STATIC void |
cea2e8a9 | 3919 | S_find_beginning(pTHX) |
79072805 | 3920 | { |
dd374669 AL |
3921 | register char *s; |
3922 | register const char *s2; | |
e55ac0fa HS |
3923 | #ifdef MACOS_TRADITIONAL |
3924 | int maclines = 0; | |
3925 | #endif | |
33b78306 LW |
3926 | |
3927 | /* skip forward in input to the real script? */ | |
3928 | ||
bbce6d69 | 3929 | forbid_setid("-x"); |
bf4acbe4 | 3930 | #ifdef MACOS_TRADITIONAL |
084592ab | 3931 | /* Since the Mac OS does not honor #! arguments for us, we do it ourselves */ |
ac27b0f5 | 3932 | |
bf4acbe4 GS |
3933 | while (PL_doextract || gMacPerl_AlwaysExtract) { |
3934 | if ((s = sv_gets(PL_linestr, PL_rsfp, 0)) == Nullch) { | |
3935 | if (!gMacPerl_AlwaysExtract) | |
3936 | Perl_croak(aTHX_ "No Perl script found in input\n"); | |
e55ac0fa | 3937 | |
bf4acbe4 GS |
3938 | if (PL_doextract) /* require explicit override ? */ |
3939 | if (!OverrideExtract(PL_origfilename)) | |
3940 | Perl_croak(aTHX_ "User aborted script\n"); | |
3941 | else | |
3942 | PL_doextract = FALSE; | |
e55ac0fa | 3943 | |
bf4acbe4 GS |
3944 | /* Pater peccavi, file does not have #! */ |
3945 | PerlIO_rewind(PL_rsfp); | |
e55ac0fa | 3946 | |
bf4acbe4 GS |
3947 | break; |
3948 | } | |
3949 | #else | |
3280af22 NIS |
3950 | while (PL_doextract) { |
3951 | if ((s = sv_gets(PL_linestr, PL_rsfp, 0)) == Nullch) | |
cea2e8a9 | 3952 | Perl_croak(aTHX_ "No Perl script found in input\n"); |
bf4acbe4 | 3953 | #endif |
4f0c37ba IZ |
3954 | s2 = s; |
3955 | if (*s == '#' && s[1] == '!' && ((s = instr(s,"perl")) || (s = instr(s2,"PERL")))) { | |
3280af22 NIS |
3956 | PerlIO_ungetc(PL_rsfp, '\n'); /* to keep line count right */ |
3957 | PL_doextract = FALSE; | |
6e72f9df | 3958 | while (*s && !(isSPACE (*s) || *s == '#')) s++; |
3959 | s2 = s; | |
3960 | while (*s == ' ' || *s == '\t') s++; | |
3961 | if (*s++ == '-') { | |
3792a11b NC |
3962 | while (isDIGIT(s2[-1]) || s2[-1] == '-' || s2[-1] == '.' |
3963 | || s2[-1] == '_') s2--; | |
6e72f9df | 3964 | if (strnEQ(s2-4,"perl",4)) |
155aba94 GS |
3965 | while ((s = moreswitches(s))) |
3966 | ; | |
33b78306 | 3967 | } |
95e8664e | 3968 | #ifdef MACOS_TRADITIONAL |
e55ac0fa HS |
3969 | /* We are always searching for the #!perl line in MacPerl, |
3970 | * so if we find it, still keep the line count correct | |
3971 | * by counting lines we already skipped over | |
3972 | */ | |
3973 | for (; maclines > 0 ; maclines--) | |
3974 | PerlIO_ungetc(PL_rsfp, '\n'); | |
3975 | ||
95e8664e | 3976 | break; |
e55ac0fa HS |
3977 | |
3978 | /* gMacPerl_AlwaysExtract is false in MPW tool */ | |
3979 | } else if (gMacPerl_AlwaysExtract) { | |
3980 | ++maclines; | |
95e8664e | 3981 | #endif |
83025b21 LW |
3982 | } |
3983 | } | |
3984 | } | |
3985 | ||
afe37c7d | 3986 | |
76e3520e | 3987 | STATIC void |
cea2e8a9 | 3988 | S_init_ids(pTHX) |
352d5a3a | 3989 | { |
d8eceb89 JH |
3990 | PL_uid = PerlProc_getuid(); |
3991 | PL_euid = PerlProc_geteuid(); | |
3992 | PL_gid = PerlProc_getgid(); | |
3993 | PL_egid = PerlProc_getegid(); | |
748a9306 | 3994 | #ifdef VMS |
b28d0864 NIS |
3995 | PL_uid |= PL_gid << 16; |
3996 | PL_euid |= PL_egid << 16; | |
748a9306 | 3997 | #endif |
22f7c9c9 JH |
3998 | /* Should not happen: */ |
3999 | CHECK_MALLOC_TAINT(PL_uid && (PL_euid != PL_uid || PL_egid != PL_gid)); | |
3280af22 | 4000 | PL_tainting |= (PL_uid && (PL_euid != PL_uid || PL_egid != PL_gid)); |
ae3f3efd PS |
4001 | /* BUG */ |
4002 | /* PSz 27 Feb 04 | |
4003 | * Should go by suidscript, not uid!=euid: why disallow | |
4004 | * system("ls") in scripts run from setuid things? | |
4005 | * Or, is this run before we check arguments and set suidscript? | |
4006 | * What about SETUID_SCRIPTS_ARE_SECURE_NOW: could we use fdscript then? | |
4007 | * (We never have suidscript, can we be sure to have fdscript?) | |
4008 | * Or must then go by UID checks? See comments in forbid_setid also. | |
4009 | */ | |
748a9306 | 4010 | } |
79072805 | 4011 | |
a0643315 JH |
4012 | /* This is used very early in the lifetime of the program, |
4013 | * before even the options are parsed, so PL_tainting has | |
b0891165 | 4014 | * not been initialized properly. */ |
af419de7 | 4015 | bool |
8f42b153 | 4016 | Perl_doing_taint(int argc, char *argv[], char *envp[]) |
22f7c9c9 | 4017 | { |
c3446a78 JH |
4018 | #ifndef PERL_IMPLICIT_SYS |
4019 | /* If we have PERL_IMPLICIT_SYS we can't call getuid() et alia | |
4020 | * before we have an interpreter-- and the whole point of this | |
4021 | * function is to be called at such an early stage. If you are on | |
4022 | * a system with PERL_IMPLICIT_SYS but you do have a concept of | |
4023 | * "tainted because running with altered effective ids', you'll | |
4024 | * have to add your own checks somewhere in here. The two most | |
4025 | * known samples of 'implicitness' are Win32 and NetWare, neither | |
4026 | * of which has much of concept of 'uids'. */ | |
af419de7 | 4027 | int uid = PerlProc_getuid(); |
22f7c9c9 | 4028 | int euid = PerlProc_geteuid(); |
af419de7 | 4029 | int gid = PerlProc_getgid(); |
22f7c9c9 | 4030 | int egid = PerlProc_getegid(); |
6867be6d | 4031 | (void)envp; |
22f7c9c9 JH |
4032 | |
4033 | #ifdef VMS | |
af419de7 | 4034 | uid |= gid << 16; |
22f7c9c9 JH |
4035 | euid |= egid << 16; |
4036 | #endif | |
4037 | if (uid && (euid != uid || egid != gid)) | |
4038 | return 1; | |
c3446a78 | 4039 | #endif /* !PERL_IMPLICIT_SYS */ |
af419de7 JH |
4040 | /* This is a really primitive check; environment gets ignored only |
4041 | * if -T are the first chars together; otherwise one gets | |
4042 | * "Too late" message. */ | |
22f7c9c9 JH |
4043 | if ( argc > 1 && argv[1][0] == '-' |
4044 | && (argv[1][1] == 't' || argv[1][1] == 'T') ) | |
4045 | return 1; | |
4046 | return 0; | |
4047 | } | |
22f7c9c9 | 4048 | |
76e3520e | 4049 | STATIC void |
e1ec3a88 | 4050 | S_forbid_setid(pTHX_ const char *s) |
bbce6d69 | 4051 | { |
ae3f3efd | 4052 | #ifdef SETUID_SCRIPTS_ARE_SECURE_NOW |
3280af22 | 4053 | if (PL_euid != PL_uid) |
cea2e8a9 | 4054 | Perl_croak(aTHX_ "No %s allowed while running setuid", s); |
3280af22 | 4055 | if (PL_egid != PL_gid) |
cea2e8a9 | 4056 | Perl_croak(aTHX_ "No %s allowed while running setgid", s); |
ae3f3efd PS |
4057 | #endif /* SETUID_SCRIPTS_ARE_SECURE_NOW */ |
4058 | /* PSz 29 Feb 04 | |
4059 | * Checks for UID/GID above "wrong": why disallow | |
4060 | * perl -e 'print "Hello\n"' | |
4061 | * from within setuid things?? Simply drop them: replaced by | |
4062 | * fdscript/suidscript and #ifdef IAMSUID checks below. | |
4063 | * | |
4064 | * This may be too late for command-line switches. Will catch those on | |
4065 | * the #! line, after finding the script name and setting up | |
4066 | * fdscript/suidscript. Note that suidperl does not get around to | |
4067 | * parsing (and checking) the switches on the #! line, but checks that | |
4068 | * the two sets are identical. | |
4069 | * | |
4070 | * With SETUID_SCRIPTS_ARE_SECURE_NOW, could we use fdscript, also or | |
4071 | * instead, or would that be "too late"? (We never have suidscript, can | |
4072 | * we be sure to have fdscript?) | |
4073 | * | |
4074 | * Catch things with suidscript (in descendant of suidperl), even with | |
4075 | * right UID/GID. Was already checked in suidperl, with #ifdef IAMSUID, | |
4076 | * below; but I am paranoid. | |
4077 | * | |
4078 | * Also see comments about root running a setuid script, elsewhere. | |
4079 | */ | |
4080 | if (PL_suidscript >= 0) | |
4081 | Perl_croak(aTHX_ "No %s allowed with (suid) fdscript", s); | |
4082 | #ifdef IAMSUID | |
4083 | /* PSz 11 Nov 03 Catch it in suidperl, always! */ | |
4084 | Perl_croak(aTHX_ "No %s allowed in suidperl", s); | |
4085 | #endif /* IAMSUID */ | |
bbce6d69 | 4086 | } |
4087 | ||
1ee4443e IZ |
4088 | void |
4089 | Perl_init_debugger(pTHX) | |
748a9306 | 4090 | { |
1ee4443e IZ |
4091 | HV *ostash = PL_curstash; |
4092 | ||
3280af22 | 4093 | PL_curstash = PL_debstash; |
7619c85e | 4094 | PL_dbargs = GvAV(gv_AVadd((gv_fetchpv("DB::args", GV_ADDMULTI, SVt_PVAV)))); |
3280af22 | 4095 | AvREAL_off(PL_dbargs); |
7619c85e RG |
4096 | PL_DBgv = gv_fetchpv("DB::DB", GV_ADDMULTI, SVt_PVGV); |
4097 | PL_DBline = gv_fetchpv("DB::dbline", GV_ADDMULTI, SVt_PVAV); | |
4098 | PL_DBsub = gv_HVadd(gv_fetchpv("DB::sub", GV_ADDMULTI, SVt_PVHV)); | |
7619c85e | 4099 | PL_DBsingle = GvSV((gv_fetchpv("DB::single", GV_ADDMULTI, SVt_PV))); |
ac27b0f5 | 4100 | sv_setiv(PL_DBsingle, 0); |
7619c85e | 4101 | PL_DBtrace = GvSV((gv_fetchpv("DB::trace", GV_ADDMULTI, SVt_PV))); |
ac27b0f5 | 4102 | sv_setiv(PL_DBtrace, 0); |
7619c85e | 4103 | PL_DBsignal = GvSV((gv_fetchpv("DB::signal", GV_ADDMULTI, SVt_PV))); |
ac27b0f5 | 4104 | sv_setiv(PL_DBsignal, 0); |
bf9cdc68 | 4105 | PL_DBassertion = GvSV((gv_fetchpv("DB::assertion", GV_ADDMULTI, SVt_PV))); |
06492da6 | 4106 | sv_setiv(PL_DBassertion, 0); |
1ee4443e | 4107 | PL_curstash = ostash; |
352d5a3a LW |
4108 | } |
4109 | ||
2ce36478 SM |
4110 | #ifndef STRESS_REALLOC |
4111 | #define REASONABLE(size) (size) | |
4112 | #else | |
4113 | #define REASONABLE(size) (1) /* unreasonable */ | |
4114 | #endif | |
4115 | ||
11343788 | 4116 | void |
cea2e8a9 | 4117 | Perl_init_stacks(pTHX) |
79072805 | 4118 | { |
e336de0d | 4119 | /* start with 128-item stack and 8K cxstack */ |
3280af22 | 4120 | PL_curstackinfo = new_stackinfo(REASONABLE(128), |
e336de0d | 4121 | REASONABLE(8192/sizeof(PERL_CONTEXT) - 1)); |
3280af22 NIS |
4122 | PL_curstackinfo->si_type = PERLSI_MAIN; |
4123 | PL_curstack = PL_curstackinfo->si_stack; | |
4124 | PL_mainstack = PL_curstack; /* remember in case we switch stacks */ | |
79072805 | 4125 | |
3280af22 NIS |
4126 | PL_stack_base = AvARRAY(PL_curstack); |
4127 | PL_stack_sp = PL_stack_base; | |
4128 | PL_stack_max = PL_stack_base + AvMAX(PL_curstack); | |
8990e307 | 4129 | |
3280af22 NIS |
4130 | New(50,PL_tmps_stack,REASONABLE(128),SV*); |
4131 | PL_tmps_floor = -1; | |
4132 | PL_tmps_ix = -1; | |
4133 | PL_tmps_max = REASONABLE(128); | |
8990e307 | 4134 | |
3280af22 NIS |
4135 | New(54,PL_markstack,REASONABLE(32),I32); |
4136 | PL_markstack_ptr = PL_markstack; | |
4137 | PL_markstack_max = PL_markstack + REASONABLE(32); | |
79072805 | 4138 | |
ce2f7c3b | 4139 | SET_MARK_OFFSET; |
e336de0d | 4140 | |
3280af22 NIS |
4141 | New(54,PL_scopestack,REASONABLE(32),I32); |
4142 | PL_scopestack_ix = 0; | |
4143 | PL_scopestack_max = REASONABLE(32); | |
79072805 | 4144 | |
3280af22 NIS |
4145 | New(54,PL_savestack,REASONABLE(128),ANY); |
4146 | PL_savestack_ix = 0; | |
4147 | PL_savestack_max = REASONABLE(128); | |
378cc40b | 4148 | } |
33b78306 | 4149 | |
2ce36478 SM |
4150 | #undef REASONABLE |
4151 | ||
76e3520e | 4152 | STATIC void |
cea2e8a9 | 4153 | S_nuke_stacks(pTHX) |
6e72f9df | 4154 | { |
3280af22 NIS |
4155 | while (PL_curstackinfo->si_next) |
4156 | PL_curstackinfo = PL_curstackinfo->si_next; | |
4157 | while (PL_curstackinfo) { | |
4158 | PERL_SI *p = PL_curstackinfo->si_prev; | |
bac4b2ad | 4159 | /* curstackinfo->si_stack got nuked by sv_free_arenas() */ |
3280af22 NIS |
4160 | Safefree(PL_curstackinfo->si_cxstack); |
4161 | Safefree(PL_curstackinfo); | |
4162 | PL_curstackinfo = p; | |
e336de0d | 4163 | } |
3280af22 NIS |
4164 | Safefree(PL_tmps_stack); |
4165 | Safefree(PL_markstack); | |
4166 | Safefree(PL_scopestack); | |
4167 | Safefree(PL_savestack); | |
378cc40b | 4168 | } |
33b78306 | 4169 | |
76e3520e | 4170 | STATIC void |
cea2e8a9 | 4171 | S_init_lexer(pTHX) |
8990e307 | 4172 | { |
06039172 | 4173 | PerlIO *tmpfp; |
3280af22 NIS |
4174 | tmpfp = PL_rsfp; |
4175 | PL_rsfp = Nullfp; | |
4176 | lex_start(PL_linestr); | |
4177 | PL_rsfp = tmpfp; | |
79cb57f6 | 4178 | PL_subname = newSVpvn("main",4); |
8990e307 LW |
4179 | } |
4180 | ||
76e3520e | 4181 | STATIC void |
cea2e8a9 | 4182 | S_init_predump_symbols(pTHX) |
45d8adaa | 4183 | { |
93a17b20 | 4184 | GV *tmpgv; |
af8c498a | 4185 | IO *io; |
79072805 | 4186 | |
864dbfa3 | 4187 | sv_setpvn(get_sv("\"", TRUE), " ", 1); |
3280af22 NIS |
4188 | PL_stdingv = gv_fetchpv("STDIN",TRUE, SVt_PVIO); |
4189 | GvMULTI_on(PL_stdingv); | |
af8c498a | 4190 | io = GvIOp(PL_stdingv); |
a04651f4 | 4191 | IoTYPE(io) = IoTYPE_RDONLY; |
af8c498a | 4192 | IoIFP(io) = PerlIO_stdin(); |
adbc6bb1 | 4193 | tmpgv = gv_fetchpv("stdin",TRUE, SVt_PV); |
a5f75d66 | 4194 | GvMULTI_on(tmpgv); |
af8c498a | 4195 | GvIOp(tmpgv) = (IO*)SvREFCNT_inc(io); |
79072805 | 4196 | |
85e6fe83 | 4197 | tmpgv = gv_fetchpv("STDOUT",TRUE, SVt_PVIO); |
a5f75d66 | 4198 | GvMULTI_on(tmpgv); |
af8c498a | 4199 | io = GvIOp(tmpgv); |
a04651f4 | 4200 | IoTYPE(io) = IoTYPE_WRONLY; |
af8c498a | 4201 | IoOFP(io) = IoIFP(io) = PerlIO_stdout(); |
4633a7c4 | 4202 | setdefout(tmpgv); |
adbc6bb1 | 4203 | tmpgv = gv_fetchpv("stdout",TRUE, SVt_PV); |
a5f75d66 | 4204 | GvMULTI_on(tmpgv); |
af8c498a | 4205 | GvIOp(tmpgv) = (IO*)SvREFCNT_inc(io); |
79072805 | 4206 | |
bf49b057 GS |
4207 | PL_stderrgv = gv_fetchpv("STDERR",TRUE, SVt_PVIO); |
4208 | GvMULTI_on(PL_stderrgv); | |
4209 | io = GvIOp(PL_stderrgv); | |
a04651f4 | 4210 | IoTYPE(io) = IoTYPE_WRONLY; |
af8c498a | 4211 | IoOFP(io) = IoIFP(io) = PerlIO_stderr(); |
adbc6bb1 | 4212 | tmpgv = gv_fetchpv("stderr",TRUE, SVt_PV); |
a5f75d66 | 4213 | GvMULTI_on(tmpgv); |
af8c498a | 4214 | GvIOp(tmpgv) = (IO*)SvREFCNT_inc(io); |
79072805 | 4215 | |
3280af22 | 4216 | PL_statname = NEWSV(66,0); /* last filename we did stat on */ |
ab821d7f | 4217 | |
bf4acbe4 GS |
4218 | if (PL_osname) |
4219 | Safefree(PL_osname); | |
4220 | PL_osname = savepv(OSNAME); | |
79072805 | 4221 | } |
33b78306 | 4222 | |
a11ec5a9 | 4223 | void |
8f42b153 | 4224 | Perl_init_argv_symbols(pTHX_ register int argc, register char **argv) |
33b78306 | 4225 | { |
79072805 | 4226 | char *s; |
79072805 | 4227 | argc--,argv++; /* skip name of script */ |
3280af22 | 4228 | if (PL_doswitches) { |
79072805 LW |
4229 | for (; argc > 0 && **argv == '-'; argc--,argv++) { |
4230 | if (!argv[0][1]) | |
4231 | break; | |
379d538a | 4232 | if (argv[0][1] == '-' && !argv[0][2]) { |
79072805 LW |
4233 | argc--,argv++; |
4234 | break; | |
4235 | } | |
155aba94 | 4236 | if ((s = strchr(argv[0], '='))) { |
79072805 | 4237 | *s++ = '\0'; |
85e6fe83 | 4238 | sv_setpv(GvSV(gv_fetchpv(argv[0]+1,TRUE, SVt_PV)),s); |
79072805 LW |
4239 | } |
4240 | else | |
85e6fe83 | 4241 | sv_setiv(GvSV(gv_fetchpv(argv[0]+1,TRUE, SVt_PV)),1); |
fe14fcc3 | 4242 | } |
79072805 | 4243 | } |
a11ec5a9 RGS |
4244 | if ((PL_argvgv = gv_fetchpv("ARGV",TRUE, SVt_PVAV))) { |
4245 | GvMULTI_on(PL_argvgv); | |
4246 | (void)gv_AVadd(PL_argvgv); | |
4247 | av_clear(GvAVn(PL_argvgv)); | |
4248 | for (; argc > 0; argc--,argv++) { | |
4249 | SV *sv = newSVpv(argv[0],0); | |
4250 | av_push(GvAVn(PL_argvgv),sv); | |
ce81ff12 JH |
4251 | if (!(PL_unicode & PERL_UNICODE_LOCALE_FLAG) || PL_utf8locale) { |
4252 | if (PL_unicode & PERL_UNICODE_ARGV_FLAG) | |
4253 | SvUTF8_on(sv); | |
4254 | } | |
a05d7ebb JH |
4255 | if (PL_unicode & PERL_UNICODE_WIDESYSCALLS_FLAG) /* Sarathy? */ |
4256 | (void)sv_utf8_decode(sv); | |
a11ec5a9 RGS |
4257 | } |
4258 | } | |
4259 | } | |
4260 | ||
4261 | STATIC void | |
4262 | S_init_postdump_symbols(pTHX_ register int argc, register char **argv, register char **env) | |
4263 | { | |
27da23d5 | 4264 | dVAR; |
a11ec5a9 | 4265 | GV* tmpgv; |
a11ec5a9 | 4266 | |
3280af22 NIS |
4267 | PL_toptarget = NEWSV(0,0); |
4268 | sv_upgrade(PL_toptarget, SVt_PVFM); | |
4269 | sv_setpvn(PL_toptarget, "", 0); | |
4270 | PL_bodytarget = NEWSV(0,0); | |
4271 | sv_upgrade(PL_bodytarget, SVt_PVFM); | |
4272 | sv_setpvn(PL_bodytarget, "", 0); | |
4273 | PL_formtarget = PL_bodytarget; | |
79072805 | 4274 | |
bbce6d69 | 4275 | TAINT; |
a11ec5a9 RGS |
4276 | |
4277 | init_argv_symbols(argc,argv); | |
4278 | ||
155aba94 | 4279 | if ((tmpgv = gv_fetchpv("0",TRUE, SVt_PV))) { |
bf4acbe4 GS |
4280 | #ifdef MACOS_TRADITIONAL |
4281 | /* $0 is not majick on a Mac */ | |
4282 | sv_setpv(GvSV(tmpgv),MacPerl_MPWFileName(PL_origfilename)); | |
4283 | #else | |
3280af22 | 4284 | sv_setpv(GvSV(tmpgv),PL_origfilename); |
79072805 | 4285 | magicname("0", "0", 1); |
bf4acbe4 | 4286 | #endif |
79072805 | 4287 | } |
155aba94 | 4288 | if ((PL_envgv = gv_fetchpv("ENV",TRUE, SVt_PVHV))) { |
79072805 | 4289 | HV *hv; |
3280af22 NIS |
4290 | GvMULTI_on(PL_envgv); |
4291 | hv = GvHVn(PL_envgv); | |
14befaf4 | 4292 | hv_magic(hv, Nullgv, PERL_MAGIC_env); |
2f42fcb0 | 4293 | #ifndef PERL_MICRO |
fa6a1c44 | 4294 | #ifdef USE_ENVIRON_ARRAY |
4633a7c4 LW |
4295 | /* Note that if the supplied env parameter is actually a copy |
4296 | of the global environ then it may now point to free'd memory | |
4297 | if the environment has been modified since. To avoid this | |
4298 | problem we treat env==NULL as meaning 'use the default' | |
4299 | */ | |
4300 | if (!env) | |
4301 | env = environ; | |
4efc5df6 GS |
4302 | if (env != environ |
4303 | # ifdef USE_ITHREADS | |
4304 | && PL_curinterp == aTHX | |
4305 | # endif | |
4306 | ) | |
4307 | { | |
79072805 | 4308 | environ[0] = Nullch; |
4efc5df6 | 4309 | } |
9b4eeda5 MB |
4310 | if (env) { |
4311 | char** origenv = environ; | |
27da23d5 JH |
4312 | char *s; |
4313 | SV *sv; | |
764df951 | 4314 | for (; *env; env++) { |
9b4eeda5 | 4315 | if (!(s = strchr(*env,'=')) || s == *env) |
79072805 | 4316 | continue; |
7da0e383 | 4317 | #if defined(MSDOS) && !defined(DJGPP) |
61968511 | 4318 | *s = '\0'; |
137443ea | 4319 | (void)strupr(*env); |
61968511 | 4320 | *s = '='; |
137443ea | 4321 | #endif |
61968511 | 4322 | sv = newSVpv(s+1, 0); |
79072805 | 4323 | (void)hv_store(hv, *env, s - *env, sv, 0); |
61968511 GA |
4324 | if (env != environ) |
4325 | mg_set(sv); | |
9b4eeda5 MB |
4326 | if (origenv != environ) { |
4327 | /* realloc has shifted us */ | |
4328 | env = (env - origenv) + environ; | |
4329 | origenv = environ; | |
4330 | } | |
764df951 | 4331 | } |
9b4eeda5 | 4332 | } |
103a7189 | 4333 | #endif /* USE_ENVIRON_ARRAY */ |
2f42fcb0 | 4334 | #endif /* !PERL_MICRO */ |
79072805 | 4335 | } |
bbce6d69 | 4336 | TAINT_NOT; |
306196c3 MS |
4337 | if ((tmpgv = gv_fetchpv("$",TRUE, SVt_PV))) { |
4338 | SvREADONLY_off(GvSV(tmpgv)); | |
7766f137 | 4339 | sv_setiv(GvSV(tmpgv), (IV)PerlProc_getpid()); |
306196c3 MS |
4340 | SvREADONLY_on(GvSV(tmpgv)); |
4341 | } | |
4d76a344 RGS |
4342 | #ifdef THREADS_HAVE_PIDS |
4343 | PL_ppid = (IV)getppid(); | |
4344 | #endif | |
2710853f MJD |
4345 | |
4346 | /* touch @F array to prevent spurious warnings 20020415 MJD */ | |
4347 | if (PL_minus_a) { | |
4348 | (void) get_av("main::F", TRUE | GV_ADDMULTI); | |
4349 | } | |
4350 | /* touch @- and @+ arrays to prevent spurious warnings 20020415 MJD */ | |
4351 | (void) get_av("main::-", TRUE | GV_ADDMULTI); | |
4352 | (void) get_av("main::+", TRUE | GV_ADDMULTI); | |
33b78306 | 4353 | } |
34de22dd | 4354 | |
76e3520e | 4355 | STATIC void |
cea2e8a9 | 4356 | S_init_perllib(pTHX) |
34de22dd | 4357 | { |
85e6fe83 | 4358 | char *s; |
3280af22 | 4359 | if (!PL_tainting) { |
552a7a9b | 4360 | #ifndef VMS |
76e3520e | 4361 | s = PerlEnv_getenv("PERL5LIB"); |
85e6fe83 | 4362 | if (s) |
88fe16b2 | 4363 | incpush(s, TRUE, TRUE, TRUE, FALSE); |
85e6fe83 | 4364 | else |
88fe16b2 | 4365 | incpush(PerlEnv_getenv("PERLLIB"), FALSE, FALSE, TRUE, FALSE); |
552a7a9b | 4366 | #else /* VMS */ |
4367 | /* Treat PERL5?LIB as a possible search list logical name -- the | |
4368 | * "natural" VMS idiom for a Unix path string. We allow each | |
4369 | * element to be a set of |-separated directories for compatibility. | |
4370 | */ | |
4371 | char buf[256]; | |
4372 | int idx = 0; | |
4373 | if (my_trnlnm("PERL5LIB",buf,0)) | |
88fe16b2 | 4374 | do { incpush(buf,TRUE,TRUE,TRUE,FALSE); } while (my_trnlnm("PERL5LIB",buf,++idx)); |
552a7a9b | 4375 | else |
88fe16b2 | 4376 | while (my_trnlnm("PERLLIB",buf,idx++)) incpush(buf,FALSE,FALSE,TRUE,FALSE); |
552a7a9b | 4377 | #endif /* VMS */ |
85e6fe83 | 4378 | } |
34de22dd | 4379 | |
c90c0ff4 | 4380 | /* Use the ~-expanded versions of APPLLIB (undocumented), |
65f19062 | 4381 | ARCHLIB PRIVLIB SITEARCH SITELIB VENDORARCH and VENDORLIB |
df5cef82 | 4382 | */ |
4633a7c4 | 4383 | #ifdef APPLLIB_EXP |
88fe16b2 | 4384 | incpush(APPLLIB_EXP, TRUE, TRUE, TRUE, TRUE); |
16d20bd9 | 4385 | #endif |
4633a7c4 | 4386 | |
fed7345c | 4387 | #ifdef ARCHLIB_EXP |
88fe16b2 | 4388 | incpush(ARCHLIB_EXP, FALSE, FALSE, TRUE, TRUE); |
a0d0e21e | 4389 | #endif |
bf4acbe4 GS |
4390 | #ifdef MACOS_TRADITIONAL |
4391 | { | |
c623ac67 | 4392 | Stat_t tmpstatbuf; |
bf4acbe4 GS |
4393 | SV * privdir = NEWSV(55, 0); |
4394 | char * macperl = PerlEnv_getenv("MACPERL"); | |
4395 | ||
4396 | if (!macperl) | |
4397 | macperl = ""; | |
4398 | ||
4399 | Perl_sv_setpvf(aTHX_ privdir, "%slib:", macperl); | |
4400 | if (PerlLIO_stat(SvPVX(privdir), &tmpstatbuf) >= 0 && S_ISDIR(tmpstatbuf.st_mode)) | |
88fe16b2 | 4401 | incpush(SvPVX(privdir), TRUE, FALSE, TRUE, FALSE); |
bf4acbe4 GS |
4402 | Perl_sv_setpvf(aTHX_ privdir, "%ssite_perl:", macperl); |
4403 | if (PerlLIO_stat(SvPVX(privdir), &tmpstatbuf) >= 0 && S_ISDIR(tmpstatbuf.st_mode)) | |
88fe16b2 | 4404 | incpush(SvPVX(privdir), TRUE, FALSE, TRUE, FALSE); |
ac27b0f5 | 4405 | |
bf4acbe4 GS |
4406 | SvREFCNT_dec(privdir); |
4407 | } | |
4408 | if (!PL_tainting) | |
88fe16b2 | 4409 | incpush(":", FALSE, FALSE, TRUE, FALSE); |
bf4acbe4 | 4410 | #else |
fed7345c | 4411 | #ifndef PRIVLIB_EXP |
65f19062 | 4412 | # define PRIVLIB_EXP "/usr/local/lib/perl5:/usr/local/lib/perl" |
34de22dd | 4413 | #endif |
ac27b0f5 | 4414 | #if defined(WIN32) |
88fe16b2 | 4415 | incpush(PRIVLIB_EXP, TRUE, FALSE, TRUE, TRUE); |
00dc2f4f | 4416 | #else |
88fe16b2 | 4417 | incpush(PRIVLIB_EXP, FALSE, FALSE, TRUE, TRUE); |
00dc2f4f | 4418 | #endif |
4633a7c4 | 4419 | |
65f19062 | 4420 | #ifdef SITEARCH_EXP |
3b290362 GS |
4421 | /* sitearch is always relative to sitelib on Windows for |
4422 | * DLL-based path intuition to work correctly */ | |
4423 | # if !defined(WIN32) | |
88fe16b2 | 4424 | incpush(SITEARCH_EXP, FALSE, FALSE, TRUE, TRUE); |
65f19062 GS |
4425 | # endif |
4426 | #endif | |
4427 | ||
4633a7c4 | 4428 | #ifdef SITELIB_EXP |
65f19062 | 4429 | # if defined(WIN32) |
574c798a | 4430 | /* this picks up sitearch as well */ |
88fe16b2 | 4431 | incpush(SITELIB_EXP, TRUE, FALSE, TRUE, TRUE); |
65f19062 | 4432 | # else |
88fe16b2 | 4433 | incpush(SITELIB_EXP, FALSE, FALSE, TRUE, TRUE); |
65f19062 GS |
4434 | # endif |
4435 | #endif | |
189d1e8d | 4436 | |
65f19062 | 4437 | #ifdef SITELIB_STEM /* Search for version-specific dirs below here */ |
88fe16b2 | 4438 | incpush(SITELIB_STEM, FALSE, TRUE, TRUE, TRUE); |
81c6dfba | 4439 | #endif |
65f19062 GS |
4440 | |
4441 | #ifdef PERL_VENDORARCH_EXP | |
4ea817c6 | 4442 | /* vendorarch is always relative to vendorlib on Windows for |
3b290362 GS |
4443 | * DLL-based path intuition to work correctly */ |
4444 | # if !defined(WIN32) | |
88fe16b2 | 4445 | incpush(PERL_VENDORARCH_EXP, FALSE, FALSE, TRUE, TRUE); |
65f19062 | 4446 | # endif |
4b03c463 | 4447 | #endif |
65f19062 GS |
4448 | |
4449 | #ifdef PERL_VENDORLIB_EXP | |
4450 | # if defined(WIN32) | |
88fe16b2 | 4451 | incpush(PERL_VENDORLIB_EXP, TRUE, FALSE, TRUE, TRUE); /* this picks up vendorarch as well */ |
65f19062 | 4452 | # else |
88fe16b2 | 4453 | incpush(PERL_VENDORLIB_EXP, FALSE, FALSE, TRUE, TRUE); |
65f19062 | 4454 | # endif |
a3635516 | 4455 | #endif |
65f19062 GS |
4456 | |
4457 | #ifdef PERL_VENDORLIB_STEM /* Search for version-specific dirs below here */ | |
88fe16b2 | 4458 | incpush(PERL_VENDORLIB_STEM, FALSE, TRUE, TRUE, TRUE); |
00dc2f4f | 4459 | #endif |
65f19062 | 4460 | |
3b777bb4 | 4461 | #ifdef PERL_OTHERLIBDIRS |
88fe16b2 | 4462 | incpush(PERL_OTHERLIBDIRS, TRUE, TRUE, TRUE, TRUE); |
3b777bb4 GS |
4463 | #endif |
4464 | ||
3280af22 | 4465 | if (!PL_tainting) |
88fe16b2 | 4466 | incpush(".", FALSE, FALSE, TRUE, FALSE); |
bf4acbe4 | 4467 | #endif /* MACOS_TRADITIONAL */ |
774d564b | 4468 | } |
4469 | ||
27da23d5 | 4470 | #if defined(DOSISH) || defined(EPOC) || defined(SYMBIAN) |
774d564b | 4471 | # define PERLLIB_SEP ';' |
4472 | #else | |
4473 | # if defined(VMS) | |
4474 | # define PERLLIB_SEP '|' | |
4475 | # else | |
bf4acbe4 GS |
4476 | # if defined(MACOS_TRADITIONAL) |
4477 | # define PERLLIB_SEP ',' | |
4478 | # else | |
4479 | # define PERLLIB_SEP ':' | |
4480 | # endif | |
774d564b | 4481 | # endif |
4482 | #endif | |
4483 | #ifndef PERLLIB_MANGLE | |
4484 | # define PERLLIB_MANGLE(s,n) (s) | |
ac27b0f5 | 4485 | #endif |
774d564b | 4486 | |
ad17a1ae NC |
4487 | /* Push a directory onto @INC if it exists. |
4488 | Generate a new SV if we do this, to save needing to copy the SV we push | |
4489 | onto @INC */ | |
4490 | STATIC SV * | |
4491 | S_incpush_if_exists(pTHX_ SV *dir) | |
4492 | { | |
4493 | Stat_t tmpstatbuf; | |
848ef955 | 4494 | if (PerlLIO_stat(SvPVX_const(dir), &tmpstatbuf) >= 0 && |
ad17a1ae NC |
4495 | S_ISDIR(tmpstatbuf.st_mode)) { |
4496 | av_push(GvAVn(PL_incgv), dir); | |
4497 | dir = NEWSV(0,0); | |
4498 | } | |
4499 | return dir; | |
4500 | } | |
4501 | ||
76e3520e | 4502 | STATIC void |
dd374669 AL |
4503 | S_incpush(pTHX_ const char *dir, bool addsubdirs, bool addoldvers, bool usesep, |
4504 | bool canrelocate) | |
774d564b | 4505 | { |
4506 | SV *subdir = Nullsv; | |
dd374669 | 4507 | const char *p = dir; |
774d564b | 4508 | |
3b290362 | 4509 | if (!p || !*p) |
774d564b | 4510 | return; |
4511 | ||
9c8a64f0 | 4512 | if (addsubdirs || addoldvers) { |
ad17a1ae | 4513 | subdir = NEWSV(0,0); |
774d564b | 4514 | } |
4515 | ||
4516 | /* Break at all separators */ | |
4517 | while (p && *p) { | |
8c52afec | 4518 | SV *libdir = NEWSV(55,0); |
e1ec3a88 | 4519 | const char *s; |
774d564b | 4520 | |
4521 | /* skip any consecutive separators */ | |
574c798a SR |
4522 | if (usesep) { |
4523 | while ( *p == PERLLIB_SEP ) { | |
4524 | /* Uncomment the next line for PATH semantics */ | |
4525 | /* av_push(GvAVn(PL_incgv), newSVpvn(".", 1)); */ | |
4526 | p++; | |
4527 | } | |
774d564b | 4528 | } |
4529 | ||
574c798a | 4530 | if ( usesep && (s = strchr(p, PERLLIB_SEP)) != Nullch ) { |
774d564b | 4531 | sv_setpvn(libdir, PERLLIB_MANGLE(p, (STRLEN)(s - p)), |
4532 | (STRLEN)(s - p)); | |
4533 | p = s + 1; | |
4534 | } | |
4535 | else { | |
4536 | sv_setpv(libdir, PERLLIB_MANGLE(p, 0)); | |
4537 | p = Nullch; /* break out */ | |
4538 | } | |
bf4acbe4 | 4539 | #ifdef MACOS_TRADITIONAL |
e69a2255 JH |
4540 | if (!strchr(SvPVX(libdir), ':')) { |
4541 | char buf[256]; | |
4542 | ||
4543 | sv_setpv(libdir, MacPerl_CanonDir(SvPVX(libdir), buf, 0)); | |
4544 | } | |
bf4acbe4 GS |
4545 | if (SvPVX(libdir)[SvCUR(libdir)-1] != ':') |
4546 | sv_catpv(libdir, ":"); | |
4547 | #endif | |
774d564b | 4548 | |
dd374669 AL |
4549 | /* Do the if() outside the #ifdef to avoid warnings about an unused |
4550 | parameter. */ | |
4551 | if (canrelocate) { | |
88fe16b2 NC |
4552 | #ifdef PERL_RELOCATABLE_INC |
4553 | /* | |
4554 | * Relocatable include entries are marked with a leading .../ | |
4555 | * | |
4556 | * The algorithm is | |
4557 | * 0: Remove that leading ".../" | |
4558 | * 1: Remove trailing executable name (anything after the last '/') | |
4559 | * from the perl path to give a perl prefix | |
4560 | * Then | |
4561 | * While the @INC element starts "../" and the prefix ends with a real | |
4562 | * directory (ie not . or ..) chop that real directory off the prefix | |
4563 | * and the leading "../" from the @INC element. ie a logical "../" | |
4564 | * cleanup | |
4565 | * Finally concatenate the prefix and the remainder of the @INC element | |
4566 | * The intent is that /usr/local/bin/perl and .../../lib/perl5 | |
4567 | * generates /usr/local/lib/perl5 | |
4568 | */ | |
88fe16b2 NC |
4569 | char *libpath = SvPVX(libdir); |
4570 | STRLEN libpath_len = SvCUR(libdir); | |
4571 | if (libpath_len >= 4 && memEQ (libpath, ".../", 4)) { | |
4572 | /* Game on! */ | |
4573 | SV *caret_X = get_sv("\030", 0); | |
4574 | /* Going to use the SV just as a scratch buffer holding a C | |
4575 | string: */ | |
4576 | SV *prefix_sv; | |
4577 | char *prefix; | |
4578 | char *lastslash; | |
4579 | ||
4580 | /* $^X is *the* source of taint if tainting is on, hence | |
4581 | SvPOK() won't be true. */ | |
4582 | assert(caret_X); | |
4583 | assert(SvPOKp(caret_X)); | |
4584 | prefix_sv = newSVpvn(SvPVX(caret_X), SvCUR(caret_X)); | |
4585 | /* Firstly take off the leading .../ | |
4586 | If all else fail we'll do the paths relative to the current | |
4587 | directory. */ | |
4588 | sv_chop(libdir, libpath + 4); | |
4589 | /* Don't use SvPV as we're intentionally bypassing taining, | |
4590 | mortal copies that the mg_get of tainting creates, and | |
4591 | corruption that seems to come via the save stack. | |
4592 | I guess that the save stack isn't correctly set up yet. */ | |
4593 | libpath = SvPVX(libdir); | |
4594 | libpath_len = SvCUR(libdir); | |
4595 | ||
4596 | /* This would work more efficiently with memrchr, but as it's | |
4597 | only a GNU extension we'd need to probe for it and | |
4598 | implement our own. Not hard, but maybe not worth it? */ | |
4599 | ||
4600 | prefix = SvPVX(prefix_sv); | |
4601 | lastslash = strrchr(prefix, '/'); | |
4602 | ||
4603 | /* First time in with the *lastslash = '\0' we just wipe off | |
4604 | the trailing /perl from (say) /usr/foo/bin/perl | |
4605 | */ | |
4606 | if (lastslash) { | |
4607 | SV *tempsv; | |
4608 | while ((*lastslash = '\0'), /* Do that, come what may. */ | |
4609 | (libpath_len >= 3 && memEQ(libpath, "../", 3) | |
4610 | && (lastslash = strrchr(prefix, '/')))) { | |
4611 | if (lastslash[1] == '\0' | |
4612 | || (lastslash[1] == '.' | |
4613 | && (lastslash[2] == '/' /* ends "/." */ | |
4614 | || (lastslash[2] == '/' | |
4615 | && lastslash[3] == '/' /* or "/.." */ | |
4616 | )))) { | |
4617 | /* Prefix ends "/" or "/." or "/..", any of which | |
4618 | are fishy, so don't do any more logical cleanup. | |
4619 | */ | |
4620 | break; | |
4621 | } | |
4622 | /* Remove leading "../" from path */ | |
4623 | libpath += 3; | |
4624 | libpath_len -= 3; | |
4625 | /* Next iteration round the loop removes the last | |
4626 | directory name from prefix by writing a '\0' in | |
4627 | the while clause. */ | |
4628 | } | |
4629 | /* prefix has been terminated with a '\0' to the correct | |
4630 | length. libpath points somewhere into the libdir SV. | |
4631 | We need to join the 2 with '/' and drop the result into | |
4632 | libdir. */ | |
4633 | tempsv = Perl_newSVpvf(aTHX_ "%s/%s", prefix, libpath); | |
4634 | SvREFCNT_dec(libdir); | |
4635 | /* And this is the new libdir. */ | |
4636 | libdir = tempsv; | |
4637 | if (PL_tainting && | |
4638 | (PL_uid != PL_euid || PL_gid != PL_egid)) { | |
4639 | /* Need to taint reloccated paths if running set ID */ | |
4640 | SvTAINTED_on(libdir); | |
4641 | } | |
4642 | } | |
4643 | SvREFCNT_dec(prefix_sv); | |
4644 | } | |
88fe16b2 | 4645 | #endif |
dd374669 | 4646 | } |
774d564b | 4647 | /* |
4648 | * BEFORE pushing libdir onto @INC we may first push version- and | |
4649 | * archname-specific sub-directories. | |
4650 | */ | |
9c8a64f0 | 4651 | if (addsubdirs || addoldvers) { |
29d82f8d | 4652 | #ifdef PERL_INC_VERSION_LIST |
8353b874 GS |
4653 | /* Configure terminates PERL_INC_VERSION_LIST with a NULL */ |
4654 | const char *incverlist[] = { PERL_INC_VERSION_LIST }; | |
29d82f8d GS |
4655 | const char **incver; |
4656 | #endif | |
aa689395 | 4657 | #ifdef VMS |
4658 | char *unix; | |
4659 | STRLEN len; | |
774d564b | 4660 | |
2d8e6c8d | 4661 | if ((unix = tounixspec_ts(SvPV(libdir,len),Nullch)) != Nullch) { |
aa689395 | 4662 | len = strlen(unix); |
4663 | while (unix[len-1] == '/') len--; /* Cosmetic */ | |
4664 | sv_usepvn(libdir,unix,len); | |
4665 | } | |
4666 | else | |
bf49b057 | 4667 | PerlIO_printf(Perl_error_log, |
aa689395 | 4668 | "Failed to unixify @INC element \"%s\"\n", |
2d8e6c8d | 4669 | SvPV(libdir,len)); |
aa689395 | 4670 | #endif |
9c8a64f0 | 4671 | if (addsubdirs) { |
bf4acbe4 GS |
4672 | #ifdef MACOS_TRADITIONAL |
4673 | #define PERL_AV_SUFFIX_FMT "" | |
084592ab CN |
4674 | #define PERL_ARCH_FMT "%s:" |
4675 | #define PERL_ARCH_FMT_PATH PERL_FS_VER_FMT PERL_AV_SUFFIX_FMT | |
bf4acbe4 GS |
4676 | #else |
4677 | #define PERL_AV_SUFFIX_FMT "/" | |
4678 | #define PERL_ARCH_FMT "/%s" | |
084592ab | 4679 | #define PERL_ARCH_FMT_PATH PERL_AV_SUFFIX_FMT PERL_FS_VER_FMT |
bf4acbe4 | 4680 | #endif |
9c8a64f0 | 4681 | /* .../version/archname if -d .../version/archname */ |
084592ab | 4682 | Perl_sv_setpvf(aTHX_ subdir, "%"SVf PERL_ARCH_FMT_PATH PERL_ARCH_FMT, |
9c8a64f0 GS |
4683 | libdir, |
4684 | (int)PERL_REVISION, (int)PERL_VERSION, | |
4685 | (int)PERL_SUBVERSION, ARCHNAME); | |
ad17a1ae | 4686 | subdir = S_incpush_if_exists(aTHX_ subdir); |
4b03c463 | 4687 | |
9c8a64f0 | 4688 | /* .../version if -d .../version */ |
084592ab | 4689 | Perl_sv_setpvf(aTHX_ subdir, "%"SVf PERL_ARCH_FMT_PATH, libdir, |
9c8a64f0 GS |
4690 | (int)PERL_REVISION, (int)PERL_VERSION, |
4691 | (int)PERL_SUBVERSION); | |
ad17a1ae | 4692 | subdir = S_incpush_if_exists(aTHX_ subdir); |
9c8a64f0 GS |
4693 | |
4694 | /* .../archname if -d .../archname */ | |
bf4acbe4 | 4695 | Perl_sv_setpvf(aTHX_ subdir, "%"SVf PERL_ARCH_FMT, libdir, ARCHNAME); |
ad17a1ae NC |
4696 | subdir = S_incpush_if_exists(aTHX_ subdir); |
4697 | ||
29d82f8d | 4698 | } |
9c8a64f0 | 4699 | |
9c8a64f0 | 4700 | #ifdef PERL_INC_VERSION_LIST |
ccc2aad8 | 4701 | if (addoldvers) { |
9c8a64f0 GS |
4702 | for (incver = incverlist; *incver; incver++) { |
4703 | /* .../xxx if -d .../xxx */ | |
bf4acbe4 | 4704 | Perl_sv_setpvf(aTHX_ subdir, "%"SVf PERL_ARCH_FMT, libdir, *incver); |
ad17a1ae | 4705 | subdir = S_incpush_if_exists(aTHX_ subdir); |
9c8a64f0 GS |
4706 | } |
4707 | } | |
29d82f8d | 4708 | #endif |
774d564b | 4709 | } |
4710 | ||
4711 | /* finally push this lib directory on the end of @INC */ | |
3280af22 | 4712 | av_push(GvAVn(PL_incgv), libdir); |
774d564b | 4713 | } |
ad17a1ae | 4714 | if (subdir) { |
ef97f5b3 | 4715 | assert (SvREFCNT(subdir) == 1); |
ad17a1ae NC |
4716 | SvREFCNT_dec(subdir); |
4717 | } | |
34de22dd | 4718 | } |
93a17b20 | 4719 | |
4d1ff10f | 4720 | #ifdef USE_5005THREADS |
76e3520e | 4721 | STATIC struct perl_thread * |
cea2e8a9 | 4722 | S_init_main_thread(pTHX) |
199100c8 | 4723 | { |
c5be433b | 4724 | #if !defined(PERL_IMPLICIT_CONTEXT) |
52e1cb5e | 4725 | struct perl_thread *thr; |
cea2e8a9 | 4726 | #endif |
199100c8 MB |
4727 | XPV *xpv; |
4728 | ||
52e1cb5e | 4729 | Newz(53, thr, 1, struct perl_thread); |
533c011a | 4730 | PL_curcop = &PL_compiling; |
c5be433b | 4731 | thr->interp = PERL_GET_INTERP; |
199100c8 | 4732 | thr->cvcache = newHV(); |
54b9620d | 4733 | thr->threadsv = newAV(); |
940cb80d | 4734 | /* thr->threadsvp is set when find_threadsv is called */ |
199100c8 MB |
4735 | thr->specific = newAV(); |
4736 | thr->flags = THRf_R_JOINABLE; | |
4737 | MUTEX_INIT(&thr->mutex); | |
4738 | /* Handcraft thrsv similarly to mess_sv */ | |
533c011a | 4739 | New(53, PL_thrsv, 1, SV); |
199100c8 | 4740 | Newz(53, xpv, 1, XPV); |
533c011a NIS |
4741 | SvFLAGS(PL_thrsv) = SVt_PV; |
4742 | SvANY(PL_thrsv) = (void*)xpv; | |
4743 | SvREFCNT(PL_thrsv) = 1 << 30; /* practically infinite */ | |
f880fe2f | 4744 | SvPV_set(PL_thrsvr, (char*)thr); |
533c011a NIS |
4745 | SvCUR_set(PL_thrsv, sizeof(thr)); |
4746 | SvLEN_set(PL_thrsv, sizeof(thr)); | |
4747 | *SvEND(PL_thrsv) = '\0'; /* in the trailing_nul field */ | |
4748 | thr->oursv = PL_thrsv; | |
4749 | PL_chopset = " \n-"; | |
3967c732 | 4750 | PL_dumpindent = 4; |
533c011a NIS |
4751 | |
4752 | MUTEX_LOCK(&PL_threads_mutex); | |
4753 | PL_nthreads++; | |
199100c8 MB |
4754 | thr->tid = 0; |
4755 | thr->next = thr; | |
4756 | thr->prev = thr; | |
8dcd6f7b | 4757 | thr->thr_done = 0; |
533c011a | 4758 | MUTEX_UNLOCK(&PL_threads_mutex); |
199100c8 | 4759 | |
4b026b9e | 4760 | #ifdef HAVE_THREAD_INTERN |
4f63d024 | 4761 | Perl_init_thread_intern(thr); |
235db74f GS |
4762 | #endif |
4763 | ||
4764 | #ifdef SET_THREAD_SELF | |
4765 | SET_THREAD_SELF(thr); | |
199100c8 MB |
4766 | #else |
4767 | thr->self = pthread_self(); | |
235db74f | 4768 | #endif /* SET_THREAD_SELF */ |
06d86050 | 4769 | PERL_SET_THX(thr); |
199100c8 MB |
4770 | |
4771 | /* | |
411caa50 JH |
4772 | * These must come after the thread self setting |
4773 | * because sv_setpvn does SvTAINT and the taint | |
4774 | * fields thread selfness being set. | |
199100c8 | 4775 | */ |
533c011a NIS |
4776 | PL_toptarget = NEWSV(0,0); |
4777 | sv_upgrade(PL_toptarget, SVt_PVFM); | |
4778 | sv_setpvn(PL_toptarget, "", 0); | |
4779 | PL_bodytarget = NEWSV(0,0); | |
4780 | sv_upgrade(PL_bodytarget, SVt_PVFM); | |
4781 | sv_setpvn(PL_bodytarget, "", 0); | |
4782 | PL_formtarget = PL_bodytarget; | |
79cb57f6 | 4783 | thr->errsv = newSVpvn("", 0); |
78857c3c | 4784 | (void) find_threadsv("@"); /* Ensure $@ is initialised early */ |
5c0ca799 | 4785 | |
533c011a | 4786 | PL_maxscream = -1; |
a2efc822 | 4787 | PL_peepp = MEMBER_TO_FPTR(Perl_peep); |
0b94c7bb GS |
4788 | PL_regcompp = MEMBER_TO_FPTR(Perl_pregcomp); |
4789 | PL_regexecp = MEMBER_TO_FPTR(Perl_regexec_flags); | |
4790 | PL_regint_start = MEMBER_TO_FPTR(Perl_re_intuit_start); | |
4791 | PL_regint_string = MEMBER_TO_FPTR(Perl_re_intuit_string); | |
4792 | PL_regfree = MEMBER_TO_FPTR(Perl_pregfree); | |
533c011a NIS |
4793 | PL_regindent = 0; |
4794 | PL_reginterp_cnt = 0; | |
5c0ca799 | 4795 | |
199100c8 MB |
4796 | return thr; |
4797 | } | |
4d1ff10f | 4798 | #endif /* USE_5005THREADS */ |
199100c8 | 4799 | |
93a17b20 | 4800 | void |
864dbfa3 | 4801 | Perl_call_list(pTHX_ I32 oldscope, AV *paramList) |
93a17b20 | 4802 | { |
27da23d5 | 4803 | dVAR; |
971a9dd3 | 4804 | SV *atsv; |
dd374669 | 4805 | const line_t oldline = CopLINE(PL_curcop); |
312caa8e | 4806 | CV *cv; |
22921e25 | 4807 | STRLEN len; |
6224f72b | 4808 | int ret; |
db36c5a1 | 4809 | dJMPENV; |
93a17b20 | 4810 | |
e1ec3a88 | 4811 | while (av_len(paramList) >= 0) { |
312caa8e | 4812 | cv = (CV*)av_shift(paramList); |
ece599bd RGS |
4813 | if (PL_savebegin) { |
4814 | if (paramList == PL_beginav) { | |
059a8bb7 | 4815 | /* save PL_beginav for compiler */ |
ece599bd RGS |
4816 | if (! PL_beginav_save) |
4817 | PL_beginav_save = newAV(); | |
4818 | av_push(PL_beginav_save, (SV*)cv); | |
4819 | } | |
4820 | else if (paramList == PL_checkav) { | |
4821 | /* save PL_checkav for compiler */ | |
4822 | if (! PL_checkav_save) | |
4823 | PL_checkav_save = newAV(); | |
4824 | av_push(PL_checkav_save, (SV*)cv); | |
4825 | } | |
059a8bb7 JH |
4826 | } else { |
4827 | SAVEFREESV(cv); | |
4828 | } | |
14dd3ad8 | 4829 | JMPENV_PUSH(ret); |
6224f72b | 4830 | switch (ret) { |
312caa8e | 4831 | case 0: |
14dd3ad8 | 4832 | call_list_body(cv); |
971a9dd3 | 4833 | atsv = ERRSV; |
10516c54 | 4834 | (void)SvPV_const(atsv, len); |
312caa8e CS |
4835 | if (len) { |
4836 | PL_curcop = &PL_compiling; | |
57843af0 | 4837 | CopLINE_set(PL_curcop, oldline); |
312caa8e CS |
4838 | if (paramList == PL_beginav) |
4839 | sv_catpv(atsv, "BEGIN failed--compilation aborted"); | |
4840 | else | |
4f25aa18 GS |
4841 | Perl_sv_catpvf(aTHX_ atsv, |
4842 | "%s failed--call queue aborted", | |
7d30b5c4 | 4843 | paramList == PL_checkav ? "CHECK" |
4f25aa18 GS |
4844 | : paramList == PL_initav ? "INIT" |
4845 | : "END"); | |
312caa8e CS |
4846 | while (PL_scopestack_ix > oldscope) |
4847 | LEAVE; | |
14dd3ad8 | 4848 | JMPENV_POP; |
35c1215d | 4849 | Perl_croak(aTHX_ "%"SVf"", atsv); |
a0d0e21e | 4850 | } |
85e6fe83 | 4851 | break; |
6224f72b | 4852 | case 1: |
f86702cc | 4853 | STATUS_ALL_FAILURE; |
85e6fe83 | 4854 | /* FALL THROUGH */ |
6224f72b | 4855 | case 2: |
85e6fe83 | 4856 | /* my_exit() was called */ |
3280af22 | 4857 | while (PL_scopestack_ix > oldscope) |
2ae324a7 | 4858 | LEAVE; |
84902520 | 4859 | FREETMPS; |
3280af22 | 4860 | PL_curstash = PL_defstash; |
3280af22 | 4861 | PL_curcop = &PL_compiling; |
57843af0 | 4862 | CopLINE_set(PL_curcop, oldline); |
14dd3ad8 | 4863 | JMPENV_POP; |
cc3604b1 | 4864 | if (PL_statusvalue && !(PL_exit_flags & PERL_EXIT_EXPECTED)) { |
3280af22 | 4865 | if (paramList == PL_beginav) |
cea2e8a9 | 4866 | Perl_croak(aTHX_ "BEGIN failed--compilation aborted"); |
85e6fe83 | 4867 | else |
4f25aa18 | 4868 | Perl_croak(aTHX_ "%s failed--call queue aborted", |
7d30b5c4 | 4869 | paramList == PL_checkav ? "CHECK" |
4f25aa18 GS |
4870 | : paramList == PL_initav ? "INIT" |
4871 | : "END"); | |
85e6fe83 | 4872 | } |
f86702cc | 4873 | my_exit_jump(); |
85e6fe83 | 4874 | /* NOTREACHED */ |
6224f72b | 4875 | case 3: |
312caa8e CS |
4876 | if (PL_restartop) { |
4877 | PL_curcop = &PL_compiling; | |
57843af0 | 4878 | CopLINE_set(PL_curcop, oldline); |
312caa8e | 4879 | JMPENV_JUMP(3); |
85e6fe83 | 4880 | } |
bf49b057 | 4881 | PerlIO_printf(Perl_error_log, "panic: restartop\n"); |
312caa8e CS |
4882 | FREETMPS; |
4883 | break; | |
8990e307 | 4884 | } |
14dd3ad8 | 4885 | JMPENV_POP; |
93a17b20 | 4886 | } |
93a17b20 | 4887 | } |
93a17b20 | 4888 | |
14dd3ad8 GS |
4889 | STATIC void * |
4890 | S_call_list_body(pTHX_ CV *cv) | |
4891 | { | |
312caa8e | 4892 | PUSHMARK(PL_stack_sp); |
864dbfa3 | 4893 | call_sv((SV*)cv, G_EVAL|G_DISCARD); |
312caa8e CS |
4894 | return NULL; |
4895 | } | |
4896 | ||
f86702cc | 4897 | void |
864dbfa3 | 4898 | Perl_my_exit(pTHX_ U32 status) |
f86702cc | 4899 | { |
8b73bbec | 4900 | DEBUG_S(PerlIO_printf(Perl_debug_log, "my_exit: thread %p, status %lu\n", |
a863c7d1 | 4901 | thr, (unsigned long) status)); |
f86702cc | 4902 | switch (status) { |
4903 | case 0: | |
4904 | STATUS_ALL_SUCCESS; | |
4905 | break; | |
4906 | case 1: | |
4907 | STATUS_ALL_FAILURE; | |
4908 | break; | |
4909 | default: | |
4910 | STATUS_NATIVE_SET(status); | |
4911 | break; | |
4912 | } | |
4913 | my_exit_jump(); | |
4914 | } | |
4915 | ||
4916 | void | |
864dbfa3 | 4917 | Perl_my_failure_exit(pTHX) |
f86702cc | 4918 | { |
4919 | #ifdef VMS | |
4920 | if (vaxc$errno & 1) { | |
4fdae800 | 4921 | if (STATUS_NATIVE & 1) /* fortuitiously includes "-1" */ |
4922 | STATUS_NATIVE_SET(44); | |
f86702cc | 4923 | } |
4924 | else { | |
69232efa | 4925 | if (!vaxc$errno) /* unlikely */ |
4fdae800 | 4926 | STATUS_NATIVE_SET(44); |
f86702cc | 4927 | else |
4fdae800 | 4928 | STATUS_NATIVE_SET(vaxc$errno); |
f86702cc | 4929 | } |
4930 | #else | |
9b599b2a | 4931 | int exitstatus; |
f86702cc | 4932 | if (errno & 255) |
e5218da5 | 4933 | STATUS_UNIX_SET(errno); |
9b599b2a | 4934 | else { |
e5218da5 | 4935 | exitstatus = STATUS_UNIX >> 8; |
9b599b2a | 4936 | if (exitstatus & 255) |
e5218da5 | 4937 | STATUS_UNIX_SET(exitstatus); |
9b599b2a | 4938 | else |
e5218da5 | 4939 | STATUS_UNIX_SET(255); |
9b599b2a | 4940 | } |
f86702cc | 4941 | #endif |
4942 | my_exit_jump(); | |
93a17b20 LW |
4943 | } |
4944 | ||
76e3520e | 4945 | STATIC void |
cea2e8a9 | 4946 | S_my_exit_jump(pTHX) |
f86702cc | 4947 | { |
27da23d5 | 4948 | dVAR; |
c09156bb | 4949 | register PERL_CONTEXT *cx; |
f86702cc | 4950 | I32 gimme; |
4951 | SV **newsp; | |
4952 | ||
3280af22 NIS |
4953 | if (PL_e_script) { |
4954 | SvREFCNT_dec(PL_e_script); | |
4955 | PL_e_script = Nullsv; | |
f86702cc | 4956 | } |
4957 | ||
3280af22 | 4958 | POPSTACK_TO(PL_mainstack); |
f86702cc | 4959 | if (cxstack_ix >= 0) { |
4960 | if (cxstack_ix > 0) | |
4961 | dounwind(0); | |
3280af22 | 4962 | POPBLOCK(cx,PL_curpm); |
f86702cc | 4963 | LEAVE; |
4964 | } | |
ff0cee69 | 4965 | |
6224f72b | 4966 | JMPENV_JUMP(2); |
f86702cc | 4967 | } |
873ef191 | 4968 | |
0cb96387 | 4969 | static I32 |
acfe0abc | 4970 | read_e_script(pTHX_ int idx, SV *buf_sv, int maxlen) |
873ef191 | 4971 | { |
848ef955 | 4972 | const char *p, *nl; |
dd374669 AL |
4973 | (void)idx; |
4974 | (void)maxlen; | |
4975 | ||
848ef955 | 4976 | p = SvPVX_const(PL_e_script); |
873ef191 | 4977 | nl = strchr(p, '\n'); |
3280af22 | 4978 | nl = (nl) ? nl+1 : SvEND(PL_e_script); |
7dfe3f66 | 4979 | if (nl-p == 0) { |
0cb96387 | 4980 | filter_del(read_e_script); |
873ef191 | 4981 | return 0; |
7dfe3f66 | 4982 | } |
873ef191 | 4983 | sv_catpvn(buf_sv, p, nl-p); |
3280af22 | 4984 | sv_chop(PL_e_script, nl); |
873ef191 GS |
4985 | return 1; |
4986 | } | |
66610fdd RGS |
4987 | |
4988 | /* | |
4989 | * Local variables: | |
4990 | * c-indentation-style: bsd | |
4991 | * c-basic-offset: 4 | |
4992 | * indent-tabs-mode: t | |
4993 | * End: | |
4994 | * | |
37442d52 RGS |
4995 | * ex: set ts=8 sts=4 sw=4 noet: |
4996 | */ |