Commit | Line | Data |
---|---|---|
a0d0e21e LW |
1 | /* perl.c |
2 | * | |
a411490c | 3 | * Copyright (c) 1987-1998 Larry Wall |
a687059c | 4 | * |
352d5a3a LW |
5 | * You may distribute under the terms of either the GNU General Public |
6 | * License or the Artistic License, as specified in the README file. | |
a687059c | 7 | * |
8d063cd8 LW |
8 | */ |
9 | ||
a0d0e21e LW |
10 | /* |
11 | * "A ship then new they built for him/of mithril and of elven glass" --Bilbo | |
12 | */ | |
45d8adaa | 13 | |
378cc40b LW |
14 | #include "EXTERN.h" |
15 | #include "perl.h" | |
a687059c | 16 | #include "patchlevel.h" |
378cc40b | 17 | |
df5cef82 | 18 | /* XXX If this causes problems, set i_unistd=undef in the hint file. */ |
a0d0e21e LW |
19 | #ifdef I_UNISTD |
20 | #include <unistd.h> | |
21 | #endif | |
a0d0e21e | 22 | |
54310121 | 23 | #if !defined(STANDARD_C) && !defined(HAS_GETENV_PROTOTYPE) |
24 | char *getenv _((char *)); /* Usually in <stdlib.h> */ | |
25 | #endif | |
26 | ||
71be2cbc | 27 | dEXTCONST char rcsid[] = "perl.c\nPatch level: ###\n"; |
463ee0b2 | 28 | |
a687059c LW |
29 | #ifdef IAMSUID |
30 | #ifndef DOSUID | |
31 | #define DOSUID | |
32 | #endif | |
33 | #endif | |
378cc40b | 34 | |
a687059c LW |
35 | #ifdef SETUID_SCRIPTS_ARE_SECURE_NOW |
36 | #ifdef DOSUID | |
37 | #undef DOSUID | |
38 | #endif | |
39 | #endif | |
8d063cd8 | 40 | |
8ebc5c01 | 41 | #define I_REINIT \ |
42 | STMT_START { \ | |
43 | chopset = " \n-"; \ | |
44 | copline = NOLINE; \ | |
45 | curcop = &compiling; \ | |
46 | curcopdb = NULL; \ | |
47 | cxstack_ix = -1; \ | |
48 | cxstack_max = 128; \ | |
49 | dbargs = 0; \ | |
50 | dlmax = 128; \ | |
51 | laststatval = -1; \ | |
52 | laststype = OP_STAT; \ | |
53 | maxscream = -1; \ | |
54 | maxsysfd = MAXSYSFD; \ | |
55 | statname = Nullsv; \ | |
56 | tmps_floor = -1; \ | |
57 | tmps_ix = -1; \ | |
58 | op_mask = NULL; \ | |
59 | dlmax = 128; \ | |
60 | laststatval = -1; \ | |
61 | laststype = OP_STAT; \ | |
46fc3d4c | 62 | mess_sv = Nullsv; \ |
8ebc5c01 | 63 | } STMT_END |
64 | ||
76e3520e | 65 | #ifndef PERL_OBJECT |
a0d0e21e | 66 | static void find_beginning _((void)); |
bbce6d69 | 67 | static void forbid_setid _((char *)); |
774d564b | 68 | static void incpush _((char *, int)); |
748a9306 | 69 | static void init_ids _((void)); |
a0d0e21e LW |
70 | static void init_debugger _((void)); |
71 | static void init_lexer _((void)); | |
72 | static void init_main_stash _((void)); | |
199100c8 | 73 | #ifdef USE_THREADS |
52e1cb5e | 74 | static struct perl_thread * init_main_thread _((void)); |
199100c8 | 75 | #endif /* USE_THREADS */ |
a0d0e21e LW |
76 | static void init_perllib _((void)); |
77 | static void init_postdump_symbols _((int, char **, char **)); | |
78 | static void init_predump_symbols _((void)); | |
f86702cc | 79 | static void my_exit_jump _((void)) __attribute__((noreturn)); |
6e72f9df | 80 | static void nuke_stacks _((void)); |
01f988be | 81 | static void open_script _((char *, bool, SV *, int *fd)); |
ab821d7f | 82 | static void usage _((char *)); |
01f988be | 83 | static void validate_suid _((char *, char*, int)); |
76e3520e | 84 | #endif |
96436eeb | 85 | |
01f988be GS |
86 | #ifdef PERL_OBJECT |
87 | CPerlObj* perl_alloc(IPerlMem* ipM, IPerlEnv* ipE, IPerlStdIO* ipStd, | |
88 | IPerlLIO* ipLIO, IPerlDir* ipD, IPerlSock* ipS, IPerlProc* ipP) | |
89 | { | |
90 | CPerlObj* pPerl = new(ipM) CPerlObj(ipM, ipE, ipStd, ipLIO, ipD, ipS, ipP); | |
91 | if(pPerl != NULL) | |
92 | pPerl->Init(); | |
79072805 | 93 | |
01f988be GS |
94 | return pPerl; |
95 | } | |
96 | #else | |
93a17b20 | 97 | PerlInterpreter * |
8ac85365 | 98 | perl_alloc(void) |
79072805 | 99 | { |
93a17b20 | 100 | PerlInterpreter *sv_interp; |
79072805 | 101 | |
8990e307 | 102 | curinterp = 0; |
93a17b20 | 103 | New(53, sv_interp, 1, PerlInterpreter); |
79072805 LW |
104 | return sv_interp; |
105 | } | |
01f988be | 106 | #endif /* PERL_OBJECT */ |
79072805 LW |
107 | |
108 | void | |
76e3520e GS |
109 | #ifdef PERL_OBJECT |
110 | CPerlObj::perl_construct(void) | |
111 | #else | |
8ac85365 | 112 | perl_construct(register PerlInterpreter *sv_interp) |
76e3520e | 113 | #endif |
79072805 | 114 | { |
a863c7d1 MB |
115 | #ifdef USE_THREADS |
116 | int i; | |
117 | #ifndef FAKE_THREADS | |
52e1cb5e | 118 | struct perl_thread *thr; |
a863c7d1 MB |
119 | #endif /* FAKE_THREADS */ |
120 | #endif /* USE_THREADS */ | |
11343788 | 121 | |
76e3520e | 122 | #ifndef PERL_OBJECT |
79072805 LW |
123 | if (!(curinterp = sv_interp)) |
124 | return; | |
76e3520e | 125 | #endif |
79072805 | 126 | |
8990e307 | 127 | #ifdef MULTIPLICITY |
93a17b20 | 128 | Zero(sv_interp, 1, PerlInterpreter); |
8990e307 | 129 | #endif |
79072805 | 130 | |
33f46ff6 | 131 | /* Init the real globals (and main thread)? */ |
c116a00c | 132 | if (!linestr) { |
11343788 | 133 | #ifdef USE_THREADS |
8023c3ce | 134 | |
33f46ff6 | 135 | INIT_THREADS; |
d55594ae GS |
136 | #ifdef ALLOC_THREAD_KEY |
137 | ALLOC_THREAD_KEY; | |
138 | #else | |
a863c7d1 MB |
139 | if (pthread_key_create(&thr_key, 0)) |
140 | croak("panic: pthread_key_create"); | |
d55594ae | 141 | #endif |
c116a00c | 142 | MUTEX_INIT(&sv_mutex); |
a863c7d1 MB |
143 | /* |
144 | * Safe to use basic SV functions from now on (though | |
145 | * not things like mortals or tainting yet). | |
146 | */ | |
c116a00c MB |
147 | MUTEX_INIT(&eval_mutex); |
148 | COND_INIT(&eval_cond); | |
33f46ff6 | 149 | MUTEX_INIT(&threads_mutex); |
c116a00c | 150 | COND_INIT(&nthreads_cond); |
dce16143 MB |
151 | #ifdef EMULATE_ATOMIC_REFCOUNTS |
152 | MUTEX_INIT(&svref_mutex); | |
153 | #endif /* EMULATE_ATOMIC_REFCOUNTS */ | |
a863c7d1 | 154 | |
199100c8 | 155 | thr = init_main_thread(); |
11343788 MB |
156 | #endif /* USE_THREADS */ |
157 | ||
79072805 | 158 | linestr = NEWSV(65,80); |
ed6116ce | 159 | sv_upgrade(linestr,SVt_PVIV); |
79072805 | 160 | |
6e72f9df | 161 | if (!SvREADONLY(&sv_undef)) { |
162 | SvREADONLY_on(&sv_undef); | |
79072805 | 163 | |
6e72f9df | 164 | sv_setpv(&sv_no,No); |
165 | SvNV(&sv_no); | |
166 | SvREADONLY_on(&sv_no); | |
79072805 | 167 | |
6e72f9df | 168 | sv_setpv(&sv_yes,Yes); |
169 | SvNV(&sv_yes); | |
170 | SvREADONLY_on(&sv_yes); | |
171 | } | |
79072805 | 172 | |
c07a80fd | 173 | nrs = newSVpv("\n", 1); |
174 | rs = SvREFCNT_inc(nrs); | |
175 | ||
76e3520e GS |
176 | #ifdef PERL_OBJECT |
177 | /* TODO: */ | |
178 | /* sighandlerp = sighandler; */ | |
179 | #else | |
c23142e2 | 180 | sighandlerp = sighandler; |
76e3520e | 181 | #endif |
44a8e56a | 182 | pidstatus = newHV(); |
183 | ||
79072805 LW |
184 | #ifdef MSDOS |
185 | /* | |
186 | * There is no way we can refer to them from Perl so close them to save | |
187 | * space. The other alternative would be to provide STDAUX and STDPRN | |
188 | * filehandles. | |
189 | */ | |
190 | (void)fclose(stdaux); | |
191 | (void)fclose(stdprn); | |
192 | #endif | |
193 | } | |
194 | ||
8990e307 | 195 | #ifdef MULTIPLICITY |
8ebc5c01 | 196 | I_REINIT; |
197 | perl_destruct_level = 1; | |
198 | #else | |
199 | if(perl_destruct_level > 0) | |
200 | I_REINIT; | |
79072805 LW |
201 | #endif |
202 | ||
748a9306 | 203 | init_ids(); |
fb73857a | 204 | lex_state = LEX_NOTPARSING; |
a5f75d66 | 205 | |
54310121 | 206 | start_env.je_prev = NULL; |
207 | start_env.je_ret = -1; | |
208 | start_env.je_mustcatch = TRUE; | |
209 | top_env = &start_env; | |
f86702cc | 210 | STATUS_ALL_SUCCESS; |
211 | ||
36477c24 | 212 | SET_NUMERIC_STANDARD(); |
a5f75d66 | 213 | #if defined(SUBVERSION) && SUBVERSION > 0 |
e2666263 | 214 | sprintf(patchlevel, "%7.5f", (double) 5 |
215 | + ((double) PATCHLEVEL / (double) 1000) | |
216 | + ((double) SUBVERSION / (double) 100000)); | |
a5f75d66 | 217 | #else |
e2666263 | 218 | sprintf(patchlevel, "%5.3f", (double) 5 + |
219 | ((double) PATCHLEVEL / (double) 1000)); | |
a5f75d66 | 220 | #endif |
79072805 | 221 | |
ab821d7f | 222 | #if defined(LOCAL_PATCH_COUNT) |
6e72f9df | 223 | localpatches = local_patches; /* For possible -v */ |
ab821d7f | 224 | #endif |
225 | ||
760ac839 LW |
226 | PerlIO_init(); /* Hook to IO system */ |
227 | ||
79072805 | 228 | fdpid = newAV(); /* for remembering popen pids by fd */ |
8990e307 | 229 | |
11343788 MB |
230 | init_stacks(ARGS); |
231 | DEBUG( { | |
232 | New(51,debname,128,char); | |
233 | New(52,debdelim,128,char); | |
234 | } ) | |
235 | ||
8990e307 | 236 | ENTER; |
79072805 LW |
237 | } |
238 | ||
239 | void | |
76e3520e GS |
240 | #ifdef PERL_OBJECT |
241 | CPerlObj::perl_destruct(void) | |
242 | #else | |
8ac85365 | 243 | perl_destruct(register PerlInterpreter *sv_interp) |
76e3520e | 244 | #endif |
79072805 | 245 | { |
11343788 | 246 | dTHR; |
748a9306 | 247 | int destruct_level; /* 0=none, 1=full, 2=full with checks */ |
8990e307 | 248 | I32 last_sv_count; |
a0d0e21e | 249 | HV *hv; |
1f2bfc8a | 250 | #ifdef USE_THREADS |
33f46ff6 | 251 | Thread t; |
1f2bfc8a | 252 | #endif /* USE_THREADS */ |
8990e307 | 253 | |
76e3520e | 254 | #ifndef PERL_OBJECT |
79072805 LW |
255 | if (!(curinterp = sv_interp)) |
256 | return; | |
76e3520e | 257 | #endif |
748a9306 | 258 | |
11343788 | 259 | #ifdef USE_THREADS |
0f15f207 | 260 | #ifndef FAKE_THREADS |
8023c3ce MB |
261 | /* Pass 1 on any remaining threads: detach joinables, join zombies */ |
262 | retry_cleanup: | |
33f46ff6 MB |
263 | MUTEX_LOCK(&threads_mutex); |
264 | DEBUG_L(PerlIO_printf(PerlIO_stderr(), | |
c7848ba1 | 265 | "perl_destruct: waiting for %d threads...\n", |
33f46ff6 MB |
266 | nthreads - 1)); |
267 | for (t = thr->next; t != thr; t = t->next) { | |
605e5515 MB |
268 | MUTEX_LOCK(&t->mutex); |
269 | switch (ThrSTATE(t)) { | |
270 | AV *av; | |
c7848ba1 MB |
271 | case THRf_ZOMBIE: |
272 | DEBUG_L(PerlIO_printf(PerlIO_stderr(), | |
273 | "perl_destruct: joining zombie %p\n", t)); | |
605e5515 MB |
274 | ThrSETSTATE(t, THRf_DEAD); |
275 | MUTEX_UNLOCK(&t->mutex); | |
276 | nthreads--; | |
8023c3ce MB |
277 | /* |
278 | * The SvREFCNT_dec below may take a long time (e.g. av | |
279 | * may contain an object scalar whose destructor gets | |
280 | * called) so we have to unlock threads_mutex and start | |
281 | * all over again. | |
282 | */ | |
605e5515 | 283 | MUTEX_UNLOCK(&threads_mutex); |
ea0efc06 | 284 | JOIN(t, &av); |
605e5515 | 285 | SvREFCNT_dec((SV*)av); |
c7848ba1 MB |
286 | DEBUG_L(PerlIO_printf(PerlIO_stderr(), |
287 | "perl_destruct: joined zombie %p OK\n", t)); | |
8023c3ce | 288 | goto retry_cleanup; |
c7848ba1 MB |
289 | case THRf_R_JOINABLE: |
290 | DEBUG_L(PerlIO_printf(PerlIO_stderr(), | |
291 | "perl_destruct: detaching thread %p\n", t)); | |
292 | ThrSETSTATE(t, THRf_R_DETACHED); | |
293 | /* | |
294 | * We unlock threads_mutex and t->mutex in the opposite order | |
295 | * from which we locked them just so that DETACH won't | |
296 | * deadlock if it panics. It's only a breach of good style | |
297 | * not a bug since they are unlocks not locks. | |
298 | */ | |
299 | MUTEX_UNLOCK(&threads_mutex); | |
300 | DETACH(t); | |
301 | MUTEX_UNLOCK(&t->mutex); | |
8023c3ce | 302 | goto retry_cleanup; |
c7848ba1 MB |
303 | default: |
304 | DEBUG_L(PerlIO_printf(PerlIO_stderr(), | |
305 | "perl_destruct: ignoring %p (state %u)\n", | |
306 | t, ThrSTATE(t))); | |
307 | MUTEX_UNLOCK(&t->mutex); | |
c7848ba1 | 308 | /* fall through and out */ |
33f46ff6 MB |
309 | } |
310 | } | |
8023c3ce MB |
311 | /* We leave the above "Pass 1" loop with threads_mutex still locked */ |
312 | ||
313 | /* Pass 2 on remaining threads: wait for the thread count to drop to one */ | |
11343788 MB |
314 | while (nthreads > 1) |
315 | { | |
33f46ff6 | 316 | DEBUG_L(PerlIO_printf(PerlIO_stderr(), |
c7848ba1 | 317 | "perl_destruct: final wait for %d threads\n", |
33f46ff6 MB |
318 | nthreads - 1)); |
319 | COND_WAIT(&nthreads_cond, &threads_mutex); | |
11343788 MB |
320 | } |
321 | /* At this point, we're the last thread */ | |
33f46ff6 | 322 | MUTEX_UNLOCK(&threads_mutex); |
d9f997d7 | 323 | DEBUG_L(PerlIO_printf(PerlIO_stderr(), "perl_destruct: armageddon has arrived\n")); |
33f46ff6 | 324 | MUTEX_DESTROY(&threads_mutex); |
11343788 | 325 | COND_DESTROY(&nthreads_cond); |
0f15f207 | 326 | #endif /* !defined(FAKE_THREADS) */ |
11343788 MB |
327 | #endif /* USE_THREADS */ |
328 | ||
748a9306 | 329 | destruct_level = perl_destruct_level; |
4633a7c4 LW |
330 | #ifdef DEBUGGING |
331 | { | |
332 | char *s; | |
76e3520e | 333 | if (s = PerlEnv_getenv("PERL_DESTRUCT_LEVEL")) { |
5f05dabc | 334 | int i = atoi(s); |
335 | if (destruct_level < i) | |
336 | destruct_level = i; | |
337 | } | |
4633a7c4 LW |
338 | } |
339 | #endif | |
340 | ||
8990e307 | 341 | LEAVE; |
a0d0e21e LW |
342 | FREETMPS; |
343 | ||
ff0cee69 | 344 | /* We must account for everything. */ |
345 | ||
346 | /* Destroy the main CV and syntax tree */ | |
6e72f9df | 347 | if (main_root) { |
348 | curpad = AvARRAY(comppad); | |
349 | op_free(main_root); | |
ff0cee69 | 350 | main_root = Nullop; |
a0d0e21e | 351 | } |
ff0cee69 | 352 | main_start = Nullop; |
353 | SvREFCNT_dec(main_cv); | |
354 | main_cv = Nullcv; | |
355 | ||
a0d0e21e LW |
356 | if (sv_objcount) { |
357 | /* | |
358 | * Try to destruct global references. We do this first so that the | |
359 | * destructors and destructees still exist. Some sv's might remain. | |
360 | * Non-referenced objects are on their own. | |
361 | */ | |
362 | ||
363 | dirty = TRUE; | |
364 | sv_clean_objs(); | |
8990e307 LW |
365 | } |
366 | ||
5cd24f17 | 367 | /* unhook hooks which will soon be, or use, destroyed data */ |
368 | SvREFCNT_dec(warnhook); | |
369 | warnhook = Nullsv; | |
370 | SvREFCNT_dec(diehook); | |
371 | diehook = Nullsv; | |
372 | SvREFCNT_dec(parsehook); | |
373 | parsehook = Nullsv; | |
374 | ||
a0d0e21e | 375 | if (destruct_level == 0){ |
8990e307 | 376 | |
a0d0e21e LW |
377 | DEBUG_P(debprofdump()); |
378 | ||
379 | /* The exit() function will do everything that needs doing. */ | |
380 | return; | |
381 | } | |
5dd60ef7 | 382 | |
5f05dabc | 383 | /* loosen bonds of global variables */ |
384 | ||
8ebc5c01 | 385 | if(rsfp) { |
386 | (void)PerlIO_close(rsfp); | |
387 | rsfp = Nullfp; | |
388 | } | |
389 | ||
390 | /* Filters for program text */ | |
391 | SvREFCNT_dec(rsfp_filters); | |
392 | rsfp_filters = Nullav; | |
393 | ||
394 | /* switches */ | |
395 | preprocess = FALSE; | |
396 | minus_n = FALSE; | |
397 | minus_p = FALSE; | |
398 | minus_l = FALSE; | |
399 | minus_a = FALSE; | |
400 | minus_F = FALSE; | |
401 | doswitches = FALSE; | |
402 | dowarn = FALSE; | |
403 | doextract = FALSE; | |
404 | sawampersand = FALSE; /* must save all match strings */ | |
405 | sawstudy = FALSE; /* do fbm_instr on all strings */ | |
406 | sawvec = FALSE; | |
407 | unsafe = FALSE; | |
408 | ||
409 | Safefree(inplace); | |
410 | inplace = Nullch; | |
411 | ||
412 | Safefree(e_tmpname); | |
413 | e_tmpname = Nullch; | |
414 | ||
415 | if (e_fp) { | |
416 | PerlIO_close(e_fp); | |
417 | e_fp = Nullfp; | |
418 | } | |
419 | ||
420 | /* magical thingies */ | |
421 | ||
422 | Safefree(ofs); /* $, */ | |
423 | ofs = Nullch; | |
5f05dabc | 424 | |
8ebc5c01 | 425 | Safefree(ors); /* $\ */ |
426 | ors = Nullch; | |
427 | ||
428 | SvREFCNT_dec(nrs); /* $\ helper */ | |
5f05dabc | 429 | nrs = Nullsv; |
430 | ||
8ebc5c01 | 431 | multiline = 0; /* $* */ |
5f05dabc | 432 | |
8ebc5c01 | 433 | SvREFCNT_dec(statname); |
5f05dabc | 434 | statname = Nullsv; |
435 | statgv = Nullgv; | |
5f05dabc | 436 | |
8ebc5c01 | 437 | /* defgv, aka *_ should be taken care of elsewhere */ |
438 | ||
8ebc5c01 | 439 | /* clean up after study() */ |
440 | SvREFCNT_dec(lastscream); | |
441 | lastscream = Nullsv; | |
442 | Safefree(screamfirst); | |
443 | screamfirst = 0; | |
444 | Safefree(screamnext); | |
445 | screamnext = 0; | |
446 | ||
447 | /* startup and shutdown function lists */ | |
448 | SvREFCNT_dec(beginav); | |
449 | SvREFCNT_dec(endav); | |
77a005ab | 450 | SvREFCNT_dec(initav); |
5618dfe8 | 451 | beginav = Nullav; |
5618dfe8 | 452 | endav = Nullav; |
77a005ab | 453 | initav = Nullav; |
5618dfe8 | 454 | |
8ebc5c01 | 455 | /* temp stack during pp_sort() */ |
456 | SvREFCNT_dec(sortstack); | |
457 | sortstack = Nullav; | |
458 | ||
459 | /* shortcuts just get cleared */ | |
460 | envgv = Nullgv; | |
461 | siggv = Nullgv; | |
462 | incgv = Nullgv; | |
12f917ad | 463 | errgv = Nullgv; |
8ebc5c01 | 464 | argvgv = Nullgv; |
465 | argvoutgv = Nullgv; | |
466 | stdingv = Nullgv; | |
467 | last_in_gv = Nullgv; | |
468 | ||
469 | /* reset so print() ends up where we expect */ | |
470 | setdefout(Nullgv); | |
471 | ||
a0d0e21e | 472 | /* Prepare to destruct main symbol table. */ |
5f05dabc | 473 | |
a0d0e21e | 474 | hv = defstash; |
85e6fe83 | 475 | defstash = 0; |
a0d0e21e LW |
476 | SvREFCNT_dec(hv); |
477 | ||
478 | FREETMPS; | |
479 | if (destruct_level >= 2) { | |
480 | if (scopestack_ix != 0) | |
ff0cee69 | 481 | warn("Unbalanced scopes: %ld more ENTERs than LEAVEs\n", |
482 | (long)scopestack_ix); | |
a0d0e21e | 483 | if (savestack_ix != 0) |
ff0cee69 | 484 | warn("Unbalanced saves: %ld more saves than restores\n", |
485 | (long)savestack_ix); | |
a0d0e21e | 486 | if (tmps_floor != -1) |
ff0cee69 | 487 | warn("Unbalanced tmps: %ld more allocs than frees\n", |
488 | (long)tmps_floor + 1); | |
a0d0e21e | 489 | if (cxstack_ix != -1) |
ff0cee69 | 490 | warn("Unbalanced context: %ld more PUSHes than POPs\n", |
491 | (long)cxstack_ix + 1); | |
a0d0e21e | 492 | } |
8990e307 LW |
493 | |
494 | /* Now absolutely destruct everything, somehow or other, loops or no. */ | |
8990e307 | 495 | last_sv_count = 0; |
6e72f9df | 496 | SvFLAGS(strtab) |= SVTYPEMASK; /* don't clean out strtab now */ |
8990e307 LW |
497 | while (sv_count != 0 && sv_count != last_sv_count) { |
498 | last_sv_count = sv_count; | |
499 | sv_clean_all(); | |
500 | } | |
6e72f9df | 501 | SvFLAGS(strtab) &= ~SVTYPEMASK; |
502 | SvFLAGS(strtab) |= SVt_PVHV; | |
503 | ||
504 | /* Destruct the global string table. */ | |
505 | { | |
506 | /* Yell and reset the HeVAL() slots that are still holding refcounts, | |
507 | * so that sv_free() won't fail on them. | |
508 | */ | |
509 | I32 riter; | |
510 | I32 max; | |
511 | HE *hent; | |
512 | HE **array; | |
513 | ||
514 | riter = 0; | |
515 | max = HvMAX(strtab); | |
516 | array = HvARRAY(strtab); | |
517 | hent = array[0]; | |
518 | for (;;) { | |
519 | if (hent) { | |
520 | warn("Unbalanced string table refcount: (%d) for \"%s\"", | |
521 | HeVAL(hent) - Nullsv, HeKEY(hent)); | |
522 | HeVAL(hent) = Nullsv; | |
523 | hent = HeNEXT(hent); | |
524 | } | |
525 | if (!hent) { | |
526 | if (++riter > max) | |
527 | break; | |
528 | hent = array[riter]; | |
529 | } | |
530 | } | |
531 | } | |
532 | SvREFCNT_dec(strtab); | |
533 | ||
8990e307 | 534 | if (sv_count != 0) |
ff0cee69 | 535 | warn("Scalars leaked: %ld\n", (long)sv_count); |
6e72f9df | 536 | |
4633a7c4 | 537 | sv_free_arenas(); |
44a8e56a | 538 | |
539 | /* No SVs have survived, need to clean out */ | |
540 | linestr = NULL; | |
541 | pidstatus = Nullhv; | |
6e72f9df | 542 | if (origfilename) |
543 | Safefree(origfilename); | |
544 | nuke_stacks(); | |
fc36a67e | 545 | hints = 0; /* Reset hints. Should hints be per-interpreter ? */ |
a0d0e21e LW |
546 | |
547 | DEBUG_P(debprofdump()); | |
11343788 MB |
548 | #ifdef USE_THREADS |
549 | MUTEX_DESTROY(&sv_mutex); | |
11343788 | 550 | MUTEX_DESTROY(&eval_mutex); |
c116a00c | 551 | COND_DESTROY(&eval_cond); |
fc36a67e | 552 | |
8023c3ce MB |
553 | /* As the penultimate thing, free the non-arena SV for thrsv */ |
554 | Safefree(SvPVX(thrsv)); | |
555 | Safefree(SvANY(thrsv)); | |
556 | Safefree(thrsv); | |
557 | thrsv = Nullsv; | |
558 | #endif /* USE_THREADS */ | |
559 | ||
fc36a67e | 560 | /* As the absolutely last thing, free the non-arena SV for mess() */ |
561 | ||
562 | if (mess_sv) { | |
563 | /* we know that type >= SVt_PV */ | |
564 | SvOOK_off(mess_sv); | |
565 | Safefree(SvPVX(mess_sv)); | |
566 | Safefree(SvANY(mess_sv)); | |
567 | Safefree(mess_sv); | |
568 | mess_sv = Nullsv; | |
569 | } | |
79072805 LW |
570 | } |
571 | ||
572 | void | |
76e3520e GS |
573 | #ifdef PERL_OBJECT |
574 | CPerlObj::perl_free(void) | |
575 | #else | |
8ac85365 | 576 | perl_free(PerlInterpreter *sv_interp) |
76e3520e | 577 | #endif |
79072805 | 578 | { |
76e3520e | 579 | #ifdef PERL_OBJECT |
565764a8 | 580 | Safefree(this); |
76e3520e | 581 | #else |
79072805 LW |
582 | if (!(curinterp = sv_interp)) |
583 | return; | |
584 | Safefree(sv_interp); | |
76e3520e | 585 | #endif |
79072805 LW |
586 | } |
587 | ||
588 | int | |
76e3520e GS |
589 | #ifdef PERL_OBJECT |
590 | CPerlObj::perl_parse(void (*xsinit) (CPerlObj*), int argc, char **argv, char **env) | |
591 | #else | |
8ac85365 | 592 | perl_parse(PerlInterpreter *sv_interp, void (*xsinit) (void), int argc, char **argv, char **env) |
76e3520e | 593 | #endif |
8d063cd8 | 594 | { |
11343788 | 595 | dTHR; |
79072805 | 596 | register SV *sv; |
8d063cd8 | 597 | register char *s; |
1a30305b | 598 | char *scriptname = NULL; |
a0d0e21e | 599 | VOL bool dosearch = FALSE; |
13281fa4 | 600 | char *validarg = ""; |
2ae324a7 | 601 | I32 oldscope; |
748a9306 | 602 | AV* comppadlist; |
54310121 | 603 | dJMPENV; |
22921e25 | 604 | int ret; |
01f988be | 605 | int fdscript = -1; |
8d063cd8 | 606 | |
a687059c LW |
607 | #ifdef SETUID_SCRIPTS_ARE_SECURE_NOW |
608 | #ifdef IAMSUID | |
609 | #undef IAMSUID | |
463ee0b2 | 610 | croak("suidperl is no longer needed since the kernel can now execute\n\ |
a687059c LW |
611 | setuid perl scripts securely.\n"); |
612 | #endif | |
613 | #endif | |
614 | ||
76e3520e | 615 | #ifndef PERL_OBJECT |
79072805 LW |
616 | if (!(curinterp = sv_interp)) |
617 | return 255; | |
76e3520e | 618 | #endif |
79072805 | 619 | |
6e72f9df | 620 | #if defined(NeXT) && defined(__DYNAMIC__) |
621 | _dyld_lookup_and_bind | |
622 | ("__environ", (unsigned long *) &environ_pointer, NULL); | |
623 | #endif /* environ */ | |
624 | ||
ac58e20f LW |
625 | origargv = argv; |
626 | origargc = argc; | |
a0d0e21e | 627 | #ifndef VMS /* VMS doesn't have environ array */ |
fe14fcc3 | 628 | origenviron = environ; |
a0d0e21e | 629 | #endif |
ab821d7f | 630 | e_tmpname = Nullch; |
a0d0e21e LW |
631 | |
632 | if (do_undump) { | |
633 | ||
634 | /* Come here if running an undumped a.out. */ | |
635 | ||
636 | origfilename = savepv(argv[0]); | |
637 | do_undump = FALSE; | |
638 | cxstack_ix = -1; /* start label stack again */ | |
748a9306 | 639 | init_ids(); |
a0d0e21e LW |
640 | init_postdump_symbols(argc,argv,env); |
641 | return 0; | |
642 | } | |
643 | ||
ff0cee69 | 644 | if (main_root) { |
645 | curpad = AvARRAY(comppad); | |
a0d0e21e | 646 | op_free(main_root); |
ff0cee69 | 647 | main_root = Nullop; |
648 | } | |
649 | main_start = Nullop; | |
650 | SvREFCNT_dec(main_cv); | |
651 | main_cv = Nullcv; | |
79072805 | 652 | |
f86702cc | 653 | time(&basetime); |
2ae324a7 | 654 | oldscope = scopestack_ix; |
f86702cc | 655 | |
22921e25 CS |
656 | JMPENV_PUSH(ret); |
657 | switch (ret) { | |
79072805 | 658 | case 1: |
f86702cc | 659 | STATUS_ALL_FAILURE; |
660 | /* FALL THROUGH */ | |
79072805 | 661 | case 2: |
f86702cc | 662 | /* my_exit() was called */ |
2ae324a7 | 663 | while (scopestack_ix > oldscope) |
664 | LEAVE; | |
84902520 | 665 | FREETMPS; |
8990e307 LW |
666 | curstash = defstash; |
667 | if (endav) | |
68dc0745 | 668 | call_list(oldscope, endav); |
54310121 | 669 | JMPENV_POP; |
f86702cc | 670 | return STATUS_NATIVE_EXPORT; |
79072805 | 671 | case 3: |
54310121 | 672 | JMPENV_POP; |
760ac839 | 673 | PerlIO_printf(PerlIO_stderr(), "panic: top_env\n"); |
8990e307 | 674 | return 1; |
79072805 LW |
675 | } |
676 | ||
79072805 LW |
677 | sv_setpvn(linestr,"",0); |
678 | sv = newSVpv("",0); /* first used for -I flags */ | |
8990e307 | 679 | SAVEFREESV(sv); |
79072805 | 680 | init_main_stash(); |
54310121 | 681 | |
33b78306 | 682 | for (argc--,argv++; argc > 0; argc--,argv++) { |
8d063cd8 LW |
683 | if (argv[0][0] != '-' || !argv[0][1]) |
684 | break; | |
13281fa4 LW |
685 | #ifdef DOSUID |
686 | if (*validarg) | |
687 | validarg = " PHOOEY "; | |
688 | else | |
689 | validarg = argv[0]; | |
690 | #endif | |
691 | s = argv[0]+1; | |
8d063cd8 | 692 | reswitch: |
13281fa4 | 693 | switch (*s) { |
27e2fb84 | 694 | case '0': |
2304df62 | 695 | case 'F': |
378cc40b | 696 | case 'a': |
33b78306 | 697 | case 'c': |
a687059c | 698 | case 'd': |
8d063cd8 | 699 | case 'D': |
4633a7c4 | 700 | case 'h': |
33b78306 | 701 | case 'i': |
fe14fcc3 | 702 | case 'l': |
1a30305b | 703 | case 'M': |
704 | case 'm': | |
33b78306 LW |
705 | case 'n': |
706 | case 'p': | |
79072805 | 707 | case 's': |
33b78306 LW |
708 | case 'u': |
709 | case 'U': | |
710 | case 'v': | |
711 | case 'w': | |
712 | if (s = moreswitches(s)) | |
713 | goto reswitch; | |
8d063cd8 | 714 | break; |
33b78306 | 715 | |
f86702cc | 716 | case 'T': |
717 | tainting = TRUE; | |
718 | s++; | |
719 | goto reswitch; | |
720 | ||
8d063cd8 | 721 | case 'e': |
a687059c | 722 | if (euid != uid || egid != gid) |
463ee0b2 | 723 | croak("No -e allowed in setuid scripts"); |
8d063cd8 | 724 | if (!e_fp) { |
a0d0e21e | 725 | e_tmpname = savepv(TMPPATH); |
6ad3d225 | 726 | (void)PerlLIO_mktemp(e_tmpname); |
83025b21 | 727 | if (!*e_tmpname) |
463ee0b2 | 728 | croak("Can't mktemp()"); |
760ac839 | 729 | e_fp = PerlIO_open(e_tmpname,"w"); |
33b78306 | 730 | if (!e_fp) |
463ee0b2 | 731 | croak("Cannot open temporary file"); |
8d063cd8 | 732 | } |
552a7a9b | 733 | if (*++s) |
734 | PerlIO_puts(e_fp,s); | |
735 | else if (argv[1]) { | |
760ac839 | 736 | PerlIO_puts(e_fp,argv[1]); |
33b78306 LW |
737 | argc--,argv++; |
738 | } | |
552a7a9b | 739 | else |
740 | croak("No code specified for -e"); | |
760ac839 | 741 | (void)PerlIO_putc(e_fp,'\n'); |
8d063cd8 | 742 | break; |
fb73857a | 743 | case 'I': /* -I handled both here and in moreswitches() */ |
bbce6d69 | 744 | forbid_setid("-I"); |
fb73857a | 745 | if (!*++s && (s=argv[1]) != Nullch) { |
8d063cd8 | 746 | argc--,argv++; |
8d063cd8 | 747 | } |
fb73857a | 748 | while (s && isSPACE(*s)) |
749 | ++s; | |
750 | if (s && *s) { | |
751 | char *e, *p; | |
752 | for (e = s; *e && !isSPACE(*e); e++) ; | |
753 | p = savepvn(s, e-s); | |
754 | incpush(p, TRUE); | |
755 | sv_catpv(sv,"-I"); | |
756 | sv_catpv(sv,p); | |
757 | sv_catpv(sv," "); | |
758 | Safefree(p); | |
759 | } /* XXX else croak? */ | |
8d063cd8 | 760 | break; |
8d063cd8 | 761 | case 'P': |
bbce6d69 | 762 | forbid_setid("-P"); |
8d063cd8 | 763 | preprocess = TRUE; |
13281fa4 | 764 | s++; |
8d063cd8 | 765 | goto reswitch; |
378cc40b | 766 | case 'S': |
bbce6d69 | 767 | forbid_setid("-S"); |
378cc40b | 768 | dosearch = TRUE; |
13281fa4 | 769 | s++; |
378cc40b | 770 | goto reswitch; |
1a30305b | 771 | case 'V': |
772 | if (!preambleav) | |
773 | preambleav = newAV(); | |
774 | av_push(preambleav, newSVpv("use Config qw(myconfig config_vars)",0)); | |
775 | if (*++s != ':') { | |
6e72f9df | 776 | Sv = newSVpv("print myconfig();",0); |
777 | #ifdef VMS | |
778 | sv_catpv(Sv,"print \"\\nCharacteristics of this PERLSHR image: \\n\","); | |
779 | #else | |
780 | sv_catpv(Sv,"print \"\\nCharacteristics of this binary (from libperl): \\n\","); | |
781 | #endif | |
54310121 | 782 | #if defined(DEBUGGING) || defined(NO_EMBED) || defined(MULTIPLICITY) |
46fc3d4c | 783 | sv_catpv(Sv,"\" Compile-time options:"); |
6e72f9df | 784 | # ifdef DEBUGGING |
46fc3d4c | 785 | sv_catpv(Sv," DEBUGGING"); |
6e72f9df | 786 | # endif |
54310121 | 787 | # ifdef NO_EMBED |
46fc3d4c | 788 | sv_catpv(Sv," NO_EMBED"); |
6e72f9df | 789 | # endif |
790 | # ifdef MULTIPLICITY | |
46fc3d4c | 791 | sv_catpv(Sv," MULTIPLICITY"); |
6e72f9df | 792 | # endif |
46fc3d4c | 793 | sv_catpv(Sv,"\\n\","); |
6e72f9df | 794 | #endif |
795 | #if defined(LOCAL_PATCH_COUNT) | |
54310121 | 796 | if (LOCAL_PATCH_COUNT > 0) { |
797 | int i; | |
5cd24f17 | 798 | sv_catpv(Sv,"\" Locally applied patches:\\n\","); |
6e72f9df | 799 | for (i = 1; i <= LOCAL_PATCH_COUNT; i++) { |
46fc3d4c | 800 | if (localpatches[i]) |
801 | sv_catpvf(Sv,"\" \\t%s\\n\",",localpatches[i]); | |
6e72f9df | 802 | } |
803 | } | |
804 | #endif | |
46fc3d4c | 805 | sv_catpvf(Sv,"\" Built under %s\\n\"",OSNAME); |
6e72f9df | 806 | #ifdef __DATE__ |
807 | # ifdef __TIME__ | |
46fc3d4c | 808 | sv_catpvf(Sv,",\" Compiled at %s %s\\n\"",__DATE__,__TIME__); |
6e72f9df | 809 | # else |
46fc3d4c | 810 | sv_catpvf(Sv,",\" Compiled on %s\\n\"",__DATE__); |
6e72f9df | 811 | # endif |
6e72f9df | 812 | #endif |
54310121 | 813 | sv_catpv(Sv, "; \ |
814 | $\"=\"\\n \"; \ | |
815 | @env = map { \"$_=\\\"$ENV{$_}\\\"\" } sort grep {/^PERL/} keys %ENV; \ | |
816 | print \" \\%ENV:\\n @env\\n\" if @env; \ | |
817 | print \" \\@INC:\\n @INC\\n\";"); | |
1a30305b | 818 | } |
819 | else { | |
820 | Sv = newSVpv("config_vars(qw(",0); | |
821 | sv_catpv(Sv, ++s); | |
822 | sv_catpv(Sv, "))"); | |
823 | s += strlen(s); | |
824 | } | |
825 | av_push(preambleav, Sv); | |
c07a80fd | 826 | scriptname = BIT_BUCKET; /* don't look for script or read stdin */ |
1a30305b | 827 | goto reswitch; |
33b78306 LW |
828 | case 'x': |
829 | doextract = TRUE; | |
13281fa4 | 830 | s++; |
33b78306 | 831 | if (*s) |
a0d0e21e | 832 | cddir = savepv(s); |
33b78306 | 833 | break; |
8d063cd8 LW |
834 | case 0: |
835 | break; | |
fb73857a | 836 | case '-': |
837 | if (!*++s || isSPACE(*s)) { | |
838 | argc--,argv++; | |
839 | goto switch_end; | |
840 | } | |
841 | /* catch use of gnu style long options */ | |
842 | if (strEQ(s, "version")) { | |
843 | s = "v"; | |
844 | goto reswitch; | |
845 | } | |
846 | if (strEQ(s, "help")) { | |
847 | s = "h"; | |
848 | goto reswitch; | |
849 | } | |
850 | s--; | |
851 | /* FALL THROUGH */ | |
8d063cd8 | 852 | default: |
90248788 | 853 | croak("Unrecognized switch: -%s (-h will show valid options)",s); |
8d063cd8 LW |
854 | } |
855 | } | |
856 | switch_end: | |
54310121 | 857 | |
76e3520e | 858 | if (!tainting && (s = PerlEnv_getenv("PERL5OPT"))) { |
fb73857a | 859 | while (s && *s) { |
54310121 | 860 | while (isSPACE(*s)) |
861 | s++; | |
862 | if (*s == '-') { | |
863 | s++; | |
864 | if (isSPACE(*s)) | |
865 | continue; | |
866 | } | |
867 | if (!*s) | |
868 | break; | |
869 | if (!strchr("DIMUdmw", *s)) | |
870 | croak("Illegal switch in PERL5OPT: -%c", *s); | |
871 | s = moreswitches(s); | |
872 | } | |
873 | } | |
874 | ||
1a30305b | 875 | if (!scriptname) |
876 | scriptname = argv[0]; | |
8d063cd8 | 877 | if (e_fp) { |
68dc0745 | 878 | if (PerlIO_flush(e_fp) || PerlIO_error(e_fp) || PerlIO_close(e_fp)) { |
879 | #ifndef MULTIPLICITY | |
880 | warn("Did you forget to compile with -DMULTIPLICITY?"); | |
881 | #endif | |
2304df62 | 882 | croak("Can't write to temp file for -e: %s", Strerror(errno)); |
68dc0745 | 883 | } |
ab821d7f | 884 | e_fp = Nullfp; |
8d063cd8 | 885 | argc++,argv--; |
45d8adaa | 886 | scriptname = e_tmpname; |
8d063cd8 | 887 | } |
79072805 LW |
888 | else if (scriptname == Nullch) { |
889 | #ifdef MSDOS | |
6ad3d225 | 890 | if ( PerlLIO_isatty(PerlIO_fileno(PerlIO_stdin())) ) |
55497cff | 891 | moreswitches("h"); |
fe14fcc3 | 892 | #endif |
79072805 LW |
893 | scriptname = "-"; |
894 | } | |
fe14fcc3 | 895 | |
79072805 | 896 | init_perllib(); |
8d063cd8 | 897 | |
01f988be | 898 | open_script(scriptname,dosearch,sv,&fdscript); |
8d063cd8 | 899 | |
01f988be | 900 | validate_suid(validarg, scriptname,fdscript); |
378cc40b | 901 | |
79072805 LW |
902 | if (doextract) |
903 | find_beginning(); | |
904 | ||
4fdae800 | 905 | main_cv = compcv = (CV*)NEWSV(1104,0); |
748a9306 | 906 | sv_upgrade((SV *)compcv, SVt_PVCV); |
07055b4c | 907 | CvUNIQUE_on(compcv); |
748a9306 | 908 | |
6e72f9df | 909 | comppad = newAV(); |
79072805 LW |
910 | av_push(comppad, Nullsv); |
911 | curpad = AvARRAY(comppad); | |
6e72f9df | 912 | comppad_name = newAV(); |
8990e307 | 913 | comppad_name_fill = 0; |
e858de61 MB |
914 | min_intro_pending = 0; |
915 | padix = 0; | |
11343788 MB |
916 | #ifdef USE_THREADS |
917 | av_store(comppad_name, 0, newSVpv("@_", 2)); | |
e858de61 | 918 | curpad[0] = (SV*)newAV(); |
6d4ff0d2 | 919 | SvPADMY_on(curpad[0]); /* XXX Needed? */ |
e858de61 | 920 | CvOWNER(compcv) = 0; |
12ca11f6 | 921 | New(666, CvMUTEXP(compcv), 1, perl_mutex); |
e858de61 | 922 | MUTEX_INIT(CvMUTEXP(compcv)); |
11343788 | 923 | #endif /* USE_THREADS */ |
79072805 | 924 | |
748a9306 LW |
925 | comppadlist = newAV(); |
926 | AvREAL_off(comppadlist); | |
8e07c86e AD |
927 | av_store(comppadlist, 0, (SV*)comppad_name); |
928 | av_store(comppadlist, 1, (SV*)comppad); | |
748a9306 LW |
929 | CvPADLIST(compcv) = comppadlist; |
930 | ||
6e72f9df | 931 | boot_core_UNIVERSAL(); |
c69f6586 | 932 | |
a0d0e21e | 933 | if (xsinit) |
76e3520e | 934 | (*xsinit)(THIS); /* in case linked C routines want magical variables */ |
39e571d4 | 935 | #if defined(VMS) || defined(WIN32) || defined(DJGPP) |
748a9306 LW |
936 | init_os_extras(); |
937 | #endif | |
93a17b20 | 938 | |
93a17b20 | 939 | init_predump_symbols(); |
8990e307 LW |
940 | if (!do_undump) |
941 | init_postdump_symbols(argc,argv,env); | |
93a17b20 | 942 | |
79072805 LW |
943 | init_lexer(); |
944 | ||
945 | /* now parse the script */ | |
946 | ||
61bb5906 | 947 | SETERRNO(0,SS$_NORMAL); |
79072805 LW |
948 | error_count = 0; |
949 | if (yyparse() || error_count) { | |
950 | if (minus_c) | |
463ee0b2 | 951 | croak("%s had compilation errors.\n", origfilename); |
79072805 | 952 | else { |
463ee0b2 | 953 | croak("Execution of %s aborted due to compilation errors.\n", |
79072805 | 954 | origfilename); |
378cc40b | 955 | } |
79072805 LW |
956 | } |
957 | curcop->cop_line = 0; | |
958 | curstash = defstash; | |
959 | preprocess = FALSE; | |
ab821d7f | 960 | if (e_tmpname) { |
79072805 | 961 | (void)UNLINK(e_tmpname); |
ab821d7f | 962 | Safefree(e_tmpname); |
963 | e_tmpname = Nullch; | |
378cc40b | 964 | } |
a687059c | 965 | |
93a17b20 | 966 | /* now that script is parsed, we can modify record separator */ |
c07a80fd | 967 | SvREFCNT_dec(rs); |
968 | rs = SvREFCNT_inc(nrs); | |
e1c148c2 | 969 | sv_setsv(perl_get_sv("/", TRUE), rs); |
79072805 LW |
970 | if (do_undump) |
971 | my_unexec(); | |
972 | ||
8990e307 LW |
973 | if (dowarn) |
974 | gv_check(defstash); | |
975 | ||
a0d0e21e LW |
976 | LEAVE; |
977 | FREETMPS; | |
c07a80fd | 978 | |
3562ef9b | 979 | #ifdef MYMALLOC |
76e3520e | 980 | if ((s=PerlEnv_getenv("PERL_DEBUG_MSTATS")) && atoi(s) >= 2) |
c07a80fd | 981 | dump_mstats("after compilation:"); |
982 | #endif | |
983 | ||
a0d0e21e LW |
984 | ENTER; |
985 | restartop = 0; | |
54310121 | 986 | JMPENV_POP; |
79072805 LW |
987 | return 0; |
988 | } | |
989 | ||
990 | int | |
76e3520e GS |
991 | #ifdef PERL_OBJECT |
992 | CPerlObj::perl_run(void) | |
993 | #else | |
8ac85365 | 994 | perl_run(PerlInterpreter *sv_interp) |
76e3520e | 995 | #endif |
79072805 | 996 | { |
11343788 | 997 | dTHR; |
2ae324a7 | 998 | I32 oldscope; |
22921e25 CS |
999 | dJMPENV; |
1000 | int ret; | |
2ae324a7 | 1001 | |
76e3520e | 1002 | #ifndef PERL_OBJECT |
79072805 LW |
1003 | if (!(curinterp = sv_interp)) |
1004 | return 255; | |
76e3520e | 1005 | #endif |
2ae324a7 | 1006 | |
1007 | oldscope = scopestack_ix; | |
1008 | ||
22921e25 CS |
1009 | JMPENV_PUSH(ret); |
1010 | switch (ret) { | |
79072805 LW |
1011 | case 1: |
1012 | cxstack_ix = -1; /* start context stack again */ | |
1013 | break; | |
1014 | case 2: | |
f86702cc | 1015 | /* my_exit() was called */ |
2ae324a7 | 1016 | while (scopestack_ix > oldscope) |
1017 | LEAVE; | |
84902520 | 1018 | FREETMPS; |
79072805 | 1019 | curstash = defstash; |
93a17b20 | 1020 | if (endav) |
68dc0745 | 1021 | call_list(oldscope, endav); |
3562ef9b | 1022 | #ifdef MYMALLOC |
76e3520e | 1023 | if (PerlEnv_getenv("PERL_DEBUG_MSTATS")) |
c07a80fd | 1024 | dump_mstats("after execution: "); |
1025 | #endif | |
54310121 | 1026 | JMPENV_POP; |
f86702cc | 1027 | return STATUS_NATIVE_EXPORT; |
79072805 LW |
1028 | case 3: |
1029 | if (!restartop) { | |
760ac839 | 1030 | PerlIO_printf(PerlIO_stderr(), "panic: restartop\n"); |
a0d0e21e | 1031 | FREETMPS; |
54310121 | 1032 | JMPENV_POP; |
8990e307 | 1033 | return 1; |
83025b21 | 1034 | } |
6e72f9df | 1035 | if (curstack != mainstack) { |
79072805 | 1036 | dSP; |
6e72f9df | 1037 | SWITCHSTACK(curstack, mainstack); |
79072805 LW |
1038 | } |
1039 | break; | |
8d063cd8 | 1040 | } |
79072805 | 1041 | |
fb73857a | 1042 | DEBUG_r(PerlIO_printf(Perl_debug_log, "%s $` $& $' support.\n", |
6e72f9df | 1043 | sawampersand ? "Enabling" : "Omitting")); |
1044 | ||
79072805 LW |
1045 | if (!restartop) { |
1046 | DEBUG_x(dump_all()); | |
760ac839 | 1047 | DEBUG(PerlIO_printf(Perl_debug_log, "\nEXECUTING...\n\n")); |
11343788 | 1048 | #ifdef USE_THREADS |
5dc0d613 MB |
1049 | DEBUG_L(PerlIO_printf(Perl_debug_log, "main thread is 0x%lx\n", |
1050 | (unsigned long) thr)); | |
11343788 | 1051 | #endif /* USE_THREADS */ |
79072805 LW |
1052 | |
1053 | if (minus_c) { | |
760ac839 | 1054 | PerlIO_printf(PerlIO_stderr(), "%s syntax OK\n", origfilename); |
79072805 LW |
1055 | my_exit(0); |
1056 | } | |
84902520 | 1057 | if (PERLDB_SINGLE && DBsingle) |
a0d0e21e | 1058 | sv_setiv(DBsingle, 1); |
7d07dbc2 MB |
1059 | if (initav) |
1060 | call_list(oldscope, initav); | |
45d8adaa | 1061 | } |
79072805 LW |
1062 | |
1063 | /* do it */ | |
1064 | ||
1065 | if (restartop) { | |
1066 | op = restartop; | |
1067 | restartop = 0; | |
76e3520e | 1068 | CALLRUNOPS(); |
79072805 LW |
1069 | } |
1070 | else if (main_start) { | |
4fdae800 | 1071 | CvDEPTH(main_cv) = 1; |
79072805 | 1072 | op = main_start; |
76e3520e | 1073 | CALLRUNOPS(); |
79072805 | 1074 | } |
79072805 LW |
1075 | |
1076 | my_exit(0); | |
54310121 | 1077 | /* NOTREACHED */ |
a0d0e21e | 1078 | return 0; |
79072805 LW |
1079 | } |
1080 | ||
a0d0e21e | 1081 | SV* |
8ac85365 | 1082 | perl_get_sv(char *name, I32 create) |
a0d0e21e | 1083 | { |
2faa37cc | 1084 | GV *gv; |
38a03e6e | 1085 | #ifdef USE_THREADS |
2faa37cc | 1086 | if (name[1] == '\0' && !isALPHA(name[0])) { |
54b9620d | 1087 | PADOFFSET tmp = find_threadsv(name); |
2faa37cc MB |
1088 | if (tmp != NOT_IN_PAD) { |
1089 | dTHR; | |
940cb80d | 1090 | return THREADSV(tmp); |
2faa37cc | 1091 | } |
38a03e6e MB |
1092 | } |
1093 | #endif /* USE_THREADS */ | |
2faa37cc | 1094 | gv = gv_fetchpv(name, create, SVt_PV); |
a0d0e21e LW |
1095 | if (gv) |
1096 | return GvSV(gv); | |
1097 | return Nullsv; | |
1098 | } | |
1099 | ||
1100 | AV* | |
8ac85365 | 1101 | perl_get_av(char *name, I32 create) |
a0d0e21e LW |
1102 | { |
1103 | GV* gv = gv_fetchpv(name, create, SVt_PVAV); | |
1104 | if (create) | |
1105 | return GvAVn(gv); | |
1106 | if (gv) | |
1107 | return GvAV(gv); | |
1108 | return Nullav; | |
1109 | } | |
1110 | ||
1111 | HV* | |
8ac85365 | 1112 | perl_get_hv(char *name, I32 create) |
a0d0e21e LW |
1113 | { |
1114 | GV* gv = gv_fetchpv(name, create, SVt_PVHV); | |
1115 | if (create) | |
1116 | return GvHVn(gv); | |
1117 | if (gv) | |
1118 | return GvHV(gv); | |
1119 | return Nullhv; | |
1120 | } | |
1121 | ||
1122 | CV* | |
8ac85365 | 1123 | perl_get_cv(char *name, I32 create) |
a0d0e21e LW |
1124 | { |
1125 | GV* gv = gv_fetchpv(name, create, SVt_PVCV); | |
8ebc5c01 | 1126 | if (create && !GvCVu(gv)) |
774d564b | 1127 | return newSUB(start_subparse(FALSE, 0), |
a0d0e21e | 1128 | newSVOP(OP_CONST, 0, newSVpv(name,0)), |
4633a7c4 | 1129 | Nullop, |
a0d0e21e LW |
1130 | Nullop); |
1131 | if (gv) | |
8ebc5c01 | 1132 | return GvCVu(gv); |
a0d0e21e LW |
1133 | return Nullcv; |
1134 | } | |
1135 | ||
79072805 LW |
1136 | /* Be sure to refetch the stack pointer after calling these routines. */ |
1137 | ||
a0d0e21e | 1138 | I32 |
22239a37 | 1139 | perl_call_argv(char *sub_name, I32 flags, register char **argv) |
8ac85365 NIS |
1140 | |
1141 | /* See G_* flags in cop.h */ | |
1142 | /* null terminated arg list */ | |
8990e307 | 1143 | { |
a0d0e21e | 1144 | dSP; |
8990e307 | 1145 | |
924508f0 | 1146 | PUSHMARK(SP); |
a0d0e21e | 1147 | if (argv) { |
8990e307 | 1148 | while (*argv) { |
a0d0e21e | 1149 | XPUSHs(sv_2mortal(newSVpv(*argv,0))); |
8990e307 LW |
1150 | argv++; |
1151 | } | |
a0d0e21e | 1152 | PUTBACK; |
8990e307 | 1153 | } |
22239a37 | 1154 | return perl_call_pv(sub_name, flags); |
8990e307 LW |
1155 | } |
1156 | ||
a0d0e21e | 1157 | I32 |
22239a37 | 1158 | perl_call_pv(char *sub_name, I32 flags) |
8ac85365 NIS |
1159 | /* name of the subroutine */ |
1160 | /* See G_* flags in cop.h */ | |
a0d0e21e | 1161 | { |
22239a37 | 1162 | return perl_call_sv((SV*)perl_get_cv(sub_name, TRUE), flags); |
a0d0e21e LW |
1163 | } |
1164 | ||
1165 | I32 | |
8ac85365 NIS |
1166 | perl_call_method(char *methname, I32 flags) |
1167 | /* name of the subroutine */ | |
1168 | /* See G_* flags in cop.h */ | |
a0d0e21e LW |
1169 | { |
1170 | dSP; | |
1171 | OP myop; | |
1172 | if (!op) | |
1173 | op = &myop; | |
1174 | XPUSHs(sv_2mortal(newSVpv(methname,0))); | |
1175 | PUTBACK; | |
11343788 | 1176 | pp_method(ARGS); |
a0d0e21e LW |
1177 | return perl_call_sv(*stack_sp--, flags); |
1178 | } | |
1179 | ||
1180 | /* May be called with any of a CV, a GV, or an SV containing the name. */ | |
1181 | I32 | |
8ac85365 NIS |
1182 | perl_call_sv(SV *sv, I32 flags) |
1183 | ||
1184 | /* See G_* flags in cop.h */ | |
a0d0e21e | 1185 | { |
924508f0 | 1186 | dSP; |
a0d0e21e | 1187 | LOGOP myop; /* fake syntax tree node */ |
aa689395 | 1188 | I32 oldmark; |
a0d0e21e | 1189 | I32 retval; |
a0d0e21e | 1190 | I32 oldscope; |
54310121 | 1191 | bool oldcatch = CATCH_GET; |
1192 | dJMPENV; | |
22921e25 | 1193 | int ret; |
d6602a8c | 1194 | OP* oldop = op; |
1e422769 | 1195 | |
a0d0e21e LW |
1196 | if (flags & G_DISCARD) { |
1197 | ENTER; | |
1198 | SAVETMPS; | |
1199 | } | |
1200 | ||
aa689395 | 1201 | Zero(&myop, 1, LOGOP); |
54310121 | 1202 | myop.op_next = Nullop; |
f51d4af5 | 1203 | if (!(flags & G_NOARGS)) |
aa689395 | 1204 | myop.op_flags |= OPf_STACKED; |
54310121 | 1205 | myop.op_flags |= ((flags & G_VOID) ? OPf_WANT_VOID : |
1206 | (flags & G_ARRAY) ? OPf_WANT_LIST : | |
1207 | OPf_WANT_SCALAR); | |
462e5cf6 | 1208 | SAVEOP(); |
a0d0e21e | 1209 | op = (OP*)&myop; |
aa689395 | 1210 | |
a0d0e21e LW |
1211 | EXTEND(stack_sp, 1); |
1212 | *++stack_sp = sv; | |
aa689395 | 1213 | oldmark = TOPMARK; |
a0d0e21e LW |
1214 | oldscope = scopestack_ix; |
1215 | ||
84902520 | 1216 | if (PERLDB_SUB && curstash != debstash |
36477c24 | 1217 | /* Handle first BEGIN of -d. */ |
1218 | && (DBcv || (DBcv = GvCV(DBsub))) | |
1219 | /* Try harder, since this may have been a sighandler, thus | |
1220 | * curstash may be meaningless. */ | |
1221 | && (SvTYPE(sv) != SVt_PVCV || CvSTASH((CV*)sv) != debstash)) | |
6e72f9df | 1222 | op->op_private |= OPpENTERSUB_DB; |
a0d0e21e LW |
1223 | |
1224 | if (flags & G_EVAL) { | |
a0d0e21e LW |
1225 | cLOGOP->op_other = op; |
1226 | markstack_ptr--; | |
4633a7c4 LW |
1227 | /* we're trying to emulate pp_entertry() here */ |
1228 | { | |
c09156bb | 1229 | register PERL_CONTEXT *cx; |
54310121 | 1230 | I32 gimme = GIMME_V; |
4633a7c4 LW |
1231 | |
1232 | ENTER; | |
1233 | SAVETMPS; | |
1234 | ||
1235 | push_return(op->op_next); | |
1236 | PUSHBLOCK(cx, CXt_EVAL, stack_sp); | |
1237 | PUSHEVAL(cx, 0, 0); | |
1238 | eval_root = op; /* Only needed so that goto works right. */ | |
1239 | ||
1240 | in_eval = 1; | |
1241 | if (flags & G_KEEPERR) | |
1242 | in_eval |= 4; | |
1243 | else | |
38a03e6e | 1244 | sv_setpv(ERRSV,""); |
4633a7c4 | 1245 | } |
a0d0e21e LW |
1246 | markstack_ptr++; |
1247 | ||
22921e25 CS |
1248 | JMPENV_PUSH(ret); |
1249 | switch (ret) { | |
a0d0e21e LW |
1250 | case 0: |
1251 | break; | |
1252 | case 1: | |
f86702cc | 1253 | STATUS_ALL_FAILURE; |
a0d0e21e LW |
1254 | /* FALL THROUGH */ |
1255 | case 2: | |
1256 | /* my_exit() was called */ | |
1257 | curstash = defstash; | |
1258 | FREETMPS; | |
54310121 | 1259 | JMPENV_POP; |
a0d0e21e LW |
1260 | if (statusvalue) |
1261 | croak("Callback called exit"); | |
f86702cc | 1262 | my_exit_jump(); |
a0d0e21e LW |
1263 | /* NOTREACHED */ |
1264 | case 3: | |
1265 | if (restartop) { | |
1266 | op = restartop; | |
1267 | restartop = 0; | |
54310121 | 1268 | break; |
a0d0e21e LW |
1269 | } |
1270 | stack_sp = stack_base + oldmark; | |
1271 | if (flags & G_ARRAY) | |
1272 | retval = 0; | |
1273 | else { | |
1274 | retval = 1; | |
1275 | *++stack_sp = &sv_undef; | |
1276 | } | |
1277 | goto cleanup; | |
1278 | } | |
1279 | } | |
1e422769 | 1280 | else |
54310121 | 1281 | CATCH_SET(TRUE); |
a0d0e21e LW |
1282 | |
1283 | if (op == (OP*)&myop) | |
11343788 | 1284 | op = pp_entersub(ARGS); |
a0d0e21e | 1285 | if (op) |
76e3520e | 1286 | CALLRUNOPS(); |
a0d0e21e | 1287 | retval = stack_sp - (stack_base + oldmark); |
4633a7c4 | 1288 | if ((flags & G_EVAL) && !(flags & G_KEEPERR)) |
38a03e6e | 1289 | sv_setpv(ERRSV,""); |
a0d0e21e LW |
1290 | |
1291 | cleanup: | |
1292 | if (flags & G_EVAL) { | |
1293 | if (scopestack_ix > oldscope) { | |
a0a2876f LW |
1294 | SV **newsp; |
1295 | PMOP *newpm; | |
1296 | I32 gimme; | |
c09156bb | 1297 | register PERL_CONTEXT *cx; |
a0a2876f LW |
1298 | I32 optype; |
1299 | ||
1300 | POPBLOCK(cx,newpm); | |
1301 | POPEVAL(cx); | |
1302 | pop_return(); | |
1303 | curpm = newpm; | |
1304 | LEAVE; | |
a0d0e21e | 1305 | } |
54310121 | 1306 | JMPENV_POP; |
a0d0e21e | 1307 | } |
1e422769 | 1308 | else |
54310121 | 1309 | CATCH_SET(oldcatch); |
1e422769 | 1310 | |
a0d0e21e LW |
1311 | if (flags & G_DISCARD) { |
1312 | stack_sp = stack_base + oldmark; | |
1313 | retval = 0; | |
1314 | FREETMPS; | |
1315 | LEAVE; | |
1316 | } | |
d6602a8c | 1317 | op = oldop; |
a0d0e21e LW |
1318 | return retval; |
1319 | } | |
1320 | ||
6e72f9df | 1321 | /* Eval a string. The G_EVAL flag is always assumed. */ |
8990e307 | 1322 | |
a0d0e21e | 1323 | I32 |
8ac85365 NIS |
1324 | perl_eval_sv(SV *sv, I32 flags) |
1325 | ||
1326 | /* See G_* flags in cop.h */ | |
a0d0e21e | 1327 | { |
924508f0 | 1328 | dSP; |
a0d0e21e | 1329 | UNOP myop; /* fake syntax tree node */ |
924508f0 | 1330 | I32 oldmark = SP - stack_base; |
4633a7c4 | 1331 | I32 retval; |
4633a7c4 | 1332 | I32 oldscope; |
54310121 | 1333 | dJMPENV; |
22921e25 | 1334 | int ret; |
84902520 TB |
1335 | OP* oldop = op; |
1336 | ||
4633a7c4 LW |
1337 | if (flags & G_DISCARD) { |
1338 | ENTER; | |
1339 | SAVETMPS; | |
1340 | } | |
1341 | ||
462e5cf6 | 1342 | SAVEOP(); |
79072805 | 1343 | op = (OP*)&myop; |
a0d0e21e | 1344 | Zero(op, 1, UNOP); |
4633a7c4 LW |
1345 | EXTEND(stack_sp, 1); |
1346 | *++stack_sp = sv; | |
1347 | oldscope = scopestack_ix; | |
79072805 | 1348 | |
4633a7c4 LW |
1349 | if (!(flags & G_NOARGS)) |
1350 | myop.op_flags = OPf_STACKED; | |
79072805 | 1351 | myop.op_next = Nullop; |
6e72f9df | 1352 | myop.op_type = OP_ENTEREVAL; |
54310121 | 1353 | myop.op_flags |= ((flags & G_VOID) ? OPf_WANT_VOID : |
1354 | (flags & G_ARRAY) ? OPf_WANT_LIST : | |
1355 | OPf_WANT_SCALAR); | |
6e72f9df | 1356 | if (flags & G_KEEPERR) |
1357 | myop.op_flags |= OPf_SPECIAL; | |
4633a7c4 | 1358 | |
22921e25 CS |
1359 | JMPENV_PUSH(ret); |
1360 | switch (ret) { | |
4633a7c4 LW |
1361 | case 0: |
1362 | break; | |
1363 | case 1: | |
f86702cc | 1364 | STATUS_ALL_FAILURE; |
4633a7c4 LW |
1365 | /* FALL THROUGH */ |
1366 | case 2: | |
1367 | /* my_exit() was called */ | |
1368 | curstash = defstash; | |
1369 | FREETMPS; | |
54310121 | 1370 | JMPENV_POP; |
4633a7c4 LW |
1371 | if (statusvalue) |
1372 | croak("Callback called exit"); | |
f86702cc | 1373 | my_exit_jump(); |
4633a7c4 LW |
1374 | /* NOTREACHED */ |
1375 | case 3: | |
1376 | if (restartop) { | |
1377 | op = restartop; | |
1378 | restartop = 0; | |
54310121 | 1379 | break; |
4633a7c4 LW |
1380 | } |
1381 | stack_sp = stack_base + oldmark; | |
1382 | if (flags & G_ARRAY) | |
1383 | retval = 0; | |
1384 | else { | |
1385 | retval = 1; | |
1386 | *++stack_sp = &sv_undef; | |
1387 | } | |
1388 | goto cleanup; | |
1389 | } | |
1390 | ||
1391 | if (op == (OP*)&myop) | |
11343788 | 1392 | op = pp_entereval(ARGS); |
4633a7c4 | 1393 | if (op) |
76e3520e | 1394 | CALLRUNOPS(); |
4633a7c4 | 1395 | retval = stack_sp - (stack_base + oldmark); |
6e72f9df | 1396 | if (!(flags & G_KEEPERR)) |
38a03e6e | 1397 | sv_setpv(ERRSV,""); |
4633a7c4 LW |
1398 | |
1399 | cleanup: | |
54310121 | 1400 | JMPENV_POP; |
4633a7c4 LW |
1401 | if (flags & G_DISCARD) { |
1402 | stack_sp = stack_base + oldmark; | |
1403 | retval = 0; | |
1404 | FREETMPS; | |
1405 | LEAVE; | |
1406 | } | |
84902520 | 1407 | op = oldop; |
4633a7c4 LW |
1408 | return retval; |
1409 | } | |
1410 | ||
137443ea | 1411 | SV* |
8ac85365 | 1412 | perl_eval_pv(char *p, I32 croak_on_error) |
137443ea | 1413 | { |
1414 | dSP; | |
1415 | SV* sv = newSVpv(p, 0); | |
1416 | ||
924508f0 | 1417 | PUSHMARK(SP); |
137443ea | 1418 | perl_eval_sv(sv, G_SCALAR); |
1419 | SvREFCNT_dec(sv); | |
1420 | ||
1421 | SPAGAIN; | |
1422 | sv = POPs; | |
1423 | PUTBACK; | |
1424 | ||
38a03e6e MB |
1425 | if (croak_on_error && SvTRUE(ERRSV)) |
1426 | croak(SvPVx(ERRSV, na)); | |
137443ea | 1427 | |
1428 | return sv; | |
1429 | } | |
1430 | ||
4633a7c4 LW |
1431 | /* Require a module. */ |
1432 | ||
1433 | void | |
8ac85365 | 1434 | perl_require_pv(char *pv) |
4633a7c4 LW |
1435 | { |
1436 | SV* sv = sv_newmortal(); | |
1437 | sv_setpv(sv, "require '"); | |
1438 | sv_catpv(sv, pv); | |
1439 | sv_catpv(sv, "'"); | |
1440 | perl_eval_sv(sv, G_DISCARD); | |
79072805 LW |
1441 | } |
1442 | ||
79072805 | 1443 | void |
8ac85365 | 1444 | magicname(char *sym, char *name, I32 namlen) |
79072805 LW |
1445 | { |
1446 | register GV *gv; | |
1447 | ||
85e6fe83 | 1448 | if (gv = gv_fetchpv(sym,TRUE, SVt_PV)) |
79072805 LW |
1449 | sv_magic(GvSV(gv), (SV*)gv, 0, name, namlen); |
1450 | } | |
1451 | ||
76e3520e | 1452 | STATIC void |
8ac85365 NIS |
1453 | usage(char *name) /* XXX move this out into a module ? */ |
1454 | ||
4633a7c4 | 1455 | { |
ab821d7f | 1456 | /* This message really ought to be max 23 lines. |
1457 | * Removed -h because the user already knows that opton. Others? */ | |
fb73857a | 1458 | |
76e3520e | 1459 | static char *usage_msg[] = { |
fb73857a | 1460 | "-0[octal] specify record separator (\\0, if no argument)", |
1461 | "-a autosplit mode with -n or -p (splits $_ into @F)", | |
1462 | "-c check syntax only (runs BEGIN and END blocks)", | |
1463 | "-d[:debugger] run scripts under debugger", | |
1464 | "-D[number/list] set debugging flags (argument is a bit mask or flags)", | |
1465 | "-e 'command' one line of script. Several -e's allowed. Omit [programfile].", | |
1466 | "-F/pattern/ split() pattern for autosplit (-a). The //'s are optional.", | |
1467 | "-i[extension] edit <> files in place (make backup if extension supplied)", | |
1468 | "-Idirectory specify @INC/#include directory (may be used more than once)", | |
1469 | "-l[octal] enable line ending processing, specifies line terminator", | |
1470 | "-[mM][-]module.. executes `use/no module...' before executing your script.", | |
1471 | "-n assume 'while (<>) { ... }' loop around your script", | |
1472 | "-p assume loop like -n but print line also like sed", | |
1473 | "-P run script through C preprocessor before compilation", | |
1474 | "-s enable some switch parsing for switches after script name", | |
1475 | "-S look for the script using PATH environment variable", | |
1476 | "-T turn on tainting checks", | |
1477 | "-u dump core after parsing script", | |
1478 | "-U allow unsafe operations", | |
1479 | "-v print version number and patchlevel of perl", | |
1480 | "-V[:variable] print perl configuration information", | |
1481 | "-w TURN WARNINGS ON FOR COMPILATION OF YOUR SCRIPT. Recommended.", | |
1482 | "-x[directory] strip off text before #!perl line and perhaps cd to directory", | |
1483 | "\n", | |
1484 | NULL | |
1485 | }; | |
76e3520e | 1486 | char **p = usage_msg; |
fb73857a | 1487 | |
ab821d7f | 1488 | printf("\nUsage: %s [switches] [--] [programfile] [arguments]", name); |
fb73857a | 1489 | while (*p) |
1490 | printf("\n %s", *p++); | |
4633a7c4 LW |
1491 | } |
1492 | ||
79072805 LW |
1493 | /* This routine handles any switches that can be given during run */ |
1494 | ||
1495 | char * | |
8ac85365 | 1496 | moreswitches(char *s) |
79072805 LW |
1497 | { |
1498 | I32 numlen; | |
c07a80fd | 1499 | U32 rschar; |
79072805 LW |
1500 | |
1501 | switch (*s) { | |
1502 | case '0': | |
a863c7d1 MB |
1503 | { |
1504 | dTHR; | |
c07a80fd | 1505 | rschar = scan_oct(s, 4, &numlen); |
1506 | SvREFCNT_dec(nrs); | |
1507 | if (rschar & ~((U8)~0)) | |
1508 | nrs = &sv_undef; | |
1509 | else if (!rschar && numlen >= 2) | |
1510 | nrs = newSVpv("", 0); | |
1511 | else { | |
1512 | char ch = rschar; | |
1513 | nrs = newSVpv(&ch, 1); | |
79072805 LW |
1514 | } |
1515 | return s + numlen; | |
a863c7d1 | 1516 | } |
2304df62 AD |
1517 | case 'F': |
1518 | minus_F = TRUE; | |
a0d0e21e | 1519 | splitstr = savepv(s + 1); |
2304df62 AD |
1520 | s += strlen(s); |
1521 | return s; | |
79072805 LW |
1522 | case 'a': |
1523 | minus_a = TRUE; | |
1524 | s++; | |
1525 | return s; | |
1526 | case 'c': | |
1527 | minus_c = TRUE; | |
1528 | s++; | |
1529 | return s; | |
1530 | case 'd': | |
bbce6d69 | 1531 | forbid_setid("-d"); |
4633a7c4 | 1532 | s++; |
c07a80fd | 1533 | if (*s == ':' || *s == '=') { |
46fc3d4c | 1534 | my_setenv("PERL5DB", form("use Devel::%s;", ++s)); |
4633a7c4 | 1535 | s += strlen(s); |
4633a7c4 | 1536 | } |
a0d0e21e | 1537 | if (!perldb) { |
84902520 | 1538 | perldb = PERLDB_ALL; |
a0d0e21e LW |
1539 | init_debugger(); |
1540 | } | |
79072805 LW |
1541 | return s; |
1542 | case 'D': | |
1543 | #ifdef DEBUGGING | |
bbce6d69 | 1544 | forbid_setid("-D"); |
79072805 | 1545 | if (isALPHA(s[1])) { |
8990e307 | 1546 | static char debopts[] = "psltocPmfrxuLHXD"; |
79072805 LW |
1547 | char *d; |
1548 | ||
93a17b20 | 1549 | for (s++; *s && (d = strchr(debopts,*s)); s++) |
79072805 LW |
1550 | debug |= 1 << (d - debopts); |
1551 | } | |
1552 | else { | |
1553 | debug = atoi(s+1); | |
1554 | for (s++; isDIGIT(*s); s++) ; | |
1555 | } | |
8990e307 | 1556 | debug |= 0x80000000; |
79072805 LW |
1557 | #else |
1558 | warn("Recompile perl with -DDEBUGGING to use -D switch\n"); | |
a0d0e21e | 1559 | for (s++; isALNUM(*s); s++) ; |
79072805 LW |
1560 | #endif |
1561 | /*SUPPRESS 530*/ | |
1562 | return s; | |
4633a7c4 LW |
1563 | case 'h': |
1564 | usage(origargv[0]); | |
6ad3d225 | 1565 | PerlProc_exit(0); |
79072805 LW |
1566 | case 'i': |
1567 | if (inplace) | |
1568 | Safefree(inplace); | |
a0d0e21e | 1569 | inplace = savepv(s+1); |
79072805 LW |
1570 | /*SUPPRESS 530*/ |
1571 | for (s = inplace; *s && !isSPACE(*s); s++) ; | |
fb73857a | 1572 | if (*s) |
1573 | *s++ = '\0'; | |
1574 | return s; | |
1575 | case 'I': /* -I handled both here and in parse_perl() */ | |
bbce6d69 | 1576 | forbid_setid("-I"); |
fb73857a | 1577 | ++s; |
1578 | while (*s && isSPACE(*s)) | |
1579 | ++s; | |
1580 | if (*s) { | |
774d564b | 1581 | char *e, *p; |
748a9306 | 1582 | for (e = s; *e && !isSPACE(*e); e++) ; |
774d564b | 1583 | p = savepvn(s, e-s); |
1584 | incpush(p, TRUE); | |
1585 | Safefree(p); | |
fb73857a | 1586 | s = e; |
79072805 LW |
1587 | } |
1588 | else | |
463ee0b2 | 1589 | croak("No space allowed after -I"); |
fb73857a | 1590 | return s; |
79072805 LW |
1591 | case 'l': |
1592 | minus_l = TRUE; | |
1593 | s++; | |
a0d0e21e LW |
1594 | if (ors) |
1595 | Safefree(ors); | |
79072805 | 1596 | if (isDIGIT(*s)) { |
a0d0e21e | 1597 | ors = savepv("\n"); |
79072805 LW |
1598 | orslen = 1; |
1599 | *ors = scan_oct(s, 3 + (*s == '0'), &numlen); | |
1600 | s += numlen; | |
1601 | } | |
1602 | else { | |
a863c7d1 | 1603 | dTHR; |
c07a80fd | 1604 | if (RsPARA(nrs)) { |
6e72f9df | 1605 | ors = "\n\n"; |
c07a80fd | 1606 | orslen = 2; |
1607 | } | |
1608 | else | |
1609 | ors = SvPV(nrs, orslen); | |
6e72f9df | 1610 | ors = savepvn(ors, orslen); |
79072805 LW |
1611 | } |
1612 | return s; | |
1a30305b | 1613 | case 'M': |
bbce6d69 | 1614 | forbid_setid("-M"); /* XXX ? */ |
1a30305b | 1615 | /* FALL THROUGH */ |
1616 | case 'm': | |
bbce6d69 | 1617 | forbid_setid("-m"); /* XXX ? */ |
1a30305b | 1618 | if (*++s) { |
a5f75d66 | 1619 | char *start; |
11343788 | 1620 | SV *sv; |
a5f75d66 AD |
1621 | char *use = "use "; |
1622 | /* -M-foo == 'no foo' */ | |
1623 | if (*s == '-') { use = "no "; ++s; } | |
11343788 | 1624 | sv = newSVpv(use,0); |
a5f75d66 | 1625 | start = s; |
1a30305b | 1626 | /* We allow -M'Module qw(Foo Bar)' */ |
c07a80fd | 1627 | while(isALNUM(*s) || *s==':') ++s; |
1628 | if (*s != '=') { | |
11343788 | 1629 | sv_catpv(sv, start); |
c07a80fd | 1630 | if (*(start-1) == 'm') { |
1631 | if (*s != '\0') | |
1632 | croak("Can't use '%c' after -mname", *s); | |
11343788 | 1633 | sv_catpv( sv, " ()"); |
c07a80fd | 1634 | } |
1635 | } else { | |
11343788 MB |
1636 | sv_catpvn(sv, start, s-start); |
1637 | sv_catpv(sv, " split(/,/,q{"); | |
1638 | sv_catpv(sv, ++s); | |
1639 | sv_catpv(sv, "})"); | |
c07a80fd | 1640 | } |
1a30305b | 1641 | s += strlen(s); |
c07a80fd | 1642 | if (preambleav == NULL) |
1643 | preambleav = newAV(); | |
11343788 | 1644 | av_push(preambleav, sv); |
1a30305b | 1645 | } |
1646 | else | |
1647 | croak("No space allowed after -%c", *(s-1)); | |
1648 | return s; | |
79072805 LW |
1649 | case 'n': |
1650 | minus_n = TRUE; | |
1651 | s++; | |
1652 | return s; | |
1653 | case 'p': | |
1654 | minus_p = TRUE; | |
1655 | s++; | |
1656 | return s; | |
1657 | case 's': | |
bbce6d69 | 1658 | forbid_setid("-s"); |
79072805 LW |
1659 | doswitches = TRUE; |
1660 | s++; | |
1661 | return s; | |
463ee0b2 | 1662 | case 'T': |
f86702cc | 1663 | if (!tainting) |
9607fc9c | 1664 | croak("Too late for \"-T\" option"); |
463ee0b2 LW |
1665 | s++; |
1666 | return s; | |
79072805 LW |
1667 | case 'u': |
1668 | do_undump = TRUE; | |
1669 | s++; | |
1670 | return s; | |
1671 | case 'U': | |
1672 | unsafe = TRUE; | |
1673 | s++; | |
1674 | return s; | |
1675 | case 'v': | |
a5f75d66 | 1676 | #if defined(SUBVERSION) && SUBVERSION > 0 |
fb73857a | 1677 | printf("\nThis is perl, version 5.%03d_%02d built for %s", |
1678 | PATCHLEVEL, SUBVERSION, ARCHNAME); | |
a5f75d66 | 1679 | #else |
fb73857a | 1680 | printf("\nThis is perl, version %s built for %s", |
1681 | patchlevel, ARCHNAME); | |
1682 | #endif | |
1683 | #if defined(LOCAL_PATCH_COUNT) | |
1684 | if (LOCAL_PATCH_COUNT > 0) | |
1685 | printf("\n(with %d registered patch%s, see perl -V for more detail)", | |
1686 | LOCAL_PATCH_COUNT, (LOCAL_PATCH_COUNT!=1) ? "es" : ""); | |
a5f75d66 | 1687 | #endif |
1a30305b | 1688 | |
a411490c | 1689 | printf("\n\nCopyright 1987-1998, Larry Wall\n"); |
79072805 | 1690 | #ifdef MSDOS |
fb73857a | 1691 | printf("\nMS-DOS port Copyright (c) 1989, 1990, Diomidis Spinellis\n"); |
55497cff | 1692 | #endif |
1693 | #ifdef DJGPP | |
1694 | printf("djgpp v2 port (jpl5003c) by Hirofumi Watanabe, 1996\n"); | |
9731c6ca | 1695 | printf("djgpp v2 port (perl5004+) by Laszlo Molnar, 1997-1998\n"); |
4633a7c4 | 1696 | #endif |
79072805 | 1697 | #ifdef OS2 |
5dd60ef7 | 1698 | printf("\n\nOS/2 port Copyright (c) 1990, 1991, Raymond Chen, Kai Uwe Rommel\n" |
a411490c | 1699 | "Version 5 port Copyright (c) 1994-1998, Andreas Kaiser, Ilya Zakharevich\n"); |
79072805 | 1700 | #endif |
79072805 | 1701 | #ifdef atarist |
760ac839 | 1702 | printf("atariST series port, ++jrb bammi@cadence.com\n"); |
79072805 | 1703 | #endif |
760ac839 | 1704 | printf("\n\ |
79072805 | 1705 | Perl may be copied only under the terms of either the Artistic License or the\n\ |
760ac839 | 1706 | GNU General Public License, which may be found in the Perl 5.0 source kit.\n\n"); |
6ad3d225 | 1707 | PerlProc_exit(0); |
79072805 LW |
1708 | case 'w': |
1709 | dowarn = TRUE; | |
1710 | s++; | |
1711 | return s; | |
a0d0e21e | 1712 | case '*': |
79072805 LW |
1713 | case ' ': |
1714 | if (s[1] == '-') /* Additional switches on #! line. */ | |
1715 | return s+2; | |
1716 | break; | |
a0d0e21e | 1717 | case '-': |
79072805 | 1718 | case 0: |
a868473f NIS |
1719 | #ifdef WIN32 |
1720 | case '\r': | |
1721 | #endif | |
79072805 LW |
1722 | case '\n': |
1723 | case '\t': | |
1724 | break; | |
aa689395 | 1725 | #ifdef ALTERNATE_SHEBANG |
1726 | case 'S': /* OS/2 needs -S on "extproc" line. */ | |
1727 | break; | |
1728 | #endif | |
a0d0e21e LW |
1729 | case 'P': |
1730 | if (preprocess) | |
1731 | return s+1; | |
1732 | /* FALL THROUGH */ | |
79072805 | 1733 | default: |
a0d0e21e | 1734 | croak("Can't emulate -%.1s on #! line",s); |
79072805 LW |
1735 | } |
1736 | return Nullch; | |
1737 | } | |
1738 | ||
1739 | /* compliments of Tom Christiansen */ | |
1740 | ||
1741 | /* unexec() can be found in the Gnu emacs distribution */ | |
1742 | ||
1743 | void | |
8ac85365 | 1744 | my_unexec(void) |
79072805 LW |
1745 | { |
1746 | #ifdef UNEXEC | |
46fc3d4c | 1747 | SV* prog; |
1748 | SV* file; | |
79072805 LW |
1749 | int status; |
1750 | extern int etext; | |
1751 | ||
46fc3d4c | 1752 | prog = newSVpv(BIN_EXP); |
1753 | sv_catpv(prog, "/perl"); | |
1754 | file = newSVpv(origfilename); | |
1755 | sv_catpv(file, ".perldump"); | |
79072805 | 1756 | |
46fc3d4c | 1757 | status = unexec(SvPVX(file), SvPVX(prog), &etext, sbrk(0), 0); |
79072805 | 1758 | if (status) |
46fc3d4c | 1759 | PerlIO_printf(PerlIO_stderr(), "unexec of %s into %s failed!\n", |
1760 | SvPVX(prog), SvPVX(file)); | |
6ad3d225 | 1761 | PerlProc_exit(status); |
79072805 | 1762 | #else |
a5f75d66 AD |
1763 | # ifdef VMS |
1764 | # include <lib$routines.h> | |
1765 | lib$signal(SS$_DEBUG); /* ssdef.h #included from vmsish.h */ | |
aa689395 | 1766 | # else |
79072805 | 1767 | ABORT(); /* for use with undump */ |
aa689395 | 1768 | # endif |
a5f75d66 | 1769 | #endif |
79072805 LW |
1770 | } |
1771 | ||
76e3520e | 1772 | STATIC void |
8ac85365 | 1773 | init_main_stash(void) |
79072805 | 1774 | { |
11343788 | 1775 | dTHR; |
463ee0b2 | 1776 | GV *gv; |
6e72f9df | 1777 | |
1778 | /* Note that strtab is a rather special HV. Assumptions are made | |
1779 | about not iterating on it, and not adding tie magic to it. | |
1780 | It is properly deallocated in perl_destruct() */ | |
1781 | strtab = newHV(); | |
1782 | HvSHAREKEYS_off(strtab); /* mandatory */ | |
1783 | Newz(506,((XPVHV*)SvANY(strtab))->xhv_array, | |
1784 | sizeof(HE*) * (((XPVHV*)SvANY(strtab))->xhv_max + 1), char); | |
1785 | ||
463ee0b2 | 1786 | curstash = defstash = newHV(); |
79072805 | 1787 | curstname = newSVpv("main",4); |
adbc6bb1 LW |
1788 | gv = gv_fetchpv("main::",TRUE, SVt_PVHV); |
1789 | SvREFCNT_dec(GvHV(gv)); | |
1790 | GvHV(gv) = (HV*)SvREFCNT_inc(defstash); | |
463ee0b2 | 1791 | SvREADONLY_on(gv); |
a0d0e21e | 1792 | HvNAME(defstash) = savepv("main"); |
85e6fe83 | 1793 | incgv = gv_HVadd(gv_AVadd(gv_fetchpv("INC",TRUE, SVt_PVAV))); |
a5f75d66 | 1794 | GvMULTI_on(incgv); |
a0d0e21e | 1795 | defgv = gv_fetchpv("_",TRUE, SVt_PVAV); |
12f917ad MB |
1796 | errgv = gv_HVadd(gv_fetchpv("@", TRUE, SVt_PV)); |
1797 | GvMULTI_on(errgv); | |
84902520 | 1798 | (void)form("%240s",""); /* Preallocate temp - for immediate signals. */ |
38a03e6e MB |
1799 | sv_grow(ERRSV, 240); /* Preallocate - for immediate signals. */ |
1800 | sv_setpvn(ERRSV, "", 0); | |
8990e307 LW |
1801 | curstash = defstash; |
1802 | compiling.cop_stash = defstash; | |
adbc6bb1 | 1803 | debstash = GvHV(gv_fetchpv("DB::", GV_ADDMULTI, SVt_PVHV)); |
49dc05e3 | 1804 | globalstash = GvHV(gv_fetchpv("CORE::GLOBAL::", GV_ADDMULTI, SVt_PVHV)); |
4633a7c4 LW |
1805 | /* We must init $/ before switches are processed. */ |
1806 | sv_setpvn(GvSV(gv_fetchpv("/", TRUE, SVt_PV)), "\n", 1); | |
79072805 LW |
1807 | } |
1808 | ||
76e3520e | 1809 | STATIC void |
01f988be | 1810 | open_script(char *scriptname, bool dosearch, SV *sv, int *fdscript) |
79072805 | 1811 | { |
0f15f207 | 1812 | dTHR; |
79072805 LW |
1813 | char *xfound = Nullch; |
1814 | char *xfailed = Nullch; | |
1815 | register char *s; | |
1816 | I32 len; | |
a38d6535 LW |
1817 | int retval; |
1818 | #if defined(DOSISH) && !defined(OS2) && !defined(atarist) | |
fc36a67e | 1819 | # define SEARCH_EXTS ".bat", ".cmd", NULL |
1820 | # define MAX_EXT_LEN 4 | |
a38d6535 | 1821 | #endif |
d8c2d278 IZ |
1822 | #ifdef OS2 |
1823 | # define SEARCH_EXTS ".cmd", ".btm", ".bat", ".pl", NULL | |
1824 | # define MAX_EXT_LEN 4 | |
1825 | #endif | |
ab821d7f | 1826 | #ifdef VMS |
1827 | # define SEARCH_EXTS ".pl", ".com", NULL | |
fc36a67e | 1828 | # define MAX_EXT_LEN 4 |
ab821d7f | 1829 | #endif |
a38d6535 LW |
1830 | /* additional extensions to try in each dir if scriptname not found */ |
1831 | #ifdef SEARCH_EXTS | |
1832 | char *ext[] = { SEARCH_EXTS }; | |
2a92aaa0 GS |
1833 | int extidx = 0, i = 0; |
1834 | char *curext = Nullch; | |
fc36a67e | 1835 | #else |
1836 | # define MAX_EXT_LEN 0 | |
a38d6535 | 1837 | #endif |
79072805 | 1838 | |
2a92aaa0 GS |
1839 | /* |
1840 | * If dosearch is true and if scriptname does not contain path | |
1841 | * delimiters, search the PATH for scriptname. | |
1842 | * | |
1843 | * If SEARCH_EXTS is also defined, will look for each | |
1844 | * scriptname{SEARCH_EXTS} whenever scriptname is not found | |
1845 | * while searching the PATH. | |
1846 | * | |
1847 | * Assuming SEARCH_EXTS is C<".foo",".bar",NULL>, PATH search | |
1848 | * proceeds as follows: | |
61bb5906 | 1849 | * If DOSISH or VMSISH: |
2a92aaa0 GS |
1850 | * + look for ./scriptname{,.foo,.bar} |
1851 | * + search the PATH for scriptname{,.foo,.bar} | |
1852 | * | |
1853 | * If !DOSISH: | |
1854 | * + look *only* in the PATH for scriptname{,.foo,.bar} (note | |
1855 | * this will not look in '.' if it's not in the PATH) | |
1856 | */ | |
1857 | ||
c07a80fd | 1858 | #ifdef VMS |
61bb5906 CB |
1859 | # ifdef ALWAYS_DEFTYPES |
1860 | len = strlen(scriptname); | |
1861 | if (!(len == 1 && *scriptname == '-') && scriptname[len-1] != ':') { | |
1862 | int hasdir, idx = 0, deftypes = 1; | |
1863 | bool seen_dot = 1; | |
1864 | ||
1865 | hasdir = !dosearch || (strpbrk(scriptname,":[</") != Nullch) ; | |
1866 | # else | |
6e72f9df | 1867 | if (dosearch) { |
1868 | int hasdir, idx = 0, deftypes = 1; | |
1a2dec3c | 1869 | bool seen_dot = 1; |
6e72f9df | 1870 | |
1871 | hasdir = (strpbrk(scriptname,":[</") != Nullch) ; | |
61bb5906 | 1872 | # endif |
6e72f9df | 1873 | /* The first time through, just add SEARCH_EXTS to whatever we |
1874 | * already have, so we can check for default file types. */ | |
fc36a67e | 1875 | while (deftypes || |
1876 | (!hasdir && my_trnlnm("DCL$PATH",tokenbuf,idx++)) ) | |
1877 | { | |
1878 | if (deftypes) { | |
1879 | deftypes = 0; | |
1880 | *tokenbuf = '\0'; | |
1881 | } | |
1882 | if ((strlen(tokenbuf) + strlen(scriptname) | |
1883 | + MAX_EXT_LEN) >= sizeof tokenbuf) | |
1884 | continue; /* don't search dir with too-long name */ | |
1885 | strcat(tokenbuf, scriptname); | |
c07a80fd | 1886 | #else /* !VMS */ |
2a92aaa0 | 1887 | |
fc36a67e | 1888 | #ifdef DOSISH |
2a92aaa0 | 1889 | if (strEQ(scriptname, "-")) |
84902520 | 1890 | dosearch = 0; |
2a92aaa0 GS |
1891 | if (dosearch) { /* Look in '.' first. */ |
1892 | char *cur = scriptname; | |
1893 | #ifdef SEARCH_EXTS | |
1894 | if ((curext = strrchr(scriptname,'.'))) /* possible current ext */ | |
1895 | while (ext[i]) | |
1896 | if (strEQ(ext[i++],curext)) { | |
1897 | extidx = -1; /* already has an ext */ | |
1898 | break; | |
1899 | } | |
1900 | do { | |
79072805 | 1901 | #endif |
2a92aaa0 GS |
1902 | DEBUG_p(PerlIO_printf(Perl_debug_log, |
1903 | "Looking for %s\n",cur)); | |
76e3520e | 1904 | if (PerlLIO_stat(cur,&statbuf) >= 0) { |
2a92aaa0 GS |
1905 | dosearch = 0; |
1906 | scriptname = cur; | |
84902520 | 1907 | #ifdef SEARCH_EXTS |
2a92aaa0 | 1908 | break; |
84902520 | 1909 | #endif |
2a92aaa0 GS |
1910 | } |
1911 | #ifdef SEARCH_EXTS | |
1912 | if (cur == scriptname) { | |
1913 | len = strlen(scriptname); | |
1914 | if (len+MAX_EXT_LEN+1 >= sizeof(tokenbuf)) | |
1915 | break; | |
1916 | cur = strcpy(tokenbuf, scriptname); | |
1917 | } | |
1918 | } while (extidx >= 0 && ext[extidx] /* try an extension? */ | |
1919 | && strcpy(tokenbuf+len, ext[extidx++])); | |
1920 | #endif | |
1921 | } | |
1922 | #endif | |
84902520 | 1923 | |
e92c4225 WJ |
1924 | if (dosearch && !strchr(scriptname, '/') |
1925 | #ifdef DOSISH | |
1926 | && !strchr(scriptname, '\\') | |
1927 | #endif | |
76e3520e | 1928 | && (s = PerlEnv_getenv("PATH"))) { |
2a92aaa0 | 1929 | bool seen_dot = 0; |
84902520 | 1930 | |
79072805 | 1931 | bufend = s + strlen(s); |
fc36a67e | 1932 | while (s < bufend) { |
2a92aaa0 GS |
1933 | #if defined(atarist) || defined(DOSISH) |
1934 | for (len = 0; *s | |
1935 | # ifdef atarist | |
1936 | && *s != ',' | |
1937 | # endif | |
1938 | && *s != ';'; len++, s++) { | |
fc36a67e | 1939 | if (len < sizeof tokenbuf) |
1940 | tokenbuf[len] = *s; | |
1941 | } | |
1942 | if (len < sizeof tokenbuf) | |
1943 | tokenbuf[len] = '\0'; | |
84902520 TB |
1944 | #else /* ! (atarist || DOSISH) */ |
1945 | s = delimcpy(tokenbuf, tokenbuf + sizeof tokenbuf, s, bufend, | |
1946 | ':', | |
1947 | &len); | |
1948 | #endif /* ! (atarist || DOSISH) */ | |
fc36a67e | 1949 | if (s < bufend) |
79072805 | 1950 | s++; |
fc36a67e | 1951 | if (len + 1 + strlen(scriptname) + MAX_EXT_LEN >= sizeof tokenbuf) |
1952 | continue; /* don't search dir with too-long name */ | |
1953 | if (len | |
fc36a67e | 1954 | #if defined(atarist) || defined(DOSISH) |
2a92aaa0 | 1955 | && tokenbuf[len - 1] != '/' |
fc36a67e | 1956 | && tokenbuf[len - 1] != '\\' |
79072805 | 1957 | #endif |
fc36a67e | 1958 | ) |
1959 | tokenbuf[len++] = '/'; | |
84902520 | 1960 | if (len == 2 && tokenbuf[0] == '.') |
2a92aaa0 | 1961 | seen_dot = 1; |
fc36a67e | 1962 | (void)strcpy(tokenbuf + len, scriptname); |
c07a80fd | 1963 | #endif /* !VMS */ |
a38d6535 LW |
1964 | |
1965 | #ifdef SEARCH_EXTS | |
1966 | len = strlen(tokenbuf); | |
1967 | if (extidx > 0) /* reset after previous loop */ | |
1968 | extidx = 0; | |
1969 | do { | |
1970 | #endif | |
760ac839 | 1971 | DEBUG_p(PerlIO_printf(Perl_debug_log, "Looking for %s\n",tokenbuf)); |
76e3520e | 1972 | retval = PerlLIO_stat(tokenbuf,&statbuf); |
a38d6535 LW |
1973 | #ifdef SEARCH_EXTS |
1974 | } while ( retval < 0 /* not there */ | |
1975 | && extidx>=0 && ext[extidx] /* try an extension? */ | |
1976 | && strcpy(tokenbuf+len, ext[extidx++]) | |
1977 | ); | |
1978 | #endif | |
1979 | if (retval < 0) | |
79072805 LW |
1980 | continue; |
1981 | if (S_ISREG(statbuf.st_mode) | |
c90c0ff4 | 1982 | && cando(S_IRUSR,TRUE,&statbuf) |
1983 | #ifndef DOSISH | |
1984 | && cando(S_IXUSR,TRUE,&statbuf) | |
1985 | #endif | |
1986 | ) | |
1987 | { | |
79072805 LW |
1988 | xfound = tokenbuf; /* bingo! */ |
1989 | break; | |
1990 | } | |
1991 | if (!xfailed) | |
a0d0e21e | 1992 | xfailed = savepv(tokenbuf); |
79072805 | 1993 | } |
2a92aaa0 | 1994 | #ifndef DOSISH |
76e3520e | 1995 | if (!xfound && !seen_dot && !xfailed && (PerlLIO_stat(scriptname,&statbuf) < 0)) |
84902520 TB |
1996 | #endif |
1997 | seen_dot = 1; /* Disable message. */ | |
79072805 | 1998 | if (!xfound) |
84902520 | 1999 | croak("Can't %s %s%s%s", |
2a92aaa0 GS |
2000 | (xfailed ? "execute" : "find"), |
2001 | (xfailed ? xfailed : scriptname), | |
2002 | (xfailed ? "" : " on PATH"), | |
2003 | (xfailed || seen_dot) ? "" : ", '.' not in PATH"); | |
79072805 LW |
2004 | if (xfailed) |
2005 | Safefree(xfailed); | |
2006 | scriptname = xfound; | |
2007 | } | |
2008 | ||
96436eeb | 2009 | if (strnEQ(scriptname, "/dev/fd/", 8) && isDIGIT(scriptname[8]) ) { |
2010 | char *s = scriptname + 8; | |
01f988be | 2011 | *fdscript = atoi(s); |
96436eeb | 2012 | while (isDIGIT(*s)) |
2013 | s++; | |
2014 | if (*s) | |
2015 | scriptname = s + 1; | |
2016 | } | |
2017 | else | |
01f988be | 2018 | *fdscript = -1; |
ab821d7f | 2019 | origfilename = savepv(e_tmpname ? "-e" : scriptname); |
79072805 LW |
2020 | curcop->cop_filegv = gv_fetchfile(origfilename); |
2021 | if (strEQ(origfilename,"-")) | |
2022 | scriptname = ""; | |
01f988be GS |
2023 | if (*fdscript >= 0) { |
2024 | rsfp = PerlIO_fdopen(*fdscript,PERL_SCRIPT_MODE); | |
96436eeb | 2025 | #if defined(HAS_FCNTL) && defined(F_SETFD) |
7aa04957 CS |
2026 | if (rsfp) |
2027 | fcntl(PerlIO_fileno(rsfp),F_SETFD,1); /* ensure close-on-exec */ | |
96436eeb | 2028 | #endif |
2029 | } | |
2030 | else if (preprocess) { | |
46fc3d4c | 2031 | char *cpp_cfg = CPPSTDIN; |
2032 | SV *cpp = NEWSV(0,0); | |
2033 | SV *cmd = NEWSV(0,0); | |
2034 | ||
2035 | if (strEQ(cpp_cfg, "cppstdin")) | |
2036 | sv_catpvf(cpp, "%s/", BIN_EXP); | |
2037 | sv_catpv(cpp, cpp_cfg); | |
79072805 | 2038 | |
79072805 | 2039 | sv_catpv(sv,"-I"); |
fed7345c | 2040 | sv_catpv(sv,PRIVLIB_EXP); |
46fc3d4c | 2041 | |
79072805 | 2042 | #ifdef MSDOS |
46fc3d4c | 2043 | sv_setpvf(cmd, "\ |
79072805 LW |
2044 | sed %s -e \"/^[^#]/b\" \ |
2045 | -e \"/^#[ ]*include[ ]/b\" \ | |
2046 | -e \"/^#[ ]*define[ ]/b\" \ | |
2047 | -e \"/^#[ ]*if[ ]/b\" \ | |
2048 | -e \"/^#[ ]*ifdef[ ]/b\" \ | |
2049 | -e \"/^#[ ]*ifndef[ ]/b\" \ | |
2050 | -e \"/^#[ ]*else/b\" \ | |
2051 | -e \"/^#[ ]*elif[ ]/b\" \ | |
2052 | -e \"/^#[ ]*undef[ ]/b\" \ | |
2053 | -e \"/^#[ ]*endif/b\" \ | |
2054 | -e \"s/^#.*//\" \ | |
fc36a67e | 2055 | %s | %_ -C %_ %s", |
79072805 LW |
2056 | (doextract ? "-e \"1,/^#/d\n\"" : ""), |
2057 | #else | |
46fc3d4c | 2058 | sv_setpvf(cmd, "\ |
79072805 LW |
2059 | %s %s -e '/^[^#]/b' \ |
2060 | -e '/^#[ ]*include[ ]/b' \ | |
2061 | -e '/^#[ ]*define[ ]/b' \ | |
2062 | -e '/^#[ ]*if[ ]/b' \ | |
2063 | -e '/^#[ ]*ifdef[ ]/b' \ | |
2064 | -e '/^#[ ]*ifndef[ ]/b' \ | |
2065 | -e '/^#[ ]*else/b' \ | |
2066 | -e '/^#[ ]*elif[ ]/b' \ | |
2067 | -e '/^#[ ]*undef[ ]/b' \ | |
2068 | -e '/^#[ ]*endif/b' \ | |
2069 | -e 's/^[ ]*#.*//' \ | |
fc36a67e | 2070 | %s | %_ -C %_ %s", |
79072805 LW |
2071 | #ifdef LOC_SED |
2072 | LOC_SED, | |
2073 | #else | |
2074 | "sed", | |
2075 | #endif | |
2076 | (doextract ? "-e '1,/^#/d\n'" : ""), | |
2077 | #endif | |
46fc3d4c | 2078 | scriptname, cpp, sv, CPPMINUS); |
79072805 LW |
2079 | doextract = FALSE; |
2080 | #ifdef IAMSUID /* actually, this is caught earlier */ | |
2081 | if (euid != uid && !euid) { /* if running suidperl */ | |
2082 | #ifdef HAS_SETEUID | |
2083 | (void)seteuid(uid); /* musn't stay setuid root */ | |
2084 | #else | |
2085 | #ifdef HAS_SETREUID | |
85e6fe83 LW |
2086 | (void)setreuid((Uid_t)-1, uid); |
2087 | #else | |
2088 | #ifdef HAS_SETRESUID | |
2089 | (void)setresuid((Uid_t)-1, uid, (Uid_t)-1); | |
79072805 | 2090 | #else |
76e3520e | 2091 | PerlProc_setuid(uid); |
79072805 LW |
2092 | #endif |
2093 | #endif | |
85e6fe83 | 2094 | #endif |
76e3520e | 2095 | if (PerlProc_geteuid() != uid) |
463ee0b2 | 2096 | croak("Can't do seteuid!\n"); |
79072805 LW |
2097 | } |
2098 | #endif /* IAMSUID */ | |
6ad3d225 | 2099 | rsfp = PerlProc_popen(SvPVX(cmd), "r"); |
46fc3d4c | 2100 | SvREFCNT_dec(cmd); |
2101 | SvREFCNT_dec(cpp); | |
79072805 LW |
2102 | } |
2103 | else if (!*scriptname) { | |
bbce6d69 | 2104 | forbid_setid("program input from stdin"); |
760ac839 | 2105 | rsfp = PerlIO_stdin(); |
79072805 | 2106 | } |
96436eeb | 2107 | else { |
a868473f | 2108 | rsfp = PerlIO_open(scriptname,PERL_SCRIPT_MODE); |
96436eeb | 2109 | #if defined(HAS_FCNTL) && defined(F_SETFD) |
7aa04957 CS |
2110 | if (rsfp) |
2111 | fcntl(PerlIO_fileno(rsfp),F_SETFD,1); /* ensure close-on-exec */ | |
96436eeb | 2112 | #endif |
2113 | } | |
5dd60ef7 | 2114 | if (e_tmpname) { |
2115 | e_fp = rsfp; | |
2116 | } | |
7aa04957 | 2117 | if (!rsfp) { |
13281fa4 | 2118 | #ifdef DOSUID |
a687059c | 2119 | #ifndef IAMSUID /* in case script is not readable before setuid */ |
76e3520e | 2120 | if (euid && PerlLIO_stat(SvPVX(GvSV(curcop->cop_filegv)),&statbuf) >= 0 && |
13281fa4 | 2121 | statbuf.st_mode & (S_ISUID|S_ISGID)) { |
46fc3d4c | 2122 | /* try again */ |
6ad3d225 | 2123 | PerlProc_execv(form("%s/sperl%s", BIN_EXP, patchlevel), origargv); |
463ee0b2 | 2124 | croak("Can't do setuid\n"); |
13281fa4 LW |
2125 | } |
2126 | #endif | |
2127 | #endif | |
463ee0b2 | 2128 | croak("Can't open perl script \"%s\": %s\n", |
2304df62 | 2129 | SvPVX(GvSV(curcop->cop_filegv)), Strerror(errno)); |
13281fa4 | 2130 | } |
79072805 | 2131 | } |
8d063cd8 | 2132 | |
76e3520e | 2133 | STATIC void |
01f988be | 2134 | validate_suid(char *validarg, char *scriptname, int fdscript) |
79072805 | 2135 | { |
96436eeb | 2136 | int which; |
2137 | ||
13281fa4 LW |
2138 | /* do we need to emulate setuid on scripts? */ |
2139 | ||
2140 | /* This code is for those BSD systems that have setuid #! scripts disabled | |
2141 | * in the kernel because of a security problem. Merely defining DOSUID | |
2142 | * in perl will not fix that problem, but if you have disabled setuid | |
2143 | * scripts in the kernel, this will attempt to emulate setuid and setgid | |
2144 | * on scripts that have those now-otherwise-useless bits set. The setuid | |
27e2fb84 LW |
2145 | * root version must be called suidperl or sperlN.NNN. If regular perl |
2146 | * discovers that it has opened a setuid script, it calls suidperl with | |
2147 | * the same argv that it had. If suidperl finds that the script it has | |
2148 | * just opened is NOT setuid root, it sets the effective uid back to the | |
2149 | * uid. We don't just make perl setuid root because that loses the | |
2150 | * effective uid we had before invoking perl, if it was different from the | |
2151 | * uid. | |
13281fa4 LW |
2152 | * |
2153 | * DOSUID must be defined in both perl and suidperl, and IAMSUID must | |
2154 | * be defined in suidperl only. suidperl must be setuid root. The | |
2155 | * Configure script will set this up for you if you want it. | |
2156 | */ | |
a687059c | 2157 | |
13281fa4 | 2158 | #ifdef DOSUID |
ea0efc06 | 2159 | dTHR; |
6e72f9df | 2160 | char *s, *s2; |
a0d0e21e | 2161 | |
6ad3d225 | 2162 | if (PerlLIO_fstat(PerlIO_fileno(rsfp),&statbuf) < 0) /* normal stat is insecure */ |
463ee0b2 | 2163 | croak("Can't stat script \"%s\"",origfilename); |
96436eeb | 2164 | if (fdscript < 0 && statbuf.st_mode & (S_ISUID|S_ISGID)) { |
79072805 | 2165 | I32 len; |
13281fa4 | 2166 | |
a687059c | 2167 | #ifdef IAMSUID |
fe14fcc3 | 2168 | #ifndef HAS_SETREUID |
a687059c LW |
2169 | /* On this access check to make sure the directories are readable, |
2170 | * there is actually a small window that the user could use to make | |
2171 | * filename point to an accessible directory. So there is a faint | |
2172 | * chance that someone could execute a setuid script down in a | |
2173 | * non-accessible directory. I don't know what to do about that. | |
2174 | * But I don't think it's too important. The manual lies when | |
2175 | * it says access() is useful in setuid programs. | |
2176 | */ | |
6ad3d225 | 2177 | if (PerlLIO_access(SvPVX(GvSV(curcop->cop_filegv)),1)) /*double check*/ |
463ee0b2 | 2178 | croak("Permission denied"); |
a687059c LW |
2179 | #else |
2180 | /* If we can swap euid and uid, then we can determine access rights | |
2181 | * with a simple stat of the file, and then compare device and | |
2182 | * inode to make sure we did stat() on the same file we opened. | |
2183 | * Then we just have to make sure he or she can execute it. | |
2184 | */ | |
2185 | { | |
2186 | struct stat tmpstatbuf; | |
2187 | ||
85e6fe83 LW |
2188 | if ( |
2189 | #ifdef HAS_SETREUID | |
2190 | setreuid(euid,uid) < 0 | |
a0d0e21e LW |
2191 | #else |
2192 | # if HAS_SETRESUID | |
85e6fe83 | 2193 | setresuid(euid,uid,(Uid_t)-1) < 0 |
a0d0e21e | 2194 | # endif |
85e6fe83 | 2195 | #endif |
76e3520e | 2196 | || PerlProc_getuid() != euid || PerlProc_geteuid() != uid) |
463ee0b2 | 2197 | croak("Can't swap uid and euid"); /* really paranoid */ |
76e3520e | 2198 | if (PerlLIO_stat(SvPVX(GvSV(curcop->cop_filegv)),&tmpstatbuf) < 0) |
463ee0b2 | 2199 | croak("Permission denied"); /* testing full pathname here */ |
a687059c LW |
2200 | if (tmpstatbuf.st_dev != statbuf.st_dev || |
2201 | tmpstatbuf.st_ino != statbuf.st_ino) { | |
760ac839 | 2202 | (void)PerlIO_close(rsfp); |
6ad3d225 | 2203 | if (rsfp = PerlProc_popen("/bin/mail root","w")) { /* heh, heh */ |
760ac839 | 2204 | PerlIO_printf(rsfp, |
ff0cee69 | 2205 | "User %ld tried to run dev %ld ino %ld in place of dev %ld ino %ld!\n\ |
2206 | (Filename of set-id script was %s, uid %ld gid %ld.)\n\nSincerely,\nperl\n", | |
2207 | (long)uid,(long)tmpstatbuf.st_dev, (long)tmpstatbuf.st_ino, | |
2208 | (long)statbuf.st_dev, (long)statbuf.st_ino, | |
463ee0b2 | 2209 | SvPVX(GvSV(curcop->cop_filegv)), |
ff0cee69 | 2210 | (long)statbuf.st_uid, (long)statbuf.st_gid); |
6ad3d225 | 2211 | (void)PerlProc_pclose(rsfp); |
a687059c | 2212 | } |
463ee0b2 | 2213 | croak("Permission denied\n"); |
a687059c | 2214 | } |
85e6fe83 LW |
2215 | if ( |
2216 | #ifdef HAS_SETREUID | |
2217 | setreuid(uid,euid) < 0 | |
a0d0e21e LW |
2218 | #else |
2219 | # if defined(HAS_SETRESUID) | |
85e6fe83 | 2220 | setresuid(uid,euid,(Uid_t)-1) < 0 |
a0d0e21e | 2221 | # endif |
85e6fe83 | 2222 | #endif |
76e3520e | 2223 | || PerlProc_getuid() != uid || PerlProc_geteuid() != euid) |
463ee0b2 | 2224 | croak("Can't reswap uid and euid"); |
27e2fb84 | 2225 | if (!cando(S_IXUSR,FALSE,&statbuf)) /* can real uid exec? */ |
463ee0b2 | 2226 | croak("Permission denied\n"); |
a687059c | 2227 | } |
fe14fcc3 | 2228 | #endif /* HAS_SETREUID */ |
a687059c LW |
2229 | #endif /* IAMSUID */ |
2230 | ||
27e2fb84 | 2231 | if (!S_ISREG(statbuf.st_mode)) |
463ee0b2 | 2232 | croak("Permission denied"); |
27e2fb84 | 2233 | if (statbuf.st_mode & S_IWOTH) |
463ee0b2 | 2234 | croak("Setuid/gid script is writable by world"); |
13281fa4 | 2235 | doswitches = FALSE; /* -s is insecure in suid */ |
79072805 | 2236 | curcop->cop_line++; |
760ac839 LW |
2237 | if (sv_gets(linestr, rsfp, 0) == Nullch || |
2238 | strnNE(SvPV(linestr,na),"#!",2) ) /* required even on Sys V */ | |
463ee0b2 | 2239 | croak("No #! line"); |
760ac839 | 2240 | s = SvPV(linestr,na)+2; |
663a0e37 | 2241 | if (*s == ' ') s++; |
45d8adaa | 2242 | while (!isSPACE(*s)) s++; |
760ac839 | 2243 | for (s2 = s; (s2 > SvPV(linestr,na)+2 && |
6e72f9df | 2244 | (isDIGIT(s2[-1]) || strchr("._-", s2[-1]))); s2--) ; |
2245 | if (strnNE(s2-4,"perl",4) && strnNE(s-9,"perl",4)) /* sanity check */ | |
463ee0b2 | 2246 | croak("Not a perl script"); |
a687059c | 2247 | while (*s == ' ' || *s == '\t') s++; |
13281fa4 LW |
2248 | /* |
2249 | * #! arg must be what we saw above. They can invoke it by | |
2250 | * mentioning suidperl explicitly, but they may not add any strange | |
2251 | * arguments beyond what #! says if they do invoke suidperl that way. | |
2252 | */ | |
2253 | len = strlen(validarg); | |
2254 | if (strEQ(validarg," PHOOEY ") || | |
45d8adaa | 2255 | strnNE(s,validarg,len) || !isSPACE(s[len])) |
463ee0b2 | 2256 | croak("Args must match #! line"); |
a687059c LW |
2257 | |
2258 | #ifndef IAMSUID | |
2259 | if (euid != uid && (statbuf.st_mode & S_ISUID) && | |
2260 | euid == statbuf.st_uid) | |
2261 | if (!do_undump) | |
463ee0b2 | 2262 | croak("YOU HAVEN'T DISABLED SET-ID SCRIPTS IN THE KERNEL YET!\n\ |
a687059c LW |
2263 | FIX YOUR KERNEL, PUT A C WRAPPER AROUND THIS SCRIPT, OR USE -u AND UNDUMP!\n"); |
2264 | #endif /* IAMSUID */ | |
13281fa4 LW |
2265 | |
2266 | if (euid) { /* oops, we're not the setuid root perl */ | |
760ac839 | 2267 | (void)PerlIO_close(rsfp); |
13281fa4 | 2268 | #ifndef IAMSUID |
46fc3d4c | 2269 | /* try again */ |
6ad3d225 | 2270 | PerlProc_execv(form("%s/sperl%s", BIN_EXP, patchlevel), origargv); |
13281fa4 | 2271 | #endif |
463ee0b2 | 2272 | croak("Can't do setuid\n"); |
13281fa4 LW |
2273 | } |
2274 | ||
83025b21 | 2275 | if (statbuf.st_mode & S_ISGID && statbuf.st_gid != egid) { |
fe14fcc3 | 2276 | #ifdef HAS_SETEGID |
a687059c LW |
2277 | (void)setegid(statbuf.st_gid); |
2278 | #else | |
fe14fcc3 | 2279 | #ifdef HAS_SETREGID |
85e6fe83 LW |
2280 | (void)setregid((Gid_t)-1,statbuf.st_gid); |
2281 | #else | |
2282 | #ifdef HAS_SETRESGID | |
2283 | (void)setresgid((Gid_t)-1,statbuf.st_gid,(Gid_t)-1); | |
a687059c | 2284 | #else |
76e3520e | 2285 | PerlProc_setgid(statbuf.st_gid); |
a687059c LW |
2286 | #endif |
2287 | #endif | |
85e6fe83 | 2288 | #endif |
76e3520e | 2289 | if (PerlProc_getegid() != statbuf.st_gid) |
463ee0b2 | 2290 | croak("Can't do setegid!\n"); |
83025b21 | 2291 | } |
a687059c LW |
2292 | if (statbuf.st_mode & S_ISUID) { |
2293 | if (statbuf.st_uid != euid) | |
fe14fcc3 | 2294 | #ifdef HAS_SETEUID |
a687059c LW |
2295 | (void)seteuid(statbuf.st_uid); /* all that for this */ |
2296 | #else | |
fe14fcc3 | 2297 | #ifdef HAS_SETREUID |
85e6fe83 LW |
2298 | (void)setreuid((Uid_t)-1,statbuf.st_uid); |
2299 | #else | |
2300 | #ifdef HAS_SETRESUID | |
2301 | (void)setresuid((Uid_t)-1,statbuf.st_uid,(Uid_t)-1); | |
a687059c | 2302 | #else |
76e3520e | 2303 | PerlProc_setuid(statbuf.st_uid); |
a687059c LW |
2304 | #endif |
2305 | #endif | |
85e6fe83 | 2306 | #endif |
76e3520e | 2307 | if (PerlProc_geteuid() != statbuf.st_uid) |
463ee0b2 | 2308 | croak("Can't do seteuid!\n"); |
a687059c | 2309 | } |
83025b21 | 2310 | else if (uid) { /* oops, mustn't run as root */ |
fe14fcc3 | 2311 | #ifdef HAS_SETEUID |
85e6fe83 | 2312 | (void)seteuid((Uid_t)uid); |
a687059c | 2313 | #else |
fe14fcc3 | 2314 | #ifdef HAS_SETREUID |
85e6fe83 | 2315 | (void)setreuid((Uid_t)-1,(Uid_t)uid); |
a687059c | 2316 | #else |
85e6fe83 LW |
2317 | #ifdef HAS_SETRESUID |
2318 | (void)setresuid((Uid_t)-1,(Uid_t)uid,(Uid_t)-1); | |
2319 | #else | |
76e3520e | 2320 | PerlProc_setuid((Uid_t)uid); |
85e6fe83 | 2321 | #endif |
a687059c LW |
2322 | #endif |
2323 | #endif | |
76e3520e | 2324 | if (PerlProc_geteuid() != uid) |
463ee0b2 | 2325 | croak("Can't do seteuid!\n"); |
83025b21 | 2326 | } |
748a9306 | 2327 | init_ids(); |
27e2fb84 | 2328 | if (!cando(S_IXUSR,TRUE,&statbuf)) |
463ee0b2 | 2329 | croak("Permission denied\n"); /* they can't do this */ |
13281fa4 LW |
2330 | } |
2331 | #ifdef IAMSUID | |
2332 | else if (preprocess) | |
463ee0b2 | 2333 | croak("-P not allowed for setuid/setgid script\n"); |
96436eeb | 2334 | else if (fdscript >= 0) |
2335 | croak("fd script not allowed in suidperl\n"); | |
13281fa4 | 2336 | else |
463ee0b2 | 2337 | croak("Script is not setuid/setgid in suidperl\n"); |
96436eeb | 2338 | |
2339 | /* We absolutely must clear out any saved ids here, so we */ | |
2340 | /* exec the real perl, substituting fd script for scriptname. */ | |
2341 | /* (We pass script name as "subdir" of fd, which perl will grok.) */ | |
760ac839 | 2342 | PerlIO_rewind(rsfp); |
6ad3d225 | 2343 | PerlLIO_lseek(PerlIO_fileno(rsfp),(Off_t)0,0); /* just in case rewind didn't */ |
96436eeb | 2344 | for (which = 1; origargv[which] && origargv[which] != scriptname; which++) ; |
2345 | if (!origargv[which]) | |
2346 | croak("Permission denied"); | |
46fc3d4c | 2347 | origargv[which] = savepv(form("/dev/fd/%d/%s", |
2348 | PerlIO_fileno(rsfp), origargv[which])); | |
96436eeb | 2349 | #if defined(HAS_FCNTL) && defined(F_SETFD) |
760ac839 | 2350 | fcntl(PerlIO_fileno(rsfp),F_SETFD,0); /* ensure no close-on-exec */ |
96436eeb | 2351 | #endif |
6ad3d225 | 2352 | PerlProc_execv(form("%s/perl%s", BIN_EXP, patchlevel), origargv); /* try again */ |
96436eeb | 2353 | croak("Can't do setuid\n"); |
13281fa4 | 2354 | #endif /* IAMSUID */ |
a687059c | 2355 | #else /* !DOSUID */ |
a687059c LW |
2356 | if (euid != uid || egid != gid) { /* (suidperl doesn't exist, in fact) */ |
2357 | #ifndef SETUID_SCRIPTS_ARE_SECURE_NOW | |
96827780 | 2358 | dTHR; |
6ad3d225 | 2359 | PerlLIO_fstat(PerlIO_fileno(rsfp),&statbuf); /* may be either wrapped or real suid */ |
a687059c LW |
2360 | if ((euid != uid && euid == statbuf.st_uid && statbuf.st_mode & S_ISUID) |
2361 | || | |
2362 | (egid != gid && egid == statbuf.st_gid && statbuf.st_mode & S_ISGID) | |
2363 | ) | |
2364 | if (!do_undump) | |
463ee0b2 | 2365 | croak("YOU HAVEN'T DISABLED SET-ID SCRIPTS IN THE KERNEL YET!\n\ |
a687059c LW |
2366 | FIX YOUR KERNEL, PUT A C WRAPPER AROUND THIS SCRIPT, OR USE -u AND UNDUMP!\n"); |
2367 | #endif /* SETUID_SCRIPTS_ARE_SECURE_NOW */ | |
2368 | /* not set-id, must be wrapped */ | |
a687059c | 2369 | } |
13281fa4 | 2370 | #endif /* DOSUID */ |
79072805 | 2371 | } |
13281fa4 | 2372 | |
76e3520e | 2373 | STATIC void |
8ac85365 | 2374 | find_beginning(void) |
79072805 | 2375 | { |
6e72f9df | 2376 | register char *s, *s2; |
33b78306 LW |
2377 | |
2378 | /* skip forward in input to the real script? */ | |
2379 | ||
bbce6d69 | 2380 | forbid_setid("-x"); |
33b78306 | 2381 | while (doextract) { |
79072805 | 2382 | if ((s = sv_gets(linestr, rsfp, 0)) == Nullch) |
463ee0b2 | 2383 | croak("No Perl script found in input\n"); |
6e72f9df | 2384 | if (*s == '#' && s[1] == '!' && (s = instr(s,"perl"))) { |
760ac839 | 2385 | PerlIO_ungetc(rsfp, '\n'); /* to keep line count right */ |
33b78306 | 2386 | doextract = FALSE; |
6e72f9df | 2387 | while (*s && !(isSPACE (*s) || *s == '#')) s++; |
2388 | s2 = s; | |
2389 | while (*s == ' ' || *s == '\t') s++; | |
2390 | if (*s++ == '-') { | |
2391 | while (isDIGIT(s2[-1]) || strchr("-._", s2[-1])) s2--; | |
2392 | if (strnEQ(s2-4,"perl",4)) | |
2393 | /*SUPPRESS 530*/ | |
2394 | while (s = moreswitches(s)) ; | |
33b78306 | 2395 | } |
6ad3d225 | 2396 | if (cddir && PerlDir_chdir(cddir) < 0) |
463ee0b2 | 2397 | croak("Can't chdir to %s",cddir); |
83025b21 LW |
2398 | } |
2399 | } | |
2400 | } | |
2401 | ||
76e3520e | 2402 | STATIC void |
8ac85365 | 2403 | init_ids(void) |
352d5a3a | 2404 | { |
76e3520e GS |
2405 | uid = (int)PerlProc_getuid(); |
2406 | euid = (int)PerlProc_geteuid(); | |
2407 | gid = (int)PerlProc_getgid(); | |
2408 | egid = (int)PerlProc_getegid(); | |
748a9306 LW |
2409 | #ifdef VMS |
2410 | uid |= gid << 16; | |
2411 | euid |= egid << 16; | |
2412 | #endif | |
4633a7c4 | 2413 | tainting |= (uid && (euid != uid || egid != gid)); |
748a9306 | 2414 | } |
79072805 | 2415 | |
76e3520e | 2416 | STATIC void |
8ac85365 | 2417 | forbid_setid(char *s) |
bbce6d69 | 2418 | { |
2419 | if (euid != uid) | |
2420 | croak("No %s allowed while running setuid", s); | |
2421 | if (egid != gid) | |
2422 | croak("No %s allowed while running setgid", s); | |
2423 | } | |
2424 | ||
76e3520e | 2425 | STATIC void |
8ac85365 | 2426 | init_debugger(void) |
748a9306 | 2427 | { |
11343788 | 2428 | dTHR; |
79072805 | 2429 | curstash = debstash; |
748a9306 | 2430 | dbargs = GvAV(gv_AVadd((gv_fetchpv("args", GV_ADDMULTI, SVt_PVAV)))); |
79072805 | 2431 | AvREAL_off(dbargs); |
a0d0e21e LW |
2432 | DBgv = gv_fetchpv("DB", GV_ADDMULTI, SVt_PVGV); |
2433 | DBline = gv_fetchpv("dbline", GV_ADDMULTI, SVt_PVAV); | |
748a9306 LW |
2434 | DBsub = gv_HVadd(gv_fetchpv("sub", GV_ADDMULTI, SVt_PVHV)); |
2435 | DBsingle = GvSV((gv_fetchpv("single", GV_ADDMULTI, SVt_PV))); | |
c07a80fd | 2436 | sv_setiv(DBsingle, 0); |
748a9306 | 2437 | DBtrace = GvSV((gv_fetchpv("trace", GV_ADDMULTI, SVt_PV))); |
c07a80fd | 2438 | sv_setiv(DBtrace, 0); |
748a9306 | 2439 | DBsignal = GvSV((gv_fetchpv("signal", GV_ADDMULTI, SVt_PV))); |
c07a80fd | 2440 | sv_setiv(DBsignal, 0); |
79072805 | 2441 | curstash = defstash; |
352d5a3a LW |
2442 | } |
2443 | ||
11343788 | 2444 | void |
8ac85365 | 2445 | init_stacks(ARGSproto) |
79072805 | 2446 | { |
6e72f9df | 2447 | curstack = newAV(); |
5f05dabc | 2448 | mainstack = curstack; /* remember in case we switch stacks */ |
2449 | AvREAL_off(curstack); /* not a real array */ | |
6e72f9df | 2450 | av_extend(curstack,127); |
79072805 | 2451 | |
6e72f9df | 2452 | stack_base = AvARRAY(curstack); |
79072805 | 2453 | stack_sp = stack_base; |
8990e307 | 2454 | stack_max = stack_base + 127; |
79072805 | 2455 | |
c09156bb MB |
2456 | cxstack_max = 8192 / sizeof(PERL_CONTEXT) - 2; /* Use most of 8K. */ |
2457 | New(50,cxstack,cxstack_max + 1,PERL_CONTEXT); | |
8990e307 | 2458 | cxstack_ix = -1; |
8990e307 LW |
2459 | |
2460 | New(50,tmps_stack,128,SV*); | |
6d4ff0d2 | 2461 | tmps_floor = -1; |
8990e307 LW |
2462 | tmps_ix = -1; |
2463 | tmps_max = 128; | |
2464 | ||
5f05dabc | 2465 | /* |
2466 | * The following stacks almost certainly should be per-interpreter, | |
2467 | * but for now they're not. XXX | |
2468 | */ | |
2469 | ||
6e72f9df | 2470 | if (markstack) { |
2471 | markstack_ptr = markstack; | |
2472 | } else { | |
2473 | New(54,markstack,64,I32); | |
2474 | markstack_ptr = markstack; | |
2475 | markstack_max = markstack + 64; | |
2476 | } | |
79072805 | 2477 | |
6e72f9df | 2478 | if (scopestack) { |
2479 | scopestack_ix = 0; | |
2480 | } else { | |
2481 | New(54,scopestack,32,I32); | |
2482 | scopestack_ix = 0; | |
2483 | scopestack_max = 32; | |
2484 | } | |
79072805 | 2485 | |
6e72f9df | 2486 | if (savestack) { |
2487 | savestack_ix = 0; | |
2488 | } else { | |
2489 | New(54,savestack,128,ANY); | |
2490 | savestack_ix = 0; | |
2491 | savestack_max = 128; | |
2492 | } | |
79072805 | 2493 | |
6e72f9df | 2494 | if (retstack) { |
2495 | retstack_ix = 0; | |
2496 | } else { | |
2497 | New(54,retstack,16,OP*); | |
2498 | retstack_ix = 0; | |
2499 | retstack_max = 16; | |
5f05dabc | 2500 | } |
378cc40b | 2501 | } |
33b78306 | 2502 | |
76e3520e | 2503 | STATIC void |
8ac85365 | 2504 | nuke_stacks(void) |
6e72f9df | 2505 | { |
e858de61 | 2506 | dTHR; |
6e72f9df | 2507 | Safefree(cxstack); |
2508 | Safefree(tmps_stack); | |
5f05dabc | 2509 | DEBUG( { |
2510 | Safefree(debname); | |
2511 | Safefree(debdelim); | |
2512 | } ) | |
378cc40b | 2513 | } |
33b78306 | 2514 | |
76e3520e | 2515 | #ifndef PERL_OBJECT |
760ac839 | 2516 | static PerlIO *tmpfp; /* moved outside init_lexer() because of UNICOS bug */ |
76e3520e | 2517 | #endif |
7aa04957 | 2518 | |
76e3520e | 2519 | STATIC void |
8ac85365 | 2520 | init_lexer(void) |
8990e307 | 2521 | { |
76e3520e GS |
2522 | #ifdef PERL_OBJECT |
2523 | PerlIO *tmpfp; | |
2524 | #endif | |
a0d0e21e | 2525 | tmpfp = rsfp; |
90248788 | 2526 | rsfp = Nullfp; |
8990e307 LW |
2527 | lex_start(linestr); |
2528 | rsfp = tmpfp; | |
2529 | subname = newSVpv("main",4); | |
2530 | } | |
2531 | ||
76e3520e | 2532 | STATIC void |
8ac85365 | 2533 | init_predump_symbols(void) |
45d8adaa | 2534 | { |
11343788 | 2535 | dTHR; |
93a17b20 | 2536 | GV *tmpgv; |
a0d0e21e | 2537 | GV *othergv; |
79072805 | 2538 | |
e1c148c2 | 2539 | sv_setpvn(perl_get_sv("\"", TRUE), " ", 1); |
85e6fe83 | 2540 | stdingv = gv_fetchpv("STDIN",TRUE, SVt_PVIO); |
a5f75d66 | 2541 | GvMULTI_on(stdingv); |
760ac839 | 2542 | IoIFP(GvIOp(stdingv)) = PerlIO_stdin(); |
adbc6bb1 | 2543 | tmpgv = gv_fetchpv("stdin",TRUE, SVt_PV); |
a5f75d66 | 2544 | GvMULTI_on(tmpgv); |
a0d0e21e | 2545 | GvIOp(tmpgv) = (IO*)SvREFCNT_inc(GvIOp(stdingv)); |
79072805 | 2546 | |
85e6fe83 | 2547 | tmpgv = gv_fetchpv("STDOUT",TRUE, SVt_PVIO); |
a5f75d66 | 2548 | GvMULTI_on(tmpgv); |
760ac839 | 2549 | IoOFP(GvIOp(tmpgv)) = IoIFP(GvIOp(tmpgv)) = PerlIO_stdout(); |
4633a7c4 | 2550 | setdefout(tmpgv); |
adbc6bb1 | 2551 | tmpgv = gv_fetchpv("stdout",TRUE, SVt_PV); |
a5f75d66 | 2552 | GvMULTI_on(tmpgv); |
a0d0e21e | 2553 | GvIOp(tmpgv) = (IO*)SvREFCNT_inc(GvIOp(defoutgv)); |
79072805 | 2554 | |
a0d0e21e | 2555 | othergv = gv_fetchpv("STDERR",TRUE, SVt_PVIO); |
a5f75d66 | 2556 | GvMULTI_on(othergv); |
760ac839 | 2557 | IoOFP(GvIOp(othergv)) = IoIFP(GvIOp(othergv)) = PerlIO_stderr(); |
adbc6bb1 | 2558 | tmpgv = gv_fetchpv("stderr",TRUE, SVt_PV); |
a5f75d66 | 2559 | GvMULTI_on(tmpgv); |
a0d0e21e | 2560 | GvIOp(tmpgv) = (IO*)SvREFCNT_inc(GvIOp(othergv)); |
79072805 LW |
2561 | |
2562 | statname = NEWSV(66,0); /* last filename we did stat on */ | |
ab821d7f | 2563 | |
6e72f9df | 2564 | if (!osname) |
2565 | osname = savepv(OSNAME); | |
79072805 | 2566 | } |
33b78306 | 2567 | |
76e3520e | 2568 | STATIC void |
8ac85365 | 2569 | init_postdump_symbols(register int argc, register char **argv, register char **env) |
33b78306 | 2570 | { |
a863c7d1 | 2571 | dTHR; |
79072805 LW |
2572 | char *s; |
2573 | SV *sv; | |
2574 | GV* tmpgv; | |
fe14fcc3 | 2575 | |
79072805 LW |
2576 | argc--,argv++; /* skip name of script */ |
2577 | if (doswitches) { | |
2578 | for (; argc > 0 && **argv == '-'; argc--,argv++) { | |
2579 | if (!argv[0][1]) | |
2580 | break; | |
2581 | if (argv[0][1] == '-') { | |
2582 | argc--,argv++; | |
2583 | break; | |
2584 | } | |
93a17b20 | 2585 | if (s = strchr(argv[0], '=')) { |
79072805 | 2586 | *s++ = '\0'; |
85e6fe83 | 2587 | sv_setpv(GvSV(gv_fetchpv(argv[0]+1,TRUE, SVt_PV)),s); |
79072805 LW |
2588 | } |
2589 | else | |
85e6fe83 | 2590 | sv_setiv(GvSV(gv_fetchpv(argv[0]+1,TRUE, SVt_PV)),1); |
fe14fcc3 | 2591 | } |
79072805 LW |
2592 | } |
2593 | toptarget = NEWSV(0,0); | |
2594 | sv_upgrade(toptarget, SVt_PVFM); | |
2595 | sv_setpvn(toptarget, "", 0); | |
748a9306 | 2596 | bodytarget = NEWSV(0,0); |
79072805 LW |
2597 | sv_upgrade(bodytarget, SVt_PVFM); |
2598 | sv_setpvn(bodytarget, "", 0); | |
2599 | formtarget = bodytarget; | |
2600 | ||
bbce6d69 | 2601 | TAINT; |
85e6fe83 | 2602 | if (tmpgv = gv_fetchpv("0",TRUE, SVt_PV)) { |
79072805 LW |
2603 | sv_setpv(GvSV(tmpgv),origfilename); |
2604 | magicname("0", "0", 1); | |
2605 | } | |
85e6fe83 | 2606 | if (tmpgv = gv_fetchpv("\030",TRUE, SVt_PV)) |
79072805 | 2607 | sv_setpv(GvSV(tmpgv),origargv[0]); |
85e6fe83 | 2608 | if (argvgv = gv_fetchpv("ARGV",TRUE, SVt_PVAV)) { |
a5f75d66 | 2609 | GvMULTI_on(argvgv); |
79072805 LW |
2610 | (void)gv_AVadd(argvgv); |
2611 | av_clear(GvAVn(argvgv)); | |
2612 | for (; argc > 0; argc--,argv++) { | |
a0d0e21e | 2613 | av_push(GvAVn(argvgv),newSVpv(argv[0],0)); |
79072805 LW |
2614 | } |
2615 | } | |
85e6fe83 | 2616 | if (envgv = gv_fetchpv("ENV",TRUE, SVt_PVHV)) { |
79072805 | 2617 | HV *hv; |
a5f75d66 | 2618 | GvMULTI_on(envgv); |
79072805 | 2619 | hv = GvHVn(envgv); |
5aabfad6 | 2620 | hv_magic(hv, envgv, 'E'); |
a0d0e21e | 2621 | #ifndef VMS /* VMS doesn't have environ array */ |
4633a7c4 LW |
2622 | /* Note that if the supplied env parameter is actually a copy |
2623 | of the global environ then it may now point to free'd memory | |
2624 | if the environment has been modified since. To avoid this | |
2625 | problem we treat env==NULL as meaning 'use the default' | |
2626 | */ | |
2627 | if (!env) | |
2628 | env = environ; | |
5aabfad6 | 2629 | if (env != environ) |
79072805 LW |
2630 | environ[0] = Nullch; |
2631 | for (; *env; env++) { | |
93a17b20 | 2632 | if (!(s = strchr(*env,'='))) |
79072805 LW |
2633 | continue; |
2634 | *s++ = '\0'; | |
39e571d4 | 2635 | #if defined(WIN32) || defined(MSDOS) |
137443ea | 2636 | (void)strupr(*env); |
2637 | #endif | |
79072805 LW |
2638 | sv = newSVpv(s--,0); |
2639 | (void)hv_store(hv, *env, s - *env, sv, 0); | |
2640 | *s = '='; | |
3e3baf6d TB |
2641 | #if defined(__BORLANDC__) && defined(USE_WIN32_RTL_ENV) |
2642 | /* Sins of the RTL. See note in my_setenv(). */ | |
76e3520e | 2643 | (void)PerlEnv_putenv(savepv(*env)); |
3e3baf6d | 2644 | #endif |
fe14fcc3 | 2645 | } |
4550b24a | 2646 | #endif |
2647 | #ifdef DYNAMIC_ENV_FETCH | |
2648 | HvNAME(hv) = savepv(ENV_HV_NAME); | |
2649 | #endif | |
79072805 | 2650 | } |
bbce6d69 | 2651 | TAINT_NOT; |
85e6fe83 | 2652 | if (tmpgv = gv_fetchpv("$",TRUE, SVt_PV)) |
1e422769 | 2653 | sv_setiv(GvSV(tmpgv), (IV)getpid()); |
33b78306 | 2654 | } |
34de22dd | 2655 | |
76e3520e | 2656 | STATIC void |
8ac85365 | 2657 | init_perllib(void) |
34de22dd | 2658 | { |
85e6fe83 LW |
2659 | char *s; |
2660 | if (!tainting) { | |
552a7a9b | 2661 | #ifndef VMS |
76e3520e | 2662 | s = PerlEnv_getenv("PERL5LIB"); |
85e6fe83 | 2663 | if (s) |
774d564b | 2664 | incpush(s, TRUE); |
85e6fe83 | 2665 | else |
76e3520e | 2666 | incpush(PerlEnv_getenv("PERLLIB"), FALSE); |
552a7a9b | 2667 | #else /* VMS */ |
2668 | /* Treat PERL5?LIB as a possible search list logical name -- the | |
2669 | * "natural" VMS idiom for a Unix path string. We allow each | |
2670 | * element to be a set of |-separated directories for compatibility. | |
2671 | */ | |
2672 | char buf[256]; | |
2673 | int idx = 0; | |
2674 | if (my_trnlnm("PERL5LIB",buf,0)) | |
774d564b | 2675 | do { incpush(buf,TRUE); } while (my_trnlnm("PERL5LIB",buf,++idx)); |
552a7a9b | 2676 | else |
774d564b | 2677 | while (my_trnlnm("PERLLIB",buf,idx++)) incpush(buf,FALSE); |
552a7a9b | 2678 | #endif /* VMS */ |
85e6fe83 | 2679 | } |
34de22dd | 2680 | |
c90c0ff4 | 2681 | /* Use the ~-expanded versions of APPLLIB (undocumented), |
dfe9444c | 2682 | ARCHLIB PRIVLIB SITEARCH and SITELIB |
df5cef82 | 2683 | */ |
4633a7c4 | 2684 | #ifdef APPLLIB_EXP |
774d564b | 2685 | incpush(APPLLIB_EXP, FALSE); |
16d20bd9 | 2686 | #endif |
4633a7c4 | 2687 | |
fed7345c | 2688 | #ifdef ARCHLIB_EXP |
774d564b | 2689 | incpush(ARCHLIB_EXP, FALSE); |
a0d0e21e | 2690 | #endif |
fed7345c AD |
2691 | #ifndef PRIVLIB_EXP |
2692 | #define PRIVLIB_EXP "/usr/local/lib/perl5:/usr/local/lib/perl" | |
34de22dd | 2693 | #endif |
774d564b | 2694 | incpush(PRIVLIB_EXP, FALSE); |
4633a7c4 LW |
2695 | |
2696 | #ifdef SITEARCH_EXP | |
774d564b | 2697 | incpush(SITEARCH_EXP, FALSE); |
4633a7c4 LW |
2698 | #endif |
2699 | #ifdef SITELIB_EXP | |
774d564b | 2700 | incpush(SITELIB_EXP, FALSE); |
4633a7c4 | 2701 | #endif |
4633a7c4 | 2702 | if (!tainting) |
774d564b | 2703 | incpush(".", FALSE); |
2704 | } | |
2705 | ||
2706 | #if defined(DOSISH) | |
2707 | # define PERLLIB_SEP ';' | |
2708 | #else | |
2709 | # if defined(VMS) | |
2710 | # define PERLLIB_SEP '|' | |
2711 | # else | |
2712 | # define PERLLIB_SEP ':' | |
2713 | # endif | |
2714 | #endif | |
2715 | #ifndef PERLLIB_MANGLE | |
2716 | # define PERLLIB_MANGLE(s,n) (s) | |
2717 | #endif | |
2718 | ||
76e3520e | 2719 | STATIC void |
8ac85365 | 2720 | incpush(char *p, int addsubdirs) |
774d564b | 2721 | { |
2722 | SV *subdir = Nullsv; | |
774d564b | 2723 | |
2724 | if (!p) | |
2725 | return; | |
2726 | ||
2727 | if (addsubdirs) { | |
8c52afec | 2728 | subdir = NEWSV(55,0); |
774d564b | 2729 | if (!archpat_auto) { |
2730 | STRLEN len = (sizeof(ARCHNAME) + strlen(patchlevel) | |
2731 | + sizeof("//auto")); | |
2732 | New(55, archpat_auto, len, char); | |
2733 | sprintf(archpat_auto, "/%s/%s/auto", ARCHNAME, patchlevel); | |
aa689395 | 2734 | #ifdef VMS |
2735 | for (len = sizeof(ARCHNAME) + 2; | |
2736 | archpat_auto[len] != '\0' && archpat_auto[len] != '/'; len++) | |
2737 | if (archpat_auto[len] == '.') archpat_auto[len] = '_'; | |
2738 | #endif | |
774d564b | 2739 | } |
2740 | } | |
2741 | ||
2742 | /* Break at all separators */ | |
2743 | while (p && *p) { | |
8c52afec | 2744 | SV *libdir = NEWSV(55,0); |
774d564b | 2745 | char *s; |
2746 | ||
2747 | /* skip any consecutive separators */ | |
2748 | while ( *p == PERLLIB_SEP ) { | |
2749 | /* Uncomment the next line for PATH semantics */ | |
2750 | /* av_push(GvAVn(incgv), newSVpv(".", 1)); */ | |
2751 | p++; | |
2752 | } | |
2753 | ||
2754 | if ( (s = strchr(p, PERLLIB_SEP)) != Nullch ) { | |
2755 | sv_setpvn(libdir, PERLLIB_MANGLE(p, (STRLEN)(s - p)), | |
2756 | (STRLEN)(s - p)); | |
2757 | p = s + 1; | |
2758 | } | |
2759 | else { | |
2760 | sv_setpv(libdir, PERLLIB_MANGLE(p, 0)); | |
2761 | p = Nullch; /* break out */ | |
2762 | } | |
2763 | ||
2764 | /* | |
2765 | * BEFORE pushing libdir onto @INC we may first push version- and | |
2766 | * archname-specific sub-directories. | |
2767 | */ | |
2768 | if (addsubdirs) { | |
2769 | struct stat tmpstatbuf; | |
aa689395 | 2770 | #ifdef VMS |
2771 | char *unix; | |
2772 | STRLEN len; | |
774d564b | 2773 | |
aa689395 | 2774 | if ((unix = tounixspec_ts(SvPV(libdir,na),Nullch)) != Nullch) { |
2775 | len = strlen(unix); | |
2776 | while (unix[len-1] == '/') len--; /* Cosmetic */ | |
2777 | sv_usepvn(libdir,unix,len); | |
2778 | } | |
2779 | else | |
2780 | PerlIO_printf(PerlIO_stderr(), | |
2781 | "Failed to unixify @INC element \"%s\"\n", | |
2782 | SvPV(libdir,na)); | |
2783 | #endif | |
4fdae800 | 2784 | /* .../archname/version if -d .../archname/version/auto */ |
774d564b | 2785 | sv_setsv(subdir, libdir); |
2786 | sv_catpv(subdir, archpat_auto); | |
76e3520e | 2787 | if (PerlLIO_stat(SvPVX(subdir), &tmpstatbuf) >= 0 && |
774d564b | 2788 | S_ISDIR(tmpstatbuf.st_mode)) |
2789 | av_push(GvAVn(incgv), | |
2790 | newSVpv(SvPVX(subdir), SvCUR(subdir) - sizeof "auto")); | |
2791 | ||
4fdae800 | 2792 | /* .../archname if -d .../archname/auto */ |
774d564b | 2793 | sv_insert(subdir, SvCUR(libdir) + sizeof(ARCHNAME), |
2794 | strlen(patchlevel) + 1, "", 0); | |
76e3520e | 2795 | if (PerlLIO_stat(SvPVX(subdir), &tmpstatbuf) >= 0 && |
774d564b | 2796 | S_ISDIR(tmpstatbuf.st_mode)) |
2797 | av_push(GvAVn(incgv), | |
2798 | newSVpv(SvPVX(subdir), SvCUR(subdir) - sizeof "auto")); | |
2799 | } | |
2800 | ||
2801 | /* finally push this lib directory on the end of @INC */ | |
2802 | av_push(GvAVn(incgv), libdir); | |
2803 | } | |
2804 | ||
2805 | SvREFCNT_dec(subdir); | |
34de22dd | 2806 | } |
93a17b20 | 2807 | |
199100c8 | 2808 | #ifdef USE_THREADS |
76e3520e | 2809 | STATIC struct perl_thread * |
199100c8 MB |
2810 | init_main_thread() |
2811 | { | |
52e1cb5e | 2812 | struct perl_thread *thr; |
199100c8 MB |
2813 | XPV *xpv; |
2814 | ||
52e1cb5e | 2815 | Newz(53, thr, 1, struct perl_thread); |
199100c8 MB |
2816 | curcop = &compiling; |
2817 | thr->cvcache = newHV(); | |
54b9620d | 2818 | thr->threadsv = newAV(); |
940cb80d | 2819 | /* thr->threadsvp is set when find_threadsv is called */ |
199100c8 | 2820 | thr->specific = newAV(); |
38a03e6e | 2821 | thr->errhv = newHV(); |
199100c8 MB |
2822 | thr->flags = THRf_R_JOINABLE; |
2823 | MUTEX_INIT(&thr->mutex); | |
2824 | /* Handcraft thrsv similarly to mess_sv */ | |
2825 | New(53, thrsv, 1, SV); | |
2826 | Newz(53, xpv, 1, XPV); | |
2827 | SvFLAGS(thrsv) = SVt_PV; | |
2828 | SvANY(thrsv) = (void*)xpv; | |
2829 | SvREFCNT(thrsv) = 1 << 30; /* practically infinite */ | |
2830 | SvPVX(thrsv) = (char*)thr; | |
2831 | SvCUR_set(thrsv, sizeof(thr)); | |
2832 | SvLEN_set(thrsv, sizeof(thr)); | |
2833 | *SvEND(thrsv) = '\0'; /* in the trailing_nul field */ | |
2834 | thr->oursv = thrsv; | |
2835 | curcop = &compiling; | |
2836 | chopset = " \n-"; | |
2837 | ||
2838 | MUTEX_LOCK(&threads_mutex); | |
2839 | nthreads++; | |
2840 | thr->tid = 0; | |
2841 | thr->next = thr; | |
2842 | thr->prev = thr; | |
2843 | MUTEX_UNLOCK(&threads_mutex); | |
2844 | ||
4b026b9e GS |
2845 | #ifdef HAVE_THREAD_INTERN |
2846 | init_thread_intern(thr); | |
235db74f GS |
2847 | #endif |
2848 | ||
2849 | #ifdef SET_THREAD_SELF | |
2850 | SET_THREAD_SELF(thr); | |
199100c8 MB |
2851 | #else |
2852 | thr->self = pthread_self(); | |
235db74f | 2853 | #endif /* SET_THREAD_SELF */ |
199100c8 MB |
2854 | SET_THR(thr); |
2855 | ||
2856 | /* | |
2857 | * These must come after the SET_THR because sv_setpvn does | |
2858 | * SvTAINT and the taint fields require dTHR. | |
2859 | */ | |
2860 | toptarget = NEWSV(0,0); | |
2861 | sv_upgrade(toptarget, SVt_PVFM); | |
2862 | sv_setpvn(toptarget, "", 0); | |
2863 | bodytarget = NEWSV(0,0); | |
2864 | sv_upgrade(bodytarget, SVt_PVFM); | |
2865 | sv_setpvn(bodytarget, "", 0); | |
2866 | formtarget = bodytarget; | |
2faa37cc | 2867 | thr->errsv = newSVpv("", 0); |
78857c3c | 2868 | (void) find_threadsv("@"); /* Ensure $@ is initialised early */ |
199100c8 MB |
2869 | return thr; |
2870 | } | |
2871 | #endif /* USE_THREADS */ | |
2872 | ||
93a17b20 | 2873 | void |
76e3520e | 2874 | call_list(I32 oldscope, AV *paramList) |
93a17b20 | 2875 | { |
11343788 | 2876 | dTHR; |
a0d0e21e | 2877 | line_t oldline = curcop->cop_line; |
22921e25 CS |
2878 | STRLEN len; |
2879 | dJMPENV; | |
2880 | int ret; | |
93a17b20 | 2881 | |
76e3520e GS |
2882 | while (AvFILL(paramList) >= 0) { |
2883 | CV *cv = (CV*)av_shift(paramList); | |
93a17b20 | 2884 | |
8990e307 | 2885 | SAVEFREESV(cv); |
a0d0e21e | 2886 | |
22921e25 CS |
2887 | JMPENV_PUSH(ret); |
2888 | switch (ret) { | |
748a9306 | 2889 | case 0: { |
38a03e6e | 2890 | SV* atsv = ERRSV; |
748a9306 LW |
2891 | PUSHMARK(stack_sp); |
2892 | perl_call_sv((SV*)cv, G_EVAL|G_DISCARD); | |
12f917ad | 2893 | (void)SvPV(atsv, len); |
748a9306 | 2894 | if (len) { |
54310121 | 2895 | JMPENV_POP; |
748a9306 LW |
2896 | curcop = &compiling; |
2897 | curcop->cop_line = oldline; | |
76e3520e | 2898 | if (paramList == beginav) |
12f917ad | 2899 | sv_catpv(atsv, "BEGIN failed--compilation aborted"); |
748a9306 | 2900 | else |
12f917ad | 2901 | sv_catpv(atsv, "END failed--cleanup aborted"); |
2ae324a7 | 2902 | while (scopestack_ix > oldscope) |
2903 | LEAVE; | |
12f917ad | 2904 | croak("%s", SvPVX(atsv)); |
748a9306 | 2905 | } |
a0d0e21e | 2906 | } |
85e6fe83 LW |
2907 | break; |
2908 | case 1: | |
f86702cc | 2909 | STATUS_ALL_FAILURE; |
85e6fe83 LW |
2910 | /* FALL THROUGH */ |
2911 | case 2: | |
2912 | /* my_exit() was called */ | |
2ae324a7 | 2913 | while (scopestack_ix > oldscope) |
2914 | LEAVE; | |
84902520 | 2915 | FREETMPS; |
85e6fe83 LW |
2916 | curstash = defstash; |
2917 | if (endav) | |
68dc0745 | 2918 | call_list(oldscope, endav); |
54310121 | 2919 | JMPENV_POP; |
a0d0e21e LW |
2920 | curcop = &compiling; |
2921 | curcop->cop_line = oldline; | |
85e6fe83 | 2922 | if (statusvalue) { |
76e3520e | 2923 | if (paramList == beginav) |
a0d0e21e | 2924 | croak("BEGIN failed--compilation aborted"); |
85e6fe83 | 2925 | else |
a0d0e21e | 2926 | croak("END failed--cleanup aborted"); |
85e6fe83 | 2927 | } |
f86702cc | 2928 | my_exit_jump(); |
85e6fe83 | 2929 | /* NOTREACHED */ |
85e6fe83 LW |
2930 | case 3: |
2931 | if (!restartop) { | |
760ac839 | 2932 | PerlIO_printf(PerlIO_stderr(), "panic: restartop\n"); |
a0d0e21e | 2933 | FREETMPS; |
85e6fe83 LW |
2934 | break; |
2935 | } | |
54310121 | 2936 | JMPENV_POP; |
a0d0e21e LW |
2937 | curcop = &compiling; |
2938 | curcop->cop_line = oldline; | |
54310121 | 2939 | JMPENV_JUMP(3); |
8990e307 | 2940 | } |
54310121 | 2941 | JMPENV_POP; |
93a17b20 | 2942 | } |
93a17b20 | 2943 | } |
93a17b20 | 2944 | |
f86702cc | 2945 | void |
8ac85365 | 2946 | my_exit(U32 status) |
f86702cc | 2947 | { |
5dc0d613 MB |
2948 | dTHR; |
2949 | ||
2950 | #ifdef USE_THREADS | |
a863c7d1 MB |
2951 | DEBUG_L(PerlIO_printf(Perl_debug_log, "my_exit: thread %p, status %lu\n", |
2952 | thr, (unsigned long) status)); | |
5dc0d613 | 2953 | #endif /* USE_THREADS */ |
f86702cc | 2954 | switch (status) { |
2955 | case 0: | |
2956 | STATUS_ALL_SUCCESS; | |
2957 | break; | |
2958 | case 1: | |
2959 | STATUS_ALL_FAILURE; | |
2960 | break; | |
2961 | default: | |
2962 | STATUS_NATIVE_SET(status); | |
2963 | break; | |
2964 | } | |
2965 | my_exit_jump(); | |
2966 | } | |
2967 | ||
2968 | void | |
8ac85365 | 2969 | my_failure_exit(void) |
f86702cc | 2970 | { |
2971 | #ifdef VMS | |
2972 | if (vaxc$errno & 1) { | |
4fdae800 | 2973 | if (STATUS_NATIVE & 1) /* fortuitiously includes "-1" */ |
2974 | STATUS_NATIVE_SET(44); | |
f86702cc | 2975 | } |
2976 | else { | |
ff0cee69 | 2977 | if (!vaxc$errno && errno) /* unlikely */ |
4fdae800 | 2978 | STATUS_NATIVE_SET(44); |
f86702cc | 2979 | else |
4fdae800 | 2980 | STATUS_NATIVE_SET(vaxc$errno); |
f86702cc | 2981 | } |
2982 | #else | |
2983 | if (errno & 255) | |
2984 | STATUS_POSIX_SET(errno); | |
2985 | else if (STATUS_POSIX == 0) | |
2986 | STATUS_POSIX_SET(255); | |
2987 | #endif | |
2988 | my_exit_jump(); | |
93a17b20 LW |
2989 | } |
2990 | ||
76e3520e | 2991 | STATIC void |
8ac85365 | 2992 | my_exit_jump(void) |
f86702cc | 2993 | { |
e858de61 | 2994 | dTHR; |
c09156bb | 2995 | register PERL_CONTEXT *cx; |
f86702cc | 2996 | I32 gimme; |
2997 | SV **newsp; | |
2998 | ||
2999 | if (e_tmpname) { | |
3000 | if (e_fp) { | |
3001 | PerlIO_close(e_fp); | |
3002 | e_fp = Nullfp; | |
3003 | } | |
3004 | (void)UNLINK(e_tmpname); | |
3005 | Safefree(e_tmpname); | |
3006 | e_tmpname = Nullch; | |
3007 | } | |
3008 | ||
3009 | if (cxstack_ix >= 0) { | |
3010 | if (cxstack_ix > 0) | |
3011 | dounwind(0); | |
3012 | POPBLOCK(cx,curpm); | |
3013 | LEAVE; | |
3014 | } | |
ff0cee69 | 3015 | |
54310121 | 3016 | JMPENV_JUMP(2); |
f86702cc | 3017 | } |
4e35701f | 3018 | |
aeea060c | 3019 | |
22239a37 | 3020 |