Commit | Line | Data |
---|---|---|
a0d0e21e LW |
1 | /* perl.c |
2 | * | |
9607fc9c | 3 | * Copyright (c) 1987-1997 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 | ||
a0d0e21e | 65 | static void find_beginning _((void)); |
bbce6d69 | 66 | static void forbid_setid _((char *)); |
774d564b | 67 | static void incpush _((char *, int)); |
748a9306 | 68 | static void init_ids _((void)); |
a0d0e21e LW |
69 | static void init_debugger _((void)); |
70 | static void init_lexer _((void)); | |
71 | static void init_main_stash _((void)); | |
199100c8 MB |
72 | #ifdef USE_THREADS |
73 | static struct thread * init_main_thread _((void)); | |
74 | #endif /* USE_THREADS */ | |
a0d0e21e LW |
75 | static void init_perllib _((void)); |
76 | static void init_postdump_symbols _((int, char **, char **)); | |
77 | static void init_predump_symbols _((void)); | |
f86702cc | 78 | static void my_exit_jump _((void)) __attribute__((noreturn)); |
6e72f9df | 79 | static void nuke_stacks _((void)); |
a0d0e21e | 80 | static void open_script _((char *, bool, SV *)); |
ab821d7f | 81 | static void usage _((char *)); |
96436eeb | 82 | static void validate_suid _((char *, char*)); |
83 | ||
84 | static int fdscript = -1; | |
79072805 | 85 | |
77a005ab MB |
86 | #if defined(DEBUGGING) && defined(USE_THREADS) && defined(__linux__) |
87 | #include <asm/sigcontext.h> | |
88 | static void | |
89 | catch_sigsegv(int signo, struct sigcontext_struct sc) | |
90 | { | |
91 | signal(SIGSEGV, SIG_DFL); | |
92 | fprintf(stderr, "Segmentation fault dereferencing 0x%lx\n" | |
93 | "return_address = 0x%lx, eip = 0x%lx\n", | |
94 | sc.cr2, __builtin_return_address(0), sc.eip); | |
95 | fprintf(stderr, "thread = 0x%lx\n", (unsigned long)THR); | |
96 | } | |
97 | #endif | |
98 | ||
93a17b20 | 99 | PerlInterpreter * |
8ac85365 | 100 | perl_alloc(void) |
79072805 | 101 | { |
93a17b20 | 102 | PerlInterpreter *sv_interp; |
79072805 | 103 | |
8990e307 | 104 | curinterp = 0; |
93a17b20 | 105 | New(53, sv_interp, 1, PerlInterpreter); |
79072805 LW |
106 | return sv_interp; |
107 | } | |
108 | ||
109 | void | |
8ac85365 | 110 | perl_construct(register PerlInterpreter *sv_interp) |
79072805 | 111 | { |
a863c7d1 MB |
112 | #ifdef USE_THREADS |
113 | int i; | |
114 | #ifndef FAKE_THREADS | |
11343788 | 115 | struct thread *thr; |
a863c7d1 MB |
116 | #endif /* FAKE_THREADS */ |
117 | #endif /* USE_THREADS */ | |
11343788 | 118 | |
79072805 LW |
119 | if (!(curinterp = sv_interp)) |
120 | return; | |
121 | ||
8990e307 | 122 | #ifdef MULTIPLICITY |
93a17b20 | 123 | Zero(sv_interp, 1, PerlInterpreter); |
8990e307 | 124 | #endif |
79072805 | 125 | |
33f46ff6 | 126 | /* Init the real globals (and main thread)? */ |
c116a00c | 127 | if (!linestr) { |
11343788 | 128 | #ifdef USE_THREADS |
8023c3ce | 129 | |
33f46ff6 | 130 | INIT_THREADS; |
0b9678a8 NIS |
131 | #ifdef ALLOC_THREAD_KEY |
132 | ALLOC_THREAD_KEY; | |
133 | #else | |
a863c7d1 MB |
134 | if (pthread_key_create(&thr_key, 0)) |
135 | croak("panic: pthread_key_create"); | |
aeea060c | 136 | #endif |
c116a00c MB |
137 | MUTEX_INIT(&malloc_mutex); |
138 | MUTEX_INIT(&sv_mutex); | |
a863c7d1 MB |
139 | /* |
140 | * Safe to use basic SV functions from now on (though | |
141 | * not things like mortals or tainting yet). | |
142 | */ | |
c116a00c MB |
143 | MUTEX_INIT(&eval_mutex); |
144 | COND_INIT(&eval_cond); | |
33f46ff6 | 145 | MUTEX_INIT(&threads_mutex); |
c116a00c | 146 | COND_INIT(&nthreads_cond); |
a863c7d1 | 147 | |
199100c8 | 148 | thr = init_main_thread(); |
11343788 MB |
149 | #endif /* USE_THREADS */ |
150 | ||
79072805 | 151 | linestr = NEWSV(65,80); |
ed6116ce | 152 | sv_upgrade(linestr,SVt_PVIV); |
79072805 | 153 | |
6e72f9df | 154 | if (!SvREADONLY(&sv_undef)) { |
155 | SvREADONLY_on(&sv_undef); | |
79072805 | 156 | |
6e72f9df | 157 | sv_setpv(&sv_no,No); |
158 | SvNV(&sv_no); | |
159 | SvREADONLY_on(&sv_no); | |
79072805 | 160 | |
6e72f9df | 161 | sv_setpv(&sv_yes,Yes); |
162 | SvNV(&sv_yes); | |
163 | SvREADONLY_on(&sv_yes); | |
164 | } | |
79072805 | 165 | |
c07a80fd | 166 | nrs = newSVpv("\n", 1); |
167 | rs = SvREFCNT_inc(nrs); | |
168 | ||
c23142e2 | 169 | sighandlerp = sighandler; |
44a8e56a | 170 | pidstatus = newHV(); |
171 | ||
79072805 LW |
172 | #ifdef MSDOS |
173 | /* | |
174 | * There is no way we can refer to them from Perl so close them to save | |
175 | * space. The other alternative would be to provide STDAUX and STDPRN | |
176 | * filehandles. | |
177 | */ | |
178 | (void)fclose(stdaux); | |
179 | (void)fclose(stdprn); | |
180 | #endif | |
181 | } | |
182 | ||
8990e307 | 183 | #ifdef MULTIPLICITY |
8ebc5c01 | 184 | I_REINIT; |
185 | perl_destruct_level = 1; | |
186 | #else | |
187 | if(perl_destruct_level > 0) | |
188 | I_REINIT; | |
79072805 LW |
189 | #endif |
190 | ||
748a9306 | 191 | init_ids(); |
fb73857a | 192 | lex_state = LEX_NOTPARSING; |
a5f75d66 | 193 | |
54310121 | 194 | start_env.je_prev = NULL; |
195 | start_env.je_ret = -1; | |
196 | start_env.je_mustcatch = TRUE; | |
197 | top_env = &start_env; | |
f86702cc | 198 | STATUS_ALL_SUCCESS; |
199 | ||
36477c24 | 200 | SET_NUMERIC_STANDARD(); |
a5f75d66 | 201 | #if defined(SUBVERSION) && SUBVERSION > 0 |
e2666263 | 202 | sprintf(patchlevel, "%7.5f", (double) 5 |
203 | + ((double) PATCHLEVEL / (double) 1000) | |
204 | + ((double) SUBVERSION / (double) 100000)); | |
a5f75d66 | 205 | #else |
e2666263 | 206 | sprintf(patchlevel, "%5.3f", (double) 5 + |
207 | ((double) PATCHLEVEL / (double) 1000)); | |
a5f75d66 | 208 | #endif |
79072805 | 209 | |
ab821d7f | 210 | #if defined(LOCAL_PATCH_COUNT) |
6e72f9df | 211 | localpatches = local_patches; /* For possible -v */ |
ab821d7f | 212 | #endif |
213 | ||
760ac839 LW |
214 | PerlIO_init(); /* Hook to IO system */ |
215 | ||
79072805 | 216 | fdpid = newAV(); /* for remembering popen pids by fd */ |
8990e307 | 217 | |
11343788 MB |
218 | init_stacks(ARGS); |
219 | DEBUG( { | |
220 | New(51,debname,128,char); | |
221 | New(52,debdelim,128,char); | |
222 | } ) | |
223 | ||
8990e307 | 224 | ENTER; |
79072805 LW |
225 | } |
226 | ||
227 | void | |
8ac85365 | 228 | perl_destruct(register PerlInterpreter *sv_interp) |
79072805 | 229 | { |
11343788 | 230 | dTHR; |
748a9306 | 231 | int destruct_level; /* 0=none, 1=full, 2=full with checks */ |
8990e307 | 232 | I32 last_sv_count; |
a0d0e21e | 233 | HV *hv; |
1f2bfc8a | 234 | #ifdef USE_THREADS |
33f46ff6 | 235 | Thread t; |
1f2bfc8a | 236 | #endif /* USE_THREADS */ |
8990e307 | 237 | |
79072805 LW |
238 | if (!(curinterp = sv_interp)) |
239 | return; | |
748a9306 | 240 | |
11343788 | 241 | #ifdef USE_THREADS |
0f15f207 | 242 | #ifndef FAKE_THREADS |
8023c3ce MB |
243 | /* Pass 1 on any remaining threads: detach joinables, join zombies */ |
244 | retry_cleanup: | |
33f46ff6 MB |
245 | MUTEX_LOCK(&threads_mutex); |
246 | DEBUG_L(PerlIO_printf(PerlIO_stderr(), | |
c7848ba1 | 247 | "perl_destruct: waiting for %d threads...\n", |
33f46ff6 MB |
248 | nthreads - 1)); |
249 | for (t = thr->next; t != thr; t = t->next) { | |
605e5515 MB |
250 | MUTEX_LOCK(&t->mutex); |
251 | switch (ThrSTATE(t)) { | |
252 | AV *av; | |
c7848ba1 MB |
253 | case THRf_ZOMBIE: |
254 | DEBUG_L(PerlIO_printf(PerlIO_stderr(), | |
255 | "perl_destruct: joining zombie %p\n", t)); | |
605e5515 MB |
256 | ThrSETSTATE(t, THRf_DEAD); |
257 | MUTEX_UNLOCK(&t->mutex); | |
258 | nthreads--; | |
8023c3ce MB |
259 | /* |
260 | * The SvREFCNT_dec below may take a long time (e.g. av | |
261 | * may contain an object scalar whose destructor gets | |
262 | * called) so we have to unlock threads_mutex and start | |
263 | * all over again. | |
264 | */ | |
605e5515 | 265 | MUTEX_UNLOCK(&threads_mutex); |
ea0efc06 | 266 | JOIN(t, &av); |
605e5515 | 267 | SvREFCNT_dec((SV*)av); |
c7848ba1 MB |
268 | DEBUG_L(PerlIO_printf(PerlIO_stderr(), |
269 | "perl_destruct: joined zombie %p OK\n", t)); | |
8023c3ce | 270 | goto retry_cleanup; |
c7848ba1 MB |
271 | case THRf_R_JOINABLE: |
272 | DEBUG_L(PerlIO_printf(PerlIO_stderr(), | |
273 | "perl_destruct: detaching thread %p\n", t)); | |
274 | ThrSETSTATE(t, THRf_R_DETACHED); | |
275 | /* | |
276 | * We unlock threads_mutex and t->mutex in the opposite order | |
277 | * from which we locked them just so that DETACH won't | |
278 | * deadlock if it panics. It's only a breach of good style | |
279 | * not a bug since they are unlocks not locks. | |
280 | */ | |
281 | MUTEX_UNLOCK(&threads_mutex); | |
282 | DETACH(t); | |
283 | MUTEX_UNLOCK(&t->mutex); | |
8023c3ce | 284 | goto retry_cleanup; |
c7848ba1 MB |
285 | default: |
286 | DEBUG_L(PerlIO_printf(PerlIO_stderr(), | |
287 | "perl_destruct: ignoring %p (state %u)\n", | |
288 | t, ThrSTATE(t))); | |
289 | MUTEX_UNLOCK(&t->mutex); | |
c7848ba1 | 290 | /* fall through and out */ |
33f46ff6 MB |
291 | } |
292 | } | |
8023c3ce MB |
293 | /* We leave the above "Pass 1" loop with threads_mutex still locked */ |
294 | ||
295 | /* Pass 2 on remaining threads: wait for the thread count to drop to one */ | |
11343788 MB |
296 | while (nthreads > 1) |
297 | { | |
33f46ff6 | 298 | DEBUG_L(PerlIO_printf(PerlIO_stderr(), |
c7848ba1 | 299 | "perl_destruct: final wait for %d threads\n", |
33f46ff6 MB |
300 | nthreads - 1)); |
301 | COND_WAIT(&nthreads_cond, &threads_mutex); | |
11343788 MB |
302 | } |
303 | /* At this point, we're the last thread */ | |
33f46ff6 | 304 | MUTEX_UNLOCK(&threads_mutex); |
d9f997d7 | 305 | DEBUG_L(PerlIO_printf(PerlIO_stderr(), "perl_destruct: armageddon has arrived\n")); |
33f46ff6 | 306 | MUTEX_DESTROY(&threads_mutex); |
11343788 | 307 | COND_DESTROY(&nthreads_cond); |
0f15f207 | 308 | #endif /* !defined(FAKE_THREADS) */ |
11343788 MB |
309 | #endif /* USE_THREADS */ |
310 | ||
748a9306 | 311 | destruct_level = perl_destruct_level; |
4633a7c4 LW |
312 | #ifdef DEBUGGING |
313 | { | |
314 | char *s; | |
5f05dabc | 315 | if (s = getenv("PERL_DESTRUCT_LEVEL")) { |
316 | int i = atoi(s); | |
317 | if (destruct_level < i) | |
318 | destruct_level = i; | |
319 | } | |
4633a7c4 LW |
320 | } |
321 | #endif | |
322 | ||
8990e307 | 323 | LEAVE; |
a0d0e21e LW |
324 | FREETMPS; |
325 | ||
ff0cee69 | 326 | /* We must account for everything. */ |
327 | ||
328 | /* Destroy the main CV and syntax tree */ | |
6e72f9df | 329 | if (main_root) { |
330 | curpad = AvARRAY(comppad); | |
331 | op_free(main_root); | |
ff0cee69 | 332 | main_root = Nullop; |
a0d0e21e | 333 | } |
ff0cee69 | 334 | main_start = Nullop; |
335 | SvREFCNT_dec(main_cv); | |
336 | main_cv = Nullcv; | |
337 | ||
a0d0e21e LW |
338 | if (sv_objcount) { |
339 | /* | |
340 | * Try to destruct global references. We do this first so that the | |
341 | * destructors and destructees still exist. Some sv's might remain. | |
342 | * Non-referenced objects are on their own. | |
343 | */ | |
344 | ||
345 | dirty = TRUE; | |
346 | sv_clean_objs(); | |
8990e307 LW |
347 | } |
348 | ||
5cd24f17 | 349 | /* unhook hooks which will soon be, or use, destroyed data */ |
350 | SvREFCNT_dec(warnhook); | |
351 | warnhook = Nullsv; | |
352 | SvREFCNT_dec(diehook); | |
353 | diehook = Nullsv; | |
354 | SvREFCNT_dec(parsehook); | |
355 | parsehook = Nullsv; | |
356 | ||
a0d0e21e | 357 | if (destruct_level == 0){ |
8990e307 | 358 | |
a0d0e21e LW |
359 | DEBUG_P(debprofdump()); |
360 | ||
361 | /* The exit() function will do everything that needs doing. */ | |
362 | return; | |
363 | } | |
5dd60ef7 | 364 | |
5f05dabc | 365 | /* loosen bonds of global variables */ |
366 | ||
8ebc5c01 | 367 | if(rsfp) { |
368 | (void)PerlIO_close(rsfp); | |
369 | rsfp = Nullfp; | |
370 | } | |
371 | ||
372 | /* Filters for program text */ | |
373 | SvREFCNT_dec(rsfp_filters); | |
374 | rsfp_filters = Nullav; | |
375 | ||
376 | /* switches */ | |
377 | preprocess = FALSE; | |
378 | minus_n = FALSE; | |
379 | minus_p = FALSE; | |
380 | minus_l = FALSE; | |
381 | minus_a = FALSE; | |
382 | minus_F = FALSE; | |
383 | doswitches = FALSE; | |
384 | dowarn = FALSE; | |
385 | doextract = FALSE; | |
386 | sawampersand = FALSE; /* must save all match strings */ | |
387 | sawstudy = FALSE; /* do fbm_instr on all strings */ | |
388 | sawvec = FALSE; | |
389 | unsafe = FALSE; | |
390 | ||
391 | Safefree(inplace); | |
392 | inplace = Nullch; | |
393 | ||
394 | Safefree(e_tmpname); | |
395 | e_tmpname = Nullch; | |
396 | ||
397 | if (e_fp) { | |
398 | PerlIO_close(e_fp); | |
399 | e_fp = Nullfp; | |
400 | } | |
401 | ||
402 | /* magical thingies */ | |
403 | ||
404 | Safefree(ofs); /* $, */ | |
405 | ofs = Nullch; | |
5f05dabc | 406 | |
8ebc5c01 | 407 | Safefree(ors); /* $\ */ |
408 | ors = Nullch; | |
409 | ||
410 | SvREFCNT_dec(nrs); /* $\ helper */ | |
5f05dabc | 411 | nrs = Nullsv; |
412 | ||
8ebc5c01 | 413 | multiline = 0; /* $* */ |
5f05dabc | 414 | |
8ebc5c01 | 415 | SvREFCNT_dec(statname); |
5f05dabc | 416 | statname = Nullsv; |
417 | statgv = Nullgv; | |
5f05dabc | 418 | |
8ebc5c01 | 419 | /* defgv, aka *_ should be taken care of elsewhere */ |
420 | ||
421 | #if 0 /* just about all regexp stuff, seems to be ok */ | |
422 | ||
423 | /* shortcuts to regexp stuff */ | |
424 | leftgv = Nullgv; | |
425 | ampergv = Nullgv; | |
426 | ||
427 | SAVEFREEOP(curpm); | |
428 | SAVEFREEOP(oldlastpm); /* for saving regexp context during debugger */ | |
429 | ||
430 | regprecomp = NULL; /* uncompiled string. */ | |
431 | regparse = NULL; /* Input-scan pointer. */ | |
432 | regxend = NULL; /* End of input for compile */ | |
433 | regnpar = 0; /* () count. */ | |
434 | regcode = NULL; /* Code-emit pointer; ®dummy = don't. */ | |
435 | regsize = 0; /* Code size. */ | |
436 | regnaughty = 0; /* How bad is this pattern? */ | |
437 | regsawback = 0; /* Did we see \1, ...? */ | |
438 | ||
439 | reginput = NULL; /* String-input pointer. */ | |
440 | regbol = NULL; /* Beginning of input, for ^ check. */ | |
441 | regeol = NULL; /* End of input, for $ check. */ | |
442 | regstartp = (char **)NULL; /* Pointer to startp array. */ | |
443 | regendp = (char **)NULL; /* Ditto for endp. */ | |
444 | reglastparen = 0; /* Similarly for lastparen. */ | |
445 | regtill = NULL; /* How far we are required to go. */ | |
446 | regflags = 0; /* are we folding, multilining? */ | |
447 | regprev = (char)NULL; /* char before regbol, \n if none */ | |
448 | ||
449 | #endif /* if 0 */ | |
450 | ||
451 | /* clean up after study() */ | |
452 | SvREFCNT_dec(lastscream); | |
453 | lastscream = Nullsv; | |
454 | Safefree(screamfirst); | |
455 | screamfirst = 0; | |
456 | Safefree(screamnext); | |
457 | screamnext = 0; | |
458 | ||
459 | /* startup and shutdown function lists */ | |
460 | SvREFCNT_dec(beginav); | |
461 | SvREFCNT_dec(endav); | |
77a005ab | 462 | SvREFCNT_dec(initav); |
5618dfe8 | 463 | beginav = Nullav; |
5618dfe8 | 464 | endav = Nullav; |
77a005ab | 465 | initav = Nullav; |
5618dfe8 | 466 | |
8ebc5c01 | 467 | /* temp stack during pp_sort() */ |
468 | SvREFCNT_dec(sortstack); | |
469 | sortstack = Nullav; | |
470 | ||
471 | /* shortcuts just get cleared */ | |
472 | envgv = Nullgv; | |
473 | siggv = Nullgv; | |
474 | incgv = Nullgv; | |
12f917ad | 475 | errgv = Nullgv; |
8ebc5c01 | 476 | argvgv = Nullgv; |
477 | argvoutgv = Nullgv; | |
478 | stdingv = Nullgv; | |
479 | last_in_gv = Nullgv; | |
480 | ||
481 | /* reset so print() ends up where we expect */ | |
482 | setdefout(Nullgv); | |
483 | ||
a0d0e21e | 484 | /* Prepare to destruct main symbol table. */ |
5f05dabc | 485 | |
a0d0e21e | 486 | hv = defstash; |
85e6fe83 | 487 | defstash = 0; |
a0d0e21e LW |
488 | SvREFCNT_dec(hv); |
489 | ||
490 | FREETMPS; | |
491 | if (destruct_level >= 2) { | |
492 | if (scopestack_ix != 0) | |
ff0cee69 | 493 | warn("Unbalanced scopes: %ld more ENTERs than LEAVEs\n", |
494 | (long)scopestack_ix); | |
a0d0e21e | 495 | if (savestack_ix != 0) |
ff0cee69 | 496 | warn("Unbalanced saves: %ld more saves than restores\n", |
497 | (long)savestack_ix); | |
a0d0e21e | 498 | if (tmps_floor != -1) |
ff0cee69 | 499 | warn("Unbalanced tmps: %ld more allocs than frees\n", |
500 | (long)tmps_floor + 1); | |
a0d0e21e | 501 | if (cxstack_ix != -1) |
ff0cee69 | 502 | warn("Unbalanced context: %ld more PUSHes than POPs\n", |
503 | (long)cxstack_ix + 1); | |
a0d0e21e | 504 | } |
8990e307 LW |
505 | |
506 | /* Now absolutely destruct everything, somehow or other, loops or no. */ | |
8990e307 | 507 | last_sv_count = 0; |
6e72f9df | 508 | SvFLAGS(strtab) |= SVTYPEMASK; /* don't clean out strtab now */ |
8990e307 LW |
509 | while (sv_count != 0 && sv_count != last_sv_count) { |
510 | last_sv_count = sv_count; | |
511 | sv_clean_all(); | |
512 | } | |
6e72f9df | 513 | SvFLAGS(strtab) &= ~SVTYPEMASK; |
514 | SvFLAGS(strtab) |= SVt_PVHV; | |
515 | ||
516 | /* Destruct the global string table. */ | |
517 | { | |
518 | /* Yell and reset the HeVAL() slots that are still holding refcounts, | |
519 | * so that sv_free() won't fail on them. | |
520 | */ | |
521 | I32 riter; | |
522 | I32 max; | |
523 | HE *hent; | |
524 | HE **array; | |
525 | ||
526 | riter = 0; | |
527 | max = HvMAX(strtab); | |
528 | array = HvARRAY(strtab); | |
529 | hent = array[0]; | |
530 | for (;;) { | |
531 | if (hent) { | |
532 | warn("Unbalanced string table refcount: (%d) for \"%s\"", | |
533 | HeVAL(hent) - Nullsv, HeKEY(hent)); | |
534 | HeVAL(hent) = Nullsv; | |
535 | hent = HeNEXT(hent); | |
536 | } | |
537 | if (!hent) { | |
538 | if (++riter > max) | |
539 | break; | |
540 | hent = array[riter]; | |
541 | } | |
542 | } | |
543 | } | |
544 | SvREFCNT_dec(strtab); | |
545 | ||
8990e307 | 546 | if (sv_count != 0) |
ff0cee69 | 547 | warn("Scalars leaked: %ld\n", (long)sv_count); |
6e72f9df | 548 | |
4633a7c4 | 549 | sv_free_arenas(); |
44a8e56a | 550 | |
551 | /* No SVs have survived, need to clean out */ | |
552 | linestr = NULL; | |
553 | pidstatus = Nullhv; | |
6e72f9df | 554 | if (origfilename) |
555 | Safefree(origfilename); | |
556 | nuke_stacks(); | |
fc36a67e | 557 | hints = 0; /* Reset hints. Should hints be per-interpreter ? */ |
a0d0e21e LW |
558 | |
559 | DEBUG_P(debprofdump()); | |
11343788 MB |
560 | #ifdef USE_THREADS |
561 | MUTEX_DESTROY(&sv_mutex); | |
562 | MUTEX_DESTROY(&malloc_mutex); | |
563 | MUTEX_DESTROY(&eval_mutex); | |
c116a00c | 564 | COND_DESTROY(&eval_cond); |
fc36a67e | 565 | |
8023c3ce MB |
566 | /* As the penultimate thing, free the non-arena SV for thrsv */ |
567 | Safefree(SvPVX(thrsv)); | |
568 | Safefree(SvANY(thrsv)); | |
569 | Safefree(thrsv); | |
570 | thrsv = Nullsv; | |
571 | #endif /* USE_THREADS */ | |
572 | ||
fc36a67e | 573 | /* As the absolutely last thing, free the non-arena SV for mess() */ |
574 | ||
575 | if (mess_sv) { | |
576 | /* we know that type >= SVt_PV */ | |
577 | SvOOK_off(mess_sv); | |
578 | Safefree(SvPVX(mess_sv)); | |
579 | Safefree(SvANY(mess_sv)); | |
580 | Safefree(mess_sv); | |
581 | mess_sv = Nullsv; | |
582 | } | |
79072805 LW |
583 | } |
584 | ||
585 | void | |
8ac85365 | 586 | perl_free(PerlInterpreter *sv_interp) |
79072805 LW |
587 | { |
588 | if (!(curinterp = sv_interp)) | |
589 | return; | |
590 | Safefree(sv_interp); | |
591 | } | |
592 | ||
593 | int | |
8ac85365 | 594 | perl_parse(PerlInterpreter *sv_interp, void (*xsinit) (void), int argc, char **argv, char **env) |
8d063cd8 | 595 | { |
11343788 | 596 | dTHR; |
79072805 | 597 | register SV *sv; |
8d063cd8 | 598 | register char *s; |
1a30305b | 599 | char *scriptname = NULL; |
a0d0e21e | 600 | VOL bool dosearch = FALSE; |
13281fa4 | 601 | char *validarg = ""; |
2ae324a7 | 602 | I32 oldscope; |
748a9306 | 603 | AV* comppadlist; |
54310121 | 604 | dJMPENV; |
22921e25 | 605 | int ret; |
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 | ||
79072805 LW |
615 | if (!(curinterp = sv_interp)) |
616 | return 255; | |
617 | ||
6e72f9df | 618 | #if defined(NeXT) && defined(__DYNAMIC__) |
619 | _dyld_lookup_and_bind | |
620 | ("__environ", (unsigned long *) &environ_pointer, NULL); | |
621 | #endif /* environ */ | |
622 | ||
ac58e20f LW |
623 | origargv = argv; |
624 | origargc = argc; | |
a0d0e21e | 625 | #ifndef VMS /* VMS doesn't have environ array */ |
fe14fcc3 | 626 | origenviron = environ; |
a0d0e21e | 627 | #endif |
ab821d7f | 628 | e_tmpname = Nullch; |
a0d0e21e LW |
629 | |
630 | if (do_undump) { | |
631 | ||
632 | /* Come here if running an undumped a.out. */ | |
633 | ||
634 | origfilename = savepv(argv[0]); | |
635 | do_undump = FALSE; | |
636 | cxstack_ix = -1; /* start label stack again */ | |
748a9306 | 637 | init_ids(); |
a0d0e21e LW |
638 | init_postdump_symbols(argc,argv,env); |
639 | return 0; | |
640 | } | |
641 | ||
ff0cee69 | 642 | if (main_root) { |
643 | curpad = AvARRAY(comppad); | |
a0d0e21e | 644 | op_free(main_root); |
ff0cee69 | 645 | main_root = Nullop; |
646 | } | |
647 | main_start = Nullop; | |
648 | SvREFCNT_dec(main_cv); | |
649 | main_cv = Nullcv; | |
79072805 | 650 | |
f86702cc | 651 | time(&basetime); |
2ae324a7 | 652 | oldscope = scopestack_ix; |
f86702cc | 653 | |
22921e25 CS |
654 | JMPENV_PUSH(ret); |
655 | switch (ret) { | |
79072805 | 656 | case 1: |
f86702cc | 657 | STATUS_ALL_FAILURE; |
658 | /* FALL THROUGH */ | |
79072805 | 659 | case 2: |
f86702cc | 660 | /* my_exit() was called */ |
2ae324a7 | 661 | while (scopestack_ix > oldscope) |
662 | LEAVE; | |
84902520 | 663 | FREETMPS; |
8990e307 LW |
664 | curstash = defstash; |
665 | if (endav) | |
68dc0745 | 666 | call_list(oldscope, endav); |
54310121 | 667 | JMPENV_POP; |
f86702cc | 668 | return STATUS_NATIVE_EXPORT; |
79072805 | 669 | case 3: |
54310121 | 670 | JMPENV_POP; |
760ac839 | 671 | PerlIO_printf(PerlIO_stderr(), "panic: top_env\n"); |
8990e307 | 672 | return 1; |
79072805 LW |
673 | } |
674 | ||
79072805 LW |
675 | sv_setpvn(linestr,"",0); |
676 | sv = newSVpv("",0); /* first used for -I flags */ | |
8990e307 | 677 | SAVEFREESV(sv); |
79072805 | 678 | init_main_stash(); |
54310121 | 679 | |
33b78306 | 680 | for (argc--,argv++; argc > 0; argc--,argv++) { |
8d063cd8 LW |
681 | if (argv[0][0] != '-' || !argv[0][1]) |
682 | break; | |
13281fa4 LW |
683 | #ifdef DOSUID |
684 | if (*validarg) | |
685 | validarg = " PHOOEY "; | |
686 | else | |
687 | validarg = argv[0]; | |
688 | #endif | |
689 | s = argv[0]+1; | |
8d063cd8 | 690 | reswitch: |
13281fa4 | 691 | switch (*s) { |
27e2fb84 | 692 | case '0': |
2304df62 | 693 | case 'F': |
378cc40b | 694 | case 'a': |
33b78306 | 695 | case 'c': |
a687059c | 696 | case 'd': |
8d063cd8 | 697 | case 'D': |
4633a7c4 | 698 | case 'h': |
33b78306 | 699 | case 'i': |
fe14fcc3 | 700 | case 'l': |
1a30305b | 701 | case 'M': |
702 | case 'm': | |
33b78306 LW |
703 | case 'n': |
704 | case 'p': | |
79072805 | 705 | case 's': |
33b78306 LW |
706 | case 'u': |
707 | case 'U': | |
708 | case 'v': | |
709 | case 'w': | |
710 | if (s = moreswitches(s)) | |
711 | goto reswitch; | |
8d063cd8 | 712 | break; |
33b78306 | 713 | |
f86702cc | 714 | case 'T': |
715 | tainting = TRUE; | |
716 | s++; | |
717 | goto reswitch; | |
718 | ||
8d063cd8 | 719 | case 'e': |
a687059c | 720 | if (euid != uid || egid != gid) |
463ee0b2 | 721 | croak("No -e allowed in setuid scripts"); |
8d063cd8 | 722 | if (!e_fp) { |
a0d0e21e | 723 | e_tmpname = savepv(TMPPATH); |
a687059c | 724 | (void)mktemp(e_tmpname); |
83025b21 | 725 | if (!*e_tmpname) |
463ee0b2 | 726 | croak("Can't mktemp()"); |
760ac839 | 727 | e_fp = PerlIO_open(e_tmpname,"w"); |
33b78306 | 728 | if (!e_fp) |
463ee0b2 | 729 | croak("Cannot open temporary file"); |
8d063cd8 | 730 | } |
552a7a9b | 731 | if (*++s) |
732 | PerlIO_puts(e_fp,s); | |
733 | else if (argv[1]) { | |
760ac839 | 734 | PerlIO_puts(e_fp,argv[1]); |
33b78306 LW |
735 | argc--,argv++; |
736 | } | |
552a7a9b | 737 | else |
738 | croak("No code specified for -e"); | |
760ac839 | 739 | (void)PerlIO_putc(e_fp,'\n'); |
8d063cd8 | 740 | break; |
fb73857a | 741 | case 'I': /* -I handled both here and in moreswitches() */ |
bbce6d69 | 742 | forbid_setid("-I"); |
fb73857a | 743 | if (!*++s && (s=argv[1]) != Nullch) { |
8d063cd8 | 744 | argc--,argv++; |
8d063cd8 | 745 | } |
fb73857a | 746 | while (s && isSPACE(*s)) |
747 | ++s; | |
748 | if (s && *s) { | |
749 | char *e, *p; | |
750 | for (e = s; *e && !isSPACE(*e); e++) ; | |
751 | p = savepvn(s, e-s); | |
752 | incpush(p, TRUE); | |
753 | sv_catpv(sv,"-I"); | |
754 | sv_catpv(sv,p); | |
755 | sv_catpv(sv," "); | |
756 | Safefree(p); | |
757 | } /* XXX else croak? */ | |
8d063cd8 | 758 | break; |
8d063cd8 | 759 | case 'P': |
bbce6d69 | 760 | forbid_setid("-P"); |
8d063cd8 | 761 | preprocess = TRUE; |
13281fa4 | 762 | s++; |
8d063cd8 | 763 | goto reswitch; |
378cc40b | 764 | case 'S': |
bbce6d69 | 765 | forbid_setid("-S"); |
378cc40b | 766 | dosearch = TRUE; |
13281fa4 | 767 | s++; |
378cc40b | 768 | goto reswitch; |
1a30305b | 769 | case 'V': |
770 | if (!preambleav) | |
771 | preambleav = newAV(); | |
772 | av_push(preambleav, newSVpv("use Config qw(myconfig config_vars)",0)); | |
773 | if (*++s != ':') { | |
6e72f9df | 774 | Sv = newSVpv("print myconfig();",0); |
775 | #ifdef VMS | |
776 | sv_catpv(Sv,"print \"\\nCharacteristics of this PERLSHR image: \\n\","); | |
777 | #else | |
778 | sv_catpv(Sv,"print \"\\nCharacteristics of this binary (from libperl): \\n\","); | |
779 | #endif | |
54310121 | 780 | #if defined(DEBUGGING) || defined(NO_EMBED) || defined(MULTIPLICITY) |
46fc3d4c | 781 | sv_catpv(Sv,"\" Compile-time options:"); |
6e72f9df | 782 | # ifdef DEBUGGING |
46fc3d4c | 783 | sv_catpv(Sv," DEBUGGING"); |
6e72f9df | 784 | # endif |
54310121 | 785 | # ifdef NO_EMBED |
46fc3d4c | 786 | sv_catpv(Sv," NO_EMBED"); |
6e72f9df | 787 | # endif |
788 | # ifdef MULTIPLICITY | |
46fc3d4c | 789 | sv_catpv(Sv," MULTIPLICITY"); |
6e72f9df | 790 | # endif |
46fc3d4c | 791 | sv_catpv(Sv,"\\n\","); |
6e72f9df | 792 | #endif |
793 | #if defined(LOCAL_PATCH_COUNT) | |
54310121 | 794 | if (LOCAL_PATCH_COUNT > 0) { |
795 | int i; | |
5cd24f17 | 796 | sv_catpv(Sv,"\" Locally applied patches:\\n\","); |
6e72f9df | 797 | for (i = 1; i <= LOCAL_PATCH_COUNT; i++) { |
46fc3d4c | 798 | if (localpatches[i]) |
799 | sv_catpvf(Sv,"\" \\t%s\\n\",",localpatches[i]); | |
6e72f9df | 800 | } |
801 | } | |
802 | #endif | |
46fc3d4c | 803 | sv_catpvf(Sv,"\" Built under %s\\n\"",OSNAME); |
6e72f9df | 804 | #ifdef __DATE__ |
805 | # ifdef __TIME__ | |
46fc3d4c | 806 | sv_catpvf(Sv,",\" Compiled at %s %s\\n\"",__DATE__,__TIME__); |
6e72f9df | 807 | # else |
46fc3d4c | 808 | sv_catpvf(Sv,",\" Compiled on %s\\n\"",__DATE__); |
6e72f9df | 809 | # endif |
6e72f9df | 810 | #endif |
54310121 | 811 | sv_catpv(Sv, "; \ |
812 | $\"=\"\\n \"; \ | |
813 | @env = map { \"$_=\\\"$ENV{$_}\\\"\" } sort grep {/^PERL/} keys %ENV; \ | |
814 | print \" \\%ENV:\\n @env\\n\" if @env; \ | |
815 | print \" \\@INC:\\n @INC\\n\";"); | |
1a30305b | 816 | } |
817 | else { | |
818 | Sv = newSVpv("config_vars(qw(",0); | |
819 | sv_catpv(Sv, ++s); | |
820 | sv_catpv(Sv, "))"); | |
821 | s += strlen(s); | |
822 | } | |
823 | av_push(preambleav, Sv); | |
c07a80fd | 824 | scriptname = BIT_BUCKET; /* don't look for script or read stdin */ |
1a30305b | 825 | goto reswitch; |
33b78306 LW |
826 | case 'x': |
827 | doextract = TRUE; | |
13281fa4 | 828 | s++; |
33b78306 | 829 | if (*s) |
a0d0e21e | 830 | cddir = savepv(s); |
33b78306 | 831 | break; |
8d063cd8 LW |
832 | case 0: |
833 | break; | |
fb73857a | 834 | case '-': |
835 | if (!*++s || isSPACE(*s)) { | |
836 | argc--,argv++; | |
837 | goto switch_end; | |
838 | } | |
839 | /* catch use of gnu style long options */ | |
840 | if (strEQ(s, "version")) { | |
841 | s = "v"; | |
842 | goto reswitch; | |
843 | } | |
844 | if (strEQ(s, "help")) { | |
845 | s = "h"; | |
846 | goto reswitch; | |
847 | } | |
848 | s--; | |
849 | /* FALL THROUGH */ | |
8d063cd8 | 850 | default: |
90248788 | 851 | croak("Unrecognized switch: -%s (-h will show valid options)",s); |
8d063cd8 LW |
852 | } |
853 | } | |
854 | switch_end: | |
54310121 | 855 | |
856 | if (!tainting && (s = getenv("PERL5OPT"))) { | |
fb73857a | 857 | while (s && *s) { |
54310121 | 858 | while (isSPACE(*s)) |
859 | s++; | |
860 | if (*s == '-') { | |
861 | s++; | |
862 | if (isSPACE(*s)) | |
863 | continue; | |
864 | } | |
865 | if (!*s) | |
866 | break; | |
867 | if (!strchr("DIMUdmw", *s)) | |
868 | croak("Illegal switch in PERL5OPT: -%c", *s); | |
869 | s = moreswitches(s); | |
870 | } | |
871 | } | |
872 | ||
1a30305b | 873 | if (!scriptname) |
874 | scriptname = argv[0]; | |
8d063cd8 | 875 | if (e_fp) { |
68dc0745 | 876 | if (PerlIO_flush(e_fp) || PerlIO_error(e_fp) || PerlIO_close(e_fp)) { |
877 | #ifndef MULTIPLICITY | |
878 | warn("Did you forget to compile with -DMULTIPLICITY?"); | |
879 | #endif | |
2304df62 | 880 | croak("Can't write to temp file for -e: %s", Strerror(errno)); |
68dc0745 | 881 | } |
ab821d7f | 882 | e_fp = Nullfp; |
8d063cd8 | 883 | argc++,argv--; |
45d8adaa | 884 | scriptname = e_tmpname; |
8d063cd8 | 885 | } |
79072805 LW |
886 | else if (scriptname == Nullch) { |
887 | #ifdef MSDOS | |
760ac839 | 888 | if ( isatty(PerlIO_fileno(PerlIO_stdin())) ) |
55497cff | 889 | moreswitches("h"); |
fe14fcc3 | 890 | #endif |
79072805 LW |
891 | scriptname = "-"; |
892 | } | |
fe14fcc3 | 893 | |
79072805 | 894 | init_perllib(); |
8d063cd8 | 895 | |
79072805 | 896 | open_script(scriptname,dosearch,sv); |
8d063cd8 | 897 | |
96436eeb | 898 | validate_suid(validarg, scriptname); |
378cc40b | 899 | |
79072805 LW |
900 | if (doextract) |
901 | find_beginning(); | |
902 | ||
4fdae800 | 903 | main_cv = compcv = (CV*)NEWSV(1104,0); |
748a9306 | 904 | sv_upgrade((SV *)compcv, SVt_PVCV); |
07055b4c | 905 | CvUNIQUE_on(compcv); |
748a9306 | 906 | |
6e72f9df | 907 | comppad = newAV(); |
79072805 LW |
908 | av_push(comppad, Nullsv); |
909 | curpad = AvARRAY(comppad); | |
6e72f9df | 910 | comppad_name = newAV(); |
8990e307 | 911 | comppad_name_fill = 0; |
e858de61 MB |
912 | min_intro_pending = 0; |
913 | padix = 0; | |
11343788 MB |
914 | #ifdef USE_THREADS |
915 | av_store(comppad_name, 0, newSVpv("@_", 2)); | |
e858de61 | 916 | curpad[0] = (SV*)newAV(); |
6d4ff0d2 | 917 | SvPADMY_on(curpad[0]); /* XXX Needed? */ |
e858de61 | 918 | CvOWNER(compcv) = 0; |
12ca11f6 | 919 | New(666, CvMUTEXP(compcv), 1, perl_mutex); |
e858de61 | 920 | MUTEX_INIT(CvMUTEXP(compcv)); |
11343788 | 921 | #endif /* USE_THREADS */ |
79072805 | 922 | |
748a9306 LW |
923 | comppadlist = newAV(); |
924 | AvREAL_off(comppadlist); | |
8e07c86e AD |
925 | av_store(comppadlist, 0, (SV*)comppad_name); |
926 | av_store(comppadlist, 1, (SV*)comppad); | |
748a9306 LW |
927 | CvPADLIST(compcv) = comppadlist; |
928 | ||
6e72f9df | 929 | boot_core_UNIVERSAL(); |
a0d0e21e LW |
930 | if (xsinit) |
931 | (*xsinit)(); /* in case linked C routines want magical variables */ | |
ad2e33dc | 932 | #if defined(VMS) || defined(WIN32) |
748a9306 LW |
933 | init_os_extras(); |
934 | #endif | |
93a17b20 | 935 | |
77a005ab MB |
936 | #if defined(DEBUGGING) && defined(USE_THREADS) && defined(__linux__) |
937 | DEBUG_L(signal(SIGSEGV, (void(*)(int))catch_sigsegv);); | |
938 | #endif | |
939 | ||
93a17b20 | 940 | init_predump_symbols(); |
8990e307 LW |
941 | if (!do_undump) |
942 | init_postdump_symbols(argc,argv,env); | |
93a17b20 | 943 | |
79072805 LW |
944 | init_lexer(); |
945 | ||
946 | /* now parse the script */ | |
947 | ||
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); | |
a863c7d1 | 969 | #ifdef USE_THREADS |
554b3eca | 970 | sv_setsv(*av_fetch(thr->magicals, find_thread_magical("/"), FALSE), rs); |
a863c7d1 | 971 | #else |
c07a80fd | 972 | sv_setsv(GvSV(gv_fetchpv("/", TRUE, SVt_PV)), rs); |
a863c7d1 | 973 | #endif /* USE_THREADS */ |
79072805 LW |
974 | if (do_undump) |
975 | my_unexec(); | |
976 | ||
8990e307 LW |
977 | if (dowarn) |
978 | gv_check(defstash); | |
979 | ||
a0d0e21e LW |
980 | LEAVE; |
981 | FREETMPS; | |
c07a80fd | 982 | |
3562ef9b | 983 | #ifdef MYMALLOC |
c07a80fd | 984 | if ((s=getenv("PERL_DEBUG_MSTATS")) && atoi(s) >= 2) |
985 | dump_mstats("after compilation:"); | |
986 | #endif | |
987 | ||
a0d0e21e LW |
988 | ENTER; |
989 | restartop = 0; | |
54310121 | 990 | JMPENV_POP; |
79072805 LW |
991 | return 0; |
992 | } | |
993 | ||
994 | int | |
8ac85365 | 995 | perl_run(PerlInterpreter *sv_interp) |
79072805 | 996 | { |
11343788 | 997 | dTHR; |
2ae324a7 | 998 | I32 oldscope; |
22921e25 CS |
999 | dJMPENV; |
1000 | int ret; | |
2ae324a7 | 1001 | |
79072805 LW |
1002 | if (!(curinterp = sv_interp)) |
1003 | return 255; | |
2ae324a7 | 1004 | |
1005 | oldscope = scopestack_ix; | |
1006 | ||
22921e25 CS |
1007 | JMPENV_PUSH(ret); |
1008 | switch (ret) { | |
79072805 LW |
1009 | case 1: |
1010 | cxstack_ix = -1; /* start context stack again */ | |
1011 | break; | |
1012 | case 2: | |
f86702cc | 1013 | /* my_exit() was called */ |
2ae324a7 | 1014 | while (scopestack_ix > oldscope) |
1015 | LEAVE; | |
84902520 | 1016 | FREETMPS; |
79072805 | 1017 | curstash = defstash; |
93a17b20 | 1018 | if (endav) |
68dc0745 | 1019 | call_list(oldscope, endav); |
3562ef9b | 1020 | #ifdef MYMALLOC |
c07a80fd | 1021 | if (getenv("PERL_DEBUG_MSTATS")) |
1022 | dump_mstats("after execution: "); | |
1023 | #endif | |
54310121 | 1024 | JMPENV_POP; |
f86702cc | 1025 | return STATUS_NATIVE_EXPORT; |
79072805 LW |
1026 | case 3: |
1027 | if (!restartop) { | |
760ac839 | 1028 | PerlIO_printf(PerlIO_stderr(), "panic: restartop\n"); |
a0d0e21e | 1029 | FREETMPS; |
54310121 | 1030 | JMPENV_POP; |
8990e307 | 1031 | return 1; |
83025b21 | 1032 | } |
6e72f9df | 1033 | if (curstack != mainstack) { |
79072805 | 1034 | dSP; |
6e72f9df | 1035 | SWITCHSTACK(curstack, mainstack); |
79072805 LW |
1036 | } |
1037 | break; | |
8d063cd8 | 1038 | } |
79072805 | 1039 | |
fb73857a | 1040 | DEBUG_r(PerlIO_printf(Perl_debug_log, "%s $` $& $' support.\n", |
6e72f9df | 1041 | sawampersand ? "Enabling" : "Omitting")); |
1042 | ||
79072805 LW |
1043 | if (!restartop) { |
1044 | DEBUG_x(dump_all()); | |
760ac839 | 1045 | DEBUG(PerlIO_printf(Perl_debug_log, "\nEXECUTING...\n\n")); |
11343788 | 1046 | #ifdef USE_THREADS |
5dc0d613 MB |
1047 | DEBUG_L(PerlIO_printf(Perl_debug_log, "main thread is 0x%lx\n", |
1048 | (unsigned long) thr)); | |
11343788 | 1049 | #endif /* USE_THREADS */ |
79072805 LW |
1050 | |
1051 | if (minus_c) { | |
760ac839 | 1052 | PerlIO_printf(PerlIO_stderr(), "%s syntax OK\n", origfilename); |
79072805 LW |
1053 | my_exit(0); |
1054 | } | |
84902520 | 1055 | if (PERLDB_SINGLE && DBsingle) |
a0d0e21e | 1056 | sv_setiv(DBsingle, 1); |
7d07dbc2 MB |
1057 | if (initav) |
1058 | call_list(oldscope, initav); | |
45d8adaa | 1059 | } |
79072805 LW |
1060 | |
1061 | /* do it */ | |
1062 | ||
1063 | if (restartop) { | |
1064 | op = restartop; | |
1065 | restartop = 0; | |
ab821d7f | 1066 | runops(); |
79072805 LW |
1067 | } |
1068 | else if (main_start) { | |
4fdae800 | 1069 | CvDEPTH(main_cv) = 1; |
79072805 | 1070 | op = main_start; |
ab821d7f | 1071 | runops(); |
79072805 | 1072 | } |
79072805 LW |
1073 | |
1074 | my_exit(0); | |
54310121 | 1075 | /* NOTREACHED */ |
a0d0e21e | 1076 | return 0; |
79072805 LW |
1077 | } |
1078 | ||
a0d0e21e | 1079 | SV* |
8ac85365 | 1080 | perl_get_sv(char *name, I32 create) |
a0d0e21e | 1081 | { |
2faa37cc | 1082 | GV *gv; |
38a03e6e | 1083 | #ifdef USE_THREADS |
2faa37cc MB |
1084 | if (name[1] == '\0' && !isALPHA(name[0])) { |
1085 | PADOFFSET tmp = find_thread_magical(name); | |
1086 | if (tmp != NOT_IN_PAD) { | |
1087 | dTHR; | |
1088 | return *av_fetch(thr->magicals, tmp, FALSE); | |
1089 | } | |
38a03e6e MB |
1090 | } |
1091 | #endif /* USE_THREADS */ | |
2faa37cc | 1092 | gv = gv_fetchpv(name, create, SVt_PV); |
a0d0e21e LW |
1093 | if (gv) |
1094 | return GvSV(gv); | |
1095 | return Nullsv; | |
1096 | } | |
1097 | ||
1098 | AV* | |
8ac85365 | 1099 | perl_get_av(char *name, I32 create) |
a0d0e21e LW |
1100 | { |
1101 | GV* gv = gv_fetchpv(name, create, SVt_PVAV); | |
1102 | if (create) | |
1103 | return GvAVn(gv); | |
1104 | if (gv) | |
1105 | return GvAV(gv); | |
1106 | return Nullav; | |
1107 | } | |
1108 | ||
1109 | HV* | |
8ac85365 | 1110 | perl_get_hv(char *name, I32 create) |
a0d0e21e LW |
1111 | { |
1112 | GV* gv = gv_fetchpv(name, create, SVt_PVHV); | |
1113 | if (create) | |
1114 | return GvHVn(gv); | |
1115 | if (gv) | |
1116 | return GvHV(gv); | |
1117 | return Nullhv; | |
1118 | } | |
1119 | ||
1120 | CV* | |
8ac85365 | 1121 | perl_get_cv(char *name, I32 create) |
a0d0e21e LW |
1122 | { |
1123 | GV* gv = gv_fetchpv(name, create, SVt_PVCV); | |
8ebc5c01 | 1124 | if (create && !GvCVu(gv)) |
774d564b | 1125 | return newSUB(start_subparse(FALSE, 0), |
a0d0e21e | 1126 | newSVOP(OP_CONST, 0, newSVpv(name,0)), |
4633a7c4 | 1127 | Nullop, |
a0d0e21e LW |
1128 | Nullop); |
1129 | if (gv) | |
8ebc5c01 | 1130 | return GvCVu(gv); |
a0d0e21e LW |
1131 | return Nullcv; |
1132 | } | |
1133 | ||
79072805 LW |
1134 | /* Be sure to refetch the stack pointer after calling these routines. */ |
1135 | ||
a0d0e21e | 1136 | I32 |
8ac85365 NIS |
1137 | perl_call_argv(char *subname, I32 flags, register char **argv) |
1138 | ||
1139 | /* See G_* flags in cop.h */ | |
1140 | /* null terminated arg list */ | |
8990e307 | 1141 | { |
a0d0e21e | 1142 | dSP; |
8990e307 | 1143 | |
a0d0e21e LW |
1144 | PUSHMARK(sp); |
1145 | if (argv) { | |
8990e307 | 1146 | while (*argv) { |
a0d0e21e | 1147 | XPUSHs(sv_2mortal(newSVpv(*argv,0))); |
8990e307 LW |
1148 | argv++; |
1149 | } | |
a0d0e21e | 1150 | PUTBACK; |
8990e307 | 1151 | } |
a0d0e21e | 1152 | return perl_call_pv(subname, flags); |
8990e307 LW |
1153 | } |
1154 | ||
a0d0e21e | 1155 | I32 |
8ac85365 NIS |
1156 | perl_call_pv(char *subname, I32 flags) |
1157 | /* name of the subroutine */ | |
1158 | /* See G_* flags in cop.h */ | |
a0d0e21e LW |
1159 | { |
1160 | return perl_call_sv((SV*)perl_get_cv(subname, TRUE), flags); | |
1161 | } | |
1162 | ||
1163 | I32 | |
8ac85365 NIS |
1164 | perl_call_method(char *methname, I32 flags) |
1165 | /* name of the subroutine */ | |
1166 | /* See G_* flags in cop.h */ | |
a0d0e21e LW |
1167 | { |
1168 | dSP; | |
1169 | OP myop; | |
1170 | if (!op) | |
1171 | op = &myop; | |
1172 | XPUSHs(sv_2mortal(newSVpv(methname,0))); | |
1173 | PUTBACK; | |
11343788 | 1174 | pp_method(ARGS); |
a0d0e21e LW |
1175 | return perl_call_sv(*stack_sp--, flags); |
1176 | } | |
1177 | ||
1178 | /* May be called with any of a CV, a GV, or an SV containing the name. */ | |
1179 | I32 | |
8ac85365 NIS |
1180 | perl_call_sv(SV *sv, I32 flags) |
1181 | ||
1182 | /* See G_* flags in cop.h */ | |
a0d0e21e | 1183 | { |
11343788 | 1184 | dTHR; |
a0d0e21e LW |
1185 | LOGOP myop; /* fake syntax tree node */ |
1186 | SV** sp = stack_sp; | |
aa689395 | 1187 | I32 oldmark; |
a0d0e21e | 1188 | I32 retval; |
a0d0e21e | 1189 | I32 oldscope; |
6e72f9df | 1190 | static CV *DBcv; |
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 | { | |
1229 | register 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) |
ab821d7f | 1286 | runops(); |
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; | |
1297 | register CONTEXT *cx; | |
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 | { |
11343788 | 1328 | dTHR; |
a0d0e21e | 1329 | UNOP myop; /* fake syntax tree node */ |
4633a7c4 LW |
1330 | SV** sp = stack_sp; |
1331 | I32 oldmark = sp - stack_base; | |
1332 | I32 retval; | |
4633a7c4 | 1333 | I32 oldscope; |
54310121 | 1334 | dJMPENV; |
22921e25 | 1335 | int ret; |
84902520 TB |
1336 | OP* oldop = op; |
1337 | ||
4633a7c4 LW |
1338 | if (flags & G_DISCARD) { |
1339 | ENTER; | |
1340 | SAVETMPS; | |
1341 | } | |
1342 | ||
462e5cf6 | 1343 | SAVEOP(); |
79072805 | 1344 | op = (OP*)&myop; |
a0d0e21e | 1345 | Zero(op, 1, UNOP); |
4633a7c4 LW |
1346 | EXTEND(stack_sp, 1); |
1347 | *++stack_sp = sv; | |
1348 | oldscope = scopestack_ix; | |
79072805 | 1349 | |
4633a7c4 LW |
1350 | if (!(flags & G_NOARGS)) |
1351 | myop.op_flags = OPf_STACKED; | |
79072805 | 1352 | myop.op_next = Nullop; |
6e72f9df | 1353 | myop.op_type = OP_ENTEREVAL; |
54310121 | 1354 | myop.op_flags |= ((flags & G_VOID) ? OPf_WANT_VOID : |
1355 | (flags & G_ARRAY) ? OPf_WANT_LIST : | |
1356 | OPf_WANT_SCALAR); | |
6e72f9df | 1357 | if (flags & G_KEEPERR) |
1358 | myop.op_flags |= OPf_SPECIAL; | |
4633a7c4 | 1359 | |
22921e25 CS |
1360 | JMPENV_PUSH(ret); |
1361 | switch (ret) { | |
4633a7c4 LW |
1362 | case 0: |
1363 | break; | |
1364 | case 1: | |
f86702cc | 1365 | STATUS_ALL_FAILURE; |
4633a7c4 LW |
1366 | /* FALL THROUGH */ |
1367 | case 2: | |
1368 | /* my_exit() was called */ | |
1369 | curstash = defstash; | |
1370 | FREETMPS; | |
54310121 | 1371 | JMPENV_POP; |
4633a7c4 LW |
1372 | if (statusvalue) |
1373 | croak("Callback called exit"); | |
f86702cc | 1374 | my_exit_jump(); |
4633a7c4 LW |
1375 | /* NOTREACHED */ |
1376 | case 3: | |
1377 | if (restartop) { | |
1378 | op = restartop; | |
1379 | restartop = 0; | |
54310121 | 1380 | break; |
4633a7c4 LW |
1381 | } |
1382 | stack_sp = stack_base + oldmark; | |
1383 | if (flags & G_ARRAY) | |
1384 | retval = 0; | |
1385 | else { | |
1386 | retval = 1; | |
1387 | *++stack_sp = &sv_undef; | |
1388 | } | |
1389 | goto cleanup; | |
1390 | } | |
1391 | ||
1392 | if (op == (OP*)&myop) | |
11343788 | 1393 | op = pp_entereval(ARGS); |
4633a7c4 | 1394 | if (op) |
ab821d7f | 1395 | runops(); |
4633a7c4 | 1396 | retval = stack_sp - (stack_base + oldmark); |
6e72f9df | 1397 | if (!(flags & G_KEEPERR)) |
38a03e6e | 1398 | sv_setpv(ERRSV,""); |
4633a7c4 LW |
1399 | |
1400 | cleanup: | |
54310121 | 1401 | JMPENV_POP; |
4633a7c4 LW |
1402 | if (flags & G_DISCARD) { |
1403 | stack_sp = stack_base + oldmark; | |
1404 | retval = 0; | |
1405 | FREETMPS; | |
1406 | LEAVE; | |
1407 | } | |
84902520 | 1408 | op = oldop; |
4633a7c4 LW |
1409 | return retval; |
1410 | } | |
1411 | ||
137443ea | 1412 | SV* |
8ac85365 | 1413 | perl_eval_pv(char *p, I32 croak_on_error) |
137443ea | 1414 | { |
1415 | dSP; | |
1416 | SV* sv = newSVpv(p, 0); | |
1417 | ||
1418 | PUSHMARK(sp); | |
1419 | perl_eval_sv(sv, G_SCALAR); | |
1420 | SvREFCNT_dec(sv); | |
1421 | ||
1422 | SPAGAIN; | |
1423 | sv = POPs; | |
1424 | PUTBACK; | |
1425 | ||
38a03e6e MB |
1426 | if (croak_on_error && SvTRUE(ERRSV)) |
1427 | croak(SvPVx(ERRSV, na)); | |
137443ea | 1428 | |
1429 | return sv; | |
1430 | } | |
1431 | ||
4633a7c4 LW |
1432 | /* Require a module. */ |
1433 | ||
1434 | void | |
8ac85365 | 1435 | perl_require_pv(char *pv) |
4633a7c4 LW |
1436 | { |
1437 | SV* sv = sv_newmortal(); | |
1438 | sv_setpv(sv, "require '"); | |
1439 | sv_catpv(sv, pv); | |
1440 | sv_catpv(sv, "'"); | |
1441 | perl_eval_sv(sv, G_DISCARD); | |
79072805 LW |
1442 | } |
1443 | ||
79072805 | 1444 | void |
8ac85365 | 1445 | magicname(char *sym, char *name, I32 namlen) |
79072805 LW |
1446 | { |
1447 | register GV *gv; | |
1448 | ||
85e6fe83 | 1449 | if (gv = gv_fetchpv(sym,TRUE, SVt_PV)) |
79072805 LW |
1450 | sv_magic(GvSV(gv), (SV*)gv, 0, name, namlen); |
1451 | } | |
1452 | ||
ab821d7f | 1453 | static void |
8ac85365 NIS |
1454 | usage(char *name) /* XXX move this out into a module ? */ |
1455 | ||
4633a7c4 | 1456 | { |
ab821d7f | 1457 | /* This message really ought to be max 23 lines. |
1458 | * Removed -h because the user already knows that opton. Others? */ | |
fb73857a | 1459 | |
1460 | static char *usage[] = { | |
1461 | "-0[octal] specify record separator (\\0, if no argument)", | |
1462 | "-a autosplit mode with -n or -p (splits $_ into @F)", | |
1463 | "-c check syntax only (runs BEGIN and END blocks)", | |
1464 | "-d[:debugger] run scripts under debugger", | |
1465 | "-D[number/list] set debugging flags (argument is a bit mask or flags)", | |
1466 | "-e 'command' one line of script. Several -e's allowed. Omit [programfile].", | |
1467 | "-F/pattern/ split() pattern for autosplit (-a). The //'s are optional.", | |
1468 | "-i[extension] edit <> files in place (make backup if extension supplied)", | |
1469 | "-Idirectory specify @INC/#include directory (may be used more than once)", | |
1470 | "-l[octal] enable line ending processing, specifies line terminator", | |
1471 | "-[mM][-]module.. executes `use/no module...' before executing your script.", | |
1472 | "-n assume 'while (<>) { ... }' loop around your script", | |
1473 | "-p assume loop like -n but print line also like sed", | |
1474 | "-P run script through C preprocessor before compilation", | |
1475 | "-s enable some switch parsing for switches after script name", | |
1476 | "-S look for the script using PATH environment variable", | |
1477 | "-T turn on tainting checks", | |
1478 | "-u dump core after parsing script", | |
1479 | "-U allow unsafe operations", | |
1480 | "-v print version number and patchlevel of perl", | |
1481 | "-V[:variable] print perl configuration information", | |
1482 | "-w TURN WARNINGS ON FOR COMPILATION OF YOUR SCRIPT. Recommended.", | |
1483 | "-x[directory] strip off text before #!perl line and perhaps cd to directory", | |
1484 | "\n", | |
1485 | NULL | |
1486 | }; | |
1487 | char **p = usage; | |
1488 | ||
ab821d7f | 1489 | printf("\nUsage: %s [switches] [--] [programfile] [arguments]", name); |
fb73857a | 1490 | while (*p) |
1491 | printf("\n %s", *p++); | |
4633a7c4 LW |
1492 | } |
1493 | ||
79072805 LW |
1494 | /* This routine handles any switches that can be given during run */ |
1495 | ||
1496 | char * | |
8ac85365 | 1497 | moreswitches(char *s) |
79072805 LW |
1498 | { |
1499 | I32 numlen; | |
c07a80fd | 1500 | U32 rschar; |
79072805 LW |
1501 | |
1502 | switch (*s) { | |
1503 | case '0': | |
a863c7d1 MB |
1504 | { |
1505 | dTHR; | |
c07a80fd | 1506 | rschar = scan_oct(s, 4, &numlen); |
1507 | SvREFCNT_dec(nrs); | |
1508 | if (rschar & ~((U8)~0)) | |
1509 | nrs = &sv_undef; | |
1510 | else if (!rschar && numlen >= 2) | |
1511 | nrs = newSVpv("", 0); | |
1512 | else { | |
1513 | char ch = rschar; | |
1514 | nrs = newSVpv(&ch, 1); | |
79072805 LW |
1515 | } |
1516 | return s + numlen; | |
a863c7d1 | 1517 | } |
2304df62 AD |
1518 | case 'F': |
1519 | minus_F = TRUE; | |
a0d0e21e | 1520 | splitstr = savepv(s + 1); |
2304df62 AD |
1521 | s += strlen(s); |
1522 | return s; | |
79072805 LW |
1523 | case 'a': |
1524 | minus_a = TRUE; | |
1525 | s++; | |
1526 | return s; | |
1527 | case 'c': | |
1528 | minus_c = TRUE; | |
1529 | s++; | |
1530 | return s; | |
1531 | case 'd': | |
bbce6d69 | 1532 | forbid_setid("-d"); |
4633a7c4 | 1533 | s++; |
c07a80fd | 1534 | if (*s == ':' || *s == '=') { |
46fc3d4c | 1535 | my_setenv("PERL5DB", form("use Devel::%s;", ++s)); |
4633a7c4 | 1536 | s += strlen(s); |
4633a7c4 | 1537 | } |
a0d0e21e | 1538 | if (!perldb) { |
84902520 | 1539 | perldb = PERLDB_ALL; |
a0d0e21e LW |
1540 | init_debugger(); |
1541 | } | |
79072805 LW |
1542 | return s; |
1543 | case 'D': | |
1544 | #ifdef DEBUGGING | |
bbce6d69 | 1545 | forbid_setid("-D"); |
79072805 | 1546 | if (isALPHA(s[1])) { |
8990e307 | 1547 | static char debopts[] = "psltocPmfrxuLHXD"; |
79072805 LW |
1548 | char *d; |
1549 | ||
93a17b20 | 1550 | for (s++; *s && (d = strchr(debopts,*s)); s++) |
79072805 LW |
1551 | debug |= 1 << (d - debopts); |
1552 | } | |
1553 | else { | |
1554 | debug = atoi(s+1); | |
1555 | for (s++; isDIGIT(*s); s++) ; | |
1556 | } | |
8990e307 | 1557 | debug |= 0x80000000; |
79072805 LW |
1558 | #else |
1559 | warn("Recompile perl with -DDEBUGGING to use -D switch\n"); | |
a0d0e21e | 1560 | for (s++; isALNUM(*s); s++) ; |
79072805 LW |
1561 | #endif |
1562 | /*SUPPRESS 530*/ | |
1563 | return s; | |
4633a7c4 LW |
1564 | case 'h': |
1565 | usage(origargv[0]); | |
1566 | exit(0); | |
79072805 LW |
1567 | case 'i': |
1568 | if (inplace) | |
1569 | Safefree(inplace); | |
a0d0e21e | 1570 | inplace = savepv(s+1); |
79072805 LW |
1571 | /*SUPPRESS 530*/ |
1572 | for (s = inplace; *s && !isSPACE(*s); s++) ; | |
fb73857a | 1573 | if (*s) |
1574 | *s++ = '\0'; | |
1575 | return s; | |
1576 | case 'I': /* -I handled both here and in parse_perl() */ | |
bbce6d69 | 1577 | forbid_setid("-I"); |
fb73857a | 1578 | ++s; |
1579 | while (*s && isSPACE(*s)) | |
1580 | ++s; | |
1581 | if (*s) { | |
774d564b | 1582 | char *e, *p; |
748a9306 | 1583 | for (e = s; *e && !isSPACE(*e); e++) ; |
774d564b | 1584 | p = savepvn(s, e-s); |
1585 | incpush(p, TRUE); | |
1586 | Safefree(p); | |
fb73857a | 1587 | s = e; |
79072805 LW |
1588 | } |
1589 | else | |
463ee0b2 | 1590 | croak("No space allowed after -I"); |
fb73857a | 1591 | return s; |
79072805 LW |
1592 | case 'l': |
1593 | minus_l = TRUE; | |
1594 | s++; | |
a0d0e21e LW |
1595 | if (ors) |
1596 | Safefree(ors); | |
79072805 | 1597 | if (isDIGIT(*s)) { |
a0d0e21e | 1598 | ors = savepv("\n"); |
79072805 LW |
1599 | orslen = 1; |
1600 | *ors = scan_oct(s, 3 + (*s == '0'), &numlen); | |
1601 | s += numlen; | |
1602 | } | |
1603 | else { | |
a863c7d1 | 1604 | dTHR; |
c07a80fd | 1605 | if (RsPARA(nrs)) { |
6e72f9df | 1606 | ors = "\n\n"; |
c07a80fd | 1607 | orslen = 2; |
1608 | } | |
1609 | else | |
1610 | ors = SvPV(nrs, orslen); | |
6e72f9df | 1611 | ors = savepvn(ors, orslen); |
79072805 LW |
1612 | } |
1613 | return s; | |
1a30305b | 1614 | case 'M': |
bbce6d69 | 1615 | forbid_setid("-M"); /* XXX ? */ |
1a30305b | 1616 | /* FALL THROUGH */ |
1617 | case 'm': | |
bbce6d69 | 1618 | forbid_setid("-m"); /* XXX ? */ |
1a30305b | 1619 | if (*++s) { |
a5f75d66 | 1620 | char *start; |
11343788 | 1621 | SV *sv; |
a5f75d66 AD |
1622 | char *use = "use "; |
1623 | /* -M-foo == 'no foo' */ | |
1624 | if (*s == '-') { use = "no "; ++s; } | |
11343788 | 1625 | sv = newSVpv(use,0); |
a5f75d66 | 1626 | start = s; |
1a30305b | 1627 | /* We allow -M'Module qw(Foo Bar)' */ |
c07a80fd | 1628 | while(isALNUM(*s) || *s==':') ++s; |
1629 | if (*s != '=') { | |
11343788 | 1630 | sv_catpv(sv, start); |
c07a80fd | 1631 | if (*(start-1) == 'm') { |
1632 | if (*s != '\0') | |
1633 | croak("Can't use '%c' after -mname", *s); | |
11343788 | 1634 | sv_catpv( sv, " ()"); |
c07a80fd | 1635 | } |
1636 | } else { | |
11343788 MB |
1637 | sv_catpvn(sv, start, s-start); |
1638 | sv_catpv(sv, " split(/,/,q{"); | |
1639 | sv_catpv(sv, ++s); | |
1640 | sv_catpv(sv, "})"); | |
c07a80fd | 1641 | } |
1a30305b | 1642 | s += strlen(s); |
c07a80fd | 1643 | if (preambleav == NULL) |
1644 | preambleav = newAV(); | |
11343788 | 1645 | av_push(preambleav, sv); |
1a30305b | 1646 | } |
1647 | else | |
1648 | croak("No space allowed after -%c", *(s-1)); | |
1649 | return s; | |
79072805 LW |
1650 | case 'n': |
1651 | minus_n = TRUE; | |
1652 | s++; | |
1653 | return s; | |
1654 | case 'p': | |
1655 | minus_p = TRUE; | |
1656 | s++; | |
1657 | return s; | |
1658 | case 's': | |
bbce6d69 | 1659 | forbid_setid("-s"); |
79072805 LW |
1660 | doswitches = TRUE; |
1661 | s++; | |
1662 | return s; | |
463ee0b2 | 1663 | case 'T': |
f86702cc | 1664 | if (!tainting) |
9607fc9c | 1665 | croak("Too late for \"-T\" option"); |
463ee0b2 LW |
1666 | s++; |
1667 | return s; | |
79072805 LW |
1668 | case 'u': |
1669 | do_undump = TRUE; | |
1670 | s++; | |
1671 | return s; | |
1672 | case 'U': | |
1673 | unsafe = TRUE; | |
1674 | s++; | |
1675 | return s; | |
1676 | case 'v': | |
a5f75d66 | 1677 | #if defined(SUBVERSION) && SUBVERSION > 0 |
fb73857a | 1678 | printf("\nThis is perl, version 5.%03d_%02d built for %s", |
1679 | PATCHLEVEL, SUBVERSION, ARCHNAME); | |
a5f75d66 | 1680 | #else |
fb73857a | 1681 | printf("\nThis is perl, version %s built for %s", |
1682 | patchlevel, ARCHNAME); | |
1683 | #endif | |
1684 | #if defined(LOCAL_PATCH_COUNT) | |
1685 | if (LOCAL_PATCH_COUNT > 0) | |
1686 | printf("\n(with %d registered patch%s, see perl -V for more detail)", | |
1687 | LOCAL_PATCH_COUNT, (LOCAL_PATCH_COUNT!=1) ? "es" : ""); | |
a5f75d66 | 1688 | #endif |
1a30305b | 1689 | |
44a8e56a | 1690 | printf("\n\nCopyright 1987-1997, Larry Wall\n"); |
79072805 | 1691 | #ifdef MSDOS |
fb73857a | 1692 | printf("\nMS-DOS port Copyright (c) 1989, 1990, Diomidis Spinellis\n"); |
55497cff | 1693 | #endif |
1694 | #ifdef DJGPP | |
1695 | printf("djgpp v2 port (jpl5003c) by Hirofumi Watanabe, 1996\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" |
9607fc9c | 1699 | "Version 5 port Copyright (c) 1994-1997, 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"); |
79072805 LW |
1707 | exit(0); |
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 LW |
1718 | case 0: |
1719 | case '\n': | |
1720 | case '\t': | |
1721 | break; | |
aa689395 | 1722 | #ifdef ALTERNATE_SHEBANG |
1723 | case 'S': /* OS/2 needs -S on "extproc" line. */ | |
1724 | break; | |
1725 | #endif | |
a0d0e21e LW |
1726 | case 'P': |
1727 | if (preprocess) | |
1728 | return s+1; | |
1729 | /* FALL THROUGH */ | |
79072805 | 1730 | default: |
a0d0e21e | 1731 | croak("Can't emulate -%.1s on #! line",s); |
79072805 LW |
1732 | } |
1733 | return Nullch; | |
1734 | } | |
1735 | ||
1736 | /* compliments of Tom Christiansen */ | |
1737 | ||
1738 | /* unexec() can be found in the Gnu emacs distribution */ | |
1739 | ||
1740 | void | |
8ac85365 | 1741 | my_unexec(void) |
79072805 LW |
1742 | { |
1743 | #ifdef UNEXEC | |
46fc3d4c | 1744 | SV* prog; |
1745 | SV* file; | |
79072805 LW |
1746 | int status; |
1747 | extern int etext; | |
1748 | ||
46fc3d4c | 1749 | prog = newSVpv(BIN_EXP); |
1750 | sv_catpv(prog, "/perl"); | |
1751 | file = newSVpv(origfilename); | |
1752 | sv_catpv(file, ".perldump"); | |
79072805 | 1753 | |
46fc3d4c | 1754 | status = unexec(SvPVX(file), SvPVX(prog), &etext, sbrk(0), 0); |
79072805 | 1755 | if (status) |
46fc3d4c | 1756 | PerlIO_printf(PerlIO_stderr(), "unexec of %s into %s failed!\n", |
1757 | SvPVX(prog), SvPVX(file)); | |
a0d0e21e | 1758 | exit(status); |
79072805 | 1759 | #else |
a5f75d66 AD |
1760 | # ifdef VMS |
1761 | # include <lib$routines.h> | |
1762 | lib$signal(SS$_DEBUG); /* ssdef.h #included from vmsish.h */ | |
aa689395 | 1763 | # else |
79072805 | 1764 | ABORT(); /* for use with undump */ |
aa689395 | 1765 | # endif |
a5f75d66 | 1766 | #endif |
79072805 LW |
1767 | } |
1768 | ||
1769 | static void | |
8ac85365 | 1770 | init_main_stash(void) |
79072805 | 1771 | { |
11343788 | 1772 | dTHR; |
463ee0b2 | 1773 | GV *gv; |
6e72f9df | 1774 | |
1775 | /* Note that strtab is a rather special HV. Assumptions are made | |
1776 | about not iterating on it, and not adding tie magic to it. | |
1777 | It is properly deallocated in perl_destruct() */ | |
1778 | strtab = newHV(); | |
1779 | HvSHAREKEYS_off(strtab); /* mandatory */ | |
1780 | Newz(506,((XPVHV*)SvANY(strtab))->xhv_array, | |
1781 | sizeof(HE*) * (((XPVHV*)SvANY(strtab))->xhv_max + 1), char); | |
1782 | ||
463ee0b2 | 1783 | curstash = defstash = newHV(); |
79072805 | 1784 | curstname = newSVpv("main",4); |
adbc6bb1 LW |
1785 | gv = gv_fetchpv("main::",TRUE, SVt_PVHV); |
1786 | SvREFCNT_dec(GvHV(gv)); | |
1787 | GvHV(gv) = (HV*)SvREFCNT_inc(defstash); | |
463ee0b2 | 1788 | SvREADONLY_on(gv); |
a0d0e21e | 1789 | HvNAME(defstash) = savepv("main"); |
85e6fe83 | 1790 | incgv = gv_HVadd(gv_AVadd(gv_fetchpv("INC",TRUE, SVt_PVAV))); |
a5f75d66 | 1791 | GvMULTI_on(incgv); |
a0d0e21e | 1792 | defgv = gv_fetchpv("_",TRUE, SVt_PVAV); |
12f917ad MB |
1793 | errgv = gv_HVadd(gv_fetchpv("@", TRUE, SVt_PV)); |
1794 | GvMULTI_on(errgv); | |
84902520 | 1795 | (void)form("%240s",""); /* Preallocate temp - for immediate signals. */ |
38a03e6e MB |
1796 | sv_grow(ERRSV, 240); /* Preallocate - for immediate signals. */ |
1797 | sv_setpvn(ERRSV, "", 0); | |
8990e307 LW |
1798 | curstash = defstash; |
1799 | compiling.cop_stash = defstash; | |
adbc6bb1 | 1800 | debstash = GvHV(gv_fetchpv("DB::", GV_ADDMULTI, SVt_PVHV)); |
4633a7c4 LW |
1801 | /* We must init $/ before switches are processed. */ |
1802 | sv_setpvn(GvSV(gv_fetchpv("/", TRUE, SVt_PV)), "\n", 1); | |
79072805 LW |
1803 | } |
1804 | ||
a0d0e21e LW |
1805 | #ifdef CAN_PROTOTYPE |
1806 | static void | |
1807 | open_script(char *scriptname, bool dosearch, SV *sv) | |
1808 | #else | |
79072805 LW |
1809 | static void |
1810 | open_script(scriptname,dosearch,sv) | |
1811 | char *scriptname; | |
1812 | bool dosearch; | |
1813 | SV *sv; | |
a0d0e21e | 1814 | #endif |
79072805 | 1815 | { |
0f15f207 | 1816 | dTHR; |
79072805 LW |
1817 | char *xfound = Nullch; |
1818 | char *xfailed = Nullch; | |
1819 | register char *s; | |
1820 | I32 len; | |
a38d6535 LW |
1821 | int retval; |
1822 | #if defined(DOSISH) && !defined(OS2) && !defined(atarist) | |
fc36a67e | 1823 | # define SEARCH_EXTS ".bat", ".cmd", NULL |
1824 | # define MAX_EXT_LEN 4 | |
a38d6535 | 1825 | #endif |
d8c2d278 IZ |
1826 | #ifdef OS2 |
1827 | # define SEARCH_EXTS ".cmd", ".btm", ".bat", ".pl", NULL | |
1828 | # define MAX_EXT_LEN 4 | |
1829 | #endif | |
ab821d7f | 1830 | #ifdef VMS |
1831 | # define SEARCH_EXTS ".pl", ".com", NULL | |
fc36a67e | 1832 | # define MAX_EXT_LEN 4 |
ab821d7f | 1833 | #endif |
a38d6535 LW |
1834 | /* additional extensions to try in each dir if scriptname not found */ |
1835 | #ifdef SEARCH_EXTS | |
1836 | char *ext[] = { SEARCH_EXTS }; | |
2a92aaa0 GS |
1837 | int extidx = 0, i = 0; |
1838 | char *curext = Nullch; | |
fc36a67e | 1839 | #else |
1840 | # define MAX_EXT_LEN 0 | |
a38d6535 | 1841 | #endif |
79072805 | 1842 | |
2a92aaa0 GS |
1843 | /* |
1844 | * If dosearch is true and if scriptname does not contain path | |
1845 | * delimiters, search the PATH for scriptname. | |
1846 | * | |
1847 | * If SEARCH_EXTS is also defined, will look for each | |
1848 | * scriptname{SEARCH_EXTS} whenever scriptname is not found | |
1849 | * while searching the PATH. | |
1850 | * | |
1851 | * Assuming SEARCH_EXTS is C<".foo",".bar",NULL>, PATH search | |
1852 | * proceeds as follows: | |
1853 | * If DOSISH: | |
1854 | * + look for ./scriptname{,.foo,.bar} | |
1855 | * + search the PATH for scriptname{,.foo,.bar} | |
1856 | * | |
1857 | * If !DOSISH: | |
1858 | * + look *only* in the PATH for scriptname{,.foo,.bar} (note | |
1859 | * this will not look in '.' if it's not in the PATH) | |
1860 | */ | |
1861 | ||
c07a80fd | 1862 | #ifdef VMS |
6e72f9df | 1863 | if (dosearch) { |
1864 | int hasdir, idx = 0, deftypes = 1; | |
1a2dec3c | 1865 | bool seen_dot = 1; |
6e72f9df | 1866 | |
1867 | hasdir = (strpbrk(scriptname,":[</") != Nullch) ; | |
1868 | /* The first time through, just add SEARCH_EXTS to whatever we | |
1869 | * already have, so we can check for default file types. */ | |
fc36a67e | 1870 | while (deftypes || |
1871 | (!hasdir && my_trnlnm("DCL$PATH",tokenbuf,idx++)) ) | |
1872 | { | |
1873 | if (deftypes) { | |
1874 | deftypes = 0; | |
1875 | *tokenbuf = '\0'; | |
1876 | } | |
1877 | if ((strlen(tokenbuf) + strlen(scriptname) | |
1878 | + MAX_EXT_LEN) >= sizeof tokenbuf) | |
1879 | continue; /* don't search dir with too-long name */ | |
1880 | strcat(tokenbuf, scriptname); | |
c07a80fd | 1881 | #else /* !VMS */ |
2a92aaa0 | 1882 | |
fc36a67e | 1883 | #ifdef DOSISH |
2a92aaa0 | 1884 | if (strEQ(scriptname, "-")) |
84902520 | 1885 | dosearch = 0; |
2a92aaa0 GS |
1886 | if (dosearch) { /* Look in '.' first. */ |
1887 | char *cur = scriptname; | |
1888 | #ifdef SEARCH_EXTS | |
1889 | if ((curext = strrchr(scriptname,'.'))) /* possible current ext */ | |
1890 | while (ext[i]) | |
1891 | if (strEQ(ext[i++],curext)) { | |
1892 | extidx = -1; /* already has an ext */ | |
1893 | break; | |
1894 | } | |
1895 | do { | |
79072805 | 1896 | #endif |
2a92aaa0 GS |
1897 | DEBUG_p(PerlIO_printf(Perl_debug_log, |
1898 | "Looking for %s\n",cur)); | |
1899 | if (Stat(cur,&statbuf) >= 0) { | |
1900 | dosearch = 0; | |
1901 | scriptname = cur; | |
84902520 | 1902 | #ifdef SEARCH_EXTS |
2a92aaa0 | 1903 | break; |
84902520 | 1904 | #endif |
2a92aaa0 GS |
1905 | } |
1906 | #ifdef SEARCH_EXTS | |
1907 | if (cur == scriptname) { | |
1908 | len = strlen(scriptname); | |
1909 | if (len+MAX_EXT_LEN+1 >= sizeof(tokenbuf)) | |
1910 | break; | |
1911 | cur = strcpy(tokenbuf, scriptname); | |
1912 | } | |
1913 | } while (extidx >= 0 && ext[extidx] /* try an extension? */ | |
1914 | && strcpy(tokenbuf+len, ext[extidx++])); | |
1915 | #endif | |
1916 | } | |
1917 | #endif | |
84902520 | 1918 | |
e92c4225 WJ |
1919 | if (dosearch && !strchr(scriptname, '/') |
1920 | #ifdef DOSISH | |
1921 | && !strchr(scriptname, '\\') | |
1922 | #endif | |
1923 | && (s = getenv("PATH"))) { | |
2a92aaa0 | 1924 | bool seen_dot = 0; |
84902520 | 1925 | |
79072805 | 1926 | bufend = s + strlen(s); |
fc36a67e | 1927 | while (s < bufend) { |
2a92aaa0 GS |
1928 | #if defined(atarist) || defined(DOSISH) |
1929 | for (len = 0; *s | |
1930 | # ifdef atarist | |
1931 | && *s != ',' | |
1932 | # endif | |
1933 | && *s != ';'; len++, s++) { | |
fc36a67e | 1934 | if (len < sizeof tokenbuf) |
1935 | tokenbuf[len] = *s; | |
1936 | } | |
1937 | if (len < sizeof tokenbuf) | |
1938 | tokenbuf[len] = '\0'; | |
84902520 TB |
1939 | #else /* ! (atarist || DOSISH) */ |
1940 | s = delimcpy(tokenbuf, tokenbuf + sizeof tokenbuf, s, bufend, | |
1941 | ':', | |
1942 | &len); | |
1943 | #endif /* ! (atarist || DOSISH) */ | |
fc36a67e | 1944 | if (s < bufend) |
79072805 | 1945 | s++; |
fc36a67e | 1946 | if (len + 1 + strlen(scriptname) + MAX_EXT_LEN >= sizeof tokenbuf) |
1947 | continue; /* don't search dir with too-long name */ | |
1948 | if (len | |
fc36a67e | 1949 | #if defined(atarist) || defined(DOSISH) |
2a92aaa0 | 1950 | && tokenbuf[len - 1] != '/' |
fc36a67e | 1951 | && tokenbuf[len - 1] != '\\' |
79072805 | 1952 | #endif |
fc36a67e | 1953 | ) |
1954 | tokenbuf[len++] = '/'; | |
84902520 | 1955 | if (len == 2 && tokenbuf[0] == '.') |
2a92aaa0 | 1956 | seen_dot = 1; |
fc36a67e | 1957 | (void)strcpy(tokenbuf + len, scriptname); |
c07a80fd | 1958 | #endif /* !VMS */ |
a38d6535 LW |
1959 | |
1960 | #ifdef SEARCH_EXTS | |
1961 | len = strlen(tokenbuf); | |
1962 | if (extidx > 0) /* reset after previous loop */ | |
1963 | extidx = 0; | |
1964 | do { | |
1965 | #endif | |
760ac839 | 1966 | DEBUG_p(PerlIO_printf(Perl_debug_log, "Looking for %s\n",tokenbuf)); |
a38d6535 LW |
1967 | retval = Stat(tokenbuf,&statbuf); |
1968 | #ifdef SEARCH_EXTS | |
1969 | } while ( retval < 0 /* not there */ | |
1970 | && extidx>=0 && ext[extidx] /* try an extension? */ | |
1971 | && strcpy(tokenbuf+len, ext[extidx++]) | |
1972 | ); | |
1973 | #endif | |
1974 | if (retval < 0) | |
79072805 LW |
1975 | continue; |
1976 | if (S_ISREG(statbuf.st_mode) | |
c90c0ff4 | 1977 | && cando(S_IRUSR,TRUE,&statbuf) |
1978 | #ifndef DOSISH | |
1979 | && cando(S_IXUSR,TRUE,&statbuf) | |
1980 | #endif | |
1981 | ) | |
1982 | { | |
79072805 LW |
1983 | xfound = tokenbuf; /* bingo! */ |
1984 | break; | |
1985 | } | |
1986 | if (!xfailed) | |
a0d0e21e | 1987 | xfailed = savepv(tokenbuf); |
79072805 | 1988 | } |
2a92aaa0 GS |
1989 | #ifndef DOSISH |
1990 | if (!xfound && !seen_dot && !xfailed && (Stat(scriptname,&statbuf) < 0)) | |
84902520 TB |
1991 | #endif |
1992 | seen_dot = 1; /* Disable message. */ | |
79072805 | 1993 | if (!xfound) |
84902520 | 1994 | croak("Can't %s %s%s%s", |
2a92aaa0 GS |
1995 | (xfailed ? "execute" : "find"), |
1996 | (xfailed ? xfailed : scriptname), | |
1997 | (xfailed ? "" : " on PATH"), | |
1998 | (xfailed || seen_dot) ? "" : ", '.' not in PATH"); | |
79072805 LW |
1999 | if (xfailed) |
2000 | Safefree(xfailed); | |
2001 | scriptname = xfound; | |
2002 | } | |
2003 | ||
96436eeb | 2004 | if (strnEQ(scriptname, "/dev/fd/", 8) && isDIGIT(scriptname[8]) ) { |
2005 | char *s = scriptname + 8; | |
2006 | fdscript = atoi(s); | |
2007 | while (isDIGIT(*s)) | |
2008 | s++; | |
2009 | if (*s) | |
2010 | scriptname = s + 1; | |
2011 | } | |
2012 | else | |
2013 | fdscript = -1; | |
ab821d7f | 2014 | origfilename = savepv(e_tmpname ? "-e" : scriptname); |
79072805 LW |
2015 | curcop->cop_filegv = gv_fetchfile(origfilename); |
2016 | if (strEQ(origfilename,"-")) | |
2017 | scriptname = ""; | |
96436eeb | 2018 | if (fdscript >= 0) { |
760ac839 | 2019 | rsfp = PerlIO_fdopen(fdscript,"r"); |
96436eeb | 2020 | #if defined(HAS_FCNTL) && defined(F_SETFD) |
7aa04957 CS |
2021 | if (rsfp) |
2022 | fcntl(PerlIO_fileno(rsfp),F_SETFD,1); /* ensure close-on-exec */ | |
96436eeb | 2023 | #endif |
2024 | } | |
2025 | else if (preprocess) { | |
46fc3d4c | 2026 | char *cpp_cfg = CPPSTDIN; |
2027 | SV *cpp = NEWSV(0,0); | |
2028 | SV *cmd = NEWSV(0,0); | |
2029 | ||
2030 | if (strEQ(cpp_cfg, "cppstdin")) | |
2031 | sv_catpvf(cpp, "%s/", BIN_EXP); | |
2032 | sv_catpv(cpp, cpp_cfg); | |
79072805 | 2033 | |
79072805 | 2034 | sv_catpv(sv,"-I"); |
fed7345c | 2035 | sv_catpv(sv,PRIVLIB_EXP); |
46fc3d4c | 2036 | |
79072805 | 2037 | #ifdef MSDOS |
46fc3d4c | 2038 | sv_setpvf(cmd, "\ |
79072805 LW |
2039 | sed %s -e \"/^[^#]/b\" \ |
2040 | -e \"/^#[ ]*include[ ]/b\" \ | |
2041 | -e \"/^#[ ]*define[ ]/b\" \ | |
2042 | -e \"/^#[ ]*if[ ]/b\" \ | |
2043 | -e \"/^#[ ]*ifdef[ ]/b\" \ | |
2044 | -e \"/^#[ ]*ifndef[ ]/b\" \ | |
2045 | -e \"/^#[ ]*else/b\" \ | |
2046 | -e \"/^#[ ]*elif[ ]/b\" \ | |
2047 | -e \"/^#[ ]*undef[ ]/b\" \ | |
2048 | -e \"/^#[ ]*endif/b\" \ | |
2049 | -e \"s/^#.*//\" \ | |
fc36a67e | 2050 | %s | %_ -C %_ %s", |
79072805 LW |
2051 | (doextract ? "-e \"1,/^#/d\n\"" : ""), |
2052 | #else | |
46fc3d4c | 2053 | sv_setpvf(cmd, "\ |
79072805 LW |
2054 | %s %s -e '/^[^#]/b' \ |
2055 | -e '/^#[ ]*include[ ]/b' \ | |
2056 | -e '/^#[ ]*define[ ]/b' \ | |
2057 | -e '/^#[ ]*if[ ]/b' \ | |
2058 | -e '/^#[ ]*ifdef[ ]/b' \ | |
2059 | -e '/^#[ ]*ifndef[ ]/b' \ | |
2060 | -e '/^#[ ]*else/b' \ | |
2061 | -e '/^#[ ]*elif[ ]/b' \ | |
2062 | -e '/^#[ ]*undef[ ]/b' \ | |
2063 | -e '/^#[ ]*endif/b' \ | |
2064 | -e 's/^[ ]*#.*//' \ | |
fc36a67e | 2065 | %s | %_ -C %_ %s", |
79072805 LW |
2066 | #ifdef LOC_SED |
2067 | LOC_SED, | |
2068 | #else | |
2069 | "sed", | |
2070 | #endif | |
2071 | (doextract ? "-e '1,/^#/d\n'" : ""), | |
2072 | #endif | |
46fc3d4c | 2073 | scriptname, cpp, sv, CPPMINUS); |
79072805 LW |
2074 | doextract = FALSE; |
2075 | #ifdef IAMSUID /* actually, this is caught earlier */ | |
2076 | if (euid != uid && !euid) { /* if running suidperl */ | |
2077 | #ifdef HAS_SETEUID | |
2078 | (void)seteuid(uid); /* musn't stay setuid root */ | |
2079 | #else | |
2080 | #ifdef HAS_SETREUID | |
85e6fe83 LW |
2081 | (void)setreuid((Uid_t)-1, uid); |
2082 | #else | |
2083 | #ifdef HAS_SETRESUID | |
2084 | (void)setresuid((Uid_t)-1, uid, (Uid_t)-1); | |
79072805 LW |
2085 | #else |
2086 | setuid(uid); | |
2087 | #endif | |
2088 | #endif | |
85e6fe83 | 2089 | #endif |
79072805 | 2090 | if (geteuid() != uid) |
463ee0b2 | 2091 | croak("Can't do seteuid!\n"); |
79072805 LW |
2092 | } |
2093 | #endif /* IAMSUID */ | |
46fc3d4c | 2094 | rsfp = my_popen(SvPVX(cmd), "r"); |
2095 | SvREFCNT_dec(cmd); | |
2096 | SvREFCNT_dec(cpp); | |
79072805 LW |
2097 | } |
2098 | else if (!*scriptname) { | |
bbce6d69 | 2099 | forbid_setid("program input from stdin"); |
760ac839 | 2100 | rsfp = PerlIO_stdin(); |
79072805 | 2101 | } |
96436eeb | 2102 | else { |
760ac839 | 2103 | rsfp = PerlIO_open(scriptname,"r"); |
96436eeb | 2104 | #if defined(HAS_FCNTL) && defined(F_SETFD) |
7aa04957 CS |
2105 | if (rsfp) |
2106 | fcntl(PerlIO_fileno(rsfp),F_SETFD,1); /* ensure close-on-exec */ | |
96436eeb | 2107 | #endif |
2108 | } | |
5dd60ef7 | 2109 | if (e_tmpname) { |
2110 | e_fp = rsfp; | |
2111 | } | |
7aa04957 | 2112 | if (!rsfp) { |
13281fa4 | 2113 | #ifdef DOSUID |
a687059c | 2114 | #ifndef IAMSUID /* in case script is not readable before setuid */ |
a0d0e21e | 2115 | if (euid && Stat(SvPVX(GvSV(curcop->cop_filegv)),&statbuf) >= 0 && |
13281fa4 | 2116 | statbuf.st_mode & (S_ISUID|S_ISGID)) { |
46fc3d4c | 2117 | /* try again */ |
2118 | execv(form("%s/sperl%s", BIN_EXP, patchlevel), origargv); | |
463ee0b2 | 2119 | croak("Can't do setuid\n"); |
13281fa4 LW |
2120 | } |
2121 | #endif | |
2122 | #endif | |
463ee0b2 | 2123 | croak("Can't open perl script \"%s\": %s\n", |
2304df62 | 2124 | SvPVX(GvSV(curcop->cop_filegv)), Strerror(errno)); |
13281fa4 | 2125 | } |
79072805 | 2126 | } |
8d063cd8 | 2127 | |
79072805 | 2128 | static void |
8ac85365 | 2129 | validate_suid(char *validarg, char *scriptname) |
79072805 | 2130 | { |
96436eeb | 2131 | int which; |
2132 | ||
13281fa4 LW |
2133 | /* do we need to emulate setuid on scripts? */ |
2134 | ||
2135 | /* This code is for those BSD systems that have setuid #! scripts disabled | |
2136 | * in the kernel because of a security problem. Merely defining DOSUID | |
2137 | * in perl will not fix that problem, but if you have disabled setuid | |
2138 | * scripts in the kernel, this will attempt to emulate setuid and setgid | |
2139 | * on scripts that have those now-otherwise-useless bits set. The setuid | |
27e2fb84 LW |
2140 | * root version must be called suidperl or sperlN.NNN. If regular perl |
2141 | * discovers that it has opened a setuid script, it calls suidperl with | |
2142 | * the same argv that it had. If suidperl finds that the script it has | |
2143 | * just opened is NOT setuid root, it sets the effective uid back to the | |
2144 | * uid. We don't just make perl setuid root because that loses the | |
2145 | * effective uid we had before invoking perl, if it was different from the | |
2146 | * uid. | |
13281fa4 LW |
2147 | * |
2148 | * DOSUID must be defined in both perl and suidperl, and IAMSUID must | |
2149 | * be defined in suidperl only. suidperl must be setuid root. The | |
2150 | * Configure script will set this up for you if you want it. | |
2151 | */ | |
a687059c | 2152 | |
13281fa4 | 2153 | #ifdef DOSUID |
ea0efc06 | 2154 | dTHR; |
6e72f9df | 2155 | char *s, *s2; |
a0d0e21e | 2156 | |
760ac839 | 2157 | if (Fstat(PerlIO_fileno(rsfp),&statbuf) < 0) /* normal stat is insecure */ |
463ee0b2 | 2158 | croak("Can't stat script \"%s\"",origfilename); |
96436eeb | 2159 | if (fdscript < 0 && statbuf.st_mode & (S_ISUID|S_ISGID)) { |
79072805 | 2160 | I32 len; |
13281fa4 | 2161 | |
a687059c | 2162 | #ifdef IAMSUID |
fe14fcc3 | 2163 | #ifndef HAS_SETREUID |
a687059c LW |
2164 | /* On this access check to make sure the directories are readable, |
2165 | * there is actually a small window that the user could use to make | |
2166 | * filename point to an accessible directory. So there is a faint | |
2167 | * chance that someone could execute a setuid script down in a | |
2168 | * non-accessible directory. I don't know what to do about that. | |
2169 | * But I don't think it's too important. The manual lies when | |
2170 | * it says access() is useful in setuid programs. | |
2171 | */ | |
463ee0b2 LW |
2172 | if (access(SvPVX(GvSV(curcop->cop_filegv)),1)) /*double check*/ |
2173 | croak("Permission denied"); | |
a687059c LW |
2174 | #else |
2175 | /* If we can swap euid and uid, then we can determine access rights | |
2176 | * with a simple stat of the file, and then compare device and | |
2177 | * inode to make sure we did stat() on the same file we opened. | |
2178 | * Then we just have to make sure he or she can execute it. | |
2179 | */ | |
2180 | { | |
2181 | struct stat tmpstatbuf; | |
2182 | ||
85e6fe83 LW |
2183 | if ( |
2184 | #ifdef HAS_SETREUID | |
2185 | setreuid(euid,uid) < 0 | |
a0d0e21e LW |
2186 | #else |
2187 | # if HAS_SETRESUID | |
85e6fe83 | 2188 | setresuid(euid,uid,(Uid_t)-1) < 0 |
a0d0e21e | 2189 | # endif |
85e6fe83 LW |
2190 | #endif |
2191 | || getuid() != euid || geteuid() != uid) | |
463ee0b2 | 2192 | croak("Can't swap uid and euid"); /* really paranoid */ |
a0d0e21e | 2193 | if (Stat(SvPVX(GvSV(curcop->cop_filegv)),&tmpstatbuf) < 0) |
463ee0b2 | 2194 | croak("Permission denied"); /* testing full pathname here */ |
a687059c LW |
2195 | if (tmpstatbuf.st_dev != statbuf.st_dev || |
2196 | tmpstatbuf.st_ino != statbuf.st_ino) { | |
760ac839 | 2197 | (void)PerlIO_close(rsfp); |
79072805 | 2198 | if (rsfp = my_popen("/bin/mail root","w")) { /* heh, heh */ |
760ac839 | 2199 | PerlIO_printf(rsfp, |
ff0cee69 | 2200 | "User %ld tried to run dev %ld ino %ld in place of dev %ld ino %ld!\n\ |
2201 | (Filename of set-id script was %s, uid %ld gid %ld.)\n\nSincerely,\nperl\n", | |
2202 | (long)uid,(long)tmpstatbuf.st_dev, (long)tmpstatbuf.st_ino, | |
2203 | (long)statbuf.st_dev, (long)statbuf.st_ino, | |
463ee0b2 | 2204 | SvPVX(GvSV(curcop->cop_filegv)), |
ff0cee69 | 2205 | (long)statbuf.st_uid, (long)statbuf.st_gid); |
79072805 | 2206 | (void)my_pclose(rsfp); |
a687059c | 2207 | } |
463ee0b2 | 2208 | croak("Permission denied\n"); |
a687059c | 2209 | } |
85e6fe83 LW |
2210 | if ( |
2211 | #ifdef HAS_SETREUID | |
2212 | setreuid(uid,euid) < 0 | |
a0d0e21e LW |
2213 | #else |
2214 | # if defined(HAS_SETRESUID) | |
85e6fe83 | 2215 | setresuid(uid,euid,(Uid_t)-1) < 0 |
a0d0e21e | 2216 | # endif |
85e6fe83 LW |
2217 | #endif |
2218 | || getuid() != uid || geteuid() != euid) | |
463ee0b2 | 2219 | croak("Can't reswap uid and euid"); |
27e2fb84 | 2220 | if (!cando(S_IXUSR,FALSE,&statbuf)) /* can real uid exec? */ |
463ee0b2 | 2221 | croak("Permission denied\n"); |
a687059c | 2222 | } |
fe14fcc3 | 2223 | #endif /* HAS_SETREUID */ |
a687059c LW |
2224 | #endif /* IAMSUID */ |
2225 | ||
27e2fb84 | 2226 | if (!S_ISREG(statbuf.st_mode)) |
463ee0b2 | 2227 | croak("Permission denied"); |
27e2fb84 | 2228 | if (statbuf.st_mode & S_IWOTH) |
463ee0b2 | 2229 | croak("Setuid/gid script is writable by world"); |
13281fa4 | 2230 | doswitches = FALSE; /* -s is insecure in suid */ |
79072805 | 2231 | curcop->cop_line++; |
760ac839 LW |
2232 | if (sv_gets(linestr, rsfp, 0) == Nullch || |
2233 | strnNE(SvPV(linestr,na),"#!",2) ) /* required even on Sys V */ | |
463ee0b2 | 2234 | croak("No #! line"); |
760ac839 | 2235 | s = SvPV(linestr,na)+2; |
663a0e37 | 2236 | if (*s == ' ') s++; |
45d8adaa | 2237 | while (!isSPACE(*s)) s++; |
760ac839 | 2238 | for (s2 = s; (s2 > SvPV(linestr,na)+2 && |
6e72f9df | 2239 | (isDIGIT(s2[-1]) || strchr("._-", s2[-1]))); s2--) ; |
2240 | if (strnNE(s2-4,"perl",4) && strnNE(s-9,"perl",4)) /* sanity check */ | |
463ee0b2 | 2241 | croak("Not a perl script"); |
a687059c | 2242 | while (*s == ' ' || *s == '\t') s++; |
13281fa4 LW |
2243 | /* |
2244 | * #! arg must be what we saw above. They can invoke it by | |
2245 | * mentioning suidperl explicitly, but they may not add any strange | |
2246 | * arguments beyond what #! says if they do invoke suidperl that way. | |
2247 | */ | |
2248 | len = strlen(validarg); | |
2249 | if (strEQ(validarg," PHOOEY ") || | |
45d8adaa | 2250 | strnNE(s,validarg,len) || !isSPACE(s[len])) |
463ee0b2 | 2251 | croak("Args must match #! line"); |
a687059c LW |
2252 | |
2253 | #ifndef IAMSUID | |
2254 | if (euid != uid && (statbuf.st_mode & S_ISUID) && | |
2255 | euid == statbuf.st_uid) | |
2256 | if (!do_undump) | |
463ee0b2 | 2257 | croak("YOU HAVEN'T DISABLED SET-ID SCRIPTS IN THE KERNEL YET!\n\ |
a687059c LW |
2258 | FIX YOUR KERNEL, PUT A C WRAPPER AROUND THIS SCRIPT, OR USE -u AND UNDUMP!\n"); |
2259 | #endif /* IAMSUID */ | |
13281fa4 LW |
2260 | |
2261 | if (euid) { /* oops, we're not the setuid root perl */ | |
760ac839 | 2262 | (void)PerlIO_close(rsfp); |
13281fa4 | 2263 | #ifndef IAMSUID |
46fc3d4c | 2264 | /* try again */ |
2265 | execv(form("%s/sperl%s", BIN_EXP, patchlevel), origargv); | |
13281fa4 | 2266 | #endif |
463ee0b2 | 2267 | croak("Can't do setuid\n"); |
13281fa4 LW |
2268 | } |
2269 | ||
83025b21 | 2270 | if (statbuf.st_mode & S_ISGID && statbuf.st_gid != egid) { |
fe14fcc3 | 2271 | #ifdef HAS_SETEGID |
a687059c LW |
2272 | (void)setegid(statbuf.st_gid); |
2273 | #else | |
fe14fcc3 | 2274 | #ifdef HAS_SETREGID |
85e6fe83 LW |
2275 | (void)setregid((Gid_t)-1,statbuf.st_gid); |
2276 | #else | |
2277 | #ifdef HAS_SETRESGID | |
2278 | (void)setresgid((Gid_t)-1,statbuf.st_gid,(Gid_t)-1); | |
a687059c LW |
2279 | #else |
2280 | setgid(statbuf.st_gid); | |
2281 | #endif | |
2282 | #endif | |
85e6fe83 | 2283 | #endif |
83025b21 | 2284 | if (getegid() != statbuf.st_gid) |
463ee0b2 | 2285 | croak("Can't do setegid!\n"); |
83025b21 | 2286 | } |
a687059c LW |
2287 | if (statbuf.st_mode & S_ISUID) { |
2288 | if (statbuf.st_uid != euid) | |
fe14fcc3 | 2289 | #ifdef HAS_SETEUID |
a687059c LW |
2290 | (void)seteuid(statbuf.st_uid); /* all that for this */ |
2291 | #else | |
fe14fcc3 | 2292 | #ifdef HAS_SETREUID |
85e6fe83 LW |
2293 | (void)setreuid((Uid_t)-1,statbuf.st_uid); |
2294 | #else | |
2295 | #ifdef HAS_SETRESUID | |
2296 | (void)setresuid((Uid_t)-1,statbuf.st_uid,(Uid_t)-1); | |
a687059c LW |
2297 | #else |
2298 | setuid(statbuf.st_uid); | |
2299 | #endif | |
2300 | #endif | |
85e6fe83 | 2301 | #endif |
83025b21 | 2302 | if (geteuid() != statbuf.st_uid) |
463ee0b2 | 2303 | croak("Can't do seteuid!\n"); |
a687059c | 2304 | } |
83025b21 | 2305 | else if (uid) { /* oops, mustn't run as root */ |
fe14fcc3 | 2306 | #ifdef HAS_SETEUID |
85e6fe83 | 2307 | (void)seteuid((Uid_t)uid); |
a687059c | 2308 | #else |
fe14fcc3 | 2309 | #ifdef HAS_SETREUID |
85e6fe83 | 2310 | (void)setreuid((Uid_t)-1,(Uid_t)uid); |
a687059c | 2311 | #else |
85e6fe83 LW |
2312 | #ifdef HAS_SETRESUID |
2313 | (void)setresuid((Uid_t)-1,(Uid_t)uid,(Uid_t)-1); | |
2314 | #else | |
2315 | setuid((Uid_t)uid); | |
2316 | #endif | |
a687059c LW |
2317 | #endif |
2318 | #endif | |
83025b21 | 2319 | if (geteuid() != uid) |
463ee0b2 | 2320 | croak("Can't do seteuid!\n"); |
83025b21 | 2321 | } |
748a9306 | 2322 | init_ids(); |
27e2fb84 | 2323 | if (!cando(S_IXUSR,TRUE,&statbuf)) |
463ee0b2 | 2324 | croak("Permission denied\n"); /* they can't do this */ |
13281fa4 LW |
2325 | } |
2326 | #ifdef IAMSUID | |
2327 | else if (preprocess) | |
463ee0b2 | 2328 | croak("-P not allowed for setuid/setgid script\n"); |
96436eeb | 2329 | else if (fdscript >= 0) |
2330 | croak("fd script not allowed in suidperl\n"); | |
13281fa4 | 2331 | else |
463ee0b2 | 2332 | croak("Script is not setuid/setgid in suidperl\n"); |
96436eeb | 2333 | |
2334 | /* We absolutely must clear out any saved ids here, so we */ | |
2335 | /* exec the real perl, substituting fd script for scriptname. */ | |
2336 | /* (We pass script name as "subdir" of fd, which perl will grok.) */ | |
760ac839 LW |
2337 | PerlIO_rewind(rsfp); |
2338 | lseek(PerlIO_fileno(rsfp),(Off_t)0,0); /* just in case rewind didn't */ | |
96436eeb | 2339 | for (which = 1; origargv[which] && origargv[which] != scriptname; which++) ; |
2340 | if (!origargv[which]) | |
2341 | croak("Permission denied"); | |
46fc3d4c | 2342 | origargv[which] = savepv(form("/dev/fd/%d/%s", |
2343 | PerlIO_fileno(rsfp), origargv[which])); | |
96436eeb | 2344 | #if defined(HAS_FCNTL) && defined(F_SETFD) |
760ac839 | 2345 | fcntl(PerlIO_fileno(rsfp),F_SETFD,0); /* ensure no close-on-exec */ |
96436eeb | 2346 | #endif |
46fc3d4c | 2347 | execv(form("%s/perl%s", BIN_EXP, patchlevel), origargv); /* try again */ |
96436eeb | 2348 | croak("Can't do setuid\n"); |
13281fa4 | 2349 | #endif /* IAMSUID */ |
a687059c | 2350 | #else /* !DOSUID */ |
a687059c LW |
2351 | if (euid != uid || egid != gid) { /* (suidperl doesn't exist, in fact) */ |
2352 | #ifndef SETUID_SCRIPTS_ARE_SECURE_NOW | |
96827780 | 2353 | dTHR; |
760ac839 | 2354 | Fstat(PerlIO_fileno(rsfp),&statbuf); /* may be either wrapped or real suid */ |
a687059c LW |
2355 | if ((euid != uid && euid == statbuf.st_uid && statbuf.st_mode & S_ISUID) |
2356 | || | |
2357 | (egid != gid && egid == statbuf.st_gid && statbuf.st_mode & S_ISGID) | |
2358 | ) | |
2359 | if (!do_undump) | |
463ee0b2 | 2360 | croak("YOU HAVEN'T DISABLED SET-ID SCRIPTS IN THE KERNEL YET!\n\ |
a687059c LW |
2361 | FIX YOUR KERNEL, PUT A C WRAPPER AROUND THIS SCRIPT, OR USE -u AND UNDUMP!\n"); |
2362 | #endif /* SETUID_SCRIPTS_ARE_SECURE_NOW */ | |
2363 | /* not set-id, must be wrapped */ | |
a687059c | 2364 | } |
13281fa4 | 2365 | #endif /* DOSUID */ |
79072805 | 2366 | } |
13281fa4 | 2367 | |
79072805 | 2368 | static void |
8ac85365 | 2369 | find_beginning(void) |
79072805 | 2370 | { |
6e72f9df | 2371 | register char *s, *s2; |
33b78306 LW |
2372 | |
2373 | /* skip forward in input to the real script? */ | |
2374 | ||
bbce6d69 | 2375 | forbid_setid("-x"); |
33b78306 | 2376 | while (doextract) { |
79072805 | 2377 | if ((s = sv_gets(linestr, rsfp, 0)) == Nullch) |
463ee0b2 | 2378 | croak("No Perl script found in input\n"); |
6e72f9df | 2379 | if (*s == '#' && s[1] == '!' && (s = instr(s,"perl"))) { |
760ac839 | 2380 | PerlIO_ungetc(rsfp, '\n'); /* to keep line count right */ |
33b78306 | 2381 | doextract = FALSE; |
6e72f9df | 2382 | while (*s && !(isSPACE (*s) || *s == '#')) s++; |
2383 | s2 = s; | |
2384 | while (*s == ' ' || *s == '\t') s++; | |
2385 | if (*s++ == '-') { | |
2386 | while (isDIGIT(s2[-1]) || strchr("-._", s2[-1])) s2--; | |
2387 | if (strnEQ(s2-4,"perl",4)) | |
2388 | /*SUPPRESS 530*/ | |
2389 | while (s = moreswitches(s)) ; | |
33b78306 | 2390 | } |
79072805 | 2391 | if (cddir && chdir(cddir) < 0) |
463ee0b2 | 2392 | croak("Can't chdir to %s",cddir); |
83025b21 LW |
2393 | } |
2394 | } | |
2395 | } | |
2396 | ||
79072805 | 2397 | static void |
8ac85365 | 2398 | init_ids(void) |
352d5a3a | 2399 | { |
748a9306 LW |
2400 | uid = (int)getuid(); |
2401 | euid = (int)geteuid(); | |
2402 | gid = (int)getgid(); | |
2403 | egid = (int)getegid(); | |
2404 | #ifdef VMS | |
2405 | uid |= gid << 16; | |
2406 | euid |= egid << 16; | |
2407 | #endif | |
4633a7c4 | 2408 | tainting |= (uid && (euid != uid || egid != gid)); |
748a9306 | 2409 | } |
79072805 | 2410 | |
748a9306 | 2411 | static void |
8ac85365 | 2412 | forbid_setid(char *s) |
bbce6d69 | 2413 | { |
2414 | if (euid != uid) | |
2415 | croak("No %s allowed while running setuid", s); | |
2416 | if (egid != gid) | |
2417 | croak("No %s allowed while running setgid", s); | |
2418 | } | |
2419 | ||
2420 | static void | |
8ac85365 | 2421 | init_debugger(void) |
748a9306 | 2422 | { |
11343788 | 2423 | dTHR; |
79072805 | 2424 | curstash = debstash; |
748a9306 | 2425 | dbargs = GvAV(gv_AVadd((gv_fetchpv("args", GV_ADDMULTI, SVt_PVAV)))); |
79072805 | 2426 | AvREAL_off(dbargs); |
a0d0e21e LW |
2427 | DBgv = gv_fetchpv("DB", GV_ADDMULTI, SVt_PVGV); |
2428 | DBline = gv_fetchpv("dbline", GV_ADDMULTI, SVt_PVAV); | |
748a9306 LW |
2429 | DBsub = gv_HVadd(gv_fetchpv("sub", GV_ADDMULTI, SVt_PVHV)); |
2430 | DBsingle = GvSV((gv_fetchpv("single", GV_ADDMULTI, SVt_PV))); | |
c07a80fd | 2431 | sv_setiv(DBsingle, 0); |
748a9306 | 2432 | DBtrace = GvSV((gv_fetchpv("trace", GV_ADDMULTI, SVt_PV))); |
c07a80fd | 2433 | sv_setiv(DBtrace, 0); |
748a9306 | 2434 | DBsignal = GvSV((gv_fetchpv("signal", GV_ADDMULTI, SVt_PV))); |
c07a80fd | 2435 | sv_setiv(DBsignal, 0); |
79072805 | 2436 | curstash = defstash; |
352d5a3a LW |
2437 | } |
2438 | ||
11343788 | 2439 | void |
8ac85365 | 2440 | init_stacks(ARGSproto) |
79072805 | 2441 | { |
6e72f9df | 2442 | curstack = newAV(); |
5f05dabc | 2443 | mainstack = curstack; /* remember in case we switch stacks */ |
2444 | AvREAL_off(curstack); /* not a real array */ | |
6e72f9df | 2445 | av_extend(curstack,127); |
79072805 | 2446 | |
6e72f9df | 2447 | stack_base = AvARRAY(curstack); |
79072805 | 2448 | stack_sp = stack_base; |
8990e307 | 2449 | stack_max = stack_base + 127; |
79072805 | 2450 | |
a5f75d66 AD |
2451 | cxstack_max = 8192 / sizeof(CONTEXT) - 2; /* Use most of 8K. */ |
2452 | New(50,cxstack,cxstack_max + 1,CONTEXT); | |
8990e307 | 2453 | cxstack_ix = -1; |
8990e307 LW |
2454 | |
2455 | New(50,tmps_stack,128,SV*); | |
6d4ff0d2 | 2456 | tmps_floor = -1; |
8990e307 LW |
2457 | tmps_ix = -1; |
2458 | tmps_max = 128; | |
2459 | ||
5f05dabc | 2460 | /* |
2461 | * The following stacks almost certainly should be per-interpreter, | |
2462 | * but for now they're not. XXX | |
2463 | */ | |
2464 | ||
6e72f9df | 2465 | if (markstack) { |
2466 | markstack_ptr = markstack; | |
2467 | } else { | |
2468 | New(54,markstack,64,I32); | |
2469 | markstack_ptr = markstack; | |
2470 | markstack_max = markstack + 64; | |
2471 | } | |
79072805 | 2472 | |
6e72f9df | 2473 | if (scopestack) { |
2474 | scopestack_ix = 0; | |
2475 | } else { | |
2476 | New(54,scopestack,32,I32); | |
2477 | scopestack_ix = 0; | |
2478 | scopestack_max = 32; | |
2479 | } | |
79072805 | 2480 | |
6e72f9df | 2481 | if (savestack) { |
2482 | savestack_ix = 0; | |
2483 | } else { | |
2484 | New(54,savestack,128,ANY); | |
2485 | savestack_ix = 0; | |
2486 | savestack_max = 128; | |
2487 | } | |
79072805 | 2488 | |
6e72f9df | 2489 | if (retstack) { |
2490 | retstack_ix = 0; | |
2491 | } else { | |
2492 | New(54,retstack,16,OP*); | |
2493 | retstack_ix = 0; | |
2494 | retstack_max = 16; | |
5f05dabc | 2495 | } |
378cc40b | 2496 | } |
33b78306 | 2497 | |
6e72f9df | 2498 | static void |
8ac85365 | 2499 | nuke_stacks(void) |
6e72f9df | 2500 | { |
e858de61 | 2501 | dTHR; |
6e72f9df | 2502 | Safefree(cxstack); |
2503 | Safefree(tmps_stack); | |
5f05dabc | 2504 | DEBUG( { |
2505 | Safefree(debname); | |
2506 | Safefree(debdelim); | |
2507 | } ) | |
378cc40b | 2508 | } |
33b78306 | 2509 | |
760ac839 | 2510 | static PerlIO *tmpfp; /* moved outside init_lexer() because of UNICOS bug */ |
7aa04957 | 2511 | |
79072805 | 2512 | static void |
8ac85365 | 2513 | init_lexer(void) |
8990e307 | 2514 | { |
a0d0e21e | 2515 | tmpfp = rsfp; |
90248788 | 2516 | rsfp = Nullfp; |
8990e307 LW |
2517 | lex_start(linestr); |
2518 | rsfp = tmpfp; | |
2519 | subname = newSVpv("main",4); | |
2520 | } | |
2521 | ||
2522 | static void | |
8ac85365 | 2523 | init_predump_symbols(void) |
45d8adaa | 2524 | { |
11343788 | 2525 | dTHR; |
93a17b20 | 2526 | GV *tmpgv; |
a0d0e21e | 2527 | GV *othergv; |
79072805 | 2528 | |
a863c7d1 | 2529 | #ifdef USE_THREADS |
554b3eca | 2530 | sv_setpvn(*av_fetch(thr->magicals,find_thread_magical("\""),FALSE)," ", 1); |
a863c7d1 | 2531 | #else |
85e6fe83 | 2532 | sv_setpvn(GvSV(gv_fetchpv("\"", TRUE, SVt_PV)), " ", 1); |
a863c7d1 | 2533 | #endif /* USE_THREADS */ |
79072805 | 2534 | |
85e6fe83 | 2535 | stdingv = gv_fetchpv("STDIN",TRUE, SVt_PVIO); |
a5f75d66 | 2536 | GvMULTI_on(stdingv); |
760ac839 | 2537 | IoIFP(GvIOp(stdingv)) = PerlIO_stdin(); |
adbc6bb1 | 2538 | tmpgv = gv_fetchpv("stdin",TRUE, SVt_PV); |
a5f75d66 | 2539 | GvMULTI_on(tmpgv); |
a0d0e21e | 2540 | GvIOp(tmpgv) = (IO*)SvREFCNT_inc(GvIOp(stdingv)); |
79072805 | 2541 | |
85e6fe83 | 2542 | tmpgv = gv_fetchpv("STDOUT",TRUE, SVt_PVIO); |
a5f75d66 | 2543 | GvMULTI_on(tmpgv); |
760ac839 | 2544 | IoOFP(GvIOp(tmpgv)) = IoIFP(GvIOp(tmpgv)) = PerlIO_stdout(); |
4633a7c4 | 2545 | setdefout(tmpgv); |
adbc6bb1 | 2546 | tmpgv = gv_fetchpv("stdout",TRUE, SVt_PV); |
a5f75d66 | 2547 | GvMULTI_on(tmpgv); |
a0d0e21e | 2548 | GvIOp(tmpgv) = (IO*)SvREFCNT_inc(GvIOp(defoutgv)); |
79072805 | 2549 | |
a0d0e21e | 2550 | othergv = gv_fetchpv("STDERR",TRUE, SVt_PVIO); |
a5f75d66 | 2551 | GvMULTI_on(othergv); |
760ac839 | 2552 | IoOFP(GvIOp(othergv)) = IoIFP(GvIOp(othergv)) = PerlIO_stderr(); |
adbc6bb1 | 2553 | tmpgv = gv_fetchpv("stderr",TRUE, SVt_PV); |
a5f75d66 | 2554 | GvMULTI_on(tmpgv); |
a0d0e21e | 2555 | GvIOp(tmpgv) = (IO*)SvREFCNT_inc(GvIOp(othergv)); |
79072805 LW |
2556 | |
2557 | statname = NEWSV(66,0); /* last filename we did stat on */ | |
ab821d7f | 2558 | |
6e72f9df | 2559 | if (!osname) |
2560 | osname = savepv(OSNAME); | |
79072805 | 2561 | } |
33b78306 | 2562 | |
79072805 | 2563 | static void |
8ac85365 | 2564 | init_postdump_symbols(register int argc, register char **argv, register char **env) |
33b78306 | 2565 | { |
a863c7d1 | 2566 | dTHR; |
79072805 LW |
2567 | char *s; |
2568 | SV *sv; | |
2569 | GV* tmpgv; | |
fe14fcc3 | 2570 | |
79072805 LW |
2571 | argc--,argv++; /* skip name of script */ |
2572 | if (doswitches) { | |
2573 | for (; argc > 0 && **argv == '-'; argc--,argv++) { | |
2574 | if (!argv[0][1]) | |
2575 | break; | |
2576 | if (argv[0][1] == '-') { | |
2577 | argc--,argv++; | |
2578 | break; | |
2579 | } | |
93a17b20 | 2580 | if (s = strchr(argv[0], '=')) { |
79072805 | 2581 | *s++ = '\0'; |
85e6fe83 | 2582 | sv_setpv(GvSV(gv_fetchpv(argv[0]+1,TRUE, SVt_PV)),s); |
79072805 LW |
2583 | } |
2584 | else | |
85e6fe83 | 2585 | sv_setiv(GvSV(gv_fetchpv(argv[0]+1,TRUE, SVt_PV)),1); |
fe14fcc3 | 2586 | } |
79072805 LW |
2587 | } |
2588 | toptarget = NEWSV(0,0); | |
2589 | sv_upgrade(toptarget, SVt_PVFM); | |
2590 | sv_setpvn(toptarget, "", 0); | |
748a9306 | 2591 | bodytarget = NEWSV(0,0); |
79072805 LW |
2592 | sv_upgrade(bodytarget, SVt_PVFM); |
2593 | sv_setpvn(bodytarget, "", 0); | |
2594 | formtarget = bodytarget; | |
2595 | ||
bbce6d69 | 2596 | TAINT; |
85e6fe83 | 2597 | if (tmpgv = gv_fetchpv("0",TRUE, SVt_PV)) { |
79072805 LW |
2598 | sv_setpv(GvSV(tmpgv),origfilename); |
2599 | magicname("0", "0", 1); | |
2600 | } | |
85e6fe83 | 2601 | if (tmpgv = gv_fetchpv("\030",TRUE, SVt_PV)) |
79072805 | 2602 | sv_setpv(GvSV(tmpgv),origargv[0]); |
85e6fe83 | 2603 | if (argvgv = gv_fetchpv("ARGV",TRUE, SVt_PVAV)) { |
a5f75d66 | 2604 | GvMULTI_on(argvgv); |
79072805 LW |
2605 | (void)gv_AVadd(argvgv); |
2606 | av_clear(GvAVn(argvgv)); | |
2607 | for (; argc > 0; argc--,argv++) { | |
a0d0e21e | 2608 | av_push(GvAVn(argvgv),newSVpv(argv[0],0)); |
79072805 LW |
2609 | } |
2610 | } | |
85e6fe83 | 2611 | if (envgv = gv_fetchpv("ENV",TRUE, SVt_PVHV)) { |
79072805 | 2612 | HV *hv; |
a5f75d66 | 2613 | GvMULTI_on(envgv); |
79072805 | 2614 | hv = GvHVn(envgv); |
5aabfad6 | 2615 | hv_magic(hv, envgv, 'E'); |
a0d0e21e | 2616 | #ifndef VMS /* VMS doesn't have environ array */ |
4633a7c4 LW |
2617 | /* Note that if the supplied env parameter is actually a copy |
2618 | of the global environ then it may now point to free'd memory | |
2619 | if the environment has been modified since. To avoid this | |
2620 | problem we treat env==NULL as meaning 'use the default' | |
2621 | */ | |
2622 | if (!env) | |
2623 | env = environ; | |
5aabfad6 | 2624 | if (env != environ) |
79072805 LW |
2625 | environ[0] = Nullch; |
2626 | for (; *env; env++) { | |
93a17b20 | 2627 | if (!(s = strchr(*env,'='))) |
79072805 LW |
2628 | continue; |
2629 | *s++ = '\0'; | |
137443ea | 2630 | #ifdef WIN32 |
2631 | (void)strupr(*env); | |
2632 | #endif | |
79072805 LW |
2633 | sv = newSVpv(s--,0); |
2634 | (void)hv_store(hv, *env, s - *env, sv, 0); | |
2635 | *s = '='; | |
3e3baf6d TB |
2636 | #if defined(__BORLANDC__) && defined(USE_WIN32_RTL_ENV) |
2637 | /* Sins of the RTL. See note in my_setenv(). */ | |
2638 | (void)putenv(savepv(*env)); | |
2639 | #endif | |
fe14fcc3 | 2640 | } |
4550b24a | 2641 | #endif |
2642 | #ifdef DYNAMIC_ENV_FETCH | |
2643 | HvNAME(hv) = savepv(ENV_HV_NAME); | |
2644 | #endif | |
79072805 | 2645 | } |
bbce6d69 | 2646 | TAINT_NOT; |
85e6fe83 | 2647 | if (tmpgv = gv_fetchpv("$",TRUE, SVt_PV)) |
1e422769 | 2648 | sv_setiv(GvSV(tmpgv), (IV)getpid()); |
33b78306 | 2649 | } |
34de22dd | 2650 | |
79072805 | 2651 | static void |
8ac85365 | 2652 | init_perllib(void) |
34de22dd | 2653 | { |
85e6fe83 LW |
2654 | char *s; |
2655 | if (!tainting) { | |
552a7a9b | 2656 | #ifndef VMS |
85e6fe83 LW |
2657 | s = getenv("PERL5LIB"); |
2658 | if (s) | |
774d564b | 2659 | incpush(s, TRUE); |
85e6fe83 | 2660 | else |
774d564b | 2661 | incpush(getenv("PERLLIB"), FALSE); |
552a7a9b | 2662 | #else /* VMS */ |
2663 | /* Treat PERL5?LIB as a possible search list logical name -- the | |
2664 | * "natural" VMS idiom for a Unix path string. We allow each | |
2665 | * element to be a set of |-separated directories for compatibility. | |
2666 | */ | |
2667 | char buf[256]; | |
2668 | int idx = 0; | |
2669 | if (my_trnlnm("PERL5LIB",buf,0)) | |
774d564b | 2670 | do { incpush(buf,TRUE); } while (my_trnlnm("PERL5LIB",buf,++idx)); |
552a7a9b | 2671 | else |
774d564b | 2672 | while (my_trnlnm("PERLLIB",buf,idx++)) incpush(buf,FALSE); |
552a7a9b | 2673 | #endif /* VMS */ |
85e6fe83 | 2674 | } |
34de22dd | 2675 | |
c90c0ff4 | 2676 | /* Use the ~-expanded versions of APPLLIB (undocumented), |
df5cef82 | 2677 | ARCHLIB PRIVLIB SITEARCH SITELIB and OLDARCHLIB |
2678 | */ | |
4633a7c4 | 2679 | #ifdef APPLLIB_EXP |
774d564b | 2680 | incpush(APPLLIB_EXP, FALSE); |
16d20bd9 | 2681 | #endif |
4633a7c4 | 2682 | |
fed7345c | 2683 | #ifdef ARCHLIB_EXP |
774d564b | 2684 | incpush(ARCHLIB_EXP, FALSE); |
a0d0e21e | 2685 | #endif |
fed7345c AD |
2686 | #ifndef PRIVLIB_EXP |
2687 | #define PRIVLIB_EXP "/usr/local/lib/perl5:/usr/local/lib/perl" | |
34de22dd | 2688 | #endif |
774d564b | 2689 | incpush(PRIVLIB_EXP, FALSE); |
4633a7c4 LW |
2690 | |
2691 | #ifdef SITEARCH_EXP | |
774d564b | 2692 | incpush(SITEARCH_EXP, FALSE); |
4633a7c4 LW |
2693 | #endif |
2694 | #ifdef SITELIB_EXP | |
774d564b | 2695 | incpush(SITELIB_EXP, FALSE); |
4633a7c4 LW |
2696 | #endif |
2697 | #ifdef OLDARCHLIB_EXP /* 5.00[01] compatibility */ | |
774d564b | 2698 | incpush(OLDARCHLIB_EXP, FALSE); |
4633a7c4 | 2699 | #endif |
a0d0e21e | 2700 | |
4633a7c4 | 2701 | if (!tainting) |
774d564b | 2702 | incpush(".", FALSE); |
2703 | } | |
2704 | ||
2705 | #if defined(DOSISH) | |
2706 | # define PERLLIB_SEP ';' | |
2707 | #else | |
2708 | # if defined(VMS) | |
2709 | # define PERLLIB_SEP '|' | |
2710 | # else | |
2711 | # define PERLLIB_SEP ':' | |
2712 | # endif | |
2713 | #endif | |
2714 | #ifndef PERLLIB_MANGLE | |
2715 | # define PERLLIB_MANGLE(s,n) (s) | |
2716 | #endif | |
2717 | ||
2718 | static void | |
8ac85365 | 2719 | incpush(char *p, int addsubdirs) |
774d564b | 2720 | { |
2721 | SV *subdir = Nullsv; | |
2722 | static char *archpat_auto; | |
2723 | ||
2724 | if (!p) | |
2725 | return; | |
2726 | ||
2727 | if (addsubdirs) { | |
2728 | subdir = newSV(0); | |
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) { | |
2744 | SV *libdir = newSV(0); | |
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); | |
2787 | if (Stat(SvPVX(subdir), &tmpstatbuf) >= 0 && | |
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); | |
2795 | if (Stat(SvPVX(subdir), &tmpstatbuf) >= 0 && | |
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 MB |
2808 | #ifdef USE_THREADS |
2809 | static struct thread * | |
2810 | init_main_thread() | |
2811 | { | |
2812 | struct thread *thr; | |
2813 | XPV *xpv; | |
2814 | ||
2815 | Newz(53, thr, 1, struct thread); | |
2816 | curcop = &compiling; | |
2817 | thr->cvcache = newHV(); | |
2818 | thr->magicals = newAV(); | |
2819 | thr->specific = newAV(); | |
38a03e6e | 2820 | thr->errhv = newHV(); |
199100c8 MB |
2821 | thr->flags = THRf_R_JOINABLE; |
2822 | MUTEX_INIT(&thr->mutex); | |
2823 | /* Handcraft thrsv similarly to mess_sv */ | |
2824 | New(53, thrsv, 1, SV); | |
2825 | Newz(53, xpv, 1, XPV); | |
2826 | SvFLAGS(thrsv) = SVt_PV; | |
2827 | SvANY(thrsv) = (void*)xpv; | |
2828 | SvREFCNT(thrsv) = 1 << 30; /* practically infinite */ | |
2829 | SvPVX(thrsv) = (char*)thr; | |
2830 | SvCUR_set(thrsv, sizeof(thr)); | |
2831 | SvLEN_set(thrsv, sizeof(thr)); | |
2832 | *SvEND(thrsv) = '\0'; /* in the trailing_nul field */ | |
2833 | thr->oursv = thrsv; | |
2834 | curcop = &compiling; | |
2835 | chopset = " \n-"; | |
2836 | ||
2837 | MUTEX_LOCK(&threads_mutex); | |
2838 | nthreads++; | |
2839 | thr->tid = 0; | |
2840 | thr->next = thr; | |
2841 | thr->prev = thr; | |
2842 | MUTEX_UNLOCK(&threads_mutex); | |
2843 | ||
2844 | #ifdef HAVE_THREAD_INTERN | |
2845 | init_thread_intern(thr); | |
2846 | #else | |
2847 | thr->self = pthread_self(); | |
2848 | #endif /* HAVE_THREAD_INTERN */ | |
2849 | SET_THR(thr); | |
2850 | ||
2851 | /* | |
2852 | * These must come after the SET_THR because sv_setpvn does | |
2853 | * SvTAINT and the taint fields require dTHR. | |
2854 | */ | |
2855 | toptarget = NEWSV(0,0); | |
2856 | sv_upgrade(toptarget, SVt_PVFM); | |
2857 | sv_setpvn(toptarget, "", 0); | |
2858 | bodytarget = NEWSV(0,0); | |
2859 | sv_upgrade(bodytarget, SVt_PVFM); | |
2860 | sv_setpvn(bodytarget, "", 0); | |
2861 | formtarget = bodytarget; | |
2faa37cc | 2862 | thr->errsv = newSVpv("", 0); |
199100c8 MB |
2863 | return thr; |
2864 | } | |
2865 | #endif /* USE_THREADS */ | |
2866 | ||
93a17b20 | 2867 | void |
8ac85365 | 2868 | call_list(I32 oldscope, AV *list) |
93a17b20 | 2869 | { |
11343788 | 2870 | dTHR; |
a0d0e21e | 2871 | line_t oldline = curcop->cop_line; |
22921e25 CS |
2872 | STRLEN len; |
2873 | dJMPENV; | |
2874 | int ret; | |
93a17b20 | 2875 | |
8990e307 LW |
2876 | while (AvFILL(list) >= 0) { |
2877 | CV *cv = (CV*)av_shift(list); | |
93a17b20 | 2878 | |
8990e307 | 2879 | SAVEFREESV(cv); |
a0d0e21e | 2880 | |
22921e25 CS |
2881 | JMPENV_PUSH(ret); |
2882 | switch (ret) { | |
748a9306 | 2883 | case 0: { |
38a03e6e | 2884 | SV* atsv = ERRSV; |
748a9306 LW |
2885 | PUSHMARK(stack_sp); |
2886 | perl_call_sv((SV*)cv, G_EVAL|G_DISCARD); | |
12f917ad | 2887 | (void)SvPV(atsv, len); |
748a9306 | 2888 | if (len) { |
54310121 | 2889 | JMPENV_POP; |
748a9306 LW |
2890 | curcop = &compiling; |
2891 | curcop->cop_line = oldline; | |
2892 | if (list == beginav) | |
12f917ad | 2893 | sv_catpv(atsv, "BEGIN failed--compilation aborted"); |
748a9306 | 2894 | else |
12f917ad | 2895 | sv_catpv(atsv, "END failed--cleanup aborted"); |
2ae324a7 | 2896 | while (scopestack_ix > oldscope) |
2897 | LEAVE; | |
12f917ad | 2898 | croak("%s", SvPVX(atsv)); |
748a9306 | 2899 | } |
a0d0e21e | 2900 | } |
85e6fe83 LW |
2901 | break; |
2902 | case 1: | |
f86702cc | 2903 | STATUS_ALL_FAILURE; |
85e6fe83 LW |
2904 | /* FALL THROUGH */ |
2905 | case 2: | |
2906 | /* my_exit() was called */ | |
2ae324a7 | 2907 | while (scopestack_ix > oldscope) |
2908 | LEAVE; | |
84902520 | 2909 | FREETMPS; |
85e6fe83 LW |
2910 | curstash = defstash; |
2911 | if (endav) | |
68dc0745 | 2912 | call_list(oldscope, endav); |
54310121 | 2913 | JMPENV_POP; |
a0d0e21e LW |
2914 | curcop = &compiling; |
2915 | curcop->cop_line = oldline; | |
85e6fe83 LW |
2916 | if (statusvalue) { |
2917 | if (list == beginav) | |
a0d0e21e | 2918 | croak("BEGIN failed--compilation aborted"); |
85e6fe83 | 2919 | else |
a0d0e21e | 2920 | croak("END failed--cleanup aborted"); |
85e6fe83 | 2921 | } |
f86702cc | 2922 | my_exit_jump(); |
85e6fe83 | 2923 | /* NOTREACHED */ |
85e6fe83 LW |
2924 | case 3: |
2925 | if (!restartop) { | |
760ac839 | 2926 | PerlIO_printf(PerlIO_stderr(), "panic: restartop\n"); |
a0d0e21e | 2927 | FREETMPS; |
85e6fe83 LW |
2928 | break; |
2929 | } | |
54310121 | 2930 | JMPENV_POP; |
a0d0e21e LW |
2931 | curcop = &compiling; |
2932 | curcop->cop_line = oldline; | |
54310121 | 2933 | JMPENV_JUMP(3); |
8990e307 | 2934 | } |
54310121 | 2935 | JMPENV_POP; |
93a17b20 | 2936 | } |
93a17b20 | 2937 | } |
93a17b20 | 2938 | |
f86702cc | 2939 | void |
8ac85365 | 2940 | my_exit(U32 status) |
f86702cc | 2941 | { |
5dc0d613 MB |
2942 | dTHR; |
2943 | ||
2944 | #ifdef USE_THREADS | |
a863c7d1 MB |
2945 | DEBUG_L(PerlIO_printf(Perl_debug_log, "my_exit: thread %p, status %lu\n", |
2946 | thr, (unsigned long) status)); | |
5dc0d613 | 2947 | #endif /* USE_THREADS */ |
f86702cc | 2948 | switch (status) { |
2949 | case 0: | |
2950 | STATUS_ALL_SUCCESS; | |
2951 | break; | |
2952 | case 1: | |
2953 | STATUS_ALL_FAILURE; | |
2954 | break; | |
2955 | default: | |
2956 | STATUS_NATIVE_SET(status); | |
2957 | break; | |
2958 | } | |
2959 | my_exit_jump(); | |
2960 | } | |
2961 | ||
2962 | void | |
8ac85365 | 2963 | my_failure_exit(void) |
f86702cc | 2964 | { |
2965 | #ifdef VMS | |
2966 | if (vaxc$errno & 1) { | |
4fdae800 | 2967 | if (STATUS_NATIVE & 1) /* fortuitiously includes "-1" */ |
2968 | STATUS_NATIVE_SET(44); | |
f86702cc | 2969 | } |
2970 | else { | |
ff0cee69 | 2971 | if (!vaxc$errno && errno) /* unlikely */ |
4fdae800 | 2972 | STATUS_NATIVE_SET(44); |
f86702cc | 2973 | else |
4fdae800 | 2974 | STATUS_NATIVE_SET(vaxc$errno); |
f86702cc | 2975 | } |
2976 | #else | |
2977 | if (errno & 255) | |
2978 | STATUS_POSIX_SET(errno); | |
2979 | else if (STATUS_POSIX == 0) | |
2980 | STATUS_POSIX_SET(255); | |
2981 | #endif | |
2982 | my_exit_jump(); | |
93a17b20 LW |
2983 | } |
2984 | ||
f86702cc | 2985 | static void |
8ac85365 | 2986 | my_exit_jump(void) |
f86702cc | 2987 | { |
e858de61 | 2988 | dTHR; |
f86702cc | 2989 | register CONTEXT *cx; |
2990 | I32 gimme; | |
2991 | SV **newsp; | |
2992 | ||
2993 | if (e_tmpname) { | |
2994 | if (e_fp) { | |
2995 | PerlIO_close(e_fp); | |
2996 | e_fp = Nullfp; | |
2997 | } | |
2998 | (void)UNLINK(e_tmpname); | |
2999 | Safefree(e_tmpname); | |
3000 | e_tmpname = Nullch; | |
3001 | } | |
3002 | ||
3003 | if (cxstack_ix >= 0) { | |
3004 | if (cxstack_ix > 0) | |
3005 | dounwind(0); | |
3006 | POPBLOCK(cx,curpm); | |
3007 | LEAVE; | |
3008 | } | |
ff0cee69 | 3009 | |
54310121 | 3010 | JMPENV_JUMP(2); |
f86702cc | 3011 | } |
4e35701f | 3012 | |
aeea060c | 3013 |