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)); | |
72 | static void init_perllib _((void)); | |
73 | static void init_postdump_symbols _((int, char **, char **)); | |
74 | static void init_predump_symbols _((void)); | |
f86702cc | 75 | static void my_exit_jump _((void)) __attribute__((noreturn)); |
6e72f9df | 76 | static void nuke_stacks _((void)); |
a0d0e21e | 77 | static void open_script _((char *, bool, SV *)); |
ab821d7f | 78 | static void usage _((char *)); |
96436eeb | 79 | static void validate_suid _((char *, char*)); |
80 | ||
81 | static int fdscript = -1; | |
79072805 | 82 | |
77a005ab MB |
83 | #if defined(DEBUGGING) && defined(USE_THREADS) && defined(__linux__) |
84 | #include <asm/sigcontext.h> | |
85 | static void | |
86 | catch_sigsegv(int signo, struct sigcontext_struct sc) | |
87 | { | |
88 | signal(SIGSEGV, SIG_DFL); | |
89 | fprintf(stderr, "Segmentation fault dereferencing 0x%lx\n" | |
90 | "return_address = 0x%lx, eip = 0x%lx\n", | |
91 | sc.cr2, __builtin_return_address(0), sc.eip); | |
92 | fprintf(stderr, "thread = 0x%lx\n", (unsigned long)THR); | |
93 | } | |
94 | #endif | |
95 | ||
93a17b20 | 96 | PerlInterpreter * |
79072805 LW |
97 | perl_alloc() |
98 | { | |
93a17b20 | 99 | PerlInterpreter *sv_interp; |
79072805 | 100 | |
8990e307 | 101 | curinterp = 0; |
93a17b20 | 102 | New(53, sv_interp, 1, PerlInterpreter); |
79072805 LW |
103 | return sv_interp; |
104 | } | |
105 | ||
106 | void | |
107 | perl_construct( sv_interp ) | |
93a17b20 | 108 | register PerlInterpreter *sv_interp; |
79072805 | 109 | { |
a863c7d1 MB |
110 | #ifdef USE_THREADS |
111 | int i; | |
112 | #ifndef FAKE_THREADS | |
11343788 | 113 | struct thread *thr; |
a863c7d1 MB |
114 | #endif /* FAKE_THREADS */ |
115 | #endif /* USE_THREADS */ | |
11343788 | 116 | |
79072805 LW |
117 | if (!(curinterp = sv_interp)) |
118 | return; | |
119 | ||
8990e307 | 120 | #ifdef MULTIPLICITY |
93a17b20 | 121 | Zero(sv_interp, 1, PerlInterpreter); |
8990e307 | 122 | #endif |
79072805 | 123 | |
33f46ff6 | 124 | /* Init the real globals (and main thread)? */ |
c116a00c | 125 | if (!linestr) { |
11343788 | 126 | #ifdef USE_THREADS |
8023c3ce | 127 | |
33f46ff6 | 128 | INIT_THREADS; |
a863c7d1 MB |
129 | if (pthread_key_create(&thr_key, 0)) |
130 | croak("panic: pthread_key_create"); | |
c116a00c MB |
131 | MUTEX_INIT(&malloc_mutex); |
132 | MUTEX_INIT(&sv_mutex); | |
a863c7d1 MB |
133 | /* |
134 | * Safe to use basic SV functions from now on (though | |
135 | * not things like mortals or tainting yet). | |
136 | */ | |
c116a00c MB |
137 | MUTEX_INIT(&eval_mutex); |
138 | COND_INIT(&eval_cond); | |
33f46ff6 | 139 | MUTEX_INIT(&threads_mutex); |
c116a00c | 140 | COND_INIT(&nthreads_cond); |
a863c7d1 MB |
141 | |
142 | thr = new_struct_thread(0); | |
11343788 MB |
143 | #endif /* USE_THREADS */ |
144 | ||
79072805 | 145 | linestr = NEWSV(65,80); |
ed6116ce | 146 | sv_upgrade(linestr,SVt_PVIV); |
79072805 | 147 | |
6e72f9df | 148 | if (!SvREADONLY(&sv_undef)) { |
149 | SvREADONLY_on(&sv_undef); | |
79072805 | 150 | |
6e72f9df | 151 | sv_setpv(&sv_no,No); |
152 | SvNV(&sv_no); | |
153 | SvREADONLY_on(&sv_no); | |
79072805 | 154 | |
6e72f9df | 155 | sv_setpv(&sv_yes,Yes); |
156 | SvNV(&sv_yes); | |
157 | SvREADONLY_on(&sv_yes); | |
158 | } | |
79072805 | 159 | |
c07a80fd | 160 | nrs = newSVpv("\n", 1); |
161 | rs = SvREFCNT_inc(nrs); | |
162 | ||
c23142e2 | 163 | sighandlerp = sighandler; |
44a8e56a | 164 | pidstatus = newHV(); |
165 | ||
79072805 LW |
166 | #ifdef MSDOS |
167 | /* | |
168 | * There is no way we can refer to them from Perl so close them to save | |
169 | * space. The other alternative would be to provide STDAUX and STDPRN | |
170 | * filehandles. | |
171 | */ | |
172 | (void)fclose(stdaux); | |
173 | (void)fclose(stdprn); | |
174 | #endif | |
175 | } | |
176 | ||
8990e307 | 177 | #ifdef MULTIPLICITY |
8ebc5c01 | 178 | I_REINIT; |
179 | perl_destruct_level = 1; | |
180 | #else | |
181 | if(perl_destruct_level > 0) | |
182 | I_REINIT; | |
79072805 LW |
183 | #endif |
184 | ||
748a9306 | 185 | init_ids(); |
fb73857a | 186 | lex_state = LEX_NOTPARSING; |
a5f75d66 | 187 | |
54310121 | 188 | start_env.je_prev = NULL; |
189 | start_env.je_ret = -1; | |
190 | start_env.je_mustcatch = TRUE; | |
191 | top_env = &start_env; | |
f86702cc | 192 | STATUS_ALL_SUCCESS; |
193 | ||
36477c24 | 194 | SET_NUMERIC_STANDARD(); |
a5f75d66 | 195 | #if defined(SUBVERSION) && SUBVERSION > 0 |
e2666263 | 196 | sprintf(patchlevel, "%7.5f", (double) 5 |
197 | + ((double) PATCHLEVEL / (double) 1000) | |
198 | + ((double) SUBVERSION / (double) 100000)); | |
a5f75d66 | 199 | #else |
e2666263 | 200 | sprintf(patchlevel, "%5.3f", (double) 5 + |
201 | ((double) PATCHLEVEL / (double) 1000)); | |
a5f75d66 | 202 | #endif |
79072805 | 203 | |
ab821d7f | 204 | #if defined(LOCAL_PATCH_COUNT) |
6e72f9df | 205 | localpatches = local_patches; /* For possible -v */ |
ab821d7f | 206 | #endif |
207 | ||
760ac839 LW |
208 | PerlIO_init(); /* Hook to IO system */ |
209 | ||
79072805 | 210 | fdpid = newAV(); /* for remembering popen pids by fd */ |
8990e307 | 211 | |
11343788 MB |
212 | init_stacks(ARGS); |
213 | DEBUG( { | |
214 | New(51,debname,128,char); | |
215 | New(52,debdelim,128,char); | |
216 | } ) | |
217 | ||
8990e307 | 218 | ENTER; |
79072805 LW |
219 | } |
220 | ||
221 | void | |
748a9306 | 222 | perl_destruct(sv_interp) |
93a17b20 | 223 | register PerlInterpreter *sv_interp; |
79072805 | 224 | { |
11343788 | 225 | dTHR; |
748a9306 | 226 | int destruct_level; /* 0=none, 1=full, 2=full with checks */ |
8990e307 | 227 | I32 last_sv_count; |
a0d0e21e | 228 | HV *hv; |
1f2bfc8a | 229 | #ifdef USE_THREADS |
33f46ff6 | 230 | Thread t; |
1f2bfc8a | 231 | #endif /* USE_THREADS */ |
8990e307 | 232 | |
79072805 LW |
233 | if (!(curinterp = sv_interp)) |
234 | return; | |
748a9306 | 235 | |
11343788 | 236 | #ifdef USE_THREADS |
0f15f207 | 237 | #ifndef FAKE_THREADS |
8023c3ce MB |
238 | /* Pass 1 on any remaining threads: detach joinables, join zombies */ |
239 | retry_cleanup: | |
33f46ff6 MB |
240 | MUTEX_LOCK(&threads_mutex); |
241 | DEBUG_L(PerlIO_printf(PerlIO_stderr(), | |
c7848ba1 | 242 | "perl_destruct: waiting for %d threads...\n", |
33f46ff6 MB |
243 | nthreads - 1)); |
244 | for (t = thr->next; t != thr; t = t->next) { | |
605e5515 MB |
245 | MUTEX_LOCK(&t->mutex); |
246 | switch (ThrSTATE(t)) { | |
247 | AV *av; | |
c7848ba1 MB |
248 | case THRf_ZOMBIE: |
249 | DEBUG_L(PerlIO_printf(PerlIO_stderr(), | |
250 | "perl_destruct: joining zombie %p\n", t)); | |
605e5515 MB |
251 | ThrSETSTATE(t, THRf_DEAD); |
252 | MUTEX_UNLOCK(&t->mutex); | |
253 | nthreads--; | |
8023c3ce MB |
254 | /* |
255 | * The SvREFCNT_dec below may take a long time (e.g. av | |
256 | * may contain an object scalar whose destructor gets | |
257 | * called) so we have to unlock threads_mutex and start | |
258 | * all over again. | |
259 | */ | |
605e5515 | 260 | MUTEX_UNLOCK(&threads_mutex); |
ea0efc06 | 261 | JOIN(t, &av); |
605e5515 | 262 | SvREFCNT_dec((SV*)av); |
c7848ba1 MB |
263 | DEBUG_L(PerlIO_printf(PerlIO_stderr(), |
264 | "perl_destruct: joined zombie %p OK\n", t)); | |
8023c3ce | 265 | goto retry_cleanup; |
c7848ba1 MB |
266 | case THRf_R_JOINABLE: |
267 | DEBUG_L(PerlIO_printf(PerlIO_stderr(), | |
268 | "perl_destruct: detaching thread %p\n", t)); | |
269 | ThrSETSTATE(t, THRf_R_DETACHED); | |
270 | /* | |
271 | * We unlock threads_mutex and t->mutex in the opposite order | |
272 | * from which we locked them just so that DETACH won't | |
273 | * deadlock if it panics. It's only a breach of good style | |
274 | * not a bug since they are unlocks not locks. | |
275 | */ | |
276 | MUTEX_UNLOCK(&threads_mutex); | |
277 | DETACH(t); | |
278 | MUTEX_UNLOCK(&t->mutex); | |
8023c3ce | 279 | goto retry_cleanup; |
c7848ba1 MB |
280 | default: |
281 | DEBUG_L(PerlIO_printf(PerlIO_stderr(), | |
282 | "perl_destruct: ignoring %p (state %u)\n", | |
283 | t, ThrSTATE(t))); | |
284 | MUTEX_UNLOCK(&t->mutex); | |
c7848ba1 | 285 | /* fall through and out */ |
33f46ff6 MB |
286 | } |
287 | } | |
8023c3ce MB |
288 | /* We leave the above "Pass 1" loop with threads_mutex still locked */ |
289 | ||
290 | /* Pass 2 on remaining threads: wait for the thread count to drop to one */ | |
11343788 MB |
291 | while (nthreads > 1) |
292 | { | |
33f46ff6 | 293 | DEBUG_L(PerlIO_printf(PerlIO_stderr(), |
c7848ba1 | 294 | "perl_destruct: final wait for %d threads\n", |
33f46ff6 MB |
295 | nthreads - 1)); |
296 | COND_WAIT(&nthreads_cond, &threads_mutex); | |
11343788 MB |
297 | } |
298 | /* At this point, we're the last thread */ | |
33f46ff6 | 299 | MUTEX_UNLOCK(&threads_mutex); |
d9f997d7 | 300 | DEBUG_L(PerlIO_printf(PerlIO_stderr(), "perl_destruct: armageddon has arrived\n")); |
33f46ff6 | 301 | MUTEX_DESTROY(&threads_mutex); |
11343788 | 302 | COND_DESTROY(&nthreads_cond); |
0f15f207 | 303 | #endif /* !defined(FAKE_THREADS) */ |
11343788 MB |
304 | #endif /* USE_THREADS */ |
305 | ||
748a9306 | 306 | destruct_level = perl_destruct_level; |
4633a7c4 LW |
307 | #ifdef DEBUGGING |
308 | { | |
309 | char *s; | |
5f05dabc | 310 | if (s = getenv("PERL_DESTRUCT_LEVEL")) { |
311 | int i = atoi(s); | |
312 | if (destruct_level < i) | |
313 | destruct_level = i; | |
314 | } | |
4633a7c4 LW |
315 | } |
316 | #endif | |
317 | ||
8990e307 | 318 | LEAVE; |
a0d0e21e LW |
319 | FREETMPS; |
320 | ||
ff0cee69 | 321 | /* We must account for everything. */ |
322 | ||
323 | /* Destroy the main CV and syntax tree */ | |
6e72f9df | 324 | if (main_root) { |
325 | curpad = AvARRAY(comppad); | |
326 | op_free(main_root); | |
ff0cee69 | 327 | main_root = Nullop; |
a0d0e21e | 328 | } |
ff0cee69 | 329 | main_start = Nullop; |
330 | SvREFCNT_dec(main_cv); | |
331 | main_cv = Nullcv; | |
332 | ||
a0d0e21e LW |
333 | if (sv_objcount) { |
334 | /* | |
335 | * Try to destruct global references. We do this first so that the | |
336 | * destructors and destructees still exist. Some sv's might remain. | |
337 | * Non-referenced objects are on their own. | |
338 | */ | |
339 | ||
340 | dirty = TRUE; | |
341 | sv_clean_objs(); | |
8990e307 LW |
342 | } |
343 | ||
5cd24f17 | 344 | /* unhook hooks which will soon be, or use, destroyed data */ |
345 | SvREFCNT_dec(warnhook); | |
346 | warnhook = Nullsv; | |
347 | SvREFCNT_dec(diehook); | |
348 | diehook = Nullsv; | |
349 | SvREFCNT_dec(parsehook); | |
350 | parsehook = Nullsv; | |
351 | ||
a0d0e21e | 352 | if (destruct_level == 0){ |
8990e307 | 353 | |
a0d0e21e LW |
354 | DEBUG_P(debprofdump()); |
355 | ||
356 | /* The exit() function will do everything that needs doing. */ | |
357 | return; | |
358 | } | |
5dd60ef7 | 359 | |
5f05dabc | 360 | /* loosen bonds of global variables */ |
361 | ||
8ebc5c01 | 362 | if(rsfp) { |
363 | (void)PerlIO_close(rsfp); | |
364 | rsfp = Nullfp; | |
365 | } | |
366 | ||
367 | /* Filters for program text */ | |
368 | SvREFCNT_dec(rsfp_filters); | |
369 | rsfp_filters = Nullav; | |
370 | ||
371 | /* switches */ | |
372 | preprocess = FALSE; | |
373 | minus_n = FALSE; | |
374 | minus_p = FALSE; | |
375 | minus_l = FALSE; | |
376 | minus_a = FALSE; | |
377 | minus_F = FALSE; | |
378 | doswitches = FALSE; | |
379 | dowarn = FALSE; | |
380 | doextract = FALSE; | |
381 | sawampersand = FALSE; /* must save all match strings */ | |
382 | sawstudy = FALSE; /* do fbm_instr on all strings */ | |
383 | sawvec = FALSE; | |
384 | unsafe = FALSE; | |
385 | ||
386 | Safefree(inplace); | |
387 | inplace = Nullch; | |
388 | ||
389 | Safefree(e_tmpname); | |
390 | e_tmpname = Nullch; | |
391 | ||
392 | if (e_fp) { | |
393 | PerlIO_close(e_fp); | |
394 | e_fp = Nullfp; | |
395 | } | |
396 | ||
397 | /* magical thingies */ | |
398 | ||
399 | Safefree(ofs); /* $, */ | |
400 | ofs = Nullch; | |
5f05dabc | 401 | |
8ebc5c01 | 402 | Safefree(ors); /* $\ */ |
403 | ors = Nullch; | |
404 | ||
405 | SvREFCNT_dec(nrs); /* $\ helper */ | |
5f05dabc | 406 | nrs = Nullsv; |
407 | ||
8ebc5c01 | 408 | multiline = 0; /* $* */ |
5f05dabc | 409 | |
8ebc5c01 | 410 | SvREFCNT_dec(statname); |
5f05dabc | 411 | statname = Nullsv; |
412 | statgv = Nullgv; | |
5f05dabc | 413 | |
8ebc5c01 | 414 | /* defgv, aka *_ should be taken care of elsewhere */ |
415 | ||
416 | #if 0 /* just about all regexp stuff, seems to be ok */ | |
417 | ||
418 | /* shortcuts to regexp stuff */ | |
419 | leftgv = Nullgv; | |
420 | ampergv = Nullgv; | |
421 | ||
422 | SAVEFREEOP(curpm); | |
423 | SAVEFREEOP(oldlastpm); /* for saving regexp context during debugger */ | |
424 | ||
425 | regprecomp = NULL; /* uncompiled string. */ | |
426 | regparse = NULL; /* Input-scan pointer. */ | |
427 | regxend = NULL; /* End of input for compile */ | |
428 | regnpar = 0; /* () count. */ | |
429 | regcode = NULL; /* Code-emit pointer; ®dummy = don't. */ | |
430 | regsize = 0; /* Code size. */ | |
431 | regnaughty = 0; /* How bad is this pattern? */ | |
432 | regsawback = 0; /* Did we see \1, ...? */ | |
433 | ||
434 | reginput = NULL; /* String-input pointer. */ | |
435 | regbol = NULL; /* Beginning of input, for ^ check. */ | |
436 | regeol = NULL; /* End of input, for $ check. */ | |
437 | regstartp = (char **)NULL; /* Pointer to startp array. */ | |
438 | regendp = (char **)NULL; /* Ditto for endp. */ | |
439 | reglastparen = 0; /* Similarly for lastparen. */ | |
440 | regtill = NULL; /* How far we are required to go. */ | |
441 | regflags = 0; /* are we folding, multilining? */ | |
442 | regprev = (char)NULL; /* char before regbol, \n if none */ | |
443 | ||
444 | #endif /* if 0 */ | |
445 | ||
446 | /* clean up after study() */ | |
447 | SvREFCNT_dec(lastscream); | |
448 | lastscream = Nullsv; | |
449 | Safefree(screamfirst); | |
450 | screamfirst = 0; | |
451 | Safefree(screamnext); | |
452 | screamnext = 0; | |
453 | ||
454 | /* startup and shutdown function lists */ | |
455 | SvREFCNT_dec(beginav); | |
456 | SvREFCNT_dec(endav); | |
77a005ab | 457 | SvREFCNT_dec(initav); |
5618dfe8 | 458 | beginav = Nullav; |
5618dfe8 | 459 | endav = Nullav; |
77a005ab | 460 | initav = Nullav; |
5618dfe8 | 461 | |
8ebc5c01 | 462 | /* temp stack during pp_sort() */ |
463 | SvREFCNT_dec(sortstack); | |
464 | sortstack = Nullav; | |
465 | ||
466 | /* shortcuts just get cleared */ | |
467 | envgv = Nullgv; | |
468 | siggv = Nullgv; | |
469 | incgv = Nullgv; | |
a863c7d1 MB |
470 | errhv = Nullhv; |
471 | errsv = Nullsv; | |
8ebc5c01 | 472 | argvgv = Nullgv; |
473 | argvoutgv = Nullgv; | |
474 | stdingv = Nullgv; | |
475 | last_in_gv = Nullgv; | |
476 | ||
477 | /* reset so print() ends up where we expect */ | |
478 | setdefout(Nullgv); | |
479 | ||
a0d0e21e | 480 | /* Prepare to destruct main symbol table. */ |
5f05dabc | 481 | |
a0d0e21e | 482 | hv = defstash; |
85e6fe83 | 483 | defstash = 0; |
a0d0e21e LW |
484 | SvREFCNT_dec(hv); |
485 | ||
486 | FREETMPS; | |
487 | if (destruct_level >= 2) { | |
488 | if (scopestack_ix != 0) | |
ff0cee69 | 489 | warn("Unbalanced scopes: %ld more ENTERs than LEAVEs\n", |
490 | (long)scopestack_ix); | |
a0d0e21e | 491 | if (savestack_ix != 0) |
ff0cee69 | 492 | warn("Unbalanced saves: %ld more saves than restores\n", |
493 | (long)savestack_ix); | |
a0d0e21e | 494 | if (tmps_floor != -1) |
ff0cee69 | 495 | warn("Unbalanced tmps: %ld more allocs than frees\n", |
496 | (long)tmps_floor + 1); | |
a0d0e21e | 497 | if (cxstack_ix != -1) |
ff0cee69 | 498 | warn("Unbalanced context: %ld more PUSHes than POPs\n", |
499 | (long)cxstack_ix + 1); | |
a0d0e21e | 500 | } |
8990e307 LW |
501 | |
502 | /* Now absolutely destruct everything, somehow or other, loops or no. */ | |
8990e307 | 503 | last_sv_count = 0; |
6e72f9df | 504 | SvFLAGS(strtab) |= SVTYPEMASK; /* don't clean out strtab now */ |
8990e307 LW |
505 | while (sv_count != 0 && sv_count != last_sv_count) { |
506 | last_sv_count = sv_count; | |
507 | sv_clean_all(); | |
508 | } | |
6e72f9df | 509 | SvFLAGS(strtab) &= ~SVTYPEMASK; |
510 | SvFLAGS(strtab) |= SVt_PVHV; | |
511 | ||
512 | /* Destruct the global string table. */ | |
513 | { | |
514 | /* Yell and reset the HeVAL() slots that are still holding refcounts, | |
515 | * so that sv_free() won't fail on them. | |
516 | */ | |
517 | I32 riter; | |
518 | I32 max; | |
519 | HE *hent; | |
520 | HE **array; | |
521 | ||
522 | riter = 0; | |
523 | max = HvMAX(strtab); | |
524 | array = HvARRAY(strtab); | |
525 | hent = array[0]; | |
526 | for (;;) { | |
527 | if (hent) { | |
528 | warn("Unbalanced string table refcount: (%d) for \"%s\"", | |
529 | HeVAL(hent) - Nullsv, HeKEY(hent)); | |
530 | HeVAL(hent) = Nullsv; | |
531 | hent = HeNEXT(hent); | |
532 | } | |
533 | if (!hent) { | |
534 | if (++riter > max) | |
535 | break; | |
536 | hent = array[riter]; | |
537 | } | |
538 | } | |
539 | } | |
540 | SvREFCNT_dec(strtab); | |
541 | ||
8990e307 | 542 | if (sv_count != 0) |
ff0cee69 | 543 | warn("Scalars leaked: %ld\n", (long)sv_count); |
6e72f9df | 544 | |
4633a7c4 | 545 | sv_free_arenas(); |
44a8e56a | 546 | |
547 | /* No SVs have survived, need to clean out */ | |
548 | linestr = NULL; | |
549 | pidstatus = Nullhv; | |
6e72f9df | 550 | if (origfilename) |
551 | Safefree(origfilename); | |
552 | nuke_stacks(); | |
fc36a67e | 553 | hints = 0; /* Reset hints. Should hints be per-interpreter ? */ |
a0d0e21e LW |
554 | |
555 | DEBUG_P(debprofdump()); | |
11343788 MB |
556 | #ifdef USE_THREADS |
557 | MUTEX_DESTROY(&sv_mutex); | |
558 | MUTEX_DESTROY(&malloc_mutex); | |
559 | MUTEX_DESTROY(&eval_mutex); | |
c116a00c | 560 | COND_DESTROY(&eval_cond); |
fc36a67e | 561 | |
8023c3ce MB |
562 | /* As the penultimate thing, free the non-arena SV for thrsv */ |
563 | Safefree(SvPVX(thrsv)); | |
564 | Safefree(SvANY(thrsv)); | |
565 | Safefree(thrsv); | |
566 | thrsv = Nullsv; | |
567 | #endif /* USE_THREADS */ | |
568 | ||
fc36a67e | 569 | /* As the absolutely last thing, free the non-arena SV for mess() */ |
570 | ||
571 | if (mess_sv) { | |
572 | /* we know that type >= SVt_PV */ | |
573 | SvOOK_off(mess_sv); | |
574 | Safefree(SvPVX(mess_sv)); | |
575 | Safefree(SvANY(mess_sv)); | |
576 | Safefree(mess_sv); | |
577 | mess_sv = Nullsv; | |
578 | } | |
79072805 LW |
579 | } |
580 | ||
581 | void | |
582 | perl_free(sv_interp) | |
93a17b20 | 583 | PerlInterpreter *sv_interp; |
79072805 LW |
584 | { |
585 | if (!(curinterp = sv_interp)) | |
586 | return; | |
587 | Safefree(sv_interp); | |
588 | } | |
589 | ||
590 | int | |
a0d0e21e | 591 | perl_parse(sv_interp, xsinit, argc, argv, env) |
93a17b20 | 592 | PerlInterpreter *sv_interp; |
a0d0e21e LW |
593 | void (*xsinit)_((void)); |
594 | int argc; | |
595 | char **argv; | |
79072805 | 596 | char **env; |
8d063cd8 | 597 | { |
11343788 | 598 | dTHR; |
79072805 | 599 | register SV *sv; |
8d063cd8 | 600 | register char *s; |
1a30305b | 601 | char *scriptname = NULL; |
a0d0e21e | 602 | VOL bool dosearch = FALSE; |
13281fa4 | 603 | char *validarg = ""; |
2ae324a7 | 604 | I32 oldscope; |
748a9306 | 605 | AV* comppadlist; |
54310121 | 606 | dJMPENV; |
22921e25 | 607 | int ret; |
8d063cd8 | 608 | |
a687059c LW |
609 | #ifdef SETUID_SCRIPTS_ARE_SECURE_NOW |
610 | #ifdef IAMSUID | |
611 | #undef IAMSUID | |
463ee0b2 | 612 | croak("suidperl is no longer needed since the kernel can now execute\n\ |
a687059c LW |
613 | setuid perl scripts securely.\n"); |
614 | #endif | |
615 | #endif | |
616 | ||
79072805 LW |
617 | if (!(curinterp = sv_interp)) |
618 | return 255; | |
619 | ||
6e72f9df | 620 | #if defined(NeXT) && defined(__DYNAMIC__) |
621 | _dyld_lookup_and_bind | |
622 | ("__environ", (unsigned long *) &environ_pointer, NULL); | |
623 | #endif /* environ */ | |
624 | ||
ac58e20f LW |
625 | origargv = argv; |
626 | origargc = argc; | |
a0d0e21e | 627 | #ifndef VMS /* VMS doesn't have environ array */ |
fe14fcc3 | 628 | origenviron = environ; |
a0d0e21e | 629 | #endif |
ab821d7f | 630 | e_tmpname = Nullch; |
a0d0e21e LW |
631 | |
632 | if (do_undump) { | |
633 | ||
634 | /* Come here if running an undumped a.out. */ | |
635 | ||
636 | origfilename = savepv(argv[0]); | |
637 | do_undump = FALSE; | |
638 | cxstack_ix = -1; /* start label stack again */ | |
748a9306 | 639 | init_ids(); |
a0d0e21e LW |
640 | init_postdump_symbols(argc,argv,env); |
641 | return 0; | |
642 | } | |
643 | ||
ff0cee69 | 644 | if (main_root) { |
645 | curpad = AvARRAY(comppad); | |
a0d0e21e | 646 | op_free(main_root); |
ff0cee69 | 647 | main_root = Nullop; |
648 | } | |
649 | main_start = Nullop; | |
650 | SvREFCNT_dec(main_cv); | |
651 | main_cv = Nullcv; | |
79072805 | 652 | |
f86702cc | 653 | time(&basetime); |
2ae324a7 | 654 | oldscope = scopestack_ix; |
f86702cc | 655 | |
22921e25 CS |
656 | JMPENV_PUSH(ret); |
657 | switch (ret) { | |
79072805 | 658 | case 1: |
f86702cc | 659 | STATUS_ALL_FAILURE; |
660 | /* FALL THROUGH */ | |
79072805 | 661 | case 2: |
f86702cc | 662 | /* my_exit() was called */ |
2ae324a7 | 663 | while (scopestack_ix > oldscope) |
664 | LEAVE; | |
84902520 | 665 | FREETMPS; |
8990e307 LW |
666 | curstash = defstash; |
667 | if (endav) | |
68dc0745 | 668 | call_list(oldscope, endav); |
54310121 | 669 | JMPENV_POP; |
f86702cc | 670 | return STATUS_NATIVE_EXPORT; |
79072805 | 671 | case 3: |
54310121 | 672 | JMPENV_POP; |
760ac839 | 673 | PerlIO_printf(PerlIO_stderr(), "panic: top_env\n"); |
8990e307 | 674 | return 1; |
79072805 LW |
675 | } |
676 | ||
79072805 LW |
677 | sv_setpvn(linestr,"",0); |
678 | sv = newSVpv("",0); /* first used for -I flags */ | |
8990e307 | 679 | SAVEFREESV(sv); |
79072805 | 680 | init_main_stash(); |
54310121 | 681 | |
33b78306 | 682 | for (argc--,argv++; argc > 0; argc--,argv++) { |
8d063cd8 LW |
683 | if (argv[0][0] != '-' || !argv[0][1]) |
684 | break; | |
13281fa4 LW |
685 | #ifdef DOSUID |
686 | if (*validarg) | |
687 | validarg = " PHOOEY "; | |
688 | else | |
689 | validarg = argv[0]; | |
690 | #endif | |
691 | s = argv[0]+1; | |
8d063cd8 | 692 | reswitch: |
13281fa4 | 693 | switch (*s) { |
27e2fb84 | 694 | case '0': |
2304df62 | 695 | case 'F': |
378cc40b | 696 | case 'a': |
33b78306 | 697 | case 'c': |
a687059c | 698 | case 'd': |
8d063cd8 | 699 | case 'D': |
4633a7c4 | 700 | case 'h': |
33b78306 | 701 | case 'i': |
fe14fcc3 | 702 | case 'l': |
1a30305b | 703 | case 'M': |
704 | case 'm': | |
33b78306 LW |
705 | case 'n': |
706 | case 'p': | |
79072805 | 707 | case 's': |
33b78306 LW |
708 | case 'u': |
709 | case 'U': | |
710 | case 'v': | |
711 | case 'w': | |
712 | if (s = moreswitches(s)) | |
713 | goto reswitch; | |
8d063cd8 | 714 | break; |
33b78306 | 715 | |
f86702cc | 716 | case 'T': |
717 | tainting = TRUE; | |
718 | s++; | |
719 | goto reswitch; | |
720 | ||
8d063cd8 | 721 | case 'e': |
a687059c | 722 | if (euid != uid || egid != gid) |
463ee0b2 | 723 | croak("No -e allowed in setuid scripts"); |
8d063cd8 | 724 | if (!e_fp) { |
a0d0e21e | 725 | e_tmpname = savepv(TMPPATH); |
a687059c | 726 | (void)mktemp(e_tmpname); |
83025b21 | 727 | if (!*e_tmpname) |
463ee0b2 | 728 | croak("Can't mktemp()"); |
760ac839 | 729 | e_fp = PerlIO_open(e_tmpname,"w"); |
33b78306 | 730 | if (!e_fp) |
463ee0b2 | 731 | croak("Cannot open temporary file"); |
8d063cd8 | 732 | } |
552a7a9b | 733 | if (*++s) |
734 | PerlIO_puts(e_fp,s); | |
735 | else if (argv[1]) { | |
760ac839 | 736 | PerlIO_puts(e_fp,argv[1]); |
33b78306 LW |
737 | argc--,argv++; |
738 | } | |
552a7a9b | 739 | else |
740 | croak("No code specified for -e"); | |
760ac839 | 741 | (void)PerlIO_putc(e_fp,'\n'); |
8d063cd8 | 742 | break; |
fb73857a | 743 | case 'I': /* -I handled both here and in moreswitches() */ |
bbce6d69 | 744 | forbid_setid("-I"); |
fb73857a | 745 | if (!*++s && (s=argv[1]) != Nullch) { |
8d063cd8 | 746 | argc--,argv++; |
8d063cd8 | 747 | } |
fb73857a | 748 | while (s && isSPACE(*s)) |
749 | ++s; | |
750 | if (s && *s) { | |
751 | char *e, *p; | |
752 | for (e = s; *e && !isSPACE(*e); e++) ; | |
753 | p = savepvn(s, e-s); | |
754 | incpush(p, TRUE); | |
755 | sv_catpv(sv,"-I"); | |
756 | sv_catpv(sv,p); | |
757 | sv_catpv(sv," "); | |
758 | Safefree(p); | |
759 | } /* XXX else croak? */ | |
8d063cd8 | 760 | break; |
8d063cd8 | 761 | case 'P': |
bbce6d69 | 762 | forbid_setid("-P"); |
8d063cd8 | 763 | preprocess = TRUE; |
13281fa4 | 764 | s++; |
8d063cd8 | 765 | goto reswitch; |
378cc40b | 766 | case 'S': |
bbce6d69 | 767 | forbid_setid("-S"); |
378cc40b | 768 | dosearch = TRUE; |
13281fa4 | 769 | s++; |
378cc40b | 770 | goto reswitch; |
1a30305b | 771 | case 'V': |
772 | if (!preambleav) | |
773 | preambleav = newAV(); | |
774 | av_push(preambleav, newSVpv("use Config qw(myconfig config_vars)",0)); | |
775 | if (*++s != ':') { | |
6e72f9df | 776 | Sv = newSVpv("print myconfig();",0); |
777 | #ifdef VMS | |
778 | sv_catpv(Sv,"print \"\\nCharacteristics of this PERLSHR image: \\n\","); | |
779 | #else | |
780 | sv_catpv(Sv,"print \"\\nCharacteristics of this binary (from libperl): \\n\","); | |
781 | #endif | |
54310121 | 782 | #if defined(DEBUGGING) || defined(NO_EMBED) || defined(MULTIPLICITY) |
46fc3d4c | 783 | sv_catpv(Sv,"\" Compile-time options:"); |
6e72f9df | 784 | # ifdef DEBUGGING |
46fc3d4c | 785 | sv_catpv(Sv," DEBUGGING"); |
6e72f9df | 786 | # endif |
54310121 | 787 | # ifdef NO_EMBED |
46fc3d4c | 788 | sv_catpv(Sv," NO_EMBED"); |
6e72f9df | 789 | # endif |
790 | # ifdef MULTIPLICITY | |
46fc3d4c | 791 | sv_catpv(Sv," MULTIPLICITY"); |
6e72f9df | 792 | # endif |
46fc3d4c | 793 | sv_catpv(Sv,"\\n\","); |
6e72f9df | 794 | #endif |
795 | #if defined(LOCAL_PATCH_COUNT) | |
54310121 | 796 | if (LOCAL_PATCH_COUNT > 0) { |
797 | int i; | |
5cd24f17 | 798 | sv_catpv(Sv,"\" Locally applied patches:\\n\","); |
6e72f9df | 799 | for (i = 1; i <= LOCAL_PATCH_COUNT; i++) { |
46fc3d4c | 800 | if (localpatches[i]) |
801 | sv_catpvf(Sv,"\" \\t%s\\n\",",localpatches[i]); | |
6e72f9df | 802 | } |
803 | } | |
804 | #endif | |
46fc3d4c | 805 | sv_catpvf(Sv,"\" Built under %s\\n\"",OSNAME); |
6e72f9df | 806 | #ifdef __DATE__ |
807 | # ifdef __TIME__ | |
46fc3d4c | 808 | sv_catpvf(Sv,",\" Compiled at %s %s\\n\"",__DATE__,__TIME__); |
6e72f9df | 809 | # else |
46fc3d4c | 810 | sv_catpvf(Sv,",\" Compiled on %s\\n\"",__DATE__); |
6e72f9df | 811 | # endif |
6e72f9df | 812 | #endif |
54310121 | 813 | sv_catpv(Sv, "; \ |
814 | $\"=\"\\n \"; \ | |
815 | @env = map { \"$_=\\\"$ENV{$_}\\\"\" } sort grep {/^PERL/} keys %ENV; \ | |
816 | print \" \\%ENV:\\n @env\\n\" if @env; \ | |
817 | print \" \\@INC:\\n @INC\\n\";"); | |
1a30305b | 818 | } |
819 | else { | |
820 | Sv = newSVpv("config_vars(qw(",0); | |
821 | sv_catpv(Sv, ++s); | |
822 | sv_catpv(Sv, "))"); | |
823 | s += strlen(s); | |
824 | } | |
825 | av_push(preambleav, Sv); | |
c07a80fd | 826 | scriptname = BIT_BUCKET; /* don't look for script or read stdin */ |
1a30305b | 827 | goto reswitch; |
33b78306 LW |
828 | case 'x': |
829 | doextract = TRUE; | |
13281fa4 | 830 | s++; |
33b78306 | 831 | if (*s) |
a0d0e21e | 832 | cddir = savepv(s); |
33b78306 | 833 | break; |
8d063cd8 LW |
834 | case 0: |
835 | break; | |
fb73857a | 836 | case '-': |
837 | if (!*++s || isSPACE(*s)) { | |
838 | argc--,argv++; | |
839 | goto switch_end; | |
840 | } | |
841 | /* catch use of gnu style long options */ | |
842 | if (strEQ(s, "version")) { | |
843 | s = "v"; | |
844 | goto reswitch; | |
845 | } | |
846 | if (strEQ(s, "help")) { | |
847 | s = "h"; | |
848 | goto reswitch; | |
849 | } | |
850 | s--; | |
851 | /* FALL THROUGH */ | |
8d063cd8 | 852 | default: |
90248788 | 853 | croak("Unrecognized switch: -%s (-h will show valid options)",s); |
8d063cd8 LW |
854 | } |
855 | } | |
856 | switch_end: | |
54310121 | 857 | |
858 | if (!tainting && (s = getenv("PERL5OPT"))) { | |
fb73857a | 859 | while (s && *s) { |
54310121 | 860 | while (isSPACE(*s)) |
861 | s++; | |
862 | if (*s == '-') { | |
863 | s++; | |
864 | if (isSPACE(*s)) | |
865 | continue; | |
866 | } | |
867 | if (!*s) | |
868 | break; | |
869 | if (!strchr("DIMUdmw", *s)) | |
870 | croak("Illegal switch in PERL5OPT: -%c", *s); | |
871 | s = moreswitches(s); | |
872 | } | |
873 | } | |
874 | ||
1a30305b | 875 | if (!scriptname) |
876 | scriptname = argv[0]; | |
8d063cd8 | 877 | if (e_fp) { |
68dc0745 | 878 | if (PerlIO_flush(e_fp) || PerlIO_error(e_fp) || PerlIO_close(e_fp)) { |
879 | #ifndef MULTIPLICITY | |
880 | warn("Did you forget to compile with -DMULTIPLICITY?"); | |
881 | #endif | |
2304df62 | 882 | croak("Can't write to temp file for -e: %s", Strerror(errno)); |
68dc0745 | 883 | } |
ab821d7f | 884 | e_fp = Nullfp; |
8d063cd8 | 885 | argc++,argv--; |
45d8adaa | 886 | scriptname = e_tmpname; |
8d063cd8 | 887 | } |
79072805 LW |
888 | else if (scriptname == Nullch) { |
889 | #ifdef MSDOS | |
760ac839 | 890 | if ( isatty(PerlIO_fileno(PerlIO_stdin())) ) |
55497cff | 891 | moreswitches("h"); |
fe14fcc3 | 892 | #endif |
79072805 LW |
893 | scriptname = "-"; |
894 | } | |
fe14fcc3 | 895 | |
79072805 | 896 | init_perllib(); |
8d063cd8 | 897 | |
79072805 | 898 | open_script(scriptname,dosearch,sv); |
8d063cd8 | 899 | |
96436eeb | 900 | validate_suid(validarg, scriptname); |
378cc40b | 901 | |
79072805 LW |
902 | if (doextract) |
903 | find_beginning(); | |
904 | ||
4fdae800 | 905 | main_cv = compcv = (CV*)NEWSV(1104,0); |
748a9306 | 906 | sv_upgrade((SV *)compcv, SVt_PVCV); |
07055b4c | 907 | CvUNIQUE_on(compcv); |
748a9306 | 908 | |
6e72f9df | 909 | comppad = newAV(); |
79072805 LW |
910 | av_push(comppad, Nullsv); |
911 | curpad = AvARRAY(comppad); | |
6e72f9df | 912 | comppad_name = newAV(); |
8990e307 | 913 | comppad_name_fill = 0; |
e858de61 MB |
914 | min_intro_pending = 0; |
915 | padix = 0; | |
11343788 MB |
916 | #ifdef USE_THREADS |
917 | av_store(comppad_name, 0, newSVpv("@_", 2)); | |
e858de61 | 918 | curpad[0] = (SV*)newAV(); |
6d4ff0d2 | 919 | SvPADMY_on(curpad[0]); /* XXX Needed? */ |
e858de61 | 920 | CvOWNER(compcv) = 0; |
12ca11f6 | 921 | New(666, CvMUTEXP(compcv), 1, perl_mutex); |
e858de61 | 922 | MUTEX_INIT(CvMUTEXP(compcv)); |
11343788 | 923 | #endif /* USE_THREADS */ |
79072805 | 924 | |
748a9306 LW |
925 | comppadlist = newAV(); |
926 | AvREAL_off(comppadlist); | |
8e07c86e AD |
927 | av_store(comppadlist, 0, (SV*)comppad_name); |
928 | av_store(comppadlist, 1, (SV*)comppad); | |
748a9306 LW |
929 | CvPADLIST(compcv) = comppadlist; |
930 | ||
6e72f9df | 931 | boot_core_UNIVERSAL(); |
a0d0e21e LW |
932 | if (xsinit) |
933 | (*xsinit)(); /* in case linked C routines want magical variables */ | |
ad2e33dc | 934 | #if defined(VMS) || defined(WIN32) |
748a9306 LW |
935 | init_os_extras(); |
936 | #endif | |
93a17b20 | 937 | |
77a005ab MB |
938 | #if defined(DEBUGGING) && defined(USE_THREADS) && defined(__linux__) |
939 | DEBUG_L(signal(SIGSEGV, (void(*)(int))catch_sigsegv);); | |
940 | #endif | |
941 | ||
93a17b20 | 942 | init_predump_symbols(); |
8990e307 LW |
943 | if (!do_undump) |
944 | init_postdump_symbols(argc,argv,env); | |
93a17b20 | 945 | |
79072805 LW |
946 | init_lexer(); |
947 | ||
948 | /* now parse the script */ | |
949 | ||
950 | error_count = 0; | |
951 | if (yyparse() || error_count) { | |
952 | if (minus_c) | |
463ee0b2 | 953 | croak("%s had compilation errors.\n", origfilename); |
79072805 | 954 | else { |
463ee0b2 | 955 | croak("Execution of %s aborted due to compilation errors.\n", |
79072805 | 956 | origfilename); |
378cc40b | 957 | } |
79072805 LW |
958 | } |
959 | curcop->cop_line = 0; | |
960 | curstash = defstash; | |
961 | preprocess = FALSE; | |
ab821d7f | 962 | if (e_tmpname) { |
79072805 | 963 | (void)UNLINK(e_tmpname); |
ab821d7f | 964 | Safefree(e_tmpname); |
965 | e_tmpname = Nullch; | |
378cc40b | 966 | } |
a687059c | 967 | |
93a17b20 | 968 | /* now that script is parsed, we can modify record separator */ |
c07a80fd | 969 | SvREFCNT_dec(rs); |
970 | rs = SvREFCNT_inc(nrs); | |
a863c7d1 | 971 | #ifdef USE_THREADS |
554b3eca | 972 | sv_setsv(*av_fetch(thr->magicals, find_thread_magical("/"), FALSE), rs); |
a863c7d1 | 973 | #else |
c07a80fd | 974 | sv_setsv(GvSV(gv_fetchpv("/", TRUE, SVt_PV)), rs); |
a863c7d1 | 975 | #endif /* USE_THREADS */ |
79072805 LW |
976 | if (do_undump) |
977 | my_unexec(); | |
978 | ||
8990e307 LW |
979 | if (dowarn) |
980 | gv_check(defstash); | |
981 | ||
a0d0e21e LW |
982 | LEAVE; |
983 | FREETMPS; | |
c07a80fd | 984 | |
3562ef9b | 985 | #ifdef MYMALLOC |
c07a80fd | 986 | if ((s=getenv("PERL_DEBUG_MSTATS")) && atoi(s) >= 2) |
987 | dump_mstats("after compilation:"); | |
988 | #endif | |
989 | ||
a0d0e21e LW |
990 | ENTER; |
991 | restartop = 0; | |
54310121 | 992 | JMPENV_POP; |
79072805 LW |
993 | return 0; |
994 | } | |
995 | ||
996 | int | |
997 | perl_run(sv_interp) | |
93a17b20 | 998 | PerlInterpreter *sv_interp; |
79072805 | 999 | { |
11343788 | 1000 | dTHR; |
2ae324a7 | 1001 | I32 oldscope; |
22921e25 CS |
1002 | dJMPENV; |
1003 | int ret; | |
2ae324a7 | 1004 | |
79072805 LW |
1005 | if (!(curinterp = sv_interp)) |
1006 | return 255; | |
2ae324a7 | 1007 | |
1008 | oldscope = scopestack_ix; | |
1009 | ||
22921e25 CS |
1010 | JMPENV_PUSH(ret); |
1011 | switch (ret) { | |
79072805 LW |
1012 | case 1: |
1013 | cxstack_ix = -1; /* start context stack again */ | |
1014 | break; | |
1015 | case 2: | |
f86702cc | 1016 | /* my_exit() was called */ |
2ae324a7 | 1017 | while (scopestack_ix > oldscope) |
1018 | LEAVE; | |
84902520 | 1019 | FREETMPS; |
79072805 | 1020 | curstash = defstash; |
93a17b20 | 1021 | if (endav) |
68dc0745 | 1022 | call_list(oldscope, endav); |
3562ef9b | 1023 | #ifdef MYMALLOC |
c07a80fd | 1024 | if (getenv("PERL_DEBUG_MSTATS")) |
1025 | dump_mstats("after execution: "); | |
1026 | #endif | |
54310121 | 1027 | JMPENV_POP; |
f86702cc | 1028 | return STATUS_NATIVE_EXPORT; |
79072805 LW |
1029 | case 3: |
1030 | if (!restartop) { | |
760ac839 | 1031 | PerlIO_printf(PerlIO_stderr(), "panic: restartop\n"); |
a0d0e21e | 1032 | FREETMPS; |
54310121 | 1033 | JMPENV_POP; |
8990e307 | 1034 | return 1; |
83025b21 | 1035 | } |
6e72f9df | 1036 | if (curstack != mainstack) { |
79072805 | 1037 | dSP; |
6e72f9df | 1038 | SWITCHSTACK(curstack, mainstack); |
79072805 LW |
1039 | } |
1040 | break; | |
8d063cd8 | 1041 | } |
79072805 | 1042 | |
fb73857a | 1043 | DEBUG_r(PerlIO_printf(Perl_debug_log, "%s $` $& $' support.\n", |
6e72f9df | 1044 | sawampersand ? "Enabling" : "Omitting")); |
1045 | ||
79072805 LW |
1046 | if (!restartop) { |
1047 | DEBUG_x(dump_all()); | |
760ac839 | 1048 | DEBUG(PerlIO_printf(Perl_debug_log, "\nEXECUTING...\n\n")); |
11343788 | 1049 | #ifdef USE_THREADS |
5dc0d613 MB |
1050 | DEBUG_L(PerlIO_printf(Perl_debug_log, "main thread is 0x%lx\n", |
1051 | (unsigned long) thr)); | |
11343788 | 1052 | #endif /* USE_THREADS */ |
79072805 LW |
1053 | |
1054 | if (minus_c) { | |
760ac839 | 1055 | PerlIO_printf(PerlIO_stderr(), "%s syntax OK\n", origfilename); |
79072805 LW |
1056 | my_exit(0); |
1057 | } | |
84902520 | 1058 | if (PERLDB_SINGLE && DBsingle) |
a0d0e21e | 1059 | sv_setiv(DBsingle, 1); |
7d07dbc2 MB |
1060 | if (initav) |
1061 | call_list(oldscope, initav); | |
45d8adaa | 1062 | } |
79072805 LW |
1063 | |
1064 | /* do it */ | |
1065 | ||
1066 | if (restartop) { | |
1067 | op = restartop; | |
1068 | restartop = 0; | |
ab821d7f | 1069 | runops(); |
79072805 LW |
1070 | } |
1071 | else if (main_start) { | |
4fdae800 | 1072 | CvDEPTH(main_cv) = 1; |
79072805 | 1073 | op = main_start; |
ab821d7f | 1074 | runops(); |
79072805 | 1075 | } |
79072805 LW |
1076 | |
1077 | my_exit(0); | |
54310121 | 1078 | /* NOTREACHED */ |
a0d0e21e | 1079 | return 0; |
79072805 LW |
1080 | } |
1081 | ||
a0d0e21e LW |
1082 | SV* |
1083 | perl_get_sv(name, create) | |
1084 | char* name; | |
1085 | I32 create; | |
1086 | { | |
1087 | GV* gv = gv_fetchpv(name, create, SVt_PV); | |
1088 | if (gv) | |
1089 | return GvSV(gv); | |
1090 | return Nullsv; | |
1091 | } | |
1092 | ||
1093 | AV* | |
1094 | perl_get_av(name, create) | |
1095 | char* name; | |
1096 | I32 create; | |
1097 | { | |
1098 | GV* gv = gv_fetchpv(name, create, SVt_PVAV); | |
1099 | if (create) | |
1100 | return GvAVn(gv); | |
1101 | if (gv) | |
1102 | return GvAV(gv); | |
1103 | return Nullav; | |
1104 | } | |
1105 | ||
1106 | HV* | |
1107 | perl_get_hv(name, create) | |
1108 | char* name; | |
1109 | I32 create; | |
1110 | { | |
1111 | GV* gv = gv_fetchpv(name, create, SVt_PVHV); | |
1112 | if (create) | |
1113 | return GvHVn(gv); | |
1114 | if (gv) | |
1115 | return GvHV(gv); | |
1116 | return Nullhv; | |
1117 | } | |
1118 | ||
1119 | CV* | |
1120 | perl_get_cv(name, create) | |
1121 | char* name; | |
1122 | I32 create; | |
1123 | { | |
1124 | GV* gv = gv_fetchpv(name, create, SVt_PVCV); | |
8ebc5c01 | 1125 | if (create && !GvCVu(gv)) |
774d564b | 1126 | return newSUB(start_subparse(FALSE, 0), |
a0d0e21e | 1127 | newSVOP(OP_CONST, 0, newSVpv(name,0)), |
4633a7c4 | 1128 | Nullop, |
a0d0e21e LW |
1129 | Nullop); |
1130 | if (gv) | |
8ebc5c01 | 1131 | return GvCVu(gv); |
a0d0e21e LW |
1132 | return Nullcv; |
1133 | } | |
1134 | ||
79072805 LW |
1135 | /* Be sure to refetch the stack pointer after calling these routines. */ |
1136 | ||
a0d0e21e LW |
1137 | I32 |
1138 | perl_call_argv(subname, flags, argv) | |
8990e307 | 1139 | char *subname; |
a0d0e21e LW |
1140 | I32 flags; /* See G_* flags in cop.h */ |
1141 | register char **argv; /* null terminated arg list */ | |
8990e307 | 1142 | { |
11343788 | 1143 | dTHR; |
a0d0e21e | 1144 | dSP; |
8990e307 | 1145 | |
a0d0e21e LW |
1146 | PUSHMARK(sp); |
1147 | if (argv) { | |
8990e307 | 1148 | while (*argv) { |
a0d0e21e | 1149 | XPUSHs(sv_2mortal(newSVpv(*argv,0))); |
8990e307 LW |
1150 | argv++; |
1151 | } | |
a0d0e21e | 1152 | PUTBACK; |
8990e307 | 1153 | } |
a0d0e21e | 1154 | return perl_call_pv(subname, flags); |
8990e307 LW |
1155 | } |
1156 | ||
a0d0e21e LW |
1157 | I32 |
1158 | perl_call_pv(subname, flags) | |
1159 | char *subname; /* name of the subroutine */ | |
1160 | I32 flags; /* See G_* flags in cop.h */ | |
1161 | { | |
1162 | return perl_call_sv((SV*)perl_get_cv(subname, TRUE), flags); | |
1163 | } | |
1164 | ||
1165 | I32 | |
1166 | perl_call_method(methname, flags) | |
1167 | char *methname; /* name of the subroutine */ | |
1168 | I32 flags; /* See G_* flags in cop.h */ | |
1169 | { | |
11343788 | 1170 | dTHR; |
a0d0e21e LW |
1171 | dSP; |
1172 | OP myop; | |
1173 | if (!op) | |
1174 | op = &myop; | |
1175 | XPUSHs(sv_2mortal(newSVpv(methname,0))); | |
1176 | PUTBACK; | |
11343788 | 1177 | pp_method(ARGS); |
a0d0e21e LW |
1178 | return perl_call_sv(*stack_sp--, flags); |
1179 | } | |
1180 | ||
1181 | /* May be called with any of a CV, a GV, or an SV containing the name. */ | |
1182 | I32 | |
1183 | perl_call_sv(sv, flags) | |
1184 | SV* sv; | |
1185 | I32 flags; /* See G_* flags in cop.h */ | |
1186 | { | |
11343788 | 1187 | dTHR; |
a0d0e21e LW |
1188 | LOGOP myop; /* fake syntax tree node */ |
1189 | SV** sp = stack_sp; | |
aa689395 | 1190 | I32 oldmark; |
a0d0e21e | 1191 | I32 retval; |
a0d0e21e | 1192 | I32 oldscope; |
6e72f9df | 1193 | static CV *DBcv; |
54310121 | 1194 | bool oldcatch = CATCH_GET; |
1195 | dJMPENV; | |
22921e25 | 1196 | int ret; |
d6602a8c | 1197 | OP* oldop = op; |
1e422769 | 1198 | |
a0d0e21e LW |
1199 | if (flags & G_DISCARD) { |
1200 | ENTER; | |
1201 | SAVETMPS; | |
1202 | } | |
1203 | ||
aa689395 | 1204 | Zero(&myop, 1, LOGOP); |
54310121 | 1205 | myop.op_next = Nullop; |
f51d4af5 | 1206 | if (!(flags & G_NOARGS)) |
aa689395 | 1207 | myop.op_flags |= OPf_STACKED; |
54310121 | 1208 | myop.op_flags |= ((flags & G_VOID) ? OPf_WANT_VOID : |
1209 | (flags & G_ARRAY) ? OPf_WANT_LIST : | |
1210 | OPf_WANT_SCALAR); | |
462e5cf6 | 1211 | SAVEOP(); |
a0d0e21e | 1212 | op = (OP*)&myop; |
aa689395 | 1213 | |
a0d0e21e LW |
1214 | EXTEND(stack_sp, 1); |
1215 | *++stack_sp = sv; | |
aa689395 | 1216 | oldmark = TOPMARK; |
a0d0e21e LW |
1217 | oldscope = scopestack_ix; |
1218 | ||
84902520 | 1219 | if (PERLDB_SUB && curstash != debstash |
36477c24 | 1220 | /* Handle first BEGIN of -d. */ |
1221 | && (DBcv || (DBcv = GvCV(DBsub))) | |
1222 | /* Try harder, since this may have been a sighandler, thus | |
1223 | * curstash may be meaningless. */ | |
1224 | && (SvTYPE(sv) != SVt_PVCV || CvSTASH((CV*)sv) != debstash)) | |
6e72f9df | 1225 | op->op_private |= OPpENTERSUB_DB; |
a0d0e21e LW |
1226 | |
1227 | if (flags & G_EVAL) { | |
a0d0e21e LW |
1228 | cLOGOP->op_other = op; |
1229 | markstack_ptr--; | |
4633a7c4 LW |
1230 | /* we're trying to emulate pp_entertry() here */ |
1231 | { | |
1232 | register CONTEXT *cx; | |
54310121 | 1233 | I32 gimme = GIMME_V; |
4633a7c4 LW |
1234 | |
1235 | ENTER; | |
1236 | SAVETMPS; | |
1237 | ||
1238 | push_return(op->op_next); | |
1239 | PUSHBLOCK(cx, CXt_EVAL, stack_sp); | |
1240 | PUSHEVAL(cx, 0, 0); | |
1241 | eval_root = op; /* Only needed so that goto works right. */ | |
1242 | ||
1243 | in_eval = 1; | |
1244 | if (flags & G_KEEPERR) | |
1245 | in_eval |= 4; | |
1246 | else | |
a863c7d1 | 1247 | sv_setpv(errsv,""); |
4633a7c4 | 1248 | } |
a0d0e21e LW |
1249 | markstack_ptr++; |
1250 | ||
22921e25 CS |
1251 | JMPENV_PUSH(ret); |
1252 | switch (ret) { | |
a0d0e21e LW |
1253 | case 0: |
1254 | break; | |
1255 | case 1: | |
f86702cc | 1256 | STATUS_ALL_FAILURE; |
a0d0e21e LW |
1257 | /* FALL THROUGH */ |
1258 | case 2: | |
1259 | /* my_exit() was called */ | |
1260 | curstash = defstash; | |
1261 | FREETMPS; | |
54310121 | 1262 | JMPENV_POP; |
a0d0e21e LW |
1263 | if (statusvalue) |
1264 | croak("Callback called exit"); | |
f86702cc | 1265 | my_exit_jump(); |
a0d0e21e LW |
1266 | /* NOTREACHED */ |
1267 | case 3: | |
1268 | if (restartop) { | |
1269 | op = restartop; | |
1270 | restartop = 0; | |
54310121 | 1271 | break; |
a0d0e21e LW |
1272 | } |
1273 | stack_sp = stack_base + oldmark; | |
1274 | if (flags & G_ARRAY) | |
1275 | retval = 0; | |
1276 | else { | |
1277 | retval = 1; | |
1278 | *++stack_sp = &sv_undef; | |
1279 | } | |
1280 | goto cleanup; | |
1281 | } | |
1282 | } | |
1e422769 | 1283 | else |
54310121 | 1284 | CATCH_SET(TRUE); |
a0d0e21e LW |
1285 | |
1286 | if (op == (OP*)&myop) | |
11343788 | 1287 | op = pp_entersub(ARGS); |
a0d0e21e | 1288 | if (op) |
ab821d7f | 1289 | runops(); |
a0d0e21e | 1290 | retval = stack_sp - (stack_base + oldmark); |
4633a7c4 | 1291 | if ((flags & G_EVAL) && !(flags & G_KEEPERR)) |
a863c7d1 | 1292 | sv_setpv(errsv,""); |
a0d0e21e LW |
1293 | |
1294 | cleanup: | |
1295 | if (flags & G_EVAL) { | |
1296 | if (scopestack_ix > oldscope) { | |
a0a2876f LW |
1297 | SV **newsp; |
1298 | PMOP *newpm; | |
1299 | I32 gimme; | |
1300 | register CONTEXT *cx; | |
1301 | I32 optype; | |
1302 | ||
1303 | POPBLOCK(cx,newpm); | |
1304 | POPEVAL(cx); | |
1305 | pop_return(); | |
1306 | curpm = newpm; | |
1307 | LEAVE; | |
a0d0e21e | 1308 | } |
54310121 | 1309 | JMPENV_POP; |
a0d0e21e | 1310 | } |
1e422769 | 1311 | else |
54310121 | 1312 | CATCH_SET(oldcatch); |
1e422769 | 1313 | |
a0d0e21e LW |
1314 | if (flags & G_DISCARD) { |
1315 | stack_sp = stack_base + oldmark; | |
1316 | retval = 0; | |
1317 | FREETMPS; | |
1318 | LEAVE; | |
1319 | } | |
d6602a8c | 1320 | op = oldop; |
a0d0e21e LW |
1321 | return retval; |
1322 | } | |
1323 | ||
6e72f9df | 1324 | /* Eval a string. The G_EVAL flag is always assumed. */ |
8990e307 | 1325 | |
a0d0e21e | 1326 | I32 |
4633a7c4 | 1327 | perl_eval_sv(sv, flags) |
8990e307 | 1328 | SV* sv; |
4633a7c4 | 1329 | I32 flags; /* See G_* flags in cop.h */ |
a0d0e21e | 1330 | { |
11343788 | 1331 | dTHR; |
a0d0e21e | 1332 | UNOP myop; /* fake syntax tree node */ |
4633a7c4 LW |
1333 | SV** sp = stack_sp; |
1334 | I32 oldmark = sp - stack_base; | |
1335 | I32 retval; | |
4633a7c4 | 1336 | I32 oldscope; |
54310121 | 1337 | dJMPENV; |
22921e25 | 1338 | int ret; |
84902520 TB |
1339 | OP* oldop = op; |
1340 | ||
4633a7c4 LW |
1341 | if (flags & G_DISCARD) { |
1342 | ENTER; | |
1343 | SAVETMPS; | |
1344 | } | |
1345 | ||
462e5cf6 | 1346 | SAVEOP(); |
79072805 | 1347 | op = (OP*)&myop; |
a0d0e21e | 1348 | Zero(op, 1, UNOP); |
4633a7c4 LW |
1349 | EXTEND(stack_sp, 1); |
1350 | *++stack_sp = sv; | |
1351 | oldscope = scopestack_ix; | |
79072805 | 1352 | |
4633a7c4 LW |
1353 | if (!(flags & G_NOARGS)) |
1354 | myop.op_flags = OPf_STACKED; | |
79072805 | 1355 | myop.op_next = Nullop; |
6e72f9df | 1356 | myop.op_type = OP_ENTEREVAL; |
54310121 | 1357 | myop.op_flags |= ((flags & G_VOID) ? OPf_WANT_VOID : |
1358 | (flags & G_ARRAY) ? OPf_WANT_LIST : | |
1359 | OPf_WANT_SCALAR); | |
6e72f9df | 1360 | if (flags & G_KEEPERR) |
1361 | myop.op_flags |= OPf_SPECIAL; | |
4633a7c4 | 1362 | |
22921e25 CS |
1363 | JMPENV_PUSH(ret); |
1364 | switch (ret) { | |
4633a7c4 LW |
1365 | case 0: |
1366 | break; | |
1367 | case 1: | |
f86702cc | 1368 | STATUS_ALL_FAILURE; |
4633a7c4 LW |
1369 | /* FALL THROUGH */ |
1370 | case 2: | |
1371 | /* my_exit() was called */ | |
1372 | curstash = defstash; | |
1373 | FREETMPS; | |
54310121 | 1374 | JMPENV_POP; |
4633a7c4 LW |
1375 | if (statusvalue) |
1376 | croak("Callback called exit"); | |
f86702cc | 1377 | my_exit_jump(); |
4633a7c4 LW |
1378 | /* NOTREACHED */ |
1379 | case 3: | |
1380 | if (restartop) { | |
1381 | op = restartop; | |
1382 | restartop = 0; | |
54310121 | 1383 | break; |
4633a7c4 LW |
1384 | } |
1385 | stack_sp = stack_base + oldmark; | |
1386 | if (flags & G_ARRAY) | |
1387 | retval = 0; | |
1388 | else { | |
1389 | retval = 1; | |
1390 | *++stack_sp = &sv_undef; | |
1391 | } | |
1392 | goto cleanup; | |
1393 | } | |
1394 | ||
1395 | if (op == (OP*)&myop) | |
11343788 | 1396 | op = pp_entereval(ARGS); |
4633a7c4 | 1397 | if (op) |
ab821d7f | 1398 | runops(); |
4633a7c4 | 1399 | retval = stack_sp - (stack_base + oldmark); |
6e72f9df | 1400 | if (!(flags & G_KEEPERR)) |
a863c7d1 | 1401 | sv_setpv(errsv,""); |
4633a7c4 LW |
1402 | |
1403 | cleanup: | |
54310121 | 1404 | JMPENV_POP; |
4633a7c4 LW |
1405 | if (flags & G_DISCARD) { |
1406 | stack_sp = stack_base + oldmark; | |
1407 | retval = 0; | |
1408 | FREETMPS; | |
1409 | LEAVE; | |
1410 | } | |
84902520 | 1411 | op = oldop; |
4633a7c4 LW |
1412 | return retval; |
1413 | } | |
1414 | ||
137443ea | 1415 | SV* |
1416 | perl_eval_pv(p, croak_on_error) | |
1417 | char* p; | |
1418 | I32 croak_on_error; | |
1419 | { | |
e858de61 | 1420 | dTHR; |
137443ea | 1421 | dSP; |
1422 | SV* sv = newSVpv(p, 0); | |
1423 | ||
1424 | PUSHMARK(sp); | |
1425 | perl_eval_sv(sv, G_SCALAR); | |
1426 | SvREFCNT_dec(sv); | |
1427 | ||
1428 | SPAGAIN; | |
1429 | sv = POPs; | |
1430 | PUTBACK; | |
1431 | ||
a863c7d1 MB |
1432 | if (croak_on_error && SvTRUE(errsv)) |
1433 | croak(SvPV(errsv, na)); | |
137443ea | 1434 | |
1435 | return sv; | |
1436 | } | |
1437 | ||
4633a7c4 LW |
1438 | /* Require a module. */ |
1439 | ||
1440 | void | |
1441 | perl_require_pv(pv) | |
1442 | char* pv; | |
1443 | { | |
1444 | SV* sv = sv_newmortal(); | |
1445 | sv_setpv(sv, "require '"); | |
1446 | sv_catpv(sv, pv); | |
1447 | sv_catpv(sv, "'"); | |
1448 | perl_eval_sv(sv, G_DISCARD); | |
79072805 LW |
1449 | } |
1450 | ||
79072805 | 1451 | void |
79072805 LW |
1452 | magicname(sym,name,namlen) |
1453 | char *sym; | |
1454 | char *name; | |
1455 | I32 namlen; | |
1456 | { | |
1457 | register GV *gv; | |
1458 | ||
85e6fe83 | 1459 | if (gv = gv_fetchpv(sym,TRUE, SVt_PV)) |
79072805 LW |
1460 | sv_magic(GvSV(gv), (SV*)gv, 0, name, namlen); |
1461 | } | |
1462 | ||
ab821d7f | 1463 | static void |
1a30305b | 1464 | usage(name) /* XXX move this out into a module ? */ |
4633a7c4 LW |
1465 | char *name; |
1466 | { | |
ab821d7f | 1467 | /* This message really ought to be max 23 lines. |
1468 | * Removed -h because the user already knows that opton. Others? */ | |
fb73857a | 1469 | |
1470 | static char *usage[] = { | |
1471 | "-0[octal] specify record separator (\\0, if no argument)", | |
1472 | "-a autosplit mode with -n or -p (splits $_ into @F)", | |
1473 | "-c check syntax only (runs BEGIN and END blocks)", | |
1474 | "-d[:debugger] run scripts under debugger", | |
1475 | "-D[number/list] set debugging flags (argument is a bit mask or flags)", | |
1476 | "-e 'command' one line of script. Several -e's allowed. Omit [programfile].", | |
1477 | "-F/pattern/ split() pattern for autosplit (-a). The //'s are optional.", | |
1478 | "-i[extension] edit <> files in place (make backup if extension supplied)", | |
1479 | "-Idirectory specify @INC/#include directory (may be used more than once)", | |
1480 | "-l[octal] enable line ending processing, specifies line terminator", | |
1481 | "-[mM][-]module.. executes `use/no module...' before executing your script.", | |
1482 | "-n assume 'while (<>) { ... }' loop around your script", | |
1483 | "-p assume loop like -n but print line also like sed", | |
1484 | "-P run script through C preprocessor before compilation", | |
1485 | "-s enable some switch parsing for switches after script name", | |
1486 | "-S look for the script using PATH environment variable", | |
1487 | "-T turn on tainting checks", | |
1488 | "-u dump core after parsing script", | |
1489 | "-U allow unsafe operations", | |
1490 | "-v print version number and patchlevel of perl", | |
1491 | "-V[:variable] print perl configuration information", | |
1492 | "-w TURN WARNINGS ON FOR COMPILATION OF YOUR SCRIPT. Recommended.", | |
1493 | "-x[directory] strip off text before #!perl line and perhaps cd to directory", | |
1494 | "\n", | |
1495 | NULL | |
1496 | }; | |
1497 | char **p = usage; | |
1498 | ||
ab821d7f | 1499 | printf("\nUsage: %s [switches] [--] [programfile] [arguments]", name); |
fb73857a | 1500 | while (*p) |
1501 | printf("\n %s", *p++); | |
4633a7c4 LW |
1502 | } |
1503 | ||
79072805 LW |
1504 | /* This routine handles any switches that can be given during run */ |
1505 | ||
1506 | char * | |
1507 | moreswitches(s) | |
1508 | char *s; | |
1509 | { | |
1510 | I32 numlen; | |
c07a80fd | 1511 | U32 rschar; |
79072805 LW |
1512 | |
1513 | switch (*s) { | |
1514 | case '0': | |
a863c7d1 MB |
1515 | { |
1516 | dTHR; | |
c07a80fd | 1517 | rschar = scan_oct(s, 4, &numlen); |
1518 | SvREFCNT_dec(nrs); | |
1519 | if (rschar & ~((U8)~0)) | |
1520 | nrs = &sv_undef; | |
1521 | else if (!rschar && numlen >= 2) | |
1522 | nrs = newSVpv("", 0); | |
1523 | else { | |
1524 | char ch = rschar; | |
1525 | nrs = newSVpv(&ch, 1); | |
79072805 LW |
1526 | } |
1527 | return s + numlen; | |
a863c7d1 | 1528 | } |
2304df62 AD |
1529 | case 'F': |
1530 | minus_F = TRUE; | |
a0d0e21e | 1531 | splitstr = savepv(s + 1); |
2304df62 AD |
1532 | s += strlen(s); |
1533 | return s; | |
79072805 LW |
1534 | case 'a': |
1535 | minus_a = TRUE; | |
1536 | s++; | |
1537 | return s; | |
1538 | case 'c': | |
1539 | minus_c = TRUE; | |
1540 | s++; | |
1541 | return s; | |
1542 | case 'd': | |
bbce6d69 | 1543 | forbid_setid("-d"); |
4633a7c4 | 1544 | s++; |
c07a80fd | 1545 | if (*s == ':' || *s == '=') { |
46fc3d4c | 1546 | my_setenv("PERL5DB", form("use Devel::%s;", ++s)); |
4633a7c4 | 1547 | s += strlen(s); |
4633a7c4 | 1548 | } |
a0d0e21e | 1549 | if (!perldb) { |
84902520 | 1550 | perldb = PERLDB_ALL; |
a0d0e21e LW |
1551 | init_debugger(); |
1552 | } | |
79072805 LW |
1553 | return s; |
1554 | case 'D': | |
1555 | #ifdef DEBUGGING | |
bbce6d69 | 1556 | forbid_setid("-D"); |
79072805 | 1557 | if (isALPHA(s[1])) { |
8990e307 | 1558 | static char debopts[] = "psltocPmfrxuLHXD"; |
79072805 LW |
1559 | char *d; |
1560 | ||
93a17b20 | 1561 | for (s++; *s && (d = strchr(debopts,*s)); s++) |
79072805 LW |
1562 | debug |= 1 << (d - debopts); |
1563 | } | |
1564 | else { | |
1565 | debug = atoi(s+1); | |
1566 | for (s++; isDIGIT(*s); s++) ; | |
1567 | } | |
8990e307 | 1568 | debug |= 0x80000000; |
79072805 LW |
1569 | #else |
1570 | warn("Recompile perl with -DDEBUGGING to use -D switch\n"); | |
a0d0e21e | 1571 | for (s++; isALNUM(*s); s++) ; |
79072805 LW |
1572 | #endif |
1573 | /*SUPPRESS 530*/ | |
1574 | return s; | |
4633a7c4 LW |
1575 | case 'h': |
1576 | usage(origargv[0]); | |
1577 | exit(0); | |
79072805 LW |
1578 | case 'i': |
1579 | if (inplace) | |
1580 | Safefree(inplace); | |
a0d0e21e | 1581 | inplace = savepv(s+1); |
79072805 LW |
1582 | /*SUPPRESS 530*/ |
1583 | for (s = inplace; *s && !isSPACE(*s); s++) ; | |
fb73857a | 1584 | if (*s) |
1585 | *s++ = '\0'; | |
1586 | return s; | |
1587 | case 'I': /* -I handled both here and in parse_perl() */ | |
bbce6d69 | 1588 | forbid_setid("-I"); |
fb73857a | 1589 | ++s; |
1590 | while (*s && isSPACE(*s)) | |
1591 | ++s; | |
1592 | if (*s) { | |
774d564b | 1593 | char *e, *p; |
748a9306 | 1594 | for (e = s; *e && !isSPACE(*e); e++) ; |
774d564b | 1595 | p = savepvn(s, e-s); |
1596 | incpush(p, TRUE); | |
1597 | Safefree(p); | |
fb73857a | 1598 | s = e; |
79072805 LW |
1599 | } |
1600 | else | |
463ee0b2 | 1601 | croak("No space allowed after -I"); |
fb73857a | 1602 | return s; |
79072805 LW |
1603 | case 'l': |
1604 | minus_l = TRUE; | |
1605 | s++; | |
a0d0e21e LW |
1606 | if (ors) |
1607 | Safefree(ors); | |
79072805 | 1608 | if (isDIGIT(*s)) { |
a0d0e21e | 1609 | ors = savepv("\n"); |
79072805 LW |
1610 | orslen = 1; |
1611 | *ors = scan_oct(s, 3 + (*s == '0'), &numlen); | |
1612 | s += numlen; | |
1613 | } | |
1614 | else { | |
a863c7d1 | 1615 | dTHR; |
c07a80fd | 1616 | if (RsPARA(nrs)) { |
6e72f9df | 1617 | ors = "\n\n"; |
c07a80fd | 1618 | orslen = 2; |
1619 | } | |
1620 | else | |
1621 | ors = SvPV(nrs, orslen); | |
6e72f9df | 1622 | ors = savepvn(ors, orslen); |
79072805 LW |
1623 | } |
1624 | return s; | |
1a30305b | 1625 | case 'M': |
bbce6d69 | 1626 | forbid_setid("-M"); /* XXX ? */ |
1a30305b | 1627 | /* FALL THROUGH */ |
1628 | case 'm': | |
bbce6d69 | 1629 | forbid_setid("-m"); /* XXX ? */ |
1a30305b | 1630 | if (*++s) { |
a5f75d66 | 1631 | char *start; |
11343788 | 1632 | SV *sv; |
a5f75d66 AD |
1633 | char *use = "use "; |
1634 | /* -M-foo == 'no foo' */ | |
1635 | if (*s == '-') { use = "no "; ++s; } | |
11343788 | 1636 | sv = newSVpv(use,0); |
a5f75d66 | 1637 | start = s; |
1a30305b | 1638 | /* We allow -M'Module qw(Foo Bar)' */ |
c07a80fd | 1639 | while(isALNUM(*s) || *s==':') ++s; |
1640 | if (*s != '=') { | |
11343788 | 1641 | sv_catpv(sv, start); |
c07a80fd | 1642 | if (*(start-1) == 'm') { |
1643 | if (*s != '\0') | |
1644 | croak("Can't use '%c' after -mname", *s); | |
11343788 | 1645 | sv_catpv( sv, " ()"); |
c07a80fd | 1646 | } |
1647 | } else { | |
11343788 MB |
1648 | sv_catpvn(sv, start, s-start); |
1649 | sv_catpv(sv, " split(/,/,q{"); | |
1650 | sv_catpv(sv, ++s); | |
1651 | sv_catpv(sv, "})"); | |
c07a80fd | 1652 | } |
1a30305b | 1653 | s += strlen(s); |
c07a80fd | 1654 | if (preambleav == NULL) |
1655 | preambleav = newAV(); | |
11343788 | 1656 | av_push(preambleav, sv); |
1a30305b | 1657 | } |
1658 | else | |
1659 | croak("No space allowed after -%c", *(s-1)); | |
1660 | return s; | |
79072805 LW |
1661 | case 'n': |
1662 | minus_n = TRUE; | |
1663 | s++; | |
1664 | return s; | |
1665 | case 'p': | |
1666 | minus_p = TRUE; | |
1667 | s++; | |
1668 | return s; | |
1669 | case 's': | |
bbce6d69 | 1670 | forbid_setid("-s"); |
79072805 LW |
1671 | doswitches = TRUE; |
1672 | s++; | |
1673 | return s; | |
463ee0b2 | 1674 | case 'T': |
f86702cc | 1675 | if (!tainting) |
9607fc9c | 1676 | croak("Too late for \"-T\" option"); |
463ee0b2 LW |
1677 | s++; |
1678 | return s; | |
79072805 LW |
1679 | case 'u': |
1680 | do_undump = TRUE; | |
1681 | s++; | |
1682 | return s; | |
1683 | case 'U': | |
1684 | unsafe = TRUE; | |
1685 | s++; | |
1686 | return s; | |
1687 | case 'v': | |
a5f75d66 | 1688 | #if defined(SUBVERSION) && SUBVERSION > 0 |
fb73857a | 1689 | printf("\nThis is perl, version 5.%03d_%02d built for %s", |
1690 | PATCHLEVEL, SUBVERSION, ARCHNAME); | |
a5f75d66 | 1691 | #else |
fb73857a | 1692 | printf("\nThis is perl, version %s built for %s", |
1693 | patchlevel, ARCHNAME); | |
1694 | #endif | |
1695 | #if defined(LOCAL_PATCH_COUNT) | |
1696 | if (LOCAL_PATCH_COUNT > 0) | |
1697 | printf("\n(with %d registered patch%s, see perl -V for more detail)", | |
1698 | LOCAL_PATCH_COUNT, (LOCAL_PATCH_COUNT!=1) ? "es" : ""); | |
a5f75d66 | 1699 | #endif |
1a30305b | 1700 | |
44a8e56a | 1701 | printf("\n\nCopyright 1987-1997, Larry Wall\n"); |
79072805 | 1702 | #ifdef MSDOS |
fb73857a | 1703 | printf("\nMS-DOS port Copyright (c) 1989, 1990, Diomidis Spinellis\n"); |
55497cff | 1704 | #endif |
1705 | #ifdef DJGPP | |
1706 | printf("djgpp v2 port (jpl5003c) by Hirofumi Watanabe, 1996\n"); | |
4633a7c4 | 1707 | #endif |
79072805 | 1708 | #ifdef OS2 |
5dd60ef7 | 1709 | printf("\n\nOS/2 port Copyright (c) 1990, 1991, Raymond Chen, Kai Uwe Rommel\n" |
9607fc9c | 1710 | "Version 5 port Copyright (c) 1994-1997, Andreas Kaiser, Ilya Zakharevich\n"); |
79072805 | 1711 | #endif |
79072805 | 1712 | #ifdef atarist |
760ac839 | 1713 | printf("atariST series port, ++jrb bammi@cadence.com\n"); |
79072805 | 1714 | #endif |
760ac839 | 1715 | printf("\n\ |
79072805 | 1716 | Perl may be copied only under the terms of either the Artistic License or the\n\ |
760ac839 | 1717 | GNU General Public License, which may be found in the Perl 5.0 source kit.\n\n"); |
79072805 LW |
1718 | exit(0); |
1719 | case 'w': | |
1720 | dowarn = TRUE; | |
1721 | s++; | |
1722 | return s; | |
a0d0e21e | 1723 | case '*': |
79072805 LW |
1724 | case ' ': |
1725 | if (s[1] == '-') /* Additional switches on #! line. */ | |
1726 | return s+2; | |
1727 | break; | |
a0d0e21e | 1728 | case '-': |
79072805 LW |
1729 | case 0: |
1730 | case '\n': | |
1731 | case '\t': | |
1732 | break; | |
aa689395 | 1733 | #ifdef ALTERNATE_SHEBANG |
1734 | case 'S': /* OS/2 needs -S on "extproc" line. */ | |
1735 | break; | |
1736 | #endif | |
a0d0e21e LW |
1737 | case 'P': |
1738 | if (preprocess) | |
1739 | return s+1; | |
1740 | /* FALL THROUGH */ | |
79072805 | 1741 | default: |
a0d0e21e | 1742 | croak("Can't emulate -%.1s on #! line",s); |
79072805 LW |
1743 | } |
1744 | return Nullch; | |
1745 | } | |
1746 | ||
1747 | /* compliments of Tom Christiansen */ | |
1748 | ||
1749 | /* unexec() can be found in the Gnu emacs distribution */ | |
1750 | ||
1751 | void | |
1752 | my_unexec() | |
1753 | { | |
1754 | #ifdef UNEXEC | |
46fc3d4c | 1755 | SV* prog; |
1756 | SV* file; | |
79072805 LW |
1757 | int status; |
1758 | extern int etext; | |
1759 | ||
46fc3d4c | 1760 | prog = newSVpv(BIN_EXP); |
1761 | sv_catpv(prog, "/perl"); | |
1762 | file = newSVpv(origfilename); | |
1763 | sv_catpv(file, ".perldump"); | |
79072805 | 1764 | |
46fc3d4c | 1765 | status = unexec(SvPVX(file), SvPVX(prog), &etext, sbrk(0), 0); |
79072805 | 1766 | if (status) |
46fc3d4c | 1767 | PerlIO_printf(PerlIO_stderr(), "unexec of %s into %s failed!\n", |
1768 | SvPVX(prog), SvPVX(file)); | |
a0d0e21e | 1769 | exit(status); |
79072805 | 1770 | #else |
a5f75d66 AD |
1771 | # ifdef VMS |
1772 | # include <lib$routines.h> | |
1773 | lib$signal(SS$_DEBUG); /* ssdef.h #included from vmsish.h */ | |
aa689395 | 1774 | # else |
79072805 | 1775 | ABORT(); /* for use with undump */ |
aa689395 | 1776 | # endif |
a5f75d66 | 1777 | #endif |
79072805 LW |
1778 | } |
1779 | ||
1780 | static void | |
1781 | init_main_stash() | |
1782 | { | |
11343788 | 1783 | dTHR; |
463ee0b2 | 1784 | GV *gv; |
6e72f9df | 1785 | |
1786 | /* Note that strtab is a rather special HV. Assumptions are made | |
1787 | about not iterating on it, and not adding tie magic to it. | |
1788 | It is properly deallocated in perl_destruct() */ | |
1789 | strtab = newHV(); | |
1790 | HvSHAREKEYS_off(strtab); /* mandatory */ | |
1791 | Newz(506,((XPVHV*)SvANY(strtab))->xhv_array, | |
1792 | sizeof(HE*) * (((XPVHV*)SvANY(strtab))->xhv_max + 1), char); | |
1793 | ||
463ee0b2 | 1794 | curstash = defstash = newHV(); |
79072805 | 1795 | curstname = newSVpv("main",4); |
adbc6bb1 LW |
1796 | gv = gv_fetchpv("main::",TRUE, SVt_PVHV); |
1797 | SvREFCNT_dec(GvHV(gv)); | |
1798 | GvHV(gv) = (HV*)SvREFCNT_inc(defstash); | |
463ee0b2 | 1799 | SvREADONLY_on(gv); |
a0d0e21e | 1800 | HvNAME(defstash) = savepv("main"); |
85e6fe83 | 1801 | incgv = gv_HVadd(gv_AVadd(gv_fetchpv("INC",TRUE, SVt_PVAV))); |
a5f75d66 | 1802 | GvMULTI_on(incgv); |
a0d0e21e | 1803 | defgv = gv_fetchpv("_",TRUE, SVt_PVAV); |
a863c7d1 MB |
1804 | errsv = newSVpv("", 0); |
1805 | errhv = newHV(); | |
84902520 | 1806 | (void)form("%240s",""); /* Preallocate temp - for immediate signals. */ |
a863c7d1 MB |
1807 | sv_grow(errsv, 240); /* Preallocate - for immediate signals. */ |
1808 | sv_setpvn(errsv, "", 0); | |
8990e307 LW |
1809 | curstash = defstash; |
1810 | compiling.cop_stash = defstash; | |
adbc6bb1 | 1811 | debstash = GvHV(gv_fetchpv("DB::", GV_ADDMULTI, SVt_PVHV)); |
4633a7c4 LW |
1812 | /* We must init $/ before switches are processed. */ |
1813 | sv_setpvn(GvSV(gv_fetchpv("/", TRUE, SVt_PV)), "\n", 1); | |
79072805 LW |
1814 | } |
1815 | ||
a0d0e21e LW |
1816 | #ifdef CAN_PROTOTYPE |
1817 | static void | |
1818 | open_script(char *scriptname, bool dosearch, SV *sv) | |
1819 | #else | |
79072805 LW |
1820 | static void |
1821 | open_script(scriptname,dosearch,sv) | |
1822 | char *scriptname; | |
1823 | bool dosearch; | |
1824 | SV *sv; | |
a0d0e21e | 1825 | #endif |
79072805 | 1826 | { |
0f15f207 | 1827 | dTHR; |
79072805 LW |
1828 | char *xfound = Nullch; |
1829 | char *xfailed = Nullch; | |
1830 | register char *s; | |
1831 | I32 len; | |
a38d6535 LW |
1832 | int retval; |
1833 | #if defined(DOSISH) && !defined(OS2) && !defined(atarist) | |
fc36a67e | 1834 | # define SEARCH_EXTS ".bat", ".cmd", NULL |
1835 | # define MAX_EXT_LEN 4 | |
a38d6535 | 1836 | #endif |
d8c2d278 IZ |
1837 | #ifdef OS2 |
1838 | # define SEARCH_EXTS ".cmd", ".btm", ".bat", ".pl", NULL | |
1839 | # define MAX_EXT_LEN 4 | |
1840 | #endif | |
ab821d7f | 1841 | #ifdef VMS |
1842 | # define SEARCH_EXTS ".pl", ".com", NULL | |
fc36a67e | 1843 | # define MAX_EXT_LEN 4 |
ab821d7f | 1844 | #endif |
a38d6535 LW |
1845 | /* additional extensions to try in each dir if scriptname not found */ |
1846 | #ifdef SEARCH_EXTS | |
1847 | char *ext[] = { SEARCH_EXTS }; | |
2a92aaa0 GS |
1848 | int extidx = 0, i = 0; |
1849 | char *curext = Nullch; | |
fc36a67e | 1850 | #else |
1851 | # define MAX_EXT_LEN 0 | |
a38d6535 | 1852 | #endif |
79072805 | 1853 | |
2a92aaa0 GS |
1854 | /* |
1855 | * If dosearch is true and if scriptname does not contain path | |
1856 | * delimiters, search the PATH for scriptname. | |
1857 | * | |
1858 | * If SEARCH_EXTS is also defined, will look for each | |
1859 | * scriptname{SEARCH_EXTS} whenever scriptname is not found | |
1860 | * while searching the PATH. | |
1861 | * | |
1862 | * Assuming SEARCH_EXTS is C<".foo",".bar",NULL>, PATH search | |
1863 | * proceeds as follows: | |
1864 | * If DOSISH: | |
1865 | * + look for ./scriptname{,.foo,.bar} | |
1866 | * + search the PATH for scriptname{,.foo,.bar} | |
1867 | * | |
1868 | * If !DOSISH: | |
1869 | * + look *only* in the PATH for scriptname{,.foo,.bar} (note | |
1870 | * this will not look in '.' if it's not in the PATH) | |
1871 | */ | |
1872 | ||
c07a80fd | 1873 | #ifdef VMS |
6e72f9df | 1874 | if (dosearch) { |
1875 | int hasdir, idx = 0, deftypes = 1; | |
1a2dec3c | 1876 | bool seen_dot = 1; |
6e72f9df | 1877 | |
1878 | hasdir = (strpbrk(scriptname,":[</") != Nullch) ; | |
1879 | /* The first time through, just add SEARCH_EXTS to whatever we | |
1880 | * already have, so we can check for default file types. */ | |
fc36a67e | 1881 | while (deftypes || |
1882 | (!hasdir && my_trnlnm("DCL$PATH",tokenbuf,idx++)) ) | |
1883 | { | |
1884 | if (deftypes) { | |
1885 | deftypes = 0; | |
1886 | *tokenbuf = '\0'; | |
1887 | } | |
1888 | if ((strlen(tokenbuf) + strlen(scriptname) | |
1889 | + MAX_EXT_LEN) >= sizeof tokenbuf) | |
1890 | continue; /* don't search dir with too-long name */ | |
1891 | strcat(tokenbuf, scriptname); | |
c07a80fd | 1892 | #else /* !VMS */ |
2a92aaa0 | 1893 | |
fc36a67e | 1894 | #ifdef DOSISH |
2a92aaa0 | 1895 | if (strEQ(scriptname, "-")) |
84902520 | 1896 | dosearch = 0; |
2a92aaa0 GS |
1897 | if (dosearch) { /* Look in '.' first. */ |
1898 | char *cur = scriptname; | |
1899 | #ifdef SEARCH_EXTS | |
1900 | if ((curext = strrchr(scriptname,'.'))) /* possible current ext */ | |
1901 | while (ext[i]) | |
1902 | if (strEQ(ext[i++],curext)) { | |
1903 | extidx = -1; /* already has an ext */ | |
1904 | break; | |
1905 | } | |
1906 | do { | |
79072805 | 1907 | #endif |
2a92aaa0 GS |
1908 | DEBUG_p(PerlIO_printf(Perl_debug_log, |
1909 | "Looking for %s\n",cur)); | |
1910 | if (Stat(cur,&statbuf) >= 0) { | |
1911 | dosearch = 0; | |
1912 | scriptname = cur; | |
84902520 | 1913 | #ifdef SEARCH_EXTS |
2a92aaa0 | 1914 | break; |
84902520 | 1915 | #endif |
2a92aaa0 GS |
1916 | } |
1917 | #ifdef SEARCH_EXTS | |
1918 | if (cur == scriptname) { | |
1919 | len = strlen(scriptname); | |
1920 | if (len+MAX_EXT_LEN+1 >= sizeof(tokenbuf)) | |
1921 | break; | |
1922 | cur = strcpy(tokenbuf, scriptname); | |
1923 | } | |
1924 | } while (extidx >= 0 && ext[extidx] /* try an extension? */ | |
1925 | && strcpy(tokenbuf+len, ext[extidx++])); | |
1926 | #endif | |
1927 | } | |
1928 | #endif | |
84902520 | 1929 | |
e92c4225 WJ |
1930 | if (dosearch && !strchr(scriptname, '/') |
1931 | #ifdef DOSISH | |
1932 | && !strchr(scriptname, '\\') | |
1933 | #endif | |
1934 | && (s = getenv("PATH"))) { | |
2a92aaa0 | 1935 | bool seen_dot = 0; |
84902520 | 1936 | |
79072805 | 1937 | bufend = s + strlen(s); |
fc36a67e | 1938 | while (s < bufend) { |
2a92aaa0 GS |
1939 | #if defined(atarist) || defined(DOSISH) |
1940 | for (len = 0; *s | |
1941 | # ifdef atarist | |
1942 | && *s != ',' | |
1943 | # endif | |
1944 | && *s != ';'; len++, s++) { | |
fc36a67e | 1945 | if (len < sizeof tokenbuf) |
1946 | tokenbuf[len] = *s; | |
1947 | } | |
1948 | if (len < sizeof tokenbuf) | |
1949 | tokenbuf[len] = '\0'; | |
84902520 TB |
1950 | #else /* ! (atarist || DOSISH) */ |
1951 | s = delimcpy(tokenbuf, tokenbuf + sizeof tokenbuf, s, bufend, | |
1952 | ':', | |
1953 | &len); | |
1954 | #endif /* ! (atarist || DOSISH) */ | |
fc36a67e | 1955 | if (s < bufend) |
79072805 | 1956 | s++; |
fc36a67e | 1957 | if (len + 1 + strlen(scriptname) + MAX_EXT_LEN >= sizeof tokenbuf) |
1958 | continue; /* don't search dir with too-long name */ | |
1959 | if (len | |
fc36a67e | 1960 | #if defined(atarist) || defined(DOSISH) |
2a92aaa0 | 1961 | && tokenbuf[len - 1] != '/' |
fc36a67e | 1962 | && tokenbuf[len - 1] != '\\' |
79072805 | 1963 | #endif |
fc36a67e | 1964 | ) |
1965 | tokenbuf[len++] = '/'; | |
84902520 | 1966 | if (len == 2 && tokenbuf[0] == '.') |
2a92aaa0 | 1967 | seen_dot = 1; |
fc36a67e | 1968 | (void)strcpy(tokenbuf + len, scriptname); |
c07a80fd | 1969 | #endif /* !VMS */ |
a38d6535 LW |
1970 | |
1971 | #ifdef SEARCH_EXTS | |
1972 | len = strlen(tokenbuf); | |
1973 | if (extidx > 0) /* reset after previous loop */ | |
1974 | extidx = 0; | |
1975 | do { | |
1976 | #endif | |
760ac839 | 1977 | DEBUG_p(PerlIO_printf(Perl_debug_log, "Looking for %s\n",tokenbuf)); |
a38d6535 LW |
1978 | retval = Stat(tokenbuf,&statbuf); |
1979 | #ifdef SEARCH_EXTS | |
1980 | } while ( retval < 0 /* not there */ | |
1981 | && extidx>=0 && ext[extidx] /* try an extension? */ | |
1982 | && strcpy(tokenbuf+len, ext[extidx++]) | |
1983 | ); | |
1984 | #endif | |
1985 | if (retval < 0) | |
79072805 LW |
1986 | continue; |
1987 | if (S_ISREG(statbuf.st_mode) | |
c90c0ff4 | 1988 | && cando(S_IRUSR,TRUE,&statbuf) |
1989 | #ifndef DOSISH | |
1990 | && cando(S_IXUSR,TRUE,&statbuf) | |
1991 | #endif | |
1992 | ) | |
1993 | { | |
79072805 LW |
1994 | xfound = tokenbuf; /* bingo! */ |
1995 | break; | |
1996 | } | |
1997 | if (!xfailed) | |
a0d0e21e | 1998 | xfailed = savepv(tokenbuf); |
79072805 | 1999 | } |
2a92aaa0 GS |
2000 | #ifndef DOSISH |
2001 | if (!xfound && !seen_dot && !xfailed && (Stat(scriptname,&statbuf) < 0)) | |
84902520 TB |
2002 | #endif |
2003 | seen_dot = 1; /* Disable message. */ | |
79072805 | 2004 | if (!xfound) |
84902520 | 2005 | croak("Can't %s %s%s%s", |
2a92aaa0 GS |
2006 | (xfailed ? "execute" : "find"), |
2007 | (xfailed ? xfailed : scriptname), | |
2008 | (xfailed ? "" : " on PATH"), | |
2009 | (xfailed || seen_dot) ? "" : ", '.' not in PATH"); | |
79072805 LW |
2010 | if (xfailed) |
2011 | Safefree(xfailed); | |
2012 | scriptname = xfound; | |
2013 | } | |
2014 | ||
96436eeb | 2015 | if (strnEQ(scriptname, "/dev/fd/", 8) && isDIGIT(scriptname[8]) ) { |
2016 | char *s = scriptname + 8; | |
2017 | fdscript = atoi(s); | |
2018 | while (isDIGIT(*s)) | |
2019 | s++; | |
2020 | if (*s) | |
2021 | scriptname = s + 1; | |
2022 | } | |
2023 | else | |
2024 | fdscript = -1; | |
ab821d7f | 2025 | origfilename = savepv(e_tmpname ? "-e" : scriptname); |
79072805 LW |
2026 | curcop->cop_filegv = gv_fetchfile(origfilename); |
2027 | if (strEQ(origfilename,"-")) | |
2028 | scriptname = ""; | |
96436eeb | 2029 | if (fdscript >= 0) { |
760ac839 | 2030 | rsfp = PerlIO_fdopen(fdscript,"r"); |
96436eeb | 2031 | #if defined(HAS_FCNTL) && defined(F_SETFD) |
7aa04957 CS |
2032 | if (rsfp) |
2033 | fcntl(PerlIO_fileno(rsfp),F_SETFD,1); /* ensure close-on-exec */ | |
96436eeb | 2034 | #endif |
2035 | } | |
2036 | else if (preprocess) { | |
46fc3d4c | 2037 | char *cpp_cfg = CPPSTDIN; |
2038 | SV *cpp = NEWSV(0,0); | |
2039 | SV *cmd = NEWSV(0,0); | |
2040 | ||
2041 | if (strEQ(cpp_cfg, "cppstdin")) | |
2042 | sv_catpvf(cpp, "%s/", BIN_EXP); | |
2043 | sv_catpv(cpp, cpp_cfg); | |
79072805 | 2044 | |
79072805 | 2045 | sv_catpv(sv,"-I"); |
fed7345c | 2046 | sv_catpv(sv,PRIVLIB_EXP); |
46fc3d4c | 2047 | |
79072805 | 2048 | #ifdef MSDOS |
46fc3d4c | 2049 | sv_setpvf(cmd, "\ |
79072805 LW |
2050 | sed %s -e \"/^[^#]/b\" \ |
2051 | -e \"/^#[ ]*include[ ]/b\" \ | |
2052 | -e \"/^#[ ]*define[ ]/b\" \ | |
2053 | -e \"/^#[ ]*if[ ]/b\" \ | |
2054 | -e \"/^#[ ]*ifdef[ ]/b\" \ | |
2055 | -e \"/^#[ ]*ifndef[ ]/b\" \ | |
2056 | -e \"/^#[ ]*else/b\" \ | |
2057 | -e \"/^#[ ]*elif[ ]/b\" \ | |
2058 | -e \"/^#[ ]*undef[ ]/b\" \ | |
2059 | -e \"/^#[ ]*endif/b\" \ | |
2060 | -e \"s/^#.*//\" \ | |
fc36a67e | 2061 | %s | %_ -C %_ %s", |
79072805 LW |
2062 | (doextract ? "-e \"1,/^#/d\n\"" : ""), |
2063 | #else | |
46fc3d4c | 2064 | sv_setpvf(cmd, "\ |
79072805 LW |
2065 | %s %s -e '/^[^#]/b' \ |
2066 | -e '/^#[ ]*include[ ]/b' \ | |
2067 | -e '/^#[ ]*define[ ]/b' \ | |
2068 | -e '/^#[ ]*if[ ]/b' \ | |
2069 | -e '/^#[ ]*ifdef[ ]/b' \ | |
2070 | -e '/^#[ ]*ifndef[ ]/b' \ | |
2071 | -e '/^#[ ]*else/b' \ | |
2072 | -e '/^#[ ]*elif[ ]/b' \ | |
2073 | -e '/^#[ ]*undef[ ]/b' \ | |
2074 | -e '/^#[ ]*endif/b' \ | |
2075 | -e 's/^[ ]*#.*//' \ | |
fc36a67e | 2076 | %s | %_ -C %_ %s", |
79072805 LW |
2077 | #ifdef LOC_SED |
2078 | LOC_SED, | |
2079 | #else | |
2080 | "sed", | |
2081 | #endif | |
2082 | (doextract ? "-e '1,/^#/d\n'" : ""), | |
2083 | #endif | |
46fc3d4c | 2084 | scriptname, cpp, sv, CPPMINUS); |
79072805 LW |
2085 | doextract = FALSE; |
2086 | #ifdef IAMSUID /* actually, this is caught earlier */ | |
2087 | if (euid != uid && !euid) { /* if running suidperl */ | |
2088 | #ifdef HAS_SETEUID | |
2089 | (void)seteuid(uid); /* musn't stay setuid root */ | |
2090 | #else | |
2091 | #ifdef HAS_SETREUID | |
85e6fe83 LW |
2092 | (void)setreuid((Uid_t)-1, uid); |
2093 | #else | |
2094 | #ifdef HAS_SETRESUID | |
2095 | (void)setresuid((Uid_t)-1, uid, (Uid_t)-1); | |
79072805 LW |
2096 | #else |
2097 | setuid(uid); | |
2098 | #endif | |
2099 | #endif | |
85e6fe83 | 2100 | #endif |
79072805 | 2101 | if (geteuid() != uid) |
463ee0b2 | 2102 | croak("Can't do seteuid!\n"); |
79072805 LW |
2103 | } |
2104 | #endif /* IAMSUID */ | |
46fc3d4c | 2105 | rsfp = my_popen(SvPVX(cmd), "r"); |
2106 | SvREFCNT_dec(cmd); | |
2107 | SvREFCNT_dec(cpp); | |
79072805 LW |
2108 | } |
2109 | else if (!*scriptname) { | |
bbce6d69 | 2110 | forbid_setid("program input from stdin"); |
760ac839 | 2111 | rsfp = PerlIO_stdin(); |
79072805 | 2112 | } |
96436eeb | 2113 | else { |
760ac839 | 2114 | rsfp = PerlIO_open(scriptname,"r"); |
96436eeb | 2115 | #if defined(HAS_FCNTL) && defined(F_SETFD) |
7aa04957 CS |
2116 | if (rsfp) |
2117 | fcntl(PerlIO_fileno(rsfp),F_SETFD,1); /* ensure close-on-exec */ | |
96436eeb | 2118 | #endif |
2119 | } | |
5dd60ef7 | 2120 | if (e_tmpname) { |
2121 | e_fp = rsfp; | |
2122 | } | |
7aa04957 | 2123 | if (!rsfp) { |
13281fa4 | 2124 | #ifdef DOSUID |
a687059c | 2125 | #ifndef IAMSUID /* in case script is not readable before setuid */ |
a0d0e21e | 2126 | if (euid && Stat(SvPVX(GvSV(curcop->cop_filegv)),&statbuf) >= 0 && |
13281fa4 | 2127 | statbuf.st_mode & (S_ISUID|S_ISGID)) { |
46fc3d4c | 2128 | /* try again */ |
2129 | execv(form("%s/sperl%s", BIN_EXP, patchlevel), origargv); | |
463ee0b2 | 2130 | croak("Can't do setuid\n"); |
13281fa4 LW |
2131 | } |
2132 | #endif | |
2133 | #endif | |
463ee0b2 | 2134 | croak("Can't open perl script \"%s\": %s\n", |
2304df62 | 2135 | SvPVX(GvSV(curcop->cop_filegv)), Strerror(errno)); |
13281fa4 | 2136 | } |
79072805 | 2137 | } |
8d063cd8 | 2138 | |
79072805 | 2139 | static void |
96436eeb | 2140 | validate_suid(validarg, scriptname) |
79072805 | 2141 | char *validarg; |
96436eeb | 2142 | char *scriptname; |
79072805 | 2143 | { |
96436eeb | 2144 | int which; |
2145 | ||
13281fa4 LW |
2146 | /* do we need to emulate setuid on scripts? */ |
2147 | ||
2148 | /* This code is for those BSD systems that have setuid #! scripts disabled | |
2149 | * in the kernel because of a security problem. Merely defining DOSUID | |
2150 | * in perl will not fix that problem, but if you have disabled setuid | |
2151 | * scripts in the kernel, this will attempt to emulate setuid and setgid | |
2152 | * on scripts that have those now-otherwise-useless bits set. The setuid | |
27e2fb84 LW |
2153 | * root version must be called suidperl or sperlN.NNN. If regular perl |
2154 | * discovers that it has opened a setuid script, it calls suidperl with | |
2155 | * the same argv that it had. If suidperl finds that the script it has | |
2156 | * just opened is NOT setuid root, it sets the effective uid back to the | |
2157 | * uid. We don't just make perl setuid root because that loses the | |
2158 | * effective uid we had before invoking perl, if it was different from the | |
2159 | * uid. | |
13281fa4 LW |
2160 | * |
2161 | * DOSUID must be defined in both perl and suidperl, and IAMSUID must | |
2162 | * be defined in suidperl only. suidperl must be setuid root. The | |
2163 | * Configure script will set this up for you if you want it. | |
2164 | */ | |
a687059c | 2165 | |
13281fa4 | 2166 | #ifdef DOSUID |
ea0efc06 | 2167 | dTHR; |
6e72f9df | 2168 | char *s, *s2; |
a0d0e21e | 2169 | |
760ac839 | 2170 | if (Fstat(PerlIO_fileno(rsfp),&statbuf) < 0) /* normal stat is insecure */ |
463ee0b2 | 2171 | croak("Can't stat script \"%s\"",origfilename); |
96436eeb | 2172 | if (fdscript < 0 && statbuf.st_mode & (S_ISUID|S_ISGID)) { |
79072805 | 2173 | I32 len; |
13281fa4 | 2174 | |
a687059c | 2175 | #ifdef IAMSUID |
fe14fcc3 | 2176 | #ifndef HAS_SETREUID |
a687059c LW |
2177 | /* On this access check to make sure the directories are readable, |
2178 | * there is actually a small window that the user could use to make | |
2179 | * filename point to an accessible directory. So there is a faint | |
2180 | * chance that someone could execute a setuid script down in a | |
2181 | * non-accessible directory. I don't know what to do about that. | |
2182 | * But I don't think it's too important. The manual lies when | |
2183 | * it says access() is useful in setuid programs. | |
2184 | */ | |
463ee0b2 LW |
2185 | if (access(SvPVX(GvSV(curcop->cop_filegv)),1)) /*double check*/ |
2186 | croak("Permission denied"); | |
a687059c LW |
2187 | #else |
2188 | /* If we can swap euid and uid, then we can determine access rights | |
2189 | * with a simple stat of the file, and then compare device and | |
2190 | * inode to make sure we did stat() on the same file we opened. | |
2191 | * Then we just have to make sure he or she can execute it. | |
2192 | */ | |
2193 | { | |
2194 | struct stat tmpstatbuf; | |
2195 | ||
85e6fe83 LW |
2196 | if ( |
2197 | #ifdef HAS_SETREUID | |
2198 | setreuid(euid,uid) < 0 | |
a0d0e21e LW |
2199 | #else |
2200 | # if HAS_SETRESUID | |
85e6fe83 | 2201 | setresuid(euid,uid,(Uid_t)-1) < 0 |
a0d0e21e | 2202 | # endif |
85e6fe83 LW |
2203 | #endif |
2204 | || getuid() != euid || geteuid() != uid) | |
463ee0b2 | 2205 | croak("Can't swap uid and euid"); /* really paranoid */ |
a0d0e21e | 2206 | if (Stat(SvPVX(GvSV(curcop->cop_filegv)),&tmpstatbuf) < 0) |
463ee0b2 | 2207 | croak("Permission denied"); /* testing full pathname here */ |
a687059c LW |
2208 | if (tmpstatbuf.st_dev != statbuf.st_dev || |
2209 | tmpstatbuf.st_ino != statbuf.st_ino) { | |
760ac839 | 2210 | (void)PerlIO_close(rsfp); |
79072805 | 2211 | if (rsfp = my_popen("/bin/mail root","w")) { /* heh, heh */ |
760ac839 | 2212 | PerlIO_printf(rsfp, |
ff0cee69 | 2213 | "User %ld tried to run dev %ld ino %ld in place of dev %ld ino %ld!\n\ |
2214 | (Filename of set-id script was %s, uid %ld gid %ld.)\n\nSincerely,\nperl\n", | |
2215 | (long)uid,(long)tmpstatbuf.st_dev, (long)tmpstatbuf.st_ino, | |
2216 | (long)statbuf.st_dev, (long)statbuf.st_ino, | |
463ee0b2 | 2217 | SvPVX(GvSV(curcop->cop_filegv)), |
ff0cee69 | 2218 | (long)statbuf.st_uid, (long)statbuf.st_gid); |
79072805 | 2219 | (void)my_pclose(rsfp); |
a687059c | 2220 | } |
463ee0b2 | 2221 | croak("Permission denied\n"); |
a687059c | 2222 | } |
85e6fe83 LW |
2223 | if ( |
2224 | #ifdef HAS_SETREUID | |
2225 | setreuid(uid,euid) < 0 | |
a0d0e21e LW |
2226 | #else |
2227 | # if defined(HAS_SETRESUID) | |
85e6fe83 | 2228 | setresuid(uid,euid,(Uid_t)-1) < 0 |
a0d0e21e | 2229 | # endif |
85e6fe83 LW |
2230 | #endif |
2231 | || getuid() != uid || geteuid() != euid) | |
463ee0b2 | 2232 | croak("Can't reswap uid and euid"); |
27e2fb84 | 2233 | if (!cando(S_IXUSR,FALSE,&statbuf)) /* can real uid exec? */ |
463ee0b2 | 2234 | croak("Permission denied\n"); |
a687059c | 2235 | } |
fe14fcc3 | 2236 | #endif /* HAS_SETREUID */ |
a687059c LW |
2237 | #endif /* IAMSUID */ |
2238 | ||
27e2fb84 | 2239 | if (!S_ISREG(statbuf.st_mode)) |
463ee0b2 | 2240 | croak("Permission denied"); |
27e2fb84 | 2241 | if (statbuf.st_mode & S_IWOTH) |
463ee0b2 | 2242 | croak("Setuid/gid script is writable by world"); |
13281fa4 | 2243 | doswitches = FALSE; /* -s is insecure in suid */ |
79072805 | 2244 | curcop->cop_line++; |
760ac839 LW |
2245 | if (sv_gets(linestr, rsfp, 0) == Nullch || |
2246 | strnNE(SvPV(linestr,na),"#!",2) ) /* required even on Sys V */ | |
463ee0b2 | 2247 | croak("No #! line"); |
760ac839 | 2248 | s = SvPV(linestr,na)+2; |
663a0e37 | 2249 | if (*s == ' ') s++; |
45d8adaa | 2250 | while (!isSPACE(*s)) s++; |
760ac839 | 2251 | for (s2 = s; (s2 > SvPV(linestr,na)+2 && |
6e72f9df | 2252 | (isDIGIT(s2[-1]) || strchr("._-", s2[-1]))); s2--) ; |
2253 | if (strnNE(s2-4,"perl",4) && strnNE(s-9,"perl",4)) /* sanity check */ | |
463ee0b2 | 2254 | croak("Not a perl script"); |
a687059c | 2255 | while (*s == ' ' || *s == '\t') s++; |
13281fa4 LW |
2256 | /* |
2257 | * #! arg must be what we saw above. They can invoke it by | |
2258 | * mentioning suidperl explicitly, but they may not add any strange | |
2259 | * arguments beyond what #! says if they do invoke suidperl that way. | |
2260 | */ | |
2261 | len = strlen(validarg); | |
2262 | if (strEQ(validarg," PHOOEY ") || | |
45d8adaa | 2263 | strnNE(s,validarg,len) || !isSPACE(s[len])) |
463ee0b2 | 2264 | croak("Args must match #! line"); |
a687059c LW |
2265 | |
2266 | #ifndef IAMSUID | |
2267 | if (euid != uid && (statbuf.st_mode & S_ISUID) && | |
2268 | euid == statbuf.st_uid) | |
2269 | if (!do_undump) | |
463ee0b2 | 2270 | croak("YOU HAVEN'T DISABLED SET-ID SCRIPTS IN THE KERNEL YET!\n\ |
a687059c LW |
2271 | FIX YOUR KERNEL, PUT A C WRAPPER AROUND THIS SCRIPT, OR USE -u AND UNDUMP!\n"); |
2272 | #endif /* IAMSUID */ | |
13281fa4 LW |
2273 | |
2274 | if (euid) { /* oops, we're not the setuid root perl */ | |
760ac839 | 2275 | (void)PerlIO_close(rsfp); |
13281fa4 | 2276 | #ifndef IAMSUID |
46fc3d4c | 2277 | /* try again */ |
2278 | execv(form("%s/sperl%s", BIN_EXP, patchlevel), origargv); | |
13281fa4 | 2279 | #endif |
463ee0b2 | 2280 | croak("Can't do setuid\n"); |
13281fa4 LW |
2281 | } |
2282 | ||
83025b21 | 2283 | if (statbuf.st_mode & S_ISGID && statbuf.st_gid != egid) { |
fe14fcc3 | 2284 | #ifdef HAS_SETEGID |
a687059c LW |
2285 | (void)setegid(statbuf.st_gid); |
2286 | #else | |
fe14fcc3 | 2287 | #ifdef HAS_SETREGID |
85e6fe83 LW |
2288 | (void)setregid((Gid_t)-1,statbuf.st_gid); |
2289 | #else | |
2290 | #ifdef HAS_SETRESGID | |
2291 | (void)setresgid((Gid_t)-1,statbuf.st_gid,(Gid_t)-1); | |
a687059c LW |
2292 | #else |
2293 | setgid(statbuf.st_gid); | |
2294 | #endif | |
2295 | #endif | |
85e6fe83 | 2296 | #endif |
83025b21 | 2297 | if (getegid() != statbuf.st_gid) |
463ee0b2 | 2298 | croak("Can't do setegid!\n"); |
83025b21 | 2299 | } |
a687059c LW |
2300 | if (statbuf.st_mode & S_ISUID) { |
2301 | if (statbuf.st_uid != euid) | |
fe14fcc3 | 2302 | #ifdef HAS_SETEUID |
a687059c LW |
2303 | (void)seteuid(statbuf.st_uid); /* all that for this */ |
2304 | #else | |
fe14fcc3 | 2305 | #ifdef HAS_SETREUID |
85e6fe83 LW |
2306 | (void)setreuid((Uid_t)-1,statbuf.st_uid); |
2307 | #else | |
2308 | #ifdef HAS_SETRESUID | |
2309 | (void)setresuid((Uid_t)-1,statbuf.st_uid,(Uid_t)-1); | |
a687059c LW |
2310 | #else |
2311 | setuid(statbuf.st_uid); | |
2312 | #endif | |
2313 | #endif | |
85e6fe83 | 2314 | #endif |
83025b21 | 2315 | if (geteuid() != statbuf.st_uid) |
463ee0b2 | 2316 | croak("Can't do seteuid!\n"); |
a687059c | 2317 | } |
83025b21 | 2318 | else if (uid) { /* oops, mustn't run as root */ |
fe14fcc3 | 2319 | #ifdef HAS_SETEUID |
85e6fe83 | 2320 | (void)seteuid((Uid_t)uid); |
a687059c | 2321 | #else |
fe14fcc3 | 2322 | #ifdef HAS_SETREUID |
85e6fe83 | 2323 | (void)setreuid((Uid_t)-1,(Uid_t)uid); |
a687059c | 2324 | #else |
85e6fe83 LW |
2325 | #ifdef HAS_SETRESUID |
2326 | (void)setresuid((Uid_t)-1,(Uid_t)uid,(Uid_t)-1); | |
2327 | #else | |
2328 | setuid((Uid_t)uid); | |
2329 | #endif | |
a687059c LW |
2330 | #endif |
2331 | #endif | |
83025b21 | 2332 | if (geteuid() != uid) |
463ee0b2 | 2333 | croak("Can't do seteuid!\n"); |
83025b21 | 2334 | } |
748a9306 | 2335 | init_ids(); |
27e2fb84 | 2336 | if (!cando(S_IXUSR,TRUE,&statbuf)) |
463ee0b2 | 2337 | croak("Permission denied\n"); /* they can't do this */ |
13281fa4 LW |
2338 | } |
2339 | #ifdef IAMSUID | |
2340 | else if (preprocess) | |
463ee0b2 | 2341 | croak("-P not allowed for setuid/setgid script\n"); |
96436eeb | 2342 | else if (fdscript >= 0) |
2343 | croak("fd script not allowed in suidperl\n"); | |
13281fa4 | 2344 | else |
463ee0b2 | 2345 | croak("Script is not setuid/setgid in suidperl\n"); |
96436eeb | 2346 | |
2347 | /* We absolutely must clear out any saved ids here, so we */ | |
2348 | /* exec the real perl, substituting fd script for scriptname. */ | |
2349 | /* (We pass script name as "subdir" of fd, which perl will grok.) */ | |
760ac839 LW |
2350 | PerlIO_rewind(rsfp); |
2351 | lseek(PerlIO_fileno(rsfp),(Off_t)0,0); /* just in case rewind didn't */ | |
96436eeb | 2352 | for (which = 1; origargv[which] && origargv[which] != scriptname; which++) ; |
2353 | if (!origargv[which]) | |
2354 | croak("Permission denied"); | |
46fc3d4c | 2355 | origargv[which] = savepv(form("/dev/fd/%d/%s", |
2356 | PerlIO_fileno(rsfp), origargv[which])); | |
96436eeb | 2357 | #if defined(HAS_FCNTL) && defined(F_SETFD) |
760ac839 | 2358 | fcntl(PerlIO_fileno(rsfp),F_SETFD,0); /* ensure no close-on-exec */ |
96436eeb | 2359 | #endif |
46fc3d4c | 2360 | execv(form("%s/perl%s", BIN_EXP, patchlevel), origargv); /* try again */ |
96436eeb | 2361 | croak("Can't do setuid\n"); |
13281fa4 | 2362 | #endif /* IAMSUID */ |
a687059c | 2363 | #else /* !DOSUID */ |
a687059c LW |
2364 | if (euid != uid || egid != gid) { /* (suidperl doesn't exist, in fact) */ |
2365 | #ifndef SETUID_SCRIPTS_ARE_SECURE_NOW | |
96827780 | 2366 | dTHR; |
760ac839 | 2367 | Fstat(PerlIO_fileno(rsfp),&statbuf); /* may be either wrapped or real suid */ |
a687059c LW |
2368 | if ((euid != uid && euid == statbuf.st_uid && statbuf.st_mode & S_ISUID) |
2369 | || | |
2370 | (egid != gid && egid == statbuf.st_gid && statbuf.st_mode & S_ISGID) | |
2371 | ) | |
2372 | if (!do_undump) | |
463ee0b2 | 2373 | croak("YOU HAVEN'T DISABLED SET-ID SCRIPTS IN THE KERNEL YET!\n\ |
a687059c LW |
2374 | FIX YOUR KERNEL, PUT A C WRAPPER AROUND THIS SCRIPT, OR USE -u AND UNDUMP!\n"); |
2375 | #endif /* SETUID_SCRIPTS_ARE_SECURE_NOW */ | |
2376 | /* not set-id, must be wrapped */ | |
a687059c | 2377 | } |
13281fa4 | 2378 | #endif /* DOSUID */ |
79072805 | 2379 | } |
13281fa4 | 2380 | |
79072805 LW |
2381 | static void |
2382 | find_beginning() | |
2383 | { | |
6e72f9df | 2384 | register char *s, *s2; |
33b78306 LW |
2385 | |
2386 | /* skip forward in input to the real script? */ | |
2387 | ||
bbce6d69 | 2388 | forbid_setid("-x"); |
33b78306 | 2389 | while (doextract) { |
79072805 | 2390 | if ((s = sv_gets(linestr, rsfp, 0)) == Nullch) |
463ee0b2 | 2391 | croak("No Perl script found in input\n"); |
6e72f9df | 2392 | if (*s == '#' && s[1] == '!' && (s = instr(s,"perl"))) { |
760ac839 | 2393 | PerlIO_ungetc(rsfp, '\n'); /* to keep line count right */ |
33b78306 | 2394 | doextract = FALSE; |
6e72f9df | 2395 | while (*s && !(isSPACE (*s) || *s == '#')) s++; |
2396 | s2 = s; | |
2397 | while (*s == ' ' || *s == '\t') s++; | |
2398 | if (*s++ == '-') { | |
2399 | while (isDIGIT(s2[-1]) || strchr("-._", s2[-1])) s2--; | |
2400 | if (strnEQ(s2-4,"perl",4)) | |
2401 | /*SUPPRESS 530*/ | |
2402 | while (s = moreswitches(s)) ; | |
33b78306 | 2403 | } |
79072805 | 2404 | if (cddir && chdir(cddir) < 0) |
463ee0b2 | 2405 | croak("Can't chdir to %s",cddir); |
83025b21 LW |
2406 | } |
2407 | } | |
2408 | } | |
2409 | ||
79072805 | 2410 | static void |
748a9306 | 2411 | init_ids() |
352d5a3a | 2412 | { |
748a9306 LW |
2413 | uid = (int)getuid(); |
2414 | euid = (int)geteuid(); | |
2415 | gid = (int)getgid(); | |
2416 | egid = (int)getegid(); | |
2417 | #ifdef VMS | |
2418 | uid |= gid << 16; | |
2419 | euid |= egid << 16; | |
2420 | #endif | |
4633a7c4 | 2421 | tainting |= (uid && (euid != uid || egid != gid)); |
748a9306 | 2422 | } |
79072805 | 2423 | |
748a9306 | 2424 | static void |
bbce6d69 | 2425 | forbid_setid(s) |
2426 | char *s; | |
2427 | { | |
2428 | if (euid != uid) | |
2429 | croak("No %s allowed while running setuid", s); | |
2430 | if (egid != gid) | |
2431 | croak("No %s allowed while running setgid", s); | |
2432 | } | |
2433 | ||
2434 | static void | |
748a9306 LW |
2435 | init_debugger() |
2436 | { | |
11343788 | 2437 | dTHR; |
79072805 | 2438 | curstash = debstash; |
748a9306 | 2439 | dbargs = GvAV(gv_AVadd((gv_fetchpv("args", GV_ADDMULTI, SVt_PVAV)))); |
79072805 | 2440 | AvREAL_off(dbargs); |
a0d0e21e LW |
2441 | DBgv = gv_fetchpv("DB", GV_ADDMULTI, SVt_PVGV); |
2442 | DBline = gv_fetchpv("dbline", GV_ADDMULTI, SVt_PVAV); | |
748a9306 LW |
2443 | DBsub = gv_HVadd(gv_fetchpv("sub", GV_ADDMULTI, SVt_PVHV)); |
2444 | DBsingle = GvSV((gv_fetchpv("single", GV_ADDMULTI, SVt_PV))); | |
c07a80fd | 2445 | sv_setiv(DBsingle, 0); |
748a9306 | 2446 | DBtrace = GvSV((gv_fetchpv("trace", GV_ADDMULTI, SVt_PV))); |
c07a80fd | 2447 | sv_setiv(DBtrace, 0); |
748a9306 | 2448 | DBsignal = GvSV((gv_fetchpv("signal", GV_ADDMULTI, SVt_PV))); |
c07a80fd | 2449 | sv_setiv(DBsignal, 0); |
79072805 | 2450 | curstash = defstash; |
352d5a3a LW |
2451 | } |
2452 | ||
11343788 MB |
2453 | void |
2454 | init_stacks(ARGS) | |
2455 | dARGS | |
79072805 | 2456 | { |
6e72f9df | 2457 | curstack = newAV(); |
5f05dabc | 2458 | mainstack = curstack; /* remember in case we switch stacks */ |
2459 | AvREAL_off(curstack); /* not a real array */ | |
6e72f9df | 2460 | av_extend(curstack,127); |
79072805 | 2461 | |
6e72f9df | 2462 | stack_base = AvARRAY(curstack); |
79072805 | 2463 | stack_sp = stack_base; |
8990e307 | 2464 | stack_max = stack_base + 127; |
79072805 | 2465 | |
a5f75d66 AD |
2466 | cxstack_max = 8192 / sizeof(CONTEXT) - 2; /* Use most of 8K. */ |
2467 | New(50,cxstack,cxstack_max + 1,CONTEXT); | |
8990e307 | 2468 | cxstack_ix = -1; |
8990e307 LW |
2469 | |
2470 | New(50,tmps_stack,128,SV*); | |
6d4ff0d2 | 2471 | tmps_floor = -1; |
8990e307 LW |
2472 | tmps_ix = -1; |
2473 | tmps_max = 128; | |
2474 | ||
5f05dabc | 2475 | /* |
2476 | * The following stacks almost certainly should be per-interpreter, | |
2477 | * but for now they're not. XXX | |
2478 | */ | |
2479 | ||
6e72f9df | 2480 | if (markstack) { |
2481 | markstack_ptr = markstack; | |
2482 | } else { | |
2483 | New(54,markstack,64,I32); | |
2484 | markstack_ptr = markstack; | |
2485 | markstack_max = markstack + 64; | |
2486 | } | |
79072805 | 2487 | |
6e72f9df | 2488 | if (scopestack) { |
2489 | scopestack_ix = 0; | |
2490 | } else { | |
2491 | New(54,scopestack,32,I32); | |
2492 | scopestack_ix = 0; | |
2493 | scopestack_max = 32; | |
2494 | } | |
79072805 | 2495 | |
6e72f9df | 2496 | if (savestack) { |
2497 | savestack_ix = 0; | |
2498 | } else { | |
2499 | New(54,savestack,128,ANY); | |
2500 | savestack_ix = 0; | |
2501 | savestack_max = 128; | |
2502 | } | |
79072805 | 2503 | |
6e72f9df | 2504 | if (retstack) { |
2505 | retstack_ix = 0; | |
2506 | } else { | |
2507 | New(54,retstack,16,OP*); | |
2508 | retstack_ix = 0; | |
2509 | retstack_max = 16; | |
5f05dabc | 2510 | } |
378cc40b | 2511 | } |
33b78306 | 2512 | |
6e72f9df | 2513 | static void |
2514 | nuke_stacks() | |
2515 | { | |
e858de61 | 2516 | dTHR; |
6e72f9df | 2517 | Safefree(cxstack); |
2518 | Safefree(tmps_stack); | |
5f05dabc | 2519 | DEBUG( { |
2520 | Safefree(debname); | |
2521 | Safefree(debdelim); | |
2522 | } ) | |
378cc40b | 2523 | } |
33b78306 | 2524 | |
760ac839 | 2525 | static PerlIO *tmpfp; /* moved outside init_lexer() because of UNICOS bug */ |
7aa04957 | 2526 | |
79072805 | 2527 | static void |
8990e307 LW |
2528 | init_lexer() |
2529 | { | |
a0d0e21e | 2530 | tmpfp = rsfp; |
90248788 | 2531 | rsfp = Nullfp; |
8990e307 LW |
2532 | lex_start(linestr); |
2533 | rsfp = tmpfp; | |
2534 | subname = newSVpv("main",4); | |
2535 | } | |
2536 | ||
2537 | static void | |
79072805 | 2538 | init_predump_symbols() |
45d8adaa | 2539 | { |
11343788 | 2540 | dTHR; |
93a17b20 | 2541 | GV *tmpgv; |
a0d0e21e | 2542 | GV *othergv; |
79072805 | 2543 | |
a863c7d1 | 2544 | #ifdef USE_THREADS |
554b3eca | 2545 | sv_setpvn(*av_fetch(thr->magicals,find_thread_magical("\""),FALSE)," ", 1); |
a863c7d1 | 2546 | #else |
85e6fe83 | 2547 | sv_setpvn(GvSV(gv_fetchpv("\"", TRUE, SVt_PV)), " ", 1); |
a863c7d1 | 2548 | #endif /* USE_THREADS */ |
79072805 | 2549 | |
85e6fe83 | 2550 | stdingv = gv_fetchpv("STDIN",TRUE, SVt_PVIO); |
a5f75d66 | 2551 | GvMULTI_on(stdingv); |
760ac839 | 2552 | IoIFP(GvIOp(stdingv)) = PerlIO_stdin(); |
adbc6bb1 | 2553 | tmpgv = gv_fetchpv("stdin",TRUE, SVt_PV); |
a5f75d66 | 2554 | GvMULTI_on(tmpgv); |
a0d0e21e | 2555 | GvIOp(tmpgv) = (IO*)SvREFCNT_inc(GvIOp(stdingv)); |
79072805 | 2556 | |
85e6fe83 | 2557 | tmpgv = gv_fetchpv("STDOUT",TRUE, SVt_PVIO); |
a5f75d66 | 2558 | GvMULTI_on(tmpgv); |
760ac839 | 2559 | IoOFP(GvIOp(tmpgv)) = IoIFP(GvIOp(tmpgv)) = PerlIO_stdout(); |
4633a7c4 | 2560 | setdefout(tmpgv); |
adbc6bb1 | 2561 | tmpgv = gv_fetchpv("stdout",TRUE, SVt_PV); |
a5f75d66 | 2562 | GvMULTI_on(tmpgv); |
a0d0e21e | 2563 | GvIOp(tmpgv) = (IO*)SvREFCNT_inc(GvIOp(defoutgv)); |
79072805 | 2564 | |
a0d0e21e | 2565 | othergv = gv_fetchpv("STDERR",TRUE, SVt_PVIO); |
a5f75d66 | 2566 | GvMULTI_on(othergv); |
760ac839 | 2567 | IoOFP(GvIOp(othergv)) = IoIFP(GvIOp(othergv)) = PerlIO_stderr(); |
adbc6bb1 | 2568 | tmpgv = gv_fetchpv("stderr",TRUE, SVt_PV); |
a5f75d66 | 2569 | GvMULTI_on(tmpgv); |
a0d0e21e | 2570 | GvIOp(tmpgv) = (IO*)SvREFCNT_inc(GvIOp(othergv)); |
79072805 LW |
2571 | |
2572 | statname = NEWSV(66,0); /* last filename we did stat on */ | |
ab821d7f | 2573 | |
6e72f9df | 2574 | if (!osname) |
2575 | osname = savepv(OSNAME); | |
79072805 | 2576 | } |
33b78306 | 2577 | |
79072805 LW |
2578 | static void |
2579 | init_postdump_symbols(argc,argv,env) | |
2580 | register int argc; | |
2581 | register char **argv; | |
2582 | register char **env; | |
33b78306 | 2583 | { |
a863c7d1 | 2584 | dTHR; |
79072805 LW |
2585 | char *s; |
2586 | SV *sv; | |
2587 | GV* tmpgv; | |
fe14fcc3 | 2588 | |
79072805 LW |
2589 | argc--,argv++; /* skip name of script */ |
2590 | if (doswitches) { | |
2591 | for (; argc > 0 && **argv == '-'; argc--,argv++) { | |
2592 | if (!argv[0][1]) | |
2593 | break; | |
2594 | if (argv[0][1] == '-') { | |
2595 | argc--,argv++; | |
2596 | break; | |
2597 | } | |
93a17b20 | 2598 | if (s = strchr(argv[0], '=')) { |
79072805 | 2599 | *s++ = '\0'; |
85e6fe83 | 2600 | sv_setpv(GvSV(gv_fetchpv(argv[0]+1,TRUE, SVt_PV)),s); |
79072805 LW |
2601 | } |
2602 | else | |
85e6fe83 | 2603 | sv_setiv(GvSV(gv_fetchpv(argv[0]+1,TRUE, SVt_PV)),1); |
fe14fcc3 | 2604 | } |
79072805 LW |
2605 | } |
2606 | toptarget = NEWSV(0,0); | |
2607 | sv_upgrade(toptarget, SVt_PVFM); | |
2608 | sv_setpvn(toptarget, "", 0); | |
748a9306 | 2609 | bodytarget = NEWSV(0,0); |
79072805 LW |
2610 | sv_upgrade(bodytarget, SVt_PVFM); |
2611 | sv_setpvn(bodytarget, "", 0); | |
2612 | formtarget = bodytarget; | |
2613 | ||
bbce6d69 | 2614 | TAINT; |
85e6fe83 | 2615 | if (tmpgv = gv_fetchpv("0",TRUE, SVt_PV)) { |
79072805 LW |
2616 | sv_setpv(GvSV(tmpgv),origfilename); |
2617 | magicname("0", "0", 1); | |
2618 | } | |
85e6fe83 | 2619 | if (tmpgv = gv_fetchpv("\030",TRUE, SVt_PV)) |
79072805 | 2620 | sv_setpv(GvSV(tmpgv),origargv[0]); |
85e6fe83 | 2621 | if (argvgv = gv_fetchpv("ARGV",TRUE, SVt_PVAV)) { |
a5f75d66 | 2622 | GvMULTI_on(argvgv); |
79072805 LW |
2623 | (void)gv_AVadd(argvgv); |
2624 | av_clear(GvAVn(argvgv)); | |
2625 | for (; argc > 0; argc--,argv++) { | |
a0d0e21e | 2626 | av_push(GvAVn(argvgv),newSVpv(argv[0],0)); |
79072805 LW |
2627 | } |
2628 | } | |
85e6fe83 | 2629 | if (envgv = gv_fetchpv("ENV",TRUE, SVt_PVHV)) { |
79072805 | 2630 | HV *hv; |
a5f75d66 | 2631 | GvMULTI_on(envgv); |
79072805 | 2632 | hv = GvHVn(envgv); |
5aabfad6 | 2633 | hv_magic(hv, envgv, 'E'); |
a0d0e21e | 2634 | #ifndef VMS /* VMS doesn't have environ array */ |
4633a7c4 LW |
2635 | /* Note that if the supplied env parameter is actually a copy |
2636 | of the global environ then it may now point to free'd memory | |
2637 | if the environment has been modified since. To avoid this | |
2638 | problem we treat env==NULL as meaning 'use the default' | |
2639 | */ | |
2640 | if (!env) | |
2641 | env = environ; | |
5aabfad6 | 2642 | if (env != environ) |
79072805 LW |
2643 | environ[0] = Nullch; |
2644 | for (; *env; env++) { | |
93a17b20 | 2645 | if (!(s = strchr(*env,'='))) |
79072805 LW |
2646 | continue; |
2647 | *s++ = '\0'; | |
137443ea | 2648 | #ifdef WIN32 |
2649 | (void)strupr(*env); | |
2650 | #endif | |
79072805 LW |
2651 | sv = newSVpv(s--,0); |
2652 | (void)hv_store(hv, *env, s - *env, sv, 0); | |
2653 | *s = '='; | |
3e3baf6d TB |
2654 | #if defined(__BORLANDC__) && defined(USE_WIN32_RTL_ENV) |
2655 | /* Sins of the RTL. See note in my_setenv(). */ | |
2656 | (void)putenv(savepv(*env)); | |
2657 | #endif | |
fe14fcc3 | 2658 | } |
4550b24a | 2659 | #endif |
2660 | #ifdef DYNAMIC_ENV_FETCH | |
2661 | HvNAME(hv) = savepv(ENV_HV_NAME); | |
2662 | #endif | |
79072805 | 2663 | } |
bbce6d69 | 2664 | TAINT_NOT; |
85e6fe83 | 2665 | if (tmpgv = gv_fetchpv("$",TRUE, SVt_PV)) |
1e422769 | 2666 | sv_setiv(GvSV(tmpgv), (IV)getpid()); |
33b78306 | 2667 | } |
34de22dd | 2668 | |
79072805 LW |
2669 | static void |
2670 | init_perllib() | |
34de22dd | 2671 | { |
85e6fe83 LW |
2672 | char *s; |
2673 | if (!tainting) { | |
552a7a9b | 2674 | #ifndef VMS |
85e6fe83 LW |
2675 | s = getenv("PERL5LIB"); |
2676 | if (s) | |
774d564b | 2677 | incpush(s, TRUE); |
85e6fe83 | 2678 | else |
774d564b | 2679 | incpush(getenv("PERLLIB"), FALSE); |
552a7a9b | 2680 | #else /* VMS */ |
2681 | /* Treat PERL5?LIB as a possible search list logical name -- the | |
2682 | * "natural" VMS idiom for a Unix path string. We allow each | |
2683 | * element to be a set of |-separated directories for compatibility. | |
2684 | */ | |
2685 | char buf[256]; | |
2686 | int idx = 0; | |
2687 | if (my_trnlnm("PERL5LIB",buf,0)) | |
774d564b | 2688 | do { incpush(buf,TRUE); } while (my_trnlnm("PERL5LIB",buf,++idx)); |
552a7a9b | 2689 | else |
774d564b | 2690 | while (my_trnlnm("PERLLIB",buf,idx++)) incpush(buf,FALSE); |
552a7a9b | 2691 | #endif /* VMS */ |
85e6fe83 | 2692 | } |
34de22dd | 2693 | |
c90c0ff4 | 2694 | /* Use the ~-expanded versions of APPLLIB (undocumented), |
df5cef82 | 2695 | ARCHLIB PRIVLIB SITEARCH SITELIB and OLDARCHLIB |
2696 | */ | |
4633a7c4 | 2697 | #ifdef APPLLIB_EXP |
774d564b | 2698 | incpush(APPLLIB_EXP, FALSE); |
16d20bd9 | 2699 | #endif |
4633a7c4 | 2700 | |
fed7345c | 2701 | #ifdef ARCHLIB_EXP |
774d564b | 2702 | incpush(ARCHLIB_EXP, FALSE); |
a0d0e21e | 2703 | #endif |
fed7345c AD |
2704 | #ifndef PRIVLIB_EXP |
2705 | #define PRIVLIB_EXP "/usr/local/lib/perl5:/usr/local/lib/perl" | |
34de22dd | 2706 | #endif |
774d564b | 2707 | incpush(PRIVLIB_EXP, FALSE); |
4633a7c4 LW |
2708 | |
2709 | #ifdef SITEARCH_EXP | |
774d564b | 2710 | incpush(SITEARCH_EXP, FALSE); |
4633a7c4 LW |
2711 | #endif |
2712 | #ifdef SITELIB_EXP | |
774d564b | 2713 | incpush(SITELIB_EXP, FALSE); |
4633a7c4 LW |
2714 | #endif |
2715 | #ifdef OLDARCHLIB_EXP /* 5.00[01] compatibility */ | |
774d564b | 2716 | incpush(OLDARCHLIB_EXP, FALSE); |
4633a7c4 | 2717 | #endif |
a0d0e21e | 2718 | |
4633a7c4 | 2719 | if (!tainting) |
774d564b | 2720 | incpush(".", FALSE); |
2721 | } | |
2722 | ||
2723 | #if defined(DOSISH) | |
2724 | # define PERLLIB_SEP ';' | |
2725 | #else | |
2726 | # if defined(VMS) | |
2727 | # define PERLLIB_SEP '|' | |
2728 | # else | |
2729 | # define PERLLIB_SEP ':' | |
2730 | # endif | |
2731 | #endif | |
2732 | #ifndef PERLLIB_MANGLE | |
2733 | # define PERLLIB_MANGLE(s,n) (s) | |
2734 | #endif | |
2735 | ||
2736 | static void | |
2737 | incpush(p, addsubdirs) | |
2738 | char *p; | |
2739 | int addsubdirs; | |
2740 | { | |
2741 | SV *subdir = Nullsv; | |
2742 | static char *archpat_auto; | |
2743 | ||
2744 | if (!p) | |
2745 | return; | |
2746 | ||
2747 | if (addsubdirs) { | |
2748 | subdir = newSV(0); | |
2749 | if (!archpat_auto) { | |
2750 | STRLEN len = (sizeof(ARCHNAME) + strlen(patchlevel) | |
2751 | + sizeof("//auto")); | |
2752 | New(55, archpat_auto, len, char); | |
2753 | sprintf(archpat_auto, "/%s/%s/auto", ARCHNAME, patchlevel); | |
aa689395 | 2754 | #ifdef VMS |
2755 | for (len = sizeof(ARCHNAME) + 2; | |
2756 | archpat_auto[len] != '\0' && archpat_auto[len] != '/'; len++) | |
2757 | if (archpat_auto[len] == '.') archpat_auto[len] = '_'; | |
2758 | #endif | |
774d564b | 2759 | } |
2760 | } | |
2761 | ||
2762 | /* Break at all separators */ | |
2763 | while (p && *p) { | |
2764 | SV *libdir = newSV(0); | |
2765 | char *s; | |
2766 | ||
2767 | /* skip any consecutive separators */ | |
2768 | while ( *p == PERLLIB_SEP ) { | |
2769 | /* Uncomment the next line for PATH semantics */ | |
2770 | /* av_push(GvAVn(incgv), newSVpv(".", 1)); */ | |
2771 | p++; | |
2772 | } | |
2773 | ||
2774 | if ( (s = strchr(p, PERLLIB_SEP)) != Nullch ) { | |
2775 | sv_setpvn(libdir, PERLLIB_MANGLE(p, (STRLEN)(s - p)), | |
2776 | (STRLEN)(s - p)); | |
2777 | p = s + 1; | |
2778 | } | |
2779 | else { | |
2780 | sv_setpv(libdir, PERLLIB_MANGLE(p, 0)); | |
2781 | p = Nullch; /* break out */ | |
2782 | } | |
2783 | ||
2784 | /* | |
2785 | * BEFORE pushing libdir onto @INC we may first push version- and | |
2786 | * archname-specific sub-directories. | |
2787 | */ | |
2788 | if (addsubdirs) { | |
2789 | struct stat tmpstatbuf; | |
aa689395 | 2790 | #ifdef VMS |
2791 | char *unix; | |
2792 | STRLEN len; | |
774d564b | 2793 | |
aa689395 | 2794 | if ((unix = tounixspec_ts(SvPV(libdir,na),Nullch)) != Nullch) { |
2795 | len = strlen(unix); | |
2796 | while (unix[len-1] == '/') len--; /* Cosmetic */ | |
2797 | sv_usepvn(libdir,unix,len); | |
2798 | } | |
2799 | else | |
2800 | PerlIO_printf(PerlIO_stderr(), | |
2801 | "Failed to unixify @INC element \"%s\"\n", | |
2802 | SvPV(libdir,na)); | |
2803 | #endif | |
4fdae800 | 2804 | /* .../archname/version if -d .../archname/version/auto */ |
774d564b | 2805 | sv_setsv(subdir, libdir); |
2806 | sv_catpv(subdir, archpat_auto); | |
2807 | if (Stat(SvPVX(subdir), &tmpstatbuf) >= 0 && | |
2808 | S_ISDIR(tmpstatbuf.st_mode)) | |
2809 | av_push(GvAVn(incgv), | |
2810 | newSVpv(SvPVX(subdir), SvCUR(subdir) - sizeof "auto")); | |
2811 | ||
4fdae800 | 2812 | /* .../archname if -d .../archname/auto */ |
774d564b | 2813 | sv_insert(subdir, SvCUR(libdir) + sizeof(ARCHNAME), |
2814 | strlen(patchlevel) + 1, "", 0); | |
2815 | if (Stat(SvPVX(subdir), &tmpstatbuf) >= 0 && | |
2816 | S_ISDIR(tmpstatbuf.st_mode)) | |
2817 | av_push(GvAVn(incgv), | |
2818 | newSVpv(SvPVX(subdir), SvCUR(subdir) - sizeof "auto")); | |
2819 | } | |
2820 | ||
2821 | /* finally push this lib directory on the end of @INC */ | |
2822 | av_push(GvAVn(incgv), libdir); | |
2823 | } | |
2824 | ||
2825 | SvREFCNT_dec(subdir); | |
34de22dd | 2826 | } |
93a17b20 LW |
2827 | |
2828 | void | |
68dc0745 | 2829 | call_list(oldscope, list) |
2ae324a7 | 2830 | I32 oldscope; |
93a17b20 LW |
2831 | AV* list; |
2832 | { | |
11343788 | 2833 | dTHR; |
a0d0e21e | 2834 | line_t oldline = curcop->cop_line; |
22921e25 CS |
2835 | STRLEN len; |
2836 | dJMPENV; | |
2837 | int ret; | |
93a17b20 | 2838 | |
8990e307 LW |
2839 | while (AvFILL(list) >= 0) { |
2840 | CV *cv = (CV*)av_shift(list); | |
93a17b20 | 2841 | |
8990e307 | 2842 | SAVEFREESV(cv); |
a0d0e21e | 2843 | |
22921e25 CS |
2844 | JMPENV_PUSH(ret); |
2845 | switch (ret) { | |
748a9306 | 2846 | case 0: { |
748a9306 LW |
2847 | PUSHMARK(stack_sp); |
2848 | perl_call_sv((SV*)cv, G_EVAL|G_DISCARD); | |
554b3eca | 2849 | (void)SvPV(errsv, len); |
748a9306 | 2850 | if (len) { |
54310121 | 2851 | JMPENV_POP; |
748a9306 LW |
2852 | curcop = &compiling; |
2853 | curcop->cop_line = oldline; | |
2854 | if (list == beginav) | |
554b3eca | 2855 | sv_catpv(errsv, "BEGIN failed--compilation aborted"); |
748a9306 | 2856 | else |
554b3eca | 2857 | sv_catpv(errsv, "END failed--cleanup aborted"); |
2ae324a7 | 2858 | while (scopestack_ix > oldscope) |
2859 | LEAVE; | |
554b3eca | 2860 | croak("%s", SvPVX(errsv)); |
748a9306 | 2861 | } |
a0d0e21e | 2862 | } |
85e6fe83 LW |
2863 | break; |
2864 | case 1: | |
f86702cc | 2865 | STATUS_ALL_FAILURE; |
85e6fe83 LW |
2866 | /* FALL THROUGH */ |
2867 | case 2: | |
2868 | /* my_exit() was called */ | |
2ae324a7 | 2869 | while (scopestack_ix > oldscope) |
2870 | LEAVE; | |
84902520 | 2871 | FREETMPS; |
85e6fe83 LW |
2872 | curstash = defstash; |
2873 | if (endav) | |
68dc0745 | 2874 | call_list(oldscope, endav); |
54310121 | 2875 | JMPENV_POP; |
a0d0e21e LW |
2876 | curcop = &compiling; |
2877 | curcop->cop_line = oldline; | |
85e6fe83 LW |
2878 | if (statusvalue) { |
2879 | if (list == beginav) | |
a0d0e21e | 2880 | croak("BEGIN failed--compilation aborted"); |
85e6fe83 | 2881 | else |
a0d0e21e | 2882 | croak("END failed--cleanup aborted"); |
85e6fe83 | 2883 | } |
f86702cc | 2884 | my_exit_jump(); |
85e6fe83 | 2885 | /* NOTREACHED */ |
85e6fe83 LW |
2886 | case 3: |
2887 | if (!restartop) { | |
760ac839 | 2888 | PerlIO_printf(PerlIO_stderr(), "panic: restartop\n"); |
a0d0e21e | 2889 | FREETMPS; |
85e6fe83 LW |
2890 | break; |
2891 | } | |
54310121 | 2892 | JMPENV_POP; |
a0d0e21e LW |
2893 | curcop = &compiling; |
2894 | curcop->cop_line = oldline; | |
54310121 | 2895 | JMPENV_JUMP(3); |
8990e307 | 2896 | } |
54310121 | 2897 | JMPENV_POP; |
93a17b20 | 2898 | } |
93a17b20 | 2899 | } |
93a17b20 | 2900 | |
f86702cc | 2901 | void |
2902 | my_exit(status) | |
2903 | U32 status; | |
2904 | { | |
5dc0d613 MB |
2905 | dTHR; |
2906 | ||
2907 | #ifdef USE_THREADS | |
a863c7d1 MB |
2908 | DEBUG_L(PerlIO_printf(Perl_debug_log, "my_exit: thread %p, status %lu\n", |
2909 | thr, (unsigned long) status)); | |
5dc0d613 | 2910 | #endif /* USE_THREADS */ |
f86702cc | 2911 | switch (status) { |
2912 | case 0: | |
2913 | STATUS_ALL_SUCCESS; | |
2914 | break; | |
2915 | case 1: | |
2916 | STATUS_ALL_FAILURE; | |
2917 | break; | |
2918 | default: | |
2919 | STATUS_NATIVE_SET(status); | |
2920 | break; | |
2921 | } | |
2922 | my_exit_jump(); | |
2923 | } | |
2924 | ||
2925 | void | |
2926 | my_failure_exit() | |
2927 | { | |
2928 | #ifdef VMS | |
2929 | if (vaxc$errno & 1) { | |
4fdae800 | 2930 | if (STATUS_NATIVE & 1) /* fortuitiously includes "-1" */ |
2931 | STATUS_NATIVE_SET(44); | |
f86702cc | 2932 | } |
2933 | else { | |
ff0cee69 | 2934 | if (!vaxc$errno && errno) /* unlikely */ |
4fdae800 | 2935 | STATUS_NATIVE_SET(44); |
f86702cc | 2936 | else |
4fdae800 | 2937 | STATUS_NATIVE_SET(vaxc$errno); |
f86702cc | 2938 | } |
2939 | #else | |
2940 | if (errno & 255) | |
2941 | STATUS_POSIX_SET(errno); | |
2942 | else if (STATUS_POSIX == 0) | |
2943 | STATUS_POSIX_SET(255); | |
2944 | #endif | |
2945 | my_exit_jump(); | |
93a17b20 LW |
2946 | } |
2947 | ||
f86702cc | 2948 | static void |
2949 | my_exit_jump() | |
2950 | { | |
e858de61 | 2951 | dTHR; |
f86702cc | 2952 | register CONTEXT *cx; |
2953 | I32 gimme; | |
2954 | SV **newsp; | |
2955 | ||
2956 | if (e_tmpname) { | |
2957 | if (e_fp) { | |
2958 | PerlIO_close(e_fp); | |
2959 | e_fp = Nullfp; | |
2960 | } | |
2961 | (void)UNLINK(e_tmpname); | |
2962 | Safefree(e_tmpname); | |
2963 | e_tmpname = Nullch; | |
2964 | } | |
2965 | ||
2966 | if (cxstack_ix >= 0) { | |
2967 | if (cxstack_ix > 0) | |
2968 | dounwind(0); | |
2969 | POPBLOCK(cx,curpm); | |
2970 | LEAVE; | |
2971 | } | |
ff0cee69 | 2972 | |
54310121 | 2973 | JMPENV_JUMP(2); |
f86702cc | 2974 | } |