Commit | Line | Data |
---|---|---|
a0d0e21e LW |
1 | /* perl.c |
2 | * | |
9607fc9c | 3 | * Copyright (c) 1987-1997 Larry Wall |
a687059c | 4 | * |
352d5a3a LW |
5 | * You may distribute under the terms of either the GNU General Public |
6 | * License or the Artistic License, as specified in the README file. | |
a687059c | 7 | * |
8d063cd8 LW |
8 | */ |
9 | ||
a0d0e21e LW |
10 | /* |
11 | * "A ship then new they built for him/of mithril and of elven glass" --Bilbo | |
12 | */ | |
45d8adaa | 13 | |
378cc40b LW |
14 | #include "EXTERN.h" |
15 | #include "perl.h" | |
a687059c | 16 | #include "patchlevel.h" |
378cc40b | 17 | |
df5cef82 | 18 | /* XXX If this causes problems, set i_unistd=undef in the hint file. */ |
a0d0e21e LW |
19 | #ifdef I_UNISTD |
20 | #include <unistd.h> | |
21 | #endif | |
a0d0e21e | 22 | |
54310121 | 23 | #if !defined(STANDARD_C) && !defined(HAS_GETENV_PROTOTYPE) |
24 | char *getenv _((char *)); /* Usually in <stdlib.h> */ | |
25 | #endif | |
26 | ||
71be2cbc | 27 | dEXTCONST char rcsid[] = "perl.c\nPatch level: ###\n"; |
463ee0b2 | 28 | |
a687059c LW |
29 | #ifdef IAMSUID |
30 | #ifndef DOSUID | |
31 | #define DOSUID | |
32 | #endif | |
33 | #endif | |
378cc40b | 34 | |
a687059c LW |
35 | #ifdef SETUID_SCRIPTS_ARE_SECURE_NOW |
36 | #ifdef DOSUID | |
37 | #undef DOSUID | |
38 | #endif | |
39 | #endif | |
8d063cd8 | 40 | |
8ebc5c01 | 41 | #define I_REINIT \ |
42 | STMT_START { \ | |
43 | chopset = " \n-"; \ | |
44 | copline = NOLINE; \ | |
45 | curcop = &compiling; \ | |
46 | curcopdb = NULL; \ | |
47 | cxstack_ix = -1; \ | |
48 | cxstack_max = 128; \ | |
49 | dbargs = 0; \ | |
50 | dlmax = 128; \ | |
51 | laststatval = -1; \ | |
52 | laststype = OP_STAT; \ | |
53 | maxscream = -1; \ | |
54 | maxsysfd = MAXSYSFD; \ | |
55 | statname = Nullsv; \ | |
56 | tmps_floor = -1; \ | |
57 | tmps_ix = -1; \ | |
58 | op_mask = NULL; \ | |
59 | dlmax = 128; \ | |
60 | laststatval = -1; \ | |
61 | laststype = OP_STAT; \ | |
46fc3d4c | 62 | mess_sv = Nullsv; \ |
8ebc5c01 | 63 | } STMT_END |
64 | ||
a0d0e21e | 65 | static void find_beginning _((void)); |
bbce6d69 | 66 | static void forbid_setid _((char *)); |
774d564b | 67 | static void incpush _((char *, int)); |
748a9306 | 68 | static void init_ids _((void)); |
a0d0e21e LW |
69 | static void init_debugger _((void)); |
70 | static void init_lexer _((void)); | |
71 | static void init_main_stash _((void)); | |
199100c8 | 72 | #ifdef USE_THREADS |
52e1cb5e | 73 | static struct perl_thread * init_main_thread _((void)); |
199100c8 | 74 | #endif /* USE_THREADS */ |
a0d0e21e LW |
75 | static void init_perllib _((void)); |
76 | static void init_postdump_symbols _((int, char **, char **)); | |
77 | static void init_predump_symbols _((void)); | |
f86702cc | 78 | static void my_exit_jump _((void)) __attribute__((noreturn)); |
6e72f9df | 79 | static void nuke_stacks _((void)); |
a0d0e21e | 80 | static void open_script _((char *, bool, SV *)); |
ab821d7f | 81 | static void usage _((char *)); |
96436eeb | 82 | static void validate_suid _((char *, char*)); |
83 | ||
84 | static int fdscript = -1; | |
79072805 | 85 | |
77a005ab MB |
86 | #if defined(DEBUGGING) && defined(USE_THREADS) && defined(__linux__) |
87 | #include <asm/sigcontext.h> | |
88 | static void | |
89 | catch_sigsegv(int signo, struct sigcontext_struct sc) | |
90 | { | |
6ad3d225 | 91 | PerlProc_signal(SIGSEGV, SIG_DFL); |
77a005ab MB |
92 | fprintf(stderr, "Segmentation fault dereferencing 0x%lx\n" |
93 | "return_address = 0x%lx, eip = 0x%lx\n", | |
94 | sc.cr2, __builtin_return_address(0), sc.eip); | |
95 | fprintf(stderr, "thread = 0x%lx\n", (unsigned long)THR); | |
96 | } | |
97 | #endif | |
98 | ||
93a17b20 | 99 | PerlInterpreter * |
8ac85365 | 100 | perl_alloc(void) |
79072805 | 101 | { |
93a17b20 | 102 | PerlInterpreter *sv_interp; |
79072805 | 103 | |
8990e307 | 104 | curinterp = 0; |
93a17b20 | 105 | New(53, sv_interp, 1, PerlInterpreter); |
79072805 LW |
106 | return sv_interp; |
107 | } | |
108 | ||
109 | void | |
8ac85365 | 110 | perl_construct(register PerlInterpreter *sv_interp) |
79072805 | 111 | { |
a863c7d1 MB |
112 | #ifdef USE_THREADS |
113 | int i; | |
114 | #ifndef FAKE_THREADS | |
52e1cb5e | 115 | struct perl_thread *thr; |
a863c7d1 MB |
116 | #endif /* FAKE_THREADS */ |
117 | #endif /* USE_THREADS */ | |
11343788 | 118 | |
79072805 LW |
119 | if (!(curinterp = sv_interp)) |
120 | return; | |
121 | ||
8990e307 | 122 | #ifdef MULTIPLICITY |
93a17b20 | 123 | Zero(sv_interp, 1, PerlInterpreter); |
8990e307 | 124 | #endif |
79072805 | 125 | |
33f46ff6 | 126 | /* Init the real globals (and main thread)? */ |
c116a00c | 127 | if (!linestr) { |
11343788 | 128 | #ifdef USE_THREADS |
8023c3ce | 129 | |
33f46ff6 | 130 | INIT_THREADS; |
d55594ae GS |
131 | #ifdef ALLOC_THREAD_KEY |
132 | ALLOC_THREAD_KEY; | |
133 | #else | |
a863c7d1 MB |
134 | if (pthread_key_create(&thr_key, 0)) |
135 | croak("panic: pthread_key_create"); | |
d55594ae | 136 | #endif |
c116a00c | 137 | MUTEX_INIT(&sv_mutex); |
a863c7d1 MB |
138 | /* |
139 | * Safe to use basic SV functions from now on (though | |
140 | * not things like mortals or tainting yet). | |
141 | */ | |
c116a00c MB |
142 | MUTEX_INIT(&eval_mutex); |
143 | COND_INIT(&eval_cond); | |
33f46ff6 | 144 | MUTEX_INIT(&threads_mutex); |
c116a00c | 145 | COND_INIT(&nthreads_cond); |
a863c7d1 | 146 | |
199100c8 | 147 | thr = init_main_thread(); |
11343788 MB |
148 | #endif /* USE_THREADS */ |
149 | ||
79072805 | 150 | linestr = NEWSV(65,80); |
ed6116ce | 151 | sv_upgrade(linestr,SVt_PVIV); |
79072805 | 152 | |
6e72f9df | 153 | if (!SvREADONLY(&sv_undef)) { |
154 | SvREADONLY_on(&sv_undef); | |
79072805 | 155 | |
6e72f9df | 156 | sv_setpv(&sv_no,No); |
157 | SvNV(&sv_no); | |
158 | SvREADONLY_on(&sv_no); | |
79072805 | 159 | |
6e72f9df | 160 | sv_setpv(&sv_yes,Yes); |
161 | SvNV(&sv_yes); | |
162 | SvREADONLY_on(&sv_yes); | |
163 | } | |
79072805 | 164 | |
c07a80fd | 165 | nrs = newSVpv("\n", 1); |
166 | rs = SvREFCNT_inc(nrs); | |
167 | ||
c23142e2 | 168 | sighandlerp = sighandler; |
44a8e56a | 169 | pidstatus = newHV(); |
170 | ||
79072805 LW |
171 | #ifdef MSDOS |
172 | /* | |
173 | * There is no way we can refer to them from Perl so close them to save | |
174 | * space. The other alternative would be to provide STDAUX and STDPRN | |
175 | * filehandles. | |
176 | */ | |
177 | (void)fclose(stdaux); | |
178 | (void)fclose(stdprn); | |
179 | #endif | |
180 | } | |
181 | ||
8990e307 | 182 | #ifdef MULTIPLICITY |
8ebc5c01 | 183 | I_REINIT; |
184 | perl_destruct_level = 1; | |
185 | #else | |
186 | if(perl_destruct_level > 0) | |
187 | I_REINIT; | |
79072805 LW |
188 | #endif |
189 | ||
748a9306 | 190 | init_ids(); |
fb73857a | 191 | lex_state = LEX_NOTPARSING; |
a5f75d66 | 192 | |
54310121 | 193 | start_env.je_prev = NULL; |
194 | start_env.je_ret = -1; | |
195 | start_env.je_mustcatch = TRUE; | |
196 | top_env = &start_env; | |
f86702cc | 197 | STATUS_ALL_SUCCESS; |
198 | ||
36477c24 | 199 | SET_NUMERIC_STANDARD(); |
a5f75d66 | 200 | #if defined(SUBVERSION) && SUBVERSION > 0 |
e2666263 | 201 | sprintf(patchlevel, "%7.5f", (double) 5 |
202 | + ((double) PATCHLEVEL / (double) 1000) | |
203 | + ((double) SUBVERSION / (double) 100000)); | |
a5f75d66 | 204 | #else |
e2666263 | 205 | sprintf(patchlevel, "%5.3f", (double) 5 + |
206 | ((double) PATCHLEVEL / (double) 1000)); | |
a5f75d66 | 207 | #endif |
79072805 | 208 | |
ab821d7f | 209 | #if defined(LOCAL_PATCH_COUNT) |
6e72f9df | 210 | localpatches = local_patches; /* For possible -v */ |
ab821d7f | 211 | #endif |
212 | ||
760ac839 LW |
213 | PerlIO_init(); /* Hook to IO system */ |
214 | ||
79072805 | 215 | fdpid = newAV(); /* for remembering popen pids by fd */ |
8990e307 | 216 | |
11343788 MB |
217 | init_stacks(ARGS); |
218 | DEBUG( { | |
219 | New(51,debname,128,char); | |
220 | New(52,debdelim,128,char); | |
221 | } ) | |
222 | ||
8990e307 | 223 | ENTER; |
79072805 LW |
224 | } |
225 | ||
226 | void | |
8ac85365 | 227 | perl_destruct(register PerlInterpreter *sv_interp) |
79072805 | 228 | { |
11343788 | 229 | dTHR; |
748a9306 | 230 | int destruct_level; /* 0=none, 1=full, 2=full with checks */ |
8990e307 | 231 | I32 last_sv_count; |
a0d0e21e | 232 | HV *hv; |
1f2bfc8a | 233 | #ifdef USE_THREADS |
33f46ff6 | 234 | Thread t; |
1f2bfc8a | 235 | #endif /* USE_THREADS */ |
8990e307 | 236 | |
79072805 LW |
237 | if (!(curinterp = sv_interp)) |
238 | return; | |
748a9306 | 239 | |
11343788 | 240 | #ifdef USE_THREADS |
0f15f207 | 241 | #ifndef FAKE_THREADS |
8023c3ce MB |
242 | /* Pass 1 on any remaining threads: detach joinables, join zombies */ |
243 | retry_cleanup: | |
33f46ff6 MB |
244 | MUTEX_LOCK(&threads_mutex); |
245 | DEBUG_L(PerlIO_printf(PerlIO_stderr(), | |
c7848ba1 | 246 | "perl_destruct: waiting for %d threads...\n", |
33f46ff6 MB |
247 | nthreads - 1)); |
248 | for (t = thr->next; t != thr; t = t->next) { | |
605e5515 MB |
249 | MUTEX_LOCK(&t->mutex); |
250 | switch (ThrSTATE(t)) { | |
251 | AV *av; | |
c7848ba1 MB |
252 | case THRf_ZOMBIE: |
253 | DEBUG_L(PerlIO_printf(PerlIO_stderr(), | |
254 | "perl_destruct: joining zombie %p\n", t)); | |
605e5515 MB |
255 | ThrSETSTATE(t, THRf_DEAD); |
256 | MUTEX_UNLOCK(&t->mutex); | |
257 | nthreads--; | |
8023c3ce MB |
258 | /* |
259 | * The SvREFCNT_dec below may take a long time (e.g. av | |
260 | * may contain an object scalar whose destructor gets | |
261 | * called) so we have to unlock threads_mutex and start | |
262 | * all over again. | |
263 | */ | |
605e5515 | 264 | MUTEX_UNLOCK(&threads_mutex); |
ea0efc06 | 265 | JOIN(t, &av); |
605e5515 | 266 | SvREFCNT_dec((SV*)av); |
c7848ba1 MB |
267 | DEBUG_L(PerlIO_printf(PerlIO_stderr(), |
268 | "perl_destruct: joined zombie %p OK\n", t)); | |
8023c3ce | 269 | goto retry_cleanup; |
c7848ba1 MB |
270 | case THRf_R_JOINABLE: |
271 | DEBUG_L(PerlIO_printf(PerlIO_stderr(), | |
272 | "perl_destruct: detaching thread %p\n", t)); | |
273 | ThrSETSTATE(t, THRf_R_DETACHED); | |
274 | /* | |
275 | * We unlock threads_mutex and t->mutex in the opposite order | |
276 | * from which we locked them just so that DETACH won't | |
277 | * deadlock if it panics. It's only a breach of good style | |
278 | * not a bug since they are unlocks not locks. | |
279 | */ | |
280 | MUTEX_UNLOCK(&threads_mutex); | |
281 | DETACH(t); | |
282 | MUTEX_UNLOCK(&t->mutex); | |
8023c3ce | 283 | goto retry_cleanup; |
c7848ba1 MB |
284 | default: |
285 | DEBUG_L(PerlIO_printf(PerlIO_stderr(), | |
286 | "perl_destruct: ignoring %p (state %u)\n", | |
287 | t, ThrSTATE(t))); | |
288 | MUTEX_UNLOCK(&t->mutex); | |
c7848ba1 | 289 | /* fall through and out */ |
33f46ff6 MB |
290 | } |
291 | } | |
8023c3ce MB |
292 | /* We leave the above "Pass 1" loop with threads_mutex still locked */ |
293 | ||
294 | /* Pass 2 on remaining threads: wait for the thread count to drop to one */ | |
11343788 MB |
295 | while (nthreads > 1) |
296 | { | |
33f46ff6 | 297 | DEBUG_L(PerlIO_printf(PerlIO_stderr(), |
c7848ba1 | 298 | "perl_destruct: final wait for %d threads\n", |
33f46ff6 MB |
299 | nthreads - 1)); |
300 | COND_WAIT(&nthreads_cond, &threads_mutex); | |
11343788 MB |
301 | } |
302 | /* At this point, we're the last thread */ | |
33f46ff6 | 303 | MUTEX_UNLOCK(&threads_mutex); |
d9f997d7 | 304 | DEBUG_L(PerlIO_printf(PerlIO_stderr(), "perl_destruct: armageddon has arrived\n")); |
33f46ff6 | 305 | MUTEX_DESTROY(&threads_mutex); |
11343788 | 306 | COND_DESTROY(&nthreads_cond); |
0f15f207 | 307 | #endif /* !defined(FAKE_THREADS) */ |
11343788 MB |
308 | #endif /* USE_THREADS */ |
309 | ||
748a9306 | 310 | destruct_level = perl_destruct_level; |
4633a7c4 LW |
311 | #ifdef DEBUGGING |
312 | { | |
313 | char *s; | |
6ad3d225 | 314 | if (s = PerlENV_getenv("PERL_DESTRUCT_LEVEL")) { |
5f05dabc | 315 | int i = atoi(s); |
316 | if (destruct_level < i) | |
317 | destruct_level = i; | |
318 | } | |
4633a7c4 LW |
319 | } |
320 | #endif | |
321 | ||
8990e307 | 322 | LEAVE; |
a0d0e21e LW |
323 | FREETMPS; |
324 | ||
ff0cee69 | 325 | /* We must account for everything. */ |
326 | ||
327 | /* Destroy the main CV and syntax tree */ | |
6e72f9df | 328 | if (main_root) { |
329 | curpad = AvARRAY(comppad); | |
330 | op_free(main_root); | |
ff0cee69 | 331 | main_root = Nullop; |
a0d0e21e | 332 | } |
ff0cee69 | 333 | main_start = Nullop; |
334 | SvREFCNT_dec(main_cv); | |
335 | main_cv = Nullcv; | |
336 | ||
a0d0e21e LW |
337 | if (sv_objcount) { |
338 | /* | |
339 | * Try to destruct global references. We do this first so that the | |
340 | * destructors and destructees still exist. Some sv's might remain. | |
341 | * Non-referenced objects are on their own. | |
342 | */ | |
343 | ||
344 | dirty = TRUE; | |
345 | sv_clean_objs(); | |
8990e307 LW |
346 | } |
347 | ||
5cd24f17 | 348 | /* unhook hooks which will soon be, or use, destroyed data */ |
349 | SvREFCNT_dec(warnhook); | |
350 | warnhook = Nullsv; | |
351 | SvREFCNT_dec(diehook); | |
352 | diehook = Nullsv; | |
353 | SvREFCNT_dec(parsehook); | |
354 | parsehook = Nullsv; | |
355 | ||
a0d0e21e | 356 | if (destruct_level == 0){ |
8990e307 | 357 | |
a0d0e21e LW |
358 | DEBUG_P(debprofdump()); |
359 | ||
360 | /* The exit() function will do everything that needs doing. */ | |
361 | return; | |
362 | } | |
5dd60ef7 | 363 | |
5f05dabc | 364 | /* loosen bonds of global variables */ |
365 | ||
8ebc5c01 | 366 | if(rsfp) { |
367 | (void)PerlIO_close(rsfp); | |
368 | rsfp = Nullfp; | |
369 | } | |
370 | ||
371 | /* Filters for program text */ | |
372 | SvREFCNT_dec(rsfp_filters); | |
373 | rsfp_filters = Nullav; | |
374 | ||
375 | /* switches */ | |
376 | preprocess = FALSE; | |
377 | minus_n = FALSE; | |
378 | minus_p = FALSE; | |
379 | minus_l = FALSE; | |
380 | minus_a = FALSE; | |
381 | minus_F = FALSE; | |
382 | doswitches = FALSE; | |
383 | dowarn = FALSE; | |
384 | doextract = FALSE; | |
385 | sawampersand = FALSE; /* must save all match strings */ | |
386 | sawstudy = FALSE; /* do fbm_instr on all strings */ | |
387 | sawvec = FALSE; | |
388 | unsafe = FALSE; | |
389 | ||
390 | Safefree(inplace); | |
391 | inplace = Nullch; | |
392 | ||
393 | Safefree(e_tmpname); | |
394 | e_tmpname = Nullch; | |
395 | ||
396 | if (e_fp) { | |
397 | PerlIO_close(e_fp); | |
398 | e_fp = Nullfp; | |
399 | } | |
400 | ||
401 | /* magical thingies */ | |
402 | ||
403 | Safefree(ofs); /* $, */ | |
404 | ofs = Nullch; | |
5f05dabc | 405 | |
8ebc5c01 | 406 | Safefree(ors); /* $\ */ |
407 | ors = Nullch; | |
408 | ||
409 | SvREFCNT_dec(nrs); /* $\ helper */ | |
5f05dabc | 410 | nrs = Nullsv; |
411 | ||
8ebc5c01 | 412 | multiline = 0; /* $* */ |
5f05dabc | 413 | |
8ebc5c01 | 414 | SvREFCNT_dec(statname); |
5f05dabc | 415 | statname = Nullsv; |
416 | statgv = Nullgv; | |
5f05dabc | 417 | |
8ebc5c01 | 418 | /* defgv, aka *_ should be taken care of elsewhere */ |
419 | ||
8ebc5c01 | 420 | /* clean up after study() */ |
421 | SvREFCNT_dec(lastscream); | |
422 | lastscream = Nullsv; | |
423 | Safefree(screamfirst); | |
424 | screamfirst = 0; | |
425 | Safefree(screamnext); | |
426 | screamnext = 0; | |
427 | ||
428 | /* startup and shutdown function lists */ | |
429 | SvREFCNT_dec(beginav); | |
430 | SvREFCNT_dec(endav); | |
77a005ab | 431 | SvREFCNT_dec(initav); |
5618dfe8 | 432 | beginav = Nullav; |
5618dfe8 | 433 | endav = Nullav; |
77a005ab | 434 | initav = Nullav; |
5618dfe8 | 435 | |
8ebc5c01 | 436 | /* temp stack during pp_sort() */ |
437 | SvREFCNT_dec(sortstack); | |
438 | sortstack = Nullav; | |
439 | ||
440 | /* shortcuts just get cleared */ | |
441 | envgv = Nullgv; | |
442 | siggv = Nullgv; | |
443 | incgv = Nullgv; | |
12f917ad | 444 | errgv = Nullgv; |
8ebc5c01 | 445 | argvgv = Nullgv; |
446 | argvoutgv = Nullgv; | |
447 | stdingv = Nullgv; | |
448 | last_in_gv = Nullgv; | |
449 | ||
450 | /* reset so print() ends up where we expect */ | |
451 | setdefout(Nullgv); | |
452 | ||
a0d0e21e | 453 | /* Prepare to destruct main symbol table. */ |
5f05dabc | 454 | |
a0d0e21e | 455 | hv = defstash; |
85e6fe83 | 456 | defstash = 0; |
a0d0e21e LW |
457 | SvREFCNT_dec(hv); |
458 | ||
459 | FREETMPS; | |
460 | if (destruct_level >= 2) { | |
461 | if (scopestack_ix != 0) | |
ff0cee69 | 462 | warn("Unbalanced scopes: %ld more ENTERs than LEAVEs\n", |
463 | (long)scopestack_ix); | |
a0d0e21e | 464 | if (savestack_ix != 0) |
ff0cee69 | 465 | warn("Unbalanced saves: %ld more saves than restores\n", |
466 | (long)savestack_ix); | |
a0d0e21e | 467 | if (tmps_floor != -1) |
ff0cee69 | 468 | warn("Unbalanced tmps: %ld more allocs than frees\n", |
469 | (long)tmps_floor + 1); | |
a0d0e21e | 470 | if (cxstack_ix != -1) |
ff0cee69 | 471 | warn("Unbalanced context: %ld more PUSHes than POPs\n", |
472 | (long)cxstack_ix + 1); | |
a0d0e21e | 473 | } |
8990e307 LW |
474 | |
475 | /* Now absolutely destruct everything, somehow or other, loops or no. */ | |
8990e307 | 476 | last_sv_count = 0; |
6e72f9df | 477 | SvFLAGS(strtab) |= SVTYPEMASK; /* don't clean out strtab now */ |
8990e307 LW |
478 | while (sv_count != 0 && sv_count != last_sv_count) { |
479 | last_sv_count = sv_count; | |
480 | sv_clean_all(); | |
481 | } | |
6e72f9df | 482 | SvFLAGS(strtab) &= ~SVTYPEMASK; |
483 | SvFLAGS(strtab) |= SVt_PVHV; | |
484 | ||
485 | /* Destruct the global string table. */ | |
486 | { | |
487 | /* Yell and reset the HeVAL() slots that are still holding refcounts, | |
488 | * so that sv_free() won't fail on them. | |
489 | */ | |
490 | I32 riter; | |
491 | I32 max; | |
492 | HE *hent; | |
493 | HE **array; | |
494 | ||
495 | riter = 0; | |
496 | max = HvMAX(strtab); | |
497 | array = HvARRAY(strtab); | |
498 | hent = array[0]; | |
499 | for (;;) { | |
500 | if (hent) { | |
501 | warn("Unbalanced string table refcount: (%d) for \"%s\"", | |
502 | HeVAL(hent) - Nullsv, HeKEY(hent)); | |
503 | HeVAL(hent) = Nullsv; | |
504 | hent = HeNEXT(hent); | |
505 | } | |
506 | if (!hent) { | |
507 | if (++riter > max) | |
508 | break; | |
509 | hent = array[riter]; | |
510 | } | |
511 | } | |
512 | } | |
513 | SvREFCNT_dec(strtab); | |
514 | ||
8990e307 | 515 | if (sv_count != 0) |
ff0cee69 | 516 | warn("Scalars leaked: %ld\n", (long)sv_count); |
6e72f9df | 517 | |
4633a7c4 | 518 | sv_free_arenas(); |
44a8e56a | 519 | |
520 | /* No SVs have survived, need to clean out */ | |
521 | linestr = NULL; | |
522 | pidstatus = Nullhv; | |
6e72f9df | 523 | if (origfilename) |
524 | Safefree(origfilename); | |
525 | nuke_stacks(); | |
fc36a67e | 526 | hints = 0; /* Reset hints. Should hints be per-interpreter ? */ |
a0d0e21e LW |
527 | |
528 | DEBUG_P(debprofdump()); | |
11343788 MB |
529 | #ifdef USE_THREADS |
530 | MUTEX_DESTROY(&sv_mutex); | |
11343788 | 531 | MUTEX_DESTROY(&eval_mutex); |
c116a00c | 532 | COND_DESTROY(&eval_cond); |
fc36a67e | 533 | |
8023c3ce MB |
534 | /* As the penultimate thing, free the non-arena SV for thrsv */ |
535 | Safefree(SvPVX(thrsv)); | |
536 | Safefree(SvANY(thrsv)); | |
537 | Safefree(thrsv); | |
538 | thrsv = Nullsv; | |
539 | #endif /* USE_THREADS */ | |
540 | ||
fc36a67e | 541 | /* As the absolutely last thing, free the non-arena SV for mess() */ |
542 | ||
543 | if (mess_sv) { | |
544 | /* we know that type >= SVt_PV */ | |
545 | SvOOK_off(mess_sv); | |
546 | Safefree(SvPVX(mess_sv)); | |
547 | Safefree(SvANY(mess_sv)); | |
548 | Safefree(mess_sv); | |
549 | mess_sv = Nullsv; | |
550 | } | |
79072805 LW |
551 | } |
552 | ||
553 | void | |
8ac85365 | 554 | perl_free(PerlInterpreter *sv_interp) |
79072805 LW |
555 | { |
556 | if (!(curinterp = sv_interp)) | |
557 | return; | |
558 | Safefree(sv_interp); | |
559 | } | |
560 | ||
561 | int | |
8ac85365 | 562 | perl_parse(PerlInterpreter *sv_interp, void (*xsinit) (void), int argc, char **argv, char **env) |
8d063cd8 | 563 | { |
11343788 | 564 | dTHR; |
79072805 | 565 | register SV *sv; |
8d063cd8 | 566 | register char *s; |
1a30305b | 567 | char *scriptname = NULL; |
a0d0e21e | 568 | VOL bool dosearch = FALSE; |
13281fa4 | 569 | char *validarg = ""; |
2ae324a7 | 570 | I32 oldscope; |
748a9306 | 571 | AV* comppadlist; |
54310121 | 572 | dJMPENV; |
22921e25 | 573 | int ret; |
8d063cd8 | 574 | |
a687059c LW |
575 | #ifdef SETUID_SCRIPTS_ARE_SECURE_NOW |
576 | #ifdef IAMSUID | |
577 | #undef IAMSUID | |
463ee0b2 | 578 | croak("suidperl is no longer needed since the kernel can now execute\n\ |
a687059c LW |
579 | setuid perl scripts securely.\n"); |
580 | #endif | |
581 | #endif | |
582 | ||
79072805 LW |
583 | if (!(curinterp = sv_interp)) |
584 | return 255; | |
585 | ||
6e72f9df | 586 | #if defined(NeXT) && defined(__DYNAMIC__) |
587 | _dyld_lookup_and_bind | |
588 | ("__environ", (unsigned long *) &environ_pointer, NULL); | |
589 | #endif /* environ */ | |
590 | ||
ac58e20f LW |
591 | origargv = argv; |
592 | origargc = argc; | |
a0d0e21e | 593 | #ifndef VMS /* VMS doesn't have environ array */ |
fe14fcc3 | 594 | origenviron = environ; |
a0d0e21e | 595 | #endif |
ab821d7f | 596 | e_tmpname = Nullch; |
a0d0e21e LW |
597 | |
598 | if (do_undump) { | |
599 | ||
600 | /* Come here if running an undumped a.out. */ | |
601 | ||
602 | origfilename = savepv(argv[0]); | |
603 | do_undump = FALSE; | |
604 | cxstack_ix = -1; /* start label stack again */ | |
748a9306 | 605 | init_ids(); |
a0d0e21e LW |
606 | init_postdump_symbols(argc,argv,env); |
607 | return 0; | |
608 | } | |
609 | ||
ff0cee69 | 610 | if (main_root) { |
611 | curpad = AvARRAY(comppad); | |
a0d0e21e | 612 | op_free(main_root); |
ff0cee69 | 613 | main_root = Nullop; |
614 | } | |
615 | main_start = Nullop; | |
616 | SvREFCNT_dec(main_cv); | |
617 | main_cv = Nullcv; | |
79072805 | 618 | |
f86702cc | 619 | time(&basetime); |
2ae324a7 | 620 | oldscope = scopestack_ix; |
f86702cc | 621 | |
22921e25 CS |
622 | JMPENV_PUSH(ret); |
623 | switch (ret) { | |
79072805 | 624 | case 1: |
f86702cc | 625 | STATUS_ALL_FAILURE; |
626 | /* FALL THROUGH */ | |
79072805 | 627 | case 2: |
f86702cc | 628 | /* my_exit() was called */ |
2ae324a7 | 629 | while (scopestack_ix > oldscope) |
630 | LEAVE; | |
84902520 | 631 | FREETMPS; |
8990e307 LW |
632 | curstash = defstash; |
633 | if (endav) | |
68dc0745 | 634 | call_list(oldscope, endav); |
54310121 | 635 | JMPENV_POP; |
f86702cc | 636 | return STATUS_NATIVE_EXPORT; |
79072805 | 637 | case 3: |
54310121 | 638 | JMPENV_POP; |
760ac839 | 639 | PerlIO_printf(PerlIO_stderr(), "panic: top_env\n"); |
8990e307 | 640 | return 1; |
79072805 LW |
641 | } |
642 | ||
79072805 LW |
643 | sv_setpvn(linestr,"",0); |
644 | sv = newSVpv("",0); /* first used for -I flags */ | |
8990e307 | 645 | SAVEFREESV(sv); |
79072805 | 646 | init_main_stash(); |
54310121 | 647 | |
33b78306 | 648 | for (argc--,argv++; argc > 0; argc--,argv++) { |
8d063cd8 LW |
649 | if (argv[0][0] != '-' || !argv[0][1]) |
650 | break; | |
13281fa4 LW |
651 | #ifdef DOSUID |
652 | if (*validarg) | |
653 | validarg = " PHOOEY "; | |
654 | else | |
655 | validarg = argv[0]; | |
656 | #endif | |
657 | s = argv[0]+1; | |
8d063cd8 | 658 | reswitch: |
13281fa4 | 659 | switch (*s) { |
27e2fb84 | 660 | case '0': |
2304df62 | 661 | case 'F': |
378cc40b | 662 | case 'a': |
33b78306 | 663 | case 'c': |
a687059c | 664 | case 'd': |
8d063cd8 | 665 | case 'D': |
4633a7c4 | 666 | case 'h': |
33b78306 | 667 | case 'i': |
fe14fcc3 | 668 | case 'l': |
1a30305b | 669 | case 'M': |
670 | case 'm': | |
33b78306 LW |
671 | case 'n': |
672 | case 'p': | |
79072805 | 673 | case 's': |
33b78306 LW |
674 | case 'u': |
675 | case 'U': | |
676 | case 'v': | |
677 | case 'w': | |
678 | if (s = moreswitches(s)) | |
679 | goto reswitch; | |
8d063cd8 | 680 | break; |
33b78306 | 681 | |
f86702cc | 682 | case 'T': |
683 | tainting = TRUE; | |
684 | s++; | |
685 | goto reswitch; | |
686 | ||
8d063cd8 | 687 | case 'e': |
a687059c | 688 | if (euid != uid || egid != gid) |
463ee0b2 | 689 | croak("No -e allowed in setuid scripts"); |
8d063cd8 | 690 | if (!e_fp) { |
a0d0e21e | 691 | e_tmpname = savepv(TMPPATH); |
6ad3d225 | 692 | (void)PerlLIO_mktemp(e_tmpname); |
83025b21 | 693 | if (!*e_tmpname) |
463ee0b2 | 694 | croak("Can't mktemp()"); |
760ac839 | 695 | e_fp = PerlIO_open(e_tmpname,"w"); |
33b78306 | 696 | if (!e_fp) |
463ee0b2 | 697 | croak("Cannot open temporary file"); |
8d063cd8 | 698 | } |
552a7a9b | 699 | if (*++s) |
700 | PerlIO_puts(e_fp,s); | |
701 | else if (argv[1]) { | |
760ac839 | 702 | PerlIO_puts(e_fp,argv[1]); |
33b78306 LW |
703 | argc--,argv++; |
704 | } | |
552a7a9b | 705 | else |
706 | croak("No code specified for -e"); | |
760ac839 | 707 | (void)PerlIO_putc(e_fp,'\n'); |
8d063cd8 | 708 | break; |
fb73857a | 709 | case 'I': /* -I handled both here and in moreswitches() */ |
bbce6d69 | 710 | forbid_setid("-I"); |
fb73857a | 711 | if (!*++s && (s=argv[1]) != Nullch) { |
8d063cd8 | 712 | argc--,argv++; |
8d063cd8 | 713 | } |
fb73857a | 714 | while (s && isSPACE(*s)) |
715 | ++s; | |
716 | if (s && *s) { | |
717 | char *e, *p; | |
718 | for (e = s; *e && !isSPACE(*e); e++) ; | |
719 | p = savepvn(s, e-s); | |
720 | incpush(p, TRUE); | |
721 | sv_catpv(sv,"-I"); | |
722 | sv_catpv(sv,p); | |
723 | sv_catpv(sv," "); | |
724 | Safefree(p); | |
725 | } /* XXX else croak? */ | |
8d063cd8 | 726 | break; |
8d063cd8 | 727 | case 'P': |
bbce6d69 | 728 | forbid_setid("-P"); |
8d063cd8 | 729 | preprocess = TRUE; |
13281fa4 | 730 | s++; |
8d063cd8 | 731 | goto reswitch; |
378cc40b | 732 | case 'S': |
bbce6d69 | 733 | forbid_setid("-S"); |
378cc40b | 734 | dosearch = TRUE; |
13281fa4 | 735 | s++; |
378cc40b | 736 | goto reswitch; |
1a30305b | 737 | case 'V': |
738 | if (!preambleav) | |
739 | preambleav = newAV(); | |
740 | av_push(preambleav, newSVpv("use Config qw(myconfig config_vars)",0)); | |
741 | if (*++s != ':') { | |
6e72f9df | 742 | Sv = newSVpv("print myconfig();",0); |
743 | #ifdef VMS | |
744 | sv_catpv(Sv,"print \"\\nCharacteristics of this PERLSHR image: \\n\","); | |
745 | #else | |
746 | sv_catpv(Sv,"print \"\\nCharacteristics of this binary (from libperl): \\n\","); | |
747 | #endif | |
54310121 | 748 | #if defined(DEBUGGING) || defined(NO_EMBED) || defined(MULTIPLICITY) |
46fc3d4c | 749 | sv_catpv(Sv,"\" Compile-time options:"); |
6e72f9df | 750 | # ifdef DEBUGGING |
46fc3d4c | 751 | sv_catpv(Sv," DEBUGGING"); |
6e72f9df | 752 | # endif |
54310121 | 753 | # ifdef NO_EMBED |
46fc3d4c | 754 | sv_catpv(Sv," NO_EMBED"); |
6e72f9df | 755 | # endif |
756 | # ifdef MULTIPLICITY | |
46fc3d4c | 757 | sv_catpv(Sv," MULTIPLICITY"); |
6e72f9df | 758 | # endif |
46fc3d4c | 759 | sv_catpv(Sv,"\\n\","); |
6e72f9df | 760 | #endif |
761 | #if defined(LOCAL_PATCH_COUNT) | |
54310121 | 762 | if (LOCAL_PATCH_COUNT > 0) { |
763 | int i; | |
5cd24f17 | 764 | sv_catpv(Sv,"\" Locally applied patches:\\n\","); |
6e72f9df | 765 | for (i = 1; i <= LOCAL_PATCH_COUNT; i++) { |
46fc3d4c | 766 | if (localpatches[i]) |
767 | sv_catpvf(Sv,"\" \\t%s\\n\",",localpatches[i]); | |
6e72f9df | 768 | } |
769 | } | |
770 | #endif | |
46fc3d4c | 771 | sv_catpvf(Sv,"\" Built under %s\\n\"",OSNAME); |
6e72f9df | 772 | #ifdef __DATE__ |
773 | # ifdef __TIME__ | |
46fc3d4c | 774 | sv_catpvf(Sv,",\" Compiled at %s %s\\n\"",__DATE__,__TIME__); |
6e72f9df | 775 | # else |
46fc3d4c | 776 | sv_catpvf(Sv,",\" Compiled on %s\\n\"",__DATE__); |
6e72f9df | 777 | # endif |
6e72f9df | 778 | #endif |
54310121 | 779 | sv_catpv(Sv, "; \ |
780 | $\"=\"\\n \"; \ | |
781 | @env = map { \"$_=\\\"$ENV{$_}\\\"\" } sort grep {/^PERL/} keys %ENV; \ | |
782 | print \" \\%ENV:\\n @env\\n\" if @env; \ | |
783 | print \" \\@INC:\\n @INC\\n\";"); | |
1a30305b | 784 | } |
785 | else { | |
786 | Sv = newSVpv("config_vars(qw(",0); | |
787 | sv_catpv(Sv, ++s); | |
788 | sv_catpv(Sv, "))"); | |
789 | s += strlen(s); | |
790 | } | |
791 | av_push(preambleav, Sv); | |
c07a80fd | 792 | scriptname = BIT_BUCKET; /* don't look for script or read stdin */ |
1a30305b | 793 | goto reswitch; |
33b78306 LW |
794 | case 'x': |
795 | doextract = TRUE; | |
13281fa4 | 796 | s++; |
33b78306 | 797 | if (*s) |
a0d0e21e | 798 | cddir = savepv(s); |
33b78306 | 799 | break; |
8d063cd8 LW |
800 | case 0: |
801 | break; | |
fb73857a | 802 | case '-': |
803 | if (!*++s || isSPACE(*s)) { | |
804 | argc--,argv++; | |
805 | goto switch_end; | |
806 | } | |
807 | /* catch use of gnu style long options */ | |
808 | if (strEQ(s, "version")) { | |
809 | s = "v"; | |
810 | goto reswitch; | |
811 | } | |
812 | if (strEQ(s, "help")) { | |
813 | s = "h"; | |
814 | goto reswitch; | |
815 | } | |
816 | s--; | |
817 | /* FALL THROUGH */ | |
8d063cd8 | 818 | default: |
90248788 | 819 | croak("Unrecognized switch: -%s (-h will show valid options)",s); |
8d063cd8 LW |
820 | } |
821 | } | |
822 | switch_end: | |
54310121 | 823 | |
6ad3d225 | 824 | if (!tainting && (s = PerlENV_getenv("PERL5OPT"))) { |
fb73857a | 825 | while (s && *s) { |
54310121 | 826 | while (isSPACE(*s)) |
827 | s++; | |
828 | if (*s == '-') { | |
829 | s++; | |
830 | if (isSPACE(*s)) | |
831 | continue; | |
832 | } | |
833 | if (!*s) | |
834 | break; | |
835 | if (!strchr("DIMUdmw", *s)) | |
836 | croak("Illegal switch in PERL5OPT: -%c", *s); | |
837 | s = moreswitches(s); | |
838 | } | |
839 | } | |
840 | ||
1a30305b | 841 | if (!scriptname) |
842 | scriptname = argv[0]; | |
8d063cd8 | 843 | if (e_fp) { |
68dc0745 | 844 | if (PerlIO_flush(e_fp) || PerlIO_error(e_fp) || PerlIO_close(e_fp)) { |
845 | #ifndef MULTIPLICITY | |
846 | warn("Did you forget to compile with -DMULTIPLICITY?"); | |
847 | #endif | |
2304df62 | 848 | croak("Can't write to temp file for -e: %s", Strerror(errno)); |
68dc0745 | 849 | } |
ab821d7f | 850 | e_fp = Nullfp; |
8d063cd8 | 851 | argc++,argv--; |
45d8adaa | 852 | scriptname = e_tmpname; |
8d063cd8 | 853 | } |
79072805 LW |
854 | else if (scriptname == Nullch) { |
855 | #ifdef MSDOS | |
6ad3d225 | 856 | if ( PerlLIO_isatty(PerlIO_fileno(PerlIO_stdin())) ) |
55497cff | 857 | moreswitches("h"); |
fe14fcc3 | 858 | #endif |
79072805 LW |
859 | scriptname = "-"; |
860 | } | |
fe14fcc3 | 861 | |
79072805 | 862 | init_perllib(); |
8d063cd8 | 863 | |
79072805 | 864 | open_script(scriptname,dosearch,sv); |
8d063cd8 | 865 | |
96436eeb | 866 | validate_suid(validarg, scriptname); |
378cc40b | 867 | |
79072805 LW |
868 | if (doextract) |
869 | find_beginning(); | |
870 | ||
4fdae800 | 871 | main_cv = compcv = (CV*)NEWSV(1104,0); |
748a9306 | 872 | sv_upgrade((SV *)compcv, SVt_PVCV); |
07055b4c | 873 | CvUNIQUE_on(compcv); |
748a9306 | 874 | |
6e72f9df | 875 | comppad = newAV(); |
79072805 LW |
876 | av_push(comppad, Nullsv); |
877 | curpad = AvARRAY(comppad); | |
6e72f9df | 878 | comppad_name = newAV(); |
8990e307 | 879 | comppad_name_fill = 0; |
e858de61 MB |
880 | min_intro_pending = 0; |
881 | padix = 0; | |
11343788 MB |
882 | #ifdef USE_THREADS |
883 | av_store(comppad_name, 0, newSVpv("@_", 2)); | |
e858de61 | 884 | curpad[0] = (SV*)newAV(); |
6d4ff0d2 | 885 | SvPADMY_on(curpad[0]); /* XXX Needed? */ |
e858de61 | 886 | CvOWNER(compcv) = 0; |
12ca11f6 | 887 | New(666, CvMUTEXP(compcv), 1, perl_mutex); |
e858de61 | 888 | MUTEX_INIT(CvMUTEXP(compcv)); |
11343788 | 889 | #endif /* USE_THREADS */ |
79072805 | 890 | |
748a9306 LW |
891 | comppadlist = newAV(); |
892 | AvREAL_off(comppadlist); | |
8e07c86e AD |
893 | av_store(comppadlist, 0, (SV*)comppad_name); |
894 | av_store(comppadlist, 1, (SV*)comppad); | |
748a9306 LW |
895 | CvPADLIST(compcv) = comppadlist; |
896 | ||
6e72f9df | 897 | boot_core_UNIVERSAL(); |
a0d0e21e LW |
898 | if (xsinit) |
899 | (*xsinit)(); /* in case linked C routines want magical variables */ | |
39e571d4 | 900 | #if defined(VMS) || defined(WIN32) || defined(DJGPP) |
748a9306 LW |
901 | init_os_extras(); |
902 | #endif | |
93a17b20 | 903 | |
77a005ab | 904 | #if defined(DEBUGGING) && defined(USE_THREADS) && defined(__linux__) |
6ad3d225 | 905 | DEBUG_L(PerlProc_signal(SIGSEGV, (void(*)(int))catch_sigsegv);); |
77a005ab MB |
906 | #endif |
907 | ||
93a17b20 | 908 | init_predump_symbols(); |
8990e307 LW |
909 | if (!do_undump) |
910 | init_postdump_symbols(argc,argv,env); | |
93a17b20 | 911 | |
79072805 LW |
912 | init_lexer(); |
913 | ||
914 | /* now parse the script */ | |
915 | ||
61bb5906 | 916 | SETERRNO(0,SS$_NORMAL); |
79072805 LW |
917 | error_count = 0; |
918 | if (yyparse() || error_count) { | |
919 | if (minus_c) | |
463ee0b2 | 920 | croak("%s had compilation errors.\n", origfilename); |
79072805 | 921 | else { |
463ee0b2 | 922 | croak("Execution of %s aborted due to compilation errors.\n", |
79072805 | 923 | origfilename); |
378cc40b | 924 | } |
79072805 LW |
925 | } |
926 | curcop->cop_line = 0; | |
927 | curstash = defstash; | |
928 | preprocess = FALSE; | |
ab821d7f | 929 | if (e_tmpname) { |
79072805 | 930 | (void)UNLINK(e_tmpname); |
ab821d7f | 931 | Safefree(e_tmpname); |
932 | e_tmpname = Nullch; | |
378cc40b | 933 | } |
a687059c | 934 | |
93a17b20 | 935 | /* now that script is parsed, we can modify record separator */ |
c07a80fd | 936 | SvREFCNT_dec(rs); |
937 | rs = SvREFCNT_inc(nrs); | |
a863c7d1 | 938 | #ifdef USE_THREADS |
54b9620d | 939 | sv_setsv(*av_fetch(thr->threadsv, find_threadsv("/"), FALSE), rs); |
a863c7d1 | 940 | #else |
c07a80fd | 941 | sv_setsv(GvSV(gv_fetchpv("/", TRUE, SVt_PV)), rs); |
a863c7d1 | 942 | #endif /* USE_THREADS */ |
79072805 LW |
943 | if (do_undump) |
944 | my_unexec(); | |
945 | ||
8990e307 LW |
946 | if (dowarn) |
947 | gv_check(defstash); | |
948 | ||
a0d0e21e LW |
949 | LEAVE; |
950 | FREETMPS; | |
c07a80fd | 951 | |
3562ef9b | 952 | #ifdef MYMALLOC |
6ad3d225 | 953 | if ((s=PerlENV_getenv("PERL_DEBUG_MSTATS")) && atoi(s) >= 2) |
c07a80fd | 954 | dump_mstats("after compilation:"); |
955 | #endif | |
956 | ||
a0d0e21e LW |
957 | ENTER; |
958 | restartop = 0; | |
54310121 | 959 | JMPENV_POP; |
79072805 LW |
960 | return 0; |
961 | } | |
962 | ||
963 | int | |
8ac85365 | 964 | perl_run(PerlInterpreter *sv_interp) |
79072805 | 965 | { |
11343788 | 966 | dTHR; |
2ae324a7 | 967 | I32 oldscope; |
22921e25 CS |
968 | dJMPENV; |
969 | int ret; | |
2ae324a7 | 970 | |
79072805 LW |
971 | if (!(curinterp = sv_interp)) |
972 | return 255; | |
2ae324a7 | 973 | |
974 | oldscope = scopestack_ix; | |
975 | ||
22921e25 CS |
976 | JMPENV_PUSH(ret); |
977 | switch (ret) { | |
79072805 LW |
978 | case 1: |
979 | cxstack_ix = -1; /* start context stack again */ | |
980 | break; | |
981 | case 2: | |
f86702cc | 982 | /* my_exit() was called */ |
2ae324a7 | 983 | while (scopestack_ix > oldscope) |
984 | LEAVE; | |
84902520 | 985 | FREETMPS; |
79072805 | 986 | curstash = defstash; |
93a17b20 | 987 | if (endav) |
68dc0745 | 988 | call_list(oldscope, endav); |
3562ef9b | 989 | #ifdef MYMALLOC |
6ad3d225 | 990 | if (PerlENV_getenv("PERL_DEBUG_MSTATS")) |
c07a80fd | 991 | dump_mstats("after execution: "); |
992 | #endif | |
54310121 | 993 | JMPENV_POP; |
f86702cc | 994 | return STATUS_NATIVE_EXPORT; |
79072805 LW |
995 | case 3: |
996 | if (!restartop) { | |
760ac839 | 997 | PerlIO_printf(PerlIO_stderr(), "panic: restartop\n"); |
a0d0e21e | 998 | FREETMPS; |
54310121 | 999 | JMPENV_POP; |
8990e307 | 1000 | return 1; |
83025b21 | 1001 | } |
6e72f9df | 1002 | if (curstack != mainstack) { |
79072805 | 1003 | dSP; |
6e72f9df | 1004 | SWITCHSTACK(curstack, mainstack); |
79072805 LW |
1005 | } |
1006 | break; | |
8d063cd8 | 1007 | } |
79072805 | 1008 | |
fb73857a | 1009 | DEBUG_r(PerlIO_printf(Perl_debug_log, "%s $` $& $' support.\n", |
6e72f9df | 1010 | sawampersand ? "Enabling" : "Omitting")); |
1011 | ||
79072805 LW |
1012 | if (!restartop) { |
1013 | DEBUG_x(dump_all()); | |
760ac839 | 1014 | DEBUG(PerlIO_printf(Perl_debug_log, "\nEXECUTING...\n\n")); |
11343788 | 1015 | #ifdef USE_THREADS |
5dc0d613 MB |
1016 | DEBUG_L(PerlIO_printf(Perl_debug_log, "main thread is 0x%lx\n", |
1017 | (unsigned long) thr)); | |
11343788 | 1018 | #endif /* USE_THREADS */ |
79072805 LW |
1019 | |
1020 | if (minus_c) { | |
760ac839 | 1021 | PerlIO_printf(PerlIO_stderr(), "%s syntax OK\n", origfilename); |
79072805 LW |
1022 | my_exit(0); |
1023 | } | |
84902520 | 1024 | if (PERLDB_SINGLE && DBsingle) |
a0d0e21e | 1025 | sv_setiv(DBsingle, 1); |
7d07dbc2 MB |
1026 | if (initav) |
1027 | call_list(oldscope, initav); | |
45d8adaa | 1028 | } |
79072805 LW |
1029 | |
1030 | /* do it */ | |
1031 | ||
1032 | if (restartop) { | |
1033 | op = restartop; | |
1034 | restartop = 0; | |
ab821d7f | 1035 | runops(); |
79072805 LW |
1036 | } |
1037 | else if (main_start) { | |
4fdae800 | 1038 | CvDEPTH(main_cv) = 1; |
79072805 | 1039 | op = main_start; |
ab821d7f | 1040 | runops(); |
79072805 | 1041 | } |
79072805 LW |
1042 | |
1043 | my_exit(0); | |
54310121 | 1044 | /* NOTREACHED */ |
a0d0e21e | 1045 | return 0; |
79072805 LW |
1046 | } |
1047 | ||
a0d0e21e | 1048 | SV* |
8ac85365 | 1049 | perl_get_sv(char *name, I32 create) |
a0d0e21e | 1050 | { |
2faa37cc | 1051 | GV *gv; |
38a03e6e | 1052 | #ifdef USE_THREADS |
2faa37cc | 1053 | if (name[1] == '\0' && !isALPHA(name[0])) { |
54b9620d | 1054 | PADOFFSET tmp = find_threadsv(name); |
2faa37cc MB |
1055 | if (tmp != NOT_IN_PAD) { |
1056 | dTHR; | |
54b9620d | 1057 | return *av_fetch(thr->threadsv, tmp, FALSE); |
2faa37cc | 1058 | } |
38a03e6e MB |
1059 | } |
1060 | #endif /* USE_THREADS */ | |
2faa37cc | 1061 | gv = gv_fetchpv(name, create, SVt_PV); |
a0d0e21e LW |
1062 | if (gv) |
1063 | return GvSV(gv); | |
1064 | return Nullsv; | |
1065 | } | |
1066 | ||
1067 | AV* | |
8ac85365 | 1068 | perl_get_av(char *name, I32 create) |
a0d0e21e LW |
1069 | { |
1070 | GV* gv = gv_fetchpv(name, create, SVt_PVAV); | |
1071 | if (create) | |
1072 | return GvAVn(gv); | |
1073 | if (gv) | |
1074 | return GvAV(gv); | |
1075 | return Nullav; | |
1076 | } | |
1077 | ||
1078 | HV* | |
8ac85365 | 1079 | perl_get_hv(char *name, I32 create) |
a0d0e21e LW |
1080 | { |
1081 | GV* gv = gv_fetchpv(name, create, SVt_PVHV); | |
1082 | if (create) | |
1083 | return GvHVn(gv); | |
1084 | if (gv) | |
1085 | return GvHV(gv); | |
1086 | return Nullhv; | |
1087 | } | |
1088 | ||
1089 | CV* | |
8ac85365 | 1090 | perl_get_cv(char *name, I32 create) |
a0d0e21e LW |
1091 | { |
1092 | GV* gv = gv_fetchpv(name, create, SVt_PVCV); | |
8ebc5c01 | 1093 | if (create && !GvCVu(gv)) |
774d564b | 1094 | return newSUB(start_subparse(FALSE, 0), |
a0d0e21e | 1095 | newSVOP(OP_CONST, 0, newSVpv(name,0)), |
4633a7c4 | 1096 | Nullop, |
a0d0e21e LW |
1097 | Nullop); |
1098 | if (gv) | |
8ebc5c01 | 1099 | return GvCVu(gv); |
a0d0e21e LW |
1100 | return Nullcv; |
1101 | } | |
1102 | ||
79072805 LW |
1103 | /* Be sure to refetch the stack pointer after calling these routines. */ |
1104 | ||
a0d0e21e | 1105 | I32 |
22239a37 | 1106 | perl_call_argv(char *sub_name, I32 flags, register char **argv) |
8ac85365 NIS |
1107 | |
1108 | /* See G_* flags in cop.h */ | |
1109 | /* null terminated arg list */ | |
8990e307 | 1110 | { |
a0d0e21e | 1111 | dSP; |
8990e307 | 1112 | |
a0d0e21e LW |
1113 | PUSHMARK(sp); |
1114 | if (argv) { | |
8990e307 | 1115 | while (*argv) { |
a0d0e21e | 1116 | XPUSHs(sv_2mortal(newSVpv(*argv,0))); |
8990e307 LW |
1117 | argv++; |
1118 | } | |
a0d0e21e | 1119 | PUTBACK; |
8990e307 | 1120 | } |
22239a37 | 1121 | return perl_call_pv(sub_name, flags); |
8990e307 LW |
1122 | } |
1123 | ||
a0d0e21e | 1124 | I32 |
22239a37 | 1125 | perl_call_pv(char *sub_name, I32 flags) |
8ac85365 NIS |
1126 | /* name of the subroutine */ |
1127 | /* See G_* flags in cop.h */ | |
a0d0e21e | 1128 | { |
22239a37 | 1129 | return perl_call_sv((SV*)perl_get_cv(sub_name, TRUE), flags); |
a0d0e21e LW |
1130 | } |
1131 | ||
1132 | I32 | |
8ac85365 NIS |
1133 | perl_call_method(char *methname, I32 flags) |
1134 | /* name of the subroutine */ | |
1135 | /* See G_* flags in cop.h */ | |
a0d0e21e LW |
1136 | { |
1137 | dSP; | |
1138 | OP myop; | |
1139 | if (!op) | |
1140 | op = &myop; | |
1141 | XPUSHs(sv_2mortal(newSVpv(methname,0))); | |
1142 | PUTBACK; | |
11343788 | 1143 | pp_method(ARGS); |
a0d0e21e LW |
1144 | return perl_call_sv(*stack_sp--, flags); |
1145 | } | |
1146 | ||
1147 | /* May be called with any of a CV, a GV, or an SV containing the name. */ | |
1148 | I32 | |
8ac85365 NIS |
1149 | perl_call_sv(SV *sv, I32 flags) |
1150 | ||
1151 | /* See G_* flags in cop.h */ | |
a0d0e21e | 1152 | { |
11343788 | 1153 | dTHR; |
a0d0e21e LW |
1154 | LOGOP myop; /* fake syntax tree node */ |
1155 | SV** sp = stack_sp; | |
aa689395 | 1156 | I32 oldmark; |
a0d0e21e | 1157 | I32 retval; |
a0d0e21e | 1158 | I32 oldscope; |
6e72f9df | 1159 | static CV *DBcv; |
54310121 | 1160 | bool oldcatch = CATCH_GET; |
1161 | dJMPENV; | |
22921e25 | 1162 | int ret; |
d6602a8c | 1163 | OP* oldop = op; |
1e422769 | 1164 | |
a0d0e21e LW |
1165 | if (flags & G_DISCARD) { |
1166 | ENTER; | |
1167 | SAVETMPS; | |
1168 | } | |
1169 | ||
aa689395 | 1170 | Zero(&myop, 1, LOGOP); |
54310121 | 1171 | myop.op_next = Nullop; |
f51d4af5 | 1172 | if (!(flags & G_NOARGS)) |
aa689395 | 1173 | myop.op_flags |= OPf_STACKED; |
54310121 | 1174 | myop.op_flags |= ((flags & G_VOID) ? OPf_WANT_VOID : |
1175 | (flags & G_ARRAY) ? OPf_WANT_LIST : | |
1176 | OPf_WANT_SCALAR); | |
462e5cf6 | 1177 | SAVEOP(); |
a0d0e21e | 1178 | op = (OP*)&myop; |
aa689395 | 1179 | |
a0d0e21e LW |
1180 | EXTEND(stack_sp, 1); |
1181 | *++stack_sp = sv; | |
aa689395 | 1182 | oldmark = TOPMARK; |
a0d0e21e LW |
1183 | oldscope = scopestack_ix; |
1184 | ||
84902520 | 1185 | if (PERLDB_SUB && curstash != debstash |
36477c24 | 1186 | /* Handle first BEGIN of -d. */ |
1187 | && (DBcv || (DBcv = GvCV(DBsub))) | |
1188 | /* Try harder, since this may have been a sighandler, thus | |
1189 | * curstash may be meaningless. */ | |
1190 | && (SvTYPE(sv) != SVt_PVCV || CvSTASH((CV*)sv) != debstash)) | |
6e72f9df | 1191 | op->op_private |= OPpENTERSUB_DB; |
a0d0e21e LW |
1192 | |
1193 | if (flags & G_EVAL) { | |
a0d0e21e LW |
1194 | cLOGOP->op_other = op; |
1195 | markstack_ptr--; | |
4633a7c4 LW |
1196 | /* we're trying to emulate pp_entertry() here */ |
1197 | { | |
c09156bb | 1198 | register PERL_CONTEXT *cx; |
54310121 | 1199 | I32 gimme = GIMME_V; |
4633a7c4 LW |
1200 | |
1201 | ENTER; | |
1202 | SAVETMPS; | |
1203 | ||
1204 | push_return(op->op_next); | |
1205 | PUSHBLOCK(cx, CXt_EVAL, stack_sp); | |
1206 | PUSHEVAL(cx, 0, 0); | |
1207 | eval_root = op; /* Only needed so that goto works right. */ | |
1208 | ||
1209 | in_eval = 1; | |
1210 | if (flags & G_KEEPERR) | |
1211 | in_eval |= 4; | |
1212 | else | |
38a03e6e | 1213 | sv_setpv(ERRSV,""); |
4633a7c4 | 1214 | } |
a0d0e21e LW |
1215 | markstack_ptr++; |
1216 | ||
22921e25 CS |
1217 | JMPENV_PUSH(ret); |
1218 | switch (ret) { | |
a0d0e21e LW |
1219 | case 0: |
1220 | break; | |
1221 | case 1: | |
f86702cc | 1222 | STATUS_ALL_FAILURE; |
a0d0e21e LW |
1223 | /* FALL THROUGH */ |
1224 | case 2: | |
1225 | /* my_exit() was called */ | |
1226 | curstash = defstash; | |
1227 | FREETMPS; | |
54310121 | 1228 | JMPENV_POP; |
a0d0e21e LW |
1229 | if (statusvalue) |
1230 | croak("Callback called exit"); | |
f86702cc | 1231 | my_exit_jump(); |
a0d0e21e LW |
1232 | /* NOTREACHED */ |
1233 | case 3: | |
1234 | if (restartop) { | |
1235 | op = restartop; | |
1236 | restartop = 0; | |
54310121 | 1237 | break; |
a0d0e21e LW |
1238 | } |
1239 | stack_sp = stack_base + oldmark; | |
1240 | if (flags & G_ARRAY) | |
1241 | retval = 0; | |
1242 | else { | |
1243 | retval = 1; | |
1244 | *++stack_sp = &sv_undef; | |
1245 | } | |
1246 | goto cleanup; | |
1247 | } | |
1248 | } | |
1e422769 | 1249 | else |
54310121 | 1250 | CATCH_SET(TRUE); |
a0d0e21e LW |
1251 | |
1252 | if (op == (OP*)&myop) | |
11343788 | 1253 | op = pp_entersub(ARGS); |
a0d0e21e | 1254 | if (op) |
ab821d7f | 1255 | runops(); |
a0d0e21e | 1256 | retval = stack_sp - (stack_base + oldmark); |
4633a7c4 | 1257 | if ((flags & G_EVAL) && !(flags & G_KEEPERR)) |
38a03e6e | 1258 | sv_setpv(ERRSV,""); |
a0d0e21e LW |
1259 | |
1260 | cleanup: | |
1261 | if (flags & G_EVAL) { | |
1262 | if (scopestack_ix > oldscope) { | |
a0a2876f LW |
1263 | SV **newsp; |
1264 | PMOP *newpm; | |
1265 | I32 gimme; | |
c09156bb | 1266 | register PERL_CONTEXT *cx; |
a0a2876f LW |
1267 | I32 optype; |
1268 | ||
1269 | POPBLOCK(cx,newpm); | |
1270 | POPEVAL(cx); | |
1271 | pop_return(); | |
1272 | curpm = newpm; | |
1273 | LEAVE; | |
a0d0e21e | 1274 | } |
54310121 | 1275 | JMPENV_POP; |
a0d0e21e | 1276 | } |
1e422769 | 1277 | else |
54310121 | 1278 | CATCH_SET(oldcatch); |
1e422769 | 1279 | |
a0d0e21e LW |
1280 | if (flags & G_DISCARD) { |
1281 | stack_sp = stack_base + oldmark; | |
1282 | retval = 0; | |
1283 | FREETMPS; | |
1284 | LEAVE; | |
1285 | } | |
d6602a8c | 1286 | op = oldop; |
a0d0e21e LW |
1287 | return retval; |
1288 | } | |
1289 | ||
6e72f9df | 1290 | /* Eval a string. The G_EVAL flag is always assumed. */ |
8990e307 | 1291 | |
a0d0e21e | 1292 | I32 |
8ac85365 NIS |
1293 | perl_eval_sv(SV *sv, I32 flags) |
1294 | ||
1295 | /* See G_* flags in cop.h */ | |
a0d0e21e | 1296 | { |
11343788 | 1297 | dTHR; |
a0d0e21e | 1298 | UNOP myop; /* fake syntax tree node */ |
4633a7c4 LW |
1299 | SV** sp = stack_sp; |
1300 | I32 oldmark = sp - stack_base; | |
1301 | I32 retval; | |
4633a7c4 | 1302 | I32 oldscope; |
54310121 | 1303 | dJMPENV; |
22921e25 | 1304 | int ret; |
84902520 TB |
1305 | OP* oldop = op; |
1306 | ||
4633a7c4 LW |
1307 | if (flags & G_DISCARD) { |
1308 | ENTER; | |
1309 | SAVETMPS; | |
1310 | } | |
1311 | ||
462e5cf6 | 1312 | SAVEOP(); |
79072805 | 1313 | op = (OP*)&myop; |
a0d0e21e | 1314 | Zero(op, 1, UNOP); |
4633a7c4 LW |
1315 | EXTEND(stack_sp, 1); |
1316 | *++stack_sp = sv; | |
1317 | oldscope = scopestack_ix; | |
79072805 | 1318 | |
4633a7c4 LW |
1319 | if (!(flags & G_NOARGS)) |
1320 | myop.op_flags = OPf_STACKED; | |
79072805 | 1321 | myop.op_next = Nullop; |
6e72f9df | 1322 | myop.op_type = OP_ENTEREVAL; |
54310121 | 1323 | myop.op_flags |= ((flags & G_VOID) ? OPf_WANT_VOID : |
1324 | (flags & G_ARRAY) ? OPf_WANT_LIST : | |
1325 | OPf_WANT_SCALAR); | |
6e72f9df | 1326 | if (flags & G_KEEPERR) |
1327 | myop.op_flags |= OPf_SPECIAL; | |
4633a7c4 | 1328 | |
22921e25 CS |
1329 | JMPENV_PUSH(ret); |
1330 | switch (ret) { | |
4633a7c4 LW |
1331 | case 0: |
1332 | break; | |
1333 | case 1: | |
f86702cc | 1334 | STATUS_ALL_FAILURE; |
4633a7c4 LW |
1335 | /* FALL THROUGH */ |
1336 | case 2: | |
1337 | /* my_exit() was called */ | |
1338 | curstash = defstash; | |
1339 | FREETMPS; | |
54310121 | 1340 | JMPENV_POP; |
4633a7c4 LW |
1341 | if (statusvalue) |
1342 | croak("Callback called exit"); | |
f86702cc | 1343 | my_exit_jump(); |
4633a7c4 LW |
1344 | /* NOTREACHED */ |
1345 | case 3: | |
1346 | if (restartop) { | |
1347 | op = restartop; | |
1348 | restartop = 0; | |
54310121 | 1349 | break; |
4633a7c4 LW |
1350 | } |
1351 | stack_sp = stack_base + oldmark; | |
1352 | if (flags & G_ARRAY) | |
1353 | retval = 0; | |
1354 | else { | |
1355 | retval = 1; | |
1356 | *++stack_sp = &sv_undef; | |
1357 | } | |
1358 | goto cleanup; | |
1359 | } | |
1360 | ||
1361 | if (op == (OP*)&myop) | |
11343788 | 1362 | op = pp_entereval(ARGS); |
4633a7c4 | 1363 | if (op) |
ab821d7f | 1364 | runops(); |
4633a7c4 | 1365 | retval = stack_sp - (stack_base + oldmark); |
6e72f9df | 1366 | if (!(flags & G_KEEPERR)) |
38a03e6e | 1367 | sv_setpv(ERRSV,""); |
4633a7c4 LW |
1368 | |
1369 | cleanup: | |
54310121 | 1370 | JMPENV_POP; |
4633a7c4 LW |
1371 | if (flags & G_DISCARD) { |
1372 | stack_sp = stack_base + oldmark; | |
1373 | retval = 0; | |
1374 | FREETMPS; | |
1375 | LEAVE; | |
1376 | } | |
84902520 | 1377 | op = oldop; |
4633a7c4 LW |
1378 | return retval; |
1379 | } | |
1380 | ||
137443ea | 1381 | SV* |
8ac85365 | 1382 | perl_eval_pv(char *p, I32 croak_on_error) |
137443ea | 1383 | { |
1384 | dSP; | |
1385 | SV* sv = newSVpv(p, 0); | |
1386 | ||
1387 | PUSHMARK(sp); | |
1388 | perl_eval_sv(sv, G_SCALAR); | |
1389 | SvREFCNT_dec(sv); | |
1390 | ||
1391 | SPAGAIN; | |
1392 | sv = POPs; | |
1393 | PUTBACK; | |
1394 | ||
38a03e6e MB |
1395 | if (croak_on_error && SvTRUE(ERRSV)) |
1396 | croak(SvPVx(ERRSV, na)); | |
137443ea | 1397 | |
1398 | return sv; | |
1399 | } | |
1400 | ||
4633a7c4 LW |
1401 | /* Require a module. */ |
1402 | ||
1403 | void | |
8ac85365 | 1404 | perl_require_pv(char *pv) |
4633a7c4 LW |
1405 | { |
1406 | SV* sv = sv_newmortal(); | |
1407 | sv_setpv(sv, "require '"); | |
1408 | sv_catpv(sv, pv); | |
1409 | sv_catpv(sv, "'"); | |
1410 | perl_eval_sv(sv, G_DISCARD); | |
79072805 LW |
1411 | } |
1412 | ||
79072805 | 1413 | void |
8ac85365 | 1414 | magicname(char *sym, char *name, I32 namlen) |
79072805 LW |
1415 | { |
1416 | register GV *gv; | |
1417 | ||
85e6fe83 | 1418 | if (gv = gv_fetchpv(sym,TRUE, SVt_PV)) |
79072805 LW |
1419 | sv_magic(GvSV(gv), (SV*)gv, 0, name, namlen); |
1420 | } | |
1421 | ||
ab821d7f | 1422 | static void |
8ac85365 NIS |
1423 | usage(char *name) /* XXX move this out into a module ? */ |
1424 | ||
4633a7c4 | 1425 | { |
ab821d7f | 1426 | /* This message really ought to be max 23 lines. |
1427 | * Removed -h because the user already knows that opton. Others? */ | |
fb73857a | 1428 | |
1429 | static char *usage[] = { | |
1430 | "-0[octal] specify record separator (\\0, if no argument)", | |
1431 | "-a autosplit mode with -n or -p (splits $_ into @F)", | |
1432 | "-c check syntax only (runs BEGIN and END blocks)", | |
1433 | "-d[:debugger] run scripts under debugger", | |
1434 | "-D[number/list] set debugging flags (argument is a bit mask or flags)", | |
1435 | "-e 'command' one line of script. Several -e's allowed. Omit [programfile].", | |
1436 | "-F/pattern/ split() pattern for autosplit (-a). The //'s are optional.", | |
1437 | "-i[extension] edit <> files in place (make backup if extension supplied)", | |
1438 | "-Idirectory specify @INC/#include directory (may be used more than once)", | |
1439 | "-l[octal] enable line ending processing, specifies line terminator", | |
1440 | "-[mM][-]module.. executes `use/no module...' before executing your script.", | |
1441 | "-n assume 'while (<>) { ... }' loop around your script", | |
1442 | "-p assume loop like -n but print line also like sed", | |
1443 | "-P run script through C preprocessor before compilation", | |
1444 | "-s enable some switch parsing for switches after script name", | |
1445 | "-S look for the script using PATH environment variable", | |
1446 | "-T turn on tainting checks", | |
1447 | "-u dump core after parsing script", | |
1448 | "-U allow unsafe operations", | |
1449 | "-v print version number and patchlevel of perl", | |
1450 | "-V[:variable] print perl configuration information", | |
1451 | "-w TURN WARNINGS ON FOR COMPILATION OF YOUR SCRIPT. Recommended.", | |
1452 | "-x[directory] strip off text before #!perl line and perhaps cd to directory", | |
1453 | "\n", | |
1454 | NULL | |
1455 | }; | |
1456 | char **p = usage; | |
1457 | ||
ab821d7f | 1458 | printf("\nUsage: %s [switches] [--] [programfile] [arguments]", name); |
fb73857a | 1459 | while (*p) |
1460 | printf("\n %s", *p++); | |
4633a7c4 LW |
1461 | } |
1462 | ||
79072805 LW |
1463 | /* This routine handles any switches that can be given during run */ |
1464 | ||
1465 | char * | |
8ac85365 | 1466 | moreswitches(char *s) |
79072805 LW |
1467 | { |
1468 | I32 numlen; | |
c07a80fd | 1469 | U32 rschar; |
79072805 LW |
1470 | |
1471 | switch (*s) { | |
1472 | case '0': | |
a863c7d1 MB |
1473 | { |
1474 | dTHR; | |
c07a80fd | 1475 | rschar = scan_oct(s, 4, &numlen); |
1476 | SvREFCNT_dec(nrs); | |
1477 | if (rschar & ~((U8)~0)) | |
1478 | nrs = &sv_undef; | |
1479 | else if (!rschar && numlen >= 2) | |
1480 | nrs = newSVpv("", 0); | |
1481 | else { | |
1482 | char ch = rschar; | |
1483 | nrs = newSVpv(&ch, 1); | |
79072805 LW |
1484 | } |
1485 | return s + numlen; | |
a863c7d1 | 1486 | } |
2304df62 AD |
1487 | case 'F': |
1488 | minus_F = TRUE; | |
a0d0e21e | 1489 | splitstr = savepv(s + 1); |
2304df62 AD |
1490 | s += strlen(s); |
1491 | return s; | |
79072805 LW |
1492 | case 'a': |
1493 | minus_a = TRUE; | |
1494 | s++; | |
1495 | return s; | |
1496 | case 'c': | |
1497 | minus_c = TRUE; | |
1498 | s++; | |
1499 | return s; | |
1500 | case 'd': | |
bbce6d69 | 1501 | forbid_setid("-d"); |
4633a7c4 | 1502 | s++; |
c07a80fd | 1503 | if (*s == ':' || *s == '=') { |
46fc3d4c | 1504 | my_setenv("PERL5DB", form("use Devel::%s;", ++s)); |
4633a7c4 | 1505 | s += strlen(s); |
4633a7c4 | 1506 | } |
a0d0e21e | 1507 | if (!perldb) { |
84902520 | 1508 | perldb = PERLDB_ALL; |
a0d0e21e LW |
1509 | init_debugger(); |
1510 | } | |
79072805 LW |
1511 | return s; |
1512 | case 'D': | |
1513 | #ifdef DEBUGGING | |
bbce6d69 | 1514 | forbid_setid("-D"); |
79072805 | 1515 | if (isALPHA(s[1])) { |
8990e307 | 1516 | static char debopts[] = "psltocPmfrxuLHXD"; |
79072805 LW |
1517 | char *d; |
1518 | ||
93a17b20 | 1519 | for (s++; *s && (d = strchr(debopts,*s)); s++) |
79072805 LW |
1520 | debug |= 1 << (d - debopts); |
1521 | } | |
1522 | else { | |
1523 | debug = atoi(s+1); | |
1524 | for (s++; isDIGIT(*s); s++) ; | |
1525 | } | |
8990e307 | 1526 | debug |= 0x80000000; |
79072805 LW |
1527 | #else |
1528 | warn("Recompile perl with -DDEBUGGING to use -D switch\n"); | |
a0d0e21e | 1529 | for (s++; isALNUM(*s); s++) ; |
79072805 LW |
1530 | #endif |
1531 | /*SUPPRESS 530*/ | |
1532 | return s; | |
4633a7c4 LW |
1533 | case 'h': |
1534 | usage(origargv[0]); | |
6ad3d225 | 1535 | PerlProc_exit(0); |
79072805 LW |
1536 | case 'i': |
1537 | if (inplace) | |
1538 | Safefree(inplace); | |
a0d0e21e | 1539 | inplace = savepv(s+1); |
79072805 LW |
1540 | /*SUPPRESS 530*/ |
1541 | for (s = inplace; *s && !isSPACE(*s); s++) ; | |
fb73857a | 1542 | if (*s) |
1543 | *s++ = '\0'; | |
1544 | return s; | |
1545 | case 'I': /* -I handled both here and in parse_perl() */ | |
bbce6d69 | 1546 | forbid_setid("-I"); |
fb73857a | 1547 | ++s; |
1548 | while (*s && isSPACE(*s)) | |
1549 | ++s; | |
1550 | if (*s) { | |
774d564b | 1551 | char *e, *p; |
748a9306 | 1552 | for (e = s; *e && !isSPACE(*e); e++) ; |
774d564b | 1553 | p = savepvn(s, e-s); |
1554 | incpush(p, TRUE); | |
1555 | Safefree(p); | |
fb73857a | 1556 | s = e; |
79072805 LW |
1557 | } |
1558 | else | |
463ee0b2 | 1559 | croak("No space allowed after -I"); |
fb73857a | 1560 | return s; |
79072805 LW |
1561 | case 'l': |
1562 | minus_l = TRUE; | |
1563 | s++; | |
a0d0e21e LW |
1564 | if (ors) |
1565 | Safefree(ors); | |
79072805 | 1566 | if (isDIGIT(*s)) { |
a0d0e21e | 1567 | ors = savepv("\n"); |
79072805 LW |
1568 | orslen = 1; |
1569 | *ors = scan_oct(s, 3 + (*s == '0'), &numlen); | |
1570 | s += numlen; | |
1571 | } | |
1572 | else { | |
a863c7d1 | 1573 | dTHR; |
c07a80fd | 1574 | if (RsPARA(nrs)) { |
6e72f9df | 1575 | ors = "\n\n"; |
c07a80fd | 1576 | orslen = 2; |
1577 | } | |
1578 | else | |
1579 | ors = SvPV(nrs, orslen); | |
6e72f9df | 1580 | ors = savepvn(ors, orslen); |
79072805 LW |
1581 | } |
1582 | return s; | |
1a30305b | 1583 | case 'M': |
bbce6d69 | 1584 | forbid_setid("-M"); /* XXX ? */ |
1a30305b | 1585 | /* FALL THROUGH */ |
1586 | case 'm': | |
bbce6d69 | 1587 | forbid_setid("-m"); /* XXX ? */ |
1a30305b | 1588 | if (*++s) { |
a5f75d66 | 1589 | char *start; |
11343788 | 1590 | SV *sv; |
a5f75d66 AD |
1591 | char *use = "use "; |
1592 | /* -M-foo == 'no foo' */ | |
1593 | if (*s == '-') { use = "no "; ++s; } | |
11343788 | 1594 | sv = newSVpv(use,0); |
a5f75d66 | 1595 | start = s; |
1a30305b | 1596 | /* We allow -M'Module qw(Foo Bar)' */ |
c07a80fd | 1597 | while(isALNUM(*s) || *s==':') ++s; |
1598 | if (*s != '=') { | |
11343788 | 1599 | sv_catpv(sv, start); |
c07a80fd | 1600 | if (*(start-1) == 'm') { |
1601 | if (*s != '\0') | |
1602 | croak("Can't use '%c' after -mname", *s); | |
11343788 | 1603 | sv_catpv( sv, " ()"); |
c07a80fd | 1604 | } |
1605 | } else { | |
11343788 MB |
1606 | sv_catpvn(sv, start, s-start); |
1607 | sv_catpv(sv, " split(/,/,q{"); | |
1608 | sv_catpv(sv, ++s); | |
1609 | sv_catpv(sv, "})"); | |
c07a80fd | 1610 | } |
1a30305b | 1611 | s += strlen(s); |
c07a80fd | 1612 | if (preambleav == NULL) |
1613 | preambleav = newAV(); | |
11343788 | 1614 | av_push(preambleav, sv); |
1a30305b | 1615 | } |
1616 | else | |
1617 | croak("No space allowed after -%c", *(s-1)); | |
1618 | return s; | |
79072805 LW |
1619 | case 'n': |
1620 | minus_n = TRUE; | |
1621 | s++; | |
1622 | return s; | |
1623 | case 'p': | |
1624 | minus_p = TRUE; | |
1625 | s++; | |
1626 | return s; | |
1627 | case 's': | |
bbce6d69 | 1628 | forbid_setid("-s"); |
79072805 LW |
1629 | doswitches = TRUE; |
1630 | s++; | |
1631 | return s; | |
463ee0b2 | 1632 | case 'T': |
f86702cc | 1633 | if (!tainting) |
9607fc9c | 1634 | croak("Too late for \"-T\" option"); |
463ee0b2 LW |
1635 | s++; |
1636 | return s; | |
79072805 LW |
1637 | case 'u': |
1638 | do_undump = TRUE; | |
1639 | s++; | |
1640 | return s; | |
1641 | case 'U': | |
1642 | unsafe = TRUE; | |
1643 | s++; | |
1644 | return s; | |
1645 | case 'v': | |
a5f75d66 | 1646 | #if defined(SUBVERSION) && SUBVERSION > 0 |
fb73857a | 1647 | printf("\nThis is perl, version 5.%03d_%02d built for %s", |
1648 | PATCHLEVEL, SUBVERSION, ARCHNAME); | |
a5f75d66 | 1649 | #else |
fb73857a | 1650 | printf("\nThis is perl, version %s built for %s", |
1651 | patchlevel, ARCHNAME); | |
1652 | #endif | |
1653 | #if defined(LOCAL_PATCH_COUNT) | |
1654 | if (LOCAL_PATCH_COUNT > 0) | |
1655 | printf("\n(with %d registered patch%s, see perl -V for more detail)", | |
1656 | LOCAL_PATCH_COUNT, (LOCAL_PATCH_COUNT!=1) ? "es" : ""); | |
a5f75d66 | 1657 | #endif |
1a30305b | 1658 | |
44a8e56a | 1659 | printf("\n\nCopyright 1987-1997, Larry Wall\n"); |
79072805 | 1660 | #ifdef MSDOS |
fb73857a | 1661 | printf("\nMS-DOS port Copyright (c) 1989, 1990, Diomidis Spinellis\n"); |
55497cff | 1662 | #endif |
1663 | #ifdef DJGPP | |
1664 | printf("djgpp v2 port (jpl5003c) by Hirofumi Watanabe, 1996\n"); | |
39e571d4 | 1665 | printf("djgpp v2 port (perl5004) by Laszlo Molnar, 1997\n"); |
4633a7c4 | 1666 | #endif |
79072805 | 1667 | #ifdef OS2 |
5dd60ef7 | 1668 | printf("\n\nOS/2 port Copyright (c) 1990, 1991, Raymond Chen, Kai Uwe Rommel\n" |
9607fc9c | 1669 | "Version 5 port Copyright (c) 1994-1997, Andreas Kaiser, Ilya Zakharevich\n"); |
79072805 | 1670 | #endif |
79072805 | 1671 | #ifdef atarist |
760ac839 | 1672 | printf("atariST series port, ++jrb bammi@cadence.com\n"); |
79072805 | 1673 | #endif |
760ac839 | 1674 | printf("\n\ |
79072805 | 1675 | Perl may be copied only under the terms of either the Artistic License or the\n\ |
760ac839 | 1676 | GNU General Public License, which may be found in the Perl 5.0 source kit.\n\n"); |
6ad3d225 | 1677 | PerlProc_exit(0); |
79072805 LW |
1678 | case 'w': |
1679 | dowarn = TRUE; | |
1680 | s++; | |
1681 | return s; | |
a0d0e21e | 1682 | case '*': |
79072805 LW |
1683 | case ' ': |
1684 | if (s[1] == '-') /* Additional switches on #! line. */ | |
1685 | return s+2; | |
1686 | break; | |
a0d0e21e | 1687 | case '-': |
79072805 | 1688 | case 0: |
a868473f NIS |
1689 | #ifdef WIN32 |
1690 | case '\r': | |
1691 | #endif | |
79072805 LW |
1692 | case '\n': |
1693 | case '\t': | |
1694 | break; | |
aa689395 | 1695 | #ifdef ALTERNATE_SHEBANG |
1696 | case 'S': /* OS/2 needs -S on "extproc" line. */ | |
1697 | break; | |
1698 | #endif | |
a0d0e21e LW |
1699 | case 'P': |
1700 | if (preprocess) | |
1701 | return s+1; | |
1702 | /* FALL THROUGH */ | |
79072805 | 1703 | default: |
a0d0e21e | 1704 | croak("Can't emulate -%.1s on #! line",s); |
79072805 LW |
1705 | } |
1706 | return Nullch; | |
1707 | } | |
1708 | ||
1709 | /* compliments of Tom Christiansen */ | |
1710 | ||
1711 | /* unexec() can be found in the Gnu emacs distribution */ | |
1712 | ||
1713 | void | |
8ac85365 | 1714 | my_unexec(void) |
79072805 LW |
1715 | { |
1716 | #ifdef UNEXEC | |
46fc3d4c | 1717 | SV* prog; |
1718 | SV* file; | |
79072805 LW |
1719 | int status; |
1720 | extern int etext; | |
1721 | ||
46fc3d4c | 1722 | prog = newSVpv(BIN_EXP); |
1723 | sv_catpv(prog, "/perl"); | |
1724 | file = newSVpv(origfilename); | |
1725 | sv_catpv(file, ".perldump"); | |
79072805 | 1726 | |
46fc3d4c | 1727 | status = unexec(SvPVX(file), SvPVX(prog), &etext, sbrk(0), 0); |
79072805 | 1728 | if (status) |
46fc3d4c | 1729 | PerlIO_printf(PerlIO_stderr(), "unexec of %s into %s failed!\n", |
1730 | SvPVX(prog), SvPVX(file)); | |
6ad3d225 | 1731 | PerlProc_exit(status); |
79072805 | 1732 | #else |
a5f75d66 AD |
1733 | # ifdef VMS |
1734 | # include <lib$routines.h> | |
1735 | lib$signal(SS$_DEBUG); /* ssdef.h #included from vmsish.h */ | |
aa689395 | 1736 | # else |
79072805 | 1737 | ABORT(); /* for use with undump */ |
aa689395 | 1738 | # endif |
a5f75d66 | 1739 | #endif |
79072805 LW |
1740 | } |
1741 | ||
1742 | static void | |
8ac85365 | 1743 | init_main_stash(void) |
79072805 | 1744 | { |
11343788 | 1745 | dTHR; |
463ee0b2 | 1746 | GV *gv; |
6e72f9df | 1747 | |
1748 | /* Note that strtab is a rather special HV. Assumptions are made | |
1749 | about not iterating on it, and not adding tie magic to it. | |
1750 | It is properly deallocated in perl_destruct() */ | |
1751 | strtab = newHV(); | |
1752 | HvSHAREKEYS_off(strtab); /* mandatory */ | |
1753 | Newz(506,((XPVHV*)SvANY(strtab))->xhv_array, | |
1754 | sizeof(HE*) * (((XPVHV*)SvANY(strtab))->xhv_max + 1), char); | |
1755 | ||
463ee0b2 | 1756 | curstash = defstash = newHV(); |
79072805 | 1757 | curstname = newSVpv("main",4); |
adbc6bb1 LW |
1758 | gv = gv_fetchpv("main::",TRUE, SVt_PVHV); |
1759 | SvREFCNT_dec(GvHV(gv)); | |
1760 | GvHV(gv) = (HV*)SvREFCNT_inc(defstash); | |
463ee0b2 | 1761 | SvREADONLY_on(gv); |
a0d0e21e | 1762 | HvNAME(defstash) = savepv("main"); |
85e6fe83 | 1763 | incgv = gv_HVadd(gv_AVadd(gv_fetchpv("INC",TRUE, SVt_PVAV))); |
a5f75d66 | 1764 | GvMULTI_on(incgv); |
a0d0e21e | 1765 | defgv = gv_fetchpv("_",TRUE, SVt_PVAV); |
12f917ad MB |
1766 | errgv = gv_HVadd(gv_fetchpv("@", TRUE, SVt_PV)); |
1767 | GvMULTI_on(errgv); | |
84902520 | 1768 | (void)form("%240s",""); /* Preallocate temp - for immediate signals. */ |
38a03e6e MB |
1769 | sv_grow(ERRSV, 240); /* Preallocate - for immediate signals. */ |
1770 | sv_setpvn(ERRSV, "", 0); | |
8990e307 LW |
1771 | curstash = defstash; |
1772 | compiling.cop_stash = defstash; | |
adbc6bb1 | 1773 | debstash = GvHV(gv_fetchpv("DB::", GV_ADDMULTI, SVt_PVHV)); |
49dc05e3 | 1774 | globalstash = GvHV(gv_fetchpv("CORE::GLOBAL::", GV_ADDMULTI, SVt_PVHV)); |
4633a7c4 LW |
1775 | /* We must init $/ before switches are processed. */ |
1776 | sv_setpvn(GvSV(gv_fetchpv("/", TRUE, SVt_PV)), "\n", 1); | |
79072805 LW |
1777 | } |
1778 | ||
a0d0e21e LW |
1779 | #ifdef CAN_PROTOTYPE |
1780 | static void | |
1781 | open_script(char *scriptname, bool dosearch, SV *sv) | |
1782 | #else | |
79072805 LW |
1783 | static void |
1784 | open_script(scriptname,dosearch,sv) | |
1785 | char *scriptname; | |
1786 | bool dosearch; | |
1787 | SV *sv; | |
a0d0e21e | 1788 | #endif |
79072805 | 1789 | { |
0f15f207 | 1790 | dTHR; |
79072805 LW |
1791 | char *xfound = Nullch; |
1792 | char *xfailed = Nullch; | |
1793 | register char *s; | |
1794 | I32 len; | |
a38d6535 LW |
1795 | int retval; |
1796 | #if defined(DOSISH) && !defined(OS2) && !defined(atarist) | |
fc36a67e | 1797 | # define SEARCH_EXTS ".bat", ".cmd", NULL |
1798 | # define MAX_EXT_LEN 4 | |
a38d6535 | 1799 | #endif |
d8c2d278 IZ |
1800 | #ifdef OS2 |
1801 | # define SEARCH_EXTS ".cmd", ".btm", ".bat", ".pl", NULL | |
1802 | # define MAX_EXT_LEN 4 | |
1803 | #endif | |
ab821d7f | 1804 | #ifdef VMS |
1805 | # define SEARCH_EXTS ".pl", ".com", NULL | |
fc36a67e | 1806 | # define MAX_EXT_LEN 4 |
ab821d7f | 1807 | #endif |
a38d6535 LW |
1808 | /* additional extensions to try in each dir if scriptname not found */ |
1809 | #ifdef SEARCH_EXTS | |
1810 | char *ext[] = { SEARCH_EXTS }; | |
2a92aaa0 GS |
1811 | int extidx = 0, i = 0; |
1812 | char *curext = Nullch; | |
fc36a67e | 1813 | #else |
1814 | # define MAX_EXT_LEN 0 | |
a38d6535 | 1815 | #endif |
79072805 | 1816 | |
2a92aaa0 GS |
1817 | /* |
1818 | * If dosearch is true and if scriptname does not contain path | |
1819 | * delimiters, search the PATH for scriptname. | |
1820 | * | |
1821 | * If SEARCH_EXTS is also defined, will look for each | |
1822 | * scriptname{SEARCH_EXTS} whenever scriptname is not found | |
1823 | * while searching the PATH. | |
1824 | * | |
1825 | * Assuming SEARCH_EXTS is C<".foo",".bar",NULL>, PATH search | |
1826 | * proceeds as follows: | |
61bb5906 | 1827 | * If DOSISH or VMSISH: |
2a92aaa0 GS |
1828 | * + look for ./scriptname{,.foo,.bar} |
1829 | * + search the PATH for scriptname{,.foo,.bar} | |
1830 | * | |
1831 | * If !DOSISH: | |
1832 | * + look *only* in the PATH for scriptname{,.foo,.bar} (note | |
1833 | * this will not look in '.' if it's not in the PATH) | |
1834 | */ | |
1835 | ||
c07a80fd | 1836 | #ifdef VMS |
61bb5906 CB |
1837 | # ifdef ALWAYS_DEFTYPES |
1838 | len = strlen(scriptname); | |
1839 | if (!(len == 1 && *scriptname == '-') && scriptname[len-1] != ':') { | |
1840 | int hasdir, idx = 0, deftypes = 1; | |
1841 | bool seen_dot = 1; | |
1842 | ||
1843 | hasdir = !dosearch || (strpbrk(scriptname,":[</") != Nullch) ; | |
1844 | # else | |
6e72f9df | 1845 | if (dosearch) { |
1846 | int hasdir, idx = 0, deftypes = 1; | |
1a2dec3c | 1847 | bool seen_dot = 1; |
6e72f9df | 1848 | |
1849 | hasdir = (strpbrk(scriptname,":[</") != Nullch) ; | |
61bb5906 | 1850 | # endif |
6e72f9df | 1851 | /* The first time through, just add SEARCH_EXTS to whatever we |
1852 | * already have, so we can check for default file types. */ | |
fc36a67e | 1853 | while (deftypes || |
1854 | (!hasdir && my_trnlnm("DCL$PATH",tokenbuf,idx++)) ) | |
1855 | { | |
1856 | if (deftypes) { | |
1857 | deftypes = 0; | |
1858 | *tokenbuf = '\0'; | |
1859 | } | |
1860 | if ((strlen(tokenbuf) + strlen(scriptname) | |
1861 | + MAX_EXT_LEN) >= sizeof tokenbuf) | |
1862 | continue; /* don't search dir with too-long name */ | |
1863 | strcat(tokenbuf, scriptname); | |
c07a80fd | 1864 | #else /* !VMS */ |
2a92aaa0 | 1865 | |
fc36a67e | 1866 | #ifdef DOSISH |
2a92aaa0 | 1867 | if (strEQ(scriptname, "-")) |
84902520 | 1868 | dosearch = 0; |
2a92aaa0 GS |
1869 | if (dosearch) { /* Look in '.' first. */ |
1870 | char *cur = scriptname; | |
1871 | #ifdef SEARCH_EXTS | |
1872 | if ((curext = strrchr(scriptname,'.'))) /* possible current ext */ | |
1873 | while (ext[i]) | |
1874 | if (strEQ(ext[i++],curext)) { | |
1875 | extidx = -1; /* already has an ext */ | |
1876 | break; | |
1877 | } | |
1878 | do { | |
79072805 | 1879 | #endif |
2a92aaa0 GS |
1880 | DEBUG_p(PerlIO_printf(Perl_debug_log, |
1881 | "Looking for %s\n",cur)); | |
1882 | if (Stat(cur,&statbuf) >= 0) { | |
1883 | dosearch = 0; | |
1884 | scriptname = cur; | |
84902520 | 1885 | #ifdef SEARCH_EXTS |
2a92aaa0 | 1886 | break; |
84902520 | 1887 | #endif |
2a92aaa0 GS |
1888 | } |
1889 | #ifdef SEARCH_EXTS | |
1890 | if (cur == scriptname) { | |
1891 | len = strlen(scriptname); | |
1892 | if (len+MAX_EXT_LEN+1 >= sizeof(tokenbuf)) | |
1893 | break; | |
1894 | cur = strcpy(tokenbuf, scriptname); | |
1895 | } | |
1896 | } while (extidx >= 0 && ext[extidx] /* try an extension? */ | |
1897 | && strcpy(tokenbuf+len, ext[extidx++])); | |
1898 | #endif | |
1899 | } | |
1900 | #endif | |
84902520 | 1901 | |
e92c4225 WJ |
1902 | if (dosearch && !strchr(scriptname, '/') |
1903 | #ifdef DOSISH | |
1904 | && !strchr(scriptname, '\\') | |
1905 | #endif | |
6ad3d225 | 1906 | && (s = PerlENV_getenv("PATH"))) { |
2a92aaa0 | 1907 | bool seen_dot = 0; |
84902520 | 1908 | |
79072805 | 1909 | bufend = s + strlen(s); |
fc36a67e | 1910 | while (s < bufend) { |
2a92aaa0 GS |
1911 | #if defined(atarist) || defined(DOSISH) |
1912 | for (len = 0; *s | |
1913 | # ifdef atarist | |
1914 | && *s != ',' | |
1915 | # endif | |
1916 | && *s != ';'; len++, s++) { | |
fc36a67e | 1917 | if (len < sizeof tokenbuf) |
1918 | tokenbuf[len] = *s; | |
1919 | } | |
1920 | if (len < sizeof tokenbuf) | |
1921 | tokenbuf[len] = '\0'; | |
84902520 TB |
1922 | #else /* ! (atarist || DOSISH) */ |
1923 | s = delimcpy(tokenbuf, tokenbuf + sizeof tokenbuf, s, bufend, | |
1924 | ':', | |
1925 | &len); | |
1926 | #endif /* ! (atarist || DOSISH) */ | |
fc36a67e | 1927 | if (s < bufend) |
79072805 | 1928 | s++; |
fc36a67e | 1929 | if (len + 1 + strlen(scriptname) + MAX_EXT_LEN >= sizeof tokenbuf) |
1930 | continue; /* don't search dir with too-long name */ | |
1931 | if (len | |
fc36a67e | 1932 | #if defined(atarist) || defined(DOSISH) |
2a92aaa0 | 1933 | && tokenbuf[len - 1] != '/' |
fc36a67e | 1934 | && tokenbuf[len - 1] != '\\' |
79072805 | 1935 | #endif |
fc36a67e | 1936 | ) |
1937 | tokenbuf[len++] = '/'; | |
84902520 | 1938 | if (len == 2 && tokenbuf[0] == '.') |
2a92aaa0 | 1939 | seen_dot = 1; |
fc36a67e | 1940 | (void)strcpy(tokenbuf + len, scriptname); |
c07a80fd | 1941 | #endif /* !VMS */ |
a38d6535 LW |
1942 | |
1943 | #ifdef SEARCH_EXTS | |
1944 | len = strlen(tokenbuf); | |
1945 | if (extidx > 0) /* reset after previous loop */ | |
1946 | extidx = 0; | |
1947 | do { | |
1948 | #endif | |
760ac839 | 1949 | DEBUG_p(PerlIO_printf(Perl_debug_log, "Looking for %s\n",tokenbuf)); |
a38d6535 LW |
1950 | retval = Stat(tokenbuf,&statbuf); |
1951 | #ifdef SEARCH_EXTS | |
1952 | } while ( retval < 0 /* not there */ | |
1953 | && extidx>=0 && ext[extidx] /* try an extension? */ | |
1954 | && strcpy(tokenbuf+len, ext[extidx++]) | |
1955 | ); | |
1956 | #endif | |
1957 | if (retval < 0) | |
79072805 LW |
1958 | continue; |
1959 | if (S_ISREG(statbuf.st_mode) | |
c90c0ff4 | 1960 | && cando(S_IRUSR,TRUE,&statbuf) |
1961 | #ifndef DOSISH | |
1962 | && cando(S_IXUSR,TRUE,&statbuf) | |
1963 | #endif | |
1964 | ) | |
1965 | { | |
79072805 LW |
1966 | xfound = tokenbuf; /* bingo! */ |
1967 | break; | |
1968 | } | |
1969 | if (!xfailed) | |
a0d0e21e | 1970 | xfailed = savepv(tokenbuf); |
79072805 | 1971 | } |
2a92aaa0 GS |
1972 | #ifndef DOSISH |
1973 | if (!xfound && !seen_dot && !xfailed && (Stat(scriptname,&statbuf) < 0)) | |
84902520 TB |
1974 | #endif |
1975 | seen_dot = 1; /* Disable message. */ | |
79072805 | 1976 | if (!xfound) |
84902520 | 1977 | croak("Can't %s %s%s%s", |
2a92aaa0 GS |
1978 | (xfailed ? "execute" : "find"), |
1979 | (xfailed ? xfailed : scriptname), | |
1980 | (xfailed ? "" : " on PATH"), | |
1981 | (xfailed || seen_dot) ? "" : ", '.' not in PATH"); | |
79072805 LW |
1982 | if (xfailed) |
1983 | Safefree(xfailed); | |
1984 | scriptname = xfound; | |
1985 | } | |
1986 | ||
96436eeb | 1987 | if (strnEQ(scriptname, "/dev/fd/", 8) && isDIGIT(scriptname[8]) ) { |
1988 | char *s = scriptname + 8; | |
1989 | fdscript = atoi(s); | |
1990 | while (isDIGIT(*s)) | |
1991 | s++; | |
1992 | if (*s) | |
1993 | scriptname = s + 1; | |
1994 | } | |
1995 | else | |
1996 | fdscript = -1; | |
ab821d7f | 1997 | origfilename = savepv(e_tmpname ? "-e" : scriptname); |
79072805 LW |
1998 | curcop->cop_filegv = gv_fetchfile(origfilename); |
1999 | if (strEQ(origfilename,"-")) | |
2000 | scriptname = ""; | |
96436eeb | 2001 | if (fdscript >= 0) { |
a868473f | 2002 | rsfp = PerlIO_fdopen(fdscript,PERL_SCRIPT_MODE); |
96436eeb | 2003 | #if defined(HAS_FCNTL) && defined(F_SETFD) |
7aa04957 CS |
2004 | if (rsfp) |
2005 | fcntl(PerlIO_fileno(rsfp),F_SETFD,1); /* ensure close-on-exec */ | |
96436eeb | 2006 | #endif |
2007 | } | |
2008 | else if (preprocess) { | |
46fc3d4c | 2009 | char *cpp_cfg = CPPSTDIN; |
2010 | SV *cpp = NEWSV(0,0); | |
2011 | SV *cmd = NEWSV(0,0); | |
2012 | ||
2013 | if (strEQ(cpp_cfg, "cppstdin")) | |
2014 | sv_catpvf(cpp, "%s/", BIN_EXP); | |
2015 | sv_catpv(cpp, cpp_cfg); | |
79072805 | 2016 | |
79072805 | 2017 | sv_catpv(sv,"-I"); |
fed7345c | 2018 | sv_catpv(sv,PRIVLIB_EXP); |
46fc3d4c | 2019 | |
79072805 | 2020 | #ifdef MSDOS |
46fc3d4c | 2021 | sv_setpvf(cmd, "\ |
79072805 LW |
2022 | sed %s -e \"/^[^#]/b\" \ |
2023 | -e \"/^#[ ]*include[ ]/b\" \ | |
2024 | -e \"/^#[ ]*define[ ]/b\" \ | |
2025 | -e \"/^#[ ]*if[ ]/b\" \ | |
2026 | -e \"/^#[ ]*ifdef[ ]/b\" \ | |
2027 | -e \"/^#[ ]*ifndef[ ]/b\" \ | |
2028 | -e \"/^#[ ]*else/b\" \ | |
2029 | -e \"/^#[ ]*elif[ ]/b\" \ | |
2030 | -e \"/^#[ ]*undef[ ]/b\" \ | |
2031 | -e \"/^#[ ]*endif/b\" \ | |
2032 | -e \"s/^#.*//\" \ | |
fc36a67e | 2033 | %s | %_ -C %_ %s", |
79072805 LW |
2034 | (doextract ? "-e \"1,/^#/d\n\"" : ""), |
2035 | #else | |
46fc3d4c | 2036 | sv_setpvf(cmd, "\ |
79072805 LW |
2037 | %s %s -e '/^[^#]/b' \ |
2038 | -e '/^#[ ]*include[ ]/b' \ | |
2039 | -e '/^#[ ]*define[ ]/b' \ | |
2040 | -e '/^#[ ]*if[ ]/b' \ | |
2041 | -e '/^#[ ]*ifdef[ ]/b' \ | |
2042 | -e '/^#[ ]*ifndef[ ]/b' \ | |
2043 | -e '/^#[ ]*else/b' \ | |
2044 | -e '/^#[ ]*elif[ ]/b' \ | |
2045 | -e '/^#[ ]*undef[ ]/b' \ | |
2046 | -e '/^#[ ]*endif/b' \ | |
2047 | -e 's/^[ ]*#.*//' \ | |
fc36a67e | 2048 | %s | %_ -C %_ %s", |
79072805 LW |
2049 | #ifdef LOC_SED |
2050 | LOC_SED, | |
2051 | #else | |
2052 | "sed", | |
2053 | #endif | |
2054 | (doextract ? "-e '1,/^#/d\n'" : ""), | |
2055 | #endif | |
46fc3d4c | 2056 | scriptname, cpp, sv, CPPMINUS); |
79072805 LW |
2057 | doextract = FALSE; |
2058 | #ifdef IAMSUID /* actually, this is caught earlier */ | |
2059 | if (euid != uid && !euid) { /* if running suidperl */ | |
2060 | #ifdef HAS_SETEUID | |
2061 | (void)seteuid(uid); /* musn't stay setuid root */ | |
2062 | #else | |
2063 | #ifdef HAS_SETREUID | |
85e6fe83 LW |
2064 | (void)setreuid((Uid_t)-1, uid); |
2065 | #else | |
2066 | #ifdef HAS_SETRESUID | |
2067 | (void)setresuid((Uid_t)-1, uid, (Uid_t)-1); | |
79072805 LW |
2068 | #else |
2069 | setuid(uid); | |
2070 | #endif | |
2071 | #endif | |
85e6fe83 | 2072 | #endif |
79072805 | 2073 | if (geteuid() != uid) |
463ee0b2 | 2074 | croak("Can't do seteuid!\n"); |
79072805 LW |
2075 | } |
2076 | #endif /* IAMSUID */ | |
6ad3d225 | 2077 | rsfp = PerlProc_popen(SvPVX(cmd), "r"); |
46fc3d4c | 2078 | SvREFCNT_dec(cmd); |
2079 | SvREFCNT_dec(cpp); | |
79072805 LW |
2080 | } |
2081 | else if (!*scriptname) { | |
bbce6d69 | 2082 | forbid_setid("program input from stdin"); |
760ac839 | 2083 | rsfp = PerlIO_stdin(); |
79072805 | 2084 | } |
96436eeb | 2085 | else { |
a868473f | 2086 | rsfp = PerlIO_open(scriptname,PERL_SCRIPT_MODE); |
96436eeb | 2087 | #if defined(HAS_FCNTL) && defined(F_SETFD) |
7aa04957 CS |
2088 | if (rsfp) |
2089 | fcntl(PerlIO_fileno(rsfp),F_SETFD,1); /* ensure close-on-exec */ | |
96436eeb | 2090 | #endif |
2091 | } | |
5dd60ef7 | 2092 | if (e_tmpname) { |
2093 | e_fp = rsfp; | |
2094 | } | |
7aa04957 | 2095 | if (!rsfp) { |
13281fa4 | 2096 | #ifdef DOSUID |
a687059c | 2097 | #ifndef IAMSUID /* in case script is not readable before setuid */ |
a0d0e21e | 2098 | if (euid && Stat(SvPVX(GvSV(curcop->cop_filegv)),&statbuf) >= 0 && |
13281fa4 | 2099 | statbuf.st_mode & (S_ISUID|S_ISGID)) { |
46fc3d4c | 2100 | /* try again */ |
6ad3d225 | 2101 | PerlProc_execv(form("%s/sperl%s", BIN_EXP, patchlevel), origargv); |
463ee0b2 | 2102 | croak("Can't do setuid\n"); |
13281fa4 LW |
2103 | } |
2104 | #endif | |
2105 | #endif | |
463ee0b2 | 2106 | croak("Can't open perl script \"%s\": %s\n", |
2304df62 | 2107 | SvPVX(GvSV(curcop->cop_filegv)), Strerror(errno)); |
13281fa4 | 2108 | } |
79072805 | 2109 | } |
8d063cd8 | 2110 | |
79072805 | 2111 | static void |
8ac85365 | 2112 | validate_suid(char *validarg, char *scriptname) |
79072805 | 2113 | { |
96436eeb | 2114 | int which; |
2115 | ||
13281fa4 LW |
2116 | /* do we need to emulate setuid on scripts? */ |
2117 | ||
2118 | /* This code is for those BSD systems that have setuid #! scripts disabled | |
2119 | * in the kernel because of a security problem. Merely defining DOSUID | |
2120 | * in perl will not fix that problem, but if you have disabled setuid | |
2121 | * scripts in the kernel, this will attempt to emulate setuid and setgid | |
2122 | * on scripts that have those now-otherwise-useless bits set. The setuid | |
27e2fb84 LW |
2123 | * root version must be called suidperl or sperlN.NNN. If regular perl |
2124 | * discovers that it has opened a setuid script, it calls suidperl with | |
2125 | * the same argv that it had. If suidperl finds that the script it has | |
2126 | * just opened is NOT setuid root, it sets the effective uid back to the | |
2127 | * uid. We don't just make perl setuid root because that loses the | |
2128 | * effective uid we had before invoking perl, if it was different from the | |
2129 | * uid. | |
13281fa4 LW |
2130 | * |
2131 | * DOSUID must be defined in both perl and suidperl, and IAMSUID must | |
2132 | * be defined in suidperl only. suidperl must be setuid root. The | |
2133 | * Configure script will set this up for you if you want it. | |
2134 | */ | |
a687059c | 2135 | |
13281fa4 | 2136 | #ifdef DOSUID |
ea0efc06 | 2137 | dTHR; |
6e72f9df | 2138 | char *s, *s2; |
a0d0e21e | 2139 | |
6ad3d225 | 2140 | if (PerlLIO_fstat(PerlIO_fileno(rsfp),&statbuf) < 0) /* normal stat is insecure */ |
463ee0b2 | 2141 | croak("Can't stat script \"%s\"",origfilename); |
96436eeb | 2142 | if (fdscript < 0 && statbuf.st_mode & (S_ISUID|S_ISGID)) { |
79072805 | 2143 | I32 len; |
13281fa4 | 2144 | |
a687059c | 2145 | #ifdef IAMSUID |
fe14fcc3 | 2146 | #ifndef HAS_SETREUID |
a687059c LW |
2147 | /* On this access check to make sure the directories are readable, |
2148 | * there is actually a small window that the user could use to make | |
2149 | * filename point to an accessible directory. So there is a faint | |
2150 | * chance that someone could execute a setuid script down in a | |
2151 | * non-accessible directory. I don't know what to do about that. | |
2152 | * But I don't think it's too important. The manual lies when | |
2153 | * it says access() is useful in setuid programs. | |
2154 | */ | |
6ad3d225 | 2155 | if (PerlLIO_access(SvPVX(GvSV(curcop->cop_filegv)),1)) /*double check*/ |
463ee0b2 | 2156 | croak("Permission denied"); |
a687059c LW |
2157 | #else |
2158 | /* If we can swap euid and uid, then we can determine access rights | |
2159 | * with a simple stat of the file, and then compare device and | |
2160 | * inode to make sure we did stat() on the same file we opened. | |
2161 | * Then we just have to make sure he or she can execute it. | |
2162 | */ | |
2163 | { | |
2164 | struct stat tmpstatbuf; | |
2165 | ||
85e6fe83 LW |
2166 | if ( |
2167 | #ifdef HAS_SETREUID | |
2168 | setreuid(euid,uid) < 0 | |
a0d0e21e LW |
2169 | #else |
2170 | # if HAS_SETRESUID | |
85e6fe83 | 2171 | setresuid(euid,uid,(Uid_t)-1) < 0 |
a0d0e21e | 2172 | # endif |
85e6fe83 LW |
2173 | #endif |
2174 | || getuid() != euid || geteuid() != uid) | |
463ee0b2 | 2175 | croak("Can't swap uid and euid"); /* really paranoid */ |
a0d0e21e | 2176 | if (Stat(SvPVX(GvSV(curcop->cop_filegv)),&tmpstatbuf) < 0) |
463ee0b2 | 2177 | croak("Permission denied"); /* testing full pathname here */ |
a687059c LW |
2178 | if (tmpstatbuf.st_dev != statbuf.st_dev || |
2179 | tmpstatbuf.st_ino != statbuf.st_ino) { | |
760ac839 | 2180 | (void)PerlIO_close(rsfp); |
6ad3d225 | 2181 | if (rsfp = PerlProc_popen("/bin/mail root","w")) { /* heh, heh */ |
760ac839 | 2182 | PerlIO_printf(rsfp, |
ff0cee69 | 2183 | "User %ld tried to run dev %ld ino %ld in place of dev %ld ino %ld!\n\ |
2184 | (Filename of set-id script was %s, uid %ld gid %ld.)\n\nSincerely,\nperl\n", | |
2185 | (long)uid,(long)tmpstatbuf.st_dev, (long)tmpstatbuf.st_ino, | |
2186 | (long)statbuf.st_dev, (long)statbuf.st_ino, | |
463ee0b2 | 2187 | SvPVX(GvSV(curcop->cop_filegv)), |
ff0cee69 | 2188 | (long)statbuf.st_uid, (long)statbuf.st_gid); |
6ad3d225 | 2189 | (void)PerlProc_pclose(rsfp); |
a687059c | 2190 | } |
463ee0b2 | 2191 | croak("Permission denied\n"); |
a687059c | 2192 | } |
85e6fe83 LW |
2193 | if ( |
2194 | #ifdef HAS_SETREUID | |
2195 | setreuid(uid,euid) < 0 | |
a0d0e21e LW |
2196 | #else |
2197 | # if defined(HAS_SETRESUID) | |
85e6fe83 | 2198 | setresuid(uid,euid,(Uid_t)-1) < 0 |
a0d0e21e | 2199 | # endif |
85e6fe83 LW |
2200 | #endif |
2201 | || getuid() != uid || geteuid() != euid) | |
463ee0b2 | 2202 | croak("Can't reswap uid and euid"); |
27e2fb84 | 2203 | if (!cando(S_IXUSR,FALSE,&statbuf)) /* can real uid exec? */ |
463ee0b2 | 2204 | croak("Permission denied\n"); |
a687059c | 2205 | } |
fe14fcc3 | 2206 | #endif /* HAS_SETREUID */ |
a687059c LW |
2207 | #endif /* IAMSUID */ |
2208 | ||
27e2fb84 | 2209 | if (!S_ISREG(statbuf.st_mode)) |
463ee0b2 | 2210 | croak("Permission denied"); |
27e2fb84 | 2211 | if (statbuf.st_mode & S_IWOTH) |
463ee0b2 | 2212 | croak("Setuid/gid script is writable by world"); |
13281fa4 | 2213 | doswitches = FALSE; /* -s is insecure in suid */ |
79072805 | 2214 | curcop->cop_line++; |
760ac839 LW |
2215 | if (sv_gets(linestr, rsfp, 0) == Nullch || |
2216 | strnNE(SvPV(linestr,na),"#!",2) ) /* required even on Sys V */ | |
463ee0b2 | 2217 | croak("No #! line"); |
760ac839 | 2218 | s = SvPV(linestr,na)+2; |
663a0e37 | 2219 | if (*s == ' ') s++; |
45d8adaa | 2220 | while (!isSPACE(*s)) s++; |
760ac839 | 2221 | for (s2 = s; (s2 > SvPV(linestr,na)+2 && |
6e72f9df | 2222 | (isDIGIT(s2[-1]) || strchr("._-", s2[-1]))); s2--) ; |
2223 | if (strnNE(s2-4,"perl",4) && strnNE(s-9,"perl",4)) /* sanity check */ | |
463ee0b2 | 2224 | croak("Not a perl script"); |
a687059c | 2225 | while (*s == ' ' || *s == '\t') s++; |
13281fa4 LW |
2226 | /* |
2227 | * #! arg must be what we saw above. They can invoke it by | |
2228 | * mentioning suidperl explicitly, but they may not add any strange | |
2229 | * arguments beyond what #! says if they do invoke suidperl that way. | |
2230 | */ | |
2231 | len = strlen(validarg); | |
2232 | if (strEQ(validarg," PHOOEY ") || | |
45d8adaa | 2233 | strnNE(s,validarg,len) || !isSPACE(s[len])) |
463ee0b2 | 2234 | croak("Args must match #! line"); |
a687059c LW |
2235 | |
2236 | #ifndef IAMSUID | |
2237 | if (euid != uid && (statbuf.st_mode & S_ISUID) && | |
2238 | euid == statbuf.st_uid) | |
2239 | if (!do_undump) | |
463ee0b2 | 2240 | croak("YOU HAVEN'T DISABLED SET-ID SCRIPTS IN THE KERNEL YET!\n\ |
a687059c LW |
2241 | FIX YOUR KERNEL, PUT A C WRAPPER AROUND THIS SCRIPT, OR USE -u AND UNDUMP!\n"); |
2242 | #endif /* IAMSUID */ | |
13281fa4 LW |
2243 | |
2244 | if (euid) { /* oops, we're not the setuid root perl */ | |
760ac839 | 2245 | (void)PerlIO_close(rsfp); |
13281fa4 | 2246 | #ifndef IAMSUID |
46fc3d4c | 2247 | /* try again */ |
6ad3d225 | 2248 | PerlProc_execv(form("%s/sperl%s", BIN_EXP, patchlevel), origargv); |
13281fa4 | 2249 | #endif |
463ee0b2 | 2250 | croak("Can't do setuid\n"); |
13281fa4 LW |
2251 | } |
2252 | ||
83025b21 | 2253 | if (statbuf.st_mode & S_ISGID && statbuf.st_gid != egid) { |
fe14fcc3 | 2254 | #ifdef HAS_SETEGID |
a687059c LW |
2255 | (void)setegid(statbuf.st_gid); |
2256 | #else | |
fe14fcc3 | 2257 | #ifdef HAS_SETREGID |
85e6fe83 LW |
2258 | (void)setregid((Gid_t)-1,statbuf.st_gid); |
2259 | #else | |
2260 | #ifdef HAS_SETRESGID | |
2261 | (void)setresgid((Gid_t)-1,statbuf.st_gid,(Gid_t)-1); | |
a687059c LW |
2262 | #else |
2263 | setgid(statbuf.st_gid); | |
2264 | #endif | |
2265 | #endif | |
85e6fe83 | 2266 | #endif |
83025b21 | 2267 | if (getegid() != statbuf.st_gid) |
463ee0b2 | 2268 | croak("Can't do setegid!\n"); |
83025b21 | 2269 | } |
a687059c LW |
2270 | if (statbuf.st_mode & S_ISUID) { |
2271 | if (statbuf.st_uid != euid) | |
fe14fcc3 | 2272 | #ifdef HAS_SETEUID |
a687059c LW |
2273 | (void)seteuid(statbuf.st_uid); /* all that for this */ |
2274 | #else | |
fe14fcc3 | 2275 | #ifdef HAS_SETREUID |
85e6fe83 LW |
2276 | (void)setreuid((Uid_t)-1,statbuf.st_uid); |
2277 | #else | |
2278 | #ifdef HAS_SETRESUID | |
2279 | (void)setresuid((Uid_t)-1,statbuf.st_uid,(Uid_t)-1); | |
a687059c LW |
2280 | #else |
2281 | setuid(statbuf.st_uid); | |
2282 | #endif | |
2283 | #endif | |
85e6fe83 | 2284 | #endif |
83025b21 | 2285 | if (geteuid() != statbuf.st_uid) |
463ee0b2 | 2286 | croak("Can't do seteuid!\n"); |
a687059c | 2287 | } |
83025b21 | 2288 | else if (uid) { /* oops, mustn't run as root */ |
fe14fcc3 | 2289 | #ifdef HAS_SETEUID |
85e6fe83 | 2290 | (void)seteuid((Uid_t)uid); |
a687059c | 2291 | #else |
fe14fcc3 | 2292 | #ifdef HAS_SETREUID |
85e6fe83 | 2293 | (void)setreuid((Uid_t)-1,(Uid_t)uid); |
a687059c | 2294 | #else |
85e6fe83 LW |
2295 | #ifdef HAS_SETRESUID |
2296 | (void)setresuid((Uid_t)-1,(Uid_t)uid,(Uid_t)-1); | |
2297 | #else | |
2298 | setuid((Uid_t)uid); | |
2299 | #endif | |
a687059c LW |
2300 | #endif |
2301 | #endif | |
83025b21 | 2302 | if (geteuid() != uid) |
463ee0b2 | 2303 | croak("Can't do seteuid!\n"); |
83025b21 | 2304 | } |
748a9306 | 2305 | init_ids(); |
27e2fb84 | 2306 | if (!cando(S_IXUSR,TRUE,&statbuf)) |
463ee0b2 | 2307 | croak("Permission denied\n"); /* they can't do this */ |
13281fa4 LW |
2308 | } |
2309 | #ifdef IAMSUID | |
2310 | else if (preprocess) | |
463ee0b2 | 2311 | croak("-P not allowed for setuid/setgid script\n"); |
96436eeb | 2312 | else if (fdscript >= 0) |
2313 | croak("fd script not allowed in suidperl\n"); | |
13281fa4 | 2314 | else |
463ee0b2 | 2315 | croak("Script is not setuid/setgid in suidperl\n"); |
96436eeb | 2316 | |
2317 | /* We absolutely must clear out any saved ids here, so we */ | |
2318 | /* exec the real perl, substituting fd script for scriptname. */ | |
2319 | /* (We pass script name as "subdir" of fd, which perl will grok.) */ | |
760ac839 | 2320 | PerlIO_rewind(rsfp); |
6ad3d225 | 2321 | PerlLIO_lseek(PerlIO_fileno(rsfp),(Off_t)0,0); /* just in case rewind didn't */ |
96436eeb | 2322 | for (which = 1; origargv[which] && origargv[which] != scriptname; which++) ; |
2323 | if (!origargv[which]) | |
2324 | croak("Permission denied"); | |
46fc3d4c | 2325 | origargv[which] = savepv(form("/dev/fd/%d/%s", |
2326 | PerlIO_fileno(rsfp), origargv[which])); | |
96436eeb | 2327 | #if defined(HAS_FCNTL) && defined(F_SETFD) |
760ac839 | 2328 | fcntl(PerlIO_fileno(rsfp),F_SETFD,0); /* ensure no close-on-exec */ |
96436eeb | 2329 | #endif |
6ad3d225 | 2330 | PerlProc_execv(form("%s/perl%s", BIN_EXP, patchlevel), origargv); /* try again */ |
96436eeb | 2331 | croak("Can't do setuid\n"); |
13281fa4 | 2332 | #endif /* IAMSUID */ |
a687059c | 2333 | #else /* !DOSUID */ |
a687059c LW |
2334 | if (euid != uid || egid != gid) { /* (suidperl doesn't exist, in fact) */ |
2335 | #ifndef SETUID_SCRIPTS_ARE_SECURE_NOW | |
96827780 | 2336 | dTHR; |
6ad3d225 | 2337 | PerlLIO_fstat(PerlIO_fileno(rsfp),&statbuf); /* may be either wrapped or real suid */ |
a687059c LW |
2338 | if ((euid != uid && euid == statbuf.st_uid && statbuf.st_mode & S_ISUID) |
2339 | || | |
2340 | (egid != gid && egid == statbuf.st_gid && statbuf.st_mode & S_ISGID) | |
2341 | ) | |
2342 | if (!do_undump) | |
463ee0b2 | 2343 | croak("YOU HAVEN'T DISABLED SET-ID SCRIPTS IN THE KERNEL YET!\n\ |
a687059c LW |
2344 | FIX YOUR KERNEL, PUT A C WRAPPER AROUND THIS SCRIPT, OR USE -u AND UNDUMP!\n"); |
2345 | #endif /* SETUID_SCRIPTS_ARE_SECURE_NOW */ | |
2346 | /* not set-id, must be wrapped */ | |
a687059c | 2347 | } |
13281fa4 | 2348 | #endif /* DOSUID */ |
79072805 | 2349 | } |
13281fa4 | 2350 | |
79072805 | 2351 | static void |
8ac85365 | 2352 | find_beginning(void) |
79072805 | 2353 | { |
6e72f9df | 2354 | register char *s, *s2; |
33b78306 LW |
2355 | |
2356 | /* skip forward in input to the real script? */ | |
2357 | ||
bbce6d69 | 2358 | forbid_setid("-x"); |
33b78306 | 2359 | while (doextract) { |
79072805 | 2360 | if ((s = sv_gets(linestr, rsfp, 0)) == Nullch) |
463ee0b2 | 2361 | croak("No Perl script found in input\n"); |
6e72f9df | 2362 | if (*s == '#' && s[1] == '!' && (s = instr(s,"perl"))) { |
760ac839 | 2363 | PerlIO_ungetc(rsfp, '\n'); /* to keep line count right */ |
33b78306 | 2364 | doextract = FALSE; |
6e72f9df | 2365 | while (*s && !(isSPACE (*s) || *s == '#')) s++; |
2366 | s2 = s; | |
2367 | while (*s == ' ' || *s == '\t') s++; | |
2368 | if (*s++ == '-') { | |
2369 | while (isDIGIT(s2[-1]) || strchr("-._", s2[-1])) s2--; | |
2370 | if (strnEQ(s2-4,"perl",4)) | |
2371 | /*SUPPRESS 530*/ | |
2372 | while (s = moreswitches(s)) ; | |
33b78306 | 2373 | } |
6ad3d225 | 2374 | if (cddir && PerlDir_chdir(cddir) < 0) |
463ee0b2 | 2375 | croak("Can't chdir to %s",cddir); |
83025b21 LW |
2376 | } |
2377 | } | |
2378 | } | |
2379 | ||
79072805 | 2380 | static void |
8ac85365 | 2381 | init_ids(void) |
352d5a3a | 2382 | { |
748a9306 LW |
2383 | uid = (int)getuid(); |
2384 | euid = (int)geteuid(); | |
2385 | gid = (int)getgid(); | |
2386 | egid = (int)getegid(); | |
2387 | #ifdef VMS | |
2388 | uid |= gid << 16; | |
2389 | euid |= egid << 16; | |
2390 | #endif | |
4633a7c4 | 2391 | tainting |= (uid && (euid != uid || egid != gid)); |
748a9306 | 2392 | } |
79072805 | 2393 | |
748a9306 | 2394 | static void |
8ac85365 | 2395 | forbid_setid(char *s) |
bbce6d69 | 2396 | { |
2397 | if (euid != uid) | |
2398 | croak("No %s allowed while running setuid", s); | |
2399 | if (egid != gid) | |
2400 | croak("No %s allowed while running setgid", s); | |
2401 | } | |
2402 | ||
2403 | static void | |
8ac85365 | 2404 | init_debugger(void) |
748a9306 | 2405 | { |
11343788 | 2406 | dTHR; |
79072805 | 2407 | curstash = debstash; |
748a9306 | 2408 | dbargs = GvAV(gv_AVadd((gv_fetchpv("args", GV_ADDMULTI, SVt_PVAV)))); |
79072805 | 2409 | AvREAL_off(dbargs); |
a0d0e21e LW |
2410 | DBgv = gv_fetchpv("DB", GV_ADDMULTI, SVt_PVGV); |
2411 | DBline = gv_fetchpv("dbline", GV_ADDMULTI, SVt_PVAV); | |
748a9306 LW |
2412 | DBsub = gv_HVadd(gv_fetchpv("sub", GV_ADDMULTI, SVt_PVHV)); |
2413 | DBsingle = GvSV((gv_fetchpv("single", GV_ADDMULTI, SVt_PV))); | |
c07a80fd | 2414 | sv_setiv(DBsingle, 0); |
748a9306 | 2415 | DBtrace = GvSV((gv_fetchpv("trace", GV_ADDMULTI, SVt_PV))); |
c07a80fd | 2416 | sv_setiv(DBtrace, 0); |
748a9306 | 2417 | DBsignal = GvSV((gv_fetchpv("signal", GV_ADDMULTI, SVt_PV))); |
c07a80fd | 2418 | sv_setiv(DBsignal, 0); |
79072805 | 2419 | curstash = defstash; |
352d5a3a LW |
2420 | } |
2421 | ||
11343788 | 2422 | void |
8ac85365 | 2423 | init_stacks(ARGSproto) |
79072805 | 2424 | { |
6e72f9df | 2425 | curstack = newAV(); |
5f05dabc | 2426 | mainstack = curstack; /* remember in case we switch stacks */ |
2427 | AvREAL_off(curstack); /* not a real array */ | |
6e72f9df | 2428 | av_extend(curstack,127); |
79072805 | 2429 | |
6e72f9df | 2430 | stack_base = AvARRAY(curstack); |
79072805 | 2431 | stack_sp = stack_base; |
8990e307 | 2432 | stack_max = stack_base + 127; |
79072805 | 2433 | |
c09156bb MB |
2434 | cxstack_max = 8192 / sizeof(PERL_CONTEXT) - 2; /* Use most of 8K. */ |
2435 | New(50,cxstack,cxstack_max + 1,PERL_CONTEXT); | |
8990e307 | 2436 | cxstack_ix = -1; |
8990e307 LW |
2437 | |
2438 | New(50,tmps_stack,128,SV*); | |
6d4ff0d2 | 2439 | tmps_floor = -1; |
8990e307 LW |
2440 | tmps_ix = -1; |
2441 | tmps_max = 128; | |
2442 | ||
5f05dabc | 2443 | /* |
2444 | * The following stacks almost certainly should be per-interpreter, | |
2445 | * but for now they're not. XXX | |
2446 | */ | |
2447 | ||
6e72f9df | 2448 | if (markstack) { |
2449 | markstack_ptr = markstack; | |
2450 | } else { | |
2451 | New(54,markstack,64,I32); | |
2452 | markstack_ptr = markstack; | |
2453 | markstack_max = markstack + 64; | |
2454 | } | |
79072805 | 2455 | |
6e72f9df | 2456 | if (scopestack) { |
2457 | scopestack_ix = 0; | |
2458 | } else { | |
2459 | New(54,scopestack,32,I32); | |
2460 | scopestack_ix = 0; | |
2461 | scopestack_max = 32; | |
2462 | } | |
79072805 | 2463 | |
6e72f9df | 2464 | if (savestack) { |
2465 | savestack_ix = 0; | |
2466 | } else { | |
2467 | New(54,savestack,128,ANY); | |
2468 | savestack_ix = 0; | |
2469 | savestack_max = 128; | |
2470 | } | |
79072805 | 2471 | |
6e72f9df | 2472 | if (retstack) { |
2473 | retstack_ix = 0; | |
2474 | } else { | |
2475 | New(54,retstack,16,OP*); | |
2476 | retstack_ix = 0; | |
2477 | retstack_max = 16; | |
5f05dabc | 2478 | } |
378cc40b | 2479 | } |
33b78306 | 2480 | |
6e72f9df | 2481 | static void |
8ac85365 | 2482 | nuke_stacks(void) |
6e72f9df | 2483 | { |
e858de61 | 2484 | dTHR; |
6e72f9df | 2485 | Safefree(cxstack); |
2486 | Safefree(tmps_stack); | |
5f05dabc | 2487 | DEBUG( { |
2488 | Safefree(debname); | |
2489 | Safefree(debdelim); | |
2490 | } ) | |
378cc40b | 2491 | } |
33b78306 | 2492 | |
760ac839 | 2493 | static PerlIO *tmpfp; /* moved outside init_lexer() because of UNICOS bug */ |
7aa04957 | 2494 | |
79072805 | 2495 | static void |
8ac85365 | 2496 | init_lexer(void) |
8990e307 | 2497 | { |
a0d0e21e | 2498 | tmpfp = rsfp; |
90248788 | 2499 | rsfp = Nullfp; |
8990e307 LW |
2500 | lex_start(linestr); |
2501 | rsfp = tmpfp; | |
2502 | subname = newSVpv("main",4); | |
2503 | } | |
2504 | ||
2505 | static void | |
8ac85365 | 2506 | init_predump_symbols(void) |
45d8adaa | 2507 | { |
11343788 | 2508 | dTHR; |
93a17b20 | 2509 | GV *tmpgv; |
a0d0e21e | 2510 | GV *othergv; |
79072805 | 2511 | |
a863c7d1 | 2512 | #ifdef USE_THREADS |
54b9620d | 2513 | sv_setpvn(*av_fetch(thr->threadsv,find_threadsv("\""),FALSE)," ", 1); |
a863c7d1 | 2514 | #else |
85e6fe83 | 2515 | sv_setpvn(GvSV(gv_fetchpv("\"", TRUE, SVt_PV)), " ", 1); |
a863c7d1 | 2516 | #endif /* USE_THREADS */ |
79072805 | 2517 | |
85e6fe83 | 2518 | stdingv = gv_fetchpv("STDIN",TRUE, SVt_PVIO); |
a5f75d66 | 2519 | GvMULTI_on(stdingv); |
760ac839 | 2520 | IoIFP(GvIOp(stdingv)) = PerlIO_stdin(); |
adbc6bb1 | 2521 | tmpgv = gv_fetchpv("stdin",TRUE, SVt_PV); |
a5f75d66 | 2522 | GvMULTI_on(tmpgv); |
a0d0e21e | 2523 | GvIOp(tmpgv) = (IO*)SvREFCNT_inc(GvIOp(stdingv)); |
79072805 | 2524 | |
85e6fe83 | 2525 | tmpgv = gv_fetchpv("STDOUT",TRUE, SVt_PVIO); |
a5f75d66 | 2526 | GvMULTI_on(tmpgv); |
760ac839 | 2527 | IoOFP(GvIOp(tmpgv)) = IoIFP(GvIOp(tmpgv)) = PerlIO_stdout(); |
4633a7c4 | 2528 | setdefout(tmpgv); |
adbc6bb1 | 2529 | tmpgv = gv_fetchpv("stdout",TRUE, SVt_PV); |
a5f75d66 | 2530 | GvMULTI_on(tmpgv); |
a0d0e21e | 2531 | GvIOp(tmpgv) = (IO*)SvREFCNT_inc(GvIOp(defoutgv)); |
79072805 | 2532 | |
a0d0e21e | 2533 | othergv = gv_fetchpv("STDERR",TRUE, SVt_PVIO); |
a5f75d66 | 2534 | GvMULTI_on(othergv); |
760ac839 | 2535 | IoOFP(GvIOp(othergv)) = IoIFP(GvIOp(othergv)) = PerlIO_stderr(); |
adbc6bb1 | 2536 | tmpgv = gv_fetchpv("stderr",TRUE, SVt_PV); |
a5f75d66 | 2537 | GvMULTI_on(tmpgv); |
a0d0e21e | 2538 | GvIOp(tmpgv) = (IO*)SvREFCNT_inc(GvIOp(othergv)); |
79072805 LW |
2539 | |
2540 | statname = NEWSV(66,0); /* last filename we did stat on */ | |
ab821d7f | 2541 | |
6e72f9df | 2542 | if (!osname) |
2543 | osname = savepv(OSNAME); | |
79072805 | 2544 | } |
33b78306 | 2545 | |
79072805 | 2546 | static void |
8ac85365 | 2547 | init_postdump_symbols(register int argc, register char **argv, register char **env) |
33b78306 | 2548 | { |
a863c7d1 | 2549 | dTHR; |
79072805 LW |
2550 | char *s; |
2551 | SV *sv; | |
2552 | GV* tmpgv; | |
fe14fcc3 | 2553 | |
79072805 LW |
2554 | argc--,argv++; /* skip name of script */ |
2555 | if (doswitches) { | |
2556 | for (; argc > 0 && **argv == '-'; argc--,argv++) { | |
2557 | if (!argv[0][1]) | |
2558 | break; | |
2559 | if (argv[0][1] == '-') { | |
2560 | argc--,argv++; | |
2561 | break; | |
2562 | } | |
93a17b20 | 2563 | if (s = strchr(argv[0], '=')) { |
79072805 | 2564 | *s++ = '\0'; |
85e6fe83 | 2565 | sv_setpv(GvSV(gv_fetchpv(argv[0]+1,TRUE, SVt_PV)),s); |
79072805 LW |
2566 | } |
2567 | else | |
85e6fe83 | 2568 | sv_setiv(GvSV(gv_fetchpv(argv[0]+1,TRUE, SVt_PV)),1); |
fe14fcc3 | 2569 | } |
79072805 LW |
2570 | } |
2571 | toptarget = NEWSV(0,0); | |
2572 | sv_upgrade(toptarget, SVt_PVFM); | |
2573 | sv_setpvn(toptarget, "", 0); | |
748a9306 | 2574 | bodytarget = NEWSV(0,0); |
79072805 LW |
2575 | sv_upgrade(bodytarget, SVt_PVFM); |
2576 | sv_setpvn(bodytarget, "", 0); | |
2577 | formtarget = bodytarget; | |
2578 | ||
bbce6d69 | 2579 | TAINT; |
85e6fe83 | 2580 | if (tmpgv = gv_fetchpv("0",TRUE, SVt_PV)) { |
79072805 LW |
2581 | sv_setpv(GvSV(tmpgv),origfilename); |
2582 | magicname("0", "0", 1); | |
2583 | } | |
85e6fe83 | 2584 | if (tmpgv = gv_fetchpv("\030",TRUE, SVt_PV)) |
79072805 | 2585 | sv_setpv(GvSV(tmpgv),origargv[0]); |
85e6fe83 | 2586 | if (argvgv = gv_fetchpv("ARGV",TRUE, SVt_PVAV)) { |
a5f75d66 | 2587 | GvMULTI_on(argvgv); |
79072805 LW |
2588 | (void)gv_AVadd(argvgv); |
2589 | av_clear(GvAVn(argvgv)); | |
2590 | for (; argc > 0; argc--,argv++) { | |
a0d0e21e | 2591 | av_push(GvAVn(argvgv),newSVpv(argv[0],0)); |
79072805 LW |
2592 | } |
2593 | } | |
85e6fe83 | 2594 | if (envgv = gv_fetchpv("ENV",TRUE, SVt_PVHV)) { |
79072805 | 2595 | HV *hv; |
a5f75d66 | 2596 | GvMULTI_on(envgv); |
79072805 | 2597 | hv = GvHVn(envgv); |
5aabfad6 | 2598 | hv_magic(hv, envgv, 'E'); |
a0d0e21e | 2599 | #ifndef VMS /* VMS doesn't have environ array */ |
4633a7c4 LW |
2600 | /* Note that if the supplied env parameter is actually a copy |
2601 | of the global environ then it may now point to free'd memory | |
2602 | if the environment has been modified since. To avoid this | |
2603 | problem we treat env==NULL as meaning 'use the default' | |
2604 | */ | |
2605 | if (!env) | |
2606 | env = environ; | |
5aabfad6 | 2607 | if (env != environ) |
79072805 LW |
2608 | environ[0] = Nullch; |
2609 | for (; *env; env++) { | |
93a17b20 | 2610 | if (!(s = strchr(*env,'='))) |
79072805 LW |
2611 | continue; |
2612 | *s++ = '\0'; | |
39e571d4 | 2613 | #if defined(WIN32) || defined(MSDOS) |
137443ea | 2614 | (void)strupr(*env); |
2615 | #endif | |
79072805 LW |
2616 | sv = newSVpv(s--,0); |
2617 | (void)hv_store(hv, *env, s - *env, sv, 0); | |
2618 | *s = '='; | |
3e3baf6d TB |
2619 | #if defined(__BORLANDC__) && defined(USE_WIN32_RTL_ENV) |
2620 | /* Sins of the RTL. See note in my_setenv(). */ | |
6ad3d225 | 2621 | (void)PerlENV_putenv(savepv(*env)); |
3e3baf6d | 2622 | #endif |
fe14fcc3 | 2623 | } |
4550b24a | 2624 | #endif |
2625 | #ifdef DYNAMIC_ENV_FETCH | |
2626 | HvNAME(hv) = savepv(ENV_HV_NAME); | |
2627 | #endif | |
79072805 | 2628 | } |
bbce6d69 | 2629 | TAINT_NOT; |
85e6fe83 | 2630 | if (tmpgv = gv_fetchpv("$",TRUE, SVt_PV)) |
1e422769 | 2631 | sv_setiv(GvSV(tmpgv), (IV)getpid()); |
33b78306 | 2632 | } |
34de22dd | 2633 | |
79072805 | 2634 | static void |
8ac85365 | 2635 | init_perllib(void) |
34de22dd | 2636 | { |
85e6fe83 LW |
2637 | char *s; |
2638 | if (!tainting) { | |
552a7a9b | 2639 | #ifndef VMS |
6ad3d225 | 2640 | s = PerlENV_getenv("PERL5LIB"); |
85e6fe83 | 2641 | if (s) |
774d564b | 2642 | incpush(s, TRUE); |
85e6fe83 | 2643 | else |
6ad3d225 | 2644 | incpush(PerlENV_getenv("PERLLIB"), FALSE); |
552a7a9b | 2645 | #else /* VMS */ |
2646 | /* Treat PERL5?LIB as a possible search list logical name -- the | |
2647 | * "natural" VMS idiom for a Unix path string. We allow each | |
2648 | * element to be a set of |-separated directories for compatibility. | |
2649 | */ | |
2650 | char buf[256]; | |
2651 | int idx = 0; | |
2652 | if (my_trnlnm("PERL5LIB",buf,0)) | |
774d564b | 2653 | do { incpush(buf,TRUE); } while (my_trnlnm("PERL5LIB",buf,++idx)); |
552a7a9b | 2654 | else |
774d564b | 2655 | while (my_trnlnm("PERLLIB",buf,idx++)) incpush(buf,FALSE); |
552a7a9b | 2656 | #endif /* VMS */ |
85e6fe83 | 2657 | } |
34de22dd | 2658 | |
c90c0ff4 | 2659 | /* Use the ~-expanded versions of APPLLIB (undocumented), |
df5cef82 | 2660 | ARCHLIB PRIVLIB SITEARCH SITELIB and OLDARCHLIB |
2661 | */ | |
4633a7c4 | 2662 | #ifdef APPLLIB_EXP |
774d564b | 2663 | incpush(APPLLIB_EXP, FALSE); |
16d20bd9 | 2664 | #endif |
4633a7c4 | 2665 | |
fed7345c | 2666 | #ifdef ARCHLIB_EXP |
774d564b | 2667 | incpush(ARCHLIB_EXP, FALSE); |
a0d0e21e | 2668 | #endif |
fed7345c AD |
2669 | #ifndef PRIVLIB_EXP |
2670 | #define PRIVLIB_EXP "/usr/local/lib/perl5:/usr/local/lib/perl" | |
34de22dd | 2671 | #endif |
774d564b | 2672 | incpush(PRIVLIB_EXP, FALSE); |
4633a7c4 LW |
2673 | |
2674 | #ifdef SITEARCH_EXP | |
774d564b | 2675 | incpush(SITEARCH_EXP, FALSE); |
4633a7c4 LW |
2676 | #endif |
2677 | #ifdef SITELIB_EXP | |
774d564b | 2678 | incpush(SITELIB_EXP, FALSE); |
4633a7c4 LW |
2679 | #endif |
2680 | #ifdef OLDARCHLIB_EXP /* 5.00[01] compatibility */ | |
774d564b | 2681 | incpush(OLDARCHLIB_EXP, FALSE); |
4633a7c4 | 2682 | #endif |
a0d0e21e | 2683 | |
4633a7c4 | 2684 | if (!tainting) |
774d564b | 2685 | incpush(".", FALSE); |
2686 | } | |
2687 | ||
2688 | #if defined(DOSISH) | |
2689 | # define PERLLIB_SEP ';' | |
2690 | #else | |
2691 | # if defined(VMS) | |
2692 | # define PERLLIB_SEP '|' | |
2693 | # else | |
2694 | # define PERLLIB_SEP ':' | |
2695 | # endif | |
2696 | #endif | |
2697 | #ifndef PERLLIB_MANGLE | |
2698 | # define PERLLIB_MANGLE(s,n) (s) | |
2699 | #endif | |
2700 | ||
2701 | static void | |
8ac85365 | 2702 | incpush(char *p, int addsubdirs) |
774d564b | 2703 | { |
2704 | SV *subdir = Nullsv; | |
2705 | static char *archpat_auto; | |
2706 | ||
2707 | if (!p) | |
2708 | return; | |
2709 | ||
2710 | if (addsubdirs) { | |
2711 | subdir = newSV(0); | |
2712 | if (!archpat_auto) { | |
2713 | STRLEN len = (sizeof(ARCHNAME) + strlen(patchlevel) | |
2714 | + sizeof("//auto")); | |
2715 | New(55, archpat_auto, len, char); | |
2716 | sprintf(archpat_auto, "/%s/%s/auto", ARCHNAME, patchlevel); | |
aa689395 | 2717 | #ifdef VMS |
2718 | for (len = sizeof(ARCHNAME) + 2; | |
2719 | archpat_auto[len] != '\0' && archpat_auto[len] != '/'; len++) | |
2720 | if (archpat_auto[len] == '.') archpat_auto[len] = '_'; | |
2721 | #endif | |
774d564b | 2722 | } |
2723 | } | |
2724 | ||
2725 | /* Break at all separators */ | |
2726 | while (p && *p) { | |
2727 | SV *libdir = newSV(0); | |
2728 | char *s; | |
2729 | ||
2730 | /* skip any consecutive separators */ | |
2731 | while ( *p == PERLLIB_SEP ) { | |
2732 | /* Uncomment the next line for PATH semantics */ | |
2733 | /* av_push(GvAVn(incgv), newSVpv(".", 1)); */ | |
2734 | p++; | |
2735 | } | |
2736 | ||
2737 | if ( (s = strchr(p, PERLLIB_SEP)) != Nullch ) { | |
2738 | sv_setpvn(libdir, PERLLIB_MANGLE(p, (STRLEN)(s - p)), | |
2739 | (STRLEN)(s - p)); | |
2740 | p = s + 1; | |
2741 | } | |
2742 | else { | |
2743 | sv_setpv(libdir, PERLLIB_MANGLE(p, 0)); | |
2744 | p = Nullch; /* break out */ | |
2745 | } | |
2746 | ||
2747 | /* | |
2748 | * BEFORE pushing libdir onto @INC we may first push version- and | |
2749 | * archname-specific sub-directories. | |
2750 | */ | |
2751 | if (addsubdirs) { | |
2752 | struct stat tmpstatbuf; | |
aa689395 | 2753 | #ifdef VMS |
2754 | char *unix; | |
2755 | STRLEN len; | |
774d564b | 2756 | |
aa689395 | 2757 | if ((unix = tounixspec_ts(SvPV(libdir,na),Nullch)) != Nullch) { |
2758 | len = strlen(unix); | |
2759 | while (unix[len-1] == '/') len--; /* Cosmetic */ | |
2760 | sv_usepvn(libdir,unix,len); | |
2761 | } | |
2762 | else | |
2763 | PerlIO_printf(PerlIO_stderr(), | |
2764 | "Failed to unixify @INC element \"%s\"\n", | |
2765 | SvPV(libdir,na)); | |
2766 | #endif | |
4fdae800 | 2767 | /* .../archname/version if -d .../archname/version/auto */ |
774d564b | 2768 | sv_setsv(subdir, libdir); |
2769 | sv_catpv(subdir, archpat_auto); | |
2770 | if (Stat(SvPVX(subdir), &tmpstatbuf) >= 0 && | |
2771 | S_ISDIR(tmpstatbuf.st_mode)) | |
2772 | av_push(GvAVn(incgv), | |
2773 | newSVpv(SvPVX(subdir), SvCUR(subdir) - sizeof "auto")); | |
2774 | ||
4fdae800 | 2775 | /* .../archname if -d .../archname/auto */ |
774d564b | 2776 | sv_insert(subdir, SvCUR(libdir) + sizeof(ARCHNAME), |
2777 | strlen(patchlevel) + 1, "", 0); | |
2778 | if (Stat(SvPVX(subdir), &tmpstatbuf) >= 0 && | |
2779 | S_ISDIR(tmpstatbuf.st_mode)) | |
2780 | av_push(GvAVn(incgv), | |
2781 | newSVpv(SvPVX(subdir), SvCUR(subdir) - sizeof "auto")); | |
2782 | } | |
2783 | ||
2784 | /* finally push this lib directory on the end of @INC */ | |
2785 | av_push(GvAVn(incgv), libdir); | |
2786 | } | |
2787 | ||
2788 | SvREFCNT_dec(subdir); | |
34de22dd | 2789 | } |
93a17b20 | 2790 | |
199100c8 | 2791 | #ifdef USE_THREADS |
52e1cb5e | 2792 | static struct perl_thread * |
199100c8 MB |
2793 | init_main_thread() |
2794 | { | |
52e1cb5e | 2795 | struct perl_thread *thr; |
199100c8 MB |
2796 | XPV *xpv; |
2797 | ||
52e1cb5e | 2798 | Newz(53, thr, 1, struct perl_thread); |
199100c8 MB |
2799 | curcop = &compiling; |
2800 | thr->cvcache = newHV(); | |
54b9620d | 2801 | thr->threadsv = newAV(); |
199100c8 | 2802 | thr->specific = newAV(); |
38a03e6e | 2803 | thr->errhv = newHV(); |
199100c8 MB |
2804 | thr->flags = THRf_R_JOINABLE; |
2805 | MUTEX_INIT(&thr->mutex); | |
2806 | /* Handcraft thrsv similarly to mess_sv */ | |
2807 | New(53, thrsv, 1, SV); | |
2808 | Newz(53, xpv, 1, XPV); | |
2809 | SvFLAGS(thrsv) = SVt_PV; | |
2810 | SvANY(thrsv) = (void*)xpv; | |
2811 | SvREFCNT(thrsv) = 1 << 30; /* practically infinite */ | |
2812 | SvPVX(thrsv) = (char*)thr; | |
2813 | SvCUR_set(thrsv, sizeof(thr)); | |
2814 | SvLEN_set(thrsv, sizeof(thr)); | |
2815 | *SvEND(thrsv) = '\0'; /* in the trailing_nul field */ | |
2816 | thr->oursv = thrsv; | |
2817 | curcop = &compiling; | |
2818 | chopset = " \n-"; | |
2819 | ||
2820 | MUTEX_LOCK(&threads_mutex); | |
2821 | nthreads++; | |
2822 | thr->tid = 0; | |
2823 | thr->next = thr; | |
2824 | thr->prev = thr; | |
2825 | MUTEX_UNLOCK(&threads_mutex); | |
2826 | ||
4b026b9e GS |
2827 | #ifdef HAVE_THREAD_INTERN |
2828 | init_thread_intern(thr); | |
235db74f GS |
2829 | #endif |
2830 | ||
2831 | #ifdef SET_THREAD_SELF | |
2832 | SET_THREAD_SELF(thr); | |
199100c8 MB |
2833 | #else |
2834 | thr->self = pthread_self(); | |
235db74f | 2835 | #endif /* SET_THREAD_SELF */ |
199100c8 MB |
2836 | SET_THR(thr); |
2837 | ||
2838 | /* | |
2839 | * These must come after the SET_THR because sv_setpvn does | |
2840 | * SvTAINT and the taint fields require dTHR. | |
2841 | */ | |
2842 | toptarget = NEWSV(0,0); | |
2843 | sv_upgrade(toptarget, SVt_PVFM); | |
2844 | sv_setpvn(toptarget, "", 0); | |
2845 | bodytarget = NEWSV(0,0); | |
2846 | sv_upgrade(bodytarget, SVt_PVFM); | |
2847 | sv_setpvn(bodytarget, "", 0); | |
2848 | formtarget = bodytarget; | |
2faa37cc | 2849 | thr->errsv = newSVpv("", 0); |
199100c8 MB |
2850 | return thr; |
2851 | } | |
2852 | #endif /* USE_THREADS */ | |
2853 | ||
93a17b20 | 2854 | void |
8ac85365 | 2855 | call_list(I32 oldscope, AV *list) |
93a17b20 | 2856 | { |
11343788 | 2857 | dTHR; |
a0d0e21e | 2858 | line_t oldline = curcop->cop_line; |
22921e25 CS |
2859 | STRLEN len; |
2860 | dJMPENV; | |
2861 | int ret; | |
93a17b20 | 2862 | |
8990e307 LW |
2863 | while (AvFILL(list) >= 0) { |
2864 | CV *cv = (CV*)av_shift(list); | |
93a17b20 | 2865 | |
8990e307 | 2866 | SAVEFREESV(cv); |
a0d0e21e | 2867 | |
22921e25 CS |
2868 | JMPENV_PUSH(ret); |
2869 | switch (ret) { | |
748a9306 | 2870 | case 0: { |
38a03e6e | 2871 | SV* atsv = ERRSV; |
748a9306 LW |
2872 | PUSHMARK(stack_sp); |
2873 | perl_call_sv((SV*)cv, G_EVAL|G_DISCARD); | |
12f917ad | 2874 | (void)SvPV(atsv, len); |
748a9306 | 2875 | if (len) { |
54310121 | 2876 | JMPENV_POP; |
748a9306 LW |
2877 | curcop = &compiling; |
2878 | curcop->cop_line = oldline; | |
2879 | if (list == beginav) | |
12f917ad | 2880 | sv_catpv(atsv, "BEGIN failed--compilation aborted"); |
748a9306 | 2881 | else |
12f917ad | 2882 | sv_catpv(atsv, "END failed--cleanup aborted"); |
2ae324a7 | 2883 | while (scopestack_ix > oldscope) |
2884 | LEAVE; | |
12f917ad | 2885 | croak("%s", SvPVX(atsv)); |
748a9306 | 2886 | } |
a0d0e21e | 2887 | } |
85e6fe83 LW |
2888 | break; |
2889 | case 1: | |
f86702cc | 2890 | STATUS_ALL_FAILURE; |
85e6fe83 LW |
2891 | /* FALL THROUGH */ |
2892 | case 2: | |
2893 | /* my_exit() was called */ | |
2ae324a7 | 2894 | while (scopestack_ix > oldscope) |
2895 | LEAVE; | |
84902520 | 2896 | FREETMPS; |
85e6fe83 LW |
2897 | curstash = defstash; |
2898 | if (endav) | |
68dc0745 | 2899 | call_list(oldscope, endav); |
54310121 | 2900 | JMPENV_POP; |
a0d0e21e LW |
2901 | curcop = &compiling; |
2902 | curcop->cop_line = oldline; | |
85e6fe83 LW |
2903 | if (statusvalue) { |
2904 | if (list == beginav) | |
a0d0e21e | 2905 | croak("BEGIN failed--compilation aborted"); |
85e6fe83 | 2906 | else |
a0d0e21e | 2907 | croak("END failed--cleanup aborted"); |
85e6fe83 | 2908 | } |
f86702cc | 2909 | my_exit_jump(); |
85e6fe83 | 2910 | /* NOTREACHED */ |
85e6fe83 LW |
2911 | case 3: |
2912 | if (!restartop) { | |
760ac839 | 2913 | PerlIO_printf(PerlIO_stderr(), "panic: restartop\n"); |
a0d0e21e | 2914 | FREETMPS; |
85e6fe83 LW |
2915 | break; |
2916 | } | |
54310121 | 2917 | JMPENV_POP; |
a0d0e21e LW |
2918 | curcop = &compiling; |
2919 | curcop->cop_line = oldline; | |
54310121 | 2920 | JMPENV_JUMP(3); |
8990e307 | 2921 | } |
54310121 | 2922 | JMPENV_POP; |
93a17b20 | 2923 | } |
93a17b20 | 2924 | } |
93a17b20 | 2925 | |
f86702cc | 2926 | void |
8ac85365 | 2927 | my_exit(U32 status) |
f86702cc | 2928 | { |
5dc0d613 MB |
2929 | dTHR; |
2930 | ||
2931 | #ifdef USE_THREADS | |
a863c7d1 MB |
2932 | DEBUG_L(PerlIO_printf(Perl_debug_log, "my_exit: thread %p, status %lu\n", |
2933 | thr, (unsigned long) status)); | |
5dc0d613 | 2934 | #endif /* USE_THREADS */ |
f86702cc | 2935 | switch (status) { |
2936 | case 0: | |
2937 | STATUS_ALL_SUCCESS; | |
2938 | break; | |
2939 | case 1: | |
2940 | STATUS_ALL_FAILURE; | |
2941 | break; | |
2942 | default: | |
2943 | STATUS_NATIVE_SET(status); | |
2944 | break; | |
2945 | } | |
2946 | my_exit_jump(); | |
2947 | } | |
2948 | ||
2949 | void | |
8ac85365 | 2950 | my_failure_exit(void) |
f86702cc | 2951 | { |
2952 | #ifdef VMS | |
2953 | if (vaxc$errno & 1) { | |
4fdae800 | 2954 | if (STATUS_NATIVE & 1) /* fortuitiously includes "-1" */ |
2955 | STATUS_NATIVE_SET(44); | |
f86702cc | 2956 | } |
2957 | else { | |
ff0cee69 | 2958 | if (!vaxc$errno && errno) /* unlikely */ |
4fdae800 | 2959 | STATUS_NATIVE_SET(44); |
f86702cc | 2960 | else |
4fdae800 | 2961 | STATUS_NATIVE_SET(vaxc$errno); |
f86702cc | 2962 | } |
2963 | #else | |
2964 | if (errno & 255) | |
2965 | STATUS_POSIX_SET(errno); | |
2966 | else if (STATUS_POSIX == 0) | |
2967 | STATUS_POSIX_SET(255); | |
2968 | #endif | |
2969 | my_exit_jump(); | |
93a17b20 LW |
2970 | } |
2971 | ||
f86702cc | 2972 | static void |
8ac85365 | 2973 | my_exit_jump(void) |
f86702cc | 2974 | { |
e858de61 | 2975 | dTHR; |
c09156bb | 2976 | register PERL_CONTEXT *cx; |
f86702cc | 2977 | I32 gimme; |
2978 | SV **newsp; | |
2979 | ||
2980 | if (e_tmpname) { | |
2981 | if (e_fp) { | |
2982 | PerlIO_close(e_fp); | |
2983 | e_fp = Nullfp; | |
2984 | } | |
2985 | (void)UNLINK(e_tmpname); | |
2986 | Safefree(e_tmpname); | |
2987 | e_tmpname = Nullch; | |
2988 | } | |
2989 | ||
2990 | if (cxstack_ix >= 0) { | |
2991 | if (cxstack_ix > 0) | |
2992 | dounwind(0); | |
2993 | POPBLOCK(cx,curpm); | |
2994 | LEAVE; | |
2995 | } | |
ff0cee69 | 2996 | |
54310121 | 2997 | JMPENV_JUMP(2); |
f86702cc | 2998 | } |
4e35701f | 2999 | |
aeea060c | 3000 | |
22239a37 | 3001 |