Commit | Line | Data |
---|---|---|
a0d0e21e LW |
1 | /* perl.c |
2 | * | |
a411490c | 3 | * Copyright (c) 1987-1998 Larry Wall |
a687059c | 4 | * |
352d5a3a LW |
5 | * You may distribute under the terms of either the GNU General Public |
6 | * License or the Artistic License, as specified in the README file. | |
a687059c | 7 | * |
8d063cd8 LW |
8 | */ |
9 | ||
a0d0e21e LW |
10 | /* |
11 | * "A ship then new they built for him/of mithril and of elven glass" --Bilbo | |
12 | */ | |
45d8adaa | 13 | |
378cc40b LW |
14 | #include "EXTERN.h" |
15 | #include "perl.h" | |
a687059c | 16 | #include "patchlevel.h" |
378cc40b | 17 | |
df5cef82 | 18 | /* XXX If this causes problems, set i_unistd=undef in the hint file. */ |
a0d0e21e LW |
19 | #ifdef I_UNISTD |
20 | #include <unistd.h> | |
21 | #endif | |
a0d0e21e | 22 | |
54310121 | 23 | #if !defined(STANDARD_C) && !defined(HAS_GETENV_PROTOTYPE) |
24 | char *getenv _((char *)); /* Usually in <stdlib.h> */ | |
25 | #endif | |
26 | ||
51fa4eea JH |
27 | #ifdef I_FCNTL |
28 | #include <fcntl.h> | |
29 | #endif | |
30 | #ifdef I_SYS_FILE | |
31 | #include <sys/file.h> | |
32 | #endif | |
33 | ||
71be2cbc | 34 | dEXTCONST char rcsid[] = "perl.c\nPatch level: ###\n"; |
463ee0b2 | 35 | |
a687059c LW |
36 | #ifdef IAMSUID |
37 | #ifndef DOSUID | |
38 | #define DOSUID | |
39 | #endif | |
40 | #endif | |
378cc40b | 41 | |
a687059c LW |
42 | #ifdef SETUID_SCRIPTS_ARE_SECURE_NOW |
43 | #ifdef DOSUID | |
44 | #undef DOSUID | |
45 | #endif | |
46 | #endif | |
8d063cd8 | 47 | |
8ebc5c01 | 48 | #define I_REINIT \ |
49 | STMT_START { \ | |
50 | chopset = " \n-"; \ | |
51 | copline = NOLINE; \ | |
52 | curcop = &compiling; \ | |
53 | curcopdb = NULL; \ | |
54 | cxstack_ix = -1; \ | |
55 | cxstack_max = 128; \ | |
56 | dbargs = 0; \ | |
57 | dlmax = 128; \ | |
58 | laststatval = -1; \ | |
59 | laststype = OP_STAT; \ | |
60 | maxscream = -1; \ | |
61 | maxsysfd = MAXSYSFD; \ | |
62 | statname = Nullsv; \ | |
63 | tmps_floor = -1; \ | |
64 | tmps_ix = -1; \ | |
65 | op_mask = NULL; \ | |
66 | dlmax = 128; \ | |
67 | laststatval = -1; \ | |
68 | laststype = OP_STAT; \ | |
46fc3d4c | 69 | mess_sv = Nullsv; \ |
8ebc5c01 | 70 | } STMT_END |
71 | ||
a0d0e21e | 72 | static void find_beginning _((void)); |
bbce6d69 | 73 | static void forbid_setid _((char *)); |
774d564b | 74 | static void incpush _((char *, int)); |
748a9306 | 75 | static void init_ids _((void)); |
a0d0e21e LW |
76 | static void init_debugger _((void)); |
77 | static void init_lexer _((void)); | |
78 | static void init_main_stash _((void)); | |
199100c8 | 79 | #ifdef USE_THREADS |
52e1cb5e | 80 | static struct perl_thread * init_main_thread _((void)); |
199100c8 | 81 | #endif /* USE_THREADS */ |
a0d0e21e LW |
82 | static void init_perllib _((void)); |
83 | static void init_postdump_symbols _((int, char **, char **)); | |
84 | static void init_predump_symbols _((void)); | |
f86702cc | 85 | static void my_exit_jump _((void)) __attribute__((noreturn)); |
6e72f9df | 86 | static void nuke_stacks _((void)); |
a0d0e21e | 87 | static void open_script _((char *, bool, SV *)); |
ab821d7f | 88 | static void usage _((char *)); |
96436eeb | 89 | static void validate_suid _((char *, char*)); |
90 | ||
91 | static int fdscript = -1; | |
79072805 | 92 | |
93a17b20 | 93 | PerlInterpreter * |
8ac85365 | 94 | perl_alloc(void) |
79072805 | 95 | { |
93a17b20 | 96 | PerlInterpreter *sv_interp; |
79072805 | 97 | |
8990e307 | 98 | curinterp = 0; |
93a17b20 | 99 | New(53, sv_interp, 1, PerlInterpreter); |
79072805 LW |
100 | return sv_interp; |
101 | } | |
102 | ||
103 | void | |
8ac85365 | 104 | perl_construct(register PerlInterpreter *sv_interp) |
79072805 | 105 | { |
a863c7d1 MB |
106 | #ifdef USE_THREADS |
107 | int i; | |
108 | #ifndef FAKE_THREADS | |
52e1cb5e | 109 | struct perl_thread *thr; |
a863c7d1 MB |
110 | #endif /* FAKE_THREADS */ |
111 | #endif /* USE_THREADS */ | |
11343788 | 112 | |
79072805 LW |
113 | if (!(curinterp = sv_interp)) |
114 | return; | |
115 | ||
8990e307 | 116 | #ifdef MULTIPLICITY |
93a17b20 | 117 | Zero(sv_interp, 1, PerlInterpreter); |
8990e307 | 118 | #endif |
79072805 | 119 | |
33f46ff6 | 120 | /* Init the real globals (and main thread)? */ |
c116a00c | 121 | if (!linestr) { |
11343788 | 122 | #ifdef USE_THREADS |
8023c3ce | 123 | |
33f46ff6 | 124 | INIT_THREADS; |
d55594ae GS |
125 | #ifdef ALLOC_THREAD_KEY |
126 | ALLOC_THREAD_KEY; | |
127 | #else | |
a863c7d1 MB |
128 | if (pthread_key_create(&thr_key, 0)) |
129 | croak("panic: pthread_key_create"); | |
d55594ae | 130 | #endif |
c116a00c | 131 | MUTEX_INIT(&sv_mutex); |
a863c7d1 MB |
132 | /* |
133 | * Safe to use basic SV functions from now on (though | |
134 | * not things like mortals or tainting yet). | |
135 | */ | |
c116a00c MB |
136 | MUTEX_INIT(&eval_mutex); |
137 | COND_INIT(&eval_cond); | |
33f46ff6 | 138 | MUTEX_INIT(&threads_mutex); |
c116a00c | 139 | COND_INIT(&nthreads_cond); |
dce16143 MB |
140 | #ifdef EMULATE_ATOMIC_REFCOUNTS |
141 | MUTEX_INIT(&svref_mutex); | |
142 | #endif /* EMULATE_ATOMIC_REFCOUNTS */ | |
a863c7d1 | 143 | |
199100c8 | 144 | thr = init_main_thread(); |
11343788 MB |
145 | #endif /* USE_THREADS */ |
146 | ||
79072805 | 147 | linestr = NEWSV(65,80); |
ed6116ce | 148 | sv_upgrade(linestr,SVt_PVIV); |
79072805 | 149 | |
6e72f9df | 150 | if (!SvREADONLY(&sv_undef)) { |
151 | SvREADONLY_on(&sv_undef); | |
79072805 | 152 | |
6e72f9df | 153 | sv_setpv(&sv_no,No); |
154 | SvNV(&sv_no); | |
155 | SvREADONLY_on(&sv_no); | |
79072805 | 156 | |
6e72f9df | 157 | sv_setpv(&sv_yes,Yes); |
158 | SvNV(&sv_yes); | |
159 | SvREADONLY_on(&sv_yes); | |
160 | } | |
79072805 | 161 | |
c07a80fd | 162 | nrs = newSVpv("\n", 1); |
163 | rs = SvREFCNT_inc(nrs); | |
164 | ||
c23142e2 | 165 | sighandlerp = sighandler; |
44a8e56a | 166 | pidstatus = newHV(); |
167 | ||
79072805 LW |
168 | #ifdef MSDOS |
169 | /* | |
170 | * There is no way we can refer to them from Perl so close them to save | |
171 | * space. The other alternative would be to provide STDAUX and STDPRN | |
172 | * filehandles. | |
173 | */ | |
174 | (void)fclose(stdaux); | |
175 | (void)fclose(stdprn); | |
176 | #endif | |
177 | } | |
178 | ||
1a441de9 | 179 | init_stacks(ARGS); |
8990e307 | 180 | #ifdef MULTIPLICITY |
8ebc5c01 | 181 | I_REINIT; |
182 | perl_destruct_level = 1; | |
183 | #else | |
184 | if(perl_destruct_level > 0) | |
185 | I_REINIT; | |
79072805 LW |
186 | #endif |
187 | ||
748a9306 | 188 | init_ids(); |
fb73857a | 189 | lex_state = LEX_NOTPARSING; |
a5f75d66 | 190 | |
54310121 | 191 | start_env.je_prev = NULL; |
192 | start_env.je_ret = -1; | |
193 | start_env.je_mustcatch = TRUE; | |
194 | top_env = &start_env; | |
f86702cc | 195 | STATUS_ALL_SUCCESS; |
196 | ||
36477c24 | 197 | SET_NUMERIC_STANDARD(); |
a5f75d66 | 198 | #if defined(SUBVERSION) && SUBVERSION > 0 |
e2666263 | 199 | sprintf(patchlevel, "%7.5f", (double) 5 |
200 | + ((double) PATCHLEVEL / (double) 1000) | |
201 | + ((double) SUBVERSION / (double) 100000)); | |
a5f75d66 | 202 | #else |
e2666263 | 203 | sprintf(patchlevel, "%5.3f", (double) 5 + |
204 | ((double) PATCHLEVEL / (double) 1000)); | |
a5f75d66 | 205 | #endif |
79072805 | 206 | |
ab821d7f | 207 | #if defined(LOCAL_PATCH_COUNT) |
6e72f9df | 208 | localpatches = local_patches; /* For possible -v */ |
ab821d7f | 209 | #endif |
210 | ||
760ac839 LW |
211 | PerlIO_init(); /* Hook to IO system */ |
212 | ||
79072805 | 213 | fdpid = newAV(); /* for remembering popen pids by fd */ |
8990e307 | 214 | |
11343788 MB |
215 | DEBUG( { |
216 | New(51,debname,128,char); | |
217 | New(52,debdelim,128,char); | |
218 | } ) | |
219 | ||
8990e307 | 220 | ENTER; |
79072805 LW |
221 | } |
222 | ||
223 | void | |
8ac85365 | 224 | perl_destruct(register PerlInterpreter *sv_interp) |
79072805 | 225 | { |
11343788 | 226 | dTHR; |
748a9306 | 227 | int destruct_level; /* 0=none, 1=full, 2=full with checks */ |
8990e307 | 228 | I32 last_sv_count; |
a0d0e21e | 229 | HV *hv; |
1f2bfc8a | 230 | #ifdef USE_THREADS |
33f46ff6 | 231 | Thread t; |
1f2bfc8a | 232 | #endif /* USE_THREADS */ |
8990e307 | 233 | |
79072805 LW |
234 | if (!(curinterp = sv_interp)) |
235 | return; | |
748a9306 | 236 | |
11343788 | 237 | #ifdef USE_THREADS |
0f15f207 | 238 | #ifndef FAKE_THREADS |
8023c3ce MB |
239 | /* Pass 1 on any remaining threads: detach joinables, join zombies */ |
240 | retry_cleanup: | |
33f46ff6 MB |
241 | MUTEX_LOCK(&threads_mutex); |
242 | DEBUG_L(PerlIO_printf(PerlIO_stderr(), | |
c7848ba1 | 243 | "perl_destruct: waiting for %d threads...\n", |
33f46ff6 MB |
244 | nthreads - 1)); |
245 | for (t = thr->next; t != thr; t = t->next) { | |
605e5515 MB |
246 | MUTEX_LOCK(&t->mutex); |
247 | switch (ThrSTATE(t)) { | |
248 | AV *av; | |
c7848ba1 MB |
249 | case THRf_ZOMBIE: |
250 | DEBUG_L(PerlIO_printf(PerlIO_stderr(), | |
251 | "perl_destruct: joining zombie %p\n", t)); | |
605e5515 MB |
252 | ThrSETSTATE(t, THRf_DEAD); |
253 | MUTEX_UNLOCK(&t->mutex); | |
254 | nthreads--; | |
8023c3ce MB |
255 | /* |
256 | * The SvREFCNT_dec below may take a long time (e.g. av | |
257 | * may contain an object scalar whose destructor gets | |
258 | * called) so we have to unlock threads_mutex and start | |
259 | * all over again. | |
260 | */ | |
605e5515 | 261 | MUTEX_UNLOCK(&threads_mutex); |
ea0efc06 | 262 | JOIN(t, &av); |
605e5515 | 263 | SvREFCNT_dec((SV*)av); |
c7848ba1 MB |
264 | DEBUG_L(PerlIO_printf(PerlIO_stderr(), |
265 | "perl_destruct: joined zombie %p OK\n", t)); | |
8023c3ce | 266 | goto retry_cleanup; |
c7848ba1 MB |
267 | case THRf_R_JOINABLE: |
268 | DEBUG_L(PerlIO_printf(PerlIO_stderr(), | |
269 | "perl_destruct: detaching thread %p\n", t)); | |
270 | ThrSETSTATE(t, THRf_R_DETACHED); | |
271 | /* | |
272 | * We unlock threads_mutex and t->mutex in the opposite order | |
273 | * from which we locked them just so that DETACH won't | |
274 | * deadlock if it panics. It's only a breach of good style | |
275 | * not a bug since they are unlocks not locks. | |
276 | */ | |
277 | MUTEX_UNLOCK(&threads_mutex); | |
278 | DETACH(t); | |
279 | MUTEX_UNLOCK(&t->mutex); | |
8023c3ce | 280 | goto retry_cleanup; |
c7848ba1 MB |
281 | default: |
282 | DEBUG_L(PerlIO_printf(PerlIO_stderr(), | |
283 | "perl_destruct: ignoring %p (state %u)\n", | |
284 | t, ThrSTATE(t))); | |
285 | MUTEX_UNLOCK(&t->mutex); | |
c7848ba1 | 286 | /* fall through and out */ |
33f46ff6 MB |
287 | } |
288 | } | |
8023c3ce MB |
289 | /* We leave the above "Pass 1" loop with threads_mutex still locked */ |
290 | ||
291 | /* Pass 2 on remaining threads: wait for the thread count to drop to one */ | |
11343788 MB |
292 | while (nthreads > 1) |
293 | { | |
33f46ff6 | 294 | DEBUG_L(PerlIO_printf(PerlIO_stderr(), |
c7848ba1 | 295 | "perl_destruct: final wait for %d threads\n", |
33f46ff6 MB |
296 | nthreads - 1)); |
297 | COND_WAIT(&nthreads_cond, &threads_mutex); | |
11343788 MB |
298 | } |
299 | /* At this point, we're the last thread */ | |
33f46ff6 | 300 | MUTEX_UNLOCK(&threads_mutex); |
d9f997d7 | 301 | DEBUG_L(PerlIO_printf(PerlIO_stderr(), "perl_destruct: armageddon has arrived\n")); |
33f46ff6 | 302 | MUTEX_DESTROY(&threads_mutex); |
11343788 | 303 | COND_DESTROY(&nthreads_cond); |
0f15f207 | 304 | #endif /* !defined(FAKE_THREADS) */ |
11343788 MB |
305 | #endif /* USE_THREADS */ |
306 | ||
748a9306 | 307 | destruct_level = perl_destruct_level; |
4633a7c4 LW |
308 | #ifdef DEBUGGING |
309 | { | |
310 | char *s; | |
5fd9e9a4 | 311 | if (s = PerlEnv_getenv("PERL_DESTRUCT_LEVEL")) { |
5f05dabc | 312 | int i = atoi(s); |
313 | if (destruct_level < i) | |
314 | destruct_level = i; | |
315 | } | |
4633a7c4 LW |
316 | } |
317 | #endif | |
318 | ||
8990e307 | 319 | LEAVE; |
a0d0e21e LW |
320 | FREETMPS; |
321 | ||
ff0cee69 | 322 | /* We must account for everything. */ |
323 | ||
324 | /* Destroy the main CV and syntax tree */ | |
6e72f9df | 325 | if (main_root) { |
326 | curpad = AvARRAY(comppad); | |
327 | op_free(main_root); | |
ff0cee69 | 328 | main_root = Nullop; |
a0d0e21e | 329 | } |
bac4b2ad | 330 | curcop = &compiling; |
ff0cee69 | 331 | main_start = Nullop; |
332 | SvREFCNT_dec(main_cv); | |
333 | main_cv = Nullcv; | |
334 | ||
a0d0e21e LW |
335 | if (sv_objcount) { |
336 | /* | |
337 | * Try to destruct global references. We do this first so that the | |
338 | * destructors and destructees still exist. Some sv's might remain. | |
339 | * Non-referenced objects are on their own. | |
340 | */ | |
341 | ||
342 | dirty = TRUE; | |
343 | sv_clean_objs(); | |
8990e307 LW |
344 | } |
345 | ||
5cd24f17 | 346 | /* unhook hooks which will soon be, or use, destroyed data */ |
347 | SvREFCNT_dec(warnhook); | |
348 | warnhook = Nullsv; | |
349 | SvREFCNT_dec(diehook); | |
350 | diehook = Nullsv; | |
351 | SvREFCNT_dec(parsehook); | |
352 | parsehook = Nullsv; | |
353 | ||
a0d0e21e | 354 | if (destruct_level == 0){ |
8990e307 | 355 | |
a0d0e21e LW |
356 | DEBUG_P(debprofdump()); |
357 | ||
358 | /* The exit() function will do everything that needs doing. */ | |
359 | return; | |
360 | } | |
5dd60ef7 | 361 | |
5f05dabc | 362 | /* loosen bonds of global variables */ |
363 | ||
8ebc5c01 | 364 | if(rsfp) { |
365 | (void)PerlIO_close(rsfp); | |
366 | rsfp = Nullfp; | |
367 | } | |
368 | ||
369 | /* Filters for program text */ | |
370 | SvREFCNT_dec(rsfp_filters); | |
371 | rsfp_filters = Nullav; | |
372 | ||
373 | /* switches */ | |
374 | preprocess = FALSE; | |
375 | minus_n = FALSE; | |
376 | minus_p = FALSE; | |
377 | minus_l = FALSE; | |
378 | minus_a = FALSE; | |
379 | minus_F = FALSE; | |
380 | doswitches = FALSE; | |
381 | dowarn = FALSE; | |
382 | doextract = FALSE; | |
383 | sawampersand = FALSE; /* must save all match strings */ | |
384 | sawstudy = FALSE; /* do fbm_instr on all strings */ | |
385 | sawvec = FALSE; | |
386 | unsafe = FALSE; | |
387 | ||
388 | Safefree(inplace); | |
389 | inplace = Nullch; | |
390 | ||
391 | Safefree(e_tmpname); | |
392 | e_tmpname = Nullch; | |
393 | ||
394 | if (e_fp) { | |
395 | PerlIO_close(e_fp); | |
396 | e_fp = Nullfp; | |
397 | } | |
398 | ||
399 | /* magical thingies */ | |
400 | ||
401 | Safefree(ofs); /* $, */ | |
402 | ofs = Nullch; | |
5f05dabc | 403 | |
8ebc5c01 | 404 | Safefree(ors); /* $\ */ |
405 | ors = Nullch; | |
406 | ||
407 | SvREFCNT_dec(nrs); /* $\ helper */ | |
5f05dabc | 408 | nrs = Nullsv; |
409 | ||
8ebc5c01 | 410 | multiline = 0; /* $* */ |
5f05dabc | 411 | |
8ebc5c01 | 412 | SvREFCNT_dec(statname); |
5f05dabc | 413 | statname = Nullsv; |
414 | statgv = Nullgv; | |
5f05dabc | 415 | |
8ebc5c01 | 416 | /* defgv, aka *_ should be taken care of elsewhere */ |
417 | ||
8ebc5c01 | 418 | /* clean up after study() */ |
419 | SvREFCNT_dec(lastscream); | |
420 | lastscream = Nullsv; | |
421 | Safefree(screamfirst); | |
422 | screamfirst = 0; | |
423 | Safefree(screamnext); | |
424 | screamnext = 0; | |
425 | ||
426 | /* startup and shutdown function lists */ | |
427 | SvREFCNT_dec(beginav); | |
428 | SvREFCNT_dec(endav); | |
77a005ab | 429 | SvREFCNT_dec(initav); |
5618dfe8 | 430 | beginav = Nullav; |
5618dfe8 | 431 | endav = Nullav; |
77a005ab | 432 | initav = Nullav; |
5618dfe8 | 433 | |
8ebc5c01 | 434 | /* shortcuts just get cleared */ |
435 | envgv = Nullgv; | |
436 | siggv = Nullgv; | |
437 | incgv = Nullgv; | |
12f917ad | 438 | errgv = Nullgv; |
8ebc5c01 | 439 | argvgv = Nullgv; |
440 | argvoutgv = Nullgv; | |
441 | stdingv = Nullgv; | |
442 | last_in_gv = Nullgv; | |
443 | ||
444 | /* reset so print() ends up where we expect */ | |
445 | setdefout(Nullgv); | |
446 | ||
a0d0e21e | 447 | /* Prepare to destruct main symbol table. */ |
5f05dabc | 448 | |
a0d0e21e | 449 | hv = defstash; |
85e6fe83 | 450 | defstash = 0; |
a0d0e21e LW |
451 | SvREFCNT_dec(hv); |
452 | ||
453 | FREETMPS; | |
454 | if (destruct_level >= 2) { | |
455 | if (scopestack_ix != 0) | |
ff0cee69 | 456 | warn("Unbalanced scopes: %ld more ENTERs than LEAVEs\n", |
457 | (long)scopestack_ix); | |
a0d0e21e | 458 | if (savestack_ix != 0) |
ff0cee69 | 459 | warn("Unbalanced saves: %ld more saves than restores\n", |
460 | (long)savestack_ix); | |
a0d0e21e | 461 | if (tmps_floor != -1) |
ff0cee69 | 462 | warn("Unbalanced tmps: %ld more allocs than frees\n", |
463 | (long)tmps_floor + 1); | |
a0d0e21e | 464 | if (cxstack_ix != -1) |
ff0cee69 | 465 | warn("Unbalanced context: %ld more PUSHes than POPs\n", |
466 | (long)cxstack_ix + 1); | |
a0d0e21e | 467 | } |
8990e307 LW |
468 | |
469 | /* Now absolutely destruct everything, somehow or other, loops or no. */ | |
8990e307 | 470 | last_sv_count = 0; |
6e72f9df | 471 | SvFLAGS(strtab) |= SVTYPEMASK; /* don't clean out strtab now */ |
8990e307 LW |
472 | while (sv_count != 0 && sv_count != last_sv_count) { |
473 | last_sv_count = sv_count; | |
474 | sv_clean_all(); | |
475 | } | |
6e72f9df | 476 | SvFLAGS(strtab) &= ~SVTYPEMASK; |
477 | SvFLAGS(strtab) |= SVt_PVHV; | |
478 | ||
479 | /* Destruct the global string table. */ | |
480 | { | |
481 | /* Yell and reset the HeVAL() slots that are still holding refcounts, | |
482 | * so that sv_free() won't fail on them. | |
483 | */ | |
484 | I32 riter; | |
485 | I32 max; | |
486 | HE *hent; | |
487 | HE **array; | |
488 | ||
489 | riter = 0; | |
490 | max = HvMAX(strtab); | |
491 | array = HvARRAY(strtab); | |
492 | hent = array[0]; | |
493 | for (;;) { | |
494 | if (hent) { | |
495 | warn("Unbalanced string table refcount: (%d) for \"%s\"", | |
496 | HeVAL(hent) - Nullsv, HeKEY(hent)); | |
16bdeea2 | 497 | HeVAL(hent) = Nullsv; |
6e72f9df | 498 | hent = HeNEXT(hent); |
499 | } | |
500 | if (!hent) { | |
501 | if (++riter > max) | |
502 | break; | |
503 | hent = array[riter]; | |
504 | } | |
505 | } | |
506 | } | |
507 | SvREFCNT_dec(strtab); | |
508 | ||
8990e307 | 509 | if (sv_count != 0) |
ff0cee69 | 510 | warn("Scalars leaked: %ld\n", (long)sv_count); |
6e72f9df | 511 | |
4633a7c4 | 512 | sv_free_arenas(); |
44a8e56a | 513 | |
514 | /* No SVs have survived, need to clean out */ | |
515 | linestr = NULL; | |
516 | pidstatus = Nullhv; | |
6e72f9df | 517 | if (origfilename) |
518 | Safefree(origfilename); | |
519 | nuke_stacks(); | |
fc36a67e | 520 | hints = 0; /* Reset hints. Should hints be per-interpreter ? */ |
a0d0e21e LW |
521 | |
522 | DEBUG_P(debprofdump()); | |
11343788 MB |
523 | #ifdef USE_THREADS |
524 | MUTEX_DESTROY(&sv_mutex); | |
11343788 | 525 | MUTEX_DESTROY(&eval_mutex); |
c116a00c | 526 | COND_DESTROY(&eval_cond); |
fc36a67e | 527 | |
8023c3ce MB |
528 | /* As the penultimate thing, free the non-arena SV for thrsv */ |
529 | Safefree(SvPVX(thrsv)); | |
530 | Safefree(SvANY(thrsv)); | |
531 | Safefree(thrsv); | |
532 | thrsv = Nullsv; | |
533 | #endif /* USE_THREADS */ | |
534 | ||
fc36a67e | 535 | /* As the absolutely last thing, free the non-arena SV for mess() */ |
536 | ||
537 | if (mess_sv) { | |
538 | /* we know that type >= SVt_PV */ | |
539 | SvOOK_off(mess_sv); | |
540 | Safefree(SvPVX(mess_sv)); | |
541 | Safefree(SvANY(mess_sv)); | |
542 | Safefree(mess_sv); | |
543 | mess_sv = Nullsv; | |
544 | } | |
79072805 LW |
545 | } |
546 | ||
547 | void | |
8ac85365 | 548 | perl_free(PerlInterpreter *sv_interp) |
79072805 LW |
549 | { |
550 | if (!(curinterp = sv_interp)) | |
551 | return; | |
552 | Safefree(sv_interp); | |
553 | } | |
554 | ||
555 | int | |
8ac85365 | 556 | perl_parse(PerlInterpreter *sv_interp, void (*xsinit) (void), int argc, char **argv, char **env) |
8d063cd8 | 557 | { |
11343788 | 558 | dTHR; |
79072805 | 559 | register SV *sv; |
8d063cd8 | 560 | register char *s; |
1a30305b | 561 | char *scriptname = NULL; |
a0d0e21e | 562 | VOL bool dosearch = FALSE; |
13281fa4 | 563 | char *validarg = ""; |
2ae324a7 | 564 | I32 oldscope; |
748a9306 | 565 | AV* comppadlist; |
e5c9fcd0 | 566 | int e_tmpfd = -1; |
54310121 | 567 | dJMPENV; |
22921e25 | 568 | int ret; |
8d063cd8 | 569 | |
a687059c LW |
570 | #ifdef SETUID_SCRIPTS_ARE_SECURE_NOW |
571 | #ifdef IAMSUID | |
572 | #undef IAMSUID | |
463ee0b2 | 573 | croak("suidperl is no longer needed since the kernel can now execute\n\ |
a687059c LW |
574 | setuid perl scripts securely.\n"); |
575 | #endif | |
576 | #endif | |
577 | ||
79072805 LW |
578 | if (!(curinterp = sv_interp)) |
579 | return 255; | |
580 | ||
6e72f9df | 581 | #if defined(NeXT) && defined(__DYNAMIC__) |
582 | _dyld_lookup_and_bind | |
583 | ("__environ", (unsigned long *) &environ_pointer, NULL); | |
584 | #endif /* environ */ | |
585 | ||
ac58e20f LW |
586 | origargv = argv; |
587 | origargc = argc; | |
a0d0e21e | 588 | #ifndef VMS /* VMS doesn't have environ array */ |
fe14fcc3 | 589 | origenviron = environ; |
a0d0e21e | 590 | #endif |
ab821d7f | 591 | e_tmpname = Nullch; |
a0d0e21e LW |
592 | |
593 | if (do_undump) { | |
594 | ||
595 | /* Come here if running an undumped a.out. */ | |
596 | ||
597 | origfilename = savepv(argv[0]); | |
598 | do_undump = FALSE; | |
599 | cxstack_ix = -1; /* start label stack again */ | |
748a9306 | 600 | init_ids(); |
a0d0e21e LW |
601 | init_postdump_symbols(argc,argv,env); |
602 | return 0; | |
603 | } | |
604 | ||
ff0cee69 | 605 | if (main_root) { |
606 | curpad = AvARRAY(comppad); | |
a0d0e21e | 607 | op_free(main_root); |
ff0cee69 | 608 | main_root = Nullop; |
609 | } | |
610 | main_start = Nullop; | |
611 | SvREFCNT_dec(main_cv); | |
612 | main_cv = Nullcv; | |
79072805 | 613 | |
f86702cc | 614 | time(&basetime); |
2ae324a7 | 615 | oldscope = scopestack_ix; |
f86702cc | 616 | |
22921e25 CS |
617 | JMPENV_PUSH(ret); |
618 | switch (ret) { | |
79072805 | 619 | case 1: |
f86702cc | 620 | STATUS_ALL_FAILURE; |
621 | /* FALL THROUGH */ | |
79072805 | 622 | case 2: |
f86702cc | 623 | /* my_exit() was called */ |
2ae324a7 | 624 | while (scopestack_ix > oldscope) |
625 | LEAVE; | |
84902520 | 626 | FREETMPS; |
8990e307 LW |
627 | curstash = defstash; |
628 | if (endav) | |
68dc0745 | 629 | call_list(oldscope, endav); |
54310121 | 630 | JMPENV_POP; |
f86702cc | 631 | return STATUS_NATIVE_EXPORT; |
79072805 | 632 | case 3: |
54310121 | 633 | JMPENV_POP; |
760ac839 | 634 | PerlIO_printf(PerlIO_stderr(), "panic: top_env\n"); |
8990e307 | 635 | return 1; |
79072805 LW |
636 | } |
637 | ||
79072805 LW |
638 | sv_setpvn(linestr,"",0); |
639 | sv = newSVpv("",0); /* first used for -I flags */ | |
8990e307 | 640 | SAVEFREESV(sv); |
79072805 | 641 | init_main_stash(); |
54310121 | 642 | |
33b78306 | 643 | for (argc--,argv++; argc > 0; argc--,argv++) { |
8d063cd8 LW |
644 | if (argv[0][0] != '-' || !argv[0][1]) |
645 | break; | |
13281fa4 LW |
646 | #ifdef DOSUID |
647 | if (*validarg) | |
648 | validarg = " PHOOEY "; | |
649 | else | |
650 | validarg = argv[0]; | |
651 | #endif | |
652 | s = argv[0]+1; | |
8d063cd8 | 653 | reswitch: |
13281fa4 | 654 | switch (*s) { |
27e2fb84 | 655 | case '0': |
2304df62 | 656 | case 'F': |
378cc40b | 657 | case 'a': |
33b78306 | 658 | case 'c': |
a687059c | 659 | case 'd': |
8d063cd8 | 660 | case 'D': |
4633a7c4 | 661 | case 'h': |
33b78306 | 662 | case 'i': |
fe14fcc3 | 663 | case 'l': |
1a30305b | 664 | case 'M': |
665 | case 'm': | |
33b78306 LW |
666 | case 'n': |
667 | case 'p': | |
79072805 | 668 | case 's': |
33b78306 LW |
669 | case 'u': |
670 | case 'U': | |
671 | case 'v': | |
672 | case 'w': | |
673 | if (s = moreswitches(s)) | |
674 | goto reswitch; | |
8d063cd8 | 675 | break; |
33b78306 | 676 | |
f86702cc | 677 | case 'T': |
678 | tainting = TRUE; | |
679 | s++; | |
680 | goto reswitch; | |
681 | ||
8d063cd8 | 682 | case 'e': |
a687059c | 683 | if (euid != uid || egid != gid) |
463ee0b2 | 684 | croak("No -e allowed in setuid scripts"); |
8d063cd8 | 685 | if (!e_fp) { |
51fa4eea JH |
686 | #ifdef HAS_UMASK |
687 | int oldumask = PerlLIO_umask(0177); | |
688 | #endif | |
a0d0e21e | 689 | e_tmpname = savepv(TMPPATH); |
e5c9fcd0 AD |
690 | #ifdef HAS_MKSTEMP |
691 | e_tmpfd = PerlLIO_mkstemp(e_tmpname); | |
e5c9fcd0 | 692 | #else /* use mktemp() */ |
3028581b | 693 | (void)PerlLIO_mktemp(e_tmpname); |
83025b21 | 694 | if (!*e_tmpname) |
51fa4eea JH |
695 | croak("Cannot generate temporary filename"); |
696 | # if defined(HAS_OPEN3) && defined(O_EXCL) | |
697 | e_tmpfd = open(e_tmpname, | |
698 | O_WRONLY | O_CREAT | O_EXCL, | |
699 | 0600); | |
700 | # else | |
701 | (void)UNLINK(e_tmpname); | |
702 | /* Yes, potential race. But at least we can say we tried. */ | |
760ac839 | 703 | e_fp = PerlIO_open(e_tmpname,"w"); |
51fa4eea JH |
704 | # endif |
705 | #endif /* ifdef HAS_MKSTEMP */ | |
706 | #if defined(HAS_MKSTEMP) || (defined(HAS_OPEN3) && defined(O_EXCL)) | |
707 | if (e_tmpfd < 0) | |
708 | croak("Cannot create temporary file \"%s\"", e_tmpname); | |
709 | e_fp = PerlIO_fdopen(e_tmpfd,"w"); | |
710 | #endif | |
e5c9fcd0 | 711 | if (!e_fp) |
51fa4eea JH |
712 | croak("Cannot create temporary file \"%s\"", e_tmpname); |
713 | #ifdef HAS_UMASK | |
714 | (void)PerlLIO_umask(oldumask); | |
715 | #endif | |
8d063cd8 | 716 | } |
552a7a9b | 717 | if (*++s) |
718 | PerlIO_puts(e_fp,s); | |
719 | else if (argv[1]) { | |
760ac839 | 720 | PerlIO_puts(e_fp,argv[1]); |
33b78306 LW |
721 | argc--,argv++; |
722 | } | |
552a7a9b | 723 | else |
724 | croak("No code specified for -e"); | |
760ac839 | 725 | (void)PerlIO_putc(e_fp,'\n'); |
8d063cd8 | 726 | break; |
fb73857a | 727 | case 'I': /* -I handled both here and in moreswitches() */ |
bbce6d69 | 728 | forbid_setid("-I"); |
fb73857a | 729 | if (!*++s && (s=argv[1]) != Nullch) { |
8d063cd8 | 730 | argc--,argv++; |
8d063cd8 | 731 | } |
fb73857a | 732 | while (s && isSPACE(*s)) |
733 | ++s; | |
734 | if (s && *s) { | |
735 | char *e, *p; | |
736 | for (e = s; *e && !isSPACE(*e); e++) ; | |
737 | p = savepvn(s, e-s); | |
738 | incpush(p, TRUE); | |
739 | sv_catpv(sv,"-I"); | |
740 | sv_catpv(sv,p); | |
741 | sv_catpv(sv," "); | |
742 | Safefree(p); | |
743 | } /* XXX else croak? */ | |
8d063cd8 | 744 | break; |
8d063cd8 | 745 | case 'P': |
bbce6d69 | 746 | forbid_setid("-P"); |
8d063cd8 | 747 | preprocess = TRUE; |
13281fa4 | 748 | s++; |
8d063cd8 | 749 | goto reswitch; |
378cc40b | 750 | case 'S': |
bbce6d69 | 751 | forbid_setid("-S"); |
378cc40b | 752 | dosearch = TRUE; |
13281fa4 | 753 | s++; |
378cc40b | 754 | goto reswitch; |
1a30305b | 755 | case 'V': |
756 | if (!preambleav) | |
757 | preambleav = newAV(); | |
758 | av_push(preambleav, newSVpv("use Config qw(myconfig config_vars)",0)); | |
759 | if (*++s != ':') { | |
6e72f9df | 760 | Sv = newSVpv("print myconfig();",0); |
761 | #ifdef VMS | |
762 | sv_catpv(Sv,"print \"\\nCharacteristics of this PERLSHR image: \\n\","); | |
763 | #else | |
764 | sv_catpv(Sv,"print \"\\nCharacteristics of this binary (from libperl): \\n\","); | |
765 | #endif | |
54310121 | 766 | #if defined(DEBUGGING) || defined(NO_EMBED) || defined(MULTIPLICITY) |
46fc3d4c | 767 | sv_catpv(Sv,"\" Compile-time options:"); |
6e72f9df | 768 | # ifdef DEBUGGING |
46fc3d4c | 769 | sv_catpv(Sv," DEBUGGING"); |
6e72f9df | 770 | # endif |
54310121 | 771 | # ifdef NO_EMBED |
46fc3d4c | 772 | sv_catpv(Sv," NO_EMBED"); |
6e72f9df | 773 | # endif |
774 | # ifdef MULTIPLICITY | |
46fc3d4c | 775 | sv_catpv(Sv," MULTIPLICITY"); |
6e72f9df | 776 | # endif |
46fc3d4c | 777 | sv_catpv(Sv,"\\n\","); |
6e72f9df | 778 | #endif |
779 | #if defined(LOCAL_PATCH_COUNT) | |
54310121 | 780 | if (LOCAL_PATCH_COUNT > 0) { |
781 | int i; | |
5cd24f17 | 782 | sv_catpv(Sv,"\" Locally applied patches:\\n\","); |
6e72f9df | 783 | for (i = 1; i <= LOCAL_PATCH_COUNT; i++) { |
46fc3d4c | 784 | if (localpatches[i]) |
785 | sv_catpvf(Sv,"\" \\t%s\\n\",",localpatches[i]); | |
6e72f9df | 786 | } |
787 | } | |
788 | #endif | |
46fc3d4c | 789 | sv_catpvf(Sv,"\" Built under %s\\n\"",OSNAME); |
6e72f9df | 790 | #ifdef __DATE__ |
791 | # ifdef __TIME__ | |
46fc3d4c | 792 | sv_catpvf(Sv,",\" Compiled at %s %s\\n\"",__DATE__,__TIME__); |
6e72f9df | 793 | # else |
46fc3d4c | 794 | sv_catpvf(Sv,",\" Compiled on %s\\n\"",__DATE__); |
6e72f9df | 795 | # endif |
6e72f9df | 796 | #endif |
54310121 | 797 | sv_catpv(Sv, "; \ |
798 | $\"=\"\\n \"; \ | |
799 | @env = map { \"$_=\\\"$ENV{$_}\\\"\" } sort grep {/^PERL/} keys %ENV; \ | |
800 | print \" \\%ENV:\\n @env\\n\" if @env; \ | |
801 | print \" \\@INC:\\n @INC\\n\";"); | |
1a30305b | 802 | } |
803 | else { | |
804 | Sv = newSVpv("config_vars(qw(",0); | |
805 | sv_catpv(Sv, ++s); | |
806 | sv_catpv(Sv, "))"); | |
807 | s += strlen(s); | |
808 | } | |
809 | av_push(preambleav, Sv); | |
c07a80fd | 810 | scriptname = BIT_BUCKET; /* don't look for script or read stdin */ |
1a30305b | 811 | goto reswitch; |
33b78306 LW |
812 | case 'x': |
813 | doextract = TRUE; | |
13281fa4 | 814 | s++; |
33b78306 | 815 | if (*s) |
a0d0e21e | 816 | cddir = savepv(s); |
33b78306 | 817 | break; |
8d063cd8 LW |
818 | case 0: |
819 | break; | |
fb73857a | 820 | case '-': |
821 | if (!*++s || isSPACE(*s)) { | |
822 | argc--,argv++; | |
823 | goto switch_end; | |
824 | } | |
825 | /* catch use of gnu style long options */ | |
826 | if (strEQ(s, "version")) { | |
827 | s = "v"; | |
828 | goto reswitch; | |
829 | } | |
830 | if (strEQ(s, "help")) { | |
831 | s = "h"; | |
832 | goto reswitch; | |
833 | } | |
834 | s--; | |
835 | /* FALL THROUGH */ | |
8d063cd8 | 836 | default: |
90248788 | 837 | croak("Unrecognized switch: -%s (-h will show valid options)",s); |
8d063cd8 LW |
838 | } |
839 | } | |
840 | switch_end: | |
54310121 | 841 | |
5fd9e9a4 | 842 | if (!tainting && (s = PerlEnv_getenv("PERL5OPT"))) { |
fb73857a | 843 | while (s && *s) { |
54310121 | 844 | while (isSPACE(*s)) |
845 | s++; | |
846 | if (*s == '-') { | |
847 | s++; | |
848 | if (isSPACE(*s)) | |
849 | continue; | |
850 | } | |
851 | if (!*s) | |
852 | break; | |
853 | if (!strchr("DIMUdmw", *s)) | |
854 | croak("Illegal switch in PERL5OPT: -%c", *s); | |
855 | s = moreswitches(s); | |
856 | } | |
857 | } | |
858 | ||
1a30305b | 859 | if (!scriptname) |
860 | scriptname = argv[0]; | |
8d063cd8 | 861 | if (e_fp) { |
68dc0745 | 862 | if (PerlIO_flush(e_fp) || PerlIO_error(e_fp) || PerlIO_close(e_fp)) { |
863 | #ifndef MULTIPLICITY | |
864 | warn("Did you forget to compile with -DMULTIPLICITY?"); | |
865 | #endif | |
2304df62 | 866 | croak("Can't write to temp file for -e: %s", Strerror(errno)); |
68dc0745 | 867 | } |
ab821d7f | 868 | e_fp = Nullfp; |
8d063cd8 | 869 | argc++,argv--; |
45d8adaa | 870 | scriptname = e_tmpname; |
8d063cd8 | 871 | } |
79072805 LW |
872 | else if (scriptname == Nullch) { |
873 | #ifdef MSDOS | |
3028581b | 874 | if ( PerlLIO_isatty(PerlIO_fileno(PerlIO_stdin())) ) |
55497cff | 875 | moreswitches("h"); |
fe14fcc3 | 876 | #endif |
79072805 LW |
877 | scriptname = "-"; |
878 | } | |
fe14fcc3 | 879 | |
79072805 | 880 | init_perllib(); |
8d063cd8 | 881 | |
79072805 | 882 | open_script(scriptname,dosearch,sv); |
8d063cd8 | 883 | |
96436eeb | 884 | validate_suid(validarg, scriptname); |
378cc40b | 885 | |
79072805 LW |
886 | if (doextract) |
887 | find_beginning(); | |
888 | ||
4fdae800 | 889 | main_cv = compcv = (CV*)NEWSV(1104,0); |
748a9306 | 890 | sv_upgrade((SV *)compcv, SVt_PVCV); |
07055b4c | 891 | CvUNIQUE_on(compcv); |
748a9306 | 892 | |
6e72f9df | 893 | comppad = newAV(); |
79072805 LW |
894 | av_push(comppad, Nullsv); |
895 | curpad = AvARRAY(comppad); | |
6e72f9df | 896 | comppad_name = newAV(); |
8990e307 | 897 | comppad_name_fill = 0; |
e858de61 MB |
898 | min_intro_pending = 0; |
899 | padix = 0; | |
11343788 MB |
900 | #ifdef USE_THREADS |
901 | av_store(comppad_name, 0, newSVpv("@_", 2)); | |
e858de61 | 902 | curpad[0] = (SV*)newAV(); |
6d4ff0d2 | 903 | SvPADMY_on(curpad[0]); /* XXX Needed? */ |
e858de61 | 904 | CvOWNER(compcv) = 0; |
12ca11f6 | 905 | New(666, CvMUTEXP(compcv), 1, perl_mutex); |
e858de61 | 906 | MUTEX_INIT(CvMUTEXP(compcv)); |
11343788 | 907 | #endif /* USE_THREADS */ |
79072805 | 908 | |
748a9306 LW |
909 | comppadlist = newAV(); |
910 | AvREAL_off(comppadlist); | |
8e07c86e AD |
911 | av_store(comppadlist, 0, (SV*)comppad_name); |
912 | av_store(comppadlist, 1, (SV*)comppad); | |
748a9306 LW |
913 | CvPADLIST(compcv) = comppadlist; |
914 | ||
6e72f9df | 915 | boot_core_UNIVERSAL(); |
a0d0e21e LW |
916 | if (xsinit) |
917 | (*xsinit)(); /* in case linked C routines want magical variables */ | |
39e571d4 | 918 | #if defined(VMS) || defined(WIN32) || defined(DJGPP) |
748a9306 LW |
919 | init_os_extras(); |
920 | #endif | |
93a17b20 | 921 | |
93a17b20 | 922 | init_predump_symbols(); |
8990e307 LW |
923 | if (!do_undump) |
924 | init_postdump_symbols(argc,argv,env); | |
93a17b20 | 925 | |
79072805 LW |
926 | init_lexer(); |
927 | ||
928 | /* now parse the script */ | |
929 | ||
61bb5906 | 930 | SETERRNO(0,SS$_NORMAL); |
79072805 LW |
931 | error_count = 0; |
932 | if (yyparse() || error_count) { | |
933 | if (minus_c) | |
463ee0b2 | 934 | croak("%s had compilation errors.\n", origfilename); |
79072805 | 935 | else { |
463ee0b2 | 936 | croak("Execution of %s aborted due to compilation errors.\n", |
79072805 | 937 | origfilename); |
378cc40b | 938 | } |
79072805 LW |
939 | } |
940 | curcop->cop_line = 0; | |
941 | curstash = defstash; | |
942 | preprocess = FALSE; | |
ab821d7f | 943 | if (e_tmpname) { |
79072805 | 944 | (void)UNLINK(e_tmpname); |
ab821d7f | 945 | Safefree(e_tmpname); |
946 | e_tmpname = Nullch; | |
e5c9fcd0 | 947 | e_tmpfd = -1; |
378cc40b | 948 | } |
a687059c | 949 | |
93a17b20 | 950 | /* now that script is parsed, we can modify record separator */ |
c07a80fd | 951 | SvREFCNT_dec(rs); |
952 | rs = SvREFCNT_inc(nrs); | |
e1c148c2 | 953 | sv_setsv(perl_get_sv("/", TRUE), rs); |
79072805 LW |
954 | if (do_undump) |
955 | my_unexec(); | |
956 | ||
8990e307 LW |
957 | if (dowarn) |
958 | gv_check(defstash); | |
959 | ||
a0d0e21e LW |
960 | LEAVE; |
961 | FREETMPS; | |
c07a80fd | 962 | |
3562ef9b | 963 | #ifdef MYMALLOC |
5fd9e9a4 | 964 | if ((s=PerlEnv_getenv("PERL_DEBUG_MSTATS")) && atoi(s) >= 2) |
c07a80fd | 965 | dump_mstats("after compilation:"); |
966 | #endif | |
967 | ||
a0d0e21e LW |
968 | ENTER; |
969 | restartop = 0; | |
54310121 | 970 | JMPENV_POP; |
79072805 LW |
971 | return 0; |
972 | } | |
973 | ||
974 | int | |
8ac85365 | 975 | perl_run(PerlInterpreter *sv_interp) |
79072805 | 976 | { |
e336de0d | 977 | dSP; |
2ae324a7 | 978 | I32 oldscope; |
22921e25 CS |
979 | dJMPENV; |
980 | int ret; | |
2ae324a7 | 981 | |
79072805 LW |
982 | if (!(curinterp = sv_interp)) |
983 | return 255; | |
2ae324a7 | 984 | |
985 | oldscope = scopestack_ix; | |
986 | ||
22921e25 CS |
987 | JMPENV_PUSH(ret); |
988 | switch (ret) { | |
79072805 LW |
989 | case 1: |
990 | cxstack_ix = -1; /* start context stack again */ | |
991 | break; | |
992 | case 2: | |
f86702cc | 993 | /* my_exit() was called */ |
2ae324a7 | 994 | while (scopestack_ix > oldscope) |
995 | LEAVE; | |
84902520 | 996 | FREETMPS; |
79072805 | 997 | curstash = defstash; |
93a17b20 | 998 | if (endav) |
68dc0745 | 999 | call_list(oldscope, endav); |
3562ef9b | 1000 | #ifdef MYMALLOC |
5fd9e9a4 | 1001 | if (PerlEnv_getenv("PERL_DEBUG_MSTATS")) |
c07a80fd | 1002 | dump_mstats("after execution: "); |
1003 | #endif | |
54310121 | 1004 | JMPENV_POP; |
f86702cc | 1005 | return STATUS_NATIVE_EXPORT; |
79072805 LW |
1006 | case 3: |
1007 | if (!restartop) { | |
760ac839 | 1008 | PerlIO_printf(PerlIO_stderr(), "panic: restartop\n"); |
a0d0e21e | 1009 | FREETMPS; |
54310121 | 1010 | JMPENV_POP; |
8990e307 | 1011 | return 1; |
83025b21 | 1012 | } |
e336de0d | 1013 | POPSTACK_TO(mainstack); |
79072805 | 1014 | break; |
8d063cd8 | 1015 | } |
79072805 | 1016 | |
fb73857a | 1017 | DEBUG_r(PerlIO_printf(Perl_debug_log, "%s $` $& $' support.\n", |
6e72f9df | 1018 | sawampersand ? "Enabling" : "Omitting")); |
1019 | ||
79072805 LW |
1020 | if (!restartop) { |
1021 | DEBUG_x(dump_all()); | |
760ac839 | 1022 | DEBUG(PerlIO_printf(Perl_debug_log, "\nEXECUTING...\n\n")); |
11343788 | 1023 | #ifdef USE_THREADS |
5dc0d613 MB |
1024 | DEBUG_L(PerlIO_printf(Perl_debug_log, "main thread is 0x%lx\n", |
1025 | (unsigned long) thr)); | |
11343788 | 1026 | #endif /* USE_THREADS */ |
79072805 LW |
1027 | |
1028 | if (minus_c) { | |
760ac839 | 1029 | PerlIO_printf(PerlIO_stderr(), "%s syntax OK\n", origfilename); |
79072805 LW |
1030 | my_exit(0); |
1031 | } | |
84902520 | 1032 | if (PERLDB_SINGLE && DBsingle) |
a0d0e21e | 1033 | sv_setiv(DBsingle, 1); |
7d07dbc2 MB |
1034 | if (initav) |
1035 | call_list(oldscope, initav); | |
45d8adaa | 1036 | } |
79072805 LW |
1037 | |
1038 | /* do it */ | |
1039 | ||
1040 | if (restartop) { | |
1041 | op = restartop; | |
1042 | restartop = 0; | |
ab821d7f | 1043 | runops(); |
79072805 LW |
1044 | } |
1045 | else if (main_start) { | |
4fdae800 | 1046 | CvDEPTH(main_cv) = 1; |
79072805 | 1047 | op = main_start; |
ab821d7f | 1048 | runops(); |
79072805 | 1049 | } |
79072805 LW |
1050 | |
1051 | my_exit(0); | |
54310121 | 1052 | /* NOTREACHED */ |
a0d0e21e | 1053 | return 0; |
79072805 LW |
1054 | } |
1055 | ||
a0d0e21e | 1056 | SV* |
8ac85365 | 1057 | perl_get_sv(char *name, I32 create) |
a0d0e21e | 1058 | { |
2faa37cc | 1059 | GV *gv; |
38a03e6e | 1060 | #ifdef USE_THREADS |
2faa37cc | 1061 | if (name[1] == '\0' && !isALPHA(name[0])) { |
54b9620d | 1062 | PADOFFSET tmp = find_threadsv(name); |
2faa37cc MB |
1063 | if (tmp != NOT_IN_PAD) { |
1064 | dTHR; | |
940cb80d | 1065 | return THREADSV(tmp); |
2faa37cc | 1066 | } |
38a03e6e MB |
1067 | } |
1068 | #endif /* USE_THREADS */ | |
2faa37cc | 1069 | gv = gv_fetchpv(name, create, SVt_PV); |
a0d0e21e LW |
1070 | if (gv) |
1071 | return GvSV(gv); | |
1072 | return Nullsv; | |
1073 | } | |
1074 | ||
1075 | AV* | |
8ac85365 | 1076 | perl_get_av(char *name, I32 create) |
a0d0e21e LW |
1077 | { |
1078 | GV* gv = gv_fetchpv(name, create, SVt_PVAV); | |
1079 | if (create) | |
1080 | return GvAVn(gv); | |
1081 | if (gv) | |
1082 | return GvAV(gv); | |
1083 | return Nullav; | |
1084 | } | |
1085 | ||
1086 | HV* | |
8ac85365 | 1087 | perl_get_hv(char *name, I32 create) |
a0d0e21e LW |
1088 | { |
1089 | GV* gv = gv_fetchpv(name, create, SVt_PVHV); | |
1090 | if (create) | |
1091 | return GvHVn(gv); | |
1092 | if (gv) | |
1093 | return GvHV(gv); | |
1094 | return Nullhv; | |
1095 | } | |
1096 | ||
1097 | CV* | |
8ac85365 | 1098 | perl_get_cv(char *name, I32 create) |
a0d0e21e LW |
1099 | { |
1100 | GV* gv = gv_fetchpv(name, create, SVt_PVCV); | |
8ebc5c01 | 1101 | if (create && !GvCVu(gv)) |
774d564b | 1102 | return newSUB(start_subparse(FALSE, 0), |
a0d0e21e | 1103 | newSVOP(OP_CONST, 0, newSVpv(name,0)), |
4633a7c4 | 1104 | Nullop, |
a0d0e21e LW |
1105 | Nullop); |
1106 | if (gv) | |
8ebc5c01 | 1107 | return GvCVu(gv); |
a0d0e21e LW |
1108 | return Nullcv; |
1109 | } | |
1110 | ||
79072805 LW |
1111 | /* Be sure to refetch the stack pointer after calling these routines. */ |
1112 | ||
a0d0e21e | 1113 | I32 |
22239a37 | 1114 | perl_call_argv(char *sub_name, I32 flags, register char **argv) |
8ac85365 NIS |
1115 | |
1116 | /* See G_* flags in cop.h */ | |
1117 | /* null terminated arg list */ | |
8990e307 | 1118 | { |
a0d0e21e | 1119 | dSP; |
8990e307 | 1120 | |
924508f0 | 1121 | PUSHMARK(SP); |
a0d0e21e | 1122 | if (argv) { |
8990e307 | 1123 | while (*argv) { |
a0d0e21e | 1124 | XPUSHs(sv_2mortal(newSVpv(*argv,0))); |
8990e307 LW |
1125 | argv++; |
1126 | } | |
a0d0e21e | 1127 | PUTBACK; |
8990e307 | 1128 | } |
22239a37 | 1129 | return perl_call_pv(sub_name, flags); |
8990e307 LW |
1130 | } |
1131 | ||
a0d0e21e | 1132 | I32 |
22239a37 | 1133 | perl_call_pv(char *sub_name, I32 flags) |
8ac85365 NIS |
1134 | /* name of the subroutine */ |
1135 | /* See G_* flags in cop.h */ | |
a0d0e21e | 1136 | { |
22239a37 | 1137 | return perl_call_sv((SV*)perl_get_cv(sub_name, TRUE), flags); |
a0d0e21e LW |
1138 | } |
1139 | ||
1140 | I32 | |
8ac85365 NIS |
1141 | perl_call_method(char *methname, I32 flags) |
1142 | /* name of the subroutine */ | |
1143 | /* See G_* flags in cop.h */ | |
a0d0e21e LW |
1144 | { |
1145 | dSP; | |
1146 | OP myop; | |
1147 | if (!op) | |
1148 | op = &myop; | |
1149 | XPUSHs(sv_2mortal(newSVpv(methname,0))); | |
1150 | PUTBACK; | |
11343788 | 1151 | pp_method(ARGS); |
a0d0e21e LW |
1152 | return perl_call_sv(*stack_sp--, flags); |
1153 | } | |
1154 | ||
1155 | /* May be called with any of a CV, a GV, or an SV containing the name. */ | |
1156 | I32 | |
8ac85365 NIS |
1157 | perl_call_sv(SV *sv, I32 flags) |
1158 | ||
1159 | /* See G_* flags in cop.h */ | |
a0d0e21e | 1160 | { |
924508f0 | 1161 | dSP; |
a0d0e21e | 1162 | LOGOP myop; /* fake syntax tree node */ |
aa689395 | 1163 | I32 oldmark; |
a0d0e21e | 1164 | I32 retval; |
a0d0e21e | 1165 | I32 oldscope; |
6e72f9df | 1166 | static CV *DBcv; |
54310121 | 1167 | bool oldcatch = CATCH_GET; |
1168 | dJMPENV; | |
22921e25 | 1169 | int ret; |
d6602a8c | 1170 | OP* oldop = op; |
1e422769 | 1171 | |
a0d0e21e LW |
1172 | if (flags & G_DISCARD) { |
1173 | ENTER; | |
1174 | SAVETMPS; | |
1175 | } | |
1176 | ||
aa689395 | 1177 | Zero(&myop, 1, LOGOP); |
54310121 | 1178 | myop.op_next = Nullop; |
f51d4af5 | 1179 | if (!(flags & G_NOARGS)) |
aa689395 | 1180 | myop.op_flags |= OPf_STACKED; |
54310121 | 1181 | myop.op_flags |= ((flags & G_VOID) ? OPf_WANT_VOID : |
1182 | (flags & G_ARRAY) ? OPf_WANT_LIST : | |
1183 | OPf_WANT_SCALAR); | |
462e5cf6 | 1184 | SAVEOP(); |
a0d0e21e | 1185 | op = (OP*)&myop; |
aa689395 | 1186 | |
a0d0e21e LW |
1187 | EXTEND(stack_sp, 1); |
1188 | *++stack_sp = sv; | |
aa689395 | 1189 | oldmark = TOPMARK; |
a0d0e21e LW |
1190 | oldscope = scopestack_ix; |
1191 | ||
84902520 | 1192 | if (PERLDB_SUB && curstash != debstash |
36477c24 | 1193 | /* Handle first BEGIN of -d. */ |
1194 | && (DBcv || (DBcv = GvCV(DBsub))) | |
1195 | /* Try harder, since this may have been a sighandler, thus | |
1196 | * curstash may be meaningless. */ | |
1197 | && (SvTYPE(sv) != SVt_PVCV || CvSTASH((CV*)sv) != debstash)) | |
6e72f9df | 1198 | op->op_private |= OPpENTERSUB_DB; |
a0d0e21e LW |
1199 | |
1200 | if (flags & G_EVAL) { | |
a0d0e21e LW |
1201 | cLOGOP->op_other = op; |
1202 | markstack_ptr--; | |
4633a7c4 LW |
1203 | /* we're trying to emulate pp_entertry() here */ |
1204 | { | |
c09156bb | 1205 | register PERL_CONTEXT *cx; |
54310121 | 1206 | I32 gimme = GIMME_V; |
4633a7c4 LW |
1207 | |
1208 | ENTER; | |
1209 | SAVETMPS; | |
1210 | ||
1211 | push_return(op->op_next); | |
1212 | PUSHBLOCK(cx, CXt_EVAL, stack_sp); | |
1213 | PUSHEVAL(cx, 0, 0); | |
1214 | eval_root = op; /* Only needed so that goto works right. */ | |
1215 | ||
1216 | in_eval = 1; | |
1217 | if (flags & G_KEEPERR) | |
1218 | in_eval |= 4; | |
1219 | else | |
38a03e6e | 1220 | sv_setpv(ERRSV,""); |
4633a7c4 | 1221 | } |
a0d0e21e LW |
1222 | markstack_ptr++; |
1223 | ||
22921e25 CS |
1224 | JMPENV_PUSH(ret); |
1225 | switch (ret) { | |
a0d0e21e LW |
1226 | case 0: |
1227 | break; | |
1228 | case 1: | |
f86702cc | 1229 | STATUS_ALL_FAILURE; |
a0d0e21e LW |
1230 | /* FALL THROUGH */ |
1231 | case 2: | |
1232 | /* my_exit() was called */ | |
1233 | curstash = defstash; | |
1234 | FREETMPS; | |
54310121 | 1235 | JMPENV_POP; |
a0d0e21e LW |
1236 | if (statusvalue) |
1237 | croak("Callback called exit"); | |
f86702cc | 1238 | my_exit_jump(); |
a0d0e21e LW |
1239 | /* NOTREACHED */ |
1240 | case 3: | |
1241 | if (restartop) { | |
1242 | op = restartop; | |
1243 | restartop = 0; | |
54310121 | 1244 | break; |
a0d0e21e LW |
1245 | } |
1246 | stack_sp = stack_base + oldmark; | |
1247 | if (flags & G_ARRAY) | |
1248 | retval = 0; | |
1249 | else { | |
1250 | retval = 1; | |
1251 | *++stack_sp = &sv_undef; | |
1252 | } | |
1253 | goto cleanup; | |
1254 | } | |
1255 | } | |
1e422769 | 1256 | else |
54310121 | 1257 | CATCH_SET(TRUE); |
a0d0e21e LW |
1258 | |
1259 | if (op == (OP*)&myop) | |
11343788 | 1260 | op = pp_entersub(ARGS); |
a0d0e21e | 1261 | if (op) |
ab821d7f | 1262 | runops(); |
a0d0e21e | 1263 | retval = stack_sp - (stack_base + oldmark); |
4633a7c4 | 1264 | if ((flags & G_EVAL) && !(flags & G_KEEPERR)) |
38a03e6e | 1265 | sv_setpv(ERRSV,""); |
a0d0e21e LW |
1266 | |
1267 | cleanup: | |
1268 | if (flags & G_EVAL) { | |
1269 | if (scopestack_ix > oldscope) { | |
a0a2876f LW |
1270 | SV **newsp; |
1271 | PMOP *newpm; | |
1272 | I32 gimme; | |
c09156bb | 1273 | register PERL_CONTEXT *cx; |
a0a2876f LW |
1274 | I32 optype; |
1275 | ||
1276 | POPBLOCK(cx,newpm); | |
1277 | POPEVAL(cx); | |
1278 | pop_return(); | |
1279 | curpm = newpm; | |
1280 | LEAVE; | |
a0d0e21e | 1281 | } |
54310121 | 1282 | JMPENV_POP; |
a0d0e21e | 1283 | } |
1e422769 | 1284 | else |
54310121 | 1285 | CATCH_SET(oldcatch); |
1e422769 | 1286 | |
a0d0e21e LW |
1287 | if (flags & G_DISCARD) { |
1288 | stack_sp = stack_base + oldmark; | |
1289 | retval = 0; | |
1290 | FREETMPS; | |
1291 | LEAVE; | |
1292 | } | |
d6602a8c | 1293 | op = oldop; |
a0d0e21e LW |
1294 | return retval; |
1295 | } | |
1296 | ||
6e72f9df | 1297 | /* Eval a string. The G_EVAL flag is always assumed. */ |
8990e307 | 1298 | |
a0d0e21e | 1299 | I32 |
8ac85365 NIS |
1300 | perl_eval_sv(SV *sv, I32 flags) |
1301 | ||
1302 | /* See G_* flags in cop.h */ | |
a0d0e21e | 1303 | { |
924508f0 | 1304 | dSP; |
a0d0e21e | 1305 | UNOP myop; /* fake syntax tree node */ |
924508f0 | 1306 | I32 oldmark = SP - stack_base; |
4633a7c4 | 1307 | I32 retval; |
4633a7c4 | 1308 | I32 oldscope; |
54310121 | 1309 | dJMPENV; |
22921e25 | 1310 | int ret; |
84902520 TB |
1311 | OP* oldop = op; |
1312 | ||
4633a7c4 LW |
1313 | if (flags & G_DISCARD) { |
1314 | ENTER; | |
1315 | SAVETMPS; | |
1316 | } | |
1317 | ||
462e5cf6 | 1318 | SAVEOP(); |
79072805 | 1319 | op = (OP*)&myop; |
a0d0e21e | 1320 | Zero(op, 1, UNOP); |
4633a7c4 LW |
1321 | EXTEND(stack_sp, 1); |
1322 | *++stack_sp = sv; | |
1323 | oldscope = scopestack_ix; | |
79072805 | 1324 | |
4633a7c4 LW |
1325 | if (!(flags & G_NOARGS)) |
1326 | myop.op_flags = OPf_STACKED; | |
79072805 | 1327 | myop.op_next = Nullop; |
6e72f9df | 1328 | myop.op_type = OP_ENTEREVAL; |
54310121 | 1329 | myop.op_flags |= ((flags & G_VOID) ? OPf_WANT_VOID : |
1330 | (flags & G_ARRAY) ? OPf_WANT_LIST : | |
1331 | OPf_WANT_SCALAR); | |
6e72f9df | 1332 | if (flags & G_KEEPERR) |
1333 | myop.op_flags |= OPf_SPECIAL; | |
4633a7c4 | 1334 | |
22921e25 CS |
1335 | JMPENV_PUSH(ret); |
1336 | switch (ret) { | |
4633a7c4 LW |
1337 | case 0: |
1338 | break; | |
1339 | case 1: | |
f86702cc | 1340 | STATUS_ALL_FAILURE; |
4633a7c4 LW |
1341 | /* FALL THROUGH */ |
1342 | case 2: | |
1343 | /* my_exit() was called */ | |
1344 | curstash = defstash; | |
1345 | FREETMPS; | |
54310121 | 1346 | JMPENV_POP; |
4633a7c4 LW |
1347 | if (statusvalue) |
1348 | croak("Callback called exit"); | |
f86702cc | 1349 | my_exit_jump(); |
4633a7c4 LW |
1350 | /* NOTREACHED */ |
1351 | case 3: | |
1352 | if (restartop) { | |
1353 | op = restartop; | |
1354 | restartop = 0; | |
54310121 | 1355 | break; |
4633a7c4 LW |
1356 | } |
1357 | stack_sp = stack_base + oldmark; | |
1358 | if (flags & G_ARRAY) | |
1359 | retval = 0; | |
1360 | else { | |
1361 | retval = 1; | |
1362 | *++stack_sp = &sv_undef; | |
1363 | } | |
1364 | goto cleanup; | |
1365 | } | |
1366 | ||
1367 | if (op == (OP*)&myop) | |
11343788 | 1368 | op = pp_entereval(ARGS); |
4633a7c4 | 1369 | if (op) |
ab821d7f | 1370 | runops(); |
4633a7c4 | 1371 | retval = stack_sp - (stack_base + oldmark); |
6e72f9df | 1372 | if (!(flags & G_KEEPERR)) |
38a03e6e | 1373 | sv_setpv(ERRSV,""); |
4633a7c4 LW |
1374 | |
1375 | cleanup: | |
54310121 | 1376 | JMPENV_POP; |
4633a7c4 LW |
1377 | if (flags & G_DISCARD) { |
1378 | stack_sp = stack_base + oldmark; | |
1379 | retval = 0; | |
1380 | FREETMPS; | |
1381 | LEAVE; | |
1382 | } | |
84902520 | 1383 | op = oldop; |
4633a7c4 LW |
1384 | return retval; |
1385 | } | |
1386 | ||
137443ea | 1387 | SV* |
8ac85365 | 1388 | perl_eval_pv(char *p, I32 croak_on_error) |
137443ea | 1389 | { |
1390 | dSP; | |
1391 | SV* sv = newSVpv(p, 0); | |
1392 | ||
924508f0 | 1393 | PUSHMARK(SP); |
137443ea | 1394 | perl_eval_sv(sv, G_SCALAR); |
1395 | SvREFCNT_dec(sv); | |
1396 | ||
1397 | SPAGAIN; | |
1398 | sv = POPs; | |
1399 | PUTBACK; | |
1400 | ||
38a03e6e MB |
1401 | if (croak_on_error && SvTRUE(ERRSV)) |
1402 | croak(SvPVx(ERRSV, na)); | |
137443ea | 1403 | |
1404 | return sv; | |
1405 | } | |
1406 | ||
4633a7c4 LW |
1407 | /* Require a module. */ |
1408 | ||
1409 | void | |
8ac85365 | 1410 | perl_require_pv(char *pv) |
4633a7c4 LW |
1411 | { |
1412 | SV* sv = sv_newmortal(); | |
1413 | sv_setpv(sv, "require '"); | |
1414 | sv_catpv(sv, pv); | |
1415 | sv_catpv(sv, "'"); | |
1416 | perl_eval_sv(sv, G_DISCARD); | |
79072805 LW |
1417 | } |
1418 | ||
79072805 | 1419 | void |
8ac85365 | 1420 | magicname(char *sym, char *name, I32 namlen) |
79072805 LW |
1421 | { |
1422 | register GV *gv; | |
1423 | ||
85e6fe83 | 1424 | if (gv = gv_fetchpv(sym,TRUE, SVt_PV)) |
79072805 LW |
1425 | sv_magic(GvSV(gv), (SV*)gv, 0, name, namlen); |
1426 | } | |
1427 | ||
ab821d7f | 1428 | static void |
8ac85365 NIS |
1429 | usage(char *name) /* XXX move this out into a module ? */ |
1430 | ||
4633a7c4 | 1431 | { |
ab821d7f | 1432 | /* This message really ought to be max 23 lines. |
1433 | * Removed -h because the user already knows that opton. Others? */ | |
fb73857a | 1434 | |
1435 | static char *usage[] = { | |
1436 | "-0[octal] specify record separator (\\0, if no argument)", | |
1437 | "-a autosplit mode with -n or -p (splits $_ into @F)", | |
1438 | "-c check syntax only (runs BEGIN and END blocks)", | |
1439 | "-d[:debugger] run scripts under debugger", | |
1440 | "-D[number/list] set debugging flags (argument is a bit mask or flags)", | |
1441 | "-e 'command' one line of script. Several -e's allowed. Omit [programfile].", | |
1442 | "-F/pattern/ split() pattern for autosplit (-a). The //'s are optional.", | |
1443 | "-i[extension] edit <> files in place (make backup if extension supplied)", | |
1444 | "-Idirectory specify @INC/#include directory (may be used more than once)", | |
1445 | "-l[octal] enable line ending processing, specifies line terminator", | |
1446 | "-[mM][-]module.. executes `use/no module...' before executing your script.", | |
1447 | "-n assume 'while (<>) { ... }' loop around your script", | |
1448 | "-p assume loop like -n but print line also like sed", | |
1449 | "-P run script through C preprocessor before compilation", | |
1450 | "-s enable some switch parsing for switches after script name", | |
1451 | "-S look for the script using PATH environment variable", | |
1452 | "-T turn on tainting checks", | |
1453 | "-u dump core after parsing script", | |
1454 | "-U allow unsafe operations", | |
1455 | "-v print version number and patchlevel of perl", | |
1456 | "-V[:variable] print perl configuration information", | |
1457 | "-w TURN WARNINGS ON FOR COMPILATION OF YOUR SCRIPT. Recommended.", | |
1458 | "-x[directory] strip off text before #!perl line and perhaps cd to directory", | |
1459 | "\n", | |
1460 | NULL | |
1461 | }; | |
1462 | char **p = usage; | |
1463 | ||
ab821d7f | 1464 | printf("\nUsage: %s [switches] [--] [programfile] [arguments]", name); |
fb73857a | 1465 | while (*p) |
1466 | printf("\n %s", *p++); | |
4633a7c4 LW |
1467 | } |
1468 | ||
79072805 LW |
1469 | /* This routine handles any switches that can be given during run */ |
1470 | ||
1471 | char * | |
8ac85365 | 1472 | moreswitches(char *s) |
79072805 LW |
1473 | { |
1474 | I32 numlen; | |
c07a80fd | 1475 | U32 rschar; |
79072805 LW |
1476 | |
1477 | switch (*s) { | |
1478 | case '0': | |
a863c7d1 MB |
1479 | { |
1480 | dTHR; | |
c07a80fd | 1481 | rschar = scan_oct(s, 4, &numlen); |
1482 | SvREFCNT_dec(nrs); | |
1483 | if (rschar & ~((U8)~0)) | |
1484 | nrs = &sv_undef; | |
1485 | else if (!rschar && numlen >= 2) | |
1486 | nrs = newSVpv("", 0); | |
1487 | else { | |
1488 | char ch = rschar; | |
1489 | nrs = newSVpv(&ch, 1); | |
79072805 LW |
1490 | } |
1491 | return s + numlen; | |
a863c7d1 | 1492 | } |
2304df62 AD |
1493 | case 'F': |
1494 | minus_F = TRUE; | |
a0d0e21e | 1495 | splitstr = savepv(s + 1); |
2304df62 AD |
1496 | s += strlen(s); |
1497 | return s; | |
79072805 LW |
1498 | case 'a': |
1499 | minus_a = TRUE; | |
1500 | s++; | |
1501 | return s; | |
1502 | case 'c': | |
1503 | minus_c = TRUE; | |
1504 | s++; | |
1505 | return s; | |
1506 | case 'd': | |
bbce6d69 | 1507 | forbid_setid("-d"); |
4633a7c4 | 1508 | s++; |
c07a80fd | 1509 | if (*s == ':' || *s == '=') { |
46fc3d4c | 1510 | my_setenv("PERL5DB", form("use Devel::%s;", ++s)); |
4633a7c4 | 1511 | s += strlen(s); |
4633a7c4 | 1512 | } |
a0d0e21e | 1513 | if (!perldb) { |
84902520 | 1514 | perldb = PERLDB_ALL; |
a0d0e21e LW |
1515 | init_debugger(); |
1516 | } | |
79072805 LW |
1517 | return s; |
1518 | case 'D': | |
1519 | #ifdef DEBUGGING | |
bbce6d69 | 1520 | forbid_setid("-D"); |
79072805 | 1521 | if (isALPHA(s[1])) { |
8990e307 | 1522 | static char debopts[] = "psltocPmfrxuLHXD"; |
79072805 LW |
1523 | char *d; |
1524 | ||
93a17b20 | 1525 | for (s++; *s && (d = strchr(debopts,*s)); s++) |
79072805 LW |
1526 | debug |= 1 << (d - debopts); |
1527 | } | |
1528 | else { | |
1529 | debug = atoi(s+1); | |
1530 | for (s++; isDIGIT(*s); s++) ; | |
1531 | } | |
8990e307 | 1532 | debug |= 0x80000000; |
79072805 LW |
1533 | #else |
1534 | warn("Recompile perl with -DDEBUGGING to use -D switch\n"); | |
a0d0e21e | 1535 | for (s++; isALNUM(*s); s++) ; |
79072805 LW |
1536 | #endif |
1537 | /*SUPPRESS 530*/ | |
1538 | return s; | |
4633a7c4 LW |
1539 | case 'h': |
1540 | usage(origargv[0]); | |
3028581b | 1541 | PerlProc_exit(0); |
79072805 LW |
1542 | case 'i': |
1543 | if (inplace) | |
1544 | Safefree(inplace); | |
a0d0e21e | 1545 | inplace = savepv(s+1); |
79072805 LW |
1546 | /*SUPPRESS 530*/ |
1547 | for (s = inplace; *s && !isSPACE(*s); s++) ; | |
fb73857a | 1548 | if (*s) |
1549 | *s++ = '\0'; | |
1550 | return s; | |
1551 | case 'I': /* -I handled both here and in parse_perl() */ | |
bbce6d69 | 1552 | forbid_setid("-I"); |
fb73857a | 1553 | ++s; |
1554 | while (*s && isSPACE(*s)) | |
1555 | ++s; | |
1556 | if (*s) { | |
774d564b | 1557 | char *e, *p; |
748a9306 | 1558 | for (e = s; *e && !isSPACE(*e); e++) ; |
774d564b | 1559 | p = savepvn(s, e-s); |
1560 | incpush(p, TRUE); | |
1561 | Safefree(p); | |
fb73857a | 1562 | s = e; |
79072805 LW |
1563 | } |
1564 | else | |
463ee0b2 | 1565 | croak("No space allowed after -I"); |
fb73857a | 1566 | return s; |
79072805 LW |
1567 | case 'l': |
1568 | minus_l = TRUE; | |
1569 | s++; | |
a0d0e21e LW |
1570 | if (ors) |
1571 | Safefree(ors); | |
79072805 | 1572 | if (isDIGIT(*s)) { |
a0d0e21e | 1573 | ors = savepv("\n"); |
79072805 LW |
1574 | orslen = 1; |
1575 | *ors = scan_oct(s, 3 + (*s == '0'), &numlen); | |
1576 | s += numlen; | |
1577 | } | |
1578 | else { | |
a863c7d1 | 1579 | dTHR; |
c07a80fd | 1580 | if (RsPARA(nrs)) { |
6e72f9df | 1581 | ors = "\n\n"; |
c07a80fd | 1582 | orslen = 2; |
1583 | } | |
1584 | else | |
1585 | ors = SvPV(nrs, orslen); | |
6e72f9df | 1586 | ors = savepvn(ors, orslen); |
79072805 LW |
1587 | } |
1588 | return s; | |
1a30305b | 1589 | case 'M': |
bbce6d69 | 1590 | forbid_setid("-M"); /* XXX ? */ |
1a30305b | 1591 | /* FALL THROUGH */ |
1592 | case 'm': | |
bbce6d69 | 1593 | forbid_setid("-m"); /* XXX ? */ |
1a30305b | 1594 | if (*++s) { |
a5f75d66 | 1595 | char *start; |
11343788 | 1596 | SV *sv; |
a5f75d66 AD |
1597 | char *use = "use "; |
1598 | /* -M-foo == 'no foo' */ | |
1599 | if (*s == '-') { use = "no "; ++s; } | |
11343788 | 1600 | sv = newSVpv(use,0); |
a5f75d66 | 1601 | start = s; |
1a30305b | 1602 | /* We allow -M'Module qw(Foo Bar)' */ |
c07a80fd | 1603 | while(isALNUM(*s) || *s==':') ++s; |
1604 | if (*s != '=') { | |
11343788 | 1605 | sv_catpv(sv, start); |
c07a80fd | 1606 | if (*(start-1) == 'm') { |
1607 | if (*s != '\0') | |
1608 | croak("Can't use '%c' after -mname", *s); | |
11343788 | 1609 | sv_catpv( sv, " ()"); |
c07a80fd | 1610 | } |
1611 | } else { | |
11343788 MB |
1612 | sv_catpvn(sv, start, s-start); |
1613 | sv_catpv(sv, " split(/,/,q{"); | |
1614 | sv_catpv(sv, ++s); | |
1615 | sv_catpv(sv, "})"); | |
c07a80fd | 1616 | } |
1a30305b | 1617 | s += strlen(s); |
c07a80fd | 1618 | if (preambleav == NULL) |
1619 | preambleav = newAV(); | |
11343788 | 1620 | av_push(preambleav, sv); |
1a30305b | 1621 | } |
1622 | else | |
1623 | croak("No space allowed after -%c", *(s-1)); | |
1624 | return s; | |
79072805 LW |
1625 | case 'n': |
1626 | minus_n = TRUE; | |
1627 | s++; | |
1628 | return s; | |
1629 | case 'p': | |
1630 | minus_p = TRUE; | |
1631 | s++; | |
1632 | return s; | |
1633 | case 's': | |
bbce6d69 | 1634 | forbid_setid("-s"); |
79072805 LW |
1635 | doswitches = TRUE; |
1636 | s++; | |
1637 | return s; | |
463ee0b2 | 1638 | case 'T': |
f86702cc | 1639 | if (!tainting) |
9607fc9c | 1640 | croak("Too late for \"-T\" option"); |
463ee0b2 LW |
1641 | s++; |
1642 | return s; | |
79072805 LW |
1643 | case 'u': |
1644 | do_undump = TRUE; | |
1645 | s++; | |
1646 | return s; | |
1647 | case 'U': | |
1648 | unsafe = TRUE; | |
1649 | s++; | |
1650 | return s; | |
1651 | case 'v': | |
a5f75d66 | 1652 | #if defined(SUBVERSION) && SUBVERSION > 0 |
fb73857a | 1653 | printf("\nThis is perl, version 5.%03d_%02d built for %s", |
1654 | PATCHLEVEL, SUBVERSION, ARCHNAME); | |
a5f75d66 | 1655 | #else |
fb73857a | 1656 | printf("\nThis is perl, version %s built for %s", |
1657 | patchlevel, ARCHNAME); | |
1658 | #endif | |
1659 | #if defined(LOCAL_PATCH_COUNT) | |
1660 | if (LOCAL_PATCH_COUNT > 0) | |
1661 | printf("\n(with %d registered patch%s, see perl -V for more detail)", | |
1662 | LOCAL_PATCH_COUNT, (LOCAL_PATCH_COUNT!=1) ? "es" : ""); | |
a5f75d66 | 1663 | #endif |
1a30305b | 1664 | |
a411490c | 1665 | printf("\n\nCopyright 1987-1998, Larry Wall\n"); |
79072805 | 1666 | #ifdef MSDOS |
fb73857a | 1667 | printf("\nMS-DOS port Copyright (c) 1989, 1990, Diomidis Spinellis\n"); |
55497cff | 1668 | #endif |
1669 | #ifdef DJGPP | |
1670 | printf("djgpp v2 port (jpl5003c) by Hirofumi Watanabe, 1996\n"); | |
9731c6ca | 1671 | printf("djgpp v2 port (perl5004+) by Laszlo Molnar, 1997-1998\n"); |
4633a7c4 | 1672 | #endif |
79072805 | 1673 | #ifdef OS2 |
5dd60ef7 | 1674 | printf("\n\nOS/2 port Copyright (c) 1990, 1991, Raymond Chen, Kai Uwe Rommel\n" |
a411490c | 1675 | "Version 5 port Copyright (c) 1994-1998, Andreas Kaiser, Ilya Zakharevich\n"); |
79072805 | 1676 | #endif |
79072805 | 1677 | #ifdef atarist |
760ac839 | 1678 | printf("atariST series port, ++jrb bammi@cadence.com\n"); |
79072805 | 1679 | #endif |
760ac839 | 1680 | printf("\n\ |
79072805 | 1681 | Perl may be copied only under the terms of either the Artistic License or the\n\ |
760ac839 | 1682 | GNU General Public License, which may be found in the Perl 5.0 source kit.\n\n"); |
3028581b | 1683 | PerlProc_exit(0); |
79072805 LW |
1684 | case 'w': |
1685 | dowarn = TRUE; | |
1686 | s++; | |
1687 | return s; | |
a0d0e21e | 1688 | case '*': |
79072805 LW |
1689 | case ' ': |
1690 | if (s[1] == '-') /* Additional switches on #! line. */ | |
1691 | return s+2; | |
1692 | break; | |
a0d0e21e | 1693 | case '-': |
79072805 | 1694 | case 0: |
a868473f NIS |
1695 | #ifdef WIN32 |
1696 | case '\r': | |
1697 | #endif | |
79072805 LW |
1698 | case '\n': |
1699 | case '\t': | |
1700 | break; | |
aa689395 | 1701 | #ifdef ALTERNATE_SHEBANG |
1702 | case 'S': /* OS/2 needs -S on "extproc" line. */ | |
1703 | break; | |
1704 | #endif | |
a0d0e21e LW |
1705 | case 'P': |
1706 | if (preprocess) | |
1707 | return s+1; | |
1708 | /* FALL THROUGH */ | |
79072805 | 1709 | default: |
a0d0e21e | 1710 | croak("Can't emulate -%.1s on #! line",s); |
79072805 LW |
1711 | } |
1712 | return Nullch; | |
1713 | } | |
1714 | ||
1715 | /* compliments of Tom Christiansen */ | |
1716 | ||
1717 | /* unexec() can be found in the Gnu emacs distribution */ | |
1718 | ||
1719 | void | |
8ac85365 | 1720 | my_unexec(void) |
79072805 LW |
1721 | { |
1722 | #ifdef UNEXEC | |
46fc3d4c | 1723 | SV* prog; |
1724 | SV* file; | |
79072805 LW |
1725 | int status; |
1726 | extern int etext; | |
1727 | ||
46fc3d4c | 1728 | prog = newSVpv(BIN_EXP); |
1729 | sv_catpv(prog, "/perl"); | |
1730 | file = newSVpv(origfilename); | |
1731 | sv_catpv(file, ".perldump"); | |
79072805 | 1732 | |
46fc3d4c | 1733 | status = unexec(SvPVX(file), SvPVX(prog), &etext, sbrk(0), 0); |
79072805 | 1734 | if (status) |
46fc3d4c | 1735 | PerlIO_printf(PerlIO_stderr(), "unexec of %s into %s failed!\n", |
1736 | SvPVX(prog), SvPVX(file)); | |
3028581b | 1737 | PerlProc_exit(status); |
79072805 | 1738 | #else |
a5f75d66 AD |
1739 | # ifdef VMS |
1740 | # include <lib$routines.h> | |
1741 | lib$signal(SS$_DEBUG); /* ssdef.h #included from vmsish.h */ | |
aa689395 | 1742 | # else |
79072805 | 1743 | ABORT(); /* for use with undump */ |
aa689395 | 1744 | # endif |
a5f75d66 | 1745 | #endif |
79072805 LW |
1746 | } |
1747 | ||
1748 | static void | |
8ac85365 | 1749 | init_main_stash(void) |
79072805 | 1750 | { |
11343788 | 1751 | dTHR; |
463ee0b2 | 1752 | GV *gv; |
6e72f9df | 1753 | |
1754 | /* Note that strtab is a rather special HV. Assumptions are made | |
1755 | about not iterating on it, and not adding tie magic to it. | |
1756 | It is properly deallocated in perl_destruct() */ | |
1757 | strtab = newHV(); | |
1758 | HvSHAREKEYS_off(strtab); /* mandatory */ | |
1759 | Newz(506,((XPVHV*)SvANY(strtab))->xhv_array, | |
1760 | sizeof(HE*) * (((XPVHV*)SvANY(strtab))->xhv_max + 1), char); | |
1761 | ||
463ee0b2 | 1762 | curstash = defstash = newHV(); |
79072805 | 1763 | curstname = newSVpv("main",4); |
adbc6bb1 LW |
1764 | gv = gv_fetchpv("main::",TRUE, SVt_PVHV); |
1765 | SvREFCNT_dec(GvHV(gv)); | |
1766 | GvHV(gv) = (HV*)SvREFCNT_inc(defstash); | |
463ee0b2 | 1767 | SvREADONLY_on(gv); |
a0d0e21e | 1768 | HvNAME(defstash) = savepv("main"); |
85e6fe83 | 1769 | incgv = gv_HVadd(gv_AVadd(gv_fetchpv("INC",TRUE, SVt_PVAV))); |
a5f75d66 | 1770 | GvMULTI_on(incgv); |
a0d0e21e | 1771 | defgv = gv_fetchpv("_",TRUE, SVt_PVAV); |
12f917ad MB |
1772 | errgv = gv_HVadd(gv_fetchpv("@", TRUE, SVt_PV)); |
1773 | GvMULTI_on(errgv); | |
84902520 | 1774 | (void)form("%240s",""); /* Preallocate temp - for immediate signals. */ |
38a03e6e MB |
1775 | sv_grow(ERRSV, 240); /* Preallocate - for immediate signals. */ |
1776 | sv_setpvn(ERRSV, "", 0); | |
8990e307 LW |
1777 | curstash = defstash; |
1778 | compiling.cop_stash = defstash; | |
adbc6bb1 | 1779 | debstash = GvHV(gv_fetchpv("DB::", GV_ADDMULTI, SVt_PVHV)); |
49dc05e3 | 1780 | globalstash = GvHV(gv_fetchpv("CORE::GLOBAL::", GV_ADDMULTI, SVt_PVHV)); |
4633a7c4 LW |
1781 | /* We must init $/ before switches are processed. */ |
1782 | sv_setpvn(GvSV(gv_fetchpv("/", TRUE, SVt_PV)), "\n", 1); | |
79072805 LW |
1783 | } |
1784 | ||
a0d0e21e LW |
1785 | static void |
1786 | open_script(char *scriptname, bool dosearch, SV *sv) | |
79072805 | 1787 | { |
0f15f207 | 1788 | dTHR; |
79072805 LW |
1789 | char *xfound = Nullch; |
1790 | char *xfailed = Nullch; | |
1791 | register char *s; | |
1792 | I32 len; | |
a38d6535 LW |
1793 | int retval; |
1794 | #if defined(DOSISH) && !defined(OS2) && !defined(atarist) | |
fc36a67e | 1795 | # define SEARCH_EXTS ".bat", ".cmd", NULL |
1796 | # define MAX_EXT_LEN 4 | |
a38d6535 | 1797 | #endif |
d8c2d278 IZ |
1798 | #ifdef OS2 |
1799 | # define SEARCH_EXTS ".cmd", ".btm", ".bat", ".pl", NULL | |
1800 | # define MAX_EXT_LEN 4 | |
1801 | #endif | |
ab821d7f | 1802 | #ifdef VMS |
1803 | # define SEARCH_EXTS ".pl", ".com", NULL | |
fc36a67e | 1804 | # define MAX_EXT_LEN 4 |
ab821d7f | 1805 | #endif |
a38d6535 LW |
1806 | /* additional extensions to try in each dir if scriptname not found */ |
1807 | #ifdef SEARCH_EXTS | |
1808 | char *ext[] = { SEARCH_EXTS }; | |
2a92aaa0 GS |
1809 | int extidx = 0, i = 0; |
1810 | char *curext = Nullch; | |
fc36a67e | 1811 | #else |
1812 | # define MAX_EXT_LEN 0 | |
a38d6535 | 1813 | #endif |
79072805 | 1814 | |
2a92aaa0 GS |
1815 | /* |
1816 | * If dosearch is true and if scriptname does not contain path | |
1817 | * delimiters, search the PATH for scriptname. | |
1818 | * | |
1819 | * If SEARCH_EXTS is also defined, will look for each | |
1820 | * scriptname{SEARCH_EXTS} whenever scriptname is not found | |
1821 | * while searching the PATH. | |
1822 | * | |
1823 | * Assuming SEARCH_EXTS is C<".foo",".bar",NULL>, PATH search | |
1824 | * proceeds as follows: | |
61bb5906 | 1825 | * If DOSISH or VMSISH: |
2a92aaa0 GS |
1826 | * + look for ./scriptname{,.foo,.bar} |
1827 | * + search the PATH for scriptname{,.foo,.bar} | |
1828 | * | |
1829 | * If !DOSISH: | |
1830 | * + look *only* in the PATH for scriptname{,.foo,.bar} (note | |
1831 | * this will not look in '.' if it's not in the PATH) | |
1832 | */ | |
1833 | ||
c07a80fd | 1834 | #ifdef VMS |
61bb5906 CB |
1835 | # ifdef ALWAYS_DEFTYPES |
1836 | len = strlen(scriptname); | |
1837 | if (!(len == 1 && *scriptname == '-') && scriptname[len-1] != ':') { | |
1838 | int hasdir, idx = 0, deftypes = 1; | |
1839 | bool seen_dot = 1; | |
1840 | ||
1841 | hasdir = !dosearch || (strpbrk(scriptname,":[</") != Nullch) ; | |
1842 | # else | |
6e72f9df | 1843 | if (dosearch) { |
1844 | int hasdir, idx = 0, deftypes = 1; | |
1a2dec3c | 1845 | bool seen_dot = 1; |
6e72f9df | 1846 | |
1847 | hasdir = (strpbrk(scriptname,":[</") != Nullch) ; | |
61bb5906 | 1848 | # endif |
6e72f9df | 1849 | /* The first time through, just add SEARCH_EXTS to whatever we |
1850 | * already have, so we can check for default file types. */ | |
fc36a67e | 1851 | while (deftypes || |
1852 | (!hasdir && my_trnlnm("DCL$PATH",tokenbuf,idx++)) ) | |
1853 | { | |
1854 | if (deftypes) { | |
1855 | deftypes = 0; | |
1856 | *tokenbuf = '\0'; | |
1857 | } | |
1858 | if ((strlen(tokenbuf) + strlen(scriptname) | |
1859 | + MAX_EXT_LEN) >= sizeof tokenbuf) | |
1860 | continue; /* don't search dir with too-long name */ | |
1861 | strcat(tokenbuf, scriptname); | |
c07a80fd | 1862 | #else /* !VMS */ |
2a92aaa0 | 1863 | |
fc36a67e | 1864 | #ifdef DOSISH |
2a92aaa0 | 1865 | if (strEQ(scriptname, "-")) |
84902520 | 1866 | dosearch = 0; |
2a92aaa0 GS |
1867 | if (dosearch) { /* Look in '.' first. */ |
1868 | char *cur = scriptname; | |
1869 | #ifdef SEARCH_EXTS | |
1870 | if ((curext = strrchr(scriptname,'.'))) /* possible current ext */ | |
1871 | while (ext[i]) | |
1872 | if (strEQ(ext[i++],curext)) { | |
1873 | extidx = -1; /* already has an ext */ | |
1874 | break; | |
1875 | } | |
1876 | do { | |
79072805 | 1877 | #endif |
2a92aaa0 GS |
1878 | DEBUG_p(PerlIO_printf(Perl_debug_log, |
1879 | "Looking for %s\n",cur)); | |
c6ed36e1 | 1880 | if (PerlLIO_stat(cur,&statbuf) >= 0) { |
2a92aaa0 GS |
1881 | dosearch = 0; |
1882 | scriptname = cur; | |
84902520 | 1883 | #ifdef SEARCH_EXTS |
2a92aaa0 | 1884 | break; |
84902520 | 1885 | #endif |
2a92aaa0 GS |
1886 | } |
1887 | #ifdef SEARCH_EXTS | |
1888 | if (cur == scriptname) { | |
1889 | len = strlen(scriptname); | |
1890 | if (len+MAX_EXT_LEN+1 >= sizeof(tokenbuf)) | |
1891 | break; | |
1892 | cur = strcpy(tokenbuf, scriptname); | |
1893 | } | |
1894 | } while (extidx >= 0 && ext[extidx] /* try an extension? */ | |
1895 | && strcpy(tokenbuf+len, ext[extidx++])); | |
1896 | #endif | |
1897 | } | |
1898 | #endif | |
84902520 | 1899 | |
e92c4225 WJ |
1900 | if (dosearch && !strchr(scriptname, '/') |
1901 | #ifdef DOSISH | |
1902 | && !strchr(scriptname, '\\') | |
1903 | #endif | |
5fd9e9a4 | 1904 | && (s = PerlEnv_getenv("PATH"))) { |
2a92aaa0 | 1905 | bool seen_dot = 0; |
84902520 | 1906 | |
79072805 | 1907 | bufend = s + strlen(s); |
fc36a67e | 1908 | while (s < bufend) { |
2a92aaa0 GS |
1909 | #if defined(atarist) || defined(DOSISH) |
1910 | for (len = 0; *s | |
1911 | # ifdef atarist | |
1912 | && *s != ',' | |
1913 | # endif | |
1914 | && *s != ';'; len++, s++) { | |
fc36a67e | 1915 | if (len < sizeof tokenbuf) |
1916 | tokenbuf[len] = *s; | |
1917 | } | |
1918 | if (len < sizeof tokenbuf) | |
1919 | tokenbuf[len] = '\0'; | |
84902520 TB |
1920 | #else /* ! (atarist || DOSISH) */ |
1921 | s = delimcpy(tokenbuf, tokenbuf + sizeof tokenbuf, s, bufend, | |
1922 | ':', | |
1923 | &len); | |
1924 | #endif /* ! (atarist || DOSISH) */ | |
fc36a67e | 1925 | if (s < bufend) |
79072805 | 1926 | s++; |
fc36a67e | 1927 | if (len + 1 + strlen(scriptname) + MAX_EXT_LEN >= sizeof tokenbuf) |
1928 | continue; /* don't search dir with too-long name */ | |
1929 | if (len | |
fc36a67e | 1930 | #if defined(atarist) || defined(DOSISH) |
2a92aaa0 | 1931 | && tokenbuf[len - 1] != '/' |
fc36a67e | 1932 | && tokenbuf[len - 1] != '\\' |
79072805 | 1933 | #endif |
fc36a67e | 1934 | ) |
1935 | tokenbuf[len++] = '/'; | |
84902520 | 1936 | if (len == 2 && tokenbuf[0] == '.') |
2a92aaa0 | 1937 | seen_dot = 1; |
fc36a67e | 1938 | (void)strcpy(tokenbuf + len, scriptname); |
c07a80fd | 1939 | #endif /* !VMS */ |
a38d6535 LW |
1940 | |
1941 | #ifdef SEARCH_EXTS | |
1942 | len = strlen(tokenbuf); | |
1943 | if (extidx > 0) /* reset after previous loop */ | |
1944 | extidx = 0; | |
1945 | do { | |
1946 | #endif | |
760ac839 | 1947 | DEBUG_p(PerlIO_printf(Perl_debug_log, "Looking for %s\n",tokenbuf)); |
c6ed36e1 | 1948 | retval = PerlLIO_stat(tokenbuf,&statbuf); |
a38d6535 LW |
1949 | #ifdef SEARCH_EXTS |
1950 | } while ( retval < 0 /* not there */ | |
1951 | && extidx>=0 && ext[extidx] /* try an extension? */ | |
1952 | && strcpy(tokenbuf+len, ext[extidx++]) | |
1953 | ); | |
1954 | #endif | |
1955 | if (retval < 0) | |
79072805 LW |
1956 | continue; |
1957 | if (S_ISREG(statbuf.st_mode) | |
c90c0ff4 | 1958 | && cando(S_IRUSR,TRUE,&statbuf) |
1959 | #ifndef DOSISH | |
1960 | && cando(S_IXUSR,TRUE,&statbuf) | |
1961 | #endif | |
1962 | ) | |
1963 | { | |
79072805 LW |
1964 | xfound = tokenbuf; /* bingo! */ |
1965 | break; | |
1966 | } | |
1967 | if (!xfailed) | |
a0d0e21e | 1968 | xfailed = savepv(tokenbuf); |
79072805 | 1969 | } |
2a92aaa0 | 1970 | #ifndef DOSISH |
c6ed36e1 | 1971 | if (!xfound && !seen_dot && !xfailed && (PerlLIO_stat(scriptname,&statbuf) < 0)) |
84902520 TB |
1972 | #endif |
1973 | seen_dot = 1; /* Disable message. */ | |
79072805 | 1974 | if (!xfound) |
84902520 | 1975 | croak("Can't %s %s%s%s", |
2a92aaa0 GS |
1976 | (xfailed ? "execute" : "find"), |
1977 | (xfailed ? xfailed : scriptname), | |
1978 | (xfailed ? "" : " on PATH"), | |
1979 | (xfailed || seen_dot) ? "" : ", '.' not in PATH"); | |
79072805 LW |
1980 | if (xfailed) |
1981 | Safefree(xfailed); | |
1982 | scriptname = xfound; | |
1983 | } | |
1984 | ||
96436eeb | 1985 | if (strnEQ(scriptname, "/dev/fd/", 8) && isDIGIT(scriptname[8]) ) { |
1986 | char *s = scriptname + 8; | |
1987 | fdscript = atoi(s); | |
1988 | while (isDIGIT(*s)) | |
1989 | s++; | |
1990 | if (*s) | |
1991 | scriptname = s + 1; | |
1992 | } | |
1993 | else | |
1994 | fdscript = -1; | |
ab821d7f | 1995 | origfilename = savepv(e_tmpname ? "-e" : scriptname); |
79072805 LW |
1996 | curcop->cop_filegv = gv_fetchfile(origfilename); |
1997 | if (strEQ(origfilename,"-")) | |
1998 | scriptname = ""; | |
96436eeb | 1999 | if (fdscript >= 0) { |
a868473f | 2000 | rsfp = PerlIO_fdopen(fdscript,PERL_SCRIPT_MODE); |
96436eeb | 2001 | #if defined(HAS_FCNTL) && defined(F_SETFD) |
7aa04957 CS |
2002 | if (rsfp) |
2003 | fcntl(PerlIO_fileno(rsfp),F_SETFD,1); /* ensure close-on-exec */ | |
96436eeb | 2004 | #endif |
2005 | } | |
2006 | else if (preprocess) { | |
46fc3d4c | 2007 | char *cpp_cfg = CPPSTDIN; |
2008 | SV *cpp = NEWSV(0,0); | |
2009 | SV *cmd = NEWSV(0,0); | |
2010 | ||
2011 | if (strEQ(cpp_cfg, "cppstdin")) | |
2012 | sv_catpvf(cpp, "%s/", BIN_EXP); | |
2013 | sv_catpv(cpp, cpp_cfg); | |
79072805 | 2014 | |
79072805 | 2015 | sv_catpv(sv,"-I"); |
fed7345c | 2016 | sv_catpv(sv,PRIVLIB_EXP); |
46fc3d4c | 2017 | |
79072805 | 2018 | #ifdef MSDOS |
46fc3d4c | 2019 | sv_setpvf(cmd, "\ |
79072805 LW |
2020 | sed %s -e \"/^[^#]/b\" \ |
2021 | -e \"/^#[ ]*include[ ]/b\" \ | |
2022 | -e \"/^#[ ]*define[ ]/b\" \ | |
2023 | -e \"/^#[ ]*if[ ]/b\" \ | |
2024 | -e \"/^#[ ]*ifdef[ ]/b\" \ | |
2025 | -e \"/^#[ ]*ifndef[ ]/b\" \ | |
2026 | -e \"/^#[ ]*else/b\" \ | |
2027 | -e \"/^#[ ]*elif[ ]/b\" \ | |
2028 | -e \"/^#[ ]*undef[ ]/b\" \ | |
2029 | -e \"/^#[ ]*endif/b\" \ | |
2030 | -e \"s/^#.*//\" \ | |
fc36a67e | 2031 | %s | %_ -C %_ %s", |
79072805 LW |
2032 | (doextract ? "-e \"1,/^#/d\n\"" : ""), |
2033 | #else | |
46fc3d4c | 2034 | sv_setpvf(cmd, "\ |
79072805 LW |
2035 | %s %s -e '/^[^#]/b' \ |
2036 | -e '/^#[ ]*include[ ]/b' \ | |
2037 | -e '/^#[ ]*define[ ]/b' \ | |
2038 | -e '/^#[ ]*if[ ]/b' \ | |
2039 | -e '/^#[ ]*ifdef[ ]/b' \ | |
2040 | -e '/^#[ ]*ifndef[ ]/b' \ | |
2041 | -e '/^#[ ]*else/b' \ | |
2042 | -e '/^#[ ]*elif[ ]/b' \ | |
2043 | -e '/^#[ ]*undef[ ]/b' \ | |
2044 | -e '/^#[ ]*endif/b' \ | |
2045 | -e 's/^[ ]*#.*//' \ | |
fc36a67e | 2046 | %s | %_ -C %_ %s", |
79072805 LW |
2047 | #ifdef LOC_SED |
2048 | LOC_SED, | |
2049 | #else | |
2050 | "sed", | |
2051 | #endif | |
2052 | (doextract ? "-e '1,/^#/d\n'" : ""), | |
2053 | #endif | |
46fc3d4c | 2054 | scriptname, cpp, sv, CPPMINUS); |
79072805 LW |
2055 | doextract = FALSE; |
2056 | #ifdef IAMSUID /* actually, this is caught earlier */ | |
2057 | if (euid != uid && !euid) { /* if running suidperl */ | |
2058 | #ifdef HAS_SETEUID | |
2059 | (void)seteuid(uid); /* musn't stay setuid root */ | |
2060 | #else | |
2061 | #ifdef HAS_SETREUID | |
85e6fe83 LW |
2062 | (void)setreuid((Uid_t)-1, uid); |
2063 | #else | |
2064 | #ifdef HAS_SETRESUID | |
2065 | (void)setresuid((Uid_t)-1, uid, (Uid_t)-1); | |
79072805 LW |
2066 | #else |
2067 | setuid(uid); | |
2068 | #endif | |
2069 | #endif | |
85e6fe83 | 2070 | #endif |
79072805 | 2071 | if (geteuid() != uid) |
463ee0b2 | 2072 | croak("Can't do seteuid!\n"); |
79072805 LW |
2073 | } |
2074 | #endif /* IAMSUID */ | |
3028581b | 2075 | rsfp = PerlProc_popen(SvPVX(cmd), "r"); |
46fc3d4c | 2076 | SvREFCNT_dec(cmd); |
2077 | SvREFCNT_dec(cpp); | |
79072805 LW |
2078 | } |
2079 | else if (!*scriptname) { | |
bbce6d69 | 2080 | forbid_setid("program input from stdin"); |
760ac839 | 2081 | rsfp = PerlIO_stdin(); |
79072805 | 2082 | } |
96436eeb | 2083 | else { |
a868473f | 2084 | rsfp = PerlIO_open(scriptname,PERL_SCRIPT_MODE); |
96436eeb | 2085 | #if defined(HAS_FCNTL) && defined(F_SETFD) |
7aa04957 CS |
2086 | if (rsfp) |
2087 | fcntl(PerlIO_fileno(rsfp),F_SETFD,1); /* ensure close-on-exec */ | |
96436eeb | 2088 | #endif |
2089 | } | |
5dd60ef7 | 2090 | if (e_tmpname) { |
2091 | e_fp = rsfp; | |
2092 | } | |
7aa04957 | 2093 | if (!rsfp) { |
13281fa4 | 2094 | #ifdef DOSUID |
a687059c | 2095 | #ifndef IAMSUID /* in case script is not readable before setuid */ |
c6ed36e1 | 2096 | if (euid && PerlLIO_stat(SvPVX(GvSV(curcop->cop_filegv)),&statbuf) >= 0 && |
13281fa4 | 2097 | statbuf.st_mode & (S_ISUID|S_ISGID)) { |
46fc3d4c | 2098 | /* try again */ |
3028581b | 2099 | PerlProc_execv(form("%s/sperl%s", BIN_EXP, patchlevel), origargv); |
463ee0b2 | 2100 | croak("Can't do setuid\n"); |
13281fa4 LW |
2101 | } |
2102 | #endif | |
2103 | #endif | |
463ee0b2 | 2104 | croak("Can't open perl script \"%s\": %s\n", |
2304df62 | 2105 | SvPVX(GvSV(curcop->cop_filegv)), Strerror(errno)); |
13281fa4 | 2106 | } |
79072805 | 2107 | } |
8d063cd8 | 2108 | |
79072805 | 2109 | static void |
8ac85365 | 2110 | validate_suid(char *validarg, char *scriptname) |
79072805 | 2111 | { |
96436eeb | 2112 | int which; |
2113 | ||
13281fa4 LW |
2114 | /* do we need to emulate setuid on scripts? */ |
2115 | ||
2116 | /* This code is for those BSD systems that have setuid #! scripts disabled | |
2117 | * in the kernel because of a security problem. Merely defining DOSUID | |
2118 | * in perl will not fix that problem, but if you have disabled setuid | |
2119 | * scripts in the kernel, this will attempt to emulate setuid and setgid | |
2120 | * on scripts that have those now-otherwise-useless bits set. The setuid | |
27e2fb84 LW |
2121 | * root version must be called suidperl or sperlN.NNN. If regular perl |
2122 | * discovers that it has opened a setuid script, it calls suidperl with | |
2123 | * the same argv that it had. If suidperl finds that the script it has | |
2124 | * just opened is NOT setuid root, it sets the effective uid back to the | |
2125 | * uid. We don't just make perl setuid root because that loses the | |
2126 | * effective uid we had before invoking perl, if it was different from the | |
2127 | * uid. | |
13281fa4 LW |
2128 | * |
2129 | * DOSUID must be defined in both perl and suidperl, and IAMSUID must | |
2130 | * be defined in suidperl only. suidperl must be setuid root. The | |
2131 | * Configure script will set this up for you if you want it. | |
2132 | */ | |
a687059c | 2133 | |
13281fa4 | 2134 | #ifdef DOSUID |
ea0efc06 | 2135 | dTHR; |
6e72f9df | 2136 | char *s, *s2; |
a0d0e21e | 2137 | |
3028581b | 2138 | if (PerlLIO_fstat(PerlIO_fileno(rsfp),&statbuf) < 0) /* normal stat is insecure */ |
463ee0b2 | 2139 | croak("Can't stat script \"%s\"",origfilename); |
96436eeb | 2140 | if (fdscript < 0 && statbuf.st_mode & (S_ISUID|S_ISGID)) { |
79072805 | 2141 | I32 len; |
13281fa4 | 2142 | |
a687059c | 2143 | #ifdef IAMSUID |
fe14fcc3 | 2144 | #ifndef HAS_SETREUID |
a687059c LW |
2145 | /* On this access check to make sure the directories are readable, |
2146 | * there is actually a small window that the user could use to make | |
2147 | * filename point to an accessible directory. So there is a faint | |
2148 | * chance that someone could execute a setuid script down in a | |
2149 | * non-accessible directory. I don't know what to do about that. | |
2150 | * But I don't think it's too important. The manual lies when | |
2151 | * it says access() is useful in setuid programs. | |
2152 | */ | |
3028581b | 2153 | if (PerlLIO_access(SvPVX(GvSV(curcop->cop_filegv)),1)) /*double check*/ |
463ee0b2 | 2154 | croak("Permission denied"); |
a687059c LW |
2155 | #else |
2156 | /* If we can swap euid and uid, then we can determine access rights | |
2157 | * with a simple stat of the file, and then compare device and | |
2158 | * inode to make sure we did stat() on the same file we opened. | |
2159 | * Then we just have to make sure he or she can execute it. | |
2160 | */ | |
2161 | { | |
2162 | struct stat tmpstatbuf; | |
2163 | ||
85e6fe83 LW |
2164 | if ( |
2165 | #ifdef HAS_SETREUID | |
2166 | setreuid(euid,uid) < 0 | |
a0d0e21e LW |
2167 | #else |
2168 | # if HAS_SETRESUID | |
85e6fe83 | 2169 | setresuid(euid,uid,(Uid_t)-1) < 0 |
a0d0e21e | 2170 | # endif |
85e6fe83 LW |
2171 | #endif |
2172 | || getuid() != euid || geteuid() != uid) | |
463ee0b2 | 2173 | croak("Can't swap uid and euid"); /* really paranoid */ |
c6ed36e1 | 2174 | if (PerlLIO_stat(SvPVX(GvSV(curcop->cop_filegv)),&tmpstatbuf) < 0) |
463ee0b2 | 2175 | croak("Permission denied"); /* testing full pathname here */ |
a687059c LW |
2176 | if (tmpstatbuf.st_dev != statbuf.st_dev || |
2177 | tmpstatbuf.st_ino != statbuf.st_ino) { | |
760ac839 | 2178 | (void)PerlIO_close(rsfp); |
3028581b | 2179 | if (rsfp = PerlProc_popen("/bin/mail root","w")) { /* heh, heh */ |
760ac839 | 2180 | PerlIO_printf(rsfp, |
ff0cee69 | 2181 | "User %ld tried to run dev %ld ino %ld in place of dev %ld ino %ld!\n\ |
2182 | (Filename of set-id script was %s, uid %ld gid %ld.)\n\nSincerely,\nperl\n", | |
2183 | (long)uid,(long)tmpstatbuf.st_dev, (long)tmpstatbuf.st_ino, | |
2184 | (long)statbuf.st_dev, (long)statbuf.st_ino, | |
463ee0b2 | 2185 | SvPVX(GvSV(curcop->cop_filegv)), |
ff0cee69 | 2186 | (long)statbuf.st_uid, (long)statbuf.st_gid); |
3028581b | 2187 | (void)PerlProc_pclose(rsfp); |
a687059c | 2188 | } |
463ee0b2 | 2189 | croak("Permission denied\n"); |
a687059c | 2190 | } |
85e6fe83 LW |
2191 | if ( |
2192 | #ifdef HAS_SETREUID | |
2193 | setreuid(uid,euid) < 0 | |
a0d0e21e LW |
2194 | #else |
2195 | # if defined(HAS_SETRESUID) | |
85e6fe83 | 2196 | setresuid(uid,euid,(Uid_t)-1) < 0 |
a0d0e21e | 2197 | # endif |
85e6fe83 LW |
2198 | #endif |
2199 | || getuid() != uid || geteuid() != euid) | |
463ee0b2 | 2200 | croak("Can't reswap uid and euid"); |
27e2fb84 | 2201 | if (!cando(S_IXUSR,FALSE,&statbuf)) /* can real uid exec? */ |
463ee0b2 | 2202 | croak("Permission denied\n"); |
a687059c | 2203 | } |
fe14fcc3 | 2204 | #endif /* HAS_SETREUID */ |
a687059c LW |
2205 | #endif /* IAMSUID */ |
2206 | ||
27e2fb84 | 2207 | if (!S_ISREG(statbuf.st_mode)) |
463ee0b2 | 2208 | croak("Permission denied"); |
27e2fb84 | 2209 | if (statbuf.st_mode & S_IWOTH) |
463ee0b2 | 2210 | croak("Setuid/gid script is writable by world"); |
13281fa4 | 2211 | doswitches = FALSE; /* -s is insecure in suid */ |
79072805 | 2212 | curcop->cop_line++; |
760ac839 LW |
2213 | if (sv_gets(linestr, rsfp, 0) == Nullch || |
2214 | strnNE(SvPV(linestr,na),"#!",2) ) /* required even on Sys V */ | |
463ee0b2 | 2215 | croak("No #! line"); |
760ac839 | 2216 | s = SvPV(linestr,na)+2; |
663a0e37 | 2217 | if (*s == ' ') s++; |
45d8adaa | 2218 | while (!isSPACE(*s)) s++; |
760ac839 | 2219 | for (s2 = s; (s2 > SvPV(linestr,na)+2 && |
6e72f9df | 2220 | (isDIGIT(s2[-1]) || strchr("._-", s2[-1]))); s2--) ; |
2221 | if (strnNE(s2-4,"perl",4) && strnNE(s-9,"perl",4)) /* sanity check */ | |
463ee0b2 | 2222 | croak("Not a perl script"); |
a687059c | 2223 | while (*s == ' ' || *s == '\t') s++; |
13281fa4 LW |
2224 | /* |
2225 | * #! arg must be what we saw above. They can invoke it by | |
2226 | * mentioning suidperl explicitly, but they may not add any strange | |
2227 | * arguments beyond what #! says if they do invoke suidperl that way. | |
2228 | */ | |
2229 | len = strlen(validarg); | |
2230 | if (strEQ(validarg," PHOOEY ") || | |
45d8adaa | 2231 | strnNE(s,validarg,len) || !isSPACE(s[len])) |
463ee0b2 | 2232 | croak("Args must match #! line"); |
a687059c LW |
2233 | |
2234 | #ifndef IAMSUID | |
2235 | if (euid != uid && (statbuf.st_mode & S_ISUID) && | |
2236 | euid == statbuf.st_uid) | |
2237 | if (!do_undump) | |
463ee0b2 | 2238 | croak("YOU HAVEN'T DISABLED SET-ID SCRIPTS IN THE KERNEL YET!\n\ |
a687059c LW |
2239 | FIX YOUR KERNEL, PUT A C WRAPPER AROUND THIS SCRIPT, OR USE -u AND UNDUMP!\n"); |
2240 | #endif /* IAMSUID */ | |
13281fa4 LW |
2241 | |
2242 | if (euid) { /* oops, we're not the setuid root perl */ | |
760ac839 | 2243 | (void)PerlIO_close(rsfp); |
13281fa4 | 2244 | #ifndef IAMSUID |
46fc3d4c | 2245 | /* try again */ |
3028581b | 2246 | PerlProc_execv(form("%s/sperl%s", BIN_EXP, patchlevel), origargv); |
13281fa4 | 2247 | #endif |
463ee0b2 | 2248 | croak("Can't do setuid\n"); |
13281fa4 LW |
2249 | } |
2250 | ||
83025b21 | 2251 | if (statbuf.st_mode & S_ISGID && statbuf.st_gid != egid) { |
fe14fcc3 | 2252 | #ifdef HAS_SETEGID |
a687059c LW |
2253 | (void)setegid(statbuf.st_gid); |
2254 | #else | |
fe14fcc3 | 2255 | #ifdef HAS_SETREGID |
85e6fe83 LW |
2256 | (void)setregid((Gid_t)-1,statbuf.st_gid); |
2257 | #else | |
2258 | #ifdef HAS_SETRESGID | |
2259 | (void)setresgid((Gid_t)-1,statbuf.st_gid,(Gid_t)-1); | |
a687059c LW |
2260 | #else |
2261 | setgid(statbuf.st_gid); | |
2262 | #endif | |
2263 | #endif | |
85e6fe83 | 2264 | #endif |
83025b21 | 2265 | if (getegid() != statbuf.st_gid) |
463ee0b2 | 2266 | croak("Can't do setegid!\n"); |
83025b21 | 2267 | } |
a687059c LW |
2268 | if (statbuf.st_mode & S_ISUID) { |
2269 | if (statbuf.st_uid != euid) | |
fe14fcc3 | 2270 | #ifdef HAS_SETEUID |
a687059c LW |
2271 | (void)seteuid(statbuf.st_uid); /* all that for this */ |
2272 | #else | |
fe14fcc3 | 2273 | #ifdef HAS_SETREUID |
85e6fe83 LW |
2274 | (void)setreuid((Uid_t)-1,statbuf.st_uid); |
2275 | #else | |
2276 | #ifdef HAS_SETRESUID | |
2277 | (void)setresuid((Uid_t)-1,statbuf.st_uid,(Uid_t)-1); | |
a687059c LW |
2278 | #else |
2279 | setuid(statbuf.st_uid); | |
2280 | #endif | |
2281 | #endif | |
85e6fe83 | 2282 | #endif |
83025b21 | 2283 | if (geteuid() != statbuf.st_uid) |
463ee0b2 | 2284 | croak("Can't do seteuid!\n"); |
a687059c | 2285 | } |
83025b21 | 2286 | else if (uid) { /* oops, mustn't run as root */ |
fe14fcc3 | 2287 | #ifdef HAS_SETEUID |
85e6fe83 | 2288 | (void)seteuid((Uid_t)uid); |
a687059c | 2289 | #else |
fe14fcc3 | 2290 | #ifdef HAS_SETREUID |
85e6fe83 | 2291 | (void)setreuid((Uid_t)-1,(Uid_t)uid); |
a687059c | 2292 | #else |
85e6fe83 LW |
2293 | #ifdef HAS_SETRESUID |
2294 | (void)setresuid((Uid_t)-1,(Uid_t)uid,(Uid_t)-1); | |
2295 | #else | |
2296 | setuid((Uid_t)uid); | |
2297 | #endif | |
a687059c LW |
2298 | #endif |
2299 | #endif | |
83025b21 | 2300 | if (geteuid() != uid) |
463ee0b2 | 2301 | croak("Can't do seteuid!\n"); |
83025b21 | 2302 | } |
748a9306 | 2303 | init_ids(); |
27e2fb84 | 2304 | if (!cando(S_IXUSR,TRUE,&statbuf)) |
463ee0b2 | 2305 | croak("Permission denied\n"); /* they can't do this */ |
13281fa4 LW |
2306 | } |
2307 | #ifdef IAMSUID | |
2308 | else if (preprocess) | |
463ee0b2 | 2309 | croak("-P not allowed for setuid/setgid script\n"); |
96436eeb | 2310 | else if (fdscript >= 0) |
2311 | croak("fd script not allowed in suidperl\n"); | |
13281fa4 | 2312 | else |
463ee0b2 | 2313 | croak("Script is not setuid/setgid in suidperl\n"); |
96436eeb | 2314 | |
2315 | /* We absolutely must clear out any saved ids here, so we */ | |
2316 | /* exec the real perl, substituting fd script for scriptname. */ | |
2317 | /* (We pass script name as "subdir" of fd, which perl will grok.) */ | |
760ac839 | 2318 | PerlIO_rewind(rsfp); |
3028581b | 2319 | PerlLIO_lseek(PerlIO_fileno(rsfp),(Off_t)0,0); /* just in case rewind didn't */ |
96436eeb | 2320 | for (which = 1; origargv[which] && origargv[which] != scriptname; which++) ; |
2321 | if (!origargv[which]) | |
2322 | croak("Permission denied"); | |
46fc3d4c | 2323 | origargv[which] = savepv(form("/dev/fd/%d/%s", |
2324 | PerlIO_fileno(rsfp), origargv[which])); | |
96436eeb | 2325 | #if defined(HAS_FCNTL) && defined(F_SETFD) |
760ac839 | 2326 | fcntl(PerlIO_fileno(rsfp),F_SETFD,0); /* ensure no close-on-exec */ |
96436eeb | 2327 | #endif |
3028581b | 2328 | PerlProc_execv(form("%s/perl%s", BIN_EXP, patchlevel), origargv); /* try again */ |
96436eeb | 2329 | croak("Can't do setuid\n"); |
13281fa4 | 2330 | #endif /* IAMSUID */ |
a687059c | 2331 | #else /* !DOSUID */ |
a687059c LW |
2332 | if (euid != uid || egid != gid) { /* (suidperl doesn't exist, in fact) */ |
2333 | #ifndef SETUID_SCRIPTS_ARE_SECURE_NOW | |
96827780 | 2334 | dTHR; |
3028581b | 2335 | PerlLIO_fstat(PerlIO_fileno(rsfp),&statbuf); /* may be either wrapped or real suid */ |
a687059c LW |
2336 | if ((euid != uid && euid == statbuf.st_uid && statbuf.st_mode & S_ISUID) |
2337 | || | |
2338 | (egid != gid && egid == statbuf.st_gid && statbuf.st_mode & S_ISGID) | |
2339 | ) | |
2340 | if (!do_undump) | |
463ee0b2 | 2341 | croak("YOU HAVEN'T DISABLED SET-ID SCRIPTS IN THE KERNEL YET!\n\ |
a687059c LW |
2342 | FIX YOUR KERNEL, PUT A C WRAPPER AROUND THIS SCRIPT, OR USE -u AND UNDUMP!\n"); |
2343 | #endif /* SETUID_SCRIPTS_ARE_SECURE_NOW */ | |
2344 | /* not set-id, must be wrapped */ | |
a687059c | 2345 | } |
13281fa4 | 2346 | #endif /* DOSUID */ |
79072805 | 2347 | } |
13281fa4 | 2348 | |
79072805 | 2349 | static void |
8ac85365 | 2350 | find_beginning(void) |
79072805 | 2351 | { |
6e72f9df | 2352 | register char *s, *s2; |
33b78306 LW |
2353 | |
2354 | /* skip forward in input to the real script? */ | |
2355 | ||
bbce6d69 | 2356 | forbid_setid("-x"); |
33b78306 | 2357 | while (doextract) { |
79072805 | 2358 | if ((s = sv_gets(linestr, rsfp, 0)) == Nullch) |
463ee0b2 | 2359 | croak("No Perl script found in input\n"); |
6e72f9df | 2360 | if (*s == '#' && s[1] == '!' && (s = instr(s,"perl"))) { |
760ac839 | 2361 | PerlIO_ungetc(rsfp, '\n'); /* to keep line count right */ |
33b78306 | 2362 | doextract = FALSE; |
6e72f9df | 2363 | while (*s && !(isSPACE (*s) || *s == '#')) s++; |
2364 | s2 = s; | |
2365 | while (*s == ' ' || *s == '\t') s++; | |
2366 | if (*s++ == '-') { | |
2367 | while (isDIGIT(s2[-1]) || strchr("-._", s2[-1])) s2--; | |
2368 | if (strnEQ(s2-4,"perl",4)) | |
2369 | /*SUPPRESS 530*/ | |
2370 | while (s = moreswitches(s)) ; | |
33b78306 | 2371 | } |
3028581b | 2372 | if (cddir && PerlDir_chdir(cddir) < 0) |
463ee0b2 | 2373 | croak("Can't chdir to %s",cddir); |
83025b21 LW |
2374 | } |
2375 | } | |
2376 | } | |
2377 | ||
79072805 | 2378 | static void |
8ac85365 | 2379 | init_ids(void) |
352d5a3a | 2380 | { |
748a9306 LW |
2381 | uid = (int)getuid(); |
2382 | euid = (int)geteuid(); | |
2383 | gid = (int)getgid(); | |
2384 | egid = (int)getegid(); | |
2385 | #ifdef VMS | |
2386 | uid |= gid << 16; | |
2387 | euid |= egid << 16; | |
2388 | #endif | |
4633a7c4 | 2389 | tainting |= (uid && (euid != uid || egid != gid)); |
748a9306 | 2390 | } |
79072805 | 2391 | |
748a9306 | 2392 | static void |
8ac85365 | 2393 | forbid_setid(char *s) |
bbce6d69 | 2394 | { |
2395 | if (euid != uid) | |
2396 | croak("No %s allowed while running setuid", s); | |
2397 | if (egid != gid) | |
2398 | croak("No %s allowed while running setgid", s); | |
2399 | } | |
2400 | ||
2401 | static void | |
8ac85365 | 2402 | init_debugger(void) |
748a9306 | 2403 | { |
11343788 | 2404 | dTHR; |
79072805 | 2405 | curstash = debstash; |
748a9306 | 2406 | dbargs = GvAV(gv_AVadd((gv_fetchpv("args", GV_ADDMULTI, SVt_PVAV)))); |
79072805 | 2407 | AvREAL_off(dbargs); |
a0d0e21e LW |
2408 | DBgv = gv_fetchpv("DB", GV_ADDMULTI, SVt_PVGV); |
2409 | DBline = gv_fetchpv("dbline", GV_ADDMULTI, SVt_PVAV); | |
748a9306 LW |
2410 | DBsub = gv_HVadd(gv_fetchpv("sub", GV_ADDMULTI, SVt_PVHV)); |
2411 | DBsingle = GvSV((gv_fetchpv("single", GV_ADDMULTI, SVt_PV))); | |
c07a80fd | 2412 | sv_setiv(DBsingle, 0); |
748a9306 | 2413 | DBtrace = GvSV((gv_fetchpv("trace", GV_ADDMULTI, SVt_PV))); |
c07a80fd | 2414 | sv_setiv(DBtrace, 0); |
748a9306 | 2415 | DBsignal = GvSV((gv_fetchpv("signal", GV_ADDMULTI, SVt_PV))); |
c07a80fd | 2416 | sv_setiv(DBsignal, 0); |
79072805 | 2417 | curstash = defstash; |
352d5a3a LW |
2418 | } |
2419 | ||
2ce36478 SM |
2420 | #ifndef STRESS_REALLOC |
2421 | #define REASONABLE(size) (size) | |
2422 | #else | |
2423 | #define REASONABLE(size) (1) /* unreasonable */ | |
2424 | #endif | |
2425 | ||
11343788 | 2426 | void |
8ac85365 | 2427 | init_stacks(ARGSproto) |
79072805 | 2428 | { |
e336de0d GS |
2429 | /* start with 128-item stack and 8K cxstack */ |
2430 | curstackinfo = new_stackinfo(REASONABLE(128), | |
2431 | REASONABLE(8192/sizeof(PERL_CONTEXT) - 1)); | |
2432 | curstackinfo->si_type = SI_MAIN; | |
2433 | curstack = curstackinfo->si_stack; | |
5f05dabc | 2434 | mainstack = curstack; /* remember in case we switch stacks */ |
79072805 | 2435 | |
6e72f9df | 2436 | stack_base = AvARRAY(curstack); |
79072805 | 2437 | stack_sp = stack_base; |
e336de0d | 2438 | stack_max = stack_base + AvMAX(curstack); |
8990e307 | 2439 | |
2ce36478 | 2440 | New(50,tmps_stack,REASONABLE(128),SV*); |
6d4ff0d2 | 2441 | tmps_floor = -1; |
8990e307 | 2442 | tmps_ix = -1; |
2ce36478 | 2443 | tmps_max = REASONABLE(128); |
8990e307 | 2444 | |
5f05dabc | 2445 | /* |
2446 | * The following stacks almost certainly should be per-interpreter, | |
2447 | * but for now they're not. XXX | |
2448 | */ | |
2449 | ||
6e72f9df | 2450 | if (markstack) { |
2451 | markstack_ptr = markstack; | |
2452 | } else { | |
2ce36478 | 2453 | New(54,markstack,REASONABLE(32),I32); |
6e72f9df | 2454 | markstack_ptr = markstack; |
2ce36478 | 2455 | markstack_max = markstack + REASONABLE(32); |
6e72f9df | 2456 | } |
79072805 | 2457 | |
e336de0d GS |
2458 | SET_MARKBASE; |
2459 | ||
6e72f9df | 2460 | if (scopestack) { |
2461 | scopestack_ix = 0; | |
2462 | } else { | |
2ce36478 | 2463 | New(54,scopestack,REASONABLE(32),I32); |
6e72f9df | 2464 | scopestack_ix = 0; |
2ce36478 | 2465 | scopestack_max = REASONABLE(32); |
6e72f9df | 2466 | } |
79072805 | 2467 | |
6e72f9df | 2468 | if (savestack) { |
2469 | savestack_ix = 0; | |
2470 | } else { | |
2ce36478 | 2471 | New(54,savestack,REASONABLE(128),ANY); |
6e72f9df | 2472 | savestack_ix = 0; |
2ce36478 | 2473 | savestack_max = REASONABLE(128); |
6e72f9df | 2474 | } |
79072805 | 2475 | |
6e72f9df | 2476 | if (retstack) { |
2477 | retstack_ix = 0; | |
2478 | } else { | |
2ce36478 | 2479 | New(54,retstack,REASONABLE(16),OP*); |
6e72f9df | 2480 | retstack_ix = 0; |
2ce36478 | 2481 | retstack_max = REASONABLE(16); |
5f05dabc | 2482 | } |
378cc40b | 2483 | } |
33b78306 | 2484 | |
2ce36478 SM |
2485 | #undef REASONABLE |
2486 | ||
6e72f9df | 2487 | static void |
8ac85365 | 2488 | nuke_stacks(void) |
6e72f9df | 2489 | { |
e858de61 | 2490 | dTHR; |
e336de0d GS |
2491 | while (curstackinfo->si_next) |
2492 | curstackinfo = curstackinfo->si_next; | |
2493 | while (curstackinfo) { | |
2494 | PERL_SI *p = curstackinfo->si_prev; | |
bac4b2ad | 2495 | /* curstackinfo->si_stack got nuked by sv_free_arenas() */ |
e336de0d GS |
2496 | Safefree(curstackinfo->si_cxstack); |
2497 | Safefree(curstackinfo); | |
2498 | curstackinfo = p; | |
2499 | } | |
6e72f9df | 2500 | Safefree(tmps_stack); |
5f05dabc | 2501 | DEBUG( { |
2502 | Safefree(debname); | |
2503 | Safefree(debdelim); | |
2504 | } ) | |
378cc40b | 2505 | } |
33b78306 | 2506 | |
760ac839 | 2507 | static PerlIO *tmpfp; /* moved outside init_lexer() because of UNICOS bug */ |
7aa04957 | 2508 | |
79072805 | 2509 | static void |
8ac85365 | 2510 | init_lexer(void) |
8990e307 | 2511 | { |
a0d0e21e | 2512 | tmpfp = rsfp; |
90248788 | 2513 | rsfp = Nullfp; |
8990e307 LW |
2514 | lex_start(linestr); |
2515 | rsfp = tmpfp; | |
2516 | subname = newSVpv("main",4); | |
2517 | } | |
2518 | ||
2519 | static void | |
8ac85365 | 2520 | init_predump_symbols(void) |
45d8adaa | 2521 | { |
11343788 | 2522 | dTHR; |
93a17b20 | 2523 | GV *tmpgv; |
a0d0e21e | 2524 | GV *othergv; |
79072805 | 2525 | |
e1c148c2 | 2526 | sv_setpvn(perl_get_sv("\"", TRUE), " ", 1); |
85e6fe83 | 2527 | stdingv = gv_fetchpv("STDIN",TRUE, SVt_PVIO); |
a5f75d66 | 2528 | GvMULTI_on(stdingv); |
760ac839 | 2529 | IoIFP(GvIOp(stdingv)) = PerlIO_stdin(); |
adbc6bb1 | 2530 | tmpgv = gv_fetchpv("stdin",TRUE, SVt_PV); |
a5f75d66 | 2531 | GvMULTI_on(tmpgv); |
a0d0e21e | 2532 | GvIOp(tmpgv) = (IO*)SvREFCNT_inc(GvIOp(stdingv)); |
79072805 | 2533 | |
85e6fe83 | 2534 | tmpgv = gv_fetchpv("STDOUT",TRUE, SVt_PVIO); |
a5f75d66 | 2535 | GvMULTI_on(tmpgv); |
760ac839 | 2536 | IoOFP(GvIOp(tmpgv)) = IoIFP(GvIOp(tmpgv)) = PerlIO_stdout(); |
4633a7c4 | 2537 | setdefout(tmpgv); |
adbc6bb1 | 2538 | tmpgv = gv_fetchpv("stdout",TRUE, SVt_PV); |
a5f75d66 | 2539 | GvMULTI_on(tmpgv); |
a0d0e21e | 2540 | GvIOp(tmpgv) = (IO*)SvREFCNT_inc(GvIOp(defoutgv)); |
79072805 | 2541 | |
a0d0e21e | 2542 | othergv = gv_fetchpv("STDERR",TRUE, SVt_PVIO); |
a5f75d66 | 2543 | GvMULTI_on(othergv); |
760ac839 | 2544 | IoOFP(GvIOp(othergv)) = IoIFP(GvIOp(othergv)) = PerlIO_stderr(); |
adbc6bb1 | 2545 | tmpgv = gv_fetchpv("stderr",TRUE, SVt_PV); |
a5f75d66 | 2546 | GvMULTI_on(tmpgv); |
a0d0e21e | 2547 | GvIOp(tmpgv) = (IO*)SvREFCNT_inc(GvIOp(othergv)); |
79072805 LW |
2548 | |
2549 | statname = NEWSV(66,0); /* last filename we did stat on */ | |
ab821d7f | 2550 | |
6e72f9df | 2551 | if (!osname) |
2552 | osname = savepv(OSNAME); | |
79072805 | 2553 | } |
33b78306 | 2554 | |
79072805 | 2555 | static void |
8ac85365 | 2556 | init_postdump_symbols(register int argc, register char **argv, register char **env) |
33b78306 | 2557 | { |
a863c7d1 | 2558 | dTHR; |
79072805 LW |
2559 | char *s; |
2560 | SV *sv; | |
2561 | GV* tmpgv; | |
fe14fcc3 | 2562 | |
79072805 LW |
2563 | argc--,argv++; /* skip name of script */ |
2564 | if (doswitches) { | |
2565 | for (; argc > 0 && **argv == '-'; argc--,argv++) { | |
2566 | if (!argv[0][1]) | |
2567 | break; | |
2568 | if (argv[0][1] == '-') { | |
2569 | argc--,argv++; | |
2570 | break; | |
2571 | } | |
93a17b20 | 2572 | if (s = strchr(argv[0], '=')) { |
79072805 | 2573 | *s++ = '\0'; |
85e6fe83 | 2574 | sv_setpv(GvSV(gv_fetchpv(argv[0]+1,TRUE, SVt_PV)),s); |
79072805 LW |
2575 | } |
2576 | else | |
85e6fe83 | 2577 | sv_setiv(GvSV(gv_fetchpv(argv[0]+1,TRUE, SVt_PV)),1); |
fe14fcc3 | 2578 | } |
79072805 LW |
2579 | } |
2580 | toptarget = NEWSV(0,0); | |
2581 | sv_upgrade(toptarget, SVt_PVFM); | |
2582 | sv_setpvn(toptarget, "", 0); | |
748a9306 | 2583 | bodytarget = NEWSV(0,0); |
79072805 LW |
2584 | sv_upgrade(bodytarget, SVt_PVFM); |
2585 | sv_setpvn(bodytarget, "", 0); | |
2586 | formtarget = bodytarget; | |
2587 | ||
bbce6d69 | 2588 | TAINT; |
85e6fe83 | 2589 | if (tmpgv = gv_fetchpv("0",TRUE, SVt_PV)) { |
79072805 LW |
2590 | sv_setpv(GvSV(tmpgv),origfilename); |
2591 | magicname("0", "0", 1); | |
2592 | } | |
85e6fe83 | 2593 | if (tmpgv = gv_fetchpv("\030",TRUE, SVt_PV)) |
79072805 | 2594 | sv_setpv(GvSV(tmpgv),origargv[0]); |
85e6fe83 | 2595 | if (argvgv = gv_fetchpv("ARGV",TRUE, SVt_PVAV)) { |
a5f75d66 | 2596 | GvMULTI_on(argvgv); |
79072805 LW |
2597 | (void)gv_AVadd(argvgv); |
2598 | av_clear(GvAVn(argvgv)); | |
2599 | for (; argc > 0; argc--,argv++) { | |
a0d0e21e | 2600 | av_push(GvAVn(argvgv),newSVpv(argv[0],0)); |
79072805 LW |
2601 | } |
2602 | } | |
85e6fe83 | 2603 | if (envgv = gv_fetchpv("ENV",TRUE, SVt_PVHV)) { |
79072805 | 2604 | HV *hv; |
a5f75d66 | 2605 | GvMULTI_on(envgv); |
79072805 | 2606 | hv = GvHVn(envgv); |
5aabfad6 | 2607 | hv_magic(hv, envgv, 'E'); |
a0d0e21e | 2608 | #ifndef VMS /* VMS doesn't have environ array */ |
4633a7c4 LW |
2609 | /* Note that if the supplied env parameter is actually a copy |
2610 | of the global environ then it may now point to free'd memory | |
2611 | if the environment has been modified since. To avoid this | |
2612 | problem we treat env==NULL as meaning 'use the default' | |
2613 | */ | |
2614 | if (!env) | |
2615 | env = environ; | |
5aabfad6 | 2616 | if (env != environ) |
79072805 LW |
2617 | environ[0] = Nullch; |
2618 | for (; *env; env++) { | |
93a17b20 | 2619 | if (!(s = strchr(*env,'='))) |
79072805 LW |
2620 | continue; |
2621 | *s++ = '\0'; | |
39e571d4 | 2622 | #if defined(WIN32) || defined(MSDOS) |
137443ea | 2623 | (void)strupr(*env); |
2624 | #endif | |
79072805 LW |
2625 | sv = newSVpv(s--,0); |
2626 | (void)hv_store(hv, *env, s - *env, sv, 0); | |
2627 | *s = '='; | |
3e3baf6d TB |
2628 | #if defined(__BORLANDC__) && defined(USE_WIN32_RTL_ENV) |
2629 | /* Sins of the RTL. See note in my_setenv(). */ | |
5fd9e9a4 | 2630 | (void)PerlEnv_putenv(savepv(*env)); |
3e3baf6d | 2631 | #endif |
fe14fcc3 | 2632 | } |
4550b24a | 2633 | #endif |
2634 | #ifdef DYNAMIC_ENV_FETCH | |
2635 | HvNAME(hv) = savepv(ENV_HV_NAME); | |
2636 | #endif | |
79072805 | 2637 | } |
bbce6d69 | 2638 | TAINT_NOT; |
85e6fe83 | 2639 | if (tmpgv = gv_fetchpv("$",TRUE, SVt_PV)) |
1e422769 | 2640 | sv_setiv(GvSV(tmpgv), (IV)getpid()); |
33b78306 | 2641 | } |
34de22dd | 2642 | |
79072805 | 2643 | static void |
8ac85365 | 2644 | init_perllib(void) |
34de22dd | 2645 | { |
85e6fe83 LW |
2646 | char *s; |
2647 | if (!tainting) { | |
552a7a9b | 2648 | #ifndef VMS |
5fd9e9a4 | 2649 | s = PerlEnv_getenv("PERL5LIB"); |
85e6fe83 | 2650 | if (s) |
774d564b | 2651 | incpush(s, TRUE); |
85e6fe83 | 2652 | else |
5fd9e9a4 | 2653 | incpush(PerlEnv_getenv("PERLLIB"), FALSE); |
552a7a9b | 2654 | #else /* VMS */ |
2655 | /* Treat PERL5?LIB as a possible search list logical name -- the | |
2656 | * "natural" VMS idiom for a Unix path string. We allow each | |
2657 | * element to be a set of |-separated directories for compatibility. | |
2658 | */ | |
2659 | char buf[256]; | |
2660 | int idx = 0; | |
2661 | if (my_trnlnm("PERL5LIB",buf,0)) | |
774d564b | 2662 | do { incpush(buf,TRUE); } while (my_trnlnm("PERL5LIB",buf,++idx)); |
552a7a9b | 2663 | else |
774d564b | 2664 | while (my_trnlnm("PERLLIB",buf,idx++)) incpush(buf,FALSE); |
552a7a9b | 2665 | #endif /* VMS */ |
85e6fe83 | 2666 | } |
34de22dd | 2667 | |
c90c0ff4 | 2668 | /* Use the ~-expanded versions of APPLLIB (undocumented), |
dfe9444c | 2669 | ARCHLIB PRIVLIB SITEARCH and SITELIB |
df5cef82 | 2670 | */ |
4633a7c4 | 2671 | #ifdef APPLLIB_EXP |
774d564b | 2672 | incpush(APPLLIB_EXP, FALSE); |
16d20bd9 | 2673 | #endif |
4633a7c4 | 2674 | |
fed7345c | 2675 | #ifdef ARCHLIB_EXP |
774d564b | 2676 | incpush(ARCHLIB_EXP, FALSE); |
a0d0e21e | 2677 | #endif |
fed7345c AD |
2678 | #ifndef PRIVLIB_EXP |
2679 | #define PRIVLIB_EXP "/usr/local/lib/perl5:/usr/local/lib/perl" | |
34de22dd | 2680 | #endif |
774d564b | 2681 | incpush(PRIVLIB_EXP, FALSE); |
4633a7c4 LW |
2682 | |
2683 | #ifdef SITEARCH_EXP | |
774d564b | 2684 | incpush(SITEARCH_EXP, FALSE); |
4633a7c4 LW |
2685 | #endif |
2686 | #ifdef SITELIB_EXP | |
774d564b | 2687 | incpush(SITELIB_EXP, FALSE); |
4633a7c4 | 2688 | #endif |
4633a7c4 | 2689 | if (!tainting) |
774d564b | 2690 | incpush(".", FALSE); |
2691 | } | |
2692 | ||
2693 | #if defined(DOSISH) | |
2694 | # define PERLLIB_SEP ';' | |
2695 | #else | |
2696 | # if defined(VMS) | |
2697 | # define PERLLIB_SEP '|' | |
2698 | # else | |
2699 | # define PERLLIB_SEP ':' | |
2700 | # endif | |
2701 | #endif | |
2702 | #ifndef PERLLIB_MANGLE | |
2703 | # define PERLLIB_MANGLE(s,n) (s) | |
2704 | #endif | |
2705 | ||
2706 | static void | |
8ac85365 | 2707 | incpush(char *p, int addsubdirs) |
774d564b | 2708 | { |
2709 | SV *subdir = Nullsv; | |
2710 | static char *archpat_auto; | |
2711 | ||
2712 | if (!p) | |
2713 | return; | |
2714 | ||
2715 | if (addsubdirs) { | |
8c52afec | 2716 | subdir = NEWSV(55,0); |
774d564b | 2717 | if (!archpat_auto) { |
2718 | STRLEN len = (sizeof(ARCHNAME) + strlen(patchlevel) | |
2719 | + sizeof("//auto")); | |
2720 | New(55, archpat_auto, len, char); | |
2721 | sprintf(archpat_auto, "/%s/%s/auto", ARCHNAME, patchlevel); | |
aa689395 | 2722 | #ifdef VMS |
2723 | for (len = sizeof(ARCHNAME) + 2; | |
2724 | archpat_auto[len] != '\0' && archpat_auto[len] != '/'; len++) | |
2725 | if (archpat_auto[len] == '.') archpat_auto[len] = '_'; | |
2726 | #endif | |
774d564b | 2727 | } |
2728 | } | |
2729 | ||
2730 | /* Break at all separators */ | |
2731 | while (p && *p) { | |
8c52afec | 2732 | SV *libdir = NEWSV(55,0); |
774d564b | 2733 | char *s; |
2734 | ||
2735 | /* skip any consecutive separators */ | |
2736 | while ( *p == PERLLIB_SEP ) { | |
2737 | /* Uncomment the next line for PATH semantics */ | |
2738 | /* av_push(GvAVn(incgv), newSVpv(".", 1)); */ | |
2739 | p++; | |
2740 | } | |
2741 | ||
2742 | if ( (s = strchr(p, PERLLIB_SEP)) != Nullch ) { | |
2743 | sv_setpvn(libdir, PERLLIB_MANGLE(p, (STRLEN)(s - p)), | |
2744 | (STRLEN)(s - p)); | |
2745 | p = s + 1; | |
2746 | } | |
2747 | else { | |
2748 | sv_setpv(libdir, PERLLIB_MANGLE(p, 0)); | |
2749 | p = Nullch; /* break out */ | |
2750 | } | |
2751 | ||
2752 | /* | |
2753 | * BEFORE pushing libdir onto @INC we may first push version- and | |
2754 | * archname-specific sub-directories. | |
2755 | */ | |
2756 | if (addsubdirs) { | |
2757 | struct stat tmpstatbuf; | |
aa689395 | 2758 | #ifdef VMS |
2759 | char *unix; | |
2760 | STRLEN len; | |
774d564b | 2761 | |
aa689395 | 2762 | if ((unix = tounixspec_ts(SvPV(libdir,na),Nullch)) != Nullch) { |
2763 | len = strlen(unix); | |
2764 | while (unix[len-1] == '/') len--; /* Cosmetic */ | |
2765 | sv_usepvn(libdir,unix,len); | |
2766 | } | |
2767 | else | |
2768 | PerlIO_printf(PerlIO_stderr(), | |
2769 | "Failed to unixify @INC element \"%s\"\n", | |
2770 | SvPV(libdir,na)); | |
2771 | #endif | |
4fdae800 | 2772 | /* .../archname/version if -d .../archname/version/auto */ |
774d564b | 2773 | sv_setsv(subdir, libdir); |
2774 | sv_catpv(subdir, archpat_auto); | |
c6ed36e1 | 2775 | if (PerlLIO_stat(SvPVX(subdir), &tmpstatbuf) >= 0 && |
774d564b | 2776 | S_ISDIR(tmpstatbuf.st_mode)) |
2777 | av_push(GvAVn(incgv), | |
2778 | newSVpv(SvPVX(subdir), SvCUR(subdir) - sizeof "auto")); | |
2779 | ||
4fdae800 | 2780 | /* .../archname if -d .../archname/auto */ |
774d564b | 2781 | sv_insert(subdir, SvCUR(libdir) + sizeof(ARCHNAME), |
2782 | strlen(patchlevel) + 1, "", 0); | |
c6ed36e1 | 2783 | if (PerlLIO_stat(SvPVX(subdir), &tmpstatbuf) >= 0 && |
774d564b | 2784 | S_ISDIR(tmpstatbuf.st_mode)) |
2785 | av_push(GvAVn(incgv), | |
2786 | newSVpv(SvPVX(subdir), SvCUR(subdir) - sizeof "auto")); | |
2787 | } | |
2788 | ||
2789 | /* finally push this lib directory on the end of @INC */ | |
2790 | av_push(GvAVn(incgv), libdir); | |
2791 | } | |
2792 | ||
2793 | SvREFCNT_dec(subdir); | |
34de22dd | 2794 | } |
93a17b20 | 2795 | |
199100c8 | 2796 | #ifdef USE_THREADS |
52e1cb5e | 2797 | static struct perl_thread * |
199100c8 MB |
2798 | init_main_thread() |
2799 | { | |
52e1cb5e | 2800 | struct perl_thread *thr; |
199100c8 MB |
2801 | XPV *xpv; |
2802 | ||
52e1cb5e | 2803 | Newz(53, thr, 1, struct perl_thread); |
199100c8 MB |
2804 | curcop = &compiling; |
2805 | thr->cvcache = newHV(); | |
54b9620d | 2806 | thr->threadsv = newAV(); |
940cb80d | 2807 | /* thr->threadsvp is set when find_threadsv is called */ |
199100c8 | 2808 | thr->specific = newAV(); |
38a03e6e | 2809 | thr->errhv = newHV(); |
199100c8 MB |
2810 | thr->flags = THRf_R_JOINABLE; |
2811 | MUTEX_INIT(&thr->mutex); | |
2812 | /* Handcraft thrsv similarly to mess_sv */ | |
2813 | New(53, thrsv, 1, SV); | |
2814 | Newz(53, xpv, 1, XPV); | |
2815 | SvFLAGS(thrsv) = SVt_PV; | |
2816 | SvANY(thrsv) = (void*)xpv; | |
2817 | SvREFCNT(thrsv) = 1 << 30; /* practically infinite */ | |
2818 | SvPVX(thrsv) = (char*)thr; | |
2819 | SvCUR_set(thrsv, sizeof(thr)); | |
2820 | SvLEN_set(thrsv, sizeof(thr)); | |
2821 | *SvEND(thrsv) = '\0'; /* in the trailing_nul field */ | |
2822 | thr->oursv = thrsv; | |
2823 | curcop = &compiling; | |
2824 | chopset = " \n-"; | |
2825 | ||
2826 | MUTEX_LOCK(&threads_mutex); | |
2827 | nthreads++; | |
2828 | thr->tid = 0; | |
2829 | thr->next = thr; | |
2830 | thr->prev = thr; | |
2831 | MUTEX_UNLOCK(&threads_mutex); | |
2832 | ||
4b026b9e GS |
2833 | #ifdef HAVE_THREAD_INTERN |
2834 | init_thread_intern(thr); | |
235db74f GS |
2835 | #endif |
2836 | ||
2837 | #ifdef SET_THREAD_SELF | |
2838 | SET_THREAD_SELF(thr); | |
199100c8 MB |
2839 | #else |
2840 | thr->self = pthread_self(); | |
235db74f | 2841 | #endif /* SET_THREAD_SELF */ |
199100c8 MB |
2842 | SET_THR(thr); |
2843 | ||
2844 | /* | |
2845 | * These must come after the SET_THR because sv_setpvn does | |
2846 | * SvTAINT and the taint fields require dTHR. | |
2847 | */ | |
2848 | toptarget = NEWSV(0,0); | |
2849 | sv_upgrade(toptarget, SVt_PVFM); | |
2850 | sv_setpvn(toptarget, "", 0); | |
2851 | bodytarget = NEWSV(0,0); | |
2852 | sv_upgrade(bodytarget, SVt_PVFM); | |
2853 | sv_setpvn(bodytarget, "", 0); | |
2854 | formtarget = bodytarget; | |
2faa37cc | 2855 | thr->errsv = newSVpv("", 0); |
78857c3c | 2856 | (void) find_threadsv("@"); /* Ensure $@ is initialised early */ |
199100c8 MB |
2857 | return thr; |
2858 | } | |
2859 | #endif /* USE_THREADS */ | |
2860 | ||
93a17b20 | 2861 | void |
8ac85365 | 2862 | call_list(I32 oldscope, AV *list) |
93a17b20 | 2863 | { |
11343788 | 2864 | dTHR; |
a0d0e21e | 2865 | line_t oldline = curcop->cop_line; |
22921e25 CS |
2866 | STRLEN len; |
2867 | dJMPENV; | |
2868 | int ret; | |
93a17b20 | 2869 | |
93965878 | 2870 | while (AvFILL(list) >= 0) { |
8990e307 | 2871 | CV *cv = (CV*)av_shift(list); |
93a17b20 | 2872 | |
8990e307 | 2873 | SAVEFREESV(cv); |
a0d0e21e | 2874 | |
22921e25 CS |
2875 | JMPENV_PUSH(ret); |
2876 | switch (ret) { | |
748a9306 | 2877 | case 0: { |
38a03e6e | 2878 | SV* atsv = ERRSV; |
748a9306 LW |
2879 | PUSHMARK(stack_sp); |
2880 | perl_call_sv((SV*)cv, G_EVAL|G_DISCARD); | |
12f917ad | 2881 | (void)SvPV(atsv, len); |
748a9306 | 2882 | if (len) { |
54310121 | 2883 | JMPENV_POP; |
748a9306 LW |
2884 | curcop = &compiling; |
2885 | curcop->cop_line = oldline; | |
2886 | if (list == beginav) | |
12f917ad | 2887 | sv_catpv(atsv, "BEGIN failed--compilation aborted"); |
748a9306 | 2888 | else |
12f917ad | 2889 | sv_catpv(atsv, "END failed--cleanup aborted"); |
2ae324a7 | 2890 | while (scopestack_ix > oldscope) |
2891 | LEAVE; | |
12f917ad | 2892 | croak("%s", SvPVX(atsv)); |
748a9306 | 2893 | } |
a0d0e21e | 2894 | } |
85e6fe83 LW |
2895 | break; |
2896 | case 1: | |
f86702cc | 2897 | STATUS_ALL_FAILURE; |
85e6fe83 LW |
2898 | /* FALL THROUGH */ |
2899 | case 2: | |
2900 | /* my_exit() was called */ | |
2ae324a7 | 2901 | while (scopestack_ix > oldscope) |
2902 | LEAVE; | |
84902520 | 2903 | FREETMPS; |
85e6fe83 LW |
2904 | curstash = defstash; |
2905 | if (endav) | |
68dc0745 | 2906 | call_list(oldscope, endav); |
54310121 | 2907 | JMPENV_POP; |
a0d0e21e LW |
2908 | curcop = &compiling; |
2909 | curcop->cop_line = oldline; | |
85e6fe83 LW |
2910 | if (statusvalue) { |
2911 | if (list == beginav) | |
a0d0e21e | 2912 | croak("BEGIN failed--compilation aborted"); |
85e6fe83 | 2913 | else |
a0d0e21e | 2914 | croak("END failed--cleanup aborted"); |
85e6fe83 | 2915 | } |
f86702cc | 2916 | my_exit_jump(); |
85e6fe83 | 2917 | /* NOTREACHED */ |
85e6fe83 LW |
2918 | case 3: |
2919 | if (!restartop) { | |
760ac839 | 2920 | PerlIO_printf(PerlIO_stderr(), "panic: restartop\n"); |
a0d0e21e | 2921 | FREETMPS; |
85e6fe83 LW |
2922 | break; |
2923 | } | |
54310121 | 2924 | JMPENV_POP; |
a0d0e21e LW |
2925 | curcop = &compiling; |
2926 | curcop->cop_line = oldline; | |
54310121 | 2927 | JMPENV_JUMP(3); |
8990e307 | 2928 | } |
54310121 | 2929 | JMPENV_POP; |
93a17b20 | 2930 | } |
93a17b20 | 2931 | } |
93a17b20 | 2932 | |
f86702cc | 2933 | void |
8ac85365 | 2934 | my_exit(U32 status) |
f86702cc | 2935 | { |
5dc0d613 MB |
2936 | dTHR; |
2937 | ||
2938 | #ifdef USE_THREADS | |
a863c7d1 MB |
2939 | DEBUG_L(PerlIO_printf(Perl_debug_log, "my_exit: thread %p, status %lu\n", |
2940 | thr, (unsigned long) status)); | |
5dc0d613 | 2941 | #endif /* USE_THREADS */ |
f86702cc | 2942 | switch (status) { |
2943 | case 0: | |
2944 | STATUS_ALL_SUCCESS; | |
2945 | break; | |
2946 | case 1: | |
2947 | STATUS_ALL_FAILURE; | |
2948 | break; | |
2949 | default: | |
2950 | STATUS_NATIVE_SET(status); | |
2951 | break; | |
2952 | } | |
2953 | my_exit_jump(); | |
2954 | } | |
2955 | ||
2956 | void | |
8ac85365 | 2957 | my_failure_exit(void) |
f86702cc | 2958 | { |
2959 | #ifdef VMS | |
2960 | if (vaxc$errno & 1) { | |
4fdae800 | 2961 | if (STATUS_NATIVE & 1) /* fortuitiously includes "-1" */ |
2962 | STATUS_NATIVE_SET(44); | |
f86702cc | 2963 | } |
2964 | else { | |
ff0cee69 | 2965 | if (!vaxc$errno && errno) /* unlikely */ |
4fdae800 | 2966 | STATUS_NATIVE_SET(44); |
f86702cc | 2967 | else |
4fdae800 | 2968 | STATUS_NATIVE_SET(vaxc$errno); |
f86702cc | 2969 | } |
2970 | #else | |
2971 | if (errno & 255) | |
2972 | STATUS_POSIX_SET(errno); | |
2973 | else if (STATUS_POSIX == 0) | |
2974 | STATUS_POSIX_SET(255); | |
2975 | #endif | |
2976 | my_exit_jump(); | |
93a17b20 LW |
2977 | } |
2978 | ||
f86702cc | 2979 | static void |
8ac85365 | 2980 | my_exit_jump(void) |
f86702cc | 2981 | { |
bac4b2ad | 2982 | dSP; |
c09156bb | 2983 | register PERL_CONTEXT *cx; |
f86702cc | 2984 | I32 gimme; |
2985 | SV **newsp; | |
2986 | ||
2987 | if (e_tmpname) { | |
2988 | if (e_fp) { | |
2989 | PerlIO_close(e_fp); | |
2990 | e_fp = Nullfp; | |
2991 | } | |
2992 | (void)UNLINK(e_tmpname); | |
2993 | Safefree(e_tmpname); | |
2994 | e_tmpname = Nullch; | |
2995 | } | |
2996 | ||
bac4b2ad | 2997 | POPSTACK_TO(mainstack); |
f86702cc | 2998 | if (cxstack_ix >= 0) { |
2999 | if (cxstack_ix > 0) | |
3000 | dounwind(0); | |
3001 | POPBLOCK(cx,curpm); | |
3002 | LEAVE; | |
3003 | } | |
ff0cee69 | 3004 | |
54310121 | 3005 | JMPENV_JUMP(2); |
f86702cc | 3006 | } |
4e35701f | 3007 | |
aeea060c | 3008 | |
22239a37 | 3009 |