Commit | Line | Data |
---|---|---|
a0d0e21e LW |
1 | /* perl.c |
2 | * | |
a411490c | 3 | * Copyright (c) 1987-1998 Larry Wall |
a687059c | 4 | * |
352d5a3a LW |
5 | * You may distribute under the terms of either the GNU General Public |
6 | * License or the Artistic License, as specified in the README file. | |
a687059c | 7 | * |
8d063cd8 LW |
8 | */ |
9 | ||
a0d0e21e LW |
10 | /* |
11 | * "A ship then new they built for him/of mithril and of elven glass" --Bilbo | |
12 | */ | |
45d8adaa | 13 | |
378cc40b LW |
14 | #include "EXTERN.h" |
15 | #include "perl.h" | |
a687059c | 16 | #include "patchlevel.h" |
378cc40b | 17 | |
df5cef82 | 18 | /* XXX If this causes problems, set i_unistd=undef in the hint file. */ |
a0d0e21e LW |
19 | #ifdef I_UNISTD |
20 | #include <unistd.h> | |
21 | #endif | |
a0d0e21e | 22 | |
54310121 | 23 | #if !defined(STANDARD_C) && !defined(HAS_GETENV_PROTOTYPE) |
24 | char *getenv _((char *)); /* Usually in <stdlib.h> */ | |
25 | #endif | |
26 | ||
71be2cbc | 27 | dEXTCONST char rcsid[] = "perl.c\nPatch level: ###\n"; |
463ee0b2 | 28 | |
a687059c LW |
29 | #ifdef IAMSUID |
30 | #ifndef DOSUID | |
31 | #define DOSUID | |
32 | #endif | |
33 | #endif | |
378cc40b | 34 | |
a687059c LW |
35 | #ifdef SETUID_SCRIPTS_ARE_SECURE_NOW |
36 | #ifdef DOSUID | |
37 | #undef DOSUID | |
38 | #endif | |
39 | #endif | |
8d063cd8 | 40 | |
8ebc5c01 | 41 | #define I_REINIT \ |
42 | STMT_START { \ | |
43 | chopset = " \n-"; \ | |
44 | copline = NOLINE; \ | |
45 | curcop = &compiling; \ | |
46 | curcopdb = NULL; \ | |
47 | cxstack_ix = -1; \ | |
48 | cxstack_max = 128; \ | |
49 | dbargs = 0; \ | |
50 | dlmax = 128; \ | |
51 | laststatval = -1; \ | |
52 | laststype = OP_STAT; \ | |
53 | maxscream = -1; \ | |
54 | maxsysfd = MAXSYSFD; \ | |
55 | statname = Nullsv; \ | |
56 | tmps_floor = -1; \ | |
57 | tmps_ix = -1; \ | |
58 | op_mask = NULL; \ | |
59 | dlmax = 128; \ | |
60 | laststatval = -1; \ | |
61 | laststype = OP_STAT; \ | |
46fc3d4c | 62 | mess_sv = Nullsv; \ |
8ebc5c01 | 63 | } STMT_END |
64 | ||
a0d0e21e | 65 | static void find_beginning _((void)); |
bbce6d69 | 66 | static void forbid_setid _((char *)); |
774d564b | 67 | static void incpush _((char *, int)); |
748a9306 | 68 | static void init_ids _((void)); |
a0d0e21e LW |
69 | static void init_debugger _((void)); |
70 | static void init_lexer _((void)); | |
71 | static void init_main_stash _((void)); | |
199100c8 | 72 | #ifdef USE_THREADS |
52e1cb5e | 73 | static struct perl_thread * init_main_thread _((void)); |
199100c8 | 74 | #endif /* USE_THREADS */ |
a0d0e21e LW |
75 | static void init_perllib _((void)); |
76 | static void init_postdump_symbols _((int, char **, char **)); | |
77 | static void init_predump_symbols _((void)); | |
f86702cc | 78 | static void my_exit_jump _((void)) __attribute__((noreturn)); |
6e72f9df | 79 | static void nuke_stacks _((void)); |
a0d0e21e | 80 | static void open_script _((char *, bool, SV *)); |
ab821d7f | 81 | static void usage _((char *)); |
96436eeb | 82 | static void validate_suid _((char *, char*)); |
83 | ||
84 | static int fdscript = -1; | |
79072805 | 85 | |
77a005ab MB |
86 | #if defined(DEBUGGING) && defined(USE_THREADS) && defined(__linux__) |
87 | #include <asm/sigcontext.h> | |
88 | static void | |
89 | catch_sigsegv(int signo, struct sigcontext_struct sc) | |
90 | { | |
3028581b | 91 | PerlProc_signal(SIGSEGV, SIG_DFL); |
77a005ab MB |
92 | fprintf(stderr, "Segmentation fault dereferencing 0x%lx\n" |
93 | "return_address = 0x%lx, eip = 0x%lx\n", | |
94 | sc.cr2, __builtin_return_address(0), sc.eip); | |
95 | fprintf(stderr, "thread = 0x%lx\n", (unsigned long)THR); | |
96 | } | |
97 | #endif | |
98 | ||
93a17b20 | 99 | PerlInterpreter * |
8ac85365 | 100 | perl_alloc(void) |
79072805 | 101 | { |
93a17b20 | 102 | PerlInterpreter *sv_interp; |
79072805 | 103 | |
8990e307 | 104 | curinterp = 0; |
93a17b20 | 105 | New(53, sv_interp, 1, PerlInterpreter); |
79072805 LW |
106 | return sv_interp; |
107 | } | |
108 | ||
109 | void | |
8ac85365 | 110 | perl_construct(register PerlInterpreter *sv_interp) |
79072805 | 111 | { |
a863c7d1 MB |
112 | #ifdef USE_THREADS |
113 | int i; | |
114 | #ifndef FAKE_THREADS | |
52e1cb5e | 115 | struct perl_thread *thr; |
a863c7d1 MB |
116 | #endif /* FAKE_THREADS */ |
117 | #endif /* USE_THREADS */ | |
11343788 | 118 | |
79072805 LW |
119 | if (!(curinterp = sv_interp)) |
120 | return; | |
121 | ||
8990e307 | 122 | #ifdef MULTIPLICITY |
93a17b20 | 123 | Zero(sv_interp, 1, PerlInterpreter); |
8990e307 | 124 | #endif |
79072805 | 125 | |
33f46ff6 | 126 | /* Init the real globals (and main thread)? */ |
c116a00c | 127 | if (!linestr) { |
11343788 | 128 | #ifdef USE_THREADS |
8023c3ce | 129 | |
33f46ff6 | 130 | INIT_THREADS; |
d55594ae GS |
131 | #ifdef ALLOC_THREAD_KEY |
132 | ALLOC_THREAD_KEY; | |
133 | #else | |
a863c7d1 MB |
134 | if (pthread_key_create(&thr_key, 0)) |
135 | croak("panic: pthread_key_create"); | |
d55594ae | 136 | #endif |
c116a00c | 137 | MUTEX_INIT(&sv_mutex); |
a863c7d1 MB |
138 | /* |
139 | * Safe to use basic SV functions from now on (though | |
140 | * not things like mortals or tainting yet). | |
141 | */ | |
c116a00c MB |
142 | MUTEX_INIT(&eval_mutex); |
143 | COND_INIT(&eval_cond); | |
33f46ff6 | 144 | MUTEX_INIT(&threads_mutex); |
c116a00c | 145 | COND_INIT(&nthreads_cond); |
a863c7d1 | 146 | |
199100c8 | 147 | thr = init_main_thread(); |
11343788 MB |
148 | #endif /* USE_THREADS */ |
149 | ||
79072805 | 150 | linestr = NEWSV(65,80); |
ed6116ce | 151 | sv_upgrade(linestr,SVt_PVIV); |
79072805 | 152 | |
6e72f9df | 153 | if (!SvREADONLY(&sv_undef)) { |
154 | SvREADONLY_on(&sv_undef); | |
79072805 | 155 | |
6e72f9df | 156 | sv_setpv(&sv_no,No); |
157 | SvNV(&sv_no); | |
158 | SvREADONLY_on(&sv_no); | |
79072805 | 159 | |
6e72f9df | 160 | sv_setpv(&sv_yes,Yes); |
161 | SvNV(&sv_yes); | |
162 | SvREADONLY_on(&sv_yes); | |
163 | } | |
79072805 | 164 | |
c07a80fd | 165 | nrs = newSVpv("\n", 1); |
166 | rs = SvREFCNT_inc(nrs); | |
167 | ||
c23142e2 | 168 | sighandlerp = sighandler; |
44a8e56a | 169 | pidstatus = newHV(); |
170 | ||
79072805 LW |
171 | #ifdef MSDOS |
172 | /* | |
173 | * There is no way we can refer to them from Perl so close them to save | |
174 | * space. The other alternative would be to provide STDAUX and STDPRN | |
175 | * filehandles. | |
176 | */ | |
177 | (void)fclose(stdaux); | |
178 | (void)fclose(stdprn); | |
179 | #endif | |
180 | } | |
181 | ||
8990e307 | 182 | #ifdef MULTIPLICITY |
8ebc5c01 | 183 | I_REINIT; |
184 | perl_destruct_level = 1; | |
185 | #else | |
186 | if(perl_destruct_level > 0) | |
187 | I_REINIT; | |
79072805 LW |
188 | #endif |
189 | ||
748a9306 | 190 | init_ids(); |
fb73857a | 191 | lex_state = LEX_NOTPARSING; |
a5f75d66 | 192 | |
54310121 | 193 | start_env.je_prev = NULL; |
194 | start_env.je_ret = -1; | |
195 | start_env.je_mustcatch = TRUE; | |
196 | top_env = &start_env; | |
f86702cc | 197 | STATUS_ALL_SUCCESS; |
198 | ||
36477c24 | 199 | SET_NUMERIC_STANDARD(); |
a5f75d66 | 200 | #if defined(SUBVERSION) && SUBVERSION > 0 |
e2666263 | 201 | sprintf(patchlevel, "%7.5f", (double) 5 |
202 | + ((double) PATCHLEVEL / (double) 1000) | |
203 | + ((double) SUBVERSION / (double) 100000)); | |
a5f75d66 | 204 | #else |
e2666263 | 205 | sprintf(patchlevel, "%5.3f", (double) 5 + |
206 | ((double) PATCHLEVEL / (double) 1000)); | |
a5f75d66 | 207 | #endif |
79072805 | 208 | |
ab821d7f | 209 | #if defined(LOCAL_PATCH_COUNT) |
6e72f9df | 210 | localpatches = local_patches; /* For possible -v */ |
ab821d7f | 211 | #endif |
212 | ||
760ac839 LW |
213 | PerlIO_init(); /* Hook to IO system */ |
214 | ||
79072805 | 215 | fdpid = newAV(); /* for remembering popen pids by fd */ |
8990e307 | 216 | |
11343788 MB |
217 | init_stacks(ARGS); |
218 | DEBUG( { | |
219 | New(51,debname,128,char); | |
220 | New(52,debdelim,128,char); | |
221 | } ) | |
222 | ||
8990e307 | 223 | ENTER; |
79072805 LW |
224 | } |
225 | ||
226 | void | |
8ac85365 | 227 | perl_destruct(register PerlInterpreter *sv_interp) |
79072805 | 228 | { |
11343788 | 229 | dTHR; |
748a9306 | 230 | int destruct_level; /* 0=none, 1=full, 2=full with checks */ |
8990e307 | 231 | I32 last_sv_count; |
a0d0e21e | 232 | HV *hv; |
1f2bfc8a | 233 | #ifdef USE_THREADS |
33f46ff6 | 234 | Thread t; |
1f2bfc8a | 235 | #endif /* USE_THREADS */ |
8990e307 | 236 | |
79072805 LW |
237 | if (!(curinterp = sv_interp)) |
238 | return; | |
748a9306 | 239 | |
11343788 | 240 | #ifdef USE_THREADS |
0f15f207 | 241 | #ifndef FAKE_THREADS |
8023c3ce MB |
242 | /* Pass 1 on any remaining threads: detach joinables, join zombies */ |
243 | retry_cleanup: | |
33f46ff6 MB |
244 | MUTEX_LOCK(&threads_mutex); |
245 | DEBUG_L(PerlIO_printf(PerlIO_stderr(), | |
c7848ba1 | 246 | "perl_destruct: waiting for %d threads...\n", |
33f46ff6 MB |
247 | nthreads - 1)); |
248 | for (t = thr->next; t != thr; t = t->next) { | |
605e5515 MB |
249 | MUTEX_LOCK(&t->mutex); |
250 | switch (ThrSTATE(t)) { | |
251 | AV *av; | |
c7848ba1 MB |
252 | case THRf_ZOMBIE: |
253 | DEBUG_L(PerlIO_printf(PerlIO_stderr(), | |
254 | "perl_destruct: joining zombie %p\n", t)); | |
605e5515 MB |
255 | ThrSETSTATE(t, THRf_DEAD); |
256 | MUTEX_UNLOCK(&t->mutex); | |
257 | nthreads--; | |
8023c3ce MB |
258 | /* |
259 | * The SvREFCNT_dec below may take a long time (e.g. av | |
260 | * may contain an object scalar whose destructor gets | |
261 | * called) so we have to unlock threads_mutex and start | |
262 | * all over again. | |
263 | */ | |
605e5515 | 264 | MUTEX_UNLOCK(&threads_mutex); |
ea0efc06 | 265 | JOIN(t, &av); |
605e5515 | 266 | SvREFCNT_dec((SV*)av); |
c7848ba1 MB |
267 | DEBUG_L(PerlIO_printf(PerlIO_stderr(), |
268 | "perl_destruct: joined zombie %p OK\n", t)); | |
8023c3ce | 269 | goto retry_cleanup; |
c7848ba1 MB |
270 | case THRf_R_JOINABLE: |
271 | DEBUG_L(PerlIO_printf(PerlIO_stderr(), | |
272 | "perl_destruct: detaching thread %p\n", t)); | |
273 | ThrSETSTATE(t, THRf_R_DETACHED); | |
274 | /* | |
275 | * We unlock threads_mutex and t->mutex in the opposite order | |
276 | * from which we locked them just so that DETACH won't | |
277 | * deadlock if it panics. It's only a breach of good style | |
278 | * not a bug since they are unlocks not locks. | |
279 | */ | |
280 | MUTEX_UNLOCK(&threads_mutex); | |
281 | DETACH(t); | |
282 | MUTEX_UNLOCK(&t->mutex); | |
8023c3ce | 283 | goto retry_cleanup; |
c7848ba1 MB |
284 | default: |
285 | DEBUG_L(PerlIO_printf(PerlIO_stderr(), | |
286 | "perl_destruct: ignoring %p (state %u)\n", | |
287 | t, ThrSTATE(t))); | |
288 | MUTEX_UNLOCK(&t->mutex); | |
c7848ba1 | 289 | /* fall through and out */ |
33f46ff6 MB |
290 | } |
291 | } | |
8023c3ce MB |
292 | /* We leave the above "Pass 1" loop with threads_mutex still locked */ |
293 | ||
294 | /* Pass 2 on remaining threads: wait for the thread count to drop to one */ | |
11343788 MB |
295 | while (nthreads > 1) |
296 | { | |
33f46ff6 | 297 | DEBUG_L(PerlIO_printf(PerlIO_stderr(), |
c7848ba1 | 298 | "perl_destruct: final wait for %d threads\n", |
33f46ff6 MB |
299 | nthreads - 1)); |
300 | COND_WAIT(&nthreads_cond, &threads_mutex); | |
11343788 MB |
301 | } |
302 | /* At this point, we're the last thread */ | |
33f46ff6 | 303 | MUTEX_UNLOCK(&threads_mutex); |
d9f997d7 | 304 | DEBUG_L(PerlIO_printf(PerlIO_stderr(), "perl_destruct: armageddon has arrived\n")); |
33f46ff6 | 305 | MUTEX_DESTROY(&threads_mutex); |
11343788 | 306 | COND_DESTROY(&nthreads_cond); |
0f15f207 | 307 | #endif /* !defined(FAKE_THREADS) */ |
11343788 MB |
308 | #endif /* USE_THREADS */ |
309 | ||
748a9306 | 310 | destruct_level = perl_destruct_level; |
4633a7c4 LW |
311 | #ifdef DEBUGGING |
312 | { | |
313 | char *s; | |
5fd9e9a4 | 314 | if (s = PerlEnv_getenv("PERL_DESTRUCT_LEVEL")) { |
5f05dabc | 315 | int i = atoi(s); |
316 | if (destruct_level < i) | |
317 | destruct_level = i; | |
318 | } | |
4633a7c4 LW |
319 | } |
320 | #endif | |
321 | ||
8990e307 | 322 | LEAVE; |
a0d0e21e LW |
323 | FREETMPS; |
324 | ||
ff0cee69 | 325 | /* We must account for everything. */ |
326 | ||
327 | /* Destroy the main CV and syntax tree */ | |
6e72f9df | 328 | if (main_root) { |
329 | curpad = AvARRAY(comppad); | |
330 | op_free(main_root); | |
ff0cee69 | 331 | main_root = Nullop; |
a0d0e21e | 332 | } |
ff0cee69 | 333 | main_start = Nullop; |
334 | SvREFCNT_dec(main_cv); | |
335 | main_cv = Nullcv; | |
336 | ||
a0d0e21e LW |
337 | if (sv_objcount) { |
338 | /* | |
339 | * Try to destruct global references. We do this first so that the | |
340 | * destructors and destructees still exist. Some sv's might remain. | |
341 | * Non-referenced objects are on their own. | |
342 | */ | |
343 | ||
344 | dirty = TRUE; | |
345 | sv_clean_objs(); | |
8990e307 LW |
346 | } |
347 | ||
5cd24f17 | 348 | /* unhook hooks which will soon be, or use, destroyed data */ |
349 | SvREFCNT_dec(warnhook); | |
350 | warnhook = Nullsv; | |
351 | SvREFCNT_dec(diehook); | |
352 | diehook = Nullsv; | |
353 | SvREFCNT_dec(parsehook); | |
354 | parsehook = Nullsv; | |
355 | ||
a0d0e21e | 356 | if (destruct_level == 0){ |
8990e307 | 357 | |
a0d0e21e LW |
358 | DEBUG_P(debprofdump()); |
359 | ||
360 | /* The exit() function will do everything that needs doing. */ | |
361 | return; | |
362 | } | |
5dd60ef7 | 363 | |
5f05dabc | 364 | /* loosen bonds of global variables */ |
365 | ||
8ebc5c01 | 366 | if(rsfp) { |
367 | (void)PerlIO_close(rsfp); | |
368 | rsfp = Nullfp; | |
369 | } | |
370 | ||
371 | /* Filters for program text */ | |
372 | SvREFCNT_dec(rsfp_filters); | |
373 | rsfp_filters = Nullav; | |
374 | ||
375 | /* switches */ | |
376 | preprocess = FALSE; | |
377 | minus_n = FALSE; | |
378 | minus_p = FALSE; | |
379 | minus_l = FALSE; | |
380 | minus_a = FALSE; | |
381 | minus_F = FALSE; | |
382 | doswitches = FALSE; | |
383 | dowarn = FALSE; | |
384 | doextract = FALSE; | |
385 | sawampersand = FALSE; /* must save all match strings */ | |
386 | sawstudy = FALSE; /* do fbm_instr on all strings */ | |
387 | sawvec = FALSE; | |
388 | unsafe = FALSE; | |
389 | ||
390 | Safefree(inplace); | |
391 | inplace = Nullch; | |
392 | ||
393 | Safefree(e_tmpname); | |
394 | e_tmpname = Nullch; | |
395 | ||
396 | if (e_fp) { | |
397 | PerlIO_close(e_fp); | |
398 | e_fp = Nullfp; | |
399 | } | |
400 | ||
401 | /* magical thingies */ | |
402 | ||
403 | Safefree(ofs); /* $, */ | |
404 | ofs = Nullch; | |
5f05dabc | 405 | |
8ebc5c01 | 406 | Safefree(ors); /* $\ */ |
407 | ors = Nullch; | |
408 | ||
409 | SvREFCNT_dec(nrs); /* $\ helper */ | |
5f05dabc | 410 | nrs = Nullsv; |
411 | ||
8ebc5c01 | 412 | multiline = 0; /* $* */ |
5f05dabc | 413 | |
8ebc5c01 | 414 | SvREFCNT_dec(statname); |
5f05dabc | 415 | statname = Nullsv; |
416 | statgv = Nullgv; | |
5f05dabc | 417 | |
8ebc5c01 | 418 | /* defgv, aka *_ should be taken care of elsewhere */ |
419 | ||
8ebc5c01 | 420 | /* clean up after study() */ |
421 | SvREFCNT_dec(lastscream); | |
422 | lastscream = Nullsv; | |
423 | Safefree(screamfirst); | |
424 | screamfirst = 0; | |
425 | Safefree(screamnext); | |
426 | screamnext = 0; | |
427 | ||
428 | /* startup and shutdown function lists */ | |
429 | SvREFCNT_dec(beginav); | |
430 | SvREFCNT_dec(endav); | |
77a005ab | 431 | SvREFCNT_dec(initav); |
5618dfe8 | 432 | beginav = Nullav; |
5618dfe8 | 433 | endav = Nullav; |
77a005ab | 434 | initav = Nullav; |
5618dfe8 | 435 | |
8ebc5c01 | 436 | /* temp stack during pp_sort() */ |
437 | SvREFCNT_dec(sortstack); | |
438 | sortstack = Nullav; | |
439 | ||
440 | /* shortcuts just get cleared */ | |
441 | envgv = Nullgv; | |
442 | siggv = Nullgv; | |
443 | incgv = Nullgv; | |
12f917ad | 444 | errgv = Nullgv; |
8ebc5c01 | 445 | argvgv = Nullgv; |
446 | argvoutgv = Nullgv; | |
447 | stdingv = Nullgv; | |
448 | last_in_gv = Nullgv; | |
449 | ||
450 | /* reset so print() ends up where we expect */ | |
451 | setdefout(Nullgv); | |
452 | ||
a0d0e21e | 453 | /* Prepare to destruct main symbol table. */ |
5f05dabc | 454 | |
a0d0e21e | 455 | hv = defstash; |
85e6fe83 | 456 | defstash = 0; |
a0d0e21e LW |
457 | SvREFCNT_dec(hv); |
458 | ||
459 | FREETMPS; | |
460 | if (destruct_level >= 2) { | |
461 | if (scopestack_ix != 0) | |
ff0cee69 | 462 | warn("Unbalanced scopes: %ld more ENTERs than LEAVEs\n", |
463 | (long)scopestack_ix); | |
a0d0e21e | 464 | if (savestack_ix != 0) |
ff0cee69 | 465 | warn("Unbalanced saves: %ld more saves than restores\n", |
466 | (long)savestack_ix); | |
a0d0e21e | 467 | if (tmps_floor != -1) |
ff0cee69 | 468 | warn("Unbalanced tmps: %ld more allocs than frees\n", |
469 | (long)tmps_floor + 1); | |
a0d0e21e | 470 | if (cxstack_ix != -1) |
ff0cee69 | 471 | warn("Unbalanced context: %ld more PUSHes than POPs\n", |
472 | (long)cxstack_ix + 1); | |
a0d0e21e | 473 | } |
8990e307 LW |
474 | |
475 | /* Now absolutely destruct everything, somehow or other, loops or no. */ | |
8990e307 | 476 | last_sv_count = 0; |
6e72f9df | 477 | SvFLAGS(strtab) |= SVTYPEMASK; /* don't clean out strtab now */ |
8990e307 LW |
478 | while (sv_count != 0 && sv_count != last_sv_count) { |
479 | last_sv_count = sv_count; | |
480 | sv_clean_all(); | |
481 | } | |
6e72f9df | 482 | SvFLAGS(strtab) &= ~SVTYPEMASK; |
483 | SvFLAGS(strtab) |= SVt_PVHV; | |
484 | ||
485 | /* Destruct the global string table. */ | |
486 | { | |
487 | /* Yell and reset the HeVAL() slots that are still holding refcounts, | |
488 | * so that sv_free() won't fail on them. | |
489 | */ | |
490 | I32 riter; | |
491 | I32 max; | |
492 | HE *hent; | |
493 | HE **array; | |
494 | ||
495 | riter = 0; | |
496 | max = HvMAX(strtab); | |
497 | array = HvARRAY(strtab); | |
498 | hent = array[0]; | |
499 | for (;;) { | |
500 | if (hent) { | |
501 | warn("Unbalanced string table refcount: (%d) for \"%s\"", | |
502 | HeVAL(hent) - Nullsv, HeKEY(hent)); | |
503 | HeVAL(hent) = Nullsv; | |
504 | hent = HeNEXT(hent); | |
505 | } | |
506 | if (!hent) { | |
507 | if (++riter > max) | |
508 | break; | |
509 | hent = array[riter]; | |
510 | } | |
511 | } | |
512 | } | |
513 | SvREFCNT_dec(strtab); | |
514 | ||
8990e307 | 515 | if (sv_count != 0) |
ff0cee69 | 516 | warn("Scalars leaked: %ld\n", (long)sv_count); |
6e72f9df | 517 | |
4633a7c4 | 518 | sv_free_arenas(); |
44a8e56a | 519 | |
520 | /* No SVs have survived, need to clean out */ | |
521 | linestr = NULL; | |
522 | pidstatus = Nullhv; | |
6e72f9df | 523 | if (origfilename) |
524 | Safefree(origfilename); | |
525 | nuke_stacks(); | |
fc36a67e | 526 | hints = 0; /* Reset hints. Should hints be per-interpreter ? */ |
a0d0e21e LW |
527 | |
528 | DEBUG_P(debprofdump()); | |
11343788 MB |
529 | #ifdef USE_THREADS |
530 | MUTEX_DESTROY(&sv_mutex); | |
11343788 | 531 | MUTEX_DESTROY(&eval_mutex); |
c116a00c | 532 | COND_DESTROY(&eval_cond); |
fc36a67e | 533 | |
8023c3ce MB |
534 | /* As the penultimate thing, free the non-arena SV for thrsv */ |
535 | Safefree(SvPVX(thrsv)); | |
536 | Safefree(SvANY(thrsv)); | |
537 | Safefree(thrsv); | |
538 | thrsv = Nullsv; | |
539 | #endif /* USE_THREADS */ | |
540 | ||
fc36a67e | 541 | /* As the absolutely last thing, free the non-arena SV for mess() */ |
542 | ||
543 | if (mess_sv) { | |
544 | /* we know that type >= SVt_PV */ | |
545 | SvOOK_off(mess_sv); | |
546 | Safefree(SvPVX(mess_sv)); | |
547 | Safefree(SvANY(mess_sv)); | |
548 | Safefree(mess_sv); | |
549 | mess_sv = Nullsv; | |
550 | } | |
79072805 LW |
551 | } |
552 | ||
553 | void | |
8ac85365 | 554 | perl_free(PerlInterpreter *sv_interp) |
79072805 LW |
555 | { |
556 | if (!(curinterp = sv_interp)) | |
557 | return; | |
558 | Safefree(sv_interp); | |
559 | } | |
560 | ||
561 | int | |
8ac85365 | 562 | perl_parse(PerlInterpreter *sv_interp, void (*xsinit) (void), int argc, char **argv, char **env) |
8d063cd8 | 563 | { |
11343788 | 564 | dTHR; |
79072805 | 565 | register SV *sv; |
8d063cd8 | 566 | register char *s; |
1a30305b | 567 | char *scriptname = NULL; |
a0d0e21e | 568 | VOL bool dosearch = FALSE; |
13281fa4 | 569 | char *validarg = ""; |
2ae324a7 | 570 | I32 oldscope; |
748a9306 | 571 | AV* comppadlist; |
54310121 | 572 | dJMPENV; |
22921e25 | 573 | int ret; |
8d063cd8 | 574 | |
a687059c LW |
575 | #ifdef SETUID_SCRIPTS_ARE_SECURE_NOW |
576 | #ifdef IAMSUID | |
577 | #undef IAMSUID | |
463ee0b2 | 578 | croak("suidperl is no longer needed since the kernel can now execute\n\ |
a687059c LW |
579 | setuid perl scripts securely.\n"); |
580 | #endif | |
581 | #endif | |
582 | ||
79072805 LW |
583 | if (!(curinterp = sv_interp)) |
584 | return 255; | |
585 | ||
6e72f9df | 586 | #if defined(NeXT) && defined(__DYNAMIC__) |
587 | _dyld_lookup_and_bind | |
588 | ("__environ", (unsigned long *) &environ_pointer, NULL); | |
589 | #endif /* environ */ | |
590 | ||
ac58e20f LW |
591 | origargv = argv; |
592 | origargc = argc; | |
a0d0e21e | 593 | #ifndef VMS /* VMS doesn't have environ array */ |
fe14fcc3 | 594 | origenviron = environ; |
a0d0e21e | 595 | #endif |
ab821d7f | 596 | e_tmpname = Nullch; |
a0d0e21e LW |
597 | |
598 | if (do_undump) { | |
599 | ||
600 | /* Come here if running an undumped a.out. */ | |
601 | ||
602 | origfilename = savepv(argv[0]); | |
603 | do_undump = FALSE; | |
604 | cxstack_ix = -1; /* start label stack again */ | |
748a9306 | 605 | init_ids(); |
a0d0e21e LW |
606 | init_postdump_symbols(argc,argv,env); |
607 | return 0; | |
608 | } | |
609 | ||
ff0cee69 | 610 | if (main_root) { |
611 | curpad = AvARRAY(comppad); | |
a0d0e21e | 612 | op_free(main_root); |
ff0cee69 | 613 | main_root = Nullop; |
614 | } | |
615 | main_start = Nullop; | |
616 | SvREFCNT_dec(main_cv); | |
617 | main_cv = Nullcv; | |
79072805 | 618 | |
f86702cc | 619 | time(&basetime); |
2ae324a7 | 620 | oldscope = scopestack_ix; |
f86702cc | 621 | |
22921e25 CS |
622 | JMPENV_PUSH(ret); |
623 | switch (ret) { | |
79072805 | 624 | case 1: |
f86702cc | 625 | STATUS_ALL_FAILURE; |
626 | /* FALL THROUGH */ | |
79072805 | 627 | case 2: |
f86702cc | 628 | /* my_exit() was called */ |
2ae324a7 | 629 | while (scopestack_ix > oldscope) |
630 | LEAVE; | |
84902520 | 631 | FREETMPS; |
8990e307 LW |
632 | curstash = defstash; |
633 | if (endav) | |
68dc0745 | 634 | call_list(oldscope, endav); |
54310121 | 635 | JMPENV_POP; |
f86702cc | 636 | return STATUS_NATIVE_EXPORT; |
79072805 | 637 | case 3: |
54310121 | 638 | JMPENV_POP; |
760ac839 | 639 | PerlIO_printf(PerlIO_stderr(), "panic: top_env\n"); |
8990e307 | 640 | return 1; |
79072805 LW |
641 | } |
642 | ||
79072805 LW |
643 | sv_setpvn(linestr,"",0); |
644 | sv = newSVpv("",0); /* first used for -I flags */ | |
8990e307 | 645 | SAVEFREESV(sv); |
79072805 | 646 | init_main_stash(); |
54310121 | 647 | |
33b78306 | 648 | for (argc--,argv++; argc > 0; argc--,argv++) { |
8d063cd8 LW |
649 | if (argv[0][0] != '-' || !argv[0][1]) |
650 | break; | |
13281fa4 LW |
651 | #ifdef DOSUID |
652 | if (*validarg) | |
653 | validarg = " PHOOEY "; | |
654 | else | |
655 | validarg = argv[0]; | |
656 | #endif | |
657 | s = argv[0]+1; | |
8d063cd8 | 658 | reswitch: |
13281fa4 | 659 | switch (*s) { |
27e2fb84 | 660 | case '0': |
2304df62 | 661 | case 'F': |
378cc40b | 662 | case 'a': |
33b78306 | 663 | case 'c': |
a687059c | 664 | case 'd': |
8d063cd8 | 665 | case 'D': |
4633a7c4 | 666 | case 'h': |
33b78306 | 667 | case 'i': |
fe14fcc3 | 668 | case 'l': |
1a30305b | 669 | case 'M': |
670 | case 'm': | |
33b78306 LW |
671 | case 'n': |
672 | case 'p': | |
79072805 | 673 | case 's': |
33b78306 LW |
674 | case 'u': |
675 | case 'U': | |
676 | case 'v': | |
677 | case 'w': | |
678 | if (s = moreswitches(s)) | |
679 | goto reswitch; | |
8d063cd8 | 680 | break; |
33b78306 | 681 | |
f86702cc | 682 | case 'T': |
683 | tainting = TRUE; | |
684 | s++; | |
685 | goto reswitch; | |
686 | ||
8d063cd8 | 687 | case 'e': |
a687059c | 688 | if (euid != uid || egid != gid) |
463ee0b2 | 689 | croak("No -e allowed in setuid scripts"); |
8d063cd8 | 690 | if (!e_fp) { |
a0d0e21e | 691 | e_tmpname = savepv(TMPPATH); |
3028581b | 692 | (void)PerlLIO_mktemp(e_tmpname); |
83025b21 | 693 | if (!*e_tmpname) |
463ee0b2 | 694 | croak("Can't mktemp()"); |
760ac839 | 695 | e_fp = PerlIO_open(e_tmpname,"w"); |
33b78306 | 696 | if (!e_fp) |
463ee0b2 | 697 | croak("Cannot open temporary file"); |
8d063cd8 | 698 | } |
552a7a9b | 699 | if (*++s) |
700 | PerlIO_puts(e_fp,s); | |
701 | else if (argv[1]) { | |
760ac839 | 702 | PerlIO_puts(e_fp,argv[1]); |
33b78306 LW |
703 | argc--,argv++; |
704 | } | |
552a7a9b | 705 | else |
706 | croak("No code specified for -e"); | |
760ac839 | 707 | (void)PerlIO_putc(e_fp,'\n'); |
8d063cd8 | 708 | break; |
fb73857a | 709 | case 'I': /* -I handled both here and in moreswitches() */ |
bbce6d69 | 710 | forbid_setid("-I"); |
fb73857a | 711 | if (!*++s && (s=argv[1]) != Nullch) { |
8d063cd8 | 712 | argc--,argv++; |
8d063cd8 | 713 | } |
fb73857a | 714 | while (s && isSPACE(*s)) |
715 | ++s; | |
716 | if (s && *s) { | |
717 | char *e, *p; | |
718 | for (e = s; *e && !isSPACE(*e); e++) ; | |
719 | p = savepvn(s, e-s); | |
720 | incpush(p, TRUE); | |
721 | sv_catpv(sv,"-I"); | |
722 | sv_catpv(sv,p); | |
723 | sv_catpv(sv," "); | |
724 | Safefree(p); | |
725 | } /* XXX else croak? */ | |
8d063cd8 | 726 | break; |
8d063cd8 | 727 | case 'P': |
bbce6d69 | 728 | forbid_setid("-P"); |
8d063cd8 | 729 | preprocess = TRUE; |
13281fa4 | 730 | s++; |
8d063cd8 | 731 | goto reswitch; |
378cc40b | 732 | case 'S': |
bbce6d69 | 733 | forbid_setid("-S"); |
378cc40b | 734 | dosearch = TRUE; |
13281fa4 | 735 | s++; |
378cc40b | 736 | goto reswitch; |
1a30305b | 737 | case 'V': |
738 | if (!preambleav) | |
739 | preambleav = newAV(); | |
740 | av_push(preambleav, newSVpv("use Config qw(myconfig config_vars)",0)); | |
741 | if (*++s != ':') { | |
6e72f9df | 742 | Sv = newSVpv("print myconfig();",0); |
743 | #ifdef VMS | |
744 | sv_catpv(Sv,"print \"\\nCharacteristics of this PERLSHR image: \\n\","); | |
745 | #else | |
746 | sv_catpv(Sv,"print \"\\nCharacteristics of this binary (from libperl): \\n\","); | |
747 | #endif | |
54310121 | 748 | #if defined(DEBUGGING) || defined(NO_EMBED) || defined(MULTIPLICITY) |
46fc3d4c | 749 | sv_catpv(Sv,"\" Compile-time options:"); |
6e72f9df | 750 | # ifdef DEBUGGING |
46fc3d4c | 751 | sv_catpv(Sv," DEBUGGING"); |
6e72f9df | 752 | # endif |
54310121 | 753 | # ifdef NO_EMBED |
46fc3d4c | 754 | sv_catpv(Sv," NO_EMBED"); |
6e72f9df | 755 | # endif |
756 | # ifdef MULTIPLICITY | |
46fc3d4c | 757 | sv_catpv(Sv," MULTIPLICITY"); |
6e72f9df | 758 | # endif |
46fc3d4c | 759 | sv_catpv(Sv,"\\n\","); |
6e72f9df | 760 | #endif |
761 | #if defined(LOCAL_PATCH_COUNT) | |
54310121 | 762 | if (LOCAL_PATCH_COUNT > 0) { |
763 | int i; | |
5cd24f17 | 764 | sv_catpv(Sv,"\" Locally applied patches:\\n\","); |
6e72f9df | 765 | for (i = 1; i <= LOCAL_PATCH_COUNT; i++) { |
46fc3d4c | 766 | if (localpatches[i]) |
767 | sv_catpvf(Sv,"\" \\t%s\\n\",",localpatches[i]); | |
6e72f9df | 768 | } |
769 | } | |
770 | #endif | |
46fc3d4c | 771 | sv_catpvf(Sv,"\" Built under %s\\n\"",OSNAME); |
6e72f9df | 772 | #ifdef __DATE__ |
773 | # ifdef __TIME__ | |
46fc3d4c | 774 | sv_catpvf(Sv,",\" Compiled at %s %s\\n\"",__DATE__,__TIME__); |
6e72f9df | 775 | # else |
46fc3d4c | 776 | sv_catpvf(Sv,",\" Compiled on %s\\n\"",__DATE__); |
6e72f9df | 777 | # endif |
6e72f9df | 778 | #endif |
54310121 | 779 | sv_catpv(Sv, "; \ |
780 | $\"=\"\\n \"; \ | |
781 | @env = map { \"$_=\\\"$ENV{$_}\\\"\" } sort grep {/^PERL/} keys %ENV; \ | |
782 | print \" \\%ENV:\\n @env\\n\" if @env; \ | |
783 | print \" \\@INC:\\n @INC\\n\";"); | |
1a30305b | 784 | } |
785 | else { | |
786 | Sv = newSVpv("config_vars(qw(",0); | |
787 | sv_catpv(Sv, ++s); | |
788 | sv_catpv(Sv, "))"); | |
789 | s += strlen(s); | |
790 | } | |
791 | av_push(preambleav, Sv); | |
c07a80fd | 792 | scriptname = BIT_BUCKET; /* don't look for script or read stdin */ |
1a30305b | 793 | goto reswitch; |
33b78306 LW |
794 | case 'x': |
795 | doextract = TRUE; | |
13281fa4 | 796 | s++; |
33b78306 | 797 | if (*s) |
a0d0e21e | 798 | cddir = savepv(s); |
33b78306 | 799 | break; |
8d063cd8 LW |
800 | case 0: |
801 | break; | |
fb73857a | 802 | case '-': |
803 | if (!*++s || isSPACE(*s)) { | |
804 | argc--,argv++; | |
805 | goto switch_end; | |
806 | } | |
807 | /* catch use of gnu style long options */ | |
808 | if (strEQ(s, "version")) { | |
809 | s = "v"; | |
810 | goto reswitch; | |
811 | } | |
812 | if (strEQ(s, "help")) { | |
813 | s = "h"; | |
814 | goto reswitch; | |
815 | } | |
816 | s--; | |
817 | /* FALL THROUGH */ | |
8d063cd8 | 818 | default: |
90248788 | 819 | croak("Unrecognized switch: -%s (-h will show valid options)",s); |
8d063cd8 LW |
820 | } |
821 | } | |
822 | switch_end: | |
54310121 | 823 | |
5fd9e9a4 | 824 | if (!tainting && (s = PerlEnv_getenv("PERL5OPT"))) { |
fb73857a | 825 | while (s && *s) { |
54310121 | 826 | while (isSPACE(*s)) |
827 | s++; | |
828 | if (*s == '-') { | |
829 | s++; | |
830 | if (isSPACE(*s)) | |
831 | continue; | |
832 | } | |
833 | if (!*s) | |
834 | break; | |
835 | if (!strchr("DIMUdmw", *s)) | |
836 | croak("Illegal switch in PERL5OPT: -%c", *s); | |
837 | s = moreswitches(s); | |
838 | } | |
839 | } | |
840 | ||
1a30305b | 841 | if (!scriptname) |
842 | scriptname = argv[0]; | |
8d063cd8 | 843 | if (e_fp) { |
68dc0745 | 844 | if (PerlIO_flush(e_fp) || PerlIO_error(e_fp) || PerlIO_close(e_fp)) { |
845 | #ifndef MULTIPLICITY | |
846 | warn("Did you forget to compile with -DMULTIPLICITY?"); | |
847 | #endif | |
2304df62 | 848 | croak("Can't write to temp file for -e: %s", Strerror(errno)); |
68dc0745 | 849 | } |
ab821d7f | 850 | e_fp = Nullfp; |
8d063cd8 | 851 | argc++,argv--; |
45d8adaa | 852 | scriptname = e_tmpname; |
8d063cd8 | 853 | } |
79072805 LW |
854 | else if (scriptname == Nullch) { |
855 | #ifdef MSDOS | |
3028581b | 856 | if ( PerlLIO_isatty(PerlIO_fileno(PerlIO_stdin())) ) |
55497cff | 857 | moreswitches("h"); |
fe14fcc3 | 858 | #endif |
79072805 LW |
859 | scriptname = "-"; |
860 | } | |
fe14fcc3 | 861 | |
79072805 | 862 | init_perllib(); |
8d063cd8 | 863 | |
79072805 | 864 | open_script(scriptname,dosearch,sv); |
8d063cd8 | 865 | |
96436eeb | 866 | validate_suid(validarg, scriptname); |
378cc40b | 867 | |
79072805 LW |
868 | if (doextract) |
869 | find_beginning(); | |
870 | ||
4fdae800 | 871 | main_cv = compcv = (CV*)NEWSV(1104,0); |
748a9306 | 872 | sv_upgrade((SV *)compcv, SVt_PVCV); |
07055b4c | 873 | CvUNIQUE_on(compcv); |
748a9306 | 874 | |
6e72f9df | 875 | comppad = newAV(); |
79072805 LW |
876 | av_push(comppad, Nullsv); |
877 | curpad = AvARRAY(comppad); | |
6e72f9df | 878 | comppad_name = newAV(); |
8990e307 | 879 | comppad_name_fill = 0; |
e858de61 MB |
880 | min_intro_pending = 0; |
881 | padix = 0; | |
11343788 MB |
882 | #ifdef USE_THREADS |
883 | av_store(comppad_name, 0, newSVpv("@_", 2)); | |
e858de61 | 884 | curpad[0] = (SV*)newAV(); |
6d4ff0d2 | 885 | SvPADMY_on(curpad[0]); /* XXX Needed? */ |
e858de61 | 886 | CvOWNER(compcv) = 0; |
12ca11f6 | 887 | New(666, CvMUTEXP(compcv), 1, perl_mutex); |
e858de61 | 888 | MUTEX_INIT(CvMUTEXP(compcv)); |
11343788 | 889 | #endif /* USE_THREADS */ |
79072805 | 890 | |
748a9306 LW |
891 | comppadlist = newAV(); |
892 | AvREAL_off(comppadlist); | |
8e07c86e AD |
893 | av_store(comppadlist, 0, (SV*)comppad_name); |
894 | av_store(comppadlist, 1, (SV*)comppad); | |
748a9306 LW |
895 | CvPADLIST(compcv) = comppadlist; |
896 | ||
6e72f9df | 897 | boot_core_UNIVERSAL(); |
a0d0e21e LW |
898 | if (xsinit) |
899 | (*xsinit)(); /* in case linked C routines want magical variables */ | |
39e571d4 | 900 | #if defined(VMS) || defined(WIN32) || defined(DJGPP) |
748a9306 LW |
901 | init_os_extras(); |
902 | #endif | |
93a17b20 | 903 | |
77a005ab | 904 | #if defined(DEBUGGING) && defined(USE_THREADS) && defined(__linux__) |
3028581b | 905 | DEBUG_L(PerlProc_signal(SIGSEGV, (void(*)(int))catch_sigsegv);); |
77a005ab MB |
906 | #endif |
907 | ||
93a17b20 | 908 | init_predump_symbols(); |
8990e307 LW |
909 | if (!do_undump) |
910 | init_postdump_symbols(argc,argv,env); | |
93a17b20 | 911 | |
79072805 LW |
912 | init_lexer(); |
913 | ||
914 | /* now parse the script */ | |
915 | ||
61bb5906 | 916 | SETERRNO(0,SS$_NORMAL); |
79072805 LW |
917 | error_count = 0; |
918 | if (yyparse() || error_count) { | |
919 | if (minus_c) | |
463ee0b2 | 920 | croak("%s had compilation errors.\n", origfilename); |
79072805 | 921 | else { |
463ee0b2 | 922 | croak("Execution of %s aborted due to compilation errors.\n", |
79072805 | 923 | origfilename); |
378cc40b | 924 | } |
79072805 LW |
925 | } |
926 | curcop->cop_line = 0; | |
927 | curstash = defstash; | |
928 | preprocess = FALSE; | |
ab821d7f | 929 | if (e_tmpname) { |
79072805 | 930 | (void)UNLINK(e_tmpname); |
ab821d7f | 931 | Safefree(e_tmpname); |
932 | e_tmpname = Nullch; | |
378cc40b | 933 | } |
a687059c | 934 | |
93a17b20 | 935 | /* now that script is parsed, we can modify record separator */ |
c07a80fd | 936 | SvREFCNT_dec(rs); |
937 | rs = SvREFCNT_inc(nrs); | |
e1c148c2 | 938 | sv_setsv(perl_get_sv("/", TRUE), rs); |
79072805 LW |
939 | if (do_undump) |
940 | my_unexec(); | |
941 | ||
8990e307 LW |
942 | if (dowarn) |
943 | gv_check(defstash); | |
944 | ||
a0d0e21e LW |
945 | LEAVE; |
946 | FREETMPS; | |
c07a80fd | 947 | |
3562ef9b | 948 | #ifdef MYMALLOC |
5fd9e9a4 | 949 | if ((s=PerlEnv_getenv("PERL_DEBUG_MSTATS")) && atoi(s) >= 2) |
c07a80fd | 950 | dump_mstats("after compilation:"); |
951 | #endif | |
952 | ||
a0d0e21e LW |
953 | ENTER; |
954 | restartop = 0; | |
54310121 | 955 | JMPENV_POP; |
79072805 LW |
956 | return 0; |
957 | } | |
958 | ||
959 | int | |
8ac85365 | 960 | perl_run(PerlInterpreter *sv_interp) |
79072805 | 961 | { |
11343788 | 962 | dTHR; |
2ae324a7 | 963 | I32 oldscope; |
22921e25 CS |
964 | dJMPENV; |
965 | int ret; | |
2ae324a7 | 966 | |
79072805 LW |
967 | if (!(curinterp = sv_interp)) |
968 | return 255; | |
2ae324a7 | 969 | |
970 | oldscope = scopestack_ix; | |
971 | ||
22921e25 CS |
972 | JMPENV_PUSH(ret); |
973 | switch (ret) { | |
79072805 LW |
974 | case 1: |
975 | cxstack_ix = -1; /* start context stack again */ | |
976 | break; | |
977 | case 2: | |
f86702cc | 978 | /* my_exit() was called */ |
2ae324a7 | 979 | while (scopestack_ix > oldscope) |
980 | LEAVE; | |
84902520 | 981 | FREETMPS; |
79072805 | 982 | curstash = defstash; |
93a17b20 | 983 | if (endav) |
68dc0745 | 984 | call_list(oldscope, endav); |
3562ef9b | 985 | #ifdef MYMALLOC |
5fd9e9a4 | 986 | if (PerlEnv_getenv("PERL_DEBUG_MSTATS")) |
c07a80fd | 987 | dump_mstats("after execution: "); |
988 | #endif | |
54310121 | 989 | JMPENV_POP; |
f86702cc | 990 | return STATUS_NATIVE_EXPORT; |
79072805 LW |
991 | case 3: |
992 | if (!restartop) { | |
760ac839 | 993 | PerlIO_printf(PerlIO_stderr(), "panic: restartop\n"); |
a0d0e21e | 994 | FREETMPS; |
54310121 | 995 | JMPENV_POP; |
8990e307 | 996 | return 1; |
83025b21 | 997 | } |
6e72f9df | 998 | if (curstack != mainstack) { |
79072805 | 999 | dSP; |
6e72f9df | 1000 | SWITCHSTACK(curstack, mainstack); |
79072805 LW |
1001 | } |
1002 | break; | |
8d063cd8 | 1003 | } |
79072805 | 1004 | |
fb73857a | 1005 | DEBUG_r(PerlIO_printf(Perl_debug_log, "%s $` $& $' support.\n", |
6e72f9df | 1006 | sawampersand ? "Enabling" : "Omitting")); |
1007 | ||
79072805 LW |
1008 | if (!restartop) { |
1009 | DEBUG_x(dump_all()); | |
760ac839 | 1010 | DEBUG(PerlIO_printf(Perl_debug_log, "\nEXECUTING...\n\n")); |
11343788 | 1011 | #ifdef USE_THREADS |
5dc0d613 MB |
1012 | DEBUG_L(PerlIO_printf(Perl_debug_log, "main thread is 0x%lx\n", |
1013 | (unsigned long) thr)); | |
11343788 | 1014 | #endif /* USE_THREADS */ |
79072805 LW |
1015 | |
1016 | if (minus_c) { | |
760ac839 | 1017 | PerlIO_printf(PerlIO_stderr(), "%s syntax OK\n", origfilename); |
79072805 LW |
1018 | my_exit(0); |
1019 | } | |
84902520 | 1020 | if (PERLDB_SINGLE && DBsingle) |
a0d0e21e | 1021 | sv_setiv(DBsingle, 1); |
7d07dbc2 MB |
1022 | if (initav) |
1023 | call_list(oldscope, initav); | |
45d8adaa | 1024 | } |
79072805 LW |
1025 | |
1026 | /* do it */ | |
1027 | ||
1028 | if (restartop) { | |
1029 | op = restartop; | |
1030 | restartop = 0; | |
ab821d7f | 1031 | runops(); |
79072805 LW |
1032 | } |
1033 | else if (main_start) { | |
4fdae800 | 1034 | CvDEPTH(main_cv) = 1; |
79072805 | 1035 | op = main_start; |
ab821d7f | 1036 | runops(); |
79072805 | 1037 | } |
79072805 LW |
1038 | |
1039 | my_exit(0); | |
54310121 | 1040 | /* NOTREACHED */ |
a0d0e21e | 1041 | return 0; |
79072805 LW |
1042 | } |
1043 | ||
a0d0e21e | 1044 | SV* |
8ac85365 | 1045 | perl_get_sv(char *name, I32 create) |
a0d0e21e | 1046 | { |
2faa37cc | 1047 | GV *gv; |
38a03e6e | 1048 | #ifdef USE_THREADS |
2faa37cc | 1049 | if (name[1] == '\0' && !isALPHA(name[0])) { |
54b9620d | 1050 | PADOFFSET tmp = find_threadsv(name); |
2faa37cc MB |
1051 | if (tmp != NOT_IN_PAD) { |
1052 | dTHR; | |
940cb80d | 1053 | return THREADSV(tmp); |
2faa37cc | 1054 | } |
38a03e6e MB |
1055 | } |
1056 | #endif /* USE_THREADS */ | |
2faa37cc | 1057 | gv = gv_fetchpv(name, create, SVt_PV); |
a0d0e21e LW |
1058 | if (gv) |
1059 | return GvSV(gv); | |
1060 | return Nullsv; | |
1061 | } | |
1062 | ||
1063 | AV* | |
8ac85365 | 1064 | perl_get_av(char *name, I32 create) |
a0d0e21e LW |
1065 | { |
1066 | GV* gv = gv_fetchpv(name, create, SVt_PVAV); | |
1067 | if (create) | |
1068 | return GvAVn(gv); | |
1069 | if (gv) | |
1070 | return GvAV(gv); | |
1071 | return Nullav; | |
1072 | } | |
1073 | ||
1074 | HV* | |
8ac85365 | 1075 | perl_get_hv(char *name, I32 create) |
a0d0e21e LW |
1076 | { |
1077 | GV* gv = gv_fetchpv(name, create, SVt_PVHV); | |
1078 | if (create) | |
1079 | return GvHVn(gv); | |
1080 | if (gv) | |
1081 | return GvHV(gv); | |
1082 | return Nullhv; | |
1083 | } | |
1084 | ||
1085 | CV* | |
8ac85365 | 1086 | perl_get_cv(char *name, I32 create) |
a0d0e21e LW |
1087 | { |
1088 | GV* gv = gv_fetchpv(name, create, SVt_PVCV); | |
8ebc5c01 | 1089 | if (create && !GvCVu(gv)) |
774d564b | 1090 | return newSUB(start_subparse(FALSE, 0), |
a0d0e21e | 1091 | newSVOP(OP_CONST, 0, newSVpv(name,0)), |
4633a7c4 | 1092 | Nullop, |
a0d0e21e LW |
1093 | Nullop); |
1094 | if (gv) | |
8ebc5c01 | 1095 | return GvCVu(gv); |
a0d0e21e LW |
1096 | return Nullcv; |
1097 | } | |
1098 | ||
79072805 LW |
1099 | /* Be sure to refetch the stack pointer after calling these routines. */ |
1100 | ||
a0d0e21e | 1101 | I32 |
22239a37 | 1102 | perl_call_argv(char *sub_name, I32 flags, register char **argv) |
8ac85365 NIS |
1103 | |
1104 | /* See G_* flags in cop.h */ | |
1105 | /* null terminated arg list */ | |
8990e307 | 1106 | { |
a0d0e21e | 1107 | dSP; |
8990e307 | 1108 | |
a0d0e21e LW |
1109 | PUSHMARK(sp); |
1110 | if (argv) { | |
8990e307 | 1111 | while (*argv) { |
a0d0e21e | 1112 | XPUSHs(sv_2mortal(newSVpv(*argv,0))); |
8990e307 LW |
1113 | argv++; |
1114 | } | |
a0d0e21e | 1115 | PUTBACK; |
8990e307 | 1116 | } |
22239a37 | 1117 | return perl_call_pv(sub_name, flags); |
8990e307 LW |
1118 | } |
1119 | ||
a0d0e21e | 1120 | I32 |
22239a37 | 1121 | perl_call_pv(char *sub_name, I32 flags) |
8ac85365 NIS |
1122 | /* name of the subroutine */ |
1123 | /* See G_* flags in cop.h */ | |
a0d0e21e | 1124 | { |
22239a37 | 1125 | return perl_call_sv((SV*)perl_get_cv(sub_name, TRUE), flags); |
a0d0e21e LW |
1126 | } |
1127 | ||
1128 | I32 | |
8ac85365 NIS |
1129 | perl_call_method(char *methname, I32 flags) |
1130 | /* name of the subroutine */ | |
1131 | /* See G_* flags in cop.h */ | |
a0d0e21e LW |
1132 | { |
1133 | dSP; | |
1134 | OP myop; | |
1135 | if (!op) | |
1136 | op = &myop; | |
1137 | XPUSHs(sv_2mortal(newSVpv(methname,0))); | |
1138 | PUTBACK; | |
11343788 | 1139 | pp_method(ARGS); |
a0d0e21e LW |
1140 | return perl_call_sv(*stack_sp--, flags); |
1141 | } | |
1142 | ||
1143 | /* May be called with any of a CV, a GV, or an SV containing the name. */ | |
1144 | I32 | |
8ac85365 NIS |
1145 | perl_call_sv(SV *sv, I32 flags) |
1146 | ||
1147 | /* See G_* flags in cop.h */ | |
a0d0e21e | 1148 | { |
11343788 | 1149 | dTHR; |
a0d0e21e LW |
1150 | LOGOP myop; /* fake syntax tree node */ |
1151 | SV** sp = stack_sp; | |
aa689395 | 1152 | I32 oldmark; |
a0d0e21e | 1153 | I32 retval; |
a0d0e21e | 1154 | I32 oldscope; |
6e72f9df | 1155 | static CV *DBcv; |
54310121 | 1156 | bool oldcatch = CATCH_GET; |
1157 | dJMPENV; | |
22921e25 | 1158 | int ret; |
d6602a8c | 1159 | OP* oldop = op; |
1e422769 | 1160 | |
a0d0e21e LW |
1161 | if (flags & G_DISCARD) { |
1162 | ENTER; | |
1163 | SAVETMPS; | |
1164 | } | |
1165 | ||
aa689395 | 1166 | Zero(&myop, 1, LOGOP); |
54310121 | 1167 | myop.op_next = Nullop; |
f51d4af5 | 1168 | if (!(flags & G_NOARGS)) |
aa689395 | 1169 | myop.op_flags |= OPf_STACKED; |
54310121 | 1170 | myop.op_flags |= ((flags & G_VOID) ? OPf_WANT_VOID : |
1171 | (flags & G_ARRAY) ? OPf_WANT_LIST : | |
1172 | OPf_WANT_SCALAR); | |
462e5cf6 | 1173 | SAVEOP(); |
a0d0e21e | 1174 | op = (OP*)&myop; |
aa689395 | 1175 | |
a0d0e21e LW |
1176 | EXTEND(stack_sp, 1); |
1177 | *++stack_sp = sv; | |
aa689395 | 1178 | oldmark = TOPMARK; |
a0d0e21e LW |
1179 | oldscope = scopestack_ix; |
1180 | ||
84902520 | 1181 | if (PERLDB_SUB && curstash != debstash |
36477c24 | 1182 | /* Handle first BEGIN of -d. */ |
1183 | && (DBcv || (DBcv = GvCV(DBsub))) | |
1184 | /* Try harder, since this may have been a sighandler, thus | |
1185 | * curstash may be meaningless. */ | |
1186 | && (SvTYPE(sv) != SVt_PVCV || CvSTASH((CV*)sv) != debstash)) | |
6e72f9df | 1187 | op->op_private |= OPpENTERSUB_DB; |
a0d0e21e LW |
1188 | |
1189 | if (flags & G_EVAL) { | |
a0d0e21e LW |
1190 | cLOGOP->op_other = op; |
1191 | markstack_ptr--; | |
4633a7c4 LW |
1192 | /* we're trying to emulate pp_entertry() here */ |
1193 | { | |
c09156bb | 1194 | register PERL_CONTEXT *cx; |
54310121 | 1195 | I32 gimme = GIMME_V; |
4633a7c4 LW |
1196 | |
1197 | ENTER; | |
1198 | SAVETMPS; | |
1199 | ||
1200 | push_return(op->op_next); | |
1201 | PUSHBLOCK(cx, CXt_EVAL, stack_sp); | |
1202 | PUSHEVAL(cx, 0, 0); | |
1203 | eval_root = op; /* Only needed so that goto works right. */ | |
1204 | ||
1205 | in_eval = 1; | |
1206 | if (flags & G_KEEPERR) | |
1207 | in_eval |= 4; | |
1208 | else | |
38a03e6e | 1209 | sv_setpv(ERRSV,""); |
4633a7c4 | 1210 | } |
a0d0e21e LW |
1211 | markstack_ptr++; |
1212 | ||
22921e25 CS |
1213 | JMPENV_PUSH(ret); |
1214 | switch (ret) { | |
a0d0e21e LW |
1215 | case 0: |
1216 | break; | |
1217 | case 1: | |
f86702cc | 1218 | STATUS_ALL_FAILURE; |
a0d0e21e LW |
1219 | /* FALL THROUGH */ |
1220 | case 2: | |
1221 | /* my_exit() was called */ | |
1222 | curstash = defstash; | |
1223 | FREETMPS; | |
54310121 | 1224 | JMPENV_POP; |
a0d0e21e LW |
1225 | if (statusvalue) |
1226 | croak("Callback called exit"); | |
f86702cc | 1227 | my_exit_jump(); |
a0d0e21e LW |
1228 | /* NOTREACHED */ |
1229 | case 3: | |
1230 | if (restartop) { | |
1231 | op = restartop; | |
1232 | restartop = 0; | |
54310121 | 1233 | break; |
a0d0e21e LW |
1234 | } |
1235 | stack_sp = stack_base + oldmark; | |
1236 | if (flags & G_ARRAY) | |
1237 | retval = 0; | |
1238 | else { | |
1239 | retval = 1; | |
1240 | *++stack_sp = &sv_undef; | |
1241 | } | |
1242 | goto cleanup; | |
1243 | } | |
1244 | } | |
1e422769 | 1245 | else |
54310121 | 1246 | CATCH_SET(TRUE); |
a0d0e21e LW |
1247 | |
1248 | if (op == (OP*)&myop) | |
11343788 | 1249 | op = pp_entersub(ARGS); |
a0d0e21e | 1250 | if (op) |
ab821d7f | 1251 | runops(); |
a0d0e21e | 1252 | retval = stack_sp - (stack_base + oldmark); |
4633a7c4 | 1253 | if ((flags & G_EVAL) && !(flags & G_KEEPERR)) |
38a03e6e | 1254 | sv_setpv(ERRSV,""); |
a0d0e21e LW |
1255 | |
1256 | cleanup: | |
1257 | if (flags & G_EVAL) { | |
1258 | if (scopestack_ix > oldscope) { | |
a0a2876f LW |
1259 | SV **newsp; |
1260 | PMOP *newpm; | |
1261 | I32 gimme; | |
c09156bb | 1262 | register PERL_CONTEXT *cx; |
a0a2876f LW |
1263 | I32 optype; |
1264 | ||
1265 | POPBLOCK(cx,newpm); | |
1266 | POPEVAL(cx); | |
1267 | pop_return(); | |
1268 | curpm = newpm; | |
1269 | LEAVE; | |
a0d0e21e | 1270 | } |
54310121 | 1271 | JMPENV_POP; |
a0d0e21e | 1272 | } |
1e422769 | 1273 | else |
54310121 | 1274 | CATCH_SET(oldcatch); |
1e422769 | 1275 | |
a0d0e21e LW |
1276 | if (flags & G_DISCARD) { |
1277 | stack_sp = stack_base + oldmark; | |
1278 | retval = 0; | |
1279 | FREETMPS; | |
1280 | LEAVE; | |
1281 | } | |
d6602a8c | 1282 | op = oldop; |
a0d0e21e LW |
1283 | return retval; |
1284 | } | |
1285 | ||
6e72f9df | 1286 | /* Eval a string. The G_EVAL flag is always assumed. */ |
8990e307 | 1287 | |
a0d0e21e | 1288 | I32 |
8ac85365 NIS |
1289 | perl_eval_sv(SV *sv, I32 flags) |
1290 | ||
1291 | /* See G_* flags in cop.h */ | |
a0d0e21e | 1292 | { |
11343788 | 1293 | dTHR; |
a0d0e21e | 1294 | UNOP myop; /* fake syntax tree node */ |
4633a7c4 LW |
1295 | SV** sp = stack_sp; |
1296 | I32 oldmark = sp - stack_base; | |
1297 | I32 retval; | |
4633a7c4 | 1298 | I32 oldscope; |
54310121 | 1299 | dJMPENV; |
22921e25 | 1300 | int ret; |
84902520 TB |
1301 | OP* oldop = op; |
1302 | ||
4633a7c4 LW |
1303 | if (flags & G_DISCARD) { |
1304 | ENTER; | |
1305 | SAVETMPS; | |
1306 | } | |
1307 | ||
462e5cf6 | 1308 | SAVEOP(); |
79072805 | 1309 | op = (OP*)&myop; |
a0d0e21e | 1310 | Zero(op, 1, UNOP); |
4633a7c4 LW |
1311 | EXTEND(stack_sp, 1); |
1312 | *++stack_sp = sv; | |
1313 | oldscope = scopestack_ix; | |
79072805 | 1314 | |
4633a7c4 LW |
1315 | if (!(flags & G_NOARGS)) |
1316 | myop.op_flags = OPf_STACKED; | |
79072805 | 1317 | myop.op_next = Nullop; |
6e72f9df | 1318 | myop.op_type = OP_ENTEREVAL; |
54310121 | 1319 | myop.op_flags |= ((flags & G_VOID) ? OPf_WANT_VOID : |
1320 | (flags & G_ARRAY) ? OPf_WANT_LIST : | |
1321 | OPf_WANT_SCALAR); | |
6e72f9df | 1322 | if (flags & G_KEEPERR) |
1323 | myop.op_flags |= OPf_SPECIAL; | |
4633a7c4 | 1324 | |
22921e25 CS |
1325 | JMPENV_PUSH(ret); |
1326 | switch (ret) { | |
4633a7c4 LW |
1327 | case 0: |
1328 | break; | |
1329 | case 1: | |
f86702cc | 1330 | STATUS_ALL_FAILURE; |
4633a7c4 LW |
1331 | /* FALL THROUGH */ |
1332 | case 2: | |
1333 | /* my_exit() was called */ | |
1334 | curstash = defstash; | |
1335 | FREETMPS; | |
54310121 | 1336 | JMPENV_POP; |
4633a7c4 LW |
1337 | if (statusvalue) |
1338 | croak("Callback called exit"); | |
f86702cc | 1339 | my_exit_jump(); |
4633a7c4 LW |
1340 | /* NOTREACHED */ |
1341 | case 3: | |
1342 | if (restartop) { | |
1343 | op = restartop; | |
1344 | restartop = 0; | |
54310121 | 1345 | break; |
4633a7c4 LW |
1346 | } |
1347 | stack_sp = stack_base + oldmark; | |
1348 | if (flags & G_ARRAY) | |
1349 | retval = 0; | |
1350 | else { | |
1351 | retval = 1; | |
1352 | *++stack_sp = &sv_undef; | |
1353 | } | |
1354 | goto cleanup; | |
1355 | } | |
1356 | ||
1357 | if (op == (OP*)&myop) | |
11343788 | 1358 | op = pp_entereval(ARGS); |
4633a7c4 | 1359 | if (op) |
ab821d7f | 1360 | runops(); |
4633a7c4 | 1361 | retval = stack_sp - (stack_base + oldmark); |
6e72f9df | 1362 | if (!(flags & G_KEEPERR)) |
38a03e6e | 1363 | sv_setpv(ERRSV,""); |
4633a7c4 LW |
1364 | |
1365 | cleanup: | |
54310121 | 1366 | JMPENV_POP; |
4633a7c4 LW |
1367 | if (flags & G_DISCARD) { |
1368 | stack_sp = stack_base + oldmark; | |
1369 | retval = 0; | |
1370 | FREETMPS; | |
1371 | LEAVE; | |
1372 | } | |
84902520 | 1373 | op = oldop; |
4633a7c4 LW |
1374 | return retval; |
1375 | } | |
1376 | ||
137443ea | 1377 | SV* |
8ac85365 | 1378 | perl_eval_pv(char *p, I32 croak_on_error) |
137443ea | 1379 | { |
1380 | dSP; | |
1381 | SV* sv = newSVpv(p, 0); | |
1382 | ||
1383 | PUSHMARK(sp); | |
1384 | perl_eval_sv(sv, G_SCALAR); | |
1385 | SvREFCNT_dec(sv); | |
1386 | ||
1387 | SPAGAIN; | |
1388 | sv = POPs; | |
1389 | PUTBACK; | |
1390 | ||
38a03e6e MB |
1391 | if (croak_on_error && SvTRUE(ERRSV)) |
1392 | croak(SvPVx(ERRSV, na)); | |
137443ea | 1393 | |
1394 | return sv; | |
1395 | } | |
1396 | ||
4633a7c4 LW |
1397 | /* Require a module. */ |
1398 | ||
1399 | void | |
8ac85365 | 1400 | perl_require_pv(char *pv) |
4633a7c4 LW |
1401 | { |
1402 | SV* sv = sv_newmortal(); | |
1403 | sv_setpv(sv, "require '"); | |
1404 | sv_catpv(sv, pv); | |
1405 | sv_catpv(sv, "'"); | |
1406 | perl_eval_sv(sv, G_DISCARD); | |
79072805 LW |
1407 | } |
1408 | ||
79072805 | 1409 | void |
8ac85365 | 1410 | magicname(char *sym, char *name, I32 namlen) |
79072805 LW |
1411 | { |
1412 | register GV *gv; | |
1413 | ||
85e6fe83 | 1414 | if (gv = gv_fetchpv(sym,TRUE, SVt_PV)) |
79072805 LW |
1415 | sv_magic(GvSV(gv), (SV*)gv, 0, name, namlen); |
1416 | } | |
1417 | ||
ab821d7f | 1418 | static void |
8ac85365 NIS |
1419 | usage(char *name) /* XXX move this out into a module ? */ |
1420 | ||
4633a7c4 | 1421 | { |
ab821d7f | 1422 | /* This message really ought to be max 23 lines. |
1423 | * Removed -h because the user already knows that opton. Others? */ | |
fb73857a | 1424 | |
1425 | static char *usage[] = { | |
1426 | "-0[octal] specify record separator (\\0, if no argument)", | |
1427 | "-a autosplit mode with -n or -p (splits $_ into @F)", | |
1428 | "-c check syntax only (runs BEGIN and END blocks)", | |
1429 | "-d[:debugger] run scripts under debugger", | |
1430 | "-D[number/list] set debugging flags (argument is a bit mask or flags)", | |
1431 | "-e 'command' one line of script. Several -e's allowed. Omit [programfile].", | |
1432 | "-F/pattern/ split() pattern for autosplit (-a). The //'s are optional.", | |
1433 | "-i[extension] edit <> files in place (make backup if extension supplied)", | |
1434 | "-Idirectory specify @INC/#include directory (may be used more than once)", | |
1435 | "-l[octal] enable line ending processing, specifies line terminator", | |
1436 | "-[mM][-]module.. executes `use/no module...' before executing your script.", | |
1437 | "-n assume 'while (<>) { ... }' loop around your script", | |
1438 | "-p assume loop like -n but print line also like sed", | |
1439 | "-P run script through C preprocessor before compilation", | |
1440 | "-s enable some switch parsing for switches after script name", | |
1441 | "-S look for the script using PATH environment variable", | |
1442 | "-T turn on tainting checks", | |
1443 | "-u dump core after parsing script", | |
1444 | "-U allow unsafe operations", | |
1445 | "-v print version number and patchlevel of perl", | |
1446 | "-V[:variable] print perl configuration information", | |
1447 | "-w TURN WARNINGS ON FOR COMPILATION OF YOUR SCRIPT. Recommended.", | |
1448 | "-x[directory] strip off text before #!perl line and perhaps cd to directory", | |
1449 | "\n", | |
1450 | NULL | |
1451 | }; | |
1452 | char **p = usage; | |
1453 | ||
ab821d7f | 1454 | printf("\nUsage: %s [switches] [--] [programfile] [arguments]", name); |
fb73857a | 1455 | while (*p) |
1456 | printf("\n %s", *p++); | |
4633a7c4 LW |
1457 | } |
1458 | ||
79072805 LW |
1459 | /* This routine handles any switches that can be given during run */ |
1460 | ||
1461 | char * | |
8ac85365 | 1462 | moreswitches(char *s) |
79072805 LW |
1463 | { |
1464 | I32 numlen; | |
c07a80fd | 1465 | U32 rschar; |
79072805 LW |
1466 | |
1467 | switch (*s) { | |
1468 | case '0': | |
a863c7d1 MB |
1469 | { |
1470 | dTHR; | |
c07a80fd | 1471 | rschar = scan_oct(s, 4, &numlen); |
1472 | SvREFCNT_dec(nrs); | |
1473 | if (rschar & ~((U8)~0)) | |
1474 | nrs = &sv_undef; | |
1475 | else if (!rschar && numlen >= 2) | |
1476 | nrs = newSVpv("", 0); | |
1477 | else { | |
1478 | char ch = rschar; | |
1479 | nrs = newSVpv(&ch, 1); | |
79072805 LW |
1480 | } |
1481 | return s + numlen; | |
a863c7d1 | 1482 | } |
2304df62 AD |
1483 | case 'F': |
1484 | minus_F = TRUE; | |
a0d0e21e | 1485 | splitstr = savepv(s + 1); |
2304df62 AD |
1486 | s += strlen(s); |
1487 | return s; | |
79072805 LW |
1488 | case 'a': |
1489 | minus_a = TRUE; | |
1490 | s++; | |
1491 | return s; | |
1492 | case 'c': | |
1493 | minus_c = TRUE; | |
1494 | s++; | |
1495 | return s; | |
1496 | case 'd': | |
bbce6d69 | 1497 | forbid_setid("-d"); |
4633a7c4 | 1498 | s++; |
c07a80fd | 1499 | if (*s == ':' || *s == '=') { |
46fc3d4c | 1500 | my_setenv("PERL5DB", form("use Devel::%s;", ++s)); |
4633a7c4 | 1501 | s += strlen(s); |
4633a7c4 | 1502 | } |
a0d0e21e | 1503 | if (!perldb) { |
84902520 | 1504 | perldb = PERLDB_ALL; |
a0d0e21e LW |
1505 | init_debugger(); |
1506 | } | |
79072805 LW |
1507 | return s; |
1508 | case 'D': | |
1509 | #ifdef DEBUGGING | |
bbce6d69 | 1510 | forbid_setid("-D"); |
79072805 | 1511 | if (isALPHA(s[1])) { |
8990e307 | 1512 | static char debopts[] = "psltocPmfrxuLHXD"; |
79072805 LW |
1513 | char *d; |
1514 | ||
93a17b20 | 1515 | for (s++; *s && (d = strchr(debopts,*s)); s++) |
79072805 LW |
1516 | debug |= 1 << (d - debopts); |
1517 | } | |
1518 | else { | |
1519 | debug = atoi(s+1); | |
1520 | for (s++; isDIGIT(*s); s++) ; | |
1521 | } | |
8990e307 | 1522 | debug |= 0x80000000; |
79072805 LW |
1523 | #else |
1524 | warn("Recompile perl with -DDEBUGGING to use -D switch\n"); | |
a0d0e21e | 1525 | for (s++; isALNUM(*s); s++) ; |
79072805 LW |
1526 | #endif |
1527 | /*SUPPRESS 530*/ | |
1528 | return s; | |
4633a7c4 LW |
1529 | case 'h': |
1530 | usage(origargv[0]); | |
3028581b | 1531 | PerlProc_exit(0); |
79072805 LW |
1532 | case 'i': |
1533 | if (inplace) | |
1534 | Safefree(inplace); | |
a0d0e21e | 1535 | inplace = savepv(s+1); |
79072805 LW |
1536 | /*SUPPRESS 530*/ |
1537 | for (s = inplace; *s && !isSPACE(*s); s++) ; | |
fb73857a | 1538 | if (*s) |
1539 | *s++ = '\0'; | |
1540 | return s; | |
1541 | case 'I': /* -I handled both here and in parse_perl() */ | |
bbce6d69 | 1542 | forbid_setid("-I"); |
fb73857a | 1543 | ++s; |
1544 | while (*s && isSPACE(*s)) | |
1545 | ++s; | |
1546 | if (*s) { | |
774d564b | 1547 | char *e, *p; |
748a9306 | 1548 | for (e = s; *e && !isSPACE(*e); e++) ; |
774d564b | 1549 | p = savepvn(s, e-s); |
1550 | incpush(p, TRUE); | |
1551 | Safefree(p); | |
fb73857a | 1552 | s = e; |
79072805 LW |
1553 | } |
1554 | else | |
463ee0b2 | 1555 | croak("No space allowed after -I"); |
fb73857a | 1556 | return s; |
79072805 LW |
1557 | case 'l': |
1558 | minus_l = TRUE; | |
1559 | s++; | |
a0d0e21e LW |
1560 | if (ors) |
1561 | Safefree(ors); | |
79072805 | 1562 | if (isDIGIT(*s)) { |
a0d0e21e | 1563 | ors = savepv("\n"); |
79072805 LW |
1564 | orslen = 1; |
1565 | *ors = scan_oct(s, 3 + (*s == '0'), &numlen); | |
1566 | s += numlen; | |
1567 | } | |
1568 | else { | |
a863c7d1 | 1569 | dTHR; |
c07a80fd | 1570 | if (RsPARA(nrs)) { |
6e72f9df | 1571 | ors = "\n\n"; |
c07a80fd | 1572 | orslen = 2; |
1573 | } | |
1574 | else | |
1575 | ors = SvPV(nrs, orslen); | |
6e72f9df | 1576 | ors = savepvn(ors, orslen); |
79072805 LW |
1577 | } |
1578 | return s; | |
1a30305b | 1579 | case 'M': |
bbce6d69 | 1580 | forbid_setid("-M"); /* XXX ? */ |
1a30305b | 1581 | /* FALL THROUGH */ |
1582 | case 'm': | |
bbce6d69 | 1583 | forbid_setid("-m"); /* XXX ? */ |
1a30305b | 1584 | if (*++s) { |
a5f75d66 | 1585 | char *start; |
11343788 | 1586 | SV *sv; |
a5f75d66 AD |
1587 | char *use = "use "; |
1588 | /* -M-foo == 'no foo' */ | |
1589 | if (*s == '-') { use = "no "; ++s; } | |
11343788 | 1590 | sv = newSVpv(use,0); |
a5f75d66 | 1591 | start = s; |
1a30305b | 1592 | /* We allow -M'Module qw(Foo Bar)' */ |
c07a80fd | 1593 | while(isALNUM(*s) || *s==':') ++s; |
1594 | if (*s != '=') { | |
11343788 | 1595 | sv_catpv(sv, start); |
c07a80fd | 1596 | if (*(start-1) == 'm') { |
1597 | if (*s != '\0') | |
1598 | croak("Can't use '%c' after -mname", *s); | |
11343788 | 1599 | sv_catpv( sv, " ()"); |
c07a80fd | 1600 | } |
1601 | } else { | |
11343788 MB |
1602 | sv_catpvn(sv, start, s-start); |
1603 | sv_catpv(sv, " split(/,/,q{"); | |
1604 | sv_catpv(sv, ++s); | |
1605 | sv_catpv(sv, "})"); | |
c07a80fd | 1606 | } |
1a30305b | 1607 | s += strlen(s); |
c07a80fd | 1608 | if (preambleav == NULL) |
1609 | preambleav = newAV(); | |
11343788 | 1610 | av_push(preambleav, sv); |
1a30305b | 1611 | } |
1612 | else | |
1613 | croak("No space allowed after -%c", *(s-1)); | |
1614 | return s; | |
79072805 LW |
1615 | case 'n': |
1616 | minus_n = TRUE; | |
1617 | s++; | |
1618 | return s; | |
1619 | case 'p': | |
1620 | minus_p = TRUE; | |
1621 | s++; | |
1622 | return s; | |
1623 | case 's': | |
bbce6d69 | 1624 | forbid_setid("-s"); |
79072805 LW |
1625 | doswitches = TRUE; |
1626 | s++; | |
1627 | return s; | |
463ee0b2 | 1628 | case 'T': |
f86702cc | 1629 | if (!tainting) |
9607fc9c | 1630 | croak("Too late for \"-T\" option"); |
463ee0b2 LW |
1631 | s++; |
1632 | return s; | |
79072805 LW |
1633 | case 'u': |
1634 | do_undump = TRUE; | |
1635 | s++; | |
1636 | return s; | |
1637 | case 'U': | |
1638 | unsafe = TRUE; | |
1639 | s++; | |
1640 | return s; | |
1641 | case 'v': | |
a5f75d66 | 1642 | #if defined(SUBVERSION) && SUBVERSION > 0 |
fb73857a | 1643 | printf("\nThis is perl, version 5.%03d_%02d built for %s", |
1644 | PATCHLEVEL, SUBVERSION, ARCHNAME); | |
a5f75d66 | 1645 | #else |
fb73857a | 1646 | printf("\nThis is perl, version %s built for %s", |
1647 | patchlevel, ARCHNAME); | |
1648 | #endif | |
1649 | #if defined(LOCAL_PATCH_COUNT) | |
1650 | if (LOCAL_PATCH_COUNT > 0) | |
1651 | printf("\n(with %d registered patch%s, see perl -V for more detail)", | |
1652 | LOCAL_PATCH_COUNT, (LOCAL_PATCH_COUNT!=1) ? "es" : ""); | |
a5f75d66 | 1653 | #endif |
1a30305b | 1654 | |
a411490c | 1655 | printf("\n\nCopyright 1987-1998, Larry Wall\n"); |
79072805 | 1656 | #ifdef MSDOS |
fb73857a | 1657 | printf("\nMS-DOS port Copyright (c) 1989, 1990, Diomidis Spinellis\n"); |
55497cff | 1658 | #endif |
1659 | #ifdef DJGPP | |
1660 | printf("djgpp v2 port (jpl5003c) by Hirofumi Watanabe, 1996\n"); | |
39e571d4 | 1661 | printf("djgpp v2 port (perl5004) by Laszlo Molnar, 1997\n"); |
4633a7c4 | 1662 | #endif |
79072805 | 1663 | #ifdef OS2 |
5dd60ef7 | 1664 | printf("\n\nOS/2 port Copyright (c) 1990, 1991, Raymond Chen, Kai Uwe Rommel\n" |
a411490c | 1665 | "Version 5 port Copyright (c) 1994-1998, Andreas Kaiser, Ilya Zakharevich\n"); |
79072805 | 1666 | #endif |
79072805 | 1667 | #ifdef atarist |
760ac839 | 1668 | printf("atariST series port, ++jrb bammi@cadence.com\n"); |
79072805 | 1669 | #endif |
760ac839 | 1670 | printf("\n\ |
79072805 | 1671 | Perl may be copied only under the terms of either the Artistic License or the\n\ |
760ac839 | 1672 | GNU General Public License, which may be found in the Perl 5.0 source kit.\n\n"); |
3028581b | 1673 | PerlProc_exit(0); |
79072805 LW |
1674 | case 'w': |
1675 | dowarn = TRUE; | |
1676 | s++; | |
1677 | return s; | |
a0d0e21e | 1678 | case '*': |
79072805 LW |
1679 | case ' ': |
1680 | if (s[1] == '-') /* Additional switches on #! line. */ | |
1681 | return s+2; | |
1682 | break; | |
a0d0e21e | 1683 | case '-': |
79072805 | 1684 | case 0: |
a868473f NIS |
1685 | #ifdef WIN32 |
1686 | case '\r': | |
1687 | #endif | |
79072805 LW |
1688 | case '\n': |
1689 | case '\t': | |
1690 | break; | |
aa689395 | 1691 | #ifdef ALTERNATE_SHEBANG |
1692 | case 'S': /* OS/2 needs -S on "extproc" line. */ | |
1693 | break; | |
1694 | #endif | |
a0d0e21e LW |
1695 | case 'P': |
1696 | if (preprocess) | |
1697 | return s+1; | |
1698 | /* FALL THROUGH */ | |
79072805 | 1699 | default: |
a0d0e21e | 1700 | croak("Can't emulate -%.1s on #! line",s); |
79072805 LW |
1701 | } |
1702 | return Nullch; | |
1703 | } | |
1704 | ||
1705 | /* compliments of Tom Christiansen */ | |
1706 | ||
1707 | /* unexec() can be found in the Gnu emacs distribution */ | |
1708 | ||
1709 | void | |
8ac85365 | 1710 | my_unexec(void) |
79072805 LW |
1711 | { |
1712 | #ifdef UNEXEC | |
46fc3d4c | 1713 | SV* prog; |
1714 | SV* file; | |
79072805 LW |
1715 | int status; |
1716 | extern int etext; | |
1717 | ||
46fc3d4c | 1718 | prog = newSVpv(BIN_EXP); |
1719 | sv_catpv(prog, "/perl"); | |
1720 | file = newSVpv(origfilename); | |
1721 | sv_catpv(file, ".perldump"); | |
79072805 | 1722 | |
46fc3d4c | 1723 | status = unexec(SvPVX(file), SvPVX(prog), &etext, sbrk(0), 0); |
79072805 | 1724 | if (status) |
46fc3d4c | 1725 | PerlIO_printf(PerlIO_stderr(), "unexec of %s into %s failed!\n", |
1726 | SvPVX(prog), SvPVX(file)); | |
3028581b | 1727 | PerlProc_exit(status); |
79072805 | 1728 | #else |
a5f75d66 AD |
1729 | # ifdef VMS |
1730 | # include <lib$routines.h> | |
1731 | lib$signal(SS$_DEBUG); /* ssdef.h #included from vmsish.h */ | |
aa689395 | 1732 | # else |
79072805 | 1733 | ABORT(); /* for use with undump */ |
aa689395 | 1734 | # endif |
a5f75d66 | 1735 | #endif |
79072805 LW |
1736 | } |
1737 | ||
1738 | static void | |
8ac85365 | 1739 | init_main_stash(void) |
79072805 | 1740 | { |
11343788 | 1741 | dTHR; |
463ee0b2 | 1742 | GV *gv; |
6e72f9df | 1743 | |
1744 | /* Note that strtab is a rather special HV. Assumptions are made | |
1745 | about not iterating on it, and not adding tie magic to it. | |
1746 | It is properly deallocated in perl_destruct() */ | |
1747 | strtab = newHV(); | |
1748 | HvSHAREKEYS_off(strtab); /* mandatory */ | |
1749 | Newz(506,((XPVHV*)SvANY(strtab))->xhv_array, | |
1750 | sizeof(HE*) * (((XPVHV*)SvANY(strtab))->xhv_max + 1), char); | |
1751 | ||
463ee0b2 | 1752 | curstash = defstash = newHV(); |
79072805 | 1753 | curstname = newSVpv("main",4); |
adbc6bb1 LW |
1754 | gv = gv_fetchpv("main::",TRUE, SVt_PVHV); |
1755 | SvREFCNT_dec(GvHV(gv)); | |
1756 | GvHV(gv) = (HV*)SvREFCNT_inc(defstash); | |
463ee0b2 | 1757 | SvREADONLY_on(gv); |
a0d0e21e | 1758 | HvNAME(defstash) = savepv("main"); |
85e6fe83 | 1759 | incgv = gv_HVadd(gv_AVadd(gv_fetchpv("INC",TRUE, SVt_PVAV))); |
a5f75d66 | 1760 | GvMULTI_on(incgv); |
a0d0e21e | 1761 | defgv = gv_fetchpv("_",TRUE, SVt_PVAV); |
12f917ad MB |
1762 | errgv = gv_HVadd(gv_fetchpv("@", TRUE, SVt_PV)); |
1763 | GvMULTI_on(errgv); | |
84902520 | 1764 | (void)form("%240s",""); /* Preallocate temp - for immediate signals. */ |
38a03e6e MB |
1765 | sv_grow(ERRSV, 240); /* Preallocate - for immediate signals. */ |
1766 | sv_setpvn(ERRSV, "", 0); | |
8990e307 LW |
1767 | curstash = defstash; |
1768 | compiling.cop_stash = defstash; | |
adbc6bb1 | 1769 | debstash = GvHV(gv_fetchpv("DB::", GV_ADDMULTI, SVt_PVHV)); |
49dc05e3 | 1770 | globalstash = GvHV(gv_fetchpv("CORE::GLOBAL::", GV_ADDMULTI, SVt_PVHV)); |
4633a7c4 LW |
1771 | /* We must init $/ before switches are processed. */ |
1772 | sv_setpvn(GvSV(gv_fetchpv("/", TRUE, SVt_PV)), "\n", 1); | |
79072805 LW |
1773 | } |
1774 | ||
a0d0e21e LW |
1775 | #ifdef CAN_PROTOTYPE |
1776 | static void | |
1777 | open_script(char *scriptname, bool dosearch, SV *sv) | |
1778 | #else | |
79072805 LW |
1779 | static void |
1780 | open_script(scriptname,dosearch,sv) | |
1781 | char *scriptname; | |
1782 | bool dosearch; | |
1783 | SV *sv; | |
a0d0e21e | 1784 | #endif |
79072805 | 1785 | { |
0f15f207 | 1786 | dTHR; |
79072805 LW |
1787 | char *xfound = Nullch; |
1788 | char *xfailed = Nullch; | |
1789 | register char *s; | |
1790 | I32 len; | |
a38d6535 LW |
1791 | int retval; |
1792 | #if defined(DOSISH) && !defined(OS2) && !defined(atarist) | |
fc36a67e | 1793 | # define SEARCH_EXTS ".bat", ".cmd", NULL |
1794 | # define MAX_EXT_LEN 4 | |
a38d6535 | 1795 | #endif |
d8c2d278 IZ |
1796 | #ifdef OS2 |
1797 | # define SEARCH_EXTS ".cmd", ".btm", ".bat", ".pl", NULL | |
1798 | # define MAX_EXT_LEN 4 | |
1799 | #endif | |
ab821d7f | 1800 | #ifdef VMS |
1801 | # define SEARCH_EXTS ".pl", ".com", NULL | |
fc36a67e | 1802 | # define MAX_EXT_LEN 4 |
ab821d7f | 1803 | #endif |
a38d6535 LW |
1804 | /* additional extensions to try in each dir if scriptname not found */ |
1805 | #ifdef SEARCH_EXTS | |
1806 | char *ext[] = { SEARCH_EXTS }; | |
2a92aaa0 GS |
1807 | int extidx = 0, i = 0; |
1808 | char *curext = Nullch; | |
fc36a67e | 1809 | #else |
1810 | # define MAX_EXT_LEN 0 | |
a38d6535 | 1811 | #endif |
79072805 | 1812 | |
2a92aaa0 GS |
1813 | /* |
1814 | * If dosearch is true and if scriptname does not contain path | |
1815 | * delimiters, search the PATH for scriptname. | |
1816 | * | |
1817 | * If SEARCH_EXTS is also defined, will look for each | |
1818 | * scriptname{SEARCH_EXTS} whenever scriptname is not found | |
1819 | * while searching the PATH. | |
1820 | * | |
1821 | * Assuming SEARCH_EXTS is C<".foo",".bar",NULL>, PATH search | |
1822 | * proceeds as follows: | |
61bb5906 | 1823 | * If DOSISH or VMSISH: |
2a92aaa0 GS |
1824 | * + look for ./scriptname{,.foo,.bar} |
1825 | * + search the PATH for scriptname{,.foo,.bar} | |
1826 | * | |
1827 | * If !DOSISH: | |
1828 | * + look *only* in the PATH for scriptname{,.foo,.bar} (note | |
1829 | * this will not look in '.' if it's not in the PATH) | |
1830 | */ | |
1831 | ||
c07a80fd | 1832 | #ifdef VMS |
61bb5906 CB |
1833 | # ifdef ALWAYS_DEFTYPES |
1834 | len = strlen(scriptname); | |
1835 | if (!(len == 1 && *scriptname == '-') && scriptname[len-1] != ':') { | |
1836 | int hasdir, idx = 0, deftypes = 1; | |
1837 | bool seen_dot = 1; | |
1838 | ||
1839 | hasdir = !dosearch || (strpbrk(scriptname,":[</") != Nullch) ; | |
1840 | # else | |
6e72f9df | 1841 | if (dosearch) { |
1842 | int hasdir, idx = 0, deftypes = 1; | |
1a2dec3c | 1843 | bool seen_dot = 1; |
6e72f9df | 1844 | |
1845 | hasdir = (strpbrk(scriptname,":[</") != Nullch) ; | |
61bb5906 | 1846 | # endif |
6e72f9df | 1847 | /* The first time through, just add SEARCH_EXTS to whatever we |
1848 | * already have, so we can check for default file types. */ | |
fc36a67e | 1849 | while (deftypes || |
1850 | (!hasdir && my_trnlnm("DCL$PATH",tokenbuf,idx++)) ) | |
1851 | { | |
1852 | if (deftypes) { | |
1853 | deftypes = 0; | |
1854 | *tokenbuf = '\0'; | |
1855 | } | |
1856 | if ((strlen(tokenbuf) + strlen(scriptname) | |
1857 | + MAX_EXT_LEN) >= sizeof tokenbuf) | |
1858 | continue; /* don't search dir with too-long name */ | |
1859 | strcat(tokenbuf, scriptname); | |
c07a80fd | 1860 | #else /* !VMS */ |
2a92aaa0 | 1861 | |
fc36a67e | 1862 | #ifdef DOSISH |
2a92aaa0 | 1863 | if (strEQ(scriptname, "-")) |
84902520 | 1864 | dosearch = 0; |
2a92aaa0 GS |
1865 | if (dosearch) { /* Look in '.' first. */ |
1866 | char *cur = scriptname; | |
1867 | #ifdef SEARCH_EXTS | |
1868 | if ((curext = strrchr(scriptname,'.'))) /* possible current ext */ | |
1869 | while (ext[i]) | |
1870 | if (strEQ(ext[i++],curext)) { | |
1871 | extidx = -1; /* already has an ext */ | |
1872 | break; | |
1873 | } | |
1874 | do { | |
79072805 | 1875 | #endif |
2a92aaa0 GS |
1876 | DEBUG_p(PerlIO_printf(Perl_debug_log, |
1877 | "Looking for %s\n",cur)); | |
1878 | if (Stat(cur,&statbuf) >= 0) { | |
1879 | dosearch = 0; | |
1880 | scriptname = cur; | |
84902520 | 1881 | #ifdef SEARCH_EXTS |
2a92aaa0 | 1882 | break; |
84902520 | 1883 | #endif |
2a92aaa0 GS |
1884 | } |
1885 | #ifdef SEARCH_EXTS | |
1886 | if (cur == scriptname) { | |
1887 | len = strlen(scriptname); | |
1888 | if (len+MAX_EXT_LEN+1 >= sizeof(tokenbuf)) | |
1889 | break; | |
1890 | cur = strcpy(tokenbuf, scriptname); | |
1891 | } | |
1892 | } while (extidx >= 0 && ext[extidx] /* try an extension? */ | |
1893 | && strcpy(tokenbuf+len, ext[extidx++])); | |
1894 | #endif | |
1895 | } | |
1896 | #endif | |
84902520 | 1897 | |
e92c4225 WJ |
1898 | if (dosearch && !strchr(scriptname, '/') |
1899 | #ifdef DOSISH | |
1900 | && !strchr(scriptname, '\\') | |
1901 | #endif | |
5fd9e9a4 | 1902 | && (s = PerlEnv_getenv("PATH"))) { |
2a92aaa0 | 1903 | bool seen_dot = 0; |
84902520 | 1904 | |
79072805 | 1905 | bufend = s + strlen(s); |
fc36a67e | 1906 | while (s < bufend) { |
2a92aaa0 GS |
1907 | #if defined(atarist) || defined(DOSISH) |
1908 | for (len = 0; *s | |
1909 | # ifdef atarist | |
1910 | && *s != ',' | |
1911 | # endif | |
1912 | && *s != ';'; len++, s++) { | |
fc36a67e | 1913 | if (len < sizeof tokenbuf) |
1914 | tokenbuf[len] = *s; | |
1915 | } | |
1916 | if (len < sizeof tokenbuf) | |
1917 | tokenbuf[len] = '\0'; | |
84902520 TB |
1918 | #else /* ! (atarist || DOSISH) */ |
1919 | s = delimcpy(tokenbuf, tokenbuf + sizeof tokenbuf, s, bufend, | |
1920 | ':', | |
1921 | &len); | |
1922 | #endif /* ! (atarist || DOSISH) */ | |
fc36a67e | 1923 | if (s < bufend) |
79072805 | 1924 | s++; |
fc36a67e | 1925 | if (len + 1 + strlen(scriptname) + MAX_EXT_LEN >= sizeof tokenbuf) |
1926 | continue; /* don't search dir with too-long name */ | |
1927 | if (len | |
fc36a67e | 1928 | #if defined(atarist) || defined(DOSISH) |
2a92aaa0 | 1929 | && tokenbuf[len - 1] != '/' |
fc36a67e | 1930 | && tokenbuf[len - 1] != '\\' |
79072805 | 1931 | #endif |
fc36a67e | 1932 | ) |
1933 | tokenbuf[len++] = '/'; | |
84902520 | 1934 | if (len == 2 && tokenbuf[0] == '.') |
2a92aaa0 | 1935 | seen_dot = 1; |
fc36a67e | 1936 | (void)strcpy(tokenbuf + len, scriptname); |
c07a80fd | 1937 | #endif /* !VMS */ |
a38d6535 LW |
1938 | |
1939 | #ifdef SEARCH_EXTS | |
1940 | len = strlen(tokenbuf); | |
1941 | if (extidx > 0) /* reset after previous loop */ | |
1942 | extidx = 0; | |
1943 | do { | |
1944 | #endif | |
760ac839 | 1945 | DEBUG_p(PerlIO_printf(Perl_debug_log, "Looking for %s\n",tokenbuf)); |
a38d6535 LW |
1946 | retval = Stat(tokenbuf,&statbuf); |
1947 | #ifdef SEARCH_EXTS | |
1948 | } while ( retval < 0 /* not there */ | |
1949 | && extidx>=0 && ext[extidx] /* try an extension? */ | |
1950 | && strcpy(tokenbuf+len, ext[extidx++]) | |
1951 | ); | |
1952 | #endif | |
1953 | if (retval < 0) | |
79072805 LW |
1954 | continue; |
1955 | if (S_ISREG(statbuf.st_mode) | |
c90c0ff4 | 1956 | && cando(S_IRUSR,TRUE,&statbuf) |
1957 | #ifndef DOSISH | |
1958 | && cando(S_IXUSR,TRUE,&statbuf) | |
1959 | #endif | |
1960 | ) | |
1961 | { | |
79072805 LW |
1962 | xfound = tokenbuf; /* bingo! */ |
1963 | break; | |
1964 | } | |
1965 | if (!xfailed) | |
a0d0e21e | 1966 | xfailed = savepv(tokenbuf); |
79072805 | 1967 | } |
2a92aaa0 GS |
1968 | #ifndef DOSISH |
1969 | if (!xfound && !seen_dot && !xfailed && (Stat(scriptname,&statbuf) < 0)) | |
84902520 TB |
1970 | #endif |
1971 | seen_dot = 1; /* Disable message. */ | |
79072805 | 1972 | if (!xfound) |
84902520 | 1973 | croak("Can't %s %s%s%s", |
2a92aaa0 GS |
1974 | (xfailed ? "execute" : "find"), |
1975 | (xfailed ? xfailed : scriptname), | |
1976 | (xfailed ? "" : " on PATH"), | |
1977 | (xfailed || seen_dot) ? "" : ", '.' not in PATH"); | |
79072805 LW |
1978 | if (xfailed) |
1979 | Safefree(xfailed); | |
1980 | scriptname = xfound; | |
1981 | } | |
1982 | ||
96436eeb | 1983 | if (strnEQ(scriptname, "/dev/fd/", 8) && isDIGIT(scriptname[8]) ) { |
1984 | char *s = scriptname + 8; | |
1985 | fdscript = atoi(s); | |
1986 | while (isDIGIT(*s)) | |
1987 | s++; | |
1988 | if (*s) | |
1989 | scriptname = s + 1; | |
1990 | } | |
1991 | else | |
1992 | fdscript = -1; | |
ab821d7f | 1993 | origfilename = savepv(e_tmpname ? "-e" : scriptname); |
79072805 LW |
1994 | curcop->cop_filegv = gv_fetchfile(origfilename); |
1995 | if (strEQ(origfilename,"-")) | |
1996 | scriptname = ""; | |
96436eeb | 1997 | if (fdscript >= 0) { |
a868473f | 1998 | rsfp = PerlIO_fdopen(fdscript,PERL_SCRIPT_MODE); |
96436eeb | 1999 | #if defined(HAS_FCNTL) && defined(F_SETFD) |
7aa04957 CS |
2000 | if (rsfp) |
2001 | fcntl(PerlIO_fileno(rsfp),F_SETFD,1); /* ensure close-on-exec */ | |
96436eeb | 2002 | #endif |
2003 | } | |
2004 | else if (preprocess) { | |
46fc3d4c | 2005 | char *cpp_cfg = CPPSTDIN; |
2006 | SV *cpp = NEWSV(0,0); | |
2007 | SV *cmd = NEWSV(0,0); | |
2008 | ||
2009 | if (strEQ(cpp_cfg, "cppstdin")) | |
2010 | sv_catpvf(cpp, "%s/", BIN_EXP); | |
2011 | sv_catpv(cpp, cpp_cfg); | |
79072805 | 2012 | |
79072805 | 2013 | sv_catpv(sv,"-I"); |
fed7345c | 2014 | sv_catpv(sv,PRIVLIB_EXP); |
46fc3d4c | 2015 | |
79072805 | 2016 | #ifdef MSDOS |
46fc3d4c | 2017 | sv_setpvf(cmd, "\ |
79072805 LW |
2018 | sed %s -e \"/^[^#]/b\" \ |
2019 | -e \"/^#[ ]*include[ ]/b\" \ | |
2020 | -e \"/^#[ ]*define[ ]/b\" \ | |
2021 | -e \"/^#[ ]*if[ ]/b\" \ | |
2022 | -e \"/^#[ ]*ifdef[ ]/b\" \ | |
2023 | -e \"/^#[ ]*ifndef[ ]/b\" \ | |
2024 | -e \"/^#[ ]*else/b\" \ | |
2025 | -e \"/^#[ ]*elif[ ]/b\" \ | |
2026 | -e \"/^#[ ]*undef[ ]/b\" \ | |
2027 | -e \"/^#[ ]*endif/b\" \ | |
2028 | -e \"s/^#.*//\" \ | |
fc36a67e | 2029 | %s | %_ -C %_ %s", |
79072805 LW |
2030 | (doextract ? "-e \"1,/^#/d\n\"" : ""), |
2031 | #else | |
46fc3d4c | 2032 | sv_setpvf(cmd, "\ |
79072805 LW |
2033 | %s %s -e '/^[^#]/b' \ |
2034 | -e '/^#[ ]*include[ ]/b' \ | |
2035 | -e '/^#[ ]*define[ ]/b' \ | |
2036 | -e '/^#[ ]*if[ ]/b' \ | |
2037 | -e '/^#[ ]*ifdef[ ]/b' \ | |
2038 | -e '/^#[ ]*ifndef[ ]/b' \ | |
2039 | -e '/^#[ ]*else/b' \ | |
2040 | -e '/^#[ ]*elif[ ]/b' \ | |
2041 | -e '/^#[ ]*undef[ ]/b' \ | |
2042 | -e '/^#[ ]*endif/b' \ | |
2043 | -e 's/^[ ]*#.*//' \ | |
fc36a67e | 2044 | %s | %_ -C %_ %s", |
79072805 LW |
2045 | #ifdef LOC_SED |
2046 | LOC_SED, | |
2047 | #else | |
2048 | "sed", | |
2049 | #endif | |
2050 | (doextract ? "-e '1,/^#/d\n'" : ""), | |
2051 | #endif | |
46fc3d4c | 2052 | scriptname, cpp, sv, CPPMINUS); |
79072805 LW |
2053 | doextract = FALSE; |
2054 | #ifdef IAMSUID /* actually, this is caught earlier */ | |
2055 | if (euid != uid && !euid) { /* if running suidperl */ | |
2056 | #ifdef HAS_SETEUID | |
2057 | (void)seteuid(uid); /* musn't stay setuid root */ | |
2058 | #else | |
2059 | #ifdef HAS_SETREUID | |
85e6fe83 LW |
2060 | (void)setreuid((Uid_t)-1, uid); |
2061 | #else | |
2062 | #ifdef HAS_SETRESUID | |
2063 | (void)setresuid((Uid_t)-1, uid, (Uid_t)-1); | |
79072805 LW |
2064 | #else |
2065 | setuid(uid); | |
2066 | #endif | |
2067 | #endif | |
85e6fe83 | 2068 | #endif |
79072805 | 2069 | if (geteuid() != uid) |
463ee0b2 | 2070 | croak("Can't do seteuid!\n"); |
79072805 LW |
2071 | } |
2072 | #endif /* IAMSUID */ | |
3028581b | 2073 | rsfp = PerlProc_popen(SvPVX(cmd), "r"); |
46fc3d4c | 2074 | SvREFCNT_dec(cmd); |
2075 | SvREFCNT_dec(cpp); | |
79072805 LW |
2076 | } |
2077 | else if (!*scriptname) { | |
bbce6d69 | 2078 | forbid_setid("program input from stdin"); |
760ac839 | 2079 | rsfp = PerlIO_stdin(); |
79072805 | 2080 | } |
96436eeb | 2081 | else { |
a868473f | 2082 | rsfp = PerlIO_open(scriptname,PERL_SCRIPT_MODE); |
96436eeb | 2083 | #if defined(HAS_FCNTL) && defined(F_SETFD) |
7aa04957 CS |
2084 | if (rsfp) |
2085 | fcntl(PerlIO_fileno(rsfp),F_SETFD,1); /* ensure close-on-exec */ | |
96436eeb | 2086 | #endif |
2087 | } | |
5dd60ef7 | 2088 | if (e_tmpname) { |
2089 | e_fp = rsfp; | |
2090 | } | |
7aa04957 | 2091 | if (!rsfp) { |
13281fa4 | 2092 | #ifdef DOSUID |
a687059c | 2093 | #ifndef IAMSUID /* in case script is not readable before setuid */ |
a0d0e21e | 2094 | if (euid && Stat(SvPVX(GvSV(curcop->cop_filegv)),&statbuf) >= 0 && |
13281fa4 | 2095 | statbuf.st_mode & (S_ISUID|S_ISGID)) { |
46fc3d4c | 2096 | /* try again */ |
3028581b | 2097 | PerlProc_execv(form("%s/sperl%s", BIN_EXP, patchlevel), origargv); |
463ee0b2 | 2098 | croak("Can't do setuid\n"); |
13281fa4 LW |
2099 | } |
2100 | #endif | |
2101 | #endif | |
463ee0b2 | 2102 | croak("Can't open perl script \"%s\": %s\n", |
2304df62 | 2103 | SvPVX(GvSV(curcop->cop_filegv)), Strerror(errno)); |
13281fa4 | 2104 | } |
79072805 | 2105 | } |
8d063cd8 | 2106 | |
79072805 | 2107 | static void |
8ac85365 | 2108 | validate_suid(char *validarg, char *scriptname) |
79072805 | 2109 | { |
96436eeb | 2110 | int which; |
2111 | ||
13281fa4 LW |
2112 | /* do we need to emulate setuid on scripts? */ |
2113 | ||
2114 | /* This code is for those BSD systems that have setuid #! scripts disabled | |
2115 | * in the kernel because of a security problem. Merely defining DOSUID | |
2116 | * in perl will not fix that problem, but if you have disabled setuid | |
2117 | * scripts in the kernel, this will attempt to emulate setuid and setgid | |
2118 | * on scripts that have those now-otherwise-useless bits set. The setuid | |
27e2fb84 LW |
2119 | * root version must be called suidperl or sperlN.NNN. If regular perl |
2120 | * discovers that it has opened a setuid script, it calls suidperl with | |
2121 | * the same argv that it had. If suidperl finds that the script it has | |
2122 | * just opened is NOT setuid root, it sets the effective uid back to the | |
2123 | * uid. We don't just make perl setuid root because that loses the | |
2124 | * effective uid we had before invoking perl, if it was different from the | |
2125 | * uid. | |
13281fa4 LW |
2126 | * |
2127 | * DOSUID must be defined in both perl and suidperl, and IAMSUID must | |
2128 | * be defined in suidperl only. suidperl must be setuid root. The | |
2129 | * Configure script will set this up for you if you want it. | |
2130 | */ | |
a687059c | 2131 | |
13281fa4 | 2132 | #ifdef DOSUID |
ea0efc06 | 2133 | dTHR; |
6e72f9df | 2134 | char *s, *s2; |
a0d0e21e | 2135 | |
3028581b | 2136 | if (PerlLIO_fstat(PerlIO_fileno(rsfp),&statbuf) < 0) /* normal stat is insecure */ |
463ee0b2 | 2137 | croak("Can't stat script \"%s\"",origfilename); |
96436eeb | 2138 | if (fdscript < 0 && statbuf.st_mode & (S_ISUID|S_ISGID)) { |
79072805 | 2139 | I32 len; |
13281fa4 | 2140 | |
a687059c | 2141 | #ifdef IAMSUID |
fe14fcc3 | 2142 | #ifndef HAS_SETREUID |
a687059c LW |
2143 | /* On this access check to make sure the directories are readable, |
2144 | * there is actually a small window that the user could use to make | |
2145 | * filename point to an accessible directory. So there is a faint | |
2146 | * chance that someone could execute a setuid script down in a | |
2147 | * non-accessible directory. I don't know what to do about that. | |
2148 | * But I don't think it's too important. The manual lies when | |
2149 | * it says access() is useful in setuid programs. | |
2150 | */ | |
3028581b | 2151 | if (PerlLIO_access(SvPVX(GvSV(curcop->cop_filegv)),1)) /*double check*/ |
463ee0b2 | 2152 | croak("Permission denied"); |
a687059c LW |
2153 | #else |
2154 | /* If we can swap euid and uid, then we can determine access rights | |
2155 | * with a simple stat of the file, and then compare device and | |
2156 | * inode to make sure we did stat() on the same file we opened. | |
2157 | * Then we just have to make sure he or she can execute it. | |
2158 | */ | |
2159 | { | |
2160 | struct stat tmpstatbuf; | |
2161 | ||
85e6fe83 LW |
2162 | if ( |
2163 | #ifdef HAS_SETREUID | |
2164 | setreuid(euid,uid) < 0 | |
a0d0e21e LW |
2165 | #else |
2166 | # if HAS_SETRESUID | |
85e6fe83 | 2167 | setresuid(euid,uid,(Uid_t)-1) < 0 |
a0d0e21e | 2168 | # endif |
85e6fe83 LW |
2169 | #endif |
2170 | || getuid() != euid || geteuid() != uid) | |
463ee0b2 | 2171 | croak("Can't swap uid and euid"); /* really paranoid */ |
a0d0e21e | 2172 | if (Stat(SvPVX(GvSV(curcop->cop_filegv)),&tmpstatbuf) < 0) |
463ee0b2 | 2173 | croak("Permission denied"); /* testing full pathname here */ |
a687059c LW |
2174 | if (tmpstatbuf.st_dev != statbuf.st_dev || |
2175 | tmpstatbuf.st_ino != statbuf.st_ino) { | |
760ac839 | 2176 | (void)PerlIO_close(rsfp); |
3028581b | 2177 | if (rsfp = PerlProc_popen("/bin/mail root","w")) { /* heh, heh */ |
760ac839 | 2178 | PerlIO_printf(rsfp, |
ff0cee69 | 2179 | "User %ld tried to run dev %ld ino %ld in place of dev %ld ino %ld!\n\ |
2180 | (Filename of set-id script was %s, uid %ld gid %ld.)\n\nSincerely,\nperl\n", | |
2181 | (long)uid,(long)tmpstatbuf.st_dev, (long)tmpstatbuf.st_ino, | |
2182 | (long)statbuf.st_dev, (long)statbuf.st_ino, | |
463ee0b2 | 2183 | SvPVX(GvSV(curcop->cop_filegv)), |
ff0cee69 | 2184 | (long)statbuf.st_uid, (long)statbuf.st_gid); |
3028581b | 2185 | (void)PerlProc_pclose(rsfp); |
a687059c | 2186 | } |
463ee0b2 | 2187 | croak("Permission denied\n"); |
a687059c | 2188 | } |
85e6fe83 LW |
2189 | if ( |
2190 | #ifdef HAS_SETREUID | |
2191 | setreuid(uid,euid) < 0 | |
a0d0e21e LW |
2192 | #else |
2193 | # if defined(HAS_SETRESUID) | |
85e6fe83 | 2194 | setresuid(uid,euid,(Uid_t)-1) < 0 |
a0d0e21e | 2195 | # endif |
85e6fe83 LW |
2196 | #endif |
2197 | || getuid() != uid || geteuid() != euid) | |
463ee0b2 | 2198 | croak("Can't reswap uid and euid"); |
27e2fb84 | 2199 | if (!cando(S_IXUSR,FALSE,&statbuf)) /* can real uid exec? */ |
463ee0b2 | 2200 | croak("Permission denied\n"); |
a687059c | 2201 | } |
fe14fcc3 | 2202 | #endif /* HAS_SETREUID */ |
a687059c LW |
2203 | #endif /* IAMSUID */ |
2204 | ||
27e2fb84 | 2205 | if (!S_ISREG(statbuf.st_mode)) |
463ee0b2 | 2206 | croak("Permission denied"); |
27e2fb84 | 2207 | if (statbuf.st_mode & S_IWOTH) |
463ee0b2 | 2208 | croak("Setuid/gid script is writable by world"); |
13281fa4 | 2209 | doswitches = FALSE; /* -s is insecure in suid */ |
79072805 | 2210 | curcop->cop_line++; |
760ac839 LW |
2211 | if (sv_gets(linestr, rsfp, 0) == Nullch || |
2212 | strnNE(SvPV(linestr,na),"#!",2) ) /* required even on Sys V */ | |
463ee0b2 | 2213 | croak("No #! line"); |
760ac839 | 2214 | s = SvPV(linestr,na)+2; |
663a0e37 | 2215 | if (*s == ' ') s++; |
45d8adaa | 2216 | while (!isSPACE(*s)) s++; |
760ac839 | 2217 | for (s2 = s; (s2 > SvPV(linestr,na)+2 && |
6e72f9df | 2218 | (isDIGIT(s2[-1]) || strchr("._-", s2[-1]))); s2--) ; |
2219 | if (strnNE(s2-4,"perl",4) && strnNE(s-9,"perl",4)) /* sanity check */ | |
463ee0b2 | 2220 | croak("Not a perl script"); |
a687059c | 2221 | while (*s == ' ' || *s == '\t') s++; |
13281fa4 LW |
2222 | /* |
2223 | * #! arg must be what we saw above. They can invoke it by | |
2224 | * mentioning suidperl explicitly, but they may not add any strange | |
2225 | * arguments beyond what #! says if they do invoke suidperl that way. | |
2226 | */ | |
2227 | len = strlen(validarg); | |
2228 | if (strEQ(validarg," PHOOEY ") || | |
45d8adaa | 2229 | strnNE(s,validarg,len) || !isSPACE(s[len])) |
463ee0b2 | 2230 | croak("Args must match #! line"); |
a687059c LW |
2231 | |
2232 | #ifndef IAMSUID | |
2233 | if (euid != uid && (statbuf.st_mode & S_ISUID) && | |
2234 | euid == statbuf.st_uid) | |
2235 | if (!do_undump) | |
463ee0b2 | 2236 | croak("YOU HAVEN'T DISABLED SET-ID SCRIPTS IN THE KERNEL YET!\n\ |
a687059c LW |
2237 | FIX YOUR KERNEL, PUT A C WRAPPER AROUND THIS SCRIPT, OR USE -u AND UNDUMP!\n"); |
2238 | #endif /* IAMSUID */ | |
13281fa4 LW |
2239 | |
2240 | if (euid) { /* oops, we're not the setuid root perl */ | |
760ac839 | 2241 | (void)PerlIO_close(rsfp); |
13281fa4 | 2242 | #ifndef IAMSUID |
46fc3d4c | 2243 | /* try again */ |
3028581b | 2244 | PerlProc_execv(form("%s/sperl%s", BIN_EXP, patchlevel), origargv); |
13281fa4 | 2245 | #endif |
463ee0b2 | 2246 | croak("Can't do setuid\n"); |
13281fa4 LW |
2247 | } |
2248 | ||
83025b21 | 2249 | if (statbuf.st_mode & S_ISGID && statbuf.st_gid != egid) { |
fe14fcc3 | 2250 | #ifdef HAS_SETEGID |
a687059c LW |
2251 | (void)setegid(statbuf.st_gid); |
2252 | #else | |
fe14fcc3 | 2253 | #ifdef HAS_SETREGID |
85e6fe83 LW |
2254 | (void)setregid((Gid_t)-1,statbuf.st_gid); |
2255 | #else | |
2256 | #ifdef HAS_SETRESGID | |
2257 | (void)setresgid((Gid_t)-1,statbuf.st_gid,(Gid_t)-1); | |
a687059c LW |
2258 | #else |
2259 | setgid(statbuf.st_gid); | |
2260 | #endif | |
2261 | #endif | |
85e6fe83 | 2262 | #endif |
83025b21 | 2263 | if (getegid() != statbuf.st_gid) |
463ee0b2 | 2264 | croak("Can't do setegid!\n"); |
83025b21 | 2265 | } |
a687059c LW |
2266 | if (statbuf.st_mode & S_ISUID) { |
2267 | if (statbuf.st_uid != euid) | |
fe14fcc3 | 2268 | #ifdef HAS_SETEUID |
a687059c LW |
2269 | (void)seteuid(statbuf.st_uid); /* all that for this */ |
2270 | #else | |
fe14fcc3 | 2271 | #ifdef HAS_SETREUID |
85e6fe83 LW |
2272 | (void)setreuid((Uid_t)-1,statbuf.st_uid); |
2273 | #else | |
2274 | #ifdef HAS_SETRESUID | |
2275 | (void)setresuid((Uid_t)-1,statbuf.st_uid,(Uid_t)-1); | |
a687059c LW |
2276 | #else |
2277 | setuid(statbuf.st_uid); | |
2278 | #endif | |
2279 | #endif | |
85e6fe83 | 2280 | #endif |
83025b21 | 2281 | if (geteuid() != statbuf.st_uid) |
463ee0b2 | 2282 | croak("Can't do seteuid!\n"); |
a687059c | 2283 | } |
83025b21 | 2284 | else if (uid) { /* oops, mustn't run as root */ |
fe14fcc3 | 2285 | #ifdef HAS_SETEUID |
85e6fe83 | 2286 | (void)seteuid((Uid_t)uid); |
a687059c | 2287 | #else |
fe14fcc3 | 2288 | #ifdef HAS_SETREUID |
85e6fe83 | 2289 | (void)setreuid((Uid_t)-1,(Uid_t)uid); |
a687059c | 2290 | #else |
85e6fe83 LW |
2291 | #ifdef HAS_SETRESUID |
2292 | (void)setresuid((Uid_t)-1,(Uid_t)uid,(Uid_t)-1); | |
2293 | #else | |
2294 | setuid((Uid_t)uid); | |
2295 | #endif | |
a687059c LW |
2296 | #endif |
2297 | #endif | |
83025b21 | 2298 | if (geteuid() != uid) |
463ee0b2 | 2299 | croak("Can't do seteuid!\n"); |
83025b21 | 2300 | } |
748a9306 | 2301 | init_ids(); |
27e2fb84 | 2302 | if (!cando(S_IXUSR,TRUE,&statbuf)) |
463ee0b2 | 2303 | croak("Permission denied\n"); /* they can't do this */ |
13281fa4 LW |
2304 | } |
2305 | #ifdef IAMSUID | |
2306 | else if (preprocess) | |
463ee0b2 | 2307 | croak("-P not allowed for setuid/setgid script\n"); |
96436eeb | 2308 | else if (fdscript >= 0) |
2309 | croak("fd script not allowed in suidperl\n"); | |
13281fa4 | 2310 | else |
463ee0b2 | 2311 | croak("Script is not setuid/setgid in suidperl\n"); |
96436eeb | 2312 | |
2313 | /* We absolutely must clear out any saved ids here, so we */ | |
2314 | /* exec the real perl, substituting fd script for scriptname. */ | |
2315 | /* (We pass script name as "subdir" of fd, which perl will grok.) */ | |
760ac839 | 2316 | PerlIO_rewind(rsfp); |
3028581b | 2317 | PerlLIO_lseek(PerlIO_fileno(rsfp),(Off_t)0,0); /* just in case rewind didn't */ |
96436eeb | 2318 | for (which = 1; origargv[which] && origargv[which] != scriptname; which++) ; |
2319 | if (!origargv[which]) | |
2320 | croak("Permission denied"); | |
46fc3d4c | 2321 | origargv[which] = savepv(form("/dev/fd/%d/%s", |
2322 | PerlIO_fileno(rsfp), origargv[which])); | |
96436eeb | 2323 | #if defined(HAS_FCNTL) && defined(F_SETFD) |
760ac839 | 2324 | fcntl(PerlIO_fileno(rsfp),F_SETFD,0); /* ensure no close-on-exec */ |
96436eeb | 2325 | #endif |
3028581b | 2326 | PerlProc_execv(form("%s/perl%s", BIN_EXP, patchlevel), origargv); /* try again */ |
96436eeb | 2327 | croak("Can't do setuid\n"); |
13281fa4 | 2328 | #endif /* IAMSUID */ |
a687059c | 2329 | #else /* !DOSUID */ |
a687059c LW |
2330 | if (euid != uid || egid != gid) { /* (suidperl doesn't exist, in fact) */ |
2331 | #ifndef SETUID_SCRIPTS_ARE_SECURE_NOW | |
96827780 | 2332 | dTHR; |
3028581b | 2333 | PerlLIO_fstat(PerlIO_fileno(rsfp),&statbuf); /* may be either wrapped or real suid */ |
a687059c LW |
2334 | if ((euid != uid && euid == statbuf.st_uid && statbuf.st_mode & S_ISUID) |
2335 | || | |
2336 | (egid != gid && egid == statbuf.st_gid && statbuf.st_mode & S_ISGID) | |
2337 | ) | |
2338 | if (!do_undump) | |
463ee0b2 | 2339 | croak("YOU HAVEN'T DISABLED SET-ID SCRIPTS IN THE KERNEL YET!\n\ |
a687059c LW |
2340 | FIX YOUR KERNEL, PUT A C WRAPPER AROUND THIS SCRIPT, OR USE -u AND UNDUMP!\n"); |
2341 | #endif /* SETUID_SCRIPTS_ARE_SECURE_NOW */ | |
2342 | /* not set-id, must be wrapped */ | |
a687059c | 2343 | } |
13281fa4 | 2344 | #endif /* DOSUID */ |
79072805 | 2345 | } |
13281fa4 | 2346 | |
79072805 | 2347 | static void |
8ac85365 | 2348 | find_beginning(void) |
79072805 | 2349 | { |
6e72f9df | 2350 | register char *s, *s2; |
33b78306 LW |
2351 | |
2352 | /* skip forward in input to the real script? */ | |
2353 | ||
bbce6d69 | 2354 | forbid_setid("-x"); |
33b78306 | 2355 | while (doextract) { |
79072805 | 2356 | if ((s = sv_gets(linestr, rsfp, 0)) == Nullch) |
463ee0b2 | 2357 | croak("No Perl script found in input\n"); |
6e72f9df | 2358 | if (*s == '#' && s[1] == '!' && (s = instr(s,"perl"))) { |
760ac839 | 2359 | PerlIO_ungetc(rsfp, '\n'); /* to keep line count right */ |
33b78306 | 2360 | doextract = FALSE; |
6e72f9df | 2361 | while (*s && !(isSPACE (*s) || *s == '#')) s++; |
2362 | s2 = s; | |
2363 | while (*s == ' ' || *s == '\t') s++; | |
2364 | if (*s++ == '-') { | |
2365 | while (isDIGIT(s2[-1]) || strchr("-._", s2[-1])) s2--; | |
2366 | if (strnEQ(s2-4,"perl",4)) | |
2367 | /*SUPPRESS 530*/ | |
2368 | while (s = moreswitches(s)) ; | |
33b78306 | 2369 | } |
3028581b | 2370 | if (cddir && PerlDir_chdir(cddir) < 0) |
463ee0b2 | 2371 | croak("Can't chdir to %s",cddir); |
83025b21 LW |
2372 | } |
2373 | } | |
2374 | } | |
2375 | ||
79072805 | 2376 | static void |
8ac85365 | 2377 | init_ids(void) |
352d5a3a | 2378 | { |
748a9306 LW |
2379 | uid = (int)getuid(); |
2380 | euid = (int)geteuid(); | |
2381 | gid = (int)getgid(); | |
2382 | egid = (int)getegid(); | |
2383 | #ifdef VMS | |
2384 | uid |= gid << 16; | |
2385 | euid |= egid << 16; | |
2386 | #endif | |
4633a7c4 | 2387 | tainting |= (uid && (euid != uid || egid != gid)); |
748a9306 | 2388 | } |
79072805 | 2389 | |
748a9306 | 2390 | static void |
8ac85365 | 2391 | forbid_setid(char *s) |
bbce6d69 | 2392 | { |
2393 | if (euid != uid) | |
2394 | croak("No %s allowed while running setuid", s); | |
2395 | if (egid != gid) | |
2396 | croak("No %s allowed while running setgid", s); | |
2397 | } | |
2398 | ||
2399 | static void | |
8ac85365 | 2400 | init_debugger(void) |
748a9306 | 2401 | { |
11343788 | 2402 | dTHR; |
79072805 | 2403 | curstash = debstash; |
748a9306 | 2404 | dbargs = GvAV(gv_AVadd((gv_fetchpv("args", GV_ADDMULTI, SVt_PVAV)))); |
79072805 | 2405 | AvREAL_off(dbargs); |
a0d0e21e LW |
2406 | DBgv = gv_fetchpv("DB", GV_ADDMULTI, SVt_PVGV); |
2407 | DBline = gv_fetchpv("dbline", GV_ADDMULTI, SVt_PVAV); | |
748a9306 LW |
2408 | DBsub = gv_HVadd(gv_fetchpv("sub", GV_ADDMULTI, SVt_PVHV)); |
2409 | DBsingle = GvSV((gv_fetchpv("single", GV_ADDMULTI, SVt_PV))); | |
c07a80fd | 2410 | sv_setiv(DBsingle, 0); |
748a9306 | 2411 | DBtrace = GvSV((gv_fetchpv("trace", GV_ADDMULTI, SVt_PV))); |
c07a80fd | 2412 | sv_setiv(DBtrace, 0); |
748a9306 | 2413 | DBsignal = GvSV((gv_fetchpv("signal", GV_ADDMULTI, SVt_PV))); |
c07a80fd | 2414 | sv_setiv(DBsignal, 0); |
79072805 | 2415 | curstash = defstash; |
352d5a3a LW |
2416 | } |
2417 | ||
11343788 | 2418 | void |
8ac85365 | 2419 | init_stacks(ARGSproto) |
79072805 | 2420 | { |
6e72f9df | 2421 | curstack = newAV(); |
5f05dabc | 2422 | mainstack = curstack; /* remember in case we switch stacks */ |
2423 | AvREAL_off(curstack); /* not a real array */ | |
6e72f9df | 2424 | av_extend(curstack,127); |
79072805 | 2425 | |
6e72f9df | 2426 | stack_base = AvARRAY(curstack); |
79072805 | 2427 | stack_sp = stack_base; |
8990e307 | 2428 | stack_max = stack_base + 127; |
79072805 | 2429 | |
c09156bb MB |
2430 | cxstack_max = 8192 / sizeof(PERL_CONTEXT) - 2; /* Use most of 8K. */ |
2431 | New(50,cxstack,cxstack_max + 1,PERL_CONTEXT); | |
8990e307 | 2432 | cxstack_ix = -1; |
8990e307 LW |
2433 | |
2434 | New(50,tmps_stack,128,SV*); | |
6d4ff0d2 | 2435 | tmps_floor = -1; |
8990e307 LW |
2436 | tmps_ix = -1; |
2437 | tmps_max = 128; | |
2438 | ||
5f05dabc | 2439 | /* |
2440 | * The following stacks almost certainly should be per-interpreter, | |
2441 | * but for now they're not. XXX | |
2442 | */ | |
2443 | ||
6e72f9df | 2444 | if (markstack) { |
2445 | markstack_ptr = markstack; | |
2446 | } else { | |
2447 | New(54,markstack,64,I32); | |
2448 | markstack_ptr = markstack; | |
2449 | markstack_max = markstack + 64; | |
2450 | } | |
79072805 | 2451 | |
6e72f9df | 2452 | if (scopestack) { |
2453 | scopestack_ix = 0; | |
2454 | } else { | |
2455 | New(54,scopestack,32,I32); | |
2456 | scopestack_ix = 0; | |
2457 | scopestack_max = 32; | |
2458 | } | |
79072805 | 2459 | |
6e72f9df | 2460 | if (savestack) { |
2461 | savestack_ix = 0; | |
2462 | } else { | |
2463 | New(54,savestack,128,ANY); | |
2464 | savestack_ix = 0; | |
2465 | savestack_max = 128; | |
2466 | } | |
79072805 | 2467 | |
6e72f9df | 2468 | if (retstack) { |
2469 | retstack_ix = 0; | |
2470 | } else { | |
2471 | New(54,retstack,16,OP*); | |
2472 | retstack_ix = 0; | |
2473 | retstack_max = 16; | |
5f05dabc | 2474 | } |
378cc40b | 2475 | } |
33b78306 | 2476 | |
6e72f9df | 2477 | static void |
8ac85365 | 2478 | nuke_stacks(void) |
6e72f9df | 2479 | { |
e858de61 | 2480 | dTHR; |
6e72f9df | 2481 | Safefree(cxstack); |
2482 | Safefree(tmps_stack); | |
5f05dabc | 2483 | DEBUG( { |
2484 | Safefree(debname); | |
2485 | Safefree(debdelim); | |
2486 | } ) | |
378cc40b | 2487 | } |
33b78306 | 2488 | |
760ac839 | 2489 | static PerlIO *tmpfp; /* moved outside init_lexer() because of UNICOS bug */ |
7aa04957 | 2490 | |
79072805 | 2491 | static void |
8ac85365 | 2492 | init_lexer(void) |
8990e307 | 2493 | { |
a0d0e21e | 2494 | tmpfp = rsfp; |
90248788 | 2495 | rsfp = Nullfp; |
8990e307 LW |
2496 | lex_start(linestr); |
2497 | rsfp = tmpfp; | |
2498 | subname = newSVpv("main",4); | |
2499 | } | |
2500 | ||
2501 | static void | |
8ac85365 | 2502 | init_predump_symbols(void) |
45d8adaa | 2503 | { |
11343788 | 2504 | dTHR; |
93a17b20 | 2505 | GV *tmpgv; |
a0d0e21e | 2506 | GV *othergv; |
79072805 | 2507 | |
e1c148c2 | 2508 | sv_setpvn(perl_get_sv("\"", TRUE), " ", 1); |
85e6fe83 | 2509 | stdingv = gv_fetchpv("STDIN",TRUE, SVt_PVIO); |
a5f75d66 | 2510 | GvMULTI_on(stdingv); |
760ac839 | 2511 | IoIFP(GvIOp(stdingv)) = PerlIO_stdin(); |
adbc6bb1 | 2512 | tmpgv = gv_fetchpv("stdin",TRUE, SVt_PV); |
a5f75d66 | 2513 | GvMULTI_on(tmpgv); |
a0d0e21e | 2514 | GvIOp(tmpgv) = (IO*)SvREFCNT_inc(GvIOp(stdingv)); |
79072805 | 2515 | |
85e6fe83 | 2516 | tmpgv = gv_fetchpv("STDOUT",TRUE, SVt_PVIO); |
a5f75d66 | 2517 | GvMULTI_on(tmpgv); |
760ac839 | 2518 | IoOFP(GvIOp(tmpgv)) = IoIFP(GvIOp(tmpgv)) = PerlIO_stdout(); |
4633a7c4 | 2519 | setdefout(tmpgv); |
adbc6bb1 | 2520 | tmpgv = gv_fetchpv("stdout",TRUE, SVt_PV); |
a5f75d66 | 2521 | GvMULTI_on(tmpgv); |
a0d0e21e | 2522 | GvIOp(tmpgv) = (IO*)SvREFCNT_inc(GvIOp(defoutgv)); |
79072805 | 2523 | |
a0d0e21e | 2524 | othergv = gv_fetchpv("STDERR",TRUE, SVt_PVIO); |
a5f75d66 | 2525 | GvMULTI_on(othergv); |
760ac839 | 2526 | IoOFP(GvIOp(othergv)) = IoIFP(GvIOp(othergv)) = PerlIO_stderr(); |
adbc6bb1 | 2527 | tmpgv = gv_fetchpv("stderr",TRUE, SVt_PV); |
a5f75d66 | 2528 | GvMULTI_on(tmpgv); |
a0d0e21e | 2529 | GvIOp(tmpgv) = (IO*)SvREFCNT_inc(GvIOp(othergv)); |
79072805 LW |
2530 | |
2531 | statname = NEWSV(66,0); /* last filename we did stat on */ | |
ab821d7f | 2532 | |
6e72f9df | 2533 | if (!osname) |
2534 | osname = savepv(OSNAME); | |
79072805 | 2535 | } |
33b78306 | 2536 | |
79072805 | 2537 | static void |
8ac85365 | 2538 | init_postdump_symbols(register int argc, register char **argv, register char **env) |
33b78306 | 2539 | { |
a863c7d1 | 2540 | dTHR; |
79072805 LW |
2541 | char *s; |
2542 | SV *sv; | |
2543 | GV* tmpgv; | |
fe14fcc3 | 2544 | |
79072805 LW |
2545 | argc--,argv++; /* skip name of script */ |
2546 | if (doswitches) { | |
2547 | for (; argc > 0 && **argv == '-'; argc--,argv++) { | |
2548 | if (!argv[0][1]) | |
2549 | break; | |
2550 | if (argv[0][1] == '-') { | |
2551 | argc--,argv++; | |
2552 | break; | |
2553 | } | |
93a17b20 | 2554 | if (s = strchr(argv[0], '=')) { |
79072805 | 2555 | *s++ = '\0'; |
85e6fe83 | 2556 | sv_setpv(GvSV(gv_fetchpv(argv[0]+1,TRUE, SVt_PV)),s); |
79072805 LW |
2557 | } |
2558 | else | |
85e6fe83 | 2559 | sv_setiv(GvSV(gv_fetchpv(argv[0]+1,TRUE, SVt_PV)),1); |
fe14fcc3 | 2560 | } |
79072805 LW |
2561 | } |
2562 | toptarget = NEWSV(0,0); | |
2563 | sv_upgrade(toptarget, SVt_PVFM); | |
2564 | sv_setpvn(toptarget, "", 0); | |
748a9306 | 2565 | bodytarget = NEWSV(0,0); |
79072805 LW |
2566 | sv_upgrade(bodytarget, SVt_PVFM); |
2567 | sv_setpvn(bodytarget, "", 0); | |
2568 | formtarget = bodytarget; | |
2569 | ||
bbce6d69 | 2570 | TAINT; |
85e6fe83 | 2571 | if (tmpgv = gv_fetchpv("0",TRUE, SVt_PV)) { |
79072805 LW |
2572 | sv_setpv(GvSV(tmpgv),origfilename); |
2573 | magicname("0", "0", 1); | |
2574 | } | |
85e6fe83 | 2575 | if (tmpgv = gv_fetchpv("\030",TRUE, SVt_PV)) |
79072805 | 2576 | sv_setpv(GvSV(tmpgv),origargv[0]); |
85e6fe83 | 2577 | if (argvgv = gv_fetchpv("ARGV",TRUE, SVt_PVAV)) { |
a5f75d66 | 2578 | GvMULTI_on(argvgv); |
79072805 LW |
2579 | (void)gv_AVadd(argvgv); |
2580 | av_clear(GvAVn(argvgv)); | |
2581 | for (; argc > 0; argc--,argv++) { | |
a0d0e21e | 2582 | av_push(GvAVn(argvgv),newSVpv(argv[0],0)); |
79072805 LW |
2583 | } |
2584 | } | |
85e6fe83 | 2585 | if (envgv = gv_fetchpv("ENV",TRUE, SVt_PVHV)) { |
79072805 | 2586 | HV *hv; |
a5f75d66 | 2587 | GvMULTI_on(envgv); |
79072805 | 2588 | hv = GvHVn(envgv); |
5aabfad6 | 2589 | hv_magic(hv, envgv, 'E'); |
a0d0e21e | 2590 | #ifndef VMS /* VMS doesn't have environ array */ |
4633a7c4 LW |
2591 | /* Note that if the supplied env parameter is actually a copy |
2592 | of the global environ then it may now point to free'd memory | |
2593 | if the environment has been modified since. To avoid this | |
2594 | problem we treat env==NULL as meaning 'use the default' | |
2595 | */ | |
2596 | if (!env) | |
2597 | env = environ; | |
5aabfad6 | 2598 | if (env != environ) |
79072805 LW |
2599 | environ[0] = Nullch; |
2600 | for (; *env; env++) { | |
93a17b20 | 2601 | if (!(s = strchr(*env,'='))) |
79072805 LW |
2602 | continue; |
2603 | *s++ = '\0'; | |
39e571d4 | 2604 | #if defined(WIN32) || defined(MSDOS) |
137443ea | 2605 | (void)strupr(*env); |
2606 | #endif | |
79072805 LW |
2607 | sv = newSVpv(s--,0); |
2608 | (void)hv_store(hv, *env, s - *env, sv, 0); | |
2609 | *s = '='; | |
3e3baf6d TB |
2610 | #if defined(__BORLANDC__) && defined(USE_WIN32_RTL_ENV) |
2611 | /* Sins of the RTL. See note in my_setenv(). */ | |
5fd9e9a4 | 2612 | (void)PerlEnv_putenv(savepv(*env)); |
3e3baf6d | 2613 | #endif |
fe14fcc3 | 2614 | } |
4550b24a | 2615 | #endif |
2616 | #ifdef DYNAMIC_ENV_FETCH | |
2617 | HvNAME(hv) = savepv(ENV_HV_NAME); | |
2618 | #endif | |
79072805 | 2619 | } |
bbce6d69 | 2620 | TAINT_NOT; |
85e6fe83 | 2621 | if (tmpgv = gv_fetchpv("$",TRUE, SVt_PV)) |
1e422769 | 2622 | sv_setiv(GvSV(tmpgv), (IV)getpid()); |
33b78306 | 2623 | } |
34de22dd | 2624 | |
79072805 | 2625 | static void |
8ac85365 | 2626 | init_perllib(void) |
34de22dd | 2627 | { |
85e6fe83 LW |
2628 | char *s; |
2629 | if (!tainting) { | |
552a7a9b | 2630 | #ifndef VMS |
5fd9e9a4 | 2631 | s = PerlEnv_getenv("PERL5LIB"); |
85e6fe83 | 2632 | if (s) |
774d564b | 2633 | incpush(s, TRUE); |
85e6fe83 | 2634 | else |
5fd9e9a4 | 2635 | incpush(PerlEnv_getenv("PERLLIB"), FALSE); |
552a7a9b | 2636 | #else /* VMS */ |
2637 | /* Treat PERL5?LIB as a possible search list logical name -- the | |
2638 | * "natural" VMS idiom for a Unix path string. We allow each | |
2639 | * element to be a set of |-separated directories for compatibility. | |
2640 | */ | |
2641 | char buf[256]; | |
2642 | int idx = 0; | |
2643 | if (my_trnlnm("PERL5LIB",buf,0)) | |
774d564b | 2644 | do { incpush(buf,TRUE); } while (my_trnlnm("PERL5LIB",buf,++idx)); |
552a7a9b | 2645 | else |
774d564b | 2646 | while (my_trnlnm("PERLLIB",buf,idx++)) incpush(buf,FALSE); |
552a7a9b | 2647 | #endif /* VMS */ |
85e6fe83 | 2648 | } |
34de22dd | 2649 | |
c90c0ff4 | 2650 | /* Use the ~-expanded versions of APPLLIB (undocumented), |
df5cef82 | 2651 | ARCHLIB PRIVLIB SITEARCH SITELIB and OLDARCHLIB |
2652 | */ | |
4633a7c4 | 2653 | #ifdef APPLLIB_EXP |
774d564b | 2654 | incpush(APPLLIB_EXP, FALSE); |
16d20bd9 | 2655 | #endif |
4633a7c4 | 2656 | |
fed7345c | 2657 | #ifdef ARCHLIB_EXP |
774d564b | 2658 | incpush(ARCHLIB_EXP, FALSE); |
a0d0e21e | 2659 | #endif |
fed7345c AD |
2660 | #ifndef PRIVLIB_EXP |
2661 | #define PRIVLIB_EXP "/usr/local/lib/perl5:/usr/local/lib/perl" | |
34de22dd | 2662 | #endif |
774d564b | 2663 | incpush(PRIVLIB_EXP, FALSE); |
4633a7c4 LW |
2664 | |
2665 | #ifdef SITEARCH_EXP | |
774d564b | 2666 | incpush(SITEARCH_EXP, FALSE); |
4633a7c4 LW |
2667 | #endif |
2668 | #ifdef SITELIB_EXP | |
774d564b | 2669 | incpush(SITELIB_EXP, FALSE); |
4633a7c4 LW |
2670 | #endif |
2671 | #ifdef OLDARCHLIB_EXP /* 5.00[01] compatibility */ | |
774d564b | 2672 | incpush(OLDARCHLIB_EXP, FALSE); |
4633a7c4 | 2673 | #endif |
a0d0e21e | 2674 | |
4633a7c4 | 2675 | if (!tainting) |
774d564b | 2676 | incpush(".", FALSE); |
2677 | } | |
2678 | ||
2679 | #if defined(DOSISH) | |
2680 | # define PERLLIB_SEP ';' | |
2681 | #else | |
2682 | # if defined(VMS) | |
2683 | # define PERLLIB_SEP '|' | |
2684 | # else | |
2685 | # define PERLLIB_SEP ':' | |
2686 | # endif | |
2687 | #endif | |
2688 | #ifndef PERLLIB_MANGLE | |
2689 | # define PERLLIB_MANGLE(s,n) (s) | |
2690 | #endif | |
2691 | ||
2692 | static void | |
8ac85365 | 2693 | incpush(char *p, int addsubdirs) |
774d564b | 2694 | { |
2695 | SV *subdir = Nullsv; | |
2696 | static char *archpat_auto; | |
2697 | ||
2698 | if (!p) | |
2699 | return; | |
2700 | ||
2701 | if (addsubdirs) { | |
8c52afec | 2702 | subdir = NEWSV(55,0); |
774d564b | 2703 | if (!archpat_auto) { |
2704 | STRLEN len = (sizeof(ARCHNAME) + strlen(patchlevel) | |
2705 | + sizeof("//auto")); | |
2706 | New(55, archpat_auto, len, char); | |
2707 | sprintf(archpat_auto, "/%s/%s/auto", ARCHNAME, patchlevel); | |
aa689395 | 2708 | #ifdef VMS |
2709 | for (len = sizeof(ARCHNAME) + 2; | |
2710 | archpat_auto[len] != '\0' && archpat_auto[len] != '/'; len++) | |
2711 | if (archpat_auto[len] == '.') archpat_auto[len] = '_'; | |
2712 | #endif | |
774d564b | 2713 | } |
2714 | } | |
2715 | ||
2716 | /* Break at all separators */ | |
2717 | while (p && *p) { | |
8c52afec | 2718 | SV *libdir = NEWSV(55,0); |
774d564b | 2719 | char *s; |
2720 | ||
2721 | /* skip any consecutive separators */ | |
2722 | while ( *p == PERLLIB_SEP ) { | |
2723 | /* Uncomment the next line for PATH semantics */ | |
2724 | /* av_push(GvAVn(incgv), newSVpv(".", 1)); */ | |
2725 | p++; | |
2726 | } | |
2727 | ||
2728 | if ( (s = strchr(p, PERLLIB_SEP)) != Nullch ) { | |
2729 | sv_setpvn(libdir, PERLLIB_MANGLE(p, (STRLEN)(s - p)), | |
2730 | (STRLEN)(s - p)); | |
2731 | p = s + 1; | |
2732 | } | |
2733 | else { | |
2734 | sv_setpv(libdir, PERLLIB_MANGLE(p, 0)); | |
2735 | p = Nullch; /* break out */ | |
2736 | } | |
2737 | ||
2738 | /* | |
2739 | * BEFORE pushing libdir onto @INC we may first push version- and | |
2740 | * archname-specific sub-directories. | |
2741 | */ | |
2742 | if (addsubdirs) { | |
2743 | struct stat tmpstatbuf; | |
aa689395 | 2744 | #ifdef VMS |
2745 | char *unix; | |
2746 | STRLEN len; | |
774d564b | 2747 | |
aa689395 | 2748 | if ((unix = tounixspec_ts(SvPV(libdir,na),Nullch)) != Nullch) { |
2749 | len = strlen(unix); | |
2750 | while (unix[len-1] == '/') len--; /* Cosmetic */ | |
2751 | sv_usepvn(libdir,unix,len); | |
2752 | } | |
2753 | else | |
2754 | PerlIO_printf(PerlIO_stderr(), | |
2755 | "Failed to unixify @INC element \"%s\"\n", | |
2756 | SvPV(libdir,na)); | |
2757 | #endif | |
4fdae800 | 2758 | /* .../archname/version if -d .../archname/version/auto */ |
774d564b | 2759 | sv_setsv(subdir, libdir); |
2760 | sv_catpv(subdir, archpat_auto); | |
2761 | if (Stat(SvPVX(subdir), &tmpstatbuf) >= 0 && | |
2762 | S_ISDIR(tmpstatbuf.st_mode)) | |
2763 | av_push(GvAVn(incgv), | |
2764 | newSVpv(SvPVX(subdir), SvCUR(subdir) - sizeof "auto")); | |
2765 | ||
4fdae800 | 2766 | /* .../archname if -d .../archname/auto */ |
774d564b | 2767 | sv_insert(subdir, SvCUR(libdir) + sizeof(ARCHNAME), |
2768 | strlen(patchlevel) + 1, "", 0); | |
2769 | if (Stat(SvPVX(subdir), &tmpstatbuf) >= 0 && | |
2770 | S_ISDIR(tmpstatbuf.st_mode)) | |
2771 | av_push(GvAVn(incgv), | |
2772 | newSVpv(SvPVX(subdir), SvCUR(subdir) - sizeof "auto")); | |
2773 | } | |
2774 | ||
2775 | /* finally push this lib directory on the end of @INC */ | |
2776 | av_push(GvAVn(incgv), libdir); | |
2777 | } | |
2778 | ||
2779 | SvREFCNT_dec(subdir); | |
34de22dd | 2780 | } |
93a17b20 | 2781 | |
199100c8 | 2782 | #ifdef USE_THREADS |
52e1cb5e | 2783 | static struct perl_thread * |
199100c8 MB |
2784 | init_main_thread() |
2785 | { | |
52e1cb5e | 2786 | struct perl_thread *thr; |
199100c8 MB |
2787 | XPV *xpv; |
2788 | ||
52e1cb5e | 2789 | Newz(53, thr, 1, struct perl_thread); |
199100c8 MB |
2790 | curcop = &compiling; |
2791 | thr->cvcache = newHV(); | |
54b9620d | 2792 | thr->threadsv = newAV(); |
940cb80d | 2793 | /* thr->threadsvp is set when find_threadsv is called */ |
199100c8 | 2794 | thr->specific = newAV(); |
38a03e6e | 2795 | thr->errhv = newHV(); |
199100c8 MB |
2796 | thr->flags = THRf_R_JOINABLE; |
2797 | MUTEX_INIT(&thr->mutex); | |
2798 | /* Handcraft thrsv similarly to mess_sv */ | |
2799 | New(53, thrsv, 1, SV); | |
2800 | Newz(53, xpv, 1, XPV); | |
2801 | SvFLAGS(thrsv) = SVt_PV; | |
2802 | SvANY(thrsv) = (void*)xpv; | |
2803 | SvREFCNT(thrsv) = 1 << 30; /* practically infinite */ | |
2804 | SvPVX(thrsv) = (char*)thr; | |
2805 | SvCUR_set(thrsv, sizeof(thr)); | |
2806 | SvLEN_set(thrsv, sizeof(thr)); | |
2807 | *SvEND(thrsv) = '\0'; /* in the trailing_nul field */ | |
2808 | thr->oursv = thrsv; | |
2809 | curcop = &compiling; | |
2810 | chopset = " \n-"; | |
2811 | ||
2812 | MUTEX_LOCK(&threads_mutex); | |
2813 | nthreads++; | |
2814 | thr->tid = 0; | |
2815 | thr->next = thr; | |
2816 | thr->prev = thr; | |
2817 | MUTEX_UNLOCK(&threads_mutex); | |
2818 | ||
4b026b9e GS |
2819 | #ifdef HAVE_THREAD_INTERN |
2820 | init_thread_intern(thr); | |
235db74f GS |
2821 | #endif |
2822 | ||
2823 | #ifdef SET_THREAD_SELF | |
2824 | SET_THREAD_SELF(thr); | |
199100c8 MB |
2825 | #else |
2826 | thr->self = pthread_self(); | |
235db74f | 2827 | #endif /* SET_THREAD_SELF */ |
199100c8 MB |
2828 | SET_THR(thr); |
2829 | ||
2830 | /* | |
2831 | * These must come after the SET_THR because sv_setpvn does | |
2832 | * SvTAINT and the taint fields require dTHR. | |
2833 | */ | |
2834 | toptarget = NEWSV(0,0); | |
2835 | sv_upgrade(toptarget, SVt_PVFM); | |
2836 | sv_setpvn(toptarget, "", 0); | |
2837 | bodytarget = NEWSV(0,0); | |
2838 | sv_upgrade(bodytarget, SVt_PVFM); | |
2839 | sv_setpvn(bodytarget, "", 0); | |
2840 | formtarget = bodytarget; | |
2faa37cc | 2841 | thr->errsv = newSVpv("", 0); |
199100c8 MB |
2842 | return thr; |
2843 | } | |
2844 | #endif /* USE_THREADS */ | |
2845 | ||
93a17b20 | 2846 | void |
8ac85365 | 2847 | call_list(I32 oldscope, AV *list) |
93a17b20 | 2848 | { |
11343788 | 2849 | dTHR; |
a0d0e21e | 2850 | line_t oldline = curcop->cop_line; |
22921e25 CS |
2851 | STRLEN len; |
2852 | dJMPENV; | |
2853 | int ret; | |
93a17b20 | 2854 | |
93965878 | 2855 | while (AvFILL(list) >= 0) { |
8990e307 | 2856 | CV *cv = (CV*)av_shift(list); |
93a17b20 | 2857 | |
8990e307 | 2858 | SAVEFREESV(cv); |
a0d0e21e | 2859 | |
22921e25 CS |
2860 | JMPENV_PUSH(ret); |
2861 | switch (ret) { | |
748a9306 | 2862 | case 0: { |
38a03e6e | 2863 | SV* atsv = ERRSV; |
748a9306 LW |
2864 | PUSHMARK(stack_sp); |
2865 | perl_call_sv((SV*)cv, G_EVAL|G_DISCARD); | |
12f917ad | 2866 | (void)SvPV(atsv, len); |
748a9306 | 2867 | if (len) { |
54310121 | 2868 | JMPENV_POP; |
748a9306 LW |
2869 | curcop = &compiling; |
2870 | curcop->cop_line = oldline; | |
2871 | if (list == beginav) | |
12f917ad | 2872 | sv_catpv(atsv, "BEGIN failed--compilation aborted"); |
748a9306 | 2873 | else |
12f917ad | 2874 | sv_catpv(atsv, "END failed--cleanup aborted"); |
2ae324a7 | 2875 | while (scopestack_ix > oldscope) |
2876 | LEAVE; | |
12f917ad | 2877 | croak("%s", SvPVX(atsv)); |
748a9306 | 2878 | } |
a0d0e21e | 2879 | } |
85e6fe83 LW |
2880 | break; |
2881 | case 1: | |
f86702cc | 2882 | STATUS_ALL_FAILURE; |
85e6fe83 LW |
2883 | /* FALL THROUGH */ |
2884 | case 2: | |
2885 | /* my_exit() was called */ | |
2ae324a7 | 2886 | while (scopestack_ix > oldscope) |
2887 | LEAVE; | |
84902520 | 2888 | FREETMPS; |
85e6fe83 LW |
2889 | curstash = defstash; |
2890 | if (endav) | |
68dc0745 | 2891 | call_list(oldscope, endav); |
54310121 | 2892 | JMPENV_POP; |
a0d0e21e LW |
2893 | curcop = &compiling; |
2894 | curcop->cop_line = oldline; | |
85e6fe83 LW |
2895 | if (statusvalue) { |
2896 | if (list == beginav) | |
a0d0e21e | 2897 | croak("BEGIN failed--compilation aborted"); |
85e6fe83 | 2898 | else |
a0d0e21e | 2899 | croak("END failed--cleanup aborted"); |
85e6fe83 | 2900 | } |
f86702cc | 2901 | my_exit_jump(); |
85e6fe83 | 2902 | /* NOTREACHED */ |
85e6fe83 LW |
2903 | case 3: |
2904 | if (!restartop) { | |
760ac839 | 2905 | PerlIO_printf(PerlIO_stderr(), "panic: restartop\n"); |
a0d0e21e | 2906 | FREETMPS; |
85e6fe83 LW |
2907 | break; |
2908 | } | |
54310121 | 2909 | JMPENV_POP; |
a0d0e21e LW |
2910 | curcop = &compiling; |
2911 | curcop->cop_line = oldline; | |
54310121 | 2912 | JMPENV_JUMP(3); |
8990e307 | 2913 | } |
54310121 | 2914 | JMPENV_POP; |
93a17b20 | 2915 | } |
93a17b20 | 2916 | } |
93a17b20 | 2917 | |
f86702cc | 2918 | void |
8ac85365 | 2919 | my_exit(U32 status) |
f86702cc | 2920 | { |
5dc0d613 MB |
2921 | dTHR; |
2922 | ||
2923 | #ifdef USE_THREADS | |
a863c7d1 MB |
2924 | DEBUG_L(PerlIO_printf(Perl_debug_log, "my_exit: thread %p, status %lu\n", |
2925 | thr, (unsigned long) status)); | |
5dc0d613 | 2926 | #endif /* USE_THREADS */ |
f86702cc | 2927 | switch (status) { |
2928 | case 0: | |
2929 | STATUS_ALL_SUCCESS; | |
2930 | break; | |
2931 | case 1: | |
2932 | STATUS_ALL_FAILURE; | |
2933 | break; | |
2934 | default: | |
2935 | STATUS_NATIVE_SET(status); | |
2936 | break; | |
2937 | } | |
2938 | my_exit_jump(); | |
2939 | } | |
2940 | ||
2941 | void | |
8ac85365 | 2942 | my_failure_exit(void) |
f86702cc | 2943 | { |
2944 | #ifdef VMS | |
2945 | if (vaxc$errno & 1) { | |
4fdae800 | 2946 | if (STATUS_NATIVE & 1) /* fortuitiously includes "-1" */ |
2947 | STATUS_NATIVE_SET(44); | |
f86702cc | 2948 | } |
2949 | else { | |
ff0cee69 | 2950 | if (!vaxc$errno && errno) /* unlikely */ |
4fdae800 | 2951 | STATUS_NATIVE_SET(44); |
f86702cc | 2952 | else |
4fdae800 | 2953 | STATUS_NATIVE_SET(vaxc$errno); |
f86702cc | 2954 | } |
2955 | #else | |
2956 | if (errno & 255) | |
2957 | STATUS_POSIX_SET(errno); | |
2958 | else if (STATUS_POSIX == 0) | |
2959 | STATUS_POSIX_SET(255); | |
2960 | #endif | |
2961 | my_exit_jump(); | |
93a17b20 LW |
2962 | } |
2963 | ||
f86702cc | 2964 | static void |
8ac85365 | 2965 | my_exit_jump(void) |
f86702cc | 2966 | { |
e858de61 | 2967 | dTHR; |
c09156bb | 2968 | register PERL_CONTEXT *cx; |
f86702cc | 2969 | I32 gimme; |
2970 | SV **newsp; | |
2971 | ||
2972 | if (e_tmpname) { | |
2973 | if (e_fp) { | |
2974 | PerlIO_close(e_fp); | |
2975 | e_fp = Nullfp; | |
2976 | } | |
2977 | (void)UNLINK(e_tmpname); | |
2978 | Safefree(e_tmpname); | |
2979 | e_tmpname = Nullch; | |
2980 | } | |
2981 | ||
2982 | if (cxstack_ix >= 0) { | |
2983 | if (cxstack_ix > 0) | |
2984 | dounwind(0); | |
2985 | POPBLOCK(cx,curpm); | |
2986 | LEAVE; | |
2987 | } | |
ff0cee69 | 2988 | |
54310121 | 2989 | JMPENV_JUMP(2); |
f86702cc | 2990 | } |
4e35701f | 2991 | |
aeea060c | 2992 | |
22239a37 | 2993 |