Commit | Line | Data |
---|---|---|
a0d0e21e LW |
1 | /* perl.c |
2 | * | |
9607fc9c | 3 | * Copyright (c) 1987-1997 Larry Wall |
a687059c | 4 | * |
352d5a3a LW |
5 | * You may distribute under the terms of either the GNU General Public |
6 | * License or the Artistic License, as specified in the README file. | |
a687059c | 7 | * |
8d063cd8 LW |
8 | */ |
9 | ||
a0d0e21e LW |
10 | /* |
11 | * "A ship then new they built for him/of mithril and of elven glass" --Bilbo | |
12 | */ | |
45d8adaa | 13 | |
378cc40b LW |
14 | #include "EXTERN.h" |
15 | #include "perl.h" | |
a687059c | 16 | #include "patchlevel.h" |
378cc40b | 17 | |
df5cef82 | 18 | /* XXX If this causes problems, set i_unistd=undef in the hint file. */ |
a0d0e21e LW |
19 | #ifdef I_UNISTD |
20 | #include <unistd.h> | |
21 | #endif | |
a0d0e21e | 22 | |
54310121 | 23 | #if !defined(STANDARD_C) && !defined(HAS_GETENV_PROTOTYPE) |
24 | char *getenv _((char *)); /* Usually in <stdlib.h> */ | |
25 | #endif | |
26 | ||
71be2cbc | 27 | dEXTCONST char rcsid[] = "perl.c\nPatch level: ###\n"; |
463ee0b2 | 28 | |
a687059c LW |
29 | #ifdef IAMSUID |
30 | #ifndef DOSUID | |
31 | #define DOSUID | |
32 | #endif | |
33 | #endif | |
378cc40b | 34 | |
a687059c LW |
35 | #ifdef SETUID_SCRIPTS_ARE_SECURE_NOW |
36 | #ifdef DOSUID | |
37 | #undef DOSUID | |
38 | #endif | |
39 | #endif | |
8d063cd8 | 40 | |
8ebc5c01 | 41 | #define I_REINIT \ |
42 | STMT_START { \ | |
43 | chopset = " \n-"; \ | |
44 | copline = NOLINE; \ | |
45 | curcop = &compiling; \ | |
46 | curcopdb = NULL; \ | |
47 | cxstack_ix = -1; \ | |
48 | cxstack_max = 128; \ | |
49 | dbargs = 0; \ | |
50 | dlmax = 128; \ | |
51 | laststatval = -1; \ | |
52 | laststype = OP_STAT; \ | |
53 | maxscream = -1; \ | |
54 | maxsysfd = MAXSYSFD; \ | |
55 | statname = Nullsv; \ | |
56 | tmps_floor = -1; \ | |
57 | tmps_ix = -1; \ | |
58 | op_mask = NULL; \ | |
59 | dlmax = 128; \ | |
60 | laststatval = -1; \ | |
61 | laststype = OP_STAT; \ | |
46fc3d4c | 62 | mess_sv = Nullsv; \ |
8ebc5c01 | 63 | } STMT_END |
64 | ||
a0d0e21e | 65 | static void find_beginning _((void)); |
bbce6d69 | 66 | static void forbid_setid _((char *)); |
774d564b | 67 | static void incpush _((char *, int)); |
748a9306 | 68 | static void init_ids _((void)); |
a0d0e21e LW |
69 | static void init_debugger _((void)); |
70 | static void init_lexer _((void)); | |
71 | static void init_main_stash _((void)); | |
72 | static void init_perllib _((void)); | |
73 | static void init_postdump_symbols _((int, char **, char **)); | |
74 | static void init_predump_symbols _((void)); | |
f86702cc | 75 | static void my_exit_jump _((void)) __attribute__((noreturn)); |
6e72f9df | 76 | static void nuke_stacks _((void)); |
a0d0e21e | 77 | static void open_script _((char *, bool, SV *)); |
ab821d7f | 78 | static void usage _((char *)); |
96436eeb | 79 | static void validate_suid _((char *, char*)); |
80 | ||
81 | static int fdscript = -1; | |
79072805 | 82 | |
77a005ab MB |
83 | #if defined(DEBUGGING) && defined(USE_THREADS) && defined(__linux__) |
84 | #include <asm/sigcontext.h> | |
85 | static void | |
86 | catch_sigsegv(int signo, struct sigcontext_struct sc) | |
87 | { | |
88 | signal(SIGSEGV, SIG_DFL); | |
89 | fprintf(stderr, "Segmentation fault dereferencing 0x%lx\n" | |
90 | "return_address = 0x%lx, eip = 0x%lx\n", | |
91 | sc.cr2, __builtin_return_address(0), sc.eip); | |
92 | fprintf(stderr, "thread = 0x%lx\n", (unsigned long)THR); | |
93 | } | |
94 | #endif | |
95 | ||
93a17b20 | 96 | PerlInterpreter * |
79072805 LW |
97 | perl_alloc() |
98 | { | |
93a17b20 | 99 | PerlInterpreter *sv_interp; |
79072805 | 100 | |
8990e307 | 101 | curinterp = 0; |
93a17b20 | 102 | New(53, sv_interp, 1, PerlInterpreter); |
79072805 LW |
103 | return sv_interp; |
104 | } | |
105 | ||
106 | void | |
107 | perl_construct( sv_interp ) | |
93a17b20 | 108 | register PerlInterpreter *sv_interp; |
79072805 | 109 | { |
0f15f207 | 110 | #if defined(USE_THREADS) && !defined(FAKE_THREADS) |
11343788 | 111 | struct thread *thr; |
0f15f207 | 112 | #endif |
11343788 | 113 | |
79072805 LW |
114 | if (!(curinterp = sv_interp)) |
115 | return; | |
116 | ||
8990e307 | 117 | #ifdef MULTIPLICITY |
93a17b20 | 118 | Zero(sv_interp, 1, PerlInterpreter); |
8990e307 | 119 | #endif |
79072805 | 120 | |
33f46ff6 | 121 | /* Init the real globals (and main thread)? */ |
c116a00c | 122 | if (!linestr) { |
11343788 | 123 | #ifdef USE_THREADS |
8023c3ce MB |
124 | XPV *xpv; |
125 | ||
33f46ff6 | 126 | INIT_THREADS; |
c116a00c MB |
127 | New(53, thr, 1, struct thread); |
128 | MUTEX_INIT(&malloc_mutex); | |
129 | MUTEX_INIT(&sv_mutex); | |
8023c3ce | 130 | /* Safe to use SVs from now on */ |
c116a00c MB |
131 | MUTEX_INIT(&eval_mutex); |
132 | COND_INIT(&eval_cond); | |
33f46ff6 | 133 | MUTEX_INIT(&threads_mutex); |
c116a00c MB |
134 | COND_INIT(&nthreads_cond); |
135 | nthreads = 1; | |
136 | cvcache = newHV(); | |
c116a00c | 137 | curcop = &compiling; |
605e5515 MB |
138 | thr->flags = THRf_R_JOINABLE; |
139 | MUTEX_INIT(&thr->mutex); | |
33f46ff6 MB |
140 | thr->next = thr; |
141 | thr->prev = thr; | |
33f46ff6 | 142 | thr->tid = 0; |
8023c3ce MB |
143 | |
144 | /* Handcraft thrsv similarly to mess_sv */ | |
145 | New(53, thrsv, 1, SV); | |
146 | Newz(53, xpv, 1, XPV); | |
147 | SvFLAGS(thrsv) = SVt_PV; | |
148 | SvANY(thrsv) = (void*)xpv; | |
149 | SvREFCNT(thrsv) = 1 << 30; /* practically infinite */ | |
150 | SvPVX(thrsv) = (char*)thr; | |
151 | SvCUR_set(thrsv, sizeof(thr)); | |
152 | SvLEN_set(thrsv, sizeof(thr)); | |
153 | *SvEND(thrsv) = '\0'; /* in the trailing_nul field */ | |
154 | oursv = thrsv; | |
c7848ba1 MB |
155 | #ifdef HAVE_THREAD_INTERN |
156 | init_thread_intern(thr); | |
0f15f207 | 157 | #else |
c116a00c | 158 | self = pthread_self(); |
33f46ff6 | 159 | if (pthread_key_create(&thr_key, 0)) |
c116a00c MB |
160 | croak("panic: pthread_key_create"); |
161 | if (pthread_setspecific(thr_key, (void *) thr)) | |
162 | croak("panic: pthread_setspecific"); | |
163 | #endif /* FAKE_THREADS */ | |
11343788 MB |
164 | #endif /* USE_THREADS */ |
165 | ||
79072805 | 166 | linestr = NEWSV(65,80); |
ed6116ce | 167 | sv_upgrade(linestr,SVt_PVIV); |
79072805 | 168 | |
6e72f9df | 169 | if (!SvREADONLY(&sv_undef)) { |
170 | SvREADONLY_on(&sv_undef); | |
79072805 | 171 | |
6e72f9df | 172 | sv_setpv(&sv_no,No); |
173 | SvNV(&sv_no); | |
174 | SvREADONLY_on(&sv_no); | |
79072805 | 175 | |
6e72f9df | 176 | sv_setpv(&sv_yes,Yes); |
177 | SvNV(&sv_yes); | |
178 | SvREADONLY_on(&sv_yes); | |
179 | } | |
79072805 | 180 | |
c07a80fd | 181 | nrs = newSVpv("\n", 1); |
182 | rs = SvREFCNT_inc(nrs); | |
183 | ||
c23142e2 | 184 | sighandlerp = sighandler; |
44a8e56a | 185 | pidstatus = newHV(); |
186 | ||
79072805 LW |
187 | #ifdef MSDOS |
188 | /* | |
189 | * There is no way we can refer to them from Perl so close them to save | |
190 | * space. The other alternative would be to provide STDAUX and STDPRN | |
191 | * filehandles. | |
192 | */ | |
193 | (void)fclose(stdaux); | |
194 | (void)fclose(stdprn); | |
195 | #endif | |
196 | } | |
197 | ||
8990e307 | 198 | #ifdef MULTIPLICITY |
8ebc5c01 | 199 | I_REINIT; |
200 | perl_destruct_level = 1; | |
201 | #else | |
202 | if(perl_destruct_level > 0) | |
203 | I_REINIT; | |
79072805 LW |
204 | #endif |
205 | ||
748a9306 | 206 | init_ids(); |
fb73857a | 207 | lex_state = LEX_NOTPARSING; |
a5f75d66 | 208 | |
54310121 | 209 | start_env.je_prev = NULL; |
210 | start_env.je_ret = -1; | |
211 | start_env.je_mustcatch = TRUE; | |
212 | top_env = &start_env; | |
f86702cc | 213 | STATUS_ALL_SUCCESS; |
214 | ||
36477c24 | 215 | SET_NUMERIC_STANDARD(); |
a5f75d66 | 216 | #if defined(SUBVERSION) && SUBVERSION > 0 |
e2666263 | 217 | sprintf(patchlevel, "%7.5f", (double) 5 |
218 | + ((double) PATCHLEVEL / (double) 1000) | |
219 | + ((double) SUBVERSION / (double) 100000)); | |
a5f75d66 | 220 | #else |
e2666263 | 221 | sprintf(patchlevel, "%5.3f", (double) 5 + |
222 | ((double) PATCHLEVEL / (double) 1000)); | |
a5f75d66 | 223 | #endif |
79072805 | 224 | |
ab821d7f | 225 | #if defined(LOCAL_PATCH_COUNT) |
6e72f9df | 226 | localpatches = local_patches; /* For possible -v */ |
ab821d7f | 227 | #endif |
228 | ||
760ac839 LW |
229 | PerlIO_init(); /* Hook to IO system */ |
230 | ||
79072805 | 231 | fdpid = newAV(); /* for remembering popen pids by fd */ |
8990e307 | 232 | |
11343788 MB |
233 | init_stacks(ARGS); |
234 | DEBUG( { | |
235 | New(51,debname,128,char); | |
236 | New(52,debdelim,128,char); | |
237 | } ) | |
238 | ||
8990e307 | 239 | ENTER; |
79072805 LW |
240 | } |
241 | ||
242 | void | |
748a9306 | 243 | perl_destruct(sv_interp) |
93a17b20 | 244 | register PerlInterpreter *sv_interp; |
79072805 | 245 | { |
11343788 | 246 | dTHR; |
748a9306 | 247 | int destruct_level; /* 0=none, 1=full, 2=full with checks */ |
8990e307 | 248 | I32 last_sv_count; |
a0d0e21e | 249 | HV *hv; |
1f2bfc8a | 250 | #ifdef USE_THREADS |
33f46ff6 | 251 | Thread t; |
1f2bfc8a | 252 | #endif /* USE_THREADS */ |
8990e307 | 253 | |
79072805 LW |
254 | if (!(curinterp = sv_interp)) |
255 | return; | |
748a9306 | 256 | |
11343788 | 257 | #ifdef USE_THREADS |
0f15f207 | 258 | #ifndef FAKE_THREADS |
8023c3ce MB |
259 | /* Pass 1 on any remaining threads: detach joinables, join zombies */ |
260 | retry_cleanup: | |
33f46ff6 MB |
261 | MUTEX_LOCK(&threads_mutex); |
262 | DEBUG_L(PerlIO_printf(PerlIO_stderr(), | |
c7848ba1 | 263 | "perl_destruct: waiting for %d threads...\n", |
33f46ff6 MB |
264 | nthreads - 1)); |
265 | for (t = thr->next; t != thr; t = t->next) { | |
605e5515 MB |
266 | MUTEX_LOCK(&t->mutex); |
267 | switch (ThrSTATE(t)) { | |
268 | AV *av; | |
c7848ba1 MB |
269 | case THRf_ZOMBIE: |
270 | DEBUG_L(PerlIO_printf(PerlIO_stderr(), | |
271 | "perl_destruct: joining zombie %p\n", t)); | |
605e5515 MB |
272 | ThrSETSTATE(t, THRf_DEAD); |
273 | MUTEX_UNLOCK(&t->mutex); | |
274 | nthreads--; | |
8023c3ce MB |
275 | /* |
276 | * The SvREFCNT_dec below may take a long time (e.g. av | |
277 | * may contain an object scalar whose destructor gets | |
278 | * called) so we have to unlock threads_mutex and start | |
279 | * all over again. | |
280 | */ | |
605e5515 MB |
281 | MUTEX_UNLOCK(&threads_mutex); |
282 | if (pthread_join(t->Tself, (void**)&av)) | |
283 | croak("panic: pthread_join failed during global destruction"); | |
284 | SvREFCNT_dec((SV*)av); | |
c7848ba1 MB |
285 | DEBUG_L(PerlIO_printf(PerlIO_stderr(), |
286 | "perl_destruct: joined zombie %p OK\n", t)); | |
8023c3ce | 287 | goto retry_cleanup; |
c7848ba1 MB |
288 | case THRf_R_JOINABLE: |
289 | DEBUG_L(PerlIO_printf(PerlIO_stderr(), | |
290 | "perl_destruct: detaching thread %p\n", t)); | |
291 | ThrSETSTATE(t, THRf_R_DETACHED); | |
292 | /* | |
293 | * We unlock threads_mutex and t->mutex in the opposite order | |
294 | * from which we locked them just so that DETACH won't | |
295 | * deadlock if it panics. It's only a breach of good style | |
296 | * not a bug since they are unlocks not locks. | |
297 | */ | |
298 | MUTEX_UNLOCK(&threads_mutex); | |
299 | DETACH(t); | |
300 | MUTEX_UNLOCK(&t->mutex); | |
8023c3ce | 301 | goto retry_cleanup; |
c7848ba1 MB |
302 | default: |
303 | DEBUG_L(PerlIO_printf(PerlIO_stderr(), | |
304 | "perl_destruct: ignoring %p (state %u)\n", | |
305 | t, ThrSTATE(t))); | |
306 | MUTEX_UNLOCK(&t->mutex); | |
c7848ba1 | 307 | /* fall through and out */ |
33f46ff6 MB |
308 | } |
309 | } | |
8023c3ce MB |
310 | /* We leave the above "Pass 1" loop with threads_mutex still locked */ |
311 | ||
312 | /* Pass 2 on remaining threads: wait for the thread count to drop to one */ | |
11343788 MB |
313 | while (nthreads > 1) |
314 | { | |
33f46ff6 | 315 | DEBUG_L(PerlIO_printf(PerlIO_stderr(), |
c7848ba1 | 316 | "perl_destruct: final wait for %d threads\n", |
33f46ff6 MB |
317 | nthreads - 1)); |
318 | COND_WAIT(&nthreads_cond, &threads_mutex); | |
11343788 MB |
319 | } |
320 | /* At this point, we're the last thread */ | |
33f46ff6 | 321 | MUTEX_UNLOCK(&threads_mutex); |
d9f997d7 | 322 | DEBUG_L(PerlIO_printf(PerlIO_stderr(), "perl_destruct: armageddon has arrived\n")); |
33f46ff6 | 323 | MUTEX_DESTROY(&threads_mutex); |
11343788 | 324 | COND_DESTROY(&nthreads_cond); |
0f15f207 | 325 | #endif /* !defined(FAKE_THREADS) */ |
11343788 MB |
326 | #endif /* USE_THREADS */ |
327 | ||
748a9306 | 328 | destruct_level = perl_destruct_level; |
4633a7c4 LW |
329 | #ifdef DEBUGGING |
330 | { | |
331 | char *s; | |
5f05dabc | 332 | if (s = getenv("PERL_DESTRUCT_LEVEL")) { |
333 | int i = atoi(s); | |
334 | if (destruct_level < i) | |
335 | destruct_level = i; | |
336 | } | |
4633a7c4 LW |
337 | } |
338 | #endif | |
339 | ||
8990e307 | 340 | LEAVE; |
a0d0e21e LW |
341 | FREETMPS; |
342 | ||
ff0cee69 | 343 | /* We must account for everything. */ |
344 | ||
345 | /* Destroy the main CV and syntax tree */ | |
6e72f9df | 346 | if (main_root) { |
347 | curpad = AvARRAY(comppad); | |
348 | op_free(main_root); | |
ff0cee69 | 349 | main_root = Nullop; |
a0d0e21e | 350 | } |
ff0cee69 | 351 | main_start = Nullop; |
352 | SvREFCNT_dec(main_cv); | |
353 | main_cv = Nullcv; | |
354 | ||
a0d0e21e LW |
355 | if (sv_objcount) { |
356 | /* | |
357 | * Try to destruct global references. We do this first so that the | |
358 | * destructors and destructees still exist. Some sv's might remain. | |
359 | * Non-referenced objects are on their own. | |
360 | */ | |
361 | ||
362 | dirty = TRUE; | |
363 | sv_clean_objs(); | |
8990e307 LW |
364 | } |
365 | ||
5cd24f17 | 366 | /* unhook hooks which will soon be, or use, destroyed data */ |
367 | SvREFCNT_dec(warnhook); | |
368 | warnhook = Nullsv; | |
369 | SvREFCNT_dec(diehook); | |
370 | diehook = Nullsv; | |
371 | SvREFCNT_dec(parsehook); | |
372 | parsehook = Nullsv; | |
373 | ||
a0d0e21e | 374 | if (destruct_level == 0){ |
8990e307 | 375 | |
a0d0e21e LW |
376 | DEBUG_P(debprofdump()); |
377 | ||
378 | /* The exit() function will do everything that needs doing. */ | |
379 | return; | |
380 | } | |
5dd60ef7 | 381 | |
5f05dabc | 382 | /* loosen bonds of global variables */ |
383 | ||
8ebc5c01 | 384 | if(rsfp) { |
385 | (void)PerlIO_close(rsfp); | |
386 | rsfp = Nullfp; | |
387 | } | |
388 | ||
389 | /* Filters for program text */ | |
390 | SvREFCNT_dec(rsfp_filters); | |
391 | rsfp_filters = Nullav; | |
392 | ||
393 | /* switches */ | |
394 | preprocess = FALSE; | |
395 | minus_n = FALSE; | |
396 | minus_p = FALSE; | |
397 | minus_l = FALSE; | |
398 | minus_a = FALSE; | |
399 | minus_F = FALSE; | |
400 | doswitches = FALSE; | |
401 | dowarn = FALSE; | |
402 | doextract = FALSE; | |
403 | sawampersand = FALSE; /* must save all match strings */ | |
404 | sawstudy = FALSE; /* do fbm_instr on all strings */ | |
405 | sawvec = FALSE; | |
406 | unsafe = FALSE; | |
407 | ||
408 | Safefree(inplace); | |
409 | inplace = Nullch; | |
410 | ||
411 | Safefree(e_tmpname); | |
412 | e_tmpname = Nullch; | |
413 | ||
414 | if (e_fp) { | |
415 | PerlIO_close(e_fp); | |
416 | e_fp = Nullfp; | |
417 | } | |
418 | ||
419 | /* magical thingies */ | |
420 | ||
421 | Safefree(ofs); /* $, */ | |
422 | ofs = Nullch; | |
5f05dabc | 423 | |
8ebc5c01 | 424 | Safefree(ors); /* $\ */ |
425 | ors = Nullch; | |
426 | ||
427 | SvREFCNT_dec(nrs); /* $\ helper */ | |
5f05dabc | 428 | nrs = Nullsv; |
429 | ||
8ebc5c01 | 430 | multiline = 0; /* $* */ |
5f05dabc | 431 | |
8ebc5c01 | 432 | SvREFCNT_dec(statname); |
5f05dabc | 433 | statname = Nullsv; |
434 | statgv = Nullgv; | |
5f05dabc | 435 | |
8ebc5c01 | 436 | /* defgv, aka *_ should be taken care of elsewhere */ |
437 | ||
438 | #if 0 /* just about all regexp stuff, seems to be ok */ | |
439 | ||
440 | /* shortcuts to regexp stuff */ | |
441 | leftgv = Nullgv; | |
442 | ampergv = Nullgv; | |
443 | ||
444 | SAVEFREEOP(curpm); | |
445 | SAVEFREEOP(oldlastpm); /* for saving regexp context during debugger */ | |
446 | ||
447 | regprecomp = NULL; /* uncompiled string. */ | |
448 | regparse = NULL; /* Input-scan pointer. */ | |
449 | regxend = NULL; /* End of input for compile */ | |
450 | regnpar = 0; /* () count. */ | |
451 | regcode = NULL; /* Code-emit pointer; ®dummy = don't. */ | |
452 | regsize = 0; /* Code size. */ | |
453 | regnaughty = 0; /* How bad is this pattern? */ | |
454 | regsawback = 0; /* Did we see \1, ...? */ | |
455 | ||
456 | reginput = NULL; /* String-input pointer. */ | |
457 | regbol = NULL; /* Beginning of input, for ^ check. */ | |
458 | regeol = NULL; /* End of input, for $ check. */ | |
459 | regstartp = (char **)NULL; /* Pointer to startp array. */ | |
460 | regendp = (char **)NULL; /* Ditto for endp. */ | |
461 | reglastparen = 0; /* Similarly for lastparen. */ | |
462 | regtill = NULL; /* How far we are required to go. */ | |
463 | regflags = 0; /* are we folding, multilining? */ | |
464 | regprev = (char)NULL; /* char before regbol, \n if none */ | |
465 | ||
466 | #endif /* if 0 */ | |
467 | ||
468 | /* clean up after study() */ | |
469 | SvREFCNT_dec(lastscream); | |
470 | lastscream = Nullsv; | |
471 | Safefree(screamfirst); | |
472 | screamfirst = 0; | |
473 | Safefree(screamnext); | |
474 | screamnext = 0; | |
475 | ||
476 | /* startup and shutdown function lists */ | |
477 | SvREFCNT_dec(beginav); | |
478 | SvREFCNT_dec(endav); | |
77a005ab | 479 | SvREFCNT_dec(initav); |
5618dfe8 | 480 | beginav = Nullav; |
5618dfe8 | 481 | endav = Nullav; |
77a005ab | 482 | initav = Nullav; |
5618dfe8 | 483 | |
8ebc5c01 | 484 | /* temp stack during pp_sort() */ |
485 | SvREFCNT_dec(sortstack); | |
486 | sortstack = Nullav; | |
487 | ||
488 | /* shortcuts just get cleared */ | |
489 | envgv = Nullgv; | |
490 | siggv = Nullgv; | |
491 | incgv = Nullgv; | |
492 | errgv = Nullgv; | |
493 | argvgv = Nullgv; | |
494 | argvoutgv = Nullgv; | |
495 | stdingv = Nullgv; | |
496 | last_in_gv = Nullgv; | |
497 | ||
498 | /* reset so print() ends up where we expect */ | |
499 | setdefout(Nullgv); | |
500 | ||
a0d0e21e | 501 | /* Prepare to destruct main symbol table. */ |
5f05dabc | 502 | |
a0d0e21e | 503 | hv = defstash; |
85e6fe83 | 504 | defstash = 0; |
a0d0e21e LW |
505 | SvREFCNT_dec(hv); |
506 | ||
507 | FREETMPS; | |
508 | if (destruct_level >= 2) { | |
509 | if (scopestack_ix != 0) | |
ff0cee69 | 510 | warn("Unbalanced scopes: %ld more ENTERs than LEAVEs\n", |
511 | (long)scopestack_ix); | |
a0d0e21e | 512 | if (savestack_ix != 0) |
ff0cee69 | 513 | warn("Unbalanced saves: %ld more saves than restores\n", |
514 | (long)savestack_ix); | |
a0d0e21e | 515 | if (tmps_floor != -1) |
ff0cee69 | 516 | warn("Unbalanced tmps: %ld more allocs than frees\n", |
517 | (long)tmps_floor + 1); | |
a0d0e21e | 518 | if (cxstack_ix != -1) |
ff0cee69 | 519 | warn("Unbalanced context: %ld more PUSHes than POPs\n", |
520 | (long)cxstack_ix + 1); | |
a0d0e21e | 521 | } |
8990e307 LW |
522 | |
523 | /* Now absolutely destruct everything, somehow or other, loops or no. */ | |
8990e307 | 524 | last_sv_count = 0; |
6e72f9df | 525 | SvFLAGS(strtab) |= SVTYPEMASK; /* don't clean out strtab now */ |
8990e307 LW |
526 | while (sv_count != 0 && sv_count != last_sv_count) { |
527 | last_sv_count = sv_count; | |
528 | sv_clean_all(); | |
529 | } | |
6e72f9df | 530 | SvFLAGS(strtab) &= ~SVTYPEMASK; |
531 | SvFLAGS(strtab) |= SVt_PVHV; | |
532 | ||
533 | /* Destruct the global string table. */ | |
534 | { | |
535 | /* Yell and reset the HeVAL() slots that are still holding refcounts, | |
536 | * so that sv_free() won't fail on them. | |
537 | */ | |
538 | I32 riter; | |
539 | I32 max; | |
540 | HE *hent; | |
541 | HE **array; | |
542 | ||
543 | riter = 0; | |
544 | max = HvMAX(strtab); | |
545 | array = HvARRAY(strtab); | |
546 | hent = array[0]; | |
547 | for (;;) { | |
548 | if (hent) { | |
549 | warn("Unbalanced string table refcount: (%d) for \"%s\"", | |
550 | HeVAL(hent) - Nullsv, HeKEY(hent)); | |
551 | HeVAL(hent) = Nullsv; | |
552 | hent = HeNEXT(hent); | |
553 | } | |
554 | if (!hent) { | |
555 | if (++riter > max) | |
556 | break; | |
557 | hent = array[riter]; | |
558 | } | |
559 | } | |
560 | } | |
561 | SvREFCNT_dec(strtab); | |
562 | ||
8990e307 | 563 | if (sv_count != 0) |
ff0cee69 | 564 | warn("Scalars leaked: %ld\n", (long)sv_count); |
6e72f9df | 565 | |
4633a7c4 | 566 | sv_free_arenas(); |
44a8e56a | 567 | |
568 | /* No SVs have survived, need to clean out */ | |
569 | linestr = NULL; | |
570 | pidstatus = Nullhv; | |
6e72f9df | 571 | if (origfilename) |
572 | Safefree(origfilename); | |
573 | nuke_stacks(); | |
fc36a67e | 574 | hints = 0; /* Reset hints. Should hints be per-interpreter ? */ |
a0d0e21e LW |
575 | |
576 | DEBUG_P(debprofdump()); | |
11343788 MB |
577 | #ifdef USE_THREADS |
578 | MUTEX_DESTROY(&sv_mutex); | |
579 | MUTEX_DESTROY(&malloc_mutex); | |
580 | MUTEX_DESTROY(&eval_mutex); | |
c116a00c | 581 | COND_DESTROY(&eval_cond); |
fc36a67e | 582 | |
8023c3ce MB |
583 | /* As the penultimate thing, free the non-arena SV for thrsv */ |
584 | Safefree(SvPVX(thrsv)); | |
585 | Safefree(SvANY(thrsv)); | |
586 | Safefree(thrsv); | |
587 | thrsv = Nullsv; | |
588 | #endif /* USE_THREADS */ | |
589 | ||
fc36a67e | 590 | /* As the absolutely last thing, free the non-arena SV for mess() */ |
591 | ||
592 | if (mess_sv) { | |
593 | /* we know that type >= SVt_PV */ | |
594 | SvOOK_off(mess_sv); | |
595 | Safefree(SvPVX(mess_sv)); | |
596 | Safefree(SvANY(mess_sv)); | |
597 | Safefree(mess_sv); | |
598 | mess_sv = Nullsv; | |
599 | } | |
79072805 LW |
600 | } |
601 | ||
602 | void | |
603 | perl_free(sv_interp) | |
93a17b20 | 604 | PerlInterpreter *sv_interp; |
79072805 LW |
605 | { |
606 | if (!(curinterp = sv_interp)) | |
607 | return; | |
608 | Safefree(sv_interp); | |
609 | } | |
610 | ||
611 | int | |
a0d0e21e | 612 | perl_parse(sv_interp, xsinit, argc, argv, env) |
93a17b20 | 613 | PerlInterpreter *sv_interp; |
a0d0e21e LW |
614 | void (*xsinit)_((void)); |
615 | int argc; | |
616 | char **argv; | |
79072805 | 617 | char **env; |
8d063cd8 | 618 | { |
11343788 | 619 | dTHR; |
79072805 | 620 | register SV *sv; |
8d063cd8 | 621 | register char *s; |
1a30305b | 622 | char *scriptname = NULL; |
a0d0e21e | 623 | VOL bool dosearch = FALSE; |
13281fa4 | 624 | char *validarg = ""; |
2ae324a7 | 625 | I32 oldscope; |
748a9306 | 626 | AV* comppadlist; |
54310121 | 627 | dJMPENV; |
22921e25 | 628 | int ret; |
8d063cd8 | 629 | |
a687059c LW |
630 | #ifdef SETUID_SCRIPTS_ARE_SECURE_NOW |
631 | #ifdef IAMSUID | |
632 | #undef IAMSUID | |
463ee0b2 | 633 | croak("suidperl is no longer needed since the kernel can now execute\n\ |
a687059c LW |
634 | setuid perl scripts securely.\n"); |
635 | #endif | |
636 | #endif | |
637 | ||
79072805 LW |
638 | if (!(curinterp = sv_interp)) |
639 | return 255; | |
640 | ||
6e72f9df | 641 | #if defined(NeXT) && defined(__DYNAMIC__) |
642 | _dyld_lookup_and_bind | |
643 | ("__environ", (unsigned long *) &environ_pointer, NULL); | |
644 | #endif /* environ */ | |
645 | ||
ac58e20f LW |
646 | origargv = argv; |
647 | origargc = argc; | |
a0d0e21e | 648 | #ifndef VMS /* VMS doesn't have environ array */ |
fe14fcc3 | 649 | origenviron = environ; |
a0d0e21e | 650 | #endif |
ab821d7f | 651 | e_tmpname = Nullch; |
a0d0e21e LW |
652 | |
653 | if (do_undump) { | |
654 | ||
655 | /* Come here if running an undumped a.out. */ | |
656 | ||
657 | origfilename = savepv(argv[0]); | |
658 | do_undump = FALSE; | |
659 | cxstack_ix = -1; /* start label stack again */ | |
748a9306 | 660 | init_ids(); |
a0d0e21e LW |
661 | init_postdump_symbols(argc,argv,env); |
662 | return 0; | |
663 | } | |
664 | ||
ff0cee69 | 665 | if (main_root) { |
666 | curpad = AvARRAY(comppad); | |
a0d0e21e | 667 | op_free(main_root); |
ff0cee69 | 668 | main_root = Nullop; |
669 | } | |
670 | main_start = Nullop; | |
671 | SvREFCNT_dec(main_cv); | |
672 | main_cv = Nullcv; | |
79072805 | 673 | |
f86702cc | 674 | time(&basetime); |
2ae324a7 | 675 | oldscope = scopestack_ix; |
f86702cc | 676 | |
22921e25 CS |
677 | JMPENV_PUSH(ret); |
678 | switch (ret) { | |
79072805 | 679 | case 1: |
f86702cc | 680 | STATUS_ALL_FAILURE; |
681 | /* FALL THROUGH */ | |
79072805 | 682 | case 2: |
f86702cc | 683 | /* my_exit() was called */ |
2ae324a7 | 684 | while (scopestack_ix > oldscope) |
685 | LEAVE; | |
84902520 | 686 | FREETMPS; |
8990e307 LW |
687 | curstash = defstash; |
688 | if (endav) | |
68dc0745 | 689 | call_list(oldscope, endav); |
54310121 | 690 | JMPENV_POP; |
f86702cc | 691 | return STATUS_NATIVE_EXPORT; |
79072805 | 692 | case 3: |
54310121 | 693 | JMPENV_POP; |
760ac839 | 694 | PerlIO_printf(PerlIO_stderr(), "panic: top_env\n"); |
8990e307 | 695 | return 1; |
79072805 LW |
696 | } |
697 | ||
79072805 LW |
698 | sv_setpvn(linestr,"",0); |
699 | sv = newSVpv("",0); /* first used for -I flags */ | |
8990e307 | 700 | SAVEFREESV(sv); |
79072805 | 701 | init_main_stash(); |
54310121 | 702 | |
33b78306 | 703 | for (argc--,argv++; argc > 0; argc--,argv++) { |
8d063cd8 LW |
704 | if (argv[0][0] != '-' || !argv[0][1]) |
705 | break; | |
13281fa4 LW |
706 | #ifdef DOSUID |
707 | if (*validarg) | |
708 | validarg = " PHOOEY "; | |
709 | else | |
710 | validarg = argv[0]; | |
711 | #endif | |
712 | s = argv[0]+1; | |
8d063cd8 | 713 | reswitch: |
13281fa4 | 714 | switch (*s) { |
27e2fb84 | 715 | case '0': |
2304df62 | 716 | case 'F': |
378cc40b | 717 | case 'a': |
33b78306 | 718 | case 'c': |
a687059c | 719 | case 'd': |
8d063cd8 | 720 | case 'D': |
4633a7c4 | 721 | case 'h': |
33b78306 | 722 | case 'i': |
fe14fcc3 | 723 | case 'l': |
1a30305b | 724 | case 'M': |
725 | case 'm': | |
33b78306 LW |
726 | case 'n': |
727 | case 'p': | |
79072805 | 728 | case 's': |
33b78306 LW |
729 | case 'u': |
730 | case 'U': | |
731 | case 'v': | |
732 | case 'w': | |
733 | if (s = moreswitches(s)) | |
734 | goto reswitch; | |
8d063cd8 | 735 | break; |
33b78306 | 736 | |
f86702cc | 737 | case 'T': |
738 | tainting = TRUE; | |
739 | s++; | |
740 | goto reswitch; | |
741 | ||
8d063cd8 | 742 | case 'e': |
a687059c | 743 | if (euid != uid || egid != gid) |
463ee0b2 | 744 | croak("No -e allowed in setuid scripts"); |
8d063cd8 | 745 | if (!e_fp) { |
a0d0e21e | 746 | e_tmpname = savepv(TMPPATH); |
a687059c | 747 | (void)mktemp(e_tmpname); |
83025b21 | 748 | if (!*e_tmpname) |
463ee0b2 | 749 | croak("Can't mktemp()"); |
760ac839 | 750 | e_fp = PerlIO_open(e_tmpname,"w"); |
33b78306 | 751 | if (!e_fp) |
463ee0b2 | 752 | croak("Cannot open temporary file"); |
8d063cd8 | 753 | } |
552a7a9b | 754 | if (*++s) |
755 | PerlIO_puts(e_fp,s); | |
756 | else if (argv[1]) { | |
760ac839 | 757 | PerlIO_puts(e_fp,argv[1]); |
33b78306 LW |
758 | argc--,argv++; |
759 | } | |
552a7a9b | 760 | else |
761 | croak("No code specified for -e"); | |
760ac839 | 762 | (void)PerlIO_putc(e_fp,'\n'); |
8d063cd8 | 763 | break; |
fb73857a | 764 | case 'I': /* -I handled both here and in moreswitches() */ |
bbce6d69 | 765 | forbid_setid("-I"); |
fb73857a | 766 | if (!*++s && (s=argv[1]) != Nullch) { |
8d063cd8 | 767 | argc--,argv++; |
8d063cd8 | 768 | } |
fb73857a | 769 | while (s && isSPACE(*s)) |
770 | ++s; | |
771 | if (s && *s) { | |
772 | char *e, *p; | |
773 | for (e = s; *e && !isSPACE(*e); e++) ; | |
774 | p = savepvn(s, e-s); | |
775 | incpush(p, TRUE); | |
776 | sv_catpv(sv,"-I"); | |
777 | sv_catpv(sv,p); | |
778 | sv_catpv(sv," "); | |
779 | Safefree(p); | |
780 | } /* XXX else croak? */ | |
8d063cd8 | 781 | break; |
8d063cd8 | 782 | case 'P': |
bbce6d69 | 783 | forbid_setid("-P"); |
8d063cd8 | 784 | preprocess = TRUE; |
13281fa4 | 785 | s++; |
8d063cd8 | 786 | goto reswitch; |
378cc40b | 787 | case 'S': |
bbce6d69 | 788 | forbid_setid("-S"); |
378cc40b | 789 | dosearch = TRUE; |
13281fa4 | 790 | s++; |
378cc40b | 791 | goto reswitch; |
1a30305b | 792 | case 'V': |
793 | if (!preambleav) | |
794 | preambleav = newAV(); | |
795 | av_push(preambleav, newSVpv("use Config qw(myconfig config_vars)",0)); | |
796 | if (*++s != ':') { | |
6e72f9df | 797 | Sv = newSVpv("print myconfig();",0); |
798 | #ifdef VMS | |
799 | sv_catpv(Sv,"print \"\\nCharacteristics of this PERLSHR image: \\n\","); | |
800 | #else | |
801 | sv_catpv(Sv,"print \"\\nCharacteristics of this binary (from libperl): \\n\","); | |
802 | #endif | |
54310121 | 803 | #if defined(DEBUGGING) || defined(NO_EMBED) || defined(MULTIPLICITY) |
46fc3d4c | 804 | sv_catpv(Sv,"\" Compile-time options:"); |
6e72f9df | 805 | # ifdef DEBUGGING |
46fc3d4c | 806 | sv_catpv(Sv," DEBUGGING"); |
6e72f9df | 807 | # endif |
54310121 | 808 | # ifdef NO_EMBED |
46fc3d4c | 809 | sv_catpv(Sv," NO_EMBED"); |
6e72f9df | 810 | # endif |
811 | # ifdef MULTIPLICITY | |
46fc3d4c | 812 | sv_catpv(Sv," MULTIPLICITY"); |
6e72f9df | 813 | # endif |
46fc3d4c | 814 | sv_catpv(Sv,"\\n\","); |
6e72f9df | 815 | #endif |
816 | #if defined(LOCAL_PATCH_COUNT) | |
54310121 | 817 | if (LOCAL_PATCH_COUNT > 0) { |
818 | int i; | |
5cd24f17 | 819 | sv_catpv(Sv,"\" Locally applied patches:\\n\","); |
6e72f9df | 820 | for (i = 1; i <= LOCAL_PATCH_COUNT; i++) { |
46fc3d4c | 821 | if (localpatches[i]) |
822 | sv_catpvf(Sv,"\" \\t%s\\n\",",localpatches[i]); | |
6e72f9df | 823 | } |
824 | } | |
825 | #endif | |
46fc3d4c | 826 | sv_catpvf(Sv,"\" Built under %s\\n\"",OSNAME); |
6e72f9df | 827 | #ifdef __DATE__ |
828 | # ifdef __TIME__ | |
46fc3d4c | 829 | sv_catpvf(Sv,",\" Compiled at %s %s\\n\"",__DATE__,__TIME__); |
6e72f9df | 830 | # else |
46fc3d4c | 831 | sv_catpvf(Sv,",\" Compiled on %s\\n\"",__DATE__); |
6e72f9df | 832 | # endif |
6e72f9df | 833 | #endif |
54310121 | 834 | sv_catpv(Sv, "; \ |
835 | $\"=\"\\n \"; \ | |
836 | @env = map { \"$_=\\\"$ENV{$_}\\\"\" } sort grep {/^PERL/} keys %ENV; \ | |
837 | print \" \\%ENV:\\n @env\\n\" if @env; \ | |
838 | print \" \\@INC:\\n @INC\\n\";"); | |
1a30305b | 839 | } |
840 | else { | |
841 | Sv = newSVpv("config_vars(qw(",0); | |
842 | sv_catpv(Sv, ++s); | |
843 | sv_catpv(Sv, "))"); | |
844 | s += strlen(s); | |
845 | } | |
846 | av_push(preambleav, Sv); | |
c07a80fd | 847 | scriptname = BIT_BUCKET; /* don't look for script or read stdin */ |
1a30305b | 848 | goto reswitch; |
33b78306 LW |
849 | case 'x': |
850 | doextract = TRUE; | |
13281fa4 | 851 | s++; |
33b78306 | 852 | if (*s) |
a0d0e21e | 853 | cddir = savepv(s); |
33b78306 | 854 | break; |
8d063cd8 LW |
855 | case 0: |
856 | break; | |
fb73857a | 857 | case '-': |
858 | if (!*++s || isSPACE(*s)) { | |
859 | argc--,argv++; | |
860 | goto switch_end; | |
861 | } | |
862 | /* catch use of gnu style long options */ | |
863 | if (strEQ(s, "version")) { | |
864 | s = "v"; | |
865 | goto reswitch; | |
866 | } | |
867 | if (strEQ(s, "help")) { | |
868 | s = "h"; | |
869 | goto reswitch; | |
870 | } | |
871 | s--; | |
872 | /* FALL THROUGH */ | |
8d063cd8 | 873 | default: |
90248788 | 874 | croak("Unrecognized switch: -%s (-h will show valid options)",s); |
8d063cd8 LW |
875 | } |
876 | } | |
877 | switch_end: | |
54310121 | 878 | |
879 | if (!tainting && (s = getenv("PERL5OPT"))) { | |
fb73857a | 880 | while (s && *s) { |
54310121 | 881 | while (isSPACE(*s)) |
882 | s++; | |
883 | if (*s == '-') { | |
884 | s++; | |
885 | if (isSPACE(*s)) | |
886 | continue; | |
887 | } | |
888 | if (!*s) | |
889 | break; | |
890 | if (!strchr("DIMUdmw", *s)) | |
891 | croak("Illegal switch in PERL5OPT: -%c", *s); | |
892 | s = moreswitches(s); | |
893 | } | |
894 | } | |
895 | ||
1a30305b | 896 | if (!scriptname) |
897 | scriptname = argv[0]; | |
8d063cd8 | 898 | if (e_fp) { |
68dc0745 | 899 | if (PerlIO_flush(e_fp) || PerlIO_error(e_fp) || PerlIO_close(e_fp)) { |
900 | #ifndef MULTIPLICITY | |
901 | warn("Did you forget to compile with -DMULTIPLICITY?"); | |
902 | #endif | |
2304df62 | 903 | croak("Can't write to temp file for -e: %s", Strerror(errno)); |
68dc0745 | 904 | } |
ab821d7f | 905 | e_fp = Nullfp; |
8d063cd8 | 906 | argc++,argv--; |
45d8adaa | 907 | scriptname = e_tmpname; |
8d063cd8 | 908 | } |
79072805 LW |
909 | else if (scriptname == Nullch) { |
910 | #ifdef MSDOS | |
760ac839 | 911 | if ( isatty(PerlIO_fileno(PerlIO_stdin())) ) |
55497cff | 912 | moreswitches("h"); |
fe14fcc3 | 913 | #endif |
79072805 LW |
914 | scriptname = "-"; |
915 | } | |
fe14fcc3 | 916 | |
79072805 | 917 | init_perllib(); |
8d063cd8 | 918 | |
79072805 | 919 | open_script(scriptname,dosearch,sv); |
8d063cd8 | 920 | |
96436eeb | 921 | validate_suid(validarg, scriptname); |
378cc40b | 922 | |
79072805 LW |
923 | if (doextract) |
924 | find_beginning(); | |
925 | ||
4fdae800 | 926 | main_cv = compcv = (CV*)NEWSV(1104,0); |
748a9306 | 927 | sv_upgrade((SV *)compcv, SVt_PVCV); |
07055b4c | 928 | CvUNIQUE_on(compcv); |
748a9306 | 929 | |
6e72f9df | 930 | comppad = newAV(); |
79072805 LW |
931 | av_push(comppad, Nullsv); |
932 | curpad = AvARRAY(comppad); | |
6e72f9df | 933 | comppad_name = newAV(); |
8990e307 | 934 | comppad_name_fill = 0; |
e858de61 MB |
935 | min_intro_pending = 0; |
936 | padix = 0; | |
11343788 MB |
937 | #ifdef USE_THREADS |
938 | av_store(comppad_name, 0, newSVpv("@_", 2)); | |
e858de61 | 939 | curpad[0] = (SV*)newAV(); |
6d4ff0d2 | 940 | SvPADMY_on(curpad[0]); /* XXX Needed? */ |
e858de61 | 941 | CvOWNER(compcv) = 0; |
12ca11f6 | 942 | New(666, CvMUTEXP(compcv), 1, perl_mutex); |
e858de61 | 943 | MUTEX_INIT(CvMUTEXP(compcv)); |
11343788 | 944 | #endif /* USE_THREADS */ |
79072805 | 945 | |
748a9306 LW |
946 | comppadlist = newAV(); |
947 | AvREAL_off(comppadlist); | |
8e07c86e AD |
948 | av_store(comppadlist, 0, (SV*)comppad_name); |
949 | av_store(comppadlist, 1, (SV*)comppad); | |
748a9306 LW |
950 | CvPADLIST(compcv) = comppadlist; |
951 | ||
6e72f9df | 952 | boot_core_UNIVERSAL(); |
a0d0e21e LW |
953 | if (xsinit) |
954 | (*xsinit)(); /* in case linked C routines want magical variables */ | |
ad2e33dc | 955 | #if defined(VMS) || defined(WIN32) |
748a9306 LW |
956 | init_os_extras(); |
957 | #endif | |
93a17b20 | 958 | |
77a005ab MB |
959 | #if defined(DEBUGGING) && defined(USE_THREADS) && defined(__linux__) |
960 | DEBUG_L(signal(SIGSEGV, (void(*)(int))catch_sigsegv);); | |
961 | #endif | |
962 | ||
93a17b20 | 963 | init_predump_symbols(); |
8990e307 LW |
964 | if (!do_undump) |
965 | init_postdump_symbols(argc,argv,env); | |
93a17b20 | 966 | |
79072805 LW |
967 | init_lexer(); |
968 | ||
969 | /* now parse the script */ | |
970 | ||
971 | error_count = 0; | |
972 | if (yyparse() || error_count) { | |
973 | if (minus_c) | |
463ee0b2 | 974 | croak("%s had compilation errors.\n", origfilename); |
79072805 | 975 | else { |
463ee0b2 | 976 | croak("Execution of %s aborted due to compilation errors.\n", |
79072805 | 977 | origfilename); |
378cc40b | 978 | } |
79072805 LW |
979 | } |
980 | curcop->cop_line = 0; | |
981 | curstash = defstash; | |
982 | preprocess = FALSE; | |
ab821d7f | 983 | if (e_tmpname) { |
79072805 | 984 | (void)UNLINK(e_tmpname); |
ab821d7f | 985 | Safefree(e_tmpname); |
986 | e_tmpname = Nullch; | |
378cc40b | 987 | } |
a687059c | 988 | |
93a17b20 | 989 | /* now that script is parsed, we can modify record separator */ |
c07a80fd | 990 | SvREFCNT_dec(rs); |
991 | rs = SvREFCNT_inc(nrs); | |
992 | sv_setsv(GvSV(gv_fetchpv("/", TRUE, SVt_PV)), rs); | |
45d8adaa | 993 | |
79072805 LW |
994 | if (do_undump) |
995 | my_unexec(); | |
996 | ||
8990e307 LW |
997 | if (dowarn) |
998 | gv_check(defstash); | |
999 | ||
a0d0e21e LW |
1000 | LEAVE; |
1001 | FREETMPS; | |
c07a80fd | 1002 | |
3562ef9b | 1003 | #ifdef MYMALLOC |
c07a80fd | 1004 | if ((s=getenv("PERL_DEBUG_MSTATS")) && atoi(s) >= 2) |
1005 | dump_mstats("after compilation:"); | |
1006 | #endif | |
1007 | ||
a0d0e21e LW |
1008 | ENTER; |
1009 | restartop = 0; | |
54310121 | 1010 | JMPENV_POP; |
79072805 LW |
1011 | return 0; |
1012 | } | |
1013 | ||
1014 | int | |
1015 | perl_run(sv_interp) | |
93a17b20 | 1016 | PerlInterpreter *sv_interp; |
79072805 | 1017 | { |
11343788 | 1018 | dTHR; |
2ae324a7 | 1019 | I32 oldscope; |
22921e25 CS |
1020 | dJMPENV; |
1021 | int ret; | |
2ae324a7 | 1022 | |
79072805 LW |
1023 | if (!(curinterp = sv_interp)) |
1024 | return 255; | |
2ae324a7 | 1025 | |
1026 | oldscope = scopestack_ix; | |
1027 | ||
22921e25 CS |
1028 | JMPENV_PUSH(ret); |
1029 | switch (ret) { | |
79072805 LW |
1030 | case 1: |
1031 | cxstack_ix = -1; /* start context stack again */ | |
1032 | break; | |
1033 | case 2: | |
f86702cc | 1034 | /* my_exit() was called */ |
2ae324a7 | 1035 | while (scopestack_ix > oldscope) |
1036 | LEAVE; | |
84902520 | 1037 | FREETMPS; |
79072805 | 1038 | curstash = defstash; |
93a17b20 | 1039 | if (endav) |
68dc0745 | 1040 | call_list(oldscope, endav); |
3562ef9b | 1041 | #ifdef MYMALLOC |
c07a80fd | 1042 | if (getenv("PERL_DEBUG_MSTATS")) |
1043 | dump_mstats("after execution: "); | |
1044 | #endif | |
54310121 | 1045 | JMPENV_POP; |
f86702cc | 1046 | return STATUS_NATIVE_EXPORT; |
79072805 LW |
1047 | case 3: |
1048 | if (!restartop) { | |
760ac839 | 1049 | PerlIO_printf(PerlIO_stderr(), "panic: restartop\n"); |
a0d0e21e | 1050 | FREETMPS; |
54310121 | 1051 | JMPENV_POP; |
8990e307 | 1052 | return 1; |
83025b21 | 1053 | } |
6e72f9df | 1054 | if (curstack != mainstack) { |
79072805 | 1055 | dSP; |
6e72f9df | 1056 | SWITCHSTACK(curstack, mainstack); |
79072805 LW |
1057 | } |
1058 | break; | |
8d063cd8 | 1059 | } |
79072805 | 1060 | |
fb73857a | 1061 | DEBUG_r(PerlIO_printf(Perl_debug_log, "%s $` $& $' support.\n", |
6e72f9df | 1062 | sawampersand ? "Enabling" : "Omitting")); |
1063 | ||
79072805 LW |
1064 | if (!restartop) { |
1065 | DEBUG_x(dump_all()); | |
760ac839 | 1066 | DEBUG(PerlIO_printf(Perl_debug_log, "\nEXECUTING...\n\n")); |
11343788 | 1067 | #ifdef USE_THREADS |
5dc0d613 MB |
1068 | DEBUG_L(PerlIO_printf(Perl_debug_log, "main thread is 0x%lx\n", |
1069 | (unsigned long) thr)); | |
11343788 | 1070 | #endif /* USE_THREADS */ |
79072805 LW |
1071 | |
1072 | if (minus_c) { | |
760ac839 | 1073 | PerlIO_printf(PerlIO_stderr(), "%s syntax OK\n", origfilename); |
79072805 LW |
1074 | my_exit(0); |
1075 | } | |
84902520 | 1076 | if (PERLDB_SINGLE && DBsingle) |
a0d0e21e | 1077 | sv_setiv(DBsingle, 1); |
7d07dbc2 MB |
1078 | if (initav) |
1079 | call_list(oldscope, initav); | |
45d8adaa | 1080 | } |
79072805 LW |
1081 | |
1082 | /* do it */ | |
1083 | ||
1084 | if (restartop) { | |
1085 | op = restartop; | |
1086 | restartop = 0; | |
ab821d7f | 1087 | runops(); |
79072805 LW |
1088 | } |
1089 | else if (main_start) { | |
4fdae800 | 1090 | CvDEPTH(main_cv) = 1; |
79072805 | 1091 | op = main_start; |
ab821d7f | 1092 | runops(); |
79072805 | 1093 | } |
79072805 LW |
1094 | |
1095 | my_exit(0); | |
54310121 | 1096 | /* NOTREACHED */ |
a0d0e21e | 1097 | return 0; |
79072805 LW |
1098 | } |
1099 | ||
a0d0e21e LW |
1100 | SV* |
1101 | perl_get_sv(name, create) | |
1102 | char* name; | |
1103 | I32 create; | |
1104 | { | |
1105 | GV* gv = gv_fetchpv(name, create, SVt_PV); | |
1106 | if (gv) | |
1107 | return GvSV(gv); | |
1108 | return Nullsv; | |
1109 | } | |
1110 | ||
1111 | AV* | |
1112 | perl_get_av(name, create) | |
1113 | char* name; | |
1114 | I32 create; | |
1115 | { | |
1116 | GV* gv = gv_fetchpv(name, create, SVt_PVAV); | |
1117 | if (create) | |
1118 | return GvAVn(gv); | |
1119 | if (gv) | |
1120 | return GvAV(gv); | |
1121 | return Nullav; | |
1122 | } | |
1123 | ||
1124 | HV* | |
1125 | perl_get_hv(name, create) | |
1126 | char* name; | |
1127 | I32 create; | |
1128 | { | |
1129 | GV* gv = gv_fetchpv(name, create, SVt_PVHV); | |
1130 | if (create) | |
1131 | return GvHVn(gv); | |
1132 | if (gv) | |
1133 | return GvHV(gv); | |
1134 | return Nullhv; | |
1135 | } | |
1136 | ||
1137 | CV* | |
1138 | perl_get_cv(name, create) | |
1139 | char* name; | |
1140 | I32 create; | |
1141 | { | |
1142 | GV* gv = gv_fetchpv(name, create, SVt_PVCV); | |
8ebc5c01 | 1143 | if (create && !GvCVu(gv)) |
774d564b | 1144 | return newSUB(start_subparse(FALSE, 0), |
a0d0e21e | 1145 | newSVOP(OP_CONST, 0, newSVpv(name,0)), |
4633a7c4 | 1146 | Nullop, |
a0d0e21e LW |
1147 | Nullop); |
1148 | if (gv) | |
8ebc5c01 | 1149 | return GvCVu(gv); |
a0d0e21e LW |
1150 | return Nullcv; |
1151 | } | |
1152 | ||
79072805 LW |
1153 | /* Be sure to refetch the stack pointer after calling these routines. */ |
1154 | ||
a0d0e21e LW |
1155 | I32 |
1156 | perl_call_argv(subname, flags, argv) | |
8990e307 | 1157 | char *subname; |
a0d0e21e LW |
1158 | I32 flags; /* See G_* flags in cop.h */ |
1159 | register char **argv; /* null terminated arg list */ | |
8990e307 | 1160 | { |
11343788 | 1161 | dTHR; |
a0d0e21e | 1162 | dSP; |
8990e307 | 1163 | |
a0d0e21e LW |
1164 | PUSHMARK(sp); |
1165 | if (argv) { | |
8990e307 | 1166 | while (*argv) { |
a0d0e21e | 1167 | XPUSHs(sv_2mortal(newSVpv(*argv,0))); |
8990e307 LW |
1168 | argv++; |
1169 | } | |
a0d0e21e | 1170 | PUTBACK; |
8990e307 | 1171 | } |
a0d0e21e | 1172 | return perl_call_pv(subname, flags); |
8990e307 LW |
1173 | } |
1174 | ||
a0d0e21e LW |
1175 | I32 |
1176 | perl_call_pv(subname, flags) | |
1177 | char *subname; /* name of the subroutine */ | |
1178 | I32 flags; /* See G_* flags in cop.h */ | |
1179 | { | |
1180 | return perl_call_sv((SV*)perl_get_cv(subname, TRUE), flags); | |
1181 | } | |
1182 | ||
1183 | I32 | |
1184 | perl_call_method(methname, flags) | |
1185 | char *methname; /* name of the subroutine */ | |
1186 | I32 flags; /* See G_* flags in cop.h */ | |
1187 | { | |
11343788 | 1188 | dTHR; |
a0d0e21e LW |
1189 | dSP; |
1190 | OP myop; | |
1191 | if (!op) | |
1192 | op = &myop; | |
1193 | XPUSHs(sv_2mortal(newSVpv(methname,0))); | |
1194 | PUTBACK; | |
11343788 | 1195 | pp_method(ARGS); |
a0d0e21e LW |
1196 | return perl_call_sv(*stack_sp--, flags); |
1197 | } | |
1198 | ||
1199 | /* May be called with any of a CV, a GV, or an SV containing the name. */ | |
1200 | I32 | |
1201 | perl_call_sv(sv, flags) | |
1202 | SV* sv; | |
1203 | I32 flags; /* See G_* flags in cop.h */ | |
1204 | { | |
11343788 | 1205 | dTHR; |
a0d0e21e LW |
1206 | LOGOP myop; /* fake syntax tree node */ |
1207 | SV** sp = stack_sp; | |
aa689395 | 1208 | I32 oldmark; |
a0d0e21e | 1209 | I32 retval; |
a0d0e21e | 1210 | I32 oldscope; |
6e72f9df | 1211 | static CV *DBcv; |
54310121 | 1212 | bool oldcatch = CATCH_GET; |
1213 | dJMPENV; | |
22921e25 | 1214 | int ret; |
d6602a8c | 1215 | OP* oldop = op; |
1e422769 | 1216 | |
a0d0e21e LW |
1217 | if (flags & G_DISCARD) { |
1218 | ENTER; | |
1219 | SAVETMPS; | |
1220 | } | |
1221 | ||
aa689395 | 1222 | Zero(&myop, 1, LOGOP); |
54310121 | 1223 | myop.op_next = Nullop; |
f51d4af5 | 1224 | if (!(flags & G_NOARGS)) |
aa689395 | 1225 | myop.op_flags |= OPf_STACKED; |
54310121 | 1226 | myop.op_flags |= ((flags & G_VOID) ? OPf_WANT_VOID : |
1227 | (flags & G_ARRAY) ? OPf_WANT_LIST : | |
1228 | OPf_WANT_SCALAR); | |
462e5cf6 | 1229 | SAVEOP(); |
a0d0e21e | 1230 | op = (OP*)&myop; |
aa689395 | 1231 | |
a0d0e21e LW |
1232 | EXTEND(stack_sp, 1); |
1233 | *++stack_sp = sv; | |
aa689395 | 1234 | oldmark = TOPMARK; |
a0d0e21e LW |
1235 | oldscope = scopestack_ix; |
1236 | ||
84902520 | 1237 | if (PERLDB_SUB && curstash != debstash |
36477c24 | 1238 | /* Handle first BEGIN of -d. */ |
1239 | && (DBcv || (DBcv = GvCV(DBsub))) | |
1240 | /* Try harder, since this may have been a sighandler, thus | |
1241 | * curstash may be meaningless. */ | |
1242 | && (SvTYPE(sv) != SVt_PVCV || CvSTASH((CV*)sv) != debstash)) | |
6e72f9df | 1243 | op->op_private |= OPpENTERSUB_DB; |
a0d0e21e LW |
1244 | |
1245 | if (flags & G_EVAL) { | |
a0d0e21e LW |
1246 | cLOGOP->op_other = op; |
1247 | markstack_ptr--; | |
4633a7c4 LW |
1248 | /* we're trying to emulate pp_entertry() here */ |
1249 | { | |
1250 | register CONTEXT *cx; | |
54310121 | 1251 | I32 gimme = GIMME_V; |
4633a7c4 LW |
1252 | |
1253 | ENTER; | |
1254 | SAVETMPS; | |
1255 | ||
1256 | push_return(op->op_next); | |
1257 | PUSHBLOCK(cx, CXt_EVAL, stack_sp); | |
1258 | PUSHEVAL(cx, 0, 0); | |
1259 | eval_root = op; /* Only needed so that goto works right. */ | |
1260 | ||
1261 | in_eval = 1; | |
1262 | if (flags & G_KEEPERR) | |
1263 | in_eval |= 4; | |
1264 | else | |
1265 | sv_setpv(GvSV(errgv),""); | |
1266 | } | |
a0d0e21e LW |
1267 | markstack_ptr++; |
1268 | ||
22921e25 CS |
1269 | JMPENV_PUSH(ret); |
1270 | switch (ret) { | |
a0d0e21e LW |
1271 | case 0: |
1272 | break; | |
1273 | case 1: | |
f86702cc | 1274 | STATUS_ALL_FAILURE; |
a0d0e21e LW |
1275 | /* FALL THROUGH */ |
1276 | case 2: | |
1277 | /* my_exit() was called */ | |
1278 | curstash = defstash; | |
1279 | FREETMPS; | |
54310121 | 1280 | JMPENV_POP; |
a0d0e21e LW |
1281 | if (statusvalue) |
1282 | croak("Callback called exit"); | |
f86702cc | 1283 | my_exit_jump(); |
a0d0e21e LW |
1284 | /* NOTREACHED */ |
1285 | case 3: | |
1286 | if (restartop) { | |
1287 | op = restartop; | |
1288 | restartop = 0; | |
54310121 | 1289 | break; |
a0d0e21e LW |
1290 | } |
1291 | stack_sp = stack_base + oldmark; | |
1292 | if (flags & G_ARRAY) | |
1293 | retval = 0; | |
1294 | else { | |
1295 | retval = 1; | |
1296 | *++stack_sp = &sv_undef; | |
1297 | } | |
1298 | goto cleanup; | |
1299 | } | |
1300 | } | |
1e422769 | 1301 | else |
54310121 | 1302 | CATCH_SET(TRUE); |
a0d0e21e LW |
1303 | |
1304 | if (op == (OP*)&myop) | |
11343788 | 1305 | op = pp_entersub(ARGS); |
a0d0e21e | 1306 | if (op) |
ab821d7f | 1307 | runops(); |
a0d0e21e | 1308 | retval = stack_sp - (stack_base + oldmark); |
4633a7c4 LW |
1309 | if ((flags & G_EVAL) && !(flags & G_KEEPERR)) |
1310 | sv_setpv(GvSV(errgv),""); | |
a0d0e21e LW |
1311 | |
1312 | cleanup: | |
1313 | if (flags & G_EVAL) { | |
1314 | if (scopestack_ix > oldscope) { | |
a0a2876f LW |
1315 | SV **newsp; |
1316 | PMOP *newpm; | |
1317 | I32 gimme; | |
1318 | register CONTEXT *cx; | |
1319 | I32 optype; | |
1320 | ||
1321 | POPBLOCK(cx,newpm); | |
1322 | POPEVAL(cx); | |
1323 | pop_return(); | |
1324 | curpm = newpm; | |
1325 | LEAVE; | |
a0d0e21e | 1326 | } |
54310121 | 1327 | JMPENV_POP; |
a0d0e21e | 1328 | } |
1e422769 | 1329 | else |
54310121 | 1330 | CATCH_SET(oldcatch); |
1e422769 | 1331 | |
a0d0e21e LW |
1332 | if (flags & G_DISCARD) { |
1333 | stack_sp = stack_base + oldmark; | |
1334 | retval = 0; | |
1335 | FREETMPS; | |
1336 | LEAVE; | |
1337 | } | |
d6602a8c | 1338 | op = oldop; |
a0d0e21e LW |
1339 | return retval; |
1340 | } | |
1341 | ||
6e72f9df | 1342 | /* Eval a string. The G_EVAL flag is always assumed. */ |
8990e307 | 1343 | |
a0d0e21e | 1344 | I32 |
4633a7c4 | 1345 | perl_eval_sv(sv, flags) |
8990e307 | 1346 | SV* sv; |
4633a7c4 | 1347 | I32 flags; /* See G_* flags in cop.h */ |
a0d0e21e | 1348 | { |
11343788 | 1349 | dTHR; |
a0d0e21e | 1350 | UNOP myop; /* fake syntax tree node */ |
4633a7c4 LW |
1351 | SV** sp = stack_sp; |
1352 | I32 oldmark = sp - stack_base; | |
1353 | I32 retval; | |
4633a7c4 | 1354 | I32 oldscope; |
54310121 | 1355 | dJMPENV; |
22921e25 | 1356 | int ret; |
84902520 TB |
1357 | OP* oldop = op; |
1358 | ||
4633a7c4 LW |
1359 | if (flags & G_DISCARD) { |
1360 | ENTER; | |
1361 | SAVETMPS; | |
1362 | } | |
1363 | ||
462e5cf6 | 1364 | SAVEOP(); |
79072805 | 1365 | op = (OP*)&myop; |
a0d0e21e | 1366 | Zero(op, 1, UNOP); |
4633a7c4 LW |
1367 | EXTEND(stack_sp, 1); |
1368 | *++stack_sp = sv; | |
1369 | oldscope = scopestack_ix; | |
79072805 | 1370 | |
4633a7c4 LW |
1371 | if (!(flags & G_NOARGS)) |
1372 | myop.op_flags = OPf_STACKED; | |
79072805 | 1373 | myop.op_next = Nullop; |
6e72f9df | 1374 | myop.op_type = OP_ENTEREVAL; |
54310121 | 1375 | myop.op_flags |= ((flags & G_VOID) ? OPf_WANT_VOID : |
1376 | (flags & G_ARRAY) ? OPf_WANT_LIST : | |
1377 | OPf_WANT_SCALAR); | |
6e72f9df | 1378 | if (flags & G_KEEPERR) |
1379 | myop.op_flags |= OPf_SPECIAL; | |
4633a7c4 | 1380 | |
22921e25 CS |
1381 | JMPENV_PUSH(ret); |
1382 | switch (ret) { | |
4633a7c4 LW |
1383 | case 0: |
1384 | break; | |
1385 | case 1: | |
f86702cc | 1386 | STATUS_ALL_FAILURE; |
4633a7c4 LW |
1387 | /* FALL THROUGH */ |
1388 | case 2: | |
1389 | /* my_exit() was called */ | |
1390 | curstash = defstash; | |
1391 | FREETMPS; | |
54310121 | 1392 | JMPENV_POP; |
4633a7c4 LW |
1393 | if (statusvalue) |
1394 | croak("Callback called exit"); | |
f86702cc | 1395 | my_exit_jump(); |
4633a7c4 LW |
1396 | /* NOTREACHED */ |
1397 | case 3: | |
1398 | if (restartop) { | |
1399 | op = restartop; | |
1400 | restartop = 0; | |
54310121 | 1401 | break; |
4633a7c4 LW |
1402 | } |
1403 | stack_sp = stack_base + oldmark; | |
1404 | if (flags & G_ARRAY) | |
1405 | retval = 0; | |
1406 | else { | |
1407 | retval = 1; | |
1408 | *++stack_sp = &sv_undef; | |
1409 | } | |
1410 | goto cleanup; | |
1411 | } | |
1412 | ||
1413 | if (op == (OP*)&myop) | |
11343788 | 1414 | op = pp_entereval(ARGS); |
4633a7c4 | 1415 | if (op) |
ab821d7f | 1416 | runops(); |
4633a7c4 | 1417 | retval = stack_sp - (stack_base + oldmark); |
6e72f9df | 1418 | if (!(flags & G_KEEPERR)) |
4633a7c4 LW |
1419 | sv_setpv(GvSV(errgv),""); |
1420 | ||
1421 | cleanup: | |
54310121 | 1422 | JMPENV_POP; |
4633a7c4 LW |
1423 | if (flags & G_DISCARD) { |
1424 | stack_sp = stack_base + oldmark; | |
1425 | retval = 0; | |
1426 | FREETMPS; | |
1427 | LEAVE; | |
1428 | } | |
84902520 | 1429 | op = oldop; |
4633a7c4 LW |
1430 | return retval; |
1431 | } | |
1432 | ||
137443ea | 1433 | SV* |
1434 | perl_eval_pv(p, croak_on_error) | |
1435 | char* p; | |
1436 | I32 croak_on_error; | |
1437 | { | |
e858de61 | 1438 | dTHR; |
137443ea | 1439 | dSP; |
1440 | SV* sv = newSVpv(p, 0); | |
1441 | ||
1442 | PUSHMARK(sp); | |
1443 | perl_eval_sv(sv, G_SCALAR); | |
1444 | SvREFCNT_dec(sv); | |
1445 | ||
1446 | SPAGAIN; | |
1447 | sv = POPs; | |
1448 | PUTBACK; | |
1449 | ||
1450 | if (croak_on_error && SvTRUE(GvSV(errgv))) | |
1451 | croak(SvPVx(GvSV(errgv), na)); | |
1452 | ||
1453 | return sv; | |
1454 | } | |
1455 | ||
4633a7c4 LW |
1456 | /* Require a module. */ |
1457 | ||
1458 | void | |
1459 | perl_require_pv(pv) | |
1460 | char* pv; | |
1461 | { | |
1462 | SV* sv = sv_newmortal(); | |
1463 | sv_setpv(sv, "require '"); | |
1464 | sv_catpv(sv, pv); | |
1465 | sv_catpv(sv, "'"); | |
1466 | perl_eval_sv(sv, G_DISCARD); | |
79072805 LW |
1467 | } |
1468 | ||
79072805 | 1469 | void |
79072805 LW |
1470 | magicname(sym,name,namlen) |
1471 | char *sym; | |
1472 | char *name; | |
1473 | I32 namlen; | |
1474 | { | |
1475 | register GV *gv; | |
1476 | ||
85e6fe83 | 1477 | if (gv = gv_fetchpv(sym,TRUE, SVt_PV)) |
79072805 LW |
1478 | sv_magic(GvSV(gv), (SV*)gv, 0, name, namlen); |
1479 | } | |
1480 | ||
ab821d7f | 1481 | static void |
1a30305b | 1482 | usage(name) /* XXX move this out into a module ? */ |
4633a7c4 LW |
1483 | char *name; |
1484 | { | |
ab821d7f | 1485 | /* This message really ought to be max 23 lines. |
1486 | * Removed -h because the user already knows that opton. Others? */ | |
fb73857a | 1487 | |
1488 | static char *usage[] = { | |
1489 | "-0[octal] specify record separator (\\0, if no argument)", | |
1490 | "-a autosplit mode with -n or -p (splits $_ into @F)", | |
1491 | "-c check syntax only (runs BEGIN and END blocks)", | |
1492 | "-d[:debugger] run scripts under debugger", | |
1493 | "-D[number/list] set debugging flags (argument is a bit mask or flags)", | |
1494 | "-e 'command' one line of script. Several -e's allowed. Omit [programfile].", | |
1495 | "-F/pattern/ split() pattern for autosplit (-a). The //'s are optional.", | |
1496 | "-i[extension] edit <> files in place (make backup if extension supplied)", | |
1497 | "-Idirectory specify @INC/#include directory (may be used more than once)", | |
1498 | "-l[octal] enable line ending processing, specifies line terminator", | |
1499 | "-[mM][-]module.. executes `use/no module...' before executing your script.", | |
1500 | "-n assume 'while (<>) { ... }' loop around your script", | |
1501 | "-p assume loop like -n but print line also like sed", | |
1502 | "-P run script through C preprocessor before compilation", | |
1503 | "-s enable some switch parsing for switches after script name", | |
1504 | "-S look for the script using PATH environment variable", | |
1505 | "-T turn on tainting checks", | |
1506 | "-u dump core after parsing script", | |
1507 | "-U allow unsafe operations", | |
1508 | "-v print version number and patchlevel of perl", | |
1509 | "-V[:variable] print perl configuration information", | |
1510 | "-w TURN WARNINGS ON FOR COMPILATION OF YOUR SCRIPT. Recommended.", | |
1511 | "-x[directory] strip off text before #!perl line and perhaps cd to directory", | |
1512 | "\n", | |
1513 | NULL | |
1514 | }; | |
1515 | char **p = usage; | |
1516 | ||
ab821d7f | 1517 | printf("\nUsage: %s [switches] [--] [programfile] [arguments]", name); |
fb73857a | 1518 | while (*p) |
1519 | printf("\n %s", *p++); | |
4633a7c4 LW |
1520 | } |
1521 | ||
79072805 LW |
1522 | /* This routine handles any switches that can be given during run */ |
1523 | ||
1524 | char * | |
1525 | moreswitches(s) | |
1526 | char *s; | |
1527 | { | |
1528 | I32 numlen; | |
c07a80fd | 1529 | U32 rschar; |
79072805 LW |
1530 | |
1531 | switch (*s) { | |
1532 | case '0': | |
c07a80fd | 1533 | rschar = scan_oct(s, 4, &numlen); |
1534 | SvREFCNT_dec(nrs); | |
1535 | if (rschar & ~((U8)~0)) | |
1536 | nrs = &sv_undef; | |
1537 | else if (!rschar && numlen >= 2) | |
1538 | nrs = newSVpv("", 0); | |
1539 | else { | |
1540 | char ch = rschar; | |
1541 | nrs = newSVpv(&ch, 1); | |
79072805 LW |
1542 | } |
1543 | return s + numlen; | |
2304df62 AD |
1544 | case 'F': |
1545 | minus_F = TRUE; | |
a0d0e21e | 1546 | splitstr = savepv(s + 1); |
2304df62 AD |
1547 | s += strlen(s); |
1548 | return s; | |
79072805 LW |
1549 | case 'a': |
1550 | minus_a = TRUE; | |
1551 | s++; | |
1552 | return s; | |
1553 | case 'c': | |
1554 | minus_c = TRUE; | |
1555 | s++; | |
1556 | return s; | |
1557 | case 'd': | |
bbce6d69 | 1558 | forbid_setid("-d"); |
4633a7c4 | 1559 | s++; |
c07a80fd | 1560 | if (*s == ':' || *s == '=') { |
46fc3d4c | 1561 | my_setenv("PERL5DB", form("use Devel::%s;", ++s)); |
4633a7c4 | 1562 | s += strlen(s); |
4633a7c4 | 1563 | } |
a0d0e21e | 1564 | if (!perldb) { |
84902520 | 1565 | perldb = PERLDB_ALL; |
a0d0e21e LW |
1566 | init_debugger(); |
1567 | } | |
79072805 LW |
1568 | return s; |
1569 | case 'D': | |
1570 | #ifdef DEBUGGING | |
bbce6d69 | 1571 | forbid_setid("-D"); |
79072805 | 1572 | if (isALPHA(s[1])) { |
8990e307 | 1573 | static char debopts[] = "psltocPmfrxuLHXD"; |
79072805 LW |
1574 | char *d; |
1575 | ||
93a17b20 | 1576 | for (s++; *s && (d = strchr(debopts,*s)); s++) |
79072805 LW |
1577 | debug |= 1 << (d - debopts); |
1578 | } | |
1579 | else { | |
1580 | debug = atoi(s+1); | |
1581 | for (s++; isDIGIT(*s); s++) ; | |
1582 | } | |
8990e307 | 1583 | debug |= 0x80000000; |
79072805 LW |
1584 | #else |
1585 | warn("Recompile perl with -DDEBUGGING to use -D switch\n"); | |
a0d0e21e | 1586 | for (s++; isALNUM(*s); s++) ; |
79072805 LW |
1587 | #endif |
1588 | /*SUPPRESS 530*/ | |
1589 | return s; | |
4633a7c4 LW |
1590 | case 'h': |
1591 | usage(origargv[0]); | |
1592 | exit(0); | |
79072805 LW |
1593 | case 'i': |
1594 | if (inplace) | |
1595 | Safefree(inplace); | |
a0d0e21e | 1596 | inplace = savepv(s+1); |
79072805 LW |
1597 | /*SUPPRESS 530*/ |
1598 | for (s = inplace; *s && !isSPACE(*s); s++) ; | |
fb73857a | 1599 | if (*s) |
1600 | *s++ = '\0'; | |
1601 | return s; | |
1602 | case 'I': /* -I handled both here and in parse_perl() */ | |
bbce6d69 | 1603 | forbid_setid("-I"); |
fb73857a | 1604 | ++s; |
1605 | while (*s && isSPACE(*s)) | |
1606 | ++s; | |
1607 | if (*s) { | |
774d564b | 1608 | char *e, *p; |
748a9306 | 1609 | for (e = s; *e && !isSPACE(*e); e++) ; |
774d564b | 1610 | p = savepvn(s, e-s); |
1611 | incpush(p, TRUE); | |
1612 | Safefree(p); | |
fb73857a | 1613 | s = e; |
79072805 LW |
1614 | } |
1615 | else | |
463ee0b2 | 1616 | croak("No space allowed after -I"); |
fb73857a | 1617 | return s; |
79072805 LW |
1618 | case 'l': |
1619 | minus_l = TRUE; | |
1620 | s++; | |
a0d0e21e LW |
1621 | if (ors) |
1622 | Safefree(ors); | |
79072805 | 1623 | if (isDIGIT(*s)) { |
a0d0e21e | 1624 | ors = savepv("\n"); |
79072805 LW |
1625 | orslen = 1; |
1626 | *ors = scan_oct(s, 3 + (*s == '0'), &numlen); | |
1627 | s += numlen; | |
1628 | } | |
1629 | else { | |
c07a80fd | 1630 | if (RsPARA(nrs)) { |
6e72f9df | 1631 | ors = "\n\n"; |
c07a80fd | 1632 | orslen = 2; |
1633 | } | |
1634 | else | |
1635 | ors = SvPV(nrs, orslen); | |
6e72f9df | 1636 | ors = savepvn(ors, orslen); |
79072805 LW |
1637 | } |
1638 | return s; | |
1a30305b | 1639 | case 'M': |
bbce6d69 | 1640 | forbid_setid("-M"); /* XXX ? */ |
1a30305b | 1641 | /* FALL THROUGH */ |
1642 | case 'm': | |
bbce6d69 | 1643 | forbid_setid("-m"); /* XXX ? */ |
1a30305b | 1644 | if (*++s) { |
a5f75d66 | 1645 | char *start; |
11343788 | 1646 | SV *sv; |
a5f75d66 AD |
1647 | char *use = "use "; |
1648 | /* -M-foo == 'no foo' */ | |
1649 | if (*s == '-') { use = "no "; ++s; } | |
11343788 | 1650 | sv = newSVpv(use,0); |
a5f75d66 | 1651 | start = s; |
1a30305b | 1652 | /* We allow -M'Module qw(Foo Bar)' */ |
c07a80fd | 1653 | while(isALNUM(*s) || *s==':') ++s; |
1654 | if (*s != '=') { | |
11343788 | 1655 | sv_catpv(sv, start); |
c07a80fd | 1656 | if (*(start-1) == 'm') { |
1657 | if (*s != '\0') | |
1658 | croak("Can't use '%c' after -mname", *s); | |
11343788 | 1659 | sv_catpv( sv, " ()"); |
c07a80fd | 1660 | } |
1661 | } else { | |
11343788 MB |
1662 | sv_catpvn(sv, start, s-start); |
1663 | sv_catpv(sv, " split(/,/,q{"); | |
1664 | sv_catpv(sv, ++s); | |
1665 | sv_catpv(sv, "})"); | |
c07a80fd | 1666 | } |
1a30305b | 1667 | s += strlen(s); |
c07a80fd | 1668 | if (preambleav == NULL) |
1669 | preambleav = newAV(); | |
11343788 | 1670 | av_push(preambleav, sv); |
1a30305b | 1671 | } |
1672 | else | |
1673 | croak("No space allowed after -%c", *(s-1)); | |
1674 | return s; | |
79072805 LW |
1675 | case 'n': |
1676 | minus_n = TRUE; | |
1677 | s++; | |
1678 | return s; | |
1679 | case 'p': | |
1680 | minus_p = TRUE; | |
1681 | s++; | |
1682 | return s; | |
1683 | case 's': | |
bbce6d69 | 1684 | forbid_setid("-s"); |
79072805 LW |
1685 | doswitches = TRUE; |
1686 | s++; | |
1687 | return s; | |
463ee0b2 | 1688 | case 'T': |
f86702cc | 1689 | if (!tainting) |
9607fc9c | 1690 | croak("Too late for \"-T\" option"); |
463ee0b2 LW |
1691 | s++; |
1692 | return s; | |
79072805 LW |
1693 | case 'u': |
1694 | do_undump = TRUE; | |
1695 | s++; | |
1696 | return s; | |
1697 | case 'U': | |
1698 | unsafe = TRUE; | |
1699 | s++; | |
1700 | return s; | |
1701 | case 'v': | |
a5f75d66 | 1702 | #if defined(SUBVERSION) && SUBVERSION > 0 |
fb73857a | 1703 | printf("\nThis is perl, version 5.%03d_%02d built for %s", |
1704 | PATCHLEVEL, SUBVERSION, ARCHNAME); | |
a5f75d66 | 1705 | #else |
fb73857a | 1706 | printf("\nThis is perl, version %s built for %s", |
1707 | patchlevel, ARCHNAME); | |
1708 | #endif | |
1709 | #if defined(LOCAL_PATCH_COUNT) | |
1710 | if (LOCAL_PATCH_COUNT > 0) | |
1711 | printf("\n(with %d registered patch%s, see perl -V for more detail)", | |
1712 | LOCAL_PATCH_COUNT, (LOCAL_PATCH_COUNT!=1) ? "es" : ""); | |
a5f75d66 | 1713 | #endif |
1a30305b | 1714 | |
44a8e56a | 1715 | printf("\n\nCopyright 1987-1997, Larry Wall\n"); |
79072805 | 1716 | #ifdef MSDOS |
fb73857a | 1717 | printf("\nMS-DOS port Copyright (c) 1989, 1990, Diomidis Spinellis\n"); |
55497cff | 1718 | #endif |
1719 | #ifdef DJGPP | |
1720 | printf("djgpp v2 port (jpl5003c) by Hirofumi Watanabe, 1996\n"); | |
4633a7c4 | 1721 | #endif |
79072805 | 1722 | #ifdef OS2 |
5dd60ef7 | 1723 | printf("\n\nOS/2 port Copyright (c) 1990, 1991, Raymond Chen, Kai Uwe Rommel\n" |
9607fc9c | 1724 | "Version 5 port Copyright (c) 1994-1997, Andreas Kaiser, Ilya Zakharevich\n"); |
79072805 | 1725 | #endif |
79072805 | 1726 | #ifdef atarist |
760ac839 | 1727 | printf("atariST series port, ++jrb bammi@cadence.com\n"); |
79072805 | 1728 | #endif |
760ac839 | 1729 | printf("\n\ |
79072805 | 1730 | Perl may be copied only under the terms of either the Artistic License or the\n\ |
760ac839 | 1731 | GNU General Public License, which may be found in the Perl 5.0 source kit.\n\n"); |
79072805 LW |
1732 | exit(0); |
1733 | case 'w': | |
1734 | dowarn = TRUE; | |
1735 | s++; | |
1736 | return s; | |
a0d0e21e | 1737 | case '*': |
79072805 LW |
1738 | case ' ': |
1739 | if (s[1] == '-') /* Additional switches on #! line. */ | |
1740 | return s+2; | |
1741 | break; | |
a0d0e21e | 1742 | case '-': |
79072805 LW |
1743 | case 0: |
1744 | case '\n': | |
1745 | case '\t': | |
1746 | break; | |
aa689395 | 1747 | #ifdef ALTERNATE_SHEBANG |
1748 | case 'S': /* OS/2 needs -S on "extproc" line. */ | |
1749 | break; | |
1750 | #endif | |
a0d0e21e LW |
1751 | case 'P': |
1752 | if (preprocess) | |
1753 | return s+1; | |
1754 | /* FALL THROUGH */ | |
79072805 | 1755 | default: |
a0d0e21e | 1756 | croak("Can't emulate -%.1s on #! line",s); |
79072805 LW |
1757 | } |
1758 | return Nullch; | |
1759 | } | |
1760 | ||
1761 | /* compliments of Tom Christiansen */ | |
1762 | ||
1763 | /* unexec() can be found in the Gnu emacs distribution */ | |
1764 | ||
1765 | void | |
1766 | my_unexec() | |
1767 | { | |
1768 | #ifdef UNEXEC | |
46fc3d4c | 1769 | SV* prog; |
1770 | SV* file; | |
79072805 LW |
1771 | int status; |
1772 | extern int etext; | |
1773 | ||
46fc3d4c | 1774 | prog = newSVpv(BIN_EXP); |
1775 | sv_catpv(prog, "/perl"); | |
1776 | file = newSVpv(origfilename); | |
1777 | sv_catpv(file, ".perldump"); | |
79072805 | 1778 | |
46fc3d4c | 1779 | status = unexec(SvPVX(file), SvPVX(prog), &etext, sbrk(0), 0); |
79072805 | 1780 | if (status) |
46fc3d4c | 1781 | PerlIO_printf(PerlIO_stderr(), "unexec of %s into %s failed!\n", |
1782 | SvPVX(prog), SvPVX(file)); | |
a0d0e21e | 1783 | exit(status); |
79072805 | 1784 | #else |
a5f75d66 AD |
1785 | # ifdef VMS |
1786 | # include <lib$routines.h> | |
1787 | lib$signal(SS$_DEBUG); /* ssdef.h #included from vmsish.h */ | |
aa689395 | 1788 | # else |
79072805 | 1789 | ABORT(); /* for use with undump */ |
aa689395 | 1790 | # endif |
a5f75d66 | 1791 | #endif |
79072805 LW |
1792 | } |
1793 | ||
1794 | static void | |
1795 | init_main_stash() | |
1796 | { | |
11343788 | 1797 | dTHR; |
463ee0b2 | 1798 | GV *gv; |
6e72f9df | 1799 | |
1800 | /* Note that strtab is a rather special HV. Assumptions are made | |
1801 | about not iterating on it, and not adding tie magic to it. | |
1802 | It is properly deallocated in perl_destruct() */ | |
1803 | strtab = newHV(); | |
1804 | HvSHAREKEYS_off(strtab); /* mandatory */ | |
1805 | Newz(506,((XPVHV*)SvANY(strtab))->xhv_array, | |
1806 | sizeof(HE*) * (((XPVHV*)SvANY(strtab))->xhv_max + 1), char); | |
1807 | ||
463ee0b2 | 1808 | curstash = defstash = newHV(); |
79072805 | 1809 | curstname = newSVpv("main",4); |
adbc6bb1 LW |
1810 | gv = gv_fetchpv("main::",TRUE, SVt_PVHV); |
1811 | SvREFCNT_dec(GvHV(gv)); | |
1812 | GvHV(gv) = (HV*)SvREFCNT_inc(defstash); | |
463ee0b2 | 1813 | SvREADONLY_on(gv); |
a0d0e21e | 1814 | HvNAME(defstash) = savepv("main"); |
85e6fe83 | 1815 | incgv = gv_HVadd(gv_AVadd(gv_fetchpv("INC",TRUE, SVt_PVAV))); |
a5f75d66 | 1816 | GvMULTI_on(incgv); |
a0d0e21e | 1817 | defgv = gv_fetchpv("_",TRUE, SVt_PVAV); |
4633a7c4 | 1818 | errgv = gv_HVadd(gv_fetchpv("@", TRUE, SVt_PV)); |
a5f75d66 | 1819 | GvMULTI_on(errgv); |
84902520 TB |
1820 | (void)form("%240s",""); /* Preallocate temp - for immediate signals. */ |
1821 | sv_grow(GvSV(errgv), 240); /* Preallocate - for immediate signals. */ | |
552a7a9b | 1822 | sv_setpvn(GvSV(errgv), "", 0); |
8990e307 LW |
1823 | curstash = defstash; |
1824 | compiling.cop_stash = defstash; | |
adbc6bb1 | 1825 | debstash = GvHV(gv_fetchpv("DB::", GV_ADDMULTI, SVt_PVHV)); |
4633a7c4 LW |
1826 | /* We must init $/ before switches are processed. */ |
1827 | sv_setpvn(GvSV(gv_fetchpv("/", TRUE, SVt_PV)), "\n", 1); | |
79072805 LW |
1828 | } |
1829 | ||
a0d0e21e LW |
1830 | #ifdef CAN_PROTOTYPE |
1831 | static void | |
1832 | open_script(char *scriptname, bool dosearch, SV *sv) | |
1833 | #else | |
79072805 LW |
1834 | static void |
1835 | open_script(scriptname,dosearch,sv) | |
1836 | char *scriptname; | |
1837 | bool dosearch; | |
1838 | SV *sv; | |
a0d0e21e | 1839 | #endif |
79072805 | 1840 | { |
0f15f207 | 1841 | dTHR; |
79072805 LW |
1842 | char *xfound = Nullch; |
1843 | char *xfailed = Nullch; | |
1844 | register char *s; | |
1845 | I32 len; | |
a38d6535 LW |
1846 | int retval; |
1847 | #if defined(DOSISH) && !defined(OS2) && !defined(atarist) | |
fc36a67e | 1848 | # define SEARCH_EXTS ".bat", ".cmd", NULL |
1849 | # define MAX_EXT_LEN 4 | |
a38d6535 | 1850 | #endif |
d8c2d278 IZ |
1851 | #ifdef OS2 |
1852 | # define SEARCH_EXTS ".cmd", ".btm", ".bat", ".pl", NULL | |
1853 | # define MAX_EXT_LEN 4 | |
1854 | #endif | |
ab821d7f | 1855 | #ifdef VMS |
1856 | # define SEARCH_EXTS ".pl", ".com", NULL | |
fc36a67e | 1857 | # define MAX_EXT_LEN 4 |
ab821d7f | 1858 | #endif |
a38d6535 LW |
1859 | /* additional extensions to try in each dir if scriptname not found */ |
1860 | #ifdef SEARCH_EXTS | |
1861 | char *ext[] = { SEARCH_EXTS }; | |
2a92aaa0 GS |
1862 | int extidx = 0, i = 0; |
1863 | char *curext = Nullch; | |
fc36a67e | 1864 | #else |
1865 | # define MAX_EXT_LEN 0 | |
a38d6535 | 1866 | #endif |
79072805 | 1867 | |
2a92aaa0 GS |
1868 | /* |
1869 | * If dosearch is true and if scriptname does not contain path | |
1870 | * delimiters, search the PATH for scriptname. | |
1871 | * | |
1872 | * If SEARCH_EXTS is also defined, will look for each | |
1873 | * scriptname{SEARCH_EXTS} whenever scriptname is not found | |
1874 | * while searching the PATH. | |
1875 | * | |
1876 | * Assuming SEARCH_EXTS is C<".foo",".bar",NULL>, PATH search | |
1877 | * proceeds as follows: | |
1878 | * If DOSISH: | |
1879 | * + look for ./scriptname{,.foo,.bar} | |
1880 | * + search the PATH for scriptname{,.foo,.bar} | |
1881 | * | |
1882 | * If !DOSISH: | |
1883 | * + look *only* in the PATH for scriptname{,.foo,.bar} (note | |
1884 | * this will not look in '.' if it's not in the PATH) | |
1885 | */ | |
1886 | ||
c07a80fd | 1887 | #ifdef VMS |
6e72f9df | 1888 | if (dosearch) { |
1889 | int hasdir, idx = 0, deftypes = 1; | |
1a2dec3c | 1890 | bool seen_dot = 1; |
6e72f9df | 1891 | |
1892 | hasdir = (strpbrk(scriptname,":[</") != Nullch) ; | |
1893 | /* The first time through, just add SEARCH_EXTS to whatever we | |
1894 | * already have, so we can check for default file types. */ | |
fc36a67e | 1895 | while (deftypes || |
1896 | (!hasdir && my_trnlnm("DCL$PATH",tokenbuf,idx++)) ) | |
1897 | { | |
1898 | if (deftypes) { | |
1899 | deftypes = 0; | |
1900 | *tokenbuf = '\0'; | |
1901 | } | |
1902 | if ((strlen(tokenbuf) + strlen(scriptname) | |
1903 | + MAX_EXT_LEN) >= sizeof tokenbuf) | |
1904 | continue; /* don't search dir with too-long name */ | |
1905 | strcat(tokenbuf, scriptname); | |
c07a80fd | 1906 | #else /* !VMS */ |
2a92aaa0 | 1907 | |
fc36a67e | 1908 | #ifdef DOSISH |
2a92aaa0 | 1909 | if (strEQ(scriptname, "-")) |
84902520 | 1910 | dosearch = 0; |
2a92aaa0 GS |
1911 | if (dosearch) { /* Look in '.' first. */ |
1912 | char *cur = scriptname; | |
1913 | #ifdef SEARCH_EXTS | |
1914 | if ((curext = strrchr(scriptname,'.'))) /* possible current ext */ | |
1915 | while (ext[i]) | |
1916 | if (strEQ(ext[i++],curext)) { | |
1917 | extidx = -1; /* already has an ext */ | |
1918 | break; | |
1919 | } | |
1920 | do { | |
79072805 | 1921 | #endif |
2a92aaa0 GS |
1922 | DEBUG_p(PerlIO_printf(Perl_debug_log, |
1923 | "Looking for %s\n",cur)); | |
1924 | if (Stat(cur,&statbuf) >= 0) { | |
1925 | dosearch = 0; | |
1926 | scriptname = cur; | |
84902520 | 1927 | #ifdef SEARCH_EXTS |
2a92aaa0 | 1928 | break; |
84902520 | 1929 | #endif |
2a92aaa0 GS |
1930 | } |
1931 | #ifdef SEARCH_EXTS | |
1932 | if (cur == scriptname) { | |
1933 | len = strlen(scriptname); | |
1934 | if (len+MAX_EXT_LEN+1 >= sizeof(tokenbuf)) | |
1935 | break; | |
1936 | cur = strcpy(tokenbuf, scriptname); | |
1937 | } | |
1938 | } while (extidx >= 0 && ext[extidx] /* try an extension? */ | |
1939 | && strcpy(tokenbuf+len, ext[extidx++])); | |
1940 | #endif | |
1941 | } | |
1942 | #endif | |
84902520 | 1943 | |
e92c4225 WJ |
1944 | if (dosearch && !strchr(scriptname, '/') |
1945 | #ifdef DOSISH | |
1946 | && !strchr(scriptname, '\\') | |
1947 | #endif | |
1948 | && (s = getenv("PATH"))) { | |
2a92aaa0 | 1949 | bool seen_dot = 0; |
84902520 | 1950 | |
79072805 | 1951 | bufend = s + strlen(s); |
fc36a67e | 1952 | while (s < bufend) { |
2a92aaa0 GS |
1953 | #if defined(atarist) || defined(DOSISH) |
1954 | for (len = 0; *s | |
1955 | # ifdef atarist | |
1956 | && *s != ',' | |
1957 | # endif | |
1958 | && *s != ';'; len++, s++) { | |
fc36a67e | 1959 | if (len < sizeof tokenbuf) |
1960 | tokenbuf[len] = *s; | |
1961 | } | |
1962 | if (len < sizeof tokenbuf) | |
1963 | tokenbuf[len] = '\0'; | |
84902520 TB |
1964 | #else /* ! (atarist || DOSISH) */ |
1965 | s = delimcpy(tokenbuf, tokenbuf + sizeof tokenbuf, s, bufend, | |
1966 | ':', | |
1967 | &len); | |
1968 | #endif /* ! (atarist || DOSISH) */ | |
fc36a67e | 1969 | if (s < bufend) |
79072805 | 1970 | s++; |
fc36a67e | 1971 | if (len + 1 + strlen(scriptname) + MAX_EXT_LEN >= sizeof tokenbuf) |
1972 | continue; /* don't search dir with too-long name */ | |
1973 | if (len | |
fc36a67e | 1974 | #if defined(atarist) || defined(DOSISH) |
2a92aaa0 | 1975 | && tokenbuf[len - 1] != '/' |
fc36a67e | 1976 | && tokenbuf[len - 1] != '\\' |
79072805 | 1977 | #endif |
fc36a67e | 1978 | ) |
1979 | tokenbuf[len++] = '/'; | |
84902520 | 1980 | if (len == 2 && tokenbuf[0] == '.') |
2a92aaa0 | 1981 | seen_dot = 1; |
fc36a67e | 1982 | (void)strcpy(tokenbuf + len, scriptname); |
c07a80fd | 1983 | #endif /* !VMS */ |
a38d6535 LW |
1984 | |
1985 | #ifdef SEARCH_EXTS | |
1986 | len = strlen(tokenbuf); | |
1987 | if (extidx > 0) /* reset after previous loop */ | |
1988 | extidx = 0; | |
1989 | do { | |
1990 | #endif | |
760ac839 | 1991 | DEBUG_p(PerlIO_printf(Perl_debug_log, "Looking for %s\n",tokenbuf)); |
a38d6535 LW |
1992 | retval = Stat(tokenbuf,&statbuf); |
1993 | #ifdef SEARCH_EXTS | |
1994 | } while ( retval < 0 /* not there */ | |
1995 | && extidx>=0 && ext[extidx] /* try an extension? */ | |
1996 | && strcpy(tokenbuf+len, ext[extidx++]) | |
1997 | ); | |
1998 | #endif | |
1999 | if (retval < 0) | |
79072805 LW |
2000 | continue; |
2001 | if (S_ISREG(statbuf.st_mode) | |
c90c0ff4 | 2002 | && cando(S_IRUSR,TRUE,&statbuf) |
2003 | #ifndef DOSISH | |
2004 | && cando(S_IXUSR,TRUE,&statbuf) | |
2005 | #endif | |
2006 | ) | |
2007 | { | |
79072805 LW |
2008 | xfound = tokenbuf; /* bingo! */ |
2009 | break; | |
2010 | } | |
2011 | if (!xfailed) | |
a0d0e21e | 2012 | xfailed = savepv(tokenbuf); |
79072805 | 2013 | } |
2a92aaa0 GS |
2014 | #ifndef DOSISH |
2015 | if (!xfound && !seen_dot && !xfailed && (Stat(scriptname,&statbuf) < 0)) | |
84902520 TB |
2016 | #endif |
2017 | seen_dot = 1; /* Disable message. */ | |
79072805 | 2018 | if (!xfound) |
84902520 | 2019 | croak("Can't %s %s%s%s", |
2a92aaa0 GS |
2020 | (xfailed ? "execute" : "find"), |
2021 | (xfailed ? xfailed : scriptname), | |
2022 | (xfailed ? "" : " on PATH"), | |
2023 | (xfailed || seen_dot) ? "" : ", '.' not in PATH"); | |
79072805 LW |
2024 | if (xfailed) |
2025 | Safefree(xfailed); | |
2026 | scriptname = xfound; | |
2027 | } | |
2028 | ||
96436eeb | 2029 | if (strnEQ(scriptname, "/dev/fd/", 8) && isDIGIT(scriptname[8]) ) { |
2030 | char *s = scriptname + 8; | |
2031 | fdscript = atoi(s); | |
2032 | while (isDIGIT(*s)) | |
2033 | s++; | |
2034 | if (*s) | |
2035 | scriptname = s + 1; | |
2036 | } | |
2037 | else | |
2038 | fdscript = -1; | |
ab821d7f | 2039 | origfilename = savepv(e_tmpname ? "-e" : scriptname); |
79072805 LW |
2040 | curcop->cop_filegv = gv_fetchfile(origfilename); |
2041 | if (strEQ(origfilename,"-")) | |
2042 | scriptname = ""; | |
96436eeb | 2043 | if (fdscript >= 0) { |
760ac839 | 2044 | rsfp = PerlIO_fdopen(fdscript,"r"); |
96436eeb | 2045 | #if defined(HAS_FCNTL) && defined(F_SETFD) |
7aa04957 CS |
2046 | if (rsfp) |
2047 | fcntl(PerlIO_fileno(rsfp),F_SETFD,1); /* ensure close-on-exec */ | |
96436eeb | 2048 | #endif |
2049 | } | |
2050 | else if (preprocess) { | |
46fc3d4c | 2051 | char *cpp_cfg = CPPSTDIN; |
2052 | SV *cpp = NEWSV(0,0); | |
2053 | SV *cmd = NEWSV(0,0); | |
2054 | ||
2055 | if (strEQ(cpp_cfg, "cppstdin")) | |
2056 | sv_catpvf(cpp, "%s/", BIN_EXP); | |
2057 | sv_catpv(cpp, cpp_cfg); | |
79072805 | 2058 | |
79072805 | 2059 | sv_catpv(sv,"-I"); |
fed7345c | 2060 | sv_catpv(sv,PRIVLIB_EXP); |
46fc3d4c | 2061 | |
79072805 | 2062 | #ifdef MSDOS |
46fc3d4c | 2063 | sv_setpvf(cmd, "\ |
79072805 LW |
2064 | sed %s -e \"/^[^#]/b\" \ |
2065 | -e \"/^#[ ]*include[ ]/b\" \ | |
2066 | -e \"/^#[ ]*define[ ]/b\" \ | |
2067 | -e \"/^#[ ]*if[ ]/b\" \ | |
2068 | -e \"/^#[ ]*ifdef[ ]/b\" \ | |
2069 | -e \"/^#[ ]*ifndef[ ]/b\" \ | |
2070 | -e \"/^#[ ]*else/b\" \ | |
2071 | -e \"/^#[ ]*elif[ ]/b\" \ | |
2072 | -e \"/^#[ ]*undef[ ]/b\" \ | |
2073 | -e \"/^#[ ]*endif/b\" \ | |
2074 | -e \"s/^#.*//\" \ | |
fc36a67e | 2075 | %s | %_ -C %_ %s", |
79072805 LW |
2076 | (doextract ? "-e \"1,/^#/d\n\"" : ""), |
2077 | #else | |
46fc3d4c | 2078 | sv_setpvf(cmd, "\ |
79072805 LW |
2079 | %s %s -e '/^[^#]/b' \ |
2080 | -e '/^#[ ]*include[ ]/b' \ | |
2081 | -e '/^#[ ]*define[ ]/b' \ | |
2082 | -e '/^#[ ]*if[ ]/b' \ | |
2083 | -e '/^#[ ]*ifdef[ ]/b' \ | |
2084 | -e '/^#[ ]*ifndef[ ]/b' \ | |
2085 | -e '/^#[ ]*else/b' \ | |
2086 | -e '/^#[ ]*elif[ ]/b' \ | |
2087 | -e '/^#[ ]*undef[ ]/b' \ | |
2088 | -e '/^#[ ]*endif/b' \ | |
2089 | -e 's/^[ ]*#.*//' \ | |
fc36a67e | 2090 | %s | %_ -C %_ %s", |
79072805 LW |
2091 | #ifdef LOC_SED |
2092 | LOC_SED, | |
2093 | #else | |
2094 | "sed", | |
2095 | #endif | |
2096 | (doextract ? "-e '1,/^#/d\n'" : ""), | |
2097 | #endif | |
46fc3d4c | 2098 | scriptname, cpp, sv, CPPMINUS); |
79072805 LW |
2099 | doextract = FALSE; |
2100 | #ifdef IAMSUID /* actually, this is caught earlier */ | |
2101 | if (euid != uid && !euid) { /* if running suidperl */ | |
2102 | #ifdef HAS_SETEUID | |
2103 | (void)seteuid(uid); /* musn't stay setuid root */ | |
2104 | #else | |
2105 | #ifdef HAS_SETREUID | |
85e6fe83 LW |
2106 | (void)setreuid((Uid_t)-1, uid); |
2107 | #else | |
2108 | #ifdef HAS_SETRESUID | |
2109 | (void)setresuid((Uid_t)-1, uid, (Uid_t)-1); | |
79072805 LW |
2110 | #else |
2111 | setuid(uid); | |
2112 | #endif | |
2113 | #endif | |
85e6fe83 | 2114 | #endif |
79072805 | 2115 | if (geteuid() != uid) |
463ee0b2 | 2116 | croak("Can't do seteuid!\n"); |
79072805 LW |
2117 | } |
2118 | #endif /* IAMSUID */ | |
46fc3d4c | 2119 | rsfp = my_popen(SvPVX(cmd), "r"); |
2120 | SvREFCNT_dec(cmd); | |
2121 | SvREFCNT_dec(cpp); | |
79072805 LW |
2122 | } |
2123 | else if (!*scriptname) { | |
bbce6d69 | 2124 | forbid_setid("program input from stdin"); |
760ac839 | 2125 | rsfp = PerlIO_stdin(); |
79072805 | 2126 | } |
96436eeb | 2127 | else { |
760ac839 | 2128 | rsfp = PerlIO_open(scriptname,"r"); |
96436eeb | 2129 | #if defined(HAS_FCNTL) && defined(F_SETFD) |
7aa04957 CS |
2130 | if (rsfp) |
2131 | fcntl(PerlIO_fileno(rsfp),F_SETFD,1); /* ensure close-on-exec */ | |
96436eeb | 2132 | #endif |
2133 | } | |
5dd60ef7 | 2134 | if (e_tmpname) { |
2135 | e_fp = rsfp; | |
2136 | } | |
7aa04957 | 2137 | if (!rsfp) { |
13281fa4 | 2138 | #ifdef DOSUID |
a687059c | 2139 | #ifndef IAMSUID /* in case script is not readable before setuid */ |
a0d0e21e | 2140 | if (euid && Stat(SvPVX(GvSV(curcop->cop_filegv)),&statbuf) >= 0 && |
13281fa4 | 2141 | statbuf.st_mode & (S_ISUID|S_ISGID)) { |
46fc3d4c | 2142 | /* try again */ |
2143 | execv(form("%s/sperl%s", BIN_EXP, patchlevel), origargv); | |
463ee0b2 | 2144 | croak("Can't do setuid\n"); |
13281fa4 LW |
2145 | } |
2146 | #endif | |
2147 | #endif | |
463ee0b2 | 2148 | croak("Can't open perl script \"%s\": %s\n", |
2304df62 | 2149 | SvPVX(GvSV(curcop->cop_filegv)), Strerror(errno)); |
13281fa4 | 2150 | } |
79072805 | 2151 | } |
8d063cd8 | 2152 | |
79072805 | 2153 | static void |
96436eeb | 2154 | validate_suid(validarg, scriptname) |
79072805 | 2155 | char *validarg; |
96436eeb | 2156 | char *scriptname; |
79072805 | 2157 | { |
96436eeb | 2158 | int which; |
2159 | ||
13281fa4 LW |
2160 | /* do we need to emulate setuid on scripts? */ |
2161 | ||
2162 | /* This code is for those BSD systems that have setuid #! scripts disabled | |
2163 | * in the kernel because of a security problem. Merely defining DOSUID | |
2164 | * in perl will not fix that problem, but if you have disabled setuid | |
2165 | * scripts in the kernel, this will attempt to emulate setuid and setgid | |
2166 | * on scripts that have those now-otherwise-useless bits set. The setuid | |
27e2fb84 LW |
2167 | * root version must be called suidperl or sperlN.NNN. If regular perl |
2168 | * discovers that it has opened a setuid script, it calls suidperl with | |
2169 | * the same argv that it had. If suidperl finds that the script it has | |
2170 | * just opened is NOT setuid root, it sets the effective uid back to the | |
2171 | * uid. We don't just make perl setuid root because that loses the | |
2172 | * effective uid we had before invoking perl, if it was different from the | |
2173 | * uid. | |
13281fa4 LW |
2174 | * |
2175 | * DOSUID must be defined in both perl and suidperl, and IAMSUID must | |
2176 | * be defined in suidperl only. suidperl must be setuid root. The | |
2177 | * Configure script will set this up for you if you want it. | |
2178 | */ | |
a687059c | 2179 | |
13281fa4 | 2180 | #ifdef DOSUID |
6e72f9df | 2181 | char *s, *s2; |
a0d0e21e | 2182 | |
760ac839 | 2183 | if (Fstat(PerlIO_fileno(rsfp),&statbuf) < 0) /* normal stat is insecure */ |
463ee0b2 | 2184 | croak("Can't stat script \"%s\"",origfilename); |
96436eeb | 2185 | if (fdscript < 0 && statbuf.st_mode & (S_ISUID|S_ISGID)) { |
79072805 | 2186 | I32 len; |
13281fa4 | 2187 | |
a687059c | 2188 | #ifdef IAMSUID |
fe14fcc3 | 2189 | #ifndef HAS_SETREUID |
a687059c LW |
2190 | /* On this access check to make sure the directories are readable, |
2191 | * there is actually a small window that the user could use to make | |
2192 | * filename point to an accessible directory. So there is a faint | |
2193 | * chance that someone could execute a setuid script down in a | |
2194 | * non-accessible directory. I don't know what to do about that. | |
2195 | * But I don't think it's too important. The manual lies when | |
2196 | * it says access() is useful in setuid programs. | |
2197 | */ | |
463ee0b2 LW |
2198 | if (access(SvPVX(GvSV(curcop->cop_filegv)),1)) /*double check*/ |
2199 | croak("Permission denied"); | |
a687059c LW |
2200 | #else |
2201 | /* If we can swap euid and uid, then we can determine access rights | |
2202 | * with a simple stat of the file, and then compare device and | |
2203 | * inode to make sure we did stat() on the same file we opened. | |
2204 | * Then we just have to make sure he or she can execute it. | |
2205 | */ | |
2206 | { | |
2207 | struct stat tmpstatbuf; | |
2208 | ||
85e6fe83 LW |
2209 | if ( |
2210 | #ifdef HAS_SETREUID | |
2211 | setreuid(euid,uid) < 0 | |
a0d0e21e LW |
2212 | #else |
2213 | # if HAS_SETRESUID | |
85e6fe83 | 2214 | setresuid(euid,uid,(Uid_t)-1) < 0 |
a0d0e21e | 2215 | # endif |
85e6fe83 LW |
2216 | #endif |
2217 | || getuid() != euid || geteuid() != uid) | |
463ee0b2 | 2218 | croak("Can't swap uid and euid"); /* really paranoid */ |
a0d0e21e | 2219 | if (Stat(SvPVX(GvSV(curcop->cop_filegv)),&tmpstatbuf) < 0) |
463ee0b2 | 2220 | croak("Permission denied"); /* testing full pathname here */ |
a687059c LW |
2221 | if (tmpstatbuf.st_dev != statbuf.st_dev || |
2222 | tmpstatbuf.st_ino != statbuf.st_ino) { | |
760ac839 | 2223 | (void)PerlIO_close(rsfp); |
79072805 | 2224 | if (rsfp = my_popen("/bin/mail root","w")) { /* heh, heh */ |
760ac839 | 2225 | PerlIO_printf(rsfp, |
ff0cee69 | 2226 | "User %ld tried to run dev %ld ino %ld in place of dev %ld ino %ld!\n\ |
2227 | (Filename of set-id script was %s, uid %ld gid %ld.)\n\nSincerely,\nperl\n", | |
2228 | (long)uid,(long)tmpstatbuf.st_dev, (long)tmpstatbuf.st_ino, | |
2229 | (long)statbuf.st_dev, (long)statbuf.st_ino, | |
463ee0b2 | 2230 | SvPVX(GvSV(curcop->cop_filegv)), |
ff0cee69 | 2231 | (long)statbuf.st_uid, (long)statbuf.st_gid); |
79072805 | 2232 | (void)my_pclose(rsfp); |
a687059c | 2233 | } |
463ee0b2 | 2234 | croak("Permission denied\n"); |
a687059c | 2235 | } |
85e6fe83 LW |
2236 | if ( |
2237 | #ifdef HAS_SETREUID | |
2238 | setreuid(uid,euid) < 0 | |
a0d0e21e LW |
2239 | #else |
2240 | # if defined(HAS_SETRESUID) | |
85e6fe83 | 2241 | setresuid(uid,euid,(Uid_t)-1) < 0 |
a0d0e21e | 2242 | # endif |
85e6fe83 LW |
2243 | #endif |
2244 | || getuid() != uid || geteuid() != euid) | |
463ee0b2 | 2245 | croak("Can't reswap uid and euid"); |
27e2fb84 | 2246 | if (!cando(S_IXUSR,FALSE,&statbuf)) /* can real uid exec? */ |
463ee0b2 | 2247 | croak("Permission denied\n"); |
a687059c | 2248 | } |
fe14fcc3 | 2249 | #endif /* HAS_SETREUID */ |
a687059c LW |
2250 | #endif /* IAMSUID */ |
2251 | ||
27e2fb84 | 2252 | if (!S_ISREG(statbuf.st_mode)) |
463ee0b2 | 2253 | croak("Permission denied"); |
27e2fb84 | 2254 | if (statbuf.st_mode & S_IWOTH) |
463ee0b2 | 2255 | croak("Setuid/gid script is writable by world"); |
13281fa4 | 2256 | doswitches = FALSE; /* -s is insecure in suid */ |
79072805 | 2257 | curcop->cop_line++; |
760ac839 LW |
2258 | if (sv_gets(linestr, rsfp, 0) == Nullch || |
2259 | strnNE(SvPV(linestr,na),"#!",2) ) /* required even on Sys V */ | |
463ee0b2 | 2260 | croak("No #! line"); |
760ac839 | 2261 | s = SvPV(linestr,na)+2; |
663a0e37 | 2262 | if (*s == ' ') s++; |
45d8adaa | 2263 | while (!isSPACE(*s)) s++; |
760ac839 | 2264 | for (s2 = s; (s2 > SvPV(linestr,na)+2 && |
6e72f9df | 2265 | (isDIGIT(s2[-1]) || strchr("._-", s2[-1]))); s2--) ; |
2266 | if (strnNE(s2-4,"perl",4) && strnNE(s-9,"perl",4)) /* sanity check */ | |
463ee0b2 | 2267 | croak("Not a perl script"); |
a687059c | 2268 | while (*s == ' ' || *s == '\t') s++; |
13281fa4 LW |
2269 | /* |
2270 | * #! arg must be what we saw above. They can invoke it by | |
2271 | * mentioning suidperl explicitly, but they may not add any strange | |
2272 | * arguments beyond what #! says if they do invoke suidperl that way. | |
2273 | */ | |
2274 | len = strlen(validarg); | |
2275 | if (strEQ(validarg," PHOOEY ") || | |
45d8adaa | 2276 | strnNE(s,validarg,len) || !isSPACE(s[len])) |
463ee0b2 | 2277 | croak("Args must match #! line"); |
a687059c LW |
2278 | |
2279 | #ifndef IAMSUID | |
2280 | if (euid != uid && (statbuf.st_mode & S_ISUID) && | |
2281 | euid == statbuf.st_uid) | |
2282 | if (!do_undump) | |
463ee0b2 | 2283 | croak("YOU HAVEN'T DISABLED SET-ID SCRIPTS IN THE KERNEL YET!\n\ |
a687059c LW |
2284 | FIX YOUR KERNEL, PUT A C WRAPPER AROUND THIS SCRIPT, OR USE -u AND UNDUMP!\n"); |
2285 | #endif /* IAMSUID */ | |
13281fa4 LW |
2286 | |
2287 | if (euid) { /* oops, we're not the setuid root perl */ | |
760ac839 | 2288 | (void)PerlIO_close(rsfp); |
13281fa4 | 2289 | #ifndef IAMSUID |
46fc3d4c | 2290 | /* try again */ |
2291 | execv(form("%s/sperl%s", BIN_EXP, patchlevel), origargv); | |
13281fa4 | 2292 | #endif |
463ee0b2 | 2293 | croak("Can't do setuid\n"); |
13281fa4 LW |
2294 | } |
2295 | ||
83025b21 | 2296 | if (statbuf.st_mode & S_ISGID && statbuf.st_gid != egid) { |
fe14fcc3 | 2297 | #ifdef HAS_SETEGID |
a687059c LW |
2298 | (void)setegid(statbuf.st_gid); |
2299 | #else | |
fe14fcc3 | 2300 | #ifdef HAS_SETREGID |
85e6fe83 LW |
2301 | (void)setregid((Gid_t)-1,statbuf.st_gid); |
2302 | #else | |
2303 | #ifdef HAS_SETRESGID | |
2304 | (void)setresgid((Gid_t)-1,statbuf.st_gid,(Gid_t)-1); | |
a687059c LW |
2305 | #else |
2306 | setgid(statbuf.st_gid); | |
2307 | #endif | |
2308 | #endif | |
85e6fe83 | 2309 | #endif |
83025b21 | 2310 | if (getegid() != statbuf.st_gid) |
463ee0b2 | 2311 | croak("Can't do setegid!\n"); |
83025b21 | 2312 | } |
a687059c LW |
2313 | if (statbuf.st_mode & S_ISUID) { |
2314 | if (statbuf.st_uid != euid) | |
fe14fcc3 | 2315 | #ifdef HAS_SETEUID |
a687059c LW |
2316 | (void)seteuid(statbuf.st_uid); /* all that for this */ |
2317 | #else | |
fe14fcc3 | 2318 | #ifdef HAS_SETREUID |
85e6fe83 LW |
2319 | (void)setreuid((Uid_t)-1,statbuf.st_uid); |
2320 | #else | |
2321 | #ifdef HAS_SETRESUID | |
2322 | (void)setresuid((Uid_t)-1,statbuf.st_uid,(Uid_t)-1); | |
a687059c LW |
2323 | #else |
2324 | setuid(statbuf.st_uid); | |
2325 | #endif | |
2326 | #endif | |
85e6fe83 | 2327 | #endif |
83025b21 | 2328 | if (geteuid() != statbuf.st_uid) |
463ee0b2 | 2329 | croak("Can't do seteuid!\n"); |
a687059c | 2330 | } |
83025b21 | 2331 | else if (uid) { /* oops, mustn't run as root */ |
fe14fcc3 | 2332 | #ifdef HAS_SETEUID |
85e6fe83 | 2333 | (void)seteuid((Uid_t)uid); |
a687059c | 2334 | #else |
fe14fcc3 | 2335 | #ifdef HAS_SETREUID |
85e6fe83 | 2336 | (void)setreuid((Uid_t)-1,(Uid_t)uid); |
a687059c | 2337 | #else |
85e6fe83 LW |
2338 | #ifdef HAS_SETRESUID |
2339 | (void)setresuid((Uid_t)-1,(Uid_t)uid,(Uid_t)-1); | |
2340 | #else | |
2341 | setuid((Uid_t)uid); | |
2342 | #endif | |
a687059c LW |
2343 | #endif |
2344 | #endif | |
83025b21 | 2345 | if (geteuid() != uid) |
463ee0b2 | 2346 | croak("Can't do seteuid!\n"); |
83025b21 | 2347 | } |
748a9306 | 2348 | init_ids(); |
27e2fb84 | 2349 | if (!cando(S_IXUSR,TRUE,&statbuf)) |
463ee0b2 | 2350 | croak("Permission denied\n"); /* they can't do this */ |
13281fa4 LW |
2351 | } |
2352 | #ifdef IAMSUID | |
2353 | else if (preprocess) | |
463ee0b2 | 2354 | croak("-P not allowed for setuid/setgid script\n"); |
96436eeb | 2355 | else if (fdscript >= 0) |
2356 | croak("fd script not allowed in suidperl\n"); | |
13281fa4 | 2357 | else |
463ee0b2 | 2358 | croak("Script is not setuid/setgid in suidperl\n"); |
96436eeb | 2359 | |
2360 | /* We absolutely must clear out any saved ids here, so we */ | |
2361 | /* exec the real perl, substituting fd script for scriptname. */ | |
2362 | /* (We pass script name as "subdir" of fd, which perl will grok.) */ | |
760ac839 LW |
2363 | PerlIO_rewind(rsfp); |
2364 | lseek(PerlIO_fileno(rsfp),(Off_t)0,0); /* just in case rewind didn't */ | |
96436eeb | 2365 | for (which = 1; origargv[which] && origargv[which] != scriptname; which++) ; |
2366 | if (!origargv[which]) | |
2367 | croak("Permission denied"); | |
46fc3d4c | 2368 | origargv[which] = savepv(form("/dev/fd/%d/%s", |
2369 | PerlIO_fileno(rsfp), origargv[which])); | |
96436eeb | 2370 | #if defined(HAS_FCNTL) && defined(F_SETFD) |
760ac839 | 2371 | fcntl(PerlIO_fileno(rsfp),F_SETFD,0); /* ensure no close-on-exec */ |
96436eeb | 2372 | #endif |
46fc3d4c | 2373 | execv(form("%s/perl%s", BIN_EXP, patchlevel), origargv); /* try again */ |
96436eeb | 2374 | croak("Can't do setuid\n"); |
13281fa4 | 2375 | #endif /* IAMSUID */ |
a687059c | 2376 | #else /* !DOSUID */ |
a687059c LW |
2377 | if (euid != uid || egid != gid) { /* (suidperl doesn't exist, in fact) */ |
2378 | #ifndef SETUID_SCRIPTS_ARE_SECURE_NOW | |
96827780 | 2379 | dTHR; |
760ac839 | 2380 | Fstat(PerlIO_fileno(rsfp),&statbuf); /* may be either wrapped or real suid */ |
a687059c LW |
2381 | if ((euid != uid && euid == statbuf.st_uid && statbuf.st_mode & S_ISUID) |
2382 | || | |
2383 | (egid != gid && egid == statbuf.st_gid && statbuf.st_mode & S_ISGID) | |
2384 | ) | |
2385 | if (!do_undump) | |
463ee0b2 | 2386 | croak("YOU HAVEN'T DISABLED SET-ID SCRIPTS IN THE KERNEL YET!\n\ |
a687059c LW |
2387 | FIX YOUR KERNEL, PUT A C WRAPPER AROUND THIS SCRIPT, OR USE -u AND UNDUMP!\n"); |
2388 | #endif /* SETUID_SCRIPTS_ARE_SECURE_NOW */ | |
2389 | /* not set-id, must be wrapped */ | |
a687059c | 2390 | } |
13281fa4 | 2391 | #endif /* DOSUID */ |
79072805 | 2392 | } |
13281fa4 | 2393 | |
79072805 LW |
2394 | static void |
2395 | find_beginning() | |
2396 | { | |
6e72f9df | 2397 | register char *s, *s2; |
33b78306 LW |
2398 | |
2399 | /* skip forward in input to the real script? */ | |
2400 | ||
bbce6d69 | 2401 | forbid_setid("-x"); |
33b78306 | 2402 | while (doextract) { |
79072805 | 2403 | if ((s = sv_gets(linestr, rsfp, 0)) == Nullch) |
463ee0b2 | 2404 | croak("No Perl script found in input\n"); |
6e72f9df | 2405 | if (*s == '#' && s[1] == '!' && (s = instr(s,"perl"))) { |
760ac839 | 2406 | PerlIO_ungetc(rsfp, '\n'); /* to keep line count right */ |
33b78306 | 2407 | doextract = FALSE; |
6e72f9df | 2408 | while (*s && !(isSPACE (*s) || *s == '#')) s++; |
2409 | s2 = s; | |
2410 | while (*s == ' ' || *s == '\t') s++; | |
2411 | if (*s++ == '-') { | |
2412 | while (isDIGIT(s2[-1]) || strchr("-._", s2[-1])) s2--; | |
2413 | if (strnEQ(s2-4,"perl",4)) | |
2414 | /*SUPPRESS 530*/ | |
2415 | while (s = moreswitches(s)) ; | |
33b78306 | 2416 | } |
79072805 | 2417 | if (cddir && chdir(cddir) < 0) |
463ee0b2 | 2418 | croak("Can't chdir to %s",cddir); |
83025b21 LW |
2419 | } |
2420 | } | |
2421 | } | |
2422 | ||
79072805 | 2423 | static void |
748a9306 | 2424 | init_ids() |
352d5a3a | 2425 | { |
748a9306 LW |
2426 | uid = (int)getuid(); |
2427 | euid = (int)geteuid(); | |
2428 | gid = (int)getgid(); | |
2429 | egid = (int)getegid(); | |
2430 | #ifdef VMS | |
2431 | uid |= gid << 16; | |
2432 | euid |= egid << 16; | |
2433 | #endif | |
4633a7c4 | 2434 | tainting |= (uid && (euid != uid || egid != gid)); |
748a9306 | 2435 | } |
79072805 | 2436 | |
748a9306 | 2437 | static void |
bbce6d69 | 2438 | forbid_setid(s) |
2439 | char *s; | |
2440 | { | |
2441 | if (euid != uid) | |
2442 | croak("No %s allowed while running setuid", s); | |
2443 | if (egid != gid) | |
2444 | croak("No %s allowed while running setgid", s); | |
2445 | } | |
2446 | ||
2447 | static void | |
748a9306 LW |
2448 | init_debugger() |
2449 | { | |
11343788 | 2450 | dTHR; |
79072805 | 2451 | curstash = debstash; |
748a9306 | 2452 | dbargs = GvAV(gv_AVadd((gv_fetchpv("args", GV_ADDMULTI, SVt_PVAV)))); |
79072805 | 2453 | AvREAL_off(dbargs); |
a0d0e21e LW |
2454 | DBgv = gv_fetchpv("DB", GV_ADDMULTI, SVt_PVGV); |
2455 | DBline = gv_fetchpv("dbline", GV_ADDMULTI, SVt_PVAV); | |
748a9306 LW |
2456 | DBsub = gv_HVadd(gv_fetchpv("sub", GV_ADDMULTI, SVt_PVHV)); |
2457 | DBsingle = GvSV((gv_fetchpv("single", GV_ADDMULTI, SVt_PV))); | |
c07a80fd | 2458 | sv_setiv(DBsingle, 0); |
748a9306 | 2459 | DBtrace = GvSV((gv_fetchpv("trace", GV_ADDMULTI, SVt_PV))); |
c07a80fd | 2460 | sv_setiv(DBtrace, 0); |
748a9306 | 2461 | DBsignal = GvSV((gv_fetchpv("signal", GV_ADDMULTI, SVt_PV))); |
c07a80fd | 2462 | sv_setiv(DBsignal, 0); |
79072805 | 2463 | curstash = defstash; |
352d5a3a LW |
2464 | } |
2465 | ||
11343788 MB |
2466 | void |
2467 | init_stacks(ARGS) | |
2468 | dARGS | |
79072805 | 2469 | { |
6e72f9df | 2470 | curstack = newAV(); |
5f05dabc | 2471 | mainstack = curstack; /* remember in case we switch stacks */ |
2472 | AvREAL_off(curstack); /* not a real array */ | |
6e72f9df | 2473 | av_extend(curstack,127); |
79072805 | 2474 | |
6e72f9df | 2475 | stack_base = AvARRAY(curstack); |
79072805 | 2476 | stack_sp = stack_base; |
8990e307 | 2477 | stack_max = stack_base + 127; |
79072805 | 2478 | |
a5f75d66 AD |
2479 | cxstack_max = 8192 / sizeof(CONTEXT) - 2; /* Use most of 8K. */ |
2480 | New(50,cxstack,cxstack_max + 1,CONTEXT); | |
8990e307 | 2481 | cxstack_ix = -1; |
8990e307 LW |
2482 | |
2483 | New(50,tmps_stack,128,SV*); | |
6d4ff0d2 | 2484 | tmps_floor = -1; |
8990e307 LW |
2485 | tmps_ix = -1; |
2486 | tmps_max = 128; | |
2487 | ||
5f05dabc | 2488 | /* |
2489 | * The following stacks almost certainly should be per-interpreter, | |
2490 | * but for now they're not. XXX | |
2491 | */ | |
2492 | ||
6e72f9df | 2493 | if (markstack) { |
2494 | markstack_ptr = markstack; | |
2495 | } else { | |
2496 | New(54,markstack,64,I32); | |
2497 | markstack_ptr = markstack; | |
2498 | markstack_max = markstack + 64; | |
2499 | } | |
79072805 | 2500 | |
6e72f9df | 2501 | if (scopestack) { |
2502 | scopestack_ix = 0; | |
2503 | } else { | |
2504 | New(54,scopestack,32,I32); | |
2505 | scopestack_ix = 0; | |
2506 | scopestack_max = 32; | |
2507 | } | |
79072805 | 2508 | |
6e72f9df | 2509 | if (savestack) { |
2510 | savestack_ix = 0; | |
2511 | } else { | |
2512 | New(54,savestack,128,ANY); | |
2513 | savestack_ix = 0; | |
2514 | savestack_max = 128; | |
2515 | } | |
79072805 | 2516 | |
6e72f9df | 2517 | if (retstack) { |
2518 | retstack_ix = 0; | |
2519 | } else { | |
2520 | New(54,retstack,16,OP*); | |
2521 | retstack_ix = 0; | |
2522 | retstack_max = 16; | |
5f05dabc | 2523 | } |
378cc40b | 2524 | } |
33b78306 | 2525 | |
6e72f9df | 2526 | static void |
2527 | nuke_stacks() | |
2528 | { | |
e858de61 | 2529 | dTHR; |
6e72f9df | 2530 | Safefree(cxstack); |
2531 | Safefree(tmps_stack); | |
5f05dabc | 2532 | DEBUG( { |
2533 | Safefree(debname); | |
2534 | Safefree(debdelim); | |
2535 | } ) | |
378cc40b | 2536 | } |
33b78306 | 2537 | |
760ac839 | 2538 | static PerlIO *tmpfp; /* moved outside init_lexer() because of UNICOS bug */ |
7aa04957 | 2539 | |
79072805 | 2540 | static void |
8990e307 LW |
2541 | init_lexer() |
2542 | { | |
a0d0e21e | 2543 | tmpfp = rsfp; |
90248788 | 2544 | rsfp = Nullfp; |
8990e307 LW |
2545 | lex_start(linestr); |
2546 | rsfp = tmpfp; | |
2547 | subname = newSVpv("main",4); | |
2548 | } | |
2549 | ||
2550 | static void | |
79072805 | 2551 | init_predump_symbols() |
45d8adaa | 2552 | { |
11343788 | 2553 | dTHR; |
93a17b20 | 2554 | GV *tmpgv; |
a0d0e21e | 2555 | GV *othergv; |
79072805 | 2556 | |
85e6fe83 | 2557 | sv_setpvn(GvSV(gv_fetchpv("\"", TRUE, SVt_PV)), " ", 1); |
79072805 | 2558 | |
85e6fe83 | 2559 | stdingv = gv_fetchpv("STDIN",TRUE, SVt_PVIO); |
a5f75d66 | 2560 | GvMULTI_on(stdingv); |
760ac839 | 2561 | IoIFP(GvIOp(stdingv)) = PerlIO_stdin(); |
adbc6bb1 | 2562 | tmpgv = gv_fetchpv("stdin",TRUE, SVt_PV); |
a5f75d66 | 2563 | GvMULTI_on(tmpgv); |
a0d0e21e | 2564 | GvIOp(tmpgv) = (IO*)SvREFCNT_inc(GvIOp(stdingv)); |
79072805 | 2565 | |
85e6fe83 | 2566 | tmpgv = gv_fetchpv("STDOUT",TRUE, SVt_PVIO); |
a5f75d66 | 2567 | GvMULTI_on(tmpgv); |
760ac839 | 2568 | IoOFP(GvIOp(tmpgv)) = IoIFP(GvIOp(tmpgv)) = PerlIO_stdout(); |
4633a7c4 | 2569 | setdefout(tmpgv); |
adbc6bb1 | 2570 | tmpgv = gv_fetchpv("stdout",TRUE, SVt_PV); |
a5f75d66 | 2571 | GvMULTI_on(tmpgv); |
a0d0e21e | 2572 | GvIOp(tmpgv) = (IO*)SvREFCNT_inc(GvIOp(defoutgv)); |
79072805 | 2573 | |
a0d0e21e | 2574 | othergv = gv_fetchpv("STDERR",TRUE, SVt_PVIO); |
a5f75d66 | 2575 | GvMULTI_on(othergv); |
760ac839 | 2576 | IoOFP(GvIOp(othergv)) = IoIFP(GvIOp(othergv)) = PerlIO_stderr(); |
adbc6bb1 | 2577 | tmpgv = gv_fetchpv("stderr",TRUE, SVt_PV); |
a5f75d66 | 2578 | GvMULTI_on(tmpgv); |
a0d0e21e | 2579 | GvIOp(tmpgv) = (IO*)SvREFCNT_inc(GvIOp(othergv)); |
79072805 LW |
2580 | |
2581 | statname = NEWSV(66,0); /* last filename we did stat on */ | |
ab821d7f | 2582 | |
6e72f9df | 2583 | if (!osname) |
2584 | osname = savepv(OSNAME); | |
79072805 | 2585 | } |
33b78306 | 2586 | |
79072805 LW |
2587 | static void |
2588 | init_postdump_symbols(argc,argv,env) | |
2589 | register int argc; | |
2590 | register char **argv; | |
2591 | register char **env; | |
33b78306 | 2592 | { |
79072805 LW |
2593 | char *s; |
2594 | SV *sv; | |
2595 | GV* tmpgv; | |
fe14fcc3 | 2596 | |
79072805 LW |
2597 | argc--,argv++; /* skip name of script */ |
2598 | if (doswitches) { | |
2599 | for (; argc > 0 && **argv == '-'; argc--,argv++) { | |
2600 | if (!argv[0][1]) | |
2601 | break; | |
2602 | if (argv[0][1] == '-') { | |
2603 | argc--,argv++; | |
2604 | break; | |
2605 | } | |
93a17b20 | 2606 | if (s = strchr(argv[0], '=')) { |
79072805 | 2607 | *s++ = '\0'; |
85e6fe83 | 2608 | sv_setpv(GvSV(gv_fetchpv(argv[0]+1,TRUE, SVt_PV)),s); |
79072805 LW |
2609 | } |
2610 | else | |
85e6fe83 | 2611 | sv_setiv(GvSV(gv_fetchpv(argv[0]+1,TRUE, SVt_PV)),1); |
fe14fcc3 | 2612 | } |
79072805 LW |
2613 | } |
2614 | toptarget = NEWSV(0,0); | |
2615 | sv_upgrade(toptarget, SVt_PVFM); | |
2616 | sv_setpvn(toptarget, "", 0); | |
748a9306 | 2617 | bodytarget = NEWSV(0,0); |
79072805 LW |
2618 | sv_upgrade(bodytarget, SVt_PVFM); |
2619 | sv_setpvn(bodytarget, "", 0); | |
2620 | formtarget = bodytarget; | |
2621 | ||
bbce6d69 | 2622 | TAINT; |
85e6fe83 | 2623 | if (tmpgv = gv_fetchpv("0",TRUE, SVt_PV)) { |
79072805 LW |
2624 | sv_setpv(GvSV(tmpgv),origfilename); |
2625 | magicname("0", "0", 1); | |
2626 | } | |
85e6fe83 | 2627 | if (tmpgv = gv_fetchpv("\030",TRUE, SVt_PV)) |
79072805 | 2628 | sv_setpv(GvSV(tmpgv),origargv[0]); |
85e6fe83 | 2629 | if (argvgv = gv_fetchpv("ARGV",TRUE, SVt_PVAV)) { |
a5f75d66 | 2630 | GvMULTI_on(argvgv); |
79072805 LW |
2631 | (void)gv_AVadd(argvgv); |
2632 | av_clear(GvAVn(argvgv)); | |
2633 | for (; argc > 0; argc--,argv++) { | |
a0d0e21e | 2634 | av_push(GvAVn(argvgv),newSVpv(argv[0],0)); |
79072805 LW |
2635 | } |
2636 | } | |
85e6fe83 | 2637 | if (envgv = gv_fetchpv("ENV",TRUE, SVt_PVHV)) { |
79072805 | 2638 | HV *hv; |
a5f75d66 | 2639 | GvMULTI_on(envgv); |
79072805 | 2640 | hv = GvHVn(envgv); |
5aabfad6 | 2641 | hv_magic(hv, envgv, 'E'); |
a0d0e21e | 2642 | #ifndef VMS /* VMS doesn't have environ array */ |
4633a7c4 LW |
2643 | /* Note that if the supplied env parameter is actually a copy |
2644 | of the global environ then it may now point to free'd memory | |
2645 | if the environment has been modified since. To avoid this | |
2646 | problem we treat env==NULL as meaning 'use the default' | |
2647 | */ | |
2648 | if (!env) | |
2649 | env = environ; | |
5aabfad6 | 2650 | if (env != environ) |
79072805 LW |
2651 | environ[0] = Nullch; |
2652 | for (; *env; env++) { | |
93a17b20 | 2653 | if (!(s = strchr(*env,'='))) |
79072805 LW |
2654 | continue; |
2655 | *s++ = '\0'; | |
137443ea | 2656 | #ifdef WIN32 |
2657 | (void)strupr(*env); | |
2658 | #endif | |
79072805 LW |
2659 | sv = newSVpv(s--,0); |
2660 | (void)hv_store(hv, *env, s - *env, sv, 0); | |
2661 | *s = '='; | |
3e3baf6d TB |
2662 | #if defined(__BORLANDC__) && defined(USE_WIN32_RTL_ENV) |
2663 | /* Sins of the RTL. See note in my_setenv(). */ | |
2664 | (void)putenv(savepv(*env)); | |
2665 | #endif | |
fe14fcc3 | 2666 | } |
4550b24a | 2667 | #endif |
2668 | #ifdef DYNAMIC_ENV_FETCH | |
2669 | HvNAME(hv) = savepv(ENV_HV_NAME); | |
2670 | #endif | |
79072805 | 2671 | } |
bbce6d69 | 2672 | TAINT_NOT; |
85e6fe83 | 2673 | if (tmpgv = gv_fetchpv("$",TRUE, SVt_PV)) |
1e422769 | 2674 | sv_setiv(GvSV(tmpgv), (IV)getpid()); |
33b78306 | 2675 | } |
34de22dd | 2676 | |
79072805 LW |
2677 | static void |
2678 | init_perllib() | |
34de22dd | 2679 | { |
85e6fe83 LW |
2680 | char *s; |
2681 | if (!tainting) { | |
552a7a9b | 2682 | #ifndef VMS |
85e6fe83 LW |
2683 | s = getenv("PERL5LIB"); |
2684 | if (s) | |
774d564b | 2685 | incpush(s, TRUE); |
85e6fe83 | 2686 | else |
774d564b | 2687 | incpush(getenv("PERLLIB"), FALSE); |
552a7a9b | 2688 | #else /* VMS */ |
2689 | /* Treat PERL5?LIB as a possible search list logical name -- the | |
2690 | * "natural" VMS idiom for a Unix path string. We allow each | |
2691 | * element to be a set of |-separated directories for compatibility. | |
2692 | */ | |
2693 | char buf[256]; | |
2694 | int idx = 0; | |
2695 | if (my_trnlnm("PERL5LIB",buf,0)) | |
774d564b | 2696 | do { incpush(buf,TRUE); } while (my_trnlnm("PERL5LIB",buf,++idx)); |
552a7a9b | 2697 | else |
774d564b | 2698 | while (my_trnlnm("PERLLIB",buf,idx++)) incpush(buf,FALSE); |
552a7a9b | 2699 | #endif /* VMS */ |
85e6fe83 | 2700 | } |
34de22dd | 2701 | |
c90c0ff4 | 2702 | /* Use the ~-expanded versions of APPLLIB (undocumented), |
df5cef82 | 2703 | ARCHLIB PRIVLIB SITEARCH SITELIB and OLDARCHLIB |
2704 | */ | |
4633a7c4 | 2705 | #ifdef APPLLIB_EXP |
774d564b | 2706 | incpush(APPLLIB_EXP, FALSE); |
16d20bd9 | 2707 | #endif |
4633a7c4 | 2708 | |
fed7345c | 2709 | #ifdef ARCHLIB_EXP |
774d564b | 2710 | incpush(ARCHLIB_EXP, FALSE); |
a0d0e21e | 2711 | #endif |
fed7345c AD |
2712 | #ifndef PRIVLIB_EXP |
2713 | #define PRIVLIB_EXP "/usr/local/lib/perl5:/usr/local/lib/perl" | |
34de22dd | 2714 | #endif |
774d564b | 2715 | incpush(PRIVLIB_EXP, FALSE); |
4633a7c4 LW |
2716 | |
2717 | #ifdef SITEARCH_EXP | |
774d564b | 2718 | incpush(SITEARCH_EXP, FALSE); |
4633a7c4 LW |
2719 | #endif |
2720 | #ifdef SITELIB_EXP | |
774d564b | 2721 | incpush(SITELIB_EXP, FALSE); |
4633a7c4 LW |
2722 | #endif |
2723 | #ifdef OLDARCHLIB_EXP /* 5.00[01] compatibility */ | |
774d564b | 2724 | incpush(OLDARCHLIB_EXP, FALSE); |
4633a7c4 | 2725 | #endif |
a0d0e21e | 2726 | |
4633a7c4 | 2727 | if (!tainting) |
774d564b | 2728 | incpush(".", FALSE); |
2729 | } | |
2730 | ||
2731 | #if defined(DOSISH) | |
2732 | # define PERLLIB_SEP ';' | |
2733 | #else | |
2734 | # if defined(VMS) | |
2735 | # define PERLLIB_SEP '|' | |
2736 | # else | |
2737 | # define PERLLIB_SEP ':' | |
2738 | # endif | |
2739 | #endif | |
2740 | #ifndef PERLLIB_MANGLE | |
2741 | # define PERLLIB_MANGLE(s,n) (s) | |
2742 | #endif | |
2743 | ||
2744 | static void | |
2745 | incpush(p, addsubdirs) | |
2746 | char *p; | |
2747 | int addsubdirs; | |
2748 | { | |
2749 | SV *subdir = Nullsv; | |
2750 | static char *archpat_auto; | |
2751 | ||
2752 | if (!p) | |
2753 | return; | |
2754 | ||
2755 | if (addsubdirs) { | |
2756 | subdir = newSV(0); | |
2757 | if (!archpat_auto) { | |
2758 | STRLEN len = (sizeof(ARCHNAME) + strlen(patchlevel) | |
2759 | + sizeof("//auto")); | |
2760 | New(55, archpat_auto, len, char); | |
2761 | sprintf(archpat_auto, "/%s/%s/auto", ARCHNAME, patchlevel); | |
aa689395 | 2762 | #ifdef VMS |
2763 | for (len = sizeof(ARCHNAME) + 2; | |
2764 | archpat_auto[len] != '\0' && archpat_auto[len] != '/'; len++) | |
2765 | if (archpat_auto[len] == '.') archpat_auto[len] = '_'; | |
2766 | #endif | |
774d564b | 2767 | } |
2768 | } | |
2769 | ||
2770 | /* Break at all separators */ | |
2771 | while (p && *p) { | |
2772 | SV *libdir = newSV(0); | |
2773 | char *s; | |
2774 | ||
2775 | /* skip any consecutive separators */ | |
2776 | while ( *p == PERLLIB_SEP ) { | |
2777 | /* Uncomment the next line for PATH semantics */ | |
2778 | /* av_push(GvAVn(incgv), newSVpv(".", 1)); */ | |
2779 | p++; | |
2780 | } | |
2781 | ||
2782 | if ( (s = strchr(p, PERLLIB_SEP)) != Nullch ) { | |
2783 | sv_setpvn(libdir, PERLLIB_MANGLE(p, (STRLEN)(s - p)), | |
2784 | (STRLEN)(s - p)); | |
2785 | p = s + 1; | |
2786 | } | |
2787 | else { | |
2788 | sv_setpv(libdir, PERLLIB_MANGLE(p, 0)); | |
2789 | p = Nullch; /* break out */ | |
2790 | } | |
2791 | ||
2792 | /* | |
2793 | * BEFORE pushing libdir onto @INC we may first push version- and | |
2794 | * archname-specific sub-directories. | |
2795 | */ | |
2796 | if (addsubdirs) { | |
2797 | struct stat tmpstatbuf; | |
aa689395 | 2798 | #ifdef VMS |
2799 | char *unix; | |
2800 | STRLEN len; | |
774d564b | 2801 | |
aa689395 | 2802 | if ((unix = tounixspec_ts(SvPV(libdir,na),Nullch)) != Nullch) { |
2803 | len = strlen(unix); | |
2804 | while (unix[len-1] == '/') len--; /* Cosmetic */ | |
2805 | sv_usepvn(libdir,unix,len); | |
2806 | } | |
2807 | else | |
2808 | PerlIO_printf(PerlIO_stderr(), | |
2809 | "Failed to unixify @INC element \"%s\"\n", | |
2810 | SvPV(libdir,na)); | |
2811 | #endif | |
4fdae800 | 2812 | /* .../archname/version if -d .../archname/version/auto */ |
774d564b | 2813 | sv_setsv(subdir, libdir); |
2814 | sv_catpv(subdir, archpat_auto); | |
2815 | if (Stat(SvPVX(subdir), &tmpstatbuf) >= 0 && | |
2816 | S_ISDIR(tmpstatbuf.st_mode)) | |
2817 | av_push(GvAVn(incgv), | |
2818 | newSVpv(SvPVX(subdir), SvCUR(subdir) - sizeof "auto")); | |
2819 | ||
4fdae800 | 2820 | /* .../archname if -d .../archname/auto */ |
774d564b | 2821 | sv_insert(subdir, SvCUR(libdir) + sizeof(ARCHNAME), |
2822 | strlen(patchlevel) + 1, "", 0); | |
2823 | if (Stat(SvPVX(subdir), &tmpstatbuf) >= 0 && | |
2824 | S_ISDIR(tmpstatbuf.st_mode)) | |
2825 | av_push(GvAVn(incgv), | |
2826 | newSVpv(SvPVX(subdir), SvCUR(subdir) - sizeof "auto")); | |
2827 | } | |
2828 | ||
2829 | /* finally push this lib directory on the end of @INC */ | |
2830 | av_push(GvAVn(incgv), libdir); | |
2831 | } | |
2832 | ||
2833 | SvREFCNT_dec(subdir); | |
34de22dd | 2834 | } |
93a17b20 LW |
2835 | |
2836 | void | |
68dc0745 | 2837 | call_list(oldscope, list) |
2ae324a7 | 2838 | I32 oldscope; |
93a17b20 LW |
2839 | AV* list; |
2840 | { | |
11343788 | 2841 | dTHR; |
a0d0e21e | 2842 | line_t oldline = curcop->cop_line; |
22921e25 CS |
2843 | STRLEN len; |
2844 | dJMPENV; | |
2845 | int ret; | |
93a17b20 | 2846 | |
8990e307 LW |
2847 | while (AvFILL(list) >= 0) { |
2848 | CV *cv = (CV*)av_shift(list); | |
93a17b20 | 2849 | |
8990e307 | 2850 | SAVEFREESV(cv); |
a0d0e21e | 2851 | |
22921e25 CS |
2852 | JMPENV_PUSH(ret); |
2853 | switch (ret) { | |
748a9306 | 2854 | case 0: { |
4633a7c4 | 2855 | SV* atsv = GvSV(errgv); |
748a9306 LW |
2856 | PUSHMARK(stack_sp); |
2857 | perl_call_sv((SV*)cv, G_EVAL|G_DISCARD); | |
2858 | (void)SvPV(atsv, len); | |
2859 | if (len) { | |
54310121 | 2860 | JMPENV_POP; |
748a9306 LW |
2861 | curcop = &compiling; |
2862 | curcop->cop_line = oldline; | |
2863 | if (list == beginav) | |
2864 | sv_catpv(atsv, "BEGIN failed--compilation aborted"); | |
2865 | else | |
2866 | sv_catpv(atsv, "END failed--cleanup aborted"); | |
2ae324a7 | 2867 | while (scopestack_ix > oldscope) |
2868 | LEAVE; | |
748a9306 LW |
2869 | croak("%s", SvPVX(atsv)); |
2870 | } | |
a0d0e21e | 2871 | } |
85e6fe83 LW |
2872 | break; |
2873 | case 1: | |
f86702cc | 2874 | STATUS_ALL_FAILURE; |
85e6fe83 LW |
2875 | /* FALL THROUGH */ |
2876 | case 2: | |
2877 | /* my_exit() was called */ | |
2ae324a7 | 2878 | while (scopestack_ix > oldscope) |
2879 | LEAVE; | |
84902520 | 2880 | FREETMPS; |
85e6fe83 LW |
2881 | curstash = defstash; |
2882 | if (endav) | |
68dc0745 | 2883 | call_list(oldscope, endav); |
54310121 | 2884 | JMPENV_POP; |
a0d0e21e LW |
2885 | curcop = &compiling; |
2886 | curcop->cop_line = oldline; | |
85e6fe83 LW |
2887 | if (statusvalue) { |
2888 | if (list == beginav) | |
a0d0e21e | 2889 | croak("BEGIN failed--compilation aborted"); |
85e6fe83 | 2890 | else |
a0d0e21e | 2891 | croak("END failed--cleanup aborted"); |
85e6fe83 | 2892 | } |
f86702cc | 2893 | my_exit_jump(); |
85e6fe83 | 2894 | /* NOTREACHED */ |
85e6fe83 LW |
2895 | case 3: |
2896 | if (!restartop) { | |
760ac839 | 2897 | PerlIO_printf(PerlIO_stderr(), "panic: restartop\n"); |
a0d0e21e | 2898 | FREETMPS; |
85e6fe83 LW |
2899 | break; |
2900 | } | |
54310121 | 2901 | JMPENV_POP; |
a0d0e21e LW |
2902 | curcop = &compiling; |
2903 | curcop->cop_line = oldline; | |
54310121 | 2904 | JMPENV_JUMP(3); |
8990e307 | 2905 | } |
54310121 | 2906 | JMPENV_POP; |
93a17b20 | 2907 | } |
93a17b20 | 2908 | } |
93a17b20 | 2909 | |
f86702cc | 2910 | void |
2911 | my_exit(status) | |
2912 | U32 status; | |
2913 | { | |
5dc0d613 MB |
2914 | dTHR; |
2915 | ||
2916 | #ifdef USE_THREADS | |
2917 | DEBUG_L(PerlIO_printf(Perl_debug_log, "my_exit: thread 0x%lx, status %lu\n", | |
2918 | (unsigned long) thr, (unsigned long) status)); | |
2919 | #endif /* USE_THREADS */ | |
f86702cc | 2920 | switch (status) { |
2921 | case 0: | |
2922 | STATUS_ALL_SUCCESS; | |
2923 | break; | |
2924 | case 1: | |
2925 | STATUS_ALL_FAILURE; | |
2926 | break; | |
2927 | default: | |
2928 | STATUS_NATIVE_SET(status); | |
2929 | break; | |
2930 | } | |
2931 | my_exit_jump(); | |
2932 | } | |
2933 | ||
2934 | void | |
2935 | my_failure_exit() | |
2936 | { | |
2937 | #ifdef VMS | |
2938 | if (vaxc$errno & 1) { | |
4fdae800 | 2939 | if (STATUS_NATIVE & 1) /* fortuitiously includes "-1" */ |
2940 | STATUS_NATIVE_SET(44); | |
f86702cc | 2941 | } |
2942 | else { | |
ff0cee69 | 2943 | if (!vaxc$errno && errno) /* unlikely */ |
4fdae800 | 2944 | STATUS_NATIVE_SET(44); |
f86702cc | 2945 | else |
4fdae800 | 2946 | STATUS_NATIVE_SET(vaxc$errno); |
f86702cc | 2947 | } |
2948 | #else | |
2949 | if (errno & 255) | |
2950 | STATUS_POSIX_SET(errno); | |
2951 | else if (STATUS_POSIX == 0) | |
2952 | STATUS_POSIX_SET(255); | |
2953 | #endif | |
2954 | my_exit_jump(); | |
93a17b20 LW |
2955 | } |
2956 | ||
f86702cc | 2957 | static void |
2958 | my_exit_jump() | |
2959 | { | |
e858de61 | 2960 | dTHR; |
f86702cc | 2961 | register CONTEXT *cx; |
2962 | I32 gimme; | |
2963 | SV **newsp; | |
2964 | ||
2965 | if (e_tmpname) { | |
2966 | if (e_fp) { | |
2967 | PerlIO_close(e_fp); | |
2968 | e_fp = Nullfp; | |
2969 | } | |
2970 | (void)UNLINK(e_tmpname); | |
2971 | Safefree(e_tmpname); | |
2972 | e_tmpname = Nullch; | |
2973 | } | |
2974 | ||
2975 | if (cxstack_ix >= 0) { | |
2976 | if (cxstack_ix > 0) | |
2977 | dounwind(0); | |
2978 | POPBLOCK(cx,curpm); | |
2979 | LEAVE; | |
2980 | } | |
ff0cee69 | 2981 | |
54310121 | 2982 | JMPENV_JUMP(2); |
f86702cc | 2983 | } |