Commit | Line | Data |
---|---|---|
a0d0e21e LW |
1 | /* perl.c |
2 | * | |
a411490c | 3 | * Copyright (c) 1987-1998 Larry Wall |
a687059c | 4 | * |
352d5a3a LW |
5 | * You may distribute under the terms of either the GNU General Public |
6 | * License or the Artistic License, as specified in the README file. | |
a687059c | 7 | * |
8d063cd8 LW |
8 | */ |
9 | ||
a0d0e21e LW |
10 | /* |
11 | * "A ship then new they built for him/of mithril and of elven glass" --Bilbo | |
12 | */ | |
45d8adaa | 13 | |
378cc40b LW |
14 | #include "EXTERN.h" |
15 | #include "perl.h" | |
a687059c | 16 | #include "patchlevel.h" |
378cc40b | 17 | |
df5cef82 | 18 | /* XXX If this causes problems, set i_unistd=undef in the hint file. */ |
a0d0e21e LW |
19 | #ifdef I_UNISTD |
20 | #include <unistd.h> | |
21 | #endif | |
a0d0e21e | 22 | |
54310121 | 23 | #if !defined(STANDARD_C) && !defined(HAS_GETENV_PROTOTYPE) |
24 | char *getenv _((char *)); /* Usually in <stdlib.h> */ | |
25 | #endif | |
26 | ||
51fa4eea JH |
27 | #ifdef I_FCNTL |
28 | #include <fcntl.h> | |
29 | #endif | |
30 | #ifdef I_SYS_FILE | |
31 | #include <sys/file.h> | |
32 | #endif | |
33 | ||
71be2cbc | 34 | dEXTCONST char rcsid[] = "perl.c\nPatch level: ###\n"; |
463ee0b2 | 35 | |
a687059c LW |
36 | #ifdef IAMSUID |
37 | #ifndef DOSUID | |
38 | #define DOSUID | |
39 | #endif | |
40 | #endif | |
378cc40b | 41 | |
a687059c LW |
42 | #ifdef SETUID_SCRIPTS_ARE_SECURE_NOW |
43 | #ifdef DOSUID | |
44 | #undef DOSUID | |
45 | #endif | |
46 | #endif | |
8d063cd8 | 47 | |
8ebc5c01 | 48 | #define I_REINIT \ |
49 | STMT_START { \ | |
50 | chopset = " \n-"; \ | |
51 | copline = NOLINE; \ | |
52 | curcop = &compiling; \ | |
53 | curcopdb = NULL; \ | |
54 | cxstack_ix = -1; \ | |
55 | cxstack_max = 128; \ | |
56 | dbargs = 0; \ | |
57 | dlmax = 128; \ | |
58 | laststatval = -1; \ | |
59 | laststype = OP_STAT; \ | |
60 | maxscream = -1; \ | |
61 | maxsysfd = MAXSYSFD; \ | |
62 | statname = Nullsv; \ | |
63 | tmps_floor = -1; \ | |
64 | tmps_ix = -1; \ | |
65 | op_mask = NULL; \ | |
66 | dlmax = 128; \ | |
67 | laststatval = -1; \ | |
68 | laststype = OP_STAT; \ | |
46fc3d4c | 69 | mess_sv = Nullsv; \ |
8ebc5c01 | 70 | } STMT_END |
71 | ||
76e3520e | 72 | #ifndef PERL_OBJECT |
a0d0e21e | 73 | static void find_beginning _((void)); |
bbce6d69 | 74 | static void forbid_setid _((char *)); |
774d564b | 75 | static void incpush _((char *, int)); |
748a9306 | 76 | static void init_ids _((void)); |
a0d0e21e LW |
77 | static void init_debugger _((void)); |
78 | static void init_lexer _((void)); | |
79 | static void init_main_stash _((void)); | |
199100c8 | 80 | #ifdef USE_THREADS |
52e1cb5e | 81 | static struct perl_thread * init_main_thread _((void)); |
199100c8 | 82 | #endif /* USE_THREADS */ |
a0d0e21e LW |
83 | static void init_perllib _((void)); |
84 | static void init_postdump_symbols _((int, char **, char **)); | |
85 | static void init_predump_symbols _((void)); | |
f86702cc | 86 | static void my_exit_jump _((void)) __attribute__((noreturn)); |
6e72f9df | 87 | static void nuke_stacks _((void)); |
01f988be | 88 | static void open_script _((char *, bool, SV *, int *fd)); |
ab821d7f | 89 | static void usage _((char *)); |
01f988be | 90 | static void validate_suid _((char *, char*, int)); |
afe37c7d | 91 | static I32 read_e_script _((int idx, SV *buf_sv, int maxlen)); |
76e3520e | 92 | #endif |
96436eeb | 93 | |
01f988be GS |
94 | #ifdef PERL_OBJECT |
95 | CPerlObj* perl_alloc(IPerlMem* ipM, IPerlEnv* ipE, IPerlStdIO* ipStd, | |
96 | IPerlLIO* ipLIO, IPerlDir* ipD, IPerlSock* ipS, IPerlProc* ipP) | |
97 | { | |
98 | CPerlObj* pPerl = new(ipM) CPerlObj(ipM, ipE, ipStd, ipLIO, ipD, ipS, ipP); | |
99 | if(pPerl != NULL) | |
100 | pPerl->Init(); | |
79072805 | 101 | |
01f988be GS |
102 | return pPerl; |
103 | } | |
104 | #else | |
93a17b20 | 105 | PerlInterpreter * |
8ac85365 | 106 | perl_alloc(void) |
79072805 | 107 | { |
93a17b20 | 108 | PerlInterpreter *sv_interp; |
79072805 | 109 | |
8990e307 | 110 | curinterp = 0; |
93a17b20 | 111 | New(53, sv_interp, 1, PerlInterpreter); |
79072805 LW |
112 | return sv_interp; |
113 | } | |
01f988be | 114 | #endif /* PERL_OBJECT */ |
79072805 LW |
115 | |
116 | void | |
76e3520e GS |
117 | #ifdef PERL_OBJECT |
118 | CPerlObj::perl_construct(void) | |
119 | #else | |
8ac85365 | 120 | perl_construct(register PerlInterpreter *sv_interp) |
76e3520e | 121 | #endif |
79072805 | 122 | { |
a863c7d1 MB |
123 | #ifdef USE_THREADS |
124 | int i; | |
125 | #ifndef FAKE_THREADS | |
52e1cb5e | 126 | struct perl_thread *thr; |
a863c7d1 MB |
127 | #endif /* FAKE_THREADS */ |
128 | #endif /* USE_THREADS */ | |
11343788 | 129 | |
76e3520e | 130 | #ifndef PERL_OBJECT |
79072805 LW |
131 | if (!(curinterp = sv_interp)) |
132 | return; | |
76e3520e | 133 | #endif |
79072805 | 134 | |
8990e307 | 135 | #ifdef MULTIPLICITY |
93a17b20 | 136 | Zero(sv_interp, 1, PerlInterpreter); |
8990e307 | 137 | #endif |
79072805 | 138 | |
33f46ff6 | 139 | /* Init the real globals (and main thread)? */ |
c116a00c | 140 | if (!linestr) { |
11343788 | 141 | #ifdef USE_THREADS |
8023c3ce | 142 | |
33f46ff6 | 143 | INIT_THREADS; |
d55594ae GS |
144 | #ifdef ALLOC_THREAD_KEY |
145 | ALLOC_THREAD_KEY; | |
146 | #else | |
a863c7d1 MB |
147 | if (pthread_key_create(&thr_key, 0)) |
148 | croak("panic: pthread_key_create"); | |
d55594ae | 149 | #endif |
c116a00c | 150 | MUTEX_INIT(&sv_mutex); |
a863c7d1 MB |
151 | /* |
152 | * Safe to use basic SV functions from now on (though | |
153 | * not things like mortals or tainting yet). | |
154 | */ | |
c116a00c MB |
155 | MUTEX_INIT(&eval_mutex); |
156 | COND_INIT(&eval_cond); | |
33f46ff6 | 157 | MUTEX_INIT(&threads_mutex); |
c116a00c | 158 | COND_INIT(&nthreads_cond); |
dce16143 MB |
159 | #ifdef EMULATE_ATOMIC_REFCOUNTS |
160 | MUTEX_INIT(&svref_mutex); | |
161 | #endif /* EMULATE_ATOMIC_REFCOUNTS */ | |
a863c7d1 | 162 | |
199100c8 | 163 | thr = init_main_thread(); |
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 | ||
76e3520e GS |
184 | #ifdef PERL_OBJECT |
185 | /* TODO: */ | |
186 | /* sighandlerp = sighandler; */ | |
187 | #else | |
c23142e2 | 188 | sighandlerp = sighandler; |
76e3520e | 189 | #endif |
44a8e56a | 190 | pidstatus = newHV(); |
191 | ||
79072805 LW |
192 | #ifdef MSDOS |
193 | /* | |
194 | * There is no way we can refer to them from Perl so close them to save | |
195 | * space. The other alternative would be to provide STDAUX and STDPRN | |
196 | * filehandles. | |
197 | */ | |
198 | (void)fclose(stdaux); | |
199 | (void)fclose(stdprn); | |
200 | #endif | |
201 | } | |
202 | ||
1a441de9 | 203 | init_stacks(ARGS); |
8990e307 | 204 | #ifdef MULTIPLICITY |
8ebc5c01 | 205 | I_REINIT; |
206 | perl_destruct_level = 1; | |
207 | #else | |
208 | if(perl_destruct_level > 0) | |
209 | I_REINIT; | |
79072805 LW |
210 | #endif |
211 | ||
748a9306 | 212 | init_ids(); |
fb73857a | 213 | lex_state = LEX_NOTPARSING; |
a5f75d66 | 214 | |
54310121 | 215 | start_env.je_prev = NULL; |
216 | start_env.je_ret = -1; | |
217 | start_env.je_mustcatch = TRUE; | |
218 | top_env = &start_env; | |
f86702cc | 219 | STATUS_ALL_SUCCESS; |
220 | ||
36477c24 | 221 | SET_NUMERIC_STANDARD(); |
a5f75d66 | 222 | #if defined(SUBVERSION) && SUBVERSION > 0 |
e2666263 | 223 | sprintf(patchlevel, "%7.5f", (double) 5 |
224 | + ((double) PATCHLEVEL / (double) 1000) | |
225 | + ((double) SUBVERSION / (double) 100000)); | |
a5f75d66 | 226 | #else |
e2666263 | 227 | sprintf(patchlevel, "%5.3f", (double) 5 + |
228 | ((double) PATCHLEVEL / (double) 1000)); | |
a5f75d66 | 229 | #endif |
79072805 | 230 | |
ab821d7f | 231 | #if defined(LOCAL_PATCH_COUNT) |
6e72f9df | 232 | localpatches = local_patches; /* For possible -v */ |
ab821d7f | 233 | #endif |
234 | ||
4b556e6c | 235 | PerlIO_init(); /* Hook to IO system */ |
760ac839 | 236 | |
4b556e6c JD |
237 | fdpid = newAV(); /* for remembering popen pids by fd */ |
238 | modglobal = newHV(); /* pointers to per-interpreter module globals */ | |
8990e307 | 239 | |
11343788 MB |
240 | DEBUG( { |
241 | New(51,debname,128,char); | |
242 | New(52,debdelim,128,char); | |
243 | } ) | |
244 | ||
8990e307 | 245 | ENTER; |
79072805 LW |
246 | } |
247 | ||
248 | void | |
76e3520e GS |
249 | #ifdef PERL_OBJECT |
250 | CPerlObj::perl_destruct(void) | |
251 | #else | |
8ac85365 | 252 | perl_destruct(register PerlInterpreter *sv_interp) |
76e3520e | 253 | #endif |
79072805 | 254 | { |
11343788 | 255 | dTHR; |
748a9306 | 256 | int destruct_level; /* 0=none, 1=full, 2=full with checks */ |
8990e307 | 257 | I32 last_sv_count; |
a0d0e21e | 258 | HV *hv; |
1f2bfc8a | 259 | #ifdef USE_THREADS |
33f46ff6 | 260 | Thread t; |
1f2bfc8a | 261 | #endif /* USE_THREADS */ |
8990e307 | 262 | |
76e3520e | 263 | #ifndef PERL_OBJECT |
79072805 LW |
264 | if (!(curinterp = sv_interp)) |
265 | return; | |
76e3520e | 266 | #endif |
748a9306 | 267 | |
11343788 | 268 | #ifdef USE_THREADS |
0f15f207 | 269 | #ifndef FAKE_THREADS |
8023c3ce MB |
270 | /* Pass 1 on any remaining threads: detach joinables, join zombies */ |
271 | retry_cleanup: | |
33f46ff6 MB |
272 | MUTEX_LOCK(&threads_mutex); |
273 | DEBUG_L(PerlIO_printf(PerlIO_stderr(), | |
c7848ba1 | 274 | "perl_destruct: waiting for %d threads...\n", |
33f46ff6 MB |
275 | nthreads - 1)); |
276 | for (t = thr->next; t != thr; t = t->next) { | |
605e5515 MB |
277 | MUTEX_LOCK(&t->mutex); |
278 | switch (ThrSTATE(t)) { | |
279 | AV *av; | |
c7848ba1 MB |
280 | case THRf_ZOMBIE: |
281 | DEBUG_L(PerlIO_printf(PerlIO_stderr(), | |
282 | "perl_destruct: joining zombie %p\n", t)); | |
605e5515 MB |
283 | ThrSETSTATE(t, THRf_DEAD); |
284 | MUTEX_UNLOCK(&t->mutex); | |
285 | nthreads--; | |
8023c3ce MB |
286 | /* |
287 | * The SvREFCNT_dec below may take a long time (e.g. av | |
288 | * may contain an object scalar whose destructor gets | |
289 | * called) so we have to unlock threads_mutex and start | |
290 | * all over again. | |
291 | */ | |
605e5515 | 292 | MUTEX_UNLOCK(&threads_mutex); |
ea0efc06 | 293 | JOIN(t, &av); |
605e5515 | 294 | SvREFCNT_dec((SV*)av); |
c7848ba1 MB |
295 | DEBUG_L(PerlIO_printf(PerlIO_stderr(), |
296 | "perl_destruct: joined zombie %p OK\n", t)); | |
8023c3ce | 297 | goto retry_cleanup; |
c7848ba1 MB |
298 | case THRf_R_JOINABLE: |
299 | DEBUG_L(PerlIO_printf(PerlIO_stderr(), | |
300 | "perl_destruct: detaching thread %p\n", t)); | |
301 | ThrSETSTATE(t, THRf_R_DETACHED); | |
302 | /* | |
303 | * We unlock threads_mutex and t->mutex in the opposite order | |
304 | * from which we locked them just so that DETACH won't | |
305 | * deadlock if it panics. It's only a breach of good style | |
306 | * not a bug since they are unlocks not locks. | |
307 | */ | |
308 | MUTEX_UNLOCK(&threads_mutex); | |
309 | DETACH(t); | |
310 | MUTEX_UNLOCK(&t->mutex); | |
8023c3ce | 311 | goto retry_cleanup; |
c7848ba1 MB |
312 | default: |
313 | DEBUG_L(PerlIO_printf(PerlIO_stderr(), | |
314 | "perl_destruct: ignoring %p (state %u)\n", | |
315 | t, ThrSTATE(t))); | |
316 | MUTEX_UNLOCK(&t->mutex); | |
c7848ba1 | 317 | /* fall through and out */ |
33f46ff6 MB |
318 | } |
319 | } | |
8023c3ce MB |
320 | /* We leave the above "Pass 1" loop with threads_mutex still locked */ |
321 | ||
322 | /* Pass 2 on remaining threads: wait for the thread count to drop to one */ | |
11343788 MB |
323 | while (nthreads > 1) |
324 | { | |
33f46ff6 | 325 | DEBUG_L(PerlIO_printf(PerlIO_stderr(), |
c7848ba1 | 326 | "perl_destruct: final wait for %d threads\n", |
33f46ff6 MB |
327 | nthreads - 1)); |
328 | COND_WAIT(&nthreads_cond, &threads_mutex); | |
11343788 MB |
329 | } |
330 | /* At this point, we're the last thread */ | |
33f46ff6 | 331 | MUTEX_UNLOCK(&threads_mutex); |
d9f997d7 | 332 | DEBUG_L(PerlIO_printf(PerlIO_stderr(), "perl_destruct: armageddon has arrived\n")); |
33f46ff6 | 333 | MUTEX_DESTROY(&threads_mutex); |
11343788 | 334 | COND_DESTROY(&nthreads_cond); |
0f15f207 | 335 | #endif /* !defined(FAKE_THREADS) */ |
11343788 MB |
336 | #endif /* USE_THREADS */ |
337 | ||
748a9306 | 338 | destruct_level = perl_destruct_level; |
4633a7c4 LW |
339 | #ifdef DEBUGGING |
340 | { | |
341 | char *s; | |
76e3520e | 342 | if (s = PerlEnv_getenv("PERL_DESTRUCT_LEVEL")) { |
5f05dabc | 343 | int i = atoi(s); |
344 | if (destruct_level < i) | |
345 | destruct_level = i; | |
346 | } | |
4633a7c4 LW |
347 | } |
348 | #endif | |
349 | ||
8990e307 | 350 | LEAVE; |
a0d0e21e LW |
351 | FREETMPS; |
352 | ||
ff0cee69 | 353 | /* We must account for everything. */ |
354 | ||
355 | /* Destroy the main CV and syntax tree */ | |
6e72f9df | 356 | if (main_root) { |
357 | curpad = AvARRAY(comppad); | |
358 | op_free(main_root); | |
ff0cee69 | 359 | main_root = Nullop; |
a0d0e21e | 360 | } |
bac4b2ad | 361 | curcop = &compiling; |
ff0cee69 | 362 | main_start = Nullop; |
363 | SvREFCNT_dec(main_cv); | |
364 | main_cv = Nullcv; | |
365 | ||
a0d0e21e LW |
366 | if (sv_objcount) { |
367 | /* | |
368 | * Try to destruct global references. We do this first so that the | |
369 | * destructors and destructees still exist. Some sv's might remain. | |
370 | * Non-referenced objects are on their own. | |
371 | */ | |
372 | ||
373 | dirty = TRUE; | |
374 | sv_clean_objs(); | |
8990e307 LW |
375 | } |
376 | ||
5cd24f17 | 377 | /* unhook hooks which will soon be, or use, destroyed data */ |
378 | SvREFCNT_dec(warnhook); | |
379 | warnhook = Nullsv; | |
380 | SvREFCNT_dec(diehook); | |
381 | diehook = Nullsv; | |
382 | SvREFCNT_dec(parsehook); | |
383 | parsehook = Nullsv; | |
384 | ||
4b556e6c JD |
385 | /* call exit list functions */ |
386 | while (exitlistlen-- > 0) | |
387 | exitlist[exitlistlen].fn(exitlist[exitlistlen].ptr); | |
388 | ||
389 | Safefree(exitlist); | |
390 | ||
a0d0e21e | 391 | if (destruct_level == 0){ |
8990e307 | 392 | |
a0d0e21e LW |
393 | DEBUG_P(debprofdump()); |
394 | ||
395 | /* The exit() function will do everything that needs doing. */ | |
396 | return; | |
397 | } | |
5dd60ef7 | 398 | |
5f05dabc | 399 | /* loosen bonds of global variables */ |
400 | ||
8ebc5c01 | 401 | if(rsfp) { |
402 | (void)PerlIO_close(rsfp); | |
403 | rsfp = Nullfp; | |
404 | } | |
405 | ||
406 | /* Filters for program text */ | |
407 | SvREFCNT_dec(rsfp_filters); | |
408 | rsfp_filters = Nullav; | |
409 | ||
410 | /* switches */ | |
411 | preprocess = FALSE; | |
412 | minus_n = FALSE; | |
413 | minus_p = FALSE; | |
414 | minus_l = FALSE; | |
415 | minus_a = FALSE; | |
416 | minus_F = FALSE; | |
417 | doswitches = FALSE; | |
418 | dowarn = FALSE; | |
419 | doextract = FALSE; | |
420 | sawampersand = FALSE; /* must save all match strings */ | |
421 | sawstudy = FALSE; /* do fbm_instr on all strings */ | |
422 | sawvec = FALSE; | |
423 | unsafe = FALSE; | |
424 | ||
425 | Safefree(inplace); | |
426 | inplace = Nullch; | |
427 | ||
afe37c7d GS |
428 | if (e_script) { |
429 | SvREFCNT_dec(e_script); | |
430 | e_script = Nullsv; | |
8ebc5c01 | 431 | } |
432 | ||
433 | /* magical thingies */ | |
434 | ||
435 | Safefree(ofs); /* $, */ | |
436 | ofs = Nullch; | |
5f05dabc | 437 | |
8ebc5c01 | 438 | Safefree(ors); /* $\ */ |
439 | ors = Nullch; | |
440 | ||
441 | SvREFCNT_dec(nrs); /* $\ helper */ | |
5f05dabc | 442 | nrs = Nullsv; |
443 | ||
8ebc5c01 | 444 | multiline = 0; /* $* */ |
5f05dabc | 445 | |
8ebc5c01 | 446 | SvREFCNT_dec(statname); |
5f05dabc | 447 | statname = Nullsv; |
448 | statgv = Nullgv; | |
5f05dabc | 449 | |
8ebc5c01 | 450 | /* defgv, aka *_ should be taken care of elsewhere */ |
451 | ||
8ebc5c01 | 452 | /* clean up after study() */ |
453 | SvREFCNT_dec(lastscream); | |
454 | lastscream = Nullsv; | |
455 | Safefree(screamfirst); | |
456 | screamfirst = 0; | |
457 | Safefree(screamnext); | |
458 | screamnext = 0; | |
459 | ||
460 | /* startup and shutdown function lists */ | |
461 | SvREFCNT_dec(beginav); | |
462 | SvREFCNT_dec(endav); | |
77a005ab | 463 | SvREFCNT_dec(initav); |
5618dfe8 | 464 | beginav = Nullav; |
5618dfe8 | 465 | endav = Nullav; |
77a005ab | 466 | initav = Nullav; |
5618dfe8 | 467 | |
8ebc5c01 | 468 | /* shortcuts just get cleared */ |
469 | envgv = Nullgv; | |
470 | siggv = Nullgv; | |
471 | incgv = Nullgv; | |
12f917ad | 472 | errgv = Nullgv; |
8ebc5c01 | 473 | argvgv = Nullgv; |
474 | argvoutgv = Nullgv; | |
475 | stdingv = Nullgv; | |
476 | last_in_gv = Nullgv; | |
477 | ||
478 | /* reset so print() ends up where we expect */ | |
479 | setdefout(Nullgv); | |
480 | ||
a0d0e21e | 481 | /* Prepare to destruct main symbol table. */ |
5f05dabc | 482 | |
a0d0e21e | 483 | hv = defstash; |
85e6fe83 | 484 | defstash = 0; |
a0d0e21e LW |
485 | SvREFCNT_dec(hv); |
486 | ||
487 | FREETMPS; | |
488 | if (destruct_level >= 2) { | |
489 | if (scopestack_ix != 0) | |
ff0cee69 | 490 | warn("Unbalanced scopes: %ld more ENTERs than LEAVEs\n", |
491 | (long)scopestack_ix); | |
a0d0e21e | 492 | if (savestack_ix != 0) |
ff0cee69 | 493 | warn("Unbalanced saves: %ld more saves than restores\n", |
494 | (long)savestack_ix); | |
a0d0e21e | 495 | if (tmps_floor != -1) |
ff0cee69 | 496 | warn("Unbalanced tmps: %ld more allocs than frees\n", |
497 | (long)tmps_floor + 1); | |
a0d0e21e | 498 | if (cxstack_ix != -1) |
ff0cee69 | 499 | warn("Unbalanced context: %ld more PUSHes than POPs\n", |
500 | (long)cxstack_ix + 1); | |
a0d0e21e | 501 | } |
8990e307 LW |
502 | |
503 | /* Now absolutely destruct everything, somehow or other, loops or no. */ | |
8990e307 | 504 | last_sv_count = 0; |
6e72f9df | 505 | SvFLAGS(strtab) |= SVTYPEMASK; /* don't clean out strtab now */ |
8990e307 LW |
506 | while (sv_count != 0 && sv_count != last_sv_count) { |
507 | last_sv_count = sv_count; | |
508 | sv_clean_all(); | |
509 | } | |
6e72f9df | 510 | SvFLAGS(strtab) &= ~SVTYPEMASK; |
511 | SvFLAGS(strtab) |= SVt_PVHV; | |
512 | ||
513 | /* Destruct the global string table. */ | |
514 | { | |
515 | /* Yell and reset the HeVAL() slots that are still holding refcounts, | |
516 | * so that sv_free() won't fail on them. | |
517 | */ | |
518 | I32 riter; | |
519 | I32 max; | |
520 | HE *hent; | |
521 | HE **array; | |
522 | ||
523 | riter = 0; | |
524 | max = HvMAX(strtab); | |
525 | array = HvARRAY(strtab); | |
526 | hent = array[0]; | |
527 | for (;;) { | |
528 | if (hent) { | |
529 | warn("Unbalanced string table refcount: (%d) for \"%s\"", | |
530 | HeVAL(hent) - Nullsv, HeKEY(hent)); | |
531 | HeVAL(hent) = Nullsv; | |
532 | hent = HeNEXT(hent); | |
533 | } | |
534 | if (!hent) { | |
535 | if (++riter > max) | |
536 | break; | |
537 | hent = array[riter]; | |
538 | } | |
539 | } | |
540 | } | |
541 | SvREFCNT_dec(strtab); | |
542 | ||
8990e307 | 543 | if (sv_count != 0) |
ff0cee69 | 544 | warn("Scalars leaked: %ld\n", (long)sv_count); |
6e72f9df | 545 | |
4633a7c4 | 546 | sv_free_arenas(); |
44a8e56a | 547 | |
548 | /* No SVs have survived, need to clean out */ | |
549 | linestr = NULL; | |
550 | pidstatus = Nullhv; | |
6e72f9df | 551 | if (origfilename) |
552 | Safefree(origfilename); | |
553 | nuke_stacks(); | |
fc36a67e | 554 | hints = 0; /* Reset hints. Should hints be per-interpreter ? */ |
a0d0e21e LW |
555 | |
556 | DEBUG_P(debprofdump()); | |
11343788 MB |
557 | #ifdef USE_THREADS |
558 | MUTEX_DESTROY(&sv_mutex); | |
11343788 | 559 | MUTEX_DESTROY(&eval_mutex); |
c116a00c | 560 | COND_DESTROY(&eval_cond); |
fc36a67e | 561 | |
8023c3ce MB |
562 | /* As the penultimate thing, free the non-arena SV for thrsv */ |
563 | Safefree(SvPVX(thrsv)); | |
564 | Safefree(SvANY(thrsv)); | |
565 | Safefree(thrsv); | |
566 | thrsv = Nullsv; | |
567 | #endif /* USE_THREADS */ | |
568 | ||
fc36a67e | 569 | /* As the absolutely last thing, free the non-arena SV for mess() */ |
570 | ||
571 | if (mess_sv) { | |
572 | /* we know that type >= SVt_PV */ | |
573 | SvOOK_off(mess_sv); | |
574 | Safefree(SvPVX(mess_sv)); | |
575 | Safefree(SvANY(mess_sv)); | |
576 | Safefree(mess_sv); | |
577 | mess_sv = Nullsv; | |
578 | } | |
79072805 LW |
579 | } |
580 | ||
581 | void | |
76e3520e GS |
582 | #ifdef PERL_OBJECT |
583 | CPerlObj::perl_free(void) | |
584 | #else | |
8ac85365 | 585 | perl_free(PerlInterpreter *sv_interp) |
76e3520e | 586 | #endif |
79072805 | 587 | { |
76e3520e | 588 | #ifdef PERL_OBJECT |
565764a8 | 589 | Safefree(this); |
76e3520e | 590 | #else |
79072805 LW |
591 | if (!(curinterp = sv_interp)) |
592 | return; | |
593 | Safefree(sv_interp); | |
76e3520e | 594 | #endif |
79072805 LW |
595 | } |
596 | ||
4b556e6c JD |
597 | void |
598 | perl_atexit(void (*fn) (void *), void *ptr) | |
599 | { | |
600 | Renew(exitlist, exitlistlen+1, PerlExitListEntry); | |
601 | exitlist[exitlistlen].fn = fn; | |
602 | exitlist[exitlistlen].ptr = ptr; | |
603 | ++exitlistlen; | |
604 | } | |
605 | ||
79072805 | 606 | int |
76e3520e GS |
607 | #ifdef PERL_OBJECT |
608 | CPerlObj::perl_parse(void (*xsinit) (CPerlObj*), int argc, char **argv, char **env) | |
609 | #else | |
8ac85365 | 610 | perl_parse(PerlInterpreter *sv_interp, void (*xsinit) (void), int argc, char **argv, char **env) |
76e3520e | 611 | #endif |
8d063cd8 | 612 | { |
11343788 | 613 | dTHR; |
79072805 | 614 | register SV *sv; |
8d063cd8 | 615 | register char *s; |
1a30305b | 616 | char *scriptname = NULL; |
a0d0e21e | 617 | VOL bool dosearch = FALSE; |
13281fa4 | 618 | char *validarg = ""; |
2ae324a7 | 619 | I32 oldscope; |
748a9306 | 620 | AV* comppadlist; |
54310121 | 621 | dJMPENV; |
22921e25 | 622 | int ret; |
01f988be | 623 | int fdscript = -1; |
8d063cd8 | 624 | |
a687059c LW |
625 | #ifdef SETUID_SCRIPTS_ARE_SECURE_NOW |
626 | #ifdef IAMSUID | |
627 | #undef IAMSUID | |
463ee0b2 | 628 | croak("suidperl is no longer needed since the kernel can now execute\n\ |
a687059c LW |
629 | setuid perl scripts securely.\n"); |
630 | #endif | |
631 | #endif | |
632 | ||
76e3520e | 633 | #ifndef PERL_OBJECT |
79072805 LW |
634 | if (!(curinterp = sv_interp)) |
635 | return 255; | |
76e3520e | 636 | #endif |
79072805 | 637 | |
6e72f9df | 638 | #if defined(NeXT) && defined(__DYNAMIC__) |
639 | _dyld_lookup_and_bind | |
640 | ("__environ", (unsigned long *) &environ_pointer, NULL); | |
641 | #endif /* environ */ | |
642 | ||
ac58e20f LW |
643 | origargv = argv; |
644 | origargc = argc; | |
a0d0e21e | 645 | #ifndef VMS /* VMS doesn't have environ array */ |
fe14fcc3 | 646 | origenviron = environ; |
a0d0e21e LW |
647 | #endif |
648 | ||
649 | if (do_undump) { | |
650 | ||
651 | /* Come here if running an undumped a.out. */ | |
652 | ||
653 | origfilename = savepv(argv[0]); | |
654 | do_undump = FALSE; | |
655 | cxstack_ix = -1; /* start label stack again */ | |
748a9306 | 656 | init_ids(); |
a0d0e21e LW |
657 | init_postdump_symbols(argc,argv,env); |
658 | return 0; | |
659 | } | |
660 | ||
ff0cee69 | 661 | if (main_root) { |
662 | curpad = AvARRAY(comppad); | |
a0d0e21e | 663 | op_free(main_root); |
ff0cee69 | 664 | main_root = Nullop; |
665 | } | |
666 | main_start = Nullop; | |
667 | SvREFCNT_dec(main_cv); | |
668 | main_cv = Nullcv; | |
79072805 | 669 | |
f86702cc | 670 | time(&basetime); |
2ae324a7 | 671 | oldscope = scopestack_ix; |
f86702cc | 672 | |
22921e25 CS |
673 | JMPENV_PUSH(ret); |
674 | switch (ret) { | |
79072805 | 675 | case 1: |
f86702cc | 676 | STATUS_ALL_FAILURE; |
677 | /* FALL THROUGH */ | |
79072805 | 678 | case 2: |
f86702cc | 679 | /* my_exit() was called */ |
2ae324a7 | 680 | while (scopestack_ix > oldscope) |
681 | LEAVE; | |
84902520 | 682 | FREETMPS; |
8990e307 LW |
683 | curstash = defstash; |
684 | if (endav) | |
68dc0745 | 685 | call_list(oldscope, endav); |
54310121 | 686 | JMPENV_POP; |
f86702cc | 687 | return STATUS_NATIVE_EXPORT; |
79072805 | 688 | case 3: |
54310121 | 689 | JMPENV_POP; |
760ac839 | 690 | PerlIO_printf(PerlIO_stderr(), "panic: top_env\n"); |
8990e307 | 691 | return 1; |
79072805 LW |
692 | } |
693 | ||
79072805 LW |
694 | sv_setpvn(linestr,"",0); |
695 | sv = newSVpv("",0); /* first used for -I flags */ | |
8990e307 | 696 | SAVEFREESV(sv); |
79072805 | 697 | init_main_stash(); |
54310121 | 698 | |
33b78306 | 699 | for (argc--,argv++; argc > 0; argc--,argv++) { |
8d063cd8 LW |
700 | if (argv[0][0] != '-' || !argv[0][1]) |
701 | break; | |
13281fa4 LW |
702 | #ifdef DOSUID |
703 | if (*validarg) | |
704 | validarg = " PHOOEY "; | |
705 | else | |
706 | validarg = argv[0]; | |
707 | #endif | |
708 | s = argv[0]+1; | |
8d063cd8 | 709 | reswitch: |
13281fa4 | 710 | switch (*s) { |
7b8d334a | 711 | case ' ': |
27e2fb84 | 712 | case '0': |
2304df62 | 713 | case 'F': |
378cc40b | 714 | case 'a': |
33b78306 | 715 | case 'c': |
a687059c | 716 | case 'd': |
8d063cd8 | 717 | case 'D': |
4633a7c4 | 718 | case 'h': |
33b78306 | 719 | case 'i': |
fe14fcc3 | 720 | case 'l': |
1a30305b | 721 | case 'M': |
722 | case 'm': | |
33b78306 LW |
723 | case 'n': |
724 | case 'p': | |
79072805 | 725 | case 's': |
33b78306 LW |
726 | case 'u': |
727 | case 'U': | |
728 | case 'v': | |
729 | case 'w': | |
730 | if (s = moreswitches(s)) | |
731 | goto reswitch; | |
8d063cd8 | 732 | break; |
33b78306 | 733 | |
f86702cc | 734 | case 'T': |
735 | tainting = TRUE; | |
736 | s++; | |
737 | goto reswitch; | |
738 | ||
8d063cd8 | 739 | case 'e': |
a687059c | 740 | if (euid != uid || egid != gid) |
463ee0b2 | 741 | croak("No -e allowed in setuid scripts"); |
afe37c7d | 742 | if (!e_script) { |
3c78fafa | 743 | e_script = newSVpv("",0); |
afe37c7d | 744 | filter_add(read_e_script, NULL); |
8d063cd8 | 745 | } |
552a7a9b | 746 | if (*++s) |
afe37c7d | 747 | sv_catpv(e_script, s); |
552a7a9b | 748 | else if (argv[1]) { |
afe37c7d | 749 | sv_catpv(e_script, argv[1]); |
33b78306 LW |
750 | argc--,argv++; |
751 | } | |
552a7a9b | 752 | else |
753 | croak("No code specified for -e"); | |
afe37c7d | 754 | sv_catpv(e_script, "\n"); |
8d063cd8 | 755 | break; |
afe37c7d | 756 | |
fb73857a | 757 | case 'I': /* -I handled both here and in moreswitches() */ |
bbce6d69 | 758 | forbid_setid("-I"); |
fb73857a | 759 | if (!*++s && (s=argv[1]) != Nullch) { |
8d063cd8 | 760 | argc--,argv++; |
8d063cd8 | 761 | } |
fb73857a | 762 | while (s && isSPACE(*s)) |
763 | ++s; | |
764 | if (s && *s) { | |
765 | char *e, *p; | |
766 | for (e = s; *e && !isSPACE(*e); e++) ; | |
767 | p = savepvn(s, e-s); | |
768 | incpush(p, TRUE); | |
769 | sv_catpv(sv,"-I"); | |
770 | sv_catpv(sv,p); | |
771 | sv_catpv(sv," "); | |
772 | Safefree(p); | |
773 | } /* XXX else croak? */ | |
8d063cd8 | 774 | break; |
8d063cd8 | 775 | case 'P': |
bbce6d69 | 776 | forbid_setid("-P"); |
8d063cd8 | 777 | preprocess = TRUE; |
13281fa4 | 778 | s++; |
8d063cd8 | 779 | goto reswitch; |
378cc40b | 780 | case 'S': |
bbce6d69 | 781 | forbid_setid("-S"); |
378cc40b | 782 | dosearch = TRUE; |
13281fa4 | 783 | s++; |
378cc40b | 784 | goto reswitch; |
1a30305b | 785 | case 'V': |
786 | if (!preambleav) | |
787 | preambleav = newAV(); | |
788 | av_push(preambleav, newSVpv("use Config qw(myconfig config_vars)",0)); | |
789 | if (*++s != ':') { | |
6e72f9df | 790 | Sv = newSVpv("print myconfig();",0); |
791 | #ifdef VMS | |
792 | sv_catpv(Sv,"print \"\\nCharacteristics of this PERLSHR image: \\n\","); | |
793 | #else | |
794 | sv_catpv(Sv,"print \"\\nCharacteristics of this binary (from libperl): \\n\","); | |
795 | #endif | |
54310121 | 796 | #if defined(DEBUGGING) || defined(NO_EMBED) || defined(MULTIPLICITY) |
46fc3d4c | 797 | sv_catpv(Sv,"\" Compile-time options:"); |
6e72f9df | 798 | # ifdef DEBUGGING |
46fc3d4c | 799 | sv_catpv(Sv," DEBUGGING"); |
6e72f9df | 800 | # endif |
54310121 | 801 | # ifdef NO_EMBED |
46fc3d4c | 802 | sv_catpv(Sv," NO_EMBED"); |
6e72f9df | 803 | # endif |
804 | # ifdef MULTIPLICITY | |
46fc3d4c | 805 | sv_catpv(Sv," MULTIPLICITY"); |
6e72f9df | 806 | # endif |
46fc3d4c | 807 | sv_catpv(Sv,"\\n\","); |
6e72f9df | 808 | #endif |
809 | #if defined(LOCAL_PATCH_COUNT) | |
54310121 | 810 | if (LOCAL_PATCH_COUNT > 0) { |
811 | int i; | |
5cd24f17 | 812 | sv_catpv(Sv,"\" Locally applied patches:\\n\","); |
6e72f9df | 813 | for (i = 1; i <= LOCAL_PATCH_COUNT; i++) { |
46fc3d4c | 814 | if (localpatches[i]) |
815 | sv_catpvf(Sv,"\" \\t%s\\n\",",localpatches[i]); | |
6e72f9df | 816 | } |
817 | } | |
818 | #endif | |
46fc3d4c | 819 | sv_catpvf(Sv,"\" Built under %s\\n\"",OSNAME); |
6e72f9df | 820 | #ifdef __DATE__ |
821 | # ifdef __TIME__ | |
46fc3d4c | 822 | sv_catpvf(Sv,",\" Compiled at %s %s\\n\"",__DATE__,__TIME__); |
6e72f9df | 823 | # else |
46fc3d4c | 824 | sv_catpvf(Sv,",\" Compiled on %s\\n\"",__DATE__); |
6e72f9df | 825 | # endif |
6e72f9df | 826 | #endif |
54310121 | 827 | sv_catpv(Sv, "; \ |
828 | $\"=\"\\n \"; \ | |
829 | @env = map { \"$_=\\\"$ENV{$_}\\\"\" } sort grep {/^PERL/} keys %ENV; \ | |
830 | print \" \\%ENV:\\n @env\\n\" if @env; \ | |
831 | print \" \\@INC:\\n @INC\\n\";"); | |
1a30305b | 832 | } |
833 | else { | |
834 | Sv = newSVpv("config_vars(qw(",0); | |
835 | sv_catpv(Sv, ++s); | |
836 | sv_catpv(Sv, "))"); | |
837 | s += strlen(s); | |
838 | } | |
839 | av_push(preambleav, Sv); | |
c07a80fd | 840 | scriptname = BIT_BUCKET; /* don't look for script or read stdin */ |
1a30305b | 841 | goto reswitch; |
33b78306 LW |
842 | case 'x': |
843 | doextract = TRUE; | |
13281fa4 | 844 | s++; |
33b78306 | 845 | if (*s) |
a0d0e21e | 846 | cddir = savepv(s); |
33b78306 | 847 | break; |
8d063cd8 LW |
848 | case 0: |
849 | break; | |
fb73857a | 850 | case '-': |
851 | if (!*++s || isSPACE(*s)) { | |
852 | argc--,argv++; | |
853 | goto switch_end; | |
854 | } | |
855 | /* catch use of gnu style long options */ | |
856 | if (strEQ(s, "version")) { | |
857 | s = "v"; | |
858 | goto reswitch; | |
859 | } | |
860 | if (strEQ(s, "help")) { | |
861 | s = "h"; | |
862 | goto reswitch; | |
863 | } | |
864 | s--; | |
865 | /* FALL THROUGH */ | |
8d063cd8 | 866 | default: |
90248788 | 867 | croak("Unrecognized switch: -%s (-h will show valid options)",s); |
8d063cd8 LW |
868 | } |
869 | } | |
870 | switch_end: | |
54310121 | 871 | |
76e3520e | 872 | if (!tainting && (s = PerlEnv_getenv("PERL5OPT"))) { |
fb73857a | 873 | while (s && *s) { |
54310121 | 874 | while (isSPACE(*s)) |
875 | s++; | |
876 | if (*s == '-') { | |
877 | s++; | |
878 | if (isSPACE(*s)) | |
879 | continue; | |
880 | } | |
881 | if (!*s) | |
882 | break; | |
883 | if (!strchr("DIMUdmw", *s)) | |
884 | croak("Illegal switch in PERL5OPT: -%c", *s); | |
885 | s = moreswitches(s); | |
886 | } | |
887 | } | |
888 | ||
1a30305b | 889 | if (!scriptname) |
890 | scriptname = argv[0]; | |
afe37c7d | 891 | if (e_script) { |
8d063cd8 | 892 | argc++,argv--; |
afe37c7d | 893 | scriptname = BIT_BUCKET; /* don't look for script or read stdin */ |
8d063cd8 | 894 | } |
79072805 LW |
895 | else if (scriptname == Nullch) { |
896 | #ifdef MSDOS | |
6ad3d225 | 897 | if ( PerlLIO_isatty(PerlIO_fileno(PerlIO_stdin())) ) |
55497cff | 898 | moreswitches("h"); |
fe14fcc3 | 899 | #endif |
79072805 LW |
900 | scriptname = "-"; |
901 | } | |
fe14fcc3 | 902 | |
79072805 | 903 | init_perllib(); |
8d063cd8 | 904 | |
01f988be | 905 | open_script(scriptname,dosearch,sv,&fdscript); |
8d063cd8 | 906 | |
01f988be | 907 | validate_suid(validarg, scriptname,fdscript); |
378cc40b | 908 | |
79072805 LW |
909 | if (doextract) |
910 | find_beginning(); | |
911 | ||
4fdae800 | 912 | main_cv = compcv = (CV*)NEWSV(1104,0); |
748a9306 | 913 | sv_upgrade((SV *)compcv, SVt_PVCV); |
07055b4c | 914 | CvUNIQUE_on(compcv); |
748a9306 | 915 | |
6e72f9df | 916 | comppad = newAV(); |
79072805 LW |
917 | av_push(comppad, Nullsv); |
918 | curpad = AvARRAY(comppad); | |
6e72f9df | 919 | comppad_name = newAV(); |
8990e307 | 920 | comppad_name_fill = 0; |
e858de61 MB |
921 | min_intro_pending = 0; |
922 | padix = 0; | |
11343788 MB |
923 | #ifdef USE_THREADS |
924 | av_store(comppad_name, 0, newSVpv("@_", 2)); | |
e858de61 | 925 | curpad[0] = (SV*)newAV(); |
6d4ff0d2 | 926 | SvPADMY_on(curpad[0]); /* XXX Needed? */ |
e858de61 | 927 | CvOWNER(compcv) = 0; |
12ca11f6 | 928 | New(666, CvMUTEXP(compcv), 1, perl_mutex); |
e858de61 | 929 | MUTEX_INIT(CvMUTEXP(compcv)); |
11343788 | 930 | #endif /* USE_THREADS */ |
79072805 | 931 | |
748a9306 LW |
932 | comppadlist = newAV(); |
933 | AvREAL_off(comppadlist); | |
8e07c86e AD |
934 | av_store(comppadlist, 0, (SV*)comppad_name); |
935 | av_store(comppadlist, 1, (SV*)comppad); | |
748a9306 LW |
936 | CvPADLIST(compcv) = comppadlist; |
937 | ||
6e72f9df | 938 | boot_core_UNIVERSAL(); |
c69f6586 | 939 | |
a0d0e21e | 940 | if (xsinit) |
76e3520e | 941 | (*xsinit)(THIS); /* in case linked C routines want magical variables */ |
39e571d4 | 942 | #if defined(VMS) || defined(WIN32) || defined(DJGPP) |
748a9306 LW |
943 | init_os_extras(); |
944 | #endif | |
93a17b20 | 945 | |
93a17b20 | 946 | init_predump_symbols(); |
1d3434b8 GS |
947 | /* init_postdump_symbols not currently designed to be called */ |
948 | /* more than once (ENV isn't cleared first, for example) */ | |
949 | /* But running with -u leaves %ENV & @ARGV undefined! XXX */ | |
8990e307 LW |
950 | if (!do_undump) |
951 | init_postdump_symbols(argc,argv,env); | |
93a17b20 | 952 | |
79072805 LW |
953 | init_lexer(); |
954 | ||
955 | /* now parse the script */ | |
956 | ||
61bb5906 | 957 | SETERRNO(0,SS$_NORMAL); |
79072805 LW |
958 | error_count = 0; |
959 | if (yyparse() || error_count) { | |
960 | if (minus_c) | |
463ee0b2 | 961 | croak("%s had compilation errors.\n", origfilename); |
79072805 | 962 | else { |
463ee0b2 | 963 | croak("Execution of %s aborted due to compilation errors.\n", |
79072805 | 964 | origfilename); |
378cc40b | 965 | } |
79072805 LW |
966 | } |
967 | curcop->cop_line = 0; | |
968 | curstash = defstash; | |
969 | preprocess = FALSE; | |
afe37c7d GS |
970 | if (e_script) { |
971 | SvREFCNT_dec(e_script); | |
972 | e_script = Nullsv; | |
378cc40b | 973 | } |
a687059c | 974 | |
93a17b20 | 975 | /* now that script is parsed, we can modify record separator */ |
c07a80fd | 976 | SvREFCNT_dec(rs); |
977 | rs = SvREFCNT_inc(nrs); | |
e1c148c2 | 978 | sv_setsv(perl_get_sv("/", TRUE), rs); |
79072805 LW |
979 | if (do_undump) |
980 | my_unexec(); | |
981 | ||
8990e307 LW |
982 | if (dowarn) |
983 | gv_check(defstash); | |
984 | ||
a0d0e21e LW |
985 | LEAVE; |
986 | FREETMPS; | |
c07a80fd | 987 | |
3562ef9b | 988 | #ifdef MYMALLOC |
76e3520e | 989 | if ((s=PerlEnv_getenv("PERL_DEBUG_MSTATS")) && atoi(s) >= 2) |
c07a80fd | 990 | dump_mstats("after compilation:"); |
991 | #endif | |
992 | ||
a0d0e21e LW |
993 | ENTER; |
994 | restartop = 0; | |
54310121 | 995 | JMPENV_POP; |
79072805 LW |
996 | return 0; |
997 | } | |
998 | ||
999 | int | |
76e3520e GS |
1000 | #ifdef PERL_OBJECT |
1001 | CPerlObj::perl_run(void) | |
1002 | #else | |
8ac85365 | 1003 | perl_run(PerlInterpreter *sv_interp) |
76e3520e | 1004 | #endif |
79072805 | 1005 | { |
e336de0d | 1006 | dSP; |
2ae324a7 | 1007 | I32 oldscope; |
22921e25 CS |
1008 | dJMPENV; |
1009 | int ret; | |
2ae324a7 | 1010 | |
76e3520e | 1011 | #ifndef PERL_OBJECT |
79072805 LW |
1012 | if (!(curinterp = sv_interp)) |
1013 | return 255; | |
76e3520e | 1014 | #endif |
2ae324a7 | 1015 | |
1016 | oldscope = scopestack_ix; | |
1017 | ||
22921e25 CS |
1018 | JMPENV_PUSH(ret); |
1019 | switch (ret) { | |
79072805 LW |
1020 | case 1: |
1021 | cxstack_ix = -1; /* start context stack again */ | |
1022 | break; | |
1023 | case 2: | |
f86702cc | 1024 | /* my_exit() was called */ |
2ae324a7 | 1025 | while (scopestack_ix > oldscope) |
1026 | LEAVE; | |
84902520 | 1027 | FREETMPS; |
79072805 | 1028 | curstash = defstash; |
93a17b20 | 1029 | if (endav) |
68dc0745 | 1030 | call_list(oldscope, endav); |
3562ef9b | 1031 | #ifdef MYMALLOC |
76e3520e | 1032 | if (PerlEnv_getenv("PERL_DEBUG_MSTATS")) |
c07a80fd | 1033 | dump_mstats("after execution: "); |
1034 | #endif | |
54310121 | 1035 | JMPENV_POP; |
f86702cc | 1036 | return STATUS_NATIVE_EXPORT; |
79072805 LW |
1037 | case 3: |
1038 | if (!restartop) { | |
760ac839 | 1039 | PerlIO_printf(PerlIO_stderr(), "panic: restartop\n"); |
a0d0e21e | 1040 | FREETMPS; |
54310121 | 1041 | JMPENV_POP; |
8990e307 | 1042 | return 1; |
83025b21 | 1043 | } |
e336de0d | 1044 | POPSTACK_TO(mainstack); |
79072805 | 1045 | break; |
8d063cd8 | 1046 | } |
79072805 | 1047 | |
fb73857a | 1048 | DEBUG_r(PerlIO_printf(Perl_debug_log, "%s $` $& $' support.\n", |
6e72f9df | 1049 | sawampersand ? "Enabling" : "Omitting")); |
1050 | ||
79072805 LW |
1051 | if (!restartop) { |
1052 | DEBUG_x(dump_all()); | |
760ac839 | 1053 | DEBUG(PerlIO_printf(Perl_debug_log, "\nEXECUTING...\n\n")); |
11343788 | 1054 | #ifdef USE_THREADS |
5dc0d613 MB |
1055 | DEBUG_L(PerlIO_printf(Perl_debug_log, "main thread is 0x%lx\n", |
1056 | (unsigned long) thr)); | |
11343788 | 1057 | #endif /* USE_THREADS */ |
79072805 LW |
1058 | |
1059 | if (minus_c) { | |
760ac839 | 1060 | PerlIO_printf(PerlIO_stderr(), "%s syntax OK\n", origfilename); |
79072805 LW |
1061 | my_exit(0); |
1062 | } | |
84902520 | 1063 | if (PERLDB_SINGLE && DBsingle) |
a0d0e21e | 1064 | sv_setiv(DBsingle, 1); |
7d07dbc2 MB |
1065 | if (initav) |
1066 | call_list(oldscope, initav); | |
45d8adaa | 1067 | } |
79072805 LW |
1068 | |
1069 | /* do it */ | |
1070 | ||
1071 | if (restartop) { | |
1072 | op = restartop; | |
1073 | restartop = 0; | |
76e3520e | 1074 | CALLRUNOPS(); |
79072805 LW |
1075 | } |
1076 | else if (main_start) { | |
4fdae800 | 1077 | CvDEPTH(main_cv) = 1; |
79072805 | 1078 | op = main_start; |
76e3520e | 1079 | CALLRUNOPS(); |
79072805 | 1080 | } |
79072805 LW |
1081 | |
1082 | my_exit(0); | |
54310121 | 1083 | /* NOTREACHED */ |
a0d0e21e | 1084 | return 0; |
79072805 LW |
1085 | } |
1086 | ||
a0d0e21e | 1087 | SV* |
8ac85365 | 1088 | perl_get_sv(char *name, I32 create) |
a0d0e21e | 1089 | { |
2faa37cc | 1090 | GV *gv; |
38a03e6e | 1091 | #ifdef USE_THREADS |
2faa37cc | 1092 | if (name[1] == '\0' && !isALPHA(name[0])) { |
54b9620d | 1093 | PADOFFSET tmp = find_threadsv(name); |
2faa37cc MB |
1094 | if (tmp != NOT_IN_PAD) { |
1095 | dTHR; | |
940cb80d | 1096 | return THREADSV(tmp); |
2faa37cc | 1097 | } |
38a03e6e MB |
1098 | } |
1099 | #endif /* USE_THREADS */ | |
2faa37cc | 1100 | gv = gv_fetchpv(name, create, SVt_PV); |
a0d0e21e LW |
1101 | if (gv) |
1102 | return GvSV(gv); | |
1103 | return Nullsv; | |
1104 | } | |
1105 | ||
1106 | AV* | |
8ac85365 | 1107 | perl_get_av(char *name, I32 create) |
a0d0e21e LW |
1108 | { |
1109 | GV* gv = gv_fetchpv(name, create, SVt_PVAV); | |
1110 | if (create) | |
1111 | return GvAVn(gv); | |
1112 | if (gv) | |
1113 | return GvAV(gv); | |
1114 | return Nullav; | |
1115 | } | |
1116 | ||
1117 | HV* | |
8ac85365 | 1118 | perl_get_hv(char *name, I32 create) |
a0d0e21e LW |
1119 | { |
1120 | GV* gv = gv_fetchpv(name, create, SVt_PVHV); | |
1121 | if (create) | |
1122 | return GvHVn(gv); | |
1123 | if (gv) | |
1124 | return GvHV(gv); | |
1125 | return Nullhv; | |
1126 | } | |
1127 | ||
1128 | CV* | |
8ac85365 | 1129 | perl_get_cv(char *name, I32 create) |
a0d0e21e LW |
1130 | { |
1131 | GV* gv = gv_fetchpv(name, create, SVt_PVCV); | |
8ebc5c01 | 1132 | if (create && !GvCVu(gv)) |
774d564b | 1133 | return newSUB(start_subparse(FALSE, 0), |
a0d0e21e | 1134 | newSVOP(OP_CONST, 0, newSVpv(name,0)), |
4633a7c4 | 1135 | Nullop, |
a0d0e21e LW |
1136 | Nullop); |
1137 | if (gv) | |
8ebc5c01 | 1138 | return GvCVu(gv); |
a0d0e21e LW |
1139 | return Nullcv; |
1140 | } | |
1141 | ||
79072805 LW |
1142 | /* Be sure to refetch the stack pointer after calling these routines. */ |
1143 | ||
a0d0e21e | 1144 | I32 |
22239a37 | 1145 | perl_call_argv(char *sub_name, I32 flags, register char **argv) |
8ac85365 NIS |
1146 | |
1147 | /* See G_* flags in cop.h */ | |
1148 | /* null terminated arg list */ | |
8990e307 | 1149 | { |
a0d0e21e | 1150 | dSP; |
8990e307 | 1151 | |
924508f0 | 1152 | PUSHMARK(SP); |
a0d0e21e | 1153 | if (argv) { |
8990e307 | 1154 | while (*argv) { |
a0d0e21e | 1155 | XPUSHs(sv_2mortal(newSVpv(*argv,0))); |
8990e307 LW |
1156 | argv++; |
1157 | } | |
a0d0e21e | 1158 | PUTBACK; |
8990e307 | 1159 | } |
22239a37 | 1160 | return perl_call_pv(sub_name, flags); |
8990e307 LW |
1161 | } |
1162 | ||
a0d0e21e | 1163 | I32 |
22239a37 | 1164 | perl_call_pv(char *sub_name, I32 flags) |
8ac85365 NIS |
1165 | /* name of the subroutine */ |
1166 | /* See G_* flags in cop.h */ | |
a0d0e21e | 1167 | { |
22239a37 | 1168 | return perl_call_sv((SV*)perl_get_cv(sub_name, TRUE), flags); |
a0d0e21e LW |
1169 | } |
1170 | ||
1171 | I32 | |
8ac85365 NIS |
1172 | perl_call_method(char *methname, I32 flags) |
1173 | /* name of the subroutine */ | |
1174 | /* See G_* flags in cop.h */ | |
a0d0e21e LW |
1175 | { |
1176 | dSP; | |
1177 | OP myop; | |
1178 | if (!op) | |
1179 | op = &myop; | |
1180 | XPUSHs(sv_2mortal(newSVpv(methname,0))); | |
1181 | PUTBACK; | |
11343788 | 1182 | pp_method(ARGS); |
6ff81951 GS |
1183 | if(op == &myop) |
1184 | op = Nullop; | |
a0d0e21e LW |
1185 | return perl_call_sv(*stack_sp--, flags); |
1186 | } | |
1187 | ||
1188 | /* May be called with any of a CV, a GV, or an SV containing the name. */ | |
1189 | I32 | |
8ac85365 NIS |
1190 | perl_call_sv(SV *sv, I32 flags) |
1191 | ||
1192 | /* See G_* flags in cop.h */ | |
a0d0e21e | 1193 | { |
924508f0 | 1194 | dSP; |
a0d0e21e | 1195 | LOGOP myop; /* fake syntax tree node */ |
aa689395 | 1196 | I32 oldmark; |
a0d0e21e | 1197 | I32 retval; |
a0d0e21e | 1198 | I32 oldscope; |
54310121 | 1199 | bool oldcatch = CATCH_GET; |
1200 | dJMPENV; | |
22921e25 | 1201 | int ret; |
d6602a8c | 1202 | OP* oldop = op; |
1e422769 | 1203 | |
a0d0e21e LW |
1204 | if (flags & G_DISCARD) { |
1205 | ENTER; | |
1206 | SAVETMPS; | |
1207 | } | |
1208 | ||
aa689395 | 1209 | Zero(&myop, 1, LOGOP); |
54310121 | 1210 | myop.op_next = Nullop; |
f51d4af5 | 1211 | if (!(flags & G_NOARGS)) |
aa689395 | 1212 | myop.op_flags |= OPf_STACKED; |
54310121 | 1213 | myop.op_flags |= ((flags & G_VOID) ? OPf_WANT_VOID : |
1214 | (flags & G_ARRAY) ? OPf_WANT_LIST : | |
1215 | OPf_WANT_SCALAR); | |
462e5cf6 | 1216 | SAVEOP(); |
a0d0e21e | 1217 | op = (OP*)&myop; |
aa689395 | 1218 | |
a0d0e21e LW |
1219 | EXTEND(stack_sp, 1); |
1220 | *++stack_sp = sv; | |
aa689395 | 1221 | oldmark = TOPMARK; |
a0d0e21e LW |
1222 | oldscope = scopestack_ix; |
1223 | ||
84902520 | 1224 | if (PERLDB_SUB && curstash != debstash |
36477c24 | 1225 | /* Handle first BEGIN of -d. */ |
1226 | && (DBcv || (DBcv = GvCV(DBsub))) | |
1227 | /* Try harder, since this may have been a sighandler, thus | |
1228 | * curstash may be meaningless. */ | |
491527d0 GS |
1229 | && (SvTYPE(sv) != SVt_PVCV || CvSTASH((CV*)sv) != debstash) |
1230 | && !(flags & G_NODEBUG)) | |
6e72f9df | 1231 | op->op_private |= OPpENTERSUB_DB; |
a0d0e21e LW |
1232 | |
1233 | if (flags & G_EVAL) { | |
a0d0e21e LW |
1234 | cLOGOP->op_other = op; |
1235 | markstack_ptr--; | |
4633a7c4 LW |
1236 | /* we're trying to emulate pp_entertry() here */ |
1237 | { | |
c09156bb | 1238 | register PERL_CONTEXT *cx; |
54310121 | 1239 | I32 gimme = GIMME_V; |
4633a7c4 LW |
1240 | |
1241 | ENTER; | |
1242 | SAVETMPS; | |
1243 | ||
1244 | push_return(op->op_next); | |
1245 | PUSHBLOCK(cx, CXt_EVAL, stack_sp); | |
1246 | PUSHEVAL(cx, 0, 0); | |
1247 | eval_root = op; /* Only needed so that goto works right. */ | |
1248 | ||
1249 | in_eval = 1; | |
1250 | if (flags & G_KEEPERR) | |
1251 | in_eval |= 4; | |
1252 | else | |
38a03e6e | 1253 | sv_setpv(ERRSV,""); |
4633a7c4 | 1254 | } |
a0d0e21e LW |
1255 | markstack_ptr++; |
1256 | ||
22921e25 CS |
1257 | JMPENV_PUSH(ret); |
1258 | switch (ret) { | |
a0d0e21e LW |
1259 | case 0: |
1260 | break; | |
1261 | case 1: | |
f86702cc | 1262 | STATUS_ALL_FAILURE; |
a0d0e21e LW |
1263 | /* FALL THROUGH */ |
1264 | case 2: | |
1265 | /* my_exit() was called */ | |
1266 | curstash = defstash; | |
1267 | FREETMPS; | |
54310121 | 1268 | JMPENV_POP; |
a0d0e21e LW |
1269 | if (statusvalue) |
1270 | croak("Callback called exit"); | |
f86702cc | 1271 | my_exit_jump(); |
a0d0e21e LW |
1272 | /* NOTREACHED */ |
1273 | case 3: | |
1274 | if (restartop) { | |
1275 | op = restartop; | |
1276 | restartop = 0; | |
54310121 | 1277 | break; |
a0d0e21e LW |
1278 | } |
1279 | stack_sp = stack_base + oldmark; | |
1280 | if (flags & G_ARRAY) | |
1281 | retval = 0; | |
1282 | else { | |
1283 | retval = 1; | |
1284 | *++stack_sp = &sv_undef; | |
1285 | } | |
1286 | goto cleanup; | |
1287 | } | |
1288 | } | |
1e422769 | 1289 | else |
54310121 | 1290 | CATCH_SET(TRUE); |
a0d0e21e LW |
1291 | |
1292 | if (op == (OP*)&myop) | |
11343788 | 1293 | op = pp_entersub(ARGS); |
a0d0e21e | 1294 | if (op) |
76e3520e | 1295 | CALLRUNOPS(); |
a0d0e21e | 1296 | retval = stack_sp - (stack_base + oldmark); |
4633a7c4 | 1297 | if ((flags & G_EVAL) && !(flags & G_KEEPERR)) |
38a03e6e | 1298 | sv_setpv(ERRSV,""); |
a0d0e21e LW |
1299 | |
1300 | cleanup: | |
1301 | if (flags & G_EVAL) { | |
1302 | if (scopestack_ix > oldscope) { | |
a0a2876f LW |
1303 | SV **newsp; |
1304 | PMOP *newpm; | |
1305 | I32 gimme; | |
c09156bb | 1306 | register PERL_CONTEXT *cx; |
a0a2876f LW |
1307 | I32 optype; |
1308 | ||
1309 | POPBLOCK(cx,newpm); | |
1310 | POPEVAL(cx); | |
1311 | pop_return(); | |
1312 | curpm = newpm; | |
1313 | LEAVE; | |
a0d0e21e | 1314 | } |
54310121 | 1315 | JMPENV_POP; |
a0d0e21e | 1316 | } |
1e422769 | 1317 | else |
54310121 | 1318 | CATCH_SET(oldcatch); |
1e422769 | 1319 | |
a0d0e21e LW |
1320 | if (flags & G_DISCARD) { |
1321 | stack_sp = stack_base + oldmark; | |
1322 | retval = 0; | |
1323 | FREETMPS; | |
1324 | LEAVE; | |
1325 | } | |
d6602a8c | 1326 | op = oldop; |
a0d0e21e LW |
1327 | return retval; |
1328 | } | |
1329 | ||
6e72f9df | 1330 | /* Eval a string. The G_EVAL flag is always assumed. */ |
8990e307 | 1331 | |
a0d0e21e | 1332 | I32 |
8ac85365 NIS |
1333 | perl_eval_sv(SV *sv, I32 flags) |
1334 | ||
1335 | /* See G_* flags in cop.h */ | |
a0d0e21e | 1336 | { |
924508f0 | 1337 | dSP; |
a0d0e21e | 1338 | UNOP myop; /* fake syntax tree node */ |
924508f0 | 1339 | I32 oldmark = SP - stack_base; |
4633a7c4 | 1340 | I32 retval; |
4633a7c4 | 1341 | I32 oldscope; |
54310121 | 1342 | dJMPENV; |
22921e25 | 1343 | int ret; |
84902520 TB |
1344 | OP* oldop = op; |
1345 | ||
4633a7c4 LW |
1346 | if (flags & G_DISCARD) { |
1347 | ENTER; | |
1348 | SAVETMPS; | |
1349 | } | |
1350 | ||
462e5cf6 | 1351 | SAVEOP(); |
79072805 | 1352 | op = (OP*)&myop; |
a0d0e21e | 1353 | Zero(op, 1, UNOP); |
4633a7c4 LW |
1354 | EXTEND(stack_sp, 1); |
1355 | *++stack_sp = sv; | |
1356 | oldscope = scopestack_ix; | |
79072805 | 1357 | |
4633a7c4 LW |
1358 | if (!(flags & G_NOARGS)) |
1359 | myop.op_flags = OPf_STACKED; | |
79072805 | 1360 | myop.op_next = Nullop; |
6e72f9df | 1361 | myop.op_type = OP_ENTEREVAL; |
54310121 | 1362 | myop.op_flags |= ((flags & G_VOID) ? OPf_WANT_VOID : |
1363 | (flags & G_ARRAY) ? OPf_WANT_LIST : | |
1364 | OPf_WANT_SCALAR); | |
6e72f9df | 1365 | if (flags & G_KEEPERR) |
1366 | myop.op_flags |= OPf_SPECIAL; | |
4633a7c4 | 1367 | |
22921e25 CS |
1368 | JMPENV_PUSH(ret); |
1369 | switch (ret) { | |
4633a7c4 LW |
1370 | case 0: |
1371 | break; | |
1372 | case 1: | |
f86702cc | 1373 | STATUS_ALL_FAILURE; |
4633a7c4 LW |
1374 | /* FALL THROUGH */ |
1375 | case 2: | |
1376 | /* my_exit() was called */ | |
1377 | curstash = defstash; | |
1378 | FREETMPS; | |
54310121 | 1379 | JMPENV_POP; |
4633a7c4 LW |
1380 | if (statusvalue) |
1381 | croak("Callback called exit"); | |
f86702cc | 1382 | my_exit_jump(); |
4633a7c4 LW |
1383 | /* NOTREACHED */ |
1384 | case 3: | |
1385 | if (restartop) { | |
1386 | op = restartop; | |
1387 | restartop = 0; | |
54310121 | 1388 | break; |
4633a7c4 LW |
1389 | } |
1390 | stack_sp = stack_base + oldmark; | |
1391 | if (flags & G_ARRAY) | |
1392 | retval = 0; | |
1393 | else { | |
1394 | retval = 1; | |
1395 | *++stack_sp = &sv_undef; | |
1396 | } | |
1397 | goto cleanup; | |
1398 | } | |
1399 | ||
1400 | if (op == (OP*)&myop) | |
11343788 | 1401 | op = pp_entereval(ARGS); |
4633a7c4 | 1402 | if (op) |
76e3520e | 1403 | CALLRUNOPS(); |
4633a7c4 | 1404 | retval = stack_sp - (stack_base + oldmark); |
6e72f9df | 1405 | if (!(flags & G_KEEPERR)) |
38a03e6e | 1406 | sv_setpv(ERRSV,""); |
4633a7c4 LW |
1407 | |
1408 | cleanup: | |
54310121 | 1409 | JMPENV_POP; |
4633a7c4 LW |
1410 | if (flags & G_DISCARD) { |
1411 | stack_sp = stack_base + oldmark; | |
1412 | retval = 0; | |
1413 | FREETMPS; | |
1414 | LEAVE; | |
1415 | } | |
84902520 | 1416 | op = oldop; |
4633a7c4 LW |
1417 | return retval; |
1418 | } | |
1419 | ||
137443ea | 1420 | SV* |
8ac85365 | 1421 | perl_eval_pv(char *p, I32 croak_on_error) |
137443ea | 1422 | { |
1423 | dSP; | |
1424 | SV* sv = newSVpv(p, 0); | |
1425 | ||
924508f0 | 1426 | PUSHMARK(SP); |
137443ea | 1427 | perl_eval_sv(sv, G_SCALAR); |
1428 | SvREFCNT_dec(sv); | |
1429 | ||
1430 | SPAGAIN; | |
1431 | sv = POPs; | |
1432 | PUTBACK; | |
1433 | ||
38a03e6e MB |
1434 | if (croak_on_error && SvTRUE(ERRSV)) |
1435 | croak(SvPVx(ERRSV, na)); | |
137443ea | 1436 | |
1437 | return sv; | |
1438 | } | |
1439 | ||
4633a7c4 LW |
1440 | /* Require a module. */ |
1441 | ||
1442 | void | |
8ac85365 | 1443 | perl_require_pv(char *pv) |
4633a7c4 LW |
1444 | { |
1445 | SV* sv = sv_newmortal(); | |
1446 | sv_setpv(sv, "require '"); | |
1447 | sv_catpv(sv, pv); | |
1448 | sv_catpv(sv, "'"); | |
1449 | perl_eval_sv(sv, G_DISCARD); | |
79072805 LW |
1450 | } |
1451 | ||
79072805 | 1452 | void |
8ac85365 | 1453 | magicname(char *sym, char *name, I32 namlen) |
79072805 LW |
1454 | { |
1455 | register GV *gv; | |
1456 | ||
85e6fe83 | 1457 | if (gv = gv_fetchpv(sym,TRUE, SVt_PV)) |
79072805 LW |
1458 | sv_magic(GvSV(gv), (SV*)gv, 0, name, namlen); |
1459 | } | |
1460 | ||
76e3520e | 1461 | STATIC void |
8ac85365 NIS |
1462 | usage(char *name) /* XXX move this out into a module ? */ |
1463 | ||
4633a7c4 | 1464 | { |
ab821d7f | 1465 | /* This message really ought to be max 23 lines. |
1466 | * Removed -h because the user already knows that opton. Others? */ | |
fb73857a | 1467 | |
76e3520e | 1468 | static char *usage_msg[] = { |
fb73857a | 1469 | "-0[octal] specify record separator (\\0, if no argument)", |
1470 | "-a autosplit mode with -n or -p (splits $_ into @F)", | |
1471 | "-c check syntax only (runs BEGIN and END blocks)", | |
1472 | "-d[:debugger] run scripts under debugger", | |
1473 | "-D[number/list] set debugging flags (argument is a bit mask or flags)", | |
1474 | "-e 'command' one line of script. Several -e's allowed. Omit [programfile].", | |
1475 | "-F/pattern/ split() pattern for autosplit (-a). The //'s are optional.", | |
1476 | "-i[extension] edit <> files in place (make backup if extension supplied)", | |
1477 | "-Idirectory specify @INC/#include directory (may be used more than once)", | |
1478 | "-l[octal] enable line ending processing, specifies line terminator", | |
1479 | "-[mM][-]module.. executes `use/no module...' before executing your script.", | |
1480 | "-n assume 'while (<>) { ... }' loop around your script", | |
1481 | "-p assume loop like -n but print line also like sed", | |
1482 | "-P run script through C preprocessor before compilation", | |
1483 | "-s enable some switch parsing for switches after script name", | |
1484 | "-S look for the script using PATH environment variable", | |
1485 | "-T turn on tainting checks", | |
1486 | "-u dump core after parsing script", | |
1487 | "-U allow unsafe operations", | |
95103687 | 1488 | "-v print version number, patchlevel plus VERY IMPORTANT perl info", |
fb73857a | 1489 | "-V[:variable] print perl configuration information", |
1490 | "-w TURN WARNINGS ON FOR COMPILATION OF YOUR SCRIPT. Recommended.", | |
1491 | "-x[directory] strip off text before #!perl line and perhaps cd to directory", | |
1492 | "\n", | |
1493 | NULL | |
1494 | }; | |
76e3520e | 1495 | char **p = usage_msg; |
fb73857a | 1496 | |
ab821d7f | 1497 | printf("\nUsage: %s [switches] [--] [programfile] [arguments]", name); |
fb73857a | 1498 | while (*p) |
1499 | printf("\n %s", *p++); | |
4633a7c4 LW |
1500 | } |
1501 | ||
79072805 LW |
1502 | /* This routine handles any switches that can be given during run */ |
1503 | ||
1504 | char * | |
8ac85365 | 1505 | moreswitches(char *s) |
79072805 LW |
1506 | { |
1507 | I32 numlen; | |
c07a80fd | 1508 | U32 rschar; |
79072805 LW |
1509 | |
1510 | switch (*s) { | |
1511 | case '0': | |
a863c7d1 MB |
1512 | { |
1513 | dTHR; | |
c07a80fd | 1514 | rschar = scan_oct(s, 4, &numlen); |
1515 | SvREFCNT_dec(nrs); | |
1516 | if (rschar & ~((U8)~0)) | |
1517 | nrs = &sv_undef; | |
1518 | else if (!rschar && numlen >= 2) | |
1519 | nrs = newSVpv("", 0); | |
1520 | else { | |
1521 | char ch = rschar; | |
1522 | nrs = newSVpv(&ch, 1); | |
79072805 LW |
1523 | } |
1524 | return s + numlen; | |
a863c7d1 | 1525 | } |
2304df62 AD |
1526 | case 'F': |
1527 | minus_F = TRUE; | |
a0d0e21e | 1528 | splitstr = savepv(s + 1); |
2304df62 AD |
1529 | s += strlen(s); |
1530 | return s; | |
79072805 LW |
1531 | case 'a': |
1532 | minus_a = TRUE; | |
1533 | s++; | |
1534 | return s; | |
1535 | case 'c': | |
1536 | minus_c = TRUE; | |
1537 | s++; | |
1538 | return s; | |
1539 | case 'd': | |
bbce6d69 | 1540 | forbid_setid("-d"); |
4633a7c4 | 1541 | s++; |
c07a80fd | 1542 | if (*s == ':' || *s == '=') { |
46fc3d4c | 1543 | my_setenv("PERL5DB", form("use Devel::%s;", ++s)); |
4633a7c4 | 1544 | s += strlen(s); |
4633a7c4 | 1545 | } |
a0d0e21e | 1546 | if (!perldb) { |
84902520 | 1547 | perldb = PERLDB_ALL; |
a0d0e21e LW |
1548 | init_debugger(); |
1549 | } | |
79072805 LW |
1550 | return s; |
1551 | case 'D': | |
1552 | #ifdef DEBUGGING | |
bbce6d69 | 1553 | forbid_setid("-D"); |
79072805 | 1554 | if (isALPHA(s[1])) { |
8990e307 | 1555 | static char debopts[] = "psltocPmfrxuLHXD"; |
79072805 LW |
1556 | char *d; |
1557 | ||
93a17b20 | 1558 | for (s++; *s && (d = strchr(debopts,*s)); s++) |
79072805 LW |
1559 | debug |= 1 << (d - debopts); |
1560 | } | |
1561 | else { | |
1562 | debug = atoi(s+1); | |
1563 | for (s++; isDIGIT(*s); s++) ; | |
1564 | } | |
8990e307 | 1565 | debug |= 0x80000000; |
79072805 LW |
1566 | #else |
1567 | warn("Recompile perl with -DDEBUGGING to use -D switch\n"); | |
a0d0e21e | 1568 | for (s++; isALNUM(*s); s++) ; |
79072805 LW |
1569 | #endif |
1570 | /*SUPPRESS 530*/ | |
1571 | return s; | |
4633a7c4 LW |
1572 | case 'h': |
1573 | usage(origargv[0]); | |
6ad3d225 | 1574 | PerlProc_exit(0); |
79072805 LW |
1575 | case 'i': |
1576 | if (inplace) | |
1577 | Safefree(inplace); | |
a0d0e21e | 1578 | inplace = savepv(s+1); |
79072805 LW |
1579 | /*SUPPRESS 530*/ |
1580 | for (s = inplace; *s && !isSPACE(*s); s++) ; | |
7b8d334a | 1581 | if (*s) { |
fb73857a | 1582 | *s++ = '\0'; |
7b8d334a GS |
1583 | if (*s == '-') /* Additional switches on #! line. */ |
1584 | s++; | |
1585 | } | |
fb73857a | 1586 | return s; |
1587 | case 'I': /* -I handled both here and in parse_perl() */ | |
bbce6d69 | 1588 | forbid_setid("-I"); |
fb73857a | 1589 | ++s; |
1590 | while (*s && isSPACE(*s)) | |
1591 | ++s; | |
1592 | if (*s) { | |
774d564b | 1593 | char *e, *p; |
748a9306 | 1594 | for (e = s; *e && !isSPACE(*e); e++) ; |
774d564b | 1595 | p = savepvn(s, e-s); |
1596 | incpush(p, TRUE); | |
1597 | Safefree(p); | |
fb73857a | 1598 | s = e; |
79072805 LW |
1599 | } |
1600 | else | |
463ee0b2 | 1601 | croak("No space allowed after -I"); |
fb73857a | 1602 | return s; |
79072805 LW |
1603 | case 'l': |
1604 | minus_l = TRUE; | |
1605 | s++; | |
a0d0e21e LW |
1606 | if (ors) |
1607 | Safefree(ors); | |
79072805 | 1608 | if (isDIGIT(*s)) { |
a0d0e21e | 1609 | ors = savepv("\n"); |
79072805 LW |
1610 | orslen = 1; |
1611 | *ors = scan_oct(s, 3 + (*s == '0'), &numlen); | |
1612 | s += numlen; | |
1613 | } | |
1614 | else { | |
a863c7d1 | 1615 | dTHR; |
c07a80fd | 1616 | if (RsPARA(nrs)) { |
6e72f9df | 1617 | ors = "\n\n"; |
c07a80fd | 1618 | orslen = 2; |
1619 | } | |
1620 | else | |
1621 | ors = SvPV(nrs, orslen); | |
6e72f9df | 1622 | ors = savepvn(ors, orslen); |
79072805 LW |
1623 | } |
1624 | return s; | |
1a30305b | 1625 | case 'M': |
bbce6d69 | 1626 | forbid_setid("-M"); /* XXX ? */ |
1a30305b | 1627 | /* FALL THROUGH */ |
1628 | case 'm': | |
bbce6d69 | 1629 | forbid_setid("-m"); /* XXX ? */ |
1a30305b | 1630 | if (*++s) { |
a5f75d66 | 1631 | char *start; |
11343788 | 1632 | SV *sv; |
a5f75d66 AD |
1633 | char *use = "use "; |
1634 | /* -M-foo == 'no foo' */ | |
1635 | if (*s == '-') { use = "no "; ++s; } | |
11343788 | 1636 | sv = newSVpv(use,0); |
a5f75d66 | 1637 | start = s; |
1a30305b | 1638 | /* We allow -M'Module qw(Foo Bar)' */ |
c07a80fd | 1639 | while(isALNUM(*s) || *s==':') ++s; |
1640 | if (*s != '=') { | |
11343788 | 1641 | sv_catpv(sv, start); |
c07a80fd | 1642 | if (*(start-1) == 'm') { |
1643 | if (*s != '\0') | |
1644 | croak("Can't use '%c' after -mname", *s); | |
11343788 | 1645 | sv_catpv( sv, " ()"); |
c07a80fd | 1646 | } |
1647 | } else { | |
11343788 MB |
1648 | sv_catpvn(sv, start, s-start); |
1649 | sv_catpv(sv, " split(/,/,q{"); | |
1650 | sv_catpv(sv, ++s); | |
1651 | sv_catpv(sv, "})"); | |
c07a80fd | 1652 | } |
1a30305b | 1653 | s += strlen(s); |
c07a80fd | 1654 | if (preambleav == NULL) |
1655 | preambleav = newAV(); | |
11343788 | 1656 | av_push(preambleav, sv); |
1a30305b | 1657 | } |
1658 | else | |
1659 | croak("No space allowed after -%c", *(s-1)); | |
1660 | return s; | |
79072805 LW |
1661 | case 'n': |
1662 | minus_n = TRUE; | |
1663 | s++; | |
1664 | return s; | |
1665 | case 'p': | |
1666 | minus_p = TRUE; | |
1667 | s++; | |
1668 | return s; | |
1669 | case 's': | |
bbce6d69 | 1670 | forbid_setid("-s"); |
79072805 LW |
1671 | doswitches = TRUE; |
1672 | s++; | |
1673 | return s; | |
463ee0b2 | 1674 | case 'T': |
f86702cc | 1675 | if (!tainting) |
9607fc9c | 1676 | croak("Too late for \"-T\" option"); |
463ee0b2 LW |
1677 | s++; |
1678 | return s; | |
79072805 LW |
1679 | case 'u': |
1680 | do_undump = TRUE; | |
1681 | s++; | |
1682 | return s; | |
1683 | case 'U': | |
1684 | unsafe = TRUE; | |
1685 | s++; | |
1686 | return s; | |
1687 | case 'v': | |
a5f75d66 | 1688 | #if defined(SUBVERSION) && SUBVERSION > 0 |
fb73857a | 1689 | printf("\nThis is perl, version 5.%03d_%02d built for %s", |
1690 | PATCHLEVEL, SUBVERSION, ARCHNAME); | |
a5f75d66 | 1691 | #else |
fb73857a | 1692 | printf("\nThis is perl, version %s built for %s", |
1693 | patchlevel, ARCHNAME); | |
1694 | #endif | |
1695 | #if defined(LOCAL_PATCH_COUNT) | |
1696 | if (LOCAL_PATCH_COUNT > 0) | |
1697 | printf("\n(with %d registered patch%s, see perl -V for more detail)", | |
1698 | LOCAL_PATCH_COUNT, (LOCAL_PATCH_COUNT!=1) ? "es" : ""); | |
a5f75d66 | 1699 | #endif |
1a30305b | 1700 | |
a411490c | 1701 | printf("\n\nCopyright 1987-1998, Larry Wall\n"); |
79072805 | 1702 | #ifdef MSDOS |
fb73857a | 1703 | printf("\nMS-DOS port Copyright (c) 1989, 1990, Diomidis Spinellis\n"); |
55497cff | 1704 | #endif |
1705 | #ifdef DJGPP | |
1706 | printf("djgpp v2 port (jpl5003c) by Hirofumi Watanabe, 1996\n"); | |
9731c6ca | 1707 | printf("djgpp v2 port (perl5004+) by Laszlo Molnar, 1997-1998\n"); |
4633a7c4 | 1708 | #endif |
79072805 | 1709 | #ifdef OS2 |
5dd60ef7 | 1710 | printf("\n\nOS/2 port Copyright (c) 1990, 1991, Raymond Chen, Kai Uwe Rommel\n" |
a411490c | 1711 | "Version 5 port Copyright (c) 1994-1998, Andreas Kaiser, Ilya Zakharevich\n"); |
79072805 | 1712 | #endif |
79072805 | 1713 | #ifdef atarist |
760ac839 | 1714 | printf("atariST series port, ++jrb bammi@cadence.com\n"); |
79072805 | 1715 | #endif |
760ac839 | 1716 | printf("\n\ |
79072805 | 1717 | Perl may be copied only under the terms of either the Artistic License or the\n\ |
95103687 GS |
1718 | GNU General Public License, which may be found in the Perl 5.0 source kit.\n\n\ |
1719 | Complete documentation for Perl, including FAQ lists, should be found on\n\ | |
1720 | this system using `man perl' or `perldoc perl'. If you have access to the\n\ | |
1721 | Internet, point your browser at http://www.perl.com/, the Perl Home Page.\n\n"); | |
6ad3d225 | 1722 | PerlProc_exit(0); |
79072805 LW |
1723 | case 'w': |
1724 | dowarn = TRUE; | |
1725 | s++; | |
1726 | return s; | |
a0d0e21e | 1727 | case '*': |
79072805 LW |
1728 | case ' ': |
1729 | if (s[1] == '-') /* Additional switches on #! line. */ | |
1730 | return s+2; | |
1731 | break; | |
a0d0e21e | 1732 | case '-': |
79072805 | 1733 | case 0: |
a868473f NIS |
1734 | #ifdef WIN32 |
1735 | case '\r': | |
1736 | #endif | |
79072805 LW |
1737 | case '\n': |
1738 | case '\t': | |
1739 | break; | |
aa689395 | 1740 | #ifdef ALTERNATE_SHEBANG |
1741 | case 'S': /* OS/2 needs -S on "extproc" line. */ | |
1742 | break; | |
1743 | #endif | |
a0d0e21e LW |
1744 | case 'P': |
1745 | if (preprocess) | |
1746 | return s+1; | |
1747 | /* FALL THROUGH */ | |
79072805 | 1748 | default: |
a0d0e21e | 1749 | croak("Can't emulate -%.1s on #! line",s); |
79072805 LW |
1750 | } |
1751 | return Nullch; | |
1752 | } | |
1753 | ||
1754 | /* compliments of Tom Christiansen */ | |
1755 | ||
1756 | /* unexec() can be found in the Gnu emacs distribution */ | |
ee580363 | 1757 | /* Known to work with -DUNEXEC and using unexelf.c from GNU emacs-20.2 */ |
79072805 LW |
1758 | |
1759 | void | |
8ac85365 | 1760 | my_unexec(void) |
79072805 LW |
1761 | { |
1762 | #ifdef UNEXEC | |
46fc3d4c | 1763 | SV* prog; |
1764 | SV* file; | |
ee580363 | 1765 | int status = 1; |
79072805 LW |
1766 | extern int etext; |
1767 | ||
ee580363 | 1768 | prog = newSVpv(BIN_EXP, 0); |
46fc3d4c | 1769 | sv_catpv(prog, "/perl"); |
ee580363 | 1770 | file = newSVpv(origfilename, 0); |
46fc3d4c | 1771 | sv_catpv(file, ".perldump"); |
79072805 | 1772 | |
ee580363 GS |
1773 | unexec(SvPVX(file), SvPVX(prog), &etext, sbrk(0), 0); |
1774 | /* unexec prints msg to stderr in case of failure */ | |
6ad3d225 | 1775 | PerlProc_exit(status); |
79072805 | 1776 | #else |
a5f75d66 AD |
1777 | # ifdef VMS |
1778 | # include <lib$routines.h> | |
1779 | lib$signal(SS$_DEBUG); /* ssdef.h #included from vmsish.h */ | |
aa689395 | 1780 | # else |
79072805 | 1781 | ABORT(); /* for use with undump */ |
aa689395 | 1782 | # endif |
a5f75d66 | 1783 | #endif |
79072805 LW |
1784 | } |
1785 | ||
76e3520e | 1786 | STATIC void |
8ac85365 | 1787 | init_main_stash(void) |
79072805 | 1788 | { |
11343788 | 1789 | dTHR; |
463ee0b2 | 1790 | GV *gv; |
6e72f9df | 1791 | |
1792 | /* Note that strtab is a rather special HV. Assumptions are made | |
1793 | about not iterating on it, and not adding tie magic to it. | |
1794 | It is properly deallocated in perl_destruct() */ | |
1795 | strtab = newHV(); | |
1796 | HvSHAREKEYS_off(strtab); /* mandatory */ | |
1797 | Newz(506,((XPVHV*)SvANY(strtab))->xhv_array, | |
1798 | sizeof(HE*) * (((XPVHV*)SvANY(strtab))->xhv_max + 1), char); | |
1799 | ||
463ee0b2 | 1800 | curstash = defstash = newHV(); |
79072805 | 1801 | curstname = newSVpv("main",4); |
adbc6bb1 LW |
1802 | gv = gv_fetchpv("main::",TRUE, SVt_PVHV); |
1803 | SvREFCNT_dec(GvHV(gv)); | |
1804 | GvHV(gv) = (HV*)SvREFCNT_inc(defstash); | |
463ee0b2 | 1805 | SvREADONLY_on(gv); |
a0d0e21e | 1806 | HvNAME(defstash) = savepv("main"); |
85e6fe83 | 1807 | incgv = gv_HVadd(gv_AVadd(gv_fetchpv("INC",TRUE, SVt_PVAV))); |
a5f75d66 | 1808 | GvMULTI_on(incgv); |
a0d0e21e | 1809 | defgv = gv_fetchpv("_",TRUE, SVt_PVAV); |
12f917ad MB |
1810 | errgv = gv_HVadd(gv_fetchpv("@", TRUE, SVt_PV)); |
1811 | GvMULTI_on(errgv); | |
84902520 | 1812 | (void)form("%240s",""); /* Preallocate temp - for immediate signals. */ |
38a03e6e MB |
1813 | sv_grow(ERRSV, 240); /* Preallocate - for immediate signals. */ |
1814 | sv_setpvn(ERRSV, "", 0); | |
8990e307 LW |
1815 | curstash = defstash; |
1816 | compiling.cop_stash = defstash; | |
adbc6bb1 | 1817 | debstash = GvHV(gv_fetchpv("DB::", GV_ADDMULTI, SVt_PVHV)); |
49dc05e3 | 1818 | globalstash = GvHV(gv_fetchpv("CORE::GLOBAL::", GV_ADDMULTI, SVt_PVHV)); |
4633a7c4 LW |
1819 | /* We must init $/ before switches are processed. */ |
1820 | sv_setpvn(GvSV(gv_fetchpv("/", TRUE, SVt_PV)), "\n", 1); | |
79072805 LW |
1821 | } |
1822 | ||
76e3520e | 1823 | STATIC void |
01f988be | 1824 | open_script(char *scriptname, bool dosearch, SV *sv, int *fdscript) |
79072805 | 1825 | { |
0f15f207 | 1826 | dTHR; |
79072805 | 1827 | register char *s; |
2a92aaa0 | 1828 | |
491527d0 | 1829 | scriptname = find_script(scriptname, dosearch, NULL, 0); |
79072805 | 1830 | |
96436eeb | 1831 | if (strnEQ(scriptname, "/dev/fd/", 8) && isDIGIT(scriptname[8]) ) { |
1832 | char *s = scriptname + 8; | |
01f988be | 1833 | *fdscript = atoi(s); |
96436eeb | 1834 | while (isDIGIT(*s)) |
1835 | s++; | |
1836 | if (*s) | |
1837 | scriptname = s + 1; | |
1838 | } | |
1839 | else | |
01f988be | 1840 | *fdscript = -1; |
afe37c7d | 1841 | origfilename = savepv(e_script ? "-e" : scriptname); |
79072805 LW |
1842 | curcop->cop_filegv = gv_fetchfile(origfilename); |
1843 | if (strEQ(origfilename,"-")) | |
1844 | scriptname = ""; | |
01f988be GS |
1845 | if (*fdscript >= 0) { |
1846 | rsfp = PerlIO_fdopen(*fdscript,PERL_SCRIPT_MODE); | |
96436eeb | 1847 | #if defined(HAS_FCNTL) && defined(F_SETFD) |
7aa04957 CS |
1848 | if (rsfp) |
1849 | fcntl(PerlIO_fileno(rsfp),F_SETFD,1); /* ensure close-on-exec */ | |
96436eeb | 1850 | #endif |
1851 | } | |
1852 | else if (preprocess) { | |
46fc3d4c | 1853 | char *cpp_cfg = CPPSTDIN; |
1854 | SV *cpp = NEWSV(0,0); | |
1855 | SV *cmd = NEWSV(0,0); | |
1856 | ||
1857 | if (strEQ(cpp_cfg, "cppstdin")) | |
1858 | sv_catpvf(cpp, "%s/", BIN_EXP); | |
1859 | sv_catpv(cpp, cpp_cfg); | |
79072805 | 1860 | |
79072805 | 1861 | sv_catpv(sv,"-I"); |
fed7345c | 1862 | sv_catpv(sv,PRIVLIB_EXP); |
46fc3d4c | 1863 | |
79072805 | 1864 | #ifdef MSDOS |
46fc3d4c | 1865 | sv_setpvf(cmd, "\ |
79072805 LW |
1866 | sed %s -e \"/^[^#]/b\" \ |
1867 | -e \"/^#[ ]*include[ ]/b\" \ | |
1868 | -e \"/^#[ ]*define[ ]/b\" \ | |
1869 | -e \"/^#[ ]*if[ ]/b\" \ | |
1870 | -e \"/^#[ ]*ifdef[ ]/b\" \ | |
1871 | -e \"/^#[ ]*ifndef[ ]/b\" \ | |
1872 | -e \"/^#[ ]*else/b\" \ | |
1873 | -e \"/^#[ ]*elif[ ]/b\" \ | |
1874 | -e \"/^#[ ]*undef[ ]/b\" \ | |
1875 | -e \"/^#[ ]*endif/b\" \ | |
1876 | -e \"s/^#.*//\" \ | |
fc36a67e | 1877 | %s | %_ -C %_ %s", |
79072805 LW |
1878 | (doextract ? "-e \"1,/^#/d\n\"" : ""), |
1879 | #else | |
46fc3d4c | 1880 | sv_setpvf(cmd, "\ |
79072805 LW |
1881 | %s %s -e '/^[^#]/b' \ |
1882 | -e '/^#[ ]*include[ ]/b' \ | |
1883 | -e '/^#[ ]*define[ ]/b' \ | |
1884 | -e '/^#[ ]*if[ ]/b' \ | |
1885 | -e '/^#[ ]*ifdef[ ]/b' \ | |
1886 | -e '/^#[ ]*ifndef[ ]/b' \ | |
1887 | -e '/^#[ ]*else/b' \ | |
1888 | -e '/^#[ ]*elif[ ]/b' \ | |
1889 | -e '/^#[ ]*undef[ ]/b' \ | |
1890 | -e '/^#[ ]*endif/b' \ | |
1891 | -e 's/^[ ]*#.*//' \ | |
fc36a67e | 1892 | %s | %_ -C %_ %s", |
79072805 LW |
1893 | #ifdef LOC_SED |
1894 | LOC_SED, | |
1895 | #else | |
1896 | "sed", | |
1897 | #endif | |
1898 | (doextract ? "-e '1,/^#/d\n'" : ""), | |
1899 | #endif | |
46fc3d4c | 1900 | scriptname, cpp, sv, CPPMINUS); |
79072805 LW |
1901 | doextract = FALSE; |
1902 | #ifdef IAMSUID /* actually, this is caught earlier */ | |
1903 | if (euid != uid && !euid) { /* if running suidperl */ | |
1904 | #ifdef HAS_SETEUID | |
1905 | (void)seteuid(uid); /* musn't stay setuid root */ | |
1906 | #else | |
1907 | #ifdef HAS_SETREUID | |
85e6fe83 LW |
1908 | (void)setreuid((Uid_t)-1, uid); |
1909 | #else | |
1910 | #ifdef HAS_SETRESUID | |
1911 | (void)setresuid((Uid_t)-1, uid, (Uid_t)-1); | |
79072805 | 1912 | #else |
76e3520e | 1913 | PerlProc_setuid(uid); |
79072805 LW |
1914 | #endif |
1915 | #endif | |
85e6fe83 | 1916 | #endif |
76e3520e | 1917 | if (PerlProc_geteuid() != uid) |
463ee0b2 | 1918 | croak("Can't do seteuid!\n"); |
79072805 LW |
1919 | } |
1920 | #endif /* IAMSUID */ | |
6ad3d225 | 1921 | rsfp = PerlProc_popen(SvPVX(cmd), "r"); |
46fc3d4c | 1922 | SvREFCNT_dec(cmd); |
1923 | SvREFCNT_dec(cpp); | |
79072805 LW |
1924 | } |
1925 | else if (!*scriptname) { | |
bbce6d69 | 1926 | forbid_setid("program input from stdin"); |
760ac839 | 1927 | rsfp = PerlIO_stdin(); |
79072805 | 1928 | } |
96436eeb | 1929 | else { |
a868473f | 1930 | rsfp = PerlIO_open(scriptname,PERL_SCRIPT_MODE); |
96436eeb | 1931 | #if defined(HAS_FCNTL) && defined(F_SETFD) |
7aa04957 CS |
1932 | if (rsfp) |
1933 | fcntl(PerlIO_fileno(rsfp),F_SETFD,1); /* ensure close-on-exec */ | |
96436eeb | 1934 | #endif |
1935 | } | |
7aa04957 | 1936 | if (!rsfp) { |
13281fa4 | 1937 | #ifdef DOSUID |
a687059c | 1938 | #ifndef IAMSUID /* in case script is not readable before setuid */ |
76e3520e | 1939 | if (euid && PerlLIO_stat(SvPVX(GvSV(curcop->cop_filegv)),&statbuf) >= 0 && |
13281fa4 | 1940 | statbuf.st_mode & (S_ISUID|S_ISGID)) { |
46fc3d4c | 1941 | /* try again */ |
6ad3d225 | 1942 | PerlProc_execv(form("%s/sperl%s", BIN_EXP, patchlevel), origargv); |
463ee0b2 | 1943 | croak("Can't do setuid\n"); |
13281fa4 LW |
1944 | } |
1945 | #endif | |
1946 | #endif | |
463ee0b2 | 1947 | croak("Can't open perl script \"%s\": %s\n", |
2304df62 | 1948 | SvPVX(GvSV(curcop->cop_filegv)), Strerror(errno)); |
13281fa4 | 1949 | } |
79072805 | 1950 | } |
8d063cd8 | 1951 | |
76e3520e | 1952 | STATIC void |
01f988be | 1953 | validate_suid(char *validarg, char *scriptname, int fdscript) |
79072805 | 1954 | { |
96436eeb | 1955 | int which; |
1956 | ||
13281fa4 LW |
1957 | /* do we need to emulate setuid on scripts? */ |
1958 | ||
1959 | /* This code is for those BSD systems that have setuid #! scripts disabled | |
1960 | * in the kernel because of a security problem. Merely defining DOSUID | |
1961 | * in perl will not fix that problem, but if you have disabled setuid | |
1962 | * scripts in the kernel, this will attempt to emulate setuid and setgid | |
1963 | * on scripts that have those now-otherwise-useless bits set. The setuid | |
27e2fb84 LW |
1964 | * root version must be called suidperl or sperlN.NNN. If regular perl |
1965 | * discovers that it has opened a setuid script, it calls suidperl with | |
1966 | * the same argv that it had. If suidperl finds that the script it has | |
1967 | * just opened is NOT setuid root, it sets the effective uid back to the | |
1968 | * uid. We don't just make perl setuid root because that loses the | |
1969 | * effective uid we had before invoking perl, if it was different from the | |
1970 | * uid. | |
13281fa4 LW |
1971 | * |
1972 | * DOSUID must be defined in both perl and suidperl, and IAMSUID must | |
1973 | * be defined in suidperl only. suidperl must be setuid root. The | |
1974 | * Configure script will set this up for you if you want it. | |
1975 | */ | |
a687059c | 1976 | |
13281fa4 | 1977 | #ifdef DOSUID |
ea0efc06 | 1978 | dTHR; |
6e72f9df | 1979 | char *s, *s2; |
a0d0e21e | 1980 | |
6ad3d225 | 1981 | if (PerlLIO_fstat(PerlIO_fileno(rsfp),&statbuf) < 0) /* normal stat is insecure */ |
463ee0b2 | 1982 | croak("Can't stat script \"%s\"",origfilename); |
96436eeb | 1983 | if (fdscript < 0 && statbuf.st_mode & (S_ISUID|S_ISGID)) { |
79072805 | 1984 | I32 len; |
13281fa4 | 1985 | |
a687059c | 1986 | #ifdef IAMSUID |
fe14fcc3 | 1987 | #ifndef HAS_SETREUID |
a687059c LW |
1988 | /* On this access check to make sure the directories are readable, |
1989 | * there is actually a small window that the user could use to make | |
1990 | * filename point to an accessible directory. So there is a faint | |
1991 | * chance that someone could execute a setuid script down in a | |
1992 | * non-accessible directory. I don't know what to do about that. | |
1993 | * But I don't think it's too important. The manual lies when | |
1994 | * it says access() is useful in setuid programs. | |
1995 | */ | |
6ad3d225 | 1996 | if (PerlLIO_access(SvPVX(GvSV(curcop->cop_filegv)),1)) /*double check*/ |
463ee0b2 | 1997 | croak("Permission denied"); |
a687059c LW |
1998 | #else |
1999 | /* If we can swap euid and uid, then we can determine access rights | |
2000 | * with a simple stat of the file, and then compare device and | |
2001 | * inode to make sure we did stat() on the same file we opened. | |
2002 | * Then we just have to make sure he or she can execute it. | |
2003 | */ | |
2004 | { | |
2005 | struct stat tmpstatbuf; | |
2006 | ||
85e6fe83 LW |
2007 | if ( |
2008 | #ifdef HAS_SETREUID | |
2009 | setreuid(euid,uid) < 0 | |
a0d0e21e LW |
2010 | #else |
2011 | # if HAS_SETRESUID | |
85e6fe83 | 2012 | setresuid(euid,uid,(Uid_t)-1) < 0 |
a0d0e21e | 2013 | # endif |
85e6fe83 | 2014 | #endif |
76e3520e | 2015 | || PerlProc_getuid() != euid || PerlProc_geteuid() != uid) |
463ee0b2 | 2016 | croak("Can't swap uid and euid"); /* really paranoid */ |
76e3520e | 2017 | if (PerlLIO_stat(SvPVX(GvSV(curcop->cop_filegv)),&tmpstatbuf) < 0) |
463ee0b2 | 2018 | croak("Permission denied"); /* testing full pathname here */ |
a687059c LW |
2019 | if (tmpstatbuf.st_dev != statbuf.st_dev || |
2020 | tmpstatbuf.st_ino != statbuf.st_ino) { | |
760ac839 | 2021 | (void)PerlIO_close(rsfp); |
6ad3d225 | 2022 | if (rsfp = PerlProc_popen("/bin/mail root","w")) { /* heh, heh */ |
760ac839 | 2023 | PerlIO_printf(rsfp, |
ff0cee69 | 2024 | "User %ld tried to run dev %ld ino %ld in place of dev %ld ino %ld!\n\ |
2025 | (Filename of set-id script was %s, uid %ld gid %ld.)\n\nSincerely,\nperl\n", | |
2026 | (long)uid,(long)tmpstatbuf.st_dev, (long)tmpstatbuf.st_ino, | |
2027 | (long)statbuf.st_dev, (long)statbuf.st_ino, | |
463ee0b2 | 2028 | SvPVX(GvSV(curcop->cop_filegv)), |
ff0cee69 | 2029 | (long)statbuf.st_uid, (long)statbuf.st_gid); |
6ad3d225 | 2030 | (void)PerlProc_pclose(rsfp); |
a687059c | 2031 | } |
463ee0b2 | 2032 | croak("Permission denied\n"); |
a687059c | 2033 | } |
85e6fe83 LW |
2034 | if ( |
2035 | #ifdef HAS_SETREUID | |
2036 | setreuid(uid,euid) < 0 | |
a0d0e21e LW |
2037 | #else |
2038 | # if defined(HAS_SETRESUID) | |
85e6fe83 | 2039 | setresuid(uid,euid,(Uid_t)-1) < 0 |
a0d0e21e | 2040 | # endif |
85e6fe83 | 2041 | #endif |
76e3520e | 2042 | || PerlProc_getuid() != uid || PerlProc_geteuid() != euid) |
463ee0b2 | 2043 | croak("Can't reswap uid and euid"); |
27e2fb84 | 2044 | if (!cando(S_IXUSR,FALSE,&statbuf)) /* can real uid exec? */ |
463ee0b2 | 2045 | croak("Permission denied\n"); |
a687059c | 2046 | } |
fe14fcc3 | 2047 | #endif /* HAS_SETREUID */ |
a687059c LW |
2048 | #endif /* IAMSUID */ |
2049 | ||
27e2fb84 | 2050 | if (!S_ISREG(statbuf.st_mode)) |
463ee0b2 | 2051 | croak("Permission denied"); |
27e2fb84 | 2052 | if (statbuf.st_mode & S_IWOTH) |
463ee0b2 | 2053 | croak("Setuid/gid script is writable by world"); |
13281fa4 | 2054 | doswitches = FALSE; /* -s is insecure in suid */ |
79072805 | 2055 | curcop->cop_line++; |
760ac839 LW |
2056 | if (sv_gets(linestr, rsfp, 0) == Nullch || |
2057 | strnNE(SvPV(linestr,na),"#!",2) ) /* required even on Sys V */ | |
463ee0b2 | 2058 | croak("No #! line"); |
760ac839 | 2059 | s = SvPV(linestr,na)+2; |
663a0e37 | 2060 | if (*s == ' ') s++; |
45d8adaa | 2061 | while (!isSPACE(*s)) s++; |
760ac839 | 2062 | for (s2 = s; (s2 > SvPV(linestr,na)+2 && |
6e72f9df | 2063 | (isDIGIT(s2[-1]) || strchr("._-", s2[-1]))); s2--) ; |
2064 | if (strnNE(s2-4,"perl",4) && strnNE(s-9,"perl",4)) /* sanity check */ | |
463ee0b2 | 2065 | croak("Not a perl script"); |
a687059c | 2066 | while (*s == ' ' || *s == '\t') s++; |
13281fa4 LW |
2067 | /* |
2068 | * #! arg must be what we saw above. They can invoke it by | |
2069 | * mentioning suidperl explicitly, but they may not add any strange | |
2070 | * arguments beyond what #! says if they do invoke suidperl that way. | |
2071 | */ | |
2072 | len = strlen(validarg); | |
2073 | if (strEQ(validarg," PHOOEY ") || | |
45d8adaa | 2074 | strnNE(s,validarg,len) || !isSPACE(s[len])) |
463ee0b2 | 2075 | croak("Args must match #! line"); |
a687059c LW |
2076 | |
2077 | #ifndef IAMSUID | |
2078 | if (euid != uid && (statbuf.st_mode & S_ISUID) && | |
2079 | euid == statbuf.st_uid) | |
2080 | if (!do_undump) | |
463ee0b2 | 2081 | croak("YOU HAVEN'T DISABLED SET-ID SCRIPTS IN THE KERNEL YET!\n\ |
a687059c LW |
2082 | FIX YOUR KERNEL, PUT A C WRAPPER AROUND THIS SCRIPT, OR USE -u AND UNDUMP!\n"); |
2083 | #endif /* IAMSUID */ | |
13281fa4 LW |
2084 | |
2085 | if (euid) { /* oops, we're not the setuid root perl */ | |
760ac839 | 2086 | (void)PerlIO_close(rsfp); |
13281fa4 | 2087 | #ifndef IAMSUID |
46fc3d4c | 2088 | /* try again */ |
6ad3d225 | 2089 | PerlProc_execv(form("%s/sperl%s", BIN_EXP, patchlevel), origargv); |
13281fa4 | 2090 | #endif |
463ee0b2 | 2091 | croak("Can't do setuid\n"); |
13281fa4 LW |
2092 | } |
2093 | ||
83025b21 | 2094 | if (statbuf.st_mode & S_ISGID && statbuf.st_gid != egid) { |
fe14fcc3 | 2095 | #ifdef HAS_SETEGID |
a687059c LW |
2096 | (void)setegid(statbuf.st_gid); |
2097 | #else | |
fe14fcc3 | 2098 | #ifdef HAS_SETREGID |
85e6fe83 LW |
2099 | (void)setregid((Gid_t)-1,statbuf.st_gid); |
2100 | #else | |
2101 | #ifdef HAS_SETRESGID | |
2102 | (void)setresgid((Gid_t)-1,statbuf.st_gid,(Gid_t)-1); | |
a687059c | 2103 | #else |
76e3520e | 2104 | PerlProc_setgid(statbuf.st_gid); |
a687059c LW |
2105 | #endif |
2106 | #endif | |
85e6fe83 | 2107 | #endif |
76e3520e | 2108 | if (PerlProc_getegid() != statbuf.st_gid) |
463ee0b2 | 2109 | croak("Can't do setegid!\n"); |
83025b21 | 2110 | } |
a687059c LW |
2111 | if (statbuf.st_mode & S_ISUID) { |
2112 | if (statbuf.st_uid != euid) | |
fe14fcc3 | 2113 | #ifdef HAS_SETEUID |
a687059c LW |
2114 | (void)seteuid(statbuf.st_uid); /* all that for this */ |
2115 | #else | |
fe14fcc3 | 2116 | #ifdef HAS_SETREUID |
85e6fe83 LW |
2117 | (void)setreuid((Uid_t)-1,statbuf.st_uid); |
2118 | #else | |
2119 | #ifdef HAS_SETRESUID | |
2120 | (void)setresuid((Uid_t)-1,statbuf.st_uid,(Uid_t)-1); | |
a687059c | 2121 | #else |
76e3520e | 2122 | PerlProc_setuid(statbuf.st_uid); |
a687059c LW |
2123 | #endif |
2124 | #endif | |
85e6fe83 | 2125 | #endif |
76e3520e | 2126 | if (PerlProc_geteuid() != statbuf.st_uid) |
463ee0b2 | 2127 | croak("Can't do seteuid!\n"); |
a687059c | 2128 | } |
83025b21 | 2129 | else if (uid) { /* oops, mustn't run as root */ |
fe14fcc3 | 2130 | #ifdef HAS_SETEUID |
85e6fe83 | 2131 | (void)seteuid((Uid_t)uid); |
a687059c | 2132 | #else |
fe14fcc3 | 2133 | #ifdef HAS_SETREUID |
85e6fe83 | 2134 | (void)setreuid((Uid_t)-1,(Uid_t)uid); |
a687059c | 2135 | #else |
85e6fe83 LW |
2136 | #ifdef HAS_SETRESUID |
2137 | (void)setresuid((Uid_t)-1,(Uid_t)uid,(Uid_t)-1); | |
2138 | #else | |
76e3520e | 2139 | PerlProc_setuid((Uid_t)uid); |
85e6fe83 | 2140 | #endif |
a687059c LW |
2141 | #endif |
2142 | #endif | |
76e3520e | 2143 | if (PerlProc_geteuid() != uid) |
463ee0b2 | 2144 | croak("Can't do seteuid!\n"); |
83025b21 | 2145 | } |
748a9306 | 2146 | init_ids(); |
27e2fb84 | 2147 | if (!cando(S_IXUSR,TRUE,&statbuf)) |
463ee0b2 | 2148 | croak("Permission denied\n"); /* they can't do this */ |
13281fa4 LW |
2149 | } |
2150 | #ifdef IAMSUID | |
2151 | else if (preprocess) | |
463ee0b2 | 2152 | croak("-P not allowed for setuid/setgid script\n"); |
96436eeb | 2153 | else if (fdscript >= 0) |
2154 | croak("fd script not allowed in suidperl\n"); | |
13281fa4 | 2155 | else |
463ee0b2 | 2156 | croak("Script is not setuid/setgid in suidperl\n"); |
96436eeb | 2157 | |
2158 | /* We absolutely must clear out any saved ids here, so we */ | |
2159 | /* exec the real perl, substituting fd script for scriptname. */ | |
2160 | /* (We pass script name as "subdir" of fd, which perl will grok.) */ | |
760ac839 | 2161 | PerlIO_rewind(rsfp); |
6ad3d225 | 2162 | PerlLIO_lseek(PerlIO_fileno(rsfp),(Off_t)0,0); /* just in case rewind didn't */ |
96436eeb | 2163 | for (which = 1; origargv[which] && origargv[which] != scriptname; which++) ; |
2164 | if (!origargv[which]) | |
2165 | croak("Permission denied"); | |
46fc3d4c | 2166 | origargv[which] = savepv(form("/dev/fd/%d/%s", |
2167 | PerlIO_fileno(rsfp), origargv[which])); | |
96436eeb | 2168 | #if defined(HAS_FCNTL) && defined(F_SETFD) |
760ac839 | 2169 | fcntl(PerlIO_fileno(rsfp),F_SETFD,0); /* ensure no close-on-exec */ |
96436eeb | 2170 | #endif |
6ad3d225 | 2171 | PerlProc_execv(form("%s/perl%s", BIN_EXP, patchlevel), origargv); /* try again */ |
96436eeb | 2172 | croak("Can't do setuid\n"); |
13281fa4 | 2173 | #endif /* IAMSUID */ |
a687059c | 2174 | #else /* !DOSUID */ |
a687059c LW |
2175 | if (euid != uid || egid != gid) { /* (suidperl doesn't exist, in fact) */ |
2176 | #ifndef SETUID_SCRIPTS_ARE_SECURE_NOW | |
96827780 | 2177 | dTHR; |
6ad3d225 | 2178 | PerlLIO_fstat(PerlIO_fileno(rsfp),&statbuf); /* may be either wrapped or real suid */ |
a687059c LW |
2179 | if ((euid != uid && euid == statbuf.st_uid && statbuf.st_mode & S_ISUID) |
2180 | || | |
2181 | (egid != gid && egid == statbuf.st_gid && statbuf.st_mode & S_ISGID) | |
2182 | ) | |
2183 | if (!do_undump) | |
463ee0b2 | 2184 | croak("YOU HAVEN'T DISABLED SET-ID SCRIPTS IN THE KERNEL YET!\n\ |
a687059c LW |
2185 | FIX YOUR KERNEL, PUT A C WRAPPER AROUND THIS SCRIPT, OR USE -u AND UNDUMP!\n"); |
2186 | #endif /* SETUID_SCRIPTS_ARE_SECURE_NOW */ | |
2187 | /* not set-id, must be wrapped */ | |
a687059c | 2188 | } |
13281fa4 | 2189 | #endif /* DOSUID */ |
79072805 | 2190 | } |
13281fa4 | 2191 | |
76e3520e | 2192 | STATIC void |
8ac85365 | 2193 | find_beginning(void) |
79072805 | 2194 | { |
6e72f9df | 2195 | register char *s, *s2; |
33b78306 LW |
2196 | |
2197 | /* skip forward in input to the real script? */ | |
2198 | ||
bbce6d69 | 2199 | forbid_setid("-x"); |
33b78306 | 2200 | while (doextract) { |
79072805 | 2201 | if ((s = sv_gets(linestr, rsfp, 0)) == Nullch) |
463ee0b2 | 2202 | croak("No Perl script found in input\n"); |
6e72f9df | 2203 | if (*s == '#' && s[1] == '!' && (s = instr(s,"perl"))) { |
760ac839 | 2204 | PerlIO_ungetc(rsfp, '\n'); /* to keep line count right */ |
33b78306 | 2205 | doextract = FALSE; |
6e72f9df | 2206 | while (*s && !(isSPACE (*s) || *s == '#')) s++; |
2207 | s2 = s; | |
2208 | while (*s == ' ' || *s == '\t') s++; | |
2209 | if (*s++ == '-') { | |
2210 | while (isDIGIT(s2[-1]) || strchr("-._", s2[-1])) s2--; | |
2211 | if (strnEQ(s2-4,"perl",4)) | |
2212 | /*SUPPRESS 530*/ | |
2213 | while (s = moreswitches(s)) ; | |
33b78306 | 2214 | } |
6ad3d225 | 2215 | if (cddir && PerlDir_chdir(cddir) < 0) |
463ee0b2 | 2216 | croak("Can't chdir to %s",cddir); |
83025b21 LW |
2217 | } |
2218 | } | |
2219 | } | |
2220 | ||
afe37c7d | 2221 | |
36660982 | 2222 | STATIC I32 |
afe37c7d GS |
2223 | read_e_script(int idx, SV *buf_sv, int maxlen) |
2224 | { | |
2225 | char *p, *nl; | |
2226 | FILTER_READ(idx+1, buf_sv, maxlen); | |
2227 | p = SvPVX(e_script); | |
2228 | nl = strchr(p, '\n'); | |
2229 | nl = (nl) ? nl+1 : SvEND(e_script); | |
2230 | if (nl-p == 0) | |
2231 | return 0; | |
2232 | sv_catpvn(buf_sv, p, nl-p); | |
2233 | sv_chop(e_script, nl); | |
2234 | return 1; | |
2235 | } | |
2236 | ||
2237 | ||
76e3520e | 2238 | STATIC void |
8ac85365 | 2239 | init_ids(void) |
352d5a3a | 2240 | { |
76e3520e GS |
2241 | uid = (int)PerlProc_getuid(); |
2242 | euid = (int)PerlProc_geteuid(); | |
2243 | gid = (int)PerlProc_getgid(); | |
2244 | egid = (int)PerlProc_getegid(); | |
748a9306 LW |
2245 | #ifdef VMS |
2246 | uid |= gid << 16; | |
2247 | euid |= egid << 16; | |
2248 | #endif | |
4633a7c4 | 2249 | tainting |= (uid && (euid != uid || egid != gid)); |
748a9306 | 2250 | } |
79072805 | 2251 | |
76e3520e | 2252 | STATIC void |
8ac85365 | 2253 | forbid_setid(char *s) |
bbce6d69 | 2254 | { |
2255 | if (euid != uid) | |
2256 | croak("No %s allowed while running setuid", s); | |
2257 | if (egid != gid) | |
2258 | croak("No %s allowed while running setgid", s); | |
2259 | } | |
2260 | ||
76e3520e | 2261 | STATIC void |
8ac85365 | 2262 | init_debugger(void) |
748a9306 | 2263 | { |
11343788 | 2264 | dTHR; |
79072805 | 2265 | curstash = debstash; |
748a9306 | 2266 | dbargs = GvAV(gv_AVadd((gv_fetchpv("args", GV_ADDMULTI, SVt_PVAV)))); |
79072805 | 2267 | AvREAL_off(dbargs); |
a0d0e21e LW |
2268 | DBgv = gv_fetchpv("DB", GV_ADDMULTI, SVt_PVGV); |
2269 | DBline = gv_fetchpv("dbline", GV_ADDMULTI, SVt_PVAV); | |
748a9306 LW |
2270 | DBsub = gv_HVadd(gv_fetchpv("sub", GV_ADDMULTI, SVt_PVHV)); |
2271 | DBsingle = GvSV((gv_fetchpv("single", GV_ADDMULTI, SVt_PV))); | |
c07a80fd | 2272 | sv_setiv(DBsingle, 0); |
748a9306 | 2273 | DBtrace = GvSV((gv_fetchpv("trace", GV_ADDMULTI, SVt_PV))); |
c07a80fd | 2274 | sv_setiv(DBtrace, 0); |
748a9306 | 2275 | DBsignal = GvSV((gv_fetchpv("signal", GV_ADDMULTI, SVt_PV))); |
c07a80fd | 2276 | sv_setiv(DBsignal, 0); |
79072805 | 2277 | curstash = defstash; |
352d5a3a LW |
2278 | } |
2279 | ||
2ce36478 SM |
2280 | #ifndef STRESS_REALLOC |
2281 | #define REASONABLE(size) (size) | |
2282 | #else | |
2283 | #define REASONABLE(size) (1) /* unreasonable */ | |
2284 | #endif | |
2285 | ||
11343788 | 2286 | void |
8ac85365 | 2287 | init_stacks(ARGSproto) |
79072805 | 2288 | { |
e336de0d GS |
2289 | /* start with 128-item stack and 8K cxstack */ |
2290 | curstackinfo = new_stackinfo(REASONABLE(128), | |
2291 | REASONABLE(8192/sizeof(PERL_CONTEXT) - 1)); | |
2292 | curstackinfo->si_type = SI_MAIN; | |
2293 | curstack = curstackinfo->si_stack; | |
5f05dabc | 2294 | mainstack = curstack; /* remember in case we switch stacks */ |
79072805 | 2295 | |
6e72f9df | 2296 | stack_base = AvARRAY(curstack); |
79072805 | 2297 | stack_sp = stack_base; |
e336de0d | 2298 | stack_max = stack_base + AvMAX(curstack); |
8990e307 | 2299 | |
2ce36478 | 2300 | New(50,tmps_stack,REASONABLE(128),SV*); |
6d4ff0d2 | 2301 | tmps_floor = -1; |
8990e307 | 2302 | tmps_ix = -1; |
2ce36478 | 2303 | tmps_max = REASONABLE(128); |
8990e307 | 2304 | |
5f05dabc | 2305 | /* |
2306 | * The following stacks almost certainly should be per-interpreter, | |
2307 | * but for now they're not. XXX | |
2308 | */ | |
2309 | ||
6e72f9df | 2310 | if (markstack) { |
2311 | markstack_ptr = markstack; | |
2312 | } else { | |
2ce36478 | 2313 | New(54,markstack,REASONABLE(32),I32); |
6e72f9df | 2314 | markstack_ptr = markstack; |
2ce36478 | 2315 | markstack_max = markstack + REASONABLE(32); |
6e72f9df | 2316 | } |
79072805 | 2317 | |
e336de0d GS |
2318 | SET_MARKBASE; |
2319 | ||
6e72f9df | 2320 | if (scopestack) { |
2321 | scopestack_ix = 0; | |
2322 | } else { | |
2ce36478 | 2323 | New(54,scopestack,REASONABLE(32),I32); |
6e72f9df | 2324 | scopestack_ix = 0; |
2ce36478 | 2325 | scopestack_max = REASONABLE(32); |
6e72f9df | 2326 | } |
79072805 | 2327 | |
6e72f9df | 2328 | if (savestack) { |
2329 | savestack_ix = 0; | |
2330 | } else { | |
2ce36478 | 2331 | New(54,savestack,REASONABLE(128),ANY); |
6e72f9df | 2332 | savestack_ix = 0; |
2ce36478 | 2333 | savestack_max = REASONABLE(128); |
6e72f9df | 2334 | } |
79072805 | 2335 | |
6e72f9df | 2336 | if (retstack) { |
2337 | retstack_ix = 0; | |
2338 | } else { | |
2ce36478 | 2339 | New(54,retstack,REASONABLE(16),OP*); |
6e72f9df | 2340 | retstack_ix = 0; |
2ce36478 | 2341 | retstack_max = REASONABLE(16); |
5f05dabc | 2342 | } |
378cc40b | 2343 | } |
33b78306 | 2344 | |
2ce36478 SM |
2345 | #undef REASONABLE |
2346 | ||
76e3520e | 2347 | STATIC void |
8ac85365 | 2348 | nuke_stacks(void) |
6e72f9df | 2349 | { |
e858de61 | 2350 | dTHR; |
e336de0d GS |
2351 | while (curstackinfo->si_next) |
2352 | curstackinfo = curstackinfo->si_next; | |
2353 | while (curstackinfo) { | |
2354 | PERL_SI *p = curstackinfo->si_prev; | |
bac4b2ad | 2355 | /* curstackinfo->si_stack got nuked by sv_free_arenas() */ |
e336de0d GS |
2356 | Safefree(curstackinfo->si_cxstack); |
2357 | Safefree(curstackinfo); | |
2358 | curstackinfo = p; | |
2359 | } | |
6e72f9df | 2360 | Safefree(tmps_stack); |
5f05dabc | 2361 | DEBUG( { |
2362 | Safefree(debname); | |
2363 | Safefree(debdelim); | |
2364 | } ) | |
378cc40b | 2365 | } |
33b78306 | 2366 | |
76e3520e | 2367 | #ifndef PERL_OBJECT |
760ac839 | 2368 | static PerlIO *tmpfp; /* moved outside init_lexer() because of UNICOS bug */ |
76e3520e | 2369 | #endif |
7aa04957 | 2370 | |
76e3520e | 2371 | STATIC void |
8ac85365 | 2372 | init_lexer(void) |
8990e307 | 2373 | { |
76e3520e GS |
2374 | #ifdef PERL_OBJECT |
2375 | PerlIO *tmpfp; | |
2376 | #endif | |
a0d0e21e | 2377 | tmpfp = rsfp; |
90248788 | 2378 | rsfp = Nullfp; |
8990e307 LW |
2379 | lex_start(linestr); |
2380 | rsfp = tmpfp; | |
2381 | subname = newSVpv("main",4); | |
2382 | } | |
2383 | ||
76e3520e | 2384 | STATIC void |
8ac85365 | 2385 | init_predump_symbols(void) |
45d8adaa | 2386 | { |
11343788 | 2387 | dTHR; |
93a17b20 | 2388 | GV *tmpgv; |
a0d0e21e | 2389 | GV *othergv; |
79072805 | 2390 | |
e1c148c2 | 2391 | sv_setpvn(perl_get_sv("\"", TRUE), " ", 1); |
85e6fe83 | 2392 | stdingv = gv_fetchpv("STDIN",TRUE, SVt_PVIO); |
a5f75d66 | 2393 | GvMULTI_on(stdingv); |
760ac839 | 2394 | IoIFP(GvIOp(stdingv)) = PerlIO_stdin(); |
adbc6bb1 | 2395 | tmpgv = gv_fetchpv("stdin",TRUE, SVt_PV); |
a5f75d66 | 2396 | GvMULTI_on(tmpgv); |
a0d0e21e | 2397 | GvIOp(tmpgv) = (IO*)SvREFCNT_inc(GvIOp(stdingv)); |
79072805 | 2398 | |
85e6fe83 | 2399 | tmpgv = gv_fetchpv("STDOUT",TRUE, SVt_PVIO); |
a5f75d66 | 2400 | GvMULTI_on(tmpgv); |
760ac839 | 2401 | IoOFP(GvIOp(tmpgv)) = IoIFP(GvIOp(tmpgv)) = PerlIO_stdout(); |
4633a7c4 | 2402 | setdefout(tmpgv); |
adbc6bb1 | 2403 | tmpgv = gv_fetchpv("stdout",TRUE, SVt_PV); |
a5f75d66 | 2404 | GvMULTI_on(tmpgv); |
a0d0e21e | 2405 | GvIOp(tmpgv) = (IO*)SvREFCNT_inc(GvIOp(defoutgv)); |
79072805 | 2406 | |
a0d0e21e | 2407 | othergv = gv_fetchpv("STDERR",TRUE, SVt_PVIO); |
a5f75d66 | 2408 | GvMULTI_on(othergv); |
760ac839 | 2409 | IoOFP(GvIOp(othergv)) = IoIFP(GvIOp(othergv)) = PerlIO_stderr(); |
adbc6bb1 | 2410 | tmpgv = gv_fetchpv("stderr",TRUE, SVt_PV); |
a5f75d66 | 2411 | GvMULTI_on(tmpgv); |
a0d0e21e | 2412 | GvIOp(tmpgv) = (IO*)SvREFCNT_inc(GvIOp(othergv)); |
79072805 LW |
2413 | |
2414 | statname = NEWSV(66,0); /* last filename we did stat on */ | |
ab821d7f | 2415 | |
6e72f9df | 2416 | if (!osname) |
2417 | osname = savepv(OSNAME); | |
79072805 | 2418 | } |
33b78306 | 2419 | |
76e3520e | 2420 | STATIC void |
8ac85365 | 2421 | init_postdump_symbols(register int argc, register char **argv, register char **env) |
33b78306 | 2422 | { |
a863c7d1 | 2423 | dTHR; |
79072805 LW |
2424 | char *s; |
2425 | SV *sv; | |
2426 | GV* tmpgv; | |
fe14fcc3 | 2427 | |
79072805 LW |
2428 | argc--,argv++; /* skip name of script */ |
2429 | if (doswitches) { | |
2430 | for (; argc > 0 && **argv == '-'; argc--,argv++) { | |
2431 | if (!argv[0][1]) | |
2432 | break; | |
2433 | if (argv[0][1] == '-') { | |
2434 | argc--,argv++; | |
2435 | break; | |
2436 | } | |
93a17b20 | 2437 | if (s = strchr(argv[0], '=')) { |
79072805 | 2438 | *s++ = '\0'; |
85e6fe83 | 2439 | sv_setpv(GvSV(gv_fetchpv(argv[0]+1,TRUE, SVt_PV)),s); |
79072805 LW |
2440 | } |
2441 | else | |
85e6fe83 | 2442 | sv_setiv(GvSV(gv_fetchpv(argv[0]+1,TRUE, SVt_PV)),1); |
fe14fcc3 | 2443 | } |
79072805 LW |
2444 | } |
2445 | toptarget = NEWSV(0,0); | |
2446 | sv_upgrade(toptarget, SVt_PVFM); | |
2447 | sv_setpvn(toptarget, "", 0); | |
748a9306 | 2448 | bodytarget = NEWSV(0,0); |
79072805 LW |
2449 | sv_upgrade(bodytarget, SVt_PVFM); |
2450 | sv_setpvn(bodytarget, "", 0); | |
2451 | formtarget = bodytarget; | |
2452 | ||
bbce6d69 | 2453 | TAINT; |
85e6fe83 | 2454 | if (tmpgv = gv_fetchpv("0",TRUE, SVt_PV)) { |
79072805 LW |
2455 | sv_setpv(GvSV(tmpgv),origfilename); |
2456 | magicname("0", "0", 1); | |
2457 | } | |
85e6fe83 | 2458 | if (tmpgv = gv_fetchpv("\030",TRUE, SVt_PV)) |
79072805 | 2459 | sv_setpv(GvSV(tmpgv),origargv[0]); |
85e6fe83 | 2460 | if (argvgv = gv_fetchpv("ARGV",TRUE, SVt_PVAV)) { |
a5f75d66 | 2461 | GvMULTI_on(argvgv); |
79072805 LW |
2462 | (void)gv_AVadd(argvgv); |
2463 | av_clear(GvAVn(argvgv)); | |
2464 | for (; argc > 0; argc--,argv++) { | |
a0d0e21e | 2465 | av_push(GvAVn(argvgv),newSVpv(argv[0],0)); |
79072805 LW |
2466 | } |
2467 | } | |
85e6fe83 | 2468 | if (envgv = gv_fetchpv("ENV",TRUE, SVt_PVHV)) { |
79072805 | 2469 | HV *hv; |
a5f75d66 | 2470 | GvMULTI_on(envgv); |
79072805 | 2471 | hv = GvHVn(envgv); |
5aabfad6 | 2472 | hv_magic(hv, envgv, 'E'); |
a0d0e21e | 2473 | #ifndef VMS /* VMS doesn't have environ array */ |
4633a7c4 LW |
2474 | /* Note that if the supplied env parameter is actually a copy |
2475 | of the global environ then it may now point to free'd memory | |
2476 | if the environment has been modified since. To avoid this | |
2477 | problem we treat env==NULL as meaning 'use the default' | |
2478 | */ | |
2479 | if (!env) | |
2480 | env = environ; | |
5aabfad6 | 2481 | if (env != environ) |
79072805 LW |
2482 | environ[0] = Nullch; |
2483 | for (; *env; env++) { | |
93a17b20 | 2484 | if (!(s = strchr(*env,'='))) |
79072805 LW |
2485 | continue; |
2486 | *s++ = '\0'; | |
39e571d4 | 2487 | #if defined(WIN32) || defined(MSDOS) |
137443ea | 2488 | (void)strupr(*env); |
2489 | #endif | |
79072805 LW |
2490 | sv = newSVpv(s--,0); |
2491 | (void)hv_store(hv, *env, s - *env, sv, 0); | |
2492 | *s = '='; | |
3e3baf6d TB |
2493 | #if defined(__BORLANDC__) && defined(USE_WIN32_RTL_ENV) |
2494 | /* Sins of the RTL. See note in my_setenv(). */ | |
76e3520e | 2495 | (void)PerlEnv_putenv(savepv(*env)); |
3e3baf6d | 2496 | #endif |
fe14fcc3 | 2497 | } |
4550b24a | 2498 | #endif |
2499 | #ifdef DYNAMIC_ENV_FETCH | |
2500 | HvNAME(hv) = savepv(ENV_HV_NAME); | |
2501 | #endif | |
79072805 | 2502 | } |
bbce6d69 | 2503 | TAINT_NOT; |
85e6fe83 | 2504 | if (tmpgv = gv_fetchpv("$",TRUE, SVt_PV)) |
1e422769 | 2505 | sv_setiv(GvSV(tmpgv), (IV)getpid()); |
33b78306 | 2506 | } |
34de22dd | 2507 | |
76e3520e | 2508 | STATIC void |
8ac85365 | 2509 | init_perllib(void) |
34de22dd | 2510 | { |
85e6fe83 LW |
2511 | char *s; |
2512 | if (!tainting) { | |
552a7a9b | 2513 | #ifndef VMS |
76e3520e | 2514 | s = PerlEnv_getenv("PERL5LIB"); |
85e6fe83 | 2515 | if (s) |
774d564b | 2516 | incpush(s, TRUE); |
85e6fe83 | 2517 | else |
76e3520e | 2518 | incpush(PerlEnv_getenv("PERLLIB"), FALSE); |
552a7a9b | 2519 | #else /* VMS */ |
2520 | /* Treat PERL5?LIB as a possible search list logical name -- the | |
2521 | * "natural" VMS idiom for a Unix path string. We allow each | |
2522 | * element to be a set of |-separated directories for compatibility. | |
2523 | */ | |
2524 | char buf[256]; | |
2525 | int idx = 0; | |
2526 | if (my_trnlnm("PERL5LIB",buf,0)) | |
774d564b | 2527 | do { incpush(buf,TRUE); } while (my_trnlnm("PERL5LIB",buf,++idx)); |
552a7a9b | 2528 | else |
774d564b | 2529 | while (my_trnlnm("PERLLIB",buf,idx++)) incpush(buf,FALSE); |
552a7a9b | 2530 | #endif /* VMS */ |
85e6fe83 | 2531 | } |
34de22dd | 2532 | |
c90c0ff4 | 2533 | /* Use the ~-expanded versions of APPLLIB (undocumented), |
dfe9444c | 2534 | ARCHLIB PRIVLIB SITEARCH and SITELIB |
df5cef82 | 2535 | */ |
4633a7c4 | 2536 | #ifdef APPLLIB_EXP |
43051805 | 2537 | incpush(APPLLIB_EXP, TRUE); |
16d20bd9 | 2538 | #endif |
4633a7c4 | 2539 | |
fed7345c | 2540 | #ifdef ARCHLIB_EXP |
774d564b | 2541 | incpush(ARCHLIB_EXP, FALSE); |
a0d0e21e | 2542 | #endif |
fed7345c AD |
2543 | #ifndef PRIVLIB_EXP |
2544 | #define PRIVLIB_EXP "/usr/local/lib/perl5:/usr/local/lib/perl" | |
34de22dd | 2545 | #endif |
00dc2f4f GS |
2546 | #if defined(WIN32) |
2547 | incpush(PRIVLIB_EXP, TRUE); | |
2548 | #else | |
774d564b | 2549 | incpush(PRIVLIB_EXP, FALSE); |
00dc2f4f | 2550 | #endif |
4633a7c4 LW |
2551 | |
2552 | #ifdef SITEARCH_EXP | |
774d564b | 2553 | incpush(SITEARCH_EXP, FALSE); |
4633a7c4 LW |
2554 | #endif |
2555 | #ifdef SITELIB_EXP | |
00dc2f4f GS |
2556 | #if defined(WIN32) |
2557 | incpush(SITELIB_EXP, TRUE); | |
2558 | #else | |
774d564b | 2559 | incpush(SITELIB_EXP, FALSE); |
4633a7c4 | 2560 | #endif |
00dc2f4f | 2561 | #endif |
4633a7c4 | 2562 | if (!tainting) |
774d564b | 2563 | incpush(".", FALSE); |
2564 | } | |
2565 | ||
2566 | #if defined(DOSISH) | |
2567 | # define PERLLIB_SEP ';' | |
2568 | #else | |
2569 | # if defined(VMS) | |
2570 | # define PERLLIB_SEP '|' | |
2571 | # else | |
2572 | # define PERLLIB_SEP ':' | |
2573 | # endif | |
2574 | #endif | |
2575 | #ifndef PERLLIB_MANGLE | |
2576 | # define PERLLIB_MANGLE(s,n) (s) | |
2577 | #endif | |
2578 | ||
76e3520e | 2579 | STATIC void |
8ac85365 | 2580 | incpush(char *p, int addsubdirs) |
774d564b | 2581 | { |
2582 | SV *subdir = Nullsv; | |
774d564b | 2583 | |
2584 | if (!p) | |
2585 | return; | |
2586 | ||
2587 | if (addsubdirs) { | |
8c52afec | 2588 | subdir = NEWSV(55,0); |
774d564b | 2589 | if (!archpat_auto) { |
2590 | STRLEN len = (sizeof(ARCHNAME) + strlen(patchlevel) | |
2591 | + sizeof("//auto")); | |
2592 | New(55, archpat_auto, len, char); | |
2593 | sprintf(archpat_auto, "/%s/%s/auto", ARCHNAME, patchlevel); | |
aa689395 | 2594 | #ifdef VMS |
2595 | for (len = sizeof(ARCHNAME) + 2; | |
2596 | archpat_auto[len] != '\0' && archpat_auto[len] != '/'; len++) | |
2597 | if (archpat_auto[len] == '.') archpat_auto[len] = '_'; | |
2598 | #endif | |
774d564b | 2599 | } |
2600 | } | |
2601 | ||
2602 | /* Break at all separators */ | |
2603 | while (p && *p) { | |
8c52afec | 2604 | SV *libdir = NEWSV(55,0); |
774d564b | 2605 | char *s; |
2606 | ||
2607 | /* skip any consecutive separators */ | |
2608 | while ( *p == PERLLIB_SEP ) { | |
2609 | /* Uncomment the next line for PATH semantics */ | |
2610 | /* av_push(GvAVn(incgv), newSVpv(".", 1)); */ | |
2611 | p++; | |
2612 | } | |
2613 | ||
2614 | if ( (s = strchr(p, PERLLIB_SEP)) != Nullch ) { | |
2615 | sv_setpvn(libdir, PERLLIB_MANGLE(p, (STRLEN)(s - p)), | |
2616 | (STRLEN)(s - p)); | |
2617 | p = s + 1; | |
2618 | } | |
2619 | else { | |
2620 | sv_setpv(libdir, PERLLIB_MANGLE(p, 0)); | |
2621 | p = Nullch; /* break out */ | |
2622 | } | |
2623 | ||
2624 | /* | |
2625 | * BEFORE pushing libdir onto @INC we may first push version- and | |
2626 | * archname-specific sub-directories. | |
2627 | */ | |
2628 | if (addsubdirs) { | |
2629 | struct stat tmpstatbuf; | |
aa689395 | 2630 | #ifdef VMS |
2631 | char *unix; | |
2632 | STRLEN len; | |
774d564b | 2633 | |
aa689395 | 2634 | if ((unix = tounixspec_ts(SvPV(libdir,na),Nullch)) != Nullch) { |
2635 | len = strlen(unix); | |
2636 | while (unix[len-1] == '/') len--; /* Cosmetic */ | |
2637 | sv_usepvn(libdir,unix,len); | |
2638 | } | |
2639 | else | |
2640 | PerlIO_printf(PerlIO_stderr(), | |
2641 | "Failed to unixify @INC element \"%s\"\n", | |
2642 | SvPV(libdir,na)); | |
2643 | #endif | |
4fdae800 | 2644 | /* .../archname/version if -d .../archname/version/auto */ |
774d564b | 2645 | sv_setsv(subdir, libdir); |
2646 | sv_catpv(subdir, archpat_auto); | |
76e3520e | 2647 | if (PerlLIO_stat(SvPVX(subdir), &tmpstatbuf) >= 0 && |
774d564b | 2648 | S_ISDIR(tmpstatbuf.st_mode)) |
2649 | av_push(GvAVn(incgv), | |
2650 | newSVpv(SvPVX(subdir), SvCUR(subdir) - sizeof "auto")); | |
2651 | ||
4fdae800 | 2652 | /* .../archname if -d .../archname/auto */ |
774d564b | 2653 | sv_insert(subdir, SvCUR(libdir) + sizeof(ARCHNAME), |
2654 | strlen(patchlevel) + 1, "", 0); | |
76e3520e | 2655 | if (PerlLIO_stat(SvPVX(subdir), &tmpstatbuf) >= 0 && |
774d564b | 2656 | S_ISDIR(tmpstatbuf.st_mode)) |
2657 | av_push(GvAVn(incgv), | |
2658 | newSVpv(SvPVX(subdir), SvCUR(subdir) - sizeof "auto")); | |
2659 | } | |
2660 | ||
2661 | /* finally push this lib directory on the end of @INC */ | |
2662 | av_push(GvAVn(incgv), libdir); | |
2663 | } | |
2664 | ||
2665 | SvREFCNT_dec(subdir); | |
34de22dd | 2666 | } |
93a17b20 | 2667 | |
199100c8 | 2668 | #ifdef USE_THREADS |
76e3520e | 2669 | STATIC struct perl_thread * |
199100c8 MB |
2670 | init_main_thread() |
2671 | { | |
52e1cb5e | 2672 | struct perl_thread *thr; |
199100c8 MB |
2673 | XPV *xpv; |
2674 | ||
52e1cb5e | 2675 | Newz(53, thr, 1, struct perl_thread); |
199100c8 MB |
2676 | curcop = &compiling; |
2677 | thr->cvcache = newHV(); | |
54b9620d | 2678 | thr->threadsv = newAV(); |
940cb80d | 2679 | /* thr->threadsvp is set when find_threadsv is called */ |
199100c8 | 2680 | thr->specific = newAV(); |
38a03e6e | 2681 | thr->errhv = newHV(); |
199100c8 MB |
2682 | thr->flags = THRf_R_JOINABLE; |
2683 | MUTEX_INIT(&thr->mutex); | |
2684 | /* Handcraft thrsv similarly to mess_sv */ | |
2685 | New(53, thrsv, 1, SV); | |
2686 | Newz(53, xpv, 1, XPV); | |
2687 | SvFLAGS(thrsv) = SVt_PV; | |
2688 | SvANY(thrsv) = (void*)xpv; | |
2689 | SvREFCNT(thrsv) = 1 << 30; /* practically infinite */ | |
2690 | SvPVX(thrsv) = (char*)thr; | |
2691 | SvCUR_set(thrsv, sizeof(thr)); | |
2692 | SvLEN_set(thrsv, sizeof(thr)); | |
2693 | *SvEND(thrsv) = '\0'; /* in the trailing_nul field */ | |
2694 | thr->oursv = thrsv; | |
199100c8 MB |
2695 | chopset = " \n-"; |
2696 | ||
2697 | MUTEX_LOCK(&threads_mutex); | |
2698 | nthreads++; | |
2699 | thr->tid = 0; | |
2700 | thr->next = thr; | |
2701 | thr->prev = thr; | |
2702 | MUTEX_UNLOCK(&threads_mutex); | |
2703 | ||
4b026b9e GS |
2704 | #ifdef HAVE_THREAD_INTERN |
2705 | init_thread_intern(thr); | |
235db74f GS |
2706 | #endif |
2707 | ||
2708 | #ifdef SET_THREAD_SELF | |
2709 | SET_THREAD_SELF(thr); | |
199100c8 MB |
2710 | #else |
2711 | thr->self = pthread_self(); | |
235db74f | 2712 | #endif /* SET_THREAD_SELF */ |
199100c8 MB |
2713 | SET_THR(thr); |
2714 | ||
2715 | /* | |
2716 | * These must come after the SET_THR because sv_setpvn does | |
2717 | * SvTAINT and the taint fields require dTHR. | |
2718 | */ | |
2719 | toptarget = NEWSV(0,0); | |
2720 | sv_upgrade(toptarget, SVt_PVFM); | |
2721 | sv_setpvn(toptarget, "", 0); | |
2722 | bodytarget = NEWSV(0,0); | |
2723 | sv_upgrade(bodytarget, SVt_PVFM); | |
2724 | sv_setpvn(bodytarget, "", 0); | |
2725 | formtarget = bodytarget; | |
2faa37cc | 2726 | thr->errsv = newSVpv("", 0); |
78857c3c | 2727 | (void) find_threadsv("@"); /* Ensure $@ is initialised early */ |
199100c8 MB |
2728 | return thr; |
2729 | } | |
2730 | #endif /* USE_THREADS */ | |
2731 | ||
93a17b20 | 2732 | void |
76e3520e | 2733 | call_list(I32 oldscope, AV *paramList) |
93a17b20 | 2734 | { |
11343788 | 2735 | dTHR; |
a0d0e21e | 2736 | line_t oldline = curcop->cop_line; |
22921e25 CS |
2737 | STRLEN len; |
2738 | dJMPENV; | |
2739 | int ret; | |
93a17b20 | 2740 | |
76e3520e GS |
2741 | while (AvFILL(paramList) >= 0) { |
2742 | CV *cv = (CV*)av_shift(paramList); | |
93a17b20 | 2743 | |
8990e307 | 2744 | SAVEFREESV(cv); |
a0d0e21e | 2745 | |
22921e25 CS |
2746 | JMPENV_PUSH(ret); |
2747 | switch (ret) { | |
748a9306 | 2748 | case 0: { |
38a03e6e | 2749 | SV* atsv = ERRSV; |
748a9306 LW |
2750 | PUSHMARK(stack_sp); |
2751 | perl_call_sv((SV*)cv, G_EVAL|G_DISCARD); | |
12f917ad | 2752 | (void)SvPV(atsv, len); |
748a9306 | 2753 | if (len) { |
54310121 | 2754 | JMPENV_POP; |
748a9306 LW |
2755 | curcop = &compiling; |
2756 | curcop->cop_line = oldline; | |
76e3520e | 2757 | if (paramList == beginav) |
12f917ad | 2758 | sv_catpv(atsv, "BEGIN failed--compilation aborted"); |
748a9306 | 2759 | else |
12f917ad | 2760 | sv_catpv(atsv, "END failed--cleanup aborted"); |
2ae324a7 | 2761 | while (scopestack_ix > oldscope) |
2762 | LEAVE; | |
12f917ad | 2763 | croak("%s", SvPVX(atsv)); |
748a9306 | 2764 | } |
a0d0e21e | 2765 | } |
85e6fe83 LW |
2766 | break; |
2767 | case 1: | |
f86702cc | 2768 | STATUS_ALL_FAILURE; |
85e6fe83 LW |
2769 | /* FALL THROUGH */ |
2770 | case 2: | |
2771 | /* my_exit() was called */ | |
2ae324a7 | 2772 | while (scopestack_ix > oldscope) |
2773 | LEAVE; | |
84902520 | 2774 | FREETMPS; |
85e6fe83 LW |
2775 | curstash = defstash; |
2776 | if (endav) | |
68dc0745 | 2777 | call_list(oldscope, endav); |
54310121 | 2778 | JMPENV_POP; |
a0d0e21e LW |
2779 | curcop = &compiling; |
2780 | curcop->cop_line = oldline; | |
85e6fe83 | 2781 | if (statusvalue) { |
76e3520e | 2782 | if (paramList == beginav) |
a0d0e21e | 2783 | croak("BEGIN failed--compilation aborted"); |
85e6fe83 | 2784 | else |
a0d0e21e | 2785 | croak("END failed--cleanup aborted"); |
85e6fe83 | 2786 | } |
f86702cc | 2787 | my_exit_jump(); |
85e6fe83 | 2788 | /* NOTREACHED */ |
85e6fe83 LW |
2789 | case 3: |
2790 | if (!restartop) { | |
760ac839 | 2791 | PerlIO_printf(PerlIO_stderr(), "panic: restartop\n"); |
a0d0e21e | 2792 | FREETMPS; |
85e6fe83 LW |
2793 | break; |
2794 | } | |
54310121 | 2795 | JMPENV_POP; |
a0d0e21e LW |
2796 | curcop = &compiling; |
2797 | curcop->cop_line = oldline; | |
54310121 | 2798 | JMPENV_JUMP(3); |
8990e307 | 2799 | } |
54310121 | 2800 | JMPENV_POP; |
93a17b20 | 2801 | } |
93a17b20 | 2802 | } |
93a17b20 | 2803 | |
f86702cc | 2804 | void |
8ac85365 | 2805 | my_exit(U32 status) |
f86702cc | 2806 | { |
5dc0d613 MB |
2807 | dTHR; |
2808 | ||
2809 | #ifdef USE_THREADS | |
a863c7d1 MB |
2810 | DEBUG_L(PerlIO_printf(Perl_debug_log, "my_exit: thread %p, status %lu\n", |
2811 | thr, (unsigned long) status)); | |
5dc0d613 | 2812 | #endif /* USE_THREADS */ |
f86702cc | 2813 | switch (status) { |
2814 | case 0: | |
2815 | STATUS_ALL_SUCCESS; | |
2816 | break; | |
2817 | case 1: | |
2818 | STATUS_ALL_FAILURE; | |
2819 | break; | |
2820 | default: | |
2821 | STATUS_NATIVE_SET(status); | |
2822 | break; | |
2823 | } | |
2824 | my_exit_jump(); | |
2825 | } | |
2826 | ||
2827 | void | |
8ac85365 | 2828 | my_failure_exit(void) |
f86702cc | 2829 | { |
2830 | #ifdef VMS | |
2831 | if (vaxc$errno & 1) { | |
4fdae800 | 2832 | if (STATUS_NATIVE & 1) /* fortuitiously includes "-1" */ |
2833 | STATUS_NATIVE_SET(44); | |
f86702cc | 2834 | } |
2835 | else { | |
ff0cee69 | 2836 | if (!vaxc$errno && errno) /* unlikely */ |
4fdae800 | 2837 | STATUS_NATIVE_SET(44); |
f86702cc | 2838 | else |
4fdae800 | 2839 | STATUS_NATIVE_SET(vaxc$errno); |
f86702cc | 2840 | } |
2841 | #else | |
9b599b2a | 2842 | int exitstatus; |
f86702cc | 2843 | if (errno & 255) |
2844 | STATUS_POSIX_SET(errno); | |
9b599b2a GS |
2845 | else { |
2846 | exitstatus = STATUS_POSIX >> 8; | |
2847 | if (exitstatus & 255) | |
2848 | STATUS_POSIX_SET(exitstatus); | |
2849 | else | |
2850 | STATUS_POSIX_SET(255); | |
2851 | } | |
f86702cc | 2852 | #endif |
2853 | my_exit_jump(); | |
93a17b20 LW |
2854 | } |
2855 | ||
76e3520e | 2856 | STATIC void |
8ac85365 | 2857 | my_exit_jump(void) |
f86702cc | 2858 | { |
bac4b2ad | 2859 | dSP; |
c09156bb | 2860 | register PERL_CONTEXT *cx; |
f86702cc | 2861 | I32 gimme; |
2862 | SV **newsp; | |
2863 | ||
afe37c7d GS |
2864 | if (e_script) { |
2865 | SvREFCNT_dec(e_script); | |
2866 | e_script = Nullsv; | |
f86702cc | 2867 | } |
2868 | ||
bac4b2ad | 2869 | POPSTACK_TO(mainstack); |
f86702cc | 2870 | if (cxstack_ix >= 0) { |
2871 | if (cxstack_ix > 0) | |
2872 | dounwind(0); | |
2873 | POPBLOCK(cx,curpm); | |
2874 | LEAVE; | |
2875 | } | |
ff0cee69 | 2876 | |
54310121 | 2877 | JMPENV_JUMP(2); |
f86702cc | 2878 | } |