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; \ | |
8ebc5c01 | 54 | dbargs = 0; \ |
55 | dlmax = 128; \ | |
56 | laststatval = -1; \ | |
57 | laststype = OP_STAT; \ | |
58 | maxscream = -1; \ | |
59 | maxsysfd = MAXSYSFD; \ | |
60 | statname = Nullsv; \ | |
61 | tmps_floor = -1; \ | |
62 | tmps_ix = -1; \ | |
63 | op_mask = NULL; \ | |
64 | dlmax = 128; \ | |
65 | laststatval = -1; \ | |
66 | laststype = OP_STAT; \ | |
46fc3d4c | 67 | mess_sv = Nullsv; \ |
4c506072 GS |
68 | splitstr = " "; \ |
69 | generation = 100; \ | |
70 | exitlist = NULL; \ | |
71 | exitlistlen = 0; \ | |
72 | regindent = 0; \ | |
73 | in_clean_objs = FALSE; \ | |
74 | in_clean_all= FALSE; \ | |
8ebc5c01 | 75 | } STMT_END |
76 | ||
873ef191 GS |
77 | #ifdef PERL_OBJECT |
78 | static I32 read_e_script _((CPerlObj* pPerl, int idx, SV *buf_sv, int maxlen)); | |
79 | #else | |
a0d0e21e | 80 | static void find_beginning _((void)); |
bbce6d69 | 81 | static void forbid_setid _((char *)); |
774d564b | 82 | static void incpush _((char *, int)); |
748a9306 | 83 | static void init_ids _((void)); |
a0d0e21e LW |
84 | static void init_debugger _((void)); |
85 | static void init_lexer _((void)); | |
86 | static void init_main_stash _((void)); | |
199100c8 | 87 | #ifdef USE_THREADS |
52e1cb5e | 88 | static struct perl_thread * init_main_thread _((void)); |
199100c8 | 89 | #endif /* USE_THREADS */ |
a0d0e21e LW |
90 | static void init_perllib _((void)); |
91 | static void init_postdump_symbols _((int, char **, char **)); | |
92 | static void init_predump_symbols _((void)); | |
f86702cc | 93 | static void my_exit_jump _((void)) __attribute__((noreturn)); |
6e72f9df | 94 | static void nuke_stacks _((void)); |
01f988be | 95 | static void open_script _((char *, bool, SV *, int *fd)); |
ab821d7f | 96 | static void usage _((char *)); |
01f988be | 97 | static void validate_suid _((char *, char*, int)); |
afe37c7d | 98 | static I32 read_e_script _((int idx, SV *buf_sv, int maxlen)); |
76e3520e | 99 | #endif |
96436eeb | 100 | |
01f988be GS |
101 | #ifdef PERL_OBJECT |
102 | CPerlObj* perl_alloc(IPerlMem* ipM, IPerlEnv* ipE, IPerlStdIO* ipStd, | |
103 | IPerlLIO* ipLIO, IPerlDir* ipD, IPerlSock* ipS, IPerlProc* ipP) | |
104 | { | |
105 | CPerlObj* pPerl = new(ipM) CPerlObj(ipM, ipE, ipStd, ipLIO, ipD, ipS, ipP); | |
106 | if(pPerl != NULL) | |
107 | pPerl->Init(); | |
79072805 | 108 | |
01f988be GS |
109 | return pPerl; |
110 | } | |
111 | #else | |
93a17b20 | 112 | PerlInterpreter * |
8ac85365 | 113 | perl_alloc(void) |
79072805 | 114 | { |
93a17b20 | 115 | PerlInterpreter *sv_interp; |
79072805 | 116 | |
8990e307 | 117 | curinterp = 0; |
93a17b20 | 118 | New(53, sv_interp, 1, PerlInterpreter); |
79072805 LW |
119 | return sv_interp; |
120 | } | |
01f988be | 121 | #endif /* PERL_OBJECT */ |
79072805 LW |
122 | |
123 | void | |
76e3520e GS |
124 | #ifdef PERL_OBJECT |
125 | CPerlObj::perl_construct(void) | |
126 | #else | |
8ac85365 | 127 | perl_construct(register PerlInterpreter *sv_interp) |
76e3520e | 128 | #endif |
79072805 | 129 | { |
a863c7d1 MB |
130 | #ifdef USE_THREADS |
131 | int i; | |
132 | #ifndef FAKE_THREADS | |
52e1cb5e | 133 | struct perl_thread *thr; |
a863c7d1 MB |
134 | #endif /* FAKE_THREADS */ |
135 | #endif /* USE_THREADS */ | |
11343788 | 136 | |
76e3520e | 137 | #ifndef PERL_OBJECT |
79072805 LW |
138 | if (!(curinterp = sv_interp)) |
139 | return; | |
76e3520e | 140 | #endif |
79072805 | 141 | |
8990e307 | 142 | #ifdef MULTIPLICITY |
93a17b20 | 143 | Zero(sv_interp, 1, PerlInterpreter); |
8990e307 | 144 | #endif |
79072805 | 145 | |
33f46ff6 | 146 | /* Init the real globals (and main thread)? */ |
c116a00c | 147 | if (!linestr) { |
11343788 | 148 | #ifdef USE_THREADS |
8023c3ce | 149 | |
33f46ff6 | 150 | INIT_THREADS; |
d55594ae GS |
151 | #ifdef ALLOC_THREAD_KEY |
152 | ALLOC_THREAD_KEY; | |
153 | #else | |
a863c7d1 MB |
154 | if (pthread_key_create(&thr_key, 0)) |
155 | croak("panic: pthread_key_create"); | |
d55594ae | 156 | #endif |
c116a00c | 157 | MUTEX_INIT(&sv_mutex); |
a863c7d1 MB |
158 | /* |
159 | * Safe to use basic SV functions from now on (though | |
160 | * not things like mortals or tainting yet). | |
161 | */ | |
c116a00c MB |
162 | MUTEX_INIT(&eval_mutex); |
163 | COND_INIT(&eval_cond); | |
33f46ff6 | 164 | MUTEX_INIT(&threads_mutex); |
c116a00c | 165 | COND_INIT(&nthreads_cond); |
dce16143 MB |
166 | #ifdef EMULATE_ATOMIC_REFCOUNTS |
167 | MUTEX_INIT(&svref_mutex); | |
168 | #endif /* EMULATE_ATOMIC_REFCOUNTS */ | |
a863c7d1 | 169 | |
199100c8 | 170 | thr = init_main_thread(); |
11343788 MB |
171 | #endif /* USE_THREADS */ |
172 | ||
8d6dde3e | 173 | linestr = NEWSV(65,79); |
ed6116ce | 174 | sv_upgrade(linestr,SVt_PVIV); |
79072805 | 175 | |
6e72f9df | 176 | if (!SvREADONLY(&sv_undef)) { |
177 | SvREADONLY_on(&sv_undef); | |
79072805 | 178 | |
6e72f9df | 179 | sv_setpv(&sv_no,No); |
180 | SvNV(&sv_no); | |
181 | SvREADONLY_on(&sv_no); | |
79072805 | 182 | |
6e72f9df | 183 | sv_setpv(&sv_yes,Yes); |
184 | SvNV(&sv_yes); | |
185 | SvREADONLY_on(&sv_yes); | |
186 | } | |
79072805 | 187 | |
c07a80fd | 188 | nrs = newSVpv("\n", 1); |
189 | rs = SvREFCNT_inc(nrs); | |
190 | ||
76e3520e GS |
191 | #ifdef PERL_OBJECT |
192 | /* TODO: */ | |
193 | /* sighandlerp = sighandler; */ | |
194 | #else | |
c23142e2 | 195 | sighandlerp = sighandler; |
76e3520e | 196 | #endif |
44a8e56a | 197 | pidstatus = newHV(); |
198 | ||
79072805 LW |
199 | #ifdef MSDOS |
200 | /* | |
201 | * There is no way we can refer to them from Perl so close them to save | |
202 | * space. The other alternative would be to provide STDAUX and STDPRN | |
203 | * filehandles. | |
204 | */ | |
205 | (void)fclose(stdaux); | |
206 | (void)fclose(stdprn); | |
207 | #endif | |
208 | } | |
209 | ||
1a441de9 | 210 | init_stacks(ARGS); |
8990e307 | 211 | #ifdef MULTIPLICITY |
8ebc5c01 | 212 | I_REINIT; |
213 | perl_destruct_level = 1; | |
214 | #else | |
215 | if(perl_destruct_level > 0) | |
216 | I_REINIT; | |
79072805 LW |
217 | #endif |
218 | ||
748a9306 | 219 | init_ids(); |
fb73857a | 220 | lex_state = LEX_NOTPARSING; |
a5f75d66 | 221 | |
6224f72b GS |
222 | start_env.je_prev = NULL; |
223 | start_env.je_ret = -1; | |
224 | start_env.je_mustcatch = TRUE; | |
225 | top_env = &start_env; | |
f86702cc | 226 | STATUS_ALL_SUCCESS; |
227 | ||
36477c24 | 228 | SET_NUMERIC_STANDARD(); |
a5f75d66 | 229 | #if defined(SUBVERSION) && SUBVERSION > 0 |
e2666263 | 230 | sprintf(patchlevel, "%7.5f", (double) 5 |
231 | + ((double) PATCHLEVEL / (double) 1000) | |
232 | + ((double) SUBVERSION / (double) 100000)); | |
a5f75d66 | 233 | #else |
e2666263 | 234 | sprintf(patchlevel, "%5.3f", (double) 5 + |
235 | ((double) PATCHLEVEL / (double) 1000)); | |
a5f75d66 | 236 | #endif |
79072805 | 237 | |
ab821d7f | 238 | #if defined(LOCAL_PATCH_COUNT) |
6e72f9df | 239 | localpatches = local_patches; /* For possible -v */ |
ab821d7f | 240 | #endif |
241 | ||
4b556e6c | 242 | PerlIO_init(); /* Hook to IO system */ |
760ac839 | 243 | |
4b556e6c JD |
244 | fdpid = newAV(); /* for remembering popen pids by fd */ |
245 | modglobal = newHV(); /* pointers to per-interpreter module globals */ | |
8990e307 | 246 | |
11343788 MB |
247 | DEBUG( { |
248 | New(51,debname,128,char); | |
249 | New(52,debdelim,128,char); | |
250 | } ) | |
251 | ||
8990e307 | 252 | ENTER; |
79072805 LW |
253 | } |
254 | ||
255 | void | |
76e3520e GS |
256 | #ifdef PERL_OBJECT |
257 | CPerlObj::perl_destruct(void) | |
258 | #else | |
8ac85365 | 259 | perl_destruct(register PerlInterpreter *sv_interp) |
76e3520e | 260 | #endif |
79072805 | 261 | { |
11343788 | 262 | dTHR; |
748a9306 | 263 | int destruct_level; /* 0=none, 1=full, 2=full with checks */ |
8990e307 | 264 | I32 last_sv_count; |
a0d0e21e | 265 | HV *hv; |
1f2bfc8a | 266 | #ifdef USE_THREADS |
33f46ff6 | 267 | Thread t; |
1f2bfc8a | 268 | #endif /* USE_THREADS */ |
8990e307 | 269 | |
76e3520e | 270 | #ifndef PERL_OBJECT |
79072805 LW |
271 | if (!(curinterp = sv_interp)) |
272 | return; | |
76e3520e | 273 | #endif |
748a9306 | 274 | |
11343788 | 275 | #ifdef USE_THREADS |
0f15f207 | 276 | #ifndef FAKE_THREADS |
8023c3ce MB |
277 | /* Pass 1 on any remaining threads: detach joinables, join zombies */ |
278 | retry_cleanup: | |
33f46ff6 MB |
279 | MUTEX_LOCK(&threads_mutex); |
280 | DEBUG_L(PerlIO_printf(PerlIO_stderr(), | |
c7848ba1 | 281 | "perl_destruct: waiting for %d threads...\n", |
33f46ff6 MB |
282 | nthreads - 1)); |
283 | for (t = thr->next; t != thr; t = t->next) { | |
605e5515 MB |
284 | MUTEX_LOCK(&t->mutex); |
285 | switch (ThrSTATE(t)) { | |
286 | AV *av; | |
c7848ba1 MB |
287 | case THRf_ZOMBIE: |
288 | DEBUG_L(PerlIO_printf(PerlIO_stderr(), | |
289 | "perl_destruct: joining zombie %p\n", t)); | |
605e5515 MB |
290 | ThrSETSTATE(t, THRf_DEAD); |
291 | MUTEX_UNLOCK(&t->mutex); | |
292 | nthreads--; | |
8023c3ce MB |
293 | /* |
294 | * The SvREFCNT_dec below may take a long time (e.g. av | |
295 | * may contain an object scalar whose destructor gets | |
296 | * called) so we have to unlock threads_mutex and start | |
297 | * all over again. | |
298 | */ | |
605e5515 | 299 | MUTEX_UNLOCK(&threads_mutex); |
ea0efc06 | 300 | JOIN(t, &av); |
605e5515 | 301 | SvREFCNT_dec((SV*)av); |
c7848ba1 MB |
302 | DEBUG_L(PerlIO_printf(PerlIO_stderr(), |
303 | "perl_destruct: joined zombie %p OK\n", t)); | |
8023c3ce | 304 | goto retry_cleanup; |
c7848ba1 MB |
305 | case THRf_R_JOINABLE: |
306 | DEBUG_L(PerlIO_printf(PerlIO_stderr(), | |
307 | "perl_destruct: detaching thread %p\n", t)); | |
308 | ThrSETSTATE(t, THRf_R_DETACHED); | |
309 | /* | |
310 | * We unlock threads_mutex and t->mutex in the opposite order | |
311 | * from which we locked them just so that DETACH won't | |
312 | * deadlock if it panics. It's only a breach of good style | |
313 | * not a bug since they are unlocks not locks. | |
314 | */ | |
315 | MUTEX_UNLOCK(&threads_mutex); | |
316 | DETACH(t); | |
317 | MUTEX_UNLOCK(&t->mutex); | |
8023c3ce | 318 | goto retry_cleanup; |
c7848ba1 MB |
319 | default: |
320 | DEBUG_L(PerlIO_printf(PerlIO_stderr(), | |
321 | "perl_destruct: ignoring %p (state %u)\n", | |
322 | t, ThrSTATE(t))); | |
323 | MUTEX_UNLOCK(&t->mutex); | |
c7848ba1 | 324 | /* fall through and out */ |
33f46ff6 MB |
325 | } |
326 | } | |
8023c3ce MB |
327 | /* We leave the above "Pass 1" loop with threads_mutex still locked */ |
328 | ||
329 | /* Pass 2 on remaining threads: wait for the thread count to drop to one */ | |
11343788 MB |
330 | while (nthreads > 1) |
331 | { | |
33f46ff6 | 332 | DEBUG_L(PerlIO_printf(PerlIO_stderr(), |
c7848ba1 | 333 | "perl_destruct: final wait for %d threads\n", |
33f46ff6 MB |
334 | nthreads - 1)); |
335 | COND_WAIT(&nthreads_cond, &threads_mutex); | |
11343788 MB |
336 | } |
337 | /* At this point, we're the last thread */ | |
33f46ff6 | 338 | MUTEX_UNLOCK(&threads_mutex); |
d9f997d7 | 339 | DEBUG_L(PerlIO_printf(PerlIO_stderr(), "perl_destruct: armageddon has arrived\n")); |
33f46ff6 | 340 | MUTEX_DESTROY(&threads_mutex); |
11343788 | 341 | COND_DESTROY(&nthreads_cond); |
0f15f207 | 342 | #endif /* !defined(FAKE_THREADS) */ |
11343788 MB |
343 | #endif /* USE_THREADS */ |
344 | ||
748a9306 | 345 | destruct_level = perl_destruct_level; |
4633a7c4 LW |
346 | #ifdef DEBUGGING |
347 | { | |
348 | char *s; | |
76e3520e | 349 | if (s = PerlEnv_getenv("PERL_DESTRUCT_LEVEL")) { |
5f05dabc | 350 | int i = atoi(s); |
351 | if (destruct_level < i) | |
352 | destruct_level = i; | |
353 | } | |
4633a7c4 LW |
354 | } |
355 | #endif | |
356 | ||
8990e307 | 357 | LEAVE; |
a0d0e21e LW |
358 | FREETMPS; |
359 | ||
ff0cee69 | 360 | /* We must account for everything. */ |
361 | ||
362 | /* Destroy the main CV and syntax tree */ | |
6e72f9df | 363 | if (main_root) { |
364 | curpad = AvARRAY(comppad); | |
365 | op_free(main_root); | |
ff0cee69 | 366 | main_root = Nullop; |
a0d0e21e | 367 | } |
bac4b2ad | 368 | curcop = &compiling; |
ff0cee69 | 369 | main_start = Nullop; |
370 | SvREFCNT_dec(main_cv); | |
371 | main_cv = Nullcv; | |
372 | ||
a0d0e21e LW |
373 | if (sv_objcount) { |
374 | /* | |
375 | * Try to destruct global references. We do this first so that the | |
376 | * destructors and destructees still exist. Some sv's might remain. | |
377 | * Non-referenced objects are on their own. | |
378 | */ | |
379 | ||
380 | dirty = TRUE; | |
381 | sv_clean_objs(); | |
8990e307 LW |
382 | } |
383 | ||
5cd24f17 | 384 | /* unhook hooks which will soon be, or use, destroyed data */ |
385 | SvREFCNT_dec(warnhook); | |
386 | warnhook = Nullsv; | |
387 | SvREFCNT_dec(diehook); | |
388 | diehook = Nullsv; | |
389 | SvREFCNT_dec(parsehook); | |
390 | parsehook = Nullsv; | |
391 | ||
4b556e6c JD |
392 | /* call exit list functions */ |
393 | while (exitlistlen-- > 0) | |
1d583055 | 394 | exitlist[exitlistlen].fn(PERL_OBJECT_THIS_ exitlist[exitlistlen].ptr); |
4b556e6c JD |
395 | |
396 | Safefree(exitlist); | |
397 | ||
a0d0e21e | 398 | if (destruct_level == 0){ |
8990e307 | 399 | |
a0d0e21e LW |
400 | DEBUG_P(debprofdump()); |
401 | ||
402 | /* The exit() function will do everything that needs doing. */ | |
403 | return; | |
404 | } | |
5dd60ef7 | 405 | |
5f05dabc | 406 | /* loosen bonds of global variables */ |
407 | ||
8ebc5c01 | 408 | if(rsfp) { |
409 | (void)PerlIO_close(rsfp); | |
410 | rsfp = Nullfp; | |
411 | } | |
412 | ||
413 | /* Filters for program text */ | |
414 | SvREFCNT_dec(rsfp_filters); | |
415 | rsfp_filters = Nullav; | |
416 | ||
417 | /* switches */ | |
418 | preprocess = FALSE; | |
419 | minus_n = FALSE; | |
420 | minus_p = FALSE; | |
421 | minus_l = FALSE; | |
422 | minus_a = FALSE; | |
423 | minus_F = FALSE; | |
424 | doswitches = FALSE; | |
425 | dowarn = FALSE; | |
426 | doextract = FALSE; | |
427 | sawampersand = FALSE; /* must save all match strings */ | |
428 | sawstudy = FALSE; /* do fbm_instr on all strings */ | |
429 | sawvec = FALSE; | |
430 | unsafe = FALSE; | |
431 | ||
432 | Safefree(inplace); | |
433 | inplace = Nullch; | |
434 | ||
afe37c7d GS |
435 | if (e_script) { |
436 | SvREFCNT_dec(e_script); | |
437 | e_script = Nullsv; | |
8ebc5c01 | 438 | } |
439 | ||
440 | /* magical thingies */ | |
441 | ||
442 | Safefree(ofs); /* $, */ | |
443 | ofs = Nullch; | |
5f05dabc | 444 | |
8ebc5c01 | 445 | Safefree(ors); /* $\ */ |
446 | ors = Nullch; | |
447 | ||
448 | SvREFCNT_dec(nrs); /* $\ helper */ | |
5f05dabc | 449 | nrs = Nullsv; |
450 | ||
8ebc5c01 | 451 | multiline = 0; /* $* */ |
5f05dabc | 452 | |
8ebc5c01 | 453 | SvREFCNT_dec(statname); |
5f05dabc | 454 | statname = Nullsv; |
455 | statgv = Nullgv; | |
5f05dabc | 456 | |
8ebc5c01 | 457 | /* defgv, aka *_ should be taken care of elsewhere */ |
458 | ||
8ebc5c01 | 459 | /* clean up after study() */ |
460 | SvREFCNT_dec(lastscream); | |
461 | lastscream = Nullsv; | |
462 | Safefree(screamfirst); | |
463 | screamfirst = 0; | |
464 | Safefree(screamnext); | |
465 | screamnext = 0; | |
466 | ||
467 | /* startup and shutdown function lists */ | |
468 | SvREFCNT_dec(beginav); | |
469 | SvREFCNT_dec(endav); | |
77a005ab | 470 | SvREFCNT_dec(initav); |
5618dfe8 | 471 | beginav = Nullav; |
5618dfe8 | 472 | endav = Nullav; |
77a005ab | 473 | initav = Nullav; |
5618dfe8 | 474 | |
8ebc5c01 | 475 | /* shortcuts just get cleared */ |
476 | envgv = Nullgv; | |
477 | siggv = Nullgv; | |
478 | incgv = Nullgv; | |
12f917ad | 479 | errgv = Nullgv; |
8ebc5c01 | 480 | argvgv = Nullgv; |
481 | argvoutgv = Nullgv; | |
482 | stdingv = Nullgv; | |
483 | last_in_gv = Nullgv; | |
ce862d02 | 484 | replgv = Nullgv; |
8ebc5c01 | 485 | |
486 | /* reset so print() ends up where we expect */ | |
487 | setdefout(Nullgv); | |
488 | ||
a0d0e21e | 489 | /* Prepare to destruct main symbol table. */ |
5f05dabc | 490 | |
a0d0e21e | 491 | hv = defstash; |
85e6fe83 | 492 | defstash = 0; |
a0d0e21e LW |
493 | SvREFCNT_dec(hv); |
494 | ||
495 | FREETMPS; | |
496 | if (destruct_level >= 2) { | |
497 | if (scopestack_ix != 0) | |
ff0cee69 | 498 | warn("Unbalanced scopes: %ld more ENTERs than LEAVEs\n", |
499 | (long)scopestack_ix); | |
a0d0e21e | 500 | if (savestack_ix != 0) |
ff0cee69 | 501 | warn("Unbalanced saves: %ld more saves than restores\n", |
502 | (long)savestack_ix); | |
a0d0e21e | 503 | if (tmps_floor != -1) |
ff0cee69 | 504 | warn("Unbalanced tmps: %ld more allocs than frees\n", |
505 | (long)tmps_floor + 1); | |
a0d0e21e | 506 | if (cxstack_ix != -1) |
ff0cee69 | 507 | warn("Unbalanced context: %ld more PUSHes than POPs\n", |
508 | (long)cxstack_ix + 1); | |
a0d0e21e | 509 | } |
8990e307 LW |
510 | |
511 | /* Now absolutely destruct everything, somehow or other, loops or no. */ | |
8990e307 | 512 | last_sv_count = 0; |
6e72f9df | 513 | SvFLAGS(strtab) |= SVTYPEMASK; /* don't clean out strtab now */ |
8990e307 LW |
514 | while (sv_count != 0 && sv_count != last_sv_count) { |
515 | last_sv_count = sv_count; | |
516 | sv_clean_all(); | |
517 | } | |
6e72f9df | 518 | SvFLAGS(strtab) &= ~SVTYPEMASK; |
519 | SvFLAGS(strtab) |= SVt_PVHV; | |
520 | ||
521 | /* Destruct the global string table. */ | |
522 | { | |
523 | /* Yell and reset the HeVAL() slots that are still holding refcounts, | |
524 | * so that sv_free() won't fail on them. | |
525 | */ | |
526 | I32 riter; | |
527 | I32 max; | |
528 | HE *hent; | |
529 | HE **array; | |
530 | ||
531 | riter = 0; | |
532 | max = HvMAX(strtab); | |
533 | array = HvARRAY(strtab); | |
534 | hent = array[0]; | |
535 | for (;;) { | |
536 | if (hent) { | |
537 | warn("Unbalanced string table refcount: (%d) for \"%s\"", | |
538 | HeVAL(hent) - Nullsv, HeKEY(hent)); | |
539 | HeVAL(hent) = Nullsv; | |
540 | hent = HeNEXT(hent); | |
541 | } | |
542 | if (!hent) { | |
543 | if (++riter > max) | |
544 | break; | |
545 | hent = array[riter]; | |
546 | } | |
547 | } | |
548 | } | |
549 | SvREFCNT_dec(strtab); | |
550 | ||
8990e307 | 551 | if (sv_count != 0) |
ff0cee69 | 552 | warn("Scalars leaked: %ld\n", (long)sv_count); |
6e72f9df | 553 | |
4633a7c4 | 554 | sv_free_arenas(); |
44a8e56a | 555 | |
556 | /* No SVs have survived, need to clean out */ | |
557 | linestr = NULL; | |
558 | pidstatus = Nullhv; | |
00db4c45 GS |
559 | Safefree(origfilename); |
560 | Safefree(archpat_auto); | |
561 | Safefree(reg_start_tmp); | |
562 | Safefree(HeKEY_hek(&hv_fetch_ent_mh)); | |
563 | Safefree(op_mask); | |
6e72f9df | 564 | nuke_stacks(); |
fc36a67e | 565 | hints = 0; /* Reset hints. Should hints be per-interpreter ? */ |
a0d0e21e LW |
566 | |
567 | DEBUG_P(debprofdump()); | |
11343788 MB |
568 | #ifdef USE_THREADS |
569 | MUTEX_DESTROY(&sv_mutex); | |
11343788 | 570 | MUTEX_DESTROY(&eval_mutex); |
c116a00c | 571 | COND_DESTROY(&eval_cond); |
fc36a67e | 572 | |
8023c3ce MB |
573 | /* As the penultimate thing, free the non-arena SV for thrsv */ |
574 | Safefree(SvPVX(thrsv)); | |
575 | Safefree(SvANY(thrsv)); | |
576 | Safefree(thrsv); | |
577 | thrsv = Nullsv; | |
578 | #endif /* USE_THREADS */ | |
579 | ||
fc36a67e | 580 | /* As the absolutely last thing, free the non-arena SV for mess() */ |
581 | ||
582 | if (mess_sv) { | |
583 | /* we know that type >= SVt_PV */ | |
584 | SvOOK_off(mess_sv); | |
585 | Safefree(SvPVX(mess_sv)); | |
586 | Safefree(SvANY(mess_sv)); | |
587 | Safefree(mess_sv); | |
588 | mess_sv = Nullsv; | |
589 | } | |
79072805 LW |
590 | } |
591 | ||
592 | void | |
76e3520e GS |
593 | #ifdef PERL_OBJECT |
594 | CPerlObj::perl_free(void) | |
595 | #else | |
8ac85365 | 596 | perl_free(PerlInterpreter *sv_interp) |
76e3520e | 597 | #endif |
79072805 | 598 | { |
76e3520e | 599 | #ifdef PERL_OBJECT |
565764a8 | 600 | Safefree(this); |
76e3520e | 601 | #else |
79072805 LW |
602 | if (!(curinterp = sv_interp)) |
603 | return; | |
604 | Safefree(sv_interp); | |
76e3520e | 605 | #endif |
79072805 LW |
606 | } |
607 | ||
4b556e6c | 608 | void |
873ef191 GS |
609 | #ifdef PERL_OBJECT |
610 | CPerlObj::perl_atexit(void (*fn) (CPerlObj*,void *), void *ptr) | |
611 | #else | |
4b556e6c | 612 | perl_atexit(void (*fn) (void *), void *ptr) |
873ef191 | 613 | #endif |
4b556e6c | 614 | { |
7614df0c | 615 | Renew(exitlist, exitlistlen+1, PerlExitListEntry); |
4b556e6c JD |
616 | exitlist[exitlistlen].fn = fn; |
617 | exitlist[exitlistlen].ptr = ptr; | |
618 | ++exitlistlen; | |
619 | } | |
620 | ||
79072805 | 621 | int |
76e3520e GS |
622 | #ifdef PERL_OBJECT |
623 | CPerlObj::perl_parse(void (*xsinit) (CPerlObj*), int argc, char **argv, char **env) | |
624 | #else | |
8ac85365 | 625 | perl_parse(PerlInterpreter *sv_interp, void (*xsinit) (void), int argc, char **argv, char **env) |
76e3520e | 626 | #endif |
8d063cd8 | 627 | { |
11343788 | 628 | dTHR; |
6224f72b GS |
629 | register SV *sv; |
630 | register char *s; | |
631 | char *scriptname = NULL; | |
632 | VOL bool dosearch = FALSE; | |
633 | char *validarg = ""; | |
634 | I32 oldscope; | |
635 | AV* comppadlist; | |
636 | dJMPENV; | |
637 | int ret; | |
638 | int fdscript = -1; | |
8d063cd8 | 639 | |
a687059c LW |
640 | #ifdef SETUID_SCRIPTS_ARE_SECURE_NOW |
641 | #ifdef IAMSUID | |
642 | #undef IAMSUID | |
463ee0b2 | 643 | croak("suidperl is no longer needed since the kernel can now execute\n\ |
a687059c LW |
644 | setuid perl scripts securely.\n"); |
645 | #endif | |
646 | #endif | |
647 | ||
76e3520e | 648 | #ifndef PERL_OBJECT |
79072805 LW |
649 | if (!(curinterp = sv_interp)) |
650 | return 255; | |
76e3520e | 651 | #endif |
79072805 | 652 | |
6e72f9df | 653 | #if defined(NeXT) && defined(__DYNAMIC__) |
654 | _dyld_lookup_and_bind | |
655 | ("__environ", (unsigned long *) &environ_pointer, NULL); | |
656 | #endif /* environ */ | |
657 | ||
ac58e20f LW |
658 | origargv = argv; |
659 | origargc = argc; | |
a0d0e21e | 660 | #ifndef VMS /* VMS doesn't have environ array */ |
fe14fcc3 | 661 | origenviron = environ; |
a0d0e21e LW |
662 | #endif |
663 | ||
664 | if (do_undump) { | |
665 | ||
666 | /* Come here if running an undumped a.out. */ | |
667 | ||
668 | origfilename = savepv(argv[0]); | |
669 | do_undump = FALSE; | |
670 | cxstack_ix = -1; /* start label stack again */ | |
748a9306 | 671 | init_ids(); |
a0d0e21e LW |
672 | init_postdump_symbols(argc,argv,env); |
673 | return 0; | |
674 | } | |
675 | ||
ff0cee69 | 676 | if (main_root) { |
677 | curpad = AvARRAY(comppad); | |
a0d0e21e | 678 | op_free(main_root); |
ff0cee69 | 679 | main_root = Nullop; |
680 | } | |
681 | main_start = Nullop; | |
682 | SvREFCNT_dec(main_cv); | |
683 | main_cv = Nullcv; | |
79072805 | 684 | |
f86702cc | 685 | time(&basetime); |
6224f72b | 686 | oldscope = scopestack_ix; |
f86702cc | 687 | |
6224f72b GS |
688 | JMPENV_PUSH(ret); |
689 | switch (ret) { | |
690 | case 1: | |
691 | STATUS_ALL_FAILURE; | |
692 | /* FALL THROUGH */ | |
693 | case 2: | |
694 | /* my_exit() was called */ | |
695 | while (scopestack_ix > oldscope) | |
696 | LEAVE; | |
697 | FREETMPS; | |
698 | curstash = defstash; | |
699 | if (endav) | |
700 | call_list(oldscope, endav); | |
701 | JMPENV_POP; | |
702 | return STATUS_NATIVE_EXPORT; | |
703 | case 3: | |
704 | JMPENV_POP; | |
705 | PerlIO_printf(PerlIO_stderr(), "panic: top_env\n"); | |
706 | return 1; | |
707 | } | |
79072805 | 708 | |
6224f72b GS |
709 | sv_setpvn(linestr,"",0); |
710 | sv = newSVpv("",0); /* first used for -I flags */ | |
711 | SAVEFREESV(sv); | |
712 | init_main_stash(); | |
54310121 | 713 | |
6224f72b GS |
714 | for (argc--,argv++; argc > 0; argc--,argv++) { |
715 | if (argv[0][0] != '-' || !argv[0][1]) | |
716 | break; | |
717 | #ifdef DOSUID | |
718 | if (*validarg) | |
719 | validarg = " PHOOEY "; | |
720 | else | |
721 | validarg = argv[0]; | |
13281fa4 | 722 | #endif |
6224f72b GS |
723 | s = argv[0]+1; |
724 | reswitch: | |
725 | switch (*s) { | |
726 | case ' ': | |
727 | case '0': | |
728 | case 'F': | |
729 | case 'a': | |
730 | case 'c': | |
731 | case 'd': | |
732 | case 'D': | |
733 | case 'h': | |
734 | case 'i': | |
735 | case 'l': | |
736 | case 'M': | |
737 | case 'm': | |
738 | case 'n': | |
739 | case 'p': | |
740 | case 's': | |
741 | case 'u': | |
742 | case 'U': | |
743 | case 'v': | |
744 | case 'w': | |
745 | if (s = moreswitches(s)) | |
746 | goto reswitch; | |
747 | break; | |
33b78306 | 748 | |
6224f72b GS |
749 | case 'T': |
750 | tainting = TRUE; | |
751 | s++; | |
752 | goto reswitch; | |
f86702cc | 753 | |
6224f72b GS |
754 | case 'e': |
755 | if (euid != uid || egid != gid) | |
756 | croak("No -e allowed in setuid scripts"); | |
757 | if (!e_script) { | |
758 | e_script = newSVpv("",0); | |
759 | filter_add(read_e_script, NULL); | |
760 | } | |
761 | if (*++s) | |
762 | sv_catpv(e_script, s); | |
763 | else if (argv[1]) { | |
764 | sv_catpv(e_script, argv[1]); | |
765 | argc--,argv++; | |
766 | } | |
767 | else | |
768 | croak("No code specified for -e"); | |
769 | sv_catpv(e_script, "\n"); | |
770 | break; | |
afe37c7d | 771 | |
6224f72b GS |
772 | case 'I': /* -I handled both here and in moreswitches() */ |
773 | forbid_setid("-I"); | |
774 | if (!*++s && (s=argv[1]) != Nullch) { | |
775 | argc--,argv++; | |
776 | } | |
777 | while (s && isSPACE(*s)) | |
778 | ++s; | |
779 | if (s && *s) { | |
780 | char *e, *p; | |
781 | for (e = s; *e && !isSPACE(*e); e++) ; | |
782 | p = savepvn(s, e-s); | |
783 | incpush(p, TRUE); | |
784 | sv_catpv(sv,"-I"); | |
785 | sv_catpv(sv,p); | |
786 | sv_catpv(sv," "); | |
787 | Safefree(p); | |
788 | } /* XXX else croak? */ | |
789 | break; | |
790 | case 'P': | |
791 | forbid_setid("-P"); | |
792 | preprocess = TRUE; | |
793 | s++; | |
794 | goto reswitch; | |
795 | case 'S': | |
796 | forbid_setid("-S"); | |
797 | dosearch = TRUE; | |
798 | s++; | |
799 | goto reswitch; | |
800 | case 'V': | |
801 | if (!preambleav) | |
802 | preambleav = newAV(); | |
803 | av_push(preambleav, newSVpv("use Config qw(myconfig config_vars)",0)); | |
804 | if (*++s != ':') { | |
805 | Sv = newSVpv("print myconfig();",0); | |
806 | #ifdef VMS | |
807 | sv_catpv(Sv,"print \"\\nCharacteristics of this PERLSHR image: \\n\","); | |
808 | #else | |
809 | sv_catpv(Sv,"print \"\\nCharacteristics of this binary (from libperl): \\n\","); | |
810 | #endif | |
811 | #if defined(DEBUGGING) || defined(NO_EMBED) || defined(MULTIPLICITY) | |
812 | sv_catpv(Sv,"\" Compile-time options:"); | |
813 | # ifdef DEBUGGING | |
814 | sv_catpv(Sv," DEBUGGING"); | |
815 | # endif | |
816 | # ifdef NO_EMBED | |
817 | sv_catpv(Sv," NO_EMBED"); | |
818 | # endif | |
819 | # ifdef MULTIPLICITY | |
820 | sv_catpv(Sv," MULTIPLICITY"); | |
821 | # endif | |
822 | sv_catpv(Sv,"\\n\","); | |
823 | #endif | |
824 | #if defined(LOCAL_PATCH_COUNT) | |
825 | if (LOCAL_PATCH_COUNT > 0) { | |
826 | int i; | |
827 | sv_catpv(Sv,"\" Locally applied patches:\\n\","); | |
828 | for (i = 1; i <= LOCAL_PATCH_COUNT; i++) { | |
829 | if (localpatches[i]) | |
830 | sv_catpvf(Sv,"\" \\t%s\\n\",",localpatches[i]); | |
831 | } | |
832 | } | |
833 | #endif | |
834 | sv_catpvf(Sv,"\" Built under %s\\n\"",OSNAME); | |
835 | #ifdef __DATE__ | |
836 | # ifdef __TIME__ | |
837 | sv_catpvf(Sv,",\" Compiled at %s %s\\n\"",__DATE__,__TIME__); | |
838 | # else | |
839 | sv_catpvf(Sv,",\" Compiled on %s\\n\"",__DATE__); | |
840 | # endif | |
841 | #endif | |
842 | sv_catpv(Sv, "; \ | |
843 | $\"=\"\\n \"; \ | |
844 | @env = map { \"$_=\\\"$ENV{$_}\\\"\" } sort grep {/^PERL/} keys %ENV; \ | |
845 | print \" \\%ENV:\\n @env\\n\" if @env; \ | |
846 | print \" \\@INC:\\n @INC\\n\";"); | |
847 | } | |
848 | else { | |
849 | Sv = newSVpv("config_vars(qw(",0); | |
850 | sv_catpv(Sv, ++s); | |
851 | sv_catpv(Sv, "))"); | |
852 | s += strlen(s); | |
853 | } | |
854 | av_push(preambleav, Sv); | |
855 | scriptname = BIT_BUCKET; /* don't look for script or read stdin */ | |
856 | goto reswitch; | |
857 | case 'x': | |
858 | doextract = TRUE; | |
859 | s++; | |
860 | if (*s) | |
861 | cddir = savepv(s); | |
862 | break; | |
863 | case 0: | |
864 | break; | |
865 | case '-': | |
866 | if (!*++s || isSPACE(*s)) { | |
867 | argc--,argv++; | |
868 | goto switch_end; | |
869 | } | |
870 | /* catch use of gnu style long options */ | |
871 | if (strEQ(s, "version")) { | |
872 | s = "v"; | |
873 | goto reswitch; | |
874 | } | |
875 | if (strEQ(s, "help")) { | |
876 | s = "h"; | |
877 | goto reswitch; | |
878 | } | |
879 | s--; | |
880 | /* FALL THROUGH */ | |
881 | default: | |
882 | croak("Unrecognized switch: -%s (-h will show valid options)",s); | |
8d063cd8 LW |
883 | } |
884 | } | |
6224f72b | 885 | switch_end: |
54310121 | 886 | |
6224f72b GS |
887 | if (!tainting && (s = PerlEnv_getenv("PERL5OPT"))) { |
888 | while (s && *s) { | |
889 | while (isSPACE(*s)) | |
890 | s++; | |
891 | if (*s == '-') { | |
892 | s++; | |
893 | if (isSPACE(*s)) | |
894 | continue; | |
895 | } | |
896 | if (!*s) | |
897 | break; | |
898 | if (!strchr("DIMUdmw", *s)) | |
899 | croak("Illegal switch in PERL5OPT: -%c", *s); | |
900 | s = moreswitches(s); | |
901 | } | |
902 | } | |
a0d0e21e | 903 | |
6224f72b GS |
904 | if (!scriptname) |
905 | scriptname = argv[0]; | |
906 | if (e_script) { | |
907 | argc++,argv--; | |
908 | scriptname = BIT_BUCKET; /* don't look for script or read stdin */ | |
909 | } | |
910 | else if (scriptname == Nullch) { | |
911 | #ifdef MSDOS | |
912 | if ( PerlLIO_isatty(PerlIO_fileno(PerlIO_stdin())) ) | |
913 | moreswitches("h"); | |
914 | #endif | |
915 | scriptname = "-"; | |
916 | } | |
917 | ||
918 | init_perllib(); | |
919 | ||
920 | open_script(scriptname,dosearch,sv,&fdscript); | |
921 | ||
922 | validate_suid(validarg, scriptname,fdscript); | |
923 | ||
924 | if (doextract) | |
925 | find_beginning(); | |
926 | ||
927 | main_cv = compcv = (CV*)NEWSV(1104,0); | |
928 | sv_upgrade((SV *)compcv, SVt_PVCV); | |
929 | CvUNIQUE_on(compcv); | |
930 | ||
931 | comppad = newAV(); | |
932 | av_push(comppad, Nullsv); | |
933 | curpad = AvARRAY(comppad); | |
934 | comppad_name = newAV(); | |
935 | comppad_name_fill = 0; | |
936 | min_intro_pending = 0; | |
937 | padix = 0; | |
938 | #ifdef USE_THREADS | |
939 | av_store(comppad_name, 0, newSVpv("@_", 2)); | |
940 | curpad[0] = (SV*)newAV(); | |
941 | SvPADMY_on(curpad[0]); /* XXX Needed? */ | |
942 | CvOWNER(compcv) = 0; | |
943 | New(666, CvMUTEXP(compcv), 1, perl_mutex); | |
944 | MUTEX_INIT(CvMUTEXP(compcv)); | |
945 | #endif /* USE_THREADS */ | |
946 | ||
947 | comppadlist = newAV(); | |
948 | AvREAL_off(comppadlist); | |
949 | av_store(comppadlist, 0, (SV*)comppad_name); | |
950 | av_store(comppadlist, 1, (SV*)comppad); | |
951 | CvPADLIST(compcv) = comppadlist; | |
952 | ||
953 | boot_core_UNIVERSAL(); | |
954 | ||
955 | if (xsinit) | |
956 | (*xsinit)(PERL_OBJECT_THIS); /* in case linked C routines want magical variables */ | |
957 | #if defined(VMS) || defined(WIN32) || defined(DJGPP) | |
958 | init_os_extras(); | |
959 | #endif | |
960 | ||
961 | init_predump_symbols(); | |
962 | /* init_postdump_symbols not currently designed to be called */ | |
963 | /* more than once (ENV isn't cleared first, for example) */ | |
964 | /* But running with -u leaves %ENV & @ARGV undefined! XXX */ | |
965 | if (!do_undump) | |
966 | init_postdump_symbols(argc,argv,env); | |
967 | ||
968 | init_lexer(); | |
969 | ||
970 | /* now parse the script */ | |
971 | ||
972 | SETERRNO(0,SS$_NORMAL); | |
973 | error_count = 0; | |
974 | if (yyparse() || error_count) { | |
975 | if (minus_c) | |
976 | croak("%s had compilation errors.\n", origfilename); | |
977 | else { | |
978 | croak("Execution of %s aborted due to compilation errors.\n", | |
979 | origfilename); | |
980 | } | |
981 | } | |
982 | curcop->cop_line = 0; | |
983 | curstash = defstash; | |
984 | preprocess = FALSE; | |
985 | if (e_script) { | |
986 | SvREFCNT_dec(e_script); | |
987 | e_script = Nullsv; | |
988 | } | |
989 | ||
990 | /* now that script is parsed, we can modify record separator */ | |
991 | SvREFCNT_dec(rs); | |
992 | rs = SvREFCNT_inc(nrs); | |
993 | sv_setsv(perl_get_sv("/", TRUE), rs); | |
994 | if (do_undump) | |
995 | my_unexec(); | |
996 | ||
997 | if (dowarn) | |
998 | gv_check(defstash); | |
999 | ||
1000 | LEAVE; | |
1001 | FREETMPS; | |
1002 | ||
1003 | #ifdef MYMALLOC | |
1004 | if ((s=PerlEnv_getenv("PERL_DEBUG_MSTATS")) && atoi(s) >= 2) | |
1005 | dump_mstats("after compilation:"); | |
1006 | #endif | |
1007 | ||
1008 | ENTER; | |
1009 | restartop = 0; | |
1010 | JMPENV_POP; | |
1011 | return 0; | |
1012 | } | |
1013 | ||
1014 | int | |
1015 | #ifdef PERL_OBJECT | |
1016 | CPerlObj::perl_run(void) | |
1017 | #else | |
1018 | perl_run(PerlInterpreter *sv_interp) | |
1019 | #endif | |
1020 | { | |
1021 | dSP; | |
1022 | I32 oldscope; | |
1023 | dJMPENV; | |
1024 | int ret; | |
1025 | ||
1026 | #ifndef PERL_OBJECT | |
1027 | if (!(curinterp = sv_interp)) | |
1028 | return 255; | |
1029 | #endif | |
1030 | ||
1031 | oldscope = scopestack_ix; | |
1032 | ||
1033 | JMPENV_PUSH(ret); | |
1034 | switch (ret) { | |
1035 | case 1: | |
1036 | cxstack_ix = -1; /* start context stack again */ | |
1037 | break; | |
1038 | case 2: | |
1039 | /* my_exit() was called */ | |
1040 | while (scopestack_ix > oldscope) | |
1041 | LEAVE; | |
1042 | FREETMPS; | |
1043 | curstash = defstash; | |
1044 | if (endav) | |
1045 | call_list(oldscope, endav); | |
1046 | #ifdef MYMALLOC | |
1047 | if (PerlEnv_getenv("PERL_DEBUG_MSTATS")) | |
1048 | dump_mstats("after execution: "); | |
1049 | #endif | |
1050 | JMPENV_POP; | |
1051 | return STATUS_NATIVE_EXPORT; | |
1052 | case 3: | |
1053 | if (!restartop) { | |
1054 | PerlIO_printf(PerlIO_stderr(), "panic: restartop\n"); | |
1055 | FREETMPS; | |
1056 | JMPENV_POP; | |
1057 | return 1; | |
1058 | } | |
1059 | POPSTACK_TO(mainstack); | |
1060 | break; | |
1061 | } | |
1062 | ||
1063 | DEBUG_r(PerlIO_printf(Perl_debug_log, "%s $` $& $' support.\n", | |
1064 | sawampersand ? "Enabling" : "Omitting")); | |
1065 | ||
1066 | if (!restartop) { | |
1067 | DEBUG_x(dump_all()); | |
1068 | DEBUG(PerlIO_printf(Perl_debug_log, "\nEXECUTING...\n\n")); | |
1069 | #ifdef USE_THREADS | |
1070 | DEBUG_L(PerlIO_printf(Perl_debug_log, "main thread is 0x%lx\n", | |
1071 | (unsigned long) thr)); | |
1072 | #endif /* USE_THREADS */ | |
1073 | ||
1074 | if (minus_c) { | |
1075 | PerlIO_printf(PerlIO_stderr(), "%s syntax OK\n", origfilename); | |
1076 | my_exit(0); | |
1077 | } | |
1078 | if (PERLDB_SINGLE && DBsingle) | |
1079 | sv_setiv(DBsingle, 1); | |
1080 | if (initav) | |
1081 | call_list(oldscope, initav); | |
1082 | } | |
1083 | ||
1084 | /* do it */ | |
1085 | ||
1086 | if (restartop) { | |
1087 | op = restartop; | |
1088 | restartop = 0; | |
1089 | CALLRUNOPS(); | |
1090 | } | |
1091 | else if (main_start) { | |
1092 | CvDEPTH(main_cv) = 1; | |
1093 | op = main_start; | |
1094 | CALLRUNOPS(); | |
1095 | } | |
1096 | ||
1097 | my_exit(0); | |
1098 | /* NOTREACHED */ | |
1099 | return 0; | |
1100 | } | |
1101 | ||
1102 | SV* | |
1103 | perl_get_sv(char *name, I32 create) | |
1104 | { | |
1105 | GV *gv; | |
1106 | #ifdef USE_THREADS | |
1107 | if (name[1] == '\0' && !isALPHA(name[0])) { | |
1108 | PADOFFSET tmp = find_threadsv(name); | |
1109 | if (tmp != NOT_IN_PAD) { | |
1110 | dTHR; | |
1111 | return THREADSV(tmp); | |
1112 | } | |
1113 | } | |
1114 | #endif /* USE_THREADS */ | |
1115 | gv = gv_fetchpv(name, create, SVt_PV); | |
1116 | if (gv) | |
1117 | return GvSV(gv); | |
1118 | return Nullsv; | |
1119 | } | |
1120 | ||
1121 | AV* | |
1122 | perl_get_av(char *name, I32 create) | |
1123 | { | |
1124 | GV* gv = gv_fetchpv(name, create, SVt_PVAV); | |
1125 | if (create) | |
1126 | return GvAVn(gv); | |
1127 | if (gv) | |
1128 | return GvAV(gv); | |
1129 | return Nullav; | |
1130 | } | |
1131 | ||
1132 | HV* | |
1133 | perl_get_hv(char *name, I32 create) | |
1134 | { | |
a0d0e21e LW |
1135 | GV* gv = gv_fetchpv(name, create, SVt_PVHV); |
1136 | if (create) | |
1137 | return GvHVn(gv); | |
1138 | if (gv) | |
1139 | return GvHV(gv); | |
1140 | return Nullhv; | |
1141 | } | |
1142 | ||
1143 | CV* | |
8ac85365 | 1144 | perl_get_cv(char *name, I32 create) |
a0d0e21e LW |
1145 | { |
1146 | GV* gv = gv_fetchpv(name, create, SVt_PVCV); | |
8ebc5c01 | 1147 | if (create && !GvCVu(gv)) |
774d564b | 1148 | return newSUB(start_subparse(FALSE, 0), |
a0d0e21e | 1149 | newSVOP(OP_CONST, 0, newSVpv(name,0)), |
4633a7c4 | 1150 | Nullop, |
a0d0e21e LW |
1151 | Nullop); |
1152 | if (gv) | |
8ebc5c01 | 1153 | return GvCVu(gv); |
a0d0e21e LW |
1154 | return Nullcv; |
1155 | } | |
1156 | ||
79072805 LW |
1157 | /* Be sure to refetch the stack pointer after calling these routines. */ |
1158 | ||
a0d0e21e | 1159 | I32 |
22239a37 | 1160 | perl_call_argv(char *sub_name, I32 flags, register char **argv) |
8ac85365 NIS |
1161 | |
1162 | /* See G_* flags in cop.h */ | |
1163 | /* null terminated arg list */ | |
8990e307 | 1164 | { |
a0d0e21e | 1165 | dSP; |
8990e307 | 1166 | |
924508f0 | 1167 | PUSHMARK(SP); |
a0d0e21e | 1168 | if (argv) { |
8990e307 | 1169 | while (*argv) { |
a0d0e21e | 1170 | XPUSHs(sv_2mortal(newSVpv(*argv,0))); |
8990e307 LW |
1171 | argv++; |
1172 | } | |
a0d0e21e | 1173 | PUTBACK; |
8990e307 | 1174 | } |
22239a37 | 1175 | return perl_call_pv(sub_name, flags); |
8990e307 LW |
1176 | } |
1177 | ||
a0d0e21e | 1178 | I32 |
22239a37 | 1179 | perl_call_pv(char *sub_name, I32 flags) |
8ac85365 NIS |
1180 | /* name of the subroutine */ |
1181 | /* See G_* flags in cop.h */ | |
a0d0e21e | 1182 | { |
22239a37 | 1183 | return perl_call_sv((SV*)perl_get_cv(sub_name, TRUE), flags); |
a0d0e21e LW |
1184 | } |
1185 | ||
1186 | I32 | |
8ac85365 NIS |
1187 | perl_call_method(char *methname, I32 flags) |
1188 | /* name of the subroutine */ | |
1189 | /* See G_* flags in cop.h */ | |
a0d0e21e LW |
1190 | { |
1191 | dSP; | |
1192 | OP myop; | |
1193 | if (!op) | |
1194 | op = &myop; | |
1195 | XPUSHs(sv_2mortal(newSVpv(methname,0))); | |
1196 | PUTBACK; | |
11343788 | 1197 | pp_method(ARGS); |
6ff81951 GS |
1198 | if(op == &myop) |
1199 | op = Nullop; | |
a0d0e21e LW |
1200 | return perl_call_sv(*stack_sp--, flags); |
1201 | } | |
1202 | ||
1203 | /* May be called with any of a CV, a GV, or an SV containing the name. */ | |
1204 | I32 | |
8ac85365 NIS |
1205 | perl_call_sv(SV *sv, I32 flags) |
1206 | ||
1207 | /* See G_* flags in cop.h */ | |
a0d0e21e | 1208 | { |
924508f0 | 1209 | dSP; |
a0d0e21e | 1210 | LOGOP myop; /* fake syntax tree node */ |
aa689395 | 1211 | I32 oldmark; |
a0d0e21e | 1212 | I32 retval; |
a0d0e21e | 1213 | I32 oldscope; |
54310121 | 1214 | bool oldcatch = CATCH_GET; |
1215 | dJMPENV; | |
6224f72b | 1216 | int ret; |
d6602a8c | 1217 | OP* oldop = op; |
1e422769 | 1218 | |
a0d0e21e LW |
1219 | if (flags & G_DISCARD) { |
1220 | ENTER; | |
1221 | SAVETMPS; | |
1222 | } | |
1223 | ||
aa689395 | 1224 | Zero(&myop, 1, LOGOP); |
54310121 | 1225 | myop.op_next = Nullop; |
f51d4af5 | 1226 | if (!(flags & G_NOARGS)) |
aa689395 | 1227 | myop.op_flags |= OPf_STACKED; |
54310121 | 1228 | myop.op_flags |= ((flags & G_VOID) ? OPf_WANT_VOID : |
1229 | (flags & G_ARRAY) ? OPf_WANT_LIST : | |
1230 | OPf_WANT_SCALAR); | |
462e5cf6 | 1231 | SAVEOP(); |
a0d0e21e | 1232 | op = (OP*)&myop; |
aa689395 | 1233 | |
a0d0e21e LW |
1234 | EXTEND(stack_sp, 1); |
1235 | *++stack_sp = sv; | |
aa689395 | 1236 | oldmark = TOPMARK; |
a0d0e21e LW |
1237 | oldscope = scopestack_ix; |
1238 | ||
84902520 | 1239 | if (PERLDB_SUB && curstash != debstash |
36477c24 | 1240 | /* Handle first BEGIN of -d. */ |
1241 | && (DBcv || (DBcv = GvCV(DBsub))) | |
1242 | /* Try harder, since this may have been a sighandler, thus | |
1243 | * curstash may be meaningless. */ | |
491527d0 GS |
1244 | && (SvTYPE(sv) != SVt_PVCV || CvSTASH((CV*)sv) != debstash) |
1245 | && !(flags & G_NODEBUG)) | |
6e72f9df | 1246 | op->op_private |= OPpENTERSUB_DB; |
a0d0e21e LW |
1247 | |
1248 | if (flags & G_EVAL) { | |
a0d0e21e LW |
1249 | cLOGOP->op_other = op; |
1250 | markstack_ptr--; | |
4633a7c4 LW |
1251 | /* we're trying to emulate pp_entertry() here */ |
1252 | { | |
c09156bb | 1253 | register PERL_CONTEXT *cx; |
54310121 | 1254 | I32 gimme = GIMME_V; |
4633a7c4 LW |
1255 | |
1256 | ENTER; | |
1257 | SAVETMPS; | |
1258 | ||
1259 | push_return(op->op_next); | |
1260 | PUSHBLOCK(cx, CXt_EVAL, stack_sp); | |
1261 | PUSHEVAL(cx, 0, 0); | |
1262 | eval_root = op; /* Only needed so that goto works right. */ | |
1263 | ||
1264 | in_eval = 1; | |
1265 | if (flags & G_KEEPERR) | |
1266 | in_eval |= 4; | |
1267 | else | |
38a03e6e | 1268 | sv_setpv(ERRSV,""); |
4633a7c4 | 1269 | } |
a0d0e21e LW |
1270 | markstack_ptr++; |
1271 | ||
6224f72b GS |
1272 | JMPENV_PUSH(ret); |
1273 | switch (ret) { | |
1274 | case 0: | |
a0d0e21e | 1275 | break; |
6224f72b | 1276 | case 1: |
f86702cc | 1277 | STATUS_ALL_FAILURE; |
a0d0e21e | 1278 | /* FALL THROUGH */ |
6224f72b | 1279 | case 2: |
a0d0e21e LW |
1280 | /* my_exit() was called */ |
1281 | curstash = defstash; | |
1282 | FREETMPS; | |
54310121 | 1283 | JMPENV_POP; |
a0d0e21e LW |
1284 | if (statusvalue) |
1285 | croak("Callback called exit"); | |
f86702cc | 1286 | my_exit_jump(); |
a0d0e21e | 1287 | /* NOTREACHED */ |
6224f72b | 1288 | case 3: |
a0d0e21e LW |
1289 | if (restartop) { |
1290 | op = restartop; | |
1291 | restartop = 0; | |
54310121 | 1292 | break; |
a0d0e21e LW |
1293 | } |
1294 | stack_sp = stack_base + oldmark; | |
1295 | if (flags & G_ARRAY) | |
1296 | retval = 0; | |
1297 | else { | |
1298 | retval = 1; | |
1299 | *++stack_sp = &sv_undef; | |
1300 | } | |
1301 | goto cleanup; | |
1302 | } | |
1303 | } | |
1e422769 | 1304 | else |
54310121 | 1305 | CATCH_SET(TRUE); |
a0d0e21e LW |
1306 | |
1307 | if (op == (OP*)&myop) | |
11343788 | 1308 | op = pp_entersub(ARGS); |
a0d0e21e | 1309 | if (op) |
76e3520e | 1310 | CALLRUNOPS(); |
a0d0e21e | 1311 | retval = stack_sp - (stack_base + oldmark); |
4633a7c4 | 1312 | if ((flags & G_EVAL) && !(flags & G_KEEPERR)) |
38a03e6e | 1313 | sv_setpv(ERRSV,""); |
a0d0e21e LW |
1314 | |
1315 | cleanup: | |
1316 | if (flags & G_EVAL) { | |
1317 | if (scopestack_ix > oldscope) { | |
a0a2876f LW |
1318 | SV **newsp; |
1319 | PMOP *newpm; | |
1320 | I32 gimme; | |
c09156bb | 1321 | register PERL_CONTEXT *cx; |
a0a2876f LW |
1322 | I32 optype; |
1323 | ||
1324 | POPBLOCK(cx,newpm); | |
1325 | POPEVAL(cx); | |
1326 | pop_return(); | |
1327 | curpm = newpm; | |
1328 | LEAVE; | |
a0d0e21e | 1329 | } |
54310121 | 1330 | JMPENV_POP; |
a0d0e21e | 1331 | } |
1e422769 | 1332 | else |
54310121 | 1333 | CATCH_SET(oldcatch); |
1e422769 | 1334 | |
a0d0e21e LW |
1335 | if (flags & G_DISCARD) { |
1336 | stack_sp = stack_base + oldmark; | |
1337 | retval = 0; | |
1338 | FREETMPS; | |
1339 | LEAVE; | |
1340 | } | |
d6602a8c | 1341 | op = oldop; |
a0d0e21e LW |
1342 | return retval; |
1343 | } | |
1344 | ||
6e72f9df | 1345 | /* Eval a string. The G_EVAL flag is always assumed. */ |
8990e307 | 1346 | |
a0d0e21e | 1347 | I32 |
8ac85365 NIS |
1348 | perl_eval_sv(SV *sv, I32 flags) |
1349 | ||
1350 | /* See G_* flags in cop.h */ | |
a0d0e21e | 1351 | { |
924508f0 | 1352 | dSP; |
a0d0e21e | 1353 | UNOP myop; /* fake syntax tree node */ |
924508f0 | 1354 | I32 oldmark = SP - stack_base; |
4633a7c4 | 1355 | I32 retval; |
4633a7c4 | 1356 | I32 oldscope; |
54310121 | 1357 | dJMPENV; |
6224f72b | 1358 | int ret; |
84902520 TB |
1359 | OP* oldop = op; |
1360 | ||
4633a7c4 LW |
1361 | if (flags & G_DISCARD) { |
1362 | ENTER; | |
1363 | SAVETMPS; | |
1364 | } | |
1365 | ||
462e5cf6 | 1366 | SAVEOP(); |
79072805 | 1367 | op = (OP*)&myop; |
a0d0e21e | 1368 | Zero(op, 1, UNOP); |
4633a7c4 LW |
1369 | EXTEND(stack_sp, 1); |
1370 | *++stack_sp = sv; | |
1371 | oldscope = scopestack_ix; | |
79072805 | 1372 | |
4633a7c4 LW |
1373 | if (!(flags & G_NOARGS)) |
1374 | myop.op_flags = OPf_STACKED; | |
79072805 | 1375 | myop.op_next = Nullop; |
6e72f9df | 1376 | myop.op_type = OP_ENTEREVAL; |
54310121 | 1377 | myop.op_flags |= ((flags & G_VOID) ? OPf_WANT_VOID : |
1378 | (flags & G_ARRAY) ? OPf_WANT_LIST : | |
1379 | OPf_WANT_SCALAR); | |
6e72f9df | 1380 | if (flags & G_KEEPERR) |
1381 | myop.op_flags |= OPf_SPECIAL; | |
4633a7c4 | 1382 | |
6224f72b GS |
1383 | JMPENV_PUSH(ret); |
1384 | switch (ret) { | |
1385 | case 0: | |
4633a7c4 | 1386 | break; |
6224f72b | 1387 | case 1: |
f86702cc | 1388 | STATUS_ALL_FAILURE; |
4633a7c4 | 1389 | /* FALL THROUGH */ |
6224f72b | 1390 | case 2: |
4633a7c4 LW |
1391 | /* my_exit() was called */ |
1392 | curstash = defstash; | |
1393 | FREETMPS; | |
54310121 | 1394 | JMPENV_POP; |
4633a7c4 LW |
1395 | if (statusvalue) |
1396 | croak("Callback called exit"); | |
f86702cc | 1397 | my_exit_jump(); |
4633a7c4 | 1398 | /* NOTREACHED */ |
6224f72b | 1399 | case 3: |
4633a7c4 LW |
1400 | if (restartop) { |
1401 | op = restartop; | |
1402 | restartop = 0; | |
54310121 | 1403 | break; |
4633a7c4 LW |
1404 | } |
1405 | stack_sp = stack_base + oldmark; | |
1406 | if (flags & G_ARRAY) | |
1407 | retval = 0; | |
1408 | else { | |
1409 | retval = 1; | |
1410 | *++stack_sp = &sv_undef; | |
1411 | } | |
1412 | goto cleanup; | |
1413 | } | |
1414 | ||
1415 | if (op == (OP*)&myop) | |
11343788 | 1416 | op = pp_entereval(ARGS); |
4633a7c4 | 1417 | if (op) |
76e3520e | 1418 | CALLRUNOPS(); |
4633a7c4 | 1419 | retval = stack_sp - (stack_base + oldmark); |
6e72f9df | 1420 | if (!(flags & G_KEEPERR)) |
38a03e6e | 1421 | sv_setpv(ERRSV,""); |
4633a7c4 LW |
1422 | |
1423 | cleanup: | |
54310121 | 1424 | JMPENV_POP; |
4633a7c4 LW |
1425 | if (flags & G_DISCARD) { |
1426 | stack_sp = stack_base + oldmark; | |
1427 | retval = 0; | |
1428 | FREETMPS; | |
1429 | LEAVE; | |
1430 | } | |
84902520 | 1431 | op = oldop; |
4633a7c4 LW |
1432 | return retval; |
1433 | } | |
1434 | ||
137443ea | 1435 | SV* |
8ac85365 | 1436 | perl_eval_pv(char *p, I32 croak_on_error) |
137443ea | 1437 | { |
1438 | dSP; | |
1439 | SV* sv = newSVpv(p, 0); | |
1440 | ||
924508f0 | 1441 | PUSHMARK(SP); |
137443ea | 1442 | perl_eval_sv(sv, G_SCALAR); |
1443 | SvREFCNT_dec(sv); | |
1444 | ||
1445 | SPAGAIN; | |
1446 | sv = POPs; | |
1447 | PUTBACK; | |
1448 | ||
38a03e6e MB |
1449 | if (croak_on_error && SvTRUE(ERRSV)) |
1450 | croak(SvPVx(ERRSV, na)); | |
137443ea | 1451 | |
1452 | return sv; | |
1453 | } | |
1454 | ||
4633a7c4 LW |
1455 | /* Require a module. */ |
1456 | ||
1457 | void | |
8ac85365 | 1458 | perl_require_pv(char *pv) |
4633a7c4 LW |
1459 | { |
1460 | SV* sv = sv_newmortal(); | |
1461 | sv_setpv(sv, "require '"); | |
1462 | sv_catpv(sv, pv); | |
1463 | sv_catpv(sv, "'"); | |
1464 | perl_eval_sv(sv, G_DISCARD); | |
79072805 LW |
1465 | } |
1466 | ||
79072805 | 1467 | void |
8ac85365 | 1468 | magicname(char *sym, char *name, I32 namlen) |
79072805 LW |
1469 | { |
1470 | register GV *gv; | |
1471 | ||
85e6fe83 | 1472 | if (gv = gv_fetchpv(sym,TRUE, SVt_PV)) |
79072805 LW |
1473 | sv_magic(GvSV(gv), (SV*)gv, 0, name, namlen); |
1474 | } | |
1475 | ||
76e3520e | 1476 | STATIC void |
8ac85365 NIS |
1477 | usage(char *name) /* XXX move this out into a module ? */ |
1478 | ||
4633a7c4 | 1479 | { |
ab821d7f | 1480 | /* This message really ought to be max 23 lines. |
1481 | * Removed -h because the user already knows that opton. Others? */ | |
fb73857a | 1482 | |
76e3520e | 1483 | static char *usage_msg[] = { |
fb73857a | 1484 | "-0[octal] specify record separator (\\0, if no argument)", |
1485 | "-a autosplit mode with -n or -p (splits $_ into @F)", | |
1486 | "-c check syntax only (runs BEGIN and END blocks)", | |
1487 | "-d[:debugger] run scripts under debugger", | |
1488 | "-D[number/list] set debugging flags (argument is a bit mask or flags)", | |
1489 | "-e 'command' one line of script. Several -e's allowed. Omit [programfile].", | |
1490 | "-F/pattern/ split() pattern for autosplit (-a). The //'s are optional.", | |
1491 | "-i[extension] edit <> files in place (make backup if extension supplied)", | |
1492 | "-Idirectory specify @INC/#include directory (may be used more than once)", | |
1493 | "-l[octal] enable line ending processing, specifies line terminator", | |
1494 | "-[mM][-]module.. executes `use/no module...' before executing your script.", | |
1495 | "-n assume 'while (<>) { ... }' loop around your script", | |
1496 | "-p assume loop like -n but print line also like sed", | |
1497 | "-P run script through C preprocessor before compilation", | |
1498 | "-s enable some switch parsing for switches after script name", | |
1499 | "-S look for the script using PATH environment variable", | |
1500 | "-T turn on tainting checks", | |
1501 | "-u dump core after parsing script", | |
1502 | "-U allow unsafe operations", | |
95103687 | 1503 | "-v print version number, patchlevel plus VERY IMPORTANT perl info", |
fb73857a | 1504 | "-V[:variable] print perl configuration information", |
1505 | "-w TURN WARNINGS ON FOR COMPILATION OF YOUR SCRIPT. Recommended.", | |
1506 | "-x[directory] strip off text before #!perl line and perhaps cd to directory", | |
1507 | "\n", | |
1508 | NULL | |
1509 | }; | |
76e3520e | 1510 | char **p = usage_msg; |
fb73857a | 1511 | |
ab821d7f | 1512 | printf("\nUsage: %s [switches] [--] [programfile] [arguments]", name); |
fb73857a | 1513 | while (*p) |
1514 | printf("\n %s", *p++); | |
4633a7c4 LW |
1515 | } |
1516 | ||
79072805 LW |
1517 | /* This routine handles any switches that can be given during run */ |
1518 | ||
1519 | char * | |
8ac85365 | 1520 | moreswitches(char *s) |
79072805 LW |
1521 | { |
1522 | I32 numlen; | |
c07a80fd | 1523 | U32 rschar; |
79072805 LW |
1524 | |
1525 | switch (*s) { | |
1526 | case '0': | |
a863c7d1 MB |
1527 | { |
1528 | dTHR; | |
c07a80fd | 1529 | rschar = scan_oct(s, 4, &numlen); |
1530 | SvREFCNT_dec(nrs); | |
1531 | if (rschar & ~((U8)~0)) | |
1532 | nrs = &sv_undef; | |
1533 | else if (!rschar && numlen >= 2) | |
1534 | nrs = newSVpv("", 0); | |
1535 | else { | |
1536 | char ch = rschar; | |
1537 | nrs = newSVpv(&ch, 1); | |
79072805 LW |
1538 | } |
1539 | return s + numlen; | |
a863c7d1 | 1540 | } |
2304df62 AD |
1541 | case 'F': |
1542 | minus_F = TRUE; | |
a0d0e21e | 1543 | splitstr = savepv(s + 1); |
2304df62 AD |
1544 | s += strlen(s); |
1545 | return s; | |
79072805 LW |
1546 | case 'a': |
1547 | minus_a = TRUE; | |
1548 | s++; | |
1549 | return s; | |
1550 | case 'c': | |
1551 | minus_c = TRUE; | |
1552 | s++; | |
1553 | return s; | |
1554 | case 'd': | |
bbce6d69 | 1555 | forbid_setid("-d"); |
4633a7c4 | 1556 | s++; |
c07a80fd | 1557 | if (*s == ':' || *s == '=') { |
46fc3d4c | 1558 | my_setenv("PERL5DB", form("use Devel::%s;", ++s)); |
4633a7c4 | 1559 | s += strlen(s); |
4633a7c4 | 1560 | } |
a0d0e21e | 1561 | if (!perldb) { |
84902520 | 1562 | perldb = PERLDB_ALL; |
a0d0e21e LW |
1563 | init_debugger(); |
1564 | } | |
79072805 LW |
1565 | return s; |
1566 | case 'D': | |
1567 | #ifdef DEBUGGING | |
bbce6d69 | 1568 | forbid_setid("-D"); |
79072805 | 1569 | if (isALPHA(s[1])) { |
8990e307 | 1570 | static char debopts[] = "psltocPmfrxuLHXD"; |
79072805 LW |
1571 | char *d; |
1572 | ||
93a17b20 | 1573 | for (s++; *s && (d = strchr(debopts,*s)); s++) |
79072805 LW |
1574 | debug |= 1 << (d - debopts); |
1575 | } | |
1576 | else { | |
1577 | debug = atoi(s+1); | |
1578 | for (s++; isDIGIT(*s); s++) ; | |
1579 | } | |
8990e307 | 1580 | debug |= 0x80000000; |
79072805 LW |
1581 | #else |
1582 | warn("Recompile perl with -DDEBUGGING to use -D switch\n"); | |
a0d0e21e | 1583 | for (s++; isALNUM(*s); s++) ; |
79072805 LW |
1584 | #endif |
1585 | /*SUPPRESS 530*/ | |
1586 | return s; | |
4633a7c4 LW |
1587 | case 'h': |
1588 | usage(origargv[0]); | |
6ad3d225 | 1589 | PerlProc_exit(0); |
79072805 LW |
1590 | case 'i': |
1591 | if (inplace) | |
1592 | Safefree(inplace); | |
a0d0e21e | 1593 | inplace = savepv(s+1); |
79072805 LW |
1594 | /*SUPPRESS 530*/ |
1595 | for (s = inplace; *s && !isSPACE(*s); s++) ; | |
7b8d334a | 1596 | if (*s) { |
fb73857a | 1597 | *s++ = '\0'; |
7b8d334a GS |
1598 | if (*s == '-') /* Additional switches on #! line. */ |
1599 | s++; | |
1600 | } | |
fb73857a | 1601 | return s; |
1602 | case 'I': /* -I handled both here and in parse_perl() */ | |
bbce6d69 | 1603 | forbid_setid("-I"); |
fb73857a | 1604 | ++s; |
1605 | while (*s && isSPACE(*s)) | |
1606 | ++s; | |
1607 | if (*s) { | |
774d564b | 1608 | char *e, *p; |
748a9306 | 1609 | for (e = s; *e && !isSPACE(*e); e++) ; |
774d564b | 1610 | p = savepvn(s, e-s); |
1611 | incpush(p, TRUE); | |
1612 | Safefree(p); | |
fb73857a | 1613 | s = e; |
79072805 LW |
1614 | } |
1615 | else | |
463ee0b2 | 1616 | croak("No space allowed after -I"); |
fb73857a | 1617 | return s; |
79072805 LW |
1618 | case 'l': |
1619 | minus_l = TRUE; | |
1620 | s++; | |
a0d0e21e LW |
1621 | if (ors) |
1622 | Safefree(ors); | |
79072805 | 1623 | if (isDIGIT(*s)) { |
a0d0e21e | 1624 | ors = savepv("\n"); |
79072805 LW |
1625 | orslen = 1; |
1626 | *ors = scan_oct(s, 3 + (*s == '0'), &numlen); | |
1627 | s += numlen; | |
1628 | } | |
1629 | else { | |
a863c7d1 | 1630 | dTHR; |
c07a80fd | 1631 | if (RsPARA(nrs)) { |
6e72f9df | 1632 | ors = "\n\n"; |
c07a80fd | 1633 | orslen = 2; |
1634 | } | |
1635 | else | |
1636 | ors = SvPV(nrs, orslen); | |
6e72f9df | 1637 | ors = savepvn(ors, orslen); |
79072805 LW |
1638 | } |
1639 | return s; | |
1a30305b | 1640 | case 'M': |
bbce6d69 | 1641 | forbid_setid("-M"); /* XXX ? */ |
1a30305b | 1642 | /* FALL THROUGH */ |
1643 | case 'm': | |
bbce6d69 | 1644 | forbid_setid("-m"); /* XXX ? */ |
1a30305b | 1645 | if (*++s) { |
a5f75d66 | 1646 | char *start; |
11343788 | 1647 | SV *sv; |
a5f75d66 AD |
1648 | char *use = "use "; |
1649 | /* -M-foo == 'no foo' */ | |
1650 | if (*s == '-') { use = "no "; ++s; } | |
11343788 | 1651 | sv = newSVpv(use,0); |
a5f75d66 | 1652 | start = s; |
1a30305b | 1653 | /* We allow -M'Module qw(Foo Bar)' */ |
c07a80fd | 1654 | while(isALNUM(*s) || *s==':') ++s; |
1655 | if (*s != '=') { | |
11343788 | 1656 | sv_catpv(sv, start); |
c07a80fd | 1657 | if (*(start-1) == 'm') { |
1658 | if (*s != '\0') | |
1659 | croak("Can't use '%c' after -mname", *s); | |
11343788 | 1660 | sv_catpv( sv, " ()"); |
c07a80fd | 1661 | } |
1662 | } else { | |
11343788 MB |
1663 | sv_catpvn(sv, start, s-start); |
1664 | sv_catpv(sv, " split(/,/,q{"); | |
1665 | sv_catpv(sv, ++s); | |
1666 | sv_catpv(sv, "})"); | |
c07a80fd | 1667 | } |
1a30305b | 1668 | s += strlen(s); |
c07a80fd | 1669 | if (preambleav == NULL) |
1670 | preambleav = newAV(); | |
11343788 | 1671 | av_push(preambleav, sv); |
1a30305b | 1672 | } |
1673 | else | |
1674 | croak("No space allowed after -%c", *(s-1)); | |
1675 | return s; | |
79072805 LW |
1676 | case 'n': |
1677 | minus_n = TRUE; | |
1678 | s++; | |
1679 | return s; | |
1680 | case 'p': | |
1681 | minus_p = TRUE; | |
1682 | s++; | |
1683 | return s; | |
1684 | case 's': | |
bbce6d69 | 1685 | forbid_setid("-s"); |
79072805 LW |
1686 | doswitches = TRUE; |
1687 | s++; | |
1688 | return s; | |
463ee0b2 | 1689 | case 'T': |
f86702cc | 1690 | if (!tainting) |
9607fc9c | 1691 | croak("Too late for \"-T\" option"); |
463ee0b2 LW |
1692 | s++; |
1693 | return s; | |
79072805 LW |
1694 | case 'u': |
1695 | do_undump = TRUE; | |
1696 | s++; | |
1697 | return s; | |
1698 | case 'U': | |
1699 | unsafe = TRUE; | |
1700 | s++; | |
1701 | return s; | |
1702 | case 'v': | |
a5f75d66 | 1703 | #if defined(SUBVERSION) && SUBVERSION > 0 |
fb73857a | 1704 | printf("\nThis is perl, version 5.%03d_%02d built for %s", |
1705 | PATCHLEVEL, SUBVERSION, ARCHNAME); | |
a5f75d66 | 1706 | #else |
fb73857a | 1707 | printf("\nThis is perl, version %s built for %s", |
1708 | patchlevel, ARCHNAME); | |
1709 | #endif | |
1710 | #if defined(LOCAL_PATCH_COUNT) | |
1711 | if (LOCAL_PATCH_COUNT > 0) | |
1712 | printf("\n(with %d registered patch%s, see perl -V for more detail)", | |
1713 | LOCAL_PATCH_COUNT, (LOCAL_PATCH_COUNT!=1) ? "es" : ""); | |
a5f75d66 | 1714 | #endif |
1a30305b | 1715 | |
a411490c | 1716 | printf("\n\nCopyright 1987-1998, Larry Wall\n"); |
79072805 | 1717 | #ifdef MSDOS |
fb73857a | 1718 | printf("\nMS-DOS port Copyright (c) 1989, 1990, Diomidis Spinellis\n"); |
55497cff | 1719 | #endif |
1720 | #ifdef DJGPP | |
1721 | printf("djgpp v2 port (jpl5003c) by Hirofumi Watanabe, 1996\n"); | |
9731c6ca | 1722 | printf("djgpp v2 port (perl5004+) by Laszlo Molnar, 1997-1998\n"); |
4633a7c4 | 1723 | #endif |
79072805 | 1724 | #ifdef OS2 |
5dd60ef7 | 1725 | printf("\n\nOS/2 port Copyright (c) 1990, 1991, Raymond Chen, Kai Uwe Rommel\n" |
a411490c | 1726 | "Version 5 port Copyright (c) 1994-1998, Andreas Kaiser, Ilya Zakharevich\n"); |
79072805 | 1727 | #endif |
79072805 | 1728 | #ifdef atarist |
760ac839 | 1729 | printf("atariST series port, ++jrb bammi@cadence.com\n"); |
79072805 | 1730 | #endif |
760ac839 | 1731 | printf("\n\ |
79072805 | 1732 | Perl may be copied only under the terms of either the Artistic License or the\n\ |
95103687 GS |
1733 | GNU General Public License, which may be found in the Perl 5.0 source kit.\n\n\ |
1734 | Complete documentation for Perl, including FAQ lists, should be found on\n\ | |
1735 | this system using `man perl' or `perldoc perl'. If you have access to the\n\ | |
1736 | Internet, point your browser at http://www.perl.com/, the Perl Home Page.\n\n"); | |
6ad3d225 | 1737 | PerlProc_exit(0); |
79072805 LW |
1738 | case 'w': |
1739 | dowarn = TRUE; | |
1740 | s++; | |
1741 | return s; | |
a0d0e21e | 1742 | case '*': |
79072805 LW |
1743 | case ' ': |
1744 | if (s[1] == '-') /* Additional switches on #! line. */ | |
1745 | return s+2; | |
1746 | break; | |
a0d0e21e | 1747 | case '-': |
79072805 | 1748 | case 0: |
a868473f NIS |
1749 | #ifdef WIN32 |
1750 | case '\r': | |
1751 | #endif | |
79072805 LW |
1752 | case '\n': |
1753 | case '\t': | |
1754 | break; | |
aa689395 | 1755 | #ifdef ALTERNATE_SHEBANG |
1756 | case 'S': /* OS/2 needs -S on "extproc" line. */ | |
1757 | break; | |
1758 | #endif | |
a0d0e21e LW |
1759 | case 'P': |
1760 | if (preprocess) | |
1761 | return s+1; | |
1762 | /* FALL THROUGH */ | |
79072805 | 1763 | default: |
a0d0e21e | 1764 | croak("Can't emulate -%.1s on #! line",s); |
79072805 LW |
1765 | } |
1766 | return Nullch; | |
1767 | } | |
1768 | ||
1769 | /* compliments of Tom Christiansen */ | |
1770 | ||
1771 | /* unexec() can be found in the Gnu emacs distribution */ | |
ee580363 | 1772 | /* Known to work with -DUNEXEC and using unexelf.c from GNU emacs-20.2 */ |
79072805 LW |
1773 | |
1774 | void | |
8ac85365 | 1775 | my_unexec(void) |
79072805 LW |
1776 | { |
1777 | #ifdef UNEXEC | |
46fc3d4c | 1778 | SV* prog; |
1779 | SV* file; | |
ee580363 | 1780 | int status = 1; |
79072805 LW |
1781 | extern int etext; |
1782 | ||
ee580363 | 1783 | prog = newSVpv(BIN_EXP, 0); |
46fc3d4c | 1784 | sv_catpv(prog, "/perl"); |
ee580363 | 1785 | file = newSVpv(origfilename, 0); |
46fc3d4c | 1786 | sv_catpv(file, ".perldump"); |
79072805 | 1787 | |
ee580363 GS |
1788 | unexec(SvPVX(file), SvPVX(prog), &etext, sbrk(0), 0); |
1789 | /* unexec prints msg to stderr in case of failure */ | |
6ad3d225 | 1790 | PerlProc_exit(status); |
79072805 | 1791 | #else |
a5f75d66 AD |
1792 | # ifdef VMS |
1793 | # include <lib$routines.h> | |
1794 | lib$signal(SS$_DEBUG); /* ssdef.h #included from vmsish.h */ | |
aa689395 | 1795 | # else |
79072805 | 1796 | ABORT(); /* for use with undump */ |
aa689395 | 1797 | # endif |
a5f75d66 | 1798 | #endif |
79072805 LW |
1799 | } |
1800 | ||
76e3520e | 1801 | STATIC void |
8ac85365 | 1802 | init_main_stash(void) |
79072805 | 1803 | { |
11343788 | 1804 | dTHR; |
463ee0b2 | 1805 | GV *gv; |
6e72f9df | 1806 | |
1807 | /* Note that strtab is a rather special HV. Assumptions are made | |
1808 | about not iterating on it, and not adding tie magic to it. | |
1809 | It is properly deallocated in perl_destruct() */ | |
1810 | strtab = newHV(); | |
1811 | HvSHAREKEYS_off(strtab); /* mandatory */ | |
1812 | Newz(506,((XPVHV*)SvANY(strtab))->xhv_array, | |
1813 | sizeof(HE*) * (((XPVHV*)SvANY(strtab))->xhv_max + 1), char); | |
1814 | ||
463ee0b2 | 1815 | curstash = defstash = newHV(); |
79072805 | 1816 | curstname = newSVpv("main",4); |
adbc6bb1 LW |
1817 | gv = gv_fetchpv("main::",TRUE, SVt_PVHV); |
1818 | SvREFCNT_dec(GvHV(gv)); | |
1819 | GvHV(gv) = (HV*)SvREFCNT_inc(defstash); | |
463ee0b2 | 1820 | SvREADONLY_on(gv); |
a0d0e21e | 1821 | HvNAME(defstash) = savepv("main"); |
85e6fe83 | 1822 | incgv = gv_HVadd(gv_AVadd(gv_fetchpv("INC",TRUE, SVt_PVAV))); |
a5f75d66 | 1823 | GvMULTI_on(incgv); |
a0d0e21e | 1824 | defgv = gv_fetchpv("_",TRUE, SVt_PVAV); |
12f917ad MB |
1825 | errgv = gv_HVadd(gv_fetchpv("@", TRUE, SVt_PV)); |
1826 | GvMULTI_on(errgv); | |
ce862d02 IZ |
1827 | replgv = gv_HVadd(gv_fetchpv("\022", TRUE, SVt_PV)); /* ^R */ |
1828 | GvMULTI_on(replgv); | |
84902520 | 1829 | (void)form("%240s",""); /* Preallocate temp - for immediate signals. */ |
38a03e6e MB |
1830 | sv_grow(ERRSV, 240); /* Preallocate - for immediate signals. */ |
1831 | sv_setpvn(ERRSV, "", 0); | |
8990e307 LW |
1832 | curstash = defstash; |
1833 | compiling.cop_stash = defstash; | |
adbc6bb1 | 1834 | debstash = GvHV(gv_fetchpv("DB::", GV_ADDMULTI, SVt_PVHV)); |
49dc05e3 | 1835 | globalstash = GvHV(gv_fetchpv("CORE::GLOBAL::", GV_ADDMULTI, SVt_PVHV)); |
4633a7c4 LW |
1836 | /* We must init $/ before switches are processed. */ |
1837 | sv_setpvn(GvSV(gv_fetchpv("/", TRUE, SVt_PV)), "\n", 1); | |
79072805 LW |
1838 | } |
1839 | ||
76e3520e | 1840 | STATIC void |
01f988be | 1841 | open_script(char *scriptname, bool dosearch, SV *sv, int *fdscript) |
79072805 | 1842 | { |
0f15f207 | 1843 | dTHR; |
79072805 | 1844 | register char *s; |
2a92aaa0 | 1845 | |
491527d0 | 1846 | scriptname = find_script(scriptname, dosearch, NULL, 0); |
79072805 | 1847 | |
96436eeb | 1848 | if (strnEQ(scriptname, "/dev/fd/", 8) && isDIGIT(scriptname[8]) ) { |
1849 | char *s = scriptname + 8; | |
01f988be | 1850 | *fdscript = atoi(s); |
96436eeb | 1851 | while (isDIGIT(*s)) |
1852 | s++; | |
1853 | if (*s) | |
1854 | scriptname = s + 1; | |
1855 | } | |
1856 | else | |
01f988be | 1857 | *fdscript = -1; |
afe37c7d | 1858 | origfilename = savepv(e_script ? "-e" : scriptname); |
79072805 LW |
1859 | curcop->cop_filegv = gv_fetchfile(origfilename); |
1860 | if (strEQ(origfilename,"-")) | |
1861 | scriptname = ""; | |
01f988be GS |
1862 | if (*fdscript >= 0) { |
1863 | rsfp = PerlIO_fdopen(*fdscript,PERL_SCRIPT_MODE); | |
96436eeb | 1864 | #if defined(HAS_FCNTL) && defined(F_SETFD) |
7aa04957 CS |
1865 | if (rsfp) |
1866 | fcntl(PerlIO_fileno(rsfp),F_SETFD,1); /* ensure close-on-exec */ | |
96436eeb | 1867 | #endif |
1868 | } | |
1869 | else if (preprocess) { | |
46fc3d4c | 1870 | char *cpp_cfg = CPPSTDIN; |
1871 | SV *cpp = NEWSV(0,0); | |
1872 | SV *cmd = NEWSV(0,0); | |
1873 | ||
1874 | if (strEQ(cpp_cfg, "cppstdin")) | |
1875 | sv_catpvf(cpp, "%s/", BIN_EXP); | |
1876 | sv_catpv(cpp, cpp_cfg); | |
79072805 | 1877 | |
79072805 | 1878 | sv_catpv(sv,"-I"); |
fed7345c | 1879 | sv_catpv(sv,PRIVLIB_EXP); |
46fc3d4c | 1880 | |
79072805 | 1881 | #ifdef MSDOS |
46fc3d4c | 1882 | sv_setpvf(cmd, "\ |
79072805 LW |
1883 | sed %s -e \"/^[^#]/b\" \ |
1884 | -e \"/^#[ ]*include[ ]/b\" \ | |
1885 | -e \"/^#[ ]*define[ ]/b\" \ | |
1886 | -e \"/^#[ ]*if[ ]/b\" \ | |
1887 | -e \"/^#[ ]*ifdef[ ]/b\" \ | |
1888 | -e \"/^#[ ]*ifndef[ ]/b\" \ | |
1889 | -e \"/^#[ ]*else/b\" \ | |
1890 | -e \"/^#[ ]*elif[ ]/b\" \ | |
1891 | -e \"/^#[ ]*undef[ ]/b\" \ | |
1892 | -e \"/^#[ ]*endif/b\" \ | |
1893 | -e \"s/^#.*//\" \ | |
fc36a67e | 1894 | %s | %_ -C %_ %s", |
79072805 LW |
1895 | (doextract ? "-e \"1,/^#/d\n\"" : ""), |
1896 | #else | |
46fc3d4c | 1897 | sv_setpvf(cmd, "\ |
79072805 LW |
1898 | %s %s -e '/^[^#]/b' \ |
1899 | -e '/^#[ ]*include[ ]/b' \ | |
1900 | -e '/^#[ ]*define[ ]/b' \ | |
1901 | -e '/^#[ ]*if[ ]/b' \ | |
1902 | -e '/^#[ ]*ifdef[ ]/b' \ | |
1903 | -e '/^#[ ]*ifndef[ ]/b' \ | |
1904 | -e '/^#[ ]*else/b' \ | |
1905 | -e '/^#[ ]*elif[ ]/b' \ | |
1906 | -e '/^#[ ]*undef[ ]/b' \ | |
1907 | -e '/^#[ ]*endif/b' \ | |
1908 | -e 's/^[ ]*#.*//' \ | |
fc36a67e | 1909 | %s | %_ -C %_ %s", |
79072805 LW |
1910 | #ifdef LOC_SED |
1911 | LOC_SED, | |
1912 | #else | |
1913 | "sed", | |
1914 | #endif | |
1915 | (doextract ? "-e '1,/^#/d\n'" : ""), | |
1916 | #endif | |
46fc3d4c | 1917 | scriptname, cpp, sv, CPPMINUS); |
79072805 LW |
1918 | doextract = FALSE; |
1919 | #ifdef IAMSUID /* actually, this is caught earlier */ | |
1920 | if (euid != uid && !euid) { /* if running suidperl */ | |
1921 | #ifdef HAS_SETEUID | |
1922 | (void)seteuid(uid); /* musn't stay setuid root */ | |
1923 | #else | |
1924 | #ifdef HAS_SETREUID | |
85e6fe83 LW |
1925 | (void)setreuid((Uid_t)-1, uid); |
1926 | #else | |
1927 | #ifdef HAS_SETRESUID | |
1928 | (void)setresuid((Uid_t)-1, uid, (Uid_t)-1); | |
79072805 | 1929 | #else |
76e3520e | 1930 | PerlProc_setuid(uid); |
79072805 LW |
1931 | #endif |
1932 | #endif | |
85e6fe83 | 1933 | #endif |
76e3520e | 1934 | if (PerlProc_geteuid() != uid) |
463ee0b2 | 1935 | croak("Can't do seteuid!\n"); |
79072805 LW |
1936 | } |
1937 | #endif /* IAMSUID */ | |
6ad3d225 | 1938 | rsfp = PerlProc_popen(SvPVX(cmd), "r"); |
46fc3d4c | 1939 | SvREFCNT_dec(cmd); |
1940 | SvREFCNT_dec(cpp); | |
79072805 LW |
1941 | } |
1942 | else if (!*scriptname) { | |
bbce6d69 | 1943 | forbid_setid("program input from stdin"); |
760ac839 | 1944 | rsfp = PerlIO_stdin(); |
79072805 | 1945 | } |
96436eeb | 1946 | else { |
a868473f | 1947 | rsfp = PerlIO_open(scriptname,PERL_SCRIPT_MODE); |
96436eeb | 1948 | #if defined(HAS_FCNTL) && defined(F_SETFD) |
7aa04957 CS |
1949 | if (rsfp) |
1950 | fcntl(PerlIO_fileno(rsfp),F_SETFD,1); /* ensure close-on-exec */ | |
96436eeb | 1951 | #endif |
1952 | } | |
7aa04957 | 1953 | if (!rsfp) { |
13281fa4 | 1954 | #ifdef DOSUID |
a687059c | 1955 | #ifndef IAMSUID /* in case script is not readable before setuid */ |
76e3520e | 1956 | if (euid && PerlLIO_stat(SvPVX(GvSV(curcop->cop_filegv)),&statbuf) >= 0 && |
13281fa4 | 1957 | statbuf.st_mode & (S_ISUID|S_ISGID)) { |
46fc3d4c | 1958 | /* try again */ |
6ad3d225 | 1959 | PerlProc_execv(form("%s/sperl%s", BIN_EXP, patchlevel), origargv); |
463ee0b2 | 1960 | croak("Can't do setuid\n"); |
13281fa4 LW |
1961 | } |
1962 | #endif | |
1963 | #endif | |
463ee0b2 | 1964 | croak("Can't open perl script \"%s\": %s\n", |
2304df62 | 1965 | SvPVX(GvSV(curcop->cop_filegv)), Strerror(errno)); |
13281fa4 | 1966 | } |
79072805 | 1967 | } |
8d063cd8 | 1968 | |
76e3520e | 1969 | STATIC void |
01f988be | 1970 | validate_suid(char *validarg, char *scriptname, int fdscript) |
79072805 | 1971 | { |
96436eeb | 1972 | int which; |
1973 | ||
13281fa4 LW |
1974 | /* do we need to emulate setuid on scripts? */ |
1975 | ||
1976 | /* This code is for those BSD systems that have setuid #! scripts disabled | |
1977 | * in the kernel because of a security problem. Merely defining DOSUID | |
1978 | * in perl will not fix that problem, but if you have disabled setuid | |
1979 | * scripts in the kernel, this will attempt to emulate setuid and setgid | |
1980 | * on scripts that have those now-otherwise-useless bits set. The setuid | |
27e2fb84 LW |
1981 | * root version must be called suidperl or sperlN.NNN. If regular perl |
1982 | * discovers that it has opened a setuid script, it calls suidperl with | |
1983 | * the same argv that it had. If suidperl finds that the script it has | |
1984 | * just opened is NOT setuid root, it sets the effective uid back to the | |
1985 | * uid. We don't just make perl setuid root because that loses the | |
1986 | * effective uid we had before invoking perl, if it was different from the | |
1987 | * uid. | |
13281fa4 LW |
1988 | * |
1989 | * DOSUID must be defined in both perl and suidperl, and IAMSUID must | |
1990 | * be defined in suidperl only. suidperl must be setuid root. The | |
1991 | * Configure script will set this up for you if you want it. | |
1992 | */ | |
a687059c | 1993 | |
13281fa4 | 1994 | #ifdef DOSUID |
ea0efc06 | 1995 | dTHR; |
6e72f9df | 1996 | char *s, *s2; |
a0d0e21e | 1997 | |
6ad3d225 | 1998 | if (PerlLIO_fstat(PerlIO_fileno(rsfp),&statbuf) < 0) /* normal stat is insecure */ |
463ee0b2 | 1999 | croak("Can't stat script \"%s\"",origfilename); |
96436eeb | 2000 | if (fdscript < 0 && statbuf.st_mode & (S_ISUID|S_ISGID)) { |
79072805 | 2001 | I32 len; |
13281fa4 | 2002 | |
a687059c | 2003 | #ifdef IAMSUID |
fe14fcc3 | 2004 | #ifndef HAS_SETREUID |
a687059c LW |
2005 | /* On this access check to make sure the directories are readable, |
2006 | * there is actually a small window that the user could use to make | |
2007 | * filename point to an accessible directory. So there is a faint | |
2008 | * chance that someone could execute a setuid script down in a | |
2009 | * non-accessible directory. I don't know what to do about that. | |
2010 | * But I don't think it's too important. The manual lies when | |
2011 | * it says access() is useful in setuid programs. | |
2012 | */ | |
6ad3d225 | 2013 | if (PerlLIO_access(SvPVX(GvSV(curcop->cop_filegv)),1)) /*double check*/ |
463ee0b2 | 2014 | croak("Permission denied"); |
a687059c LW |
2015 | #else |
2016 | /* If we can swap euid and uid, then we can determine access rights | |
2017 | * with a simple stat of the file, and then compare device and | |
2018 | * inode to make sure we did stat() on the same file we opened. | |
2019 | * Then we just have to make sure he or she can execute it. | |
2020 | */ | |
2021 | { | |
2022 | struct stat tmpstatbuf; | |
2023 | ||
85e6fe83 LW |
2024 | if ( |
2025 | #ifdef HAS_SETREUID | |
2026 | setreuid(euid,uid) < 0 | |
a0d0e21e LW |
2027 | #else |
2028 | # if HAS_SETRESUID | |
85e6fe83 | 2029 | setresuid(euid,uid,(Uid_t)-1) < 0 |
a0d0e21e | 2030 | # endif |
85e6fe83 | 2031 | #endif |
76e3520e | 2032 | || PerlProc_getuid() != euid || PerlProc_geteuid() != uid) |
463ee0b2 | 2033 | croak("Can't swap uid and euid"); /* really paranoid */ |
76e3520e | 2034 | if (PerlLIO_stat(SvPVX(GvSV(curcop->cop_filegv)),&tmpstatbuf) < 0) |
463ee0b2 | 2035 | croak("Permission denied"); /* testing full pathname here */ |
a687059c LW |
2036 | if (tmpstatbuf.st_dev != statbuf.st_dev || |
2037 | tmpstatbuf.st_ino != statbuf.st_ino) { | |
760ac839 | 2038 | (void)PerlIO_close(rsfp); |
6ad3d225 | 2039 | if (rsfp = PerlProc_popen("/bin/mail root","w")) { /* heh, heh */ |
760ac839 | 2040 | PerlIO_printf(rsfp, |
ff0cee69 | 2041 | "User %ld tried to run dev %ld ino %ld in place of dev %ld ino %ld!\n\ |
2042 | (Filename of set-id script was %s, uid %ld gid %ld.)\n\nSincerely,\nperl\n", | |
2043 | (long)uid,(long)tmpstatbuf.st_dev, (long)tmpstatbuf.st_ino, | |
2044 | (long)statbuf.st_dev, (long)statbuf.st_ino, | |
463ee0b2 | 2045 | SvPVX(GvSV(curcop->cop_filegv)), |
ff0cee69 | 2046 | (long)statbuf.st_uid, (long)statbuf.st_gid); |
6ad3d225 | 2047 | (void)PerlProc_pclose(rsfp); |
a687059c | 2048 | } |
463ee0b2 | 2049 | croak("Permission denied\n"); |
a687059c | 2050 | } |
85e6fe83 LW |
2051 | if ( |
2052 | #ifdef HAS_SETREUID | |
2053 | setreuid(uid,euid) < 0 | |
a0d0e21e LW |
2054 | #else |
2055 | # if defined(HAS_SETRESUID) | |
85e6fe83 | 2056 | setresuid(uid,euid,(Uid_t)-1) < 0 |
a0d0e21e | 2057 | # endif |
85e6fe83 | 2058 | #endif |
76e3520e | 2059 | || PerlProc_getuid() != uid || PerlProc_geteuid() != euid) |
463ee0b2 | 2060 | croak("Can't reswap uid and euid"); |
27e2fb84 | 2061 | if (!cando(S_IXUSR,FALSE,&statbuf)) /* can real uid exec? */ |
463ee0b2 | 2062 | croak("Permission denied\n"); |
a687059c | 2063 | } |
fe14fcc3 | 2064 | #endif /* HAS_SETREUID */ |
a687059c LW |
2065 | #endif /* IAMSUID */ |
2066 | ||
27e2fb84 | 2067 | if (!S_ISREG(statbuf.st_mode)) |
463ee0b2 | 2068 | croak("Permission denied"); |
27e2fb84 | 2069 | if (statbuf.st_mode & S_IWOTH) |
463ee0b2 | 2070 | croak("Setuid/gid script is writable by world"); |
13281fa4 | 2071 | doswitches = FALSE; /* -s is insecure in suid */ |
79072805 | 2072 | curcop->cop_line++; |
760ac839 LW |
2073 | if (sv_gets(linestr, rsfp, 0) == Nullch || |
2074 | strnNE(SvPV(linestr,na),"#!",2) ) /* required even on Sys V */ | |
463ee0b2 | 2075 | croak("No #! line"); |
760ac839 | 2076 | s = SvPV(linestr,na)+2; |
663a0e37 | 2077 | if (*s == ' ') s++; |
45d8adaa | 2078 | while (!isSPACE(*s)) s++; |
760ac839 | 2079 | for (s2 = s; (s2 > SvPV(linestr,na)+2 && |
6e72f9df | 2080 | (isDIGIT(s2[-1]) || strchr("._-", s2[-1]))); s2--) ; |
2081 | if (strnNE(s2-4,"perl",4) && strnNE(s-9,"perl",4)) /* sanity check */ | |
463ee0b2 | 2082 | croak("Not a perl script"); |
a687059c | 2083 | while (*s == ' ' || *s == '\t') s++; |
13281fa4 LW |
2084 | /* |
2085 | * #! arg must be what we saw above. They can invoke it by | |
2086 | * mentioning suidperl explicitly, but they may not add any strange | |
2087 | * arguments beyond what #! says if they do invoke suidperl that way. | |
2088 | */ | |
2089 | len = strlen(validarg); | |
2090 | if (strEQ(validarg," PHOOEY ") || | |
45d8adaa | 2091 | strnNE(s,validarg,len) || !isSPACE(s[len])) |
463ee0b2 | 2092 | croak("Args must match #! line"); |
a687059c LW |
2093 | |
2094 | #ifndef IAMSUID | |
2095 | if (euid != uid && (statbuf.st_mode & S_ISUID) && | |
2096 | euid == statbuf.st_uid) | |
2097 | if (!do_undump) | |
463ee0b2 | 2098 | croak("YOU HAVEN'T DISABLED SET-ID SCRIPTS IN THE KERNEL YET!\n\ |
a687059c LW |
2099 | FIX YOUR KERNEL, PUT A C WRAPPER AROUND THIS SCRIPT, OR USE -u AND UNDUMP!\n"); |
2100 | #endif /* IAMSUID */ | |
13281fa4 LW |
2101 | |
2102 | if (euid) { /* oops, we're not the setuid root perl */ | |
760ac839 | 2103 | (void)PerlIO_close(rsfp); |
13281fa4 | 2104 | #ifndef IAMSUID |
46fc3d4c | 2105 | /* try again */ |
6ad3d225 | 2106 | PerlProc_execv(form("%s/sperl%s", BIN_EXP, patchlevel), origargv); |
13281fa4 | 2107 | #endif |
463ee0b2 | 2108 | croak("Can't do setuid\n"); |
13281fa4 LW |
2109 | } |
2110 | ||
83025b21 | 2111 | if (statbuf.st_mode & S_ISGID && statbuf.st_gid != egid) { |
fe14fcc3 | 2112 | #ifdef HAS_SETEGID |
a687059c LW |
2113 | (void)setegid(statbuf.st_gid); |
2114 | #else | |
fe14fcc3 | 2115 | #ifdef HAS_SETREGID |
85e6fe83 LW |
2116 | (void)setregid((Gid_t)-1,statbuf.st_gid); |
2117 | #else | |
2118 | #ifdef HAS_SETRESGID | |
2119 | (void)setresgid((Gid_t)-1,statbuf.st_gid,(Gid_t)-1); | |
a687059c | 2120 | #else |
76e3520e | 2121 | PerlProc_setgid(statbuf.st_gid); |
a687059c LW |
2122 | #endif |
2123 | #endif | |
85e6fe83 | 2124 | #endif |
76e3520e | 2125 | if (PerlProc_getegid() != statbuf.st_gid) |
463ee0b2 | 2126 | croak("Can't do setegid!\n"); |
83025b21 | 2127 | } |
a687059c LW |
2128 | if (statbuf.st_mode & S_ISUID) { |
2129 | if (statbuf.st_uid != euid) | |
fe14fcc3 | 2130 | #ifdef HAS_SETEUID |
a687059c LW |
2131 | (void)seteuid(statbuf.st_uid); /* all that for this */ |
2132 | #else | |
fe14fcc3 | 2133 | #ifdef HAS_SETREUID |
85e6fe83 LW |
2134 | (void)setreuid((Uid_t)-1,statbuf.st_uid); |
2135 | #else | |
2136 | #ifdef HAS_SETRESUID | |
2137 | (void)setresuid((Uid_t)-1,statbuf.st_uid,(Uid_t)-1); | |
a687059c | 2138 | #else |
76e3520e | 2139 | PerlProc_setuid(statbuf.st_uid); |
a687059c LW |
2140 | #endif |
2141 | #endif | |
85e6fe83 | 2142 | #endif |
76e3520e | 2143 | if (PerlProc_geteuid() != statbuf.st_uid) |
463ee0b2 | 2144 | croak("Can't do seteuid!\n"); |
a687059c | 2145 | } |
83025b21 | 2146 | else if (uid) { /* oops, mustn't run as root */ |
fe14fcc3 | 2147 | #ifdef HAS_SETEUID |
85e6fe83 | 2148 | (void)seteuid((Uid_t)uid); |
a687059c | 2149 | #else |
fe14fcc3 | 2150 | #ifdef HAS_SETREUID |
85e6fe83 | 2151 | (void)setreuid((Uid_t)-1,(Uid_t)uid); |
a687059c | 2152 | #else |
85e6fe83 LW |
2153 | #ifdef HAS_SETRESUID |
2154 | (void)setresuid((Uid_t)-1,(Uid_t)uid,(Uid_t)-1); | |
2155 | #else | |
76e3520e | 2156 | PerlProc_setuid((Uid_t)uid); |
85e6fe83 | 2157 | #endif |
a687059c LW |
2158 | #endif |
2159 | #endif | |
76e3520e | 2160 | if (PerlProc_geteuid() != uid) |
463ee0b2 | 2161 | croak("Can't do seteuid!\n"); |
83025b21 | 2162 | } |
748a9306 | 2163 | init_ids(); |
27e2fb84 | 2164 | if (!cando(S_IXUSR,TRUE,&statbuf)) |
463ee0b2 | 2165 | croak("Permission denied\n"); /* they can't do this */ |
13281fa4 LW |
2166 | } |
2167 | #ifdef IAMSUID | |
2168 | else if (preprocess) | |
463ee0b2 | 2169 | croak("-P not allowed for setuid/setgid script\n"); |
96436eeb | 2170 | else if (fdscript >= 0) |
2171 | croak("fd script not allowed in suidperl\n"); | |
13281fa4 | 2172 | else |
463ee0b2 | 2173 | croak("Script is not setuid/setgid in suidperl\n"); |
96436eeb | 2174 | |
2175 | /* We absolutely must clear out any saved ids here, so we */ | |
2176 | /* exec the real perl, substituting fd script for scriptname. */ | |
2177 | /* (We pass script name as "subdir" of fd, which perl will grok.) */ | |
760ac839 | 2178 | PerlIO_rewind(rsfp); |
6ad3d225 | 2179 | PerlLIO_lseek(PerlIO_fileno(rsfp),(Off_t)0,0); /* just in case rewind didn't */ |
96436eeb | 2180 | for (which = 1; origargv[which] && origargv[which] != scriptname; which++) ; |
2181 | if (!origargv[which]) | |
2182 | croak("Permission denied"); | |
46fc3d4c | 2183 | origargv[which] = savepv(form("/dev/fd/%d/%s", |
2184 | PerlIO_fileno(rsfp), origargv[which])); | |
96436eeb | 2185 | #if defined(HAS_FCNTL) && defined(F_SETFD) |
760ac839 | 2186 | fcntl(PerlIO_fileno(rsfp),F_SETFD,0); /* ensure no close-on-exec */ |
96436eeb | 2187 | #endif |
6ad3d225 | 2188 | PerlProc_execv(form("%s/perl%s", BIN_EXP, patchlevel), origargv); /* try again */ |
96436eeb | 2189 | croak("Can't do setuid\n"); |
13281fa4 | 2190 | #endif /* IAMSUID */ |
a687059c | 2191 | #else /* !DOSUID */ |
a687059c LW |
2192 | if (euid != uid || egid != gid) { /* (suidperl doesn't exist, in fact) */ |
2193 | #ifndef SETUID_SCRIPTS_ARE_SECURE_NOW | |
96827780 | 2194 | dTHR; |
6ad3d225 | 2195 | PerlLIO_fstat(PerlIO_fileno(rsfp),&statbuf); /* may be either wrapped or real suid */ |
a687059c LW |
2196 | if ((euid != uid && euid == statbuf.st_uid && statbuf.st_mode & S_ISUID) |
2197 | || | |
2198 | (egid != gid && egid == statbuf.st_gid && statbuf.st_mode & S_ISGID) | |
2199 | ) | |
2200 | if (!do_undump) | |
463ee0b2 | 2201 | croak("YOU HAVEN'T DISABLED SET-ID SCRIPTS IN THE KERNEL YET!\n\ |
a687059c LW |
2202 | FIX YOUR KERNEL, PUT A C WRAPPER AROUND THIS SCRIPT, OR USE -u AND UNDUMP!\n"); |
2203 | #endif /* SETUID_SCRIPTS_ARE_SECURE_NOW */ | |
2204 | /* not set-id, must be wrapped */ | |
a687059c | 2205 | } |
13281fa4 | 2206 | #endif /* DOSUID */ |
79072805 | 2207 | } |
13281fa4 | 2208 | |
76e3520e | 2209 | STATIC void |
8ac85365 | 2210 | find_beginning(void) |
79072805 | 2211 | { |
6e72f9df | 2212 | register char *s, *s2; |
33b78306 LW |
2213 | |
2214 | /* skip forward in input to the real script? */ | |
2215 | ||
bbce6d69 | 2216 | forbid_setid("-x"); |
33b78306 | 2217 | while (doextract) { |
79072805 | 2218 | if ((s = sv_gets(linestr, rsfp, 0)) == Nullch) |
463ee0b2 | 2219 | croak("No Perl script found in input\n"); |
6e72f9df | 2220 | if (*s == '#' && s[1] == '!' && (s = instr(s,"perl"))) { |
760ac839 | 2221 | PerlIO_ungetc(rsfp, '\n'); /* to keep line count right */ |
33b78306 | 2222 | doextract = FALSE; |
6e72f9df | 2223 | while (*s && !(isSPACE (*s) || *s == '#')) s++; |
2224 | s2 = s; | |
2225 | while (*s == ' ' || *s == '\t') s++; | |
2226 | if (*s++ == '-') { | |
2227 | while (isDIGIT(s2[-1]) || strchr("-._", s2[-1])) s2--; | |
2228 | if (strnEQ(s2-4,"perl",4)) | |
2229 | /*SUPPRESS 530*/ | |
2230 | while (s = moreswitches(s)) ; | |
33b78306 | 2231 | } |
6ad3d225 | 2232 | if (cddir && PerlDir_chdir(cddir) < 0) |
463ee0b2 | 2233 | croak("Can't chdir to %s",cddir); |
83025b21 LW |
2234 | } |
2235 | } | |
2236 | } | |
2237 | ||
afe37c7d | 2238 | |
76e3520e | 2239 | STATIC void |
8ac85365 | 2240 | init_ids(void) |
352d5a3a | 2241 | { |
76e3520e GS |
2242 | uid = (int)PerlProc_getuid(); |
2243 | euid = (int)PerlProc_geteuid(); | |
2244 | gid = (int)PerlProc_getgid(); | |
2245 | egid = (int)PerlProc_getegid(); | |
748a9306 LW |
2246 | #ifdef VMS |
2247 | uid |= gid << 16; | |
2248 | euid |= egid << 16; | |
2249 | #endif | |
4633a7c4 | 2250 | tainting |= (uid && (euid != uid || egid != gid)); |
748a9306 | 2251 | } |
79072805 | 2252 | |
76e3520e | 2253 | STATIC void |
8ac85365 | 2254 | forbid_setid(char *s) |
bbce6d69 | 2255 | { |
2256 | if (euid != uid) | |
2257 | croak("No %s allowed while running setuid", s); | |
2258 | if (egid != gid) | |
2259 | croak("No %s allowed while running setgid", s); | |
2260 | } | |
2261 | ||
76e3520e | 2262 | STATIC void |
8ac85365 | 2263 | init_debugger(void) |
748a9306 | 2264 | { |
11343788 | 2265 | dTHR; |
79072805 | 2266 | curstash = debstash; |
748a9306 | 2267 | dbargs = GvAV(gv_AVadd((gv_fetchpv("args", GV_ADDMULTI, SVt_PVAV)))); |
79072805 | 2268 | AvREAL_off(dbargs); |
a0d0e21e LW |
2269 | DBgv = gv_fetchpv("DB", GV_ADDMULTI, SVt_PVGV); |
2270 | DBline = gv_fetchpv("dbline", GV_ADDMULTI, SVt_PVAV); | |
748a9306 LW |
2271 | DBsub = gv_HVadd(gv_fetchpv("sub", GV_ADDMULTI, SVt_PVHV)); |
2272 | DBsingle = GvSV((gv_fetchpv("single", GV_ADDMULTI, SVt_PV))); | |
c07a80fd | 2273 | sv_setiv(DBsingle, 0); |
748a9306 | 2274 | DBtrace = GvSV((gv_fetchpv("trace", GV_ADDMULTI, SVt_PV))); |
c07a80fd | 2275 | sv_setiv(DBtrace, 0); |
748a9306 | 2276 | DBsignal = GvSV((gv_fetchpv("signal", GV_ADDMULTI, SVt_PV))); |
c07a80fd | 2277 | sv_setiv(DBsignal, 0); |
79072805 | 2278 | curstash = defstash; |
352d5a3a LW |
2279 | } |
2280 | ||
2ce36478 SM |
2281 | #ifndef STRESS_REALLOC |
2282 | #define REASONABLE(size) (size) | |
2283 | #else | |
2284 | #define REASONABLE(size) (1) /* unreasonable */ | |
2285 | #endif | |
2286 | ||
11343788 | 2287 | void |
8ac85365 | 2288 | init_stacks(ARGSproto) |
79072805 | 2289 | { |
e336de0d GS |
2290 | /* start with 128-item stack and 8K cxstack */ |
2291 | curstackinfo = new_stackinfo(REASONABLE(128), | |
2292 | REASONABLE(8192/sizeof(PERL_CONTEXT) - 1)); | |
2293 | curstackinfo->si_type = SI_MAIN; | |
2294 | curstack = curstackinfo->si_stack; | |
5f05dabc | 2295 | mainstack = curstack; /* remember in case we switch stacks */ |
79072805 | 2296 | |
6e72f9df | 2297 | stack_base = AvARRAY(curstack); |
79072805 | 2298 | stack_sp = stack_base; |
e336de0d | 2299 | stack_max = stack_base + AvMAX(curstack); |
8990e307 | 2300 | |
2ce36478 | 2301 | New(50,tmps_stack,REASONABLE(128),SV*); |
6d4ff0d2 | 2302 | tmps_floor = -1; |
8990e307 | 2303 | tmps_ix = -1; |
2ce36478 | 2304 | tmps_max = REASONABLE(128); |
8990e307 | 2305 | |
5f05dabc | 2306 | /* |
2307 | * The following stacks almost certainly should be per-interpreter, | |
2308 | * but for now they're not. XXX | |
2309 | */ | |
2310 | ||
6e72f9df | 2311 | if (markstack) { |
2312 | markstack_ptr = markstack; | |
2313 | } else { | |
2ce36478 | 2314 | New(54,markstack,REASONABLE(32),I32); |
6e72f9df | 2315 | markstack_ptr = markstack; |
2ce36478 | 2316 | markstack_max = markstack + REASONABLE(32); |
6e72f9df | 2317 | } |
79072805 | 2318 | |
e336de0d GS |
2319 | SET_MARKBASE; |
2320 | ||
6e72f9df | 2321 | if (scopestack) { |
2322 | scopestack_ix = 0; | |
2323 | } else { | |
2ce36478 | 2324 | New(54,scopestack,REASONABLE(32),I32); |
6e72f9df | 2325 | scopestack_ix = 0; |
2ce36478 | 2326 | scopestack_max = REASONABLE(32); |
6e72f9df | 2327 | } |
79072805 | 2328 | |
6e72f9df | 2329 | if (savestack) { |
2330 | savestack_ix = 0; | |
2331 | } else { | |
2ce36478 | 2332 | New(54,savestack,REASONABLE(128),ANY); |
6e72f9df | 2333 | savestack_ix = 0; |
2ce36478 | 2334 | savestack_max = REASONABLE(128); |
6e72f9df | 2335 | } |
79072805 | 2336 | |
6e72f9df | 2337 | if (retstack) { |
2338 | retstack_ix = 0; | |
2339 | } else { | |
2ce36478 | 2340 | New(54,retstack,REASONABLE(16),OP*); |
6e72f9df | 2341 | retstack_ix = 0; |
2ce36478 | 2342 | retstack_max = REASONABLE(16); |
5f05dabc | 2343 | } |
378cc40b | 2344 | } |
33b78306 | 2345 | |
2ce36478 SM |
2346 | #undef REASONABLE |
2347 | ||
76e3520e | 2348 | STATIC void |
8ac85365 | 2349 | nuke_stacks(void) |
6e72f9df | 2350 | { |
e858de61 | 2351 | dTHR; |
e336de0d GS |
2352 | while (curstackinfo->si_next) |
2353 | curstackinfo = curstackinfo->si_next; | |
2354 | while (curstackinfo) { | |
2355 | PERL_SI *p = curstackinfo->si_prev; | |
bac4b2ad | 2356 | /* curstackinfo->si_stack got nuked by sv_free_arenas() */ |
e336de0d GS |
2357 | Safefree(curstackinfo->si_cxstack); |
2358 | Safefree(curstackinfo); | |
2359 | curstackinfo = p; | |
2360 | } | |
6e72f9df | 2361 | Safefree(tmps_stack); |
00db4c45 GS |
2362 | /* XXX refcount interpreters to determine when to free global data |
2363 | Safefree(markstack); | |
2364 | Safefree(scopestack); | |
2365 | Safefree(savestack); | |
2366 | Safefree(retstack); | |
2367 | */ | |
5f05dabc | 2368 | DEBUG( { |
2369 | Safefree(debname); | |
2370 | Safefree(debdelim); | |
2371 | } ) | |
378cc40b | 2372 | } |
33b78306 | 2373 | |
76e3520e | 2374 | #ifndef PERL_OBJECT |
760ac839 | 2375 | static PerlIO *tmpfp; /* moved outside init_lexer() because of UNICOS bug */ |
76e3520e | 2376 | #endif |
7aa04957 | 2377 | |
76e3520e | 2378 | STATIC void |
8ac85365 | 2379 | init_lexer(void) |
8990e307 | 2380 | { |
76e3520e GS |
2381 | #ifdef PERL_OBJECT |
2382 | PerlIO *tmpfp; | |
2383 | #endif | |
a0d0e21e | 2384 | tmpfp = rsfp; |
90248788 | 2385 | rsfp = Nullfp; |
8990e307 LW |
2386 | lex_start(linestr); |
2387 | rsfp = tmpfp; | |
2388 | subname = newSVpv("main",4); | |
2389 | } | |
2390 | ||
76e3520e | 2391 | STATIC void |
8ac85365 | 2392 | init_predump_symbols(void) |
45d8adaa | 2393 | { |
11343788 | 2394 | dTHR; |
93a17b20 | 2395 | GV *tmpgv; |
a0d0e21e | 2396 | GV *othergv; |
79072805 | 2397 | |
e1c148c2 | 2398 | sv_setpvn(perl_get_sv("\"", TRUE), " ", 1); |
85e6fe83 | 2399 | stdingv = gv_fetchpv("STDIN",TRUE, SVt_PVIO); |
a5f75d66 | 2400 | GvMULTI_on(stdingv); |
760ac839 | 2401 | IoIFP(GvIOp(stdingv)) = PerlIO_stdin(); |
adbc6bb1 | 2402 | tmpgv = gv_fetchpv("stdin",TRUE, SVt_PV); |
a5f75d66 | 2403 | GvMULTI_on(tmpgv); |
a0d0e21e | 2404 | GvIOp(tmpgv) = (IO*)SvREFCNT_inc(GvIOp(stdingv)); |
79072805 | 2405 | |
85e6fe83 | 2406 | tmpgv = gv_fetchpv("STDOUT",TRUE, SVt_PVIO); |
a5f75d66 | 2407 | GvMULTI_on(tmpgv); |
760ac839 | 2408 | IoOFP(GvIOp(tmpgv)) = IoIFP(GvIOp(tmpgv)) = PerlIO_stdout(); |
4633a7c4 | 2409 | setdefout(tmpgv); |
adbc6bb1 | 2410 | tmpgv = gv_fetchpv("stdout",TRUE, SVt_PV); |
a5f75d66 | 2411 | GvMULTI_on(tmpgv); |
a0d0e21e | 2412 | GvIOp(tmpgv) = (IO*)SvREFCNT_inc(GvIOp(defoutgv)); |
79072805 | 2413 | |
a0d0e21e | 2414 | othergv = gv_fetchpv("STDERR",TRUE, SVt_PVIO); |
a5f75d66 | 2415 | GvMULTI_on(othergv); |
760ac839 | 2416 | IoOFP(GvIOp(othergv)) = IoIFP(GvIOp(othergv)) = PerlIO_stderr(); |
adbc6bb1 | 2417 | tmpgv = gv_fetchpv("stderr",TRUE, SVt_PV); |
a5f75d66 | 2418 | GvMULTI_on(tmpgv); |
a0d0e21e | 2419 | GvIOp(tmpgv) = (IO*)SvREFCNT_inc(GvIOp(othergv)); |
79072805 LW |
2420 | |
2421 | statname = NEWSV(66,0); /* last filename we did stat on */ | |
ab821d7f | 2422 | |
6e72f9df | 2423 | if (!osname) |
2424 | osname = savepv(OSNAME); | |
79072805 | 2425 | } |
33b78306 | 2426 | |
76e3520e | 2427 | STATIC void |
8ac85365 | 2428 | init_postdump_symbols(register int argc, register char **argv, register char **env) |
33b78306 | 2429 | { |
a863c7d1 | 2430 | dTHR; |
79072805 LW |
2431 | char *s; |
2432 | SV *sv; | |
2433 | GV* tmpgv; | |
fe14fcc3 | 2434 | |
79072805 LW |
2435 | argc--,argv++; /* skip name of script */ |
2436 | if (doswitches) { | |
2437 | for (; argc > 0 && **argv == '-'; argc--,argv++) { | |
2438 | if (!argv[0][1]) | |
2439 | break; | |
2440 | if (argv[0][1] == '-') { | |
2441 | argc--,argv++; | |
2442 | break; | |
2443 | } | |
93a17b20 | 2444 | if (s = strchr(argv[0], '=')) { |
79072805 | 2445 | *s++ = '\0'; |
85e6fe83 | 2446 | sv_setpv(GvSV(gv_fetchpv(argv[0]+1,TRUE, SVt_PV)),s); |
79072805 LW |
2447 | } |
2448 | else | |
85e6fe83 | 2449 | sv_setiv(GvSV(gv_fetchpv(argv[0]+1,TRUE, SVt_PV)),1); |
fe14fcc3 | 2450 | } |
79072805 LW |
2451 | } |
2452 | toptarget = NEWSV(0,0); | |
2453 | sv_upgrade(toptarget, SVt_PVFM); | |
2454 | sv_setpvn(toptarget, "", 0); | |
748a9306 | 2455 | bodytarget = NEWSV(0,0); |
79072805 LW |
2456 | sv_upgrade(bodytarget, SVt_PVFM); |
2457 | sv_setpvn(bodytarget, "", 0); | |
2458 | formtarget = bodytarget; | |
2459 | ||
bbce6d69 | 2460 | TAINT; |
85e6fe83 | 2461 | if (tmpgv = gv_fetchpv("0",TRUE, SVt_PV)) { |
79072805 LW |
2462 | sv_setpv(GvSV(tmpgv),origfilename); |
2463 | magicname("0", "0", 1); | |
2464 | } | |
85e6fe83 | 2465 | if (tmpgv = gv_fetchpv("\030",TRUE, SVt_PV)) |
79072805 | 2466 | sv_setpv(GvSV(tmpgv),origargv[0]); |
85e6fe83 | 2467 | if (argvgv = gv_fetchpv("ARGV",TRUE, SVt_PVAV)) { |
a5f75d66 | 2468 | GvMULTI_on(argvgv); |
79072805 LW |
2469 | (void)gv_AVadd(argvgv); |
2470 | av_clear(GvAVn(argvgv)); | |
2471 | for (; argc > 0; argc--,argv++) { | |
a0d0e21e | 2472 | av_push(GvAVn(argvgv),newSVpv(argv[0],0)); |
79072805 LW |
2473 | } |
2474 | } | |
85e6fe83 | 2475 | if (envgv = gv_fetchpv("ENV",TRUE, SVt_PVHV)) { |
79072805 | 2476 | HV *hv; |
a5f75d66 | 2477 | GvMULTI_on(envgv); |
79072805 | 2478 | hv = GvHVn(envgv); |
5aabfad6 | 2479 | hv_magic(hv, envgv, 'E'); |
a0d0e21e | 2480 | #ifndef VMS /* VMS doesn't have environ array */ |
4633a7c4 LW |
2481 | /* Note that if the supplied env parameter is actually a copy |
2482 | of the global environ then it may now point to free'd memory | |
2483 | if the environment has been modified since. To avoid this | |
2484 | problem we treat env==NULL as meaning 'use the default' | |
2485 | */ | |
2486 | if (!env) | |
2487 | env = environ; | |
5aabfad6 | 2488 | if (env != environ) |
79072805 LW |
2489 | environ[0] = Nullch; |
2490 | for (; *env; env++) { | |
93a17b20 | 2491 | if (!(s = strchr(*env,'='))) |
79072805 LW |
2492 | continue; |
2493 | *s++ = '\0'; | |
60ce6247 | 2494 | #if defined(MSDOS) |
137443ea | 2495 | (void)strupr(*env); |
2496 | #endif | |
79072805 LW |
2497 | sv = newSVpv(s--,0); |
2498 | (void)hv_store(hv, *env, s - *env, sv, 0); | |
2499 | *s = '='; | |
3e3baf6d TB |
2500 | #if defined(__BORLANDC__) && defined(USE_WIN32_RTL_ENV) |
2501 | /* Sins of the RTL. See note in my_setenv(). */ | |
76e3520e | 2502 | (void)PerlEnv_putenv(savepv(*env)); |
3e3baf6d | 2503 | #endif |
fe14fcc3 | 2504 | } |
4550b24a | 2505 | #endif |
2506 | #ifdef DYNAMIC_ENV_FETCH | |
2507 | HvNAME(hv) = savepv(ENV_HV_NAME); | |
2508 | #endif | |
79072805 | 2509 | } |
bbce6d69 | 2510 | TAINT_NOT; |
85e6fe83 | 2511 | if (tmpgv = gv_fetchpv("$",TRUE, SVt_PV)) |
1e422769 | 2512 | sv_setiv(GvSV(tmpgv), (IV)getpid()); |
33b78306 | 2513 | } |
34de22dd | 2514 | |
76e3520e | 2515 | STATIC void |
8ac85365 | 2516 | init_perllib(void) |
34de22dd | 2517 | { |
85e6fe83 LW |
2518 | char *s; |
2519 | if (!tainting) { | |
552a7a9b | 2520 | #ifndef VMS |
76e3520e | 2521 | s = PerlEnv_getenv("PERL5LIB"); |
85e6fe83 | 2522 | if (s) |
774d564b | 2523 | incpush(s, TRUE); |
85e6fe83 | 2524 | else |
76e3520e | 2525 | incpush(PerlEnv_getenv("PERLLIB"), FALSE); |
552a7a9b | 2526 | #else /* VMS */ |
2527 | /* Treat PERL5?LIB as a possible search list logical name -- the | |
2528 | * "natural" VMS idiom for a Unix path string. We allow each | |
2529 | * element to be a set of |-separated directories for compatibility. | |
2530 | */ | |
2531 | char buf[256]; | |
2532 | int idx = 0; | |
2533 | if (my_trnlnm("PERL5LIB",buf,0)) | |
774d564b | 2534 | do { incpush(buf,TRUE); } while (my_trnlnm("PERL5LIB",buf,++idx)); |
552a7a9b | 2535 | else |
774d564b | 2536 | while (my_trnlnm("PERLLIB",buf,idx++)) incpush(buf,FALSE); |
552a7a9b | 2537 | #endif /* VMS */ |
85e6fe83 | 2538 | } |
34de22dd | 2539 | |
c90c0ff4 | 2540 | /* Use the ~-expanded versions of APPLLIB (undocumented), |
dfe9444c | 2541 | ARCHLIB PRIVLIB SITEARCH and SITELIB |
df5cef82 | 2542 | */ |
4633a7c4 | 2543 | #ifdef APPLLIB_EXP |
43051805 | 2544 | incpush(APPLLIB_EXP, TRUE); |
16d20bd9 | 2545 | #endif |
4633a7c4 | 2546 | |
fed7345c | 2547 | #ifdef ARCHLIB_EXP |
774d564b | 2548 | incpush(ARCHLIB_EXP, FALSE); |
a0d0e21e | 2549 | #endif |
fed7345c AD |
2550 | #ifndef PRIVLIB_EXP |
2551 | #define PRIVLIB_EXP "/usr/local/lib/perl5:/usr/local/lib/perl" | |
34de22dd | 2552 | #endif |
00dc2f4f GS |
2553 | #if defined(WIN32) |
2554 | incpush(PRIVLIB_EXP, TRUE); | |
2555 | #else | |
774d564b | 2556 | incpush(PRIVLIB_EXP, FALSE); |
00dc2f4f | 2557 | #endif |
4633a7c4 LW |
2558 | |
2559 | #ifdef SITEARCH_EXP | |
774d564b | 2560 | incpush(SITEARCH_EXP, FALSE); |
4633a7c4 LW |
2561 | #endif |
2562 | #ifdef SITELIB_EXP | |
00dc2f4f GS |
2563 | #if defined(WIN32) |
2564 | incpush(SITELIB_EXP, TRUE); | |
2565 | #else | |
774d564b | 2566 | incpush(SITELIB_EXP, FALSE); |
4633a7c4 | 2567 | #endif |
00dc2f4f | 2568 | #endif |
4633a7c4 | 2569 | if (!tainting) |
774d564b | 2570 | incpush(".", FALSE); |
2571 | } | |
2572 | ||
2573 | #if defined(DOSISH) | |
2574 | # define PERLLIB_SEP ';' | |
2575 | #else | |
2576 | # if defined(VMS) | |
2577 | # define PERLLIB_SEP '|' | |
2578 | # else | |
2579 | # define PERLLIB_SEP ':' | |
2580 | # endif | |
2581 | #endif | |
2582 | #ifndef PERLLIB_MANGLE | |
2583 | # define PERLLIB_MANGLE(s,n) (s) | |
2584 | #endif | |
2585 | ||
76e3520e | 2586 | STATIC void |
8ac85365 | 2587 | incpush(char *p, int addsubdirs) |
774d564b | 2588 | { |
2589 | SV *subdir = Nullsv; | |
774d564b | 2590 | |
2591 | if (!p) | |
2592 | return; | |
2593 | ||
2594 | if (addsubdirs) { | |
00db4c45 | 2595 | subdir = sv_newmortal(); |
774d564b | 2596 | if (!archpat_auto) { |
2597 | STRLEN len = (sizeof(ARCHNAME) + strlen(patchlevel) | |
2598 | + sizeof("//auto")); | |
2599 | New(55, archpat_auto, len, char); | |
2600 | sprintf(archpat_auto, "/%s/%s/auto", ARCHNAME, patchlevel); | |
aa689395 | 2601 | #ifdef VMS |
2602 | for (len = sizeof(ARCHNAME) + 2; | |
2603 | archpat_auto[len] != '\0' && archpat_auto[len] != '/'; len++) | |
2604 | if (archpat_auto[len] == '.') archpat_auto[len] = '_'; | |
2605 | #endif | |
774d564b | 2606 | } |
2607 | } | |
2608 | ||
2609 | /* Break at all separators */ | |
2610 | while (p && *p) { | |
8c52afec | 2611 | SV *libdir = NEWSV(55,0); |
774d564b | 2612 | char *s; |
2613 | ||
2614 | /* skip any consecutive separators */ | |
2615 | while ( *p == PERLLIB_SEP ) { | |
2616 | /* Uncomment the next line for PATH semantics */ | |
2617 | /* av_push(GvAVn(incgv), newSVpv(".", 1)); */ | |
2618 | p++; | |
2619 | } | |
2620 | ||
2621 | if ( (s = strchr(p, PERLLIB_SEP)) != Nullch ) { | |
2622 | sv_setpvn(libdir, PERLLIB_MANGLE(p, (STRLEN)(s - p)), | |
2623 | (STRLEN)(s - p)); | |
2624 | p = s + 1; | |
2625 | } | |
2626 | else { | |
2627 | sv_setpv(libdir, PERLLIB_MANGLE(p, 0)); | |
2628 | p = Nullch; /* break out */ | |
2629 | } | |
2630 | ||
2631 | /* | |
2632 | * BEFORE pushing libdir onto @INC we may first push version- and | |
2633 | * archname-specific sub-directories. | |
2634 | */ | |
2635 | if (addsubdirs) { | |
2636 | struct stat tmpstatbuf; | |
aa689395 | 2637 | #ifdef VMS |
2638 | char *unix; | |
2639 | STRLEN len; | |
774d564b | 2640 | |
aa689395 | 2641 | if ((unix = tounixspec_ts(SvPV(libdir,na),Nullch)) != Nullch) { |
2642 | len = strlen(unix); | |
2643 | while (unix[len-1] == '/') len--; /* Cosmetic */ | |
2644 | sv_usepvn(libdir,unix,len); | |
2645 | } | |
2646 | else | |
2647 | PerlIO_printf(PerlIO_stderr(), | |
2648 | "Failed to unixify @INC element \"%s\"\n", | |
2649 | SvPV(libdir,na)); | |
2650 | #endif | |
4fdae800 | 2651 | /* .../archname/version if -d .../archname/version/auto */ |
774d564b | 2652 | sv_setsv(subdir, libdir); |
2653 | sv_catpv(subdir, archpat_auto); | |
76e3520e | 2654 | if (PerlLIO_stat(SvPVX(subdir), &tmpstatbuf) >= 0 && |
774d564b | 2655 | S_ISDIR(tmpstatbuf.st_mode)) |
2656 | av_push(GvAVn(incgv), | |
2657 | newSVpv(SvPVX(subdir), SvCUR(subdir) - sizeof "auto")); | |
2658 | ||
4fdae800 | 2659 | /* .../archname if -d .../archname/auto */ |
774d564b | 2660 | sv_insert(subdir, SvCUR(libdir) + sizeof(ARCHNAME), |
2661 | strlen(patchlevel) + 1, "", 0); | |
76e3520e | 2662 | if (PerlLIO_stat(SvPVX(subdir), &tmpstatbuf) >= 0 && |
774d564b | 2663 | S_ISDIR(tmpstatbuf.st_mode)) |
2664 | av_push(GvAVn(incgv), | |
2665 | newSVpv(SvPVX(subdir), SvCUR(subdir) - sizeof "auto")); | |
2666 | } | |
2667 | ||
2668 | /* finally push this lib directory on the end of @INC */ | |
2669 | av_push(GvAVn(incgv), libdir); | |
2670 | } | |
34de22dd | 2671 | } |
93a17b20 | 2672 | |
199100c8 | 2673 | #ifdef USE_THREADS |
76e3520e | 2674 | STATIC struct perl_thread * |
199100c8 MB |
2675 | init_main_thread() |
2676 | { | |
52e1cb5e | 2677 | struct perl_thread *thr; |
199100c8 MB |
2678 | XPV *xpv; |
2679 | ||
52e1cb5e | 2680 | Newz(53, thr, 1, struct perl_thread); |
199100c8 MB |
2681 | curcop = &compiling; |
2682 | thr->cvcache = newHV(); | |
54b9620d | 2683 | thr->threadsv = newAV(); |
940cb80d | 2684 | /* thr->threadsvp is set when find_threadsv is called */ |
199100c8 | 2685 | thr->specific = newAV(); |
38a03e6e | 2686 | thr->errhv = newHV(); |
199100c8 MB |
2687 | thr->flags = THRf_R_JOINABLE; |
2688 | MUTEX_INIT(&thr->mutex); | |
2689 | /* Handcraft thrsv similarly to mess_sv */ | |
2690 | New(53, thrsv, 1, SV); | |
2691 | Newz(53, xpv, 1, XPV); | |
2692 | SvFLAGS(thrsv) = SVt_PV; | |
2693 | SvANY(thrsv) = (void*)xpv; | |
2694 | SvREFCNT(thrsv) = 1 << 30; /* practically infinite */ | |
2695 | SvPVX(thrsv) = (char*)thr; | |
2696 | SvCUR_set(thrsv, sizeof(thr)); | |
2697 | SvLEN_set(thrsv, sizeof(thr)); | |
2698 | *SvEND(thrsv) = '\0'; /* in the trailing_nul field */ | |
2699 | thr->oursv = thrsv; | |
199100c8 MB |
2700 | chopset = " \n-"; |
2701 | ||
2702 | MUTEX_LOCK(&threads_mutex); | |
2703 | nthreads++; | |
2704 | thr->tid = 0; | |
2705 | thr->next = thr; | |
2706 | thr->prev = thr; | |
2707 | MUTEX_UNLOCK(&threads_mutex); | |
2708 | ||
4b026b9e GS |
2709 | #ifdef HAVE_THREAD_INTERN |
2710 | init_thread_intern(thr); | |
235db74f GS |
2711 | #endif |
2712 | ||
2713 | #ifdef SET_THREAD_SELF | |
2714 | SET_THREAD_SELF(thr); | |
199100c8 MB |
2715 | #else |
2716 | thr->self = pthread_self(); | |
235db74f | 2717 | #endif /* SET_THREAD_SELF */ |
199100c8 MB |
2718 | SET_THR(thr); |
2719 | ||
2720 | /* | |
2721 | * These must come after the SET_THR because sv_setpvn does | |
2722 | * SvTAINT and the taint fields require dTHR. | |
2723 | */ | |
2724 | toptarget = NEWSV(0,0); | |
2725 | sv_upgrade(toptarget, SVt_PVFM); | |
2726 | sv_setpvn(toptarget, "", 0); | |
2727 | bodytarget = NEWSV(0,0); | |
2728 | sv_upgrade(bodytarget, SVt_PVFM); | |
2729 | sv_setpvn(bodytarget, "", 0); | |
2730 | formtarget = bodytarget; | |
2faa37cc | 2731 | thr->errsv = newSVpv("", 0); |
78857c3c | 2732 | (void) find_threadsv("@"); /* Ensure $@ is initialised early */ |
199100c8 MB |
2733 | return thr; |
2734 | } | |
2735 | #endif /* USE_THREADS */ | |
2736 | ||
93a17b20 | 2737 | void |
76e3520e | 2738 | call_list(I32 oldscope, AV *paramList) |
93a17b20 | 2739 | { |
11343788 | 2740 | dTHR; |
a0d0e21e | 2741 | line_t oldline = curcop->cop_line; |
22921e25 CS |
2742 | STRLEN len; |
2743 | dJMPENV; | |
6224f72b | 2744 | int ret; |
93a17b20 | 2745 | |
76e3520e GS |
2746 | while (AvFILL(paramList) >= 0) { |
2747 | CV *cv = (CV*)av_shift(paramList); | |
93a17b20 | 2748 | |
8990e307 | 2749 | SAVEFREESV(cv); |
a0d0e21e | 2750 | |
6224f72b GS |
2751 | JMPENV_PUSH(ret); |
2752 | switch (ret) { | |
2753 | case 0: { | |
38a03e6e | 2754 | SV* atsv = ERRSV; |
748a9306 LW |
2755 | PUSHMARK(stack_sp); |
2756 | perl_call_sv((SV*)cv, G_EVAL|G_DISCARD); | |
12f917ad | 2757 | (void)SvPV(atsv, len); |
748a9306 | 2758 | if (len) { |
54310121 | 2759 | JMPENV_POP; |
748a9306 LW |
2760 | curcop = &compiling; |
2761 | curcop->cop_line = oldline; | |
76e3520e | 2762 | if (paramList == beginav) |
12f917ad | 2763 | sv_catpv(atsv, "BEGIN failed--compilation aborted"); |
748a9306 | 2764 | else |
12f917ad | 2765 | sv_catpv(atsv, "END failed--cleanup aborted"); |
2ae324a7 | 2766 | while (scopestack_ix > oldscope) |
2767 | LEAVE; | |
12f917ad | 2768 | croak("%s", SvPVX(atsv)); |
748a9306 | 2769 | } |
a0d0e21e | 2770 | } |
85e6fe83 | 2771 | break; |
6224f72b | 2772 | case 1: |
f86702cc | 2773 | STATUS_ALL_FAILURE; |
85e6fe83 | 2774 | /* FALL THROUGH */ |
6224f72b | 2775 | case 2: |
85e6fe83 | 2776 | /* my_exit() was called */ |
2ae324a7 | 2777 | while (scopestack_ix > oldscope) |
2778 | LEAVE; | |
84902520 | 2779 | FREETMPS; |
85e6fe83 LW |
2780 | curstash = defstash; |
2781 | if (endav) | |
68dc0745 | 2782 | call_list(oldscope, endav); |
54310121 | 2783 | JMPENV_POP; |
a0d0e21e LW |
2784 | curcop = &compiling; |
2785 | curcop->cop_line = oldline; | |
85e6fe83 | 2786 | if (statusvalue) { |
76e3520e | 2787 | if (paramList == beginav) |
a0d0e21e | 2788 | croak("BEGIN failed--compilation aborted"); |
85e6fe83 | 2789 | else |
a0d0e21e | 2790 | croak("END failed--cleanup aborted"); |
85e6fe83 | 2791 | } |
f86702cc | 2792 | my_exit_jump(); |
85e6fe83 | 2793 | /* NOTREACHED */ |
6224f72b | 2794 | case 3: |
85e6fe83 | 2795 | if (!restartop) { |
760ac839 | 2796 | PerlIO_printf(PerlIO_stderr(), "panic: restartop\n"); |
a0d0e21e | 2797 | FREETMPS; |
85e6fe83 LW |
2798 | break; |
2799 | } | |
54310121 | 2800 | JMPENV_POP; |
a0d0e21e LW |
2801 | curcop = &compiling; |
2802 | curcop->cop_line = oldline; | |
6224f72b | 2803 | JMPENV_JUMP(3); |
8990e307 | 2804 | } |
54310121 | 2805 | JMPENV_POP; |
93a17b20 | 2806 | } |
93a17b20 | 2807 | } |
93a17b20 | 2808 | |
f86702cc | 2809 | void |
8ac85365 | 2810 | my_exit(U32 status) |
f86702cc | 2811 | { |
5dc0d613 MB |
2812 | dTHR; |
2813 | ||
2814 | #ifdef USE_THREADS | |
a863c7d1 MB |
2815 | DEBUG_L(PerlIO_printf(Perl_debug_log, "my_exit: thread %p, status %lu\n", |
2816 | thr, (unsigned long) status)); | |
5dc0d613 | 2817 | #endif /* USE_THREADS */ |
f86702cc | 2818 | switch (status) { |
2819 | case 0: | |
2820 | STATUS_ALL_SUCCESS; | |
2821 | break; | |
2822 | case 1: | |
2823 | STATUS_ALL_FAILURE; | |
2824 | break; | |
2825 | default: | |
2826 | STATUS_NATIVE_SET(status); | |
2827 | break; | |
2828 | } | |
2829 | my_exit_jump(); | |
2830 | } | |
2831 | ||
2832 | void | |
8ac85365 | 2833 | my_failure_exit(void) |
f86702cc | 2834 | { |
2835 | #ifdef VMS | |
2836 | if (vaxc$errno & 1) { | |
4fdae800 | 2837 | if (STATUS_NATIVE & 1) /* fortuitiously includes "-1" */ |
2838 | STATUS_NATIVE_SET(44); | |
f86702cc | 2839 | } |
2840 | else { | |
ff0cee69 | 2841 | if (!vaxc$errno && errno) /* unlikely */ |
4fdae800 | 2842 | STATUS_NATIVE_SET(44); |
f86702cc | 2843 | else |
4fdae800 | 2844 | STATUS_NATIVE_SET(vaxc$errno); |
f86702cc | 2845 | } |
2846 | #else | |
9b599b2a | 2847 | int exitstatus; |
f86702cc | 2848 | if (errno & 255) |
2849 | STATUS_POSIX_SET(errno); | |
9b599b2a GS |
2850 | else { |
2851 | exitstatus = STATUS_POSIX >> 8; | |
2852 | if (exitstatus & 255) | |
2853 | STATUS_POSIX_SET(exitstatus); | |
2854 | else | |
2855 | STATUS_POSIX_SET(255); | |
2856 | } | |
f86702cc | 2857 | #endif |
2858 | my_exit_jump(); | |
93a17b20 LW |
2859 | } |
2860 | ||
76e3520e | 2861 | STATIC void |
8ac85365 | 2862 | my_exit_jump(void) |
f86702cc | 2863 | { |
bac4b2ad | 2864 | dSP; |
c09156bb | 2865 | register PERL_CONTEXT *cx; |
f86702cc | 2866 | I32 gimme; |
2867 | SV **newsp; | |
2868 | ||
afe37c7d GS |
2869 | if (e_script) { |
2870 | SvREFCNT_dec(e_script); | |
2871 | e_script = Nullsv; | |
f86702cc | 2872 | } |
2873 | ||
bac4b2ad | 2874 | POPSTACK_TO(mainstack); |
f86702cc | 2875 | if (cxstack_ix >= 0) { |
2876 | if (cxstack_ix > 0) | |
2877 | dounwind(0); | |
2878 | POPBLOCK(cx,curpm); | |
2879 | LEAVE; | |
2880 | } | |
ff0cee69 | 2881 | |
6224f72b | 2882 | JMPENV_JUMP(2); |
f86702cc | 2883 | } |
873ef191 GS |
2884 | |
2885 | ||
2886 | #include "XSUB.h" | |
2887 | ||
2888 | static I32 | |
6224f72b GS |
2889 | #ifdef PERL_OBJECT |
2890 | read_e_script(CPerlObj *pPerl, int idx, SV *buf_sv, int maxlen) | |
2891 | #else | |
2892 | read_e_script(int idx, SV *buf_sv, int maxlen) | |
2893 | #endif | |
873ef191 GS |
2894 | { |
2895 | char *p, *nl; | |
873ef191 GS |
2896 | p = SvPVX(e_script); |
2897 | nl = strchr(p, '\n'); | |
2898 | nl = (nl) ? nl+1 : SvEND(e_script); | |
2899 | if (nl-p == 0) | |
2900 | return 0; | |
2901 | sv_catpvn(buf_sv, p, nl-p); | |
2902 | sv_chop(e_script, nl); | |
2903 | return 1; | |
2904 | } | |
2905 | ||
1163b5c4 | 2906 |