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 | |
873ef191 GS |
48 | #ifdef PERL_OBJECT |
49 | static I32 read_e_script _((CPerlObj* pPerl, int idx, SV *buf_sv, int maxlen)); | |
50 | #else | |
a0d0e21e | 51 | static void find_beginning _((void)); |
bbce6d69 | 52 | static void forbid_setid _((char *)); |
774d564b | 53 | static void incpush _((char *, int)); |
cb68f92d | 54 | static void init_interp _((void)); |
748a9306 | 55 | static void init_ids _((void)); |
a0d0e21e LW |
56 | static void init_debugger _((void)); |
57 | static void init_lexer _((void)); | |
58 | static void init_main_stash _((void)); | |
199100c8 | 59 | #ifdef USE_THREADS |
52e1cb5e | 60 | static struct perl_thread * init_main_thread _((void)); |
199100c8 | 61 | #endif /* USE_THREADS */ |
a0d0e21e LW |
62 | static void init_perllib _((void)); |
63 | static void init_postdump_symbols _((int, char **, char **)); | |
64 | static void init_predump_symbols _((void)); | |
f86702cc | 65 | static void my_exit_jump _((void)) __attribute__((noreturn)); |
6e72f9df | 66 | static void nuke_stacks _((void)); |
01f988be | 67 | static void open_script _((char *, bool, SV *, int *fd)); |
ab821d7f | 68 | static void usage _((char *)); |
01f988be | 69 | static void validate_suid _((char *, char*, int)); |
afe37c7d | 70 | static I32 read_e_script _((int idx, SV *buf_sv, int maxlen)); |
76e3520e | 71 | #endif |
96436eeb | 72 | |
01f988be GS |
73 | #ifdef PERL_OBJECT |
74 | CPerlObj* perl_alloc(IPerlMem* ipM, IPerlEnv* ipE, IPerlStdIO* ipStd, | |
75 | IPerlLIO* ipLIO, IPerlDir* ipD, IPerlSock* ipS, IPerlProc* ipP) | |
76 | { | |
77 | CPerlObj* pPerl = new(ipM) CPerlObj(ipM, ipE, ipStd, ipLIO, ipD, ipS, ipP); | |
78 | if(pPerl != NULL) | |
79 | pPerl->Init(); | |
79072805 | 80 | |
01f988be GS |
81 | return pPerl; |
82 | } | |
83 | #else | |
93a17b20 | 84 | PerlInterpreter * |
8ac85365 | 85 | perl_alloc(void) |
79072805 | 86 | { |
93a17b20 | 87 | PerlInterpreter *sv_interp; |
79072805 | 88 | |
8990e307 | 89 | curinterp = 0; |
93a17b20 | 90 | New(53, sv_interp, 1, PerlInterpreter); |
79072805 LW |
91 | return sv_interp; |
92 | } | |
01f988be | 93 | #endif /* PERL_OBJECT */ |
79072805 LW |
94 | |
95 | void | |
76e3520e GS |
96 | #ifdef PERL_OBJECT |
97 | CPerlObj::perl_construct(void) | |
98 | #else | |
8ac85365 | 99 | perl_construct(register PerlInterpreter *sv_interp) |
76e3520e | 100 | #endif |
79072805 | 101 | { |
a863c7d1 MB |
102 | #ifdef USE_THREADS |
103 | int i; | |
104 | #ifndef FAKE_THREADS | |
52e1cb5e | 105 | struct perl_thread *thr; |
a863c7d1 MB |
106 | #endif /* FAKE_THREADS */ |
107 | #endif /* USE_THREADS */ | |
11343788 | 108 | |
76e3520e | 109 | #ifndef PERL_OBJECT |
79072805 LW |
110 | if (!(curinterp = sv_interp)) |
111 | return; | |
76e3520e | 112 | #endif |
79072805 | 113 | |
8990e307 | 114 | #ifdef MULTIPLICITY |
cb68f92d | 115 | ++ninterps; |
93a17b20 | 116 | Zero(sv_interp, 1, PerlInterpreter); |
8990e307 | 117 | #endif |
79072805 | 118 | |
33f46ff6 | 119 | /* Init the real globals (and main thread)? */ |
c116a00c | 120 | if (!linestr) { |
11343788 | 121 | #ifdef USE_THREADS |
8023c3ce | 122 | |
33f46ff6 | 123 | INIT_THREADS; |
d55594ae GS |
124 | #ifdef ALLOC_THREAD_KEY |
125 | ALLOC_THREAD_KEY; | |
126 | #else | |
a863c7d1 MB |
127 | if (pthread_key_create(&thr_key, 0)) |
128 | croak("panic: pthread_key_create"); | |
d55594ae | 129 | #endif |
c116a00c | 130 | MUTEX_INIT(&sv_mutex); |
a863c7d1 MB |
131 | /* |
132 | * Safe to use basic SV functions from now on (though | |
133 | * not things like mortals or tainting yet). | |
134 | */ | |
c116a00c MB |
135 | MUTEX_INIT(&eval_mutex); |
136 | COND_INIT(&eval_cond); | |
33f46ff6 | 137 | MUTEX_INIT(&threads_mutex); |
c116a00c | 138 | COND_INIT(&nthreads_cond); |
dce16143 MB |
139 | #ifdef EMULATE_ATOMIC_REFCOUNTS |
140 | MUTEX_INIT(&svref_mutex); | |
141 | #endif /* EMULATE_ATOMIC_REFCOUNTS */ | |
a863c7d1 | 142 | |
199100c8 | 143 | thr = init_main_thread(); |
11343788 MB |
144 | #endif /* USE_THREADS */ |
145 | ||
8d6dde3e | 146 | linestr = NEWSV(65,79); |
ed6116ce | 147 | sv_upgrade(linestr,SVt_PVIV); |
79072805 | 148 | |
6e72f9df | 149 | if (!SvREADONLY(&sv_undef)) { |
150 | SvREADONLY_on(&sv_undef); | |
79072805 | 151 | |
6e72f9df | 152 | sv_setpv(&sv_no,No); |
153 | SvNV(&sv_no); | |
154 | SvREADONLY_on(&sv_no); | |
79072805 | 155 | |
6e72f9df | 156 | sv_setpv(&sv_yes,Yes); |
157 | SvNV(&sv_yes); | |
158 | SvREADONLY_on(&sv_yes); | |
159 | } | |
79072805 | 160 | |
c07a80fd | 161 | nrs = newSVpv("\n", 1); |
162 | rs = SvREFCNT_inc(nrs); | |
163 | ||
76e3520e GS |
164 | #ifdef PERL_OBJECT |
165 | /* TODO: */ | |
166 | /* sighandlerp = sighandler; */ | |
167 | #else | |
c23142e2 | 168 | sighandlerp = sighandler; |
76e3520e | 169 | #endif |
44a8e56a | 170 | pidstatus = newHV(); |
171 | ||
79072805 LW |
172 | #ifdef MSDOS |
173 | /* | |
174 | * There is no way we can refer to them from Perl so close them to save | |
175 | * space. The other alternative would be to provide STDAUX and STDPRN | |
176 | * filehandles. | |
177 | */ | |
178 | (void)fclose(stdaux); | |
179 | (void)fclose(stdprn); | |
180 | #endif | |
181 | } | |
182 | ||
1a441de9 | 183 | init_stacks(ARGS); |
8990e307 | 184 | #ifdef MULTIPLICITY |
cb68f92d | 185 | init_interp(); |
8ebc5c01 | 186 | perl_destruct_level = 1; |
187 | #else | |
cb68f92d GS |
188 | if (perl_destruct_level > 0) |
189 | init_interp(); | |
79072805 LW |
190 | #endif |
191 | ||
748a9306 | 192 | init_ids(); |
fb73857a | 193 | lex_state = LEX_NOTPARSING; |
a5f75d66 | 194 | |
6224f72b GS |
195 | start_env.je_prev = NULL; |
196 | start_env.je_ret = -1; | |
197 | start_env.je_mustcatch = TRUE; | |
198 | top_env = &start_env; | |
f86702cc | 199 | STATUS_ALL_SUCCESS; |
200 | ||
36477c24 | 201 | SET_NUMERIC_STANDARD(); |
a5f75d66 | 202 | #if defined(SUBVERSION) && SUBVERSION > 0 |
e2666263 | 203 | sprintf(patchlevel, "%7.5f", (double) 5 |
204 | + ((double) PATCHLEVEL / (double) 1000) | |
205 | + ((double) SUBVERSION / (double) 100000)); | |
a5f75d66 | 206 | #else |
e2666263 | 207 | sprintf(patchlevel, "%5.3f", (double) 5 + |
208 | ((double) PATCHLEVEL / (double) 1000)); | |
a5f75d66 | 209 | #endif |
79072805 | 210 | |
ab821d7f | 211 | #if defined(LOCAL_PATCH_COUNT) |
6e72f9df | 212 | localpatches = local_patches; /* For possible -v */ |
ab821d7f | 213 | #endif |
214 | ||
4b556e6c | 215 | PerlIO_init(); /* Hook to IO system */ |
760ac839 | 216 | |
4b556e6c JD |
217 | fdpid = newAV(); /* for remembering popen pids by fd */ |
218 | modglobal = newHV(); /* pointers to per-interpreter module globals */ | |
8990e307 | 219 | |
11343788 MB |
220 | DEBUG( { |
221 | New(51,debname,128,char); | |
222 | New(52,debdelim,128,char); | |
223 | } ) | |
224 | ||
8990e307 | 225 | ENTER; |
79072805 LW |
226 | } |
227 | ||
228 | void | |
76e3520e GS |
229 | #ifdef PERL_OBJECT |
230 | CPerlObj::perl_destruct(void) | |
231 | #else | |
8ac85365 | 232 | perl_destruct(register PerlInterpreter *sv_interp) |
76e3520e | 233 | #endif |
79072805 | 234 | { |
11343788 | 235 | dTHR; |
748a9306 | 236 | int destruct_level; /* 0=none, 1=full, 2=full with checks */ |
8990e307 | 237 | I32 last_sv_count; |
a0d0e21e | 238 | HV *hv; |
1f2bfc8a | 239 | #ifdef USE_THREADS |
33f46ff6 | 240 | Thread t; |
1f2bfc8a | 241 | #endif /* USE_THREADS */ |
8990e307 | 242 | |
76e3520e | 243 | #ifndef PERL_OBJECT |
79072805 LW |
244 | if (!(curinterp = sv_interp)) |
245 | return; | |
76e3520e | 246 | #endif |
748a9306 | 247 | |
11343788 | 248 | #ifdef USE_THREADS |
0f15f207 | 249 | #ifndef FAKE_THREADS |
8023c3ce MB |
250 | /* Pass 1 on any remaining threads: detach joinables, join zombies */ |
251 | retry_cleanup: | |
33f46ff6 MB |
252 | MUTEX_LOCK(&threads_mutex); |
253 | DEBUG_L(PerlIO_printf(PerlIO_stderr(), | |
c7848ba1 | 254 | "perl_destruct: waiting for %d threads...\n", |
33f46ff6 MB |
255 | nthreads - 1)); |
256 | for (t = thr->next; t != thr; t = t->next) { | |
605e5515 MB |
257 | MUTEX_LOCK(&t->mutex); |
258 | switch (ThrSTATE(t)) { | |
259 | AV *av; | |
c7848ba1 MB |
260 | case THRf_ZOMBIE: |
261 | DEBUG_L(PerlIO_printf(PerlIO_stderr(), | |
262 | "perl_destruct: joining zombie %p\n", t)); | |
605e5515 MB |
263 | ThrSETSTATE(t, THRf_DEAD); |
264 | MUTEX_UNLOCK(&t->mutex); | |
265 | nthreads--; | |
8023c3ce MB |
266 | /* |
267 | * The SvREFCNT_dec below may take a long time (e.g. av | |
268 | * may contain an object scalar whose destructor gets | |
269 | * called) so we have to unlock threads_mutex and start | |
270 | * all over again. | |
271 | */ | |
605e5515 | 272 | MUTEX_UNLOCK(&threads_mutex); |
ea0efc06 | 273 | JOIN(t, &av); |
605e5515 | 274 | SvREFCNT_dec((SV*)av); |
c7848ba1 MB |
275 | DEBUG_L(PerlIO_printf(PerlIO_stderr(), |
276 | "perl_destruct: joined zombie %p OK\n", t)); | |
8023c3ce | 277 | goto retry_cleanup; |
c7848ba1 MB |
278 | case THRf_R_JOINABLE: |
279 | DEBUG_L(PerlIO_printf(PerlIO_stderr(), | |
280 | "perl_destruct: detaching thread %p\n", t)); | |
281 | ThrSETSTATE(t, THRf_R_DETACHED); | |
282 | /* | |
283 | * We unlock threads_mutex and t->mutex in the opposite order | |
284 | * from which we locked them just so that DETACH won't | |
285 | * deadlock if it panics. It's only a breach of good style | |
286 | * not a bug since they are unlocks not locks. | |
287 | */ | |
288 | MUTEX_UNLOCK(&threads_mutex); | |
289 | DETACH(t); | |
290 | MUTEX_UNLOCK(&t->mutex); | |
8023c3ce | 291 | goto retry_cleanup; |
c7848ba1 MB |
292 | default: |
293 | DEBUG_L(PerlIO_printf(PerlIO_stderr(), | |
294 | "perl_destruct: ignoring %p (state %u)\n", | |
295 | t, ThrSTATE(t))); | |
296 | MUTEX_UNLOCK(&t->mutex); | |
c7848ba1 | 297 | /* fall through and out */ |
33f46ff6 MB |
298 | } |
299 | } | |
8023c3ce MB |
300 | /* We leave the above "Pass 1" loop with threads_mutex still locked */ |
301 | ||
302 | /* Pass 2 on remaining threads: wait for the thread count to drop to one */ | |
11343788 MB |
303 | while (nthreads > 1) |
304 | { | |
33f46ff6 | 305 | DEBUG_L(PerlIO_printf(PerlIO_stderr(), |
c7848ba1 | 306 | "perl_destruct: final wait for %d threads\n", |
33f46ff6 MB |
307 | nthreads - 1)); |
308 | COND_WAIT(&nthreads_cond, &threads_mutex); | |
11343788 MB |
309 | } |
310 | /* At this point, we're the last thread */ | |
33f46ff6 | 311 | MUTEX_UNLOCK(&threads_mutex); |
d9f997d7 | 312 | DEBUG_L(PerlIO_printf(PerlIO_stderr(), "perl_destruct: armageddon has arrived\n")); |
33f46ff6 | 313 | MUTEX_DESTROY(&threads_mutex); |
11343788 | 314 | COND_DESTROY(&nthreads_cond); |
0f15f207 | 315 | #endif /* !defined(FAKE_THREADS) */ |
11343788 MB |
316 | #endif /* USE_THREADS */ |
317 | ||
748a9306 | 318 | destruct_level = perl_destruct_level; |
4633a7c4 LW |
319 | #ifdef DEBUGGING |
320 | { | |
321 | char *s; | |
76e3520e | 322 | if (s = PerlEnv_getenv("PERL_DESTRUCT_LEVEL")) { |
5f05dabc | 323 | int i = atoi(s); |
324 | if (destruct_level < i) | |
325 | destruct_level = i; | |
326 | } | |
4633a7c4 LW |
327 | } |
328 | #endif | |
329 | ||
8990e307 | 330 | LEAVE; |
a0d0e21e LW |
331 | FREETMPS; |
332 | ||
cb68f92d GS |
333 | #ifdef MULTIPLICITY |
334 | --ninterps; | |
335 | #endif | |
336 | ||
ff0cee69 | 337 | /* We must account for everything. */ |
338 | ||
339 | /* Destroy the main CV and syntax tree */ | |
6e72f9df | 340 | if (main_root) { |
341 | curpad = AvARRAY(comppad); | |
342 | op_free(main_root); | |
ff0cee69 | 343 | main_root = Nullop; |
a0d0e21e | 344 | } |
bac4b2ad | 345 | curcop = &compiling; |
ff0cee69 | 346 | main_start = Nullop; |
347 | SvREFCNT_dec(main_cv); | |
348 | main_cv = Nullcv; | |
349 | ||
a0d0e21e LW |
350 | if (sv_objcount) { |
351 | /* | |
352 | * Try to destruct global references. We do this first so that the | |
353 | * destructors and destructees still exist. Some sv's might remain. | |
354 | * Non-referenced objects are on their own. | |
355 | */ | |
356 | ||
357 | dirty = TRUE; | |
358 | sv_clean_objs(); | |
8990e307 LW |
359 | } |
360 | ||
5cd24f17 | 361 | /* unhook hooks which will soon be, or use, destroyed data */ |
362 | SvREFCNT_dec(warnhook); | |
363 | warnhook = Nullsv; | |
364 | SvREFCNT_dec(diehook); | |
365 | diehook = Nullsv; | |
366 | SvREFCNT_dec(parsehook); | |
367 | parsehook = Nullsv; | |
368 | ||
4b556e6c JD |
369 | /* call exit list functions */ |
370 | while (exitlistlen-- > 0) | |
1d583055 | 371 | exitlist[exitlistlen].fn(PERL_OBJECT_THIS_ exitlist[exitlistlen].ptr); |
4b556e6c JD |
372 | |
373 | Safefree(exitlist); | |
374 | ||
a0d0e21e | 375 | if (destruct_level == 0){ |
8990e307 | 376 | |
a0d0e21e LW |
377 | DEBUG_P(debprofdump()); |
378 | ||
379 | /* The exit() function will do everything that needs doing. */ | |
380 | return; | |
381 | } | |
5dd60ef7 | 382 | |
5f05dabc | 383 | /* loosen bonds of global variables */ |
384 | ||
8ebc5c01 | 385 | if(rsfp) { |
386 | (void)PerlIO_close(rsfp); | |
387 | rsfp = Nullfp; | |
388 | } | |
389 | ||
390 | /* Filters for program text */ | |
391 | SvREFCNT_dec(rsfp_filters); | |
392 | rsfp_filters = Nullav; | |
393 | ||
394 | /* switches */ | |
395 | preprocess = FALSE; | |
396 | minus_n = FALSE; | |
397 | minus_p = FALSE; | |
398 | minus_l = FALSE; | |
399 | minus_a = FALSE; | |
400 | minus_F = FALSE; | |
401 | doswitches = FALSE; | |
402 | dowarn = FALSE; | |
403 | doextract = FALSE; | |
404 | sawampersand = FALSE; /* must save all match strings */ | |
405 | sawstudy = FALSE; /* do fbm_instr on all strings */ | |
406 | sawvec = FALSE; | |
407 | unsafe = FALSE; | |
408 | ||
409 | Safefree(inplace); | |
410 | inplace = Nullch; | |
411 | ||
afe37c7d GS |
412 | if (e_script) { |
413 | SvREFCNT_dec(e_script); | |
414 | e_script = Nullsv; | |
8ebc5c01 | 415 | } |
416 | ||
417 | /* magical thingies */ | |
418 | ||
419 | Safefree(ofs); /* $, */ | |
420 | ofs = Nullch; | |
5f05dabc | 421 | |
8ebc5c01 | 422 | Safefree(ors); /* $\ */ |
423 | ors = Nullch; | |
424 | ||
425 | SvREFCNT_dec(nrs); /* $\ helper */ | |
5f05dabc | 426 | nrs = Nullsv; |
427 | ||
8ebc5c01 | 428 | multiline = 0; /* $* */ |
5f05dabc | 429 | |
8ebc5c01 | 430 | SvREFCNT_dec(statname); |
5f05dabc | 431 | statname = Nullsv; |
432 | statgv = Nullgv; | |
5f05dabc | 433 | |
8ebc5c01 | 434 | /* defgv, aka *_ should be taken care of elsewhere */ |
435 | ||
8ebc5c01 | 436 | /* clean up after study() */ |
437 | SvREFCNT_dec(lastscream); | |
438 | lastscream = Nullsv; | |
439 | Safefree(screamfirst); | |
440 | screamfirst = 0; | |
441 | Safefree(screamnext); | |
442 | screamnext = 0; | |
443 | ||
444 | /* startup and shutdown function lists */ | |
445 | SvREFCNT_dec(beginav); | |
446 | SvREFCNT_dec(endav); | |
77a005ab | 447 | SvREFCNT_dec(initav); |
5618dfe8 | 448 | beginav = Nullav; |
5618dfe8 | 449 | endav = Nullav; |
77a005ab | 450 | initav = Nullav; |
5618dfe8 | 451 | |
8ebc5c01 | 452 | /* shortcuts just get cleared */ |
453 | envgv = Nullgv; | |
454 | siggv = Nullgv; | |
455 | incgv = Nullgv; | |
12f917ad | 456 | errgv = Nullgv; |
8ebc5c01 | 457 | argvgv = Nullgv; |
458 | argvoutgv = Nullgv; | |
459 | stdingv = Nullgv; | |
460 | last_in_gv = Nullgv; | |
ce862d02 | 461 | replgv = Nullgv; |
8ebc5c01 | 462 | |
463 | /* reset so print() ends up where we expect */ | |
464 | setdefout(Nullgv); | |
465 | ||
a0d0e21e | 466 | /* Prepare to destruct main symbol table. */ |
5f05dabc | 467 | |
a0d0e21e | 468 | hv = defstash; |
85e6fe83 | 469 | defstash = 0; |
a0d0e21e LW |
470 | SvREFCNT_dec(hv); |
471 | ||
472 | FREETMPS; | |
473 | if (destruct_level >= 2) { | |
474 | if (scopestack_ix != 0) | |
ff0cee69 | 475 | warn("Unbalanced scopes: %ld more ENTERs than LEAVEs\n", |
476 | (long)scopestack_ix); | |
a0d0e21e | 477 | if (savestack_ix != 0) |
ff0cee69 | 478 | warn("Unbalanced saves: %ld more saves than restores\n", |
479 | (long)savestack_ix); | |
a0d0e21e | 480 | if (tmps_floor != -1) |
ff0cee69 | 481 | warn("Unbalanced tmps: %ld more allocs than frees\n", |
482 | (long)tmps_floor + 1); | |
a0d0e21e | 483 | if (cxstack_ix != -1) |
ff0cee69 | 484 | warn("Unbalanced context: %ld more PUSHes than POPs\n", |
485 | (long)cxstack_ix + 1); | |
a0d0e21e | 486 | } |
8990e307 LW |
487 | |
488 | /* Now absolutely destruct everything, somehow or other, loops or no. */ | |
8990e307 | 489 | last_sv_count = 0; |
6e72f9df | 490 | SvFLAGS(strtab) |= SVTYPEMASK; /* don't clean out strtab now */ |
8990e307 LW |
491 | while (sv_count != 0 && sv_count != last_sv_count) { |
492 | last_sv_count = sv_count; | |
493 | sv_clean_all(); | |
494 | } | |
6e72f9df | 495 | SvFLAGS(strtab) &= ~SVTYPEMASK; |
496 | SvFLAGS(strtab) |= SVt_PVHV; | |
497 | ||
498 | /* Destruct the global string table. */ | |
499 | { | |
500 | /* Yell and reset the HeVAL() slots that are still holding refcounts, | |
501 | * so that sv_free() won't fail on them. | |
502 | */ | |
503 | I32 riter; | |
504 | I32 max; | |
505 | HE *hent; | |
506 | HE **array; | |
507 | ||
508 | riter = 0; | |
509 | max = HvMAX(strtab); | |
510 | array = HvARRAY(strtab); | |
511 | hent = array[0]; | |
512 | for (;;) { | |
513 | if (hent) { | |
514 | warn("Unbalanced string table refcount: (%d) for \"%s\"", | |
515 | HeVAL(hent) - Nullsv, HeKEY(hent)); | |
516 | HeVAL(hent) = Nullsv; | |
517 | hent = HeNEXT(hent); | |
518 | } | |
519 | if (!hent) { | |
520 | if (++riter > max) | |
521 | break; | |
522 | hent = array[riter]; | |
523 | } | |
524 | } | |
525 | } | |
526 | SvREFCNT_dec(strtab); | |
527 | ||
8990e307 | 528 | if (sv_count != 0) |
ff0cee69 | 529 | warn("Scalars leaked: %ld\n", (long)sv_count); |
6e72f9df | 530 | |
4633a7c4 | 531 | sv_free_arenas(); |
44a8e56a | 532 | |
533 | /* No SVs have survived, need to clean out */ | |
534 | linestr = NULL; | |
535 | pidstatus = Nullhv; | |
00db4c45 GS |
536 | Safefree(origfilename); |
537 | Safefree(archpat_auto); | |
538 | Safefree(reg_start_tmp); | |
539 | Safefree(HeKEY_hek(&hv_fetch_ent_mh)); | |
540 | Safefree(op_mask); | |
6e72f9df | 541 | nuke_stacks(); |
fc36a67e | 542 | hints = 0; /* Reset hints. Should hints be per-interpreter ? */ |
a0d0e21e LW |
543 | |
544 | DEBUG_P(debprofdump()); | |
11343788 MB |
545 | #ifdef USE_THREADS |
546 | MUTEX_DESTROY(&sv_mutex); | |
11343788 | 547 | MUTEX_DESTROY(&eval_mutex); |
c116a00c | 548 | COND_DESTROY(&eval_cond); |
fc36a67e | 549 | |
8023c3ce MB |
550 | /* As the penultimate thing, free the non-arena SV for thrsv */ |
551 | Safefree(SvPVX(thrsv)); | |
552 | Safefree(SvANY(thrsv)); | |
553 | Safefree(thrsv); | |
554 | thrsv = Nullsv; | |
555 | #endif /* USE_THREADS */ | |
556 | ||
fc36a67e | 557 | /* As the absolutely last thing, free the non-arena SV for mess() */ |
558 | ||
559 | if (mess_sv) { | |
560 | /* we know that type >= SVt_PV */ | |
561 | SvOOK_off(mess_sv); | |
562 | Safefree(SvPVX(mess_sv)); | |
563 | Safefree(SvANY(mess_sv)); | |
564 | Safefree(mess_sv); | |
565 | mess_sv = Nullsv; | |
566 | } | |
79072805 LW |
567 | } |
568 | ||
569 | void | |
76e3520e GS |
570 | #ifdef PERL_OBJECT |
571 | CPerlObj::perl_free(void) | |
572 | #else | |
8ac85365 | 573 | perl_free(PerlInterpreter *sv_interp) |
76e3520e | 574 | #endif |
79072805 | 575 | { |
76e3520e | 576 | #ifdef PERL_OBJECT |
565764a8 | 577 | Safefree(this); |
76e3520e | 578 | #else |
79072805 LW |
579 | if (!(curinterp = sv_interp)) |
580 | return; | |
581 | Safefree(sv_interp); | |
76e3520e | 582 | #endif |
79072805 LW |
583 | } |
584 | ||
4b556e6c | 585 | void |
873ef191 GS |
586 | #ifdef PERL_OBJECT |
587 | CPerlObj::perl_atexit(void (*fn) (CPerlObj*,void *), void *ptr) | |
588 | #else | |
4b556e6c | 589 | perl_atexit(void (*fn) (void *), void *ptr) |
873ef191 | 590 | #endif |
4b556e6c | 591 | { |
7614df0c | 592 | Renew(exitlist, exitlistlen+1, PerlExitListEntry); |
4b556e6c JD |
593 | exitlist[exitlistlen].fn = fn; |
594 | exitlist[exitlistlen].ptr = ptr; | |
595 | ++exitlistlen; | |
596 | } | |
597 | ||
79072805 | 598 | int |
76e3520e GS |
599 | #ifdef PERL_OBJECT |
600 | CPerlObj::perl_parse(void (*xsinit) (CPerlObj*), int argc, char **argv, char **env) | |
601 | #else | |
8ac85365 | 602 | perl_parse(PerlInterpreter *sv_interp, void (*xsinit) (void), int argc, char **argv, char **env) |
76e3520e | 603 | #endif |
8d063cd8 | 604 | { |
11343788 | 605 | dTHR; |
6224f72b GS |
606 | register SV *sv; |
607 | register char *s; | |
608 | char *scriptname = NULL; | |
609 | VOL bool dosearch = FALSE; | |
610 | char *validarg = ""; | |
611 | I32 oldscope; | |
612 | AV* comppadlist; | |
613 | dJMPENV; | |
614 | int ret; | |
615 | int fdscript = -1; | |
8d063cd8 | 616 | |
a687059c LW |
617 | #ifdef SETUID_SCRIPTS_ARE_SECURE_NOW |
618 | #ifdef IAMSUID | |
619 | #undef IAMSUID | |
463ee0b2 | 620 | croak("suidperl is no longer needed since the kernel can now execute\n\ |
a687059c LW |
621 | setuid perl scripts securely.\n"); |
622 | #endif | |
623 | #endif | |
624 | ||
76e3520e | 625 | #ifndef PERL_OBJECT |
79072805 LW |
626 | if (!(curinterp = sv_interp)) |
627 | return 255; | |
76e3520e | 628 | #endif |
79072805 | 629 | |
6e72f9df | 630 | #if defined(NeXT) && defined(__DYNAMIC__) |
631 | _dyld_lookup_and_bind | |
632 | ("__environ", (unsigned long *) &environ_pointer, NULL); | |
633 | #endif /* environ */ | |
634 | ||
ac58e20f LW |
635 | origargv = argv; |
636 | origargc = argc; | |
a0d0e21e | 637 | #ifndef VMS /* VMS doesn't have environ array */ |
fe14fcc3 | 638 | origenviron = environ; |
a0d0e21e LW |
639 | #endif |
640 | ||
641 | if (do_undump) { | |
642 | ||
643 | /* Come here if running an undumped a.out. */ | |
644 | ||
645 | origfilename = savepv(argv[0]); | |
646 | do_undump = FALSE; | |
647 | cxstack_ix = -1; /* start label stack again */ | |
748a9306 | 648 | init_ids(); |
a0d0e21e LW |
649 | init_postdump_symbols(argc,argv,env); |
650 | return 0; | |
651 | } | |
652 | ||
ff0cee69 | 653 | if (main_root) { |
654 | curpad = AvARRAY(comppad); | |
a0d0e21e | 655 | op_free(main_root); |
ff0cee69 | 656 | main_root = Nullop; |
657 | } | |
658 | main_start = Nullop; | |
659 | SvREFCNT_dec(main_cv); | |
660 | main_cv = Nullcv; | |
79072805 | 661 | |
f86702cc | 662 | time(&basetime); |
6224f72b | 663 | oldscope = scopestack_ix; |
f86702cc | 664 | |
6224f72b GS |
665 | JMPENV_PUSH(ret); |
666 | switch (ret) { | |
667 | case 1: | |
668 | STATUS_ALL_FAILURE; | |
669 | /* FALL THROUGH */ | |
670 | case 2: | |
671 | /* my_exit() was called */ | |
672 | while (scopestack_ix > oldscope) | |
673 | LEAVE; | |
674 | FREETMPS; | |
675 | curstash = defstash; | |
676 | if (endav) | |
677 | call_list(oldscope, endav); | |
678 | JMPENV_POP; | |
679 | return STATUS_NATIVE_EXPORT; | |
680 | case 3: | |
681 | JMPENV_POP; | |
682 | PerlIO_printf(PerlIO_stderr(), "panic: top_env\n"); | |
683 | return 1; | |
684 | } | |
79072805 | 685 | |
6224f72b GS |
686 | sv_setpvn(linestr,"",0); |
687 | sv = newSVpv("",0); /* first used for -I flags */ | |
688 | SAVEFREESV(sv); | |
689 | init_main_stash(); | |
54310121 | 690 | |
6224f72b GS |
691 | for (argc--,argv++; argc > 0; argc--,argv++) { |
692 | if (argv[0][0] != '-' || !argv[0][1]) | |
693 | break; | |
694 | #ifdef DOSUID | |
695 | if (*validarg) | |
696 | validarg = " PHOOEY "; | |
697 | else | |
698 | validarg = argv[0]; | |
13281fa4 | 699 | #endif |
6224f72b GS |
700 | s = argv[0]+1; |
701 | reswitch: | |
702 | switch (*s) { | |
703 | case ' ': | |
704 | case '0': | |
705 | case 'F': | |
706 | case 'a': | |
707 | case 'c': | |
708 | case 'd': | |
709 | case 'D': | |
710 | case 'h': | |
711 | case 'i': | |
712 | case 'l': | |
713 | case 'M': | |
714 | case 'm': | |
715 | case 'n': | |
716 | case 'p': | |
717 | case 's': | |
718 | case 'u': | |
719 | case 'U': | |
720 | case 'v': | |
721 | case 'w': | |
722 | if (s = moreswitches(s)) | |
723 | goto reswitch; | |
724 | break; | |
33b78306 | 725 | |
6224f72b GS |
726 | case 'T': |
727 | tainting = TRUE; | |
728 | s++; | |
729 | goto reswitch; | |
f86702cc | 730 | |
6224f72b GS |
731 | case 'e': |
732 | if (euid != uid || egid != gid) | |
733 | croak("No -e allowed in setuid scripts"); | |
734 | if (!e_script) { | |
735 | e_script = newSVpv("",0); | |
736 | filter_add(read_e_script, NULL); | |
737 | } | |
738 | if (*++s) | |
739 | sv_catpv(e_script, s); | |
740 | else if (argv[1]) { | |
741 | sv_catpv(e_script, argv[1]); | |
742 | argc--,argv++; | |
743 | } | |
744 | else | |
745 | croak("No code specified for -e"); | |
746 | sv_catpv(e_script, "\n"); | |
747 | break; | |
afe37c7d | 748 | |
6224f72b GS |
749 | case 'I': /* -I handled both here and in moreswitches() */ |
750 | forbid_setid("-I"); | |
751 | if (!*++s && (s=argv[1]) != Nullch) { | |
752 | argc--,argv++; | |
753 | } | |
754 | while (s && isSPACE(*s)) | |
755 | ++s; | |
756 | if (s && *s) { | |
757 | char *e, *p; | |
758 | for (e = s; *e && !isSPACE(*e); e++) ; | |
759 | p = savepvn(s, e-s); | |
760 | incpush(p, TRUE); | |
761 | sv_catpv(sv,"-I"); | |
762 | sv_catpv(sv,p); | |
763 | sv_catpv(sv," "); | |
764 | Safefree(p); | |
765 | } /* XXX else croak? */ | |
766 | break; | |
767 | case 'P': | |
768 | forbid_setid("-P"); | |
769 | preprocess = TRUE; | |
770 | s++; | |
771 | goto reswitch; | |
772 | case 'S': | |
773 | forbid_setid("-S"); | |
774 | dosearch = TRUE; | |
775 | s++; | |
776 | goto reswitch; | |
777 | case 'V': | |
778 | if (!preambleav) | |
779 | preambleav = newAV(); | |
780 | av_push(preambleav, newSVpv("use Config qw(myconfig config_vars)",0)); | |
781 | if (*++s != ':') { | |
782 | Sv = newSVpv("print myconfig();",0); | |
783 | #ifdef VMS | |
784 | sv_catpv(Sv,"print \"\\nCharacteristics of this PERLSHR image: \\n\","); | |
785 | #else | |
786 | sv_catpv(Sv,"print \"\\nCharacteristics of this binary (from libperl): \\n\","); | |
787 | #endif | |
788 | #if defined(DEBUGGING) || defined(NO_EMBED) || defined(MULTIPLICITY) | |
789 | sv_catpv(Sv,"\" Compile-time options:"); | |
790 | # ifdef DEBUGGING | |
791 | sv_catpv(Sv," DEBUGGING"); | |
792 | # endif | |
793 | # ifdef NO_EMBED | |
794 | sv_catpv(Sv," NO_EMBED"); | |
795 | # endif | |
796 | # ifdef MULTIPLICITY | |
797 | sv_catpv(Sv," MULTIPLICITY"); | |
798 | # endif | |
799 | sv_catpv(Sv,"\\n\","); | |
800 | #endif | |
801 | #if defined(LOCAL_PATCH_COUNT) | |
802 | if (LOCAL_PATCH_COUNT > 0) { | |
803 | int i; | |
804 | sv_catpv(Sv,"\" Locally applied patches:\\n\","); | |
805 | for (i = 1; i <= LOCAL_PATCH_COUNT; i++) { | |
806 | if (localpatches[i]) | |
807 | sv_catpvf(Sv,"\" \\t%s\\n\",",localpatches[i]); | |
808 | } | |
809 | } | |
810 | #endif | |
811 | sv_catpvf(Sv,"\" Built under %s\\n\"",OSNAME); | |
812 | #ifdef __DATE__ | |
813 | # ifdef __TIME__ | |
814 | sv_catpvf(Sv,",\" Compiled at %s %s\\n\"",__DATE__,__TIME__); | |
815 | # else | |
816 | sv_catpvf(Sv,",\" Compiled on %s\\n\"",__DATE__); | |
817 | # endif | |
818 | #endif | |
819 | sv_catpv(Sv, "; \ | |
820 | $\"=\"\\n \"; \ | |
821 | @env = map { \"$_=\\\"$ENV{$_}\\\"\" } sort grep {/^PERL/} keys %ENV; \ | |
822 | print \" \\%ENV:\\n @env\\n\" if @env; \ | |
823 | print \" \\@INC:\\n @INC\\n\";"); | |
824 | } | |
825 | else { | |
826 | Sv = newSVpv("config_vars(qw(",0); | |
827 | sv_catpv(Sv, ++s); | |
828 | sv_catpv(Sv, "))"); | |
829 | s += strlen(s); | |
830 | } | |
831 | av_push(preambleav, Sv); | |
832 | scriptname = BIT_BUCKET; /* don't look for script or read stdin */ | |
833 | goto reswitch; | |
834 | case 'x': | |
835 | doextract = TRUE; | |
836 | s++; | |
837 | if (*s) | |
838 | cddir = savepv(s); | |
839 | break; | |
840 | case 0: | |
841 | break; | |
842 | case '-': | |
843 | if (!*++s || isSPACE(*s)) { | |
844 | argc--,argv++; | |
845 | goto switch_end; | |
846 | } | |
847 | /* catch use of gnu style long options */ | |
848 | if (strEQ(s, "version")) { | |
849 | s = "v"; | |
850 | goto reswitch; | |
851 | } | |
852 | if (strEQ(s, "help")) { | |
853 | s = "h"; | |
854 | goto reswitch; | |
855 | } | |
856 | s--; | |
857 | /* FALL THROUGH */ | |
858 | default: | |
859 | croak("Unrecognized switch: -%s (-h will show valid options)",s); | |
8d063cd8 LW |
860 | } |
861 | } | |
6224f72b | 862 | switch_end: |
54310121 | 863 | |
6224f72b GS |
864 | if (!tainting && (s = PerlEnv_getenv("PERL5OPT"))) { |
865 | while (s && *s) { | |
866 | while (isSPACE(*s)) | |
867 | s++; | |
868 | if (*s == '-') { | |
869 | s++; | |
870 | if (isSPACE(*s)) | |
871 | continue; | |
872 | } | |
873 | if (!*s) | |
874 | break; | |
875 | if (!strchr("DIMUdmw", *s)) | |
876 | croak("Illegal switch in PERL5OPT: -%c", *s); | |
877 | s = moreswitches(s); | |
878 | } | |
879 | } | |
a0d0e21e | 880 | |
6224f72b GS |
881 | if (!scriptname) |
882 | scriptname = argv[0]; | |
883 | if (e_script) { | |
884 | argc++,argv--; | |
885 | scriptname = BIT_BUCKET; /* don't look for script or read stdin */ | |
886 | } | |
887 | else if (scriptname == Nullch) { | |
888 | #ifdef MSDOS | |
889 | if ( PerlLIO_isatty(PerlIO_fileno(PerlIO_stdin())) ) | |
890 | moreswitches("h"); | |
891 | #endif | |
892 | scriptname = "-"; | |
893 | } | |
894 | ||
895 | init_perllib(); | |
896 | ||
897 | open_script(scriptname,dosearch,sv,&fdscript); | |
898 | ||
899 | validate_suid(validarg, scriptname,fdscript); | |
900 | ||
901 | if (doextract) | |
902 | find_beginning(); | |
903 | ||
904 | main_cv = compcv = (CV*)NEWSV(1104,0); | |
905 | sv_upgrade((SV *)compcv, SVt_PVCV); | |
906 | CvUNIQUE_on(compcv); | |
907 | ||
908 | comppad = newAV(); | |
909 | av_push(comppad, Nullsv); | |
910 | curpad = AvARRAY(comppad); | |
911 | comppad_name = newAV(); | |
912 | comppad_name_fill = 0; | |
913 | min_intro_pending = 0; | |
914 | padix = 0; | |
915 | #ifdef USE_THREADS | |
916 | av_store(comppad_name, 0, newSVpv("@_", 2)); | |
917 | curpad[0] = (SV*)newAV(); | |
918 | SvPADMY_on(curpad[0]); /* XXX Needed? */ | |
919 | CvOWNER(compcv) = 0; | |
920 | New(666, CvMUTEXP(compcv), 1, perl_mutex); | |
921 | MUTEX_INIT(CvMUTEXP(compcv)); | |
922 | #endif /* USE_THREADS */ | |
923 | ||
924 | comppadlist = newAV(); | |
925 | AvREAL_off(comppadlist); | |
926 | av_store(comppadlist, 0, (SV*)comppad_name); | |
927 | av_store(comppadlist, 1, (SV*)comppad); | |
928 | CvPADLIST(compcv) = comppadlist; | |
929 | ||
930 | boot_core_UNIVERSAL(); | |
931 | ||
932 | if (xsinit) | |
933 | (*xsinit)(PERL_OBJECT_THIS); /* in case linked C routines want magical variables */ | |
934 | #if defined(VMS) || defined(WIN32) || defined(DJGPP) | |
935 | init_os_extras(); | |
936 | #endif | |
937 | ||
938 | init_predump_symbols(); | |
939 | /* init_postdump_symbols not currently designed to be called */ | |
940 | /* more than once (ENV isn't cleared first, for example) */ | |
941 | /* But running with -u leaves %ENV & @ARGV undefined! XXX */ | |
942 | if (!do_undump) | |
943 | init_postdump_symbols(argc,argv,env); | |
944 | ||
945 | init_lexer(); | |
946 | ||
947 | /* now parse the script */ | |
948 | ||
949 | SETERRNO(0,SS$_NORMAL); | |
950 | error_count = 0; | |
951 | if (yyparse() || error_count) { | |
952 | if (minus_c) | |
953 | croak("%s had compilation errors.\n", origfilename); | |
954 | else { | |
955 | croak("Execution of %s aborted due to compilation errors.\n", | |
956 | origfilename); | |
957 | } | |
958 | } | |
959 | curcop->cop_line = 0; | |
960 | curstash = defstash; | |
961 | preprocess = FALSE; | |
962 | if (e_script) { | |
963 | SvREFCNT_dec(e_script); | |
964 | e_script = Nullsv; | |
965 | } | |
966 | ||
967 | /* now that script is parsed, we can modify record separator */ | |
968 | SvREFCNT_dec(rs); | |
969 | rs = SvREFCNT_inc(nrs); | |
970 | sv_setsv(perl_get_sv("/", TRUE), rs); | |
971 | if (do_undump) | |
972 | my_unexec(); | |
973 | ||
974 | if (dowarn) | |
975 | gv_check(defstash); | |
976 | ||
977 | LEAVE; | |
978 | FREETMPS; | |
979 | ||
980 | #ifdef MYMALLOC | |
981 | if ((s=PerlEnv_getenv("PERL_DEBUG_MSTATS")) && atoi(s) >= 2) | |
982 | dump_mstats("after compilation:"); | |
983 | #endif | |
984 | ||
985 | ENTER; | |
986 | restartop = 0; | |
987 | JMPENV_POP; | |
988 | return 0; | |
989 | } | |
990 | ||
991 | int | |
992 | #ifdef PERL_OBJECT | |
993 | CPerlObj::perl_run(void) | |
994 | #else | |
995 | perl_run(PerlInterpreter *sv_interp) | |
996 | #endif | |
997 | { | |
998 | dSP; | |
999 | I32 oldscope; | |
1000 | dJMPENV; | |
1001 | int ret; | |
1002 | ||
1003 | #ifndef PERL_OBJECT | |
1004 | if (!(curinterp = sv_interp)) | |
1005 | return 255; | |
1006 | #endif | |
1007 | ||
1008 | oldscope = scopestack_ix; | |
1009 | ||
1010 | JMPENV_PUSH(ret); | |
1011 | switch (ret) { | |
1012 | case 1: | |
1013 | cxstack_ix = -1; /* start context stack again */ | |
1014 | break; | |
1015 | case 2: | |
1016 | /* my_exit() was called */ | |
1017 | while (scopestack_ix > oldscope) | |
1018 | LEAVE; | |
1019 | FREETMPS; | |
1020 | curstash = defstash; | |
1021 | if (endav) | |
1022 | call_list(oldscope, endav); | |
1023 | #ifdef MYMALLOC | |
1024 | if (PerlEnv_getenv("PERL_DEBUG_MSTATS")) | |
1025 | dump_mstats("after execution: "); | |
1026 | #endif | |
1027 | JMPENV_POP; | |
1028 | return STATUS_NATIVE_EXPORT; | |
1029 | case 3: | |
1030 | if (!restartop) { | |
1031 | PerlIO_printf(PerlIO_stderr(), "panic: restartop\n"); | |
1032 | FREETMPS; | |
1033 | JMPENV_POP; | |
1034 | return 1; | |
1035 | } | |
1036 | POPSTACK_TO(mainstack); | |
1037 | break; | |
1038 | } | |
1039 | ||
1040 | DEBUG_r(PerlIO_printf(Perl_debug_log, "%s $` $& $' support.\n", | |
1041 | sawampersand ? "Enabling" : "Omitting")); | |
1042 | ||
1043 | if (!restartop) { | |
1044 | DEBUG_x(dump_all()); | |
1045 | DEBUG(PerlIO_printf(Perl_debug_log, "\nEXECUTING...\n\n")); | |
1046 | #ifdef USE_THREADS | |
1047 | DEBUG_L(PerlIO_printf(Perl_debug_log, "main thread is 0x%lx\n", | |
1048 | (unsigned long) thr)); | |
1049 | #endif /* USE_THREADS */ | |
1050 | ||
1051 | if (minus_c) { | |
1052 | PerlIO_printf(PerlIO_stderr(), "%s syntax OK\n", origfilename); | |
1053 | my_exit(0); | |
1054 | } | |
1055 | if (PERLDB_SINGLE && DBsingle) | |
1056 | sv_setiv(DBsingle, 1); | |
1057 | if (initav) | |
1058 | call_list(oldscope, initav); | |
1059 | } | |
1060 | ||
1061 | /* do it */ | |
1062 | ||
1063 | if (restartop) { | |
1064 | op = restartop; | |
1065 | restartop = 0; | |
1066 | CALLRUNOPS(); | |
1067 | } | |
1068 | else if (main_start) { | |
1069 | CvDEPTH(main_cv) = 1; | |
1070 | op = main_start; | |
1071 | CALLRUNOPS(); | |
1072 | } | |
1073 | ||
1074 | my_exit(0); | |
1075 | /* NOTREACHED */ | |
1076 | return 0; | |
1077 | } | |
1078 | ||
1079 | SV* | |
1080 | perl_get_sv(char *name, I32 create) | |
1081 | { | |
1082 | GV *gv; | |
1083 | #ifdef USE_THREADS | |
1084 | if (name[1] == '\0' && !isALPHA(name[0])) { | |
1085 | PADOFFSET tmp = find_threadsv(name); | |
1086 | if (tmp != NOT_IN_PAD) { | |
1087 | dTHR; | |
1088 | return THREADSV(tmp); | |
1089 | } | |
1090 | } | |
1091 | #endif /* USE_THREADS */ | |
1092 | gv = gv_fetchpv(name, create, SVt_PV); | |
1093 | if (gv) | |
1094 | return GvSV(gv); | |
1095 | return Nullsv; | |
1096 | } | |
1097 | ||
1098 | AV* | |
1099 | perl_get_av(char *name, I32 create) | |
1100 | { | |
1101 | GV* gv = gv_fetchpv(name, create, SVt_PVAV); | |
1102 | if (create) | |
1103 | return GvAVn(gv); | |
1104 | if (gv) | |
1105 | return GvAV(gv); | |
1106 | return Nullav; | |
1107 | } | |
1108 | ||
1109 | HV* | |
1110 | perl_get_hv(char *name, I32 create) | |
1111 | { | |
a0d0e21e LW |
1112 | GV* gv = gv_fetchpv(name, create, SVt_PVHV); |
1113 | if (create) | |
1114 | return GvHVn(gv); | |
1115 | if (gv) | |
1116 | return GvHV(gv); | |
1117 | return Nullhv; | |
1118 | } | |
1119 | ||
1120 | CV* | |
8ac85365 | 1121 | perl_get_cv(char *name, I32 create) |
a0d0e21e LW |
1122 | { |
1123 | GV* gv = gv_fetchpv(name, create, SVt_PVCV); | |
8ebc5c01 | 1124 | if (create && !GvCVu(gv)) |
774d564b | 1125 | return newSUB(start_subparse(FALSE, 0), |
a0d0e21e | 1126 | newSVOP(OP_CONST, 0, newSVpv(name,0)), |
4633a7c4 | 1127 | Nullop, |
a0d0e21e LW |
1128 | Nullop); |
1129 | if (gv) | |
8ebc5c01 | 1130 | return GvCVu(gv); |
a0d0e21e LW |
1131 | return Nullcv; |
1132 | } | |
1133 | ||
79072805 LW |
1134 | /* Be sure to refetch the stack pointer after calling these routines. */ |
1135 | ||
a0d0e21e | 1136 | I32 |
22239a37 | 1137 | perl_call_argv(char *sub_name, I32 flags, register char **argv) |
8ac85365 NIS |
1138 | |
1139 | /* See G_* flags in cop.h */ | |
1140 | /* null terminated arg list */ | |
8990e307 | 1141 | { |
a0d0e21e | 1142 | dSP; |
8990e307 | 1143 | |
924508f0 | 1144 | PUSHMARK(SP); |
a0d0e21e | 1145 | if (argv) { |
8990e307 | 1146 | while (*argv) { |
a0d0e21e | 1147 | XPUSHs(sv_2mortal(newSVpv(*argv,0))); |
8990e307 LW |
1148 | argv++; |
1149 | } | |
a0d0e21e | 1150 | PUTBACK; |
8990e307 | 1151 | } |
22239a37 | 1152 | return perl_call_pv(sub_name, flags); |
8990e307 LW |
1153 | } |
1154 | ||
a0d0e21e | 1155 | I32 |
22239a37 | 1156 | perl_call_pv(char *sub_name, I32 flags) |
8ac85365 NIS |
1157 | /* name of the subroutine */ |
1158 | /* See G_* flags in cop.h */ | |
a0d0e21e | 1159 | { |
22239a37 | 1160 | return perl_call_sv((SV*)perl_get_cv(sub_name, TRUE), flags); |
a0d0e21e LW |
1161 | } |
1162 | ||
1163 | I32 | |
8ac85365 NIS |
1164 | perl_call_method(char *methname, I32 flags) |
1165 | /* name of the subroutine */ | |
1166 | /* See G_* flags in cop.h */ | |
a0d0e21e LW |
1167 | { |
1168 | dSP; | |
1169 | OP myop; | |
1170 | if (!op) | |
1171 | op = &myop; | |
1172 | XPUSHs(sv_2mortal(newSVpv(methname,0))); | |
1173 | PUTBACK; | |
11343788 | 1174 | pp_method(ARGS); |
6ff81951 GS |
1175 | if(op == &myop) |
1176 | op = Nullop; | |
a0d0e21e LW |
1177 | return perl_call_sv(*stack_sp--, flags); |
1178 | } | |
1179 | ||
1180 | /* May be called with any of a CV, a GV, or an SV containing the name. */ | |
1181 | I32 | |
8ac85365 NIS |
1182 | perl_call_sv(SV *sv, I32 flags) |
1183 | ||
1184 | /* See G_* flags in cop.h */ | |
a0d0e21e | 1185 | { |
924508f0 | 1186 | dSP; |
a0d0e21e | 1187 | LOGOP myop; /* fake syntax tree node */ |
aa689395 | 1188 | I32 oldmark; |
a0d0e21e | 1189 | I32 retval; |
a0d0e21e | 1190 | I32 oldscope; |
54310121 | 1191 | bool oldcatch = CATCH_GET; |
1192 | dJMPENV; | |
6224f72b | 1193 | int ret; |
d6602a8c | 1194 | OP* oldop = op; |
1e422769 | 1195 | |
a0d0e21e LW |
1196 | if (flags & G_DISCARD) { |
1197 | ENTER; | |
1198 | SAVETMPS; | |
1199 | } | |
1200 | ||
aa689395 | 1201 | Zero(&myop, 1, LOGOP); |
54310121 | 1202 | myop.op_next = Nullop; |
f51d4af5 | 1203 | if (!(flags & G_NOARGS)) |
aa689395 | 1204 | myop.op_flags |= OPf_STACKED; |
54310121 | 1205 | myop.op_flags |= ((flags & G_VOID) ? OPf_WANT_VOID : |
1206 | (flags & G_ARRAY) ? OPf_WANT_LIST : | |
1207 | OPf_WANT_SCALAR); | |
462e5cf6 | 1208 | SAVEOP(); |
a0d0e21e | 1209 | op = (OP*)&myop; |
aa689395 | 1210 | |
a0d0e21e LW |
1211 | EXTEND(stack_sp, 1); |
1212 | *++stack_sp = sv; | |
aa689395 | 1213 | oldmark = TOPMARK; |
a0d0e21e LW |
1214 | oldscope = scopestack_ix; |
1215 | ||
84902520 | 1216 | if (PERLDB_SUB && curstash != debstash |
36477c24 | 1217 | /* Handle first BEGIN of -d. */ |
1218 | && (DBcv || (DBcv = GvCV(DBsub))) | |
1219 | /* Try harder, since this may have been a sighandler, thus | |
1220 | * curstash may be meaningless. */ | |
491527d0 GS |
1221 | && (SvTYPE(sv) != SVt_PVCV || CvSTASH((CV*)sv) != debstash) |
1222 | && !(flags & G_NODEBUG)) | |
6e72f9df | 1223 | op->op_private |= OPpENTERSUB_DB; |
a0d0e21e LW |
1224 | |
1225 | if (flags & G_EVAL) { | |
a0d0e21e LW |
1226 | cLOGOP->op_other = op; |
1227 | markstack_ptr--; | |
4633a7c4 LW |
1228 | /* we're trying to emulate pp_entertry() here */ |
1229 | { | |
c09156bb | 1230 | register PERL_CONTEXT *cx; |
54310121 | 1231 | I32 gimme = GIMME_V; |
4633a7c4 LW |
1232 | |
1233 | ENTER; | |
1234 | SAVETMPS; | |
1235 | ||
1236 | push_return(op->op_next); | |
1237 | PUSHBLOCK(cx, CXt_EVAL, stack_sp); | |
1238 | PUSHEVAL(cx, 0, 0); | |
1239 | eval_root = op; /* Only needed so that goto works right. */ | |
1240 | ||
1241 | in_eval = 1; | |
1242 | if (flags & G_KEEPERR) | |
1243 | in_eval |= 4; | |
1244 | else | |
38a03e6e | 1245 | sv_setpv(ERRSV,""); |
4633a7c4 | 1246 | } |
a0d0e21e LW |
1247 | markstack_ptr++; |
1248 | ||
6224f72b GS |
1249 | JMPENV_PUSH(ret); |
1250 | switch (ret) { | |
1251 | case 0: | |
a0d0e21e | 1252 | break; |
6224f72b | 1253 | case 1: |
f86702cc | 1254 | STATUS_ALL_FAILURE; |
a0d0e21e | 1255 | /* FALL THROUGH */ |
6224f72b | 1256 | case 2: |
a0d0e21e LW |
1257 | /* my_exit() was called */ |
1258 | curstash = defstash; | |
1259 | FREETMPS; | |
54310121 | 1260 | JMPENV_POP; |
a0d0e21e LW |
1261 | if (statusvalue) |
1262 | croak("Callback called exit"); | |
f86702cc | 1263 | my_exit_jump(); |
a0d0e21e | 1264 | /* NOTREACHED */ |
6224f72b | 1265 | case 3: |
a0d0e21e LW |
1266 | if (restartop) { |
1267 | op = restartop; | |
1268 | restartop = 0; | |
54310121 | 1269 | break; |
a0d0e21e LW |
1270 | } |
1271 | stack_sp = stack_base + oldmark; | |
1272 | if (flags & G_ARRAY) | |
1273 | retval = 0; | |
1274 | else { | |
1275 | retval = 1; | |
1276 | *++stack_sp = &sv_undef; | |
1277 | } | |
1278 | goto cleanup; | |
1279 | } | |
1280 | } | |
1e422769 | 1281 | else |
54310121 | 1282 | CATCH_SET(TRUE); |
a0d0e21e LW |
1283 | |
1284 | if (op == (OP*)&myop) | |
11343788 | 1285 | op = pp_entersub(ARGS); |
a0d0e21e | 1286 | if (op) |
76e3520e | 1287 | CALLRUNOPS(); |
a0d0e21e | 1288 | retval = stack_sp - (stack_base + oldmark); |
4633a7c4 | 1289 | if ((flags & G_EVAL) && !(flags & G_KEEPERR)) |
38a03e6e | 1290 | sv_setpv(ERRSV,""); |
a0d0e21e LW |
1291 | |
1292 | cleanup: | |
1293 | if (flags & G_EVAL) { | |
1294 | if (scopestack_ix > oldscope) { | |
a0a2876f LW |
1295 | SV **newsp; |
1296 | PMOP *newpm; | |
1297 | I32 gimme; | |
c09156bb | 1298 | register PERL_CONTEXT *cx; |
a0a2876f LW |
1299 | I32 optype; |
1300 | ||
1301 | POPBLOCK(cx,newpm); | |
1302 | POPEVAL(cx); | |
1303 | pop_return(); | |
1304 | curpm = newpm; | |
1305 | LEAVE; | |
a0d0e21e | 1306 | } |
54310121 | 1307 | JMPENV_POP; |
a0d0e21e | 1308 | } |
1e422769 | 1309 | else |
54310121 | 1310 | CATCH_SET(oldcatch); |
1e422769 | 1311 | |
a0d0e21e LW |
1312 | if (flags & G_DISCARD) { |
1313 | stack_sp = stack_base + oldmark; | |
1314 | retval = 0; | |
1315 | FREETMPS; | |
1316 | LEAVE; | |
1317 | } | |
d6602a8c | 1318 | op = oldop; |
a0d0e21e LW |
1319 | return retval; |
1320 | } | |
1321 | ||
6e72f9df | 1322 | /* Eval a string. The G_EVAL flag is always assumed. */ |
8990e307 | 1323 | |
a0d0e21e | 1324 | I32 |
8ac85365 NIS |
1325 | perl_eval_sv(SV *sv, I32 flags) |
1326 | ||
1327 | /* See G_* flags in cop.h */ | |
a0d0e21e | 1328 | { |
924508f0 | 1329 | dSP; |
a0d0e21e | 1330 | UNOP myop; /* fake syntax tree node */ |
924508f0 | 1331 | I32 oldmark = SP - stack_base; |
4633a7c4 | 1332 | I32 retval; |
4633a7c4 | 1333 | I32 oldscope; |
54310121 | 1334 | dJMPENV; |
6224f72b | 1335 | int ret; |
84902520 TB |
1336 | OP* oldop = op; |
1337 | ||
4633a7c4 LW |
1338 | if (flags & G_DISCARD) { |
1339 | ENTER; | |
1340 | SAVETMPS; | |
1341 | } | |
1342 | ||
462e5cf6 | 1343 | SAVEOP(); |
79072805 | 1344 | op = (OP*)&myop; |
a0d0e21e | 1345 | Zero(op, 1, UNOP); |
4633a7c4 LW |
1346 | EXTEND(stack_sp, 1); |
1347 | *++stack_sp = sv; | |
1348 | oldscope = scopestack_ix; | |
79072805 | 1349 | |
4633a7c4 LW |
1350 | if (!(flags & G_NOARGS)) |
1351 | myop.op_flags = OPf_STACKED; | |
79072805 | 1352 | myop.op_next = Nullop; |
6e72f9df | 1353 | myop.op_type = OP_ENTEREVAL; |
54310121 | 1354 | myop.op_flags |= ((flags & G_VOID) ? OPf_WANT_VOID : |
1355 | (flags & G_ARRAY) ? OPf_WANT_LIST : | |
1356 | OPf_WANT_SCALAR); | |
6e72f9df | 1357 | if (flags & G_KEEPERR) |
1358 | myop.op_flags |= OPf_SPECIAL; | |
4633a7c4 | 1359 | |
6224f72b GS |
1360 | JMPENV_PUSH(ret); |
1361 | switch (ret) { | |
1362 | case 0: | |
4633a7c4 | 1363 | break; |
6224f72b | 1364 | case 1: |
f86702cc | 1365 | STATUS_ALL_FAILURE; |
4633a7c4 | 1366 | /* FALL THROUGH */ |
6224f72b | 1367 | case 2: |
4633a7c4 LW |
1368 | /* my_exit() was called */ |
1369 | curstash = defstash; | |
1370 | FREETMPS; | |
54310121 | 1371 | JMPENV_POP; |
4633a7c4 LW |
1372 | if (statusvalue) |
1373 | croak("Callback called exit"); | |
f86702cc | 1374 | my_exit_jump(); |
4633a7c4 | 1375 | /* NOTREACHED */ |
6224f72b | 1376 | case 3: |
4633a7c4 LW |
1377 | if (restartop) { |
1378 | op = restartop; | |
1379 | restartop = 0; | |
54310121 | 1380 | break; |
4633a7c4 LW |
1381 | } |
1382 | stack_sp = stack_base + oldmark; | |
1383 | if (flags & G_ARRAY) | |
1384 | retval = 0; | |
1385 | else { | |
1386 | retval = 1; | |
1387 | *++stack_sp = &sv_undef; | |
1388 | } | |
1389 | goto cleanup; | |
1390 | } | |
1391 | ||
1392 | if (op == (OP*)&myop) | |
11343788 | 1393 | op = pp_entereval(ARGS); |
4633a7c4 | 1394 | if (op) |
76e3520e | 1395 | CALLRUNOPS(); |
4633a7c4 | 1396 | retval = stack_sp - (stack_base + oldmark); |
6e72f9df | 1397 | if (!(flags & G_KEEPERR)) |
38a03e6e | 1398 | sv_setpv(ERRSV,""); |
4633a7c4 LW |
1399 | |
1400 | cleanup: | |
54310121 | 1401 | JMPENV_POP; |
4633a7c4 LW |
1402 | if (flags & G_DISCARD) { |
1403 | stack_sp = stack_base + oldmark; | |
1404 | retval = 0; | |
1405 | FREETMPS; | |
1406 | LEAVE; | |
1407 | } | |
84902520 | 1408 | op = oldop; |
4633a7c4 LW |
1409 | return retval; |
1410 | } | |
1411 | ||
137443ea | 1412 | SV* |
8ac85365 | 1413 | perl_eval_pv(char *p, I32 croak_on_error) |
137443ea | 1414 | { |
1415 | dSP; | |
1416 | SV* sv = newSVpv(p, 0); | |
1417 | ||
924508f0 | 1418 | PUSHMARK(SP); |
137443ea | 1419 | perl_eval_sv(sv, G_SCALAR); |
1420 | SvREFCNT_dec(sv); | |
1421 | ||
1422 | SPAGAIN; | |
1423 | sv = POPs; | |
1424 | PUTBACK; | |
1425 | ||
38a03e6e MB |
1426 | if (croak_on_error && SvTRUE(ERRSV)) |
1427 | croak(SvPVx(ERRSV, na)); | |
137443ea | 1428 | |
1429 | return sv; | |
1430 | } | |
1431 | ||
4633a7c4 LW |
1432 | /* Require a module. */ |
1433 | ||
1434 | void | |
8ac85365 | 1435 | perl_require_pv(char *pv) |
4633a7c4 LW |
1436 | { |
1437 | SV* sv = sv_newmortal(); | |
1438 | sv_setpv(sv, "require '"); | |
1439 | sv_catpv(sv, pv); | |
1440 | sv_catpv(sv, "'"); | |
1441 | perl_eval_sv(sv, G_DISCARD); | |
79072805 LW |
1442 | } |
1443 | ||
79072805 | 1444 | void |
8ac85365 | 1445 | magicname(char *sym, char *name, I32 namlen) |
79072805 LW |
1446 | { |
1447 | register GV *gv; | |
1448 | ||
85e6fe83 | 1449 | if (gv = gv_fetchpv(sym,TRUE, SVt_PV)) |
79072805 LW |
1450 | sv_magic(GvSV(gv), (SV*)gv, 0, name, namlen); |
1451 | } | |
1452 | ||
76e3520e | 1453 | STATIC void |
8ac85365 NIS |
1454 | usage(char *name) /* XXX move this out into a module ? */ |
1455 | ||
4633a7c4 | 1456 | { |
ab821d7f | 1457 | /* This message really ought to be max 23 lines. |
1458 | * Removed -h because the user already knows that opton. Others? */ | |
fb73857a | 1459 | |
76e3520e | 1460 | static char *usage_msg[] = { |
fb73857a | 1461 | "-0[octal] specify record separator (\\0, if no argument)", |
1462 | "-a autosplit mode with -n or -p (splits $_ into @F)", | |
1463 | "-c check syntax only (runs BEGIN and END blocks)", | |
1464 | "-d[:debugger] run scripts under debugger", | |
1465 | "-D[number/list] set debugging flags (argument is a bit mask or flags)", | |
1466 | "-e 'command' one line of script. Several -e's allowed. Omit [programfile].", | |
1467 | "-F/pattern/ split() pattern for autosplit (-a). The //'s are optional.", | |
1468 | "-i[extension] edit <> files in place (make backup if extension supplied)", | |
1469 | "-Idirectory specify @INC/#include directory (may be used more than once)", | |
1470 | "-l[octal] enable line ending processing, specifies line terminator", | |
1471 | "-[mM][-]module.. executes `use/no module...' before executing your script.", | |
1472 | "-n assume 'while (<>) { ... }' loop around your script", | |
1473 | "-p assume loop like -n but print line also like sed", | |
1474 | "-P run script through C preprocessor before compilation", | |
1475 | "-s enable some switch parsing for switches after script name", | |
1476 | "-S look for the script using PATH environment variable", | |
1477 | "-T turn on tainting checks", | |
1478 | "-u dump core after parsing script", | |
1479 | "-U allow unsafe operations", | |
95103687 | 1480 | "-v print version number, patchlevel plus VERY IMPORTANT perl info", |
fb73857a | 1481 | "-V[:variable] print perl configuration information", |
1482 | "-w TURN WARNINGS ON FOR COMPILATION OF YOUR SCRIPT. Recommended.", | |
1483 | "-x[directory] strip off text before #!perl line and perhaps cd to directory", | |
1484 | "\n", | |
1485 | NULL | |
1486 | }; | |
76e3520e | 1487 | char **p = usage_msg; |
fb73857a | 1488 | |
ab821d7f | 1489 | printf("\nUsage: %s [switches] [--] [programfile] [arguments]", name); |
fb73857a | 1490 | while (*p) |
1491 | printf("\n %s", *p++); | |
4633a7c4 LW |
1492 | } |
1493 | ||
79072805 LW |
1494 | /* This routine handles any switches that can be given during run */ |
1495 | ||
1496 | char * | |
8ac85365 | 1497 | moreswitches(char *s) |
79072805 LW |
1498 | { |
1499 | I32 numlen; | |
c07a80fd | 1500 | U32 rschar; |
79072805 LW |
1501 | |
1502 | switch (*s) { | |
1503 | case '0': | |
a863c7d1 MB |
1504 | { |
1505 | dTHR; | |
c07a80fd | 1506 | rschar = scan_oct(s, 4, &numlen); |
1507 | SvREFCNT_dec(nrs); | |
1508 | if (rschar & ~((U8)~0)) | |
1509 | nrs = &sv_undef; | |
1510 | else if (!rschar && numlen >= 2) | |
1511 | nrs = newSVpv("", 0); | |
1512 | else { | |
1513 | char ch = rschar; | |
1514 | nrs = newSVpv(&ch, 1); | |
79072805 LW |
1515 | } |
1516 | return s + numlen; | |
a863c7d1 | 1517 | } |
2304df62 AD |
1518 | case 'F': |
1519 | minus_F = TRUE; | |
a0d0e21e | 1520 | splitstr = savepv(s + 1); |
2304df62 AD |
1521 | s += strlen(s); |
1522 | return s; | |
79072805 LW |
1523 | case 'a': |
1524 | minus_a = TRUE; | |
1525 | s++; | |
1526 | return s; | |
1527 | case 'c': | |
1528 | minus_c = TRUE; | |
1529 | s++; | |
1530 | return s; | |
1531 | case 'd': | |
bbce6d69 | 1532 | forbid_setid("-d"); |
4633a7c4 | 1533 | s++; |
c07a80fd | 1534 | if (*s == ':' || *s == '=') { |
46fc3d4c | 1535 | my_setenv("PERL5DB", form("use Devel::%s;", ++s)); |
4633a7c4 | 1536 | s += strlen(s); |
4633a7c4 | 1537 | } |
a0d0e21e | 1538 | if (!perldb) { |
84902520 | 1539 | perldb = PERLDB_ALL; |
a0d0e21e LW |
1540 | init_debugger(); |
1541 | } | |
79072805 LW |
1542 | return s; |
1543 | case 'D': | |
1544 | #ifdef DEBUGGING | |
bbce6d69 | 1545 | forbid_setid("-D"); |
79072805 | 1546 | if (isALPHA(s[1])) { |
8990e307 | 1547 | static char debopts[] = "psltocPmfrxuLHXD"; |
79072805 LW |
1548 | char *d; |
1549 | ||
93a17b20 | 1550 | for (s++; *s && (d = strchr(debopts,*s)); s++) |
79072805 LW |
1551 | debug |= 1 << (d - debopts); |
1552 | } | |
1553 | else { | |
1554 | debug = atoi(s+1); | |
1555 | for (s++; isDIGIT(*s); s++) ; | |
1556 | } | |
8990e307 | 1557 | debug |= 0x80000000; |
79072805 LW |
1558 | #else |
1559 | warn("Recompile perl with -DDEBUGGING to use -D switch\n"); | |
a0d0e21e | 1560 | for (s++; isALNUM(*s); s++) ; |
79072805 LW |
1561 | #endif |
1562 | /*SUPPRESS 530*/ | |
1563 | return s; | |
4633a7c4 LW |
1564 | case 'h': |
1565 | usage(origargv[0]); | |
6ad3d225 | 1566 | PerlProc_exit(0); |
79072805 LW |
1567 | case 'i': |
1568 | if (inplace) | |
1569 | Safefree(inplace); | |
a0d0e21e | 1570 | inplace = savepv(s+1); |
79072805 LW |
1571 | /*SUPPRESS 530*/ |
1572 | for (s = inplace; *s && !isSPACE(*s); s++) ; | |
7b8d334a | 1573 | if (*s) { |
fb73857a | 1574 | *s++ = '\0'; |
7b8d334a GS |
1575 | if (*s == '-') /* Additional switches on #! line. */ |
1576 | s++; | |
1577 | } | |
fb73857a | 1578 | return s; |
1579 | case 'I': /* -I handled both here and in parse_perl() */ | |
bbce6d69 | 1580 | forbid_setid("-I"); |
fb73857a | 1581 | ++s; |
1582 | while (*s && isSPACE(*s)) | |
1583 | ++s; | |
1584 | if (*s) { | |
774d564b | 1585 | char *e, *p; |
748a9306 | 1586 | for (e = s; *e && !isSPACE(*e); e++) ; |
774d564b | 1587 | p = savepvn(s, e-s); |
1588 | incpush(p, TRUE); | |
1589 | Safefree(p); | |
fb73857a | 1590 | s = e; |
79072805 LW |
1591 | } |
1592 | else | |
463ee0b2 | 1593 | croak("No space allowed after -I"); |
fb73857a | 1594 | return s; |
79072805 LW |
1595 | case 'l': |
1596 | minus_l = TRUE; | |
1597 | s++; | |
a0d0e21e LW |
1598 | if (ors) |
1599 | Safefree(ors); | |
79072805 | 1600 | if (isDIGIT(*s)) { |
a0d0e21e | 1601 | ors = savepv("\n"); |
79072805 LW |
1602 | orslen = 1; |
1603 | *ors = scan_oct(s, 3 + (*s == '0'), &numlen); | |
1604 | s += numlen; | |
1605 | } | |
1606 | else { | |
a863c7d1 | 1607 | dTHR; |
c07a80fd | 1608 | if (RsPARA(nrs)) { |
6e72f9df | 1609 | ors = "\n\n"; |
c07a80fd | 1610 | orslen = 2; |
1611 | } | |
1612 | else | |
1613 | ors = SvPV(nrs, orslen); | |
6e72f9df | 1614 | ors = savepvn(ors, orslen); |
79072805 LW |
1615 | } |
1616 | return s; | |
1a30305b | 1617 | case 'M': |
bbce6d69 | 1618 | forbid_setid("-M"); /* XXX ? */ |
1a30305b | 1619 | /* FALL THROUGH */ |
1620 | case 'm': | |
bbce6d69 | 1621 | forbid_setid("-m"); /* XXX ? */ |
1a30305b | 1622 | if (*++s) { |
a5f75d66 | 1623 | char *start; |
11343788 | 1624 | SV *sv; |
a5f75d66 AD |
1625 | char *use = "use "; |
1626 | /* -M-foo == 'no foo' */ | |
1627 | if (*s == '-') { use = "no "; ++s; } | |
11343788 | 1628 | sv = newSVpv(use,0); |
a5f75d66 | 1629 | start = s; |
1a30305b | 1630 | /* We allow -M'Module qw(Foo Bar)' */ |
c07a80fd | 1631 | while(isALNUM(*s) || *s==':') ++s; |
1632 | if (*s != '=') { | |
11343788 | 1633 | sv_catpv(sv, start); |
c07a80fd | 1634 | if (*(start-1) == 'm') { |
1635 | if (*s != '\0') | |
1636 | croak("Can't use '%c' after -mname", *s); | |
11343788 | 1637 | sv_catpv( sv, " ()"); |
c07a80fd | 1638 | } |
1639 | } else { | |
11343788 MB |
1640 | sv_catpvn(sv, start, s-start); |
1641 | sv_catpv(sv, " split(/,/,q{"); | |
1642 | sv_catpv(sv, ++s); | |
1643 | sv_catpv(sv, "})"); | |
c07a80fd | 1644 | } |
1a30305b | 1645 | s += strlen(s); |
c07a80fd | 1646 | if (preambleav == NULL) |
1647 | preambleav = newAV(); | |
11343788 | 1648 | av_push(preambleav, sv); |
1a30305b | 1649 | } |
1650 | else | |
1651 | croak("No space allowed after -%c", *(s-1)); | |
1652 | return s; | |
79072805 LW |
1653 | case 'n': |
1654 | minus_n = TRUE; | |
1655 | s++; | |
1656 | return s; | |
1657 | case 'p': | |
1658 | minus_p = TRUE; | |
1659 | s++; | |
1660 | return s; | |
1661 | case 's': | |
bbce6d69 | 1662 | forbid_setid("-s"); |
79072805 LW |
1663 | doswitches = TRUE; |
1664 | s++; | |
1665 | return s; | |
463ee0b2 | 1666 | case 'T': |
f86702cc | 1667 | if (!tainting) |
9607fc9c | 1668 | croak("Too late for \"-T\" option"); |
463ee0b2 LW |
1669 | s++; |
1670 | return s; | |
79072805 LW |
1671 | case 'u': |
1672 | do_undump = TRUE; | |
1673 | s++; | |
1674 | return s; | |
1675 | case 'U': | |
1676 | unsafe = TRUE; | |
1677 | s++; | |
1678 | return s; | |
1679 | case 'v': | |
a5f75d66 | 1680 | #if defined(SUBVERSION) && SUBVERSION > 0 |
fb73857a | 1681 | printf("\nThis is perl, version 5.%03d_%02d built for %s", |
1682 | PATCHLEVEL, SUBVERSION, ARCHNAME); | |
a5f75d66 | 1683 | #else |
fb73857a | 1684 | printf("\nThis is perl, version %s built for %s", |
1685 | patchlevel, ARCHNAME); | |
1686 | #endif | |
1687 | #if defined(LOCAL_PATCH_COUNT) | |
1688 | if (LOCAL_PATCH_COUNT > 0) | |
1689 | printf("\n(with %d registered patch%s, see perl -V for more detail)", | |
1690 | LOCAL_PATCH_COUNT, (LOCAL_PATCH_COUNT!=1) ? "es" : ""); | |
a5f75d66 | 1691 | #endif |
1a30305b | 1692 | |
a411490c | 1693 | printf("\n\nCopyright 1987-1998, Larry Wall\n"); |
79072805 | 1694 | #ifdef MSDOS |
fb73857a | 1695 | printf("\nMS-DOS port Copyright (c) 1989, 1990, Diomidis Spinellis\n"); |
55497cff | 1696 | #endif |
1697 | #ifdef DJGPP | |
1698 | printf("djgpp v2 port (jpl5003c) by Hirofumi Watanabe, 1996\n"); | |
9731c6ca | 1699 | printf("djgpp v2 port (perl5004+) by Laszlo Molnar, 1997-1998\n"); |
4633a7c4 | 1700 | #endif |
79072805 | 1701 | #ifdef OS2 |
5dd60ef7 | 1702 | printf("\n\nOS/2 port Copyright (c) 1990, 1991, Raymond Chen, Kai Uwe Rommel\n" |
a411490c | 1703 | "Version 5 port Copyright (c) 1994-1998, Andreas Kaiser, Ilya Zakharevich\n"); |
79072805 | 1704 | #endif |
79072805 | 1705 | #ifdef atarist |
760ac839 | 1706 | printf("atariST series port, ++jrb bammi@cadence.com\n"); |
79072805 | 1707 | #endif |
760ac839 | 1708 | printf("\n\ |
79072805 | 1709 | Perl may be copied only under the terms of either the Artistic License or the\n\ |
95103687 GS |
1710 | GNU General Public License, which may be found in the Perl 5.0 source kit.\n\n\ |
1711 | Complete documentation for Perl, including FAQ lists, should be found on\n\ | |
1712 | this system using `man perl' or `perldoc perl'. If you have access to the\n\ | |
1713 | Internet, point your browser at http://www.perl.com/, the Perl Home Page.\n\n"); | |
6ad3d225 | 1714 | PerlProc_exit(0); |
79072805 LW |
1715 | case 'w': |
1716 | dowarn = TRUE; | |
1717 | s++; | |
1718 | return s; | |
a0d0e21e | 1719 | case '*': |
79072805 LW |
1720 | case ' ': |
1721 | if (s[1] == '-') /* Additional switches on #! line. */ | |
1722 | return s+2; | |
1723 | break; | |
a0d0e21e | 1724 | case '-': |
79072805 | 1725 | case 0: |
a868473f NIS |
1726 | #ifdef WIN32 |
1727 | case '\r': | |
1728 | #endif | |
79072805 LW |
1729 | case '\n': |
1730 | case '\t': | |
1731 | break; | |
aa689395 | 1732 | #ifdef ALTERNATE_SHEBANG |
1733 | case 'S': /* OS/2 needs -S on "extproc" line. */ | |
1734 | break; | |
1735 | #endif | |
a0d0e21e LW |
1736 | case 'P': |
1737 | if (preprocess) | |
1738 | return s+1; | |
1739 | /* FALL THROUGH */ | |
79072805 | 1740 | default: |
a0d0e21e | 1741 | croak("Can't emulate -%.1s on #! line",s); |
79072805 LW |
1742 | } |
1743 | return Nullch; | |
1744 | } | |
1745 | ||
1746 | /* compliments of Tom Christiansen */ | |
1747 | ||
1748 | /* unexec() can be found in the Gnu emacs distribution */ | |
ee580363 | 1749 | /* Known to work with -DUNEXEC and using unexelf.c from GNU emacs-20.2 */ |
79072805 LW |
1750 | |
1751 | void | |
8ac85365 | 1752 | my_unexec(void) |
79072805 LW |
1753 | { |
1754 | #ifdef UNEXEC | |
46fc3d4c | 1755 | SV* prog; |
1756 | SV* file; | |
ee580363 | 1757 | int status = 1; |
79072805 LW |
1758 | extern int etext; |
1759 | ||
ee580363 | 1760 | prog = newSVpv(BIN_EXP, 0); |
46fc3d4c | 1761 | sv_catpv(prog, "/perl"); |
ee580363 | 1762 | file = newSVpv(origfilename, 0); |
46fc3d4c | 1763 | sv_catpv(file, ".perldump"); |
79072805 | 1764 | |
ee580363 GS |
1765 | unexec(SvPVX(file), SvPVX(prog), &etext, sbrk(0), 0); |
1766 | /* unexec prints msg to stderr in case of failure */ | |
6ad3d225 | 1767 | PerlProc_exit(status); |
79072805 | 1768 | #else |
a5f75d66 AD |
1769 | # ifdef VMS |
1770 | # include <lib$routines.h> | |
1771 | lib$signal(SS$_DEBUG); /* ssdef.h #included from vmsish.h */ | |
aa689395 | 1772 | # else |
79072805 | 1773 | ABORT(); /* for use with undump */ |
aa689395 | 1774 | # endif |
a5f75d66 | 1775 | #endif |
79072805 LW |
1776 | } |
1777 | ||
cb68f92d GS |
1778 | /* initialize curinterp */ |
1779 | STATIC void | |
1780 | init_interp(void) | |
1781 | { | |
1782 | ||
1783 | #if 0 | |
1784 | #define I_REINIT \ | |
1785 | STMT_START { \ | |
1786 | chopset = " \n-"; \ | |
1787 | copline = NOLINE; \ | |
1788 | curcop = &compiling; \ | |
1789 | curcopdb = NULL; \ | |
1790 | dbargs = 0; \ | |
1791 | dlmax = 128; \ | |
1792 | laststatval = -1; \ | |
1793 | laststype = OP_STAT; \ | |
1794 | maxscream = -1; \ | |
1795 | maxsysfd = MAXSYSFD; \ | |
1796 | statname = Nullsv; \ | |
1797 | tmps_floor = -1; \ | |
1798 | tmps_ix = -1; \ | |
1799 | op_mask = NULL; \ | |
1800 | dlmax = 128; \ | |
1801 | laststatval = -1; \ | |
1802 | laststype = OP_STAT; \ | |
1803 | mess_sv = Nullsv; \ | |
1804 | splitstr = " "; \ | |
1805 | generation = 100; \ | |
1806 | exitlist = NULL; \ | |
1807 | exitlistlen = 0; \ | |
1808 | regindent = 0; \ | |
1809 | in_clean_objs = FALSE; \ | |
1810 | in_clean_all= FALSE; \ | |
1811 | profiledata = NULL; \ | |
1812 | rsfp = Nullfp; \ | |
1813 | rsfp_filters= Nullav; \ | |
1814 | } STMT_END | |
1815 | #endif | |
1816 | ||
1817 | #define PERLVAR(var,type) | |
1818 | #define PERLVARI(var,type,init) curinterp->var = init; | |
1819 | #define PERLVARIC(var,type,init) curinterp->var = init; | |
1820 | #include "intrpvar.h" | |
1821 | #ifndef USE_THREADS | |
1822 | # include "thrdvar.h" | |
1823 | #endif | |
1824 | #undef PERLVAR | |
1825 | #undef PERLVARI | |
1826 | #undef PERLVARIC | |
1827 | ||
1828 | } | |
1829 | ||
76e3520e | 1830 | STATIC void |
8ac85365 | 1831 | init_main_stash(void) |
79072805 | 1832 | { |
11343788 | 1833 | dTHR; |
463ee0b2 | 1834 | GV *gv; |
6e72f9df | 1835 | |
1836 | /* Note that strtab is a rather special HV. Assumptions are made | |
1837 | about not iterating on it, and not adding tie magic to it. | |
1838 | It is properly deallocated in perl_destruct() */ | |
1839 | strtab = newHV(); | |
1840 | HvSHAREKEYS_off(strtab); /* mandatory */ | |
1841 | Newz(506,((XPVHV*)SvANY(strtab))->xhv_array, | |
1842 | sizeof(HE*) * (((XPVHV*)SvANY(strtab))->xhv_max + 1), char); | |
1843 | ||
463ee0b2 | 1844 | curstash = defstash = newHV(); |
79072805 | 1845 | curstname = newSVpv("main",4); |
adbc6bb1 LW |
1846 | gv = gv_fetchpv("main::",TRUE, SVt_PVHV); |
1847 | SvREFCNT_dec(GvHV(gv)); | |
1848 | GvHV(gv) = (HV*)SvREFCNT_inc(defstash); | |
463ee0b2 | 1849 | SvREADONLY_on(gv); |
a0d0e21e | 1850 | HvNAME(defstash) = savepv("main"); |
85e6fe83 | 1851 | incgv = gv_HVadd(gv_AVadd(gv_fetchpv("INC",TRUE, SVt_PVAV))); |
a5f75d66 | 1852 | GvMULTI_on(incgv); |
a0d0e21e | 1853 | defgv = gv_fetchpv("_",TRUE, SVt_PVAV); |
12f917ad MB |
1854 | errgv = gv_HVadd(gv_fetchpv("@", TRUE, SVt_PV)); |
1855 | GvMULTI_on(errgv); | |
ce862d02 IZ |
1856 | replgv = gv_HVadd(gv_fetchpv("\022", TRUE, SVt_PV)); /* ^R */ |
1857 | GvMULTI_on(replgv); | |
84902520 | 1858 | (void)form("%240s",""); /* Preallocate temp - for immediate signals. */ |
38a03e6e MB |
1859 | sv_grow(ERRSV, 240); /* Preallocate - for immediate signals. */ |
1860 | sv_setpvn(ERRSV, "", 0); | |
8990e307 LW |
1861 | curstash = defstash; |
1862 | compiling.cop_stash = defstash; | |
adbc6bb1 | 1863 | debstash = GvHV(gv_fetchpv("DB::", GV_ADDMULTI, SVt_PVHV)); |
49dc05e3 | 1864 | globalstash = GvHV(gv_fetchpv("CORE::GLOBAL::", GV_ADDMULTI, SVt_PVHV)); |
4633a7c4 LW |
1865 | /* We must init $/ before switches are processed. */ |
1866 | sv_setpvn(GvSV(gv_fetchpv("/", TRUE, SVt_PV)), "\n", 1); | |
79072805 LW |
1867 | } |
1868 | ||
76e3520e | 1869 | STATIC void |
01f988be | 1870 | open_script(char *scriptname, bool dosearch, SV *sv, int *fdscript) |
79072805 | 1871 | { |
0f15f207 | 1872 | dTHR; |
79072805 | 1873 | register char *s; |
2a92aaa0 | 1874 | |
491527d0 | 1875 | scriptname = find_script(scriptname, dosearch, NULL, 0); |
79072805 | 1876 | |
96436eeb | 1877 | if (strnEQ(scriptname, "/dev/fd/", 8) && isDIGIT(scriptname[8]) ) { |
1878 | char *s = scriptname + 8; | |
01f988be | 1879 | *fdscript = atoi(s); |
96436eeb | 1880 | while (isDIGIT(*s)) |
1881 | s++; | |
1882 | if (*s) | |
1883 | scriptname = s + 1; | |
1884 | } | |
1885 | else | |
01f988be | 1886 | *fdscript = -1; |
afe37c7d | 1887 | origfilename = savepv(e_script ? "-e" : scriptname); |
79072805 LW |
1888 | curcop->cop_filegv = gv_fetchfile(origfilename); |
1889 | if (strEQ(origfilename,"-")) | |
1890 | scriptname = ""; | |
01f988be GS |
1891 | if (*fdscript >= 0) { |
1892 | rsfp = PerlIO_fdopen(*fdscript,PERL_SCRIPT_MODE); | |
96436eeb | 1893 | #if defined(HAS_FCNTL) && defined(F_SETFD) |
7aa04957 CS |
1894 | if (rsfp) |
1895 | fcntl(PerlIO_fileno(rsfp),F_SETFD,1); /* ensure close-on-exec */ | |
96436eeb | 1896 | #endif |
1897 | } | |
1898 | else if (preprocess) { | |
46fc3d4c | 1899 | char *cpp_cfg = CPPSTDIN; |
1900 | SV *cpp = NEWSV(0,0); | |
1901 | SV *cmd = NEWSV(0,0); | |
1902 | ||
1903 | if (strEQ(cpp_cfg, "cppstdin")) | |
1904 | sv_catpvf(cpp, "%s/", BIN_EXP); | |
1905 | sv_catpv(cpp, cpp_cfg); | |
79072805 | 1906 | |
79072805 | 1907 | sv_catpv(sv,"-I"); |
fed7345c | 1908 | sv_catpv(sv,PRIVLIB_EXP); |
46fc3d4c | 1909 | |
79072805 | 1910 | #ifdef MSDOS |
46fc3d4c | 1911 | sv_setpvf(cmd, "\ |
79072805 LW |
1912 | sed %s -e \"/^[^#]/b\" \ |
1913 | -e \"/^#[ ]*include[ ]/b\" \ | |
1914 | -e \"/^#[ ]*define[ ]/b\" \ | |
1915 | -e \"/^#[ ]*if[ ]/b\" \ | |
1916 | -e \"/^#[ ]*ifdef[ ]/b\" \ | |
1917 | -e \"/^#[ ]*ifndef[ ]/b\" \ | |
1918 | -e \"/^#[ ]*else/b\" \ | |
1919 | -e \"/^#[ ]*elif[ ]/b\" \ | |
1920 | -e \"/^#[ ]*undef[ ]/b\" \ | |
1921 | -e \"/^#[ ]*endif/b\" \ | |
1922 | -e \"s/^#.*//\" \ | |
fc36a67e | 1923 | %s | %_ -C %_ %s", |
79072805 LW |
1924 | (doextract ? "-e \"1,/^#/d\n\"" : ""), |
1925 | #else | |
46fc3d4c | 1926 | sv_setpvf(cmd, "\ |
79072805 LW |
1927 | %s %s -e '/^[^#]/b' \ |
1928 | -e '/^#[ ]*include[ ]/b' \ | |
1929 | -e '/^#[ ]*define[ ]/b' \ | |
1930 | -e '/^#[ ]*if[ ]/b' \ | |
1931 | -e '/^#[ ]*ifdef[ ]/b' \ | |
1932 | -e '/^#[ ]*ifndef[ ]/b' \ | |
1933 | -e '/^#[ ]*else/b' \ | |
1934 | -e '/^#[ ]*elif[ ]/b' \ | |
1935 | -e '/^#[ ]*undef[ ]/b' \ | |
1936 | -e '/^#[ ]*endif/b' \ | |
1937 | -e 's/^[ ]*#.*//' \ | |
fc36a67e | 1938 | %s | %_ -C %_ %s", |
79072805 LW |
1939 | #ifdef LOC_SED |
1940 | LOC_SED, | |
1941 | #else | |
1942 | "sed", | |
1943 | #endif | |
1944 | (doextract ? "-e '1,/^#/d\n'" : ""), | |
1945 | #endif | |
46fc3d4c | 1946 | scriptname, cpp, sv, CPPMINUS); |
79072805 LW |
1947 | doextract = FALSE; |
1948 | #ifdef IAMSUID /* actually, this is caught earlier */ | |
1949 | if (euid != uid && !euid) { /* if running suidperl */ | |
1950 | #ifdef HAS_SETEUID | |
1951 | (void)seteuid(uid); /* musn't stay setuid root */ | |
1952 | #else | |
1953 | #ifdef HAS_SETREUID | |
85e6fe83 LW |
1954 | (void)setreuid((Uid_t)-1, uid); |
1955 | #else | |
1956 | #ifdef HAS_SETRESUID | |
1957 | (void)setresuid((Uid_t)-1, uid, (Uid_t)-1); | |
79072805 | 1958 | #else |
76e3520e | 1959 | PerlProc_setuid(uid); |
79072805 LW |
1960 | #endif |
1961 | #endif | |
85e6fe83 | 1962 | #endif |
76e3520e | 1963 | if (PerlProc_geteuid() != uid) |
463ee0b2 | 1964 | croak("Can't do seteuid!\n"); |
79072805 LW |
1965 | } |
1966 | #endif /* IAMSUID */ | |
6ad3d225 | 1967 | rsfp = PerlProc_popen(SvPVX(cmd), "r"); |
46fc3d4c | 1968 | SvREFCNT_dec(cmd); |
1969 | SvREFCNT_dec(cpp); | |
79072805 LW |
1970 | } |
1971 | else if (!*scriptname) { | |
bbce6d69 | 1972 | forbid_setid("program input from stdin"); |
760ac839 | 1973 | rsfp = PerlIO_stdin(); |
79072805 | 1974 | } |
96436eeb | 1975 | else { |
a868473f | 1976 | rsfp = PerlIO_open(scriptname,PERL_SCRIPT_MODE); |
96436eeb | 1977 | #if defined(HAS_FCNTL) && defined(F_SETFD) |
7aa04957 CS |
1978 | if (rsfp) |
1979 | fcntl(PerlIO_fileno(rsfp),F_SETFD,1); /* ensure close-on-exec */ | |
96436eeb | 1980 | #endif |
1981 | } | |
7aa04957 | 1982 | if (!rsfp) { |
13281fa4 | 1983 | #ifdef DOSUID |
a687059c | 1984 | #ifndef IAMSUID /* in case script is not readable before setuid */ |
76e3520e | 1985 | if (euid && PerlLIO_stat(SvPVX(GvSV(curcop->cop_filegv)),&statbuf) >= 0 && |
13281fa4 | 1986 | statbuf.st_mode & (S_ISUID|S_ISGID)) { |
46fc3d4c | 1987 | /* try again */ |
6ad3d225 | 1988 | PerlProc_execv(form("%s/sperl%s", BIN_EXP, patchlevel), origargv); |
463ee0b2 | 1989 | croak("Can't do setuid\n"); |
13281fa4 LW |
1990 | } |
1991 | #endif | |
1992 | #endif | |
463ee0b2 | 1993 | croak("Can't open perl script \"%s\": %s\n", |
2304df62 | 1994 | SvPVX(GvSV(curcop->cop_filegv)), Strerror(errno)); |
13281fa4 | 1995 | } |
79072805 | 1996 | } |
8d063cd8 | 1997 | |
76e3520e | 1998 | STATIC void |
01f988be | 1999 | validate_suid(char *validarg, char *scriptname, int fdscript) |
79072805 | 2000 | { |
96436eeb | 2001 | int which; |
2002 | ||
13281fa4 LW |
2003 | /* do we need to emulate setuid on scripts? */ |
2004 | ||
2005 | /* This code is for those BSD systems that have setuid #! scripts disabled | |
2006 | * in the kernel because of a security problem. Merely defining DOSUID | |
2007 | * in perl will not fix that problem, but if you have disabled setuid | |
2008 | * scripts in the kernel, this will attempt to emulate setuid and setgid | |
2009 | * on scripts that have those now-otherwise-useless bits set. The setuid | |
27e2fb84 LW |
2010 | * root version must be called suidperl or sperlN.NNN. If regular perl |
2011 | * discovers that it has opened a setuid script, it calls suidperl with | |
2012 | * the same argv that it had. If suidperl finds that the script it has | |
2013 | * just opened is NOT setuid root, it sets the effective uid back to the | |
2014 | * uid. We don't just make perl setuid root because that loses the | |
2015 | * effective uid we had before invoking perl, if it was different from the | |
2016 | * uid. | |
13281fa4 LW |
2017 | * |
2018 | * DOSUID must be defined in both perl and suidperl, and IAMSUID must | |
2019 | * be defined in suidperl only. suidperl must be setuid root. The | |
2020 | * Configure script will set this up for you if you want it. | |
2021 | */ | |
a687059c | 2022 | |
13281fa4 | 2023 | #ifdef DOSUID |
ea0efc06 | 2024 | dTHR; |
6e72f9df | 2025 | char *s, *s2; |
a0d0e21e | 2026 | |
6ad3d225 | 2027 | if (PerlLIO_fstat(PerlIO_fileno(rsfp),&statbuf) < 0) /* normal stat is insecure */ |
463ee0b2 | 2028 | croak("Can't stat script \"%s\"",origfilename); |
96436eeb | 2029 | if (fdscript < 0 && statbuf.st_mode & (S_ISUID|S_ISGID)) { |
79072805 | 2030 | I32 len; |
13281fa4 | 2031 | |
a687059c | 2032 | #ifdef IAMSUID |
fe14fcc3 | 2033 | #ifndef HAS_SETREUID |
a687059c LW |
2034 | /* On this access check to make sure the directories are readable, |
2035 | * there is actually a small window that the user could use to make | |
2036 | * filename point to an accessible directory. So there is a faint | |
2037 | * chance that someone could execute a setuid script down in a | |
2038 | * non-accessible directory. I don't know what to do about that. | |
2039 | * But I don't think it's too important. The manual lies when | |
2040 | * it says access() is useful in setuid programs. | |
2041 | */ | |
6ad3d225 | 2042 | if (PerlLIO_access(SvPVX(GvSV(curcop->cop_filegv)),1)) /*double check*/ |
463ee0b2 | 2043 | croak("Permission denied"); |
a687059c LW |
2044 | #else |
2045 | /* If we can swap euid and uid, then we can determine access rights | |
2046 | * with a simple stat of the file, and then compare device and | |
2047 | * inode to make sure we did stat() on the same file we opened. | |
2048 | * Then we just have to make sure he or she can execute it. | |
2049 | */ | |
2050 | { | |
2051 | struct stat tmpstatbuf; | |
2052 | ||
85e6fe83 LW |
2053 | if ( |
2054 | #ifdef HAS_SETREUID | |
2055 | setreuid(euid,uid) < 0 | |
a0d0e21e LW |
2056 | #else |
2057 | # if HAS_SETRESUID | |
85e6fe83 | 2058 | setresuid(euid,uid,(Uid_t)-1) < 0 |
a0d0e21e | 2059 | # endif |
85e6fe83 | 2060 | #endif |
76e3520e | 2061 | || PerlProc_getuid() != euid || PerlProc_geteuid() != uid) |
463ee0b2 | 2062 | croak("Can't swap uid and euid"); /* really paranoid */ |
76e3520e | 2063 | if (PerlLIO_stat(SvPVX(GvSV(curcop->cop_filegv)),&tmpstatbuf) < 0) |
463ee0b2 | 2064 | croak("Permission denied"); /* testing full pathname here */ |
a687059c LW |
2065 | if (tmpstatbuf.st_dev != statbuf.st_dev || |
2066 | tmpstatbuf.st_ino != statbuf.st_ino) { | |
760ac839 | 2067 | (void)PerlIO_close(rsfp); |
6ad3d225 | 2068 | if (rsfp = PerlProc_popen("/bin/mail root","w")) { /* heh, heh */ |
760ac839 | 2069 | PerlIO_printf(rsfp, |
ff0cee69 | 2070 | "User %ld tried to run dev %ld ino %ld in place of dev %ld ino %ld!\n\ |
2071 | (Filename of set-id script was %s, uid %ld gid %ld.)\n\nSincerely,\nperl\n", | |
2072 | (long)uid,(long)tmpstatbuf.st_dev, (long)tmpstatbuf.st_ino, | |
2073 | (long)statbuf.st_dev, (long)statbuf.st_ino, | |
463ee0b2 | 2074 | SvPVX(GvSV(curcop->cop_filegv)), |
ff0cee69 | 2075 | (long)statbuf.st_uid, (long)statbuf.st_gid); |
6ad3d225 | 2076 | (void)PerlProc_pclose(rsfp); |
a687059c | 2077 | } |
463ee0b2 | 2078 | croak("Permission denied\n"); |
a687059c | 2079 | } |
85e6fe83 LW |
2080 | if ( |
2081 | #ifdef HAS_SETREUID | |
2082 | setreuid(uid,euid) < 0 | |
a0d0e21e LW |
2083 | #else |
2084 | # if defined(HAS_SETRESUID) | |
85e6fe83 | 2085 | setresuid(uid,euid,(Uid_t)-1) < 0 |
a0d0e21e | 2086 | # endif |
85e6fe83 | 2087 | #endif |
76e3520e | 2088 | || PerlProc_getuid() != uid || PerlProc_geteuid() != euid) |
463ee0b2 | 2089 | croak("Can't reswap uid and euid"); |
27e2fb84 | 2090 | if (!cando(S_IXUSR,FALSE,&statbuf)) /* can real uid exec? */ |
463ee0b2 | 2091 | croak("Permission denied\n"); |
a687059c | 2092 | } |
fe14fcc3 | 2093 | #endif /* HAS_SETREUID */ |
a687059c LW |
2094 | #endif /* IAMSUID */ |
2095 | ||
27e2fb84 | 2096 | if (!S_ISREG(statbuf.st_mode)) |
463ee0b2 | 2097 | croak("Permission denied"); |
27e2fb84 | 2098 | if (statbuf.st_mode & S_IWOTH) |
463ee0b2 | 2099 | croak("Setuid/gid script is writable by world"); |
13281fa4 | 2100 | doswitches = FALSE; /* -s is insecure in suid */ |
79072805 | 2101 | curcop->cop_line++; |
760ac839 LW |
2102 | if (sv_gets(linestr, rsfp, 0) == Nullch || |
2103 | strnNE(SvPV(linestr,na),"#!",2) ) /* required even on Sys V */ | |
463ee0b2 | 2104 | croak("No #! line"); |
760ac839 | 2105 | s = SvPV(linestr,na)+2; |
663a0e37 | 2106 | if (*s == ' ') s++; |
45d8adaa | 2107 | while (!isSPACE(*s)) s++; |
760ac839 | 2108 | for (s2 = s; (s2 > SvPV(linestr,na)+2 && |
6e72f9df | 2109 | (isDIGIT(s2[-1]) || strchr("._-", s2[-1]))); s2--) ; |
2110 | if (strnNE(s2-4,"perl",4) && strnNE(s-9,"perl",4)) /* sanity check */ | |
463ee0b2 | 2111 | croak("Not a perl script"); |
a687059c | 2112 | while (*s == ' ' || *s == '\t') s++; |
13281fa4 LW |
2113 | /* |
2114 | * #! arg must be what we saw above. They can invoke it by | |
2115 | * mentioning suidperl explicitly, but they may not add any strange | |
2116 | * arguments beyond what #! says if they do invoke suidperl that way. | |
2117 | */ | |
2118 | len = strlen(validarg); | |
2119 | if (strEQ(validarg," PHOOEY ") || | |
45d8adaa | 2120 | strnNE(s,validarg,len) || !isSPACE(s[len])) |
463ee0b2 | 2121 | croak("Args must match #! line"); |
a687059c LW |
2122 | |
2123 | #ifndef IAMSUID | |
2124 | if (euid != uid && (statbuf.st_mode & S_ISUID) && | |
2125 | euid == statbuf.st_uid) | |
2126 | if (!do_undump) | |
463ee0b2 | 2127 | croak("YOU HAVEN'T DISABLED SET-ID SCRIPTS IN THE KERNEL YET!\n\ |
a687059c LW |
2128 | FIX YOUR KERNEL, PUT A C WRAPPER AROUND THIS SCRIPT, OR USE -u AND UNDUMP!\n"); |
2129 | #endif /* IAMSUID */ | |
13281fa4 LW |
2130 | |
2131 | if (euid) { /* oops, we're not the setuid root perl */ | |
760ac839 | 2132 | (void)PerlIO_close(rsfp); |
13281fa4 | 2133 | #ifndef IAMSUID |
46fc3d4c | 2134 | /* try again */ |
6ad3d225 | 2135 | PerlProc_execv(form("%s/sperl%s", BIN_EXP, patchlevel), origargv); |
13281fa4 | 2136 | #endif |
463ee0b2 | 2137 | croak("Can't do setuid\n"); |
13281fa4 LW |
2138 | } |
2139 | ||
83025b21 | 2140 | if (statbuf.st_mode & S_ISGID && statbuf.st_gid != egid) { |
fe14fcc3 | 2141 | #ifdef HAS_SETEGID |
a687059c LW |
2142 | (void)setegid(statbuf.st_gid); |
2143 | #else | |
fe14fcc3 | 2144 | #ifdef HAS_SETREGID |
85e6fe83 LW |
2145 | (void)setregid((Gid_t)-1,statbuf.st_gid); |
2146 | #else | |
2147 | #ifdef HAS_SETRESGID | |
2148 | (void)setresgid((Gid_t)-1,statbuf.st_gid,(Gid_t)-1); | |
a687059c | 2149 | #else |
76e3520e | 2150 | PerlProc_setgid(statbuf.st_gid); |
a687059c LW |
2151 | #endif |
2152 | #endif | |
85e6fe83 | 2153 | #endif |
76e3520e | 2154 | if (PerlProc_getegid() != statbuf.st_gid) |
463ee0b2 | 2155 | croak("Can't do setegid!\n"); |
83025b21 | 2156 | } |
a687059c LW |
2157 | if (statbuf.st_mode & S_ISUID) { |
2158 | if (statbuf.st_uid != euid) | |
fe14fcc3 | 2159 | #ifdef HAS_SETEUID |
a687059c LW |
2160 | (void)seteuid(statbuf.st_uid); /* all that for this */ |
2161 | #else | |
fe14fcc3 | 2162 | #ifdef HAS_SETREUID |
85e6fe83 LW |
2163 | (void)setreuid((Uid_t)-1,statbuf.st_uid); |
2164 | #else | |
2165 | #ifdef HAS_SETRESUID | |
2166 | (void)setresuid((Uid_t)-1,statbuf.st_uid,(Uid_t)-1); | |
a687059c | 2167 | #else |
76e3520e | 2168 | PerlProc_setuid(statbuf.st_uid); |
a687059c LW |
2169 | #endif |
2170 | #endif | |
85e6fe83 | 2171 | #endif |
76e3520e | 2172 | if (PerlProc_geteuid() != statbuf.st_uid) |
463ee0b2 | 2173 | croak("Can't do seteuid!\n"); |
a687059c | 2174 | } |
83025b21 | 2175 | else if (uid) { /* oops, mustn't run as root */ |
fe14fcc3 | 2176 | #ifdef HAS_SETEUID |
85e6fe83 | 2177 | (void)seteuid((Uid_t)uid); |
a687059c | 2178 | #else |
fe14fcc3 | 2179 | #ifdef HAS_SETREUID |
85e6fe83 | 2180 | (void)setreuid((Uid_t)-1,(Uid_t)uid); |
a687059c | 2181 | #else |
85e6fe83 LW |
2182 | #ifdef HAS_SETRESUID |
2183 | (void)setresuid((Uid_t)-1,(Uid_t)uid,(Uid_t)-1); | |
2184 | #else | |
76e3520e | 2185 | PerlProc_setuid((Uid_t)uid); |
85e6fe83 | 2186 | #endif |
a687059c LW |
2187 | #endif |
2188 | #endif | |
76e3520e | 2189 | if (PerlProc_geteuid() != uid) |
463ee0b2 | 2190 | croak("Can't do seteuid!\n"); |
83025b21 | 2191 | } |
748a9306 | 2192 | init_ids(); |
27e2fb84 | 2193 | if (!cando(S_IXUSR,TRUE,&statbuf)) |
463ee0b2 | 2194 | croak("Permission denied\n"); /* they can't do this */ |
13281fa4 LW |
2195 | } |
2196 | #ifdef IAMSUID | |
2197 | else if (preprocess) | |
463ee0b2 | 2198 | croak("-P not allowed for setuid/setgid script\n"); |
96436eeb | 2199 | else if (fdscript >= 0) |
2200 | croak("fd script not allowed in suidperl\n"); | |
13281fa4 | 2201 | else |
463ee0b2 | 2202 | croak("Script is not setuid/setgid in suidperl\n"); |
96436eeb | 2203 | |
2204 | /* We absolutely must clear out any saved ids here, so we */ | |
2205 | /* exec the real perl, substituting fd script for scriptname. */ | |
2206 | /* (We pass script name as "subdir" of fd, which perl will grok.) */ | |
760ac839 | 2207 | PerlIO_rewind(rsfp); |
6ad3d225 | 2208 | PerlLIO_lseek(PerlIO_fileno(rsfp),(Off_t)0,0); /* just in case rewind didn't */ |
96436eeb | 2209 | for (which = 1; origargv[which] && origargv[which] != scriptname; which++) ; |
2210 | if (!origargv[which]) | |
2211 | croak("Permission denied"); | |
46fc3d4c | 2212 | origargv[which] = savepv(form("/dev/fd/%d/%s", |
2213 | PerlIO_fileno(rsfp), origargv[which])); | |
96436eeb | 2214 | #if defined(HAS_FCNTL) && defined(F_SETFD) |
760ac839 | 2215 | fcntl(PerlIO_fileno(rsfp),F_SETFD,0); /* ensure no close-on-exec */ |
96436eeb | 2216 | #endif |
6ad3d225 | 2217 | PerlProc_execv(form("%s/perl%s", BIN_EXP, patchlevel), origargv); /* try again */ |
96436eeb | 2218 | croak("Can't do setuid\n"); |
13281fa4 | 2219 | #endif /* IAMSUID */ |
a687059c | 2220 | #else /* !DOSUID */ |
a687059c LW |
2221 | if (euid != uid || egid != gid) { /* (suidperl doesn't exist, in fact) */ |
2222 | #ifndef SETUID_SCRIPTS_ARE_SECURE_NOW | |
96827780 | 2223 | dTHR; |
6ad3d225 | 2224 | PerlLIO_fstat(PerlIO_fileno(rsfp),&statbuf); /* may be either wrapped or real suid */ |
a687059c LW |
2225 | if ((euid != uid && euid == statbuf.st_uid && statbuf.st_mode & S_ISUID) |
2226 | || | |
2227 | (egid != gid && egid == statbuf.st_gid && statbuf.st_mode & S_ISGID) | |
2228 | ) | |
2229 | if (!do_undump) | |
463ee0b2 | 2230 | croak("YOU HAVEN'T DISABLED SET-ID SCRIPTS IN THE KERNEL YET!\n\ |
a687059c LW |
2231 | FIX YOUR KERNEL, PUT A C WRAPPER AROUND THIS SCRIPT, OR USE -u AND UNDUMP!\n"); |
2232 | #endif /* SETUID_SCRIPTS_ARE_SECURE_NOW */ | |
2233 | /* not set-id, must be wrapped */ | |
a687059c | 2234 | } |
13281fa4 | 2235 | #endif /* DOSUID */ |
79072805 | 2236 | } |
13281fa4 | 2237 | |
76e3520e | 2238 | STATIC void |
8ac85365 | 2239 | find_beginning(void) |
79072805 | 2240 | { |
6e72f9df | 2241 | register char *s, *s2; |
33b78306 LW |
2242 | |
2243 | /* skip forward in input to the real script? */ | |
2244 | ||
bbce6d69 | 2245 | forbid_setid("-x"); |
33b78306 | 2246 | while (doextract) { |
79072805 | 2247 | if ((s = sv_gets(linestr, rsfp, 0)) == Nullch) |
463ee0b2 | 2248 | croak("No Perl script found in input\n"); |
6e72f9df | 2249 | if (*s == '#' && s[1] == '!' && (s = instr(s,"perl"))) { |
760ac839 | 2250 | PerlIO_ungetc(rsfp, '\n'); /* to keep line count right */ |
33b78306 | 2251 | doextract = FALSE; |
6e72f9df | 2252 | while (*s && !(isSPACE (*s) || *s == '#')) s++; |
2253 | s2 = s; | |
2254 | while (*s == ' ' || *s == '\t') s++; | |
2255 | if (*s++ == '-') { | |
2256 | while (isDIGIT(s2[-1]) || strchr("-._", s2[-1])) s2--; | |
2257 | if (strnEQ(s2-4,"perl",4)) | |
2258 | /*SUPPRESS 530*/ | |
2259 | while (s = moreswitches(s)) ; | |
33b78306 | 2260 | } |
6ad3d225 | 2261 | if (cddir && PerlDir_chdir(cddir) < 0) |
463ee0b2 | 2262 | croak("Can't chdir to %s",cddir); |
83025b21 LW |
2263 | } |
2264 | } | |
2265 | } | |
2266 | ||
afe37c7d | 2267 | |
76e3520e | 2268 | STATIC void |
8ac85365 | 2269 | init_ids(void) |
352d5a3a | 2270 | { |
76e3520e GS |
2271 | uid = (int)PerlProc_getuid(); |
2272 | euid = (int)PerlProc_geteuid(); | |
2273 | gid = (int)PerlProc_getgid(); | |
2274 | egid = (int)PerlProc_getegid(); | |
748a9306 LW |
2275 | #ifdef VMS |
2276 | uid |= gid << 16; | |
2277 | euid |= egid << 16; | |
2278 | #endif | |
4633a7c4 | 2279 | tainting |= (uid && (euid != uid || egid != gid)); |
748a9306 | 2280 | } |
79072805 | 2281 | |
76e3520e | 2282 | STATIC void |
8ac85365 | 2283 | forbid_setid(char *s) |
bbce6d69 | 2284 | { |
2285 | if (euid != uid) | |
2286 | croak("No %s allowed while running setuid", s); | |
2287 | if (egid != gid) | |
2288 | croak("No %s allowed while running setgid", s); | |
2289 | } | |
2290 | ||
76e3520e | 2291 | STATIC void |
8ac85365 | 2292 | init_debugger(void) |
748a9306 | 2293 | { |
11343788 | 2294 | dTHR; |
79072805 | 2295 | curstash = debstash; |
748a9306 | 2296 | dbargs = GvAV(gv_AVadd((gv_fetchpv("args", GV_ADDMULTI, SVt_PVAV)))); |
79072805 | 2297 | AvREAL_off(dbargs); |
a0d0e21e LW |
2298 | DBgv = gv_fetchpv("DB", GV_ADDMULTI, SVt_PVGV); |
2299 | DBline = gv_fetchpv("dbline", GV_ADDMULTI, SVt_PVAV); | |
748a9306 LW |
2300 | DBsub = gv_HVadd(gv_fetchpv("sub", GV_ADDMULTI, SVt_PVHV)); |
2301 | DBsingle = GvSV((gv_fetchpv("single", GV_ADDMULTI, SVt_PV))); | |
c07a80fd | 2302 | sv_setiv(DBsingle, 0); |
748a9306 | 2303 | DBtrace = GvSV((gv_fetchpv("trace", GV_ADDMULTI, SVt_PV))); |
c07a80fd | 2304 | sv_setiv(DBtrace, 0); |
748a9306 | 2305 | DBsignal = GvSV((gv_fetchpv("signal", GV_ADDMULTI, SVt_PV))); |
c07a80fd | 2306 | sv_setiv(DBsignal, 0); |
79072805 | 2307 | curstash = defstash; |
352d5a3a LW |
2308 | } |
2309 | ||
2ce36478 SM |
2310 | #ifndef STRESS_REALLOC |
2311 | #define REASONABLE(size) (size) | |
2312 | #else | |
2313 | #define REASONABLE(size) (1) /* unreasonable */ | |
2314 | #endif | |
2315 | ||
11343788 | 2316 | void |
8ac85365 | 2317 | init_stacks(ARGSproto) |
79072805 | 2318 | { |
e336de0d GS |
2319 | /* start with 128-item stack and 8K cxstack */ |
2320 | curstackinfo = new_stackinfo(REASONABLE(128), | |
2321 | REASONABLE(8192/sizeof(PERL_CONTEXT) - 1)); | |
2322 | curstackinfo->si_type = SI_MAIN; | |
2323 | curstack = curstackinfo->si_stack; | |
5f05dabc | 2324 | mainstack = curstack; /* remember in case we switch stacks */ |
79072805 | 2325 | |
6e72f9df | 2326 | stack_base = AvARRAY(curstack); |
79072805 | 2327 | stack_sp = stack_base; |
e336de0d | 2328 | stack_max = stack_base + AvMAX(curstack); |
8990e307 | 2329 | |
2ce36478 | 2330 | New(50,tmps_stack,REASONABLE(128),SV*); |
6d4ff0d2 | 2331 | tmps_floor = -1; |
8990e307 | 2332 | tmps_ix = -1; |
2ce36478 | 2333 | tmps_max = REASONABLE(128); |
8990e307 | 2334 | |
cb68f92d GS |
2335 | New(54,markstack,REASONABLE(32),I32); |
2336 | markstack_ptr = markstack; | |
2337 | markstack_max = markstack + REASONABLE(32); | |
79072805 | 2338 | |
e336de0d GS |
2339 | SET_MARKBASE; |
2340 | ||
cb68f92d GS |
2341 | New(54,scopestack,REASONABLE(32),I32); |
2342 | scopestack_ix = 0; | |
2343 | scopestack_max = REASONABLE(32); | |
79072805 | 2344 | |
cb68f92d GS |
2345 | New(54,savestack,REASONABLE(128),ANY); |
2346 | savestack_ix = 0; | |
2347 | savestack_max = REASONABLE(128); | |
79072805 | 2348 | |
cb68f92d GS |
2349 | New(54,retstack,REASONABLE(16),OP*); |
2350 | retstack_ix = 0; | |
2351 | retstack_max = REASONABLE(16); | |
378cc40b | 2352 | } |
33b78306 | 2353 | |
2ce36478 SM |
2354 | #undef REASONABLE |
2355 | ||
76e3520e | 2356 | STATIC void |
8ac85365 | 2357 | nuke_stacks(void) |
6e72f9df | 2358 | { |
e858de61 | 2359 | dTHR; |
e336de0d GS |
2360 | while (curstackinfo->si_next) |
2361 | curstackinfo = curstackinfo->si_next; | |
2362 | while (curstackinfo) { | |
2363 | PERL_SI *p = curstackinfo->si_prev; | |
bac4b2ad | 2364 | /* curstackinfo->si_stack got nuked by sv_free_arenas() */ |
e336de0d GS |
2365 | Safefree(curstackinfo->si_cxstack); |
2366 | Safefree(curstackinfo); | |
2367 | curstackinfo = p; | |
2368 | } | |
6e72f9df | 2369 | Safefree(tmps_stack); |
00db4c45 GS |
2370 | Safefree(markstack); |
2371 | Safefree(scopestack); | |
2372 | Safefree(savestack); | |
2373 | Safefree(retstack); | |
5f05dabc | 2374 | DEBUG( { |
2375 | Safefree(debname); | |
2376 | Safefree(debdelim); | |
2377 | } ) | |
378cc40b | 2378 | } |
33b78306 | 2379 | |
76e3520e | 2380 | #ifndef PERL_OBJECT |
760ac839 | 2381 | static PerlIO *tmpfp; /* moved outside init_lexer() because of UNICOS bug */ |
76e3520e | 2382 | #endif |
7aa04957 | 2383 | |
76e3520e | 2384 | STATIC void |
8ac85365 | 2385 | init_lexer(void) |
8990e307 | 2386 | { |
76e3520e GS |
2387 | #ifdef PERL_OBJECT |
2388 | PerlIO *tmpfp; | |
2389 | #endif | |
a0d0e21e | 2390 | tmpfp = rsfp; |
90248788 | 2391 | rsfp = Nullfp; |
8990e307 LW |
2392 | lex_start(linestr); |
2393 | rsfp = tmpfp; | |
2394 | subname = newSVpv("main",4); | |
2395 | } | |
2396 | ||
76e3520e | 2397 | STATIC void |
8ac85365 | 2398 | init_predump_symbols(void) |
45d8adaa | 2399 | { |
11343788 | 2400 | dTHR; |
93a17b20 | 2401 | GV *tmpgv; |
a0d0e21e | 2402 | GV *othergv; |
79072805 | 2403 | |
e1c148c2 | 2404 | sv_setpvn(perl_get_sv("\"", TRUE), " ", 1); |
85e6fe83 | 2405 | stdingv = gv_fetchpv("STDIN",TRUE, SVt_PVIO); |
a5f75d66 | 2406 | GvMULTI_on(stdingv); |
760ac839 | 2407 | IoIFP(GvIOp(stdingv)) = PerlIO_stdin(); |
adbc6bb1 | 2408 | tmpgv = gv_fetchpv("stdin",TRUE, SVt_PV); |
a5f75d66 | 2409 | GvMULTI_on(tmpgv); |
a0d0e21e | 2410 | GvIOp(tmpgv) = (IO*)SvREFCNT_inc(GvIOp(stdingv)); |
79072805 | 2411 | |
85e6fe83 | 2412 | tmpgv = gv_fetchpv("STDOUT",TRUE, SVt_PVIO); |
a5f75d66 | 2413 | GvMULTI_on(tmpgv); |
760ac839 | 2414 | IoOFP(GvIOp(tmpgv)) = IoIFP(GvIOp(tmpgv)) = PerlIO_stdout(); |
4633a7c4 | 2415 | setdefout(tmpgv); |
adbc6bb1 | 2416 | tmpgv = gv_fetchpv("stdout",TRUE, SVt_PV); |
a5f75d66 | 2417 | GvMULTI_on(tmpgv); |
a0d0e21e | 2418 | GvIOp(tmpgv) = (IO*)SvREFCNT_inc(GvIOp(defoutgv)); |
79072805 | 2419 | |
a0d0e21e | 2420 | othergv = gv_fetchpv("STDERR",TRUE, SVt_PVIO); |
a5f75d66 | 2421 | GvMULTI_on(othergv); |
760ac839 | 2422 | IoOFP(GvIOp(othergv)) = IoIFP(GvIOp(othergv)) = PerlIO_stderr(); |
adbc6bb1 | 2423 | tmpgv = gv_fetchpv("stderr",TRUE, SVt_PV); |
a5f75d66 | 2424 | GvMULTI_on(tmpgv); |
a0d0e21e | 2425 | GvIOp(tmpgv) = (IO*)SvREFCNT_inc(GvIOp(othergv)); |
79072805 LW |
2426 | |
2427 | statname = NEWSV(66,0); /* last filename we did stat on */ | |
ab821d7f | 2428 | |
6e72f9df | 2429 | if (!osname) |
2430 | osname = savepv(OSNAME); | |
79072805 | 2431 | } |
33b78306 | 2432 | |
76e3520e | 2433 | STATIC void |
8ac85365 | 2434 | init_postdump_symbols(register int argc, register char **argv, register char **env) |
33b78306 | 2435 | { |
a863c7d1 | 2436 | dTHR; |
79072805 LW |
2437 | char *s; |
2438 | SV *sv; | |
2439 | GV* tmpgv; | |
fe14fcc3 | 2440 | |
79072805 LW |
2441 | argc--,argv++; /* skip name of script */ |
2442 | if (doswitches) { | |
2443 | for (; argc > 0 && **argv == '-'; argc--,argv++) { | |
2444 | if (!argv[0][1]) | |
2445 | break; | |
2446 | if (argv[0][1] == '-') { | |
2447 | argc--,argv++; | |
2448 | break; | |
2449 | } | |
93a17b20 | 2450 | if (s = strchr(argv[0], '=')) { |
79072805 | 2451 | *s++ = '\0'; |
85e6fe83 | 2452 | sv_setpv(GvSV(gv_fetchpv(argv[0]+1,TRUE, SVt_PV)),s); |
79072805 LW |
2453 | } |
2454 | else | |
85e6fe83 | 2455 | sv_setiv(GvSV(gv_fetchpv(argv[0]+1,TRUE, SVt_PV)),1); |
fe14fcc3 | 2456 | } |
79072805 LW |
2457 | } |
2458 | toptarget = NEWSV(0,0); | |
2459 | sv_upgrade(toptarget, SVt_PVFM); | |
2460 | sv_setpvn(toptarget, "", 0); | |
748a9306 | 2461 | bodytarget = NEWSV(0,0); |
79072805 LW |
2462 | sv_upgrade(bodytarget, SVt_PVFM); |
2463 | sv_setpvn(bodytarget, "", 0); | |
2464 | formtarget = bodytarget; | |
2465 | ||
bbce6d69 | 2466 | TAINT; |
85e6fe83 | 2467 | if (tmpgv = gv_fetchpv("0",TRUE, SVt_PV)) { |
79072805 LW |
2468 | sv_setpv(GvSV(tmpgv),origfilename); |
2469 | magicname("0", "0", 1); | |
2470 | } | |
85e6fe83 | 2471 | if (tmpgv = gv_fetchpv("\030",TRUE, SVt_PV)) |
79072805 | 2472 | sv_setpv(GvSV(tmpgv),origargv[0]); |
85e6fe83 | 2473 | if (argvgv = gv_fetchpv("ARGV",TRUE, SVt_PVAV)) { |
a5f75d66 | 2474 | GvMULTI_on(argvgv); |
79072805 LW |
2475 | (void)gv_AVadd(argvgv); |
2476 | av_clear(GvAVn(argvgv)); | |
2477 | for (; argc > 0; argc--,argv++) { | |
a0d0e21e | 2478 | av_push(GvAVn(argvgv),newSVpv(argv[0],0)); |
79072805 LW |
2479 | } |
2480 | } | |
85e6fe83 | 2481 | if (envgv = gv_fetchpv("ENV",TRUE, SVt_PVHV)) { |
79072805 | 2482 | HV *hv; |
a5f75d66 | 2483 | GvMULTI_on(envgv); |
79072805 | 2484 | hv = GvHVn(envgv); |
5aabfad6 | 2485 | hv_magic(hv, envgv, 'E'); |
a0d0e21e | 2486 | #ifndef VMS /* VMS doesn't have environ array */ |
4633a7c4 LW |
2487 | /* Note that if the supplied env parameter is actually a copy |
2488 | of the global environ then it may now point to free'd memory | |
2489 | if the environment has been modified since. To avoid this | |
2490 | problem we treat env==NULL as meaning 'use the default' | |
2491 | */ | |
2492 | if (!env) | |
2493 | env = environ; | |
5aabfad6 | 2494 | if (env != environ) |
79072805 LW |
2495 | environ[0] = Nullch; |
2496 | for (; *env; env++) { | |
93a17b20 | 2497 | if (!(s = strchr(*env,'='))) |
79072805 LW |
2498 | continue; |
2499 | *s++ = '\0'; | |
60ce6247 | 2500 | #if defined(MSDOS) |
137443ea | 2501 | (void)strupr(*env); |
2502 | #endif | |
79072805 LW |
2503 | sv = newSVpv(s--,0); |
2504 | (void)hv_store(hv, *env, s - *env, sv, 0); | |
2505 | *s = '='; | |
3e3baf6d TB |
2506 | #if defined(__BORLANDC__) && defined(USE_WIN32_RTL_ENV) |
2507 | /* Sins of the RTL. See note in my_setenv(). */ | |
76e3520e | 2508 | (void)PerlEnv_putenv(savepv(*env)); |
3e3baf6d | 2509 | #endif |
fe14fcc3 | 2510 | } |
4550b24a | 2511 | #endif |
2512 | #ifdef DYNAMIC_ENV_FETCH | |
2513 | HvNAME(hv) = savepv(ENV_HV_NAME); | |
2514 | #endif | |
79072805 | 2515 | } |
bbce6d69 | 2516 | TAINT_NOT; |
85e6fe83 | 2517 | if (tmpgv = gv_fetchpv("$",TRUE, SVt_PV)) |
1e422769 | 2518 | sv_setiv(GvSV(tmpgv), (IV)getpid()); |
33b78306 | 2519 | } |
34de22dd | 2520 | |
76e3520e | 2521 | STATIC void |
8ac85365 | 2522 | init_perllib(void) |
34de22dd | 2523 | { |
85e6fe83 LW |
2524 | char *s; |
2525 | if (!tainting) { | |
552a7a9b | 2526 | #ifndef VMS |
76e3520e | 2527 | s = PerlEnv_getenv("PERL5LIB"); |
85e6fe83 | 2528 | if (s) |
774d564b | 2529 | incpush(s, TRUE); |
85e6fe83 | 2530 | else |
76e3520e | 2531 | incpush(PerlEnv_getenv("PERLLIB"), FALSE); |
552a7a9b | 2532 | #else /* VMS */ |
2533 | /* Treat PERL5?LIB as a possible search list logical name -- the | |
2534 | * "natural" VMS idiom for a Unix path string. We allow each | |
2535 | * element to be a set of |-separated directories for compatibility. | |
2536 | */ | |
2537 | char buf[256]; | |
2538 | int idx = 0; | |
2539 | if (my_trnlnm("PERL5LIB",buf,0)) | |
774d564b | 2540 | do { incpush(buf,TRUE); } while (my_trnlnm("PERL5LIB",buf,++idx)); |
552a7a9b | 2541 | else |
774d564b | 2542 | while (my_trnlnm("PERLLIB",buf,idx++)) incpush(buf,FALSE); |
552a7a9b | 2543 | #endif /* VMS */ |
85e6fe83 | 2544 | } |
34de22dd | 2545 | |
c90c0ff4 | 2546 | /* Use the ~-expanded versions of APPLLIB (undocumented), |
dfe9444c | 2547 | ARCHLIB PRIVLIB SITEARCH and SITELIB |
df5cef82 | 2548 | */ |
4633a7c4 | 2549 | #ifdef APPLLIB_EXP |
43051805 | 2550 | incpush(APPLLIB_EXP, TRUE); |
16d20bd9 | 2551 | #endif |
4633a7c4 | 2552 | |
fed7345c | 2553 | #ifdef ARCHLIB_EXP |
774d564b | 2554 | incpush(ARCHLIB_EXP, FALSE); |
a0d0e21e | 2555 | #endif |
fed7345c AD |
2556 | #ifndef PRIVLIB_EXP |
2557 | #define PRIVLIB_EXP "/usr/local/lib/perl5:/usr/local/lib/perl" | |
34de22dd | 2558 | #endif |
00dc2f4f GS |
2559 | #if defined(WIN32) |
2560 | incpush(PRIVLIB_EXP, TRUE); | |
2561 | #else | |
774d564b | 2562 | incpush(PRIVLIB_EXP, FALSE); |
00dc2f4f | 2563 | #endif |
4633a7c4 LW |
2564 | |
2565 | #ifdef SITEARCH_EXP | |
774d564b | 2566 | incpush(SITEARCH_EXP, FALSE); |
4633a7c4 LW |
2567 | #endif |
2568 | #ifdef SITELIB_EXP | |
00dc2f4f GS |
2569 | #if defined(WIN32) |
2570 | incpush(SITELIB_EXP, TRUE); | |
2571 | #else | |
774d564b | 2572 | incpush(SITELIB_EXP, FALSE); |
4633a7c4 | 2573 | #endif |
00dc2f4f | 2574 | #endif |
4633a7c4 | 2575 | if (!tainting) |
774d564b | 2576 | incpush(".", FALSE); |
2577 | } | |
2578 | ||
2579 | #if defined(DOSISH) | |
2580 | # define PERLLIB_SEP ';' | |
2581 | #else | |
2582 | # if defined(VMS) | |
2583 | # define PERLLIB_SEP '|' | |
2584 | # else | |
2585 | # define PERLLIB_SEP ':' | |
2586 | # endif | |
2587 | #endif | |
2588 | #ifndef PERLLIB_MANGLE | |
2589 | # define PERLLIB_MANGLE(s,n) (s) | |
2590 | #endif | |
2591 | ||
76e3520e | 2592 | STATIC void |
8ac85365 | 2593 | incpush(char *p, int addsubdirs) |
774d564b | 2594 | { |
2595 | SV *subdir = Nullsv; | |
774d564b | 2596 | |
2597 | if (!p) | |
2598 | return; | |
2599 | ||
2600 | if (addsubdirs) { | |
00db4c45 | 2601 | subdir = sv_newmortal(); |
774d564b | 2602 | if (!archpat_auto) { |
2603 | STRLEN len = (sizeof(ARCHNAME) + strlen(patchlevel) | |
2604 | + sizeof("//auto")); | |
2605 | New(55, archpat_auto, len, char); | |
2606 | sprintf(archpat_auto, "/%s/%s/auto", ARCHNAME, patchlevel); | |
aa689395 | 2607 | #ifdef VMS |
2608 | for (len = sizeof(ARCHNAME) + 2; | |
2609 | archpat_auto[len] != '\0' && archpat_auto[len] != '/'; len++) | |
2610 | if (archpat_auto[len] == '.') archpat_auto[len] = '_'; | |
2611 | #endif | |
774d564b | 2612 | } |
2613 | } | |
2614 | ||
2615 | /* Break at all separators */ | |
2616 | while (p && *p) { | |
8c52afec | 2617 | SV *libdir = NEWSV(55,0); |
774d564b | 2618 | char *s; |
2619 | ||
2620 | /* skip any consecutive separators */ | |
2621 | while ( *p == PERLLIB_SEP ) { | |
2622 | /* Uncomment the next line for PATH semantics */ | |
2623 | /* av_push(GvAVn(incgv), newSVpv(".", 1)); */ | |
2624 | p++; | |
2625 | } | |
2626 | ||
2627 | if ( (s = strchr(p, PERLLIB_SEP)) != Nullch ) { | |
2628 | sv_setpvn(libdir, PERLLIB_MANGLE(p, (STRLEN)(s - p)), | |
2629 | (STRLEN)(s - p)); | |
2630 | p = s + 1; | |
2631 | } | |
2632 | else { | |
2633 | sv_setpv(libdir, PERLLIB_MANGLE(p, 0)); | |
2634 | p = Nullch; /* break out */ | |
2635 | } | |
2636 | ||
2637 | /* | |
2638 | * BEFORE pushing libdir onto @INC we may first push version- and | |
2639 | * archname-specific sub-directories. | |
2640 | */ | |
2641 | if (addsubdirs) { | |
2642 | struct stat tmpstatbuf; | |
aa689395 | 2643 | #ifdef VMS |
2644 | char *unix; | |
2645 | STRLEN len; | |
774d564b | 2646 | |
aa689395 | 2647 | if ((unix = tounixspec_ts(SvPV(libdir,na),Nullch)) != Nullch) { |
2648 | len = strlen(unix); | |
2649 | while (unix[len-1] == '/') len--; /* Cosmetic */ | |
2650 | sv_usepvn(libdir,unix,len); | |
2651 | } | |
2652 | else | |
2653 | PerlIO_printf(PerlIO_stderr(), | |
2654 | "Failed to unixify @INC element \"%s\"\n", | |
2655 | SvPV(libdir,na)); | |
2656 | #endif | |
4fdae800 | 2657 | /* .../archname/version if -d .../archname/version/auto */ |
774d564b | 2658 | sv_setsv(subdir, libdir); |
2659 | sv_catpv(subdir, archpat_auto); | |
76e3520e | 2660 | if (PerlLIO_stat(SvPVX(subdir), &tmpstatbuf) >= 0 && |
774d564b | 2661 | S_ISDIR(tmpstatbuf.st_mode)) |
2662 | av_push(GvAVn(incgv), | |
2663 | newSVpv(SvPVX(subdir), SvCUR(subdir) - sizeof "auto")); | |
2664 | ||
4fdae800 | 2665 | /* .../archname if -d .../archname/auto */ |
774d564b | 2666 | sv_insert(subdir, SvCUR(libdir) + sizeof(ARCHNAME), |
2667 | strlen(patchlevel) + 1, "", 0); | |
76e3520e | 2668 | if (PerlLIO_stat(SvPVX(subdir), &tmpstatbuf) >= 0 && |
774d564b | 2669 | S_ISDIR(tmpstatbuf.st_mode)) |
2670 | av_push(GvAVn(incgv), | |
2671 | newSVpv(SvPVX(subdir), SvCUR(subdir) - sizeof "auto")); | |
2672 | } | |
2673 | ||
2674 | /* finally push this lib directory on the end of @INC */ | |
2675 | av_push(GvAVn(incgv), libdir); | |
2676 | } | |
34de22dd | 2677 | } |
93a17b20 | 2678 | |
199100c8 | 2679 | #ifdef USE_THREADS |
76e3520e | 2680 | STATIC struct perl_thread * |
199100c8 MB |
2681 | init_main_thread() |
2682 | { | |
52e1cb5e | 2683 | struct perl_thread *thr; |
199100c8 MB |
2684 | XPV *xpv; |
2685 | ||
52e1cb5e | 2686 | Newz(53, thr, 1, struct perl_thread); |
199100c8 MB |
2687 | curcop = &compiling; |
2688 | thr->cvcache = newHV(); | |
54b9620d | 2689 | thr->threadsv = newAV(); |
940cb80d | 2690 | /* thr->threadsvp is set when find_threadsv is called */ |
199100c8 | 2691 | thr->specific = newAV(); |
38a03e6e | 2692 | thr->errhv = newHV(); |
199100c8 MB |
2693 | thr->flags = THRf_R_JOINABLE; |
2694 | MUTEX_INIT(&thr->mutex); | |
2695 | /* Handcraft thrsv similarly to mess_sv */ | |
2696 | New(53, thrsv, 1, SV); | |
2697 | Newz(53, xpv, 1, XPV); | |
2698 | SvFLAGS(thrsv) = SVt_PV; | |
2699 | SvANY(thrsv) = (void*)xpv; | |
2700 | SvREFCNT(thrsv) = 1 << 30; /* practically infinite */ | |
2701 | SvPVX(thrsv) = (char*)thr; | |
2702 | SvCUR_set(thrsv, sizeof(thr)); | |
2703 | SvLEN_set(thrsv, sizeof(thr)); | |
2704 | *SvEND(thrsv) = '\0'; /* in the trailing_nul field */ | |
2705 | thr->oursv = thrsv; | |
199100c8 MB |
2706 | chopset = " \n-"; |
2707 | ||
2708 | MUTEX_LOCK(&threads_mutex); | |
2709 | nthreads++; | |
2710 | thr->tid = 0; | |
2711 | thr->next = thr; | |
2712 | thr->prev = thr; | |
2713 | MUTEX_UNLOCK(&threads_mutex); | |
2714 | ||
4b026b9e GS |
2715 | #ifdef HAVE_THREAD_INTERN |
2716 | init_thread_intern(thr); | |
235db74f GS |
2717 | #endif |
2718 | ||
2719 | #ifdef SET_THREAD_SELF | |
2720 | SET_THREAD_SELF(thr); | |
199100c8 MB |
2721 | #else |
2722 | thr->self = pthread_self(); | |
235db74f | 2723 | #endif /* SET_THREAD_SELF */ |
199100c8 MB |
2724 | SET_THR(thr); |
2725 | ||
2726 | /* | |
2727 | * These must come after the SET_THR because sv_setpvn does | |
2728 | * SvTAINT and the taint fields require dTHR. | |
2729 | */ | |
2730 | toptarget = NEWSV(0,0); | |
2731 | sv_upgrade(toptarget, SVt_PVFM); | |
2732 | sv_setpvn(toptarget, "", 0); | |
2733 | bodytarget = NEWSV(0,0); | |
2734 | sv_upgrade(bodytarget, SVt_PVFM); | |
2735 | sv_setpvn(bodytarget, "", 0); | |
2736 | formtarget = bodytarget; | |
2faa37cc | 2737 | thr->errsv = newSVpv("", 0); |
78857c3c | 2738 | (void) find_threadsv("@"); /* Ensure $@ is initialised early */ |
199100c8 MB |
2739 | return thr; |
2740 | } | |
2741 | #endif /* USE_THREADS */ | |
2742 | ||
93a17b20 | 2743 | void |
76e3520e | 2744 | call_list(I32 oldscope, AV *paramList) |
93a17b20 | 2745 | { |
11343788 | 2746 | dTHR; |
a0d0e21e | 2747 | line_t oldline = curcop->cop_line; |
22921e25 CS |
2748 | STRLEN len; |
2749 | dJMPENV; | |
6224f72b | 2750 | int ret; |
93a17b20 | 2751 | |
76e3520e GS |
2752 | while (AvFILL(paramList) >= 0) { |
2753 | CV *cv = (CV*)av_shift(paramList); | |
93a17b20 | 2754 | |
8990e307 | 2755 | SAVEFREESV(cv); |
a0d0e21e | 2756 | |
6224f72b GS |
2757 | JMPENV_PUSH(ret); |
2758 | switch (ret) { | |
2759 | case 0: { | |
38a03e6e | 2760 | SV* atsv = ERRSV; |
748a9306 LW |
2761 | PUSHMARK(stack_sp); |
2762 | perl_call_sv((SV*)cv, G_EVAL|G_DISCARD); | |
12f917ad | 2763 | (void)SvPV(atsv, len); |
748a9306 | 2764 | if (len) { |
54310121 | 2765 | JMPENV_POP; |
748a9306 LW |
2766 | curcop = &compiling; |
2767 | curcop->cop_line = oldline; | |
76e3520e | 2768 | if (paramList == beginav) |
12f917ad | 2769 | sv_catpv(atsv, "BEGIN failed--compilation aborted"); |
748a9306 | 2770 | else |
12f917ad | 2771 | sv_catpv(atsv, "END failed--cleanup aborted"); |
2ae324a7 | 2772 | while (scopestack_ix > oldscope) |
2773 | LEAVE; | |
12f917ad | 2774 | croak("%s", SvPVX(atsv)); |
748a9306 | 2775 | } |
a0d0e21e | 2776 | } |
85e6fe83 | 2777 | break; |
6224f72b | 2778 | case 1: |
f86702cc | 2779 | STATUS_ALL_FAILURE; |
85e6fe83 | 2780 | /* FALL THROUGH */ |
6224f72b | 2781 | case 2: |
85e6fe83 | 2782 | /* my_exit() was called */ |
2ae324a7 | 2783 | while (scopestack_ix > oldscope) |
2784 | LEAVE; | |
84902520 | 2785 | FREETMPS; |
85e6fe83 LW |
2786 | curstash = defstash; |
2787 | if (endav) | |
68dc0745 | 2788 | call_list(oldscope, endav); |
54310121 | 2789 | JMPENV_POP; |
a0d0e21e LW |
2790 | curcop = &compiling; |
2791 | curcop->cop_line = oldline; | |
85e6fe83 | 2792 | if (statusvalue) { |
76e3520e | 2793 | if (paramList == beginav) |
a0d0e21e | 2794 | croak("BEGIN failed--compilation aborted"); |
85e6fe83 | 2795 | else |
a0d0e21e | 2796 | croak("END failed--cleanup aborted"); |
85e6fe83 | 2797 | } |
f86702cc | 2798 | my_exit_jump(); |
85e6fe83 | 2799 | /* NOTREACHED */ |
6224f72b | 2800 | case 3: |
85e6fe83 | 2801 | if (!restartop) { |
760ac839 | 2802 | PerlIO_printf(PerlIO_stderr(), "panic: restartop\n"); |
a0d0e21e | 2803 | FREETMPS; |
85e6fe83 LW |
2804 | break; |
2805 | } | |
54310121 | 2806 | JMPENV_POP; |
a0d0e21e LW |
2807 | curcop = &compiling; |
2808 | curcop->cop_line = oldline; | |
6224f72b | 2809 | JMPENV_JUMP(3); |
8990e307 | 2810 | } |
54310121 | 2811 | JMPENV_POP; |
93a17b20 | 2812 | } |
93a17b20 | 2813 | } |
93a17b20 | 2814 | |
f86702cc | 2815 | void |
8ac85365 | 2816 | my_exit(U32 status) |
f86702cc | 2817 | { |
5dc0d613 MB |
2818 | dTHR; |
2819 | ||
2820 | #ifdef USE_THREADS | |
a863c7d1 MB |
2821 | DEBUG_L(PerlIO_printf(Perl_debug_log, "my_exit: thread %p, status %lu\n", |
2822 | thr, (unsigned long) status)); | |
5dc0d613 | 2823 | #endif /* USE_THREADS */ |
f86702cc | 2824 | switch (status) { |
2825 | case 0: | |
2826 | STATUS_ALL_SUCCESS; | |
2827 | break; | |
2828 | case 1: | |
2829 | STATUS_ALL_FAILURE; | |
2830 | break; | |
2831 | default: | |
2832 | STATUS_NATIVE_SET(status); | |
2833 | break; | |
2834 | } | |
2835 | my_exit_jump(); | |
2836 | } | |
2837 | ||
2838 | void | |
8ac85365 | 2839 | my_failure_exit(void) |
f86702cc | 2840 | { |
2841 | #ifdef VMS | |
2842 | if (vaxc$errno & 1) { | |
4fdae800 | 2843 | if (STATUS_NATIVE & 1) /* fortuitiously includes "-1" */ |
2844 | STATUS_NATIVE_SET(44); | |
f86702cc | 2845 | } |
2846 | else { | |
ff0cee69 | 2847 | if (!vaxc$errno && errno) /* unlikely */ |
4fdae800 | 2848 | STATUS_NATIVE_SET(44); |
f86702cc | 2849 | else |
4fdae800 | 2850 | STATUS_NATIVE_SET(vaxc$errno); |
f86702cc | 2851 | } |
2852 | #else | |
9b599b2a | 2853 | int exitstatus; |
f86702cc | 2854 | if (errno & 255) |
2855 | STATUS_POSIX_SET(errno); | |
9b599b2a GS |
2856 | else { |
2857 | exitstatus = STATUS_POSIX >> 8; | |
2858 | if (exitstatus & 255) | |
2859 | STATUS_POSIX_SET(exitstatus); | |
2860 | else | |
2861 | STATUS_POSIX_SET(255); | |
2862 | } | |
f86702cc | 2863 | #endif |
2864 | my_exit_jump(); | |
93a17b20 LW |
2865 | } |
2866 | ||
76e3520e | 2867 | STATIC void |
8ac85365 | 2868 | my_exit_jump(void) |
f86702cc | 2869 | { |
bac4b2ad | 2870 | dSP; |
c09156bb | 2871 | register PERL_CONTEXT *cx; |
f86702cc | 2872 | I32 gimme; |
2873 | SV **newsp; | |
2874 | ||
afe37c7d GS |
2875 | if (e_script) { |
2876 | SvREFCNT_dec(e_script); | |
2877 | e_script = Nullsv; | |
f86702cc | 2878 | } |
2879 | ||
bac4b2ad | 2880 | POPSTACK_TO(mainstack); |
f86702cc | 2881 | if (cxstack_ix >= 0) { |
2882 | if (cxstack_ix > 0) | |
2883 | dounwind(0); | |
2884 | POPBLOCK(cx,curpm); | |
2885 | LEAVE; | |
2886 | } | |
ff0cee69 | 2887 | |
6224f72b | 2888 | JMPENV_JUMP(2); |
f86702cc | 2889 | } |
873ef191 GS |
2890 | |
2891 | ||
2892 | #include "XSUB.h" | |
2893 | ||
2894 | static I32 | |
6224f72b GS |
2895 | #ifdef PERL_OBJECT |
2896 | read_e_script(CPerlObj *pPerl, int idx, SV *buf_sv, int maxlen) | |
2897 | #else | |
2898 | read_e_script(int idx, SV *buf_sv, int maxlen) | |
2899 | #endif | |
873ef191 GS |
2900 | { |
2901 | char *p, *nl; | |
873ef191 GS |
2902 | p = SvPVX(e_script); |
2903 | nl = strchr(p, '\n'); | |
2904 | nl = (nl) ? nl+1 : SvEND(e_script); | |
2905 | if (nl-p == 0) | |
2906 | return 0; | |
2907 | sv_catpvn(buf_sv, p, nl-p); | |
2908 | sv_chop(e_script, nl); | |
2909 | return 1; | |
2910 | } | |
2911 | ||
1163b5c4 | 2912 |