Commit | Line | Data |
a0d0e21e |
1 | /* perl.c |
2 | * |
a411490c |
3 | * Copyright (c) 1987-1998 Larry Wall |
a687059c |
4 | * |
352d5a3a |
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 |
8 | */ |
9 | |
a0d0e21e |
10 | /* |
11 | * "A ship then new they built for him/of mithril and of elven glass" --Bilbo |
12 | */ |
45d8adaa |
13 | |
378cc40b |
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 |
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 |
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 |
36 | #ifdef IAMSUID |
37 | #ifndef DOSUID |
38 | #define DOSUID |
39 | #endif |
40 | #endif |
378cc40b |
41 | |
a687059c |
42 | #ifdef SETUID_SCRIPTS_ARE_SECURE_NOW |
43 | #ifdef DOSUID |
44 | #undef DOSUID |
45 | #endif |
46 | #endif |
8d063cd8 |
47 | |
873ef191 |
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 |
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 |
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 |
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 |
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 |
91 | return sv_interp; |
92 | } |
01f988be |
93 | #endif /* PERL_OBJECT */ |
79072805 |
94 | |
95 | void |
76e3520e |
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 |
102 | #ifdef USE_THREADS |
103 | int i; |
104 | #ifndef FAKE_THREADS |
52e1cb5e |
105 | struct perl_thread *thr; |
a863c7d1 |
106 | #endif /* FAKE_THREADS */ |
107 | #endif /* USE_THREADS */ |
11343788 |
108 | |
76e3520e |
109 | #ifndef PERL_OBJECT |
79072805 |
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 |
124 | #ifdef ALLOC_THREAD_KEY |
125 | ALLOC_THREAD_KEY; |
126 | #else |
a863c7d1 |
127 | if (pthread_key_create(&thr_key, 0)) |
128 | croak("panic: pthread_key_create"); |
d55594ae |
129 | #endif |
c116a00c |
130 | MUTEX_INIT(&sv_mutex); |
a863c7d1 |
131 | /* |
132 | * Safe to use basic SV functions from now on (though |
133 | * not things like mortals or tainting yet). |
134 | */ |
c116a00c |
135 | MUTEX_INIT(&eval_mutex); |
136 | COND_INIT(&eval_cond); |
33f46ff6 |
137 | MUTEX_INIT(&threads_mutex); |
c116a00c |
138 | COND_INIT(&nthreads_cond); |
dce16143 |
139 | #ifdef EMULATE_ATOMIC_REFCOUNTS |
140 | MUTEX_INIT(&svref_mutex); |
141 | #endif /* EMULATE_ATOMIC_REFCOUNTS */ |
a863c7d1 |
142 | |
199100c8 |
143 | thr = init_main_thread(); |
11343788 |
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)) { |
d689ffdd |
150 | /* set read-only and try to insure than we wont see REFCNT==0 |
151 | very often */ |
152 | |
6e72f9df |
153 | SvREADONLY_on(&sv_undef); |
d689ffdd |
154 | SvREFCNT(&sv_undef) = (~(U32)0)/2; |
79072805 |
155 | |
6e72f9df |
156 | sv_setpv(&sv_no,No); |
157 | SvNV(&sv_no); |
158 | SvREADONLY_on(&sv_no); |
d689ffdd |
159 | SvREFCNT(&sv_no) = (~(U32)0)/2; |
79072805 |
160 | |
6e72f9df |
161 | sv_setpv(&sv_yes,Yes); |
162 | SvNV(&sv_yes); |
163 | SvREADONLY_on(&sv_yes); |
d689ffdd |
164 | SvREFCNT(&sv_yes) = (~(U32)0)/2; |
6e72f9df |
165 | } |
79072805 |
166 | |
76e3520e |
167 | #ifdef PERL_OBJECT |
168 | /* TODO: */ |
169 | /* sighandlerp = sighandler; */ |
170 | #else |
c23142e2 |
171 | sighandlerp = sighandler; |
76e3520e |
172 | #endif |
44a8e56a |
173 | pidstatus = newHV(); |
174 | |
79072805 |
175 | #ifdef MSDOS |
176 | /* |
177 | * There is no way we can refer to them from Perl so close them to save |
178 | * space. The other alternative would be to provide STDAUX and STDPRN |
179 | * filehandles. |
180 | */ |
181 | (void)fclose(stdaux); |
182 | (void)fclose(stdprn); |
183 | #endif |
184 | } |
185 | |
dc92893f |
186 | nrs = newSVpv("\n", 1); |
187 | rs = SvREFCNT_inc(nrs); |
188 | |
1a441de9 |
189 | init_stacks(ARGS); |
8990e307 |
190 | #ifdef MULTIPLICITY |
cb68f92d |
191 | init_interp(); |
8ebc5c01 |
192 | perl_destruct_level = 1; |
193 | #else |
cb68f92d |
194 | if (perl_destruct_level > 0) |
195 | init_interp(); |
79072805 |
196 | #endif |
197 | |
748a9306 |
198 | init_ids(); |
fb73857a |
199 | lex_state = LEX_NOTPARSING; |
a5f75d66 |
200 | |
6224f72b |
201 | start_env.je_prev = NULL; |
202 | start_env.je_ret = -1; |
203 | start_env.je_mustcatch = TRUE; |
204 | top_env = &start_env; |
f86702cc |
205 | STATUS_ALL_SUCCESS; |
206 | |
36477c24 |
207 | SET_NUMERIC_STANDARD(); |
a5f75d66 |
208 | #if defined(SUBVERSION) && SUBVERSION > 0 |
e2666263 |
209 | sprintf(patchlevel, "%7.5f", (double) 5 |
210 | + ((double) PATCHLEVEL / (double) 1000) |
211 | + ((double) SUBVERSION / (double) 100000)); |
a5f75d66 |
212 | #else |
e2666263 |
213 | sprintf(patchlevel, "%5.3f", (double) 5 + |
214 | ((double) PATCHLEVEL / (double) 1000)); |
a5f75d66 |
215 | #endif |
79072805 |
216 | |
ab821d7f |
217 | #if defined(LOCAL_PATCH_COUNT) |
6e72f9df |
218 | localpatches = local_patches; /* For possible -v */ |
ab821d7f |
219 | #endif |
220 | |
4b556e6c |
221 | PerlIO_init(); /* Hook to IO system */ |
760ac839 |
222 | |
4b556e6c |
223 | fdpid = newAV(); /* for remembering popen pids by fd */ |
224 | modglobal = newHV(); /* pointers to per-interpreter module globals */ |
8990e307 |
225 | |
11343788 |
226 | DEBUG( { |
227 | New(51,debname,128,char); |
228 | New(52,debdelim,128,char); |
229 | } ) |
230 | |
8990e307 |
231 | ENTER; |
79072805 |
232 | } |
233 | |
234 | void |
76e3520e |
235 | #ifdef PERL_OBJECT |
236 | CPerlObj::perl_destruct(void) |
237 | #else |
8ac85365 |
238 | perl_destruct(register PerlInterpreter *sv_interp) |
76e3520e |
239 | #endif |
79072805 |
240 | { |
11343788 |
241 | dTHR; |
748a9306 |
242 | int destruct_level; /* 0=none, 1=full, 2=full with checks */ |
8990e307 |
243 | I32 last_sv_count; |
a0d0e21e |
244 | HV *hv; |
1f2bfc8a |
245 | #ifdef USE_THREADS |
33f46ff6 |
246 | Thread t; |
1f2bfc8a |
247 | #endif /* USE_THREADS */ |
8990e307 |
248 | |
76e3520e |
249 | #ifndef PERL_OBJECT |
79072805 |
250 | if (!(curinterp = sv_interp)) |
251 | return; |
76e3520e |
252 | #endif |
748a9306 |
253 | |
11343788 |
254 | #ifdef USE_THREADS |
0f15f207 |
255 | #ifndef FAKE_THREADS |
8023c3ce |
256 | /* Pass 1 on any remaining threads: detach joinables, join zombies */ |
257 | retry_cleanup: |
33f46ff6 |
258 | MUTEX_LOCK(&threads_mutex); |
259 | DEBUG_L(PerlIO_printf(PerlIO_stderr(), |
c7848ba1 |
260 | "perl_destruct: waiting for %d threads...\n", |
33f46ff6 |
261 | nthreads - 1)); |
262 | for (t = thr->next; t != thr; t = t->next) { |
605e5515 |
263 | MUTEX_LOCK(&t->mutex); |
264 | switch (ThrSTATE(t)) { |
265 | AV *av; |
c7848ba1 |
266 | case THRf_ZOMBIE: |
267 | DEBUG_L(PerlIO_printf(PerlIO_stderr(), |
268 | "perl_destruct: joining zombie %p\n", t)); |
605e5515 |
269 | ThrSETSTATE(t, THRf_DEAD); |
270 | MUTEX_UNLOCK(&t->mutex); |
271 | nthreads--; |
8023c3ce |
272 | /* |
273 | * The SvREFCNT_dec below may take a long time (e.g. av |
274 | * may contain an object scalar whose destructor gets |
275 | * called) so we have to unlock threads_mutex and start |
276 | * all over again. |
277 | */ |
605e5515 |
278 | MUTEX_UNLOCK(&threads_mutex); |
ea0efc06 |
279 | JOIN(t, &av); |
605e5515 |
280 | SvREFCNT_dec((SV*)av); |
c7848ba1 |
281 | DEBUG_L(PerlIO_printf(PerlIO_stderr(), |
282 | "perl_destruct: joined zombie %p OK\n", t)); |
8023c3ce |
283 | goto retry_cleanup; |
c7848ba1 |
284 | case THRf_R_JOINABLE: |
285 | DEBUG_L(PerlIO_printf(PerlIO_stderr(), |
286 | "perl_destruct: detaching thread %p\n", t)); |
287 | ThrSETSTATE(t, THRf_R_DETACHED); |
288 | /* |
289 | * We unlock threads_mutex and t->mutex in the opposite order |
290 | * from which we locked them just so that DETACH won't |
291 | * deadlock if it panics. It's only a breach of good style |
292 | * not a bug since they are unlocks not locks. |
293 | */ |
294 | MUTEX_UNLOCK(&threads_mutex); |
295 | DETACH(t); |
296 | MUTEX_UNLOCK(&t->mutex); |
8023c3ce |
297 | goto retry_cleanup; |
c7848ba1 |
298 | default: |
299 | DEBUG_L(PerlIO_printf(PerlIO_stderr(), |
300 | "perl_destruct: ignoring %p (state %u)\n", |
301 | t, ThrSTATE(t))); |
302 | MUTEX_UNLOCK(&t->mutex); |
c7848ba1 |
303 | /* fall through and out */ |
33f46ff6 |
304 | } |
305 | } |
8023c3ce |
306 | /* We leave the above "Pass 1" loop with threads_mutex still locked */ |
307 | |
308 | /* Pass 2 on remaining threads: wait for the thread count to drop to one */ |
11343788 |
309 | while (nthreads > 1) |
310 | { |
33f46ff6 |
311 | DEBUG_L(PerlIO_printf(PerlIO_stderr(), |
c7848ba1 |
312 | "perl_destruct: final wait for %d threads\n", |
33f46ff6 |
313 | nthreads - 1)); |
314 | COND_WAIT(&nthreads_cond, &threads_mutex); |
11343788 |
315 | } |
316 | /* At this point, we're the last thread */ |
33f46ff6 |
317 | MUTEX_UNLOCK(&threads_mutex); |
d9f997d7 |
318 | DEBUG_L(PerlIO_printf(PerlIO_stderr(), "perl_destruct: armageddon has arrived\n")); |
33f46ff6 |
319 | MUTEX_DESTROY(&threads_mutex); |
11343788 |
320 | COND_DESTROY(&nthreads_cond); |
0f15f207 |
321 | #endif /* !defined(FAKE_THREADS) */ |
11343788 |
322 | #endif /* USE_THREADS */ |
323 | |
748a9306 |
324 | destruct_level = perl_destruct_level; |
4633a7c4 |
325 | #ifdef DEBUGGING |
326 | { |
327 | char *s; |
76e3520e |
328 | if (s = PerlEnv_getenv("PERL_DESTRUCT_LEVEL")) { |
5f05dabc |
329 | int i = atoi(s); |
330 | if (destruct_level < i) |
331 | destruct_level = i; |
332 | } |
4633a7c4 |
333 | } |
334 | #endif |
335 | |
8990e307 |
336 | LEAVE; |
a0d0e21e |
337 | FREETMPS; |
338 | |
cb68f92d |
339 | #ifdef MULTIPLICITY |
340 | --ninterps; |
341 | #endif |
342 | |
ff0cee69 |
343 | /* We must account for everything. */ |
344 | |
345 | /* Destroy the main CV and syntax tree */ |
6e72f9df |
346 | if (main_root) { |
347 | curpad = AvARRAY(comppad); |
348 | op_free(main_root); |
ff0cee69 |
349 | main_root = Nullop; |
a0d0e21e |
350 | } |
bac4b2ad |
351 | curcop = &compiling; |
ff0cee69 |
352 | main_start = Nullop; |
353 | SvREFCNT_dec(main_cv); |
354 | main_cv = Nullcv; |
355 | |
a0d0e21e |
356 | if (sv_objcount) { |
357 | /* |
358 | * Try to destruct global references. We do this first so that the |
359 | * destructors and destructees still exist. Some sv's might remain. |
360 | * Non-referenced objects are on their own. |
361 | */ |
362 | |
363 | dirty = TRUE; |
364 | sv_clean_objs(); |
8990e307 |
365 | } |
366 | |
5cd24f17 |
367 | /* unhook hooks which will soon be, or use, destroyed data */ |
368 | SvREFCNT_dec(warnhook); |
369 | warnhook = Nullsv; |
370 | SvREFCNT_dec(diehook); |
371 | diehook = Nullsv; |
372 | SvREFCNT_dec(parsehook); |
373 | parsehook = Nullsv; |
374 | |
4b556e6c |
375 | /* call exit list functions */ |
376 | while (exitlistlen-- > 0) |
1d583055 |
377 | exitlist[exitlistlen].fn(PERL_OBJECT_THIS_ exitlist[exitlistlen].ptr); |
4b556e6c |
378 | |
379 | Safefree(exitlist); |
380 | |
a0d0e21e |
381 | if (destruct_level == 0){ |
8990e307 |
382 | |
a0d0e21e |
383 | DEBUG_P(debprofdump()); |
384 | |
385 | /* The exit() function will do everything that needs doing. */ |
386 | return; |
387 | } |
5dd60ef7 |
388 | |
5f05dabc |
389 | /* loosen bonds of global variables */ |
390 | |
8ebc5c01 |
391 | if(rsfp) { |
392 | (void)PerlIO_close(rsfp); |
393 | rsfp = Nullfp; |
394 | } |
395 | |
396 | /* Filters for program text */ |
397 | SvREFCNT_dec(rsfp_filters); |
398 | rsfp_filters = Nullav; |
399 | |
400 | /* switches */ |
401 | preprocess = FALSE; |
402 | minus_n = FALSE; |
403 | minus_p = FALSE; |
404 | minus_l = FALSE; |
405 | minus_a = FALSE; |
406 | minus_F = FALSE; |
407 | doswitches = FALSE; |
408 | dowarn = FALSE; |
409 | doextract = FALSE; |
410 | sawampersand = FALSE; /* must save all match strings */ |
411 | sawstudy = FALSE; /* do fbm_instr on all strings */ |
412 | sawvec = FALSE; |
413 | unsafe = FALSE; |
414 | |
415 | Safefree(inplace); |
416 | inplace = Nullch; |
417 | |
afe37c7d |
418 | if (e_script) { |
419 | SvREFCNT_dec(e_script); |
420 | e_script = Nullsv; |
8ebc5c01 |
421 | } |
422 | |
423 | /* magical thingies */ |
424 | |
425 | Safefree(ofs); /* $, */ |
426 | ofs = Nullch; |
5f05dabc |
427 | |
8ebc5c01 |
428 | Safefree(ors); /* $\ */ |
429 | ors = Nullch; |
430 | |
dc92893f |
431 | SvREFCNT_dec(rs); /* $/ */ |
432 | rs = Nullsv; |
433 | |
434 | SvREFCNT_dec(nrs); /* $/ helper */ |
5f05dabc |
435 | nrs = Nullsv; |
436 | |
8ebc5c01 |
437 | multiline = 0; /* $* */ |
5f05dabc |
438 | |
8ebc5c01 |
439 | SvREFCNT_dec(statname); |
5f05dabc |
440 | statname = Nullsv; |
441 | statgv = Nullgv; |
5f05dabc |
442 | |
8ebc5c01 |
443 | /* defgv, aka *_ should be taken care of elsewhere */ |
444 | |
8ebc5c01 |
445 | /* clean up after study() */ |
446 | SvREFCNT_dec(lastscream); |
447 | lastscream = Nullsv; |
448 | Safefree(screamfirst); |
449 | screamfirst = 0; |
450 | Safefree(screamnext); |
451 | screamnext = 0; |
452 | |
453 | /* startup and shutdown function lists */ |
454 | SvREFCNT_dec(beginav); |
455 | SvREFCNT_dec(endav); |
77a005ab |
456 | SvREFCNT_dec(initav); |
5618dfe8 |
457 | beginav = Nullav; |
5618dfe8 |
458 | endav = Nullav; |
77a005ab |
459 | initav = Nullav; |
5618dfe8 |
460 | |
8ebc5c01 |
461 | /* shortcuts just get cleared */ |
462 | envgv = Nullgv; |
463 | siggv = Nullgv; |
464 | incgv = Nullgv; |
b3ac6de7 |
465 | hintgv = Nullgv; |
12f917ad |
466 | errgv = Nullgv; |
8ebc5c01 |
467 | argvgv = Nullgv; |
468 | argvoutgv = Nullgv; |
469 | stdingv = Nullgv; |
470 | last_in_gv = Nullgv; |
ce862d02 |
471 | replgv = Nullgv; |
8ebc5c01 |
472 | |
473 | /* reset so print() ends up where we expect */ |
474 | setdefout(Nullgv); |
475 | |
a0d0e21e |
476 | /* Prepare to destruct main symbol table. */ |
5f05dabc |
477 | |
a0d0e21e |
478 | hv = defstash; |
85e6fe83 |
479 | defstash = 0; |
a0d0e21e |
480 | SvREFCNT_dec(hv); |
481 | |
482 | FREETMPS; |
483 | if (destruct_level >= 2) { |
484 | if (scopestack_ix != 0) |
ff0cee69 |
485 | warn("Unbalanced scopes: %ld more ENTERs than LEAVEs\n", |
486 | (long)scopestack_ix); |
a0d0e21e |
487 | if (savestack_ix != 0) |
ff0cee69 |
488 | warn("Unbalanced saves: %ld more saves than restores\n", |
489 | (long)savestack_ix); |
a0d0e21e |
490 | if (tmps_floor != -1) |
ff0cee69 |
491 | warn("Unbalanced tmps: %ld more allocs than frees\n", |
492 | (long)tmps_floor + 1); |
a0d0e21e |
493 | if (cxstack_ix != -1) |
ff0cee69 |
494 | warn("Unbalanced context: %ld more PUSHes than POPs\n", |
495 | (long)cxstack_ix + 1); |
a0d0e21e |
496 | } |
8990e307 |
497 | |
498 | /* Now absolutely destruct everything, somehow or other, loops or no. */ |
8990e307 |
499 | last_sv_count = 0; |
6e72f9df |
500 | SvFLAGS(strtab) |= SVTYPEMASK; /* don't clean out strtab now */ |
8990e307 |
501 | while (sv_count != 0 && sv_count != last_sv_count) { |
502 | last_sv_count = sv_count; |
503 | sv_clean_all(); |
504 | } |
6e72f9df |
505 | SvFLAGS(strtab) &= ~SVTYPEMASK; |
506 | SvFLAGS(strtab) |= SVt_PVHV; |
507 | |
508 | /* Destruct the global string table. */ |
509 | { |
510 | /* Yell and reset the HeVAL() slots that are still holding refcounts, |
511 | * so that sv_free() won't fail on them. |
512 | */ |
513 | I32 riter; |
514 | I32 max; |
515 | HE *hent; |
516 | HE **array; |
517 | |
518 | riter = 0; |
519 | max = HvMAX(strtab); |
520 | array = HvARRAY(strtab); |
521 | hent = array[0]; |
522 | for (;;) { |
523 | if (hent) { |
524 | warn("Unbalanced string table refcount: (%d) for \"%s\"", |
525 | HeVAL(hent) - Nullsv, HeKEY(hent)); |
526 | HeVAL(hent) = Nullsv; |
527 | hent = HeNEXT(hent); |
528 | } |
529 | if (!hent) { |
530 | if (++riter > max) |
531 | break; |
532 | hent = array[riter]; |
533 | } |
534 | } |
535 | } |
536 | SvREFCNT_dec(strtab); |
537 | |
8990e307 |
538 | if (sv_count != 0) |
ff0cee69 |
539 | warn("Scalars leaked: %ld\n", (long)sv_count); |
6e72f9df |
540 | |
4633a7c4 |
541 | sv_free_arenas(); |
44a8e56a |
542 | |
543 | /* No SVs have survived, need to clean out */ |
544 | linestr = NULL; |
545 | pidstatus = Nullhv; |
00db4c45 |
546 | Safefree(origfilename); |
547 | Safefree(archpat_auto); |
548 | Safefree(reg_start_tmp); |
549 | Safefree(HeKEY_hek(&hv_fetch_ent_mh)); |
550 | Safefree(op_mask); |
6e72f9df |
551 | nuke_stacks(); |
fc36a67e |
552 | hints = 0; /* Reset hints. Should hints be per-interpreter ? */ |
a0d0e21e |
553 | |
554 | DEBUG_P(debprofdump()); |
11343788 |
555 | #ifdef USE_THREADS |
556 | MUTEX_DESTROY(&sv_mutex); |
11343788 |
557 | MUTEX_DESTROY(&eval_mutex); |
c116a00c |
558 | COND_DESTROY(&eval_cond); |
fc36a67e |
559 | |
8023c3ce |
560 | /* As the penultimate thing, free the non-arena SV for thrsv */ |
561 | Safefree(SvPVX(thrsv)); |
562 | Safefree(SvANY(thrsv)); |
563 | Safefree(thrsv); |
564 | thrsv = Nullsv; |
565 | #endif /* USE_THREADS */ |
566 | |
fc36a67e |
567 | /* As the absolutely last thing, free the non-arena SV for mess() */ |
568 | |
569 | if (mess_sv) { |
570 | /* we know that type >= SVt_PV */ |
571 | SvOOK_off(mess_sv); |
572 | Safefree(SvPVX(mess_sv)); |
573 | Safefree(SvANY(mess_sv)); |
574 | Safefree(mess_sv); |
575 | mess_sv = Nullsv; |
576 | } |
79072805 |
577 | } |
578 | |
579 | void |
76e3520e |
580 | #ifdef PERL_OBJECT |
581 | CPerlObj::perl_free(void) |
582 | #else |
8ac85365 |
583 | perl_free(PerlInterpreter *sv_interp) |
76e3520e |
584 | #endif |
79072805 |
585 | { |
76e3520e |
586 | #ifdef PERL_OBJECT |
565764a8 |
587 | Safefree(this); |
76e3520e |
588 | #else |
79072805 |
589 | if (!(curinterp = sv_interp)) |
590 | return; |
591 | Safefree(sv_interp); |
76e3520e |
592 | #endif |
79072805 |
593 | } |
594 | |
4b556e6c |
595 | void |
873ef191 |
596 | #ifdef PERL_OBJECT |
597 | CPerlObj::perl_atexit(void (*fn) (CPerlObj*,void *), void *ptr) |
598 | #else |
4b556e6c |
599 | perl_atexit(void (*fn) (void *), void *ptr) |
873ef191 |
600 | #endif |
4b556e6c |
601 | { |
7614df0c |
602 | Renew(exitlist, exitlistlen+1, PerlExitListEntry); |
4b556e6c |
603 | exitlist[exitlistlen].fn = fn; |
604 | exitlist[exitlistlen].ptr = ptr; |
605 | ++exitlistlen; |
606 | } |
607 | |
79072805 |
608 | int |
76e3520e |
609 | #ifdef PERL_OBJECT |
610 | CPerlObj::perl_parse(void (*xsinit) (CPerlObj*), int argc, char **argv, char **env) |
611 | #else |
8ac85365 |
612 | perl_parse(PerlInterpreter *sv_interp, void (*xsinit) (void), int argc, char **argv, char **env) |
76e3520e |
613 | #endif |
8d063cd8 |
614 | { |
11343788 |
615 | dTHR; |
6224f72b |
616 | register SV *sv; |
617 | register char *s; |
618 | char *scriptname = NULL; |
619 | VOL bool dosearch = FALSE; |
620 | char *validarg = ""; |
621 | I32 oldscope; |
622 | AV* comppadlist; |
623 | dJMPENV; |
624 | int ret; |
625 | int fdscript = -1; |
8d063cd8 |
626 | |
a687059c |
627 | #ifdef SETUID_SCRIPTS_ARE_SECURE_NOW |
628 | #ifdef IAMSUID |
629 | #undef IAMSUID |
463ee0b2 |
630 | croak("suidperl is no longer needed since the kernel can now execute\n\ |
a687059c |
631 | setuid perl scripts securely.\n"); |
632 | #endif |
633 | #endif |
634 | |
76e3520e |
635 | #ifndef PERL_OBJECT |
79072805 |
636 | if (!(curinterp = sv_interp)) |
637 | return 255; |
76e3520e |
638 | #endif |
79072805 |
639 | |
6e72f9df |
640 | #if defined(NeXT) && defined(__DYNAMIC__) |
641 | _dyld_lookup_and_bind |
642 | ("__environ", (unsigned long *) &environ_pointer, NULL); |
643 | #endif /* environ */ |
644 | |
ac58e20f |
645 | origargv = argv; |
646 | origargc = argc; |
a0d0e21e |
647 | #ifndef VMS /* VMS doesn't have environ array */ |
fe14fcc3 |
648 | origenviron = environ; |
a0d0e21e |
649 | #endif |
650 | |
651 | if (do_undump) { |
652 | |
653 | /* Come here if running an undumped a.out. */ |
654 | |
655 | origfilename = savepv(argv[0]); |
656 | do_undump = FALSE; |
657 | cxstack_ix = -1; /* start label stack again */ |
748a9306 |
658 | init_ids(); |
a0d0e21e |
659 | init_postdump_symbols(argc,argv,env); |
660 | return 0; |
661 | } |
662 | |
ff0cee69 |
663 | if (main_root) { |
664 | curpad = AvARRAY(comppad); |
a0d0e21e |
665 | op_free(main_root); |
ff0cee69 |
666 | main_root = Nullop; |
667 | } |
668 | main_start = Nullop; |
669 | SvREFCNT_dec(main_cv); |
670 | main_cv = Nullcv; |
79072805 |
671 | |
f86702cc |
672 | time(&basetime); |
6224f72b |
673 | oldscope = scopestack_ix; |
f86702cc |
674 | |
6224f72b |
675 | JMPENV_PUSH(ret); |
676 | switch (ret) { |
677 | case 1: |
678 | STATUS_ALL_FAILURE; |
679 | /* FALL THROUGH */ |
680 | case 2: |
681 | /* my_exit() was called */ |
682 | while (scopestack_ix > oldscope) |
683 | LEAVE; |
684 | FREETMPS; |
685 | curstash = defstash; |
686 | if (endav) |
687 | call_list(oldscope, endav); |
688 | JMPENV_POP; |
689 | return STATUS_NATIVE_EXPORT; |
690 | case 3: |
691 | JMPENV_POP; |
692 | PerlIO_printf(PerlIO_stderr(), "panic: top_env\n"); |
693 | return 1; |
694 | } |
79072805 |
695 | |
6224f72b |
696 | sv_setpvn(linestr,"",0); |
697 | sv = newSVpv("",0); /* first used for -I flags */ |
698 | SAVEFREESV(sv); |
699 | init_main_stash(); |
54310121 |
700 | |
6224f72b |
701 | for (argc--,argv++; argc > 0; argc--,argv++) { |
702 | if (argv[0][0] != '-' || !argv[0][1]) |
703 | break; |
704 | #ifdef DOSUID |
705 | if (*validarg) |
706 | validarg = " PHOOEY "; |
707 | else |
708 | validarg = argv[0]; |
13281fa4 |
709 | #endif |
6224f72b |
710 | s = argv[0]+1; |
711 | reswitch: |
712 | switch (*s) { |
713 | case ' ': |
714 | case '0': |
715 | case 'F': |
716 | case 'a': |
717 | case 'c': |
718 | case 'd': |
719 | case 'D': |
720 | case 'h': |
721 | case 'i': |
722 | case 'l': |
723 | case 'M': |
724 | case 'm': |
725 | case 'n': |
726 | case 'p': |
727 | case 's': |
728 | case 'u': |
729 | case 'U': |
730 | case 'v': |
731 | case 'w': |
732 | if (s = moreswitches(s)) |
733 | goto reswitch; |
734 | break; |
33b78306 |
735 | |
6224f72b |
736 | case 'T': |
737 | tainting = TRUE; |
738 | s++; |
739 | goto reswitch; |
f86702cc |
740 | |
6224f72b |
741 | case 'e': |
742 | if (euid != uid || egid != gid) |
743 | croak("No -e allowed in setuid scripts"); |
744 | if (!e_script) { |
745 | e_script = newSVpv("",0); |
746 | filter_add(read_e_script, NULL); |
747 | } |
748 | if (*++s) |
749 | sv_catpv(e_script, s); |
750 | else if (argv[1]) { |
751 | sv_catpv(e_script, argv[1]); |
752 | argc--,argv++; |
753 | } |
754 | else |
755 | croak("No code specified for -e"); |
756 | sv_catpv(e_script, "\n"); |
757 | break; |
afe37c7d |
758 | |
6224f72b |
759 | case 'I': /* -I handled both here and in moreswitches() */ |
760 | forbid_setid("-I"); |
761 | if (!*++s && (s=argv[1]) != Nullch) { |
762 | argc--,argv++; |
763 | } |
764 | while (s && isSPACE(*s)) |
765 | ++s; |
766 | if (s && *s) { |
767 | char *e, *p; |
768 | for (e = s; *e && !isSPACE(*e); e++) ; |
769 | p = savepvn(s, e-s); |
770 | incpush(p, TRUE); |
771 | sv_catpv(sv,"-I"); |
772 | sv_catpv(sv,p); |
773 | sv_catpv(sv," "); |
774 | Safefree(p); |
775 | } /* XXX else croak? */ |
776 | break; |
777 | case 'P': |
778 | forbid_setid("-P"); |
779 | preprocess = TRUE; |
780 | s++; |
781 | goto reswitch; |
782 | case 'S': |
783 | forbid_setid("-S"); |
784 | dosearch = TRUE; |
785 | s++; |
786 | goto reswitch; |
787 | case 'V': |
788 | if (!preambleav) |
789 | preambleav = newAV(); |
790 | av_push(preambleav, newSVpv("use Config qw(myconfig config_vars)",0)); |
791 | if (*++s != ':') { |
792 | Sv = newSVpv("print myconfig();",0); |
793 | #ifdef VMS |
794 | sv_catpv(Sv,"print \"\\nCharacteristics of this PERLSHR image: \\n\","); |
795 | #else |
796 | sv_catpv(Sv,"print \"\\nCharacteristics of this binary (from libperl): \\n\","); |
797 | #endif |
798 | #if defined(DEBUGGING) || defined(NO_EMBED) || defined(MULTIPLICITY) |
799 | sv_catpv(Sv,"\" Compile-time options:"); |
800 | # ifdef DEBUGGING |
801 | sv_catpv(Sv," DEBUGGING"); |
802 | # endif |
803 | # ifdef NO_EMBED |
804 | sv_catpv(Sv," NO_EMBED"); |
805 | # endif |
806 | # ifdef MULTIPLICITY |
807 | sv_catpv(Sv," MULTIPLICITY"); |
808 | # endif |
809 | sv_catpv(Sv,"\\n\","); |
810 | #endif |
811 | #if defined(LOCAL_PATCH_COUNT) |
812 | if (LOCAL_PATCH_COUNT > 0) { |
813 | int i; |
814 | sv_catpv(Sv,"\" Locally applied patches:\\n\","); |
815 | for (i = 1; i <= LOCAL_PATCH_COUNT; i++) { |
816 | if (localpatches[i]) |
817 | sv_catpvf(Sv,"\" \\t%s\\n\",",localpatches[i]); |
818 | } |
819 | } |
820 | #endif |
821 | sv_catpvf(Sv,"\" Built under %s\\n\"",OSNAME); |
822 | #ifdef __DATE__ |
823 | # ifdef __TIME__ |
824 | sv_catpvf(Sv,",\" Compiled at %s %s\\n\"",__DATE__,__TIME__); |
825 | # else |
826 | sv_catpvf(Sv,",\" Compiled on %s\\n\"",__DATE__); |
827 | # endif |
828 | #endif |
829 | sv_catpv(Sv, "; \ |
830 | $\"=\"\\n \"; \ |
831 | @env = map { \"$_=\\\"$ENV{$_}\\\"\" } sort grep {/^PERL/} keys %ENV; \ |
832 | print \" \\%ENV:\\n @env\\n\" if @env; \ |
833 | print \" \\@INC:\\n @INC\\n\";"); |
834 | } |
835 | else { |
836 | Sv = newSVpv("config_vars(qw(",0); |
837 | sv_catpv(Sv, ++s); |
838 | sv_catpv(Sv, "))"); |
839 | s += strlen(s); |
840 | } |
841 | av_push(preambleav, Sv); |
842 | scriptname = BIT_BUCKET; /* don't look for script or read stdin */ |
843 | goto reswitch; |
844 | case 'x': |
845 | doextract = TRUE; |
846 | s++; |
847 | if (*s) |
848 | cddir = savepv(s); |
849 | break; |
850 | case 0: |
851 | break; |
852 | case '-': |
853 | if (!*++s || isSPACE(*s)) { |
854 | argc--,argv++; |
855 | goto switch_end; |
856 | } |
857 | /* catch use of gnu style long options */ |
858 | if (strEQ(s, "version")) { |
859 | s = "v"; |
860 | goto reswitch; |
861 | } |
862 | if (strEQ(s, "help")) { |
863 | s = "h"; |
864 | goto reswitch; |
865 | } |
866 | s--; |
867 | /* FALL THROUGH */ |
868 | default: |
869 | croak("Unrecognized switch: -%s (-h will show valid options)",s); |
8d063cd8 |
870 | } |
871 | } |
6224f72b |
872 | switch_end: |
54310121 |
873 | |
6224f72b |
874 | if (!tainting && (s = PerlEnv_getenv("PERL5OPT"))) { |
875 | while (s && *s) { |
876 | while (isSPACE(*s)) |
877 | s++; |
878 | if (*s == '-') { |
879 | s++; |
880 | if (isSPACE(*s)) |
881 | continue; |
882 | } |
883 | if (!*s) |
884 | break; |
885 | if (!strchr("DIMUdmw", *s)) |
886 | croak("Illegal switch in PERL5OPT: -%c", *s); |
887 | s = moreswitches(s); |
888 | } |
889 | } |
a0d0e21e |
890 | |
6224f72b |
891 | if (!scriptname) |
892 | scriptname = argv[0]; |
893 | if (e_script) { |
894 | argc++,argv--; |
895 | scriptname = BIT_BUCKET; /* don't look for script or read stdin */ |
896 | } |
897 | else if (scriptname == Nullch) { |
898 | #ifdef MSDOS |
899 | if ( PerlLIO_isatty(PerlIO_fileno(PerlIO_stdin())) ) |
900 | moreswitches("h"); |
901 | #endif |
902 | scriptname = "-"; |
903 | } |
904 | |
905 | init_perllib(); |
906 | |
907 | open_script(scriptname,dosearch,sv,&fdscript); |
908 | |
909 | validate_suid(validarg, scriptname,fdscript); |
910 | |
911 | if (doextract) |
912 | find_beginning(); |
913 | |
914 | main_cv = compcv = (CV*)NEWSV(1104,0); |
915 | sv_upgrade((SV *)compcv, SVt_PVCV); |
916 | CvUNIQUE_on(compcv); |
917 | |
918 | comppad = newAV(); |
919 | av_push(comppad, Nullsv); |
920 | curpad = AvARRAY(comppad); |
921 | comppad_name = newAV(); |
922 | comppad_name_fill = 0; |
923 | min_intro_pending = 0; |
924 | padix = 0; |
925 | #ifdef USE_THREADS |
926 | av_store(comppad_name, 0, newSVpv("@_", 2)); |
927 | curpad[0] = (SV*)newAV(); |
928 | SvPADMY_on(curpad[0]); /* XXX Needed? */ |
929 | CvOWNER(compcv) = 0; |
930 | New(666, CvMUTEXP(compcv), 1, perl_mutex); |
931 | MUTEX_INIT(CvMUTEXP(compcv)); |
932 | #endif /* USE_THREADS */ |
933 | |
934 | comppadlist = newAV(); |
935 | AvREAL_off(comppadlist); |
936 | av_store(comppadlist, 0, (SV*)comppad_name); |
937 | av_store(comppadlist, 1, (SV*)comppad); |
938 | CvPADLIST(compcv) = comppadlist; |
939 | |
940 | boot_core_UNIVERSAL(); |
941 | |
942 | if (xsinit) |
943 | (*xsinit)(PERL_OBJECT_THIS); /* in case linked C routines want magical variables */ |
944 | #if defined(VMS) || defined(WIN32) || defined(DJGPP) |
945 | init_os_extras(); |
946 | #endif |
947 | |
948 | init_predump_symbols(); |
949 | /* init_postdump_symbols not currently designed to be called */ |
950 | /* more than once (ENV isn't cleared first, for example) */ |
951 | /* But running with -u leaves %ENV & @ARGV undefined! XXX */ |
952 | if (!do_undump) |
953 | init_postdump_symbols(argc,argv,env); |
954 | |
955 | init_lexer(); |
956 | |
957 | /* now parse the script */ |
958 | |
959 | SETERRNO(0,SS$_NORMAL); |
960 | error_count = 0; |
961 | if (yyparse() || error_count) { |
962 | if (minus_c) |
963 | croak("%s had compilation errors.\n", origfilename); |
964 | else { |
965 | croak("Execution of %s aborted due to compilation errors.\n", |
966 | origfilename); |
967 | } |
968 | } |
969 | curcop->cop_line = 0; |
970 | curstash = defstash; |
971 | preprocess = FALSE; |
972 | if (e_script) { |
973 | SvREFCNT_dec(e_script); |
974 | e_script = Nullsv; |
975 | } |
976 | |
977 | /* now that script is parsed, we can modify record separator */ |
978 | SvREFCNT_dec(rs); |
979 | rs = SvREFCNT_inc(nrs); |
980 | sv_setsv(perl_get_sv("/", TRUE), rs); |
981 | if (do_undump) |
982 | my_unexec(); |
983 | |
984 | if (dowarn) |
985 | gv_check(defstash); |
986 | |
987 | LEAVE; |
988 | FREETMPS; |
989 | |
990 | #ifdef MYMALLOC |
991 | if ((s=PerlEnv_getenv("PERL_DEBUG_MSTATS")) && atoi(s) >= 2) |
992 | dump_mstats("after compilation:"); |
993 | #endif |
994 | |
995 | ENTER; |
996 | restartop = 0; |
997 | JMPENV_POP; |
998 | return 0; |
999 | } |
1000 | |
1001 | int |
1002 | #ifdef PERL_OBJECT |
1003 | CPerlObj::perl_run(void) |
1004 | #else |
1005 | perl_run(PerlInterpreter *sv_interp) |
1006 | #endif |
1007 | { |
1008 | dSP; |
1009 | I32 oldscope; |
1010 | dJMPENV; |
1011 | int ret; |
1012 | |
1013 | #ifndef PERL_OBJECT |
1014 | if (!(curinterp = sv_interp)) |
1015 | return 255; |
1016 | #endif |
1017 | |
1018 | oldscope = scopestack_ix; |
1019 | |
1020 | JMPENV_PUSH(ret); |
1021 | switch (ret) { |
1022 | case 1: |
1023 | cxstack_ix = -1; /* start context stack again */ |
1024 | break; |
1025 | case 2: |
1026 | /* my_exit() was called */ |
1027 | while (scopestack_ix > oldscope) |
1028 | LEAVE; |
1029 | FREETMPS; |
1030 | curstash = defstash; |
1031 | if (endav) |
1032 | call_list(oldscope, endav); |
1033 | #ifdef MYMALLOC |
1034 | if (PerlEnv_getenv("PERL_DEBUG_MSTATS")) |
1035 | dump_mstats("after execution: "); |
1036 | #endif |
1037 | JMPENV_POP; |
1038 | return STATUS_NATIVE_EXPORT; |
1039 | case 3: |
1040 | if (!restartop) { |
1041 | PerlIO_printf(PerlIO_stderr(), "panic: restartop\n"); |
1042 | FREETMPS; |
1043 | JMPENV_POP; |
1044 | return 1; |
1045 | } |
1046 | POPSTACK_TO(mainstack); |
1047 | break; |
1048 | } |
1049 | |
1050 | DEBUG_r(PerlIO_printf(Perl_debug_log, "%s $` $& $' support.\n", |
1051 | sawampersand ? "Enabling" : "Omitting")); |
1052 | |
1053 | if (!restartop) { |
1054 | DEBUG_x(dump_all()); |
1055 | DEBUG(PerlIO_printf(Perl_debug_log, "\nEXECUTING...\n\n")); |
1056 | #ifdef USE_THREADS |
1057 | DEBUG_L(PerlIO_printf(Perl_debug_log, "main thread is 0x%lx\n", |
1058 | (unsigned long) thr)); |
1059 | #endif /* USE_THREADS */ |
1060 | |
1061 | if (minus_c) { |
1062 | PerlIO_printf(PerlIO_stderr(), "%s syntax OK\n", origfilename); |
1063 | my_exit(0); |
1064 | } |
1065 | if (PERLDB_SINGLE && DBsingle) |
1066 | sv_setiv(DBsingle, 1); |
1067 | if (initav) |
1068 | call_list(oldscope, initav); |
1069 | } |
1070 | |
1071 | /* do it */ |
1072 | |
1073 | if (restartop) { |
1074 | op = restartop; |
1075 | restartop = 0; |
1076 | CALLRUNOPS(); |
1077 | } |
1078 | else if (main_start) { |
1079 | CvDEPTH(main_cv) = 1; |
1080 | op = main_start; |
1081 | CALLRUNOPS(); |
1082 | } |
1083 | |
1084 | my_exit(0); |
1085 | /* NOTREACHED */ |
1086 | return 0; |
1087 | } |
1088 | |
1089 | SV* |
1090 | perl_get_sv(char *name, I32 create) |
1091 | { |
1092 | GV *gv; |
1093 | #ifdef USE_THREADS |
1094 | if (name[1] == '\0' && !isALPHA(name[0])) { |
1095 | PADOFFSET tmp = find_threadsv(name); |
1096 | if (tmp != NOT_IN_PAD) { |
1097 | dTHR; |
1098 | return THREADSV(tmp); |
1099 | } |
1100 | } |
1101 | #endif /* USE_THREADS */ |
1102 | gv = gv_fetchpv(name, create, SVt_PV); |
1103 | if (gv) |
1104 | return GvSV(gv); |
1105 | return Nullsv; |
1106 | } |
1107 | |
1108 | AV* |
1109 | perl_get_av(char *name, I32 create) |
1110 | { |
1111 | GV* gv = gv_fetchpv(name, create, SVt_PVAV); |
1112 | if (create) |
1113 | return GvAVn(gv); |
1114 | if (gv) |
1115 | return GvAV(gv); |
1116 | return Nullav; |
1117 | } |
1118 | |
1119 | HV* |
1120 | perl_get_hv(char *name, I32 create) |
1121 | { |
a0d0e21e |
1122 | GV* gv = gv_fetchpv(name, create, SVt_PVHV); |
1123 | if (create) |
1124 | return GvHVn(gv); |
1125 | if (gv) |
1126 | return GvHV(gv); |
1127 | return Nullhv; |
1128 | } |
1129 | |
1130 | CV* |
8ac85365 |
1131 | perl_get_cv(char *name, I32 create) |
a0d0e21e |
1132 | { |
1133 | GV* gv = gv_fetchpv(name, create, SVt_PVCV); |
8ebc5c01 |
1134 | if (create && !GvCVu(gv)) |
774d564b |
1135 | return newSUB(start_subparse(FALSE, 0), |
a0d0e21e |
1136 | newSVOP(OP_CONST, 0, newSVpv(name,0)), |
4633a7c4 |
1137 | Nullop, |
a0d0e21e |
1138 | Nullop); |
1139 | if (gv) |
8ebc5c01 |
1140 | return GvCVu(gv); |
a0d0e21e |
1141 | return Nullcv; |
1142 | } |
1143 | |
79072805 |
1144 | /* Be sure to refetch the stack pointer after calling these routines. */ |
1145 | |
a0d0e21e |
1146 | I32 |
22239a37 |
1147 | perl_call_argv(char *sub_name, I32 flags, register char **argv) |
8ac85365 |
1148 | |
1149 | /* See G_* flags in cop.h */ |
1150 | /* null terminated arg list */ |
8990e307 |
1151 | { |
a0d0e21e |
1152 | dSP; |
8990e307 |
1153 | |
924508f0 |
1154 | PUSHMARK(SP); |
a0d0e21e |
1155 | if (argv) { |
8990e307 |
1156 | while (*argv) { |
a0d0e21e |
1157 | XPUSHs(sv_2mortal(newSVpv(*argv,0))); |
8990e307 |
1158 | argv++; |
1159 | } |
a0d0e21e |
1160 | PUTBACK; |
8990e307 |
1161 | } |
22239a37 |
1162 | return perl_call_pv(sub_name, flags); |
8990e307 |
1163 | } |
1164 | |
a0d0e21e |
1165 | I32 |
22239a37 |
1166 | perl_call_pv(char *sub_name, I32 flags) |
8ac85365 |
1167 | /* name of the subroutine */ |
1168 | /* See G_* flags in cop.h */ |
a0d0e21e |
1169 | { |
22239a37 |
1170 | return perl_call_sv((SV*)perl_get_cv(sub_name, TRUE), flags); |
a0d0e21e |
1171 | } |
1172 | |
1173 | I32 |
8ac85365 |
1174 | perl_call_method(char *methname, I32 flags) |
1175 | /* name of the subroutine */ |
1176 | /* See G_* flags in cop.h */ |
a0d0e21e |
1177 | { |
1178 | dSP; |
1179 | OP myop; |
1180 | if (!op) |
1181 | op = &myop; |
1182 | XPUSHs(sv_2mortal(newSVpv(methname,0))); |
1183 | PUTBACK; |
11343788 |
1184 | pp_method(ARGS); |
6ff81951 |
1185 | if(op == &myop) |
1186 | op = Nullop; |
a0d0e21e |
1187 | return perl_call_sv(*stack_sp--, flags); |
1188 | } |
1189 | |
1190 | /* May be called with any of a CV, a GV, or an SV containing the name. */ |
1191 | I32 |
8ac85365 |
1192 | perl_call_sv(SV *sv, I32 flags) |
1193 | |
1194 | /* See G_* flags in cop.h */ |
a0d0e21e |
1195 | { |
924508f0 |
1196 | dSP; |
a0d0e21e |
1197 | LOGOP myop; /* fake syntax tree node */ |
aa689395 |
1198 | I32 oldmark; |
a0d0e21e |
1199 | I32 retval; |
a0d0e21e |
1200 | I32 oldscope; |
54310121 |
1201 | bool oldcatch = CATCH_GET; |
1202 | dJMPENV; |
6224f72b |
1203 | int ret; |
d6602a8c |
1204 | OP* oldop = op; |
1e422769 |
1205 | |
a0d0e21e |
1206 | if (flags & G_DISCARD) { |
1207 | ENTER; |
1208 | SAVETMPS; |
1209 | } |
1210 | |
aa689395 |
1211 | Zero(&myop, 1, LOGOP); |
54310121 |
1212 | myop.op_next = Nullop; |
f51d4af5 |
1213 | if (!(flags & G_NOARGS)) |
aa689395 |
1214 | myop.op_flags |= OPf_STACKED; |
54310121 |
1215 | myop.op_flags |= ((flags & G_VOID) ? OPf_WANT_VOID : |
1216 | (flags & G_ARRAY) ? OPf_WANT_LIST : |
1217 | OPf_WANT_SCALAR); |
462e5cf6 |
1218 | SAVEOP(); |
a0d0e21e |
1219 | op = (OP*)&myop; |
aa689395 |
1220 | |
a0d0e21e |
1221 | EXTEND(stack_sp, 1); |
1222 | *++stack_sp = sv; |
aa689395 |
1223 | oldmark = TOPMARK; |
a0d0e21e |
1224 | oldscope = scopestack_ix; |
1225 | |
84902520 |
1226 | if (PERLDB_SUB && curstash != debstash |
36477c24 |
1227 | /* Handle first BEGIN of -d. */ |
1228 | && (DBcv || (DBcv = GvCV(DBsub))) |
1229 | /* Try harder, since this may have been a sighandler, thus |
1230 | * curstash may be meaningless. */ |
491527d0 |
1231 | && (SvTYPE(sv) != SVt_PVCV || CvSTASH((CV*)sv) != debstash) |
1232 | && !(flags & G_NODEBUG)) |
6e72f9df |
1233 | op->op_private |= OPpENTERSUB_DB; |
a0d0e21e |
1234 | |
1235 | if (flags & G_EVAL) { |
a0d0e21e |
1236 | cLOGOP->op_other = op; |
1237 | markstack_ptr--; |
4633a7c4 |
1238 | /* we're trying to emulate pp_entertry() here */ |
1239 | { |
c09156bb |
1240 | register PERL_CONTEXT *cx; |
54310121 |
1241 | I32 gimme = GIMME_V; |
4633a7c4 |
1242 | |
1243 | ENTER; |
1244 | SAVETMPS; |
1245 | |
1246 | push_return(op->op_next); |
1247 | PUSHBLOCK(cx, CXt_EVAL, stack_sp); |
1248 | PUSHEVAL(cx, 0, 0); |
1249 | eval_root = op; /* Only needed so that goto works right. */ |
1250 | |
1251 | in_eval = 1; |
1252 | if (flags & G_KEEPERR) |
1253 | in_eval |= 4; |
1254 | else |
38a03e6e |
1255 | sv_setpv(ERRSV,""); |
4633a7c4 |
1256 | } |
a0d0e21e |
1257 | markstack_ptr++; |
1258 | |
6224f72b |
1259 | JMPENV_PUSH(ret); |
1260 | switch (ret) { |
1261 | case 0: |
a0d0e21e |
1262 | break; |
6224f72b |
1263 | case 1: |
f86702cc |
1264 | STATUS_ALL_FAILURE; |
a0d0e21e |
1265 | /* FALL THROUGH */ |
6224f72b |
1266 | case 2: |
a0d0e21e |
1267 | /* my_exit() was called */ |
1268 | curstash = defstash; |
1269 | FREETMPS; |
54310121 |
1270 | JMPENV_POP; |
a0d0e21e |
1271 | if (statusvalue) |
1272 | croak("Callback called exit"); |
f86702cc |
1273 | my_exit_jump(); |
a0d0e21e |
1274 | /* NOTREACHED */ |
6224f72b |
1275 | case 3: |
a0d0e21e |
1276 | if (restartop) { |
1277 | op = restartop; |
1278 | restartop = 0; |
54310121 |
1279 | break; |
a0d0e21e |
1280 | } |
1281 | stack_sp = stack_base + oldmark; |
1282 | if (flags & G_ARRAY) |
1283 | retval = 0; |
1284 | else { |
1285 | retval = 1; |
1286 | *++stack_sp = &sv_undef; |
1287 | } |
1288 | goto cleanup; |
1289 | } |
1290 | } |
1e422769 |
1291 | else |
54310121 |
1292 | CATCH_SET(TRUE); |
a0d0e21e |
1293 | |
1294 | if (op == (OP*)&myop) |
11343788 |
1295 | op = pp_entersub(ARGS); |
a0d0e21e |
1296 | if (op) |
76e3520e |
1297 | CALLRUNOPS(); |
a0d0e21e |
1298 | retval = stack_sp - (stack_base + oldmark); |
4633a7c4 |
1299 | if ((flags & G_EVAL) && !(flags & G_KEEPERR)) |
38a03e6e |
1300 | sv_setpv(ERRSV,""); |
a0d0e21e |
1301 | |
1302 | cleanup: |
1303 | if (flags & G_EVAL) { |
1304 | if (scopestack_ix > oldscope) { |
a0a2876f |
1305 | SV **newsp; |
1306 | PMOP *newpm; |
1307 | I32 gimme; |
c09156bb |
1308 | register PERL_CONTEXT *cx; |
a0a2876f |
1309 | I32 optype; |
1310 | |
1311 | POPBLOCK(cx,newpm); |
1312 | POPEVAL(cx); |
1313 | pop_return(); |
1314 | curpm = newpm; |
1315 | LEAVE; |
a0d0e21e |
1316 | } |
54310121 |
1317 | JMPENV_POP; |
a0d0e21e |
1318 | } |
1e422769 |
1319 | else |
54310121 |
1320 | CATCH_SET(oldcatch); |
1e422769 |
1321 | |
a0d0e21e |
1322 | if (flags & G_DISCARD) { |
1323 | stack_sp = stack_base + oldmark; |
1324 | retval = 0; |
1325 | FREETMPS; |
1326 | LEAVE; |
1327 | } |
d6602a8c |
1328 | op = oldop; |
a0d0e21e |
1329 | return retval; |
1330 | } |
1331 | |
6e72f9df |
1332 | /* Eval a string. The G_EVAL flag is always assumed. */ |
8990e307 |
1333 | |
a0d0e21e |
1334 | I32 |
8ac85365 |
1335 | perl_eval_sv(SV *sv, I32 flags) |
1336 | |
1337 | /* See G_* flags in cop.h */ |
a0d0e21e |
1338 | { |
924508f0 |
1339 | dSP; |
a0d0e21e |
1340 | UNOP myop; /* fake syntax tree node */ |
924508f0 |
1341 | I32 oldmark = SP - stack_base; |
4633a7c4 |
1342 | I32 retval; |
4633a7c4 |
1343 | I32 oldscope; |
54310121 |
1344 | dJMPENV; |
6224f72b |
1345 | int ret; |
84902520 |
1346 | OP* oldop = op; |
1347 | |
4633a7c4 |
1348 | if (flags & G_DISCARD) { |
1349 | ENTER; |
1350 | SAVETMPS; |
1351 | } |
1352 | |
462e5cf6 |
1353 | SAVEOP(); |
79072805 |
1354 | op = (OP*)&myop; |
a0d0e21e |
1355 | Zero(op, 1, UNOP); |
4633a7c4 |
1356 | EXTEND(stack_sp, 1); |
1357 | *++stack_sp = sv; |
1358 | oldscope = scopestack_ix; |
79072805 |
1359 | |
4633a7c4 |
1360 | if (!(flags & G_NOARGS)) |
1361 | myop.op_flags = OPf_STACKED; |
79072805 |
1362 | myop.op_next = Nullop; |
6e72f9df |
1363 | myop.op_type = OP_ENTEREVAL; |
54310121 |
1364 | myop.op_flags |= ((flags & G_VOID) ? OPf_WANT_VOID : |
1365 | (flags & G_ARRAY) ? OPf_WANT_LIST : |
1366 | OPf_WANT_SCALAR); |
6e72f9df |
1367 | if (flags & G_KEEPERR) |
1368 | myop.op_flags |= OPf_SPECIAL; |
4633a7c4 |
1369 | |
6224f72b |
1370 | JMPENV_PUSH(ret); |
1371 | switch (ret) { |
1372 | case 0: |
4633a7c4 |
1373 | break; |
6224f72b |
1374 | case 1: |
f86702cc |
1375 | STATUS_ALL_FAILURE; |
4633a7c4 |
1376 | /* FALL THROUGH */ |
6224f72b |
1377 | case 2: |
4633a7c4 |
1378 | /* my_exit() was called */ |
1379 | curstash = defstash; |
1380 | FREETMPS; |
54310121 |
1381 | JMPENV_POP; |
4633a7c4 |
1382 | if (statusvalue) |
1383 | croak("Callback called exit"); |
f86702cc |
1384 | my_exit_jump(); |
4633a7c4 |
1385 | /* NOTREACHED */ |
6224f72b |
1386 | case 3: |
4633a7c4 |
1387 | if (restartop) { |
1388 | op = restartop; |
1389 | restartop = 0; |
54310121 |
1390 | break; |
4633a7c4 |
1391 | } |
1392 | stack_sp = stack_base + oldmark; |
1393 | if (flags & G_ARRAY) |
1394 | retval = 0; |
1395 | else { |
1396 | retval = 1; |
1397 | *++stack_sp = &sv_undef; |
1398 | } |
1399 | goto cleanup; |
1400 | } |
1401 | |
1402 | if (op == (OP*)&myop) |
11343788 |
1403 | op = pp_entereval(ARGS); |
4633a7c4 |
1404 | if (op) |
76e3520e |
1405 | CALLRUNOPS(); |
4633a7c4 |
1406 | retval = stack_sp - (stack_base + oldmark); |
6e72f9df |
1407 | if (!(flags & G_KEEPERR)) |
38a03e6e |
1408 | sv_setpv(ERRSV,""); |
4633a7c4 |
1409 | |
1410 | cleanup: |
54310121 |
1411 | JMPENV_POP; |
4633a7c4 |
1412 | if (flags & G_DISCARD) { |
1413 | stack_sp = stack_base + oldmark; |
1414 | retval = 0; |
1415 | FREETMPS; |
1416 | LEAVE; |
1417 | } |
84902520 |
1418 | op = oldop; |
4633a7c4 |
1419 | return retval; |
1420 | } |
1421 | |
137443ea |
1422 | SV* |
8ac85365 |
1423 | perl_eval_pv(char *p, I32 croak_on_error) |
137443ea |
1424 | { |
1425 | dSP; |
1426 | SV* sv = newSVpv(p, 0); |
1427 | |
924508f0 |
1428 | PUSHMARK(SP); |
137443ea |
1429 | perl_eval_sv(sv, G_SCALAR); |
1430 | SvREFCNT_dec(sv); |
1431 | |
1432 | SPAGAIN; |
1433 | sv = POPs; |
1434 | PUTBACK; |
1435 | |
38a03e6e |
1436 | if (croak_on_error && SvTRUE(ERRSV)) |
1437 | croak(SvPVx(ERRSV, na)); |
137443ea |
1438 | |
1439 | return sv; |
1440 | } |
1441 | |
4633a7c4 |
1442 | /* Require a module. */ |
1443 | |
1444 | void |
8ac85365 |
1445 | perl_require_pv(char *pv) |
4633a7c4 |
1446 | { |
d3acc0f7 |
1447 | SV* sv; |
1448 | dSP; |
e788e7d3 |
1449 | PUSHSTACKi(PERLSI_REQUIRE); |
d3acc0f7 |
1450 | PUTBACK; |
1451 | sv = sv_newmortal(); |
4633a7c4 |
1452 | sv_setpv(sv, "require '"); |
1453 | sv_catpv(sv, pv); |
1454 | sv_catpv(sv, "'"); |
1455 | perl_eval_sv(sv, G_DISCARD); |
d3acc0f7 |
1456 | SPAGAIN; |
1457 | POPSTACK; |
79072805 |
1458 | } |
1459 | |
79072805 |
1460 | void |
8ac85365 |
1461 | magicname(char *sym, char *name, I32 namlen) |
79072805 |
1462 | { |
1463 | register GV *gv; |
1464 | |
85e6fe83 |
1465 | if (gv = gv_fetchpv(sym,TRUE, SVt_PV)) |
79072805 |
1466 | sv_magic(GvSV(gv), (SV*)gv, 0, name, namlen); |
1467 | } |
1468 | |
76e3520e |
1469 | STATIC void |
8ac85365 |
1470 | usage(char *name) /* XXX move this out into a module ? */ |
1471 | |
4633a7c4 |
1472 | { |
ab821d7f |
1473 | /* This message really ought to be max 23 lines. |
1474 | * Removed -h because the user already knows that opton. Others? */ |
fb73857a |
1475 | |
76e3520e |
1476 | static char *usage_msg[] = { |
fb73857a |
1477 | "-0[octal] specify record separator (\\0, if no argument)", |
1478 | "-a autosplit mode with -n or -p (splits $_ into @F)", |
1479 | "-c check syntax only (runs BEGIN and END blocks)", |
1480 | "-d[:debugger] run scripts under debugger", |
1481 | "-D[number/list] set debugging flags (argument is a bit mask or flags)", |
1482 | "-e 'command' one line of script. Several -e's allowed. Omit [programfile].", |
1483 | "-F/pattern/ split() pattern for autosplit (-a). The //'s are optional.", |
1484 | "-i[extension] edit <> files in place (make backup if extension supplied)", |
1485 | "-Idirectory specify @INC/#include directory (may be used more than once)", |
1486 | "-l[octal] enable line ending processing, specifies line terminator", |
1487 | "-[mM][-]module.. executes `use/no module...' before executing your script.", |
1488 | "-n assume 'while (<>) { ... }' loop around your script", |
1489 | "-p assume loop like -n but print line also like sed", |
1490 | "-P run script through C preprocessor before compilation", |
1491 | "-s enable some switch parsing for switches after script name", |
1492 | "-S look for the script using PATH environment variable", |
1493 | "-T turn on tainting checks", |
1494 | "-u dump core after parsing script", |
1495 | "-U allow unsafe operations", |
95103687 |
1496 | "-v print version number, patchlevel plus VERY IMPORTANT perl info", |
fb73857a |
1497 | "-V[:variable] print perl configuration information", |
1498 | "-w TURN WARNINGS ON FOR COMPILATION OF YOUR SCRIPT. Recommended.", |
1499 | "-x[directory] strip off text before #!perl line and perhaps cd to directory", |
1500 | "\n", |
1501 | NULL |
1502 | }; |
76e3520e |
1503 | char **p = usage_msg; |
fb73857a |
1504 | |
ab821d7f |
1505 | printf("\nUsage: %s [switches] [--] [programfile] [arguments]", name); |
fb73857a |
1506 | while (*p) |
1507 | printf("\n %s", *p++); |
4633a7c4 |
1508 | } |
1509 | |
79072805 |
1510 | /* This routine handles any switches that can be given during run */ |
1511 | |
1512 | char * |
8ac85365 |
1513 | moreswitches(char *s) |
79072805 |
1514 | { |
1515 | I32 numlen; |
c07a80fd |
1516 | U32 rschar; |
79072805 |
1517 | |
1518 | switch (*s) { |
1519 | case '0': |
a863c7d1 |
1520 | { |
1521 | dTHR; |
c07a80fd |
1522 | rschar = scan_oct(s, 4, &numlen); |
1523 | SvREFCNT_dec(nrs); |
1524 | if (rschar & ~((U8)~0)) |
1525 | nrs = &sv_undef; |
1526 | else if (!rschar && numlen >= 2) |
1527 | nrs = newSVpv("", 0); |
1528 | else { |
1529 | char ch = rschar; |
1530 | nrs = newSVpv(&ch, 1); |
79072805 |
1531 | } |
1532 | return s + numlen; |
a863c7d1 |
1533 | } |
2304df62 |
1534 | case 'F': |
1535 | minus_F = TRUE; |
a0d0e21e |
1536 | splitstr = savepv(s + 1); |
2304df62 |
1537 | s += strlen(s); |
1538 | return s; |
79072805 |
1539 | case 'a': |
1540 | minus_a = TRUE; |
1541 | s++; |
1542 | return s; |
1543 | case 'c': |
1544 | minus_c = TRUE; |
1545 | s++; |
1546 | return s; |
1547 | case 'd': |
bbce6d69 |
1548 | forbid_setid("-d"); |
4633a7c4 |
1549 | s++; |
c07a80fd |
1550 | if (*s == ':' || *s == '=') { |
46fc3d4c |
1551 | my_setenv("PERL5DB", form("use Devel::%s;", ++s)); |
4633a7c4 |
1552 | s += strlen(s); |
4633a7c4 |
1553 | } |
a0d0e21e |
1554 | if (!perldb) { |
84902520 |
1555 | perldb = PERLDB_ALL; |
a0d0e21e |
1556 | init_debugger(); |
1557 | } |
79072805 |
1558 | return s; |
1559 | case 'D': |
1560 | #ifdef DEBUGGING |
bbce6d69 |
1561 | forbid_setid("-D"); |
79072805 |
1562 | if (isALPHA(s[1])) { |
8990e307 |
1563 | static char debopts[] = "psltocPmfrxuLHXD"; |
79072805 |
1564 | char *d; |
1565 | |
93a17b20 |
1566 | for (s++; *s && (d = strchr(debopts,*s)); s++) |
79072805 |
1567 | debug |= 1 << (d - debopts); |
1568 | } |
1569 | else { |
1570 | debug = atoi(s+1); |
1571 | for (s++; isDIGIT(*s); s++) ; |
1572 | } |
8990e307 |
1573 | debug |= 0x80000000; |
79072805 |
1574 | #else |
1575 | warn("Recompile perl with -DDEBUGGING to use -D switch\n"); |
a0d0e21e |
1576 | for (s++; isALNUM(*s); s++) ; |
79072805 |
1577 | #endif |
1578 | /*SUPPRESS 530*/ |
1579 | return s; |
4633a7c4 |
1580 | case 'h': |
1581 | usage(origargv[0]); |
6ad3d225 |
1582 | PerlProc_exit(0); |
79072805 |
1583 | case 'i': |
1584 | if (inplace) |
1585 | Safefree(inplace); |
a0d0e21e |
1586 | inplace = savepv(s+1); |
79072805 |
1587 | /*SUPPRESS 530*/ |
1588 | for (s = inplace; *s && !isSPACE(*s); s++) ; |
7b8d334a |
1589 | if (*s) { |
fb73857a |
1590 | *s++ = '\0'; |
7b8d334a |
1591 | if (*s == '-') /* Additional switches on #! line. */ |
1592 | s++; |
1593 | } |
fb73857a |
1594 | return s; |
1595 | case 'I': /* -I handled both here and in parse_perl() */ |
bbce6d69 |
1596 | forbid_setid("-I"); |
fb73857a |
1597 | ++s; |
1598 | while (*s && isSPACE(*s)) |
1599 | ++s; |
1600 | if (*s) { |
774d564b |
1601 | char *e, *p; |
748a9306 |
1602 | for (e = s; *e && !isSPACE(*e); e++) ; |
774d564b |
1603 | p = savepvn(s, e-s); |
1604 | incpush(p, TRUE); |
1605 | Safefree(p); |
fb73857a |
1606 | s = e; |
79072805 |
1607 | } |
1608 | else |
463ee0b2 |
1609 | croak("No space allowed after -I"); |
fb73857a |
1610 | return s; |
79072805 |
1611 | case 'l': |
1612 | minus_l = TRUE; |
1613 | s++; |
a0d0e21e |
1614 | if (ors) |
1615 | Safefree(ors); |
79072805 |
1616 | if (isDIGIT(*s)) { |
a0d0e21e |
1617 | ors = savepv("\n"); |
79072805 |
1618 | orslen = 1; |
1619 | *ors = scan_oct(s, 3 + (*s == '0'), &numlen); |
1620 | s += numlen; |
1621 | } |
1622 | else { |
a863c7d1 |
1623 | dTHR; |
c07a80fd |
1624 | if (RsPARA(nrs)) { |
6e72f9df |
1625 | ors = "\n\n"; |
c07a80fd |
1626 | orslen = 2; |
1627 | } |
1628 | else |
1629 | ors = SvPV(nrs, orslen); |
6e72f9df |
1630 | ors = savepvn(ors, orslen); |
79072805 |
1631 | } |
1632 | return s; |
1a30305b |
1633 | case 'M': |
bbce6d69 |
1634 | forbid_setid("-M"); /* XXX ? */ |
1a30305b |
1635 | /* FALL THROUGH */ |
1636 | case 'm': |
bbce6d69 |
1637 | forbid_setid("-m"); /* XXX ? */ |
1a30305b |
1638 | if (*++s) { |
a5f75d66 |
1639 | char *start; |
11343788 |
1640 | SV *sv; |
a5f75d66 |
1641 | char *use = "use "; |
1642 | /* -M-foo == 'no foo' */ |
1643 | if (*s == '-') { use = "no "; ++s; } |
11343788 |
1644 | sv = newSVpv(use,0); |
a5f75d66 |
1645 | start = s; |
1a30305b |
1646 | /* We allow -M'Module qw(Foo Bar)' */ |
c07a80fd |
1647 | while(isALNUM(*s) || *s==':') ++s; |
1648 | if (*s != '=') { |
11343788 |
1649 | sv_catpv(sv, start); |
c07a80fd |
1650 | if (*(start-1) == 'm') { |
1651 | if (*s != '\0') |
1652 | croak("Can't use '%c' after -mname", *s); |
11343788 |
1653 | sv_catpv( sv, " ()"); |
c07a80fd |
1654 | } |
1655 | } else { |
11343788 |
1656 | sv_catpvn(sv, start, s-start); |
1657 | sv_catpv(sv, " split(/,/,q{"); |
1658 | sv_catpv(sv, ++s); |
1659 | sv_catpv(sv, "})"); |
c07a80fd |
1660 | } |
1a30305b |
1661 | s += strlen(s); |
c07a80fd |
1662 | if (preambleav == NULL) |
1663 | preambleav = newAV(); |
11343788 |
1664 | av_push(preambleav, sv); |
1a30305b |
1665 | } |
1666 | else |
1667 | croak("No space allowed after -%c", *(s-1)); |
1668 | return s; |
79072805 |
1669 | case 'n': |
1670 | minus_n = TRUE; |
1671 | s++; |
1672 | return s; |
1673 | case 'p': |
1674 | minus_p = TRUE; |
1675 | s++; |
1676 | return s; |
1677 | case 's': |
bbce6d69 |
1678 | forbid_setid("-s"); |
79072805 |
1679 | doswitches = TRUE; |
1680 | s++; |
1681 | return s; |
463ee0b2 |
1682 | case 'T': |
f86702cc |
1683 | if (!tainting) |
9607fc9c |
1684 | croak("Too late for \"-T\" option"); |
463ee0b2 |
1685 | s++; |
1686 | return s; |
79072805 |
1687 | case 'u': |
1688 | do_undump = TRUE; |
1689 | s++; |
1690 | return s; |
1691 | case 'U': |
1692 | unsafe = TRUE; |
1693 | s++; |
1694 | return s; |
1695 | case 'v': |
a5f75d66 |
1696 | #if defined(SUBVERSION) && SUBVERSION > 0 |
fb73857a |
1697 | printf("\nThis is perl, version 5.%03d_%02d built for %s", |
1698 | PATCHLEVEL, SUBVERSION, ARCHNAME); |
a5f75d66 |
1699 | #else |
fb73857a |
1700 | printf("\nThis is perl, version %s built for %s", |
1701 | patchlevel, ARCHNAME); |
1702 | #endif |
1703 | #if defined(LOCAL_PATCH_COUNT) |
1704 | if (LOCAL_PATCH_COUNT > 0) |
1705 | printf("\n(with %d registered patch%s, see perl -V for more detail)", |
1706 | LOCAL_PATCH_COUNT, (LOCAL_PATCH_COUNT!=1) ? "es" : ""); |
a5f75d66 |
1707 | #endif |
1a30305b |
1708 | |
a411490c |
1709 | printf("\n\nCopyright 1987-1998, Larry Wall\n"); |
79072805 |
1710 | #ifdef MSDOS |
fb73857a |
1711 | printf("\nMS-DOS port Copyright (c) 1989, 1990, Diomidis Spinellis\n"); |
55497cff |
1712 | #endif |
1713 | #ifdef DJGPP |
1714 | printf("djgpp v2 port (jpl5003c) by Hirofumi Watanabe, 1996\n"); |
9731c6ca |
1715 | printf("djgpp v2 port (perl5004+) by Laszlo Molnar, 1997-1998\n"); |
4633a7c4 |
1716 | #endif |
79072805 |
1717 | #ifdef OS2 |
5dd60ef7 |
1718 | printf("\n\nOS/2 port Copyright (c) 1990, 1991, Raymond Chen, Kai Uwe Rommel\n" |
a411490c |
1719 | "Version 5 port Copyright (c) 1994-1998, Andreas Kaiser, Ilya Zakharevich\n"); |
79072805 |
1720 | #endif |
79072805 |
1721 | #ifdef atarist |
760ac839 |
1722 | printf("atariST series port, ++jrb bammi@cadence.com\n"); |
79072805 |
1723 | #endif |
a3f9223b |
1724 | #ifdef __BEOS__ |
1725 | printf("BeOS port Copyright Tom Spindler, 1997-1998\n"); |
1726 | #endif |
1d84e8df |
1727 | #ifdef MPE |
1728 | printf("MPE/iX port Copyright by Mark Klein and Mark Bixby, 1996-1998\n"); |
1729 | #endif |
baed7233 |
1730 | #ifdef BINARY_BUILD_NOTICE |
1731 | BINARY_BUILD_NOTICE; |
1732 | #endif |
760ac839 |
1733 | printf("\n\ |
79072805 |
1734 | Perl may be copied only under the terms of either the Artistic License or the\n\ |
95103687 |
1735 | GNU General Public License, which may be found in the Perl 5.0 source kit.\n\n\ |
1736 | Complete documentation for Perl, including FAQ lists, should be found on\n\ |
1737 | this system using `man perl' or `perldoc perl'. If you have access to the\n\ |
1738 | Internet, point your browser at http://www.perl.com/, the Perl Home Page.\n\n"); |
6ad3d225 |
1739 | PerlProc_exit(0); |
79072805 |
1740 | case 'w': |
1741 | dowarn = TRUE; |
1742 | s++; |
1743 | return s; |
a0d0e21e |
1744 | case '*': |
79072805 |
1745 | case ' ': |
1746 | if (s[1] == '-') /* Additional switches on #! line. */ |
1747 | return s+2; |
1748 | break; |
a0d0e21e |
1749 | case '-': |
79072805 |
1750 | case 0: |
a868473f |
1751 | #ifdef WIN32 |
1752 | case '\r': |
1753 | #endif |
79072805 |
1754 | case '\n': |
1755 | case '\t': |
1756 | break; |
aa689395 |
1757 | #ifdef ALTERNATE_SHEBANG |
1758 | case 'S': /* OS/2 needs -S on "extproc" line. */ |
1759 | break; |
1760 | #endif |
a0d0e21e |
1761 | case 'P': |
1762 | if (preprocess) |
1763 | return s+1; |
1764 | /* FALL THROUGH */ |
79072805 |
1765 | default: |
a0d0e21e |
1766 | croak("Can't emulate -%.1s on #! line",s); |
79072805 |
1767 | } |
1768 | return Nullch; |
1769 | } |
1770 | |
1771 | /* compliments of Tom Christiansen */ |
1772 | |
1773 | /* unexec() can be found in the Gnu emacs distribution */ |
ee580363 |
1774 | /* Known to work with -DUNEXEC and using unexelf.c from GNU emacs-20.2 */ |
79072805 |
1775 | |
1776 | void |
8ac85365 |
1777 | my_unexec(void) |
79072805 |
1778 | { |
1779 | #ifdef UNEXEC |
46fc3d4c |
1780 | SV* prog; |
1781 | SV* file; |
ee580363 |
1782 | int status = 1; |
79072805 |
1783 | extern int etext; |
1784 | |
ee580363 |
1785 | prog = newSVpv(BIN_EXP, 0); |
46fc3d4c |
1786 | sv_catpv(prog, "/perl"); |
ee580363 |
1787 | file = newSVpv(origfilename, 0); |
46fc3d4c |
1788 | sv_catpv(file, ".perldump"); |
79072805 |
1789 | |
ee580363 |
1790 | unexec(SvPVX(file), SvPVX(prog), &etext, sbrk(0), 0); |
1791 | /* unexec prints msg to stderr in case of failure */ |
6ad3d225 |
1792 | PerlProc_exit(status); |
79072805 |
1793 | #else |
a5f75d66 |
1794 | # ifdef VMS |
1795 | # include <lib$routines.h> |
1796 | lib$signal(SS$_DEBUG); /* ssdef.h #included from vmsish.h */ |
aa689395 |
1797 | # else |
79072805 |
1798 | ABORT(); /* for use with undump */ |
aa689395 |
1799 | # endif |
a5f75d66 |
1800 | #endif |
79072805 |
1801 | } |
1802 | |
cb68f92d |
1803 | /* initialize curinterp */ |
1804 | STATIC void |
1805 | init_interp(void) |
1806 | { |
1807 | |
066ef5b5 |
1808 | #ifdef PERL_OBJECT /* XXX kludge */ |
cb68f92d |
1809 | #define I_REINIT \ |
1810 | STMT_START { \ |
1811 | chopset = " \n-"; \ |
1812 | copline = NOLINE; \ |
1813 | curcop = &compiling; \ |
1814 | curcopdb = NULL; \ |
1815 | dbargs = 0; \ |
1816 | dlmax = 128; \ |
1817 | laststatval = -1; \ |
1818 | laststype = OP_STAT; \ |
1819 | maxscream = -1; \ |
1820 | maxsysfd = MAXSYSFD; \ |
1821 | statname = Nullsv; \ |
1822 | tmps_floor = -1; \ |
1823 | tmps_ix = -1; \ |
1824 | op_mask = NULL; \ |
1825 | dlmax = 128; \ |
1826 | laststatval = -1; \ |
1827 | laststype = OP_STAT; \ |
1828 | mess_sv = Nullsv; \ |
1829 | splitstr = " "; \ |
1830 | generation = 100; \ |
1831 | exitlist = NULL; \ |
1832 | exitlistlen = 0; \ |
1833 | regindent = 0; \ |
1834 | in_clean_objs = FALSE; \ |
1835 | in_clean_all= FALSE; \ |
1836 | profiledata = NULL; \ |
1837 | rsfp = Nullfp; \ |
1838 | rsfp_filters= Nullav; \ |
1839 | } STMT_END |
9666903d |
1840 | I_REINIT; |
066ef5b5 |
1841 | #else |
1842 | # ifdef MULTIPLICITY |
1843 | # define PERLVAR(var,type) |
1844 | # define PERLVARI(var,type,init) curinterp->var = init; |
1845 | # define PERLVARIC(var,type,init) curinterp->var = init; |
1846 | # include "intrpvar.h" |
1847 | # ifndef USE_THREADS |
1848 | # include "thrdvar.h" |
1849 | # endif |
1850 | # undef PERLVAR |
1851 | # undef PERLVARI |
1852 | # undef PERLVARIC |
1853 | # else |
1854 | # define PERLVAR(var,type) |
1855 | # define PERLVARI(var,type,init) var = init; |
1856 | # define PERLVARIC(var,type,init) var = init; |
1857 | # include "intrpvar.h" |
1858 | # ifndef USE_THREADS |
1859 | # include "thrdvar.h" |
1860 | # endif |
1861 | # undef PERLVAR |
1862 | # undef PERLVARI |
1863 | # undef PERLVARIC |
1864 | # endif |
cb68f92d |
1865 | #endif |
1866 | |
cb68f92d |
1867 | } |
1868 | |
76e3520e |
1869 | STATIC void |
8ac85365 |
1870 | init_main_stash(void) |
79072805 |
1871 | { |
11343788 |
1872 | dTHR; |
463ee0b2 |
1873 | GV *gv; |
6e72f9df |
1874 | |
1875 | /* Note that strtab is a rather special HV. Assumptions are made |
1876 | about not iterating on it, and not adding tie magic to it. |
1877 | It is properly deallocated in perl_destruct() */ |
1878 | strtab = newHV(); |
1879 | HvSHAREKEYS_off(strtab); /* mandatory */ |
8fb9a439 |
1880 | hv_ksplit(strtab, 512); |
6e72f9df |
1881 | |
463ee0b2 |
1882 | curstash = defstash = newHV(); |
79072805 |
1883 | curstname = newSVpv("main",4); |
adbc6bb1 |
1884 | gv = gv_fetchpv("main::",TRUE, SVt_PVHV); |
1885 | SvREFCNT_dec(GvHV(gv)); |
1886 | GvHV(gv) = (HV*)SvREFCNT_inc(defstash); |
463ee0b2 |
1887 | SvREADONLY_on(gv); |
a0d0e21e |
1888 | HvNAME(defstash) = savepv("main"); |
85e6fe83 |
1889 | incgv = gv_HVadd(gv_AVadd(gv_fetchpv("INC",TRUE, SVt_PVAV))); |
a5f75d66 |
1890 | GvMULTI_on(incgv); |
b3ac6de7 |
1891 | hintgv = gv_fetchpv("\010",TRUE, SVt_PV); /* ^H */ |
1892 | GvMULTI_on(hintgv); |
a0d0e21e |
1893 | defgv = gv_fetchpv("_",TRUE, SVt_PVAV); |
12f917ad |
1894 | errgv = gv_HVadd(gv_fetchpv("@", TRUE, SVt_PV)); |
1895 | GvMULTI_on(errgv); |
95a449b8 |
1896 | replgv = gv_fetchpv("\022", TRUE, SVt_PV); /* ^R */ |
ce862d02 |
1897 | GvMULTI_on(replgv); |
84902520 |
1898 | (void)form("%240s",""); /* Preallocate temp - for immediate signals. */ |
38a03e6e |
1899 | sv_grow(ERRSV, 240); /* Preallocate - for immediate signals. */ |
1900 | sv_setpvn(ERRSV, "", 0); |
8990e307 |
1901 | curstash = defstash; |
1902 | compiling.cop_stash = defstash; |
adbc6bb1 |
1903 | debstash = GvHV(gv_fetchpv("DB::", GV_ADDMULTI, SVt_PVHV)); |
49dc05e3 |
1904 | globalstash = GvHV(gv_fetchpv("CORE::GLOBAL::", GV_ADDMULTI, SVt_PVHV)); |
4633a7c4 |
1905 | /* We must init $/ before switches are processed. */ |
1906 | sv_setpvn(GvSV(gv_fetchpv("/", TRUE, SVt_PV)), "\n", 1); |
79072805 |
1907 | } |
1908 | |
76e3520e |
1909 | STATIC void |
01f988be |
1910 | open_script(char *scriptname, bool dosearch, SV *sv, int *fdscript) |
79072805 |
1911 | { |
0f15f207 |
1912 | dTHR; |
79072805 |
1913 | register char *s; |
2a92aaa0 |
1914 | |
6c4ab083 |
1915 | *fdscript = -1; |
79072805 |
1916 | |
6c4ab083 |
1917 | if (e_script) { |
1918 | origfilename = savepv("-e"); |
96436eeb |
1919 | } |
6c4ab083 |
1920 | else { |
1921 | /* if find_script() returns, it returns a malloc()-ed value */ |
1922 | origfilename = scriptname = find_script(scriptname, dosearch, NULL, 1); |
1923 | |
1924 | if (strnEQ(scriptname, "/dev/fd/", 8) && isDIGIT(scriptname[8]) ) { |
1925 | char *s = scriptname + 8; |
1926 | *fdscript = atoi(s); |
1927 | while (isDIGIT(*s)) |
1928 | s++; |
1929 | if (*s) { |
1930 | scriptname = savepv(s + 1); |
1931 | Safefree(origfilename); |
1932 | origfilename = scriptname; |
1933 | } |
1934 | } |
1935 | } |
1936 | |
79072805 |
1937 | curcop->cop_filegv = gv_fetchfile(origfilename); |
1938 | if (strEQ(origfilename,"-")) |
1939 | scriptname = ""; |
01f988be |
1940 | if (*fdscript >= 0) { |
1941 | rsfp = PerlIO_fdopen(*fdscript,PERL_SCRIPT_MODE); |
96436eeb |
1942 | #if defined(HAS_FCNTL) && defined(F_SETFD) |
7aa04957 |
1943 | if (rsfp) |
1944 | fcntl(PerlIO_fileno(rsfp),F_SETFD,1); /* ensure close-on-exec */ |
96436eeb |
1945 | #endif |
1946 | } |
1947 | else if (preprocess) { |
46fc3d4c |
1948 | char *cpp_cfg = CPPSTDIN; |
63bfd3db |
1949 | SV *cpp = newSVpv("",0); |
46fc3d4c |
1950 | SV *cmd = NEWSV(0,0); |
1951 | |
1952 | if (strEQ(cpp_cfg, "cppstdin")) |
1953 | sv_catpvf(cpp, "%s/", BIN_EXP); |
1954 | sv_catpv(cpp, cpp_cfg); |
79072805 |
1955 | |
79072805 |
1956 | sv_catpv(sv,"-I"); |
fed7345c |
1957 | sv_catpv(sv,PRIVLIB_EXP); |
46fc3d4c |
1958 | |
79072805 |
1959 | #ifdef MSDOS |
46fc3d4c |
1960 | sv_setpvf(cmd, "\ |
79072805 |
1961 | sed %s -e \"/^[^#]/b\" \ |
1962 | -e \"/^#[ ]*include[ ]/b\" \ |
1963 | -e \"/^#[ ]*define[ ]/b\" \ |
1964 | -e \"/^#[ ]*if[ ]/b\" \ |
1965 | -e \"/^#[ ]*ifdef[ ]/b\" \ |
1966 | -e \"/^#[ ]*ifndef[ ]/b\" \ |
1967 | -e \"/^#[ ]*else/b\" \ |
1968 | -e \"/^#[ ]*elif[ ]/b\" \ |
1969 | -e \"/^#[ ]*undef[ ]/b\" \ |
1970 | -e \"/^#[ ]*endif/b\" \ |
1971 | -e \"s/^#.*//\" \ |
fc36a67e |
1972 | %s | %_ -C %_ %s", |
79072805 |
1973 | (doextract ? "-e \"1,/^#/d\n\"" : ""), |
1974 | #else |
46fc3d4c |
1975 | sv_setpvf(cmd, "\ |
79072805 |
1976 | %s %s -e '/^[^#]/b' \ |
1977 | -e '/^#[ ]*include[ ]/b' \ |
1978 | -e '/^#[ ]*define[ ]/b' \ |
1979 | -e '/^#[ ]*if[ ]/b' \ |
1980 | -e '/^#[ ]*ifdef[ ]/b' \ |
1981 | -e '/^#[ ]*ifndef[ ]/b' \ |
1982 | -e '/^#[ ]*else/b' \ |
1983 | -e '/^#[ ]*elif[ ]/b' \ |
1984 | -e '/^#[ ]*undef[ ]/b' \ |
1985 | -e '/^#[ ]*endif/b' \ |
1986 | -e 's/^[ ]*#.*//' \ |
fc36a67e |
1987 | %s | %_ -C %_ %s", |
79072805 |
1988 | #ifdef LOC_SED |
1989 | LOC_SED, |
1990 | #else |
1991 | "sed", |
1992 | #endif |
1993 | (doextract ? "-e '1,/^#/d\n'" : ""), |
1994 | #endif |
46fc3d4c |
1995 | scriptname, cpp, sv, CPPMINUS); |
79072805 |
1996 | doextract = FALSE; |
1997 | #ifdef IAMSUID /* actually, this is caught earlier */ |
1998 | if (euid != uid && !euid) { /* if running suidperl */ |
1999 | #ifdef HAS_SETEUID |
2000 | (void)seteuid(uid); /* musn't stay setuid root */ |
2001 | #else |
2002 | #ifdef HAS_SETREUID |
85e6fe83 |
2003 | (void)setreuid((Uid_t)-1, uid); |
2004 | #else |
2005 | #ifdef HAS_SETRESUID |
2006 | (void)setresuid((Uid_t)-1, uid, (Uid_t)-1); |
79072805 |
2007 | #else |
76e3520e |
2008 | PerlProc_setuid(uid); |
79072805 |
2009 | #endif |
2010 | #endif |
85e6fe83 |
2011 | #endif |
76e3520e |
2012 | if (PerlProc_geteuid() != uid) |
463ee0b2 |
2013 | croak("Can't do seteuid!\n"); |
79072805 |
2014 | } |
2015 | #endif /* IAMSUID */ |
6ad3d225 |
2016 | rsfp = PerlProc_popen(SvPVX(cmd), "r"); |
46fc3d4c |
2017 | SvREFCNT_dec(cmd); |
2018 | SvREFCNT_dec(cpp); |
79072805 |
2019 | } |
2020 | else if (!*scriptname) { |
bbce6d69 |
2021 | forbid_setid("program input from stdin"); |
760ac839 |
2022 | rsfp = PerlIO_stdin(); |
79072805 |
2023 | } |
96436eeb |
2024 | else { |
a868473f |
2025 | rsfp = PerlIO_open(scriptname,PERL_SCRIPT_MODE); |
96436eeb |
2026 | #if defined(HAS_FCNTL) && defined(F_SETFD) |
7aa04957 |
2027 | if (rsfp) |
2028 | fcntl(PerlIO_fileno(rsfp),F_SETFD,1); /* ensure close-on-exec */ |
96436eeb |
2029 | #endif |
2030 | } |
7aa04957 |
2031 | if (!rsfp) { |
13281fa4 |
2032 | #ifdef DOSUID |
a687059c |
2033 | #ifndef IAMSUID /* in case script is not readable before setuid */ |
76e3520e |
2034 | if (euid && PerlLIO_stat(SvPVX(GvSV(curcop->cop_filegv)),&statbuf) >= 0 && |
13281fa4 |
2035 | statbuf.st_mode & (S_ISUID|S_ISGID)) { |
46fc3d4c |
2036 | /* try again */ |
6ad3d225 |
2037 | PerlProc_execv(form("%s/sperl%s", BIN_EXP, patchlevel), origargv); |
463ee0b2 |
2038 | croak("Can't do setuid\n"); |
13281fa4 |
2039 | } |
2040 | #endif |
2041 | #endif |
463ee0b2 |
2042 | croak("Can't open perl script \"%s\": %s\n", |
2304df62 |
2043 | SvPVX(GvSV(curcop->cop_filegv)), Strerror(errno)); |
13281fa4 |
2044 | } |
79072805 |
2045 | } |
8d063cd8 |
2046 | |
76e3520e |
2047 | STATIC void |
01f988be |
2048 | validate_suid(char *validarg, char *scriptname, int fdscript) |
79072805 |
2049 | { |
96436eeb |
2050 | int which; |
2051 | |
13281fa4 |
2052 | /* do we need to emulate setuid on scripts? */ |
2053 | |
2054 | /* This code is for those BSD systems that have setuid #! scripts disabled |
2055 | * in the kernel because of a security problem. Merely defining DOSUID |
2056 | * in perl will not fix that problem, but if you have disabled setuid |
2057 | * scripts in the kernel, this will attempt to emulate setuid and setgid |
2058 | * on scripts that have those now-otherwise-useless bits set. The setuid |
27e2fb84 |
2059 | * root version must be called suidperl or sperlN.NNN. If regular perl |
2060 | * discovers that it has opened a setuid script, it calls suidperl with |
2061 | * the same argv that it had. If suidperl finds that the script it has |
2062 | * just opened is NOT setuid root, it sets the effective uid back to the |
2063 | * uid. We don't just make perl setuid root because that loses the |
2064 | * effective uid we had before invoking perl, if it was different from the |
2065 | * uid. |
13281fa4 |
2066 | * |
2067 | * DOSUID must be defined in both perl and suidperl, and IAMSUID must |
2068 | * be defined in suidperl only. suidperl must be setuid root. The |
2069 | * Configure script will set this up for you if you want it. |
2070 | */ |
a687059c |
2071 | |
13281fa4 |
2072 | #ifdef DOSUID |
ea0efc06 |
2073 | dTHR; |
6e72f9df |
2074 | char *s, *s2; |
a0d0e21e |
2075 | |
6ad3d225 |
2076 | if (PerlLIO_fstat(PerlIO_fileno(rsfp),&statbuf) < 0) /* normal stat is insecure */ |
463ee0b2 |
2077 | croak("Can't stat script \"%s\"",origfilename); |
96436eeb |
2078 | if (fdscript < 0 && statbuf.st_mode & (S_ISUID|S_ISGID)) { |
79072805 |
2079 | I32 len; |
13281fa4 |
2080 | |
a687059c |
2081 | #ifdef IAMSUID |
fe14fcc3 |
2082 | #ifndef HAS_SETREUID |
a687059c |
2083 | /* On this access check to make sure the directories are readable, |
2084 | * there is actually a small window that the user could use to make |
2085 | * filename point to an accessible directory. So there is a faint |
2086 | * chance that someone could execute a setuid script down in a |
2087 | * non-accessible directory. I don't know what to do about that. |
2088 | * But I don't think it's too important. The manual lies when |
2089 | * it says access() is useful in setuid programs. |
2090 | */ |
6ad3d225 |
2091 | if (PerlLIO_access(SvPVX(GvSV(curcop->cop_filegv)),1)) /*double check*/ |
463ee0b2 |
2092 | croak("Permission denied"); |
a687059c |
2093 | #else |
2094 | /* If we can swap euid and uid, then we can determine access rights |
2095 | * with a simple stat of the file, and then compare device and |
2096 | * inode to make sure we did stat() on the same file we opened. |
2097 | * Then we just have to make sure he or she can execute it. |
2098 | */ |
2099 | { |
2100 | struct stat tmpstatbuf; |
2101 | |
85e6fe83 |
2102 | if ( |
2103 | #ifdef HAS_SETREUID |
2104 | setreuid(euid,uid) < 0 |
a0d0e21e |
2105 | #else |
2106 | # if HAS_SETRESUID |
85e6fe83 |
2107 | setresuid(euid,uid,(Uid_t)-1) < 0 |
a0d0e21e |
2108 | # endif |
85e6fe83 |
2109 | #endif |
76e3520e |
2110 | || PerlProc_getuid() != euid || PerlProc_geteuid() != uid) |
463ee0b2 |
2111 | croak("Can't swap uid and euid"); /* really paranoid */ |
76e3520e |
2112 | if (PerlLIO_stat(SvPVX(GvSV(curcop->cop_filegv)),&tmpstatbuf) < 0) |
463ee0b2 |
2113 | croak("Permission denied"); /* testing full pathname here */ |
a687059c |
2114 | if (tmpstatbuf.st_dev != statbuf.st_dev || |
2115 | tmpstatbuf.st_ino != statbuf.st_ino) { |
760ac839 |
2116 | (void)PerlIO_close(rsfp); |
6ad3d225 |
2117 | if (rsfp = PerlProc_popen("/bin/mail root","w")) { /* heh, heh */ |
760ac839 |
2118 | PerlIO_printf(rsfp, |
ff0cee69 |
2119 | "User %ld tried to run dev %ld ino %ld in place of dev %ld ino %ld!\n\ |
2120 | (Filename of set-id script was %s, uid %ld gid %ld.)\n\nSincerely,\nperl\n", |
2121 | (long)uid,(long)tmpstatbuf.st_dev, (long)tmpstatbuf.st_ino, |
2122 | (long)statbuf.st_dev, (long)statbuf.st_ino, |
463ee0b2 |
2123 | SvPVX(GvSV(curcop->cop_filegv)), |
ff0cee69 |
2124 | (long)statbuf.st_uid, (long)statbuf.st_gid); |
6ad3d225 |
2125 | (void)PerlProc_pclose(rsfp); |
a687059c |
2126 | } |
463ee0b2 |
2127 | croak("Permission denied\n"); |
a687059c |
2128 | } |
85e6fe83 |
2129 | if ( |
2130 | #ifdef HAS_SETREUID |
2131 | setreuid(uid,euid) < 0 |
a0d0e21e |
2132 | #else |
2133 | # if defined(HAS_SETRESUID) |
85e6fe83 |
2134 | setresuid(uid,euid,(Uid_t)-1) < 0 |
a0d0e21e |
2135 | # endif |
85e6fe83 |
2136 | #endif |
76e3520e |
2137 | || PerlProc_getuid() != uid || PerlProc_geteuid() != euid) |
463ee0b2 |
2138 | croak("Can't reswap uid and euid"); |
27e2fb84 |
2139 | if (!cando(S_IXUSR,FALSE,&statbuf)) /* can real uid exec? */ |
463ee0b2 |
2140 | croak("Permission denied\n"); |
a687059c |
2141 | } |
fe14fcc3 |
2142 | #endif /* HAS_SETREUID */ |
a687059c |
2143 | #endif /* IAMSUID */ |
2144 | |
27e2fb84 |
2145 | if (!S_ISREG(statbuf.st_mode)) |
463ee0b2 |
2146 | croak("Permission denied"); |
27e2fb84 |
2147 | if (statbuf.st_mode & S_IWOTH) |
463ee0b2 |
2148 | croak("Setuid/gid script is writable by world"); |
13281fa4 |
2149 | doswitches = FALSE; /* -s is insecure in suid */ |
79072805 |
2150 | curcop->cop_line++; |
760ac839 |
2151 | if (sv_gets(linestr, rsfp, 0) == Nullch || |
2152 | strnNE(SvPV(linestr,na),"#!",2) ) /* required even on Sys V */ |
463ee0b2 |
2153 | croak("No #! line"); |
760ac839 |
2154 | s = SvPV(linestr,na)+2; |
663a0e37 |
2155 | if (*s == ' ') s++; |
45d8adaa |
2156 | while (!isSPACE(*s)) s++; |
760ac839 |
2157 | for (s2 = s; (s2 > SvPV(linestr,na)+2 && |
6e72f9df |
2158 | (isDIGIT(s2[-1]) || strchr("._-", s2[-1]))); s2--) ; |
2159 | if (strnNE(s2-4,"perl",4) && strnNE(s-9,"perl",4)) /* sanity check */ |
463ee0b2 |
2160 | croak("Not a perl script"); |
a687059c |
2161 | while (*s == ' ' || *s == '\t') s++; |
13281fa4 |
2162 | /* |
2163 | * #! arg must be what we saw above. They can invoke it by |
2164 | * mentioning suidperl explicitly, but they may not add any strange |
2165 | * arguments beyond what #! says if they do invoke suidperl that way. |
2166 | */ |
2167 | len = strlen(validarg); |
2168 | if (strEQ(validarg," PHOOEY ") || |
45d8adaa |
2169 | strnNE(s,validarg,len) || !isSPACE(s[len])) |
463ee0b2 |
2170 | croak("Args must match #! line"); |
a687059c |
2171 | |
2172 | #ifndef IAMSUID |
2173 | if (euid != uid && (statbuf.st_mode & S_ISUID) && |
2174 | euid == statbuf.st_uid) |
2175 | if (!do_undump) |
463ee0b2 |
2176 | croak("YOU HAVEN'T DISABLED SET-ID SCRIPTS IN THE KERNEL YET!\n\ |
a687059c |
2177 | FIX YOUR KERNEL, PUT A C WRAPPER AROUND THIS SCRIPT, OR USE -u AND UNDUMP!\n"); |
2178 | #endif /* IAMSUID */ |
13281fa4 |
2179 | |
2180 | if (euid) { /* oops, we're not the setuid root perl */ |
760ac839 |
2181 | (void)PerlIO_close(rsfp); |
13281fa4 |
2182 | #ifndef IAMSUID |
46fc3d4c |
2183 | /* try again */ |
6ad3d225 |
2184 | PerlProc_execv(form("%s/sperl%s", BIN_EXP, patchlevel), origargv); |
13281fa4 |
2185 | #endif |
463ee0b2 |
2186 | croak("Can't do setuid\n"); |
13281fa4 |
2187 | } |
2188 | |
83025b21 |
2189 | if (statbuf.st_mode & S_ISGID && statbuf.st_gid != egid) { |
fe14fcc3 |
2190 | #ifdef HAS_SETEGID |
a687059c |
2191 | (void)setegid(statbuf.st_gid); |
2192 | #else |
fe14fcc3 |
2193 | #ifdef HAS_SETREGID |
85e6fe83 |
2194 | (void)setregid((Gid_t)-1,statbuf.st_gid); |
2195 | #else |
2196 | #ifdef HAS_SETRESGID |
2197 | (void)setresgid((Gid_t)-1,statbuf.st_gid,(Gid_t)-1); |
a687059c |
2198 | #else |
76e3520e |
2199 | PerlProc_setgid(statbuf.st_gid); |
a687059c |
2200 | #endif |
2201 | #endif |
85e6fe83 |
2202 | #endif |
76e3520e |
2203 | if (PerlProc_getegid() != statbuf.st_gid) |
463ee0b2 |
2204 | croak("Can't do setegid!\n"); |
83025b21 |
2205 | } |
a687059c |
2206 | if (statbuf.st_mode & S_ISUID) { |
2207 | if (statbuf.st_uid != euid) |
fe14fcc3 |
2208 | #ifdef HAS_SETEUID |
a687059c |
2209 | (void)seteuid(statbuf.st_uid); /* all that for this */ |
2210 | #else |
fe14fcc3 |
2211 | #ifdef HAS_SETREUID |
85e6fe83 |
2212 | (void)setreuid((Uid_t)-1,statbuf.st_uid); |
2213 | #else |
2214 | #ifdef HAS_SETRESUID |
2215 | (void)setresuid((Uid_t)-1,statbuf.st_uid,(Uid_t)-1); |
a687059c |
2216 | #else |
76e3520e |
2217 | PerlProc_setuid(statbuf.st_uid); |
a687059c |
2218 | #endif |
2219 | #endif |
85e6fe83 |
2220 | #endif |
76e3520e |
2221 | if (PerlProc_geteuid() != statbuf.st_uid) |
463ee0b2 |
2222 | croak("Can't do seteuid!\n"); |
a687059c |
2223 | } |
83025b21 |
2224 | else if (uid) { /* oops, mustn't run as root */ |
fe14fcc3 |
2225 | #ifdef HAS_SETEUID |
85e6fe83 |
2226 | (void)seteuid((Uid_t)uid); |
a687059c |
2227 | #else |
fe14fcc3 |
2228 | #ifdef HAS_SETREUID |
85e6fe83 |
2229 | (void)setreuid((Uid_t)-1,(Uid_t)uid); |
a687059c |
2230 | #else |
85e6fe83 |
2231 | #ifdef HAS_SETRESUID |
2232 | (void)setresuid((Uid_t)-1,(Uid_t)uid,(Uid_t)-1); |
2233 | #else |
76e3520e |
2234 | PerlProc_setuid((Uid_t)uid); |
85e6fe83 |
2235 | #endif |
a687059c |
2236 | #endif |
2237 | #endif |
76e3520e |
2238 | if (PerlProc_geteuid() != uid) |
463ee0b2 |
2239 | croak("Can't do seteuid!\n"); |
83025b21 |
2240 | } |
748a9306 |
2241 | init_ids(); |
27e2fb84 |
2242 | if (!cando(S_IXUSR,TRUE,&statbuf)) |
463ee0b2 |
2243 | croak("Permission denied\n"); /* they can't do this */ |
13281fa4 |
2244 | } |
2245 | #ifdef IAMSUID |
2246 | else if (preprocess) |
463ee0b2 |
2247 | croak("-P not allowed for setuid/setgid script\n"); |
96436eeb |
2248 | else if (fdscript >= 0) |
2249 | croak("fd script not allowed in suidperl\n"); |
13281fa4 |
2250 | else |
463ee0b2 |
2251 | croak("Script is not setuid/setgid in suidperl\n"); |
96436eeb |
2252 | |
2253 | /* We absolutely must clear out any saved ids here, so we */ |
2254 | /* exec the real perl, substituting fd script for scriptname. */ |
2255 | /* (We pass script name as "subdir" of fd, which perl will grok.) */ |
760ac839 |
2256 | PerlIO_rewind(rsfp); |
6ad3d225 |
2257 | PerlLIO_lseek(PerlIO_fileno(rsfp),(Off_t)0,0); /* just in case rewind didn't */ |
96436eeb |
2258 | for (which = 1; origargv[which] && origargv[which] != scriptname; which++) ; |
2259 | if (!origargv[which]) |
2260 | croak("Permission denied"); |
46fc3d4c |
2261 | origargv[which] = savepv(form("/dev/fd/%d/%s", |
2262 | PerlIO_fileno(rsfp), origargv[which])); |
96436eeb |
2263 | #if defined(HAS_FCNTL) && defined(F_SETFD) |
760ac839 |
2264 | fcntl(PerlIO_fileno(rsfp),F_SETFD,0); /* ensure no close-on-exec */ |
96436eeb |
2265 | #endif |
6ad3d225 |
2266 | PerlProc_execv(form("%s/perl%s", BIN_EXP, patchlevel), origargv); /* try again */ |
96436eeb |
2267 | croak("Can't do setuid\n"); |
13281fa4 |
2268 | #endif /* IAMSUID */ |
a687059c |
2269 | #else /* !DOSUID */ |
a687059c |
2270 | if (euid != uid || egid != gid) { /* (suidperl doesn't exist, in fact) */ |
2271 | #ifndef SETUID_SCRIPTS_ARE_SECURE_NOW |
96827780 |
2272 | dTHR; |
6ad3d225 |
2273 | PerlLIO_fstat(PerlIO_fileno(rsfp),&statbuf); /* may be either wrapped or real suid */ |
a687059c |
2274 | if ((euid != uid && euid == statbuf.st_uid && statbuf.st_mode & S_ISUID) |
2275 | || |
2276 | (egid != gid && egid == statbuf.st_gid && statbuf.st_mode & S_ISGID) |
2277 | ) |
2278 | if (!do_undump) |
463ee0b2 |
2279 | croak("YOU HAVEN'T DISABLED SET-ID SCRIPTS IN THE KERNEL YET!\n\ |
a687059c |
2280 | FIX YOUR KERNEL, PUT A C WRAPPER AROUND THIS SCRIPT, OR USE -u AND UNDUMP!\n"); |
2281 | #endif /* SETUID_SCRIPTS_ARE_SECURE_NOW */ |
2282 | /* not set-id, must be wrapped */ |
a687059c |
2283 | } |
13281fa4 |
2284 | #endif /* DOSUID */ |
79072805 |
2285 | } |
13281fa4 |
2286 | |
76e3520e |
2287 | STATIC void |
8ac85365 |
2288 | find_beginning(void) |
79072805 |
2289 | { |
6e72f9df |
2290 | register char *s, *s2; |
33b78306 |
2291 | |
2292 | /* skip forward in input to the real script? */ |
2293 | |
bbce6d69 |
2294 | forbid_setid("-x"); |
33b78306 |
2295 | while (doextract) { |
79072805 |
2296 | if ((s = sv_gets(linestr, rsfp, 0)) == Nullch) |
463ee0b2 |
2297 | croak("No Perl script found in input\n"); |
6e72f9df |
2298 | if (*s == '#' && s[1] == '!' && (s = instr(s,"perl"))) { |
760ac839 |
2299 | PerlIO_ungetc(rsfp, '\n'); /* to keep line count right */ |
33b78306 |
2300 | doextract = FALSE; |
6e72f9df |
2301 | while (*s && !(isSPACE (*s) || *s == '#')) s++; |
2302 | s2 = s; |
2303 | while (*s == ' ' || *s == '\t') s++; |
2304 | if (*s++ == '-') { |
2305 | while (isDIGIT(s2[-1]) || strchr("-._", s2[-1])) s2--; |
2306 | if (strnEQ(s2-4,"perl",4)) |
2307 | /*SUPPRESS 530*/ |
2308 | while (s = moreswitches(s)) ; |
33b78306 |
2309 | } |
6ad3d225 |
2310 | if (cddir && PerlDir_chdir(cddir) < 0) |
463ee0b2 |
2311 | croak("Can't chdir to %s",cddir); |
83025b21 |
2312 | } |
2313 | } |
2314 | } |
2315 | |
afe37c7d |
2316 | |
76e3520e |
2317 | STATIC void |
8ac85365 |
2318 | init_ids(void) |
352d5a3a |
2319 | { |
76e3520e |
2320 | uid = (int)PerlProc_getuid(); |
2321 | euid = (int)PerlProc_geteuid(); |
2322 | gid = (int)PerlProc_getgid(); |
2323 | egid = (int)PerlProc_getegid(); |
748a9306 |
2324 | #ifdef VMS |
2325 | uid |= gid << 16; |
2326 | euid |= egid << 16; |
2327 | #endif |
4633a7c4 |
2328 | tainting |= (uid && (euid != uid || egid != gid)); |
748a9306 |
2329 | } |
79072805 |
2330 | |
76e3520e |
2331 | STATIC void |
8ac85365 |
2332 | forbid_setid(char *s) |
bbce6d69 |
2333 | { |
2334 | if (euid != uid) |
2335 | croak("No %s allowed while running setuid", s); |
2336 | if (egid != gid) |
2337 | croak("No %s allowed while running setgid", s); |
2338 | } |
2339 | |
76e3520e |
2340 | STATIC void |
8ac85365 |
2341 | init_debugger(void) |
748a9306 |
2342 | { |
11343788 |
2343 | dTHR; |
79072805 |
2344 | curstash = debstash; |
748a9306 |
2345 | dbargs = GvAV(gv_AVadd((gv_fetchpv("args", GV_ADDMULTI, SVt_PVAV)))); |
79072805 |
2346 | AvREAL_off(dbargs); |
a0d0e21e |
2347 | DBgv = gv_fetchpv("DB", GV_ADDMULTI, SVt_PVGV); |
2348 | DBline = gv_fetchpv("dbline", GV_ADDMULTI, SVt_PVAV); |
748a9306 |
2349 | DBsub = gv_HVadd(gv_fetchpv("sub", GV_ADDMULTI, SVt_PVHV)); |
2350 | DBsingle = GvSV((gv_fetchpv("single", GV_ADDMULTI, SVt_PV))); |
c07a80fd |
2351 | sv_setiv(DBsingle, 0); |
748a9306 |
2352 | DBtrace = GvSV((gv_fetchpv("trace", GV_ADDMULTI, SVt_PV))); |
c07a80fd |
2353 | sv_setiv(DBtrace, 0); |
748a9306 |
2354 | DBsignal = GvSV((gv_fetchpv("signal", GV_ADDMULTI, SVt_PV))); |
c07a80fd |
2355 | sv_setiv(DBsignal, 0); |
79072805 |
2356 | curstash = defstash; |
352d5a3a |
2357 | } |
2358 | |
2ce36478 |
2359 | #ifndef STRESS_REALLOC |
2360 | #define REASONABLE(size) (size) |
2361 | #else |
2362 | #define REASONABLE(size) (1) /* unreasonable */ |
2363 | #endif |
2364 | |
11343788 |
2365 | void |
8ac85365 |
2366 | init_stacks(ARGSproto) |
79072805 |
2367 | { |
e336de0d |
2368 | /* start with 128-item stack and 8K cxstack */ |
2369 | curstackinfo = new_stackinfo(REASONABLE(128), |
2370 | REASONABLE(8192/sizeof(PERL_CONTEXT) - 1)); |
e788e7d3 |
2371 | curstackinfo->si_type = PERLSI_MAIN; |
e336de0d |
2372 | curstack = curstackinfo->si_stack; |
5f05dabc |
2373 | mainstack = curstack; /* remember in case we switch stacks */ |
79072805 |
2374 | |
6e72f9df |
2375 | stack_base = AvARRAY(curstack); |
79072805 |
2376 | stack_sp = stack_base; |
e336de0d |
2377 | stack_max = stack_base + AvMAX(curstack); |
8990e307 |
2378 | |
2ce36478 |
2379 | New(50,tmps_stack,REASONABLE(128),SV*); |
6d4ff0d2 |
2380 | tmps_floor = -1; |
8990e307 |
2381 | tmps_ix = -1; |
2ce36478 |
2382 | tmps_max = REASONABLE(128); |
8990e307 |
2383 | |
cb68f92d |
2384 | New(54,markstack,REASONABLE(32),I32); |
2385 | markstack_ptr = markstack; |
2386 | markstack_max = markstack + REASONABLE(32); |
79072805 |
2387 | |
e336de0d |
2388 | SET_MARKBASE; |
2389 | |
cb68f92d |
2390 | New(54,scopestack,REASONABLE(32),I32); |
2391 | scopestack_ix = 0; |
2392 | scopestack_max = REASONABLE(32); |
79072805 |
2393 | |
cb68f92d |
2394 | New(54,savestack,REASONABLE(128),ANY); |
2395 | savestack_ix = 0; |
2396 | savestack_max = REASONABLE(128); |
79072805 |
2397 | |
cb68f92d |
2398 | New(54,retstack,REASONABLE(16),OP*); |
2399 | retstack_ix = 0; |
2400 | retstack_max = REASONABLE(16); |
378cc40b |
2401 | } |
33b78306 |
2402 | |
2ce36478 |
2403 | #undef REASONABLE |
2404 | |
76e3520e |
2405 | STATIC void |
8ac85365 |
2406 | nuke_stacks(void) |
6e72f9df |
2407 | { |
e858de61 |
2408 | dTHR; |
e336de0d |
2409 | while (curstackinfo->si_next) |
2410 | curstackinfo = curstackinfo->si_next; |
2411 | while (curstackinfo) { |
2412 | PERL_SI *p = curstackinfo->si_prev; |
bac4b2ad |
2413 | /* curstackinfo->si_stack got nuked by sv_free_arenas() */ |
e336de0d |
2414 | Safefree(curstackinfo->si_cxstack); |
2415 | Safefree(curstackinfo); |
2416 | curstackinfo = p; |
2417 | } |
6e72f9df |
2418 | Safefree(tmps_stack); |
00db4c45 |
2419 | Safefree(markstack); |
2420 | Safefree(scopestack); |
2421 | Safefree(savestack); |
2422 | Safefree(retstack); |
5f05dabc |
2423 | DEBUG( { |
2424 | Safefree(debname); |
2425 | Safefree(debdelim); |
2426 | } ) |
378cc40b |
2427 | } |
33b78306 |
2428 | |
76e3520e |
2429 | #ifndef PERL_OBJECT |
760ac839 |
2430 | static PerlIO *tmpfp; /* moved outside init_lexer() because of UNICOS bug */ |
76e3520e |
2431 | #endif |
7aa04957 |
2432 | |
76e3520e |
2433 | STATIC void |
8ac85365 |
2434 | init_lexer(void) |
8990e307 |
2435 | { |
76e3520e |
2436 | #ifdef PERL_OBJECT |
2437 | PerlIO *tmpfp; |
2438 | #endif |
a0d0e21e |
2439 | tmpfp = rsfp; |
90248788 |
2440 | rsfp = Nullfp; |
8990e307 |
2441 | lex_start(linestr); |
2442 | rsfp = tmpfp; |
2443 | subname = newSVpv("main",4); |
2444 | } |
2445 | |
76e3520e |
2446 | STATIC void |
8ac85365 |
2447 | init_predump_symbols(void) |
45d8adaa |
2448 | { |
11343788 |
2449 | dTHR; |
93a17b20 |
2450 | GV *tmpgv; |
a0d0e21e |
2451 | GV *othergv; |
79072805 |
2452 | |
e1c148c2 |
2453 | sv_setpvn(perl_get_sv("\"", TRUE), " ", 1); |
85e6fe83 |
2454 | stdingv = gv_fetchpv("STDIN",TRUE, SVt_PVIO); |
a5f75d66 |
2455 | GvMULTI_on(stdingv); |
760ac839 |
2456 | IoIFP(GvIOp(stdingv)) = PerlIO_stdin(); |
adbc6bb1 |
2457 | tmpgv = gv_fetchpv("stdin",TRUE, SVt_PV); |
a5f75d66 |
2458 | GvMULTI_on(tmpgv); |
a0d0e21e |
2459 | GvIOp(tmpgv) = (IO*)SvREFCNT_inc(GvIOp(stdingv)); |
79072805 |
2460 | |
85e6fe83 |
2461 | tmpgv = gv_fetchpv("STDOUT",TRUE, SVt_PVIO); |
a5f75d66 |
2462 | GvMULTI_on(tmpgv); |
760ac839 |
2463 | IoOFP(GvIOp(tmpgv)) = IoIFP(GvIOp(tmpgv)) = PerlIO_stdout(); |
4633a7c4 |
2464 | setdefout(tmpgv); |
adbc6bb1 |
2465 | tmpgv = gv_fetchpv("stdout",TRUE, SVt_PV); |
a5f75d66 |
2466 | GvMULTI_on(tmpgv); |
a0d0e21e |
2467 | GvIOp(tmpgv) = (IO*)SvREFCNT_inc(GvIOp(defoutgv)); |
79072805 |
2468 | |
a0d0e21e |
2469 | othergv = gv_fetchpv("STDERR",TRUE, SVt_PVIO); |
a5f75d66 |
2470 | GvMULTI_on(othergv); |
760ac839 |
2471 | IoOFP(GvIOp(othergv)) = IoIFP(GvIOp(othergv)) = PerlIO_stderr(); |
adbc6bb1 |
2472 | tmpgv = gv_fetchpv("stderr",TRUE, SVt_PV); |
a5f75d66 |
2473 | GvMULTI_on(tmpgv); |
a0d0e21e |
2474 | GvIOp(tmpgv) = (IO*)SvREFCNT_inc(GvIOp(othergv)); |
79072805 |
2475 | |
2476 | statname = NEWSV(66,0); /* last filename we did stat on */ |
ab821d7f |
2477 | |
6e72f9df |
2478 | if (!osname) |
2479 | osname = savepv(OSNAME); |
79072805 |
2480 | } |
33b78306 |
2481 | |
76e3520e |
2482 | STATIC void |
8ac85365 |
2483 | init_postdump_symbols(register int argc, register char **argv, register char **env) |
33b78306 |
2484 | { |
a863c7d1 |
2485 | dTHR; |
79072805 |
2486 | char *s; |
2487 | SV *sv; |
2488 | GV* tmpgv; |
fe14fcc3 |
2489 | |
79072805 |
2490 | argc--,argv++; /* skip name of script */ |
2491 | if (doswitches) { |
2492 | for (; argc > 0 && **argv == '-'; argc--,argv++) { |
2493 | if (!argv[0][1]) |
2494 | break; |
2495 | if (argv[0][1] == '-') { |
2496 | argc--,argv++; |
2497 | break; |
2498 | } |
93a17b20 |
2499 | if (s = strchr(argv[0], '=')) { |
79072805 |
2500 | *s++ = '\0'; |
85e6fe83 |
2501 | sv_setpv(GvSV(gv_fetchpv(argv[0]+1,TRUE, SVt_PV)),s); |
79072805 |
2502 | } |
2503 | else |
85e6fe83 |
2504 | sv_setiv(GvSV(gv_fetchpv(argv[0]+1,TRUE, SVt_PV)),1); |
fe14fcc3 |
2505 | } |
79072805 |
2506 | } |
2507 | toptarget = NEWSV(0,0); |
2508 | sv_upgrade(toptarget, SVt_PVFM); |
2509 | sv_setpvn(toptarget, "", 0); |
748a9306 |
2510 | bodytarget = NEWSV(0,0); |
79072805 |
2511 | sv_upgrade(bodytarget, SVt_PVFM); |
2512 | sv_setpvn(bodytarget, "", 0); |
2513 | formtarget = bodytarget; |
2514 | |
bbce6d69 |
2515 | TAINT; |
85e6fe83 |
2516 | if (tmpgv = gv_fetchpv("0",TRUE, SVt_PV)) { |
79072805 |
2517 | sv_setpv(GvSV(tmpgv),origfilename); |
2518 | magicname("0", "0", 1); |
2519 | } |
85e6fe83 |
2520 | if (tmpgv = gv_fetchpv("\030",TRUE, SVt_PV)) |
79072805 |
2521 | sv_setpv(GvSV(tmpgv),origargv[0]); |
85e6fe83 |
2522 | if (argvgv = gv_fetchpv("ARGV",TRUE, SVt_PVAV)) { |
a5f75d66 |
2523 | GvMULTI_on(argvgv); |
79072805 |
2524 | (void)gv_AVadd(argvgv); |
2525 | av_clear(GvAVn(argvgv)); |
2526 | for (; argc > 0; argc--,argv++) { |
a0d0e21e |
2527 | av_push(GvAVn(argvgv),newSVpv(argv[0],0)); |
79072805 |
2528 | } |
2529 | } |
85e6fe83 |
2530 | if (envgv = gv_fetchpv("ENV",TRUE, SVt_PVHV)) { |
79072805 |
2531 | HV *hv; |
a5f75d66 |
2532 | GvMULTI_on(envgv); |
79072805 |
2533 | hv = GvHVn(envgv); |
5aabfad6 |
2534 | hv_magic(hv, envgv, 'E'); |
a0d0e21e |
2535 | #ifndef VMS /* VMS doesn't have environ array */ |
4633a7c4 |
2536 | /* Note that if the supplied env parameter is actually a copy |
2537 | of the global environ then it may now point to free'd memory |
2538 | if the environment has been modified since. To avoid this |
2539 | problem we treat env==NULL as meaning 'use the default' |
2540 | */ |
2541 | if (!env) |
2542 | env = environ; |
5aabfad6 |
2543 | if (env != environ) |
79072805 |
2544 | environ[0] = Nullch; |
2545 | for (; *env; env++) { |
93a17b20 |
2546 | if (!(s = strchr(*env,'='))) |
79072805 |
2547 | continue; |
2548 | *s++ = '\0'; |
60ce6247 |
2549 | #if defined(MSDOS) |
137443ea |
2550 | (void)strupr(*env); |
2551 | #endif |
79072805 |
2552 | sv = newSVpv(s--,0); |
2553 | (void)hv_store(hv, *env, s - *env, sv, 0); |
2554 | *s = '='; |
3e3baf6d |
2555 | #if defined(__BORLANDC__) && defined(USE_WIN32_RTL_ENV) |
2556 | /* Sins of the RTL. See note in my_setenv(). */ |
76e3520e |
2557 | (void)PerlEnv_putenv(savepv(*env)); |
3e3baf6d |
2558 | #endif |
fe14fcc3 |
2559 | } |
4550b24a |
2560 | #endif |
2561 | #ifdef DYNAMIC_ENV_FETCH |
2562 | HvNAME(hv) = savepv(ENV_HV_NAME); |
2563 | #endif |
79072805 |
2564 | } |
bbce6d69 |
2565 | TAINT_NOT; |
85e6fe83 |
2566 | if (tmpgv = gv_fetchpv("$",TRUE, SVt_PV)) |
1e422769 |
2567 | sv_setiv(GvSV(tmpgv), (IV)getpid()); |
33b78306 |
2568 | } |
34de22dd |
2569 | |
76e3520e |
2570 | STATIC void |
8ac85365 |
2571 | init_perllib(void) |
34de22dd |
2572 | { |
85e6fe83 |
2573 | char *s; |
2574 | if (!tainting) { |
552a7a9b |
2575 | #ifndef VMS |
76e3520e |
2576 | s = PerlEnv_getenv("PERL5LIB"); |
85e6fe83 |
2577 | if (s) |
774d564b |
2578 | incpush(s, TRUE); |
85e6fe83 |
2579 | else |
76e3520e |
2580 | incpush(PerlEnv_getenv("PERLLIB"), FALSE); |
552a7a9b |
2581 | #else /* VMS */ |
2582 | /* Treat PERL5?LIB as a possible search list logical name -- the |
2583 | * "natural" VMS idiom for a Unix path string. We allow each |
2584 | * element to be a set of |-separated directories for compatibility. |
2585 | */ |
2586 | char buf[256]; |
2587 | int idx = 0; |
2588 | if (my_trnlnm("PERL5LIB",buf,0)) |
774d564b |
2589 | do { incpush(buf,TRUE); } while (my_trnlnm("PERL5LIB",buf,++idx)); |
552a7a9b |
2590 | else |
774d564b |
2591 | while (my_trnlnm("PERLLIB",buf,idx++)) incpush(buf,FALSE); |
552a7a9b |
2592 | #endif /* VMS */ |
85e6fe83 |
2593 | } |
34de22dd |
2594 | |
c90c0ff4 |
2595 | /* Use the ~-expanded versions of APPLLIB (undocumented), |
dfe9444c |
2596 | ARCHLIB PRIVLIB SITEARCH and SITELIB |
df5cef82 |
2597 | */ |
4633a7c4 |
2598 | #ifdef APPLLIB_EXP |
43051805 |
2599 | incpush(APPLLIB_EXP, TRUE); |
16d20bd9 |
2600 | #endif |
4633a7c4 |
2601 | |
fed7345c |
2602 | #ifdef ARCHLIB_EXP |
774d564b |
2603 | incpush(ARCHLIB_EXP, FALSE); |
a0d0e21e |
2604 | #endif |
fed7345c |
2605 | #ifndef PRIVLIB_EXP |
2606 | #define PRIVLIB_EXP "/usr/local/lib/perl5:/usr/local/lib/perl" |
34de22dd |
2607 | #endif |
00dc2f4f |
2608 | #if defined(WIN32) |
2609 | incpush(PRIVLIB_EXP, TRUE); |
2610 | #else |
774d564b |
2611 | incpush(PRIVLIB_EXP, FALSE); |
00dc2f4f |
2612 | #endif |
4633a7c4 |
2613 | |
2614 | #ifdef SITEARCH_EXP |
774d564b |
2615 | incpush(SITEARCH_EXP, FALSE); |
4633a7c4 |
2616 | #endif |
2617 | #ifdef SITELIB_EXP |
00dc2f4f |
2618 | #if defined(WIN32) |
2619 | incpush(SITELIB_EXP, TRUE); |
2620 | #else |
774d564b |
2621 | incpush(SITELIB_EXP, FALSE); |
4633a7c4 |
2622 | #endif |
00dc2f4f |
2623 | #endif |
4633a7c4 |
2624 | if (!tainting) |
774d564b |
2625 | incpush(".", FALSE); |
2626 | } |
2627 | |
2628 | #if defined(DOSISH) |
2629 | # define PERLLIB_SEP ';' |
2630 | #else |
2631 | # if defined(VMS) |
2632 | # define PERLLIB_SEP '|' |
2633 | # else |
2634 | # define PERLLIB_SEP ':' |
2635 | # endif |
2636 | #endif |
2637 | #ifndef PERLLIB_MANGLE |
2638 | # define PERLLIB_MANGLE(s,n) (s) |
2639 | #endif |
2640 | |
76e3520e |
2641 | STATIC void |
8ac85365 |
2642 | incpush(char *p, int addsubdirs) |
774d564b |
2643 | { |
2644 | SV *subdir = Nullsv; |
774d564b |
2645 | |
2646 | if (!p) |
2647 | return; |
2648 | |
2649 | if (addsubdirs) { |
00db4c45 |
2650 | subdir = sv_newmortal(); |
774d564b |
2651 | if (!archpat_auto) { |
2652 | STRLEN len = (sizeof(ARCHNAME) + strlen(patchlevel) |
2653 | + sizeof("//auto")); |
2654 | New(55, archpat_auto, len, char); |
2655 | sprintf(archpat_auto, "/%s/%s/auto", ARCHNAME, patchlevel); |
aa689395 |
2656 | #ifdef VMS |
2657 | for (len = sizeof(ARCHNAME) + 2; |
2658 | archpat_auto[len] != '\0' && archpat_auto[len] != '/'; len++) |
2659 | if (archpat_auto[len] == '.') archpat_auto[len] = '_'; |
2660 | #endif |
774d564b |
2661 | } |
2662 | } |
2663 | |
2664 | /* Break at all separators */ |
2665 | while (p && *p) { |
8c52afec |
2666 | SV *libdir = NEWSV(55,0); |
774d564b |
2667 | char *s; |
2668 | |
2669 | /* skip any consecutive separators */ |
2670 | while ( *p == PERLLIB_SEP ) { |
2671 | /* Uncomment the next line for PATH semantics */ |
2672 | /* av_push(GvAVn(incgv), newSVpv(".", 1)); */ |
2673 | p++; |
2674 | } |
2675 | |
2676 | if ( (s = strchr(p, PERLLIB_SEP)) != Nullch ) { |
2677 | sv_setpvn(libdir, PERLLIB_MANGLE(p, (STRLEN)(s - p)), |
2678 | (STRLEN)(s - p)); |
2679 | p = s + 1; |
2680 | } |
2681 | else { |
2682 | sv_setpv(libdir, PERLLIB_MANGLE(p, 0)); |
2683 | p = Nullch; /* break out */ |
2684 | } |
2685 | |
2686 | /* |
2687 | * BEFORE pushing libdir onto @INC we may first push version- and |
2688 | * archname-specific sub-directories. |
2689 | */ |
2690 | if (addsubdirs) { |
2691 | struct stat tmpstatbuf; |
aa689395 |
2692 | #ifdef VMS |
2693 | char *unix; |
2694 | STRLEN len; |
774d564b |
2695 | |
aa689395 |
2696 | if ((unix = tounixspec_ts(SvPV(libdir,na),Nullch)) != Nullch) { |
2697 | len = strlen(unix); |
2698 | while (unix[len-1] == '/') len--; /* Cosmetic */ |
2699 | sv_usepvn(libdir,unix,len); |
2700 | } |
2701 | else |
2702 | PerlIO_printf(PerlIO_stderr(), |
2703 | "Failed to unixify @INC element \"%s\"\n", |
2704 | SvPV(libdir,na)); |
2705 | #endif |
4fdae800 |
2706 | /* .../archname/version if -d .../archname/version/auto */ |
774d564b |
2707 | sv_setsv(subdir, libdir); |
2708 | sv_catpv(subdir, archpat_auto); |
76e3520e |
2709 | if (PerlLIO_stat(SvPVX(subdir), &tmpstatbuf) >= 0 && |
774d564b |
2710 | S_ISDIR(tmpstatbuf.st_mode)) |
2711 | av_push(GvAVn(incgv), |
2712 | newSVpv(SvPVX(subdir), SvCUR(subdir) - sizeof "auto")); |
2713 | |
4fdae800 |
2714 | /* .../archname if -d .../archname/auto */ |
774d564b |
2715 | sv_insert(subdir, SvCUR(libdir) + sizeof(ARCHNAME), |
2716 | strlen(patchlevel) + 1, "", 0); |
76e3520e |
2717 | if (PerlLIO_stat(SvPVX(subdir), &tmpstatbuf) >= 0 && |
774d564b |
2718 | S_ISDIR(tmpstatbuf.st_mode)) |
2719 | av_push(GvAVn(incgv), |
2720 | newSVpv(SvPVX(subdir), SvCUR(subdir) - sizeof "auto")); |
2721 | } |
2722 | |
2723 | /* finally push this lib directory on the end of @INC */ |
2724 | av_push(GvAVn(incgv), libdir); |
2725 | } |
34de22dd |
2726 | } |
93a17b20 |
2727 | |
199100c8 |
2728 | #ifdef USE_THREADS |
76e3520e |
2729 | STATIC struct perl_thread * |
199100c8 |
2730 | init_main_thread() |
2731 | { |
52e1cb5e |
2732 | struct perl_thread *thr; |
199100c8 |
2733 | XPV *xpv; |
2734 | |
52e1cb5e |
2735 | Newz(53, thr, 1, struct perl_thread); |
199100c8 |
2736 | curcop = &compiling; |
2737 | thr->cvcache = newHV(); |
54b9620d |
2738 | thr->threadsv = newAV(); |
940cb80d |
2739 | /* thr->threadsvp is set when find_threadsv is called */ |
199100c8 |
2740 | thr->specific = newAV(); |
38a03e6e |
2741 | thr->errhv = newHV(); |
199100c8 |
2742 | thr->flags = THRf_R_JOINABLE; |
2743 | MUTEX_INIT(&thr->mutex); |
2744 | /* Handcraft thrsv similarly to mess_sv */ |
2745 | New(53, thrsv, 1, SV); |
2746 | Newz(53, xpv, 1, XPV); |
2747 | SvFLAGS(thrsv) = SVt_PV; |
2748 | SvANY(thrsv) = (void*)xpv; |
2749 | SvREFCNT(thrsv) = 1 << 30; /* practically infinite */ |
2750 | SvPVX(thrsv) = (char*)thr; |
2751 | SvCUR_set(thrsv, sizeof(thr)); |
2752 | SvLEN_set(thrsv, sizeof(thr)); |
2753 | *SvEND(thrsv) = '\0'; /* in the trailing_nul field */ |
2754 | thr->oursv = thrsv; |
199100c8 |
2755 | chopset = " \n-"; |
2756 | |
2757 | MUTEX_LOCK(&threads_mutex); |
2758 | nthreads++; |
2759 | thr->tid = 0; |
2760 | thr->next = thr; |
2761 | thr->prev = thr; |
2762 | MUTEX_UNLOCK(&threads_mutex); |
2763 | |
4b026b9e |
2764 | #ifdef HAVE_THREAD_INTERN |
2765 | init_thread_intern(thr); |
235db74f |
2766 | #endif |
2767 | |
2768 | #ifdef SET_THREAD_SELF |
2769 | SET_THREAD_SELF(thr); |
199100c8 |
2770 | #else |
2771 | thr->self = pthread_self(); |
235db74f |
2772 | #endif /* SET_THREAD_SELF */ |
199100c8 |
2773 | SET_THR(thr); |
2774 | |
2775 | /* |
2776 | * These must come after the SET_THR because sv_setpvn does |
2777 | * SvTAINT and the taint fields require dTHR. |
2778 | */ |
2779 | toptarget = NEWSV(0,0); |
2780 | sv_upgrade(toptarget, SVt_PVFM); |
2781 | sv_setpvn(toptarget, "", 0); |
2782 | bodytarget = NEWSV(0,0); |
2783 | sv_upgrade(bodytarget, SVt_PVFM); |
2784 | sv_setpvn(bodytarget, "", 0); |
2785 | formtarget = bodytarget; |
2faa37cc |
2786 | thr->errsv = newSVpv("", 0); |
78857c3c |
2787 | (void) find_threadsv("@"); /* Ensure $@ is initialised early */ |
5c0ca799 |
2788 | |
2789 | maxscream = -1; |
2790 | regcompp = FUNC_NAME_TO_PTR(pregcomp); |
2791 | regexecp = FUNC_NAME_TO_PTR(regexec_flags); |
2792 | regindent = 0; |
2793 | reginterp_cnt = 0; |
2794 | |
199100c8 |
2795 | return thr; |
2796 | } |
2797 | #endif /* USE_THREADS */ |
2798 | |
93a17b20 |
2799 | void |
76e3520e |
2800 | call_list(I32 oldscope, AV *paramList) |
93a17b20 |
2801 | { |
11343788 |
2802 | dTHR; |
a0d0e21e |
2803 | line_t oldline = curcop->cop_line; |
22921e25 |
2804 | STRLEN len; |
2805 | dJMPENV; |
6224f72b |
2806 | int ret; |
93a17b20 |
2807 | |
76e3520e |
2808 | while (AvFILL(paramList) >= 0) { |
2809 | CV *cv = (CV*)av_shift(paramList); |
93a17b20 |
2810 | |
8990e307 |
2811 | SAVEFREESV(cv); |
a0d0e21e |
2812 | |
6224f72b |
2813 | JMPENV_PUSH(ret); |
2814 | switch (ret) { |
2815 | case 0: { |
38a03e6e |
2816 | SV* atsv = ERRSV; |
748a9306 |
2817 | PUSHMARK(stack_sp); |
2818 | perl_call_sv((SV*)cv, G_EVAL|G_DISCARD); |
12f917ad |
2819 | (void)SvPV(atsv, len); |
748a9306 |
2820 | if (len) { |
54310121 |
2821 | JMPENV_POP; |
748a9306 |
2822 | curcop = &compiling; |
2823 | curcop->cop_line = oldline; |
76e3520e |
2824 | if (paramList == beginav) |
12f917ad |
2825 | sv_catpv(atsv, "BEGIN failed--compilation aborted"); |
748a9306 |
2826 | else |
12f917ad |
2827 | sv_catpv(atsv, "END failed--cleanup aborted"); |
2ae324a7 |
2828 | while (scopestack_ix > oldscope) |
2829 | LEAVE; |
12f917ad |
2830 | croak("%s", SvPVX(atsv)); |
748a9306 |
2831 | } |
a0d0e21e |
2832 | } |
85e6fe83 |
2833 | break; |
6224f72b |
2834 | case 1: |
f86702cc |
2835 | STATUS_ALL_FAILURE; |
85e6fe83 |
2836 | /* FALL THROUGH */ |
6224f72b |
2837 | case 2: |
85e6fe83 |
2838 | /* my_exit() was called */ |
2ae324a7 |
2839 | while (scopestack_ix > oldscope) |
2840 | LEAVE; |
84902520 |
2841 | FREETMPS; |
85e6fe83 |
2842 | curstash = defstash; |
2843 | if (endav) |
68dc0745 |
2844 | call_list(oldscope, endav); |
54310121 |
2845 | JMPENV_POP; |
a0d0e21e |
2846 | curcop = &compiling; |
2847 | curcop->cop_line = oldline; |
85e6fe83 |
2848 | if (statusvalue) { |
76e3520e |
2849 | if (paramList == beginav) |
a0d0e21e |
2850 | croak("BEGIN failed--compilation aborted"); |
85e6fe83 |
2851 | else |
a0d0e21e |
2852 | croak("END failed--cleanup aborted"); |
85e6fe83 |
2853 | } |
f86702cc |
2854 | my_exit_jump(); |
85e6fe83 |
2855 | /* NOTREACHED */ |
6224f72b |
2856 | case 3: |
85e6fe83 |
2857 | if (!restartop) { |
760ac839 |
2858 | PerlIO_printf(PerlIO_stderr(), "panic: restartop\n"); |
a0d0e21e |
2859 | FREETMPS; |
85e6fe83 |
2860 | break; |
2861 | } |
54310121 |
2862 | JMPENV_POP; |
a0d0e21e |
2863 | curcop = &compiling; |
2864 | curcop->cop_line = oldline; |
6224f72b |
2865 | JMPENV_JUMP(3); |
8990e307 |
2866 | } |
54310121 |
2867 | JMPENV_POP; |
93a17b20 |
2868 | } |
93a17b20 |
2869 | } |
93a17b20 |
2870 | |
f86702cc |
2871 | void |
8ac85365 |
2872 | my_exit(U32 status) |
f86702cc |
2873 | { |
5dc0d613 |
2874 | dTHR; |
2875 | |
2876 | #ifdef USE_THREADS |
a863c7d1 |
2877 | DEBUG_L(PerlIO_printf(Perl_debug_log, "my_exit: thread %p, status %lu\n", |
2878 | thr, (unsigned long) status)); |
5dc0d613 |
2879 | #endif /* USE_THREADS */ |
f86702cc |
2880 | switch (status) { |
2881 | case 0: |
2882 | STATUS_ALL_SUCCESS; |
2883 | break; |
2884 | case 1: |
2885 | STATUS_ALL_FAILURE; |
2886 | break; |
2887 | default: |
2888 | STATUS_NATIVE_SET(status); |
2889 | break; |
2890 | } |
2891 | my_exit_jump(); |
2892 | } |
2893 | |
2894 | void |
8ac85365 |
2895 | my_failure_exit(void) |
f86702cc |
2896 | { |
2897 | #ifdef VMS |
2898 | if (vaxc$errno & 1) { |
4fdae800 |
2899 | if (STATUS_NATIVE & 1) /* fortuitiously includes "-1" */ |
2900 | STATUS_NATIVE_SET(44); |
f86702cc |
2901 | } |
2902 | else { |
ff0cee69 |
2903 | if (!vaxc$errno && errno) /* unlikely */ |
4fdae800 |
2904 | STATUS_NATIVE_SET(44); |
f86702cc |
2905 | else |
4fdae800 |
2906 | STATUS_NATIVE_SET(vaxc$errno); |
f86702cc |
2907 | } |
2908 | #else |
9b599b2a |
2909 | int exitstatus; |
f86702cc |
2910 | if (errno & 255) |
2911 | STATUS_POSIX_SET(errno); |
9b599b2a |
2912 | else { |
2913 | exitstatus = STATUS_POSIX >> 8; |
2914 | if (exitstatus & 255) |
2915 | STATUS_POSIX_SET(exitstatus); |
2916 | else |
2917 | STATUS_POSIX_SET(255); |
2918 | } |
f86702cc |
2919 | #endif |
2920 | my_exit_jump(); |
93a17b20 |
2921 | } |
2922 | |
76e3520e |
2923 | STATIC void |
8ac85365 |
2924 | my_exit_jump(void) |
f86702cc |
2925 | { |
bac4b2ad |
2926 | dSP; |
c09156bb |
2927 | register PERL_CONTEXT *cx; |
f86702cc |
2928 | I32 gimme; |
2929 | SV **newsp; |
2930 | |
afe37c7d |
2931 | if (e_script) { |
2932 | SvREFCNT_dec(e_script); |
2933 | e_script = Nullsv; |
f86702cc |
2934 | } |
2935 | |
bac4b2ad |
2936 | POPSTACK_TO(mainstack); |
f86702cc |
2937 | if (cxstack_ix >= 0) { |
2938 | if (cxstack_ix > 0) |
2939 | dounwind(0); |
2940 | POPBLOCK(cx,curpm); |
2941 | LEAVE; |
2942 | } |
ff0cee69 |
2943 | |
6224f72b |
2944 | JMPENV_JUMP(2); |
f86702cc |
2945 | } |
873ef191 |
2946 | |
2947 | |
2948 | #include "XSUB.h" |
2949 | |
2950 | static I32 |
6224f72b |
2951 | #ifdef PERL_OBJECT |
2952 | read_e_script(CPerlObj *pPerl, int idx, SV *buf_sv, int maxlen) |
2953 | #else |
2954 | read_e_script(int idx, SV *buf_sv, int maxlen) |
2955 | #endif |
873ef191 |
2956 | { |
2957 | char *p, *nl; |
873ef191 |
2958 | p = SvPVX(e_script); |
2959 | nl = strchr(p, '\n'); |
2960 | nl = (nl) ? nl+1 : SvEND(e_script); |
2961 | if (nl-p == 0) |
2962 | return 0; |
2963 | sv_catpvn(buf_sv, p, nl-p); |
2964 | sv_chop(e_script, nl); |
2965 | return 1; |
2966 | } |
2967 | |
1163b5c4 |
2968 | |