Commit | Line | Data |
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83025b21 | 1 | char rcsid[] = "$RCSfile: perl.c,v $$Revision: 4.0.1.7 $$Date: 92/06/08 14:50:39 $\nPatch level: ###\n"; |
8d063cd8 | 2 | /* |
352d5a3a | 3 | * Copyright (c) 1991, Larry Wall |
a687059c | 4 | * |
352d5a3a LW |
5 | * You may distribute under the terms of either the GNU General Public |
6 | * License or the Artistic License, as specified in the README file. | |
a687059c | 7 | * |
fe14fcc3 | 8 | * $Log: perl.c,v $ |
83025b21 LW |
9 | * Revision 4.0.1.7 92/06/08 14:50:39 lwall |
10 | * patch20: PERLLIB now supports multiple directories | |
11 | * patch20: running taintperl explicitly now does checks even if $< == $> | |
12 | * patch20: -e 'cmd' no longer fails silently if /tmp runs out of space | |
13 | * patch20: perl -P now uses location of sed determined by Configure | |
14 | * patch20: form feed for formats is now specifiable via $^L | |
15 | * patch20: paragraph mode now skips extra newlines automatically | |
16 | * patch20: eval "1 #comment" didn't work | |
17 | * patch20: couldn't require . files | |
18 | * patch20: semantic compilation errors didn't abort execution | |
19 | * | |
988174c1 LW |
20 | * Revision 4.0.1.6 91/11/11 16:38:45 lwall |
21 | * patch19: default arg for shift was wrong after first subroutine definition | |
22 | * patch19: op/regexp.t failed from missing arg to bcmp() | |
23 | * | |
45d8adaa LW |
24 | * Revision 4.0.1.5 91/11/05 18:03:32 lwall |
25 | * patch11: random cleanup | |
26 | * patch11: $0 was being truncated at times | |
27 | * patch11: cppstdin now installed outside of source directory | |
28 | * patch11: -P didn't allow use of #elif or #undef | |
29 | * patch11: prepared for ctype implementations that don't define isascii() | |
30 | * patch11: added eval {} | |
31 | * patch11: eval confused by string containing null | |
32 | * | |
1462b684 LW |
33 | * Revision 4.0.1.4 91/06/10 01:23:07 lwall |
34 | * patch10: perl -v printed incorrect copyright notice | |
35 | * | |
352d5a3a LW |
36 | * Revision 4.0.1.3 91/06/07 11:40:18 lwall |
37 | * patch4: changed old $^P to $^X | |
38 | * | |
39 | * Revision 4.0.1.2 91/06/07 11:26:16 lwall | |
40 | * patch4: new copyright notice | |
41 | * patch4: added $^P variable to control calling of perldb routines | |
42 | * patch4: added $^F variable to specify maximum system fd, default 2 | |
43 | * patch4: debugger lost track of lines in eval | |
44 | * | |
35c8bce7 LW |
45 | * Revision 4.0.1.1 91/04/11 17:49:05 lwall |
46 | * patch1: fixed undefined environ problem | |
47 | * | |
fe14fcc3 LW |
48 | * Revision 4.0 91/03/20 01:37:44 lwall |
49 | * 4.0 baseline. | |
8d063cd8 LW |
50 | * |
51 | */ | |
52 | ||
45d8adaa LW |
53 | /*SUPPRESS 560*/ |
54 | ||
378cc40b LW |
55 | #include "EXTERN.h" |
56 | #include "perl.h" | |
57 | #include "perly.h" | |
a687059c | 58 | #include "patchlevel.h" |
378cc40b | 59 | |
352d5a3a LW |
60 | char *getenv(); |
61 | ||
a687059c LW |
62 | #ifdef IAMSUID |
63 | #ifndef DOSUID | |
64 | #define DOSUID | |
65 | #endif | |
66 | #endif | |
378cc40b | 67 | |
a687059c LW |
68 | #ifdef SETUID_SCRIPTS_ARE_SECURE_NOW |
69 | #ifdef DOSUID | |
70 | #undef DOSUID | |
71 | #endif | |
72 | #endif | |
8d063cd8 | 73 | |
33b78306 | 74 | static char* moreswitches(); |
83025b21 | 75 | static void incpush(); |
33b78306 | 76 | static char* cddir; |
33b78306 | 77 | static bool minus_c; |
27e2fb84 | 78 | static char patchlevel[6]; |
fe14fcc3 LW |
79 | static char *nrs = "\n"; |
80 | static int nrschar = '\n'; /* final char of rs, or 0777 if none */ | |
81 | static int nrslen = 1; | |
33b78306 | 82 | |
8d063cd8 LW |
83 | main(argc,argv,env) |
84 | register int argc; | |
85 | register char **argv; | |
86 | register char **env; | |
87 | { | |
88 | register STR *str; | |
89 | register char *s; | |
45d8adaa | 90 | char *scriptname; |
352d5a3a | 91 | char *getenv(); |
378cc40b | 92 | bool dosearch = FALSE; |
a687059c | 93 | #ifdef DOSUID |
13281fa4 LW |
94 | char *validarg = ""; |
95 | #endif | |
8d063cd8 | 96 | |
a687059c LW |
97 | #ifdef SETUID_SCRIPTS_ARE_SECURE_NOW |
98 | #ifdef IAMSUID | |
99 | #undef IAMSUID | |
100 | fatal("suidperl is no longer needed since the kernel can now execute\n\ | |
101 | setuid perl scripts securely.\n"); | |
102 | #endif | |
103 | #endif | |
104 | ||
ac58e20f LW |
105 | origargv = argv; |
106 | origargc = argc; | |
fe14fcc3 | 107 | origenviron = environ; |
378cc40b LW |
108 | uid = (int)getuid(); |
109 | euid = (int)geteuid(); | |
a687059c LW |
110 | gid = (int)getgid(); |
111 | egid = (int)getegid(); | |
fe14fcc3 | 112 | sprintf(patchlevel,"%3.3s%2.2d", index(rcsid,'4'), PATCHLEVEL); |
0f85fab0 LW |
113 | #ifdef MSDOS |
114 | /* | |
115 | * There is no way we can refer to them from Perl so close them to save | |
116 | * space. The other alternative would be to provide STDAUX and STDPRN | |
117 | * filehandles. | |
118 | */ | |
119 | (void)fclose(stdaux); | |
120 | (void)fclose(stdprn); | |
121 | #endif | |
a687059c | 122 | if (do_undump) { |
33b78306 | 123 | origfilename = savestr(argv[0]); |
a687059c | 124 | do_undump = 0; |
ac58e20f | 125 | loop_ptr = -1; /* start label stack again */ |
a687059c LW |
126 | goto just_doit; |
127 | } | |
83025b21 LW |
128 | #ifdef TAINT |
129 | #ifndef DOSUID | |
130 | if (uid == euid && gid == egid) | |
e334a159 | 131 | taintanyway = TRUE; /* running taintperl explicitly */ |
83025b21 LW |
132 | #endif |
133 | #endif | |
a687059c LW |
134 | (void)sprintf(index(rcsid,'#'), "%d\n", PATCHLEVEL); |
135 | linestr = Str_new(65,80); | |
378cc40b | 136 | str_nset(linestr,"",0); |
a687059c LW |
137 | str = str_make("",0); /* first used for -I flags */ |
138 | curstash = defstash = hnew(0); | |
139 | curstname = str_make("main",4); | |
140 | stab_xhash(stabent("_main",TRUE)) = defstash; | |
20188a90 | 141 | defstash->tbl_name = "main"; |
33b78306 | 142 | incstab = hadd(aadd(stabent("INC",TRUE))); |
a687059c | 143 | incstab->str_pok |= SP_MULTI; |
33b78306 | 144 | for (argc--,argv++; argc > 0; argc--,argv++) { |
8d063cd8 LW |
145 | if (argv[0][0] != '-' || !argv[0][1]) |
146 | break; | |
13281fa4 LW |
147 | #ifdef DOSUID |
148 | if (*validarg) | |
149 | validarg = " PHOOEY "; | |
150 | else | |
151 | validarg = argv[0]; | |
152 | #endif | |
153 | s = argv[0]+1; | |
8d063cd8 | 154 | reswitch: |
13281fa4 | 155 | switch (*s) { |
27e2fb84 | 156 | case '0': |
378cc40b | 157 | case 'a': |
33b78306 | 158 | case 'c': |
a687059c | 159 | case 'd': |
8d063cd8 | 160 | case 'D': |
33b78306 | 161 | case 'i': |
fe14fcc3 | 162 | case 'l': |
33b78306 LW |
163 | case 'n': |
164 | case 'p': | |
165 | case 'u': | |
166 | case 'U': | |
167 | case 'v': | |
168 | case 'w': | |
169 | if (s = moreswitches(s)) | |
170 | goto reswitch; | |
8d063cd8 | 171 | break; |
33b78306 | 172 | |
8d063cd8 | 173 | case 'e': |
a687059c LW |
174 | #ifdef TAINT |
175 | if (euid != uid || egid != gid) | |
176 | fatal("No -e allowed in setuid scripts"); | |
177 | #endif | |
8d063cd8 | 178 | if (!e_fp) { |
a687059c LW |
179 | e_tmpname = savestr(TMPPATH); |
180 | (void)mktemp(e_tmpname); | |
83025b21 LW |
181 | if (!*e_tmpname) |
182 | fatal("Can't mktemp()"); | |
8d063cd8 | 183 | e_fp = fopen(e_tmpname,"w"); |
33b78306 LW |
184 | if (!e_fp) |
185 | fatal("Cannot open temporary file"); | |
8d063cd8 | 186 | } |
33b78306 | 187 | if (argv[1]) { |
8d063cd8 | 188 | fputs(argv[1],e_fp); |
33b78306 LW |
189 | argc--,argv++; |
190 | } | |
a687059c | 191 | (void)putc('\n', e_fp); |
8d063cd8 LW |
192 | break; |
193 | case 'I': | |
a687059c LW |
194 | #ifdef TAINT |
195 | if (euid != uid || egid != gid) | |
196 | fatal("No -I allowed in setuid scripts"); | |
197 | #endif | |
13281fa4 LW |
198 | str_cat(str,"-"); |
199 | str_cat(str,s); | |
8d063cd8 | 200 | str_cat(str," "); |
a687059c LW |
201 | if (*++s) { |
202 | (void)apush(stab_array(incstab),str_make(s,0)); | |
378cc40b | 203 | } |
33b78306 | 204 | else if (argv[1]) { |
a687059c | 205 | (void)apush(stab_array(incstab),str_make(argv[1],0)); |
8d063cd8 LW |
206 | str_cat(str,argv[1]); |
207 | argc--,argv++; | |
208 | str_cat(str," "); | |
209 | } | |
210 | break; | |
8d063cd8 | 211 | case 'P': |
a687059c LW |
212 | #ifdef TAINT |
213 | if (euid != uid || egid != gid) | |
214 | fatal("No -P allowed in setuid scripts"); | |
215 | #endif | |
8d063cd8 | 216 | preprocess = TRUE; |
13281fa4 | 217 | s++; |
8d063cd8 LW |
218 | goto reswitch; |
219 | case 's': | |
a687059c LW |
220 | #ifdef TAINT |
221 | if (euid != uid || egid != gid) | |
222 | fatal("No -s allowed in setuid scripts"); | |
223 | #endif | |
8d063cd8 | 224 | doswitches = TRUE; |
13281fa4 | 225 | s++; |
8d063cd8 | 226 | goto reswitch; |
378cc40b | 227 | case 'S': |
45d8adaa LW |
228 | #ifdef TAINT |
229 | if (euid != uid || egid != gid) | |
230 | fatal("No -S allowed in setuid scripts"); | |
231 | #endif | |
378cc40b | 232 | dosearch = TRUE; |
13281fa4 | 233 | s++; |
378cc40b | 234 | goto reswitch; |
33b78306 LW |
235 | case 'x': |
236 | doextract = TRUE; | |
13281fa4 | 237 | s++; |
33b78306 LW |
238 | if (*s) |
239 | cddir = savestr(s); | |
240 | break; | |
8d063cd8 LW |
241 | case '-': |
242 | argc--,argv++; | |
243 | goto switch_end; | |
244 | case 0: | |
245 | break; | |
246 | default: | |
13281fa4 | 247 | fatal("Unrecognized switch: -%s",s); |
8d063cd8 LW |
248 | } |
249 | } | |
250 | switch_end: | |
45d8adaa | 251 | scriptname = argv[0]; |
8d063cd8 | 252 | if (e_fp) { |
83025b21 LW |
253 | if (fflush(e_fp) || ferror(e_fp) || fclose(e_fp)) |
254 | fatal("Can't write to temp file for -e: %s", strerror(errno)); | |
8d063cd8 | 255 | argc++,argv--; |
45d8adaa | 256 | scriptname = e_tmpname; |
8d063cd8 | 257 | } |
fe14fcc3 | 258 | |
83025b21 | 259 | #ifdef DOSISH |
fe14fcc3 LW |
260 | #define PERLLIB_SEP ';' |
261 | #else | |
262 | #define PERLLIB_SEP ':' | |
263 | #endif | |
264 | #ifndef TAINT /* Can't allow arbitrary PERLLIB in setuid script */ | |
83025b21 | 265 | incpush(getenv("PERLLIB")); |
fe14fcc3 LW |
266 | #endif /* TAINT */ |
267 | ||
378cc40b LW |
268 | #ifndef PRIVLIB |
269 | #define PRIVLIB "/usr/local/lib/perl" | |
270 | #endif | |
83025b21 | 271 | incpush(PRIVLIB); |
33b78306 | 272 | (void)apush(stab_array(incstab),str_make(".",1)); |
8d063cd8 LW |
273 | |
274 | str_set(&str_no,No); | |
275 | str_set(&str_yes,Yes); | |
8d063cd8 LW |
276 | |
277 | /* open script */ | |
278 | ||
45d8adaa | 279 | if (scriptname == Nullch) |
34de22dd LW |
280 | #ifdef MSDOS |
281 | { | |
282 | if ( isatty(fileno(stdin)) ) | |
283 | moreswitches("v"); | |
45d8adaa | 284 | scriptname = "-"; |
34de22dd LW |
285 | } |
286 | #else | |
45d8adaa | 287 | scriptname = "-"; |
34de22dd | 288 | #endif |
45d8adaa | 289 | if (dosearch && !index(scriptname, '/') && (s = getenv("PATH"))) { |
378cc40b | 290 | char *xfound = Nullch, *xfailed = Nullch; |
a687059c | 291 | int len; |
378cc40b | 292 | |
a687059c | 293 | bufend = s + strlen(s); |
378cc40b | 294 | while (*s) { |
83025b21 | 295 | #ifndef DOSISH |
a687059c | 296 | s = cpytill(tokenbuf,s,bufend,':',&len); |
33b78306 | 297 | #else |
83025b21 LW |
298 | #ifdef atarist |
299 | for (len = 0; *s && *s != ',' && *s != ';'; tokenbuf[len++] = *s++); | |
300 | tokenbuf[len] = '\0'; | |
301 | #else | |
33b78306 LW |
302 | for (len = 0; *s && *s != ';'; tokenbuf[len++] = *s++); |
303 | tokenbuf[len] = '\0'; | |
304 | #endif | |
83025b21 | 305 | #endif |
378cc40b LW |
306 | if (*s) |
307 | s++; | |
83025b21 | 308 | #ifndef DOSISH |
33b78306 LW |
309 | if (len && tokenbuf[len-1] != '/') |
310 | #else | |
83025b21 LW |
311 | #ifdef atarist |
312 | if (len && ((tokenbuf[len-1] != '\\') && (tokenbuf[len-1] != '/'))) | |
313 | #else | |
33b78306 LW |
314 | if (len && tokenbuf[len-1] != '\\') |
315 | #endif | |
83025b21 | 316 | #endif |
a687059c | 317 | (void)strcat(tokenbuf+len,"/"); |
45d8adaa | 318 | (void)strcat(tokenbuf+len,scriptname); |
378cc40b LW |
319 | #ifdef DEBUGGING |
320 | if (debug & 1) | |
321 | fprintf(stderr,"Looking for %s\n",tokenbuf); | |
322 | #endif | |
323 | if (stat(tokenbuf,&statbuf) < 0) /* not there? */ | |
324 | continue; | |
27e2fb84 LW |
325 | if (S_ISREG(statbuf.st_mode) |
326 | && cando(S_IRUSR,TRUE,&statbuf) && cando(S_IXUSR,TRUE,&statbuf)) { | |
378cc40b LW |
327 | xfound = tokenbuf; /* bingo! */ |
328 | break; | |
329 | } | |
330 | if (!xfailed) | |
331 | xfailed = savestr(tokenbuf); | |
332 | } | |
333 | if (!xfound) | |
45d8adaa | 334 | fatal("Can't execute %s", xfailed ? xfailed : scriptname ); |
378cc40b | 335 | if (xfailed) |
a687059c | 336 | Safefree(xfailed); |
45d8adaa | 337 | scriptname = savestr(xfound); |
378cc40b | 338 | } |
a687059c | 339 | |
20188a90 | 340 | fdpid = anew(Nullstab); /* for remembering popen pids by fd */ |
27e2fb84 | 341 | pidstatus = hnew(COEFFSIZE);/* for remembering status of dead pids */ |
a687059c | 342 | |
45d8adaa | 343 | origfilename = savestr(scriptname); |
20188a90 LW |
344 | curcmd->c_filestab = fstab(origfilename); |
345 | if (strEQ(origfilename,"-")) | |
45d8adaa | 346 | scriptname = ""; |
8d063cd8 | 347 | if (preprocess) { |
45d8adaa LW |
348 | char *cpp = CPPSTDIN; |
349 | ||
350 | if (strEQ(cpp,"cppstdin")) | |
351 | sprintf(tokenbuf, "%s/%s", SCRIPTDIR, cpp); | |
352 | else | |
353 | sprintf(tokenbuf, "%s", cpp); | |
378cc40b LW |
354 | str_cat(str,"-I"); |
355 | str_cat(str,PRIVLIB); | |
83025b21 | 356 | #ifdef MSDOS |
a687059c | 357 | (void)sprintf(buf, "\ |
83025b21 LW |
358 | sed %s -e \"/^[^#]/b\" \ |
359 | -e \"/^#[ ]*include[ ]/b\" \ | |
360 | -e \"/^#[ ]*define[ ]/b\" \ | |
361 | -e \"/^#[ ]*if[ ]/b\" \ | |
362 | -e \"/^#[ ]*ifdef[ ]/b\" \ | |
363 | -e \"/^#[ ]*ifndef[ ]/b\" \ | |
364 | -e \"/^#[ ]*else/b\" \ | |
365 | -e \"/^#[ ]*elif[ ]/b\" \ | |
366 | -e \"/^#[ ]*undef[ ]/b\" \ | |
367 | -e \"/^#[ ]*endif/b\" \ | |
368 | -e \"s/^#.*//\" \ | |
369 | %s | %s -C %s %s", | |
370 | (doextract ? "-e \"1,/^#/d\n\"" : ""), | |
371 | #else | |
372 | (void)sprintf(buf, "\ | |
373 | %s %s -e '/^[^#]/b' \ | |
8d063cd8 LW |
374 | -e '/^#[ ]*include[ ]/b' \ |
375 | -e '/^#[ ]*define[ ]/b' \ | |
376 | -e '/^#[ ]*if[ ]/b' \ | |
377 | -e '/^#[ ]*ifdef[ ]/b' \ | |
378cc40b | 378 | -e '/^#[ ]*ifndef[ ]/b' \ |
8d063cd8 | 379 | -e '/^#[ ]*else/b' \ |
45d8adaa LW |
380 | -e '/^#[ ]*elif[ ]/b' \ |
381 | -e '/^#[ ]*undef[ ]/b' \ | |
8d063cd8 | 382 | -e '/^#[ ]*endif/b' \ |
45d8adaa | 383 | -e 's/^[ ]*#.*//' \ |
378cc40b | 384 | %s | %s -C %s %s", |
83025b21 LW |
385 | #ifdef LOC_SED |
386 | LOC_SED, | |
20188a90 | 387 | #else |
83025b21 | 388 | "sed", |
20188a90 | 389 | #endif |
33b78306 | 390 | (doextract ? "-e '1,/^#/d\n'" : ""), |
83025b21 | 391 | #endif |
45d8adaa | 392 | scriptname, tokenbuf, str_get(str), CPPMINUS); |
34de22dd LW |
393 | #ifdef DEBUGGING |
394 | if (debug & 64) { | |
395 | fputs(buf,stderr); | |
396 | fputs("\n",stderr); | |
397 | } | |
398 | #endif | |
399 | doextract = FALSE; | |
a687059c | 400 | #ifdef IAMSUID /* actually, this is caught earlier */ |
83025b21 | 401 | if (euid != uid && !euid) { /* if running suidperl */ |
fe14fcc3 | 402 | #ifdef HAS_SETEUID |
a687059c LW |
403 | (void)seteuid(uid); /* musn't stay setuid root */ |
404 | #else | |
fe14fcc3 | 405 | #ifdef HAS_SETREUID |
a687059c LW |
406 | (void)setreuid(-1, uid); |
407 | #else | |
408 | setuid(uid); | |
409 | #endif | |
13281fa4 | 410 | #endif |
83025b21 LW |
411 | if (geteuid() != uid) |
412 | fatal("Can't do seteuid!\n"); | |
413 | } | |
a687059c LW |
414 | #endif /* IAMSUID */ |
415 | rsfp = mypopen(buf,"r"); | |
8d063cd8 | 416 | } |
45d8adaa LW |
417 | else if (!*scriptname) { |
418 | #ifdef TAINT | |
419 | if (euid != uid || egid != gid) | |
420 | fatal("Can't take set-id script from stdin"); | |
421 | #endif | |
8d063cd8 | 422 | rsfp = stdin; |
45d8adaa | 423 | } |
8d063cd8 | 424 | else |
45d8adaa LW |
425 | rsfp = fopen(scriptname,"r"); |
426 | if ((FILE*)rsfp == Nullfp) { | |
13281fa4 | 427 | #ifdef DOSUID |
a687059c | 428 | #ifndef IAMSUID /* in case script is not readable before setuid */ |
20188a90 | 429 | if (euid && stat(stab_val(curcmd->c_filestab)->str_ptr,&statbuf) >= 0 && |
13281fa4 | 430 | statbuf.st_mode & (S_ISUID|S_ISGID)) { |
27e2fb84 | 431 | (void)sprintf(buf, "%s/sperl%s", BIN, patchlevel); |
a687059c | 432 | execv(buf, origargv); /* try again */ |
13281fa4 LW |
433 | fatal("Can't do setuid\n"); |
434 | } | |
435 | #endif | |
436 | #endif | |
a687059c | 437 | fatal("Can't open perl script \"%s\": %s\n", |
20188a90 | 438 | stab_val(curcmd->c_filestab)->str_ptr, strerror(errno)); |
13281fa4 | 439 | } |
8d063cd8 | 440 | str_free(str); /* free -I directories */ |
fe14fcc3 | 441 | str = Nullstr; |
8d063cd8 | 442 | |
13281fa4 LW |
443 | /* do we need to emulate setuid on scripts? */ |
444 | ||
445 | /* This code is for those BSD systems that have setuid #! scripts disabled | |
446 | * in the kernel because of a security problem. Merely defining DOSUID | |
447 | * in perl will not fix that problem, but if you have disabled setuid | |
448 | * scripts in the kernel, this will attempt to emulate setuid and setgid | |
449 | * on scripts that have those now-otherwise-useless bits set. The setuid | |
27e2fb84 LW |
450 | * root version must be called suidperl or sperlN.NNN. If regular perl |
451 | * discovers that it has opened a setuid script, it calls suidperl with | |
452 | * the same argv that it had. If suidperl finds that the script it has | |
453 | * just opened is NOT setuid root, it sets the effective uid back to the | |
454 | * uid. We don't just make perl setuid root because that loses the | |
455 | * effective uid we had before invoking perl, if it was different from the | |
456 | * uid. | |
13281fa4 LW |
457 | * |
458 | * DOSUID must be defined in both perl and suidperl, and IAMSUID must | |
459 | * be defined in suidperl only. suidperl must be setuid root. The | |
460 | * Configure script will set this up for you if you want it. | |
a687059c LW |
461 | * |
462 | * There is also the possibility of have a script which is running | |
463 | * set-id due to a C wrapper. We want to do the TAINT checks | |
464 | * on these set-id scripts, but don't want to have the overhead of | |
465 | * them in normal perl, and can't use suidperl because it will lose | |
466 | * the effective uid info, so we have an additional non-setuid root | |
27e2fb84 | 467 | * version called taintperl or tperlN.NNN that just does the TAINT checks. |
13281fa4 | 468 | */ |
a687059c | 469 | |
13281fa4 LW |
470 | #ifdef DOSUID |
471 | if (fstat(fileno(rsfp),&statbuf) < 0) /* normal stat is insecure */ | |
20188a90 | 472 | fatal("Can't stat script \"%s\"",origfilename); |
13281fa4 LW |
473 | if (statbuf.st_mode & (S_ISUID|S_ISGID)) { |
474 | int len; | |
475 | ||
a687059c | 476 | #ifdef IAMSUID |
fe14fcc3 | 477 | #ifndef HAS_SETREUID |
a687059c LW |
478 | /* On this access check to make sure the directories are readable, |
479 | * there is actually a small window that the user could use to make | |
480 | * filename point to an accessible directory. So there is a faint | |
481 | * chance that someone could execute a setuid script down in a | |
482 | * non-accessible directory. I don't know what to do about that. | |
483 | * But I don't think it's too important. The manual lies when | |
484 | * it says access() is useful in setuid programs. | |
485 | */ | |
20188a90 | 486 | if (access(stab_val(curcmd->c_filestab)->str_ptr,1)) /*double check*/ |
13281fa4 | 487 | fatal("Permission denied"); |
a687059c LW |
488 | #else |
489 | /* If we can swap euid and uid, then we can determine access rights | |
490 | * with a simple stat of the file, and then compare device and | |
491 | * inode to make sure we did stat() on the same file we opened. | |
492 | * Then we just have to make sure he or she can execute it. | |
493 | */ | |
494 | { | |
495 | struct stat tmpstatbuf; | |
496 | ||
497 | if (setreuid(euid,uid) < 0 || getuid() != euid || geteuid() != uid) | |
498 | fatal("Can't swap uid and euid"); /* really paranoid */ | |
20188a90 LW |
499 | if (stat(stab_val(curcmd->c_filestab)->str_ptr,&tmpstatbuf) < 0) |
500 | fatal("Permission denied"); /* testing full pathname here */ | |
a687059c LW |
501 | if (tmpstatbuf.st_dev != statbuf.st_dev || |
502 | tmpstatbuf.st_ino != statbuf.st_ino) { | |
503 | (void)fclose(rsfp); | |
504 | if (rsfp = mypopen("/bin/mail root","w")) { /* heh, heh */ | |
505 | fprintf(rsfp, | |
506 | "User %d tried to run dev %d ino %d in place of dev %d ino %d!\n\ | |
507 | (Filename of set-id script was %s, uid %d gid %d.)\n\nSincerely,\nperl\n", | |
508 | uid,tmpstatbuf.st_dev, tmpstatbuf.st_ino, | |
509 | statbuf.st_dev, statbuf.st_ino, | |
20188a90 LW |
510 | stab_val(curcmd->c_filestab)->str_ptr, |
511 | statbuf.st_uid, statbuf.st_gid); | |
a687059c LW |
512 | (void)mypclose(rsfp); |
513 | } | |
514 | fatal("Permission denied\n"); | |
515 | } | |
516 | if (setreuid(uid,euid) < 0 || getuid() != uid || geteuid() != euid) | |
517 | fatal("Can't reswap uid and euid"); | |
27e2fb84 | 518 | if (!cando(S_IXUSR,FALSE,&statbuf)) /* can real uid exec? */ |
a687059c LW |
519 | fatal("Permission denied\n"); |
520 | } | |
fe14fcc3 | 521 | #endif /* HAS_SETREUID */ |
a687059c LW |
522 | #endif /* IAMSUID */ |
523 | ||
27e2fb84 | 524 | if (!S_ISREG(statbuf.st_mode)) |
13281fa4 | 525 | fatal("Permission denied"); |
27e2fb84 | 526 | if (statbuf.st_mode & S_IWOTH) |
a687059c | 527 | fatal("Setuid/gid script is writable by world"); |
13281fa4 | 528 | doswitches = FALSE; /* -s is insecure in suid */ |
33b78306 | 529 | curcmd->c_line++; |
13281fa4 LW |
530 | if (fgets(tokenbuf,sizeof tokenbuf, rsfp) == Nullch || |
531 | strnNE(tokenbuf,"#!",2) ) /* required even on Sys V */ | |
532 | fatal("No #! line"); | |
663a0e37 LW |
533 | s = tokenbuf+2; |
534 | if (*s == ' ') s++; | |
45d8adaa | 535 | while (!isSPACE(*s)) s++; |
27e2fb84 | 536 | if (strnNE(s-4,"perl",4) && strnNE(s-9,"perl",4)) /* sanity check */ |
13281fa4 | 537 | fatal("Not a perl script"); |
a687059c | 538 | while (*s == ' ' || *s == '\t') s++; |
13281fa4 LW |
539 | /* |
540 | * #! arg must be what we saw above. They can invoke it by | |
541 | * mentioning suidperl explicitly, but they may not add any strange | |
542 | * arguments beyond what #! says if they do invoke suidperl that way. | |
543 | */ | |
544 | len = strlen(validarg); | |
545 | if (strEQ(validarg," PHOOEY ") || | |
45d8adaa | 546 | strnNE(s,validarg,len) || !isSPACE(s[len])) |
a687059c LW |
547 | fatal("Args must match #! line"); |
548 | ||
549 | #ifndef IAMSUID | |
550 | if (euid != uid && (statbuf.st_mode & S_ISUID) && | |
551 | euid == statbuf.st_uid) | |
552 | if (!do_undump) | |
553 | fatal("YOU HAVEN'T DISABLED SET-ID SCRIPTS IN THE KERNEL YET!\n\ | |
554 | FIX YOUR KERNEL, PUT A C WRAPPER AROUND THIS SCRIPT, OR USE -u AND UNDUMP!\n"); | |
555 | #endif /* IAMSUID */ | |
13281fa4 LW |
556 | |
557 | if (euid) { /* oops, we're not the setuid root perl */ | |
a687059c | 558 | (void)fclose(rsfp); |
13281fa4 | 559 | #ifndef IAMSUID |
27e2fb84 | 560 | (void)sprintf(buf, "%s/sperl%s", BIN, patchlevel); |
a687059c | 561 | execv(buf, origargv); /* try again */ |
13281fa4 LW |
562 | #endif |
563 | fatal("Can't do setuid\n"); | |
564 | } | |
565 | ||
83025b21 | 566 | if (statbuf.st_mode & S_ISGID && statbuf.st_gid != egid) { |
fe14fcc3 | 567 | #ifdef HAS_SETEGID |
a687059c LW |
568 | (void)setegid(statbuf.st_gid); |
569 | #else | |
fe14fcc3 | 570 | #ifdef HAS_SETREGID |
a687059c LW |
571 | (void)setregid((GIDTYPE)-1,statbuf.st_gid); |
572 | #else | |
573 | setgid(statbuf.st_gid); | |
574 | #endif | |
575 | #endif | |
83025b21 LW |
576 | if (getegid() != statbuf.st_gid) |
577 | fatal("Can't do setegid!\n"); | |
578 | } | |
a687059c LW |
579 | if (statbuf.st_mode & S_ISUID) { |
580 | if (statbuf.st_uid != euid) | |
fe14fcc3 | 581 | #ifdef HAS_SETEUID |
a687059c LW |
582 | (void)seteuid(statbuf.st_uid); /* all that for this */ |
583 | #else | |
fe14fcc3 | 584 | #ifdef HAS_SETREUID |
a687059c LW |
585 | (void)setreuid((UIDTYPE)-1,statbuf.st_uid); |
586 | #else | |
587 | setuid(statbuf.st_uid); | |
588 | #endif | |
589 | #endif | |
83025b21 LW |
590 | if (geteuid() != statbuf.st_uid) |
591 | fatal("Can't do seteuid!\n"); | |
a687059c | 592 | } |
83025b21 | 593 | else if (uid) { /* oops, mustn't run as root */ |
fe14fcc3 | 594 | #ifdef HAS_SETEUID |
a687059c LW |
595 | (void)seteuid((UIDTYPE)uid); |
596 | #else | |
fe14fcc3 | 597 | #ifdef HAS_SETREUID |
a687059c LW |
598 | (void)setreuid((UIDTYPE)-1,(UIDTYPE)uid); |
599 | #else | |
600 | setuid((UIDTYPE)uid); | |
601 | #endif | |
602 | #endif | |
83025b21 LW |
603 | if (geteuid() != uid) |
604 | fatal("Can't do seteuid!\n"); | |
605 | } | |
ffed7fef | 606 | uid = (int)getuid(); |
13281fa4 | 607 | euid = (int)geteuid(); |
ffed7fef LW |
608 | gid = (int)getgid(); |
609 | egid = (int)getegid(); | |
27e2fb84 | 610 | if (!cando(S_IXUSR,TRUE,&statbuf)) |
13281fa4 LW |
611 | fatal("Permission denied\n"); /* they can't do this */ |
612 | } | |
613 | #ifdef IAMSUID | |
614 | else if (preprocess) | |
615 | fatal("-P not allowed for setuid/setgid script\n"); | |
616 | else | |
617 | fatal("Script is not setuid/setgid in suidperl\n"); | |
a687059c LW |
618 | #else |
619 | #ifndef TAINT /* we aren't taintperl or suidperl */ | |
620 | /* script has a wrapper--can't run suidperl or we lose euid */ | |
621 | else if (euid != uid || egid != gid) { | |
622 | (void)fclose(rsfp); | |
27e2fb84 | 623 | (void)sprintf(buf, "%s/tperl%s", BIN, patchlevel); |
a687059c LW |
624 | execv(buf, origargv); /* try again */ |
625 | fatal("Can't run setuid script with taint checks"); | |
626 | } | |
627 | #endif /* TAINT */ | |
13281fa4 | 628 | #endif /* IAMSUID */ |
a687059c LW |
629 | #else /* !DOSUID */ |
630 | #ifndef TAINT /* we aren't taintperl or suidperl */ | |
631 | if (euid != uid || egid != gid) { /* (suidperl doesn't exist, in fact) */ | |
632 | #ifndef SETUID_SCRIPTS_ARE_SECURE_NOW | |
633 | fstat(fileno(rsfp),&statbuf); /* may be either wrapped or real suid */ | |
634 | if ((euid != uid && euid == statbuf.st_uid && statbuf.st_mode & S_ISUID) | |
635 | || | |
636 | (egid != gid && egid == statbuf.st_gid && statbuf.st_mode & S_ISGID) | |
637 | ) | |
638 | if (!do_undump) | |
639 | fatal("YOU HAVEN'T DISABLED SET-ID SCRIPTS IN THE KERNEL YET!\n\ | |
640 | FIX YOUR KERNEL, PUT A C WRAPPER AROUND THIS SCRIPT, OR USE -u AND UNDUMP!\n"); | |
641 | #endif /* SETUID_SCRIPTS_ARE_SECURE_NOW */ | |
642 | /* not set-id, must be wrapped */ | |
643 | (void)fclose(rsfp); | |
27e2fb84 | 644 | (void)sprintf(buf, "%s/tperl%s", BIN, patchlevel); |
a687059c LW |
645 | execv(buf, origargv); /* try again */ |
646 | fatal("Can't run setuid script with taint checks"); | |
647 | } | |
648 | #endif /* TAINT */ | |
13281fa4 LW |
649 | #endif /* DOSUID */ |
650 | ||
33b78306 LW |
651 | #if !defined(IAMSUID) && !defined(TAINT) |
652 | ||
653 | /* skip forward in input to the real script? */ | |
654 | ||
655 | while (doextract) { | |
656 | if ((s = str_gets(linestr, rsfp, 0)) == Nullch) | |
657 | fatal("No Perl script found in input\n"); | |
658 | if (*s == '#' && s[1] == '!' && instr(s,"perl")) { | |
659 | ungetc('\n',rsfp); /* to keep line count right */ | |
660 | doextract = FALSE; | |
661 | if (s = instr(s,"perl -")) { | |
662 | s += 6; | |
45d8adaa | 663 | /*SUPPRESS 530*/ |
33b78306 LW |
664 | while (s = moreswitches(s)) ; |
665 | } | |
666 | if (cddir && chdir(cddir) < 0) | |
667 | fatal("Can't chdir to %s",cddir); | |
668 | } | |
669 | } | |
670 | #endif /* !defined(IAMSUID) && !defined(TAINT) */ | |
671 | ||
8d063cd8 LW |
672 | defstab = stabent("_",TRUE); |
673 | ||
988174c1 | 674 | subname = str_make("main",4); |
a687059c LW |
675 | if (perldb) { |
676 | debstash = hnew(0); | |
677 | stab_xhash(stabent("_DB",TRUE)) = debstash; | |
678 | curstash = debstash; | |
20188a90 | 679 | dbargs = stab_xarray(aadd((tmpstab = stabent("args",TRUE)))); |
a687059c | 680 | tmpstab->str_pok |= SP_MULTI; |
20188a90 | 681 | dbargs->ary_flags = 0; |
a687059c LW |
682 | DBstab = stabent("DB",TRUE); |
683 | DBstab->str_pok |= SP_MULTI; | |
20188a90 LW |
684 | DBline = stabent("dbline",TRUE); |
685 | DBline->str_pok |= SP_MULTI; | |
a687059c LW |
686 | DBsub = hadd(tmpstab = stabent("sub",TRUE)); |
687 | tmpstab->str_pok |= SP_MULTI; | |
688 | DBsingle = stab_val((tmpstab = stabent("single",TRUE))); | |
689 | tmpstab->str_pok |= SP_MULTI; | |
20188a90 LW |
690 | DBtrace = stab_val((tmpstab = stabent("trace",TRUE))); |
691 | tmpstab->str_pok |= SP_MULTI; | |
692 | DBsignal = stab_val((tmpstab = stabent("signal",TRUE))); | |
693 | tmpstab->str_pok |= SP_MULTI; | |
a687059c LW |
694 | curstash = defstash; |
695 | } | |
696 | ||
8d063cd8 LW |
697 | /* init tokener */ |
698 | ||
a687059c LW |
699 | bufend = bufptr = str_get(linestr); |
700 | ||
701 | savestack = anew(Nullstab); /* for saving non-local values */ | |
702 | stack = anew(Nullstab); /* for saving non-local values */ | |
703 | stack->ary_flags = 0; /* not a real array */ | |
6eb13c3b LW |
704 | afill(stack,63); afill(stack,-1); /* preextend stack */ |
705 | afill(savestack,63); afill(savestack,-1); | |
8d063cd8 | 706 | |
a687059c | 707 | /* now parse the script */ |
8d063cd8 | 708 | |
a687059c | 709 | error_count = 0; |
33b78306 LW |
710 | if (yyparse() || error_count) { |
711 | if (minus_c) | |
712 | fatal("%s had compilation errors.\n", origfilename); | |
713 | else { | |
714 | fatal("Execution of %s aborted due to compilation errors.\n", | |
715 | origfilename); | |
716 | } | |
717 | } | |
8d063cd8 | 718 | |
a687059c | 719 | New(50,loop_stack,128,struct loop); |
ae986130 LW |
720 | #ifdef DEBUGGING |
721 | if (debug) { | |
722 | New(51,debname,128,char); | |
723 | New(52,debdelim,128,char); | |
724 | } | |
725 | #endif | |
a687059c | 726 | curstash = defstash; |
378cc40b LW |
727 | |
728 | preprocess = FALSE; | |
8d063cd8 LW |
729 | if (e_fp) { |
730 | e_fp = Nullfp; | |
a687059c LW |
731 | (void)UNLINK(e_tmpname); |
732 | } | |
733 | ||
734 | /* initialize everything that won't change if we undump */ | |
735 | ||
736 | if (sigstab = stabent("SIG",allstabs)) { | |
737 | sigstab->str_pok |= SP_MULTI; | |
738 | (void)hadd(sigstab); | |
739 | } | |
740 | ||
352d5a3a | 741 | magicalize("!#?^~=-%.+&*()<>,\\/[|`':\004\t\020\024\027\006"); |
33b78306 | 742 | userinit(); /* in case linked C routines want magical variables */ |
a687059c LW |
743 | |
744 | amperstab = stabent("&",allstabs); | |
745 | leftstab = stabent("`",allstabs); | |
746 | rightstab = stabent("'",allstabs); | |
747 | sawampersand = (amperstab || leftstab || rightstab); | |
748 | if (tmpstab = stabent(":",allstabs)) | |
83025b21 | 749 | str_set(stab_val(tmpstab),chopset); |
20188a90 LW |
750 | if (tmpstab = stabent("\024",allstabs)) |
751 | time(&basetime); | |
a687059c LW |
752 | |
753 | /* these aren't necessarily magical */ | |
83025b21 LW |
754 | if (tmpstab = stabent("\014",allstabs)) { |
755 | str_set(stab_val(tmpstab),"\f"); | |
756 | formfeed = stab_val(tmpstab); | |
757 | } | |
a687059c LW |
758 | if (tmpstab = stabent(";",allstabs)) |
759 | str_set(STAB_STR(tmpstab),"\034"); | |
33b78306 LW |
760 | if (tmpstab = stabent("]",allstabs)) { |
761 | str = STAB_STR(tmpstab); | |
762 | str_set(str,rcsid); | |
27e2fb84 | 763 | str->str_u.str_nval = atof(patchlevel); |
33b78306 LW |
764 | str->str_nok = 1; |
765 | } | |
a687059c LW |
766 | str_nset(stab_val(stabent("\"", TRUE)), " ", 1); |
767 | ||
768 | stdinstab = stabent("STDIN",TRUE); | |
769 | stdinstab->str_pok |= SP_MULTI; | |
83025b21 LW |
770 | if (!stab_io(stdinstab)) |
771 | stab_io(stdinstab) = stio_new(); | |
a687059c LW |
772 | stab_io(stdinstab)->ifp = stdin; |
773 | tmpstab = stabent("stdin",TRUE); | |
774 | stab_io(tmpstab) = stab_io(stdinstab); | |
775 | tmpstab->str_pok |= SP_MULTI; | |
776 | ||
777 | tmpstab = stabent("STDOUT",TRUE); | |
778 | tmpstab->str_pok |= SP_MULTI; | |
83025b21 LW |
779 | if (!stab_io(tmpstab)) |
780 | stab_io(tmpstab) = stio_new(); | |
a687059c LW |
781 | stab_io(tmpstab)->ofp = stab_io(tmpstab)->ifp = stdout; |
782 | defoutstab = tmpstab; | |
783 | tmpstab = stabent("stdout",TRUE); | |
784 | stab_io(tmpstab) = stab_io(defoutstab); | |
785 | tmpstab->str_pok |= SP_MULTI; | |
786 | ||
787 | curoutstab = stabent("STDERR",TRUE); | |
788 | curoutstab->str_pok |= SP_MULTI; | |
83025b21 LW |
789 | if (!stab_io(curoutstab)) |
790 | stab_io(curoutstab) = stio_new(); | |
a687059c LW |
791 | stab_io(curoutstab)->ofp = stab_io(curoutstab)->ifp = stderr; |
792 | tmpstab = stabent("stderr",TRUE); | |
793 | stab_io(tmpstab) = stab_io(curoutstab); | |
794 | tmpstab->str_pok |= SP_MULTI; | |
795 | curoutstab = defoutstab; /* switch back to STDOUT */ | |
796 | ||
797 | statname = Str_new(66,0); /* last filename we did stat on */ | |
798 | ||
fe14fcc3 LW |
799 | /* now that script is parsed, we can modify record separator */ |
800 | ||
801 | rs = nrs; | |
802 | rslen = nrslen; | |
803 | rschar = nrschar; | |
83025b21 | 804 | rspara = (nrslen == 2); |
fe14fcc3 LW |
805 | str_nset(stab_val(stabent("/", TRUE)), rs, rslen); |
806 | ||
a687059c | 807 | if (do_undump) |
34de22dd | 808 | my_unexec(); |
a687059c LW |
809 | |
810 | just_doit: /* come here if running an undumped a.out */ | |
8d063cd8 LW |
811 | argc--,argv++; /* skip name of script */ |
812 | if (doswitches) { | |
813 | for (; argc > 0 && **argv == '-'; argc--,argv++) { | |
814 | if (argv[0][1] == '-') { | |
815 | argc--,argv++; | |
816 | break; | |
817 | } | |
fe14fcc3 LW |
818 | if (s = index(argv[0], '=')) { |
819 | *s++ = '\0'; | |
820 | str_set(stab_val(stabent(argv[0]+1,TRUE)),s); | |
821 | } | |
822 | else | |
823 | str_numset(stab_val(stabent(argv[0]+1,TRUE)),(double)1.0); | |
8d063cd8 LW |
824 | } |
825 | } | |
a687059c LW |
826 | #ifdef TAINT |
827 | tainted = 1; | |
828 | #endif | |
fe14fcc3 | 829 | if (tmpstab = stabent("0",allstabs)) { |
34de22dd | 830 | str_set(stab_val(tmpstab),origfilename); |
fe14fcc3 LW |
831 | magicname("0", Nullch, 0); |
832 | } | |
352d5a3a | 833 | if (tmpstab = stabent("\030",allstabs)) |
fe14fcc3 | 834 | str_set(stab_val(tmpstab),origargv[0]); |
a559c259 | 835 | if (argvstab = stabent("ARGV",allstabs)) { |
a687059c LW |
836 | argvstab->str_pok |= SP_MULTI; |
837 | (void)aadd(argvstab); | |
33b78306 | 838 | aclear(stab_array(argvstab)); |
8d063cd8 | 839 | for (; argc > 0; argc--,argv++) { |
a687059c | 840 | (void)apush(stab_array(argvstab),str_make(argv[0],0)); |
8d063cd8 LW |
841 | } |
842 | } | |
a687059c LW |
843 | #ifdef TAINT |
844 | (void) stabent("ENV",TRUE); /* must test PATH and IFS */ | |
845 | #endif | |
a559c259 | 846 | if (envstab = stabent("ENV",allstabs)) { |
a687059c LW |
847 | envstab->str_pok |= SP_MULTI; |
848 | (void)hadd(envstab); | |
20188a90 | 849 | hclear(stab_hash(envstab), FALSE); |
33b78306 LW |
850 | if (env != environ) |
851 | environ[0] = Nullch; | |
8d063cd8 LW |
852 | for (; *env; env++) { |
853 | if (!(s = index(*env,'='))) | |
854 | continue; | |
855 | *s++ = '\0'; | |
a687059c LW |
856 | str = str_make(s--,0); |
857 | str_magic(str, envstab, 'E', *env, s - *env); | |
858 | (void)hstore(stab_hash(envstab), *env, s - *env, str, 0); | |
859 | *s = '='; | |
8d063cd8 LW |
860 | } |
861 | } | |
a687059c LW |
862 | #ifdef TAINT |
863 | tainted = 0; | |
864 | #endif | |
378cc40b | 865 | if (tmpstab = stabent("$",allstabs)) |
8d063cd8 LW |
866 | str_numset(STAB_STR(tmpstab),(double)getpid()); |
867 | ||
20188a90 LW |
868 | if (dowarn) { |
869 | stab_check('A','Z'); | |
870 | stab_check('a','z'); | |
871 | } | |
872 | ||
a687059c | 873 | if (setjmp(top_env)) /* sets goto_targ on longjump */ |
ac58e20f | 874 | loop_ptr = -1; /* start label stack again */ |
8d063cd8 LW |
875 | |
876 | #ifdef DEBUGGING | |
877 | if (debug & 1024) | |
a687059c | 878 | dump_all(); |
8d063cd8 LW |
879 | if (debug) |
880 | fprintf(stderr,"\nEXECUTING...\n\n"); | |
881 | #endif | |
882 | ||
33b78306 LW |
883 | if (minus_c) { |
884 | fprintf(stderr,"%s syntax OK\n", origfilename); | |
885 | exit(0); | |
886 | } | |
887 | ||
8d063cd8 LW |
888 | /* do it */ |
889 | ||
a687059c | 890 | (void) cmd_exec(main_root,G_SCALAR,-1); |
8d063cd8 LW |
891 | |
892 | if (goto_targ) | |
378cc40b | 893 | fatal("Can't find label \"%s\"--aborting",goto_targ); |
8d063cd8 | 894 | exit(0); |
378cc40b | 895 | /* NOTREACHED */ |
8d063cd8 LW |
896 | } |
897 | ||
fe14fcc3 | 898 | void |
8d063cd8 LW |
899 | magicalize(list) |
900 | register char *list; | |
901 | { | |
8d063cd8 LW |
902 | char sym[2]; |
903 | ||
904 | sym[1] = '\0'; | |
33b78306 LW |
905 | while (*sym = *list++) |
906 | magicname(sym, Nullch, 0); | |
907 | } | |
908 | ||
fe14fcc3 | 909 | void |
33b78306 LW |
910 | magicname(sym,name,namlen) |
911 | char *sym; | |
912 | char *name; | |
913 | int namlen; | |
914 | { | |
915 | register STAB *stab; | |
916 | ||
917 | if (stab = stabent(sym,allstabs)) { | |
918 | stab_flags(stab) = SF_VMAGIC; | |
919 | str_magic(stab_val(stab), stab, 0, name, namlen); | |
378cc40b | 920 | } |
8d063cd8 LW |
921 | } |
922 | ||
83025b21 LW |
923 | static void |
924 | incpush(p) | |
925 | char *p; | |
926 | { | |
927 | char *s; | |
928 | ||
929 | if (!p) | |
930 | return; | |
931 | ||
932 | /* Break at all separators */ | |
933 | while (*p) { | |
934 | /* First, skip any consecutive separators */ | |
935 | while ( *p == PERLLIB_SEP ) { | |
936 | /* Uncomment the next line for PATH semantics */ | |
937 | /* (void)apush(stab_array(incstab), str_make(".", 1)); */ | |
938 | p++; | |
939 | } | |
940 | if ( (s = index(p, PERLLIB_SEP)) != Nullch ) { | |
941 | (void)apush(stab_array(incstab), str_make(p, (int)(s - p))); | |
942 | p = s + 1; | |
943 | } else { | |
944 | (void)apush(stab_array(incstab), str_make(p, 0)); | |
945 | break; | |
946 | } | |
947 | } | |
948 | } | |
949 | ||
352d5a3a LW |
950 | void |
951 | savelines(array, str) | |
952 | ARRAY *array; | |
953 | STR *str; | |
954 | { | |
955 | register char *s = str->str_ptr; | |
956 | register char *send = str->str_ptr + str->str_cur; | |
957 | register char *t; | |
958 | register int line = 1; | |
959 | ||
960 | while (s && s < send) { | |
961 | STR *tmpstr = Str_new(85,0); | |
962 | ||
963 | t = index(s, '\n'); | |
964 | if (t) | |
965 | t++; | |
966 | else | |
967 | t = send; | |
968 | ||
969 | str_nset(tmpstr, s, t - s); | |
970 | astore(array, line++, tmpstr); | |
971 | s = t; | |
972 | } | |
973 | } | |
974 | ||
fe14fcc3 | 975 | /* this routine is in perl.c by virtue of being sort of an alternate main() */ |
8d063cd8 | 976 | |
a687059c | 977 | int |
45d8adaa | 978 | do_eval(str,optype,stash,savecmd,gimme,arglast) |
a687059c LW |
979 | STR *str; |
980 | int optype; | |
981 | HASH *stash; | |
45d8adaa | 982 | int savecmd; |
a687059c LW |
983 | int gimme; |
984 | int *arglast; | |
8d063cd8 | 985 | { |
a687059c LW |
986 | STR **st = stack->ary_array; |
987 | int retval; | |
fe14fcc3 | 988 | CMD *myroot = Nullcmd; |
a687059c LW |
989 | ARRAY *ar; |
990 | int i; | |
33b78306 | 991 | CMD * VOLATILE oldcurcmd = curcmd; |
ac58e20f LW |
992 | VOLATILE int oldtmps_base = tmps_base; |
993 | VOLATILE int oldsave = savestack->ary_fill; | |
20188a90 | 994 | VOLATILE int oldperldb = perldb; |
ac58e20f | 995 | SPAT * VOLATILE oldspat = curspat; |
fe14fcc3 | 996 | SPAT * VOLATILE oldlspat = lastspat; |
a687059c | 997 | static char *last_eval = Nullch; |
45d8adaa | 998 | static long last_elen = 0; |
a687059c | 999 | static CMD *last_root = Nullcmd; |
663a0e37 | 1000 | VOLATILE int sp = arglast[0]; |
33b78306 | 1001 | char *specfilename; |
20188a90 | 1002 | char *tmpfilename; |
fe14fcc3 | 1003 | int parsing = 1; |
8d063cd8 | 1004 | |
a687059c LW |
1005 | tmps_base = tmps_max; |
1006 | if (curstash != stash) { | |
1007 | (void)savehptr(&curstash); | |
1008 | curstash = stash; | |
8d063cd8 | 1009 | } |
a687059c | 1010 | str_set(stab_val(stabent("@",TRUE)),""); |
20188a90 LW |
1011 | if (curcmd->c_line == 0) /* don't debug debugger... */ |
1012 | perldb = FALSE; | |
33b78306 LW |
1013 | curcmd = &compiling; |
1014 | if (optype == O_EVAL) { /* normal eval */ | |
20188a90 | 1015 | curcmd->c_filestab = fstab("(eval)"); |
33b78306 | 1016 | curcmd->c_line = 1; |
a687059c | 1017 | str_sset(linestr,str); |
83025b21 | 1018 | str_cat(linestr,";\n;\n"); /* be kind to them */ |
352d5a3a LW |
1019 | if (perldb) |
1020 | savelines(stab_xarray(curcmd->c_filestab), linestr); | |
8d063cd8 | 1021 | } |
a687059c | 1022 | else { |
0f85fab0 | 1023 | if (last_root && !in_eval) { |
a687059c | 1024 | Safefree(last_eval); |
fe14fcc3 | 1025 | last_eval = Nullch; |
a687059c LW |
1026 | cmd_free(last_root); |
1027 | last_root = Nullcmd; | |
8d063cd8 | 1028 | } |
33b78306 | 1029 | specfilename = str_get(str); |
a687059c | 1030 | str_set(linestr,""); |
20188a90 | 1031 | if (optype == O_REQUIRE && &str_undef != |
33b78306 | 1032 | hfetch(stab_hash(incstab), specfilename, strlen(specfilename), 0)) { |
20188a90 | 1033 | curcmd = oldcurcmd; |
33b78306 LW |
1034 | tmps_base = oldtmps_base; |
1035 | st[++sp] = &str_yes; | |
20188a90 | 1036 | perldb = oldperldb; |
33b78306 LW |
1037 | return sp; |
1038 | } | |
20188a90 | 1039 | tmpfilename = savestr(specfilename); |
83025b21 LW |
1040 | if (*tmpfilename == '/' || |
1041 | (*tmpfilename == '.' && | |
1042 | (tmpfilename[1] == '/' || | |
1043 | (tmpfilename[1] == '.' && tmpfilename[2] == '/')))) | |
1044 | { | |
20188a90 | 1045 | rsfp = fopen(tmpfilename,"r"); |
83025b21 | 1046 | } |
33b78306 LW |
1047 | else { |
1048 | ar = stab_array(incstab); | |
a687059c | 1049 | for (i = 0; i <= ar->ary_fill; i++) { |
20188a90 LW |
1050 | (void)sprintf(buf, "%s/%s", |
1051 | str_get(afetch(ar,i,TRUE)), specfilename); | |
a687059c LW |
1052 | rsfp = fopen(buf,"r"); |
1053 | if (rsfp) { | |
33b78306 LW |
1054 | char *s = buf; |
1055 | ||
1056 | if (*s == '.' && s[1] == '/') | |
1057 | s += 2; | |
20188a90 LW |
1058 | Safefree(tmpfilename); |
1059 | tmpfilename = savestr(s); | |
8d063cd8 LW |
1060 | break; |
1061 | } | |
378cc40b LW |
1062 | } |
1063 | } | |
20188a90 LW |
1064 | curcmd->c_filestab = fstab(tmpfilename); |
1065 | Safefree(tmpfilename); | |
fe14fcc3 | 1066 | tmpfilename = Nullch; |
a687059c | 1067 | if (!rsfp) { |
20188a90 | 1068 | curcmd = oldcurcmd; |
a687059c | 1069 | tmps_base = oldtmps_base; |
33b78306 LW |
1070 | if (optype == O_REQUIRE) { |
1071 | sprintf(tokenbuf,"Can't locate %s in @INC", specfilename); | |
1072 | if (instr(tokenbuf,".h ")) | |
1073 | strcat(tokenbuf," (change .h to .ph maybe?)"); | |
1074 | if (instr(tokenbuf,".ph ")) | |
6eb13c3b | 1075 | strcat(tokenbuf," (did you run h2ph?)"); |
33b78306 LW |
1076 | fatal("%s",tokenbuf); |
1077 | } | |
a687059c LW |
1078 | if (gimme != G_ARRAY) |
1079 | st[++sp] = &str_undef; | |
20188a90 | 1080 | perldb = oldperldb; |
a687059c | 1081 | return sp; |
8d063cd8 | 1082 | } |
33b78306 | 1083 | curcmd->c_line = 0; |
8d063cd8 | 1084 | } |
a687059c LW |
1085 | in_eval++; |
1086 | oldoldbufptr = oldbufptr = bufptr = str_get(linestr); | |
1087 | bufend = bufptr + linestr->str_cur; | |
ac58e20f LW |
1088 | if (++loop_ptr >= loop_max) { |
1089 | loop_max += 128; | |
1090 | Renew(loop_stack, loop_max, struct loop); | |
1091 | } | |
1092 | loop_stack[loop_ptr].loop_label = "_EVAL_"; | |
1093 | loop_stack[loop_ptr].loop_sp = sp; | |
1094 | #ifdef DEBUGGING | |
1095 | if (debug & 4) { | |
1096 | deb("(Pushing label #%d _EVAL_)\n", loop_ptr); | |
1097 | } | |
1098 | #endif | |
fe14fcc3 | 1099 | eval_root = Nullcmd; |
ac58e20f | 1100 | if (setjmp(loop_stack[loop_ptr].loop_env)) { |
a687059c | 1101 | retval = 1; |
8d063cd8 | 1102 | } |
a687059c LW |
1103 | else { |
1104 | error_count = 0; | |
20188a90 | 1105 | if (rsfp) { |
a687059c | 1106 | retval = yyparse(); |
20188a90 LW |
1107 | retval |= error_count; |
1108 | } | |
45d8adaa | 1109 | else if (last_root && last_elen == bufend - bufptr |
988174c1 | 1110 | && *bufptr == *last_eval && !bcmp(bufptr,last_eval,last_elen)){ |
a687059c LW |
1111 | retval = 0; |
1112 | eval_root = last_root; /* no point in reparsing */ | |
1113 | } | |
45d8adaa | 1114 | else if (in_eval == 1 && !savecmd) { |
a687059c LW |
1115 | if (last_root) { |
1116 | Safefree(last_eval); | |
fe14fcc3 | 1117 | last_eval = Nullch; |
a687059c | 1118 | cmd_free(last_root); |
8d063cd8 | 1119 | } |
a687059c | 1120 | last_root = Nullcmd; |
45d8adaa LW |
1121 | last_elen = bufend - bufptr; |
1122 | last_eval = nsavestr(bufptr, last_elen); | |
a687059c | 1123 | retval = yyparse(); |
20188a90 | 1124 | retval |= error_count; |
a687059c LW |
1125 | if (!retval) |
1126 | last_root = eval_root; | |
fe14fcc3 LW |
1127 | if (!last_root) { |
1128 | Safefree(last_eval); | |
1129 | last_eval = Nullch; | |
1130 | } | |
8d063cd8 | 1131 | } |
a687059c LW |
1132 | else |
1133 | retval = yyparse(); | |
8d063cd8 | 1134 | } |
a687059c | 1135 | myroot = eval_root; /* in case cmd_exec does another eval! */ |
20188a90 | 1136 | |
83025b21 | 1137 | if (retval || error_count) { |
ac58e20f LW |
1138 | st = stack->ary_array; |
1139 | sp = arglast[0]; | |
1140 | if (gimme != G_ARRAY) | |
1141 | st[++sp] = &str_undef; | |
fe14fcc3 LW |
1142 | if (parsing) { |
1143 | #ifndef MANGLEDPARSE | |
1144 | #ifdef DEBUGGING | |
1145 | if (debug & 128) | |
1146 | fprintf(stderr,"Freeing eval_root %lx\n",(long)eval_root); | |
1147 | #endif | |
1148 | cmd_free(eval_root); | |
1149 | #endif | |
83025b21 | 1150 | /*SUPPRESS 29*/ /*SUPPRESS 30*/ |
45d8adaa | 1151 | if ((CMD*)eval_root == last_root) |
fe14fcc3 LW |
1152 | last_root = Nullcmd; |
1153 | eval_root = myroot = Nullcmd; | |
1154 | } | |
a687059c LW |
1155 | if (rsfp) { |
1156 | fclose(rsfp); | |
1157 | rsfp = 0; | |
1158 | } | |
8d063cd8 | 1159 | } |
8d063cd8 | 1160 | else { |
fe14fcc3 | 1161 | parsing = 0; |
a687059c LW |
1162 | sp = cmd_exec(eval_root,gimme,sp); |
1163 | st = stack->ary_array; | |
1164 | for (i = arglast[0] + 1; i <= sp; i++) | |
fe14fcc3 | 1165 | st[i] = str_mortal(st[i]); |
a687059c | 1166 | /* if we don't save result, free zaps it */ |
45d8adaa LW |
1167 | if (savecmd) |
1168 | eval_root = myroot; | |
1169 | else if (in_eval != 1 && myroot != last_root) | |
a687059c | 1170 | cmd_free(myroot); |
e334a159 LW |
1171 | if (eval_root == myroot) |
1172 | eval_root = Nullcmd; | |
a559c259 | 1173 | } |
20188a90 LW |
1174 | |
1175 | perldb = oldperldb; | |
a559c259 | 1176 | in_eval--; |
ac58e20f | 1177 | #ifdef DEBUGGING |
20188a90 LW |
1178 | if (debug & 4) { |
1179 | char *tmps = loop_stack[loop_ptr].loop_label; | |
1180 | deb("(Popping label #%d %s)\n",loop_ptr, | |
1181 | tmps ? tmps : "" ); | |
1182 | } | |
ac58e20f LW |
1183 | #endif |
1184 | loop_ptr--; | |
378cc40b | 1185 | tmps_base = oldtmps_base; |
a687059c | 1186 | curspat = oldspat; |
fe14fcc3 | 1187 | lastspat = oldlspat; |
378cc40b LW |
1188 | if (savestack->ary_fill > oldsave) /* let them use local() */ |
1189 | restorelist(oldsave); | |
20188a90 LW |
1190 | |
1191 | if (optype != O_EVAL) { | |
1192 | if (retval) { | |
1193 | if (optype == O_REQUIRE) | |
1194 | fatal("%s", str_get(stab_val(stabent("@",TRUE)))); | |
1195 | } | |
1196 | else { | |
1197 | curcmd = oldcurcmd; | |
1198 | if (gimme == G_SCALAR ? str_true(st[sp]) : sp > arglast[0]) { | |
1199 | (void)hstore(stab_hash(incstab), specfilename, | |
1200 | strlen(specfilename), str_smake(stab_val(curcmd->c_filestab)), | |
1201 | 0 ); | |
1202 | } | |
1203 | else if (optype == O_REQUIRE) | |
1204 | fatal("%s did not return a true value", specfilename); | |
1205 | } | |
1206 | } | |
1207 | curcmd = oldcurcmd; | |
a687059c | 1208 | return sp; |
378cc40b | 1209 | } |
33b78306 | 1210 | |
45d8adaa LW |
1211 | int |
1212 | do_try(cmd,gimme,arglast) | |
1213 | CMD *cmd; | |
1214 | int gimme; | |
1215 | int *arglast; | |
1216 | { | |
1217 | STR **st = stack->ary_array; | |
1218 | ||
1219 | CMD * VOLATILE oldcurcmd = curcmd; | |
1220 | VOLATILE int oldtmps_base = tmps_base; | |
1221 | VOLATILE int oldsave = savestack->ary_fill; | |
1222 | SPAT * VOLATILE oldspat = curspat; | |
1223 | SPAT * VOLATILE oldlspat = lastspat; | |
1224 | VOLATILE int sp = arglast[0]; | |
1225 | ||
1226 | tmps_base = tmps_max; | |
1227 | str_set(stab_val(stabent("@",TRUE)),""); | |
1228 | in_eval++; | |
1229 | if (++loop_ptr >= loop_max) { | |
1230 | loop_max += 128; | |
1231 | Renew(loop_stack, loop_max, struct loop); | |
1232 | } | |
1233 | loop_stack[loop_ptr].loop_label = "_EVAL_"; | |
1234 | loop_stack[loop_ptr].loop_sp = sp; | |
1235 | #ifdef DEBUGGING | |
1236 | if (debug & 4) { | |
1237 | deb("(Pushing label #%d _EVAL_)\n", loop_ptr); | |
1238 | } | |
1239 | #endif | |
1240 | if (setjmp(loop_stack[loop_ptr].loop_env)) { | |
1241 | st = stack->ary_array; | |
1242 | sp = arglast[0]; | |
1243 | if (gimme != G_ARRAY) | |
1244 | st[++sp] = &str_undef; | |
1245 | } | |
1246 | else { | |
1247 | sp = cmd_exec(cmd,gimme,sp); | |
1248 | st = stack->ary_array; | |
1249 | /* for (i = arglast[0] + 1; i <= sp; i++) | |
1250 | st[i] = str_mortal(st[i]); not needed, I think */ | |
1251 | /* if we don't save result, free zaps it */ | |
1252 | } | |
1253 | ||
1254 | in_eval--; | |
1255 | #ifdef DEBUGGING | |
1256 | if (debug & 4) { | |
1257 | char *tmps = loop_stack[loop_ptr].loop_label; | |
1258 | deb("(Popping label #%d %s)\n",loop_ptr, | |
1259 | tmps ? tmps : "" ); | |
1260 | } | |
1261 | #endif | |
1262 | loop_ptr--; | |
1263 | tmps_base = oldtmps_base; | |
1264 | curspat = oldspat; | |
1265 | lastspat = oldlspat; | |
1266 | curcmd = oldcurcmd; | |
1267 | if (savestack->ary_fill > oldsave) /* let them use local() */ | |
1268 | restorelist(oldsave); | |
1269 | ||
1270 | return sp; | |
1271 | } | |
1272 | ||
33b78306 LW |
1273 | /* This routine handles any switches that can be given during run */ |
1274 | ||
1275 | static char * | |
1276 | moreswitches(s) | |
1277 | char *s; | |
1278 | { | |
fe14fcc3 LW |
1279 | int numlen; |
1280 | ||
33b78306 | 1281 | switch (*s) { |
27e2fb84 | 1282 | case '0': |
fe14fcc3 LW |
1283 | nrschar = scanoct(s, 4, &numlen); |
1284 | nrs = nsavestr("\n",1); | |
1285 | *nrs = nrschar; | |
1286 | if (nrschar > 0377) { | |
1287 | nrslen = 0; | |
1288 | nrs = ""; | |
27e2fb84 | 1289 | } |
fe14fcc3 LW |
1290 | else if (!nrschar && numlen >= 2) { |
1291 | nrslen = 2; | |
1292 | nrs = "\n\n"; | |
1293 | nrschar = '\n'; | |
1294 | } | |
1295 | return s + numlen; | |
33b78306 LW |
1296 | case 'a': |
1297 | minus_a = TRUE; | |
1298 | s++; | |
1299 | return s; | |
1300 | case 'c': | |
1301 | minus_c = TRUE; | |
1302 | s++; | |
1303 | return s; | |
1304 | case 'd': | |
1305 | #ifdef TAINT | |
1306 | if (euid != uid || egid != gid) | |
1307 | fatal("No -d allowed in setuid scripts"); | |
1308 | #endif | |
1309 | perldb = TRUE; | |
1310 | s++; | |
1311 | return s; | |
1312 | case 'D': | |
1313 | #ifdef DEBUGGING | |
1314 | #ifdef TAINT | |
1315 | if (euid != uid || egid != gid) | |
1316 | fatal("No -D allowed in setuid scripts"); | |
1317 | #endif | |
fe14fcc3 | 1318 | debug = atoi(s+1) | 32768; |
33b78306 LW |
1319 | #else |
1320 | warn("Recompile perl with -DDEBUGGING to use -D switch\n"); | |
1321 | #endif | |
45d8adaa LW |
1322 | /*SUPPRESS 530*/ |
1323 | for (s++; isDIGIT(*s); s++) ; | |
fe14fcc3 | 1324 | return s; |
33b78306 LW |
1325 | case 'i': |
1326 | inplace = savestr(s+1); | |
45d8adaa LW |
1327 | /*SUPPRESS 530*/ |
1328 | for (s = inplace; *s && !isSPACE(*s); s++) ; | |
33b78306 | 1329 | *s = '\0'; |
33b78306 LW |
1330 | break; |
1331 | case 'I': | |
1332 | #ifdef TAINT | |
1333 | if (euid != uid || egid != gid) | |
1334 | fatal("No -I allowed in setuid scripts"); | |
1335 | #endif | |
1336 | if (*++s) { | |
1337 | (void)apush(stab_array(incstab),str_make(s,0)); | |
1338 | } | |
1339 | else | |
1340 | fatal("No space allowed after -I"); | |
1341 | break; | |
fe14fcc3 LW |
1342 | case 'l': |
1343 | minus_l = TRUE; | |
1344 | s++; | |
45d8adaa | 1345 | if (isDIGIT(*s)) { |
fe14fcc3 LW |
1346 | ors = savestr("\n"); |
1347 | orslen = 1; | |
1348 | *ors = scanoct(s, 3 + (*s == '0'), &numlen); | |
1349 | s += numlen; | |
1350 | } | |
1351 | else { | |
1352 | ors = nsavestr(nrs,nrslen); | |
1353 | orslen = nrslen; | |
1354 | } | |
1355 | return s; | |
33b78306 LW |
1356 | case 'n': |
1357 | minus_n = TRUE; | |
1358 | s++; | |
1359 | return s; | |
1360 | case 'p': | |
1361 | minus_p = TRUE; | |
1362 | s++; | |
1363 | return s; | |
1364 | case 'u': | |
1365 | do_undump = TRUE; | |
1366 | s++; | |
1367 | return s; | |
1368 | case 'U': | |
1369 | unsafe = TRUE; | |
1370 | s++; | |
1371 | return s; | |
1372 | case 'v': | |
fe14fcc3 | 1373 | fputs("\nThis is perl, version 4.0\n\n",stdout); |
33b78306 | 1374 | fputs(rcsid,stdout); |
fe14fcc3 | 1375 | fputs("\nCopyright (c) 1989, 1990, 1991, Larry Wall\n",stdout); |
33b78306 LW |
1376 | #ifdef MSDOS |
1377 | fputs("MS-DOS port Copyright (c) 1989, 1990, Diomidis Spinellis\n", | |
1378 | stdout); | |
20188a90 | 1379 | #ifdef OS2 |
83025b21 | 1380 | fputs("OS/2 port Copyright (c) 1990, 1991, Raymond Chen, Kai Uwe Rommel\n", |
20188a90 LW |
1381 | stdout); |
1382 | #endif | |
33b78306 | 1383 | #endif |
83025b21 LW |
1384 | #ifdef atarist |
1385 | fputs("atariST series port, ++jrb bammi@cadence.com\n", stdout); | |
1386 | #endif | |
33b78306 | 1387 | fputs("\n\ |
1462b684 LW |
1388 | Perl may be copied only under the terms of either the Artistic License or the\n\ |
1389 | GNU General Public License, which may be found in the Perl 4.0 source kit.\n",stdout); | |
20188a90 LW |
1390 | #ifdef MSDOS |
1391 | usage(origargv[0]); | |
1392 | #endif | |
33b78306 LW |
1393 | exit(0); |
1394 | case 'w': | |
1395 | dowarn = TRUE; | |
1396 | s++; | |
1397 | return s; | |
1398 | case ' ': | |
1399 | case '\n': | |
1400 | case '\t': | |
1401 | break; | |
1402 | default: | |
1403 | fatal("Switch meaningless after -x: -%s",s); | |
1404 | } | |
1405 | return Nullch; | |
1406 | } | |
34de22dd LW |
1407 | |
1408 | /* compliments of Tom Christiansen */ | |
1409 | ||
1410 | /* unexec() can be found in the Gnu emacs distribution */ | |
1411 | ||
83025b21 | 1412 | void |
34de22dd LW |
1413 | my_unexec() |
1414 | { | |
1415 | #ifdef UNEXEC | |
1416 | int status; | |
1417 | extern int etext; | |
1418 | static char dumpname[BUFSIZ]; | |
1419 | static char perlpath[256]; | |
1420 | ||
1421 | sprintf (dumpname, "%s.perldump", origfilename); | |
1422 | sprintf (perlpath, "%s/perl", BIN); | |
1423 | ||
1424 | status = unexec(dumpname, perlpath, &etext, sbrk(0), 0); | |
1425 | if (status) | |
1426 | fprintf(stderr, "unexec of %s into %s failed!\n", perlpath, dumpname); | |
1427 | exit(status); | |
1428 | #else | |
83025b21 | 1429 | #ifdef DOSISH |
352d5a3a LW |
1430 | abort(); /* nothing else to do */ |
1431 | #else /* ! MSDOS */ | |
fe14fcc3 LW |
1432 | # ifndef SIGABRT |
1433 | # define SIGABRT SIGILL | |
1434 | # endif | |
1435 | # ifndef SIGILL | |
1436 | # define SIGILL 6 /* blech */ | |
1437 | # endif | |
1438 | kill(getpid(),SIGABRT); /* for use with undump */ | |
352d5a3a | 1439 | #endif /* ! MSDOS */ |
34de22dd LW |
1440 | #endif |
1441 | } | |
1442 |