Commit | Line | Data |
---|---|---|
d0aeaf5a | 1 | /* |
a12ff486 KB |
2 | * Copyright (c) 1980, 1993 |
3 | * The Regents of the University of California. All rights reserved. | |
0c5f72fb | 4 | * |
f15db449 | 5 | * %sccs.include.redist.c% |
d0aeaf5a DF |
6 | */ |
7 | ||
acfc7e9b | 8 | #ifndef lint |
a12ff486 | 9 | static char sccsid[] = "@(#)cmd2.c 8.1 (Berkeley) %G%"; |
acfc7e9b | 10 | #endif /* not lint */ |
a13d1f28 KS |
11 | |
12 | #include "rcv.h" | |
828615a1 | 13 | #include <sys/wait.h> |
a0d23834 | 14 | #include "extern.h" |
a13d1f28 KS |
15 | |
16 | /* | |
17 | * Mail -- a mail program | |
18 | * | |
19 | * More user commands. | |
20 | */ | |
21 | ||
a13d1f28 KS |
22 | /* |
23 | * If any arguments were given, go to the next applicable argument | |
24 | * following dot, otherwise, go to the next applicable message. | |
25 | * If given as first command with no arguments, print first message. | |
26 | */ | |
a0d23834 | 27 | int |
a13d1f28 KS |
28 | next(msgvec) |
29 | int *msgvec; | |
30 | { | |
31 | register struct message *mp; | |
32 | register int *ip, *ip2; | |
33 | int list[2], mdot; | |
34 | ||
35 | if (*msgvec != NULL) { | |
36 | ||
37 | /* | |
38 | * If some messages were supplied, find the | |
39 | * first applicable one following dot using | |
40 | * wrap around. | |
41 | */ | |
42 | ||
43 | mdot = dot - &message[0] + 1; | |
30629819 KS |
44 | |
45 | /* | |
46 | * Find the first message in the supplied | |
47 | * message list which follows dot. | |
48 | */ | |
49 | ||
a13d1f28 KS |
50 | for (ip = msgvec; *ip != NULL; ip++) |
51 | if (*ip > mdot) | |
52 | break; | |
53 | if (*ip == NULL) | |
54 | ip = msgvec; | |
55 | ip2 = ip; | |
56 | do { | |
a13d1f28 KS |
57 | mp = &message[*ip2 - 1]; |
58 | if ((mp->m_flag & MDELETED) == 0) { | |
59 | dot = mp; | |
60 | goto hitit; | |
61 | } | |
30629819 KS |
62 | if (*ip2 != NULL) |
63 | ip2++; | |
64 | if (*ip2 == NULL) | |
65 | ip2 = msgvec; | |
a13d1f28 KS |
66 | } while (ip2 != ip); |
67 | printf("No messages applicable\n"); | |
68 | return(1); | |
69 | } | |
70 | ||
71 | /* | |
72 | * If this is the first command, select message 1. | |
73 | * Note that this must exist for us to get here at all. | |
74 | */ | |
75 | ||
799afc8f | 76 | if (!sawcom) |
a13d1f28 | 77 | goto hitit; |
a13d1f28 KS |
78 | |
79 | /* | |
80 | * Just find the next good message after dot, no | |
81 | * wraparound. | |
82 | */ | |
83 | ||
84 | for (mp = dot+1; mp < &message[msgCount]; mp++) | |
85 | if ((mp->m_flag & (MDELETED|MSAVED)) == 0) | |
86 | break; | |
87 | if (mp >= &message[msgCount]) { | |
88 | printf("At EOF\n"); | |
89 | return(0); | |
90 | } | |
91 | dot = mp; | |
92 | hitit: | |
93 | /* | |
94 | * Print dot. | |
95 | */ | |
96 | ||
97 | list[0] = dot - &message[0] + 1; | |
98 | list[1] = NULL; | |
99 | return(type(list)); | |
100 | } | |
101 | ||
102 | /* | |
c7db23a4 KS |
103 | * Save a message in a file. Mark the message as saved |
104 | * so we can discard when the user quits. | |
a13d1f28 | 105 | */ |
a0d23834 | 106 | int |
a13d1f28 KS |
107 | save(str) |
108 | char str[]; | |
109 | { | |
c7db23a4 | 110 | |
2de8fc95 | 111 | return save1(str, 1, "save", saveignore); |
c7db23a4 KS |
112 | } |
113 | ||
114 | /* | |
115 | * Copy a message to a file without affected its saved-ness | |
116 | */ | |
a0d23834 | 117 | int |
c7db23a4 KS |
118 | copycmd(str) |
119 | char str[]; | |
120 | { | |
121 | ||
2de8fc95 | 122 | return save1(str, 0, "copy", saveignore); |
c7db23a4 KS |
123 | } |
124 | ||
125 | /* | |
126 | * Save/copy the indicated messages at the end of the passed file name. | |
127 | * If mark is true, mark the message "saved." | |
128 | */ | |
a0d23834 | 129 | int |
2de8fc95 | 130 | save1(str, mark, cmd, ignore) |
c7db23a4 | 131 | char str[]; |
a0d23834 | 132 | int mark; |
2de8fc95 EW |
133 | char *cmd; |
134 | struct ignoretab *ignore; | |
c7db23a4 | 135 | { |
470c33f3 | 136 | register int *ip; |
a13d1f28 | 137 | register struct message *mp; |
2de8fc95 EW |
138 | char *file, *disp; |
139 | int f, *msgvec; | |
a13d1f28 | 140 | FILE *obuf; |
a13d1f28 KS |
141 | |
142 | msgvec = (int *) salloc((msgCount + 2) * sizeof *msgvec); | |
143 | if ((file = snarf(str, &f)) == NOSTR) | |
144 | return(1); | |
145 | if (!f) { | |
146 | *msgvec = first(0, MMNORM); | |
147 | if (*msgvec == NULL) { | |
c7db23a4 | 148 | printf("No messages to %s.\n", cmd); |
a13d1f28 KS |
149 | return(1); |
150 | } | |
151 | msgvec[1] = NULL; | |
152 | } | |
153 | if (f && getmsglist(str, msgvec, 0) < 0) | |
154 | return(1); | |
155 | if ((file = expand(file)) == NOSTR) | |
156 | return(1); | |
157 | printf("\"%s\" ", file); | |
80187484 | 158 | fflush(stdout); |
2de8fc95 | 159 | if (access(file, 0) >= 0) |
a13d1f28 KS |
160 | disp = "[Appended]"; |
161 | else | |
162 | disp = "[New file]"; | |
07b0d286 | 163 | if ((obuf = Fopen(file, "a")) == NULL) { |
a13d1f28 KS |
164 | perror(NOSTR); |
165 | return(1); | |
166 | } | |
a13d1f28 | 167 | for (ip = msgvec; *ip && ip-msgvec < msgCount; ip++) { |
470c33f3 EW |
168 | mp = &message[*ip - 1]; |
169 | touch(mp); | |
2de8fc95 | 170 | if (send(mp, obuf, ignore, NOSTR) < 0) { |
a13d1f28 | 171 | perror(file); |
07b0d286 | 172 | Fclose(obuf); |
a13d1f28 KS |
173 | return(1); |
174 | } | |
c7db23a4 KS |
175 | if (mark) |
176 | mp->m_flag |= MSAVED; | |
a13d1f28 KS |
177 | } |
178 | fflush(obuf); | |
179 | if (ferror(obuf)) | |
180 | perror(file); | |
07b0d286 | 181 | Fclose(obuf); |
2de8fc95 | 182 | printf("%s\n", disp); |
a13d1f28 KS |
183 | return(0); |
184 | } | |
185 | ||
186 | /* | |
187 | * Write the indicated messages at the end of the passed | |
188 | * file name, minus header and trailing blank line. | |
189 | */ | |
a0d23834 | 190 | int |
a13d1f28 KS |
191 | swrite(str) |
192 | char str[]; | |
193 | { | |
a13d1f28 | 194 | |
2de8fc95 | 195 | return save1(str, 1, "write", ignoreall); |
a13d1f28 KS |
196 | } |
197 | ||
198 | /* | |
199 | * Snarf the file from the end of the command line and | |
200 | * return a pointer to it. If there is no file attached, | |
201 | * just return NOSTR. Put a null in front of the file | |
202 | * name so that the message list processing won't see it, | |
203 | * unless the file name is the only thing on the line, in | |
204 | * which case, return 0 in the reference flag variable. | |
205 | */ | |
206 | ||
207 | char * | |
208 | snarf(linebuf, flag) | |
209 | char linebuf[]; | |
210 | int *flag; | |
211 | { | |
212 | register char *cp; | |
213 | ||
214 | *flag = 1; | |
215 | cp = strlen(linebuf) + linebuf - 1; | |
216 | ||
217 | /* | |
218 | * Strip away trailing blanks. | |
219 | */ | |
220 | ||
828615a1 | 221 | while (cp > linebuf && isspace(*cp)) |
a13d1f28 KS |
222 | cp--; |
223 | *++cp = 0; | |
224 | ||
225 | /* | |
226 | * Now search for the beginning of the file name. | |
227 | */ | |
228 | ||
828615a1 | 229 | while (cp > linebuf && !isspace(*cp)) |
a13d1f28 KS |
230 | cp--; |
231 | if (*cp == '\0') { | |
232 | printf("No file specified.\n"); | |
233 | return(NOSTR); | |
234 | } | |
828615a1 | 235 | if (isspace(*cp)) |
a13d1f28 KS |
236 | *cp++ = 0; |
237 | else | |
238 | *flag = 0; | |
239 | return(cp); | |
240 | } | |
241 | ||
242 | /* | |
243 | * Delete messages. | |
244 | */ | |
a0d23834 | 245 | int |
a13d1f28 KS |
246 | delete(msgvec) |
247 | int msgvec[]; | |
248 | { | |
2ee3bce2 EW |
249 | delm(msgvec); |
250 | return 0; | |
a13d1f28 KS |
251 | } |
252 | ||
253 | /* | |
254 | * Delete messages, then type the new dot. | |
255 | */ | |
a0d23834 | 256 | int |
a13d1f28 KS |
257 | deltype(msgvec) |
258 | int msgvec[]; | |
259 | { | |
260 | int list[2]; | |
12c002da | 261 | int lastdot; |
a13d1f28 | 262 | |
12c002da | 263 | lastdot = dot - &message[0] + 1; |
a13d1f28 | 264 | if (delm(msgvec) >= 0) { |
470c33f3 | 265 | list[0] = dot - &message[0] + 1; |
12c002da | 266 | if (list[0] > lastdot) { |
470c33f3 | 267 | touch(dot); |
12c002da KS |
268 | list[1] = NULL; |
269 | return(type(list)); | |
270 | } | |
271 | printf("At EOF\n"); | |
2ee3bce2 | 272 | } else |
a13d1f28 | 273 | printf("No more messages\n"); |
2ee3bce2 | 274 | return(0); |
a13d1f28 KS |
275 | } |
276 | ||
277 | /* | |
278 | * Delete the indicated messages. | |
279 | * Set dot to some nice place afterwards. | |
280 | * Internal interface. | |
281 | */ | |
a0d23834 | 282 | int |
a13d1f28 KS |
283 | delm(msgvec) |
284 | int *msgvec; | |
285 | { | |
286 | register struct message *mp; | |
470c33f3 | 287 | register *ip; |
a13d1f28 KS |
288 | int last; |
289 | ||
290 | last = NULL; | |
291 | for (ip = msgvec; *ip != NULL; ip++) { | |
470c33f3 EW |
292 | mp = &message[*ip - 1]; |
293 | touch(mp); | |
3c139aaf KS |
294 | mp->m_flag |= MDELETED|MTOUCH; |
295 | mp->m_flag &= ~(MPRESERVE|MSAVED|MBOX); | |
470c33f3 | 296 | last = *ip; |
a13d1f28 KS |
297 | } |
298 | if (last != NULL) { | |
299 | dot = &message[last-1]; | |
300 | last = first(0, MDELETED); | |
301 | if (last != NULL) { | |
302 | dot = &message[last-1]; | |
303 | return(0); | |
304 | } | |
305 | else { | |
306 | dot = &message[0]; | |
307 | return(-1); | |
308 | } | |
309 | } | |
310 | ||
311 | /* | |
312 | * Following can't happen -- it keeps lint happy | |
313 | */ | |
314 | ||
315 | return(-1); | |
316 | } | |
317 | ||
318 | /* | |
319 | * Undelete the indicated messages. | |
320 | */ | |
a0d23834 | 321 | int |
a13d1f28 KS |
322 | undelete(msgvec) |
323 | int *msgvec; | |
324 | { | |
325 | register struct message *mp; | |
470c33f3 EW |
326 | register *ip; |
327 | ||
328 | for (ip = msgvec; *ip && ip-msgvec < msgCount; ip++) { | |
329 | mp = &message[*ip - 1]; | |
330 | touch(mp); | |
a13d1f28 KS |
331 | dot = mp; |
332 | mp->m_flag &= ~MDELETED; | |
333 | } | |
0b2e8a24 | 334 | return 0; |
a13d1f28 KS |
335 | } |
336 | ||
337 | /* | |
338 | * Interactively dump core on "core" | |
339 | */ | |
a0d23834 | 340 | int |
a13d1f28 KS |
341 | core() |
342 | { | |
322c8626 EW |
343 | int pid; |
344 | extern union wait wait_status; | |
a13d1f28 | 345 | |
322c8626 EW |
346 | switch (pid = vfork()) { |
347 | case -1: | |
a13d1f28 KS |
348 | perror("fork"); |
349 | return(1); | |
322c8626 | 350 | case 0: |
a13d1f28 KS |
351 | abort(); |
352 | _exit(1); | |
353 | } | |
354 | printf("Okie dokie"); | |
355 | fflush(stdout); | |
322c8626 EW |
356 | wait_child(pid); |
357 | if (wait_status.w_coredump) | |
358 | printf(" -- Core dumped.\n"); | |
a13d1f28 | 359 | else |
322c8626 | 360 | printf(" -- Can't dump core.\n"); |
828615a1 | 361 | return 0; |
a13d1f28 | 362 | } |
47e37b8b KS |
363 | |
364 | /* | |
365 | * Clobber as many bytes of stack as the user requests. | |
366 | */ | |
a0d23834 | 367 | int |
47e37b8b KS |
368 | clobber(argv) |
369 | char **argv; | |
370 | { | |
371 | register int times; | |
372 | ||
373 | if (argv[0] == 0) | |
374 | times = 1; | |
375 | else | |
376 | times = (atoi(argv[0]) + 511) / 512; | |
ab61fde0 | 377 | clob1(times); |
0b2e8a24 | 378 | return 0; |
47e37b8b KS |
379 | } |
380 | ||
381 | /* | |
382 | * Clobber the stack. | |
383 | */ | |
a0d23834 | 384 | void |
ab61fde0 | 385 | clob1(n) |
a0d23834 | 386 | int n; |
47e37b8b KS |
387 | { |
388 | char buf[512]; | |
389 | register char *cp; | |
390 | ||
391 | if (n <= 0) | |
392 | return; | |
393 | for (cp = buf; cp < &buf[512]; *cp++ = 0xFF) | |
394 | ; | |
ab61fde0 | 395 | clob1(n - 1); |
47e37b8b | 396 | } |
eed74ec1 | 397 | |
46053c99 S |
398 | /* |
399 | * Add the given header fields to the retained list. | |
400 | * If no arguments, print the current list of retained fields. | |
401 | */ | |
a0d23834 | 402 | int |
46053c99 S |
403 | retfield(list) |
404 | char *list[]; | |
405 | { | |
46053c99 | 406 | |
887efe38 | 407 | return ignore1(list, ignore + 1, "retained"); |
46053c99 S |
408 | } |
409 | ||
410 | /* | |
887efe38 EW |
411 | * Add the given header fields to the ignored list. |
412 | * If no arguments, print the current list of ignored fields. | |
46053c99 | 413 | */ |
a0d23834 | 414 | int |
887efe38 EW |
415 | igfield(list) |
416 | char *list[]; | |
46053c99 | 417 | { |
46053c99 | 418 | |
887efe38 | 419 | return ignore1(list, ignore, "ignored"); |
46053c99 S |
420 | } |
421 | ||
a0d23834 | 422 | int |
887efe38 EW |
423 | saveretfield(list) |
424 | char *list[]; | |
425 | { | |
426 | ||
427 | return ignore1(list, saveignore + 1, "retained"); | |
428 | } | |
429 | ||
a0d23834 | 430 | int |
887efe38 | 431 | saveigfield(list) |
eed74ec1 KS |
432 | char *list[]; |
433 | { | |
887efe38 EW |
434 | |
435 | return ignore1(list, saveignore, "ignored"); | |
436 | } | |
437 | ||
a0d23834 | 438 | int |
887efe38 EW |
439 | ignore1(list, tab, which) |
440 | char *list[]; | |
441 | struct ignoretab *tab; | |
442 | char *which; | |
443 | { | |
eed74ec1 KS |
444 | char field[BUFSIZ]; |
445 | register int h; | |
446 | register struct ignore *igp; | |
447 | char **ap; | |
448 | ||
470c33f3 | 449 | if (*list == NOSTR) |
887efe38 | 450 | return igshow(tab, which); |
eed74ec1 KS |
451 | for (ap = list; *ap != 0; ap++) { |
452 | istrcpy(field, *ap); | |
887efe38 EW |
453 | if (member(field, tab)) |
454 | continue; | |
eed74ec1 KS |
455 | h = hash(field); |
456 | igp = (struct ignore *) calloc(1, sizeof (struct ignore)); | |
828615a1 EW |
457 | igp->i_field = calloc((unsigned) strlen(field) + 1, |
458 | sizeof (char)); | |
eed74ec1 | 459 | strcpy(igp->i_field, field); |
887efe38 EW |
460 | igp->i_link = tab->i_head[h]; |
461 | tab->i_head[h] = igp; | |
462 | tab->i_count++; | |
eed74ec1 | 463 | } |
887efe38 | 464 | return 0; |
eed74ec1 KS |
465 | } |
466 | ||
467 | /* | |
887efe38 | 468 | * Print out all currently retained fields. |
eed74ec1 | 469 | */ |
a0d23834 | 470 | int |
887efe38 EW |
471 | igshow(tab, which) |
472 | struct ignoretab *tab; | |
473 | char *which; | |
eed74ec1 | 474 | { |
887efe38 | 475 | register int h; |
eed74ec1 | 476 | struct ignore *igp; |
93be40ac KS |
477 | char **ap, **ring; |
478 | int igcomp(); | |
eed74ec1 | 479 | |
887efe38 EW |
480 | if (tab->i_count == 0) { |
481 | printf("No fields currently being %s.\n", which); | |
482 | return 0; | |
93be40ac | 483 | } |
887efe38 | 484 | ring = (char **) salloc((tab->i_count + 1) * sizeof (char *)); |
93be40ac KS |
485 | ap = ring; |
486 | for (h = 0; h < HSHSIZE; h++) | |
887efe38 | 487 | for (igp = tab->i_head[h]; igp != 0; igp = igp->i_link) |
93be40ac KS |
488 | *ap++ = igp->i_field; |
489 | *ap = 0; | |
a0d23834 | 490 | qsort(ring, tab->i_count, sizeof (char *), igcomp); |
93be40ac KS |
491 | for (ap = ring; *ap != 0; ap++) |
492 | printf("%s\n", *ap); | |
887efe38 | 493 | return 0; |
eed74ec1 | 494 | } |
93be40ac KS |
495 | |
496 | /* | |
497 | * Compare two names for sorting ignored field list. | |
498 | */ | |
a0d23834 | 499 | int |
93be40ac | 500 | igcomp(l, r) |
a0d23834 | 501 | const void *l, *r; |
93be40ac | 502 | { |
a0d23834 | 503 | return (strcmp(*(char **)l, *(char **)r)); |
93be40ac | 504 | } |