Commit | Line | Data |
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d0aeaf5a DF |
1 | /* |
2 | * Copyright (c) 1980 Regents of the University of California. | |
0c5f72fb KB |
3 | * All rights reserved. |
4 | * | |
5 | * Redistribution and use in source and binary forms are permitted | |
acfc7e9b KB |
6 | * provided that the above copyright notice and this paragraph are |
7 | * duplicated in all such forms and that any documentation, | |
8 | * advertising materials, and other materials related to such | |
9 | * distribution and use acknowledge that the software was developed | |
10 | * by the University of California, Berkeley. The name of the | |
11 | * University may not be used to endorse or promote products derived | |
12 | * from this software without specific prior written permission. | |
13 | * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR | |
14 | * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED | |
15 | * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. | |
d0aeaf5a DF |
16 | */ |
17 | ||
acfc7e9b | 18 | #ifndef lint |
470c33f3 | 19 | static char sccsid[] = "@(#)cmd2.c 5.10 (Berkeley) %G%"; |
acfc7e9b | 20 | #endif /* not lint */ |
a13d1f28 KS |
21 | |
22 | #include "rcv.h" | |
828615a1 | 23 | #include <sys/wait.h> |
a13d1f28 KS |
24 | |
25 | /* | |
26 | * Mail -- a mail program | |
27 | * | |
28 | * More user commands. | |
29 | */ | |
30 | ||
a13d1f28 KS |
31 | /* |
32 | * If any arguments were given, go to the next applicable argument | |
33 | * following dot, otherwise, go to the next applicable message. | |
34 | * If given as first command with no arguments, print first message. | |
35 | */ | |
36 | ||
37 | next(msgvec) | |
38 | int *msgvec; | |
39 | { | |
40 | register struct message *mp; | |
41 | register int *ip, *ip2; | |
42 | int list[2], mdot; | |
43 | ||
44 | if (*msgvec != NULL) { | |
45 | ||
46 | /* | |
47 | * If some messages were supplied, find the | |
48 | * first applicable one following dot using | |
49 | * wrap around. | |
50 | */ | |
51 | ||
52 | mdot = dot - &message[0] + 1; | |
30629819 KS |
53 | |
54 | /* | |
55 | * Find the first message in the supplied | |
56 | * message list which follows dot. | |
57 | */ | |
58 | ||
a13d1f28 KS |
59 | for (ip = msgvec; *ip != NULL; ip++) |
60 | if (*ip > mdot) | |
61 | break; | |
62 | if (*ip == NULL) | |
63 | ip = msgvec; | |
64 | ip2 = ip; | |
65 | do { | |
a13d1f28 KS |
66 | mp = &message[*ip2 - 1]; |
67 | if ((mp->m_flag & MDELETED) == 0) { | |
68 | dot = mp; | |
69 | goto hitit; | |
70 | } | |
30629819 KS |
71 | if (*ip2 != NULL) |
72 | ip2++; | |
73 | if (*ip2 == NULL) | |
74 | ip2 = msgvec; | |
a13d1f28 KS |
75 | } while (ip2 != ip); |
76 | printf("No messages applicable\n"); | |
77 | return(1); | |
78 | } | |
79 | ||
80 | /* | |
81 | * If this is the first command, select message 1. | |
82 | * Note that this must exist for us to get here at all. | |
83 | */ | |
84 | ||
799afc8f | 85 | if (!sawcom) |
a13d1f28 | 86 | goto hitit; |
a13d1f28 KS |
87 | |
88 | /* | |
89 | * Just find the next good message after dot, no | |
90 | * wraparound. | |
91 | */ | |
92 | ||
93 | for (mp = dot+1; mp < &message[msgCount]; mp++) | |
94 | if ((mp->m_flag & (MDELETED|MSAVED)) == 0) | |
95 | break; | |
96 | if (mp >= &message[msgCount]) { | |
97 | printf("At EOF\n"); | |
98 | return(0); | |
99 | } | |
100 | dot = mp; | |
101 | hitit: | |
102 | /* | |
103 | * Print dot. | |
104 | */ | |
105 | ||
106 | list[0] = dot - &message[0] + 1; | |
107 | list[1] = NULL; | |
108 | return(type(list)); | |
109 | } | |
110 | ||
111 | /* | |
c7db23a4 KS |
112 | * Save a message in a file. Mark the message as saved |
113 | * so we can discard when the user quits. | |
a13d1f28 | 114 | */ |
a13d1f28 KS |
115 | save(str) |
116 | char str[]; | |
117 | { | |
c7db23a4 | 118 | |
2de8fc95 | 119 | return save1(str, 1, "save", saveignore); |
c7db23a4 KS |
120 | } |
121 | ||
122 | /* | |
123 | * Copy a message to a file without affected its saved-ness | |
124 | */ | |
125 | copycmd(str) | |
126 | char str[]; | |
127 | { | |
128 | ||
2de8fc95 | 129 | return save1(str, 0, "copy", saveignore); |
c7db23a4 KS |
130 | } |
131 | ||
132 | /* | |
133 | * Save/copy the indicated messages at the end of the passed file name. | |
134 | * If mark is true, mark the message "saved." | |
135 | */ | |
2de8fc95 | 136 | save1(str, mark, cmd, ignore) |
c7db23a4 | 137 | char str[]; |
2de8fc95 EW |
138 | char *cmd; |
139 | struct ignoretab *ignore; | |
c7db23a4 | 140 | { |
470c33f3 | 141 | register int *ip; |
a13d1f28 | 142 | register struct message *mp; |
2de8fc95 EW |
143 | char *file, *disp; |
144 | int f, *msgvec; | |
a13d1f28 | 145 | FILE *obuf; |
a13d1f28 KS |
146 | |
147 | msgvec = (int *) salloc((msgCount + 2) * sizeof *msgvec); | |
148 | if ((file = snarf(str, &f)) == NOSTR) | |
149 | return(1); | |
150 | if (!f) { | |
151 | *msgvec = first(0, MMNORM); | |
152 | if (*msgvec == NULL) { | |
c7db23a4 | 153 | printf("No messages to %s.\n", cmd); |
a13d1f28 KS |
154 | return(1); |
155 | } | |
156 | msgvec[1] = NULL; | |
157 | } | |
158 | if (f && getmsglist(str, msgvec, 0) < 0) | |
159 | return(1); | |
160 | if ((file = expand(file)) == NOSTR) | |
161 | return(1); | |
162 | printf("\"%s\" ", file); | |
80187484 | 163 | fflush(stdout); |
2de8fc95 | 164 | if (access(file, 0) >= 0) |
a13d1f28 KS |
165 | disp = "[Appended]"; |
166 | else | |
167 | disp = "[New file]"; | |
168 | if ((obuf = fopen(file, "a")) == NULL) { | |
169 | perror(NOSTR); | |
170 | return(1); | |
171 | } | |
a13d1f28 | 172 | for (ip = msgvec; *ip && ip-msgvec < msgCount; ip++) { |
470c33f3 EW |
173 | mp = &message[*ip - 1]; |
174 | touch(mp); | |
2de8fc95 | 175 | if (send(mp, obuf, ignore, NOSTR) < 0) { |
a13d1f28 KS |
176 | perror(file); |
177 | fclose(obuf); | |
178 | return(1); | |
179 | } | |
c7db23a4 KS |
180 | if (mark) |
181 | mp->m_flag |= MSAVED; | |
a13d1f28 KS |
182 | } |
183 | fflush(obuf); | |
184 | if (ferror(obuf)) | |
185 | perror(file); | |
186 | fclose(obuf); | |
2de8fc95 | 187 | printf("%s\n", disp); |
a13d1f28 KS |
188 | return(0); |
189 | } | |
190 | ||
191 | /* | |
192 | * Write the indicated messages at the end of the passed | |
193 | * file name, minus header and trailing blank line. | |
194 | */ | |
195 | ||
196 | swrite(str) | |
197 | char str[]; | |
198 | { | |
a13d1f28 | 199 | |
2de8fc95 | 200 | return save1(str, 1, "write", ignoreall); |
a13d1f28 KS |
201 | } |
202 | ||
203 | /* | |
204 | * Snarf the file from the end of the command line and | |
205 | * return a pointer to it. If there is no file attached, | |
206 | * just return NOSTR. Put a null in front of the file | |
207 | * name so that the message list processing won't see it, | |
208 | * unless the file name is the only thing on the line, in | |
209 | * which case, return 0 in the reference flag variable. | |
210 | */ | |
211 | ||
212 | char * | |
213 | snarf(linebuf, flag) | |
214 | char linebuf[]; | |
215 | int *flag; | |
216 | { | |
217 | register char *cp; | |
218 | ||
219 | *flag = 1; | |
220 | cp = strlen(linebuf) + linebuf - 1; | |
221 | ||
222 | /* | |
223 | * Strip away trailing blanks. | |
224 | */ | |
225 | ||
828615a1 | 226 | while (cp > linebuf && isspace(*cp)) |
a13d1f28 KS |
227 | cp--; |
228 | *++cp = 0; | |
229 | ||
230 | /* | |
231 | * Now search for the beginning of the file name. | |
232 | */ | |
233 | ||
828615a1 | 234 | while (cp > linebuf && !isspace(*cp)) |
a13d1f28 KS |
235 | cp--; |
236 | if (*cp == '\0') { | |
237 | printf("No file specified.\n"); | |
238 | return(NOSTR); | |
239 | } | |
828615a1 | 240 | if (isspace(*cp)) |
a13d1f28 KS |
241 | *cp++ = 0; |
242 | else | |
243 | *flag = 0; | |
244 | return(cp); | |
245 | } | |
246 | ||
247 | /* | |
248 | * Delete messages. | |
249 | */ | |
250 | ||
251 | delete(msgvec) | |
252 | int msgvec[]; | |
253 | { | |
254 | return(delm(msgvec)); | |
255 | } | |
256 | ||
257 | /* | |
258 | * Delete messages, then type the new dot. | |
259 | */ | |
260 | ||
261 | deltype(msgvec) | |
262 | int msgvec[]; | |
263 | { | |
264 | int list[2]; | |
12c002da | 265 | int lastdot; |
a13d1f28 | 266 | |
12c002da | 267 | lastdot = dot - &message[0] + 1; |
a13d1f28 | 268 | if (delm(msgvec) >= 0) { |
470c33f3 | 269 | list[0] = dot - &message[0] + 1; |
12c002da | 270 | if (list[0] > lastdot) { |
470c33f3 | 271 | touch(dot); |
12c002da KS |
272 | list[1] = NULL; |
273 | return(type(list)); | |
274 | } | |
275 | printf("At EOF\n"); | |
276 | return(0); | |
a13d1f28 KS |
277 | } |
278 | else { | |
279 | printf("No more messages\n"); | |
280 | return(0); | |
281 | } | |
282 | } | |
283 | ||
284 | /* | |
285 | * Delete the indicated messages. | |
286 | * Set dot to some nice place afterwards. | |
287 | * Internal interface. | |
288 | */ | |
289 | ||
290 | delm(msgvec) | |
291 | int *msgvec; | |
292 | { | |
293 | register struct message *mp; | |
470c33f3 | 294 | register *ip; |
a13d1f28 KS |
295 | int last; |
296 | ||
297 | last = NULL; | |
298 | for (ip = msgvec; *ip != NULL; ip++) { | |
470c33f3 EW |
299 | mp = &message[*ip - 1]; |
300 | touch(mp); | |
3c139aaf KS |
301 | mp->m_flag |= MDELETED|MTOUCH; |
302 | mp->m_flag &= ~(MPRESERVE|MSAVED|MBOX); | |
470c33f3 | 303 | last = *ip; |
a13d1f28 KS |
304 | } |
305 | if (last != NULL) { | |
306 | dot = &message[last-1]; | |
307 | last = first(0, MDELETED); | |
308 | if (last != NULL) { | |
309 | dot = &message[last-1]; | |
310 | return(0); | |
311 | } | |
312 | else { | |
313 | dot = &message[0]; | |
314 | return(-1); | |
315 | } | |
316 | } | |
317 | ||
318 | /* | |
319 | * Following can't happen -- it keeps lint happy | |
320 | */ | |
321 | ||
322 | return(-1); | |
323 | } | |
324 | ||
325 | /* | |
326 | * Undelete the indicated messages. | |
327 | */ | |
328 | ||
329 | undelete(msgvec) | |
330 | int *msgvec; | |
331 | { | |
332 | register struct message *mp; | |
470c33f3 EW |
333 | register *ip; |
334 | ||
335 | for (ip = msgvec; *ip && ip-msgvec < msgCount; ip++) { | |
336 | mp = &message[*ip - 1]; | |
337 | touch(mp); | |
a13d1f28 KS |
338 | dot = mp; |
339 | mp->m_flag &= ~MDELETED; | |
340 | } | |
341 | } | |
342 | ||
343 | /* | |
344 | * Interactively dump core on "core" | |
345 | */ | |
346 | ||
347 | core() | |
348 | { | |
322c8626 EW |
349 | int pid; |
350 | extern union wait wait_status; | |
a13d1f28 | 351 | |
322c8626 EW |
352 | switch (pid = vfork()) { |
353 | case -1: | |
a13d1f28 KS |
354 | perror("fork"); |
355 | return(1); | |
322c8626 | 356 | case 0: |
a13d1f28 KS |
357 | abort(); |
358 | _exit(1); | |
359 | } | |
360 | printf("Okie dokie"); | |
361 | fflush(stdout); | |
322c8626 EW |
362 | wait_child(pid); |
363 | if (wait_status.w_coredump) | |
364 | printf(" -- Core dumped.\n"); | |
a13d1f28 | 365 | else |
322c8626 | 366 | printf(" -- Can't dump core.\n"); |
828615a1 | 367 | return 0; |
a13d1f28 | 368 | } |
47e37b8b KS |
369 | |
370 | /* | |
371 | * Clobber as many bytes of stack as the user requests. | |
372 | */ | |
373 | clobber(argv) | |
374 | char **argv; | |
375 | { | |
376 | register int times; | |
377 | ||
378 | if (argv[0] == 0) | |
379 | times = 1; | |
380 | else | |
381 | times = (atoi(argv[0]) + 511) / 512; | |
ab61fde0 | 382 | clob1(times); |
47e37b8b KS |
383 | } |
384 | ||
385 | /* | |
386 | * Clobber the stack. | |
387 | */ | |
ab61fde0 | 388 | clob1(n) |
47e37b8b KS |
389 | { |
390 | char buf[512]; | |
391 | register char *cp; | |
392 | ||
393 | if (n <= 0) | |
394 | return; | |
395 | for (cp = buf; cp < &buf[512]; *cp++ = 0xFF) | |
396 | ; | |
ab61fde0 | 397 | clob1(n - 1); |
47e37b8b | 398 | } |
eed74ec1 | 399 | |
46053c99 S |
400 | /* |
401 | * Add the given header fields to the retained list. | |
402 | * If no arguments, print the current list of retained fields. | |
403 | */ | |
404 | retfield(list) | |
405 | char *list[]; | |
406 | { | |
46053c99 | 407 | |
887efe38 | 408 | return ignore1(list, ignore + 1, "retained"); |
46053c99 S |
409 | } |
410 | ||
411 | /* | |
887efe38 EW |
412 | * Add the given header fields to the ignored list. |
413 | * If no arguments, print the current list of ignored fields. | |
46053c99 | 414 | */ |
887efe38 EW |
415 | igfield(list) |
416 | char *list[]; | |
46053c99 | 417 | { |
46053c99 | 418 | |
887efe38 | 419 | return ignore1(list, ignore, "ignored"); |
46053c99 S |
420 | } |
421 | ||
887efe38 EW |
422 | saveretfield(list) |
423 | char *list[]; | |
424 | { | |
425 | ||
426 | return ignore1(list, saveignore + 1, "retained"); | |
427 | } | |
428 | ||
429 | saveigfield(list) | |
eed74ec1 KS |
430 | char *list[]; |
431 | { | |
887efe38 EW |
432 | |
433 | return ignore1(list, saveignore, "ignored"); | |
434 | } | |
435 | ||
436 | ignore1(list, tab, which) | |
437 | char *list[]; | |
438 | struct ignoretab *tab; | |
439 | char *which; | |
440 | { | |
eed74ec1 KS |
441 | char field[BUFSIZ]; |
442 | register int h; | |
443 | register struct ignore *igp; | |
444 | char **ap; | |
445 | ||
470c33f3 | 446 | if (*list == NOSTR) |
887efe38 | 447 | return igshow(tab, which); |
eed74ec1 KS |
448 | for (ap = list; *ap != 0; ap++) { |
449 | istrcpy(field, *ap); | |
887efe38 EW |
450 | if (member(field, tab)) |
451 | continue; | |
eed74ec1 KS |
452 | h = hash(field); |
453 | igp = (struct ignore *) calloc(1, sizeof (struct ignore)); | |
828615a1 EW |
454 | igp->i_field = calloc((unsigned) strlen(field) + 1, |
455 | sizeof (char)); | |
eed74ec1 | 456 | strcpy(igp->i_field, field); |
887efe38 EW |
457 | igp->i_link = tab->i_head[h]; |
458 | tab->i_head[h] = igp; | |
459 | tab->i_count++; | |
eed74ec1 | 460 | } |
887efe38 | 461 | return 0; |
eed74ec1 KS |
462 | } |
463 | ||
464 | /* | |
887efe38 | 465 | * Print out all currently retained fields. |
eed74ec1 | 466 | */ |
887efe38 EW |
467 | igshow(tab, which) |
468 | struct ignoretab *tab; | |
469 | char *which; | |
eed74ec1 | 470 | { |
887efe38 | 471 | register int h; |
eed74ec1 | 472 | struct ignore *igp; |
93be40ac KS |
473 | char **ap, **ring; |
474 | int igcomp(); | |
eed74ec1 | 475 | |
887efe38 EW |
476 | if (tab->i_count == 0) { |
477 | printf("No fields currently being %s.\n", which); | |
478 | return 0; | |
93be40ac | 479 | } |
887efe38 | 480 | ring = (char **) salloc((tab->i_count + 1) * sizeof (char *)); |
93be40ac KS |
481 | ap = ring; |
482 | for (h = 0; h < HSHSIZE; h++) | |
887efe38 | 483 | for (igp = tab->i_head[h]; igp != 0; igp = igp->i_link) |
93be40ac KS |
484 | *ap++ = igp->i_field; |
485 | *ap = 0; | |
887efe38 | 486 | qsort((char *) ring, tab->i_count, sizeof (char *), igcomp); |
93be40ac KS |
487 | for (ap = ring; *ap != 0; ap++) |
488 | printf("%s\n", *ap); | |
887efe38 | 489 | return 0; |
eed74ec1 | 490 | } |
93be40ac KS |
491 | |
492 | /* | |
493 | * Compare two names for sorting ignored field list. | |
494 | */ | |
495 | igcomp(l, r) | |
496 | char **l, **r; | |
497 | { | |
498 | ||
887efe38 | 499 | return strcmp(*l, *r); |
93be40ac | 500 | } |