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 |
322c8626 | 19 | static char sccsid[] = "@(#)cmd2.c 5.9 (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 | { |
a13d1f28 KS |
141 | register int *ip, mesg; |
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 KS |
172 | for (ip = msgvec; *ip && ip-msgvec < msgCount; ip++) { |
173 | mesg = *ip; | |
174 | touch(mesg); | |
175 | mp = &message[mesg-1]; | |
2de8fc95 | 176 | if (send(mp, obuf, ignore, NOSTR) < 0) { |
a13d1f28 KS |
177 | perror(file); |
178 | fclose(obuf); | |
179 | return(1); | |
180 | } | |
c7db23a4 KS |
181 | if (mark) |
182 | mp->m_flag |= MSAVED; | |
a13d1f28 KS |
183 | } |
184 | fflush(obuf); | |
185 | if (ferror(obuf)) | |
186 | perror(file); | |
187 | fclose(obuf); | |
2de8fc95 | 188 | printf("%s\n", disp); |
a13d1f28 KS |
189 | return(0); |
190 | } | |
191 | ||
192 | /* | |
193 | * Write the indicated messages at the end of the passed | |
194 | * file name, minus header and trailing blank line. | |
195 | */ | |
196 | ||
197 | swrite(str) | |
198 | char str[]; | |
199 | { | |
a13d1f28 | 200 | |
2de8fc95 | 201 | return save1(str, 1, "write", ignoreall); |
a13d1f28 KS |
202 | } |
203 | ||
204 | /* | |
205 | * Snarf the file from the end of the command line and | |
206 | * return a pointer to it. If there is no file attached, | |
207 | * just return NOSTR. Put a null in front of the file | |
208 | * name so that the message list processing won't see it, | |
209 | * unless the file name is the only thing on the line, in | |
210 | * which case, return 0 in the reference flag variable. | |
211 | */ | |
212 | ||
213 | char * | |
214 | snarf(linebuf, flag) | |
215 | char linebuf[]; | |
216 | int *flag; | |
217 | { | |
218 | register char *cp; | |
219 | ||
220 | *flag = 1; | |
221 | cp = strlen(linebuf) + linebuf - 1; | |
222 | ||
223 | /* | |
224 | * Strip away trailing blanks. | |
225 | */ | |
226 | ||
828615a1 | 227 | while (cp > linebuf && isspace(*cp)) |
a13d1f28 KS |
228 | cp--; |
229 | *++cp = 0; | |
230 | ||
231 | /* | |
232 | * Now search for the beginning of the file name. | |
233 | */ | |
234 | ||
828615a1 | 235 | while (cp > linebuf && !isspace(*cp)) |
a13d1f28 KS |
236 | cp--; |
237 | if (*cp == '\0') { | |
238 | printf("No file specified.\n"); | |
239 | return(NOSTR); | |
240 | } | |
828615a1 | 241 | if (isspace(*cp)) |
a13d1f28 KS |
242 | *cp++ = 0; |
243 | else | |
244 | *flag = 0; | |
245 | return(cp); | |
246 | } | |
247 | ||
248 | /* | |
249 | * Delete messages. | |
250 | */ | |
251 | ||
252 | delete(msgvec) | |
253 | int msgvec[]; | |
254 | { | |
255 | return(delm(msgvec)); | |
256 | } | |
257 | ||
258 | /* | |
259 | * Delete messages, then type the new dot. | |
260 | */ | |
261 | ||
262 | deltype(msgvec) | |
263 | int msgvec[]; | |
264 | { | |
265 | int list[2]; | |
12c002da | 266 | int lastdot; |
a13d1f28 | 267 | |
12c002da | 268 | lastdot = dot - &message[0] + 1; |
a13d1f28 KS |
269 | if (delm(msgvec) >= 0) { |
270 | list[0] = dot - &message[0]; | |
271 | list[0]++; | |
12c002da KS |
272 | if (list[0] > lastdot) { |
273 | touch(list[0]); | |
274 | list[1] = NULL; | |
275 | return(type(list)); | |
276 | } | |
277 | printf("At EOF\n"); | |
278 | return(0); | |
a13d1f28 KS |
279 | } |
280 | else { | |
281 | printf("No more messages\n"); | |
282 | return(0); | |
283 | } | |
284 | } | |
285 | ||
286 | /* | |
287 | * Delete the indicated messages. | |
288 | * Set dot to some nice place afterwards. | |
289 | * Internal interface. | |
290 | */ | |
291 | ||
292 | delm(msgvec) | |
293 | int *msgvec; | |
294 | { | |
295 | register struct message *mp; | |
296 | register *ip, mesg; | |
297 | int last; | |
298 | ||
299 | last = NULL; | |
300 | for (ip = msgvec; *ip != NULL; ip++) { | |
301 | mesg = *ip; | |
302 | touch(mesg); | |
303 | mp = &message[mesg-1]; | |
3c139aaf KS |
304 | mp->m_flag |= MDELETED|MTOUCH; |
305 | mp->m_flag &= ~(MPRESERVE|MSAVED|MBOX); | |
a13d1f28 KS |
306 | last = mesg; |
307 | } | |
308 | if (last != NULL) { | |
309 | dot = &message[last-1]; | |
310 | last = first(0, MDELETED); | |
311 | if (last != NULL) { | |
312 | dot = &message[last-1]; | |
313 | return(0); | |
314 | } | |
315 | else { | |
316 | dot = &message[0]; | |
317 | return(-1); | |
318 | } | |
319 | } | |
320 | ||
321 | /* | |
322 | * Following can't happen -- it keeps lint happy | |
323 | */ | |
324 | ||
325 | return(-1); | |
326 | } | |
327 | ||
328 | /* | |
329 | * Undelete the indicated messages. | |
330 | */ | |
331 | ||
332 | undelete(msgvec) | |
333 | int *msgvec; | |
334 | { | |
335 | register struct message *mp; | |
336 | register *ip, mesg; | |
337 | ||
338 | for (ip = msgvec; ip-msgvec < msgCount; ip++) { | |
339 | mesg = *ip; | |
340 | if (mesg == 0) | |
341 | return; | |
342 | touch(mesg); | |
343 | mp = &message[mesg-1]; | |
344 | dot = mp; | |
345 | mp->m_flag &= ~MDELETED; | |
346 | } | |
347 | } | |
348 | ||
349 | /* | |
350 | * Interactively dump core on "core" | |
351 | */ | |
352 | ||
353 | core() | |
354 | { | |
322c8626 EW |
355 | int pid; |
356 | extern union wait wait_status; | |
a13d1f28 | 357 | |
322c8626 EW |
358 | switch (pid = vfork()) { |
359 | case -1: | |
a13d1f28 KS |
360 | perror("fork"); |
361 | return(1); | |
322c8626 | 362 | case 0: |
a13d1f28 KS |
363 | abort(); |
364 | _exit(1); | |
365 | } | |
366 | printf("Okie dokie"); | |
367 | fflush(stdout); | |
322c8626 EW |
368 | wait_child(pid); |
369 | if (wait_status.w_coredump) | |
370 | printf(" -- Core dumped.\n"); | |
a13d1f28 | 371 | else |
322c8626 | 372 | printf(" -- Can't dump core.\n"); |
828615a1 | 373 | return 0; |
a13d1f28 | 374 | } |
47e37b8b KS |
375 | |
376 | /* | |
377 | * Clobber as many bytes of stack as the user requests. | |
378 | */ | |
379 | clobber(argv) | |
380 | char **argv; | |
381 | { | |
382 | register int times; | |
383 | ||
384 | if (argv[0] == 0) | |
385 | times = 1; | |
386 | else | |
387 | times = (atoi(argv[0]) + 511) / 512; | |
ab61fde0 | 388 | clob1(times); |
47e37b8b KS |
389 | } |
390 | ||
391 | /* | |
392 | * Clobber the stack. | |
393 | */ | |
ab61fde0 | 394 | clob1(n) |
47e37b8b KS |
395 | { |
396 | char buf[512]; | |
397 | register char *cp; | |
398 | ||
399 | if (n <= 0) | |
400 | return; | |
401 | for (cp = buf; cp < &buf[512]; *cp++ = 0xFF) | |
402 | ; | |
ab61fde0 | 403 | clob1(n - 1); |
47e37b8b | 404 | } |
eed74ec1 | 405 | |
46053c99 S |
406 | /* |
407 | * Add the given header fields to the retained list. | |
408 | * If no arguments, print the current list of retained fields. | |
409 | */ | |
410 | retfield(list) | |
411 | char *list[]; | |
412 | { | |
46053c99 | 413 | |
887efe38 | 414 | return ignore1(list, ignore + 1, "retained"); |
46053c99 S |
415 | } |
416 | ||
417 | /* | |
887efe38 EW |
418 | * Add the given header fields to the ignored list. |
419 | * If no arguments, print the current list of ignored fields. | |
46053c99 | 420 | */ |
887efe38 EW |
421 | igfield(list) |
422 | char *list[]; | |
46053c99 | 423 | { |
46053c99 | 424 | |
887efe38 | 425 | return ignore1(list, ignore, "ignored"); |
46053c99 S |
426 | } |
427 | ||
887efe38 EW |
428 | saveretfield(list) |
429 | char *list[]; | |
430 | { | |
431 | ||
432 | return ignore1(list, saveignore + 1, "retained"); | |
433 | } | |
434 | ||
435 | saveigfield(list) | |
eed74ec1 KS |
436 | char *list[]; |
437 | { | |
887efe38 EW |
438 | |
439 | return ignore1(list, saveignore, "ignored"); | |
440 | } | |
441 | ||
442 | ignore1(list, tab, which) | |
443 | char *list[]; | |
444 | struct ignoretab *tab; | |
445 | char *which; | |
446 | { | |
eed74ec1 KS |
447 | char field[BUFSIZ]; |
448 | register int h; | |
449 | register struct ignore *igp; | |
450 | char **ap; | |
451 | ||
452 | if (argcount(list) == 0) | |
887efe38 | 453 | return igshow(tab, which); |
eed74ec1 KS |
454 | for (ap = list; *ap != 0; ap++) { |
455 | istrcpy(field, *ap); | |
887efe38 EW |
456 | if (member(field, tab)) |
457 | continue; | |
eed74ec1 KS |
458 | h = hash(field); |
459 | igp = (struct ignore *) calloc(1, sizeof (struct ignore)); | |
828615a1 EW |
460 | igp->i_field = calloc((unsigned) strlen(field) + 1, |
461 | sizeof (char)); | |
eed74ec1 | 462 | strcpy(igp->i_field, field); |
887efe38 EW |
463 | igp->i_link = tab->i_head[h]; |
464 | tab->i_head[h] = igp; | |
465 | tab->i_count++; | |
eed74ec1 | 466 | } |
887efe38 | 467 | return 0; |
eed74ec1 KS |
468 | } |
469 | ||
470 | /* | |
887efe38 | 471 | * Print out all currently retained fields. |
eed74ec1 | 472 | */ |
887efe38 EW |
473 | igshow(tab, which) |
474 | struct ignoretab *tab; | |
475 | char *which; | |
eed74ec1 | 476 | { |
887efe38 | 477 | register int h; |
eed74ec1 | 478 | struct ignore *igp; |
93be40ac KS |
479 | char **ap, **ring; |
480 | int igcomp(); | |
eed74ec1 | 481 | |
887efe38 EW |
482 | if (tab->i_count == 0) { |
483 | printf("No fields currently being %s.\n", which); | |
484 | return 0; | |
93be40ac | 485 | } |
887efe38 | 486 | ring = (char **) salloc((tab->i_count + 1) * sizeof (char *)); |
93be40ac KS |
487 | ap = ring; |
488 | for (h = 0; h < HSHSIZE; h++) | |
887efe38 | 489 | for (igp = tab->i_head[h]; igp != 0; igp = igp->i_link) |
93be40ac KS |
490 | *ap++ = igp->i_field; |
491 | *ap = 0; | |
887efe38 | 492 | qsort((char *) ring, tab->i_count, sizeof (char *), igcomp); |
93be40ac KS |
493 | for (ap = ring; *ap != 0; ap++) |
494 | printf("%s\n", *ap); | |
887efe38 | 495 | return 0; |
eed74ec1 | 496 | } |
93be40ac KS |
497 | |
498 | /* | |
499 | * Compare two names for sorting ignored field list. | |
500 | */ | |
501 | igcomp(l, r) | |
502 | char **l, **r; | |
503 | { | |
504 | ||
887efe38 | 505 | return strcmp(*l, *r); |
93be40ac | 506 | } |