Commit | Line | Data |
---|---|---|
761330fe | 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% |
761330fe DF |
6 | */ |
7 | ||
acfc7e9b | 8 | #ifndef lint |
a12ff486 | 9 | static char sccsid[] = "@(#)quit.c 8.1 (Berkeley) %G%"; |
acfc7e9b | 10 | #endif /* not lint */ |
865dca9a KS |
11 | |
12 | #include "rcv.h" | |
a0d23834 KB |
13 | #include <fcntl.h> |
14 | #include "extern.h" | |
865dca9a KS |
15 | |
16 | /* | |
17 | * Rcv -- receive mail rationally. | |
18 | * | |
19 | * Termination processing. | |
20 | */ | |
21 | ||
2ee3bce2 EW |
22 | /* |
23 | * The "quit" command. | |
24 | */ | |
a0d23834 | 25 | int |
2ee3bce2 EW |
26 | quitcmd() |
27 | { | |
28 | /* | |
29 | * If we are sourcing, then return 1 so execute() can handle it. | |
30 | * Otherwise, return -1 to abort command loop. | |
31 | */ | |
32 | if (sourcing) | |
33 | return 1; | |
34 | return -1; | |
35 | } | |
36 | ||
865dca9a KS |
37 | /* |
38 | * Save all of the undetermined messages at the top of "mbox" | |
39 | * Save all untouched messages back in the system mailbox. | |
40 | * Remove the system mailbox, if none saved there. | |
41 | */ | |
a0d23834 | 42 | void |
865dca9a KS |
43 | quit() |
44 | { | |
c2483c81 | 45 | int mcount, p, modify, autohold, anystat, holdbit, nohold; |
4e161d3b | 46 | FILE *ibuf, *obuf, *fbuf, *rbuf, *readstat, *abuf; |
865dca9a KS |
47 | register struct message *mp; |
48 | register int c; | |
49 | extern char tempQuit[], tempResid[]; | |
50 | struct stat minfo; | |
2a0f6531 | 51 | char *mbox; |
865dca9a | 52 | |
3ecebc0f KS |
53 | /* |
54 | * If we are read only, we can't do anything, | |
55 | * so just return quickly. | |
56 | */ | |
3ecebc0f KS |
57 | if (readonly) |
58 | return; | |
2ee3bce2 EW |
59 | /* |
60 | * If editing (not reading system mail box), then do the work | |
61 | * in edstop() | |
62 | */ | |
63 | if (edit) { | |
64 | edstop(); | |
65 | return; | |
66 | } | |
67 | ||
865dca9a KS |
68 | /* |
69 | * See if there any messages to save in mbox. If no, we | |
70 | * can save copying mbox to /tmp and back. | |
71 | * | |
72 | * Check also to see if any files need to be preserved. | |
73 | * Delete all untouched messages to keep them out of mbox. | |
74 | * If all the messages are to be preserved, just exit with | |
75 | * a message. | |
865dca9a KS |
76 | */ |
77 | ||
07b0d286 | 78 | fbuf = Fopen(mailname, "r"); |
4e161d3b RC |
79 | if (fbuf == NULL) |
80 | goto newmail; | |
81 | flock(fileno(fbuf), LOCK_EX); | |
865dca9a | 82 | rbuf = NULL; |
4e161d3b | 83 | if (fstat(fileno(fbuf), &minfo) >= 0 && minfo.st_size > mailsize) { |
865dca9a | 84 | printf("New mail has arrived.\n"); |
07b0d286 | 85 | rbuf = Fopen(tempResid, "w"); |
865dca9a KS |
86 | if (rbuf == NULL || fbuf == NULL) |
87 | goto newmail; | |
88 | #ifdef APPEND | |
a0d23834 | 89 | fseek(fbuf, (long)mailsize, 0); |
865dca9a | 90 | while ((c = getc(fbuf)) != EOF) |
2ee3bce2 | 91 | (void) putc(c, rbuf); |
865dca9a KS |
92 | #else |
93 | p = minfo.st_size - mailsize; | |
94 | while (p-- > 0) { | |
95 | c = getc(fbuf); | |
96 | if (c == EOF) | |
97 | goto newmail; | |
2ee3bce2 | 98 | (void) putc(c, rbuf); |
865dca9a KS |
99 | } |
100 | #endif | |
07b0d286 EW |
101 | Fclose(rbuf); |
102 | if ((rbuf = Fopen(tempResid, "r")) == NULL) | |
865dca9a | 103 | goto newmail; |
a7585c01 | 104 | rm(tempResid); |
865dca9a | 105 | } |
63e83a9b KS |
106 | |
107 | /* | |
108 | * Adjust the message flags in each message. | |
109 | */ | |
110 | ||
111 | anystat = 0; | |
252cba79 KS |
112 | autohold = value("hold") != NOSTR; |
113 | holdbit = autohold ? MPRESERVE : MBOX; | |
c2483c81 KS |
114 | nohold = MBOX|MSAVED|MDELETED|MPRESERVE; |
115 | if (value("keepsave") != NOSTR) | |
116 | nohold &= ~MSAVED; | |
865dca9a | 117 | for (mp = &message[0]; mp < &message[msgCount]; mp++) { |
63e83a9b KS |
118 | if (mp->m_flag & MNEW) { |
119 | mp->m_flag &= ~MNEW; | |
120 | mp->m_flag |= MSTATUS; | |
121 | } | |
122 | if (mp->m_flag & MSTATUS) | |
123 | anystat++; | |
865dca9a | 124 | if ((mp->m_flag & MTOUCH) == 0) |
252cba79 | 125 | mp->m_flag |= MPRESERVE; |
c2483c81 | 126 | if ((mp->m_flag & nohold) == 0) |
252cba79 | 127 | mp->m_flag |= holdbit; |
865dca9a KS |
128 | } |
129 | modify = 0; | |
f0d15113 | 130 | if (Tflag != NOSTR) { |
07b0d286 | 131 | if ((readstat = Fopen(Tflag, "w")) == NULL) |
f0d15113 KS |
132 | Tflag = NOSTR; |
133 | } | |
865dca9a | 134 | for (c = 0, p = 0, mp = &message[0]; mp < &message[msgCount]; mp++) { |
252cba79 | 135 | if (mp->m_flag & MBOX) |
865dca9a | 136 | c++; |
252cba79 | 137 | if (mp->m_flag & MPRESERVE) |
865dca9a KS |
138 | p++; |
139 | if (mp->m_flag & MODIFY) | |
140 | modify++; | |
f0d15113 | 141 | if (Tflag != NOSTR && (mp->m_flag & (MREAD|MDELETED)) != 0) { |
4d20fb09 EW |
142 | char *id; |
143 | ||
144 | if ((id = hfield("article-id", mp)) != NOSTR) | |
f0d15113 KS |
145 | fprintf(readstat, "%s\n", id); |
146 | } | |
865dca9a | 147 | } |
f0d15113 | 148 | if (Tflag != NOSTR) |
07b0d286 | 149 | Fclose(readstat); |
63e83a9b | 150 | if (p == msgCount && !modify && !anystat) { |
4d20fb09 EW |
151 | printf("Held %d message%s in %s\n", |
152 | p, p == 1 ? "" : "s", mailname); | |
07b0d286 | 153 | Fclose(fbuf); |
865dca9a KS |
154 | return; |
155 | } | |
156 | if (c == 0) { | |
157 | if (p != 0) { | |
158 | writeback(rbuf); | |
07b0d286 | 159 | Fclose(fbuf); |
865dca9a KS |
160 | return; |
161 | } | |
162 | goto cream; | |
163 | } | |
164 | ||
165 | /* | |
166 | * Create another temporary file and copy user's mbox file | |
167 | * darin. If there is no mbox, copy nothing. | |
168 | * If he has specified "append" don't copy his mailbox, | |
169 | * just copy saveable entries at the end. | |
170 | */ | |
171 | ||
2a0f6531 | 172 | mbox = expand("&"); |
865dca9a KS |
173 | mcount = c; |
174 | if (value("append") == NOSTR) { | |
07b0d286 | 175 | if ((obuf = Fopen(tempQuit, "w")) == NULL) { |
865dca9a | 176 | perror(tempQuit); |
07b0d286 | 177 | Fclose(fbuf); |
865dca9a KS |
178 | return; |
179 | } | |
07b0d286 | 180 | if ((ibuf = Fopen(tempQuit, "r")) == NULL) { |
865dca9a | 181 | perror(tempQuit); |
a7585c01 | 182 | rm(tempQuit); |
07b0d286 EW |
183 | Fclose(obuf); |
184 | Fclose(fbuf); | |
865dca9a KS |
185 | return; |
186 | } | |
a7585c01 | 187 | rm(tempQuit); |
07b0d286 | 188 | if ((abuf = Fopen(mbox, "r")) != NULL) { |
4e161d3b | 189 | while ((c = getc(abuf)) != EOF) |
2ee3bce2 | 190 | (void) putc(c, obuf); |
07b0d286 | 191 | Fclose(abuf); |
865dca9a KS |
192 | } |
193 | if (ferror(obuf)) { | |
194 | perror(tempQuit); | |
07b0d286 EW |
195 | Fclose(ibuf); |
196 | Fclose(obuf); | |
197 | Fclose(fbuf); | |
865dca9a KS |
198 | return; |
199 | } | |
07b0d286 | 200 | Fclose(obuf); |
865dca9a | 201 | close(creat(mbox, 0600)); |
07b0d286 | 202 | if ((obuf = Fopen(mbox, "r+")) == NULL) { |
865dca9a | 203 | perror(mbox); |
07b0d286 EW |
204 | Fclose(ibuf); |
205 | Fclose(fbuf); | |
865dca9a KS |
206 | return; |
207 | } | |
208 | } | |
8fd89bb1 | 209 | if (value("append") != NOSTR) { |
07b0d286 | 210 | if ((obuf = Fopen(mbox, "a")) == NULL) { |
865dca9a | 211 | perror(mbox); |
07b0d286 | 212 | Fclose(fbuf); |
865dca9a KS |
213 | return; |
214 | } | |
8fd89bb1 KM |
215 | fchmod(fileno(obuf), 0600); |
216 | } | |
865dca9a | 217 | for (mp = &message[0]; mp < &message[msgCount]; mp++) |
252cba79 | 218 | if (mp->m_flag & MBOX) |
2de8fc95 | 219 | if (send(mp, obuf, saveignore, NOSTR) < 0) { |
865dca9a | 220 | perror(mbox); |
07b0d286 EW |
221 | Fclose(ibuf); |
222 | Fclose(obuf); | |
223 | Fclose(fbuf); | |
865dca9a KS |
224 | return; |
225 | } | |
226 | ||
227 | /* | |
228 | * Copy the user's old mbox contents back | |
229 | * to the end of the stuff we just saved. | |
230 | * If we are appending, this is unnecessary. | |
231 | */ | |
232 | ||
233 | if (value("append") == NOSTR) { | |
234 | rewind(ibuf); | |
235 | c = getc(ibuf); | |
236 | while (c != EOF) { | |
2ee3bce2 | 237 | (void) putc(c, obuf); |
865dca9a KS |
238 | if (ferror(obuf)) |
239 | break; | |
240 | c = getc(ibuf); | |
241 | } | |
07b0d286 | 242 | Fclose(ibuf); |
865dca9a KS |
243 | fflush(obuf); |
244 | } | |
ed3b895e | 245 | trunc(obuf); |
865dca9a KS |
246 | if (ferror(obuf)) { |
247 | perror(mbox); | |
07b0d286 EW |
248 | Fclose(obuf); |
249 | Fclose(fbuf); | |
865dca9a KS |
250 | return; |
251 | } | |
07b0d286 | 252 | Fclose(obuf); |
865dca9a KS |
253 | if (mcount == 1) |
254 | printf("Saved 1 message in mbox\n"); | |
255 | else | |
256 | printf("Saved %d messages in mbox\n", mcount); | |
257 | ||
258 | /* | |
259 | * Now we are ready to copy back preserved files to | |
260 | * the system mailbox, if any were requested. | |
261 | */ | |
262 | ||
263 | if (p != 0) { | |
264 | writeback(rbuf); | |
07b0d286 | 265 | Fclose(fbuf); |
865dca9a KS |
266 | return; |
267 | } | |
268 | ||
269 | /* | |
270 | * Finally, remove his /usr/mail file. | |
271 | * If new mail has arrived, copy it back. | |
272 | */ | |
273 | ||
274 | cream: | |
275 | if (rbuf != NULL) { | |
07b0d286 | 276 | abuf = Fopen(mailname, "r+"); |
4e161d3b | 277 | if (abuf == NULL) |
865dca9a KS |
278 | goto newmail; |
279 | while ((c = getc(rbuf)) != EOF) | |
2ee3bce2 | 280 | (void) putc(c, abuf); |
07b0d286 | 281 | Fclose(rbuf); |
4e161d3b | 282 | trunc(abuf); |
07b0d286 | 283 | Fclose(abuf); |
865dca9a | 284 | alter(mailname); |
07b0d286 | 285 | Fclose(fbuf); |
865dca9a KS |
286 | return; |
287 | } | |
288 | demail(); | |
07b0d286 | 289 | Fclose(fbuf); |
865dca9a KS |
290 | return; |
291 | ||
292 | newmail: | |
293 | printf("Thou hast new mail.\n"); | |
cb674576 | 294 | if (fbuf != NULL) |
07b0d286 | 295 | Fclose(fbuf); |
865dca9a KS |
296 | } |
297 | ||
298 | /* | |
299 | * Preserve all the appropriate messages back in the system | |
300 | * mailbox, and print a nice message indicated how many were | |
301 | * saved. On any error, just return -1. Else return 0. | |
302 | * Incorporate the any new mail that we found. | |
303 | */ | |
a0d23834 | 304 | int |
865dca9a KS |
305 | writeback(res) |
306 | register FILE *res; | |
307 | { | |
308 | register struct message *mp; | |
309 | register int p, c; | |
310 | FILE *obuf; | |
311 | ||
312 | p = 0; | |
07b0d286 | 313 | if ((obuf = Fopen(mailname, "r+")) == NULL) { |
865dca9a KS |
314 | perror(mailname); |
315 | return(-1); | |
316 | } | |
317 | #ifndef APPEND | |
318 | if (res != NULL) | |
319 | while ((c = getc(res)) != EOF) | |
2ee3bce2 | 320 | (void) putc(c, obuf); |
865dca9a KS |
321 | #endif |
322 | for (mp = &message[0]; mp < &message[msgCount]; mp++) | |
323 | if ((mp->m_flag&MPRESERVE)||(mp->m_flag&MTOUCH)==0) { | |
324 | p++; | |
2de8fc95 | 325 | if (send(mp, obuf, (struct ignoretab *)0, NOSTR) < 0) { |
865dca9a | 326 | perror(mailname); |
07b0d286 | 327 | Fclose(obuf); |
865dca9a KS |
328 | return(-1); |
329 | } | |
330 | } | |
331 | #ifdef APPEND | |
332 | if (res != NULL) | |
333 | while ((c = getc(res)) != EOF) | |
2ee3bce2 | 334 | (void) putc(c, obuf); |
865dca9a KS |
335 | #endif |
336 | fflush(obuf); | |
ed3b895e | 337 | trunc(obuf); |
865dca9a KS |
338 | if (ferror(obuf)) { |
339 | perror(mailname); | |
07b0d286 | 340 | Fclose(obuf); |
865dca9a KS |
341 | return(-1); |
342 | } | |
343 | if (res != NULL) | |
07b0d286 EW |
344 | Fclose(res); |
345 | Fclose(obuf); | |
865dca9a KS |
346 | alter(mailname); |
347 | if (p == 1) | |
348 | printf("Held 1 message in %s\n", mailname); | |
349 | else | |
350 | printf("Held %d messages in %s\n", p, mailname); | |
351 | return(0); | |
352 | } | |
2ee3bce2 EW |
353 | |
354 | /* | |
355 | * Terminate an editing session by attempting to write out the user's | |
356 | * file from the temporary. Save any new stuff appended to the file. | |
357 | */ | |
a0d23834 | 358 | void |
2ee3bce2 EW |
359 | edstop() |
360 | { | |
f629a181 | 361 | extern char *tmpdir; |
2ee3bce2 EW |
362 | register int gotcha, c; |
363 | register struct message *mp; | |
364 | FILE *obuf, *ibuf, *readstat; | |
365 | struct stat statb; | |
366 | char tempname[30]; | |
367 | char *mktemp(); | |
368 | ||
369 | if (readonly) | |
370 | return; | |
371 | holdsigs(); | |
372 | if (Tflag != NOSTR) { | |
07b0d286 | 373 | if ((readstat = Fopen(Tflag, "w")) == NULL) |
2ee3bce2 EW |
374 | Tflag = NOSTR; |
375 | } | |
376 | for (mp = &message[0], gotcha = 0; mp < &message[msgCount]; mp++) { | |
377 | if (mp->m_flag & MNEW) { | |
378 | mp->m_flag &= ~MNEW; | |
379 | mp->m_flag |= MSTATUS; | |
380 | } | |
381 | if (mp->m_flag & (MODIFY|MDELETED|MSTATUS)) | |
382 | gotcha++; | |
383 | if (Tflag != NOSTR && (mp->m_flag & (MREAD|MDELETED)) != 0) { | |
384 | char *id; | |
385 | ||
386 | if ((id = hfield("article-id", mp)) != NOSTR) | |
387 | fprintf(readstat, "%s\n", id); | |
388 | } | |
389 | } | |
390 | if (Tflag != NOSTR) | |
07b0d286 | 391 | Fclose(readstat); |
2ee3bce2 EW |
392 | if (!gotcha || Tflag != NOSTR) |
393 | goto done; | |
394 | ibuf = NULL; | |
395 | if (stat(mailname, &statb) >= 0 && statb.st_size > mailsize) { | |
f629a181 | 396 | strcpy(tempname, tmpdir); |
cc28d847 | 397 | strcat(tempname, "mboxXXXXXX"); |
2ee3bce2 | 398 | mktemp(tempname); |
07b0d286 | 399 | if ((obuf = Fopen(tempname, "w")) == NULL) { |
2ee3bce2 EW |
400 | perror(tempname); |
401 | relsesigs(); | |
402 | reset(0); | |
403 | } | |
07b0d286 | 404 | if ((ibuf = Fopen(mailname, "r")) == NULL) { |
2ee3bce2 | 405 | perror(mailname); |
07b0d286 | 406 | Fclose(obuf); |
a7585c01 | 407 | rm(tempname); |
2ee3bce2 EW |
408 | relsesigs(); |
409 | reset(0); | |
410 | } | |
a0d23834 | 411 | fseek(ibuf, (long)mailsize, 0); |
2ee3bce2 EW |
412 | while ((c = getc(ibuf)) != EOF) |
413 | (void) putc(c, obuf); | |
07b0d286 EW |
414 | Fclose(ibuf); |
415 | Fclose(obuf); | |
416 | if ((ibuf = Fopen(tempname, "r")) == NULL) { | |
2ee3bce2 | 417 | perror(tempname); |
a7585c01 | 418 | rm(tempname); |
2ee3bce2 EW |
419 | relsesigs(); |
420 | reset(0); | |
421 | } | |
a7585c01 | 422 | rm(tempname); |
2ee3bce2 EW |
423 | } |
424 | printf("\"%s\" ", mailname); | |
425 | fflush(stdout); | |
07b0d286 | 426 | if ((obuf = Fopen(mailname, "r+")) == NULL) { |
2ee3bce2 EW |
427 | perror(mailname); |
428 | relsesigs(); | |
429 | reset(0); | |
430 | } | |
431 | trunc(obuf); | |
432 | c = 0; | |
433 | for (mp = &message[0]; mp < &message[msgCount]; mp++) { | |
434 | if ((mp->m_flag & MDELETED) != 0) | |
435 | continue; | |
436 | c++; | |
437 | if (send(mp, obuf, (struct ignoretab *) NULL, NOSTR) < 0) { | |
438 | perror(mailname); | |
439 | relsesigs(); | |
440 | reset(0); | |
441 | } | |
442 | } | |
443 | gotcha = (c == 0 && ibuf == NULL); | |
444 | if (ibuf != NULL) { | |
445 | while ((c = getc(ibuf)) != EOF) | |
446 | (void) putc(c, obuf); | |
07b0d286 | 447 | Fclose(ibuf); |
2ee3bce2 EW |
448 | } |
449 | fflush(obuf); | |
450 | if (ferror(obuf)) { | |
451 | perror(mailname); | |
452 | relsesigs(); | |
453 | reset(0); | |
454 | } | |
07b0d286 | 455 | Fclose(obuf); |
2ee3bce2 | 456 | if (gotcha) { |
a7585c01 | 457 | rm(mailname); |
2ee3bce2 EW |
458 | printf("removed\n"); |
459 | } else | |
460 | printf("complete\n"); | |
461 | fflush(stdout); | |
462 | ||
463 | done: | |
464 | relsesigs(); | |
465 | } |