Commit | Line | Data |
---|---|---|
2ae9f53f | 1 | #ifndef lint |
56d6aa4a | 2 | static char sccsid[] = "@(#)collect.c 2.18 (Berkeley) %G%"; |
2ae9f53f | 3 | #endif |
06300dd9 KS |
4 | |
5 | /* | |
6 | * Mail -- a mail program | |
7 | * | |
8 | * Collect input from standard input, handling | |
9 | * ~ escapes. | |
10 | */ | |
11 | ||
06300dd9 KS |
12 | #include "rcv.h" |
13 | #include <sys/stat.h> | |
14 | ||
15 | /* | |
16 | * Read a message from standard output and return a read file to it | |
17 | * or NULL on error. | |
18 | */ | |
19 | ||
20 | /* | |
21 | * The following hokiness with global variables is so that on | |
22 | * receipt of an interrupt signal, the partial message can be salted | |
23 | * away on dead.letter. The output file must be available to flush, | |
24 | * and the input to read. Several open files could be saved all through | |
25 | * Mail if stdio allowed simultaneous read/write access. | |
26 | */ | |
27 | ||
28 | static int (*savesig)(); /* Previous SIGINT value */ | |
7feecf47 | 29 | static int (*savehup)(); /* Previous SIGHUP value */ |
ea394d88 | 30 | # ifdef VMUNIX |
2d55c063 | 31 | static int (*savecont)(); /* Previous SIGCONT value */ |
ea394d88 | 32 | # endif VMUNIX |
06300dd9 KS |
33 | static FILE *newi; /* File for saving away */ |
34 | static FILE *newo; /* Output side of same */ | |
35 | static int hf; /* Ignore interrups */ | |
06300dd9 KS |
36 | static int hadintr; /* Have seen one SIGINT so far */ |
37 | ||
38 | static jmp_buf coljmp; /* To get back to work */ | |
39 | ||
40 | FILE * | |
41 | collect(hp) | |
42 | struct header *hp; | |
43 | { | |
44 | FILE *ibuf, *fbuf, *obuf; | |
0fa68535 | 45 | int lc, cc, escape, collrub(), intack(), collhup, collcont(), eof; |
06300dd9 KS |
46 | register int c, t; |
47 | char linebuf[LINESIZE], *cp; | |
48 | extern char tempMail[]; | |
97bff179 | 49 | int notify(); |
ea394d88 | 50 | extern collintsig(), collhupsig(); |
4e161d3b | 51 | char getsub; |
06300dd9 KS |
52 | |
53 | noreset++; | |
06300dd9 KS |
54 | ibuf = obuf = NULL; |
55 | if (value("ignore") != NOSTR) | |
56 | hf = 1; | |
57 | else | |
58 | hf = 0; | |
06300dd9 | 59 | hadintr = 0; |
ea394d88 | 60 | # ifdef VMUNIX |
7feecf47 | 61 | if ((savesig = sigset(SIGINT, SIG_IGN)) != SIG_IGN) |
56d6aa4a | 62 | sigset(SIGINT, hf ? intack : collrub), sigblock(sigmask(SIGINT)); |
7feecf47 | 63 | if ((savehup = sigset(SIGHUP, SIG_IGN)) != SIG_IGN) |
56d6aa4a | 64 | sigset(SIGHUP, collrub), sigblock(sigmask(SIGHUP)); |
2d55c063 | 65 | savecont = sigset(SIGCONT, collcont); |
ea394d88 KS |
66 | # else VMUNIX |
67 | savesig = signal(SIGINT, SIG_IGN); | |
68 | savehup = signal(SIGHUP, SIG_IGN); | |
69 | # endif VMUNIX | |
06300dd9 KS |
70 | newi = NULL; |
71 | newo = NULL; | |
72 | if ((obuf = fopen(tempMail, "w")) == NULL) { | |
73 | perror(tempMail); | |
74 | goto err; | |
75 | } | |
76 | newo = obuf; | |
77 | if ((ibuf = fopen(tempMail, "r")) == NULL) { | |
78 | perror(tempMail); | |
79 | newo = NULL; | |
80 | fclose(obuf); | |
81 | goto err; | |
82 | } | |
83 | newi = ibuf; | |
84 | remove(tempMail); | |
85 | ||
86 | /* | |
87 | * If we are going to prompt for a subject, | |
88 | * refrain from printing a newline after | |
89 | * the headers (since some people mind). | |
90 | */ | |
91 | ||
92 | t = GTO|GSUBJECT|GCC|GNL; | |
4e161d3b | 93 | getsub = 0; |
06300dd9 | 94 | if (intty && sflag == NOSTR && hp->h_subject == NOSTR && value("ask")) |
4e161d3b | 95 | t &= ~GNL, getsub++; |
06300dd9 KS |
96 | if (hp->h_seq != 0) { |
97 | puthead(hp, stdout, t); | |
98 | fflush(stdout); | |
99 | } | |
06300dd9 KS |
100 | escape = ESCAPE; |
101 | if ((cp = value("escape")) != NOSTR) | |
102 | escape = *cp; | |
0fa68535 | 103 | eof = 0; |
06300dd9 | 104 | for (;;) { |
56d6aa4a | 105 | int omask = sigblock(0) &~ (sigmask(SIGINT)|sigmask(SIGHUP)); |
4bc721c3 | 106 | |
06300dd9 | 107 | setjmp(coljmp); |
ea394d88 | 108 | # ifdef VMUNIX |
4bc721c3 | 109 | sigsetmask(omask); |
ea394d88 KS |
110 | # else VMUNIX |
111 | if (savesig != SIG_IGN) | |
112 | signal(SIGINT, hf ? intack : collintsig); | |
113 | if (savehup != SIG_IGN) | |
114 | signal(SIGHUP, collhupsig); | |
115 | # endif VMUNIX | |
80187484 | 116 | fflush(stdout); |
4e161d3b RC |
117 | if (getsub) { |
118 | grabh(hp, GSUBJECT); | |
119 | getsub = 0; | |
120 | continue; | |
121 | } | |
0fa68535 KS |
122 | if (readline(stdin, linebuf) <= 0) { |
123 | if (intty && value("ignoreeof") != NOSTR) { | |
124 | if (++eof > 35) | |
125 | break; | |
ef45c47a | 126 | printf("Use \".\" to terminate letter\n", |
0fa68535 KS |
127 | escape); |
128 | continue; | |
129 | } | |
06300dd9 | 130 | break; |
0fa68535 KS |
131 | } |
132 | eof = 0; | |
06300dd9 | 133 | hadintr = 0; |
b068a67e KS |
134 | if (intty && equal(".", linebuf) && |
135 | (value("dot") != NOSTR || value("ignoreeof") != NOSTR)) | |
06300dd9 | 136 | break; |
3dffb9c8 | 137 | if (linebuf[0] != escape || rflag != NOSTR) { |
06300dd9 KS |
138 | if ((t = putline(obuf, linebuf)) < 0) |
139 | goto err; | |
140 | continue; | |
141 | } | |
142 | c = linebuf[1]; | |
06300dd9 KS |
143 | switch (c) { |
144 | default: | |
145 | /* | |
146 | * On double escape, just send the single one. | |
147 | * Otherwise, it's an error. | |
148 | */ | |
149 | ||
150 | if (c == escape) { | |
151 | if (putline(obuf, &linebuf[1]) < 0) | |
152 | goto err; | |
153 | else | |
154 | break; | |
155 | } | |
156 | printf("Unknown tilde escape.\n"); | |
157 | break; | |
158 | ||
159 | case 'C': | |
160 | /* | |
161 | * Dump core. | |
162 | */ | |
163 | ||
164 | core(); | |
165 | break; | |
166 | ||
167 | case '!': | |
168 | /* | |
169 | * Shell escape, send the balance of the | |
170 | * line to sh -c. | |
171 | */ | |
172 | ||
173 | shell(&linebuf[2]); | |
174 | break; | |
175 | ||
176 | case ':': | |
177 | case '_': | |
178 | /* | |
179 | * Escape to command mode, but be nice! | |
180 | */ | |
181 | ||
343c874e | 182 | execute(&linebuf[2], 1); |
20a47dee | 183 | printf("(continue)\n"); |
06300dd9 KS |
184 | break; |
185 | ||
186 | case '.': | |
187 | /* | |
188 | * Simulate end of file on input. | |
189 | */ | |
ea394d88 | 190 | goto eofl; |
06300dd9 KS |
191 | |
192 | case 'q': | |
193 | case 'Q': | |
194 | /* | |
195 | * Force a quit of sending mail. | |
196 | * Act like an interrupt happened. | |
197 | */ | |
198 | ||
06300dd9 KS |
199 | hadintr++; |
200 | collrub(SIGINT); | |
201 | exit(1); | |
202 | ||
203 | case 'h': | |
204 | /* | |
205 | * Grab a bunch of headers. | |
206 | */ | |
207 | if (!intty || !outtty) { | |
208 | printf("~h: no can do!?\n"); | |
209 | break; | |
210 | } | |
211 | grabh(hp, GTO|GSUBJECT|GCC|GBCC); | |
212 | printf("(continue)\n"); | |
213 | break; | |
214 | ||
215 | case 't': | |
216 | /* | |
217 | * Add to the To list. | |
218 | */ | |
219 | ||
220 | hp->h_to = addto(hp->h_to, &linebuf[2]); | |
221 | hp->h_seq++; | |
222 | break; | |
223 | ||
224 | case 's': | |
225 | /* | |
226 | * Set the Subject list. | |
227 | */ | |
228 | ||
229 | cp = &linebuf[2]; | |
230 | while (any(*cp, " \t")) | |
231 | cp++; | |
232 | hp->h_subject = savestr(cp); | |
233 | hp->h_seq++; | |
234 | break; | |
235 | ||
236 | case 'c': | |
237 | /* | |
238 | * Add to the CC list. | |
239 | */ | |
240 | ||
241 | hp->h_cc = addto(hp->h_cc, &linebuf[2]); | |
242 | hp->h_seq++; | |
243 | break; | |
244 | ||
245 | case 'b': | |
246 | /* | |
247 | * Add stuff to blind carbon copies list. | |
248 | */ | |
249 | hp->h_bcc = addto(hp->h_bcc, &linebuf[2]); | |
250 | hp->h_seq++; | |
251 | break; | |
252 | ||
253 | case 'd': | |
254 | copy(deadletter, &linebuf[2]); | |
255 | /* fall into . . . */ | |
256 | ||
257 | case 'r': | |
258 | /* | |
259 | * Invoke a file: | |
260 | * Search for the file name, | |
261 | * then open it and copy the contents to obuf. | |
262 | */ | |
263 | ||
264 | cp = &linebuf[2]; | |
265 | while (any(*cp, " \t")) | |
266 | cp++; | |
267 | if (*cp == '\0') { | |
268 | printf("Interpolate what file?\n"); | |
269 | break; | |
270 | } | |
271 | cp = expand(cp); | |
272 | if (cp == NOSTR) | |
273 | break; | |
274 | if (isdir(cp)) { | |
275 | printf("%s: directory\n"); | |
276 | break; | |
277 | } | |
278 | if ((fbuf = fopen(cp, "r")) == NULL) { | |
279 | perror(cp); | |
280 | break; | |
281 | } | |
282 | printf("\"%s\" ", cp); | |
80187484 | 283 | fflush(stdout); |
06300dd9 KS |
284 | lc = 0; |
285 | cc = 0; | |
286 | while (readline(fbuf, linebuf) > 0) { | |
287 | lc++; | |
288 | if ((t = putline(obuf, linebuf)) < 0) { | |
289 | fclose(fbuf); | |
290 | goto err; | |
291 | } | |
292 | cc += t; | |
293 | } | |
294 | fclose(fbuf); | |
295 | printf("%d/%d\n", lc, cc); | |
296 | break; | |
297 | ||
298 | case 'w': | |
299 | /* | |
300 | * Write the message on a file. | |
301 | */ | |
302 | ||
303 | cp = &linebuf[2]; | |
304 | while (any(*cp, " \t")) | |
305 | cp++; | |
306 | if (*cp == '\0') { | |
307 | fprintf(stderr, "Write what file!?\n"); | |
308 | break; | |
309 | } | |
310 | if ((cp = expand(cp)) == NOSTR) | |
311 | break; | |
312 | fflush(obuf); | |
313 | rewind(ibuf); | |
314 | exwrite(cp, ibuf, 1); | |
315 | break; | |
316 | ||
317 | case 'm': | |
318 | case 'f': | |
319 | /* | |
320 | * Interpolate the named messages, if we | |
321 | * are in receiving mail mode. Does the | |
322 | * standard list processing garbage. | |
323 | * If ~f is given, we don't shift over. | |
324 | */ | |
325 | ||
326 | if (!rcvmode) { | |
327 | printf("No messages to send from!?!\n"); | |
328 | break; | |
329 | } | |
330 | cp = &linebuf[2]; | |
331 | while (any(*cp, " \t")) | |
332 | cp++; | |
333 | if (forward(cp, obuf, c) < 0) | |
334 | goto err; | |
335 | printf("(continue)\n"); | |
336 | break; | |
337 | ||
338 | case '?': | |
06300dd9 | 339 | if ((fbuf = fopen(THELPFILE, "r")) == NULL) { |
e5cd0021 | 340 | perror(THELPFILE); |
06300dd9 KS |
341 | break; |
342 | } | |
343 | t = getc(fbuf); | |
344 | while (t != -1) { | |
345 | putchar(t); | |
346 | t = getc(fbuf); | |
347 | } | |
348 | fclose(fbuf); | |
349 | break; | |
350 | ||
351 | case 'p': | |
352 | /* | |
353 | * Print out the current state of the | |
354 | * message without altering anything. | |
355 | */ | |
356 | ||
357 | fflush(obuf); | |
358 | rewind(ibuf); | |
06300dd9 KS |
359 | printf("-------\nMessage contains:\n"); |
360 | puthead(hp, stdout, GTO|GSUBJECT|GCC|GBCC|GNL); | |
361 | t = getc(ibuf); | |
362 | while (t != EOF) { | |
363 | putchar(t); | |
364 | t = getc(ibuf); | |
365 | } | |
366 | printf("(continue)\n"); | |
367 | break; | |
368 | ||
369 | case '^': | |
370 | case '|': | |
371 | /* | |
372 | * Pipe message through command. | |
373 | * Collect output as new message. | |
374 | */ | |
375 | ||
376 | obuf = mespipe(ibuf, obuf, &linebuf[2]); | |
377 | newo = obuf; | |
378 | ibuf = newi; | |
379 | newi = ibuf; | |
380 | printf("(continue)\n"); | |
381 | break; | |
382 | ||
383 | case 'v': | |
384 | case 'e': | |
385 | /* | |
386 | * Edit the current message. | |
387 | * 'e' means to use EDITOR | |
388 | * 'v' means to use VISUAL | |
389 | */ | |
390 | ||
391 | if ((obuf = mesedit(ibuf, obuf, c)) == NULL) | |
392 | goto err; | |
393 | newo = obuf; | |
394 | ibuf = newi; | |
395 | printf("(continue)\n"); | |
396 | break; | |
06300dd9 KS |
397 | } |
398 | } | |
ea394d88 | 399 | eofl: |
06300dd9 KS |
400 | fclose(obuf); |
401 | rewind(ibuf); | |
7feecf47 KS |
402 | sigset(SIGINT, savesig); |
403 | sigset(SIGHUP, savehup); | |
ea394d88 | 404 | # ifdef VMUNIX |
97bff179 | 405 | sigset(SIGCONT, savecont); |
4bc721c3 | 406 | sigsetmask(0); |
ea394d88 | 407 | # endif VMUNIX |
06300dd9 KS |
408 | noreset = 0; |
409 | return(ibuf); | |
410 | ||
411 | err: | |
412 | if (ibuf != NULL) | |
413 | fclose(ibuf); | |
414 | if (obuf != NULL) | |
415 | fclose(obuf); | |
7feecf47 KS |
416 | sigset(SIGINT, savesig); |
417 | sigset(SIGHUP, savehup); | |
ea394d88 | 418 | # ifdef VMUNIX |
2d55c063 | 419 | sigset(SIGCONT, savecont); |
4bc721c3 | 420 | sigsetmask(0); |
ea394d88 | 421 | # endif VMUNIX |
06300dd9 KS |
422 | noreset = 0; |
423 | return(NULL); | |
424 | } | |
425 | ||
426 | /* | |
427 | * Non destructively interrogate the value of the given signal. | |
428 | */ | |
429 | ||
430 | psig(n) | |
431 | { | |
432 | register (*wassig)(); | |
433 | ||
7feecf47 KS |
434 | wassig = sigset(n, SIG_IGN); |
435 | sigset(n, wassig); | |
06300dd9 KS |
436 | return((int) wassig); |
437 | } | |
438 | ||
439 | /* | |
440 | * Write a file, ex-like if f set. | |
441 | */ | |
442 | ||
443 | exwrite(name, ibuf, f) | |
444 | char name[]; | |
445 | FILE *ibuf; | |
446 | { | |
447 | register FILE *of; | |
448 | register int c; | |
449 | long cc; | |
450 | int lc; | |
451 | struct stat junk; | |
452 | ||
453 | if (f) { | |
454 | printf("\"%s\" ", name); | |
455 | fflush(stdout); | |
456 | } | |
6d1cdf8d | 457 | if (stat(name, &junk) >= 0 && (junk.st_mode & S_IFMT) == S_IFREG) { |
06300dd9 KS |
458 | if (!f) |
459 | fprintf(stderr, "%s: ", name); | |
460 | fprintf(stderr, "File exists\n", name); | |
461 | return(-1); | |
462 | } | |
463 | if ((of = fopen(name, "w")) == NULL) { | |
464 | perror(NOSTR); | |
465 | return(-1); | |
466 | } | |
467 | lc = 0; | |
468 | cc = 0; | |
469 | while ((c = getc(ibuf)) != EOF) { | |
470 | cc++; | |
471 | if (c == '\n') | |
472 | lc++; | |
473 | putc(c, of); | |
474 | if (ferror(of)) { | |
475 | perror(name); | |
476 | fclose(of); | |
477 | return(-1); | |
478 | } | |
479 | } | |
480 | fclose(of); | |
481 | printf("%d/%ld\n", lc, cc); | |
482 | fflush(stdout); | |
483 | return(0); | |
484 | } | |
485 | ||
486 | /* | |
487 | * Edit the message being collected on ibuf and obuf. | |
488 | * Write the message out onto some poorly-named temp file | |
489 | * and point an editor at it. | |
490 | * | |
491 | * On return, make the edit file the new temp file. | |
492 | */ | |
493 | ||
494 | FILE * | |
495 | mesedit(ibuf, obuf, c) | |
496 | FILE *ibuf, *obuf; | |
497 | { | |
498 | int pid, s; | |
499 | FILE *fbuf; | |
500 | register int t; | |
5deb0e1e | 501 | int (*sig)(), (*scont)(), signull(); |
06300dd9 KS |
502 | struct stat sbuf; |
503 | extern char tempMail[], tempEdit[]; | |
504 | register char *edit; | |
505 | ||
7feecf47 | 506 | sig = sigset(SIGINT, SIG_IGN); |
ea394d88 | 507 | # ifdef VMUNIX |
5deb0e1e | 508 | scont = sigset(SIGCONT, signull); |
ea394d88 | 509 | # endif VMUNIX |
06300dd9 KS |
510 | if (stat(tempEdit, &sbuf) >= 0) { |
511 | printf("%s: file exists\n", tempEdit); | |
512 | goto out; | |
513 | } | |
514 | close(creat(tempEdit, 0600)); | |
515 | if ((fbuf = fopen(tempEdit, "w")) == NULL) { | |
516 | perror(tempEdit); | |
517 | goto out; | |
518 | } | |
519 | fflush(obuf); | |
520 | rewind(ibuf); | |
521 | t = getc(ibuf); | |
522 | while (t != EOF) { | |
523 | putc(t, fbuf); | |
524 | t = getc(ibuf); | |
525 | } | |
526 | fflush(fbuf); | |
527 | if (ferror(fbuf)) { | |
528 | perror(tempEdit); | |
529 | remove(tempEdit); | |
530 | goto fix; | |
531 | } | |
532 | fclose(fbuf); | |
533 | if ((edit = value(c == 'e' ? "EDITOR" : "VISUAL")) == NOSTR) | |
534 | edit = c == 'e' ? EDITOR : VISUAL; | |
535 | pid = vfork(); | |
536 | if (pid == 0) { | |
5388d5b8 | 537 | sigchild(); |
06300dd9 | 538 | if (sig != SIG_IGN) |
7feecf47 | 539 | sigsys(SIGINT, SIG_DFL); |
06300dd9 KS |
540 | execl(edit, edit, tempEdit, 0); |
541 | perror(edit); | |
542 | _exit(1); | |
543 | } | |
544 | if (pid == -1) { | |
545 | perror("fork"); | |
546 | remove(tempEdit); | |
547 | goto out; | |
548 | } | |
549 | while (wait(&s) != pid) | |
550 | ; | |
5b0c1c37 | 551 | if ((s & 0377) != 0) { |
06300dd9 KS |
552 | printf("Fatal error in \"%s\"\n", edit); |
553 | remove(tempEdit); | |
554 | goto out; | |
555 | } | |
556 | ||
557 | /* | |
558 | * Now switch to new file. | |
559 | */ | |
560 | ||
561 | if ((fbuf = fopen(tempEdit, "a")) == NULL) { | |
562 | perror(tempEdit); | |
563 | remove(tempEdit); | |
564 | goto out; | |
565 | } | |
566 | if ((ibuf = fopen(tempEdit, "r")) == NULL) { | |
567 | perror(tempEdit); | |
568 | fclose(fbuf); | |
569 | remove(tempEdit); | |
570 | goto out; | |
571 | } | |
572 | remove(tempEdit); | |
573 | fclose(obuf); | |
574 | fclose(newi); | |
575 | obuf = fbuf; | |
576 | goto out; | |
577 | fix: | |
578 | perror(tempEdit); | |
579 | out: | |
ea394d88 | 580 | # ifdef VMUNIX |
97bff179 | 581 | sigset(SIGCONT, scont); |
ea394d88 | 582 | # endif VMUNIX |
7feecf47 | 583 | sigset(SIGINT, sig); |
06300dd9 KS |
584 | newi = ibuf; |
585 | return(obuf); | |
586 | } | |
587 | ||
588 | /* | |
589 | * Pipe the message through the command. | |
590 | * Old message is on stdin of command; | |
591 | * New message collected from stdout. | |
592 | * Sh -c must return 0 to accept the new message. | |
593 | */ | |
594 | ||
595 | FILE * | |
596 | mespipe(ibuf, obuf, cmd) | |
597 | FILE *ibuf, *obuf; | |
598 | char cmd[]; | |
599 | { | |
600 | register FILE *ni, *no; | |
601 | int pid, s; | |
602 | int (*savesig)(); | |
603 | char *Shell; | |
604 | ||
605 | newi = ibuf; | |
606 | if ((no = fopen(tempEdit, "w")) == NULL) { | |
607 | perror(tempEdit); | |
608 | return(obuf); | |
609 | } | |
610 | if ((ni = fopen(tempEdit, "r")) == NULL) { | |
611 | perror(tempEdit); | |
612 | fclose(no); | |
613 | remove(tempEdit); | |
614 | return(obuf); | |
615 | } | |
616 | remove(tempEdit); | |
7feecf47 | 617 | savesig = sigset(SIGINT, SIG_IGN); |
06300dd9 KS |
618 | fflush(obuf); |
619 | rewind(ibuf); | |
620 | if ((Shell = value("SHELL")) == NULL) | |
621 | Shell = "/bin/sh"; | |
622 | if ((pid = vfork()) == -1) { | |
623 | perror("fork"); | |
624 | goto err; | |
625 | } | |
626 | if (pid == 0) { | |
627 | /* | |
628 | * stdin = current message. | |
629 | * stdout = new message. | |
630 | */ | |
631 | ||
5388d5b8 | 632 | sigchild(); |
06300dd9 KS |
633 | close(0); |
634 | dup(fileno(ibuf)); | |
635 | close(1); | |
636 | dup(fileno(no)); | |
637 | for (s = 4; s < 15; s++) | |
638 | close(s); | |
639 | execl(Shell, Shell, "-c", cmd, 0); | |
640 | perror(Shell); | |
641 | _exit(1); | |
642 | } | |
643 | while (wait(&s) != pid) | |
644 | ; | |
645 | if (s != 0 || pid == -1) { | |
646 | fprintf(stderr, "\"%s\" failed!?\n", cmd); | |
647 | goto err; | |
648 | } | |
649 | if (fsize(ni) == 0) { | |
650 | fprintf(stderr, "No bytes from \"%s\" !?\n", cmd); | |
651 | goto err; | |
652 | } | |
653 | ||
654 | /* | |
655 | * Take new files. | |
656 | */ | |
657 | ||
658 | newi = ni; | |
659 | fclose(ibuf); | |
660 | fclose(obuf); | |
7feecf47 | 661 | sigset(SIGINT, savesig); |
06300dd9 KS |
662 | return(no); |
663 | ||
664 | err: | |
665 | fclose(no); | |
666 | fclose(ni); | |
7feecf47 | 667 | sigset(SIGINT, savesig); |
06300dd9 KS |
668 | return(obuf); |
669 | } | |
670 | ||
671 | /* | |
672 | * Interpolate the named messages into the current | |
673 | * message, preceding each line with a tab. | |
674 | * Return a count of the number of characters now in | |
675 | * the message, or -1 if an error is encountered writing | |
676 | * the message temporary. The flag argument is 'm' if we | |
677 | * should shift over and 'f' if not. | |
678 | */ | |
06300dd9 KS |
679 | forward(ms, obuf, f) |
680 | char ms[]; | |
681 | FILE *obuf; | |
682 | { | |
683 | register int *msgvec, *ip; | |
684 | extern char tempMail[]; | |
685 | ||
686 | msgvec = (int *) salloc((msgCount+1) * sizeof *msgvec); | |
687 | if (msgvec == (int *) NOSTR) | |
688 | return(0); | |
689 | if (getmsglist(ms, msgvec, 0) < 0) | |
690 | return(0); | |
691 | if (*msgvec == NULL) { | |
692 | *msgvec = first(0, MMNORM); | |
693 | if (*msgvec == NULL) { | |
694 | printf("No appropriate messages\n"); | |
695 | return(0); | |
696 | } | |
697 | msgvec[1] = NULL; | |
698 | } | |
699 | printf("Interpolating:"); | |
700 | for (ip = msgvec; *ip != NULL; ip++) { | |
701 | touch(*ip); | |
702 | printf(" %d", *ip); | |
703 | if (f == 'm') { | |
5deb0e1e | 704 | if (transmit(&message[*ip-1], obuf) < 0L) { |
06300dd9 KS |
705 | perror(tempMail); |
706 | return(-1); | |
707 | } | |
708 | } else | |
99f2cebd | 709 | if (send(&message[*ip-1], obuf, 0) < 0) { |
06300dd9 KS |
710 | perror(tempMail); |
711 | return(-1); | |
712 | } | |
713 | } | |
714 | printf("\n"); | |
715 | return(0); | |
716 | } | |
717 | ||
718 | /* | |
719 | * Send message described by the passed pointer to the | |
720 | * passed output buffer. Insert a tab in front of each | |
721 | * line. Return a count of the characters sent, or -1 | |
722 | * on error. | |
723 | */ | |
724 | ||
5deb0e1e | 725 | long |
06300dd9 KS |
726 | transmit(mailp, obuf) |
727 | struct message *mailp; | |
728 | FILE *obuf; | |
729 | { | |
730 | register struct message *mp; | |
5deb0e1e CS |
731 | register int ch; |
732 | long c, n; | |
733 | int bol; | |
06300dd9 KS |
734 | FILE *ibuf; |
735 | ||
736 | mp = mailp; | |
737 | ibuf = setinput(mp); | |
5deb0e1e | 738 | c = mp->m_size; |
06300dd9 KS |
739 | n = c; |
740 | bol = 1; | |
5deb0e1e | 741 | while (c-- > 0L) { |
06300dd9 KS |
742 | if (bol) { |
743 | bol = 0; | |
744 | putc('\t', obuf); | |
745 | n++; | |
746 | if (ferror(obuf)) { | |
747 | perror("/tmp"); | |
5deb0e1e | 748 | return(-1L); |
06300dd9 KS |
749 | } |
750 | } | |
751 | ch = getc(ibuf); | |
752 | if (ch == '\n') | |
753 | bol++; | |
754 | putc(ch, obuf); | |
755 | if (ferror(obuf)) { | |
756 | perror("/tmp"); | |
5deb0e1e | 757 | return(-1L); |
06300dd9 KS |
758 | } |
759 | } | |
760 | return(n); | |
761 | } | |
762 | ||
2d55c063 KS |
763 | /* |
764 | * Print (continue) when continued after ^Z. | |
765 | */ | |
766 | collcont(s) | |
767 | { | |
768 | ||
769 | printf("(continue)\n"); | |
770 | fflush(stdout); | |
771 | } | |
772 | ||
06300dd9 KS |
773 | /* |
774 | * On interrupt, go here to save the partial | |
7feecf47 | 775 | * message on ~/dead.letter. |
06300dd9 KS |
776 | * Then restore signals and execute the normal |
777 | * signal routine. We only come here if signals | |
778 | * were previously set anyway. | |
779 | */ | |
780 | ||
ea394d88 KS |
781 | # ifndef VMUNIX |
782 | collintsig() | |
783 | { | |
784 | signal(SIGINT, SIG_IGN); | |
785 | collrub(SIGINT); | |
786 | } | |
787 | ||
788 | collhupsig() | |
789 | { | |
790 | signal(SIGHUP, SIG_IGN); | |
791 | collrub(SIGHUP); | |
792 | } | |
793 | # endif VMUNIX | |
794 | ||
06300dd9 KS |
795 | collrub(s) |
796 | { | |
797 | register FILE *dbuf; | |
798 | register int c; | |
799 | ||
7feecf47 | 800 | if (s == SIGINT && hadintr == 0) { |
06300dd9 | 801 | hadintr++; |
80187484 RC |
802 | fflush(stdout); |
803 | fprintf(stderr, "\n(Interrupt -- one more to kill letter)\n"); | |
06300dd9 KS |
804 | longjmp(coljmp, 1); |
805 | } | |
806 | fclose(newo); | |
807 | rewind(newi); | |
7feecf47 | 808 | if (s == SIGINT && value("nosave") != NOSTR || fsize(newi) == 0) |
06300dd9 KS |
809 | goto done; |
810 | if ((dbuf = fopen(deadletter, "w")) == NULL) | |
811 | goto done; | |
812 | chmod(deadletter, 0600); | |
813 | while ((c = getc(newi)) != EOF) | |
814 | putc(c, dbuf); | |
815 | fclose(dbuf); | |
816 | ||
817 | done: | |
818 | fclose(newi); | |
7feecf47 KS |
819 | sigset(SIGINT, savesig); |
820 | sigset(SIGHUP, savehup); | |
ea394d88 | 821 | # ifdef VMUNIX |
2d55c063 | 822 | sigset(SIGCONT, savecont); |
ea394d88 | 823 | # endif VMUNIX |
7feecf47 KS |
824 | if (rcvmode) { |
825 | if (s == SIGHUP) | |
826 | hangup(SIGHUP); | |
827 | else | |
2d55c063 | 828 | stop(s); |
7feecf47 | 829 | } |
06300dd9 KS |
830 | else |
831 | exit(1); | |
832 | } | |
833 | ||
834 | /* | |
835 | * Acknowledge an interrupt signal from the tty by typing an @ | |
836 | */ | |
837 | ||
838 | intack(s) | |
839 | { | |
840 | ||
06300dd9 KS |
841 | puts("@"); |
842 | fflush(stdout); | |
843 | clearerr(stdin); | |
06300dd9 KS |
844 | } |
845 | ||
846 | /* | |
847 | * Add a string to the end of a header entry field. | |
848 | */ | |
849 | ||
850 | char * | |
851 | addto(hf, news) | |
852 | char hf[], news[]; | |
853 | { | |
854 | register char *cp, *cp2, *linebuf; | |
855 | ||
856 | if (hf == NOSTR) | |
857 | hf = ""; | |
858 | if (*news == '\0') | |
859 | return(hf); | |
860 | linebuf = salloc(strlen(hf) + strlen(news) + 2); | |
861 | for (cp = hf; any(*cp, " \t"); cp++) | |
862 | ; | |
863 | for (cp2 = linebuf; *cp;) | |
864 | *cp2++ = *cp++; | |
865 | *cp2++ = ' '; | |
866 | for (cp = news; any(*cp, " \t"); cp++) | |
867 | ; | |
868 | while (*cp != '\0') | |
869 | *cp2++ = *cp++; | |
870 | *cp2 = '\0'; | |
871 | return(linebuf); | |
872 | } |