Commit | Line | Data |
---|---|---|
2ae9f53f SL |
1 | #ifndef lint |
2 | static char sccsid[] = "@(#)collect.c 2.15 (Berkeley) %G%"; | |
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(); |
06300dd9 KS |
51 | |
52 | noreset++; | |
06300dd9 KS |
53 | ibuf = obuf = NULL; |
54 | if (value("ignore") != NOSTR) | |
55 | hf = 1; | |
56 | else | |
57 | hf = 0; | |
06300dd9 | 58 | hadintr = 0; |
ea394d88 | 59 | # ifdef VMUNIX |
7feecf47 | 60 | if ((savesig = sigset(SIGINT, SIG_IGN)) != SIG_IGN) |
4bc721c3 | 61 | sigset(SIGINT, hf ? intack : collrub), sigblock(mask(SIGINT)); |
7feecf47 | 62 | if ((savehup = sigset(SIGHUP, SIG_IGN)) != SIG_IGN) |
4bc721c3 | 63 | sigset(SIGHUP, collrub), sigblock(mask(SIGHUP)); |
2d55c063 | 64 | savecont = sigset(SIGCONT, collcont); |
ea394d88 KS |
65 | # else VMUNIX |
66 | savesig = signal(SIGINT, SIG_IGN); | |
67 | savehup = signal(SIGHUP, SIG_IGN); | |
68 | # endif VMUNIX | |
06300dd9 KS |
69 | newi = NULL; |
70 | newo = NULL; | |
71 | if ((obuf = fopen(tempMail, "w")) == NULL) { | |
72 | perror(tempMail); | |
73 | goto err; | |
74 | } | |
75 | newo = obuf; | |
76 | if ((ibuf = fopen(tempMail, "r")) == NULL) { | |
77 | perror(tempMail); | |
78 | newo = NULL; | |
79 | fclose(obuf); | |
80 | goto err; | |
81 | } | |
82 | newi = ibuf; | |
83 | remove(tempMail); | |
84 | ||
85 | /* | |
86 | * If we are going to prompt for a subject, | |
87 | * refrain from printing a newline after | |
88 | * the headers (since some people mind). | |
89 | */ | |
90 | ||
91 | t = GTO|GSUBJECT|GCC|GNL; | |
92 | c = 0; | |
93 | if (intty && sflag == NOSTR && hp->h_subject == NOSTR && value("ask")) | |
94 | t &= ~GNL, c++; | |
95 | if (hp->h_seq != 0) { | |
96 | puthead(hp, stdout, t); | |
97 | fflush(stdout); | |
98 | } | |
99 | if (c) | |
100 | grabh(hp, GSUBJECT); | |
101 | escape = ESCAPE; | |
102 | if ((cp = value("escape")) != NOSTR) | |
103 | escape = *cp; | |
0fa68535 | 104 | eof = 0; |
06300dd9 | 105 | for (;;) { |
4bc721c3 SL |
106 | int omask = sigblock(0) &~ (mask(SIGINT)|mask(SIGHUP)); |
107 | ||
06300dd9 | 108 | setjmp(coljmp); |
ea394d88 | 109 | # ifdef VMUNIX |
4bc721c3 | 110 | sigsetmask(omask); |
ea394d88 KS |
111 | # else VMUNIX |
112 | if (savesig != SIG_IGN) | |
113 | signal(SIGINT, hf ? intack : collintsig); | |
114 | if (savehup != SIG_IGN) | |
115 | signal(SIGHUP, collhupsig); | |
116 | # endif VMUNIX | |
06300dd9 | 117 | flush(); |
0fa68535 KS |
118 | if (readline(stdin, linebuf) <= 0) { |
119 | if (intty && value("ignoreeof") != NOSTR) { | |
120 | if (++eof > 35) | |
121 | break; | |
ef45c47a | 122 | printf("Use \".\" to terminate letter\n", |
0fa68535 KS |
123 | escape); |
124 | continue; | |
125 | } | |
06300dd9 | 126 | break; |
0fa68535 KS |
127 | } |
128 | eof = 0; | |
06300dd9 | 129 | hadintr = 0; |
b068a67e KS |
130 | if (intty && equal(".", linebuf) && |
131 | (value("dot") != NOSTR || value("ignoreeof") != NOSTR)) | |
06300dd9 | 132 | break; |
3dffb9c8 | 133 | if (linebuf[0] != escape || rflag != NOSTR) { |
06300dd9 KS |
134 | if ((t = putline(obuf, linebuf)) < 0) |
135 | goto err; | |
136 | continue; | |
137 | } | |
138 | c = linebuf[1]; | |
06300dd9 KS |
139 | switch (c) { |
140 | default: | |
141 | /* | |
142 | * On double escape, just send the single one. | |
143 | * Otherwise, it's an error. | |
144 | */ | |
145 | ||
146 | if (c == escape) { | |
147 | if (putline(obuf, &linebuf[1]) < 0) | |
148 | goto err; | |
149 | else | |
150 | break; | |
151 | } | |
152 | printf("Unknown tilde escape.\n"); | |
153 | break; | |
154 | ||
155 | case 'C': | |
156 | /* | |
157 | * Dump core. | |
158 | */ | |
159 | ||
160 | core(); | |
161 | break; | |
162 | ||
163 | case '!': | |
164 | /* | |
165 | * Shell escape, send the balance of the | |
166 | * line to sh -c. | |
167 | */ | |
168 | ||
169 | shell(&linebuf[2]); | |
170 | break; | |
171 | ||
172 | case ':': | |
173 | case '_': | |
174 | /* | |
175 | * Escape to command mode, but be nice! | |
176 | */ | |
177 | ||
343c874e | 178 | execute(&linebuf[2], 1); |
20a47dee | 179 | printf("(continue)\n"); |
06300dd9 KS |
180 | break; |
181 | ||
182 | case '.': | |
183 | /* | |
184 | * Simulate end of file on input. | |
185 | */ | |
ea394d88 | 186 | goto eofl; |
06300dd9 KS |
187 | |
188 | case 'q': | |
189 | case 'Q': | |
190 | /* | |
191 | * Force a quit of sending mail. | |
192 | * Act like an interrupt happened. | |
193 | */ | |
194 | ||
06300dd9 KS |
195 | hadintr++; |
196 | collrub(SIGINT); | |
197 | exit(1); | |
198 | ||
199 | case 'h': | |
200 | /* | |
201 | * Grab a bunch of headers. | |
202 | */ | |
203 | if (!intty || !outtty) { | |
204 | printf("~h: no can do!?\n"); | |
205 | break; | |
206 | } | |
207 | grabh(hp, GTO|GSUBJECT|GCC|GBCC); | |
208 | printf("(continue)\n"); | |
209 | break; | |
210 | ||
211 | case 't': | |
212 | /* | |
213 | * Add to the To list. | |
214 | */ | |
215 | ||
216 | hp->h_to = addto(hp->h_to, &linebuf[2]); | |
217 | hp->h_seq++; | |
218 | break; | |
219 | ||
220 | case 's': | |
221 | /* | |
222 | * Set the Subject list. | |
223 | */ | |
224 | ||
225 | cp = &linebuf[2]; | |
226 | while (any(*cp, " \t")) | |
227 | cp++; | |
228 | hp->h_subject = savestr(cp); | |
229 | hp->h_seq++; | |
230 | break; | |
231 | ||
232 | case 'c': | |
233 | /* | |
234 | * Add to the CC list. | |
235 | */ | |
236 | ||
237 | hp->h_cc = addto(hp->h_cc, &linebuf[2]); | |
238 | hp->h_seq++; | |
239 | break; | |
240 | ||
241 | case 'b': | |
242 | /* | |
243 | * Add stuff to blind carbon copies list. | |
244 | */ | |
245 | hp->h_bcc = addto(hp->h_bcc, &linebuf[2]); | |
246 | hp->h_seq++; | |
247 | break; | |
248 | ||
249 | case 'd': | |
250 | copy(deadletter, &linebuf[2]); | |
251 | /* fall into . . . */ | |
252 | ||
253 | case 'r': | |
254 | /* | |
255 | * Invoke a file: | |
256 | * Search for the file name, | |
257 | * then open it and copy the contents to obuf. | |
258 | */ | |
259 | ||
260 | cp = &linebuf[2]; | |
261 | while (any(*cp, " \t")) | |
262 | cp++; | |
263 | if (*cp == '\0') { | |
264 | printf("Interpolate what file?\n"); | |
265 | break; | |
266 | } | |
267 | cp = expand(cp); | |
268 | if (cp == NOSTR) | |
269 | break; | |
270 | if (isdir(cp)) { | |
271 | printf("%s: directory\n"); | |
272 | break; | |
273 | } | |
274 | if ((fbuf = fopen(cp, "r")) == NULL) { | |
275 | perror(cp); | |
276 | break; | |
277 | } | |
278 | printf("\"%s\" ", cp); | |
279 | flush(); | |
280 | lc = 0; | |
281 | cc = 0; | |
282 | while (readline(fbuf, linebuf) > 0) { | |
283 | lc++; | |
284 | if ((t = putline(obuf, linebuf)) < 0) { | |
285 | fclose(fbuf); | |
286 | goto err; | |
287 | } | |
288 | cc += t; | |
289 | } | |
290 | fclose(fbuf); | |
291 | printf("%d/%d\n", lc, cc); | |
292 | break; | |
293 | ||
294 | case 'w': | |
295 | /* | |
296 | * Write the message on a file. | |
297 | */ | |
298 | ||
299 | cp = &linebuf[2]; | |
300 | while (any(*cp, " \t")) | |
301 | cp++; | |
302 | if (*cp == '\0') { | |
303 | fprintf(stderr, "Write what file!?\n"); | |
304 | break; | |
305 | } | |
306 | if ((cp = expand(cp)) == NOSTR) | |
307 | break; | |
308 | fflush(obuf); | |
309 | rewind(ibuf); | |
310 | exwrite(cp, ibuf, 1); | |
311 | break; | |
312 | ||
313 | case 'm': | |
314 | case 'f': | |
315 | /* | |
316 | * Interpolate the named messages, if we | |
317 | * are in receiving mail mode. Does the | |
318 | * standard list processing garbage. | |
319 | * If ~f is given, we don't shift over. | |
320 | */ | |
321 | ||
322 | if (!rcvmode) { | |
323 | printf("No messages to send from!?!\n"); | |
324 | break; | |
325 | } | |
326 | cp = &linebuf[2]; | |
327 | while (any(*cp, " \t")) | |
328 | cp++; | |
329 | if (forward(cp, obuf, c) < 0) | |
330 | goto err; | |
331 | printf("(continue)\n"); | |
332 | break; | |
333 | ||
334 | case '?': | |
06300dd9 | 335 | if ((fbuf = fopen(THELPFILE, "r")) == NULL) { |
e5cd0021 | 336 | perror(THELPFILE); |
06300dd9 KS |
337 | break; |
338 | } | |
339 | t = getc(fbuf); | |
340 | while (t != -1) { | |
341 | putchar(t); | |
342 | t = getc(fbuf); | |
343 | } | |
344 | fclose(fbuf); | |
345 | break; | |
346 | ||
347 | case 'p': | |
348 | /* | |
349 | * Print out the current state of the | |
350 | * message without altering anything. | |
351 | */ | |
352 | ||
353 | fflush(obuf); | |
354 | rewind(ibuf); | |
06300dd9 KS |
355 | printf("-------\nMessage contains:\n"); |
356 | puthead(hp, stdout, GTO|GSUBJECT|GCC|GBCC|GNL); | |
357 | t = getc(ibuf); | |
358 | while (t != EOF) { | |
359 | putchar(t); | |
360 | t = getc(ibuf); | |
361 | } | |
362 | printf("(continue)\n"); | |
363 | break; | |
364 | ||
365 | case '^': | |
366 | case '|': | |
367 | /* | |
368 | * Pipe message through command. | |
369 | * Collect output as new message. | |
370 | */ | |
371 | ||
372 | obuf = mespipe(ibuf, obuf, &linebuf[2]); | |
373 | newo = obuf; | |
374 | ibuf = newi; | |
375 | newi = ibuf; | |
376 | printf("(continue)\n"); | |
377 | break; | |
378 | ||
379 | case 'v': | |
380 | case 'e': | |
381 | /* | |
382 | * Edit the current message. | |
383 | * 'e' means to use EDITOR | |
384 | * 'v' means to use VISUAL | |
385 | */ | |
386 | ||
387 | if ((obuf = mesedit(ibuf, obuf, c)) == NULL) | |
388 | goto err; | |
389 | newo = obuf; | |
390 | ibuf = newi; | |
391 | printf("(continue)\n"); | |
392 | break; | |
393 | break; | |
394 | } | |
395 | } | |
ea394d88 | 396 | eofl: |
06300dd9 KS |
397 | fclose(obuf); |
398 | rewind(ibuf); | |
7feecf47 KS |
399 | sigset(SIGINT, savesig); |
400 | sigset(SIGHUP, savehup); | |
ea394d88 | 401 | # ifdef VMUNIX |
97bff179 | 402 | sigset(SIGCONT, savecont); |
4bc721c3 | 403 | sigsetmask(0); |
ea394d88 | 404 | # endif VMUNIX |
06300dd9 KS |
405 | noreset = 0; |
406 | return(ibuf); | |
407 | ||
408 | err: | |
409 | if (ibuf != NULL) | |
410 | fclose(ibuf); | |
411 | if (obuf != NULL) | |
412 | fclose(obuf); | |
7feecf47 KS |
413 | sigset(SIGINT, savesig); |
414 | sigset(SIGHUP, savehup); | |
ea394d88 | 415 | # ifdef VMUNIX |
2d55c063 | 416 | sigset(SIGCONT, savecont); |
4bc721c3 | 417 | sigsetmask(0); |
ea394d88 | 418 | # endif VMUNIX |
06300dd9 KS |
419 | noreset = 0; |
420 | return(NULL); | |
421 | } | |
422 | ||
423 | /* | |
424 | * Non destructively interrogate the value of the given signal. | |
425 | */ | |
426 | ||
427 | psig(n) | |
428 | { | |
429 | register (*wassig)(); | |
430 | ||
7feecf47 KS |
431 | wassig = sigset(n, SIG_IGN); |
432 | sigset(n, wassig); | |
06300dd9 KS |
433 | return((int) wassig); |
434 | } | |
435 | ||
436 | /* | |
437 | * Write a file, ex-like if f set. | |
438 | */ | |
439 | ||
440 | exwrite(name, ibuf, f) | |
441 | char name[]; | |
442 | FILE *ibuf; | |
443 | { | |
444 | register FILE *of; | |
445 | register int c; | |
446 | long cc; | |
447 | int lc; | |
448 | struct stat junk; | |
449 | ||
450 | if (f) { | |
451 | printf("\"%s\" ", name); | |
452 | fflush(stdout); | |
453 | } | |
6d1cdf8d | 454 | if (stat(name, &junk) >= 0 && (junk.st_mode & S_IFMT) == S_IFREG) { |
06300dd9 KS |
455 | if (!f) |
456 | fprintf(stderr, "%s: ", name); | |
457 | fprintf(stderr, "File exists\n", name); | |
458 | return(-1); | |
459 | } | |
460 | if ((of = fopen(name, "w")) == NULL) { | |
461 | perror(NOSTR); | |
462 | return(-1); | |
463 | } | |
464 | lc = 0; | |
465 | cc = 0; | |
466 | while ((c = getc(ibuf)) != EOF) { | |
467 | cc++; | |
468 | if (c == '\n') | |
469 | lc++; | |
470 | putc(c, of); | |
471 | if (ferror(of)) { | |
472 | perror(name); | |
473 | fclose(of); | |
474 | return(-1); | |
475 | } | |
476 | } | |
477 | fclose(of); | |
478 | printf("%d/%ld\n", lc, cc); | |
479 | fflush(stdout); | |
480 | return(0); | |
481 | } | |
482 | ||
483 | /* | |
484 | * Edit the message being collected on ibuf and obuf. | |
485 | * Write the message out onto some poorly-named temp file | |
486 | * and point an editor at it. | |
487 | * | |
488 | * On return, make the edit file the new temp file. | |
489 | */ | |
490 | ||
491 | FILE * | |
492 | mesedit(ibuf, obuf, c) | |
493 | FILE *ibuf, *obuf; | |
494 | { | |
495 | int pid, s; | |
496 | FILE *fbuf; | |
497 | register int t; | |
5deb0e1e | 498 | int (*sig)(), (*scont)(), signull(); |
06300dd9 KS |
499 | struct stat sbuf; |
500 | extern char tempMail[], tempEdit[]; | |
501 | register char *edit; | |
502 | ||
7feecf47 | 503 | sig = sigset(SIGINT, SIG_IGN); |
ea394d88 | 504 | # ifdef VMUNIX |
5deb0e1e | 505 | scont = sigset(SIGCONT, signull); |
ea394d88 | 506 | # endif VMUNIX |
06300dd9 KS |
507 | if (stat(tempEdit, &sbuf) >= 0) { |
508 | printf("%s: file exists\n", tempEdit); | |
509 | goto out; | |
510 | } | |
511 | close(creat(tempEdit, 0600)); | |
512 | if ((fbuf = fopen(tempEdit, "w")) == NULL) { | |
513 | perror(tempEdit); | |
514 | goto out; | |
515 | } | |
516 | fflush(obuf); | |
517 | rewind(ibuf); | |
518 | t = getc(ibuf); | |
519 | while (t != EOF) { | |
520 | putc(t, fbuf); | |
521 | t = getc(ibuf); | |
522 | } | |
523 | fflush(fbuf); | |
524 | if (ferror(fbuf)) { | |
525 | perror(tempEdit); | |
526 | remove(tempEdit); | |
527 | goto fix; | |
528 | } | |
529 | fclose(fbuf); | |
530 | if ((edit = value(c == 'e' ? "EDITOR" : "VISUAL")) == NOSTR) | |
531 | edit = c == 'e' ? EDITOR : VISUAL; | |
532 | pid = vfork(); | |
533 | if (pid == 0) { | |
5388d5b8 | 534 | sigchild(); |
06300dd9 | 535 | if (sig != SIG_IGN) |
7feecf47 | 536 | sigsys(SIGINT, SIG_DFL); |
06300dd9 KS |
537 | execl(edit, edit, tempEdit, 0); |
538 | perror(edit); | |
539 | _exit(1); | |
540 | } | |
541 | if (pid == -1) { | |
542 | perror("fork"); | |
543 | remove(tempEdit); | |
544 | goto out; | |
545 | } | |
546 | while (wait(&s) != pid) | |
547 | ; | |
5b0c1c37 | 548 | if ((s & 0377) != 0) { |
06300dd9 KS |
549 | printf("Fatal error in \"%s\"\n", edit); |
550 | remove(tempEdit); | |
551 | goto out; | |
552 | } | |
553 | ||
554 | /* | |
555 | * Now switch to new file. | |
556 | */ | |
557 | ||
558 | if ((fbuf = fopen(tempEdit, "a")) == NULL) { | |
559 | perror(tempEdit); | |
560 | remove(tempEdit); | |
561 | goto out; | |
562 | } | |
563 | if ((ibuf = fopen(tempEdit, "r")) == NULL) { | |
564 | perror(tempEdit); | |
565 | fclose(fbuf); | |
566 | remove(tempEdit); | |
567 | goto out; | |
568 | } | |
569 | remove(tempEdit); | |
570 | fclose(obuf); | |
571 | fclose(newi); | |
572 | obuf = fbuf; | |
573 | goto out; | |
574 | fix: | |
575 | perror(tempEdit); | |
576 | out: | |
ea394d88 | 577 | # ifdef VMUNIX |
97bff179 | 578 | sigset(SIGCONT, scont); |
ea394d88 | 579 | # endif VMUNIX |
7feecf47 | 580 | sigset(SIGINT, sig); |
06300dd9 KS |
581 | newi = ibuf; |
582 | return(obuf); | |
583 | } | |
584 | ||
585 | /* | |
586 | * Pipe the message through the command. | |
587 | * Old message is on stdin of command; | |
588 | * New message collected from stdout. | |
589 | * Sh -c must return 0 to accept the new message. | |
590 | */ | |
591 | ||
592 | FILE * | |
593 | mespipe(ibuf, obuf, cmd) | |
594 | FILE *ibuf, *obuf; | |
595 | char cmd[]; | |
596 | { | |
597 | register FILE *ni, *no; | |
598 | int pid, s; | |
599 | int (*savesig)(); | |
600 | char *Shell; | |
601 | ||
602 | newi = ibuf; | |
603 | if ((no = fopen(tempEdit, "w")) == NULL) { | |
604 | perror(tempEdit); | |
605 | return(obuf); | |
606 | } | |
607 | if ((ni = fopen(tempEdit, "r")) == NULL) { | |
608 | perror(tempEdit); | |
609 | fclose(no); | |
610 | remove(tempEdit); | |
611 | return(obuf); | |
612 | } | |
613 | remove(tempEdit); | |
7feecf47 | 614 | savesig = sigset(SIGINT, SIG_IGN); |
06300dd9 KS |
615 | fflush(obuf); |
616 | rewind(ibuf); | |
617 | if ((Shell = value("SHELL")) == NULL) | |
618 | Shell = "/bin/sh"; | |
619 | if ((pid = vfork()) == -1) { | |
620 | perror("fork"); | |
621 | goto err; | |
622 | } | |
623 | if (pid == 0) { | |
624 | /* | |
625 | * stdin = current message. | |
626 | * stdout = new message. | |
627 | */ | |
628 | ||
5388d5b8 | 629 | sigchild(); |
06300dd9 KS |
630 | close(0); |
631 | dup(fileno(ibuf)); | |
632 | close(1); | |
633 | dup(fileno(no)); | |
634 | for (s = 4; s < 15; s++) | |
635 | close(s); | |
636 | execl(Shell, Shell, "-c", cmd, 0); | |
637 | perror(Shell); | |
638 | _exit(1); | |
639 | } | |
640 | while (wait(&s) != pid) | |
641 | ; | |
642 | if (s != 0 || pid == -1) { | |
643 | fprintf(stderr, "\"%s\" failed!?\n", cmd); | |
644 | goto err; | |
645 | } | |
646 | if (fsize(ni) == 0) { | |
647 | fprintf(stderr, "No bytes from \"%s\" !?\n", cmd); | |
648 | goto err; | |
649 | } | |
650 | ||
651 | /* | |
652 | * Take new files. | |
653 | */ | |
654 | ||
655 | newi = ni; | |
656 | fclose(ibuf); | |
657 | fclose(obuf); | |
7feecf47 | 658 | sigset(SIGINT, savesig); |
06300dd9 KS |
659 | return(no); |
660 | ||
661 | err: | |
662 | fclose(no); | |
663 | fclose(ni); | |
7feecf47 | 664 | sigset(SIGINT, savesig); |
06300dd9 KS |
665 | return(obuf); |
666 | } | |
667 | ||
668 | /* | |
669 | * Interpolate the named messages into the current | |
670 | * message, preceding each line with a tab. | |
671 | * Return a count of the number of characters now in | |
672 | * the message, or -1 if an error is encountered writing | |
673 | * the message temporary. The flag argument is 'm' if we | |
674 | * should shift over and 'f' if not. | |
675 | */ | |
06300dd9 KS |
676 | forward(ms, obuf, f) |
677 | char ms[]; | |
678 | FILE *obuf; | |
679 | { | |
680 | register int *msgvec, *ip; | |
681 | extern char tempMail[]; | |
682 | ||
683 | msgvec = (int *) salloc((msgCount+1) * sizeof *msgvec); | |
684 | if (msgvec == (int *) NOSTR) | |
685 | return(0); | |
686 | if (getmsglist(ms, msgvec, 0) < 0) | |
687 | return(0); | |
688 | if (*msgvec == NULL) { | |
689 | *msgvec = first(0, MMNORM); | |
690 | if (*msgvec == NULL) { | |
691 | printf("No appropriate messages\n"); | |
692 | return(0); | |
693 | } | |
694 | msgvec[1] = NULL; | |
695 | } | |
696 | printf("Interpolating:"); | |
697 | for (ip = msgvec; *ip != NULL; ip++) { | |
698 | touch(*ip); | |
699 | printf(" %d", *ip); | |
700 | if (f == 'm') { | |
5deb0e1e | 701 | if (transmit(&message[*ip-1], obuf) < 0L) { |
06300dd9 KS |
702 | perror(tempMail); |
703 | return(-1); | |
704 | } | |
705 | } else | |
99f2cebd | 706 | if (send(&message[*ip-1], obuf, 0) < 0) { |
06300dd9 KS |
707 | perror(tempMail); |
708 | return(-1); | |
709 | } | |
710 | } | |
711 | printf("\n"); | |
712 | return(0); | |
713 | } | |
714 | ||
715 | /* | |
716 | * Send message described by the passed pointer to the | |
717 | * passed output buffer. Insert a tab in front of each | |
718 | * line. Return a count of the characters sent, or -1 | |
719 | * on error. | |
720 | */ | |
721 | ||
5deb0e1e | 722 | long |
06300dd9 KS |
723 | transmit(mailp, obuf) |
724 | struct message *mailp; | |
725 | FILE *obuf; | |
726 | { | |
727 | register struct message *mp; | |
5deb0e1e CS |
728 | register int ch; |
729 | long c, n; | |
730 | int bol; | |
06300dd9 KS |
731 | FILE *ibuf; |
732 | ||
733 | mp = mailp; | |
734 | ibuf = setinput(mp); | |
5deb0e1e | 735 | c = mp->m_size; |
06300dd9 KS |
736 | n = c; |
737 | bol = 1; | |
5deb0e1e | 738 | while (c-- > 0L) { |
06300dd9 KS |
739 | if (bol) { |
740 | bol = 0; | |
741 | putc('\t', obuf); | |
742 | n++; | |
743 | if (ferror(obuf)) { | |
744 | perror("/tmp"); | |
5deb0e1e | 745 | return(-1L); |
06300dd9 KS |
746 | } |
747 | } | |
748 | ch = getc(ibuf); | |
749 | if (ch == '\n') | |
750 | bol++; | |
751 | putc(ch, obuf); | |
752 | if (ferror(obuf)) { | |
753 | perror("/tmp"); | |
5deb0e1e | 754 | return(-1L); |
06300dd9 KS |
755 | } |
756 | } | |
757 | return(n); | |
758 | } | |
759 | ||
2d55c063 KS |
760 | /* |
761 | * Print (continue) when continued after ^Z. | |
762 | */ | |
763 | collcont(s) | |
764 | { | |
765 | ||
766 | printf("(continue)\n"); | |
767 | fflush(stdout); | |
768 | } | |
769 | ||
06300dd9 KS |
770 | /* |
771 | * On interrupt, go here to save the partial | |
7feecf47 | 772 | * message on ~/dead.letter. |
06300dd9 KS |
773 | * Then restore signals and execute the normal |
774 | * signal routine. We only come here if signals | |
775 | * were previously set anyway. | |
776 | */ | |
777 | ||
ea394d88 KS |
778 | # ifndef VMUNIX |
779 | collintsig() | |
780 | { | |
781 | signal(SIGINT, SIG_IGN); | |
782 | collrub(SIGINT); | |
783 | } | |
784 | ||
785 | collhupsig() | |
786 | { | |
787 | signal(SIGHUP, SIG_IGN); | |
788 | collrub(SIGHUP); | |
789 | } | |
790 | # endif VMUNIX | |
791 | ||
06300dd9 KS |
792 | collrub(s) |
793 | { | |
794 | register FILE *dbuf; | |
795 | register int c; | |
796 | ||
7feecf47 | 797 | if (s == SIGINT && hadintr == 0) { |
06300dd9 KS |
798 | hadintr++; |
799 | clrbuf(stdout); | |
800 | printf("\n(Interrupt -- one more to kill letter)\n"); | |
06300dd9 KS |
801 | longjmp(coljmp, 1); |
802 | } | |
803 | fclose(newo); | |
804 | rewind(newi); | |
7feecf47 | 805 | if (s == SIGINT && value("nosave") != NOSTR || fsize(newi) == 0) |
06300dd9 KS |
806 | goto done; |
807 | if ((dbuf = fopen(deadletter, "w")) == NULL) | |
808 | goto done; | |
809 | chmod(deadletter, 0600); | |
810 | while ((c = getc(newi)) != EOF) | |
811 | putc(c, dbuf); | |
812 | fclose(dbuf); | |
813 | ||
814 | done: | |
815 | fclose(newi); | |
7feecf47 KS |
816 | sigset(SIGINT, savesig); |
817 | sigset(SIGHUP, savehup); | |
ea394d88 | 818 | # ifdef VMUNIX |
2d55c063 | 819 | sigset(SIGCONT, savecont); |
ea394d88 | 820 | # endif VMUNIX |
7feecf47 KS |
821 | if (rcvmode) { |
822 | if (s == SIGHUP) | |
823 | hangup(SIGHUP); | |
824 | else | |
2d55c063 | 825 | stop(s); |
7feecf47 | 826 | } |
06300dd9 KS |
827 | else |
828 | exit(1); | |
829 | } | |
830 | ||
831 | /* | |
832 | * Acknowledge an interrupt signal from the tty by typing an @ | |
833 | */ | |
834 | ||
835 | intack(s) | |
836 | { | |
837 | ||
06300dd9 KS |
838 | puts("@"); |
839 | fflush(stdout); | |
840 | clearerr(stdin); | |
06300dd9 KS |
841 | } |
842 | ||
843 | /* | |
844 | * Add a string to the end of a header entry field. | |
845 | */ | |
846 | ||
847 | char * | |
848 | addto(hf, news) | |
849 | char hf[], news[]; | |
850 | { | |
851 | register char *cp, *cp2, *linebuf; | |
852 | ||
853 | if (hf == NOSTR) | |
854 | hf = ""; | |
855 | if (*news == '\0') | |
856 | return(hf); | |
857 | linebuf = salloc(strlen(hf) + strlen(news) + 2); | |
858 | for (cp = hf; any(*cp, " \t"); cp++) | |
859 | ; | |
860 | for (cp2 = linebuf; *cp;) | |
861 | *cp2++ = *cp++; | |
862 | *cp2++ = ' '; | |
863 | for (cp = news; any(*cp, " \t"); cp++) | |
864 | ; | |
865 | while (*cp != '\0') | |
866 | *cp2++ = *cp++; | |
867 | *cp2 = '\0'; | |
868 | return(linebuf); | |
869 | } |