Commit | Line | Data |
---|---|---|
06300dd9 KS |
1 | # |
2 | ||
3 | /* | |
4 | * Mail -- a mail program | |
5 | * | |
6 | * Collect input from standard input, handling | |
7 | * ~ escapes. | |
8 | */ | |
9 | ||
5b0c1c37 | 10 | static char *SccsId = "@(#)collect.c 2.7 %G%"; |
06300dd9 KS |
11 | |
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 */ |
2d55c063 | 30 | static int (*savecont)(); /* Previous SIGCONT value */ |
06300dd9 KS |
31 | static FILE *newi; /* File for saving away */ |
32 | static FILE *newo; /* Output side of same */ | |
33 | static int hf; /* Ignore interrups */ | |
06300dd9 KS |
34 | static int hadintr; /* Have seen one SIGINT so far */ |
35 | ||
36 | static jmp_buf coljmp; /* To get back to work */ | |
37 | ||
38 | FILE * | |
39 | collect(hp) | |
40 | struct header *hp; | |
41 | { | |
42 | FILE *ibuf, *fbuf, *obuf; | |
0fa68535 | 43 | int lc, cc, escape, collrub(), intack(), collhup, collcont(), eof; |
06300dd9 KS |
44 | register int c, t; |
45 | char linebuf[LINESIZE], *cp; | |
46 | extern char tempMail[]; | |
97bff179 | 47 | int notify(); |
06300dd9 KS |
48 | |
49 | noreset++; | |
06300dd9 KS |
50 | ibuf = obuf = NULL; |
51 | if (value("ignore") != NOSTR) | |
52 | hf = 1; | |
53 | else | |
54 | hf = 0; | |
06300dd9 | 55 | hadintr = 0; |
7feecf47 KS |
56 | if ((savesig = sigset(SIGINT, SIG_IGN)) != SIG_IGN) |
57 | sigset(SIGINT, hf ? intack : collrub), sighold(SIGINT); | |
58 | if ((savehup = sigset(SIGHUP, SIG_IGN)) != SIG_IGN) | |
59 | sigset(SIGHUP, collrub), sighold(SIGINT); | |
2d55c063 | 60 | savecont = sigset(SIGCONT, collcont); |
06300dd9 KS |
61 | newi = NULL; |
62 | newo = NULL; | |
63 | if ((obuf = fopen(tempMail, "w")) == NULL) { | |
64 | perror(tempMail); | |
65 | goto err; | |
66 | } | |
67 | newo = obuf; | |
68 | if ((ibuf = fopen(tempMail, "r")) == NULL) { | |
69 | perror(tempMail); | |
70 | newo = NULL; | |
71 | fclose(obuf); | |
72 | goto err; | |
73 | } | |
74 | newi = ibuf; | |
75 | remove(tempMail); | |
76 | ||
77 | /* | |
78 | * If we are going to prompt for a subject, | |
79 | * refrain from printing a newline after | |
80 | * the headers (since some people mind). | |
81 | */ | |
82 | ||
83 | t = GTO|GSUBJECT|GCC|GNL; | |
84 | c = 0; | |
85 | if (intty && sflag == NOSTR && hp->h_subject == NOSTR && value("ask")) | |
86 | t &= ~GNL, c++; | |
87 | if (hp->h_seq != 0) { | |
88 | puthead(hp, stdout, t); | |
89 | fflush(stdout); | |
90 | } | |
91 | if (c) | |
92 | grabh(hp, GSUBJECT); | |
93 | escape = ESCAPE; | |
94 | if ((cp = value("escape")) != NOSTR) | |
95 | escape = *cp; | |
0fa68535 | 96 | eof = 0; |
06300dd9 KS |
97 | for (;;) { |
98 | setjmp(coljmp); | |
7feecf47 KS |
99 | sigrelse(SIGINT); |
100 | sigrelse(SIGHUP); | |
06300dd9 | 101 | flush(); |
0fa68535 KS |
102 | if (readline(stdin, linebuf) <= 0) { |
103 | if (intty && value("ignoreeof") != NOSTR) { | |
104 | if (++eof > 35) | |
105 | break; | |
ef45c47a | 106 | printf("Use \".\" to terminate letter\n", |
0fa68535 KS |
107 | escape); |
108 | continue; | |
109 | } | |
06300dd9 | 110 | break; |
0fa68535 KS |
111 | } |
112 | eof = 0; | |
06300dd9 | 113 | hadintr = 0; |
b068a67e KS |
114 | if (intty && equal(".", linebuf) && |
115 | (value("dot") != NOSTR || value("ignoreeof") != NOSTR)) | |
06300dd9 | 116 | break; |
3dffb9c8 | 117 | if (linebuf[0] != escape || rflag != NOSTR) { |
06300dd9 KS |
118 | if ((t = putline(obuf, linebuf)) < 0) |
119 | goto err; | |
120 | continue; | |
121 | } | |
122 | c = linebuf[1]; | |
06300dd9 KS |
123 | switch (c) { |
124 | default: | |
125 | /* | |
126 | * On double escape, just send the single one. | |
127 | * Otherwise, it's an error. | |
128 | */ | |
129 | ||
130 | if (c == escape) { | |
131 | if (putline(obuf, &linebuf[1]) < 0) | |
132 | goto err; | |
133 | else | |
134 | break; | |
135 | } | |
136 | printf("Unknown tilde escape.\n"); | |
137 | break; | |
138 | ||
139 | case 'C': | |
140 | /* | |
141 | * Dump core. | |
142 | */ | |
143 | ||
144 | core(); | |
145 | break; | |
146 | ||
147 | case '!': | |
148 | /* | |
149 | * Shell escape, send the balance of the | |
150 | * line to sh -c. | |
151 | */ | |
152 | ||
153 | shell(&linebuf[2]); | |
154 | break; | |
155 | ||
156 | case ':': | |
157 | case '_': | |
158 | /* | |
159 | * Escape to command mode, but be nice! | |
160 | */ | |
161 | ||
343c874e | 162 | execute(&linebuf[2], 1); |
06300dd9 KS |
163 | break; |
164 | ||
165 | case '.': | |
166 | /* | |
167 | * Simulate end of file on input. | |
168 | */ | |
169 | goto eof; | |
170 | ||
171 | case 'q': | |
172 | case 'Q': | |
173 | /* | |
174 | * Force a quit of sending mail. | |
175 | * Act like an interrupt happened. | |
176 | */ | |
177 | ||
06300dd9 KS |
178 | hadintr++; |
179 | collrub(SIGINT); | |
180 | exit(1); | |
181 | ||
182 | case 'h': | |
183 | /* | |
184 | * Grab a bunch of headers. | |
185 | */ | |
186 | if (!intty || !outtty) { | |
187 | printf("~h: no can do!?\n"); | |
188 | break; | |
189 | } | |
190 | grabh(hp, GTO|GSUBJECT|GCC|GBCC); | |
191 | printf("(continue)\n"); | |
192 | break; | |
193 | ||
194 | case 't': | |
195 | /* | |
196 | * Add to the To list. | |
197 | */ | |
198 | ||
199 | hp->h_to = addto(hp->h_to, &linebuf[2]); | |
200 | hp->h_seq++; | |
201 | break; | |
202 | ||
203 | case 's': | |
204 | /* | |
205 | * Set the Subject list. | |
206 | */ | |
207 | ||
208 | cp = &linebuf[2]; | |
209 | while (any(*cp, " \t")) | |
210 | cp++; | |
211 | hp->h_subject = savestr(cp); | |
212 | hp->h_seq++; | |
213 | break; | |
214 | ||
215 | case 'c': | |
216 | /* | |
217 | * Add to the CC list. | |
218 | */ | |
219 | ||
220 | hp->h_cc = addto(hp->h_cc, &linebuf[2]); | |
221 | hp->h_seq++; | |
222 | break; | |
223 | ||
224 | case 'b': | |
225 | /* | |
226 | * Add stuff to blind carbon copies list. | |
227 | */ | |
228 | hp->h_bcc = addto(hp->h_bcc, &linebuf[2]); | |
229 | hp->h_seq++; | |
230 | break; | |
231 | ||
232 | case 'd': | |
233 | copy(deadletter, &linebuf[2]); | |
234 | /* fall into . . . */ | |
235 | ||
236 | case 'r': | |
237 | /* | |
238 | * Invoke a file: | |
239 | * Search for the file name, | |
240 | * then open it and copy the contents to obuf. | |
241 | */ | |
242 | ||
243 | cp = &linebuf[2]; | |
244 | while (any(*cp, " \t")) | |
245 | cp++; | |
246 | if (*cp == '\0') { | |
247 | printf("Interpolate what file?\n"); | |
248 | break; | |
249 | } | |
250 | cp = expand(cp); | |
251 | if (cp == NOSTR) | |
252 | break; | |
253 | if (isdir(cp)) { | |
254 | printf("%s: directory\n"); | |
255 | break; | |
256 | } | |
257 | if ((fbuf = fopen(cp, "r")) == NULL) { | |
258 | perror(cp); | |
259 | break; | |
260 | } | |
261 | printf("\"%s\" ", cp); | |
262 | flush(); | |
263 | lc = 0; | |
264 | cc = 0; | |
265 | while (readline(fbuf, linebuf) > 0) { | |
266 | lc++; | |
267 | if ((t = putline(obuf, linebuf)) < 0) { | |
268 | fclose(fbuf); | |
269 | goto err; | |
270 | } | |
271 | cc += t; | |
272 | } | |
273 | fclose(fbuf); | |
274 | printf("%d/%d\n", lc, cc); | |
275 | break; | |
276 | ||
277 | case 'w': | |
278 | /* | |
279 | * Write the message on a file. | |
280 | */ | |
281 | ||
282 | cp = &linebuf[2]; | |
283 | while (any(*cp, " \t")) | |
284 | cp++; | |
285 | if (*cp == '\0') { | |
286 | fprintf(stderr, "Write what file!?\n"); | |
287 | break; | |
288 | } | |
289 | if ((cp = expand(cp)) == NOSTR) | |
290 | break; | |
291 | fflush(obuf); | |
292 | rewind(ibuf); | |
293 | exwrite(cp, ibuf, 1); | |
294 | break; | |
295 | ||
296 | case 'm': | |
297 | case 'f': | |
298 | /* | |
299 | * Interpolate the named messages, if we | |
300 | * are in receiving mail mode. Does the | |
301 | * standard list processing garbage. | |
302 | * If ~f is given, we don't shift over. | |
303 | */ | |
304 | ||
305 | if (!rcvmode) { | |
306 | printf("No messages to send from!?!\n"); | |
307 | break; | |
308 | } | |
309 | cp = &linebuf[2]; | |
310 | while (any(*cp, " \t")) | |
311 | cp++; | |
312 | if (forward(cp, obuf, c) < 0) | |
313 | goto err; | |
314 | printf("(continue)\n"); | |
315 | break; | |
316 | ||
317 | case '?': | |
06300dd9 KS |
318 | if ((fbuf = fopen(THELPFILE, "r")) == NULL) { |
319 | printf("No help just now.\n"); | |
320 | break; | |
321 | } | |
322 | t = getc(fbuf); | |
323 | while (t != -1) { | |
324 | putchar(t); | |
325 | t = getc(fbuf); | |
326 | } | |
327 | fclose(fbuf); | |
328 | break; | |
329 | ||
330 | case 'p': | |
331 | /* | |
332 | * Print out the current state of the | |
333 | * message without altering anything. | |
334 | */ | |
335 | ||
336 | fflush(obuf); | |
337 | rewind(ibuf); | |
06300dd9 KS |
338 | printf("-------\nMessage contains:\n"); |
339 | puthead(hp, stdout, GTO|GSUBJECT|GCC|GBCC|GNL); | |
340 | t = getc(ibuf); | |
341 | while (t != EOF) { | |
342 | putchar(t); | |
343 | t = getc(ibuf); | |
344 | } | |
345 | printf("(continue)\n"); | |
346 | break; | |
347 | ||
348 | case '^': | |
349 | case '|': | |
350 | /* | |
351 | * Pipe message through command. | |
352 | * Collect output as new message. | |
353 | */ | |
354 | ||
355 | obuf = mespipe(ibuf, obuf, &linebuf[2]); | |
356 | newo = obuf; | |
357 | ibuf = newi; | |
358 | newi = ibuf; | |
359 | printf("(continue)\n"); | |
360 | break; | |
361 | ||
362 | case 'v': | |
363 | case 'e': | |
364 | /* | |
365 | * Edit the current message. | |
366 | * 'e' means to use EDITOR | |
367 | * 'v' means to use VISUAL | |
368 | */ | |
369 | ||
370 | if ((obuf = mesedit(ibuf, obuf, c)) == NULL) | |
371 | goto err; | |
372 | newo = obuf; | |
373 | ibuf = newi; | |
374 | printf("(continue)\n"); | |
375 | break; | |
376 | break; | |
377 | } | |
378 | } | |
379 | eof: | |
380 | fclose(obuf); | |
381 | rewind(ibuf); | |
7feecf47 KS |
382 | sigset(SIGINT, savesig); |
383 | sigset(SIGHUP, savehup); | |
97bff179 | 384 | sigset(SIGCONT, savecont); |
06300dd9 KS |
385 | noreset = 0; |
386 | return(ibuf); | |
387 | ||
388 | err: | |
389 | if (ibuf != NULL) | |
390 | fclose(ibuf); | |
391 | if (obuf != NULL) | |
392 | fclose(obuf); | |
7feecf47 KS |
393 | sigset(SIGINT, savesig); |
394 | sigset(SIGHUP, savehup); | |
2d55c063 | 395 | sigset(SIGCONT, savecont); |
06300dd9 KS |
396 | noreset = 0; |
397 | return(NULL); | |
398 | } | |
399 | ||
400 | /* | |
401 | * Non destructively interrogate the value of the given signal. | |
402 | */ | |
403 | ||
404 | psig(n) | |
405 | { | |
406 | register (*wassig)(); | |
407 | ||
7feecf47 KS |
408 | wassig = sigset(n, SIG_IGN); |
409 | sigset(n, wassig); | |
06300dd9 KS |
410 | return((int) wassig); |
411 | } | |
412 | ||
413 | /* | |
414 | * Write a file, ex-like if f set. | |
415 | */ | |
416 | ||
417 | exwrite(name, ibuf, f) | |
418 | char name[]; | |
419 | FILE *ibuf; | |
420 | { | |
421 | register FILE *of; | |
422 | register int c; | |
423 | long cc; | |
424 | int lc; | |
425 | struct stat junk; | |
426 | ||
427 | if (f) { | |
428 | printf("\"%s\" ", name); | |
429 | fflush(stdout); | |
430 | } | |
6d1cdf8d | 431 | if (stat(name, &junk) >= 0 && (junk.st_mode & S_IFMT) == S_IFREG) { |
06300dd9 KS |
432 | if (!f) |
433 | fprintf(stderr, "%s: ", name); | |
434 | fprintf(stderr, "File exists\n", name); | |
435 | return(-1); | |
436 | } | |
437 | if ((of = fopen(name, "w")) == NULL) { | |
438 | perror(NOSTR); | |
439 | return(-1); | |
440 | } | |
441 | lc = 0; | |
442 | cc = 0; | |
443 | while ((c = getc(ibuf)) != EOF) { | |
444 | cc++; | |
445 | if (c == '\n') | |
446 | lc++; | |
447 | putc(c, of); | |
448 | if (ferror(of)) { | |
449 | perror(name); | |
450 | fclose(of); | |
451 | return(-1); | |
452 | } | |
453 | } | |
454 | fclose(of); | |
455 | printf("%d/%ld\n", lc, cc); | |
456 | fflush(stdout); | |
457 | return(0); | |
458 | } | |
459 | ||
460 | /* | |
461 | * Edit the message being collected on ibuf and obuf. | |
462 | * Write the message out onto some poorly-named temp file | |
463 | * and point an editor at it. | |
464 | * | |
465 | * On return, make the edit file the new temp file. | |
466 | */ | |
467 | ||
468 | FILE * | |
469 | mesedit(ibuf, obuf, c) | |
470 | FILE *ibuf, *obuf; | |
471 | { | |
472 | int pid, s; | |
473 | FILE *fbuf; | |
474 | register int t; | |
97bff179 | 475 | int (*sig)(), (*scont)(), foonly(); |
06300dd9 KS |
476 | struct stat sbuf; |
477 | extern char tempMail[], tempEdit[]; | |
478 | register char *edit; | |
479 | ||
7feecf47 | 480 | sig = sigset(SIGINT, SIG_IGN); |
97bff179 | 481 | scont = sigset(SIGCONT, foonly); |
06300dd9 KS |
482 | if (stat(tempEdit, &sbuf) >= 0) { |
483 | printf("%s: file exists\n", tempEdit); | |
484 | goto out; | |
485 | } | |
486 | close(creat(tempEdit, 0600)); | |
487 | if ((fbuf = fopen(tempEdit, "w")) == NULL) { | |
488 | perror(tempEdit); | |
489 | goto out; | |
490 | } | |
491 | fflush(obuf); | |
492 | rewind(ibuf); | |
493 | t = getc(ibuf); | |
494 | while (t != EOF) { | |
495 | putc(t, fbuf); | |
496 | t = getc(ibuf); | |
497 | } | |
498 | fflush(fbuf); | |
499 | if (ferror(fbuf)) { | |
500 | perror(tempEdit); | |
501 | remove(tempEdit); | |
502 | goto fix; | |
503 | } | |
504 | fclose(fbuf); | |
505 | if ((edit = value(c == 'e' ? "EDITOR" : "VISUAL")) == NOSTR) | |
506 | edit = c == 'e' ? EDITOR : VISUAL; | |
507 | pid = vfork(); | |
508 | if (pid == 0) { | |
509 | if (sig != SIG_IGN) | |
7feecf47 | 510 | sigsys(SIGINT, SIG_DFL); |
06300dd9 KS |
511 | execl(edit, edit, tempEdit, 0); |
512 | perror(edit); | |
513 | _exit(1); | |
514 | } | |
515 | if (pid == -1) { | |
516 | perror("fork"); | |
517 | remove(tempEdit); | |
518 | goto out; | |
519 | } | |
520 | while (wait(&s) != pid) | |
521 | ; | |
5b0c1c37 | 522 | if ((s & 0377) != 0) { |
06300dd9 KS |
523 | printf("Fatal error in \"%s\"\n", edit); |
524 | remove(tempEdit); | |
525 | goto out; | |
526 | } | |
527 | ||
528 | /* | |
529 | * Now switch to new file. | |
530 | */ | |
531 | ||
532 | if ((fbuf = fopen(tempEdit, "a")) == NULL) { | |
533 | perror(tempEdit); | |
534 | remove(tempEdit); | |
535 | goto out; | |
536 | } | |
537 | if ((ibuf = fopen(tempEdit, "r")) == NULL) { | |
538 | perror(tempEdit); | |
539 | fclose(fbuf); | |
540 | remove(tempEdit); | |
541 | goto out; | |
542 | } | |
543 | remove(tempEdit); | |
544 | fclose(obuf); | |
545 | fclose(newi); | |
546 | obuf = fbuf; | |
547 | goto out; | |
548 | fix: | |
549 | perror(tempEdit); | |
550 | out: | |
97bff179 | 551 | sigset(SIGCONT, scont); |
7feecf47 | 552 | sigset(SIGINT, sig); |
06300dd9 KS |
553 | newi = ibuf; |
554 | return(obuf); | |
555 | } | |
556 | ||
97bff179 KS |
557 | /* |
558 | * Currently, Berkeley virtual VAX/UNIX will not let you change the | |
559 | * disposition of SIGCONT, except to trap it somewhere new. | |
560 | * Hence, sigset(SIGCONT, foonly) is used to ignore continue signals. | |
561 | */ | |
562 | foonly() {} | |
563 | ||
06300dd9 KS |
564 | /* |
565 | * Pipe the message through the command. | |
566 | * Old message is on stdin of command; | |
567 | * New message collected from stdout. | |
568 | * Sh -c must return 0 to accept the new message. | |
569 | */ | |
570 | ||
571 | FILE * | |
572 | mespipe(ibuf, obuf, cmd) | |
573 | FILE *ibuf, *obuf; | |
574 | char cmd[]; | |
575 | { | |
576 | register FILE *ni, *no; | |
577 | int pid, s; | |
578 | int (*savesig)(); | |
579 | char *Shell; | |
580 | ||
581 | newi = ibuf; | |
582 | if ((no = fopen(tempEdit, "w")) == NULL) { | |
583 | perror(tempEdit); | |
584 | return(obuf); | |
585 | } | |
586 | if ((ni = fopen(tempEdit, "r")) == NULL) { | |
587 | perror(tempEdit); | |
588 | fclose(no); | |
589 | remove(tempEdit); | |
590 | return(obuf); | |
591 | } | |
592 | remove(tempEdit); | |
7feecf47 | 593 | savesig = sigset(SIGINT, SIG_IGN); |
06300dd9 KS |
594 | fflush(obuf); |
595 | rewind(ibuf); | |
596 | if ((Shell = value("SHELL")) == NULL) | |
597 | Shell = "/bin/sh"; | |
598 | if ((pid = vfork()) == -1) { | |
599 | perror("fork"); | |
600 | goto err; | |
601 | } | |
602 | if (pid == 0) { | |
603 | /* | |
604 | * stdin = current message. | |
605 | * stdout = new message. | |
606 | */ | |
607 | ||
608 | close(0); | |
609 | dup(fileno(ibuf)); | |
610 | close(1); | |
611 | dup(fileno(no)); | |
612 | for (s = 4; s < 15; s++) | |
613 | close(s); | |
614 | execl(Shell, Shell, "-c", cmd, 0); | |
615 | perror(Shell); | |
616 | _exit(1); | |
617 | } | |
618 | while (wait(&s) != pid) | |
619 | ; | |
620 | if (s != 0 || pid == -1) { | |
621 | fprintf(stderr, "\"%s\" failed!?\n", cmd); | |
622 | goto err; | |
623 | } | |
624 | if (fsize(ni) == 0) { | |
625 | fprintf(stderr, "No bytes from \"%s\" !?\n", cmd); | |
626 | goto err; | |
627 | } | |
628 | ||
629 | /* | |
630 | * Take new files. | |
631 | */ | |
632 | ||
633 | newi = ni; | |
634 | fclose(ibuf); | |
635 | fclose(obuf); | |
7feecf47 | 636 | sigset(SIGINT, savesig); |
06300dd9 KS |
637 | return(no); |
638 | ||
639 | err: | |
640 | fclose(no); | |
641 | fclose(ni); | |
7feecf47 | 642 | sigset(SIGINT, savesig); |
06300dd9 KS |
643 | return(obuf); |
644 | } | |
645 | ||
646 | /* | |
647 | * Interpolate the named messages into the current | |
648 | * message, preceding each line with a tab. | |
649 | * Return a count of the number of characters now in | |
650 | * the message, or -1 if an error is encountered writing | |
651 | * the message temporary. The flag argument is 'm' if we | |
652 | * should shift over and 'f' if not. | |
653 | */ | |
654 | ||
655 | forward(ms, obuf, f) | |
656 | char ms[]; | |
657 | FILE *obuf; | |
658 | { | |
659 | register int *msgvec, *ip; | |
660 | extern char tempMail[]; | |
661 | ||
662 | msgvec = (int *) salloc((msgCount+1) * sizeof *msgvec); | |
663 | if (msgvec == (int *) NOSTR) | |
664 | return(0); | |
665 | if (getmsglist(ms, msgvec, 0) < 0) | |
666 | return(0); | |
667 | if (*msgvec == NULL) { | |
668 | *msgvec = first(0, MMNORM); | |
669 | if (*msgvec == NULL) { | |
670 | printf("No appropriate messages\n"); | |
671 | return(0); | |
672 | } | |
673 | msgvec[1] = NULL; | |
674 | } | |
675 | printf("Interpolating:"); | |
676 | for (ip = msgvec; *ip != NULL; ip++) { | |
677 | touch(*ip); | |
678 | printf(" %d", *ip); | |
679 | if (f == 'm') { | |
680 | if (transmit(&message[*ip-1], obuf) < 0) { | |
681 | perror(tempMail); | |
682 | return(-1); | |
683 | } | |
684 | } else | |
685 | if (send(&message[*ip-1], obuf) < 0) { | |
686 | perror(tempMail); | |
687 | return(-1); | |
688 | } | |
689 | } | |
690 | printf("\n"); | |
691 | return(0); | |
692 | } | |
693 | ||
694 | /* | |
695 | * Send message described by the passed pointer to the | |
696 | * passed output buffer. Insert a tab in front of each | |
697 | * line. Return a count of the characters sent, or -1 | |
698 | * on error. | |
699 | */ | |
700 | ||
701 | transmit(mailp, obuf) | |
702 | struct message *mailp; | |
703 | FILE *obuf; | |
704 | { | |
705 | register struct message *mp; | |
706 | register int c, ch; | |
707 | int n, bol; | |
708 | FILE *ibuf; | |
709 | ||
710 | mp = mailp; | |
711 | ibuf = setinput(mp); | |
712 | c = msize(mp); | |
713 | n = c; | |
714 | bol = 1; | |
715 | while (c-- > 0) { | |
716 | if (bol) { | |
717 | bol = 0; | |
718 | putc('\t', obuf); | |
719 | n++; | |
720 | if (ferror(obuf)) { | |
721 | perror("/tmp"); | |
722 | return(-1); | |
723 | } | |
724 | } | |
725 | ch = getc(ibuf); | |
726 | if (ch == '\n') | |
727 | bol++; | |
728 | putc(ch, obuf); | |
729 | if (ferror(obuf)) { | |
730 | perror("/tmp"); | |
731 | return(-1); | |
732 | } | |
733 | } | |
734 | return(n); | |
735 | } | |
736 | ||
2d55c063 KS |
737 | /* |
738 | * Print (continue) when continued after ^Z. | |
739 | */ | |
740 | collcont(s) | |
741 | { | |
742 | ||
743 | printf("(continue)\n"); | |
744 | fflush(stdout); | |
745 | } | |
746 | ||
06300dd9 KS |
747 | /* |
748 | * On interrupt, go here to save the partial | |
7feecf47 | 749 | * message on ~/dead.letter. |
06300dd9 KS |
750 | * Then restore signals and execute the normal |
751 | * signal routine. We only come here if signals | |
752 | * were previously set anyway. | |
753 | */ | |
754 | ||
755 | collrub(s) | |
756 | { | |
757 | register FILE *dbuf; | |
758 | register int c; | |
759 | ||
7feecf47 | 760 | if (s == SIGINT && hadintr == 0) { |
06300dd9 KS |
761 | hadintr++; |
762 | clrbuf(stdout); | |
763 | printf("\n(Interrupt -- one more to kill letter)\n"); | |
97bff179 | 764 | sigrelse(s); |
06300dd9 KS |
765 | longjmp(coljmp, 1); |
766 | } | |
767 | fclose(newo); | |
768 | rewind(newi); | |
7feecf47 | 769 | if (s == SIGINT && value("nosave") != NOSTR || fsize(newi) == 0) |
06300dd9 KS |
770 | goto done; |
771 | if ((dbuf = fopen(deadletter, "w")) == NULL) | |
772 | goto done; | |
773 | chmod(deadletter, 0600); | |
774 | while ((c = getc(newi)) != EOF) | |
775 | putc(c, dbuf); | |
776 | fclose(dbuf); | |
777 | ||
778 | done: | |
779 | fclose(newi); | |
7feecf47 KS |
780 | sigset(SIGINT, savesig); |
781 | sigset(SIGHUP, savehup); | |
2d55c063 | 782 | sigset(SIGCONT, savecont); |
7feecf47 KS |
783 | if (rcvmode) { |
784 | if (s == SIGHUP) | |
785 | hangup(SIGHUP); | |
786 | else | |
2d55c063 | 787 | stop(s); |
7feecf47 | 788 | } |
06300dd9 KS |
789 | else |
790 | exit(1); | |
791 | } | |
792 | ||
793 | /* | |
794 | * Acknowledge an interrupt signal from the tty by typing an @ | |
795 | */ | |
796 | ||
797 | intack(s) | |
798 | { | |
799 | ||
06300dd9 KS |
800 | puts("@"); |
801 | fflush(stdout); | |
802 | clearerr(stdin); | |
06300dd9 KS |
803 | } |
804 | ||
805 | /* | |
806 | * Add a string to the end of a header entry field. | |
807 | */ | |
808 | ||
809 | char * | |
810 | addto(hf, news) | |
811 | char hf[], news[]; | |
812 | { | |
813 | register char *cp, *cp2, *linebuf; | |
814 | ||
815 | if (hf == NOSTR) | |
816 | hf = ""; | |
817 | if (*news == '\0') | |
818 | return(hf); | |
819 | linebuf = salloc(strlen(hf) + strlen(news) + 2); | |
820 | for (cp = hf; any(*cp, " \t"); cp++) | |
821 | ; | |
822 | for (cp2 = linebuf; *cp;) | |
823 | *cp2++ = *cp++; | |
824 | *cp2++ = ' '; | |
825 | for (cp = news; any(*cp, " \t"); cp++) | |
826 | ; | |
827 | while (*cp != '\0') | |
828 | *cp2++ = *cp++; | |
829 | *cp2 = '\0'; | |
830 | return(linebuf); | |
831 | } |