Commit | Line | Data |
---|---|---|
9552e6b8 DF |
1 | /* |
2 | * Copyright (c) 1980 Regents of the University of California. | |
3 | * All rights reserved. The Berkeley software License Agreement | |
4 | * specifies the terms and conditions for redistribution. | |
5 | */ | |
6 | ||
2ae9f53f | 7 | #ifndef lint |
2fd8b883 | 8 | static char *sccsid = "@(#)collect.c 5.2 (Berkeley) %G%"; |
9552e6b8 | 9 | #endif not lint |
06300dd9 KS |
10 | |
11 | /* | |
12 | * Mail -- a mail program | |
13 | * | |
14 | * Collect input from standard input, handling | |
15 | * ~ escapes. | |
16 | */ | |
17 | ||
06300dd9 KS |
18 | #include "rcv.h" |
19 | #include <sys/stat.h> | |
20 | ||
21 | /* | |
22 | * Read a message from standard output and return a read file to it | |
23 | * or NULL on error. | |
24 | */ | |
25 | ||
26 | /* | |
27 | * The following hokiness with global variables is so that on | |
28 | * receipt of an interrupt signal, the partial message can be salted | |
29 | * away on dead.letter. The output file must be available to flush, | |
30 | * and the input to read. Several open files could be saved all through | |
31 | * Mail if stdio allowed simultaneous read/write access. | |
32 | */ | |
33 | ||
34 | static int (*savesig)(); /* Previous SIGINT value */ | |
7feecf47 | 35 | static int (*savehup)(); /* Previous SIGHUP value */ |
ea394d88 | 36 | # ifdef VMUNIX |
2d55c063 | 37 | static int (*savecont)(); /* Previous SIGCONT value */ |
ea394d88 | 38 | # endif VMUNIX |
06300dd9 KS |
39 | static FILE *newi; /* File for saving away */ |
40 | static FILE *newo; /* Output side of same */ | |
41 | static int hf; /* Ignore interrups */ | |
06300dd9 KS |
42 | static int hadintr; /* Have seen one SIGINT so far */ |
43 | ||
44 | static jmp_buf coljmp; /* To get back to work */ | |
45 | ||
46 | FILE * | |
47 | collect(hp) | |
48 | struct header *hp; | |
49 | { | |
50 | FILE *ibuf, *fbuf, *obuf; | |
0fa68535 | 51 | int lc, cc, escape, collrub(), intack(), collhup, collcont(), eof; |
06300dd9 KS |
52 | register int c, t; |
53 | char linebuf[LINESIZE], *cp; | |
54 | extern char tempMail[]; | |
97bff179 | 55 | int notify(); |
ea394d88 | 56 | extern collintsig(), collhupsig(); |
4e161d3b | 57 | char getsub; |
06300dd9 KS |
58 | |
59 | noreset++; | |
06300dd9 KS |
60 | ibuf = obuf = NULL; |
61 | if (value("ignore") != NOSTR) | |
62 | hf = 1; | |
63 | else | |
64 | hf = 0; | |
06300dd9 | 65 | hadintr = 0; |
ea394d88 | 66 | # ifdef VMUNIX |
7feecf47 | 67 | if ((savesig = sigset(SIGINT, SIG_IGN)) != SIG_IGN) |
56d6aa4a | 68 | sigset(SIGINT, hf ? intack : collrub), sigblock(sigmask(SIGINT)); |
7feecf47 | 69 | if ((savehup = sigset(SIGHUP, SIG_IGN)) != SIG_IGN) |
56d6aa4a | 70 | sigset(SIGHUP, collrub), sigblock(sigmask(SIGHUP)); |
2d55c063 | 71 | savecont = sigset(SIGCONT, collcont); |
ea394d88 KS |
72 | # else VMUNIX |
73 | savesig = signal(SIGINT, SIG_IGN); | |
74 | savehup = signal(SIGHUP, SIG_IGN); | |
75 | # endif VMUNIX | |
06300dd9 KS |
76 | newi = NULL; |
77 | newo = NULL; | |
78 | if ((obuf = fopen(tempMail, "w")) == NULL) { | |
79 | perror(tempMail); | |
80 | goto err; | |
81 | } | |
82 | newo = obuf; | |
83 | if ((ibuf = fopen(tempMail, "r")) == NULL) { | |
84 | perror(tempMail); | |
85 | newo = NULL; | |
86 | fclose(obuf); | |
87 | goto err; | |
88 | } | |
89 | newi = ibuf; | |
90 | remove(tempMail); | |
91 | ||
92 | /* | |
93 | * If we are going to prompt for a subject, | |
94 | * refrain from printing a newline after | |
95 | * the headers (since some people mind). | |
96 | */ | |
97 | ||
98 | t = GTO|GSUBJECT|GCC|GNL; | |
4e161d3b | 99 | getsub = 0; |
06300dd9 | 100 | if (intty && sflag == NOSTR && hp->h_subject == NOSTR && value("ask")) |
4e161d3b | 101 | t &= ~GNL, getsub++; |
06300dd9 KS |
102 | if (hp->h_seq != 0) { |
103 | puthead(hp, stdout, t); | |
104 | fflush(stdout); | |
105 | } | |
06300dd9 KS |
106 | escape = ESCAPE; |
107 | if ((cp = value("escape")) != NOSTR) | |
108 | escape = *cp; | |
0fa68535 | 109 | eof = 0; |
06300dd9 | 110 | for (;;) { |
56d6aa4a | 111 | int omask = sigblock(0) &~ (sigmask(SIGINT)|sigmask(SIGHUP)); |
4bc721c3 | 112 | |
06300dd9 | 113 | setjmp(coljmp); |
ea394d88 | 114 | # ifdef VMUNIX |
4bc721c3 | 115 | sigsetmask(omask); |
ea394d88 KS |
116 | # else VMUNIX |
117 | if (savesig != SIG_IGN) | |
118 | signal(SIGINT, hf ? intack : collintsig); | |
119 | if (savehup != SIG_IGN) | |
120 | signal(SIGHUP, collhupsig); | |
121 | # endif VMUNIX | |
80187484 | 122 | fflush(stdout); |
4e161d3b RC |
123 | if (getsub) { |
124 | grabh(hp, GSUBJECT); | |
125 | getsub = 0; | |
126 | continue; | |
127 | } | |
0fa68535 KS |
128 | if (readline(stdin, linebuf) <= 0) { |
129 | if (intty && value("ignoreeof") != NOSTR) { | |
130 | if (++eof > 35) | |
131 | break; | |
ef45c47a | 132 | printf("Use \".\" to terminate letter\n", |
0fa68535 KS |
133 | escape); |
134 | continue; | |
135 | } | |
06300dd9 | 136 | break; |
0fa68535 KS |
137 | } |
138 | eof = 0; | |
06300dd9 | 139 | hadintr = 0; |
b068a67e KS |
140 | if (intty && equal(".", linebuf) && |
141 | (value("dot") != NOSTR || value("ignoreeof") != NOSTR)) | |
06300dd9 | 142 | break; |
3dffb9c8 | 143 | if (linebuf[0] != escape || rflag != NOSTR) { |
06300dd9 KS |
144 | if ((t = putline(obuf, linebuf)) < 0) |
145 | goto err; | |
146 | continue; | |
147 | } | |
148 | c = linebuf[1]; | |
06300dd9 KS |
149 | switch (c) { |
150 | default: | |
151 | /* | |
152 | * On double escape, just send the single one. | |
153 | * Otherwise, it's an error. | |
154 | */ | |
155 | ||
156 | if (c == escape) { | |
157 | if (putline(obuf, &linebuf[1]) < 0) | |
158 | goto err; | |
159 | else | |
160 | break; | |
161 | } | |
162 | printf("Unknown tilde escape.\n"); | |
163 | break; | |
164 | ||
165 | case 'C': | |
166 | /* | |
167 | * Dump core. | |
168 | */ | |
169 | ||
170 | core(); | |
171 | break; | |
172 | ||
173 | case '!': | |
174 | /* | |
175 | * Shell escape, send the balance of the | |
176 | * line to sh -c. | |
177 | */ | |
178 | ||
179 | shell(&linebuf[2]); | |
180 | break; | |
181 | ||
182 | case ':': | |
183 | case '_': | |
184 | /* | |
185 | * Escape to command mode, but be nice! | |
186 | */ | |
187 | ||
343c874e | 188 | execute(&linebuf[2], 1); |
20a47dee | 189 | printf("(continue)\n"); |
06300dd9 KS |
190 | break; |
191 | ||
192 | case '.': | |
193 | /* | |
194 | * Simulate end of file on input. | |
195 | */ | |
ea394d88 | 196 | goto eofl; |
06300dd9 KS |
197 | |
198 | case 'q': | |
199 | case 'Q': | |
200 | /* | |
201 | * Force a quit of sending mail. | |
202 | * Act like an interrupt happened. | |
203 | */ | |
204 | ||
06300dd9 KS |
205 | hadintr++; |
206 | collrub(SIGINT); | |
207 | exit(1); | |
208 | ||
209 | case 'h': | |
210 | /* | |
211 | * Grab a bunch of headers. | |
212 | */ | |
213 | if (!intty || !outtty) { | |
214 | printf("~h: no can do!?\n"); | |
215 | break; | |
216 | } | |
217 | grabh(hp, GTO|GSUBJECT|GCC|GBCC); | |
218 | printf("(continue)\n"); | |
219 | break; | |
220 | ||
221 | case 't': | |
222 | /* | |
223 | * Add to the To list. | |
224 | */ | |
225 | ||
226 | hp->h_to = addto(hp->h_to, &linebuf[2]); | |
227 | hp->h_seq++; | |
228 | break; | |
229 | ||
230 | case 's': | |
231 | /* | |
232 | * Set the Subject list. | |
233 | */ | |
234 | ||
235 | cp = &linebuf[2]; | |
236 | while (any(*cp, " \t")) | |
237 | cp++; | |
238 | hp->h_subject = savestr(cp); | |
239 | hp->h_seq++; | |
240 | break; | |
241 | ||
242 | case 'c': | |
243 | /* | |
244 | * Add to the CC list. | |
245 | */ | |
246 | ||
247 | hp->h_cc = addto(hp->h_cc, &linebuf[2]); | |
248 | hp->h_seq++; | |
249 | break; | |
250 | ||
251 | case 'b': | |
252 | /* | |
253 | * Add stuff to blind carbon copies list. | |
254 | */ | |
255 | hp->h_bcc = addto(hp->h_bcc, &linebuf[2]); | |
256 | hp->h_seq++; | |
257 | break; | |
258 | ||
259 | case 'd': | |
260 | copy(deadletter, &linebuf[2]); | |
261 | /* fall into . . . */ | |
262 | ||
263 | case 'r': | |
264 | /* | |
265 | * Invoke a file: | |
266 | * Search for the file name, | |
267 | * then open it and copy the contents to obuf. | |
268 | */ | |
269 | ||
270 | cp = &linebuf[2]; | |
271 | while (any(*cp, " \t")) | |
272 | cp++; | |
273 | if (*cp == '\0') { | |
274 | printf("Interpolate what file?\n"); | |
275 | break; | |
276 | } | |
277 | cp = expand(cp); | |
278 | if (cp == NOSTR) | |
279 | break; | |
280 | if (isdir(cp)) { | |
281 | printf("%s: directory\n"); | |
282 | break; | |
283 | } | |
284 | if ((fbuf = fopen(cp, "r")) == NULL) { | |
285 | perror(cp); | |
286 | break; | |
287 | } | |
288 | printf("\"%s\" ", cp); | |
80187484 | 289 | fflush(stdout); |
06300dd9 KS |
290 | lc = 0; |
291 | cc = 0; | |
292 | while (readline(fbuf, linebuf) > 0) { | |
293 | lc++; | |
294 | if ((t = putline(obuf, linebuf)) < 0) { | |
295 | fclose(fbuf); | |
296 | goto err; | |
297 | } | |
298 | cc += t; | |
299 | } | |
300 | fclose(fbuf); | |
301 | printf("%d/%d\n", lc, cc); | |
302 | break; | |
303 | ||
304 | case 'w': | |
305 | /* | |
306 | * Write the message on a file. | |
307 | */ | |
308 | ||
309 | cp = &linebuf[2]; | |
310 | while (any(*cp, " \t")) | |
311 | cp++; | |
312 | if (*cp == '\0') { | |
313 | fprintf(stderr, "Write what file!?\n"); | |
314 | break; | |
315 | } | |
316 | if ((cp = expand(cp)) == NOSTR) | |
317 | break; | |
318 | fflush(obuf); | |
319 | rewind(ibuf); | |
320 | exwrite(cp, ibuf, 1); | |
321 | break; | |
322 | ||
323 | case 'm': | |
324 | case 'f': | |
325 | /* | |
326 | * Interpolate the named messages, if we | |
327 | * are in receiving mail mode. Does the | |
328 | * standard list processing garbage. | |
329 | * If ~f is given, we don't shift over. | |
330 | */ | |
331 | ||
332 | if (!rcvmode) { | |
333 | printf("No messages to send from!?!\n"); | |
334 | break; | |
335 | } | |
336 | cp = &linebuf[2]; | |
337 | while (any(*cp, " \t")) | |
338 | cp++; | |
339 | if (forward(cp, obuf, c) < 0) | |
340 | goto err; | |
341 | printf("(continue)\n"); | |
342 | break; | |
343 | ||
344 | case '?': | |
06300dd9 | 345 | if ((fbuf = fopen(THELPFILE, "r")) == NULL) { |
e5cd0021 | 346 | perror(THELPFILE); |
06300dd9 KS |
347 | break; |
348 | } | |
349 | t = getc(fbuf); | |
350 | while (t != -1) { | |
351 | putchar(t); | |
352 | t = getc(fbuf); | |
353 | } | |
354 | fclose(fbuf); | |
355 | break; | |
356 | ||
357 | case 'p': | |
358 | /* | |
359 | * Print out the current state of the | |
360 | * message without altering anything. | |
361 | */ | |
362 | ||
363 | fflush(obuf); | |
364 | rewind(ibuf); | |
06300dd9 KS |
365 | printf("-------\nMessage contains:\n"); |
366 | puthead(hp, stdout, GTO|GSUBJECT|GCC|GBCC|GNL); | |
367 | t = getc(ibuf); | |
368 | while (t != EOF) { | |
369 | putchar(t); | |
370 | t = getc(ibuf); | |
371 | } | |
372 | printf("(continue)\n"); | |
373 | break; | |
374 | ||
375 | case '^': | |
376 | case '|': | |
377 | /* | |
378 | * Pipe message through command. | |
379 | * Collect output as new message. | |
380 | */ | |
381 | ||
382 | obuf = mespipe(ibuf, obuf, &linebuf[2]); | |
383 | newo = obuf; | |
384 | ibuf = newi; | |
385 | newi = ibuf; | |
386 | printf("(continue)\n"); | |
387 | break; | |
388 | ||
389 | case 'v': | |
390 | case 'e': | |
391 | /* | |
392 | * Edit the current message. | |
393 | * 'e' means to use EDITOR | |
394 | * 'v' means to use VISUAL | |
395 | */ | |
396 | ||
397 | if ((obuf = mesedit(ibuf, obuf, c)) == NULL) | |
398 | goto err; | |
399 | newo = obuf; | |
400 | ibuf = newi; | |
401 | printf("(continue)\n"); | |
402 | break; | |
06300dd9 KS |
403 | } |
404 | } | |
ea394d88 | 405 | eofl: |
06300dd9 KS |
406 | fclose(obuf); |
407 | rewind(ibuf); | |
7feecf47 KS |
408 | sigset(SIGINT, savesig); |
409 | sigset(SIGHUP, savehup); | |
ea394d88 | 410 | # ifdef VMUNIX |
97bff179 | 411 | sigset(SIGCONT, savecont); |
4bc721c3 | 412 | sigsetmask(0); |
ea394d88 | 413 | # endif VMUNIX |
06300dd9 KS |
414 | noreset = 0; |
415 | return(ibuf); | |
416 | ||
417 | err: | |
418 | if (ibuf != NULL) | |
419 | fclose(ibuf); | |
420 | if (obuf != NULL) | |
421 | fclose(obuf); | |
7feecf47 KS |
422 | sigset(SIGINT, savesig); |
423 | sigset(SIGHUP, savehup); | |
ea394d88 | 424 | # ifdef VMUNIX |
2d55c063 | 425 | sigset(SIGCONT, savecont); |
4bc721c3 | 426 | sigsetmask(0); |
ea394d88 | 427 | # endif VMUNIX |
06300dd9 KS |
428 | noreset = 0; |
429 | return(NULL); | |
430 | } | |
431 | ||
432 | /* | |
433 | * Non destructively interrogate the value of the given signal. | |
434 | */ | |
435 | ||
436 | psig(n) | |
437 | { | |
438 | register (*wassig)(); | |
439 | ||
7feecf47 KS |
440 | wassig = sigset(n, SIG_IGN); |
441 | sigset(n, wassig); | |
06300dd9 KS |
442 | return((int) wassig); |
443 | } | |
444 | ||
445 | /* | |
446 | * Write a file, ex-like if f set. | |
447 | */ | |
448 | ||
449 | exwrite(name, ibuf, f) | |
450 | char name[]; | |
451 | FILE *ibuf; | |
452 | { | |
453 | register FILE *of; | |
454 | register int c; | |
455 | long cc; | |
456 | int lc; | |
457 | struct stat junk; | |
458 | ||
459 | if (f) { | |
460 | printf("\"%s\" ", name); | |
461 | fflush(stdout); | |
462 | } | |
6d1cdf8d | 463 | if (stat(name, &junk) >= 0 && (junk.st_mode & S_IFMT) == S_IFREG) { |
06300dd9 KS |
464 | if (!f) |
465 | fprintf(stderr, "%s: ", name); | |
466 | fprintf(stderr, "File exists\n", name); | |
467 | return(-1); | |
468 | } | |
469 | if ((of = fopen(name, "w")) == NULL) { | |
470 | perror(NOSTR); | |
471 | return(-1); | |
472 | } | |
473 | lc = 0; | |
474 | cc = 0; | |
475 | while ((c = getc(ibuf)) != EOF) { | |
476 | cc++; | |
477 | if (c == '\n') | |
478 | lc++; | |
479 | putc(c, of); | |
480 | if (ferror(of)) { | |
481 | perror(name); | |
482 | fclose(of); | |
483 | return(-1); | |
484 | } | |
485 | } | |
486 | fclose(of); | |
487 | printf("%d/%ld\n", lc, cc); | |
488 | fflush(stdout); | |
489 | return(0); | |
490 | } | |
491 | ||
492 | /* | |
493 | * Edit the message being collected on ibuf and obuf. | |
494 | * Write the message out onto some poorly-named temp file | |
495 | * and point an editor at it. | |
496 | * | |
497 | * On return, make the edit file the new temp file. | |
498 | */ | |
499 | ||
500 | FILE * | |
501 | mesedit(ibuf, obuf, c) | |
502 | FILE *ibuf, *obuf; | |
503 | { | |
504 | int pid, s; | |
505 | FILE *fbuf; | |
506 | register int t; | |
5deb0e1e | 507 | int (*sig)(), (*scont)(), signull(); |
06300dd9 KS |
508 | struct stat sbuf; |
509 | extern char tempMail[], tempEdit[]; | |
510 | register char *edit; | |
511 | ||
7feecf47 | 512 | sig = sigset(SIGINT, SIG_IGN); |
ea394d88 | 513 | # ifdef VMUNIX |
5deb0e1e | 514 | scont = sigset(SIGCONT, signull); |
ea394d88 | 515 | # endif VMUNIX |
06300dd9 KS |
516 | if (stat(tempEdit, &sbuf) >= 0) { |
517 | printf("%s: file exists\n", tempEdit); | |
518 | goto out; | |
519 | } | |
520 | close(creat(tempEdit, 0600)); | |
521 | if ((fbuf = fopen(tempEdit, "w")) == NULL) { | |
522 | perror(tempEdit); | |
523 | goto out; | |
524 | } | |
525 | fflush(obuf); | |
526 | rewind(ibuf); | |
527 | t = getc(ibuf); | |
528 | while (t != EOF) { | |
529 | putc(t, fbuf); | |
530 | t = getc(ibuf); | |
531 | } | |
532 | fflush(fbuf); | |
533 | if (ferror(fbuf)) { | |
534 | perror(tempEdit); | |
535 | remove(tempEdit); | |
536 | goto fix; | |
537 | } | |
538 | fclose(fbuf); | |
539 | if ((edit = value(c == 'e' ? "EDITOR" : "VISUAL")) == NOSTR) | |
540 | edit = c == 'e' ? EDITOR : VISUAL; | |
541 | pid = vfork(); | |
542 | if (pid == 0) { | |
5388d5b8 | 543 | sigchild(); |
06300dd9 | 544 | if (sig != SIG_IGN) |
7feecf47 | 545 | sigsys(SIGINT, SIG_DFL); |
06300dd9 KS |
546 | execl(edit, edit, tempEdit, 0); |
547 | perror(edit); | |
548 | _exit(1); | |
549 | } | |
550 | if (pid == -1) { | |
551 | perror("fork"); | |
552 | remove(tempEdit); | |
553 | goto out; | |
554 | } | |
555 | while (wait(&s) != pid) | |
556 | ; | |
5b0c1c37 | 557 | if ((s & 0377) != 0) { |
06300dd9 KS |
558 | printf("Fatal error in \"%s\"\n", edit); |
559 | remove(tempEdit); | |
560 | goto out; | |
561 | } | |
562 | ||
563 | /* | |
564 | * Now switch to new file. | |
565 | */ | |
566 | ||
567 | if ((fbuf = fopen(tempEdit, "a")) == NULL) { | |
568 | perror(tempEdit); | |
569 | remove(tempEdit); | |
570 | goto out; | |
571 | } | |
572 | if ((ibuf = fopen(tempEdit, "r")) == NULL) { | |
573 | perror(tempEdit); | |
574 | fclose(fbuf); | |
575 | remove(tempEdit); | |
576 | goto out; | |
577 | } | |
578 | remove(tempEdit); | |
579 | fclose(obuf); | |
580 | fclose(newi); | |
581 | obuf = fbuf; | |
582 | goto out; | |
583 | fix: | |
584 | perror(tempEdit); | |
585 | out: | |
ea394d88 | 586 | # ifdef VMUNIX |
97bff179 | 587 | sigset(SIGCONT, scont); |
ea394d88 | 588 | # endif VMUNIX |
7feecf47 | 589 | sigset(SIGINT, sig); |
06300dd9 KS |
590 | newi = ibuf; |
591 | return(obuf); | |
592 | } | |
593 | ||
594 | /* | |
595 | * Pipe the message through the command. | |
596 | * Old message is on stdin of command; | |
597 | * New message collected from stdout. | |
598 | * Sh -c must return 0 to accept the new message. | |
599 | */ | |
600 | ||
601 | FILE * | |
602 | mespipe(ibuf, obuf, cmd) | |
603 | FILE *ibuf, *obuf; | |
604 | char cmd[]; | |
605 | { | |
606 | register FILE *ni, *no; | |
607 | int pid, s; | |
608 | int (*savesig)(); | |
609 | char *Shell; | |
610 | ||
611 | newi = ibuf; | |
612 | if ((no = fopen(tempEdit, "w")) == NULL) { | |
613 | perror(tempEdit); | |
614 | return(obuf); | |
615 | } | |
616 | if ((ni = fopen(tempEdit, "r")) == NULL) { | |
617 | perror(tempEdit); | |
618 | fclose(no); | |
619 | remove(tempEdit); | |
620 | return(obuf); | |
621 | } | |
622 | remove(tempEdit); | |
7feecf47 | 623 | savesig = sigset(SIGINT, SIG_IGN); |
06300dd9 KS |
624 | fflush(obuf); |
625 | rewind(ibuf); | |
626 | if ((Shell = value("SHELL")) == NULL) | |
627 | Shell = "/bin/sh"; | |
628 | if ((pid = vfork()) == -1) { | |
629 | perror("fork"); | |
630 | goto err; | |
631 | } | |
632 | if (pid == 0) { | |
633 | /* | |
634 | * stdin = current message. | |
635 | * stdout = new message. | |
636 | */ | |
637 | ||
5388d5b8 | 638 | sigchild(); |
06300dd9 KS |
639 | close(0); |
640 | dup(fileno(ibuf)); | |
641 | close(1); | |
642 | dup(fileno(no)); | |
643 | for (s = 4; s < 15; s++) | |
644 | close(s); | |
645 | execl(Shell, Shell, "-c", cmd, 0); | |
646 | perror(Shell); | |
647 | _exit(1); | |
648 | } | |
649 | while (wait(&s) != pid) | |
650 | ; | |
651 | if (s != 0 || pid == -1) { | |
652 | fprintf(stderr, "\"%s\" failed!?\n", cmd); | |
653 | goto err; | |
654 | } | |
655 | if (fsize(ni) == 0) { | |
656 | fprintf(stderr, "No bytes from \"%s\" !?\n", cmd); | |
657 | goto err; | |
658 | } | |
659 | ||
660 | /* | |
661 | * Take new files. | |
662 | */ | |
663 | ||
664 | newi = ni; | |
665 | fclose(ibuf); | |
666 | fclose(obuf); | |
7feecf47 | 667 | sigset(SIGINT, savesig); |
06300dd9 KS |
668 | return(no); |
669 | ||
670 | err: | |
671 | fclose(no); | |
672 | fclose(ni); | |
7feecf47 | 673 | sigset(SIGINT, savesig); |
06300dd9 KS |
674 | return(obuf); |
675 | } | |
676 | ||
677 | /* | |
678 | * Interpolate the named messages into the current | |
679 | * message, preceding each line with a tab. | |
680 | * Return a count of the number of characters now in | |
681 | * the message, or -1 if an error is encountered writing | |
682 | * the message temporary. The flag argument is 'm' if we | |
683 | * should shift over and 'f' if not. | |
684 | */ | |
06300dd9 KS |
685 | forward(ms, obuf, f) |
686 | char ms[]; | |
687 | FILE *obuf; | |
688 | { | |
689 | register int *msgvec, *ip; | |
690 | extern char tempMail[]; | |
691 | ||
692 | msgvec = (int *) salloc((msgCount+1) * sizeof *msgvec); | |
693 | if (msgvec == (int *) NOSTR) | |
694 | return(0); | |
695 | if (getmsglist(ms, msgvec, 0) < 0) | |
696 | return(0); | |
697 | if (*msgvec == NULL) { | |
698 | *msgvec = first(0, MMNORM); | |
699 | if (*msgvec == NULL) { | |
700 | printf("No appropriate messages\n"); | |
701 | return(0); | |
702 | } | |
703 | msgvec[1] = NULL; | |
704 | } | |
705 | printf("Interpolating:"); | |
706 | for (ip = msgvec; *ip != NULL; ip++) { | |
707 | touch(*ip); | |
708 | printf(" %d", *ip); | |
709 | if (f == 'm') { | |
5deb0e1e | 710 | if (transmit(&message[*ip-1], obuf) < 0L) { |
06300dd9 KS |
711 | perror(tempMail); |
712 | return(-1); | |
713 | } | |
714 | } else | |
99f2cebd | 715 | if (send(&message[*ip-1], obuf, 0) < 0) { |
06300dd9 KS |
716 | perror(tempMail); |
717 | return(-1); | |
718 | } | |
719 | } | |
720 | printf("\n"); | |
721 | return(0); | |
722 | } | |
723 | ||
724 | /* | |
725 | * Send message described by the passed pointer to the | |
726 | * passed output buffer. Insert a tab in front of each | |
727 | * line. Return a count of the characters sent, or -1 | |
728 | * on error. | |
729 | */ | |
730 | ||
5deb0e1e | 731 | long |
06300dd9 KS |
732 | transmit(mailp, obuf) |
733 | struct message *mailp; | |
734 | FILE *obuf; | |
735 | { | |
736 | register struct message *mp; | |
5deb0e1e CS |
737 | register int ch; |
738 | long c, n; | |
739 | int bol; | |
06300dd9 KS |
740 | FILE *ibuf; |
741 | ||
742 | mp = mailp; | |
743 | ibuf = setinput(mp); | |
5deb0e1e | 744 | c = mp->m_size; |
06300dd9 KS |
745 | n = c; |
746 | bol = 1; | |
5deb0e1e | 747 | while (c-- > 0L) { |
06300dd9 KS |
748 | if (bol) { |
749 | bol = 0; | |
750 | putc('\t', obuf); | |
751 | n++; | |
752 | if (ferror(obuf)) { | |
753 | perror("/tmp"); | |
5deb0e1e | 754 | return(-1L); |
06300dd9 KS |
755 | } |
756 | } | |
757 | ch = getc(ibuf); | |
758 | if (ch == '\n') | |
759 | bol++; | |
760 | putc(ch, obuf); | |
761 | if (ferror(obuf)) { | |
762 | perror("/tmp"); | |
5deb0e1e | 763 | return(-1L); |
06300dd9 KS |
764 | } |
765 | } | |
766 | return(n); | |
767 | } | |
768 | ||
2d55c063 KS |
769 | /* |
770 | * Print (continue) when continued after ^Z. | |
771 | */ | |
772 | collcont(s) | |
773 | { | |
774 | ||
775 | printf("(continue)\n"); | |
776 | fflush(stdout); | |
777 | } | |
778 | ||
06300dd9 KS |
779 | /* |
780 | * On interrupt, go here to save the partial | |
7feecf47 | 781 | * message on ~/dead.letter. |
06300dd9 KS |
782 | * Then restore signals and execute the normal |
783 | * signal routine. We only come here if signals | |
784 | * were previously set anyway. | |
785 | */ | |
786 | ||
ea394d88 KS |
787 | # ifndef VMUNIX |
788 | collintsig() | |
789 | { | |
790 | signal(SIGINT, SIG_IGN); | |
791 | collrub(SIGINT); | |
792 | } | |
793 | ||
794 | collhupsig() | |
795 | { | |
796 | signal(SIGHUP, SIG_IGN); | |
797 | collrub(SIGHUP); | |
798 | } | |
799 | # endif VMUNIX | |
800 | ||
06300dd9 KS |
801 | collrub(s) |
802 | { | |
803 | register FILE *dbuf; | |
804 | register int c; | |
805 | ||
7feecf47 | 806 | if (s == SIGINT && hadintr == 0) { |
06300dd9 | 807 | hadintr++; |
80187484 RC |
808 | fflush(stdout); |
809 | fprintf(stderr, "\n(Interrupt -- one more to kill letter)\n"); | |
06300dd9 KS |
810 | longjmp(coljmp, 1); |
811 | } | |
812 | fclose(newo); | |
813 | rewind(newi); | |
7feecf47 | 814 | if (s == SIGINT && value("nosave") != NOSTR || fsize(newi) == 0) |
06300dd9 KS |
815 | goto done; |
816 | if ((dbuf = fopen(deadletter, "w")) == NULL) | |
817 | goto done; | |
818 | chmod(deadletter, 0600); | |
819 | while ((c = getc(newi)) != EOF) | |
820 | putc(c, dbuf); | |
821 | fclose(dbuf); | |
822 | ||
823 | done: | |
824 | fclose(newi); | |
7feecf47 KS |
825 | sigset(SIGINT, savesig); |
826 | sigset(SIGHUP, savehup); | |
ea394d88 | 827 | # ifdef VMUNIX |
2d55c063 | 828 | sigset(SIGCONT, savecont); |
ea394d88 | 829 | # endif VMUNIX |
7feecf47 KS |
830 | if (rcvmode) { |
831 | if (s == SIGHUP) | |
832 | hangup(SIGHUP); | |
833 | else | |
2d55c063 | 834 | stop(s); |
7feecf47 | 835 | } |
06300dd9 KS |
836 | else |
837 | exit(1); | |
838 | } | |
839 | ||
840 | /* | |
841 | * Acknowledge an interrupt signal from the tty by typing an @ | |
842 | */ | |
843 | ||
844 | intack(s) | |
845 | { | |
846 | ||
06300dd9 KS |
847 | puts("@"); |
848 | fflush(stdout); | |
849 | clearerr(stdin); | |
06300dd9 KS |
850 | } |
851 | ||
852 | /* | |
853 | * Add a string to the end of a header entry field. | |
854 | */ | |
855 | ||
856 | char * | |
857 | addto(hf, news) | |
858 | char hf[], news[]; | |
859 | { | |
860 | register char *cp, *cp2, *linebuf; | |
861 | ||
862 | if (hf == NOSTR) | |
863 | hf = ""; | |
864 | if (*news == '\0') | |
865 | return(hf); | |
866 | linebuf = salloc(strlen(hf) + strlen(news) + 2); | |
867 | for (cp = hf; any(*cp, " \t"); cp++) | |
868 | ; | |
869 | for (cp2 = linebuf; *cp;) | |
870 | *cp2++ = *cp++; | |
871 | *cp2++ = ' '; | |
872 | for (cp = news; any(*cp, " \t"); cp++) | |
873 | ; | |
874 | while (*cp != '\0') | |
875 | *cp2++ = *cp++; | |
876 | *cp2 = '\0'; | |
877 | return(linebuf); | |
878 | } |