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 |
828615a1 | 8 | static char *sccsid = "@(#)collect.c 5.3 (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> | |
828615a1 | 20 | #include <sys/wait.h> |
06300dd9 KS |
21 | |
22 | /* | |
23 | * Read a message from standard output and return a read file to it | |
24 | * or NULL on error. | |
25 | */ | |
26 | ||
27 | /* | |
28 | * The following hokiness with global variables is so that on | |
29 | * receipt of an interrupt signal, the partial message can be salted | |
828615a1 | 30 | * away on dead.letter. |
06300dd9 KS |
31 | */ |
32 | ||
828615a1 | 33 | static int (*saveint)(); /* Previous SIGINT value */ |
7feecf47 | 34 | static int (*savehup)(); /* Previous SIGHUP value */ |
2d55c063 | 35 | static int (*savecont)(); /* Previous SIGCONT value */ |
828615a1 | 36 | static FILE *collf; /* File for saving away */ |
06300dd9 KS |
37 | static int hadintr; /* Have seen one SIGINT so far */ |
38 | ||
39 | static jmp_buf coljmp; /* To get back to work */ | |
40 | ||
41 | FILE * | |
42 | collect(hp) | |
43 | struct header *hp; | |
44 | { | |
828615a1 EW |
45 | FILE *fp, *fbuf; |
46 | int lc, cc, escape, eof; | |
47 | int collrub(), intack(), collcont(); | |
06300dd9 KS |
48 | register int c, t; |
49 | char linebuf[LINESIZE], *cp; | |
50 | extern char tempMail[]; | |
97bff179 | 51 | int notify(); |
4e161d3b | 52 | char getsub; |
828615a1 | 53 | int omask; |
06300dd9 KS |
54 | |
55 | noreset++; | |
828615a1 EW |
56 | fp = NULL; |
57 | collf = NULL; | |
58 | ||
59 | /* | |
60 | * Start catching signals from here, but we're still die on interrupts | |
61 | * until we're in the main loop. | |
62 | */ | |
63 | omask = sigblock(sigmask(SIGINT) | sigmask(SIGHUP)); | |
64 | if ((saveint = signal(SIGINT, SIG_IGN)) != SIG_IGN) | |
65 | signal(SIGINT, value("ignore") != NOSTR ? intack : collrub); | |
66 | if ((savehup = signal(SIGHUP, SIG_IGN)) != SIG_IGN) | |
67 | signal(SIGHUP, collrub); | |
68 | savecont = signal(SIGCONT, SIG_DFL); | |
69 | if (setjmp(coljmp)) { | |
70 | remove(tempMail); | |
06300dd9 KS |
71 | goto err; |
72 | } | |
828615a1 EW |
73 | sigsetmask(omask & ~(sigmask(SIGINT) | sigmask(SIGHUP))); |
74 | ||
75 | if ((fp = fopen(tempMail, "w+")) == NULL) { | |
06300dd9 | 76 | perror(tempMail); |
06300dd9 KS |
77 | goto err; |
78 | } | |
828615a1 | 79 | collf = fp; |
06300dd9 KS |
80 | remove(tempMail); |
81 | ||
82 | /* | |
83 | * If we are going to prompt for a subject, | |
84 | * refrain from printing a newline after | |
85 | * the headers (since some people mind). | |
86 | */ | |
06300dd9 | 87 | t = GTO|GSUBJECT|GCC|GNL; |
4e161d3b | 88 | getsub = 0; |
06300dd9 | 89 | if (intty && sflag == NOSTR && hp->h_subject == NOSTR && value("ask")) |
4e161d3b | 90 | t &= ~GNL, getsub++; |
06300dd9 KS |
91 | if (hp->h_seq != 0) { |
92 | puthead(hp, stdout, t); | |
93 | fflush(stdout); | |
94 | } | |
06300dd9 KS |
95 | escape = ESCAPE; |
96 | if ((cp = value("escape")) != NOSTR) | |
97 | escape = *cp; | |
0fa68535 | 98 | eof = 0; |
828615a1 EW |
99 | hadintr = 0; |
100 | ||
101 | /* | |
102 | * We can put the setjmp here because register variable | |
103 | * needs to be saved in the loop. | |
104 | */ | |
105 | if (!setjmp(coljmp)) { | |
106 | signal(SIGCONT, collcont); | |
107 | if (getsub) | |
4e161d3b | 108 | grabh(hp, GSUBJECT); |
828615a1 EW |
109 | } else { |
110 | /* | |
111 | * Come here for printing the after-signal message. | |
112 | * Duplicate messages won't be printed because | |
113 | * the write is aborted if we get a SIGTTOU. | |
114 | */ | |
115 | cont: | |
116 | if (hadintr) { | |
117 | fflush(stdout); | |
118 | fprintf(stderr, | |
119 | "\n(Interrupt -- one more to kill letter)\n"); | |
120 | } else { | |
121 | printf("(continue)\n"); | |
122 | fflush(stdout); | |
4e161d3b | 123 | } |
828615a1 EW |
124 | } |
125 | for (;;) { | |
126 | if (readline(stdin, linebuf) < 0) { | |
0fa68535 KS |
127 | if (intty && value("ignoreeof") != NOSTR) { |
128 | if (++eof > 35) | |
129 | break; | |
828615a1 | 130 | printf("Use \".\" to terminate letter\n"); |
0fa68535 KS |
131 | continue; |
132 | } | |
06300dd9 | 133 | break; |
0fa68535 KS |
134 | } |
135 | eof = 0; | |
06300dd9 | 136 | hadintr = 0; |
b068a67e KS |
137 | if (intty && equal(".", linebuf) && |
138 | (value("dot") != NOSTR || value("ignoreeof") != NOSTR)) | |
06300dd9 | 139 | break; |
3dffb9c8 | 140 | if (linebuf[0] != escape || rflag != NOSTR) { |
828615a1 | 141 | if (putline(fp, linebuf) < 0) |
06300dd9 KS |
142 | goto err; |
143 | continue; | |
144 | } | |
145 | c = linebuf[1]; | |
06300dd9 KS |
146 | switch (c) { |
147 | default: | |
148 | /* | |
149 | * On double escape, just send the single one. | |
150 | * Otherwise, it's an error. | |
151 | */ | |
152 | ||
153 | if (c == escape) { | |
828615a1 | 154 | if (putline(fp, &linebuf[1]) < 0) |
06300dd9 KS |
155 | goto err; |
156 | else | |
157 | break; | |
158 | } | |
159 | printf("Unknown tilde escape.\n"); | |
160 | break; | |
161 | ||
162 | case 'C': | |
163 | /* | |
164 | * Dump core. | |
165 | */ | |
166 | ||
167 | core(); | |
168 | break; | |
169 | ||
170 | case '!': | |
171 | /* | |
172 | * Shell escape, send the balance of the | |
173 | * line to sh -c. | |
174 | */ | |
175 | ||
176 | shell(&linebuf[2]); | |
177 | break; | |
178 | ||
179 | case ':': | |
180 | case '_': | |
181 | /* | |
182 | * Escape to command mode, but be nice! | |
183 | */ | |
184 | ||
343c874e | 185 | execute(&linebuf[2], 1); |
828615a1 | 186 | goto cont; |
06300dd9 KS |
187 | |
188 | case '.': | |
189 | /* | |
190 | * Simulate end of file on input. | |
191 | */ | |
828615a1 | 192 | goto out; |
06300dd9 KS |
193 | |
194 | case 'q': | |
195 | case 'Q': | |
196 | /* | |
197 | * Force a quit of sending mail. | |
198 | * Act like an interrupt happened. | |
199 | */ | |
200 | ||
06300dd9 KS |
201 | hadintr++; |
202 | collrub(SIGINT); | |
203 | exit(1); | |
204 | ||
205 | case 'h': | |
206 | /* | |
207 | * Grab a bunch of headers. | |
208 | */ | |
209 | if (!intty || !outtty) { | |
210 | printf("~h: no can do!?\n"); | |
211 | break; | |
212 | } | |
213 | grabh(hp, GTO|GSUBJECT|GCC|GBCC); | |
828615a1 | 214 | goto cont; |
06300dd9 KS |
215 | |
216 | case 't': | |
217 | /* | |
218 | * Add to the To list. | |
219 | */ | |
220 | ||
221 | hp->h_to = addto(hp->h_to, &linebuf[2]); | |
222 | hp->h_seq++; | |
223 | break; | |
224 | ||
225 | case 's': | |
226 | /* | |
227 | * Set the Subject list. | |
228 | */ | |
229 | ||
230 | cp = &linebuf[2]; | |
828615a1 | 231 | while (isspace(*cp)) |
06300dd9 KS |
232 | cp++; |
233 | hp->h_subject = savestr(cp); | |
234 | hp->h_seq++; | |
235 | break; | |
236 | ||
237 | case 'c': | |
238 | /* | |
239 | * Add to the CC list. | |
240 | */ | |
241 | ||
242 | hp->h_cc = addto(hp->h_cc, &linebuf[2]); | |
243 | hp->h_seq++; | |
244 | break; | |
245 | ||
246 | case 'b': | |
247 | /* | |
248 | * Add stuff to blind carbon copies list. | |
249 | */ | |
250 | hp->h_bcc = addto(hp->h_bcc, &linebuf[2]); | |
251 | hp->h_seq++; | |
252 | break; | |
253 | ||
254 | case 'd': | |
828615a1 | 255 | strcpy(linebuf + 2, deadletter); |
06300dd9 KS |
256 | /* fall into . . . */ |
257 | ||
258 | case 'r': | |
259 | /* | |
260 | * Invoke a file: | |
261 | * Search for the file name, | |
828615a1 | 262 | * then open it and copy the contents to fp. |
06300dd9 KS |
263 | */ |
264 | ||
265 | cp = &linebuf[2]; | |
828615a1 | 266 | while (isspace(*cp)) |
06300dd9 KS |
267 | cp++; |
268 | if (*cp == '\0') { | |
269 | printf("Interpolate what file?\n"); | |
270 | break; | |
271 | } | |
272 | cp = expand(cp); | |
273 | if (cp == NOSTR) | |
274 | break; | |
275 | if (isdir(cp)) { | |
828615a1 | 276 | printf("%s: Directory\n", cp); |
06300dd9 KS |
277 | break; |
278 | } | |
279 | if ((fbuf = fopen(cp, "r")) == NULL) { | |
280 | perror(cp); | |
281 | break; | |
282 | } | |
283 | printf("\"%s\" ", cp); | |
80187484 | 284 | fflush(stdout); |
06300dd9 KS |
285 | lc = 0; |
286 | cc = 0; | |
828615a1 | 287 | while (readline(fbuf, linebuf) >= 0) { |
06300dd9 | 288 | lc++; |
828615a1 | 289 | if ((t = putline(fp, linebuf)) < 0) { |
06300dd9 KS |
290 | fclose(fbuf); |
291 | goto err; | |
292 | } | |
293 | cc += t; | |
294 | } | |
295 | fclose(fbuf); | |
296 | printf("%d/%d\n", lc, cc); | |
297 | break; | |
298 | ||
299 | case 'w': | |
300 | /* | |
301 | * Write the message on a file. | |
302 | */ | |
303 | ||
304 | cp = &linebuf[2]; | |
305 | while (any(*cp, " \t")) | |
306 | cp++; | |
307 | if (*cp == '\0') { | |
308 | fprintf(stderr, "Write what file!?\n"); | |
309 | break; | |
310 | } | |
311 | if ((cp = expand(cp)) == NOSTR) | |
312 | break; | |
828615a1 EW |
313 | rewind(fp); |
314 | exwrite(cp, fp, 1); | |
06300dd9 KS |
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++; | |
828615a1 | 333 | if (forward(cp, fp, c) < 0) |
06300dd9 | 334 | goto err; |
828615a1 | 335 | goto cont; |
06300dd9 KS |
336 | |
337 | case '?': | |
06300dd9 | 338 | if ((fbuf = fopen(THELPFILE, "r")) == NULL) { |
e5cd0021 | 339 | perror(THELPFILE); |
06300dd9 KS |
340 | break; |
341 | } | |
828615a1 | 342 | while ((t = getc(fp)) != EOF) |
06300dd9 | 343 | putchar(t); |
06300dd9 KS |
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 | ||
828615a1 | 353 | rewind(fp); |
06300dd9 KS |
354 | printf("-------\nMessage contains:\n"); |
355 | puthead(hp, stdout, GTO|GSUBJECT|GCC|GBCC|GNL); | |
828615a1 | 356 | while ((t = getc(fp)) != EOF) |
06300dd9 | 357 | putchar(t); |
828615a1 | 358 | goto cont; |
06300dd9 KS |
359 | |
360 | case '^': | |
361 | case '|': | |
362 | /* | |
363 | * Pipe message through command. | |
364 | * Collect output as new message. | |
365 | */ | |
366 | ||
828615a1 EW |
367 | rewind(fp); |
368 | fp = mespipe(fp, &linebuf[2]); | |
369 | goto cont; | |
06300dd9 KS |
370 | |
371 | case 'v': | |
372 | case 'e': | |
373 | /* | |
374 | * Edit the current message. | |
375 | * 'e' means to use EDITOR | |
376 | * 'v' means to use VISUAL | |
377 | */ | |
378 | ||
828615a1 EW |
379 | rewind(fp); |
380 | if ((fp = mesedit(fp, c)) == NULL) | |
06300dd9 | 381 | goto err; |
828615a1 | 382 | goto cont; |
06300dd9 KS |
383 | } |
384 | } | |
828615a1 | 385 | goto out; |
06300dd9 | 386 | err: |
828615a1 EW |
387 | if (fp != NULL) { |
388 | fclose(fp); | |
389 | fp = NULL; | |
390 | } | |
391 | out: | |
392 | if (fp != NULL) | |
393 | rewind(fp); | |
394 | signal(SIGINT, saveint); | |
395 | signal(SIGHUP, savehup); | |
396 | signal(SIGCONT, savecont); | |
397 | sigsetmask(omask); | |
06300dd9 | 398 | noreset = 0; |
828615a1 | 399 | return(fp); |
06300dd9 KS |
400 | } |
401 | ||
402 | /* | |
403 | * Write a file, ex-like if f set. | |
404 | */ | |
405 | ||
828615a1 | 406 | exwrite(name, fp, f) |
06300dd9 | 407 | char name[]; |
828615a1 | 408 | FILE *fp; |
06300dd9 KS |
409 | { |
410 | register FILE *of; | |
411 | register int c; | |
412 | long cc; | |
413 | int lc; | |
414 | struct stat junk; | |
415 | ||
416 | if (f) { | |
417 | printf("\"%s\" ", name); | |
418 | fflush(stdout); | |
419 | } | |
6d1cdf8d | 420 | if (stat(name, &junk) >= 0 && (junk.st_mode & S_IFMT) == S_IFREG) { |
06300dd9 KS |
421 | if (!f) |
422 | fprintf(stderr, "%s: ", name); | |
828615a1 | 423 | fprintf(stderr, "File exists\n"); |
06300dd9 KS |
424 | return(-1); |
425 | } | |
426 | if ((of = fopen(name, "w")) == NULL) { | |
427 | perror(NOSTR); | |
428 | return(-1); | |
429 | } | |
430 | lc = 0; | |
431 | cc = 0; | |
828615a1 | 432 | while ((c = getc(fp)) != EOF) { |
06300dd9 KS |
433 | cc++; |
434 | if (c == '\n') | |
435 | lc++; | |
436 | putc(c, of); | |
437 | if (ferror(of)) { | |
438 | perror(name); | |
439 | fclose(of); | |
440 | return(-1); | |
441 | } | |
442 | } | |
443 | fclose(of); | |
444 | printf("%d/%ld\n", lc, cc); | |
445 | fflush(stdout); | |
446 | return(0); | |
447 | } | |
448 | ||
449 | /* | |
828615a1 | 450 | * Edit the message being collected on fp. |
06300dd9 KS |
451 | * Write the message out onto some poorly-named temp file |
452 | * and point an editor at it. | |
453 | * | |
454 | * On return, make the edit file the new temp file. | |
455 | */ | |
456 | ||
457 | FILE * | |
828615a1 EW |
458 | mesedit(fp, c) |
459 | FILE *fp; | |
06300dd9 | 460 | { |
828615a1 EW |
461 | int pid; |
462 | union wait s; | |
06300dd9 KS |
463 | FILE *fbuf; |
464 | register int t; | |
828615a1 | 465 | int (*sigint)(), (*sigcont)(); |
06300dd9 KS |
466 | struct stat sbuf; |
467 | extern char tempMail[], tempEdit[]; | |
468 | register char *edit; | |
469 | ||
828615a1 EW |
470 | sigint = signal(SIGINT, SIG_IGN); |
471 | sigcont = signal(SIGCONT, SIG_DFL); | |
06300dd9 KS |
472 | if (stat(tempEdit, &sbuf) >= 0) { |
473 | printf("%s: file exists\n", tempEdit); | |
474 | goto out; | |
475 | } | |
476 | close(creat(tempEdit, 0600)); | |
477 | if ((fbuf = fopen(tempEdit, "w")) == NULL) { | |
478 | perror(tempEdit); | |
479 | goto out; | |
480 | } | |
828615a1 | 481 | while ((t = getc(fp)) != EOF) |
06300dd9 | 482 | putc(t, fbuf); |
06300dd9 KS |
483 | fflush(fbuf); |
484 | if (ferror(fbuf)) { | |
485 | perror(tempEdit); | |
486 | remove(tempEdit); | |
487 | goto fix; | |
488 | } | |
489 | fclose(fbuf); | |
490 | if ((edit = value(c == 'e' ? "EDITOR" : "VISUAL")) == NOSTR) | |
491 | edit = c == 'e' ? EDITOR : VISUAL; | |
492 | pid = vfork(); | |
493 | if (pid == 0) { | |
828615a1 EW |
494 | if (sigint != SIG_IGN) |
495 | signal(SIGINT, SIG_DFL); | |
06300dd9 KS |
496 | execl(edit, edit, tempEdit, 0); |
497 | perror(edit); | |
498 | _exit(1); | |
499 | } | |
500 | if (pid == -1) { | |
501 | perror("fork"); | |
502 | remove(tempEdit); | |
503 | goto out; | |
504 | } | |
505 | while (wait(&s) != pid) | |
506 | ; | |
828615a1 | 507 | if (s.w_status != 0) { |
06300dd9 KS |
508 | printf("Fatal error in \"%s\"\n", edit); |
509 | remove(tempEdit); | |
510 | goto out; | |
511 | } | |
512 | ||
513 | /* | |
514 | * Now switch to new file. | |
515 | */ | |
516 | ||
828615a1 | 517 | if ((fbuf = fopen(tempEdit, "a+")) == NULL) { |
06300dd9 KS |
518 | perror(tempEdit); |
519 | remove(tempEdit); | |
520 | goto out; | |
521 | } | |
06300dd9 | 522 | remove(tempEdit); |
828615a1 EW |
523 | collf = fbuf; |
524 | fclose(fp); | |
525 | fp = fbuf; | |
06300dd9 KS |
526 | goto out; |
527 | fix: | |
528 | perror(tempEdit); | |
529 | out: | |
828615a1 EW |
530 | signal(SIGCONT, sigcont); |
531 | signal(SIGINT, sigint); | |
532 | return(fp); | |
06300dd9 KS |
533 | } |
534 | ||
535 | /* | |
536 | * Pipe the message through the command. | |
537 | * Old message is on stdin of command; | |
538 | * New message collected from stdout. | |
539 | * Sh -c must return 0 to accept the new message. | |
540 | */ | |
541 | ||
542 | FILE * | |
828615a1 EW |
543 | mespipe(fp, cmd) |
544 | FILE *fp; | |
06300dd9 KS |
545 | char cmd[]; |
546 | { | |
828615a1 EW |
547 | register FILE *nf; |
548 | int pid; | |
549 | union wait s; | |
550 | int (*saveint)(); | |
06300dd9 KS |
551 | char *Shell; |
552 | ||
828615a1 | 553 | if ((nf = fopen(tempEdit, "w+")) == NULL) { |
06300dd9 | 554 | perror(tempEdit); |
828615a1 | 555 | return(fp); |
06300dd9 KS |
556 | } |
557 | remove(tempEdit); | |
828615a1 | 558 | saveint = signal(SIGINT, SIG_IGN); |
06300dd9 KS |
559 | if ((Shell = value("SHELL")) == NULL) |
560 | Shell = "/bin/sh"; | |
561 | if ((pid = vfork()) == -1) { | |
562 | perror("fork"); | |
563 | goto err; | |
564 | } | |
565 | if (pid == 0) { | |
828615a1 | 566 | int fd; |
06300dd9 KS |
567 | /* |
568 | * stdin = current message. | |
569 | * stdout = new message. | |
570 | */ | |
571 | ||
572 | close(0); | |
828615a1 | 573 | dup(fileno(fp)); |
06300dd9 | 574 | close(1); |
828615a1 EW |
575 | dup(fileno(nf)); |
576 | for (fd = getdtablesize(); --fd > 2;) | |
577 | close(fd); | |
06300dd9 KS |
578 | execl(Shell, Shell, "-c", cmd, 0); |
579 | perror(Shell); | |
580 | _exit(1); | |
581 | } | |
582 | while (wait(&s) != pid) | |
583 | ; | |
828615a1 | 584 | if (s.w_status != 0 || pid == -1) { |
06300dd9 KS |
585 | fprintf(stderr, "\"%s\" failed!?\n", cmd); |
586 | goto err; | |
587 | } | |
828615a1 | 588 | if (fsize(nf) == 0) { |
06300dd9 KS |
589 | fprintf(stderr, "No bytes from \"%s\" !?\n", cmd); |
590 | goto err; | |
591 | } | |
592 | ||
593 | /* | |
594 | * Take new files. | |
595 | */ | |
596 | ||
828615a1 EW |
597 | fseek(nf, 0L, 2); |
598 | collf = nf; | |
599 | fclose(fp); | |
600 | signal(SIGINT, saveint); | |
601 | return(nf); | |
06300dd9 KS |
602 | |
603 | err: | |
828615a1 EW |
604 | fclose(nf); |
605 | signal(SIGINT, saveint); | |
606 | return(fp); | |
06300dd9 KS |
607 | } |
608 | ||
609 | /* | |
610 | * Interpolate the named messages into the current | |
611 | * message, preceding each line with a tab. | |
612 | * Return a count of the number of characters now in | |
613 | * the message, or -1 if an error is encountered writing | |
614 | * the message temporary. The flag argument is 'm' if we | |
615 | * should shift over and 'f' if not. | |
616 | */ | |
828615a1 | 617 | forward(ms, fp, f) |
06300dd9 | 618 | char ms[]; |
828615a1 | 619 | FILE *fp; |
06300dd9 KS |
620 | { |
621 | register int *msgvec, *ip; | |
622 | extern char tempMail[]; | |
623 | ||
624 | msgvec = (int *) salloc((msgCount+1) * sizeof *msgvec); | |
625 | if (msgvec == (int *) NOSTR) | |
626 | return(0); | |
627 | if (getmsglist(ms, msgvec, 0) < 0) | |
628 | return(0); | |
629 | if (*msgvec == NULL) { | |
630 | *msgvec = first(0, MMNORM); | |
631 | if (*msgvec == NULL) { | |
632 | printf("No appropriate messages\n"); | |
633 | return(0); | |
634 | } | |
635 | msgvec[1] = NULL; | |
636 | } | |
637 | printf("Interpolating:"); | |
638 | for (ip = msgvec; *ip != NULL; ip++) { | |
639 | touch(*ip); | |
640 | printf(" %d", *ip); | |
641 | if (f == 'm') { | |
828615a1 | 642 | if (transmit(&message[*ip-1], fp) < 0L) { |
06300dd9 KS |
643 | perror(tempMail); |
644 | return(-1); | |
645 | } | |
646 | } else | |
828615a1 | 647 | if (send(&message[*ip-1], fp, 0) < 0) { |
06300dd9 KS |
648 | perror(tempMail); |
649 | return(-1); | |
650 | } | |
651 | } | |
652 | printf("\n"); | |
653 | return(0); | |
654 | } | |
655 | ||
656 | /* | |
657 | * Send message described by the passed pointer to the | |
658 | * passed output buffer. Insert a tab in front of each | |
659 | * line. Return a count of the characters sent, or -1 | |
660 | * on error. | |
661 | */ | |
662 | ||
5deb0e1e | 663 | long |
828615a1 | 664 | transmit(mailp, fp) |
06300dd9 | 665 | struct message *mailp; |
828615a1 | 666 | FILE *fp; |
06300dd9 KS |
667 | { |
668 | register struct message *mp; | |
5deb0e1e CS |
669 | register int ch; |
670 | long c, n; | |
671 | int bol; | |
06300dd9 KS |
672 | FILE *ibuf; |
673 | ||
674 | mp = mailp; | |
675 | ibuf = setinput(mp); | |
5deb0e1e | 676 | c = mp->m_size; |
06300dd9 KS |
677 | n = c; |
678 | bol = 1; | |
5deb0e1e | 679 | while (c-- > 0L) { |
828615a1 EW |
680 | ch = getc(ibuf); |
681 | if (ch == '\n') | |
682 | bol = 1; | |
683 | else if (bol) { | |
06300dd9 | 684 | bol = 0; |
828615a1 | 685 | putc('\t', fp); |
06300dd9 | 686 | n++; |
06300dd9 | 687 | } |
828615a1 EW |
688 | putc(ch, fp); |
689 | if (ferror(fp)) { | |
06300dd9 | 690 | perror("/tmp"); |
5deb0e1e | 691 | return(-1L); |
06300dd9 KS |
692 | } |
693 | } | |
694 | return(n); | |
695 | } | |
696 | ||
2d55c063 KS |
697 | /* |
698 | * Print (continue) when continued after ^Z. | |
699 | */ | |
828615a1 | 700 | /*ARGSUSED*/ |
2d55c063 KS |
701 | collcont(s) |
702 | { | |
703 | ||
828615a1 EW |
704 | hadintr = 0; |
705 | longjmp(coljmp, 1); | |
2d55c063 KS |
706 | } |
707 | ||
06300dd9 KS |
708 | /* |
709 | * On interrupt, go here to save the partial | |
7feecf47 | 710 | * message on ~/dead.letter. |
06300dd9 KS |
711 | * Then restore signals and execute the normal |
712 | * signal routine. We only come here if signals | |
713 | * were previously set anyway. | |
714 | */ | |
715 | ||
716 | collrub(s) | |
717 | { | |
718 | register FILE *dbuf; | |
719 | register int c; | |
720 | ||
7feecf47 | 721 | if (s == SIGINT && hadintr == 0) { |
828615a1 | 722 | hadintr = 1; |
06300dd9 KS |
723 | longjmp(coljmp, 1); |
724 | } | |
828615a1 EW |
725 | rewind(collf); |
726 | if (s == SIGINT && value("nosave") != NOSTR || fsize(collf) == 0) | |
06300dd9 KS |
727 | goto done; |
728 | if ((dbuf = fopen(deadletter, "w")) == NULL) | |
729 | goto done; | |
730 | chmod(deadletter, 0600); | |
828615a1 | 731 | while ((c = getc(collf)) != EOF) |
06300dd9 KS |
732 | putc(c, dbuf); |
733 | fclose(dbuf); | |
734 | ||
735 | done: | |
828615a1 EW |
736 | fclose(collf); |
737 | signal(SIGINT, saveint); | |
738 | signal(SIGHUP, savehup); | |
739 | signal(SIGCONT, savecont); | |
7feecf47 KS |
740 | if (rcvmode) { |
741 | if (s == SIGHUP) | |
742 | hangup(SIGHUP); | |
743 | else | |
2d55c063 | 744 | stop(s); |
828615a1 | 745 | } else |
06300dd9 KS |
746 | exit(1); |
747 | } | |
748 | ||
749 | /* | |
750 | * Acknowledge an interrupt signal from the tty by typing an @ | |
751 | */ | |
752 | ||
828615a1 | 753 | /*ARGSUSED*/ |
06300dd9 KS |
754 | intack(s) |
755 | { | |
828615a1 | 756 | |
06300dd9 KS |
757 | puts("@"); |
758 | fflush(stdout); | |
759 | clearerr(stdin); | |
06300dd9 KS |
760 | } |
761 | ||
762 | /* | |
763 | * Add a string to the end of a header entry field. | |
764 | */ | |
765 | ||
766 | char * | |
767 | addto(hf, news) | |
768 | char hf[], news[]; | |
769 | { | |
770 | register char *cp, *cp2, *linebuf; | |
771 | ||
772 | if (hf == NOSTR) | |
773 | hf = ""; | |
774 | if (*news == '\0') | |
775 | return(hf); | |
776 | linebuf = salloc(strlen(hf) + strlen(news) + 2); | |
777 | for (cp = hf; any(*cp, " \t"); cp++) | |
778 | ; | |
779 | for (cp2 = linebuf; *cp;) | |
780 | *cp2++ = *cp++; | |
781 | *cp2++ = ' '; | |
782 | for (cp = news; any(*cp, " \t"); cp++) | |
783 | ; | |
784 | while (*cp != '\0') | |
785 | *cp2++ = *cp++; | |
786 | *cp2 = '\0'; | |
787 | return(linebuf); | |
788 | } |