Commit | Line | Data |
---|---|---|
3184019b KS |
1 | # |
2 | ||
3 | #include "rcv.h" | |
4 | #ifdef VMUNIX | |
5 | #include <wait.h> | |
6 | #endif | |
a6b3a6c5 | 7 | #include <ctype.h> |
3184019b KS |
8 | |
9 | /* | |
10 | * Mail -- a mail program | |
11 | * | |
12 | * Mail to others. | |
13 | */ | |
14 | ||
79ddb121 | 15 | static char *SccsId = "@(#)send.c 2.1 %G%"; |
3184019b KS |
16 | |
17 | /* | |
18 | * Send message described by the passed pointer to the | |
19 | * passed output buffer. Return -1 on error, but normally | |
57079810 KS |
20 | * the number of lines written. Adjust the status: field |
21 | * if need be. | |
3184019b KS |
22 | */ |
23 | ||
24 | send(mailp, obuf) | |
25 | struct message *mailp; | |
26 | FILE *obuf; | |
27 | { | |
28 | register struct message *mp; | |
29 | register int t; | |
30 | unsigned int c; | |
31 | FILE *ibuf; | |
57079810 | 32 | char line[LINESIZE]; |
a6b3a6c5 | 33 | int lc, ishead, infld, fline; |
3184019b KS |
34 | |
35 | mp = mailp; | |
36 | ibuf = setinput(mp); | |
37 | c = msize(mp); | |
57079810 | 38 | ishead = (mailp->m_flag & MSTATUS) != 0; |
a6b3a6c5 KS |
39 | infld = 0; |
40 | fline = 1; | |
3184019b | 41 | lc = 0; |
57079810 KS |
42 | while (c > 0) { |
43 | fgets(line, LINESIZE, ibuf); | |
44 | c -= strlen(line); | |
45 | lc++; | |
46 | if (ishead) { | |
a6b3a6c5 KS |
47 | if (fline) { |
48 | fline = 0; | |
49 | goto writeit; | |
50 | } | |
57079810 KS |
51 | if (line[0] == '\n') { |
52 | statusput(mailp, obuf); | |
53 | ishead = 0; | |
54 | goto writeit; | |
55 | } | |
a6b3a6c5 KS |
56 | if (isspace(line[0]) && infld) |
57 | goto writeit; | |
58 | infld = 0; | |
59 | if (!headerp(line)) { | |
60 | statusput(mailp, obuf); | |
61 | putc('\n', obuf); | |
62 | ishead = 0; | |
57079810 | 63 | goto writeit; |
a6b3a6c5 KS |
64 | } |
65 | infld++; | |
57079810 KS |
66 | if (icisname(line, "status", 6)) { |
67 | statusput(mailp, obuf); | |
68 | ishead = 0; | |
69 | continue; | |
70 | } | |
71 | } | |
72 | writeit: | |
73 | fputs(line, obuf); | |
3184019b KS |
74 | if (ferror(obuf)) |
75 | return(-1); | |
76 | } | |
57079810 KS |
77 | if (ferror(obuf)) |
78 | return(-1); | |
79 | if (ishead && (mailp->m_flag & MSTATUS)) | |
80 | printf("failed to fix up status field\n"); | |
3184019b KS |
81 | return(lc); |
82 | } | |
83 | ||
a6b3a6c5 KS |
84 | /* |
85 | * Test if the passed line is a header line, RFC 733 style. | |
86 | */ | |
87 | headerp(line) | |
88 | register char *line; | |
89 | { | |
90 | register char *cp = line; | |
91 | ||
92 | while (*cp && !isspace(*cp) && *cp != ':') | |
93 | cp++; | |
94 | while (*cp && isspace(*cp)) | |
95 | cp++; | |
96 | return(*cp == ':'); | |
97 | } | |
98 | ||
57079810 KS |
99 | /* |
100 | * Output a reasonable looking status field. | |
101 | */ | |
102 | ||
103 | statusput(mp, obuf) | |
104 | register struct message *mp; | |
105 | register FILE *obuf; | |
106 | { | |
107 | char statout[3]; | |
108 | ||
109 | if ((mp->m_flag & (MNEW|MREAD)) == MNEW) | |
110 | return; | |
111 | if (mp->m_flag & MREAD) | |
112 | strcpy(statout, "R"); | |
113 | else | |
114 | strcpy(statout, ""); | |
115 | if ((mp->m_flag & MNEW) == 0) | |
116 | strcat(statout, "O"); | |
117 | fprintf(obuf, "Status: %s\n", statout); | |
118 | } | |
119 | ||
120 | ||
3184019b KS |
121 | /* |
122 | * Interface between the argument list and the mail1 routine | |
123 | * which does all the dirty work. | |
124 | */ | |
125 | ||
126 | mail(people) | |
127 | char **people; | |
128 | { | |
129 | register char *cp2; | |
130 | register int s; | |
131 | char *buf, **ap; | |
132 | struct header head; | |
133 | ||
134 | for (s = 0, ap = people; *ap != (char *) -1; ap++) | |
135 | s += strlen(*ap) + 1; | |
136 | buf = salloc(s+1); | |
137 | cp2 = buf; | |
138 | for (ap = people; *ap != (char *) -1; ap++) { | |
139 | cp2 = copy(*ap, cp2); | |
140 | *cp2++ = ' '; | |
141 | } | |
142 | if (cp2 != buf) | |
143 | cp2--; | |
144 | *cp2 = '\0'; | |
145 | head.h_to = buf; | |
146 | head.h_subject = NOSTR; | |
147 | head.h_cc = NOSTR; | |
148 | head.h_bcc = NOSTR; | |
149 | head.h_seq = 0; | |
150 | mail1(&head); | |
151 | return(0); | |
152 | } | |
153 | ||
154 | ||
155 | /* | |
156 | * Send mail to a bunch of user names. The interface is through | |
157 | * the mail routine below. | |
158 | */ | |
159 | ||
160 | sendmail(str) | |
161 | char *str; | |
162 | { | |
163 | register char **ap; | |
164 | char *bufp; | |
165 | register int t; | |
166 | struct header head; | |
167 | ||
168 | if (blankline(str)) | |
169 | head.h_to = NOSTR; | |
170 | else | |
171 | head.h_to = str; | |
172 | head.h_subject = NOSTR; | |
173 | head.h_cc = NOSTR; | |
174 | head.h_bcc = NOSTR; | |
175 | head.h_seq = 0; | |
176 | mail1(&head); | |
177 | return(0); | |
178 | } | |
179 | ||
180 | /* | |
181 | * Mail a message on standard input to the people indicated | |
182 | * in the passed header. (Internal interface). | |
183 | */ | |
184 | ||
185 | mail1(hp) | |
186 | struct header *hp; | |
187 | { | |
188 | register char *cp; | |
189 | int pid, i, s, p, gotcha; | |
6fa89d43 | 190 | char **namelist, *deliver; |
3184019b KS |
191 | struct name *to, *np; |
192 | FILE *mtf, *postage; | |
193 | int remote = rflag != NOSTR || rmail; | |
194 | char **t; | |
195 | ||
196 | /* | |
197 | * Collect user's mail from standard input. | |
198 | * Get the result as mtf. | |
199 | */ | |
200 | ||
201 | pid = -1; | |
202 | if ((mtf = collect(hp)) == NULL) | |
203 | return(-1); | |
204 | hp->h_seq = 1; | |
205 | if (hp->h_subject == NOSTR) | |
206 | hp->h_subject = sflag; | |
207 | if (fsize(mtf) == 0 && hp->h_subject == NOSTR) { | |
208 | printf("No message !?!\n"); | |
209 | goto out; | |
210 | } | |
211 | if (intty && value("askcc") != NOSTR) | |
212 | grabh(hp, GCC); | |
213 | else if (intty) { | |
214 | printf("EOT\n"); | |
215 | flush(); | |
216 | } | |
217 | ||
218 | /* | |
219 | * Now, take the user names from the combined | |
220 | * to and cc lists and do all the alias | |
221 | * processing. | |
222 | */ | |
223 | ||
224 | senderr = 0; | |
225 | to = usermap(cat(extract(hp->h_bcc, GBCC), | |
226 | cat(extract(hp->h_to, GTO), extract(hp->h_cc, GCC)))); | |
227 | if (to == NIL) { | |
228 | printf("No recipients specified\n"); | |
229 | goto topdog; | |
230 | } | |
231 | ||
232 | /* | |
233 | * Look through the recipient list for names with /'s | |
234 | * in them which we write to as files directly. | |
235 | */ | |
236 | ||
237 | to = outof(to, mtf, hp); | |
238 | rewind(mtf); | |
239 | to = verify(to); | |
240 | if (senderr && !remote) { | |
241 | topdog: | |
242 | ||
243 | if (fsize(mtf) != 0) { | |
244 | remove(deadletter); | |
245 | exwrite(deadletter, mtf, 1); | |
246 | rewind(mtf); | |
247 | } | |
248 | } | |
249 | for (gotcha = 0, np = to; np != NIL; np = np->n_flink) | |
250 | if ((np->n_type & GDEL) == 0) { | |
251 | gotcha++; | |
252 | break; | |
253 | } | |
254 | if (!gotcha) | |
255 | goto out; | |
256 | to = elide(to); | |
257 | mechk(to); | |
258 | if (count(to) > 1) | |
259 | hp->h_seq++; | |
260 | if (hp->h_seq > 0 && !remote) { | |
261 | fixhead(hp, to); | |
262 | if (fsize(mtf) == 0) | |
263 | printf("Null message body; hope that's ok\n"); | |
264 | if ((mtf = infix(hp, mtf)) == NULL) { | |
265 | fprintf(stderr, ". . . message lost, sorry.\n"); | |
266 | return(-1); | |
267 | } | |
268 | } | |
269 | namelist = unpack(to); | |
270 | if (debug) { | |
271 | printf("Recipients of message:\n"); | |
272 | for (t = namelist; *t != NOSTR; t++) | |
273 | printf(" \"%s\"", *t); | |
274 | printf("\n"); | |
275 | fflush(stdout); | |
276 | return; | |
277 | } | |
278 | if ((cp = value("record")) != NOSTR) | |
279 | savemail(expand(cp), hp, mtf); | |
280 | ||
281 | /* | |
282 | * Wait, to absorb a potential zombie, then | |
283 | * fork, set up the temporary mail file as standard | |
284 | * input for "mail" and exec with the user list we generated | |
285 | * far above. Return the process id to caller in case he | |
286 | * wants to await the completion of mail. | |
287 | */ | |
288 | ||
289 | #ifdef VMUNIX | |
290 | while (wait3(&s, WNOHANG, 0) > 0) | |
291 | ; | |
292 | #else | |
293 | wait(&s); | |
294 | #endif | |
295 | rewind(mtf); | |
296 | pid = fork(); | |
297 | if (pid == -1) { | |
298 | perror("fork"); | |
299 | remove(deadletter); | |
300 | exwrite(deadletter, mtf, 1); | |
301 | goto out; | |
302 | } | |
303 | if (pid == 0) { | |
304 | #ifdef SIGTSTP | |
305 | if (remote == 0) { | |
67f02f55 KS |
306 | sigset(SIGTSTP, SIG_IGN); |
307 | sigset(SIGTTIN, SIG_IGN); | |
308 | sigset(SIGTTOU, SIG_IGN); | |
3184019b KS |
309 | } |
310 | #endif | |
311 | for (i = SIGHUP; i <= SIGQUIT; i++) | |
67f02f55 | 312 | sigset(i, SIG_IGN); |
3184019b KS |
313 | if ((postage = fopen("/crp/kurt/postage", "a")) != NULL) { |
314 | fprintf(postage, "%s %d %d\n", myname, | |
315 | count(to), fsize(mtf)); | |
316 | fclose(postage); | |
317 | } | |
318 | s = fileno(mtf); | |
319 | for (i = 3; i < 15; i++) | |
320 | if (i != s) | |
321 | close(i); | |
322 | close(0); | |
323 | dup(s); | |
324 | close(s); | |
325 | #ifdef CC | |
326 | submit(getpid()); | |
327 | #endif CC | |
328 | #ifdef DELIVERMAIL | |
6fa89d43 KS |
329 | if ((deliver = value("sendmail")) == NOSTR) |
330 | deliver = DELIVERMAIL; | |
331 | execv(deliver, namelist); | |
3184019b KS |
332 | #endif DELIVERMAIL |
333 | execv(MAIL, namelist); | |
334 | perror(MAIL); | |
335 | exit(1); | |
336 | } | |
337 | ||
338 | out: | |
339 | if (remote) { | |
340 | while ((p = wait(&s)) != pid && p != -1) | |
341 | ; | |
342 | if (s != 0) | |
343 | senderr++; | |
344 | pid = 0; | |
345 | } | |
346 | fclose(mtf); | |
347 | return(pid); | |
348 | } | |
349 | ||
350 | /* | |
351 | * Fix the header by glopping all of the expanded names from | |
352 | * the distribution list into the appropriate fields. | |
353 | * If there are any ARPA net recipients in the message, | |
354 | * we must insert commas, alas. | |
355 | */ | |
356 | ||
357 | fixhead(hp, tolist) | |
358 | struct header *hp; | |
359 | struct name *tolist; | |
360 | { | |
361 | register struct name *nlist; | |
362 | register int f; | |
363 | register struct name *np; | |
364 | ||
365 | for (f = 0, np = tolist; np != NIL; np = np->n_flink) | |
366 | if (any('@', np->n_name)) { | |
367 | f |= GCOMMA; | |
368 | break; | |
369 | } | |
370 | ||
371 | if (debug && f & GCOMMA) | |
372 | fprintf(stderr, "Should be inserting commas in recip lists\n"); | |
373 | hp->h_to = detract(tolist, GTO|f); | |
374 | hp->h_cc = detract(tolist, GCC|f); | |
375 | } | |
376 | ||
377 | /* | |
378 | * Prepend a header in front of the collected stuff | |
379 | * and return the new file. | |
380 | */ | |
381 | ||
382 | FILE * | |
383 | infix(hp, fi) | |
384 | struct header *hp; | |
385 | FILE *fi; | |
386 | { | |
387 | extern char tempMail[]; | |
388 | register FILE *nfo, *nfi; | |
389 | register int c; | |
390 | ||
1c5ad8c6 | 391 | rewind(fi); |
3184019b KS |
392 | if ((nfo = fopen(tempMail, "w")) == NULL) { |
393 | perror(tempMail); | |
394 | return(fi); | |
395 | } | |
396 | if ((nfi = fopen(tempMail, "r")) == NULL) { | |
397 | perror(tempMail); | |
398 | fclose(nfo); | |
399 | return(fi); | |
400 | } | |
401 | remove(tempMail); | |
402 | puthead(hp, nfo, GTO|GSUBJECT|GCC|GNL); | |
3184019b KS |
403 | c = getc(fi); |
404 | while (c != EOF) { | |
405 | putc(c, nfo); | |
406 | c = getc(fi); | |
407 | } | |
408 | if (ferror(fi)) { | |
409 | perror("read"); | |
3184019b KS |
410 | return(fi); |
411 | } | |
412 | fflush(nfo); | |
413 | if (ferror(nfo)) { | |
414 | perror(tempMail); | |
415 | fclose(nfo); | |
416 | fclose(nfi); | |
417 | return(fi); | |
418 | } | |
419 | fclose(nfo); | |
420 | fclose(fi); | |
421 | rewind(nfi); | |
422 | return(nfi); | |
423 | } | |
424 | ||
425 | /* | |
426 | * Dump the to, subject, cc header on the | |
427 | * passed file buffer. | |
428 | */ | |
429 | ||
430 | puthead(hp, fo, w) | |
431 | struct header *hp; | |
432 | FILE *fo; | |
433 | { | |
434 | register int gotcha; | |
435 | ||
436 | gotcha = 0; | |
437 | if (hp->h_to != NOSTR && w & GTO) | |
438 | fprintf(fo, "To: "), fmt(hp->h_to, fo), gotcha++; | |
439 | if (hp->h_subject != NOSTR && w & GSUBJECT) | |
440 | fprintf(fo, "Subject: %s\n", hp->h_subject), gotcha++; | |
441 | if (hp->h_cc != NOSTR && w & GCC) | |
442 | fprintf(fo, "Cc: "), fmt(hp->h_cc, fo), gotcha++; | |
443 | if (hp->h_bcc != NOSTR && w & GBCC) | |
444 | fprintf(fo, "Bcc: "), fmt(hp->h_bcc, fo), gotcha++; | |
445 | if (gotcha && w & GNL) | |
446 | putc('\n', fo); | |
447 | return(0); | |
448 | } | |
449 | ||
450 | /* | |
451 | * Format the given text to not exceed 72 characters. | |
452 | */ | |
453 | ||
454 | fmt(str, fo) | |
455 | register char *str; | |
456 | register FILE *fo; | |
457 | { | |
458 | register int col; | |
459 | register char *cp; | |
460 | ||
461 | cp = str; | |
462 | col = 0; | |
463 | while (*cp) { | |
464 | if (*cp == ' ' && col > 65) { | |
465 | fprintf(fo, "\n "); | |
466 | col = 4; | |
467 | cp++; | |
468 | continue; | |
469 | } | |
470 | putc(*cp++, fo); | |
471 | col++; | |
472 | } | |
473 | putc('\n', fo); | |
474 | } | |
475 | ||
476 | /* | |
477 | * Save the outgoing mail on the passed file. | |
478 | */ | |
479 | ||
480 | savemail(name, hp, fi) | |
481 | char name[]; | |
482 | struct header *hp; | |
483 | FILE *fi; | |
484 | { | |
485 | register FILE *fo; | |
486 | register int c; | |
487 | long now; | |
488 | char *n; | |
489 | ||
490 | if ((fo = fopen(name, "a")) == NULL) { | |
491 | perror(name); | |
492 | return(-1); | |
493 | } | |
494 | time(&now); | |
495 | n = rflag; | |
496 | if (n == NOSTR) | |
497 | n = myname; | |
498 | fprintf(fo, "From %s %s", n, ctime(&now)); | |
499 | rewind(fi); | |
500 | for (c = getc(fi); c != EOF; c = getc(fi)) | |
501 | putc(c, fo); | |
502 | fprintf(fo, "\n"); | |
503 | fflush(fo); | |
504 | if (ferror(fo)) | |
505 | perror(name); | |
506 | fclose(fo); | |
507 | return(0); | |
508 | } |