Commit | Line | Data |
---|---|---|
3184019b KS |
1 | # |
2 | ||
3 | #include "rcv.h" | |
4 | #ifdef VMUNIX | |
5 | #include <wait.h> | |
6 | #endif | |
7 | ||
8 | /* | |
9 | * Mail -- a mail program | |
10 | * | |
11 | * Mail to others. | |
12 | */ | |
13 | ||
14 | static char *SccsId = "@(#)send.c 1.1 %G%"; | |
15 | ||
16 | /* | |
17 | * Send message described by the passed pointer to the | |
18 | * passed output buffer. Return -1 on error, but normally | |
19 | * the number of lines written. | |
20 | */ | |
21 | ||
22 | send(mailp, obuf) | |
23 | struct message *mailp; | |
24 | FILE *obuf; | |
25 | { | |
26 | register struct message *mp; | |
27 | register int t; | |
28 | unsigned int c; | |
29 | FILE *ibuf; | |
30 | int lc; | |
31 | ||
32 | mp = mailp; | |
33 | ibuf = setinput(mp); | |
34 | c = msize(mp); | |
35 | lc = 0; | |
36 | while (c-- > 0) { | |
37 | putc(t = getc(ibuf), obuf); | |
38 | if (t == '\n') | |
39 | lc++; | |
40 | if (ferror(obuf)) | |
41 | return(-1); | |
42 | } | |
43 | return(lc); | |
44 | } | |
45 | ||
46 | /* | |
47 | * Interface between the argument list and the mail1 routine | |
48 | * which does all the dirty work. | |
49 | */ | |
50 | ||
51 | mail(people) | |
52 | char **people; | |
53 | { | |
54 | register char *cp2; | |
55 | register int s; | |
56 | char *buf, **ap; | |
57 | struct header head; | |
58 | ||
59 | for (s = 0, ap = people; *ap != (char *) -1; ap++) | |
60 | s += strlen(*ap) + 1; | |
61 | buf = salloc(s+1); | |
62 | cp2 = buf; | |
63 | for (ap = people; *ap != (char *) -1; ap++) { | |
64 | cp2 = copy(*ap, cp2); | |
65 | *cp2++ = ' '; | |
66 | } | |
67 | if (cp2 != buf) | |
68 | cp2--; | |
69 | *cp2 = '\0'; | |
70 | head.h_to = buf; | |
71 | head.h_subject = NOSTR; | |
72 | head.h_cc = NOSTR; | |
73 | head.h_bcc = NOSTR; | |
74 | head.h_seq = 0; | |
75 | mail1(&head); | |
76 | return(0); | |
77 | } | |
78 | ||
79 | ||
80 | /* | |
81 | * Send mail to a bunch of user names. The interface is through | |
82 | * the mail routine below. | |
83 | */ | |
84 | ||
85 | sendmail(str) | |
86 | char *str; | |
87 | { | |
88 | register char **ap; | |
89 | char *bufp; | |
90 | register int t; | |
91 | struct header head; | |
92 | ||
93 | if (blankline(str)) | |
94 | head.h_to = NOSTR; | |
95 | else | |
96 | head.h_to = str; | |
97 | head.h_subject = NOSTR; | |
98 | head.h_cc = NOSTR; | |
99 | head.h_bcc = NOSTR; | |
100 | head.h_seq = 0; | |
101 | mail1(&head); | |
102 | return(0); | |
103 | } | |
104 | ||
105 | /* | |
106 | * Mail a message on standard input to the people indicated | |
107 | * in the passed header. (Internal interface). | |
108 | */ | |
109 | ||
110 | mail1(hp) | |
111 | struct header *hp; | |
112 | { | |
113 | register char *cp; | |
114 | int pid, i, s, p, gotcha; | |
115 | char **namelist; | |
116 | struct name *to, *np; | |
117 | FILE *mtf, *postage; | |
118 | int remote = rflag != NOSTR || rmail; | |
119 | char **t; | |
120 | ||
121 | /* | |
122 | * Collect user's mail from standard input. | |
123 | * Get the result as mtf. | |
124 | */ | |
125 | ||
126 | pid = -1; | |
127 | if ((mtf = collect(hp)) == NULL) | |
128 | return(-1); | |
129 | hp->h_seq = 1; | |
130 | if (hp->h_subject == NOSTR) | |
131 | hp->h_subject = sflag; | |
132 | if (fsize(mtf) == 0 && hp->h_subject == NOSTR) { | |
133 | printf("No message !?!\n"); | |
134 | goto out; | |
135 | } | |
136 | if (intty && value("askcc") != NOSTR) | |
137 | grabh(hp, GCC); | |
138 | else if (intty) { | |
139 | printf("EOT\n"); | |
140 | flush(); | |
141 | } | |
142 | ||
143 | /* | |
144 | * Now, take the user names from the combined | |
145 | * to and cc lists and do all the alias | |
146 | * processing. | |
147 | */ | |
148 | ||
149 | senderr = 0; | |
150 | to = usermap(cat(extract(hp->h_bcc, GBCC), | |
151 | cat(extract(hp->h_to, GTO), extract(hp->h_cc, GCC)))); | |
152 | if (to == NIL) { | |
153 | printf("No recipients specified\n"); | |
154 | goto topdog; | |
155 | } | |
156 | ||
157 | /* | |
158 | * Look through the recipient list for names with /'s | |
159 | * in them which we write to as files directly. | |
160 | */ | |
161 | ||
162 | to = outof(to, mtf, hp); | |
163 | rewind(mtf); | |
164 | to = verify(to); | |
165 | if (senderr && !remote) { | |
166 | topdog: | |
167 | ||
168 | if (fsize(mtf) != 0) { | |
169 | remove(deadletter); | |
170 | exwrite(deadletter, mtf, 1); | |
171 | rewind(mtf); | |
172 | } | |
173 | } | |
174 | for (gotcha = 0, np = to; np != NIL; np = np->n_flink) | |
175 | if ((np->n_type & GDEL) == 0) { | |
176 | gotcha++; | |
177 | break; | |
178 | } | |
179 | if (!gotcha) | |
180 | goto out; | |
181 | to = elide(to); | |
182 | mechk(to); | |
183 | if (count(to) > 1) | |
184 | hp->h_seq++; | |
185 | if (hp->h_seq > 0 && !remote) { | |
186 | fixhead(hp, to); | |
187 | if (fsize(mtf) == 0) | |
188 | printf("Null message body; hope that's ok\n"); | |
189 | if ((mtf = infix(hp, mtf)) == NULL) { | |
190 | fprintf(stderr, ". . . message lost, sorry.\n"); | |
191 | return(-1); | |
192 | } | |
193 | } | |
194 | namelist = unpack(to); | |
195 | if (debug) { | |
196 | printf("Recipients of message:\n"); | |
197 | for (t = namelist; *t != NOSTR; t++) | |
198 | printf(" \"%s\"", *t); | |
199 | printf("\n"); | |
200 | fflush(stdout); | |
201 | return; | |
202 | } | |
203 | if ((cp = value("record")) != NOSTR) | |
204 | savemail(expand(cp), hp, mtf); | |
205 | ||
206 | /* | |
207 | * Wait, to absorb a potential zombie, then | |
208 | * fork, set up the temporary mail file as standard | |
209 | * input for "mail" and exec with the user list we generated | |
210 | * far above. Return the process id to caller in case he | |
211 | * wants to await the completion of mail. | |
212 | */ | |
213 | ||
214 | #ifdef VMUNIX | |
215 | while (wait3(&s, WNOHANG, 0) > 0) | |
216 | ; | |
217 | #else | |
218 | wait(&s); | |
219 | #endif | |
220 | rewind(mtf); | |
221 | pid = fork(); | |
222 | if (pid == -1) { | |
223 | perror("fork"); | |
224 | remove(deadletter); | |
225 | exwrite(deadletter, mtf, 1); | |
226 | goto out; | |
227 | } | |
228 | if (pid == 0) { | |
229 | #ifdef SIGTSTP | |
230 | if (remote == 0) { | |
231 | signal(SIGTSTP, SIG_IGN); | |
232 | signal(SIGTTIN, SIG_IGN); | |
233 | signal(SIGTTOU, SIG_IGN); | |
234 | } | |
235 | #endif | |
236 | for (i = SIGHUP; i <= SIGQUIT; i++) | |
237 | signal(i, SIG_IGN); | |
238 | if ((postage = fopen("/crp/kurt/postage", "a")) != NULL) { | |
239 | fprintf(postage, "%s %d %d\n", myname, | |
240 | count(to), fsize(mtf)); | |
241 | fclose(postage); | |
242 | } | |
243 | s = fileno(mtf); | |
244 | for (i = 3; i < 15; i++) | |
245 | if (i != s) | |
246 | close(i); | |
247 | close(0); | |
248 | dup(s); | |
249 | close(s); | |
250 | #ifdef CC | |
251 | submit(getpid()); | |
252 | #endif CC | |
253 | #ifdef DELIVERMAIL | |
254 | execv(DELIVERMAIL, namelist); | |
255 | #endif DELIVERMAIL | |
256 | execv(MAIL, namelist); | |
257 | perror(MAIL); | |
258 | exit(1); | |
259 | } | |
260 | ||
261 | out: | |
262 | if (remote) { | |
263 | while ((p = wait(&s)) != pid && p != -1) | |
264 | ; | |
265 | if (s != 0) | |
266 | senderr++; | |
267 | pid = 0; | |
268 | } | |
269 | fclose(mtf); | |
270 | return(pid); | |
271 | } | |
272 | ||
273 | /* | |
274 | * Fix the header by glopping all of the expanded names from | |
275 | * the distribution list into the appropriate fields. | |
276 | * If there are any ARPA net recipients in the message, | |
277 | * we must insert commas, alas. | |
278 | */ | |
279 | ||
280 | fixhead(hp, tolist) | |
281 | struct header *hp; | |
282 | struct name *tolist; | |
283 | { | |
284 | register struct name *nlist; | |
285 | register int f; | |
286 | register struct name *np; | |
287 | ||
288 | for (f = 0, np = tolist; np != NIL; np = np->n_flink) | |
289 | if (any('@', np->n_name)) { | |
290 | f |= GCOMMA; | |
291 | break; | |
292 | } | |
293 | ||
294 | if (debug && f & GCOMMA) | |
295 | fprintf(stderr, "Should be inserting commas in recip lists\n"); | |
296 | hp->h_to = detract(tolist, GTO|f); | |
297 | hp->h_cc = detract(tolist, GCC|f); | |
298 | } | |
299 | ||
300 | /* | |
301 | * Prepend a header in front of the collected stuff | |
302 | * and return the new file. | |
303 | */ | |
304 | ||
305 | FILE * | |
306 | infix(hp, fi) | |
307 | struct header *hp; | |
308 | FILE *fi; | |
309 | { | |
310 | extern char tempMail[]; | |
311 | register FILE *nfo, *nfi; | |
312 | register int c; | |
313 | ||
314 | if ((nfo = fopen(tempMail, "w")) == NULL) { | |
315 | perror(tempMail); | |
316 | return(fi); | |
317 | } | |
318 | if ((nfi = fopen(tempMail, "r")) == NULL) { | |
319 | perror(tempMail); | |
320 | fclose(nfo); | |
321 | return(fi); | |
322 | } | |
323 | remove(tempMail); | |
324 | puthead(hp, nfo, GTO|GSUBJECT|GCC|GNL); | |
325 | rewind(fi); | |
326 | c = getc(fi); | |
327 | while (c != EOF) { | |
328 | putc(c, nfo); | |
329 | c = getc(fi); | |
330 | } | |
331 | if (ferror(fi)) { | |
332 | perror("read"); | |
333 | fprintf(stderr, "Please notify Kurt Shoens\n"); | |
334 | return(fi); | |
335 | } | |
336 | fflush(nfo); | |
337 | if (ferror(nfo)) { | |
338 | perror(tempMail); | |
339 | fclose(nfo); | |
340 | fclose(nfi); | |
341 | return(fi); | |
342 | } | |
343 | fclose(nfo); | |
344 | fclose(fi); | |
345 | rewind(nfi); | |
346 | return(nfi); | |
347 | } | |
348 | ||
349 | /* | |
350 | * Dump the to, subject, cc header on the | |
351 | * passed file buffer. | |
352 | */ | |
353 | ||
354 | puthead(hp, fo, w) | |
355 | struct header *hp; | |
356 | FILE *fo; | |
357 | { | |
358 | register int gotcha; | |
359 | ||
360 | gotcha = 0; | |
361 | if (hp->h_to != NOSTR && w & GTO) | |
362 | fprintf(fo, "To: "), fmt(hp->h_to, fo), gotcha++; | |
363 | if (hp->h_subject != NOSTR && w & GSUBJECT) | |
364 | fprintf(fo, "Subject: %s\n", hp->h_subject), gotcha++; | |
365 | if (hp->h_cc != NOSTR && w & GCC) | |
366 | fprintf(fo, "Cc: "), fmt(hp->h_cc, fo), gotcha++; | |
367 | if (hp->h_bcc != NOSTR && w & GBCC) | |
368 | fprintf(fo, "Bcc: "), fmt(hp->h_bcc, fo), gotcha++; | |
369 | if (gotcha && w & GNL) | |
370 | putc('\n', fo); | |
371 | return(0); | |
372 | } | |
373 | ||
374 | /* | |
375 | * Format the given text to not exceed 72 characters. | |
376 | */ | |
377 | ||
378 | fmt(str, fo) | |
379 | register char *str; | |
380 | register FILE *fo; | |
381 | { | |
382 | register int col; | |
383 | register char *cp; | |
384 | ||
385 | cp = str; | |
386 | col = 0; | |
387 | while (*cp) { | |
388 | if (*cp == ' ' && col > 65) { | |
389 | fprintf(fo, "\n "); | |
390 | col = 4; | |
391 | cp++; | |
392 | continue; | |
393 | } | |
394 | putc(*cp++, fo); | |
395 | col++; | |
396 | } | |
397 | putc('\n', fo); | |
398 | } | |
399 | ||
400 | /* | |
401 | * Save the outgoing mail on the passed file. | |
402 | */ | |
403 | ||
404 | savemail(name, hp, fi) | |
405 | char name[]; | |
406 | struct header *hp; | |
407 | FILE *fi; | |
408 | { | |
409 | register FILE *fo; | |
410 | register int c; | |
411 | long now; | |
412 | char *n; | |
413 | ||
414 | if ((fo = fopen(name, "a")) == NULL) { | |
415 | perror(name); | |
416 | return(-1); | |
417 | } | |
418 | time(&now); | |
419 | n = rflag; | |
420 | if (n == NOSTR) | |
421 | n = myname; | |
422 | fprintf(fo, "From %s %s", n, ctime(&now)); | |
423 | rewind(fi); | |
424 | for (c = getc(fi); c != EOF; c = getc(fi)) | |
425 | putc(c, fo); | |
426 | fprintf(fo, "\n"); | |
427 | fflush(fo); | |
428 | if (ferror(fo)) | |
429 | perror(name); | |
430 | fclose(fo); | |
431 | return(0); | |
432 | } |