2 * Copyright (c) 1980, 1993
3 * The Regents of the University of California. All rights reserved.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by the University of
16 * California, Berkeley and its contributors.
17 * 4. Neither the name of the University nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
36 static char sccsid[] = "@(#)send.c 8.1 (Berkeley) 6/6/93";
38 static const char rcsid[] =
46 * Mail -- a mail program
52 * Send message described by the passed pointer to the
53 * passed output buffer. Return -1 on error.
54 * Adjust the status: field if need be.
55 * If doign is given, suppress ignored header fields.
56 * prefix is a string to prepend to each output line.
59 sendmessage(mp, obuf, doign, prefix)
60 register struct message *mp;
62 struct ignoretab *doign;
68 int ishead, infld, ignoring, dostat, firstline;
69 register char *cp, *cp2;
75 * Compute the prefix string, without trailing whitespace
77 if (prefix != NOSTR) {
79 for (cp = prefix; *cp; cp++)
80 if (*cp != ' ' && *cp != '\t')
82 prefixlen = cp2 == 0 ? 0 : cp2 - prefix + 1;
87 dostat = doign == 0 || !isign("status", doign);
91 * Process headers first
93 while (count > 0 && ishead) {
94 if (fgets(line, sizeof(line), ibuf) == NULL)
96 count -= length = strlen(line);
99 * First line is the From line, so no headers
100 * there to worry about
103 ignoring = doign == ignoreall;
104 } else if (line[0] == '\n') {
106 * If line is blank, we've reached end of
107 * headers, so force out status: field
108 * and note that we are no longer in header
112 statusput(mp, obuf, prefix);
116 ignoring = doign == ignoreall;
117 } else if (infld && (line[0] == ' ' || line[0] == '\t')) {
119 * If this line is a continuation (via space or tab)
120 * of a previous header field, just echo it
121 * (unless the field should be ignored).
122 * In other words, nothing to do.
126 * Pick up the header field if we have one.
128 for (cp = line; (c = *cp++) && c != ':' && !isspace(c);)
131 while (isspace(*cp++))
135 * Not a header line, force out status:
136 * This happens in uucp style mail where
137 * there are no headers at all.
140 statusput(mp, obuf, prefix);
143 if (doign != ignoreall)
145 (void) putc('\n', obuf);
150 * If it is an ignored field and
151 * we care about such things, skip it.
153 *cp2 = 0; /* temporarily null terminate */
154 if (doign && isign(line, doign))
156 else if ((line[0] == 's' || line[0] == 'S') &&
157 strcasecmp(line, "status") == 0) {
159 * If the field is "status," go compute
160 * and print the real Status: field
163 statusput(mp, obuf, prefix);
169 *cp2 = c; /* restore */
176 * Strip trailing whitespace from prefix
179 if (prefix != NOSTR) {
183 (void) fwrite(prefix, sizeof *prefix,
186 (void) fwrite(line, sizeof *line, length, obuf);
192 * Copy out message body
194 if (doign == ignoreall)
195 count--; /* skip final blank line */
198 if (fgets(line, sizeof(line), ibuf) == NULL) {
202 count -= c = strlen(line);
204 * Strip trailing whitespace from prefix
210 (void) fwrite(prefix, sizeof *prefix,
212 (void) fwrite(line, sizeof *line, c, obuf);
218 c = count < LINESIZE ? count : LINESIZE;
219 if ((c = fread(line, sizeof *line, c, ibuf)) <= 0)
222 if (fwrite(line, sizeof *line, c, obuf) != c)
225 if (doign == ignoreall && c > 0 && line[c - 1] != '\n')
226 /* no final blank line */
227 if ((c = getc(ibuf)) != EOF && putc(c, obuf) == EOF)
233 * Output a reasonable looking status field.
236 statusput(mp, obuf, prefix)
237 register struct message *mp;
242 register char *cp = statout;
244 if (mp->m_flag & MREAD)
246 if ((mp->m_flag & MNEW) == 0)
250 fprintf(obuf, "%sStatus: %s\n",
251 prefix == NOSTR ? "" : prefix, statout);
255 * Interface between the argument list and the mail1 routine
256 * which does all the dirty work.
259 mail(to, cc, bcc, smopts, subject, replyto)
260 struct name *to, *cc, *bcc, *smopts;
261 char *subject, *replyto;
266 head.h_subject = subject;
269 head.h_smopts = smopts;
270 head.h_replyto = replyto;
271 head.h_inreplyto = NOSTR;
278 * Send mail to a bunch of user names. The interface is through
279 * the mail routine below.
287 head.h_to = extract(str, GTO);
288 head.h_subject = NOSTR;
292 if ((head.h_replyto = getenv("REPLYTO")) == NULL)
293 head.h_replyto = NOSTR;
294 head.h_inreplyto = NOSTR;
300 * Mail a message on standard input to the people indicated
301 * in the passed header. (Internal interface).
304 mail1(hp, printheaders)
315 * Collect user's mail from standard input.
316 * Get the result as mtf.
318 if ((mtf = collect(hp, printheaders)) == NULL)
320 if (value("interactive") != NOSTR) {
321 if (value("askcc") != NOSTR)
325 (void) fflush(stdout);
328 if (fsize(mtf) == 0) {
329 if (hp->h_subject == NOSTR)
330 printf("No message, no subject; hope that's ok\n");
332 printf("Null message body; hope that's ok\n");
335 * Now, take the user names from the combined
336 * to and cc lists and do all the alias
340 to = usermap(cat(hp->h_bcc, cat(hp->h_to, hp->h_cc)));
342 printf("No recipients specified\n");
346 * Look through the recipient list for names with /'s
347 * in them which we write to as files directly.
349 to = outof(to, mtf, hp);
356 if ((mtf = infix(hp, mtf)) == NULL) {
357 fprintf(stderr, ". . . message lost, sorry.\n");
360 namelist = unpack(cat(hp->h_smopts, to));
364 printf("Sendmail arguments:");
365 for (t = namelist; *t != NOSTR; t++)
366 printf(" \"%s\"", *t);
370 if ((cp = value("record")) != NOSTR)
371 (void) savemail(expand(cp), mtf);
373 * Fork, set up the temporary mail file as standard
374 * input for "mail", and exec with the user list we generated
384 prepare_child(sigmask(SIGHUP)|sigmask(SIGINT)|sigmask(SIGQUIT)|
385 sigmask(SIGTSTP)|sigmask(SIGTTIN)|sigmask(SIGTTOU),
387 if ((cp = value("sendmail")) != NOSTR)
395 if (value("verbose") != NOSTR)
396 (void) wait_child(pid);
404 * Fix the header by glopping all of the expanded names from
405 * the distribution list into the appropriate fields.
412 register struct name *np;
417 for (np = tolist; np != NIL; np = np->n_flink)
418 if ((np->n_type & GMASK) == GTO)
420 cat(hp->h_to, nalloc(np->n_name, np->n_type));
421 else if ((np->n_type & GMASK) == GCC)
423 cat(hp->h_cc, nalloc(np->n_name, np->n_type));
424 else if ((np->n_type & GMASK) == GBCC)
426 cat(hp->h_bcc, nalloc(np->n_name, np->n_type));
430 * Prepend a header in front of the collected stuff
431 * and return the new file.
438 register FILE *nfo, *nfi;
441 char tempname[PATHSIZE];
443 snprintf(tempname, sizeof(tempname), "%s/mail.RsXXXXXXXXXX", tmpdir);
444 if ((fd = mkstemp(tempname)) == -1 ||
445 (nfo = Fdopen(fd, "w")) == NULL) {
446 warn("%s", tempname);
449 if ((nfi = Fopen(tempname, "r")) == NULL) {
450 warn("%s", tempname);
456 (void) puthead(hp, nfo,
457 GTO|GSUBJECT|GCC|GBCC|GREPLYTO|GINREPLYTO|GNL|GCOMMA);
470 warn("%s", tempname);
483 * Dump the to, subject, cc header on the
484 * passed file buffer.
495 if (hp->h_to != NIL && w & GTO)
496 fmt("To:", hp->h_to, fo, w&GCOMMA), gotcha++;
497 if (hp->h_subject != NOSTR && w & GSUBJECT)
498 fprintf(fo, "Subject: %s\n", hp->h_subject), gotcha++;
499 if (hp->h_cc != NIL && w & GCC)
500 fmt("Cc:", hp->h_cc, fo, w&GCOMMA), gotcha++;
501 if (hp->h_bcc != NIL && w & GBCC)
502 fmt("Bcc:", hp->h_bcc, fo, w&GCOMMA), gotcha++;
503 if (hp->h_replyto != NOSTR && w & GREPLYTO)
504 fprintf(fo, "Reply-To: %s\n", hp->h_replyto), gotcha++;
505 if (hp->h_inreplyto != NOSTR && w & GINREPLYTO)
506 fprintf(fo, "In-Reply-To: <%s>\n", hp->h_inreplyto), gotcha++;
507 if (gotcha && w & GNL)
508 (void) putc('\n', fo);
513 * Format the given header line to not exceed 72 characters.
516 fmt(str, np, fo, comma)
518 register struct name *np;
524 comma = comma ? 1 : 0;
528 for (; np != NIL; np = np->n_flink) {
529 if (np->n_flink == NIL)
531 len = strlen(np->n_name);
532 col++; /* for the space */
533 if (col + len + comma > 72 && col > 4) {
538 fputs(np->n_name, fo);
547 * Save the outgoing mail on the passed file.
562 if ((fo = Fopen(name, "a")) == NULL) {
567 fprintf(fo, "From %s %s", myname, ctime(&now));
568 while ((i = fread(buf, 1, sizeof buf, fi)) > 0)
569 (void) fwrite(buf, 1, i, fo);
570 (void) putc('\n', fo);