2 * Copyright (c) 1980, 1993
3 * The Regents of the University of California. All rights reserved.
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6 * modification, are permitted provided that the following conditions
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19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * @(#)send.c 8.1 (Berkeley) 6/6/93
30 * $FreeBSD: src/usr.bin/mail/send.c,v 1.5.6.5 2003/01/06 05:46:03 mikeh Exp $
37 * Mail -- a mail program
43 * Send message described by the passed pointer to the
44 * passed output buffer. Return -1 on error.
45 * Adjust the status: field if need be.
46 * If doign is given, suppress ignored header fields.
47 * prefix is a string to prepend to each output line.
50 sendmessage(struct message *mp, FILE *obuf, struct ignoretab *doign,
55 char *cp, *cp2, line[LINESIZE];
56 int ishead, infld, ignoring, dostat, firstline;
57 int c, length, prefixlen;
60 * Compute the prefix string, without trailing whitespace
64 for (cp = prefix; *cp != '\0'; cp++)
65 if (*cp != ' ' && *cp != '\t')
67 prefixlen = cp2 == NULL ? 0 : cp2 - prefix + 1;
72 dostat = doign == NULL || !isign("status", doign);
76 * Process headers first
78 while (count > 0 && ishead) {
79 if (fgets(line, sizeof(line), ibuf) == NULL)
81 count -= length = strlen(line);
84 * First line is the From line, so no headers
85 * there to worry about
88 ignoring = doign == ignoreall;
89 } else if (line[0] == '\n') {
91 * If line is blank, we've reached end of
92 * headers, so force out status: field
93 * and note that we are no longer in header
97 statusput(mp, obuf, prefix);
101 ignoring = doign == ignoreall;
102 } else if (infld && (line[0] == ' ' || line[0] == '\t')) {
104 * If this line is a continuation (via space or tab)
105 * of a previous header field, just echo it
106 * (unless the field should be ignored).
107 * In other words, nothing to do.
111 * Pick up the header field if we have one.
113 for (cp = line; (c = *cp++) != '\0' && c != ':' &&
114 !isspace((unsigned char)c);)
117 while (isspace((unsigned char)*cp++))
121 * Not a header line, force out status:
122 * This happens in uucp style mail where
123 * there are no headers at all.
126 statusput(mp, obuf, prefix);
129 if (doign != ignoreall)
136 * If it is an ignored field and
137 * we care about such things, skip it.
139 *cp2 = '\0'; /* temporarily null terminate */
140 if (doign && isign(line, doign))
142 else if ((line[0] == 's' || line[0] == 'S') &&
143 strcasecmp(line, "status") == 0) {
145 * If the field is "status," go compute
146 * and print the real Status: field
149 statusput(mp, obuf, prefix);
155 *cp2 = c; /* restore */
162 * Strip trailing whitespace from prefix
165 if (prefix != NULL) {
169 fwrite(prefix, sizeof(*prefix),
172 fwrite(line, sizeof(*line), length, obuf);
178 * Copy out message body
180 if (doign == ignoreall)
181 count--; /* skip final blank line */
184 if (fgets(line, sizeof(line), ibuf) == NULL) {
188 count -= c = strlen(line);
190 * Strip trailing whitespace from prefix
196 fwrite(prefix, sizeof(*prefix),
198 fwrite(line, sizeof(*line), c, obuf);
204 c = count < LINESIZE ? count : LINESIZE;
205 if ((c = fread(line, sizeof(*line), c, ibuf)) <= 0)
208 if (fwrite(line, sizeof(*line), c, obuf) != c)
211 if (doign == ignoreall && c > 0 && line[c - 1] != '\n')
212 /* no final blank line */
213 if ((c = getc(ibuf)) != EOF && putc(c, obuf) == EOF)
219 * Output a reasonable looking status field.
222 statusput(struct message *mp, FILE *obuf, char *prefix)
227 if (mp->m_flag & MREAD)
229 if ((mp->m_flag & MNEW) == 0)
232 if (statout[0] != '\0')
233 fprintf(obuf, "%sStatus: %s\n",
234 prefix == NULL ? "" : prefix, statout);
238 * Interface between the argument list and the mail1 routine
239 * which does all the dirty work.
242 mail(struct name *to, struct name *cc, struct name *bcc, struct name *smopts,
243 char *subject, char *replyto)
248 head.h_subject = subject;
251 head.h_smopts = smopts;
252 head.h_replyto = replyto;
253 head.h_inreplyto = NULL;
260 * Send mail to a bunch of user names. The interface is through
261 * the mail routine below.
268 head.h_to = extract(str, GTO);
269 head.h_subject = NULL;
272 head.h_smopts = NULL;
273 head.h_replyto = value("REPLYTO");
274 head.h_inreplyto = NULL;
280 * Mail a message on standard input to the people indicated
281 * in the passed header. (Internal interface).
284 mail1(struct header *hp, int printheaders)
290 struct name *to, *nsto;
294 * Collect user's mail from standard input.
295 * Get the result as mtf.
297 if ((mtf = collect(hp, printheaders)) == NULL)
299 if (value("interactive") != NULL) {
300 if (value("askcc") != NULL || value("askbcc") != NULL) {
301 if (value("askcc") != NULL)
303 if (value("askbcc") != NULL)
310 if (fsize(mtf) == 0) {
311 if (value("dontsendempty") != NULL)
313 if (hp->h_subject == NULL)
314 printf("No message, no subject; hope that's ok\n");
316 printf("Null message body; hope that's ok\n");
319 * Now, take the user names from the combined
320 * to and cc lists and do all the alias
324 to = usermap(cat(hp->h_bcc, cat(hp->h_to, hp->h_cc)));
326 printf("No recipients specified\n");
330 * Look through the recipient list for names with /'s
331 * in them which we write to as files directly.
333 to = outof(to, mtf, hp);
339 if (value("recordrecip") != NULL) {
341 * Before fixing the header, save old To:.
342 * We do this because elide above has sorted To: list,
343 * and we would like to save the message in a file named by
344 * the first recipient the user has entered, not the one being
345 * the first after sorting happened.
347 if ((nsto = malloc(sizeof(struct name))) == NULL)
348 err(1, "Out of memory");
349 bcopy(hp->h_to, nsto, sizeof(struct name));
352 if ((mtf = infix(hp, mtf)) == NULL) {
353 fprintf(stderr, ". . . message lost, sorry.\n");
356 namelist = unpack(cat(hp->h_smopts, to));
360 printf("Sendmail arguments:");
361 for (t = namelist; *t != NULL; t++)
362 printf(" \"%s\"", *t);
366 if (value("recordrecip") != NULL) {
368 * Extract first recipient username from save To: and use it
371 if ((nbuf = malloc(strlen(detract(nsto, 0)) + 1)) == NULL)
372 err(1, "Out of memory");
373 if ((cp = yanklogin(detract(nsto, 0), nbuf)) != NULL)
374 savemail(expand(nbuf), mtf);
377 } else if ((cp = value("record")) != NULL)
378 savemail(expand(cp), mtf);
380 * Fork, set up the temporary mail file as standard
381 * input for "mail", and exec with the user list we generated
393 sigaddset(&nset, SIGHUP);
394 sigaddset(&nset, SIGINT);
395 sigaddset(&nset, SIGQUIT);
396 sigaddset(&nset, SIGTSTP);
397 sigaddset(&nset, SIGTTIN);
398 sigaddset(&nset, SIGTTOU);
399 prepare_child(&nset, fileno(mtf), -1);
400 if ((cp = value("sendmail")) != NULL)
408 if (value("verbose") != NULL)
417 * Fix the header by glopping all of the expanded names from
418 * the distribution list into the appropriate fields.
421 fixhead(struct header *hp, struct name *tolist)
428 for (np = tolist; np != NULL; np = np->n_flink) {
429 /* Don't copy deleted addresses to the header */
430 if (np->n_type & GDEL)
432 if ((np->n_type & GMASK) == GTO)
434 cat(hp->h_to, nalloc(np->n_name, np->n_type));
435 else if ((np->n_type & GMASK) == GCC)
437 cat(hp->h_cc, nalloc(np->n_name, np->n_type));
438 else if ((np->n_type & GMASK) == GBCC)
440 cat(hp->h_bcc, nalloc(np->n_name, np->n_type));
445 * Prepend a header in front of the collected stuff
446 * and return the new file.
449 infix(struct header *hp, FILE *fi)
453 char tempname[PATHSIZE];
455 snprintf(tempname, sizeof(tempname), "%s/mail.RsXXXXXXXXXX", tmpdir);
456 if ((fd = mkstemp(tempname)) == -1 ||
457 (nfo = Fdopen(fd, "w")) == NULL) {
458 warn("%s", tempname);
461 if ((nfi = Fopen(tempname, "r")) == NULL) {
462 warn("%s", tempname);
468 puthead(hp, nfo, GTO|GSUBJECT|GCC|GBCC|GREPLYTO|GINREPLYTO|GNL|GCOMMA);
481 warn("%s", tempname);
494 * Dump the to, subject, cc header on the
495 * passed file buffer.
498 puthead(struct header *hp, FILE *fo, int w)
503 if (hp->h_to != NULL && w & GTO)
504 fmt("To:", hp->h_to, fo, w&GCOMMA), gotcha++;
505 if (hp->h_subject != NULL && w & GSUBJECT)
506 fprintf(fo, "Subject: %s\n", hp->h_subject), gotcha++;
507 if (hp->h_cc != NULL && w & GCC)
508 fmt("Cc:", hp->h_cc, fo, w&GCOMMA), gotcha++;
509 if (hp->h_bcc != NULL && w & GBCC)
510 fmt("Bcc:", hp->h_bcc, fo, w&GCOMMA), gotcha++;
511 if (hp->h_replyto != NULL && w & GREPLYTO)
512 fprintf(fo, "Reply-To: %s\n", hp->h_replyto), gotcha++;
513 if (hp->h_inreplyto != NULL && w & GINREPLYTO)
514 fprintf(fo, "In-Reply-To: <%s>\n", hp->h_inreplyto), gotcha++;
515 if (gotcha && w & GNL)
521 * Format the given header line to not exceed 72 characters.
524 fmt(const char *str, struct name *np, FILE *fo, int comma)
528 comma = comma ? 1 : 0;
532 for (; np != NULL; np = np->n_flink) {
533 if (np->n_flink == NULL)
535 len = strlen(np->n_name);
536 col++; /* for the space */
537 if (col + len + comma > 72 && col > 4) {
542 fputs(np->n_name, fo);
551 * Save the outgoing mail on the passed file.
556 savemail(char *name, FILE *fi)
563 if ((fo = Fopen(name, "a")) == NULL) {
568 fprintf(fo, "From %s %s", myname, ctime(&now));
569 while ((i = fread(buf, 1, sizeof(buf), fi)) > 0)
570 fwrite(buf, 1, i, fo);