3 * post.c -- enter messages into the mail transport system
5 * This code is Copyright (c) 2002, by the authors of nmh. See the
6 * COPYRIGHT file in the root directory of the nmh distribution for
7 * complete copyright information.
12 #include <h/signals.h>
13 #include <h/addrsbr.h>
14 #include <h/aliasbr.h>
15 #include <h/dropsbr.h>
25 #ifdef HAVE_SYS_TIME_H
26 # include <sys/time.h>
30 #include <mts/smtp/smtp.h>
33 # define SASLminc(a) (a)
34 #else /* CYRUS_SASL */
35 # define SASLminc(a) 0
36 #endif /* CYRUS_SASL */
39 # define TLSminc(a) (a)
40 #else /* TLS_SUPPORT */
42 #endif /* TLS_SUPPORT */
44 #define FCCS 10 /* max number of fccs allowed */
46 #define uptolow(c) ((isalpha(c) && isupper (c)) ? tolower (c) : c)
48 /* In the following array of structures, the numeric second field of the
49 structures (minchars) is apparently used like this:
51 -# : Switch can be abbreviated to # characters; switch hidden in -help.
52 0 : Switch can't be abbreviated; switch shown in -help.
53 # : Switch can be abbreviated to # characters; switch shown in -help. */
55 static struct swit switches[] = {
57 { "alias aliasfile", 0 },
59 { "check", -5 }, /* interface from whom */
61 { "nocheck", -7 }, /* interface from whom */
65 { "dist", -4 }, /* interface from dist */
67 { "filter filterfile", 0 },
75 { "library directory", -7 }, /* interface from send, whom */
93 { "whom", -4 }, /* interface from whom */
95 { "width columns", 0 },
100 #define BITSTUFFSW 22
101 { "dashstuffing", -12 }, /* should we dashstuff BCC messages? */
102 #define NBITSTUFFSW 23
103 { "nodashstuffing", -14 },
105 { "idanno number", -6 }, /* interface from send */
107 { "client host", -6 },
109 { "server host", 6 }, /* specify alternate SMTP server */
111 { "snoop", -5 }, /* snoop the SMTP transaction */
117 { "sasl", SASLminc(-4) },
119 { "nosasl", SASLminc(-6) },
120 #define SASLMXSSFSW 32
121 { "saslmaxssf", SASLminc(-10) },
122 #define SASLMECHSW 33
123 { "saslmech", SASLminc(-5) },
125 { "user", SASLminc(-4) },
127 { "port server port name/number", 4 },
129 { "tls", TLSminc(-3) },
131 { "notls", TLSminc(-5) },
132 #define FILEPROCSW 38
147 * flags for headers->flags
149 #define HNOP 0x0000 /* just used to keep .set around */
150 #define HBAD 0x0001 /* bad header - don't let it through */
151 #define HADR 0x0002 /* header has an address field */
152 #define HSUB 0x0004 /* Subject: header */
153 #define HTRY 0x0008 /* try to send to addrs on header */
154 #define HBCC 0x0010 /* don't output this header */
155 #define HMNG 0x0020 /* munge this header */
156 #define HNGR 0x0040 /* no groups allowed in this header */
157 #define HFCC 0x0080 /* FCC: type header */
158 #define HNIL 0x0100 /* okay for this header not to have addrs */
159 #define HIGN 0x0200 /* ignore this header */
160 #define HDCC 0x0400 /* another undocumented feature */
163 * flags for headers->set
165 #define MFRM 0x0001 /* we've seen a From: */
166 #define MDAT 0x0002 /* we've seen a Date: */
167 #define MRFM 0x0004 /* we've seen a Resent-From: */
168 #define MVIS 0x0008 /* we've seen sighted addrs */
169 #define MINV 0x0010 /* we've seen blind addrs */
172 static struct headers NHeaders[] = {
173 { "Return-Path", HBAD, 0 },
174 { "Received", HBAD, 0 },
175 { "Reply-To", HADR|HNGR, 0 },
176 { "From", HADR|HNGR, MFRM },
177 { "Sender", HADR|HBAD, 0 },
179 { "Subject", HSUB, 0 },
180 { "To", HADR|HTRY, MVIS },
181 { "cc", HADR|HTRY, MVIS },
182 { "Bcc", HADR|HTRY|HBCC|HNIL, MINV },
183 { "Dcc", HADR|HTRY|HDCC|HNIL, MVIS }, /* sorta cc & bcc combined */
184 { "Message-ID", HBAD, 0 },
189 static struct headers RHeaders[] = {
190 { "Resent-Reply-To", HADR|HNGR, 0 },
191 { "Resent-From", HADR|HNGR, MRFM },
192 { "Resent-Sender", HADR|HBAD, 0 },
193 { "Resent-Date", HBAD, 0 },
194 { "Resent-Subject", HSUB, 0 },
195 { "Resent-To", HADR|HTRY, MVIS },
196 { "Resent-cc", HADR|HTRY, MVIS },
197 { "Resent-Bcc", HADR|HTRY|HBCC, MINV },
198 { "Resent-Message-ID", HBAD, 0 },
199 { "Resent-Fcc", HFCC, 0 },
200 { "Reply-To", HADR, 0 },
201 { "From", HADR|HNGR, MFRM },
202 { "Sender", HADR|HNGR, 0 },
203 { "Date", HNOP, MDAT },
204 { "To", HADR|HNIL, 0 },
205 { "cc", HADR|HNIL, 0 },
206 { "Bcc", HADR|HTRY|HBCC|HNIL, 0 },
211 static short fccind = 0; /* index into fccfold[] */
212 static short outputlinelen = OUTPUTLINELEN;
214 static int pfd = NOTOK; /* fd to write annotation list to */
215 static uid_t myuid= -1; /* my user id */
216 static gid_t mygid= -1; /* my group id */
217 static int recipients = 0; /* how many people will get a copy */
218 static int unkadr = 0; /* how many of those were unknown */
219 static int badadr = 0; /* number of bad addrs */
220 static int badmsg = 0; /* message has bad semantics */
221 static int verbose = 0; /* spell it out */
222 static int format = 1; /* format addresses */
223 static int mime = 0; /* use MIME-style encapsulations for Bcc */
224 static int msgid = 0; /* add msgid */
225 static int debug = 0; /* debugging post */
226 static int watch = 0; /* watch the delivery process */
227 static int whomsw = 0; /* we are whom not post */
228 static int checksw = 0; /* whom -check */
229 static int linepos=0; /* putadr()'s position on the line */
230 static int nameoutput=0; /* putadr() has output header name */
231 static int sasl=0; /* Use SASL auth for SMTP */
232 static int saslssf=-1; /* Our maximum SSF for SASL */
233 static char *saslmech=NULL; /* Force use of particular SASL mech */
234 static char *user=NULL; /* Authenticate as this user */
235 static char *port="smtp"; /* Name of server port for SMTP */
236 static int tls=0; /* Use TLS for encryption */
238 static unsigned msgflags = 0; /* what we've seen */
242 static int msgstate = NORMAL;
244 static time_t tclock = 0; /* the time we started (more or less) */
246 static SIGNAL_HANDLER hstat, istat, qstat, tstat;
248 static char tmpfil[BUFSIZ];
249 static char bccfil[BUFSIZ];
251 static char from[BUFSIZ]; /* my network address */
252 static char signature[BUFSIZ]; /* my signature */
253 static char *filter = NULL; /* the filter for BCC'ing */
254 static char *subject = NULL; /* the subject field for BCC'ing */
255 static char *fccfold[FCCS]; /* foldernames for FCC'ing */
257 static struct headers *hdrtab; /* table for the message we're doing */
259 static struct mailname localaddrs; /* local addrs */
260 static struct mailname netaddrs; /* network addrs */
261 static struct mailname uuaddrs; /* uucp addrs */
262 static struct mailname tmpaddrs; /* temporary queue */
264 static int snoop = 0;
265 static char *clientsw = NULL;
266 static char *serversw = NULL;
268 extern struct smtp sm_reply;
270 static char prefix[] = "----- =_aaaaaaaaaa";
272 static char *partno = NULL;
273 static int queued = 0;
275 extern boolean draft_from_masquerading; /* defined in mts.c */
280 static void putfmt (char *, char *, FILE *);
281 static void start_headers (void);
282 static void finish_headers (FILE *);
283 static int get_header (char *, struct headers *);
284 static int putadr (char *, char *, struct mailname *, FILE *, unsigned int);
285 static void putgrp (char *, char *, FILE *, unsigned int);
286 static int insert (struct mailname *);
287 static void pl (void);
288 static void anno (void);
289 static int annoaux (struct mailname *);
290 static void insert_fcc (struct headers *, unsigned char *);
291 static void make_bcc_file (int);
292 static void verify_all_addresses (int);
293 static void chkadr (void);
294 static void sigon (void);
295 static void sigoff (void);
296 static void p_refile (char *);
297 static void fcc (char *, char *);
298 static void die (char *, char *, ...);
299 static void post (char *, int, int);
300 static void do_text (char *file, int fd);
301 static void do_an_address (struct mailname *, int);
302 static void do_addresses (int, int);
303 static int find_prefix (void);
307 main (int argc, char **argv)
309 int state, compnum, dashstuff = 0;
310 char *cp, *msg = NULL, **argp, **arguments;
311 char buf[BUFSIZ], name[NAMESZ];
315 setlocale(LC_ALL, "");
317 invo_name = r1bindex (argv[0], '/');
319 /* foil search of user profile/context */
320 if (context_foil (NULL) == -1)
323 mts_init (invo_name);
324 arguments = getarguments (invo_name, argc, argv, 0);
327 while ((cp = *argp++)) {
329 switch (smatch (++cp, switches)) {
331 ambigsw (cp, switches);
334 adios (NULL, "-%s unknown", cp);
337 snprintf (buf, sizeof(buf), "%s [switches] file", invo_name);
338 print_help (buf, switches, 0);
341 print_version(invo_name);
345 if (!(cp = *argp++) || *cp == '-')
346 adios (NULL, "missing argument to %s", argp[-2]);
347 /* create a minimal context */
348 if (context_foil (cp) == -1)
353 if (!(cp = *argp++) || *cp == '-')
354 adios (NULL, "missing argument to %s", argp[-2]);
355 if ((state = alias (cp)) != AK_OK)
356 adios (NULL, "aliasing error in %s - %s",
357 cp, akerror (state));
376 if (!(filter = *argp++) || *filter == '-')
377 adios (NULL, "missing argument to %s", argp[-2]);
432 if (!(cp = *argp++) || *cp == '-')
433 adios (NULL, "missing argument to %s", argp[-2]);
434 if ((outputlinelen = atoi (cp)) < 10)
435 adios (NULL, "impossible width %d", outputlinelen);
439 if (!(cp = *argp++) || *cp == '-')
440 adios (NULL, "missing argument to %s", argp[-2]);
441 if ((pfd = atoi (cp)) <= 2)
442 adios (NULL, "bad argument %s %s", argp[-2], cp);
446 if (!(clientsw = *argp++) || *clientsw == '-')
447 adios (NULL, "missing argument to %s", argp[-2]);
450 if (!(serversw = *argp++) || *serversw == '-')
451 adios (NULL, "missing argument to %s", argp[-2]);
458 if (!(partno = *argp++) || *partno == '-')
459 adios (NULL, "missing argument to %s", argp[-2]);
475 if (!(cp = *argp++) || *cp == '-')
476 adios (NULL, "missing argument to %s", argp[-2]);
481 if (!(saslmech = *argp++) || *saslmech == '-')
482 adios (NULL, "missing argument to %s", argp[-2]);
486 if (!(user = *argp++) || *user == '-')
487 adios (NULL, "missing argument to %s", argp[-2]);
491 if (!(port = *argp++) || *port == '-')
492 adios (NULL, "missing argument to %s", argp[-2]);
504 if (!(cp = *argp++) || *cp == '-')
505 adios (NULL, "missing argument to %s", argp[-2]);
510 if (!(cp = *argp++) || *cp == '-')
511 adios (NULL, "missing argument to %s", argp[-2]);
517 adios (NULL, "only one message at a time!");
525 adios (NULL, "usage: %s [switches] file", invo_name);
527 if (outputlinelen < 10)
528 adios (NULL, "impossible width %d", outputlinelen);
530 if ((in = fopen (msg, "r")) == NULL)
531 adios (msg, "unable to open");
536 discard (out = stdout); /* XXX: reference discard() to help loader */
539 if ((out = fopen ("/dev/null", "w")) == NULL)
540 adios ("/dev/null", "unable to open");
542 char *cp = m_mktemp(m_maildir(invo_name), NULL, &out);
544 cp = m_mktemp2(NULL, invo_name, NULL, &out);
546 adios ("post", "unable to create temporary file");
549 strncpy(tmpfil, cp, sizeof(tmpfil));
550 chmod (tmpfil, 0600);
554 hdrtab = msgstate == NORMAL ? NHeaders : RHeaders;
556 for (compnum = 1, state = FLD;;) {
557 switch (state = m_getfld (state, name, buf, sizeof(buf), in)) {
562 cp = add (buf, NULL);
563 while (state == FLDPLUS) {
564 state = m_getfld (state, name, buf, sizeof(buf), in);
567 putfmt (name, cp, out);
571 finish_headers (out);
576 finish_headers (out);
579 fprintf (out, "\n%s", buf);
580 while (state == BODY) {
581 state = m_getfld (state, name, buf, sizeof(buf), in);
587 finish_headers (out);
592 adios (NULL, "message format error in component #%d", compnum);
595 adios (NULL, "getfld() returned %d", state);
611 /* If we are doing a "whom" check */
613 verify_all_addresses (1);
617 if (msgflags & MINV) {
618 make_bcc_file (dashstuff);
619 if (msgflags & MVIS) {
620 verify_all_addresses (verbose);
621 post (tmpfil, 0, verbose);
623 post (bccfil, 1, verbose);
626 post (tmpfil, 0, isatty (1));
633 printf (partno ? "Partial Message #%s Processed\n" : "Message Processed\n",
645 putfmt (char *name, char *str, FILE *out)
647 int count, grp, i, keep;
650 struct mailname *mp = NULL, *np = NULL;
653 while (*str == ' ' || *str == '\t')
656 if (msgstate == NORMAL && uprf (name, "resent")) {
657 advise (NULL, "illegal header line -- %s:", name);
662 if ((i = get_header (name, hdrtab)) == NOTOK) {
663 fprintf (out, "%s: %s", name, str);
668 if (hdr->flags & HIGN) {
671 if (hdr->flags & HBAD) {
672 advise (NULL, "illegal header line -- %s:", name);
676 msgflags |= (hdr->set & ~(MVIS | MINV));
678 if (hdr->flags & HSUB)
679 subject = subject ? add (str, add ("\t", subject)) : getcpy (str);
680 if (hdr->flags & HFCC) {
681 if ((cp = strrchr(str, '\n')))
683 for (cp = pp = str; (cp = strchr(pp, ',')); pp = cp) {
685 insert_fcc (hdr, pp);
687 insert_fcc (hdr, pp);
691 if (!(hdr->flags & HADR)) {
692 fprintf (out, "%s: %s", name, str);
696 tmpaddrs.m_next = NULL;
697 for (count = 0; (cp = getname (str)); count++)
698 if ((mp = getm (cp, NULL, 0, AD_HOST, NULL))) {
702 tmpaddrs.m_next = mp;
706 if (hdr->flags & HTRY)
712 if (hdr->flags & HNIL)
713 fprintf (out, "%s: %s", name, str);
716 advise (NULL, "%s: field requires at least one address", name);
723 nameoutput = linepos = 0;
724 snprintf (namep, sizeof(namep), "%s%s",
725 (hdr->flags & HMNG) ? "Original-" : "", name);
727 for (grp = 0, mp = tmpaddrs.m_next; mp; mp = np)
728 if (mp->m_nohost) { /* also used to test (hdr->flags & HTRY) */
729 /* The address doesn't include a host, so it might be an alias. */
730 pp = akvalue (mp->m_mbox); /* do mh alias substitution */
731 qp = akvisible () ? mp->m_mbox : "";
734 putgrp (namep, np->m_gname, out, hdr->flags);
735 while ((cp = getname (pp))) {
736 if (!(mp = getm (cp, NULL, 0, AD_HOST, NULL))) {
741 if (draft_from_masquerading && ((msgstate == RESENT)
743 : (hdr->set & MFRM)))
744 /* The user manually specified a [Resent-]From: address in
745 their draft and the "masquerade:" line in mts.conf
746 doesn't contain "draft_from", so we'll set things up to
747 use the actual email address embedded in the draft
748 [Resent-]From: (after alias substitution, and without the
749 GECOS full name or angle brackets) as the envelope
751 strncpy(from, auxformat(mp, 0), sizeof(from) - 1);
753 if (hdr->flags & HBCC)
756 mp->m_ingrp = np->m_ingrp;
759 putgrp (namep, mp->m_gname, out, hdr->flags);
762 if (putadr (namep, qp, mp, out, hdr->flags))
763 msgflags |= (hdr->set & (MVIS | MINV));
772 /* Address includes a host, so no alias substitution is needed. */
773 if (draft_from_masquerading && ((msgstate == RESENT)
775 : (hdr->set & MFRM)))
776 /* The user manually specified a [Resent-]From: address in
777 their draft and the "masquerade:" line in mts.conf
778 doesn't contain "draft_from", so we'll set things up to
779 use the actual email address embedded in the draft
780 [Resent-]From: (after alias substitution, and without the
781 GECOS full name or angle brackets) as the envelope
783 strncpy(from, auxformat(mp, 0), sizeof(from) - 1);
785 if (hdr->flags & HBCC)
788 putgrp (namep, mp->m_gname, out, hdr->flags);
791 keep = putadr (namep, "", mp, out, hdr->flags);
795 msgflags |= (hdr->set & (MVIS | MINV));
801 if (grp > 0 && (hdr->flags & HNGR)) {
802 advise (NULL, "%s: field does not allow groups", name);
815 char myhost[BUFSIZ], sigbuf[BUFSIZ];
822 strncpy (from, getlocaladdr(), sizeof(from));
823 strncpy (myhost, LocalName (0), sizeof(myhost));
825 for (cp = myhost; *cp; cp++)
828 if ((cp = getfullname ()) && *cp) {
829 strncpy (sigbuf, cp, sizeof(sigbuf));
830 snprintf (signature, sizeof(signature), "%s <%s>",
831 sigbuf, getlocaladdr());
832 if ((cp = getname (signature)) == NULL)
833 adios (NULL, "getname () failed -- you lose extraordinarily big");
834 if ((mp = getm (cp, NULL, 0, AD_HOST, NULL)) == NULL)
835 adios (NULL, "bad signature '%s'", sigbuf);
840 strncpy (signature, getlocaladdr(), sizeof(signature));
846 * Now that we've outputted the header fields in the draft
847 * message, we will now output any remaining header fields
848 * that we need to add/create.
852 finish_headers (FILE *out)
859 fprintf (out, "Date: %s\n", dtime (&tclock, 0));
861 fprintf (out, "Message-ID: <%d.%ld@%s>\n",
862 (int) getpid (), (long) tclock, LocalName (1));
863 if (msgflags & MFRM) {
864 /* There was already a From: in the draft. Don't add one. */
865 if (!draft_from_masquerading)
866 /* mts.conf didn't contain "masquerade:[...]draft_from[...]"
867 so we'll reveal the user's actual account@thismachine
868 address in a Sender: header (and use it as the envelope
870 fprintf (out, "Sender: %s\n", from);
873 /* Construct a From: header. */
874 fprintf (out, "From: %s\n", signature);
878 if (!(msgflags & MVIS))
879 fprintf (out, "Bcc: Blind Distribution List: ;\n");
883 if (!(msgflags & MDAT)) {
884 advise (NULL, "message has no Date: header");
887 if (!(msgflags & MFRM)) {
888 advise (NULL, "message has no From: header");
894 fprintf (out, "Resent-Date: %s\n", dtime (&tclock, 0));
896 fprintf (out, "Resent-Message-ID: <%d.%ld@%s>\n",
897 (int) getpid (), (long) tclock, LocalName (1));
898 if (msgflags & MRFM) {
899 /* There was already a Resent-From: in draft. Don't add one. */
900 if (!draft_from_masquerading)
901 /* mts.conf didn't contain "masquerade:[...]draft_from[...]"
902 so we'll reveal the user's actual account@thismachine
903 address in a Sender: header (and use it as the envelope
905 fprintf (out, "Resent-Sender: %s\n", from);
908 /* Construct a Resent-From: header. */
909 fprintf (out, "Resent-From: %s\n", signature);
912 if (!(msgflags & MVIS))
913 fprintf (out, "Resent-Bcc: Blind Re-Distribution List: ;\n");
918 adios (NULL, "re-format message and try again");
920 adios (NULL, "no addressees");
925 get_header (char *header, struct headers *table)
929 for (h = table; h->value; h++)
930 if (!mh_strcasecmp (header, h->value))
938 putadr (char *name, char *aka, struct mailname *mp, FILE *out, unsigned int flags)
944 if (mp->m_mbox == NULL || ((flags & HTRY) && !insert (mp)))
946 if ((flags & (HBCC | HDCC)) || mp->m_ingrp)
950 fprintf (out, "%s: ", name);
951 linepos += (nameoutput = strlen (name) + 2);
954 if (*aka && mp->m_type != UUCPHOST && !mp->m_pers)
955 mp->m_pers = getcpy (aka);
958 snprintf (buffer, sizeof(buffer), "%s;", mp->m_gname);
968 if (linepos != nameoutput) {
969 if (len + linepos + 2 > outputlinelen)
970 fprintf (out, ",\n%*s", linepos = nameoutput, "");
980 return (flags & HTRY);
985 putgrp (char *name, char *group, FILE *out, unsigned int flags)
994 fprintf (out, "%s: ", name);
995 linepos += (nameoutput = strlen (name) + 2);
998 cp = concat (group, ";", NULL);
1001 if (linepos > nameoutput) {
1002 if (len + linepos + 2 > outputlinelen) {
1003 fprintf (out, ",\n%*s", nameoutput, "");
1004 linepos = nameoutput;
1018 insert (struct mailname *np)
1020 struct mailname *mp;
1022 if (np->m_mbox == NULL)
1025 for (mp = np->m_type == LOCALHOST ? &localaddrs
1026 : np->m_type == UUCPHOST ? &uuaddrs
1030 if (!mh_strcasecmp (np->m_host, mp->m_next->m_host)
1031 && !mh_strcasecmp (np->m_mbox, mp->m_next->m_mbox)
1032 && np->m_bcc == mp->m_next->m_bcc)
1045 struct mailname *mp;
1047 printf ("-------\n\t-- Addresses --\nlocal:\t");
1048 for (mp = localaddrs.m_next; mp; mp = mp->m_next)
1049 printf ("%s%s%s", mp->m_mbox,
1050 mp->m_bcc ? "[BCC]" : "",
1051 mp->m_next ? ",\n\t" : "");
1053 printf ("\nnet:\t");
1054 for (mp = netaddrs.m_next; mp; mp = mp->m_next)
1055 printf ("%s%s@%s%s%s", mp->m_path ? mp->m_path : "",
1056 mp->m_mbox, mp->m_host,
1057 mp->m_bcc ? "[BCC]" : "",
1058 mp->m_next ? ",\n\t" : "");
1060 printf ("\nuucp:\t");
1061 for (mp = uuaddrs.m_next; mp; mp = mp->m_next)
1062 printf ("%s!%s%s%s", mp->m_host, mp->m_mbox,
1063 mp->m_bcc ? "[BCC]" : "",
1064 mp->m_next ? ",\n\t" : "");
1066 printf ("\n\t-- Folder Copies --\nfcc:\t");
1067 for (i = 0; i < fccind; i++)
1068 printf ("%s%s", fccfold[i], i + 1 < fccind ? ",\n\t" : "");
1076 struct mailname *mp;
1078 for (mp = localaddrs.m_next; mp; mp = mp->m_next)
1079 if (annoaux (mp) == NOTOK)
1082 for (mp = netaddrs.m_next; mp; mp = mp->m_next)
1083 if (annoaux (mp) == NOTOK)
1086 for (mp = uuaddrs.m_next; mp; mp = mp->m_next)
1087 if (annoaux (mp) == NOTOK)
1097 annoaux (struct mailname *mp)
1100 char buffer[BUFSIZ];
1102 snprintf (buffer, sizeof(buffer), "%s\n", adrformat (mp));
1103 i = strlen (buffer);
1105 return (write (pfd, buffer, i) == i ? OK : NOTOK);
1110 insert_fcc (struct headers *hdr, unsigned char *pp)
1114 for (cp = pp; isspace (*cp); cp++)
1116 for (pp += strlen (pp) - 1; pp > cp && isspace (*pp); pp--)
1124 adios (NULL, "too many %ss", hdr->value);
1125 fccfold[fccind++] = getcpy (cp);
1133 make_bcc_file (int dashstuff)
1141 tfile = m_mktemp2(NULL, "bccs", NULL, &out);
1142 if (tfile == NULL) adios("bcc", "unable to create temporary file");
1143 chmod (bccfil, 0600);
1144 strncpy (bccfil, tfile, sizeof(bccfil));
1146 fprintf (out, "Date: %s\n", dtime (&tclock, 0));
1148 fprintf (out, "Message-ID: <%d.%ld@%s>\n",
1149 (int) getpid (), (long) tclock, LocalName (1));
1150 if (msgflags & MFRM) {
1151 /* There was already a From: in the draft. Don't add one. */
1152 if (!draft_from_masquerading)
1153 /* mts.conf didn't contain "masquerade:[...]draft_from[...]"
1154 so we'll reveal the user's actual account@thismachine
1155 address in a Sender: header (and use it as the envelope
1157 fprintf (out, "Sender: %s\n", from);
1160 /* Construct a From: header. */
1161 fprintf (out, "From: %s\n", signature);
1163 fprintf (out, "Subject: %s", subject);
1164 fprintf (out, "BCC:\n");
1167 * Use MIME encapsulation for Bcc messages
1173 * Check if any lines in the message clash with the
1174 * prefix for the MIME multipart separator. If there
1175 * is a clash, increment one of the letters in the
1176 * prefix and check again.
1178 if ((cp = strchr(prefix, 'a')) == NULL)
1179 adios (NULL, "lost prefix start");
1180 while (find_prefix () == NOTOK) {
1185 adios (NULL, "can't find a unique delimiter string");
1190 fprintf (out, "%s: %s\n%s: multipart/digest; boundary=\"",
1191 VRSN_FIELD, VRSN_VALUE, TYPE_FIELD);
1192 fprintf (out, "%s\"\n\n--%s\n\n", prefix, prefix);
1194 fprintf (out, "\n------- Blind-Carbon-Copy\n\n");
1200 * Do mhl filtering of Bcc messages instead
1201 * of MIME encapsulation.
1203 if (filter != NULL) {
1204 vec[0] = r1bindex (mhlproc, '/');
1206 for (i = 0; (child_id = fork()) == NOTOK && i < 5; i++)
1210 adios ("fork", "unable to");
1213 dup2 (fileno (out), 1);
1216 vec[i++] = "-forward";
1221 /* was the flag -[no]dashstuffing specified? */
1223 vec[i++] = "-dashstuffing";
1224 else if (dashstuff < 0)
1225 vec[i++] = "-nodashstuffing";
1228 execvp (mhlproc, vec);
1229 fprintf (stderr, "unable to exec ");
1234 pidXwait (child_id, mhlproc);
1238 if ((fd = open (tmpfil, O_RDONLY)) == NOTOK)
1239 adios (tmpfil, "unable to re-open");
1242 * If using MIME encapsulation, or if the -nodashstuffing
1243 * flag was given, then just copy message. Else do
1244 * RFC934 quoting (dashstuffing).
1246 if (mime || dashstuff < 0)
1247 cpydata (fd, fileno (out), tmpfil, bccfil);
1249 cpydgst (fd, fileno (out), tmpfil, bccfil);
1253 fseek (out, 0L, SEEK_END);
1255 fprintf (out, "\n--%s--\n", prefix);
1257 fprintf (out, "\n------- End of Blind-Carbon-Copy\n");
1263 * Scan message to check if any lines clash with
1264 * the prefix of the MIME multipart separator.
1271 unsigned char buffer[BUFSIZ];
1274 if ((in = fopen (tmpfil, "r")) == NULL)
1275 adios (tmpfil, "unable to re-open");
1277 while (fgets (buffer, sizeof(buffer) - 1, in))
1278 if (buffer[0] == '-' && buffer[1] == '-') {
1281 for (cp = buffer + strlen (buffer) - 1; cp >= buffer; cp--)
1285 if (strcmp (buffer + 2, prefix) == 0) {
1296 #define plural(x) (x == 1 ? "" : "s")
1301 if (badadr && unkadr)
1302 die (NULL, "%d address%s unparsable, %d addressee%s undeliverable",
1303 badadr, plural (badadr), unkadr, plural (badadr));
1305 die (NULL, "%d address%s unparsable", badadr, plural (badadr));
1307 die (NULL, "%d addressee%s undeliverable", unkadr, plural (unkadr));
1312 do_addresses (int bccque, int talk)
1316 struct mailname *lp;
1319 for (lp = localaddrs.m_next; lp; lp = lp->m_next)
1320 if (lp->m_bcc ? bccque : !bccque) {
1322 printf (" -- Local Recipients --\n");
1323 do_an_address (lp, talk);
1328 for (lp = uuaddrs.m_next; lp; lp = lp->m_next)
1329 if (lp->m_bcc ? bccque : !bccque) {
1331 printf (" -- UUCP Recipients --\n");
1332 do_an_address (lp, talk);
1337 for (lp = netaddrs.m_next; lp; lp = lp->m_next)
1338 if (lp->m_bcc ? bccque : !bccque) {
1340 printf (" -- Network Recipients --\n");
1341 do_an_address (lp, talk);
1347 if (rp_isbad (retval = sm_waend ()))
1348 die (NULL, "problem ending addresses; %s", rp_string (retval));
1353 * MTS-SPECIFIC INTERACTION
1358 * SENDMAIL/SMTP routines
1362 post (char *file, int bccque, int talk)
1367 onex = !(msgflags & MINV) || bccque;
1369 if (msgflags & MINV)
1370 printf (" -- Posting for %s Recipients --\n",
1371 bccque ? "Blind" : "Sighted");
1373 printf (" -- Posting for All Recipients --\n");
1378 if (rp_isbad (retval = sm_init (clientsw, serversw, port, watch, verbose,
1379 snoop, onex, queued, sasl, saslssf,
1380 saslmech, user, tls))
1381 || rp_isbad (retval = sm_winit (from)))
1382 die (NULL, "problem initializing server; %s", rp_string (retval));
1384 do_addresses (bccque, talk && verbose);
1385 if ((fd = open (file, O_RDONLY)) == NOTOK)
1386 die (file, "unable to re-open");
1391 sm_end (onex ? OK : DONE);
1395 if (msgflags & MINV)
1396 printf (" -- %s Recipient Copies Posted --\n",
1397 bccque ? "Blind" : "Sighted");
1399 printf (" -- Recipient Copies Posted --\n");
1406 /* Address Verification */
1409 verify_all_addresses (int talk)
1412 struct mailname *lp;
1416 if (!whomsw || checksw)
1417 if (rp_isbad (retval = sm_init (clientsw, serversw, port, watch,
1418 verbose, snoop, 0, queued, sasl,
1419 saslssf, saslmech, user, tls))
1420 || rp_isbad (retval = sm_winit (from)))
1421 die (NULL, "problem initializing server; %s", rp_string (retval));
1423 if (talk && !whomsw)
1424 printf (" -- Address Verification --\n");
1425 if (talk && localaddrs.m_next)
1426 printf (" -- Local Recipients --\n");
1427 for (lp = localaddrs.m_next; lp; lp = lp->m_next)
1428 do_an_address (lp, talk);
1430 if (talk && uuaddrs.m_next)
1431 printf (" -- UUCP Recipients --\n");
1432 for (lp = uuaddrs.m_next; lp; lp = lp->m_next)
1433 do_an_address (lp, talk);
1435 if (talk && netaddrs.m_next)
1436 printf (" -- Network Recipients --\n");
1437 for (lp = netaddrs.m_next; lp; lp = lp->m_next)
1438 do_an_address (lp, talk);
1441 if (talk && !whomsw)
1442 printf (" -- Address Verification Successful --\n");
1444 if (!whomsw || checksw)
1453 do_an_address (struct mailname *lp, int talk)
1459 switch (lp->m_type) {
1463 strncpy (addr, mbox, sizeof(addr));
1467 mbox = auxformat (lp, 0);
1469 snprintf (addr, sizeof(addr), "%s!%s", lp->m_host, lp->m_mbox);
1472 default: /* let SendMail decide if the host is bad */
1475 snprintf (addr, sizeof(addr), "%s at %s", mbox, host);
1480 printf (" %s%s", addr, whomsw && lp->m_bcc ? "[BCC]" : "");
1482 if (whomsw && !checksw) {
1490 switch (retval = sm_wadr (mbox, host,
1491 lp->m_type != UUCPHOST ? lp->m_path : NULL)) {
1494 printf ("address ok\n");
1500 fprintf (stderr, " %s: ", addr);
1501 fprintf (talk ? stdout : stderr, "loses; %s\n",
1502 rp_string (retval));
1508 fprintf (stderr, " %s: ", addr);
1509 die (NULL, "unexpected response; %s", rp_string (retval));
1517 do_text (char *file, int fd)
1522 lseek (fd, (off_t) 0, SEEK_SET);
1524 while ((state = read (fd, buf, sizeof(buf))) > 0) {
1525 if (rp_isbad (retval = sm_wtxt (buf, state)))
1526 die (NULL, "problem writing text; %s\n", rp_string (retval));
1530 die (file, "problem reading from");
1532 switch (retval = sm_wtend ()) {
1538 die (NULL, "posting failed; %s", rp_string (retval));
1541 die (NULL, "unexpected response; %s", rp_string (retval));
1556 if (msgflags & MINV)
1559 if (!whomsw || checksw)
1572 hstat = SIGNAL2 (SIGHUP, sigser);
1573 istat = SIGNAL2 (SIGINT, sigser);
1574 qstat = SIGNAL2 (SIGQUIT, sigser);
1575 tstat = SIGNAL2 (SIGTERM, sigser);
1585 SIGNAL (SIGHUP, hstat);
1586 SIGNAL (SIGINT, istat);
1587 SIGNAL (SIGQUIT, qstat);
1588 SIGNAL (SIGTERM, tstat);
1596 p_refile (char *file)
1604 printf (" -- Filing Folder Copies --\n");
1605 for (i = 0; i < fccind; i++)
1606 fcc (file, fccfold[i]);
1608 printf (" -- Folder Copies Filed --\n");
1613 * Call the `fileproc' to add the file to the folder.
1617 fcc (char *file, char *folder)
1624 printf (" %sFcc %s: ", msgstate == RESENT ? "Resent-" : "", folder);
1627 for (i = 0; (child_id = fork ()) == NOTOK && i < 5; i++)
1633 fprintf (stderr, " %sFcc %s: ",
1634 msgstate == RESENT ? "Resent-" : "", folder);
1635 fprintf (verbose ? stdout : stderr, "no forks, so not ok\n");
1639 /* see if we need to add `+' */
1640 snprintf (fold, sizeof(fold), "%s%s",
1641 *folder == '+' || *folder == '@' ? "" : "+", folder);
1643 /* now exec the fileproc */
1644 execlp (fileproc, r1bindex (fileproc, '/'),
1645 "-link", "-file", file, fold, NULL);
1649 if ((status = pidwait (child_id, OK))) {
1651 fprintf (stderr, " %sFcc %s: ",
1652 msgstate == RESENT ? "Resent-" : "", folder);
1653 pidstatus (status, verbose ? stdout : stderr, NULL);
1656 printf ("folder ok\n");
1668 die (char *what, char *fmt, ...)
1673 if (msgflags & MINV)
1676 if (!whomsw || checksw)
1680 advertise (what, NULL, fmt, ap);