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Autoconf/automake cleanup
[nmh] / uip / post.c
1
2 /*
3 * post.c -- enter messages into the mail transport system
4 *
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.
8 */
9
10 #include <h/mh.h>
11 #include <fcntl.h>
12 #include <h/signals.h>
13 #include <h/addrsbr.h>
14 #include <h/aliasbr.h>
15 #include <h/dropsbr.h>
16 #include <h/mime.h>
17 #include <h/utils.h>
18
19 #include <h/tws.h>
20 #include <h/mts.h>
21
22 #include <errno.h>
23 #include <signal.h>
24
25 #ifdef HAVE_SYS_TIME_H
26 # include <sys/time.h>
27 #endif
28 #include <time.h>
29
30 #include <mts/smtp/smtp.h>
31
32 #ifndef CYRUS_SASL
33 # define SASLminc(a) (a)
34 #else /* CYRUS_SASL */
35 # define SASLminc(a) 0
36 #endif /* CYRUS_SASL */
37
38 #ifndef TLS_SUPPORT
39 # define TLSminc(a) (a)
40 #else /* TLS_SUPPORT */
41 # define TLSminc(a) 0
42 #endif /* TLS_SUPPORT */
43
44 #define FCCS 10 /* max number of fccs allowed */
45
46 /* In the following array of structures, the numeric second field of the
47 structures (minchars) is apparently used like this:
48
49 -# : Switch can be abbreviated to # characters; switch hidden in -help.
50 0 : Switch can't be abbreviated; switch shown in -help.
51 # : Switch can be abbreviated to # characters; switch shown in -help. */
52
53 static struct swit switches[] = {
54 #define ALIASW 0
55 { "alias aliasfile", 0 },
56 #define CHKSW 1
57 { "check", -5 }, /* interface from whom */
58 #define NCHKSW 2
59 { "nocheck", -7 }, /* interface from whom */
60 #define DEBUGSW 3
61 { "debug", -5 },
62 #define DISTSW 4
63 { "dist", -4 }, /* interface from dist */
64 #define FILTSW 5
65 { "filter filterfile", 0 },
66 #define NFILTSW 6
67 { "nofilter", 0 },
68 #define FRMTSW 7
69 { "format", 0 },
70 #define NFRMTSW 8
71 { "noformat", 0 },
72 #define LIBSW 9
73 { "library directory", -7 }, /* interface from send, whom */
74 #define MIMESW 10
75 { "mime", 0 },
76 #define NMIMESW 11
77 { "nomime", 0 },
78 #define MSGDSW 12
79 { "msgid", 0 },
80 #define NMSGDSW 13
81 { "nomsgid", 0 },
82 #define VERBSW 14
83 { "verbose", 0 },
84 #define NVERBSW 15
85 { "noverbose", 0 },
86 #define WATCSW 16
87 { "watch", 0 },
88 #define NWATCSW 17
89 { "nowatch", 0 },
90 #define WHOMSW 18
91 { "whom", -4 }, /* interface from whom */
92 #define WIDTHSW 19
93 { "width columns", 0 },
94 #define VERSIONSW 20
95 { "version", 0 },
96 #define HELPSW 21
97 { "help", 0 },
98 #define BITSTUFFSW 22
99 { "dashstuffing", -12 }, /* should we dashstuff BCC messages? */
100 #define NBITSTUFFSW 23
101 { "nodashstuffing", -14 },
102 #define ANNOSW 24
103 { "idanno number", -6 }, /* interface from send */
104 #define CLIESW 25
105 { "client host", -6 },
106 #define SERVSW 26
107 { "server host", 6 }, /* specify alternate SMTP server */
108 #define SNOOPSW 27
109 { "snoop", -5 }, /* snoop the SMTP transaction */
110 #define PARTSW 28
111 { "partno", -6 },
112 #define QUEUESW 29
113 { "queued", -6 },
114 #define SASLSW 30
115 { "sasl", SASLminc(-4) },
116 #define NOSASLSW 31
117 { "nosasl", SASLminc(-6) },
118 #define SASLMXSSFSW 32
119 { "saslmaxssf", SASLminc(-10) },
120 #define SASLMECHSW 33
121 { "saslmech", SASLminc(-5) },
122 #define USERSW 34
123 { "user", SASLminc(-4) },
124 #define PORTSW 35
125 { "port server port name/number", 4 },
126 #define TLSSW 36
127 { "tls", TLSminc(-3) },
128 #define NTLSSW 37
129 { "notls", TLSminc(-5) },
130 #define FILEPROCSW 38
131 { "fileproc", -4 },
132 #define MHLPROCSW 39
133 { "mhlproc", -3 },
134 #define MTSSW 40
135 { "mts smtp|sendmail/smtp|sendmail/pipe", 2 },
136 #define MESSAGEIDSW 41
137 { "messageid localname|random", 2 },
138 { NULL, 0 }
139 };
140
141
142 struct headers {
143 char *value;
144 unsigned int flags;
145 unsigned int set;
146 };
147
148 /*
149 * flags for headers->flags
150 */
151 #define HNOP 0x0000 /* just used to keep .set around */
152 #define HBAD 0x0001 /* bad header - don't let it through */
153 #define HADR 0x0002 /* header has an address field */
154 #define HSUB 0x0004 /* Subject: header */
155 #define HTRY 0x0008 /* try to send to addrs on header */
156 #define HBCC 0x0010 /* don't output this header, unless MTS_SENDMAIL_PIPE */
157 #define HMNG 0x0020 /* munge this header */
158 #define HNGR 0x0040 /* no groups allowed in this header */
159 #define HFCC 0x0080 /* FCC: type header */
160 #define HNIL 0x0100 /* okay for this header not to have addrs */
161 #define HIGN 0x0200 /* ignore this header */
162 #define HDCC 0x0400 /* another undocumented feature */
163 #define HONE 0x0800 /* Only (zero or) one address allowed */
164 #define HEFM 0x1000 /* Envelope-From: header */
165
166 /*
167 * flags for headers->set
168 */
169 #define MFRM 0x0001 /* we've seen a From: */
170 #define MDAT 0x0002 /* we've seen a Date: */
171 #define MRFM 0x0004 /* we've seen a Resent-From: */
172 #define MVIS 0x0008 /* we've seen sighted addrs */
173 #define MINV 0x0010 /* we've seen blind addrs */
174 #define MSND 0x0020 /* we've seen a Sender: */
175 #define MRSN 0x0040 /* We've seen a Resent-Sendr:*/
176 #define MEFM 0x0080 /* We've seen Envelope-From: */
177
178
179 static struct headers NHeaders[] = {
180 { "Return-Path", HBAD, 0 },
181 { "Received", HBAD, 0 },
182 { "Reply-To", HADR|HNGR, 0 },
183 { "From", HADR|HNGR, MFRM },
184 { "Sender", HADR|HNGR|HONE, MSND },
185 { "Date", HBAD, 0 },
186 { "Subject", HSUB, 0 },
187 { "To", HADR|HTRY, MVIS },
188 { "cc", HADR|HTRY, MVIS },
189 { "Bcc", HADR|HTRY|HBCC|HNIL, MINV },
190 { "Dcc", HADR|HTRY|HDCC|HNIL, MVIS }, /* sorta cc & bcc combined */
191 { "Message-ID", HBAD, 0 },
192 { "Fcc", HFCC, 0 },
193 { "Envelope-From", HADR|HONE|HEFM, MEFM },
194 { NULL, 0, 0 }
195 };
196
197 static struct headers RHeaders[] = {
198 { "Resent-Reply-To", HADR|HNGR, 0 },
199 { "Resent-From", HADR|HNGR, MRFM },
200 { "Resent-Sender", HADR|HNGR, MRSN },
201 { "Resent-Date", HBAD, 0 },
202 { "Resent-Subject", HSUB, 0 },
203 { "Resent-To", HADR|HTRY, MVIS },
204 { "Resent-cc", HADR|HTRY, MVIS },
205 { "Resent-Bcc", HADR|HTRY|HBCC, MINV },
206 { "Resent-Message-ID", HBAD, 0 },
207 { "Resent-Fcc", HFCC, 0 },
208 { "Reply-To", HADR, 0 },
209 { "From", HADR|HNGR, MFRM },
210 { "Sender", HADR|HNGR, MSND },
211 { "Date", HNOP, MDAT },
212 { "To", HADR|HNIL, 0 },
213 { "cc", HADR|HNIL, 0 },
214 { "Bcc", HADR|HTRY|HBCC|HNIL, 0 },
215 { "Fcc", HIGN, 0 },
216 { "Envelope-From", HADR|HONE|HEFM, MEFM },
217 { NULL, 0, 0 }
218 };
219
220 static short fccind = 0; /* index into fccfold[] */
221 static short outputlinelen = OUTPUTLINELEN;
222
223 static int pfd = NOTOK; /* fd to write annotation list to */
224 static uid_t myuid= -1; /* my user id */
225 static gid_t mygid= -1; /* my group id */
226 static int recipients = 0; /* how many people will get a copy */
227 static int unkadr = 0; /* how many of those were unknown */
228 static int badadr = 0; /* number of bad addrs */
229 static int badmsg = 0; /* message has bad semantics */
230 static int verbose = 0; /* spell it out */
231 static int format = 1; /* format addresses */
232 static int mime = 0; /* use MIME-style encapsulations for Bcc */
233 static int msgid = 0; /* add msgid */
234 static int debug = 0; /* debugging post */
235 static int watch = 0; /* watch the delivery process */
236 static int whomsw = 0; /* we are whom not post */
237 static int checksw = 0; /* whom -check */
238 static int linepos=0; /* putadr()'s position on the line */
239 static int nameoutput=0; /* putadr() has output header name */
240 static int sasl=0; /* Use SASL auth for SMTP */
241 static int saslssf=-1; /* Our maximum SSF for SASL */
242 static char *saslmech=NULL; /* Force use of particular SASL mech */
243 static char *user=NULL; /* Authenticate as this user */
244 static char *port="smtp"; /* Name of server port for SMTP */
245 static int tls=0; /* Use TLS for encryption */
246 static int fromcount=0; /* Count of addresses on From: header */
247 static int seensender=0; /* Have we seen a Sender: header? */
248
249 static unsigned msgflags = 0; /* what we've seen */
250
251 #define NORMAL 0
252 #define RESENT 1
253 static int msgstate = NORMAL;
254
255 static time_t tclock = 0; /* the time we started (more or less) */
256
257 static SIGNAL_HANDLER hstat, istat, qstat, tstat;
258
259 static char tmpfil[BUFSIZ];
260 static char bccfil[BUFSIZ];
261
262 static char from[BUFSIZ]; /* my network address */
263 static char sender[BUFSIZ]; /* my Sender: header */
264 static char efrom[BUFSIZ]; /* my Envelope-From: header */
265 static char fullfrom[BUFSIZ]; /* full contents of From header */
266 static char signature[BUFSIZ]; /* my signature */
267 static char *filter = NULL; /* the filter for BCC'ing */
268 static char *subject = NULL; /* the subject field for BCC'ing */
269 static char *fccfold[FCCS]; /* foldernames for FCC'ing */
270
271 static struct headers *hdrtab; /* table for the message we're doing */
272
273 static struct mailname localaddrs; /* local addrs */
274 static struct mailname netaddrs; /* network addrs */
275 static struct mailname uuaddrs; /* uucp addrs */
276 static struct mailname tmpaddrs; /* temporary queue */
277
278 static int snoop = 0;
279 static char *clientsw = NULL;
280 static char *serversw = NULL;
281
282 extern struct smtp sm_reply;
283
284 static char prefix[] = "----- =_aaaaaaaaaa";
285
286 static char *partno = NULL;
287 static int queued = 0;
288
289 /*
290 * static prototypes
291 */
292 static void putfmt (char *, char *, FILE *);
293 static void start_headers (void);
294 static void finish_headers (FILE *);
295 static int get_header (char *, struct headers *);
296 static int putadr (char *, char *, struct mailname *, FILE *, unsigned int);
297 static void putgrp (char *, char *, FILE *, unsigned int);
298 static int insert (struct mailname *);
299 static void pl (void);
300 static void anno (void);
301 static int annoaux (struct mailname *);
302 static void insert_fcc (struct headers *, unsigned char *);
303 static void make_bcc_file (int);
304 static void verify_all_addresses (int, char *);
305 static void chkadr (void);
306 static void sigon (void);
307 static void sigoff (void);
308 static void p_refile (char *);
309 static void fcc (char *, char *);
310 static void die (char *, char *, ...);
311 static void post (char *, int, int, char *);
312 static void do_text (char *file, int fd);
313 static void do_an_address (struct mailname *, int);
314 static void do_addresses (int, int);
315 static int find_prefix (void);
316
317
318 int
319 main (int argc, char **argv)
320 {
321 int state, compnum, dashstuff = 0;
322 char *cp, *msg = NULL, **argp, **arguments, *envelope;
323 char buf[BUFSIZ], name[NAMESZ];
324 FILE *in, *out;
325
326 #ifdef LOCALE
327 setlocale(LC_ALL, "");
328 #endif
329 invo_name = r1bindex (argv[0], '/');
330
331 /* foil search of user profile/context */
332 if (context_foil (NULL) == -1)
333 done (1);
334
335 mts_init (invo_name);
336 arguments = getarguments (invo_name, argc, argv, 0);
337 argp = arguments;
338
339 while ((cp = *argp++)) {
340 if (*cp == '-') {
341 switch (smatch (++cp, switches)) {
342 case AMBIGSW:
343 ambigsw (cp, switches);
344 done (1);
345 case UNKWNSW:
346 adios (NULL, "-%s unknown", cp);
347
348 case HELPSW:
349 snprintf (buf, sizeof(buf), "%s [switches] file", invo_name);
350 print_help (buf, switches, 0);
351 done (0);
352 case VERSIONSW:
353 print_version(invo_name);
354 done (0);
355
356 case LIBSW:
357 if (!(cp = *argp++) || *cp == '-')
358 adios (NULL, "missing argument to %s", argp[-2]);
359 /* create a minimal context */
360 if (context_foil (cp) == -1)
361 done (1);
362 continue;
363
364 case ALIASW:
365 if (!(cp = *argp++) || *cp == '-')
366 adios (NULL, "missing argument to %s", argp[-2]);
367 if ((state = alias (cp)) != AK_OK)
368 adios (NULL, "aliasing error in %s - %s",
369 cp, akerror (state));
370 continue;
371
372 case CHKSW:
373 checksw++;
374 continue;
375 case NCHKSW:
376 checksw = 0;
377 continue;
378
379 case DEBUGSW:
380 debug++;
381 continue;
382
383 case DISTSW:
384 msgstate = RESENT;
385 continue;
386
387 case FILTSW:
388 if (!(filter = *argp++) || *filter == '-')
389 adios (NULL, "missing argument to %s", argp[-2]);
390 mime = 0;
391 continue;
392 case NFILTSW:
393 filter = NULL;
394 continue;
395
396 case FRMTSW:
397 format++;
398 continue;
399 case NFRMTSW:
400 format = 0;
401 continue;
402
403 case BITSTUFFSW:
404 dashstuff = 1;
405 continue;
406 case NBITSTUFFSW:
407 dashstuff = -1;
408 continue;
409
410 case MIMESW:
411 mime++;
412 filter = NULL;
413 continue;
414 case NMIMESW:
415 mime = 0;
416 continue;
417
418 case MSGDSW:
419 msgid++;
420 continue;
421 case NMSGDSW:
422 msgid = 0;
423 continue;
424
425 case VERBSW:
426 verbose++;
427 continue;
428 case NVERBSW:
429 verbose = 0;
430 continue;
431
432 case WATCSW:
433 watch++;
434 continue;
435 case NWATCSW:
436 watch = 0;
437 continue;
438
439 case WHOMSW:
440 whomsw++;
441 continue;
442
443 case WIDTHSW:
444 if (!(cp = *argp++) || *cp == '-')
445 adios (NULL, "missing argument to %s", argp[-2]);
446 if ((outputlinelen = atoi (cp)) < 10)
447 adios (NULL, "impossible width %d", outputlinelen);
448 continue;
449
450 case ANNOSW:
451 if (!(cp = *argp++) || *cp == '-')
452 adios (NULL, "missing argument to %s", argp[-2]);
453 if ((pfd = atoi (cp)) <= 2)
454 adios (NULL, "bad argument %s %s", argp[-2], cp);
455 continue;
456
457 case CLIESW:
458 if (!(clientsw = *argp++) || *clientsw == '-')
459 adios (NULL, "missing argument to %s", argp[-2]);
460 continue;
461 case SERVSW:
462 if (!(serversw = *argp++) || *serversw == '-')
463 adios (NULL, "missing argument to %s", argp[-2]);
464 continue;
465 case SNOOPSW:
466 snoop++;
467 continue;
468
469 case PARTSW:
470 if (!(partno = *argp++) || *partno == '-')
471 adios (NULL, "missing argument to %s", argp[-2]);
472 continue;
473
474 case QUEUESW:
475 queued++;
476 continue;
477
478 case SASLSW:
479 sasl++;
480 continue;
481
482 case NOSASLSW:
483 sasl = 0;
484 continue;
485
486 case SASLMXSSFSW:
487 if (!(cp = *argp++) || *cp == '-')
488 adios (NULL, "missing argument to %s", argp[-2]);
489 saslssf = atoi(cp);
490 continue;
491
492 case SASLMECHSW:
493 if (!(saslmech = *argp++) || *saslmech == '-')
494 adios (NULL, "missing argument to %s", argp[-2]);
495 continue;
496
497 case USERSW:
498 if (!(user = *argp++) || *user == '-')
499 adios (NULL, "missing argument to %s", argp[-2]);
500 continue;
501
502 case PORTSW:
503 if (!(port = *argp++) || *port == '-')
504 adios (NULL, "missing argument to %s", argp[-2]);
505 continue;
506
507 case TLSSW:
508 tls++;
509 continue;
510
511 case NTLSSW:
512 tls = 0;
513 continue;
514
515 case FILEPROCSW:
516 if (!(cp = *argp++) || *cp == '-')
517 adios (NULL, "missing argument to %s", argp[-2]);
518 fileproc = cp;
519 continue;
520
521 case MHLPROCSW:
522 if (!(cp = *argp++) || *cp == '-')
523 adios (NULL, "missing argument to %s", argp[-2]);
524 mhlproc = cp;
525 continue;
526
527 case MTSSW:
528 if (!(cp = *argp++) || *cp == '-')
529 adios (NULL, "missing argument to %s", argp[-2]);
530 save_mts_method (cp);
531 continue;
532
533 case MESSAGEIDSW:
534 if (!(cp = *argp++) || *cp == '-')
535 adios (NULL, "missing argument to %s", argp[-2]);
536 if (save_message_id_style (cp) != 0)
537 adios (NULL, "unsupported messageid \"%s\"", cp);
538 continue;
539 }
540 }
541 if (msg)
542 adios (NULL, "only one message at a time!");
543 else
544 msg = cp;
545 }
546
547 alias (AliasFile);
548
549 if (!msg)
550 adios (NULL, "usage: %s [switches] file", invo_name);
551
552 if (outputlinelen < 10)
553 adios (NULL, "impossible width %d", outputlinelen);
554
555 if ((in = fopen (msg, "r")) == NULL)
556 adios (msg, "unable to open");
557
558 start_headers ();
559 if (debug) {
560 verbose++;
561 discard (out = stdout); /* XXX: reference discard() to help loader */
562 } else {
563 if (whomsw) {
564 if ((out = fopen ("/dev/null", "w")) == NULL)
565 adios ("/dev/null", "unable to open");
566 } else {
567 char *cp = m_mktemp(m_maildir(invo_name), NULL, &out);
568 if (cp == NULL) {
569 cp = m_mktemp2(NULL, invo_name, NULL, &out);
570 if (cp == NULL) {
571 adios ("post", "unable to create temporary file");
572 }
573 }
574 strncpy(tmpfil, cp, sizeof(tmpfil));
575 chmod (tmpfil, 0600);
576 }
577 }
578
579 hdrtab = msgstate == NORMAL ? NHeaders : RHeaders;
580
581 for (compnum = 1, state = FLD;;) {
582 switch (state = m_getfld (state, name, buf, sizeof(buf), in)) {
583 case FLD:
584 case FLDEOF:
585 case FLDPLUS:
586 compnum++;
587 cp = add (buf, NULL);
588 while (state == FLDPLUS) {
589 state = m_getfld (state, name, buf, sizeof(buf), in);
590 cp = add (buf, cp);
591 }
592 putfmt (name, cp, out);
593 free (cp);
594 if (state != FLDEOF)
595 continue;
596 finish_headers (out);
597 break;
598
599 case BODY:
600 case BODYEOF:
601 finish_headers (out);
602 if (whomsw)
603 break;
604 fprintf (out, "\n%s", buf);
605 while (state == BODY) {
606 state = m_getfld (state, name, buf, sizeof(buf), in);
607 fputs (buf, out);
608 }
609 break;
610
611 case FILEEOF:
612 finish_headers (out);
613 break;
614
615 case LENERR:
616 case FMTERR:
617 adios (NULL, "message format error in component #%d", compnum);
618
619 default:
620 adios (NULL, "getfld() returned %d", state);
621 }
622 break;
623 }
624
625 if (pfd != NOTOK)
626 anno ();
627 fclose (in);
628
629 if (debug) {
630 pl ();
631 done (0);
632 } else {
633 fclose (out);
634 }
635
636 /*
637 * Here's how we decide which address to use as the envelope-from
638 * address for SMTP.
639 *
640 * - If we were given an Envelope-From header, use that.
641 * - If we were given a Sender: address, use that.
642 * - Otherwise, use the address on the From: line
643 */
644
645 if (msgflags & MEFM) {
646 envelope = efrom;
647 } else if (seensender) {
648 envelope = sender;
649 } else {
650 envelope = from;
651 }
652
653 /* If we are doing a "whom" check */
654 if (whomsw) {
655 /* This won't work with MTS_SENDMAIL_PIPE. */
656 verify_all_addresses (1, envelope);
657 done (0);
658 }
659
660 if (msgflags & MINV) {
661 make_bcc_file (dashstuff);
662 if (msgflags & MVIS) {
663 if (sm_mts != MTS_SENDMAIL_PIPE) {
664 /* It would be nice to have support to call
665 verify_all_addresses with MTS_SENDMAIL_PIPE, but
666 that might require running sendmail as root. Note
667 that spost didn't verify addresses. */
668 verify_all_addresses (verbose, envelope);
669 }
670 post (tmpfil, 0, verbose, envelope);
671 }
672 post (bccfil, 1, verbose, envelope);
673 unlink (bccfil);
674 } else {
675 post (tmpfil, 0, isatty (1), envelope);
676 }
677
678 p_refile (tmpfil);
679 unlink (tmpfil);
680
681 if (verbose)
682 printf (partno ? "Partial Message #%s Processed\n" : "Message Processed\n",
683 partno);
684 done (0);
685 return 1;
686 }
687
688
689 /*
690 * DRAFT GENERATION
691 */
692
693 static void
694 putfmt (char *name, char *str, FILE *out)
695 {
696 int count, grp, i, keep;
697 char *cp, *pp, *qp;
698 char namep[BUFSIZ];
699 struct mailname *mp = NULL, *np = NULL;
700 struct headers *hdr;
701
702 while (*str == ' ' || *str == '\t')
703 str++;
704
705 if (msgstate == NORMAL && uprf (name, "resent")) {
706 advise (NULL, "illegal header line -- %s:", name);
707 badmsg++;
708 return;
709 }
710
711 if ((i = get_header (name, hdrtab)) == NOTOK) {
712 if (strncasecmp (name, "nmh-", 4)) {
713 fprintf (out, "%s: %s", name, str);
714 } else {
715 /* Filter out all Nmh-* headers, because Norm asked. They
716 should never have reached this point. Warn about any
717 that are non-empty. */
718 if (strcmp (str, "\n")) {
719 char *newline = strchr (str, '\n');
720 if (newline) *newline = '\0';
721 if (! whomsw) {
722 advise (NULL, "ignoring header line -- %s: %s", name, str);
723 }
724 }
725 }
726
727 return;
728 }
729
730 hdr = &hdrtab[i];
731 if (hdr->flags & HIGN) {
732 return;
733 }
734 if (hdr->flags & HBAD) {
735 advise (NULL, "illegal header line -- %s:", name);
736 badmsg++;
737 return;
738 }
739 msgflags |= (hdr->set & ~(MVIS | MINV));
740
741 if (hdr->flags & HSUB)
742 subject = subject ? add (str, add ("\t", subject)) : getcpy (str);
743 if (hdr->flags & HFCC) {
744 if ((cp = strrchr(str, '\n')))
745 *cp = 0;
746 for (cp = pp = str; (cp = strchr(pp, ',')); pp = cp) {
747 *cp++ = 0;
748 insert_fcc (hdr, pp);
749 }
750 insert_fcc (hdr, pp);
751 return;
752 }
753
754 if (!(hdr->flags & HADR)) {
755 fprintf (out, "%s: %s", name, str);
756 return;
757 }
758
759 tmpaddrs.m_next = NULL;
760 for (count = 0; (cp = getname (str)); count++)
761 if ((mp = getm (cp, NULL, 0, AD_HOST, NULL))) {
762 if (tmpaddrs.m_next)
763 np->m_next = mp;
764 else
765 tmpaddrs.m_next = mp;
766 np = mp;
767 }
768 else
769 if (hdr->flags & HTRY)
770 badadr++;
771 else
772 badmsg++;
773
774 if (count < 1) {
775 if (hdr->flags & HNIL)
776 fprintf (out, "%s: %s", name, str);
777 else {
778 /*
779 * Sender (or Resent-Sender) can have only one address
780 */
781 if ((msgstate == RESENT) ? (hdr->set & MRSN)
782 : (hdr->set & MSND)) {
783 advise (NULL, "%s: field requires one address", name);
784 badmsg++;
785 }
786 #ifdef notdef
787 advise (NULL, "%s: field requires at least one address", name);
788 badmsg++;
789 #endif /* notdef */
790 }
791 return;
792 }
793
794 if (count > 1 && (hdr->flags & HONE)) {
795 advise (NULL, "%s: field only permits one address", name);
796 badmsg++;
797 return;
798 }
799
800 nameoutput = linepos = 0;
801 snprintf (namep, sizeof(namep), "%s%s",
802 (hdr->flags & HMNG) ? "Original-" : "", name);
803
804 for (grp = 0, mp = tmpaddrs.m_next; mp; mp = np)
805 if (mp->m_nohost) { /* also used to test (hdr->flags & HTRY) */
806 /* The address doesn't include a host, so it might be an alias. */
807 pp = akvalue (mp->m_mbox); /* do mh alias substitution */
808 qp = akvisible () ? mp->m_mbox : "";
809 np = mp;
810 if (np->m_gname)
811 putgrp (namep, np->m_gname, out, hdr->flags);
812 while ((cp = getname (pp))) {
813 if (!(mp = getm (cp, NULL, 0, AD_HOST, NULL))) {
814 badadr++;
815 continue;
816 }
817
818 /*
819 * If it's a From: or Resent-From: header, save the address
820 * for later possible use (as the envelope address for SMTP)
821 */
822
823 if ((msgstate == RESENT) ? (hdr->set & MRFM)
824 : (hdr->set & MFRM)) {
825 strncpy(from, auxformat(mp, 0), sizeof(from) - 1);
826 from[sizeof(from) - 1] = '\0';
827 fromcount = count;
828 }
829
830 /*
831 * Also save the Sender: or Resent-Sender: header as well
832 */
833
834 if ((msgstate == RESENT) ? (hdr->set & MRSN)
835 : (hdr->set & MSND)) {
836 strncpy(sender, auxformat(mp, 0), sizeof(sender) - 1);
837 sender[sizeof(sender) - 1] = '\0';
838 seensender++;
839 }
840
841 /*
842 * ALSO ... save Envelope-From
843 */
844
845 if (hdr->set & MEFM) {
846 strncpy(efrom, auxformat(mp, 0), sizeof(efrom) - 1);
847 efrom[sizeof(efrom) - 1] = '\0';
848 }
849
850 if (hdr->flags & HBCC)
851 mp->m_bcc++;
852 if (np->m_ingrp)
853 mp->m_ingrp = np->m_ingrp;
854 else
855 if (mp->m_gname)
856 putgrp (namep, mp->m_gname, out, hdr->flags);
857 if (mp->m_ingrp) {
858 if (sm_mts == MTS_SENDMAIL_PIPE) {
859 /* Catch this before sendmail chokes with:
860 "553 List:; syntax illegal for recipient
861 addresses".
862 If we wanted to, we could expand out blind
863 aliases and put them in Bcc:, but then
864 they'd have the Blind-Carbon-Copy
865 indication. */
866 adios (NULL,
867 "blind lists not compatible with"
868 " sendmail/pipe");
869 }
870
871 grp++;
872 }
873 if (putadr (namep, qp, mp, out, hdr->flags))
874 msgflags |= (hdr->set & (MVIS | MINV));
875 else
876 mnfree (mp);
877 }
878 mp = np;
879 np = np->m_next;
880 mnfree (mp);
881 }
882 else {
883 /* Address includes a host, so no alias substitution is needed. */
884
885 /*
886 * If it's a From: or Resent-From header, save the address
887 * for later possible use (as the envelope address for SMTP)
888 */
889
890 if ((msgstate == RESENT) ? (hdr->set & MRFM)
891 : (hdr->set & MFRM)) {
892 strncpy(from, auxformat(mp, 0), sizeof(from) - 1);
893 fromcount = count;
894 }
895
896 /*
897 * Also save the Sender: header as well
898 */
899
900 if ((msgstate == RESENT) ? (hdr->set & MRSN)
901 : (hdr->set & MSND)) {
902 strncpy(sender, auxformat(mp, 0), sizeof(sender) - 1);
903 sender[sizeof(sender) - 1] = '\0';
904 seensender++;
905 }
906
907 /*
908 * ALSO ... save Envelope-From
909 */
910
911 if (hdr->set & MEFM) {
912 strncpy(efrom, auxformat(mp, 0), sizeof(efrom) - 1);
913 efrom[sizeof(efrom) - 1] = '\0';
914 }
915
916 if (hdr->flags & HBCC)
917 mp->m_bcc++;
918 if (mp->m_gname)
919 putgrp (namep, mp->m_gname, out, hdr->flags);
920 if (mp->m_ingrp)
921 grp++;
922 keep = putadr (namep, "", mp, out, hdr->flags);
923 np = mp->m_next;
924 if (keep) {
925 mp->m_next = NULL;
926 msgflags |= (hdr->set & (MVIS | MINV));
927 }
928 else
929 mnfree (mp);
930 }
931
932 /*
933 * If this is a From:/Resent-From: header, save the full thing for
934 * later in case we need it for use when constructing a Bcc draft message
935 */
936
937 if ((msgstate == RESENT) ? (hdr->set & MRFM) : (hdr->set & MFRM)) {
938 strncpy(fullfrom, str, sizeof(fullfrom));
939 fullfrom[sizeof(fullfrom) - 1] = 0;
940 /*
941 * Strip off any trailing newlines
942 */
943
944 while (strlen(fullfrom) > 0 && fullfrom[strlen(fullfrom) - 1] == '\n') {
945 fullfrom[strlen(fullfrom) - 1] = '\0';
946 }
947 }
948
949 if (grp > 0 && (hdr->flags & HNGR)) {
950 advise (NULL, "%s: field does not allow groups", name);
951 badmsg++;
952 }
953 if (linepos) {
954 putc ('\n', out);
955 }
956 }
957
958
959 static void
960 start_headers (void)
961 {
962 unsigned char *cp;
963 char sigbuf[BUFSIZ];
964 struct mailname *mp;
965
966 myuid = getuid ();
967 mygid = getgid ();
968 time (&tclock);
969
970 /*
971 * Probably not necessary, but just in case ...
972 */
973
974 from[0] = '\0';
975 efrom[0] = '\0';
976 sender[0] = '\0';
977 fullfrom[0] = '\0';
978
979 if ((cp = getfullname ()) && *cp) {
980 strncpy (sigbuf, cp, sizeof(sigbuf));
981 snprintf (signature, sizeof(signature), "%s <%s>",
982 sigbuf, getlocaladdr());
983 if ((cp = getname (signature)) == NULL)
984 adios (NULL, "getname () failed -- you lose extraordinarily big");
985 if ((mp = getm (cp, NULL, 0, AD_HOST, NULL)) == NULL)
986 adios (NULL, "bad signature '%s'", sigbuf);
987 mnfree (mp);
988 while (getname (""))
989 continue;
990 } else {
991 strncpy (signature, getlocaladdr(), sizeof(signature));
992 }
993 }
994
995
996 /*
997 * Now that we've outputted the header fields in the draft
998 * message, we will now output any remaining header fields
999 * that we need to add/create.
1000 */
1001
1002 static void
1003 finish_headers (FILE *out)
1004 {
1005 switch (msgstate) {
1006 case NORMAL:
1007 if (!(msgflags & MFRM)) {
1008 /*
1009 * A From: header is now required in the draft.
1010 */
1011 advise (NULL, "message has no From: header");
1012 advise (NULL, "See default components files for examples");
1013 badmsg++;
1014 break;
1015 }
1016
1017 if (fromcount > 1 && (seensender == 0 && !(msgflags & MEFM))) {
1018 advise (NULL, "A Sender: or Envelope-From: header is required "
1019 "with multiple\nFrom: addresses");
1020 badmsg++;
1021 break;
1022 }
1023
1024 if (whomsw)
1025 break;
1026
1027 fprintf (out, "Date: %s\n", dtime (&tclock, 0));
1028 if (msgid)
1029 fprintf (out, "Message-ID: %s\n", message_id (tclock, 0));
1030 /*
1031 * If we have multiple From: addresses, make sure we have an
1032 * Sender: header. If we don't have one, then generate one
1033 * from Envelope-From: (which in this case, cannot be blank)
1034 */
1035
1036 if (fromcount > 1 && seensender == 0) {
1037 if (efrom[0] == '\0') {
1038 advise (NULL, "Envelope-From cannot be blank when there "
1039 "is multiple From: addresses\nand no Sender: "
1040 "header");
1041 badmsg++;
1042 } else {
1043 fprintf (out, "Sender: %s\n", efrom);
1044 }
1045 }
1046
1047 if (!(msgflags & MVIS))
1048 fprintf (out, "Bcc: Blind Distribution List: ;\n");
1049 break;
1050
1051 case RESENT:
1052 if (!(msgflags & MDAT)) {
1053 advise (NULL, "message has no Date: header");
1054 badmsg++;
1055 }
1056 if (!(msgflags & MFRM)) {
1057 advise (NULL, "message has no From: header");
1058 badmsg++;
1059 }
1060 if (!(msgflags & MRFM)) {
1061 advise (NULL, "message has no Resent-From: header");
1062 advise (NULL, "See default components files for examples");
1063 badmsg++;
1064 break;
1065 }
1066 if (fromcount > 1 && (seensender == 0 && !(msgflags & MEFM))) {
1067 advise (NULL, "A Resent-Sender: or Envelope-From: header is "
1068 "required with multiple\nResent-From: addresses");
1069 badmsg++;
1070 break;
1071 }
1072
1073 if (whomsw)
1074 break;
1075
1076 fprintf (out, "Resent-Date: %s\n", dtime (&tclock, 0));
1077 if (msgid)
1078 fprintf (out, "Resent-Message-ID: %s\n",
1079 message_id (tclock, 0));
1080 /*
1081 * If we have multiple Resent-From: addresses, make sure we have an
1082 * Resent-Sender: header. If we don't have one, then generate one
1083 * from Envelope-From (which in this case, cannot be blank)
1084 */
1085
1086 if (fromcount > 1 && seensender == 0) {
1087 if (efrom[0] == '\0') {
1088 advise (NULL, "Envelope-From cannot be blank when there "
1089 "is multiple Resent-From: addresses and no "
1090 "Resent-Sender: header");
1091 badmsg++;
1092 } else {
1093 fprintf (out, "Resent-Sender: %s\n", efrom);
1094 }
1095 }
1096
1097 if (!(msgflags & MVIS))
1098 fprintf (out, "Resent-Bcc: Blind Re-Distribution List: ;\n");
1099 break;
1100 }
1101
1102 if (badmsg)
1103 adios (NULL, "re-format message and try again");
1104 if (!recipients)
1105 adios (NULL, "no addressees");
1106 }
1107
1108
1109 static int
1110 get_header (char *header, struct headers *table)
1111 {
1112 struct headers *h;
1113
1114 for (h = table; h->value; h++)
1115 if (!mh_strcasecmp (header, h->value))
1116 return (h - table);
1117
1118 return NOTOK;
1119 }
1120
1121
1122 static int
1123 putadr (char *name, char *aka, struct mailname *mp, FILE *out, unsigned int flags)
1124 {
1125 int len;
1126 char *cp;
1127 char buffer[BUFSIZ];
1128
1129 if (mp->m_mbox == NULL || ((flags & HTRY) && !insert (mp)))
1130 return 0;
1131 if (sm_mts != MTS_SENDMAIL_PIPE &&
1132 ((flags & (HBCC | HDCC | HEFM)) || mp->m_ingrp))
1133 return 1;
1134
1135 if (!nameoutput) {
1136 fprintf (out, "%s: ", name);
1137 linepos += (nameoutput = strlen (name) + 2);
1138 }
1139
1140 if (*aka && mp->m_type != UUCPHOST && !mp->m_pers)
1141 mp->m_pers = getcpy (aka);
1142 if (format) {
1143 if (mp->m_gname) {
1144 snprintf (buffer, sizeof(buffer), "%s;", mp->m_gname);
1145 cp = buffer;
1146 } else {
1147 cp = adrformat (mp);
1148 }
1149 } else {
1150 cp = mp->m_text;
1151 }
1152 len = strlen (cp);
1153
1154 if (linepos != nameoutput) {
1155 if (len + linepos + 2 > outputlinelen)
1156 fprintf (out, ",\n%*s", linepos = nameoutput, "");
1157 else {
1158 fputs (", ", out);
1159 linepos += 2;
1160 }
1161 }
1162
1163 fputs (cp, out);
1164 linepos += len;
1165
1166 return (flags & HTRY);
1167 }
1168
1169
1170 static void
1171 putgrp (char *name, char *group, FILE *out, unsigned int flags)
1172 {
1173 int len;
1174 char *cp;
1175
1176 if (sm_mts != MTS_SENDMAIL_PIPE && (flags & HBCC))
1177 return;
1178
1179 if (!nameoutput) {
1180 fprintf (out, "%s: ", name);
1181 linepos += (nameoutput = strlen (name) + 2);
1182 }
1183
1184 cp = concat (group, ";", NULL);
1185 len = strlen (cp);
1186
1187 if (linepos > nameoutput) {
1188 if (len + linepos + 2 > outputlinelen) {
1189 fprintf (out, ",\n%*s", nameoutput, "");
1190 linepos = nameoutput;
1191 }
1192 else {
1193 fputs (", ", out);
1194 linepos += 2;
1195 }
1196 }
1197
1198 fputs (cp, out);
1199 linepos += len;
1200 }
1201
1202
1203 static int
1204 insert (struct mailname *np)
1205 {
1206 struct mailname *mp;
1207
1208 if (np->m_mbox == NULL)
1209 return 0;
1210
1211 for (mp = np->m_type == LOCALHOST ? &localaddrs
1212 : np->m_type == UUCPHOST ? &uuaddrs
1213 : &netaddrs;
1214 mp->m_next;
1215 mp = mp->m_next)
1216 if (!mh_strcasecmp (np->m_host, mp->m_next->m_host)
1217 && !mh_strcasecmp (np->m_mbox, mp->m_next->m_mbox)
1218 && np->m_bcc == mp->m_next->m_bcc)
1219 return 0;
1220
1221 mp->m_next = np;
1222 recipients++;
1223 return 1;
1224 }
1225
1226
1227 static void
1228 pl (void)
1229 {
1230 int i;
1231 struct mailname *mp;
1232
1233 printf ("-------\n\t-- Addresses --\nlocal:\t");
1234 for (mp = localaddrs.m_next; mp; mp = mp->m_next)
1235 printf ("%s%s%s", mp->m_mbox,
1236 mp->m_bcc ? "[BCC]" : "",
1237 mp->m_next ? ",\n\t" : "");
1238
1239 printf ("\nnet:\t");
1240 for (mp = netaddrs.m_next; mp; mp = mp->m_next)
1241 printf ("%s%s@%s%s%s", mp->m_path ? mp->m_path : "",
1242 mp->m_mbox, mp->m_host,
1243 mp->m_bcc ? "[BCC]" : "",
1244 mp->m_next ? ",\n\t" : "");
1245
1246 printf ("\nuucp:\t");
1247 for (mp = uuaddrs.m_next; mp; mp = mp->m_next)
1248 printf ("%s!%s%s%s", mp->m_host, mp->m_mbox,
1249 mp->m_bcc ? "[BCC]" : "",
1250 mp->m_next ? ",\n\t" : "");
1251
1252 printf ("\n\t-- Folder Copies --\nfcc:\t");
1253 for (i = 0; i < fccind; i++)
1254 printf ("%s%s", fccfold[i], i + 1 < fccind ? ",\n\t" : "");
1255 printf ("\n");
1256 }
1257
1258
1259 static void
1260 anno (void)
1261 {
1262 struct mailname *mp;
1263
1264 for (mp = localaddrs.m_next; mp; mp = mp->m_next)
1265 if (annoaux (mp) == NOTOK)
1266 goto oops;
1267
1268 for (mp = netaddrs.m_next; mp; mp = mp->m_next)
1269 if (annoaux (mp) == NOTOK)
1270 goto oops;
1271
1272 for (mp = uuaddrs.m_next; mp; mp = mp->m_next)
1273 if (annoaux (mp) == NOTOK)
1274 break;
1275
1276 oops: ;
1277 close (pfd);
1278 pfd = NOTOK;
1279 }
1280
1281
1282 static int
1283 annoaux (struct mailname *mp)
1284 {
1285 int i;
1286 char buffer[BUFSIZ];
1287
1288 snprintf (buffer, sizeof(buffer), "%s\n", adrformat (mp));
1289 i = strlen (buffer);
1290
1291 return (write (pfd, buffer, i) == i ? OK : NOTOK);
1292 }
1293
1294
1295 static void
1296 insert_fcc (struct headers *hdr, unsigned char *pp)
1297 {
1298 unsigned char *cp;
1299
1300 for (cp = pp; isspace (*cp); cp++)
1301 continue;
1302 for (pp += strlen (pp) - 1; pp > cp && isspace (*pp); pp--)
1303 continue;
1304 if (pp >= cp)
1305 *++pp = 0;
1306 if (*cp == 0)
1307 return;
1308
1309 if (fccind >= FCCS)
1310 adios (NULL, "too many %ss", hdr->value);
1311 fccfold[fccind++] = getcpy (cp);
1312 }
1313
1314 /*
1315 * BCC GENERATION
1316 */
1317
1318 static void
1319 make_bcc_file (int dashstuff)
1320 {
1321 int fd, i;
1322 pid_t child_id;
1323 char *vec[6];
1324 FILE *out;
1325 char *tfile = NULL;
1326
1327 tfile = m_mktemp2(NULL, "bccs", NULL, &out);
1328 if (tfile == NULL) adios("bcc", "unable to create temporary file");
1329 strncpy (bccfil, tfile, sizeof(bccfil));
1330
1331 fprintf (out, "From: %s\n", fullfrom);
1332 fprintf (out, "Date: %s\n", dtime (&tclock, 0));
1333 if (msgid)
1334 fprintf (out, "Message-ID: %s\n", message_id (tclock, 0));
1335 if (subject)
1336 fprintf (out, "Subject: %s", subject);
1337 fprintf (out, "BCC:\n");
1338
1339 /*
1340 * Use MIME encapsulation for Bcc messages
1341 */
1342 if (mime) {
1343 char *cp;
1344
1345 /*
1346 * Check if any lines in the message clash with the
1347 * prefix for the MIME multipart separator. If there
1348 * is a clash, increment one of the letters in the
1349 * prefix and check again.
1350 */
1351 if ((cp = strchr(prefix, 'a')) == NULL)
1352 adios (NULL, "lost prefix start");
1353 while (find_prefix () == NOTOK) {
1354 if (*cp < 'z')
1355 (*cp)++;
1356 else
1357 if (*++cp == 0)
1358 adios (NULL, "can't find a unique delimiter string");
1359 else
1360 (*cp)++;
1361 }
1362
1363 fprintf (out, "%s: %s\n%s: multipart/digest; boundary=\"",
1364 VRSN_FIELD, VRSN_VALUE, TYPE_FIELD);
1365 fprintf (out, "%s\"\n\n--%s\n\n", prefix, prefix);
1366 } else {
1367 fprintf (out, "\n------- Blind-Carbon-Copy\n\n");
1368 }
1369
1370 fflush (out);
1371
1372 /*
1373 * Do mhl filtering of Bcc messages instead
1374 * of MIME encapsulation.
1375 */
1376 if (filter != NULL) {
1377 vec[0] = r1bindex (mhlproc, '/');
1378
1379 for (i = 0; (child_id = fork()) == NOTOK && i < 5; i++)
1380 sleep (5);
1381 switch (child_id) {
1382 case NOTOK:
1383 adios ("fork", "unable to");
1384
1385 case OK:
1386 dup2 (fileno (out), 1);
1387
1388 i = 1;
1389 vec[i++] = "-forward";
1390 vec[i++] = "-form";
1391 vec[i++] = filter;
1392 vec[i++] = tmpfil;
1393
1394 /* was the flag -[no]dashstuffing specified? */
1395 if (dashstuff > 0)
1396 vec[i++] = "-dashstuffing";
1397 else if (dashstuff < 0)
1398 vec[i++] = "-nodashstuffing";
1399 vec[i] = NULL;
1400
1401 execvp (mhlproc, vec);
1402 fprintf (stderr, "unable to exec ");
1403 perror (mhlproc);
1404 _exit (-1);
1405
1406 default:
1407 pidXwait (child_id, mhlproc);
1408 break;
1409 }
1410 } else {
1411 if ((fd = open (tmpfil, O_RDONLY)) == NOTOK)
1412 adios (tmpfil, "unable to re-open");
1413
1414 /*
1415 * If using MIME encapsulation, or if the -nodashstuffing
1416 * flag was given, then just copy message. Else do
1417 * RFC934 quoting (dashstuffing).
1418 */
1419 if (mime || dashstuff < 0)
1420 cpydata (fd, fileno (out), tmpfil, bccfil);
1421 else
1422 cpydgst (fd, fileno (out), tmpfil, bccfil);
1423 close (fd);
1424 }
1425
1426 fseek (out, 0L, SEEK_END);
1427 if (mime)
1428 fprintf (out, "\n--%s--\n", prefix);
1429 else
1430 fprintf (out, "\n------- End of Blind-Carbon-Copy\n");
1431 fclose (out);
1432 }
1433
1434
1435 /*
1436 * Scan message to check if any lines clash with
1437 * the prefix of the MIME multipart separator.
1438 */
1439
1440 static int
1441 find_prefix (void)
1442 {
1443 int result = OK;
1444 unsigned char buffer[BUFSIZ];
1445 FILE *in;
1446
1447 if ((in = fopen (tmpfil, "r")) == NULL)
1448 adios (tmpfil, "unable to re-open");
1449
1450 while (fgets (buffer, sizeof(buffer) - 1, in))
1451 if (buffer[0] == '-' && buffer[1] == '-') {
1452 unsigned char *cp;
1453
1454 for (cp = buffer + strlen (buffer) - 1; cp >= buffer; cp--)
1455 if (!isspace (*cp))
1456 break;
1457 *++cp = '\0';
1458 if (strcmp (buffer + 2, prefix) == 0) {
1459 result = NOTOK;
1460 break;
1461 }
1462 }
1463
1464 fclose (in);
1465 return result;
1466 }
1467
1468
1469 #define plural(x) (x == 1 ? "" : "s")
1470
1471 static void
1472 chkadr (void)
1473 {
1474 if (badadr && unkadr)
1475 die (NULL, "%d address%s unparsable, %d addressee%s undeliverable",
1476 badadr, plural (badadr), unkadr, plural (badadr));
1477 if (badadr)
1478 die (NULL, "%d address%s unparsable", badadr, plural (badadr));
1479 if (unkadr)
1480 die (NULL, "%d addressee%s undeliverable", unkadr, plural (unkadr));
1481 }
1482
1483
1484 static void
1485 do_addresses (int bccque, int talk)
1486 {
1487 int retval;
1488 int state;
1489 struct mailname *lp;
1490
1491 state = 0;
1492 for (lp = localaddrs.m_next; lp; lp = lp->m_next)
1493 if (lp->m_bcc ? bccque : !bccque) {
1494 if (talk && !state)
1495 printf (" -- Local Recipients --\n");
1496 do_an_address (lp, talk);
1497 state++;
1498 }
1499
1500 state = 0;
1501 for (lp = uuaddrs.m_next; lp; lp = lp->m_next)
1502 if (lp->m_bcc ? bccque : !bccque) {
1503 if (talk && !state)
1504 printf (" -- UUCP Recipients --\n");
1505 do_an_address (lp, talk);
1506 state++;
1507 }
1508
1509 state = 0;
1510 for (lp = netaddrs.m_next; lp; lp = lp->m_next)
1511 if (lp->m_bcc ? bccque : !bccque) {
1512 if (talk && !state)
1513 printf (" -- Network Recipients --\n");
1514 do_an_address (lp, talk);
1515 state++;
1516 }
1517
1518 chkadr ();
1519
1520 if (rp_isbad (retval = sm_waend ()))
1521 die (NULL, "problem ending addresses; %s", rp_string (retval));
1522 }
1523
1524
1525 /*
1526 * MTS-SPECIFIC INTERACTION
1527 */
1528
1529
1530 /*
1531 * SENDMAIL/SMTP routines
1532 */
1533
1534 static void
1535 post (char *file, int bccque, int talk, char *envelope)
1536 {
1537 int fd;
1538 int retval, i;
1539 pid_t child_id;
1540
1541 if (verbose) {
1542 if (msgflags & MINV)
1543 printf (" -- Posting for %s Recipients --\n",
1544 bccque ? "Blind" : "Sighted");
1545 else
1546 printf (" -- Posting for All Recipients --\n");
1547 }
1548
1549 sigon ();
1550
1551 if (sm_mts == MTS_SENDMAIL_PIPE) {
1552 char *sargv[16], **argp;
1553
1554 for (i = 0; (child_id = fork()) == NOTOK && i < 5; i++)
1555 sleep (5);
1556 switch (child_id) {
1557 case NOTOK:
1558 adios ("fork", "unable to");
1559
1560 case OK:
1561 if (freopen( file, "r", stdin) == NULL) {
1562 adios (file, "can't reopen for sendmail");
1563 }
1564
1565 argp = sargv;
1566 *argp++ = "sendmail";
1567 *argp++ = "-t"; /* read msg for recipients */
1568 *argp++ = "-i"; /* don't stop on "." */
1569 if (whomsw)
1570 *argp++ = "-bv";
1571 if (snoop)
1572 *argp++ = "-v";
1573 *argp = NULL;
1574
1575 execv (sendmail, sargv);
1576 adios (sendmail, "can't exec");
1577
1578 default:
1579 pidXwait (child_id, NULL);
1580 break;
1581 }
1582 } else {
1583 if (rp_isbad (retval = sm_init (clientsw, serversw, port, watch,
1584 verbose, snoop, queued, sasl,
1585 saslssf, saslmech, user, tls)) ||
1586 rp_isbad (retval = sm_winit (envelope)))
1587 die (NULL, "problem initializing server; %s", rp_string (retval));
1588
1589 do_addresses (bccque, talk && verbose);
1590 if ((fd = open (file, O_RDONLY)) == NOTOK)
1591 die (file, "unable to re-open");
1592 do_text (file, fd);
1593 close (fd);
1594 fflush (stdout);
1595
1596 sm_end (!(msgflags & MINV) || bccque ? OK : DONE);
1597 sigoff ();
1598
1599 if (verbose) {
1600 if (msgflags & MINV)
1601 printf (" -- %s Recipient Copies Posted --\n",
1602 bccque ? "Blind" : "Sighted");
1603 else
1604 printf (" -- Recipient Copies Posted --\n");
1605 }
1606
1607 fflush (stdout);
1608 }
1609 }
1610
1611
1612 /* Address Verification */
1613
1614 static void
1615 verify_all_addresses (int talk, char *envelope)
1616 {
1617 int retval;
1618 struct mailname *lp;
1619
1620 sigon ();
1621
1622 if (!whomsw || checksw)
1623 if (rp_isbad (retval = sm_init (clientsw, serversw, port, watch,
1624 verbose, snoop, queued, sasl,
1625 saslssf, saslmech, user, tls))
1626 || rp_isbad (retval = sm_winit (envelope)))
1627 die (NULL, "problem initializing server; %s", rp_string (retval));
1628
1629 if (talk && !whomsw)
1630 printf (" -- Address Verification --\n");
1631 if (talk && localaddrs.m_next)
1632 printf (" -- Local Recipients --\n");
1633 for (lp = localaddrs.m_next; lp; lp = lp->m_next)
1634 do_an_address (lp, talk);
1635
1636 if (talk && uuaddrs.m_next)
1637 printf (" -- UUCP Recipients --\n");
1638 for (lp = uuaddrs.m_next; lp; lp = lp->m_next)
1639 do_an_address (lp, talk);
1640
1641 if (talk && netaddrs.m_next)
1642 printf (" -- Network Recipients --\n");
1643 for (lp = netaddrs.m_next; lp; lp = lp->m_next)
1644 do_an_address (lp, talk);
1645
1646 chkadr ();
1647 if (talk && !whomsw)
1648 printf (" -- Address Verification Successful --\n");
1649
1650 if (!whomsw || checksw)
1651 sm_end (DONE);
1652
1653 fflush (stdout);
1654 sigoff ();
1655 }
1656
1657
1658 static void
1659 do_an_address (struct mailname *lp, int talk)
1660 {
1661 int retval;
1662 char *mbox, *host;
1663 char addr[BUFSIZ];
1664
1665 switch (lp->m_type) {
1666 case LOCALHOST:
1667 mbox = lp->m_mbox;
1668 host = lp->m_host;
1669 strncpy (addr, mbox, sizeof(addr));
1670 break;
1671
1672 case UUCPHOST:
1673 mbox = auxformat (lp, 0);
1674 host = NULL;
1675 snprintf (addr, sizeof(addr), "%s!%s", lp->m_host, lp->m_mbox);
1676 break;
1677
1678 default: /* let SendMail decide if the host is bad */
1679 mbox = lp->m_mbox;
1680 host = lp->m_host;
1681 snprintf (addr, sizeof(addr), "%s at %s", mbox, host);
1682 break;
1683 }
1684
1685 if (talk)
1686 printf (" %s%s", addr, whomsw && lp->m_bcc ? "[BCC]" : "");
1687
1688 if (whomsw && !checksw) {
1689 putchar ('\n');
1690 return;
1691 }
1692 if (talk)
1693 printf (": ");
1694 fflush (stdout);
1695
1696 switch (retval = sm_wadr (mbox, host,
1697 lp->m_type != UUCPHOST ? lp->m_path : NULL)) {
1698 case RP_OK:
1699 if (talk)
1700 printf ("address ok\n");
1701 break;
1702
1703 case RP_NO:
1704 case RP_USER:
1705 if (!talk)
1706 fprintf (stderr, " %s: ", addr);
1707 fprintf (talk ? stdout : stderr, "loses; %s\n",
1708 rp_string (retval));
1709 unkadr++;
1710 break;
1711
1712 default:
1713 if (!talk)
1714 fprintf (stderr, " %s: ", addr);
1715 die (NULL, "unexpected response; %s", rp_string (retval));
1716 }
1717
1718 fflush (stdout);
1719 }
1720
1721
1722 static void
1723 do_text (char *file, int fd)
1724 {
1725 int retval, state;
1726 char buf[BUFSIZ];
1727
1728 lseek (fd, (off_t) 0, SEEK_SET);
1729
1730 while ((state = read (fd, buf, sizeof(buf))) > 0) {
1731 if (rp_isbad (retval = sm_wtxt (buf, state)))
1732 die (NULL, "problem writing text; %s\n", rp_string (retval));
1733 }
1734
1735 if (state == NOTOK)
1736 die (file, "problem reading from");
1737
1738 switch (retval = sm_wtend ()) {
1739 case RP_OK:
1740 break;
1741
1742 case RP_NO:
1743 case RP_NDEL:
1744 die (NULL, "posting failed; %s", rp_string (retval));
1745
1746 default:
1747 die (NULL, "unexpected response; %s", rp_string (retval));
1748 }
1749 }
1750
1751
1752 /*
1753 * SIGNAL HANDLING
1754 */
1755
1756 static void
1757 sigser (int i)
1758 {
1759 NMH_UNUSED (i);
1760
1761 unlink (tmpfil);
1762 if (msgflags & MINV)
1763 unlink (bccfil);
1764
1765 if (!whomsw || checksw)
1766 sm_end (NOTOK);
1767
1768 done (1);
1769 }
1770
1771
1772 static void
1773 sigon (void)
1774 {
1775 if (debug)
1776 return;
1777
1778 hstat = SIGNAL2 (SIGHUP, sigser);
1779 istat = SIGNAL2 (SIGINT, sigser);
1780 qstat = SIGNAL2 (SIGQUIT, sigser);
1781 tstat = SIGNAL2 (SIGTERM, sigser);
1782 }
1783
1784
1785 static void
1786 sigoff (void)
1787 {
1788 if (debug)
1789 return;
1790
1791 SIGNAL (SIGHUP, hstat);
1792 SIGNAL (SIGINT, istat);
1793 SIGNAL (SIGQUIT, qstat);
1794 SIGNAL (SIGTERM, tstat);
1795 }
1796
1797 /*
1798 * FCC INTERACTION
1799 */
1800
1801 static void
1802 p_refile (char *file)
1803 {
1804 int i;
1805
1806 if (fccind == 0)
1807 return;
1808
1809 if (verbose)
1810 printf (" -- Filing Folder Copies --\n");
1811 for (i = 0; i < fccind; i++)
1812 fcc (file, fccfold[i]);
1813 if (verbose)
1814 printf (" -- Folder Copies Filed --\n");
1815 }
1816
1817
1818 /*
1819 * Call the `fileproc' to add the file to the folder.
1820 */
1821
1822 static void
1823 fcc (char *file, char *folder)
1824 {
1825 pid_t child_id;
1826 int i, status;
1827 char fold[BUFSIZ];
1828
1829 if (verbose)
1830 printf (" %sFcc %s: ", msgstate == RESENT ? "Resent-" : "", folder);
1831 fflush (stdout);
1832
1833 for (i = 0; (child_id = fork ()) == NOTOK && i < 5; i++)
1834 sleep (5);
1835
1836 switch (child_id) {
1837 case NOTOK:
1838 if (!verbose)
1839 fprintf (stderr, " %sFcc %s: ",
1840 msgstate == RESENT ? "Resent-" : "", folder);
1841 fprintf (verbose ? stdout : stderr, "no forks, so not ok\n");
1842 break;
1843
1844 case OK:
1845 /* see if we need to add `+' */
1846 snprintf (fold, sizeof(fold), "%s%s",
1847 *folder == '+' || *folder == '@' ? "" : "+", folder);
1848
1849 /* now exec the fileproc */
1850 execlp (fileproc, r1bindex (fileproc, '/'),
1851 "-link", "-file", file, fold, NULL);
1852 _exit (-1);
1853
1854 default:
1855 if ((status = pidwait (child_id, OK))) {
1856 if (!verbose)
1857 fprintf (stderr, " %sFcc %s: ",
1858 msgstate == RESENT ? "Resent-" : "", folder);
1859 pidstatus (status, verbose ? stdout : stderr, NULL);
1860 } else {
1861 if (verbose)
1862 printf ("folder ok\n");
1863 }
1864 }
1865
1866 fflush (stdout);
1867 }
1868
1869 /*
1870 * TERMINATION
1871 */
1872
1873 static void
1874 die (char *what, char *fmt, ...)
1875 {
1876 va_list ap;
1877
1878 unlink (tmpfil);
1879 if (msgflags & MINV)
1880 unlink (bccfil);
1881
1882 if (!whomsw || checksw)
1883 sm_end (NOTOK);
1884
1885 va_start(ap, fmt);
1886 advertise (what, NULL, fmt, ap);
1887 va_end(ap);
1888 done (1);
1889 }
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