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[nmh] / uip / post.c
1
2 /*
3 * post.c -- enter messages into the mail transport system
4 *
5 * $Id$
6 */
7
8 #include <h/mh.h>
9 #include <fcntl.h>
10 #include <h/signals.h>
11 #include <h/addrsbr.h>
12 #include <h/aliasbr.h>
13 #include <h/dropsbr.h>
14 #include <h/mime.h>
15
16 #include <h/tws.h>
17 #include <h/mts.h>
18
19 #include <errno.h>
20 #include <setjmp.h>
21 #include <signal.h>
22
23 #ifdef TIME_WITH_SYS_TIME
24 # include <sys/time.h>
25 # include <time.h>
26 #else
27 # ifdef TM_IN_SYS_TIME
28 # include <sys/time.h>
29 # else
30 # include <time.h>
31 # endif
32 #endif
33
34 #ifdef MMDFMTS
35 # include <mts/mmdf/util.h>
36 # include <mts/mmdf/mmdf.h>
37 #endif
38
39 #ifdef SMTPMTS
40 # include <mts/smtp/smtp.h>
41 #endif
42
43 #ifndef MMDFMTS
44 # define uptolow(c) ((isalpha(c) && isupper (c)) ? tolower (c) : (c))
45 #endif
46
47 #ifndef CYRUS_SASL
48 # define SASLminc(a) (a)
49 #else /* CYRUS_SASL */
50 # define SASLminc(a) 0
51 #endif /* CYRUS_SASL */
52
53 #define FCCS 10 /* max number of fccs allowed */
54
55 /* In the following array of structures, the numeric second field of the
56 structures (minchars) is apparently used like this:
57
58 -# : Switch can be abbreviated to # characters; switch hidden in -help.
59 0 : Switch can't be abbreviated; switch shown in -help.
60 # : Switch can be abbreviated to # characters; switch shown in -help. */
61
62 static struct swit switches[] = {
63 #define ALIASW 0
64 { "alias aliasfile", 0 },
65 #define CHKSW 1
66 { "check", -5 }, /* interface from whom */
67 #define NCHKSW 2
68 { "nocheck", -7 }, /* interface from whom */
69 #define DEBUGSW 3
70 { "debug", -5 },
71 #define DISTSW 4
72 { "dist", -4 }, /* interface from dist */
73 #define FILTSW 5
74 { "filter filterfile", 0 },
75 #define NFILTSW 6
76 { "nofilter", 0 },
77 #define FRMTSW 7
78 { "format", 0 },
79 #define NFRMTSW 8
80 { "noformat", 0 },
81 #define LIBSW 9
82 { "library directory", -7 }, /* interface from send, whom */
83 #define MIMESW 10
84 { "mime", 0 },
85 #define NMIMESW 11
86 { "nomime", 0 },
87 #define MSGDSW 12
88 { "msgid", 0 },
89 #define NMSGDSW 13
90 { "nomsgid", 0 },
91 #define VERBSW 14
92 { "verbose", 0 },
93 #define NVERBSW 15
94 { "noverbose", 0 },
95 #define WATCSW 16
96 { "watch", 0 },
97 #define NWATCSW 17
98 { "nowatch", 0 },
99 #define WHOMSW 18
100 { "whom", -4 }, /* interface from whom */
101 #define WIDTHSW 19
102 { "width columns", 0 },
103 #define VERSIONSW 20
104 { "version", 0 },
105 #define HELPSW 21
106 { "help", 0 },
107 #define BITSTUFFSW 22
108 { "dashstuffing", -12 }, /* should we dashstuff BCC messages? */
109 #define NBITSTUFFSW 23
110 { "nodashstuffing", -14 },
111 #define MAILSW 24
112 { "mail", -4 }, /* specify MAIL smtp mode */
113 #define SAMLSW 25
114 { "saml", -4 }, /* specify SAML smtp mode */
115 #define SENDSW 26
116 { "send", -4 }, /* specify SEND smtp mode */
117 #define SOMLSW 27
118 { "soml", -4 }, /* specify SOML smtp mode */
119 #define ANNOSW 28
120 { "idanno number", -6 }, /* interface from send */
121 #define DLVRSW 29
122 { "deliver address-list", -7 },
123 #define CLIESW 30
124 { "client host", -6 },
125 #define SERVSW 31
126 { "server host", -6 }, /* specify alternate SMTP server */
127 #define SNOOPSW 32
128 { "snoop", -5 }, /* snoop the SMTP transaction */
129 #define FILLSW 33
130 { "fill-in file", -7 },
131 #define FILLUSW 34
132 { "fill-up", -7 },
133 #define PARTSW 35
134 { "partno", -6 },
135 #define QUEUESW 36
136 { "queued", -6 },
137 #define SASLSW 37
138 { "sasl", SASLminc(-4) },
139 #define SASLMECHSW 38
140 { "saslmech", SASLminc(-5) },
141 #define USERSW 39
142 { "user", SASLminc(-4) },
143 { NULL, 0 }
144 };
145
146
147 struct headers {
148 char *value;
149 unsigned int flags;
150 unsigned int set;
151 };
152
153 /*
154 * flags for headers->flags
155 */
156 #define HNOP 0x0000 /* just used to keep .set around */
157 #define HBAD 0x0001 /* bad header - don't let it through */
158 #define HADR 0x0002 /* header has an address field */
159 #define HSUB 0x0004 /* Subject: header */
160 #define HTRY 0x0008 /* try to send to addrs on header */
161 #define HBCC 0x0010 /* don't output this header */
162 #define HMNG 0x0020 /* munge this header */
163 #define HNGR 0x0040 /* no groups allowed in this header */
164 #define HFCC 0x0080 /* FCC: type header */
165 #define HNIL 0x0100 /* okay for this header not to have addrs */
166 #define HIGN 0x0200 /* ignore this header */
167 #define HDCC 0x0400 /* another undocumented feature */
168
169 /*
170 * flags for headers->set
171 */
172 #define MFRM 0x0001 /* we've seen a From: */
173 #define MDAT 0x0002 /* we've seen a Date: */
174 #define MRFM 0x0004 /* we've seen a Resent-From: */
175 #define MVIS 0x0008 /* we've seen sighted addrs */
176 #define MINV 0x0010 /* we've seen blind addrs */
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|HBAD, 0 },
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 { NULL, 0, 0 }
194 };
195
196 static struct headers RHeaders[] = {
197 { "Resent-Reply-To", HADR|HNGR, 0 },
198 { "Resent-From", HADR|HNGR, MRFM },
199 { "Resent-Sender", HADR|HBAD, 0 },
200 { "Resent-Date", HBAD, 0 },
201 { "Resent-Subject", HSUB, 0 },
202 { "Resent-To", HADR|HTRY, MVIS },
203 { "Resent-cc", HADR|HTRY, MVIS },
204 { "Resent-Bcc", HADR|HTRY|HBCC, MINV },
205 { "Resent-Message-ID", HBAD, 0 },
206 { "Resent-Fcc", HFCC, 0 },
207 { "Reply-To", HADR, 0 },
208 { "From", HADR|HNGR, MFRM },
209 #ifdef MMDFI
210 { "Sender", HADR|HNGR|HMNG, 0 },
211 #else
212 { "Sender", HADR|HNGR, 0 },
213 #endif
214 { "Date", HNOP, MDAT },
215 { "To", HADR|HNIL, 0 },
216 { "cc", HADR|HNIL, 0 },
217 { "Bcc", HADR|HTRY|HBCC|HNIL, 0 },
218 { "Fcc", HIGN, 0 },
219 { NULL, 0, 0 }
220 };
221
222 static short fccind = 0; /* index into fccfold[] */
223 static short outputlinelen = OUTPUTLINELEN;
224
225 static int pfd = NOTOK; /* fd to write annotation list to */
226 static uid_t myuid= -1; /* my user id */
227 static gid_t mygid= -1; /* my group id */
228 static int recipients = 0; /* how many people will get a copy */
229 static int unkadr = 0; /* how many of those were unknown */
230 static int badadr = 0; /* number of bad addrs */
231 static int badmsg = 0; /* message has bad semantics */
232 static int verbose = 0; /* spell it out */
233 static int format = 1; /* format addresses */
234 static int mime = 0; /* use MIME-style encapsulations for Bcc */
235 static int msgid = 0; /* add msgid */
236 static int debug = 0; /* debugging post */
237 static int watch = 0; /* watch the delivery process */
238 static int whomsw = 0; /* we are whom not post */
239 static int checksw = 0; /* whom -check */
240 static int linepos=0; /* putadr()'s position on the line */
241 static int nameoutput=0; /* putadr() has output header name */
242 static int sasl=0; /* Use SASL auth for SMTP */
243 static char *saslmech=NULL; /* Force use of particular SASL mech */
244 static char *user=NULL; /* Authenticate as this user */
245
246 static unsigned msgflags = 0; /* what we've seen */
247
248 #define NORMAL 0
249 #define RESENT 1
250 static int msgstate = NORMAL;
251
252 static time_t tclock = 0; /* the time we started (more or less) */
253
254 static SIGNAL_HANDLER hstat, istat, qstat, tstat;
255
256 static char tmpfil[BUFSIZ];
257 static char bccfil[BUFSIZ];
258
259 static char from[BUFSIZ]; /* my network address */
260 static char signature[BUFSIZ]; /* my signature */
261 static char *filter = NULL; /* the filter for BCC'ing */
262 static char *subject = NULL; /* the subject field for BCC'ing */
263 static char *fccfold[FCCS]; /* foldernames for FCC'ing */
264
265 static struct headers *hdrtab; /* table for the message we're doing */
266
267 static struct mailname localaddrs={NULL}; /* local addrs */
268 static struct mailname netaddrs={NULL}; /* network addrs */
269 static struct mailname uuaddrs={NULL}; /* uucp addrs */
270 static struct mailname tmpaddrs={NULL}; /* temporary queue */
271
272 #ifdef MMDFMTS
273 static char *submitmode = "m"; /* deliver to mailbox only */
274 static char submitopts[6] = "vl"; /* initial options for submit */
275 #endif /* MMDFMTS */
276
277 #ifdef SMTPMTS
278 static int snoop = 0;
279 static int smtpmode = S_MAIL;
280 static char *clientsw = NULL;
281 static char *serversw = NULL;
282
283 extern struct smtp sm_reply;
284 #endif /* SMTPMTS */
285
286 static char prefix[] = "----- =_aaaaaaaaaa";
287
288 static int fill_up = 0;
289 static char *fill_in = NULL;
290 static char *partno = NULL;
291 static int queued = 0;
292
293 extern boolean draft_from_masquerading; /* defined in mts.c */
294
295 /*
296 * static prototypes
297 */
298 static void putfmt (char *, char *, FILE *);
299 static void start_headers (void);
300 static void finish_headers (FILE *);
301 static int get_header (char *, struct headers *);
302 static int putadr (char *, char *, struct mailname *, FILE *, unsigned int);
303 static void putgrp (char *, char *, FILE *, unsigned int);
304 static int insert (struct mailname *);
305 static void pl (void);
306 static void anno (void);
307 static int annoaux (struct mailname *);
308 static void insert_fcc (struct headers *, char *);
309 static void make_bcc_file (int);
310 static void verify_all_addresses (int);
311 static void chkadr (void);
312 static void sigon (void);
313 static void sigoff (void);
314 static void p_refile (char *);
315 static void fcc (char *, char *);
316 static void die (char *, char *, ...);
317 static void post (char *, int, int);
318 static void do_text (char *file, int fd);
319 static void do_an_address (struct mailname *, int);
320 static void do_addresses (int, int);
321 static int find_prefix (void);
322
323
324 int
325 main (int argc, char **argv)
326 {
327 int state, compnum, dashstuff = 0;
328 char *cp, *msg = NULL, **argp, **arguments;
329 char buf[BUFSIZ], name[NAMESZ];
330 FILE *in, *out;
331
332 #ifdef LOCALE
333 setlocale(LC_ALL, "");
334 #endif
335 invo_name = r1bindex (argv[0], '/');
336
337 /* foil search of user profile/context */
338 if (context_foil (NULL) == -1)
339 done (1);
340
341 mts_init (invo_name);
342 arguments = getarguments (invo_name, argc, argv, 0);
343 argp = arguments;
344
345 #if defined(MMDFMTS) && defined(MMDFII)
346 mmdf_init (invo_name);
347 #endif /* MMDFMTS and MMDFII */
348
349 while ((cp = *argp++)) {
350 if (*cp == '-') {
351 switch (smatch (++cp, switches)) {
352 case AMBIGSW:
353 ambigsw (cp, switches);
354 done (1);
355 case UNKWNSW:
356 adios (NULL, "-%s unknown", cp);
357
358 case HELPSW:
359 snprintf (buf, sizeof(buf), "%s [switches] file", invo_name);
360 print_help (buf, switches, 0);
361 done (1);
362 case VERSIONSW:
363 print_version(invo_name);
364 done (1);
365
366 case LIBSW:
367 if (!(cp = *argp++) || *cp == '-')
368 adios (NULL, "missing argument to %s", argp[-2]);
369 /* create a minimal context */
370 if (context_foil (cp) == -1)
371 done (1);
372 continue;
373
374 case ALIASW:
375 if (!(cp = *argp++) || *cp == '-')
376 adios (NULL, "missing argument to %s", argp[-2]);
377 if ((state = alias (cp)) != AK_OK)
378 adios (NULL, "aliasing error in %s - %s",
379 cp, akerror (state));
380 continue;
381
382 case CHKSW:
383 checksw++;
384 continue;
385 case NCHKSW:
386 checksw = 0;
387 continue;
388
389 case DEBUGSW:
390 debug++;
391 continue;
392
393 case DISTSW:
394 msgstate = RESENT;
395 continue;
396
397 case FILTSW:
398 if (!(filter = *argp++) || *filter == '-')
399 adios (NULL, "missing argument to %s", argp[-2]);
400 mime = 0;
401 continue;
402 case NFILTSW:
403 filter = NULL;
404 continue;
405
406 case FRMTSW:
407 format++;
408 continue;
409 case NFRMTSW:
410 format = 0;
411 continue;
412
413 case BITSTUFFSW:
414 dashstuff = 1;
415 continue;
416 case NBITSTUFFSW:
417 dashstuff = -1;
418 continue;
419
420 case MIMESW:
421 mime++;
422 filter = NULL;
423 continue;
424 case NMIMESW:
425 mime = 0;
426 continue;
427
428 case MSGDSW:
429 msgid++;
430 continue;
431 case NMSGDSW:
432 msgid = 0;
433 continue;
434
435 case VERBSW:
436 verbose++;
437 continue;
438 case NVERBSW:
439 verbose = 0;
440 continue;
441
442 case WATCSW:
443 watch++;
444 continue;
445 case NWATCSW:
446 watch = 0;
447 continue;
448
449 case WHOMSW:
450 whomsw++;
451 continue;
452
453 case WIDTHSW:
454 if (!(cp = *argp++) || *cp == '-')
455 adios (NULL, "missing argument to %s", argp[-2]);
456 if ((outputlinelen = atoi (cp)) < 10)
457 adios (NULL, "impossible width %d", outputlinelen);
458 continue;
459
460 case ANNOSW:
461 if (!(cp = *argp++) || *cp == '-')
462 adios (NULL, "missing argument to %s", argp[-2]);
463 if ((pfd = atoi (cp)) <= 2)
464 adios (NULL, "bad argument %s %s", argp[-2], cp);
465 continue;
466
467 #ifdef MMDFMTS
468 case MAILSW:
469 submitmode = "m";
470 continue;
471 case SOMLSW: /* for right now, sigh... */
472 case SAMLSW:
473 submitmode = "b";
474 continue;
475 case SENDSW:
476 submitmode = "y";
477 continue;
478 #endif /* MMDFMTS */
479
480 case DLVRSW:
481 if (!(cp = *argp++) || *cp == '-')
482 adios (NULL, "missing argument to %s", argp[-2]);
483 continue;
484
485 #ifndef SMTPMTS
486 case CLIESW:
487 case SERVSW:
488 if (!(cp = *argp++) || *cp == '-')
489 adios (NULL, "missing argument to %s", argp[-2]);
490 continue;
491
492 case SNOOPSW:
493 continue;
494 #else /* SMTPMTS */
495 case MAILSW:
496 smtpmode = S_MAIL;
497 continue;
498 case SAMLSW:
499 smtpmode = S_SAML;
500 continue;
501 case SOMLSW:
502 smtpmode = S_SOML;
503 continue;
504 case SENDSW:
505 smtpmode = S_SEND;
506 continue;
507 case CLIESW:
508 if (!(clientsw = *argp++) || *clientsw == '-')
509 adios (NULL, "missing argument to %s", argp[-2]);
510 continue;
511 case SERVSW:
512 if (!(serversw = *argp++) || *serversw == '-')
513 adios (NULL, "missing argument to %s", argp[-2]);
514 continue;
515 case SNOOPSW:
516 snoop++;
517 continue;
518 #endif /* SMTPMTS */
519
520 case FILLSW:
521 if (!(fill_in = *argp++) || *fill_in == '-')
522 adios (NULL, "missing argument to %s", argp[-2]);
523 continue;
524 case FILLUSW:
525 fill_up++;
526 continue;
527 case PARTSW:
528 if (!(partno = *argp++) || *partno == '-')
529 adios (NULL, "missing argument to %s", argp[-2]);
530 continue;
531
532 case QUEUESW:
533 queued++;
534 continue;
535
536 case SASLSW:
537 sasl++;
538 continue;
539
540 case SASLMECHSW:
541 if (!(saslmech = *argp++) || *saslmech == '-')
542 adios (NULL, "missing argument to %s", argp[-2]);
543 continue;
544
545 case USERSW:
546 if (!(user = *argp++) || *user == '-')
547 adios (NULL, "missing argument to %s", argp[-2]);
548 continue;
549 }
550 }
551 if (msg)
552 adios (NULL, "only one message at a time!");
553 else
554 msg = cp;
555 }
556
557 alias (AliasFile);
558
559 if (!msg)
560 adios (NULL, "usage: %s [switches] file", invo_name);
561
562 if (outputlinelen < 10)
563 adios (NULL, "impossible width %d", outputlinelen);
564
565 if ((in = fopen (msg, "r")) == NULL)
566 adios (msg, "unable to open");
567
568 start_headers ();
569 if (debug) {
570 verbose++;
571 discard (out = stdout); /* XXX: reference discard() to help loader */
572 } else {
573 if (whomsw) {
574 if ((out = fopen (fill_in ? fill_in : "/dev/null", "w")) == NULL)
575 adios ("/dev/null", "unable to open");
576 } else {
577 strncpy (tmpfil, m_scratch ("", m_maildir (invo_name)),
578 sizeof(tmpfil));
579 if ((out = fopen (tmpfil, "w")) == NULL) {
580 strncpy (tmpfil, m_tmpfil (invo_name), sizeof(tmpfil));
581 if ((out = fopen (tmpfil, "w")) == NULL)
582 adios (tmpfil, "unable to create");
583 }
584 chmod (tmpfil, 0600);
585 }
586 }
587
588 hdrtab = msgstate == NORMAL ? NHeaders : RHeaders;
589
590 for (compnum = 1, state = FLD;;) {
591 switch (state = m_getfld (state, name, buf, sizeof(buf), in)) {
592 case FLD:
593 case FLDEOF:
594 case FLDPLUS:
595 compnum++;
596 cp = add (buf, NULL);
597 while (state == FLDPLUS) {
598 state = m_getfld (state, name, buf, sizeof(buf), in);
599 cp = add (buf, cp);
600 }
601 putfmt (name, cp, out);
602 free (cp);
603 if (state != FLDEOF)
604 continue;
605 finish_headers (out);
606 break;
607
608 case BODY:
609 case BODYEOF:
610 finish_headers (out);
611 if (whomsw && !fill_in)
612 break;
613 fprintf (out, "\n%s", buf);
614 while (state == BODY) {
615 state = m_getfld (state, name, buf, sizeof(buf), in);
616 fputs (buf, out);
617 }
618 break;
619
620 case FILEEOF:
621 finish_headers (out);
622 break;
623
624 case LENERR:
625 case FMTERR:
626 adios (NULL, "message format error in component #%d", compnum);
627
628 default:
629 adios (NULL, "getfld() returned %d", state);
630 }
631 break;
632 }
633
634 if (pfd != NOTOK)
635 anno ();
636 fclose (in);
637
638 if (debug) {
639 pl ();
640 done (0);
641 } else {
642 fclose (out);
643 }
644
645 /* If we are doing a "whom" check */
646 if (whomsw) {
647 if (!fill_up)
648 verify_all_addresses (1);
649 done (0);
650 }
651
652 #ifdef MMDFMTS
653 strcat (submitopts, submitmode);
654 if (watch)
655 strcat (submitopts, "nw");
656 #endif /* MMDFMTS */
657
658 if (msgflags & MINV) {
659 make_bcc_file (dashstuff);
660 if (msgflags & MVIS) {
661 verify_all_addresses (verbose);
662 post (tmpfil, 0, verbose);
663 }
664 post (bccfil, 1, verbose);
665 unlink (bccfil);
666 } else {
667 post (tmpfil, 0, isatty (1));
668 }
669
670 p_refile (tmpfil);
671 unlink (tmpfil);
672
673 if (verbose)
674 printf (partno ? "Partial Message #%s Processed\n" : "Message Processed\n",
675 partno);
676 return done (0);
677 }
678
679
680 /*
681 * DRAFT GENERATION
682 */
683
684 static void
685 putfmt (char *name, char *str, FILE *out)
686 {
687 int count, grp, i, keep;
688 char *cp, *pp, *qp;
689 char namep[BUFSIZ];
690 struct mailname *mp, *np;
691 struct headers *hdr;
692
693 while (*str == ' ' || *str == '\t')
694 str++;
695
696 if (msgstate == NORMAL && uprf (name, "resent")) {
697 advise (NULL, "illegal header line -- %s:", name);
698 badmsg++;
699 return;
700 }
701
702 if ((i = get_header (name, hdrtab)) == NOTOK) {
703 fprintf (out, "%s: %s", name, str);
704 return;
705 }
706
707 hdr = &hdrtab[i];
708 if (hdr->flags & HIGN) {
709 if (fill_in)
710 fprintf (out, "%s: %s", name, str);
711 return;
712 }
713 if (hdr->flags & HBAD) {
714 if (fill_in)
715 fprintf (out, "%s: %s", name, str);
716 else {
717 advise (NULL, "illegal header line -- %s:", name);
718 badmsg++;
719 }
720 return;
721 }
722 msgflags |= (hdr->set & ~(MVIS | MINV));
723
724 if (hdr->flags & HSUB)
725 subject = subject ? add (str, add ("\t", subject)) : getcpy (str);
726 if (hdr->flags & HFCC) {
727 if (fill_in) {
728 fprintf (out, "%s: %s", name, str);
729 return;
730 }
731
732 if ((cp = strrchr(str, '\n')))
733 *cp = 0;
734 for (cp = pp = str; (cp = strchr(pp, ',')); pp = cp) {
735 *cp++ = 0;
736 insert_fcc (hdr, pp);
737 }
738 insert_fcc (hdr, pp);
739 return;
740 }
741
742 if (!(hdr->flags & HADR)) {
743 fprintf (out, "%s: %s", name, str);
744 return;
745 }
746
747 tmpaddrs.m_next = NULL;
748 for (count = 0; (cp = getname (str)); count++)
749 if ((mp = getm (cp, NULL, 0, AD_HOST, NULL))) {
750 if (tmpaddrs.m_next)
751 np->m_next = mp;
752 else
753 tmpaddrs.m_next = mp;
754 np = mp;
755 }
756 else
757 if (hdr->flags & HTRY)
758 badadr++;
759 else
760 badmsg++;
761
762 if (count < 1) {
763 if (hdr->flags & HNIL)
764 fprintf (out, "%s: %s", name, str);
765 else {
766 #ifdef notdef
767 advise (NULL, "%s: field requires at least one address", name);
768 badmsg++;
769 #endif /* notdef */
770 }
771 return;
772 }
773
774 nameoutput = linepos = 0;
775 snprintf (namep, sizeof(namep), "%s%s",
776 !fill_in && (hdr->flags & HMNG) ? "Original-" : "", name);
777
778 for (grp = 0, mp = tmpaddrs.m_next; mp; mp = np)
779 if (mp->m_nohost) { /* also used to test (hdr->flags & HTRY) */
780 /* The address doesn't include a host, so it might be an alias. */
781 pp = akvalue (mp->m_mbox); /* do mh alias substitution */
782 qp = akvisible () ? mp->m_mbox : "";
783 np = mp;
784 if (np->m_gname)
785 putgrp (namep, np->m_gname, out, hdr->flags);
786 while ((cp = getname (pp))) {
787 if (!(mp = getm (cp, NULL, 0, AD_HOST, NULL))) {
788 badadr++;
789 continue;
790 }
791
792 if (draft_from_masquerading && ((msgstate == RESENT)
793 ? (hdr->set & MRFM)
794 : (hdr->set & MFRM)))
795 /* The user manually specified a [Resent-]From: address in
796 their draft and the "masquerade:" line in mts.conf
797 doesn't contain "draft_from", so we'll set things up to
798 use the actual email address embedded in the draft
799 [Resent-]From: (after alias substitution, and without the
800 GECOS full name or angle brackets) as the envelope
801 From:. */
802 strncpy(from, auxformat(mp, 0), sizeof(from) - 1);
803
804 if (hdr->flags & HBCC)
805 mp->m_bcc++;
806 if (np->m_ingrp)
807 mp->m_ingrp = np->m_ingrp;
808 else
809 if (mp->m_gname)
810 putgrp (namep, mp->m_gname, out, hdr->flags);
811 if (mp->m_ingrp)
812 grp++;
813 if (putadr (namep, qp, mp, out, hdr->flags))
814 msgflags |= (hdr->set & (MVIS | MINV));
815 else
816 mnfree (mp);
817 }
818 mp = np;
819 np = np->m_next;
820 mnfree (mp);
821 }
822 else {
823 /* Address includes a host, so no alias substitution is needed. */
824 if (draft_from_masquerading && ((msgstate == RESENT)
825 ? (hdr->set & MRFM)
826 : (hdr->set & MFRM)))
827 /* The user manually specified a [Resent-]From: address in
828 their draft and the "masquerade:" line in mts.conf
829 doesn't contain "draft_from", so we'll set things up to
830 use the actual email address embedded in the draft
831 [Resent-]From: (after alias substitution, and without the
832 GECOS full name or angle brackets) as the envelope
833 From:. */
834 strncpy(from, auxformat(mp, 0), sizeof(from) - 1);
835
836 if (hdr->flags & HBCC)
837 mp->m_bcc++;
838 if (mp->m_gname)
839 putgrp (namep, mp->m_gname, out, hdr->flags);
840 if (mp->m_ingrp)
841 grp++;
842 keep = putadr (namep, "", mp, out, hdr->flags);
843 np = mp->m_next;
844 if (keep) {
845 mp->m_next = NULL;
846 msgflags |= (hdr->set & (MVIS | MINV));
847 }
848 else
849 mnfree (mp);
850 }
851
852 if (grp > 0 && (hdr->flags & HNGR)) {
853 advise (NULL, "%s: field does not allow groups", name);
854 badmsg++;
855 }
856 if (linepos) {
857 if (fill_in && grp > 0)
858 putc (';', out);
859 putc ('\n', out);
860 }
861 }
862
863
864 static void
865 start_headers (void)
866 {
867 char *cp;
868 char myhost[BUFSIZ], sigbuf[BUFSIZ];
869 struct mailname *mp;
870
871 myuid = getuid ();
872 mygid = getgid ();
873 time (&tclock);
874
875 strncpy (from, adrsprintf (NULL, NULL), sizeof(from));
876 strncpy (myhost, LocalName (), sizeof(myhost));
877
878 for (cp = myhost; *cp; cp++)
879 *cp = uptolow (*cp);
880
881 if ((cp = getfullname ()) && *cp) {
882 strncpy (sigbuf, cp, sizeof(sigbuf));
883 snprintf (signature, sizeof(signature), "%s <%s>",
884 sigbuf, adrsprintf (NULL, NULL));
885 if ((cp = getname (signature)) == NULL)
886 adios (NULL, "getname () failed -- you lose extraordinarily big");
887 if ((mp = getm (cp, NULL, 0, AD_HOST, NULL)) == NULL)
888 adios (NULL, "bad signature '%s'", sigbuf);
889 mnfree (mp);
890 while (getname (""))
891 continue;
892 } else {
893 strncpy (signature, adrsprintf (NULL, NULL), sizeof(signature));
894 }
895 }
896
897
898 /*
899 * Now that we've outputted the header fields in the draft
900 * message, we will now output any remaining header fields
901 * that we need to add/create.
902 */
903
904 static void
905 finish_headers (FILE *out)
906 {
907 switch (msgstate) {
908 case NORMAL:
909 if (whomsw && !fill_up)
910 break;
911
912 fprintf (out, "Date: %s\n", dtime (&tclock, 0));
913 if (msgid)
914 fprintf (out, "Message-ID: <%d.%ld@%s>\n",
915 (int) getpid (), (long) tclock, LocalName ());
916 if (msgflags & MFRM) {
917 /* There was already a From: in the draft. Don't add one. */
918 if (!draft_from_masquerading)
919 /* mts.conf didn't contain "masquerade:[...]draft_from[...]"
920 so we'll reveal the user's actual account@thismachine
921 address in a Sender: header (and use it as the envelope
922 From: later). */
923 fprintf (out, "Sender: %s\n", from);
924 }
925 else
926 /* Construct a From: header. */
927 fprintf (out, "From: %s\n", signature);
928 if (whomsw)
929 break;
930
931 if (!(msgflags & MVIS))
932 fprintf (out, "Bcc: Blind Distribution List: ;\n");
933 break;
934
935 case RESENT:
936 if (!(msgflags & MDAT)) {
937 advise (NULL, "message has no Date: header");
938 badmsg++;
939 }
940 if (!(msgflags & MFRM)) {
941 advise (NULL, "message has no From: header");
942 badmsg++;
943 }
944 if (whomsw && !fill_up)
945 break;
946
947 #ifdef MMDFI /* sigh */
948 fprintf (out, "Sender: %s\n", from);
949 #endif /* MMDFI */
950
951 fprintf (out, "Resent-Date: %s\n", dtime (&tclock, 0));
952 if (msgid)
953 fprintf (out, "Resent-Message-ID: <%d.%ld@%s>\n",
954 (int) getpid (), (long) tclock, LocalName ());
955 if (msgflags & MRFM) {
956 /* There was already a Resent-From: in draft. Don't add one. */
957 if (!draft_from_masquerading)
958 /* mts.conf didn't contain "masquerade:[...]draft_from[...]"
959 so we'll reveal the user's actual account@thismachine
960 address in a Sender: header (and use it as the envelope
961 From: later). */
962 fprintf (out, "Resent-Sender: %s\n", from);
963 }
964 else
965 /* Construct a Resent-From: header. */
966 fprintf (out, "Resent-From: %s\n", signature);
967 if (whomsw)
968 break;
969 if (!(msgflags & MVIS))
970 fprintf (out, "Resent-Bcc: Blind Re-Distribution List: ;\n");
971 break;
972 }
973
974 if (badmsg)
975 adios (NULL, "re-format message and try again");
976 if (!recipients)
977 adios (NULL, "no addressees");
978 }
979
980
981 static int
982 get_header (char *header, struct headers *table)
983 {
984 struct headers *h;
985
986 for (h = table; h->value; h++)
987 if (!strcasecmp (header, h->value))
988 return (h - table);
989
990 return NOTOK;
991 }
992
993
994 static int
995 putadr (char *name, char *aka, struct mailname *mp, FILE *out, unsigned int flags)
996 {
997 int len;
998 char *cp;
999 char buffer[BUFSIZ];
1000
1001 if (mp->m_mbox == NULL || ((flags & HTRY) && !insert (mp)))
1002 return 0;
1003 if ((!fill_in && (flags & (HBCC | HDCC))) || mp->m_ingrp)
1004 return 1;
1005
1006 if (!nameoutput) {
1007 fprintf (out, "%s: ", name);
1008 linepos += (nameoutput = strlen (name) + 2);
1009 }
1010
1011 if (*aka && mp->m_type != UUCPHOST && !mp->m_pers)
1012 mp->m_pers = getcpy (aka);
1013 if (format) {
1014 if (mp->m_gname && !fill_in) {
1015 snprintf (buffer, sizeof(buffer), "%s;", mp->m_gname);
1016 cp = buffer;
1017 } else {
1018 cp = adrformat (mp);
1019 }
1020 } else {
1021 cp = mp->m_text;
1022 }
1023 len = strlen (cp);
1024
1025 if (linepos != nameoutput) {
1026 if (len + linepos + 2 > outputlinelen)
1027 fprintf (out, ",\n%*s", linepos = nameoutput, "");
1028 else {
1029 fputs (", ", out);
1030 linepos += 2;
1031 }
1032 }
1033
1034 fputs (cp, out);
1035 linepos += len;
1036
1037 return (flags & HTRY);
1038 }
1039
1040
1041 static void
1042 putgrp (char *name, char *group, FILE *out, unsigned int flags)
1043 {
1044 int len;
1045 char *cp;
1046
1047 if (!fill_in && (flags & HBCC))
1048 return;
1049
1050 if (!nameoutput) {
1051 fprintf (out, "%s: ", name);
1052 linepos += (nameoutput = strlen (name) + 2);
1053 if (fill_in)
1054 linepos -= strlen (group);
1055 }
1056
1057 cp = fill_in ? group : concat (group, ";", NULL);
1058 len = strlen (cp);
1059
1060 if (linepos > nameoutput) {
1061 if (len + linepos + 2 > outputlinelen) {
1062 fprintf (out, ",\n%*s", nameoutput, "");
1063 linepos = nameoutput;
1064 }
1065 else {
1066 fputs (", ", out);
1067 linepos += 2;
1068 }
1069 }
1070
1071 fputs (cp, out);
1072 linepos += len;
1073 }
1074
1075
1076 static int
1077 insert (struct mailname *np)
1078 {
1079 struct mailname *mp;
1080
1081 if (np->m_mbox == NULL)
1082 return 0;
1083
1084 for (mp = np->m_type == LOCALHOST ? &localaddrs
1085 : np->m_type == UUCPHOST ? &uuaddrs
1086 : &netaddrs;
1087 mp->m_next;
1088 mp = mp->m_next)
1089 if (!strcasecmp (np->m_host, mp->m_next->m_host)
1090 && !strcasecmp (np->m_mbox, mp->m_next->m_mbox)
1091 && np->m_bcc == mp->m_next->m_bcc)
1092 return 0;
1093
1094 mp->m_next = np;
1095 recipients++;
1096 return 1;
1097 }
1098
1099
1100 static void
1101 pl (void)
1102 {
1103 int i;
1104 struct mailname *mp;
1105
1106 printf ("-------\n\t-- Addresses --\nlocal:\t");
1107 for (mp = localaddrs.m_next; mp; mp = mp->m_next)
1108 printf ("%s%s%s", mp->m_mbox,
1109 mp->m_bcc ? "[BCC]" : "",
1110 mp->m_next ? ",\n\t" : "");
1111
1112 printf ("\nnet:\t");
1113 for (mp = netaddrs.m_next; mp; mp = mp->m_next)
1114 printf ("%s%s@%s%s%s", mp->m_path ? mp->m_path : "",
1115 mp->m_mbox, mp->m_host,
1116 mp->m_bcc ? "[BCC]" : "",
1117 mp->m_next ? ",\n\t" : "");
1118
1119 printf ("\nuucp:\t");
1120 for (mp = uuaddrs.m_next; mp; mp = mp->m_next)
1121 printf ("%s!%s%s%s", mp->m_host, mp->m_mbox,
1122 mp->m_bcc ? "[BCC]" : "",
1123 mp->m_next ? ",\n\t" : "");
1124
1125 printf ("\n\t-- Folder Copies --\nfcc:\t");
1126 for (i = 0; i < fccind; i++)
1127 printf ("%s%s", fccfold[i], i + 1 < fccind ? ",\n\t" : "");
1128 printf ("\n");
1129 }
1130
1131
1132 static void
1133 anno (void)
1134 {
1135 struct mailname *mp;
1136
1137 for (mp = localaddrs.m_next; mp; mp = mp->m_next)
1138 if (annoaux (mp) == NOTOK)
1139 goto oops;
1140
1141 for (mp = netaddrs.m_next; mp; mp = mp->m_next)
1142 if (annoaux (mp) == NOTOK)
1143 goto oops;
1144
1145 for (mp = uuaddrs.m_next; mp; mp = mp->m_next)
1146 if (annoaux (mp) == NOTOK)
1147 break;
1148
1149 oops: ;
1150 close (pfd);
1151 pfd = NOTOK;
1152 }
1153
1154
1155 static int
1156 annoaux (struct mailname *mp)
1157 {
1158 int i;
1159 char buffer[BUFSIZ];
1160
1161 snprintf (buffer, sizeof(buffer), "%s\n", adrformat (mp));
1162 i = strlen (buffer);
1163
1164 return (write (pfd, buffer, i) == i ? OK : NOTOK);
1165 }
1166
1167
1168 static void
1169 insert_fcc (struct headers *hdr, char *pp)
1170 {
1171 char *cp;
1172
1173 for (cp = pp; isspace (*cp); cp++)
1174 continue;
1175 for (pp += strlen (pp) - 1; pp > cp && isspace (*pp); pp--)
1176 continue;
1177 if (pp >= cp)
1178 *++pp = 0;
1179 if (*cp == 0)
1180 return;
1181
1182 if (fccind >= FCCS)
1183 adios (NULL, "too many %ss", hdr->value);
1184 fccfold[fccind++] = getcpy (cp);
1185 }
1186
1187 /*
1188 * BCC GENERATION
1189 */
1190
1191 static void
1192 make_bcc_file (int dashstuff)
1193 {
1194 int fd, i;
1195 pid_t child_id;
1196 char *vec[6];
1197 FILE *out;
1198
1199 strncpy (bccfil, m_tmpfil ("bccs"), sizeof(bccfil));
1200 if ((out = fopen (bccfil, "w")) == NULL)
1201 adios (bccfil, "unable to create");
1202 chmod (bccfil, 0600);
1203
1204 fprintf (out, "Date: %s\n", dtime (&tclock, 0));
1205 if (msgid)
1206 fprintf (out, "Message-ID: <%d.%ld@%s>\n",
1207 (int) getpid (), (long) tclock, LocalName ());
1208 fprintf (out, "From: %s\n", signature);
1209 if (subject)
1210 fprintf (out, "Subject: %s", subject);
1211 fprintf (out, "BCC:\n");
1212
1213 /*
1214 * Use MIME encapsulation for Bcc messages
1215 */
1216 if (mime) {
1217 char *cp;
1218
1219 /*
1220 * Check if any lines in the message clash with the
1221 * prefix for the MIME multipart separator. If there
1222 * is a clash, increment one of the letters in the
1223 * prefix and check again.
1224 */
1225 if ((cp = strchr(prefix, 'a')) == NULL)
1226 adios (NULL, "lost prefix start");
1227 while (find_prefix () == NOTOK) {
1228 if (*cp < 'z')
1229 (*cp)++;
1230 else
1231 if (*++cp == 0)
1232 adios (NULL, "can't find a unique delimiter string");
1233 else
1234 (*cp)++;
1235 }
1236
1237 fprintf (out, "%s: %s\n%s: multipart/digest; boundary=\"",
1238 VRSN_FIELD, VRSN_VALUE, TYPE_FIELD);
1239 fprintf (out, "%s\"\n\n--%s\n\n", prefix, prefix);
1240 } else {
1241 fprintf (out, "\n------- Blind-Carbon-Copy\n\n");
1242 }
1243
1244 fflush (out);
1245
1246 /*
1247 * Do mhl filtering of Bcc messages instead
1248 * of MIME encapsulation.
1249 */
1250 if (filter != NULL) {
1251 vec[0] = r1bindex (mhlproc, '/');
1252
1253 for (i = 0; (child_id = fork()) == NOTOK && i < 5; i++)
1254 sleep (5);
1255 switch (child_id) {
1256 case NOTOK:
1257 adios ("fork", "unable to");
1258
1259 case OK:
1260 dup2 (fileno (out), 1);
1261
1262 i = 1;
1263 vec[i++] = "-forward";
1264 vec[i++] = "-form";
1265 vec[i++] = filter;
1266 vec[i++] = tmpfil;
1267
1268 /* was the flag -[no]dashstuffing specified? */
1269 if (dashstuff > 0)
1270 vec[i++] = "-dashstuffing";
1271 else if (dashstuff < 0)
1272 vec[i++] = "-nodashstuffing";
1273 vec[i] = NULL;
1274
1275 execvp (mhlproc, vec);
1276 fprintf (stderr, "unable to exec ");
1277 perror (mhlproc);
1278 _exit (-1);
1279
1280 default:
1281 pidXwait (child_id, mhlproc);
1282 break;
1283 }
1284 } else {
1285 if ((fd = open (tmpfil, O_RDONLY)) == NOTOK)
1286 adios (tmpfil, "unable to re-open");
1287
1288 /*
1289 * If using MIME encapsulation, or if the -nodashstuffing
1290 * flag was given, then just copy message. Else do
1291 * RFC934 quoting (dashstuffing).
1292 */
1293 if (mime || dashstuff < 0)
1294 cpydata (fd, fileno (out), tmpfil, bccfil);
1295 else
1296 cpydgst (fd, fileno (out), tmpfil, bccfil);
1297 close (fd);
1298 }
1299
1300 fseek (out, 0L, SEEK_END);
1301 if (mime)
1302 fprintf (out, "\n--%s--\n", prefix);
1303 else
1304 fprintf (out, "\n------- End of Blind-Carbon-Copy\n");
1305 fclose (out);
1306 }
1307
1308
1309 /*
1310 * Scan message to check if any lines clash with
1311 * the prefix of the MIME multipart separator.
1312 */
1313
1314 static int
1315 find_prefix (void)
1316 {
1317 int len, result;
1318 char buffer[BUFSIZ];
1319 FILE *in;
1320
1321 if ((in = fopen (tmpfil, "r")) == NULL)
1322 adios (tmpfil, "unable to re-open");
1323
1324 len = strlen (prefix);
1325
1326 result = OK;
1327 while (fgets (buffer, sizeof(buffer) - 1, in))
1328 if (buffer[0] == '-' && buffer[1] == '-') {
1329 char *cp;
1330
1331 for (cp = buffer + strlen (buffer) - 1; cp >= buffer; cp--)
1332 if (!isspace (*cp))
1333 break;
1334 *++cp = '\0';
1335 if (strcmp (buffer + 2, prefix) == 0) {
1336 result = NOTOK;
1337 break;
1338 }
1339 }
1340
1341 fclose (in);
1342 return result;
1343 }
1344
1345
1346 #define plural(x) (x == 1 ? "" : "s")
1347
1348 static void
1349 chkadr (void)
1350 {
1351 if (badadr && unkadr)
1352 die (NULL, "%d address%s unparsable, %d addressee%s undeliverable",
1353 badadr, plural (badadr), unkadr, plural (badadr));
1354 if (badadr)
1355 die (NULL, "%d address%s unparsable", badadr, plural (badadr));
1356 if (unkadr)
1357 die (NULL, "%d addressee%s undeliverable", unkadr, plural (unkadr));
1358 }
1359
1360
1361 static void
1362 do_addresses (int bccque, int talk)
1363 {
1364 int retval;
1365 int state;
1366 struct mailname *lp;
1367
1368 state = 0;
1369 for (lp = localaddrs.m_next; lp; lp = lp->m_next)
1370 if (lp->m_bcc ? bccque : !bccque) {
1371 if (talk && !state)
1372 printf (" -- Local Recipients --\n");
1373 do_an_address (lp, talk);
1374 state++;
1375 }
1376
1377 state = 0;
1378 for (lp = uuaddrs.m_next; lp; lp = lp->m_next)
1379 if (lp->m_bcc ? bccque : !bccque) {
1380 if (talk && !state)
1381 printf (" -- UUCP Recipients --\n");
1382 do_an_address (lp, talk);
1383 state++;
1384 }
1385
1386 state = 0;
1387 for (lp = netaddrs.m_next; lp; lp = lp->m_next)
1388 if (lp->m_bcc ? bccque : !bccque) {
1389 if (talk && !state)
1390 printf (" -- Network Recipients --\n");
1391 do_an_address (lp, talk);
1392 state++;
1393 }
1394
1395 chkadr ();
1396
1397 #ifdef MMDFMTS
1398 if (rp_isbad (retval = mm_waend ()))
1399 die (NULL, "problem ending addresses [%s]\n", rp_valstr (retval));
1400 #endif /* MMDFMTS */
1401
1402 #ifdef SMTPMTS
1403 if (rp_isbad (retval = sm_waend ()))
1404 die (NULL, "problem ending addresses; %s", rp_string (retval));
1405 #endif /* SMTPMTS */
1406 }
1407
1408
1409 /*
1410 * MTS-SPECIFIC INTERACTION
1411 */
1412
1413
1414 /*
1415 * SENDMAIL/SMTP routines
1416 */
1417
1418 #ifdef SMTPMTS
1419
1420 static void
1421 post (char *file, int bccque, int talk)
1422 {
1423 int fd, onex;
1424 int retval;
1425
1426 onex = !(msgflags & MINV) || bccque;
1427 if (verbose) {
1428 if (msgflags & MINV)
1429 printf (" -- Posting for %s Recipients --\n",
1430 bccque ? "Blind" : "Sighted");
1431 else
1432 printf (" -- Posting for All Recipients --\n");
1433 }
1434
1435 sigon ();
1436
1437 if (rp_isbad (retval = sm_init (clientsw, serversw, watch, verbose,
1438 snoop, onex, queued, sasl, saslmech,
1439 user))
1440 || rp_isbad (retval = sm_winit (smtpmode, from)))
1441 die (NULL, "problem initializing server; %s", rp_string (retval));
1442
1443 do_addresses (bccque, talk && verbose);
1444 if ((fd = open (file, O_RDONLY)) == NOTOK)
1445 die (file, "unable to re-open");
1446 do_text (file, fd);
1447 close (fd);
1448 fflush (stdout);
1449
1450 sm_end (onex ? OK : DONE);
1451 sigoff ();
1452
1453 if (verbose) {
1454 if (msgflags & MINV)
1455 printf (" -- %s Recipient Copies Posted --\n",
1456 bccque ? "Blind" : "Sighted");
1457 else
1458 printf (" -- Recipient Copies Posted --\n");
1459 }
1460
1461 fflush (stdout);
1462 }
1463
1464
1465 /* Address Verification */
1466
1467 static void
1468 verify_all_addresses (int talk)
1469 {
1470 int retval;
1471 struct mailname *lp;
1472
1473 sigon ();
1474
1475 if (!whomsw || checksw)
1476 if (rp_isbad (retval = sm_init (clientsw, serversw, 0, 0, snoop, 0,
1477 0, 0, 0, 0))
1478 || rp_isbad (retval = sm_winit (smtpmode, from)))
1479 die (NULL, "problem initializing server; %s", rp_string (retval));
1480
1481 if (talk && !whomsw)
1482 printf (" -- Address Verification --\n");
1483 if (talk && localaddrs.m_next)
1484 printf (" -- Local Recipients --\n");
1485 for (lp = localaddrs.m_next; lp; lp = lp->m_next)
1486 do_an_address (lp, talk);
1487
1488 if (talk && uuaddrs.m_next)
1489 printf (" -- UUCP Recipients --\n");
1490 for (lp = uuaddrs.m_next; lp; lp = lp->m_next)
1491 do_an_address (lp, talk);
1492
1493 if (talk && netaddrs.m_next)
1494 printf (" -- Network Recipients --\n");
1495 for (lp = netaddrs.m_next; lp; lp = lp->m_next)
1496 do_an_address (lp, talk);
1497
1498 chkadr ();
1499 if (talk && !whomsw)
1500 printf (" -- Address Verification Successful --\n");
1501
1502 if (!whomsw || checksw)
1503 sm_end (DONE);
1504
1505 fflush (stdout);
1506 sigoff ();
1507 }
1508
1509
1510 static void
1511 do_an_address (struct mailname *lp, int talk)
1512 {
1513 int retval;
1514 char *mbox, *host;
1515 char addr[BUFSIZ];
1516
1517 switch (lp->m_type) {
1518 case LOCALHOST:
1519 mbox = lp->m_mbox;
1520 host = lp->m_host;
1521 strncpy (addr, mbox, sizeof(addr));
1522 break;
1523
1524 case UUCPHOST:
1525 mbox = auxformat (lp, 0);
1526 host = NULL;
1527 snprintf (addr, sizeof(addr), "%s!%s", lp->m_host, lp->m_mbox);
1528 break;
1529
1530 default: /* let SendMail decide if the host is bad */
1531 mbox = lp->m_mbox;
1532 host = lp->m_host;
1533 snprintf (addr, sizeof(addr), "%s at %s", mbox, host);
1534 break;
1535 }
1536
1537 if (talk)
1538 printf (" %s%s", addr, whomsw && lp->m_bcc ? "[BCC]" : "");
1539
1540 if (whomsw && !checksw) {
1541 putchar ('\n');
1542 return;
1543 }
1544 if (talk)
1545 printf (": ");
1546 fflush (stdout);
1547
1548 switch (retval = sm_wadr (mbox, host,
1549 lp->m_type != UUCPHOST ? lp->m_path : NULL)) {
1550 case RP_OK:
1551 if (talk)
1552 printf ("address ok\n");
1553 break;
1554
1555 case RP_NO:
1556 case RP_USER:
1557 if (!talk)
1558 fprintf (stderr, " %s: ", addr);
1559 fprintf (talk ? stdout : stderr, "loses; %s\n",
1560 rp_string (retval));
1561 unkadr++;
1562 break;
1563
1564 default:
1565 if (!talk)
1566 fprintf (stderr, " %s: ", addr);
1567 die (NULL, "unexpected response; %s", rp_string (retval));
1568 }
1569
1570 fflush (stdout);
1571 }
1572
1573
1574 static void
1575 do_text (char *file, int fd)
1576 {
1577 int retval, state;
1578 char buf[BUFSIZ];
1579
1580 lseek (fd, (off_t) 0, SEEK_SET);
1581
1582 while ((state = read (fd, buf, sizeof(buf))) > 0) {
1583 if (rp_isbad (retval = sm_wtxt (buf, state)))
1584 die (NULL, "problem writing text; %s\n", rp_string (retval));
1585 }
1586
1587 if (state == NOTOK)
1588 die (file, "problem reading from");
1589
1590 switch (retval = sm_wtend ()) {
1591 case RP_OK:
1592 break;
1593
1594 case RP_NO:
1595 case RP_NDEL:
1596 die (NULL, "posting failed; %s", rp_string (retval));
1597
1598 default:
1599 die (NULL, "unexpected response; %s", rp_string (retval));
1600 }
1601 }
1602
1603 #endif /* SMTPMTS */
1604
1605 /*
1606 * MMDF routines
1607 */
1608
1609 #ifdef MMDFMTS
1610
1611 static void
1612 post (char *file, int bccque, int talk)
1613 {
1614 int fd, onex;
1615 int retval;
1616 #ifdef RP_NS
1617 int len;
1618 struct rp_bufstruct reply;
1619 #endif /* RP_NS */
1620
1621 onex = !(msgflags & MINV) || bccque;
1622 if (verbose) {
1623 if (msgflags & MINV)
1624 printf (" -- Posting for %s Recipients --\n",
1625 bccque ? "Blind" : "Sighted");
1626 else
1627 printf (" -- Posting for All Recipients --\n");
1628 }
1629
1630 sigon ();
1631
1632 if (rp_isbad (retval = mm_init ())
1633 || rp_isbad (retval = mm_sbinit ())
1634 || rp_isbad (retval = mm_winit (NULL, submitopts, from)))
1635 die (NULL, "problem initializing MMDF system [%s]",
1636 rp_valstr (retval));
1637 #ifdef RP_NS
1638 if (rp_isbad (retval = mm_rrply (&reply, &len)))
1639 die (NULL, "problem with sender address [%s]",
1640 rp_valstr (retval));
1641 #endif /* RP_NS */
1642
1643 do_addresses (bccque, talk && verbose);
1644 if ((fd = open (file, O_RDONLY)) == NOTOK)
1645 die (file, "unable to re-open");
1646 do_text (file, fd);
1647 close (fd);
1648 fflush (stdout);
1649
1650 mm_sbend ();
1651 mm_end (OK);
1652 sigoff ();
1653
1654 if (verbose)
1655 if (msgflags & MINV)
1656 printf (" -- %s Recipient Copies Posted --\n",
1657 bccque ? "Blind" : "Sighted");
1658 else
1659 printf (" -- Recipient Copies Posted --\n");
1660 fflush (stdout);
1661 }
1662
1663
1664 /* Address Verification */
1665
1666 static void
1667 verify_all_addresses (int talk)
1668 {
1669 int retval;
1670 struct mailname *lp;
1671
1672 #ifdef RP_NS
1673 int len;
1674 struct rp_bufstruct reply;
1675 #endif /* RP_NS */
1676
1677 sigon ();
1678
1679 if (!whomsw || checksw) {
1680 if (rp_isbad (retval = mm_init ())
1681 || rp_isbad (retval = mm_sbinit ())
1682 || rp_isbad (retval = mm_winit (NULL, submitopts, from)))
1683 die (NULL, "problem initializing MMDF system [%s]",
1684 rp_valstr (retval));
1685 #ifdef RP_NS
1686 if (rp_isbad (retval = mm_rrply (&reply, &len)))
1687 die (NULL, "problem with sender address [%s]", rp_valstr (retval));
1688 #endif /* RP_NS */
1689 }
1690
1691 if (talk && !whomsw)
1692 printf (" -- Address Verification --\n");
1693 if (talk && localaddrs.m_next)
1694 printf (" -- Local Recipients --\n");
1695 for (lp = localaddrs.m_next; lp; lp = lp->m_next)
1696 do_an_address (lp, talk);
1697
1698 if (talk && uuaddrs.m_next)
1699 printf (" -- UUCP Recipients --\n");
1700 for (lp = uuaddrs.m_next; lp; lp = lp->m_next)
1701 do_an_address (lp, talk);
1702
1703 if (talk && netaddrs.m_next)
1704 printf (" -- Network Recipients --\n");
1705 for (lp = netaddrs.m_next; lp; lp = lp->m_next)
1706 do_an_address (lp, talk);
1707
1708 chkadr ();
1709 if (talk && !whomsw)
1710 printf (" -- Address Verification Successful --\n");
1711
1712 if (!whomsw || checksw)
1713 mm_end (NOTOK);
1714
1715 fflush (stdout);
1716 sigoff ();
1717 }
1718
1719
1720 static void
1721 do_an_address (struct mailname *lp, int talk)
1722 {
1723 int len, retval;
1724 char *mbox, *host, *text, *path;
1725 char addr[BUFSIZ];
1726 struct rp_bufstruct reply;
1727
1728 switch (lp->m_type) {
1729 case LOCALHOST:
1730 mbox = lp->m_mbox;
1731 host = LocalName ();
1732 strncpy (addr, mbox, sizeof(addr));
1733 break;
1734
1735 case UUCPHOST:
1736 fprintf (talk ? stdout : stderr, " %s!%s: %s\n",
1737 lp->m_host, lp->m_mbox, "not supported; UUCP address");
1738 unkadr++;
1739 fflush (stdout);
1740 return;
1741
1742 default: /* let MMDF decide if the host is bad */
1743 mbox = lp->m_mbox;
1744 host = lp->m_host;
1745 snprintf (addr, sizeof(addr), "%s at %s", mbox, host);
1746 break;
1747 }
1748
1749 if (talk)
1750 printf (" %s%s", addr, whomsw && lp->m_bcc ? "[BCC]" : "");
1751
1752 if (whomsw && !checksw) {
1753 putchar ('\n');
1754 return;
1755 }
1756 if (talk)
1757 printf (": ");
1758 fflush (stdout);
1759
1760 #ifdef MMDFII
1761 if (lp->m_path)
1762 path = concat (lp->m_path, mbox, "@", host, NULL);
1763 else
1764 #endif /* MMDFII */
1765 path = NULL;
1766 if (rp_isbad (retval = mm_wadr (path ? NULL : host, path ? path : mbox))
1767 || rp_isbad (retval = mm_rrply (&reply, &len)))
1768 die (NULL, "problem submitting address [%s]", rp_valstr (retval));
1769
1770 switch (rp_gval (reply.rp_val)) {
1771 case RP_AOK:
1772 if (talk)
1773 printf ("address ok\n");
1774 fflush (stdout);
1775 return;
1776
1777 #ifdef RP_DOK
1778 case RP_DOK:
1779 if (talk)
1780 printf ("nameserver timeout - queued for checking\n");
1781 fflush (stdout);
1782 return;
1783 #endif /* RP_DOK */
1784
1785 case RP_NO:
1786 text = "you lose";
1787 break;
1788
1789 #ifdef RP_NS
1790 case RP_NS:
1791 text = "temporary nameserver failure";
1792 break;
1793
1794 #endif /* RP_NS */
1795
1796 case RP_USER:
1797 case RP_NDEL:
1798 text = "not deliverable";
1799 break;
1800
1801 case RP_AGN:
1802 text = "try again later";
1803 break;
1804
1805 case RP_NOOP:
1806 text = "nothing done";
1807 break;
1808
1809 default:
1810 if (!talk)
1811 fprintf (stderr, " %s: ", addr);
1812 text = "unexpected response";
1813 die (NULL, "%s;\n [%s] -- %s", text,
1814 rp_valstr (reply.rp_val), reply.rp_line);
1815 }
1816
1817 if (!talk)
1818 fprintf (stderr, " %s: ", addr);
1819 fprintf (talk ? stdout : stderr, "%s;\n %s\n", text, reply.rp_line);
1820 unkadr++;
1821
1822 fflush (stdout);
1823 }
1824
1825
1826 static void
1827 do_text (char *file, int fd)
1828 {
1829 int retval, state;
1830 char buf[BUFSIZ];
1831 struct rp_bufstruct reply;
1832
1833 lseek (fd, (off_t) 0, SEEK_SET);
1834
1835 while ((state = read (fd, buf, sizeof(buf))) > 0) {
1836 if (rp_isbad (mm_wtxt (buf, state)))
1837 die (NULL, "problem writing text [%s]\n", rp_valstr (retval));
1838 }
1839
1840 if (state == NOTOK)
1841 die (file, "problem reading from");
1842
1843 if (rp_isbad (retval = mm_wtend ()))
1844 die (NULL, "problem ending text [%s]\n", rp_valstr (retval));
1845
1846 if (rp_isbad (retval = mm_rrply (&reply, &state)))
1847 die (NULL, "problem getting submission status [%s]\n",
1848 rp_valstr (retval));
1849
1850 switch (rp_gval (reply.rp_val)) {
1851 case RP_OK:
1852 case RP_MOK:
1853 break;
1854
1855 case RP_NO:
1856 die (NULL, "you lose; %s", reply.rp_line);
1857
1858 case RP_NDEL:
1859 die (NULL, "no delivery occurred; %s", reply.rp_line);
1860
1861 case RP_AGN:
1862 die (NULL, "try again later; %s", reply.rp_line);
1863
1864 case RP_NOOP:
1865 die (NULL, "nothing done; %s", reply.rp_line);
1866
1867 default:
1868 die (NULL, "unexpected response;\n\t[%s] -- %s",
1869 rp_valstr (reply.rp_val), reply.rp_line);
1870 }
1871 }
1872
1873 #endif /* MMDFMTS */
1874
1875
1876 /*
1877 * SIGNAL HANDLING
1878 */
1879
1880 static RETSIGTYPE
1881 sigser (int i)
1882 {
1883 #ifndef RELIABLE_SIGNALS
1884 SIGNAL (i, SIG_IGN);
1885 #endif
1886
1887 unlink (tmpfil);
1888 if (msgflags & MINV)
1889 unlink (bccfil);
1890
1891 #ifdef MMDFMTS
1892 if (!whomsw || checksw)
1893 mm_end (NOTOK);
1894 #endif /* MMDFMTS */
1895
1896 #ifdef SMTPMTS
1897 if (!whomsw || checksw)
1898 sm_end (NOTOK);
1899 #endif /* SMTPMTS */
1900
1901 done (1);
1902 }
1903
1904
1905 static void
1906 sigon (void)
1907 {
1908 if (debug)
1909 return;
1910
1911 hstat = SIGNAL2 (SIGHUP, sigser);
1912 istat = SIGNAL2 (SIGINT, sigser);
1913 qstat = SIGNAL2 (SIGQUIT, sigser);
1914 tstat = SIGNAL2 (SIGTERM, sigser);
1915 }
1916
1917
1918 static void
1919 sigoff (void)
1920 {
1921 if (debug)
1922 return;
1923
1924 SIGNAL (SIGHUP, hstat);
1925 SIGNAL (SIGINT, istat);
1926 SIGNAL (SIGQUIT, qstat);
1927 SIGNAL (SIGTERM, tstat);
1928 }
1929
1930 /*
1931 * FCC INTERACTION
1932 */
1933
1934 static void
1935 p_refile (char *file)
1936 {
1937 int i;
1938
1939 if (fccind == 0)
1940 return;
1941
1942 if (verbose)
1943 printf (" -- Filing Folder Copies --\n");
1944 for (i = 0; i < fccind; i++)
1945 fcc (file, fccfold[i]);
1946 if (verbose)
1947 printf (" -- Folder Copies Filed --\n");
1948 }
1949
1950
1951 /*
1952 * Call the `fileproc' to add the file to the folder.
1953 */
1954
1955 static void
1956 fcc (char *file, char *folder)
1957 {
1958 pid_t child_id;
1959 int i, status;
1960 char fold[BUFSIZ];
1961
1962 if (verbose)
1963 printf (" %sFcc %s: ", msgstate == RESENT ? "Resent-" : "", folder);
1964 fflush (stdout);
1965
1966 for (i = 0; (child_id = fork ()) == NOTOK && i < 5; i++)
1967 sleep (5);
1968
1969 switch (child_id) {
1970 case NOTOK:
1971 if (!verbose)
1972 fprintf (stderr, " %sFcc %s: ",
1973 msgstate == RESENT ? "Resent-" : "", folder);
1974 fprintf (verbose ? stdout : stderr, "no forks, so not ok\n");
1975 break;
1976
1977 case OK:
1978 /* see if we need to add `+' */
1979 snprintf (fold, sizeof(fold), "%s%s",
1980 *folder == '+' || *folder == '@' ? "" : "+", folder);
1981
1982 /* now exec the fileproc */
1983 execlp (fileproc, r1bindex (fileproc, '/'),
1984 "-link", "-file", file, fold, NULL);
1985 _exit (-1);
1986
1987 default:
1988 if ((status = pidwait (child_id, OK))) {
1989 if (!verbose)
1990 fprintf (stderr, " %sFcc %s: ",
1991 msgstate == RESENT ? "Resent-" : "", folder);
1992 pidstatus (status, verbose ? stdout : stderr, NULL);
1993 } else {
1994 if (verbose)
1995 printf ("folder ok\n");
1996 }
1997 }
1998
1999 fflush (stdout);
2000 }
2001
2002 /*
2003 * TERMINATION
2004 */
2005
2006 static void
2007 die (char *what, char *fmt, ...)
2008 {
2009 va_list ap;
2010
2011 unlink (tmpfil);
2012 if (msgflags & MINV)
2013 unlink (bccfil);
2014
2015 #ifdef MMDFMTS
2016 if (!whomsw || checksw)
2017 mm_end (NOTOK);
2018 #endif /* MMDFMTS */
2019
2020 #ifdef SMTPMTS
2021 if (!whomsw || checksw)
2022 sm_end (NOTOK);
2023 #endif /* SMTPMTS */
2024
2025 va_start(ap, fmt);
2026 advertise (what, NULL, fmt, ap);
2027 va_end(ap);
2028 done (1);
2029 }
2030
2031
2032 #ifdef MMDFMTS
2033 /*
2034 * err_abrt() is used by the mm_ routines
2035 * do not, under *ANY* circumstances, remove it from post,
2036 * or you will lose *BIG*
2037 */
2038
2039 void
2040 err_abrt (int code, char *fmt, ...)
2041 {
2042 char buffer[BUFSIZ];
2043 va_list ap;
2044
2045 snprintf (buffer, sizeof(buffer), "[%s]", rp_valstr (code));
2046
2047 va_start(ap, fmt);
2048 advertise (buffer, NULL, fmt, ap);
2049 va_end(ap);
2050
2051 done (1);
2052 }
2053 #endif /* MMDFMTS */
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