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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 <zotnet/tws/tws.h>
17 #include <zotnet/mts/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 /*
40 * Currently smtp and sendmail use
41 * the same interface for posting.
42 */
43 #ifdef SMTPMTS
44 # define SENDMTS
45 #endif
46
47 #ifdef SENDMTS
48 # include <mts/smtp/smtp.h>
49 #endif
50
51 #ifndef MMDFMTS
52 # define uptolow(c) ((isalpha(c) && isupper (c)) ? tolower (c) : (c))
53 #endif
54
55 #define FCCS 10 /* max number of fccs allowed */
56
57 /* In the following array of structures, the numeric second field of the
58 structures (minchars) is apparently used like this:
59
60 -# : Switch can be abbreviated to # characters; switch hidden in -help.
61 0 : Switch can't be abbreviated; switch shown in -help.
62 # : Switch can be abbreviated to # characters; switch shown in -help. */
63
64 static struct swit switches[] = {
65 #define ALIASW 0
66 { "alias aliasfile", 0 },
67 #define CHKSW 1
68 { "check", -5 }, /* interface from whom */
69 #define NCHKSW 2
70 { "nocheck", -7 }, /* interface from whom */
71 #define DEBUGSW 3
72 { "debug", -5 },
73 #define DISTSW 4
74 { "dist", -4 }, /* interface from dist */
75 #define FILTSW 5
76 { "filter filterfile", 0 },
77 #define NFILTSW 6
78 { "nofilter", 0 },
79 #define FRMTSW 7
80 { "format", 0 },
81 #define NFRMTSW 8
82 { "noformat", 0 },
83 #define LIBSW 9
84 { "library directory", -7 }, /* interface from send, whom */
85 #define MIMESW 10
86 { "mime", 0 },
87 #define NMIMESW 11
88 { "nomime", 0 },
89 #define MSGDSW 12
90 { "msgid", 0 },
91 #define NMSGDSW 13
92 { "nomsgid", 0 },
93 #define VERBSW 14
94 { "verbose", 0 },
95 #define NVERBSW 15
96 { "noverbose", 0 },
97 #define WATCSW 16
98 { "watch", 0 },
99 #define NWATCSW 17
100 { "nowatch", 0 },
101 #define WHOMSW 18
102 { "whom", -4 }, /* interface from whom */
103 #define WIDTHSW 19
104 { "width columns", 0 },
105 #define VERSIONSW 20
106 { "version", 0 },
107 #define HELPSW 21
108 { "help", 0 },
109 #define BITSTUFFSW 22
110 { "dashstuffing", -12 }, /* should we dashstuff BCC messages? */
111 #define NBITSTUFFSW 23
112 { "nodashstuffing", -14 },
113 #define MAILSW 24
114 { "mail", -4 }, /* specify MAIL smtp mode */
115 #define SAMLSW 25
116 { "saml", -4 }, /* specify SAML smtp mode */
117 #define SENDSW 26
118 { "send", -4 }, /* specify SEND smtp mode */
119 #define SOMLSW 27
120 { "soml", -4 }, /* specify SOML smtp mode */
121 #define ANNOSW 28
122 { "idanno number", -6 }, /* interface from send */
123 #define DLVRSW 29
124 { "deliver address-list", -7 },
125 #define CLIESW 30
126 { "client host", -6 },
127 #define SERVSW 31
128 { "server host", -6 }, /* specify alternate SMTP server */
129 #define SNOOPSW 32
130 { "snoop", -5 }, /* snoop the SMTP transaction */
131 #define FILLSW 33
132 { "fill-in file", -7 },
133 #define FILLUSW 34
134 { "fill-up", -7 },
135 #define PARTSW 35
136 { "partno", -6 },
137 #define QUEUESW 36
138 { "queued", -6 },
139 { NULL, 0 }
140 };
141
142
143 struct headers {
144 char *value;
145 unsigned int flags;
146 unsigned int set;
147 };
148
149 /*
150 * flags for headers->flags
151 */
152 #define HNOP 0x0000 /* just used to keep .set around */
153 #define HBAD 0x0001 /* bad header - don't let it through */
154 #define HADR 0x0002 /* header has an address field */
155 #define HSUB 0x0004 /* Subject: header */
156 #define HTRY 0x0008 /* try to send to addrs on header */
157 #define HBCC 0x0010 /* don't output this header */
158 #define HMNG 0x0020 /* munge this header */
159 #define HNGR 0x0040 /* no groups allowed in this header */
160 #define HFCC 0x0080 /* FCC: type header */
161 #define HNIL 0x0100 /* okay for this header not to have addrs */
162 #define HIGN 0x0200 /* ignore this header */
163 #define HDCC 0x0400 /* another undocumented feature */
164
165 /*
166 * flags for headers->set
167 */
168 #define MFRM 0x0001 /* we've seen a From: */
169 #define MDAT 0x0002 /* we've seen a Date: */
170 #define MRFM 0x0004 /* we've seen a Resent-From: */
171 #define MVIS 0x0008 /* we've seen sighted addrs */
172 #define MINV 0x0010 /* we've seen blind addrs */
173
174
175 static struct headers NHeaders[] = {
176 { "Return-Path", HBAD, 0 },
177 { "Received", HBAD, 0 },
178 { "Reply-To", HADR|HNGR, 0 },
179 { "From", HADR|HNGR, MFRM },
180 { "Sender", HADR|HBAD, 0 },
181 { "Date", HBAD, 0 },
182 { "Subject", HSUB, 0 },
183 { "To", HADR|HTRY, MVIS },
184 { "cc", HADR|HTRY, MVIS },
185 { "Bcc", HADR|HTRY|HBCC|HNIL, MINV },
186 { "Dcc", HADR|HTRY|HDCC|HNIL, MVIS }, /* sorta cc & bcc combined */
187 { "Message-ID", HBAD, 0 },
188 { "Fcc", HFCC, 0 },
189 { NULL, 0, 0 }
190 };
191
192 static struct headers RHeaders[] = {
193 { "Resent-Reply-To", HADR|HNGR, 0 },
194 { "Resent-From", HADR|HNGR, MRFM },
195 { "Resent-Sender", HADR|HBAD, 0 },
196 { "Resent-Date", HBAD, 0 },
197 { "Resent-Subject", HSUB, 0 },
198 { "Resent-To", HADR|HTRY, MVIS },
199 { "Resent-cc", HADR|HTRY, MVIS },
200 { "Resent-Bcc", HADR|HTRY|HBCC, MINV },
201 { "Resent-Message-ID", HBAD, 0 },
202 { "Resent-Fcc", HFCC, 0 },
203 { "Reply-To", HADR, 0 },
204 { "From", HADR|HNGR, MFRM },
205 #ifdef MMDFI
206 { "Sender", HADR|HNGR|HMNG, 0 },
207 #else
208 { "Sender", HADR|HNGR, 0 },
209 #endif
210 { "Date", HNOP, MDAT },
211 { "To", HADR|HNIL, 0 },
212 { "cc", HADR|HNIL, 0 },
213 { "Bcc", HADR|HTRY|HBCC|HNIL, 0 },
214 { "Fcc", HIGN, 0 },
215 { NULL, 0, 0 }
216 };
217
218 static short fccind = 0; /* index into fccfold[] */
219 static short outputlinelen = OUTPUTLINELEN;
220
221 static int pfd = NOTOK; /* fd to write annotation list to */
222 static uid_t myuid= -1; /* my user id */
223 static gid_t mygid= -1; /* my group id */
224 static int recipients = 0; /* how many people will get a copy */
225 static int unkadr = 0; /* how many of those were unknown */
226 static int badadr = 0; /* number of bad addrs */
227 static int badmsg = 0; /* message has bad semantics */
228 static int verbose = 0; /* spell it out */
229 static int format = 1; /* format addresses */
230 static int mime = 0; /* use MIME-style encapsulations for Bcc */
231 static int msgid = 0; /* add msgid */
232 static int debug = 0; /* debugging post */
233 static int watch = 0; /* watch the delivery process */
234 static int whomsw = 0; /* we are whom not post */
235 static int checksw = 0; /* whom -check */
236 static int linepos=0; /* putadr()'s position on the line */
237 static int nameoutput=0; /* putadr() has output header name */
238
239 static unsigned msgflags = 0; /* what we've seen */
240
241 #define NORMAL 0
242 #define RESENT 1
243 static int msgstate = NORMAL;
244
245 static time_t tclock = 0; /* the time we started (more or less) */
246
247 static SIGNAL_HANDLER hstat, istat, qstat, tstat;
248
249 static char tmpfil[BUFSIZ];
250 static char bccfil[BUFSIZ];
251
252 static char from[BUFSIZ]; /* my network address */
253 static char signature[BUFSIZ]; /* my signature */
254 static char *filter = NULL; /* the filter for BCC'ing */
255 static char *subject = NULL; /* the subject field for BCC'ing */
256 static char *fccfold[FCCS]; /* foldernames for FCC'ing */
257
258 static struct headers *hdrtab; /* table for the message we're doing */
259
260 static struct mailname localaddrs={NULL}; /* local addrs */
261 static struct mailname netaddrs={NULL}; /* network addrs */
262 static struct mailname uuaddrs={NULL}; /* uucp addrs */
263 static struct mailname tmpaddrs={NULL}; /* temporary queue */
264
265 #ifdef MMDFMTS
266 static char *submitmode = "m"; /* deliver to mailbox only */
267 static char submitopts[6] = "vl"; /* initial options for submit */
268 #endif /* MMDFMTS */
269
270 #ifdef SENDMTS
271 static int snoop = 0;
272 static int smtpmode = S_MAIL;
273 static char *clientsw = NULL;
274 static char *serversw = NULL;
275
276 extern struct smtp sm_reply;
277 #endif /* SENDMTS */
278
279 static char prefix[] = "----- =_aaaaaaaaaa";
280
281 static int fill_up = 0;
282 static char *fill_in = NULL;
283 static char *partno = NULL;
284 static int queued = 0;
285
286 extern int MMailids;
287
288 /*
289 * static prototypes
290 */
291 static void putfmt (char *, char *, FILE *);
292 static void start_headers (void);
293 static void finish_headers (FILE *);
294 static int get_header (char *, struct headers *);
295 static int putadr (char *, char *, struct mailname *, FILE *, unsigned int);
296 static void putgrp (char *, char *, FILE *, unsigned int);
297 static int insert (struct mailname *);
298 static void pl (void);
299 static void anno (void);
300 static int annoaux (struct mailname *);
301 static void insert_fcc (struct headers *, char *);
302 static void make_bcc_file (int);
303 static void verify_all_addresses (int);
304 static void chkadr (void);
305 static void sigon (void);
306 static void sigoff (void);
307 static void p_refile (char *);
308 static void fcc (char *, char *);
309 static void die (char *, char *, ...);
310 static void post (char *, int, int);
311 static void do_text (char *file, int fd);
312 static void do_an_address (struct mailname *, int);
313 static void do_addresses (int, int);
314 static int find_prefix (void);
315
316
317 int
318 main (int argc, char **argv)
319 {
320 int state, compnum, dashstuff = 0;
321 char *cp, *msg = NULL, **argp, **arguments;
322 char buf[BUFSIZ], name[NAMESZ];
323 FILE *in, *out;
324
325 #ifdef LOCALE
326 setlocale(LC_ALL, "");
327 #endif
328 invo_name = r1bindex (argv[0], '/');
329
330 /* foil search of user profile/context */
331 if (context_foil (NULL) == -1)
332 done (1);
333
334 mts_init (invo_name);
335 arguments = getarguments (invo_name, argc, argv, 0);
336 argp = arguments;
337
338 #if defined(MMDFMTS) && defined(MMDFII)
339 mmdf_init (invo_name);
340 #endif /* MMDFMTS and MMDFII */
341
342 while ((cp = *argp++)) {
343 if (*cp == '-') {
344 switch (smatch (++cp, switches)) {
345 case AMBIGSW:
346 ambigsw (cp, switches);
347 done (1);
348 case UNKWNSW:
349 adios (NULL, "-%s unknown", cp);
350
351 case HELPSW:
352 snprintf (buf, sizeof(buf), "%s [switches] file", invo_name);
353 print_help (buf, switches, 0);
354 done (1);
355 case VERSIONSW:
356 print_version(invo_name);
357 done (1);
358
359 case LIBSW:
360 if (!(cp = *argp++) || *cp == '-')
361 adios (NULL, "missing argument to %s", argp[-2]);
362 /* create a minimal context */
363 if (context_foil (cp) == -1)
364 done (1);
365 continue;
366
367 case ALIASW:
368 if (!(cp = *argp++) || *cp == '-')
369 adios (NULL, "missing argument to %s", argp[-2]);
370 if ((state = alias (cp)) != AK_OK)
371 adios (NULL, "aliasing error in %s - %s",
372 cp, akerror (state));
373 continue;
374
375 case CHKSW:
376 checksw++;
377 continue;
378 case NCHKSW:
379 checksw = 0;
380 continue;
381
382 case DEBUGSW:
383 debug++;
384 continue;
385
386 case DISTSW:
387 msgstate = RESENT;
388 continue;
389
390 case FILTSW:
391 if (!(filter = *argp++) || *filter == '-')
392 adios (NULL, "missing argument to %s", argp[-2]);
393 mime = 0;
394 continue;
395 case NFILTSW:
396 filter = NULL;
397 continue;
398
399 case FRMTSW:
400 format++;
401 continue;
402 case NFRMTSW:
403 format = 0;
404 continue;
405
406 case BITSTUFFSW:
407 dashstuff = 1;
408 continue;
409 case NBITSTUFFSW:
410 dashstuff = -1;
411 continue;
412
413 case MIMESW:
414 mime++;
415 filter = NULL;
416 continue;
417 case NMIMESW:
418 mime = 0;
419 continue;
420
421 case MSGDSW:
422 msgid++;
423 continue;
424 case NMSGDSW:
425 msgid = 0;
426 continue;
427
428 case VERBSW:
429 verbose++;
430 continue;
431 case NVERBSW:
432 verbose = 0;
433 continue;
434
435 case WATCSW:
436 watch++;
437 continue;
438 case NWATCSW:
439 watch = 0;
440 continue;
441
442 case WHOMSW:
443 whomsw++;
444 continue;
445
446 case WIDTHSW:
447 if (!(cp = *argp++) || *cp == '-')
448 adios (NULL, "missing argument to %s", argp[-2]);
449 if ((outputlinelen = atoi (cp)) < 10)
450 adios (NULL, "impossible width %d", outputlinelen);
451 continue;
452
453 case ANNOSW:
454 if (!(cp = *argp++) || *cp == '-')
455 adios (NULL, "missing argument to %s", argp[-2]);
456 if ((pfd = atoi (cp)) <= 2)
457 adios (NULL, "bad argument %s %s", argp[-2], cp);
458 continue;
459
460 #ifdef MMDFMTS
461 case MAILSW:
462 submitmode = "m";
463 continue;
464 case SOMLSW: /* for right now, sigh... */
465 case SAMLSW:
466 submitmode = "b";
467 continue;
468 case SENDSW:
469 submitmode = "y";
470 continue;
471 #endif /* MMDFMTS */
472
473 case DLVRSW:
474 if (!(cp = *argp++) || *cp == '-')
475 adios (NULL, "missing argument to %s", argp[-2]);
476 continue;
477
478 #ifndef SENDMTS
479 case CLIESW:
480 case SERVSW:
481 if (!(cp = *argp++) || *cp == '-')
482 adios (NULL, "missing argument to %s", argp[-2]);
483 continue;
484
485 case SNOOPSW:
486 continue;
487 #else /* SENDMTS */
488 case MAILSW:
489 smtpmode = S_MAIL;
490 continue;
491 case SAMLSW:
492 smtpmode = S_SAML;
493 continue;
494 case SOMLSW:
495 smtpmode = S_SOML;
496 continue;
497 case SENDSW:
498 smtpmode = S_SEND;
499 continue;
500 case CLIESW:
501 if (!(clientsw = *argp++) || *clientsw == '-')
502 adios (NULL, "missing argument to %s", argp[-2]);
503 continue;
504 case SERVSW:
505 if (!(serversw = *argp++) || *serversw == '-')
506 adios (NULL, "missing argument to %s", argp[-2]);
507 continue;
508 case SNOOPSW:
509 snoop++;
510 continue;
511 #endif /* SENDMTS */
512
513 case FILLSW:
514 if (!(fill_in = *argp++) || *fill_in == '-')
515 adios (NULL, "missing argument to %s", argp[-2]);
516 continue;
517 case FILLUSW:
518 fill_up++;
519 continue;
520 case PARTSW:
521 if (!(partno = *argp++) || *partno == '-')
522 adios (NULL, "missing argument to %s", argp[-2]);
523 continue;
524
525 case QUEUESW:
526 queued++;
527 continue;
528 }
529 }
530 if (msg)
531 adios (NULL, "only one message at a time!");
532 else
533 msg = cp;
534 }
535
536 alias (AliasFile);
537
538 if (!msg)
539 adios (NULL, "usage: %s [switches] file", invo_name);
540
541 if (outputlinelen < 10)
542 adios (NULL, "impossible width %d", outputlinelen);
543
544 if ((in = fopen (msg, "r")) == NULL)
545 adios (msg, "unable to open");
546
547 start_headers ();
548 if (debug) {
549 verbose++;
550 discard (out = stdout); /* XXX: reference discard() to help loader */
551 } else {
552 if (whomsw) {
553 if ((out = fopen (fill_in ? fill_in : "/dev/null", "w")) == NULL)
554 adios ("/dev/null", "unable to open");
555 } else {
556 strncpy (tmpfil, m_scratch ("", m_maildir (invo_name)),
557 sizeof(tmpfil));
558 if ((out = fopen (tmpfil, "w")) == NULL) {
559 strncpy (tmpfil, m_tmpfil (invo_name), sizeof(tmpfil));
560 if ((out = fopen (tmpfil, "w")) == NULL)
561 adios (tmpfil, "unable to create");
562 }
563 chmod (tmpfil, 0600);
564 }
565 }
566
567 hdrtab = msgstate == NORMAL ? NHeaders : RHeaders;
568
569 for (compnum = 1, state = FLD;;) {
570 switch (state = m_getfld (state, name, buf, sizeof(buf), in)) {
571 case FLD:
572 case FLDEOF:
573 case FLDPLUS:
574 compnum++;
575 cp = add (buf, NULL);
576 while (state == FLDPLUS) {
577 state = m_getfld (state, name, buf, sizeof(buf), in);
578 cp = add (buf, cp);
579 }
580 putfmt (name, cp, out);
581 free (cp);
582 if (state != FLDEOF)
583 continue;
584 finish_headers (out);
585 break;
586
587 case BODY:
588 case BODYEOF:
589 finish_headers (out);
590 if (whomsw && !fill_in)
591 break;
592 fprintf (out, "\n%s", buf);
593 while (state == BODY) {
594 state = m_getfld (state, name, buf, sizeof(buf), in);
595 fputs (buf, out);
596 }
597 break;
598
599 case FILEEOF:
600 finish_headers (out);
601 break;
602
603 case LENERR:
604 case FMTERR:
605 adios (NULL, "message format error in component #%d", compnum);
606
607 default:
608 adios (NULL, "getfld() returned %d", state);
609 }
610 break;
611 }
612
613 if (pfd != NOTOK)
614 anno ();
615 fclose (in);
616
617 if (debug) {
618 pl ();
619 done (0);
620 } else {
621 fclose (out);
622 }
623
624 /* If we are doing a "whom" check */
625 if (whomsw) {
626 if (!fill_up)
627 verify_all_addresses (1);
628 done (0);
629 }
630
631 #ifdef MMDFMTS
632 strcat (submitopts, submitmode);
633 if (watch)
634 strcat (submitopts, "nw");
635 #endif /* MMDFMTS */
636
637 if (msgflags & MINV) {
638 make_bcc_file (dashstuff);
639 if (msgflags & MVIS) {
640 verify_all_addresses (verbose);
641 post (tmpfil, 0, verbose);
642 }
643 post (bccfil, 1, verbose);
644 unlink (bccfil);
645 } else {
646 post (tmpfil, 0, isatty (1));
647 }
648
649 p_refile (tmpfil);
650 unlink (tmpfil);
651
652 if (verbose)
653 printf (partno ? "Partial Message #%s Processed\n" : "Message Processed\n",
654 partno);
655 return done (0);
656 }
657
658
659 /*
660 * DRAFT GENERATION
661 */
662
663 static void
664 putfmt (char *name, char *str, FILE *out)
665 {
666 int count, grp, i, keep;
667 char *cp, *pp, *qp;
668 char namep[BUFSIZ];
669 struct mailname *mp, *np;
670 struct headers *hdr;
671
672 while (*str == ' ' || *str == '\t')
673 str++;
674
675 if (msgstate == NORMAL && uprf (name, "resent")) {
676 advise (NULL, "illegal header line -- %s:", name);
677 badmsg++;
678 return;
679 }
680
681 if ((i = get_header (name, hdrtab)) == NOTOK) {
682 fprintf (out, "%s: %s", name, str);
683 return;
684 }
685
686 hdr = &hdrtab[i];
687 if (hdr->flags & HIGN) {
688 if (fill_in)
689 fprintf (out, "%s: %s", name, str);
690 return;
691 }
692 if (hdr->flags & HBAD) {
693 if (fill_in)
694 fprintf (out, "%s: %s", name, str);
695 else {
696 advise (NULL, "illegal header line -- %s:", name);
697 badmsg++;
698 }
699 return;
700 }
701 msgflags |= (hdr->set & ~(MVIS | MINV));
702
703 if (hdr->flags & HSUB)
704 subject = subject ? add (str, add ("\t", subject)) : getcpy (str);
705 if (hdr->flags & HFCC) {
706 if (fill_in) {
707 fprintf (out, "%s: %s", name, str);
708 return;
709 }
710
711 if ((cp = strrchr(str, '\n')))
712 *cp = 0;
713 for (cp = pp = str; (cp = strchr(pp, ',')); pp = cp) {
714 *cp++ = 0;
715 insert_fcc (hdr, pp);
716 }
717 insert_fcc (hdr, pp);
718 return;
719 }
720
721 if (!(hdr->flags & HADR)) {
722 fprintf (out, "%s: %s", name, str);
723 return;
724 }
725
726 tmpaddrs.m_next = NULL;
727 for (count = 0; (cp = getname (str)); count++)
728 if ((mp = getm (cp, NULL, 0, AD_HOST, NULL))) {
729 if (tmpaddrs.m_next)
730 np->m_next = mp;
731 else
732 tmpaddrs.m_next = mp;
733 np = mp;
734 }
735 else
736 if (hdr->flags & HTRY)
737 badadr++;
738 else
739 badmsg++;
740
741 if (count < 1) {
742 if (hdr->flags & HNIL)
743 fprintf (out, "%s: %s", name, str);
744 else {
745 #ifdef notdef
746 advise (NULL, "%s: field requires at least one address", name);
747 badmsg++;
748 #endif /* notdef */
749 }
750 return;
751 }
752
753 nameoutput = linepos = 0;
754 snprintf (namep, sizeof(namep), "%s%s",
755 !fill_in && (hdr->flags & HMNG) ? "Original-" : "", name);
756
757 for (grp = 0, mp = tmpaddrs.m_next; mp; mp = np)
758 if (mp->m_nohost) { /* also used to test (hdr->flags & HTRY) */
759 /* The address doesn't include a host, so it might be an alias. */
760 pp = akvalue (mp->m_mbox); /* do mh alias substitution */
761 qp = akvisible () ? mp->m_mbox : "";
762 np = mp;
763 if (np->m_gname)
764 putgrp (namep, np->m_gname, out, hdr->flags);
765 while ((cp = getname (pp))) {
766 if (!(mp = getm (cp, NULL, 0, AD_HOST, NULL))) {
767 badadr++;
768 continue;
769 }
770
771 if (MMailids && ((msgstate == RESENT)
772 ? (hdr->set & MRFM)
773 : (hdr->set & MFRM)))
774 /* The user manually specified a [Resent-]From: address in
775 their draft and mts.conf turned on "mmailid", so we'll
776 set things up to use the actual email address embedded in
777 the draft [Resent-]From: (after alias substitution, and
778 without the GECOS full name or angle brackets) as the
779 envelope From:. */
780 strncpy(from, auxformat(mp, 0), sizeof(from) - 1);
781
782 if (hdr->flags & HBCC)
783 mp->m_bcc++;
784 if (np->m_ingrp)
785 mp->m_ingrp = np->m_ingrp;
786 else
787 if (mp->m_gname)
788 putgrp (namep, mp->m_gname, out, hdr->flags);
789 if (mp->m_ingrp)
790 grp++;
791 if (putadr (namep, qp, mp, out, hdr->flags))
792 msgflags |= (hdr->set & (MVIS | MINV));
793 else
794 mnfree (mp);
795 }
796 mp = np;
797 np = np->m_next;
798 mnfree (mp);
799 }
800 else {
801 /* Address includes a host, so no alias substitution is needed. */
802 if (MMailids && ((msgstate == RESENT)
803 ? (hdr->set & MRFM)
804 : (hdr->set & MFRM)))
805 /* The user manually specified a [Resent-]From: address in their
806 draft and mts.conf turned on "mmailid", so we'll set things
807 up to use the actual email address embedded in the draft
808 [Resent-]From: (without the GECOS full name or angle
809 brackets) as the envelope From:. */
810 strncpy(from, auxformat(mp, 0), sizeof(from) - 1);
811
812 if (hdr->flags & HBCC)
813 mp->m_bcc++;
814 if (mp->m_gname)
815 putgrp (namep, mp->m_gname, out, hdr->flags);
816 if (mp->m_ingrp)
817 grp++;
818 keep = putadr (namep, "", mp, out, hdr->flags);
819 np = mp->m_next;
820 if (keep) {
821 mp->m_next = NULL;
822 msgflags |= (hdr->set & (MVIS | MINV));
823 }
824 else
825 mnfree (mp);
826 }
827
828 if (grp > 0 && (hdr->flags & HNGR)) {
829 advise (NULL, "%s: field does not allow groups", name);
830 badmsg++;
831 }
832 if (linepos) {
833 if (fill_in && grp > 0)
834 putc (';', out);
835 putc ('\n', out);
836 }
837 }
838
839
840 static void
841 start_headers (void)
842 {
843 char *cp;
844 char myhost[BUFSIZ], sigbuf[BUFSIZ];
845 struct mailname *mp;
846
847 myuid = getuid ();
848 mygid = getgid ();
849 time (&tclock);
850
851 strncpy (from, adrsprintf (NULL, NULL), sizeof(from));
852 strncpy (myhost, LocalName (), sizeof(myhost));
853
854 for (cp = myhost; *cp; cp++)
855 *cp = uptolow (*cp);
856
857 if ((cp = getfullname ()) && *cp) {
858 strncpy (sigbuf, cp, sizeof(sigbuf));
859 snprintf (signature, sizeof(signature), "%s <%s>",
860 sigbuf, adrsprintf (NULL, NULL));
861 if ((cp = getname (signature)) == NULL)
862 adios (NULL, "getname () failed -- you lose extraordinarily big");
863 if ((mp = getm (cp, NULL, 0, AD_HOST, NULL)) == NULL)
864 adios (NULL, "bad signature '%s'", sigbuf);
865 mnfree (mp);
866 while (getname (""))
867 continue;
868 } else {
869 strncpy (signature, adrsprintf (NULL, NULL), sizeof(signature));
870 }
871 }
872
873
874 /*
875 * Now that we've outputted the header fields in the draft
876 * message, we will now output any remaining header fields
877 * that we need to add/create.
878 */
879
880 static void
881 finish_headers (FILE *out)
882 {
883 switch (msgstate) {
884 case NORMAL:
885 if (whomsw && !fill_up)
886 break;
887
888 fprintf (out, "Date: %s\n", dtime (&tclock, 0));
889 if (msgid)
890 fprintf (out, "Message-ID: <%d.%ld@%s>\n",
891 (int) getpid (), (long) tclock, LocalName ());
892 if (msgflags & MFRM) {
893 /* There was already a From: in the draft. Don't add one. */
894 if (!MMailids)
895 /* mts.conf didn't turn on mmailid, so we'll reveal the
896 user's actual account@thismachine address in a Sender:
897 header (and use it as the envelope From: later). */
898 fprintf (out, "Sender: %s\n", from);
899 }
900 else
901 /* Construct a From: header. */
902 fprintf (out, "From: %s\n", signature);
903 if (whomsw)
904 break;
905
906 if (!(msgflags & MVIS))
907 fprintf (out, "Bcc: Blind Distribution List: ;\n");
908 break;
909
910 case RESENT:
911 if (!(msgflags & MDAT)) {
912 advise (NULL, "message has no Date: header");
913 badmsg++;
914 }
915 if (!(msgflags & MFRM)) {
916 advise (NULL, "message has no From: header");
917 badmsg++;
918 }
919 if (whomsw && !fill_up)
920 break;
921
922 #ifdef MMDFI /* sigh */
923 fprintf (out, "Sender: %s\n", from);
924 #endif /* MMDFI */
925
926 fprintf (out, "Resent-Date: %s\n", dtime (&tclock, 0));
927 if (msgid)
928 fprintf (out, "Resent-Message-ID: <%d.%ld@%s>\n",
929 (int) getpid (), (long) tclock, LocalName ());
930 if (msgflags & MRFM) {
931 /* There was already a Resent-From: in draft. Don't add one. */
932 if (!MMailids)
933 /* mts.conf didn't turn on mmailid, so we'll reveal the
934 user's actual account@thismachine address in a
935 Resent-Sender: header (and use it as the envelope From:
936 later). */
937 fprintf (out, "Resent-Sender: %s\n", from);
938 }
939 else
940 /* Construct a Resent-From: header. */
941 fprintf (out, "Resent-From: %s\n", signature);
942 if (whomsw)
943 break;
944 if (!(msgflags & MVIS))
945 fprintf (out, "Resent-Bcc: Blind Re-Distribution List: ;\n");
946 break;
947 }
948
949 if (badmsg)
950 adios (NULL, "re-format message and try again");
951 if (!recipients)
952 adios (NULL, "no addressees");
953 }
954
955
956 static int
957 get_header (char *header, struct headers *table)
958 {
959 struct headers *h;
960
961 for (h = table; h->value; h++)
962 if (!strcasecmp (header, h->value))
963 return (h - table);
964
965 return NOTOK;
966 }
967
968
969 static int
970 putadr (char *name, char *aka, struct mailname *mp, FILE *out, unsigned int flags)
971 {
972 int len;
973 char *cp;
974 char buffer[BUFSIZ];
975
976 if (mp->m_mbox == NULL || ((flags & HTRY) && !insert (mp)))
977 return 0;
978 if ((!fill_in && (flags & (HBCC | HDCC))) || mp->m_ingrp)
979 return 1;
980
981 if (!nameoutput) {
982 fprintf (out, "%s: ", name);
983 linepos += (nameoutput = strlen (name) + 2);
984 }
985
986 if (*aka && mp->m_type != UUCPHOST && !mp->m_pers)
987 mp->m_pers = getcpy (aka);
988 if (format) {
989 if (mp->m_gname && !fill_in) {
990 snprintf (buffer, sizeof(buffer), "%s;", mp->m_gname);
991 cp = buffer;
992 } else {
993 cp = adrformat (mp);
994 }
995 } else {
996 cp = mp->m_text;
997 }
998 len = strlen (cp);
999
1000 if (linepos != nameoutput) {
1001 if (len + linepos + 2 > outputlinelen)
1002 fprintf (out, ",\n%*s", linepos = nameoutput, "");
1003 else {
1004 fputs (", ", out);
1005 linepos += 2;
1006 }
1007 }
1008
1009 fputs (cp, out);
1010 linepos += len;
1011
1012 return (flags & HTRY);
1013 }
1014
1015
1016 static void
1017 putgrp (char *name, char *group, FILE *out, unsigned int flags)
1018 {
1019 int len;
1020 char *cp;
1021
1022 if (!fill_in && (flags & HBCC))
1023 return;
1024
1025 if (!nameoutput) {
1026 fprintf (out, "%s: ", name);
1027 linepos += (nameoutput = strlen (name) + 2);
1028 if (fill_in)
1029 linepos -= strlen (group);
1030 }
1031
1032 cp = fill_in ? group : concat (group, ";", NULL);
1033 len = strlen (cp);
1034
1035 if (linepos > nameoutput) {
1036 if (len + linepos + 2 > outputlinelen) {
1037 fprintf (out, ",\n%*s", nameoutput, "");
1038 linepos = nameoutput;
1039 }
1040 else {
1041 fputs (", ", out);
1042 linepos += 2;
1043 }
1044 }
1045
1046 fputs (cp, out);
1047 linepos += len;
1048 }
1049
1050
1051 static int
1052 insert (struct mailname *np)
1053 {
1054 struct mailname *mp;
1055
1056 if (np->m_mbox == NULL)
1057 return 0;
1058
1059 for (mp = np->m_type == LOCALHOST ? &localaddrs
1060 : np->m_type == UUCPHOST ? &uuaddrs
1061 : &netaddrs;
1062 mp->m_next;
1063 mp = mp->m_next)
1064 if (!strcasecmp (np->m_host, mp->m_next->m_host)
1065 && !strcasecmp (np->m_mbox, mp->m_next->m_mbox)
1066 && np->m_bcc == mp->m_next->m_bcc)
1067 return 0;
1068
1069 mp->m_next = np;
1070 recipients++;
1071 return 1;
1072 }
1073
1074
1075 static void
1076 pl (void)
1077 {
1078 int i;
1079 struct mailname *mp;
1080
1081 printf ("-------\n\t-- Addresses --\nlocal:\t");
1082 for (mp = localaddrs.m_next; mp; mp = mp->m_next)
1083 printf ("%s%s%s", mp->m_mbox,
1084 mp->m_bcc ? "[BCC]" : "",
1085 mp->m_next ? ",\n\t" : "");
1086
1087 printf ("\nnet:\t");
1088 for (mp = netaddrs.m_next; mp; mp = mp->m_next)
1089 printf ("%s%s@%s%s%s", mp->m_path ? mp->m_path : "",
1090 mp->m_mbox, mp->m_host,
1091 mp->m_bcc ? "[BCC]" : "",
1092 mp->m_next ? ",\n\t" : "");
1093
1094 printf ("\nuucp:\t");
1095 for (mp = uuaddrs.m_next; mp; mp = mp->m_next)
1096 printf ("%s!%s%s%s", mp->m_host, mp->m_mbox,
1097 mp->m_bcc ? "[BCC]" : "",
1098 mp->m_next ? ",\n\t" : "");
1099
1100 printf ("\n\t-- Folder Copies --\nfcc:\t");
1101 for (i = 0; i < fccind; i++)
1102 printf ("%s%s", fccfold[i], i + 1 < fccind ? ",\n\t" : "");
1103 printf ("\n");
1104 }
1105
1106
1107 static void
1108 anno (void)
1109 {
1110 struct mailname *mp;
1111
1112 for (mp = localaddrs.m_next; mp; mp = mp->m_next)
1113 if (annoaux (mp) == NOTOK)
1114 goto oops;
1115
1116 for (mp = netaddrs.m_next; mp; mp = mp->m_next)
1117 if (annoaux (mp) == NOTOK)
1118 goto oops;
1119
1120 for (mp = uuaddrs.m_next; mp; mp = mp->m_next)
1121 if (annoaux (mp) == NOTOK)
1122 break;
1123
1124 oops: ;
1125 close (pfd);
1126 pfd = NOTOK;
1127 }
1128
1129
1130 static int
1131 annoaux (struct mailname *mp)
1132 {
1133 int i;
1134 char buffer[BUFSIZ];
1135
1136 snprintf (buffer, sizeof(buffer), "%s\n", adrformat (mp));
1137 i = strlen (buffer);
1138
1139 return (write (pfd, buffer, i) == i ? OK : NOTOK);
1140 }
1141
1142
1143 static void
1144 insert_fcc (struct headers *hdr, char *pp)
1145 {
1146 char *cp;
1147
1148 for (cp = pp; isspace (*cp); cp++)
1149 continue;
1150 for (pp += strlen (pp) - 1; pp > cp && isspace (*pp); pp--)
1151 continue;
1152 if (pp >= cp)
1153 *++pp = 0;
1154 if (*cp == 0)
1155 return;
1156
1157 if (fccind >= FCCS)
1158 adios (NULL, "too many %ss", hdr->value);
1159 fccfold[fccind++] = getcpy (cp);
1160 }
1161
1162 /*
1163 * BCC GENERATION
1164 */
1165
1166 static void
1167 make_bcc_file (int dashstuff)
1168 {
1169 int fd, i;
1170 pid_t child_id;
1171 char *vec[6];
1172 FILE *out;
1173
1174 strncpy (bccfil, m_tmpfil ("bccs"), sizeof(bccfil));
1175 if ((out = fopen (bccfil, "w")) == NULL)
1176 adios (bccfil, "unable to create");
1177 chmod (bccfil, 0600);
1178
1179 fprintf (out, "Date: %s\n", dtime (&tclock, 0));
1180 if (msgid)
1181 fprintf (out, "Message-ID: <%d.%ld@%s>\n",
1182 (int) getpid (), (long) tclock, LocalName ());
1183 fprintf (out, "From: %s\n", signature);
1184 if (subject)
1185 fprintf (out, "Subject: %s", subject);
1186 fprintf (out, "BCC:\n");
1187
1188 /*
1189 * Use MIME encapsulation for Bcc messages
1190 */
1191 if (mime) {
1192 char *cp;
1193
1194 /*
1195 * Check if any lines in the message clash with the
1196 * prefix for the MIME multipart separator. If there
1197 * is a clash, increment one of the letters in the
1198 * prefix and check again.
1199 */
1200 if ((cp = strchr(prefix, 'a')) == NULL)
1201 adios (NULL, "lost prefix start");
1202 while (find_prefix () == NOTOK) {
1203 if (*cp < 'z')
1204 (*cp)++;
1205 else
1206 if (*++cp == 0)
1207 adios (NULL, "can't find a unique delimiter string");
1208 else
1209 (*cp)++;
1210 }
1211
1212 fprintf (out, "%s: %s\n%s: multipart/digest; boundary=\"",
1213 VRSN_FIELD, VRSN_VALUE, TYPE_FIELD);
1214 fprintf (out, "%s\"\n\n--%s\n\n", prefix, prefix);
1215 } else {
1216 fprintf (out, "\n------- Blind-Carbon-Copy\n\n");
1217 }
1218
1219 fflush (out);
1220
1221 /*
1222 * Do mhl filtering of Bcc messages instead
1223 * of MIME encapsulation.
1224 */
1225 if (filter != NULL) {
1226 vec[0] = r1bindex (mhlproc, '/');
1227
1228 for (i = 0; (child_id = fork()) == NOTOK && i < 5; i++)
1229 sleep (5);
1230 switch (child_id) {
1231 case NOTOK:
1232 adios ("fork", "unable to");
1233
1234 case OK:
1235 dup2 (fileno (out), 1);
1236
1237 i = 1;
1238 vec[i++] = "-forward";
1239 vec[i++] = "-form";
1240 vec[i++] = filter;
1241 vec[i++] = tmpfil;
1242
1243 /* was the flag -[no]dashstuffing specified? */
1244 if (dashstuff > 0)
1245 vec[i++] = "-dashstuffing";
1246 else if (dashstuff < 0)
1247 vec[i++] = "-nodashstuffing";
1248 vec[i] = NULL;
1249
1250 execvp (mhlproc, vec);
1251 fprintf (stderr, "unable to exec ");
1252 perror (mhlproc);
1253 _exit (-1);
1254
1255 default:
1256 pidXwait (child_id, mhlproc);
1257 break;
1258 }
1259 } else {
1260 if ((fd = open (tmpfil, O_RDONLY)) == NOTOK)
1261 adios (tmpfil, "unable to re-open");
1262
1263 /*
1264 * If using MIME encapsulation, or if the -nodashstuffing
1265 * flag was given, then just copy message. Else do
1266 * RFC934 quoting (dashstuffing).
1267 */
1268 if (mime || dashstuff < 0)
1269 cpydata (fd, fileno (out), tmpfil, bccfil);
1270 else
1271 cpydgst (fd, fileno (out), tmpfil, bccfil);
1272 close (fd);
1273 }
1274
1275 fseek (out, 0L, SEEK_END);
1276 if (mime)
1277 fprintf (out, "\n--%s--\n", prefix);
1278 else
1279 fprintf (out, "\n------- End of Blind-Carbon-Copy\n");
1280 fclose (out);
1281 }
1282
1283
1284 /*
1285 * Scan message to check if any lines clash with
1286 * the prefix of the MIME multipart separator.
1287 */
1288
1289 static int
1290 find_prefix (void)
1291 {
1292 int len, result;
1293 char buffer[BUFSIZ];
1294 FILE *in;
1295
1296 if ((in = fopen (tmpfil, "r")) == NULL)
1297 adios (tmpfil, "unable to re-open");
1298
1299 len = strlen (prefix);
1300
1301 result = OK;
1302 while (fgets (buffer, sizeof(buffer) - 1, in))
1303 if (buffer[0] == '-' && buffer[1] == '-') {
1304 char *cp;
1305
1306 for (cp = buffer + strlen (buffer) - 1; cp >= buffer; cp--)
1307 if (!isspace (*cp))
1308 break;
1309 *++cp = '\0';
1310 if (strcmp (buffer + 2, prefix) == 0) {
1311 result = NOTOK;
1312 break;
1313 }
1314 }
1315
1316 fclose (in);
1317 return result;
1318 }
1319
1320
1321 #define plural(x) (x == 1 ? "" : "s")
1322
1323 static void
1324 chkadr (void)
1325 {
1326 if (badadr && unkadr)
1327 die (NULL, "%d address%s unparsable, %d addressee%s undeliverable",
1328 badadr, plural (badadr), unkadr, plural (badadr));
1329 if (badadr)
1330 die (NULL, "%d address%s unparsable", badadr, plural (badadr));
1331 if (unkadr)
1332 die (NULL, "%d addressee%s undeliverable", unkadr, plural (unkadr));
1333 }
1334
1335
1336 static void
1337 do_addresses (int bccque, int talk)
1338 {
1339 int retval;
1340 int state;
1341 struct mailname *lp;
1342
1343 state = 0;
1344 for (lp = localaddrs.m_next; lp; lp = lp->m_next)
1345 if (lp->m_bcc ? bccque : !bccque) {
1346 if (talk && !state)
1347 printf (" -- Local Recipients --\n");
1348 do_an_address (lp, talk);
1349 state++;
1350 }
1351
1352 state = 0;
1353 for (lp = uuaddrs.m_next; lp; lp = lp->m_next)
1354 if (lp->m_bcc ? bccque : !bccque) {
1355 if (talk && !state)
1356 printf (" -- UUCP Recipients --\n");
1357 do_an_address (lp, talk);
1358 state++;
1359 }
1360
1361 state = 0;
1362 for (lp = netaddrs.m_next; lp; lp = lp->m_next)
1363 if (lp->m_bcc ? bccque : !bccque) {
1364 if (talk && !state)
1365 printf (" -- Network Recipients --\n");
1366 do_an_address (lp, talk);
1367 state++;
1368 }
1369
1370 chkadr ();
1371
1372 #ifdef MMDFMTS
1373 if (rp_isbad (retval = mm_waend ()))
1374 die (NULL, "problem ending addresses [%s]\n", rp_valstr (retval));
1375 #endif /* MMDFMTS */
1376
1377 #ifdef SENDMTS
1378 if (rp_isbad (retval = sm_waend ()))
1379 die (NULL, "problem ending addresses; %s", rp_string (retval));
1380 #endif /* SENDMTS */
1381 }
1382
1383
1384 /*
1385 * MTS-SPECIFIC INTERACTION
1386 */
1387
1388
1389 /*
1390 * SENDMAIL/SMTP routines
1391 */
1392
1393 #ifdef SENDMTS
1394
1395 static void
1396 post (char *file, int bccque, int talk)
1397 {
1398 int fd, onex;
1399 int retval;
1400
1401 onex = !(msgflags & MINV) || bccque;
1402 if (verbose) {
1403 if (msgflags & MINV)
1404 printf (" -- Posting for %s Recipients --\n",
1405 bccque ? "Blind" : "Sighted");
1406 else
1407 printf (" -- Posting for All Recipients --\n");
1408 }
1409
1410 sigon ();
1411
1412 if (rp_isbad (retval = sm_init (clientsw, serversw, watch, verbose,
1413 snoop, onex, queued))
1414 || rp_isbad (retval = sm_winit (smtpmode, from)))
1415 die (NULL, "problem initializing server; %s", rp_string (retval));
1416
1417 do_addresses (bccque, talk && verbose);
1418 if ((fd = open (file, O_RDONLY)) == NOTOK)
1419 die (file, "unable to re-open");
1420 do_text (file, fd);
1421 close (fd);
1422 fflush (stdout);
1423
1424 sm_end (onex ? OK : DONE);
1425 sigoff ();
1426
1427 if (verbose) {
1428 if (msgflags & MINV)
1429 printf (" -- %s Recipient Copies Posted --\n",
1430 bccque ? "Blind" : "Sighted");
1431 else
1432 printf (" -- Recipient Copies Posted --\n");
1433 }
1434
1435 fflush (stdout);
1436 }
1437
1438
1439 /* Address Verification */
1440
1441 static void
1442 verify_all_addresses (int talk)
1443 {
1444 int retval;
1445 struct mailname *lp;
1446
1447 sigon ();
1448
1449 if (!whomsw || checksw)
1450 if (rp_isbad (retval = sm_init (clientsw, serversw, 0, 0, snoop, 0, 0))
1451 || rp_isbad (retval = sm_winit (smtpmode, from)))
1452 die (NULL, "problem initializing server; %s", rp_string (retval));
1453
1454 if (talk && !whomsw)
1455 printf (" -- Address Verification --\n");
1456 if (talk && localaddrs.m_next)
1457 printf (" -- Local Recipients --\n");
1458 for (lp = localaddrs.m_next; lp; lp = lp->m_next)
1459 do_an_address (lp, talk);
1460
1461 if (talk && uuaddrs.m_next)
1462 printf (" -- UUCP Recipients --\n");
1463 for (lp = uuaddrs.m_next; lp; lp = lp->m_next)
1464 do_an_address (lp, talk);
1465
1466 if (talk && netaddrs.m_next)
1467 printf (" -- Network Recipients --\n");
1468 for (lp = netaddrs.m_next; lp; lp = lp->m_next)
1469 do_an_address (lp, talk);
1470
1471 chkadr ();
1472 if (talk && !whomsw)
1473 printf (" -- Address Verification Successful --\n");
1474
1475 if (!whomsw || checksw)
1476 sm_end (DONE);
1477
1478 fflush (stdout);
1479 sigoff ();
1480 }
1481
1482
1483 static void
1484 do_an_address (struct mailname *lp, int talk)
1485 {
1486 int retval;
1487 char *mbox, *host;
1488 char addr[BUFSIZ];
1489
1490 switch (lp->m_type) {
1491 case LOCALHOST:
1492 mbox = lp->m_mbox;
1493 host = lp->m_host;
1494 strncpy (addr, mbox, sizeof(addr));
1495 break;
1496
1497 case UUCPHOST:
1498 mbox = auxformat (lp, 0);
1499 host = NULL;
1500 snprintf (addr, sizeof(addr), "%s!%s", lp->m_host, lp->m_mbox);
1501 break;
1502
1503 default: /* let SendMail decide if the host is bad */
1504 mbox = lp->m_mbox;
1505 host = lp->m_host;
1506 snprintf (addr, sizeof(addr), "%s at %s", mbox, host);
1507 break;
1508 }
1509
1510 if (talk)
1511 printf (" %s%s", addr, whomsw && lp->m_bcc ? "[BCC]" : "");
1512
1513 if (whomsw && !checksw) {
1514 putchar ('\n');
1515 return;
1516 }
1517 if (talk)
1518 printf (": ");
1519 fflush (stdout);
1520
1521 switch (retval = sm_wadr (mbox, host,
1522 lp->m_type != UUCPHOST ? lp->m_path : NULL)) {
1523 case RP_OK:
1524 if (talk)
1525 printf ("address ok\n");
1526 break;
1527
1528 case RP_NO:
1529 case RP_USER:
1530 if (!talk)
1531 fprintf (stderr, " %s: ", addr);
1532 fprintf (talk ? stdout : stderr, "loses; %s\n",
1533 rp_string (retval));
1534 unkadr++;
1535 break;
1536
1537 default:
1538 if (!talk)
1539 fprintf (stderr, " %s: ", addr);
1540 die (NULL, "unexpected response; %s", rp_string (retval));
1541 }
1542
1543 fflush (stdout);
1544 }
1545
1546
1547 static void
1548 do_text (char *file, int fd)
1549 {
1550 int retval, state;
1551 char buf[BUFSIZ];
1552
1553 lseek (fd, (off_t) 0, SEEK_SET);
1554
1555 while ((state = read (fd, buf, sizeof(buf))) > 0) {
1556 if (rp_isbad (retval = sm_wtxt (buf, state)))
1557 die (NULL, "problem writing text; %s\n", rp_string (retval));
1558 }
1559
1560 if (state == NOTOK)
1561 die (file, "problem reading from");
1562
1563 switch (retval = sm_wtend ()) {
1564 case RP_OK:
1565 break;
1566
1567 case RP_NO:
1568 case RP_NDEL:
1569 die (NULL, "posting failed; %s", rp_string (retval));
1570
1571 default:
1572 die (NULL, "unexpected response; %s", rp_string (retval));
1573 }
1574 }
1575
1576 #endif /* SENDMTS */
1577
1578 /*
1579 * MMDF routines
1580 */
1581
1582 #ifdef MMDFMTS
1583
1584 static void
1585 post (char *file, int bccque, int talk)
1586 {
1587 int fd, onex;
1588 int retval;
1589 #ifdef RP_NS
1590 int len;
1591 struct rp_bufstruct reply;
1592 #endif /* RP_NS */
1593
1594 onex = !(msgflags & MINV) || bccque;
1595 if (verbose) {
1596 if (msgflags & MINV)
1597 printf (" -- Posting for %s Recipients --\n",
1598 bccque ? "Blind" : "Sighted");
1599 else
1600 printf (" -- Posting for All Recipients --\n");
1601 }
1602
1603 sigon ();
1604
1605 if (rp_isbad (retval = mm_init ())
1606 || rp_isbad (retval = mm_sbinit ())
1607 || rp_isbad (retval = mm_winit (NULL, submitopts, from)))
1608 die (NULL, "problem initializing MMDF system [%s]",
1609 rp_valstr (retval));
1610 #ifdef RP_NS
1611 if (rp_isbad (retval = mm_rrply (&reply, &len)))
1612 die (NULL, "problem with sender address [%s]",
1613 rp_valstr (retval));
1614 #endif /* RP_NS */
1615
1616 do_addresses (bccque, talk && verbose);
1617 if ((fd = open (file, O_RDONLY)) == NOTOK)
1618 die (file, "unable to re-open");
1619 do_text (file, fd);
1620 close (fd);
1621 fflush (stdout);
1622
1623 mm_sbend ();
1624 mm_end (OK);
1625 sigoff ();
1626
1627 if (verbose)
1628 if (msgflags & MINV)
1629 printf (" -- %s Recipient Copies Posted --\n",
1630 bccque ? "Blind" : "Sighted");
1631 else
1632 printf (" -- Recipient Copies Posted --\n");
1633 fflush (stdout);
1634 }
1635
1636
1637 /* Address Verification */
1638
1639 static void
1640 verify_all_addresses (int talk)
1641 {
1642 int retval;
1643 struct mailname *lp;
1644
1645 #ifdef RP_NS
1646 int len;
1647 struct rp_bufstruct reply;
1648 #endif /* RP_NS */
1649
1650 sigon ();
1651
1652 if (!whomsw || checksw) {
1653 if (rp_isbad (retval = mm_init ())
1654 || rp_isbad (retval = mm_sbinit ())
1655 || rp_isbad (retval = mm_winit (NULL, submitopts, from)))
1656 die (NULL, "problem initializing MMDF system [%s]",
1657 rp_valstr (retval));
1658 #ifdef RP_NS
1659 if (rp_isbad (retval = mm_rrply (&reply, &len)))
1660 die (NULL, "problem with sender address [%s]", rp_valstr (retval));
1661 #endif /* RP_NS */
1662 }
1663
1664 if (talk && !whomsw)
1665 printf (" -- Address Verification --\n");
1666 if (talk && localaddrs.m_next)
1667 printf (" -- Local Recipients --\n");
1668 for (lp = localaddrs.m_next; lp; lp = lp->m_next)
1669 do_an_address (lp, talk);
1670
1671 if (talk && uuaddrs.m_next)
1672 printf (" -- UUCP Recipients --\n");
1673 for (lp = uuaddrs.m_next; lp; lp = lp->m_next)
1674 do_an_address (lp, talk);
1675
1676 if (talk && netaddrs.m_next)
1677 printf (" -- Network Recipients --\n");
1678 for (lp = netaddrs.m_next; lp; lp = lp->m_next)
1679 do_an_address (lp, talk);
1680
1681 chkadr ();
1682 if (talk && !whomsw)
1683 printf (" -- Address Verification Successful --\n");
1684
1685 if (!whomsw || checksw)
1686 mm_end (NOTOK);
1687
1688 fflush (stdout);
1689 sigoff ();
1690 }
1691
1692
1693 static void
1694 do_an_address (struct mailname *lp, int talk)
1695 {
1696 int len, retval;
1697 char *mbox, *host, *text, *path;
1698 char addr[BUFSIZ];
1699 struct rp_bufstruct reply;
1700
1701 switch (lp->m_type) {
1702 case LOCALHOST:
1703 mbox = lp->m_mbox;
1704 host = LocalName ();
1705 strncpy (addr, mbox, sizeof(addr));
1706 break;
1707
1708 case UUCPHOST:
1709 fprintf (talk ? stdout : stderr, " %s!%s: %s\n",
1710 lp->m_host, lp->m_mbox, "not supported; UUCP address");
1711 unkadr++;
1712 fflush (stdout);
1713 return;
1714
1715 default: /* let MMDF decide if the host is bad */
1716 mbox = lp->m_mbox;
1717 host = lp->m_host;
1718 snprintf (addr, sizeof(addr), "%s at %s", mbox, host);
1719 break;
1720 }
1721
1722 if (talk)
1723 printf (" %s%s", addr, whomsw && lp->m_bcc ? "[BCC]" : "");
1724
1725 if (whomsw && !checksw) {
1726 putchar ('\n');
1727 return;
1728 }
1729 if (talk)
1730 printf (": ");
1731 fflush (stdout);
1732
1733 #ifdef MMDFII
1734 if (lp->m_path)
1735 path = concat (lp->m_path, mbox, "@", host, NULL);
1736 else
1737 #endif /* MMDFII */
1738 path = NULL;
1739 if (rp_isbad (retval = mm_wadr (path ? NULL : host, path ? path : mbox))
1740 || rp_isbad (retval = mm_rrply (&reply, &len)))
1741 die (NULL, "problem submitting address [%s]", rp_valstr (retval));
1742
1743 switch (rp_gval (reply.rp_val)) {
1744 case RP_AOK:
1745 if (talk)
1746 printf ("address ok\n");
1747 fflush (stdout);
1748 return;
1749
1750 #ifdef RP_DOK
1751 case RP_DOK:
1752 if (talk)
1753 printf ("nameserver timeout - queued for checking\n");
1754 fflush (stdout);
1755 return;
1756 #endif /* RP_DOK */
1757
1758 case RP_NO:
1759 text = "you lose";
1760 break;
1761
1762 #ifdef RP_NS
1763 case RP_NS:
1764 text = "temporary nameserver failure";
1765 break;
1766
1767 #endif /* RP_NS */
1768
1769 case RP_USER:
1770 case RP_NDEL:
1771 text = "not deliverable";
1772 break;
1773
1774 case RP_AGN:
1775 text = "try again later";
1776 break;
1777
1778 case RP_NOOP:
1779 text = "nothing done";
1780 break;
1781
1782 default:
1783 if (!talk)
1784 fprintf (stderr, " %s: ", addr);
1785 text = "unexpected response";
1786 die (NULL, "%s;\n [%s] -- %s", text,
1787 rp_valstr (reply.rp_val), reply.rp_line);
1788 }
1789
1790 if (!talk)
1791 fprintf (stderr, " %s: ", addr);
1792 fprintf (talk ? stdout : stderr, "%s;\n %s\n", text, reply.rp_line);
1793 unkadr++;
1794
1795 fflush (stdout);
1796 }
1797
1798
1799 static void
1800 do_text (char *file, int fd)
1801 {
1802 int retval, state;
1803 char buf[BUFSIZ];
1804 struct rp_bufstruct reply;
1805
1806 lseek (fd, (off_t) 0, SEEK_SET);
1807
1808 while ((state = read (fd, buf, sizeof(buf))) > 0) {
1809 if (rp_isbad (mm_wtxt (buf, state)))
1810 die (NULL, "problem writing text [%s]\n", rp_valstr (retval));
1811 }
1812
1813 if (state == NOTOK)
1814 die (file, "problem reading from");
1815
1816 if (rp_isbad (retval = mm_wtend ()))
1817 die (NULL, "problem ending text [%s]\n", rp_valstr (retval));
1818
1819 if (rp_isbad (retval = mm_rrply (&reply, &state)))
1820 die (NULL, "problem getting submission status [%s]\n",
1821 rp_valstr (retval));
1822
1823 switch (rp_gval (reply.rp_val)) {
1824 case RP_OK:
1825 case RP_MOK:
1826 break;
1827
1828 case RP_NO:
1829 die (NULL, "you lose; %s", reply.rp_line);
1830
1831 case RP_NDEL:
1832 die (NULL, "no delivery occurred; %s", reply.rp_line);
1833
1834 case RP_AGN:
1835 die (NULL, "try again later; %s", reply.rp_line);
1836
1837 case RP_NOOP:
1838 die (NULL, "nothing done; %s", reply.rp_line);
1839
1840 default:
1841 die (NULL, "unexpected response;\n\t[%s] -- %s",
1842 rp_valstr (reply.rp_val), reply.rp_line);
1843 }
1844 }
1845
1846 #endif /* MMDFMTS */
1847
1848
1849 /*
1850 * SIGNAL HANDLING
1851 */
1852
1853 static RETSIGTYPE
1854 sigser (int i)
1855 {
1856 #ifndef RELIABLE_SIGNALS
1857 SIGNAL (i, SIG_IGN);
1858 #endif
1859
1860 unlink (tmpfil);
1861 if (msgflags & MINV)
1862 unlink (bccfil);
1863
1864 #ifdef MMDFMTS
1865 if (!whomsw || checksw)
1866 mm_end (NOTOK);
1867 #endif /* MMDFMTS */
1868
1869 #ifdef SENDMTS
1870 if (!whomsw || checksw)
1871 sm_end (NOTOK);
1872 #endif /* SENDMTS */
1873
1874 done (1);
1875 }
1876
1877
1878 static void
1879 sigon (void)
1880 {
1881 if (debug)
1882 return;
1883
1884 hstat = SIGNAL2 (SIGHUP, sigser);
1885 istat = SIGNAL2 (SIGINT, sigser);
1886 qstat = SIGNAL2 (SIGQUIT, sigser);
1887 tstat = SIGNAL2 (SIGTERM, sigser);
1888 }
1889
1890
1891 static void
1892 sigoff (void)
1893 {
1894 if (debug)
1895 return;
1896
1897 SIGNAL (SIGHUP, hstat);
1898 SIGNAL (SIGINT, istat);
1899 SIGNAL (SIGQUIT, qstat);
1900 SIGNAL (SIGTERM, tstat);
1901 }
1902
1903 /*
1904 * FCC INTERACTION
1905 */
1906
1907 static void
1908 p_refile (char *file)
1909 {
1910 int i;
1911
1912 if (fccind == 0)
1913 return;
1914
1915 if (verbose)
1916 printf (" -- Filing Folder Copies --\n");
1917 for (i = 0; i < fccind; i++)
1918 fcc (file, fccfold[i]);
1919 if (verbose)
1920 printf (" -- Folder Copies Filed --\n");
1921 }
1922
1923
1924 /*
1925 * Call the `fileproc' to add the file to the folder.
1926 */
1927
1928 static void
1929 fcc (char *file, char *folder)
1930 {
1931 pid_t child_id;
1932 int i, status;
1933 char fold[BUFSIZ];
1934
1935 if (verbose)
1936 printf (" %sFcc %s: ", msgstate == RESENT ? "Resent-" : "", folder);
1937 fflush (stdout);
1938
1939 for (i = 0; (child_id = fork ()) == NOTOK && i < 5; i++)
1940 sleep (5);
1941
1942 switch (child_id) {
1943 case NOTOK:
1944 if (!verbose)
1945 fprintf (stderr, " %sFcc %s: ",
1946 msgstate == RESENT ? "Resent-" : "", folder);
1947 fprintf (verbose ? stdout : stderr, "no forks, so not ok\n");
1948 break;
1949
1950 case OK:
1951 /* see if we need to add `+' */
1952 snprintf (fold, sizeof(fold), "%s%s",
1953 *folder == '+' || *folder == '@' ? "" : "+", folder);
1954
1955 /* now exec the fileproc */
1956 execlp (fileproc, r1bindex (fileproc, '/'),
1957 "-link", "-file", file, fold, NULL);
1958 _exit (-1);
1959
1960 default:
1961 if ((status = pidwait (child_id, OK))) {
1962 if (!verbose)
1963 fprintf (stderr, " %sFcc %s: ",
1964 msgstate == RESENT ? "Resent-" : "", folder);
1965 pidstatus (status, verbose ? stdout : stderr, NULL);
1966 } else {
1967 if (verbose)
1968 printf ("folder ok\n");
1969 }
1970 }
1971
1972 fflush (stdout);
1973 }
1974
1975 /*
1976 * TERMINATION
1977 */
1978
1979 static void
1980 die (char *what, char *fmt, ...)
1981 {
1982 va_list ap;
1983
1984 unlink (tmpfil);
1985 if (msgflags & MINV)
1986 unlink (bccfil);
1987
1988 #ifdef MMDFMTS
1989 if (!whomsw || checksw)
1990 mm_end (NOTOK);
1991 #endif /* MMDFMTS */
1992
1993 #ifdef SENDMTS
1994 if (!whomsw || checksw)
1995 sm_end (NOTOK);
1996 #endif /* SENDMTS */
1997
1998 va_start(ap, fmt);
1999 advertise (what, NULL, fmt, ap);
2000 va_end(ap);
2001 done (1);
2002 }
2003
2004
2005 #ifdef MMDFMTS
2006 /*
2007 * err_abrt() is used by the mm_ routines
2008 * do not, under *ANY* circumstances, remove it from post,
2009 * or you will lose *BIG*
2010 */
2011
2012 void
2013 err_abrt (int code, char *fmt, ...)
2014 {
2015 char buffer[BUFSIZ];
2016 va_list ap;
2017
2018 snprintf (buffer, sizeof(buffer), "[%s]", rp_valstr (code));
2019
2020 va_start(ap, fmt);
2021 advertise (buffer, NULL, fmt, ap);
2022 va_end(ap);
2023
2024 done (1);
2025 }
2026 #endif /* MMDFMTS */
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