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Just reworded the bit about '%s' being safe not to quote (it's only safe not to
[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 <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 boolean draft_from_masquerading; /* defined in mts.c */
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 (draft_from_masquerading && ((msgstate == RESENT)
772 ? (hdr->set & MRFM)
773 : (hdr->set & MFRM)))
774 /* The user manually specified a [Resent-]From: address in
775 their draft and the "masquerade:" line in mts.conf
776 doesn't contain "draft_from", so we'll set things up to
777 use the actual email address embedded in the draft
778 [Resent-]From: (after alias substitution, and without the
779 GECOS full name or angle brackets) as the envelope
780 From:. */
781 strncpy(from, auxformat(mp, 0), sizeof(from) - 1);
782
783 if (hdr->flags & HBCC)
784 mp->m_bcc++;
785 if (np->m_ingrp)
786 mp->m_ingrp = np->m_ingrp;
787 else
788 if (mp->m_gname)
789 putgrp (namep, mp->m_gname, out, hdr->flags);
790 if (mp->m_ingrp)
791 grp++;
792 if (putadr (namep, qp, mp, out, hdr->flags))
793 msgflags |= (hdr->set & (MVIS | MINV));
794 else
795 mnfree (mp);
796 }
797 mp = np;
798 np = np->m_next;
799 mnfree (mp);
800 }
801 else {
802 /* Address includes a host, so no alias substitution is needed. */
803 if (draft_from_masquerading && ((msgstate == RESENT)
804 ? (hdr->set & MRFM)
805 : (hdr->set & MFRM)))
806 /* The user manually specified a [Resent-]From: address in
807 their draft and the "masquerade:" line in mts.conf
808 doesn't contain "draft_from", so we'll set things up to
809 use the actual email address embedded in the draft
810 [Resent-]From: (after alias substitution, and without the
811 GECOS full name or angle brackets) as the envelope
812 From:. */
813 strncpy(from, auxformat(mp, 0), sizeof(from) - 1);
814
815 if (hdr->flags & HBCC)
816 mp->m_bcc++;
817 if (mp->m_gname)
818 putgrp (namep, mp->m_gname, out, hdr->flags);
819 if (mp->m_ingrp)
820 grp++;
821 keep = putadr (namep, "", mp, out, hdr->flags);
822 np = mp->m_next;
823 if (keep) {
824 mp->m_next = NULL;
825 msgflags |= (hdr->set & (MVIS | MINV));
826 }
827 else
828 mnfree (mp);
829 }
830
831 if (grp > 0 && (hdr->flags & HNGR)) {
832 advise (NULL, "%s: field does not allow groups", name);
833 badmsg++;
834 }
835 if (linepos) {
836 if (fill_in && grp > 0)
837 putc (';', out);
838 putc ('\n', out);
839 }
840 }
841
842
843 static void
844 start_headers (void)
845 {
846 char *cp;
847 char myhost[BUFSIZ], sigbuf[BUFSIZ];
848 struct mailname *mp;
849
850 myuid = getuid ();
851 mygid = getgid ();
852 time (&tclock);
853
854 strncpy (from, adrsprintf (NULL, NULL), sizeof(from));
855 strncpy (myhost, LocalName (), sizeof(myhost));
856
857 for (cp = myhost; *cp; cp++)
858 *cp = uptolow (*cp);
859
860 if ((cp = getfullname ()) && *cp) {
861 strncpy (sigbuf, cp, sizeof(sigbuf));
862 snprintf (signature, sizeof(signature), "%s <%s>",
863 sigbuf, adrsprintf (NULL, NULL));
864 if ((cp = getname (signature)) == NULL)
865 adios (NULL, "getname () failed -- you lose extraordinarily big");
866 if ((mp = getm (cp, NULL, 0, AD_HOST, NULL)) == NULL)
867 adios (NULL, "bad signature '%s'", sigbuf);
868 mnfree (mp);
869 while (getname (""))
870 continue;
871 } else {
872 strncpy (signature, adrsprintf (NULL, NULL), sizeof(signature));
873 }
874 }
875
876
877 /*
878 * Now that we've outputted the header fields in the draft
879 * message, we will now output any remaining header fields
880 * that we need to add/create.
881 */
882
883 static void
884 finish_headers (FILE *out)
885 {
886 switch (msgstate) {
887 case NORMAL:
888 if (whomsw && !fill_up)
889 break;
890
891 fprintf (out, "Date: %s\n", dtime (&tclock, 0));
892 if (msgid)
893 fprintf (out, "Message-ID: <%d.%ld@%s>\n",
894 (int) getpid (), (long) tclock, LocalName ());
895 if (msgflags & MFRM) {
896 /* There was already a From: in the draft. Don't add one. */
897 if (!draft_from_masquerading)
898 /* mts.conf didn't contain "masquerade:[...]draft_from[...]"
899 so we'll reveal the user's actual account@thismachine
900 address in a Sender: header (and use it as the envelope
901 From: later). */
902 fprintf (out, "Sender: %s\n", from);
903 }
904 else
905 /* Construct a From: header. */
906 fprintf (out, "From: %s\n", signature);
907 if (whomsw)
908 break;
909
910 if (!(msgflags & MVIS))
911 fprintf (out, "Bcc: Blind Distribution List: ;\n");
912 break;
913
914 case RESENT:
915 if (!(msgflags & MDAT)) {
916 advise (NULL, "message has no Date: header");
917 badmsg++;
918 }
919 if (!(msgflags & MFRM)) {
920 advise (NULL, "message has no From: header");
921 badmsg++;
922 }
923 if (whomsw && !fill_up)
924 break;
925
926 #ifdef MMDFI /* sigh */
927 fprintf (out, "Sender: %s\n", from);
928 #endif /* MMDFI */
929
930 fprintf (out, "Resent-Date: %s\n", dtime (&tclock, 0));
931 if (msgid)
932 fprintf (out, "Resent-Message-ID: <%d.%ld@%s>\n",
933 (int) getpid (), (long) tclock, LocalName ());
934 if (msgflags & MRFM) {
935 /* There was already a Resent-From: in draft. Don't add one. */
936 if (!draft_from_masquerading)
937 /* mts.conf didn't contain "masquerade:[...]draft_from[...]"
938 so we'll reveal the user's actual account@thismachine
939 address in a Sender: header (and use it as the envelope
940 From: later). */
941 fprintf (out, "Resent-Sender: %s\n", from);
942 }
943 else
944 /* Construct a Resent-From: header. */
945 fprintf (out, "Resent-From: %s\n", signature);
946 if (whomsw)
947 break;
948 if (!(msgflags & MVIS))
949 fprintf (out, "Resent-Bcc: Blind Re-Distribution List: ;\n");
950 break;
951 }
952
953 if (badmsg)
954 adios (NULL, "re-format message and try again");
955 if (!recipients)
956 adios (NULL, "no addressees");
957 }
958
959
960 static int
961 get_header (char *header, struct headers *table)
962 {
963 struct headers *h;
964
965 for (h = table; h->value; h++)
966 if (!strcasecmp (header, h->value))
967 return (h - table);
968
969 return NOTOK;
970 }
971
972
973 static int
974 putadr (char *name, char *aka, struct mailname *mp, FILE *out, unsigned int flags)
975 {
976 int len;
977 char *cp;
978 char buffer[BUFSIZ];
979
980 if (mp->m_mbox == NULL || ((flags & HTRY) && !insert (mp)))
981 return 0;
982 if ((!fill_in && (flags & (HBCC | HDCC))) || mp->m_ingrp)
983 return 1;
984
985 if (!nameoutput) {
986 fprintf (out, "%s: ", name);
987 linepos += (nameoutput = strlen (name) + 2);
988 }
989
990 if (*aka && mp->m_type != UUCPHOST && !mp->m_pers)
991 mp->m_pers = getcpy (aka);
992 if (format) {
993 if (mp->m_gname && !fill_in) {
994 snprintf (buffer, sizeof(buffer), "%s;", mp->m_gname);
995 cp = buffer;
996 } else {
997 cp = adrformat (mp);
998 }
999 } else {
1000 cp = mp->m_text;
1001 }
1002 len = strlen (cp);
1003
1004 if (linepos != nameoutput) {
1005 if (len + linepos + 2 > outputlinelen)
1006 fprintf (out, ",\n%*s", linepos = nameoutput, "");
1007 else {
1008 fputs (", ", out);
1009 linepos += 2;
1010 }
1011 }
1012
1013 fputs (cp, out);
1014 linepos += len;
1015
1016 return (flags & HTRY);
1017 }
1018
1019
1020 static void
1021 putgrp (char *name, char *group, FILE *out, unsigned int flags)
1022 {
1023 int len;
1024 char *cp;
1025
1026 if (!fill_in && (flags & HBCC))
1027 return;
1028
1029 if (!nameoutput) {
1030 fprintf (out, "%s: ", name);
1031 linepos += (nameoutput = strlen (name) + 2);
1032 if (fill_in)
1033 linepos -= strlen (group);
1034 }
1035
1036 cp = fill_in ? group : concat (group, ";", NULL);
1037 len = strlen (cp);
1038
1039 if (linepos > nameoutput) {
1040 if (len + linepos + 2 > outputlinelen) {
1041 fprintf (out, ",\n%*s", nameoutput, "");
1042 linepos = nameoutput;
1043 }
1044 else {
1045 fputs (", ", out);
1046 linepos += 2;
1047 }
1048 }
1049
1050 fputs (cp, out);
1051 linepos += len;
1052 }
1053
1054
1055 static int
1056 insert (struct mailname *np)
1057 {
1058 struct mailname *mp;
1059
1060 if (np->m_mbox == NULL)
1061 return 0;
1062
1063 for (mp = np->m_type == LOCALHOST ? &localaddrs
1064 : np->m_type == UUCPHOST ? &uuaddrs
1065 : &netaddrs;
1066 mp->m_next;
1067 mp = mp->m_next)
1068 if (!strcasecmp (np->m_host, mp->m_next->m_host)
1069 && !strcasecmp (np->m_mbox, mp->m_next->m_mbox)
1070 && np->m_bcc == mp->m_next->m_bcc)
1071 return 0;
1072
1073 mp->m_next = np;
1074 recipients++;
1075 return 1;
1076 }
1077
1078
1079 static void
1080 pl (void)
1081 {
1082 int i;
1083 struct mailname *mp;
1084
1085 printf ("-------\n\t-- Addresses --\nlocal:\t");
1086 for (mp = localaddrs.m_next; mp; mp = mp->m_next)
1087 printf ("%s%s%s", mp->m_mbox,
1088 mp->m_bcc ? "[BCC]" : "",
1089 mp->m_next ? ",\n\t" : "");
1090
1091 printf ("\nnet:\t");
1092 for (mp = netaddrs.m_next; mp; mp = mp->m_next)
1093 printf ("%s%s@%s%s%s", mp->m_path ? mp->m_path : "",
1094 mp->m_mbox, mp->m_host,
1095 mp->m_bcc ? "[BCC]" : "",
1096 mp->m_next ? ",\n\t" : "");
1097
1098 printf ("\nuucp:\t");
1099 for (mp = uuaddrs.m_next; mp; mp = mp->m_next)
1100 printf ("%s!%s%s%s", mp->m_host, mp->m_mbox,
1101 mp->m_bcc ? "[BCC]" : "",
1102 mp->m_next ? ",\n\t" : "");
1103
1104 printf ("\n\t-- Folder Copies --\nfcc:\t");
1105 for (i = 0; i < fccind; i++)
1106 printf ("%s%s", fccfold[i], i + 1 < fccind ? ",\n\t" : "");
1107 printf ("\n");
1108 }
1109
1110
1111 static void
1112 anno (void)
1113 {
1114 struct mailname *mp;
1115
1116 for (mp = localaddrs.m_next; mp; mp = mp->m_next)
1117 if (annoaux (mp) == NOTOK)
1118 goto oops;
1119
1120 for (mp = netaddrs.m_next; mp; mp = mp->m_next)
1121 if (annoaux (mp) == NOTOK)
1122 goto oops;
1123
1124 for (mp = uuaddrs.m_next; mp; mp = mp->m_next)
1125 if (annoaux (mp) == NOTOK)
1126 break;
1127
1128 oops: ;
1129 close (pfd);
1130 pfd = NOTOK;
1131 }
1132
1133
1134 static int
1135 annoaux (struct mailname *mp)
1136 {
1137 int i;
1138 char buffer[BUFSIZ];
1139
1140 snprintf (buffer, sizeof(buffer), "%s\n", adrformat (mp));
1141 i = strlen (buffer);
1142
1143 return (write (pfd, buffer, i) == i ? OK : NOTOK);
1144 }
1145
1146
1147 static void
1148 insert_fcc (struct headers *hdr, char *pp)
1149 {
1150 char *cp;
1151
1152 for (cp = pp; isspace (*cp); cp++)
1153 continue;
1154 for (pp += strlen (pp) - 1; pp > cp && isspace (*pp); pp--)
1155 continue;
1156 if (pp >= cp)
1157 *++pp = 0;
1158 if (*cp == 0)
1159 return;
1160
1161 if (fccind >= FCCS)
1162 adios (NULL, "too many %ss", hdr->value);
1163 fccfold[fccind++] = getcpy (cp);
1164 }
1165
1166 /*
1167 * BCC GENERATION
1168 */
1169
1170 static void
1171 make_bcc_file (int dashstuff)
1172 {
1173 int fd, i;
1174 pid_t child_id;
1175 char *vec[6];
1176 FILE *out;
1177
1178 strncpy (bccfil, m_tmpfil ("bccs"), sizeof(bccfil));
1179 if ((out = fopen (bccfil, "w")) == NULL)
1180 adios (bccfil, "unable to create");
1181 chmod (bccfil, 0600);
1182
1183 fprintf (out, "Date: %s\n", dtime (&tclock, 0));
1184 if (msgid)
1185 fprintf (out, "Message-ID: <%d.%ld@%s>\n",
1186 (int) getpid (), (long) tclock, LocalName ());
1187 fprintf (out, "From: %s\n", signature);
1188 if (subject)
1189 fprintf (out, "Subject: %s", subject);
1190 fprintf (out, "BCC:\n");
1191
1192 /*
1193 * Use MIME encapsulation for Bcc messages
1194 */
1195 if (mime) {
1196 char *cp;
1197
1198 /*
1199 * Check if any lines in the message clash with the
1200 * prefix for the MIME multipart separator. If there
1201 * is a clash, increment one of the letters in the
1202 * prefix and check again.
1203 */
1204 if ((cp = strchr(prefix, 'a')) == NULL)
1205 adios (NULL, "lost prefix start");
1206 while (find_prefix () == NOTOK) {
1207 if (*cp < 'z')
1208 (*cp)++;
1209 else
1210 if (*++cp == 0)
1211 adios (NULL, "can't find a unique delimiter string");
1212 else
1213 (*cp)++;
1214 }
1215
1216 fprintf (out, "%s: %s\n%s: multipart/digest; boundary=\"",
1217 VRSN_FIELD, VRSN_VALUE, TYPE_FIELD);
1218 fprintf (out, "%s\"\n\n--%s\n\n", prefix, prefix);
1219 } else {
1220 fprintf (out, "\n------- Blind-Carbon-Copy\n\n");
1221 }
1222
1223 fflush (out);
1224
1225 /*
1226 * Do mhl filtering of Bcc messages instead
1227 * of MIME encapsulation.
1228 */
1229 if (filter != NULL) {
1230 vec[0] = r1bindex (mhlproc, '/');
1231
1232 for (i = 0; (child_id = fork()) == NOTOK && i < 5; i++)
1233 sleep (5);
1234 switch (child_id) {
1235 case NOTOK:
1236 adios ("fork", "unable to");
1237
1238 case OK:
1239 dup2 (fileno (out), 1);
1240
1241 i = 1;
1242 vec[i++] = "-forward";
1243 vec[i++] = "-form";
1244 vec[i++] = filter;
1245 vec[i++] = tmpfil;
1246
1247 /* was the flag -[no]dashstuffing specified? */
1248 if (dashstuff > 0)
1249 vec[i++] = "-dashstuffing";
1250 else if (dashstuff < 0)
1251 vec[i++] = "-nodashstuffing";
1252 vec[i] = NULL;
1253
1254 execvp (mhlproc, vec);
1255 fprintf (stderr, "unable to exec ");
1256 perror (mhlproc);
1257 _exit (-1);
1258
1259 default:
1260 pidXwait (child_id, mhlproc);
1261 break;
1262 }
1263 } else {
1264 if ((fd = open (tmpfil, O_RDONLY)) == NOTOK)
1265 adios (tmpfil, "unable to re-open");
1266
1267 /*
1268 * If using MIME encapsulation, or if the -nodashstuffing
1269 * flag was given, then just copy message. Else do
1270 * RFC934 quoting (dashstuffing).
1271 */
1272 if (mime || dashstuff < 0)
1273 cpydata (fd, fileno (out), tmpfil, bccfil);
1274 else
1275 cpydgst (fd, fileno (out), tmpfil, bccfil);
1276 close (fd);
1277 }
1278
1279 fseek (out, 0L, SEEK_END);
1280 if (mime)
1281 fprintf (out, "\n--%s--\n", prefix);
1282 else
1283 fprintf (out, "\n------- End of Blind-Carbon-Copy\n");
1284 fclose (out);
1285 }
1286
1287
1288 /*
1289 * Scan message to check if any lines clash with
1290 * the prefix of the MIME multipart separator.
1291 */
1292
1293 static int
1294 find_prefix (void)
1295 {
1296 int len, result;
1297 char buffer[BUFSIZ];
1298 FILE *in;
1299
1300 if ((in = fopen (tmpfil, "r")) == NULL)
1301 adios (tmpfil, "unable to re-open");
1302
1303 len = strlen (prefix);
1304
1305 result = OK;
1306 while (fgets (buffer, sizeof(buffer) - 1, in))
1307 if (buffer[0] == '-' && buffer[1] == '-') {
1308 char *cp;
1309
1310 for (cp = buffer + strlen (buffer) - 1; cp >= buffer; cp--)
1311 if (!isspace (*cp))
1312 break;
1313 *++cp = '\0';
1314 if (strcmp (buffer + 2, prefix) == 0) {
1315 result = NOTOK;
1316 break;
1317 }
1318 }
1319
1320 fclose (in);
1321 return result;
1322 }
1323
1324
1325 #define plural(x) (x == 1 ? "" : "s")
1326
1327 static void
1328 chkadr (void)
1329 {
1330 if (badadr && unkadr)
1331 die (NULL, "%d address%s unparsable, %d addressee%s undeliverable",
1332 badadr, plural (badadr), unkadr, plural (badadr));
1333 if (badadr)
1334 die (NULL, "%d address%s unparsable", badadr, plural (badadr));
1335 if (unkadr)
1336 die (NULL, "%d addressee%s undeliverable", unkadr, plural (unkadr));
1337 }
1338
1339
1340 static void
1341 do_addresses (int bccque, int talk)
1342 {
1343 int retval;
1344 int state;
1345 struct mailname *lp;
1346
1347 state = 0;
1348 for (lp = localaddrs.m_next; lp; lp = lp->m_next)
1349 if (lp->m_bcc ? bccque : !bccque) {
1350 if (talk && !state)
1351 printf (" -- Local Recipients --\n");
1352 do_an_address (lp, talk);
1353 state++;
1354 }
1355
1356 state = 0;
1357 for (lp = uuaddrs.m_next; lp; lp = lp->m_next)
1358 if (lp->m_bcc ? bccque : !bccque) {
1359 if (talk && !state)
1360 printf (" -- UUCP Recipients --\n");
1361 do_an_address (lp, talk);
1362 state++;
1363 }
1364
1365 state = 0;
1366 for (lp = netaddrs.m_next; lp; lp = lp->m_next)
1367 if (lp->m_bcc ? bccque : !bccque) {
1368 if (talk && !state)
1369 printf (" -- Network Recipients --\n");
1370 do_an_address (lp, talk);
1371 state++;
1372 }
1373
1374 chkadr ();
1375
1376 #ifdef MMDFMTS
1377 if (rp_isbad (retval = mm_waend ()))
1378 die (NULL, "problem ending addresses [%s]\n", rp_valstr (retval));
1379 #endif /* MMDFMTS */
1380
1381 #ifdef SENDMTS
1382 if (rp_isbad (retval = sm_waend ()))
1383 die (NULL, "problem ending addresses; %s", rp_string (retval));
1384 #endif /* SENDMTS */
1385 }
1386
1387
1388 /*
1389 * MTS-SPECIFIC INTERACTION
1390 */
1391
1392
1393 /*
1394 * SENDMAIL/SMTP routines
1395 */
1396
1397 #ifdef SENDMTS
1398
1399 static void
1400 post (char *file, int bccque, int talk)
1401 {
1402 int fd, onex;
1403 int retval;
1404
1405 onex = !(msgflags & MINV) || bccque;
1406 if (verbose) {
1407 if (msgflags & MINV)
1408 printf (" -- Posting for %s Recipients --\n",
1409 bccque ? "Blind" : "Sighted");
1410 else
1411 printf (" -- Posting for All Recipients --\n");
1412 }
1413
1414 sigon ();
1415
1416 if (rp_isbad (retval = sm_init (clientsw, serversw, watch, verbose,
1417 snoop, onex, queued))
1418 || rp_isbad (retval = sm_winit (smtpmode, from)))
1419 die (NULL, "problem initializing server; %s", rp_string (retval));
1420
1421 do_addresses (bccque, talk && verbose);
1422 if ((fd = open (file, O_RDONLY)) == NOTOK)
1423 die (file, "unable to re-open");
1424 do_text (file, fd);
1425 close (fd);
1426 fflush (stdout);
1427
1428 sm_end (onex ? OK : DONE);
1429 sigoff ();
1430
1431 if (verbose) {
1432 if (msgflags & MINV)
1433 printf (" -- %s Recipient Copies Posted --\n",
1434 bccque ? "Blind" : "Sighted");
1435 else
1436 printf (" -- Recipient Copies Posted --\n");
1437 }
1438
1439 fflush (stdout);
1440 }
1441
1442
1443 /* Address Verification */
1444
1445 static void
1446 verify_all_addresses (int talk)
1447 {
1448 int retval;
1449 struct mailname *lp;
1450
1451 sigon ();
1452
1453 if (!whomsw || checksw)
1454 if (rp_isbad (retval = sm_init (clientsw, serversw, 0, 0, snoop, 0, 0))
1455 || rp_isbad (retval = sm_winit (smtpmode, from)))
1456 die (NULL, "problem initializing server; %s", rp_string (retval));
1457
1458 if (talk && !whomsw)
1459 printf (" -- Address Verification --\n");
1460 if (talk && localaddrs.m_next)
1461 printf (" -- Local Recipients --\n");
1462 for (lp = localaddrs.m_next; lp; lp = lp->m_next)
1463 do_an_address (lp, talk);
1464
1465 if (talk && uuaddrs.m_next)
1466 printf (" -- UUCP Recipients --\n");
1467 for (lp = uuaddrs.m_next; lp; lp = lp->m_next)
1468 do_an_address (lp, talk);
1469
1470 if (talk && netaddrs.m_next)
1471 printf (" -- Network Recipients --\n");
1472 for (lp = netaddrs.m_next; lp; lp = lp->m_next)
1473 do_an_address (lp, talk);
1474
1475 chkadr ();
1476 if (talk && !whomsw)
1477 printf (" -- Address Verification Successful --\n");
1478
1479 if (!whomsw || checksw)
1480 sm_end (DONE);
1481
1482 fflush (stdout);
1483 sigoff ();
1484 }
1485
1486
1487 static void
1488 do_an_address (struct mailname *lp, int talk)
1489 {
1490 int retval;
1491 char *mbox, *host;
1492 char addr[BUFSIZ];
1493
1494 switch (lp->m_type) {
1495 case LOCALHOST:
1496 mbox = lp->m_mbox;
1497 host = lp->m_host;
1498 strncpy (addr, mbox, sizeof(addr));
1499 break;
1500
1501 case UUCPHOST:
1502 mbox = auxformat (lp, 0);
1503 host = NULL;
1504 snprintf (addr, sizeof(addr), "%s!%s", lp->m_host, lp->m_mbox);
1505 break;
1506
1507 default: /* let SendMail decide if the host is bad */
1508 mbox = lp->m_mbox;
1509 host = lp->m_host;
1510 snprintf (addr, sizeof(addr), "%s at %s", mbox, host);
1511 break;
1512 }
1513
1514 if (talk)
1515 printf (" %s%s", addr, whomsw && lp->m_bcc ? "[BCC]" : "");
1516
1517 if (whomsw && !checksw) {
1518 putchar ('\n');
1519 return;
1520 }
1521 if (talk)
1522 printf (": ");
1523 fflush (stdout);
1524
1525 switch (retval = sm_wadr (mbox, host,
1526 lp->m_type != UUCPHOST ? lp->m_path : NULL)) {
1527 case RP_OK:
1528 if (talk)
1529 printf ("address ok\n");
1530 break;
1531
1532 case RP_NO:
1533 case RP_USER:
1534 if (!talk)
1535 fprintf (stderr, " %s: ", addr);
1536 fprintf (talk ? stdout : stderr, "loses; %s\n",
1537 rp_string (retval));
1538 unkadr++;
1539 break;
1540
1541 default:
1542 if (!talk)
1543 fprintf (stderr, " %s: ", addr);
1544 die (NULL, "unexpected response; %s", rp_string (retval));
1545 }
1546
1547 fflush (stdout);
1548 }
1549
1550
1551 static void
1552 do_text (char *file, int fd)
1553 {
1554 int retval, state;
1555 char buf[BUFSIZ];
1556
1557 lseek (fd, (off_t) 0, SEEK_SET);
1558
1559 while ((state = read (fd, buf, sizeof(buf))) > 0) {
1560 if (rp_isbad (retval = sm_wtxt (buf, state)))
1561 die (NULL, "problem writing text; %s\n", rp_string (retval));
1562 }
1563
1564 if (state == NOTOK)
1565 die (file, "problem reading from");
1566
1567 switch (retval = sm_wtend ()) {
1568 case RP_OK:
1569 break;
1570
1571 case RP_NO:
1572 case RP_NDEL:
1573 die (NULL, "posting failed; %s", rp_string (retval));
1574
1575 default:
1576 die (NULL, "unexpected response; %s", rp_string (retval));
1577 }
1578 }
1579
1580 #endif /* SENDMTS */
1581
1582 /*
1583 * MMDF routines
1584 */
1585
1586 #ifdef MMDFMTS
1587
1588 static void
1589 post (char *file, int bccque, int talk)
1590 {
1591 int fd, onex;
1592 int retval;
1593 #ifdef RP_NS
1594 int len;
1595 struct rp_bufstruct reply;
1596 #endif /* RP_NS */
1597
1598 onex = !(msgflags & MINV) || bccque;
1599 if (verbose) {
1600 if (msgflags & MINV)
1601 printf (" -- Posting for %s Recipients --\n",
1602 bccque ? "Blind" : "Sighted");
1603 else
1604 printf (" -- Posting for All Recipients --\n");
1605 }
1606
1607 sigon ();
1608
1609 if (rp_isbad (retval = mm_init ())
1610 || rp_isbad (retval = mm_sbinit ())
1611 || rp_isbad (retval = mm_winit (NULL, submitopts, from)))
1612 die (NULL, "problem initializing MMDF system [%s]",
1613 rp_valstr (retval));
1614 #ifdef RP_NS
1615 if (rp_isbad (retval = mm_rrply (&reply, &len)))
1616 die (NULL, "problem with sender address [%s]",
1617 rp_valstr (retval));
1618 #endif /* RP_NS */
1619
1620 do_addresses (bccque, talk && verbose);
1621 if ((fd = open (file, O_RDONLY)) == NOTOK)
1622 die (file, "unable to re-open");
1623 do_text (file, fd);
1624 close (fd);
1625 fflush (stdout);
1626
1627 mm_sbend ();
1628 mm_end (OK);
1629 sigoff ();
1630
1631 if (verbose)
1632 if (msgflags & MINV)
1633 printf (" -- %s Recipient Copies Posted --\n",
1634 bccque ? "Blind" : "Sighted");
1635 else
1636 printf (" -- Recipient Copies Posted --\n");
1637 fflush (stdout);
1638 }
1639
1640
1641 /* Address Verification */
1642
1643 static void
1644 verify_all_addresses (int talk)
1645 {
1646 int retval;
1647 struct mailname *lp;
1648
1649 #ifdef RP_NS
1650 int len;
1651 struct rp_bufstruct reply;
1652 #endif /* RP_NS */
1653
1654 sigon ();
1655
1656 if (!whomsw || checksw) {
1657 if (rp_isbad (retval = mm_init ())
1658 || rp_isbad (retval = mm_sbinit ())
1659 || rp_isbad (retval = mm_winit (NULL, submitopts, from)))
1660 die (NULL, "problem initializing MMDF system [%s]",
1661 rp_valstr (retval));
1662 #ifdef RP_NS
1663 if (rp_isbad (retval = mm_rrply (&reply, &len)))
1664 die (NULL, "problem with sender address [%s]", rp_valstr (retval));
1665 #endif /* RP_NS */
1666 }
1667
1668 if (talk && !whomsw)
1669 printf (" -- Address Verification --\n");
1670 if (talk && localaddrs.m_next)
1671 printf (" -- Local Recipients --\n");
1672 for (lp = localaddrs.m_next; lp; lp = lp->m_next)
1673 do_an_address (lp, talk);
1674
1675 if (talk && uuaddrs.m_next)
1676 printf (" -- UUCP Recipients --\n");
1677 for (lp = uuaddrs.m_next; lp; lp = lp->m_next)
1678 do_an_address (lp, talk);
1679
1680 if (talk && netaddrs.m_next)
1681 printf (" -- Network Recipients --\n");
1682 for (lp = netaddrs.m_next; lp; lp = lp->m_next)
1683 do_an_address (lp, talk);
1684
1685 chkadr ();
1686 if (talk && !whomsw)
1687 printf (" -- Address Verification Successful --\n");
1688
1689 if (!whomsw || checksw)
1690 mm_end (NOTOK);
1691
1692 fflush (stdout);
1693 sigoff ();
1694 }
1695
1696
1697 static void
1698 do_an_address (struct mailname *lp, int talk)
1699 {
1700 int len, retval;
1701 char *mbox, *host, *text, *path;
1702 char addr[BUFSIZ];
1703 struct rp_bufstruct reply;
1704
1705 switch (lp->m_type) {
1706 case LOCALHOST:
1707 mbox = lp->m_mbox;
1708 host = LocalName ();
1709 strncpy (addr, mbox, sizeof(addr));
1710 break;
1711
1712 case UUCPHOST:
1713 fprintf (talk ? stdout : stderr, " %s!%s: %s\n",
1714 lp->m_host, lp->m_mbox, "not supported; UUCP address");
1715 unkadr++;
1716 fflush (stdout);
1717 return;
1718
1719 default: /* let MMDF decide if the host is bad */
1720 mbox = lp->m_mbox;
1721 host = lp->m_host;
1722 snprintf (addr, sizeof(addr), "%s at %s", mbox, host);
1723 break;
1724 }
1725
1726 if (talk)
1727 printf (" %s%s", addr, whomsw && lp->m_bcc ? "[BCC]" : "");
1728
1729 if (whomsw && !checksw) {
1730 putchar ('\n');
1731 return;
1732 }
1733 if (talk)
1734 printf (": ");
1735 fflush (stdout);
1736
1737 #ifdef MMDFII
1738 if (lp->m_path)
1739 path = concat (lp->m_path, mbox, "@", host, NULL);
1740 else
1741 #endif /* MMDFII */
1742 path = NULL;
1743 if (rp_isbad (retval = mm_wadr (path ? NULL : host, path ? path : mbox))
1744 || rp_isbad (retval = mm_rrply (&reply, &len)))
1745 die (NULL, "problem submitting address [%s]", rp_valstr (retval));
1746
1747 switch (rp_gval (reply.rp_val)) {
1748 case RP_AOK:
1749 if (talk)
1750 printf ("address ok\n");
1751 fflush (stdout);
1752 return;
1753
1754 #ifdef RP_DOK
1755 case RP_DOK:
1756 if (talk)
1757 printf ("nameserver timeout - queued for checking\n");
1758 fflush (stdout);
1759 return;
1760 #endif /* RP_DOK */
1761
1762 case RP_NO:
1763 text = "you lose";
1764 break;
1765
1766 #ifdef RP_NS
1767 case RP_NS:
1768 text = "temporary nameserver failure";
1769 break;
1770
1771 #endif /* RP_NS */
1772
1773 case RP_USER:
1774 case RP_NDEL:
1775 text = "not deliverable";
1776 break;
1777
1778 case RP_AGN:
1779 text = "try again later";
1780 break;
1781
1782 case RP_NOOP:
1783 text = "nothing done";
1784 break;
1785
1786 default:
1787 if (!talk)
1788 fprintf (stderr, " %s: ", addr);
1789 text = "unexpected response";
1790 die (NULL, "%s;\n [%s] -- %s", text,
1791 rp_valstr (reply.rp_val), reply.rp_line);
1792 }
1793
1794 if (!talk)
1795 fprintf (stderr, " %s: ", addr);
1796 fprintf (talk ? stdout : stderr, "%s;\n %s\n", text, reply.rp_line);
1797 unkadr++;
1798
1799 fflush (stdout);
1800 }
1801
1802
1803 static void
1804 do_text (char *file, int fd)
1805 {
1806 int retval, state;
1807 char buf[BUFSIZ];
1808 struct rp_bufstruct reply;
1809
1810 lseek (fd, (off_t) 0, SEEK_SET);
1811
1812 while ((state = read (fd, buf, sizeof(buf))) > 0) {
1813 if (rp_isbad (mm_wtxt (buf, state)))
1814 die (NULL, "problem writing text [%s]\n", rp_valstr (retval));
1815 }
1816
1817 if (state == NOTOK)
1818 die (file, "problem reading from");
1819
1820 if (rp_isbad (retval = mm_wtend ()))
1821 die (NULL, "problem ending text [%s]\n", rp_valstr (retval));
1822
1823 if (rp_isbad (retval = mm_rrply (&reply, &state)))
1824 die (NULL, "problem getting submission status [%s]\n",
1825 rp_valstr (retval));
1826
1827 switch (rp_gval (reply.rp_val)) {
1828 case RP_OK:
1829 case RP_MOK:
1830 break;
1831
1832 case RP_NO:
1833 die (NULL, "you lose; %s", reply.rp_line);
1834
1835 case RP_NDEL:
1836 die (NULL, "no delivery occurred; %s", reply.rp_line);
1837
1838 case RP_AGN:
1839 die (NULL, "try again later; %s", reply.rp_line);
1840
1841 case RP_NOOP:
1842 die (NULL, "nothing done; %s", reply.rp_line);
1843
1844 default:
1845 die (NULL, "unexpected response;\n\t[%s] -- %s",
1846 rp_valstr (reply.rp_val), reply.rp_line);
1847 }
1848 }
1849
1850 #endif /* MMDFMTS */
1851
1852
1853 /*
1854 * SIGNAL HANDLING
1855 */
1856
1857 static RETSIGTYPE
1858 sigser (int i)
1859 {
1860 #ifndef RELIABLE_SIGNALS
1861 SIGNAL (i, SIG_IGN);
1862 #endif
1863
1864 unlink (tmpfil);
1865 if (msgflags & MINV)
1866 unlink (bccfil);
1867
1868 #ifdef MMDFMTS
1869 if (!whomsw || checksw)
1870 mm_end (NOTOK);
1871 #endif /* MMDFMTS */
1872
1873 #ifdef SENDMTS
1874 if (!whomsw || checksw)
1875 sm_end (NOTOK);
1876 #endif /* SENDMTS */
1877
1878 done (1);
1879 }
1880
1881
1882 static void
1883 sigon (void)
1884 {
1885 if (debug)
1886 return;
1887
1888 hstat = SIGNAL2 (SIGHUP, sigser);
1889 istat = SIGNAL2 (SIGINT, sigser);
1890 qstat = SIGNAL2 (SIGQUIT, sigser);
1891 tstat = SIGNAL2 (SIGTERM, sigser);
1892 }
1893
1894
1895 static void
1896 sigoff (void)
1897 {
1898 if (debug)
1899 return;
1900
1901 SIGNAL (SIGHUP, hstat);
1902 SIGNAL (SIGINT, istat);
1903 SIGNAL (SIGQUIT, qstat);
1904 SIGNAL (SIGTERM, tstat);
1905 }
1906
1907 /*
1908 * FCC INTERACTION
1909 */
1910
1911 static void
1912 p_refile (char *file)
1913 {
1914 int i;
1915
1916 if (fccind == 0)
1917 return;
1918
1919 if (verbose)
1920 printf (" -- Filing Folder Copies --\n");
1921 for (i = 0; i < fccind; i++)
1922 fcc (file, fccfold[i]);
1923 if (verbose)
1924 printf (" -- Folder Copies Filed --\n");
1925 }
1926
1927
1928 /*
1929 * Call the `fileproc' to add the file to the folder.
1930 */
1931
1932 static void
1933 fcc (char *file, char *folder)
1934 {
1935 pid_t child_id;
1936 int i, status;
1937 char fold[BUFSIZ];
1938
1939 if (verbose)
1940 printf (" %sFcc %s: ", msgstate == RESENT ? "Resent-" : "", folder);
1941 fflush (stdout);
1942
1943 for (i = 0; (child_id = fork ()) == NOTOK && i < 5; i++)
1944 sleep (5);
1945
1946 switch (child_id) {
1947 case NOTOK:
1948 if (!verbose)
1949 fprintf (stderr, " %sFcc %s: ",
1950 msgstate == RESENT ? "Resent-" : "", folder);
1951 fprintf (verbose ? stdout : stderr, "no forks, so not ok\n");
1952 break;
1953
1954 case OK:
1955 /* see if we need to add `+' */
1956 snprintf (fold, sizeof(fold), "%s%s",
1957 *folder == '+' || *folder == '@' ? "" : "+", folder);
1958
1959 /* now exec the fileproc */
1960 execlp (fileproc, r1bindex (fileproc, '/'),
1961 "-link", "-file", file, fold, NULL);
1962 _exit (-1);
1963
1964 default:
1965 if ((status = pidwait (child_id, OK))) {
1966 if (!verbose)
1967 fprintf (stderr, " %sFcc %s: ",
1968 msgstate == RESENT ? "Resent-" : "", folder);
1969 pidstatus (status, verbose ? stdout : stderr, NULL);
1970 } else {
1971 if (verbose)
1972 printf ("folder ok\n");
1973 }
1974 }
1975
1976 fflush (stdout);
1977 }
1978
1979 /*
1980 * TERMINATION
1981 */
1982
1983 static void
1984 die (char *what, char *fmt, ...)
1985 {
1986 va_list ap;
1987
1988 unlink (tmpfil);
1989 if (msgflags & MINV)
1990 unlink (bccfil);
1991
1992 #ifdef MMDFMTS
1993 if (!whomsw || checksw)
1994 mm_end (NOTOK);
1995 #endif /* MMDFMTS */
1996
1997 #ifdef SENDMTS
1998 if (!whomsw || checksw)
1999 sm_end (NOTOK);
2000 #endif /* SENDMTS */
2001
2002 va_start(ap, fmt);
2003 advertise (what, NULL, fmt, ap);
2004 va_end(ap);
2005 done (1);
2006 }
2007
2008
2009 #ifdef MMDFMTS
2010 /*
2011 * err_abrt() is used by the mm_ routines
2012 * do not, under *ANY* circumstances, remove it from post,
2013 * or you will lose *BIG*
2014 */
2015
2016 void
2017 err_abrt (int code, char *fmt, ...)
2018 {
2019 char buffer[BUFSIZ];
2020 va_list ap;
2021
2022 snprintf (buffer, sizeof(buffer), "[%s]", rp_valstr (code));
2023
2024 va_start(ap, fmt);
2025 advertise (buffer, NULL, fmt, ap);
2026 va_end(ap);
2027
2028 done (1);
2029 }
2030 #endif /* MMDFMTS */
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