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[nmh] / uip / post.c
1
2 /*
3 * post.c -- enter messages into the mail transport system
4 *
5 * $Id$
6 *
7 * This code is Copyright (c) 2002, by the authors of nmh. See the
8 * COPYRIGHT file in the root directory of the nmh distribution for
9 * complete copyright information.
10 */
11
12 #include <h/mh.h>
13 #include <fcntl.h>
14 #include <h/signals.h>
15 #include <h/addrsbr.h>
16 #include <h/aliasbr.h>
17 #include <h/dropsbr.h>
18 #include <h/mime.h>
19 #include <h/utils.h>
20
21 #include <h/tws.h>
22 #include <h/mts.h>
23
24 #include <errno.h>
25 #include <setjmp.h>
26 #include <signal.h>
27
28 #ifdef TIME_WITH_SYS_TIME
29 # include <sys/time.h>
30 # include <time.h>
31 #else
32 # ifdef TM_IN_SYS_TIME
33 # include <sys/time.h>
34 # else
35 # include <time.h>
36 # endif
37 #endif
38
39 #ifdef SMTPMTS
40 # include <mts/smtp/smtp.h>
41 #endif
42
43 #ifndef CYRUS_SASL
44 # define SASLminc(a) (a)
45 #else /* CYRUS_SASL */
46 # define SASLminc(a) 0
47 #endif /* CYRUS_SASL */
48
49 #define FCCS 10 /* max number of fccs allowed */
50
51 #define uptolow(c) ((isalpha(c) && isupper (c)) ? tolower (c) : c)
52
53 /* In the following array of structures, the numeric second field of the
54 structures (minchars) is apparently used like this:
55
56 -# : Switch can be abbreviated to # characters; switch hidden in -help.
57 0 : Switch can't be abbreviated; switch shown in -help.
58 # : Switch can be abbreviated to # characters; switch shown in -help. */
59
60 static struct swit switches[] = {
61 #define ALIASW 0
62 { "alias aliasfile", 0 },
63 #define CHKSW 1
64 { "check", -5 }, /* interface from whom */
65 #define NCHKSW 2
66 { "nocheck", -7 }, /* interface from whom */
67 #define DEBUGSW 3
68 { "debug", -5 },
69 #define DISTSW 4
70 { "dist", -4 }, /* interface from dist */
71 #define FILTSW 5
72 { "filter filterfile", 0 },
73 #define NFILTSW 6
74 { "nofilter", 0 },
75 #define FRMTSW 7
76 { "format", 0 },
77 #define NFRMTSW 8
78 { "noformat", 0 },
79 #define LIBSW 9
80 { "library directory", -7 }, /* interface from send, whom */
81 #define MIMESW 10
82 { "mime", 0 },
83 #define NMIMESW 11
84 { "nomime", 0 },
85 #define MSGDSW 12
86 { "msgid", 0 },
87 #define NMSGDSW 13
88 { "nomsgid", 0 },
89 #define VERBSW 14
90 { "verbose", 0 },
91 #define NVERBSW 15
92 { "noverbose", 0 },
93 #define WATCSW 16
94 { "watch", 0 },
95 #define NWATCSW 17
96 { "nowatch", 0 },
97 #define WHOMSW 18
98 { "whom", -4 }, /* interface from whom */
99 #define WIDTHSW 19
100 { "width columns", 0 },
101 #define VERSIONSW 20
102 { "version", 0 },
103 #define HELPSW 21
104 { "help", 0 },
105 #define BITSTUFFSW 22
106 { "dashstuffing", -12 }, /* should we dashstuff BCC messages? */
107 #define NBITSTUFFSW 23
108 { "nodashstuffing", -14 },
109 #define MAILSW 24
110 { "mail", -4 }, /* specify MAIL smtp mode */
111 #define SAMLSW 25
112 { "saml", -4 }, /* specify SAML smtp mode */
113 #define SENDSW 26
114 { "send", -4 }, /* specify SEND smtp mode */
115 #define SOMLSW 27
116 { "soml", -4 }, /* specify SOML smtp mode */
117 #define ANNOSW 28
118 { "idanno number", -6 }, /* interface from send */
119 #define DLVRSW 29
120 { "deliver address-list", -7 },
121 #define CLIESW 30
122 { "client host", -6 },
123 #define SERVSW 31
124 { "server host", -6 }, /* specify alternate SMTP server */
125 #define SNOOPSW 32
126 { "snoop", -5 }, /* snoop the SMTP transaction */
127 #define FILLSW 33
128 { "fill-in file", -7 },
129 #define FILLUSW 34
130 { "fill-up", -7 },
131 #define PARTSW 35
132 { "partno", -6 },
133 #define QUEUESW 36
134 { "queued", -6 },
135 #define SASLSW 37
136 { "sasl", SASLminc(-4) },
137 #define SASLMECHSW 38
138 { "saslmech", SASLminc(-5) },
139 #define USERSW 39
140 { "user", SASLminc(-4) },
141 { NULL, 0 }
142 };
143
144
145 struct headers {
146 char *value;
147 unsigned int flags;
148 unsigned int set;
149 };
150
151 /*
152 * flags for headers->flags
153 */
154 #define HNOP 0x0000 /* just used to keep .set around */
155 #define HBAD 0x0001 /* bad header - don't let it through */
156 #define HADR 0x0002 /* header has an address field */
157 #define HSUB 0x0004 /* Subject: header */
158 #define HTRY 0x0008 /* try to send to addrs on header */
159 #define HBCC 0x0010 /* don't output this header */
160 #define HMNG 0x0020 /* munge this header */
161 #define HNGR 0x0040 /* no groups allowed in this header */
162 #define HFCC 0x0080 /* FCC: type header */
163 #define HNIL 0x0100 /* okay for this header not to have addrs */
164 #define HIGN 0x0200 /* ignore this header */
165 #define HDCC 0x0400 /* another undocumented feature */
166
167 /*
168 * flags for headers->set
169 */
170 #define MFRM 0x0001 /* we've seen a From: */
171 #define MDAT 0x0002 /* we've seen a Date: */
172 #define MRFM 0x0004 /* we've seen a Resent-From: */
173 #define MVIS 0x0008 /* we've seen sighted addrs */
174 #define MINV 0x0010 /* we've seen blind addrs */
175
176
177 static struct headers NHeaders[] = {
178 { "Return-Path", HBAD, 0 },
179 { "Received", HBAD, 0 },
180 { "Reply-To", HADR|HNGR, 0 },
181 { "From", HADR|HNGR, MFRM },
182 { "Sender", HADR|HBAD, 0 },
183 { "Date", HBAD, 0 },
184 { "Subject", HSUB, 0 },
185 { "To", HADR|HTRY, MVIS },
186 { "cc", HADR|HTRY, MVIS },
187 { "Bcc", HADR|HTRY|HBCC|HNIL, MINV },
188 { "Dcc", HADR|HTRY|HDCC|HNIL, MVIS }, /* sorta cc & bcc combined */
189 { "Message-ID", HBAD, 0 },
190 { "Fcc", HFCC, 0 },
191 { NULL, 0, 0 }
192 };
193
194 static struct headers RHeaders[] = {
195 { "Resent-Reply-To", HADR|HNGR, 0 },
196 { "Resent-From", HADR|HNGR, MRFM },
197 { "Resent-Sender", HADR|HBAD, 0 },
198 { "Resent-Date", HBAD, 0 },
199 { "Resent-Subject", HSUB, 0 },
200 { "Resent-To", HADR|HTRY, MVIS },
201 { "Resent-cc", HADR|HTRY, MVIS },
202 { "Resent-Bcc", HADR|HTRY|HBCC, MINV },
203 { "Resent-Message-ID", HBAD, 0 },
204 { "Resent-Fcc", HFCC, 0 },
205 { "Reply-To", HADR, 0 },
206 { "From", HADR|HNGR, MFRM },
207 { "Sender", HADR|HNGR, 0 },
208 { "Date", HNOP, MDAT },
209 { "To", HADR|HNIL, 0 },
210 { "cc", HADR|HNIL, 0 },
211 { "Bcc", HADR|HTRY|HBCC|HNIL, 0 },
212 { "Fcc", HIGN, 0 },
213 { NULL, 0, 0 }
214 };
215
216 static short fccind = 0; /* index into fccfold[] */
217 static short outputlinelen = OUTPUTLINELEN;
218
219 static int pfd = NOTOK; /* fd to write annotation list to */
220 static uid_t myuid= -1; /* my user id */
221 static gid_t mygid= -1; /* my group id */
222 static int recipients = 0; /* how many people will get a copy */
223 static int unkadr = 0; /* how many of those were unknown */
224 static int badadr = 0; /* number of bad addrs */
225 static int badmsg = 0; /* message has bad semantics */
226 static int verbose = 0; /* spell it out */
227 static int format = 1; /* format addresses */
228 static int mime = 0; /* use MIME-style encapsulations for Bcc */
229 static int msgid = 0; /* add msgid */
230 static int debug = 0; /* debugging post */
231 static int watch = 0; /* watch the delivery process */
232 static int whomsw = 0; /* we are whom not post */
233 static int checksw = 0; /* whom -check */
234 static int linepos=0; /* putadr()'s position on the line */
235 static int nameoutput=0; /* putadr() has output header name */
236 static int sasl=0; /* Use SASL auth for SMTP */
237 static char *saslmech=NULL; /* Force use of particular SASL mech */
238 static char *user=NULL; /* Authenticate as this user */
239
240 static unsigned msgflags = 0; /* what we've seen */
241
242 #define NORMAL 0
243 #define RESENT 1
244 static int msgstate = NORMAL;
245
246 static time_t tclock = 0; /* the time we started (more or less) */
247
248 static SIGNAL_HANDLER hstat, istat, qstat, tstat;
249
250 static char tmpfil[BUFSIZ];
251 static char bccfil[BUFSIZ];
252
253 static char from[BUFSIZ]; /* my network address */
254 static char signature[BUFSIZ]; /* my signature */
255 static char *filter = NULL; /* the filter for BCC'ing */
256 static char *subject = NULL; /* the subject field for BCC'ing */
257 static char *fccfold[FCCS]; /* foldernames for FCC'ing */
258
259 static struct headers *hdrtab; /* table for the message we're doing */
260
261 static struct mailname localaddrs={NULL}; /* local addrs */
262 static struct mailname netaddrs={NULL}; /* network addrs */
263 static struct mailname uuaddrs={NULL}; /* uucp addrs */
264 static struct mailname tmpaddrs={NULL}; /* temporary queue */
265
266 #ifdef SMTPMTS
267 static int snoop = 0;
268 static int smtpmode = S_MAIL;
269 static char *clientsw = NULL;
270 static char *serversw = NULL;
271
272 extern struct smtp sm_reply;
273 #endif /* SMTPMTS */
274
275 static char prefix[] = "----- =_aaaaaaaaaa";
276
277 static int fill_up = 0;
278 static char *fill_in = NULL;
279 static char *partno = NULL;
280 static int queued = 0;
281
282 extern boolean draft_from_masquerading; /* defined in mts.c */
283
284 /*
285 * static prototypes
286 */
287 static void putfmt (char *, char *, FILE *);
288 static void start_headers (void);
289 static void finish_headers (FILE *);
290 static int get_header (char *, struct headers *);
291 static int putadr (char *, char *, struct mailname *, FILE *, unsigned int);
292 static void putgrp (char *, char *, FILE *, unsigned int);
293 static int insert (struct mailname *);
294 static void pl (void);
295 static void anno (void);
296 static int annoaux (struct mailname *);
297 static void insert_fcc (struct headers *, char *);
298 static void make_bcc_file (int);
299 static void verify_all_addresses (int);
300 static void chkadr (void);
301 static void sigon (void);
302 static void sigoff (void);
303 static void p_refile (char *);
304 static void fcc (char *, char *);
305 static void die (char *, char *, ...);
306 static void post (char *, int, int);
307 static void do_text (char *file, int fd);
308 static void do_an_address (struct mailname *, int);
309 static void do_addresses (int, int);
310 static int find_prefix (void);
311
312
313 int
314 main (int argc, char **argv)
315 {
316 int state, compnum, dashstuff = 0;
317 char *cp, *msg = NULL, **argp, **arguments;
318 char buf[BUFSIZ], name[NAMESZ];
319 FILE *in, *out;
320
321 #ifdef LOCALE
322 setlocale(LC_ALL, "");
323 #endif
324 invo_name = r1bindex (argv[0], '/');
325
326 /* foil search of user profile/context */
327 if (context_foil (NULL) == -1)
328 done (1);
329
330 mts_init (invo_name);
331 arguments = getarguments (invo_name, argc, argv, 0);
332 argp = arguments;
333
334 while ((cp = *argp++)) {
335 if (*cp == '-') {
336 switch (smatch (++cp, switches)) {
337 case AMBIGSW:
338 ambigsw (cp, switches);
339 done (1);
340 case UNKWNSW:
341 adios (NULL, "-%s unknown", cp);
342
343 case HELPSW:
344 snprintf (buf, sizeof(buf), "%s [switches] file", invo_name);
345 print_help (buf, switches, 0);
346 done (1);
347 case VERSIONSW:
348 print_version(invo_name);
349 done (1);
350
351 case LIBSW:
352 if (!(cp = *argp++) || *cp == '-')
353 adios (NULL, "missing argument to %s", argp[-2]);
354 /* create a minimal context */
355 if (context_foil (cp) == -1)
356 done (1);
357 continue;
358
359 case ALIASW:
360 if (!(cp = *argp++) || *cp == '-')
361 adios (NULL, "missing argument to %s", argp[-2]);
362 if ((state = alias (cp)) != AK_OK)
363 adios (NULL, "aliasing error in %s - %s",
364 cp, akerror (state));
365 continue;
366
367 case CHKSW:
368 checksw++;
369 continue;
370 case NCHKSW:
371 checksw = 0;
372 continue;
373
374 case DEBUGSW:
375 debug++;
376 continue;
377
378 case DISTSW:
379 msgstate = RESENT;
380 continue;
381
382 case FILTSW:
383 if (!(filter = *argp++) || *filter == '-')
384 adios (NULL, "missing argument to %s", argp[-2]);
385 mime = 0;
386 continue;
387 case NFILTSW:
388 filter = NULL;
389 continue;
390
391 case FRMTSW:
392 format++;
393 continue;
394 case NFRMTSW:
395 format = 0;
396 continue;
397
398 case BITSTUFFSW:
399 dashstuff = 1;
400 continue;
401 case NBITSTUFFSW:
402 dashstuff = -1;
403 continue;
404
405 case MIMESW:
406 mime++;
407 filter = NULL;
408 continue;
409 case NMIMESW:
410 mime = 0;
411 continue;
412
413 case MSGDSW:
414 msgid++;
415 continue;
416 case NMSGDSW:
417 msgid = 0;
418 continue;
419
420 case VERBSW:
421 verbose++;
422 continue;
423 case NVERBSW:
424 verbose = 0;
425 continue;
426
427 case WATCSW:
428 watch++;
429 continue;
430 case NWATCSW:
431 watch = 0;
432 continue;
433
434 case WHOMSW:
435 whomsw++;
436 continue;
437
438 case WIDTHSW:
439 if (!(cp = *argp++) || *cp == '-')
440 adios (NULL, "missing argument to %s", argp[-2]);
441 if ((outputlinelen = atoi (cp)) < 10)
442 adios (NULL, "impossible width %d", outputlinelen);
443 continue;
444
445 case ANNOSW:
446 if (!(cp = *argp++) || *cp == '-')
447 adios (NULL, "missing argument to %s", argp[-2]);
448 if ((pfd = atoi (cp)) <= 2)
449 adios (NULL, "bad argument %s %s", argp[-2], cp);
450 continue;
451
452 case DLVRSW:
453 if (!(cp = *argp++) || *cp == '-')
454 adios (NULL, "missing argument to %s", argp[-2]);
455 continue;
456
457 #ifndef SMTPMTS
458 case CLIESW:
459 case SERVSW:
460 if (!(cp = *argp++) || *cp == '-')
461 adios (NULL, "missing argument to %s", argp[-2]);
462 continue;
463
464 case SNOOPSW:
465 continue;
466 #else /* SMTPMTS */
467 case MAILSW:
468 smtpmode = S_MAIL;
469 continue;
470 case SAMLSW:
471 smtpmode = S_SAML;
472 continue;
473 case SOMLSW:
474 smtpmode = S_SOML;
475 continue;
476 case SENDSW:
477 smtpmode = S_SEND;
478 continue;
479 case CLIESW:
480 if (!(clientsw = *argp++) || *clientsw == '-')
481 adios (NULL, "missing argument to %s", argp[-2]);
482 continue;
483 case SERVSW:
484 if (!(serversw = *argp++) || *serversw == '-')
485 adios (NULL, "missing argument to %s", argp[-2]);
486 continue;
487 case SNOOPSW:
488 snoop++;
489 continue;
490 #endif /* SMTPMTS */
491
492 case FILLSW:
493 if (!(fill_in = *argp++) || *fill_in == '-')
494 adios (NULL, "missing argument to %s", argp[-2]);
495 continue;
496 case FILLUSW:
497 fill_up++;
498 continue;
499 case PARTSW:
500 if (!(partno = *argp++) || *partno == '-')
501 adios (NULL, "missing argument to %s", argp[-2]);
502 continue;
503
504 case QUEUESW:
505 queued++;
506 continue;
507
508 case SASLSW:
509 sasl++;
510 continue;
511
512 case SASLMECHSW:
513 if (!(saslmech = *argp++) || *saslmech == '-')
514 adios (NULL, "missing argument to %s", argp[-2]);
515 continue;
516
517 case USERSW:
518 if (!(user = *argp++) || *user == '-')
519 adios (NULL, "missing argument to %s", argp[-2]);
520 continue;
521 }
522 }
523 if (msg)
524 adios (NULL, "only one message at a time!");
525 else
526 msg = cp;
527 }
528
529 alias (AliasFile);
530
531 if (!msg)
532 adios (NULL, "usage: %s [switches] file", invo_name);
533
534 if (outputlinelen < 10)
535 adios (NULL, "impossible width %d", outputlinelen);
536
537 if ((in = fopen (msg, "r")) == NULL)
538 adios (msg, "unable to open");
539
540 start_headers ();
541 if (debug) {
542 verbose++;
543 discard (out = stdout); /* XXX: reference discard() to help loader */
544 } else {
545 if (whomsw) {
546 if ((out = fopen (fill_in ? fill_in : "/dev/null", "w")) == NULL)
547 adios ("/dev/null", "unable to open");
548 } else {
549 strncpy (tmpfil, m_scratch ("", m_maildir (invo_name)),
550 sizeof(tmpfil));
551 if ((out = fopen (tmpfil, "w")) == NULL) {
552 strncpy (tmpfil, m_tmpfil (invo_name), sizeof(tmpfil));
553 if ((out = fopen (tmpfil, "w")) == NULL)
554 adios (tmpfil, "unable to create");
555 }
556 chmod (tmpfil, 0600);
557 }
558 }
559
560 hdrtab = msgstate == NORMAL ? NHeaders : RHeaders;
561
562 for (compnum = 1, state = FLD;;) {
563 switch (state = m_getfld (state, name, buf, sizeof(buf), in)) {
564 case FLD:
565 case FLDEOF:
566 case FLDPLUS:
567 compnum++;
568 cp = add (buf, NULL);
569 while (state == FLDPLUS) {
570 state = m_getfld (state, name, buf, sizeof(buf), in);
571 cp = add (buf, cp);
572 }
573 putfmt (name, cp, out);
574 free (cp);
575 if (state != FLDEOF)
576 continue;
577 finish_headers (out);
578 break;
579
580 case BODY:
581 case BODYEOF:
582 finish_headers (out);
583 if (whomsw && !fill_in)
584 break;
585 fprintf (out, "\n%s", buf);
586 while (state == BODY) {
587 state = m_getfld (state, name, buf, sizeof(buf), in);
588 fputs (buf, out);
589 }
590 break;
591
592 case FILEEOF:
593 finish_headers (out);
594 break;
595
596 case LENERR:
597 case FMTERR:
598 adios (NULL, "message format error in component #%d", compnum);
599
600 default:
601 adios (NULL, "getfld() returned %d", state);
602 }
603 break;
604 }
605
606 if (pfd != NOTOK)
607 anno ();
608 fclose (in);
609
610 if (debug) {
611 pl ();
612 done (0);
613 } else {
614 fclose (out);
615 }
616
617 /* If we are doing a "whom" check */
618 if (whomsw) {
619 if (!fill_up)
620 verify_all_addresses (1);
621 done (0);
622 }
623
624 if (msgflags & MINV) {
625 make_bcc_file (dashstuff);
626 if (msgflags & MVIS) {
627 verify_all_addresses (verbose);
628 post (tmpfil, 0, verbose);
629 }
630 post (bccfil, 1, verbose);
631 unlink (bccfil);
632 } else {
633 post (tmpfil, 0, isatty (1));
634 }
635
636 p_refile (tmpfil);
637 unlink (tmpfil);
638
639 if (verbose)
640 printf (partno ? "Partial Message #%s Processed\n" : "Message Processed\n",
641 partno);
642 return done (0);
643 }
644
645
646 /*
647 * DRAFT GENERATION
648 */
649
650 static void
651 putfmt (char *name, char *str, FILE *out)
652 {
653 int count, grp, i, keep;
654 char *cp, *pp, *qp;
655 char namep[BUFSIZ];
656 struct mailname *mp, *np;
657 struct headers *hdr;
658
659 while (*str == ' ' || *str == '\t')
660 str++;
661
662 if (msgstate == NORMAL && uprf (name, "resent")) {
663 advise (NULL, "illegal header line -- %s:", name);
664 badmsg++;
665 return;
666 }
667
668 if ((i = get_header (name, hdrtab)) == NOTOK) {
669 fprintf (out, "%s: %s", name, str);
670 return;
671 }
672
673 hdr = &hdrtab[i];
674 if (hdr->flags & HIGN) {
675 if (fill_in)
676 fprintf (out, "%s: %s", name, str);
677 return;
678 }
679 if (hdr->flags & HBAD) {
680 if (fill_in)
681 fprintf (out, "%s: %s", name, str);
682 else {
683 advise (NULL, "illegal header line -- %s:", name);
684 badmsg++;
685 }
686 return;
687 }
688 msgflags |= (hdr->set & ~(MVIS | MINV));
689
690 if (hdr->flags & HSUB)
691 subject = subject ? add (str, add ("\t", subject)) : getcpy (str);
692 if (hdr->flags & HFCC) {
693 if (fill_in) {
694 fprintf (out, "%s: %s", name, str);
695 return;
696 }
697
698 if ((cp = strrchr(str, '\n')))
699 *cp = 0;
700 for (cp = pp = str; (cp = strchr(pp, ',')); pp = cp) {
701 *cp++ = 0;
702 insert_fcc (hdr, pp);
703 }
704 insert_fcc (hdr, pp);
705 return;
706 }
707
708 if (!(hdr->flags & HADR)) {
709 fprintf (out, "%s: %s", name, str);
710 return;
711 }
712
713 tmpaddrs.m_next = NULL;
714 for (count = 0; (cp = getname (str)); count++)
715 if ((mp = getm (cp, NULL, 0, AD_HOST, NULL))) {
716 if (tmpaddrs.m_next)
717 np->m_next = mp;
718 else
719 tmpaddrs.m_next = mp;
720 np = mp;
721 }
722 else
723 if (hdr->flags & HTRY)
724 badadr++;
725 else
726 badmsg++;
727
728 if (count < 1) {
729 if (hdr->flags & HNIL)
730 fprintf (out, "%s: %s", name, str);
731 else {
732 #ifdef notdef
733 advise (NULL, "%s: field requires at least one address", name);
734 badmsg++;
735 #endif /* notdef */
736 }
737 return;
738 }
739
740 nameoutput = linepos = 0;
741 snprintf (namep, sizeof(namep), "%s%s",
742 !fill_in && (hdr->flags & HMNG) ? "Original-" : "", name);
743
744 for (grp = 0, mp = tmpaddrs.m_next; mp; mp = np)
745 if (mp->m_nohost) { /* also used to test (hdr->flags & HTRY) */
746 /* The address doesn't include a host, so it might be an alias. */
747 pp = akvalue (mp->m_mbox); /* do mh alias substitution */
748 qp = akvisible () ? mp->m_mbox : "";
749 np = mp;
750 if (np->m_gname)
751 putgrp (namep, np->m_gname, out, hdr->flags);
752 while ((cp = getname (pp))) {
753 if (!(mp = getm (cp, NULL, 0, AD_HOST, NULL))) {
754 badadr++;
755 continue;
756 }
757
758 if (draft_from_masquerading && ((msgstate == RESENT)
759 ? (hdr->set & MRFM)
760 : (hdr->set & MFRM)))
761 /* The user manually specified a [Resent-]From: address in
762 their draft and the "masquerade:" line in mts.conf
763 doesn't contain "draft_from", so we'll set things up to
764 use the actual email address embedded in the draft
765 [Resent-]From: (after alias substitution, and without the
766 GECOS full name or angle brackets) as the envelope
767 From:. */
768 strncpy(from, auxformat(mp, 0), sizeof(from) - 1);
769
770 if (hdr->flags & HBCC)
771 mp->m_bcc++;
772 if (np->m_ingrp)
773 mp->m_ingrp = np->m_ingrp;
774 else
775 if (mp->m_gname)
776 putgrp (namep, mp->m_gname, out, hdr->flags);
777 if (mp->m_ingrp)
778 grp++;
779 if (putadr (namep, qp, mp, out, hdr->flags))
780 msgflags |= (hdr->set & (MVIS | MINV));
781 else
782 mnfree (mp);
783 }
784 mp = np;
785 np = np->m_next;
786 mnfree (mp);
787 }
788 else {
789 /* Address includes a host, so no alias substitution is needed. */
790 if (draft_from_masquerading && ((msgstate == RESENT)
791 ? (hdr->set & MRFM)
792 : (hdr->set & MFRM)))
793 /* The user manually specified a [Resent-]From: address in
794 their draft and the "masquerade:" line in mts.conf
795 doesn't contain "draft_from", so we'll set things up to
796 use the actual email address embedded in the draft
797 [Resent-]From: (after alias substitution, and without the
798 GECOS full name or angle brackets) as the envelope
799 From:. */
800 strncpy(from, auxformat(mp, 0), sizeof(from) - 1);
801
802 if (hdr->flags & HBCC)
803 mp->m_bcc++;
804 if (mp->m_gname)
805 putgrp (namep, mp->m_gname, out, hdr->flags);
806 if (mp->m_ingrp)
807 grp++;
808 keep = putadr (namep, "", mp, out, hdr->flags);
809 np = mp->m_next;
810 if (keep) {
811 mp->m_next = NULL;
812 msgflags |= (hdr->set & (MVIS | MINV));
813 }
814 else
815 mnfree (mp);
816 }
817
818 if (grp > 0 && (hdr->flags & HNGR)) {
819 advise (NULL, "%s: field does not allow groups", name);
820 badmsg++;
821 }
822 if (linepos) {
823 if (fill_in && grp > 0)
824 putc (';', out);
825 putc ('\n', out);
826 }
827 }
828
829
830 static void
831 start_headers (void)
832 {
833 char *cp;
834 char myhost[BUFSIZ], sigbuf[BUFSIZ];
835 struct mailname *mp;
836
837 myuid = getuid ();
838 mygid = getgid ();
839 time (&tclock);
840
841 strncpy (from, adrsprintf (NULL, NULL), sizeof(from));
842 strncpy (myhost, LocalName (), sizeof(myhost));
843
844 for (cp = myhost; *cp; cp++)
845 *cp = uptolow (*cp);
846
847 if ((cp = getfullname ()) && *cp) {
848 strncpy (sigbuf, cp, sizeof(sigbuf));
849 snprintf (signature, sizeof(signature), "%s <%s>",
850 sigbuf, adrsprintf (NULL, NULL));
851 if ((cp = getname (signature)) == NULL)
852 adios (NULL, "getname () failed -- you lose extraordinarily big");
853 if ((mp = getm (cp, NULL, 0, AD_HOST, NULL)) == NULL)
854 adios (NULL, "bad signature '%s'", sigbuf);
855 mnfree (mp);
856 while (getname (""))
857 continue;
858 } else {
859 strncpy (signature, adrsprintf (NULL, NULL), sizeof(signature));
860 }
861 }
862
863
864 /*
865 * Now that we've outputted the header fields in the draft
866 * message, we will now output any remaining header fields
867 * that we need to add/create.
868 */
869
870 static void
871 finish_headers (FILE *out)
872 {
873 switch (msgstate) {
874 case NORMAL:
875 if (whomsw && !fill_up)
876 break;
877
878 fprintf (out, "Date: %s\n", dtime (&tclock, 0));
879 if (msgid)
880 fprintf (out, "Message-ID: <%d.%ld@%s>\n",
881 (int) getpid (), (long) tclock, LocalName ());
882 if (msgflags & MFRM) {
883 /* There was already a From: in the draft. Don't add one. */
884 if (!draft_from_masquerading)
885 /* mts.conf didn't contain "masquerade:[...]draft_from[...]"
886 so we'll reveal the user's actual account@thismachine
887 address in a Sender: header (and use it as the envelope
888 From: later). */
889 fprintf (out, "Sender: %s\n", from);
890 }
891 else
892 /* Construct a From: header. */
893 fprintf (out, "From: %s\n", signature);
894 if (whomsw)
895 break;
896
897 if (!(msgflags & MVIS))
898 fprintf (out, "Bcc: Blind Distribution List: ;\n");
899 break;
900
901 case RESENT:
902 if (!(msgflags & MDAT)) {
903 advise (NULL, "message has no Date: header");
904 badmsg++;
905 }
906 if (!(msgflags & MFRM)) {
907 advise (NULL, "message has no From: header");
908 badmsg++;
909 }
910 if (whomsw && !fill_up)
911 break;
912
913 fprintf (out, "Resent-Date: %s\n", dtime (&tclock, 0));
914 if (msgid)
915 fprintf (out, "Resent-Message-ID: <%d.%ld@%s>\n",
916 (int) getpid (), (long) tclock, LocalName ());
917 if (msgflags & MRFM) {
918 /* There was already a Resent-From: in draft. Don't add one. */
919 if (!draft_from_masquerading)
920 /* mts.conf didn't contain "masquerade:[...]draft_from[...]"
921 so we'll reveal the user's actual account@thismachine
922 address in a Sender: header (and use it as the envelope
923 From: later). */
924 fprintf (out, "Resent-Sender: %s\n", from);
925 }
926 else
927 /* Construct a Resent-From: header. */
928 fprintf (out, "Resent-From: %s\n", signature);
929 if (whomsw)
930 break;
931 if (!(msgflags & MVIS))
932 fprintf (out, "Resent-Bcc: Blind Re-Distribution List: ;\n");
933 break;
934 }
935
936 if (badmsg)
937 adios (NULL, "re-format message and try again");
938 if (!recipients)
939 adios (NULL, "no addressees");
940 }
941
942
943 static int
944 get_header (char *header, struct headers *table)
945 {
946 struct headers *h;
947
948 for (h = table; h->value; h++)
949 if (!mh_strcasecmp (header, h->value))
950 return (h - table);
951
952 return NOTOK;
953 }
954
955
956 static int
957 putadr (char *name, char *aka, struct mailname *mp, FILE *out, unsigned int flags)
958 {
959 int len;
960 char *cp;
961 char buffer[BUFSIZ];
962
963 if (mp->m_mbox == NULL || ((flags & HTRY) && !insert (mp)))
964 return 0;
965 if ((!fill_in && (flags & (HBCC | HDCC))) || mp->m_ingrp)
966 return 1;
967
968 if (!nameoutput) {
969 fprintf (out, "%s: ", name);
970 linepos += (nameoutput = strlen (name) + 2);
971 }
972
973 if (*aka && mp->m_type != UUCPHOST && !mp->m_pers)
974 mp->m_pers = getcpy (aka);
975 if (format) {
976 if (mp->m_gname && !fill_in) {
977 snprintf (buffer, sizeof(buffer), "%s;", mp->m_gname);
978 cp = buffer;
979 } else {
980 cp = adrformat (mp);
981 }
982 } else {
983 cp = mp->m_text;
984 }
985 len = strlen (cp);
986
987 if (linepos != nameoutput) {
988 if (len + linepos + 2 > outputlinelen)
989 fprintf (out, ",\n%*s", linepos = nameoutput, "");
990 else {
991 fputs (", ", out);
992 linepos += 2;
993 }
994 }
995
996 fputs (cp, out);
997 linepos += len;
998
999 return (flags & HTRY);
1000 }
1001
1002
1003 static void
1004 putgrp (char *name, char *group, FILE *out, unsigned int flags)
1005 {
1006 int len;
1007 char *cp;
1008
1009 if (!fill_in && (flags & HBCC))
1010 return;
1011
1012 if (!nameoutput) {
1013 fprintf (out, "%s: ", name);
1014 linepos += (nameoutput = strlen (name) + 2);
1015 if (fill_in)
1016 linepos -= strlen (group);
1017 }
1018
1019 cp = fill_in ? group : concat (group, ";", NULL);
1020 len = strlen (cp);
1021
1022 if (linepos > nameoutput) {
1023 if (len + linepos + 2 > outputlinelen) {
1024 fprintf (out, ",\n%*s", nameoutput, "");
1025 linepos = nameoutput;
1026 }
1027 else {
1028 fputs (", ", out);
1029 linepos += 2;
1030 }
1031 }
1032
1033 fputs (cp, out);
1034 linepos += len;
1035 }
1036
1037
1038 static int
1039 insert (struct mailname *np)
1040 {
1041 struct mailname *mp;
1042
1043 if (np->m_mbox == NULL)
1044 return 0;
1045
1046 for (mp = np->m_type == LOCALHOST ? &localaddrs
1047 : np->m_type == UUCPHOST ? &uuaddrs
1048 : &netaddrs;
1049 mp->m_next;
1050 mp = mp->m_next)
1051 if (!mh_strcasecmp (np->m_host, mp->m_next->m_host)
1052 && !mh_strcasecmp (np->m_mbox, mp->m_next->m_mbox)
1053 && np->m_bcc == mp->m_next->m_bcc)
1054 return 0;
1055
1056 mp->m_next = np;
1057 recipients++;
1058 return 1;
1059 }
1060
1061
1062 static void
1063 pl (void)
1064 {
1065 int i;
1066 struct mailname *mp;
1067
1068 printf ("-------\n\t-- Addresses --\nlocal:\t");
1069 for (mp = localaddrs.m_next; mp; mp = mp->m_next)
1070 printf ("%s%s%s", mp->m_mbox,
1071 mp->m_bcc ? "[BCC]" : "",
1072 mp->m_next ? ",\n\t" : "");
1073
1074 printf ("\nnet:\t");
1075 for (mp = netaddrs.m_next; mp; mp = mp->m_next)
1076 printf ("%s%s@%s%s%s", mp->m_path ? mp->m_path : "",
1077 mp->m_mbox, mp->m_host,
1078 mp->m_bcc ? "[BCC]" : "",
1079 mp->m_next ? ",\n\t" : "");
1080
1081 printf ("\nuucp:\t");
1082 for (mp = uuaddrs.m_next; mp; mp = mp->m_next)
1083 printf ("%s!%s%s%s", mp->m_host, mp->m_mbox,
1084 mp->m_bcc ? "[BCC]" : "",
1085 mp->m_next ? ",\n\t" : "");
1086
1087 printf ("\n\t-- Folder Copies --\nfcc:\t");
1088 for (i = 0; i < fccind; i++)
1089 printf ("%s%s", fccfold[i], i + 1 < fccind ? ",\n\t" : "");
1090 printf ("\n");
1091 }
1092
1093
1094 static void
1095 anno (void)
1096 {
1097 struct mailname *mp;
1098
1099 for (mp = localaddrs.m_next; mp; mp = mp->m_next)
1100 if (annoaux (mp) == NOTOK)
1101 goto oops;
1102
1103 for (mp = netaddrs.m_next; mp; mp = mp->m_next)
1104 if (annoaux (mp) == NOTOK)
1105 goto oops;
1106
1107 for (mp = uuaddrs.m_next; mp; mp = mp->m_next)
1108 if (annoaux (mp) == NOTOK)
1109 break;
1110
1111 oops: ;
1112 close (pfd);
1113 pfd = NOTOK;
1114 }
1115
1116
1117 static int
1118 annoaux (struct mailname *mp)
1119 {
1120 int i;
1121 char buffer[BUFSIZ];
1122
1123 snprintf (buffer, sizeof(buffer), "%s\n", adrformat (mp));
1124 i = strlen (buffer);
1125
1126 return (write (pfd, buffer, i) == i ? OK : NOTOK);
1127 }
1128
1129
1130 static void
1131 insert_fcc (struct headers *hdr, char *pp)
1132 {
1133 char *cp;
1134
1135 for (cp = pp; isspace (*cp); cp++)
1136 continue;
1137 for (pp += strlen (pp) - 1; pp > cp && isspace (*pp); pp--)
1138 continue;
1139 if (pp >= cp)
1140 *++pp = 0;
1141 if (*cp == 0)
1142 return;
1143
1144 if (fccind >= FCCS)
1145 adios (NULL, "too many %ss", hdr->value);
1146 fccfold[fccind++] = getcpy (cp);
1147 }
1148
1149 /*
1150 * BCC GENERATION
1151 */
1152
1153 static void
1154 make_bcc_file (int dashstuff)
1155 {
1156 int fd, i;
1157 pid_t child_id;
1158 char *vec[6];
1159 FILE *out;
1160
1161 strncpy (bccfil, m_tmpfil ("bccs"), sizeof(bccfil));
1162 if ((out = fopen (bccfil, "w")) == NULL)
1163 adios (bccfil, "unable to create");
1164 chmod (bccfil, 0600);
1165
1166 fprintf (out, "Date: %s\n", dtime (&tclock, 0));
1167 if (msgid)
1168 fprintf (out, "Message-ID: <%d.%ld@%s>\n",
1169 (int) getpid (), (long) tclock, LocalName ());
1170 if (msgflags & MFRM) {
1171 /* There was already a From: in the draft. Don't add one. */
1172 if (!draft_from_masquerading)
1173 /* mts.conf didn't contain "masquerade:[...]draft_from[...]"
1174 so we'll reveal the user's actual account@thismachine
1175 address in a Sender: header (and use it as the envelope
1176 From: later). */
1177 fprintf (out, "Sender: %s\n", from);
1178 }
1179 else
1180 /* Construct a From: header. */
1181 fprintf (out, "From: %s\n", signature);
1182 if (subject)
1183 fprintf (out, "Subject: %s", subject);
1184 fprintf (out, "BCC:\n");
1185
1186 /*
1187 * Use MIME encapsulation for Bcc messages
1188 */
1189 if (mime) {
1190 char *cp;
1191
1192 /*
1193 * Check if any lines in the message clash with the
1194 * prefix for the MIME multipart separator. If there
1195 * is a clash, increment one of the letters in the
1196 * prefix and check again.
1197 */
1198 if ((cp = strchr(prefix, 'a')) == NULL)
1199 adios (NULL, "lost prefix start");
1200 while (find_prefix () == NOTOK) {
1201 if (*cp < 'z')
1202 (*cp)++;
1203 else
1204 if (*++cp == 0)
1205 adios (NULL, "can't find a unique delimiter string");
1206 else
1207 (*cp)++;
1208 }
1209
1210 fprintf (out, "%s: %s\n%s: multipart/digest; boundary=\"",
1211 VRSN_FIELD, VRSN_VALUE, TYPE_FIELD);
1212 fprintf (out, "%s\"\n\n--%s\n\n", prefix, prefix);
1213 } else {
1214 fprintf (out, "\n------- Blind-Carbon-Copy\n\n");
1215 }
1216
1217 fflush (out);
1218
1219 /*
1220 * Do mhl filtering of Bcc messages instead
1221 * of MIME encapsulation.
1222 */
1223 if (filter != NULL) {
1224 vec[0] = r1bindex (mhlproc, '/');
1225
1226 for (i = 0; (child_id = fork()) == NOTOK && i < 5; i++)
1227 sleep (5);
1228 switch (child_id) {
1229 case NOTOK:
1230 adios ("fork", "unable to");
1231
1232 case OK:
1233 dup2 (fileno (out), 1);
1234
1235 i = 1;
1236 vec[i++] = "-forward";
1237 vec[i++] = "-form";
1238 vec[i++] = filter;
1239 vec[i++] = tmpfil;
1240
1241 /* was the flag -[no]dashstuffing specified? */
1242 if (dashstuff > 0)
1243 vec[i++] = "-dashstuffing";
1244 else if (dashstuff < 0)
1245 vec[i++] = "-nodashstuffing";
1246 vec[i] = NULL;
1247
1248 execvp (mhlproc, vec);
1249 fprintf (stderr, "unable to exec ");
1250 perror (mhlproc);
1251 _exit (-1);
1252
1253 default:
1254 pidXwait (child_id, mhlproc);
1255 break;
1256 }
1257 } else {
1258 if ((fd = open (tmpfil, O_RDONLY)) == NOTOK)
1259 adios (tmpfil, "unable to re-open");
1260
1261 /*
1262 * If using MIME encapsulation, or if the -nodashstuffing
1263 * flag was given, then just copy message. Else do
1264 * RFC934 quoting (dashstuffing).
1265 */
1266 if (mime || dashstuff < 0)
1267 cpydata (fd, fileno (out), tmpfil, bccfil);
1268 else
1269 cpydgst (fd, fileno (out), tmpfil, bccfil);
1270 close (fd);
1271 }
1272
1273 fseek (out, 0L, SEEK_END);
1274 if (mime)
1275 fprintf (out, "\n--%s--\n", prefix);
1276 else
1277 fprintf (out, "\n------- End of Blind-Carbon-Copy\n");
1278 fclose (out);
1279 }
1280
1281
1282 /*
1283 * Scan message to check if any lines clash with
1284 * the prefix of the MIME multipart separator.
1285 */
1286
1287 static int
1288 find_prefix (void)
1289 {
1290 int len, result;
1291 char buffer[BUFSIZ];
1292 FILE *in;
1293
1294 if ((in = fopen (tmpfil, "r")) == NULL)
1295 adios (tmpfil, "unable to re-open");
1296
1297 len = strlen (prefix);
1298
1299 result = OK;
1300 while (fgets (buffer, sizeof(buffer) - 1, in))
1301 if (buffer[0] == '-' && buffer[1] == '-') {
1302 char *cp;
1303
1304 for (cp = buffer + strlen (buffer) - 1; cp >= buffer; cp--)
1305 if (!isspace (*cp))
1306 break;
1307 *++cp = '\0';
1308 if (strcmp (buffer + 2, prefix) == 0) {
1309 result = NOTOK;
1310 break;
1311 }
1312 }
1313
1314 fclose (in);
1315 return result;
1316 }
1317
1318
1319 #define plural(x) (x == 1 ? "" : "s")
1320
1321 static void
1322 chkadr (void)
1323 {
1324 if (badadr && unkadr)
1325 die (NULL, "%d address%s unparsable, %d addressee%s undeliverable",
1326 badadr, plural (badadr), unkadr, plural (badadr));
1327 if (badadr)
1328 die (NULL, "%d address%s unparsable", badadr, plural (badadr));
1329 if (unkadr)
1330 die (NULL, "%d addressee%s undeliverable", unkadr, plural (unkadr));
1331 }
1332
1333
1334 static void
1335 do_addresses (int bccque, int talk)
1336 {
1337 int retval;
1338 int state;
1339 struct mailname *lp;
1340
1341 state = 0;
1342 for (lp = localaddrs.m_next; lp; lp = lp->m_next)
1343 if (lp->m_bcc ? bccque : !bccque) {
1344 if (talk && !state)
1345 printf (" -- Local Recipients --\n");
1346 do_an_address (lp, talk);
1347 state++;
1348 }
1349
1350 state = 0;
1351 for (lp = uuaddrs.m_next; lp; lp = lp->m_next)
1352 if (lp->m_bcc ? bccque : !bccque) {
1353 if (talk && !state)
1354 printf (" -- UUCP Recipients --\n");
1355 do_an_address (lp, talk);
1356 state++;
1357 }
1358
1359 state = 0;
1360 for (lp = netaddrs.m_next; lp; lp = lp->m_next)
1361 if (lp->m_bcc ? bccque : !bccque) {
1362 if (talk && !state)
1363 printf (" -- Network Recipients --\n");
1364 do_an_address (lp, talk);
1365 state++;
1366 }
1367
1368 chkadr ();
1369
1370 #ifdef SMTPMTS
1371 if (rp_isbad (retval = sm_waend ()))
1372 die (NULL, "problem ending addresses; %s", rp_string (retval));
1373 #endif /* SMTPMTS */
1374 }
1375
1376
1377 /*
1378 * MTS-SPECIFIC INTERACTION
1379 */
1380
1381
1382 /*
1383 * SENDMAIL/SMTP routines
1384 */
1385
1386 #ifdef SMTPMTS
1387
1388 static void
1389 post (char *file, int bccque, int talk)
1390 {
1391 int fd, onex;
1392 int retval;
1393
1394 onex = !(msgflags & MINV) || bccque;
1395 if (verbose) {
1396 if (msgflags & MINV)
1397 printf (" -- Posting for %s Recipients --\n",
1398 bccque ? "Blind" : "Sighted");
1399 else
1400 printf (" -- Posting for All Recipients --\n");
1401 }
1402
1403 sigon ();
1404
1405 if (rp_isbad (retval = sm_init (clientsw, serversw, watch, verbose,
1406 snoop, onex, queued, sasl, saslmech,
1407 user))
1408 || rp_isbad (retval = sm_winit (smtpmode, from)))
1409 die (NULL, "problem initializing server; %s", rp_string (retval));
1410
1411 do_addresses (bccque, talk && verbose);
1412 if ((fd = open (file, O_RDONLY)) == NOTOK)
1413 die (file, "unable to re-open");
1414 do_text (file, fd);
1415 close (fd);
1416 fflush (stdout);
1417
1418 sm_end (onex ? OK : DONE);
1419 sigoff ();
1420
1421 if (verbose) {
1422 if (msgflags & MINV)
1423 printf (" -- %s Recipient Copies Posted --\n",
1424 bccque ? "Blind" : "Sighted");
1425 else
1426 printf (" -- Recipient Copies Posted --\n");
1427 }
1428
1429 fflush (stdout);
1430 }
1431
1432
1433 /* Address Verification */
1434
1435 static void
1436 verify_all_addresses (int talk)
1437 {
1438 int retval;
1439 struct mailname *lp;
1440
1441 sigon ();
1442
1443 if (!whomsw || checksw)
1444 if (rp_isbad (retval = sm_init (clientsw, serversw, watch, verbose, snoop, 0,
1445 queued, sasl, saslmech, user))
1446 || rp_isbad (retval = sm_winit (smtpmode, from)))
1447 die (NULL, "problem initializing server; %s", rp_string (retval));
1448
1449 if (talk && !whomsw)
1450 printf (" -- Address Verification --\n");
1451 if (talk && localaddrs.m_next)
1452 printf (" -- Local Recipients --\n");
1453 for (lp = localaddrs.m_next; lp; lp = lp->m_next)
1454 do_an_address (lp, talk);
1455
1456 if (talk && uuaddrs.m_next)
1457 printf (" -- UUCP Recipients --\n");
1458 for (lp = uuaddrs.m_next; lp; lp = lp->m_next)
1459 do_an_address (lp, talk);
1460
1461 if (talk && netaddrs.m_next)
1462 printf (" -- Network Recipients --\n");
1463 for (lp = netaddrs.m_next; lp; lp = lp->m_next)
1464 do_an_address (lp, talk);
1465
1466 chkadr ();
1467 if (talk && !whomsw)
1468 printf (" -- Address Verification Successful --\n");
1469
1470 if (!whomsw || checksw)
1471 sm_end (DONE);
1472
1473 fflush (stdout);
1474 sigoff ();
1475 }
1476
1477
1478 static void
1479 do_an_address (struct mailname *lp, int talk)
1480 {
1481 int retval;
1482 char *mbox, *host;
1483 char addr[BUFSIZ];
1484
1485 switch (lp->m_type) {
1486 case LOCALHOST:
1487 mbox = lp->m_mbox;
1488 host = lp->m_host;
1489 strncpy (addr, mbox, sizeof(addr));
1490 break;
1491
1492 case UUCPHOST:
1493 mbox = auxformat (lp, 0);
1494 host = NULL;
1495 snprintf (addr, sizeof(addr), "%s!%s", lp->m_host, lp->m_mbox);
1496 break;
1497
1498 default: /* let SendMail decide if the host is bad */
1499 mbox = lp->m_mbox;
1500 host = lp->m_host;
1501 snprintf (addr, sizeof(addr), "%s at %s", mbox, host);
1502 break;
1503 }
1504
1505 if (talk)
1506 printf (" %s%s", addr, whomsw && lp->m_bcc ? "[BCC]" : "");
1507
1508 if (whomsw && !checksw) {
1509 putchar ('\n');
1510 return;
1511 }
1512 if (talk)
1513 printf (": ");
1514 fflush (stdout);
1515
1516 switch (retval = sm_wadr (mbox, host,
1517 lp->m_type != UUCPHOST ? lp->m_path : NULL)) {
1518 case RP_OK:
1519 if (talk)
1520 printf ("address ok\n");
1521 break;
1522
1523 case RP_NO:
1524 case RP_USER:
1525 if (!talk)
1526 fprintf (stderr, " %s: ", addr);
1527 fprintf (talk ? stdout : stderr, "loses; %s\n",
1528 rp_string (retval));
1529 unkadr++;
1530 break;
1531
1532 default:
1533 if (!talk)
1534 fprintf (stderr, " %s: ", addr);
1535 die (NULL, "unexpected response; %s", rp_string (retval));
1536 }
1537
1538 fflush (stdout);
1539 }
1540
1541
1542 static void
1543 do_text (char *file, int fd)
1544 {
1545 int retval, state;
1546 char buf[BUFSIZ];
1547
1548 lseek (fd, (off_t) 0, SEEK_SET);
1549
1550 while ((state = read (fd, buf, sizeof(buf))) > 0) {
1551 if (rp_isbad (retval = sm_wtxt (buf, state)))
1552 die (NULL, "problem writing text; %s\n", rp_string (retval));
1553 }
1554
1555 if (state == NOTOK)
1556 die (file, "problem reading from");
1557
1558 switch (retval = sm_wtend ()) {
1559 case RP_OK:
1560 break;
1561
1562 case RP_NO:
1563 case RP_NDEL:
1564 die (NULL, "posting failed; %s", rp_string (retval));
1565
1566 default:
1567 die (NULL, "unexpected response; %s", rp_string (retval));
1568 }
1569 }
1570
1571 #endif /* SMTPMTS */
1572
1573
1574 /*
1575 * SIGNAL HANDLING
1576 */
1577
1578 static RETSIGTYPE
1579 sigser (int i)
1580 {
1581 #ifndef RELIABLE_SIGNALS
1582 SIGNAL (i, SIG_IGN);
1583 #endif
1584
1585 unlink (tmpfil);
1586 if (msgflags & MINV)
1587 unlink (bccfil);
1588
1589 #ifdef SMTPMTS
1590 if (!whomsw || checksw)
1591 sm_end (NOTOK);
1592 #endif /* SMTPMTS */
1593
1594 done (1);
1595 }
1596
1597
1598 static void
1599 sigon (void)
1600 {
1601 if (debug)
1602 return;
1603
1604 hstat = SIGNAL2 (SIGHUP, sigser);
1605 istat = SIGNAL2 (SIGINT, sigser);
1606 qstat = SIGNAL2 (SIGQUIT, sigser);
1607 tstat = SIGNAL2 (SIGTERM, sigser);
1608 }
1609
1610
1611 static void
1612 sigoff (void)
1613 {
1614 if (debug)
1615 return;
1616
1617 SIGNAL (SIGHUP, hstat);
1618 SIGNAL (SIGINT, istat);
1619 SIGNAL (SIGQUIT, qstat);
1620 SIGNAL (SIGTERM, tstat);
1621 }
1622
1623 /*
1624 * FCC INTERACTION
1625 */
1626
1627 static void
1628 p_refile (char *file)
1629 {
1630 int i;
1631
1632 if (fccind == 0)
1633 return;
1634
1635 if (verbose)
1636 printf (" -- Filing Folder Copies --\n");
1637 for (i = 0; i < fccind; i++)
1638 fcc (file, fccfold[i]);
1639 if (verbose)
1640 printf (" -- Folder Copies Filed --\n");
1641 }
1642
1643
1644 /*
1645 * Call the `fileproc' to add the file to the folder.
1646 */
1647
1648 static void
1649 fcc (char *file, char *folder)
1650 {
1651 pid_t child_id;
1652 int i, status;
1653 char fold[BUFSIZ];
1654
1655 if (verbose)
1656 printf (" %sFcc %s: ", msgstate == RESENT ? "Resent-" : "", folder);
1657 fflush (stdout);
1658
1659 for (i = 0; (child_id = fork ()) == NOTOK && i < 5; i++)
1660 sleep (5);
1661
1662 switch (child_id) {
1663 case NOTOK:
1664 if (!verbose)
1665 fprintf (stderr, " %sFcc %s: ",
1666 msgstate == RESENT ? "Resent-" : "", folder);
1667 fprintf (verbose ? stdout : stderr, "no forks, so not ok\n");
1668 break;
1669
1670 case OK:
1671 /* see if we need to add `+' */
1672 snprintf (fold, sizeof(fold), "%s%s",
1673 *folder == '+' || *folder == '@' ? "" : "+", folder);
1674
1675 /* now exec the fileproc */
1676 execlp (fileproc, r1bindex (fileproc, '/'),
1677 "-link", "-file", file, fold, NULL);
1678 _exit (-1);
1679
1680 default:
1681 if ((status = pidwait (child_id, OK))) {
1682 if (!verbose)
1683 fprintf (stderr, " %sFcc %s: ",
1684 msgstate == RESENT ? "Resent-" : "", folder);
1685 pidstatus (status, verbose ? stdout : stderr, NULL);
1686 } else {
1687 if (verbose)
1688 printf ("folder ok\n");
1689 }
1690 }
1691
1692 fflush (stdout);
1693 }
1694
1695 /*
1696 * TERMINATION
1697 */
1698
1699 static void
1700 die (char *what, char *fmt, ...)
1701 {
1702 va_list ap;
1703
1704 unlink (tmpfil);
1705 if (msgflags & MINV)
1706 unlink (bccfil);
1707
1708 #ifdef SMTPMTS
1709 if (!whomsw || checksw)
1710 sm_end (NOTOK);
1711 #endif /* SMTPMTS */
1712
1713 va_start(ap, fmt);
1714 advertise (what, NULL, fmt, ap);
1715 va_end(ap);
1716 done (1);
1717 }
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