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Sigh. I put the documentation about the -tls switch in the long description,
[nmh] / uip / post.c
1
2 /*
3 * post.c -- enter messages into the mail transport system
4 *
5 * This code is Copyright (c) 2002, by the authors of nmh. See the
6 * COPYRIGHT file in the root directory of the nmh distribution for
7 * complete copyright information.
8 */
9
10 #include <h/mh.h>
11 #include <fcntl.h>
12 #include <h/signals.h>
13 #include <h/addrsbr.h>
14 #include <h/aliasbr.h>
15 #include <h/dropsbr.h>
16 #include <h/mime.h>
17 #include <h/utils.h>
18
19 #include <h/tws.h>
20 #include <h/mts.h>
21
22 #include <errno.h>
23 #include <setjmp.h>
24 #include <signal.h>
25
26 #ifdef TIME_WITH_SYS_TIME
27 # include <sys/time.h>
28 # include <time.h>
29 #else
30 # ifdef TM_IN_SYS_TIME
31 # include <sys/time.h>
32 # else
33 # include <time.h>
34 # endif
35 #endif
36
37 #ifdef SMTPMTS
38 # include <mts/smtp/smtp.h>
39 #endif
40
41 #ifndef CYRUS_SASL
42 # define SASLminc(a) (a)
43 #else /* CYRUS_SASL */
44 # define SASLminc(a) 0
45 #endif /* CYRUS_SASL */
46
47 #ifndef TLS_SUPPORT
48 # define TLSminc(a) (a)
49 #else /* TLS_SUPPORT */
50 # define TLSminc(a) 0
51 #endif /* TLS_SUPPORT */
52
53 #define FCCS 10 /* max number of fccs allowed */
54
55 #define uptolow(c) ((isalpha(c) && isupper (c)) ? tolower (c) : c)
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 #define SASLSW 37
140 { "sasl", SASLminc(-4) },
141 #define SASLMECHSW 38
142 { "saslmech", SASLminc(-5) },
143 #define USERSW 39
144 { "user", SASLminc(-4) },
145 #define PORTSW 40
146 { "port server port name/number", 4 },
147 #define TLSSW 41
148 { "tls", TLSminc(-3) },
149 { NULL, 0 }
150 };
151
152
153 struct headers {
154 char *value;
155 unsigned int flags;
156 unsigned int set;
157 };
158
159 /*
160 * flags for headers->flags
161 */
162 #define HNOP 0x0000 /* just used to keep .set around */
163 #define HBAD 0x0001 /* bad header - don't let it through */
164 #define HADR 0x0002 /* header has an address field */
165 #define HSUB 0x0004 /* Subject: header */
166 #define HTRY 0x0008 /* try to send to addrs on header */
167 #define HBCC 0x0010 /* don't output this header */
168 #define HMNG 0x0020 /* munge this header */
169 #define HNGR 0x0040 /* no groups allowed in this header */
170 #define HFCC 0x0080 /* FCC: type header */
171 #define HNIL 0x0100 /* okay for this header not to have addrs */
172 #define HIGN 0x0200 /* ignore this header */
173 #define HDCC 0x0400 /* another undocumented feature */
174
175 /*
176 * flags for headers->set
177 */
178 #define MFRM 0x0001 /* we've seen a From: */
179 #define MDAT 0x0002 /* we've seen a Date: */
180 #define MRFM 0x0004 /* we've seen a Resent-From: */
181 #define MVIS 0x0008 /* we've seen sighted addrs */
182 #define MINV 0x0010 /* we've seen blind addrs */
183
184
185 static struct headers NHeaders[] = {
186 { "Return-Path", HBAD, 0 },
187 { "Received", HBAD, 0 },
188 { "Reply-To", HADR|HNGR, 0 },
189 { "From", HADR|HNGR, MFRM },
190 { "Sender", HADR|HBAD, 0 },
191 { "Date", HBAD, 0 },
192 { "Subject", HSUB, 0 },
193 { "To", HADR|HTRY, MVIS },
194 { "cc", HADR|HTRY, MVIS },
195 { "Bcc", HADR|HTRY|HBCC|HNIL, MINV },
196 { "Dcc", HADR|HTRY|HDCC|HNIL, MVIS }, /* sorta cc & bcc combined */
197 { "Message-ID", HBAD, 0 },
198 { "Fcc", HFCC, 0 },
199 { NULL, 0, 0 }
200 };
201
202 static struct headers RHeaders[] = {
203 { "Resent-Reply-To", HADR|HNGR, 0 },
204 { "Resent-From", HADR|HNGR, MRFM },
205 { "Resent-Sender", HADR|HBAD, 0 },
206 { "Resent-Date", HBAD, 0 },
207 { "Resent-Subject", HSUB, 0 },
208 { "Resent-To", HADR|HTRY, MVIS },
209 { "Resent-cc", HADR|HTRY, MVIS },
210 { "Resent-Bcc", HADR|HTRY|HBCC, MINV },
211 { "Resent-Message-ID", HBAD, 0 },
212 { "Resent-Fcc", HFCC, 0 },
213 { "Reply-To", HADR, 0 },
214 { "From", HADR|HNGR, MFRM },
215 { "Sender", HADR|HNGR, 0 },
216 { "Date", HNOP, MDAT },
217 { "To", HADR|HNIL, 0 },
218 { "cc", HADR|HNIL, 0 },
219 { "Bcc", HADR|HTRY|HBCC|HNIL, 0 },
220 { "Fcc", HIGN, 0 },
221 { NULL, 0, 0 }
222 };
223
224 static short fccind = 0; /* index into fccfold[] */
225 static short outputlinelen = OUTPUTLINELEN;
226
227 static int pfd = NOTOK; /* fd to write annotation list to */
228 static uid_t myuid= -1; /* my user id */
229 static gid_t mygid= -1; /* my group id */
230 static int recipients = 0; /* how many people will get a copy */
231 static int unkadr = 0; /* how many of those were unknown */
232 static int badadr = 0; /* number of bad addrs */
233 static int badmsg = 0; /* message has bad semantics */
234 static int verbose = 0; /* spell it out */
235 static int format = 1; /* format addresses */
236 static int mime = 0; /* use MIME-style encapsulations for Bcc */
237 static int msgid = 0; /* add msgid */
238 static int debug = 0; /* debugging post */
239 static int watch = 0; /* watch the delivery process */
240 static int whomsw = 0; /* we are whom not post */
241 static int checksw = 0; /* whom -check */
242 static int linepos=0; /* putadr()'s position on the line */
243 static int nameoutput=0; /* putadr() has output header name */
244 static int sasl=0; /* Use SASL auth for SMTP */
245 static char *saslmech=NULL; /* Force use of particular SASL mech */
246 static char *user=NULL; /* Authenticate as this user */
247 static char *port="smtp"; /* Name of server port for SMTP */
248 static int tls=0; /* Use TLS for encryption */
249
250 static unsigned msgflags = 0; /* what we've seen */
251
252 #define NORMAL 0
253 #define RESENT 1
254 static int msgstate = NORMAL;
255
256 static time_t tclock = 0; /* the time we started (more or less) */
257
258 static SIGNAL_HANDLER hstat, istat, qstat, tstat;
259
260 static char tmpfil[BUFSIZ];
261 static char bccfil[BUFSIZ];
262
263 static char from[BUFSIZ]; /* my network address */
264 static char signature[BUFSIZ]; /* my signature */
265 static char *filter = NULL; /* the filter for BCC'ing */
266 static char *subject = NULL; /* the subject field for BCC'ing */
267 static char *fccfold[FCCS]; /* foldernames for FCC'ing */
268
269 static struct headers *hdrtab; /* table for the message we're doing */
270
271 static struct mailname localaddrs={NULL}; /* local addrs */
272 static struct mailname netaddrs={NULL}; /* network addrs */
273 static struct mailname uuaddrs={NULL}; /* uucp addrs */
274 static struct mailname tmpaddrs={NULL}; /* temporary queue */
275
276 #ifdef SMTPMTS
277 static int snoop = 0;
278 static int smtpmode = S_MAIL;
279 static char *clientsw = NULL;
280 static char *serversw = NULL;
281
282 extern struct smtp sm_reply;
283 #endif /* SMTPMTS */
284
285 static char prefix[] = "----- =_aaaaaaaaaa";
286
287 static int fill_up = 0;
288 static char *fill_in = NULL;
289 static char *partno = NULL;
290 static int queued = 0;
291
292 extern boolean draft_from_masquerading; /* defined in mts.c */
293
294 /*
295 * static prototypes
296 */
297 static void putfmt (char *, char *, FILE *);
298 static void start_headers (void);
299 static void finish_headers (FILE *);
300 static int get_header (char *, struct headers *);
301 static int putadr (char *, char *, struct mailname *, FILE *, unsigned int);
302 static void putgrp (char *, char *, FILE *, unsigned int);
303 static int insert (struct mailname *);
304 static void pl (void);
305 static void anno (void);
306 static int annoaux (struct mailname *);
307 static void insert_fcc (struct headers *, unsigned char *);
308 static void make_bcc_file (int);
309 static void verify_all_addresses (int);
310 static void chkadr (void);
311 static void sigon (void);
312 static void sigoff (void);
313 static void p_refile (char *);
314 static void fcc (char *, char *);
315 static void die (char *, char *, ...);
316 static void post (char *, int, int);
317 static void do_text (char *file, int fd);
318 static void do_an_address (struct mailname *, int);
319 static void do_addresses (int, int);
320 static int find_prefix (void);
321
322
323 int
324 main (int argc, char **argv)
325 {
326 int state, compnum, dashstuff = 0;
327 char *cp, *msg = NULL, **argp, **arguments;
328 char buf[BUFSIZ], name[NAMESZ];
329 FILE *in, *out;
330
331 #ifdef LOCALE
332 setlocale(LC_ALL, "");
333 #endif
334 invo_name = r1bindex (argv[0], '/');
335
336 /* foil search of user profile/context */
337 if (context_foil (NULL) == -1)
338 done (1);
339
340 mts_init (invo_name);
341 arguments = getarguments (invo_name, argc, argv, 0);
342 argp = arguments;
343
344 while ((cp = *argp++)) {
345 if (*cp == '-') {
346 switch (smatch (++cp, switches)) {
347 case AMBIGSW:
348 ambigsw (cp, switches);
349 done (1);
350 case UNKWNSW:
351 adios (NULL, "-%s unknown", cp);
352
353 case HELPSW:
354 snprintf (buf, sizeof(buf), "%s [switches] file", invo_name);
355 print_help (buf, switches, 0);
356 done (1);
357 case VERSIONSW:
358 print_version(invo_name);
359 done (1);
360
361 case LIBSW:
362 if (!(cp = *argp++) || *cp == '-')
363 adios (NULL, "missing argument to %s", argp[-2]);
364 /* create a minimal context */
365 if (context_foil (cp) == -1)
366 done (1);
367 continue;
368
369 case ALIASW:
370 if (!(cp = *argp++) || *cp == '-')
371 adios (NULL, "missing argument to %s", argp[-2]);
372 if ((state = alias (cp)) != AK_OK)
373 adios (NULL, "aliasing error in %s - %s",
374 cp, akerror (state));
375 continue;
376
377 case CHKSW:
378 checksw++;
379 continue;
380 case NCHKSW:
381 checksw = 0;
382 continue;
383
384 case DEBUGSW:
385 debug++;
386 continue;
387
388 case DISTSW:
389 msgstate = RESENT;
390 continue;
391
392 case FILTSW:
393 if (!(filter = *argp++) || *filter == '-')
394 adios (NULL, "missing argument to %s", argp[-2]);
395 mime = 0;
396 continue;
397 case NFILTSW:
398 filter = NULL;
399 continue;
400
401 case FRMTSW:
402 format++;
403 continue;
404 case NFRMTSW:
405 format = 0;
406 continue;
407
408 case BITSTUFFSW:
409 dashstuff = 1;
410 continue;
411 case NBITSTUFFSW:
412 dashstuff = -1;
413 continue;
414
415 case MIMESW:
416 mime++;
417 filter = NULL;
418 continue;
419 case NMIMESW:
420 mime = 0;
421 continue;
422
423 case MSGDSW:
424 msgid++;
425 continue;
426 case NMSGDSW:
427 msgid = 0;
428 continue;
429
430 case VERBSW:
431 verbose++;
432 continue;
433 case NVERBSW:
434 verbose = 0;
435 continue;
436
437 case WATCSW:
438 watch++;
439 continue;
440 case NWATCSW:
441 watch = 0;
442 continue;
443
444 case WHOMSW:
445 whomsw++;
446 continue;
447
448 case WIDTHSW:
449 if (!(cp = *argp++) || *cp == '-')
450 adios (NULL, "missing argument to %s", argp[-2]);
451 if ((outputlinelen = atoi (cp)) < 10)
452 adios (NULL, "impossible width %d", outputlinelen);
453 continue;
454
455 case ANNOSW:
456 if (!(cp = *argp++) || *cp == '-')
457 adios (NULL, "missing argument to %s", argp[-2]);
458 if ((pfd = atoi (cp)) <= 2)
459 adios (NULL, "bad argument %s %s", argp[-2], cp);
460 continue;
461
462 case DLVRSW:
463 if (!(cp = *argp++) || *cp == '-')
464 adios (NULL, "missing argument to %s", argp[-2]);
465 continue;
466
467 #ifndef SMTPMTS
468 case CLIESW:
469 case SERVSW:
470 if (!(cp = *argp++) || *cp == '-')
471 adios (NULL, "missing argument to %s", argp[-2]);
472 continue;
473
474 case SNOOPSW:
475 continue;
476 #else /* SMTPMTS */
477 case MAILSW:
478 smtpmode = S_MAIL;
479 continue;
480 case SAMLSW:
481 smtpmode = S_SAML;
482 continue;
483 case SOMLSW:
484 smtpmode = S_SOML;
485 continue;
486 case SENDSW:
487 smtpmode = S_SEND;
488 continue;
489 case CLIESW:
490 if (!(clientsw = *argp++) || *clientsw == '-')
491 adios (NULL, "missing argument to %s", argp[-2]);
492 continue;
493 case SERVSW:
494 if (!(serversw = *argp++) || *serversw == '-')
495 adios (NULL, "missing argument to %s", argp[-2]);
496 continue;
497 case SNOOPSW:
498 snoop++;
499 continue;
500 #endif /* SMTPMTS */
501
502 case FILLSW:
503 if (!(fill_in = *argp++) || *fill_in == '-')
504 adios (NULL, "missing argument to %s", argp[-2]);
505 continue;
506 case FILLUSW:
507 fill_up++;
508 continue;
509 case PARTSW:
510 if (!(partno = *argp++) || *partno == '-')
511 adios (NULL, "missing argument to %s", argp[-2]);
512 continue;
513
514 case QUEUESW:
515 queued++;
516 continue;
517
518 case SASLSW:
519 sasl++;
520 continue;
521
522 case SASLMECHSW:
523 if (!(saslmech = *argp++) || *saslmech == '-')
524 adios (NULL, "missing argument to %s", argp[-2]);
525 continue;
526
527 case USERSW:
528 if (!(user = *argp++) || *user == '-')
529 adios (NULL, "missing argument to %s", argp[-2]);
530 continue;
531
532 case PORTSW:
533 if (!(port = *argp++) || *port == '-')
534 adios (NULL, "missing argument to %s", argp[-2]);
535 continue;
536
537 case TLSSW:
538 tls++;
539 continue;
540 }
541 }
542 if (msg)
543 adios (NULL, "only one message at a time!");
544 else
545 msg = cp;
546 }
547
548 alias (AliasFile);
549
550 if (!msg)
551 adios (NULL, "usage: %s [switches] file", invo_name);
552
553 if (outputlinelen < 10)
554 adios (NULL, "impossible width %d", outputlinelen);
555
556 if ((in = fopen (msg, "r")) == NULL)
557 adios (msg, "unable to open");
558
559 start_headers ();
560 if (debug) {
561 verbose++;
562 discard (out = stdout); /* XXX: reference discard() to help loader */
563 } else {
564 if (whomsw) {
565 if ((out = fopen (fill_in ? fill_in : "/dev/null", "w")) == NULL)
566 adios ("/dev/null", "unable to open");
567 } else {
568 char *cp = m_mktemp(m_maildir(invo_name), NULL, &out);
569 if (cp == NULL) {
570 cp = m_mktemp2(NULL, invo_name, NULL, &out);
571 if (cp == NULL) {
572 adios ("post", "unable to create temporary file");
573 }
574 }
575 strncpy(tmpfil, cp, sizeof(tmpfil));
576 chmod (tmpfil, 0600);
577 }
578 }
579
580 hdrtab = msgstate == NORMAL ? NHeaders : RHeaders;
581
582 for (compnum = 1, state = FLD;;) {
583 switch (state = m_getfld (state, name, buf, sizeof(buf), in)) {
584 case FLD:
585 case FLDEOF:
586 case FLDPLUS:
587 compnum++;
588 cp = add (buf, NULL);
589 while (state == FLDPLUS) {
590 state = m_getfld (state, name, buf, sizeof(buf), in);
591 cp = add (buf, cp);
592 }
593 putfmt (name, cp, out);
594 free (cp);
595 if (state != FLDEOF)
596 continue;
597 finish_headers (out);
598 break;
599
600 case BODY:
601 case BODYEOF:
602 finish_headers (out);
603 if (whomsw && !fill_in)
604 break;
605 fprintf (out, "\n%s", buf);
606 while (state == BODY) {
607 state = m_getfld (state, name, buf, sizeof(buf), in);
608 fputs (buf, out);
609 }
610 break;
611
612 case FILEEOF:
613 finish_headers (out);
614 break;
615
616 case LENERR:
617 case FMTERR:
618 adios (NULL, "message format error in component #%d", compnum);
619
620 default:
621 adios (NULL, "getfld() returned %d", state);
622 }
623 break;
624 }
625
626 if (pfd != NOTOK)
627 anno ();
628 fclose (in);
629
630 if (debug) {
631 pl ();
632 done (0);
633 } else {
634 fclose (out);
635 }
636
637 /* If we are doing a "whom" check */
638 if (whomsw) {
639 if (!fill_up)
640 verify_all_addresses (1);
641 done (0);
642 }
643
644 if (msgflags & MINV) {
645 make_bcc_file (dashstuff);
646 if (msgflags & MVIS) {
647 verify_all_addresses (verbose);
648 post (tmpfil, 0, verbose);
649 }
650 post (bccfil, 1, verbose);
651 unlink (bccfil);
652 } else {
653 post (tmpfil, 0, isatty (1));
654 }
655
656 p_refile (tmpfil);
657 unlink (tmpfil);
658
659 if (verbose)
660 printf (partno ? "Partial Message #%s Processed\n" : "Message Processed\n",
661 partno);
662 done (0);
663 return 1;
664 }
665
666
667 /*
668 * DRAFT GENERATION
669 */
670
671 static void
672 putfmt (char *name, char *str, FILE *out)
673 {
674 int count, grp, i, keep;
675 char *cp, *pp, *qp;
676 char namep[BUFSIZ];
677 struct mailname *mp = NULL, *np = NULL;
678 struct headers *hdr;
679
680 while (*str == ' ' || *str == '\t')
681 str++;
682
683 if (msgstate == NORMAL && uprf (name, "resent")) {
684 advise (NULL, "illegal header line -- %s:", name);
685 badmsg++;
686 return;
687 }
688
689 if ((i = get_header (name, hdrtab)) == NOTOK) {
690 fprintf (out, "%s: %s", name, str);
691 return;
692 }
693
694 hdr = &hdrtab[i];
695 if (hdr->flags & HIGN) {
696 if (fill_in)
697 fprintf (out, "%s: %s", name, str);
698 return;
699 }
700 if (hdr->flags & HBAD) {
701 if (fill_in)
702 fprintf (out, "%s: %s", name, str);
703 else {
704 advise (NULL, "illegal header line -- %s:", name);
705 badmsg++;
706 }
707 return;
708 }
709 msgflags |= (hdr->set & ~(MVIS | MINV));
710
711 if (hdr->flags & HSUB)
712 subject = subject ? add (str, add ("\t", subject)) : getcpy (str);
713 if (hdr->flags & HFCC) {
714 if (fill_in) {
715 fprintf (out, "%s: %s", name, str);
716 return;
717 }
718
719 if ((cp = strrchr(str, '\n')))
720 *cp = 0;
721 for (cp = pp = str; (cp = strchr(pp, ',')); pp = cp) {
722 *cp++ = 0;
723 insert_fcc (hdr, pp);
724 }
725 insert_fcc (hdr, pp);
726 return;
727 }
728
729 if (!(hdr->flags & HADR)) {
730 fprintf (out, "%s: %s", name, str);
731 return;
732 }
733
734 tmpaddrs.m_next = NULL;
735 for (count = 0; (cp = getname (str)); count++)
736 if ((mp = getm (cp, NULL, 0, AD_HOST, NULL))) {
737 if (tmpaddrs.m_next)
738 np->m_next = mp;
739 else
740 tmpaddrs.m_next = mp;
741 np = mp;
742 }
743 else
744 if (hdr->flags & HTRY)
745 badadr++;
746 else
747 badmsg++;
748
749 if (count < 1) {
750 if (hdr->flags & HNIL)
751 fprintf (out, "%s: %s", name, str);
752 else {
753 #ifdef notdef
754 advise (NULL, "%s: field requires at least one address", name);
755 badmsg++;
756 #endif /* notdef */
757 }
758 return;
759 }
760
761 nameoutput = linepos = 0;
762 snprintf (namep, sizeof(namep), "%s%s",
763 !fill_in && (hdr->flags & HMNG) ? "Original-" : "", name);
764
765 for (grp = 0, mp = tmpaddrs.m_next; mp; mp = np)
766 if (mp->m_nohost) { /* also used to test (hdr->flags & HTRY) */
767 /* The address doesn't include a host, so it might be an alias. */
768 pp = akvalue (mp->m_mbox); /* do mh alias substitution */
769 qp = akvisible () ? mp->m_mbox : "";
770 np = mp;
771 if (np->m_gname)
772 putgrp (namep, np->m_gname, out, hdr->flags);
773 while ((cp = getname (pp))) {
774 if (!(mp = getm (cp, NULL, 0, AD_HOST, NULL))) {
775 badadr++;
776 continue;
777 }
778
779 if (draft_from_masquerading && ((msgstate == RESENT)
780 ? (hdr->set & MRFM)
781 : (hdr->set & MFRM)))
782 /* The user manually specified a [Resent-]From: address in
783 their draft and the "masquerade:" line in mts.conf
784 doesn't contain "draft_from", so we'll set things up to
785 use the actual email address embedded in the draft
786 [Resent-]From: (after alias substitution, and without the
787 GECOS full name or angle brackets) as the envelope
788 From:. */
789 strncpy(from, auxformat(mp, 0), sizeof(from) - 1);
790
791 if (hdr->flags & HBCC)
792 mp->m_bcc++;
793 if (np->m_ingrp)
794 mp->m_ingrp = np->m_ingrp;
795 else
796 if (mp->m_gname)
797 putgrp (namep, mp->m_gname, out, hdr->flags);
798 if (mp->m_ingrp)
799 grp++;
800 if (putadr (namep, qp, mp, out, hdr->flags))
801 msgflags |= (hdr->set & (MVIS | MINV));
802 else
803 mnfree (mp);
804 }
805 mp = np;
806 np = np->m_next;
807 mnfree (mp);
808 }
809 else {
810 /* Address includes a host, so no alias substitution is needed. */
811 if (draft_from_masquerading && ((msgstate == RESENT)
812 ? (hdr->set & MRFM)
813 : (hdr->set & MFRM)))
814 /* The user manually specified a [Resent-]From: address in
815 their draft and the "masquerade:" line in mts.conf
816 doesn't contain "draft_from", so we'll set things up to
817 use the actual email address embedded in the draft
818 [Resent-]From: (after alias substitution, and without the
819 GECOS full name or angle brackets) as the envelope
820 From:. */
821 strncpy(from, auxformat(mp, 0), sizeof(from) - 1);
822
823 if (hdr->flags & HBCC)
824 mp->m_bcc++;
825 if (mp->m_gname)
826 putgrp (namep, mp->m_gname, out, hdr->flags);
827 if (mp->m_ingrp)
828 grp++;
829 keep = putadr (namep, "", mp, out, hdr->flags);
830 np = mp->m_next;
831 if (keep) {
832 mp->m_next = NULL;
833 msgflags |= (hdr->set & (MVIS | MINV));
834 }
835 else
836 mnfree (mp);
837 }
838
839 if (grp > 0 && (hdr->flags & HNGR)) {
840 advise (NULL, "%s: field does not allow groups", name);
841 badmsg++;
842 }
843 if (linepos) {
844 if (fill_in && grp > 0)
845 putc (';', out);
846 putc ('\n', out);
847 }
848 }
849
850
851 static void
852 start_headers (void)
853 {
854 unsigned char *cp;
855 char myhost[BUFSIZ], sigbuf[BUFSIZ];
856 struct mailname *mp;
857
858 myuid = getuid ();
859 mygid = getgid ();
860 time (&tclock);
861
862 strncpy (from, adrsprintf (NULL, NULL), sizeof(from));
863 strncpy (myhost, LocalName (), sizeof(myhost));
864
865 for (cp = myhost; *cp; cp++)
866 *cp = uptolow (*cp);
867
868 if ((cp = getfullname ()) && *cp) {
869 strncpy (sigbuf, cp, sizeof(sigbuf));
870 snprintf (signature, sizeof(signature), "%s <%s>",
871 sigbuf, adrsprintf (NULL, NULL));
872 if ((cp = getname (signature)) == NULL)
873 adios (NULL, "getname () failed -- you lose extraordinarily big");
874 if ((mp = getm (cp, NULL, 0, AD_HOST, NULL)) == NULL)
875 adios (NULL, "bad signature '%s'", sigbuf);
876 mnfree (mp);
877 while (getname (""))
878 continue;
879 } else {
880 strncpy (signature, adrsprintf (NULL, NULL), sizeof(signature));
881 }
882 }
883
884
885 /*
886 * Now that we've outputted the header fields in the draft
887 * message, we will now output any remaining header fields
888 * that we need to add/create.
889 */
890
891 static void
892 finish_headers (FILE *out)
893 {
894 switch (msgstate) {
895 case NORMAL:
896 if (whomsw && !fill_up)
897 break;
898
899 fprintf (out, "Date: %s\n", dtime (&tclock, 0));
900 if (msgid)
901 fprintf (out, "Message-ID: <%d.%ld@%s>\n",
902 (int) getpid (), (long) tclock, LocalName ());
903 if (msgflags & MFRM) {
904 /* There was already a From: in the draft. Don't add one. */
905 if (!draft_from_masquerading)
906 /* mts.conf didn't contain "masquerade:[...]draft_from[...]"
907 so we'll reveal the user's actual account@thismachine
908 address in a Sender: header (and use it as the envelope
909 From: later). */
910 fprintf (out, "Sender: %s\n", from);
911 }
912 else
913 /* Construct a From: header. */
914 fprintf (out, "From: %s\n", signature);
915 if (whomsw)
916 break;
917
918 if (!(msgflags & MVIS))
919 fprintf (out, "Bcc: Blind Distribution List: ;\n");
920 break;
921
922 case RESENT:
923 if (!(msgflags & MDAT)) {
924 advise (NULL, "message has no Date: header");
925 badmsg++;
926 }
927 if (!(msgflags & MFRM)) {
928 advise (NULL, "message has no From: header");
929 badmsg++;
930 }
931 if (whomsw && !fill_up)
932 break;
933
934 fprintf (out, "Resent-Date: %s\n", dtime (&tclock, 0));
935 if (msgid)
936 fprintf (out, "Resent-Message-ID: <%d.%ld@%s>\n",
937 (int) getpid (), (long) tclock, LocalName ());
938 if (msgflags & MRFM) {
939 /* There was already a Resent-From: in draft. Don't add one. */
940 if (!draft_from_masquerading)
941 /* mts.conf didn't contain "masquerade:[...]draft_from[...]"
942 so we'll reveal the user's actual account@thismachine
943 address in a Sender: header (and use it as the envelope
944 From: later). */
945 fprintf (out, "Resent-Sender: %s\n", from);
946 }
947 else
948 /* Construct a Resent-From: header. */
949 fprintf (out, "Resent-From: %s\n", signature);
950 if (whomsw)
951 break;
952 if (!(msgflags & MVIS))
953 fprintf (out, "Resent-Bcc: Blind Re-Distribution List: ;\n");
954 break;
955 }
956
957 if (badmsg)
958 adios (NULL, "re-format message and try again");
959 if (!recipients)
960 adios (NULL, "no addressees");
961 }
962
963
964 static int
965 get_header (char *header, struct headers *table)
966 {
967 struct headers *h;
968
969 for (h = table; h->value; h++)
970 if (!mh_strcasecmp (header, h->value))
971 return (h - table);
972
973 return NOTOK;
974 }
975
976
977 static int
978 putadr (char *name, char *aka, struct mailname *mp, FILE *out, unsigned int flags)
979 {
980 int len;
981 char *cp;
982 char buffer[BUFSIZ];
983
984 if (mp->m_mbox == NULL || ((flags & HTRY) && !insert (mp)))
985 return 0;
986 if ((!fill_in && (flags & (HBCC | HDCC))) || mp->m_ingrp)
987 return 1;
988
989 if (!nameoutput) {
990 fprintf (out, "%s: ", name);
991 linepos += (nameoutput = strlen (name) + 2);
992 }
993
994 if (*aka && mp->m_type != UUCPHOST && !mp->m_pers)
995 mp->m_pers = getcpy (aka);
996 if (format) {
997 if (mp->m_gname && !fill_in) {
998 snprintf (buffer, sizeof(buffer), "%s;", mp->m_gname);
999 cp = buffer;
1000 } else {
1001 cp = adrformat (mp);
1002 }
1003 } else {
1004 cp = mp->m_text;
1005 }
1006 len = strlen (cp);
1007
1008 if (linepos != nameoutput) {
1009 if (len + linepos + 2 > outputlinelen)
1010 fprintf (out, ",\n%*s", linepos = nameoutput, "");
1011 else {
1012 fputs (", ", out);
1013 linepos += 2;
1014 }
1015 }
1016
1017 fputs (cp, out);
1018 linepos += len;
1019
1020 return (flags & HTRY);
1021 }
1022
1023
1024 static void
1025 putgrp (char *name, char *group, FILE *out, unsigned int flags)
1026 {
1027 int len;
1028 char *cp;
1029
1030 if (!fill_in && (flags & HBCC))
1031 return;
1032
1033 if (!nameoutput) {
1034 fprintf (out, "%s: ", name);
1035 linepos += (nameoutput = strlen (name) + 2);
1036 if (fill_in)
1037 linepos -= strlen (group);
1038 }
1039
1040 cp = fill_in ? group : concat (group, ";", NULL);
1041 len = strlen (cp);
1042
1043 if (linepos > nameoutput) {
1044 if (len + linepos + 2 > outputlinelen) {
1045 fprintf (out, ",\n%*s", nameoutput, "");
1046 linepos = nameoutput;
1047 }
1048 else {
1049 fputs (", ", out);
1050 linepos += 2;
1051 }
1052 }
1053
1054 fputs (cp, out);
1055 linepos += len;
1056 }
1057
1058
1059 static int
1060 insert (struct mailname *np)
1061 {
1062 struct mailname *mp;
1063
1064 if (np->m_mbox == NULL)
1065 return 0;
1066
1067 for (mp = np->m_type == LOCALHOST ? &localaddrs
1068 : np->m_type == UUCPHOST ? &uuaddrs
1069 : &netaddrs;
1070 mp->m_next;
1071 mp = mp->m_next)
1072 if (!mh_strcasecmp (np->m_host, mp->m_next->m_host)
1073 && !mh_strcasecmp (np->m_mbox, mp->m_next->m_mbox)
1074 && np->m_bcc == mp->m_next->m_bcc)
1075 return 0;
1076
1077 mp->m_next = np;
1078 recipients++;
1079 return 1;
1080 }
1081
1082
1083 static void
1084 pl (void)
1085 {
1086 int i;
1087 struct mailname *mp;
1088
1089 printf ("-------\n\t-- Addresses --\nlocal:\t");
1090 for (mp = localaddrs.m_next; mp; mp = mp->m_next)
1091 printf ("%s%s%s", mp->m_mbox,
1092 mp->m_bcc ? "[BCC]" : "",
1093 mp->m_next ? ",\n\t" : "");
1094
1095 printf ("\nnet:\t");
1096 for (mp = netaddrs.m_next; mp; mp = mp->m_next)
1097 printf ("%s%s@%s%s%s", mp->m_path ? mp->m_path : "",
1098 mp->m_mbox, mp->m_host,
1099 mp->m_bcc ? "[BCC]" : "",
1100 mp->m_next ? ",\n\t" : "");
1101
1102 printf ("\nuucp:\t");
1103 for (mp = uuaddrs.m_next; mp; mp = mp->m_next)
1104 printf ("%s!%s%s%s", mp->m_host, mp->m_mbox,
1105 mp->m_bcc ? "[BCC]" : "",
1106 mp->m_next ? ",\n\t" : "");
1107
1108 printf ("\n\t-- Folder Copies --\nfcc:\t");
1109 for (i = 0; i < fccind; i++)
1110 printf ("%s%s", fccfold[i], i + 1 < fccind ? ",\n\t" : "");
1111 printf ("\n");
1112 }
1113
1114
1115 static void
1116 anno (void)
1117 {
1118 struct mailname *mp;
1119
1120 for (mp = localaddrs.m_next; mp; mp = mp->m_next)
1121 if (annoaux (mp) == NOTOK)
1122 goto oops;
1123
1124 for (mp = netaddrs.m_next; mp; mp = mp->m_next)
1125 if (annoaux (mp) == NOTOK)
1126 goto oops;
1127
1128 for (mp = uuaddrs.m_next; mp; mp = mp->m_next)
1129 if (annoaux (mp) == NOTOK)
1130 break;
1131
1132 oops: ;
1133 close (pfd);
1134 pfd = NOTOK;
1135 }
1136
1137
1138 static int
1139 annoaux (struct mailname *mp)
1140 {
1141 int i;
1142 char buffer[BUFSIZ];
1143
1144 snprintf (buffer, sizeof(buffer), "%s\n", adrformat (mp));
1145 i = strlen (buffer);
1146
1147 return (write (pfd, buffer, i) == i ? OK : NOTOK);
1148 }
1149
1150
1151 static void
1152 insert_fcc (struct headers *hdr, unsigned char *pp)
1153 {
1154 unsigned char *cp;
1155
1156 for (cp = pp; isspace (*cp); cp++)
1157 continue;
1158 for (pp += strlen (pp) - 1; pp > cp && isspace (*pp); pp--)
1159 continue;
1160 if (pp >= cp)
1161 *++pp = 0;
1162 if (*cp == 0)
1163 return;
1164
1165 if (fccind >= FCCS)
1166 adios (NULL, "too many %ss", hdr->value);
1167 fccfold[fccind++] = getcpy (cp);
1168 }
1169
1170 /*
1171 * BCC GENERATION
1172 */
1173
1174 static void
1175 make_bcc_file (int dashstuff)
1176 {
1177 int fd, i;
1178 pid_t child_id;
1179 char *vec[6];
1180 FILE *out;
1181 char *tfile = NULL;
1182
1183 tfile = m_mktemp2(NULL, "bccs", NULL, &out);
1184 if (tfile == NULL) adios("bcc", "unable to create temporary file");
1185 chmod (bccfil, 0600);
1186 strncpy (bccfil, tfile, sizeof(bccfil));
1187
1188 fprintf (out, "Date: %s\n", dtime (&tclock, 0));
1189 if (msgid)
1190 fprintf (out, "Message-ID: <%d.%ld@%s>\n",
1191 (int) getpid (), (long) tclock, LocalName ());
1192 if (msgflags & MFRM) {
1193 /* There was already a From: in the draft. Don't add one. */
1194 if (!draft_from_masquerading)
1195 /* mts.conf didn't contain "masquerade:[...]draft_from[...]"
1196 so we'll reveal the user's actual account@thismachine
1197 address in a Sender: header (and use it as the envelope
1198 From: later). */
1199 fprintf (out, "Sender: %s\n", from);
1200 }
1201 else
1202 /* Construct a From: header. */
1203 fprintf (out, "From: %s\n", signature);
1204 if (subject)
1205 fprintf (out, "Subject: %s", subject);
1206 fprintf (out, "BCC:\n");
1207
1208 /*
1209 * Use MIME encapsulation for Bcc messages
1210 */
1211 if (mime) {
1212 char *cp;
1213
1214 /*
1215 * Check if any lines in the message clash with the
1216 * prefix for the MIME multipart separator. If there
1217 * is a clash, increment one of the letters in the
1218 * prefix and check again.
1219 */
1220 if ((cp = strchr(prefix, 'a')) == NULL)
1221 adios (NULL, "lost prefix start");
1222 while (find_prefix () == NOTOK) {
1223 if (*cp < 'z')
1224 (*cp)++;
1225 else
1226 if (*++cp == 0)
1227 adios (NULL, "can't find a unique delimiter string");
1228 else
1229 (*cp)++;
1230 }
1231
1232 fprintf (out, "%s: %s\n%s: multipart/digest; boundary=\"",
1233 VRSN_FIELD, VRSN_VALUE, TYPE_FIELD);
1234 fprintf (out, "%s\"\n\n--%s\n\n", prefix, prefix);
1235 } else {
1236 fprintf (out, "\n------- Blind-Carbon-Copy\n\n");
1237 }
1238
1239 fflush (out);
1240
1241 /*
1242 * Do mhl filtering of Bcc messages instead
1243 * of MIME encapsulation.
1244 */
1245 if (filter != NULL) {
1246 vec[0] = r1bindex (mhlproc, '/');
1247
1248 for (i = 0; (child_id = fork()) == NOTOK && i < 5; i++)
1249 sleep (5);
1250 switch (child_id) {
1251 case NOTOK:
1252 adios ("fork", "unable to");
1253
1254 case OK:
1255 dup2 (fileno (out), 1);
1256
1257 i = 1;
1258 vec[i++] = "-forward";
1259 vec[i++] = "-form";
1260 vec[i++] = filter;
1261 vec[i++] = tmpfil;
1262
1263 /* was the flag -[no]dashstuffing specified? */
1264 if (dashstuff > 0)
1265 vec[i++] = "-dashstuffing";
1266 else if (dashstuff < 0)
1267 vec[i++] = "-nodashstuffing";
1268 vec[i] = NULL;
1269
1270 execvp (mhlproc, vec);
1271 fprintf (stderr, "unable to exec ");
1272 perror (mhlproc);
1273 _exit (-1);
1274
1275 default:
1276 pidXwait (child_id, mhlproc);
1277 break;
1278 }
1279 } else {
1280 if ((fd = open (tmpfil, O_RDONLY)) == NOTOK)
1281 adios (tmpfil, "unable to re-open");
1282
1283 /*
1284 * If using MIME encapsulation, or if the -nodashstuffing
1285 * flag was given, then just copy message. Else do
1286 * RFC934 quoting (dashstuffing).
1287 */
1288 if (mime || dashstuff < 0)
1289 cpydata (fd, fileno (out), tmpfil, bccfil);
1290 else
1291 cpydgst (fd, fileno (out), tmpfil, bccfil);
1292 close (fd);
1293 }
1294
1295 fseek (out, 0L, SEEK_END);
1296 if (mime)
1297 fprintf (out, "\n--%s--\n", prefix);
1298 else
1299 fprintf (out, "\n------- End of Blind-Carbon-Copy\n");
1300 fclose (out);
1301 }
1302
1303
1304 /*
1305 * Scan message to check if any lines clash with
1306 * the prefix of the MIME multipart separator.
1307 */
1308
1309 static int
1310 find_prefix (void)
1311 {
1312 int result = OK;
1313 unsigned char buffer[BUFSIZ];
1314 FILE *in;
1315
1316 if ((in = fopen (tmpfil, "r")) == NULL)
1317 adios (tmpfil, "unable to re-open");
1318
1319 while (fgets (buffer, sizeof(buffer) - 1, in))
1320 if (buffer[0] == '-' && buffer[1] == '-') {
1321 unsigned char *cp;
1322
1323 for (cp = buffer + strlen (buffer) - 1; cp >= buffer; cp--)
1324 if (!isspace (*cp))
1325 break;
1326 *++cp = '\0';
1327 if (strcmp (buffer + 2, prefix) == 0) {
1328 result = NOTOK;
1329 break;
1330 }
1331 }
1332
1333 fclose (in);
1334 return result;
1335 }
1336
1337
1338 #define plural(x) (x == 1 ? "" : "s")
1339
1340 static void
1341 chkadr (void)
1342 {
1343 if (badadr && unkadr)
1344 die (NULL, "%d address%s unparsable, %d addressee%s undeliverable",
1345 badadr, plural (badadr), unkadr, plural (badadr));
1346 if (badadr)
1347 die (NULL, "%d address%s unparsable", badadr, plural (badadr));
1348 if (unkadr)
1349 die (NULL, "%d addressee%s undeliverable", unkadr, plural (unkadr));
1350 }
1351
1352
1353 static void
1354 do_addresses (int bccque, int talk)
1355 {
1356 int retval;
1357 int state;
1358 struct mailname *lp;
1359
1360 state = 0;
1361 for (lp = localaddrs.m_next; lp; lp = lp->m_next)
1362 if (lp->m_bcc ? bccque : !bccque) {
1363 if (talk && !state)
1364 printf (" -- Local Recipients --\n");
1365 do_an_address (lp, talk);
1366 state++;
1367 }
1368
1369 state = 0;
1370 for (lp = uuaddrs.m_next; lp; lp = lp->m_next)
1371 if (lp->m_bcc ? bccque : !bccque) {
1372 if (talk && !state)
1373 printf (" -- UUCP Recipients --\n");
1374 do_an_address (lp, talk);
1375 state++;
1376 }
1377
1378 state = 0;
1379 for (lp = netaddrs.m_next; lp; lp = lp->m_next)
1380 if (lp->m_bcc ? bccque : !bccque) {
1381 if (talk && !state)
1382 printf (" -- Network Recipients --\n");
1383 do_an_address (lp, talk);
1384 state++;
1385 }
1386
1387 chkadr ();
1388
1389 #ifdef SMTPMTS
1390 if (rp_isbad (retval = sm_waend ()))
1391 die (NULL, "problem ending addresses; %s", rp_string (retval));
1392 #endif /* SMTPMTS */
1393 }
1394
1395
1396 /*
1397 * MTS-SPECIFIC INTERACTION
1398 */
1399
1400
1401 /*
1402 * SENDMAIL/SMTP routines
1403 */
1404
1405 #ifdef SMTPMTS
1406
1407 static void
1408 post (char *file, int bccque, int talk)
1409 {
1410 int fd, onex;
1411 int retval;
1412
1413 onex = !(msgflags & MINV) || bccque;
1414 if (verbose) {
1415 if (msgflags & MINV)
1416 printf (" -- Posting for %s Recipients --\n",
1417 bccque ? "Blind" : "Sighted");
1418 else
1419 printf (" -- Posting for All Recipients --\n");
1420 }
1421
1422 sigon ();
1423
1424 if (rp_isbad (retval = sm_init (clientsw, serversw, port, watch, verbose,
1425 snoop, onex, queued, sasl, saslmech,
1426 user, tls))
1427 || rp_isbad (retval = sm_winit (smtpmode, from)))
1428 die (NULL, "problem initializing server; %s", rp_string (retval));
1429
1430 do_addresses (bccque, talk && verbose);
1431 if ((fd = open (file, O_RDONLY)) == NOTOK)
1432 die (file, "unable to re-open");
1433 do_text (file, fd);
1434 close (fd);
1435 fflush (stdout);
1436
1437 sm_end (onex ? OK : DONE);
1438 sigoff ();
1439
1440 if (verbose) {
1441 if (msgflags & MINV)
1442 printf (" -- %s Recipient Copies Posted --\n",
1443 bccque ? "Blind" : "Sighted");
1444 else
1445 printf (" -- Recipient Copies Posted --\n");
1446 }
1447
1448 fflush (stdout);
1449 }
1450
1451
1452 /* Address Verification */
1453
1454 static void
1455 verify_all_addresses (int talk)
1456 {
1457 int retval;
1458 struct mailname *lp;
1459
1460 sigon ();
1461
1462 if (!whomsw || checksw)
1463 if (rp_isbad (retval = sm_init (clientsw, serversw, port, watch,
1464 verbose, snoop, 0, queued, sasl,
1465 saslmech, user, tls))
1466 || rp_isbad (retval = sm_winit (smtpmode, from)))
1467 die (NULL, "problem initializing server; %s", rp_string (retval));
1468
1469 if (talk && !whomsw)
1470 printf (" -- Address Verification --\n");
1471 if (talk && localaddrs.m_next)
1472 printf (" -- Local Recipients --\n");
1473 for (lp = localaddrs.m_next; lp; lp = lp->m_next)
1474 do_an_address (lp, talk);
1475
1476 if (talk && uuaddrs.m_next)
1477 printf (" -- UUCP Recipients --\n");
1478 for (lp = uuaddrs.m_next; lp; lp = lp->m_next)
1479 do_an_address (lp, talk);
1480
1481 if (talk && netaddrs.m_next)
1482 printf (" -- Network Recipients --\n");
1483 for (lp = netaddrs.m_next; lp; lp = lp->m_next)
1484 do_an_address (lp, talk);
1485
1486 chkadr ();
1487 if (talk && !whomsw)
1488 printf (" -- Address Verification Successful --\n");
1489
1490 if (!whomsw || checksw)
1491 sm_end (DONE);
1492
1493 fflush (stdout);
1494 sigoff ();
1495 }
1496
1497
1498 static void
1499 do_an_address (struct mailname *lp, int talk)
1500 {
1501 int retval;
1502 char *mbox, *host;
1503 char addr[BUFSIZ];
1504
1505 switch (lp->m_type) {
1506 case LOCALHOST:
1507 mbox = lp->m_mbox;
1508 host = lp->m_host;
1509 strncpy (addr, mbox, sizeof(addr));
1510 break;
1511
1512 case UUCPHOST:
1513 mbox = auxformat (lp, 0);
1514 host = NULL;
1515 snprintf (addr, sizeof(addr), "%s!%s", lp->m_host, lp->m_mbox);
1516 break;
1517
1518 default: /* let SendMail decide if the host is bad */
1519 mbox = lp->m_mbox;
1520 host = lp->m_host;
1521 snprintf (addr, sizeof(addr), "%s at %s", mbox, host);
1522 break;
1523 }
1524
1525 if (talk)
1526 printf (" %s%s", addr, whomsw && lp->m_bcc ? "[BCC]" : "");
1527
1528 if (whomsw && !checksw) {
1529 putchar ('\n');
1530 return;
1531 }
1532 if (talk)
1533 printf (": ");
1534 fflush (stdout);
1535
1536 switch (retval = sm_wadr (mbox, host,
1537 lp->m_type != UUCPHOST ? lp->m_path : NULL)) {
1538 case RP_OK:
1539 if (talk)
1540 printf ("address ok\n");
1541 break;
1542
1543 case RP_NO:
1544 case RP_USER:
1545 if (!talk)
1546 fprintf (stderr, " %s: ", addr);
1547 fprintf (talk ? stdout : stderr, "loses; %s\n",
1548 rp_string (retval));
1549 unkadr++;
1550 break;
1551
1552 default:
1553 if (!talk)
1554 fprintf (stderr, " %s: ", addr);
1555 die (NULL, "unexpected response; %s", rp_string (retval));
1556 }
1557
1558 fflush (stdout);
1559 }
1560
1561
1562 static void
1563 do_text (char *file, int fd)
1564 {
1565 int retval, state;
1566 char buf[BUFSIZ];
1567
1568 lseek (fd, (off_t) 0, SEEK_SET);
1569
1570 while ((state = read (fd, buf, sizeof(buf))) > 0) {
1571 if (rp_isbad (retval = sm_wtxt (buf, state)))
1572 die (NULL, "problem writing text; %s\n", rp_string (retval));
1573 }
1574
1575 if (state == NOTOK)
1576 die (file, "problem reading from");
1577
1578 switch (retval = sm_wtend ()) {
1579 case RP_OK:
1580 break;
1581
1582 case RP_NO:
1583 case RP_NDEL:
1584 die (NULL, "posting failed; %s", rp_string (retval));
1585
1586 default:
1587 die (NULL, "unexpected response; %s", rp_string (retval));
1588 }
1589 }
1590
1591 #endif /* SMTPMTS */
1592
1593
1594 /*
1595 * SIGNAL HANDLING
1596 */
1597
1598 static RETSIGTYPE
1599 sigser (int i)
1600 {
1601 #ifndef RELIABLE_SIGNALS
1602 SIGNAL (i, SIG_IGN);
1603 #endif
1604
1605 unlink (tmpfil);
1606 if (msgflags & MINV)
1607 unlink (bccfil);
1608
1609 #ifdef SMTPMTS
1610 if (!whomsw || checksw)
1611 sm_end (NOTOK);
1612 #endif /* SMTPMTS */
1613
1614 done (1);
1615 }
1616
1617
1618 static void
1619 sigon (void)
1620 {
1621 if (debug)
1622 return;
1623
1624 hstat = SIGNAL2 (SIGHUP, sigser);
1625 istat = SIGNAL2 (SIGINT, sigser);
1626 qstat = SIGNAL2 (SIGQUIT, sigser);
1627 tstat = SIGNAL2 (SIGTERM, sigser);
1628 }
1629
1630
1631 static void
1632 sigoff (void)
1633 {
1634 if (debug)
1635 return;
1636
1637 SIGNAL (SIGHUP, hstat);
1638 SIGNAL (SIGINT, istat);
1639 SIGNAL (SIGQUIT, qstat);
1640 SIGNAL (SIGTERM, tstat);
1641 }
1642
1643 /*
1644 * FCC INTERACTION
1645 */
1646
1647 static void
1648 p_refile (char *file)
1649 {
1650 int i;
1651
1652 if (fccind == 0)
1653 return;
1654
1655 if (verbose)
1656 printf (" -- Filing Folder Copies --\n");
1657 for (i = 0; i < fccind; i++)
1658 fcc (file, fccfold[i]);
1659 if (verbose)
1660 printf (" -- Folder Copies Filed --\n");
1661 }
1662
1663
1664 /*
1665 * Call the `fileproc' to add the file to the folder.
1666 */
1667
1668 static void
1669 fcc (char *file, char *folder)
1670 {
1671 pid_t child_id;
1672 int i, status;
1673 char fold[BUFSIZ];
1674
1675 if (verbose)
1676 printf (" %sFcc %s: ", msgstate == RESENT ? "Resent-" : "", folder);
1677 fflush (stdout);
1678
1679 for (i = 0; (child_id = fork ()) == NOTOK && i < 5; i++)
1680 sleep (5);
1681
1682 switch (child_id) {
1683 case NOTOK:
1684 if (!verbose)
1685 fprintf (stderr, " %sFcc %s: ",
1686 msgstate == RESENT ? "Resent-" : "", folder);
1687 fprintf (verbose ? stdout : stderr, "no forks, so not ok\n");
1688 break;
1689
1690 case OK:
1691 /* see if we need to add `+' */
1692 snprintf (fold, sizeof(fold), "%s%s",
1693 *folder == '+' || *folder == '@' ? "" : "+", folder);
1694
1695 /* now exec the fileproc */
1696 execlp (fileproc, r1bindex (fileproc, '/'),
1697 "-link", "-file", file, fold, NULL);
1698 _exit (-1);
1699
1700 default:
1701 if ((status = pidwait (child_id, OK))) {
1702 if (!verbose)
1703 fprintf (stderr, " %sFcc %s: ",
1704 msgstate == RESENT ? "Resent-" : "", folder);
1705 pidstatus (status, verbose ? stdout : stderr, NULL);
1706 } else {
1707 if (verbose)
1708 printf ("folder ok\n");
1709 }
1710 }
1711
1712 fflush (stdout);
1713 }
1714
1715 /*
1716 * TERMINATION
1717 */
1718
1719 static void
1720 die (char *what, char *fmt, ...)
1721 {
1722 va_list ap;
1723
1724 unlink (tmpfil);
1725 if (msgflags & MINV)
1726 unlink (bccfil);
1727
1728 #ifdef SMTPMTS
1729 if (!whomsw || checksw)
1730 sm_end (NOTOK);
1731 #endif /* SMTPMTS */
1732
1733 va_start(ap, fmt);
1734 advertise (what, NULL, fmt, ap);
1735 va_end(ap);
1736 done (1);
1737 }
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