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Feed fileproc and mhlproc from rcvdist, send, and whatnow to post.
[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 #define FILEPROCSW 42
150 { "fileproc", -4 },
151 #define MHLPROCSW 43
152 { "mhlproc", -3 },
153 { NULL, 0 }
154 };
155
156
157 struct headers {
158 char *value;
159 unsigned int flags;
160 unsigned int set;
161 };
162
163 /*
164 * flags for headers->flags
165 */
166 #define HNOP 0x0000 /* just used to keep .set around */
167 #define HBAD 0x0001 /* bad header - don't let it through */
168 #define HADR 0x0002 /* header has an address field */
169 #define HSUB 0x0004 /* Subject: header */
170 #define HTRY 0x0008 /* try to send to addrs on header */
171 #define HBCC 0x0010 /* don't output this header */
172 #define HMNG 0x0020 /* munge this header */
173 #define HNGR 0x0040 /* no groups allowed in this header */
174 #define HFCC 0x0080 /* FCC: type header */
175 #define HNIL 0x0100 /* okay for this header not to have addrs */
176 #define HIGN 0x0200 /* ignore this header */
177 #define HDCC 0x0400 /* another undocumented feature */
178
179 /*
180 * flags for headers->set
181 */
182 #define MFRM 0x0001 /* we've seen a From: */
183 #define MDAT 0x0002 /* we've seen a Date: */
184 #define MRFM 0x0004 /* we've seen a Resent-From: */
185 #define MVIS 0x0008 /* we've seen sighted addrs */
186 #define MINV 0x0010 /* we've seen blind addrs */
187
188
189 static struct headers NHeaders[] = {
190 { "Return-Path", HBAD, 0 },
191 { "Received", HBAD, 0 },
192 { "Reply-To", HADR|HNGR, 0 },
193 { "From", HADR|HNGR, MFRM },
194 { "Sender", HADR|HBAD, 0 },
195 { "Date", HBAD, 0 },
196 { "Subject", HSUB, 0 },
197 { "To", HADR|HTRY, MVIS },
198 { "cc", HADR|HTRY, MVIS },
199 { "Bcc", HADR|HTRY|HBCC|HNIL, MINV },
200 { "Dcc", HADR|HTRY|HDCC|HNIL, MVIS }, /* sorta cc & bcc combined */
201 { "Message-ID", HBAD, 0 },
202 { "Fcc", HFCC, 0 },
203 { NULL, 0, 0 }
204 };
205
206 static struct headers RHeaders[] = {
207 { "Resent-Reply-To", HADR|HNGR, 0 },
208 { "Resent-From", HADR|HNGR, MRFM },
209 { "Resent-Sender", HADR|HBAD, 0 },
210 { "Resent-Date", HBAD, 0 },
211 { "Resent-Subject", HSUB, 0 },
212 { "Resent-To", HADR|HTRY, MVIS },
213 { "Resent-cc", HADR|HTRY, MVIS },
214 { "Resent-Bcc", HADR|HTRY|HBCC, MINV },
215 { "Resent-Message-ID", HBAD, 0 },
216 { "Resent-Fcc", HFCC, 0 },
217 { "Reply-To", HADR, 0 },
218 { "From", HADR|HNGR, MFRM },
219 { "Sender", HADR|HNGR, 0 },
220 { "Date", HNOP, MDAT },
221 { "To", HADR|HNIL, 0 },
222 { "cc", HADR|HNIL, 0 },
223 { "Bcc", HADR|HTRY|HBCC|HNIL, 0 },
224 { "Fcc", HIGN, 0 },
225 { NULL, 0, 0 }
226 };
227
228 static short fccind = 0; /* index into fccfold[] */
229 static short outputlinelen = OUTPUTLINELEN;
230
231 static int pfd = NOTOK; /* fd to write annotation list to */
232 static uid_t myuid= -1; /* my user id */
233 static gid_t mygid= -1; /* my group id */
234 static int recipients = 0; /* how many people will get a copy */
235 static int unkadr = 0; /* how many of those were unknown */
236 static int badadr = 0; /* number of bad addrs */
237 static int badmsg = 0; /* message has bad semantics */
238 static int verbose = 0; /* spell it out */
239 static int format = 1; /* format addresses */
240 static int mime = 0; /* use MIME-style encapsulations for Bcc */
241 static int msgid = 0; /* add msgid */
242 static int debug = 0; /* debugging post */
243 static int watch = 0; /* watch the delivery process */
244 static int whomsw = 0; /* we are whom not post */
245 static int checksw = 0; /* whom -check */
246 static int linepos=0; /* putadr()'s position on the line */
247 static int nameoutput=0; /* putadr() has output header name */
248 static int sasl=0; /* Use SASL auth for SMTP */
249 static char *saslmech=NULL; /* Force use of particular SASL mech */
250 static char *user=NULL; /* Authenticate as this user */
251 static char *port="smtp"; /* Name of server port for SMTP */
252 static int tls=0; /* Use TLS for encryption */
253
254 static unsigned msgflags = 0; /* what we've seen */
255
256 #define NORMAL 0
257 #define RESENT 1
258 static int msgstate = NORMAL;
259
260 static time_t tclock = 0; /* the time we started (more or less) */
261
262 static SIGNAL_HANDLER hstat, istat, qstat, tstat;
263
264 static char tmpfil[BUFSIZ];
265 static char bccfil[BUFSIZ];
266
267 static char from[BUFSIZ]; /* my network address */
268 static char signature[BUFSIZ]; /* my signature */
269 static char *filter = NULL; /* the filter for BCC'ing */
270 static char *subject = NULL; /* the subject field for BCC'ing */
271 static char *fccfold[FCCS]; /* foldernames for FCC'ing */
272
273 static struct headers *hdrtab; /* table for the message we're doing */
274
275 static struct mailname localaddrs={NULL}; /* local addrs */
276 static struct mailname netaddrs={NULL}; /* network addrs */
277 static struct mailname uuaddrs={NULL}; /* uucp addrs */
278 static struct mailname tmpaddrs={NULL}; /* temporary queue */
279
280 #ifdef SMTPMTS
281 static int snoop = 0;
282 static int smtpmode = S_MAIL;
283 static char *clientsw = NULL;
284 static char *serversw = NULL;
285
286 extern struct smtp sm_reply;
287 #endif /* SMTPMTS */
288
289 static char prefix[] = "----- =_aaaaaaaaaa";
290
291 static int fill_up = 0;
292 static char *fill_in = NULL;
293 static char *partno = NULL;
294 static int queued = 0;
295
296 extern boolean draft_from_masquerading; /* defined in mts.c */
297
298 /*
299 * static prototypes
300 */
301 static void putfmt (char *, char *, FILE *);
302 static void start_headers (void);
303 static void finish_headers (FILE *);
304 static int get_header (char *, struct headers *);
305 static int putadr (char *, char *, struct mailname *, FILE *, unsigned int);
306 static void putgrp (char *, char *, FILE *, unsigned int);
307 static int insert (struct mailname *);
308 static void pl (void);
309 static void anno (void);
310 static int annoaux (struct mailname *);
311 static void insert_fcc (struct headers *, unsigned char *);
312 static void make_bcc_file (int);
313 static void verify_all_addresses (int);
314 static void chkadr (void);
315 static void sigon (void);
316 static void sigoff (void);
317 static void p_refile (char *);
318 static void fcc (char *, char *);
319 static void die (char *, char *, ...);
320 static void post (char *, int, int);
321 static void do_text (char *file, int fd);
322 static void do_an_address (struct mailname *, int);
323 static void do_addresses (int, int);
324 static int find_prefix (void);
325
326
327 int
328 main (int argc, char **argv)
329 {
330 int state, compnum, dashstuff = 0;
331 char *cp, *msg = NULL, **argp, **arguments;
332 char buf[BUFSIZ], name[NAMESZ];
333 FILE *in, *out;
334
335 #ifdef LOCALE
336 setlocale(LC_ALL, "");
337 #endif
338 invo_name = r1bindex (argv[0], '/');
339
340 /* foil search of user profile/context */
341 if (context_foil (NULL) == -1)
342 done (1);
343
344 mts_init (invo_name);
345 arguments = getarguments (invo_name, argc, argv, 0);
346 argp = arguments;
347
348 while ((cp = *argp++)) {
349 if (*cp == '-') {
350 switch (smatch (++cp, switches)) {
351 case AMBIGSW:
352 ambigsw (cp, switches);
353 done (1);
354 case UNKWNSW:
355 adios (NULL, "-%s unknown", cp);
356
357 case HELPSW:
358 snprintf (buf, sizeof(buf), "%s [switches] file", invo_name);
359 print_help (buf, switches, 0);
360 done (1);
361 case VERSIONSW:
362 print_version(invo_name);
363 done (1);
364
365 case LIBSW:
366 if (!(cp = *argp++) || *cp == '-')
367 adios (NULL, "missing argument to %s", argp[-2]);
368 /* create a minimal context */
369 if (context_foil (cp) == -1)
370 done (1);
371 continue;
372
373 case ALIASW:
374 if (!(cp = *argp++) || *cp == '-')
375 adios (NULL, "missing argument to %s", argp[-2]);
376 if ((state = alias (cp)) != AK_OK)
377 adios (NULL, "aliasing error in %s - %s",
378 cp, akerror (state));
379 continue;
380
381 case CHKSW:
382 checksw++;
383 continue;
384 case NCHKSW:
385 checksw = 0;
386 continue;
387
388 case DEBUGSW:
389 debug++;
390 continue;
391
392 case DISTSW:
393 msgstate = RESENT;
394 continue;
395
396 case FILTSW:
397 if (!(filter = *argp++) || *filter == '-')
398 adios (NULL, "missing argument to %s", argp[-2]);
399 mime = 0;
400 continue;
401 case NFILTSW:
402 filter = NULL;
403 continue;
404
405 case FRMTSW:
406 format++;
407 continue;
408 case NFRMTSW:
409 format = 0;
410 continue;
411
412 case BITSTUFFSW:
413 dashstuff = 1;
414 continue;
415 case NBITSTUFFSW:
416 dashstuff = -1;
417 continue;
418
419 case MIMESW:
420 mime++;
421 filter = NULL;
422 continue;
423 case NMIMESW:
424 mime = 0;
425 continue;
426
427 case MSGDSW:
428 msgid++;
429 continue;
430 case NMSGDSW:
431 msgid = 0;
432 continue;
433
434 case VERBSW:
435 verbose++;
436 continue;
437 case NVERBSW:
438 verbose = 0;
439 continue;
440
441 case WATCSW:
442 watch++;
443 continue;
444 case NWATCSW:
445 watch = 0;
446 continue;
447
448 case WHOMSW:
449 whomsw++;
450 continue;
451
452 case WIDTHSW:
453 if (!(cp = *argp++) || *cp == '-')
454 adios (NULL, "missing argument to %s", argp[-2]);
455 if ((outputlinelen = atoi (cp)) < 10)
456 adios (NULL, "impossible width %d", outputlinelen);
457 continue;
458
459 case ANNOSW:
460 if (!(cp = *argp++) || *cp == '-')
461 adios (NULL, "missing argument to %s", argp[-2]);
462 if ((pfd = atoi (cp)) <= 2)
463 adios (NULL, "bad argument %s %s", argp[-2], cp);
464 continue;
465
466 case DLVRSW:
467 if (!(cp = *argp++) || *cp == '-')
468 adios (NULL, "missing argument to %s", argp[-2]);
469 continue;
470
471 #ifndef SMTPMTS
472 case CLIESW:
473 case SERVSW:
474 if (!(cp = *argp++) || *cp == '-')
475 adios (NULL, "missing argument to %s", argp[-2]);
476 continue;
477
478 case SNOOPSW:
479 continue;
480 #else /* SMTPMTS */
481 case MAILSW:
482 smtpmode = S_MAIL;
483 continue;
484 case SAMLSW:
485 smtpmode = S_SAML;
486 continue;
487 case SOMLSW:
488 smtpmode = S_SOML;
489 continue;
490 case SENDSW:
491 smtpmode = S_SEND;
492 continue;
493 case CLIESW:
494 if (!(clientsw = *argp++) || *clientsw == '-')
495 adios (NULL, "missing argument to %s", argp[-2]);
496 continue;
497 case SERVSW:
498 if (!(serversw = *argp++) || *serversw == '-')
499 adios (NULL, "missing argument to %s", argp[-2]);
500 continue;
501 case SNOOPSW:
502 snoop++;
503 continue;
504 #endif /* SMTPMTS */
505
506 case FILLSW:
507 if (!(fill_in = *argp++) || *fill_in == '-')
508 adios (NULL, "missing argument to %s", argp[-2]);
509 continue;
510 case FILLUSW:
511 fill_up++;
512 continue;
513 case PARTSW:
514 if (!(partno = *argp++) || *partno == '-')
515 adios (NULL, "missing argument to %s", argp[-2]);
516 continue;
517
518 case QUEUESW:
519 queued++;
520 continue;
521
522 case SASLSW:
523 sasl++;
524 continue;
525
526 case SASLMECHSW:
527 if (!(saslmech = *argp++) || *saslmech == '-')
528 adios (NULL, "missing argument to %s", argp[-2]);
529 continue;
530
531 case USERSW:
532 if (!(user = *argp++) || *user == '-')
533 adios (NULL, "missing argument to %s", argp[-2]);
534 continue;
535
536 case PORTSW:
537 if (!(port = *argp++) || *port == '-')
538 adios (NULL, "missing argument to %s", argp[-2]);
539 continue;
540
541 case TLSSW:
542 tls++;
543 continue;
544
545 case FILEPROCSW:
546 if (!(cp = *argp++) || *cp == '-')
547 adios (NULL, "missing argument to %s", argp[-2]);
548 fileproc = cp;
549 continue;
550
551 case MHLPROCSW:
552 if (!(cp = *argp++) || *cp == '-')
553 adios (NULL, "missing argument to %s", argp[-2]);
554 mhlproc = cp;
555 continue;
556 }
557 }
558 if (msg)
559 adios (NULL, "only one message at a time!");
560 else
561 msg = cp;
562 }
563
564 alias (AliasFile);
565
566 if (!msg)
567 adios (NULL, "usage: %s [switches] file", invo_name);
568
569 if (outputlinelen < 10)
570 adios (NULL, "impossible width %d", outputlinelen);
571
572 if ((in = fopen (msg, "r")) == NULL)
573 adios (msg, "unable to open");
574
575 start_headers ();
576 if (debug) {
577 verbose++;
578 discard (out = stdout); /* XXX: reference discard() to help loader */
579 } else {
580 if (whomsw) {
581 if ((out = fopen (fill_in ? fill_in : "/dev/null", "w")) == NULL)
582 adios ("/dev/null", "unable to open");
583 } else {
584 char *cp = m_mktemp(m_maildir(invo_name), NULL, &out);
585 if (cp == NULL) {
586 cp = m_mktemp2(NULL, invo_name, NULL, &out);
587 if (cp == NULL) {
588 adios ("post", "unable to create temporary file");
589 }
590 }
591 strncpy(tmpfil, cp, sizeof(tmpfil));
592 chmod (tmpfil, 0600);
593 }
594 }
595
596 hdrtab = msgstate == NORMAL ? NHeaders : RHeaders;
597
598 for (compnum = 1, state = FLD;;) {
599 switch (state = m_getfld (state, name, buf, sizeof(buf), in)) {
600 case FLD:
601 case FLDEOF:
602 case FLDPLUS:
603 compnum++;
604 cp = add (buf, NULL);
605 while (state == FLDPLUS) {
606 state = m_getfld (state, name, buf, sizeof(buf), in);
607 cp = add (buf, cp);
608 }
609 putfmt (name, cp, out);
610 free (cp);
611 if (state != FLDEOF)
612 continue;
613 finish_headers (out);
614 break;
615
616 case BODY:
617 case BODYEOF:
618 finish_headers (out);
619 if (whomsw && !fill_in)
620 break;
621 fprintf (out, "\n%s", buf);
622 while (state == BODY) {
623 state = m_getfld (state, name, buf, sizeof(buf), in);
624 fputs (buf, out);
625 }
626 break;
627
628 case FILEEOF:
629 finish_headers (out);
630 break;
631
632 case LENERR:
633 case FMTERR:
634 adios (NULL, "message format error in component #%d", compnum);
635
636 default:
637 adios (NULL, "getfld() returned %d", state);
638 }
639 break;
640 }
641
642 if (pfd != NOTOK)
643 anno ();
644 fclose (in);
645
646 if (debug) {
647 pl ();
648 done (0);
649 } else {
650 fclose (out);
651 }
652
653 /* If we are doing a "whom" check */
654 if (whomsw) {
655 if (!fill_up)
656 verify_all_addresses (1);
657 done (0);
658 }
659
660 if (msgflags & MINV) {
661 make_bcc_file (dashstuff);
662 if (msgflags & MVIS) {
663 verify_all_addresses (verbose);
664 post (tmpfil, 0, verbose);
665 }
666 post (bccfil, 1, verbose);
667 unlink (bccfil);
668 } else {
669 post (tmpfil, 0, isatty (1));
670 }
671
672 p_refile (tmpfil);
673 unlink (tmpfil);
674
675 if (verbose)
676 printf (partno ? "Partial Message #%s Processed\n" : "Message Processed\n",
677 partno);
678 done (0);
679 return 1;
680 }
681
682
683 /*
684 * DRAFT GENERATION
685 */
686
687 static void
688 putfmt (char *name, char *str, FILE *out)
689 {
690 int count, grp, i, keep;
691 char *cp, *pp, *qp;
692 char namep[BUFSIZ];
693 struct mailname *mp = NULL, *np = NULL;
694 struct headers *hdr;
695
696 while (*str == ' ' || *str == '\t')
697 str++;
698
699 if (msgstate == NORMAL && uprf (name, "resent")) {
700 advise (NULL, "illegal header line -- %s:", name);
701 badmsg++;
702 return;
703 }
704
705 if ((i = get_header (name, hdrtab)) == NOTOK) {
706 fprintf (out, "%s: %s", name, str);
707 return;
708 }
709
710 hdr = &hdrtab[i];
711 if (hdr->flags & HIGN) {
712 if (fill_in)
713 fprintf (out, "%s: %s", name, str);
714 return;
715 }
716 if (hdr->flags & HBAD) {
717 if (fill_in)
718 fprintf (out, "%s: %s", name, str);
719 else {
720 advise (NULL, "illegal header line -- %s:", name);
721 badmsg++;
722 }
723 return;
724 }
725 msgflags |= (hdr->set & ~(MVIS | MINV));
726
727 if (hdr->flags & HSUB)
728 subject = subject ? add (str, add ("\t", subject)) : getcpy (str);
729 if (hdr->flags & HFCC) {
730 if (fill_in) {
731 fprintf (out, "%s: %s", name, str);
732 return;
733 }
734
735 if ((cp = strrchr(str, '\n')))
736 *cp = 0;
737 for (cp = pp = str; (cp = strchr(pp, ',')); pp = cp) {
738 *cp++ = 0;
739 insert_fcc (hdr, pp);
740 }
741 insert_fcc (hdr, pp);
742 return;
743 }
744
745 if (!(hdr->flags & HADR)) {
746 fprintf (out, "%s: %s", name, str);
747 return;
748 }
749
750 tmpaddrs.m_next = NULL;
751 for (count = 0; (cp = getname (str)); count++)
752 if ((mp = getm (cp, NULL, 0, AD_HOST, NULL))) {
753 if (tmpaddrs.m_next)
754 np->m_next = mp;
755 else
756 tmpaddrs.m_next = mp;
757 np = mp;
758 }
759 else
760 if (hdr->flags & HTRY)
761 badadr++;
762 else
763 badmsg++;
764
765 if (count < 1) {
766 if (hdr->flags & HNIL)
767 fprintf (out, "%s: %s", name, str);
768 else {
769 #ifdef notdef
770 advise (NULL, "%s: field requires at least one address", name);
771 badmsg++;
772 #endif /* notdef */
773 }
774 return;
775 }
776
777 nameoutput = linepos = 0;
778 snprintf (namep, sizeof(namep), "%s%s",
779 !fill_in && (hdr->flags & HMNG) ? "Original-" : "", name);
780
781 for (grp = 0, mp = tmpaddrs.m_next; mp; mp = np)
782 if (mp->m_nohost) { /* also used to test (hdr->flags & HTRY) */
783 /* The address doesn't include a host, so it might be an alias. */
784 pp = akvalue (mp->m_mbox); /* do mh alias substitution */
785 qp = akvisible () ? mp->m_mbox : "";
786 np = mp;
787 if (np->m_gname)
788 putgrp (namep, np->m_gname, out, hdr->flags);
789 while ((cp = getname (pp))) {
790 if (!(mp = getm (cp, NULL, 0, AD_HOST, NULL))) {
791 badadr++;
792 continue;
793 }
794
795 if (draft_from_masquerading && ((msgstate == RESENT)
796 ? (hdr->set & MRFM)
797 : (hdr->set & MFRM)))
798 /* The user manually specified a [Resent-]From: address in
799 their draft and the "masquerade:" line in mts.conf
800 doesn't contain "draft_from", so we'll set things up to
801 use the actual email address embedded in the draft
802 [Resent-]From: (after alias substitution, and without the
803 GECOS full name or angle brackets) as the envelope
804 From:. */
805 strncpy(from, auxformat(mp, 0), sizeof(from) - 1);
806
807 if (hdr->flags & HBCC)
808 mp->m_bcc++;
809 if (np->m_ingrp)
810 mp->m_ingrp = np->m_ingrp;
811 else
812 if (mp->m_gname)
813 putgrp (namep, mp->m_gname, out, hdr->flags);
814 if (mp->m_ingrp)
815 grp++;
816 if (putadr (namep, qp, mp, out, hdr->flags))
817 msgflags |= (hdr->set & (MVIS | MINV));
818 else
819 mnfree (mp);
820 }
821 mp = np;
822 np = np->m_next;
823 mnfree (mp);
824 }
825 else {
826 /* Address includes a host, so no alias substitution is needed. */
827 if (draft_from_masquerading && ((msgstate == RESENT)
828 ? (hdr->set & MRFM)
829 : (hdr->set & MFRM)))
830 /* The user manually specified a [Resent-]From: address in
831 their draft and the "masquerade:" line in mts.conf
832 doesn't contain "draft_from", so we'll set things up to
833 use the actual email address embedded in the draft
834 [Resent-]From: (after alias substitution, and without the
835 GECOS full name or angle brackets) as the envelope
836 From:. */
837 strncpy(from, auxformat(mp, 0), sizeof(from) - 1);
838
839 if (hdr->flags & HBCC)
840 mp->m_bcc++;
841 if (mp->m_gname)
842 putgrp (namep, mp->m_gname, out, hdr->flags);
843 if (mp->m_ingrp)
844 grp++;
845 keep = putadr (namep, "", mp, out, hdr->flags);
846 np = mp->m_next;
847 if (keep) {
848 mp->m_next = NULL;
849 msgflags |= (hdr->set & (MVIS | MINV));
850 }
851 else
852 mnfree (mp);
853 }
854
855 if (grp > 0 && (hdr->flags & HNGR)) {
856 advise (NULL, "%s: field does not allow groups", name);
857 badmsg++;
858 }
859 if (linepos) {
860 if (fill_in && grp > 0)
861 putc (';', out);
862 putc ('\n', out);
863 }
864 }
865
866
867 static void
868 start_headers (void)
869 {
870 unsigned char *cp;
871 char myhost[BUFSIZ], sigbuf[BUFSIZ];
872 struct mailname *mp;
873
874 myuid = getuid ();
875 mygid = getgid ();
876 time (&tclock);
877
878 strncpy (from, adrsprintf (NULL, NULL), sizeof(from));
879 strncpy (myhost, LocalName (), sizeof(myhost));
880
881 for (cp = myhost; *cp; cp++)
882 *cp = uptolow (*cp);
883
884 if ((cp = getfullname ()) && *cp) {
885 strncpy (sigbuf, cp, sizeof(sigbuf));
886 snprintf (signature, sizeof(signature), "%s <%s>",
887 sigbuf, adrsprintf (NULL, NULL));
888 if ((cp = getname (signature)) == NULL)
889 adios (NULL, "getname () failed -- you lose extraordinarily big");
890 if ((mp = getm (cp, NULL, 0, AD_HOST, NULL)) == NULL)
891 adios (NULL, "bad signature '%s'", sigbuf);
892 mnfree (mp);
893 while (getname (""))
894 continue;
895 } else {
896 strncpy (signature, adrsprintf (NULL, NULL), sizeof(signature));
897 }
898 }
899
900
901 /*
902 * Now that we've outputted the header fields in the draft
903 * message, we will now output any remaining header fields
904 * that we need to add/create.
905 */
906
907 static void
908 finish_headers (FILE *out)
909 {
910 switch (msgstate) {
911 case NORMAL:
912 if (whomsw && !fill_up)
913 break;
914
915 fprintf (out, "Date: %s\n", dtime (&tclock, 0));
916 if (msgid)
917 fprintf (out, "Message-ID: <%d.%ld@%s>\n",
918 (int) getpid (), (long) tclock, LocalName ());
919 if (msgflags & MFRM) {
920 /* There was already a From: in the draft. Don't add one. */
921 if (!draft_from_masquerading)
922 /* mts.conf didn't contain "masquerade:[...]draft_from[...]"
923 so we'll reveal the user's actual account@thismachine
924 address in a Sender: header (and use it as the envelope
925 From: later). */
926 fprintf (out, "Sender: %s\n", from);
927 }
928 else
929 /* Construct a From: header. */
930 fprintf (out, "From: %s\n", signature);
931 if (whomsw)
932 break;
933
934 if (!(msgflags & MVIS))
935 fprintf (out, "Bcc: Blind Distribution List: ;\n");
936 break;
937
938 case RESENT:
939 if (!(msgflags & MDAT)) {
940 advise (NULL, "message has no Date: header");
941 badmsg++;
942 }
943 if (!(msgflags & MFRM)) {
944 advise (NULL, "message has no From: header");
945 badmsg++;
946 }
947 if (whomsw && !fill_up)
948 break;
949
950 fprintf (out, "Resent-Date: %s\n", dtime (&tclock, 0));
951 if (msgid)
952 fprintf (out, "Resent-Message-ID: <%d.%ld@%s>\n",
953 (int) getpid (), (long) tclock, LocalName ());
954 if (msgflags & MRFM) {
955 /* There was already a Resent-From: in draft. Don't add one. */
956 if (!draft_from_masquerading)
957 /* mts.conf didn't contain "masquerade:[...]draft_from[...]"
958 so we'll reveal the user's actual account@thismachine
959 address in a Sender: header (and use it as the envelope
960 From: later). */
961 fprintf (out, "Resent-Sender: %s\n", from);
962 }
963 else
964 /* Construct a Resent-From: header. */
965 fprintf (out, "Resent-From: %s\n", signature);
966 if (whomsw)
967 break;
968 if (!(msgflags & MVIS))
969 fprintf (out, "Resent-Bcc: Blind Re-Distribution List: ;\n");
970 break;
971 }
972
973 if (badmsg)
974 adios (NULL, "re-format message and try again");
975 if (!recipients)
976 adios (NULL, "no addressees");
977 }
978
979
980 static int
981 get_header (char *header, struct headers *table)
982 {
983 struct headers *h;
984
985 for (h = table; h->value; h++)
986 if (!mh_strcasecmp (header, h->value))
987 return (h - table);
988
989 return NOTOK;
990 }
991
992
993 static int
994 putadr (char *name, char *aka, struct mailname *mp, FILE *out, unsigned int flags)
995 {
996 int len;
997 char *cp;
998 char buffer[BUFSIZ];
999
1000 if (mp->m_mbox == NULL || ((flags & HTRY) && !insert (mp)))
1001 return 0;
1002 if ((!fill_in && (flags & (HBCC | HDCC))) || mp->m_ingrp)
1003 return 1;
1004
1005 if (!nameoutput) {
1006 fprintf (out, "%s: ", name);
1007 linepos += (nameoutput = strlen (name) + 2);
1008 }
1009
1010 if (*aka && mp->m_type != UUCPHOST && !mp->m_pers)
1011 mp->m_pers = getcpy (aka);
1012 if (format) {
1013 if (mp->m_gname && !fill_in) {
1014 snprintf (buffer, sizeof(buffer), "%s;", mp->m_gname);
1015 cp = buffer;
1016 } else {
1017 cp = adrformat (mp);
1018 }
1019 } else {
1020 cp = mp->m_text;
1021 }
1022 len = strlen (cp);
1023
1024 if (linepos != nameoutput) {
1025 if (len + linepos + 2 > outputlinelen)
1026 fprintf (out, ",\n%*s", linepos = nameoutput, "");
1027 else {
1028 fputs (", ", out);
1029 linepos += 2;
1030 }
1031 }
1032
1033 fputs (cp, out);
1034 linepos += len;
1035
1036 return (flags & HTRY);
1037 }
1038
1039
1040 static void
1041 putgrp (char *name, char *group, FILE *out, unsigned int flags)
1042 {
1043 int len;
1044 char *cp;
1045
1046 if (!fill_in && (flags & HBCC))
1047 return;
1048
1049 if (!nameoutput) {
1050 fprintf (out, "%s: ", name);
1051 linepos += (nameoutput = strlen (name) + 2);
1052 if (fill_in)
1053 linepos -= strlen (group);
1054 }
1055
1056 cp = fill_in ? group : concat (group, ";", NULL);
1057 len = strlen (cp);
1058
1059 if (linepos > nameoutput) {
1060 if (len + linepos + 2 > outputlinelen) {
1061 fprintf (out, ",\n%*s", nameoutput, "");
1062 linepos = nameoutput;
1063 }
1064 else {
1065 fputs (", ", out);
1066 linepos += 2;
1067 }
1068 }
1069
1070 fputs (cp, out);
1071 linepos += len;
1072 }
1073
1074
1075 static int
1076 insert (struct mailname *np)
1077 {
1078 struct mailname *mp;
1079
1080 if (np->m_mbox == NULL)
1081 return 0;
1082
1083 for (mp = np->m_type == LOCALHOST ? &localaddrs
1084 : np->m_type == UUCPHOST ? &uuaddrs
1085 : &netaddrs;
1086 mp->m_next;
1087 mp = mp->m_next)
1088 if (!mh_strcasecmp (np->m_host, mp->m_next->m_host)
1089 && !mh_strcasecmp (np->m_mbox, mp->m_next->m_mbox)
1090 && np->m_bcc == mp->m_next->m_bcc)
1091 return 0;
1092
1093 mp->m_next = np;
1094 recipients++;
1095 return 1;
1096 }
1097
1098
1099 static void
1100 pl (void)
1101 {
1102 int i;
1103 struct mailname *mp;
1104
1105 printf ("-------\n\t-- Addresses --\nlocal:\t");
1106 for (mp = localaddrs.m_next; mp; mp = mp->m_next)
1107 printf ("%s%s%s", mp->m_mbox,
1108 mp->m_bcc ? "[BCC]" : "",
1109 mp->m_next ? ",\n\t" : "");
1110
1111 printf ("\nnet:\t");
1112 for (mp = netaddrs.m_next; mp; mp = mp->m_next)
1113 printf ("%s%s@%s%s%s", mp->m_path ? mp->m_path : "",
1114 mp->m_mbox, mp->m_host,
1115 mp->m_bcc ? "[BCC]" : "",
1116 mp->m_next ? ",\n\t" : "");
1117
1118 printf ("\nuucp:\t");
1119 for (mp = uuaddrs.m_next; mp; mp = mp->m_next)
1120 printf ("%s!%s%s%s", mp->m_host, mp->m_mbox,
1121 mp->m_bcc ? "[BCC]" : "",
1122 mp->m_next ? ",\n\t" : "");
1123
1124 printf ("\n\t-- Folder Copies --\nfcc:\t");
1125 for (i = 0; i < fccind; i++)
1126 printf ("%s%s", fccfold[i], i + 1 < fccind ? ",\n\t" : "");
1127 printf ("\n");
1128 }
1129
1130
1131 static void
1132 anno (void)
1133 {
1134 struct mailname *mp;
1135
1136 for (mp = localaddrs.m_next; mp; mp = mp->m_next)
1137 if (annoaux (mp) == NOTOK)
1138 goto oops;
1139
1140 for (mp = netaddrs.m_next; mp; mp = mp->m_next)
1141 if (annoaux (mp) == NOTOK)
1142 goto oops;
1143
1144 for (mp = uuaddrs.m_next; mp; mp = mp->m_next)
1145 if (annoaux (mp) == NOTOK)
1146 break;
1147
1148 oops: ;
1149 close (pfd);
1150 pfd = NOTOK;
1151 }
1152
1153
1154 static int
1155 annoaux (struct mailname *mp)
1156 {
1157 int i;
1158 char buffer[BUFSIZ];
1159
1160 snprintf (buffer, sizeof(buffer), "%s\n", adrformat (mp));
1161 i = strlen (buffer);
1162
1163 return (write (pfd, buffer, i) == i ? OK : NOTOK);
1164 }
1165
1166
1167 static void
1168 insert_fcc (struct headers *hdr, unsigned char *pp)
1169 {
1170 unsigned char *cp;
1171
1172 for (cp = pp; isspace (*cp); cp++)
1173 continue;
1174 for (pp += strlen (pp) - 1; pp > cp && isspace (*pp); pp--)
1175 continue;
1176 if (pp >= cp)
1177 *++pp = 0;
1178 if (*cp == 0)
1179 return;
1180
1181 if (fccind >= FCCS)
1182 adios (NULL, "too many %ss", hdr->value);
1183 fccfold[fccind++] = getcpy (cp);
1184 }
1185
1186 /*
1187 * BCC GENERATION
1188 */
1189
1190 static void
1191 make_bcc_file (int dashstuff)
1192 {
1193 int fd, i;
1194 pid_t child_id;
1195 char *vec[6];
1196 FILE *out;
1197 char *tfile = NULL;
1198
1199 tfile = m_mktemp2(NULL, "bccs", NULL, &out);
1200 if (tfile == NULL) adios("bcc", "unable to create temporary file");
1201 chmod (bccfil, 0600);
1202 strncpy (bccfil, tfile, sizeof(bccfil));
1203
1204 fprintf (out, "Date: %s\n", dtime (&tclock, 0));
1205 if (msgid)
1206 fprintf (out, "Message-ID: <%d.%ld@%s>\n",
1207 (int) getpid (), (long) tclock, LocalName ());
1208 if (msgflags & MFRM) {
1209 /* There was already a From: in the draft. Don't add one. */
1210 if (!draft_from_masquerading)
1211 /* mts.conf didn't contain "masquerade:[...]draft_from[...]"
1212 so we'll reveal the user's actual account@thismachine
1213 address in a Sender: header (and use it as the envelope
1214 From: later). */
1215 fprintf (out, "Sender: %s\n", from);
1216 }
1217 else
1218 /* Construct a From: header. */
1219 fprintf (out, "From: %s\n", signature);
1220 if (subject)
1221 fprintf (out, "Subject: %s", subject);
1222 fprintf (out, "BCC:\n");
1223
1224 /*
1225 * Use MIME encapsulation for Bcc messages
1226 */
1227 if (mime) {
1228 char *cp;
1229
1230 /*
1231 * Check if any lines in the message clash with the
1232 * prefix for the MIME multipart separator. If there
1233 * is a clash, increment one of the letters in the
1234 * prefix and check again.
1235 */
1236 if ((cp = strchr(prefix, 'a')) == NULL)
1237 adios (NULL, "lost prefix start");
1238 while (find_prefix () == NOTOK) {
1239 if (*cp < 'z')
1240 (*cp)++;
1241 else
1242 if (*++cp == 0)
1243 adios (NULL, "can't find a unique delimiter string");
1244 else
1245 (*cp)++;
1246 }
1247
1248 fprintf (out, "%s: %s\n%s: multipart/digest; boundary=\"",
1249 VRSN_FIELD, VRSN_VALUE, TYPE_FIELD);
1250 fprintf (out, "%s\"\n\n--%s\n\n", prefix, prefix);
1251 } else {
1252 fprintf (out, "\n------- Blind-Carbon-Copy\n\n");
1253 }
1254
1255 fflush (out);
1256
1257 /*
1258 * Do mhl filtering of Bcc messages instead
1259 * of MIME encapsulation.
1260 */
1261 if (filter != NULL) {
1262 vec[0] = r1bindex (mhlproc, '/');
1263
1264 for (i = 0; (child_id = fork()) == NOTOK && i < 5; i++)
1265 sleep (5);
1266 switch (child_id) {
1267 case NOTOK:
1268 adios ("fork", "unable to");
1269
1270 case OK:
1271 dup2 (fileno (out), 1);
1272
1273 i = 1;
1274 vec[i++] = "-forward";
1275 vec[i++] = "-form";
1276 vec[i++] = filter;
1277 vec[i++] = tmpfil;
1278
1279 /* was the flag -[no]dashstuffing specified? */
1280 if (dashstuff > 0)
1281 vec[i++] = "-dashstuffing";
1282 else if (dashstuff < 0)
1283 vec[i++] = "-nodashstuffing";
1284 vec[i] = NULL;
1285
1286 execvp (mhlproc, vec);
1287 fprintf (stderr, "unable to exec ");
1288 perror (mhlproc);
1289 _exit (-1);
1290
1291 default:
1292 pidXwait (child_id, mhlproc);
1293 break;
1294 }
1295 } else {
1296 if ((fd = open (tmpfil, O_RDONLY)) == NOTOK)
1297 adios (tmpfil, "unable to re-open");
1298
1299 /*
1300 * If using MIME encapsulation, or if the -nodashstuffing
1301 * flag was given, then just copy message. Else do
1302 * RFC934 quoting (dashstuffing).
1303 */
1304 if (mime || dashstuff < 0)
1305 cpydata (fd, fileno (out), tmpfil, bccfil);
1306 else
1307 cpydgst (fd, fileno (out), tmpfil, bccfil);
1308 close (fd);
1309 }
1310
1311 fseek (out, 0L, SEEK_END);
1312 if (mime)
1313 fprintf (out, "\n--%s--\n", prefix);
1314 else
1315 fprintf (out, "\n------- End of Blind-Carbon-Copy\n");
1316 fclose (out);
1317 }
1318
1319
1320 /*
1321 * Scan message to check if any lines clash with
1322 * the prefix of the MIME multipart separator.
1323 */
1324
1325 static int
1326 find_prefix (void)
1327 {
1328 int result = OK;
1329 unsigned char buffer[BUFSIZ];
1330 FILE *in;
1331
1332 if ((in = fopen (tmpfil, "r")) == NULL)
1333 adios (tmpfil, "unable to re-open");
1334
1335 while (fgets (buffer, sizeof(buffer) - 1, in))
1336 if (buffer[0] == '-' && buffer[1] == '-') {
1337 unsigned char *cp;
1338
1339 for (cp = buffer + strlen (buffer) - 1; cp >= buffer; cp--)
1340 if (!isspace (*cp))
1341 break;
1342 *++cp = '\0';
1343 if (strcmp (buffer + 2, prefix) == 0) {
1344 result = NOTOK;
1345 break;
1346 }
1347 }
1348
1349 fclose (in);
1350 return result;
1351 }
1352
1353
1354 #define plural(x) (x == 1 ? "" : "s")
1355
1356 static void
1357 chkadr (void)
1358 {
1359 if (badadr && unkadr)
1360 die (NULL, "%d address%s unparsable, %d addressee%s undeliverable",
1361 badadr, plural (badadr), unkadr, plural (badadr));
1362 if (badadr)
1363 die (NULL, "%d address%s unparsable", badadr, plural (badadr));
1364 if (unkadr)
1365 die (NULL, "%d addressee%s undeliverable", unkadr, plural (unkadr));
1366 }
1367
1368
1369 static void
1370 do_addresses (int bccque, int talk)
1371 {
1372 int retval;
1373 int state;
1374 struct mailname *lp;
1375
1376 state = 0;
1377 for (lp = localaddrs.m_next; lp; lp = lp->m_next)
1378 if (lp->m_bcc ? bccque : !bccque) {
1379 if (talk && !state)
1380 printf (" -- Local Recipients --\n");
1381 do_an_address (lp, talk);
1382 state++;
1383 }
1384
1385 state = 0;
1386 for (lp = uuaddrs.m_next; lp; lp = lp->m_next)
1387 if (lp->m_bcc ? bccque : !bccque) {
1388 if (talk && !state)
1389 printf (" -- UUCP Recipients --\n");
1390 do_an_address (lp, talk);
1391 state++;
1392 }
1393
1394 state = 0;
1395 for (lp = netaddrs.m_next; lp; lp = lp->m_next)
1396 if (lp->m_bcc ? bccque : !bccque) {
1397 if (talk && !state)
1398 printf (" -- Network Recipients --\n");
1399 do_an_address (lp, talk);
1400 state++;
1401 }
1402
1403 chkadr ();
1404
1405 #ifdef SMTPMTS
1406 if (rp_isbad (retval = sm_waend ()))
1407 die (NULL, "problem ending addresses; %s", rp_string (retval));
1408 #endif /* SMTPMTS */
1409 }
1410
1411
1412 /*
1413 * MTS-SPECIFIC INTERACTION
1414 */
1415
1416
1417 /*
1418 * SENDMAIL/SMTP routines
1419 */
1420
1421 #ifdef SMTPMTS
1422
1423 static void
1424 post (char *file, int bccque, int talk)
1425 {
1426 int fd, onex;
1427 int retval;
1428
1429 onex = !(msgflags & MINV) || bccque;
1430 if (verbose) {
1431 if (msgflags & MINV)
1432 printf (" -- Posting for %s Recipients --\n",
1433 bccque ? "Blind" : "Sighted");
1434 else
1435 printf (" -- Posting for All Recipients --\n");
1436 }
1437
1438 sigon ();
1439
1440 if (rp_isbad (retval = sm_init (clientsw, serversw, port, watch, verbose,
1441 snoop, onex, queued, sasl, saslmech,
1442 user, tls))
1443 || rp_isbad (retval = sm_winit (smtpmode, from)))
1444 die (NULL, "problem initializing server; %s", rp_string (retval));
1445
1446 do_addresses (bccque, talk && verbose);
1447 if ((fd = open (file, O_RDONLY)) == NOTOK)
1448 die (file, "unable to re-open");
1449 do_text (file, fd);
1450 close (fd);
1451 fflush (stdout);
1452
1453 sm_end (onex ? OK : DONE);
1454 sigoff ();
1455
1456 if (verbose) {
1457 if (msgflags & MINV)
1458 printf (" -- %s Recipient Copies Posted --\n",
1459 bccque ? "Blind" : "Sighted");
1460 else
1461 printf (" -- Recipient Copies Posted --\n");
1462 }
1463
1464 fflush (stdout);
1465 }
1466
1467
1468 /* Address Verification */
1469
1470 static void
1471 verify_all_addresses (int talk)
1472 {
1473 int retval;
1474 struct mailname *lp;
1475
1476 sigon ();
1477
1478 if (!whomsw || checksw)
1479 if (rp_isbad (retval = sm_init (clientsw, serversw, port, watch,
1480 verbose, snoop, 0, queued, sasl,
1481 saslmech, user, tls))
1482 || rp_isbad (retval = sm_winit (smtpmode, from)))
1483 die (NULL, "problem initializing server; %s", rp_string (retval));
1484
1485 if (talk && !whomsw)
1486 printf (" -- Address Verification --\n");
1487 if (talk && localaddrs.m_next)
1488 printf (" -- Local Recipients --\n");
1489 for (lp = localaddrs.m_next; lp; lp = lp->m_next)
1490 do_an_address (lp, talk);
1491
1492 if (talk && uuaddrs.m_next)
1493 printf (" -- UUCP Recipients --\n");
1494 for (lp = uuaddrs.m_next; lp; lp = lp->m_next)
1495 do_an_address (lp, talk);
1496
1497 if (talk && netaddrs.m_next)
1498 printf (" -- Network Recipients --\n");
1499 for (lp = netaddrs.m_next; lp; lp = lp->m_next)
1500 do_an_address (lp, talk);
1501
1502 chkadr ();
1503 if (talk && !whomsw)
1504 printf (" -- Address Verification Successful --\n");
1505
1506 if (!whomsw || checksw)
1507 sm_end (DONE);
1508
1509 fflush (stdout);
1510 sigoff ();
1511 }
1512
1513
1514 static void
1515 do_an_address (struct mailname *lp, int talk)
1516 {
1517 int retval;
1518 char *mbox, *host;
1519 char addr[BUFSIZ];
1520
1521 switch (lp->m_type) {
1522 case LOCALHOST:
1523 mbox = lp->m_mbox;
1524 host = lp->m_host;
1525 strncpy (addr, mbox, sizeof(addr));
1526 break;
1527
1528 case UUCPHOST:
1529 mbox = auxformat (lp, 0);
1530 host = NULL;
1531 snprintf (addr, sizeof(addr), "%s!%s", lp->m_host, lp->m_mbox);
1532 break;
1533
1534 default: /* let SendMail decide if the host is bad */
1535 mbox = lp->m_mbox;
1536 host = lp->m_host;
1537 snprintf (addr, sizeof(addr), "%s at %s", mbox, host);
1538 break;
1539 }
1540
1541 if (talk)
1542 printf (" %s%s", addr, whomsw && lp->m_bcc ? "[BCC]" : "");
1543
1544 if (whomsw && !checksw) {
1545 putchar ('\n');
1546 return;
1547 }
1548 if (talk)
1549 printf (": ");
1550 fflush (stdout);
1551
1552 switch (retval = sm_wadr (mbox, host,
1553 lp->m_type != UUCPHOST ? lp->m_path : NULL)) {
1554 case RP_OK:
1555 if (talk)
1556 printf ("address ok\n");
1557 break;
1558
1559 case RP_NO:
1560 case RP_USER:
1561 if (!talk)
1562 fprintf (stderr, " %s: ", addr);
1563 fprintf (talk ? stdout : stderr, "loses; %s\n",
1564 rp_string (retval));
1565 unkadr++;
1566 break;
1567
1568 default:
1569 if (!talk)
1570 fprintf (stderr, " %s: ", addr);
1571 die (NULL, "unexpected response; %s", rp_string (retval));
1572 }
1573
1574 fflush (stdout);
1575 }
1576
1577
1578 static void
1579 do_text (char *file, int fd)
1580 {
1581 int retval, state;
1582 char buf[BUFSIZ];
1583
1584 lseek (fd, (off_t) 0, SEEK_SET);
1585
1586 while ((state = read (fd, buf, sizeof(buf))) > 0) {
1587 if (rp_isbad (retval = sm_wtxt (buf, state)))
1588 die (NULL, "problem writing text; %s\n", rp_string (retval));
1589 }
1590
1591 if (state == NOTOK)
1592 die (file, "problem reading from");
1593
1594 switch (retval = sm_wtend ()) {
1595 case RP_OK:
1596 break;
1597
1598 case RP_NO:
1599 case RP_NDEL:
1600 die (NULL, "posting failed; %s", rp_string (retval));
1601
1602 default:
1603 die (NULL, "unexpected response; %s", rp_string (retval));
1604 }
1605 }
1606
1607 #endif /* SMTPMTS */
1608
1609
1610 /*
1611 * SIGNAL HANDLING
1612 */
1613
1614 static RETSIGTYPE
1615 sigser (int i)
1616 {
1617 #ifndef RELIABLE_SIGNALS
1618 SIGNAL (i, SIG_IGN);
1619 #endif
1620
1621 unlink (tmpfil);
1622 if (msgflags & MINV)
1623 unlink (bccfil);
1624
1625 #ifdef SMTPMTS
1626 if (!whomsw || checksw)
1627 sm_end (NOTOK);
1628 #endif /* SMTPMTS */
1629
1630 done (1);
1631 }
1632
1633
1634 static void
1635 sigon (void)
1636 {
1637 if (debug)
1638 return;
1639
1640 hstat = SIGNAL2 (SIGHUP, sigser);
1641 istat = SIGNAL2 (SIGINT, sigser);
1642 qstat = SIGNAL2 (SIGQUIT, sigser);
1643 tstat = SIGNAL2 (SIGTERM, sigser);
1644 }
1645
1646
1647 static void
1648 sigoff (void)
1649 {
1650 if (debug)
1651 return;
1652
1653 SIGNAL (SIGHUP, hstat);
1654 SIGNAL (SIGINT, istat);
1655 SIGNAL (SIGQUIT, qstat);
1656 SIGNAL (SIGTERM, tstat);
1657 }
1658
1659 /*
1660 * FCC INTERACTION
1661 */
1662
1663 static void
1664 p_refile (char *file)
1665 {
1666 int i;
1667
1668 if (fccind == 0)
1669 return;
1670
1671 if (verbose)
1672 printf (" -- Filing Folder Copies --\n");
1673 for (i = 0; i < fccind; i++)
1674 fcc (file, fccfold[i]);
1675 if (verbose)
1676 printf (" -- Folder Copies Filed --\n");
1677 }
1678
1679
1680 /*
1681 * Call the `fileproc' to add the file to the folder.
1682 */
1683
1684 static void
1685 fcc (char *file, char *folder)
1686 {
1687 pid_t child_id;
1688 int i, status;
1689 char fold[BUFSIZ];
1690
1691 if (verbose)
1692 printf (" %sFcc %s: ", msgstate == RESENT ? "Resent-" : "", folder);
1693 fflush (stdout);
1694
1695 for (i = 0; (child_id = fork ()) == NOTOK && i < 5; i++)
1696 sleep (5);
1697
1698 switch (child_id) {
1699 case NOTOK:
1700 if (!verbose)
1701 fprintf (stderr, " %sFcc %s: ",
1702 msgstate == RESENT ? "Resent-" : "", folder);
1703 fprintf (verbose ? stdout : stderr, "no forks, so not ok\n");
1704 break;
1705
1706 case OK:
1707 /* see if we need to add `+' */
1708 snprintf (fold, sizeof(fold), "%s%s",
1709 *folder == '+' || *folder == '@' ? "" : "+", folder);
1710
1711 /* now exec the fileproc */
1712 execlp (fileproc, r1bindex (fileproc, '/'),
1713 "-link", "-file", file, fold, NULL);
1714 _exit (-1);
1715
1716 default:
1717 if ((status = pidwait (child_id, OK))) {
1718 if (!verbose)
1719 fprintf (stderr, " %sFcc %s: ",
1720 msgstate == RESENT ? "Resent-" : "", folder);
1721 pidstatus (status, verbose ? stdout : stderr, NULL);
1722 } else {
1723 if (verbose)
1724 printf ("folder ok\n");
1725 }
1726 }
1727
1728 fflush (stdout);
1729 }
1730
1731 /*
1732 * TERMINATION
1733 */
1734
1735 static void
1736 die (char *what, char *fmt, ...)
1737 {
1738 va_list ap;
1739
1740 unlink (tmpfil);
1741 if (msgflags & MINV)
1742 unlink (bccfil);
1743
1744 #ifdef SMTPMTS
1745 if (!whomsw || checksw)
1746 sm_end (NOTOK);
1747 #endif /* SMTPMTS */
1748
1749 va_start(ap, fmt);
1750 advertise (what, NULL, fmt, ap);
1751 va_end(ap);
1752 done (1);
1753 }
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