]> diplodocus.org Git - nmh/blob - uip/post.c
projects / nmh / blob
? search:
summary | shortlog | log | commit | commitdiff | tree
history | raw | HEAD
Formatting cleanup.
[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 <signal.h>
24
25 #ifdef HAVE_SYS_TIME_H
26 # include <sys/time.h>
27 #endif
28 #include <time.h>
29
30 #include <mts/smtp/smtp.h>
31
32 #ifndef CYRUS_SASL
33 # define SASLminc(a) (a)
34 #else /* CYRUS_SASL */
35 # define SASLminc(a) 0
36 #endif /* CYRUS_SASL */
37
38 #ifndef TLS_SUPPORT
39 # define TLSminc(a) (a)
40 #else /* TLS_SUPPORT */
41 # define TLSminc(a) 0
42 #endif /* TLS_SUPPORT */
43
44 #define FCCS 10 /* max number of fccs allowed */
45
46 /* In the following array of structures, the numeric second field of the
47 structures (minchars) is apparently used like this:
48
49 -# : Switch can be abbreviated to # characters; switch hidden in -help.
50 0 : Switch can't be abbreviated; switch shown in -help.
51 # : Switch can be abbreviated to # characters; switch shown in -help. */
52
53 static struct swit switches[] = {
54 #define ALIASW 0
55 { "alias aliasfile", 0 },
56 #define CHKSW 1
57 { "check", -5 }, /* interface from whom */
58 #define NCHKSW 2
59 { "nocheck", -7 }, /* interface from whom */
60 #define DEBUGSW 3
61 { "debug", -5 },
62 #define DISTSW 4
63 { "dist", -4 }, /* interface from dist */
64 #define FILTSW 5
65 { "filter filterfile", 0 },
66 #define NFILTSW 6
67 { "nofilter", 0 },
68 #define FRMTSW 7
69 { "format", 0 },
70 #define NFRMTSW 8
71 { "noformat", 0 },
72 #define LIBSW 9
73 { "library directory", -7 }, /* interface from send, whom */
74 #define MIMESW 10
75 { "mime", 0 },
76 #define NMIMESW 11
77 { "nomime", 0 },
78 #define MSGDSW 12
79 { "msgid", 0 },
80 #define NMSGDSW 13
81 { "nomsgid", 0 },
82 #define VERBSW 14
83 { "verbose", 0 },
84 #define NVERBSW 15
85 { "noverbose", 0 },
86 #define WATCSW 16
87 { "watch", 0 },
88 #define NWATCSW 17
89 { "nowatch", 0 },
90 #define WHOMSW 18
91 { "whom", -4 }, /* interface from whom */
92 #define WIDTHSW 19
93 { "width columns", 0 },
94 #define VERSIONSW 20
95 { "version", 0 },
96 #define HELPSW 21
97 { "help", 0 },
98 #define BITSTUFFSW 22
99 { "dashstuffing", -12 }, /* should we dashstuff BCC messages? */
100 #define NBITSTUFFSW 23
101 { "nodashstuffing", -14 },
102 #define ANNOSW 24
103 { "idanno number", -6 }, /* interface from send */
104 #define CLIESW 25
105 { "client host", -6 },
106 #define SERVSW 26
107 { "server host", 6 }, /* specify alternate SMTP server */
108 #define SNOOPSW 27
109 { "snoop", -5 }, /* snoop the SMTP transaction */
110 #define PARTSW 28
111 { "partno", -6 },
112 #define QUEUESW 29
113 { "queued", -6 },
114 #define SASLSW 30
115 { "sasl", SASLminc(-4) },
116 #define NOSASLSW 31
117 { "nosasl", SASLminc(-6) },
118 #define SASLMXSSFSW 32
119 { "saslmaxssf", SASLminc(-10) },
120 #define SASLMECHSW 33
121 { "saslmech", SASLminc(-5) },
122 #define USERSW 34
123 { "user", SASLminc(-4) },
124 #define PORTSW 35
125 { "port server port name/number", 4 },
126 #define TLSSW 36
127 { "tls", TLSminc(-3) },
128 #define NTLSSW 37
129 { "notls", TLSminc(-5) },
130 #define FILEPROCSW 38
131 { "fileproc", -4 },
132 #define MHLPROCSW 39
133 { "mhlproc", -3 },
134 { NULL, 0 }
135 };
136
137
138 struct headers {
139 char *value;
140 unsigned int flags;
141 unsigned int set;
142 };
143
144 /*
145 * flags for headers->flags
146 */
147 #define HNOP 0x0000 /* just used to keep .set around */
148 #define HBAD 0x0001 /* bad header - don't let it through */
149 #define HADR 0x0002 /* header has an address field */
150 #define HSUB 0x0004 /* Subject: header */
151 #define HTRY 0x0008 /* try to send to addrs on header */
152 #define HBCC 0x0010 /* don't output this header */
153 #define HMNG 0x0020 /* munge this header */
154 #define HNGR 0x0040 /* no groups allowed in this header */
155 #define HFCC 0x0080 /* FCC: type header */
156 #define HNIL 0x0100 /* okay for this header not to have addrs */
157 #define HIGN 0x0200 /* ignore this header */
158 #define HDCC 0x0400 /* another undocumented feature */
159 #define HONE 0x0800 /* Only (zero or) one address allowed */
160 #define HEFM 0x1000 /* Envelope-From: header */
161
162 /*
163 * flags for headers->set
164 */
165 #define MFRM 0x0001 /* we've seen a From: */
166 #define MDAT 0x0002 /* we've seen a Date: */
167 #define MRFM 0x0004 /* we've seen a Resent-From: */
168 #define MVIS 0x0008 /* we've seen sighted addrs */
169 #define MINV 0x0010 /* we've seen blind addrs */
170 #define MSND 0x0020 /* we've seen a Sender: */
171 #define MRSN 0x0040 /* We've seen a Resent-Sendr:*/
172 #define MEFM 0x0080 /* We've seen Envelope-From: */
173
174
175 static struct headers NHeaders[] = {
176 { "Return-Path", HBAD, 0 },
177 { "Received", HBAD, 0 },
178 { "Reply-To", HADR|HNGR, 0 },
179 { "From", HADR|HNGR, MFRM },
180 { "Sender", HADR|HNGR|HONE, MSND },
181 { "Date", HBAD, 0 },
182 { "Subject", HSUB, 0 },
183 { "To", HADR|HTRY, MVIS },
184 { "cc", HADR|HTRY, MVIS },
185 { "Bcc", HADR|HTRY|HBCC|HNIL, MINV },
186 { "Dcc", HADR|HTRY|HDCC|HNIL, MVIS }, /* sorta cc & bcc combined */
187 { "Message-ID", HBAD, 0 },
188 { "Fcc", HFCC, 0 },
189 { "Envelope-From", HADR|HONE|HEFM, MEFM },
190 { NULL, 0, 0 }
191 };
192
193 static struct headers RHeaders[] = {
194 { "Resent-Reply-To", HADR|HNGR, 0 },
195 { "Resent-From", HADR|HNGR, MRFM },
196 { "Resent-Sender", HADR|HNGR, MRSN },
197 { "Resent-Date", HBAD, 0 },
198 { "Resent-Subject", HSUB, 0 },
199 { "Resent-To", HADR|HTRY, MVIS },
200 { "Resent-cc", HADR|HTRY, MVIS },
201 { "Resent-Bcc", HADR|HTRY|HBCC, MINV },
202 { "Resent-Message-ID", HBAD, 0 },
203 { "Resent-Fcc", HFCC, 0 },
204 { "Reply-To", HADR, 0 },
205 { "From", HADR|HNGR, MFRM },
206 { "Sender", HADR|HNGR, MSND },
207 { "Date", HNOP, MDAT },
208 { "To", HADR|HNIL, 0 },
209 { "cc", HADR|HNIL, 0 },
210 { "Bcc", HADR|HTRY|HBCC|HNIL, 0 },
211 { "Fcc", HIGN, 0 },
212 { "Envelope-From", HADR|HONE|HEFM, MEFM },
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 int saslssf=-1; /* Our maximum SSF for SASL */
238 static char *saslmech=NULL; /* Force use of particular SASL mech */
239 static char *user=NULL; /* Authenticate as this user */
240 static char *port="smtp"; /* Name of server port for SMTP */
241 static int tls=0; /* Use TLS for encryption */
242 static int fromcount=0; /* Count of addresses on From: header */
243 static int seensender=0; /* Have we seen a Sender: header? */
244
245 static unsigned msgflags = 0; /* what we've seen */
246
247 #define NORMAL 0
248 #define RESENT 1
249 static int msgstate = NORMAL;
250
251 static time_t tclock = 0; /* the time we started (more or less) */
252
253 static SIGNAL_HANDLER hstat, istat, qstat, tstat;
254
255 static char tmpfil[BUFSIZ];
256 static char bccfil[BUFSIZ];
257
258 static char from[BUFSIZ]; /* my network address */
259 static char sender[BUFSIZ]; /* my Sender: header */
260 static char efrom[BUFSIZ]; /* my Envelope-From: header */
261 static char signature[BUFSIZ]; /* my signature */
262 static char *filter = NULL; /* the filter for BCC'ing */
263 static char *subject = NULL; /* the subject field for BCC'ing */
264 static char *fccfold[FCCS]; /* foldernames for FCC'ing */
265
266 static struct headers *hdrtab; /* table for the message we're doing */
267
268 static struct mailname localaddrs; /* local addrs */
269 static struct mailname netaddrs; /* network addrs */
270 static struct mailname uuaddrs; /* uucp addrs */
271 static struct mailname tmpaddrs; /* temporary queue */
272
273 static int snoop = 0;
274 static char *clientsw = NULL;
275 static char *serversw = NULL;
276
277 extern struct smtp sm_reply;
278
279 static char prefix[] = "----- =_aaaaaaaaaa";
280
281 static char *partno = NULL;
282 static int queued = 0;
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 *, unsigned char *);
298 static void make_bcc_file (int);
299 static void verify_all_addresses (int, char *);
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, char *);
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, *envelope;
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 CLIESW:
453 if (!(clientsw = *argp++) || *clientsw == '-')
454 adios (NULL, "missing argument to %s", argp[-2]);
455 continue;
456 case SERVSW:
457 if (!(serversw = *argp++) || *serversw == '-')
458 adios (NULL, "missing argument to %s", argp[-2]);
459 continue;
460 case SNOOPSW:
461 snoop++;
462 continue;
463
464 case PARTSW:
465 if (!(partno = *argp++) || *partno == '-')
466 adios (NULL, "missing argument to %s", argp[-2]);
467 continue;
468
469 case QUEUESW:
470 queued++;
471 continue;
472
473 case SASLSW:
474 sasl++;
475 continue;
476
477 case NOSASLSW:
478 sasl = 0;
479 continue;
480
481 case SASLMXSSFSW:
482 if (!(cp = *argp++) || *cp == '-')
483 adios (NULL, "missing argument to %s", argp[-2]);
484 saslssf = atoi(cp);
485 continue;
486
487 case SASLMECHSW:
488 if (!(saslmech = *argp++) || *saslmech == '-')
489 adios (NULL, "missing argument to %s", argp[-2]);
490 continue;
491
492 case USERSW:
493 if (!(user = *argp++) || *user == '-')
494 adios (NULL, "missing argument to %s", argp[-2]);
495 continue;
496
497 case PORTSW:
498 if (!(port = *argp++) || *port == '-')
499 adios (NULL, "missing argument to %s", argp[-2]);
500 continue;
501
502 case TLSSW:
503 tls++;
504 continue;
505
506 case NTLSSW:
507 tls = 0;
508 continue;
509
510 case FILEPROCSW:
511 if (!(cp = *argp++) || *cp == '-')
512 adios (NULL, "missing argument to %s", argp[-2]);
513 fileproc = cp;
514 continue;
515
516 case MHLPROCSW:
517 if (!(cp = *argp++) || *cp == '-')
518 adios (NULL, "missing argument to %s", argp[-2]);
519 mhlproc = cp;
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 ("/dev/null", "w")) == NULL)
547 adios ("/dev/null", "unable to open");
548 } else {
549 char *cp = m_mktemp(m_maildir(invo_name), NULL, &out);
550 if (cp == NULL) {
551 cp = m_mktemp2(NULL, invo_name, NULL, &out);
552 if (cp == NULL) {
553 adios ("post", "unable to create temporary file");
554 }
555 }
556 strncpy(tmpfil, cp, sizeof(tmpfil));
557 chmod (tmpfil, 0600);
558 }
559 }
560
561 hdrtab = msgstate == NORMAL ? NHeaders : RHeaders;
562
563 for (compnum = 1, state = FLD;;) {
564 switch (state = m_getfld (state, name, buf, sizeof(buf), in)) {
565 case FLD:
566 case FLDEOF:
567 case FLDPLUS:
568 compnum++;
569 cp = add (buf, NULL);
570 while (state == FLDPLUS) {
571 state = m_getfld (state, name, buf, sizeof(buf), in);
572 cp = add (buf, cp);
573 }
574 putfmt (name, cp, out);
575 free (cp);
576 if (state != FLDEOF)
577 continue;
578 finish_headers (out);
579 break;
580
581 case BODY:
582 case BODYEOF:
583 finish_headers (out);
584 if (whomsw)
585 break;
586 fprintf (out, "\n%s", buf);
587 while (state == BODY) {
588 state = m_getfld (state, name, buf, sizeof(buf), in);
589 fputs (buf, out);
590 }
591 break;
592
593 case FILEEOF:
594 finish_headers (out);
595 break;
596
597 case LENERR:
598 case FMTERR:
599 adios (NULL, "message format error in component #%d", compnum);
600
601 default:
602 adios (NULL, "getfld() returned %d", state);
603 }
604 break;
605 }
606
607 if (pfd != NOTOK)
608 anno ();
609 fclose (in);
610
611 if (debug) {
612 pl ();
613 done (0);
614 } else {
615 fclose (out);
616 }
617
618 /*
619 * Here's how we decide which address to use as the envelope-from
620 * address for SMTP.
621 *
622 * - If we were given an Envelope-From header, use that.
623 * - If we were given a Sender: address, use that.
624 * - Otherwise, use the address on the From: line
625 */
626
627 if (msgflags & MEFM) {
628 envelope = efrom;
629 } else if (seensender) {
630 envelope = sender;
631 } else {
632 envelope = from;
633 }
634
635 /* If we are doing a "whom" check */
636 if (whomsw) {
637 verify_all_addresses (1, envelope);
638 done (0);
639 }
640
641 if (msgflags & MINV) {
642 make_bcc_file (dashstuff);
643 if (msgflags & MVIS) {
644 verify_all_addresses (verbose, envelope);
645 post (tmpfil, 0, verbose, envelope);
646 }
647 post (bccfil, 1, verbose, envelope);
648 unlink (bccfil);
649 } else {
650 post (tmpfil, 0, isatty (1), envelope);
651 }
652
653 p_refile (tmpfil);
654 unlink (tmpfil);
655
656 if (verbose)
657 printf (partno ? "Partial Message #%s Processed\n" : "Message Processed\n",
658 partno);
659 done (0);
660 return 1;
661 }
662
663
664 /*
665 * DRAFT GENERATION
666 */
667
668 static void
669 putfmt (char *name, char *str, FILE *out)
670 {
671 int count, grp, i, keep;
672 char *cp, *pp, *qp;
673 char namep[BUFSIZ];
674 struct mailname *mp = NULL, *np = NULL;
675 struct headers *hdr;
676
677 while (*str == ' ' || *str == '\t')
678 str++;
679
680 if (msgstate == NORMAL && uprf (name, "resent")) {
681 advise (NULL, "illegal header line -- %s:", name);
682 badmsg++;
683 return;
684 }
685
686 if ((i = get_header (name, hdrtab)) == NOTOK) {
687 fprintf (out, "%s: %s", name, str);
688 return;
689 }
690
691 hdr = &hdrtab[i];
692 if (hdr->flags & HIGN) {
693 return;
694 }
695 if (hdr->flags & HBAD) {
696 advise (NULL, "illegal header line -- %s:", name);
697 badmsg++;
698 return;
699 }
700 msgflags |= (hdr->set & ~(MVIS | MINV));
701
702 if (hdr->flags & HSUB)
703 subject = subject ? add (str, add ("\t", subject)) : getcpy (str);
704 if (hdr->flags & HFCC) {
705 if ((cp = strrchr(str, '\n')))
706 *cp = 0;
707 for (cp = pp = str; (cp = strchr(pp, ',')); pp = cp) {
708 *cp++ = 0;
709 insert_fcc (hdr, pp);
710 }
711 insert_fcc (hdr, pp);
712 return;
713 }
714
715 if (!(hdr->flags & HADR)) {
716 fprintf (out, "%s: %s", name, str);
717 return;
718 }
719
720 tmpaddrs.m_next = NULL;
721 for (count = 0; (cp = getname (str)); count++)
722 if ((mp = getm (cp, NULL, 0, AD_HOST, NULL))) {
723 if (tmpaddrs.m_next)
724 np->m_next = mp;
725 else
726 tmpaddrs.m_next = mp;
727 np = mp;
728 }
729 else
730 if (hdr->flags & HTRY)
731 badadr++;
732 else
733 badmsg++;
734
735 if (count < 1) {
736 if (hdr->flags & HNIL)
737 fprintf (out, "%s: %s", name, str);
738 else {
739 /*
740 * Sender (or Resent-Sender) can have only one address
741 */
742 if ((msgstate == RESENT) ? (hdr->set & MRSN)
743 : (hdr->set & MSND)) {
744 advise (NULL, "%s: field requires one address", name);
745 badmsg++;
746 }
747 #ifdef notdef
748 advise (NULL, "%s: field requires at least one address", name);
749 badmsg++;
750 #endif /* notdef */
751 }
752 return;
753 }
754
755 if (count > 1 && (hdr->flags & HONE)) {
756 advise (NULL, "%s: field only permits one address", name);
757 badmsg++;
758 return;
759 }
760
761 nameoutput = linepos = 0;
762 snprintf (namep, sizeof(namep), "%s%s",
763 (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 /*
780 * If it's a From: or Resent-From: header, save the address
781 * for later possible use (as the envelope address for SMTP)
782 */
783
784 if ((msgstate == RESENT) ? (hdr->set & MRFM)
785 : (hdr->set & MFRM)) {
786 strncpy(from, auxformat(mp, 0), sizeof(from) - 1);
787 from[sizeof(from) - 1] = '\0';
788 fromcount = count;
789 }
790
791 /*
792 * Also save the Sender: or Resent-Sender: header as well
793 */
794
795 if ((msgstate == RESENT) ? (hdr->set & MRSN)
796 : (hdr->set & MSND)) {
797 strncpy(sender, auxformat(mp, 0), sizeof(sender) - 1);
798 sender[sizeof(sender) - 1] = '\0';
799 seensender++;
800 }
801
802 /*
803 * ALSO ... save Envelope-From
804 */
805
806 if (hdr->set & MEFM) {
807 strncpy(efrom, auxformat(mp, 0), sizeof(efrom) - 1);
808 efrom[sizeof(efrom) - 1] = '\0';
809 }
810
811 if (hdr->flags & HBCC)
812 mp->m_bcc++;
813 if (np->m_ingrp)
814 mp->m_ingrp = np->m_ingrp;
815 else
816 if (mp->m_gname)
817 putgrp (namep, mp->m_gname, out, hdr->flags);
818 if (mp->m_ingrp)
819 grp++;
820 if (putadr (namep, qp, mp, out, hdr->flags))
821 msgflags |= (hdr->set & (MVIS | MINV));
822 else
823 mnfree (mp);
824 }
825 mp = np;
826 np = np->m_next;
827 mnfree (mp);
828 }
829 else {
830 /* Address includes a host, so no alias substitution is needed. */
831
832 /*
833 * If it's a From: or Resent-From header, save the address
834 * for later possible use (as the envelope address for SMTP)
835 */
836
837 if ((msgstate == RESENT) ? (hdr->set & MRFM)
838 : (hdr->set & MFRM)) {
839 strncpy(from, auxformat(mp, 0), sizeof(from) - 1);
840 fromcount = count;
841 }
842
843 /*
844 * Also save the Sender: header as well
845 */
846
847 if ((msgstate == RESENT) ? (hdr->set & MRSN)
848 : (hdr->set & MSND)) {
849 strncpy(sender, auxformat(mp, 0), sizeof(sender) - 1);
850 sender[sizeof(sender) - 1] = '\0';
851 seensender++;
852 }
853
854 /*
855 * ALSO ... save Envelope-From
856 */
857
858 if (hdr->set & MEFM) {
859 strncpy(efrom, auxformat(mp, 0), sizeof(efrom) - 1);
860 efrom[sizeof(efrom) - 1] = '\0';
861 }
862
863 if (hdr->flags & HBCC)
864 mp->m_bcc++;
865 if (mp->m_gname)
866 putgrp (namep, mp->m_gname, out, hdr->flags);
867 if (mp->m_ingrp)
868 grp++;
869 keep = putadr (namep, "", mp, out, hdr->flags);
870 np = mp->m_next;
871 if (keep) {
872 mp->m_next = NULL;
873 msgflags |= (hdr->set & (MVIS | MINV));
874 }
875 else
876 mnfree (mp);
877 }
878
879 if (grp > 0 && (hdr->flags & HNGR)) {
880 advise (NULL, "%s: field does not allow groups", name);
881 badmsg++;
882 }
883 if (linepos) {
884 putc ('\n', out);
885 }
886 }
887
888
889 static void
890 start_headers (void)
891 {
892 unsigned char *cp;
893 char sigbuf[BUFSIZ];
894 struct mailname *mp;
895
896 myuid = getuid ();
897 mygid = getgid ();
898 time (&tclock);
899
900 /*
901 * Probably not necessary, but just in case ...
902 */
903
904 from[0] = '\0';
905 efrom[0] = '\0';
906 sender[0] = '\0';
907
908 if ((cp = getfullname ()) && *cp) {
909 strncpy (sigbuf, cp, sizeof(sigbuf));
910 snprintf (signature, sizeof(signature), "%s <%s>",
911 sigbuf, getlocaladdr());
912 if ((cp = getname (signature)) == NULL)
913 adios (NULL, "getname () failed -- you lose extraordinarily big");
914 if ((mp = getm (cp, NULL, 0, AD_HOST, NULL)) == NULL)
915 adios (NULL, "bad signature '%s'", sigbuf);
916 mnfree (mp);
917 while (getname (""))
918 continue;
919 } else {
920 strncpy (signature, getlocaladdr(), sizeof(signature));
921 }
922 }
923
924
925 /*
926 * Now that we've outputted the header fields in the draft
927 * message, we will now output any remaining header fields
928 * that we need to add/create.
929 */
930
931 static void
932 finish_headers (FILE *out)
933 {
934 switch (msgstate) {
935 case NORMAL:
936 if (!(msgflags & MFRM)) {
937 /*
938 * A From: header is now required in the draft.
939 */
940 advise (NULL, "message has no From: header");
941 advise (NULL, "See default components files for examples");
942 badmsg++;
943 break;
944 }
945
946 if (fromcount > 1 && (seensender == 0 && !(msgflags & MEFM))) {
947 advise (NULL, "A Sender: or Envelope-From: header is required "
948 "with multiple\nFrom: addresses");
949 badmsg++;
950 break;
951 }
952
953 if (whomsw)
954 break;
955
956 fprintf (out, "Date: %s\n", dtime (&tclock, 0));
957 if (msgid)
958 fprintf (out, "Message-ID: <%d.%ld@%s>\n",
959 (int) getpid (), (long) tclock, LocalName (1));
960 /*
961 * If we have multiple From: addresses, make sure we have an
962 * Sender: header. If we don't have one, then generate one
963 * from Envelope-From: (which in this case, cannot be blank)
964 */
965
966 if (fromcount > 1 && seensender == 0) {
967 if (efrom[0] == '\0') {
968 advise (NULL, "Envelope-From cannot be blank when there "
969 "is multiple From: addresses\nand no Sender: "
970 "header");
971 badmsg++;
972 } else {
973 fprintf (out, "Sender: %s\n", efrom);
974 }
975 }
976
977 if (!(msgflags & MVIS))
978 fprintf (out, "Bcc: Blind Distribution List: ;\n");
979 break;
980
981 case RESENT:
982 if (!(msgflags & MDAT)) {
983 advise (NULL, "message has no Date: header");
984 badmsg++;
985 }
986 if (!(msgflags & MFRM)) {
987 advise (NULL, "message has no From: header");
988 badmsg++;
989 }
990 if (!(msgflags & MRFM)) {
991 advise (NULL, "message has no Resent-From: header");
992 advise (NULL, "See default components files for examples");
993 badmsg++;
994 break;
995 }
996 if (fromcount > 1 && (seensender == 0 && !(msgflags & MEFM))) {
997 advise (NULL, "A Resent-Sender: or Envelope-From: header is "
998 "required with multiple\nResent-From: addresses");
999 badmsg++;
1000 break;
1001 }
1002
1003 if (whomsw)
1004 break;
1005
1006 fprintf (out, "Resent-Date: %s\n", dtime (&tclock, 0));
1007 if (msgid)
1008 fprintf (out, "Resent-Message-ID: <%d.%ld@%s>\n",
1009 (int) getpid (), (long) tclock, LocalName (1));
1010 /*
1011 * If we have multiple Resent-From: addresses, make sure we have an
1012 * Resent-Sender: header. If we don't have one, then generate one
1013 * from Envelope-From (which in this case, cannot be blank)
1014 */
1015
1016 if (fromcount > 1 && seensender == 0) {
1017 if (efrom[0] == '\0') {
1018 advise (NULL, "Envelope-From cannot be blank when there "
1019 "is multiple Resent-From: addresses and no "
1020 "Resent-Sender: header");
1021 badmsg++;
1022 } else {
1023 fprintf (out, "Resent-Sender: %s\n", efrom);
1024 }
1025 }
1026
1027 if (!(msgflags & MVIS))
1028 fprintf (out, "Resent-Bcc: Blind Re-Distribution List: ;\n");
1029 break;
1030 }
1031
1032 if (badmsg)
1033 adios (NULL, "re-format message and try again");
1034 if (!recipients)
1035 adios (NULL, "no addressees");
1036 }
1037
1038
1039 static int
1040 get_header (char *header, struct headers *table)
1041 {
1042 struct headers *h;
1043
1044 for (h = table; h->value; h++)
1045 if (!mh_strcasecmp (header, h->value))
1046 return (h - table);
1047
1048 return NOTOK;
1049 }
1050
1051
1052 static int
1053 putadr (char *name, char *aka, struct mailname *mp, FILE *out, unsigned int flags)
1054 {
1055 int len;
1056 char *cp;
1057 char buffer[BUFSIZ];
1058
1059 if (mp->m_mbox == NULL || ((flags & HTRY) && !insert (mp)))
1060 return 0;
1061 if ((flags & (HBCC | HDCC | HEFM)) || mp->m_ingrp)
1062 return 1;
1063
1064 if (!nameoutput) {
1065 fprintf (out, "%s: ", name);
1066 linepos += (nameoutput = strlen (name) + 2);
1067 }
1068
1069 if (*aka && mp->m_type != UUCPHOST && !mp->m_pers)
1070 mp->m_pers = getcpy (aka);
1071 if (format) {
1072 if (mp->m_gname) {
1073 snprintf (buffer, sizeof(buffer), "%s;", mp->m_gname);
1074 cp = buffer;
1075 } else {
1076 cp = adrformat (mp);
1077 }
1078 } else {
1079 cp = mp->m_text;
1080 }
1081 len = strlen (cp);
1082
1083 if (linepos != nameoutput) {
1084 if (len + linepos + 2 > outputlinelen)
1085 fprintf (out, ",\n%*s", linepos = nameoutput, "");
1086 else {
1087 fputs (", ", out);
1088 linepos += 2;
1089 }
1090 }
1091
1092 fputs (cp, out);
1093 linepos += len;
1094
1095 return (flags & HTRY);
1096 }
1097
1098
1099 static void
1100 putgrp (char *name, char *group, FILE *out, unsigned int flags)
1101 {
1102 int len;
1103 char *cp;
1104
1105 if (flags & HBCC)
1106 return;
1107
1108 if (!nameoutput) {
1109 fprintf (out, "%s: ", name);
1110 linepos += (nameoutput = strlen (name) + 2);
1111 }
1112
1113 cp = concat (group, ";", NULL);
1114 len = strlen (cp);
1115
1116 if (linepos > nameoutput) {
1117 if (len + linepos + 2 > outputlinelen) {
1118 fprintf (out, ",\n%*s", nameoutput, "");
1119 linepos = nameoutput;
1120 }
1121 else {
1122 fputs (", ", out);
1123 linepos += 2;
1124 }
1125 }
1126
1127 fputs (cp, out);
1128 linepos += len;
1129 }
1130
1131
1132 static int
1133 insert (struct mailname *np)
1134 {
1135 struct mailname *mp;
1136
1137 if (np->m_mbox == NULL)
1138 return 0;
1139
1140 for (mp = np->m_type == LOCALHOST ? &localaddrs
1141 : np->m_type == UUCPHOST ? &uuaddrs
1142 : &netaddrs;
1143 mp->m_next;
1144 mp = mp->m_next)
1145 if (!mh_strcasecmp (np->m_host, mp->m_next->m_host)
1146 && !mh_strcasecmp (np->m_mbox, mp->m_next->m_mbox)
1147 && np->m_bcc == mp->m_next->m_bcc)
1148 return 0;
1149
1150 mp->m_next = np;
1151 recipients++;
1152 return 1;
1153 }
1154
1155
1156 static void
1157 pl (void)
1158 {
1159 int i;
1160 struct mailname *mp;
1161
1162 printf ("-------\n\t-- Addresses --\nlocal:\t");
1163 for (mp = localaddrs.m_next; mp; mp = mp->m_next)
1164 printf ("%s%s%s", mp->m_mbox,
1165 mp->m_bcc ? "[BCC]" : "",
1166 mp->m_next ? ",\n\t" : "");
1167
1168 printf ("\nnet:\t");
1169 for (mp = netaddrs.m_next; mp; mp = mp->m_next)
1170 printf ("%s%s@%s%s%s", mp->m_path ? mp->m_path : "",
1171 mp->m_mbox, mp->m_host,
1172 mp->m_bcc ? "[BCC]" : "",
1173 mp->m_next ? ",\n\t" : "");
1174
1175 printf ("\nuucp:\t");
1176 for (mp = uuaddrs.m_next; mp; mp = mp->m_next)
1177 printf ("%s!%s%s%s", mp->m_host, mp->m_mbox,
1178 mp->m_bcc ? "[BCC]" : "",
1179 mp->m_next ? ",\n\t" : "");
1180
1181 printf ("\n\t-- Folder Copies --\nfcc:\t");
1182 for (i = 0; i < fccind; i++)
1183 printf ("%s%s", fccfold[i], i + 1 < fccind ? ",\n\t" : "");
1184 printf ("\n");
1185 }
1186
1187
1188 static void
1189 anno (void)
1190 {
1191 struct mailname *mp;
1192
1193 for (mp = localaddrs.m_next; mp; mp = mp->m_next)
1194 if (annoaux (mp) == NOTOK)
1195 goto oops;
1196
1197 for (mp = netaddrs.m_next; mp; mp = mp->m_next)
1198 if (annoaux (mp) == NOTOK)
1199 goto oops;
1200
1201 for (mp = uuaddrs.m_next; mp; mp = mp->m_next)
1202 if (annoaux (mp) == NOTOK)
1203 break;
1204
1205 oops: ;
1206 close (pfd);
1207 pfd = NOTOK;
1208 }
1209
1210
1211 static int
1212 annoaux (struct mailname *mp)
1213 {
1214 int i;
1215 char buffer[BUFSIZ];
1216
1217 snprintf (buffer, sizeof(buffer), "%s\n", adrformat (mp));
1218 i = strlen (buffer);
1219
1220 return (write (pfd, buffer, i) == i ? OK : NOTOK);
1221 }
1222
1223
1224 static void
1225 insert_fcc (struct headers *hdr, unsigned char *pp)
1226 {
1227 unsigned char *cp;
1228
1229 for (cp = pp; isspace (*cp); cp++)
1230 continue;
1231 for (pp += strlen (pp) - 1; pp > cp && isspace (*pp); pp--)
1232 continue;
1233 if (pp >= cp)
1234 *++pp = 0;
1235 if (*cp == 0)
1236 return;
1237
1238 if (fccind >= FCCS)
1239 adios (NULL, "too many %ss", hdr->value);
1240 fccfold[fccind++] = getcpy (cp);
1241 }
1242
1243 /*
1244 * BCC GENERATION
1245 */
1246
1247 static void
1248 make_bcc_file (int dashstuff)
1249 {
1250 int fd, i;
1251 pid_t child_id;
1252 char *vec[6];
1253 FILE *out;
1254 char *tfile = NULL;
1255
1256 tfile = m_mktemp2(NULL, "bccs", NULL, &out);
1257 if (tfile == NULL) adios("bcc", "unable to create temporary file");
1258 chmod (bccfil, 0600);
1259 strncpy (bccfil, tfile, sizeof(bccfil));
1260
1261 fprintf (out, "Date: %s\n", dtime (&tclock, 0));
1262 if (msgid)
1263 fprintf (out, "Message-ID: <%d.%ld@%s>\n",
1264 (int) getpid (), (long) tclock, LocalName (1));
1265 if (subject)
1266 fprintf (out, "Subject: %s", subject);
1267 fprintf (out, "BCC:\n");
1268
1269 /*
1270 * Use MIME encapsulation for Bcc messages
1271 */
1272 if (mime) {
1273 char *cp;
1274
1275 /*
1276 * Check if any lines in the message clash with the
1277 * prefix for the MIME multipart separator. If there
1278 * is a clash, increment one of the letters in the
1279 * prefix and check again.
1280 */
1281 if ((cp = strchr(prefix, 'a')) == NULL)
1282 adios (NULL, "lost prefix start");
1283 while (find_prefix () == NOTOK) {
1284 if (*cp < 'z')
1285 (*cp)++;
1286 else
1287 if (*++cp == 0)
1288 adios (NULL, "can't find a unique delimiter string");
1289 else
1290 (*cp)++;
1291 }
1292
1293 fprintf (out, "%s: %s\n%s: multipart/digest; boundary=\"",
1294 VRSN_FIELD, VRSN_VALUE, TYPE_FIELD);
1295 fprintf (out, "%s\"\n\n--%s\n\n", prefix, prefix);
1296 } else {
1297 fprintf (out, "\n------- Blind-Carbon-Copy\n\n");
1298 }
1299
1300 fflush (out);
1301
1302 /*
1303 * Do mhl filtering of Bcc messages instead
1304 * of MIME encapsulation.
1305 */
1306 if (filter != NULL) {
1307 vec[0] = r1bindex (mhlproc, '/');
1308
1309 for (i = 0; (child_id = fork()) == NOTOK && i < 5; i++)
1310 sleep (5);
1311 switch (child_id) {
1312 case NOTOK:
1313 adios ("fork", "unable to");
1314
1315 case OK:
1316 dup2 (fileno (out), 1);
1317
1318 i = 1;
1319 vec[i++] = "-forward";
1320 vec[i++] = "-form";
1321 vec[i++] = filter;
1322 vec[i++] = tmpfil;
1323
1324 /* was the flag -[no]dashstuffing specified? */
1325 if (dashstuff > 0)
1326 vec[i++] = "-dashstuffing";
1327 else if (dashstuff < 0)
1328 vec[i++] = "-nodashstuffing";
1329 vec[i] = NULL;
1330
1331 execvp (mhlproc, vec);
1332 fprintf (stderr, "unable to exec ");
1333 perror (mhlproc);
1334 _exit (-1);
1335
1336 default:
1337 pidXwait (child_id, mhlproc);
1338 break;
1339 }
1340 } else {
1341 if ((fd = open (tmpfil, O_RDONLY)) == NOTOK)
1342 adios (tmpfil, "unable to re-open");
1343
1344 /*
1345 * If using MIME encapsulation, or if the -nodashstuffing
1346 * flag was given, then just copy message. Else do
1347 * RFC934 quoting (dashstuffing).
1348 */
1349 if (mime || dashstuff < 0)
1350 cpydata (fd, fileno (out), tmpfil, bccfil);
1351 else
1352 cpydgst (fd, fileno (out), tmpfil, bccfil);
1353 close (fd);
1354 }
1355
1356 fseek (out, 0L, SEEK_END);
1357 if (mime)
1358 fprintf (out, "\n--%s--\n", prefix);
1359 else
1360 fprintf (out, "\n------- End of Blind-Carbon-Copy\n");
1361 fclose (out);
1362 }
1363
1364
1365 /*
1366 * Scan message to check if any lines clash with
1367 * the prefix of the MIME multipart separator.
1368 */
1369
1370 static int
1371 find_prefix (void)
1372 {
1373 int result = OK;
1374 unsigned char buffer[BUFSIZ];
1375 FILE *in;
1376
1377 if ((in = fopen (tmpfil, "r")) == NULL)
1378 adios (tmpfil, "unable to re-open");
1379
1380 while (fgets (buffer, sizeof(buffer) - 1, in))
1381 if (buffer[0] == '-' && buffer[1] == '-') {
1382 unsigned char *cp;
1383
1384 for (cp = buffer + strlen (buffer) - 1; cp >= buffer; cp--)
1385 if (!isspace (*cp))
1386 break;
1387 *++cp = '\0';
1388 if (strcmp (buffer + 2, prefix) == 0) {
1389 result = NOTOK;
1390 break;
1391 }
1392 }
1393
1394 fclose (in);
1395 return result;
1396 }
1397
1398
1399 #define plural(x) (x == 1 ? "" : "s")
1400
1401 static void
1402 chkadr (void)
1403 {
1404 if (badadr && unkadr)
1405 die (NULL, "%d address%s unparsable, %d addressee%s undeliverable",
1406 badadr, plural (badadr), unkadr, plural (badadr));
1407 if (badadr)
1408 die (NULL, "%d address%s unparsable", badadr, plural (badadr));
1409 if (unkadr)
1410 die (NULL, "%d addressee%s undeliverable", unkadr, plural (unkadr));
1411 }
1412
1413
1414 static void
1415 do_addresses (int bccque, int talk)
1416 {
1417 int retval;
1418 int state;
1419 struct mailname *lp;
1420
1421 state = 0;
1422 for (lp = localaddrs.m_next; lp; lp = lp->m_next)
1423 if (lp->m_bcc ? bccque : !bccque) {
1424 if (talk && !state)
1425 printf (" -- Local Recipients --\n");
1426 do_an_address (lp, talk);
1427 state++;
1428 }
1429
1430 state = 0;
1431 for (lp = uuaddrs.m_next; lp; lp = lp->m_next)
1432 if (lp->m_bcc ? bccque : !bccque) {
1433 if (talk && !state)
1434 printf (" -- UUCP Recipients --\n");
1435 do_an_address (lp, talk);
1436 state++;
1437 }
1438
1439 state = 0;
1440 for (lp = netaddrs.m_next; lp; lp = lp->m_next)
1441 if (lp->m_bcc ? bccque : !bccque) {
1442 if (talk && !state)
1443 printf (" -- Network Recipients --\n");
1444 do_an_address (lp, talk);
1445 state++;
1446 }
1447
1448 chkadr ();
1449
1450 if (rp_isbad (retval = sm_waend ()))
1451 die (NULL, "problem ending addresses; %s", rp_string (retval));
1452 }
1453
1454
1455 /*
1456 * MTS-SPECIFIC INTERACTION
1457 */
1458
1459
1460 /*
1461 * SENDMAIL/SMTP routines
1462 */
1463
1464 static void
1465 post (char *file, int bccque, int talk, char *envelope)
1466 {
1467 int fd, onex;
1468 int retval;
1469
1470 onex = !(msgflags & MINV) || bccque;
1471 if (verbose) {
1472 if (msgflags & MINV)
1473 printf (" -- Posting for %s Recipients --\n",
1474 bccque ? "Blind" : "Sighted");
1475 else
1476 printf (" -- Posting for All Recipients --\n");
1477 }
1478
1479 sigon ();
1480
1481 if (rp_isbad (retval = sm_init (clientsw, serversw, port, watch, verbose,
1482 snoop, onex, queued, sasl, saslssf,
1483 saslmech, user, tls))
1484 || rp_isbad (retval = sm_winit (envelope)))
1485 die (NULL, "problem initializing server; %s", rp_string (retval));
1486
1487 do_addresses (bccque, talk && verbose);
1488 if ((fd = open (file, O_RDONLY)) == NOTOK)
1489 die (file, "unable to re-open");
1490 do_text (file, fd);
1491 close (fd);
1492 fflush (stdout);
1493
1494 sm_end (onex ? OK : DONE);
1495 sigoff ();
1496
1497 if (verbose) {
1498 if (msgflags & MINV)
1499 printf (" -- %s Recipient Copies Posted --\n",
1500 bccque ? "Blind" : "Sighted");
1501 else
1502 printf (" -- Recipient Copies Posted --\n");
1503 }
1504
1505 fflush (stdout);
1506 }
1507
1508
1509 /* Address Verification */
1510
1511 static void
1512 verify_all_addresses (int talk, char *envelope)
1513 {
1514 int retval;
1515 struct mailname *lp;
1516
1517 sigon ();
1518
1519 if (!whomsw || checksw)
1520 if (rp_isbad (retval = sm_init (clientsw, serversw, port, watch,
1521 verbose, snoop, 0, queued, sasl,
1522 saslssf, saslmech, user, tls))
1523 || rp_isbad (retval = sm_winit (envelope)))
1524 die (NULL, "problem initializing server; %s", rp_string (retval));
1525
1526 if (talk && !whomsw)
1527 printf (" -- Address Verification --\n");
1528 if (talk && localaddrs.m_next)
1529 printf (" -- Local Recipients --\n");
1530 for (lp = localaddrs.m_next; lp; lp = lp->m_next)
1531 do_an_address (lp, talk);
1532
1533 if (talk && uuaddrs.m_next)
1534 printf (" -- UUCP Recipients --\n");
1535 for (lp = uuaddrs.m_next; lp; lp = lp->m_next)
1536 do_an_address (lp, talk);
1537
1538 if (talk && netaddrs.m_next)
1539 printf (" -- Network Recipients --\n");
1540 for (lp = netaddrs.m_next; lp; lp = lp->m_next)
1541 do_an_address (lp, talk);
1542
1543 chkadr ();
1544 if (talk && !whomsw)
1545 printf (" -- Address Verification Successful --\n");
1546
1547 if (!whomsw || checksw)
1548 sm_end (DONE);
1549
1550 fflush (stdout);
1551 sigoff ();
1552 }
1553
1554
1555 static void
1556 do_an_address (struct mailname *lp, int talk)
1557 {
1558 int retval;
1559 char *mbox, *host;
1560 char addr[BUFSIZ];
1561
1562 switch (lp->m_type) {
1563 case LOCALHOST:
1564 mbox = lp->m_mbox;
1565 host = lp->m_host;
1566 strncpy (addr, mbox, sizeof(addr));
1567 break;
1568
1569 case UUCPHOST:
1570 mbox = auxformat (lp, 0);
1571 host = NULL;
1572 snprintf (addr, sizeof(addr), "%s!%s", lp->m_host, lp->m_mbox);
1573 break;
1574
1575 default: /* let SendMail decide if the host is bad */
1576 mbox = lp->m_mbox;
1577 host = lp->m_host;
1578 snprintf (addr, sizeof(addr), "%s at %s", mbox, host);
1579 break;
1580 }
1581
1582 if (talk)
1583 printf (" %s%s", addr, whomsw && lp->m_bcc ? "[BCC]" : "");
1584
1585 if (whomsw && !checksw) {
1586 putchar ('\n');
1587 return;
1588 }
1589 if (talk)
1590 printf (": ");
1591 fflush (stdout);
1592
1593 switch (retval = sm_wadr (mbox, host,
1594 lp->m_type != UUCPHOST ? lp->m_path : NULL)) {
1595 case RP_OK:
1596 if (talk)
1597 printf ("address ok\n");
1598 break;
1599
1600 case RP_NO:
1601 case RP_USER:
1602 if (!talk)
1603 fprintf (stderr, " %s: ", addr);
1604 fprintf (talk ? stdout : stderr, "loses; %s\n",
1605 rp_string (retval));
1606 unkadr++;
1607 break;
1608
1609 default:
1610 if (!talk)
1611 fprintf (stderr, " %s: ", addr);
1612 die (NULL, "unexpected response; %s", rp_string (retval));
1613 }
1614
1615 fflush (stdout);
1616 }
1617
1618
1619 static void
1620 do_text (char *file, int fd)
1621 {
1622 int retval, state;
1623 char buf[BUFSIZ];
1624
1625 lseek (fd, (off_t) 0, SEEK_SET);
1626
1627 while ((state = read (fd, buf, sizeof(buf))) > 0) {
1628 if (rp_isbad (retval = sm_wtxt (buf, state)))
1629 die (NULL, "problem writing text; %s\n", rp_string (retval));
1630 }
1631
1632 if (state == NOTOK)
1633 die (file, "problem reading from");
1634
1635 switch (retval = sm_wtend ()) {
1636 case RP_OK:
1637 break;
1638
1639 case RP_NO:
1640 case RP_NDEL:
1641 die (NULL, "posting failed; %s", rp_string (retval));
1642
1643 default:
1644 die (NULL, "unexpected response; %s", rp_string (retval));
1645 }
1646 }
1647
1648
1649 /*
1650 * SIGNAL HANDLING
1651 */
1652
1653 static void
1654 sigser (int i)
1655 {
1656 NMH_UNUSED (i);
1657
1658 unlink (tmpfil);
1659 if (msgflags & MINV)
1660 unlink (bccfil);
1661
1662 if (!whomsw || checksw)
1663 sm_end (NOTOK);
1664
1665 done (1);
1666 }
1667
1668
1669 static void
1670 sigon (void)
1671 {
1672 if (debug)
1673 return;
1674
1675 hstat = SIGNAL2 (SIGHUP, sigser);
1676 istat = SIGNAL2 (SIGINT, sigser);
1677 qstat = SIGNAL2 (SIGQUIT, sigser);
1678 tstat = SIGNAL2 (SIGTERM, sigser);
1679 }
1680
1681
1682 static void
1683 sigoff (void)
1684 {
1685 if (debug)
1686 return;
1687
1688 SIGNAL (SIGHUP, hstat);
1689 SIGNAL (SIGINT, istat);
1690 SIGNAL (SIGQUIT, qstat);
1691 SIGNAL (SIGTERM, tstat);
1692 }
1693
1694 /*
1695 * FCC INTERACTION
1696 */
1697
1698 static void
1699 p_refile (char *file)
1700 {
1701 int i;
1702
1703 if (fccind == 0)
1704 return;
1705
1706 if (verbose)
1707 printf (" -- Filing Folder Copies --\n");
1708 for (i = 0; i < fccind; i++)
1709 fcc (file, fccfold[i]);
1710 if (verbose)
1711 printf (" -- Folder Copies Filed --\n");
1712 }
1713
1714
1715 /*
1716 * Call the `fileproc' to add the file to the folder.
1717 */
1718
1719 static void
1720 fcc (char *file, char *folder)
1721 {
1722 pid_t child_id;
1723 int i, status;
1724 char fold[BUFSIZ];
1725
1726 if (verbose)
1727 printf (" %sFcc %s: ", msgstate == RESENT ? "Resent-" : "", folder);
1728 fflush (stdout);
1729
1730 for (i = 0; (child_id = fork ()) == NOTOK && i < 5; i++)
1731 sleep (5);
1732
1733 switch (child_id) {
1734 case NOTOK:
1735 if (!verbose)
1736 fprintf (stderr, " %sFcc %s: ",
1737 msgstate == RESENT ? "Resent-" : "", folder);
1738 fprintf (verbose ? stdout : stderr, "no forks, so not ok\n");
1739 break;
1740
1741 case OK:
1742 /* see if we need to add `+' */
1743 snprintf (fold, sizeof(fold), "%s%s",
1744 *folder == '+' || *folder == '@' ? "" : "+", folder);
1745
1746 /* now exec the fileproc */
1747 execlp (fileproc, r1bindex (fileproc, '/'),
1748 "-link", "-file", file, fold, NULL);
1749 _exit (-1);
1750
1751 default:
1752 if ((status = pidwait (child_id, OK))) {
1753 if (!verbose)
1754 fprintf (stderr, " %sFcc %s: ",
1755 msgstate == RESENT ? "Resent-" : "", folder);
1756 pidstatus (status, verbose ? stdout : stderr, NULL);
1757 } else {
1758 if (verbose)
1759 printf ("folder ok\n");
1760 }
1761 }
1762
1763 fflush (stdout);
1764 }
1765
1766 /*
1767 * TERMINATION
1768 */
1769
1770 static void
1771 die (char *what, char *fmt, ...)
1772 {
1773 va_list ap;
1774
1775 unlink (tmpfil);
1776 if (msgflags & MINV)
1777 unlink (bccfil);
1778
1779 if (!whomsw || checksw)
1780 sm_end (NOTOK);
1781
1782 va_start(ap, fmt);
1783 advertise (what, NULL, fmt, ap);
1784 va_end(ap);
1785 done (1);
1786 }
Fork of https://git.savannah.nongnu.org/cgit/nmh.git