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Fix warning in getaddrinfo() call.
[nmh] / uip / post.c
1
2 /*
3 * post.c -- enter messages into the mail transport system
4 *
5 * $Id$
6 *
7 * This code is Copyright (c) 2002, by the authors of nmh. See the
8 * COPYRIGHT file in the root directory of the nmh distribution for
9 * complete copyright information.
10 */
11
12 #include <h/mh.h>
13 #include <fcntl.h>
14 #include <h/signals.h>
15 #include <h/addrsbr.h>
16 #include <h/aliasbr.h>
17 #include <h/dropsbr.h>
18 #include <h/mime.h>
19 #include <h/utils.h>
20
21 #include <h/tws.h>
22 #include <h/mts.h>
23
24 #include <errno.h>
25 #include <setjmp.h>
26 #include <signal.h>
27
28 #ifdef TIME_WITH_SYS_TIME
29 # include <sys/time.h>
30 # include <time.h>
31 #else
32 # ifdef TM_IN_SYS_TIME
33 # include <sys/time.h>
34 # else
35 # include <time.h>
36 # endif
37 #endif
38
39 #ifdef SMTPMTS
40 # include <mts/smtp/smtp.h>
41 #endif
42
43 #ifndef CYRUS_SASL
44 # define SASLminc(a) (a)
45 #else /* CYRUS_SASL */
46 # define SASLminc(a) 0
47 #endif /* CYRUS_SASL */
48
49 #define FCCS 10 /* max number of fccs allowed */
50
51 #define uptolow(c) ((isalpha(c) && isupper (c)) ? tolower (c) : c)
52
53 /* In the following array of structures, the numeric second field of the
54 structures (minchars) is apparently used like this:
55
56 -# : Switch can be abbreviated to # characters; switch hidden in -help.
57 0 : Switch can't be abbreviated; switch shown in -help.
58 # : Switch can be abbreviated to # characters; switch shown in -help. */
59
60 static struct swit switches[] = {
61 #define ALIASW 0
62 { "alias aliasfile", 0 },
63 #define CHKSW 1
64 { "check", -5 }, /* interface from whom */
65 #define NCHKSW 2
66 { "nocheck", -7 }, /* interface from whom */
67 #define DEBUGSW 3
68 { "debug", -5 },
69 #define DISTSW 4
70 { "dist", -4 }, /* interface from dist */
71 #define FILTSW 5
72 { "filter filterfile", 0 },
73 #define NFILTSW 6
74 { "nofilter", 0 },
75 #define FRMTSW 7
76 { "format", 0 },
77 #define NFRMTSW 8
78 { "noformat", 0 },
79 #define LIBSW 9
80 { "library directory", -7 }, /* interface from send, whom */
81 #define MIMESW 10
82 { "mime", 0 },
83 #define NMIMESW 11
84 { "nomime", 0 },
85 #define MSGDSW 12
86 { "msgid", 0 },
87 #define NMSGDSW 13
88 { "nomsgid", 0 },
89 #define VERBSW 14
90 { "verbose", 0 },
91 #define NVERBSW 15
92 { "noverbose", 0 },
93 #define WATCSW 16
94 { "watch", 0 },
95 #define NWATCSW 17
96 { "nowatch", 0 },
97 #define WHOMSW 18
98 { "whom", -4 }, /* interface from whom */
99 #define WIDTHSW 19
100 { "width columns", 0 },
101 #define VERSIONSW 20
102 { "version", 0 },
103 #define HELPSW 21
104 { "help", 0 },
105 #define BITSTUFFSW 22
106 { "dashstuffing", -12 }, /* should we dashstuff BCC messages? */
107 #define NBITSTUFFSW 23
108 { "nodashstuffing", -14 },
109 #define MAILSW 24
110 { "mail", -4 }, /* specify MAIL smtp mode */
111 #define SAMLSW 25
112 { "saml", -4 }, /* specify SAML smtp mode */
113 #define SENDSW 26
114 { "send", -4 }, /* specify SEND smtp mode */
115 #define SOMLSW 27
116 { "soml", -4 }, /* specify SOML smtp mode */
117 #define ANNOSW 28
118 { "idanno number", -6 }, /* interface from send */
119 #define DLVRSW 29
120 { "deliver address-list", -7 },
121 #define CLIESW 30
122 { "client host", -6 },
123 #define SERVSW 31
124 { "server host", -6 }, /* specify alternate SMTP server */
125 #define SNOOPSW 32
126 { "snoop", -5 }, /* snoop the SMTP transaction */
127 #define FILLSW 33
128 { "fill-in file", -7 },
129 #define FILLUSW 34
130 { "fill-up", -7 },
131 #define PARTSW 35
132 { "partno", -6 },
133 #define QUEUESW 36
134 { "queued", -6 },
135 #define SASLSW 37
136 { "sasl", SASLminc(-4) },
137 #define SASLMECHSW 38
138 { "saslmech", SASLminc(-5) },
139 #define USERSW 39
140 { "user", SASLminc(-4) },
141 #define PORTSW 40
142 { "port server port name/number", 4 },
143 { NULL, 0 }
144 };
145
146
147 struct headers {
148 char *value;
149 unsigned int flags;
150 unsigned int set;
151 };
152
153 /*
154 * flags for headers->flags
155 */
156 #define HNOP 0x0000 /* just used to keep .set around */
157 #define HBAD 0x0001 /* bad header - don't let it through */
158 #define HADR 0x0002 /* header has an address field */
159 #define HSUB 0x0004 /* Subject: header */
160 #define HTRY 0x0008 /* try to send to addrs on header */
161 #define HBCC 0x0010 /* don't output this header */
162 #define HMNG 0x0020 /* munge this header */
163 #define HNGR 0x0040 /* no groups allowed in this header */
164 #define HFCC 0x0080 /* FCC: type header */
165 #define HNIL 0x0100 /* okay for this header not to have addrs */
166 #define HIGN 0x0200 /* ignore this header */
167 #define HDCC 0x0400 /* another undocumented feature */
168
169 /*
170 * flags for headers->set
171 */
172 #define MFRM 0x0001 /* we've seen a From: */
173 #define MDAT 0x0002 /* we've seen a Date: */
174 #define MRFM 0x0004 /* we've seen a Resent-From: */
175 #define MVIS 0x0008 /* we've seen sighted addrs */
176 #define MINV 0x0010 /* we've seen blind addrs */
177
178
179 static struct headers NHeaders[] = {
180 { "Return-Path", HBAD, 0 },
181 { "Received", HBAD, 0 },
182 { "Reply-To", HADR|HNGR, 0 },
183 { "From", HADR|HNGR, MFRM },
184 { "Sender", HADR|HBAD, 0 },
185 { "Date", HBAD, 0 },
186 { "Subject", HSUB, 0 },
187 { "To", HADR|HTRY, MVIS },
188 { "cc", HADR|HTRY, MVIS },
189 { "Bcc", HADR|HTRY|HBCC|HNIL, MINV },
190 { "Dcc", HADR|HTRY|HDCC|HNIL, MVIS }, /* sorta cc & bcc combined */
191 { "Message-ID", HBAD, 0 },
192 { "Fcc", HFCC, 0 },
193 { NULL, 0, 0 }
194 };
195
196 static struct headers RHeaders[] = {
197 { "Resent-Reply-To", HADR|HNGR, 0 },
198 { "Resent-From", HADR|HNGR, MRFM },
199 { "Resent-Sender", HADR|HBAD, 0 },
200 { "Resent-Date", HBAD, 0 },
201 { "Resent-Subject", HSUB, 0 },
202 { "Resent-To", HADR|HTRY, MVIS },
203 { "Resent-cc", HADR|HTRY, MVIS },
204 { "Resent-Bcc", HADR|HTRY|HBCC, MINV },
205 { "Resent-Message-ID", HBAD, 0 },
206 { "Resent-Fcc", HFCC, 0 },
207 { "Reply-To", HADR, 0 },
208 { "From", HADR|HNGR, MFRM },
209 { "Sender", HADR|HNGR, 0 },
210 { "Date", HNOP, MDAT },
211 { "To", HADR|HNIL, 0 },
212 { "cc", HADR|HNIL, 0 },
213 { "Bcc", HADR|HTRY|HBCC|HNIL, 0 },
214 { "Fcc", HIGN, 0 },
215 { NULL, 0, 0 }
216 };
217
218 static short fccind = 0; /* index into fccfold[] */
219 static short outputlinelen = OUTPUTLINELEN;
220
221 static int pfd = NOTOK; /* fd to write annotation list to */
222 static uid_t myuid= -1; /* my user id */
223 static gid_t mygid= -1; /* my group id */
224 static int recipients = 0; /* how many people will get a copy */
225 static int unkadr = 0; /* how many of those were unknown */
226 static int badadr = 0; /* number of bad addrs */
227 static int badmsg = 0; /* message has bad semantics */
228 static int verbose = 0; /* spell it out */
229 static int format = 1; /* format addresses */
230 static int mime = 0; /* use MIME-style encapsulations for Bcc */
231 static int msgid = 0; /* add msgid */
232 static int debug = 0; /* debugging post */
233 static int watch = 0; /* watch the delivery process */
234 static int whomsw = 0; /* we are whom not post */
235 static int checksw = 0; /* whom -check */
236 static int linepos=0; /* putadr()'s position on the line */
237 static int nameoutput=0; /* putadr() has output header name */
238 static int sasl=0; /* Use SASL auth for SMTP */
239 static char *saslmech=NULL; /* Force use of particular SASL mech */
240 static char *user=NULL; /* Authenticate as this user */
241 static char *port="smtp"; /* Name of server port for SMTP */
242
243 static unsigned msgflags = 0; /* what we've seen */
244
245 #define NORMAL 0
246 #define RESENT 1
247 static int msgstate = NORMAL;
248
249 static time_t tclock = 0; /* the time we started (more or less) */
250
251 static SIGNAL_HANDLER hstat, istat, qstat, tstat;
252
253 static char tmpfil[BUFSIZ];
254 static char bccfil[BUFSIZ];
255
256 static char from[BUFSIZ]; /* my network address */
257 static char signature[BUFSIZ]; /* my signature */
258 static char *filter = NULL; /* the filter for BCC'ing */
259 static char *subject = NULL; /* the subject field for BCC'ing */
260 static char *fccfold[FCCS]; /* foldernames for FCC'ing */
261
262 static struct headers *hdrtab; /* table for the message we're doing */
263
264 static struct mailname localaddrs={NULL}; /* local addrs */
265 static struct mailname netaddrs={NULL}; /* network addrs */
266 static struct mailname uuaddrs={NULL}; /* uucp addrs */
267 static struct mailname tmpaddrs={NULL}; /* temporary queue */
268
269 #ifdef SMTPMTS
270 static int snoop = 0;
271 static int smtpmode = S_MAIL;
272 static char *clientsw = NULL;
273 static char *serversw = NULL;
274
275 extern struct smtp sm_reply;
276 #endif /* SMTPMTS */
277
278 static char prefix[] = "----- =_aaaaaaaaaa";
279
280 static int fill_up = 0;
281 static char *fill_in = NULL;
282 static char *partno = NULL;
283 static int queued = 0;
284
285 extern boolean draft_from_masquerading; /* defined in mts.c */
286
287 /*
288 * static prototypes
289 */
290 static void putfmt (char *, char *, FILE *);
291 static void start_headers (void);
292 static void finish_headers (FILE *);
293 static int get_header (char *, struct headers *);
294 static int putadr (char *, char *, struct mailname *, FILE *, unsigned int);
295 static void putgrp (char *, char *, FILE *, unsigned int);
296 static int insert (struct mailname *);
297 static void pl (void);
298 static void anno (void);
299 static int annoaux (struct mailname *);
300 static void insert_fcc (struct headers *, unsigned char *);
301 static void make_bcc_file (int);
302 static void verify_all_addresses (int);
303 static void chkadr (void);
304 static void sigon (void);
305 static void sigoff (void);
306 static void p_refile (char *);
307 static void fcc (char *, char *);
308 static void die (char *, char *, ...);
309 static void post (char *, int, int);
310 static void do_text (char *file, int fd);
311 static void do_an_address (struct mailname *, int);
312 static void do_addresses (int, int);
313 static int find_prefix (void);
314
315
316 int
317 main (int argc, char **argv)
318 {
319 int state, compnum, dashstuff = 0;
320 char *cp, *msg = NULL, **argp, **arguments;
321 char buf[BUFSIZ], name[NAMESZ];
322 FILE *in, *out;
323
324 #ifdef LOCALE
325 setlocale(LC_ALL, "");
326 #endif
327 invo_name = r1bindex (argv[0], '/');
328
329 /* foil search of user profile/context */
330 if (context_foil (NULL) == -1)
331 done (1);
332
333 mts_init (invo_name);
334 arguments = getarguments (invo_name, argc, argv, 0);
335 argp = arguments;
336
337 while ((cp = *argp++)) {
338 if (*cp == '-') {
339 switch (smatch (++cp, switches)) {
340 case AMBIGSW:
341 ambigsw (cp, switches);
342 done (1);
343 case UNKWNSW:
344 adios (NULL, "-%s unknown", cp);
345
346 case HELPSW:
347 snprintf (buf, sizeof(buf), "%s [switches] file", invo_name);
348 print_help (buf, switches, 0);
349 done (1);
350 case VERSIONSW:
351 print_version(invo_name);
352 done (1);
353
354 case LIBSW:
355 if (!(cp = *argp++) || *cp == '-')
356 adios (NULL, "missing argument to %s", argp[-2]);
357 /* create a minimal context */
358 if (context_foil (cp) == -1)
359 done (1);
360 continue;
361
362 case ALIASW:
363 if (!(cp = *argp++) || *cp == '-')
364 adios (NULL, "missing argument to %s", argp[-2]);
365 if ((state = alias (cp)) != AK_OK)
366 adios (NULL, "aliasing error in %s - %s",
367 cp, akerror (state));
368 continue;
369
370 case CHKSW:
371 checksw++;
372 continue;
373 case NCHKSW:
374 checksw = 0;
375 continue;
376
377 case DEBUGSW:
378 debug++;
379 continue;
380
381 case DISTSW:
382 msgstate = RESENT;
383 continue;
384
385 case FILTSW:
386 if (!(filter = *argp++) || *filter == '-')
387 adios (NULL, "missing argument to %s", argp[-2]);
388 mime = 0;
389 continue;
390 case NFILTSW:
391 filter = NULL;
392 continue;
393
394 case FRMTSW:
395 format++;
396 continue;
397 case NFRMTSW:
398 format = 0;
399 continue;
400
401 case BITSTUFFSW:
402 dashstuff = 1;
403 continue;
404 case NBITSTUFFSW:
405 dashstuff = -1;
406 continue;
407
408 case MIMESW:
409 mime++;
410 filter = NULL;
411 continue;
412 case NMIMESW:
413 mime = 0;
414 continue;
415
416 case MSGDSW:
417 msgid++;
418 continue;
419 case NMSGDSW:
420 msgid = 0;
421 continue;
422
423 case VERBSW:
424 verbose++;
425 continue;
426 case NVERBSW:
427 verbose = 0;
428 continue;
429
430 case WATCSW:
431 watch++;
432 continue;
433 case NWATCSW:
434 watch = 0;
435 continue;
436
437 case WHOMSW:
438 whomsw++;
439 continue;
440
441 case WIDTHSW:
442 if (!(cp = *argp++) || *cp == '-')
443 adios (NULL, "missing argument to %s", argp[-2]);
444 if ((outputlinelen = atoi (cp)) < 10)
445 adios (NULL, "impossible width %d", outputlinelen);
446 continue;
447
448 case ANNOSW:
449 if (!(cp = *argp++) || *cp == '-')
450 adios (NULL, "missing argument to %s", argp[-2]);
451 if ((pfd = atoi (cp)) <= 2)
452 adios (NULL, "bad argument %s %s", argp[-2], cp);
453 continue;
454
455 case DLVRSW:
456 if (!(cp = *argp++) || *cp == '-')
457 adios (NULL, "missing argument to %s", argp[-2]);
458 continue;
459
460 #ifndef SMTPMTS
461 case CLIESW:
462 case SERVSW:
463 if (!(cp = *argp++) || *cp == '-')
464 adios (NULL, "missing argument to %s", argp[-2]);
465 continue;
466
467 case SNOOPSW:
468 continue;
469 #else /* SMTPMTS */
470 case MAILSW:
471 smtpmode = S_MAIL;
472 continue;
473 case SAMLSW:
474 smtpmode = S_SAML;
475 continue;
476 case SOMLSW:
477 smtpmode = S_SOML;
478 continue;
479 case SENDSW:
480 smtpmode = S_SEND;
481 continue;
482 case CLIESW:
483 if (!(clientsw = *argp++) || *clientsw == '-')
484 adios (NULL, "missing argument to %s", argp[-2]);
485 continue;
486 case SERVSW:
487 if (!(serversw = *argp++) || *serversw == '-')
488 adios (NULL, "missing argument to %s", argp[-2]);
489 continue;
490 case SNOOPSW:
491 snoop++;
492 continue;
493 #endif /* SMTPMTS */
494
495 case FILLSW:
496 if (!(fill_in = *argp++) || *fill_in == '-')
497 adios (NULL, "missing argument to %s", argp[-2]);
498 continue;
499 case FILLUSW:
500 fill_up++;
501 continue;
502 case PARTSW:
503 if (!(partno = *argp++) || *partno == '-')
504 adios (NULL, "missing argument to %s", argp[-2]);
505 continue;
506
507 case QUEUESW:
508 queued++;
509 continue;
510
511 case SASLSW:
512 sasl++;
513 continue;
514
515 case SASLMECHSW:
516 if (!(saslmech = *argp++) || *saslmech == '-')
517 adios (NULL, "missing argument to %s", argp[-2]);
518 continue;
519
520 case USERSW:
521 if (!(user = *argp++) || *user == '-')
522 adios (NULL, "missing argument to %s", argp[-2]);
523 continue;
524
525 case PORTSW:
526 if (!(port = *argp++) || *port == '-')
527 adios (NULL, "missing argument to %s", argp[-2]);
528 continue;
529 }
530 }
531 if (msg)
532 adios (NULL, "only one message at a time!");
533 else
534 msg = cp;
535 }
536
537 alias (AliasFile);
538
539 if (!msg)
540 adios (NULL, "usage: %s [switches] file", invo_name);
541
542 if (outputlinelen < 10)
543 adios (NULL, "impossible width %d", outputlinelen);
544
545 if ((in = fopen (msg, "r")) == NULL)
546 adios (msg, "unable to open");
547
548 start_headers ();
549 if (debug) {
550 verbose++;
551 discard (out = stdout); /* XXX: reference discard() to help loader */
552 } else {
553 if (whomsw) {
554 if ((out = fopen (fill_in ? fill_in : "/dev/null", "w")) == NULL)
555 adios ("/dev/null", "unable to open");
556 } else {
557 strncpy (tmpfil, m_scratch ("", m_maildir (invo_name)),
558 sizeof(tmpfil));
559 if ((out = fopen (tmpfil, "w")) == NULL) {
560 strncpy (tmpfil, m_tmpfil (invo_name), sizeof(tmpfil));
561 if ((out = fopen (tmpfil, "w")) == NULL)
562 adios (tmpfil, "unable to create");
563 }
564 chmod (tmpfil, 0600);
565 }
566 }
567
568 hdrtab = msgstate == NORMAL ? NHeaders : RHeaders;
569
570 for (compnum = 1, state = FLD;;) {
571 switch (state = m_getfld (state, name, buf, sizeof(buf), in)) {
572 case FLD:
573 case FLDEOF:
574 case FLDPLUS:
575 compnum++;
576 cp = add (buf, NULL);
577 while (state == FLDPLUS) {
578 state = m_getfld (state, name, buf, sizeof(buf), in);
579 cp = add (buf, cp);
580 }
581 putfmt (name, cp, out);
582 free (cp);
583 if (state != FLDEOF)
584 continue;
585 finish_headers (out);
586 break;
587
588 case BODY:
589 case BODYEOF:
590 finish_headers (out);
591 if (whomsw && !fill_in)
592 break;
593 fprintf (out, "\n%s", buf);
594 while (state == BODY) {
595 state = m_getfld (state, name, buf, sizeof(buf), in);
596 fputs (buf, out);
597 }
598 break;
599
600 case FILEEOF:
601 finish_headers (out);
602 break;
603
604 case LENERR:
605 case FMTERR:
606 adios (NULL, "message format error in component #%d", compnum);
607
608 default:
609 adios (NULL, "getfld() returned %d", state);
610 }
611 break;
612 }
613
614 if (pfd != NOTOK)
615 anno ();
616 fclose (in);
617
618 if (debug) {
619 pl ();
620 done (0);
621 } else {
622 fclose (out);
623 }
624
625 /* If we are doing a "whom" check */
626 if (whomsw) {
627 if (!fill_up)
628 verify_all_addresses (1);
629 done (0);
630 }
631
632 if (msgflags & MINV) {
633 make_bcc_file (dashstuff);
634 if (msgflags & MVIS) {
635 verify_all_addresses (verbose);
636 post (tmpfil, 0, verbose);
637 }
638 post (bccfil, 1, verbose);
639 unlink (bccfil);
640 } else {
641 post (tmpfil, 0, isatty (1));
642 }
643
644 p_refile (tmpfil);
645 unlink (tmpfil);
646
647 if (verbose)
648 printf (partno ? "Partial Message #%s Processed\n" : "Message Processed\n",
649 partno);
650 done (0);
651 return 1;
652 }
653
654
655 /*
656 * DRAFT GENERATION
657 */
658
659 static void
660 putfmt (char *name, char *str, FILE *out)
661 {
662 int count, grp, i, keep;
663 char *cp, *pp, *qp;
664 char namep[BUFSIZ];
665 struct mailname *mp, *np;
666 struct headers *hdr;
667
668 while (*str == ' ' || *str == '\t')
669 str++;
670
671 if (msgstate == NORMAL && uprf (name, "resent")) {
672 advise (NULL, "illegal header line -- %s:", name);
673 badmsg++;
674 return;
675 }
676
677 if ((i = get_header (name, hdrtab)) == NOTOK) {
678 fprintf (out, "%s: %s", name, str);
679 return;
680 }
681
682 hdr = &hdrtab[i];
683 if (hdr->flags & HIGN) {
684 if (fill_in)
685 fprintf (out, "%s: %s", name, str);
686 return;
687 }
688 if (hdr->flags & HBAD) {
689 if (fill_in)
690 fprintf (out, "%s: %s", name, str);
691 else {
692 advise (NULL, "illegal header line -- %s:", name);
693 badmsg++;
694 }
695 return;
696 }
697 msgflags |= (hdr->set & ~(MVIS | MINV));
698
699 if (hdr->flags & HSUB)
700 subject = subject ? add (str, add ("\t", subject)) : getcpy (str);
701 if (hdr->flags & HFCC) {
702 if (fill_in) {
703 fprintf (out, "%s: %s", name, str);
704 return;
705 }
706
707 if ((cp = strrchr(str, '\n')))
708 *cp = 0;
709 for (cp = pp = str; (cp = strchr(pp, ',')); pp = cp) {
710 *cp++ = 0;
711 insert_fcc (hdr, pp);
712 }
713 insert_fcc (hdr, pp);
714 return;
715 }
716
717 if (!(hdr->flags & HADR)) {
718 fprintf (out, "%s: %s", name, str);
719 return;
720 }
721
722 tmpaddrs.m_next = NULL;
723 for (count = 0; (cp = getname (str)); count++)
724 if ((mp = getm (cp, NULL, 0, AD_HOST, NULL))) {
725 if (tmpaddrs.m_next)
726 np->m_next = mp;
727 else
728 tmpaddrs.m_next = mp;
729 np = mp;
730 }
731 else
732 if (hdr->flags & HTRY)
733 badadr++;
734 else
735 badmsg++;
736
737 if (count < 1) {
738 if (hdr->flags & HNIL)
739 fprintf (out, "%s: %s", name, str);
740 else {
741 #ifdef notdef
742 advise (NULL, "%s: field requires at least one address", name);
743 badmsg++;
744 #endif /* notdef */
745 }
746 return;
747 }
748
749 nameoutput = linepos = 0;
750 snprintf (namep, sizeof(namep), "%s%s",
751 !fill_in && (hdr->flags & HMNG) ? "Original-" : "", name);
752
753 for (grp = 0, mp = tmpaddrs.m_next; mp; mp = np)
754 if (mp->m_nohost) { /* also used to test (hdr->flags & HTRY) */
755 /* The address doesn't include a host, so it might be an alias. */
756 pp = akvalue (mp->m_mbox); /* do mh alias substitution */
757 qp = akvisible () ? mp->m_mbox : "";
758 np = mp;
759 if (np->m_gname)
760 putgrp (namep, np->m_gname, out, hdr->flags);
761 while ((cp = getname (pp))) {
762 if (!(mp = getm (cp, NULL, 0, AD_HOST, NULL))) {
763 badadr++;
764 continue;
765 }
766
767 if (draft_from_masquerading && ((msgstate == RESENT)
768 ? (hdr->set & MRFM)
769 : (hdr->set & MFRM)))
770 /* The user manually specified a [Resent-]From: address in
771 their draft and the "masquerade:" line in mts.conf
772 doesn't contain "draft_from", so we'll set things up to
773 use the actual email address embedded in the draft
774 [Resent-]From: (after alias substitution, and without the
775 GECOS full name or angle brackets) as the envelope
776 From:. */
777 strncpy(from, auxformat(mp, 0), sizeof(from) - 1);
778
779 if (hdr->flags & HBCC)
780 mp->m_bcc++;
781 if (np->m_ingrp)
782 mp->m_ingrp = np->m_ingrp;
783 else
784 if (mp->m_gname)
785 putgrp (namep, mp->m_gname, out, hdr->flags);
786 if (mp->m_ingrp)
787 grp++;
788 if (putadr (namep, qp, mp, out, hdr->flags))
789 msgflags |= (hdr->set & (MVIS | MINV));
790 else
791 mnfree (mp);
792 }
793 mp = np;
794 np = np->m_next;
795 mnfree (mp);
796 }
797 else {
798 /* Address includes a host, so no alias substitution is needed. */
799 if (draft_from_masquerading && ((msgstate == RESENT)
800 ? (hdr->set & MRFM)
801 : (hdr->set & MFRM)))
802 /* The user manually specified a [Resent-]From: address in
803 their draft and the "masquerade:" line in mts.conf
804 doesn't contain "draft_from", so we'll set things up to
805 use the actual email address embedded in the draft
806 [Resent-]From: (after alias substitution, and without the
807 GECOS full name or angle brackets) as the envelope
808 From:. */
809 strncpy(from, auxformat(mp, 0), sizeof(from) - 1);
810
811 if (hdr->flags & HBCC)
812 mp->m_bcc++;
813 if (mp->m_gname)
814 putgrp (namep, mp->m_gname, out, hdr->flags);
815 if (mp->m_ingrp)
816 grp++;
817 keep = putadr (namep, "", mp, out, hdr->flags);
818 np = mp->m_next;
819 if (keep) {
820 mp->m_next = NULL;
821 msgflags |= (hdr->set & (MVIS | MINV));
822 }
823 else
824 mnfree (mp);
825 }
826
827 if (grp > 0 && (hdr->flags & HNGR)) {
828 advise (NULL, "%s: field does not allow groups", name);
829 badmsg++;
830 }
831 if (linepos) {
832 if (fill_in && grp > 0)
833 putc (';', out);
834 putc ('\n', out);
835 }
836 }
837
838
839 static void
840 start_headers (void)
841 {
842 unsigned char *cp;
843 char myhost[BUFSIZ], sigbuf[BUFSIZ];
844 struct mailname *mp;
845
846 myuid = getuid ();
847 mygid = getgid ();
848 time (&tclock);
849
850 strncpy (from, adrsprintf (NULL, NULL), sizeof(from));
851 strncpy (myhost, LocalName (), sizeof(myhost));
852
853 for (cp = myhost; *cp; cp++)
854 *cp = uptolow (*cp);
855
856 if ((cp = getfullname ()) && *cp) {
857 strncpy (sigbuf, cp, sizeof(sigbuf));
858 snprintf (signature, sizeof(signature), "%s <%s>",
859 sigbuf, adrsprintf (NULL, NULL));
860 if ((cp = getname (signature)) == NULL)
861 adios (NULL, "getname () failed -- you lose extraordinarily big");
862 if ((mp = getm (cp, NULL, 0, AD_HOST, NULL)) == NULL)
863 adios (NULL, "bad signature '%s'", sigbuf);
864 mnfree (mp);
865 while (getname (""))
866 continue;
867 } else {
868 strncpy (signature, adrsprintf (NULL, NULL), sizeof(signature));
869 }
870 }
871
872
873 /*
874 * Now that we've outputted the header fields in the draft
875 * message, we will now output any remaining header fields
876 * that we need to add/create.
877 */
878
879 static void
880 finish_headers (FILE *out)
881 {
882 switch (msgstate) {
883 case NORMAL:
884 if (whomsw && !fill_up)
885 break;
886
887 fprintf (out, "Date: %s\n", dtime (&tclock, 0));
888 if (msgid)
889 fprintf (out, "Message-ID: <%d.%ld@%s>\n",
890 (int) getpid (), (long) tclock, LocalName ());
891 if (msgflags & MFRM) {
892 /* There was already a From: in the draft. Don't add one. */
893 if (!draft_from_masquerading)
894 /* mts.conf didn't contain "masquerade:[...]draft_from[...]"
895 so we'll reveal the user's actual account@thismachine
896 address in a Sender: header (and use it as the envelope
897 From: later). */
898 fprintf (out, "Sender: %s\n", from);
899 }
900 else
901 /* Construct a From: header. */
902 fprintf (out, "From: %s\n", signature);
903 if (whomsw)
904 break;
905
906 if (!(msgflags & MVIS))
907 fprintf (out, "Bcc: Blind Distribution List: ;\n");
908 break;
909
910 case RESENT:
911 if (!(msgflags & MDAT)) {
912 advise (NULL, "message has no Date: header");
913 badmsg++;
914 }
915 if (!(msgflags & MFRM)) {
916 advise (NULL, "message has no From: header");
917 badmsg++;
918 }
919 if (whomsw && !fill_up)
920 break;
921
922 fprintf (out, "Resent-Date: %s\n", dtime (&tclock, 0));
923 if (msgid)
924 fprintf (out, "Resent-Message-ID: <%d.%ld@%s>\n",
925 (int) getpid (), (long) tclock, LocalName ());
926 if (msgflags & MRFM) {
927 /* There was already a Resent-From: in draft. Don't add one. */
928 if (!draft_from_masquerading)
929 /* mts.conf didn't contain "masquerade:[...]draft_from[...]"
930 so we'll reveal the user's actual account@thismachine
931 address in a Sender: header (and use it as the envelope
932 From: later). */
933 fprintf (out, "Resent-Sender: %s\n", from);
934 }
935 else
936 /* Construct a Resent-From: header. */
937 fprintf (out, "Resent-From: %s\n", signature);
938 if (whomsw)
939 break;
940 if (!(msgflags & MVIS))
941 fprintf (out, "Resent-Bcc: Blind Re-Distribution List: ;\n");
942 break;
943 }
944
945 if (badmsg)
946 adios (NULL, "re-format message and try again");
947 if (!recipients)
948 adios (NULL, "no addressees");
949 }
950
951
952 static int
953 get_header (char *header, struct headers *table)
954 {
955 struct headers *h;
956
957 for (h = table; h->value; h++)
958 if (!mh_strcasecmp (header, h->value))
959 return (h - table);
960
961 return NOTOK;
962 }
963
964
965 static int
966 putadr (char *name, char *aka, struct mailname *mp, FILE *out, unsigned int flags)
967 {
968 int len;
969 char *cp;
970 char buffer[BUFSIZ];
971
972 if (mp->m_mbox == NULL || ((flags & HTRY) && !insert (mp)))
973 return 0;
974 if ((!fill_in && (flags & (HBCC | HDCC))) || mp->m_ingrp)
975 return 1;
976
977 if (!nameoutput) {
978 fprintf (out, "%s: ", name);
979 linepos += (nameoutput = strlen (name) + 2);
980 }
981
982 if (*aka && mp->m_type != UUCPHOST && !mp->m_pers)
983 mp->m_pers = getcpy (aka);
984 if (format) {
985 if (mp->m_gname && !fill_in) {
986 snprintf (buffer, sizeof(buffer), "%s;", mp->m_gname);
987 cp = buffer;
988 } else {
989 cp = adrformat (mp);
990 }
991 } else {
992 cp = mp->m_text;
993 }
994 len = strlen (cp);
995
996 if (linepos != nameoutput) {
997 if (len + linepos + 2 > outputlinelen)
998 fprintf (out, ",\n%*s", linepos = nameoutput, "");
999 else {
1000 fputs (", ", out);
1001 linepos += 2;
1002 }
1003 }
1004
1005 fputs (cp, out);
1006 linepos += len;
1007
1008 return (flags & HTRY);
1009 }
1010
1011
1012 static void
1013 putgrp (char *name, char *group, FILE *out, unsigned int flags)
1014 {
1015 int len;
1016 char *cp;
1017
1018 if (!fill_in && (flags & HBCC))
1019 return;
1020
1021 if (!nameoutput) {
1022 fprintf (out, "%s: ", name);
1023 linepos += (nameoutput = strlen (name) + 2);
1024 if (fill_in)
1025 linepos -= strlen (group);
1026 }
1027
1028 cp = fill_in ? group : concat (group, ";", NULL);
1029 len = strlen (cp);
1030
1031 if (linepos > nameoutput) {
1032 if (len + linepos + 2 > outputlinelen) {
1033 fprintf (out, ",\n%*s", nameoutput, "");
1034 linepos = nameoutput;
1035 }
1036 else {
1037 fputs (", ", out);
1038 linepos += 2;
1039 }
1040 }
1041
1042 fputs (cp, out);
1043 linepos += len;
1044 }
1045
1046
1047 static int
1048 insert (struct mailname *np)
1049 {
1050 struct mailname *mp;
1051
1052 if (np->m_mbox == NULL)
1053 return 0;
1054
1055 for (mp = np->m_type == LOCALHOST ? &localaddrs
1056 : np->m_type == UUCPHOST ? &uuaddrs
1057 : &netaddrs;
1058 mp->m_next;
1059 mp = mp->m_next)
1060 if (!mh_strcasecmp (np->m_host, mp->m_next->m_host)
1061 && !mh_strcasecmp (np->m_mbox, mp->m_next->m_mbox)
1062 && np->m_bcc == mp->m_next->m_bcc)
1063 return 0;
1064
1065 mp->m_next = np;
1066 recipients++;
1067 return 1;
1068 }
1069
1070
1071 static void
1072 pl (void)
1073 {
1074 int i;
1075 struct mailname *mp;
1076
1077 printf ("-------\n\t-- Addresses --\nlocal:\t");
1078 for (mp = localaddrs.m_next; mp; mp = mp->m_next)
1079 printf ("%s%s%s", mp->m_mbox,
1080 mp->m_bcc ? "[BCC]" : "",
1081 mp->m_next ? ",\n\t" : "");
1082
1083 printf ("\nnet:\t");
1084 for (mp = netaddrs.m_next; mp; mp = mp->m_next)
1085 printf ("%s%s@%s%s%s", mp->m_path ? mp->m_path : "",
1086 mp->m_mbox, mp->m_host,
1087 mp->m_bcc ? "[BCC]" : "",
1088 mp->m_next ? ",\n\t" : "");
1089
1090 printf ("\nuucp:\t");
1091 for (mp = uuaddrs.m_next; mp; mp = mp->m_next)
1092 printf ("%s!%s%s%s", mp->m_host, mp->m_mbox,
1093 mp->m_bcc ? "[BCC]" : "",
1094 mp->m_next ? ",\n\t" : "");
1095
1096 printf ("\n\t-- Folder Copies --\nfcc:\t");
1097 for (i = 0; i < fccind; i++)
1098 printf ("%s%s", fccfold[i], i + 1 < fccind ? ",\n\t" : "");
1099 printf ("\n");
1100 }
1101
1102
1103 static void
1104 anno (void)
1105 {
1106 struct mailname *mp;
1107
1108 for (mp = localaddrs.m_next; mp; mp = mp->m_next)
1109 if (annoaux (mp) == NOTOK)
1110 goto oops;
1111
1112 for (mp = netaddrs.m_next; mp; mp = mp->m_next)
1113 if (annoaux (mp) == NOTOK)
1114 goto oops;
1115
1116 for (mp = uuaddrs.m_next; mp; mp = mp->m_next)
1117 if (annoaux (mp) == NOTOK)
1118 break;
1119
1120 oops: ;
1121 close (pfd);
1122 pfd = NOTOK;
1123 }
1124
1125
1126 static int
1127 annoaux (struct mailname *mp)
1128 {
1129 int i;
1130 char buffer[BUFSIZ];
1131
1132 snprintf (buffer, sizeof(buffer), "%s\n", adrformat (mp));
1133 i = strlen (buffer);
1134
1135 return (write (pfd, buffer, i) == i ? OK : NOTOK);
1136 }
1137
1138
1139 static void
1140 insert_fcc (struct headers *hdr, unsigned char *pp)
1141 {
1142 unsigned char *cp;
1143
1144 for (cp = pp; isspace (*cp); cp++)
1145 continue;
1146 for (pp += strlen (pp) - 1; pp > cp && isspace (*pp); pp--)
1147 continue;
1148 if (pp >= cp)
1149 *++pp = 0;
1150 if (*cp == 0)
1151 return;
1152
1153 if (fccind >= FCCS)
1154 adios (NULL, "too many %ss", hdr->value);
1155 fccfold[fccind++] = getcpy (cp);
1156 }
1157
1158 /*
1159 * BCC GENERATION
1160 */
1161
1162 static void
1163 make_bcc_file (int dashstuff)
1164 {
1165 int fd, i;
1166 pid_t child_id;
1167 char *vec[6];
1168 FILE *out;
1169
1170 strncpy (bccfil, m_tmpfil ("bccs"), sizeof(bccfil));
1171 if ((out = fopen (bccfil, "w")) == NULL)
1172 adios (bccfil, "unable to create");
1173 chmod (bccfil, 0600);
1174
1175 fprintf (out, "Date: %s\n", dtime (&tclock, 0));
1176 if (msgid)
1177 fprintf (out, "Message-ID: <%d.%ld@%s>\n",
1178 (int) getpid (), (long) tclock, LocalName ());
1179 if (msgflags & MFRM) {
1180 /* There was already a From: in the draft. Don't add one. */
1181 if (!draft_from_masquerading)
1182 /* mts.conf didn't contain "masquerade:[...]draft_from[...]"
1183 so we'll reveal the user's actual account@thismachine
1184 address in a Sender: header (and use it as the envelope
1185 From: later). */
1186 fprintf (out, "Sender: %s\n", from);
1187 }
1188 else
1189 /* Construct a From: header. */
1190 fprintf (out, "From: %s\n", signature);
1191 if (subject)
1192 fprintf (out, "Subject: %s", subject);
1193 fprintf (out, "BCC:\n");
1194
1195 /*
1196 * Use MIME encapsulation for Bcc messages
1197 */
1198 if (mime) {
1199 char *cp;
1200
1201 /*
1202 * Check if any lines in the message clash with the
1203 * prefix for the MIME multipart separator. If there
1204 * is a clash, increment one of the letters in the
1205 * prefix and check again.
1206 */
1207 if ((cp = strchr(prefix, 'a')) == NULL)
1208 adios (NULL, "lost prefix start");
1209 while (find_prefix () == NOTOK) {
1210 if (*cp < 'z')
1211 (*cp)++;
1212 else
1213 if (*++cp == 0)
1214 adios (NULL, "can't find a unique delimiter string");
1215 else
1216 (*cp)++;
1217 }
1218
1219 fprintf (out, "%s: %s\n%s: multipart/digest; boundary=\"",
1220 VRSN_FIELD, VRSN_VALUE, TYPE_FIELD);
1221 fprintf (out, "%s\"\n\n--%s\n\n", prefix, prefix);
1222 } else {
1223 fprintf (out, "\n------- Blind-Carbon-Copy\n\n");
1224 }
1225
1226 fflush (out);
1227
1228 /*
1229 * Do mhl filtering of Bcc messages instead
1230 * of MIME encapsulation.
1231 */
1232 if (filter != NULL) {
1233 vec[0] = r1bindex (mhlproc, '/');
1234
1235 for (i = 0; (child_id = fork()) == NOTOK && i < 5; i++)
1236 sleep (5);
1237 switch (child_id) {
1238 case NOTOK:
1239 adios ("fork", "unable to");
1240
1241 case OK:
1242 dup2 (fileno (out), 1);
1243
1244 i = 1;
1245 vec[i++] = "-forward";
1246 vec[i++] = "-form";
1247 vec[i++] = filter;
1248 vec[i++] = tmpfil;
1249
1250 /* was the flag -[no]dashstuffing specified? */
1251 if (dashstuff > 0)
1252 vec[i++] = "-dashstuffing";
1253 else if (dashstuff < 0)
1254 vec[i++] = "-nodashstuffing";
1255 vec[i] = NULL;
1256
1257 execvp (mhlproc, vec);
1258 fprintf (stderr, "unable to exec ");
1259 perror (mhlproc);
1260 _exit (-1);
1261
1262 default:
1263 pidXwait (child_id, mhlproc);
1264 break;
1265 }
1266 } else {
1267 if ((fd = open (tmpfil, O_RDONLY)) == NOTOK)
1268 adios (tmpfil, "unable to re-open");
1269
1270 /*
1271 * If using MIME encapsulation, or if the -nodashstuffing
1272 * flag was given, then just copy message. Else do
1273 * RFC934 quoting (dashstuffing).
1274 */
1275 if (mime || dashstuff < 0)
1276 cpydata (fd, fileno (out), tmpfil, bccfil);
1277 else
1278 cpydgst (fd, fileno (out), tmpfil, bccfil);
1279 close (fd);
1280 }
1281
1282 fseek (out, 0L, SEEK_END);
1283 if (mime)
1284 fprintf (out, "\n--%s--\n", prefix);
1285 else
1286 fprintf (out, "\n------- End of Blind-Carbon-Copy\n");
1287 fclose (out);
1288 }
1289
1290
1291 /*
1292 * Scan message to check if any lines clash with
1293 * the prefix of the MIME multipart separator.
1294 */
1295
1296 static int
1297 find_prefix (void)
1298 {
1299 int len, result;
1300 unsigned char buffer[BUFSIZ];
1301 FILE *in;
1302
1303 if ((in = fopen (tmpfil, "r")) == NULL)
1304 adios (tmpfil, "unable to re-open");
1305
1306 len = strlen (prefix);
1307
1308 result = OK;
1309 while (fgets (buffer, sizeof(buffer) - 1, in))
1310 if (buffer[0] == '-' && buffer[1] == '-') {
1311 unsigned char *cp;
1312
1313 for (cp = buffer + strlen (buffer) - 1; cp >= buffer; cp--)
1314 if (!isspace (*cp))
1315 break;
1316 *++cp = '\0';
1317 if (strcmp (buffer + 2, prefix) == 0) {
1318 result = NOTOK;
1319 break;
1320 }
1321 }
1322
1323 fclose (in);
1324 return result;
1325 }
1326
1327
1328 #define plural(x) (x == 1 ? "" : "s")
1329
1330 static void
1331 chkadr (void)
1332 {
1333 if (badadr && unkadr)
1334 die (NULL, "%d address%s unparsable, %d addressee%s undeliverable",
1335 badadr, plural (badadr), unkadr, plural (badadr));
1336 if (badadr)
1337 die (NULL, "%d address%s unparsable", badadr, plural (badadr));
1338 if (unkadr)
1339 die (NULL, "%d addressee%s undeliverable", unkadr, plural (unkadr));
1340 }
1341
1342
1343 static void
1344 do_addresses (int bccque, int talk)
1345 {
1346 int retval;
1347 int state;
1348 struct mailname *lp;
1349
1350 state = 0;
1351 for (lp = localaddrs.m_next; lp; lp = lp->m_next)
1352 if (lp->m_bcc ? bccque : !bccque) {
1353 if (talk && !state)
1354 printf (" -- Local Recipients --\n");
1355 do_an_address (lp, talk);
1356 state++;
1357 }
1358
1359 state = 0;
1360 for (lp = uuaddrs.m_next; lp; lp = lp->m_next)
1361 if (lp->m_bcc ? bccque : !bccque) {
1362 if (talk && !state)
1363 printf (" -- UUCP Recipients --\n");
1364 do_an_address (lp, talk);
1365 state++;
1366 }
1367
1368 state = 0;
1369 for (lp = netaddrs.m_next; lp; lp = lp->m_next)
1370 if (lp->m_bcc ? bccque : !bccque) {
1371 if (talk && !state)
1372 printf (" -- Network Recipients --\n");
1373 do_an_address (lp, talk);
1374 state++;
1375 }
1376
1377 chkadr ();
1378
1379 #ifdef SMTPMTS
1380 if (rp_isbad (retval = sm_waend ()))
1381 die (NULL, "problem ending addresses; %s", rp_string (retval));
1382 #endif /* SMTPMTS */
1383 }
1384
1385
1386 /*
1387 * MTS-SPECIFIC INTERACTION
1388 */
1389
1390
1391 /*
1392 * SENDMAIL/SMTP routines
1393 */
1394
1395 #ifdef SMTPMTS
1396
1397 static void
1398 post (char *file, int bccque, int talk)
1399 {
1400 int fd, onex;
1401 int retval;
1402
1403 onex = !(msgflags & MINV) || bccque;
1404 if (verbose) {
1405 if (msgflags & MINV)
1406 printf (" -- Posting for %s Recipients --\n",
1407 bccque ? "Blind" : "Sighted");
1408 else
1409 printf (" -- Posting for All Recipients --\n");
1410 }
1411
1412 sigon ();
1413
1414 if (rp_isbad (retval = sm_init (clientsw, serversw, port, watch, verbose,
1415 snoop, onex, queued, sasl, saslmech,
1416 user))
1417 || rp_isbad (retval = sm_winit (smtpmode, from)))
1418 die (NULL, "problem initializing server; %s", rp_string (retval));
1419
1420 do_addresses (bccque, talk && verbose);
1421 if ((fd = open (file, O_RDONLY)) == NOTOK)
1422 die (file, "unable to re-open");
1423 do_text (file, fd);
1424 close (fd);
1425 fflush (stdout);
1426
1427 sm_end (onex ? OK : DONE);
1428 sigoff ();
1429
1430 if (verbose) {
1431 if (msgflags & MINV)
1432 printf (" -- %s Recipient Copies Posted --\n",
1433 bccque ? "Blind" : "Sighted");
1434 else
1435 printf (" -- Recipient Copies Posted --\n");
1436 }
1437
1438 fflush (stdout);
1439 }
1440
1441
1442 /* Address Verification */
1443
1444 static void
1445 verify_all_addresses (int talk)
1446 {
1447 int retval;
1448 struct mailname *lp;
1449
1450 sigon ();
1451
1452 if (!whomsw || checksw)
1453 if (rp_isbad (retval = sm_init (clientsw, serversw, port, watch,
1454 verbose, snoop, 0, queued, sasl,
1455 saslmech, user))
1456 || rp_isbad (retval = sm_winit (smtpmode, from)))
1457 die (NULL, "problem initializing server; %s", rp_string (retval));
1458
1459 if (talk && !whomsw)
1460 printf (" -- Address Verification --\n");
1461 if (talk && localaddrs.m_next)
1462 printf (" -- Local Recipients --\n");
1463 for (lp = localaddrs.m_next; lp; lp = lp->m_next)
1464 do_an_address (lp, talk);
1465
1466 if (talk && uuaddrs.m_next)
1467 printf (" -- UUCP Recipients --\n");
1468 for (lp = uuaddrs.m_next; lp; lp = lp->m_next)
1469 do_an_address (lp, talk);
1470
1471 if (talk && netaddrs.m_next)
1472 printf (" -- Network Recipients --\n");
1473 for (lp = netaddrs.m_next; lp; lp = lp->m_next)
1474 do_an_address (lp, talk);
1475
1476 chkadr ();
1477 if (talk && !whomsw)
1478 printf (" -- Address Verification Successful --\n");
1479
1480 if (!whomsw || checksw)
1481 sm_end (DONE);
1482
1483 fflush (stdout);
1484 sigoff ();
1485 }
1486
1487
1488 static void
1489 do_an_address (struct mailname *lp, int talk)
1490 {
1491 int retval;
1492 char *mbox, *host;
1493 char addr[BUFSIZ];
1494
1495 switch (lp->m_type) {
1496 case LOCALHOST:
1497 mbox = lp->m_mbox;
1498 host = lp->m_host;
1499 strncpy (addr, mbox, sizeof(addr));
1500 break;
1501
1502 case UUCPHOST:
1503 mbox = auxformat (lp, 0);
1504 host = NULL;
1505 snprintf (addr, sizeof(addr), "%s!%s", lp->m_host, lp->m_mbox);
1506 break;
1507
1508 default: /* let SendMail decide if the host is bad */
1509 mbox = lp->m_mbox;
1510 host = lp->m_host;
1511 snprintf (addr, sizeof(addr), "%s at %s", mbox, host);
1512 break;
1513 }
1514
1515 if (talk)
1516 printf (" %s%s", addr, whomsw && lp->m_bcc ? "[BCC]" : "");
1517
1518 if (whomsw && !checksw) {
1519 putchar ('\n');
1520 return;
1521 }
1522 if (talk)
1523 printf (": ");
1524 fflush (stdout);
1525
1526 switch (retval = sm_wadr (mbox, host,
1527 lp->m_type != UUCPHOST ? lp->m_path : NULL)) {
1528 case RP_OK:
1529 if (talk)
1530 printf ("address ok\n");
1531 break;
1532
1533 case RP_NO:
1534 case RP_USER:
1535 if (!talk)
1536 fprintf (stderr, " %s: ", addr);
1537 fprintf (talk ? stdout : stderr, "loses; %s\n",
1538 rp_string (retval));
1539 unkadr++;
1540 break;
1541
1542 default:
1543 if (!talk)
1544 fprintf (stderr, " %s: ", addr);
1545 die (NULL, "unexpected response; %s", rp_string (retval));
1546 }
1547
1548 fflush (stdout);
1549 }
1550
1551
1552 static void
1553 do_text (char *file, int fd)
1554 {
1555 int retval, state;
1556 char buf[BUFSIZ];
1557
1558 lseek (fd, (off_t) 0, SEEK_SET);
1559
1560 while ((state = read (fd, buf, sizeof(buf))) > 0) {
1561 if (rp_isbad (retval = sm_wtxt (buf, state)))
1562 die (NULL, "problem writing text; %s\n", rp_string (retval));
1563 }
1564
1565 if (state == NOTOK)
1566 die (file, "problem reading from");
1567
1568 switch (retval = sm_wtend ()) {
1569 case RP_OK:
1570 break;
1571
1572 case RP_NO:
1573 case RP_NDEL:
1574 die (NULL, "posting failed; %s", rp_string (retval));
1575
1576 default:
1577 die (NULL, "unexpected response; %s", rp_string (retval));
1578 }
1579 }
1580
1581 #endif /* SMTPMTS */
1582
1583
1584 /*
1585 * SIGNAL HANDLING
1586 */
1587
1588 static RETSIGTYPE
1589 sigser (int i)
1590 {
1591 #ifndef RELIABLE_SIGNALS
1592 SIGNAL (i, SIG_IGN);
1593 #endif
1594
1595 unlink (tmpfil);
1596 if (msgflags & MINV)
1597 unlink (bccfil);
1598
1599 #ifdef SMTPMTS
1600 if (!whomsw || checksw)
1601 sm_end (NOTOK);
1602 #endif /* SMTPMTS */
1603
1604 done (1);
1605 }
1606
1607
1608 static void
1609 sigon (void)
1610 {
1611 if (debug)
1612 return;
1613
1614 hstat = SIGNAL2 (SIGHUP, sigser);
1615 istat = SIGNAL2 (SIGINT, sigser);
1616 qstat = SIGNAL2 (SIGQUIT, sigser);
1617 tstat = SIGNAL2 (SIGTERM, sigser);
1618 }
1619
1620
1621 static void
1622 sigoff (void)
1623 {
1624 if (debug)
1625 return;
1626
1627 SIGNAL (SIGHUP, hstat);
1628 SIGNAL (SIGINT, istat);
1629 SIGNAL (SIGQUIT, qstat);
1630 SIGNAL (SIGTERM, tstat);
1631 }
1632
1633 /*
1634 * FCC INTERACTION
1635 */
1636
1637 static void
1638 p_refile (char *file)
1639 {
1640 int i;
1641
1642 if (fccind == 0)
1643 return;
1644
1645 if (verbose)
1646 printf (" -- Filing Folder Copies --\n");
1647 for (i = 0; i < fccind; i++)
1648 fcc (file, fccfold[i]);
1649 if (verbose)
1650 printf (" -- Folder Copies Filed --\n");
1651 }
1652
1653
1654 /*
1655 * Call the `fileproc' to add the file to the folder.
1656 */
1657
1658 static void
1659 fcc (char *file, char *folder)
1660 {
1661 pid_t child_id;
1662 int i, status;
1663 char fold[BUFSIZ];
1664
1665 if (verbose)
1666 printf (" %sFcc %s: ", msgstate == RESENT ? "Resent-" : "", folder);
1667 fflush (stdout);
1668
1669 for (i = 0; (child_id = fork ()) == NOTOK && i < 5; i++)
1670 sleep (5);
1671
1672 switch (child_id) {
1673 case NOTOK:
1674 if (!verbose)
1675 fprintf (stderr, " %sFcc %s: ",
1676 msgstate == RESENT ? "Resent-" : "", folder);
1677 fprintf (verbose ? stdout : stderr, "no forks, so not ok\n");
1678 break;
1679
1680 case OK:
1681 /* see if we need to add `+' */
1682 snprintf (fold, sizeof(fold), "%s%s",
1683 *folder == '+' || *folder == '@' ? "" : "+", folder);
1684
1685 /* now exec the fileproc */
1686 execlp (fileproc, r1bindex (fileproc, '/'),
1687 "-link", "-file", file, fold, NULL);
1688 _exit (-1);
1689
1690 default:
1691 if ((status = pidwait (child_id, OK))) {
1692 if (!verbose)
1693 fprintf (stderr, " %sFcc %s: ",
1694 msgstate == RESENT ? "Resent-" : "", folder);
1695 pidstatus (status, verbose ? stdout : stderr, NULL);
1696 } else {
1697 if (verbose)
1698 printf ("folder ok\n");
1699 }
1700 }
1701
1702 fflush (stdout);
1703 }
1704
1705 /*
1706 * TERMINATION
1707 */
1708
1709 static void
1710 die (char *what, char *fmt, ...)
1711 {
1712 va_list ap;
1713
1714 unlink (tmpfil);
1715 if (msgflags & MINV)
1716 unlink (bccfil);
1717
1718 #ifdef SMTPMTS
1719 if (!whomsw || checksw)
1720 sm_end (NOTOK);
1721 #endif /* SMTPMTS */
1722
1723 va_start(ap, fmt);
1724 advertise (what, NULL, fmt, ap);
1725 va_end(ap);
1726 done (1);
1727 }
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