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Cope with sasl_decode64() returning SASL_CONTINUE as well as SASL_OK.
[nmh] / uip / post.c
1
2 /*
3 * post.c -- enter messages into the mail transport system
4 *
5 * $Id$
6 *
7 * This code is Copyright (c) 2002, by the authors of nmh. See the
8 * COPYRIGHT file in the root directory of the nmh distribution for
9 * complete copyright information.
10 */
11
12 #include <h/mh.h>
13 #include <fcntl.h>
14 #include <h/signals.h>
15 #include <h/addrsbr.h>
16 #include <h/aliasbr.h>
17 #include <h/dropsbr.h>
18 #include <h/mime.h>
19 #include <h/utils.h>
20
21 #include <h/tws.h>
22 #include <h/mts.h>
23
24 #include <errno.h>
25 #include <setjmp.h>
26 #include <signal.h>
27
28 #ifdef TIME_WITH_SYS_TIME
29 # include <sys/time.h>
30 # include <time.h>
31 #else
32 # ifdef TM_IN_SYS_TIME
33 # include <sys/time.h>
34 # else
35 # include <time.h>
36 # endif
37 #endif
38
39 #ifdef SMTPMTS
40 # include <mts/smtp/smtp.h>
41 #endif
42
43 #ifndef CYRUS_SASL
44 # define SASLminc(a) (a)
45 #else /* CYRUS_SASL */
46 # define SASLminc(a) 0
47 #endif /* CYRUS_SASL */
48
49 #define FCCS 10 /* max number of fccs allowed */
50
51 #define uptolow(c) ((isalpha(c) && isupper (c)) ? tolower (c) : c)
52
53 /* In the following array of structures, the numeric second field of the
54 structures (minchars) is apparently used like this:
55
56 -# : Switch can be abbreviated to # characters; switch hidden in -help.
57 0 : Switch can't be abbreviated; switch shown in -help.
58 # : Switch can be abbreviated to # characters; switch shown in -help. */
59
60 static struct swit switches[] = {
61 #define ALIASW 0
62 { "alias aliasfile", 0 },
63 #define CHKSW 1
64 { "check", -5 }, /* interface from whom */
65 #define NCHKSW 2
66 { "nocheck", -7 }, /* interface from whom */
67 #define DEBUGSW 3
68 { "debug", -5 },
69 #define DISTSW 4
70 { "dist", -4 }, /* interface from dist */
71 #define FILTSW 5
72 { "filter filterfile", 0 },
73 #define NFILTSW 6
74 { "nofilter", 0 },
75 #define FRMTSW 7
76 { "format", 0 },
77 #define NFRMTSW 8
78 { "noformat", 0 },
79 #define LIBSW 9
80 { "library directory", -7 }, /* interface from send, whom */
81 #define MIMESW 10
82 { "mime", 0 },
83 #define NMIMESW 11
84 { "nomime", 0 },
85 #define MSGDSW 12
86 { "msgid", 0 },
87 #define NMSGDSW 13
88 { "nomsgid", 0 },
89 #define VERBSW 14
90 { "verbose", 0 },
91 #define NVERBSW 15
92 { "noverbose", 0 },
93 #define WATCSW 16
94 { "watch", 0 },
95 #define NWATCSW 17
96 { "nowatch", 0 },
97 #define WHOMSW 18
98 { "whom", -4 }, /* interface from whom */
99 #define WIDTHSW 19
100 { "width columns", 0 },
101 #define VERSIONSW 20
102 { "version", 0 },
103 #define HELPSW 21
104 { "help", 0 },
105 #define BITSTUFFSW 22
106 { "dashstuffing", -12 }, /* should we dashstuff BCC messages? */
107 #define NBITSTUFFSW 23
108 { "nodashstuffing", -14 },
109 #define MAILSW 24
110 { "mail", -4 }, /* specify MAIL smtp mode */
111 #define SAMLSW 25
112 { "saml", -4 }, /* specify SAML smtp mode */
113 #define SENDSW 26
114 { "send", -4 }, /* specify SEND smtp mode */
115 #define SOMLSW 27
116 { "soml", -4 }, /* specify SOML smtp mode */
117 #define ANNOSW 28
118 { "idanno number", -6 }, /* interface from send */
119 #define DLVRSW 29
120 { "deliver address-list", -7 },
121 #define CLIESW 30
122 { "client host", -6 },
123 #define SERVSW 31
124 { "server host", -6 }, /* specify alternate SMTP server */
125 #define SNOOPSW 32
126 { "snoop", -5 }, /* snoop the SMTP transaction */
127 #define FILLSW 33
128 { "fill-in file", -7 },
129 #define FILLUSW 34
130 { "fill-up", -7 },
131 #define PARTSW 35
132 { "partno", -6 },
133 #define QUEUESW 36
134 { "queued", -6 },
135 #define SASLSW 37
136 { "sasl", SASLminc(-4) },
137 #define SASLMECHSW 38
138 { "saslmech", SASLminc(-5) },
139 #define USERSW 39
140 { "user", SASLminc(-4) },
141 { NULL, 0 }
142 };
143
144
145 struct headers {
146 char *value;
147 unsigned int flags;
148 unsigned int set;
149 };
150
151 /*
152 * flags for headers->flags
153 */
154 #define HNOP 0x0000 /* just used to keep .set around */
155 #define HBAD 0x0001 /* bad header - don't let it through */
156 #define HADR 0x0002 /* header has an address field */
157 #define HSUB 0x0004 /* Subject: header */
158 #define HTRY 0x0008 /* try to send to addrs on header */
159 #define HBCC 0x0010 /* don't output this header */
160 #define HMNG 0x0020 /* munge this header */
161 #define HNGR 0x0040 /* no groups allowed in this header */
162 #define HFCC 0x0080 /* FCC: type header */
163 #define HNIL 0x0100 /* okay for this header not to have addrs */
164 #define HIGN 0x0200 /* ignore this header */
165 #define HDCC 0x0400 /* another undocumented feature */
166
167 /*
168 * flags for headers->set
169 */
170 #define MFRM 0x0001 /* we've seen a From: */
171 #define MDAT 0x0002 /* we've seen a Date: */
172 #define MRFM 0x0004 /* we've seen a Resent-From: */
173 #define MVIS 0x0008 /* we've seen sighted addrs */
174 #define MINV 0x0010 /* we've seen blind addrs */
175
176
177 static struct headers NHeaders[] = {
178 { "Return-Path", HBAD, 0 },
179 { "Received", HBAD, 0 },
180 { "Reply-To", HADR|HNGR, 0 },
181 { "From", HADR|HNGR, MFRM },
182 { "Sender", HADR|HBAD, 0 },
183 { "Date", HBAD, 0 },
184 { "Subject", HSUB, 0 },
185 { "To", HADR|HTRY, MVIS },
186 { "cc", HADR|HTRY, MVIS },
187 { "Bcc", HADR|HTRY|HBCC|HNIL, MINV },
188 { "Dcc", HADR|HTRY|HDCC|HNIL, MVIS }, /* sorta cc & bcc combined */
189 { "Message-ID", HBAD, 0 },
190 { "Fcc", HFCC, 0 },
191 { NULL, 0, 0 }
192 };
193
194 static struct headers RHeaders[] = {
195 { "Resent-Reply-To", HADR|HNGR, 0 },
196 { "Resent-From", HADR|HNGR, MRFM },
197 { "Resent-Sender", HADR|HBAD, 0 },
198 { "Resent-Date", HBAD, 0 },
199 { "Resent-Subject", HSUB, 0 },
200 { "Resent-To", HADR|HTRY, MVIS },
201 { "Resent-cc", HADR|HTRY, MVIS },
202 { "Resent-Bcc", HADR|HTRY|HBCC, MINV },
203 { "Resent-Message-ID", HBAD, 0 },
204 { "Resent-Fcc", HFCC, 0 },
205 { "Reply-To", HADR, 0 },
206 { "From", HADR|HNGR, MFRM },
207 { "Sender", HADR|HNGR, 0 },
208 { "Date", HNOP, MDAT },
209 { "To", HADR|HNIL, 0 },
210 { "cc", HADR|HNIL, 0 },
211 { "Bcc", HADR|HTRY|HBCC|HNIL, 0 },
212 { "Fcc", HIGN, 0 },
213 { NULL, 0, 0 }
214 };
215
216 static short fccind = 0; /* index into fccfold[] */
217 static short outputlinelen = OUTPUTLINELEN;
218
219 static int pfd = NOTOK; /* fd to write annotation list to */
220 static uid_t myuid= -1; /* my user id */
221 static gid_t mygid= -1; /* my group id */
222 static int recipients = 0; /* how many people will get a copy */
223 static int unkadr = 0; /* how many of those were unknown */
224 static int badadr = 0; /* number of bad addrs */
225 static int badmsg = 0; /* message has bad semantics */
226 static int verbose = 0; /* spell it out */
227 static int format = 1; /* format addresses */
228 static int mime = 0; /* use MIME-style encapsulations for Bcc */
229 static int msgid = 0; /* add msgid */
230 static int debug = 0; /* debugging post */
231 static int watch = 0; /* watch the delivery process */
232 static int whomsw = 0; /* we are whom not post */
233 static int checksw = 0; /* whom -check */
234 static int linepos=0; /* putadr()'s position on the line */
235 static int nameoutput=0; /* putadr() has output header name */
236 static int sasl=0; /* Use SASL auth for SMTP */
237 static char *saslmech=NULL; /* Force use of particular SASL mech */
238 static char *user=NULL; /* Authenticate as this user */
239
240 static unsigned msgflags = 0; /* what we've seen */
241
242 #define NORMAL 0
243 #define RESENT 1
244 static int msgstate = NORMAL;
245
246 static time_t tclock = 0; /* the time we started (more or less) */
247
248 static SIGNAL_HANDLER hstat, istat, qstat, tstat;
249
250 static char tmpfil[BUFSIZ];
251 static char bccfil[BUFSIZ];
252
253 static char from[BUFSIZ]; /* my network address */
254 static char signature[BUFSIZ]; /* my signature */
255 static char *filter = NULL; /* the filter for BCC'ing */
256 static char *subject = NULL; /* the subject field for BCC'ing */
257 static char *fccfold[FCCS]; /* foldernames for FCC'ing */
258
259 static struct headers *hdrtab; /* table for the message we're doing */
260
261 static struct mailname localaddrs={NULL}; /* local addrs */
262 static struct mailname netaddrs={NULL}; /* network addrs */
263 static struct mailname uuaddrs={NULL}; /* uucp addrs */
264 static struct mailname tmpaddrs={NULL}; /* temporary queue */
265
266 #ifdef SMTPMTS
267 static int snoop = 0;
268 static int smtpmode = S_MAIL;
269 static char *clientsw = NULL;
270 static char *serversw = NULL;
271
272 extern struct smtp sm_reply;
273 #endif /* SMTPMTS */
274
275 static char prefix[] = "----- =_aaaaaaaaaa";
276
277 static int fill_up = 0;
278 static char *fill_in = NULL;
279 static char *partno = NULL;
280 static int queued = 0;
281
282 extern boolean draft_from_masquerading; /* defined in mts.c */
283
284 /*
285 * static prototypes
286 */
287 static void putfmt (char *, char *, FILE *);
288 static void start_headers (void);
289 static void finish_headers (FILE *);
290 static int get_header (char *, struct headers *);
291 static int putadr (char *, char *, struct mailname *, FILE *, unsigned int);
292 static void putgrp (char *, char *, FILE *, unsigned int);
293 static int insert (struct mailname *);
294 static void pl (void);
295 static void anno (void);
296 static int annoaux (struct mailname *);
297 static void insert_fcc (struct headers *, unsigned char *);
298 static void make_bcc_file (int);
299 static void verify_all_addresses (int);
300 static void chkadr (void);
301 static void sigon (void);
302 static void sigoff (void);
303 static void p_refile (char *);
304 static void fcc (char *, char *);
305 static void die (char *, char *, ...);
306 static void post (char *, int, int);
307 static void do_text (char *file, int fd);
308 static void do_an_address (struct mailname *, int);
309 static void do_addresses (int, int);
310 static int find_prefix (void);
311
312
313 int
314 main (int argc, char **argv)
315 {
316 int state, compnum, dashstuff = 0;
317 char *cp, *msg = NULL, **argp, **arguments;
318 char buf[BUFSIZ], name[NAMESZ];
319 FILE *in, *out;
320
321 #ifdef LOCALE
322 setlocale(LC_ALL, "");
323 #endif
324 invo_name = r1bindex (argv[0], '/');
325
326 /* foil search of user profile/context */
327 if (context_foil (NULL) == -1)
328 done (1);
329
330 mts_init (invo_name);
331 arguments = getarguments (invo_name, argc, argv, 0);
332 argp = arguments;
333
334 while ((cp = *argp++)) {
335 if (*cp == '-') {
336 switch (smatch (++cp, switches)) {
337 case AMBIGSW:
338 ambigsw (cp, switches);
339 done (1);
340 case UNKWNSW:
341 adios (NULL, "-%s unknown", cp);
342
343 case HELPSW:
344 snprintf (buf, sizeof(buf), "%s [switches] file", invo_name);
345 print_help (buf, switches, 0);
346 done (1);
347 case VERSIONSW:
348 print_version(invo_name);
349 done (1);
350
351 case LIBSW:
352 if (!(cp = *argp++) || *cp == '-')
353 adios (NULL, "missing argument to %s", argp[-2]);
354 /* create a minimal context */
355 if (context_foil (cp) == -1)
356 done (1);
357 continue;
358
359 case ALIASW:
360 if (!(cp = *argp++) || *cp == '-')
361 adios (NULL, "missing argument to %s", argp[-2]);
362 if ((state = alias (cp)) != AK_OK)
363 adios (NULL, "aliasing error in %s - %s",
364 cp, akerror (state));
365 continue;
366
367 case CHKSW:
368 checksw++;
369 continue;
370 case NCHKSW:
371 checksw = 0;
372 continue;
373
374 case DEBUGSW:
375 debug++;
376 continue;
377
378 case DISTSW:
379 msgstate = RESENT;
380 continue;
381
382 case FILTSW:
383 if (!(filter = *argp++) || *filter == '-')
384 adios (NULL, "missing argument to %s", argp[-2]);
385 mime = 0;
386 continue;
387 case NFILTSW:
388 filter = NULL;
389 continue;
390
391 case FRMTSW:
392 format++;
393 continue;
394 case NFRMTSW:
395 format = 0;
396 continue;
397
398 case BITSTUFFSW:
399 dashstuff = 1;
400 continue;
401 case NBITSTUFFSW:
402 dashstuff = -1;
403 continue;
404
405 case MIMESW:
406 mime++;
407 filter = NULL;
408 continue;
409 case NMIMESW:
410 mime = 0;
411 continue;
412
413 case MSGDSW:
414 msgid++;
415 continue;
416 case NMSGDSW:
417 msgid = 0;
418 continue;
419
420 case VERBSW:
421 verbose++;
422 continue;
423 case NVERBSW:
424 verbose = 0;
425 continue;
426
427 case WATCSW:
428 watch++;
429 continue;
430 case NWATCSW:
431 watch = 0;
432 continue;
433
434 case WHOMSW:
435 whomsw++;
436 continue;
437
438 case WIDTHSW:
439 if (!(cp = *argp++) || *cp == '-')
440 adios (NULL, "missing argument to %s", argp[-2]);
441 if ((outputlinelen = atoi (cp)) < 10)
442 adios (NULL, "impossible width %d", outputlinelen);
443 continue;
444
445 case ANNOSW:
446 if (!(cp = *argp++) || *cp == '-')
447 adios (NULL, "missing argument to %s", argp[-2]);
448 if ((pfd = atoi (cp)) <= 2)
449 adios (NULL, "bad argument %s %s", argp[-2], cp);
450 continue;
451
452 case DLVRSW:
453 if (!(cp = *argp++) || *cp == '-')
454 adios (NULL, "missing argument to %s", argp[-2]);
455 continue;
456
457 #ifndef SMTPMTS
458 case CLIESW:
459 case SERVSW:
460 if (!(cp = *argp++) || *cp == '-')
461 adios (NULL, "missing argument to %s", argp[-2]);
462 continue;
463
464 case SNOOPSW:
465 continue;
466 #else /* SMTPMTS */
467 case MAILSW:
468 smtpmode = S_MAIL;
469 continue;
470 case SAMLSW:
471 smtpmode = S_SAML;
472 continue;
473 case SOMLSW:
474 smtpmode = S_SOML;
475 continue;
476 case SENDSW:
477 smtpmode = S_SEND;
478 continue;
479 case CLIESW:
480 if (!(clientsw = *argp++) || *clientsw == '-')
481 adios (NULL, "missing argument to %s", argp[-2]);
482 continue;
483 case SERVSW:
484 if (!(serversw = *argp++) || *serversw == '-')
485 adios (NULL, "missing argument to %s", argp[-2]);
486 continue;
487 case SNOOPSW:
488 snoop++;
489 continue;
490 #endif /* SMTPMTS */
491
492 case FILLSW:
493 if (!(fill_in = *argp++) || *fill_in == '-')
494 adios (NULL, "missing argument to %s", argp[-2]);
495 continue;
496 case FILLUSW:
497 fill_up++;
498 continue;
499 case PARTSW:
500 if (!(partno = *argp++) || *partno == '-')
501 adios (NULL, "missing argument to %s", argp[-2]);
502 continue;
503
504 case QUEUESW:
505 queued++;
506 continue;
507
508 case SASLSW:
509 sasl++;
510 continue;
511
512 case SASLMECHSW:
513 if (!(saslmech = *argp++) || *saslmech == '-')
514 adios (NULL, "missing argument to %s", argp[-2]);
515 continue;
516
517 case USERSW:
518 if (!(user = *argp++) || *user == '-')
519 adios (NULL, "missing argument to %s", argp[-2]);
520 continue;
521 }
522 }
523 if (msg)
524 adios (NULL, "only one message at a time!");
525 else
526 msg = cp;
527 }
528
529 alias (AliasFile);
530
531 if (!msg)
532 adios (NULL, "usage: %s [switches] file", invo_name);
533
534 if (outputlinelen < 10)
535 adios (NULL, "impossible width %d", outputlinelen);
536
537 if ((in = fopen (msg, "r")) == NULL)
538 adios (msg, "unable to open");
539
540 start_headers ();
541 if (debug) {
542 verbose++;
543 discard (out = stdout); /* XXX: reference discard() to help loader */
544 } else {
545 if (whomsw) {
546 if ((out = fopen (fill_in ? fill_in : "/dev/null", "w")) == NULL)
547 adios ("/dev/null", "unable to open");
548 } else {
549 strncpy (tmpfil, m_scratch ("", m_maildir (invo_name)),
550 sizeof(tmpfil));
551 if ((out = fopen (tmpfil, "w")) == NULL) {
552 strncpy (tmpfil, m_tmpfil (invo_name), sizeof(tmpfil));
553 if ((out = fopen (tmpfil, "w")) == NULL)
554 adios (tmpfil, "unable to create");
555 }
556 chmod (tmpfil, 0600);
557 }
558 }
559
560 hdrtab = msgstate == NORMAL ? NHeaders : RHeaders;
561
562 for (compnum = 1, state = FLD;;) {
563 switch (state = m_getfld (state, name, buf, sizeof(buf), in)) {
564 case FLD:
565 case FLDEOF:
566 case FLDPLUS:
567 compnum++;
568 cp = add (buf, NULL);
569 while (state == FLDPLUS) {
570 state = m_getfld (state, name, buf, sizeof(buf), in);
571 cp = add (buf, cp);
572 }
573 putfmt (name, cp, out);
574 free (cp);
575 if (state != FLDEOF)
576 continue;
577 finish_headers (out);
578 break;
579
580 case BODY:
581 case BODYEOF:
582 finish_headers (out);
583 if (whomsw && !fill_in)
584 break;
585 fprintf (out, "\n%s", buf);
586 while (state == BODY) {
587 state = m_getfld (state, name, buf, sizeof(buf), in);
588 fputs (buf, out);
589 }
590 break;
591
592 case FILEEOF:
593 finish_headers (out);
594 break;
595
596 case LENERR:
597 case FMTERR:
598 adios (NULL, "message format error in component #%d", compnum);
599
600 default:
601 adios (NULL, "getfld() returned %d", state);
602 }
603 break;
604 }
605
606 if (pfd != NOTOK)
607 anno ();
608 fclose (in);
609
610 if (debug) {
611 pl ();
612 done (0);
613 } else {
614 fclose (out);
615 }
616
617 /* If we are doing a "whom" check */
618 if (whomsw) {
619 if (!fill_up)
620 verify_all_addresses (1);
621 done (0);
622 }
623
624 if (msgflags & MINV) {
625 make_bcc_file (dashstuff);
626 if (msgflags & MVIS) {
627 verify_all_addresses (verbose);
628 post (tmpfil, 0, verbose);
629 }
630 post (bccfil, 1, verbose);
631 unlink (bccfil);
632 } else {
633 post (tmpfil, 0, isatty (1));
634 }
635
636 p_refile (tmpfil);
637 unlink (tmpfil);
638
639 if (verbose)
640 printf (partno ? "Partial Message #%s Processed\n" : "Message Processed\n",
641 partno);
642 done (0);
643 return 1;
644 }
645
646
647 /*
648 * DRAFT GENERATION
649 */
650
651 static void
652 putfmt (char *name, char *str, FILE *out)
653 {
654 int count, grp, i, keep;
655 char *cp, *pp, *qp;
656 char namep[BUFSIZ];
657 struct mailname *mp, *np;
658 struct headers *hdr;
659
660 while (*str == ' ' || *str == '\t')
661 str++;
662
663 if (msgstate == NORMAL && uprf (name, "resent")) {
664 advise (NULL, "illegal header line -- %s:", name);
665 badmsg++;
666 return;
667 }
668
669 if ((i = get_header (name, hdrtab)) == NOTOK) {
670 fprintf (out, "%s: %s", name, str);
671 return;
672 }
673
674 hdr = &hdrtab[i];
675 if (hdr->flags & HIGN) {
676 if (fill_in)
677 fprintf (out, "%s: %s", name, str);
678 return;
679 }
680 if (hdr->flags & HBAD) {
681 if (fill_in)
682 fprintf (out, "%s: %s", name, str);
683 else {
684 advise (NULL, "illegal header line -- %s:", name);
685 badmsg++;
686 }
687 return;
688 }
689 msgflags |= (hdr->set & ~(MVIS | MINV));
690
691 if (hdr->flags & HSUB)
692 subject = subject ? add (str, add ("\t", subject)) : getcpy (str);
693 if (hdr->flags & HFCC) {
694 if (fill_in) {
695 fprintf (out, "%s: %s", name, str);
696 return;
697 }
698
699 if ((cp = strrchr(str, '\n')))
700 *cp = 0;
701 for (cp = pp = str; (cp = strchr(pp, ',')); pp = cp) {
702 *cp++ = 0;
703 insert_fcc (hdr, pp);
704 }
705 insert_fcc (hdr, pp);
706 return;
707 }
708
709 if (!(hdr->flags & HADR)) {
710 fprintf (out, "%s: %s", name, str);
711 return;
712 }
713
714 tmpaddrs.m_next = NULL;
715 for (count = 0; (cp = getname (str)); count++)
716 if ((mp = getm (cp, NULL, 0, AD_HOST, NULL))) {
717 if (tmpaddrs.m_next)
718 np->m_next = mp;
719 else
720 tmpaddrs.m_next = mp;
721 np = mp;
722 }
723 else
724 if (hdr->flags & HTRY)
725 badadr++;
726 else
727 badmsg++;
728
729 if (count < 1) {
730 if (hdr->flags & HNIL)
731 fprintf (out, "%s: %s", name, str);
732 else {
733 #ifdef notdef
734 advise (NULL, "%s: field requires at least one address", name);
735 badmsg++;
736 #endif /* notdef */
737 }
738 return;
739 }
740
741 nameoutput = linepos = 0;
742 snprintf (namep, sizeof(namep), "%s%s",
743 !fill_in && (hdr->flags & HMNG) ? "Original-" : "", name);
744
745 for (grp = 0, mp = tmpaddrs.m_next; mp; mp = np)
746 if (mp->m_nohost) { /* also used to test (hdr->flags & HTRY) */
747 /* The address doesn't include a host, so it might be an alias. */
748 pp = akvalue (mp->m_mbox); /* do mh alias substitution */
749 qp = akvisible () ? mp->m_mbox : "";
750 np = mp;
751 if (np->m_gname)
752 putgrp (namep, np->m_gname, out, hdr->flags);
753 while ((cp = getname (pp))) {
754 if (!(mp = getm (cp, NULL, 0, AD_HOST, NULL))) {
755 badadr++;
756 continue;
757 }
758
759 if (draft_from_masquerading && ((msgstate == RESENT)
760 ? (hdr->set & MRFM)
761 : (hdr->set & MFRM)))
762 /* The user manually specified a [Resent-]From: address in
763 their draft and the "masquerade:" line in mts.conf
764 doesn't contain "draft_from", so we'll set things up to
765 use the actual email address embedded in the draft
766 [Resent-]From: (after alias substitution, and without the
767 GECOS full name or angle brackets) as the envelope
768 From:. */
769 strncpy(from, auxformat(mp, 0), sizeof(from) - 1);
770
771 if (hdr->flags & HBCC)
772 mp->m_bcc++;
773 if (np->m_ingrp)
774 mp->m_ingrp = np->m_ingrp;
775 else
776 if (mp->m_gname)
777 putgrp (namep, mp->m_gname, out, hdr->flags);
778 if (mp->m_ingrp)
779 grp++;
780 if (putadr (namep, qp, mp, out, hdr->flags))
781 msgflags |= (hdr->set & (MVIS | MINV));
782 else
783 mnfree (mp);
784 }
785 mp = np;
786 np = np->m_next;
787 mnfree (mp);
788 }
789 else {
790 /* Address includes a host, so no alias substitution is needed. */
791 if (draft_from_masquerading && ((msgstate == RESENT)
792 ? (hdr->set & MRFM)
793 : (hdr->set & MFRM)))
794 /* The user manually specified a [Resent-]From: address in
795 their draft and the "masquerade:" line in mts.conf
796 doesn't contain "draft_from", so we'll set things up to
797 use the actual email address embedded in the draft
798 [Resent-]From: (after alias substitution, and without the
799 GECOS full name or angle brackets) as the envelope
800 From:. */
801 strncpy(from, auxformat(mp, 0), sizeof(from) - 1);
802
803 if (hdr->flags & HBCC)
804 mp->m_bcc++;
805 if (mp->m_gname)
806 putgrp (namep, mp->m_gname, out, hdr->flags);
807 if (mp->m_ingrp)
808 grp++;
809 keep = putadr (namep, "", mp, out, hdr->flags);
810 np = mp->m_next;
811 if (keep) {
812 mp->m_next = NULL;
813 msgflags |= (hdr->set & (MVIS | MINV));
814 }
815 else
816 mnfree (mp);
817 }
818
819 if (grp > 0 && (hdr->flags & HNGR)) {
820 advise (NULL, "%s: field does not allow groups", name);
821 badmsg++;
822 }
823 if (linepos) {
824 if (fill_in && grp > 0)
825 putc (';', out);
826 putc ('\n', out);
827 }
828 }
829
830
831 static void
832 start_headers (void)
833 {
834 unsigned char *cp;
835 char myhost[BUFSIZ], sigbuf[BUFSIZ];
836 struct mailname *mp;
837
838 myuid = getuid ();
839 mygid = getgid ();
840 time (&tclock);
841
842 strncpy (from, adrsprintf (NULL, NULL), sizeof(from));
843 strncpy (myhost, LocalName (), sizeof(myhost));
844
845 for (cp = myhost; *cp; cp++)
846 *cp = uptolow (*cp);
847
848 if ((cp = getfullname ()) && *cp) {
849 strncpy (sigbuf, cp, sizeof(sigbuf));
850 snprintf (signature, sizeof(signature), "%s <%s>",
851 sigbuf, adrsprintf (NULL, NULL));
852 if ((cp = getname (signature)) == NULL)
853 adios (NULL, "getname () failed -- you lose extraordinarily big");
854 if ((mp = getm (cp, NULL, 0, AD_HOST, NULL)) == NULL)
855 adios (NULL, "bad signature '%s'", sigbuf);
856 mnfree (mp);
857 while (getname (""))
858 continue;
859 } else {
860 strncpy (signature, adrsprintf (NULL, NULL), sizeof(signature));
861 }
862 }
863
864
865 /*
866 * Now that we've outputted the header fields in the draft
867 * message, we will now output any remaining header fields
868 * that we need to add/create.
869 */
870
871 static void
872 finish_headers (FILE *out)
873 {
874 switch (msgstate) {
875 case NORMAL:
876 if (whomsw && !fill_up)
877 break;
878
879 fprintf (out, "Date: %s\n", dtime (&tclock, 0));
880 if (msgid)
881 fprintf (out, "Message-ID: <%d.%ld@%s>\n",
882 (int) getpid (), (long) tclock, LocalName ());
883 if (msgflags & MFRM) {
884 /* There was already a From: in the draft. Don't add one. */
885 if (!draft_from_masquerading)
886 /* mts.conf didn't contain "masquerade:[...]draft_from[...]"
887 so we'll reveal the user's actual account@thismachine
888 address in a Sender: header (and use it as the envelope
889 From: later). */
890 fprintf (out, "Sender: %s\n", from);
891 }
892 else
893 /* Construct a From: header. */
894 fprintf (out, "From: %s\n", signature);
895 if (whomsw)
896 break;
897
898 if (!(msgflags & MVIS))
899 fprintf (out, "Bcc: Blind Distribution List: ;\n");
900 break;
901
902 case RESENT:
903 if (!(msgflags & MDAT)) {
904 advise (NULL, "message has no Date: header");
905 badmsg++;
906 }
907 if (!(msgflags & MFRM)) {
908 advise (NULL, "message has no From: header");
909 badmsg++;
910 }
911 if (whomsw && !fill_up)
912 break;
913
914 fprintf (out, "Resent-Date: %s\n", dtime (&tclock, 0));
915 if (msgid)
916 fprintf (out, "Resent-Message-ID: <%d.%ld@%s>\n",
917 (int) getpid (), (long) tclock, LocalName ());
918 if (msgflags & MRFM) {
919 /* There was already a Resent-From: in draft. Don't add one. */
920 if (!draft_from_masquerading)
921 /* mts.conf didn't contain "masquerade:[...]draft_from[...]"
922 so we'll reveal the user's actual account@thismachine
923 address in a Sender: header (and use it as the envelope
924 From: later). */
925 fprintf (out, "Resent-Sender: %s\n", from);
926 }
927 else
928 /* Construct a Resent-From: header. */
929 fprintf (out, "Resent-From: %s\n", signature);
930 if (whomsw)
931 break;
932 if (!(msgflags & MVIS))
933 fprintf (out, "Resent-Bcc: Blind Re-Distribution List: ;\n");
934 break;
935 }
936
937 if (badmsg)
938 adios (NULL, "re-format message and try again");
939 if (!recipients)
940 adios (NULL, "no addressees");
941 }
942
943
944 static int
945 get_header (char *header, struct headers *table)
946 {
947 struct headers *h;
948
949 for (h = table; h->value; h++)
950 if (!mh_strcasecmp (header, h->value))
951 return (h - table);
952
953 return NOTOK;
954 }
955
956
957 static int
958 putadr (char *name, char *aka, struct mailname *mp, FILE *out, unsigned int flags)
959 {
960 int len;
961 char *cp;
962 char buffer[BUFSIZ];
963
964 if (mp->m_mbox == NULL || ((flags & HTRY) && !insert (mp)))
965 return 0;
966 if ((!fill_in && (flags & (HBCC | HDCC))) || mp->m_ingrp)
967 return 1;
968
969 if (!nameoutput) {
970 fprintf (out, "%s: ", name);
971 linepos += (nameoutput = strlen (name) + 2);
972 }
973
974 if (*aka && mp->m_type != UUCPHOST && !mp->m_pers)
975 mp->m_pers = getcpy (aka);
976 if (format) {
977 if (mp->m_gname && !fill_in) {
978 snprintf (buffer, sizeof(buffer), "%s;", mp->m_gname);
979 cp = buffer;
980 } else {
981 cp = adrformat (mp);
982 }
983 } else {
984 cp = mp->m_text;
985 }
986 len = strlen (cp);
987
988 if (linepos != nameoutput) {
989 if (len + linepos + 2 > outputlinelen)
990 fprintf (out, ",\n%*s", linepos = nameoutput, "");
991 else {
992 fputs (", ", out);
993 linepos += 2;
994 }
995 }
996
997 fputs (cp, out);
998 linepos += len;
999
1000 return (flags & HTRY);
1001 }
1002
1003
1004 static void
1005 putgrp (char *name, char *group, FILE *out, unsigned int flags)
1006 {
1007 int len;
1008 char *cp;
1009
1010 if (!fill_in && (flags & HBCC))
1011 return;
1012
1013 if (!nameoutput) {
1014 fprintf (out, "%s: ", name);
1015 linepos += (nameoutput = strlen (name) + 2);
1016 if (fill_in)
1017 linepos -= strlen (group);
1018 }
1019
1020 cp = fill_in ? group : concat (group, ";", NULL);
1021 len = strlen (cp);
1022
1023 if (linepos > nameoutput) {
1024 if (len + linepos + 2 > outputlinelen) {
1025 fprintf (out, ",\n%*s", nameoutput, "");
1026 linepos = nameoutput;
1027 }
1028 else {
1029 fputs (", ", out);
1030 linepos += 2;
1031 }
1032 }
1033
1034 fputs (cp, out);
1035 linepos += len;
1036 }
1037
1038
1039 static int
1040 insert (struct mailname *np)
1041 {
1042 struct mailname *mp;
1043
1044 if (np->m_mbox == NULL)
1045 return 0;
1046
1047 for (mp = np->m_type == LOCALHOST ? &localaddrs
1048 : np->m_type == UUCPHOST ? &uuaddrs
1049 : &netaddrs;
1050 mp->m_next;
1051 mp = mp->m_next)
1052 if (!mh_strcasecmp (np->m_host, mp->m_next->m_host)
1053 && !mh_strcasecmp (np->m_mbox, mp->m_next->m_mbox)
1054 && np->m_bcc == mp->m_next->m_bcc)
1055 return 0;
1056
1057 mp->m_next = np;
1058 recipients++;
1059 return 1;
1060 }
1061
1062
1063 static void
1064 pl (void)
1065 {
1066 int i;
1067 struct mailname *mp;
1068
1069 printf ("-------\n\t-- Addresses --\nlocal:\t");
1070 for (mp = localaddrs.m_next; mp; mp = mp->m_next)
1071 printf ("%s%s%s", mp->m_mbox,
1072 mp->m_bcc ? "[BCC]" : "",
1073 mp->m_next ? ",\n\t" : "");
1074
1075 printf ("\nnet:\t");
1076 for (mp = netaddrs.m_next; mp; mp = mp->m_next)
1077 printf ("%s%s@%s%s%s", mp->m_path ? mp->m_path : "",
1078 mp->m_mbox, mp->m_host,
1079 mp->m_bcc ? "[BCC]" : "",
1080 mp->m_next ? ",\n\t" : "");
1081
1082 printf ("\nuucp:\t");
1083 for (mp = uuaddrs.m_next; mp; mp = mp->m_next)
1084 printf ("%s!%s%s%s", mp->m_host, mp->m_mbox,
1085 mp->m_bcc ? "[BCC]" : "",
1086 mp->m_next ? ",\n\t" : "");
1087
1088 printf ("\n\t-- Folder Copies --\nfcc:\t");
1089 for (i = 0; i < fccind; i++)
1090 printf ("%s%s", fccfold[i], i + 1 < fccind ? ",\n\t" : "");
1091 printf ("\n");
1092 }
1093
1094
1095 static void
1096 anno (void)
1097 {
1098 struct mailname *mp;
1099
1100 for (mp = localaddrs.m_next; mp; mp = mp->m_next)
1101 if (annoaux (mp) == NOTOK)
1102 goto oops;
1103
1104 for (mp = netaddrs.m_next; mp; mp = mp->m_next)
1105 if (annoaux (mp) == NOTOK)
1106 goto oops;
1107
1108 for (mp = uuaddrs.m_next; mp; mp = mp->m_next)
1109 if (annoaux (mp) == NOTOK)
1110 break;
1111
1112 oops: ;
1113 close (pfd);
1114 pfd = NOTOK;
1115 }
1116
1117
1118 static int
1119 annoaux (struct mailname *mp)
1120 {
1121 int i;
1122 char buffer[BUFSIZ];
1123
1124 snprintf (buffer, sizeof(buffer), "%s\n", adrformat (mp));
1125 i = strlen (buffer);
1126
1127 return (write (pfd, buffer, i) == i ? OK : NOTOK);
1128 }
1129
1130
1131 static void
1132 insert_fcc (struct headers *hdr, unsigned char *pp)
1133 {
1134 unsigned char *cp;
1135
1136 for (cp = pp; isspace (*cp); cp++)
1137 continue;
1138 for (pp += strlen (pp) - 1; pp > cp && isspace (*pp); pp--)
1139 continue;
1140 if (pp >= cp)
1141 *++pp = 0;
1142 if (*cp == 0)
1143 return;
1144
1145 if (fccind >= FCCS)
1146 adios (NULL, "too many %ss", hdr->value);
1147 fccfold[fccind++] = getcpy (cp);
1148 }
1149
1150 /*
1151 * BCC GENERATION
1152 */
1153
1154 static void
1155 make_bcc_file (int dashstuff)
1156 {
1157 int fd, i;
1158 pid_t child_id;
1159 char *vec[6];
1160 FILE *out;
1161
1162 strncpy (bccfil, m_tmpfil ("bccs"), sizeof(bccfil));
1163 if ((out = fopen (bccfil, "w")) == NULL)
1164 adios (bccfil, "unable to create");
1165 chmod (bccfil, 0600);
1166
1167 fprintf (out, "Date: %s\n", dtime (&tclock, 0));
1168 if (msgid)
1169 fprintf (out, "Message-ID: <%d.%ld@%s>\n",
1170 (int) getpid (), (long) tclock, LocalName ());
1171 if (msgflags & MFRM) {
1172 /* There was already a From: in the draft. Don't add one. */
1173 if (!draft_from_masquerading)
1174 /* mts.conf didn't contain "masquerade:[...]draft_from[...]"
1175 so we'll reveal the user's actual account@thismachine
1176 address in a Sender: header (and use it as the envelope
1177 From: later). */
1178 fprintf (out, "Sender: %s\n", from);
1179 }
1180 else
1181 /* Construct a From: header. */
1182 fprintf (out, "From: %s\n", signature);
1183 if (subject)
1184 fprintf (out, "Subject: %s", subject);
1185 fprintf (out, "BCC:\n");
1186
1187 /*
1188 * Use MIME encapsulation for Bcc messages
1189 */
1190 if (mime) {
1191 char *cp;
1192
1193 /*
1194 * Check if any lines in the message clash with the
1195 * prefix for the MIME multipart separator. If there
1196 * is a clash, increment one of the letters in the
1197 * prefix and check again.
1198 */
1199 if ((cp = strchr(prefix, 'a')) == NULL)
1200 adios (NULL, "lost prefix start");
1201 while (find_prefix () == NOTOK) {
1202 if (*cp < 'z')
1203 (*cp)++;
1204 else
1205 if (*++cp == 0)
1206 adios (NULL, "can't find a unique delimiter string");
1207 else
1208 (*cp)++;
1209 }
1210
1211 fprintf (out, "%s: %s\n%s: multipart/digest; boundary=\"",
1212 VRSN_FIELD, VRSN_VALUE, TYPE_FIELD);
1213 fprintf (out, "%s\"\n\n--%s\n\n", prefix, prefix);
1214 } else {
1215 fprintf (out, "\n------- Blind-Carbon-Copy\n\n");
1216 }
1217
1218 fflush (out);
1219
1220 /*
1221 * Do mhl filtering of Bcc messages instead
1222 * of MIME encapsulation.
1223 */
1224 if (filter != NULL) {
1225 vec[0] = r1bindex (mhlproc, '/');
1226
1227 for (i = 0; (child_id = fork()) == NOTOK && i < 5; i++)
1228 sleep (5);
1229 switch (child_id) {
1230 case NOTOK:
1231 adios ("fork", "unable to");
1232
1233 case OK:
1234 dup2 (fileno (out), 1);
1235
1236 i = 1;
1237 vec[i++] = "-forward";
1238 vec[i++] = "-form";
1239 vec[i++] = filter;
1240 vec[i++] = tmpfil;
1241
1242 /* was the flag -[no]dashstuffing specified? */
1243 if (dashstuff > 0)
1244 vec[i++] = "-dashstuffing";
1245 else if (dashstuff < 0)
1246 vec[i++] = "-nodashstuffing";
1247 vec[i] = NULL;
1248
1249 execvp (mhlproc, vec);
1250 fprintf (stderr, "unable to exec ");
1251 perror (mhlproc);
1252 _exit (-1);
1253
1254 default:
1255 pidXwait (child_id, mhlproc);
1256 break;
1257 }
1258 } else {
1259 if ((fd = open (tmpfil, O_RDONLY)) == NOTOK)
1260 adios (tmpfil, "unable to re-open");
1261
1262 /*
1263 * If using MIME encapsulation, or if the -nodashstuffing
1264 * flag was given, then just copy message. Else do
1265 * RFC934 quoting (dashstuffing).
1266 */
1267 if (mime || dashstuff < 0)
1268 cpydata (fd, fileno (out), tmpfil, bccfil);
1269 else
1270 cpydgst (fd, fileno (out), tmpfil, bccfil);
1271 close (fd);
1272 }
1273
1274 fseek (out, 0L, SEEK_END);
1275 if (mime)
1276 fprintf (out, "\n--%s--\n", prefix);
1277 else
1278 fprintf (out, "\n------- End of Blind-Carbon-Copy\n");
1279 fclose (out);
1280 }
1281
1282
1283 /*
1284 * Scan message to check if any lines clash with
1285 * the prefix of the MIME multipart separator.
1286 */
1287
1288 static int
1289 find_prefix (void)
1290 {
1291 int len, result;
1292 unsigned char buffer[BUFSIZ];
1293 FILE *in;
1294
1295 if ((in = fopen (tmpfil, "r")) == NULL)
1296 adios (tmpfil, "unable to re-open");
1297
1298 len = strlen (prefix);
1299
1300 result = OK;
1301 while (fgets (buffer, sizeof(buffer) - 1, in))
1302 if (buffer[0] == '-' && buffer[1] == '-') {
1303 unsigned char *cp;
1304
1305 for (cp = buffer + strlen (buffer) - 1; cp >= buffer; cp--)
1306 if (!isspace (*cp))
1307 break;
1308 *++cp = '\0';
1309 if (strcmp (buffer + 2, prefix) == 0) {
1310 result = NOTOK;
1311 break;
1312 }
1313 }
1314
1315 fclose (in);
1316 return result;
1317 }
1318
1319
1320 #define plural(x) (x == 1 ? "" : "s")
1321
1322 static void
1323 chkadr (void)
1324 {
1325 if (badadr && unkadr)
1326 die (NULL, "%d address%s unparsable, %d addressee%s undeliverable",
1327 badadr, plural (badadr), unkadr, plural (badadr));
1328 if (badadr)
1329 die (NULL, "%d address%s unparsable", badadr, plural (badadr));
1330 if (unkadr)
1331 die (NULL, "%d addressee%s undeliverable", unkadr, plural (unkadr));
1332 }
1333
1334
1335 static void
1336 do_addresses (int bccque, int talk)
1337 {
1338 int retval;
1339 int state;
1340 struct mailname *lp;
1341
1342 state = 0;
1343 for (lp = localaddrs.m_next; lp; lp = lp->m_next)
1344 if (lp->m_bcc ? bccque : !bccque) {
1345 if (talk && !state)
1346 printf (" -- Local Recipients --\n");
1347 do_an_address (lp, talk);
1348 state++;
1349 }
1350
1351 state = 0;
1352 for (lp = uuaddrs.m_next; lp; lp = lp->m_next)
1353 if (lp->m_bcc ? bccque : !bccque) {
1354 if (talk && !state)
1355 printf (" -- UUCP Recipients --\n");
1356 do_an_address (lp, talk);
1357 state++;
1358 }
1359
1360 state = 0;
1361 for (lp = netaddrs.m_next; lp; lp = lp->m_next)
1362 if (lp->m_bcc ? bccque : !bccque) {
1363 if (talk && !state)
1364 printf (" -- Network Recipients --\n");
1365 do_an_address (lp, talk);
1366 state++;
1367 }
1368
1369 chkadr ();
1370
1371 #ifdef SMTPMTS
1372 if (rp_isbad (retval = sm_waend ()))
1373 die (NULL, "problem ending addresses; %s", rp_string (retval));
1374 #endif /* SMTPMTS */
1375 }
1376
1377
1378 /*
1379 * MTS-SPECIFIC INTERACTION
1380 */
1381
1382
1383 /*
1384 * SENDMAIL/SMTP routines
1385 */
1386
1387 #ifdef SMTPMTS
1388
1389 static void
1390 post (char *file, int bccque, int talk)
1391 {
1392 int fd, onex;
1393 int retval;
1394
1395 onex = !(msgflags & MINV) || bccque;
1396 if (verbose) {
1397 if (msgflags & MINV)
1398 printf (" -- Posting for %s Recipients --\n",
1399 bccque ? "Blind" : "Sighted");
1400 else
1401 printf (" -- Posting for All Recipients --\n");
1402 }
1403
1404 sigon ();
1405
1406 if (rp_isbad (retval = sm_init (clientsw, serversw, watch, verbose,
1407 snoop, onex, queued, sasl, saslmech,
1408 user))
1409 || rp_isbad (retval = sm_winit (smtpmode, from)))
1410 die (NULL, "problem initializing server; %s", rp_string (retval));
1411
1412 do_addresses (bccque, talk && verbose);
1413 if ((fd = open (file, O_RDONLY)) == NOTOK)
1414 die (file, "unable to re-open");
1415 do_text (file, fd);
1416 close (fd);
1417 fflush (stdout);
1418
1419 sm_end (onex ? OK : DONE);
1420 sigoff ();
1421
1422 if (verbose) {
1423 if (msgflags & MINV)
1424 printf (" -- %s Recipient Copies Posted --\n",
1425 bccque ? "Blind" : "Sighted");
1426 else
1427 printf (" -- Recipient Copies Posted --\n");
1428 }
1429
1430 fflush (stdout);
1431 }
1432
1433
1434 /* Address Verification */
1435
1436 static void
1437 verify_all_addresses (int talk)
1438 {
1439 int retval;
1440 struct mailname *lp;
1441
1442 sigon ();
1443
1444 if (!whomsw || checksw)
1445 if (rp_isbad (retval = sm_init (clientsw, serversw, watch, verbose, snoop, 0,
1446 queued, sasl, saslmech, user))
1447 || rp_isbad (retval = sm_winit (smtpmode, from)))
1448 die (NULL, "problem initializing server; %s", rp_string (retval));
1449
1450 if (talk && !whomsw)
1451 printf (" -- Address Verification --\n");
1452 if (talk && localaddrs.m_next)
1453 printf (" -- Local Recipients --\n");
1454 for (lp = localaddrs.m_next; lp; lp = lp->m_next)
1455 do_an_address (lp, talk);
1456
1457 if (talk && uuaddrs.m_next)
1458 printf (" -- UUCP Recipients --\n");
1459 for (lp = uuaddrs.m_next; lp; lp = lp->m_next)
1460 do_an_address (lp, talk);
1461
1462 if (talk && netaddrs.m_next)
1463 printf (" -- Network Recipients --\n");
1464 for (lp = netaddrs.m_next; lp; lp = lp->m_next)
1465 do_an_address (lp, talk);
1466
1467 chkadr ();
1468 if (talk && !whomsw)
1469 printf (" -- Address Verification Successful --\n");
1470
1471 if (!whomsw || checksw)
1472 sm_end (DONE);
1473
1474 fflush (stdout);
1475 sigoff ();
1476 }
1477
1478
1479 static void
1480 do_an_address (struct mailname *lp, int talk)
1481 {
1482 int retval;
1483 char *mbox, *host;
1484 char addr[BUFSIZ];
1485
1486 switch (lp->m_type) {
1487 case LOCALHOST:
1488 mbox = lp->m_mbox;
1489 host = lp->m_host;
1490 strncpy (addr, mbox, sizeof(addr));
1491 break;
1492
1493 case UUCPHOST:
1494 mbox = auxformat (lp, 0);
1495 host = NULL;
1496 snprintf (addr, sizeof(addr), "%s!%s", lp->m_host, lp->m_mbox);
1497 break;
1498
1499 default: /* let SendMail decide if the host is bad */
1500 mbox = lp->m_mbox;
1501 host = lp->m_host;
1502 snprintf (addr, sizeof(addr), "%s at %s", mbox, host);
1503 break;
1504 }
1505
1506 if (talk)
1507 printf (" %s%s", addr, whomsw && lp->m_bcc ? "[BCC]" : "");
1508
1509 if (whomsw && !checksw) {
1510 putchar ('\n');
1511 return;
1512 }
1513 if (talk)
1514 printf (": ");
1515 fflush (stdout);
1516
1517 switch (retval = sm_wadr (mbox, host,
1518 lp->m_type != UUCPHOST ? lp->m_path : NULL)) {
1519 case RP_OK:
1520 if (talk)
1521 printf ("address ok\n");
1522 break;
1523
1524 case RP_NO:
1525 case RP_USER:
1526 if (!talk)
1527 fprintf (stderr, " %s: ", addr);
1528 fprintf (talk ? stdout : stderr, "loses; %s\n",
1529 rp_string (retval));
1530 unkadr++;
1531 break;
1532
1533 default:
1534 if (!talk)
1535 fprintf (stderr, " %s: ", addr);
1536 die (NULL, "unexpected response; %s", rp_string (retval));
1537 }
1538
1539 fflush (stdout);
1540 }
1541
1542
1543 static void
1544 do_text (char *file, int fd)
1545 {
1546 int retval, state;
1547 char buf[BUFSIZ];
1548
1549 lseek (fd, (off_t) 0, SEEK_SET);
1550
1551 while ((state = read (fd, buf, sizeof(buf))) > 0) {
1552 if (rp_isbad (retval = sm_wtxt (buf, state)))
1553 die (NULL, "problem writing text; %s\n", rp_string (retval));
1554 }
1555
1556 if (state == NOTOK)
1557 die (file, "problem reading from");
1558
1559 switch (retval = sm_wtend ()) {
1560 case RP_OK:
1561 break;
1562
1563 case RP_NO:
1564 case RP_NDEL:
1565 die (NULL, "posting failed; %s", rp_string (retval));
1566
1567 default:
1568 die (NULL, "unexpected response; %s", rp_string (retval));
1569 }
1570 }
1571
1572 #endif /* SMTPMTS */
1573
1574
1575 /*
1576 * SIGNAL HANDLING
1577 */
1578
1579 static RETSIGTYPE
1580 sigser (int i)
1581 {
1582 #ifndef RELIABLE_SIGNALS
1583 SIGNAL (i, SIG_IGN);
1584 #endif
1585
1586 unlink (tmpfil);
1587 if (msgflags & MINV)
1588 unlink (bccfil);
1589
1590 #ifdef SMTPMTS
1591 if (!whomsw || checksw)
1592 sm_end (NOTOK);
1593 #endif /* SMTPMTS */
1594
1595 done (1);
1596 }
1597
1598
1599 static void
1600 sigon (void)
1601 {
1602 if (debug)
1603 return;
1604
1605 hstat = SIGNAL2 (SIGHUP, sigser);
1606 istat = SIGNAL2 (SIGINT, sigser);
1607 qstat = SIGNAL2 (SIGQUIT, sigser);
1608 tstat = SIGNAL2 (SIGTERM, sigser);
1609 }
1610
1611
1612 static void
1613 sigoff (void)
1614 {
1615 if (debug)
1616 return;
1617
1618 SIGNAL (SIGHUP, hstat);
1619 SIGNAL (SIGINT, istat);
1620 SIGNAL (SIGQUIT, qstat);
1621 SIGNAL (SIGTERM, tstat);
1622 }
1623
1624 /*
1625 * FCC INTERACTION
1626 */
1627
1628 static void
1629 p_refile (char *file)
1630 {
1631 int i;
1632
1633 if (fccind == 0)
1634 return;
1635
1636 if (verbose)
1637 printf (" -- Filing Folder Copies --\n");
1638 for (i = 0; i < fccind; i++)
1639 fcc (file, fccfold[i]);
1640 if (verbose)
1641 printf (" -- Folder Copies Filed --\n");
1642 }
1643
1644
1645 /*
1646 * Call the `fileproc' to add the file to the folder.
1647 */
1648
1649 static void
1650 fcc (char *file, char *folder)
1651 {
1652 pid_t child_id;
1653 int i, status;
1654 char fold[BUFSIZ];
1655
1656 if (verbose)
1657 printf (" %sFcc %s: ", msgstate == RESENT ? "Resent-" : "", folder);
1658 fflush (stdout);
1659
1660 for (i = 0; (child_id = fork ()) == NOTOK && i < 5; i++)
1661 sleep (5);
1662
1663 switch (child_id) {
1664 case NOTOK:
1665 if (!verbose)
1666 fprintf (stderr, " %sFcc %s: ",
1667 msgstate == RESENT ? "Resent-" : "", folder);
1668 fprintf (verbose ? stdout : stderr, "no forks, so not ok\n");
1669 break;
1670
1671 case OK:
1672 /* see if we need to add `+' */
1673 snprintf (fold, sizeof(fold), "%s%s",
1674 *folder == '+' || *folder == '@' ? "" : "+", folder);
1675
1676 /* now exec the fileproc */
1677 execlp (fileproc, r1bindex (fileproc, '/'),
1678 "-link", "-file", file, fold, NULL);
1679 _exit (-1);
1680
1681 default:
1682 if ((status = pidwait (child_id, OK))) {
1683 if (!verbose)
1684 fprintf (stderr, " %sFcc %s: ",
1685 msgstate == RESENT ? "Resent-" : "", folder);
1686 pidstatus (status, verbose ? stdout : stderr, NULL);
1687 } else {
1688 if (verbose)
1689 printf ("folder ok\n");
1690 }
1691 }
1692
1693 fflush (stdout);
1694 }
1695
1696 /*
1697 * TERMINATION
1698 */
1699
1700 static void
1701 die (char *what, char *fmt, ...)
1702 {
1703 va_list ap;
1704
1705 unlink (tmpfil);
1706 if (msgflags & MINV)
1707 unlink (bccfil);
1708
1709 #ifdef SMTPMTS
1710 if (!whomsw || checksw)
1711 sm_end (NOTOK);
1712 #endif /* SMTPMTS */
1713
1714 va_start(ap, fmt);
1715 advertise (what, NULL, fmt, ap);
1716 va_end(ap);
1717 done (1);
1718 }
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