]> diplodocus.org Git - nmh/blob - uip/post.c
projects / nmh / blob
? search:


87e31e8f60c348cebdcb204cc87dc67f686ec1ea
[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 #ifndef TLS_SUPPORT
50 # define TLSminc(a) (a)
51 #else /* TLS_SUPPORT */
52 # define TLSminc(a) 0
53 #endif /* TLS_SUPPORT */
54
55 #define FCCS 10 /* max number of fccs allowed */
56
57 #define uptolow(c) ((isalpha(c) && isupper (c)) ? tolower (c) : c)
58
59 /* In the following array of structures, the numeric second field of the
60 structures (minchars) is apparently used like this:
61
62 -# : Switch can be abbreviated to # characters; switch hidden in -help.
63 0 : Switch can't be abbreviated; switch shown in -help.
64 # : Switch can be abbreviated to # characters; switch shown in -help. */
65
66 static struct swit switches[] = {
67 #define ALIASW 0
68 { "alias aliasfile", 0 },
69 #define CHKSW 1
70 { "check", -5 }, /* interface from whom */
71 #define NCHKSW 2
72 { "nocheck", -7 }, /* interface from whom */
73 #define DEBUGSW 3
74 { "debug", -5 },
75 #define DISTSW 4
76 { "dist", -4 }, /* interface from dist */
77 #define FILTSW 5
78 { "filter filterfile", 0 },
79 #define NFILTSW 6
80 { "nofilter", 0 },
81 #define FRMTSW 7
82 { "format", 0 },
83 #define NFRMTSW 8
84 { "noformat", 0 },
85 #define LIBSW 9
86 { "library directory", -7 }, /* interface from send, whom */
87 #define MIMESW 10
88 { "mime", 0 },
89 #define NMIMESW 11
90 { "nomime", 0 },
91 #define MSGDSW 12
92 { "msgid", 0 },
93 #define NMSGDSW 13
94 { "nomsgid", 0 },
95 #define VERBSW 14
96 { "verbose", 0 },
97 #define NVERBSW 15
98 { "noverbose", 0 },
99 #define WATCSW 16
100 { "watch", 0 },
101 #define NWATCSW 17
102 { "nowatch", 0 },
103 #define WHOMSW 18
104 { "whom", -4 }, /* interface from whom */
105 #define WIDTHSW 19
106 { "width columns", 0 },
107 #define VERSIONSW 20
108 { "version", 0 },
109 #define HELPSW 21
110 { "help", 0 },
111 #define BITSTUFFSW 22
112 { "dashstuffing", -12 }, /* should we dashstuff BCC messages? */
113 #define NBITSTUFFSW 23
114 { "nodashstuffing", -14 },
115 #define MAILSW 24
116 { "mail", -4 }, /* specify MAIL smtp mode */
117 #define SAMLSW 25
118 { "saml", -4 }, /* specify SAML smtp mode */
119 #define SENDSW 26
120 { "send", -4 }, /* specify SEND smtp mode */
121 #define SOMLSW 27
122 { "soml", -4 }, /* specify SOML smtp mode */
123 #define ANNOSW 28
124 { "idanno number", -6 }, /* interface from send */
125 #define DLVRSW 29
126 { "deliver address-list", -7 },
127 #define CLIESW 30
128 { "client host", -6 },
129 #define SERVSW 31
130 { "server host", -6 }, /* specify alternate SMTP server */
131 #define SNOOPSW 32
132 { "snoop", -5 }, /* snoop the SMTP transaction */
133 #define FILLSW 33
134 { "fill-in file", -7 },
135 #define FILLUSW 34
136 { "fill-up", -7 },
137 #define PARTSW 35
138 { "partno", -6 },
139 #define QUEUESW 36
140 { "queued", -6 },
141 #define SASLSW 37
142 { "sasl", SASLminc(-4) },
143 #define SASLMECHSW 38
144 { "saslmech", SASLminc(-5) },
145 #define USERSW 39
146 { "user", SASLminc(-4) },
147 #define PORTSW 40
148 { "port server port name/number", 4 },
149 #define TLSSW 41
150 { "tls", TLSminc(-3) },
151 { NULL, 0 }
152 };
153
154
155 struct headers {
156 char *value;
157 unsigned int flags;
158 unsigned int set;
159 };
160
161 /*
162 * flags for headers->flags
163 */
164 #define HNOP 0x0000 /* just used to keep .set around */
165 #define HBAD 0x0001 /* bad header - don't let it through */
166 #define HADR 0x0002 /* header has an address field */
167 #define HSUB 0x0004 /* Subject: header */
168 #define HTRY 0x0008 /* try to send to addrs on header */
169 #define HBCC 0x0010 /* don't output this header */
170 #define HMNG 0x0020 /* munge this header */
171 #define HNGR 0x0040 /* no groups allowed in this header */
172 #define HFCC 0x0080 /* FCC: type header */
173 #define HNIL 0x0100 /* okay for this header not to have addrs */
174 #define HIGN 0x0200 /* ignore this header */
175 #define HDCC 0x0400 /* another undocumented feature */
176
177 /*
178 * flags for headers->set
179 */
180 #define MFRM 0x0001 /* we've seen a From: */
181 #define MDAT 0x0002 /* we've seen a Date: */
182 #define MRFM 0x0004 /* we've seen a Resent-From: */
183 #define MVIS 0x0008 /* we've seen sighted addrs */
184 #define MINV 0x0010 /* we've seen blind addrs */
185
186
187 static struct headers NHeaders[] = {
188 { "Return-Path", HBAD, 0 },
189 { "Received", HBAD, 0 },
190 { "Reply-To", HADR|HNGR, 0 },
191 { "From", HADR|HNGR, MFRM },
192 { "Sender", HADR|HBAD, 0 },
193 { "Date", HBAD, 0 },
194 { "Subject", HSUB, 0 },
195 { "To", HADR|HTRY, MVIS },
196 { "cc", HADR|HTRY, MVIS },
197 { "Bcc", HADR|HTRY|HBCC|HNIL, MINV },
198 { "Dcc", HADR|HTRY|HDCC|HNIL, MVIS }, /* sorta cc & bcc combined */
199 { "Message-ID", HBAD, 0 },
200 { "Fcc", HFCC, 0 },
201 { NULL, 0, 0 }
202 };
203
204 static struct headers RHeaders[] = {
205 { "Resent-Reply-To", HADR|HNGR, 0 },
206 { "Resent-From", HADR|HNGR, MRFM },
207 { "Resent-Sender", HADR|HBAD, 0 },
208 { "Resent-Date", HBAD, 0 },
209 { "Resent-Subject", HSUB, 0 },
210 { "Resent-To", HADR|HTRY, MVIS },
211 { "Resent-cc", HADR|HTRY, MVIS },
212 { "Resent-Bcc", HADR|HTRY|HBCC, MINV },
213 { "Resent-Message-ID", HBAD, 0 },
214 { "Resent-Fcc", HFCC, 0 },
215 { "Reply-To", HADR, 0 },
216 { "From", HADR|HNGR, MFRM },
217 { "Sender", HADR|HNGR, 0 },
218 { "Date", HNOP, MDAT },
219 { "To", HADR|HNIL, 0 },
220 { "cc", HADR|HNIL, 0 },
221 { "Bcc", HADR|HTRY|HBCC|HNIL, 0 },
222 { "Fcc", HIGN, 0 },
223 { NULL, 0, 0 }
224 };
225
226 static short fccind = 0; /* index into fccfold[] */
227 static short outputlinelen = OUTPUTLINELEN;
228
229 static int pfd = NOTOK; /* fd to write annotation list to */
230 static uid_t myuid= -1; /* my user id */
231 static gid_t mygid= -1; /* my group id */
232 static int recipients = 0; /* how many people will get a copy */
233 static int unkadr = 0; /* how many of those were unknown */
234 static int badadr = 0; /* number of bad addrs */
235 static int badmsg = 0; /* message has bad semantics */
236 static int verbose = 0; /* spell it out */
237 static int format = 1; /* format addresses */
238 static int mime = 0; /* use MIME-style encapsulations for Bcc */
239 static int msgid = 0; /* add msgid */
240 static int debug = 0; /* debugging post */
241 static int watch = 0; /* watch the delivery process */
242 static int whomsw = 0; /* we are whom not post */
243 static int checksw = 0; /* whom -check */
244 static int linepos=0; /* putadr()'s position on the line */
245 static int nameoutput=0; /* putadr() has output header name */
246 static int sasl=0; /* Use SASL auth for SMTP */
247 static char *saslmech=NULL; /* Force use of particular SASL mech */
248 static char *user=NULL; /* Authenticate as this user */
249 static char *port="smtp"; /* Name of server port for SMTP */
250 static int tls=0; /* Use TLS for encryption */
251
252 static unsigned msgflags = 0; /* what we've seen */
253
254 #define NORMAL 0
255 #define RESENT 1
256 static int msgstate = NORMAL;
257
258 static time_t tclock = 0; /* the time we started (more or less) */
259
260 static SIGNAL_HANDLER hstat, istat, qstat, tstat;
261
262 static char tmpfil[BUFSIZ];
263 static char bccfil[BUFSIZ];
264
265 static char from[BUFSIZ]; /* my network address */
266 static char signature[BUFSIZ]; /* my signature */
267 static char *filter = NULL; /* the filter for BCC'ing */
268 static char *subject = NULL; /* the subject field for BCC'ing */
269 static char *fccfold[FCCS]; /* foldernames for FCC'ing */
270
271 static struct headers *hdrtab; /* table for the message we're doing */
272
273 static struct mailname localaddrs={NULL}; /* local addrs */
274 static struct mailname netaddrs={NULL}; /* network addrs */
275 static struct mailname uuaddrs={NULL}; /* uucp addrs */
276 static struct mailname tmpaddrs={NULL}; /* temporary queue */
277
278 #ifdef SMTPMTS
279 static int snoop = 0;
280 static int smtpmode = S_MAIL;
281 static char *clientsw = NULL;
282 static char *serversw = NULL;
283
284 extern struct smtp sm_reply;
285 #endif /* SMTPMTS */
286
287 static char prefix[] = "----- =_aaaaaaaaaa";
288
289 static int fill_up = 0;
290 static char *fill_in = NULL;
291 static char *partno = NULL;
292 static int queued = 0;
293
294 extern boolean draft_from_masquerading; /* defined in mts.c */
295
296 /*
297 * static prototypes
298 */
299 static void putfmt (char *, char *, FILE *);
300 static void start_headers (void);
301 static void finish_headers (FILE *);
302 static int get_header (char *, struct headers *);
303 static int putadr (char *, char *, struct mailname *, FILE *, unsigned int);
304 static void putgrp (char *, char *, FILE *, unsigned int);
305 static int insert (struct mailname *);
306 static void pl (void);
307 static void anno (void);
308 static int annoaux (struct mailname *);
309 static void insert_fcc (struct headers *, unsigned char *);
310 static void make_bcc_file (int);
311 static void verify_all_addresses (int);
312 static void chkadr (void);
313 static void sigon (void);
314 static void sigoff (void);
315 static void p_refile (char *);
316 static void fcc (char *, char *);
317 static void die (char *, char *, ...);
318 static void post (char *, int, int);
319 static void do_text (char *file, int fd);
320 static void do_an_address (struct mailname *, int);
321 static void do_addresses (int, int);
322 static int find_prefix (void);
323
324
325 int
326 main (int argc, char **argv)
327 {
328 int state, compnum, dashstuff = 0;
329 char *cp, *msg = NULL, **argp, **arguments;
330 char buf[BUFSIZ], name[NAMESZ];
331 FILE *in, *out;
332
333 #ifdef LOCALE
334 setlocale(LC_ALL, "");
335 #endif
336 invo_name = r1bindex (argv[0], '/');
337
338 /* foil search of user profile/context */
339 if (context_foil (NULL) == -1)
340 done (1);
341
342 mts_init (invo_name);
343 arguments = getarguments (invo_name, argc, argv, 0);
344 argp = arguments;
345
346 while ((cp = *argp++)) {
347 if (*cp == '-') {
348 switch (smatch (++cp, switches)) {
349 case AMBIGSW:
350 ambigsw (cp, switches);
351 done (1);
352 case UNKWNSW:
353 adios (NULL, "-%s unknown", cp);
354
355 case HELPSW:
356 snprintf (buf, sizeof(buf), "%s [switches] file", invo_name);
357 print_help (buf, switches, 0);
358 done (1);
359 case VERSIONSW:
360 print_version(invo_name);
361 done (1);
362
363 case LIBSW:
364 if (!(cp = *argp++) || *cp == '-')
365 adios (NULL, "missing argument to %s", argp[-2]);
366 /* create a minimal context */
367 if (context_foil (cp) == -1)
368 done (1);
369 continue;
370
371 case ALIASW:
372 if (!(cp = *argp++) || *cp == '-')
373 adios (NULL, "missing argument to %s", argp[-2]);
374 if ((state = alias (cp)) != AK_OK)
375 adios (NULL, "aliasing error in %s - %s",
376 cp, akerror (state));
377 continue;
378
379 case CHKSW:
380 checksw++;
381 continue;
382 case NCHKSW:
383 checksw = 0;
384 continue;
385
386 case DEBUGSW:
387 debug++;
388 continue;
389
390 case DISTSW:
391 msgstate = RESENT;
392 continue;
393
394 case FILTSW:
395 if (!(filter = *argp++) || *filter == '-')
396 adios (NULL, "missing argument to %s", argp[-2]);
397 mime = 0;
398 continue;
399 case NFILTSW:
400 filter = NULL;
401 continue;
402
403 case FRMTSW:
404 format++;
405 continue;
406 case NFRMTSW:
407 format = 0;
408 continue;
409
410 case BITSTUFFSW:
411 dashstuff = 1;
412 continue;
413 case NBITSTUFFSW:
414 dashstuff = -1;
415 continue;
416
417 case MIMESW:
418 mime++;
419 filter = NULL;
420 continue;
421 case NMIMESW:
422 mime = 0;
423 continue;
424
425 case MSGDSW:
426 msgid++;
427 continue;
428 case NMSGDSW:
429 msgid = 0;
430 continue;
431
432 case VERBSW:
433 verbose++;
434 continue;
435 case NVERBSW:
436 verbose = 0;
437 continue;
438
439 case WATCSW:
440 watch++;
441 continue;
442 case NWATCSW:
443 watch = 0;
444 continue;
445
446 case WHOMSW:
447 whomsw++;
448 continue;
449
450 case WIDTHSW:
451 if (!(cp = *argp++) || *cp == '-')
452 adios (NULL, "missing argument to %s", argp[-2]);
453 if ((outputlinelen = atoi (cp)) < 10)
454 adios (NULL, "impossible width %d", outputlinelen);
455 continue;
456
457 case ANNOSW:
458 if (!(cp = *argp++) || *cp == '-')
459 adios (NULL, "missing argument to %s", argp[-2]);
460 if ((pfd = atoi (cp)) <= 2)
461 adios (NULL, "bad argument %s %s", argp[-2], cp);
462 continue;
463
464 case DLVRSW:
465 if (!(cp = *argp++) || *cp == '-')
466 adios (NULL, "missing argument to %s", argp[-2]);
467 continue;
468
469 #ifndef SMTPMTS
470 case CLIESW:
471 case SERVSW:
472 if (!(cp = *argp++) || *cp == '-')
473 adios (NULL, "missing argument to %s", argp[-2]);
474 continue;
475
476 case SNOOPSW:
477 continue;
478 #else /* SMTPMTS */
479 case MAILSW:
480 smtpmode = S_MAIL;
481 continue;
482 case SAMLSW:
483 smtpmode = S_SAML;
484 continue;
485 case SOMLSW:
486 smtpmode = S_SOML;
487 continue;
488 case SENDSW:
489 smtpmode = S_SEND;
490 continue;
491 case CLIESW:
492 if (!(clientsw = *argp++) || *clientsw == '-')
493 adios (NULL, "missing argument to %s", argp[-2]);
494 continue;
495 case SERVSW:
496 if (!(serversw = *argp++) || *serversw == '-')
497 adios (NULL, "missing argument to %s", argp[-2]);
498 continue;
499 case SNOOPSW:
500 snoop++;
501 continue;
502 #endif /* SMTPMTS */
503
504 case FILLSW:
505 if (!(fill_in = *argp++) || *fill_in == '-')
506 adios (NULL, "missing argument to %s", argp[-2]);
507 continue;
508 case FILLUSW:
509 fill_up++;
510 continue;
511 case PARTSW:
512 if (!(partno = *argp++) || *partno == '-')
513 adios (NULL, "missing argument to %s", argp[-2]);
514 continue;
515
516 case QUEUESW:
517 queued++;
518 continue;
519
520 case SASLSW:
521 sasl++;
522 continue;
523
524 case SASLMECHSW:
525 if (!(saslmech = *argp++) || *saslmech == '-')
526 adios (NULL, "missing argument to %s", argp[-2]);
527 continue;
528
529 case USERSW:
530 if (!(user = *argp++) || *user == '-')
531 adios (NULL, "missing argument to %s", argp[-2]);
532 continue;
533
534 case PORTSW:
535 if (!(port = *argp++) || *port == '-')
536 adios (NULL, "missing argument to %s", argp[-2]);
537 continue;
538
539 case TLSSW:
540 tls++;
541 continue;
542 }
543 }
544 if (msg)
545 adios (NULL, "only one message at a time!");
546 else
547 msg = cp;
548 }
549
550 alias (AliasFile);
551
552 if (!msg)
553 adios (NULL, "usage: %s [switches] file", invo_name);
554
555 if (outputlinelen < 10)
556 adios (NULL, "impossible width %d", outputlinelen);
557
558 if ((in = fopen (msg, "r")) == NULL)
559 adios (msg, "unable to open");
560
561 start_headers ();
562 if (debug) {
563 verbose++;
564 discard (out = stdout); /* XXX: reference discard() to help loader */
565 } else {
566 if (whomsw) {
567 if ((out = fopen (fill_in ? fill_in : "/dev/null", "w")) == NULL)
568 adios ("/dev/null", "unable to open");
569 } else {
570 char *cp = m_mktemp(m_maildir(invo_name), NULL, &out);
571 if (cp == NULL) {
572 cp = m_mktemp2(NULL, invo_name, NULL, &out);
573 if (cp == NULL) {
574 adios ("post", "unable to create temporary file");
575 }
576 }
577 strncpy(tmpfil, cp, sizeof(tmpfil));
578 chmod (tmpfil, 0600);
579 }
580 }
581
582 hdrtab = msgstate == NORMAL ? NHeaders : RHeaders;
583
584 for (compnum = 1, state = FLD;;) {
585 switch (state = m_getfld (state, name, buf, sizeof(buf), in)) {
586 case FLD:
587 case FLDEOF:
588 case FLDPLUS:
589 compnum++;
590 cp = add (buf, NULL);
591 while (state == FLDPLUS) {
592 state = m_getfld (state, name, buf, sizeof(buf), in);
593 cp = add (buf, cp);
594 }
595 putfmt (name, cp, out);
596 free (cp);
597 if (state != FLDEOF)
598 continue;
599 finish_headers (out);
600 break;
601
602 case BODY:
603 case BODYEOF:
604 finish_headers (out);
605 if (whomsw && !fill_in)
606 break;
607 fprintf (out, "\n%s", buf);
608 while (state == BODY) {
609 state = m_getfld (state, name, buf, sizeof(buf), in);
610 fputs (buf, out);
611 }
612 break;
613
614 case FILEEOF:
615 finish_headers (out);
616 break;
617
618 case LENERR:
619 case FMTERR:
620 adios (NULL, "message format error in component #%d", compnum);
621
622 default:
623 adios (NULL, "getfld() returned %d", state);
624 }
625 break;
626 }
627
628 if (pfd != NOTOK)
629 anno ();
630 fclose (in);
631
632 if (debug) {
633 pl ();
634 done (0);
635 } else {
636 fclose (out);
637 }
638
639 /* If we are doing a "whom" check */
640 if (whomsw) {
641 if (!fill_up)
642 verify_all_addresses (1);
643 done (0);
644 }
645
646 if (msgflags & MINV) {
647 make_bcc_file (dashstuff);
648 if (msgflags & MVIS) {
649 verify_all_addresses (verbose);
650 post (tmpfil, 0, verbose);
651 }
652 post (bccfil, 1, verbose);
653 unlink (bccfil);
654 } else {
655 post (tmpfil, 0, isatty (1));
656 }
657
658 p_refile (tmpfil);
659 unlink (tmpfil);
660
661 if (verbose)
662 printf (partno ? "Partial Message #%s Processed\n" : "Message Processed\n",
663 partno);
664 done (0);
665 return 1;
666 }
667
668
669 /*
670 * DRAFT GENERATION
671 */
672
673 static void
674 putfmt (char *name, char *str, FILE *out)
675 {
676 int count, grp, i, keep;
677 char *cp, *pp, *qp;
678 char namep[BUFSIZ];
679 struct mailname *mp = NULL, *np = NULL;
680 struct headers *hdr;
681
682 while (*str == ' ' || *str == '\t')
683 str++;
684
685 if (msgstate == NORMAL && uprf (name, "resent")) {
686 advise (NULL, "illegal header line -- %s:", name);
687 badmsg++;
688 return;
689 }
690
691 if ((i = get_header (name, hdrtab)) == NOTOK) {
692 fprintf (out, "%s: %s", name, str);
693 return;
694 }
695
696 hdr = &hdrtab[i];
697 if (hdr->flags & HIGN) {
698 if (fill_in)
699 fprintf (out, "%s: %s", name, str);
700 return;
701 }
702 if (hdr->flags & HBAD) {
703 if (fill_in)
704 fprintf (out, "%s: %s", name, str);
705 else {
706 advise (NULL, "illegal header line -- %s:", name);
707 badmsg++;
708 }
709 return;
710 }
711 msgflags |= (hdr->set & ~(MVIS | MINV));
712
713 if (hdr->flags & HSUB)
714 subject = subject ? add (str, add ("\t", subject)) : getcpy (str);
715 if (hdr->flags & HFCC) {
716 if (fill_in) {
717 fprintf (out, "%s: %s", name, str);
718 return;
719 }
720
721 if ((cp = strrchr(str, '\n')))
722 *cp = 0;
723 for (cp = pp = str; (cp = strchr(pp, ',')); pp = cp) {
724 *cp++ = 0;
725 insert_fcc (hdr, pp);
726 }
727 insert_fcc (hdr, pp);
728 return;
729 }
730
731 if (!(hdr->flags & HADR)) {
732 fprintf (out, "%s: %s", name, str);
733 return;
734 }
735
736 tmpaddrs.m_next = NULL;
737 for (count = 0; (cp = getname (str)); count++)
738 if ((mp = getm (cp, NULL, 0, AD_HOST, NULL))) {
739 if (tmpaddrs.m_next)
740 np->m_next = mp;
741 else
742 tmpaddrs.m_next = mp;
743 np = mp;
744 }
745 else
746 if (hdr->flags & HTRY)
747 badadr++;
748 else
749 badmsg++;
750
751 if (count < 1) {
752 if (hdr->flags & HNIL)
753 fprintf (out, "%s: %s", name, str);
754 else {
755 #ifdef notdef
756 advise (NULL, "%s: field requires at least one address", name);
757 badmsg++;
758 #endif /* notdef */
759 }
760 return;
761 }
762
763 nameoutput = linepos = 0;
764 snprintf (namep, sizeof(namep), "%s%s",
765 !fill_in && (hdr->flags & HMNG) ? "Original-" : "", name);
766
767 for (grp = 0, mp = tmpaddrs.m_next; mp; mp = np)
768 if (mp->m_nohost) { /* also used to test (hdr->flags & HTRY) */
769 /* The address doesn't include a host, so it might be an alias. */
770 pp = akvalue (mp->m_mbox); /* do mh alias substitution */
771 qp = akvisible () ? mp->m_mbox : "";
772 np = mp;
773 if (np->m_gname)
774 putgrp (namep, np->m_gname, out, hdr->flags);
775 while ((cp = getname (pp))) {
776 if (!(mp = getm (cp, NULL, 0, AD_HOST, NULL))) {
777 badadr++;
778 continue;
779 }
780
781 if (draft_from_masquerading && ((msgstate == RESENT)
782 ? (hdr->set & MRFM)
783 : (hdr->set & MFRM)))
784 /* The user manually specified a [Resent-]From: address in
785 their draft and the "masquerade:" line in mts.conf
786 doesn't contain "draft_from", so we'll set things up to
787 use the actual email address embedded in the draft
788 [Resent-]From: (after alias substitution, and without the
789 GECOS full name or angle brackets) as the envelope
790 From:. */
791 strncpy(from, auxformat(mp, 0), sizeof(from) - 1);
792
793 if (hdr->flags & HBCC)
794 mp->m_bcc++;
795 if (np->m_ingrp)
796 mp->m_ingrp = np->m_ingrp;
797 else
798 if (mp->m_gname)
799 putgrp (namep, mp->m_gname, out, hdr->flags);
800 if (mp->m_ingrp)
801 grp++;
802 if (putadr (namep, qp, mp, out, hdr->flags))
803 msgflags |= (hdr->set & (MVIS | MINV));
804 else
805 mnfree (mp);
806 }
807 mp = np;
808 np = np->m_next;
809 mnfree (mp);
810 }
811 else {
812 /* Address includes a host, so no alias substitution is needed. */
813 if (draft_from_masquerading && ((msgstate == RESENT)
814 ? (hdr->set & MRFM)
815 : (hdr->set & MFRM)))
816 /* The user manually specified a [Resent-]From: address in
817 their draft and the "masquerade:" line in mts.conf
818 doesn't contain "draft_from", so we'll set things up to
819 use the actual email address embedded in the draft
820 [Resent-]From: (after alias substitution, and without the
821 GECOS full name or angle brackets) as the envelope
822 From:. */
823 strncpy(from, auxformat(mp, 0), sizeof(from) - 1);
824
825 if (hdr->flags & HBCC)
826 mp->m_bcc++;
827 if (mp->m_gname)
828 putgrp (namep, mp->m_gname, out, hdr->flags);
829 if (mp->m_ingrp)
830 grp++;
831 keep = putadr (namep, "", mp, out, hdr->flags);
832 np = mp->m_next;
833 if (keep) {
834 mp->m_next = NULL;
835 msgflags |= (hdr->set & (MVIS | MINV));
836 }
837 else
838 mnfree (mp);
839 }
840
841 if (grp > 0 && (hdr->flags & HNGR)) {
842 advise (NULL, "%s: field does not allow groups", name);
843 badmsg++;
844 }
845 if (linepos) {
846 if (fill_in && grp > 0)
847 putc (';', out);
848 putc ('\n', out);
849 }
850 }
851
852
853 static void
854 start_headers (void)
855 {
856 unsigned char *cp;
857 char myhost[BUFSIZ], sigbuf[BUFSIZ];
858 struct mailname *mp;
859
860 myuid = getuid ();
861 mygid = getgid ();
862 time (&tclock);
863
864 strncpy (from, adrsprintf (NULL, NULL), sizeof(from));
865 strncpy (myhost, LocalName (), sizeof(myhost));
866
867 for (cp = myhost; *cp; cp++)
868 *cp = uptolow (*cp);
869
870 if ((cp = getfullname ()) && *cp) {
871 strncpy (sigbuf, cp, sizeof(sigbuf));
872 snprintf (signature, sizeof(signature), "%s <%s>",
873 sigbuf, adrsprintf (NULL, NULL));
874 if ((cp = getname (signature)) == NULL)
875 adios (NULL, "getname () failed -- you lose extraordinarily big");
876 if ((mp = getm (cp, NULL, 0, AD_HOST, NULL)) == NULL)
877 adios (NULL, "bad signature '%s'", sigbuf);
878 mnfree (mp);
879 while (getname (""))
880 continue;
881 } else {
882 strncpy (signature, adrsprintf (NULL, NULL), sizeof(signature));
883 }
884 }
885
886
887 /*
888 * Now that we've outputted the header fields in the draft
889 * message, we will now output any remaining header fields
890 * that we need to add/create.
891 */
892
893 static void
894 finish_headers (FILE *out)
895 {
896 switch (msgstate) {
897 case NORMAL:
898 if (whomsw && !fill_up)
899 break;
900
901 fprintf (out, "Date: %s\n", dtime (&tclock, 0));
902 if (msgid)
903 fprintf (out, "Message-ID: <%d.%ld@%s>\n",
904 (int) getpid (), (long) tclock, LocalName ());
905 if (msgflags & MFRM) {
906 /* There was already a From: in the draft. Don't add one. */
907 if (!draft_from_masquerading)
908 /* mts.conf didn't contain "masquerade:[...]draft_from[...]"
909 so we'll reveal the user's actual account@thismachine
910 address in a Sender: header (and use it as the envelope
911 From: later). */
912 fprintf (out, "Sender: %s\n", from);
913 }
914 else
915 /* Construct a From: header. */
916 fprintf (out, "From: %s\n", signature);
917 if (whomsw)
918 break;
919
920 if (!(msgflags & MVIS))
921 fprintf (out, "Bcc: Blind Distribution List: ;\n");
922 break;
923
924 case RESENT:
925 if (!(msgflags & MDAT)) {
926 advise (NULL, "message has no Date: header");
927 badmsg++;
928 }
929 if (!(msgflags & MFRM)) {
930 advise (NULL, "message has no From: header");
931 badmsg++;
932 }
933 if (whomsw && !fill_up)
934 break;
935
936 fprintf (out, "Resent-Date: %s\n", dtime (&tclock, 0));
937 if (msgid)
938 fprintf (out, "Resent-Message-ID: <%d.%ld@%s>\n",
939 (int) getpid (), (long) tclock, LocalName ());
940 if (msgflags & MRFM) {
941 /* There was already a Resent-From: in draft. Don't add one. */
942 if (!draft_from_masquerading)
943 /* mts.conf didn't contain "masquerade:[...]draft_from[...]"
944 so we'll reveal the user's actual account@thismachine
945 address in a Sender: header (and use it as the envelope
946 From: later). */
947 fprintf (out, "Resent-Sender: %s\n", from);
948 }
949 else
950 /* Construct a Resent-From: header. */
951 fprintf (out, "Resent-From: %s\n", signature);
952 if (whomsw)
953 break;
954 if (!(msgflags & MVIS))
955 fprintf (out, "Resent-Bcc: Blind Re-Distribution List: ;\n");
956 break;
957 }
958
959 if (badmsg)
960 adios (NULL, "re-format message and try again");
961 if (!recipients)
962 adios (NULL, "no addressees");
963 }
964
965
966 static int
967 get_header (char *header, struct headers *table)
968 {
969 struct headers *h;
970
971 for (h = table; h->value; h++)
972 if (!mh_strcasecmp (header, h->value))
973 return (h - table);
974
975 return NOTOK;
976 }
977
978
979 static int
980 putadr (char *name, char *aka, struct mailname *mp, FILE *out, unsigned int flags)
981 {
982 int len;
983 char *cp;
984 char buffer[BUFSIZ];
985
986 if (mp->m_mbox == NULL || ((flags & HTRY) && !insert (mp)))
987 return 0;
988 if ((!fill_in && (flags & (HBCC | HDCC))) || mp->m_ingrp)
989 return 1;
990
991 if (!nameoutput) {
992 fprintf (out, "%s: ", name);
993 linepos += (nameoutput = strlen (name) + 2);
994 }
995
996 if (*aka && mp->m_type != UUCPHOST && !mp->m_pers)
997 mp->m_pers = getcpy (aka);
998 if (format) {
999 if (mp->m_gname && !fill_in) {
1000 snprintf (buffer, sizeof(buffer), "%s;", mp->m_gname);
1001 cp = buffer;
1002 } else {
1003 cp = adrformat (mp);
1004 }
1005 } else {
1006 cp = mp->m_text;
1007 }
1008 len = strlen (cp);
1009
1010 if (linepos != nameoutput) {
1011 if (len + linepos + 2 > outputlinelen)
1012 fprintf (out, ",\n%*s", linepos = nameoutput, "");
1013 else {
1014 fputs (", ", out);
1015 linepos += 2;
1016 }
1017 }
1018
1019 fputs (cp, out);
1020 linepos += len;
1021
1022 return (flags & HTRY);
1023 }
1024
1025
1026 static void
1027 putgrp (char *name, char *group, FILE *out, unsigned int flags)
1028 {
1029 int len;
1030 char *cp;
1031
1032 if (!fill_in && (flags & HBCC))
1033 return;
1034
1035 if (!nameoutput) {
1036 fprintf (out, "%s: ", name);
1037 linepos += (nameoutput = strlen (name) + 2);
1038 if (fill_in)
1039 linepos -= strlen (group);
1040 }
1041
1042 cp = fill_in ? group : concat (group, ";", NULL);
1043 len = strlen (cp);
1044
1045 if (linepos > nameoutput) {
1046 if (len + linepos + 2 > outputlinelen) {
1047 fprintf (out, ",\n%*s", nameoutput, "");
1048 linepos = nameoutput;
1049 }
1050 else {
1051 fputs (", ", out);
1052 linepos += 2;
1053 }
1054 }
1055
1056 fputs (cp, out);
1057 linepos += len;
1058 }
1059
1060
1061 static int
1062 insert (struct mailname *np)
1063 {
1064 struct mailname *mp;
1065
1066 if (np->m_mbox == NULL)
1067 return 0;
1068
1069 for (mp = np->m_type == LOCALHOST ? &localaddrs
1070 : np->m_type == UUCPHOST ? &uuaddrs
1071 : &netaddrs;
1072 mp->m_next;
1073 mp = mp->m_next)
1074 if (!mh_strcasecmp (np->m_host, mp->m_next->m_host)
1075 && !mh_strcasecmp (np->m_mbox, mp->m_next->m_mbox)
1076 && np->m_bcc == mp->m_next->m_bcc)
1077 return 0;
1078
1079 mp->m_next = np;
1080 recipients++;
1081 return 1;
1082 }
1083
1084
1085 static void
1086 pl (void)
1087 {
1088 int i;
1089 struct mailname *mp;
1090
1091 printf ("-------\n\t-- Addresses --\nlocal:\t");
1092 for (mp = localaddrs.m_next; mp; mp = mp->m_next)
1093 printf ("%s%s%s", mp->m_mbox,
1094 mp->m_bcc ? "[BCC]" : "",
1095 mp->m_next ? ",\n\t" : "");
1096
1097 printf ("\nnet:\t");
1098 for (mp = netaddrs.m_next; mp; mp = mp->m_next)
1099 printf ("%s%s@%s%s%s", mp->m_path ? mp->m_path : "",
1100 mp->m_mbox, mp->m_host,
1101 mp->m_bcc ? "[BCC]" : "",
1102 mp->m_next ? ",\n\t" : "");
1103
1104 printf ("\nuucp:\t");
1105 for (mp = uuaddrs.m_next; mp; mp = mp->m_next)
1106 printf ("%s!%s%s%s", mp->m_host, mp->m_mbox,
1107 mp->m_bcc ? "[BCC]" : "",
1108 mp->m_next ? ",\n\t" : "");
1109
1110 printf ("\n\t-- Folder Copies --\nfcc:\t");
1111 for (i = 0; i < fccind; i++)
1112 printf ("%s%s", fccfold[i], i + 1 < fccind ? ",\n\t" : "");
1113 printf ("\n");
1114 }
1115
1116
1117 static void
1118 anno (void)
1119 {
1120 struct mailname *mp;
1121
1122 for (mp = localaddrs.m_next; mp; mp = mp->m_next)
1123 if (annoaux (mp) == NOTOK)
1124 goto oops;
1125
1126 for (mp = netaddrs.m_next; mp; mp = mp->m_next)
1127 if (annoaux (mp) == NOTOK)
1128 goto oops;
1129
1130 for (mp = uuaddrs.m_next; mp; mp = mp->m_next)
1131 if (annoaux (mp) == NOTOK)
1132 break;
1133
1134 oops: ;
1135 close (pfd);
1136 pfd = NOTOK;
1137 }
1138
1139
1140 static int
1141 annoaux (struct mailname *mp)
1142 {
1143 int i;
1144 char buffer[BUFSIZ];
1145
1146 snprintf (buffer, sizeof(buffer), "%s\n", adrformat (mp));
1147 i = strlen (buffer);
1148
1149 return (write (pfd, buffer, i) == i ? OK : NOTOK);
1150 }
1151
1152
1153 static void
1154 insert_fcc (struct headers *hdr, unsigned char *pp)
1155 {
1156 unsigned char *cp;
1157
1158 for (cp = pp; isspace (*cp); cp++)
1159 continue;
1160 for (pp += strlen (pp) - 1; pp > cp && isspace (*pp); pp--)
1161 continue;
1162 if (pp >= cp)
1163 *++pp = 0;
1164 if (*cp == 0)
1165 return;
1166
1167 if (fccind >= FCCS)
1168 adios (NULL, "too many %ss", hdr->value);
1169 fccfold[fccind++] = getcpy (cp);
1170 }
1171
1172 /*
1173 * BCC GENERATION
1174 */
1175
1176 static void
1177 make_bcc_file (int dashstuff)
1178 {
1179 int fd, i;
1180 pid_t child_id;
1181 char *vec[6];
1182 FILE *out;
1183 char *tfile = NULL;
1184
1185 tfile = m_mktemp2(NULL, "bccs", NULL, &out);
1186 if (tfile == NULL) adios("bcc", "unable to create temporary file");
1187 chmod (bccfil, 0600);
1188 strncpy (bccfil, tfile, sizeof(bccfil));
1189
1190 fprintf (out, "Date: %s\n", dtime (&tclock, 0));
1191 if (msgid)
1192 fprintf (out, "Message-ID: <%d.%ld@%s>\n",
1193 (int) getpid (), (long) tclock, LocalName ());
1194 if (msgflags & MFRM) {
1195 /* There was already a From: in the draft. Don't add one. */
1196 if (!draft_from_masquerading)
1197 /* mts.conf didn't contain "masquerade:[...]draft_from[...]"
1198 so we'll reveal the user's actual account@thismachine
1199 address in a Sender: header (and use it as the envelope
1200 From: later). */
1201 fprintf (out, "Sender: %s\n", from);
1202 }
1203 else
1204 /* Construct a From: header. */
1205 fprintf (out, "From: %s\n", signature);
1206 if (subject)
1207 fprintf (out, "Subject: %s", subject);
1208 fprintf (out, "BCC:\n");
1209
1210 /*
1211 * Use MIME encapsulation for Bcc messages
1212 */
1213 if (mime) {
1214 char *cp;
1215
1216 /*
1217 * Check if any lines in the message clash with the
1218 * prefix for the MIME multipart separator. If there
1219 * is a clash, increment one of the letters in the
1220 * prefix and check again.
1221 */
1222 if ((cp = strchr(prefix, 'a')) == NULL)
1223 adios (NULL, "lost prefix start");
1224 while (find_prefix () == NOTOK) {
1225 if (*cp < 'z')
1226 (*cp)++;
1227 else
1228 if (*++cp == 0)
1229 adios (NULL, "can't find a unique delimiter string");
1230 else
1231 (*cp)++;
1232 }
1233
1234 fprintf (out, "%s: %s\n%s: multipart/digest; boundary=\"",
1235 VRSN_FIELD, VRSN_VALUE, TYPE_FIELD);
1236 fprintf (out, "%s\"\n\n--%s\n\n", prefix, prefix);
1237 } else {
1238 fprintf (out, "\n------- Blind-Carbon-Copy\n\n");
1239 }
1240
1241 fflush (out);
1242
1243 /*
1244 * Do mhl filtering of Bcc messages instead
1245 * of MIME encapsulation.
1246 */
1247 if (filter != NULL) {
1248 vec[0] = r1bindex (mhlproc, '/');
1249
1250 for (i = 0; (child_id = fork()) == NOTOK && i < 5; i++)
1251 sleep (5);
1252 switch (child_id) {
1253 case NOTOK:
1254 adios ("fork", "unable to");
1255
1256 case OK:
1257 dup2 (fileno (out), 1);
1258
1259 i = 1;
1260 vec[i++] = "-forward";
1261 vec[i++] = "-form";
1262 vec[i++] = filter;
1263 vec[i++] = tmpfil;
1264
1265 /* was the flag -[no]dashstuffing specified? */
1266 if (dashstuff > 0)
1267 vec[i++] = "-dashstuffing";
1268 else if (dashstuff < 0)
1269 vec[i++] = "-nodashstuffing";
1270 vec[i] = NULL;
1271
1272 execvp (mhlproc, vec);
1273 fprintf (stderr, "unable to exec ");
1274 perror (mhlproc);
1275 _exit (-1);
1276
1277 default:
1278 pidXwait (child_id, mhlproc);
1279 break;
1280 }
1281 } else {
1282 if ((fd = open (tmpfil, O_RDONLY)) == NOTOK)
1283 adios (tmpfil, "unable to re-open");
1284
1285 /*
1286 * If using MIME encapsulation, or if the -nodashstuffing
1287 * flag was given, then just copy message. Else do
1288 * RFC934 quoting (dashstuffing).
1289 */
1290 if (mime || dashstuff < 0)
1291 cpydata (fd, fileno (out), tmpfil, bccfil);
1292 else
1293 cpydgst (fd, fileno (out), tmpfil, bccfil);
1294 close (fd);
1295 }
1296
1297 fseek (out, 0L, SEEK_END);
1298 if (mime)
1299 fprintf (out, "\n--%s--\n", prefix);
1300 else
1301 fprintf (out, "\n------- End of Blind-Carbon-Copy\n");
1302 fclose (out);
1303 }
1304
1305
1306 /*
1307 * Scan message to check if any lines clash with
1308 * the prefix of the MIME multipart separator.
1309 */
1310
1311 static int
1312 find_prefix (void)
1313 {
1314 int len, result;
1315 unsigned char buffer[BUFSIZ];
1316 FILE *in;
1317
1318 if ((in = fopen (tmpfil, "r")) == NULL)
1319 adios (tmpfil, "unable to re-open");
1320
1321 len = strlen (prefix);
1322
1323 result = OK;
1324 while (fgets (buffer, sizeof(buffer) - 1, in))
1325 if (buffer[0] == '-' && buffer[1] == '-') {
1326 unsigned char *cp;
1327
1328 for (cp = buffer + strlen (buffer) - 1; cp >= buffer; cp--)
1329 if (!isspace (*cp))
1330 break;
1331 *++cp = '\0';
1332 if (strcmp (buffer + 2, prefix) == 0) {
1333 result = NOTOK;
1334 break;
1335 }
1336 }
1337
1338 fclose (in);
1339 return result;
1340 }
1341
1342
1343 #define plural(x) (x == 1 ? "" : "s")
1344
1345 static void
1346 chkadr (void)
1347 {
1348 if (badadr && unkadr)
1349 die (NULL, "%d address%s unparsable, %d addressee%s undeliverable",
1350 badadr, plural (badadr), unkadr, plural (badadr));
1351 if (badadr)
1352 die (NULL, "%d address%s unparsable", badadr, plural (badadr));
1353 if (unkadr)
1354 die (NULL, "%d addressee%s undeliverable", unkadr, plural (unkadr));
1355 }
1356
1357
1358 static void
1359 do_addresses (int bccque, int talk)
1360 {
1361 int retval;
1362 int state;
1363 struct mailname *lp;
1364
1365 state = 0;
1366 for (lp = localaddrs.m_next; lp; lp = lp->m_next)
1367 if (lp->m_bcc ? bccque : !bccque) {
1368 if (talk && !state)
1369 printf (" -- Local Recipients --\n");
1370 do_an_address (lp, talk);
1371 state++;
1372 }
1373
1374 state = 0;
1375 for (lp = uuaddrs.m_next; lp; lp = lp->m_next)
1376 if (lp->m_bcc ? bccque : !bccque) {
1377 if (talk && !state)
1378 printf (" -- UUCP Recipients --\n");
1379 do_an_address (lp, talk);
1380 state++;
1381 }
1382
1383 state = 0;
1384 for (lp = netaddrs.m_next; lp; lp = lp->m_next)
1385 if (lp->m_bcc ? bccque : !bccque) {
1386 if (talk && !state)
1387 printf (" -- Network Recipients --\n");
1388 do_an_address (lp, talk);
1389 state++;
1390 }
1391
1392 chkadr ();
1393
1394 #ifdef SMTPMTS
1395 if (rp_isbad (retval = sm_waend ()))
1396 die (NULL, "problem ending addresses; %s", rp_string (retval));
1397 #endif /* SMTPMTS */
1398 }
1399
1400
1401 /*
1402 * MTS-SPECIFIC INTERACTION
1403 */
1404
1405
1406 /*
1407 * SENDMAIL/SMTP routines
1408 */
1409
1410 #ifdef SMTPMTS
1411
1412 static void
1413 post (char *file, int bccque, int talk)
1414 {
1415 int fd, onex;
1416 int retval;
1417
1418 onex = !(msgflags & MINV) || bccque;
1419 if (verbose) {
1420 if (msgflags & MINV)
1421 printf (" -- Posting for %s Recipients --\n",
1422 bccque ? "Blind" : "Sighted");
1423 else
1424 printf (" -- Posting for All Recipients --\n");
1425 }
1426
1427 sigon ();
1428
1429 if (rp_isbad (retval = sm_init (clientsw, serversw, port, watch, verbose,
1430 snoop, onex, queued, sasl, saslmech,
1431 user, tls))
1432 || rp_isbad (retval = sm_winit (smtpmode, from)))
1433 die (NULL, "problem initializing server; %s", rp_string (retval));
1434
1435 do_addresses (bccque, talk && verbose);
1436 if ((fd = open (file, O_RDONLY)) == NOTOK)
1437 die (file, "unable to re-open");
1438 do_text (file, fd);
1439 close (fd);
1440 fflush (stdout);
1441
1442 sm_end (onex ? OK : DONE);
1443 sigoff ();
1444
1445 if (verbose) {
1446 if (msgflags & MINV)
1447 printf (" -- %s Recipient Copies Posted --\n",
1448 bccque ? "Blind" : "Sighted");
1449 else
1450 printf (" -- Recipient Copies Posted --\n");
1451 }
1452
1453 fflush (stdout);
1454 }
1455
1456
1457 /* Address Verification */
1458
1459 static void
1460 verify_all_addresses (int talk)
1461 {
1462 int retval;
1463 struct mailname *lp;
1464
1465 sigon ();
1466
1467 if (!whomsw || checksw)
1468 if (rp_isbad (retval = sm_init (clientsw, serversw, port, watch,
1469 verbose, snoop, 0, queued, sasl,
1470 saslmech, user, tls))
1471 || rp_isbad (retval = sm_winit (smtpmode, from)))
1472 die (NULL, "problem initializing server; %s", rp_string (retval));
1473
1474 if (talk && !whomsw)
1475 printf (" -- Address Verification --\n");
1476 if (talk && localaddrs.m_next)
1477 printf (" -- Local Recipients --\n");
1478 for (lp = localaddrs.m_next; lp; lp = lp->m_next)
1479 do_an_address (lp, talk);
1480
1481 if (talk && uuaddrs.m_next)
1482 printf (" -- UUCP Recipients --\n");
1483 for (lp = uuaddrs.m_next; lp; lp = lp->m_next)
1484 do_an_address (lp, talk);
1485
1486 if (talk && netaddrs.m_next)
1487 printf (" -- Network Recipients --\n");
1488 for (lp = netaddrs.m_next; lp; lp = lp->m_next)
1489 do_an_address (lp, talk);
1490
1491 chkadr ();
1492 if (talk && !whomsw)
1493 printf (" -- Address Verification Successful --\n");
1494
1495 if (!whomsw || checksw)
1496 sm_end (DONE);
1497
1498 fflush (stdout);
1499 sigoff ();
1500 }
1501
1502
1503 static void
1504 do_an_address (struct mailname *lp, int talk)
1505 {
1506 int retval;
1507 char *mbox, *host;
1508 char addr[BUFSIZ];
1509
1510 switch (lp->m_type) {
1511 case LOCALHOST:
1512 mbox = lp->m_mbox;
1513 host = lp->m_host;
1514 strncpy (addr, mbox, sizeof(addr));
1515 break;
1516
1517 case UUCPHOST:
1518 mbox = auxformat (lp, 0);
1519 host = NULL;
1520 snprintf (addr, sizeof(addr), "%s!%s", lp->m_host, lp->m_mbox);
1521 break;
1522
1523 default: /* let SendMail decide if the host is bad */
1524 mbox = lp->m_mbox;
1525 host = lp->m_host;
1526 snprintf (addr, sizeof(addr), "%s at %s", mbox, host);
1527 break;
1528 }
1529
1530 if (talk)
1531 printf (" %s%s", addr, whomsw && lp->m_bcc ? "[BCC]" : "");
1532
1533 if (whomsw && !checksw) {
1534 putchar ('\n');
1535 return;
1536 }
1537 if (talk)
1538 printf (": ");
1539 fflush (stdout);
1540
1541 switch (retval = sm_wadr (mbox, host,
1542 lp->m_type != UUCPHOST ? lp->m_path : NULL)) {
1543 case RP_OK:
1544 if (talk)
1545 printf ("address ok\n");
1546 break;
1547
1548 case RP_NO:
1549 case RP_USER:
1550 if (!talk)
1551 fprintf (stderr, " %s: ", addr);
1552 fprintf (talk ? stdout : stderr, "loses; %s\n",
1553 rp_string (retval));
1554 unkadr++;
1555 break;
1556
1557 default:
1558 if (!talk)
1559 fprintf (stderr, " %s: ", addr);
1560 die (NULL, "unexpected response; %s", rp_string (retval));
1561 }
1562
1563 fflush (stdout);
1564 }
1565
1566
1567 static void
1568 do_text (char *file, int fd)
1569 {
1570 int retval, state;
1571 char buf[BUFSIZ];
1572
1573 lseek (fd, (off_t) 0, SEEK_SET);
1574
1575 while ((state = read (fd, buf, sizeof(buf))) > 0) {
1576 if (rp_isbad (retval = sm_wtxt (buf, state)))
1577 die (NULL, "problem writing text; %s\n", rp_string (retval));
1578 }
1579
1580 if (state == NOTOK)
1581 die (file, "problem reading from");
1582
1583 switch (retval = sm_wtend ()) {
1584 case RP_OK:
1585 break;
1586
1587 case RP_NO:
1588 case RP_NDEL:
1589 die (NULL, "posting failed; %s", rp_string (retval));
1590
1591 default:
1592 die (NULL, "unexpected response; %s", rp_string (retval));
1593 }
1594 }
1595
1596 #endif /* SMTPMTS */
1597
1598
1599 /*
1600 * SIGNAL HANDLING
1601 */
1602
1603 static RETSIGTYPE
1604 sigser (int i)
1605 {
1606 #ifndef RELIABLE_SIGNALS
1607 SIGNAL (i, SIG_IGN);
1608 #endif
1609
1610 unlink (tmpfil);
1611 if (msgflags & MINV)
1612 unlink (bccfil);
1613
1614 #ifdef SMTPMTS
1615 if (!whomsw || checksw)
1616 sm_end (NOTOK);
1617 #endif /* SMTPMTS */
1618
1619 done (1);
1620 }
1621
1622
1623 static void
1624 sigon (void)
1625 {
1626 if (debug)
1627 return;
1628
1629 hstat = SIGNAL2 (SIGHUP, sigser);
1630 istat = SIGNAL2 (SIGINT, sigser);
1631 qstat = SIGNAL2 (SIGQUIT, sigser);
1632 tstat = SIGNAL2 (SIGTERM, sigser);
1633 }
1634
1635
1636 static void
1637 sigoff (void)
1638 {
1639 if (debug)
1640 return;
1641
1642 SIGNAL (SIGHUP, hstat);
1643 SIGNAL (SIGINT, istat);
1644 SIGNAL (SIGQUIT, qstat);
1645 SIGNAL (SIGTERM, tstat);
1646 }
1647
1648 /*
1649 * FCC INTERACTION
1650 */
1651
1652 static void
1653 p_refile (char *file)
1654 {
1655 int i;
1656
1657 if (fccind == 0)
1658 return;
1659
1660 if (verbose)
1661 printf (" -- Filing Folder Copies --\n");
1662 for (i = 0; i < fccind; i++)
1663 fcc (file, fccfold[i]);
1664 if (verbose)
1665 printf (" -- Folder Copies Filed --\n");
1666 }
1667
1668
1669 /*
1670 * Call the `fileproc' to add the file to the folder.
1671 */
1672
1673 static void
1674 fcc (char *file, char *folder)
1675 {
1676 pid_t child_id;
1677 int i, status;
1678 char fold[BUFSIZ];
1679
1680 if (verbose)
1681 printf (" %sFcc %s: ", msgstate == RESENT ? "Resent-" : "", folder);
1682 fflush (stdout);
1683
1684 for (i = 0; (child_id = fork ()) == NOTOK && i < 5; i++)
1685 sleep (5);
1686
1687 switch (child_id) {
1688 case NOTOK:
1689 if (!verbose)
1690 fprintf (stderr, " %sFcc %s: ",
1691 msgstate == RESENT ? "Resent-" : "", folder);
1692 fprintf (verbose ? stdout : stderr, "no forks, so not ok\n");
1693 break;
1694
1695 case OK:
1696 /* see if we need to add `+' */
1697 snprintf (fold, sizeof(fold), "%s%s",
1698 *folder == '+' || *folder == '@' ? "" : "+", folder);
1699
1700 /* now exec the fileproc */
1701 execlp (fileproc, r1bindex (fileproc, '/'),
1702 "-link", "-file", file, fold, NULL);
1703 _exit (-1);
1704
1705 default:
1706 if ((status = pidwait (child_id, OK))) {
1707 if (!verbose)
1708 fprintf (stderr, " %sFcc %s: ",
1709 msgstate == RESENT ? "Resent-" : "", folder);
1710 pidstatus (status, verbose ? stdout : stderr, NULL);
1711 } else {
1712 if (verbose)
1713 printf ("folder ok\n");
1714 }
1715 }
1716
1717 fflush (stdout);
1718 }
1719
1720 /*
1721 * TERMINATION
1722 */
1723
1724 static void
1725 die (char *what, char *fmt, ...)
1726 {
1727 va_list ap;
1728
1729 unlink (tmpfil);
1730 if (msgflags & MINV)
1731 unlink (bccfil);
1732
1733 #ifdef SMTPMTS
1734 if (!whomsw || checksw)
1735 sm_end (NOTOK);
1736 #endif /* SMTPMTS */
1737
1738 va_start(ap, fmt);
1739 advertise (what, NULL, fmt, ap);
1740 va_end(ap);
1741 done (1);
1742 }
Fork of https://git.savannah.nongnu.org/cgit/nmh.git