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Added newline to "send" that's piped to dist. Old 2.6 Linux
[nmh] / uip / post.c
1
2 /*
3 * post.c -- enter messages into the mail transport system
4 *
5 * This code is Copyright (c) 2002, by the authors of nmh. See the
6 * COPYRIGHT file in the root directory of the nmh distribution for
7 * complete copyright information.
8 */
9
10 #include <h/mh.h>
11 #include <fcntl.h>
12 #include <h/signals.h>
13 #include <h/addrsbr.h>
14 #include <h/aliasbr.h>
15 #include <h/dropsbr.h>
16 #include <h/mime.h>
17 #include <h/utils.h>
18
19 #include <h/tws.h>
20 #include <h/mts.h>
21
22 #include <errno.h>
23 #include <signal.h>
24
25 #ifdef HAVE_SYS_TIME_H
26 # include <sys/time.h>
27 #endif
28 #include <time.h>
29
30 #include <mts/smtp/smtp.h>
31
32 #ifndef CYRUS_SASL
33 # define SASLminc(a) (a)
34 #else /* CYRUS_SASL */
35 # define SASLminc(a) 0
36 #endif /* CYRUS_SASL */
37
38 #ifndef TLS_SUPPORT
39 # define TLSminc(a) (a)
40 #else /* TLS_SUPPORT */
41 # define TLSminc(a) 0
42 #endif /* TLS_SUPPORT */
43
44 #define FCCS 10 /* max number of fccs allowed */
45
46 /* In the following array of structures, the numeric second field of the
47 structures (minchars) is apparently used like this:
48
49 -# : Switch can be abbreviated to # characters; switch hidden in -help.
50 0 : Switch can't be abbreviated; switch shown in -help.
51 # : Switch can be abbreviated to # characters; switch shown in -help. */
52
53 static struct swit switches[] = {
54 #define ALIASW 0
55 { "alias aliasfile", 0 },
56 #define CHKSW 1
57 { "check", -5 }, /* interface from whom */
58 #define NCHKSW 2
59 { "nocheck", -7 }, /* interface from whom */
60 #define DEBUGSW 3
61 { "debug", -5 },
62 #define DISTSW 4
63 { "dist", -4 }, /* interface from dist */
64 #define FILTSW 5
65 { "filter filterfile", 0 },
66 #define NFILTSW 6
67 { "nofilter", 0 },
68 #define FRMTSW 7
69 { "format", 0 },
70 #define NFRMTSW 8
71 { "noformat", 0 },
72 #define LIBSW 9
73 { "library directory", -7 }, /* interface from send, whom */
74 #define MIMESW 10
75 { "mime", 0 },
76 #define NMIMESW 11
77 { "nomime", 0 },
78 #define MSGDSW 12
79 { "msgid", 0 },
80 #define NMSGDSW 13
81 { "nomsgid", 0 },
82 #define VERBSW 14
83 { "verbose", 0 },
84 #define NVERBSW 15
85 { "noverbose", 0 },
86 #define WATCSW 16
87 { "watch", 0 },
88 #define NWATCSW 17
89 { "nowatch", 0 },
90 #define WHOMSW 18
91 { "whom", -4 }, /* interface from whom */
92 #define WIDTHSW 19
93 { "width columns", 0 },
94 #define VERSIONSW 20
95 { "version", 0 },
96 #define HELPSW 21
97 { "help", 0 },
98 #define BITSTUFFSW 22
99 { "dashstuffing", -12 }, /* should we dashstuff BCC messages? */
100 #define NBITSTUFFSW 23
101 { "nodashstuffing", -14 },
102 #define ANNOSW 24
103 { "idanno number", -6 }, /* interface from send */
104 #define CLIESW 25
105 { "client host", -6 },
106 #define SERVSW 26
107 { "server host", 6 }, /* specify alternate SMTP server */
108 #define SNOOPSW 27
109 { "snoop", -5 }, /* snoop the SMTP transaction */
110 #define PARTSW 28
111 { "partno", -6 },
112 #define QUEUESW 29
113 { "queued", -6 },
114 #define SASLSW 30
115 { "sasl", SASLminc(-4) },
116 #define NOSASLSW 31
117 { "nosasl", SASLminc(-6) },
118 #define SASLMXSSFSW 32
119 { "saslmaxssf", SASLminc(-10) },
120 #define SASLMECHSW 33
121 { "saslmech", SASLminc(-5) },
122 #define USERSW 34
123 { "user", SASLminc(-4) },
124 #define PORTSW 35
125 { "port server port name/number", 4 },
126 #define TLSSW 36
127 { "tls", TLSminc(-3) },
128 #define NTLSSW 37
129 { "notls", TLSminc(-5) },
130 #define FILEPROCSW 38
131 { "fileproc", -4 },
132 #define MHLPROCSW 39
133 { "mhlproc", -3 },
134 #define MTSSW 40
135 { "mts smtp|sendmail/smtp|sendmail/pipe", 2 },
136 #define MESSAGEIDSW 41
137 { "messageid localname|random", 2 },
138 { NULL, 0 }
139 };
140
141
142 struct headers {
143 char *value;
144 unsigned int flags;
145 unsigned int set;
146 };
147
148 /*
149 * flags for headers->flags
150 */
151 #define HNOP 0x0000 /* just used to keep .set around */
152 #define HBAD 0x0001 /* bad header - don't let it through */
153 #define HADR 0x0002 /* header has an address field */
154 #define HSUB 0x0004 /* Subject: header */
155 #define HTRY 0x0008 /* try to send to addrs on header */
156 #define HBCC 0x0010 /* don't output this header, unless MTS_SENDMAIL_PIPE */
157 #define HMNG 0x0020 /* munge this header */
158 #define HNGR 0x0040 /* no groups allowed in this header */
159 #define HFCC 0x0080 /* FCC: type header */
160 #define HNIL 0x0100 /* okay for this header not to have addrs */
161 #define HIGN 0x0200 /* ignore this header */
162 #define HDCC 0x0400 /* another undocumented feature */
163 #define HONE 0x0800 /* Only (zero or) one address allowed */
164 #define HEFM 0x1000 /* Envelope-From: header */
165
166 /*
167 * flags for headers->set
168 */
169 #define MFRM 0x0001 /* we've seen a From: */
170 #define MDAT 0x0002 /* we've seen a Date: */
171 #define MRFM 0x0004 /* we've seen a Resent-From: */
172 #define MVIS 0x0008 /* we've seen sighted addrs */
173 #define MINV 0x0010 /* we've seen blind addrs */
174 #define MSND 0x0020 /* we've seen a Sender: */
175 #define MRSN 0x0040 /* We've seen a Resent-Sendr:*/
176 #define MEFM 0x0080 /* We've seen Envelope-From: */
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|HNGR|HONE, MSND },
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 { "Envelope-From", HADR|HONE|HEFM, MEFM },
194 { NULL, 0, 0 }
195 };
196
197 static struct headers RHeaders[] = {
198 { "Resent-Reply-To", HADR|HNGR, 0 },
199 { "Resent-From", HADR|HNGR, MRFM },
200 { "Resent-Sender", HADR|HNGR, MRSN },
201 { "Resent-Date", HBAD, 0 },
202 { "Resent-Subject", HSUB, 0 },
203 { "Resent-To", HADR|HTRY, MVIS },
204 { "Resent-cc", HADR|HTRY, MVIS },
205 { "Resent-Bcc", HADR|HTRY|HBCC, MINV },
206 { "Resent-Message-ID", HBAD, 0 },
207 { "Resent-Fcc", HFCC, 0 },
208 { "Reply-To", HADR, 0 },
209 { "From", HADR|HNGR, MFRM },
210 { "Sender", HADR|HNGR, MSND },
211 { "Date", HNOP, MDAT },
212 { "To", HADR|HNIL, 0 },
213 { "cc", HADR|HNIL, 0 },
214 { "Bcc", HADR|HTRY|HBCC|HNIL, 0 },
215 { "Fcc", HIGN, 0 },
216 { "Envelope-From", HADR|HONE|HEFM, MEFM },
217 { NULL, 0, 0 }
218 };
219
220 static short fccind = 0; /* index into fccfold[] */
221 static short outputlinelen = OUTPUTLINELEN;
222
223 static int pfd = NOTOK; /* fd to write annotation list to */
224 static uid_t myuid= -1; /* my user id */
225 static gid_t mygid= -1; /* my group id */
226 static int recipients = 0; /* how many people will get a copy */
227 static int unkadr = 0; /* how many of those were unknown */
228 static int badadr = 0; /* number of bad addrs */
229 static int badmsg = 0; /* message has bad semantics */
230 static int verbose = 0; /* spell it out */
231 static int format = 1; /* format addresses */
232 static int mime = 0; /* use MIME-style encapsulations for Bcc */
233 static int msgid = 0; /* add msgid */
234 static int debug = 0; /* debugging post */
235 static int watch = 0; /* watch the delivery process */
236 static int whomsw = 0; /* we are whom not post */
237 static int checksw = 0; /* whom -check */
238 static int linepos=0; /* putadr()'s position on the line */
239 static int nameoutput=0; /* putadr() has output header name */
240 static int sasl=0; /* Use SASL auth for SMTP */
241 static int saslssf=-1; /* Our maximum SSF for SASL */
242 static char *saslmech=NULL; /* Force use of particular SASL mech */
243 static char *user=NULL; /* Authenticate as this user */
244 static char *port="smtp"; /* Name of server port for SMTP */
245 static int tls=0; /* Use TLS for encryption */
246 static int fromcount=0; /* Count of addresses on From: header */
247 static int seensender=0; /* Have we seen a Sender: header? */
248
249 static unsigned msgflags = 0; /* what we've seen */
250
251 #define NORMAL 0
252 #define RESENT 1
253 static int msgstate = NORMAL;
254
255 static time_t tclock = 0; /* the time we started (more or less) */
256
257 static SIGNAL_HANDLER hstat, istat, qstat, tstat;
258
259 static char tmpfil[BUFSIZ];
260 static char bccfil[BUFSIZ];
261
262 static char from[BUFSIZ]; /* my network address */
263 static char sender[BUFSIZ]; /* my Sender: header */
264 static char efrom[BUFSIZ]; /* my Envelope-From: header */
265 static char fullfrom[BUFSIZ]; /* full contents of From header */
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; /* local addrs */
274 static struct mailname netaddrs; /* network addrs */
275 static struct mailname uuaddrs; /* uucp addrs */
276 static struct mailname tmpaddrs; /* temporary queue */
277
278 static int snoop = 0;
279 static char *clientsw = NULL;
280 static char *serversw = NULL;
281
282 extern struct smtp sm_reply;
283
284 static char prefix[] = "----- =_aaaaaaaaaa";
285
286 static char *partno = NULL;
287 static int queued = 0;
288
289 /*
290 * static prototypes
291 */
292 static void putfmt (char *, char *, FILE *);
293 static void start_headers (void);
294 static void finish_headers (FILE *);
295 static int get_header (char *, struct headers *);
296 static int putadr (char *, char *, struct mailname *, FILE *, unsigned int);
297 static void putgrp (char *, char *, FILE *, unsigned int);
298 static int insert (struct mailname *);
299 static void pl (void);
300 static void anno (void);
301 static int annoaux (struct mailname *);
302 static void insert_fcc (struct headers *, unsigned char *);
303 static void make_bcc_file (int);
304 static void verify_all_addresses (int, char *);
305 static void chkadr (void);
306 static void sigon (void);
307 static void sigoff (void);
308 static void p_refile (char *);
309 static void fcc (char *, char *);
310 static void die (char *, char *, ...);
311 static void post (char *, int, int, char *);
312 static void do_text (char *file, int fd);
313 static void do_an_address (struct mailname *, int);
314 static void do_addresses (int, int);
315 static int find_prefix (void);
316
317
318 int
319 main (int argc, char **argv)
320 {
321 int state, compnum, dashstuff = 0;
322 char *cp, *msg = NULL, **argp, **arguments, *envelope;
323 char buf[BUFSIZ], name[NAMESZ];
324 FILE *in, *out;
325
326 #ifdef LOCALE
327 setlocale(LC_ALL, "");
328 #endif
329 invo_name = r1bindex (argv[0], '/');
330
331 /* foil search of user profile/context */
332 if (context_foil (NULL) == -1)
333 done (1);
334
335 mts_init (invo_name);
336 arguments = getarguments (invo_name, argc, argv, 0);
337 argp = arguments;
338
339 while ((cp = *argp++)) {
340 if (*cp == '-') {
341 switch (smatch (++cp, switches)) {
342 case AMBIGSW:
343 ambigsw (cp, switches);
344 done (1);
345 case UNKWNSW:
346 adios (NULL, "-%s unknown", cp);
347
348 case HELPSW:
349 snprintf (buf, sizeof(buf), "%s [switches] file", invo_name);
350 print_help (buf, switches, 0);
351 done (0);
352 case VERSIONSW:
353 print_version(invo_name);
354 done (0);
355
356 case LIBSW:
357 if (!(cp = *argp++) || *cp == '-')
358 adios (NULL, "missing argument to %s", argp[-2]);
359 /* create a minimal context */
360 if (context_foil (cp) == -1)
361 done (1);
362 continue;
363
364 case ALIASW:
365 if (!(cp = *argp++) || *cp == '-')
366 adios (NULL, "missing argument to %s", argp[-2]);
367 if ((state = alias (cp)) != AK_OK)
368 adios (NULL, "aliasing error in %s - %s",
369 cp, akerror (state));
370 continue;
371
372 case CHKSW:
373 checksw++;
374 continue;
375 case NCHKSW:
376 checksw = 0;
377 continue;
378
379 case DEBUGSW:
380 debug++;
381 continue;
382
383 case DISTSW:
384 msgstate = RESENT;
385 continue;
386
387 case FILTSW:
388 if (!(filter = *argp++) || *filter == '-')
389 adios (NULL, "missing argument to %s", argp[-2]);
390 mime = 0;
391 continue;
392 case NFILTSW:
393 filter = NULL;
394 continue;
395
396 case FRMTSW:
397 format++;
398 continue;
399 case NFRMTSW:
400 format = 0;
401 continue;
402
403 case BITSTUFFSW:
404 dashstuff = 1;
405 continue;
406 case NBITSTUFFSW:
407 dashstuff = -1;
408 continue;
409
410 case MIMESW:
411 mime++;
412 filter = NULL;
413 continue;
414 case NMIMESW:
415 mime = 0;
416 continue;
417
418 case MSGDSW:
419 msgid++;
420 continue;
421 case NMSGDSW:
422 msgid = 0;
423 continue;
424
425 case VERBSW:
426 verbose++;
427 continue;
428 case NVERBSW:
429 verbose = 0;
430 continue;
431
432 case WATCSW:
433 watch++;
434 continue;
435 case NWATCSW:
436 watch = 0;
437 continue;
438
439 case WHOMSW:
440 whomsw++;
441 continue;
442
443 case WIDTHSW:
444 if (!(cp = *argp++) || *cp == '-')
445 adios (NULL, "missing argument to %s", argp[-2]);
446 if ((outputlinelen = atoi (cp)) < 10)
447 adios (NULL, "impossible width %d", outputlinelen);
448 continue;
449
450 case ANNOSW:
451 if (!(cp = *argp++) || *cp == '-')
452 adios (NULL, "missing argument to %s", argp[-2]);
453 if ((pfd = atoi (cp)) <= 2)
454 adios (NULL, "bad argument %s %s", argp[-2], cp);
455 continue;
456
457 case CLIESW:
458 if (!(clientsw = *argp++) || *clientsw == '-')
459 adios (NULL, "missing argument to %s", argp[-2]);
460 continue;
461 case SERVSW:
462 if (!(serversw = *argp++) || *serversw == '-')
463 adios (NULL, "missing argument to %s", argp[-2]);
464 continue;
465 case SNOOPSW:
466 snoop++;
467 continue;
468
469 case PARTSW:
470 if (!(partno = *argp++) || *partno == '-')
471 adios (NULL, "missing argument to %s", argp[-2]);
472 continue;
473
474 case QUEUESW:
475 queued++;
476 continue;
477
478 case SASLSW:
479 sasl++;
480 continue;
481
482 case NOSASLSW:
483 sasl = 0;
484 continue;
485
486 case SASLMXSSFSW:
487 if (!(cp = *argp++) || *cp == '-')
488 adios (NULL, "missing argument to %s", argp[-2]);
489 saslssf = atoi(cp);
490 continue;
491
492 case SASLMECHSW:
493 if (!(saslmech = *argp++) || *saslmech == '-')
494 adios (NULL, "missing argument to %s", argp[-2]);
495 continue;
496
497 case USERSW:
498 if (!(user = *argp++) || *user == '-')
499 adios (NULL, "missing argument to %s", argp[-2]);
500 continue;
501
502 case PORTSW:
503 if (!(port = *argp++) || *port == '-')
504 adios (NULL, "missing argument to %s", argp[-2]);
505 continue;
506
507 case TLSSW:
508 tls++;
509 continue;
510
511 case NTLSSW:
512 tls = 0;
513 continue;
514
515 case FILEPROCSW:
516 if (!(cp = *argp++) || *cp == '-')
517 adios (NULL, "missing argument to %s", argp[-2]);
518 fileproc = cp;
519 continue;
520
521 case MHLPROCSW:
522 if (!(cp = *argp++) || *cp == '-')
523 adios (NULL, "missing argument to %s", argp[-2]);
524 mhlproc = cp;
525 continue;
526
527 case MTSSW:
528 if (!(cp = *argp++) || *cp == '-')
529 adios (NULL, "missing argument to %s", argp[-2]);
530 save_mts_method (cp);
531 continue;
532
533 case MESSAGEIDSW:
534 if (!(cp = *argp++) || *cp == '-')
535 adios (NULL, "missing argument to %s", argp[-2]);
536 if (save_message_id_style (cp) != 0)
537 adios (NULL, "unsupported messageid \"%s\"", cp);
538 continue;
539 }
540 }
541 if (msg)
542 adios (NULL, "only one message at a time!");
543 else
544 msg = cp;
545 }
546
547 alias (AliasFile);
548
549 if (!msg)
550 adios (NULL, "usage: %s [switches] file", invo_name);
551
552 if (outputlinelen < 10)
553 adios (NULL, "impossible width %d", outputlinelen);
554
555 if ((in = fopen (msg, "r")) == NULL)
556 adios (msg, "unable to open");
557
558 start_headers ();
559 if (debug) {
560 verbose++;
561 discard (out = stdout); /* XXX: reference discard() to help loader */
562 } else {
563 if (whomsw) {
564 if ((out = fopen ("/dev/null", "w")) == NULL)
565 adios ("/dev/null", "unable to open");
566 } else {
567 char *cp = m_mktemp(m_maildir(invo_name), NULL, &out);
568 if (cp == NULL) {
569 cp = m_mktemp2(NULL, invo_name, NULL, &out);
570 if (cp == NULL) {
571 adios ("post", "unable to create temporary file");
572 }
573 }
574 strncpy(tmpfil, cp, sizeof(tmpfil));
575 chmod (tmpfil, 0600);
576 }
577 }
578
579 hdrtab = msgstate == NORMAL ? NHeaders : RHeaders;
580
581 for (compnum = 1, state = FLD;;) {
582 switch (state = m_getfld (state, name, buf, sizeof(buf), in)) {
583 case FLD:
584 case FLDEOF:
585 case FLDPLUS:
586 compnum++;
587 cp = add (buf, NULL);
588 while (state == FLDPLUS) {
589 state = m_getfld (state, name, buf, sizeof(buf), in);
590 cp = add (buf, cp);
591 }
592 putfmt (name, cp, out);
593 free (cp);
594 if (state != FLDEOF)
595 continue;
596 finish_headers (out);
597 break;
598
599 case BODY:
600 case BODYEOF:
601 finish_headers (out);
602 if (whomsw)
603 break;
604 fprintf (out, "\n%s", buf);
605 while (state == BODY) {
606 state = m_getfld (state, name, buf, sizeof(buf), in);
607 fputs (buf, out);
608 }
609 break;
610
611 case FILEEOF:
612 finish_headers (out);
613 break;
614
615 case LENERR:
616 case FMTERR:
617 adios (NULL, "message format error in component #%d", compnum);
618
619 default:
620 adios (NULL, "getfld() returned %d", state);
621 }
622 break;
623 }
624
625 if (pfd != NOTOK)
626 anno ();
627 fclose (in);
628
629 if (debug) {
630 pl ();
631 done (0);
632 } else {
633 fclose (out);
634 }
635
636 /*
637 * Here's how we decide which address to use as the envelope-from
638 * address for SMTP.
639 *
640 * - If we were given an Envelope-From header, use that.
641 * - If we were given a Sender: address, use that.
642 * - Otherwise, use the address on the From: line
643 */
644
645 if (msgflags & MEFM) {
646 envelope = efrom;
647 } else if (seensender) {
648 envelope = sender;
649 } else {
650 envelope = from;
651 }
652
653 /* If we are doing a "whom" check */
654 if (whomsw) {
655 /* This won't work with MTS_SENDMAIL_PIPE. */
656 verify_all_addresses (1, envelope);
657 done (0);
658 }
659
660 if (msgflags & MINV) {
661 make_bcc_file (dashstuff);
662 if (msgflags & MVIS) {
663 if (sm_mts != MTS_SENDMAIL_PIPE) {
664 /* It would be nice to have support to call
665 verify_all_addresses with MTS_SENDMAIL_PIPE, but
666 that might require running sendmail as root. Note
667 that spost didn't verify addresses. */
668 verify_all_addresses (verbose, envelope);
669 }
670 post (tmpfil, 0, verbose, envelope);
671 }
672 post (bccfil, 1, verbose, envelope);
673 unlink (bccfil);
674 } else {
675 post (tmpfil, 0, isatty (1), envelope);
676 }
677
678 p_refile (tmpfil);
679 unlink (tmpfil);
680
681 if (verbose)
682 printf (partno ? "Partial Message #%s Processed\n" : "Message Processed\n",
683 partno);
684 done (0);
685 return 1;
686 }
687
688
689 /*
690 * DRAFT GENERATION
691 */
692
693 static void
694 putfmt (char *name, char *str, FILE *out)
695 {
696 int count, grp, i, keep;
697 char *cp, *pp, *qp;
698 char namep[BUFSIZ];
699 struct mailname *mp = NULL, *np = NULL;
700 struct headers *hdr;
701
702 while (*str == ' ' || *str == '\t')
703 str++;
704
705 if (msgstate == NORMAL && uprf (name, "resent")) {
706 advise (NULL, "illegal header line -- %s:", name);
707 badmsg++;
708 return;
709 }
710
711 if ((i = get_header (name, hdrtab)) == NOTOK) {
712 if (strncasecmp (name, "nmh-", 4)) {
713 fprintf (out, "%s: %s", name, str);
714 } else {
715 /* Filter out all Nmh-* headers, because Norm asked. They
716 should never have reached this point. Warn about any
717 that are non-empty. */
718 if (strcmp (str, "\n")) {
719 char *newline = strchr (str, '\n');
720 if (newline) *newline = '\0';
721 if (! whomsw) {
722 advise (NULL, "ignoring header line -- %s: %s", name, str);
723 }
724 }
725 }
726
727 return;
728 }
729
730 hdr = &hdrtab[i];
731 if (hdr->flags & HIGN) {
732 return;
733 }
734 if (hdr->flags & HBAD) {
735 advise (NULL, "illegal header line -- %s:", name);
736 badmsg++;
737 return;
738 }
739 msgflags |= (hdr->set & ~(MVIS | MINV));
740
741 if (hdr->flags & HSUB)
742 subject = subject ? add (str, add ("\t", subject)) : getcpy (str);
743 if (hdr->flags & HFCC) {
744 if ((cp = strrchr(str, '\n')))
745 *cp = 0;
746 for (cp = pp = str; (cp = strchr(pp, ',')); pp = cp) {
747 *cp++ = 0;
748 insert_fcc (hdr, pp);
749 }
750 insert_fcc (hdr, pp);
751 return;
752 }
753
754 if (!(hdr->flags & HADR)) {
755 fprintf (out, "%s: %s", name, str);
756 return;
757 }
758
759 tmpaddrs.m_next = NULL;
760 for (count = 0; (cp = getname (str)); count++)
761 if ((mp = getm (cp, NULL, 0, AD_HOST, NULL))) {
762 if (tmpaddrs.m_next)
763 np->m_next = mp;
764 else
765 tmpaddrs.m_next = mp;
766 np = mp;
767 }
768 else
769 if (hdr->flags & HTRY)
770 badadr++;
771 else
772 badmsg++;
773
774 if (count < 1) {
775 if (hdr->flags & HNIL)
776 fprintf (out, "%s: %s", name, str);
777 else {
778 /*
779 * Sender (or Resent-Sender) can have only one address
780 */
781 if ((msgstate == RESENT) ? (hdr->set & MRSN)
782 : (hdr->set & MSND)) {
783 advise (NULL, "%s: field requires one address", name);
784 badmsg++;
785 }
786 #ifdef notdef
787 advise (NULL, "%s: field requires at least one address", name);
788 badmsg++;
789 #endif /* notdef */
790 }
791 return;
792 }
793
794 if (count > 1 && (hdr->flags & HONE)) {
795 advise (NULL, "%s: field only permits one address", name);
796 badmsg++;
797 return;
798 }
799
800 nameoutput = linepos = 0;
801 snprintf (namep, sizeof(namep), "%s%s",
802 (hdr->flags & HMNG) ? "Original-" : "", name);
803
804 for (grp = 0, mp = tmpaddrs.m_next; mp; mp = np)
805 if (mp->m_nohost) { /* also used to test (hdr->flags & HTRY) */
806 /* The address doesn't include a host, so it might be an alias. */
807 pp = akvalue (mp->m_mbox); /* do mh alias substitution */
808 qp = akvisible () ? mp->m_mbox : "";
809 np = mp;
810 if (np->m_gname)
811 putgrp (namep, np->m_gname, out, hdr->flags);
812 while ((cp = getname (pp))) {
813 if (!(mp = getm (cp, NULL, 0, AD_HOST, NULL))) {
814 badadr++;
815 continue;
816 }
817
818 /*
819 * If it's a From: or Resent-From: header, save the address
820 * for later possible use (as the envelope address for SMTP)
821 */
822
823 if ((msgstate == RESENT) ? (hdr->set & MRFM)
824 : (hdr->set & MFRM)) {
825 strncpy(from, auxformat(mp, 0), sizeof(from) - 1);
826 from[sizeof(from) - 1] = '\0';
827 fromcount = count;
828 }
829
830 /*
831 * Also save the Sender: or Resent-Sender: header as well
832 */
833
834 if ((msgstate == RESENT) ? (hdr->set & MRSN)
835 : (hdr->set & MSND)) {
836 strncpy(sender, auxformat(mp, 0), sizeof(sender) - 1);
837 sender[sizeof(sender) - 1] = '\0';
838 seensender++;
839 }
840
841 /*
842 * ALSO ... save Envelope-From
843 */
844
845 if (hdr->set & MEFM) {
846 strncpy(efrom, auxformat(mp, 0), sizeof(efrom) - 1);
847 efrom[sizeof(efrom) - 1] = '\0';
848 }
849
850 if (hdr->flags & HBCC)
851 mp->m_bcc++;
852 if (np->m_ingrp)
853 mp->m_ingrp = np->m_ingrp;
854 else
855 if (mp->m_gname)
856 putgrp (namep, mp->m_gname, out, hdr->flags);
857 if (mp->m_ingrp)
858 grp++;
859 if (putadr (namep, qp, mp, out, hdr->flags))
860 msgflags |= (hdr->set & (MVIS | MINV));
861 else
862 mnfree (mp);
863 }
864 mp = np;
865 np = np->m_next;
866 mnfree (mp);
867 }
868 else {
869 /* Address includes a host, so no alias substitution is needed. */
870
871 /*
872 * If it's a From: or Resent-From header, save the address
873 * for later possible use (as the envelope address for SMTP)
874 */
875
876 if ((msgstate == RESENT) ? (hdr->set & MRFM)
877 : (hdr->set & MFRM)) {
878 strncpy(from, auxformat(mp, 0), sizeof(from) - 1);
879 fromcount = count;
880 }
881
882 /*
883 * Also save the Sender: header as well
884 */
885
886 if ((msgstate == RESENT) ? (hdr->set & MRSN)
887 : (hdr->set & MSND)) {
888 strncpy(sender, auxformat(mp, 0), sizeof(sender) - 1);
889 sender[sizeof(sender) - 1] = '\0';
890 seensender++;
891 }
892
893 /*
894 * ALSO ... save Envelope-From
895 */
896
897 if (hdr->set & MEFM) {
898 strncpy(efrom, auxformat(mp, 0), sizeof(efrom) - 1);
899 efrom[sizeof(efrom) - 1] = '\0';
900 }
901
902 if (hdr->flags & HBCC)
903 mp->m_bcc++;
904 if (mp->m_gname)
905 putgrp (namep, mp->m_gname, out, hdr->flags);
906 if (mp->m_ingrp)
907 grp++;
908 keep = putadr (namep, "", mp, out, hdr->flags);
909 np = mp->m_next;
910 if (keep) {
911 mp->m_next = NULL;
912 msgflags |= (hdr->set & (MVIS | MINV));
913 }
914 else
915 mnfree (mp);
916 }
917
918 /*
919 * If this is a From:/Resent-From: header, save the full thing for
920 * later in case we need it for use when constructing a Bcc draft message
921 */
922
923 if ((msgstate == RESENT) ? (hdr->set & MRFM) : (hdr->set & MFRM)) {
924 strncpy(fullfrom, str, sizeof(fullfrom));
925 fullfrom[sizeof(fullfrom) - 1] = 0;
926 /*
927 * Strip off any trailing newlines
928 */
929
930 while (strlen(fullfrom) > 0 && fullfrom[strlen(fullfrom) - 1] == '\n') {
931 fullfrom[strlen(fullfrom) - 1] = '\0';
932 }
933 }
934
935 if (grp > 0 && (hdr->flags & HNGR)) {
936 advise (NULL, "%s: field does not allow groups", name);
937 badmsg++;
938 }
939 if (linepos) {
940 putc ('\n', out);
941 }
942 }
943
944
945 static void
946 start_headers (void)
947 {
948 unsigned char *cp;
949 char sigbuf[BUFSIZ];
950 struct mailname *mp;
951
952 myuid = getuid ();
953 mygid = getgid ();
954 time (&tclock);
955
956 /*
957 * Probably not necessary, but just in case ...
958 */
959
960 from[0] = '\0';
961 efrom[0] = '\0';
962 sender[0] = '\0';
963 fullfrom[0] = '\0';
964
965 if ((cp = getfullname ()) && *cp) {
966 strncpy (sigbuf, cp, sizeof(sigbuf));
967 snprintf (signature, sizeof(signature), "%s <%s>",
968 sigbuf, getlocaladdr());
969 if ((cp = getname (signature)) == NULL)
970 adios (NULL, "getname () failed -- you lose extraordinarily big");
971 if ((mp = getm (cp, NULL, 0, AD_HOST, NULL)) == NULL)
972 adios (NULL, "bad signature '%s'", sigbuf);
973 mnfree (mp);
974 while (getname (""))
975 continue;
976 } else {
977 strncpy (signature, getlocaladdr(), sizeof(signature));
978 }
979 }
980
981
982 /*
983 * Now that we've outputted the header fields in the draft
984 * message, we will now output any remaining header fields
985 * that we need to add/create.
986 */
987
988 static void
989 finish_headers (FILE *out)
990 {
991 switch (msgstate) {
992 case NORMAL:
993 if (!(msgflags & MFRM)) {
994 /*
995 * A From: header is now required in the draft.
996 */
997 advise (NULL, "message has no From: header");
998 advise (NULL, "See default components files for examples");
999 badmsg++;
1000 break;
1001 }
1002
1003 if (fromcount > 1 && (seensender == 0 && !(msgflags & MEFM))) {
1004 advise (NULL, "A Sender: or Envelope-From: header is required "
1005 "with multiple\nFrom: addresses");
1006 badmsg++;
1007 break;
1008 }
1009
1010 if (whomsw)
1011 break;
1012
1013 fprintf (out, "Date: %s\n", dtime (&tclock, 0));
1014 if (msgid)
1015 fprintf (out, "Message-ID: %s\n", message_id (tclock, 0));
1016 /*
1017 * If we have multiple From: addresses, make sure we have an
1018 * Sender: header. If we don't have one, then generate one
1019 * from Envelope-From: (which in this case, cannot be blank)
1020 */
1021
1022 if (fromcount > 1 && seensender == 0) {
1023 if (efrom[0] == '\0') {
1024 advise (NULL, "Envelope-From cannot be blank when there "
1025 "is multiple From: addresses\nand no Sender: "
1026 "header");
1027 badmsg++;
1028 } else {
1029 fprintf (out, "Sender: %s\n", efrom);
1030 }
1031 }
1032
1033 if (!(msgflags & MVIS))
1034 fprintf (out, "Bcc: Blind Distribution List: ;\n");
1035 break;
1036
1037 case RESENT:
1038 if (!(msgflags & MDAT)) {
1039 advise (NULL, "message has no Date: header");
1040 badmsg++;
1041 }
1042 if (!(msgflags & MFRM)) {
1043 advise (NULL, "message has no From: header");
1044 badmsg++;
1045 }
1046 if (!(msgflags & MRFM)) {
1047 advise (NULL, "message has no Resent-From: header");
1048 advise (NULL, "See default components files for examples");
1049 badmsg++;
1050 break;
1051 }
1052 if (fromcount > 1 && (seensender == 0 && !(msgflags & MEFM))) {
1053 advise (NULL, "A Resent-Sender: or Envelope-From: header is "
1054 "required with multiple\nResent-From: addresses");
1055 badmsg++;
1056 break;
1057 }
1058
1059 if (whomsw)
1060 break;
1061
1062 fprintf (out, "Resent-Date: %s\n", dtime (&tclock, 0));
1063 if (msgid)
1064 fprintf (out, "Resent-Message-ID: %s\n",
1065 message_id (tclock, 0));
1066 /*
1067 * If we have multiple Resent-From: addresses, make sure we have an
1068 * Resent-Sender: header. If we don't have one, then generate one
1069 * from Envelope-From (which in this case, cannot be blank)
1070 */
1071
1072 if (fromcount > 1 && seensender == 0) {
1073 if (efrom[0] == '\0') {
1074 advise (NULL, "Envelope-From cannot be blank when there "
1075 "is multiple Resent-From: addresses and no "
1076 "Resent-Sender: header");
1077 badmsg++;
1078 } else {
1079 fprintf (out, "Resent-Sender: %s\n", efrom);
1080 }
1081 }
1082
1083 if (!(msgflags & MVIS))
1084 fprintf (out, "Resent-Bcc: Blind Re-Distribution List: ;\n");
1085 break;
1086 }
1087
1088 if (badmsg)
1089 adios (NULL, "re-format message and try again");
1090 if (!recipients)
1091 adios (NULL, "no addressees");
1092 }
1093
1094
1095 static int
1096 get_header (char *header, struct headers *table)
1097 {
1098 struct headers *h;
1099
1100 for (h = table; h->value; h++)
1101 if (!mh_strcasecmp (header, h->value))
1102 return (h - table);
1103
1104 return NOTOK;
1105 }
1106
1107
1108 static int
1109 putadr (char *name, char *aka, struct mailname *mp, FILE *out, unsigned int flags)
1110 {
1111 int len;
1112 char *cp;
1113 char buffer[BUFSIZ];
1114
1115 if (mp->m_mbox == NULL || ((flags & HTRY) && !insert (mp)))
1116 return 0;
1117 if (sm_mts != MTS_SENDMAIL_PIPE &&
1118 ((flags & (HBCC | HDCC | HEFM)) || mp->m_ingrp))
1119 return 1;
1120
1121 if (!nameoutput) {
1122 fprintf (out, "%s: ", name);
1123 linepos += (nameoutput = strlen (name) + 2);
1124 }
1125
1126 if (*aka && mp->m_type != UUCPHOST && !mp->m_pers)
1127 mp->m_pers = getcpy (aka);
1128 if (format) {
1129 if (mp->m_gname) {
1130 snprintf (buffer, sizeof(buffer), "%s;", mp->m_gname);
1131 cp = buffer;
1132 } else {
1133 cp = adrformat (mp);
1134 }
1135 } else {
1136 cp = mp->m_text;
1137 }
1138 len = strlen (cp);
1139
1140 if (linepos != nameoutput) {
1141 if (len + linepos + 2 > outputlinelen)
1142 fprintf (out, ",\n%*s", linepos = nameoutput, "");
1143 else {
1144 fputs (", ", out);
1145 linepos += 2;
1146 }
1147 }
1148
1149 fputs (cp, out);
1150 linepos += len;
1151
1152 return (flags & HTRY);
1153 }
1154
1155
1156 static void
1157 putgrp (char *name, char *group, FILE *out, unsigned int flags)
1158 {
1159 int len;
1160 char *cp;
1161
1162 if (sm_mts != MTS_SENDMAIL_PIPE && (flags & HBCC))
1163 return;
1164
1165 if (!nameoutput) {
1166 fprintf (out, "%s: ", name);
1167 linepos += (nameoutput = strlen (name) + 2);
1168 }
1169
1170 cp = concat (group, ";", NULL);
1171 len = strlen (cp);
1172
1173 if (linepos > nameoutput) {
1174 if (len + linepos + 2 > outputlinelen) {
1175 fprintf (out, ",\n%*s", nameoutput, "");
1176 linepos = nameoutput;
1177 }
1178 else {
1179 fputs (", ", out);
1180 linepos += 2;
1181 }
1182 }
1183
1184 fputs (cp, out);
1185 linepos += len;
1186 }
1187
1188
1189 static int
1190 insert (struct mailname *np)
1191 {
1192 struct mailname *mp;
1193
1194 if (np->m_mbox == NULL)
1195 return 0;
1196
1197 for (mp = np->m_type == LOCALHOST ? &localaddrs
1198 : np->m_type == UUCPHOST ? &uuaddrs
1199 : &netaddrs;
1200 mp->m_next;
1201 mp = mp->m_next)
1202 if (!mh_strcasecmp (np->m_host, mp->m_next->m_host)
1203 && !mh_strcasecmp (np->m_mbox, mp->m_next->m_mbox)
1204 && np->m_bcc == mp->m_next->m_bcc)
1205 return 0;
1206
1207 mp->m_next = np;
1208 recipients++;
1209 return 1;
1210 }
1211
1212
1213 static void
1214 pl (void)
1215 {
1216 int i;
1217 struct mailname *mp;
1218
1219 printf ("-------\n\t-- Addresses --\nlocal:\t");
1220 for (mp = localaddrs.m_next; mp; mp = mp->m_next)
1221 printf ("%s%s%s", mp->m_mbox,
1222 mp->m_bcc ? "[BCC]" : "",
1223 mp->m_next ? ",\n\t" : "");
1224
1225 printf ("\nnet:\t");
1226 for (mp = netaddrs.m_next; mp; mp = mp->m_next)
1227 printf ("%s%s@%s%s%s", mp->m_path ? mp->m_path : "",
1228 mp->m_mbox, mp->m_host,
1229 mp->m_bcc ? "[BCC]" : "",
1230 mp->m_next ? ",\n\t" : "");
1231
1232 printf ("\nuucp:\t");
1233 for (mp = uuaddrs.m_next; mp; mp = mp->m_next)
1234 printf ("%s!%s%s%s", mp->m_host, mp->m_mbox,
1235 mp->m_bcc ? "[BCC]" : "",
1236 mp->m_next ? ",\n\t" : "");
1237
1238 printf ("\n\t-- Folder Copies --\nfcc:\t");
1239 for (i = 0; i < fccind; i++)
1240 printf ("%s%s", fccfold[i], i + 1 < fccind ? ",\n\t" : "");
1241 printf ("\n");
1242 }
1243
1244
1245 static void
1246 anno (void)
1247 {
1248 struct mailname *mp;
1249
1250 for (mp = localaddrs.m_next; mp; mp = mp->m_next)
1251 if (annoaux (mp) == NOTOK)
1252 goto oops;
1253
1254 for (mp = netaddrs.m_next; mp; mp = mp->m_next)
1255 if (annoaux (mp) == NOTOK)
1256 goto oops;
1257
1258 for (mp = uuaddrs.m_next; mp; mp = mp->m_next)
1259 if (annoaux (mp) == NOTOK)
1260 break;
1261
1262 oops: ;
1263 close (pfd);
1264 pfd = NOTOK;
1265 }
1266
1267
1268 static int
1269 annoaux (struct mailname *mp)
1270 {
1271 int i;
1272 char buffer[BUFSIZ];
1273
1274 snprintf (buffer, sizeof(buffer), "%s\n", adrformat (mp));
1275 i = strlen (buffer);
1276
1277 return (write (pfd, buffer, i) == i ? OK : NOTOK);
1278 }
1279
1280
1281 static void
1282 insert_fcc (struct headers *hdr, unsigned char *pp)
1283 {
1284 unsigned char *cp;
1285
1286 for (cp = pp; isspace (*cp); cp++)
1287 continue;
1288 for (pp += strlen (pp) - 1; pp > cp && isspace (*pp); pp--)
1289 continue;
1290 if (pp >= cp)
1291 *++pp = 0;
1292 if (*cp == 0)
1293 return;
1294
1295 if (fccind >= FCCS)
1296 adios (NULL, "too many %ss", hdr->value);
1297 fccfold[fccind++] = getcpy (cp);
1298 }
1299
1300 /*
1301 * BCC GENERATION
1302 */
1303
1304 static void
1305 make_bcc_file (int dashstuff)
1306 {
1307 int fd, i;
1308 pid_t child_id;
1309 char *vec[6];
1310 FILE *out;
1311 char *tfile = NULL;
1312
1313 tfile = m_mktemp2(NULL, "bccs", NULL, &out);
1314 if (tfile == NULL) adios("bcc", "unable to create temporary file");
1315 strncpy (bccfil, tfile, sizeof(bccfil));
1316
1317 fprintf (out, "From: %s\n", fullfrom);
1318 fprintf (out, "Date: %s\n", dtime (&tclock, 0));
1319 if (msgid)
1320 fprintf (out, "Message-ID: %s\n", message_id (tclock, 0));
1321 if (subject)
1322 fprintf (out, "Subject: %s", subject);
1323 fprintf (out, "BCC:\n");
1324
1325 /*
1326 * Use MIME encapsulation for Bcc messages
1327 */
1328 if (mime) {
1329 char *cp;
1330
1331 /*
1332 * Check if any lines in the message clash with the
1333 * prefix for the MIME multipart separator. If there
1334 * is a clash, increment one of the letters in the
1335 * prefix and check again.
1336 */
1337 if ((cp = strchr(prefix, 'a')) == NULL)
1338 adios (NULL, "lost prefix start");
1339 while (find_prefix () == NOTOK) {
1340 if (*cp < 'z')
1341 (*cp)++;
1342 else
1343 if (*++cp == 0)
1344 adios (NULL, "can't find a unique delimiter string");
1345 else
1346 (*cp)++;
1347 }
1348
1349 fprintf (out, "%s: %s\n%s: multipart/digest; boundary=\"",
1350 VRSN_FIELD, VRSN_VALUE, TYPE_FIELD);
1351 fprintf (out, "%s\"\n\n--%s\n\n", prefix, prefix);
1352 } else {
1353 fprintf (out, "\n------- Blind-Carbon-Copy\n\n");
1354 }
1355
1356 fflush (out);
1357
1358 /*
1359 * Do mhl filtering of Bcc messages instead
1360 * of MIME encapsulation.
1361 */
1362 if (filter != NULL) {
1363 vec[0] = r1bindex (mhlproc, '/');
1364
1365 for (i = 0; (child_id = fork()) == NOTOK && i < 5; i++)
1366 sleep (5);
1367 switch (child_id) {
1368 case NOTOK:
1369 adios ("fork", "unable to");
1370
1371 case OK:
1372 dup2 (fileno (out), 1);
1373
1374 i = 1;
1375 vec[i++] = "-forward";
1376 vec[i++] = "-form";
1377 vec[i++] = filter;
1378 vec[i++] = tmpfil;
1379
1380 /* was the flag -[no]dashstuffing specified? */
1381 if (dashstuff > 0)
1382 vec[i++] = "-dashstuffing";
1383 else if (dashstuff < 0)
1384 vec[i++] = "-nodashstuffing";
1385 vec[i] = NULL;
1386
1387 execvp (mhlproc, vec);
1388 fprintf (stderr, "unable to exec ");
1389 perror (mhlproc);
1390 _exit (-1);
1391
1392 default:
1393 pidXwait (child_id, mhlproc);
1394 break;
1395 }
1396 } else {
1397 if ((fd = open (tmpfil, O_RDONLY)) == NOTOK)
1398 adios (tmpfil, "unable to re-open");
1399
1400 /*
1401 * If using MIME encapsulation, or if the -nodashstuffing
1402 * flag was given, then just copy message. Else do
1403 * RFC934 quoting (dashstuffing).
1404 */
1405 if (mime || dashstuff < 0)
1406 cpydata (fd, fileno (out), tmpfil, bccfil);
1407 else
1408 cpydgst (fd, fileno (out), tmpfil, bccfil);
1409 close (fd);
1410 }
1411
1412 fseek (out, 0L, SEEK_END);
1413 if (mime)
1414 fprintf (out, "\n--%s--\n", prefix);
1415 else
1416 fprintf (out, "\n------- End of Blind-Carbon-Copy\n");
1417 fclose (out);
1418 }
1419
1420
1421 /*
1422 * Scan message to check if any lines clash with
1423 * the prefix of the MIME multipart separator.
1424 */
1425
1426 static int
1427 find_prefix (void)
1428 {
1429 int result = OK;
1430 unsigned char buffer[BUFSIZ];
1431 FILE *in;
1432
1433 if ((in = fopen (tmpfil, "r")) == NULL)
1434 adios (tmpfil, "unable to re-open");
1435
1436 while (fgets (buffer, sizeof(buffer) - 1, in))
1437 if (buffer[0] == '-' && buffer[1] == '-') {
1438 unsigned char *cp;
1439
1440 for (cp = buffer + strlen (buffer) - 1; cp >= buffer; cp--)
1441 if (!isspace (*cp))
1442 break;
1443 *++cp = '\0';
1444 if (strcmp (buffer + 2, prefix) == 0) {
1445 result = NOTOK;
1446 break;
1447 }
1448 }
1449
1450 fclose (in);
1451 return result;
1452 }
1453
1454
1455 #define plural(x) (x == 1 ? "" : "s")
1456
1457 static void
1458 chkadr (void)
1459 {
1460 if (badadr && unkadr)
1461 die (NULL, "%d address%s unparsable, %d addressee%s undeliverable",
1462 badadr, plural (badadr), unkadr, plural (badadr));
1463 if (badadr)
1464 die (NULL, "%d address%s unparsable", badadr, plural (badadr));
1465 if (unkadr)
1466 die (NULL, "%d addressee%s undeliverable", unkadr, plural (unkadr));
1467 }
1468
1469
1470 static void
1471 do_addresses (int bccque, int talk)
1472 {
1473 int retval;
1474 int state;
1475 struct mailname *lp;
1476
1477 state = 0;
1478 for (lp = localaddrs.m_next; lp; lp = lp->m_next)
1479 if (lp->m_bcc ? bccque : !bccque) {
1480 if (talk && !state)
1481 printf (" -- Local Recipients --\n");
1482 do_an_address (lp, talk);
1483 state++;
1484 }
1485
1486 state = 0;
1487 for (lp = uuaddrs.m_next; lp; lp = lp->m_next)
1488 if (lp->m_bcc ? bccque : !bccque) {
1489 if (talk && !state)
1490 printf (" -- UUCP Recipients --\n");
1491 do_an_address (lp, talk);
1492 state++;
1493 }
1494
1495 state = 0;
1496 for (lp = netaddrs.m_next; lp; lp = lp->m_next)
1497 if (lp->m_bcc ? bccque : !bccque) {
1498 if (talk && !state)
1499 printf (" -- Network Recipients --\n");
1500 do_an_address (lp, talk);
1501 state++;
1502 }
1503
1504 chkadr ();
1505
1506 if (rp_isbad (retval = sm_waend ()))
1507 die (NULL, "problem ending addresses; %s", rp_string (retval));
1508 }
1509
1510
1511 /*
1512 * MTS-SPECIFIC INTERACTION
1513 */
1514
1515
1516 /*
1517 * SENDMAIL/SMTP routines
1518 */
1519
1520 static void
1521 post (char *file, int bccque, int talk, char *envelope)
1522 {
1523 int fd;
1524 int retval, i;
1525 pid_t child_id;
1526
1527 if (verbose) {
1528 if (msgflags & MINV)
1529 printf (" -- Posting for %s Recipients --\n",
1530 bccque ? "Blind" : "Sighted");
1531 else
1532 printf (" -- Posting for All Recipients --\n");
1533 }
1534
1535 sigon ();
1536
1537 if (sm_mts == MTS_SENDMAIL_PIPE) {
1538 char *sargv[16], **argp;
1539
1540 for (i = 0; (child_id = fork()) == NOTOK && i < 5; i++)
1541 sleep (5);
1542 switch (child_id) {
1543 case NOTOK:
1544 adios ("fork", "unable to");
1545
1546 case OK:
1547 if (freopen( file, "r", stdin) == NULL) {
1548 adios (file, "can't reopen for sendmail");
1549 }
1550
1551 argp = sargv;
1552 *argp++ = "sendmail";
1553 *argp++ = "-t"; /* read msg for recipients */
1554 *argp++ = "-i"; /* don't stop on "." */
1555 if (whomsw)
1556 *argp++ = "-bv";
1557 if (snoop)
1558 *argp++ = "-v";
1559 *argp = NULL;
1560
1561 execv (sendmail, sargv);
1562 adios (sendmail, "can't exec");
1563
1564 default:
1565 pidXwait (child_id, NULL);
1566 break;
1567 }
1568 } else {
1569 if (rp_isbad (retval = sm_init (clientsw, serversw, port, watch,
1570 verbose, snoop, queued, sasl,
1571 saslssf, saslmech, user, tls)) ||
1572 rp_isbad (retval = sm_winit (envelope)))
1573 die (NULL, "problem initializing server; %s", rp_string (retval));
1574
1575 do_addresses (bccque, talk && verbose);
1576 if ((fd = open (file, O_RDONLY)) == NOTOK)
1577 die (file, "unable to re-open");
1578 do_text (file, fd);
1579 close (fd);
1580 fflush (stdout);
1581
1582 sm_end (!(msgflags & MINV) || bccque ? OK : DONE);
1583 sigoff ();
1584
1585 if (verbose) {
1586 if (msgflags & MINV)
1587 printf (" -- %s Recipient Copies Posted --\n",
1588 bccque ? "Blind" : "Sighted");
1589 else
1590 printf (" -- Recipient Copies Posted --\n");
1591 }
1592
1593 fflush (stdout);
1594 }
1595 }
1596
1597
1598 /* Address Verification */
1599
1600 static void
1601 verify_all_addresses (int talk, char *envelope)
1602 {
1603 int retval;
1604 struct mailname *lp;
1605
1606 sigon ();
1607
1608 if (!whomsw || checksw)
1609 if (rp_isbad (retval = sm_init (clientsw, serversw, port, watch,
1610 verbose, snoop, queued, sasl,
1611 saslssf, saslmech, user, tls))
1612 || rp_isbad (retval = sm_winit (envelope)))
1613 die (NULL, "problem initializing server; %s", rp_string (retval));
1614
1615 if (talk && !whomsw)
1616 printf (" -- Address Verification --\n");
1617 if (talk && localaddrs.m_next)
1618 printf (" -- Local Recipients --\n");
1619 for (lp = localaddrs.m_next; lp; lp = lp->m_next)
1620 do_an_address (lp, talk);
1621
1622 if (talk && uuaddrs.m_next)
1623 printf (" -- UUCP Recipients --\n");
1624 for (lp = uuaddrs.m_next; lp; lp = lp->m_next)
1625 do_an_address (lp, talk);
1626
1627 if (talk && netaddrs.m_next)
1628 printf (" -- Network Recipients --\n");
1629 for (lp = netaddrs.m_next; lp; lp = lp->m_next)
1630 do_an_address (lp, talk);
1631
1632 chkadr ();
1633 if (talk && !whomsw)
1634 printf (" -- Address Verification Successful --\n");
1635
1636 if (!whomsw || checksw)
1637 sm_end (DONE);
1638
1639 fflush (stdout);
1640 sigoff ();
1641 }
1642
1643
1644 static void
1645 do_an_address (struct mailname *lp, int talk)
1646 {
1647 int retval;
1648 char *mbox, *host;
1649 char addr[BUFSIZ];
1650
1651 switch (lp->m_type) {
1652 case LOCALHOST:
1653 mbox = lp->m_mbox;
1654 host = lp->m_host;
1655 strncpy (addr, mbox, sizeof(addr));
1656 break;
1657
1658 case UUCPHOST:
1659 mbox = auxformat (lp, 0);
1660 host = NULL;
1661 snprintf (addr, sizeof(addr), "%s!%s", lp->m_host, lp->m_mbox);
1662 break;
1663
1664 default: /* let SendMail decide if the host is bad */
1665 mbox = lp->m_mbox;
1666 host = lp->m_host;
1667 snprintf (addr, sizeof(addr), "%s at %s", mbox, host);
1668 break;
1669 }
1670
1671 if (talk)
1672 printf (" %s%s", addr, whomsw && lp->m_bcc ? "[BCC]" : "");
1673
1674 if (whomsw && !checksw) {
1675 putchar ('\n');
1676 return;
1677 }
1678 if (talk)
1679 printf (": ");
1680 fflush (stdout);
1681
1682 switch (retval = sm_wadr (mbox, host,
1683 lp->m_type != UUCPHOST ? lp->m_path : NULL)) {
1684 case RP_OK:
1685 if (talk)
1686 printf ("address ok\n");
1687 break;
1688
1689 case RP_NO:
1690 case RP_USER:
1691 if (!talk)
1692 fprintf (stderr, " %s: ", addr);
1693 fprintf (talk ? stdout : stderr, "loses; %s\n",
1694 rp_string (retval));
1695 unkadr++;
1696 break;
1697
1698 default:
1699 if (!talk)
1700 fprintf (stderr, " %s: ", addr);
1701 die (NULL, "unexpected response; %s", rp_string (retval));
1702 }
1703
1704 fflush (stdout);
1705 }
1706
1707
1708 static void
1709 do_text (char *file, int fd)
1710 {
1711 int retval, state;
1712 char buf[BUFSIZ];
1713
1714 lseek (fd, (off_t) 0, SEEK_SET);
1715
1716 while ((state = read (fd, buf, sizeof(buf))) > 0) {
1717 if (rp_isbad (retval = sm_wtxt (buf, state)))
1718 die (NULL, "problem writing text; %s\n", rp_string (retval));
1719 }
1720
1721 if (state == NOTOK)
1722 die (file, "problem reading from");
1723
1724 switch (retval = sm_wtend ()) {
1725 case RP_OK:
1726 break;
1727
1728 case RP_NO:
1729 case RP_NDEL:
1730 die (NULL, "posting failed; %s", rp_string (retval));
1731
1732 default:
1733 die (NULL, "unexpected response; %s", rp_string (retval));
1734 }
1735 }
1736
1737
1738 /*
1739 * SIGNAL HANDLING
1740 */
1741
1742 static void
1743 sigser (int i)
1744 {
1745 NMH_UNUSED (i);
1746
1747 unlink (tmpfil);
1748 if (msgflags & MINV)
1749 unlink (bccfil);
1750
1751 if (!whomsw || checksw)
1752 sm_end (NOTOK);
1753
1754 done (1);
1755 }
1756
1757
1758 static void
1759 sigon (void)
1760 {
1761 if (debug)
1762 return;
1763
1764 hstat = SIGNAL2 (SIGHUP, sigser);
1765 istat = SIGNAL2 (SIGINT, sigser);
1766 qstat = SIGNAL2 (SIGQUIT, sigser);
1767 tstat = SIGNAL2 (SIGTERM, sigser);
1768 }
1769
1770
1771 static void
1772 sigoff (void)
1773 {
1774 if (debug)
1775 return;
1776
1777 SIGNAL (SIGHUP, hstat);
1778 SIGNAL (SIGINT, istat);
1779 SIGNAL (SIGQUIT, qstat);
1780 SIGNAL (SIGTERM, tstat);
1781 }
1782
1783 /*
1784 * FCC INTERACTION
1785 */
1786
1787 static void
1788 p_refile (char *file)
1789 {
1790 int i;
1791
1792 if (fccind == 0)
1793 return;
1794
1795 if (verbose)
1796 printf (" -- Filing Folder Copies --\n");
1797 for (i = 0; i < fccind; i++)
1798 fcc (file, fccfold[i]);
1799 if (verbose)
1800 printf (" -- Folder Copies Filed --\n");
1801 }
1802
1803
1804 /*
1805 * Call the `fileproc' to add the file to the folder.
1806 */
1807
1808 static void
1809 fcc (char *file, char *folder)
1810 {
1811 pid_t child_id;
1812 int i, status;
1813 char fold[BUFSIZ];
1814
1815 if (verbose)
1816 printf (" %sFcc %s: ", msgstate == RESENT ? "Resent-" : "", folder);
1817 fflush (stdout);
1818
1819 for (i = 0; (child_id = fork ()) == NOTOK && i < 5; i++)
1820 sleep (5);
1821
1822 switch (child_id) {
1823 case NOTOK:
1824 if (!verbose)
1825 fprintf (stderr, " %sFcc %s: ",
1826 msgstate == RESENT ? "Resent-" : "", folder);
1827 fprintf (verbose ? stdout : stderr, "no forks, so not ok\n");
1828 break;
1829
1830 case OK:
1831 /* see if we need to add `+' */
1832 snprintf (fold, sizeof(fold), "%s%s",
1833 *folder == '+' || *folder == '@' ? "" : "+", folder);
1834
1835 /* now exec the fileproc */
1836 execlp (fileproc, r1bindex (fileproc, '/'),
1837 "-link", "-file", file, fold, NULL);
1838 _exit (-1);
1839
1840 default:
1841 if ((status = pidwait (child_id, OK))) {
1842 if (!verbose)
1843 fprintf (stderr, " %sFcc %s: ",
1844 msgstate == RESENT ? "Resent-" : "", folder);
1845 pidstatus (status, verbose ? stdout : stderr, NULL);
1846 } else {
1847 if (verbose)
1848 printf ("folder ok\n");
1849 }
1850 }
1851
1852 fflush (stdout);
1853 }
1854
1855 /*
1856 * TERMINATION
1857 */
1858
1859 static void
1860 die (char *what, char *fmt, ...)
1861 {
1862 va_list ap;
1863
1864 unlink (tmpfil);
1865 if (msgflags & MINV)
1866 unlink (bccfil);
1867
1868 if (!whomsw || checksw)
1869 sm_end (NOTOK);
1870
1871 va_start(ap, fmt);
1872 advertise (what, NULL, fmt, ap);
1873 va_end(ap);
1874 done (1);
1875 }
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