1 /*************************************************
2 * Exim - an Internet mail transport agent *
3 *************************************************/
5 /* Copyright (c) University of Cambridge 1995 - 2016 */
6 /* See the file NOTICE for conditions of use and distribution. */
10 #include "autoreply.h"
14 /* Options specific to the autoreply transport. They must be in alphabetic
15 order (note that "_" comes before the lower case letters). Those starting
16 with "*" are not settable by the user but are used by the option-reading
17 software for alternative value types. Some options are publicly visible and so
18 are stored in the driver instance block. These are flagged with opt_public. */
20 optionlist autoreply_transport_options[] = {
21 { "bcc", opt_stringptr,
22 (void *)offsetof(autoreply_transport_options_block, bcc) },
23 { "cc", opt_stringptr,
24 (void *)offsetof(autoreply_transport_options_block, cc) },
25 { "file", opt_stringptr,
26 (void *)offsetof(autoreply_transport_options_block, file) },
27 { "file_expand", opt_bool,
28 (void *)offsetof(autoreply_transport_options_block, file_expand) },
29 { "file_optional", opt_bool,
30 (void *)offsetof(autoreply_transport_options_block, file_optional) },
31 { "from", opt_stringptr,
32 (void *)offsetof(autoreply_transport_options_block, from) },
33 { "headers", opt_stringptr,
34 (void *)offsetof(autoreply_transport_options_block, headers) },
35 { "log", opt_stringptr,
36 (void *)offsetof(autoreply_transport_options_block, logfile) },
38 (void *)offsetof(autoreply_transport_options_block, mode) },
39 { "never_mail", opt_stringptr,
40 (void *)offsetof(autoreply_transport_options_block, never_mail) },
41 { "once", opt_stringptr,
42 (void *)offsetof(autoreply_transport_options_block, oncelog) },
43 { "once_file_size", opt_int,
44 (void *)offsetof(autoreply_transport_options_block, once_file_size) },
45 { "once_repeat", opt_stringptr,
46 (void *)offsetof(autoreply_transport_options_block, once_repeat) },
47 { "reply_to", opt_stringptr,
48 (void *)offsetof(autoreply_transport_options_block, reply_to) },
49 { "return_message", opt_bool,
50 (void *)offsetof(autoreply_transport_options_block, return_message) },
51 { "subject", opt_stringptr,
52 (void *)offsetof(autoreply_transport_options_block, subject) },
53 { "text", opt_stringptr,
54 (void *)offsetof(autoreply_transport_options_block, text) },
55 { "to", opt_stringptr,
56 (void *)offsetof(autoreply_transport_options_block, to) },
59 /* Size of the options list. An extern variable has to be used so that its
60 address can appear in the tables drtables.c. */
62 int autoreply_transport_options_count =
63 sizeof(autoreply_transport_options)/sizeof(optionlist);
65 /* Default private options block for the autoreply transport. */
67 autoreply_transport_options_block autoreply_transport_option_defaults = {
79 NULL, /* once_repeat */
80 NULL, /* never_mail */
82 0, /* once_file_size */
83 FALSE, /* file_expand */
84 FALSE, /* file_optional */
85 FALSE /* return message */
90 /* Type of text for the checkexpand() function */
92 enum { cke_text, cke_hdr, cke_file };
96 /*************************************************
97 * Initialization entry point *
98 *************************************************/
100 /* Called for each instance, after its options have been read, to
101 enable consistency checks to be done, or anything else that needs
105 autoreply_transport_init(transport_instance *tblock)
108 autoreply_transport_options_block *ob =
109 (autoreply_transport_options_block *)(tblock->options_block);
112 /* If a fixed uid field is set, then a gid field must also be set. */
114 if (tblock->uid_set && !tblock->gid_set && tblock->expand_gid == NULL)
115 log_write(0, LOG_PANIC_DIE|LOG_CONFIG,
116 "user set without group for the %s transport", tblock->name);
122 /*************************************************
123 * Expand string and check *
124 *************************************************/
126 /* If the expansion fails, the error is set up in the address. Expanded
127 strings must be checked to ensure they contain only printing characters
128 and white space. If not, the function fails.
132 addr address that is being worked on
133 name transport name, for error text
134 type type, for checking content:
136 cke_hdr => header, allow \n + whitespace
137 cke_file => file name, no non-printers allowed
139 Returns: expanded string if expansion succeeds;
144 checkexpand(uschar *s, address_item *addr, uschar *name, int type)
147 uschar *ss = expand_string(s);
151 addr->transport_return = FAIL;
152 addr->message = string_sprintf("Expansion of \"%s\" failed in %s transport: "
153 "%s", s, name, expand_string_message);
157 if (type != cke_text) for (t = ss; *t != 0; t++)
161 if (mac_isprint(c)) continue;
162 if (type == cke_hdr && c == '\n' && (t[1] == ' ' || t[1] == '\t')) continue;
163 sp = string_printing(s);
164 addr->transport_return = FAIL;
165 addr->message = string_sprintf("Expansion of \"%s\" in %s transport "
166 "contains non-printing character %d", sp, name, c);
176 /*************************************************
177 * Check a header line for never_mail *
178 *************************************************/
180 /* This is called to check to, cc, and bcc for addresses in the never_mail
181 list. Any that are found are removed.
184 listptr points to the list of addresses
185 never_mail an address list, already expanded
191 check_never_mail(uschar **listptr, const uschar *never_mail)
193 uschar *s = *listptr;
197 uschar *error, *next;
198 uschar *e = parse_find_address_end(s, FALSE);
200 int start, end, domain, rc;
202 /* Temporarily terminate the string at the address end while extracting
203 the operative address within. */
206 next = parse_extract_address(s, &error, &start, &end, &domain, FALSE);
209 /* If there is some kind of syntax error, just give up on this header
212 if (next == NULL) break;
214 /* See if the address is on the never_mail list */
216 rc = match_address_list(next, /* address to check */
217 TRUE, /* start caseless */
218 FALSE, /* don't expand the list */
219 &never_mail, /* the list */
220 NULL, /* no caching */
221 -1, /* no expand setup */
222 0, /* separator from list */
223 NULL); /* no lookup value return */
225 if (rc == OK) /* Remove this address */
228 debug_printf("discarding recipient %s (matched never_mail)\n", next);
229 if (terminator == ',') e++;
230 memmove(s, e, Ustrlen(e) + 1);
232 else /* Skip over this address */
235 if (terminator == ',') s++;
239 /* Check to see if we removed the last address, leaving a terminating comma
240 that needs to be removed */
242 s = *listptr + Ustrlen(*listptr);
243 while (s > *listptr && (isspace(s[-1]) || s[-1] == ',')) s--;
246 /* Check to see if there any addresses left; if not, set NULL */
249 while (s != 0 && isspace(*s)) s++;
250 if (*s == 0) *listptr = NULL;
255 /*************************************************
257 *************************************************/
259 /* See local README for interface details. This transport always returns
260 FALSE, indicating that the top address has the status for all - though in fact
261 this transport can handle only one address at at time anyway. */
264 autoreply_transport_entry(
265 transport_instance *tblock, /* data for this instantiation */
266 address_item *addr) /* address we are working on */
272 EXIM_DB *dbm_file = NULL;
273 BOOL file_expand, return_message;
274 uschar *from, *reply_to, *to, *cc, *bcc, *subject, *headers, *text, *file;
275 uschar *logfile, *oncelog;
276 uschar *cache_buff = NULL;
277 uschar *cache_time = NULL;
278 uschar *message_id = NULL;
280 time_t now = time(NULL);
281 time_t once_repeat_sec = 0;
285 autoreply_transport_options_block *ob =
286 (autoreply_transport_options_block *)(tblock->options_block);
288 DEBUG(D_transport) debug_printf("%s transport entered\n", tblock->name);
290 /* Set up for the good case */
292 addr->transport_return = OK;
293 addr->basic_errno = 0;
295 /* If the address is pointing to a reply block, then take all the data
296 from that block. It has typically been set up by a mail filter processing
297 router. Otherwise, the data must be supplied by this transport, and
298 it has to be expanded here. */
300 if (addr->reply != NULL)
302 DEBUG(D_transport) debug_printf("taking data from address\n");
303 from = addr->reply->from;
304 reply_to = addr->reply->reply_to;
305 to = addr->reply->to;
306 cc = addr->reply->cc;
307 bcc = addr->reply->bcc;
308 subject = addr->reply->subject;
309 headers = addr->reply->headers;
310 text = addr->reply->text;
311 file = addr->reply->file;
312 logfile = addr->reply->logfile;
313 oncelog = addr->reply->oncelog;
314 once_repeat_sec = addr->reply->once_repeat;
315 file_expand = addr->reply->file_expand;
316 expand_forbid = addr->reply->expand_forbid;
317 return_message = addr->reply->return_message;
321 uschar *oncerepeat = ob->once_repeat;
323 DEBUG(D_transport) debug_printf("taking data from transport\n");
325 reply_to = ob->reply_to;
329 subject = ob->subject;
330 headers = ob->headers;
333 logfile = ob->logfile;
334 oncelog = ob->oncelog;
335 file_expand = ob->file_expand;
336 return_message = ob->return_message;
338 if ( from && !(from = checkexpand(from, addr, tblock->name, cke_hdr))
339 || reply_to && !(reply_to = checkexpand(reply_to, addr, tblock->name, cke_hdr))
340 || to && !(to = checkexpand(to, addr, tblock->name, cke_hdr))
341 || cc && !(cc = checkexpand(cc, addr, tblock->name, cke_hdr))
342 || bcc && !(bcc = checkexpand(bcc, addr, tblock->name, cke_hdr))
343 || subject && !(subject = checkexpand(subject, addr, tblock->name, cke_hdr))
344 || headers && !(headers = checkexpand(headers, addr, tblock->name, cke_text))
345 || text && !(text = checkexpand(text, addr, tblock->name, cke_text))
346 || file && !(file = checkexpand(file, addr, tblock->name, cke_file))
347 || logfile && !(logfile = checkexpand(logfile, addr, tblock->name, cke_file))
348 || oncelog && !(oncelog = checkexpand(oncelog, addr, tblock->name, cke_file))
349 || oncerepeat && !(oncerepeat = checkexpand(oncerepeat, addr, tblock->name, cke_file))
355 once_repeat_sec = readconf_readtime(oncerepeat, 0, FALSE);
356 if (once_repeat_sec < 0)
358 addr->transport_return = FAIL;
359 addr->message = string_sprintf("Invalid time value \"%s\" for "
360 "\"once_repeat\" in %s transport", oncerepeat, tblock->name);
366 /* If the never_mail option is set, we have to scan all the recipients and
367 remove those that match. */
371 const uschar *never_mail = expand_string(ob->never_mail);
375 addr->transport_return = FAIL;
376 addr->message = string_sprintf("Failed to expand \"%s\" for "
377 "\"never_mail\" in %s transport", ob->never_mail, tblock->name);
381 if (to) check_never_mail(&to, never_mail);
382 if (cc) check_never_mail(&cc, never_mail);
383 if (bcc) check_never_mail(&bcc, never_mail);
385 if (!to && !cc && !bcc)
388 debug_printf("*** all recipients removed by never_mail\n");
393 /* If the -N option is set, can't do any more. */
398 debug_printf("*** delivery by %s transport bypassed by -N option\n",
404 /* If the oncelog field is set, we send want to send only one message to the
405 given recipient(s). This works only on the "To" field. If there is no "To"
406 field, the message is always sent. If the To: field contains more than one
407 recipient, the effect might not be quite as envisaged. If once_file_size is
408 set, instead of a dbm file, we use a regular file containing a circular buffer
411 if (oncelog && *oncelog != 0 && to)
415 /* Handle fixed-size cache file. */
417 if (ob->once_file_size > 0)
421 cache_fd = Uopen(oncelog, O_CREAT|O_RDWR, ob->mode);
423 if (cache_fd < 0 || fstat(cache_fd, &statbuf) != 0)
425 addr->transport_return = DEFER;
426 addr->message = string_sprintf("Failed to %s \"once\" file %s when "
427 "sending message from %s transport: %s",
428 (cache_fd < 0)? "open" : "stat", oncelog, tblock->name,
433 /* Get store in the temporary pool and read the entire file into it. We get
434 an amount of store that is big enough to add the new entry on the end if we
437 cache_size = statbuf.st_size;
438 add_size = sizeof(time_t) + Ustrlen(to) + 1;
439 cache_buff = store_get(cache_size + add_size);
441 if (read(cache_fd, cache_buff, cache_size) != cache_size)
443 addr->transport_return = DEFER;
444 addr->basic_errno = errno;
445 addr->message = US"error while reading \"once\" file";
449 DEBUG(D_transport) debug_printf("%d bytes read from %s\n", cache_size, oncelog);
451 /* Scan the data for this recipient. Each entry in the file starts with
452 a time_t sized time value, followed by the address, followed by a binary
453 zero. If we find a match, put the time into "then", and the place where it
454 was found into "cache_time". Otherwise, "then" is left at zero. */
456 for (p = cache_buff; p < cache_buff + cache_size; p = nextp)
458 uschar *s = p + sizeof(time_t);
459 nextp = s + Ustrlen(s) + 1;
460 if (Ustrcmp(to, s) == 0)
462 memcpy(&then, p, sizeof(time_t));
469 /* Use a DBM file for the list of previous recipients. */
473 EXIM_DATUM key_datum, result_datum;
474 uschar * dirname = string_copy(oncelog);
477 if ((s = Ustrrchr(dirname, '/'))) *s = '\0';
478 EXIM_DBOPEN(oncelog, dirname, O_RDWR|O_CREAT, ob->mode, &dbm_file);
481 addr->transport_return = DEFER;
482 addr->message = string_sprintf("Failed to open %s file %s when sending "
483 "message from %s transport: %s", EXIM_DBTYPE, oncelog, tblock->name,
488 EXIM_DATUM_INIT(key_datum); /* Some DBM libraries need datums */
489 EXIM_DATUM_INIT(result_datum); /* to be cleared */
490 EXIM_DATUM_DATA(key_datum) = CS to;
491 EXIM_DATUM_SIZE(key_datum) = Ustrlen(to) + 1;
493 if (EXIM_DBGET(dbm_file, key_datum, result_datum))
495 /* If the datum size is that of a binary time, we are in the new world
496 where messages are sent periodically. Otherwise the file is an old one,
497 where the datum was filled with a tod_log time, which is assumed to be
498 different in size. For that, only one message is ever sent. This change
499 introduced at Exim 3.00. In a couple of years' time the test on the size
502 if (EXIM_DATUM_SIZE(result_datum) == sizeof(time_t))
503 memcpy(&then, EXIM_DATUM_DATA(result_datum), sizeof(time_t));
509 /* Either "then" is set zero, if no message has yet been sent, or it
510 is set to the time of the last sending. */
512 if (then != 0 && (once_repeat_sec <= 0 || now - then < once_repeat_sec))
515 DEBUG(D_transport) debug_printf("message previously sent to %s%s\n", to,
516 (once_repeat_sec > 0)? " and repeat time not reached" : "");
517 log_fd = logfile ? Uopen(logfile, O_WRONLY|O_APPEND|O_CREAT, ob->mode) : -1;
520 uschar *ptr = log_buffer;
521 sprintf(CS ptr, "%s\n previously sent to %.200s\n", tod_stamp(tod_log), to);
523 if(write(log_fd, log_buffer, ptr - log_buffer) != ptr-log_buffer
525 DEBUG(D_transport) debug_printf("Problem writing log file %s for %s "
526 "transport\n", logfile, tblock->name);
531 DEBUG(D_transport) debug_printf("%s %s\n", (then <= 0)?
532 "no previous message sent to" : "repeat time reached for", to);
535 /* We are going to send a message. Ensure any requested file is available. */
539 ff = Ufopen(file, "rb");
540 if (!ff && !ob->file_optional)
542 addr->transport_return = DEFER;
543 addr->message = string_sprintf("Failed to open file %s when sending "
544 "message from %s transport: %s", file, tblock->name, strerror(errno));
549 /* Make a subprocess to send the message */
551 pid = child_open_exim(&fd);
553 /* Creation of child failed; defer this delivery. */
557 addr->transport_return = DEFER;
558 addr->message = string_sprintf("Failed to create child process to send "
559 "message from %s transport: %s", tblock->name, strerror(errno));
560 DEBUG(D_transport) debug_printf("%s\n", addr->message);
561 if (dbm_file) EXIM_DBCLOSE(dbm_file);
565 /* Create the message to be sent - recipients are taken from the headers,
566 as the -t option is used. The "headers" stuff *must* be last in case there
567 are newlines in it which might, if placed earlier, screw up other headers. */
569 f = fdopen(fd, "wb");
571 if (from) fprintf(f, "From: %s\n", from);
572 if (reply_to) fprintf(f, "Reply-To: %s\n", reply_to);
573 if (to) fprintf(f, "To: %s\n", to);
574 if (cc) fprintf(f, "Cc: %s\n", cc);
575 if (bcc) fprintf(f, "Bcc: %s\n", bcc);
576 if (subject) fprintf(f, "Subject: %s\n", subject);
578 /* Generate In-Reply-To from the message_id header; there should
579 always be one, but code defensively. */
581 for (h = header_list; h; h = h->next)
582 if (h->type == htype_id) break;
586 message_id = Ustrchr(h->text, ':') + 1;
587 while (isspace(*message_id)) message_id++;
588 fprintf(f, "In-Reply-To: %s", message_id);
591 /* Generate a References header if there is at least one of Message-ID:,
592 References:, or In-Reply-To: (see RFC 2822). */
594 for (h = header_list; h; h = h->next)
595 if (h->type != htype_old && strncmpic(US"References:", h->text, 11) == 0)
599 for (h = header_list; h; h = h->next)
600 if (h->type != htype_old && strncmpic(US"In-Reply-To:", h->text, 12) == 0)
603 /* We limit the total length of references. Although there is no fixed
604 limit, some systems do not like headers growing beyond recognition.
605 Keep the first message ID for the thread root and the last few for
606 the position inside the thread, up to a maximum of 12 altogether. */
610 fprintf(f, "References:");
613 uschar *s, *id, *error;
614 uschar *referenced_ids[12];
615 int reference_count = 0;
618 s = Ustrchr(h->text, ':') + 1;
619 parse_allow_group = FALSE;
620 while (*s != 0 && (s = parse_message_id(s, &id, &error)) != NULL)
622 if (reference_count == sizeof(referenced_ids)/sizeof(uschar *))
624 memmove(referenced_ids + 1, referenced_ids + 2,
625 sizeof(referenced_ids) - 2*sizeof(uschar *));
626 referenced_ids[reference_count - 1] = id;
628 else referenced_ids[reference_count++] = id;
630 for (i = 0; i < reference_count; ++i) fprintf(f, " %s", referenced_ids[i]);
633 /* The message id will have a newline on the end of it. */
635 if (message_id) fprintf(f, " %s", message_id);
636 else fprintf(f, "\n");
639 /* Add an Auto-Submitted: header */
641 fprintf(f, "Auto-Submitted: auto-replied\n");
643 /* Add any specially requested headers */
645 if (headers) fprintf(f, "%s\n", headers);
650 fprintf(f, "%s", CS text);
651 if (text[Ustrlen(text)-1] != '\n') fprintf(f, "\n");
656 while (Ufgets(big_buffer, big_buffer_size, ff) != NULL)
660 uschar *s = expand_string(big_buffer);
664 debug_printf("error while expanding line from file:\n %s\n %s\n",
665 big_buffer, expand_string_message);
667 fprintf(f, "%s", s ? CS s : CS big_buffer);
669 else fprintf(f, "%s", CS big_buffer);
674 /* Copy the original message if required, observing the return size
675 limit if we are returning the body. */
679 uschar *rubric = (tblock->headers_only)?
680 US"------ This is a copy of the message's header lines.\n"
681 : (tblock->body_only)?
682 US"------ This is a copy of the body of the message, without the headers.\n"
684 US"------ This is a copy of the message, including all the headers.\n";
685 transport_ctx tctx = {
689 (tblock->body_only ? topt_no_headers : 0) |
690 (tblock->headers_only ? topt_no_body : 0) |
691 (tblock->return_path_add ? topt_add_return_path : 0) |
692 (tblock->delivery_date_add ? topt_add_delivery_date : 0) |
693 (tblock->envelope_to_add ? topt_add_envelope_to : 0)
696 if (bounce_return_size_limit > 0 && !tblock->headers_only)
699 int max = (bounce_return_size_limit/DELIVER_IN_BUFFER_SIZE + 1) *
700 DELIVER_IN_BUFFER_SIZE;
701 if (fstat(deliver_datafile, &statbuf) == 0 && statbuf.st_size > max)
704 "------ The body of the message is " OFF_T_FMT " characters long; only the first\n"
705 "------ %d or so are included here.\n\n", rubric, statbuf.st_size,
708 else fprintf(f, "\n%s\n", rubric);
710 else fprintf(f, "\n%s\n", rubric);
714 transport_write_message(fileno(f), &tctx, bounce_return_size_limit);
717 /* End the message and wait for the child process to end; no timeout. */
720 rc = child_close(pid, 0);
722 /* Update the "sent to" log whatever the yield. This errs on the side of
723 missing out a message rather than risking sending more than one. We either have
724 cache_fd set to a fixed size, circular buffer file, or dbm_file set to an open
725 DBM file (or neither, if "once" is not set). */
727 /* Update fixed-size cache file. If cache_time is set, we found a previous
728 entry; that is the spot into which to put the current time. Otherwise we have
729 to add a new record; remove the first one in the file if the file is too big.
730 We always rewrite the entire file in a single write operation. This is
731 (hopefully) going to be the safest thing because there is no interlocking
732 between multiple simultaneous deliveries. */
736 uschar *from = cache_buff;
737 int size = cache_size;
738 (void)lseek(cache_fd, 0, SEEK_SET);
740 if (cache_time == NULL)
742 cache_time = from + size;
743 memcpy(cache_time + sizeof(time_t), to, add_size - sizeof(time_t));
746 if (cache_size > 0 && size > ob->once_file_size)
748 from += sizeof(time_t) + Ustrlen(from + sizeof(time_t)) + 1;
749 size -= (from - cache_buff);
753 memcpy(cache_time, &now, sizeof(time_t));
754 if(write(cache_fd, from, size) != size)
755 DEBUG(D_transport) debug_printf("Problem writing cache file %s for %s "
756 "transport\n", oncelog, tblock->name);
759 /* Update DBM file */
761 else if (dbm_file != NULL)
763 EXIM_DATUM key_datum, value_datum;
764 EXIM_DATUM_INIT(key_datum); /* Some DBM libraries need to have */
765 EXIM_DATUM_INIT(value_datum); /* cleared datums. */
766 EXIM_DATUM_DATA(key_datum) = CS to;
767 EXIM_DATUM_SIZE(key_datum) = Ustrlen(to) + 1;
769 /* Many OS define the datum value, sensibly, as a void *. However, there
770 are some which still have char *. By casting this address to a char * we
771 can avoid warning messages from the char * systems. */
773 EXIM_DATUM_DATA(value_datum) = CS (&now);
774 EXIM_DATUM_SIZE(value_datum) = (int)sizeof(time_t);
775 EXIM_DBPUT(dbm_file, key_datum, value_datum);
778 /* If sending failed, defer to try again - but if once is set the next
779 try will skip, of course. However, if there were no recipients in the
780 message, we do not fail. */
783 if (rc == EXIT_NORECIPIENTS)
785 DEBUG(D_any) debug_printf("%s transport: message contained no recipients\n",
790 addr->transport_return = DEFER;
791 addr->message = string_sprintf("Failed to send message from %s "
792 "transport (%d)", tblock->name, rc);
796 /* Log the sending of the message if successful and required. If the file
797 fails to open, it's hard to know what to do. We cannot write to the Exim
798 log from here, since we may be running under an unprivileged uid. We don't
799 want to fail the delivery, since the message has been successfully sent. For
800 the moment, ignore open failures. Write the log entry as a single write() to a
801 file opened for appending, in order to avoid interleaving of output from
802 different processes. The log_buffer can be used exactly as for main log
807 int log_fd = Uopen(logfile, O_WRONLY|O_APPEND|O_CREAT, ob->mode);
810 uschar *ptr = log_buffer;
811 DEBUG(D_transport) debug_printf("logging message details\n");
812 sprintf(CS ptr, "%s\n", tod_stamp(tod_log));
816 (void)string_format(ptr, LOG_BUFFER_SIZE - (ptr-log_buffer),
817 " From: %s\n", from);
822 (void)string_format(ptr, LOG_BUFFER_SIZE - (ptr-log_buffer),
828 (void)string_format(ptr, LOG_BUFFER_SIZE - (ptr-log_buffer),
834 (void)string_format(ptr, LOG_BUFFER_SIZE - (ptr-log_buffer),
840 (void)string_format(ptr, LOG_BUFFER_SIZE - (ptr-log_buffer),
841 " Subject: %s\n", subject);
846 (void)string_format(ptr, LOG_BUFFER_SIZE - (ptr-log_buffer),
850 if(write(log_fd, log_buffer, ptr - log_buffer) != ptr-log_buffer
852 DEBUG(D_transport) debug_printf("Problem writing log file %s for %s "
853 "transport\n", logfile, tblock->name);
855 else DEBUG(D_transport) debug_printf("Failed to open log file %s for %s "
856 "transport: %s\n", logfile, tblock->name, strerror(errno));
860 if (dbm_file != NULL) EXIM_DBCLOSE(dbm_file);
861 if (cache_fd > 0) (void)close(cache_fd);
863 DEBUG(D_transport) debug_printf("%s transport succeeded\n", tblock->name);
868 /* End of transport/autoreply.c */