1 /*************************************************
2 * Exim - an Internet mail transport agent *
3 *************************************************/
5 /* Copyright (c) University of Cambridge 1995 - 2009 */
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++)
160 if (mac_isprint(c)) continue;
161 if (type == cke_hdr && c == '\n' && (t[1] == ' ' || t[1] == '\t')) continue;
162 s = string_printing(s);
163 addr->transport_return = FAIL;
164 addr->message = string_sprintf("Expansion of \"%s\" in %s transport "
165 "contains non-printing character %d", s, name, c);
175 /*************************************************
176 * Check a header line for never_mail *
177 *************************************************/
179 /* This is called to check to, cc, and bcc for addresses in the never_mail
180 list. Any that are found are removed.
183 listptr points to the list of addresses
184 never_mail an address list, already expanded
190 check_never_mail(uschar **listptr, uschar *never_mail)
192 uschar *s = *listptr;
196 uschar *error, *next;
197 uschar *e = parse_find_address_end(s, FALSE);
199 int start, end, domain, rc;
201 /* Temporarily terminate the string at the address end while extracting
202 the operative address within. */
205 next = parse_extract_address(s, &error, &start, &end, &domain, FALSE);
208 /* If there is some kind of syntax error, just give up on this header
211 if (next == NULL) break;
213 /* See if the address is on the never_mail list */
215 rc = match_address_list(next, /* address to check */
216 TRUE, /* start caseless */
217 FALSE, /* don't expand the list */
218 &never_mail, /* the list */
219 NULL, /* no caching */
220 -1, /* no expand setup */
221 0, /* separator from list */
222 NULL); /* no lookup value return */
224 if (rc == OK) /* Remove this address */
227 debug_printf("discarding recipient %s (matched never_mail)\n", next);
228 if (terminator == ',') e++;
229 memmove(s, e, Ustrlen(e) + 1);
231 else /* Skip over this address */
234 if (terminator == ',') s++;
238 /* Check to see if we removed the last address, leaving a terminating comma
239 that needs to be removed */
241 s = *listptr + Ustrlen(*listptr);
242 while (s > *listptr && (isspace(s[-1]) || s[-1] == ',')) s--;
245 /* Check to see if there any addresses left; if not, set NULL */
248 while (s != 0 && isspace(*s)) s++;
249 if (*s == 0) *listptr = NULL;
254 /*************************************************
256 *************************************************/
258 /* See local README for interface details. This transport always returns
259 FALSE, indicating that the top address has the status for all - though in fact
260 this transport can handle only one address at at time anyway. */
263 autoreply_transport_entry(
264 transport_instance *tblock, /* data for this instantiation */
265 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;
339 (from = checkexpand(from, addr, tblock->name, cke_hdr)) == NULL) ||
341 (reply_to = checkexpand(reply_to, addr, tblock->name, cke_hdr)) == NULL) ||
343 (to = checkexpand(to, addr, tblock->name, cke_hdr)) == NULL) ||
345 (cc = checkexpand(cc, addr, tblock->name, cke_hdr)) == NULL) ||
347 (bcc = checkexpand(bcc, addr, tblock->name, cke_hdr)) == NULL) ||
349 (subject = checkexpand(subject, addr, tblock->name, cke_hdr)) == NULL) ||
351 (headers = checkexpand(headers, addr, tblock->name, cke_text)) == NULL) ||
353 (text = checkexpand(text, addr, tblock->name, cke_text)) == NULL) ||
355 (file = checkexpand(file, addr, tblock->name, cke_file)) == NULL) ||
357 (logfile = checkexpand(logfile, addr, tblock->name, cke_file)) == NULL) ||
359 (oncelog = checkexpand(oncelog, addr, tblock->name, cke_file)) == NULL) ||
360 (oncerepeat != NULL &&
361 (oncerepeat = checkexpand(oncerepeat, addr, tblock->name, cke_file)) == NULL))
364 if (oncerepeat != NULL)
366 once_repeat_sec = readconf_readtime(oncerepeat, 0, FALSE);
367 if (once_repeat_sec < 0)
369 addr->transport_return = FAIL;
370 addr->message = string_sprintf("Invalid time value \"%s\" for "
371 "\"once_repeat\" in %s transport", oncerepeat, tblock->name);
377 /* If the never_mail option is set, we have to scan all the recipients and
378 remove those that match. */
380 if (ob->never_mail != NULL)
382 uschar *never_mail = expand_string(ob->never_mail);
384 if (never_mail == NULL)
386 addr->transport_return = FAIL;
387 addr->message = string_sprintf("Failed to expand \"%s\" for "
388 "\"never_mail\" in %s transport", ob->never_mail, tblock->name);
392 if (to != NULL) check_never_mail(&to, never_mail);
393 if (cc != NULL) check_never_mail(&cc, never_mail);
394 if (bcc != NULL) check_never_mail(&bcc, never_mail);
396 if (to == NULL && cc == NULL && bcc == NULL)
399 debug_printf("*** all recipients removed by never_mail\n");
404 /* If the -N option is set, can't do any more. */
409 debug_printf("*** delivery by %s transport bypassed by -N option\n",
415 /* If the oncelog field is set, we send want to send only one message to the
416 given recipient(s). This works only on the "To" field. If there is no "To"
417 field, the message is always sent. If the To: field contains more than one
418 recipient, the effect might not be quite as envisaged. If once_file_size is
419 set, instead of a dbm file, we use a regular file containing a circular buffer
422 if (oncelog != NULL && *oncelog != 0 && to != NULL)
426 /* Handle fixed-size cache file. */
428 if (ob->once_file_size > 0)
432 cache_fd = Uopen(oncelog, O_CREAT|O_RDWR, ob->mode);
434 if (cache_fd < 0 || fstat(cache_fd, &statbuf) != 0)
436 addr->transport_return = DEFER;
437 addr->message = string_sprintf("Failed to %s \"once\" file %s when "
438 "sending message from %s transport: %s",
439 (cache_fd < 0)? "open" : "stat", oncelog, tblock->name,
444 /* Get store in the temporary pool and read the entire file into it. We get
445 an amount of store that is big enough to add the new entry on the end if we
448 cache_size = statbuf.st_size;
449 add_size = sizeof(time_t) + Ustrlen(to) + 1;
450 cache_buff = store_get(cache_size + add_size);
452 if (read(cache_fd, cache_buff, cache_size) != cache_size)
454 addr->transport_return = DEFER;
455 addr->basic_errno = errno;
456 addr->message = US"error while reading \"once\" file";
460 DEBUG(D_transport) debug_printf("%d bytes read from %s\n", cache_size, oncelog);
462 /* Scan the data for this recipient. Each entry in the file starts with
463 a time_t sized time value, followed by the address, followed by a binary
464 zero. If we find a match, put the time into "then", and the place where it
465 was found into "cache_time". Otherwise, "then" is left at zero. */
468 while (p < cache_buff + cache_size)
470 uschar *s = p + sizeof(time_t);
471 uschar *nextp = s + Ustrlen(s) + 1;
472 if (Ustrcmp(to, s) == 0)
474 memcpy(&then, p, sizeof(time_t));
482 /* Use a DBM file for the list of previous recipients. */
486 EXIM_DATUM key_datum, result_datum;
487 EXIM_DBOPEN(oncelog, O_RDWR|O_CREAT, ob->mode, &dbm_file);
488 if (dbm_file == NULL)
490 addr->transport_return = DEFER;
491 addr->message = string_sprintf("Failed to open %s file %s when sending "
492 "message from %s transport: %s", EXIM_DBTYPE, oncelog, tblock->name,
497 EXIM_DATUM_INIT(key_datum); /* Some DBM libraries need datums */
498 EXIM_DATUM_INIT(result_datum); /* to be cleared */
499 EXIM_DATUM_DATA(key_datum) = CS to;
500 EXIM_DATUM_SIZE(key_datum) = Ustrlen(to) + 1;
502 if (EXIM_DBGET(dbm_file, key_datum, result_datum))
504 /* If the datum size is that of a binary time, we are in the new world
505 where messages are sent periodically. Otherwise the file is an old one,
506 where the datum was filled with a tod_log time, which is assumed to be
507 different in size. For that, only one message is ever sent. This change
508 introduced at Exim 3.00. In a couple of years' time the test on the size
511 if (EXIM_DATUM_SIZE(result_datum) == sizeof(time_t))
513 memcpy(&then, EXIM_DATUM_DATA(result_datum), sizeof(time_t));
519 /* Either "then" is set zero, if no message has yet been sent, or it
520 is set to the time of the last sending. */
522 if (then != 0 && (once_repeat_sec <= 0 || now - then < once_repeat_sec))
524 DEBUG(D_transport) debug_printf("message previously sent to %s%s\n", to,
525 (once_repeat_sec > 0)? " and repeat time not reached" : "");
526 log_fd = Uopen(logfile, O_WRONLY|O_APPEND|O_CREAT, ob->mode);
529 uschar *ptr = log_buffer;
530 sprintf(CS ptr, "%s\n previously sent to %.200s\n", tod_stamp(tod_log), to);
532 if(write(log_fd, log_buffer, ptr - log_buffer) != ptr-log_buffer
534 DEBUG(D_transport) debug_printf("Problem writing log file %s for %s "
535 "transport\n", logfile, tblock->name);
540 DEBUG(D_transport) debug_printf("%s %s\n", (then <= 0)?
541 "no previous message sent to" : "repeat time reached for", to);
544 /* We are going to send a message. Ensure any requested file is available. */
548 ff = Ufopen(file, "rb");
549 if (ff == NULL && !ob->file_optional)
551 addr->transport_return = DEFER;
552 addr->message = string_sprintf("Failed to open file %s when sending "
553 "message from %s transport: %s", file, tblock->name, strerror(errno));
558 /* Make a subprocess to send the message */
560 pid = child_open_exim(&fd);
562 /* Creation of child failed; defer this delivery. */
566 addr->transport_return = DEFER;
567 addr->message = string_sprintf("Failed to create child process to send "
568 "message from %s transport: %s", tblock->name, strerror(errno));
569 DEBUG(D_transport) debug_printf("%s\n", addr->message);
573 /* Create the message to be sent - recipients are taken from the headers,
574 as the -t option is used. The "headers" stuff *must* be last in case there
575 are newlines in it which might, if placed earlier, screw up other headers. */
577 f = fdopen(fd, "wb");
579 if (from != NULL) fprintf(f, "From: %s\n", from);
580 if (reply_to != NULL) fprintf(f, "Reply-To: %s\n", reply_to);
581 if (to != NULL) fprintf(f, "To: %s\n", to);
582 if (cc != NULL) fprintf(f, "Cc: %s\n", cc);
583 if (bcc != NULL) fprintf(f, "Bcc: %s\n", bcc);
584 if (subject != NULL) fprintf(f, "Subject: %s\n", subject);
586 /* Generate In-Reply-To from the message_id header; there should
587 always be one, but code defensively. */
589 for (h = header_list; h != NULL; h = h->next)
590 if (h->type == htype_id) break;
594 message_id = Ustrchr(h->text, ':') + 1;
595 while (isspace(*message_id)) message_id++;
596 fprintf(f, "In-Reply-To: %s", message_id);
599 /* Generate a References header if there is at least one of Message-ID:,
600 References:, or In-Reply-To: (see RFC 2822). */
602 for (h = header_list; h != NULL; h = h->next)
603 if (h->type != htype_old && strncmpic(US"References:", h->text, 11) == 0)
607 for (h = header_list; h != NULL; h = h->next)
608 if (h->type != htype_old && strncmpic(US"In-Reply-To:", h->text, 12) == 0)
611 /* We limit the total length of references. Although there is no fixed
612 limit, some systems do not like headers growing beyond recognition.
613 Keep the first message ID for the thread root and the last few for
614 the position inside the thread, up to a maximum of 12 altogether. */
616 if (h != NULL || message_id != NULL)
618 fprintf(f, "References:");
621 uschar *s, *id, *error;
622 uschar *referenced_ids[12];
623 int reference_count = 0;
626 s = Ustrchr(h->text, ':') + 1;
627 parse_allow_group = FALSE;
628 while (*s != 0 && (s = parse_message_id(s, &id, &error)) != NULL)
630 if (reference_count == sizeof(referenced_ids)/sizeof(uschar *))
632 memmove(referenced_ids + 1, referenced_ids + 2,
633 sizeof(referenced_ids) - 2*sizeof(uschar *));
634 referenced_ids[reference_count - 1] = id;
636 else referenced_ids[reference_count++] = id;
638 for (i = 0; i < reference_count; ++i) fprintf(f, " %s", referenced_ids[i]);
641 /* The message id will have a newline on the end of it. */
643 if (message_id != NULL) fprintf(f, " %s", message_id);
644 else fprintf(f, "\n");
647 /* Add an Auto-Submitted: header */
649 fprintf(f, "Auto-Submitted: auto-replied\n");
651 /* Add any specially requested headers */
653 if (headers != NULL) fprintf(f, "%s\n", headers);
658 fprintf(f, "%s", CS text);
659 if (text[Ustrlen(text)-1] != '\n') fprintf(f, "\n");
664 while (Ufgets(big_buffer, big_buffer_size, ff) != NULL)
668 uschar *s = expand_string(big_buffer);
672 debug_printf("error while expanding line from file:\n %s\n %s\n",
673 big_buffer, expand_string_message);
675 fprintf(f, "%s", (s == NULL)? CS big_buffer : CS s);
677 else fprintf(f, "%s", CS big_buffer);
682 /* Copy the original message if required, observing the return size
683 limit if we are returning the body. */
687 uschar *rubric = (tblock->headers_only)?
688 US"------ This is a copy of the message's header lines.\n"
689 : (tblock->body_only)?
690 US"------ This is a copy of the body of the message, without the headers.\n"
692 US"------ This is a copy of the message, including all the headers.\n";
694 if (bounce_return_size_limit > 0 && !tblock->headers_only)
697 int max = (bounce_return_size_limit/DELIVER_IN_BUFFER_SIZE + 1) *
698 DELIVER_IN_BUFFER_SIZE;
699 if (fstat(deliver_datafile, &statbuf) == 0 && statbuf.st_size > max)
702 "------ The body of the message is " OFF_T_FMT " characters long; only the first\n"
703 "------ %d or so are included here.\n\n", rubric, statbuf.st_size,
706 else fprintf(f, "\n%s\n", rubric);
708 else fprintf(f, "\n%s\n", rubric);
712 transport_write_message(addr, fileno(f),
713 (tblock->body_only? topt_no_headers : 0) |
714 (tblock->headers_only? topt_no_body : 0) |
715 (tblock->return_path_add? topt_add_return_path : 0) |
716 (tblock->delivery_date_add? topt_add_delivery_date : 0) |
717 (tblock->envelope_to_add? topt_add_envelope_to : 0),
718 bounce_return_size_limit, tblock->add_headers, tblock->remove_headers,
719 NULL, NULL, tblock->rewrite_rules, tblock->rewrite_existflags);
722 /* End the message and wait for the child process to end; no timeout. */
725 rc = child_close(pid, 0);
727 /* Update the "sent to" log whatever the yield. This errs on the side of
728 missing out a message rather than risking sending more than one. We either have
729 cache_fd set to a fixed size, circular buffer file, or dbm_file set to an open
730 DBM file (or neither, if "once" is not set). */
732 /* Update fixed-size cache file. If cache_time is set, we found a previous
733 entry; that is the spot into which to put the current time. Otherwise we have
734 to add a new record; remove the first one in the file if the file is too big.
735 We always rewrite the entire file in a single write operation. This is
736 (hopefully) going to be the safest thing because there is no interlocking
737 between multiple simultaneous deliveries. */
741 uschar *from = cache_buff;
742 int size = cache_size;
743 (void)lseek(cache_fd, 0, SEEK_SET);
745 if (cache_time == NULL)
747 cache_time = from + size;
748 memcpy(cache_time + sizeof(time_t), to, add_size - sizeof(time_t));
751 if (cache_size > 0 && size > ob->once_file_size)
753 from += sizeof(time_t) + Ustrlen(from + sizeof(time_t)) + 1;
754 size -= (from - cache_buff);
758 memcpy(cache_time, &now, sizeof(time_t));
759 if(write(cache_fd, from, size) != size)
760 DEBUG(D_transport) debug_printf("Problem writing cache file %s for %s "
761 "transport\n", oncelog, tblock->name);
764 /* Update DBM file */
766 else if (dbm_file != NULL)
768 EXIM_DATUM key_datum, value_datum;
769 EXIM_DATUM_INIT(key_datum); /* Some DBM libraries need to have */
770 EXIM_DATUM_INIT(value_datum); /* cleared datums. */
771 EXIM_DATUM_DATA(key_datum) = CS to;
772 EXIM_DATUM_SIZE(key_datum) = Ustrlen(to) + 1;
774 /* Many OS define the datum value, sensibly, as a void *. However, there
775 are some which still have char *. By casting this address to a char * we
776 can avoid warning messages from the char * systems. */
778 EXIM_DATUM_DATA(value_datum) = CS (&now);
779 EXIM_DATUM_SIZE(value_datum) = (int)sizeof(time_t);
780 EXIM_DBPUT(dbm_file, key_datum, value_datum);
783 /* If sending failed, defer to try again - but if once is set the next
784 try will skip, of course. However, if there were no recipients in the
785 message, we do not fail. */
789 if (rc == EXIT_NORECIPIENTS)
791 DEBUG(D_any) debug_printf("%s transport: message contained no recipients\n",
796 addr->transport_return = DEFER;
797 addr->message = string_sprintf("Failed to send message from %s "
798 "transport (%d)", tblock->name, rc);
803 /* Log the sending of the message if successful and required. If the file
804 fails to open, it's hard to know what to do. We cannot write to the Exim
805 log from here, since we may be running under an unprivileged uid. We don't
806 want to fail the delivery, since the message has been successfully sent. For
807 the moment, ignore open failures. Write the log entry as a single write() to a
808 file opened for appending, in order to avoid interleaving of output from
809 different processes. The log_buffer can be used exactly as for main log
814 int log_fd = Uopen(logfile, O_WRONLY|O_APPEND|O_CREAT, ob->mode);
817 uschar *ptr = log_buffer;
818 DEBUG(D_transport) debug_printf("logging message details\n");
819 sprintf(CS ptr, "%s\n", tod_stamp(tod_log));
823 (void)string_format(ptr, LOG_BUFFER_SIZE - (ptr-log_buffer),
824 " From: %s\n", from);
829 (void)string_format(ptr, LOG_BUFFER_SIZE - (ptr-log_buffer),
835 (void)string_format(ptr, LOG_BUFFER_SIZE - (ptr-log_buffer),
841 (void)string_format(ptr, LOG_BUFFER_SIZE - (ptr-log_buffer),
847 (void)string_format(ptr, LOG_BUFFER_SIZE - (ptr-log_buffer),
848 " Subject: %s\n", subject);
853 (void)string_format(ptr, LOG_BUFFER_SIZE - (ptr-log_buffer),
857 if(write(log_fd, log_buffer, ptr - log_buffer) != ptr-log_buffer
859 DEBUG(D_transport) debug_printf("Problem writing log file %s for %s "
860 "transport\n", logfile, tblock->name);
862 else DEBUG(D_transport) debug_printf("Failed to open log file %s for %s "
863 "transport: %s\n", logfile, tblock->name, strerror(errno));
867 if (dbm_file != NULL) EXIM_DBCLOSE(dbm_file);
868 if (cache_fd > 0) (void)close(cache_fd);
870 DEBUG(D_transport) debug_printf("%s transport succeeded\n", tblock->name);
875 /* End of transport/autoreply.c */