1 /*************************************************
2 * Exim - an Internet mail transport agent *
3 *************************************************/
5 /* Copyright (c) University of Cambridge 1995 - 2012 */
6 /* See the file NOTICE for conditions of use and distribution. */
8 /* Functions for reading spool files. When compiling for a utility (eximon),
9 not all are needed, and some functionality can be cut out. */
16 #ifndef COMPILE_UTILITY
17 /*************************************************
18 * Open and lock data file *
19 *************************************************/
21 /* The data file is the one that is used for locking, because the header file
22 can get replaced during delivery because of header rewriting. The file has
23 to opened with write access so that we can get an exclusive lock, but in
24 fact it won't be written to. Just in case there's a major disaster (e.g.
25 overwriting some other file descriptor with the value of this one), open it
28 Argument: the id of the message
29 Returns: TRUE if file successfully opened and locked
31 Side effect: deliver_datafile is set to the fd of the open file.
35 spool_open_datafile(uschar *id)
40 uschar spoolname[256];
42 /* If split_spool_directory is set, first look for the file in the appropriate
43 sub-directory of the input directory. If it is not found there, try the input
44 directory itself, to pick up leftovers from before the splitting. If split_
45 spool_directory is not set, first look in the main input directory. If it is
46 not found there, try the split sub-directory, in case it is left over from a
49 for (i = 0; i < 2; i++)
52 message_subdir[0] = (split_spool_directory == (i == 0))? id[5] : 0;
53 sprintf(CS spoolname, "%s/input/%s/%s-D", spool_directory, message_subdir, id);
54 deliver_datafile = Uopen(spoolname, O_RDWR | O_APPEND, 0);
55 if (deliver_datafile >= 0) break;
61 log_write(0, LOG_MAIN, "Spool file %s-D not found", id);
63 else log_write(0, LOG_MAIN, "Spool error for %s: %s", spoolname,
69 /* File is open and message_subdir is set. Set the close-on-exec flag, and lock
70 the file. We lock only the first line of the file (containing the message ID)
71 because this apparently is needed for running Exim under Cygwin. If the entire
72 file is locked in one process, a sub-process cannot access it, even when passed
73 an open file descriptor (at least, I think that's the Cygwin story). On real
74 Unix systems it doesn't make any difference as long as Exim is consistent in
77 (void)fcntl(deliver_datafile, F_SETFD, fcntl(deliver_datafile, F_GETFD) |
80 lock_data.l_type = F_WRLCK;
81 lock_data.l_whence = SEEK_SET;
82 lock_data.l_start = 0;
83 lock_data.l_len = SPOOL_DATA_START_OFFSET;
85 if (fcntl(deliver_datafile, F_SETLK, &lock_data) < 0)
87 log_write(L_skip_delivery,
89 "Spool file is locked (another process is handling this message)");
90 (void)close(deliver_datafile);
91 deliver_datafile = -1;
96 /* Get the size of the data; don't include the leading filename line
97 in the count, but add one for the newline before the data. */
99 if (fstat(deliver_datafile, &statbuf) == 0)
101 message_body_size = statbuf.st_size - SPOOL_DATA_START_OFFSET;
102 message_size = message_body_size + 1;
107 #endif /* COMPILE_UTILITY */
111 /*************************************************
112 * Read non-recipients tree from spool file *
113 *************************************************/
115 /* The tree of non-recipients is written to the spool file in a form that
116 makes it easy to read back into a tree. The format is as follows:
118 . Each node is preceded by two letter(Y/N) indicating whether it has left
119 or right children. There's one space after the two flags, before the name.
121 . The left subtree (if any) then follows, then the right subtree (if any).
123 This function is entered with the next input line in the buffer. Note we must
124 save the right flag before recursing with the same buffer.
126 Once the tree is read, we re-construct the balance fields by scanning the tree.
127 I forgot to write them out originally, and the compatible fix is to do it this
128 way. This initial local recursing function does the necessary.
133 Returns: maximum depth below the node, including the node itself
137 count_below(tree_node *node)
140 if (node == NULL) return 0;
141 nleft = count_below(node->left);
142 nright = count_below(node->right);
143 node->balance = (nleft > nright)? 1 : ((nright > nleft)? 2 : 0);
144 return 1 + ((nleft > nright)? nleft : nright);
147 /* This is the real function...
150 connect pointer to the root of the tree
151 f FILE to read data from
152 buffer contains next input line; further lines read into it
153 buffer_size size of the buffer
155 Returns: FALSE on format error
159 read_nonrecipients_tree(tree_node **connect, FILE *f, uschar *buffer,
163 int n = Ustrlen(buffer);
164 BOOL right = buffer[1] == 'Y';
166 if (n < 5) return FALSE; /* malformed line */
167 buffer[n-1] = 0; /* Remove \n */
168 node = store_get(sizeof(tree_node) + n - 3);
170 Ustrcpy(node->name, buffer + 3);
171 node->data.ptr = NULL;
173 if (buffer[0] == 'Y')
175 if (Ufgets(buffer, buffer_size, f) == NULL ||
176 !read_nonrecipients_tree(&node->left, f, buffer, buffer_size))
179 else node->left = NULL;
183 if (Ufgets(buffer, buffer_size, f) == NULL ||
184 !read_nonrecipients_tree(&node->right, f, buffer, buffer_size))
187 else node->right = NULL;
189 (void) count_below(*connect);
196 /*************************************************
197 * Read spool header file *
198 *************************************************/
200 /* This function reads a spool header file and places the data into the
201 appropriate global variables. The header portion is always read, but header
202 structures are built only if read_headers is set true. It isn't, for example,
203 while generating -bp output.
205 It may be possible for blocks of nulls (binary zeroes) to get written on the
206 end of a file if there is a system crash during writing. It was observed on an
207 earlier version of Exim that omitted to fsync() the files - this is thought to
208 have been the cause of that incident, but in any case, this code must be robust
209 against such an event, and if such a file is encountered, it must be treated as
213 name name of the header file, including the -H
214 read_headers TRUE if in-store header structures are to be built
215 subdir_set TRUE is message_subdir is already set
217 Returns: spool_read_OK success
218 spool_read_notopen open failed
219 spool_read_enverror error in the envelope portion
220 spool_read_hdrdrror error in the header portion
224 spool_read_header(uschar *name, BOOL read_headers, BOOL subdir_set)
230 BOOL inheader = FALSE;
233 /* Reset all the global variables to their default values. However, there is
234 one exception. DO NOT change the default value of dont_deliver, because it may
235 be forced by an external setting. */
237 acl_var_c = acl_var_m = NULL;
238 authenticated_id = NULL;
239 authenticated_sender = NULL;
240 allow_unqualified_recipient = FALSE;
241 allow_unqualified_sender = FALSE;
244 deliver_firsttime = FALSE;
245 deliver_freeze = FALSE;
246 deliver_frozen_at = 0;
247 deliver_manual_thaw = FALSE;
248 /* dont_deliver must NOT be reset */
249 header_list = header_last = NULL;
250 host_lookup_deferred = FALSE;
251 host_lookup_failed = FALSE;
252 interface_address = NULL;
254 local_error_message = FALSE;
255 local_scan_data = NULL;
256 max_received_linelength = 0;
257 message_linecount = 0;
258 received_protocol = NULL;
260 recipients_list = NULL;
261 sender_address = NULL;
262 sender_fullhost = NULL;
263 sender_helo_name = NULL;
264 sender_host_address = NULL;
265 sender_host_name = NULL;
266 sender_host_port = 0;
267 sender_host_authenticated = NULL;
269 sender_local = FALSE;
270 sender_set_untrusted = FALSE;
271 smtp_active_hostname = primary_hostname;
272 tree_nonrecipients = NULL;
274 #ifdef EXPERIMENTAL_BRIGHTMAIL
281 dkim_disable_verify = FALSE;
282 dkim_collect_input = FALSE;
286 tls_in.certificate_verified = FALSE;
287 # ifdef EXPERIMENTAL_DANE
288 tls_in.dane_verified = FALSE;
290 tls_in.cipher = NULL;
291 tls_in.ourcert = NULL;
292 tls_in.peercert = NULL;
293 tls_in.peerdn = NULL;
295 tls_in.ocsp = OCSP_NOT_REQ;
298 #ifdef WITH_CONTENT_SCAN
299 spam_score_int = NULL;
305 /* Generate the full name and open the file. If message_subdir is already
306 set, just look in the given directory. Otherwise, look in both the split
307 and unsplit directories, as for the data file above. */
309 for (n = 0; n < 2; n++)
312 message_subdir[0] = (split_spool_directory == (n == 0))? name[5] : 0;
313 sprintf(CS big_buffer, "%s/input/%s/%s", spool_directory, message_subdir,
315 f = Ufopen(big_buffer, "rb");
316 if (f != NULL) break;
317 if (n != 0 || subdir_set || errno != ENOENT) return spool_read_notopen;
322 #ifndef COMPILE_UTILITY
323 DEBUG(D_deliver) debug_printf("reading spool file %s\n", name);
324 #endif /* COMPILE_UTILITY */
326 /* The first line of a spool file contains the message id followed by -H (i.e.
327 the file name), in order to make the file self-identifying. */
329 if (Ufgets(big_buffer, big_buffer_size, f) == NULL) goto SPOOL_READ_ERROR;
330 if (Ustrlen(big_buffer) != MESSAGE_ID_LENGTH + 3 ||
331 Ustrncmp(big_buffer, name, MESSAGE_ID_LENGTH + 2) != 0)
332 goto SPOOL_FORMAT_ERROR;
334 /* The next three lines in the header file are in a fixed format. The first
335 contains the login, uid, and gid of the user who caused the file to be written.
336 There are known cases where a negative gid is used, so we allow for both
337 negative uids and gids. The second contains the mail address of the message's
338 sender, enclosed in <>. The third contains the time the message was received,
339 and the number of warning messages for delivery delays that have been sent. */
341 if (Ufgets(big_buffer, big_buffer_size, f) == NULL) goto SPOOL_READ_ERROR;
343 p = big_buffer + Ustrlen(big_buffer);
344 while (p > big_buffer && isspace(p[-1])) p--;
346 if (!isdigit(p[-1])) goto SPOOL_FORMAT_ERROR;
347 while (p > big_buffer && (isdigit(p[-1]) || '-' == p[-1])) p--;
349 if (p <= big_buffer || *(--p) != ' ') goto SPOOL_FORMAT_ERROR;
351 if (!isdigit(p[-1])) goto SPOOL_FORMAT_ERROR;
352 while (p > big_buffer && (isdigit(p[-1]) || '-' == p[-1])) p--;
354 if (p <= big_buffer || *(--p) != ' ') goto SPOOL_FORMAT_ERROR;
357 originator_login = string_copy(big_buffer);
358 originator_uid = (uid_t)uid;
359 originator_gid = (gid_t)gid;
362 if (Ufgets(big_buffer, big_buffer_size, f) == NULL) goto SPOOL_READ_ERROR;
363 n = Ustrlen(big_buffer);
364 if (n < 3 || big_buffer[0] != '<' || big_buffer[n-2] != '>')
365 goto SPOOL_FORMAT_ERROR;
367 sender_address = store_get(n-2);
368 Ustrncpy(sender_address, big_buffer+1, n-3);
369 sender_address[n-3] = 0;
372 if (Ufgets(big_buffer, big_buffer_size, f) == NULL) goto SPOOL_READ_ERROR;
373 if (sscanf(CS big_buffer, "%d %d", &received_time, &warning_count) != 2)
374 goto SPOOL_FORMAT_ERROR;
376 message_age = time(NULL) - received_time;
378 #ifndef COMPILE_UTILITY
379 DEBUG(D_deliver) debug_printf("user=%s uid=%ld gid=%ld sender=%s\n",
380 originator_login, (long int)originator_uid, (long int)originator_gid,
382 #endif /* COMPILE_UTILITY */
384 /* Now there may be a number of optional lines, each starting with "-". If you
385 add a new setting here, make sure you set the default above.
387 Because there are now quite a number of different possibilities, we use a
388 switch on the first character to avoid too many failing tests. Thanks to Nico
389 Erfurth for the patch that implemented this. I have made it even more efficient
390 by not re-scanning the first two characters.
392 To allow new versions of Exim that add additional flags to interwork with older
393 versions that do not understand them, just ignore any lines starting with "-"
394 that we don't recognize. Otherwise it wouldn't be possible to back off a new
395 version that left new-style flags written on the spool. */
401 if (Ufgets(big_buffer, big_buffer_size, f) == NULL) goto SPOOL_READ_ERROR;
402 if (big_buffer[0] != '-') break;
403 while ( (len = Ustrlen(big_buffer)) == big_buffer_size-1
404 && big_buffer[len-1] != '\n'
406 { /* buffer not big enough for line; certs make this possible */
408 if (big_buffer_size >= BIG_BUFFER_SIZE*4) goto SPOOL_READ_ERROR;
409 buf = store_get_perm(big_buffer_size *= 2);
410 memcpy(buf, big_buffer, --len);
412 if (Ufgets(big_buffer+len, big_buffer_size-len, f) == NULL)
413 goto SPOOL_READ_ERROR;
415 big_buffer[len-1] = 0;
417 switch(big_buffer[1])
421 /* Nowadays we use "-aclc" and "-aclm" for the different types of ACL
422 variable, because Exim allows any number of them, with arbitrary names.
423 The line in the spool file is "-acl[cm] <name> <length>". The name excludes
426 if (Ustrncmp(p, "clc ", 4) == 0 ||
427 Ustrncmp(p, "clm ", 4) == 0)
429 uschar *name, *endptr;
432 endptr = Ustrchr(big_buffer + 6, ' ');
433 if (endptr == NULL) goto SPOOL_FORMAT_ERROR;
434 name = string_sprintf("%c%.*s", big_buffer[4], endptr - big_buffer - 6,
436 if (sscanf(CS endptr, " %d", &count) != 1) goto SPOOL_FORMAT_ERROR;
437 node = acl_var_create(name);
438 node->data.ptr = store_get(count + 1);
439 if (fread(node->data.ptr, 1, count+1, f) < count) goto SPOOL_READ_ERROR;
440 ((uschar*)node->data.ptr)[count] = 0;
443 else if (Ustrcmp(p, "llow_unqualified_recipient") == 0)
444 allow_unqualified_recipient = TRUE;
445 else if (Ustrcmp(p, "llow_unqualified_sender") == 0)
446 allow_unqualified_sender = TRUE;
448 else if (Ustrncmp(p, "uth_id", 6) == 0)
449 authenticated_id = string_copy(big_buffer + 9);
450 else if (Ustrncmp(p, "uth_sender", 10) == 0)
451 authenticated_sender = string_copy(big_buffer + 13);
452 else if (Ustrncmp(p, "ctive_hostname", 14) == 0)
453 smtp_active_hostname = string_copy(big_buffer + 17);
455 /* For long-term backward compatibility, we recognize "-acl", which was
456 used before the number of ACL variables changed from 10 to 20. This was
457 before the subsequent change to an arbitrary number of named variables.
458 This code is retained so that upgrades from very old versions can still
459 handle old-format spool files. The value given after "-acl" is a number
460 that is 0-9 for connection variables, and 10-19 for message variables. */
462 else if (Ustrncmp(p, "cl ", 3) == 0)
465 uschar name[20]; /* Need plenty of space for %d format */
467 if (sscanf(CS big_buffer + 5, "%d %d", &index, &count) != 2)
468 goto SPOOL_FORMAT_ERROR;
470 (void) string_format(name, sizeof(name), "%c%d", 'c', index);
471 else if (index < 20) /* ignore out-of-range index */
472 (void) string_format(name, sizeof(name), "%c%d", 'm', index - 10);
473 node = acl_var_create(name);
474 node->data.ptr = store_get(count + 1);
475 if (fread(node->data.ptr, 1, count+1, f) < count) goto SPOOL_READ_ERROR;
476 ((uschar*)node->data.ptr)[count] = 0;
481 if (Ustrncmp(p, "ody_linecount", 13) == 0)
482 body_linecount = Uatoi(big_buffer + 15);
483 else if (Ustrncmp(p, "ody_zerocount", 13) == 0)
484 body_zerocount = Uatoi(big_buffer + 15);
485 #ifdef EXPERIMENTAL_BRIGHTMAIL
486 else if (Ustrncmp(p, "mi_verdicts ", 12) == 0)
487 bmi_verdicts = string_copy(big_buffer + 14);
492 if (Ustrcmp(p, "eliver_firsttime") == 0)
493 deliver_firsttime = TRUE;
494 /* Check if the dsn flags have been set in the header file */
495 else if (Ustrncmp(p, "sn_ret", 6) == 0)
496 dsn_ret= atoi(CS big_buffer + 8);
497 else if (Ustrncmp(p, "sn_envid", 8) == 0)
498 dsn_envid = string_copy(big_buffer + 11);
502 if (Ustrncmp(p, "rozen", 5) == 0)
504 deliver_freeze = TRUE;
505 sscanf(CS big_buffer+7, TIME_T_FMT, &deliver_frozen_at);
510 if (Ustrcmp(p, "ost_lookup_deferred") == 0)
511 host_lookup_deferred = TRUE;
512 else if (Ustrcmp(p, "ost_lookup_failed") == 0)
513 host_lookup_failed = TRUE;
514 else if (Ustrncmp(p, "ost_auth", 8) == 0)
515 sender_host_authenticated = string_copy(big_buffer + 11);
516 else if (Ustrncmp(p, "ost_name", 8) == 0)
517 sender_host_name = string_copy(big_buffer + 11);
518 else if (Ustrncmp(p, "elo_name", 8) == 0)
519 sender_helo_name = string_copy(big_buffer + 11);
521 /* We now record the port number after the address, separated by a
522 dot. For compatibility during upgrading, do nothing if there
523 isn't a value (it gets left at zero). */
525 else if (Ustrncmp(p, "ost_address", 11) == 0)
527 sender_host_port = host_address_extract_port(big_buffer + 14);
528 sender_host_address = string_copy(big_buffer + 14);
533 if (Ustrncmp(p, "nterface_address", 16) == 0)
535 interface_port = host_address_extract_port(big_buffer + 19);
536 interface_address = string_copy(big_buffer + 19);
538 else if (Ustrncmp(p, "dent", 4) == 0)
539 sender_ident = string_copy(big_buffer + 7);
543 if (Ustrcmp(p, "ocal") == 0) sender_local = TRUE;
544 else if (Ustrcmp(big_buffer, "-localerror") == 0)
545 local_error_message = TRUE;
546 else if (Ustrncmp(p, "ocal_scan ", 10) == 0)
547 local_scan_data = string_copy(big_buffer + 12);
551 if (Ustrcmp(p, "anual_thaw") == 0) deliver_manual_thaw = TRUE;
552 else if (Ustrncmp(p, "ax_received_linelength", 22) == 0)
553 max_received_linelength = Uatoi(big_buffer + 24);
557 if (*p == 0) dont_deliver = TRUE; /* -N */
561 if (Ustrncmp(p, "eceived_protocol", 16) == 0)
562 received_protocol = string_copy(big_buffer + 19);
566 if (Ustrncmp(p, "ender_set_untrusted", 19) == 0)
567 sender_set_untrusted = TRUE;
568 #ifdef WITH_CONTENT_SCAN
569 else if (Ustrncmp(p, "pam_score_int ", 14) == 0)
570 spam_score_int = string_copy(big_buffer + 16);
576 if (Ustrncmp(p, "ls_certificate_verified", 23) == 0)
577 tls_in.certificate_verified = TRUE;
578 else if (Ustrncmp(p, "ls_cipher", 9) == 0)
579 tls_in.cipher = string_copy(big_buffer + 12);
580 # ifndef COMPILE_UTILITY /* tls support fns not built in */
581 else if (Ustrncmp(p, "ls_ourcert", 10) == 0)
582 (void) tls_import_cert(big_buffer + 13, &tls_in.ourcert);
583 else if (Ustrncmp(p, "ls_peercert", 11) == 0)
584 (void) tls_import_cert(big_buffer + 14, &tls_in.peercert);
586 else if (Ustrncmp(p, "ls_peerdn", 9) == 0)
587 tls_in.peerdn = string_unprinting(string_copy(big_buffer + 12));
588 else if (Ustrncmp(p, "ls_sni", 6) == 0)
589 tls_in.sni = string_unprinting(string_copy(big_buffer + 9));
590 else if (Ustrncmp(p, "ls_ocsp", 7) == 0)
591 tls_in.ocsp = big_buffer[10] - '0';
595 default: /* Present because some compilers complain if all */
596 break; /* possibilities are not covered. */
600 /* Build sender_fullhost if required */
602 #ifndef COMPILE_UTILITY
603 host_build_sender_fullhost();
604 #endif /* COMPILE_UTILITY */
606 #ifndef COMPILE_UTILITY
608 debug_printf("sender_local=%d ident=%s\n", sender_local,
609 (sender_ident == NULL)? US"unset" : sender_ident);
610 #endif /* COMPILE_UTILITY */
612 /* We now have the tree of addresses NOT to deliver to, or a line
613 containing "XX", indicating no tree. */
615 if (Ustrncmp(big_buffer, "XX\n", 3) != 0 &&
616 !read_nonrecipients_tree(&tree_nonrecipients, f, big_buffer, big_buffer_size))
617 goto SPOOL_FORMAT_ERROR;
619 #ifndef COMPILE_UTILITY
622 debug_printf("Non-recipients:\n");
623 debug_print_tree(tree_nonrecipients);
625 #endif /* COMPILE_UTILITY */
627 /* After reading the tree, the next line has not yet been read into the
628 buffer. It contains the count of recipients which follow on separate lines. */
630 if (Ufgets(big_buffer, big_buffer_size, f) == NULL) goto SPOOL_READ_ERROR;
631 if (sscanf(CS big_buffer, "%d", &rcount) != 1) goto SPOOL_FORMAT_ERROR;
633 #ifndef COMPILE_UTILITY
634 DEBUG(D_deliver) debug_printf("recipients_count=%d\n", rcount);
635 #endif /* COMPILE_UTILITY */
637 recipients_list_max = rcount;
638 recipients_list = store_get(rcount * sizeof(recipient_item));
640 for (recipients_count = 0; recipients_count < rcount; recipients_count++)
645 uschar *orcpt = NULL;
646 uschar *errors_to = NULL;
649 if (Ufgets(big_buffer, big_buffer_size, f) == NULL) goto SPOOL_READ_ERROR;
650 nn = Ustrlen(big_buffer);
651 if (nn < 2) goto SPOOL_FORMAT_ERROR;
653 /* Remove the newline; this terminates the address if there is no additional
656 p = big_buffer + nn - 1;
659 /* Look back from the end of the line for digits and special terminators.
660 Since an address must end with a domain, we can tell that extra data is
661 present by the presence of the terminator, which is always some character
662 that cannot exist in a domain. (If I'd thought of the need for additional
663 data early on, I'd have put it at the start, with the address at the end. As
664 it is, we have to operate backwards. Addresses are permitted to contain
667 This code has to cope with various versions of this data that have evolved
668 over time. In all cases, the line might just contain an address, with no
669 additional data. Otherwise, the possibilities are as follows:
671 Exim 3 type: <address><space><digits>,<digits>,<digits>
673 The second set of digits is the parent number for one_time addresses. The
674 other values were remnants of earlier experiments that were abandoned.
676 Exim 4 first type: <address><space><digits>
678 The digits are the parent number for one_time addresses.
680 Exim 4 new type: <address><space><data>#<type bits>
682 The type bits indicate what the contents of the data are.
684 Bit 01 indicates that, reading from right to left, the data
685 ends with <errors_to address><space><len>,<pno> where pno is
686 the parent number for one_time addresses, and len is the length
687 of the errors_to address (zero meaning none).
689 Bit 02 indicates that, again reading from right to left, the data continues
690 with orcpt len(orcpt),dsn_flags
693 while (isdigit(*p)) p--;
695 /* Handle Exim 3 spool files */
700 while (isdigit(*(--p)) || *p == ',');
704 (void)sscanf(CS p, "%d,%d", &dummy, &pno);
708 /* Handle early Exim 4 spool files */
713 (void)sscanf(CS p, "%d", &pno);
716 /* Handle current format Exim 4 spool files */
722 #if !defined (COMPILE_UTILITY)
723 DEBUG(D_deliver) debug_printf("**** SPOOL_IN - Exim 4 standard format spoolfile\n");
726 (void)sscanf(CS p+1, "%d", &flags);
728 if ((flags & 0x01) != 0) /* one_time data exists */
731 while (isdigit(*(--p)) || *p == ',' || *p == '-');
732 (void)sscanf(CS p+1, "%d,%d", &len, &pno);
737 errors_to = string_copy(p);
741 *(--p) = 0; /* Terminate address */
742 if ((flags & 0x02) != 0) /* one_time data exists */
745 while (isdigit(*(--p)) || *p == ',' || *p == '-');
746 (void)sscanf(CS p+1, "%d,%d", &len, &dsn_flags);
751 orcpt = string_copy(p);
755 *(--p) = 0; /* Terminate address */
757 #if !defined(COMPILE_UTILITY)
759 { DEBUG(D_deliver) debug_printf("**** SPOOL_IN - No additional fields\n"); }
761 if ((orcpt != NULL) || (dsn_flags != 0))
763 DEBUG(D_deliver) debug_printf("**** SPOOL_IN - address: |%s| orcpt: |%s| dsn_flags: %d\n",
764 big_buffer, orcpt, dsn_flags);
766 if (errors_to != NULL)
768 DEBUG(D_deliver) debug_printf("**** SPOOL_IN - address: |%s| errorsto: |%s|\n",
769 big_buffer, errors_to);
773 recipients_list[recipients_count].address = string_copy(big_buffer);
774 recipients_list[recipients_count].pno = pno;
775 recipients_list[recipients_count].errors_to = errors_to;
776 recipients_list[recipients_count].orcpt = orcpt;
777 recipients_list[recipients_count].dsn_flags = dsn_flags;
780 /* The remainder of the spool header file contains the headers for the message,
781 separated off from the previous data by a blank line. Each header is preceded
782 by a count of its length and either a certain letter (for various identified
783 headers), space (for a miscellaneous live header) or an asterisk (for a header
784 that has been rewritten). Count the Received: headers. We read the headers
785 always, in order to check on the format of the file, but only create a header
786 list if requested to do so. */
789 if (Ufgets(big_buffer, big_buffer_size, f) == NULL) goto SPOOL_READ_ERROR;
790 if (big_buffer[0] != '\n') goto SPOOL_FORMAT_ERROR;
792 while ((n = fgetc(f)) != EOF)
798 if (!isdigit(n)) goto SPOOL_FORMAT_ERROR;
799 if(ungetc(n, f) == EOF || fscanf(f, "%d%c ", &n, flag) == EOF)
800 goto SPOOL_READ_ERROR;
801 if (flag[0] != '*') message_size += n; /* Omit non-transmitted headers */
805 h = store_get(sizeof(header_line));
809 h->text = store_get(n+1);
811 if (h->type == htype_received) received_count++;
813 if (header_list == NULL) header_list = h;
814 else header_last->next = h;
817 for (i = 0; i < n; i++)
820 if (c == 0 || c == EOF) goto SPOOL_FORMAT_ERROR;
821 if (c == '\n' && h->type != htype_old) message_linecount++;
827 /* Not requiring header data, just skip through the bytes */
829 else for (i = 0; i < n; i++)
832 if (c == 0 || c == EOF) goto SPOOL_FORMAT_ERROR;
836 /* We have successfully read the data in the header file. Update the message
837 line count by adding the body linecount to the header linecount. Close the file
838 and give a positive response. */
840 #ifndef COMPILE_UTILITY
841 DEBUG(D_deliver) debug_printf("body_linecount=%d message_linecount=%d\n",
842 body_linecount, message_linecount);
843 #endif /* COMPILE_UTILITY */
845 message_linecount += body_linecount;
848 return spool_read_OK;
851 /* There was an error reading the spool or there was missing data,
852 or there was a format error. A "read error" with no errno means an
853 unexpected EOF, which we treat as a format error. */
860 #ifndef COMPILE_UTILITY
861 DEBUG(D_any) debug_printf("Error while reading spool file %s\n", name);
862 #endif /* COMPILE_UTILITY */
866 return inheader? spool_read_hdrerror : spool_read_enverror;
871 #ifndef COMPILE_UTILITY
872 DEBUG(D_any) debug_printf("Format error in spool file %s\n", name);
873 #endif /* COMPILE_UTILITY */
876 errno = ERRNO_SPOOLFORMAT;
877 return inheader? spool_read_hdrerror : spool_read_enverror;
882 /* End of spool_in.c */