1 /*************************************************
2 * Exim - an Internet mail transport agent *
3 *************************************************/
5 /* Copyright (c) The Exim Maintainers 2020 - 2022 */
6 /* Copyright (c) University of Cambridge 1995 - 2018 */
7 /* See the file NOTICE for conditions of use and distribution. */
8 /* SPDX-License-Identifier: GPL-2.0-or-later */
12 #include "rf_functions.h"
17 /* Options specific to the redirect router. */
18 #define LOFF(field) OPT_OFF(redirect_router_options_block, field)
20 optionlist redirect_router_options[] = {
21 { "allow_defer", opt_bit | (RDON_DEFER << 16),
23 { "allow_fail", opt_bit | (RDON_FAIL << 16),
25 { "allow_filter", opt_bit | (RDON_FILTER << 16),
27 { "allow_freeze", opt_bit | (RDON_FREEZE << 16),
29 { "check_ancestor", opt_bool, LOFF(check_ancestor) },
30 { "check_group", opt_bool, LOFF(check_group) },
31 { "check_owner", opt_bool, LOFF(check_owner) },
32 { "data", opt_stringptr, LOFF(data) },
33 { "directory_transport",opt_stringptr, LOFF(directory_transport_name) },
34 { "file", opt_stringptr, LOFF(file) },
35 { "file_transport", opt_stringptr, LOFF(file_transport_name) },
37 { "filter_prepend_home",opt_bit | (RDON_PREPEND_HOME << 16),
39 { "forbid_blackhole", opt_bit | (RDON_BLACKHOLE << 16),
41 { "forbid_exim_filter", opt_bit | (RDON_EXIM_FILTER << 16),
43 { "forbid_file", opt_bool,
45 { "forbid_filter_dlfunc", opt_bit | (RDON_DLFUNC << 16),
47 { "forbid_filter_existstest", opt_bit | (RDON_EXISTS << 16),
49 { "forbid_filter_logwrite",opt_bit | (RDON_LOG << 16),
51 { "forbid_filter_lookup", opt_bit | (RDON_LOOKUP << 16),
53 { "forbid_filter_perl", opt_bit | (RDON_PERL << 16),
55 { "forbid_filter_readfile", opt_bit | (RDON_READFILE << 16),
57 { "forbid_filter_readsocket", opt_bit | (RDON_READSOCK << 16),
59 { "forbid_filter_reply",opt_bool,
60 LOFF(forbid_filter_reply) },
61 { "forbid_filter_run", opt_bit | (RDON_RUN << 16),
63 { "forbid_include", opt_bit | (RDON_INCLUDE << 16),
65 { "forbid_pipe", opt_bool,
67 { "forbid_sieve_filter",opt_bit | (RDON_SIEVE_FILTER << 16),
69 { "forbid_smtp_code", opt_bool,
70 LOFF(forbid_smtp_code) },
71 { "hide_child_in_errmsg", opt_bool,
72 LOFF( hide_child_in_errmsg) },
73 { "ignore_eacces", opt_bit | (RDON_EACCES << 16),
75 { "ignore_enotdir", opt_bit | (RDON_ENOTDIR << 16),
78 { "include_directory", opt_stringptr, LOFF( include_directory) },
79 { "modemask", opt_octint, LOFF(modemask) },
80 { "one_time", opt_bool, LOFF(one_time) },
81 { "owners", opt_uidlist, LOFF(owners) },
82 { "owngroups", opt_gidlist, LOFF(owngroups) },
83 { "pipe_transport", opt_stringptr, LOFF(pipe_transport_name) },
84 { "qualify_domain", opt_stringptr, LOFF(qualify_domain) },
85 { "qualify_preserve_domain", opt_bool, LOFF(qualify_preserve_domain) },
86 { "repeat_use", opt_bool | opt_public, OPT_OFF(router_instance, repeat_use) },
87 { "reply_transport", opt_stringptr, LOFF(reply_transport_name) },
89 { "rewrite", opt_bit | (RDON_REWRITE << 16),
92 { "sieve_enotify_mailto_owner", opt_stringptr, LOFF(sieve_enotify_mailto_owner) },
93 { "sieve_subaddress", opt_stringptr, LOFF(sieve_subaddress) },
94 { "sieve_useraddress", opt_stringptr, LOFF(sieve_useraddress) },
95 { "sieve_vacation_directory", opt_stringptr, LOFF(sieve_vacation_directory) },
96 { "skip_syntax_errors", opt_bool, LOFF(skip_syntax_errors) },
97 { "syntax_errors_text", opt_stringptr, LOFF(syntax_errors_text) },
98 { "syntax_errors_to", opt_stringptr, LOFF(syntax_errors_to) }
101 /* Size of the options list. An extern variable has to be used so that its
102 address can appear in the tables drtables.c. */
104 int redirect_router_options_count =
105 sizeof(redirect_router_options)/sizeof(optionlist);
111 redirect_router_options_block redirect_router_option_defaults = {0};
112 void redirect_router_init(router_instance *rblock) {}
113 int redirect_router_entry(router_instance *rblock, address_item *addr,
114 struct passwd *pw, int verify, address_item **addr_local,
115 address_item **addr_remote, address_item **addr_new,
116 address_item **addr_succeed) {return 0;}
118 #else /*!MACRO_PREDEF*/
122 /* Default private options block for the redirect router. */
124 redirect_router_options_block redirect_router_option_defaults = {
125 NULL, /* directory_transport */
126 NULL, /* file_transport */
127 NULL, /* pipe_transport */
128 NULL, /* reply_transport */
130 NULL, /* directory_transport_name */
133 NULL, /* file_transport_name */
134 NULL, /* include_directory */
135 NULL, /* pipe_transport_name */
136 NULL, /* reply_transport_name */
137 NULL, /* sieve_subaddress */
138 NULL, /* sieve_useraddress */
139 NULL, /* sieve_vacation_directory */
140 NULL, /* sieve_enotify_mailto_owner */
141 NULL, /* syntax_errors_text */
142 NULL, /* syntax_errors_to */
143 NULL, /* qualify_domain */
145 NULL, /* owngroups */
147 RDO_REWRITE | RDO_PREPEND_HOME, /* bit_options */
148 FALSE, /* check_ancestor */
149 TRUE_UNSET, /* check_owner */
150 TRUE_UNSET, /* check_group */
151 FALSE, /* forbid_file */
152 FALSE, /* forbid_filter_reply */
153 FALSE, /* forbid_pipe */
154 FALSE, /* forbid_smtp_code */
155 FALSE, /* hide_child_in_errmsg */
156 FALSE, /* one_time */
157 FALSE, /* qualify_preserve_domain */
158 FALSE /* skip_syntax_errors */
163 /*************************************************
164 * Initialization entry point *
165 *************************************************/
167 /* Called for each instance, after its options have been read, to enable
168 consistency checks to be done, or anything else that needs to be set up. */
170 void redirect_router_init(router_instance *rblock)
172 redirect_router_options_block *ob =
173 (redirect_router_options_block *)(rblock->options_block);
175 /* Either file or data must be set, but not both */
177 if ((ob->file == NULL) == (ob->data == NULL))
178 log_write(0, LOG_PANIC_DIE|LOG_CONFIG_FOR, "%s router:\n "
179 "%sone of \"file\" or \"data\" must be specified",
180 rblock->name, (ob->file == NULL)? "" : "only ");
182 /* Onetime aliases can only be real addresses. Headers can't be manipulated.
183 The combination of one_time and unseen is not allowed. We can't check the
184 expansion of "unseen" here, but we assume that if it is set to anything other
185 than false, there is likely to be a problem. */
189 ob->forbid_pipe = ob->forbid_file = ob->forbid_filter_reply = TRUE;
190 if (rblock->extra_headers || rblock->remove_headers)
191 log_write(0, LOG_PANIC_DIE|LOG_CONFIG_FOR, "%s router:\n "
192 "\"headers_add\" and \"headers_remove\" are not permitted with "
193 "\"one_time\"", rblock->name);
194 if (rblock->unseen || rblock->expand_unseen)
195 log_write(0, LOG_PANIC_DIE|LOG_CONFIG_FOR, "%s router:\n "
196 "\"unseen\" may not be used with \"one_time\"", rblock->name);
199 /* The defaults for check_owner and check_group depend on other settings. The
200 defaults are: Check the owner if check_local_user or owners is set; check the
201 group if check_local_user is set without a restriction on the group write bit,
202 or if owngroups is set. */
204 if (ob->check_owner == TRUE_UNSET)
205 ob->check_owner = rblock->check_local_user ||
206 (ob->owners && ob->owners[0] != 0);
208 if (ob->check_group == TRUE_UNSET)
209 ob->check_group = (rblock->check_local_user && (ob->modemask & 020) == 0) ||
210 (ob->owngroups != NULL && ob->owngroups[0] != 0);
212 /* If explicit qualify domain set, the preserve option is locked out */
214 if (ob->qualify_domain && ob->qualify_preserve_domain)
215 log_write(0, LOG_PANIC_DIE|LOG_CONFIG_FOR, "%s router:\n "
216 "only one of \"qualify_domain\" or \"qualify_preserve_domain\" must be set",
219 /* If allow_filter is set, either user or check_local_user must be set. */
221 if (!rblock->check_local_user &&
223 rblock->expand_uid == NULL &&
224 (ob->bit_options & RDO_FILTER) != 0)
225 log_write(0, LOG_PANIC_DIE|LOG_CONFIG_FOR, "%s router:\n "
226 "\"user\" or \"check_local_user\" must be set with \"allow_filter\"",
232 /*************************************************
233 * Get errors address and header mods *
234 *************************************************/
236 /* This function is called when new addresses are generated, in order to
237 sort out errors address and header modifications. We put the errors address
238 into the parent address (even though it is never used from there because that
239 address is never transported) so that it can be retrieved if any of the
240 children gets routed by an "unseen" router. The clone of the child that is
241 passed on must have the original errors_address value.
244 rblock the router control block
245 addr the address being routed
246 verify v_none/v_recipient/v_sender/v_expn
247 addr_prop point to the propagated block, which is where the
248 new values are to be placed
250 Returns: the result of rf_get_errors_address() or rf_get_munge_headers(),
251 which is either OK or DEFER
255 sort_errors_and_headers(router_instance *rblock, address_item *addr,
256 int verify, address_item_propagated *addr_prop)
258 int frc = rf_get_errors_address(addr, rblock, verify,
259 &addr_prop->errors_address);
260 if (frc != OK) return frc;
261 addr->prop.errors_address = addr_prop->errors_address;
262 return rf_get_munge_headers(addr, rblock, &addr_prop->extra_headers,
263 &addr_prop->remove_headers);
268 /*************************************************
269 * Process a set of generated new addresses *
270 *************************************************/
272 /* This function sets up a set of newly generated child addresses and puts them
273 on the new address chain. Copy in the uid, gid and permission flags for use by
274 pipes and files, set the parent, and "or" its af_ignore_error flag. Also record
275 the setting for any starting router.
277 If the generated address is the same as one of its ancestors, and the
278 check_ancestor flag is set, do not use this generated address, but replace it
279 with a copy of the input address. This is to cope with cases where A is aliased
280 to B and B has a .forward file pointing to A, though it is usually set on the
281 forwardfile rather than the aliasfile. We can't just pass on the old
282 address by returning FAIL, because it must act as a general parent for
283 generated addresses, and only get marked "done" when all its children are
288 addr_new new address chain
289 addr original address
290 generated list of generated addresses
291 addr_prop the propagated block, containing the errors_address,
292 header modification stuff, and address_data
293 ugidptr points to uid/gid data for files, pipes, autoreplies
294 pw password entry, set if ob->check_local_user is TRUE
300 add_generated(router_instance *rblock, address_item **addr_new,
301 address_item *addr, address_item *generated,
302 address_item_propagated *addr_prop, ugid_block *ugidptr, struct passwd *pw)
304 redirect_router_options_block *ob =
305 (redirect_router_options_block *)(rblock->options_block);
309 address_item * next = generated, * parent;
310 const uschar * errors_address = next->prop.errors_address;
312 generated = next->next;
314 next->start_router = rblock->redirect_router;
315 if (addr->child_count == USHRT_MAX)
316 log_write(0, LOG_MAIN|LOG_PANIC_DIE, "%s router generated more than %d "
317 "child addresses for <%s>", rblock->name, USHRT_MAX, addr->address);
320 next->next = *addr_new;
323 /* Don't do the "one_time" thing for the first pass of a 2-stage queue run. */
325 if (ob->one_time && !f.queue_2stage)
327 for (parent = addr; parent->parent; parent = parent->parent) ;
328 next->onetime_parent = parent->address;
331 if (ob->hide_child_in_errmsg) setflag(next, af_hide_child);
333 /* If check_ancestor is set, we want to know if any ancestor of this address
334 is the address we are about to generate. The check must be done caselessly
335 unless the ancestor was routed by a case-sensitive router. */
337 if (ob->check_ancestor)
338 for (parent = addr; parent; parent = parent->parent)
339 if ((parent->router && parent->router->caseful_local_part
340 ? Ustrcmp(next->address, parent->address)
341 : strcmpic(next->address, parent->address)
344 DEBUG(D_route) debug_printf("generated parent replaced by child\n");
345 next->address = string_copy(addr->address);
349 /* A user filter may, under some circumstances, set up an errors address.
350 If so, we must take care to re-instate it when we copy in the propagated
351 data so that it overrides any errors_to setting on the router. */
354 BOOL ignore_error = next->prop.ignore_error;
355 next->prop = *addr_prop;
356 next->prop.ignore_error = ignore_error || addr->prop.ignore_error;
358 if (errors_address) next->prop.errors_address = errors_address;
360 /* For pipes, files, and autoreplies, record this router as handling them,
361 because they don't go through the routing process again. Then set up uid,
362 gid, home and current directories for transporting. */
364 if (testflag(next, af_pfr))
366 next->router = rblock;
367 rf_set_ugid(next, ugidptr); /* Will contain pw values if not overridden */
369 /* When getting the home directory out of the password information, wrap it
370 in \N...\N to avoid expansion later. In Cygwin, home directories can
371 contain $ characters. */
373 if (rblock->home_directory)
374 next->home_dir = rblock->home_directory;
375 else if (rblock->check_local_user)
376 next->home_dir = string_sprintf("\\N%s\\N", pw->pw_dir);
377 else if (rblock->router_home_directory && testflag(addr, af_home_expanded))
379 next->home_dir = deliver_home;
380 setflag(next, af_home_expanded);
383 next->current_dir = rblock->current_directory;
385 /* Permission options */
387 if (!ob->forbid_pipe) setflag(next, af_allow_pipe);
388 if (!ob->forbid_file) setflag(next, af_allow_file);
389 if (!ob->forbid_filter_reply) setflag(next, af_allow_reply);
391 /* If the transport setting fails, the error gets picked up at the outer
392 level from the setting of basic_errno in the address. */
394 if (next->address[0] == '|')
396 address_pipe = next->address;
397 GET_OPTION("pipe_transport");
398 if (rf_get_transport(ob->pipe_transport_name, &ob->pipe_transport,
399 next, rblock->name, US"pipe_transport"))
400 next->transport = ob->pipe_transport;
403 else if (next->address[0] == '>')
405 GET_OPTION("reply_transport");
406 if (rf_get_transport(ob->reply_transport_name, &ob->reply_transport,
407 next, rblock->name, US"reply_transport"))
408 next->transport = ob->reply_transport;
410 else /* must be file or directory */
412 int len = Ustrlen(next->address);
413 address_file = next->address;
414 if (next->address[len-1] == '/')
416 GET_OPTION("directory_transport");
417 if (rf_get_transport(ob->directory_transport_name,
418 &(ob->directory_transport), next, rblock->name,
419 US"directory_transport"))
420 next->transport = ob->directory_transport;
424 GET_OPTION("file_transport");
425 if (rf_get_transport(ob->file_transport_name, &ob->file_transport,
426 next, rblock->name, US"file_transport"))
427 next->transport = ob->file_transport;
435 if (!next->prop.utf8_msg)
436 next->prop.utf8_msg = string_is_utf8(next->address)
437 || (sender_address && string_is_utf8(sender_address));
442 debug_printf("%s router generated %s\n %serrors_to=%s transport=%s\n",
445 testflag(next, af_pfr)? "pipe, file, or autoreply\n " : "",
446 next->prop.errors_address,
447 (next->transport == NULL)? US"NULL" : next->transport->name);
449 if (testflag(next, af_uid_set))
450 debug_printf(" uid=%ld ", (long int)(next->uid));
452 debug_printf(" uid=unset ");
454 if (testflag(next, af_gid_set))
455 debug_printf("gid=%ld ", (long int)(next->gid));
457 debug_printf("gid=unset ");
460 if (next->prop.utf8_msg) debug_printf("utf8 ");
463 debug_printf("home=%s\n", next->home_dir);
469 /*************************************************
471 *************************************************/
473 /* See local README for interface description. This router returns:
476 . empty address list, or filter did nothing significant
479 . verifying the errors address caused a deferment or a big disaster such
480 as an expansion failure (rf_get_errors_address)
481 . expanding a headers_{add,remove} string caused a deferment or another
482 expansion error (rf_get_munge_headers)
483 . :defer: or "freeze" in a filter
484 . error in address list or filter
485 . skipped syntax errors, but failed to send the message
488 . address was :blackhole:d or "seen finish"ed
494 . new addresses added to addr_new
497 int redirect_router_entry(
498 router_instance *rblock, /* data for this instantiation */
499 address_item *addr, /* address we are working on */
500 struct passwd *pw, /* passwd entry after check_local_user */
501 int verify, /* v_none/v_recipient/v_sender/v_expn */
502 address_item **addr_local, /* add it to this if it's local */
503 address_item **addr_remote, /* add it to this if it's remote */
504 address_item **addr_new, /* put new addresses on here */
505 address_item **addr_succeed) /* put old address here on success */
507 redirect_router_options_block *ob =
508 (redirect_router_options_block *)(rblock->options_block);
509 address_item *generated = NULL;
510 const uschar *save_qualify_domain_recipient = qualify_domain_recipient;
511 uschar *discarded = US"discarded";
512 address_item_propagated addr_prop;
513 error_block *eblock = NULL;
515 redirect_block redirect;
516 int filtertype = FILTER_UNSET;
518 int options = ob->bit_options;
522 /* Initialize the data to be propagated to the children */
524 addr_prop.address_data = deliver_address_data;
525 addr_prop.domain_data = deliver_domain_data;
526 addr_prop.localpart_data = deliver_localpart_data;
527 addr_prop.errors_address = NULL;
528 addr_prop.extra_headers = NULL;
529 addr_prop.remove_headers = NULL;
530 addr_prop.variables = NULL;
531 tree_dup((tree_node **)&addr_prop.variables, addr->prop.variables);
534 addr_prop.utf8_msg = addr->prop.utf8_msg;
535 addr_prop.utf8_downcvt = addr->prop.utf8_downcvt;
536 addr_prop.utf8_downcvt_maybe = addr->prop.utf8_downcvt_maybe;
540 /* When verifying and testing addresses, the "logwrite" command in filters
543 if (verify == v_none && !f.address_test_mode) options |= RDO_REALLOG;
545 /* Sort out the fixed or dynamic uid/gid. This uid is used (a) for reading the
546 file (and interpreting a filter) and (b) for running the transports for
547 generated file and pipe addresses. It is not (necessarily) the same as the uids
548 that may own the file. Exim panics if an expanded string is not a number and
549 can't be found in the password file. Other errors set the freezing bit. */
551 if (!rf_get_ugid(rblock, addr, &ugid)) return DEFER;
553 if (!ugid.uid_set && pw != NULL)
555 ugid.uid = pw->pw_uid;
559 if (!ugid.gid_set && pw != NULL)
561 ugid.gid = pw->pw_gid;
565 /* Call the function that interprets redirection data, either inline or from a
566 file. This is a separate function so that the system filter can use it. It will
567 run the function in a subprocess if necessary. If qualify_preserve_domain is
568 set, temporarily reset qualify_domain_recipient to the current domain so that
569 any unqualified addresses get qualified with the same domain as the incoming
570 address. Otherwise, if a local qualify_domain is provided, set that up. */
572 if (ob->qualify_preserve_domain)
573 qualify_domain_recipient = addr->domain;
576 GET_OPTION("qualify_domain");
577 if (ob->qualify_domain)
579 uschar *new_qdr = rf_expand_data(addr, ob->qualify_domain, &xrc);
580 if (!new_qdr) return xrc;
581 qualify_domain_recipient = new_qdr;
585 redirect.owners = ob->owners;
586 redirect.owngroups = ob->owngroups;
587 redirect.modemask = ob->modemask;
588 redirect.check_owner = ob->check_owner;
589 redirect.check_group = ob->check_group;
592 redirect.string = (redirect.isfile = (ob->file != NULL))
593 ? ob->file : ob->data;
595 frc = rda_interpret(&redirect, options, ob->include_directory,
596 ob->sieve_vacation_directory, ob->sieve_enotify_mailto_owner,
597 ob->sieve_useraddress, ob->sieve_subaddress, &ugid, &generated,
598 &addr->message, ob->skip_syntax_errors? &eblock : NULL, &filtertype,
599 string_sprintf("%s router (recipient is %s)", rblock->name, addr->address));
601 qualify_domain_recipient = save_qualify_domain_recipient;
603 /* Handle exceptional returns from filtering or processing an address list.
604 For FAIL and FREEZE we honour any previously set up deliveries by a filter. */
609 addr->message = addr->user_message = NULL;
613 DEBUG(D_route) debug_printf("address :blackhole:d\n");
615 discarded = US":blackhole:";
619 /* FF_DEFER and FF_FAIL can arise only as a result of explicit commands
620 (:defer: or :fail: in an alias file or "fail" in a filter). If a configured
621 message was supplied, allow it to be included in an SMTP response after
622 verifying. Remove any SMTP code if it is not allowed. */
629 if ((xrc = sort_errors_and_headers(rblock, addr, verify, &addr_prop)) != OK)
631 add_generated(rblock, addr_new, addr, generated, &addr_prop, &ugid, pw);
636 addr->message = yield == FAIL ? US"forced rejection" : US"forced defer";
640 if ( ob->forbid_smtp_code
641 && regex_match(regex_smtp_code, addr->message, -1, &matched))
643 DEBUG(D_route) debug_printf("SMTP code at start of error message "
644 "is ignored because forbid_smtp_code is set\n");
645 addr->message += Ustrlen(matched);
647 addr->user_message = addr->message;
648 setflag(addr, af_pass_message);
652 /* As in the case of a system filter, a freeze does not happen after a manual
653 thaw. In case deliveries were set up by the filter, we set the child count
654 high so that their completion does not mark the original address done. */
657 if (!f.deliver_manual_thaw)
659 if ((xrc = sort_errors_and_headers(rblock, addr, verify, &addr_prop))
661 add_generated(rblock, addr_new, addr, generated, &addr_prop, &ugid, pw);
662 if (addr->message == NULL) addr->message = US"frozen by filter";
663 addr->special_action = SPECIAL_FREEZE;
664 addr->child_count = 9999;
667 frc = FF_NOTDELIVERED;
670 /* Handle syntax errors and :include: failures and lookup defers */
675 /* If filtertype is still FILTER_UNSET, it means that the redirection data
676 was never inspected, so the error was an expansion failure or failure to open
677 the file, or whatever. In these cases, the existing error message is probably
680 if (filtertype == FILTER_UNSET) return DEFER;
682 /* If it was a filter and skip_syntax_errors is set, we want to set up
683 the error message so that it can be logged and mailed to somebody. */
685 if (filtertype != FILTER_FORWARD && ob->skip_syntax_errors)
687 eblock = store_get(sizeof(error_block), GET_UNTAINTED);
689 eblock->text1 = addr->message;
690 eblock->text2 = NULL;
691 addr->message = addr->user_message = NULL;
694 /* Otherwise set up the error for the address and defer. */
698 addr->basic_errno = ERRNO_BADREDIRECT;
699 addr->message = string_sprintf("error in %s %s: %s",
700 filtertype == FILTER_FORWARD ? "redirect" : "filter",
701 ob->data ? "data" : "file",
708 /* Yield is either FF_DELIVERED (significant action) or FF_NOTDELIVERED (no
709 significant action). Before dealing with these, however, we must handle the
710 effect of skip_syntax_errors.
712 If skip_syntax_errors was set and there were syntax errors in an address list,
713 error messages will be present in eblock. Log them and send a message if so
714 configured. We cannot do this earlier, because the error message must not be
715 sent as the local user. If there were no valid addresses, generated will be
716 NULL. In this case, the router declines.
718 For a filter file, the error message has been fudged into an eblock. After
719 dealing with it, the router declines. */
723 if (!moan_skipped_syntax_errors(
724 rblock->name, /* For message content */
726 (verify != v_none || f.address_test_mode)?
727 NULL : ob->syntax_errors_to, /* Who to mail */
728 generated != NULL, /* True if not all failed */
729 ob->syntax_errors_text)) /* Custom message */
732 if (filtertype != FILTER_FORWARD || generated == NULL)
734 addr->message = US"syntax error in redirection data";
739 /* Sort out the errors address and any header modifications, and handle the
740 generated addresses, if any. If there are no generated addresses, we must avoid
741 calling sort_errors_and_headers() in case this router declines - that function
742 may modify the errors_address field in the current address, and we don't want
743 to do that for a decline. */
745 if (generated != NULL)
747 if ((xrc = sort_errors_and_headers(rblock, addr, verify, &addr_prop)) != OK)
749 add_generated(rblock, addr_new, addr, generated, &addr_prop, &ugid, pw);
752 /* FF_DELIVERED with no generated addresses is what we get when an address list
753 contains :blackhole: or a filter contains "seen finish" without having
754 generated anything. Log what happened to this address, and return DISCARD. */
756 if (frc == FF_DELIVERED)
758 if (generated == NULL && verify == v_none && !f.address_test_mode)
760 log_write(0, LOG_MAIN, "=> %s <%s> R=%s", discarded, addr->address,
766 /* For an address list, FF_NOTDELIVERED always means that no addresses were
767 generated. For a filter, addresses may or may not have been generated. If none
768 were, it's the same as an empty address list, and the router declines. However,
769 if addresses were generated, we can't just decline because successful delivery
770 of the base address gets it marked "done", so deferred generated addresses
771 never get tried again. We have to generate a new version of the base address,
772 as if there were a "deliver" command in the filter file, with the original
773 address as parent. */
779 if (generated == NULL) return DECLINE;
781 next = deliver_make_addr(addr->address, FALSE);
784 next->next = *addr_new;
787 /* Set the data that propagates. */
789 next->prop = addr_prop;
791 DEBUG(D_route) debug_printf("%s router autogenerated %s\n%s%s%s",
794 (addr_prop.errors_address != NULL)? " errors to " : "",
795 (addr_prop.errors_address != NULL)? addr_prop.errors_address : US"",
796 (addr_prop.errors_address != NULL)? "\n" : "");
799 /* Control gets here only when the address has been completely handled. Put the
800 original address onto the succeed queue so that any retry items that get
801 attached to it get processed. */
803 addr->next = *addr_succeed;
804 *addr_succeed = addr;
809 #endif /*!MACRO_PREDEF*/
810 /* End of routers/redirect.c */