-/* $Cambridge: exim/src/src/deliver.c,v 1.21 2005/06/28 10:23:35 ph10 Exp $ */
+/* $Cambridge: exim/src/src/deliver.c,v 1.31 2006/04/20 14:11:29 ph10 Exp $ */
/*************************************************
* Exim - an Internet mail transport agent *
*************************************************/
-/* Copyright (c) University of Cambridge 1995 - 2005 */
+/* Copyright (c) University of Cambridge 1995 - 2006 */
/* See the file NOTICE for conditions of use and distribution. */
/* The main code for delivering a message. */
}
/* For multiple addresses, don't set local part, and leave the domain and
-self_hostname set only if it is the same for all of them. */
+self_hostname set only if it is the same for all of them. It is possible to
+have multiple pipe and file addresses, but only when all addresses have routed
+to the same pipe or file. */
else
{
address_item *addr2;
+ if (testflag(addr, af_pfr))
+ {
+ if (testflag(addr, af_file)) address_file = addr->local_part;
+ else if (addr->local_part[0] == '|') address_pipe = addr->local_part;
+ }
for (addr2 = addr->next; addr2 != NULL; addr2 = addr2->next)
{
if (deliver_domain != NULL &&
}
}
+/* If the transport did not set a group, see if the router did. */
+
+if (!gid_set && testflag(addr, af_gid_set))
+ {
+ *gidp = addr->gid;
+ gid_set = TRUE;
+ }
+
/* Pick up a uid from the transport if one is set. */
if (tp->uid_set) *uidp = tp->uid;
}
}
-/* Otherwise see if the address specifies the uid and if so, take its
-initgroups flag. The gid from the address is taken only if the transport hasn't
-set it. In other words, a gid on the transport overrides the gid on the
-address. */
+/* Otherwise see if the address specifies the uid and if so, take it and its
+initgroups flag. */
else if (testflag(addr, af_uid_set))
{
*uidp = addr->uid;
*igfp = testflag(addr, af_initgroups);
- if (!gid_set)
- {
- *gidp = addr->gid;
- gid_set = TRUE;
- }
}
/* Nothing has specified the uid - default to the Exim user, and group if the
}
}
-/* If no gid is set, it is a disaster. */
+/* If no gid is set, it is a disaster. We default to the Exim gid only if
+defaulting to the Exim uid. In other words, if the configuration has specified
+a uid, it must also provide a gid. */
if (!gid_set)
{
+/******************************************************
+* Check for a given header in a header string *
+******************************************************/
+
+/* This function is used when generating quota warnings. The configuration may
+specify any header lines it likes in quota_warn_message. If certain of them are
+missing, defaults are inserted, so we need to be able to test for the presence
+of a given header.
+
+Arguments:
+ hdr the required header name
+ hstring the header string
+
+Returns: TRUE the header is in the string
+ FALSE the header is not in the string
+*/
+
+static BOOL
+contains_header(uschar *hdr, uschar *hstring)
+{
+int len = Ustrlen(hdr);
+uschar *p = hstring;
+while (*p != 0)
+ {
+ if (strncmpic(p, hdr, len) == 0)
+ {
+ p += len;
+ while (*p == ' ' || *p == '\t') p++;
+ if (*p == ':') return TRUE;
+ }
+ while (*p != 0 && *p != '\n') p++;
+ if (*p == '\n') p++;
+ }
+return FALSE;
+}
+
+
+
/*************************************************
* Perform a local delivery *
if (addr->transport->setup != NULL)
{
- switch((addr->transport->setup)(addr->transport, addr, NULL,
+ switch((addr->transport->setup)(addr->transport, addr, NULL, uid, gid,
&(addr->message)))
{
case DEFER:
if (pid > 0)
{
FILE *f = fdopen(fd, "wb");
-
- if (errors_reply_to != NULL)
+ if (errors_reply_to != NULL &&
+ !contains_header(US"Reply-To", warn_message))
fprintf(f, "Reply-To: %s\n", errors_reply_to);
- fprintf(f, "Auto-Submitted: auto-generated\n");
- fprintf(f, "From: Mail Delivery System <Mailer-Daemon@%s>\n",
- qualify_domain_sender);
+ fprintf(f, "Auto-Submitted: auto-replied\n");
+ if (!contains_header(US"From", warn_message))
+ fprintf(f, "From: Mail Delivery System <Mailer-Daemon@%s>\n",
+ qualify_domain_sender);
fprintf(f, "%s", CS warn_message);
/* Close and wait for child process to complete, without a timeout. */
disable_logging = tp->disable_logging;
- /* Check for batched addresses and possible amalgamation. File deliveries can
- never be batched. Skip all the work if either batch_max <= 1 or there aren't
- any other addresses for local delivery. */
+ /* Check for batched addresses and possible amalgamation. Skip all the work
+ if either batch_max <= 1 or there aren't any other addresses for local
+ delivery. */
- if (!testflag(addr, af_file) && tp->batch_max > 1 && addr_local != NULL)
+ if (tp->batch_max > 1 && addr_local != NULL)
{
int batch_count = 1;
BOOL uses_dom = readconf_depends((driver_instance *)tp, US"domain");
- BOOL uses_lp = readconf_depends((driver_instance *)tp, US"local_part");
+ BOOL uses_lp = (testflag(addr, af_pfr) &&
+ (testflag(addr, af_file) || addr->local_part[0] == '|')) ||
+ readconf_depends((driver_instance *)tp, US"local_part");
uschar *batch_id = NULL;
address_item **anchor = &addr_local;
address_item *last = addr;
same transport
not previously delivered (see comment about 50 lines above)
same local part if the transport's configuration contains $local_part
+ or if this is a file or pipe delivery from a redirection
same domain if the transport's configuration contains $domain
same errors address
same additional headers
BOOL ok =
tp == next->transport &&
!previously_transported(next, TRUE) &&
+ (addr->flags & (af_pfr|af_file)) == (next->flags & (af_pfr|af_file)) &&
(!uses_lp || Ustrcmp(next->local_part, addr->local_part) == 0) &&
(!uses_dom || Ustrcmp(next->domain, addr->domain) == 0) &&
same_strings(next->p.errors_address, addr->p.errors_address) &&
DEBUG(D_retry)
{
- debug_printf("retry record exists: age=%d (max=%d)\n",
- (int)(now - retry_record->time_stamp), retry_data_expire);
- debug_printf(" time to retry = %d expired = %d\n",
- (int)(now - retry_record->next_try), retry_record->expired);
+ debug_printf("retry record exists: age=%s ",
+ readconf_printtime(now - retry_record->time_stamp));
+ debug_printf("(max %s)\n", readconf_printtime(retry_data_expire));
+ debug_printf(" time to retry = %s expired = %d\n",
+ readconf_printtime(retry_record->next_try - now),
+ retry_record->expired);
}
if (queue_running && !deliver_force)
for (last_rule = retry->rules;
last_rule->next != NULL;
last_rule = last_rule->next);
+ DEBUG(D_deliver|D_retry)
+ debug_printf("now=%d received_time=%d diff=%d timeout=%d\n",
+ (int)now, received_time, (int)now - received_time,
+ last_rule->timeout);
if (now - received_time > last_rule->timeout) ok = TRUE;
}
- else ok = TRUE; /* No rule => timed out */
+ else
+ {
+ DEBUG(D_deliver|D_retry)
+ debug_printf("no retry rule found: assume timed out\n");
+ ok = TRUE; /* No rule => timed out */
+ }
DEBUG(D_deliver|D_retry)
{
else return_path = new_return_path;
}
+ /* Find the uid, gid, and use_initgroups setting for this transport. Failure
+ logs and sets up error messages, so we just post-process and continue with
+ the next address. */
+
+ if (!findugid(addr, tp, &uid, &gid, &use_initgroups))
+ {
+ remote_post_process(addr, LOG_MAIN|LOG_PANIC, NULL, fallback);
+ continue;
+ }
+
/* If this transport has a setup function, call it now so that it gets
run in this process and not in any subprocess. That way, the results of
- any setup that are retained by the transport can be reusable. */
+ any setup that are retained by the transport can be reusable. One of the
+ things the setup does is to set the fallback host lists in the addresses.
+ That is why it is called at this point, before the continue delivery
+ processing, because that might use the fallback hosts. */
if (tp->setup != NULL)
- (void)((tp->setup)(addr->transport, addr, NULL, NULL));
+ (void)((tp->setup)(addr->transport, addr, NULL, uid, gid, NULL));
/* If this is a run to continue delivery down an already-established
channel, check that this set of addresses matches the transport and
transport_filter_argv = NULL;
- /* Find the uid, gid, and use_initgroups setting for this transport. Failure
- logs and sets up error messages, so we just post-process and continue with
- the next address. */
-
- if (!findugid(addr, tp, &uid, &gid, &use_initgroups))
- {
- remote_post_process(addr, LOG_MAIN|LOG_PANIC, NULL, fallback);
- continue;
- }
-
/* Create the pipe for inter-process communication. If pipe creation
fails, it is probably because the value of remote_max_parallel is so
large that too many file descriptors for pipes have been created. Arrange
position must be set before calling.
This function used always to print the error. Nowadays we want to restrict it
-to cases such as SMTP errors from a remote host, and errors from :fail: and
-filter "fail". We no longer pass other information willy-nilly in bounce and
-warning messages. Text in user_message is always output; text in message only
-if the af_pass_message flag is set.
+to cases such as LMTP/SMTP errors from a remote host, and errors from :fail:
+and filter "fail". We no longer pass other information willy-nilly in bounce
+and warning messages. Text in user_message is always output; text in message
+only if the af_pass_message flag is set.
Arguments:
addr the address
f the FILE to print on
- s some leading text
+ t some leading text
Returns: nothing
*/
print_address_error(address_item *addr, FILE *f, uschar *t)
{
int count = Ustrlen(t);
-uschar *s = (addr->user_message != NULL)? addr->user_message : addr->message;
+uschar *s = testflag(addr, af_pass_message)? addr->message : NULL;
-if (addr->user_message != NULL)
- s = addr->user_message;
-else
+if (s == NULL)
{
- if (!testflag(addr, af_pass_message) || addr->message == NULL) return;
- s = addr->message;
+ if (addr->user_message != NULL) s = addr->user_message; else return;
}
fprintf(f, "\n %s", t);
if (testflag(addr, af_pfr))
{
- int offset = testflag(addr->parent, af_homonym)? 3:0;
+ /* If an autoreply in a filter could not generate a syntactically valid
+ address, give up forthwith. Set af_ignore_error so that we don't try to
+ generate a bounce. */
+
+ if (testflag(addr, af_bad_reply))
+ {
+ addr->basic_errno = ERRNO_BADADDRESS2;
+ addr->local_part = addr->address;
+ addr->message =
+ US"filter autoreply generated syntactically invalid recipient";
+ setflag(addr, af_ignore_error);
+ (void)post_process_one(addr, FAIL, LOG_MAIN, DTYPE_ROUTER, 0);
+ continue; /* with the next new address */
+ }
/* If two different users specify delivery to the same pipe or file or
autoreply, there should be two different deliveries, so build a unique
duplicate testing and recording delivery, and also for retrying. */
addr->unique =
- string_sprintf("%s:%s", addr->address, addr->parent->unique + offset);
+ string_sprintf("%s:%s", addr->address, addr->parent->unique +
+ (testflag(addr->parent, af_homonym)? 3:0));
addr->address_retry_key = addr->domain_retry_key =
string_sprintf("T:%s", addr->unique);
handle fallback transports are figured out, this section can be put into a loop
for handling fallbacks, though the uid switching will have to be revised. */
+/* Precompile a regex that is used to recognize a parameter in response
+to an LHLO command, if is isn't already compiled. This may be used on both
+local and remote LMTP deliveries. */
+
+if (regex_IGNOREQUOTA == NULL) regex_IGNOREQUOTA =
+ regex_must_compile(US"\\n250[\\s\\-]IGNOREQUOTA(\\s|\\n|$)", FALSE, TRUE);
+
+/* Handle local deliveries */
+
if (addr_local != NULL)
{
DEBUG(D_deliver|D_transport)
if (errors_reply_to != NULL)
fprintf(f, "Reply-To: %s\n", errors_reply_to);
- fprintf(f, "Auto-Submitted: auto-generated\n");
+ fprintf(f, "Auto-Submitted: auto-replied\n");
fprintf(f, "From: Mail Delivery System <Mailer-Daemon@%s>\n",
qualify_domain_sender);
fprintf(f, "To: %s\n", bounce_recipient);
if (errors_reply_to != NULL)
fprintf(f, "Reply-To: %s\n", errors_reply_to);
- fprintf(f, "Auto-Submitted: auto-generated\n");
+ fprintf(f, "Auto-Submitted: auto-replied\n");
fprintf(f, "From: Mail Delivery System <Mailer-Daemon@%s>\n",
qualify_domain_sender);
fprintf(f, "To: %s\n", recipients);