* Exim - an Internet mail transport agent *
*************************************************/
-/* Copyright (c) University of Cambridge 1995 - 2009 */
+/* Copyright (c) University of Cambridge 1995 - 2014 */
/* See the file NOTICE for conditions of use and distribution. */
/* The main code for delivering a message. */
+static uschar *
+d_hostlog(uschar * s, int * sizep, int * ptrp, address_item * addr)
+{
+ s = string_append(s, sizep, ptrp, 5, US" H=", addr->host_used->name,
+ US" [", addr->host_used->address, US"]");
+ if ((log_extra_selector & LX_outgoing_port) != 0)
+ s = string_append(s, sizep, ptrp, 2, US":", string_sprintf("%d",
+ addr->host_used->port));
+ return s;
+}
+
+#ifdef SUPPORT_TLS
+static uschar *
+d_tlslog(uschar * s, int * sizep, int * ptrp, address_item * addr)
+{
+ if ((log_extra_selector & LX_tls_cipher) != 0 && addr->cipher != NULL)
+ s = string_append(s, sizep, ptrp, 2, US" X=", addr->cipher);
+ if ((log_extra_selector & LX_tls_certificate_verified) != 0 &&
+ addr->cipher != NULL)
+ s = string_append(s, sizep, ptrp, 2, US" CV=",
+ testflag(addr, af_cert_verified)? "yes":"no");
+ if ((log_extra_selector & LX_tls_peerdn) != 0 && addr->peerdn != NULL)
+ s = string_append(s, sizep, ptrp, 3, US" DN=\"",
+ string_printing(addr->peerdn), US"\"");
+ return s;
+}
+#endif
+
/* If msg is NULL this is a delivery log and logchar is used. Otherwise
-this is a nonstandard call; no two-characher delivery flag is written
+this is a nonstandard call; no two-character delivery flag is written
but sender-host and sender are prefixed and "msg" is inserted in the log line.
Arguments:
have a pointer to the host item that succeeded; local deliveries can have a
pointer to a single host item in their host list, for use by the transport. */
+#ifdef EXPERIMENTAL_TPDA
+ tpda_delivery_ip = NULL; /* presume no successful remote delivery */
+ tpda_delivery_port = 0;
+ tpda_delivery_fqdn = NULL;
+ tpda_delivery_local_part = NULL;
+ tpda_delivery_domain = NULL;
+ tpda_delivery_confirmation = NULL;
+#endif
+
s = reset_point = store_get(size);
log_address = string_log_address(addr, (log_write_selector & L_all_parents) != 0, TRUE);
if (addr->transport->info->local)
{
if (addr->host_list != NULL)
+ {
s = string_append(s, &size, &ptr, 2, US" H=", addr->host_list->name);
+ #ifdef EXPERIMENTAL_TPDA
+ tpda_delivery_fqdn = addr->host_list->name;
+ #endif
+ }
if (addr->shadow_message != NULL)
s = string_cat(s, &size, &ptr, addr->shadow_message,
Ustrlen(addr->shadow_message));
{
if (addr->host_used != NULL)
{
- s = string_append(s, &size, &ptr, 5, US" H=", addr->host_used->name,
- US" [", addr->host_used->address, US"]");
- if ((log_extra_selector & LX_outgoing_port) != 0)
- s = string_append(s, &size, &ptr, 2, US":", string_sprintf("%d",
- addr->host_used->port));
+ s = d_hostlog(s, &size, &ptr, addr);
if (continue_sequence > 1)
s = string_cat(s, &size, &ptr, US"*", 1);
+
+ #ifdef EXPERIMENTAL_TPDA
+ tpda_delivery_ip = addr->host_used->address;
+ tpda_delivery_port = addr->host_used->port;
+ tpda_delivery_fqdn = addr->host_used->name;
+ tpda_delivery_local_part = addr->local_part;
+ tpda_delivery_domain = addr->domain;
+ tpda_delivery_confirmation = addr->message;
+ #endif
}
#ifdef SUPPORT_TLS
- if ((log_extra_selector & LX_tls_cipher) != 0 && addr->cipher != NULL)
- s = string_append(s, &size, &ptr, 2, US" X=", addr->cipher);
- if ((log_extra_selector & LX_tls_certificate_verified) != 0 &&
- addr->cipher != NULL)
- s = string_append(s, &size, &ptr, 2, US" CV=",
- testflag(addr, af_cert_verified)? "yes":"no");
- if ((log_extra_selector & LX_tls_peerdn) != 0 && addr->peerdn != NULL)
- s = string_append(s, &size, &ptr, 3, US" DN=\"",
- string_printing(addr->peerdn), US"\"");
+ s = d_tlslog(s, &size, &ptr, addr);
#endif
- if (smtp_authenticated)
- {
- s = string_append(s, &size, &ptr, 2, US" A=", client_authenticator);
- if (client_authenticated_id)
- s = string_append(s, &size, &ptr, 2, US":", client_authenticated_id);
- }
-
- if ((log_extra_selector & LX_smtp_confirmation) != 0 &&
- addr->message != NULL)
+ if (addr->authenticator)
{
- int i;
- uschar *p = big_buffer;
- uschar *ss = addr->message;
- *p++ = '\"';
- for (i = 0; i < 100 && ss[i] != 0; i++)
+ s = string_append(s, &size, &ptr, 2, US" A=", addr->authenticator);
+ if (addr->auth_id)
{
- if (ss[i] == '\"' || ss[i] == '\\') *p++ = '\\';
- *p++ = ss[i];
+ s = string_append(s, &size, &ptr, 2, US":", addr->auth_id);
+ if (log_extra_selector & LX_smtp_mailauth && addr->auth_sndr)
+ s = string_append(s, &size, &ptr, 2, US":", addr->auth_sndr);
}
- *p++ = '\"';
- *p = 0;
- s = string_append(s, &size, &ptr, 2, US" C=", big_buffer);
}
+
+ #ifdef EXPERIMENTAL_PRDR
+ if (addr->flags & af_prdr_used)
+ s = string_append(s, &size, &ptr, 1, US" PRDR");
+ #endif
+ }
+
+/* confirmation message (SMTP (host_used) and LMTP (driver_name)) */
+
+if ((log_extra_selector & LX_smtp_confirmation) != 0 &&
+ addr->message != NULL &&
+ ((addr->host_used != NULL) || (Ustrcmp(addr->transport->driver_name, "lmtp") == 0)))
+ {
+ int i;
+ uschar *p = big_buffer;
+ uschar *ss = addr->message;
+ *p++ = '\"';
+ for (i = 0; i < 100 && ss[i] != 0; i++)
+ {
+ if (ss[i] == '\"' || ss[i] == '\\') *p++ = '\\';
+ *p++ = ss[i];
+ }
+ *p++ = '\"';
+ *p = 0;
+ s = string_append(s, &size, &ptr, 2, US" C=", big_buffer);
}
/* Time on queue and actual time taken to deliver */
s[ptr] = 0;
log_write(0, flags, "%s", s);
+
+#ifdef EXPERIMENTAL_TPDA
+if (addr->transport->tpda_delivery_action)
+ {
+ DEBUG(D_deliver)
+ debug_printf(" TPDA(Delivery): tpda_deliver_action=|%s| tpda_delivery_IP=%s\n",
+ addr->transport->tpda_delivery_action, tpda_delivery_ip);
+
+ router_name = addr->router->name;
+ transport_name = addr->transport->name;
+ if (!expand_string(addr->transport->tpda_delivery_action) && *expand_string_message)
+ log_write(0, LOG_MAIN|LOG_PANIC, "failed to expand tpda_deliver_action in %s: %s\n",
+ transport_name, expand_string_message);
+ router_name = NULL;
+ transport_name = NULL;
+ }
+#endif
store_reset(reset_point);
return;
}
if (((Ustrstr(addr->message, "failed to expand") != NULL) || (Ustrstr(addr->message, "expansion of ") != NULL)) &&
(Ustrstr(addr->message, "mysql") != NULL ||
Ustrstr(addr->message, "pgsql") != NULL ||
+#ifdef EXPERIMENTAL_REDIS
+ Ustrstr(addr->message, "redis") != NULL ||
+#endif
Ustrstr(addr->message, "sqlite") != NULL ||
Ustrstr(addr->message, "ldap:") != NULL ||
Ustrstr(addr->message, "ldapdn:") != NULL ||
if (used_return_path != NULL &&
(log_extra_selector & LX_return_path_on_delivery) != 0)
- {
s = string_append(s, &size, &ptr, 3, US" P=<", used_return_path, US">");
- }
if (addr->router != NULL)
s = string_append(s, &size, &ptr, 2, US" R=", addr->router->name);
s = string_append(s, &size, &ptr, 2, US" T=", addr->transport->name);
if (addr->host_used != NULL)
- s = string_append(s, &size, &ptr, 5, US" H=", addr->host_used->name,
- US" [", addr->host_used->address, US"]");
+ s = d_hostlog(s, &size, &ptr, addr);
+
+ #ifdef SUPPORT_TLS
+ s = d_tlslog(s, &size, &ptr, addr);
+ #endif
if (addr->basic_errno > 0)
s = string_append(s, &size, &ptr, 2, US": ",
set_process_info("delivering %s to %s using %s", message_id,
addr->local_part, addr->transport->name);
+ /* Setting this global in the subprocess means we need never clear it */
+ transport_name = addr->transport->name;
+
/* If a transport filter has been specified, set up its argument list.
Any errors will get put into the address, and FALSE yielded. */
int i;
int local_part_length = Ustrlen(addr2->local_part);
uschar *s;
+ int ret;
- (void)write(pfd[pipe_write], (void *)&(addr2->transport_return), sizeof(int));
- (void)write(pfd[pipe_write], (void *)&transport_count, sizeof(transport_count));
- (void)write(pfd[pipe_write], (void *)&(addr2->flags), sizeof(addr2->flags));
- (void)write(pfd[pipe_write], (void *)&(addr2->basic_errno), sizeof(int));
- (void)write(pfd[pipe_write], (void *)&(addr2->more_errno), sizeof(int));
- (void)write(pfd[pipe_write], (void *)&(addr2->special_action), sizeof(int));
- (void)write(pfd[pipe_write], (void *)&(addr2->transport),
- sizeof(transport_instance *));
+ if( (ret = write(pfd[pipe_write], (void *)&(addr2->transport_return), sizeof(int))) != sizeof(int)
+ || (ret = write(pfd[pipe_write], (void *)&transport_count, sizeof(transport_count))) != sizeof(transport_count)
+ || (ret = write(pfd[pipe_write], (void *)&(addr2->flags), sizeof(addr2->flags))) != sizeof(addr2->flags)
+ || (ret = write(pfd[pipe_write], (void *)&(addr2->basic_errno), sizeof(int))) != sizeof(int)
+ || (ret = write(pfd[pipe_write], (void *)&(addr2->more_errno), sizeof(int))) != sizeof(int)
+ || (ret = write(pfd[pipe_write], (void *)&(addr2->special_action), sizeof(int))) != sizeof(int)
+ || (ret = write(pfd[pipe_write], (void *)&(addr2->transport),
+ sizeof(transport_instance *))) != sizeof(transport_instance *)
/* For a file delivery, pass back the local part, in case the original
was only part of the final delivery path. This gives more complete
logging. */
- if (testflag(addr2, af_file))
- {
- (void)write(pfd[pipe_write], (void *)&local_part_length, sizeof(int));
- (void)write(pfd[pipe_write], addr2->local_part, local_part_length);
- }
+ || (testflag(addr2, af_file)
+ && ( (ret = write(pfd[pipe_write], (void *)&local_part_length, sizeof(int))) != sizeof(int)
+ || (ret = write(pfd[pipe_write], addr2->local_part, local_part_length)) != local_part_length
+ )
+ )
+ )
+ log_write(0, LOG_MAIN|LOG_PANIC, "Failed writing transport results to pipe: %s\n",
+ ret == -1 ? strerror(errno) : "short write");
/* Now any messages */
for (i = 0, s = addr2->message; i < 2; i++, s = addr2->user_message)
{
int message_length = (s == NULL)? 0 : Ustrlen(s) + 1;
- (void)write(pfd[pipe_write], (void *)&message_length, sizeof(int));
- if (message_length > 0) (void)write(pfd[pipe_write], s, message_length);
+ if( (ret = write(pfd[pipe_write], (void *)&message_length, sizeof(int))) != sizeof(int)
+ || (message_length > 0 && (ret = write(pfd[pipe_write], s, message_length)) != message_length)
+ )
+ log_write(0, LOG_MAIN|LOG_PANIC, "Failed writing transport results to pipe: %s\n",
+ ret == -1 ? strerror(errno) : "short write");
}
}
to do, which is for the ultimate address timeout. */
if (!ok)
- {
- retry_config *retry =
- retry_find_config(retry_key+2, addr2->domain,
- retry_record->basic_errno,
- retry_record->more_errno);
-
- DEBUG(D_deliver|D_retry)
- {
- debug_printf("retry time not reached for %s: "
- "checking ultimate address timeout\n", addr2->address);
- debug_printf(" now=%d first_failed=%d next_try=%d expired=%d\n",
- (int)now, (int)retry_record->first_failed,
- (int)retry_record->next_try, retry_record->expired);
- }
-
- if (retry != NULL && retry->rules != NULL)
- {
- retry_rule *last_rule;
- for (last_rule = retry->rules;
- last_rule->next != NULL;
- last_rule = last_rule->next);
- DEBUG(D_deliver|D_retry)
- debug_printf(" received_time=%d diff=%d timeout=%d\n",
- received_time, (int)now - received_time, last_rule->timeout);
- if (now - received_time > last_rule->timeout) ok = TRUE;
- }
- 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)
- {
- if (ok) debug_printf("on queue longer than maximum retry for "
- "address - allowing delivery\n");
- }
- }
+ ok = retry_ultimate_address_timeout(retry_key, addr2->domain,
+ retry_record, now);
}
}
else DEBUG(D_retry) debug_printf("no retry record exists\n");
switch (*ptr++)
{
case '1':
- smtp_authenticated = TRUE;
- client_authenticator = (*ptr)? string_copy(ptr) : NULL;
+ addr->authenticator = (*ptr)? string_copy(ptr) : NULL;
break;
case '2':
- client_authenticated_id = (*ptr)? string_copy(ptr) : NULL;
+ addr->auth_id = (*ptr)? string_copy(ptr) : NULL;
+ break;
+ case '3':
+ addr->auth_sndr = (*ptr)? string_copy(ptr) : NULL;
break;
}
while (*ptr++);
break;
+#ifdef EXPERIMENTAL_PRDR
+ case 'P':
+ addr->flags |= af_prdr_used; break;
+#endif
+
case 'A':
if (addr == NULL)
{
+static void
+rmt_dlv_checked_write(int fd, void * buf, int size)
+{
+int ret = write(fd, buf, size);
+if(ret != size)
+ log_write(0, LOG_MAIN|LOG_PANIC_DIE, "Failed writing transport result to pipe: %s\n",
+ ret == -1 ? strerror(errno) : "short write");
+}
+
/*************************************************
* Do remote deliveries *
*************************************************/
deliver_set_expansions(addr);
+ /* Ensure any transport-set auth info is fresh */
+ addr->authenticator = addr->auth_id = addr->auth_sndr = NULL;
+
/* Compute the return path, expanding a new one if required. The old one
must be set first, as it might be referred to in the expansion. */
int fd = pfd[pipe_write];
host_item *h;
- /* There are weird circumstances in which logging is disabled */
+ /* Setting this global in the subprocess means we need never clear it */
+ transport_name = tp->name;
+ /* There are weird circumstances in which logging is disabled */
disable_logging = tp->disable_logging;
/* Show pids on debug output if parallelism possible */
{
if (h->address == NULL || h->status < hstatus_unusable) continue;
sprintf(CS big_buffer, "H%c%c%s", h->status, h->why, h->address);
- (void)write(fd, big_buffer, Ustrlen(big_buffer+3) + 4);
+ rmt_dlv_checked_write(fd, big_buffer, Ustrlen(big_buffer+3) + 4);
}
/* The number of bytes written. This is the same for each address. Even
big_buffer[0] = 'S';
memcpy(big_buffer+1, &transport_count, sizeof(transport_count));
- (void)write(fd, big_buffer, sizeof(transport_count) + 1);
+ rmt_dlv_checked_write(fd, big_buffer, sizeof(transport_count) + 1);
/* Information about what happened to each address. Four item types are
used: an optional 'X' item first, for TLS information, then an optional "C"
sprintf(CS ptr, "%.512s", addr->peerdn);
while(*ptr++);
}
- (void)write(fd, big_buffer, ptr - big_buffer);
+ rmt_dlv_checked_write(fd, big_buffer, ptr - big_buffer);
}
#endif
ptr = big_buffer;
sprintf(CS big_buffer, "C1%.64s", client_authenticator);
while(*ptr++);
- (void)write(fd, big_buffer, ptr - big_buffer);
+ rmt_dlv_checked_write(fd, big_buffer, ptr - big_buffer);
}
if (client_authenticated_id)
{
ptr = big_buffer;
sprintf(CS big_buffer, "C2%.64s", client_authenticated_id);
while(*ptr++);
- (void)write(fd, big_buffer, ptr - big_buffer);
+ rmt_dlv_checked_write(fd, big_buffer, ptr - big_buffer);
+ }
+ if (client_authenticated_sender)
+ {
+ ptr = big_buffer;
+ sprintf(CS big_buffer, "C3%.64s", client_authenticated_sender);
+ while(*ptr++);
+ rmt_dlv_checked_write(fd, big_buffer, ptr - big_buffer);
}
+ #ifdef EXPERIMENTAL_PRDR
+ if (addr->flags & af_prdr_used) rmt_dlv_checked_write(fd, "P", 1);
+ #endif
+
/* Retry information: for most success cases this will be null. */
for (r = addr->retries; r != NULL; r = r->next)
sprintf(CS ptr, "%.512s", r->message);
while(*ptr++);
}
- (void)write(fd, big_buffer, ptr - big_buffer);
+ rmt_dlv_checked_write(fd, big_buffer, ptr - big_buffer);
}
/* The rest of the information goes in an 'A' item. */
memcpy(ptr, &(addr->host_used->port), sizeof(addr->host_used->port));
ptr += sizeof(addr->host_used->port);
}
- (void)write(fd, big_buffer, ptr - big_buffer);
+ rmt_dlv_checked_write(fd, big_buffer, ptr - big_buffer);
}
/* Add termination flag, close the pipe, and that's it. The character
big_buffer[0] = 'Z';
big_buffer[1] = (continue_transport == NULL)? '0' : '1';
- (void)write(fd, big_buffer, 2);
+ rmt_dlv_checked_write(fd, big_buffer, 2);
(void)close(fd);
exit(EXIT_SUCCESS);
}
will be far too many attempts for an address that gets a 4xx error. In
fact, after such an error, we should not get here because, the host should
not be remembered as one this message needs. However, there was a bug that
- used to cause this to happen, so it is best to be on the safe side. */
+ used to cause this to happen, so it is best to be on the safe side.
+
+ Even if we haven't reached the retry time in the hints, there is one more
+ check to do, which is for the ultimate address timeout. We only do this
+ check if there is an address retry record and there is not a domain retry
+ record; this implies that previous attempts to handle the address had the
+ retry_use_local_parts option turned on. We use this as an approximation
+ for the destination being like a local delivery, for example delivery over
+ LMTP to an IMAP message store. In this situation users are liable to bump
+ into their quota and thereby have intermittently successful deliveries,
+ which keep the retry record fresh, which can lead to us perpetually
+ deferring messages. */
else if (((queue_running && !deliver_force) || continue_hostname != NULL)
&&
||
(address_retry_record != NULL &&
now < address_retry_record->next_try))
- )
+ &&
+ (domain_retry_record != NULL ||
+ address_retry_record == NULL ||
+ !retry_ultimate_address_timeout(addr->address_retry_key,
+ addr->domain, address_retry_record, now)))
{
addr->message = US"retry time not reached";
addr->basic_errno = ERRNO_RRETRY;
that the mode is correct - the group setting doesn't always seem to get
set automatically. */
- (void)fcntl(journal_fd, F_SETFD, fcntl(journal_fd, F_GETFD) | FD_CLOEXEC);
- (void)fchown(journal_fd, exim_uid, exim_gid);
- (void)fchmod(journal_fd, SPOOL_MODE);
+ if( fcntl(journal_fd, F_SETFD, fcntl(journal_fd, F_GETFD) | FD_CLOEXEC)
+ || fchown(journal_fd, exim_uid, exim_gid)
+ || fchmod(journal_fd, SPOOL_MODE)
+ )
+ {
+ int ret = Uunlink(spoolname);
+ log_write(0, LOG_MAIN|LOG_PANIC, "Couldn't set perms on journal file %s: %s",
+ spoolname, strerror(errno));
+ if(ret && errno != ENOENT)
+ log_write(0, LOG_MAIN|LOG_PANIC_DIE, "failed to unlink %s: %s",
+ spoolname, strerror(errno));
+ return DELIVER_NOT_ATTEMPTED;
+ }
}
+
/* Now we can get down to the business of actually doing deliveries. Local
deliveries are done first, then remote ones. If ever the problems of how to
handle fallback transports are figured out, this section can be put into a loop
regex_must_compile(US"\\n250[\\s\\-]STARTTLS(\\s|\\n|$)", FALSE, TRUE);
#endif
+ #ifdef EXPERIMENTAL_PRDR
+ if (regex_PRDR == NULL) regex_PRDR =
+ regex_must_compile(US"\\n250[\\s\\-]PRDR(\\s|\\n|$)", FALSE, TRUE);
+ #endif
+
/* Now sort the addresses if required, and do the deliveries. The yield of
do_remote_deliveries is FALSE when mua_wrapper is set and all addresses
cannot be delivered in one transaction. */
return final_yield;
}
+/* vi: aw ai sw=2
+*/
/* End of deliver.c */