-/* $Cambridge: exim/src/src/deliver.c,v 1.14 2005/04/28 13:06:32 ph10 Exp $ */
-
/*************************************************
* Exim - an Internet mail transport agent *
*************************************************/
-/* Copyright (c) University of Cambridge 1995 - 2005 */
+/* Copyright (c) University of Cambridge 1995 - 2014 */
/* 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 (fd >= 0)
{
- fcntl(fd, F_SETFD, fcntl(fd, F_GETFD) | FD_CLOEXEC);
+ (void)fcntl(fd, F_SETFD, fcntl(fd, F_GETFD) | FD_CLOEXEC);
if (fchown(fd, exim_uid, exim_gid) < 0)
{
*error = US"chown";
{
if (Ustrcmp(addr->unique, dup->unique) == 0)
{
- tree_add_nonrecipient(dup->address);
+ tree_add_nonrecipient(dup->unique);
child_done(dup, now);
}
}
+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-character delivery flag is written
+but sender-host and sender are prefixed and "msg" is inserted in the log line.
+
+Arguments:
+ flags passed to log_write()
+*/
+void
+delivery_log(int flags, address_item * addr, int logchar, uschar * msg)
+{
+uschar *log_address;
+int size = 256; /* Used for a temporary, */
+int ptr = 0; /* expanding buffer, for */
+uschar *s; /* building log lines; */
+void *reset_point; /* released afterwards. */
+
+
+/* Log the delivery on the main log. We use an extensible string to build up
+the log line, and reset the store afterwards. Remote deliveries should always
+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 (msg)
+ s = string_append(s, &size, &ptr, 3, host_and_ident(TRUE), US" ", log_address);
+else
+ {
+ s[ptr++] = logchar;
+ s = string_append(s, &size, &ptr, 2, US"> ", log_address);
+ }
+
+if ((log_extra_selector & LX_sender_on_delivery) != 0 || msg)
+ s = string_append(s, &size, &ptr, 3, US" F=<", sender_address, US">");
+
+#ifdef EXPERIMENTAL_SRS
+if(addr->p.srs_sender)
+ s = string_append(s, &size, &ptr, 3, US" SRS=<", addr->p.srs_sender, US">");
+#endif
+
+/* You might think that the return path must always be set for a successful
+delivery; indeed, I did for some time, until this statement crashed. The case
+when it is not set is for a delivery to /dev/null which is optimised by not
+being run at all. */
+
+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 (msg)
+ s = string_append(s, &size, &ptr, 2, US" ", msg);
+
+/* For a delivery from a system filter, there may not be a router */
+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 ((log_extra_selector & LX_delivery_size) != 0)
+ s = string_append(s, &size, &ptr, 2, US" S=",
+ string_sprintf("%d", transport_count));
+
+/* Local delivery */
+
+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));
+ }
+
+/* Remote delivery */
+
+else
+ {
+ if (addr->host_used != NULL)
+ {
+ 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
+ s = d_tlslog(s, &size, &ptr, addr);
+ #endif
+
+ if (addr->authenticator)
+ {
+ s = string_append(s, &size, &ptr, 2, US" A=", addr->authenticator);
+ if (addr->auth_id)
+ {
+ 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);
+ }
+ }
+
+ #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 */
+
+if ((log_extra_selector & LX_queue_time) != 0)
+ {
+ s = string_append(s, &size, &ptr, 2, US" QT=",
+ readconf_printtime(time(NULL) - received_time));
+ }
+
+if ((log_extra_selector & LX_deliver_time) != 0)
+ {
+ s = string_append(s, &size, &ptr, 2, US" DT=",
+ readconf_printtime(addr->more_errno));
+ }
+
+/* string_cat() always leaves room for the terminator. Release the
+store we used to build the line after writing it. */
+
+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;
+}
+
+
+
/*************************************************
* Actions at the end of handling an address *
*************************************************/
if (addr->message != NULL)
{
addr->message = string_printing(addr->message);
- if (Ustrstr(addr->message, "failed to expand") != NULL &&
- (Ustrstr(addr->message, "ldap:") != NULL ||
+ 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 ||
Ustrstr(addr->message, "ldapm:") != NULL))
{
- uschar *p = Ustrstr(addr->message, "pass=");
- if (p != NULL)
- {
- p += 5;
- while (*p != 0 && !isspace(*p)) *p++ = 'x';
- }
+ addr->message = string_sprintf("Temporary internal error");
}
}
{
BOOL return_output = FALSE;
struct stat statbuf;
- fsync(addr->return_file);
+ (void)EXIMfsync(addr->return_file);
/* If there is no output, do nothing. */
log_write(0, LOG_MAIN, "<%s>: %s transport output: %s",
addr->address, tb->name, s);
}
- fclose(f);
+ (void)fclose(f);
}
}
addr->return_file = -1;
}
- close(addr->return_file);
+ (void)close(addr->return_file);
}
-/* Create the address string for logging. Must not do this earlier, because
-an OK result may be changed to FAIL when a pipe returns text. */
-
-log_address = string_log_address(addr,
- (log_write_selector & L_all_parents) != 0, result == OK);
-
/* The sucess case happens only after delivery by a transport. */
if (result == OK)
child_done(addr, now);
}
- /* Log the delivery on the main log. We use an extensible string to build up
- the log line, and reset the store afterwards. Remote deliveries should always
- 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. */
-
- s = reset_point = store_get(size);
- s[ptr++] = logchar;
-
- s = string_append(s, &size, &ptr, 2, US"> ", log_address);
-
- if ((log_extra_selector & LX_sender_on_delivery) != 0)
- s = string_append(s, &size, &ptr, 3, US" F=<", sender_address, US">");
-
- /* You might think that the return path must always be set for a successful
- delivery; indeed, I did for some time, until this statement crashed. The case
- when it is not set is for a delivery to /dev/null which is optimised by not
- being run at all. */
-
- 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">");
-
- /* For a delivery from a system filter, there may not be a router */
-
- 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 ((log_extra_selector & LX_delivery_size) != 0)
- s = string_append(s, &size, &ptr, 2, US" S=",
- string_sprintf("%d", transport_count));
-
- /* Local delivery */
-
- if (addr->transport->info->local)
- {
- if (addr->host_list != NULL)
- s = string_append(s, &size, &ptr, 2, US" H=", addr->host_list->name);
- if (addr->shadow_message != NULL)
- s = string_cat(s, &size, &ptr, addr->shadow_message,
- Ustrlen(addr->shadow_message));
- }
-
- /* Remote delivery */
-
- else
- {
- 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));
- if (continue_sequence > 1)
- s = string_cat(s, &size, &ptr, US"*", 1);
- }
-
- #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=\"", addr->peerdn, US"\"");
- #endif
-
- if ((log_extra_selector & LX_smtp_confirmation) != 0 &&
- addr->message != NULL)
- {
- 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 */
-
- if ((log_extra_selector & LX_queue_time) != 0)
- {
- s = string_append(s, &size, &ptr, 2, US" QT=",
- readconf_printtime(time(NULL) - received_time));
- }
-
- if ((log_extra_selector & LX_deliver_time) != 0)
- {
- s = string_append(s, &size, &ptr, 2, US" DT=",
- readconf_printtime(addr->more_errno));
- }
-
- /* string_cat() always leaves room for the terminator. Release the
- store we used to build the line after writing it. */
-
- s[ptr] = 0;
- log_write(0, LOG_MAIN, "%s", s);
- store_reset(reset_point);
+ delivery_log(LOG_MAIN, addr, logchar, NULL);
}
log. */
s = reset_point = store_get(size);
+
+ /* Create the address string for logging. Must not do this earlier, because
+ an OK result may be changed to FAIL when a pipe returns text. */
+
+ log_address = string_log_address(addr,
+ (log_write_selector & L_all_parents) != 0, result == OK);
+
s = string_cat(s, &size, &ptr, log_address, Ustrlen(log_address));
/* Either driver_name contains something and driver_kind contains
/* Build up the log line for the message and main logs */
s = reset_point = store_get(size);
+
+ /* Create the address string for logging. Must not do this earlier, because
+ an OK result may be changed to FAIL when a pipe returns text. */
+
+ log_address = string_log_address(addr,
+ (log_write_selector & L_all_parents) != 0, result == OK);
+
s = string_cat(s, &size, &ptr, log_address, Ustrlen(log_address));
if ((log_extra_selector & LX_sender_on_delivery) != 0)
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": ",
va_start(ap, format);
if (!string_vformat(buffer, sizeof(buffer), CS format, ap))
log_write(0, LOG_MAIN|LOG_PANIC_DIE,
- "common_error expansion was longer than %d", sizeof(buffer));
+ "common_error expansion was longer than " SIZE_T_FMT, sizeof(buffer));
va_end(ap);
addr->message = string_copy(buffer);
}
}
}
+/* 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)
{
int size_limit;
deliver_set_expansions(addr);
-size_limit = expand_string_integer(tp->message_size_limit);
+size_limit = expand_string_integer(tp->message_size_limit, TRUE);
deliver_set_expansions(NULL);
-if (size_limit < 0)
+if (expand_string_message != NULL)
{
rc = DEFER;
if (size_limit == -1)
+/******************************************************
+* 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 *
/* Set up the return path from the errors or sender address. If the transport
has its own return path setting, expand it and replace the existing value. */
-return_path = (addr->p.errors_address != NULL)?
- addr->p.errors_address : sender_address;
+if(addr->p.errors_address != NULL)
+ return_path = addr->p.errors_address;
+#ifdef EXPERIMENTAL_SRS
+else if(addr->p.srs_sender != NULL)
+ return_path = addr->p.srs_sender;
+#endif
+else
+ return_path = sender_address;
if (tp->return_path != NULL)
{
if (!findugid(addr, tp, &uid, &gid, &use_initgroups)) return;
-/* See if either the transport or the address specifies a home and/or a current
-working directory. Expand it if necessary. If nothing is set, use "/", for the
-working directory, which is assumed to be a directory to which all users have
-access. It is necessary to be in a visible directory for some operating systems
-when running pipes, as some commands (e.g. "rm" under Solaris 2.5) require
-this. */
+/* See if either the transport or the address specifies a home directory. A
+home directory set in the address may already be expanded; a flag is set to
+indicate that. In other cases we must expand it. */
-deliver_home = (tp->home_dir != NULL)? tp->home_dir :
- (addr->home_dir != NULL)? addr->home_dir : NULL;
-
-if (deliver_home != NULL && !testflag(addr, af_home_expanded))
+if ((deliver_home = tp->home_dir) != NULL || /* Set in transport, or */
+ ((deliver_home = addr->home_dir) != NULL && /* Set in address and */
+ !testflag(addr, af_home_expanded))) /* not expanded */
{
uschar *rawhome = deliver_home;
deliver_home = NULL; /* in case it contains $home */
}
}
-working_directory = (tp->current_dir != NULL)? tp->current_dir :
- (addr->current_dir != NULL)? addr->current_dir : NULL;
+/* See if either the transport or the address specifies a current directory,
+and if so, expand it. If nothing is set, use the home directory, unless it is
+also unset in which case use "/", which is assumed to be a directory to which
+all users have access. It is necessary to be in a visible directory for some
+operating systems when running pipes, as some commands (e.g. "rm" under Solaris
+2.5) require this. */
+
+working_directory = (tp->current_dir != NULL)?
+ tp->current_dir : addr->current_dir;
if (working_directory != NULL)
{
HP-UX doesn't have RLIMIT_CORE; I don't know how to do this in that
system. Some experimental/developing systems (e.g. GNU/Hurd) may define
RLIMIT_CORE but not support it in setrlimit(). For such systems, do not
- complain if the error is "not supported". */
+ complain if the error is "not supported".
+
+ There are two scenarios where changing the max limit has an effect. In one,
+ the user is using a .forward and invoking a command of their choice via pipe;
+ for these, we do need the max limit to be 0 unless the admin chooses to
+ permit an increased limit. In the other, the command is invoked directly by
+ the transport and is under administrator control, thus being able to raise
+ the limit aids in debugging. So there's no general always-right answer.
+
+ Thus we inhibit core-dumps completely but let individual transports, while
+ still root, re-raise the limits back up to aid debugging. We make the
+ default be no core-dumps -- few enough people can use core dumps in
+ diagnosis that it's reasonable to make them something that has to be explicitly requested.
+ */
#ifdef RLIMIT_CORE
struct rlimit rl;
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:
half - for transports that exec things (e.g. pipe). Then set the required
gid/uid. */
- close(pfd[pipe_read]);
- fcntl(pfd[pipe_write], F_SETFD, fcntl(pfd[pipe_write], F_GETFD) |
+ (void)close(pfd[pipe_read]);
+ (void)fcntl(pfd[pipe_write], F_SETFD, fcntl(pfd[pipe_write], F_GETFD) |
FD_CLOEXEC);
exim_setugid(uid, gid, use_initgroups,
string_sprintf("local delivery to %s <%s> transport=%s", addr->local_part,
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;
- write(pfd[pipe_write], (void *)&(addr2->transport_return), sizeof(int));
- write(pfd[pipe_write], (void *)&transport_count, sizeof(transport_count));
- write(pfd[pipe_write], (void *)&(addr2->flags), sizeof(addr2->flags));
- write(pfd[pipe_write], (void *)&(addr2->basic_errno), sizeof(int));
- write(pfd[pipe_write], (void *)&(addr2->more_errno), sizeof(int));
- write(pfd[pipe_write], (void *)&(addr2->special_action), sizeof(int));
- 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))
- {
- write(pfd[pipe_write], (void *)&local_part_length, sizeof(int));
- 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;
- write(pfd[pipe_write], (void *)&message_length, sizeof(int));
- if (message_length > 0) 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");
}
}
/* OK, this process is now done. Free any cached resources that it opened,
and close the pipe we were writing down before exiting. */
- close(pfd[pipe_write]);
+ (void)close(pfd[pipe_write]);
search_tidyup();
exit(EXIT_SUCCESS);
}
overwriting the address structure. If data is missing, the default DEFER status
will remain. Afterwards, close the reading end. */
-close(pfd[pipe_write]);
+(void)close(pfd[pipe_write]);
for (addr2 = addr; addr2 != NULL; addr2 = addr2->next)
{
}
}
-close(pfd[pipe_read]);
+(void)close(pfd[pipe_read]);
/* Unless shadowing, write all successful addresses immediately to the journal
file, to ensure they are recorded asap. For homonymic addresses, use the base
/* Ensure the journal file is pushed out to disk. */
- if (fsync(journal_fd) < 0)
+ if (EXIMfsync(journal_fd) < 0)
log_write(0, LOG_MAIN|LOG_PANIC, "failed to fsync journal: %s",
strerror(errno));
}
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)) moan_write_from(f);
fprintf(f, "%s", CS warn_message);
/* Close and wait for child process to complete, without a timeout. */
- fclose(f);
+ (void)fclose(f);
(void)child_close(pid, 0);
}
}
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)
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);
-
- if (retry != NULL && retry->rules != NULL)
- {
- retry_rule *last_rule;
- for (last_rule = retry->rules;
- last_rule->next != NULL;
- last_rule = last_rule->next);
- if (now - received_time > last_rule->timeout) ok = TRUE;
- }
- else 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");
break;
#endif
+ case 'C': /* client authenticator information */
+ switch (*ptr++)
+ {
+ case '1':
+ addr->authenticator = (*ptr)? string_copy(ptr) : NULL;
+ break;
+ case '2':
+ 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)
{
/* Close our end of the pipe, to prevent deadlock if the far end is still
pushing stuff into it. */
-close(fd);
+(void)close(fd);
p->fd = -1;
/* If we have finished without error, but haven't had data for every address,
+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. */
- return_path = (addr->p.errors_address != NULL)?
- addr->p.errors_address : sender_address;
+ if(addr->p.errors_address != NULL)
+ return_path = addr->p.errors_address;
+#ifdef EXPERIMENTAL_SRS
+ else if(addr->p.srs_sender != NULL)
+ return_path = addr->p.srs_sender;
+#endif
+ else
+ return_path = sender_address;
if (tp->return_path != NULL)
{
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
distinguishes between EOF and no-more-data. */
#ifdef O_NONBLOCK
- fcntl(pfd[pipe_read], F_SETFL, O_NONBLOCK);
+ (void)fcntl(pfd[pipe_read], F_SETFL, O_NONBLOCK);
#else
- fcntl(pfd[pipe_read], F_SETFL, O_NDELAY);
+ (void)fcntl(pfd[pipe_read], F_SETFL, O_NDELAY);
#endif
/* If the maximum number of subprocesses already exist, wait for a process
if (poffset >= remote_max_parallel)
{
- close(pfd[pipe_write]);
- close(pfd[pipe_read]);
+ (void)close(pfd[pipe_write]);
+ (void)close(pfd[pipe_read]);
remote_post_process(addr, LOG_MAIN|LOG_PANIC,
US"Unexpectedly no free subprocess slot", fallback);
continue;
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 */
a new process that may be forked to do another delivery down the same
SMTP connection. */
- fcntl(fd, F_SETFD, fcntl(fd, F_GETFD) | FD_CLOEXEC);
+ (void)fcntl(fd, F_SETFD, fcntl(fd, F_GETFD) | FD_CLOEXEC);
/* Close open file descriptors for the pipes of other processes
that are running in parallel. */
for (poffset = 0; poffset < remote_max_parallel; poffset++)
- if (parlist[poffset].pid != 0) close(parlist[poffset].fd);
+ if (parlist[poffset].pid != 0) (void)close(parlist[poffset].fd);
/* This process has inherited a copy of the file descriptor
for the data file, but its file pointer is shared with all the
the parent process. There doesn't seem to be any way of doing
a dup-with-new-file-pointer. */
- close(deliver_datafile);
+ (void)close(deliver_datafile);
sprintf(CS spoolname, "%s/input/%s/%s-D", spool_directory, message_subdir,
message_id);
deliver_datafile = Uopen(spoolname, O_RDWR | O_APPEND, 0);
/* Set the close-on-exec flag */
- fcntl(deliver_datafile, F_SETFD, fcntl(deliver_datafile, F_GETFD) |
+ (void)fcntl(deliver_datafile, F_SETFD, fcntl(deliver_datafile, F_GETFD) |
FD_CLOEXEC);
/* Set the uid/gid of this process; bombs out on failure. */
and run the transport. Afterwards, transport_count will contain the number
of bytes written. */
- close(pfd[pipe_read]);
+ (void)close(pfd[pipe_read]);
set_process_info("delivering %s using %s", message_id, tp->name);
debug_print_string(tp->debug_string);
if (!(tp->info->code)(addr->transport, addr)) replicate_status(addr);
{
if (h->address == NULL || h->status < hstatus_unusable) continue;
sprintf(CS big_buffer, "H%c%c%s", h->status, h->why, h->address);
- 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));
- 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. Three item types are
- used: an optional 'X' item first, for TLS information, followed by 'R'
- items for any retry settings, and finally an 'A' item for the remaining
- data. */
+ /* Information about what happened to each address. Four item types are
+ used: an optional 'X' item first, for TLS information, then an optional "C"
+ item for any client-auth info followed by 'R' items for any retry settings,
+ and finally an 'A' item for the remaining data. */
for(; addr != NULL; addr = addr->next)
{
/* The certificate verification status goes into the flags */
- if (tls_certificate_verified) setflag(addr, af_cert_verified);
+ if (tls_out.certificate_verified) setflag(addr, af_cert_verified);
/* Use an X item only if there's something to send */
if (addr->cipher != NULL)
{
ptr = big_buffer;
- *ptr++ = 'X';
- sprintf(CS ptr, "%.128s", addr->cipher);
+ sprintf(CS ptr, "X%.128s", addr->cipher);
while(*ptr++);
if (addr->peerdn == NULL) *ptr++ = 0; else
{
sprintf(CS ptr, "%.512s", addr->peerdn);
while(*ptr++);
}
- write(fd, big_buffer, ptr - big_buffer);
+ rmt_dlv_checked_write(fd, big_buffer, ptr - big_buffer);
}
#endif
+ if (client_authenticator)
+ {
+ ptr = big_buffer;
+ sprintf(CS big_buffer, "C1%.64s", client_authenticator);
+ while(*ptr++);
+ 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++);
+ 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++);
}
- 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);
}
- 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';
- write(fd, big_buffer, 2);
- close(fd);
+ rmt_dlv_checked_write(fd, big_buffer, 2);
+ (void)close(fd);
exit(EXIT_SUCCESS);
}
/* Back in the mainline: close the unwanted half of the pipe. */
- close(pfd[pipe_write]);
+ (void)close(pfd[pipe_write]);
/* Fork failed; defer with error message */
if (pid < 0)
{
- close(pfd[pipe_read]);
+ (void)close(pfd[pipe_read]);
remote_post_process(addr, LOG_MAIN|LOG_PANIC,
string_sprintf("fork failed for remote delivery to %s: %s",
addr->domain, strerror(errno)), fallback);
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);
/* This function was introduced when the test for duplicate addresses that are
not pipes, files, or autoreplies was moved from the middle of routing to when
routing was complete. That was to fix obscure cases when the routing history
-affects the subsequent routing of identical addresses. If that change has to be
-reversed, this function is no longer needed. For a while, the old code that was
-affected by this change is commented with !!!OLD-DE-DUP!!! so it can be found
-easily.
+affects the subsequent routing of identical addresses. This function is called
+after routing, to check that the final routed addresses are not duplicates.
-This function is called after routing, to check that the final routed addresses
-are not duplicates. If we detect a duplicate, we remember what it is a
-duplicate of. Note that pipe, file, and autoreply de-duplication is handled
-during routing, so we must leave such "addresses" alone here, as otherwise they
-will incorrectly be discarded.
+If we detect a duplicate, we remember what it is a duplicate of. Note that
+pipe, file, and autoreply de-duplication is handled during routing, so we must
+leave such "addresses" alone here, as otherwise they will incorrectly be
+discarded.
Argument: address of list anchor
Returns: nothing
int process_recipients = RECIP_ACCEPT;
open_db dbblock;
open_db *dbm_file;
+extern int acl_where;
uschar *info = (queue_run_pid == (pid_t)0)?
string_sprintf("delivering %s", id) :
update_spool = FALSE;
remove_journal = TRUE;
+/* Set a known context for any ACLs we call via expansions */
+acl_where = ACL_WHERE_DELIVERY;
+
/* Reset the random number generator, so that if several delivery processes are
started from a queue runner that has already used random numbers (for sorting),
they don't all get the same sequence. */
sprintf(CS big_buffer, "%s/input/%s/%s", spool_directory, message_subdir,
spoolname);
if (Ustat(big_buffer, &statbuf) == 0)
- {
- int size = statbuf.st_size; /* Because might be a long */
- log_write(0, LOG_MAIN, "Format error in spool file %s: size=%d",
- spoolname, size);
- }
+ log_write(0, LOG_MAIN, "Format error in spool file %s: "
+ "size=" OFF_T_FMT, spoolname, statbuf.st_size);
else log_write(0, LOG_MAIN, "Format error in spool file %s", spoolname);
}
else
readconf_printtime(keep_malformed));
}
- close(deliver_datafile);
+ (void)close(deliver_datafile);
deliver_datafile = -1;
return continue_closedown(); /* yields DELIVER_NOT_ATTEMPTED */
}
DEBUG(D_deliver) debug_printf("Previously delivered address %s taken from "
"journal file\n", big_buffer);
}
- fclose(jread);
+ (void)fclose(jread);
/* Panic-dies on error */
(void)spool_write_header(message_id, SW_DELIVERING, NULL);
}
if (recipients_list == NULL)
{
- close(deliver_datafile);
+ (void)close(deliver_datafile);
deliver_datafile = -1;
log_write(0, LOG_MAIN, "Spool error: no recipients for %s", spoolname);
return continue_closedown(); /* yields DELIVER_NOT_ATTEMPTED */
log_write(0, LOG_MAIN, "Unfrozen by errmsg timer");
}
- /* If there's no auto thaw, or we haven't reached the auto thaw time yet, and
- this delivery is not forced by an admin user, do not attempt delivery of this
- message. Note that forced is set for continuing messages down the same
- channel, in order to skip load checking and ignore hold domains, but we
- don't want unfreezing in that case. */
+ /* If this is a bounce message, or there's no auto thaw, or we haven't
+ reached the auto thaw time yet, and this delivery is not forced by an admin
+ user, do not attempt delivery of this message. Note that forced is set for
+ continuing messages down the same channel, in order to skip load checking and
+ ignore hold domains, but we don't want unfreezing in that case. */
else
{
- if ((auto_thaw <= 0 || now <= deliver_frozen_at + auto_thaw) &&
- (!forced || !deliver_force_thaw || !admin_user ||
- continue_hostname != NULL))
+ if ((sender_address[0] == 0 ||
+ auto_thaw <= 0 ||
+ now <= deliver_frozen_at + auto_thaw
+ )
+ &&
+ (!forced || !deliver_force_thaw || !admin_user ||
+ continue_hostname != NULL
+ ))
{
- close(deliver_datafile);
+ (void)close(deliver_datafile);
deliver_datafile = -1;
log_write(L_skip_delivery, LOG_MAIN, "Message is frozen");
return continue_closedown(); /* yields DELIVER_NOT_ATTEMPTED */
RDO_REWRITE,
NULL, /* No :include: restriction (not used in filter) */
NULL, /* No sieve vacation directory (not sieve!) */
+ NULL, /* No sieve enotify mailto owner (not sieve!) */
NULL, /* No sieve user address (not sieve!) */
NULL, /* No sieve subaddress (not sieve!) */
&ugid, /* uid/gid data */
if (rc == FF_ERROR || rc == FF_NONEXIST)
{
- close(deliver_datafile);
+ (void)close(deliver_datafile);
deliver_datafile = -1;
log_write(0, LOG_MAIN|LOG_PANIC, "Error in system filter: %s",
string_printing(filter_message));
while (p != NULL)
{
+ if (parent->child_count == SHRT_MAX)
+ log_write(0, LOG_MAIN|LOG_PANIC_DIE, "system filter generated more "
+ "than %d delivery addresses", SHRT_MAX);
parent->child_count++;
p->parent = parent;
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);
continue;
}
-
- /* !!!OLD-DE-DUP!!! We used to test for duplicates at this point, in order
- to save effort on routing duplicate addresses. However, facilities have
- been added to Exim so that now two identical addresses that are children of
- other addresses may be routed differently as a result of their previous
- routing history. For example, different redirect routers may have given
- them different redirect_router values, but there are other cases too.
- Therefore, tests for duplicates now take place when routing is complete.
- This is the old code, kept for a while for the record, and in case this
- radical change has to be backed out for some reason. */
-
- #ifdef NEVER
- /* If it's a duplicate, remember what it's a duplicate of */
-
- if ((tnode = tree_search(tree_duplicates, addr->unique)) != NULL)
- {
- DEBUG(D_deliver|D_route)
- debug_printf("%s is a duplicate address: discarded\n", addr->unique);
- addr->dupof = tnode->data.ptr;
- addr->next = addr_duplicate;
- addr_duplicate = addr;
- continue;
- }
-
- /* Record this address, so subsequent duplicates get picked up. */
-
- tree_add_duplicate(addr->unique, addr);
- #endif
-
-
-
/* Get the routing retry status, saving the two retry keys (with and
- without the local part) for subsequent use. Ignore retry records that
- are too old. */
+ without the local part) for subsequent use. If there is no retry record for
+ the standard address routing retry key, we look for the same key with the
+ sender attached, because this form is used by the smtp transport after a
+ 4xx response to RCPT when address_retry_include_sender is true. */
addr->domain_retry_key = string_sprintf("R:%s", addr->domain);
addr->address_retry_key = string_sprintf("R:%s@%s", addr->local_part,
domain_retry_record = dbfn_read(dbm_file, addr->domain_retry_key);
if (domain_retry_record != NULL &&
now - domain_retry_record->time_stamp > retry_data_expire)
- domain_retry_record = NULL;
+ domain_retry_record = NULL; /* Ignore if too old */
address_retry_record = dbfn_read(dbm_file, addr->address_retry_key);
if (address_retry_record != NULL &&
now - address_retry_record->time_stamp > retry_data_expire)
- address_retry_record = NULL;
+ address_retry_record = NULL; /* Ignore if too old */
+
+ if (address_retry_record == NULL)
+ {
+ uschar *altkey = string_sprintf("%s:<%s>", addr->address_retry_key,
+ sender_address);
+ address_retry_record = dbfn_read(dbm_file, altkey);
+ if (address_retry_record != NULL &&
+ now - address_retry_record->time_stamp > retry_data_expire)
+ address_retry_record = NULL; /* Ignore if too old */
+ }
}
DEBUG(D_deliver|D_retry)
(void)post_process_one(addr, DEFER, LOG_MAIN, DTYPE_ROUTER, 0);
}
- /* If queue_running, defer routing unless no retry data or we've
- passed the next retry time, or this message is forced. However,
- if the retry time has expired, allow the routing attempt.
- If it fails again, the address will be failed. This ensures that
+ /* If we are in a queue run, defer routing unless there is no retry data or
+ we've passed the next retry time, or this message is forced. In other
+ words, ignore retry data when not in a queue run.
+
+ However, if the domain retry time has expired, always allow the routing
+ attempt. If it fails again, the address will be failed. This ensures that
each address is routed at least once, even after long-term routing
failures.
If there is an address retry, check that too; just wait for the next
retry time. This helps with the case when the temporary error on the
address was really message-specific rather than address specific, since
- it allows other messages through. */
-
- else if (!deliver_force && queue_running &&
+ it allows other messages through.
+
+ We also wait for the next retry time if this is a message sent down an
+ existing SMTP connection (even though that will be forced). Otherwise there
+ 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.
+
+ 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)
+ &&
((domain_retry_record != NULL &&
now < domain_retry_record->next_try &&
!domain_retry_record->expired)
||
(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;
string_sprintf("R:%s", addr->domain), 0);
/* Otherwise, if there is an existing retry record in the database, add
- retry items to delete both forms. Since the domain might have been
- rewritten (expanded to fully qualified) as a result of routing, ensure
- that the rewritten form is also deleted. */
+ retry items to delete both forms. We must also allow for the possibility
+ of a routing retry that includes the sender address. Since the domain might
+ have been rewritten (expanded to fully qualified) as a result of routing,
+ ensure that the rewritten form is also deleted. */
else if (testflag(addr, af_dr_retry_exists))
{
+ uschar *altkey = string_sprintf("%s:<%s>", addr->address_retry_key,
+ sender_address);
+ retry_add_item(addr, altkey, rf_delete);
retry_add_item(addr, addr->address_retry_key, rf_delete);
retry_add_item(addr, addr->domain_retry_key, rf_delete);
if (Ustrcmp(addr->domain, old_domain) != 0)
local_user_gid = (gid_t)(-1);
local_user_uid = (uid_t)(-1);
-
-/* !!!OLD-DE-DUP!!! The next two statement were introduced when checking for
-duplicates was moved from within routing to afterwards. If that change has to
-be backed out, they should be removed. */
-
/* Check for any duplicate addresses. This check is delayed until after
routing, because the flexibility of the routing configuration means that
identical addresses with different parentage may end up being redirected to
do_duplicate_check(&addr_local);
do_duplicate_check(&addr_remote);
-
/* When acting as an MUA wrapper, we proceed only if all addresses route to a
remote transport. The check that they all end up in one transaction happens in
the do_remote_deliveries() function. */
that the mode is correct - the group setting doesn't always seem to get
set automatically. */
- fcntl(journal_fd, F_SETFD, fcntl(journal_fd, F_GETFD) | FD_CLOEXEC);
- fchown(journal_fd, exim_uid, exim_gid);
- 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
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)
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. */
signal(SIGTERM, SIG_IGN);
/* When we are acting as an MUA wrapper, the smtp transport will either have
-succeeded for all addresses, or failed them all. We do not ever want to retry,
-nor do we want to send a bounce message. */
+succeeded for all addresses, or failed them all in normal cases. However, there
+are some setup situations (e.g. when a named port does not exist) that cause an
+immediate exit with deferral of all addresses. Convert those into failures. We
+do not ever want to retry, nor do we want to send a bounce message. */
if (mua_wrapper)
{
+ if (addr_defer != NULL)
+ {
+ address_item *addr, *nextaddr;
+ for (addr = addr_defer; addr != NULL; addr = nextaddr)
+ {
+ log_write(0, LOG_MAIN, "** %s mua_wrapper forced failure for deferred "
+ "delivery", addr->address);
+ nextaddr = addr->next;
+ addr->next = addr_failed;
+ addr_failed = addr;
+ }
+ addr_defer = NULL;
+ }
+
+ /* Now all should either have succeeded or failed. */
+
if (addr_failed == NULL) final_yield = DELIVER_MUA_SUCCEEDED; else
{
uschar *s = (addr_failed->user_message != NULL)?
if (errors_reply_to != NULL)
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");
+ moan_write_from(f);
fprintf(f, "To: %s\n", bounce_recipient);
/* Open a template file if one is provided. Log failure to open, but
else
{
while ((ch = fgetc(fm)) != EOF) fputc(ch, f);
- fclose(fm);
+ (void)fclose(fm);
}
Uunlink(addr->return_filename);
if (emf_text != NULL) fprintf(f, "%s", CS emf_text); else
{
fprintf(f,
-"------ The body of the message is %d characters long; only the first\n"
-"------ %d or so are included here.\n", (int)statbuf.st_size, max);
+"------ The body of the message is " OFF_T_FMT " characters long; only the first\n"
+"------ %d or so are included here.\n", statbuf.st_size, max);
}
}
}
{
emf_text = next_emf(emf, US"final");
if (emf_text != NULL) fprintf(f, "%s", CS emf_text);
- fclose(emf);
+ (void)fclose(emf);
}
/* Close the file, which should send an EOF to the child process
that is receiving the message. Wait for it to finish. */
- fclose(f);
+ (void)fclose(f);
rc = child_close(pid, 0); /* Waits for child to close, no timeout */
/* In the test harness, let the child do it's thing first. */
else
{
if (Uunlink(spoolname) < 0)
- log_write(0, LOG_MAIN|LOG_PANIC_DIE, "failed to unlink %s", spoolname);
+ log_write(0, LOG_MAIN|LOG_PANIC_DIE, "failed to unlink %s: %s",
+ spoolname, strerror(errno));
}
}
sprintf(CS spoolname, "%s/input/%s/%s-D", spool_directory, message_subdir, id);
if (Uunlink(spoolname) < 0)
- log_write(0, LOG_MAIN|LOG_PANIC_DIE, "failed to unlink %s", spoolname);
+ log_write(0, LOG_MAIN|LOG_PANIC_DIE, "failed to unlink %s: %s",
+ spoolname, strerror(errno));
sprintf(CS spoolname, "%s/input/%s/%s-H", spool_directory, message_subdir, id);
if (Uunlink(spoolname) < 0)
- log_write(0, LOG_MAIN|LOG_PANIC_DIE, "failed to unlink %s", spoolname);
+ log_write(0, LOG_MAIN|LOG_PANIC_DIE, "failed to unlink %s: %s",
+ spoolname, strerror(errno));
/* Log the end of this message, with queue time if requested. */
readconf_printtime(time(NULL) - received_time));
else
log_write(0, LOG_MAIN, "Completed");
+
+ /* Unset deliver_freeze so that we won't try to move the spool files further down */
+ deliver_freeze = FALSE;
}
/* If there are deferred addresses, we are keeping this message because it is
if (errors_reply_to != NULL)
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");
+ moan_write_from(f);
fprintf(f, "To: %s\n", recipients);
wmf_text = next_emf(wmf, US"header");
{
wmf_text = next_emf(wmf, US"final");
if (wmf_text != NULL) fprintf(f, "%s", CS wmf_text);
- fclose(wmf);
+ (void)fclose(wmf);
}
else
{
/* Close and wait for child process to complete, without a timeout.
If there's an error, don't update the count. */
- fclose(f);
+ (void)fclose(f);
if (child_close(pid, 0) == 0)
{
warning_count = count;
/* Finished with the message log. If the message is complete, it will have
been unlinked or renamed above. */
-if (message_logs) fclose(message_log);
+if (message_logs) (void)fclose(message_log);
/* Now we can close and remove the journal file. Its only purpose is to record
successfully completed deliveries asap so that this information doesn't get
message off the main spool if frozen and the option is set. It should get moved
at the next attempt, after the journal has been inspected. */
-if (journal_fd >= 0) close(journal_fd);
+if (journal_fd >= 0) (void)close(journal_fd);
if (remove_journal)
{
will go away. Otherwise the message becomes available for another process
to try delivery. */
-close(deliver_datafile);
+(void)close(deliver_datafile);
deliver_datafile = -1;
DEBUG(D_deliver) debug_printf("end delivery of %s\n", id);
released. */
search_tidyup();
+acl_where = ACL_WHERE_UNKNOWN;
return final_yield;
}
+/* vi: aw ai sw=2
+*/
/* End of deliver.c */