* Exim - an Internet mail transport agent *
*************************************************/
-/* Copyright (c) University of Cambridge 1995 - 2012 */
+/* Copyright (c) University of Cambridge 1995 - 2014 */
/* See the file NOTICE for conditions of use and distribution. */
#include "../exim.h"
{ "hosts_require_auth", opt_stringptr,
(void *)offsetof(smtp_transport_options_block, hosts_require_auth) },
#ifdef SUPPORT_TLS
+# if defined EXPERIMENTAL_OCSP
+ { "hosts_require_ocsp", opt_stringptr,
+ (void *)offsetof(smtp_transport_options_block, hosts_require_ocsp) },
+# endif
{ "hosts_require_tls", opt_stringptr,
(void *)offsetof(smtp_transport_options_block, hosts_require_tls) },
#endif
{ "hosts_try_auth", opt_stringptr,
(void *)offsetof(smtp_transport_options_block, hosts_try_auth) },
+#ifdef EXPERIMENTAL_PRDR
+ { "hosts_try_prdr", opt_stringptr,
+ (void *)offsetof(smtp_transport_options_block, hosts_try_prdr) },
+#endif
#ifdef SUPPORT_TLS
{ "hosts_verify_avoid_tls", opt_stringptr,
(void *)offsetof(smtp_transport_options_block, hosts_verify_avoid_tls) },
(void *)offsetof(smtp_transport_options_block, tls_sni) },
{ "tls_tempfail_tryclear", opt_bool,
(void *)offsetof(smtp_transport_options_block, tls_tempfail_tryclear) },
+ { "tls_try_verify_hosts", opt_stringptr,
+ (void *)offsetof(smtp_transport_options_block, tls_try_verify_hosts) },
{ "tls_verify_certificates", opt_stringptr,
- (void *)offsetof(smtp_transport_options_block, tls_verify_certificates) }
+ (void *)offsetof(smtp_transport_options_block, tls_verify_certificates) },
+ { "tls_verify_hosts", opt_stringptr,
+ (void *)offsetof(smtp_transport_options_block, tls_verify_hosts) }
+#endif
+#ifdef EXPERIMENTAL_TPDA
+ ,{ "tpda_host_defer_action", opt_stringptr,
+ (void *)offsetof(smtp_transport_options_block, tpda_host_defer_action) },
#endif
};
NULL, /* serialize_hosts */
NULL, /* hosts_try_auth */
NULL, /* hosts_require_auth */
+#ifdef EXPERIMENTAL_PRDR
+ NULL, /* hosts_try_prdr */
+#endif
+#ifdef EXPERIMENTAL_OCSP
+ NULL, /* hosts_require_ocsp */
+#endif
NULL, /* hosts_require_tls */
NULL, /* hosts_avoid_tls */
US"*", /* hosts_verify_avoid_tls */
NULL, /* tls_verify_certificates */
EXIM_CLIENT_DH_DEFAULT_MIN_BITS,
/* tls_dh_min_bits */
- TRUE /* tls_tempfail_tryclear */
+ TRUE, /* tls_tempfail_tryclear */
+ NULL, /* tls_verify_hosts */
+ NULL /* tls_try_verify_hosts */
#endif
#ifndef DISABLE_DKIM
,NULL, /* dkim_canon */
NULL, /* dkim_sign_headers */
NULL /* dkim_strict */
#endif
+#ifdef EXPERIMENTAL_TPDA
+ ,NULL /* tpda_host_defer_action */
+#endif
};
+#ifdef EXPERIMENTAL_TPDA
+/*************************************************
+* Post-defer action *
+*************************************************/
+
+/* This expands an arbitrary per-transport string.
+ It might, for example, be used to write to the database log.
+
+Arguments:
+ ob transport options block
+ addr the address item containing error information
+ host the current host
+
+Returns: nothing
+*/
+
+static void
+tpda_deferred(smtp_transport_options_block *ob, address_item *addr, host_item *host)
+{
+uschar *action = ob->tpda_host_defer_action;
+if (!action)
+ return;
+
+tpda_delivery_ip = string_copy(host->address);
+tpda_delivery_port = (host->port == PORT_NONE)? 25 : host->port;
+tpda_delivery_fqdn = string_copy(host->name);
+tpda_delivery_local_part = string_copy(addr->local_part);
+tpda_delivery_domain = string_copy(addr->domain);
+tpda_defer_errno = addr->basic_errno;
+
+tpda_defer_errstr = addr->message
+ ? addr->basic_errno > 0
+ ? string_sprintf("%s: %s", addr->message, strerror(addr->basic_errno))
+ : string_copy(addr->message)
+ : addr->basic_errno > 0
+ ? string_copy(strerror(addr->basic_errno))
+ : NULL;
+
+DEBUG(D_transport)
+ debug_printf(" TPDA(host defer): tpda_host_defer_action=|%s| tpda_delivery_IP=%s\n",
+ action, tpda_delivery_ip);
+
+router_name = addr->router->name;
+transport_name = addr->transport->name;
+if (!expand_string(action) && *expand_string_message)
+ log_write(0, LOG_MAIN|LOG_PANIC, "failed to expand tpda_defer_action in %s: %s\n",
+ transport_name, expand_string_message);
+router_name = transport_name = NULL;
+}
+#endif
+
+
+
/*************************************************
* Synchronize SMTP responses *
*************************************************/
+/* Do the client side of smtp-level authentication */
+/*
+Arguments:
+ buffer EHLO response from server (gets overwritten)
+ addrlist chain of potential addresses to deliver
+ host host to deliver to
+ ob transport options
+ ibp, obp comms channel control blocks
+
+Returns:
+ OK Success, or failed (but not required): global "smtp_authenticated" set
+ DEFER Failed authentication (and was required)
+ ERROR Internal problem
+
+ FAIL_SEND Failed communications - transmit
+ FAIL - response
+*/
+
+int
+smtp_auth(uschar *buffer, unsigned bufsize, address_item *addrlist, host_item *host,
+ smtp_transport_options_block *ob, BOOL is_esmtp,
+ smtp_inblock *ibp, smtp_outblock *obp)
+{
+ int require_auth;
+ uschar *fail_reason = US"server did not advertise AUTH support";
+
+ smtp_authenticated = FALSE;
+ client_authenticator = client_authenticated_id = client_authenticated_sender = NULL;
+ require_auth = verify_check_this_host(&(ob->hosts_require_auth), NULL,
+ host->name, host->address, NULL);
+
+ if (is_esmtp && !regex_AUTH) regex_AUTH =
+ regex_must_compile(US"\\n250[\\s\\-]AUTH\\s+([\\-\\w\\s]+)(?:\\n|$)",
+ FALSE, TRUE);
+
+ if (is_esmtp && regex_match_and_setup(regex_AUTH, buffer, 0, -1))
+ {
+ uschar *names = string_copyn(expand_nstring[1], expand_nlength[1]);
+ expand_nmax = -1; /* reset */
+
+ /* Must not do this check until after we have saved the result of the
+ regex match above. */
+
+ if (require_auth == OK ||
+ verify_check_this_host(&(ob->hosts_try_auth), NULL, host->name,
+ host->address, NULL) == OK)
+ {
+ auth_instance *au;
+ fail_reason = US"no common mechanisms were found";
+
+ DEBUG(D_transport) debug_printf("scanning authentication mechanisms\n");
+
+ /* Scan the configured authenticators looking for one which is configured
+ for use as a client, which is not suppressed by client_condition, and
+ whose name matches an authentication mechanism supported by the server.
+ If one is found, attempt to authenticate by calling its client function.
+ */
+
+ for (au = auths; !smtp_authenticated && au != NULL; au = au->next)
+ {
+ uschar *p = names;
+ if (!au->client ||
+ (au->client_condition != NULL &&
+ !expand_check_condition(au->client_condition, au->name,
+ US"client authenticator")))
+ {
+ DEBUG(D_transport) debug_printf("skipping %s authenticator: %s\n",
+ au->name,
+ (au->client)? "client_condition is false" :
+ "not configured as a client");
+ continue;
+ }
+
+ /* Loop to scan supported server mechanisms */
+
+ while (*p != 0)
+ {
+ int rc;
+ int len = Ustrlen(au->public_name);
+ while (isspace(*p)) p++;
+
+ if (strncmpic(au->public_name, p, len) != 0 ||
+ (p[len] != 0 && !isspace(p[len])))
+ {
+ while (*p != 0 && !isspace(*p)) p++;
+ continue;
+ }
+
+ /* Found data for a listed mechanism. Call its client entry. Set
+ a flag in the outblock so that data is overwritten after sending so
+ that reflections don't show it. */
+
+ fail_reason = US"authentication attempt(s) failed";
+ obp->authenticating = TRUE;
+ rc = (au->info->clientcode)(au, ibp, obp,
+ ob->command_timeout, buffer, bufsize);
+ obp->authenticating = FALSE;
+ DEBUG(D_transport) debug_printf("%s authenticator yielded %d\n",
+ au->name, rc);
+
+ /* A temporary authentication failure must hold up delivery to
+ this host. After a permanent authentication failure, we carry on
+ to try other authentication methods. If all fail hard, try to
+ deliver the message unauthenticated unless require_auth was set. */
+
+ switch(rc)
+ {
+ case OK:
+ smtp_authenticated = TRUE; /* stops the outer loop */
+ client_authenticator = au->name;
+ if (au->set_client_id != NULL)
+ client_authenticated_id = expand_string(au->set_client_id);
+ break;
+
+ /* Failure after writing a command */
+
+ case FAIL_SEND:
+ return FAIL_SEND;
+
+ /* Failure after reading a response */
+
+ case FAIL:
+ if (errno != 0 || buffer[0] != '5') return FAIL;
+ log_write(0, LOG_MAIN, "%s authenticator failed H=%s [%s] %s",
+ au->name, host->name, host->address, buffer);
+ break;
+
+ /* Failure by some other means. In effect, the authenticator
+ decided it wasn't prepared to handle this case. Typically this
+ is the result of "fail" in an expansion string. Do we need to
+ log anything here? Feb 2006: a message is now put in the buffer
+ if logging is required. */
+
+ case CANCELLED:
+ if (*buffer != 0)
+ log_write(0, LOG_MAIN, "%s authenticator cancelled "
+ "authentication H=%s [%s] %s", au->name, host->name,
+ host->address, buffer);
+ break;
+
+ /* Internal problem, message in buffer. */
+
+ case ERROR:
+ set_errno(addrlist, 0, string_copy(buffer), DEFER, FALSE);
+ return ERROR;
+ }
+
+ break; /* If not authenticated, try next authenticator */
+ } /* Loop for scanning supported server mechanisms */
+ } /* Loop for further authenticators */
+ }
+ }
+
+ /* If we haven't authenticated, but are required to, give up. */
+
+ if (require_auth == OK && !smtp_authenticated)
+ {
+ set_errno(addrlist, ERRNO_AUTHFAIL,
+ string_sprintf("authentication required but %s", fail_reason), DEFER,
+ FALSE);
+ return DEFER;
+ }
+
+ return OK;
+}
+
+
+/* Construct AUTH appendix string for MAIL TO */
+/*
+Arguments
+ buffer to build string
+ addrlist chain of potential addresses to deliver
+ ob transport options
+
+Globals smtp_authenticated
+ client_authenticated_sender
+Return True on error, otherwise buffer has (possibly empty) terminated string
+*/
+
+BOOL
+smtp_mail_auth_str(uschar *buffer, unsigned bufsize, address_item *addrlist,
+ smtp_transport_options_block *ob)
+{
+uschar *local_authenticated_sender = authenticated_sender;
+
+#ifdef notdef
+ debug_printf("smtp_mail_auth_str: as<%s> os<%s> SA<%s>\n", authenticated_sender, ob->authenticated_sender, smtp_authenticated?"Y":"N");
+#endif
+
+if (ob->authenticated_sender != NULL)
+ {
+ uschar *new = expand_string(ob->authenticated_sender);
+ if (new == NULL)
+ {
+ if (!expand_string_forcedfail)
+ {
+ uschar *message = string_sprintf("failed to expand "
+ "authenticated_sender: %s", expand_string_message);
+ set_errno(addrlist, 0, message, DEFER, FALSE);
+ return TRUE;
+ }
+ }
+ else if (new[0] != 0) local_authenticated_sender = new;
+ }
+
+/* Add the authenticated sender address if present */
+
+if ((smtp_authenticated || ob->authenticated_sender_force) &&
+ local_authenticated_sender != NULL)
+ {
+ string_format(buffer, bufsize, " AUTH=%s",
+ auth_xtextencode(local_authenticated_sender,
+ Ustrlen(local_authenticated_sender)));
+ client_authenticated_sender = string_copy(local_authenticated_sender);
+ }
+else
+ *buffer= 0;
+
+return FALSE;
+}
+
+
+
/*************************************************
* Deliver address list to given host *
*************************************************/
BOOL esmtp = TRUE;
BOOL pending_MAIL;
BOOL pass_message = FALSE;
+#ifdef EXPERIMENTAL_PRDR
+BOOL prdr_offered = FALSE;
+BOOL prdr_active;
+#endif
smtp_inblock inblock;
smtp_outblock outblock;
int max_rcpt = tblock->max_addresses;
uschar *igquotstr = US"";
-uschar *local_authenticated_sender = authenticated_sender;
uschar *helo_data = NULL;
uschar *message = NULL;
uschar new_message_id[MESSAGE_ID_LENGTH + 1];
pcre_exec(regex_STARTTLS, NULL, CS buffer, Ustrlen(buffer), 0,
PCRE_EOPT, NULL, 0) >= 0;
#endif
+
+ #ifdef EXPERIMENTAL_PRDR
+ prdr_offered = esmtp &&
+ (pcre_exec(regex_PRDR, NULL, CS buffer, Ustrlen(buffer), 0,
+ PCRE_EOPT, NULL, 0) >= 0) &&
+ (verify_check_this_host(&(ob->hosts_try_prdr), NULL, host->name,
+ host->address, NULL) == OK);
+
+ if (prdr_offered)
+ {DEBUG(D_transport) debug_printf("PRDR usable\n");}
+ #endif
}
/* For continuing deliveries down the same channel, the socket is the standard
int rc = tls_client_start(inblock.sock,
host,
addrlist,
- NULL, /* No DH param */
ob->tls_certificate,
ob->tls_privatekey,
ob->tls_sni,
ob->tls_verify_certificates,
ob->tls_crl,
ob->tls_require_ciphers,
+#ifdef EXPERIMENTAL_OCSP
+ ob->hosts_require_ocsp,
+#endif
ob->tls_dh_min_bits,
- ob->command_timeout);
+ ob->command_timeout,
+ ob->tls_verify_hosts,
+ ob->tls_try_verify_hosts);
/* TLS negotiation failed; give an error. From outside, this function may
be called again to try in clear on a new connection, if the options permit
#endif
)
{
- int require_auth;
- uschar *fail_reason = US"server did not advertise AUTH support";
-
/* Set for IGNOREQUOTA if the response to LHLO specifies support and the
lmtp_ignore_quota option was set. */
DEBUG(D_transport) debug_printf("%susing PIPELINING\n",
smtp_use_pipelining? "" : "not ");
+#ifdef EXPERIMENTAL_PRDR
+ prdr_offered = esmtp &&
+ pcre_exec(regex_PRDR, NULL, CS buffer, Ustrlen(CS buffer), 0,
+ PCRE_EOPT, NULL, 0) >= 0 &&
+ verify_check_this_host(&(ob->hosts_try_prdr), NULL, host->name,
+ host->address, NULL) == OK;
+
+ if (prdr_offered)
+ {DEBUG(D_transport) debug_printf("PRDR usable\n");}
+#endif
+
/* Note if the response to EHLO specifies support for the AUTH extension.
If it has, check that this host is one we want to authenticate to, and do
the business. The host name and address must be available when the
authenticator's client driver is running. */
- smtp_authenticated = FALSE;
- client_authenticator = client_authenticated_id = client_authenticated_sender = NULL;
- require_auth = verify_check_this_host(&(ob->hosts_require_auth), NULL,
- host->name, host->address, NULL);
-
- if (esmtp && regex_match_and_setup(regex_AUTH, buffer, 0, -1))
+ switch (yield = smtp_auth(buffer, sizeof(buffer), addrlist, host,
+ ob, esmtp, &inblock, &outblock))
{
- uschar *names = string_copyn(expand_nstring[1], expand_nlength[1]);
- expand_nmax = -1; /* reset */
-
- /* Must not do this check until after we have saved the result of the
- regex match above. */
-
- if (require_auth == OK ||
- verify_check_this_host(&(ob->hosts_try_auth), NULL, host->name,
- host->address, NULL) == OK)
- {
- auth_instance *au;
- fail_reason = US"no common mechanisms were found";
-
- DEBUG(D_transport) debug_printf("scanning authentication mechanisms\n");
-
- /* Scan the configured authenticators looking for one which is configured
- for use as a client, which is not suppressed by client_condition, and
- whose name matches an authentication mechanism supported by the server.
- If one is found, attempt to authenticate by calling its client function.
- */
-
- for (au = auths; !smtp_authenticated && au != NULL; au = au->next)
- {
- uschar *p = names;
- if (!au->client ||
- (au->client_condition != NULL &&
- !expand_check_condition(au->client_condition, au->name,
- US"client authenticator")))
- {
- DEBUG(D_transport) debug_printf("skipping %s authenticator: %s\n",
- au->name,
- (au->client)? "client_condition is false" :
- "not configured as a client");
- continue;
- }
-
- /* Loop to scan supported server mechanisms */
-
- while (*p != 0)
- {
- int rc;
- int len = Ustrlen(au->public_name);
- while (isspace(*p)) p++;
-
- if (strncmpic(au->public_name, p, len) != 0 ||
- (p[len] != 0 && !isspace(p[len])))
- {
- while (*p != 0 && !isspace(*p)) p++;
- continue;
- }
-
- /* Found data for a listed mechanism. Call its client entry. Set
- a flag in the outblock so that data is overwritten after sending so
- that reflections don't show it. */
-
- fail_reason = US"authentication attempt(s) failed";
- outblock.authenticating = TRUE;
- rc = (au->info->clientcode)(au, &inblock, &outblock,
- ob->command_timeout, buffer, sizeof(buffer));
- outblock.authenticating = FALSE;
- DEBUG(D_transport) debug_printf("%s authenticator yielded %d\n",
- au->name, rc);
-
- /* A temporary authentication failure must hold up delivery to
- this host. After a permanent authentication failure, we carry on
- to try other authentication methods. If all fail hard, try to
- deliver the message unauthenticated unless require_auth was set. */
-
- switch(rc)
- {
- case OK:
- smtp_authenticated = TRUE; /* stops the outer loop */
- client_authenticator = au->name;
- if (au->set_client_id != NULL)
- client_authenticated_id = expand_string(au->set_client_id);
- break;
-
- /* Failure after writing a command */
-
- case FAIL_SEND:
- goto SEND_FAILED;
-
- /* Failure after reading a response */
-
- case FAIL:
- if (errno != 0 || buffer[0] != '5') goto RESPONSE_FAILED;
- log_write(0, LOG_MAIN, "%s authenticator failed H=%s [%s] %s",
- au->name, host->name, host->address, buffer);
- break;
-
- /* Failure by some other means. In effect, the authenticator
- decided it wasn't prepared to handle this case. Typically this
- is the result of "fail" in an expansion string. Do we need to
- log anything here? Feb 2006: a message is now put in the buffer
- if logging is required. */
-
- case CANCELLED:
- if (*buffer != 0)
- log_write(0, LOG_MAIN, "%s authenticator cancelled "
- "authentication H=%s [%s] %s", au->name, host->name,
- host->address, buffer);
- break;
-
- /* Internal problem, message in buffer. */
-
- case ERROR:
- yield = ERROR;
- set_errno(addrlist, 0, string_copy(buffer), DEFER, FALSE);
- goto SEND_QUIT;
- }
-
- break; /* If not authenticated, try next authenticator */
- } /* Loop for scanning supported server mechanisms */
- } /* Loop for further authenticators */
- }
- }
-
- /* If we haven't authenticated, but are required to, give up. */
-
- if (require_auth == OK && !smtp_authenticated)
- {
- yield = DEFER;
- set_errno(addrlist, ERRNO_AUTHFAIL,
- string_sprintf("authentication required but %s", fail_reason), DEFER,
- FALSE);
- goto SEND_QUIT;
+ default: goto SEND_QUIT;
+ case OK: break;
+ case FAIL_SEND: goto SEND_FAILED;
+ case FAIL: goto RESPONSE_FAILED;
}
}
while (*p) p++;
}
+#ifdef EXPERIMENTAL_PRDR
+prdr_active = FALSE;
+if (prdr_offered)
+ {
+ for (addr = first_addr; addr; addr = addr->next)
+ if (addr->transport_return == PENDING_DEFER)
+ {
+ for (addr = addr->next; addr; addr = addr->next)
+ if (addr->transport_return == PENDING_DEFER)
+ { /* at least two recipients to send */
+ prdr_active = TRUE;
+ sprintf(CS p, " PRDR"); p += 5;
+ goto prdr_is_active;
+ }
+ break;
+ }
+ }
+prdr_is_active:
+#endif
+
/* If an authenticated_sender override has been specified for this transport
instance, expand it. If the expansion is forced to fail, and there was already
an authenticated_sender for this message, the original value will be used.
otherwise no check - this feature is expected to be used with LMTP and other
cases where non-standard addresses (e.g. without domains) might be required. */
-if (ob->authenticated_sender != NULL)
- {
- uschar *new = expand_string(ob->authenticated_sender);
- if (new == NULL)
- {
- if (!expand_string_forcedfail)
- {
- uschar *message = string_sprintf("failed to expand "
- "authenticated_sender: %s", expand_string_message);
- set_errno(addrlist, 0, message, DEFER, FALSE);
- return ERROR;
- }
- }
- else if (new[0] != 0) local_authenticated_sender = new;
- }
-
-/* Add the authenticated sender address if present */
-
-if ((smtp_authenticated || ob->authenticated_sender_force) &&
- local_authenticated_sender != NULL)
- {
- string_format(p, sizeof(buffer) - (p-buffer), " AUTH=%s",
- auth_xtextencode(local_authenticated_sender,
- Ustrlen(local_authenticated_sender)));
- client_authenticated_sender = string_copy(local_authenticated_sender);
- }
+if (smtp_mail_auth_str(p, sizeof(buffer) - (p-buffer), addrlist, ob))
+ return ERROR;
/* From here until we send the DATA command, we can make use of PIPELINING
if the server host supports it. The code has to be able to check the responses
smtp_command = US"end of data";
- /* For SMTP, we now read a single response that applies to the whole message.
- If it is OK, then all the addresses have been delivered. */
+#ifdef EXPERIMENTAL_PRDR
+ /* For PRDR we optionally get a partial-responses warning
+ * followed by the individual responses, before going on with
+ * the overall response. If we don't get the warning then deal
+ * with per non-PRDR. */
+ if(prdr_active)
+ {
+ ok = smtp_read_response(&inblock, buffer, sizeof(buffer), '3',
+ ob->final_timeout);
+ if (!ok && errno == 0)
+ switch(buffer[0])
+ {
+ case '2': prdr_active = FALSE;
+ ok = TRUE;
+ break;
+ case '4': errno = ERRNO_DATA4XX;
+ addrlist->more_errno |= ((buffer[1] - '0')*10 + buffer[2] - '0') << 8;
+ break;
+ }
+ }
+ else
+#endif
+
+ /* For non-PRDR SMTP, we now read a single response that applies to the
+ whole message. If it is OK, then all the addresses have been delivered. */
if (!lmtp)
{
/* Set up confirmation if needed - applies only to SMTP */
- if ((log_extra_selector & LX_smtp_confirmation) != 0 && !lmtp)
+ if (
+ #ifndef EXPERIMENTAL_TPDA
+ (log_extra_selector & LX_smtp_confirmation) != 0 &&
+ #endif
+ !lmtp
+ )
{
uschar *s = string_printing(buffer);
conf = (s == buffer)? (uschar *)string_copy(s) : s;
}
- /* Process all transported addresses - for LMTP, read a status for
+ /* Process all transported addresses - for LMTP or PRDR, read a status for
each one. */
for (addr = addrlist; addr != first_addr; addr = addr->next)
address. For temporary errors, add a retry item for the address so that
it doesn't get tried again too soon. */
+#ifdef EXPERIMENTAL_PRDR
+ if (lmtp || prdr_active)
+#else
if (lmtp)
+#endif
{
if (!smtp_read_response(&inblock, buffer, sizeof(buffer), '2',
ob->final_timeout))
{
if (errno != 0 || buffer[0] == 0) goto RESPONSE_FAILED;
- addr->message = string_sprintf("LMTP error after %s: %s",
+ addr->message = string_sprintf(
+#ifdef EXPERIMENTAL_PRDR
+ "%s error after %s: %s", prdr_active ? "PRDR":"LMTP",
+#else
+ "LMTP error after %s: %s",
+#endif
big_buffer, string_printing(buffer));
setflag(addr, af_pass_message); /* Allow message to go to user */
if (buffer[0] == '5')
errno = ERRNO_DATA4XX;
addr->more_errno |= ((buffer[1] - '0')*10 + buffer[2] - '0') << 8;
addr->transport_return = DEFER;
- retry_add_item(addr, addr->address_retry_key, 0);
+#ifdef EXPERIMENTAL_PRDR
+ if (!prdr_active)
+#endif
+ retry_add_item(addr, addr->address_retry_key, 0);
}
continue;
}
addr->host_used = thost;
addr->special_action = flag;
addr->message = conf;
+#ifdef EXPERIMENTAL_PRDR
+ if (prdr_active) addr->flags |= af_prdr_used;
+#endif
flag = '-';
- /* Update the journal. For homonymic addresses, use the base address plus
- the transport name. See lots of comments in deliver.c about the reasons
- for the complications when homonyms are involved. Just carry on after
- write error, as it may prove possible to update the spool file later. */
+#ifdef EXPERIMENTAL_PRDR
+ if (!prdr_active)
+#endif
+ {
+ /* Update the journal. For homonymic addresses, use the base address plus
+ the transport name. See lots of comments in deliver.c about the reasons
+ for the complications when homonyms are involved. Just carry on after
+ write error, as it may prove possible to update the spool file later. */
- if (testflag(addr, af_homonym))
- sprintf(CS buffer, "%.500s/%s\n", addr->unique + 3, tblock->name);
- else
- sprintf(CS buffer, "%.500s\n", addr->unique);
+ if (testflag(addr, af_homonym))
+ sprintf(CS buffer, "%.500s/%s\n", addr->unique + 3, tblock->name);
+ else
+ sprintf(CS buffer, "%.500s\n", addr->unique);
- DEBUG(D_deliver) debug_printf("journalling %s", buffer);
- len = Ustrlen(CS buffer);
- if (write(journal_fd, buffer, len) != len)
- log_write(0, LOG_MAIN|LOG_PANIC, "failed to write journal for "
- "%s: %s", buffer, strerror(errno));
+ DEBUG(D_deliver) debug_printf("journalling %s", buffer);
+ len = Ustrlen(CS buffer);
+ if (write(journal_fd, buffer, len) != len)
+ log_write(0, LOG_MAIN|LOG_PANIC, "failed to write journal for "
+ "%s: %s", buffer, strerror(errno));
+ }
}
+#ifdef EXPERIMENTAL_PRDR
+ if (prdr_active)
+ {
+ /* PRDR - get the final, overall response. For any non-success
+ upgrade all the address statuses. */
+ ok = smtp_read_response(&inblock, buffer, sizeof(buffer), '2',
+ ob->final_timeout);
+ if (!ok)
+ {
+ if(errno == 0 && buffer[0] == '4')
+ {
+ errno = ERRNO_DATA4XX;
+ addrlist->more_errno |= ((buffer[1] - '0')*10 + buffer[2] - '0') << 8;
+ }
+ for (addr = addrlist; addr != first_addr; addr = addr->next)
+ if (buffer[0] == '5' || addr->transport_return == OK)
+ addr->transport_return = PENDING_OK; /* allow set_errno action */
+ goto RESPONSE_FAILED;
+ }
+
+ /* Update the journal, or setup retry. */
+ for (addr = addrlist; addr != first_addr; addr = addr->next)
+ if (addr->transport_return == OK)
+ {
+ if (testflag(addr, af_homonym))
+ sprintf(CS buffer, "%.500s/%s\n", addr->unique + 3, tblock->name);
+ else
+ sprintf(CS buffer, "%.500s\n", addr->unique);
+
+ DEBUG(D_deliver) debug_printf("journalling(PRDR) %s", buffer);
+ len = Ustrlen(CS buffer);
+ if (write(journal_fd, buffer, len) != len)
+ log_write(0, LOG_MAIN|LOG_PANIC, "failed to write journal for "
+ "%s: %s", buffer, strerror(errno));
+ }
+ else if (addr->transport_return == DEFER)
+ retry_add_item(addr, addr->address_retry_key, -2);
+ }
+#endif
+
/* Ensure the journal file is pushed out to disk. */
if (EXIMfsync(journal_fd) < 0)
first_addr->basic_errno != ERRNO_TLSFAILURE)
write_logs(first_addr, host);
+ #ifdef EXPERIMENTAL_TPDA
+ if (rc == DEFER)
+ tpda_deferred(ob, first_addr, host);
+ #endif
+
/* If STARTTLS was accepted, but there was a failure in setting up the
TLS session (usually a certificate screwup), and the host is not in
hosts_require_tls, and tls_tempfail_tryclear is true, try again, with
expanded_hosts != NULL, &message_defer, TRUE);
if (rc == DEFER && first_addr->basic_errno != ERRNO_AUTHFAIL)
write_logs(first_addr, host);
+ #ifdef EXPERIMENTAL_TPDA
+ if (rc == DEFER)
+ tpda_deferred(ob, first_addr, host);
+ #endif
}
#endif
}
projects / exim.git / blobdiff