* 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"
(void *)offsetof(smtp_transport_options_block, dns_qualify_single) },
{ "dns_search_parents", opt_bool,
(void *)offsetof(smtp_transport_options_block, dns_search_parents) },
+ { "dnssec_request_domains", opt_stringptr,
+ (void *)offsetof(smtp_transport_options_block, dnssec_request_domains) },
+ { "dnssec_require_domains", opt_stringptr,
+ (void *)offsetof(smtp_transport_options_block, dnssec_require_domains) },
{ "dscp", opt_stringptr,
(void *)offsetof(smtp_transport_options_block, dscp) },
{ "fallback_hosts", opt_stringptr,
(void *)offsetof(smtp_transport_options_block, hosts_override) },
{ "hosts_randomize", opt_bool,
(void *)offsetof(smtp_transport_options_block, hosts_randomize) },
+#if defined(SUPPORT_TLS) && defined(EXPERIMENTAL_OCSP)
+ { "hosts_request_ocsp", opt_stringptr,
+ (void *)offsetof(smtp_transport_options_block, hosts_request_ocsp) },
+#endif
{ "hosts_require_auth", opt_stringptr,
(void *)offsetof(smtp_transport_options_block, hosts_require_auth) },
#ifdef SUPPORT_TLS
#endif
{ "hosts_try_auth", opt_stringptr,
(void *)offsetof(smtp_transport_options_block, hosts_try_auth) },
-#ifdef EXPERIMENTAL_PRDR
+#ifndef DISABLE_PRDR
{ "hosts_try_prdr", opt_stringptr,
(void *)offsetof(smtp_transport_options_block, hosts_try_prdr) },
#endif
(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) },
+#ifdef EXPERIMENTAL_CERTNAMES
+ { "tls_verify_cert_hostnames", opt_stringptr,
+ (void *)offsetof(smtp_transport_options_block,tls_verify_cert_hostnames)},
+#endif
{ "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
+#ifndef DISABLE_PRDR
NULL, /* hosts_try_prdr */
#endif
#ifdef EXPERIMENTAL_OCSP
+ US"*", /* hosts_request_ocsp */
NULL, /* hosts_require_ocsp */
#endif
NULL, /* hosts_require_tls */
FALSE, /* gethostbyname */
TRUE, /* dns_qualify_single */
FALSE, /* dns_search_parents */
+ NULL, /* dnssec_request_domains */
+ NULL, /* dnssec_require_domains */
TRUE, /* delay_after_cutoff */
FALSE, /* hosts_override */
FALSE, /* hosts_randomize */
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 */
+# ifdef EXPERIMENTAL_CERTNAMES
+ ,NULL /* tls_verify_cert_hostnames */
+# endif
#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_DSN
+/* some DSN flags for use later */
+
+static int rf_list[] = {rf_notify_never, rf_notify_success,
+ rf_notify_failure, rf_notify_delay };
+
+static uschar *rf_names[] = { "NEVER", "SUCCESS", "FAILURE", "DELAY" };
+#endif
+
+
/* Local statics */
+#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(US 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
+#ifndef DISABLE_PRDR
BOOL prdr_offered = FALSE;
BOOL prdr_active;
#endif
+#ifdef EXPERIMENTAL_DSN
+BOOL dsn_all_lasthop = TRUE;
+#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];
/* Reset the parameters of a TLS session. */
-tls_in.bits = 0;
-tls_in.cipher = NULL; /* for back-compatible behaviour */
-tls_in.peerdn = NULL;
-#if defined(SUPPORT_TLS) && !defined(USE_GNUTLS)
-tls_in.sni = NULL;
-#endif
-
tls_out.bits = 0;
tls_out.cipher = NULL; /* the one we may use for this transport */
+tls_out.ourcert = NULL;
+tls_out.peercert = NULL;
tls_out.peerdn = NULL;
#if defined(SUPPORT_TLS) && !defined(USE_GNUTLS)
tls_out.sni = NULL;
#endif
+tls_out.ocsp = OCSP_NOT_REQ;
+
+/* Flip the legacy TLS-related variables over to the outbound set in case
+they're used in the context of the transport. Don't bother resetting
+afterward as we're in a subprocess. */
+
+tls_modify_variables(&tls_out);
#ifndef SUPPORT_TLS
if (smtps)
{
- set_errno(addrlist, 0, US"TLS support not available", DEFER, FALSE);
- return ERROR;
+ set_errno(addrlist, 0, US"TLS support not available", DEFER, FALSE);
+ return ERROR;
}
#endif
PCRE_EOPT, NULL, 0) >= 0;
#endif
- #ifdef EXPERIMENTAL_PRDR
+ #ifndef DISABLE_PRDR
prdr_offered = esmtp &&
(pcre_exec(regex_PRDR, NULL, CS buffer, Ustrlen(buffer), 0,
PCRE_EOPT, NULL, 0) >= 0) &&
else
TLS_NEGOTIATE:
{
- int rc = tls_client_start(inblock.sock,
- host,
- addrlist,
- 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);
+ int rc = tls_client_start(inblock.sock, host, addrlist, ob);
/* 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
if (addr->transport_return == PENDING_DEFER)
{
addr->cipher = tls_out.cipher;
+ addr->ourcert = tls_out.ourcert;
+ addr->peercert = tls_out.peercert;
addr->peerdn = tls_out.peerdn;
+ addr->ocsp = tls_out.ocsp;
}
}
}
#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
+#ifndef DISABLE_PRDR
prdr_offered = esmtp &&
pcre_exec(regex_PRDR, NULL, CS buffer, Ustrlen(CS buffer), 0,
PCRE_EOPT, NULL, 0) >= 0 &&
{DEBUG(D_transport) debug_printf("PRDR usable\n");}
#endif
+#ifdef EXPERIMENTAL_DSN
+ /* Note if the server supports DSN */
+ smtp_use_dsn = esmtp && pcre_exec(regex_DSN, NULL, CS buffer, (int)Ustrlen(CS buffer), 0,
+ PCRE_EOPT, NULL, 0) >= 0;
+ DEBUG(D_transport) debug_printf("use_dsn=%d\n", smtp_use_dsn);
+#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))
- {
- 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)
+ switch (yield = smtp_auth(buffer, sizeof(buffer), addrlist, host,
+ ob, esmtp, &inblock, &outblock))
{
- 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
+#ifndef DISABLE_PRDR
prdr_active = FALSE;
if (prdr_offered)
{
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.
-Other expansion failures are serious. An empty result is ignored, but there is
-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. */
+#ifdef EXPERIMENTAL_DSN
+/* check if all addresses have lasthop flag */
+/* do not send RET and ENVID if true */
+dsn_all_lasthop = TRUE;
+for (addr = first_addr;
+ address_count < max_rcpt && addr != NULL;
+ addr = addr->next)
+ if ((addr->dsn_flags & rf_dsnlasthop) != 1)
+ dsn_all_lasthop = FALSE;
-if (ob->authenticated_sender != NULL)
+/* Add any DSN flags to the mail command */
+
+if ((smtp_use_dsn) && (dsn_all_lasthop == FALSE))
{
- uschar *new = expand_string(ob->authenticated_sender);
- if (new == NULL)
+ if (dsn_ret == dsn_ret_hdrs)
{
- 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;
- }
+ strcpy(p, " RET=HDRS");
+ while (*p) p++;
+ }
+ else if (dsn_ret == dsn_ret_full)
+ {
+ strcpy(p, " RET=FULL");
+ while (*p) p++;
+ }
+ if (dsn_envid != NULL)
+ {
+ string_format(p, sizeof(buffer) - (p-buffer), " ENVID=%s", dsn_envid);
+ while (*p) p++;
}
- else if (new[0] != 0) local_authenticated_sender = new;
}
+#endif
-/* Add the authenticated sender address if present */
+/* 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.
+Other expansion failures are serious. An empty result is ignored, but there is
+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 ((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
int count;
BOOL no_flush;
+ #ifdef EXPERIMENTAL_DSN
+ if(smtp_use_dsn)
+ addr->dsn_aware = dsn_support_yes;
+ else
+ addr->dsn_aware = dsn_support_no;
+ #endif
+
if (addr->transport_return != PENDING_DEFER) continue;
address_count++;
no_flush = smtp_use_pipelining && (!mua_wrapper || addr->next != NULL);
+ #ifdef EXPERIMENTAL_DSN
+ /* Add any DSN flags to the rcpt command and add to the sent string */
+
+ p = buffer;
+ *p = 0;
+
+ if ((smtp_use_dsn) && ((addr->dsn_flags & rf_dsnlasthop) != 1))
+ {
+ if ((addr->dsn_flags & rf_dsnflags) != 0)
+ {
+ int i;
+ BOOL first = TRUE;
+ strcpy(p, " NOTIFY=");
+ while (*p) p++;
+ for (i = 0; i < 4; i++)
+ {
+ if ((addr->dsn_flags & rf_list[i]) != 0)
+ {
+ if (!first) *p++ = ',';
+ first = FALSE;
+ strcpy(p, rf_names[i]);
+ while (*p) p++;
+ }
+ }
+ }
+
+ if (addr->dsn_orcpt != NULL) {
+ string_format(p, sizeof(buffer) - (p-buffer), " ORCPT=%s",
+ addr->dsn_orcpt);
+ while (*p) p++;
+ }
+ }
+ #endif
+
+
/* Now send the RCPT command, and process outstanding responses when
necessary. After a timeout on RCPT, we just end the function, leaving the
yield as OK, because this error can often mean that there is a problem with
just one address, so we don't want to delay the host. */
+ #ifdef EXPERIMENTAL_DSN
+ count = smtp_write_command(&outblock, no_flush, "RCPT TO:<%s>%s%s\r\n",
+ transport_rcpt_address(addr, tblock->rcpt_include_affixes), igquotstr, buffer);
+ #else
count = smtp_write_command(&outblock, no_flush, "RCPT TO:<%s>%s\r\n",
transport_rcpt_address(addr, tblock->rcpt_include_affixes), igquotstr);
+ #endif
+
if (count < 0) goto SEND_FAILED;
if (count > 0)
{
smtp_command = US"end of data";
-#ifdef EXPERIMENTAL_PRDR
+#ifndef DISABLE_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
/* 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;
address. For temporary errors, add a retry item for the address so that
it doesn't get tried again too soon. */
-#ifdef EXPERIMENTAL_PRDR
+#ifndef DISABLE_PRDR
if (lmtp || prdr_active)
#else
if (lmtp)
{
if (errno != 0 || buffer[0] == 0) goto RESPONSE_FAILED;
addr->message = string_sprintf(
-#ifdef EXPERIMENTAL_PRDR
+#ifndef DISABLE_PRDR
"%s error after %s: %s", prdr_active ? "PRDR":"LMTP",
#else
"LMTP error after %s: %s",
errno = ERRNO_DATA4XX;
addr->more_errno |= ((buffer[1] - '0')*10 + buffer[2] - '0') << 8;
addr->transport_return = DEFER;
-#ifdef EXPERIMENTAL_PRDR
+#ifndef DISABLE_PRDR
if (!prdr_active)
#endif
retry_add_item(addr, addr->address_retry_key, 0);
addr->host_used = thost;
addr->special_action = flag;
addr->message = conf;
-#ifdef EXPERIMENTAL_PRDR
+#ifndef DISABLE_PRDR
if (prdr_active) addr->flags |= af_prdr_used;
#endif
flag = '-';
-#ifdef EXPERIMENTAL_PRDR
+#ifndef DISABLE_PRDR
if (!prdr_active)
#endif
{
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);
-
+
DEBUG(D_deliver) debug_printf("journalling %s", buffer);
len = Ustrlen(CS buffer);
if (write(journal_fd, buffer, len) != len)
}
}
-#ifdef EXPERIMENTAL_PRDR
+#ifndef DISABLE_PRDR
if (prdr_active)
{
/* PRDR - get the final, overall response. For any non-success
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)
#endif
/* Close the socket, and return the appropriate value, first setting
-continue_transport and continue_hostname NULL to prevent any other addresses
-that may include the host from trying to re-use a continuation socket. This
works because the NULL setting is passed back to the calling process, and
remote_max_parallel is forced to 1 when delivering over an existing connection,
addr->message = NULL;
#ifdef SUPPORT_TLS
addr->cipher = NULL;
+ addr->ourcert = NULL;
+ addr->peercert = NULL;
addr->peerdn = NULL;
+ addr->ocsp = OCSP_NOT_REQ;
#endif
}
return first_addr;
rc = host_find_byname(host, NULL, flags, &canonical_name, TRUE);
else
rc = host_find_bydns(host, NULL, flags, NULL, NULL, NULL,
+ ob->dnssec_request_domains, ob->dnssec_require_domains,
&canonical_name, NULL);
/* Update the host (and any additional blocks, resulting from
deliver_host = host->name;
deliver_host_address = host->address;
+ lookup_dnssec_authenticated = host->dnssec == DS_YES ? US"yes"
+ : host->dnssec == DS_NO ? US"no"
+ : US"";
/* Set up a string for adding to the retry key if the port number is not
the standard SMTP port. A host may have its own port setting that overrides
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
}
return TRUE; /* Each address has its status */
}
+/* vi: aw ai sw=2
+*/
/* End of transport/smtp.c */
git://git.exim.org / exim.git / blobdiff