static address_item *addr_remote = NULL;
static address_item *addr_route = NULL;
static address_item *addr_succeed = NULL;
-#ifdef EXPERIMENTAL_DSN
static address_item *addr_dsntmp = NULL;
static address_item *addr_senddsn = NULL;
-#endif
static FILE *message_log = NULL;
static BOOL update_spool;
if (addr->host_list == NULL)
{
deliver_host = deliver_host_address = US"";
+ deliver_host_port = 0;
}
else
{
deliver_host = addr->host_list->name;
deliver_host_address = addr->host_list->address;
+ deliver_host_port = addr->host_list->port;
}
deliver_recipients = addr;
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");
+ testflag(addr, af_cert_verified)
+ ?
+#ifdef EXPERIMENTAL_DANE
+ testflag(addr, af_dane_verified)
+ ? "dane"
+ :
+#endif
+ "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"\"");
}
#endif
+
+
+
+#ifdef EXPERIMENTAL_EVENT
+uschar *
+event_raise(uschar * action, uschar * event, uschar * ev_data)
+{
+uschar * s;
+if (action)
+ {
+ DEBUG(D_deliver)
+ debug_printf("Event(%s): event_action=|%s| delivery_IP=%s\n",
+ event,
+ action, deliver_host_address);
+
+ event_name = event;
+ event_data = ev_data;
+
+ if (!(s = expand_string(action)) && *expand_string_message)
+ log_write(0, LOG_MAIN|LOG_PANIC,
+ "failed to expand event_action %s in %s: %s\n",
+ event, transport_name, expand_string_message);
+
+ event_name = event_data = NULL;
+
+ /* If the expansion returns anything but an empty string, flag for
+ the caller to modify his normal processing
+ */
+ if (s && *s)
+ {
+ DEBUG(D_deliver)
+ debug_printf("Event(%s): event_action returned \"%s\"\n", event, s);
+ return s;
+ }
+ }
+return NULL;
+}
+
+static void
+msg_event_raise(uschar * event, address_item * addr)
+{
+uschar * save_domain = deliver_domain;
+uschar * save_local = deliver_localpart;
+uschar * save_host = deliver_host;
+
+if (!addr->transport)
+ return;
+
+router_name = addr->router ? addr->router->name : NULL;
+transport_name = addr->transport->name;
+deliver_domain = addr->domain;
+deliver_localpart = addr->local_part;
+deliver_host = addr->host_used ? addr->host_used->name : NULL;
+
+(void) event_raise(addr->transport->event_action, event,
+ addr->host_used || Ustrcmp(addr->transport->driver_name, "lmtp") == 0
+ ? addr->message : NULL);
+
+deliver_host = save_host;
+deliver_localpart = save_local;
+deliver_domain = save_domain;
+router_name = transport_name = NULL;
+}
+#endif /*EXPERIMENTAL_EVENT*/
+
+
+
/* 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.
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;
+#ifdef EXPERIMENTAL_EVENT
+ /* presume no successful remote delivery */
lookup_dnssec_authenticated = NULL;
#endif
if (addr->transport->info->local)
{
- if (addr->host_list != NULL)
- {
+ if (addr->host_list)
s = string_append(s, &size, &ptr, 2, US" H=", addr->host_list->name);
- #ifdef EXPERIMENTAL_TPDA
- tpda_delivery_fqdn = addr->host_list->name;
- #endif
- }
if (addr->shadow_message != NULL)
s = string_cat(s, &size, &ptr, addr->shadow_message,
Ustrlen(addr->shadow_message));
if (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;
+#ifdef EXPERIMENTAL_EVENT
+ deliver_host_address = addr->host_used->address;
+ deliver_host_port = addr->host_used->port;
+ deliver_host = addr->host_used->name;
/* DNS lookup status */
lookup_dnssec_authenticated = addr->host_used->dnssec==DS_YES ? US"yes"
: addr->host_used->dnssec==DS_NO ? US"no"
: NULL;
- #endif
+#endif
}
- #ifdef SUPPORT_TLS
+#ifdef SUPPORT_TLS
s = d_tlslog(s, &size, &ptr, addr);
- #endif
+#endif
if (addr->authenticator)
{
}
}
- #ifndef DISABLE_PRDR
+#ifndef DISABLE_PRDR
if (addr->flags & af_prdr_used)
s = string_append(s, &size, &ptr, 1, US" PRDR");
- #endif
+#endif
}
/* confirmation message (SMTP (host_used) and LMTP (driver_name)) */
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;
- }
+#ifdef EXPERIMENTAL_EVENT
+if (!msg) msg_event_raise(US"msg:delivery", addr);
#endif
+
store_reset(reset_point);
return;
}
uschar *s; /* building log lines; */
void *reset_point; /* released afterwards. */
-
DEBUG(D_deliver) debug_printf("post-process %s (%d)\n", addr->address, result);
/* Set up driver kind and name for logging. Disable logging if the router or
child_done(addr, now);
}
- /* Certificates for logging (via TPDA) */
- #ifdef SUPPORT_TLS
+ /* Certificates for logging (via events) */
+#ifdef SUPPORT_TLS
tls_out.ourcert = addr->ourcert;
addr->ourcert = NULL;
tls_out.peercert = addr->peercert;
tls_out.cipher = addr->cipher;
tls_out.peerdn = addr->peerdn;
tls_out.ocsp = addr->ocsp;
- #endif
+# ifdef EXPERIMENTAL_DANE
+ tls_out.dane_verified = testflag(addr, af_dane_verified);
+# endif
+#endif
delivery_log(LOG_MAIN, addr, logchar, NULL);
- #ifdef SUPPORT_TLS
+#ifdef SUPPORT_TLS
if (tls_out.ourcert)
{
tls_free_cert(tls_out.ourcert);
tls_out.cipher = NULL;
tls_out.peerdn = NULL;
tls_out.ocsp = OCSP_NOT_REQ;
- #endif
+# ifdef EXPERIMENTAL_DANE
+ tls_out.dane_verified = FALSE;
+# endif
+#endif
}
s = string_append(s, &size, &ptr, 2, US": ",
US strerror(addr->basic_errno));
+ if (addr->host_used)
+ s = string_append(s, &size, &ptr, 5,
+ US" H=", addr->host_used->name,
+ US" [", addr->host_used->address, US"]");
+
if (addr->message != NULL)
s = string_append(s, &size, &ptr, 2, US": ", addr->message);
if (addr->host_used != NULL)
s = d_hostlog(s, &size, &ptr, addr);
- #ifdef SUPPORT_TLS
+#ifdef SUPPORT_TLS
s = d_tlslog(s, &size, &ptr, addr);
- #endif
+#endif
if (addr->basic_errno > 0)
s = string_append(s, &size, &ptr, 2, US": ",
deliver_msglog("%s %s\n", now, s);
log_write(0, LOG_MAIN, "** %s", s);
+
+#ifdef EXPERIMENTAL_EVENT
+ msg_event_raise(US"msg:fail:delivery", addr);
+#endif
+
store_reset(reset_point);
}
diagnosis that it's reasonable to make them something that has to be explicitly requested.
*/
- #ifdef RLIMIT_CORE
+#ifdef RLIMIT_CORE
struct rlimit rl;
rl.rlim_cur = 0;
rl.rlim_max = 0;
if (setrlimit(RLIMIT_CORE, &rl) < 0)
{
- #ifdef SETRLIMIT_NOT_SUPPORTED
+# ifdef SETRLIMIT_NOT_SUPPORTED
if (errno != ENOSYS && errno != ENOTSUP)
- #endif
+# endif
log_write(0, LOG_MAIN|LOG_PANIC, "setrlimit(RLIMIT_CORE) failed: %s",
strerror(errno));
}
- #endif
+#endif
/* Reset the random number generator, so different processes don't all
have the same sequence. */
uschar *msg = p->msg;
BOOL done = p->done;
BOOL unfinished = TRUE;
+/* minimum size to read is header size including id, subid and length */
+int required = PIPE_HEADER_SIZE;
/* Loop through all items, reading from the pipe when necessary. The pipe
is set up to be non-blocking, but there are two different Unix mechanisms in
{
retry_item *r, **rp;
int remaining = endptr - ptr;
+ uschar header[PIPE_HEADER_SIZE + 1];
+ uschar id, subid;
+ uschar *endc;
/* Read (first time) or top up the chars in the buffer if necessary.
There will be only one read if we get all the available data (i.e. don't
fill the buffer completely). */
- if (remaining < 2500 && unfinished)
+ if (remaining < required && unfinished)
{
int len;
int available = big_buffer_size - remaining;
won't read any more, as "unfinished" will get set FALSE. */
endptr += len;
+ remaining += len;
unfinished = len == available;
}
/* If we are at the end of the available data, exit the loop. */
-
if (ptr >= endptr) break;
+ /* copy and read header */
+ memcpy(header, ptr, PIPE_HEADER_SIZE);
+ header[PIPE_HEADER_SIZE] = '\0';
+ id = header[0];
+ subid = header[1];
+ required = Ustrtol(header + 2, &endc, 10) + PIPE_HEADER_SIZE; /* header + data */
+ if (*endc)
+ {
+ msg = string_sprintf("failed to read pipe from transport process "
+ "%d for transport %s: error reading size from header", pid, addr->transport->driver_name);
+ done = TRUE;
+ break;
+ }
+
+ DEBUG(D_deliver)
+ debug_printf("header read id:%c,subid:%c,size:%s,required:%d,remaining:%d,unfinished:%d\n",
+ id, subid, header+2, required, remaining, unfinished);
+
+ /* is there room for the dataset we want to read ? */
+ if (required > big_buffer_size - PIPE_HEADER_SIZE)
+ {
+ msg = string_sprintf("failed to read pipe from transport process "
+ "%d for transport %s: big_buffer too small! required size=%d buffer size=%d", pid, addr->transport->driver_name,
+ required, big_buffer_size - PIPE_HEADER_SIZE);
+ done = TRUE;
+ break;
+ }
+
+ /* we wrote all datasets with atomic write() calls
+ remaining < required only happens if big_buffer was too small
+ to get all available data from pipe. unfinished has to be true
+ as well. */
+ if (remaining < required)
+ {
+ if (unfinished)
+ continue;
+ msg = string_sprintf("failed to read pipe from transport process "
+ "%d for transport %s: required size=%d > remaining size=%d and unfinished=false",
+ pid, addr->transport->driver_name, required, remaining);
+ done = TRUE;
+ break;
+ }
+
+ /* step behind the header */
+ ptr += PIPE_HEADER_SIZE;
+
/* Handle each possible type of item, assuming the complete item is
available in store. */
- switch (*ptr++)
+ switch (id)
{
/* Host items exist only if any hosts were marked unusable. Match
up by checking the IP address. */
it in with the other info, in order to keep each message short enough to
guarantee it won't be split in the pipe. */
- #ifdef SUPPORT_TLS
+#ifdef SUPPORT_TLS
case 'X':
if (addr == NULL) goto ADDR_MISMATCH; /* Below, in 'A' handler */
- switch (*ptr++)
+ switch (subid)
{
case '1':
addr->cipher = NULL;
(void) tls_import_cert(ptr, &addr->ourcert);
break;
- #ifndef DISABLE_OCSP
+# ifndef DISABLE_OCSP
case '4':
addr->ocsp = OCSP_NOT_REQ;
if (*ptr)
addr->ocsp = *ptr - '0';
break;
- #endif
+# endif
}
while (*ptr++);
break;
- #endif /*SUPPORT_TLS*/
+#endif /*SUPPORT_TLS*/
case 'C': /* client authenticator information */
- switch (*ptr++)
+ switch (subid)
{
case '1':
addr->authenticator = (*ptr)? string_copy(ptr) : NULL;
break;
#endif
- #ifdef EXPERIMENTAL_DSN
case 'D':
- if (addr == NULL) break;
+ if (addr == NULL) goto ADDR_MISMATCH;
memcpy(&(addr->dsn_aware), ptr, sizeof(addr->dsn_aware));
ptr += sizeof(addr->dsn_aware);
DEBUG(D_deliver) debug_printf("DSN read: addr->dsn_aware = %d\n", addr->dsn_aware);
break;
- #endif
case 'A':
if (addr == NULL)
continue_hostname = NULL;
}
done = TRUE;
- DEBUG(D_deliver) debug_printf("Z%c item read\n", *ptr);
+ DEBUG(D_deliver) debug_printf("Z0%c item read\n", *ptr);
break;
/* Anything else is a disaster. */
static void
-rmt_dlv_checked_write(int fd, void * buf, int size)
+rmt_dlv_checked_write(int fd, char id, char subid, void * buf, int size)
+{
+uschar writebuffer[PIPE_HEADER_SIZE + BIG_BUFFER_SIZE];
+int header_length;
+
+/* we assume that size can't get larger then BIG_BUFFER_SIZE which currently is set to 16k */
+/* complain to log if someone tries with buffer sizes we can't handle*/
+
+if (size > 99999)
+{
+ log_write(0, LOG_MAIN|LOG_PANIC_DIE,
+ "Failed writing transport result to pipe: can't handle buffers > 99999 bytes. truncating!\n");
+ size = 99999;
+}
+
+/* to keep the write() atomic we build header in writebuffer and copy buf behind */
+/* two write() calls would increase the complexity of reading from pipe */
+
+/* convert size to human readable string prepended by id and subid */
+header_length = snprintf(CS writebuffer, PIPE_HEADER_SIZE+1, "%c%c%05d", id, subid, size);
+if (header_length != PIPE_HEADER_SIZE)
{
-int ret = write(fd, buf, size);
+ log_write(0, LOG_MAIN|LOG_PANIC_DIE, "header snprintf failed\n");
+ writebuffer[0] = '\0';
+}
+
+DEBUG(D_deliver) debug_printf("header write id:%c,subid:%c,size:%d,final:%s\n",
+ id, subid, size, writebuffer);
+
+if (buf && size > 0)
+ memcpy(writebuffer + PIPE_HEADER_SIZE, buf, size);
+
+size += PIPE_HEADER_SIZE;
+int ret = write(fd, writebuffer, 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");
}
/* Get the flag which specifies whether the transport can handle different
- domains that nevertheless resolve to the same set of hosts. */
-
- multi_domain = tp->multi_domain;
+ domains that nevertheless resolve to the same set of hosts. If it needs
+ expanding, get variables set: $address_data, $domain_data, $localpart_data,
+ $host, $host_address, $host_port. */
+ if (tp->expand_multi_domain)
+ deliver_set_expansions(addr);
+
+ if (exp_bool(addr, US"transport", tp->name, D_transport,
+ US"multi_domain", tp->multi_domain, tp->expand_multi_domain,
+ &multi_domain) != OK)
+ {
+ deliver_set_expansions(NULL);
+ remote_post_process(addr, LOG_MAIN|LOG_PANIC, addr->message, fallback);
+ continue;
+ }
/* Get the maximum it can handle in one envelope, with zero meaning
unlimited, which is forced for the MUA wrapper case. */
entirely different domains. The host list pointers can be NULL in the case
where the hosts are defined in the transport. There is also a configured
maximum limit of addresses that can be handled at once (see comments above
- for how it is computed). */
+ for how it is computed).
+ If the transport does not handle multiple domains, enforce that also,
+ and if it might need a per-address check for this, re-evaluate it.
+ */
while ((next = *anchor) != NULL && address_count < address_count_max)
{
- if ((multi_domain || Ustrcmp(next->domain, addr->domain) == 0)
- &&
- tp == next->transport
- &&
- same_hosts(next->host_list, addr->host_list)
- &&
- same_strings(next->p.errors_address, addr->p.errors_address)
- &&
- same_headers(next->p.extra_headers, addr->p.extra_headers)
- &&
- same_ugid(tp, next, addr)
- &&
- (next->p.remove_headers == addr->p.remove_headers ||
- (next->p.remove_headers != NULL &&
- addr->p.remove_headers != NULL &&
- Ustrcmp(next->p.remove_headers, addr->p.remove_headers) == 0)))
+ BOOL md;
+ if ( (multi_domain || Ustrcmp(next->domain, addr->domain) == 0)
+ && tp == next->transport
+ && same_hosts(next->host_list, addr->host_list)
+ && same_strings(next->p.errors_address, addr->p.errors_address)
+ && same_headers(next->p.extra_headers, addr->p.extra_headers)
+ && same_ugid(tp, next, addr)
+ && ( next->p.remove_headers == addr->p.remove_headers
+ || ( next->p.remove_headers != NULL
+ && addr->p.remove_headers != NULL
+ && Ustrcmp(next->p.remove_headers, addr->p.remove_headers) == 0
+ ) )
+ && ( !multi_domain
+ || ( (
+ !tp->expand_multi_domain || (deliver_set_expansions(next), 1),
+ exp_bool(addr,
+ US"transport", next->transport->name, D_transport,
+ US"multi_domain", next->transport->multi_domain,
+ next->transport->expand_multi_domain, &md) == OK
+ )
+ && md
+ ) ) )
{
*anchor = next->next;
next->next = NULL;
address_count++;
}
else anchor = &(next->next);
+ deliver_set_expansions(NULL);
}
/* If we are acting as an MUA wrapper, all addresses must go in a single
that it can use either of them, though it prefers O_NONBLOCK, which
distinguishes between EOF and no-more-data. */
- #ifdef O_NONBLOCK
+#ifdef O_NONBLOCK
(void)fcntl(pfd[pipe_read], F_SETFL, O_NONBLOCK);
- #else
+#else
(void)fcntl(pfd[pipe_read], F_SETFL, O_NDELAY);
- #endif
+#endif
/* If the maximum number of subprocesses already exist, wait for a process
to finish. If we ran out of file descriptors, parmax will have been reduced
for (h = addr->host_list; h != NULL; h = h->next)
{
if (h->address == NULL || h->status < hstatus_unusable) continue;
- sprintf(CS big_buffer, "H%c%c%s", h->status, h->why, h->address);
- rmt_dlv_checked_write(fd, big_buffer, Ustrlen(big_buffer+3) + 4);
+ sprintf(CS big_buffer, "%c%c%s", h->status, h->why, h->address);
+ rmt_dlv_checked_write(fd, 'H', '0', big_buffer, Ustrlen(big_buffer+2) + 3);
}
/* The number of bytes written. This is the same for each address. Even
size of each one is the same, and it's that value we have got because
transport_count gets reset before calling transport_write_message(). */
- big_buffer[0] = 'S';
- memcpy(big_buffer+1, &transport_count, sizeof(transport_count));
- rmt_dlv_checked_write(fd, big_buffer, sizeof(transport_count) + 1);
+ memcpy(big_buffer, &transport_count, sizeof(transport_count));
+ rmt_dlv_checked_write(fd, 'S', '0', big_buffer, sizeof(transport_count));
/* Information about what happened to each address. Four item types are
used: an optional 'X' item first, for TLS information, then an optional "C"
/* The certificate verification status goes into the flags */
if (tls_out.certificate_verified) setflag(addr, af_cert_verified);
+#ifdef EXPERIMENTAL_DANE
+ if (tls_out.dane_verified) setflag(addr, af_dane_verified);
+#endif
/* Use an X item only if there's something to send */
- #ifdef SUPPORT_TLS
+#ifdef SUPPORT_TLS
if (addr->cipher)
{
ptr = big_buffer;
- sprintf(CS ptr, "X1%.128s", addr->cipher);
+ sprintf(CS ptr, "%.128s", addr->cipher);
while(*ptr++);
if (!addr->peerdn)
*ptr++ = 0;
while(*ptr++);
}
- rmt_dlv_checked_write(fd, big_buffer, ptr - big_buffer);
+ rmt_dlv_checked_write(fd, 'X', '1', big_buffer, ptr - big_buffer);
}
if (addr->peercert)
{
ptr = big_buffer;
- *ptr++ = 'X'; *ptr++ = '2';
if (!tls_export_cert(ptr, big_buffer_size-2, addr->peercert))
while(*ptr++);
else
*ptr++ = 0;
- rmt_dlv_checked_write(fd, big_buffer, ptr - big_buffer);
+ rmt_dlv_checked_write(fd, 'X', '2', big_buffer, ptr - big_buffer);
}
if (addr->ourcert)
{
ptr = big_buffer;
- *ptr++ = 'X'; *ptr++ = '3';
if (!tls_export_cert(ptr, big_buffer_size-2, addr->ourcert))
while(*ptr++);
else
*ptr++ = 0;
- rmt_dlv_checked_write(fd, big_buffer, ptr - big_buffer);
+ rmt_dlv_checked_write(fd, 'X', '3', big_buffer, ptr - big_buffer);
}
- #ifndef DISABLE_OCSP
+# ifndef DISABLE_OCSP
if (addr->ocsp > OCSP_NOT_REQ)
{
ptr = big_buffer;
- sprintf(CS ptr, "X4%c", addr->ocsp + '0');
+ sprintf(CS ptr, "%c", addr->ocsp + '0');
while(*ptr++);
- rmt_dlv_checked_write(fd, big_buffer, ptr - big_buffer);
+ rmt_dlv_checked_write(fd, 'X', '4', big_buffer, ptr - big_buffer);
}
- # endif
- #endif /*SUPPORT_TLS*/
+# endif
+#endif /*SUPPORT_TLS*/
if (client_authenticator)
{
ptr = big_buffer;
- sprintf(CS big_buffer, "C1%.64s", client_authenticator);
+ sprintf(CS big_buffer, "%.64s", client_authenticator);
while(*ptr++);
- rmt_dlv_checked_write(fd, big_buffer, ptr - big_buffer);
+ rmt_dlv_checked_write(fd, 'C', '1', big_buffer, ptr - big_buffer);
}
if (client_authenticated_id)
{
ptr = big_buffer;
- sprintf(CS big_buffer, "C2%.64s", client_authenticated_id);
+ sprintf(CS big_buffer, "%.64s", client_authenticated_id);
while(*ptr++);
- rmt_dlv_checked_write(fd, big_buffer, ptr - big_buffer);
+ rmt_dlv_checked_write(fd, 'C', '2', big_buffer, ptr - big_buffer);
}
if (client_authenticated_sender)
{
ptr = big_buffer;
- sprintf(CS big_buffer, "C3%.64s", client_authenticated_sender);
+ sprintf(CS big_buffer, "%.64s", client_authenticated_sender);
while(*ptr++);
- rmt_dlv_checked_write(fd, big_buffer, ptr - big_buffer);
+ rmt_dlv_checked_write(fd, 'C', '3', big_buffer, ptr - big_buffer);
}
- #ifndef DISABLE_PRDR
+#ifndef DISABLE_PRDR
if (addr->flags & af_prdr_used)
- rmt_dlv_checked_write(fd, "P", 1);
- #endif
+ rmt_dlv_checked_write(fd, 'P', '0', NULL, 0);
+#endif
- #ifdef EXPERIMENTAL_DSN
- big_buffer[0] = 'D';
- memcpy(big_buffer+1, &addr->dsn_aware, sizeof(addr->dsn_aware));
- rmt_dlv_checked_write(fd, big_buffer, sizeof(addr->dsn_aware) + 1);
+ memcpy(big_buffer, &addr->dsn_aware, sizeof(addr->dsn_aware));
+ rmt_dlv_checked_write(fd, 'D', '0', big_buffer, sizeof(addr->dsn_aware));
DEBUG(D_deliver) debug_printf("DSN write: addr->dsn_aware = %d\n", addr->dsn_aware);
- #endif
/* Retry information: for most success cases this will be null. */
for (r = addr->retries; r != NULL; r = r->next)
{
uschar *ptr;
- sprintf(CS big_buffer, "R%c%.500s", r->flags, r->key);
+ sprintf(CS big_buffer, "%c%.500s", r->flags, r->key);
ptr = big_buffer + Ustrlen(big_buffer+2) + 3;
memcpy(ptr, &(r->basic_errno), sizeof(r->basic_errno));
ptr += sizeof(r->basic_errno);
sprintf(CS ptr, "%.512s", r->message);
while(*ptr++);
}
- rmt_dlv_checked_write(fd, big_buffer, ptr - big_buffer);
+ rmt_dlv_checked_write(fd, 'R', '0', big_buffer, ptr - big_buffer);
}
/* The rest of the information goes in an 'A' item. */
- ptr = big_buffer + 3;
- sprintf(CS big_buffer, "A%c%c", addr->transport_return,
+ ptr = big_buffer + 2;
+ sprintf(CS big_buffer, "%c%c", addr->transport_return,
addr->special_action);
memcpy(ptr, &(addr->basic_errno), sizeof(addr->basic_errno));
ptr += sizeof(addr->basic_errno);
: addr->host_used->dnssec==DS_NO ? '1' : '0';
}
- rmt_dlv_checked_write(fd, big_buffer, ptr - big_buffer);
+ rmt_dlv_checked_write(fd, 'A', '0', big_buffer, ptr - big_buffer);
}
/* Add termination flag, close the pipe, and that's it. The character
A change from non-NULL to NULL indicates a problem with a continuing
connection. */
- big_buffer[0] = 'Z';
- big_buffer[1] = (continue_transport == NULL)? '0' : '1';
- rmt_dlv_checked_write(fd, big_buffer, 2);
+ big_buffer[0] = (continue_transport == NULL)? '0' : '1';
+ rmt_dlv_checked_write(fd, 'Z', '0', big_buffer, 1);
(void)close(fd);
exit(EXIT_SUCCESS);
}
string_printing(original));
}
+if (addr->host_used)
+ fprintf(f, "\n host %s [%s]",
+ addr->host_used->name, addr->host_used->address);
+
fprintf(f, "%s", CS se);
return yield;
}
}
+/***********************************************************
+* Print Diagnostic-Code for an address *
+************************************************************/
+/* This function is called to print the error information out of an address for
+a bounce or a warning message. It tries to format the message reasonably as
+required by RFC 3461 by adding a space after each newline
+we assume that this function is only called if addr->host_used is set and if so
+a useable addr->message is available containing some Exim description with ": \n"
+ending, followed by the L/SMTP error message.
+
+Arguments:
+ addr the address
+ f the FILE to print on
+
+Returns: nothing
+*/
+
+static void
+print_dsn_diagnostic_code(const address_item *addr, FILE *f)
+{
+uschar * s;
+
+/* check host_used, af_pass_message flag and addr->message for safety reasons */
+if (!addr->host_used && testflag(addr, af_pass_message) && addr->message)
+ return;
+
+/* search first ": ". we assume to find the remote-MTA answer there */
+DEBUG(D_deliver)
+ debug_printf("DSN Diagnostic-Code: addr->dsn_message = %s\n", addr->message);
+if (!(s = Ustrstr(addr->message, ": ")))
+ return; /* not found, bail out */
+
+fprintf(f, "Diagnostic-Code: smtp; ");
+
+s += 2; /* skip ": " */
+while (*s)
+ if (*s == '\\' && s[1] == 'n')
+ {
+ fputs("\n ", f); /* as defined in RFC 3461 */
+ s += 2;
+ }
+ else
+ fputc(*s++, f);
+
+fputc('\n', f);
+}
/*************************************************
if (deliver_freeze)
{
- #ifdef SUPPORT_MOVE_FROZEN_MESSAGES
+#ifdef SUPPORT_MOVE_FROZEN_MESSAGES
/* Moving to another directory removes the message from Exim's view. Other
tools must be used to deal with it. Logging of this action happens in
spool_move_message() and its subfunctions. */
if (move_frozen_messages &&
spool_move_message(id, message_subdir, US"", US"F"))
return continue_closedown(); /* yields DELIVER_NOT_ATTEMPTED */
- #endif
+#endif
/* For all frozen messages (bounces or not), timeout_frozen_after sets the
maximum time to keep messages that are frozen. Thaw if we reach it, with a
if (r->pno >= 0)
new->onetime_parent = recipients_list[r->pno].address;
- #ifdef EXPERIMENTAL_DSN
/* If DSN support is enabled, set the dsn flags and the original receipt
to be passed on to other DSN enabled MTAs */
new->dsn_flags = r->dsn_flags & rf_dsnflags;
new->dsn_orcpt = r->orcpt;
DEBUG(D_deliver) debug_printf("DSN: set orcpt: %s flags: %d\n", new->dsn_orcpt, new->dsn_flags);
- #endif
switch (process_recipients)
{
addr_last = new;
break;
}
+
+#ifdef EXPERIMENTAL_EVENT
+ if (process_recipients != RECIP_ACCEPT)
+ {
+ uschar * save_local = deliver_localpart;
+ uschar * save_domain = deliver_domain;
+
+ deliver_localpart = expand_string(
+ string_sprintf("${local_part:%s}", new->address));
+ deliver_domain = expand_string(
+ string_sprintf("${domain:%s}", new->address));
+
+ (void) event_raise(event_action,
+ US"msg:fail:internal", new->message);
+
+ deliver_localpart = save_local;
+ deliver_domain = save_domain;
+ }
+#endif
}
}
}
regex_must_compile(US"\\n250[\\s\\-]AUTH\\s+([\\-\\w\\s]+)(?:\\n|$)",
FALSE, TRUE);
- #ifdef SUPPORT_TLS
+#ifdef SUPPORT_TLS
if (regex_STARTTLS == NULL) regex_STARTTLS =
regex_must_compile(US"\\n250[\\s\\-]STARTTLS(\\s|\\n|$)", FALSE, TRUE);
- #endif
+#endif
- #ifndef DISABLE_PRDR
+#ifndef DISABLE_PRDR
if (regex_PRDR == NULL) regex_PRDR =
regex_must_compile(US"\\n250[\\s\\-]PRDR(\\s|\\n|$)", FALSE, TRUE);
- #endif
+#endif
- #ifdef EXPERIMENTAL_DSN
/* Set the regex to check for DSN support on remote MTA */
if (regex_DSN == NULL) regex_DSN =
regex_must_compile(US"\\n250[\\s\\-]DSN(\\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
{
uschar *s = (addr_failed->user_message != NULL)?
addr_failed->user_message : addr_failed->message;
+ host_item * host;
fprintf(stderr, "Delivery failed: ");
if (addr_failed->basic_errno > 0)
fprintf(stderr, "%s", strerror(addr_failed->basic_errno));
if (s != NULL) fprintf(stderr, ": ");
}
+ if ((host = addr_failed->host_used))
+ fprintf(stderr, "H=%s [%s]: ", host->name, host->address);
if (s == NULL)
{
if (addr_failed->basic_errno <= 0) fprintf(stderr, "unknown error");
else if (!dont_deliver) retry_update(&addr_defer, &addr_failed, &addr_succeed);
-#ifdef EXPERIMENTAL_DSN
/* Send DSN for successful messages */
addr_dsntmp = addr_succeed;
addr_senddsn = NULL;
FILE *f = fdopen(fd, "wb");
/* header only as required by RFC. only failure DSN needs to honor RET=FULL */
int topt = topt_add_return_path | topt_no_body;
- uschar boundaryStr[64];
+ uschar * bound;
DEBUG(D_deliver) debug_printf("sending error message to: %s\n", sender_address);
/* build unique id for MIME boundary */
- snprintf(boundaryStr, sizeof(boundaryStr)-1, TIME_T_FMT "-eximdsn-%d",
- time(NULL), rand());
- DEBUG(D_deliver) debug_printf("DSN: MIME boundary: %s\n", boundaryStr);
+ bound = string_sprintf(TIME_T_FMT "-eximdsn-%d", time(NULL), rand());
+ DEBUG(D_deliver) debug_printf("DSN: MIME boundary: %s\n", bound);
if (errors_reply_to)
fprintf(f, "Reply-To: %s\n", errors_reply_to);
"This message was created automatically by mail delivery software.\n"
" ----- The following addresses had successful delivery notifications -----\n",
- qualify_domain_sender, sender_address, boundaryStr, boundaryStr);
+ qualify_domain_sender, sender_address, bound, bound);
addr_dsntmp = addr_senddsn;
while(addr_dsntmp)
fprintf(f, "--%s\n"
"Content-type: message/delivery-status\n\n"
"Reporting-MTA: dns; %s\n",
- boundaryStr, smtp_active_hostname);
+ bound, smtp_active_hostname);
if (dsn_envid != NULL) {
/* must be decoded from xtext: see RFC 3461:6.3a */
fputc('\n', f);
}
- fprintf(f, "--%s\nContent-type: text/rfc822-headers\n\n", boundaryStr);
+ fprintf(f, "--%s\nContent-type: text/rfc822-headers\n\n", bound);
fflush(f);
transport_filter_argv = NULL; /* Just in case */
transport_write_message(NULL, fileno(f), topt, 0, NULL, NULL, NULL, NULL, NULL, 0);
fflush(f);
- fprintf(f,"\n");
- fprintf(f,"--%s--\n", boundaryStr);
+ fprintf(f,"\n--%s--\n", bound);
fflush(f);
fclose(f);
rc = child_close(pid, 0); /* Waits for child to close, no timeout */
}
}
-#endif /*EXPERIMENTAL_DSN*/
/* If any addresses failed, we must send a message to somebody, unless
af_ignore_error is set, in which case no action is taken. It is possible for
it from the list, throw away any saved message file, log it, and
mark the recipient done. */
- if (testflag(addr_failed, af_ignore_error)
-#ifdef EXPERIMENTAL_DSN
- || (((addr_failed->dsn_flags & rf_dsnflags) != 0)
- && ((addr_failed->dsn_flags & rf_notify_failure) != rf_notify_failure))
-#endif
+ if ( testflag(addr_failed, af_ignore_error)
+ || ( ((addr_failed->dsn_flags & rf_dsnflags) != 0)
+ && ((addr_failed->dsn_flags & rf_notify_failure) != rf_notify_failure))
)
{
addr = addr_failed;
BOOL to_sender = strcmpic(sender_address, bounce_recipient) == 0;
int max = (bounce_return_size_limit/DELIVER_IN_BUFFER_SIZE + 1) *
DELIVER_IN_BUFFER_SIZE;
-#ifdef EXPERIMENTAL_DSN
- uschar boundaryStr[64];
+ uschar * bound;
uschar *dsnlimitmsg;
uschar *dsnnotifyhdr;
int topt;
-#endif
DEBUG(D_deliver)
debug_printf("sending error message to: %s\n", bounce_recipient);
moan_write_from(f);
fprintf(f, "To: %s\n", bounce_recipient);
-#ifdef EXPERIMENTAL_DSN
/* generate boundary string and output MIME-Headers */
- snprintf(boundaryStr, sizeof(boundaryStr)-1, TIME_T_FMT "-eximdsn-%d",
- time(NULL), rand());
+ bound = string_sprintf(TIME_T_FMT "-eximdsn-%d", time(NULL), rand());
fprintf(f, "Content-Type: multipart/report;"
" report-type=delivery-status; boundary=%s\n"
"MIME-Version: 1.0\n",
- boundaryStr);
-#endif
+ bound);
/* Open a template file if one is provided. Log failure to open, but
carry on - default texts will be used. */
fprintf(f, "Subject: Mail delivery failed%s\n\n",
to_sender? ": returning message to sender" : "");
-#ifdef EXPERIMENTAL_DSN
/* output human readable part as text/plain section */
fprintf(f, "--%s\n"
"Content-type: text/plain; charset=us-ascii\n\n",
- boundaryStr);
-#endif
+ bound);
if ((emf_text = next_emf(emf, US"intro")))
fprintf(f, "%s", CS emf_text);
fputc('\n', f);
}
-#ifdef EXPERIMENTAL_DSN
/* output machine readable part */
fprintf(f, "--%s\n"
"Content-type: message/delivery-status\n\n"
"Reporting-MTA: dns; %s\n",
- boundaryStr, smtp_active_hostname);
+ bound, smtp_active_hostname);
if (dsn_envid)
{
"Status: 5.0.0\n",
addr->address);
if (addr->host_used && addr->host_used->name)
- fprintf(f, "Remote-MTA: dns; %s\nDiagnostic-Code: smtp; %d\n",
- addr->host_used->name, addr->basic_errno);
+ {
+ fprintf(f, "Remote-MTA: dns; %s\n",
+ addr->host_used->name);
+ print_dsn_diagnostic_code(addr, f);
+ }
}
-#endif
/* Now copy the message, trying to give an intelligible comment if
it is too long for it all to be copied. The limit isn't strictly
emf_text = next_emf(emf, US"copy");
-#ifndef EXPERIMENTAL_DSN
- if (bounce_return_message)
- {
- int topt = topt_add_return_path;
- if (!bounce_return_body) topt |= topt_no_body;
-
- if (emf_text)
- fprintf(f, "%s", CS emf_text);
- else
- {
- if (bounce_return_body) fprintf(f,
-"------ This is a copy of the message, including all the headers. ------\n");
- else fprintf(f,
-"------ This is a copy of the message's headers. ------\n");
- }
-
- /* While reading the "truncated" message, set return_size_limit to
- the actual max testing value, rounded. We need to read the message
- whether we are going to use it or not. */
-
- {
- int temp = bounce_return_size_limit;
- bounce_return_size_limit = (max/1000)*1000;
- emf_text = next_emf(emf, US"truncated");
- bounce_return_size_limit = temp;
- }
-
- if (bounce_return_body && bounce_return_size_limit > 0)
- {
- struct stat statbuf;
- if (fstat(deliver_datafile, &statbuf) == 0 && statbuf.st_size > max)
- if (emf_text)
- fprintf(f, "%s", CS emf_text);
- else
- fprintf(f,
-"------ 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);
- }
-
- fputc('\n', f);
- fflush(f);
-
- transport_filter_argv = NULL; /* Just in case */
- return_path = sender_address; /* In case not previously set */
- transport_write_message(NULL, fileno(f), topt,
- bounce_return_size_limit, NULL, NULL, NULL, NULL, NULL, 0);
- }
-
- /* Write final text and close the template file if one is open */
-
- if (emf)
- {
- if ((emf_text = next_emf(emf, US"final")))
- fprintf(f, "%s", CS emf_text);
- (void)fclose(emf);
- }
-#else
/* add message body
we ignore the intro text from template and add
the text for bounce_return_size_limit at the end.
bounce_return_size_limit is always honored.
*/
- fprintf(f, "\n--%s\n", boundaryStr);
+ fprintf(f, "\n--%s\n", bound);
dsnlimitmsg = US"X-Exim-DSN-Information: Due to administrative limits only headers are returned";
dsnnotifyhdr = NULL;
if (emf)
(void)fclose(emf);
- fprintf(f, "\n--%s--\n", boundaryStr);
-#endif /*EXPERIMENTAL_DSN*/
+ fprintf(f, "\n--%s--\n", bound);
/* Close the file, which should send an EOF to the child process
that is receiving the message. Wait for it to finish. */
/* Unset deliver_freeze so that we won't try to move the spool files further down */
deliver_freeze = FALSE;
- }
+
+#ifdef EXPERIMENTAL_EVENT
+ (void) event_raise(event_action, US"msg:complete", NULL);
+#endif
+}
/* If there are deferred addresses, we are keeping this message because it is
not yet completed. Lose any temporary files that were catching output from
is not sent. Another attempt will be made at the next delivery attempt (if
it also defers). */
- if (!queue_2stage && delivery_attempted &&
-#ifdef EXPERIMENTAL_DSN
- (((addr_defer->dsn_flags & rf_dsnflags) == 0) ||
- (addr_defer->dsn_flags & rf_notify_delay) == rf_notify_delay) &&
-#endif
- delay_warning[1] > 0 && sender_address[0] != 0 &&
- (delay_warning_condition == NULL ||
- expand_check_condition(delay_warning_condition,
- US"delay_warning", US"option")))
+ if ( !queue_2stage
+ && delivery_attempted
+ && ( ((addr_defer->dsn_flags & rf_dsnflags) == 0)
+ || (addr_defer->dsn_flags & rf_notify_delay) == rf_notify_delay
+ )
+ && delay_warning[1] > 0
+ && sender_address[0] != 0
+ && ( delay_warning_condition == NULL
+ || expand_check_condition(delay_warning_condition,
+ US"delay_warning", US"option")
+ )
+ )
{
int count;
int show_time;
uschar *wmf_text;
FILE *wmf = NULL;
FILE *f = fdopen(fd, "wb");
-#ifdef EXPERIMENTAL_DSN
- uschar boundaryStr[64];
-#endif
+ uschar * bound;
if (warn_message_file)
{
moan_write_from(f);
fprintf(f, "To: %s\n", recipients);
-#ifdef EXPERIMENTAL_DSN
/* generated boundary string and output MIME-Headers */
- snprintf(boundaryStr, sizeof(boundaryStr)-1,
- TIME_T_FMT "-eximdsn-%d", time(NULL), rand());
+ bound = string_sprintf(TIME_T_FMT "-eximdsn-%d", time(NULL), rand());
fprintf(f, "Content-Type: multipart/report;"
" report-type=delivery-status; boundary=%s\n"
"MIME-Version: 1.0\n",
- boundaryStr);
-#endif
+ bound);
if ((wmf_text = next_emf(wmf, US"header")))
fprintf(f, "%s\n", wmf_text);
fprintf(f, "Subject: Warning: message %s delayed %s\n\n",
message_id, warnmsg_delay);
-#ifdef EXPERIMENTAL_DSN
/* output human readable part as text/plain section */
fprintf(f, "--%s\n"
"Content-type: text/plain; charset=us-ascii\n\n",
- boundaryStr);
-#endif
+ bound);
if ((wmf_text = next_emf(wmf, US"intro")))
fprintf(f, "%s", CS wmf_text);
/* List the addresses, with error information if allowed */
-#ifdef EXPERIMENTAL_DSN
/* store addr_defer for machine readable part */
address_item *addr_dsndefer = addr_defer;
-#endif
fputc('\n', f);
while (addr_defer)
{
"and when that happens, the message will be returned to you.\n");
}
-#ifdef EXPERIMENTAL_DSN
/* output machine readable part */
fprintf(f, "\n--%s\n"
"Content-type: message/delivery-status\n\n"
"Reporting-MTA: dns; %s\n",
- boundaryStr,
+ bound,
smtp_active_hostname);
fprintf(f,"Final-Recipient: rfc822;%s\n", addr_dsndefer->address);
fprintf(f,"Status: 4.0.0\n");
if (addr_dsndefer->host_used && addr_dsndefer->host_used->name)
- fprintf(f,"Remote-MTA: dns; %s\nDiagnostic-Code: smtp; %d\n",
- addr_dsndefer->host_used->name, addr_dsndefer->basic_errno);
+ {
+ fprintf(f,"Remote-MTA: dns; %s\n",
+ addr_dsndefer->host_used->name);
+ print_dsn_diagnostic_code(addr_dsndefer, f);
+ }
addr_dsndefer = addr_dsndefer->next;
}
fprintf(f, "\n--%s\n"
"Content-type: text/rfc822-headers\n\n",
- boundaryStr);
+ bound);
fflush(f);
/* header only as required by RFC. only failure DSN needs to honor RET=FULL */
transport_write_message(NULL, fileno(f), topt, 0, NULL, NULL, NULL, NULL, NULL, 0);
fflush(f);
- fprintf(f,"\n--%s--\n", boundaryStr);
+ fprintf(f,"\n--%s--\n", bound);
fflush(f);
-#endif /*EXPERIMENTAL_DSN*/
/* Close and wait for child process to complete, without a timeout.
If there's an error, don't update the count. */
/* Move the message off the spool if reqested */
- #ifdef SUPPORT_MOVE_FROZEN_MESSAGES
+#ifdef SUPPORT_MOVE_FROZEN_MESSAGES
if (deliver_freeze && move_frozen_messages)
(void)spool_move_message(id, message_subdir, US"", US"F");
- #endif
+#endif
}
/* Closing the data file frees the lock; if the file has been unlinked it
git://git.exim.org / users / jgh / exim.git / blobdiff