directory if it does not exist. From release 4.21, normal message logs should
be created when the message is received.
+Called from deliver_message(), can be operating as root.
+
Argument:
filename the file name
mode the mode required
static int
open_msglog_file(uschar *filename, int mode, uschar **error)
{
-int fd = Uopen(filename, O_WRONLY|O_APPEND|O_CREAT, mode);
+int fd, i;
-if (fd < 0 && errno == ENOENT)
+for (i = 2; i > 0; i--)
{
+ fd = Uopen(filename,
+#ifdef O_CLOEXEC
+ O_CLOEXEC |
+#endif
+#ifdef O_NOFOLLOW
+ O_NOFOLLOW |
+#endif
+ O_WRONLY|O_APPEND|O_CREAT, mode);
+ if (fd >= 0)
+ {
+ /* Set the close-on-exec flag and change the owner to the exim uid/gid (this
+ function is called as root). Double check the mode, because the group setting
+ doesn't always get set automatically. */
+
+#ifndef O_CLOEXEC
+ (void)fcntl(fd, F_SETFD, fcntl(fd, F_GETFD) | FD_CLOEXEC);
+#endif
+ if (fchown(fd, exim_uid, exim_gid) < 0)
+ {
+ *error = US"chown";
+ return -1;
+ }
+ if (fchmod(fd, mode) < 0)
+ {
+ *error = US"chmod";
+ return -1;
+ }
+ return fd;
+ }
+ if (errno != ENOENT)
+ break;
+
(void)directory_make(spool_directory,
spool_sname(US"msglog", message_subdir),
MSGLOG_DIRECTORY_MODE, TRUE);
- fd = Uopen(filename, O_WRONLY|O_APPEND|O_CREAT, mode);
}
-/* Set the close-on-exec flag and change the owner to the exim uid/gid (this
-function is called as root). Double check the mode, because the group setting
-doesn't always get set automatically. */
-
-if (fd >= 0)
- {
- (void)fcntl(fd, F_SETFD, fcntl(fd, F_GETFD) | FD_CLOEXEC);
- if (fchown(fd, exim_uid, exim_gid) < 0)
- {
- *error = US"chown";
- return -1;
- }
- if (fchmod(fd, mode) < 0)
- {
- *error = US"chmod";
- return -1;
- }
- }
-else *error = US"create";
-
-return fd;
+*error = US"create";
+return -1;
}
two = end_two;
}
+ /* if the names matched but ports do not, mismatch */
+ else if (one->port != two->port)
+ return FALSE;
+
/* Hosts matched */
one = one->next;
while (addr->parent)
{
addr = addr->parent;
- if ((addr->child_count -= 1) > 0) return; /* Incomplete parent */
+ if (--addr->child_count > 0) return; /* Incomplete parent */
address_done(addr, now);
/* Log the completion of all descendents only when there is no ancestor with
s = string_append(s, sp, pp, 2, US" H=", h->name);
if (LOGGING(dnssec) && h->dnssec == DS_YES)
- s = string_cat(s, sp, pp, US" DS");
+ s = string_catn(s, sp, pp, US" DS", 3);
s = string_append(s, sp, pp, 3, US" [", h->address, US"]");
+/******************************************************************************/
+
+
+/*************************************************
+* Generate local prt for logging *
+*************************************************/
+
+/* This function is a subroutine for use in string_log_address() below.
+
+Arguments:
+ addr the address being logged
+ yield the current dynamic buffer pointer
+ sizeptr points to current size
+ ptrptr points to current insert pointer
+
+Returns: the new value of the buffer pointer
+*/
+
+static uschar *
+string_get_localpart(address_item *addr, uschar *yield, int *sizeptr,
+ int *ptrptr)
+{
+uschar * s;
+
+s = addr->prefix;
+if (testflag(addr, af_include_affixes) && s)
+ {
+#ifdef SUPPORT_I18N
+ if (testflag(addr, af_utf8_downcvt))
+ s = string_localpart_utf8_to_alabel(s, NULL);
+#endif
+ yield = string_cat(yield, sizeptr, ptrptr, s);
+ }
+
+s = addr->local_part;
+#ifdef SUPPORT_I18N
+if (testflag(addr, af_utf8_downcvt))
+ s = string_localpart_utf8_to_alabel(s, NULL);
+#endif
+yield = string_cat(yield, sizeptr, ptrptr, s);
+
+s = addr->suffix;
+if (testflag(addr, af_include_affixes) && s)
+ {
+#ifdef SUPPORT_I18N
+ if (testflag(addr, af_utf8_downcvt))
+ s = string_localpart_utf8_to_alabel(s, NULL);
+#endif
+ yield = string_cat(yield, sizeptr, ptrptr, s);
+ }
+
+return yield;
+}
+
+
+/*************************************************
+* Generate log address list *
+*************************************************/
+
+/* This function generates a list consisting of an address and its parents, for
+use in logging lines. For saved onetime aliased addresses, the onetime parent
+field is used. If the address was delivered by a transport with rcpt_include_
+affixes set, the af_include_affixes bit will be set in the address. In that
+case, we include the affixes here too.
+
+Arguments:
+ str points to start of growing string, or NULL
+ size points to current allocation for string
+ ptr points to offset for append point; updated on exit
+ addr bottom (ultimate) address
+ all_parents if TRUE, include all parents
+ success TRUE for successful delivery
+
+Returns: a growable string in dynamic store
+*/
+
+static uschar *
+string_log_address(uschar * str, int * size, int * ptr,
+ address_item *addr, BOOL all_parents, BOOL success)
+{
+BOOL add_topaddr = TRUE;
+address_item *topaddr;
+
+/* Find the ultimate parent */
+
+for (topaddr = addr; topaddr->parent; topaddr = topaddr->parent) ;
+
+/* We start with just the local part for pipe, file, and reply deliveries, and
+for successful local deliveries from routers that have the log_as_local flag
+set. File deliveries from filters can be specified as non-absolute paths in
+cases where the transport is going to complete the path. If there is an error
+before this happens (expansion failure) the local part will not be updated, and
+so won't necessarily look like a path. Add extra text for this case. */
+
+if ( testflag(addr, af_pfr)
+ || ( success
+ && addr->router && addr->router->log_as_local
+ && addr->transport && addr->transport->info->local
+ ) )
+ {
+ if (testflag(addr, af_file) && addr->local_part[0] != '/')
+ str = string_catn(str, size, ptr, CUS"save ", 5);
+ str = string_get_localpart(addr, str, size, ptr);
+ }
+
+/* Other deliveries start with the full address. It we have split it into local
+part and domain, use those fields. Some early failures can happen before the
+splitting is done; in those cases use the original field. */
+
+else
+ {
+ uschar * cmp = str + *ptr;
+
+ if (addr->local_part)
+ {
+ const uschar * s;
+ str = string_get_localpart(addr, str, size, ptr);
+ str = string_catn(str, size, ptr, US"@", 1);
+ s = addr->domain;
+#ifdef SUPPORT_I18N
+ if (testflag(addr, af_utf8_downcvt))
+ s = string_localpart_utf8_to_alabel(s, NULL);
+#endif
+ str = string_cat(str, size, ptr, s);
+ }
+ else
+ str = string_cat(str, size, ptr, addr->address);
+
+ /* If the address we are going to print is the same as the top address,
+ and all parents are not being included, don't add on the top address. First
+ of all, do a caseless comparison; if this succeeds, do a caseful comparison
+ on the local parts. */
+
+ str[*ptr] = 0;
+ if ( strcmpic(cmp, topaddr->address) == 0
+ && Ustrncmp(cmp, topaddr->address, Ustrchr(cmp, '@') - cmp) == 0
+ && !addr->onetime_parent
+ && (!all_parents || !addr->parent || addr->parent == topaddr)
+ )
+ add_topaddr = FALSE;
+ }
+
+/* If all parents are requested, or this is a local pipe/file/reply, and
+there is at least one intermediate parent, show it in brackets, and continue
+with all of them if all are wanted. */
+
+if ( (all_parents || testflag(addr, af_pfr))
+ && addr->parent
+ && addr->parent != topaddr)
+ {
+ uschar *s = US" (";
+ address_item *addr2;
+ for (addr2 = addr->parent; addr2 != topaddr; addr2 = addr2->parent)
+ {
+ str = string_catn(str, size, ptr, s, 2);
+ str = string_cat (str, size, ptr, addr2->address);
+ if (!all_parents) break;
+ s = US", ";
+ }
+ str = string_catn(str, size, ptr, US")", 1);
+ }
+
+/* Add the top address if it is required */
+
+if (add_topaddr)
+ str = string_append(str, size, ptr, 3,
+ US" <",
+ addr->onetime_parent ? addr->onetime_parent : topaddr->address,
+ US">");
+
+return str;
+}
+
+
+/******************************************************************************/
+
+
+
/* 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.
void
delivery_log(int flags, address_item * addr, int logchar, uschar * msg)
{
-uschar *log_address;
int size = 256; /* Used for a temporary, */
int ptr = 0; /* expanding buffer, for */
-uschar *s; /* building log lines; */
-void *reset_point; /* released afterwards. */
+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
s = reset_point = store_get(size);
-log_address = string_log_address(addr, LOGGING(all_parents), TRUE);
if (msg)
- s = string_append(s, &size, &ptr, 3, host_and_ident(TRUE), US" ", log_address);
+ s = string_append(s, &size, &ptr, 2, host_and_ident(TRUE), US" ");
else
{
s[ptr++] = logchar;
- s = string_append(s, &size, &ptr, 2, US"> ", log_address);
+ s = string_catn(s, &size, &ptr, US"> ", 2);
}
+s = string_log_address(s, &size, &ptr, addr, LOGGING(all_parents), TRUE);
if (LOGGING(sender_on_delivery) || msg)
s = string_append(s, &size, &ptr, 3, US" F=<",
#ifndef DISABLE_PRDR
if (addr->flags & af_prdr_used)
- s = string_append(s, &size, &ptr, 1, US" PRDR");
+ s = string_catn(s, &size, &ptr, US" PRDR", 5);
#endif
+
+ if (addr->flags & af_chunking_used)
+ s = string_catn(s, &size, &ptr, US" K", 2);
}
/* confirmation message (SMTP (host_used) and LMTP (driver_name)) */
+static void
+deferral_log(address_item * addr, uschar * now,
+ int logflags, uschar * driver_name, uschar * driver_kind)
+{
+int size = 256; /* Used for a temporary, */
+int ptr = 0; /* expanding buffer, for */
+uschar * s; /* building log lines; */
+void * reset_point; /* released afterwards. */
+
+uschar ss[32];
+
+/* Build up the line that is used for both the message log and the main
+log. */
+
+s = reset_point = store_get(size);
+
+/* Create the address string for logging. Must not do this earlier, because
+an OK result may be changed to FAIL when a pipe returns text. */
+
+s = string_log_address(s, &size, &ptr, addr, LOGGING(all_parents), FALSE);
+
+if (*queue_name)
+ s = string_append(s, &size, &ptr, 2, US" Q=", queue_name);
+
+/* Either driver_name contains something and driver_kind contains
+" router" or " transport" (note the leading space), or driver_name is
+a null string and driver_kind contains "routing" without the leading
+space, if all routing has been deferred. When a domain has been held,
+so nothing has been done at all, both variables contain null strings. */
+
+if (driver_name)
+ {
+ if (driver_kind[1] == 't' && addr->router)
+ s = string_append(s, &size, &ptr, 2, US" R=", addr->router->name);
+ Ustrcpy(ss, " ?=");
+ ss[1] = toupper(driver_kind[1]);
+ s = string_append(s, &size, &ptr, 2, ss, driver_name);
+ }
+else if (driver_kind)
+ s = string_append(s, &size, &ptr, 2, US" ", driver_kind);
+
+/*XXX need an s+s+p sprintf */
+sprintf(CS ss, " defer (%d)", addr->basic_errno);
+s = string_cat(s, &size, &ptr, ss);
+
+if (addr->basic_errno > 0)
+ 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 (LOGGING(outgoing_port))
+ {
+ int port = addr->host_used->port;
+ s = string_append(s, &size, &ptr, 2,
+ US":", port == PORT_NONE ? US"25" : string_sprintf("%d", port));
+ }
+ }
+
+if (addr->message)
+ s = string_append(s, &size, &ptr, 2, US": ", addr->message);
+
+s[ptr] = 0;
+
+/* Log the deferment in the message log, but don't clutter it
+up with retry-time defers after the first delivery attempt. */
+
+if (deliver_firsttime || addr->basic_errno > ERRNO_RETRY_BASE)
+ deliver_msglog("%s %s\n", now, s);
+
+/* Write the main log and reset the store.
+For errors of the type "retry time not reached" (also remotes skipped
+on queue run), logging is controlled by L_retry_defer. Note that this kind
+of error number is negative, and all the retry ones are less than any
+others. */
+
+
+log_write(addr->basic_errno <= ERRNO_RETRY_BASE ? L_retry_defer : 0, logflags,
+ "== %s", s);
+
+store_reset(reset_point);
+return;
+}
+
+
+
+static void
+failure_log(address_item * addr, uschar * driver_kind, uschar * now)
+{
+int size = 256; /* Used for a temporary, */
+int ptr = 0; /* expanding buffer, for */
+uschar * s; /* building log lines; */
+void * reset_point; /* released afterwards. */
+
+/* Build up the log line for the message and main logs */
+
+s = reset_point = store_get(size);
+
+/* Create the address string for logging. Must not do this earlier, because
+an OK result may be changed to FAIL when a pipe returns text. */
+
+s = string_log_address(s, &size, &ptr, addr, LOGGING(all_parents), FALSE);
+
+if (LOGGING(sender_on_delivery))
+ s = string_append(s, &size, &ptr, 3, US" F=<", sender_address, US">");
+
+if (*queue_name)
+ s = string_append(s, &size, &ptr, 2, US" Q=", queue_name);
+
+/* Return path may not be set if no delivery actually happened */
+
+if (used_return_path && LOGGING(return_path_on_delivery))
+ s = string_append(s, &size, &ptr, 3, US" P=<", used_return_path, US">");
+
+if (addr->router)
+ s = string_append(s, &size, &ptr, 2, US" R=", addr->router->name);
+if (addr->transport)
+ s = string_append(s, &size, &ptr, 2, US" T=", addr->transport->name);
+
+if (addr->host_used)
+ s = d_hostlog(s, &size, &ptr, addr);
+
+#ifdef SUPPORT_TLS
+s = d_tlslog(s, &size, &ptr, addr);
+#endif
+
+if (addr->basic_errno > 0)
+ s = string_append(s, &size, &ptr, 2, US": ", US strerror(addr->basic_errno));
+
+if (addr->message)
+ s = string_append(s, &size, &ptr, 2, US": ", addr->message);
+
+s[ptr] = 0;
+
+/* Do the logging. For the message log, "routing failed" for those cases,
+just to make it clearer. */
+
+if (driver_kind)
+ deliver_msglog("%s %s failed for %s\n", now, driver_kind, s);
+else
+ deliver_msglog("%s %s\n", now, s);
+
+log_write(0, LOG_MAIN, "** %s", s);
+
+#ifndef DISABLE_EVENT
+msg_event_raise(US"msg:fail:delivery", addr);
+#endif
+
+store_reset(reset_point);
+return;
+}
+
+
+
/*************************************************
* Actions at the end of handling an address *
*************************************************/
uschar *now = tod_stamp(tod_log);
uschar *driver_kind = NULL;
uschar *driver_name = NULL;
-uschar *log_address;
-
-int size = 256; /* Used for a temporary, */
-int ptr = 0; /* expanding buffer, for */
-uschar *s; /* building log lines; */
-void *reset_point; /* released afterwards. */
DEBUG(D_deliver) debug_printf("post-process %s (%d)\n", addr->address, result);
log or the main log for SMTP defers. */
if (!queue_2stage || addr->basic_errno != 0)
- {
- uschar ss[32];
-
- /* For errors of the type "retry time not reached" (also remotes skipped
- on queue run), logging is controlled by L_retry_defer. Note that this kind
- of error number is negative, and all the retry ones are less than any
- others. */
-
- unsigned int use_log_selector = addr->basic_errno <= ERRNO_RETRY_BASE
- ? L_retry_defer : 0;
-
- /* Build up the line that is used for both the message log and the main
- log. */
-
- s = reset_point = store_get(size);
-
- /* Create the address string for logging. Must not do this earlier, because
- an OK result may be changed to FAIL when a pipe returns text. */
-
- log_address = string_log_address(addr, LOGGING(all_parents), result == OK);
-
- s = string_cat(s, &size, &ptr, log_address);
-
- if (*queue_name)
- s = string_append(s, &size, &ptr, 2, US" Q=", queue_name);
-
- /* Either driver_name contains something and driver_kind contains
- " router" or " transport" (note the leading space), or driver_name is
- a null string and driver_kind contains "routing" without the leading
- space, if all routing has been deferred. When a domain has been held,
- so nothing has been done at all, both variables contain null strings. */
-
- if (driver_name)
- {
- if (driver_kind[1] == 't' && addr->router)
- s = string_append(s, &size, &ptr, 2, US" R=", addr->router->name);
- Ustrcpy(ss, " ?=");
- ss[1] = toupper(driver_kind[1]);
- s = string_append(s, &size, &ptr, 2, ss, driver_name);
- }
- else if (driver_kind)
- s = string_append(s, &size, &ptr, 2, US" ", driver_kind);
-
- sprintf(CS ss, " defer (%d)", addr->basic_errno);
- s = string_cat(s, &size, &ptr, ss);
-
- if (addr->basic_errno > 0)
- 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 (LOGGING(outgoing_port))
- {
- int port = addr->host_used->port;
- s = string_append(s, &size, &ptr, 2,
- US":", port == PORT_NONE ? US"25" : string_sprintf("%d", port));
- }
- }
-
- if (addr->message)
- s = string_append(s, &size, &ptr, 2, US": ", addr->message);
-
- s[ptr] = 0;
-
- /* Log the deferment in the message log, but don't clutter it
- up with retry-time defers after the first delivery attempt. */
-
- if (deliver_firsttime || addr->basic_errno > ERRNO_RETRY_BASE)
- deliver_msglog("%s %s\n", now, s);
-
- /* Write the main log and reset the store */
-
- log_write(use_log_selector, logflags, "== %s", s);
- store_reset(reset_point);
- }
+ deferral_log(addr, now, logflags, driver_name, driver_kind);
}
force the af_ignore_error flag. This will cause the address to be discarded
later (with a log entry). */
- if (sender_address[0] == 0 && message_age >= ignore_bounce_errors_after)
+ if (!*sender_address && message_age >= ignore_bounce_errors_after)
setflag(addr, af_ignore_error);
/* Freeze the message if requested, or if this is a bounce message (or other
addr_failed = addr;
}
- /* Build up the log line for the message and main logs */
-
- s = reset_point = store_get(size);
-
- /* Create the address string for logging. Must not do this earlier, because
- an OK result may be changed to FAIL when a pipe returns text. */
-
- log_address = string_log_address(addr, LOGGING(all_parents), result == OK);
-
- s = string_cat(s, &size, &ptr, log_address);
-
- if (LOGGING(sender_on_delivery))
- s = string_append(s, &size, &ptr, 3, US" F=<", sender_address, US">");
-
- if (*queue_name)
- s = string_append(s, &size, &ptr, 2, US" Q=", queue_name);
-
- /* Return path may not be set if no delivery actually happened */
-
- if (used_return_path && LOGGING(return_path_on_delivery))
- s = string_append(s, &size, &ptr, 3, US" P=<", used_return_path, US">");
-
- if (addr->router)
- s = string_append(s, &size, &ptr, 2, US" R=", addr->router->name);
- if (addr->transport)
- s = string_append(s, &size, &ptr, 2, US" T=", addr->transport->name);
-
- if (addr->host_used)
- s = d_hostlog(s, &size, &ptr, addr);
-
-#ifdef SUPPORT_TLS
- s = d_tlslog(s, &size, &ptr, addr);
-#endif
-
- if (addr->basic_errno > 0)
- s = string_append(s, &size, &ptr, 2, US": ",
- US strerror(addr->basic_errno));
-
- if (addr->message)
- s = string_append(s, &size, &ptr, 2, US": ", addr->message);
-
- s[ptr] = 0;
-
- /* Do the logging. For the message log, "routing failed" for those cases,
- just to make it clearer. */
-
- if (driver_name)
- deliver_msglog("%s %s\n", now, s);
- else
- deliver_msglog("%s %s failed for %s\n", now, driver_kind, s);
-
- log_write(0, LOG_MAIN, "** %s", s);
-
-#ifndef DISABLE_EVENT
- msg_event_raise(US"msg:fail:delivery", addr);
-#endif
-
- store_reset(reset_point);
+ failure_log(addr, driver_name ? NULL : driver_kind, now);
}
/* Ensure logging is turned on again in all cases */
)
)
)
- log_write(0, LOG_MAIN|LOG_PANIC, "Failed writing transport results to pipe: %s\n",
+ log_write(0, LOG_MAIN|LOG_PANIC, "Failed writing transport results to pipe: %s",
ret == -1 ? strerror(errno) : "short write");
/* Now any messages */
if( (ret = write(pfd[pipe_write], &message_length, sizeof(int))) != sizeof(int)
|| message_length > 0 && (ret = write(pfd[pipe_write], s, message_length)) != message_length
)
- log_write(0, LOG_MAIN|LOG_PANIC, "Failed writing transport results to pipe: %s\n",
+ log_write(0, LOG_MAIN|LOG_PANIC, "Failed writing transport results to pipe: %s",
ret == -1 ? strerror(errno) : "short write");
}
}
for (addr2 = addr; addr2; addr2 = addr2->next)
{
- len = read(pfd[pipe_read], &status, sizeof(int));
- if (len > 0)
+ if ((len = read(pfd[pipe_read], &status, sizeof(int))) > 0)
{
int i;
uschar **sptr;
if (testflag(addr2, af_file))
{
- int local_part_length;
- len = read(pfd[pipe_read], &local_part_length, sizeof(int));
- len = read(pfd[pipe_read], big_buffer, local_part_length);
- big_buffer[local_part_length] = 0;
+ int llen;
+ if ( read(pfd[pipe_read], &llen, sizeof(int)) != sizeof(int)
+ || llen > 64*4 /* limit from rfc 5821, times I18N factor */
+ )
+ {
+ log_write(0, LOG_MAIN|LOG_PANIC, "bad local_part length read"
+ " from delivery subprocess");
+ break;
+ }
+ /* sanity-checked llen so disable the Coverity error */
+ /* coverity[tainted_data] */
+ if (read(pfd[pipe_read], big_buffer, llen) != llen)
+ {
+ log_write(0, LOG_MAIN|LOG_PANIC, "bad local_part read"
+ " from delivery subprocess");
+ break;
+ }
+ big_buffer[llen] = 0;
addr2->local_part = string_copy(big_buffer);
}
addr3 = store_get(sizeof(address_item));
*addr3 = *addr2;
addr3->next = NULL;
- addr3->shadow_message = (uschar *) &(addr2->shadow_message);
+ addr3->shadow_message = US &addr2->shadow_message;
addr3->transport = stp;
addr3->transport_return = DEFER;
addr3->return_filename = NULL;
addr3->return_file = -1;
*last = addr3;
- last = &(addr3->next);
+ last = &addr3->next;
}
/* If we found any addresses to shadow, run the delivery, and stick any
uschar *ptr = endptr;
uschar *msg = p->msg;
BOOL done = p->done;
-BOOL unfinished = TRUE;
+BOOL finished = FALSE;
/* minimum size to read is header size including id, subid and length */
int required = PIPE_HEADER_SIZE;
There will be only one read if we get all the available data (i.e. don't
fill the buffer completely). */
- if (remaining < required && unfinished)
+ if (remaining < required && !finished)
{
int len;
int available = big_buffer_size - remaining;
/* If the length is zero (eof or no-more-data), just process what we
already have. Note that if the process is still running and we have
read all the data in the pipe (but less that "available") then we
- won't read any more, as "unfinished" will get set FALSE. */
+ won't read any more, as "finished" will get set. */
endptr += len;
remaining += len;
- unfinished = len == available;
+ finished = len != available;
}
/* If we are at the end of the available data, exit the loop. */
}
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);
+ debug_printf("header read id:%c,subid:%c,size:%s,required:%d,remaining:%d,finished:%d\n",
+ id, subid, header+2, required, remaining, finished);
/* is there room for the dataset we want to read ? */
if (required > big_buffer_size - PIPE_HEADER_SIZE)
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. */
+ /* 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;
+ finished has to be false as well. */
+
if (remaining < required)
{
- if (unfinished)
+ if (!finished)
continue;
msg = string_sprintf("failed to read pipe from transport process "
- "%d for transport %s: required size=%d > remaining size=%d and unfinished=false",
+ "%d for transport %s: required size=%d > remaining size=%d and finished=true",
pid, addr->transport->driver_name, required, remaining);
done = TRUE;
break;
}
- /* step behind the header */
+ /* Step past the header */
ptr += PIPE_HEADER_SIZE;
/* Handle each possible type of item, assuming the complete item is
up by checking the IP address. */
case 'H':
- for (h = addrlist->host_list; h; h = h->next)
- {
- if (!h->address || Ustrcmp(h->address, ptr+2) != 0) continue;
- h->status = ptr[0];
- h->why = ptr[1];
- }
- ptr += 2;
- while (*ptr++);
- break;
+ for (h = addrlist->host_list; h; h = h->next)
+ {
+ if (!h->address || Ustrcmp(h->address, ptr+2) != 0) continue;
+ h->status = ptr[0];
+ h->why = ptr[1];
+ }
+ ptr += 2;
+ while (*ptr++);
+ break;
/* Retry items are sent in a preceding R item for each address. This is
kept separate to keep each message short enough to guarantee it won't
that a "delete" item is dropped in favour of an "add" item. */
case 'R':
- if (!addr) goto ADDR_MISMATCH;
+ if (!addr) goto ADDR_MISMATCH;
- DEBUG(D_deliver|D_retry)
- debug_printf("reading retry information for %s from subprocess\n",
- ptr+1);
+ DEBUG(D_deliver|D_retry)
+ debug_printf("reading retry information for %s from subprocess\n",
+ ptr+1);
- /* Cut out any "delete" items on the list. */
+ /* Cut out any "delete" items on the list. */
- for (rp = &(addr->retries); (r = *rp); rp = &r->next)
- if (Ustrcmp(r->key, ptr+1) == 0) /* Found item with same key */
- {
- if ((r->flags & rf_delete) == 0) break; /* It was not "delete" */
- *rp = r->next; /* Excise a delete item */
- DEBUG(D_deliver|D_retry)
- debug_printf(" existing delete item dropped\n");
- }
+ for (rp = &addr->retries; (r = *rp); rp = &r->next)
+ if (Ustrcmp(r->key, ptr+1) == 0) /* Found item with same key */
+ {
+ if (!(r->flags & rf_delete)) break; /* It was not "delete" */
+ *rp = r->next; /* Excise a delete item */
+ DEBUG(D_deliver|D_retry)
+ debug_printf(" existing delete item dropped\n");
+ }
- /* We want to add a delete item only if there is no non-delete item;
- however we still have to step ptr through the data. */
+ /* We want to add a delete item only if there is no non-delete item;
+ however we still have to step ptr through the data. */
- if (!r || (*ptr & rf_delete) == 0)
- {
- r = store_get(sizeof(retry_item));
- r->next = addr->retries;
- addr->retries = r;
- r->flags = *ptr++;
- r->key = string_copy(ptr);
- while (*ptr++);
- memcpy(&(r->basic_errno), ptr, sizeof(r->basic_errno));
- ptr += sizeof(r->basic_errno);
- memcpy(&(r->more_errno), ptr, sizeof(r->more_errno));
- ptr += sizeof(r->more_errno);
- r->message = (*ptr)? string_copy(ptr) : NULL;
- DEBUG(D_deliver|D_retry)
- debug_printf(" added %s item\n",
- ((r->flags & rf_delete) == 0)? "retry" : "delete");
- }
+ if (!r || !(*ptr & rf_delete))
+ {
+ r = store_get(sizeof(retry_item));
+ r->next = addr->retries;
+ addr->retries = r;
+ r->flags = *ptr++;
+ r->key = string_copy(ptr);
+ while (*ptr++);
+ memcpy(&(r->basic_errno), ptr, sizeof(r->basic_errno));
+ ptr += sizeof(r->basic_errno);
+ memcpy(&(r->more_errno), ptr, sizeof(r->more_errno));
+ ptr += sizeof(r->more_errno);
+ r->message = *ptr ? string_copy(ptr) : NULL;
+ DEBUG(D_deliver|D_retry) debug_printf(" added %s item\n",
+ r->flags & rf_delete ? "delete" : "retry");
+ }
- else
- {
- DEBUG(D_deliver|D_retry)
- debug_printf(" delete item not added: non-delete item exists\n");
- ptr++;
- while(*ptr++);
- ptr += sizeof(r->basic_errno) + sizeof(r->more_errno);
- }
+ else
+ {
+ DEBUG(D_deliver|D_retry)
+ debug_printf(" delete item not added: non-delete item exists\n");
+ ptr++;
+ while(*ptr++);
+ ptr += sizeof(r->basic_errno) + sizeof(r->more_errno);
+ }
- while(*ptr++);
- break;
+ while(*ptr++);
+ break;
/* Put the amount of data written into the parlist block */
case 'S':
- memcpy(&(p->transport_count), ptr, sizeof(transport_count));
- ptr += sizeof(transport_count);
- break;
+ memcpy(&(p->transport_count), ptr, sizeof(transport_count));
+ ptr += sizeof(transport_count);
+ break;
/* Address items are in the order of items on the address chain. We
remember the current address value in case this function is called
#ifdef SUPPORT_TLS
case 'X':
- if (!addr) goto ADDR_MISMATCH; /* Below, in 'A' handler */
- switch (subid)
- {
- case '1':
- addr->cipher = NULL;
- addr->peerdn = NULL;
-
- if (*ptr)
- addr->cipher = string_copy(ptr);
- while (*ptr++);
- if (*ptr)
- addr->peerdn = string_copy(ptr);
- break;
-
- case '2':
- if (*ptr)
- (void) tls_import_cert(ptr, &addr->peercert);
- else
- addr->peercert = NULL;
- break;
+ if (!addr) goto ADDR_MISMATCH; /* Below, in 'A' handler */
+ switch (subid)
+ {
+ case '1':
+ addr->cipher = NULL;
+ addr->peerdn = NULL;
- case '3':
- if (*ptr)
- (void) tls_import_cert(ptr, &addr->ourcert);
- else
- addr->ourcert = NULL;
- break;
+ if (*ptr)
+ addr->cipher = string_copy(ptr);
+ while (*ptr++);
+ if (*ptr)
+ addr->peerdn = string_copy(ptr);
+ break;
+
+ case '2':
+ if (*ptr)
+ (void) tls_import_cert(ptr, &addr->peercert);
+ else
+ addr->peercert = NULL;
+ break;
+
+ case '3':
+ if (*ptr)
+ (void) tls_import_cert(ptr, &addr->ourcert);
+ else
+ addr->ourcert = NULL;
+ break;
# ifndef DISABLE_OCSP
- case '4':
- addr->ocsp = OCSP_NOT_REQ;
- if (*ptr)
- addr->ocsp = *ptr - '0';
- break;
+ case '4':
+ addr->ocsp = *ptr ? *ptr - '0' : OCSP_NOT_REQ;
+ break;
# endif
- }
- while (*ptr++);
- break;
+ }
+ while (*ptr++);
+ break;
#endif /*SUPPORT_TLS*/
case 'C': /* client authenticator information */
- switch (subid)
- {
- case '1':
- addr->authenticator = (*ptr)? string_copy(ptr) : NULL;
- break;
- case '2':
- addr->auth_id = (*ptr)? string_copy(ptr) : NULL;
- break;
- case '3':
- addr->auth_sndr = (*ptr)? string_copy(ptr) : NULL;
- break;
- }
- while (*ptr++);
- break;
+ switch (subid)
+ {
+ case '1': addr->authenticator = *ptr ? string_copy(ptr) : NULL; break;
+ case '2': addr->auth_id = *ptr ? string_copy(ptr) : NULL; break;
+ case '3': addr->auth_sndr = *ptr ? string_copy(ptr) : NULL; break;
+ }
+ while (*ptr++);
+ break;
#ifndef DISABLE_PRDR
case 'P':
- addr->flags |= af_prdr_used;
- break;
+ addr->flags |= af_prdr_used;
+ break;
#endif
- case 'D':
- if (!addr) 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;
+ case 'K':
+ addr->flags |= af_chunking_used;
+ break;
- case 'A':
- if (!addr)
- {
- ADDR_MISMATCH:
- msg = string_sprintf("address count mismatch for data read from pipe "
- "for transport process %d for transport %s", pid,
- addrlist->transport->driver_name);
- done = TRUE;
+ case 'D':
+ if (!addr) 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;
- }
- switch (subid)
- {
-#ifdef SUPPORT_SOCKS
- case '2': /* proxy information; must arrive before A0 and applies to that addr XXX oops*/
- proxy_session = TRUE; /*XXX shouod this be cleared somewhere? */
- if (*ptr == 0)
- ptr++;
- else
- {
- proxy_local_address = string_copy(ptr);
- while(*ptr++);
- memcpy(&proxy_local_port, ptr, sizeof(proxy_local_port));
- ptr += sizeof(proxy_local_port);
- }
+ case 'A':
+ if (!addr)
+ {
+ ADDR_MISMATCH:
+ msg = string_sprintf("address count mismatch for data read from pipe "
+ "for transport process %d for transport %s", pid,
+ addrlist->transport->driver_name);
+ done = TRUE;
break;
-#endif
+ }
-#ifdef EXPERIMENTAL_DSN_INFO
- case '1': /* must arrive before A0, and applies to that addr */
- /* Two strings: smtp_greeting and helo_response */
- addr->smtp_greeting = string_copy(ptr);
- while(*ptr++);
- addr->helo_response = string_copy(ptr);
- while(*ptr++);
- break;
-#endif
+ switch (subid)
+ {
+ #ifdef SUPPORT_SOCKS
+ case '2': /* proxy information; must arrive before A0 and applies to that addr XXX oops*/
+ proxy_session = TRUE; /*XXX should this be cleared somewhere? */
+ if (*ptr == 0)
+ ptr++;
+ else
+ {
+ proxy_local_address = string_copy(ptr);
+ while(*ptr++);
+ memcpy(&proxy_local_port, ptr, sizeof(proxy_local_port));
+ ptr += sizeof(proxy_local_port);
+ }
+ break;
+ #endif
- case '0':
- addr->transport_return = *ptr++;
- addr->special_action = *ptr++;
- memcpy(&(addr->basic_errno), ptr, sizeof(addr->basic_errno));
- ptr += sizeof(addr->basic_errno);
- memcpy(&(addr->more_errno), ptr, sizeof(addr->more_errno));
- ptr += sizeof(addr->more_errno);
- memcpy(&(addr->flags), ptr, sizeof(addr->flags));
- ptr += sizeof(addr->flags);
- addr->message = (*ptr)? string_copy(ptr) : NULL;
- while(*ptr++);
- addr->user_message = (*ptr)? string_copy(ptr) : NULL;
- while(*ptr++);
+ #ifdef EXPERIMENTAL_DSN_INFO
+ case '1': /* must arrive before A0, and applies to that addr */
+ /* Two strings: smtp_greeting and helo_response */
+ addr->smtp_greeting = string_copy(ptr);
+ while(*ptr++);
+ addr->helo_response = string_copy(ptr);
+ while(*ptr++);
+ break;
+ #endif
+
+ case '0':
+ DEBUG(D_deliver) debug_printf("A0 %s tret %d\n", addr->address, *ptr);
+ addr->transport_return = *ptr++;
+ addr->special_action = *ptr++;
+ memcpy(&(addr->basic_errno), ptr, sizeof(addr->basic_errno));
+ ptr += sizeof(addr->basic_errno);
+ memcpy(&(addr->more_errno), ptr, sizeof(addr->more_errno));
+ ptr += sizeof(addr->more_errno);
+ memcpy(&(addr->flags), ptr, sizeof(addr->flags));
+ ptr += sizeof(addr->flags);
+ addr->message = *ptr ? string_copy(ptr) : NULL;
+ while(*ptr++);
+ addr->user_message = *ptr ? string_copy(ptr) : NULL;
+ while(*ptr++);
- /* Always two strings for host information, followed by the port number and DNSSEC mark */
+ /* Always two strings for host information, followed by the port number and DNSSEC mark */
- if (*ptr != 0)
- {
- h = store_get(sizeof(host_item));
- h->name = string_copy(ptr);
- while (*ptr++);
- h->address = string_copy(ptr);
- while(*ptr++);
- memcpy(&(h->port), ptr, sizeof(h->port));
- ptr += sizeof(h->port);
- h->dnssec = *ptr == '2' ? DS_YES
- : *ptr == '1' ? DS_NO
- : DS_UNK;
- ptr++;
- addr->host_used = h;
- }
- else ptr++;
+ if (*ptr)
+ {
+ h = store_get(sizeof(host_item));
+ h->name = string_copy(ptr);
+ while (*ptr++);
+ h->address = string_copy(ptr);
+ while(*ptr++);
+ memcpy(&h->port, ptr, sizeof(h->port));
+ ptr += sizeof(h->port);
+ h->dnssec = *ptr == '2' ? DS_YES
+ : *ptr == '1' ? DS_NO
+ : DS_UNK;
+ ptr++;
+ addr->host_used = h;
+ }
+ else ptr++;
- /* Finished with this address */
+ /* Finished with this address */
- addr = addr->next;
- break;
- }
- break;
+ addr = addr->next;
+ break;
+ }
+ break;
/* Local interface address/port */
case 'I':
- if (*ptr) sending_ip_address = string_copy(ptr);
- while (*ptr++) ;
- if (*ptr) sending_port = atoi(CS ptr);
- while (*ptr++) ;
- break;
+ if (*ptr) sending_ip_address = string_copy(ptr);
+ while (*ptr++) ;
+ if (*ptr) sending_port = atoi(CS ptr);
+ while (*ptr++) ;
+ break;
/* Z marks the logical end of the data. It is followed by '0' if
continue_transport was NULL at the end of transporting, otherwise '1'.
most normal messages it will remain NULL all the time. */
case 'Z':
- if (*ptr == '0')
- {
- continue_transport = NULL;
- continue_hostname = NULL;
- }
- done = TRUE;
- DEBUG(D_deliver) debug_printf("Z0%c item read\n", *ptr);
- break;
+ if (*ptr == '0')
+ {
+ continue_transport = NULL;
+ continue_hostname = NULL;
+ }
+ done = TRUE;
+ DEBUG(D_deliver) debug_printf("Z0%c item read\n", *ptr);
+ break;
/* Anything else is a disaster. */
default:
- msg = string_sprintf("malformed data (%d) read from pipe for transport "
- "process %d for transport %s", ptr[-1], pid,
- addr->transport->driver_name);
- done = TRUE;
- break;
+ msg = string_sprintf("malformed data (%d) read from pipe for transport "
+ "process %d for transport %s", ptr[-1], pid,
+ addr->transport->driver_name);
+ done = TRUE;
+ break;
}
}
maxpipe = 0;
FD_ZERO(&select_pipes);
for (poffset = 0; poffset < remote_max_parallel; poffset++)
- {
if (parlist[poffset].pid != 0)
{
int fd = parlist[poffset].fd;
FD_SET(fd, &select_pipes);
if (fd > maxpipe) maxpipe = fd;
}
- }
/* Stick in a 60-second timeout, just in case. */
) )
&& ( !multi_domain
|| ( (
- !tp->expand_multi_domain || (deliver_set_expansions(next), 1),
+ (void)(!tp->expand_multi_domain || ((void)deliver_set_expansions(next), 1)),
exp_bool(addr,
US"transport", next->transport->name, D_transport,
US"multi_domain", next->transport->multi_domain,
if (tp->setup)
(void)((tp->setup)(addr->transport, addr, NULL, uid, gid, NULL));
+ /* If we have a connection still open from a verify stage (lazy-close)
+ treat it as if it is a continued connection (apart from the counter used
+ for the log line mark). */
+
+ if (cutthrough.fd >= 0 && cutthrough.callout_hold_only)
+ {
+ DEBUG(D_deliver)
+ debug_printf("lazy-callout-close: have conn still open from verification\n");
+ continue_transport = cutthrough.transport;
+ continue_hostname = string_copy(cutthrough.host.name);
+ continue_host_address = string_copy(cutthrough.host.address);
+ continue_sequence = 1;
+ sending_ip_address = cutthrough.snd_ip;
+ sending_port = cutthrough.snd_port;
+ smtp_peer_options = cutthrough.peer_options;
+ }
+
/* If this is a run to continue delivery down an already-established
channel, check that this set of addresses matches the transport and
the channel. If it does not, defer the addresses. If a host list exists,
ok = FALSE;
for (h = addr->host_list; h; h = h->next)
if (Ustrcmp(h->name, continue_hostname) == 0)
+/*XXX should also check port here */
{ ok = TRUE; break; }
}
addr_fallback = addr;
}
- else if (next)
+ else
{
- while (next->next) next = next->next;
+ for (next = addr; ; next = next->next)
+ {
+ DEBUG(D_deliver) debug_printf(" %s to def list\n", next->address);
+ if (!next->next) break;
+ }
next->next = addr_defer;
addr_defer = addr;
}
/* Set a flag indicating whether there are further addresses that list
the continued host. This tells the transport to leave the channel open,
- but not to pass it to another delivery process. */
+ but not to pass it to another delivery process. We'd like to do that
+ for non-continue_transport cases too but the knowlege of which host is
+ connected to is too hard to manage. Perhaps we need a finer-grain
+ interface to the transport. */
- for (next = addr_remote; next; next = next->next)
+ for (next = addr_remote; next && !continue_more; next = next->next)
{
host_item *h;
for (h = next->host_list; h; h = h->next)
}
/* Now fork a subprocess to do the remote delivery, but before doing so,
- ensure that any cached resourses are released so as not to interfere with
+ ensure that any cached resources are released so as not to interfere with
what happens in the subprocess. */
search_tidyup();
predictable settings for each delivery process, so do something explicit
here rather they rely on the fixed reset in the random number function. */
- random_seed = running_in_test_harness? 42 + 2*delivery_count : 0;
+ random_seed = running_in_test_harness ? 42 + 2*delivery_count : 0;
/* Set close-on-exec on the pipe so that it doesn't get passed on to
a new process that may be forked to do another delivery down the same
{
uschar * fname = spool_fname(US"input", message_subdir, message_id, US"-D");
- if ((deliver_datafile = Uopen(fname, O_RDWR | O_APPEND, 0)) < 0)
+ if ((deliver_datafile = Uopen(fname,
+#ifdef O_CLOEXEC
+ O_CLOEXEC |
+#endif
+ O_RDWR | O_APPEND, 0)) < 0)
log_write(0, LOG_MAIN|LOG_PANIC_DIE, "Failed to reopen %s for remote "
"parallel delivery: %s", fname, strerror(errno));
}
/* Set the close-on-exec flag */
-
+#ifndef O_CLOEXEC
(void)fcntl(deliver_datafile, F_SETFD, fcntl(deliver_datafile, F_GETFD) |
FD_CLOEXEC);
+#endif
/* Set the uid/gid of this process; bombs out on failure. */
if (!addr->peerdn)
*ptr++ = 0;
else
- {
- ptr += sprintf(CS ptr, "%.512s", addr->peerdn);
- ptr++;
- }
+ ptr += sprintf(CS ptr, "%.512s", addr->peerdn) + 1;
rmt_dlv_checked_write(fd, 'X', '1', big_buffer, ptr - big_buffer);
}
+ else if (continue_proxy_cipher)
+ {
+ ptr = big_buffer + sprintf(CS big_buffer, "%.128s", continue_proxy_cipher) + 1;
+ *ptr++ = 0;
+ rmt_dlv_checked_write(fd, 'X', '1', big_buffer, ptr - big_buffer);
+ }
+
if (addr->peercert)
{
ptr = big_buffer;
rmt_dlv_checked_write(fd, 'P', '0', NULL, 0);
#endif
+ if (addr->flags & af_chunking_used)
+ rmt_dlv_checked_write(fd, 'K', '0', NULL, 0);
+
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);
/* Retry information: for most success cases this will be null. */
(void)close(pfd[pipe_write]);
+ /* If we have a connection still open from a verify stage (lazy-close)
+ release its TLS library context (if any) as responsibility was passed to
+ the delivery child process. */
+
+ if (cutthrough.fd >= 0 && cutthrough.callout_hold_only)
+ {
+#ifdef SUPPORT_TLS
+ tls_close(FALSE, FALSE);
+#endif
+ (void) close(cutthrough.fd);
+ release_cutthrough_connection(US"passed to transport proc");
+ }
+
/* Fork failed; defer with error message */
if (pid < 0)
address_item *new_parent = store_get(sizeof(address_item));
*new_parent = *addr;
addr->parent = new_parent;
+ new_parent->child_count = 1;
addr->address = new_address;
addr->unique = string_copy(new_address);
addr->domain = deliver_domain;
one message in the same process. Therefore we needn't worry too much about
store leakage.
+Liable to be called as root.
+
Arguments:
id the id of the message to be delivered
forced TRUE if delivery was forced by an administrator; this overrides
time_t now = time(NULL);
address_item *addr_last = NULL;
uschar *filter_message = NULL;
-FILE *jread;
int process_recipients = RECIP_ACCEPT;
open_db dbblock;
open_db *dbm_file;
{
uschar * fname = spool_fname(US"input", message_subdir, id, US"-J");
+ FILE * jread;
- if ((jread = Ufopen(fname, "rb")))
+ if ( (journal_fd = Uopen(fname, O_RDWR|O_APPEND
+#ifdef O_CLOEXEC
+ | O_CLOEXEC
+#endif
+#ifdef O_NOFOLLOW
+ | O_NOFOLLOW
+#endif
+ , SPOOL_MODE)) >= 0
+ && lseek(journal_fd, 0, SEEK_SET) == 0
+ && (jread = fdopen(journal_fd, "rb"))
+ )
{
while (Ufgets(big_buffer, big_buffer_size, jread))
{
DEBUG(D_deliver) debug_printf("Previously delivered address %s taken from "
"journal file\n", big_buffer);
}
- (void)fclose(jread);
+ rewind(jread);
+ if ((journal_fd = dup(fileno(jread))) < 0)
+ journal_fd = fileno(jread);
+ else
+ (void) fclose(jread); /* Try to not leak the FILE resource */
+
/* Panic-dies on error */
(void)spool_write_header(message_id, SW_DELIVERING, NULL);
}
ignore timer is exceeded. The message will be discarded if this delivery
fails. */
- else if (sender_address[0] == 0 && message_age >= ignore_bounce_errors_after)
- {
+ else if (!*sender_address && message_age >= ignore_bounce_errors_after)
log_write(0, LOG_MAIN, "Unfrozen by errmsg timer");
- }
/* If this is a bounce message, or there's no auto thaw, or we haven't
reached the auto thaw time yet, and this delivery is not forced by an admin
while (p)
{
- if (parent->child_count == SHRT_MAX)
+ if (parent->child_count == USHRT_MAX)
log_write(0, LOG_MAIN|LOG_PANIC_DIE, "system filter generated more "
- "than %d delivery addresses", SHRT_MAX);
+ "than %d delivery addresses", USHRT_MAX);
parent->child_count++;
p->parent = parent;
tpname = tmp;
}
else
- {
p->message = string_sprintf("system_filter_%s_transport is unset",
type);
- }
if (tpname)
{
transport_instance *tp;
for (tp = transports; tp; tp = tp->next)
- {
if (Ustrcmp(tp->name, tpname) == 0)
{
p->transport = tp;
break;
}
- }
if (!tp)
p->message = string_sprintf("failed to find \"%s\" transport "
"for system filter delivery", tpname);
complications for local addresses. */
if (process_recipients != RECIP_IGNORE)
- {
for (i = 0; i < recipients_count; i++)
- {
if (!tree_search(tree_nonrecipients, recipients_list[i].address))
{
recipient_item *r = recipients_list + i;
}
#endif
}
- }
- }
DEBUG(D_deliver)
{
not exist. In both cases, dbm_file is NULL. */
if (!(dbm_file = dbfn_open(US"retry", O_RDONLY, &dbblock, FALSE)))
- {
DEBUG(D_deliver|D_retry|D_route|D_hints_lookup)
debug_printf("no retry data available\n");
- }
/* Scan the current batch of new addresses, to handle pipes, files and
autoreplies, and determine which others are ready for routing. */
if ((rc = match_isinlist(addr->domain, (const uschar **)&queue_domains, 0,
&domainlist_anchor, addr->domain_cache, MCL_DOMAIN, TRUE, NULL))
!= OK)
- {
if (rc == DEFER)
{
addr->basic_errno = ERRNO_LISTDEFER;
addr->next = okaddr;
okaddr = addr;
}
- }
else
{
addr->basic_errno = ERRNO_QUEUE_DOMAIN;
&addr_succeed, v_none)) == DEFER)
retry_add_item(addr,
addr->router->retry_use_local_part
- ? string_sprintf("R:%s@%s", addr->local_part, addr->domain)
+ ? string_sprintf("R:%s@%s", addr->local_part, addr->domain)
: string_sprintf("R:%s", addr->domain),
0);
happen. */
if ( header_rewritten
- && ( ( addr_local
- && (addr_local->next || addr_remote)
- )
- || (addr_remote && addr_remote->next)
+ && ( addr_local && (addr_local->next || addr_remote)
+ || addr_remote && addr_remote->next
) )
{
/* Panic-dies on error */
}
-/* If there are any deliveries to be done, open the journal file. This is used
-to record successful deliveries as soon as possible after each delivery is
-known to be complete. A file opened with O_APPEND is used so that several
-processes can run simultaneously.
+/* If there are any deliveries to be and we do not already have the journal
+file, create it. This is used to record successful deliveries as soon as
+possible after each delivery is known to be complete. A file opened with
+O_APPEND is used so that several processes can run simultaneously.
The journal is just insurance against crashes. When the spool file is
ultimately updated at the end of processing, the journal is deleted. If a
if (addr_local || addr_remote)
{
- uschar * fname = spool_fname(US"input", message_subdir, id, US"-J");
-
- if ((journal_fd = Uopen(fname, O_WRONLY|O_APPEND|O_CREAT, SPOOL_MODE)) <0)
+ if (journal_fd < 0)
{
- log_write(0, LOG_MAIN|LOG_PANIC, "Couldn't open journal file %s: %s",
- fname, strerror(errno));
- return DELIVER_NOT_ATTEMPTED;
- }
+ uschar * fname = spool_fname(US"input", message_subdir, id, US"-J");
+
+ if ((journal_fd = Uopen(fname,
+#ifdef O_CLOEXEC
+ O_CLOEXEC |
+#endif
+ O_WRONLY|O_APPEND|O_CREAT|O_EXCL, SPOOL_MODE)) < 0)
+ {
+ log_write(0, LOG_MAIN|LOG_PANIC, "Couldn't open journal file %s: %s",
+ fname, strerror(errno));
+ return DELIVER_NOT_ATTEMPTED;
+ }
- /* Set the close-on-exec flag, make the file owned by Exim, and ensure
- that the mode is correct - the group setting doesn't always seem to get
- set automatically. */
+ /* Set the close-on-exec flag, make the file owned by Exim, and ensure
+ that the mode is correct - the group setting doesn't always seem to get
+ set automatically. */
- if( fcntl(journal_fd, F_SETFD, fcntl(journal_fd, F_GETFD) | FD_CLOEXEC)
- || fchown(journal_fd, exim_uid, exim_gid)
- || fchmod(journal_fd, SPOOL_MODE)
- )
- {
- int ret = Uunlink(fname);
- log_write(0, LOG_MAIN|LOG_PANIC, "Couldn't set perms on journal file %s: %s",
- fname, strerror(errno));
- if(ret && errno != ENOENT)
- log_write(0, LOG_MAIN|LOG_PANIC_DIE, "failed to unlink %s: %s",
- fname, strerror(errno));
- return DELIVER_NOT_ATTEMPTED;
+ if( fchown(journal_fd, exim_uid, exim_gid)
+ || fchmod(journal_fd, SPOOL_MODE)
+#ifndef O_CLOEXEC
+ || fcntl(journal_fd, F_SETFD, fcntl(journal_fd, F_GETFD) | FD_CLOEXEC)
+#endif
+ )
+ {
+ int ret = Uunlink(fname);
+ log_write(0, LOG_MAIN|LOG_PANIC, "Couldn't set perms on journal file %s: %s",
+ fname, strerror(errno));
+ if(ret && errno != ENOENT)
+ log_write(0, LOG_MAIN|LOG_PANIC_DIE, "failed to unlink %s: %s",
+ fname, strerror(errno));
+ return DELIVER_NOT_ATTEMPTED;
+ }
}
}
+else if (journal_fd >= 0)
+ {
+ close(journal_fd);
+ journal_fd = -1;
+ }
DEBUG(D_deliver)
debug_printf(">>>>>>>>>>>>>>>> deliveries are done >>>>>>>>>>>>>>>>\n");
+cancel_cutthrough_connection(TRUE, "deliveries are done");
/* Root privilege is no longer needed */
)
{
/* copy and relink address_item and send report with all of them at once later */
- address_item *addr_next;
- addr_next = addr_senddsn;
+ address_item * addr_next = addr_senddsn;
addr_senddsn = store_get(sizeof(address_item));
- memcpy(addr_senddsn, addr_dsntmp, sizeof(address_item));
+ *addr_senddsn = *addr_dsntmp;
addr_senddsn->next = addr_next;
}
else
{
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 * bound;
+ transport_ctx tctx = {0};
DEBUG(D_deliver)
debug_printf("sending error message to: %s\n", sender_address);
return_path = sender_address; /* In case not previously set */
/* Write the original email out */
- transport_write_message(NULL, fileno(f), topt, 0, NULL, NULL, NULL, NULL, NULL, 0);
+
+ tctx.u.fd = fileno(f);
+ tctx.options = topt_add_return_path | topt_no_body;
+ transport_write_message(&tctx, 0);
fflush(f);
fprintf(f,"\n--%s--\n", bound);
/* Otherwise, handle the sending of a message. Find the error address for
the first address, then send a message that includes all failed addresses
that have the same error address. Note the bounce_recipient is a global so
- that it can be accesssed by $bounce_recipient while creating a customized
+ that it can be accessed by $bounce_recipient while creating a customized
error message. */
else
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,
- 0, dsnnotifyhdr, NULL, NULL, NULL, NULL, 0);
+ { /* Dummy transport for headers add */
+ transport_ctx tctx = {0};
+ transport_instance tb = {0};
+
+ tctx.u.fd = fileno(f);
+ tctx.tblock = &tb;
+ tctx.options = topt;
+ tb.add_headers = dsnnotifyhdr;
+
+ transport_write_message(&tctx, 0);
+ }
fflush(f);
/* we never add the final text. close the file */
}
/* Didn't find the address already in the list, and did find the
- ultimate parent's address in the list. After adding the recipient,
+ ultimate parent's address in the list, and they really are different
+ (i.e. not from an identity-redirect). After adding the recipient,
update the errors address in the recipients list. */
- if (i >= recipients_count && t < recipients_count)
+ if ( i >= recipients_count && t < recipients_count
+ && Ustrcmp(otaddr->address, otaddr->parent->address) != 0)
{
DEBUG(D_deliver) debug_printf("one_time: adding %s in place of %s\n",
otaddr->address, otaddr->parent->address);
this deferred address or, if there is none, the sender address, is on the
list of recipients for a warning message. */
- if (sender_address[0] != 0)
- if (addr->prop.errors_address)
- {
- if (Ustrstr(recipients, addr->prop.errors_address) == NULL)
- recipients = string_sprintf("%s%s%s", recipients,
- (recipients[0] == 0)? "" : ",", addr->prop.errors_address);
- }
- else
- {
- if (Ustrstr(recipients, sender_address) == NULL)
- recipients = string_sprintf("%s%s%s", recipients,
- (recipients[0] == 0)? "" : ",", sender_address);
- }
+ if (sender_address[0])
+ {
+ uschar * s = addr->prop.errors_address;
+ if (!s) s = sender_address;
+ if (Ustrstr(recipients, s) == NULL)
+ recipients = string_sprintf("%s%s%s", recipients,
+ recipients[0] ? "," : "", s);
+ }
}
/* Send a warning message if the conditions are right. If the condition check
FILE *wmf = NULL;
FILE *f = fdopen(fd, "wb");
uschar * bound;
- int topt;
+ transport_ctx tctx = {0};
if (warn_message_file)
if (!(wmf = Ufopen(warn_message_file, "rb")))
fflush(f);
/* header only as required by RFC. only failure DSN needs to honor RET=FULL */
- topt = topt_add_return_path | topt_no_body;
+ tctx.u.fd = fileno(f);
+ tctx.options = topt_add_return_path | topt_no_body;
transport_filter_argv = NULL; /* Just in case */
return_path = sender_address; /* In case not previously set */
+
/* Write the original email out */
- transport_write_message(NULL, fileno(f), topt, 0, NULL, NULL, NULL, NULL, NULL, 0);
+ transport_write_message(&tctx, 0);
fflush(f);
fprintf(f,"\n--%s--\n", bound);
log_write(0, LOG_MAIN|LOG_PANIC_DIE, "failed to unlink %s: %s", fname,
strerror(errno));
- /* Move the message off the spool if reqested */
+ /* Move the message off the spool if requested */
#ifdef SUPPORT_MOVE_FROZEN_MESSAGES
if (deliver_freeze && move_frozen_messages)
regex_must_compile(US"\\n250[\\s\\-]STARTTLS(\\s|\\n|$)", FALSE, TRUE);
#endif
+if (!regex_CHUNKING) regex_CHUNKING =
+ regex_must_compile(US"\\n250[\\s\\-]CHUNKING(\\s|\\n|$)", FALSE, TRUE);
+
#ifndef DISABLE_PRDR
if (!regex_PRDR) regex_PRDR =
regex_must_compile(US"\\n250[\\s\\-]PRDR(\\s|\\n|$)", FALSE, TRUE);
return new_sender_address;
}
+
+
+void
+delivery_re_exec(int exec_type)
+{
+uschar * s;
+
+if (cutthrough.fd >= 0 && cutthrough.callout_hold_only)
+ {
+ int pfd[2], channel_fd = cutthrough.fd, pid;
+
+ smtp_peer_options = cutthrough.peer_options;
+ continue_sequence = 0;
+
+#ifdef SUPPORT_TLS
+ if (cutthrough.is_tls)
+ {
+ smtp_peer_options |= PEER_OFFERED_TLS;
+ sending_ip_address = cutthrough.snd_ip;
+ sending_port = cutthrough.snd_port;
+
+ s = US"socketpair";
+ if (socketpair(AF_UNIX, SOCK_STREAM, 0, pfd) != 0)
+ goto fail;
+
+ s = US"fork";
+ if ((pid = fork()) < 0)
+ goto fail;
+
+ else if (pid == 0) /* child: fork again to totally dosconnect */
+ {
+ if ((pid = fork()))
+ _exit(pid ? EXIT_FAILURE : EXIT_SUCCESS);
+ smtp_proxy_tls(big_buffer, big_buffer_size, pfd[0], 5*60);
+ exim_exit(0);
+ }
+
+ waitpid(pid, NULL, 0);
+ (void) close(channel_fd); /* release the client socket */
+ channel_fd = pfd[1];
+ }
+#endif
+
+ transport_do_pass_socket(cutthrough.transport, cutthrough.host.name,
+ cutthrough.host.address, message_id, channel_fd);
+ }
+else
+ {
+ cancel_cutthrough_connection(TRUE, "non-continued delivery");
+ (void) child_exec_exim(exec_type, FALSE, NULL, FALSE, 2, US"-Mc", message_id);
+ }
+/* Control does not return here. */
+
+fail:
+ log_write(0,
+ LOG_MAIN | (exec_type == CEE_EXEC_EXIT ? LOG_PANIC : LOG_PANIC_DIE),
+ "delivery re-exec failed: %s", strerror(errno));
+
+ /* Get here if exec_type == CEE_EXEC_EXIT.
+ Note: this must be _exit(), not exit(). */
+
+ _exit(EX_EXECFAILED);
+}
+
/* vi: aw ai sw=2
*/
/* End of deliver.c */
git://git.exim.org / exim.git / blobdiff