* Exim - an Internet mail transport agent *
*************************************************/
-/* Copyright (c) University of Cambridge 1995 - 2015 */
+/* Copyright (c) University of Cambridge 1995 - 2016 */
/* See the file NOTICE for conditions of use and distribution. */
/* The main code for delivering a message. */
#include "exim.h"
+#include <assert.h>
/* Data block for keeping track of subprocesses for parallel remote
static uschar *frozen_info = US"";
static uschar *used_return_path = NULL;
-static uschar spoolname[PATH_MAX];
-
/*************************************************
void
deliver_set_expansions(address_item *addr)
{
-if (addr == NULL)
+if (!addr)
{
const uschar ***p = address_expansions;
- while (*p != NULL) **p++ = NULL;
+ while (*p) **p++ = NULL;
return;
}
what they contain. These first ones are always set, taking their values from
the first address. */
-if (addr->host_list == NULL)
+if (!addr->host_list)
{
deliver_host = deliver_host_address = US"";
deliver_host_port = 0;
/* If there's only one address we can set everything. */
-if (addr->next == NULL)
+if (!addr->next)
{
address_item *addr_orig;
deliver_localpart_prefix = addr->prefix;
deliver_localpart_suffix = addr->suffix;
- for (addr_orig = addr; addr_orig->parent != NULL;
- addr_orig = addr_orig->parent);
+ for (addr_orig = addr; addr_orig->parent; addr_orig = addr_orig->parent) ;
deliver_domain_orig = addr_orig->domain;
/* Re-instate any prefix and suffix in the original local part. In all
filter sets up a pipe, file, or autoreply delivery, no router is involved.
In this case, though, there won't be any prefix or suffix to worry about. */
- deliver_localpart_orig = (addr_orig->router == NULL)? addr_orig->local_part :
- addr_orig->router->caseful_local_part?
- addr_orig->cc_local_part : addr_orig->lc_local_part;
+ deliver_localpart_orig = !addr_orig->router
+ ? addr_orig->local_part
+ : addr_orig->router->caseful_local_part
+ ? addr_orig->cc_local_part
+ : addr_orig->lc_local_part;
/* If there's a parent, make its domain and local part available, and if
delivering to a pipe or file, or sending an autoreply, get the local
part from the parent. For pipes and files, put the pipe or file string
into address_pipe and address_file. */
- if (addr->parent != NULL)
+ if (addr->parent)
{
deliver_domain_parent = addr->parent->domain;
- deliver_localpart_parent = (addr->parent->router == NULL)?
- addr->parent->local_part :
- addr->parent->router->caseful_local_part?
- addr->parent->cc_local_part : addr->parent->lc_local_part;
+ deliver_localpart_parent = !addr->parent->router
+ ? addr->parent->local_part
+ : addr->parent->router->caseful_local_part
+ ? addr->parent->cc_local_part
+ : addr->parent->lc_local_part;
/* File deliveries have their own flag because they need to be picked out
as special more often. */
if (testflag(addr, af_pfr))
{
- if (testflag(addr, af_file)) address_file = addr->local_part;
- else if (deliver_localpart[0] == '|') address_pipe = addr->local_part;
+ if (testflag(addr, af_file)) address_file = addr->local_part;
+ else if (deliver_localpart[0] == '|') address_pipe = addr->local_part;
deliver_localpart = addr->parent->local_part;
deliver_localpart_prefix = addr->parent->prefix;
deliver_localpart_suffix = addr->parent->suffix;
/* get message delivery status (0 - don't deliver | 1 - deliver) */
bmi_deliver = bmi_get_delivery_status(bmi_base64_verdict);
/* if message is to be delivered, get eventual alternate location */
- if (bmi_deliver == 1) {
+ if (bmi_deliver == 1)
bmi_alt_location = bmi_get_alt_location(bmi_base64_verdict);
- };
#endif
}
address_item *addr2;
if (testflag(addr, af_pfr))
{
- if (testflag(addr, af_file)) address_file = addr->local_part;
- else if (addr->local_part[0] == '|') address_pipe = addr->local_part;
+ if (testflag(addr, af_file)) address_file = addr->local_part;
+ else if (addr->local_part[0] == '|') address_pipe = addr->local_part;
}
- for (addr2 = addr->next; addr2 != NULL; addr2 = addr2->next)
+ for (addr2 = addr->next; addr2; addr2 = addr2->next)
{
- if (deliver_domain != NULL &&
- Ustrcmp(deliver_domain, addr2->domain) != 0)
+ if (deliver_domain && Ustrcmp(deliver_domain, addr2->domain) != 0)
deliver_domain = NULL;
- if (self_hostname != NULL && (addr2->self_hostname == NULL ||
- Ustrcmp(self_hostname, addr2->self_hostname) != 0))
+ if ( self_hostname
+ && ( !addr2->self_hostname
+ || Ustrcmp(self_hostname, addr2->self_hostname) != 0
+ ) )
self_hostname = NULL;
- if (deliver_domain == NULL && self_hostname == NULL) break;
+ if (!deliver_domain && !self_hostname) break;
}
}
}
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);
-
-if (fd < 0 && errno == ENOENT)
- {
- uschar temp[16];
- sprintf(CS temp, "msglog/%s", message_subdir);
- if (message_subdir[0] == 0) temp[6] = 0;
- (void)directory_make(spool_directory, temp, 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. */
+int fd, i;
-if (fd >= 0)
+for (i = 2; i > 0; i--)
{
- (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)
+ 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)
{
- *error = US"chmod";
- return -1;
+ /* 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);
}
-else *error = US"create";
-return fd;
+*error = US"create";
+return -1;
}
replicate_status(address_item *addr)
{
address_item *addr2;
-for (addr2 = addr->next; addr2 != NULL; addr2 = addr2->next)
+for (addr2 = addr->next; addr2; addr2 = addr2->next)
{
- addr2->transport = addr->transport;
+ addr2->transport = addr->transport;
addr2->transport_return = addr->transport_return;
- addr2->basic_errno = addr->basic_errno;
- addr2->more_errno = addr->more_errno;
- addr2->special_action = addr->special_action;
- addr2->message = addr->message;
- addr2->user_message = addr->user_message;
+ addr2->basic_errno = addr->basic_errno;
+ addr2->more_errno = addr->more_errno;
+ addr2->special_action = addr->special_action;
+ addr2->message = addr->message;
+ addr2->user_message = addr->user_message;
}
}
static BOOL
same_hosts(host_item *one, host_item *two)
{
-while (one != NULL && two != NULL)
+while (one && two)
{
if (Ustrcmp(one->name, two->name) != 0)
{
/* Find the ends of the shortest sequence of identical MX values */
- while (end_one->next != NULL && end_one->next->mx == mx &&
- end_two->next != NULL && end_two->next->mx == mx)
+ while ( end_one->next && end_one->next->mx == mx
+ && end_two->next && end_two->next->mx == mx)
{
end_one = end_one->next;
end_two = end_two->next;
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;
static BOOL
same_headers(header_line *one, header_line *two)
{
-for (;;)
+for (;; one = one->next, two = two->next)
{
if (one == two) return TRUE; /* Includes the case where both NULL */
- if (one == NULL || two == NULL) return FALSE;
+ if (!one || !two) return FALSE;
if (Ustrcmp(one->text, two->text) != 0) return FALSE;
- one = one->next;
- two = two->next;
}
}
same_strings(uschar *one, uschar *two)
{
if (one == two) return TRUE; /* Includes the case where both NULL */
-if (one == NULL || two == NULL) return FALSE;
+if (!one || !two) return FALSE;
return (Ustrcmp(one, two) == 0);
}
static BOOL
same_ugid(transport_instance *tp, address_item *addr1, address_item *addr2)
{
-if (!tp->uid_set && tp->expand_uid == NULL && !tp->deliver_as_creator)
- {
- if (testflag(addr1, af_uid_set) != testflag(addr2, af_gid_set) ||
- (testflag(addr1, af_uid_set) &&
- (addr1->uid != addr2->uid ||
- testflag(addr1, af_initgroups) != testflag(addr2, af_initgroups))))
- return FALSE;
- }
+if ( !tp->uid_set && !tp->expand_uid
+ && !tp->deliver_as_creator
+ && ( testflag(addr1, af_uid_set) != testflag(addr2, af_gid_set)
+ || ( testflag(addr1, af_uid_set)
+ && ( addr1->uid != addr2->uid
+ || testflag(addr1, af_initgroups) != testflag(addr2, af_initgroups)
+ ) ) ) )
+ return FALSE;
-if (!tp->gid_set && tp->expand_gid == NULL)
- {
- if (testflag(addr1, af_gid_set) != testflag(addr2, af_gid_set) ||
- (testflag(addr1, af_gid_set) && addr1->gid != addr2->gid))
- return FALSE;
- }
+if ( !tp->gid_set && !tp->expand_gid
+ && ( testflag(addr1, af_gid_set) != testflag(addr2, af_gid_set)
+ || ( testflag(addr1, af_gid_set)
+ && addr1->gid != addr2->gid
+ ) ) )
+ return FALSE;
return TRUE;
}
/* Top-level address */
-if (addr->parent == NULL)
+if (!addr->parent)
{
tree_add_nonrecipient(addr->unique);
tree_add_nonrecipient(addr->address);
else if (testflag(addr, af_homonym))
{
- if (addr->transport != NULL)
- {
+ if (addr->transport)
tree_add_nonrecipient(
string_sprintf("%s/%s", addr->unique + 3, addr->transport->name));
- }
}
/* Non-homonymous child address */
/* Check the list of duplicate addresses and ensure they are now marked
done as well. */
-for (dup = addr_duplicate; dup != NULL; dup = dup->next)
- {
+for (dup = addr_duplicate; dup; dup = dup->next)
if (Ustrcmp(addr->unique, dup->unique) == 0)
{
tree_add_nonrecipient(dup->unique);
child_done(dup, now);
}
- }
}
child_done(address_item *addr, uschar *now)
{
address_item *aa;
-while (addr->parent != NULL)
+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
the same original address. */
- for (aa = addr->parent; aa != NULL; aa = aa->parent)
+ for (aa = addr->parent; aa; aa = aa->parent)
if (Ustrcmp(aa->address, addr->address) == 0) break;
- if (aa != NULL) continue;
+ if (aa) continue;
deliver_msglog("%s %s: children all complete\n", now, addr->address);
DEBUG(D_deliver) debug_printf("%s: children all complete\n", addr->address);
+/*************************************************
+* Delivery logging support functions *
+*************************************************/
+
+/* The LOGGING() checks in d_log_interface() are complicated for backwards
+compatibility. When outgoing interface logging was originally added, it was
+conditional on just incoming_interface (which is off by default). The
+outgoing_interface option is on by default to preserve this behaviour, but
+you can enable incoming_interface and disable outgoing_interface to get I=
+fields on incoming lines only.
+
+Arguments:
+ s The log line buffer
+ sizep Pointer to the buffer size
+ ptrp Pointer to current index into buffer
+ addr The address to be logged
+
+Returns: New value for s
+*/
static uschar *
-d_hostlog(uschar * s, int * sizep, int * ptrp, address_item * addr)
+d_log_interface(uschar *s, int *sizep, int *ptrp)
{
- s = string_append(s, sizep, ptrp, 5, US" H=", addr->host_used->name,
- US" [", addr->host_used->address, US"]");
- if ((log_extra_selector & LX_outgoing_port) != 0)
- s = string_append(s, sizep, ptrp, 2, US":", string_sprintf("%d",
- addr->host_used->port));
- return s;
+if (LOGGING(incoming_interface) && LOGGING(outgoing_interface)
+ && sending_ip_address)
+ {
+ s = string_append(s, sizep, ptrp, 2, US" I=[", sending_ip_address);
+ s = LOGGING(outgoing_port)
+ ? string_append(s, sizep, ptrp, 2, US"]:",
+ string_sprintf("%d", sending_port))
+ : string_catn(s, sizep, ptrp, US"]", 1);
+ }
+return s;
}
+
+
+static uschar *
+d_hostlog(uschar * s, int * sp, int * pp, address_item * addr)
+{
+host_item * h = addr->host_used;
+
+s = string_append(s, sp, pp, 2, US" H=", h->name);
+
+if (LOGGING(dnssec) && h->dnssec == DS_YES)
+ s = string_catn(s, sp, pp, US" DS", 3);
+
+s = string_append(s, sp, pp, 3, US" [", h->address, US"]");
+
+if (LOGGING(outgoing_port))
+ s = string_append(s, sp, pp, 2, US":", string_sprintf("%d", h->port));
+
+#ifdef SUPPORT_SOCKS
+if (LOGGING(proxy) && proxy_local_address)
+ {
+ s = string_append(s, sp, pp, 3, US" PRX=[", proxy_local_address, US"]");
+ if (LOGGING(outgoing_port))
+ s = string_append(s, sp, pp, 2, US":", string_sprintf("%d",
+ proxy_local_port));
+ }
+#endif
+
+return d_log_interface(s, sp, pp);
+}
+
+
+
+
+
#ifdef SUPPORT_TLS
static uschar *
d_tlslog(uschar * s, int * sizep, int * ptrp, address_item * addr)
{
- if ((log_extra_selector & LX_tls_cipher) != 0 && addr->cipher != NULL)
- s = string_append(s, sizep, ptrp, 2, US" X=", addr->cipher);
- if ((log_extra_selector & LX_tls_certificate_verified) != 0 &&
- addr->cipher != NULL)
- s = string_append(s, sizep, ptrp, 2, US" CV=",
- testflag(addr, af_cert_verified)
- ?
+if (LOGGING(tls_cipher) && addr->cipher)
+ s = string_append(s, sizep, ptrp, 2, US" X=", addr->cipher);
+if (LOGGING(tls_certificate_verified) && addr->cipher)
+ s = string_append(s, sizep, ptrp, 2, US" CV=",
+ testflag(addr, af_cert_verified)
+ ?
#ifdef EXPERIMENTAL_DANE
- testflag(addr, af_dane_verified)
- ? "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"\"");
- return s;
+ "yes"
+ : "no");
+if (LOGGING(tls_peerdn) && addr->peerdn)
+ s = string_append(s, sizep, ptrp, 3, US" DN=\"",
+ string_printing(addr->peerdn), US"\"");
+return s;
}
#endif
-#ifdef EXPERIMENTAL_EVENT
+#ifndef DISABLE_EVENT
uschar *
event_raise(uschar * action, const uschar * event, uschar * ev_data)
{
return NULL;
}
-static void
+void
msg_event_raise(const uschar * event, const address_item * addr)
{
const uschar * save_domain = deliver_domain;
uschar * save_local = deliver_localpart;
const uschar * save_host = deliver_host;
+const uschar * save_address = deliver_host_address;
+const int save_port = deliver_host_port;
if (!addr->transport)
return;
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);
+ addr->host_used
+ || Ustrcmp(addr->transport->driver_name, "smtp") == 0
+ || Ustrcmp(addr->transport->driver_name, "lmtp") == 0
+ ? addr->message : NULL);
+deliver_host_port = save_port;
+deliver_host_address = save_address;
deliver_host = save_host;
deliver_localpart = save_local;
deliver_domain = save_domain;
router_name = transport_name = NULL;
}
-#endif /*EXPERIMENTAL_EVENT*/
+#endif /*DISABLE_EVENT*/
+
+
+
+/******************************************************************************/
+
+
+/*************************************************
+* 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;
+}
+
+
+/******************************************************************************/
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
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_EVENT
+#ifndef DISABLE_EVENT
/* presume no successful remote delivery */
lookup_dnssec_authenticated = NULL;
#endif
s = reset_point = store_get(size);
-log_address = string_log_address(addr, (log_write_selector & L_all_parents) != 0, TRUE);
if (msg)
- s = string_append(s, &size, &ptr, 3, host_and_ident(TRUE), US" ", log_address);
+ 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 (log_extra_selector & LX_incoming_interface && sending_ip_address)
- s = string_append(s, &size, &ptr, 3, US" I=[", sending_ip_address, US"]");
- /* for the port: string_sprintf("%d", sending_port) */
-
-if ((log_extra_selector & LX_sender_on_delivery) != 0 || msg)
+if (LOGGING(sender_on_delivery) || msg)
s = string_append(s, &size, &ptr, 3, US" F=<",
-#ifdef EXPERIMENTAL_INTERNATIONAL
+#ifdef SUPPORT_I18N
testflag(addr, af_utf8_downcvt)
? string_address_utf8_to_alabel(sender_address, NULL)
:
sender_address,
US">");
+if (*queue_name)
+ s = string_append(s, &size, &ptr, 2, US" Q=", queue_name);
+
#ifdef EXPERIMENTAL_SRS
if(addr->prop.srs_sender)
s = string_append(s, &size, &ptr, 3, US" SRS=<", addr->prop.srs_sender, US">");
when it is not set is for a delivery to /dev/null which is optimised by not
being run at all. */
-if (used_return_path != NULL &&
- (log_extra_selector & LX_return_path_on_delivery) != 0)
+if (used_return_path && LOGGING(return_path_on_delivery))
s = string_append(s, &size, &ptr, 3, US" P=<", used_return_path, US">");
if (msg)
s = string_append(s, &size, &ptr, 2, US" ", msg);
/* For a delivery from a system filter, there may not be a router */
-if (addr->router != NULL)
+if (addr->router)
s = string_append(s, &size, &ptr, 2, US" R=", addr->router->name);
s = string_append(s, &size, &ptr, 2, US" T=", addr->transport->name);
-if ((log_extra_selector & LX_delivery_size) != 0)
+if (LOGGING(delivery_size))
s = string_append(s, &size, &ptr, 2, US" S=",
string_sprintf("%d", transport_count));
{
if (addr->host_list)
s = string_append(s, &size, &ptr, 2, US" H=", addr->host_list->name);
- if (addr->shadow_message != NULL)
- s = string_cat(s, &size, &ptr, addr->shadow_message,
- Ustrlen(addr->shadow_message));
+ s = d_log_interface(s, &size, &ptr);
+ if (addr->shadow_message)
+ s = string_cat(s, &size, &ptr, addr->shadow_message);
}
/* Remote delivery */
{
s = d_hostlog(s, &size, &ptr, addr);
if (continue_sequence > 1)
- s = string_cat(s, &size, &ptr, US"*", 1);
+ s = string_catn(s, &size, &ptr, US"*", 1);
-#ifdef EXPERIMENTAL_EVENT
+#ifndef DISABLE_EVENT
deliver_host_address = addr->host_used->address;
deliver_host_port = addr->host_used->port;
deliver_host = addr->host_used->name;
if (addr->auth_id)
{
s = string_append(s, &size, &ptr, 2, US":", addr->auth_id);
- if (log_extra_selector & LX_smtp_mailauth && addr->auth_sndr)
+ if (LOGGING(smtp_mailauth) && addr->auth_sndr)
s = string_append(s, &size, &ptr, 2, US":", addr->auth_sndr);
}
}
#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)) */
-if (log_extra_selector & LX_smtp_confirmation &&
- addr->message &&
- (addr->host_used || Ustrcmp(addr->transport->driver_name, "lmtp") == 0))
+if ( LOGGING(smtp_confirmation)
+ && addr->message
+ && (addr->host_used || Ustrcmp(addr->transport->driver_name, "lmtp") == 0)
+ )
{
unsigned i;
unsigned lim = big_buffer_size < 1024 ? big_buffer_size : 1024;
/* Time on queue and actual time taken to deliver */
-if ((log_extra_selector & LX_queue_time) != 0)
+if (LOGGING(queue_time))
s = string_append(s, &size, &ptr, 2, US" QT=",
readconf_printtime( (int) ((long)time(NULL) - (long)received_time)) );
-if ((log_extra_selector & LX_deliver_time) != 0)
+if (LOGGING(deliver_time))
s = string_append(s, &size, &ptr, 2, US" DT=",
readconf_printtime(addr->more_errno));
s[ptr] = 0;
log_write(0, flags, "%s", s);
-#ifdef EXPERIMENTAL_EVENT
+#ifndef DISABLE_EVENT
if (!msg) msg_event_raise(US"msg:delivery", addr);
#endif
+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);
if (driver_type == DTYPE_TRANSPORT)
{
- if (addr->transport != NULL)
+ if (addr->transport)
{
driver_name = addr->transport->name;
driver_kind = US" transport";
}
else if (driver_type == DTYPE_ROUTER)
{
- if (addr->router != NULL)
+ if (addr->router)
{
driver_name = addr->router->name;
driver_kind = US" router";
fudge, but I don't know a cleaner way of doing this. (If the item is badly
malformed, it won't ever have gone near LDAP.) */
-if (addr->message != NULL)
+if (addr->message)
{
const uschar * s = string_printing(addr->message);
- if (s != addr->message)
- addr->message = US s;
- /* deconst cast ok as string_printing known to have alloc'n'copied */
- if (((Ustrstr(addr->message, "failed to expand") != NULL) || (Ustrstr(addr->message, "expansion of ") != NULL)) &&
- (Ustrstr(addr->message, "mysql") != NULL ||
- Ustrstr(addr->message, "pgsql") != NULL ||
-#ifdef EXPERIMENTAL_REDIS
- Ustrstr(addr->message, "redis") != NULL ||
-#endif
- Ustrstr(addr->message, "sqlite") != NULL ||
- Ustrstr(addr->message, "ldap:") != NULL ||
- Ustrstr(addr->message, "ldapdn:") != NULL ||
- Ustrstr(addr->message, "ldapm:") != NULL))
- {
- addr->message = string_sprintf("Temporary internal error");
- }
+
+ /* deconst cast ok as string_printing known to have alloc'n'copied */
+ addr->message = expand_hide_passwords(US s);
}
/* If we used a transport that has one of the "return_output" options set, and
In any case, we close the message file, because we cannot afford to leave a
file-descriptor for one address while processing (maybe very many) others. */
-if (addr->return_file >= 0 && addr->return_filename != NULL)
+if (addr->return_file >= 0 && addr->return_filename)
{
BOOL return_output = FALSE;
struct stat statbuf;
/* Handle logging options */
- if (tb->log_output || (result == FAIL && tb->log_fail_output) ||
- (result == DEFER && tb->log_defer_output))
+ if ( tb->log_output
+ || result == FAIL && tb->log_fail_output
+ || result == DEFER && tb->log_defer_output
+ )
{
uschar *s;
FILE *f = Ufopen(addr->return_filename, "rb");
- if (f == NULL)
+ if (!f)
log_write(0, LOG_MAIN|LOG_PANIC, "failed to open %s to log output "
"from %s transport: %s", addr->return_filename, tb->name,
strerror(errno));
else
- {
- s = US Ufgets(big_buffer, big_buffer_size, f);
- if (s != NULL)
+ if ((s = US Ufgets(big_buffer, big_buffer_size, f)))
{
uschar *p = big_buffer + Ustrlen(big_buffer);
const uschar * sp;
addr->address, tb->name, sp);
}
(void)fclose(f);
- }
}
/* Handle returning options, but only if there is an address to return
the text to. */
- if (sender_address[0] != 0 || addr->prop.errors_address != NULL)
- {
+ if (sender_address[0] != 0 || addr->prop.errors_address)
if (tb->return_output)
{
addr->transport_return = result = FAIL;
- if (addr->basic_errno == 0 && addr->message == NULL)
+ if (addr->basic_errno == 0 && !addr->message)
addr->message = US"return message generated";
return_output = TRUE;
}
else
if (tb->return_fail_output && result == FAIL) return_output = TRUE;
- }
}
/* Get rid of the file unless it might be returned, but close it in
address_done(addr, now);
DEBUG(D_deliver) debug_printf("%s delivered\n", addr->address);
- if (addr->parent == NULL)
+ if (!addr->parent)
deliver_msglog("%s %s: %s%s succeeded\n", now, addr->address,
driver_name, driver_kind);
else
delivery_log(LOG_MAIN, addr, logchar, NULL);
#ifdef SUPPORT_TLS
- if (tls_out.ourcert)
- {
- tls_free_cert(tls_out.ourcert);
- tls_out.ourcert = NULL;
- }
- if (tls_out.peercert)
- {
- tls_free_cert(tls_out.peercert);
- tls_out.peercert = NULL;
- }
+ tls_free_cert(&tls_out.ourcert);
+ tls_free_cert(&tls_out.peercert);
tls_out.cipher = NULL;
tls_out.peerdn = NULL;
tls_out.ocsp = OCSP_NOT_REQ;
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,
- (log_write_selector & L_all_parents) != 0, result == OK);
-
- s = string_cat(s, &size, &ptr, log_address, Ustrlen(log_address));
-
- /* Either driver_name contains something and driver_kind contains
- " 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 == NULL)
- {
- if (driver_kind != NULL)
- s = string_append(s, &size, &ptr, 2, US" ", driver_kind);
- }
- else
- {
- if (driver_kind[1] == 't' && addr->router != NULL)
- 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);
- }
-
- sprintf(CS ss, " defer (%d)", addr->basic_errno);
- s = string_cat(s, &size, &ptr, ss, Ustrlen(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 (addr->message != NULL)
- 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
to ignore occurs later, instead of sending a message. Logging of freezing
occurs later, just before writing the -H file. */
- if (!testflag(addr, af_ignore_error) &&
- (addr->special_action == SPECIAL_FREEZE ||
- (sender_address[0] == 0 && addr->prop.errors_address == NULL)
- ))
+ if ( !testflag(addr, af_ignore_error)
+ && ( addr->special_action == SPECIAL_FREEZE
+ || (sender_address[0] == 0 && !addr->prop.errors_address)
+ ) )
{
- frozen_info = (addr->special_action == SPECIAL_FREEZE)? US"" :
- (sender_local && !local_error_message)?
- US" (message created with -f <>)" : US" (delivery error message)";
+ frozen_info = addr->special_action == SPECIAL_FREEZE
+ ? US""
+ : sender_local && !local_error_message
+ ? US" (message created with -f <>)"
+ : US" (delivery error message)";
deliver_freeze = TRUE;
deliver_frozen_at = time(NULL);
update_spool = TRUE;
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,
- (log_write_selector & L_all_parents) != 0, result == OK);
-
- s = string_cat(s, &size, &ptr, log_address, Ustrlen(log_address));
-
- if ((log_extra_selector & LX_sender_on_delivery) != 0)
- s = string_append(s, &size, &ptr, 3, US" F=<", sender_address, US">");
-
- /* Return path may not be set if no delivery actually happened */
-
- if (used_return_path != NULL &&
- (log_extra_selector & LX_return_path_on_delivery) != 0)
- s = string_append(s, &size, &ptr, 3, US" P=<", used_return_path, US">");
-
- if (addr->router != NULL)
- s = string_append(s, &size, &ptr, 2, US" R=", addr->router->name);
- if (addr->transport != NULL)
- s = string_append(s, &size, &ptr, 2, US" T=", addr->transport->name);
-
- if (addr->host_used != NULL)
- 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 != NULL)
- 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 == NULL)
- 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);
-
-#ifdef EXPERIMENTAL_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 */
address_item *addr2;
addr->basic_errno = code;
-if (format != NULL)
+if (format)
{
va_list ap;
uschar buffer[512];
addr->message = string_copy(buffer);
}
-for (addr2 = addr->next; addr2 != NULL; addr2 = addr2->next)
+for (addr2 = addr->next; addr2; addr2 = addr2->next)
{
addr2->basic_errno = code;
addr2->message = addr->message;
check_never_users(uid_t uid, uid_t *nusers)
{
int i;
-if (nusers == NULL) return FALSE;
+if (!nusers) return FALSE;
for (i = 1; i <= (int)(nusers[0]); i++) if (nusers[i] == uid) return TRUE;
return FALSE;
}
findugid(address_item *addr, transport_instance *tp, uid_t *uidp, gid_t *gidp,
BOOL *igfp)
{
-uschar *nuname = NULL;
+uschar *nuname;
BOOL gid_set = FALSE;
/* Default initgroups flag comes from the transport */
*gidp = tp->gid;
gid_set = TRUE;
}
-else if (tp->expand_gid != NULL)
+else if (tp->expand_gid)
{
- if (route_find_expanded_group(tp->expand_gid, tp->name, US"transport", gidp,
- &(addr->message))) gid_set = TRUE;
- else
+ if (!route_find_expanded_group(tp->expand_gid, tp->name, US"transport", gidp,
+ &(addr->message)))
{
common_error(FALSE, addr, ERRNO_GIDFAIL, NULL);
return FALSE;
}
+ gid_set = TRUE;
}
/* If the transport did not set a group, see if the router did. */
/* Otherwise, try for an expandable uid field. If it ends up as a numeric id,
it does not provide a passwd value from which a gid can be taken. */
-else if (tp->expand_uid != NULL)
+else if (tp->expand_uid)
{
struct passwd *pw;
if (!route_find_expanded_user(tp->expand_uid, tp->name, US"transport", &pw,
common_error(FALSE, addr, ERRNO_UIDFAIL, NULL);
return FALSE;
}
- if (!gid_set && pw != NULL)
+ if (!gid_set && pw)
{
*gidp = pw->pw_gid;
gid_set = TRUE;
/* Check that the uid is not on the lists of banned uids that may not be used
for delivery processes. */
-if (check_never_users(*uidp, never_users))
- nuname = US"never_users";
-else if (check_never_users(*uidp, fixed_never_users))
- nuname = US"fixed_never_users";
-
-if (nuname != NULL)
+nuname = check_never_users(*uidp, never_users)
+ ? US"never_users"
+ : check_never_users(*uidp, fixed_never_users)
+ ? US"fixed_never_users"
+ : NULL;
+if (nuname)
{
common_error(TRUE, addr, ERRNO_UIDFAIL, US"User %ld set for %s transport "
"is on the %s list", (long int)(*uidp), tp->name, nuname);
size_limit = expand_string_integer(tp->message_size_limit, TRUE);
deliver_set_expansions(NULL);
-if (expand_string_message != NULL)
+if (expand_string_message)
{
rc = DEFER;
- if (size_limit == -1)
- addr->message = string_sprintf("failed to expand message_size_limit "
- "in %s transport: %s", tp->name, expand_string_message);
- else
- addr->message = string_sprintf("invalid message_size_limit "
+ addr->message = size_limit == -1
+ ? string_sprintf("failed to expand message_size_limit "
+ "in %s transport: %s", tp->name, expand_string_message)
+ : string_sprintf("invalid message_size_limit "
"in %s transport: %s", tp->name, expand_string_message);
}
else if (size_limit > 0 && message_size > size_limit)
/* Set up the return path from the errors or sender address. If the transport
has its own return path setting, expand it and replace the existing value. */
-if(addr->prop.errors_address != NULL)
+if(addr->prop.errors_address)
return_path = addr->prop.errors_address;
#ifdef EXPERIMENTAL_SRS
-else if(addr->prop.srs_sender != NULL)
+else if (addr->prop.srs_sender)
return_path = addr->prop.srs_sender;
#endif
else
return_path = sender_address;
-if (tp->return_path != NULL)
+if (tp->return_path)
{
uschar *new_return_path = expand_string(tp->return_path);
- if (new_return_path == NULL)
+ if (!new_return_path)
{
if (!expand_string_forcedfail)
{
home directory set in the address may already be expanded; a flag is set to
indicate that. In other cases we must expand it. */
-if ((deliver_home = tp->home_dir) != NULL || /* Set in transport, or */
- ((deliver_home = addr->home_dir) != NULL && /* Set in address and */
- !testflag(addr, af_home_expanded))) /* not expanded */
+if ( (deliver_home = tp->home_dir) /* Set in transport, or */
+ || ( (deliver_home = addr->home_dir) /* Set in address and */
+ && !testflag(addr, af_home_expanded) /* not expanded */
+ ) )
{
uschar *rawhome = deliver_home;
deliver_home = NULL; /* in case it contains $home */
- deliver_home = expand_string(rawhome);
- if (deliver_home == NULL)
+ if (!(deliver_home = expand_string(rawhome)))
{
common_error(TRUE, addr, ERRNO_EXPANDFAIL, US"home directory \"%s\" failed "
"to expand for %s transport: %s", rawhome, tp->name,
operating systems when running pipes, as some commands (e.g. "rm" under Solaris
2.5) require this. */
-working_directory = (tp->current_dir != NULL)?
- tp->current_dir : addr->current_dir;
-
-if (working_directory != NULL)
+working_directory = tp->current_dir ? tp->current_dir : addr->current_dir;
+if (working_directory)
{
uschar *raw = working_directory;
- working_directory = expand_string(raw);
- if (working_directory == NULL)
+ if (!(working_directory = expand_string(raw)))
{
common_error(TRUE, addr, ERRNO_EXPANDFAIL, US"current directory \"%s\" "
"failed to expand for %s transport: %s", raw, tp->name,
return;
}
}
-else working_directory = (deliver_home == NULL)? US"/" : deliver_home;
+else working_directory = deliver_home ? deliver_home : US"/";
/* If one of the return_output flags is set on the transport, create and open a
file in the message log directory for the transport to write its output onto.
This is mainly used by pipe transports. The file needs to be unique to the
address. This feature is not available for shadow transports. */
-if (!shadowing && (tp->return_output || tp->return_fail_output ||
- tp->log_output || tp->log_fail_output))
+if ( !shadowing
+ && ( tp->return_output || tp->return_fail_output
+ || tp->log_output || tp->log_fail_output || tp->log_defer_output
+ ) )
{
- uschar *error;
+ uschar * error;
+
addr->return_filename =
- string_sprintf("%s/msglog/%s/%s-%d-%d", spool_directory, message_subdir,
- message_id, getpid(), return_count++);
- addr->return_file = open_msglog_file(addr->return_filename, 0400, &error);
- if (addr->return_file < 0)
+ spool_fname(US"msglog", message_subdir, message_id,
+ string_sprintf("-%d-%d", getpid(), return_count++));
+
+ if ((addr->return_file = open_msglog_file(addr->return_filename, 0400, &error)) < 0)
{
common_error(TRUE, addr, errno, US"Unable to %s file for %s transport "
"to return message: %s", error, tp->name, strerror(errno));
privileged. (Appendfile uses this to expand quota, for example, while
able to read private files.) */
- if (addr->transport->setup != NULL)
- {
+ if (addr->transport->setup)
switch((addr->transport->setup)(addr->transport, addr, NULL, uid, gid,
&(addr->message)))
{
case DEFER:
- addr->transport_return = DEFER;
- goto PASS_BACK;
+ addr->transport_return = DEFER;
+ goto PASS_BACK;
case FAIL:
- addr->transport_return = PANIC;
- goto PASS_BACK;
+ addr->transport_return = PANIC;
+ goto PASS_BACK;
}
- }
/* Ignore SIGINT and SIGTERM during delivery. Also ignore SIGUSR1, as
when the process becomes unprivileged, it won't be able to write to the
{
address_item *batched;
debug_printf(" home=%s current=%s\n", deliver_home, working_directory);
- for (batched = addr->next; batched != NULL; batched = batched->next)
+ for (batched = addr->next; batched; batched = batched->next)
debug_printf("additional batched address: %s\n", batched->address);
}
/* If a transport filter has been specified, set up its argument list.
Any errors will get put into the address, and FALSE yielded. */
- if (addr->transport->filter_command != NULL)
+ if (addr->transport->filter_command)
{
ok = transport_set_up_command(&transport_filter_argv,
addr->transport->filter_command,
PASS_BACK:
if (replicate) replicate_status(addr);
- for (addr2 = addr; addr2 != NULL; addr2 = addr2->next)
+ for (addr2 = addr; addr2; addr2 = addr2->next)
{
int i;
int local_part_length = Ustrlen(addr2->local_part);
uschar *s;
int ret;
- if( (ret = write(pfd[pipe_write], (void *)&(addr2->transport_return), sizeof(int))) != sizeof(int)
- || (ret = write(pfd[pipe_write], (void *)&transport_count, sizeof(transport_count))) != sizeof(transport_count)
- || (ret = write(pfd[pipe_write], (void *)&(addr2->flags), sizeof(addr2->flags))) != sizeof(addr2->flags)
- || (ret = write(pfd[pipe_write], (void *)&(addr2->basic_errno), sizeof(int))) != sizeof(int)
- || (ret = write(pfd[pipe_write], (void *)&(addr2->more_errno), sizeof(int))) != sizeof(int)
- || (ret = write(pfd[pipe_write], (void *)&(addr2->special_action), sizeof(int))) != sizeof(int)
- || (ret = write(pfd[pipe_write], (void *)&(addr2->transport),
+ if( (ret = write(pfd[pipe_write], &addr2->transport_return, sizeof(int))) != sizeof(int)
+ || (ret = write(pfd[pipe_write], &transport_count, sizeof(transport_count))) != sizeof(transport_count)
+ || (ret = write(pfd[pipe_write], &addr2->flags, sizeof(addr2->flags))) != sizeof(addr2->flags)
+ || (ret = write(pfd[pipe_write], &addr2->basic_errno, sizeof(int))) != sizeof(int)
+ || (ret = write(pfd[pipe_write], &addr2->more_errno, sizeof(int))) != sizeof(int)
+ || (ret = write(pfd[pipe_write], &addr2->special_action, sizeof(int))) != sizeof(int)
+ || (ret = write(pfd[pipe_write], &addr2->transport,
sizeof(transport_instance *))) != sizeof(transport_instance *)
/* For a file delivery, pass back the local part, in case the original
logging. */
|| (testflag(addr2, af_file)
- && ( (ret = write(pfd[pipe_write], (void *)&local_part_length, sizeof(int))) != sizeof(int)
+ && ( (ret = write(pfd[pipe_write], &local_part_length, sizeof(int))) != sizeof(int)
|| (ret = write(pfd[pipe_write], addr2->local_part, local_part_length)) != local_part_length
)
)
)
- log_write(0, LOG_MAIN|LOG_PANIC, "Failed writing transport results to pipe: %s\n",
+ log_write(0, LOG_MAIN|LOG_PANIC, "Failed writing transport results to pipe: %s",
ret == -1 ? strerror(errno) : "short write");
/* Now any messages */
for (i = 0, s = addr2->message; i < 2; i++, s = addr2->user_message)
{
- int message_length = (s == NULL)? 0 : Ustrlen(s) + 1;
- if( (ret = write(pfd[pipe_write], (void *)&message_length, sizeof(int))) != sizeof(int)
- || (message_length > 0 && (ret = write(pfd[pipe_write], s, message_length)) != message_length)
+ int message_length = s ? Ustrlen(s) + 1 : 0;
+ 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");
}
}
(void)close(pfd[pipe_write]);
-for (addr2 = addr; addr2 != NULL; addr2 = addr2->next)
+for (addr2 = addr; addr2; addr2 = addr2->next)
{
- len = read(pfd[pipe_read], (void *)&status, sizeof(int));
- if (len > 0)
+ if ((len = read(pfd[pipe_read], &status, sizeof(int))) > 0)
{
int i;
uschar **sptr;
addr2->transport_return = status;
- len = read(pfd[pipe_read], (void *)&transport_count,
+ len = read(pfd[pipe_read], &transport_count,
sizeof(transport_count));
- len = read(pfd[pipe_read], (void *)&(addr2->flags), sizeof(addr2->flags));
- len = read(pfd[pipe_read], (void *)&(addr2->basic_errno), sizeof(int));
- len = read(pfd[pipe_read], (void *)&(addr2->more_errno), sizeof(int));
- len = read(pfd[pipe_read], (void *)&(addr2->special_action), sizeof(int));
- len = read(pfd[pipe_read], (void *)&(addr2->transport),
+ len = read(pfd[pipe_read], &addr2->flags, sizeof(addr2->flags));
+ len = read(pfd[pipe_read], &addr2->basic_errno, sizeof(int));
+ len = read(pfd[pipe_read], &addr2->more_errno, sizeof(int));
+ len = read(pfd[pipe_read], &addr2->special_action, sizeof(int));
+ len = read(pfd[pipe_read], &addr2->transport,
sizeof(transport_instance *));
if (testflag(addr2, af_file))
{
- int local_part_length;
- len = read(pfd[pipe_read], (void *)&local_part_length, sizeof(int));
- len = read(pfd[pipe_read], (void *)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);
}
- for (i = 0, sptr = &(addr2->message); i < 2;
- i++, sptr = &(addr2->user_message))
+ for (i = 0, sptr = &addr2->message; i < 2; i++, sptr = &addr2->user_message)
{
int message_length;
- len = read(pfd[pipe_read], (void *)&message_length, sizeof(int));
+ len = read(pfd[pipe_read], &message_length, sizeof(int));
if (message_length > 0)
{
- len = read(pfd[pipe_read], (void *)big_buffer, message_length);
+ len = read(pfd[pipe_read], big_buffer, message_length);
+ big_buffer[big_buffer_size-1] = '\0'; /* guard byte */
if (len > 0) *sptr = string_copy(big_buffer);
}
}
if (!shadowing)
{
- for (addr2 = addr; addr2 != NULL; addr2 = addr2->next)
- {
- if (addr2->transport_return != OK) continue;
-
- if (testflag(addr2, af_homonym))
- sprintf(CS big_buffer, "%.500s/%s\n", addr2->unique + 3, tp->name);
- else
- sprintf(CS big_buffer, "%.500s\n", addr2->unique);
+ for (addr2 = addr; addr2; addr2 = addr2->next)
+ if (addr2->transport_return == OK)
+ {
+ if (testflag(addr2, af_homonym))
+ sprintf(CS big_buffer, "%.500s/%s\n", addr2->unique + 3, tp->name);
+ else
+ sprintf(CS big_buffer, "%.500s\n", addr2->unique);
- /* In the test harness, wait just a bit to let the subprocess finish off
- any debug output etc first. */
+ /* In the test harness, wait just a bit to let the subprocess finish off
+ any debug output etc first. */
- if (running_in_test_harness) millisleep(300);
+ if (running_in_test_harness) millisleep(300);
- DEBUG(D_deliver) debug_printf("journalling %s", big_buffer);
- len = Ustrlen(big_buffer);
- if (write(journal_fd, big_buffer, len) != len)
- log_write(0, LOG_MAIN|LOG_PANIC, "failed to update journal for %s: %s",
- big_buffer, strerror(errno));
- }
+ DEBUG(D_deliver) debug_printf("journalling %s", big_buffer);
+ len = Ustrlen(big_buffer);
+ if (write(journal_fd, big_buffer, len) != len)
+ log_write(0, LOG_MAIN|LOG_PANIC, "failed to update journal for %s: %s",
+ big_buffer, strerror(errno));
+ }
/* Ensure the journal file is pushed out to disk. */
resets SIGCHLD to SIG_DFL, but this code should still be robust. */
while ((rc = wait(&status)) != pid)
- {
if (rc < 0 && errno == ECHILD) /* Process has vanished */
{
log_write(0, LOG_MAIN, "%s transport process vanished unexpectedly",
status = 0;
break;
}
- }
if ((status & 0xffff) != 0)
{
"status 0x%04x: %s %d",
addr->transport->driver_name,
status,
- (msb == 0)? "terminated by signal" : "exit code",
+ msb == 0 ? "terminated by signal" : "exit code",
code);
}
/* If SPECIAL_WARN is set in the top address, send a warning message. */
-if (addr->special_action == SPECIAL_WARN &&
- addr->transport->warn_message != NULL)
+if (addr->special_action == SPECIAL_WARN && addr->transport->warn_message)
{
int fd;
uschar *warn_message;
+ pid_t pid;
DEBUG(D_deliver) debug_printf("Warning message requested by transport\n");
- warn_message = expand_string(addr->transport->warn_message);
- if (warn_message == NULL)
+ if (!(warn_message = expand_string(addr->transport->warn_message)))
log_write(0, LOG_MAIN|LOG_PANIC, "Failed to expand \"%s\" (warning "
"message for %s transport): %s", addr->transport->warn_message,
addr->transport->name, expand_string_message);
- else
+
+ else if ((pid = child_open_exim(&fd)) > 0)
{
- pid_t pid = child_open_exim(&fd);
- if (pid > 0)
- {
- FILE *f = fdopen(fd, "wb");
- if (errors_reply_to != NULL &&
- !contains_header(US"Reply-To", warn_message))
- fprintf(f, "Reply-To: %s\n", errors_reply_to);
- fprintf(f, "Auto-Submitted: auto-replied\n");
- if (!contains_header(US"From", warn_message)) moan_write_from(f);
- fprintf(f, "%s", CS warn_message);
+ FILE *f = fdopen(fd, "wb");
+ if (errors_reply_to && !contains_header(US"Reply-To", warn_message))
+ fprintf(f, "Reply-To: %s\n", errors_reply_to);
+ fprintf(f, "Auto-Submitted: auto-replied\n");
+ if (!contains_header(US"From", warn_message))
+ moan_write_from(f);
+ fprintf(f, "%s", CS warn_message);
- /* Close and wait for child process to complete, without a timeout. */
+ /* Close and wait for child process to complete, without a timeout. */
- (void)fclose(f);
- (void)child_close(pid, 0);
- }
+ (void)fclose(f);
+ (void)child_close(pid, 0);
}
addr->special_action = SPECIAL_NONE;
+
+/* Check transport for the given concurrency limit. Return TRUE if over
+the limit (or an expansion failure), else FALSE and if there was a limit,
+the key for the hints database used for the concurrency count. */
+
+static BOOL
+tpt_parallel_check(transport_instance * tp, address_item * addr, uschar ** key)
+{
+unsigned max_parallel;
+
+if (!tp->max_parallel) return FALSE;
+
+max_parallel = (unsigned) expand_string_integer(tp->max_parallel, TRUE);
+if (expand_string_message)
+ {
+ log_write(0, LOG_MAIN|LOG_PANIC, "Failed to expand max_parallel option "
+ "in %s transport (%s): %s", tp->name, addr->address,
+ expand_string_message);
+ return TRUE;
+ }
+
+if (max_parallel > 0)
+ {
+ uschar * serialize_key = string_sprintf("tpt-serialize-%s", tp->name);
+ if (!enq_start(serialize_key, max_parallel))
+ {
+ address_item * next;
+ DEBUG(D_transport)
+ debug_printf("skipping tpt %s because concurrency limit %u reached\n",
+ tp->name, max_parallel);
+ do
+ {
+ next = addr->next;
+ addr->message = US"concurrency limit reached for transport";
+ addr->basic_errno = ERRNO_TRETRY;
+ post_process_one(addr, DEFER, LOG_MAIN, DTYPE_TRANSPORT, 0);
+ } while ((addr = next));
+ return TRUE;
+ }
+ *key = serialize_key;
+ }
+return FALSE;
+}
+
+
+
/*************************************************
* Do local deliveries *
*************************************************/
/* Loop until we have exhausted the supply of local deliveries */
-while (addr_local != NULL)
+while (addr_local)
{
time_t delivery_start;
int deliver_time;
int logflags = LOG_MAIN;
int logchar = dont_deliver? '*' : '=';
transport_instance *tp;
+ uschar * serialize_key = NULL;
/* Pick the first undelivered address off the chain */
/* An internal disaster if there is no transport. Should not occur! */
- if ((tp = addr->transport) == NULL)
+ if (!(tp = addr->transport))
{
logflags |= LOG_PANIC;
disable_logging = FALSE; /* Jic */
- addr->message =
- (addr->router != NULL)?
- string_sprintf("No transport set by %s router", addr->router->name)
- :
- string_sprintf("No transport set by system filter");
+ addr->message = addr->router
+ ? string_sprintf("No transport set by %s router", addr->router->name)
+ : string_sprintf("No transport set by system filter");
post_process_one(addr, DEFER, logflags, DTYPE_TRANSPORT, 0);
continue;
}
if either batch_max <= 1 or there aren't any other addresses for local
delivery. */
- if (tp->batch_max > 1 && addr_local != NULL)
+ if (tp->batch_max > 1 && addr_local)
{
int batch_count = 1;
BOOL uses_dom = readconf_depends((driver_instance *)tp, US"domain");
- BOOL uses_lp = (testflag(addr, af_pfr) &&
- (testflag(addr, af_file) || addr->local_part[0] == '|')) ||
- readconf_depends((driver_instance *)tp, US"local_part");
+ BOOL uses_lp = ( testflag(addr, af_pfr)
+ && (testflag(addr, af_file) || addr->local_part[0] == '|')
+ )
+ || readconf_depends((driver_instance *)tp, US"local_part");
uschar *batch_id = NULL;
address_item **anchor = &addr_local;
address_item *last = addr;
/* Expand the batch_id string for comparison with other addresses.
Expansion failure suppresses batching. */
- if (tp->batch_id != NULL)
+ if (tp->batch_id)
{
deliver_set_expansions(addr);
batch_id = expand_string(tp->batch_id);
deliver_set_expansions(NULL);
- if (batch_id == NULL)
+ if (!batch_id)
{
log_write(0, LOG_MAIN|LOG_PANIC, "Failed to expand batch_id option "
"in %s transport (%s): %s", tp->name, addr->address,
same first host if a host list is set
*/
- while ((next = *anchor) != NULL && batch_count < tp->batch_max)
+ while ((next = *anchor) && batch_count < tp->batch_max)
{
BOOL ok =
- tp == next->transport &&
- !previously_transported(next, TRUE) &&
- (addr->flags & (af_pfr|af_file)) == (next->flags & (af_pfr|af_file)) &&
- (!uses_lp || Ustrcmp(next->local_part, addr->local_part) == 0) &&
- (!uses_dom || Ustrcmp(next->domain, addr->domain) == 0) &&
- same_strings(next->prop.errors_address, addr->prop.errors_address) &&
- same_headers(next->prop.extra_headers, addr->prop.extra_headers) &&
- same_strings(next->prop.remove_headers, addr->prop.remove_headers) &&
- same_ugid(tp, addr, next) &&
- ((addr->host_list == NULL && next->host_list == NULL) ||
- (addr->host_list != NULL && next->host_list != NULL &&
- Ustrcmp(addr->host_list->name, next->host_list->name) == 0));
+ tp == next->transport
+ && !previously_transported(next, TRUE)
+ && (addr->flags & (af_pfr|af_file)) == (next->flags & (af_pfr|af_file))
+ && (!uses_lp || Ustrcmp(next->local_part, addr->local_part) == 0)
+ && (!uses_dom || Ustrcmp(next->domain, addr->domain) == 0)
+ && same_strings(next->prop.errors_address, addr->prop.errors_address)
+ && same_headers(next->prop.extra_headers, addr->prop.extra_headers)
+ && same_strings(next->prop.remove_headers, addr->prop.remove_headers)
+ && same_ugid(tp, addr, next)
+ && ( !addr->host_list && !next->host_list
+ || addr->host_list
+ && next->host_list
+ && Ustrcmp(addr->host_list->name, next->host_list->name) == 0
+ );
/* If the transport has a batch_id setting, batch_id will be non-NULL
from the expansion outside the loop. Expand for this address and compare.
Expansion failure makes this address ineligible for batching. */
- if (ok && batch_id != NULL)
+ if (ok && batch_id)
{
uschar *bid;
address_item *save_nextnext = next->next;
next->next = save_nextnext;
bid = expand_string(tp->batch_id);
deliver_set_expansions(NULL);
- if (bid == NULL)
+ if (!bid)
{
log_write(0, LOG_MAIN|LOG_PANIC, "Failed to expand batch_id option "
"in %s transport (%s): %s", tp->name, next->address,
last = next;
batch_count++;
}
- else anchor = &(next->next); /* Skip the address */
+ else anchor = &next->next; /* Skip the address */
}
}
fail them all forthwith. If the expansion fails, or does not yield an
integer, defer delivery. */
- if (tp->message_size_limit != NULL)
+ if (tp->message_size_limit)
{
int rc = check_message_size(tp, addr);
if (rc != OK)
{
replicate_status(addr);
- while (addr != NULL)
+ while (addr)
{
addr2 = addr->next;
post_process_one(addr, rc, logflags, DTYPE_TRANSPORT, 0);
of these checks, rather than for all local deliveries, because some local
deliveries (e.g. to pipes) can take a substantial time. */
- dbm_file = dbfn_open(US"retry", O_RDONLY, &dbblock, FALSE);
- if (dbm_file == NULL)
+ if (!(dbm_file = dbfn_open(US"retry", O_RDONLY, &dbblock, FALSE)))
{
DEBUG(D_deliver|D_retry|D_hints_lookup)
debug_printf("no retry data available\n");
addr2 = addr;
addr3 = NULL;
- while (addr2 != NULL)
+ while (addr2)
{
BOOL ok = TRUE; /* to deliver this address */
uschar *retry_key;
a routing delay. */
retry_key = string_copy(
- (tp->retry_use_local_part)? addr2->address_retry_key :
+ tp->retry_use_local_part ? addr2->address_retry_key :
addr2->domain_retry_key);
*retry_key = 'T';
/* Inspect the retry data. If there is no hints file, delivery happens. */
- if (dbm_file != NULL)
+ if (dbm_file)
{
dbdata_retry *retry_record = dbfn_read(dbm_file, retry_key);
/* If there is no retry record, delivery happens. If there is,
remember it exists so it can be deleted after a successful delivery. */
- if (retry_record != NULL)
+ if (retry_record)
{
setflag(addr2, af_lt_retry_exists);
if (queue_running && !deliver_force)
{
- ok = (now - retry_record->time_stamp > retry_data_expire) ||
- (now >= retry_record->next_try) ||
- retry_record->expired;
+ ok = (now - retry_record->time_stamp > retry_data_expire)
+ || (now >= retry_record->next_try)
+ || retry_record->expired;
/* If we haven't reached the retry time, there is one more check
to do, which is for the ultimate address timeout. */
address_item *this = addr2;
this->message = US"Retry time not yet reached";
this->basic_errno = ERRNO_LRETRY;
- if (addr3 == NULL) addr2 = addr = addr2->next;
- else addr2 = addr3->next = addr2->next;
+ addr2 = addr3 ? (addr3->next = addr2->next)
+ : (addr = addr2->next);
post_process_one(this, DEFER, logflags, DTYPE_TRANSPORT, 0);
}
}
- if (dbm_file != NULL) dbfn_close(dbm_file);
+ if (dbm_file) dbfn_close(dbm_file);
/* If there are no addresses left on the chain, they all deferred. Loop
for the next set of addresses. */
- if (addr == NULL) continue;
+ if (!addr) continue;
+
+ /* If the transport is limited for parallellism, enforce that here.
+ We use a hints DB entry, incremented here and decremented after
+ the transport (and any shadow transport) completes. */
+
+ if (tpt_parallel_check(tp, addr, &serialize_key))
+ {
+ if (expand_string_message)
+ {
+ logflags |= LOG_PANIC;
+ do
+ {
+ addr = addr->next;
+ post_process_one(addr, DEFER, logflags, DTYPE_TRANSPORT, 0);
+ } while ((addr = addr2));
+ }
+ continue; /* Loop for the next set of addresses. */
+ }
+
/* So, finally, we do have some addresses that can be passed to the
transport. Before doing so, set up variables that are relevant to a
NOTE: if the condition fails because of a lookup defer, there is nothing we
can do! */
- if (tp->shadow != NULL &&
- (tp->shadow_condition == NULL ||
- expand_check_condition(tp->shadow_condition, tp->name, US"transport")))
+ if ( tp->shadow
+ && ( !tp->shadow_condition
+ || expand_check_condition(tp->shadow_condition, tp->name, US"transport")
+ ) )
{
transport_instance *stp;
address_item *shadow_addr = NULL;
address_item **last = &shadow_addr;
- for (stp = transports; stp != NULL; stp = stp->next)
+ for (stp = transports; stp; stp = stp->next)
if (Ustrcmp(stp->name, tp->shadow) == 0) break;
- if (stp == NULL)
+ if (!stp)
log_write(0, LOG_MAIN|LOG_PANIC, "shadow transport \"%s\" not found ",
tp->shadow);
the shadow_message field a pointer to the shadow_message field of the real
address. */
- else for (addr2 = addr; addr2 != NULL; addr2 = addr2->next)
- {
- if (addr2->transport_return != OK) continue;
- addr3 = store_get(sizeof(address_item));
- *addr3 = *addr2;
- addr3->next = NULL;
- addr3->shadow_message = (uschar *)(&(addr2->shadow_message));
- addr3->transport = stp;
- addr3->transport_return = DEFER;
- addr3->return_filename = NULL;
- addr3->return_file = -1;
- *last = addr3;
- last = &(addr3->next);
- }
+ else for (addr2 = addr; addr2; addr2 = addr2->next)
+ if (addr2->transport_return == OK)
+ {
+ addr3 = store_get(sizeof(address_item));
+ *addr3 = *addr2;
+ addr3->next = NULL;
+ 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;
+ }
/* If we found any addresses to shadow, run the delivery, and stick any
message back into the shadow_message field in the original. */
- if (shadow_addr != NULL)
+ if (shadow_addr)
{
int save_count = transport_count;
debug_printf(">>>>>>>>>>>>>>>> Shadow delivery >>>>>>>>>>>>>>>>\n");
deliver_local(shadow_addr, TRUE);
- for(; shadow_addr != NULL; shadow_addr = shadow_addr->next)
+ for(; shadow_addr; shadow_addr = shadow_addr->next)
{
int sresult = shadow_addr->transport_return;
- *((uschar **)(shadow_addr->shadow_message)) = (sresult == OK)?
- string_sprintf(" ST=%s", stp->name) :
- string_sprintf(" ST=%s (%s%s%s)", stp->name,
- (shadow_addr->basic_errno <= 0)?
- US"" : US strerror(shadow_addr->basic_errno),
- (shadow_addr->basic_errno <= 0 || shadow_addr->message == NULL)?
- US"" : US": ",
- (shadow_addr->message != NULL)? shadow_addr->message :
- (shadow_addr->basic_errno <= 0)? US"unknown error" : US"");
+ *(uschar **)shadow_addr->shadow_message =
+ sresult == OK
+ ? string_sprintf(" ST=%s", stp->name)
+ : string_sprintf(" ST=%s (%s%s%s)", stp->name,
+ shadow_addr->basic_errno <= 0
+ ? US""
+ : US strerror(shadow_addr->basic_errno),
+ shadow_addr->basic_errno <= 0 || !shadow_addr->message
+ ? US""
+ : US": ",
+ shadow_addr->message
+ ? shadow_addr->message
+ : shadow_addr->basic_errno <= 0
+ ? US"unknown error"
+ : US"");
DEBUG(D_deliver|D_transport)
debug_printf("%s shadow transport returned %s for %s\n",
stp->name,
- (sresult == OK)? "OK" :
- (sresult == DEFER)? "DEFER" :
- (sresult == FAIL)? "FAIL" :
- (sresult == PANIC)? "PANIC" : "?",
+ sresult == OK ? "OK" :
+ sresult == DEFER ? "DEFER" :
+ sresult == FAIL ? "FAIL" :
+ sresult == PANIC ? "PANIC" : "?",
shadow_addr->address);
}
deliver_set_expansions(NULL);
+ /* If the transport was parallelism-limited, decrement the hints DB record. */
+
+ if (serialize_key) enq_end(serialize_key);
+
/* Now we can process the results of the real transport. We must take each
address off the chain first, because post_process_one() puts it on another
chain. */
- for (addr2 = addr; addr2 != NULL; addr2 = nextaddr)
+ for (addr2 = addr; addr2; addr2 = nextaddr)
{
int result = addr2->transport_return;
nextaddr = addr2->next;
DEBUG(D_deliver|D_transport)
debug_printf("%s transport returned %s for %s\n",
tp->name,
- (result == OK)? "OK" :
- (result == DEFER)? "DEFER" :
- (result == FAIL)? "FAIL" :
- (result == PANIC)? "PANIC" : "?",
+ result == OK ? "OK" :
+ result == DEFER ? "DEFER" :
+ result == FAIL ? "FAIL" :
+ result == PANIC ? "PANIC" : "?",
addr2->address);
/* If there is a retry_record, or if delivery is deferred, build a retry
if (result == DEFER || testflag(addr2, af_lt_retry_exists))
{
- int flags = (result == DEFER)? 0 : rf_delete;
- uschar *retry_key = string_copy((tp->retry_use_local_part)?
- addr2->address_retry_key : addr2->domain_retry_key);
+ int flags = result == DEFER ? 0 : rf_delete;
+ uschar *retry_key = string_copy(tp->retry_use_local_part
+ ? addr2->address_retry_key : addr2->domain_retry_key);
*retry_key = 'T';
retry_add_item(addr2, retry_key, flags);
}
if (addr2->transport_return != result)
{
- for (addr3 = nextaddr; addr3 != NULL; addr3 = addr3->next)
+ for (addr3 = nextaddr; addr3; addr3 = addr3->next)
{
addr3->transport_return = addr2->transport_return;
addr3->basic_errno = addr2->basic_errno;
uschar *pattern;
uschar patbuf[256];
-while (*aptr != NULL &&
- (pattern = string_nextinlist(&listptr, &sep, patbuf, sizeof(patbuf)))
- != NULL)
+while ( *aptr
+ && (pattern = string_nextinlist(&listptr, &sep, patbuf, sizeof(patbuf)))
+ )
{
address_item *moved = NULL;
address_item **bptr = &moved;
- while (*aptr != NULL)
+ while (*aptr)
{
address_item **next;
deliver_domain = (*aptr)->domain; /* set $domain */
if (match_isinlist(deliver_domain, (const uschar **)&pattern, UCHAR_MAX+1,
&domainlist_anchor, NULL, MCL_DOMAIN, TRUE, NULL) == OK)
{
- aptr = &((*aptr)->next);
+ aptr = &(*aptr)->next;
continue;
}
- next = &((*aptr)->next);
- while (*next != NULL &&
- (deliver_domain = (*next)->domain, /* Set $domain */
+ next = &(*aptr)->next;
+ while ( *next
+ && (deliver_domain = (*next)->domain, /* Set $domain */
match_isinlist(deliver_domain, (const uschar **)&pattern, UCHAR_MAX+1,
- &domainlist_anchor, NULL, MCL_DOMAIN, TRUE, NULL)) != OK)
- next = &((*next)->next);
+ &domainlist_anchor, NULL, MCL_DOMAIN, TRUE, NULL)) != OK
+ )
+ next = &(*next)->next;
/* If the batch of non-matchers is at the end, add on any that were
extracted further up the chain, and end this iteration. Otherwise,
extract them from the chain and hang on the moved chain. */
- if (*next == NULL)
+ if (!*next)
{
*next = moved;
break;
*aptr = *next;
*next = NULL;
bptr = next;
- aptr = &((*aptr)->next);
+ aptr = &(*aptr)->next;
}
/* If the loop ended because the final address matched, *aptr will
is, there was a string of non-matching addresses at the end. In this
case the extracted addresses have already been added on the end. */
- if (*aptr == NULL) *aptr = moved;
+ if (!*aptr) *aptr = moved;
}
DEBUG(D_deliver)
{
address_item *addr;
debug_printf("remote addresses after sorting:\n");
- for (addr = addr_remote; addr != NULL; addr = addr->next)
+ for (addr = addr_remote; addr; addr = addr->next)
debug_printf(" %s\n", addr->address);
}
}
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. */
/* copy and read header */
memcpy(header, ptr, PIPE_HEADER_SIZE);
- header[PIPE_HEADER_SIZE] = '\0';
+ header[PIPE_HEADER_SIZE] = '\0';
id = header[0];
subid = header[1];
required = Ustrtol(header + 2, &endc, 10) + PIPE_HEADER_SIZE; /* header + data */
}
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
available in store. */
up by checking the IP address. */
case 'H':
- for (h = addrlist->host_list; h != NULL; h = h->next)
- {
- if (h->address == NULL || 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 == NULL) 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) != NULL; 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 == NULL || (*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 == NULL) 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':
- addr->peercert = NULL;
- if (*ptr)
- (void) tls_import_cert(ptr, &addr->peercert);
- break;
-
- case '3':
- addr->ourcert = NULL;
- if (*ptr)
- (void) tls_import_cert(ptr, &addr->ourcert);
- break;
+ 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;
+
+ 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 == 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;
+ case 'K':
+ addr->flags |= af_chunking_used;
+ break;
- case 'A':
- if (addr == NULL)
- {
- 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;
- }
- 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 */
-
- 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++;
+ 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;
+ }
- /* Finished with this address */
+ 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
+
+ #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++);
- addr = addr->next;
- break;
+ /* Always two strings for host information, followed by the port number and DNSSEC mark */
+
+ 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 */
+
+ 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;
}
}
/* If we have finished without error, but haven't had data for every address,
something is wrong. */
-if (msg == NULL && addr != NULL)
+if (!msg && addr)
msg = string_sprintf("insufficient address data read from pipe "
"for transport process %d for transport %s", pid,
addr->transport->driver_name);
/* If an error message is set, something has gone wrong in getting back
the delivery data. Put the message into each address and freeze it. */
-if (msg != NULL)
- {
- for (addr = addrlist; addr != NULL; addr = addr->next)
+if (msg)
+ for (addr = addrlist; addr; addr = addr->next)
{
addr->transport_return = DEFER;
addr->special_action = SPECIAL_FREEZE;
addr->message = msg;
}
- }
/* Return TRUE to indicate we have got all we need from this process, even
if it hasn't actually finished yet. */
/* If any host addresses were found to be unusable, add them to the unusable
tree so that subsequent deliveries don't try them. */
-for (h = addr->host_list; h != NULL; h = h->next)
- {
- if (h->address == NULL) continue;
- if (h->status >= hstatus_unusable) tree_add_unusable(h);
- }
+for (h = addr->host_list; h; h = h->next)
+ if (h->address)
+ if (h->status >= hstatus_unusable) tree_add_unusable(h);
/* Now handle each address on the chain. The transport has placed '=' or '-'
into the special_action field for each successful delivery. */
-while (addr != NULL)
+while (addr)
{
address_item *next = addr->next;
processing the main hosts and there are fallback hosts available, put the
address on the list for fallback delivery. */
- if (addr->transport_return == DEFER &&
- addr->fallback_hosts != NULL &&
- !fallback &&
- msg == NULL)
+ if ( addr->transport_return == DEFER
+ && addr->fallback_hosts
+ && !fallback
+ && !msg
+ )
{
addr->host_list = addr->fallback_hosts;
addr->next = addr_fallback;
else
{
- if (msg != NULL)
+ if (msg)
{
addr->message = msg;
addr->transport_return = DEFER;
we have logged that delivery, set continue_sequence to 1 so that
any subsequent deliveries don't get "*" incorrectly logged. */
-if (continue_transport == NULL) continue_sequence = 1;
+if (!continue_transport) continue_sequence = 1;
}
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. */
readycount > 0 && poffset < remote_max_parallel;
poffset++)
{
- if ((pid = parlist[poffset].pid) != 0 &&
- FD_ISSET(parlist[poffset].fd, &select_pipes))
+ if ( (pid = parlist[poffset].pid) != 0
+ && FD_ISSET(parlist[poffset].fd, &select_pipes)
+ )
{
readycount--;
if (par_read_pipe(poffset, FALSE)) /* Finished with this pipe */
if (msb != 0 || (code != SIGTERM && code != SIGKILL && code != SIGQUIT))
addrlist->special_action = SPECIAL_FREEZE;
- for (addr = addrlist; addr != NULL; addr = addr->next)
+ for (addr = addrlist; addr; addr = addr->next)
{
addr->transport_return = DEFER;
addr->message = msg;
while (parcount > max)
{
address_item *doneaddr = par_wait();
- if (doneaddr == NULL)
+ if (!doneaddr)
{
log_write(0, LOG_MAIN|LOG_PANIC,
"remote delivery process count got out of step");
parcount = 0;
}
- else remote_post_process(doneaddr, LOG_MAIN, NULL, fallback);
+ else
+ {
+ transport_instance * tp = doneaddr->transport;
+ if (tp->max_parallel)
+ enq_end(string_sprintf("tpt-serialize-%s", tp->name));
+
+ remote_post_process(doneaddr, LOG_MAIN, NULL, fallback);
+ }
}
}
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;
+int header_length;
+int ret;
/* 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,
+ {
+ 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)
-{
+ {
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",
+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)
+if ((ret = write(fd, writebuffer, size)) != size)
log_write(0, LOG_MAIN|LOG_PANIC_DIE, "Failed writing transport result to pipe: %s\n",
ret == -1 ? strerror(errno) : "short write");
}
We use a local variable (parmax) to hold the maximum number of processes;
this gets reduced from remote_max_parallel if we can't create enough pipes. */
-if (continue_transport != NULL) remote_max_parallel = 1;
+if (continue_transport) remote_max_parallel = 1;
parmax = remote_max_parallel;
/* If the data for keeping a list of processes hasn't yet been
set up, do so. */
-if (parlist == NULL)
+if (!parlist)
{
parlist = store_get(remote_max_parallel * sizeof(pardata));
for (poffset = 0; poffset < remote_max_parallel; poffset++)
/* Now loop for each remote delivery */
-for (delivery_count = 0; addr_remote != NULL; delivery_count++)
+for (delivery_count = 0; addr_remote; delivery_count++)
{
pid_t pid;
uid_t uid;
address_item *addr = addr_remote;
address_item *last = addr;
address_item *next;
+ uschar * panicmsg;
+ uschar * serialize_key = NULL;
/* Pull the first address right off the list. */
/* If no transport has been set, there has been a big screw-up somewhere. */
- if ((tp = addr->transport) == NULL)
+ if (!(tp = addr->transport))
{
disable_logging = FALSE; /* Jic */
- remote_post_process(addr, LOG_MAIN|LOG_PANIC,
- US"No transport set by router", fallback);
- continue;
+ panicmsg = US"No transport set by router";
+ goto panic_continue;
}
/* Check that this base address hasn't previously been delivered to this
/* Force failure if the message is too big. */
- if (tp->message_size_limit != NULL)
+ if (tp->message_size_limit)
{
int rc = check_message_size(tp, addr);
if (rc != OK)
&multi_domain) != OK)
{
deliver_set_expansions(NULL);
- remote_post_process(addr, LOG_MAIN|LOG_PANIC, addr->message, fallback);
- continue;
+ panicmsg = addr->message;
+ goto panic_continue;
}
/* Get the maximum it can handle in one envelope, with zero meaning
the use of these variables, but as it is so likely they will be used when the
maximum is 1, we don't bother. Just leave the value alone. */
- if (address_count_max != 1 &&
- address_count_max < remote_delivery_count/remote_max_parallel)
+ if ( address_count_max != 1
+ && address_count_max < remote_delivery_count/remote_max_parallel
+ )
{
int new_max = remote_delivery_count/remote_max_parallel;
int message_max = tp->connection_max_messages;
and if it might need a per-address check for this, re-evaluate it.
*/
- while ((next = *anchor) != NULL && address_count < address_count_max)
+ while ((next = *anchor) && address_count < address_count_max)
{
BOOL md;
if ( (multi_domain || Ustrcmp(next->domain, addr->domain) == 0)
) )
&& ( !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 we are acting as an MUA wrapper, all addresses must go in a single
transaction. If not, put them back on the chain and yield FALSE. */
- if (mua_wrapper && addr_remote != NULL)
+ if (mua_wrapper && addr_remote)
{
last->next = addr_remote;
addr_remote = addr;
return FALSE;
}
+ /* If the transport is limited for parallellism, enforce that here.
+ The hints DB entry is decremented in par_reduce(), when we reap the
+ transport process. */
+
+ if (tpt_parallel_check(tp, addr, &serialize_key))
+ if ((panicmsg = expand_string_message))
+ goto panic_continue;
+ else
+ continue; /* Loop for the next set of addresses. */
+
/* Set up the expansion variables for this set of addresses */
deliver_set_expansions(addr);
/* Compute the return path, expanding a new one if required. The old one
must be set first, as it might be referred to in the expansion. */
- if(addr->prop.errors_address != NULL)
+ if(addr->prop.errors_address)
return_path = addr->prop.errors_address;
#ifdef EXPERIMENTAL_SRS
- else if(addr->prop.srs_sender != NULL)
+ else if(addr->prop.srs_sender)
return_path = addr->prop.srs_sender;
#endif
else
return_path = sender_address;
- if (tp->return_path != NULL)
+ if (tp->return_path)
{
uschar *new_return_path = expand_string(tp->return_path);
- if (new_return_path == NULL)
+ if (new_return_path)
+ return_path = new_return_path;
+ else if (!expand_string_forcedfail)
{
- if (!expand_string_forcedfail)
- {
- remote_post_process(addr, LOG_MAIN|LOG_PANIC,
- string_sprintf("Failed to expand return path \"%s\": %s",
- tp->return_path, expand_string_message), fallback);
- continue;
- }
+ panicmsg = string_sprintf("Failed to expand return path \"%s\": %s",
+ tp->return_path, expand_string_message);
+ goto enq_continue;
}
- else return_path = new_return_path;
}
/* Find the uid, gid, and use_initgroups setting for this transport. Failure
if (!findugid(addr, tp, &uid, &gid, &use_initgroups))
{
- remote_post_process(addr, LOG_MAIN|LOG_PANIC, NULL, fallback);
- continue;
+ panicmsg = NULL;
+ goto enq_continue;
}
/* If this transport has a setup function, call it now so that it gets
That is why it is called at this point, before the continue delivery
processing, because that might use the fallback hosts. */
- if (tp->setup != NULL)
+ 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,
host is set in the transport. */
continue_more = FALSE; /* In case got set for the last lot */
- if (continue_transport != NULL)
+ if (continue_transport)
{
BOOL ok = Ustrcmp(continue_transport, tp->name) == 0;
- if (ok && addr->host_list != NULL)
+ if (ok && addr->host_list)
{
host_item *h;
ok = FALSE;
- for (h = addr->host_list; h != NULL; h = h->next)
- {
+ 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; }
- }
}
/* Addresses not suitable; defer or queue for fallback hosts (which
if (!ok)
{
DEBUG(D_deliver) debug_printf("not suitable for continue_transport\n");
- next = addr;
+ if (serialize_key) enq_end(serialize_key);
- if (addr->fallback_hosts != NULL && !fallback)
+ if (addr->fallback_hosts && !fallback)
{
- for (;;)
+ for (next = addr; ; next = next->next)
{
next->host_list = next->fallback_hosts;
DEBUG(D_deliver) debug_printf("%s queued for fallback host(s)\n", next->address);
- if (next->next == NULL) break;
- next = next->next;
+ if (!next->next) break;
}
next->next = addr_fallback;
addr_fallback = addr;
}
else
- {
- while (next->next != NULL) next = next->next;
- next->next = addr_defer;
- addr_defer = addr;
- }
+ {
+ 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;
+ }
continue;
}
the continued host. This tells the transport to leave the channel open,
but not to pass it to another delivery process. */
- for (next = addr_remote; next != NULL; next = next->next)
+ for (next = addr_remote; next; next = next->next)
{
host_item *h;
- for (h = next->host_list; h != NULL; h = h->next)
- {
+ for (h = next->host_list; h; h = h->next)
if (Ustrcmp(h->name, continue_hostname) == 0)
{ continue_more = TRUE; break; }
- }
}
}
if (!pipe_done)
{
- remote_post_process(addr, LOG_MAIN|LOG_PANIC,
- string_sprintf("unable to create pipe: %s", strerror(errno)), fallback);
- continue;
+ panicmsg = string_sprintf("unable to create pipe: %s", strerror(errno));
+ goto enq_continue;
}
/* Find a free slot in the pardata list. Must do this after the possible
up a slot. */
for (poffset = 0; poffset < remote_max_parallel; poffset++)
- if (parlist[poffset].pid == 0) break;
+ if (parlist[poffset].pid == 0)
+ break;
/* If there isn't one, there has been a horrible disaster. */
{
(void)close(pfd[pipe_write]);
(void)close(pfd[pipe_read]);
- remote_post_process(addr, LOG_MAIN|LOG_PANIC,
- US"Unexpectedly no free subprocess slot", fallback);
- continue;
+ panicmsg = US"Unexpectedly no free subprocess slot";
+ goto enq_continue;
}
/* 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();
/* Show pids on debug output if parallelism possible */
- if (parmax > 1 && (parcount > 0 || addr_remote != NULL))
+ if (parmax > 1 && (parcount > 0 || addr_remote))
{
DEBUG(D_any|D_v) debug_selector |= D_pid;
DEBUG(D_deliver) debug_printf("Remote delivery process started\n");
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
a dup-with-new-file-pointer. */
(void)close(deliver_datafile);
- sprintf(CS spoolname, "%s/input/%s/%s-D", spool_directory, message_subdir,
- message_id);
- deliver_datafile = Uopen(spoolname, O_RDWR | O_APPEND, 0);
+ {
+ uschar * fname = spool_fname(US"input", message_subdir, message_id, US"-D");
- if (deliver_datafile < 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", spoolname, strerror(errno));
+ "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 (!(tp->info->code)(addr->transport, addr)) replicate_status(addr);
set_process_info("delivering %s (just run %s for %s%s in subprocess)",
- message_id, tp->name, addr->address, (addr->next == NULL)? "" : ", ...");
+ message_id, tp->name, addr->address, addr->next ? ", ..." : "");
/* Ensure any cached resources that we used are now released */
/* Host unusability information: for most success cases this will
be null. */
- for (h = addr->host_list; h != NULL; h = h->next)
+ for (h = addr->host_list; h; h = h->next)
{
- if (h->address == NULL || h->status < hstatus_unusable) continue;
+ if (!h->address || h->status < hstatus_unusable) continue;
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);
}
item for any client-auth info followed by 'R' items for any retry settings,
and finally an 'A' item for the remaining data. */
- for(; addr != NULL; addr = addr->next)
+ for(; addr; addr = addr->next)
{
uschar *ptr;
retry_item *r;
#ifdef SUPPORT_TLS
if (addr->cipher)
{
- ptr = big_buffer;
- sprintf(CS ptr, "%.128s", addr->cipher);
- while(*ptr++);
+ ptr = big_buffer + sprintf(CS big_buffer, "%.128s", addr->cipher) + 1;
if (!addr->peerdn)
*ptr++ = 0;
else
- {
- sprintf(CS ptr, "%.512s", addr->peerdn);
- while(*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;
# ifndef DISABLE_OCSP
if (addr->ocsp > OCSP_NOT_REQ)
{
- ptr = big_buffer;
- sprintf(CS ptr, "%c", addr->ocsp + '0');
- while(*ptr++);
+ ptr = big_buffer + sprintf(CS big_buffer, "%c", addr->ocsp + '0') + 1;
rmt_dlv_checked_write(fd, 'X', '4', big_buffer, ptr - big_buffer);
}
# endif
if (client_authenticator)
{
- ptr = big_buffer;
- sprintf(CS big_buffer, "%.64s", client_authenticator);
- while(*ptr++);
+ ptr = big_buffer + sprintf(CS big_buffer, "%.64s", client_authenticator) + 1;
rmt_dlv_checked_write(fd, 'C', '1', big_buffer, ptr - big_buffer);
}
if (client_authenticated_id)
{
- ptr = big_buffer;
- sprintf(CS big_buffer, "%.64s", client_authenticated_id);
- while(*ptr++);
+ ptr = big_buffer + sprintf(CS big_buffer, "%.64s", client_authenticated_id) + 1;
rmt_dlv_checked_write(fd, 'C', '2', big_buffer, ptr - big_buffer);
}
if (client_authenticated_sender)
{
- ptr = big_buffer;
- sprintf(CS big_buffer, "%.64s", client_authenticated_sender);
- while(*ptr++);
+ ptr = big_buffer + sprintf(CS big_buffer, "%.64s", client_authenticated_sender) + 1;
rmt_dlv_checked_write(fd, 'C', '3', big_buffer, 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. */
- for (r = addr->retries; r != NULL; r = r->next)
+ for (r = addr->retries; r; r = r->next)
{
- uschar *ptr;
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);
memcpy(ptr, &(r->more_errno), sizeof(r->more_errno));
ptr += sizeof(r->more_errno);
- if (r->message == NULL) *ptr++ = 0; else
+ if (!r->message) *ptr++ = 0; else
{
sprintf(CS ptr, "%.512s", r->message);
while(*ptr++);
rmt_dlv_checked_write(fd, 'R', '0', big_buffer, ptr - big_buffer);
}
- /* The rest of the information goes in an 'A' item. */
+#ifdef SUPPORT_SOCKS
+ if (LOGGING(proxy) && proxy_session)
+ {
+ ptr = big_buffer;
+ if (proxy_local_address)
+ {
+ DEBUG(D_deliver) debug_printf("proxy_local_address '%s'\n", proxy_local_address);
+ ptr = big_buffer + sprintf(CS ptr, "%.128s", proxy_local_address) + 1;
+ DEBUG(D_deliver) debug_printf("proxy_local_port %d\n", proxy_local_port);
+ memcpy(ptr, &proxy_local_port, sizeof(proxy_local_port));
+ ptr += sizeof(proxy_local_port);
+ }
+ else
+ *ptr++ = '\0';
+ rmt_dlv_checked_write(fd, 'A', '2', big_buffer, ptr - big_buffer);
+ }
+#endif
+
+#ifdef EXPERIMENTAL_DSN_INFO
+/*um, are they really per-addr? Other per-conn stuff is not (auth, tls). But host_used is! */
+ if (addr->smtp_greeting)
+ {
+ DEBUG(D_deliver) debug_printf("smtp_greeting '%s'\n", addr->smtp_greeting);
+ ptr = big_buffer + sprintf(CS big_buffer, "%.128s", addr->smtp_greeting) + 1;
+ if (addr->helo_response)
+ {
+ DEBUG(D_deliver) debug_printf("helo_response '%s'\n", addr->helo_response);
+ ptr += sprintf(CS ptr, "%.128s", addr->helo_response) + 1;
+ }
+ else
+ *ptr++ = '\0';
+ rmt_dlv_checked_write(fd, 'A', '1', big_buffer, ptr - big_buffer);
+ }
+#endif
+
+ /* The rest of the information goes in an 'A0' item. */
+ sprintf(CS big_buffer, "%c%c", addr->transport_return, addr->special_action);
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);
memcpy(ptr, &(addr->more_errno), sizeof(addr->more_errno));
memcpy(ptr, &(addr->flags), sizeof(addr->flags));
ptr += sizeof(addr->flags);
- if (addr->message == NULL) *ptr++ = 0; else
- {
- sprintf(CS ptr, "%.1024s", addr->message);
- while(*ptr++);
- }
+ if (!addr->message) *ptr++ = 0; else
+ ptr += sprintf(CS ptr, "%.1024s", addr->message) + 1;
- if (addr->user_message == NULL) *ptr++ = 0; else
- {
- sprintf(CS ptr, "%.1024s", addr->user_message);
- while(*ptr++);
- }
+ if (!addr->user_message) *ptr++ = 0; else
+ ptr += sprintf(CS ptr, "%.1024s", addr->user_message) + 1;
- if (addr->host_used == NULL) *ptr++ = 0; else
+ if (!addr->host_used) *ptr++ = 0; else
{
- sprintf(CS ptr, "%.256s", addr->host_used->name);
- while(*ptr++);
- sprintf(CS ptr, "%.64s", addr->host_used->address);
- while(*ptr++);
+ ptr += sprintf(CS ptr, "%.256s", addr->host_used->name) + 1;
+ ptr += sprintf(CS ptr, "%.64s", addr->host_used->address) + 1;
memcpy(ptr, &(addr->host_used->port), sizeof(addr->host_used->port));
ptr += sizeof(addr->host_used->port);
}
/* Local interface address/port */
- if (log_extra_selector & LX_incoming_interface && sending_ip_address)
+#ifdef EXPERIMENTAL_DSN_INFO
+ if (sending_ip_address)
+#else
+ if (LOGGING(incoming_interface) && sending_ip_address)
+#endif
{
- uschar * ptr = big_buffer;
- sprintf(CS ptr, "%.128s", sending_ip_address);
- while(*ptr++);
- sprintf(CS ptr, "%d", sending_port);
- while(*ptr++);
-
+ uschar * ptr;
+ ptr = big_buffer + sprintf(CS big_buffer, "%.128s", sending_ip_address) + 1;
+ ptr += sprintf(CS ptr, "%d", sending_port) + 1;
rmt_dlv_checked_write(fd, 'I', '0', big_buffer, ptr - big_buffer);
}
A change from non-NULL to NULL indicates a problem with a continuing
connection. */
- big_buffer[0] = (continue_transport == NULL)? '0' : '1';
+ big_buffer[0] = continue_transport ? '1' : '0';
rmt_dlv_checked_write(fd, 'Z', '0', big_buffer, 1);
(void)close(fd);
exit(EXIT_SUCCESS);
(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)
{
(void)close(pfd[pipe_read]);
- remote_post_process(addr, LOG_MAIN|LOG_PANIC,
- string_sprintf("fork failed for remote delivery to %s: %s",
- addr->domain, strerror(errno)), fallback);
- continue;
+ panicmsg = string_sprintf("fork failed for remote delivery to %s: %s",
+ addr->domain, strerror(errno));
+ goto enq_continue;
}
/* Fork succeeded; increment the count, and remember relevant data for
(continue_transport gets set to NULL) before we consider any other addresses
in this message. */
- if (continue_transport != NULL) par_reduce(0, fallback);
+ if (continue_transport) par_reduce(0, fallback);
/* Otherwise, if we are running in the test harness, wait a bit, to let the
newly created process get going before we create another process. This should
ensure repeatability in the tests. We only need to wait a tad. */
else if (running_in_test_harness) millisleep(500);
+
+ continue;
+
+enq_continue:
+ if (serialize_key) enq_end(serialize_key);
+panic_continue:
+ remote_post_process(addr, LOG_MAIN|LOG_PANIC, panicmsg, fallback);
+ continue;
}
/* Reached the end of the list of addresses. Wait for all the subprocesses that
*/
int
-deliver_split_address(address_item *addr)
+deliver_split_address(address_item * addr)
{
-uschar *address = addr->address;
-uschar *domain = Ustrrchr(address, '@');
-uschar *t;
-int len = domain - address;
+uschar * address = addr->address;
+uschar * domain;
+uschar * t;
+int len;
+
+if (!(domain = Ustrrchr(address, '@')))
+ return DEFER; /* should always have a domain, but just in case... */
+len = domain - address;
addr->domain = string_copylc(domain+1); /* Domains are always caseless */
/* The implication in the RFCs (though I can't say I've seen it spelled out
t = addr->cc_local_part = store_get(len+1);
while(len-- > 0)
{
- register int c = *address++;
+ int c = *address++;
if (c == '\"') continue;
if (c == '\\')
{
/* We do the percent hack only for those domains that are listed in
percent_hack_domains. A loop is required, to copy with multiple %-hacks. */
-if (percent_hack_domains != NULL)
+if (percent_hack_domains)
{
int rc;
uschar *new_address = NULL;
deliver_domain = addr->domain; /* set $domain */
- while ((rc = match_isinlist(deliver_domain, (const uschar **)&percent_hack_domains, 0,
- &domainlist_anchor, addr->domain_cache, MCL_DOMAIN, TRUE, NULL))
- == OK &&
- (t = Ustrrchr(local_part, '%')) != NULL)
+ while ( (rc = match_isinlist(deliver_domain, (const uschar **)&percent_hack_domains, 0,
+ &domainlist_anchor, addr->domain_cache, MCL_DOMAIN, TRUE, NULL))
+ == OK
+ && (t = Ustrrchr(local_part, '%')) != NULL
+ )
{
new_address = string_copy(local_part);
new_address[t - local_part] = '@';
/* If hackery happened, set up new parent and alter the current address. */
- if (new_address != NULL)
+ if (new_address)
{
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;
uschar *para, *yield;
uschar buffer[256];
-if (f == NULL) return NULL;
+if (!f) return NULL;
-if (Ufgets(buffer, sizeof(buffer), f) == NULL ||
- Ustrcmp(buffer, "****\n") == 0) return NULL;
+if (!Ufgets(buffer, sizeof(buffer), f) || Ustrcmp(buffer, "****\n") == 0)
+ return NULL;
para = store_get(size);
for (;;)
{
- para = string_cat(para, &size, &ptr, buffer, Ustrlen(buffer));
- if (Ufgets(buffer, sizeof(buffer), f) == NULL ||
- Ustrcmp(buffer, "****\n") == 0) break;
+ para = string_cat(para, &size, &ptr, buffer);
+ if (!Ufgets(buffer, sizeof(buffer), f) || Ustrcmp(buffer, "****\n") == 0)
+ break;
}
para[ptr] = 0;
-yield = expand_string(para);
-if (yield != NULL) return yield;
+if ((yield = expand_string(para)))
+ return yield;
log_write(0, LOG_MAIN|LOG_PANIC, "Failed to expand string from "
"bounce_message_file or warn_message_file (%s): %s", which,
static int
continue_closedown(void)
{
-if (continue_transport != NULL)
+if (continue_transport)
{
transport_instance *t;
- for (t = transports; t != NULL; t = t->next)
- {
+ for (t = transports; t; t = t->next)
if (Ustrcmp(t->name, continue_transport) == 0)
{
- if (t->info->closedown != NULL) (t->info->closedown)(t);
+ if (t->info->closedown) (t->info->closedown)(t);
break;
}
- }
}
return DELIVER_NOT_ATTEMPTED;
}
BOOL yield = TRUE;
uschar *printed = US"";
address_item *ancestor = addr;
-while (ancestor->parent != NULL) ancestor = ancestor->parent;
+while (ancestor->parent) ancestor = ancestor->parent;
fprintf(f, "%s", CS si);
-if (addr->parent != NULL && testflag(addr, af_hide_child))
+if (addr->parent && testflag(addr, af_hide_child))
{
printed = US"an undisclosed address";
yield = FALSE;
}
-else if (!testflag(addr, af_pfr) || addr->parent == NULL)
+else if (!testflag(addr, af_pfr) || !addr->parent)
printed = addr->address;
else
if (ancestor != addr)
{
- uschar *original = (ancestor->onetime_parent == NULL)?
- ancestor->address : ancestor->onetime_parent;
+ uschar *original = ancestor->onetime_parent;
+ if (!original) original= ancestor->address;
if (strcmpic(original, printed) != 0)
fprintf(f, "%s(%sgenerated from %s)", sc,
- (ancestor != addr->parent)? "ultimately " : "",
+ ancestor != addr->parent ? "ultimately " : "",
string_printing(original));
}
do_duplicate_check(address_item **anchor)
{
address_item *addr;
-while ((addr = *anchor) != NULL)
+while ((addr = *anchor))
{
tree_node *tnode;
if (testflag(addr, af_pfr))
{
anchor = &(addr->next);
}
- else if ((tnode = tree_search(tree_duplicates, addr->unique)) != NULL)
+ else if ((tnode = tree_search(tree_duplicates, addr->unique)))
{
DEBUG(D_deliver|D_route)
debug_printf("%s is a duplicate address: discarded\n", addr->unique);
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;
extern int acl_where;
-uschar *info = (queue_run_pid == (pid_t)0)?
- string_sprintf("delivering %s", id) :
- string_sprintf("delivering %s (queue run pid %d)", id, queue_run_pid);
+uschar *info = queue_run_pid == (pid_t)0
+ ? string_sprintf("delivering %s", id)
+ : string_sprintf("delivering %s (queue run pid %d)", id, queue_run_pid);
/* If the D_process_info bit is on, set_process_info() will output debugging
information. If not, we want to show this initial information if D_deliver or
set_process_info("%s", info);
-if ((debug_selector & D_process_info) == 0 &&
- (debug_selector & (D_deliver|D_queue_run|D_v)) != 0)
+if ( !(debug_selector & D_process_info)
+ && (debug_selector & (D_deliver|D_queue_run|D_v))
+ )
debug_printf("%s\n", info);
/* Ensure that we catch any subprocesses that are created. Although Exim
while queue running - another process probably completed delivery. As part of
opening the data file, message_subdir gets set. */
-if (!spool_open_datafile(id))
+if ((deliver_datafile = spool_open_datafile(id)) < 0)
return continue_closedown(); /* yields DELIVER_NOT_ATTEMPTED */
/* The value of message_size at this point has been set to the data length,
assorted flags. It updates message_size. If there is a reading or format error,
give up; if the message has been around for sufficiently long, remove it. */
-sprintf(CS spoolname, "%s-H", id);
-if ((rc = spool_read_header(spoolname, TRUE, TRUE)) != spool_read_OK)
{
- if (errno == ERRNO_SPOOLFORMAT)
+ uschar * spoolname = string_sprintf("%s-H", id);
+ if ((rc = spool_read_header(spoolname, TRUE, TRUE)) != spool_read_OK)
{
- struct stat statbuf;
- sprintf(CS big_buffer, "%s/input/%s/%s", spool_directory, message_subdir,
- spoolname);
- if (Ustat(big_buffer, &statbuf) == 0)
- log_write(0, LOG_MAIN, "Format error in spool file %s: "
- "size=" OFF_T_FMT, spoolname, statbuf.st_size);
- else log_write(0, LOG_MAIN, "Format error in spool file %s", spoolname);
- }
- else
- log_write(0, LOG_MAIN, "Error reading spool file %s: %s", spoolname,
- strerror(errno));
+ if (errno == ERRNO_SPOOLFORMAT)
+ {
+ struct stat statbuf;
+ if (Ustat(spool_fname(US"input", message_subdir, spoolname, US""),
+ &statbuf) == 0)
+ log_write(0, LOG_MAIN, "Format error in spool file %s: "
+ "size=" OFF_T_FMT, spoolname, statbuf.st_size);
+ else
+ log_write(0, LOG_MAIN, "Format error in spool file %s", spoolname);
+ }
+ else
+ log_write(0, LOG_MAIN, "Error reading spool file %s: %s", spoolname,
+ strerror(errno));
- /* If we managed to read the envelope data, received_time contains the
- time the message was received. Otherwise, we can calculate it from the
- message id. */
+ /* If we managed to read the envelope data, received_time contains the
+ time the message was received. Otherwise, we can calculate it from the
+ message id. */
- if (rc != spool_read_hdrerror)
- {
- received_time = 0;
- for (i = 0; i < 6; i++)
- received_time = received_time * BASE_62 + tab62[id[i] - '0'];
- }
+ if (rc != spool_read_hdrerror)
+ {
+ received_time = 0;
+ for (i = 0; i < 6; i++)
+ received_time = received_time * BASE_62 + tab62[id[i] - '0'];
+ }
- /* If we've had this malformed message too long, sling it. */
+ /* If we've had this malformed message too long, sling it. */
- if (now - received_time > keep_malformed)
- {
- sprintf(CS spoolname, "%s/msglog/%s/%s", spool_directory, message_subdir, id);
- Uunlink(spoolname);
- sprintf(CS spoolname, "%s/input/%s/%s-D", spool_directory, message_subdir, id);
- Uunlink(spoolname);
- sprintf(CS spoolname, "%s/input/%s/%s-H", spool_directory, message_subdir, id);
- Uunlink(spoolname);
- sprintf(CS spoolname, "%s/input/%s/%s-J", spool_directory, message_subdir, id);
- Uunlink(spoolname);
- log_write(0, LOG_MAIN, "Message removed because older than %s",
- readconf_printtime(keep_malformed));
- }
+ if (now - received_time > keep_malformed)
+ {
+ Uunlink(spool_fname(US"msglog", message_subdir, id, US""));
+ Uunlink(spool_fname(US"input", message_subdir, id, US"-D"));
+ Uunlink(spool_fname(US"input", message_subdir, id, US"-H"));
+ Uunlink(spool_fname(US"input", message_subdir, id, US"-J"));
+ log_write(0, LOG_MAIN, "Message removed because older than %s",
+ readconf_printtime(keep_malformed));
+ }
- (void)close(deliver_datafile);
- deliver_datafile = -1;
- return continue_closedown(); /* yields DELIVER_NOT_ATTEMPTED */
+ (void)close(deliver_datafile);
+ deliver_datafile = -1;
+ return continue_closedown(); /* yields DELIVER_NOT_ATTEMPTED */
+ }
}
/* The spool header file has been read. Look to see if there is an existing
run, and it will be deleted if this function gets to its end successfully.
Otherwise it might be needed again. */
-sprintf(CS spoolname, "%s/input/%s/%s-J", spool_directory, message_subdir, id);
-jread = Ufopen(spoolname, "rb");
-if (jread != NULL)
{
- while (Ufgets(big_buffer, big_buffer_size, jread) != NULL)
+ uschar * fname = spool_fname(US"input", message_subdir, id, US"-J");
+ FILE * jread;
+
+ 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"))
+ )
{
- int n = Ustrlen(big_buffer);
- big_buffer[n-1] = 0;
- tree_add_nonrecipient(big_buffer);
- DEBUG(D_deliver) debug_printf("Previously delivered address %s taken from "
- "journal file\n", big_buffer);
+ while (Ufgets(big_buffer, big_buffer_size, jread))
+ {
+ int n = Ustrlen(big_buffer);
+ big_buffer[n-1] = 0;
+ tree_add_nonrecipient(big_buffer);
+ DEBUG(D_deliver) debug_printf("Previously delivered address %s taken from "
+ "journal file\n", big_buffer);
+ }
+ 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);
+ }
+ else if (errno != ENOENT)
+ {
+ log_write(0, LOG_MAIN|LOG_PANIC, "attempt to open journal for reading gave: "
+ "%s", strerror(errno));
+ return continue_closedown(); /* yields DELIVER_NOT_ATTEMPTED */
}
- (void)fclose(jread);
- /* Panic-dies on error */
- (void)spool_write_header(message_id, SW_DELIVERING, NULL);
- }
-else if (errno != ENOENT)
- {
- log_write(0, LOG_MAIN|LOG_PANIC, "attempt to open journal for reading gave: "
- "%s", strerror(errno));
- return continue_closedown(); /* yields DELIVER_NOT_ATTEMPTED */
- }
-/* A null recipients list indicates some kind of disaster. */
+ /* A null recipients list indicates some kind of disaster. */
-if (recipients_list == NULL)
- {
- (void)close(deliver_datafile);
- deliver_datafile = -1;
- log_write(0, LOG_MAIN, "Spool error: no recipients for %s", spoolname);
- return continue_closedown(); /* yields DELIVER_NOT_ATTEMPTED */
+ if (!recipients_list)
+ {
+ (void)close(deliver_datafile);
+ deliver_datafile = -1;
+ log_write(0, LOG_MAIN, "Spool error: no recipients for %s", fname);
+ return continue_closedown(); /* yields DELIVER_NOT_ATTEMPTED */
+ }
}
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"))
+ if ( move_frozen_messages
+ && spool_move_message(id, message_subdir, US"", US"F")
+ )
return continue_closedown(); /* yields DELIVER_NOT_ATTEMPTED */
#endif
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
else
{
- if ((sender_address[0] == 0 ||
- auto_thaw <= 0 ||
- now <= deliver_frozen_at + auto_thaw
- )
- &&
- (!forced || !deliver_force_thaw || !admin_user ||
- continue_hostname != NULL
- ))
+ if ( ( sender_address[0] == 0
+ || auto_thaw <= 0
+ || now <= deliver_frozen_at + auto_thaw
+ )
+ && ( !forced || !deliver_force_thaw
+ || !admin_user || continue_hostname
+ ) )
{
(void)close(deliver_datafile);
deliver_datafile = -1;
if (message_logs)
{
- uschar *error;
+ uschar * fname = spool_fname(US"msglog", message_subdir, id, US"");
+ uschar * error;
int fd;
- sprintf(CS spoolname, "%s/msglog/%s/%s", spool_directory, message_subdir, id);
- fd = open_msglog_file(spoolname, SPOOL_MODE, &error);
-
- if (fd < 0)
+ if ((fd = open_msglog_file(fname, SPOOL_MODE, &error)) < 0)
{
log_write(0, LOG_MAIN|LOG_PANIC, "Couldn't %s message log %s: %s", error,
- spoolname, strerror(errno));
+ fname, strerror(errno));
return continue_closedown(); /* yields DELIVER_NOT_ATTEMPTED */
}
/* Make a C stream out of it. */
- message_log = fdopen(fd, "a");
- if (message_log == NULL)
+ if (!(message_log = fdopen(fd, "a")))
{
log_write(0, LOG_MAIN|LOG_PANIC, "Couldn't fdopen message log %s: %s",
- spoolname, strerror(errno));
+ fname, strerror(errno));
return continue_closedown(); /* yields DELIVER_NOT_ATTEMPTED */
}
}
if (give_up)
{
struct passwd *pw = getpwuid(real_uid);
- log_write(0, LOG_MAIN, "cancelled by %s", (pw != NULL)?
- US pw->pw_name : string_sprintf("uid %ld", (long int)real_uid));
+ log_write(0, LOG_MAIN, "cancelled by %s",
+ pw ? US pw->pw_name : string_sprintf("uid %ld", (long int)real_uid));
process_recipients = RECIP_FAIL;
}
ignore the true recipients of the message. Failure of the filter file is
logged, and the delivery attempt fails. */
-else if (system_filter != NULL && process_recipients != RECIP_FAIL_TIMEOUT)
+else if (system_filter && process_recipients != RECIP_FAIL_TIMEOUT)
{
int rc;
int filtertype;
system_filtering = FALSE;
enable_dollar_recipients = FALSE;
- if (filter_message != NULL && filter_message[0] == 0) filter_message = NULL;
+ if (filter_message && filter_message[0] == 0) filter_message = NULL;
/* Save the values of the system filter variables so that user filters
can use them. */
deliver_frozen_at = time(NULL);
process_recipients = RECIP_DEFER;
frozen_info = string_sprintf(" by the system filter%s%s",
- (filter_message == NULL)? US"" : US": ",
- (filter_message == NULL)? US"" : filter_message);
+ filter_message ? US": " : US"",
+ filter_message ? filter_message : US"");
}
/* The filter can request that a message be failed. The error message may be
process_recipients = RECIP_FAIL_FILTER;
- if (filter_message != NULL)
+ if (filter_message)
{
uschar *logend;
colon = US": ";
- if (filter_message[0] == '<' && filter_message[1] == '<' &&
- (logend = Ustrstr(filter_message, ">>")) != NULL)
+ if ( filter_message[0] == '<'
+ && filter_message[1] == '<'
+ && (logend = Ustrstr(filter_message, ">>"))
+ )
{
logmsg = filter_message + 2;
loglen = logend - logmsg;
else if (rc == FF_DELIVERED)
{
process_recipients = RECIP_IGNORE;
- if (addr_new == NULL)
- log_write(0, LOG_MAIN, "=> discarded (system filter)");
- else
+ if (addr_new)
log_write(0, LOG_MAIN, "original recipients ignored (system filter)");
+ else
+ log_write(0, LOG_MAIN, "=> discarded (system filter)");
}
/* If any new addresses were created by the filter, fake up a "parent"
pipes, files, and autoreplies, and run them as the filter uid if set,
otherwise as the current uid. */
- if (addr_new != NULL)
+ if (addr_new)
{
int uid = (system_filter_uid_set)? system_filter_uid : geteuid();
int gid = (system_filter_gid_set)? system_filter_gid : getegid();
at the final address. This is used if we go on to add addresses for the
original recipients. */
- while (p != NULL)
+ 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;
/* Now find the actual transport, first expanding the name. We have
set address_file or address_pipe above. */
- if (tpname != NULL)
+ if (tpname)
{
uschar *tmp = expand_string(tpname);
address_file = address_pipe = NULL;
- if (tmp == NULL)
+ if (!tmp)
p->message = string_sprintf("failed to expand \"%s\" as a "
"system filter transport name", tpname);
tpname = tmp;
}
else
- {
p->message = string_sprintf("system_filter_%s_transport is unset",
type);
- }
- if (tpname != NULL)
+ if (tpname)
{
transport_instance *tp;
- for (tp = transports; tp != NULL; tp = tp->next)
- {
+ for (tp = transports; tp; tp = tp->next)
if (Ustrcmp(tp->name, tpname) == 0)
{
p->transport = tp;
break;
}
- }
- if (tp == NULL)
+ if (!tp)
p->message = string_sprintf("failed to find \"%s\" transport "
"for system filter delivery", tpname);
}
/* If we couldn't set up a transport, defer the delivery, putting the
error on the panic log as well as the main log. */
- if (p->transport == NULL)
+ if (!p->transport)
{
address_item *badp = p;
p = p->next;
- if (addr_last == NULL) addr_new = p; else addr_last->next = p;
+ if (!addr_last) addr_new = p; else addr_last->next = p;
badp->local_part = badp->address; /* Needed for log line */
post_process_one(badp, DEFER, LOG_MAIN|LOG_PANIC, DTYPE_ROUTER, 0);
continue;
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) == NULL)
+ if (!tree_search(tree_nonrecipients, recipients_list[i].address))
{
recipient_item *r = recipients_list + i;
address_item *new = deliver_make_addr(r->address, FALSE);
new->prop.errors_address = r->errors_to;
-#ifdef EXPERIMENTAL_INTERNATIONAL
+#ifdef SUPPORT_I18N
if ((new->prop.utf8_msg = message_smtputf8))
{
new->prop.utf8_downcvt = message_utf8_downconvert == 1;
if (r->pno >= 0)
new->onetime_parent = recipients_list[r->pno].address;
- /* If DSN support is enabled, set the dsn flags and the original receipt
+ /* 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;
case RECIP_FAIL_FILTER:
new->message =
- (filter_message == NULL)? US"delivery cancelled" : filter_message;
+ filter_message ? filter_message : US"delivery cancelled";
setflag(new, af_pass_message);
goto RECIP_QUEUE_FAILED; /* below */
/* Value should be RECIP_ACCEPT; take this as the safe default. */
default:
- if (addr_new == NULL) addr_new = new; else addr_last->next = new;
+ if (!addr_new) addr_new = new; else addr_last->next = new;
addr_last = new;
break;
}
-#ifdef EXPERIMENTAL_EVENT
+#ifndef DISABLE_EVENT
if (process_recipients != RECIP_ACCEPT)
{
uschar * save_local = deliver_localpart;
}
#endif
}
- }
- }
DEBUG(D_deliver)
{
- address_item *p = addr_new;
+ address_item *p;
debug_printf("Delivery address list:\n");
- while (p != NULL)
- {
- debug_printf(" %s %s\n", p->address, (p->onetime_parent == NULL)? US"" :
- p->onetime_parent);
- p = p->next;
- }
+ for (p = addr_new; p; p = p->next)
+ debug_printf(" %s %s\n", p->address,
+ p->onetime_parent ? p->onetime_parent : US"");
}
/* Set up the buffers used for copying over the file when delivering. */
*/
header_rewritten = FALSE; /* No headers rewritten yet */
-while (addr_new != NULL) /* Loop until all addresses dealt with */
+while (addr_new) /* Loop until all addresses dealt with */
{
address_item *addr, *parent;
- dbm_file = dbfn_open(US"retry", O_RDONLY, &dbblock, FALSE);
/* Failure to open the retry database is treated the same as if it does
not exist. In both cases, dbm_file is NULL. */
- if (dbm_file == 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. */
- while (addr_new != NULL)
+ while (addr_new)
{
int rc;
uschar *p;
if (addr->address[0] == '>')
{
- while (tree_search(tree_duplicates, addr->unique) != NULL)
+ while (tree_search(tree_duplicates, addr->unique))
addr->unique = string_sprintf(">%s", addr->unique);
}
- else if ((tnode = tree_search(tree_duplicates, addr->unique)) != NULL)
+ else if ((tnode = tree_search(tree_duplicates, addr->unique)))
{
DEBUG(D_deliver|D_route)
debug_printf("%s is a duplicate address: discarded\n", addr->address);
/* Check for previous delivery */
- if (tree_search(tree_nonrecipients, addr->unique) != NULL)
+ if (tree_search(tree_nonrecipients, addr->unique))
{
DEBUG(D_deliver|D_route)
debug_printf("%s was previously delivered: discarded\n", addr->address);
delivery was forced by hand. */
deliver_domain = addr->domain; /* set $domain */
- if (!forced && hold_domains != NULL &&
- (rc = match_isinlist(addr->domain, (const uschar **)&hold_domains, 0,
+ if ( !forced && hold_domains
+ && (rc = match_isinlist(addr->domain, (const uschar **)&hold_domains, 0,
&domainlist_anchor, addr->domain_cache, MCL_DOMAIN, TRUE,
- NULL)) != FAIL)
+ NULL)) != FAIL
+ )
{
if (rc == DEFER)
{
The "unique" field is initialized to the same value as the "address" field,
but gets changed here to cope with identically-named descendents. */
- for (parent = addr->parent; parent != NULL; parent = parent->parent)
+ for (parent = addr->parent; parent; parent = parent->parent)
if (strcmpic(addr->address, parent->address) == 0) break;
/* If there's an ancestor with the same name, set the homonym flag. This
work. This means that siblings or cousins with the same names are treated
as duplicates, which is what we want. */
- if (parent != NULL)
+ if (parent)
{
setflag(addr, af_homonym);
if (parent->unique[0] != '\\')
DEBUG(D_deliver|D_route) debug_printf("unique = %s\n", addr->unique);
- if (tree_search(tree_nonrecipients, addr->unique) != NULL)
+ if (tree_search(tree_nonrecipients, addr->unique))
{
DEBUG(D_deliver|D_route)
debug_printf("%s was previously delivered: discarded\n", addr->unique);
addr->address_retry_key = string_sprintf("R:%s@%s", addr->local_part,
addr->domain);
- if (dbm_file == NULL)
- domain_retry_record = address_retry_record = NULL;
- else
+ if (dbm_file)
{
domain_retry_record = dbfn_read(dbm_file, addr->domain_retry_key);
- if (domain_retry_record != NULL &&
- now - domain_retry_record->time_stamp > retry_data_expire)
+ if ( domain_retry_record
+ && now - domain_retry_record->time_stamp > retry_data_expire
+ )
domain_retry_record = NULL; /* Ignore if too old */
address_retry_record = dbfn_read(dbm_file, addr->address_retry_key);
- if (address_retry_record != NULL &&
- now - address_retry_record->time_stamp > retry_data_expire)
+ if ( address_retry_record
+ && now - address_retry_record->time_stamp > retry_data_expire
+ )
address_retry_record = NULL; /* Ignore if too old */
- if (address_retry_record == NULL)
+ if (!address_retry_record)
{
uschar *altkey = string_sprintf("%s:<%s>", addr->address_retry_key,
sender_address);
address_retry_record = dbfn_read(dbm_file, altkey);
- if (address_retry_record != NULL &&
- now - address_retry_record->time_stamp > retry_data_expire)
+ if ( address_retry_record
+ && now - address_retry_record->time_stamp > retry_data_expire)
address_retry_record = NULL; /* Ignore if too old */
}
}
+ else
+ domain_retry_record = address_retry_record = NULL;
DEBUG(D_deliver|D_retry)
{
- if (domain_retry_record == NULL)
+ if (!domain_retry_record)
debug_printf("no domain retry record\n");
- if (address_retry_record == NULL)
+ if (!address_retry_record)
debug_printf("no address retry record\n");
}
The reason for not doing the same for address retries is that they normally
arise from 4xx responses, not DNS timeouts. */
- if (continue_hostname != NULL && domain_retry_record != NULL)
+ if (continue_hostname && domain_retry_record)
{
addr->message = US"reusing SMTP connection skips previous routing defer";
addr->basic_errno = ERRNO_RRETRY;
which keep the retry record fresh, which can lead to us perpetually
deferring messages. */
- else if (((queue_running && !deliver_force) || continue_hostname != NULL)
- &&
- ((domain_retry_record != NULL &&
- now < domain_retry_record->next_try &&
- !domain_retry_record->expired)
- ||
- (address_retry_record != NULL &&
- now < address_retry_record->next_try))
- &&
- (domain_retry_record != NULL ||
- address_retry_record == NULL ||
- !retry_ultimate_address_timeout(addr->address_retry_key,
- addr->domain, address_retry_record, now)))
+ else if ( ( queue_running && !deliver_force
+ || continue_hostname
+ )
+ && ( ( domain_retry_record
+ && now < domain_retry_record->next_try
+ && !domain_retry_record->expired
+ )
+ || ( address_retry_record
+ && now < address_retry_record->next_try
+ ) )
+ && ( domain_retry_record
+ || !address_retry_record
+ || !retry_ultimate_address_timeout(addr->address_retry_key,
+ addr->domain, address_retry_record, now)
+ ) )
{
addr->message = US"retry time not reached";
addr->basic_errno = ERRNO_RRETRY;
else
{
- if (domain_retry_record != NULL || address_retry_record != NULL)
+ if (domain_retry_record || address_retry_record)
setflag(addr, af_dr_retry_exists);
addr->next = addr_route;
addr_route = addr;
/* The database is closed while routing is actually happening. Requests to
update it are put on a chain and all processed together at the end. */
- if (dbm_file != NULL) dbfn_close(dbm_file);
+ if (dbm_file) dbfn_close(dbm_file);
/* If queue_domains is set, we don't even want to try routing addresses in
those domains. During queue runs, queue_domains is forced to be unset.
Optimize by skipping this pass through the addresses if nothing is set. */
- if (!deliver_force && queue_domains != NULL)
+ if (!deliver_force && queue_domains)
{
address_item *okaddr = NULL;
- while (addr_route != NULL)
+ while (addr_route)
{
address_item *addr = addr_route;
addr_route = addr->next;
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;
/* Now route those addresses that are not deferred. */
- while (addr_route != NULL)
+ while (addr_route)
{
int rc;
address_item *addr = addr_route;
/* Just in case some router parameter refers to it. */
- return_path = (addr->prop.errors_address != NULL)?
- addr->prop.errors_address : sender_address;
+ if (!(return_path = addr->prop.errors_address))
+ return_path = sender_address;
/* If a router defers an address, add a retry item. Whether or not to
use the local part in the key is a property of the router. */
if ((rc = route_address(addr, &addr_local, &addr_remote, &addr_new,
&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", addr->domain), 0);
+ retry_add_item(addr,
+ addr->router->retry_use_local_part
+ ? string_sprintf("R:%s@%s", addr->local_part, addr->domain)
+ : string_sprintf("R:%s", addr->domain),
+ 0);
/* Otherwise, if there is an existing retry record in the database, add
retry items to delete both forms. We must also allow for the possibility
has already been delivered, because it's the unique address that finally
gets recorded. */
- if (addr->unique != old_unique &&
- tree_search(tree_nonrecipients, addr->unique) != 0)
+ if ( addr->unique != old_unique
+ && tree_search(tree_nonrecipients, addr->unique) != 0
+ )
{
DEBUG(D_deliver|D_route) debug_printf("%s was previously delivered: "
"discarded\n", addr->address);
to a remote transport, there are no header changes, and the domain was not
modified by the router. */
- if (addr_remote == addr &&
- addr->router->same_domain_copy_routing &&
- addr->prop.extra_headers == NULL &&
- addr->prop.remove_headers == NULL &&
- old_domain == addr->domain)
+ if ( addr_remote == addr
+ && addr->router->same_domain_copy_routing
+ && !addr->prop.extra_headers
+ && !addr->prop.remove_headers
+ && old_domain == addr->domain
+ )
{
address_item **chain = &addr_route;
- while (*chain != NULL)
+ while (*chain)
{
address_item *addr2 = *chain;
if (Ustrcmp(addr2->domain, addr->domain) != 0)
DEBUG(D_deliver|D_retry|D_route)
{
- address_item *p = addr_local;
+ address_item *p;
debug_printf(">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>\n");
debug_printf("After routing:\n Local deliveries:\n");
- while (p != NULL)
- {
+ for (p = addr_local; p; p = p->next)
debug_printf(" %s\n", p->address);
- p = p->next;
- }
- p = addr_remote;
debug_printf(" Remote deliveries:\n");
- while (p != NULL)
- {
+ for (p = addr_remote; p; p = p->next)
debug_printf(" %s\n", p->address);
- p = p->next;
- }
- p = addr_failed;
debug_printf(" Failed addresses:\n");
- while (p != NULL)
- {
+ for (p = addr_failed; p; p = p->next)
debug_printf(" %s\n", p->address);
- p = p->next;
- }
- p = addr_defer;
debug_printf(" Deferred addresses:\n");
- while (p != NULL)
- {
+ for (p = addr_defer; p; p = p->next)
debug_printf(" %s\n", p->address);
- p = p->next;
- }
}
/* Free any resources that were cached during routing. */
remote transport. The check that they all end up in one transaction happens in
the do_remote_deliveries() function. */
-if (mua_wrapper && (addr_local != NULL || addr_failed != NULL ||
- addr_defer != NULL))
+if ( mua_wrapper
+ && (addr_local || addr_failed || addr_defer)
+ )
{
address_item *addr;
uschar *which, *colon, *msg;
- if (addr_local != NULL)
+ if (addr_local)
{
addr = addr_local;
which = US"local";
}
- else if (addr_defer != NULL)
+ else if (addr_defer)
{
addr = addr_defer;
which = US"deferred";
which = US"failed";
}
- while (addr->parent != NULL) addr = addr->parent;
+ while (addr->parent) addr = addr->parent;
- if (addr->message != NULL)
+ if (addr->message)
{
colon = US": ";
msg = addr->message;
/* If this is a run to continue deliveries to an external channel that is
already set up, defer any local deliveries. */
-if (continue_transport != NULL)
+if (continue_transport)
{
- if (addr_defer == NULL) addr_defer = addr_local; else
+ if (addr_defer)
{
address_item *addr = addr_defer;
- while (addr->next != NULL) addr = addr->next;
+ while (addr->next) addr = addr->next;
addr->next = addr_local;
}
+ else
+ addr_defer = addr_local;
addr_local = NULL;
}
there is only address to be delivered - if it succeeds the spool write need not
happen. */
-if (header_rewritten &&
- ((addr_local != NULL &&
- (addr_local->next != NULL || addr_remote != NULL)) ||
- (addr_remote != NULL && addr_remote->next != NULL)))
+if ( header_rewritten
+ && ( addr_local && (addr_local->next || addr_remote)
+ || addr_remote && addr_remote->next
+ ) )
{
/* Panic-dies on error */
(void)spool_write_header(message_id, SW_DELIVERING, NULL);
}
-/* 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
journal is found to exist at the start of delivery, the addresses listed
therein are added to the non-recipients. */
-if (addr_local != NULL || addr_remote != NULL)
+if (addr_local || addr_remote)
{
- sprintf(CS spoolname, "%s/input/%s/%s-J", spool_directory, message_subdir, id);
- journal_fd = Uopen(spoolname, O_WRONLY|O_APPEND|O_CREAT, SPOOL_MODE);
-
if (journal_fd < 0)
{
- log_write(0, LOG_MAIN|LOG_PANIC, "Couldn't open journal file %s: %s",
- spoolname, 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(spoolname);
- log_write(0, LOG_MAIN|LOG_PANIC, "Couldn't set perms on journal file %s: %s",
- spoolname, strerror(errno));
- if(ret && errno != ENOENT)
- log_write(0, LOG_MAIN|LOG_PANIC_DIE, "failed to unlink %s: %s",
- spoolname, strerror(errno));
- return DELIVER_NOT_ATTEMPTED;
+ 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;
+ }
to an LHLO command, if is isn't already compiled. This may be used on both
local and remote LMTP deliveries. */
-if (regex_IGNOREQUOTA == NULL) regex_IGNOREQUOTA =
- regex_must_compile(US"\\n250[\\s\\-]IGNOREQUOTA(\\s|\\n|$)", FALSE, TRUE);
+if (!regex_IGNOREQUOTA)
+ regex_IGNOREQUOTA =
+ regex_must_compile(US"\\n250[\\s\\-]IGNOREQUOTA(\\s|\\n|$)", FALSE, TRUE);
/* Handle local deliveries */
-if (addr_local != NULL)
+if (addr_local)
{
DEBUG(D_deliver|D_transport)
debug_printf(">>>>>>>>>>>>>>>> Local deliveries >>>>>>>>>>>>>>>>\n");
so just queue them all. */
if (queue_run_local)
- {
- while (addr_remote != NULL)
+ while (addr_remote)
{
address_item *addr = addr_remote;
addr_remote = addr->next;
addr->message = US"remote deliveries suppressed";
(void)post_process_one(addr, DEFER, LOG_MAIN, DTYPE_TRANSPORT, 0);
}
- }
/* Handle remote deliveries */
-if (addr_remote != NULL)
+if (addr_remote)
{
DEBUG(D_deliver|D_transport)
debug_printf(">>>>>>>>>>>>>>>> Remote deliveries >>>>>>>>>>>>>>>>\n");
do_remote_deliveries is FALSE when mua_wrapper is set and all addresses
cannot be delivered in one transaction. */
- if (remote_sort_domains != NULL) sort_remote_deliveries();
+ if (remote_sort_domains) sort_remote_deliveries();
if (!do_remote_deliveries(FALSE))
{
log_write(0, LOG_MAIN, "** mua_wrapper is set but recipients cannot all "
host is used for many domains, so all can be sent in a single transaction
(if appropriately configured). */
- if (addr_fallback != NULL && !mua_wrapper)
+ if (addr_fallback && !mua_wrapper)
{
DEBUG(D_deliver) debug_printf("Delivering to fallback hosts\n");
addr_remote = addr_fallback;
addr_fallback = NULL;
- if (remote_sort_domains != NULL) sort_remote_deliveries();
+ if (remote_sort_domains) sort_remote_deliveries();
do_remote_deliveries(TRUE);
}
disable_logging = FALSE;
DEBUG(D_deliver)
debug_printf(">>>>>>>>>>>>>>>> deliveries are done >>>>>>>>>>>>>>>>\n");
+cancel_cutthrough_connection(TRUE, "deliveries are done");
/* Root privilege is no longer needed */
if (mua_wrapper)
{
- if (addr_defer != NULL)
+ if (addr_defer)
{
address_item *addr, *nextaddr;
- for (addr = addr_defer; addr != NULL; addr = nextaddr)
+ for (addr = addr_defer; addr; addr = nextaddr)
{
log_write(0, LOG_MAIN, "** %s mua_wrapper forced failure for deferred "
"delivery", addr->address);
/* Now all should either have succeeded or failed. */
- if (addr_failed == NULL) final_yield = DELIVER_MUA_SUCCEEDED; else
+ if (!addr_failed)
+ final_yield = DELIVER_MUA_SUCCEEDED;
+ else
{
- uschar *s = (addr_failed->user_message != NULL)?
- addr_failed->user_message : addr_failed->message;
host_item * host;
+ uschar *s = addr_failed->user_message;
+
+ if (!s) s = addr_failed->message;
fprintf(stderr, "Delivery failed: ");
if (addr_failed->basic_errno > 0)
{
fprintf(stderr, "%s", strerror(addr_failed->basic_errno));
- if (s != NULL) fprintf(stderr, ": ");
+ if (s) 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 fprintf(stderr, "%s", CS s);
+ if (s)
+ fprintf(stderr, "%s", CS s);
+ else if (addr_failed->basic_errno <= 0)
+ fprintf(stderr, "unknown error");
fprintf(stderr, "\n");
final_yield = DELIVER_MUA_FAILED;
updating of the database if the -N flag is set, which is a debugging thing that
prevents actual delivery. */
-else if (!dont_deliver) retry_update(&addr_defer, &addr_failed, &addr_succeed);
+else if (!dont_deliver)
+ retry_update(&addr_defer, &addr_failed, &addr_succeed);
-/* Send DSN for successful messages */
-addr_dsntmp = addr_succeed;
+/* Send DSN for successful messages if requested */
addr_senddsn = NULL;
-while(addr_dsntmp)
+for (addr_dsntmp = addr_succeed; addr_dsntmp; addr_dsntmp = addr_dsntmp->next)
{
/* af_ignore_error not honored here. it's not an error */
- DEBUG(D_deliver)
- {
- debug_printf("DSN: processing router : %s\n"
+ DEBUG(D_deliver) debug_printf("DSN: processing router : %s\n"
"DSN: processing successful delivery address: %s\n"
"DSN: Sender_address: %s\n"
"DSN: orcpt: %s flags: %d\n"
addr_dsntmp->address,
addr_dsntmp->dsn_aware
);
- }
/* send report if next hop not DSN aware or a router flagged "last DSN hop"
and a report was requested */
)
{
/* 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
- DEBUG(D_deliver) debug_printf("DSN: not sending DSN success message\n");
-
- addr_dsntmp = addr_dsntmp->next;
+ DEBUG(D_deliver) debug_printf("DSN: not sending DSN success message\n");
}
if (addr_senddsn)
pid_t pid;
int fd;
- /* create exim process to send message */
+ /* create exim process to send message */
pid = child_open_exim(&fd);
DEBUG(D_deliver) debug_printf("DSN: child_open_exim returns: %d\n", pid);
-
+
if (pid < 0) /* Creation of child failed */
{
log_write(0, LOG_MAIN|LOG_PANIC_DIE, "Process %d (parent %d) failed to "
getppid(), strerror(errno));
DEBUG(D_deliver) debug_printf("DSN: child_open_exim failed\n");
- }
+ }
else /* Creation of child succeeded */
{
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);
-
+
/* build unique id for MIME boundary */
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);
-
+
fprintf(f, "Auto-Submitted: auto-generated\n"
"From: Mail Delivery System <Mailer-Daemon@%s>\n"
"To: %s\n"
"--%s\n"
"Content-type: text/plain; charset=us-ascii\n\n"
-
+
"This message was created automatically by mail delivery software.\n"
" ----- The following addresses had successful delivery notifications -----\n",
qualify_domain_sender, sender_address, bound, bound);
if (auth_xtextdecode(dsn_envid, &xdec_envid) > 0)
fprintf(f, "Original-Envelope-ID: %s\n", dsn_envid);
else
- fprintf(f, "X-Original-Envelope-ID: error decoding xtext formated ENVID\n");
+ fprintf(f, "X-Original-Envelope-ID: error decoding xtext formatted ENVID\n");
}
fputc('\n', f);
}
fprintf(f, "--%s\nContent-type: text/rfc822-headers\n\n", bound);
-
+
fflush(f);
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);
+
+ 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);
several messages to get sent if there are addresses with different
requirements. */
-while (addr_failed != NULL)
+while (addr_failed)
{
pid_t pid;
int fd;
there may not be a transport (address failed by a router). */
disable_logging = FALSE;
- if (addr_failed->transport != NULL)
+ if (addr_failed->transport)
disable_logging = addr_failed->transport->disable_logging;
DEBUG(D_deliver)
If neither of these cases obtains, something has gone wrong. Log the
incident, but then ignore the error. */
- if (sender_address[0] == 0 && addr_failed->prop.errors_address == NULL)
+ if (sender_address[0] == 0 && !addr_failed->prop.errors_address)
{
if ( !testflag(addr_failed, af_retry_timedout)
&& !testflag(addr_failed, af_ignore_error))
if ( testflag(addr_failed, af_ignore_error)
|| ( addr_failed->dsn_flags & rf_dsnflags
- && (addr_failed->dsn_flags & rf_notify_failure) != rf_notify_failure)
- )
+ && (addr_failed->dsn_flags & rf_notify_failure) != rf_notify_failure
+ ) )
{
addr = addr_failed;
addr_failed = addr->next;
- if (addr->return_filename != NULL) Uunlink(addr->return_filename);
+ if (addr->return_filename) Uunlink(addr->return_filename);
log_write(0, LOG_MAIN, "%s%s%s%s: error ignored",
addr->address,
/* 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
{
- bounce_recipient = addr_failed->prop.errors_address
- ? addr_failed->prop.errors_address : sender_address;
+ if (!(bounce_recipient = addr_failed->prop.errors_address))
+ bounce_recipient = sender_address;
/* Make a subprocess to send a message */
them from the addr_failed chain, and putting them on msgchain. */
paddr = &addr_failed;
- for (addr = addr_failed; addr != NULL; addr = *paddr)
+ for (addr = addr_failed; addr; addr = *paddr)
if (Ustrcmp(bounce_recipient, addr->prop.errors_address
? addr->prop.errors_address : sender_address) == 0)
{ /* The same - dechain */
new header every 50 recipients. Omit any addresses for which the
"hide_child" flag is set. */
- for (addr = msgchain; addr != NULL; addr = addr->next)
+ for (addr = msgchain; addr; addr = addr->next)
{
if (testflag(addr, af_hide_child)) continue;
if (rcount >= 50)
rcount = 0;
}
fprintf(f, "%s%s",
- (rcount++ == 0)? "X-Failed-Recipients: " : ",\n ",
- (testflag(addr, af_pfr) && addr->parent != NULL)?
- string_printing(addr->parent->address) :
- string_printing(addr->address));
+ rcount++ == 0
+ ? "X-Failed-Recipients: "
+ : ",\n ",
+ testflag(addr, af_pfr) && addr->parent
+ ? string_printing(addr->parent->address)
+ : string_printing(addr->address));
}
if (rcount > 0) fprintf(f, "\n");
hidden. */
paddr = &msgchain;
- for (addr = msgchain; addr != NULL; addr = *paddr)
+ for (addr = msgchain; addr; addr = *paddr)
{
if (print_address_information(addr, f, US" ", US"\n ", US""))
print_address_error(addr, f, US"");
"The following text was generated during the delivery "
"attempt%s:\n", (filecount > 1)? "s" : "");
- for (addr = msgchain; addr != NULL; addr = nextaddr)
+ for (addr = msgchain; addr; addr = nextaddr)
{
FILE *fm;
address_item *topaddr = addr;
/* Now copy the file */
- fm = Ufopen(addr->return_filename, "rb");
-
- if (fm == NULL)
+ if (!(fm = Ufopen(addr->return_filename, "rb")))
fprintf(f, " +++ Exim error... failed to open text file: %s\n",
strerror(errno));
else
}
/* output machine readable part */
-#ifdef EXPERIMENTAL_INTERNATIONAL
+#ifdef SUPPORT_I18N
if (message_smtputf8)
fprintf(f, "--%s\n"
"Content-type: message/global-delivery-status\n\n"
if (auth_xtextdecode(dsn_envid, &xdec_envid) > 0)
fprintf(f, "Original-Envelope-ID: %s\n", dsn_envid);
else
- fprintf(f, "X-Original-Envelope-ID: error decoding xtext formated ENVID\n");
+ fprintf(f, "X-Original-Envelope-ID: error decoding xtext formatted ENVID\n");
}
fputc('\n', f);
-
+
for (addr = handled_addr; addr; addr = addr->next)
{
+ host_item * hu;
fprintf(f, "Action: failed\n"
"Final-Recipient: rfc822;%s\n"
"Status: 5.0.0\n",
addr->address);
- if (addr->host_used && addr->host_used->name)
- {
- fprintf(f, "Remote-MTA: dns; %s\n",
- addr->host_used->name);
- print_dsn_diagnostic_code(addr, f);
- }
+ if ((hu = addr->host_used) && hu->name)
+ {
+ const uschar * s;
+ fprintf(f, "Remote-MTA: dns; %s\n", hu->name);
+#ifdef EXPERIMENTAL_DSN_INFO
+ if (hu->address)
+ {
+ uschar * p = hu->port == 25
+ ? US"" : string_sprintf(":%d", hu->port);
+ fprintf(f, "Remote-MTA: X-ip; [%s]%s\n", hu->address, p);
+ }
+ if ((s = addr->smtp_greeting) && *s)
+ fprintf(f, "X-Remote-MTA-smtp-greeting: X-str; %s\n", s);
+ if ((s = addr->helo_response) && *s)
+ fprintf(f, "X-Remote-MTA-helo-response: X-str; %s\n", s);
+ if ((s = addr->message) && *s)
+ fprintf(f, "X-Exim-Diagnostic: X-str; %s\n", s);
+#endif
+ print_dsn_diagnostic_code(addr, f);
+ }
fputc('\n', f);
}
emf_text = next_emf(emf, US"copy");
/* add message body
- we ignore the intro text from template and add
+ we ignore the intro text from template and add
the text for bounce_return_size_limit at the end.
-
+
bounce_return_message is ignored
in case RET= is defined we honor these values
otherwise bounce_return_body is honored.
-
+
bounce_return_size_limit is always honored.
*/
-
+
fprintf(f, "--%s\n", bound);
dsnlimitmsg = US"X-Exim-DSN-Information: Due to administrative limits only headers are returned";
if (dsn_ret == dsn_ret_hdrs)
topt |= topt_no_body;
else
+ {
+ struct stat statbuf;
+
/* no full body return at all? */
if (!bounce_return_body)
{
if (dsn_ret == dsn_ret_full)
dsnnotifyhdr = dsnlimitmsg;
}
+ /* line length limited... return headers only if oversize */
/* size limited ... return headers only if limit reached */
- else if (bounce_return_size_limit > 0)
- {
- struct stat statbuf;
- if (fstat(deliver_datafile, &statbuf) == 0 && statbuf.st_size > max)
- {
- topt |= topt_no_body;
- dsnnotifyhdr = dsnlimitmsg;
- }
+ else if ( max_received_linelength > bounce_return_linesize_limit
+ || ( bounce_return_size_limit > 0
+ && fstat(deliver_datafile, &statbuf) == 0
+ && statbuf.st_size > max
+ ) )
+ {
+ topt |= topt_no_body;
+ dsnnotifyhdr = dsnlimitmsg;
}
-
-#ifdef EXPERIMENTAL_INTERNATIONAL
+ }
+
+#ifdef SUPPORT_I18N
if (message_smtputf8)
fputs(topt & topt_no_body ? "Content-type: message/global-headers\n\n"
: "Content-type: message/global\n\n",
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 */
if (emf)
(void)fclose(emf);
-
+
fprintf(f, "\n--%s--\n", bound);
/* Close the file, which should send an EOF to the child process
if (rc != 0)
{
uschar *s = US"";
- if (now - received_time < retry_maximum_timeout && addr_defer == NULL)
+ if (now - received_time < retry_maximum_timeout && !addr_defer)
{
addr_defer = (address_item *)(+1);
deliver_freeze = TRUE;
else
{
- for (addr = handled_addr; addr != NULL; addr = addr->next)
+ for (addr = handled_addr; addr; addr = addr->next)
{
address_done(addr, logtod);
child_done(addr, logtod);
message log if so configured, and we are using them. Otherwise, sling it.
Then delete the message itself. */
-if (addr_defer == NULL)
+if (!addr_defer)
{
+ uschar * fname;
+
if (message_logs)
{
- sprintf(CS spoolname, "%s/msglog/%s/%s", spool_directory, message_subdir,
- id);
+ fname = spool_fname(US"msglog", message_subdir, id, US"");
if (preserve_message_logs)
{
int rc;
- sprintf(CS big_buffer, "%s/msglog.OLD/%s", spool_directory, id);
- if ((rc = Urename(spoolname, big_buffer)) < 0)
+ uschar * moname = spool_fname(US"msglog.OLD", US"", id, US"");
+
+ if ((rc = Urename(fname, moname)) < 0)
{
- (void)directory_make(spool_directory, US"msglog.OLD",
- MSGLOG_DIRECTORY_MODE, TRUE);
- rc = Urename(spoolname, big_buffer);
+ (void)directory_make(spool_directory,
+ spool_sname(US"msglog.OLD", US""),
+ MSGLOG_DIRECTORY_MODE, TRUE);
+ rc = Urename(fname, moname);
}
if (rc < 0)
log_write(0, LOG_MAIN|LOG_PANIC_DIE, "failed to move %s to the "
- "msglog.OLD directory", spoolname);
+ "msglog.OLD directory", fname);
}
else
- if (Uunlink(spoolname) < 0)
+ if (Uunlink(fname) < 0)
log_write(0, LOG_MAIN|LOG_PANIC_DIE, "failed to unlink %s: %s",
- spoolname, strerror(errno));
+ fname, strerror(errno));
}
/* Remove the two message files. */
- sprintf(CS spoolname, "%s/input/%s/%s-D", spool_directory, message_subdir, id);
- if (Uunlink(spoolname) < 0)
+ fname = spool_fname(US"input", message_subdir, id, US"-D");
+ if (Uunlink(fname) < 0)
log_write(0, LOG_MAIN|LOG_PANIC_DIE, "failed to unlink %s: %s",
- spoolname, strerror(errno));
- sprintf(CS spoolname, "%s/input/%s/%s-H", spool_directory, message_subdir, id);
- if (Uunlink(spoolname) < 0)
+ fname, strerror(errno));
+ fname = spool_fname(US"input", message_subdir, id, US"-H");
+ if (Uunlink(fname) < 0)
log_write(0, LOG_MAIN|LOG_PANIC_DIE, "failed to unlink %s: %s",
- spoolname, strerror(errno));
+ fname, strerror(errno));
/* Log the end of this message, with queue time if requested. */
- if ((log_extra_selector & LX_queue_time_overall) != 0)
+ if (LOGGING(queue_time_overall))
log_write(0, LOG_MAIN, "Completed QT=%s",
readconf_printtime( (int) ((long)time(NULL) - (long)received_time)) );
else
/* Unset deliver_freeze so that we won't try to move the spool files further down */
deliver_freeze = FALSE;
-#ifdef EXPERIMENTAL_EVENT
+#ifndef DISABLE_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
uschar *recipients = US"";
BOOL delivery_attempted = FALSE;
- deliver_domain = testflag(addr_defer, af_pfr)?
- addr_defer->parent->domain : addr_defer->domain;
+ deliver_domain = testflag(addr_defer, af_pfr)
+ ? addr_defer->parent->domain : addr_defer->domain;
- for (addr = addr_defer; addr != NULL; addr = addr->next)
+ for (addr = addr_defer; addr; addr = addr->next)
{
address_item *otaddr;
if (addr->basic_errno > ERRNO_RETRY_BASE) delivery_attempted = TRUE;
- if (deliver_domain != NULL)
+ if (deliver_domain)
{
const uschar *d = testflag(addr, af_pfr)
? addr->parent->domain : addr->domain;
/* The domain may be unset for an address that has never been routed
because the system filter froze the message. */
- if (d == NULL || Ustrcmp(d, deliver_domain) != 0) deliver_domain = NULL;
+ if (!d || Ustrcmp(d, deliver_domain) != 0)
+ deliver_domain = NULL;
}
- if (addr->return_filename != NULL) Uunlink(addr->return_filename);
+ if (addr->return_filename) Uunlink(addr->return_filename);
/* Handle the case of one-time aliases. If any address in the ancestry
of this one is flagged, ensure it is in the recipients list, suitably
flagged, and that its parent is marked delivered. */
- for (otaddr = addr; otaddr != NULL; otaddr = otaddr->parent)
- if (otaddr->onetime_parent != NULL) break;
+ for (otaddr = addr; otaddr; otaddr = otaddr->parent)
+ if (otaddr->onetime_parent) break;
- if (otaddr != NULL)
+ if (otaddr)
{
int i;
int t = recipients_count;
}
/* 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 (sender_address[0])
{
- if (addr->prop.errors_address == NULL)
- {
- if (Ustrstr(recipients, sender_address) == NULL)
- recipients = string_sprintf("%s%s%s", recipients,
- (recipients[0] == 0)? "" : ",", sender_address);
- }
- else
- {
- if (Ustrstr(recipients, addr->prop.errors_address) == NULL)
- recipients = string_sprintf("%s%s%s", recipients,
- (recipients[0] == 0)? "" : ",", addr->prop.errors_address);
- }
+ 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);
}
}
)
&& delay_warning[1] > 0
&& sender_address[0] != 0
- && ( delay_warning_condition == NULL
+ && ( !delay_warning_condition
|| expand_check_condition(delay_warning_condition,
US"delay_warning", US"option")
)
FILE *wmf = NULL;
FILE *f = fdopen(fd, "wb");
uschar * bound;
+ transport_ctx tctx = {0};
if (warn_message_file)
- {
- wmf = Ufopen(warn_message_file, "rb");
- if (wmf == NULL)
+ if (!(wmf = Ufopen(warn_message_file, "rb")))
log_write(0, LOG_MAIN|LOG_PANIC, "Failed to open %s for warning "
"message texts: %s", warn_message_file, strerror(errno));
- }
warnmsg_recipients = recipients;
- warnmsg_delay = (queue_time < 120*60)?
- string_sprintf("%d minutes", show_time/60):
- string_sprintf("%d hours", show_time/3600);
+ warnmsg_delay = queue_time < 120*60
+ ? string_sprintf("%d minutes", show_time/60)
+ : string_sprintf("%d hours", show_time/3600);
if (errors_reply_to)
fprintf(f, "Reply-To: %s\n", errors_reply_to);
"The message identifier is: %s\n",
warnmsg_delay, primary_hostname, message_id);
- for (h = header_list; h != NULL; h = h->next)
+ for (h = header_list; h; h = h->next)
if (strncmpic(h->text, US"Subject:", 8) == 0)
fprintf(f, "The subject of the message is: %s", h->text + 9);
else if (strncmpic(h->text, US"Date:", 5) == 0)
"Reporting-MTA: dns; %s\n",
bound,
smtp_active_hostname);
-
+
if (dsn_envid)
{
if (auth_xtextdecode(dsn_envid, &xdec_envid) > 0)
fprintf(f,"Original-Envelope-ID: %s\n", dsn_envid);
else
- fprintf(f,"X-Original-Envelope-ID: error decoding xtext formated ENVID\n");
+ fprintf(f,"X-Original-Envelope-ID: error decoding xtext formatted ENVID\n");
}
fputc('\n', f);
addr_dsndefer->address);
if (addr_dsndefer->host_used && addr_dsndefer->host_used->name)
{
- fprintf(f, "Remote-MTA: dns; %s\n",
+ fprintf(f, "Remote-MTA: dns; %s\n",
addr_dsndefer->host_used->name);
print_dsn_diagnostic_code(addr_dsndefer, f);
}
fflush(f);
/* header only as required by RFC. only failure DSN needs to honor RET=FULL */
- int 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);
if (deliver_freeze)
{
- if (freeze_tell != NULL && freeze_tell[0] != 0 && !local_error_message)
+ if (freeze_tell && freeze_tell[0] != 0 && !local_error_message)
{
uschar *s = string_copy(frozen_info);
uschar *ss = Ustrstr(s, " by the system filter: ");
if (remove_journal)
{
- sprintf(CS spoolname, "%s/input/%s/%s-J", spool_directory, message_subdir, id);
- if (Uunlink(spoolname) < 0 && errno != ENOENT)
- log_write(0, LOG_MAIN|LOG_PANIC_DIE, "failed to unlink %s: %s", spoolname,
+ uschar * fname = spool_fname(US"input", message_subdir, id, US"-J");
+
+ if (Uunlink(fname) < 0 && errno != ENOENT)
+ 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);
#endif
-#ifdef EXPERIMENTAL_INTERNATIONAL
+#ifdef SUPPORT_I18N
if (!regex_UTF8) regex_UTF8 =
regex_must_compile(US"\\n250[\\s\\-]SMTPUTF8(\\s|\\n|$)", FALSE, TRUE);
#endif
uschar *
deliver_get_sender_address (uschar * id)
{
-if (!spool_open_datafile(id))
+int rc;
+uschar * new_sender_address,
+ * save_sender_address;
+BOOL save_qr = queue_running;
+uschar * spoolname;
+
+/* make spool_open_datafile non-noisy on fail */
+
+queue_running = TRUE;
+
+/* Side effect: message_subdir is set for the (possibly split) spool directory */
+
+deliver_datafile = spool_open_datafile(id);
+queue_running = save_qr;
+if (deliver_datafile < 0)
return NULL;
-sprintf(CS spoolname, "%s-H", id);
-if (spool_read_header(spoolname, TRUE, TRUE) != spool_read_OK)
+/* Save and restore the global sender_address. I'm not sure if we should
+not save/restore all the other global variables too, because
+spool_read_header() may change all of them. But OTOH, when this
+deliver_get_sender_address() gets called, the current message is done
+already and nobody needs the globals anymore. (HS12, 2015-08-21) */
+
+spoolname = string_sprintf("%s-H", id);
+save_sender_address = sender_address;
+
+rc = spool_read_header(spoolname, TRUE, TRUE);
+
+new_sender_address = sender_address;
+sender_address = save_sender_address;
+
+if (rc != spool_read_OK)
return NULL;
+assert(new_sender_address);
+
(void)close(deliver_datafile);
deliver_datafile = -1;
-return sender_address;
+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