* Exim - an Internet mail transport agent *
*************************************************/
-/* Copyright (c) University of Cambridge 1995 - 2016 */
+/* Copyright (c) University of Cambridge 1995 - 2018 */
+/* Copyright (c) The Exim Maintainers 2020 - 2021 */
/* See the file NOTICE for conditions of use and distribution. */
optionlist manualroute_router_options[] = {
{ "host_all_ignored", opt_stringptr,
- (void *)(offsetof(manualroute_router_options_block, host_all_ignored)) },
+ OPT_OFF(manualroute_router_options_block, host_all_ignored) },
{ "host_find_failed", opt_stringptr,
- (void *)(offsetof(manualroute_router_options_block, host_find_failed)) },
+ OPT_OFF(manualroute_router_options_block, host_find_failed) },
{ "hosts_randomize", opt_bool,
- (void *)(offsetof(manualroute_router_options_block, hosts_randomize)) },
+ OPT_OFF(manualroute_router_options_block, hosts_randomize) },
{ "route_data", opt_stringptr,
- (void *)(offsetof(manualroute_router_options_block, route_data)) },
+ OPT_OFF(manualroute_router_options_block, route_data) },
{ "route_list", opt_stringptr,
- (void *)(offsetof(manualroute_router_options_block, route_list)) },
+ OPT_OFF(manualroute_router_options_block, route_list) },
{ "same_domain_copy_routing", opt_bool|opt_public,
- (void *)(offsetof(router_instance, same_domain_copy_routing)) }
+ OPT_OFF(router_instance, same_domain_copy_routing) }
};
/* Size of the options list. An extern variable has to be used so that its
{
manualroute_router_options_block *ob =
(manualroute_router_options_block *)(rblock->options_block);
-int i;
/* Host_find_failed must be a recognized word */
-for (i = 0; i < hff_count; i++)
- {
+for (int i = 0; i < hff_count; i++)
if (Ustrcmp(ob->host_find_failed, hff_names[i]) == 0)
{
ob->hff_code = hff_codes[i];
break;
}
- }
if (ob->hff_code < 0)
log_write(0, LOG_PANIC_DIE|LOG_CONFIG_FOR, "%s router:\n "
"unrecognized setting for host_find_failed option", rblock->name);
-for (i = 1; i < hff_count; i++) /* NB starts at 1 to skip "ignore" */
- {
+for (int i = 1; i < hff_count; i++) /* NB starts at 1 to skip "ignore" */
if (Ustrcmp(ob->host_all_ignored, hff_names[i]) == 0)
{
ob->hai_code = hff_codes[i];
break;
}
- }
if (ob->hai_code < 0)
log_write(0, LOG_PANIC_DIE|LOG_CONFIG_FOR, "%s router:\n "
"unrecognized setting for host_all_ignored option", rblock->name);
{
while (*s != 0 && isspace(*s)) s++;
-if (domain != NULL)
+if (domain)
{
- if (*s == 0) return FALSE; /* missing data */
+ if (!*s) return FALSE; /* missing data */
*domain = string_dequote(&s);
- while (*s != 0 && isspace(*s)) s++;
+ while (*s && isspace(*s)) s++;
}
*hostlist = string_dequote(&s);
-while (*s != 0 && isspace(*s)) s++;
+while (*s && isspace(*s)) s++;
*options = s;
return TRUE;
}
BOOL individual_transport_set = FALSE;
BOOL randomize = ob->hosts_randomize;
-addr_new = addr_new; /* Keep picky compilers happy */
-addr_succeed = addr_succeed;
-
DEBUG(D_route) debug_printf("%s router called for %s\n domain = %s\n",
rblock->name, addr->address, addr->domain);
/* The initialization check ensures that either route_list or route_data is
set. */
-if (ob->route_list != NULL)
+if (ob->route_list)
{
int sep = -(';'); /* Default is semicolon */
listptr = ob->route_list;
- while ((route_item = string_nextinlist(&listptr, &sep, NULL, 0)) != NULL)
+ while ((route_item = string_nextinlist(&listptr, &sep, NULL, 0)))
{
int rc;
}
}
- if (route_item == NULL) return DECLINE; /* No pattern in the list matched */
+ if (!route_item) return DECLINE; /* No pattern in the list matched */
}
/* Handle a single routing item in route_data. If it expands to an empty
else
{
- route_item = rf_expand_data(addr, ob->route_data, &rc);
- if (route_item == NULL) return rc;
+ if (!(route_item = rf_expand_data(addr, ob->route_data, &rc)))
+ return rc;
(void) parse_route_item(route_item, NULL, &hostlist, &options);
- if (hostlist[0] == 0) return DECLINE;
+ if (!hostlist[0]) return DECLINE;
}
/* Expand the hostlist item. It may then pointing to an empty string, or to a
single host or a list of hosts; options is pointing to the rest of the
routelist item, which is either empty or contains various option words. */
-DEBUG(D_route) debug_printf("original list of hosts = \"%s\" options = %s\n",
+DEBUG(D_route) debug_printf("original list of hosts = '%s' options = '%s'\n",
hostlist, options);
newhostlist = expand_string_copy(hostlist);
/* If the expansion was forced to fail, just decline. Otherwise there is a
configuration problem. */
-if (newhostlist == NULL)
+if (!newhostlist)
{
- if (expand_string_forcedfail) return DECLINE;
+ if (f.expand_string_forcedfail) return DECLINE;
addr->message = string_sprintf("%s router: failed to expand \"%s\": %s",
rblock->name, hostlist, expand_string_message);
return DEFER;
}
else hostlist = newhostlist;
-DEBUG(D_route) debug_printf("expanded list of hosts = \"%s\" options = %s\n",
+DEBUG(D_route) debug_printf("expanded list of hosts = '%s' options = '%s'\n",
hostlist, options);
/* Set default lookup type and scan the options */
-lookup_type = lk_default;
+lookup_type = LK_DEFAULT;
-while (*options != 0)
+while (*options)
{
unsigned n;
const uschar *s = options;
if (Ustrncmp(s, "randomize", n) == 0) randomize = TRUE;
else if (Ustrncmp(s, "no_randomize", n) == 0) randomize = FALSE;
- else if (Ustrncmp(s, "byname", n) == 0) lookup_type = lk_byname;
- else if (Ustrncmp(s, "bydns", n) == 0) lookup_type = lk_bydns;
+ else if (Ustrncmp(s, "byname", n) == 0)
+ lookup_type = lookup_type & ~(LK_DEFAULT | LK_BYDNS) | LK_BYNAME;
+ else if (Ustrncmp(s, "bydns", n) == 0)
+ lookup_type = lookup_type & ~(LK_DEFAULT | LK_BYNAME) & LK_BYDNS;
+ else if (Ustrncmp(s, "ipv4_prefer", n) == 0) lookup_type |= LK_IPV4_PREFER;
+ else if (Ustrncmp(s, "ipv4_only", n) == 0) lookup_type |= LK_IPV4_ONLY;
else
{
transport_instance *t;
- for (t = transports; t != NULL; t = t->next)
+ for (t = transports; t; t = t->next)
if (Ustrncmp(t->name, s, n) == 0)
{
transport = t;
break;
}
- if (t == NULL)
+ if (!t)
{
s = string_sprintf("unknown routing option or transport name \"%s\"", s);
log_write(0, LOG_MAIN, "Error in %s router: %s", rblock->name, s);
rc = rf_get_errors_address(addr, rblock, verify, &addr->prop.errors_address);
if (rc != OK) return rc;
-/* Set up the additional and removeable headers for this address. */
+/* Set up the additional and removable headers for this address. */
rc = rf_get_munge_headers(addr, rblock, &addr->prop.extra_headers,
&addr->prop.remove_headers);
/* Deal with the case of a local transport. The host list is passed over as a
single text string that ends up in $host. */
-if (transport != NULL && transport->info->local)
+if (transport && transport->info->local)
{
- if (hostlist[0] != 0)
+ if (hostlist[0])
{
host_item *h;
- addr->host_list = h = store_get(sizeof(host_item));
+ addr->host_list = h = store_get(sizeof(host_item), GET_UNTAINTED);
h->name = string_copy(hostlist);
h->address = NULL;
h->port = PORT_NONE;
list is mandatory in either case, except when verifying, in which case the
address is just accepted. */
-if (hostlist[0] == 0)
+if (!hostlist[0])
{
if (verify != v_none) goto ROUTED;
addr->message = string_sprintf("error in %s router: no host(s) specified "
/* Otherwise we finish the routing here by building a chain of host items
for the list of configured hosts, and then finding their addresses. */
-host_build_hostlist(&(addr->host_list), hostlist, randomize);
+host_build_hostlist(&addr->host_list, hostlist, randomize);
rc = rf_lookup_hostlist(rblock, addr, rblock->ignore_target_hosts, lookup_type,
ob->hff_code, addr_new);
if (rc != OK) return rc;
be ignored, in which case we will end up with an empty host list. What happens
is controlled by host_all_ignored. */
-if (addr->host_list == NULL)
+if (!addr->host_list)
{
int i;
DEBUG(D_route) debug_printf("host_find_failed ignored every host\n");
defined for these hosts. It will be a remote one, as a local transport is
dealt with above. However, we don't need one if verifying only. */
-if (transport == NULL && verify == v_none)
+if (!transport && verify == v_none)
{
log_write(0, LOG_MAIN, "Error in %s router: no transport defined",
rblock->name);