return 0;
}
+int sd_rtnl_message_route_set_src_prefixlen(sd_rtnl_message *m, unsigned char prefixlen) {
+ struct rtmsg *rtm;
+
+ assert_return(m, -EINVAL);
+ assert_return(m->hdr, -EINVAL);
+ assert_return(rtnl_message_type_is_route(m->hdr->nlmsg_type), -EINVAL);
+
+ rtm = NLMSG_DATA(m->hdr);
+
+ if ((rtm->rtm_family == AF_INET && prefixlen > 32) ||
+ (rtm->rtm_family == AF_INET6 && prefixlen > 128))
+ return -ERANGE;
+
+ rtm->rtm_src_len = prefixlen;
+
+ return 0;
+}
+
int sd_rtnl_message_route_set_scope(sd_rtnl_message *m, unsigned char scope) {
struct rtmsg *rtm;
Address.Label, config_parse_label, 0, 0
Route.Gateway, config_parse_gateway, 0, 0
Route.Destination, config_parse_destination, 0, 0
+Route.Source, config_parse_destination, 0, 0
Route.Metric, config_parse_route_priority, 0, 0
DHCP.UseDNS, config_parse_bool, 0, offsetof(Network, dhcp_dns)
DHCP.UseMTU, config_parse_bool, 0, offsetof(Network, dhcp_mtu)
return log_error_errno(r, "Could not set destination prefix length: %m");
}
+ if (route->src_prefixlen) {
+ if (route->family == AF_INET)
+ r = sd_rtnl_message_append_in_addr(req, RTA_SRC, &route->src_addr.in);
+ else if (route->family == AF_INET6)
+ r = sd_rtnl_message_append_in6_addr(req, RTA_SRC, &route->src_addr.in6);
+ if (r < 0)
+ return log_error_errno(r, "Could not append RTA_DST attribute: %m");
+
+ r = sd_rtnl_message_route_set_src_prefixlen(req, route->src_prefixlen);
+ if (r < 0)
+ return log_error_errno(r, "Could not set source prefix length: %m");
+ }
+
if (!in_addr_is_null(route->family, &route->prefsrc_addr)) {
if (route->family == AF_INET)
r = sd_rtnl_message_append_in_addr(req, RTA_PREFSRC, &route->prefsrc_addr.in);
return log_error_errno(r, "Could not set destination prefix length: %m");
}
+ if (route->src_prefixlen) {
+ if (route->family == AF_INET)
+ r = sd_rtnl_message_append_in_addr(req, RTA_SRC, &route->src_addr.in);
+ else if (route->family == AF_INET6)
+ r = sd_rtnl_message_append_in6_addr(req, RTA_SRC, &route->src_addr.in6);
+ if (r < 0)
+ return log_error_errno(r, "Could not append RTA_SRC attribute: %m");
+
+ r = sd_rtnl_message_route_set_src_prefixlen(req, route->src_prefixlen);
+ if (r < 0)
+ return log_error_errno(r, "Could not set source prefix length: %m");
+ }
+
if (!in_addr_is_null(route->family, &route->prefsrc_addr)) {
if (route->family == AF_INET)
r = sd_rtnl_message_append_in_addr(req, RTA_PREFSRC, &route->prefsrc_addr.in);
_cleanup_route_free_ Route *n = NULL;
const char *address, *e;
union in_addr_union buffer;
+ unsigned char prefixlen;
int r, f;
assert(filename);
if (r < 0)
return r;
- /* Destination=address/prefixlen */
+ /* Destination|Source=address/prefixlen */
/* address */
e = strchr(rvalue, '/');
/* prefixlen */
if (e) {
- unsigned i;
-
- r = safe_atou(e + 1, &i);
+ r = safe_atou8(e + 1, &prefixlen);
if (r < 0) {
log_syntax(unit, LOG_ERR, filename, line, EINVAL,
"Route destination prefix length is invalid, ignoring assignment: %s", e + 1);
return 0;
}
-
- n->dst_prefixlen = (unsigned char) i;
} else {
switch (n->family) {
case AF_INET:
- n->dst_prefixlen = 32;
+ prefixlen = 32;
break;
case AF_INET6:
- n->dst_prefixlen = 128;
+ prefixlen = 128;
break;
}
}
n->family = f;
- n->dst_addr = buffer;
+ if (streq(lvalue, "Destination")) {
+ n->dst_addr = buffer;
+ n->dst_prefixlen = prefixlen;
+ } else if (streq(lvalue, "Source")) {
+ n->src_addr = buffer;
+ n->src_prefixlen = prefixlen;
+ } else
+ assert_not_reached(lvalue);
+
n = NULL;
return 0;