networkd: add support for Route sections

[elogind.git] / src / network / networkd-route.c

diff --git a/src/network/networkd-route.c b/src/network/networkd-route.c
index b88c622614f0458147ad9f26fe6fc509816eadae..3eaefa2cc741ffa42e84da99acdd2065d2be1613 100644 (file)
--- a/src/network/networkd-route.c
+++ b/src/network/networkd-route.c
@@ -86,27 +86,39 @@ int route_configure(Route *route, Link *link,
         assert(link->ifindex > 0);
         assert(route->family == AF_INET || route->family == AF_INET6);
 
-        r = sd_rtnl_message_route_new(RTM_NEWROUTE, route->family, route->dst_prefixlen,
-                                      0, 0, RT_TABLE_MAIN, RT_SCOPE_UNIVERSE,
-                                      RTPROT_BOOT, RTN_UNICAST, 0, &req);
+        r = sd_rtnl_message_route_new(RTM_NEWROUTE, route->family, &req);
         if (r < 0) {
                 log_error("Could not create RTM_NEWROUTE message: %s", strerror(-r));
                 return r;
         }
 
-        r = sd_rtnl_message_append(req, RTA_GATEWAY, &route->in_addr);
+        if (route->family == AF_INET)
+                r = sd_rtnl_message_append_in_addr(req, RTA_GATEWAY, &route->in_addr.in);
+        else if (route->family == AF_INET6)
+                r = sd_rtnl_message_append_in6_addr(req, RTA_GATEWAY, &route->in_addr.in6);
         if (r < 0) {
                 log_error("Could not append RTA_GATEWAY attribute: %s", strerror(-r));
                 return r;
         }
 
-        r = sd_rtnl_message_append(req, RTA_DST, &route->dst_addr);
-        if (r < 0) {
-                log_error("Could not append RTA_DST attribute: %s", strerror(-r));
-                return r;
+        if (route->dst_prefixlen) {
+                if (route->family == AF_INET)
+                        r = sd_rtnl_message_append_in_addr(req, RTA_DST, &route->dst_addr.in);
+                else if (route->family == AF_INET6)
+                        r = sd_rtnl_message_append_in6_addr(req, RTA_DST, &route->dst_addr.in6);
+                if (r < 0) {
+                        log_error("Could not append RTA_DST attribute: %s", strerror(-r));
+                        return r;
+                }
+
+                r = sd_rtnl_message_route_set_dst_prefixlen(req, route->dst_prefixlen);
+                if (r < 0) {
+                        log_error("Could not set destination prefix length: %s", strerror(-r));
+                        return r;
+                }
         }
 
-        r = sd_rtnl_message_append(req, RTA_OIF, &link->ifindex);
+        r = sd_rtnl_message_append_u32(req, RTA_OIF, link->ifindex);
         if (r < 0) {
                 log_error("Could not append RTA_OIF attribute: %s", strerror(-r));
                 return r;
@@ -118,8 +130,6 @@ int route_configure(Route *route, Link *link,
                 return r;
         }
 
-        link->rtnl_messages ++;
-
         return 0;
 }
 
@@ -144,6 +154,12 @@ int config_parse_gateway(const char *unit,
         assert(rvalue);
         assert(data);
 
+        if (streq(section, "Network")) {
+                /* we are not in an Route section, so treat
+                 * this as the special '0' section */
+                section_line = 0;
+        }
+
         r = route_new(network, section_line, &n);
         if (r < 0)
                 return r;
@@ -188,20 +204,9 @@ int config_parse_destination(const char *unit,
 
         /* Destination=address/prefixlen */
 
-        /* prefixlen */
+        /* address */
         e = strchr(rvalue, '/');
         if (e) {
-                unsigned i;
-                r = safe_atou(e + 1, &i);
-                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;
-
                 address = strndup(rvalue, e - rvalue);
                 if (!address)
                         return log_oom();
@@ -218,6 +223,30 @@ int config_parse_destination(const char *unit,
                 return 0;
         }
 
+        /* prefixlen */
+        if (e) {
+                unsigned i;
+
+                r = safe_atou(e + 1, &i);
+                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;
+                                break;
+                        case AF_INET6:
+                                n->dst_prefixlen = 128;
+                                break;
+                }
+        }
+
         n = NULL;
 
         return 0;