1 files changed, 80 insertions, 1 deletions

diff --git a/networking/libiproute/rt_names.c b/networking/libiproute/rt_names.c
index c0f790754..ed21fbe26 100644
--- a/networking/libiproute/rt_names.c
+++ b/networking/libiproute/rt_names.c
@@ -240,7 +240,23 @@ int rtnl_rtrealm_a2n(uint32_t *id, char *arg)
         return 0;
 }
 
-
+#if ENABLE_FEATURE_IP_RULE
+const char * rtnl_rtrealm_n2a(int id, char *buf, int len)
+{
+        if (id<0 || id>=256) {
+                snprintf(buf, len, "%d", id);
+                return buf;
+        }
+        if (!rtnl_rtrealm_tab[id]) {
+                if (!rtnl_rtrealm_init)
+                        rtnl_rtrealm_initialize();
+        }
+        if (rtnl_rtrealm_tab[id])
+                return rtnl_rtrealm_tab[id];
+        snprintf(buf, len, "%d", id);
+        return buf;
+}
+#endif
 
 static const char * rtnl_rtdsfield_tab[256] = {
         "0",
@@ -303,3 +319,66 @@ int rtnl_dsfield_a2n(uint32_t *id, char *arg)
         *id = res;
         return 0;
 }
+
+#if ENABLE_FEATURE_IP_RULE
+static int rtnl_rttable_init;
+static const char * rtnl_rttable_tab[256] = {
+        "unspec",
+};
+static void rtnl_rttable_initialize(void)
+{
+        rtnl_rttable_init = 1;
+        rtnl_rttable_tab[255] = "local";
+        rtnl_rttable_tab[254] = "main";
+        rtnl_rttable_tab[253] = "default";
+        rtnl_tab_initialize("/etc/iproute2/rt_tables", rtnl_rttable_tab, 256);
+}
+
+const char *rtnl_rttable_n2a(int id, char *buf, int len)
+{
+        if (id < 0 || id >= 256) {
+                snprintf(buf, len, "%d", id);
+                return buf;
+        }
+        if (!rtnl_rttable_tab[id]) {
+                if (!rtnl_rttable_init)
+                        rtnl_rttable_initialize();
+        }
+        if (rtnl_rttable_tab[id])
+                return rtnl_rttable_tab[id];
+        snprintf(buf, len, "%d", id);
+        return buf;
+}
+
+int rtnl_rttable_a2n(uint32_t * id, char *arg)
+{
+        static char *cache = NULL;
+        static unsigned long res;
+        char *end;
+        int i;
+
+        if (cache && strcmp(cache, arg) == 0) {
+                *id = res;
+                return 0;
+        }
+
+        if (!rtnl_rttable_init)
+                rtnl_rttable_initialize();
+
+        for (i = 0; i < 256; i++) {
+                if (rtnl_rttable_tab[i] && strcmp(rtnl_rttable_tab[i], arg) == 0) {
+                        cache = (char*)rtnl_rttable_tab[i];
+                        res = i;
+                        *id = res;
+                        return 0;
+                }
+        }
+
+        i = strtoul(arg, &end, 0);
+        if (!end || end == arg || *end || i > 255)
+                return -1;
+        *id = i;
+        return 0;
+}
+
+#endif