networkd: add support for IPv6 tokens

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

diff --git a/src/network/networkd-network.c b/src/network/networkd-network.c
index 504419cdb0ef4f215fc4e024d9ccfac18770a893..9ebc2d15aaecd6bb0e6d28060c8c042e3d92397d 100644 (file)
--- a/src/network/networkd-network.c
+++ b/src/network/networkd-network.c
@@ -107,6 +107,8 @@ static int network_load_one(Manager *manager, const char *filename) {
 
         network->llmnr = LLMNR_SUPPORT_YES;
 
+        network->link_local = ADDRESS_FAMILY_IPV6;
+
         r = config_parse(NULL, filename, file,
                          "Match\0"
                          "Link\0"
@@ -520,6 +522,37 @@ int config_parse_tunnel(const char *unit,
         return 0;
 }
 
+int config_parse_ipv4ll(
+                const char* unit,
+                const char *filename,
+                unsigned line,
+                const char *section,
+                unsigned section_line,
+                const char *lvalue,
+                int ltype,
+                const char *rvalue,
+                void *data,
+                void *userdata) {
+
+        AddressFamilyBoolean *link_local = data;
+
+        assert(filename);
+        assert(lvalue);
+        assert(rvalue);
+        assert(data);
+
+        /* Note that this is mostly like
+         * config_parse_address_family_boolean(), except that it
+         * applies only to IPv4 */
+
+        if (parse_boolean(rvalue))
+                *link_local |= ADDRESS_FAMILY_IPV4;
+        else
+                *link_local &= ~ADDRESS_FAMILY_IPV4;
+
+        return 0;
+}
+
 int config_parse_dhcp(
                 const char* unit,
                 const char *filename,
@@ -593,7 +626,7 @@ int config_parse_llmnr(
         assert(filename);
         assert(lvalue);
         assert(rvalue);
-        assert(data);
+        assert(llmnr);
 
         /* Our enum shall be a superset of booleans, hence first try
          * to parse as boolean, and then as enum */
@@ -617,3 +650,46 @@ int config_parse_llmnr(
 
         return 0;
 }
+
+int config_parse_token(
+                const char* unit,
+                const char *filename,
+                unsigned line,
+                const char *section,
+                unsigned section_line,
+                const char *lvalue,
+                int ltype,
+                const char *rvalue,
+                void *data,
+                void *userdata) {
+
+        union in_addr_union buffer;
+        struct in6_addr *token = data;
+        int r;
+
+        assert(filename);
+        assert(lvalue);
+        assert(rvalue);
+        assert(token);
+
+        r = in_addr_from_string(AF_INET6, rvalue, &buffer);
+        if (r < 0) {
+                log_syntax(unit, LOG_ERR, filename, line, -r, "Failed to parse IPv6 token, ignoring: %s", rvalue);
+                return 0;
+        }
+
+        r = in_addr_is_null(AF_INET6, &buffer);
+        if (r < 0) {
+                log_syntax(unit, LOG_ERR, filename, line, -r, "IPv6 token canno t be the ANY address, ignoring: %s", rvalue);
+                return 0;
+        }
+
+        if ((buffer.in6.s6_addr32[0] | buffer.in6.s6_addr32[1]) != 0) {
+                log_syntax(unit, LOG_ERR, filename, line, EINVAL, "IPv6 token canno t be longer than 64 bits, ignoring: %s", rvalue);
+                return 0;
+        }
+
+        *token = buffer.in6;
+
+        return 0;
+}