network: make FooOverUDP.Protocol= support name of ipproto

3 files changed, 40 insertions, 1 deletions

diff --git a/src/network/netdev/fou-tunnel.c b/src/network/netdev/fou-tunnel.c
index 73adceea9d..2d4481e060 100644
--- a/src/network/netdev/fou-tunnel.c
+++ b/src/network/netdev/fou-tunnel.c
@@ -5,6 +5,7 @@
 #include <linux/ip.h>
 
 #include "conf-parser.h"
+#include "ip-protocol-list.h"
 #include "missing.h"
 #include "netdev/fou-tunnel.h"
 #include "netlink-util.h"
@@ -112,6 +113,43 @@ static int netdev_fou_tunnel_create(NetDev *netdev) {
         return 0;
 }
 
+int config_parse_ip_protocol(
+                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) {
+
+        uint8_t *protocol = data;
+        int r;
+
+        assert(filename);
+        assert(section);
+        assert(lvalue);
+        assert(rvalue);
+        assert(data);
+
+        assert_cc(IPPROTO_MAX-1 <= UINT8_MAX);
+
+        r = parse_ip_protocol(rvalue);
+        if (r < 0) {
+                r = safe_atou8(rvalue, protocol);
+                if (r < 0)
+                        log_syntax(unit, LOG_ERR, filename, line, r,
+                                   "Failed to parse IP protocol '%s' for Foo over UDP tunnel, "
+                                   "ignoring assignment: %m", rvalue);
+                return 0;
+        }
+
+        *protocol = r;
+        return 0;
+}
+
 static int netdev_fou_tunnel_verify(NetDev *netdev, const char *filename) {
         FouTunnel *t;
 
diff --git a/src/network/netdev/fou-tunnel.h b/src/network/netdev/fou-tunnel.h
index b8abed19bd..0e3fd7dd76 100644
--- a/src/network/netdev/fou-tunnel.h
+++ b/src/network/netdev/fou-tunnel.h
@@ -34,3 +34,4 @@ const char *fou_encap_type_to_string(FooOverUDPEncapType d) _const_;
 FooOverUDPEncapType fou_encap_type_from_string(const char *d) _pure_;
 
 CONFIG_PARSER_PROTOTYPE(config_parse_fou_encap_type);
+CONFIG_PARSER_PROTOTYPE(config_parse_ip_protocol);
diff --git a/src/network/netdev/netdev-gperf.gperf b/src/network/netdev/netdev-gperf.gperf
index 1677e937b6..fcd2ec2097 100644
--- a/src/network/netdev/netdev-gperf.gperf
+++ b/src/network/netdev/netdev-gperf.gperf
@@ -75,7 +75,7 @@ Tunnel.IPv6RapidDeploymentPrefix,  config_parse_6rd_prefix,              0,
 Tunnel.ERSPANIndex,                config_parse_uint32,                  0,                             offsetof(Tunnel, erspan_index)
 Tunnel.SerializeTunneledPackets,   config_parse_tristate,                0,                             offsetof(Tunnel, gre_erspan_sequence)
 Tunnel.ISATAP,                     config_parse_tristate,                0,                             offsetof(Tunnel, isatap)
-FooOverUDP.Protocol,               config_parse_uint8,                   0,                             offsetof(FouTunnel, fou_protocol)
+FooOverUDP.Protocol,               config_parse_ip_protocol,             0,                             offsetof(FouTunnel, fou_protocol)
 FooOverUDP.Encapsulation,          config_parse_fou_encap_type,          0,                             offsetof(FouTunnel, fou_encap_type)
 FooOverUDP.Port,                   config_parse_ip_port,                 0,                             offsetof(FouTunnel, port)
 L2TP.TunnelId,                     config_parse_l2tp_tunnel_id,          0,                             offsetof(L2tpTunnel, tunnel_id)