network: warn about unknown sections when parsing .netdev files

Fixes https://bugzilla.redhat.com/show_bug.cgi?id=1774242.
Now we'll emit the warning about unknown section [Netdev], making the issue
much easier to diagnose.

23 files changed, 64 insertions, 35 deletions

diff --git a/src/network/netdev/bond.c b/src/network/netdev/bond.c
index 185b155440..8df39e3584 100644
--- a/src/network/netdev/bond.c
+++ b/src/network/netdev/bond.c
@@ -587,7 +587,7 @@ const NetDevVTable bond_vtable = {
         .object_size = sizeof(Bond),
         .init = bond_init,
         .done = bond_done,
-        .sections = "Match\0NetDev\0Bond\0",
+        .sections = NETDEV_COMMON_SECTIONS "Bond\0",
         .fill_message_create = netdev_bond_fill_message_create,
         .create_type = NETDEV_CREATE_MASTER,
         .generate_mac = true,
diff --git a/src/network/netdev/bridge.c b/src/network/netdev/bridge.c
index 59a40faef8..6b8f994461 100644
--- a/src/network/netdev/bridge.c
+++ b/src/network/netdev/bridge.c
@@ -355,7 +355,7 @@ static void bridge_init(NetDev *n) {
 const NetDevVTable bridge_vtable = {
         .object_size = sizeof(Bridge),
         .init = bridge_init,
-        .sections = "Match\0NetDev\0Bridge\0",
+        .sections = NETDEV_COMMON_SECTIONS "Bridge\0",
         .post_create = netdev_bridge_post_create,
         .create_type = NETDEV_CREATE_MASTER,
 };
diff --git a/src/network/netdev/dummy.c b/src/network/netdev/dummy.c
index 23c733cbe7..e06dc02f3a 100644
--- a/src/network/netdev/dummy.c
+++ b/src/network/netdev/dummy.c
@@ -4,7 +4,7 @@
 
 const NetDevVTable dummy_vtable = {
         .object_size = sizeof(Dummy),
-        .sections = "Match\0NetDev\0",
+        .sections = NETDEV_COMMON_SECTIONS,
         .create_type = NETDEV_CREATE_INDEPENDENT,
         .generate_mac = true,
 };
diff --git a/src/network/netdev/fou-tunnel.c b/src/network/netdev/fou-tunnel.c
index 7627ccee9c..3cc273c7fe 100644
--- a/src/network/netdev/fou-tunnel.c
+++ b/src/network/netdev/fou-tunnel.c
@@ -262,7 +262,7 @@ static void fou_tunnel_init(NetDev *netdev) {
 const NetDevVTable foutnl_vtable = {
         .object_size = sizeof(FouTunnel),
         .init = fou_tunnel_init,
-        .sections = "Match\0NetDev\0FooOverUDP\0",
+        .sections = NETDEV_COMMON_SECTIONS "FooOverUDP\0",
         .create = netdev_fou_tunnel_create,
         .create_type = NETDEV_CREATE_INDEPENDENT,
         .config_verify = netdev_fou_tunnel_verify,
diff --git a/src/network/netdev/geneve.c b/src/network/netdev/geneve.c
index 771e0292de..b960840a54 100644
--- a/src/network/netdev/geneve.c
+++ b/src/network/netdev/geneve.c
@@ -348,7 +348,7 @@ static void geneve_init(NetDev *netdev) {
 const NetDevVTable geneve_vtable = {
         .object_size = sizeof(Geneve),
         .init = geneve_init,
-        .sections = "Match\0NetDev\0GENEVE\0",
+        .sections = NETDEV_COMMON_SECTIONS "GENEVE\0",
         .create = netdev_geneve_create,
         .create_type = NETDEV_CREATE_INDEPENDENT,
         .config_verify = netdev_geneve_verify,
diff --git a/src/network/netdev/ipvlan.c b/src/network/netdev/ipvlan.c
index 53b4bc944f..1d87cfa865 100644
--- a/src/network/netdev/ipvlan.c
+++ b/src/network/netdev/ipvlan.c
@@ -74,7 +74,7 @@ static void ipvlan_init(NetDev *n) {
 const NetDevVTable ipvlan_vtable = {
         .object_size = sizeof(IPVlan),
         .init = ipvlan_init,
-        .sections = "Match\0NetDev\0IPVLAN\0",
+        .sections = NETDEV_COMMON_SECTIONS "IPVLAN\0",
         .fill_message_create = netdev_ipvlan_fill_message_create,
         .create_type = NETDEV_CREATE_STACKED,
         .generate_mac = true,
@@ -83,7 +83,7 @@ const NetDevVTable ipvlan_vtable = {
 const NetDevVTable ipvtap_vtable = {
         .object_size = sizeof(IPVlan),
         .init = ipvlan_init,
-        .sections = "Match\0NetDev\0IPVTAP\0",
+        .sections = NETDEV_COMMON_SECTIONS "IPVTAP\0",
         .fill_message_create = netdev_ipvlan_fill_message_create,
         .create_type = NETDEV_CREATE_STACKED,
         .generate_mac = true,
diff --git a/src/network/netdev/l2tp-tunnel.c b/src/network/netdev/l2tp-tunnel.c
index f10506af1e..19683c0a00 100644
--- a/src/network/netdev/l2tp-tunnel.c
+++ b/src/network/netdev/l2tp-tunnel.c
@@ -723,7 +723,7 @@ static void l2tp_tunnel_done(NetDev *netdev) {
 const NetDevVTable l2tptnl_vtable = {
         .object_size = sizeof(L2tpTunnel),
         .init = l2tp_tunnel_init,
-        .sections = "Match\0NetDev\0L2TP\0L2TPSession\0",
+        .sections = NETDEV_COMMON_SECTIONS "L2TP\0L2TPSession\0",
         .create_after_configured = l2tp_create_tunnel,
         .done = l2tp_tunnel_done,
         .create_type = NETDEV_CREATE_AFTER_CONFIGURED,
diff --git a/src/network/netdev/macsec.c b/src/network/netdev/macsec.c
index 25dc23ff03..010e16bcaf 100644
--- a/src/network/netdev/macsec.c
+++ b/src/network/netdev/macsec.c
@@ -1235,7 +1235,7 @@ static void macsec_done(NetDev *netdev) {
 const NetDevVTable macsec_vtable = {
         .object_size = sizeof(MACsec),
         .init = macsec_init,
-        .sections = "Match\0NetDev\0MACsec\0MACsecReceiveChannel\0MACsecTransmitAssociation\0MACsecReceiveAssociation\0",
+        .sections = NETDEV_COMMON_SECTIONS "MACsec\0MACsecReceiveChannel\0MACsecTransmitAssociation\0MACsecReceiveAssociation\0",
         .fill_message_create = netdev_macsec_fill_message_create,
         .post_create = netdev_macsec_configure,
         .done = macsec_done,
diff --git a/src/network/netdev/macvlan.c b/src/network/netdev/macvlan.c
index fe596c295a..dbe25e9e34 100644
--- a/src/network/netdev/macvlan.c
+++ b/src/network/netdev/macvlan.c
@@ -58,7 +58,7 @@ static void macvlan_init(NetDev *n) {
 const NetDevVTable macvtap_vtable = {
         .object_size = sizeof(MacVlan),
         .init = macvlan_init,
-        .sections = "Match\0NetDev\0MACVTAP\0",
+        .sections = NETDEV_COMMON_SECTIONS "MACVTAP\0",
         .fill_message_create = netdev_macvlan_fill_message_create,
         .create_type = NETDEV_CREATE_STACKED,
         .generate_mac = true,
@@ -67,7 +67,7 @@ const NetDevVTable macvtap_vtable = {
 const NetDevVTable macvlan_vtable = {
         .object_size = sizeof(MacVlan),
         .init = macvlan_init,
-        .sections = "Match\0NetDev\0MACVLAN\0",
+        .sections = NETDEV_COMMON_SECTIONS "MACVLAN\0",
         .fill_message_create = netdev_macvlan_fill_message_create,
         .create_type = NETDEV_CREATE_STACKED,
         .generate_mac = true,
diff --git a/src/network/netdev/netdev.c b/src/network/netdev/netdev.c
index 6908c4e811..423750a6a0 100644
--- a/src/network/netdev/netdev.c
+++ b/src/network/netdev/netdev.c
@@ -682,9 +682,9 @@ int netdev_load_one(Manager *manager, const char *filename) {
 
         dropin_dirname = strjoina(basename(filename), ".d");
         r = config_parse_many(filename, NETWORK_DIRS, dropin_dirname,
-                              "Match\0NetDev\0",
+                              NETDEV_COMMON_SECTIONS NETDEV_OTHER_SECTIONS,
                               config_item_perf_lookup, network_netdev_gperf_lookup,
-                              CONFIG_PARSE_WARN|CONFIG_PARSE_RELAXED, netdev_raw);
+                              CONFIG_PARSE_WARN, netdev_raw);
         if (r < 0)
                 return r;
 
diff --git a/src/network/netdev/netdev.h b/src/network/netdev/netdev.h
index 8d16ec5769..078d0aca4f 100644
--- a/src/network/netdev/netdev.h
+++ b/src/network/netdev/netdev.h
@@ -8,6 +8,35 @@
 #include "networkd-link.h"
 #include "time-util.h"
 
+#define NETDEV_COMMON_SECTIONS "Match\0NetDev\0"
+/* This is the list of known sections. We need to ignore them in the initial parsing phase. */
+#define NETDEV_OTHER_SECTIONS                     \
+        "-Bond\0"                                 \
+        "-Bridge\0"                               \
+        "-FooOverUDP\0"                           \
+        "-GENEVE\0"                               \
+        "-IPVLAN\0"                               \
+        "-IPVTAP\0"                               \
+        "-L2TP\0"                                 \
+        "-L2TPSession\0"                          \
+        "-MACsec\0"                               \
+        "-MACsecReceiveChannel\0"                 \
+        "-MACsecTransmitAssociation\0"            \
+        "-MACsecReceiveAssociation\0"             \
+        "-MACVTAP\0"                              \
+        "-MACVLAN\0"                              \
+        "-Tunnel\0"                               \
+        "-Tun\0"                                  \
+        "-Tap\0"                                  \
+        "-Peer\0"                                 \
+        "-VLAN\0"                                 \
+        "-VRF\0"                                  \
+        "-VXCAN\0"                                \
+        "-VXLAN\0"                                \
+        "-WireGuard\0"                            \
+        "-WireGuardPeer\0"                        \
+        "-Xfrm\0"
+
 typedef struct netdev_join_callback netdev_join_callback;
 
 struct netdev_join_callback {
diff --git a/src/network/netdev/netdevsim.c b/src/network/netdev/netdevsim.c
index 96f3932ccb..bfd2a16035 100644
--- a/src/network/netdev/netdevsim.c
+++ b/src/network/netdev/netdevsim.c
@@ -4,7 +4,7 @@
 
 const NetDevVTable netdevsim_vtable = {
         .object_size = sizeof(NetDevSim),
-        .sections = "Match\0NetDev\0",
+        .sections = NETDEV_COMMON_SECTIONS,
         .create_type = NETDEV_CREATE_INDEPENDENT,
         .generate_mac = true,
 };
diff --git a/src/network/netdev/nlmon.c b/src/network/netdev/nlmon.c
index 3a6179f503..30e49a55ab 100644
--- a/src/network/netdev/nlmon.c
+++ b/src/network/netdev/nlmon.c
@@ -16,7 +16,7 @@ static int netdev_nlmon_verify(NetDev *netdev, const char *filename) {
 
 const NetDevVTable nlmon_vtable = {
         .object_size = sizeof(NLMon),
-        .sections = "Match\0NetDev\0",
+        .sections = NETDEV_COMMON_SECTIONS,
         .create_type = NETDEV_CREATE_INDEPENDENT,
         .config_verify = netdev_nlmon_verify,
 };
diff --git a/src/network/netdev/tunnel.c b/src/network/netdev/tunnel.c
index 8b79051ef5..8b0e3d27ea 100644
--- a/src/network/netdev/tunnel.c
+++ b/src/network/netdev/tunnel.c
@@ -805,7 +805,7 @@ static void ip6tnl_init(NetDev *n) {
 const NetDevVTable ipip_vtable = {
         .object_size = sizeof(Tunnel),
         .init = ipip_sit_init,
-        .sections = "Match\0NetDev\0Tunnel\0",
+        .sections = NETDEV_COMMON_SECTIONS "Tunnel\0",
         .fill_message_create = netdev_ipip_sit_fill_message_create,
         .create_type = NETDEV_CREATE_STACKED,
         .config_verify = netdev_tunnel_verify,
@@ -815,7 +815,7 @@ const NetDevVTable ipip_vtable = {
 const NetDevVTable sit_vtable = {
         .object_size = sizeof(Tunnel),
         .init = ipip_sit_init,
-        .sections = "Match\0NetDev\0Tunnel\0",
+        .sections = NETDEV_COMMON_SECTIONS "Tunnel\0",
         .fill_message_create = netdev_ipip_sit_fill_message_create,
         .create_type = NETDEV_CREATE_STACKED,
         .config_verify = netdev_tunnel_verify,
@@ -825,7 +825,7 @@ const NetDevVTable sit_vtable = {
 const NetDevVTable vti_vtable = {
         .object_size = sizeof(Tunnel),
         .init = vti_init,
-        .sections = "Match\0NetDev\0Tunnel\0",
+        .sections = NETDEV_COMMON_SECTIONS "Tunnel\0",
         .fill_message_create = netdev_vti_fill_message_create,
         .create_type = NETDEV_CREATE_STACKED,
         .config_verify = netdev_tunnel_verify,
@@ -835,7 +835,7 @@ const NetDevVTable vti_vtable = {
 const NetDevVTable vti6_vtable = {
         .object_size = sizeof(Tunnel),
         .init = vti_init,
-        .sections = "Match\0NetDev\0Tunnel\0",
+        .sections = NETDEV_COMMON_SECTIONS "Tunnel\0",
         .fill_message_create = netdev_vti_fill_message_create,
         .create_type = NETDEV_CREATE_STACKED,
         .config_verify = netdev_tunnel_verify,
@@ -845,7 +845,7 @@ const NetDevVTable vti6_vtable = {
 const NetDevVTable gre_vtable = {
         .object_size = sizeof(Tunnel),
         .init = gre_erspan_init,
-        .sections = "Match\0NetDev\0Tunnel\0",
+        .sections = NETDEV_COMMON_SECTIONS "Tunnel\0",
         .fill_message_create = netdev_gre_erspan_fill_message_create,
         .create_type = NETDEV_CREATE_STACKED,
         .config_verify = netdev_tunnel_verify,
@@ -855,7 +855,7 @@ const NetDevVTable gre_vtable = {
 const NetDevVTable gretap_vtable = {
         .object_size = sizeof(Tunnel),
         .init = gre_erspan_init,
-        .sections = "Match\0NetDev\0Tunnel\0",
+        .sections = NETDEV_COMMON_SECTIONS "Tunnel\0",
         .fill_message_create = netdev_gre_erspan_fill_message_create,
         .create_type = NETDEV_CREATE_STACKED,
         .config_verify = netdev_tunnel_verify,
@@ -865,7 +865,7 @@ const NetDevVTable gretap_vtable = {
 const NetDevVTable ip6gre_vtable = {
         .object_size = sizeof(Tunnel),
         .init = ip6gre_init,
-        .sections = "Match\0NetDev\0Tunnel\0",
+        .sections = NETDEV_COMMON_SECTIONS "Tunnel\0",
         .fill_message_create = netdev_ip6gre_fill_message_create,
         .create_type = NETDEV_CREATE_STACKED,
         .config_verify = netdev_tunnel_verify,
@@ -875,7 +875,7 @@ const NetDevVTable ip6gre_vtable = {
 const NetDevVTable ip6gretap_vtable = {
         .object_size = sizeof(Tunnel),
         .init = ip6gre_init,
-        .sections = "Match\0NetDev\0Tunnel\0",
+        .sections = NETDEV_COMMON_SECTIONS "Tunnel\0",
         .fill_message_create = netdev_ip6gre_fill_message_create,
         .create_type = NETDEV_CREATE_STACKED,
         .config_verify = netdev_tunnel_verify,
@@ -885,7 +885,7 @@ const NetDevVTable ip6gretap_vtable = {
 const NetDevVTable ip6tnl_vtable = {
         .object_size = sizeof(Tunnel),
         .init = ip6tnl_init,
-        .sections = "Match\0NetDev\0Tunnel\0",
+        .sections = NETDEV_COMMON_SECTIONS "Tunnel\0",
         .fill_message_create = netdev_ip6tnl_fill_message_create,
         .create_type = NETDEV_CREATE_STACKED,
         .config_verify = netdev_tunnel_verify,
@@ -895,7 +895,7 @@ const NetDevVTable ip6tnl_vtable = {
 const NetDevVTable erspan_vtable = {
         .object_size = sizeof(Tunnel),
         .init = gre_erspan_init,
-        .sections = "Match\0NetDev\0Tunnel\0",
+        .sections = NETDEV_COMMON_SECTIONS "Tunnel\0",
         .fill_message_create = netdev_gre_erspan_fill_message_create,
         .create_type = NETDEV_CREATE_STACKED,
         .config_verify = netdev_tunnel_verify,
diff --git a/src/network/netdev/tuntap.c b/src/network/netdev/tuntap.c
index ce69ef4124..aef72e7bbb 100644
--- a/src/network/netdev/tuntap.c
+++ b/src/network/netdev/tuntap.c
@@ -147,7 +147,7 @@ static int tuntap_verify(NetDev *netdev, const char *filename) {
 
 const NetDevVTable tun_vtable = {
         .object_size = sizeof(TunTap),
-        .sections = "Match\0NetDev\0Tun\0",
+        .sections = NETDEV_COMMON_SECTIONS "Tun\0",
         .config_verify = tuntap_verify,
         .done = tuntap_done,
         .create = netdev_create_tuntap,
@@ -156,7 +156,7 @@ const NetDevVTable tun_vtable = {
 
 const NetDevVTable tap_vtable = {
         .object_size = sizeof(TunTap),
-        .sections = "Match\0NetDev\0Tap\0",
+        .sections = NETDEV_COMMON_SECTIONS "Tap\0",
         .config_verify = tuntap_verify,
         .done = tuntap_done,
         .create = netdev_create_tuntap,
diff --git a/src/network/netdev/vcan.c b/src/network/netdev/vcan.c
index 9b3ab48f1a..9a0f87b1e1 100644
--- a/src/network/netdev/vcan.c
+++ b/src/network/netdev/vcan.c
@@ -4,7 +4,7 @@
 
 const NetDevVTable vcan_vtable = {
         .object_size = sizeof(VCan),
-        .sections = "Match\0NetDev\0",
+        .sections = NETDEV_COMMON_SECTIONS,
         .create_type = NETDEV_CREATE_INDEPENDENT,
         .generate_mac = true,
 };
diff --git a/src/network/netdev/veth.c b/src/network/netdev/veth.c
index 4ed9e81511..98bbe86819 100644
--- a/src/network/netdev/veth.c
+++ b/src/network/netdev/veth.c
@@ -85,7 +85,7 @@ static void veth_done(NetDev *n) {
 
 const NetDevVTable veth_vtable = {
         .object_size = sizeof(Veth),
-        .sections = "Match\0NetDev\0Peer\0",
+        .sections = NETDEV_COMMON_SECTIONS "Peer\0",
         .done = veth_done,
         .fill_message_create = netdev_veth_fill_message_create,
         .create_type = NETDEV_CREATE_INDEPENDENT,
diff --git a/src/network/netdev/vlan.c b/src/network/netdev/vlan.c
index 1b4e5bc2d3..902aa804ff 100644
--- a/src/network/netdev/vlan.c
+++ b/src/network/netdev/vlan.c
@@ -85,7 +85,7 @@ static void vlan_init(NetDev *netdev) {
 const NetDevVTable vlan_vtable = {
         .object_size = sizeof(VLan),
         .init = vlan_init,
-        .sections = "Match\0NetDev\0VLAN\0",
+        .sections = NETDEV_COMMON_SECTIONS "VLAN\0",
         .fill_message_create = netdev_vlan_fill_message_create,
         .create_type = NETDEV_CREATE_STACKED,
         .config_verify = netdev_vlan_verify,
diff --git a/src/network/netdev/vrf.c b/src/network/netdev/vrf.c
index dc7a967230..a8ed3fadcb 100644
--- a/src/network/netdev/vrf.c
+++ b/src/network/netdev/vrf.c
@@ -25,7 +25,7 @@ static int netdev_vrf_fill_message_create(NetDev *netdev, Link *link, sd_netlink
 
 const NetDevVTable vrf_vtable = {
         .object_size = sizeof(Vrf),
-        .sections = "Match\0NetDev\0VRF\0",
+        .sections = NETDEV_COMMON_SECTIONS "VRF\0",
         .fill_message_create = netdev_vrf_fill_message_create,
         .create_type = NETDEV_CREATE_MASTER,
         .generate_mac = true,
diff --git a/src/network/netdev/vxcan.c b/src/network/netdev/vxcan.c
index d1c3f091c3..1a5786a0b7 100644
--- a/src/network/netdev/vxcan.c
+++ b/src/network/netdev/vxcan.c
@@ -65,7 +65,7 @@ static void vxcan_done(NetDev *n) {
 
 const NetDevVTable vxcan_vtable = {
         .object_size = sizeof(VxCan),
-        .sections = "Match\0NetDev\0VXCAN\0",
+        .sections = NETDEV_COMMON_SECTIONS "VXCAN\0",
         .done = vxcan_done,
         .fill_message_create = netdev_vxcan_fill_message_create,
         .create_type = NETDEV_CREATE_INDEPENDENT,
diff --git a/src/network/netdev/vxlan.c b/src/network/netdev/vxlan.c
index 92f6005dcd..ace3c5d2ed 100644
--- a/src/network/netdev/vxlan.c
+++ b/src/network/netdev/vxlan.c
@@ -371,7 +371,7 @@ static void vxlan_init(NetDev *netdev) {
 const NetDevVTable vxlan_vtable = {
         .object_size = sizeof(VxLan),
         .init = vxlan_init,
-        .sections = "Match\0NetDev\0VXLAN\0",
+        .sections = NETDEV_COMMON_SECTIONS "VXLAN\0",
         .fill_message_create = netdev_vxlan_fill_message_create,
         .create_type = NETDEV_CREATE_STACKED,
         .config_verify = netdev_vxlan_verify,
diff --git a/src/network/netdev/wireguard.c b/src/network/netdev/wireguard.c
index 4a1228584d..71ff41d574 100644
--- a/src/network/netdev/wireguard.c
+++ b/src/network/netdev/wireguard.c
@@ -967,7 +967,7 @@ static int wireguard_verify(NetDev *netdev, const char *filename) {
 
 const NetDevVTable wireguard_vtable = {
         .object_size = sizeof(Wireguard),
-        .sections = "Match\0NetDev\0WireGuard\0WireGuardPeer\0",
+        .sections = NETDEV_COMMON_SECTIONS "WireGuard\0WireGuardPeer\0",
         .post_create = netdev_wireguard_post_create,
         .init = wireguard_init,
         .done = wireguard_done,
diff --git a/src/network/netdev/xfrm.c b/src/network/netdev/xfrm.c
index 7157af4df3..ff8ff35689 100644
--- a/src/network/netdev/xfrm.c
+++ b/src/network/netdev/xfrm.c
@@ -27,7 +27,7 @@ static int xfrm_fill_message_create(NetDev *netdev, Link *link, sd_netlink_messa
 
 const NetDevVTable xfrm_vtable = {
         .object_size = sizeof(Xfrm),
-        .sections = "Match\0NetDev\0Xfrm\0",
+        .sections = NETDEV_COMMON_SECTIONS "Xfrm\0",
         .fill_message_create = xfrm_fill_message_create,
         .create_type = NETDEV_CREATE_STACKED
 };