diff options
author | Florian Jacob <projects+git@florianjacob.de> | 2017-10-05 15:05:30 +0200 |
---|---|---|
committer | Florian Jacob <projects+git@florianjacob.de> | 2017-10-05 15:49:49 +0200 |
commit | 6091e2aa3355ac0cab30ef024b9d977111d479d8 (patch) | |
tree | c14606b87fe5eef2de6bc23c3efd3e837282c36b /nixos/modules | |
parent | 77caf8f5f249d95ae0f3bc3d4e77ed2383ef74c2 (diff) | |
download | nixlib-6091e2aa3355ac0cab30ef024b9d977111d479d8.tar nixlib-6091e2aa3355ac0cab30ef024b9d977111d479d8.tar.gz nixlib-6091e2aa3355ac0cab30ef024b9d977111d479d8.tar.bz2 nixlib-6091e2aa3355ac0cab30ef024b9d977111d479d8.tar.lz nixlib-6091e2aa3355ac0cab30ef024b9d977111d479d8.tar.xz nixlib-6091e2aa3355ac0cab30ef024b9d977111d479d8.tar.zst nixlib-6091e2aa3355ac0cab30ef024b9d977111d479d8.zip |
nixos/network-interfaces: assertion for too long interface names
Diffstat (limited to 'nixos/modules')
-rw-r--r-- | nixos/modules/tasks/network-interfaces.nix | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/nixos/modules/tasks/network-interfaces.nix b/nixos/modules/tasks/network-interfaces.nix index 8ce7b2d2cf36..1741d2c7e1f7 100644 --- a/nixos/modules/tasks/network-interfaces.nix +++ b/nixos/modules/tasks/network-interfaces.nix @@ -924,6 +924,14 @@ in (flip map interfaces (i: { assertion = i.subnetMask == null; message = "The networking.interfaces.${i.name}.subnetMask option is defunct. Use prefixLength instead."; + })) ++ (flip map interfaces (i: { + # With the linux kernel, interface name length is limited by IFNAMSIZ + # to 16 bytes, including the trailing null byte. + # See include/linux/if.h in the kernel sources + assertion = stringLength i.name < 16; + message = '' + The name of networking.interfaces."${i.name}" is too long, it needs to be less than 16 characters. + ''; })) ++ (flip map slaveIfs (i: { assertion = i.ip4 == [ ] && i.ipAddress == null && i.ip6 == [ ] && i.ipv6Address == null; message = "The networking.interfaces.${i.name} must not have any defined ips when it is a slave."; |