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authortv <tv@shackspace.de>2015-10-09 13:18:21 +0200
committertv <tv@shackspace.de>2015-10-09 13:18:21 +0200
commitf1cc52aeaf6c18afb1c79c08914471ff73943a77 (patch)
tree8835ffdf434da56e658efa11cf6766d3df883d8d /krebs/3modules/default.nix
parent9ae6d1611ef8cd8479235ac91272e694080b9d89 (diff)
known_hosts: GitHub is 192.30.252.0/22
Diffstat (limited to 'krebs/3modules/default.nix')
-rw-r--r--krebs/3modules/default.nix23
1 files changed, 16 insertions, 7 deletions
diff --git a/krebs/3modules/default.nix b/krebs/3modules/default.nix
index eeb3acdcb..69613d4c3 100644
--- a/krebs/3modules/default.nix
+++ b/krebs/3modules/default.nix
@@ -137,13 +137,22 @@ let
mkIf (privkey != null) (mkForce [privkey]);
services.openssh.knownHosts =
- {
- github = {
- hostNames = ["github.com"] ++
- map (i: "192.30.252.${toString i}") (range 0 255);
- publicKey = "ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAQEAq2A7hRGmdnm9tUDbO9IDSwBK6TbQa+PXYPCPy6rbTrTtw7PHkccKrpp0yVhp5HdEIcKr6pLlVDBfOLX9QUsyCOV0wzfjIJNlGEYsdlLJizHhbn2mUjvSAHQqZETYP81eFzLQNnPHt4EVVUh7VfDESU84KezmD5QlWpXLmvU31/yMf+Se8xhHTvKSCZIFImWwoG6mbUoWf9nzpIoaSjB+weqqUUmpaaasXVal72J+UX2B+2RPW3RcT0eOzQgqlJL3RKrTJvdsjE3JEAvGq3lGHSZXy28G3skua2SmVi/w4yCE6gbODqnTWlg7+wC604ydGXA8VJiS5ap43JXiUFFAaQ==";
- };
- } //
+ # GitHub's IPv4 address range is 192.30.252.0/22
+ # Refs https://help.github.com/articles/what-ip-addresses-does-github-use-that-i-should-whitelist/
+ # 192.30.252.0/22 = 192.30.252.0-192.30.255.255 (1024 addresses)
+ # Because line length is limited by OPENSSH_LINE_MAX (= 8192),
+ # we split each /24 into its own entry.
+ listToAttrs (map
+ (c: {
+ name = "github${toString c}";
+ value = {
+ hostNames = ["github.com"] ++
+ map (d: "192.30.${toString c}.${toString d}") (range 0 255);
+ publicKey = "ssh-rsa AAAAB3NzaC1yc2EAAAABIwAAAQEAq2A7hRGmdnm9tUDbO9IDSwBK6TbQa+PXYPCPy6rbTrTtw7PHkccKrpp0yVhp5HdEIcKr6pLlVDBfOLX9QUsyCOV0wzfjIJNlGEYsdlLJizHhbn2mUjvSAHQqZETYP81eFzLQNnPHt4EVVUh7VfDESU84KezmD5QlWpXLmvU31/yMf+Se8xhHTvKSCZIFImWwoG6mbUoWf9nzpIoaSjB+weqqUUmpaaasXVal72J+UX2B+2RPW3RcT0eOzQgqlJL3RKrTJvdsjE3JEAvGq3lGHSZXy28G3skua2SmVi/w4yCE6gbODqnTWlg7+wC604ydGXA8VJiS5ap43JXiUFFAaQ==";
+ };
+ })
+ (range 252 255))
+ //
mapAttrs
(name: host: {
hostNames =