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ssh: Support knownHost public keys as strings

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This commit is contained in:
William A. Kennington III 2014-04-27 17:01:06 -05:00
parent 65a78e16f1
commit 78c33177ce
1 changed files with 20 additions and 4 deletions
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24
nixos/modules/services/networking/ssh/sshd.nix
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@ -18,9 +18,9 @@ let
knownHosts = map (h: getAttr h cfg.knownHosts) (attrNames cfg.knownHosts);
knownHostsFile = pkgs.writeText "ssh_known_hosts" (
flip concatMapStrings knownHosts (h:
"${concatStringsSep "," h.hostNames} ${readFile h.publicKeyFile}"
)
flip concatMapStrings knownHosts (h: ''
${concatStringsSep "," h.hostNames} ${if h.publicKey != null then h.publicKey else readFile h.publicKeyFile}
'')
);
userOptions = {
@ -218,7 +218,18 @@ in
the host's ssh service.
'';
};
publicKey = mkOption {
default = null;
type = types.nullOr types.string;
description = ''
The public key data for the host. You can fetch a public key
from a running SSH server with the <command>ssh-keyscan</command>
command.
'';
};
publicKeyFile = mkOption {
default = null;
type = types.nullOr types.unspecified;
description = ''
The path to the public key file for the host. The public
key file is read at build time and saved in the Nix store.
@ -367,7 +378,12 @@ in
'';
assertions = [{ assertion = if cfg.forwardX11 then cfgc.setXAuthLocation else true;
message = "cannot enable X11 forwarding without setting xauth location";}];
message = "cannot enable X11 forwarding without setting xauth location";}]
++ flip mapAttrsToList cfg.knownHosts (name: data: {
assertion = (data.publicKey == null && data.publicKeyFile != null) ||
(data.publicKey != null && data.publicKeyFile == null);
message = "knownHost ${name} must contain either a publicKey or publicKeyFile";
});
};