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Rename services.openssh.knownHosts -> programs.ssh.knownHosts

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This option configures the SSH client, not the server.
This commit is contained in:
Eelco Dolstra 2015-08-27 15:24:14 +02:00
parent f15270833a
commit 287c08d8a3
3 changed files with 75 additions and 79 deletions
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74
nixos/modules/programs/ssh.nix
View file

@ -18,6 +18,14 @@ let
exec ${askPassword}
'';
knownHosts = map (h: getAttr h cfg.knownHosts) (attrNames cfg.knownHosts);
knownHostsText = flip (concatMapStringsSep "\n") knownHosts
(h:
concatStringsSep "," h.hostNames + " "
+ (if h.publicKey != null then h.publicKey else readFile h.publicKeyFile)
);
in
{
###### interface
@ -92,16 +100,72 @@ in
'';
};
knownHosts = mkOption {
default = {};
type = types.loaOf types.optionSet;
description = ''
The set of system-wide known SSH hosts.
'';
example = [
{
hostNames = [ "myhost" "myhost.mydomain.com" "10.10.1.4" ];
publicKeyFile = literalExample "./pubkeys/myhost_ssh_host_dsa_key.pub";
}
{
hostNames = [ "myhost2" ];
publicKeyFile = literalExample "./pubkeys/myhost2_ssh_host_dsa_key.pub";
}
];
options = {
hostNames = mkOption {
type = types.listOf types.str;
default = [];
description = ''
A list of host names and/or IP numbers used for accessing
the host's ssh service.
'';
};
publicKey = mkOption {
default = null;
type = types.nullOr types.str;
example = "ecdsa-sha2-nistp521 AAAAE2VjZHN...UEPg==";
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. The public key should not include any host names, only
the key type and the key itself.
'';
};
publicKeyFile = mkOption {
default = null;
type = types.nullOr types.path;
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.
You can fetch a public key file from a running SSH server
with the <command>ssh-keyscan</command> command. The content
of the file should follow the same format as described for
the <literal>publicKey</literal> option.
'';
};
};
};
};
};
config = {
assertions = singleton
{ assertion = cfg.forwardX11 -> cfg.setXAuthLocation;
message = "cannot enable X11 forwarding without setting XAuth location";
};
assertions =
[ { assertion = cfg.forwardX11 -> cfg.setXAuthLocation;
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";
});
# SSH configuration. Slight duplication of the sshd_config
# generation in the sshd service.
@ -118,6 +182,8 @@ in
${cfg.extraConfig}
'';
environment.etc."ssh/ssh_known_hosts".text = knownHostsText;
# FIXME: this should really be socket-activated for über-awesomeness.
systemd.user.services.ssh-agent =
{ enable = cfg.startAgent;

1
nixos/modules/rename.nix
View file

@ -110,6 +110,7 @@ in zipModules ([]
++ obsolete [ "services" "sshd" "permitRootLogin" ] [ "services" "openssh" "permitRootLogin" ]
++ obsolete [ "services" "xserver" "startSSHAgent" ] [ "services" "xserver" "startOpenSSHAgent" ]
++ obsolete [ "services" "xserver" "startOpenSSHAgent" ] [ "programs" "ssh" "startAgent" ]
++ alias [ "services" "openssh" "knownHosts" ] [ "programs" "ssh" "knownHosts" ]
# VirtualBox
++ obsolete [ "services" "virtualbox" "enable" ] [ "virtualisation" "virtualbox" "guest" "enable" ]

79
nixos/modules/services/networking/ssh/sshd.nix
View file

@ -9,14 +9,6 @@ let
nssModulesPath = config.system.nssModules.path;
knownHosts = map (h: getAttr h cfg.knownHosts) (attrNames cfg.knownHosts);
knownHostsText = flip (concatMapStringsSep "\n") knownHosts
(h:
concatStringsSep "," h.hostNames + " "
+ (if h.publicKey != null then h.publicKey else readFile h.publicKeyFile)
);
userOptions = {
openssh.authorizedKeys = {
@ -48,8 +40,7 @@ let
};
authKeysFiles = let
mkAuthKeyFile = u: {
target = "ssh/authorized_keys.d/${u.name}";
mkAuthKeyFile = u: nameValuePair "ssh/authorized_keys.d/${u.name}" {
mode = "0444";
source = pkgs.writeText "${u.name}-authorized_keys" ''
${concatStringsSep "\n" u.openssh.authorizedKeys.keys}
@ -59,7 +50,7 @@ let
usersWithKeys = attrValues (flip filterAttrs config.users.extraUsers (n: u:
length u.openssh.authorizedKeys.keys != 0 || length u.openssh.authorizedKeys.keyFiles != 0
));
in map mkAuthKeyFile usersWithKeys;
in listToAttrs (map mkAuthKeyFile usersWithKeys);
in
@ -211,57 +202,6 @@ in
description = "Verbatim contents of <filename>sshd_config</filename>.";
};
knownHosts = mkOption {
default = {};
type = types.loaOf types.optionSet;
description = ''
The set of system-wide known SSH hosts.
'';
example = [
{
hostNames = [ "myhost" "myhost.mydomain.com" "10.10.1.4" ];
publicKeyFile = literalExample "./pubkeys/myhost_ssh_host_dsa_key.pub";
}
{
hostNames = [ "myhost2" ];
publicKeyFile = literalExample "./pubkeys/myhost2_ssh_host_dsa_key.pub";
}
];
options = {
hostNames = mkOption {
type = types.listOf types.str;
default = [];
description = ''
A list of host names and/or IP numbers used for accessing
the host's ssh service.
'';
};
publicKey = mkOption {
default = null;
type = types.nullOr types.str;
example = "ecdsa-sha2-nistp521 AAAAE2VjZHN...UEPg==";
description = ''
The public key data for the host. You can fetch a public key
from a running SSH server with the <command>ssh-keyscan</command>
command. The public key should not include any host names, only
the key type and the key itself.
'';
};
publicKeyFile = mkOption {
default = null;
type = types.nullOr types.path;
description = ''
The path to the public key file for the host. The public
key file is read at build time and saved in the Nix store.
You can fetch a public key file from a running SSH server
with the <command>ssh-keyscan</command> command. The content
of the file should follow the same format as described for
the <literal>publicKey</literal> option.
'';
};
};
};
moduliFile = mkOption {
example = "services.openssh.moduliFile = /etc/my-local-ssh-moduli;";
type = types.path;
@ -292,14 +232,8 @@ in
services.openssh.moduliFile = mkDefault "${cfgc.package}/etc/ssh/moduli";
environment.etc = authKeysFiles ++ [
{ source = cfg.moduliFile;
target = "ssh/moduli";
}
{ text = knownHostsText;
target = "ssh/ssh_known_hosts";
}
];
environment.etc = authKeysFiles //
{ "ssh/moduli".source = cfg.moduliFile; };
systemd =
let
@ -417,11 +351,6 @@ in
assertions = [{ assertion = if cfg.forwardX11 then cfgc.setXAuthLocation else true;
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";
})
++ flip map cfg.listenAddresses ({ addr, port, ... }: {
assertion = addr != null;
message = "addr must be specified in each listenAddresses entry";