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Add user option ‘isAlias’ to allow one user account to alias another

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This commit is contained in:
Eelco Dolstra 2012-10-23 13:35:06 +02:00
parent c8628e0293
commit 7efde0740e
1 changed files with 33 additions and 25 deletions
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18
modules/config/users-groups.nix
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@ -86,6 +86,12 @@ let
"; ";
}; };
isAlias = mkOption {
type = types.bool;
default = false;
description = "If true, the UID of this user is not required to be unique and can thus alias another user.";
};
}; };
config = { config = {
@ -122,12 +128,12 @@ let
# Note: the 'X' in front of the password is to distinguish between # Note: the 'X' in front of the password is to distinguish between
# having an empty password, and not having a password. # having an empty password, and not having a password.
serializedUser = userName: let u = getAttr userName config.users.extraUsers; in "${u.name}\n${u.description}\n${if u.uid != null then toString u.uid else ""}\n${u.group}\n${toString (concatStringsSep "," u.extraGroups)}\n${u.home}\n${u.shell}\n${toString u.createHome}\n${if u.password != null then "X" + u.password else ""}\n${toString u.isSystemUser}\n${if u.createUser then "yes" else "no"}\n"; serializedUser = u: "${u.name}\n${u.description}\n${if u.uid != null then toString u.uid else ""}\n${u.group}\n${toString (concatStringsSep "," u.extraGroups)}\n${u.home}\n${u.shell}\n${toString u.createHome}\n${if u.password != null then "X" + u.password else ""}\n${toString u.isSystemUser}\n${toString u.createUser}\n${toString u.isAlias}\n";
# keep this extra file so that cat can be used to pass special chars such as "`" which is used in the avahi daemon
usersFile = pkgs.writeText "users" ( usersFile = pkgs.writeText "users" (
concatMapStrings serializedUser (attrNames config.users.extraUsers) let
); p = partition (u: u.isAlias) (attrValues config.users.extraUsers);
in concatStrings (map serializedUser p.wrong ++ map serializedUser p.right));
in in
@ -243,8 +249,9 @@ in
read password read password
read isSystemUser read isSystemUser
read createUser read createUser
read isAlias
if ! test "$createUser" = "yes"; then if [ -z "$createUser" ]; then
continue continue
fi fi
@ -257,6 +264,7 @@ in
--home "$home" \ --home "$home" \
--shell "$shell" \ --shell "$shell" \
''${createHome:+--create-home} \ ''${createHome:+--create-home} \
''${isAlias:+--non-unique} \
"$name" "$name"
if test "''${password:0:1}" = 'X'; then if test "''${password:0:1}" = 'X'; then
(echo "''${password:1}"; echo "''${password:1}") | ${pkgs.shadow}/bin/passwd "$name" (echo "''${password:1}"; echo "''${password:1}") | ${pkgs.shadow}/bin/passwd "$name"