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{pkgs, config, ...}:
###### interface
let
inherit (pkgs.lib) mkOption mkIf;
options = {
users = {
ldap = {
enable = mkOption {
default = false;
description = "
Whether to enable authentication against an LDAP server.
";
};
server = mkOption {
example = "ldap://ldap.example.org/";
description = "
The URL of the LDAP server.
";
};
base = mkOption {
example = "dc=example,dc=org";
description = "
The distinguished name of the search base.
";
};
useTLS = mkOption {
default = false;
description = "
If enabled, use TLS (encryption) over an LDAP (port 389)
connection. The alternative is to specify an LDAPS server (port
636) in <option>users.ldap.server</option> or to forego
security.
";
};
};
};
};
in
###### implementation
mkIf config.users.ldap.enable {
require = [
options
];
# LDAP configuration.
environment = {
etc = [
# Careful: OpenLDAP seems to be very picky about the indentation of
# this file. Directives HAVE to start in the first column!
{ source = pkgs.writeText "ldap.conf"
''
uri ${config.users.ldap.server}
base ${config.users.ldap.base}
${if config.users.ldap.useTLS then ''
ssl start_tls
tls_checkpeer no
'' else ""}
'';
target = "ldap.conf";
}
];
};
}