nixos/taskserver: Factor out nixos-taskdctl
With a cluttered up module source it's really a pain to navigate through it, so it's a good idea to put it into another file. No changes in functionality here, just splitting up the files and fixing references. Signed-off-by: aszlig <aszlig@redmoonstudios.org>
This commit is contained in:
aszlig
parent
61b8d9ebe0
commit
78925e4a90
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@ -249,7 +249,7 @@
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./services/misc/sundtek.nix
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./services/misc/svnserve.nix
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./services/misc/synergy.nix
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./services/misc/taskserver.nix
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./services/misc/taskserver
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./services/misc/uhub.nix
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./services/misc/zookeeper.nix
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./services/monitoring/apcupsd.nix
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@ -59,43 +59,6 @@ let
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''}
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'';
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genClientKey = ''
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umask 0077
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if tmpdir="$(${pkgs.coreutils}/bin/mktemp -d)"; then
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trap "rm -rf '$tmpdir'" EXIT
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${pkgs.gnutls}/bin/certtool -p --bits 2048 --outfile "$tmpdir/key"
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cat > "$tmpdir/template" <<-\ \ EOF
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organization = $organisation
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cn = ${cfg.server.fqdn}
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tls_www_client
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encryption_key
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signing_key
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EOF
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${pkgs.gnutls}/bin/certtool -c \
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--load-privkey "$tmpdir/key" \
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--load-ca-privkey "${cfg.dataDir}/keys/ca.key" \
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--load-ca-certificate "${cfg.dataDir}/keys/ca.cert" \
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--template "$tmpdir/template" \
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--outfile "$tmpdir/cert"
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mkdir -m 0700 -p "${cfg.dataDir}/keys/user/$organisation/$user"
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chown root:root "${cfg.dataDir}/keys/user/$organisation/$user"
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cat "$tmpdir/key" \
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> "${cfg.dataDir}/keys/user/$organisation/$user/private.key"
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cat "$tmpdir/cert" \
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> "${cfg.dataDir}/keys/user/$organisation/$user/public.cert"
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rm -rf "$tmpdir"
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trap - EXIT
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else
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echo "Unable to create temporary directory for client" \
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"certificate creation." >&2
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exit 1
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fi
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'';
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orgOptions = { name, ... }: {
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options.users = mkOption {
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type = types.uniq (types.listOf types.str);
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@ -117,290 +80,12 @@ let
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};
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mkShellStr = val: "'${replaceStrings ["'"] ["'\\''"] val}'";
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mkShellName = replaceStrings ["-"] ["_"];
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mkSubCommand = name: { args, description, script }: let
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mkArg = pos: arg: "local ${arg}=\"\$${toString pos}\"";
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mkDesc = line: "echo ${mkShellStr " ${line}"} >&2";
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usagePosArgs = concatMapStringsSep " " (a: "<${a}>") args;
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in ''
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subcmd_${mkShellName name}() {
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${concatImapStringsSep "\n " mkArg args}
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${script}
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}
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usage_${mkShellName name}() {
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echo " nixos-taskdctl ${name} ${usagePosArgs}" >&2
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${concatMapStringsSep "\n " mkDesc description}
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}
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'';
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mkCStr = val: "\"${escape ["\\" "\""] val}\"";
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taskdUser = let
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runUser = pkgs.writeText "runuser.c" ''
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#include <sys/types.h>
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#include <pwd.h>
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#include <grp.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <errno.h>
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#include <unistd.h>
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int main(int argc, char **argv) {
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struct passwd *userinfo;
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struct group *groupinfo;
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errno = 0;
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if ((userinfo = getpwnam(${mkCStr cfg.user})) == NULL) {
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if (errno == 0)
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fputs(${mkCStr "User name `${cfg.user}' not found."}, stderr);
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else
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perror("getpwnam");
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return EXIT_FAILURE;
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}
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errno = 0;
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if ((groupinfo = getgrnam(${mkCStr cfg.group})) == NULL) {
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if (errno == 0)
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fputs(${mkCStr "Group name `${cfg.group}' not found."}, stderr);
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else
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perror("getgrnam");
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return EXIT_FAILURE;
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}
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if (setgid(groupinfo->gr_gid) == -1) {
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perror("setgid");
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return EXIT_FAILURE;
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}
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if (setuid(userinfo->pw_uid) == -1) {
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perror("setgid");
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return EXIT_FAILURE;
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}
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argv[0] = "taskd";
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if (execv(${mkCStr taskd}, argv) == -1) {
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perror("execv");
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return EXIT_FAILURE;
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}
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/* never reached */
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return EXIT_SUCCESS;
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}
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'';
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in pkgs.runCommand "taskd-user" {} ''
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cc -Wall -std=c11 "${runUser}" -o "$out"
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'';
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subcommands = {
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list-users = {
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args = [ "organisation" ];
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description = [
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"List all users belonging to the specified organisation."
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];
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script = ''
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legend "The following users exist for $organisation:"
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${pkgs.findutils}/bin/find \
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"${cfg.dataDir}/orgs/$organisation/users" \
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-mindepth 2 -maxdepth 2 -name config \
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-exec ${pkgs.gnused}/bin/sed -ne 's/^user *= *//p' {} +
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'';
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};
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list-orgs = {
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args = [];
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description = [
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"List available organisations"
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];
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script = ''
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legend "The following organisations exist:"
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${pkgs.findutils}/bin/find \
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"${cfg.dataDir}/orgs" -mindepth 1 -maxdepth 1 \
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-type d
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'';
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};
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get-uuid = {
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args = [ "organisation" "user" ];
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description = [
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"Get the UUID of the specified user belonging to the specified"
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"organisation."
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];
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script = ''
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for uuid in "${cfg.dataDir}/orgs/$organisation/users"/*; do
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usr="$(${pkgs.gnused}/bin/sed -ne 's/^user *= *//p' "$uuid/config")"
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if [ "$usr" = "$user" ]; then
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legend "User $user has the following UUID:"
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echo "$(${pkgs.coreutils}/bin/basename "$uuid")"
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exit 0
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fi
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done
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echo "No UUID found for user $user." >&2
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exit 1
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'';
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};
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export-user = {
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args = [ "organisation" "user" ];
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description = [
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"Export user of the specified organisation as a series of shell"
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"commands that can be used on the client side to easily import"
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"the certificates."
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""
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"Note that the private key will be exported as well, so use this"
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"with care!"
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];
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script = ''
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if ! subcmd_quiet list-users "$organisation" | grep -qxF "$user"; then
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exists "User $user doesn't exist in organisation $organisation."
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fi
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uuid="$(subcmd_quiet get-uuid "$organisation" "$user")" || exit 1
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cat <<COMMANDS
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taskdatadir="\''${TASKDATA:-\$HOME/.task}"
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umask 0077
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mkdir -p "\$taskdatadir/keys"
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cat > "\$taskdatadir/keys/public.cert" <<EOF
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$(cat "${cfg.dataDir}/keys/user/$organisation/$user/public.cert")
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EOF
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cat > "\$taskdatadir/keys/private.key" <<EOF
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$(${pkgs.gnused}/bin/sed -ne '/^---* *BEGIN /,/^---* *END /p' \
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"${cfg.dataDir}/keys/user/$organisation/$user/private.key")
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EOF
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cat > "\$taskdatadir/keys/ca.cert" <<EOF
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$(cat "${cfg.dataDir}/keys/ca.cert")
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EOF
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task config taskd.certificate -- "\$taskdatadir/keys/public.cert"
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task config taskd.key -- "\$taskdatadir/keys/private.key"
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task config taskd.ca -- "\$taskdatadir/keys/ca.cert"
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task config taskd.credentials -- "$organisation/$user/$uuid"
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COMMANDS
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'';
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};
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add-org = {
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args = [ "name" ];
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description = [
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"Create an organisation with the specified name."
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];
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script = ''
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if [ -e "orgs/$name" ]; then
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exists "Organisation with name $name already exists."
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fi
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${taskdUser} add org "$name"
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'';
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};
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add-user = {
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args = [ "organisation" "user" ];
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description = [
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"Create a user for the given organisation and print the UUID along"
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"with the client certificate and key."
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];
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script = ''
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if subcmd list-users "$organisation" | grep -qxF "$user"; then
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exists "User $user already exists in organisation $organisation."
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fi
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${taskdUser} add user "$organisation" "$user"
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${genClientKey}
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'';
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};
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add-group = {
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args = [ "organisation" "group" ];
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description = [
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"Create a group for the given organisation."
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];
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script = ''
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if [ -e "orgs/$organisation/groups/$group" ]; then
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exists "Group $group already exists in organisation $organisation."
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fi
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${taskdUser} add group "$organisation" "$group"
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'';
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};
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nixos-taskdctl = import ./helper-tool.nix {
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inherit pkgs lib mkShellStr taskd;
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config = cfg;
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};
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mkCase = name: { args, ... }: let
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mkPosArg = pos: const "\"\$${toString (pos + 1)}\"";
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cmdArgs = concatImapStringsSep " " mkPosArg args;
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in ''
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${name})
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if [ $# -ne ${toString ((length args) + 1)} ]; then
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echo "Wrong number of arguments to ${name}." >&2
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echo >&2
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usage_${mkShellName name}
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exit 1
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fi
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subcmd "${name}" ${cmdArgs};;
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'';
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nixos-taskdctl = pkgs.writeScriptBin "nixos-taskdctl" ''
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#!${pkgs.stdenv.shell}
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export TASKDDATA=${mkShellStr cfg.dataDir}
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quiet=0
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# Deliberately undocumented, because we don't want people to use this as
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# it's only used in and specific to the preStart script of the Taskserver
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# service.
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if [ "$1" = "--service-helper" ]; then
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quiet=1
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exists() {
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exit 0
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}
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shift
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else
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exists() {
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echo "$@" >&2
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exit 1
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}
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fi
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legend() {
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if [ $quiet -eq 0 ]; then
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echo "$@" >&2
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fi
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}
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subcmd() {
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local cmdname="''${1//-/_}"
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shift
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"subcmd_$cmdname" "$@"
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}
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subcmd_quiet() {
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local prev_quiet=$quiet
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quiet=1
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subcmd "$@"
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local ret=$?
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quiet=$prev_quiet
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return $ret
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}
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${concatStrings (mapAttrsToList mkSubCommand subcommands)}
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case "$1" in
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${concatStrings (mapAttrsToList mkCase subcommands)}
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*) echo "Usage: nixos-taskdctl <subcommand> [<args>]" >&2
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echo >&2
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echo "A tool to manage taskserver users on NixOS" >&2
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echo >&2
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echo "The following subcommands are available:" >&2
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${concatMapStringsSep "\n " (c: "usage_${mkShellName c}")
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(attrNames subcommands)}
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exit 1
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esac
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'';
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ctlcmd = "${nixos-taskdctl}/bin/nixos-taskdctl --service-helper";
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in {
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323
nixos/modules/services/misc/taskserver/helper-tool.nix
Normal file
323
nixos/modules/services/misc/taskserver/helper-tool.nix
Normal file
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@ -0,0 +1,323 @@
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{ config, pkgs, lib, mkShellStr, taskd }:
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let
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mkShellName = lib.replaceStrings ["-"] ["_"];
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genClientKey = ''
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umask 0077
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if tmpdir="$(${pkgs.coreutils}/bin/mktemp -d)"; then
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trap "rm -rf '$tmpdir'" EXIT
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${pkgs.gnutls}/bin/certtool -p --bits 2048 --outfile "$tmpdir/key"
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cat > "$tmpdir/template" <<-\ \ EOF
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organization = $organisation
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cn = ${config.server.fqdn}
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tls_www_client
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encryption_key
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signing_key
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EOF
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${pkgs.gnutls}/bin/certtool -c \
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--load-privkey "$tmpdir/key" \
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--load-ca-privkey "${config.dataDir}/keys/ca.key" \
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--load-ca-certificate "${config.dataDir}/keys/ca.cert" \
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--template "$tmpdir/template" \
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--outfile "$tmpdir/cert"
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mkdir -m 0700 -p "${config.dataDir}/keys/user/$organisation/$user"
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chown root:root "${config.dataDir}/keys/user/$organisation/$user"
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cat "$tmpdir/key" \
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> "${config.dataDir}/keys/user/$organisation/$user/private.key"
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cat "$tmpdir/cert" \
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> "${config.dataDir}/keys/user/$organisation/$user/public.cert"
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rm -rf "$tmpdir"
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trap - EXIT
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else
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echo "Unable to create temporary directory for client" \
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"certificate creation." >&2
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exit 1
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fi
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'';
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mkSubCommand = name: { args, description, script }: let
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mkArg = pos: arg: "local ${arg}=\"\$${toString pos}\"";
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mkDesc = line: "echo ${mkShellStr " ${line}"} >&2";
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usagePosArgs = lib.concatMapStringsSep " " (a: "<${a}>") args;
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in ''
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subcmd_${mkShellName name}() {
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${lib.concatImapStringsSep "\n " mkArg args}
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${script}
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}
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usage_${mkShellName name}() {
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echo " nixos-taskdctl ${name} ${usagePosArgs}" >&2
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${lib.concatMapStringsSep "\n " mkDesc description}
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}
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'';
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mkCStr = val: "\"${lib.escape ["\\" "\""] val}\"";
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taskdUser = let
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runUser = pkgs.writeText "runuser.c" ''
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#include <sys/types.h>
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#include <pwd.h>
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#include <grp.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <errno.h>
|
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#include <unistd.h>
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|
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int main(int argc, char **argv) {
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struct passwd *userinfo;
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struct group *groupinfo;
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errno = 0;
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if ((userinfo = getpwnam(${mkCStr config.user})) == NULL) {
|
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if (errno == 0)
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fputs(${mkCStr "User name `${config.user}' not found."}, stderr);
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||||
else
|
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perror("getpwnam");
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return EXIT_FAILURE;
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||||
}
|
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errno = 0;
|
||||
if ((groupinfo = getgrnam(${mkCStr config.group})) == NULL) {
|
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if (errno == 0)
|
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fputs(${mkCStr "Group name `${config.group}' not found."}, stderr);
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else
|
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perror("getgrnam");
|
||||
return EXIT_FAILURE;
|
||||
}
|
||||
if (setgid(groupinfo->gr_gid) == -1) {
|
||||
perror("setgid");
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return EXIT_FAILURE;
|
||||
}
|
||||
if (setuid(userinfo->pw_uid) == -1) {
|
||||
perror("setgid");
|
||||
return EXIT_FAILURE;
|
||||
}
|
||||
argv[0] = "taskd";
|
||||
if (execv(${mkCStr taskd}, argv) == -1) {
|
||||
perror("execv");
|
||||
return EXIT_FAILURE;
|
||||
}
|
||||
/* never reached */
|
||||
return EXIT_SUCCESS;
|
||||
}
|
||||
'';
|
||||
in pkgs.runCommand "taskd-user" {} ''
|
||||
cc -Wall -std=c11 "${runUser}" -o "$out"
|
||||
'';
|
||||
|
||||
subcommands = {
|
||||
list-users = {
|
||||
args = [ "organisation" ];
|
||||
|
||||
description = [
|
||||
"List all users belonging to the specified organisation."
|
||||
];
|
||||
|
||||
script = ''
|
||||
legend "The following users exist for $organisation:"
|
||||
${pkgs.findutils}/bin/find \
|
||||
"${config.dataDir}/orgs/$organisation/users" \
|
||||
-mindepth 2 -maxdepth 2 -name config \
|
||||
-exec ${pkgs.gnused}/bin/sed -ne 's/^user *= *//p' {} +
|
||||
'';
|
||||
};
|
||||
|
||||
list-orgs = {
|
||||
args = [];
|
||||
|
||||
description = [
|
||||
"List available organisations"
|
||||
];
|
||||
|
||||
script = ''
|
||||
legend "The following organisations exist:"
|
||||
${pkgs.findutils}/bin/find \
|
||||
"${config.dataDir}/orgs" -mindepth 1 -maxdepth 1 \
|
||||
-type d
|
||||
'';
|
||||
};
|
||||
|
||||
get-uuid = {
|
||||
args = [ "organisation" "user" ];
|
||||
|
||||
description = [
|
||||
"Get the UUID of the specified user belonging to the specified"
|
||||
"organisation."
|
||||
];
|
||||
|
||||
script = ''
|
||||
for uuid in "${config.dataDir}/orgs/$organisation/users"/*; do
|
||||
usr="$(${pkgs.gnused}/bin/sed -ne 's/^user *= *//p' "$uuid/config")"
|
||||
if [ "$usr" = "$user" ]; then
|
||||
legend "User $user has the following UUID:"
|
||||
echo "$(${pkgs.coreutils}/bin/basename "$uuid")"
|
||||
exit 0
|
||||
fi
|
||||
done
|
||||
echo "No UUID found for user $user." >&2
|
||||
exit 1
|
||||
'';
|
||||
};
|
||||
|
||||
export-user = {
|
||||
args = [ "organisation" "user" ];
|
||||
|
||||
description = [
|
||||
"Export user of the specified organisation as a series of shell"
|
||||
"commands that can be used on the client side to easily import"
|
||||
"the certificates."
|
||||
""
|
||||
"Note that the private key will be exported as well, so use this"
|
||||
"with care!"
|
||||
];
|
||||
|
||||
script = ''
|
||||
if ! subcmd_quiet list-users "$organisation" | grep -qxF "$user"; then
|
||||
exists "User $user doesn't exist in organisation $organisation."
|
||||
fi
|
||||
|
||||
uuid="$(subcmd_quiet get-uuid "$organisation" "$user")" || exit 1
|
||||
|
||||
cat <<COMMANDS
|
||||
taskdatadir="\''${TASKDATA:-\$HOME/.task}"
|
||||
umask 0077
|
||||
mkdir -p "\$taskdatadir/keys"
|
||||
cat > "\$taskdatadir/keys/public.cert" <<EOF
|
||||
$(cat "${config.dataDir}/keys/user/$organisation/$user/public.cert")
|
||||
EOF
|
||||
cat > "\$taskdatadir/keys/private.key" <<EOF
|
||||
$(${pkgs.gnused}/bin/sed -ne '/^---* *BEGIN /,/^---* *END /p' \
|
||||
"${config.dataDir}/keys/user/$organisation/$user/private.key")
|
||||
EOF
|
||||
cat > "\$taskdatadir/keys/ca.cert" <<EOF
|
||||
$(cat "${config.dataDir}/keys/ca.cert")
|
||||
EOF
|
||||
task config taskd.certificate -- "\$taskdatadir/keys/public.cert"
|
||||
task config taskd.key -- "\$taskdatadir/keys/private.key"
|
||||
task config taskd.ca -- "\$taskdatadir/keys/ca.cert"
|
||||
task config taskd.credentials -- "$organisation/$user/$uuid"
|
||||
COMMANDS
|
||||
'';
|
||||
};
|
||||
|
||||
add-org = {
|
||||
args = [ "name" ];
|
||||
|
||||
description = [
|
||||
"Create an organisation with the specified name."
|
||||
];
|
||||
|
||||
script = ''
|
||||
if [ -e "orgs/$name" ]; then
|
||||
exists "Organisation with name $name already exists."
|
||||
fi
|
||||
${taskdUser} add org "$name"
|
||||
'';
|
||||
};
|
||||
|
||||
add-user = {
|
||||
args = [ "organisation" "user" ];
|
||||
|
||||
description = [
|
||||
"Create a user for the given organisation and print the UUID along"
|
||||
"with the client certificate and key."
|
||||
];
|
||||
|
||||
script = ''
|
||||
if subcmd list-users "$organisation" | grep -qxF "$user"; then
|
||||
exists "User $user already exists in organisation $organisation."
|
||||
fi
|
||||
${taskdUser} add user "$organisation" "$user"
|
||||
${genClientKey}
|
||||
'';
|
||||
};
|
||||
|
||||
add-group = {
|
||||
args = [ "organisation" "group" ];
|
||||
|
||||
description = [
|
||||
"Create a group for the given organisation."
|
||||
];
|
||||
|
||||
script = ''
|
||||
if [ -e "orgs/$organisation/groups/$group" ]; then
|
||||
exists "Group $group already exists in organisation $organisation."
|
||||
fi
|
||||
${taskdUser} add group "$organisation" "$group"
|
||||
'';
|
||||
};
|
||||
};
|
||||
|
||||
mkCase = name: { args, ... }: let
|
||||
mkPosArg = pos: lib.const "\"\$${toString (pos + 1)}\"";
|
||||
cmdArgs = lib.concatImapStringsSep " " mkPosArg args;
|
||||
in ''
|
||||
${name})
|
||||
if [ $# -ne ${toString ((lib.length args) + 1)} ]; then
|
||||
echo "Wrong number of arguments to ${name}." >&2
|
||||
echo >&2
|
||||
usage_${mkShellName name}
|
||||
exit 1
|
||||
fi
|
||||
subcmd "${name}" ${cmdArgs};;
|
||||
'';
|
||||
|
||||
in pkgs.writeScriptBin "nixos-taskdctl" ''
|
||||
#!${pkgs.stdenv.shell}
|
||||
export TASKDDATA=${mkShellStr config.dataDir}
|
||||
|
||||
quiet=0
|
||||
# Deliberately undocumented, because we don't want people to use this as
|
||||
# it's only used in and specific to the preStart script of the Taskserver
|
||||
# service.
|
||||
if [ "$1" = "--service-helper" ]; then
|
||||
quiet=1
|
||||
exists() {
|
||||
exit 0
|
||||
}
|
||||
shift
|
||||
else
|
||||
exists() {
|
||||
echo "$@" >&2
|
||||
exit 1
|
||||
}
|
||||
fi
|
||||
|
||||
legend() {
|
||||
if [ $quiet -eq 0 ]; then
|
||||
echo "$@" >&2
|
||||
fi
|
||||
}
|
||||
|
||||
subcmd() {
|
||||
local cmdname="''${1//-/_}"
|
||||
shift
|
||||
"subcmd_$cmdname" "$@"
|
||||
}
|
||||
|
||||
subcmd_quiet() {
|
||||
local prev_quiet=$quiet
|
||||
quiet=1
|
||||
subcmd "$@"
|
||||
local ret=$?
|
||||
quiet=$prev_quiet
|
||||
return $ret
|
||||
}
|
||||
|
||||
${lib.concatStrings (lib.mapAttrsToList mkSubCommand subcommands)}
|
||||
|
||||
case "$1" in
|
||||
${lib.concatStrings (lib.mapAttrsToList mkCase subcommands)}
|
||||
*) echo "Usage: nixos-taskdctl <subcommand> [<args>]" >&2
|
||||
echo >&2
|
||||
echo "A tool to manage taskserver users on NixOS" >&2
|
||||
echo >&2
|
||||
echo "The following subcommands are available:" >&2
|
||||
${lib.concatMapStringsSep "\n " (c: "usage_${mkShellName c}")
|
||||
(lib.attrNames subcommands)}
|
||||
exit 1
|
||||
esac
|
||||
''
|
||||
Loading…
Reference in a new issue