diff options
Diffstat (limited to 'src/systemd-machine-id-setup')
| -rw-r--r-- | src/systemd-machine-id-setup/Makefile | 38 | ||||
| -rw-r--r-- | src/systemd-machine-id-setup/machine-id-setup-main.c | 118 |
2 files changed, 156 insertions, 0 deletions
diff --git a/src/systemd-machine-id-setup/Makefile b/src/systemd-machine-id-setup/Makefile new file mode 100644 index 0000000000..8f210b3cdf --- /dev/null +++ b/src/systemd-machine-id-setup/Makefile @@ -0,0 +1,38 @@ +# -*- Mode: makefile; indent-tabs-mode: t -*- +# +# This file is part of systemd. +# +# Copyright 2010-2012 Lennart Poettering +# Copyright 2010-2012 Kay Sievers +# Copyright 2013 Zbigniew Jędrzejewski-Szmek +# Copyright 2013 David Strauss +# Copyright 2016 Luke Shumaker +# +# systemd is free software; you can redistribute it and/or modify it +# under the terms of the GNU Lesser General Public License as published by +# the Free Software Foundation; either version 2.1 of the License, or +# (at your option) any later version. +# +# systemd is distributed in the hope that it will be useful, but +# WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# Lesser General Public License for more details. +# +# You should have received a copy of the GNU Lesser General Public License +# along with systemd; If not, see <http://www.gnu.org/licenses/>. +include $(dir $(lastword $(MAKEFILE_LIST)))/../../config.mk +include $(topsrcdir)/build-aux/Makefile.head.mk + +rootbin_PROGRAMS += systemd-machine-id-setup +systemd_machine_id_setup_SOURCES = \ + src/machine-id-setup/machine-id-setup-main.c \ + src/core/machine-id-setup.c \ + src/core/machine-id-setup.h + +systemd_machine_id_setup_LDADD = \ + libshared.la + +SYSINIT_TARGET_WANTS += \ + systemd-machine-id-commit.service + +include $(topsrcdir)/build-aux/Makefile.tail.mk diff --git a/src/systemd-machine-id-setup/machine-id-setup-main.c b/src/systemd-machine-id-setup/machine-id-setup-main.c new file mode 100644 index 0000000000..1d55fa04af --- /dev/null +++ b/src/systemd-machine-id-setup/machine-id-setup-main.c @@ -0,0 +1,118 @@ +/*** + This file is part of systemd. + + Copyright 2010 Lennart Poettering + + systemd is free software; you can redistribute it and/or modify it + under the terms of the GNU Lesser General Public License as published by + the Free Software Foundation; either version 2.1 of the License, or + (at your option) any later version. + + systemd is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public License + along with systemd; If not, see <http://www.gnu.org/licenses/>. +***/ + +#include <errno.h> +#include <getopt.h> +#include <stdio.h> +#include <stdlib.h> + +#include "log.h" +#include "machine-id-setup.h" +#include "path-util.h" +#include "util.h" + +static char *arg_root = NULL; +static bool arg_commit = false; + +static void help(void) { + printf("%s [OPTIONS...]\n\n" + "Initialize /etc/machine-id from a random source.\n\n" + " -h --help Show this help\n" + " --version Show package version\n" + " --root=ROOT Filesystem root\n" + " --commit Commit transient ID\n" + , program_invocation_short_name); +} + +static int parse_argv(int argc, char *argv[]) { + + enum { + ARG_VERSION = 0x100, + ARG_ROOT, + ARG_COMMIT, + }; + + static const struct option options[] = { + { "help", no_argument, NULL, 'h' }, + { "version", no_argument, NULL, ARG_VERSION }, + { "root", required_argument, NULL, ARG_ROOT }, + { "commit", no_argument, NULL, ARG_COMMIT }, + {} + }; + + int c, r; + + assert(argc >= 0); + assert(argv); + + while ((c = getopt_long(argc, argv, "hqcv", options, NULL)) >= 0) + + switch (c) { + + case 'h': + help(); + return 0; + + case ARG_VERSION: + return version(); + + case ARG_ROOT: + r = parse_path_argument_and_warn(optarg, true, &arg_root); + if (r < 0) + return r; + break; + + case ARG_COMMIT: + arg_commit = true; + break; + + case '?': + return -EINVAL; + + default: + assert_not_reached("Unhandled option"); + } + + if (optind < argc) { + log_error("Extraneous arguments"); + return -EINVAL; + } + + return 1; +} + +int main(int argc, char *argv[]) { + int r; + + log_parse_environment(); + log_open(); + + r = parse_argv(argc, argv); + if (r <= 0) + goto finish; + + if (arg_commit) + r = machine_id_commit(arg_root); + else + r = machine_id_setup(arg_root, SD_ID128_NULL); + +finish: + free(arg_root); + return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS; +} |