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/* SPDX-License-Identifier: LGPL-2.1+ */
#include <getopt.h>
#include "sd-hwdb.h"
#include "alloc-util.h"
#include "hwdb-util.h"
#include "selinux-util.h"
#include "terminal-util.h"
#include "util.h"
#include "verbs.h"
static const char *arg_hwdb_bin_dir = NULL;
static const char *arg_root = NULL;
static bool arg_strict = false;
static int verb_query(int argc, char *argv[], void *userdata) {
return hwdb_query(argv[1]);
}
static int verb_update(int argc, char *argv[], void *userdata) {
return hwdb_update(arg_root, arg_hwdb_bin_dir, arg_strict, false);
}
static int help(void) {
_cleanup_free_ char *link = NULL;
int r;
r = terminal_urlify_man("systemd-hwdb", "8", &link);
if (r < 0)
return log_oom();
printf("%s OPTIONS COMMAND\n\n"
"Update or query the hardware database.\n\n"
" -h --help Show this help\n"
" --version Show package version\n"
" -s --strict When updating, return non-zero exit value on any parsing error\n"
" --usr Generate in " UDEVLIBEXECDIR " instead of /etc/udev\n"
" -r --root=PATH Alternative root path in the filesystem\n\n"
"Commands:\n"
" update Update the hwdb database\n"
" query MODALIAS Query database and print result\n"
"\nSee the %s for details.\n"
, program_invocation_short_name
, link
);
return 0;
}
static int parse_argv(int argc, char *argv[]) {
enum {
ARG_VERSION = 0x100,
ARG_USR,
};
static const struct option options[] = {
{ "help", no_argument, NULL, 'h' },
{ "version", no_argument, NULL, ARG_VERSION },
{ "usr", no_argument, NULL, ARG_USR },
{ "strict", no_argument, NULL, 's' },
{ "root", required_argument, NULL, 'r' },
{}
};
int c;
assert(argc >= 0);
assert(argv);
while ((c = getopt_long(argc, argv, "ust:r:h", options, NULL)) >= 0)
switch(c) {
case 'h':
return help();
case ARG_VERSION:
return version();
case ARG_USR:
arg_hwdb_bin_dir = UDEVLIBEXECDIR;
break;
case 's':
arg_strict = true;
break;
case 'r':
arg_root = optarg;
break;
case '?':
return -EINVAL;
default:
assert_not_reached("Unknown option");
}
return 1;
}
static int hwdb_main(int argc, char *argv[]) {
static const Verb verbs[] = {
{ "update", 1, 1, 0, verb_update },
{ "query", 2, 2, 0, verb_query },
{},
};
return dispatch_verb(argc, argv, verbs, NULL);
}
int main (int argc, char *argv[]) {
int r;
log_parse_environment();
log_open();
r = parse_argv(argc, argv);
if (r <= 0)
goto finish;
mac_selinux_init();
r = hwdb_main(argc, argv);
finish:
return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS;
}
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