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-rw-r--r--src/hwdb/hwdb.c129
1 files changed, 129 insertions, 0 deletions
diff --git a/src/hwdb/hwdb.c b/src/hwdb/hwdb.c
new file mode 100644
index 0000000..b069a3e
--- /dev/null
+++ b/src/hwdb/hwdb.c
@@ -0,0 +1,129 @@
+/* SPDX-License-Identifier: LGPL-2.1+ */
+
+#include <getopt.h>
+
+#include "sd-hwdb.h"
+
+#include "alloc-util.h"
+#include "hwdb-util.h"
+#include "main-func.h"
+#include "pretty-print.h"
+#include "selinux-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);
+}
+
+static int run(int argc, char *argv[]) {
+ int r;
+
+ log_parse_environment();
+ log_open();
+
+ r = parse_argv(argc, argv);
+ if (r <= 0)
+ return r;
+
+ mac_selinux_init();
+
+ return hwdb_main(argc, argv);
+}
+
+DEFINE_MAIN_FUNCTION(run);