+/* SPDX-License-Identifier: LGPL-2.1+ */
/***
This file is part of systemd.
along with systemd; If not, see <http://www.gnu.org/licenses/>.
***/
-#include <stdlib.h>
-#include <unistd.h>
+#include <ctype.h>
#include <getopt.h>
+#include <stdlib.h>
#include <string.h>
-#include <ctype.h>
-#include "util.h"
-#include "strbuf.h"
+#include "alloc-util.h"
#include "conf-files.h"
-
+#include "fileio.h"
+#include "fs-util.h"
+#include "hwdb-internal.h"
+#include "hwdb-util.h"
+#include "label.h"
+#include "mkdir.h"
+#include "strbuf.h"
+#include "string-util.h"
#include "udev.h"
-#include "libudev-hwdb-def.h"
+#include "util.h"
/*
* Generic udev properties, key/value database based on modalias strings.
continue;
/* split node */
- new_child = calloc(sizeof(struct trie_node), 1);
+ new_child = new0(struct trie_node, 1);
if (!new_child)
return -ENOMEM;
ssize_t off;
/* new child */
- child = calloc(sizeof(struct trie_node), 1);
+ child = new0(struct trie_node, 1);
if (!child)
return -ENOMEM;
struct trie_f t = {
.trie = trie,
};
- char *filename_tmp;
+ _cleanup_free_ char *filename_tmp = NULL;
int64_t pos;
int64_t root_off;
int64_t size;
struct trie_header_f h = {
.signature = HWDB_SIG,
- .tool_version = htole64(atoi(VERSION)),
+ .tool_version = htole64(atoi(PACKAGE_VERSION)),
.header_size = htole64(sizeof(struct trie_header_f)),
.node_size = htole64(sizeof(struct trie_node_f)),
.child_entry_size = htole64(sizeof(struct trie_child_entry_f)),
t.strings_off = sizeof(struct trie_header_f);
trie_store_nodes_size(&t, trie->root);
- err = fopen_temporary(filename , &t.f, &filename_tmp);
+ err = fopen_temporary(filename, &t.f, &filename_tmp);
if (err < 0)
return err;
fchmod(fileno(t.f), 0444);
/* write nodes */
- fseeko(t.f, sizeof(struct trie_header_f), SEEK_SET);
+ if (fseeko(t.f, sizeof(struct trie_header_f), SEEK_SET) < 0)
+ goto error_fclose;
root_off = trie_store_nodes(&t, trie->root);
h.nodes_root_off = htole64(root_off);
pos = ftello(t.f);
/* write header */
size = ftello(t.f);
h.file_size = htole64(size);
- fseeko(t.f, 0, SEEK_SET);
+ if (fseeko(t.f, 0, SEEK_SET < 0))
+ goto error_fclose;
fwrite(&h, sizeof(struct trie_header_f), 1, t.f);
- err = ferror(t.f);
- if (err)
- err = -errno;
+
+ if (ferror(t.f))
+ goto error_fclose;
+ if (fflush(t.f) < 0)
+ goto error_fclose;
+ if (fsync(fileno(t.f)) < 0)
+ goto error_fclose;
+ if (rename(filename_tmp, filename) < 0)
+ goto error_fclose;
+
+ /* write succeeded */
fclose(t.f);
- if (err < 0 || rename(filename_tmp, filename) < 0) {
- unlink(filename_tmp);
- goto out;
- }
log_debug("=== trie on-disk ===");
- log_debug("size: %8"PRIu64" bytes", size);
+ log_debug("size: %8"PRIi64" bytes", size);
log_debug("header: %8zu bytes", sizeof(struct trie_header_f));
log_debug("nodes: %8"PRIu64" bytes (%8"PRIu64")",
t.nodes_count * sizeof(struct trie_node_f), t.nodes_count);
t.values_count * sizeof(struct trie_value_entry_f), t.values_count);
log_debug("string store: %8zu bytes", trie->strings->len);
log_debug("strings start: %8"PRIu64, t.strings_off);
-out:
- free(filename_tmp);
+
+ return 0;
+
+ error_fclose:
+ err = -errno;
+ fclose(t.f);
+ unlink(filename_tmp);
return err;
}
value[0] = '\0';
value++;
+ /* libudev requires properties to start with a space */
+ while (isblank(line[0]) && isblank(line[1]))
+ line++;
+
if (line[0] == '\0' || value[0] == '\0') {
log_error("Error, empty key or value '%s' in '%s':", line, filename);
return -EINVAL;
static void help(void) {
printf("Usage: udevadm hwdb OPTIONS\n"
" -u,--update update the hardware database\n"
+ " --usr generate in " UDEVLIBEXECDIR " instead of /etc/udev\n"
" -t,--test=MODALIAS query database and print result\n"
" -r,--root=PATH alternative root path in the filesystem\n"
" -h,--help\n\n");
}
static int adm_hwdb(struct udev *udev, int argc, char *argv[]) {
+ enum {
+ ARG_USR = 0x100,
+ };
+
static const struct option options[] = {
{ "update", no_argument, NULL, 'u' },
+ { "usr", no_argument, NULL, ARG_USR },
{ "test", required_argument, NULL, 't' },
{ "root", required_argument, NULL, 'r' },
{ "help", no_argument, NULL, 'h' },
};
const char *test = NULL;
const char *root = "";
+ const char *hwdb_bin_dir = "/etc/udev";
bool update = false;
struct trie *trie = NULL;
int err, c;
case 'u':
update = true;
break;
+ case ARG_USR:
+ hwdb_bin_dir = UDEVLIBEXECDIR;
+ break;
case 't':
test = optarg;
break;
char **files, **f;
_cleanup_free_ char *hwdb_bin = NULL;
- trie = calloc(sizeof(struct trie), 1);
+ trie = new0(struct trie, 1);
if (!trie) {
rc = EXIT_FAILURE;
goto out;
}
/* index */
- trie->root = calloc(sizeof(struct trie_node), 1);
+ trie->root = new0(struct trie_node, 1);
if (!trie->root) {
rc = EXIT_FAILURE;
goto out;
}
trie->nodes_count++;
- err = conf_files_list_strv(&files, ".hwdb", root, conf_file_dirs);
+ err = conf_files_list_strv(&files, ".hwdb", root, 0, conf_file_dirs);
if (err < 0) {
- log_error("failed to enumerate hwdb files: %s", strerror(-err));
+ log_error_errno(err, "failed to enumerate hwdb files: %m");
rc = EXIT_FAILURE;
goto out;
}
log_debug("strings dedup'ed: %8zu bytes (%8zu)",
trie->strings->dedup_len, trie->strings->dedup_count);
- if (asprintf(&hwdb_bin, "%s/etc/udev/hwdb.bin", root) < 0) {
+ hwdb_bin = strjoin(root, "/", hwdb_bin_dir, "/hwdb.bin");
+ if (!hwdb_bin) {
rc = EXIT_FAILURE;
goto out;
}
- mkdir_parents(hwdb_bin, 0755);
+
+ mkdir_parents_label(hwdb_bin, 0755);
+
err = trie_store(trie, hwdb_bin);
if (err < 0) {
- log_error("Failure writing database %s: %s", hwdb_bin, strerror(-err));
+ log_error_errno(err, "Failure writing database %s: %m", hwdb_bin);
rc = EXIT_FAILURE;
}
+
+ label_fix(hwdb_bin, false, false);
}
if (test) {
- struct udev_hwdb *hwdb = udev_hwdb_new(udev);
+ _cleanup_(sd_hwdb_unrefp) sd_hwdb *hwdb = NULL;
+ int r;
- if (hwdb) {
- struct udev_list_entry *entry;
+ r = sd_hwdb_new(&hwdb);
+ if (r >= 0) {
+ const char *key, *value;
- udev_list_entry_foreach(entry, udev_hwdb_get_properties_list_entry(hwdb, test, 0))
- printf("%s=%s\n", udev_list_entry_get_name(entry), udev_list_entry_get_value(entry));
- udev_hwdb_unref(hwdb);
+ SD_HWDB_FOREACH_PROPERTY(hwdb, test, key, value)
+ printf("%s=%s\n", key, value);
}
}
out:
const struct udevadm_cmd udevadm_hwdb = {
.name = "hwdb",
.cmd = adm_hwdb,
- .help = "maintain the hardware database index",
};
projects / thirdparty / systemd.git / blobdiff