static void print_all_attributes(struct udev_device *device, const char *key)
{
- struct udev *udev = udev_device_get_udev(device);
- DIR *dir;
- struct dirent *dent;
-
- dir = opendir(udev_device_get_syspath(device));
- if (dir != NULL) {
- for (dent = readdir(dir); dent != NULL; dent = readdir(dir)) {
- struct stat statbuf;
- const char *value;
- size_t len;
-
- if (dent->d_name[0] == '.')
- continue;
-
- if (strcmp(dent->d_name, "uevent") == 0)
- continue;
- if (strcmp(dent->d_name, "dev") == 0)
- continue;
-
- if (fstatat(dirfd(dir), dent->d_name, &statbuf, AT_SYMLINK_NOFOLLOW) != 0)
- continue;
- if (S_ISLNK(statbuf.st_mode))
- continue;
-
- value = udev_device_get_sysattr_value(device, dent->d_name);
- if (value == NULL)
- continue;
- dbg(udev, "attr '%s'='%s'\n", dent->d_name, value);
-
- /* skip nonprintable attributes */
- len = strlen(value);
- while (len > 0 && isprint(value[len-1]))
- len--;
- if (len > 0) {
- dbg(udev, "attribute value of '%s' non-printable, skip\n", dent->d_name);
- continue;
- }
-
- printf(" %s{%s}==\"%s\"\n", key, dent->d_name, value);
+ struct udev_list_entry *sysattr;
+
+ udev_list_entry_foreach(sysattr, udev_device_get_sysattr_list_entry(device)) {
+ const char *name;
+ const char *value;
+ size_t len;
+
+ /* skip symlinks */
+ if (0 == strcmp("s", udev_list_entry_get_value(sysattr)))
+ continue;
+
+ name = udev_list_entry_get_name(sysattr);
+ if (strcmp(name, "uevent") == 0)
+ continue;
+ if (strcmp(name, "dev") == 0)
+ continue;
+
+ value = udev_device_get_sysattr_value(device, name);
+ if (value == NULL)
+ continue;
+ dbg(udev_device_get_udev(device), "attr '%s'='%s'\n", name, value);
+
+ /* skip nonprintable attributes */
+ len = strlen(value);
+ while (len > 0 && isprint(value[len-1]))
+ len--;
+ if (len > 0) {
+ dbg(udev_device_get_udev(device),
+ "attribute value of '%s' non-printable, skip\n", name);
+ continue;
}
- closedir(dir);
+
+ printf(" %s{%s}==\"%s\"\n", key, name, value);
}
printf("\n");
}
printf("\n");
}
-static int stat_device(const char *name, int export, const char *prefix)
+static int stat_device(const char *name, bool export, const char *prefix)
{
struct stat statbuf;
return 0;
}
+static int convert_db(struct udev *udev)
+{
+ struct udev_enumerate *udev_enumerate;
+ struct udev_list_entry *list_entry;
+
+ udev_enumerate = udev_enumerate_new(udev);
+ if (udev_enumerate == NULL)
+ return -1;
+ udev_enumerate_scan_devices(udev_enumerate);
+ udev_list_entry_foreach(list_entry, udev_enumerate_get_list_entry(udev_enumerate)) {
+ struct udev_device *device;
+
+ device = udev_device_new_from_syspath(udev, udev_list_entry_get_name(list_entry));
+ if (device != NULL) {
+ const char *id;
+ struct stat stats;
+ char to[UTIL_PATH_SIZE];
+ char devpath[UTIL_PATH_SIZE];
+ char from[UTIL_PATH_SIZE];
+
+ id = udev_device_get_id_filename(device);
+ if (id == NULL) {
+ udev_device_unref(device);
+ continue;
+ }
+ util_strscpyl(to, sizeof(to), udev_get_dev_path(udev), "/.udev/db/", id, NULL);
+
+ /* find old database with $subsys:$sysname */
+ util_strscpyl(from, sizeof(from), udev_get_dev_path(udev),
+ "/.udev/db/", udev_device_get_subsystem(device), ":",
+ udev_device_get_sysname(device), NULL);
+ if (lstat(from, &stats) == 0) {
+ if (lstat(to, &stats) == 0)
+ unlink(from);
+ else
+ rename(from, to);
+ }
+
+ /* find old database with the encoded devpath */
+ util_path_encode(udev_device_get_devpath(device), devpath, sizeof(devpath));
+ util_strscpyl(from, sizeof(from), udev_get_dev_path(udev),
+ "/.udev/db/", devpath, NULL);
+ if (lstat(from, &stats) == 0) {
+ if (lstat(to, &stats) == 0)
+ unlink(from);
+ else
+ rename(from, to);
+ }
+
+ /* read the old database, and write out a new one */
+ udev_device_read_db(device);
+ udev_device_update_db(device);
+
+ udev_device_unref(device);
+ }
+ }
+ udev_enumerate_unref(udev_enumerate);
+ return 0;
+}
+
int udevadm_info(struct udev *udev, int argc, char *argv[])
{
struct udev_device *device = NULL;
- int root = 0;
- int export = 0;
+ bool root = 0;
+ bool export = 0;
const char *export_prefix = NULL;
char path[UTIL_PATH_SIZE];
char name[UTIL_PATH_SIZE];
{ "query", required_argument, NULL, 'q' },
{ "attribute-walk", no_argument, NULL, 'a' },
{ "export-db", no_argument, NULL, 'e' },
+ { "convert-db", no_argument, NULL, 'C' },
{ "root", no_argument, NULL, 'r' },
{ "device-id-of-file", required_argument, NULL, 'd' },
{ "export", no_argument, NULL, 'x' },
case 'r':
if (action == ACTION_NONE)
action = ACTION_ROOT;
- root = 1;
+ root = true;
break;
case 'd':
action = ACTION_DEVICE_ID_FILE;
case 'e':
export_devices(udev);
goto exit;
+ case 'C':
+ convert_db(udev);
+ goto exit;
case 'x':
- export = 1;
+ export = true;
break;
case 'P':
export_prefix = optarg;
" --attribute-walk print all key matches while walking along the chain\n"
" of parent devices\n"
" --device-id-of-file=<file> print major:minor of device containing this file\n"
+ " --export export key/value pairs\n"
+ " --export-prefix export the key name with a prefix\n"
" --export-db export the content of the udev database\n"
+ " --convert-db convert older version of database without a reboot\n"
" --help\n\n");
goto exit;
default:
case QUERY_PROPERTY:
list_entry = udev_device_get_properties_list_entry(device);
while (list_entry != NULL) {
- printf("%s=%s\n", udev_list_entry_get_name(list_entry), udev_list_entry_get_value(list_entry));
+ if (export) {
+ const char *prefix = export_prefix;
+
+ if (prefix == NULL)
+ prefix = "";
+ printf("%s%s='%s'\n", prefix,
+ udev_list_entry_get_name(list_entry),
+ udev_list_entry_get_value(list_entry));
+ } else {
+ printf("%s=%s\n", udev_list_entry_get_name(list_entry), udev_list_entry_get_value(list_entry));
+ }
list_entry = udev_list_entry_get_next(list_entry);
}
break;
~ianmdlvl / elogind.git / blobdiff