diff options
Diffstat (limited to 'udev/udevadm-info.c')
| -rw-r--r-- | udev/udevadm-info.c | 82 |
1 files changed, 81 insertions, 1 deletions
diff --git a/udev/udevadm-info.c b/udev/udevadm-info.c index 9357f67208..87c1c32314 100644 --- a/udev/udevadm-info.c +++ b/udev/udevadm-info.c @@ -200,6 +200,81 @@ static int export_devices(struct udev *udev) return 0; } +static void cleanup_dir(DIR *dir, mode_t mask, int depth) +{ + struct dirent *dent; + + if (depth <= 0) + return; + + for (dent = readdir(dir); dent != NULL; dent = readdir(dir)) { + struct stat stats; + + if (dent->d_name[0] == '.') + continue; + if (fstatat(dirfd(dir), dent->d_name, &stats, AT_SYMLINK_NOFOLLOW) != 0) + continue; + if ((stats.st_mode & mask) != 0) + continue; + if (S_ISDIR(stats.st_mode)) { + DIR *dir2; + + dir2 = fdopendir(openat(dirfd(dir), dent->d_name, O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC)); + if (dir2 != NULL) { + cleanup_dir(dir2, mask, depth-1); + closedir(dir2); + } + unlinkat(dirfd(dir), dent->d_name, AT_REMOVEDIR); + } else { + unlinkat(dirfd(dir), dent->d_name, 0); + } + } +} + +static void cleanup_db(struct udev *udev) +{ + char filename[UTIL_PATH_SIZE]; + DIR *dir; + + util_strscpyl(filename, sizeof(filename), udev_get_run_path(udev), "/queue.bin", NULL); + unlink(filename); + + util_strscpyl(filename, sizeof(filename), udev_get_run_path(udev), "/data", NULL); + dir = opendir(filename); + if (dir != NULL) { + cleanup_dir(dir, S_ISVTX, 1); + closedir(dir); + } + + util_strscpyl(filename, sizeof(filename), udev_get_run_path(udev), "/links", NULL); + dir = opendir(filename); + if (dir != NULL) { + cleanup_dir(dir, 0, 2); + closedir(dir); + } + + util_strscpyl(filename, sizeof(filename), udev_get_run_path(udev), "/tags", NULL); + dir = opendir(filename); + if (dir != NULL) { + cleanup_dir(dir, 0, 2); + closedir(dir); + } + + util_strscpyl(filename, sizeof(filename), udev_get_run_path(udev), "/watch", NULL); + dir = opendir(filename); + if (dir != NULL) { + cleanup_dir(dir, 0, 1); + closedir(dir); + } + + util_strscpyl(filename, sizeof(filename), udev_get_run_path(udev), "/firmware-missing", NULL); + dir = opendir(filename); + if (dir != NULL) { + cleanup_dir(dir, 0, 1); + closedir(dir); + } +} + int udevadm_info(struct udev *udev, int argc, char *argv[]) { struct udev_device *device = NULL; @@ -216,6 +291,7 @@ int udevadm_info(struct udev *udev, int argc, char *argv[]) { "path", required_argument, NULL, 'p' }, { "query", required_argument, NULL, 'q' }, { "attribute-walk", no_argument, NULL, 'a' }, + { "cleanup-db", no_argument, NULL, 'c' }, { "export-db", no_argument, NULL, 'e' }, { "root", no_argument, NULL, 'r' }, { "run", no_argument, NULL, 'R' }, @@ -248,7 +324,7 @@ int udevadm_info(struct udev *udev, int argc, char *argv[]) int option; struct stat statbuf; - option = getopt_long(argc, argv, "aed:n:p:q:rxP:RVh", options, NULL); + option = getopt_long(argc, argv, "aced:n:p:q:rxP:RVh", options, NULL); if (option == -1) break; @@ -345,6 +421,9 @@ int udevadm_info(struct udev *udev, int argc, char *argv[]) case 'e': export_devices(udev); goto exit; + case 'c': + cleanup_db(udev); + goto exit; case 'x': export = true; break; @@ -371,6 +450,7 @@ int udevadm_info(struct udev *udev, int argc, char *argv[]) " --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" + " --cleanup-db cleanup the udev database\n" " --help\n\n"); goto exit; default: |