} Item;
static Hashmap *items = NULL, *globs = NULL;
+static Set *unix_sockets = NULL;
static bool arg_create = false;
static bool arg_clean = false;
static bool arg_remove = false;
+static const char *arg_prefix = NULL;
+
#define MAX_DEPTH 256
static bool needs_glob(int t) {
return NULL;
}
+static void load_unix_sockets(void) {
+ FILE *f = NULL;
+ char line[LINE_MAX];
+
+ if (unix_sockets)
+ return;
+
+ /* We maintain a cache of the sockets we found in
+ * /proc/net/unix to speed things up a little. */
+
+ if (!(unix_sockets = set_new(string_hash_func, string_compare_func)))
+ return;
+
+ if (!(f = fopen("/proc/net/unix", "re")))
+ return;
+
+ if (!(fgets(line, sizeof(line), f)))
+ goto fail;
+
+ for (;;) {
+ char *p, *s;
+ int k;
+
+ if (!(fgets(line, sizeof(line), f)))
+ break;
+
+ truncate_nl(line);
+
+ if (strlen(line) < 53)
+ continue;
+
+ p = line + 53;
+ p += strspn(p, WHITESPACE);
+ p += strcspn(p, WHITESPACE);
+ p += strspn(p, WHITESPACE);
+
+ if (*p != '/')
+ continue;
+
+ if (!(s = strdup(p)))
+ goto fail;
+
+ path_kill_slashes(s);
+
+ if ((k = set_put(unix_sockets, s)) < 0) {
+ free(s);
+
+ if (k != -EEXIST)
+ goto fail;
+ }
+ }
+
+ return;
+
+fail:
+ set_free_free(unix_sockets);
+ unix_sockets = NULL;
+
+ if (f)
+ fclose(f);
+}
+
+static bool unix_socket_alive(const char *fn) {
+ assert(fn);
+
+ load_unix_sockets();
+
+ if (unix_sockets)
+ return !!set_get(unix_sockets, (char*) fn);
+
+ /* We don't know, so assume yes */
+ return true;
+}
+
static int dir_cleanup(
const char *p,
DIR *d,
if (s.st_mode & S_ISVTX)
continue;
- if (mountpoint) {
+ if (mountpoint && S_ISREG(s.st_mode)) {
if (streq(dent->d_name, ".journal") &&
s.st_uid == 0)
continue;
continue;
}
+ /* Ignore sockets that are listed in /proc/net/unix */
+ if (S_ISSOCK(s.st_mode) && unix_socket_alive(sub_path))
+ continue;
+
+ /* Ignore device nodes */
+ if (S_ISCHR(s.st_mode) || S_ISBLK(s.st_mode))
+ continue;
+
age = MAX3(timespec_load(&s.st_mtim),
timespec_load(&s.st_atim),
timespec_load(&s.st_ctim));
break;
}
- if ((r = label_fix(i->path)) < 0)
+ if ((r = label_fix(i->path, false)) < 0)
goto finish;
log_debug("%s created successfully.", i->path);
free(i);
}
-static int parse_line(const char *fname, unsigned line, const char *buffer, const char *prefix) {
+static int parse_line(const char *fname, unsigned line, const char *buffer) {
Item *i;
char *mode = NULL, *user = NULL, *group = NULL, *age = NULL;
int r;
path_kill_slashes(i->path);
- if (prefix && !path_startswith(i->path, prefix)) {
+ if (arg_prefix && !path_startswith(i->path, arg_prefix)) {
r = 0;
goto finish;
}
return 0;
if (d->d_type != DT_REG &&
- d->d_type != DT_LNK)
+ d->d_type != DT_LNK &&
+ d->d_type != DT_UNKNOWN)
return 0;
return endswith(d->d_name, ".conf");
static int help(void) {
- printf("%s [OPTIONS...]\n\n"
- "Create and clean up temporary directories.\n\n"
+ printf("%s [OPTIONS...] [CONFIGURATION FILE...]\n\n"
+ "Creates, deletes and cleans up volatile and temporary files and directories.\n\n"
" -h --help Show this help\n"
" --create Create marked files/directories\n"
" --clean Clean up marked directories\n"
- " --remove Remove marked files/directories\n",
+ " --remove Remove marked files/directories\n"
+ " --prefix=PATH Only apply rules that apply to paths with the specified prefix\n",
program_invocation_short_name);
return 0;
enum {
ARG_CREATE,
ARG_CLEAN,
- ARG_REMOVE
+ ARG_REMOVE,
+ ARG_PREFIX
};
static const struct option options[] = {
{ "create", no_argument, NULL, ARG_CREATE },
{ "clean", no_argument, NULL, ARG_CLEAN },
{ "remove", no_argument, NULL, ARG_REMOVE },
+ { "prefix", required_argument, NULL, ARG_PREFIX },
{ NULL, 0, NULL, 0 }
};
arg_remove = true;
break;
+ case ARG_PREFIX:
+ arg_prefix = optarg;
+ break;
+
case '?':
return -EINVAL;
}
if (!arg_clean && !arg_create && !arg_remove) {
- help();
+ log_error("You need to specify at least one of --clean, --create or --remove.");
return -EINVAL;
}
return 1;
}
+static int read_config_file(const char *fn, bool ignore_enoent) {
+ FILE *f;
+ unsigned v = 0;
+ int r = 0;
+
+ assert(fn);
+
+ if (!(f = fopen(fn, "re"))) {
+
+ if (ignore_enoent && errno == ENOENT)
+ return 0;
+
+ log_error("Failed to open %s: %m", fn);
+ return -errno;
+ }
+
+ for (;;) {
+ char line[LINE_MAX], *l;
+ int k;
+
+ if (!(fgets(line, sizeof(line), f)))
+ break;
+
+ v++;
+
+ l = strstrip(line);
+ if (*l == '#' || *l == 0)
+ continue;
+
+ if ((k = parse_line(fn, v, l)) < 0)
+ if (r == 0)
+ r = k;
+ }
+
+ if (ferror(f)) {
+ log_error("Failed to read from file %s: %m", fn);
+ if (r == 0)
+ r = -EIO;
+ }
+
+ fclose(f);
+
+ return r;
+}
+
int main(int argc, char *argv[]) {
- struct dirent **de = NULL;
- int r, n, j;
- const char *prefix = NULL;
+ int r;
Item *i;
Iterator iterator;
if ((r = parse_argv(argc, argv)) <= 0)
return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS;
- if (optind < argc)
- prefix = argv[optind];
- else
- prefix = "/";
-
log_set_target(LOG_TARGET_AUTO);
log_parse_environment();
log_open();
goto finish;
}
- if ((n = scandir("/etc/tmpfiles.d/", &de, scandir_filter, alphasort)) < 0) {
-
- if (errno == ENOENT)
- r = EXIT_SUCCESS;
- else {
- log_error("Failed to enumerate /etc/tmpfiles.d/ files: %m");
- r = EXIT_FAILURE;
- }
-
- goto finish;
- }
-
r = EXIT_SUCCESS;
- for (j = 0; j < n; j++) {
- int k;
- char *fn;
- FILE *f;
- unsigned v;
+ if (optind < argc) {
+ int j;
- k = asprintf(&fn, "/etc/tmpfiles.d/%s", de[j]->d_name);
- free(de[j]);
+ for (j = optind; j < argc; j++)
+ if (read_config_file(argv[j], false) < 0)
+ r = EXIT_FAILURE;
- if (k < 0) {
- log_error("Failed to allocate file name.");
- r = EXIT_FAILURE;
- continue;
- }
+ } else {
+ int n, j;
+ struct dirent **de = NULL;
- if (!(f = fopen(fn, "re"))) {
+ if ((n = scandir("/etc/tmpfiles.d/", &de, scandir_filter, alphasort)) < 0) {
if (errno != ENOENT) {
- log_error("Failed to open %s: %m", fn);
+ log_error("Failed to enumerate /etc/tmpfiles.d/ files: %m");
r = EXIT_FAILURE;
}
- free(fn);
- continue;
+ goto finish;
}
- v = 0;
- for (;;) {
- char line[LINE_MAX], *l;
-
- if (!(fgets(line, sizeof(line), f)))
- break;
+ for (j = 0; j < n; j++) {
+ int k;
+ char *fn;
- v++;
+ k = asprintf(&fn, "/etc/tmpfiles.d/%s", de[j]->d_name);
+ free(de[j]);
- l = strstrip(line);
- if (*l == '#' || *l == 0)
+ if (k < 0) {
+ log_error("Failed to allocate file name.");
+ r = EXIT_FAILURE;
continue;
+ }
- if (parse_line(fn, v, l, prefix) < 0)
+ if (read_config_file(fn, true) < 0)
r = EXIT_FAILURE;
- }
- if (ferror(f)) {
- r = EXIT_FAILURE;
- log_error("Failed to read from file %s: %m", fn);
+ free(fn);
}
- free(fn);
-
- fclose(f);
+ free(de);
}
- free(de);
-
HASHMAP_FOREACH(i, globs, iterator)
if (process_item(i) < 0)
r = EXIT_FAILURE;
while ((i = hashmap_steal_first(items)))
item_free(i);
+ while ((i = hashmap_steal_first(globs)))
+ item_free(i);
+
hashmap_free(items);
hashmap_free(globs);
+ set_free_free(unix_sockets);
+
label_finish();
return r;