bool gid_set:1;
bool mode_set:1;
bool age_set:1;
+ bool mask_perms:1;
bool keep_first_level:1;
+ bool force:1;
+
bool done:1;
} Item;
static char **arg_exclude_prefixes = NULL;
static char *arg_root = NULL;
-static const char conf_file_dirs[] =
- "/etc/tmpfiles.d\0"
- "/run/tmpfiles.d\0"
- "/usr/local/lib/tmpfiles.d\0"
- "/usr/lib/tmpfiles.d\0"
-#ifdef HAVE_SPLIT_USR
- "/lib/tmpfiles.d\0"
-#endif
- ;
+static const char conf_file_dirs[] = CONF_DIRS_NULSTR("tmpfiles");
#define MAX_DEPTH 256
/* We maintain a cache of the sockets we found in
* /proc/net/unix to speed things up a little. */
- unix_sockets = set_new(string_hash_func, string_compare_func);
+ unix_sockets = set_new(&string_hash_ops);
if (!unix_sockets)
return;
/* got only one handle; assume different mount points if one
* of both queries was not supported by the filesystem */
- if (r_p == -ENOSYS || r_p == -ENOTSUP || r == -ENOSYS || r == -ENOTSUP)
+ if (r_p == -ENOSYS || r_p == -EOPNOTSUPP || r == -ENOSYS || r == -EOPNOTSUPP)
return true;
/* return error */
return r;
}
-static int item_set_perms_full(Item *i, const char *path, bool ignore_enoent) {
+static int item_set_perms(Item *i, const char *path) {
+ struct stat st;
+ bool st_valid;
+
assert(i);
assert(path);
+ st_valid = stat(path, &st) == 0;
+
/* not using i->path directly because it may be a glob */
- if (i->mode_set)
- if (chmod(path, i->mode) < 0) {
- if (errno != ENOENT || !ignore_enoent) {
+ if (i->mode_set) {
+ mode_t m = i->mode;
+
+ if (i->mask_perms && st_valid) {
+ if (!(st.st_mode & 0111))
+ m &= ~0111;
+ if (!(st.st_mode & 0222))
+ m &= ~0222;
+ if (!(st.st_mode & 0444))
+ m &= ~0444;
+ if (!S_ISDIR(st.st_mode))
+ m &= ~07000; /* remove sticky/sgid/suid bit, unless directory */
+ }
+
+ if (!st_valid || m != (st.st_mode & 07777)) {
+ if (chmod(path, m) < 0) {
log_error("chmod(%s) failed: %m", path);
return -errno;
}
}
+ }
- if (i->uid_set || i->gid_set)
+ if ((!st_valid || (i->uid != st.st_uid || i->gid != st.st_gid)) &&
+ (i->uid_set || i->gid_set))
if (chown(path,
i->uid_set ? i->uid : (uid_t) -1,
i->gid_set ? i->gid : (gid_t) -1) < 0) {
- if (errno != ENOENT || !ignore_enoent) {
- log_error("chown(%s) failed: %m", path);
- return -errno;
- }
+ log_error("chown(%s) failed: %m", path);
+ return -errno;
}
- return label_fix(path, ignore_enoent, false);
-}
-
-static int item_set_perms(Item *i, const char *path) {
- return item_set_perms_full(i, path, false);
+ return label_fix(path, false, false);
}
static int write_one_file(Item *i, const char *path) {
- int flags;
- int fd = -1;
+ _cleanup_close_ int fd = -1;
+ int flags, r = 0;
struct stat st;
- int r = 0;
assert(i);
assert(path);
- flags = i->type == CREATE_FILE ? O_CREAT|O_APPEND :
- i->type == TRUNCATE_FILE ? O_CREAT|O_TRUNC : 0;
+ flags = i->type == CREATE_FILE ? O_CREAT|O_APPEND|O_NOFOLLOW :
+ i->type == TRUNCATE_FILE ? O_CREAT|O_TRUNC|O_NOFOLLOW : 0;
- RUN_WITH_UMASK(0) {
- label_context_set(path, S_IFREG);
- fd = open(path, flags|O_NDELAY|O_CLOEXEC|O_WRONLY|O_NOCTTY|O_NOFOLLOW, i->mode);
- label_context_clear();
+ RUN_WITH_UMASK(0000) {
+ mac_selinux_create_file_prepare(path, S_IFREG);
+ fd = open(path, flags|O_NDELAY|O_CLOEXEC|O_WRONLY|O_NOCTTY, i->mode);
+ mac_selinux_create_file_clear();
}
if (fd < 0) {
size_t l;
unescaped = cunescape(i->argument);
- if (unescaped == NULL) {
- safe_close(fd);
+ if (!unescaped)
return log_oom();
- }
l = strlen(unescaped);
n = write(fd, unescaped, l);
if (n < 0 || (size_t) n < l) {
log_error("Failed to write file %s: %s", path, n < 0 ? strerror(-n) : "Short write");
- safe_close(fd);
return n < 0 ? n : -EIO;
}
}
- safe_close(fd);
+ fd = safe_close(fd);
if (stat(path, &st) < 0) {
log_error("stat(%s) failed: %m", path);
break;
case COPY_FILES:
- r = copy_tree(i->argument, i->path);
+ r = copy_tree(i->argument, i->path, false);
if (r < 0) {
- log_error("Failed to copy files: %s", strerror(-r));
- return r;
+ struct stat a, b;
+
+ if (r != -EEXIST)
+ return log_error_errno(r, "Failed to copy files to %s: %m", i->path);
+
+ if (stat(i->argument, &a) < 0) {
+ log_error("stat(%s) failed: %m", i->argument);
+ return -errno;
+ }
+
+ if (stat(i->path, &b) < 0) {
+ log_error("stat(%s) failed: %m", i->path);
+ return -errno;
+ }
+
+ if ((a.st_mode ^ b.st_mode) & S_IFMT) {
+ log_debug("Can't copy to %s, file exists already and is of different type", i->path);
+ return 0;
+ }
}
r = item_set_perms(i, i->path);
RUN_WITH_UMASK(0000) {
mkdir_parents_label(i->path, 0755);
- r = mkdir(i->path, i->mode);
+ r = mkdir_label(i->path, i->mode);
}
- if (r < 0 && errno != EEXIST) {
- log_error("Failed to create directory %s: %m", i->path);
- return -errno;
- }
+ if (r < 0) {
+ if (r != -EEXIST)
+ return log_error_errno(r, "Failed to create directory %s: %m", i->path);
- if (stat(i->path, &st) < 0) {
- log_error("stat(%s) failed: %m", i->path);
- return -errno;
- }
+ if (stat(i->path, &st) < 0) {
+ log_error("stat(%s) failed: %m", i->path);
+ return -errno;
+ }
- if (!S_ISDIR(st.st_mode)) {
- log_error("%s is not a directory.", i->path);
- return -EEXIST;
+ if (!S_ISDIR(st.st_mode)) {
+ log_debug("%s already exists and is not a directory.", i->path);
+ return 0;
+ }
}
r = item_set_perms(i, i->path);
case CREATE_FIFO:
RUN_WITH_UMASK(0000) {
+ mac_selinux_create_file_prepare(i->path, S_IFIFO);
r = mkfifo(i->path, i->mode);
+ mac_selinux_create_file_clear();
}
- if (r < 0 && errno != EEXIST) {
- log_error("Failed to create fifo %s: %m", i->path);
- return -errno;
- }
+ if (r < 0) {
+ if (errno != EEXIST) {
+ log_error("Failed to create fifo %s: %m", i->path);
+ return -errno;
+ }
- if (stat(i->path, &st) < 0) {
- log_error("stat(%s) failed: %m", i->path);
- return -errno;
- }
+ if (stat(i->path, &st) < 0) {
+ log_error("stat(%s) failed: %m", i->path);
+ return -errno;
+ }
+
+ if (!S_ISFIFO(st.st_mode)) {
+
+ if (i->force) {
- if (!S_ISFIFO(st.st_mode)) {
- log_error("%s is not a fifo.", i->path);
- return -EEXIST;
+ RUN_WITH_UMASK(0000) {
+ mac_selinux_create_file_prepare(i->path, S_IFIFO);
+ r = mkfifo_atomic(i->path, i->mode);
+ mac_selinux_create_file_clear();
+ }
+
+ if (r < 0)
+ return log_error_errno(r, "Failed to create fifo %s: %m", i->path);
+ } else {
+ log_debug("%s is not a fifo.", i->path);
+ return 0;
+ }
+ }
}
r = item_set_perms(i, i->path);
break;
- case CREATE_SYMLINK: {
- _cleanup_free_ char *x = NULL;
+ case CREATE_SYMLINK:
- label_context_set(i->path, S_IFLNK);
+ mac_selinux_create_file_prepare(i->path, S_IFLNK);
r = symlink(i->argument, i->path);
- label_context_clear();
-
- if (r < 0 && errno != EEXIST) {
- log_error("symlink(%s, %s) failed: %m", i->argument, i->path);
- return -errno;
- }
+ mac_selinux_create_file_clear();
- r = readlink_malloc(i->path, &x);
if (r < 0) {
- log_error("readlink(%s) failed: %s", i->path, strerror(-r));
- return -errno;
- }
+ _cleanup_free_ char *x = NULL;
+
+ if (errno != EEXIST) {
+ log_error("symlink(%s, %s) failed: %m", i->argument, i->path);
+ return -errno;
+ }
+
+ r = readlink_malloc(i->path, &x);
+ if (r < 0 || !streq(i->argument, x)) {
- if (!streq(i->argument, x)) {
- log_error("%s is not the right symlink.", i->path);
- return -EEXIST;
+ if (i->force) {
+ mac_selinux_create_file_prepare(i->path, S_IFLNK);
+ r = symlink_atomic(i->argument, i->path);
+ mac_selinux_create_file_clear();
+
+ if (r < 0)
+ return log_error_errno(r, "symlink(%s, %s) failed: %m", i->argument, i->path);
+ } else {
+ log_debug("%s is not a symlink or does not point to the correct path.", i->path);
+ return 0;
+ }
+ }
}
break;
- }
case CREATE_BLOCK_DEVICE:
case CREATE_CHAR_DEVICE: {
return 0;
}
- file_type = (i->type == CREATE_BLOCK_DEVICE ? S_IFBLK : S_IFCHR);
+ file_type = i->type == CREATE_BLOCK_DEVICE ? S_IFBLK : S_IFCHR;
RUN_WITH_UMASK(0000) {
- label_context_set(i->path, file_type);
+ mac_selinux_create_file_prepare(i->path, file_type);
r = mknod(i->path, i->mode | file_type, i->major_minor);
- label_context_clear();
+ mac_selinux_create_file_clear();
}
- if (r < 0 && errno != EEXIST) {
- log_error("Failed to create device node %s: %m", i->path);
- return -errno;
- }
+ if (r < 0) {
+ if (errno == EPERM) {
+ log_debug("We lack permissions, possibly because of cgroup configuration; "
+ "skipping creation of device node %s.", i->path);
+ return 0;
+ }
- if (stat(i->path, &st) < 0) {
- log_error("stat(%s) failed: %m", i->path);
- return -errno;
- }
+ if (errno != EEXIST) {
+ log_error("Failed to create device node %s: %m", i->path);
+ return -errno;
+ }
+
+ if (stat(i->path, &st) < 0) {
+ log_error("stat(%s) failed: %m", i->path);
+ return -errno;
+ }
- if ((st.st_mode & S_IFMT) != file_type) {
- log_error("%s is not a device node.", i->path);
- return -EEXIST;
+ if ((st.st_mode & S_IFMT) != file_type) {
+
+ if (i->force) {
+
+ RUN_WITH_UMASK(0000) {
+ mac_selinux_create_file_prepare(i->path, file_type);
+ r = mknod_atomic(i->path, i->mode | file_type, i->major_minor);
+ mac_selinux_create_file_clear();
+ }
+
+ if (r < 0)
+ return log_error_errno(r, "Failed to create device node %s: %m", i->path);
+ } else {
+ log_debug("%s is not a device node.", i->path);
+ return 0;
+ }
+ }
}
r = item_set_perms(i, i->path);
/* FIXME: we probably should use dir_cleanup() here
* instead of rm_rf() so that 'x' is honoured. */
r = rm_rf_dangerous(instance, false, i->type == RECURSIVE_REMOVE_PATH, false);
- if (r < 0 && r != -ENOENT) {
- log_error("rm_rf(%s): %s", instance, strerror(-r));
- return r;
- }
+ if (r < 0 && r != -ENOENT)
+ return log_error_errno(r, "rm_rf(%s): %m", instance);
break;
}
static int process_item(Item *i) {
int r, q, p;
- char prefix[PATH_MAX];
+ _cleanup_free_ char *prefix = NULL;
assert(i);
i->done = true;
+ prefix = malloc(strlen(i->path) + 1);
+ if (!prefix)
+ return log_oom();
+
PATH_FOREACH_PREFIX(prefix, i->path) {
Item *j;
}
static void item_free(Item *i) {
- assert(i);
+
+ if (!i)
+ return;
free(i->path);
free(i->argument);
static bool should_include_path(const char *path) {
char **prefix;
- STRV_FOREACH(prefix, arg_exclude_prefixes) {
+ STRV_FOREACH(prefix, arg_exclude_prefixes)
if (path_startswith(path, *prefix))
return false;
- }
- STRV_FOREACH(prefix, arg_include_prefixes) {
+ STRV_FOREACH(prefix, arg_include_prefixes)
if (path_startswith(path, *prefix))
return true;
- }
/* no matches, so we should include this path only if we
* have no whitelist at all */
return -EIO;
}
- if (strlen(action) > 2 || (strlen(action) > 1 && action[1] != '!')) {
- log_error("[%s:%u] Unknown modifier '%s'", fname, line, action);
+ if (isempty(action)) {
+ log_error("[%s:%u] Command too short '%s'.", fname, line, action);
+ return -EINVAL;
+ }
+
+ if (strlen(action) > 1 && !in_charset(action+1, "!+")) {
+ log_error("[%s:%u] Unknown modifiers in command '%s'", fname, line, action);
return -EINVAL;
- } else if (strlen(action) > 1 && !arg_boot)
+ }
+
+ if (strchr(action+1, '!') && !arg_boot)
return 0;
type = action[0];
if (!i)
return log_oom();
+ i->force = !!strchr(action+1, '+');
+
r = specifier_printf(path, specifier_table, NULL, &i->path);
if (r < 0) {
log_error("[%s:%u] Failed to replace specifiers: %s", fname, line, path);
}
}
- switch(type) {
+ switch (type) {
case CREATE_FILE:
case TRUNCATE_FILE:
case CREATE_SYMLINK:
if (!i->argument) {
- log_error("[%s:%u] Symlink file requires argument.", fname, line);
- return -EBADMSG;
+ i->argument = strappend("/usr/share/factory", i->path);
+ if (!i->argument)
+ return log_oom();
}
-
break;
case WRITE_FILE:
case COPY_FILES:
if (!i->argument) {
- log_error("[%s:%u] Copy files requires argument.", fname, line);
- return -EBADMSG;
+ i->argument = strappend("/usr/share/factory", i->path);
+ if (!i->argument)
+ return log_oom();
}
if (!path_is_absolute(i->argument)) {
}
default:
- log_error("[%s:%u] Unknown file type '%c'.", fname, line, type);
+ log_error("[%s:%u] Unknown command type '%c'.", fname, line, type);
return -EBADMSG;
}
}
if (mode && !streq(mode, "-")) {
+ const char *mm = mode;
unsigned m;
- if (sscanf(mode, "%o", &m) != 1) {
+ if (*mm == '~') {
+ i->mask_perms = true;
+ mm++;
+ }
+
+ if (sscanf(mm, "%o", &m) != 1) {
log_error("[%s:%u] Invalid mode '%s'.", fname, line, mode);
return -ENOENT;
}
}
r = hashmap_put(h, i->path, i);
- if (r < 0) {
- log_error("Failed to insert item %s: %s", i->path, strerror(-r));
- return r;
- }
+ if (r < 0)
+ return log_error_errno(r, "Failed to insert item %s: %m", i->path);
i = NULL; /* avoid cleanup */
return 0;
}
-static int help(void) {
-
+static void help(void) {
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"
" --exclude-prefix=PATH Ignore rules that apply to paths with the specified prefix\n"
" --root=PATH Operate on an alternate filesystem root\n",
program_invocation_short_name);
-
- return 0;
}
static int parse_argv(int argc, char *argv[]) {
assert(argc >= 0);
assert(argv);
- while ((c = getopt_long(argc, argv, "h", options, NULL)) >= 0) {
+ while ((c = getopt_long(argc, argv, "h", options, NULL)) >= 0)
switch (c) {
case 'h':
- return help();
+ help();
+ return 0;
case ARG_VERSION:
puts(PACKAGE_STRING);
break;
case ARG_ROOT:
+ free(arg_root);
arg_root = path_make_absolute_cwd(optarg);
if (!arg_root)
return log_oom();
+
path_kill_slashes(arg_root);
break;
default:
assert_not_reached("Unhandled option");
}
- }
if (!arg_clean && !arg_create && !arg_remove) {
log_error("You need to specify at least one of --clean, --create or --remove.");
if (ignore_enoent && r == -ENOENT)
return 0;
- log_error("Failed to open '%s', ignoring: %s", fn, strerror(-r));
- return r;
+ return log_error_errno(r, "Failed to open '%s', ignoring: %m", fn);
}
FOREACH_LINE(line, f, break) {
candidate_item = j;
}
- if (candidate_item) {
+ if (candidate_item && candidate_item->age_set) {
i->age = candidate_item->age;
i->age_set = true;
}
r = parse_argv(argc, argv);
if (r <= 0)
- return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS;
+ goto finish;
log_set_target(LOG_TARGET_AUTO);
log_parse_environment();
umask(0022);
- label_init(NULL);
+ mac_selinux_init(NULL);
- items = hashmap_new(string_hash_func, string_compare_func);
- globs = hashmap_new(string_hash_func, string_compare_func);
+ items = hashmap_new(&string_hash_ops);
+ globs = hashmap_new(&string_hash_ops);
if (!items || !globs) {
r = log_oom();
r = conf_files_list_nulstr(&files, ".conf", arg_root, conf_file_dirs);
if (r < 0) {
- log_error("Failed to enumerate tmpfiles.d files: %s", strerror(-r));
+ log_error_errno(r, "Failed to enumerate tmpfiles.d files: %m");
goto finish;
}
set_free_free(unix_sockets);
- label_finish();
+ mac_selinux_finish();
return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS;
}
~ianmdlvl / elogind.git / blobdiff