smack: remove duplicated code

Signed-off-by: INSUN PYO <insun.pyo@samsung.com>
Change-Id: I248de63a01529eb490d5ca1585783f8c0679a640

diff --git a/src/core/smack-setup.c b/src/core/smack-setup.c
index 6022f54..5a6d11c 100644 (file)
--- a/src/core/smack-setup.c
+++ b/src/core/smack-setup.c
@@ -38,76 +38,6 @@
 
 #ifdef HAVE_SMACK
 
-static int write_netlabel_rule(const char* srcdir) {
-        _cleanup_close_ int netlabel_fd = -1;
-        _cleanup_closedir_ DIR *dir = NULL;
-        struct dirent *entry;
-        char buf[NAME_MAX];
-        int dfd = -1;
-        int r = 0;
-
-        netlabel_fd = open("/sys/fs/smackfs/netlabel", O_RDWR|O_CLOEXEC|O_NONBLOCK|O_NOCTTY);
-        if (netlabel_fd < 0) {
-                if (errno != ENOENT)
-                        log_warning_errno(errno, "Failed to open '/sys/fs/smackfs/netlabel': %m");
-                return -errno; /* negative error */
-        }
-
-        /* write rules to netlabel from every file in the directory */
-        dir = opendir(srcdir);
-        if (!dir) {
-                if (errno != ENOENT)
-                        log_warning_errno(errno, "Failed to opendir '%s': %m", srcdir);
-                return errno; /* positive on purpose */
-        }
-
-        dfd = dirfd(dir);
-        assert(dfd >= 0);
-
-        FOREACH_DIRENT(entry, dir, return 0) {
-                int fd;
-                _cleanup_fclose_ FILE *policy = NULL;
-
-                if (!dirent_is_file(entry))
-                        continue;
-
-                fd = openat(dfd, entry->d_name, O_RDONLY|O_CLOEXEC);
-                if (fd < 0) {
-                        if (r == 0)
-                                r = -errno;
-                        log_warning_errno(errno, "Failed to open %s: %m", entry->d_name);
-                        continue;
-                }
-
-                policy = fdopen(fd, "re");
-                if (!policy) {
-                        if (r == 0)
-                                r = -errno;
-                        safe_close(fd);
-                        log_error("Failed to open %s: %m", entry->d_name);
-                        continue;
-                }
-
-                /* load2 write rules in the kernel require a line buffered stream */
-                FOREACH_LINE(buf, policy,
-                             log_error("Failed to read line from '%s': %m",
-                                       entry->d_name)) {
-
-                        if (isempty(truncate_nl(buf)))
-                                continue;
-
-                        if (write(netlabel_fd, buf, strlen(buf)) < 0) {
-                                if (r == 0)
-                                        r = -errno;
-                                log_error_errno(errno, "Failed to write '%s' to '/sys/fs/smackfs/netlabel' in '%s'", buf, entry->d_name);
-                                break;
-                        }
-                }
-        }
-
-       return r;
-}
-
 static int write_access2_rules(const char* srcdir) {
         _cleanup_close_ int load2_fd = -1, change_fd = -1;
         _cleanup_closedir_ DIR *dir = NULL;
@@ -408,24 +338,8 @@ int mac_smack_setup(bool *loaded_policy) {
                 break;
         }
 
-        r = write_netlabel_rule("/etc/smack/netlabel.d/");
-        switch(r) {
-        case -ENOENT:
-                log_debug("Smack/CIPSO is not enabled in the kernel.");
-                return 0;
-        case ENOENT:
-                log_debug("Smack network host rules directory '/etc/smack/netlabel.d/' not found");
-                break;
-        case 0:
-                log_info("Successfully loaded Smack network host rules.");
-                break;
-        default:
-                log_warning("Failed to load Smack network host rules: %s, ignoring.",
-                            strerror(abs(r)));
-                break;
-        }
-
         *loaded_policy = true;
+
 #endif
 
         return 0;