Prep v221: Update and clean up build system to sync with upstream

[elogind.git] / src / shared / smack-util.c

diff --git a/src/shared/smack-util.c b/src/shared/smack-util.c
deleted file mode 100644 (file)
index 047aa29..0000000
--- a/src/shared/smack-util.c
+++ /dev/null
@@ -1,208 +0,0 @@
-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
-/***
-  This file is part of systemd.
-
-  Copyright 2013 Intel Corporation
-
-  Author: Auke Kok <auke-jan.h.kok@intel.com>
-
-  systemd is free software; you can redistribute it and/or modify it
-  under the terms of the GNU Lesser General Public License as published by
-  the Free Software Foundation; either version 2.1 of the License, or
-  (at your option) any later version.
-
-  systemd is distributed in the hope that it will be useful, but
-  WITHOUT ANY WARRANTY; without even the implied warranty of
-  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-  Lesser General Public License for more details.
-
-  You should have received a copy of the GNU Lesser General Public License
-  along with systemd; If not, see <http://www.gnu.org/licenses/>.
-***/
-
-#include <sys/xattr.h>
-
-#include "util.h"
-#include "process-util.h"
-#include "path-util.h"
-#include "fileio.h"
-#include "smack-util.h"
-
-#define SMACK_FLOOR_LABEL "_"
-#define SMACK_STAR_LABEL  "*"
-
-bool mac_smack_use(void) {
-#ifdef HAVE_SMACK
-        static int cached_use = -1;
-
-        if (cached_use < 0)
-                cached_use = access("/sys/fs/smackfs/", F_OK) >= 0;
-
-        return cached_use;
-#else
-        return false;
-#endif
-}
-
-int mac_smack_apply(const char *path, const char *label) {
-        int r = 0;
-
-        assert(path);
-
-#ifdef HAVE_SMACK
-        if (!mac_smack_use())
-                return 0;
-
-        if (label)
-                r = lsetxattr(path, "security.SMACK64", label, strlen(label), 0);
-        else
-                r = lremovexattr(path, "security.SMACK64");
-        if (r < 0)
-                return -errno;
-#endif
-
-        return r;
-}
-
-int mac_smack_apply_fd(int fd, const char *label) {
-        int r = 0;
-
-        assert(fd >= 0);
-
-#ifdef HAVE_SMACK
-        if (!mac_smack_use())
-                return 0;
-
-        if (label)
-                r = fsetxattr(fd, "security.SMACK64", label, strlen(label), 0);
-        else
-                r = fremovexattr(fd, "security.SMACK64");
-        if (r < 0)
-                return -errno;
-#endif
-
-        return r;
-}
-
-int mac_smack_apply_ip_out_fd(int fd, const char *label) {
-        int r = 0;
-
-        assert(fd >= 0);
-
-#ifdef HAVE_SMACK
-        if (!mac_smack_use())
-                return 0;
-
-        if (label)
-                r = fsetxattr(fd, "security.SMACK64IPOUT", label, strlen(label), 0);
-        else
-                r = fremovexattr(fd, "security.SMACK64IPOUT");
-        if (r < 0)
-                return -errno;
-#endif
-
-        return r;
-}
-
-int mac_smack_apply_ip_in_fd(int fd, const char *label) {
-        int r = 0;
-
-        assert(fd >= 0);
-
-#ifdef HAVE_SMACK
-        if (!mac_smack_use())
-                return 0;
-
-        if (label)
-                r = fsetxattr(fd, "security.SMACK64IPIN", label, strlen(label), 0);
-        else
-                r = fremovexattr(fd, "security.SMACK64IPIN");
-        if (r < 0)
-                return -errno;
-#endif
-
-        return r;
-}
-
-int mac_smack_apply_pid(pid_t pid, const char *label) {
-
-#ifdef HAVE_SMACK
-        const char *p;
-#endif
-        int r = 0;
-
-        assert(label);
-
-#ifdef HAVE_SMACK
-        if (!mac_smack_use())
-                return 0;
-
-        p = procfs_file_alloca(pid, "attr/current");
-        r = write_string_file(p, label, 0);
-        if (r < 0)
-                return r;
-#endif
-
-        return r;
-}
-
-int mac_smack_fix(const char *path, bool ignore_enoent, bool ignore_erofs) {
-
-#ifdef HAVE_SMACK
-        struct stat st;
-#endif
-        int r = 0;
-
-        assert(path);
-
-#ifdef HAVE_SMACK
-        if (!mac_smack_use())
-                return 0;
-
-        /*
-         * Path must be in /dev and must exist
-         */
-        if (!path_startswith(path, "/dev"))
-                return 0;
-
-        r = lstat(path, &st);
-        if (r >= 0) {
-                const char *label;
-
-                /*
-                 * Label directories and character devices "*".
-                 * Label symlinks "_".
-                 * Don't change anything else.
-                 */
-
-                if (S_ISDIR(st.st_mode))
-                        label = SMACK_STAR_LABEL;
-                else if (S_ISLNK(st.st_mode))
-                        label = SMACK_FLOOR_LABEL;
-                else if (S_ISCHR(st.st_mode))
-                        label = SMACK_STAR_LABEL;
-                else
-                        return 0;
-
-                r = lsetxattr(path, "security.SMACK64", label, strlen(label), 0);
-
-                /* If the FS doesn't support labels, then exit without warning */
-                if (r < 0 && errno == EOPNOTSUPP)
-                        return 0;
-        }
-
-        if (r < 0) {
-                /* Ignore ENOENT in some cases */
-                if (ignore_enoent && errno == ENOENT)
-                        return 0;
-
-                if (ignore_erofs && errno == EROFS)
-                        return 0;
-
-                r = log_debug_errno(errno, "Unable to fix SMACK label of %s: %m", path);
-        }
-#endif
-
-        return r;
-}