Adding upstream version 255.4.upstream/255.4

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 53 insertions, 0 deletions

diff --git a/src/shared/smack-util.h b/src/shared/smack-util.h
new file mode 100644
index 0000000..f6ed2ec
--- /dev/null
+++ b/src/shared/smack-util.h
@@ -0,0 +1,53 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+#pragma once
+
+/***
+  Copyright © 2013 Intel Corporation
+
+  Author: Auke Kok <auke-jan.h.kok@intel.com>
+***/
+
+#include <stdbool.h>
+#include <sys/types.h>
+
+#include "label-util.h"
+#include "macro.h"
+
+#define SMACK_FLOOR_LABEL "_"
+#define SMACK_STAR_LABEL  "*"
+
+typedef enum SmackAttr {
+        SMACK_ATTR_ACCESS,
+        SMACK_ATTR_EXEC,
+        SMACK_ATTR_MMAP,
+        SMACK_ATTR_TRANSMUTE,
+        SMACK_ATTR_IPIN,
+        SMACK_ATTR_IPOUT,
+        _SMACK_ATTR_MAX,
+        _SMACK_ATTR_INVALID = -EINVAL,
+} SmackAttr;
+
+bool mac_smack_use(void);
+int mac_smack_init(void);
+
+int mac_smack_fix_full(int atfd, const char *inode_path, const char *label_path, LabelFixFlags flags);
+static inline int mac_smack_fix(const char *path, LabelFixFlags flags) {
+        return mac_smack_fix_full(AT_FDCWD, path, path, flags);
+}
+
+const char* smack_attr_to_string(SmackAttr i) _const_;
+SmackAttr smack_attr_from_string(const char *s) _pure_;
+int mac_smack_read(const char *path, SmackAttr attr, char **label);
+int mac_smack_read_fd(int fd, SmackAttr attr, char **label);
+int mac_smack_apply_at(int dir_fd, const char *path, SmackAttr attr, const char *label);
+static inline int mac_smack_apply(const char *path, SmackAttr attr, const char *label) {
+        return mac_smack_apply_at(AT_FDCWD, path, attr, label);
+}
+int mac_smack_apply_fd(int fd, SmackAttr attr, const char *label);
+int mac_smack_apply_pid(pid_t pid, const char *label);
+int mac_smack_copy(const char *dest, const char *src);
+
+int renameat_and_apply_smack_floor_label(int fdf, const char *from, int fdt, const char *to);
+static inline int rename_and_apply_smack_floor_label(const char *from, const char *to) {
+        return renameat_and_apply_smack_floor_label(AT_FDCWD, from, AT_FDCWD, to);
+}