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-rw-r--r--security/apparmor/include/audit.h193
1 files changed, 193 insertions, 0 deletions
diff --git a/security/apparmor/include/audit.h b/security/apparmor/include/audit.h
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+++ b/security/apparmor/include/audit.h
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+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * AppArmor security module
+ *
+ * This file contains AppArmor auditing function definitions.
+ *
+ * Copyright (C) 1998-2008 Novell/SUSE
+ * Copyright 2009-2010 Canonical Ltd.
+ */
+
+#ifndef __AA_AUDIT_H
+#define __AA_AUDIT_H
+
+#include <linux/audit.h>
+#include <linux/fs.h>
+#include <linux/lsm_audit.h>
+#include <linux/sched.h>
+#include <linux/slab.h>
+
+#include "file.h"
+#include "label.h"
+
+extern const char *const audit_mode_names[];
+#define AUDIT_MAX_INDEX 5
+enum audit_mode {
+ AUDIT_NORMAL, /* follow normal auditing of accesses */
+ AUDIT_QUIET_DENIED, /* quiet all denied access messages */
+ AUDIT_QUIET, /* quiet all messages */
+ AUDIT_NOQUIET, /* do not quiet audit messages */
+ AUDIT_ALL /* audit all accesses */
+};
+
+enum audit_type {
+ AUDIT_APPARMOR_AUDIT,
+ AUDIT_APPARMOR_ALLOWED,
+ AUDIT_APPARMOR_DENIED,
+ AUDIT_APPARMOR_HINT,
+ AUDIT_APPARMOR_STATUS,
+ AUDIT_APPARMOR_ERROR,
+ AUDIT_APPARMOR_KILL,
+ AUDIT_APPARMOR_AUTO
+};
+
+#define OP_NULL NULL
+
+#define OP_SYSCTL "sysctl"
+#define OP_CAPABLE "capable"
+
+#define OP_UNLINK "unlink"
+#define OP_MKDIR "mkdir"
+#define OP_RMDIR "rmdir"
+#define OP_MKNOD "mknod"
+#define OP_TRUNC "truncate"
+#define OP_LINK "link"
+#define OP_SYMLINK "symlink"
+#define OP_RENAME_SRC "rename_src"
+#define OP_RENAME_DEST "rename_dest"
+#define OP_CHMOD "chmod"
+#define OP_CHOWN "chown"
+#define OP_GETATTR "getattr"
+#define OP_OPEN "open"
+
+#define OP_FRECEIVE "file_receive"
+#define OP_FPERM "file_perm"
+#define OP_FLOCK "file_lock"
+#define OP_FMMAP "file_mmap"
+#define OP_FMPROT "file_mprotect"
+#define OP_INHERIT "file_inherit"
+
+#define OP_PIVOTROOT "pivotroot"
+#define OP_MOUNT "mount"
+#define OP_UMOUNT "umount"
+
+#define OP_CREATE "create"
+#define OP_POST_CREATE "post_create"
+#define OP_BIND "bind"
+#define OP_CONNECT "connect"
+#define OP_LISTEN "listen"
+#define OP_ACCEPT "accept"
+#define OP_SENDMSG "sendmsg"
+#define OP_RECVMSG "recvmsg"
+#define OP_GETSOCKNAME "getsockname"
+#define OP_GETPEERNAME "getpeername"
+#define OP_GETSOCKOPT "getsockopt"
+#define OP_SETSOCKOPT "setsockopt"
+#define OP_SHUTDOWN "socket_shutdown"
+
+#define OP_PTRACE "ptrace"
+#define OP_SIGNAL "signal"
+
+#define OP_EXEC "exec"
+
+#define OP_CHANGE_HAT "change_hat"
+#define OP_CHANGE_PROFILE "change_profile"
+#define OP_CHANGE_ONEXEC "change_onexec"
+#define OP_STACK "stack"
+#define OP_STACK_ONEXEC "stack_onexec"
+
+#define OP_SETPROCATTR "setprocattr"
+#define OP_SETRLIMIT "setrlimit"
+
+#define OP_PROF_REPL "profile_replace"
+#define OP_PROF_LOAD "profile_load"
+#define OP_PROF_RM "profile_remove"
+
+
+struct apparmor_audit_data {
+ int error;
+ int type;
+ const char *op;
+ struct aa_label *label;
+ const char *name;
+ const char *info;
+ u32 request;
+ u32 denied;
+ union {
+ /* these entries require a custom callback fn */
+ struct {
+ struct aa_label *peer;
+ union {
+ struct {
+ const char *target;
+ kuid_t ouid;
+ } fs;
+ struct {
+ int rlim;
+ unsigned long max;
+ } rlim;
+ struct {
+ int signal;
+ int unmappedsig;
+ };
+ struct {
+ int type, protocol;
+ struct sock *peer_sk;
+ void *addr;
+ int addrlen;
+ } net;
+ };
+ };
+ struct {
+ struct aa_profile *profile;
+ const char *ns;
+ long pos;
+ } iface;
+ struct {
+ const char *src_name;
+ const char *type;
+ const char *trans;
+ const char *data;
+ unsigned long flags;
+ } mnt;
+ };
+};
+
+/* macros for dealing with apparmor_audit_data structure */
+#define aad(SA) ((SA)->apparmor_audit_data)
+#define DEFINE_AUDIT_DATA(NAME, T, X) \
+ /* TODO: cleanup audit init so we don't need _aad = {0,} */ \
+ struct apparmor_audit_data NAME ## _aad = { .op = (X), }; \
+ struct common_audit_data NAME = \
+ { \
+ .type = (T), \
+ .u.tsk = NULL, \
+ }; \
+ NAME.apparmor_audit_data = &(NAME ## _aad)
+
+void aa_audit_msg(int type, struct common_audit_data *sa,
+ void (*cb) (struct audit_buffer *, void *));
+int aa_audit(int type, struct aa_profile *profile, struct common_audit_data *sa,
+ void (*cb) (struct audit_buffer *, void *));
+
+#define aa_audit_error(ERROR, SA, CB) \
+({ \
+ aad((SA))->error = (ERROR); \
+ aa_audit_msg(AUDIT_APPARMOR_ERROR, (SA), (CB)); \
+ aad((SA))->error; \
+})
+
+
+static inline int complain_error(int error)
+{
+ if (error == -EPERM || error == -EACCES)
+ return 0;
+ return error;
+}
+
+void aa_audit_rule_free(void *vrule);
+int aa_audit_rule_init(u32 field, u32 op, char *rulestr, void **vrule);
+int aa_audit_rule_known(struct audit_krule *rule);
+int aa_audit_rule_match(u32 sid, u32 field, u32 op, void *vrule);
+
+#endif /* __AA_AUDIT_H */