/* 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[];enum audit_mode { AUDIT_NORMAL, /* follow normal auditing of accesses */ AUDIT_QUIET_DENIED, /* quiet all denied access messages */ AUDIT_QUIET_ALLOWED, /* quiet all allowed access messages */ AUDIT_QUIET, /* quiet all messages */ AUDIT_NOQUIET, /* do not quiet audit messages */ AUDIT_ALL, /* audit all accesses */ AUDIT_MODE_NAMES_COUNT /* Must be last entry */}; 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" #define OP_USERNS_CREATE "userns_create" #define OP_URING_OVERRIDE "uring_override"#define OP_URING_SQPOLL "uring_sqpoll" struct apparmor_audit_data { int error; int type; u16 class; const char *op; const struct cred *subj_cred; struct aa_label *subj_label; const char *name; const char *info; u32 request; u32 denied; u32 tags; 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; void *addr; int addrlen; struct { void *addr; int addrlen; } peer; } 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; struct { struct aa_label *target; } uring; }; struct common_audit_data common;}; /* macros for dealing with apparmor_audit_data structure */#define aad(SA) (container_of(SA, struct apparmor_audit_data, common))#define aad_of_va(VA) aad((struct common_audit_data *)(VA)) #define DEFINE_AUDIT_DATA(NAME, T, C, X) \ /* TODO: cleanup audit init so we don't need _aad = {0,} */ \ struct apparmor_audit_data NAME = { \ .class = (C), \ .op = (X), \ .common.type = (T), \ .common.u.tsk = NULL, \ .common.apparmor_audit_data = &NAME, \ }; int aa_select_audit_type(u32 denied, const struct aa_perms *perms); void aa_audit_msg(int type, struct apparmor_audit_data *ad, void (*cb) (struct audit_buffer *, void *));int aa_audit(int type, struct aa_profile *profile, struct apparmor_audit_data *ad, void (*cb) (struct audit_buffer *, void *)); #define aa_audit_error(ERROR, AD, CB) \({ \ (AD)->error = (ERROR); \ aa_audit_msg(AUDIT_APPARMOR_ERROR, (AD), (CB)); \ (AD)->error; \}) int aa_audit_perm_error(struct aa_label *label, u32 request, int error, struct apparmor_audit_data *ad, void (*cb)(struct audit_buffer *, void *)); 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, gfp_t gfp);int aa_audit_rule_known(struct audit_krule *rule);int aa_audit_rule_match(struct lsm_prop *prop, u32 field, u32 op, void *vrule); #endif /* __AA_AUDIT_H */
/* 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[];
enum audit_mode {
AUDIT_NORMAL, /* follow normal auditing of accesses */
AUDIT_QUIET_DENIED, /* quiet all denied access messages */
AUDIT_QUIET_ALLOWED, /* quiet all allowed access messages */
AUDIT_QUIET, /* quiet all messages */
AUDIT_NOQUIET, /* do not quiet audit messages */
AUDIT_ALL, /* audit all accesses */
AUDIT_MODE_NAMES_COUNT /* Must be last entry */
};
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"
#define OP_USERNS_CREATE "userns_create"
#define OP_URING_OVERRIDE "uring_override"
#define OP_URING_SQPOLL "uring_sqpoll"
struct apparmor_audit_data {
int error;
int type;
u16 class;
const char *op;
const struct cred *subj_cred;
struct aa_label *subj_label;
const char *name;
const char *info;
u32 request;
u32 denied;
u32 tags;
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;
void *addr;
int addrlen;
struct {
void *addr;
int addrlen;
} peer;
} 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;
struct {
struct aa_label *target;
} uring;
};
struct common_audit_data common;
};
/* macros for dealing with apparmor_audit_data structure */
#define aad(SA) (container_of(SA, struct apparmor_audit_data, common))
#define aad_of_va(VA) aad((struct common_audit_data *)(VA))
#define DEFINE_AUDIT_DATA(NAME, T, C, X) \
/* TODO: cleanup audit init so we don't need _aad = {0,} */ \
struct apparmor_audit_data NAME = { \
.class = (C), \
.op = (X), \
.common.type = (T), \
.common.u.tsk = NULL, \
.common.apparmor_audit_data = &NAME, \
};
int aa_select_audit_type(u32 denied, const struct aa_perms *perms);
void aa_audit_msg(int type, struct apparmor_audit_data *ad,
void (*cb) (struct audit_buffer *, void *));
int aa_audit(int type, struct aa_profile *profile,
struct apparmor_audit_data *ad,
void (*cb) (struct audit_buffer *, void *));
#define aa_audit_error(ERROR, AD, CB) \
({ \
(AD)->error = (ERROR); \
aa_audit_msg(AUDIT_APPARMOR_ERROR, (AD), (CB)); \
(AD)->error; \
})
int aa_audit_perm_error(struct aa_label *label, u32 request, int error,
struct apparmor_audit_data *ad,
void (*cb)(struct audit_buffer *, void *));
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, gfp_t gfp);
int aa_audit_rule_known(struct audit_krule *rule);
int aa_audit_rule_match(struct lsm_prop *prop, u32 field, u32 op, void *vrule);
#endif /* __AA_AUDIT_H */