1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
|
/* 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;
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;
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;
};
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, \
};
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; \
})
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 */
|
