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85c8721f | 1 | /* audit.h -- Auditing support |
1da177e4 LT |
2 | * |
3 | * Copyright 2003-2004 Red Hat Inc., Durham, North Carolina. | |
4 | * All Rights Reserved. | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License as published by | |
8 | * the Free Software Foundation; either version 2 of the License, or | |
9 | * (at your option) any later version. | |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
17 | * along with this program; if not, write to the Free Software | |
18 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
19 | * | |
20 | * Written by Rickard E. (Rik) Faith <faith@redhat.com> | |
21 | * | |
22 | */ | |
23 | ||
24 | #ifndef _LINUX_AUDIT_H_ | |
25 | #define _LINUX_AUDIT_H_ | |
26 | ||
3b46e650 | 27 | #include <linux/types.h> |
f001e47f | 28 | #include <linux/elf-em.h> |
d7e7528b | 29 | #include <linux/ptrace.h> |
2fd6f58b | 30 | |
c0404993 SG |
31 | /* The netlink messages for the audit system is divided into blocks: |
32 | * 1000 - 1099 are for commanding the audit system | |
33 | * 1100 - 1199 user space trusted application messages | |
34 | * 1200 - 1299 messages internal to the audit daemon | |
35 | * 1300 - 1399 audit event messages | |
36 | * 1400 - 1499 SE Linux use | |
90d526c0 SG |
37 | * 1500 - 1599 kernel LSPP events |
38 | * 1600 - 1699 kernel crypto events | |
5bdb9886 | 39 | * 1700 - 1799 kernel anomaly records |
523979ad MZ |
40 | * 1800 - 1899 kernel integrity events |
41 | * 1900 - 1999 future kernel use | |
90d526c0 SG |
42 | * 2000 is for otherwise unclassified kernel audit messages (legacy) |
43 | * 2001 - 2099 unused (kernel) | |
44 | * 2100 - 2199 user space anomaly records | |
45 | * 2200 - 2299 user space actions taken in response to anomalies | |
46 | * 2300 - 2399 user space generated LSPP events | |
47 | * 2400 - 2499 user space crypto events | |
48 | * 2500 - 2999 future user space (maybe integrity labels and related events) | |
c0404993 | 49 | * |
90d526c0 SG |
50 | * Messages from 1000-1199 are bi-directional. 1200-1299 & 2100 - 2999 are |
51 | * exclusively user space. 1300-2099 is kernel --> user space | |
52 | * communication. | |
c0404993 | 53 | */ |
c2f0c7c3 SG |
54 | #define AUDIT_GET 1000 /* Get status */ |
55 | #define AUDIT_SET 1001 /* Set status (enable/disable/auditd) */ | |
93315ed6 AG |
56 | #define AUDIT_LIST 1002 /* List syscall rules -- deprecated */ |
57 | #define AUDIT_ADD 1003 /* Add syscall rule -- deprecated */ | |
58 | #define AUDIT_DEL 1004 /* Delete syscall rule -- deprecated */ | |
c0404993 | 59 | #define AUDIT_USER 1005 /* Message from userspace -- deprecated */ |
c2f0c7c3 | 60 | #define AUDIT_LOGIN 1006 /* Define the login id and information */ |
c0404993 SG |
61 | #define AUDIT_WATCH_INS 1007 /* Insert file/dir watch entry */ |
62 | #define AUDIT_WATCH_REM 1008 /* Remove file/dir watch entry */ | |
63 | #define AUDIT_WATCH_LIST 1009 /* List all file/dir watches */ | |
64 | #define AUDIT_SIGNAL_INFO 1010 /* Get info about sender of signal to auditd */ | |
93315ed6 AG |
65 | #define AUDIT_ADD_RULE 1011 /* Add syscall filtering rule */ |
66 | #define AUDIT_DEL_RULE 1012 /* Delete syscall filtering rule */ | |
67 | #define AUDIT_LIST_RULES 1013 /* List syscall filtering rules */ | |
74c3cbe3 AV |
68 | #define AUDIT_TRIM 1014 /* Trim junk from watched tree */ |
69 | #define AUDIT_MAKE_EQUIV 1015 /* Append to watched tree */ | |
6dc2c1b7 MT |
70 | #define AUDIT_TTY_GET 1016 /* Get TTY auditing status */ |
71 | #define AUDIT_TTY_SET 1017 /* Set TTY auditing status */ | |
c0404993 | 72 | |
4a4cd633 DW |
73 | #define AUDIT_FIRST_USER_MSG 1100 /* Userspace messages mostly uninteresting to kernel */ |
74 | #define AUDIT_USER_AVC 1107 /* We filter this differently */ | |
522ed776 | 75 | #define AUDIT_USER_TTY 1124 /* Non-ICANON TTY input meaning */ |
209aba03 | 76 | #define AUDIT_LAST_USER_MSG 1199 |
90d526c0 SG |
77 | #define AUDIT_FIRST_USER_MSG2 2100 /* More user space messages */ |
78 | #define AUDIT_LAST_USER_MSG2 2999 | |
c0404993 SG |
79 | |
80 | #define AUDIT_DAEMON_START 1200 /* Daemon startup record */ | |
81 | #define AUDIT_DAEMON_END 1201 /* Daemon normal stop record */ | |
82 | #define AUDIT_DAEMON_ABORT 1202 /* Daemon error stop record */ | |
83 | #define AUDIT_DAEMON_CONFIG 1203 /* Daemon config change */ | |
84 | ||
85 | #define AUDIT_SYSCALL 1300 /* Syscall event */ | |
c8e649ba | 86 | /* #define AUDIT_FS_WATCH 1301 * Deprecated */ |
8f37d47c | 87 | #define AUDIT_PATH 1302 /* Filename path information */ |
c0404993 | 88 | #define AUDIT_IPC 1303 /* IPC record */ |
3ec3b2fb | 89 | #define AUDIT_SOCKETCALL 1304 /* sys_socketcall arguments */ |
c0404993 | 90 | #define AUDIT_CONFIG_CHANGE 1305 /* Audit system configuration change */ |
3ec3b2fb | 91 | #define AUDIT_SOCKADDR 1306 /* sockaddr copied as syscall arg */ |
8f37d47c | 92 | #define AUDIT_CWD 1307 /* Current working directory */ |
473ae30b | 93 | #define AUDIT_EXECVE 1309 /* execve arguments */ |
073115d6 | 94 | #define AUDIT_IPC_SET_PERM 1311 /* IPC new permissions record type */ |
20ca73bc GW |
95 | #define AUDIT_MQ_OPEN 1312 /* POSIX MQ open record type */ |
96 | #define AUDIT_MQ_SENDRECV 1313 /* POSIX MQ send/receive record type */ | |
97 | #define AUDIT_MQ_NOTIFY 1314 /* POSIX MQ notify record type */ | |
98 | #define AUDIT_MQ_GETSETATTR 1315 /* POSIX MQ get/set attribute record type */ | |
c8e649ba | 99 | #define AUDIT_KERNEL_OTHER 1316 /* For use by 3rd party modules */ |
db349509 | 100 | #define AUDIT_FD_PAIR 1317 /* audit record for pipe/socketpair */ |
a5cb013d | 101 | #define AUDIT_OBJ_PID 1318 /* ptrace target */ |
522ed776 | 102 | #define AUDIT_TTY 1319 /* Input on an administrative TTY */ |
c0641f28 | 103 | #define AUDIT_EOE 1320 /* End of multi-record event */ |
3fc689e9 | 104 | #define AUDIT_BPRM_FCAPS 1321 /* Information about fcaps increasing perms */ |
e68b75a0 | 105 | #define AUDIT_CAPSET 1322 /* Record showing argument to sys_capset */ |
120a795d | 106 | #define AUDIT_MMAP 1323 /* Record showing descriptor and flags in mmap */ |
43f393ca | 107 | #define AUDIT_NETFILTER_PKT 1324 /* Packets traversing netfilter chains */ |
fbabf31e | 108 | #define AUDIT_NETFILTER_CFG 1325 /* Netfilter chain modifications */ |
c0404993 SG |
109 | |
110 | #define AUDIT_AVC 1400 /* SE Linux avc denial or grant */ | |
111 | #define AUDIT_SELINUX_ERR 1401 /* Internal SE Linux Errors */ | |
01116105 | 112 | #define AUDIT_AVC_PATH 1402 /* dentry, vfsmount pair from avc */ |
af601e46 SG |
113 | #define AUDIT_MAC_POLICY_LOAD 1403 /* Policy file load */ |
114 | #define AUDIT_MAC_STATUS 1404 /* Changed enforcing,permissive,off */ | |
115 | #define AUDIT_MAC_CONFIG_CHANGE 1405 /* Changes to booleans */ | |
95d4e6be PM |
116 | #define AUDIT_MAC_UNLBL_ALLOW 1406 /* NetLabel: allow unlabeled traffic */ |
117 | #define AUDIT_MAC_CIPSOV4_ADD 1407 /* NetLabel: add CIPSOv4 DOI entry */ | |
118 | #define AUDIT_MAC_CIPSOV4_DEL 1408 /* NetLabel: del CIPSOv4 DOI entry */ | |
119 | #define AUDIT_MAC_MAP_ADD 1409 /* NetLabel: add LSM domain mapping */ | |
120 | #define AUDIT_MAC_MAP_DEL 1410 /* NetLabel: del LSM domain mapping */ | |
ab5f5e8b JL |
121 | #define AUDIT_MAC_IPSEC_ADDSA 1411 /* Not used */ |
122 | #define AUDIT_MAC_IPSEC_DELSA 1412 /* Not used */ | |
123 | #define AUDIT_MAC_IPSEC_ADDSPD 1413 /* Not used */ | |
124 | #define AUDIT_MAC_IPSEC_DELSPD 1414 /* Not used */ | |
125 | #define AUDIT_MAC_IPSEC_EVENT 1415 /* Audit an IPSec event */ | |
13541b3a PM |
126 | #define AUDIT_MAC_UNLBL_STCADD 1416 /* NetLabel: add a static label */ |
127 | #define AUDIT_MAC_UNLBL_STCDEL 1417 /* NetLabel: del a static label */ | |
c2f0c7c3 | 128 | |
5bdb9886 SG |
129 | #define AUDIT_FIRST_KERN_ANOM_MSG 1700 |
130 | #define AUDIT_LAST_KERN_ANOM_MSG 1799 | |
131 | #define AUDIT_ANOM_PROMISCUOUS 1700 /* Device changed promiscuous mode */ | |
0a4ff8c2 | 132 | #define AUDIT_ANOM_ABEND 1701 /* Process ended abnormally */ |
3323eec9 MZ |
133 | #define AUDIT_INTEGRITY_DATA 1800 /* Data integrity verification */ |
134 | #define AUDIT_INTEGRITY_METADATA 1801 /* Metadata integrity verification */ | |
135 | #define AUDIT_INTEGRITY_STATUS 1802 /* Integrity enable status */ | |
136 | #define AUDIT_INTEGRITY_HASH 1803 /* Integrity HASH type */ | |
137 | #define AUDIT_INTEGRITY_PCR 1804 /* PCR invalidation msgs */ | |
523979ad | 138 | #define AUDIT_INTEGRITY_RULE 1805 /* policy rule */ |
5bdb9886 | 139 | |
c2f0c7c3 | 140 | #define AUDIT_KERNEL 2000 /* Asynchronous audit record. NOT A REQUEST. */ |
1da177e4 LT |
141 | |
142 | /* Rule flags */ | |
0f45aa18 DW |
143 | #define AUDIT_FILTER_USER 0x00 /* Apply rule to user-generated messages */ |
144 | #define AUDIT_FILTER_TASK 0x01 /* Apply rule at task creation (not syscall) */ | |
145 | #define AUDIT_FILTER_ENTRY 0x02 /* Apply rule at syscall entry */ | |
146 | #define AUDIT_FILTER_WATCH 0x03 /* Apply rule to file system watches */ | |
147 | #define AUDIT_FILTER_EXIT 0x04 /* Apply rule at syscall exit */ | |
c8edc80c | 148 | #define AUDIT_FILTER_TYPE 0x05 /* Apply rule at audit_log_start */ |
0f45aa18 | 149 | |
c8edc80c | 150 | #define AUDIT_NR_FILTERS 6 |
0f45aa18 DW |
151 | |
152 | #define AUDIT_FILTER_PREPEND 0x10 /* Prepend to front of list */ | |
1da177e4 LT |
153 | |
154 | /* Rule actions */ | |
155 | #define AUDIT_NEVER 0 /* Do not build context if rule matches */ | |
156 | #define AUDIT_POSSIBLE 1 /* Build context if rule matches */ | |
157 | #define AUDIT_ALWAYS 2 /* Generate audit record if rule matches */ | |
158 | ||
159 | /* Rule structure sizes -- if these change, different AUDIT_ADD and | |
160 | * AUDIT_LIST commands must be implemented. */ | |
161 | #define AUDIT_MAX_FIELDS 64 | |
a42da93c | 162 | #define AUDIT_MAX_KEY_LEN 256 |
1da177e4 LT |
163 | #define AUDIT_BITMASK_SIZE 64 |
164 | #define AUDIT_WORD(nr) ((__u32)((nr)/32)) | |
165 | #define AUDIT_BIT(nr) (1 << ((nr) - AUDIT_WORD(nr)*32)) | |
166 | ||
b915543b AV |
167 | #define AUDIT_SYSCALL_CLASSES 16 |
168 | #define AUDIT_CLASS_DIR_WRITE 0 | |
169 | #define AUDIT_CLASS_DIR_WRITE_32 1 | |
170 | #define AUDIT_CLASS_CHATTR 2 | |
171 | #define AUDIT_CLASS_CHATTR_32 3 | |
dc104fb3 AV |
172 | #define AUDIT_CLASS_READ 4 |
173 | #define AUDIT_CLASS_READ_32 5 | |
174 | #define AUDIT_CLASS_WRITE 6 | |
175 | #define AUDIT_CLASS_WRITE_32 7 | |
7f13da40 AG |
176 | #define AUDIT_CLASS_SIGNAL 8 |
177 | #define AUDIT_CLASS_SIGNAL_32 9 | |
b915543b | 178 | |
b63862f4 DK |
179 | /* This bitmask is used to validate user input. It represents all bits that |
180 | * are currently used in an audit field constant understood by the kernel. | |
181 | * If you are adding a new #define AUDIT_<whatever>, please ensure that | |
182 | * AUDIT_UNUSED_BITS is updated if need be. */ | |
74f2345b | 183 | #define AUDIT_UNUSED_BITS 0x07FFFC00 |
b63862f4 | 184 | |
02d86a56 EP |
185 | /* AUDIT_FIELD_COMPARE rule list */ |
186 | #define AUDIT_COMPARE_UID_TO_OBJ_UID 1 | |
c9fe685f | 187 | #define AUDIT_COMPARE_GID_TO_OBJ_GID 2 |
4a6633ed PM |
188 | #define AUDIT_COMPARE_EUID_TO_OBJ_UID 3 |
189 | #define AUDIT_COMPARE_EGID_TO_OBJ_GID 4 | |
190 | #define AUDIT_COMPARE_AUID_TO_OBJ_UID 5 | |
191 | #define AUDIT_COMPARE_SUID_TO_OBJ_UID 6 | |
192 | #define AUDIT_COMPARE_SGID_TO_OBJ_GID 7 | |
193 | #define AUDIT_COMPARE_FSUID_TO_OBJ_UID 8 | |
194 | #define AUDIT_COMPARE_FSGID_TO_OBJ_GID 9 | |
195 | ||
10d68360 PM |
196 | #define AUDIT_COMPARE_UID_TO_AUID 10 |
197 | #define AUDIT_COMPARE_UID_TO_EUID 11 | |
198 | #define AUDIT_COMPARE_UID_TO_FSUID 12 | |
199 | #define AUDIT_COMPARE_UID_TO_SUID 13 | |
200 | ||
201 | #define AUDIT_COMPARE_AUID_TO_FSUID 14 | |
202 | #define AUDIT_COMPARE_AUID_TO_SUID 15 | |
203 | #define AUDIT_COMPARE_AUID_TO_EUID 16 | |
204 | ||
205 | #define AUDIT_COMPARE_EUID_TO_SUID 17 | |
206 | #define AUDIT_COMPARE_EUID_TO_FSUID 18 | |
207 | ||
208 | #define AUDIT_COMPARE_SUID_TO_FSUID 19 | |
209 | ||
210 | #define AUDIT_COMPARE_GID_TO_EGID 20 | |
211 | #define AUDIT_COMPARE_GID_TO_FSGID 21 | |
212 | #define AUDIT_COMPARE_GID_TO_SGID 22 | |
213 | ||
214 | #define AUDIT_COMPARE_EGID_TO_FSGID 23 | |
215 | #define AUDIT_COMPARE_EGID_TO_SGID 24 | |
216 | #define AUDIT_COMPARE_SGID_TO_FSGID 25 | |
217 | ||
218 | #define AUDIT_MAX_FIELD_COMPARE AUDIT_COMPARE_SGID_TO_FSGID | |
b63862f4 | 219 | |
1da177e4 LT |
220 | /* Rule fields */ |
221 | /* These are useful when checking the | |
222 | * task structure at task creation time | |
223 | * (AUDIT_PER_TASK). */ | |
224 | #define AUDIT_PID 0 | |
225 | #define AUDIT_UID 1 | |
226 | #define AUDIT_EUID 2 | |
227 | #define AUDIT_SUID 3 | |
228 | #define AUDIT_FSUID 4 | |
229 | #define AUDIT_GID 5 | |
230 | #define AUDIT_EGID 6 | |
231 | #define AUDIT_SGID 7 | |
232 | #define AUDIT_FSGID 8 | |
233 | #define AUDIT_LOGINUID 9 | |
234 | #define AUDIT_PERS 10 | |
2fd6f58b | 235 | #define AUDIT_ARCH 11 |
c8edc80c | 236 | #define AUDIT_MSGTYPE 12 |
3a6b9f85 DG |
237 | #define AUDIT_SUBJ_USER 13 /* security label user */ |
238 | #define AUDIT_SUBJ_ROLE 14 /* security label role */ | |
239 | #define AUDIT_SUBJ_TYPE 15 /* security label type */ | |
240 | #define AUDIT_SUBJ_SEN 16 /* security label sensitivity label */ | |
241 | #define AUDIT_SUBJ_CLR 17 /* security label clearance label */ | |
3c66251e | 242 | #define AUDIT_PPID 18 |
3a6b9f85 DG |
243 | #define AUDIT_OBJ_USER 19 |
244 | #define AUDIT_OBJ_ROLE 20 | |
245 | #define AUDIT_OBJ_TYPE 21 | |
246 | #define AUDIT_OBJ_LEV_LOW 22 | |
247 | #define AUDIT_OBJ_LEV_HIGH 23 | |
1da177e4 LT |
248 | |
249 | /* These are ONLY useful when checking | |
250 | * at syscall exit time (AUDIT_AT_EXIT). */ | |
251 | #define AUDIT_DEVMAJOR 100 | |
252 | #define AUDIT_DEVMINOR 101 | |
253 | #define AUDIT_INODE 102 | |
254 | #define AUDIT_EXIT 103 | |
255 | #define AUDIT_SUCCESS 104 /* exit >= 0; value ignored */ | |
f368c07d | 256 | #define AUDIT_WATCH 105 |
55669bfa | 257 | #define AUDIT_PERM 106 |
74c3cbe3 | 258 | #define AUDIT_DIR 107 |
8b67dca9 | 259 | #define AUDIT_FILETYPE 108 |
efaffd6e | 260 | #define AUDIT_OBJ_UID 109 |
54d3218b | 261 | #define AUDIT_OBJ_GID 110 |
02d86a56 | 262 | #define AUDIT_FIELD_COMPARE 111 |
1da177e4 LT |
263 | |
264 | #define AUDIT_ARG0 200 | |
265 | #define AUDIT_ARG1 (AUDIT_ARG0+1) | |
266 | #define AUDIT_ARG2 (AUDIT_ARG0+2) | |
267 | #define AUDIT_ARG3 (AUDIT_ARG0+3) | |
268 | ||
5adc8a6a AG |
269 | #define AUDIT_FILTERKEY 210 |
270 | ||
b63862f4 DK |
271 | #define AUDIT_NEGATE 0x80000000 |
272 | ||
273 | /* These are the supported operators. | |
74f2345b EP |
274 | * 4 2 1 8 |
275 | * = > < ? | |
276 | * ---------- | |
277 | * 0 0 0 0 00 nonsense | |
278 | * 0 0 0 1 08 & bit mask | |
279 | * 0 0 1 0 10 < | |
280 | * 0 1 0 0 20 > | |
281 | * 0 1 1 0 30 != | |
282 | * 1 0 0 0 40 = | |
283 | * 1 0 0 1 48 &= bit test | |
284 | * 1 0 1 0 50 <= | |
285 | * 1 1 0 0 60 >= | |
286 | * 1 1 1 1 78 all operators | |
b63862f4 | 287 | */ |
74f2345b | 288 | #define AUDIT_BIT_MASK 0x08000000 |
b63862f4 DK |
289 | #define AUDIT_LESS_THAN 0x10000000 |
290 | #define AUDIT_GREATER_THAN 0x20000000 | |
291 | #define AUDIT_NOT_EQUAL 0x30000000 | |
292 | #define AUDIT_EQUAL 0x40000000 | |
74f2345b | 293 | #define AUDIT_BIT_TEST (AUDIT_BIT_MASK|AUDIT_EQUAL) |
b63862f4 DK |
294 | #define AUDIT_LESS_THAN_OR_EQUAL (AUDIT_LESS_THAN|AUDIT_EQUAL) |
295 | #define AUDIT_GREATER_THAN_OR_EQUAL (AUDIT_GREATER_THAN|AUDIT_EQUAL) | |
74f2345b | 296 | #define AUDIT_OPERATORS (AUDIT_EQUAL|AUDIT_NOT_EQUAL|AUDIT_BIT_MASK) |
1da177e4 | 297 | |
5af75d8d AV |
298 | enum { |
299 | Audit_equal, | |
300 | Audit_not_equal, | |
301 | Audit_bitmask, | |
302 | Audit_bittest, | |
303 | Audit_lt, | |
304 | Audit_gt, | |
305 | Audit_le, | |
306 | Audit_ge, | |
307 | Audit_bad | |
308 | }; | |
309 | ||
1da177e4 LT |
310 | /* Status symbols */ |
311 | /* Mask values */ | |
312 | #define AUDIT_STATUS_ENABLED 0x0001 | |
313 | #define AUDIT_STATUS_FAILURE 0x0002 | |
314 | #define AUDIT_STATUS_PID 0x0004 | |
315 | #define AUDIT_STATUS_RATE_LIMIT 0x0008 | |
316 | #define AUDIT_STATUS_BACKLOG_LIMIT 0x0010 | |
317 | /* Failure-to-log actions */ | |
318 | #define AUDIT_FAIL_SILENT 0 | |
319 | #define AUDIT_FAIL_PRINTK 1 | |
320 | #define AUDIT_FAIL_PANIC 2 | |
321 | ||
2fd6f58b DW |
322 | /* distinguish syscall tables */ |
323 | #define __AUDIT_ARCH_64BIT 0x80000000 | |
324 | #define __AUDIT_ARCH_LE 0x40000000 | |
325 | #define AUDIT_ARCH_ALPHA (EM_ALPHA|__AUDIT_ARCH_64BIT|__AUDIT_ARCH_LE) | |
326 | #define AUDIT_ARCH_ARM (EM_ARM|__AUDIT_ARCH_LE) | |
327 | #define AUDIT_ARCH_ARMEB (EM_ARM) | |
328 | #define AUDIT_ARCH_CRIS (EM_CRIS|__AUDIT_ARCH_LE) | |
329 | #define AUDIT_ARCH_FRV (EM_FRV) | |
330 | #define AUDIT_ARCH_H8300 (EM_H8_300) | |
331 | #define AUDIT_ARCH_I386 (EM_386|__AUDIT_ARCH_LE) | |
332 | #define AUDIT_ARCH_IA64 (EM_IA_64|__AUDIT_ARCH_64BIT|__AUDIT_ARCH_LE) | |
333 | #define AUDIT_ARCH_M32R (EM_M32R) | |
334 | #define AUDIT_ARCH_M68K (EM_68K) | |
335 | #define AUDIT_ARCH_MIPS (EM_MIPS) | |
336 | #define AUDIT_ARCH_MIPSEL (EM_MIPS|__AUDIT_ARCH_LE) | |
337 | #define AUDIT_ARCH_MIPS64 (EM_MIPS|__AUDIT_ARCH_64BIT) | |
338 | #define AUDIT_ARCH_MIPSEL64 (EM_MIPS|__AUDIT_ARCH_64BIT|__AUDIT_ARCH_LE) | |
339 | #define AUDIT_ARCH_PARISC (EM_PARISC) | |
340 | #define AUDIT_ARCH_PARISC64 (EM_PARISC|__AUDIT_ARCH_64BIT) | |
341 | #define AUDIT_ARCH_PPC (EM_PPC) | |
342 | #define AUDIT_ARCH_PPC64 (EM_PPC64|__AUDIT_ARCH_64BIT) | |
343 | #define AUDIT_ARCH_S390 (EM_S390) | |
344 | #define AUDIT_ARCH_S390X (EM_S390|__AUDIT_ARCH_64BIT) | |
345 | #define AUDIT_ARCH_SH (EM_SH) | |
346 | #define AUDIT_ARCH_SHEL (EM_SH|__AUDIT_ARCH_LE) | |
347 | #define AUDIT_ARCH_SH64 (EM_SH|__AUDIT_ARCH_64BIT) | |
348 | #define AUDIT_ARCH_SHEL64 (EM_SH|__AUDIT_ARCH_64BIT|__AUDIT_ARCH_LE) | |
349 | #define AUDIT_ARCH_SPARC (EM_SPARC) | |
f7ceba36 | 350 | #define AUDIT_ARCH_SPARC64 (EM_SPARCV9|__AUDIT_ARCH_64BIT) |
2fd6f58b DW |
351 | #define AUDIT_ARCH_X86_64 (EM_X86_64|__AUDIT_ARCH_64BIT|__AUDIT_ARCH_LE) |
352 | ||
55669bfa AV |
353 | #define AUDIT_PERM_EXEC 1 |
354 | #define AUDIT_PERM_WRITE 2 | |
355 | #define AUDIT_PERM_READ 4 | |
356 | #define AUDIT_PERM_ATTR 8 | |
357 | ||
1da177e4 LT |
358 | struct audit_status { |
359 | __u32 mask; /* Bit mask for valid entries */ | |
23f32d18 | 360 | __u32 enabled; /* 1 = enabled, 0 = disabled */ |
1da177e4 LT |
361 | __u32 failure; /* Failure-to-log action */ |
362 | __u32 pid; /* pid of auditd process */ | |
363 | __u32 rate_limit; /* messages rate limit (per second) */ | |
364 | __u32 backlog_limit; /* waiting messages limit */ | |
365 | __u32 lost; /* messages lost */ | |
366 | __u32 backlog; /* messages waiting in queue */ | |
367 | }; | |
368 | ||
522ed776 MT |
369 | struct audit_tty_status { |
370 | __u32 enabled; /* 1 = enabled, 0 = disabled */ | |
371 | }; | |
372 | ||
93315ed6 AG |
373 | /* audit_rule_data supports filter rules with both integer and string |
374 | * fields. It corresponds with AUDIT_ADD_RULE, AUDIT_DEL_RULE and | |
375 | * AUDIT_LIST_RULES requests. | |
376 | */ | |
377 | struct audit_rule_data { | |
378 | __u32 flags; /* AUDIT_PER_{TASK,CALL}, AUDIT_PREPEND */ | |
379 | __u32 action; /* AUDIT_NEVER, AUDIT_POSSIBLE, AUDIT_ALWAYS */ | |
380 | __u32 field_count; | |
5d330108 | 381 | __u32 mask[AUDIT_BITMASK_SIZE]; /* syscall(s) affected */ |
93315ed6 AG |
382 | __u32 fields[AUDIT_MAX_FIELDS]; |
383 | __u32 values[AUDIT_MAX_FIELDS]; | |
384 | __u32 fieldflags[AUDIT_MAX_FIELDS]; | |
385 | __u32 buflen; /* total length of string fields */ | |
386 | char buf[0]; /* string fields buffer */ | |
387 | }; | |
388 | ||
389 | /* audit_rule is supported to maintain backward compatibility with | |
390 | * userspace. It supports integer fields only and corresponds to | |
391 | * AUDIT_ADD, AUDIT_DEL and AUDIT_LIST requests. | |
392 | */ | |
1da177e4 LT |
393 | struct audit_rule { /* for AUDIT_LIST, AUDIT_ADD, and AUDIT_DEL */ |
394 | __u32 flags; /* AUDIT_PER_{TASK,CALL}, AUDIT_PREPEND */ | |
395 | __u32 action; /* AUDIT_NEVER, AUDIT_POSSIBLE, AUDIT_ALWAYS */ | |
396 | __u32 field_count; | |
397 | __u32 mask[AUDIT_BITMASK_SIZE]; | |
398 | __u32 fields[AUDIT_MAX_FIELDS]; | |
399 | __u32 values[AUDIT_MAX_FIELDS]; | |
400 | }; | |
401 | ||
402 | #ifdef __KERNEL__ | |
f001e47f | 403 | #include <linux/sched.h> |
1da177e4 | 404 | |
c2f0c7c3 SG |
405 | struct audit_sig_info { |
406 | uid_t uid; | |
407 | pid_t pid; | |
e1396065 | 408 | char ctx[0]; |
c2f0c7c3 SG |
409 | }; |
410 | ||
1da177e4 LT |
411 | struct audit_buffer; |
412 | struct audit_context; | |
413 | struct inode; | |
5bb289b5 | 414 | struct netlink_skb_parms; |
37721e1b | 415 | struct path; |
473ae30b | 416 | struct linux_binprm; |
20ca73bc GW |
417 | struct mq_attr; |
418 | struct mqstat; | |
9d57a7f9 AD |
419 | struct audit_watch; |
420 | struct audit_tree; | |
421 | ||
422 | struct audit_krule { | |
423 | int vers_ops; | |
424 | u32 flags; | |
425 | u32 listnr; | |
426 | u32 action; | |
427 | u32 mask[AUDIT_BITMASK_SIZE]; | |
428 | u32 buflen; /* for data alloc on list rules */ | |
429 | u32 field_count; | |
430 | char *filterkey; /* ties events to rules */ | |
431 | struct audit_field *fields; | |
432 | struct audit_field *arch_f; /* quick access to arch field */ | |
433 | struct audit_field *inode_f; /* quick access to an inode field */ | |
434 | struct audit_watch *watch; /* associated watch */ | |
435 | struct audit_tree *tree; /* associated watched tree */ | |
436 | struct list_head rlist; /* entry in audit_{watch,tree}.rules list */ | |
e45aa212 | 437 | struct list_head list; /* for AUDIT_LIST* purposes only */ |
0590b933 | 438 | u64 prio; |
9d57a7f9 AD |
439 | }; |
440 | ||
441 | struct audit_field { | |
442 | u32 type; | |
443 | u32 val; | |
444 | u32 op; | |
04305e4a AD |
445 | char *lsm_str; |
446 | void *lsm_rule; | |
9d57a7f9 | 447 | }; |
1da177e4 | 448 | |
b915543b | 449 | extern int __init audit_register_class(int class, unsigned *list); |
55669bfa | 450 | extern int audit_classify_syscall(int abi, unsigned syscall); |
e54dc243 | 451 | extern int audit_classify_arch(int arch); |
1da177e4 LT |
452 | #ifdef CONFIG_AUDITSYSCALL |
453 | /* These are defined in auditsc.c */ | |
454 | /* Public API */ | |
455 | extern int audit_alloc(struct task_struct *task); | |
a4ff8dba | 456 | extern void __audit_free(struct task_struct *task); |
b05d8447 EP |
457 | extern void __audit_syscall_entry(int arch, |
458 | int major, unsigned long a0, unsigned long a1, | |
459 | unsigned long a2, unsigned long a3); | |
d7e7528b | 460 | extern void __audit_syscall_exit(int ret_success, long ret_value); |
d8945bb5 | 461 | extern void __audit_getname(const char *name); |
1da177e4 | 462 | extern void audit_putname(const char *name); |
5a190ae6 | 463 | extern void __audit_inode(const char *name, const struct dentry *dentry); |
cccc6bba | 464 | extern void __audit_inode_child(const struct dentry *dentry, |
73d3ec5a | 465 | const struct inode *parent); |
85e7bac3 | 466 | extern void __audit_seccomp(unsigned long syscall); |
a5cb013d AV |
467 | extern void __audit_ptrace(struct task_struct *t); |
468 | ||
d51374ad AV |
469 | static inline int audit_dummy_context(void) |
470 | { | |
471 | void *p = current->audit_context; | |
472 | return !p || *(int *)p; | |
473 | } | |
a4ff8dba EP |
474 | static inline void audit_free(struct task_struct *task) |
475 | { | |
476 | if (unlikely(task->audit_context)) | |
477 | __audit_free(task); | |
478 | } | |
b05d8447 EP |
479 | static inline void audit_syscall_entry(int arch, int major, unsigned long a0, |
480 | unsigned long a1, unsigned long a2, | |
481 | unsigned long a3) | |
482 | { | |
483 | if (unlikely(!audit_dummy_context())) | |
484 | __audit_syscall_entry(arch, major, a0, a1, a2, a3); | |
485 | } | |
d7e7528b EP |
486 | static inline void audit_syscall_exit(void *pt_regs) |
487 | { | |
488 | if (unlikely(current->audit_context)) { | |
489 | int success = is_syscall_success(pt_regs); | |
490 | int return_code = regs_return_value(pt_regs); | |
491 | ||
492 | __audit_syscall_exit(success, return_code); | |
493 | } | |
494 | } | |
d8945bb5 AV |
495 | static inline void audit_getname(const char *name) |
496 | { | |
5ac3a9c2 | 497 | if (unlikely(!audit_dummy_context())) |
d8945bb5 AV |
498 | __audit_getname(name); |
499 | } | |
5a190ae6 | 500 | static inline void audit_inode(const char *name, const struct dentry *dentry) { |
5ac3a9c2 | 501 | if (unlikely(!audit_dummy_context())) |
5a190ae6 | 502 | __audit_inode(name, dentry); |
73241ccc | 503 | } |
cccc6bba | 504 | static inline void audit_inode_child(const struct dentry *dentry, |
73d3ec5a | 505 | const struct inode *parent) { |
5ac3a9c2 | 506 | if (unlikely(!audit_dummy_context())) |
cccc6bba | 507 | __audit_inode_child(dentry, parent); |
73241ccc | 508 | } |
0a4ff8c2 | 509 | void audit_core_dumps(long signr); |
1da177e4 | 510 | |
85e7bac3 EP |
511 | static inline void audit_seccomp(unsigned long syscall) |
512 | { | |
513 | if (unlikely(!audit_dummy_context())) | |
514 | __audit_seccomp(syscall); | |
515 | } | |
516 | ||
a5cb013d AV |
517 | static inline void audit_ptrace(struct task_struct *t) |
518 | { | |
519 | if (unlikely(!audit_dummy_context())) | |
520 | __audit_ptrace(t); | |
521 | } | |
522 | ||
1da177e4 | 523 | /* Private API (for audit.c only) */ |
bfb4496e | 524 | extern unsigned int audit_serial(void); |
48887e63 | 525 | extern int auditsc_get_stamp(struct audit_context *ctx, |
bfb4496e | 526 | struct timespec *t, unsigned int *serial); |
0a300be6 | 527 | extern int audit_set_loginuid(uid_t loginuid); |
bfef93a5 | 528 | #define audit_get_loginuid(t) ((t)->loginuid) |
4746ec5b | 529 | #define audit_get_sessionid(t) ((t)->sessionid) |
161a09e7 | 530 | extern void audit_log_task_context(struct audit_buffer *ab); |
a33e6751 | 531 | extern void __audit_ipc_obj(struct kern_ipc_perm *ipcp); |
2570ebbd | 532 | extern void __audit_ipc_set_perm(unsigned long qbytes, uid_t uid, gid_t gid, umode_t mode); |
07c49417 EP |
533 | extern int __audit_bprm(struct linux_binprm *bprm); |
534 | extern void __audit_socketcall(int nargs, unsigned long *args); | |
535 | extern int __audit_sockaddr(int len, void *addr); | |
157cf649 | 536 | extern void __audit_fd_pair(int fd1, int fd2); |
df0a4283 | 537 | extern void __audit_mq_open(int oflag, umode_t mode, struct mq_attr *attr); |
c32c8af4 | 538 | extern void __audit_mq_sendrecv(mqd_t mqdes, size_t msg_len, unsigned int msg_prio, const struct timespec *abs_timeout); |
20114f71 | 539 | extern void __audit_mq_notify(mqd_t mqdes, const struct sigevent *notification); |
7392906e | 540 | extern void __audit_mq_getsetattr(mqd_t mqdes, struct mq_attr *mqstat); |
d84f4f99 DH |
541 | extern int __audit_log_bprm_fcaps(struct linux_binprm *bprm, |
542 | const struct cred *new, | |
543 | const struct cred *old); | |
57f71a0a | 544 | extern void __audit_log_capset(pid_t pid, const struct cred *new, const struct cred *old); |
120a795d | 545 | extern void __audit_mmap_fd(int fd, int flags); |
d8945bb5 | 546 | |
a33e6751 | 547 | static inline void audit_ipc_obj(struct kern_ipc_perm *ipcp) |
d8945bb5 | 548 | { |
5ac3a9c2 | 549 | if (unlikely(!audit_dummy_context())) |
a33e6751 | 550 | __audit_ipc_obj(ipcp); |
db349509 | 551 | } |
157cf649 | 552 | static inline void audit_fd_pair(int fd1, int fd2) |
d8945bb5 | 553 | { |
5ac3a9c2 | 554 | if (unlikely(!audit_dummy_context())) |
157cf649 | 555 | __audit_fd_pair(fd1, fd2); |
d8945bb5 | 556 | } |
2570ebbd | 557 | static inline void audit_ipc_set_perm(unsigned long qbytes, uid_t uid, gid_t gid, umode_t mode) |
20ca73bc | 558 | { |
5ac3a9c2 | 559 | if (unlikely(!audit_dummy_context())) |
e816f370 | 560 | __audit_ipc_set_perm(qbytes, uid, gid, mode); |
20ca73bc | 561 | } |
07c49417 EP |
562 | static inline int audit_bprm(struct linux_binprm *bprm) |
563 | { | |
564 | if (unlikely(!audit_dummy_context())) | |
565 | return __audit_bprm(bprm); | |
566 | return 0; | |
567 | } | |
568 | static inline void audit_socketcall(int nargs, unsigned long *args) | |
569 | { | |
570 | if (unlikely(!audit_dummy_context())) | |
571 | __audit_socketcall(nargs, args); | |
572 | } | |
573 | static inline int audit_sockaddr(int len, void *addr) | |
574 | { | |
575 | if (unlikely(!audit_dummy_context())) | |
576 | return __audit_sockaddr(len, addr); | |
577 | return 0; | |
578 | } | |
df0a4283 | 579 | static inline void audit_mq_open(int oflag, umode_t mode, struct mq_attr *attr) |
20ca73bc | 580 | { |
5ac3a9c2 | 581 | if (unlikely(!audit_dummy_context())) |
564f6993 | 582 | __audit_mq_open(oflag, mode, attr); |
20ca73bc | 583 | } |
c32c8af4 | 584 | static inline void audit_mq_sendrecv(mqd_t mqdes, size_t msg_len, unsigned int msg_prio, const struct timespec *abs_timeout) |
20ca73bc | 585 | { |
5ac3a9c2 | 586 | if (unlikely(!audit_dummy_context())) |
c32c8af4 | 587 | __audit_mq_sendrecv(mqdes, msg_len, msg_prio, abs_timeout); |
20ca73bc | 588 | } |
20114f71 | 589 | static inline void audit_mq_notify(mqd_t mqdes, const struct sigevent *notification) |
20ca73bc | 590 | { |
5ac3a9c2 | 591 | if (unlikely(!audit_dummy_context())) |
20114f71 | 592 | __audit_mq_notify(mqdes, notification); |
20ca73bc | 593 | } |
7392906e | 594 | static inline void audit_mq_getsetattr(mqd_t mqdes, struct mq_attr *mqstat) |
20ca73bc | 595 | { |
5ac3a9c2 | 596 | if (unlikely(!audit_dummy_context())) |
7392906e | 597 | __audit_mq_getsetattr(mqdes, mqstat); |
20ca73bc | 598 | } |
3fc689e9 | 599 | |
d84f4f99 DH |
600 | static inline int audit_log_bprm_fcaps(struct linux_binprm *bprm, |
601 | const struct cred *new, | |
602 | const struct cred *old) | |
3fc689e9 EP |
603 | { |
604 | if (unlikely(!audit_dummy_context())) | |
d84f4f99 DH |
605 | return __audit_log_bprm_fcaps(bprm, new, old); |
606 | return 0; | |
3fc689e9 EP |
607 | } |
608 | ||
57f71a0a | 609 | static inline void audit_log_capset(pid_t pid, const struct cred *new, |
d84f4f99 | 610 | const struct cred *old) |
e68b75a0 EP |
611 | { |
612 | if (unlikely(!audit_dummy_context())) | |
57f71a0a | 613 | __audit_log_capset(pid, new, old); |
e68b75a0 EP |
614 | } |
615 | ||
120a795d AV |
616 | static inline void audit_mmap_fd(int fd, int flags) |
617 | { | |
618 | if (unlikely(!audit_dummy_context())) | |
619 | __audit_mmap_fd(fd, flags); | |
620 | } | |
621 | ||
471a5c7c | 622 | extern int audit_n_rules; |
e54dc243 | 623 | extern int audit_signals; |
d7e7528b | 624 | #else /* CONFIG_AUDITSYSCALL */ |
1da177e4 LT |
625 | #define audit_alloc(t) ({ 0; }) |
626 | #define audit_free(t) do { ; } while (0) | |
5411be59 | 627 | #define audit_syscall_entry(ta,a,b,c,d,e) do { ; } while (0) |
d7e7528b | 628 | #define audit_syscall_exit(r) do { ; } while (0) |
d51374ad | 629 | #define audit_dummy_context() 1 |
1da177e4 LT |
630 | #define audit_getname(n) do { ; } while (0) |
631 | #define audit_putname(n) do { ; } while (0) | |
5a190ae6 | 632 | #define __audit_inode(n,d) do { ; } while (0) |
cccc6bba | 633 | #define __audit_inode_child(i,p) do { ; } while (0) |
1676effc | 634 | #define audit_inode(n,d) do { (void)(d); } while (0) |
cccc6bba | 635 | #define audit_inode_child(i,p) do { ; } while (0) |
0a4ff8c2 | 636 | #define audit_core_dumps(i) do { ; } while (0) |
85e7bac3 | 637 | #define audit_seccomp(i) do { ; } while (0) |
48887e63 | 638 | #define auditsc_get_stamp(c,t,s) (0) |
0c11b942 | 639 | #define audit_get_loginuid(t) (-1) |
4746ec5b | 640 | #define audit_get_sessionid(t) (-1) |
161a09e7 | 641 | #define audit_log_task_context(b) do { ; } while (0) |
a33e6751 | 642 | #define audit_ipc_obj(i) ((void)0) |
e816f370 | 643 | #define audit_ipc_set_perm(q,u,g,m) ((void)0) |
473ae30b | 644 | #define audit_bprm(p) ({ 0; }) |
f3298dc4 | 645 | #define audit_socketcall(n,a) ((void)0) |
157cf649 | 646 | #define audit_fd_pair(n,a) ((void)0) |
3ec3b2fb | 647 | #define audit_sockaddr(len, addr) ({ 0; }) |
564f6993 | 648 | #define audit_mq_open(o,m,a) ((void)0) |
c32c8af4 | 649 | #define audit_mq_sendrecv(d,l,p,t) ((void)0) |
20114f71 | 650 | #define audit_mq_notify(d,n) ((void)0) |
7392906e | 651 | #define audit_mq_getsetattr(d,s) ((void)0) |
d84f4f99 | 652 | #define audit_log_bprm_fcaps(b, ncr, ocr) ({ 0; }) |
57f71a0a | 653 | #define audit_log_capset(pid, ncr, ocr) ((void)0) |
120a795d | 654 | #define audit_mmap_fd(fd, flags) ((void)0) |
a5cb013d | 655 | #define audit_ptrace(t) ((void)0) |
471a5c7c | 656 | #define audit_n_rules 0 |
e54dc243 | 657 | #define audit_signals 0 |
d7e7528b | 658 | #endif /* CONFIG_AUDITSYSCALL */ |
1da177e4 LT |
659 | |
660 | #ifdef CONFIG_AUDIT | |
661 | /* These are defined in audit.c */ | |
662 | /* Public API */ | |
b9075fa9 JP |
663 | extern __printf(4, 5) |
664 | void audit_log(struct audit_context *ctx, gfp_t gfp_mask, int type, | |
665 | const char *fmt, ...); | |
1da177e4 | 666 | |
9796fdd8 | 667 | extern struct audit_buffer *audit_log_start(struct audit_context *ctx, gfp_t gfp_mask, int type); |
b9075fa9 JP |
668 | extern __printf(2, 3) |
669 | void audit_log_format(struct audit_buffer *ab, const char *fmt, ...); | |
1da177e4 | 670 | extern void audit_log_end(struct audit_buffer *ab); |
de6bbd1d EP |
671 | extern int audit_string_contains_control(const char *string, |
672 | size_t len); | |
b556f8ad EP |
673 | extern void audit_log_n_hex(struct audit_buffer *ab, |
674 | const unsigned char *buf, | |
675 | size_t len); | |
676 | extern void audit_log_n_string(struct audit_buffer *ab, | |
677 | const char *buf, | |
678 | size_t n); | |
679 | #define audit_log_string(a,b) audit_log_n_string(a, b, strlen(b)); | |
680 | extern void audit_log_n_untrustedstring(struct audit_buffer *ab, | |
681 | const char *string, | |
682 | size_t n); | |
de6bbd1d | 683 | extern void audit_log_untrustedstring(struct audit_buffer *ab, |
83c7d091 | 684 | const char *string); |
1da177e4 LT |
685 | extern void audit_log_d_path(struct audit_buffer *ab, |
686 | const char *prefix, | |
66b3fad3 | 687 | const struct path *path); |
9d960985 EP |
688 | extern void audit_log_key(struct audit_buffer *ab, |
689 | char *key); | |
522ed776 | 690 | extern void audit_log_lost(const char *message); |
131ad62d MDF |
691 | #ifdef CONFIG_SECURITY |
692 | extern void audit_log_secctx(struct audit_buffer *ab, u32 secid); | |
693 | #else | |
694 | #define audit_log_secctx(b,s) do { ; } while (0) | |
695 | #endif | |
696 | ||
9d57a7f9 AD |
697 | extern int audit_update_lsm_rules(void); |
698 | ||
fe7752ba | 699 | /* Private API (for audit.c only) */ |
d8de7247 | 700 | extern int audit_filter_user(struct netlink_skb_parms *cb); |
fe7752ba DW |
701 | extern int audit_filter_type(int type); |
702 | extern int audit_receive_filter(int type, int pid, int uid, int seq, | |
2532386f EP |
703 | void *data, size_t datasz, uid_t loginuid, |
704 | u32 sessionid, u32 sid); | |
522ed776 | 705 | extern int audit_enabled; |
1da177e4 | 706 | #else |
7b430437 | 707 | #define audit_log(c,g,t,f,...) do { ; } while (0) |
13774024 | 708 | #define audit_log_start(c,g,t) ({ NULL; }) |
1da177e4 LT |
709 | #define audit_log_vformat(b,f,a) do { ; } while (0) |
710 | #define audit_log_format(b,f,...) do { ; } while (0) | |
711 | #define audit_log_end(b) do { ; } while (0) | |
b556f8ad EP |
712 | #define audit_log_n_hex(a,b,l) do { ; } while (0) |
713 | #define audit_log_n_string(a,c,l) do { ; } while (0) | |
714 | #define audit_log_string(a,c) do { ; } while (0) | |
9c937dcc | 715 | #define audit_log_n_untrustedstring(a,n,s) do { ; } while (0) |
b556f8ad | 716 | #define audit_log_untrustedstring(a,s) do { ; } while (0) |
44707fdf | 717 | #define audit_log_d_path(b, p, d) do { ; } while (0) |
9d960985 | 718 | #define audit_log_key(b, k) do { ; } while (0) |
131ad62d | 719 | #define audit_log_secctx(b,s) do { ; } while (0) |
522ed776 | 720 | #define audit_enabled 0 |
1da177e4 LT |
721 | #endif |
722 | #endif | |
723 | #endif |