| 85c8721 | 2005-04-29 16:23:29 +0100 | [diff] [blame] | 1 | /* audit.h -- Auditing support |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 | |
Jeff Dike | 3b46e65 | 2007-03-06 01:42:17 -0800 | [diff] [blame] | 27 | #include <linux/types.h> |
David Woodhouse | f001e47 | 2006-04-27 00:11:01 +0100 | [diff] [blame] | 28 | #include <linux/elf-em.h> |
| 2fd6f58 | 2005-04-29 16:08:28 +0100 | [diff] [blame] | 29 | |
Steve Grubb | c040499 | 2005-05-13 18:17:42 +0100 | [diff] [blame] | 30 | /* The netlink messages for the audit system is divided into blocks: |
| 31 | * 1000 - 1099 are for commanding the audit system |
| 32 | * 1100 - 1199 user space trusted application messages |
| 33 | * 1200 - 1299 messages internal to the audit daemon |
| 34 | * 1300 - 1399 audit event messages |
| 35 | * 1400 - 1499 SE Linux use |
Steve Grubb | 90d526c | 2005-11-03 15:48:08 +0000 | [diff] [blame] | 36 | * 1500 - 1599 kernel LSPP events |
| 37 | * 1600 - 1699 kernel crypto events |
Steve Grubb | 5bdb988 | 2005-12-03 08:39:35 -0500 | [diff] [blame] | 38 | * 1700 - 1799 kernel anomaly records |
Mimi Zohar | 523979a | 2009-02-11 11:12:28 -0500 | [diff] [blame] | 39 | * 1800 - 1899 kernel integrity events |
| 40 | * 1900 - 1999 future kernel use |
Steve Grubb | 90d526c | 2005-11-03 15:48:08 +0000 | [diff] [blame] | 41 | * 2000 is for otherwise unclassified kernel audit messages (legacy) |
| 42 | * 2001 - 2099 unused (kernel) |
| 43 | * 2100 - 2199 user space anomaly records |
| 44 | * 2200 - 2299 user space actions taken in response to anomalies |
| 45 | * 2300 - 2399 user space generated LSPP events |
| 46 | * 2400 - 2499 user space crypto events |
| 47 | * 2500 - 2999 future user space (maybe integrity labels and related events) |
Steve Grubb | c040499 | 2005-05-13 18:17:42 +0100 | [diff] [blame] | 48 | * |
Steve Grubb | 90d526c | 2005-11-03 15:48:08 +0000 | [diff] [blame] | 49 | * Messages from 1000-1199 are bi-directional. 1200-1299 & 2100 - 2999 are |
| 50 | * exclusively user space. 1300-2099 is kernel --> user space |
| 51 | * communication. |
Steve Grubb | c040499 | 2005-05-13 18:17:42 +0100 | [diff] [blame] | 52 | */ |
Steve Grubb | c2f0c7c | 2005-05-06 12:38:39 +0100 | [diff] [blame] | 53 | #define AUDIT_GET 1000 /* Get status */ |
| 54 | #define AUDIT_SET 1001 /* Set status (enable/disable/auditd) */ |
Amy Griffis | 93315ed | 2006-02-07 12:05:27 -0500 | [diff] [blame] | 55 | #define AUDIT_LIST 1002 /* List syscall rules -- deprecated */ |
| 56 | #define AUDIT_ADD 1003 /* Add syscall rule -- deprecated */ |
| 57 | #define AUDIT_DEL 1004 /* Delete syscall rule -- deprecated */ |
Steve Grubb | c040499 | 2005-05-13 18:17:42 +0100 | [diff] [blame] | 58 | #define AUDIT_USER 1005 /* Message from userspace -- deprecated */ |
Steve Grubb | c2f0c7c | 2005-05-06 12:38:39 +0100 | [diff] [blame] | 59 | #define AUDIT_LOGIN 1006 /* Define the login id and information */ |
Steve Grubb | c040499 | 2005-05-13 18:17:42 +0100 | [diff] [blame] | 60 | #define AUDIT_WATCH_INS 1007 /* Insert file/dir watch entry */ |
| 61 | #define AUDIT_WATCH_REM 1008 /* Remove file/dir watch entry */ |
| 62 | #define AUDIT_WATCH_LIST 1009 /* List all file/dir watches */ |
| 63 | #define AUDIT_SIGNAL_INFO 1010 /* Get info about sender of signal to auditd */ |
Amy Griffis | 93315ed | 2006-02-07 12:05:27 -0500 | [diff] [blame] | 64 | #define AUDIT_ADD_RULE 1011 /* Add syscall filtering rule */ |
| 65 | #define AUDIT_DEL_RULE 1012 /* Delete syscall filtering rule */ |
| 66 | #define AUDIT_LIST_RULES 1013 /* List syscall filtering rules */ |
Al Viro | 74c3cbe | 2007-07-22 08:04:18 -0400 | [diff] [blame] | 67 | #define AUDIT_TRIM 1014 /* Trim junk from watched tree */ |
| 68 | #define AUDIT_MAKE_EQUIV 1015 /* Append to watched tree */ |
Miloslav Trmac | 6dc2c1b | 2007-08-23 10:19:53 +0100 | [diff] [blame] | 69 | #define AUDIT_TTY_GET 1016 /* Get TTY auditing status */ |
| 70 | #define AUDIT_TTY_SET 1017 /* Set TTY auditing status */ |
Steve Grubb | c040499 | 2005-05-13 18:17:42 +0100 | [diff] [blame] | 71 | |
David Woodhouse | 4a4cd63 | 2005-06-22 14:56:47 +0100 | [diff] [blame] | 72 | #define AUDIT_FIRST_USER_MSG 1100 /* Userspace messages mostly uninteresting to kernel */ |
| 73 | #define AUDIT_USER_AVC 1107 /* We filter this differently */ |
Miloslav Trmac | 522ed77 | 2007-07-15 23:40:56 -0700 | [diff] [blame] | 74 | #define AUDIT_USER_TTY 1124 /* Non-ICANON TTY input meaning */ |
David Woodhouse | 209aba0 | 2005-05-18 10:21:07 +0100 | [diff] [blame] | 75 | #define AUDIT_LAST_USER_MSG 1199 |
Steve Grubb | 90d526c | 2005-11-03 15:48:08 +0000 | [diff] [blame] | 76 | #define AUDIT_FIRST_USER_MSG2 2100 /* More user space messages */ |
| 77 | #define AUDIT_LAST_USER_MSG2 2999 |
Steve Grubb | c040499 | 2005-05-13 18:17:42 +0100 | [diff] [blame] | 78 | |
| 79 | #define AUDIT_DAEMON_START 1200 /* Daemon startup record */ |
| 80 | #define AUDIT_DAEMON_END 1201 /* Daemon normal stop record */ |
| 81 | #define AUDIT_DAEMON_ABORT 1202 /* Daemon error stop record */ |
| 82 | #define AUDIT_DAEMON_CONFIG 1203 /* Daemon config change */ |
| 83 | |
| 84 | #define AUDIT_SYSCALL 1300 /* Syscall event */ |
Steve Grubb | c8e649b | 2006-09-29 11:56:49 -0400 | [diff] [blame] | 85 | /* #define AUDIT_FS_WATCH 1301 * Deprecated */ |
David Woodhouse | 8f37d47 | 2005-05-27 12:17:28 +0100 | [diff] [blame] | 86 | #define AUDIT_PATH 1302 /* Filename path information */ |
Steve Grubb | c040499 | 2005-05-13 18:17:42 +0100 | [diff] [blame] | 87 | #define AUDIT_IPC 1303 /* IPC record */ |
David Woodhouse | 3ec3b2f | 2005-05-17 12:08:48 +0100 | [diff] [blame] | 88 | #define AUDIT_SOCKETCALL 1304 /* sys_socketcall arguments */ |
Steve Grubb | c040499 | 2005-05-13 18:17:42 +0100 | [diff] [blame] | 89 | #define AUDIT_CONFIG_CHANGE 1305 /* Audit system configuration change */ |
David Woodhouse | 3ec3b2f | 2005-05-17 12:08:48 +0100 | [diff] [blame] | 90 | #define AUDIT_SOCKADDR 1306 /* sockaddr copied as syscall arg */ |
David Woodhouse | 8f37d47 | 2005-05-27 12:17:28 +0100 | [diff] [blame] | 91 | #define AUDIT_CWD 1307 /* Current working directory */ |
Al Viro | 473ae30 | 2006-04-26 14:04:08 -0400 | [diff] [blame] | 92 | #define AUDIT_EXECVE 1309 /* execve arguments */ |
Steve Grubb | 073115d | 2006-04-02 17:07:33 -0400 | [diff] [blame] | 93 | #define AUDIT_IPC_SET_PERM 1311 /* IPC new permissions record type */ |
George C. Wilson | 20ca73b | 2006-05-24 16:09:55 -0500 | [diff] [blame] | 94 | #define AUDIT_MQ_OPEN 1312 /* POSIX MQ open record type */ |
| 95 | #define AUDIT_MQ_SENDRECV 1313 /* POSIX MQ send/receive record type */ |
| 96 | #define AUDIT_MQ_NOTIFY 1314 /* POSIX MQ notify record type */ |
| 97 | #define AUDIT_MQ_GETSETATTR 1315 /* POSIX MQ get/set attribute record type */ |
Steve Grubb | c8e649b | 2006-09-29 11:56:49 -0400 | [diff] [blame] | 98 | #define AUDIT_KERNEL_OTHER 1316 /* For use by 3rd party modules */ |
Al Viro | db34950 | 2007-02-07 01:48:00 -0500 | [diff] [blame] | 99 | #define AUDIT_FD_PAIR 1317 /* audit record for pipe/socketpair */ |
Al Viro | a5cb013 | 2007-03-20 13:58:35 -0400 | [diff] [blame] | 100 | #define AUDIT_OBJ_PID 1318 /* ptrace target */ |
Miloslav Trmac | 522ed77 | 2007-07-15 23:40:56 -0700 | [diff] [blame] | 101 | #define AUDIT_TTY 1319 /* Input on an administrative TTY */ |
Eric Paris | c0641f2 | 2008-01-07 13:49:15 -0500 | [diff] [blame] | 102 | #define AUDIT_EOE 1320 /* End of multi-record event */ |
Eric Paris | 3fc689e | 2008-11-11 21:48:18 +1100 | [diff] [blame] | 103 | #define AUDIT_BPRM_FCAPS 1321 /* Information about fcaps increasing perms */ |
Eric Paris | e68b75a0 | 2008-11-11 21:48:22 +1100 | [diff] [blame] | 104 | #define AUDIT_CAPSET 1322 /* Record showing argument to sys_capset */ |
Steve Grubb | c040499 | 2005-05-13 18:17:42 +0100 | [diff] [blame] | 105 | |
| 106 | #define AUDIT_AVC 1400 /* SE Linux avc denial or grant */ |
| 107 | #define AUDIT_SELINUX_ERR 1401 /* Internal SE Linux Errors */ |
Stephen Smalley | 0111610 | 2005-05-21 00:15:52 +0100 | [diff] [blame] | 108 | #define AUDIT_AVC_PATH 1402 /* dentry, vfsmount pair from avc */ |
Steve Grubb | af601e4 | 2006-01-04 14:08:39 +0000 | [diff] [blame] | 109 | #define AUDIT_MAC_POLICY_LOAD 1403 /* Policy file load */ |
| 110 | #define AUDIT_MAC_STATUS 1404 /* Changed enforcing,permissive,off */ |
| 111 | #define AUDIT_MAC_CONFIG_CHANGE 1405 /* Changes to booleans */ |
Paul Moore | 95d4e6b | 2006-09-29 17:05:05 -0700 | [diff] [blame] | 112 | #define AUDIT_MAC_UNLBL_ALLOW 1406 /* NetLabel: allow unlabeled traffic */ |
| 113 | #define AUDIT_MAC_CIPSOV4_ADD 1407 /* NetLabel: add CIPSOv4 DOI entry */ |
| 114 | #define AUDIT_MAC_CIPSOV4_DEL 1408 /* NetLabel: del CIPSOv4 DOI entry */ |
| 115 | #define AUDIT_MAC_MAP_ADD 1409 /* NetLabel: add LSM domain mapping */ |
| 116 | #define AUDIT_MAC_MAP_DEL 1410 /* NetLabel: del LSM domain mapping */ |
Joy Latten | ab5f5e8 | 2007-09-17 11:51:22 -0700 | [diff] [blame] | 117 | #define AUDIT_MAC_IPSEC_ADDSA 1411 /* Not used */ |
| 118 | #define AUDIT_MAC_IPSEC_DELSA 1412 /* Not used */ |
| 119 | #define AUDIT_MAC_IPSEC_ADDSPD 1413 /* Not used */ |
| 120 | #define AUDIT_MAC_IPSEC_DELSPD 1414 /* Not used */ |
| 121 | #define AUDIT_MAC_IPSEC_EVENT 1415 /* Audit an IPSec event */ |
Paul Moore | 13541b3 | 2008-01-29 08:44:23 -0500 | [diff] [blame] | 122 | #define AUDIT_MAC_UNLBL_STCADD 1416 /* NetLabel: add a static label */ |
| 123 | #define AUDIT_MAC_UNLBL_STCDEL 1417 /* NetLabel: del a static label */ |
Steve Grubb | c2f0c7c | 2005-05-06 12:38:39 +0100 | [diff] [blame] | 124 | |
Steve Grubb | 5bdb988 | 2005-12-03 08:39:35 -0500 | [diff] [blame] | 125 | #define AUDIT_FIRST_KERN_ANOM_MSG 1700 |
| 126 | #define AUDIT_LAST_KERN_ANOM_MSG 1799 |
| 127 | #define AUDIT_ANOM_PROMISCUOUS 1700 /* Device changed promiscuous mode */ |
Steve Grubb | 0a4ff8c | 2007-04-19 10:28:21 -0400 | [diff] [blame] | 128 | #define AUDIT_ANOM_ABEND 1701 /* Process ended abnormally */ |
Mimi Zohar | 3323eec | 2009-02-04 09:06:58 -0500 | [diff] [blame] | 129 | #define AUDIT_INTEGRITY_DATA 1800 /* Data integrity verification */ |
| 130 | #define AUDIT_INTEGRITY_METADATA 1801 /* Metadata integrity verification */ |
| 131 | #define AUDIT_INTEGRITY_STATUS 1802 /* Integrity enable status */ |
| 132 | #define AUDIT_INTEGRITY_HASH 1803 /* Integrity HASH type */ |
| 133 | #define AUDIT_INTEGRITY_PCR 1804 /* PCR invalidation msgs */ |
Mimi Zohar | 523979a | 2009-02-11 11:12:28 -0500 | [diff] [blame] | 134 | #define AUDIT_INTEGRITY_RULE 1805 /* policy rule */ |
Steve Grubb | 5bdb988 | 2005-12-03 08:39:35 -0500 | [diff] [blame] | 135 | |
Steve Grubb | c2f0c7c | 2005-05-06 12:38:39 +0100 | [diff] [blame] | 136 | #define AUDIT_KERNEL 2000 /* Asynchronous audit record. NOT A REQUEST. */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 137 | |
| 138 | /* Rule flags */ |
David Woodhouse | 0f45aa1 | 2005-06-19 19:35:50 +0100 | [diff] [blame] | 139 | #define AUDIT_FILTER_USER 0x00 /* Apply rule to user-generated messages */ |
| 140 | #define AUDIT_FILTER_TASK 0x01 /* Apply rule at task creation (not syscall) */ |
| 141 | #define AUDIT_FILTER_ENTRY 0x02 /* Apply rule at syscall entry */ |
| 142 | #define AUDIT_FILTER_WATCH 0x03 /* Apply rule to file system watches */ |
| 143 | #define AUDIT_FILTER_EXIT 0x04 /* Apply rule at syscall exit */ |
Dustin Kirkland | c8edc80 | 2005-11-03 16:12:36 +0000 | [diff] [blame] | 144 | #define AUDIT_FILTER_TYPE 0x05 /* Apply rule at audit_log_start */ |
David Woodhouse | 0f45aa1 | 2005-06-19 19:35:50 +0100 | [diff] [blame] | 145 | |
Dustin Kirkland | c8edc80 | 2005-11-03 16:12:36 +0000 | [diff] [blame] | 146 | #define AUDIT_NR_FILTERS 6 |
David Woodhouse | 0f45aa1 | 2005-06-19 19:35:50 +0100 | [diff] [blame] | 147 | |
| 148 | #define AUDIT_FILTER_PREPEND 0x10 /* Prepend to front of list */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 149 | |
| 150 | /* Rule actions */ |
| 151 | #define AUDIT_NEVER 0 /* Do not build context if rule matches */ |
| 152 | #define AUDIT_POSSIBLE 1 /* Build context if rule matches */ |
| 153 | #define AUDIT_ALWAYS 2 /* Generate audit record if rule matches */ |
| 154 | |
| 155 | /* Rule structure sizes -- if these change, different AUDIT_ADD and |
| 156 | * AUDIT_LIST commands must be implemented. */ |
| 157 | #define AUDIT_MAX_FIELDS 64 |
Eric Paris | a42da93 | 2008-04-18 10:36:22 -0400 | [diff] [blame] | 158 | #define AUDIT_MAX_KEY_LEN 256 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 159 | #define AUDIT_BITMASK_SIZE 64 |
| 160 | #define AUDIT_WORD(nr) ((__u32)((nr)/32)) |
| 161 | #define AUDIT_BIT(nr) (1 << ((nr) - AUDIT_WORD(nr)*32)) |
| 162 | |
Al Viro | b915543 | 2006-07-01 03:56:16 -0400 | [diff] [blame] | 163 | #define AUDIT_SYSCALL_CLASSES 16 |
| 164 | #define AUDIT_CLASS_DIR_WRITE 0 |
| 165 | #define AUDIT_CLASS_DIR_WRITE_32 1 |
| 166 | #define AUDIT_CLASS_CHATTR 2 |
| 167 | #define AUDIT_CLASS_CHATTR_32 3 |
Al Viro | dc104fb | 2006-08-31 19:05:56 -0400 | [diff] [blame] | 168 | #define AUDIT_CLASS_READ 4 |
| 169 | #define AUDIT_CLASS_READ_32 5 |
| 170 | #define AUDIT_CLASS_WRITE 6 |
| 171 | #define AUDIT_CLASS_WRITE_32 7 |
Amy Griffis | 7f13da4 | 2007-03-29 18:00:37 -0400 | [diff] [blame] | 172 | #define AUDIT_CLASS_SIGNAL 8 |
| 173 | #define AUDIT_CLASS_SIGNAL_32 9 |
Al Viro | b915543 | 2006-07-01 03:56:16 -0400 | [diff] [blame] | 174 | |
Dustin Kirkland | b63862f | 2005-11-03 15:41:46 +0000 | [diff] [blame] | 175 | /* This bitmask is used to validate user input. It represents all bits that |
| 176 | * are currently used in an audit field constant understood by the kernel. |
| 177 | * If you are adding a new #define AUDIT_<whatever>, please ensure that |
| 178 | * AUDIT_UNUSED_BITS is updated if need be. */ |
Eric Paris | 74f2345 | 2007-06-04 17:00:14 -0400 | [diff] [blame] | 179 | #define AUDIT_UNUSED_BITS 0x07FFFC00 |
Dustin Kirkland | b63862f | 2005-11-03 15:41:46 +0000 | [diff] [blame] | 180 | |
| 181 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 182 | /* Rule fields */ |
| 183 | /* These are useful when checking the |
| 184 | * task structure at task creation time |
| 185 | * (AUDIT_PER_TASK). */ |
| 186 | #define AUDIT_PID 0 |
| 187 | #define AUDIT_UID 1 |
| 188 | #define AUDIT_EUID 2 |
| 189 | #define AUDIT_SUID 3 |
| 190 | #define AUDIT_FSUID 4 |
| 191 | #define AUDIT_GID 5 |
| 192 | #define AUDIT_EGID 6 |
| 193 | #define AUDIT_SGID 7 |
| 194 | #define AUDIT_FSGID 8 |
| 195 | #define AUDIT_LOGINUID 9 |
| 196 | #define AUDIT_PERS 10 |
| 2fd6f58 | 2005-04-29 16:08:28 +0100 | [diff] [blame] | 197 | #define AUDIT_ARCH 11 |
Dustin Kirkland | c8edc80 | 2005-11-03 16:12:36 +0000 | [diff] [blame] | 198 | #define AUDIT_MSGTYPE 12 |
Darrel Goeddel | 3a6b9f8 | 2006-06-29 16:56:39 -0500 | [diff] [blame] | 199 | #define AUDIT_SUBJ_USER 13 /* security label user */ |
| 200 | #define AUDIT_SUBJ_ROLE 14 /* security label role */ |
| 201 | #define AUDIT_SUBJ_TYPE 15 /* security label type */ |
| 202 | #define AUDIT_SUBJ_SEN 16 /* security label sensitivity label */ |
| 203 | #define AUDIT_SUBJ_CLR 17 /* security label clearance label */ |
Al Viro | 3c66251 | 2006-05-06 08:26:27 -0400 | [diff] [blame] | 204 | #define AUDIT_PPID 18 |
Darrel Goeddel | 3a6b9f8 | 2006-06-29 16:56:39 -0500 | [diff] [blame] | 205 | #define AUDIT_OBJ_USER 19 |
| 206 | #define AUDIT_OBJ_ROLE 20 |
| 207 | #define AUDIT_OBJ_TYPE 21 |
| 208 | #define AUDIT_OBJ_LEV_LOW 22 |
| 209 | #define AUDIT_OBJ_LEV_HIGH 23 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 210 | |
| 211 | /* These are ONLY useful when checking |
| 212 | * at syscall exit time (AUDIT_AT_EXIT). */ |
| 213 | #define AUDIT_DEVMAJOR 100 |
| 214 | #define AUDIT_DEVMINOR 101 |
| 215 | #define AUDIT_INODE 102 |
| 216 | #define AUDIT_EXIT 103 |
| 217 | #define AUDIT_SUCCESS 104 /* exit >= 0; value ignored */ |
Amy Griffis | f368c07d | 2006-04-07 16:55:56 -0400 | [diff] [blame] | 218 | #define AUDIT_WATCH 105 |
Al Viro | 55669bf | 2006-08-31 19:26:40 -0400 | [diff] [blame] | 219 | #define AUDIT_PERM 106 |
Al Viro | 74c3cbe | 2007-07-22 08:04:18 -0400 | [diff] [blame] | 220 | #define AUDIT_DIR 107 |
Al Viro | 8b67dca | 2008-04-28 04:15:49 -0400 | [diff] [blame] | 221 | #define AUDIT_FILETYPE 108 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 222 | |
| 223 | #define AUDIT_ARG0 200 |
| 224 | #define AUDIT_ARG1 (AUDIT_ARG0+1) |
| 225 | #define AUDIT_ARG2 (AUDIT_ARG0+2) |
| 226 | #define AUDIT_ARG3 (AUDIT_ARG0+3) |
| 227 | |
Amy Griffis | 5adc8a6 | 2006-06-14 18:45:21 -0400 | [diff] [blame] | 228 | #define AUDIT_FILTERKEY 210 |
| 229 | |
Dustin Kirkland | b63862f | 2005-11-03 15:41:46 +0000 | [diff] [blame] | 230 | #define AUDIT_NEGATE 0x80000000 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 231 | |
Dustin Kirkland | b63862f | 2005-11-03 15:41:46 +0000 | [diff] [blame] | 232 | /* These are the supported operators. |
Eric Paris | 74f2345 | 2007-06-04 17:00:14 -0400 | [diff] [blame] | 233 | * 4 2 1 8 |
| 234 | * = > < ? |
| 235 | * ---------- |
| 236 | * 0 0 0 0 00 nonsense |
| 237 | * 0 0 0 1 08 & bit mask |
| 238 | * 0 0 1 0 10 < |
| 239 | * 0 1 0 0 20 > |
| 240 | * 0 1 1 0 30 != |
| 241 | * 1 0 0 0 40 = |
| 242 | * 1 0 0 1 48 &= bit test |
| 243 | * 1 0 1 0 50 <= |
| 244 | * 1 1 0 0 60 >= |
| 245 | * 1 1 1 1 78 all operators |
Dustin Kirkland | b63862f | 2005-11-03 15:41:46 +0000 | [diff] [blame] | 246 | */ |
Eric Paris | 74f2345 | 2007-06-04 17:00:14 -0400 | [diff] [blame] | 247 | #define AUDIT_BIT_MASK 0x08000000 |
Dustin Kirkland | b63862f | 2005-11-03 15:41:46 +0000 | [diff] [blame] | 248 | #define AUDIT_LESS_THAN 0x10000000 |
| 249 | #define AUDIT_GREATER_THAN 0x20000000 |
| 250 | #define AUDIT_NOT_EQUAL 0x30000000 |
| 251 | #define AUDIT_EQUAL 0x40000000 |
Eric Paris | 74f2345 | 2007-06-04 17:00:14 -0400 | [diff] [blame] | 252 | #define AUDIT_BIT_TEST (AUDIT_BIT_MASK|AUDIT_EQUAL) |
Dustin Kirkland | b63862f | 2005-11-03 15:41:46 +0000 | [diff] [blame] | 253 | #define AUDIT_LESS_THAN_OR_EQUAL (AUDIT_LESS_THAN|AUDIT_EQUAL) |
| 254 | #define AUDIT_GREATER_THAN_OR_EQUAL (AUDIT_GREATER_THAN|AUDIT_EQUAL) |
Eric Paris | 74f2345 | 2007-06-04 17:00:14 -0400 | [diff] [blame] | 255 | #define AUDIT_OPERATORS (AUDIT_EQUAL|AUDIT_NOT_EQUAL|AUDIT_BIT_MASK) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 256 | |
Al Viro | 5af75d8 | 2008-12-16 05:59:26 -0500 | [diff] [blame] | 257 | enum { |
| 258 | Audit_equal, |
| 259 | Audit_not_equal, |
| 260 | Audit_bitmask, |
| 261 | Audit_bittest, |
| 262 | Audit_lt, |
| 263 | Audit_gt, |
| 264 | Audit_le, |
| 265 | Audit_ge, |
| 266 | Audit_bad |
| 267 | }; |
| 268 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 269 | /* Status symbols */ |
| 270 | /* Mask values */ |
| 271 | #define AUDIT_STATUS_ENABLED 0x0001 |
| 272 | #define AUDIT_STATUS_FAILURE 0x0002 |
| 273 | #define AUDIT_STATUS_PID 0x0004 |
| 274 | #define AUDIT_STATUS_RATE_LIMIT 0x0008 |
| 275 | #define AUDIT_STATUS_BACKLOG_LIMIT 0x0010 |
| 276 | /* Failure-to-log actions */ |
| 277 | #define AUDIT_FAIL_SILENT 0 |
| 278 | #define AUDIT_FAIL_PRINTK 1 |
| 279 | #define AUDIT_FAIL_PANIC 2 |
| 280 | |
| 2fd6f58 | 2005-04-29 16:08:28 +0100 | [diff] [blame] | 281 | /* distinguish syscall tables */ |
| 282 | #define __AUDIT_ARCH_64BIT 0x80000000 |
| 283 | #define __AUDIT_ARCH_LE 0x40000000 |
| 284 | #define AUDIT_ARCH_ALPHA (EM_ALPHA|__AUDIT_ARCH_64BIT|__AUDIT_ARCH_LE) |
| 285 | #define AUDIT_ARCH_ARM (EM_ARM|__AUDIT_ARCH_LE) |
| 286 | #define AUDIT_ARCH_ARMEB (EM_ARM) |
| 287 | #define AUDIT_ARCH_CRIS (EM_CRIS|__AUDIT_ARCH_LE) |
| 288 | #define AUDIT_ARCH_FRV (EM_FRV) |
| 289 | #define AUDIT_ARCH_H8300 (EM_H8_300) |
| 290 | #define AUDIT_ARCH_I386 (EM_386|__AUDIT_ARCH_LE) |
| 291 | #define AUDIT_ARCH_IA64 (EM_IA_64|__AUDIT_ARCH_64BIT|__AUDIT_ARCH_LE) |
| 292 | #define AUDIT_ARCH_M32R (EM_M32R) |
| 293 | #define AUDIT_ARCH_M68K (EM_68K) |
| 294 | #define AUDIT_ARCH_MIPS (EM_MIPS) |
| 295 | #define AUDIT_ARCH_MIPSEL (EM_MIPS|__AUDIT_ARCH_LE) |
| 296 | #define AUDIT_ARCH_MIPS64 (EM_MIPS|__AUDIT_ARCH_64BIT) |
| 297 | #define AUDIT_ARCH_MIPSEL64 (EM_MIPS|__AUDIT_ARCH_64BIT|__AUDIT_ARCH_LE) |
| 298 | #define AUDIT_ARCH_PARISC (EM_PARISC) |
| 299 | #define AUDIT_ARCH_PARISC64 (EM_PARISC|__AUDIT_ARCH_64BIT) |
| 300 | #define AUDIT_ARCH_PPC (EM_PPC) |
| 301 | #define AUDIT_ARCH_PPC64 (EM_PPC64|__AUDIT_ARCH_64BIT) |
| 302 | #define AUDIT_ARCH_S390 (EM_S390) |
| 303 | #define AUDIT_ARCH_S390X (EM_S390|__AUDIT_ARCH_64BIT) |
| 304 | #define AUDIT_ARCH_SH (EM_SH) |
| 305 | #define AUDIT_ARCH_SHEL (EM_SH|__AUDIT_ARCH_LE) |
| 306 | #define AUDIT_ARCH_SH64 (EM_SH|__AUDIT_ARCH_64BIT) |
| 307 | #define AUDIT_ARCH_SHEL64 (EM_SH|__AUDIT_ARCH_64BIT|__AUDIT_ARCH_LE) |
| 308 | #define AUDIT_ARCH_SPARC (EM_SPARC) |
David S. Miller | f7ceba3 | 2005-07-10 19:29:45 -0700 | [diff] [blame] | 309 | #define AUDIT_ARCH_SPARC64 (EM_SPARCV9|__AUDIT_ARCH_64BIT) |
| 2fd6f58 | 2005-04-29 16:08:28 +0100 | [diff] [blame] | 310 | #define AUDIT_ARCH_X86_64 (EM_X86_64|__AUDIT_ARCH_64BIT|__AUDIT_ARCH_LE) |
| 311 | |
Al Viro | 55669bf | 2006-08-31 19:26:40 -0400 | [diff] [blame] | 312 | #define AUDIT_PERM_EXEC 1 |
| 313 | #define AUDIT_PERM_WRITE 2 |
| 314 | #define AUDIT_PERM_READ 4 |
| 315 | #define AUDIT_PERM_ATTR 8 |
| 316 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 317 | struct audit_status { |
| 318 | __u32 mask; /* Bit mask for valid entries */ |
Steve Grubb | 23f32d1 | 2005-05-13 18:35:15 +0100 | [diff] [blame] | 319 | __u32 enabled; /* 1 = enabled, 0 = disabled */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 320 | __u32 failure; /* Failure-to-log action */ |
| 321 | __u32 pid; /* pid of auditd process */ |
| 322 | __u32 rate_limit; /* messages rate limit (per second) */ |
| 323 | __u32 backlog_limit; /* waiting messages limit */ |
| 324 | __u32 lost; /* messages lost */ |
| 325 | __u32 backlog; /* messages waiting in queue */ |
| 326 | }; |
| 327 | |
Miloslav Trmac | 522ed77 | 2007-07-15 23:40:56 -0700 | [diff] [blame] | 328 | struct audit_tty_status { |
| 329 | __u32 enabled; /* 1 = enabled, 0 = disabled */ |
| 330 | }; |
| 331 | |
Amy Griffis | 93315ed | 2006-02-07 12:05:27 -0500 | [diff] [blame] | 332 | /* audit_rule_data supports filter rules with both integer and string |
| 333 | * fields. It corresponds with AUDIT_ADD_RULE, AUDIT_DEL_RULE and |
| 334 | * AUDIT_LIST_RULES requests. |
| 335 | */ |
| 336 | struct audit_rule_data { |
| 337 | __u32 flags; /* AUDIT_PER_{TASK,CALL}, AUDIT_PREPEND */ |
| 338 | __u32 action; /* AUDIT_NEVER, AUDIT_POSSIBLE, AUDIT_ALWAYS */ |
| 339 | __u32 field_count; |
Steve Grubb | 5d33010 | 2006-01-09 09:48:17 -0500 | [diff] [blame] | 340 | __u32 mask[AUDIT_BITMASK_SIZE]; /* syscall(s) affected */ |
Amy Griffis | 93315ed | 2006-02-07 12:05:27 -0500 | [diff] [blame] | 341 | __u32 fields[AUDIT_MAX_FIELDS]; |
| 342 | __u32 values[AUDIT_MAX_FIELDS]; |
| 343 | __u32 fieldflags[AUDIT_MAX_FIELDS]; |
| 344 | __u32 buflen; /* total length of string fields */ |
| 345 | char buf[0]; /* string fields buffer */ |
| 346 | }; |
| 347 | |
| 348 | /* audit_rule is supported to maintain backward compatibility with |
| 349 | * userspace. It supports integer fields only and corresponds to |
| 350 | * AUDIT_ADD, AUDIT_DEL and AUDIT_LIST requests. |
| 351 | */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 352 | struct audit_rule { /* for AUDIT_LIST, AUDIT_ADD, and AUDIT_DEL */ |
| 353 | __u32 flags; /* AUDIT_PER_{TASK,CALL}, AUDIT_PREPEND */ |
| 354 | __u32 action; /* AUDIT_NEVER, AUDIT_POSSIBLE, AUDIT_ALWAYS */ |
| 355 | __u32 field_count; |
| 356 | __u32 mask[AUDIT_BITMASK_SIZE]; |
| 357 | __u32 fields[AUDIT_MAX_FIELDS]; |
| 358 | __u32 values[AUDIT_MAX_FIELDS]; |
| 359 | }; |
| 360 | |
| 361 | #ifdef __KERNEL__ |
David Woodhouse | f001e47 | 2006-04-27 00:11:01 +0100 | [diff] [blame] | 362 | #include <linux/sched.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 363 | |
Steve Grubb | c2f0c7c | 2005-05-06 12:38:39 +0100 | [diff] [blame] | 364 | struct audit_sig_info { |
| 365 | uid_t uid; |
| 366 | pid_t pid; |
Al Viro | e139606 | 2006-05-25 10:19:47 -0400 | [diff] [blame] | 367 | char ctx[0]; |
Steve Grubb | c2f0c7c | 2005-05-06 12:38:39 +0100 | [diff] [blame] | 368 | }; |
| 369 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 370 | struct audit_buffer; |
| 371 | struct audit_context; |
| 372 | struct inode; |
David Woodhouse | 5bb289b | 2005-06-24 14:14:05 +0100 | [diff] [blame] | 373 | struct netlink_skb_parms; |
Al Viro | 473ae30 | 2006-04-26 14:04:08 -0400 | [diff] [blame] | 374 | struct linux_binprm; |
George C. Wilson | 20ca73b | 2006-05-24 16:09:55 -0500 | [diff] [blame] | 375 | struct mq_attr; |
| 376 | struct mqstat; |
Ahmed S. Darwish | 9d57a7f | 2008-03-01 22:03:14 +0200 | [diff] [blame] | 377 | struct audit_watch; |
| 378 | struct audit_tree; |
| 379 | |
| 380 | struct audit_krule { |
| 381 | int vers_ops; |
| 382 | u32 flags; |
| 383 | u32 listnr; |
| 384 | u32 action; |
| 385 | u32 mask[AUDIT_BITMASK_SIZE]; |
| 386 | u32 buflen; /* for data alloc on list rules */ |
| 387 | u32 field_count; |
| 388 | char *filterkey; /* ties events to rules */ |
| 389 | struct audit_field *fields; |
| 390 | struct audit_field *arch_f; /* quick access to arch field */ |
| 391 | struct audit_field *inode_f; /* quick access to an inode field */ |
| 392 | struct audit_watch *watch; /* associated watch */ |
| 393 | struct audit_tree *tree; /* associated watched tree */ |
| 394 | struct list_head rlist; /* entry in audit_{watch,tree}.rules list */ |
Al Viro | e45aa21 | 2008-12-15 01:17:50 -0500 | [diff] [blame] | 395 | struct list_head list; /* for AUDIT_LIST* purposes only */ |
Al Viro | 0590b93 | 2008-12-14 23:45:27 -0500 | [diff] [blame] | 396 | u64 prio; |
Ahmed S. Darwish | 9d57a7f | 2008-03-01 22:03:14 +0200 | [diff] [blame] | 397 | }; |
| 398 | |
| 399 | struct audit_field { |
| 400 | u32 type; |
| 401 | u32 val; |
| 402 | u32 op; |
Ahmed S. Darwish | 04305e4 | 2008-04-19 09:59:43 +1000 | [diff] [blame] | 403 | char *lsm_str; |
| 404 | void *lsm_rule; |
Ahmed S. Darwish | 9d57a7f | 2008-03-01 22:03:14 +0200 | [diff] [blame] | 405 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 406 | |
| 2fd6f58 | 2005-04-29 16:08:28 +0100 | [diff] [blame] | 407 | #define AUDITSC_INVALID 0 |
| 408 | #define AUDITSC_SUCCESS 1 |
| 409 | #define AUDITSC_FAILURE 2 |
| 410 | #define AUDITSC_RESULT(x) ( ((long)(x))<0?AUDITSC_FAILURE:AUDITSC_SUCCESS ) |
Al Viro | b915543 | 2006-07-01 03:56:16 -0400 | [diff] [blame] | 411 | extern int __init audit_register_class(int class, unsigned *list); |
Al Viro | 55669bf | 2006-08-31 19:26:40 -0400 | [diff] [blame] | 412 | extern int audit_classify_syscall(int abi, unsigned syscall); |
Amy Griffis | e54dc24 | 2007-03-29 18:01:04 -0400 | [diff] [blame] | 413 | extern int audit_classify_arch(int arch); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 414 | #ifdef CONFIG_AUDITSYSCALL |
| 415 | /* These are defined in auditsc.c */ |
| 416 | /* Public API */ |
Al Viro | a64e649 | 2008-11-12 18:37:41 -0500 | [diff] [blame] | 417 | extern void audit_finish_fork(struct task_struct *child); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 418 | extern int audit_alloc(struct task_struct *task); |
| 419 | extern void audit_free(struct task_struct *task); |
Al Viro | 5411be5 | 2006-03-29 20:23:36 -0500 | [diff] [blame] | 420 | extern void audit_syscall_entry(int arch, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 421 | int major, unsigned long a0, unsigned long a1, |
| 422 | unsigned long a2, unsigned long a3); |
Al Viro | 5411be5 | 2006-03-29 20:23:36 -0500 | [diff] [blame] | 423 | extern void audit_syscall_exit(int failed, long return_code); |
Al Viro | d8945bb5 | 2006-05-18 16:01:30 -0400 | [diff] [blame] | 424 | extern void __audit_getname(const char *name); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 425 | extern void audit_putname(const char *name); |
Al Viro | 5a190ae | 2007-06-07 12:19:32 -0400 | [diff] [blame] | 426 | extern void __audit_inode(const char *name, const struct dentry *dentry); |
| 427 | extern void __audit_inode_child(const char *dname, const struct dentry *dentry, |
Amy Griffis | 73d3ec5 | 2006-07-13 13:16:39 -0400 | [diff] [blame] | 428 | const struct inode *parent); |
Al Viro | a5cb013 | 2007-03-20 13:58:35 -0400 | [diff] [blame] | 429 | extern void __audit_ptrace(struct task_struct *t); |
| 430 | |
Al Viro | d51374a | 2006-08-03 10:59:26 -0400 | [diff] [blame] | 431 | static inline int audit_dummy_context(void) |
| 432 | { |
| 433 | void *p = current->audit_context; |
| 434 | return !p || *(int *)p; |
| 435 | } |
Al Viro | d8945bb5 | 2006-05-18 16:01:30 -0400 | [diff] [blame] | 436 | static inline void audit_getname(const char *name) |
| 437 | { |
Al Viro | 5ac3a9c | 2006-07-16 06:38:45 -0400 | [diff] [blame] | 438 | if (unlikely(!audit_dummy_context())) |
Al Viro | d8945bb5 | 2006-05-18 16:01:30 -0400 | [diff] [blame] | 439 | __audit_getname(name); |
| 440 | } |
Al Viro | 5a190ae | 2007-06-07 12:19:32 -0400 | [diff] [blame] | 441 | static inline void audit_inode(const char *name, const struct dentry *dentry) { |
Al Viro | 5ac3a9c | 2006-07-16 06:38:45 -0400 | [diff] [blame] | 442 | if (unlikely(!audit_dummy_context())) |
Al Viro | 5a190ae | 2007-06-07 12:19:32 -0400 | [diff] [blame] | 443 | __audit_inode(name, dentry); |
Amy Griffis | 73241cc | 2005-11-03 16:00:25 +0000 | [diff] [blame] | 444 | } |
| 445 | static inline void audit_inode_child(const char *dname, |
Al Viro | 5a190ae | 2007-06-07 12:19:32 -0400 | [diff] [blame] | 446 | const struct dentry *dentry, |
Amy Griffis | 73d3ec5 | 2006-07-13 13:16:39 -0400 | [diff] [blame] | 447 | const struct inode *parent) { |
Al Viro | 5ac3a9c | 2006-07-16 06:38:45 -0400 | [diff] [blame] | 448 | if (unlikely(!audit_dummy_context())) |
Al Viro | 5a190ae | 2007-06-07 12:19:32 -0400 | [diff] [blame] | 449 | __audit_inode_child(dname, dentry, parent); |
Amy Griffis | 73241cc | 2005-11-03 16:00:25 +0000 | [diff] [blame] | 450 | } |
Steve Grubb | 0a4ff8c | 2007-04-19 10:28:21 -0400 | [diff] [blame] | 451 | void audit_core_dumps(long signr); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 452 | |
Al Viro | a5cb013 | 2007-03-20 13:58:35 -0400 | [diff] [blame] | 453 | static inline void audit_ptrace(struct task_struct *t) |
| 454 | { |
| 455 | if (unlikely(!audit_dummy_context())) |
| 456 | __audit_ptrace(t); |
| 457 | } |
| 458 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 459 | /* Private API (for audit.c only) */ |
David Woodhouse | bfb4496 | 2005-05-21 21:08:09 +0100 | [diff] [blame] | 460 | extern unsigned int audit_serial(void); |
Al Viro | 48887e6 | 2008-12-06 01:05:50 -0500 | [diff] [blame] | 461 | extern int auditsc_get_stamp(struct audit_context *ctx, |
David Woodhouse | bfb4496 | 2005-05-21 21:08:09 +0100 | [diff] [blame] | 462 | struct timespec *t, unsigned int *serial); |
Steve Grubb | 456be6c | 2005-04-29 17:30:07 +0100 | [diff] [blame] | 463 | extern int audit_set_loginuid(struct task_struct *task, uid_t loginuid); |
Al Viro | bfef93a | 2008-01-10 04:53:18 -0500 | [diff] [blame] | 464 | #define audit_get_loginuid(t) ((t)->loginuid) |
Eric Paris | 4746ec5 | 2008-01-08 10:06:53 -0500 | [diff] [blame] | 465 | #define audit_get_sessionid(t) ((t)->sessionid) |
Joy Latten | 161a09e | 2006-11-27 13:11:54 -0600 | [diff] [blame] | 466 | extern void audit_log_task_context(struct audit_buffer *ab); |
Al Viro | a33e675 | 2008-12-10 03:40:06 -0500 | [diff] [blame] | 467 | extern void __audit_ipc_obj(struct kern_ipc_perm *ipcp); |
Al Viro | e816f37 | 2008-12-10 03:47:15 -0500 | [diff] [blame] | 468 | extern void __audit_ipc_set_perm(unsigned long qbytes, uid_t uid, gid_t gid, mode_t mode); |
Al Viro | 473ae30 | 2006-04-26 14:04:08 -0400 | [diff] [blame] | 469 | extern int audit_bprm(struct linux_binprm *bprm); |
Al Viro | f3298dc | 2008-12-10 03:16:51 -0500 | [diff] [blame] | 470 | extern void audit_socketcall(int nargs, unsigned long *args); |
David Woodhouse | 3ec3b2f | 2005-05-17 12:08:48 +0100 | [diff] [blame] | 471 | extern int audit_sockaddr(int len, void *addr); |
Al Viro | 157cf64 | 2008-12-14 04:57:47 -0500 | [diff] [blame] | 472 | extern void __audit_fd_pair(int fd1, int fd2); |
Dustin Kirkland | 8c8570f | 2005-11-03 17:15:16 +0000 | [diff] [blame] | 473 | extern int audit_set_macxattr(const char *name); |
Al Viro | 564f699 | 2008-12-14 04:02:26 -0500 | [diff] [blame] | 474 | extern void __audit_mq_open(int oflag, mode_t mode, struct mq_attr *attr); |
Al Viro | c32c8af | 2008-12-14 03:46:48 -0500 | [diff] [blame] | 475 | extern void __audit_mq_sendrecv(mqd_t mqdes, size_t msg_len, unsigned int msg_prio, const struct timespec *abs_timeout); |
Al Viro | 20114f7 | 2008-12-10 07:16:12 -0500 | [diff] [blame] | 476 | extern void __audit_mq_notify(mqd_t mqdes, const struct sigevent *notification); |
Al Viro | 7392906 | 2008-12-10 06:58:59 -0500 | [diff] [blame] | 477 | extern void __audit_mq_getsetattr(mqd_t mqdes, struct mq_attr *mqstat); |
David Howells | d84f4f9 | 2008-11-14 10:39:23 +1100 | [diff] [blame] | 478 | extern int __audit_log_bprm_fcaps(struct linux_binprm *bprm, |
| 479 | const struct cred *new, |
| 480 | const struct cred *old); |
Al Viro | 57f71a0 | 2009-01-04 14:52:57 -0500 | [diff] [blame] | 481 | extern void __audit_log_capset(pid_t pid, const struct cred *new, const struct cred *old); |
Al Viro | d8945bb5 | 2006-05-18 16:01:30 -0400 | [diff] [blame] | 482 | |
Al Viro | a33e675 | 2008-12-10 03:40:06 -0500 | [diff] [blame] | 483 | static inline void audit_ipc_obj(struct kern_ipc_perm *ipcp) |
Al Viro | d8945bb5 | 2006-05-18 16:01:30 -0400 | [diff] [blame] | 484 | { |
Al Viro | 5ac3a9c | 2006-07-16 06:38:45 -0400 | [diff] [blame] | 485 | if (unlikely(!audit_dummy_context())) |
Al Viro | a33e675 | 2008-12-10 03:40:06 -0500 | [diff] [blame] | 486 | __audit_ipc_obj(ipcp); |
Al Viro | d8945bb5 | 2006-05-18 16:01:30 -0400 | [diff] [blame] | 487 | } |
Al Viro | 157cf64 | 2008-12-14 04:57:47 -0500 | [diff] [blame] | 488 | static inline void audit_fd_pair(int fd1, int fd2) |
Al Viro | db34950 | 2007-02-07 01:48:00 -0500 | [diff] [blame] | 489 | { |
| 490 | if (unlikely(!audit_dummy_context())) |
Al Viro | 157cf64 | 2008-12-14 04:57:47 -0500 | [diff] [blame] | 491 | __audit_fd_pair(fd1, fd2); |
Al Viro | db34950 | 2007-02-07 01:48:00 -0500 | [diff] [blame] | 492 | } |
Al Viro | e816f37 | 2008-12-10 03:47:15 -0500 | [diff] [blame] | 493 | static inline void audit_ipc_set_perm(unsigned long qbytes, uid_t uid, gid_t gid, mode_t mode) |
Al Viro | d8945bb5 | 2006-05-18 16:01:30 -0400 | [diff] [blame] | 494 | { |
Al Viro | 5ac3a9c | 2006-07-16 06:38:45 -0400 | [diff] [blame] | 495 | if (unlikely(!audit_dummy_context())) |
Al Viro | e816f37 | 2008-12-10 03:47:15 -0500 | [diff] [blame] | 496 | __audit_ipc_set_perm(qbytes, uid, gid, mode); |
Al Viro | d8945bb5 | 2006-05-18 16:01:30 -0400 | [diff] [blame] | 497 | } |
Al Viro | 564f699 | 2008-12-14 04:02:26 -0500 | [diff] [blame] | 498 | static inline void audit_mq_open(int oflag, mode_t mode, struct mq_attr *attr) |
George C. Wilson | 20ca73b | 2006-05-24 16:09:55 -0500 | [diff] [blame] | 499 | { |
Al Viro | 5ac3a9c | 2006-07-16 06:38:45 -0400 | [diff] [blame] | 500 | if (unlikely(!audit_dummy_context())) |
Al Viro | 564f699 | 2008-12-14 04:02:26 -0500 | [diff] [blame] | 501 | __audit_mq_open(oflag, mode, attr); |
George C. Wilson | 20ca73b | 2006-05-24 16:09:55 -0500 | [diff] [blame] | 502 | } |
Al Viro | c32c8af | 2008-12-14 03:46:48 -0500 | [diff] [blame] | 503 | static inline void audit_mq_sendrecv(mqd_t mqdes, size_t msg_len, unsigned int msg_prio, const struct timespec *abs_timeout) |
George C. Wilson | 20ca73b | 2006-05-24 16:09:55 -0500 | [diff] [blame] | 504 | { |
Al Viro | 5ac3a9c | 2006-07-16 06:38:45 -0400 | [diff] [blame] | 505 | if (unlikely(!audit_dummy_context())) |
Al Viro | c32c8af | 2008-12-14 03:46:48 -0500 | [diff] [blame] | 506 | __audit_mq_sendrecv(mqdes, msg_len, msg_prio, abs_timeout); |
George C. Wilson | 20ca73b | 2006-05-24 16:09:55 -0500 | [diff] [blame] | 507 | } |
Al Viro | 20114f7 | 2008-12-10 07:16:12 -0500 | [diff] [blame] | 508 | static inline void audit_mq_notify(mqd_t mqdes, const struct sigevent *notification) |
George C. Wilson | 20ca73b | 2006-05-24 16:09:55 -0500 | [diff] [blame] | 509 | { |
Al Viro | 5ac3a9c | 2006-07-16 06:38:45 -0400 | [diff] [blame] | 510 | if (unlikely(!audit_dummy_context())) |
Al Viro | 20114f7 | 2008-12-10 07:16:12 -0500 | [diff] [blame] | 511 | __audit_mq_notify(mqdes, notification); |
George C. Wilson | 20ca73b | 2006-05-24 16:09:55 -0500 | [diff] [blame] | 512 | } |
Al Viro | 7392906 | 2008-12-10 06:58:59 -0500 | [diff] [blame] | 513 | static inline void audit_mq_getsetattr(mqd_t mqdes, struct mq_attr *mqstat) |
George C. Wilson | 20ca73b | 2006-05-24 16:09:55 -0500 | [diff] [blame] | 514 | { |
Al Viro | 5ac3a9c | 2006-07-16 06:38:45 -0400 | [diff] [blame] | 515 | if (unlikely(!audit_dummy_context())) |
Al Viro | 7392906 | 2008-12-10 06:58:59 -0500 | [diff] [blame] | 516 | __audit_mq_getsetattr(mqdes, mqstat); |
George C. Wilson | 20ca73b | 2006-05-24 16:09:55 -0500 | [diff] [blame] | 517 | } |
Eric Paris | 3fc689e | 2008-11-11 21:48:18 +1100 | [diff] [blame] | 518 | |
David Howells | d84f4f9 | 2008-11-14 10:39:23 +1100 | [diff] [blame] | 519 | static inline int audit_log_bprm_fcaps(struct linux_binprm *bprm, |
| 520 | const struct cred *new, |
| 521 | const struct cred *old) |
Eric Paris | 3fc689e | 2008-11-11 21:48:18 +1100 | [diff] [blame] | 522 | { |
| 523 | if (unlikely(!audit_dummy_context())) |
David Howells | d84f4f9 | 2008-11-14 10:39:23 +1100 | [diff] [blame] | 524 | return __audit_log_bprm_fcaps(bprm, new, old); |
| 525 | return 0; |
Eric Paris | 3fc689e | 2008-11-11 21:48:18 +1100 | [diff] [blame] | 526 | } |
| 527 | |
Al Viro | 57f71a0 | 2009-01-04 14:52:57 -0500 | [diff] [blame] | 528 | static inline void audit_log_capset(pid_t pid, const struct cred *new, |
David Howells | d84f4f9 | 2008-11-14 10:39:23 +1100 | [diff] [blame] | 529 | const struct cred *old) |
Eric Paris | e68b75a0 | 2008-11-11 21:48:22 +1100 | [diff] [blame] | 530 | { |
| 531 | if (unlikely(!audit_dummy_context())) |
Al Viro | 57f71a0 | 2009-01-04 14:52:57 -0500 | [diff] [blame] | 532 | __audit_log_capset(pid, new, old); |
Eric Paris | e68b75a0 | 2008-11-11 21:48:22 +1100 | [diff] [blame] | 533 | } |
| 534 | |
Al Viro | 471a5c7 | 2006-07-10 08:29:24 -0400 | [diff] [blame] | 535 | extern int audit_n_rules; |
Amy Griffis | e54dc24 | 2007-03-29 18:01:04 -0400 | [diff] [blame] | 536 | extern int audit_signals; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 537 | #else |
Al Viro | a64e649 | 2008-11-12 18:37:41 -0500 | [diff] [blame] | 538 | #define audit_finish_fork(t) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 539 | #define audit_alloc(t) ({ 0; }) |
| 540 | #define audit_free(t) do { ; } while (0) |
Al Viro | 5411be5 | 2006-03-29 20:23:36 -0500 | [diff] [blame] | 541 | #define audit_syscall_entry(ta,a,b,c,d,e) do { ; } while (0) |
| 542 | #define audit_syscall_exit(f,r) do { ; } while (0) |
Al Viro | d51374a | 2006-08-03 10:59:26 -0400 | [diff] [blame] | 543 | #define audit_dummy_context() 1 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 544 | #define audit_getname(n) do { ; } while (0) |
| 545 | #define audit_putname(n) do { ; } while (0) |
Al Viro | 5a190ae | 2007-06-07 12:19:32 -0400 | [diff] [blame] | 546 | #define __audit_inode(n,d) do { ; } while (0) |
Amy Griffis | 73241cc | 2005-11-03 16:00:25 +0000 | [diff] [blame] | 547 | #define __audit_inode_child(d,i,p) do { ; } while (0) |
Al Viro | 5a190ae | 2007-06-07 12:19:32 -0400 | [diff] [blame] | 548 | #define audit_inode(n,d) do { ; } while (0) |
Amy Griffis | 73241cc | 2005-11-03 16:00:25 +0000 | [diff] [blame] | 549 | #define audit_inode_child(d,i,p) do { ; } while (0) |
Steve Grubb | 0a4ff8c | 2007-04-19 10:28:21 -0400 | [diff] [blame] | 550 | #define audit_core_dumps(i) do { ; } while (0) |
Al Viro | 48887e6 | 2008-12-06 01:05:50 -0500 | [diff] [blame] | 551 | #define auditsc_get_stamp(c,t,s) (0) |
Al Viro | 0c11b94 | 2008-01-10 04:20:52 -0500 | [diff] [blame] | 552 | #define audit_get_loginuid(t) (-1) |
Eric Paris | 4746ec5 | 2008-01-08 10:06:53 -0500 | [diff] [blame] | 553 | #define audit_get_sessionid(t) (-1) |
Joy Latten | 161a09e | 2006-11-27 13:11:54 -0600 | [diff] [blame] | 554 | #define audit_log_task_context(b) do { ; } while (0) |
Al Viro | a33e675 | 2008-12-10 03:40:06 -0500 | [diff] [blame] | 555 | #define audit_ipc_obj(i) ((void)0) |
Al Viro | e816f37 | 2008-12-10 03:47:15 -0500 | [diff] [blame] | 556 | #define audit_ipc_set_perm(q,u,g,m) ((void)0) |
Al Viro | 473ae30 | 2006-04-26 14:04:08 -0400 | [diff] [blame] | 557 | #define audit_bprm(p) ({ 0; }) |
Al Viro | f3298dc | 2008-12-10 03:16:51 -0500 | [diff] [blame] | 558 | #define audit_socketcall(n,a) ((void)0) |
Al Viro | 157cf64 | 2008-12-14 04:57:47 -0500 | [diff] [blame] | 559 | #define audit_fd_pair(n,a) ((void)0) |
David Woodhouse | 3ec3b2f | 2005-05-17 12:08:48 +0100 | [diff] [blame] | 560 | #define audit_sockaddr(len, addr) ({ 0; }) |
Dustin Kirkland | 8c8570f | 2005-11-03 17:15:16 +0000 | [diff] [blame] | 561 | #define audit_set_macxattr(n) do { ; } while (0) |
Al Viro | 564f699 | 2008-12-14 04:02:26 -0500 | [diff] [blame] | 562 | #define audit_mq_open(o,m,a) ((void)0) |
Al Viro | c32c8af | 2008-12-14 03:46:48 -0500 | [diff] [blame] | 563 | #define audit_mq_sendrecv(d,l,p,t) ((void)0) |
Al Viro | 20114f7 | 2008-12-10 07:16:12 -0500 | [diff] [blame] | 564 | #define audit_mq_notify(d,n) ((void)0) |
Al Viro | 7392906 | 2008-12-10 06:58:59 -0500 | [diff] [blame] | 565 | #define audit_mq_getsetattr(d,s) ((void)0) |
David Howells | d84f4f9 | 2008-11-14 10:39:23 +1100 | [diff] [blame] | 566 | #define audit_log_bprm_fcaps(b, ncr, ocr) ({ 0; }) |
Al Viro | 57f71a0 | 2009-01-04 14:52:57 -0500 | [diff] [blame] | 567 | #define audit_log_capset(pid, ncr, ocr) ((void)0) |
Al Viro | a5cb013 | 2007-03-20 13:58:35 -0400 | [diff] [blame] | 568 | #define audit_ptrace(t) ((void)0) |
Al Viro | 471a5c7 | 2006-07-10 08:29:24 -0400 | [diff] [blame] | 569 | #define audit_n_rules 0 |
Amy Griffis | e54dc24 | 2007-03-29 18:01:04 -0400 | [diff] [blame] | 570 | #define audit_signals 0 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 571 | #endif |
| 572 | |
| 573 | #ifdef CONFIG_AUDIT |
| 574 | /* These are defined in audit.c */ |
| 575 | /* Public API */ |
Al Viro | 9796fdd | 2005-10-21 03:22:03 -0400 | [diff] [blame] | 576 | extern void audit_log(struct audit_context *ctx, gfp_t gfp_mask, |
David Woodhouse | 9ad9ad3 | 2005-06-22 15:04:33 +0100 | [diff] [blame] | 577 | int type, const char *fmt, ...) |
| 578 | __attribute__((format(printf,4,5))); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 579 | |
Al Viro | 9796fdd | 2005-10-21 03:22:03 -0400 | [diff] [blame] | 580 | extern struct audit_buffer *audit_log_start(struct audit_context *ctx, gfp_t gfp_mask, int type); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 581 | extern void audit_log_format(struct audit_buffer *ab, |
| 582 | const char *fmt, ...) |
| 583 | __attribute__((format(printf,2,3))); |
| 584 | extern void audit_log_end(struct audit_buffer *ab); |
Eric Paris | de6bbd1 | 2008-01-07 14:31:58 -0500 | [diff] [blame] | 585 | extern int audit_string_contains_control(const char *string, |
| 586 | size_t len); |
Eric Paris | b556f8a | 2008-04-18 10:12:59 -0400 | [diff] [blame] | 587 | extern void audit_log_n_hex(struct audit_buffer *ab, |
| 588 | const unsigned char *buf, |
| 589 | size_t len); |
| 590 | extern void audit_log_n_string(struct audit_buffer *ab, |
| 591 | const char *buf, |
| 592 | size_t n); |
| 593 | #define audit_log_string(a,b) audit_log_n_string(a, b, strlen(b)); |
| 594 | extern void audit_log_n_untrustedstring(struct audit_buffer *ab, |
| 595 | const char *string, |
| 596 | size_t n); |
Eric Paris | de6bbd1 | 2008-01-07 14:31:58 -0500 | [diff] [blame] | 597 | extern void audit_log_untrustedstring(struct audit_buffer *ab, |
| 83c7d09 | 2005-04-29 15:54:44 +0100 | [diff] [blame] | 598 | const char *string); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 599 | extern void audit_log_d_path(struct audit_buffer *ab, |
| 600 | const char *prefix, |
Jan Blunck | 44707fd | 2008-02-14 19:38:33 -0800 | [diff] [blame] | 601 | struct path *path); |
Eric Paris | 9d96098 | 2009-06-11 14:31:37 -0400 | [diff] [blame] | 602 | extern void audit_log_key(struct audit_buffer *ab, |
| 603 | char *key); |
Miloslav Trmac | 522ed77 | 2007-07-15 23:40:56 -0700 | [diff] [blame] | 604 | extern void audit_log_lost(const char *message); |
Ahmed S. Darwish | 9d57a7f | 2008-03-01 22:03:14 +0200 | [diff] [blame] | 605 | extern int audit_update_lsm_rules(void); |
| 606 | |
David Woodhouse | fe7752b | 2005-12-15 18:33:52 +0000 | [diff] [blame] | 607 | /* Private API (for audit.c only) */ |
Peng Haitao | d8de724 | 2008-05-20 09:13:02 +0800 | [diff] [blame] | 608 | extern int audit_filter_user(struct netlink_skb_parms *cb); |
David Woodhouse | fe7752b | 2005-12-15 18:33:52 +0000 | [diff] [blame] | 609 | extern int audit_filter_type(int type); |
| 610 | extern int audit_receive_filter(int type, int pid, int uid, int seq, |
Eric Paris | 2532386 | 2008-04-18 10:09:25 -0400 | [diff] [blame] | 611 | void *data, size_t datasz, uid_t loginuid, |
| 612 | u32 sessionid, u32 sid); |
Miloslav Trmac | 522ed77 | 2007-07-15 23:40:56 -0700 | [diff] [blame] | 613 | extern int audit_enabled; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 614 | #else |
David Woodhouse | 7b43043 | 2005-07-02 13:50:40 +0100 | [diff] [blame] | 615 | #define audit_log(c,g,t,f,...) do { ; } while (0) |
Badari Pulavarty | 1377402 | 2005-07-02 13:49:07 +0100 | [diff] [blame] | 616 | #define audit_log_start(c,g,t) ({ NULL; }) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 617 | #define audit_log_vformat(b,f,a) do { ; } while (0) |
| 618 | #define audit_log_format(b,f,...) do { ; } while (0) |
| 619 | #define audit_log_end(b) do { ; } while (0) |
Eric Paris | b556f8a | 2008-04-18 10:12:59 -0400 | [diff] [blame] | 620 | #define audit_log_n_hex(a,b,l) do { ; } while (0) |
| 621 | #define audit_log_n_string(a,c,l) do { ; } while (0) |
| 622 | #define audit_log_string(a,c) do { ; } while (0) |
Amy Griffis | 9c937dc | 2006-06-08 23:19:31 -0400 | [diff] [blame] | 623 | #define audit_log_n_untrustedstring(a,n,s) do { ; } while (0) |
Eric Paris | b556f8a | 2008-04-18 10:12:59 -0400 | [diff] [blame] | 624 | #define audit_log_untrustedstring(a,s) do { ; } while (0) |
Jan Blunck | 44707fd | 2008-02-14 19:38:33 -0800 | [diff] [blame] | 625 | #define audit_log_d_path(b, p, d) do { ; } while (0) |
Eric Paris | 9d96098 | 2009-06-11 14:31:37 -0400 | [diff] [blame] | 626 | #define audit_log_key(b, k) do { ; } while (0) |
Miloslav Trmac | 522ed77 | 2007-07-15 23:40:56 -0700 | [diff] [blame] | 627 | #define audit_enabled 0 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 628 | #endif |
| 629 | #endif |
| 630 | #endif |