| 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 |
| 39 | * 1800 - 1999 future kernel use (maybe integrity labels and related events) |
Steve Grubb | 90d526c | 2005-11-03 15:48:08 +0000 | [diff] [blame] | 40 | * 2000 is for otherwise unclassified kernel audit messages (legacy) |
| 41 | * 2001 - 2099 unused (kernel) |
| 42 | * 2100 - 2199 user space anomaly records |
| 43 | * 2200 - 2299 user space actions taken in response to anomalies |
| 44 | * 2300 - 2399 user space generated LSPP events |
| 45 | * 2400 - 2499 user space crypto events |
| 46 | * 2500 - 2999 future user space (maybe integrity labels and related events) |
Steve Grubb | c040499 | 2005-05-13 18:17:42 +0100 | [diff] [blame] | 47 | * |
Steve Grubb | 90d526c | 2005-11-03 15:48:08 +0000 | [diff] [blame] | 48 | * Messages from 1000-1199 are bi-directional. 1200-1299 & 2100 - 2999 are |
| 49 | * exclusively user space. 1300-2099 is kernel --> user space |
| 50 | * communication. |
Steve Grubb | c040499 | 2005-05-13 18:17:42 +0100 | [diff] [blame] | 51 | */ |
Steve Grubb | c2f0c7c | 2005-05-06 12:38:39 +0100 | [diff] [blame] | 52 | #define AUDIT_GET 1000 /* Get status */ |
| 53 | #define AUDIT_SET 1001 /* Set status (enable/disable/auditd) */ |
Amy Griffis | 93315ed | 2006-02-07 12:05:27 -0500 | [diff] [blame] | 54 | #define AUDIT_LIST 1002 /* List syscall rules -- deprecated */ |
| 55 | #define AUDIT_ADD 1003 /* Add syscall rule -- deprecated */ |
| 56 | #define AUDIT_DEL 1004 /* Delete syscall rule -- deprecated */ |
Steve Grubb | c040499 | 2005-05-13 18:17:42 +0100 | [diff] [blame] | 57 | #define AUDIT_USER 1005 /* Message from userspace -- deprecated */ |
Steve Grubb | c2f0c7c | 2005-05-06 12:38:39 +0100 | [diff] [blame] | 58 | #define AUDIT_LOGIN 1006 /* Define the login id and information */ |
Steve Grubb | c040499 | 2005-05-13 18:17:42 +0100 | [diff] [blame] | 59 | #define AUDIT_WATCH_INS 1007 /* Insert file/dir watch entry */ |
| 60 | #define AUDIT_WATCH_REM 1008 /* Remove file/dir watch entry */ |
| 61 | #define AUDIT_WATCH_LIST 1009 /* List all file/dir watches */ |
| 62 | #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] | 63 | #define AUDIT_ADD_RULE 1011 /* Add syscall filtering rule */ |
| 64 | #define AUDIT_DEL_RULE 1012 /* Delete syscall filtering rule */ |
| 65 | #define AUDIT_LIST_RULES 1013 /* List syscall filtering rules */ |
Al Viro | 74c3cbe | 2007-07-22 08:04:18 -0400 | [diff] [blame] | 66 | #define AUDIT_TRIM 1014 /* Trim junk from watched tree */ |
| 67 | #define AUDIT_MAKE_EQUIV 1015 /* Append to watched tree */ |
Miloslav Trmac | 6dc2c1b | 2007-08-23 10:19:53 +0100 | [diff] [blame] | 68 | #define AUDIT_TTY_GET 1016 /* Get TTY auditing status */ |
| 69 | #define AUDIT_TTY_SET 1017 /* Set TTY auditing status */ |
Steve Grubb | c040499 | 2005-05-13 18:17:42 +0100 | [diff] [blame] | 70 | |
David Woodhouse | 4a4cd63 | 2005-06-22 14:56:47 +0100 | [diff] [blame] | 71 | #define AUDIT_FIRST_USER_MSG 1100 /* Userspace messages mostly uninteresting to kernel */ |
| 72 | #define AUDIT_USER_AVC 1107 /* We filter this differently */ |
Miloslav Trmac | 522ed77 | 2007-07-15 23:40:56 -0700 | [diff] [blame] | 73 | #define AUDIT_USER_TTY 1124 /* Non-ICANON TTY input meaning */ |
David Woodhouse | 209aba0 | 2005-05-18 10:21:07 +0100 | [diff] [blame] | 74 | #define AUDIT_LAST_USER_MSG 1199 |
Steve Grubb | 90d526c | 2005-11-03 15:48:08 +0000 | [diff] [blame] | 75 | #define AUDIT_FIRST_USER_MSG2 2100 /* More user space messages */ |
| 76 | #define AUDIT_LAST_USER_MSG2 2999 |
Steve Grubb | c040499 | 2005-05-13 18:17:42 +0100 | [diff] [blame] | 77 | |
| 78 | #define AUDIT_DAEMON_START 1200 /* Daemon startup record */ |
| 79 | #define AUDIT_DAEMON_END 1201 /* Daemon normal stop record */ |
| 80 | #define AUDIT_DAEMON_ABORT 1202 /* Daemon error stop record */ |
| 81 | #define AUDIT_DAEMON_CONFIG 1203 /* Daemon config change */ |
| 82 | |
| 83 | #define AUDIT_SYSCALL 1300 /* Syscall event */ |
Steve Grubb | c8e649b | 2006-09-29 11:56:49 -0400 | [diff] [blame] | 84 | /* #define AUDIT_FS_WATCH 1301 * Deprecated */ |
David Woodhouse | 8f37d47 | 2005-05-27 12:17:28 +0100 | [diff] [blame] | 85 | #define AUDIT_PATH 1302 /* Filename path information */ |
Steve Grubb | c040499 | 2005-05-13 18:17:42 +0100 | [diff] [blame] | 86 | #define AUDIT_IPC 1303 /* IPC record */ |
David Woodhouse | 3ec3b2f | 2005-05-17 12:08:48 +0100 | [diff] [blame] | 87 | #define AUDIT_SOCKETCALL 1304 /* sys_socketcall arguments */ |
Steve Grubb | c040499 | 2005-05-13 18:17:42 +0100 | [diff] [blame] | 88 | #define AUDIT_CONFIG_CHANGE 1305 /* Audit system configuration change */ |
David Woodhouse | 3ec3b2f | 2005-05-17 12:08:48 +0100 | [diff] [blame] | 89 | #define AUDIT_SOCKADDR 1306 /* sockaddr copied as syscall arg */ |
David Woodhouse | 8f37d47 | 2005-05-27 12:17:28 +0100 | [diff] [blame] | 90 | #define AUDIT_CWD 1307 /* Current working directory */ |
Al Viro | 473ae30 | 2006-04-26 14:04:08 -0400 | [diff] [blame] | 91 | #define AUDIT_EXECVE 1309 /* execve arguments */ |
Steve Grubb | 073115d | 2006-04-02 17:07:33 -0400 | [diff] [blame] | 92 | #define AUDIT_IPC_SET_PERM 1311 /* IPC new permissions record type */ |
George C. Wilson | 20ca73b | 2006-05-24 16:09:55 -0500 | [diff] [blame] | 93 | #define AUDIT_MQ_OPEN 1312 /* POSIX MQ open record type */ |
| 94 | #define AUDIT_MQ_SENDRECV 1313 /* POSIX MQ send/receive record type */ |
| 95 | #define AUDIT_MQ_NOTIFY 1314 /* POSIX MQ notify record type */ |
| 96 | #define AUDIT_MQ_GETSETATTR 1315 /* POSIX MQ get/set attribute record type */ |
Steve Grubb | c8e649b | 2006-09-29 11:56:49 -0400 | [diff] [blame] | 97 | #define AUDIT_KERNEL_OTHER 1316 /* For use by 3rd party modules */ |
Al Viro | db34950 | 2007-02-07 01:48:00 -0500 | [diff] [blame] | 98 | #define AUDIT_FD_PAIR 1317 /* audit record for pipe/socketpair */ |
Al Viro | a5cb013 | 2007-03-20 13:58:35 -0400 | [diff] [blame] | 99 | #define AUDIT_OBJ_PID 1318 /* ptrace target */ |
Miloslav Trmac | 522ed77 | 2007-07-15 23:40:56 -0700 | [diff] [blame] | 100 | #define AUDIT_TTY 1319 /* Input on an administrative TTY */ |
Eric Paris | c0641f2 | 2008-01-07 13:49:15 -0500 | [diff] [blame] | 101 | #define AUDIT_EOE 1320 /* End of multi-record event */ |
Eric Paris | 3fc689e | 2008-11-11 21:48:18 +1100 | [diff] [blame^] | 102 | #define AUDIT_BPRM_FCAPS 1321 /* Information about fcaps increasing perms */ |
Steve Grubb | c040499 | 2005-05-13 18:17:42 +0100 | [diff] [blame] | 103 | |
| 104 | #define AUDIT_AVC 1400 /* SE Linux avc denial or grant */ |
| 105 | #define AUDIT_SELINUX_ERR 1401 /* Internal SE Linux Errors */ |
Stephen Smalley | 0111610 | 2005-05-21 00:15:52 +0100 | [diff] [blame] | 106 | #define AUDIT_AVC_PATH 1402 /* dentry, vfsmount pair from avc */ |
Steve Grubb | af601e4 | 2006-01-04 14:08:39 +0000 | [diff] [blame] | 107 | #define AUDIT_MAC_POLICY_LOAD 1403 /* Policy file load */ |
| 108 | #define AUDIT_MAC_STATUS 1404 /* Changed enforcing,permissive,off */ |
| 109 | #define AUDIT_MAC_CONFIG_CHANGE 1405 /* Changes to booleans */ |
Paul Moore | 95d4e6b | 2006-09-29 17:05:05 -0700 | [diff] [blame] | 110 | #define AUDIT_MAC_UNLBL_ALLOW 1406 /* NetLabel: allow unlabeled traffic */ |
| 111 | #define AUDIT_MAC_CIPSOV4_ADD 1407 /* NetLabel: add CIPSOv4 DOI entry */ |
| 112 | #define AUDIT_MAC_CIPSOV4_DEL 1408 /* NetLabel: del CIPSOv4 DOI entry */ |
| 113 | #define AUDIT_MAC_MAP_ADD 1409 /* NetLabel: add LSM domain mapping */ |
| 114 | #define AUDIT_MAC_MAP_DEL 1410 /* NetLabel: del LSM domain mapping */ |
Joy Latten | ab5f5e8 | 2007-09-17 11:51:22 -0700 | [diff] [blame] | 115 | #define AUDIT_MAC_IPSEC_ADDSA 1411 /* Not used */ |
| 116 | #define AUDIT_MAC_IPSEC_DELSA 1412 /* Not used */ |
| 117 | #define AUDIT_MAC_IPSEC_ADDSPD 1413 /* Not used */ |
| 118 | #define AUDIT_MAC_IPSEC_DELSPD 1414 /* Not used */ |
| 119 | #define AUDIT_MAC_IPSEC_EVENT 1415 /* Audit an IPSec event */ |
Paul Moore | 13541b3 | 2008-01-29 08:44:23 -0500 | [diff] [blame] | 120 | #define AUDIT_MAC_UNLBL_STCADD 1416 /* NetLabel: add a static label */ |
| 121 | #define AUDIT_MAC_UNLBL_STCDEL 1417 /* NetLabel: del a static label */ |
Steve Grubb | c2f0c7c | 2005-05-06 12:38:39 +0100 | [diff] [blame] | 122 | |
Steve Grubb | 5bdb988 | 2005-12-03 08:39:35 -0500 | [diff] [blame] | 123 | #define AUDIT_FIRST_KERN_ANOM_MSG 1700 |
| 124 | #define AUDIT_LAST_KERN_ANOM_MSG 1799 |
| 125 | #define AUDIT_ANOM_PROMISCUOUS 1700 /* Device changed promiscuous mode */ |
Steve Grubb | 0a4ff8c | 2007-04-19 10:28:21 -0400 | [diff] [blame] | 126 | #define AUDIT_ANOM_ABEND 1701 /* Process ended abnormally */ |
Steve Grubb | 5bdb988 | 2005-12-03 08:39:35 -0500 | [diff] [blame] | 127 | |
Steve Grubb | c2f0c7c | 2005-05-06 12:38:39 +0100 | [diff] [blame] | 128 | #define AUDIT_KERNEL 2000 /* Asynchronous audit record. NOT A REQUEST. */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 129 | |
| 130 | /* Rule flags */ |
David Woodhouse | 0f45aa1 | 2005-06-19 19:35:50 +0100 | [diff] [blame] | 131 | #define AUDIT_FILTER_USER 0x00 /* Apply rule to user-generated messages */ |
| 132 | #define AUDIT_FILTER_TASK 0x01 /* Apply rule at task creation (not syscall) */ |
| 133 | #define AUDIT_FILTER_ENTRY 0x02 /* Apply rule at syscall entry */ |
| 134 | #define AUDIT_FILTER_WATCH 0x03 /* Apply rule to file system watches */ |
| 135 | #define AUDIT_FILTER_EXIT 0x04 /* Apply rule at syscall exit */ |
Dustin Kirkland | c8edc80 | 2005-11-03 16:12:36 +0000 | [diff] [blame] | 136 | #define AUDIT_FILTER_TYPE 0x05 /* Apply rule at audit_log_start */ |
David Woodhouse | 0f45aa1 | 2005-06-19 19:35:50 +0100 | [diff] [blame] | 137 | |
Dustin Kirkland | c8edc80 | 2005-11-03 16:12:36 +0000 | [diff] [blame] | 138 | #define AUDIT_NR_FILTERS 6 |
David Woodhouse | 0f45aa1 | 2005-06-19 19:35:50 +0100 | [diff] [blame] | 139 | |
| 140 | #define AUDIT_FILTER_PREPEND 0x10 /* Prepend to front of list */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 141 | |
| 142 | /* Rule actions */ |
| 143 | #define AUDIT_NEVER 0 /* Do not build context if rule matches */ |
| 144 | #define AUDIT_POSSIBLE 1 /* Build context if rule matches */ |
| 145 | #define AUDIT_ALWAYS 2 /* Generate audit record if rule matches */ |
| 146 | |
| 147 | /* Rule structure sizes -- if these change, different AUDIT_ADD and |
| 148 | * AUDIT_LIST commands must be implemented. */ |
| 149 | #define AUDIT_MAX_FIELDS 64 |
Eric Paris | a42da93 | 2008-04-18 10:36:22 -0400 | [diff] [blame] | 150 | #define AUDIT_MAX_KEY_LEN 256 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 151 | #define AUDIT_BITMASK_SIZE 64 |
| 152 | #define AUDIT_WORD(nr) ((__u32)((nr)/32)) |
| 153 | #define AUDIT_BIT(nr) (1 << ((nr) - AUDIT_WORD(nr)*32)) |
| 154 | |
Al Viro | b915543 | 2006-07-01 03:56:16 -0400 | [diff] [blame] | 155 | #define AUDIT_SYSCALL_CLASSES 16 |
| 156 | #define AUDIT_CLASS_DIR_WRITE 0 |
| 157 | #define AUDIT_CLASS_DIR_WRITE_32 1 |
| 158 | #define AUDIT_CLASS_CHATTR 2 |
| 159 | #define AUDIT_CLASS_CHATTR_32 3 |
Al Viro | dc104fb | 2006-08-31 19:05:56 -0400 | [diff] [blame] | 160 | #define AUDIT_CLASS_READ 4 |
| 161 | #define AUDIT_CLASS_READ_32 5 |
| 162 | #define AUDIT_CLASS_WRITE 6 |
| 163 | #define AUDIT_CLASS_WRITE_32 7 |
Amy Griffis | 7f13da4 | 2007-03-29 18:00:37 -0400 | [diff] [blame] | 164 | #define AUDIT_CLASS_SIGNAL 8 |
| 165 | #define AUDIT_CLASS_SIGNAL_32 9 |
Al Viro | b915543 | 2006-07-01 03:56:16 -0400 | [diff] [blame] | 166 | |
Dustin Kirkland | b63862f | 2005-11-03 15:41:46 +0000 | [diff] [blame] | 167 | /* This bitmask is used to validate user input. It represents all bits that |
| 168 | * are currently used in an audit field constant understood by the kernel. |
| 169 | * If you are adding a new #define AUDIT_<whatever>, please ensure that |
| 170 | * AUDIT_UNUSED_BITS is updated if need be. */ |
Eric Paris | 74f2345 | 2007-06-04 17:00:14 -0400 | [diff] [blame] | 171 | #define AUDIT_UNUSED_BITS 0x07FFFC00 |
Dustin Kirkland | b63862f | 2005-11-03 15:41:46 +0000 | [diff] [blame] | 172 | |
| 173 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 174 | /* Rule fields */ |
| 175 | /* These are useful when checking the |
| 176 | * task structure at task creation time |
| 177 | * (AUDIT_PER_TASK). */ |
| 178 | #define AUDIT_PID 0 |
| 179 | #define AUDIT_UID 1 |
| 180 | #define AUDIT_EUID 2 |
| 181 | #define AUDIT_SUID 3 |
| 182 | #define AUDIT_FSUID 4 |
| 183 | #define AUDIT_GID 5 |
| 184 | #define AUDIT_EGID 6 |
| 185 | #define AUDIT_SGID 7 |
| 186 | #define AUDIT_FSGID 8 |
| 187 | #define AUDIT_LOGINUID 9 |
| 188 | #define AUDIT_PERS 10 |
| 2fd6f58 | 2005-04-29 16:08:28 +0100 | [diff] [blame] | 189 | #define AUDIT_ARCH 11 |
Dustin Kirkland | c8edc80 | 2005-11-03 16:12:36 +0000 | [diff] [blame] | 190 | #define AUDIT_MSGTYPE 12 |
Darrel Goeddel | 3a6b9f8 | 2006-06-29 16:56:39 -0500 | [diff] [blame] | 191 | #define AUDIT_SUBJ_USER 13 /* security label user */ |
| 192 | #define AUDIT_SUBJ_ROLE 14 /* security label role */ |
| 193 | #define AUDIT_SUBJ_TYPE 15 /* security label type */ |
| 194 | #define AUDIT_SUBJ_SEN 16 /* security label sensitivity label */ |
| 195 | #define AUDIT_SUBJ_CLR 17 /* security label clearance label */ |
Al Viro | 3c66251 | 2006-05-06 08:26:27 -0400 | [diff] [blame] | 196 | #define AUDIT_PPID 18 |
Darrel Goeddel | 3a6b9f8 | 2006-06-29 16:56:39 -0500 | [diff] [blame] | 197 | #define AUDIT_OBJ_USER 19 |
| 198 | #define AUDIT_OBJ_ROLE 20 |
| 199 | #define AUDIT_OBJ_TYPE 21 |
| 200 | #define AUDIT_OBJ_LEV_LOW 22 |
| 201 | #define AUDIT_OBJ_LEV_HIGH 23 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 202 | |
| 203 | /* These are ONLY useful when checking |
| 204 | * at syscall exit time (AUDIT_AT_EXIT). */ |
| 205 | #define AUDIT_DEVMAJOR 100 |
| 206 | #define AUDIT_DEVMINOR 101 |
| 207 | #define AUDIT_INODE 102 |
| 208 | #define AUDIT_EXIT 103 |
| 209 | #define AUDIT_SUCCESS 104 /* exit >= 0; value ignored */ |
Amy Griffis | f368c07d | 2006-04-07 16:55:56 -0400 | [diff] [blame] | 210 | #define AUDIT_WATCH 105 |
Al Viro | 55669bf | 2006-08-31 19:26:40 -0400 | [diff] [blame] | 211 | #define AUDIT_PERM 106 |
Al Viro | 74c3cbe | 2007-07-22 08:04:18 -0400 | [diff] [blame] | 212 | #define AUDIT_DIR 107 |
Al Viro | 8b67dca | 2008-04-28 04:15:49 -0400 | [diff] [blame] | 213 | #define AUDIT_FILETYPE 108 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 214 | |
| 215 | #define AUDIT_ARG0 200 |
| 216 | #define AUDIT_ARG1 (AUDIT_ARG0+1) |
| 217 | #define AUDIT_ARG2 (AUDIT_ARG0+2) |
| 218 | #define AUDIT_ARG3 (AUDIT_ARG0+3) |
| 219 | |
Amy Griffis | 5adc8a6 | 2006-06-14 18:45:21 -0400 | [diff] [blame] | 220 | #define AUDIT_FILTERKEY 210 |
| 221 | |
Dustin Kirkland | b63862f | 2005-11-03 15:41:46 +0000 | [diff] [blame] | 222 | #define AUDIT_NEGATE 0x80000000 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 223 | |
Dustin Kirkland | b63862f | 2005-11-03 15:41:46 +0000 | [diff] [blame] | 224 | /* These are the supported operators. |
Eric Paris | 74f2345 | 2007-06-04 17:00:14 -0400 | [diff] [blame] | 225 | * 4 2 1 8 |
| 226 | * = > < ? |
| 227 | * ---------- |
| 228 | * 0 0 0 0 00 nonsense |
| 229 | * 0 0 0 1 08 & bit mask |
| 230 | * 0 0 1 0 10 < |
| 231 | * 0 1 0 0 20 > |
| 232 | * 0 1 1 0 30 != |
| 233 | * 1 0 0 0 40 = |
| 234 | * 1 0 0 1 48 &= bit test |
| 235 | * 1 0 1 0 50 <= |
| 236 | * 1 1 0 0 60 >= |
| 237 | * 1 1 1 1 78 all operators |
Dustin Kirkland | b63862f | 2005-11-03 15:41:46 +0000 | [diff] [blame] | 238 | */ |
Eric Paris | 74f2345 | 2007-06-04 17:00:14 -0400 | [diff] [blame] | 239 | #define AUDIT_BIT_MASK 0x08000000 |
Dustin Kirkland | b63862f | 2005-11-03 15:41:46 +0000 | [diff] [blame] | 240 | #define AUDIT_LESS_THAN 0x10000000 |
| 241 | #define AUDIT_GREATER_THAN 0x20000000 |
| 242 | #define AUDIT_NOT_EQUAL 0x30000000 |
| 243 | #define AUDIT_EQUAL 0x40000000 |
Eric Paris | 74f2345 | 2007-06-04 17:00:14 -0400 | [diff] [blame] | 244 | #define AUDIT_BIT_TEST (AUDIT_BIT_MASK|AUDIT_EQUAL) |
Dustin Kirkland | b63862f | 2005-11-03 15:41:46 +0000 | [diff] [blame] | 245 | #define AUDIT_LESS_THAN_OR_EQUAL (AUDIT_LESS_THAN|AUDIT_EQUAL) |
| 246 | #define AUDIT_GREATER_THAN_OR_EQUAL (AUDIT_GREATER_THAN|AUDIT_EQUAL) |
Eric Paris | 74f2345 | 2007-06-04 17:00:14 -0400 | [diff] [blame] | 247 | #define AUDIT_OPERATORS (AUDIT_EQUAL|AUDIT_NOT_EQUAL|AUDIT_BIT_MASK) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 248 | |
| 249 | /* Status symbols */ |
| 250 | /* Mask values */ |
| 251 | #define AUDIT_STATUS_ENABLED 0x0001 |
| 252 | #define AUDIT_STATUS_FAILURE 0x0002 |
| 253 | #define AUDIT_STATUS_PID 0x0004 |
| 254 | #define AUDIT_STATUS_RATE_LIMIT 0x0008 |
| 255 | #define AUDIT_STATUS_BACKLOG_LIMIT 0x0010 |
| 256 | /* Failure-to-log actions */ |
| 257 | #define AUDIT_FAIL_SILENT 0 |
| 258 | #define AUDIT_FAIL_PRINTK 1 |
| 259 | #define AUDIT_FAIL_PANIC 2 |
| 260 | |
| 2fd6f58 | 2005-04-29 16:08:28 +0100 | [diff] [blame] | 261 | /* distinguish syscall tables */ |
| 262 | #define __AUDIT_ARCH_64BIT 0x80000000 |
| 263 | #define __AUDIT_ARCH_LE 0x40000000 |
| 264 | #define AUDIT_ARCH_ALPHA (EM_ALPHA|__AUDIT_ARCH_64BIT|__AUDIT_ARCH_LE) |
| 265 | #define AUDIT_ARCH_ARM (EM_ARM|__AUDIT_ARCH_LE) |
| 266 | #define AUDIT_ARCH_ARMEB (EM_ARM) |
| 267 | #define AUDIT_ARCH_CRIS (EM_CRIS|__AUDIT_ARCH_LE) |
| 268 | #define AUDIT_ARCH_FRV (EM_FRV) |
| 269 | #define AUDIT_ARCH_H8300 (EM_H8_300) |
| 270 | #define AUDIT_ARCH_I386 (EM_386|__AUDIT_ARCH_LE) |
| 271 | #define AUDIT_ARCH_IA64 (EM_IA_64|__AUDIT_ARCH_64BIT|__AUDIT_ARCH_LE) |
| 272 | #define AUDIT_ARCH_M32R (EM_M32R) |
| 273 | #define AUDIT_ARCH_M68K (EM_68K) |
| 274 | #define AUDIT_ARCH_MIPS (EM_MIPS) |
| 275 | #define AUDIT_ARCH_MIPSEL (EM_MIPS|__AUDIT_ARCH_LE) |
| 276 | #define AUDIT_ARCH_MIPS64 (EM_MIPS|__AUDIT_ARCH_64BIT) |
| 277 | #define AUDIT_ARCH_MIPSEL64 (EM_MIPS|__AUDIT_ARCH_64BIT|__AUDIT_ARCH_LE) |
| 278 | #define AUDIT_ARCH_PARISC (EM_PARISC) |
| 279 | #define AUDIT_ARCH_PARISC64 (EM_PARISC|__AUDIT_ARCH_64BIT) |
| 280 | #define AUDIT_ARCH_PPC (EM_PPC) |
| 281 | #define AUDIT_ARCH_PPC64 (EM_PPC64|__AUDIT_ARCH_64BIT) |
| 282 | #define AUDIT_ARCH_S390 (EM_S390) |
| 283 | #define AUDIT_ARCH_S390X (EM_S390|__AUDIT_ARCH_64BIT) |
| 284 | #define AUDIT_ARCH_SH (EM_SH) |
| 285 | #define AUDIT_ARCH_SHEL (EM_SH|__AUDIT_ARCH_LE) |
| 286 | #define AUDIT_ARCH_SH64 (EM_SH|__AUDIT_ARCH_64BIT) |
| 287 | #define AUDIT_ARCH_SHEL64 (EM_SH|__AUDIT_ARCH_64BIT|__AUDIT_ARCH_LE) |
| 288 | #define AUDIT_ARCH_SPARC (EM_SPARC) |
David S. Miller | f7ceba3 | 2005-07-10 19:29:45 -0700 | [diff] [blame] | 289 | #define AUDIT_ARCH_SPARC64 (EM_SPARCV9|__AUDIT_ARCH_64BIT) |
| 2fd6f58 | 2005-04-29 16:08:28 +0100 | [diff] [blame] | 290 | #define AUDIT_ARCH_X86_64 (EM_X86_64|__AUDIT_ARCH_64BIT|__AUDIT_ARCH_LE) |
| 291 | |
Al Viro | 55669bf | 2006-08-31 19:26:40 -0400 | [diff] [blame] | 292 | #define AUDIT_PERM_EXEC 1 |
| 293 | #define AUDIT_PERM_WRITE 2 |
| 294 | #define AUDIT_PERM_READ 4 |
| 295 | #define AUDIT_PERM_ATTR 8 |
| 296 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 297 | struct audit_status { |
| 298 | __u32 mask; /* Bit mask for valid entries */ |
Steve Grubb | 23f32d1 | 2005-05-13 18:35:15 +0100 | [diff] [blame] | 299 | __u32 enabled; /* 1 = enabled, 0 = disabled */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 300 | __u32 failure; /* Failure-to-log action */ |
| 301 | __u32 pid; /* pid of auditd process */ |
| 302 | __u32 rate_limit; /* messages rate limit (per second) */ |
| 303 | __u32 backlog_limit; /* waiting messages limit */ |
| 304 | __u32 lost; /* messages lost */ |
| 305 | __u32 backlog; /* messages waiting in queue */ |
| 306 | }; |
| 307 | |
Miloslav Trmac | 522ed77 | 2007-07-15 23:40:56 -0700 | [diff] [blame] | 308 | struct audit_tty_status { |
| 309 | __u32 enabled; /* 1 = enabled, 0 = disabled */ |
| 310 | }; |
| 311 | |
Amy Griffis | 93315ed | 2006-02-07 12:05:27 -0500 | [diff] [blame] | 312 | /* audit_rule_data supports filter rules with both integer and string |
| 313 | * fields. It corresponds with AUDIT_ADD_RULE, AUDIT_DEL_RULE and |
| 314 | * AUDIT_LIST_RULES requests. |
| 315 | */ |
| 316 | struct audit_rule_data { |
| 317 | __u32 flags; /* AUDIT_PER_{TASK,CALL}, AUDIT_PREPEND */ |
| 318 | __u32 action; /* AUDIT_NEVER, AUDIT_POSSIBLE, AUDIT_ALWAYS */ |
| 319 | __u32 field_count; |
Steve Grubb | 5d33010 | 2006-01-09 09:48:17 -0500 | [diff] [blame] | 320 | __u32 mask[AUDIT_BITMASK_SIZE]; /* syscall(s) affected */ |
Amy Griffis | 93315ed | 2006-02-07 12:05:27 -0500 | [diff] [blame] | 321 | __u32 fields[AUDIT_MAX_FIELDS]; |
| 322 | __u32 values[AUDIT_MAX_FIELDS]; |
| 323 | __u32 fieldflags[AUDIT_MAX_FIELDS]; |
| 324 | __u32 buflen; /* total length of string fields */ |
| 325 | char buf[0]; /* string fields buffer */ |
| 326 | }; |
| 327 | |
| 328 | /* audit_rule is supported to maintain backward compatibility with |
| 329 | * userspace. It supports integer fields only and corresponds to |
| 330 | * AUDIT_ADD, AUDIT_DEL and AUDIT_LIST requests. |
| 331 | */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 332 | struct audit_rule { /* for AUDIT_LIST, AUDIT_ADD, and AUDIT_DEL */ |
| 333 | __u32 flags; /* AUDIT_PER_{TASK,CALL}, AUDIT_PREPEND */ |
| 334 | __u32 action; /* AUDIT_NEVER, AUDIT_POSSIBLE, AUDIT_ALWAYS */ |
| 335 | __u32 field_count; |
| 336 | __u32 mask[AUDIT_BITMASK_SIZE]; |
| 337 | __u32 fields[AUDIT_MAX_FIELDS]; |
| 338 | __u32 values[AUDIT_MAX_FIELDS]; |
| 339 | }; |
| 340 | |
| 341 | #ifdef __KERNEL__ |
David Woodhouse | f001e47 | 2006-04-27 00:11:01 +0100 | [diff] [blame] | 342 | #include <linux/sched.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 343 | |
Steve Grubb | c2f0c7c | 2005-05-06 12:38:39 +0100 | [diff] [blame] | 344 | struct audit_sig_info { |
| 345 | uid_t uid; |
| 346 | pid_t pid; |
Al Viro | e139606 | 2006-05-25 10:19:47 -0400 | [diff] [blame] | 347 | char ctx[0]; |
Steve Grubb | c2f0c7c | 2005-05-06 12:38:39 +0100 | [diff] [blame] | 348 | }; |
| 349 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 350 | struct audit_buffer; |
| 351 | struct audit_context; |
| 352 | struct inode; |
David Woodhouse | 5bb289b | 2005-06-24 14:14:05 +0100 | [diff] [blame] | 353 | struct netlink_skb_parms; |
Al Viro | 473ae30 | 2006-04-26 14:04:08 -0400 | [diff] [blame] | 354 | struct linux_binprm; |
George C. Wilson | 20ca73b | 2006-05-24 16:09:55 -0500 | [diff] [blame] | 355 | struct mq_attr; |
| 356 | struct mqstat; |
Ahmed S. Darwish | 9d57a7f | 2008-03-01 22:03:14 +0200 | [diff] [blame] | 357 | struct audit_watch; |
| 358 | struct audit_tree; |
| 359 | |
| 360 | struct audit_krule { |
| 361 | int vers_ops; |
| 362 | u32 flags; |
| 363 | u32 listnr; |
| 364 | u32 action; |
| 365 | u32 mask[AUDIT_BITMASK_SIZE]; |
| 366 | u32 buflen; /* for data alloc on list rules */ |
| 367 | u32 field_count; |
| 368 | char *filterkey; /* ties events to rules */ |
| 369 | struct audit_field *fields; |
| 370 | struct audit_field *arch_f; /* quick access to arch field */ |
| 371 | struct audit_field *inode_f; /* quick access to an inode field */ |
| 372 | struct audit_watch *watch; /* associated watch */ |
| 373 | struct audit_tree *tree; /* associated watched tree */ |
| 374 | struct list_head rlist; /* entry in audit_{watch,tree}.rules list */ |
| 375 | }; |
| 376 | |
| 377 | struct audit_field { |
| 378 | u32 type; |
| 379 | u32 val; |
| 380 | u32 op; |
Ahmed S. Darwish | 04305e4 | 2008-04-19 09:59:43 +1000 | [diff] [blame] | 381 | char *lsm_str; |
| 382 | void *lsm_rule; |
Ahmed S. Darwish | 9d57a7f | 2008-03-01 22:03:14 +0200 | [diff] [blame] | 383 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 384 | |
| 2fd6f58 | 2005-04-29 16:08:28 +0100 | [diff] [blame] | 385 | #define AUDITSC_INVALID 0 |
| 386 | #define AUDITSC_SUCCESS 1 |
| 387 | #define AUDITSC_FAILURE 2 |
| 388 | #define AUDITSC_RESULT(x) ( ((long)(x))<0?AUDITSC_FAILURE:AUDITSC_SUCCESS ) |
Al Viro | b915543 | 2006-07-01 03:56:16 -0400 | [diff] [blame] | 389 | extern int __init audit_register_class(int class, unsigned *list); |
Al Viro | 55669bf | 2006-08-31 19:26:40 -0400 | [diff] [blame] | 390 | extern int audit_classify_syscall(int abi, unsigned syscall); |
Amy Griffis | e54dc24 | 2007-03-29 18:01:04 -0400 | [diff] [blame] | 391 | extern int audit_classify_arch(int arch); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 392 | #ifdef CONFIG_AUDITSYSCALL |
| 393 | /* These are defined in auditsc.c */ |
| 394 | /* Public API */ |
| 395 | extern int audit_alloc(struct task_struct *task); |
| 396 | extern void audit_free(struct task_struct *task); |
Al Viro | 5411be5 | 2006-03-29 20:23:36 -0500 | [diff] [blame] | 397 | extern void audit_syscall_entry(int arch, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 398 | int major, unsigned long a0, unsigned long a1, |
| 399 | unsigned long a2, unsigned long a3); |
Al Viro | 5411be5 | 2006-03-29 20:23:36 -0500 | [diff] [blame] | 400 | extern void audit_syscall_exit(int failed, long return_code); |
Al Viro | d8945bb5 | 2006-05-18 16:01:30 -0400 | [diff] [blame] | 401 | extern void __audit_getname(const char *name); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 402 | extern void audit_putname(const char *name); |
Al Viro | 5a190ae | 2007-06-07 12:19:32 -0400 | [diff] [blame] | 403 | extern void __audit_inode(const char *name, const struct dentry *dentry); |
| 404 | extern void __audit_inode_child(const char *dname, const struct dentry *dentry, |
Amy Griffis | 73d3ec5 | 2006-07-13 13:16:39 -0400 | [diff] [blame] | 405 | const struct inode *parent); |
Al Viro | a5cb013 | 2007-03-20 13:58:35 -0400 | [diff] [blame] | 406 | extern void __audit_ptrace(struct task_struct *t); |
| 407 | |
Al Viro | d51374a | 2006-08-03 10:59:26 -0400 | [diff] [blame] | 408 | static inline int audit_dummy_context(void) |
| 409 | { |
| 410 | void *p = current->audit_context; |
| 411 | return !p || *(int *)p; |
| 412 | } |
Al Viro | d8945bb5 | 2006-05-18 16:01:30 -0400 | [diff] [blame] | 413 | static inline void audit_getname(const char *name) |
| 414 | { |
Al Viro | 5ac3a9c | 2006-07-16 06:38:45 -0400 | [diff] [blame] | 415 | if (unlikely(!audit_dummy_context())) |
Al Viro | d8945bb5 | 2006-05-18 16:01:30 -0400 | [diff] [blame] | 416 | __audit_getname(name); |
| 417 | } |
Al Viro | 5a190ae | 2007-06-07 12:19:32 -0400 | [diff] [blame] | 418 | static inline void audit_inode(const char *name, const struct dentry *dentry) { |
Al Viro | 5ac3a9c | 2006-07-16 06:38:45 -0400 | [diff] [blame] | 419 | if (unlikely(!audit_dummy_context())) |
Al Viro | 5a190ae | 2007-06-07 12:19:32 -0400 | [diff] [blame] | 420 | __audit_inode(name, dentry); |
Amy Griffis | 73241cc | 2005-11-03 16:00:25 +0000 | [diff] [blame] | 421 | } |
| 422 | static inline void audit_inode_child(const char *dname, |
Al Viro | 5a190ae | 2007-06-07 12:19:32 -0400 | [diff] [blame] | 423 | const struct dentry *dentry, |
Amy Griffis | 73d3ec5 | 2006-07-13 13:16:39 -0400 | [diff] [blame] | 424 | const struct inode *parent) { |
Al Viro | 5ac3a9c | 2006-07-16 06:38:45 -0400 | [diff] [blame] | 425 | if (unlikely(!audit_dummy_context())) |
Al Viro | 5a190ae | 2007-06-07 12:19:32 -0400 | [diff] [blame] | 426 | __audit_inode_child(dname, dentry, parent); |
Amy Griffis | 73241cc | 2005-11-03 16:00:25 +0000 | [diff] [blame] | 427 | } |
Steve Grubb | 0a4ff8c | 2007-04-19 10:28:21 -0400 | [diff] [blame] | 428 | void audit_core_dumps(long signr); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 429 | |
Al Viro | a5cb013 | 2007-03-20 13:58:35 -0400 | [diff] [blame] | 430 | static inline void audit_ptrace(struct task_struct *t) |
| 431 | { |
| 432 | if (unlikely(!audit_dummy_context())) |
| 433 | __audit_ptrace(t); |
| 434 | } |
| 435 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 436 | /* Private API (for audit.c only) */ |
David Woodhouse | bfb4496 | 2005-05-21 21:08:09 +0100 | [diff] [blame] | 437 | extern unsigned int audit_serial(void); |
| 438 | extern void auditsc_get_stamp(struct audit_context *ctx, |
| 439 | struct timespec *t, unsigned int *serial); |
Steve Grubb | 456be6c | 2005-04-29 17:30:07 +0100 | [diff] [blame] | 440 | extern int audit_set_loginuid(struct task_struct *task, uid_t loginuid); |
Al Viro | bfef93a | 2008-01-10 04:53:18 -0500 | [diff] [blame] | 441 | #define audit_get_loginuid(t) ((t)->loginuid) |
Eric Paris | 4746ec5 | 2008-01-08 10:06:53 -0500 | [diff] [blame] | 442 | #define audit_get_sessionid(t) ((t)->sessionid) |
Joy Latten | 161a09e | 2006-11-27 13:11:54 -0600 | [diff] [blame] | 443 | extern void audit_log_task_context(struct audit_buffer *ab); |
Al Viro | d8945bb5 | 2006-05-18 16:01:30 -0400 | [diff] [blame] | 444 | extern int __audit_ipc_obj(struct kern_ipc_perm *ipcp); |
| 445 | extern int __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] | 446 | extern int audit_bprm(struct linux_binprm *bprm); |
David Woodhouse | 3ec3b2f | 2005-05-17 12:08:48 +0100 | [diff] [blame] | 447 | extern int audit_socketcall(int nargs, unsigned long *args); |
| 448 | extern int audit_sockaddr(int len, void *addr); |
Al Viro | db34950 | 2007-02-07 01:48:00 -0500 | [diff] [blame] | 449 | extern int __audit_fd_pair(int fd1, int fd2); |
Dustin Kirkland | 8c8570f | 2005-11-03 17:15:16 +0000 | [diff] [blame] | 450 | extern int audit_set_macxattr(const char *name); |
George C. Wilson | 20ca73b | 2006-05-24 16:09:55 -0500 | [diff] [blame] | 451 | extern int __audit_mq_open(int oflag, mode_t mode, struct mq_attr __user *u_attr); |
| 452 | extern int __audit_mq_timedsend(mqd_t mqdes, size_t msg_len, unsigned int msg_prio, const struct timespec __user *u_abs_timeout); |
| 453 | extern int __audit_mq_timedreceive(mqd_t mqdes, size_t msg_len, unsigned int __user *u_msg_prio, const struct timespec __user *u_abs_timeout); |
| 454 | extern int __audit_mq_notify(mqd_t mqdes, const struct sigevent __user *u_notification); |
| 455 | extern int __audit_mq_getsetattr(mqd_t mqdes, struct mq_attr *mqstat); |
Eric Paris | 3fc689e | 2008-11-11 21:48:18 +1100 | [diff] [blame^] | 456 | extern void __audit_log_bprm_fcaps(struct linux_binprm *bprm, kernel_cap_t *pP, kernel_cap_t *pE); |
Al Viro | d8945bb5 | 2006-05-18 16:01:30 -0400 | [diff] [blame] | 457 | |
| 458 | static inline int audit_ipc_obj(struct kern_ipc_perm *ipcp) |
| 459 | { |
Al Viro | 5ac3a9c | 2006-07-16 06:38:45 -0400 | [diff] [blame] | 460 | if (unlikely(!audit_dummy_context())) |
Al Viro | d8945bb5 | 2006-05-18 16:01:30 -0400 | [diff] [blame] | 461 | return __audit_ipc_obj(ipcp); |
| 462 | return 0; |
| 463 | } |
Al Viro | db34950 | 2007-02-07 01:48:00 -0500 | [diff] [blame] | 464 | static inline int audit_fd_pair(int fd1, int fd2) |
| 465 | { |
| 466 | if (unlikely(!audit_dummy_context())) |
| 467 | return __audit_fd_pair(fd1, fd2); |
| 468 | return 0; |
| 469 | } |
Al Viro | d8945bb5 | 2006-05-18 16:01:30 -0400 | [diff] [blame] | 470 | static inline int audit_ipc_set_perm(unsigned long qbytes, uid_t uid, gid_t gid, mode_t mode) |
| 471 | { |
Al Viro | 5ac3a9c | 2006-07-16 06:38:45 -0400 | [diff] [blame] | 472 | if (unlikely(!audit_dummy_context())) |
Al Viro | d8945bb5 | 2006-05-18 16:01:30 -0400 | [diff] [blame] | 473 | return __audit_ipc_set_perm(qbytes, uid, gid, mode); |
| 474 | return 0; |
| 475 | } |
George C. Wilson | 20ca73b | 2006-05-24 16:09:55 -0500 | [diff] [blame] | 476 | static inline int audit_mq_open(int oflag, mode_t mode, struct mq_attr __user *u_attr) |
| 477 | { |
Al Viro | 5ac3a9c | 2006-07-16 06:38:45 -0400 | [diff] [blame] | 478 | if (unlikely(!audit_dummy_context())) |
George C. Wilson | 20ca73b | 2006-05-24 16:09:55 -0500 | [diff] [blame] | 479 | return __audit_mq_open(oflag, mode, u_attr); |
| 480 | return 0; |
| 481 | } |
| 482 | static inline int audit_mq_timedsend(mqd_t mqdes, size_t msg_len, unsigned int msg_prio, const struct timespec __user *u_abs_timeout) |
| 483 | { |
Al Viro | 5ac3a9c | 2006-07-16 06:38:45 -0400 | [diff] [blame] | 484 | if (unlikely(!audit_dummy_context())) |
George C. Wilson | 20ca73b | 2006-05-24 16:09:55 -0500 | [diff] [blame] | 485 | return __audit_mq_timedsend(mqdes, msg_len, msg_prio, u_abs_timeout); |
| 486 | return 0; |
| 487 | } |
| 488 | static inline int audit_mq_timedreceive(mqd_t mqdes, size_t msg_len, unsigned int __user *u_msg_prio, const struct timespec __user *u_abs_timeout) |
| 489 | { |
Al Viro | 5ac3a9c | 2006-07-16 06:38:45 -0400 | [diff] [blame] | 490 | if (unlikely(!audit_dummy_context())) |
George C. Wilson | 20ca73b | 2006-05-24 16:09:55 -0500 | [diff] [blame] | 491 | return __audit_mq_timedreceive(mqdes, msg_len, u_msg_prio, u_abs_timeout); |
| 492 | return 0; |
| 493 | } |
| 494 | static inline int audit_mq_notify(mqd_t mqdes, const struct sigevent __user *u_notification) |
| 495 | { |
Al Viro | 5ac3a9c | 2006-07-16 06:38:45 -0400 | [diff] [blame] | 496 | if (unlikely(!audit_dummy_context())) |
George C. Wilson | 20ca73b | 2006-05-24 16:09:55 -0500 | [diff] [blame] | 497 | return __audit_mq_notify(mqdes, u_notification); |
| 498 | return 0; |
| 499 | } |
| 500 | static inline int audit_mq_getsetattr(mqd_t mqdes, struct mq_attr *mqstat) |
| 501 | { |
Al Viro | 5ac3a9c | 2006-07-16 06:38:45 -0400 | [diff] [blame] | 502 | if (unlikely(!audit_dummy_context())) |
George C. Wilson | 20ca73b | 2006-05-24 16:09:55 -0500 | [diff] [blame] | 503 | return __audit_mq_getsetattr(mqdes, mqstat); |
| 504 | return 0; |
| 505 | } |
Eric Paris | 3fc689e | 2008-11-11 21:48:18 +1100 | [diff] [blame^] | 506 | |
| 507 | /* |
| 508 | * ieieeeeee, an audit function without a return code! |
| 509 | * |
| 510 | * This function might fail! I decided that it didn't matter. We are too late |
| 511 | * to fail the syscall and the information isn't REQUIRED for any purpose. It's |
| 512 | * just nice to have. We should be able to look at past audit logs to figure |
| 513 | * out this process's current cap set along with the fcaps from the PATH record |
| 514 | * and use that to come up with the final set. Yeah, its ugly, but all the info |
| 515 | * is still in the audit log. So I'm not going to bother mentioning we failed |
| 516 | * if we couldn't allocate memory. |
| 517 | * |
| 518 | * If someone changes their mind they could create the aux record earlier and |
| 519 | * then search here and use that earlier allocation. But I don't wanna. |
| 520 | * |
| 521 | * -Eric |
| 522 | */ |
| 523 | static inline void audit_log_bprm_fcaps(struct linux_binprm *bprm, kernel_cap_t *pP, kernel_cap_t *pE) |
| 524 | { |
| 525 | if (unlikely(!audit_dummy_context())) |
| 526 | __audit_log_bprm_fcaps(bprm, pP, pE); |
| 527 | } |
| 528 | |
Al Viro | 471a5c7 | 2006-07-10 08:29:24 -0400 | [diff] [blame] | 529 | extern int audit_n_rules; |
Amy Griffis | e54dc24 | 2007-03-29 18:01:04 -0400 | [diff] [blame] | 530 | extern int audit_signals; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 531 | #else |
| 532 | #define audit_alloc(t) ({ 0; }) |
| 533 | #define audit_free(t) do { ; } while (0) |
Al Viro | 5411be5 | 2006-03-29 20:23:36 -0500 | [diff] [blame] | 534 | #define audit_syscall_entry(ta,a,b,c,d,e) do { ; } while (0) |
| 535 | #define audit_syscall_exit(f,r) do { ; } while (0) |
Al Viro | d51374a | 2006-08-03 10:59:26 -0400 | [diff] [blame] | 536 | #define audit_dummy_context() 1 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 537 | #define audit_getname(n) do { ; } while (0) |
| 538 | #define audit_putname(n) do { ; } while (0) |
Al Viro | 5a190ae | 2007-06-07 12:19:32 -0400 | [diff] [blame] | 539 | #define __audit_inode(n,d) do { ; } while (0) |
Amy Griffis | 73241cc | 2005-11-03 16:00:25 +0000 | [diff] [blame] | 540 | #define __audit_inode_child(d,i,p) do { ; } while (0) |
Al Viro | 5a190ae | 2007-06-07 12:19:32 -0400 | [diff] [blame] | 541 | #define audit_inode(n,d) do { ; } while (0) |
Amy Griffis | 73241cc | 2005-11-03 16:00:25 +0000 | [diff] [blame] | 542 | #define audit_inode_child(d,i,p) do { ; } while (0) |
Steve Grubb | 0a4ff8c | 2007-04-19 10:28:21 -0400 | [diff] [blame] | 543 | #define audit_core_dumps(i) do { ; } while (0) |
David Woodhouse | bfb4496 | 2005-05-21 21:08:09 +0100 | [diff] [blame] | 544 | #define auditsc_get_stamp(c,t,s) do { BUG(); } while (0) |
Al Viro | 0c11b94 | 2008-01-10 04:20:52 -0500 | [diff] [blame] | 545 | #define audit_get_loginuid(t) (-1) |
Eric Paris | 4746ec5 | 2008-01-08 10:06:53 -0500 | [diff] [blame] | 546 | #define audit_get_sessionid(t) (-1) |
Joy Latten | 161a09e | 2006-11-27 13:11:54 -0600 | [diff] [blame] | 547 | #define audit_log_task_context(b) do { ; } while (0) |
Steve Grubb | 073115d | 2006-04-02 17:07:33 -0400 | [diff] [blame] | 548 | #define audit_ipc_obj(i) ({ 0; }) |
Linda Knippers | ac03221 | 2006-05-16 22:03:48 -0400 | [diff] [blame] | 549 | #define audit_ipc_set_perm(q,u,g,m) ({ 0; }) |
Al Viro | 473ae30 | 2006-04-26 14:04:08 -0400 | [diff] [blame] | 550 | #define audit_bprm(p) ({ 0; }) |
David Woodhouse | 3ec3b2f | 2005-05-17 12:08:48 +0100 | [diff] [blame] | 551 | #define audit_socketcall(n,a) ({ 0; }) |
Al Viro | db34950 | 2007-02-07 01:48:00 -0500 | [diff] [blame] | 552 | #define audit_fd_pair(n,a) ({ 0; }) |
David Woodhouse | 3ec3b2f | 2005-05-17 12:08:48 +0100 | [diff] [blame] | 553 | #define audit_sockaddr(len, addr) ({ 0; }) |
Dustin Kirkland | 8c8570f | 2005-11-03 17:15:16 +0000 | [diff] [blame] | 554 | #define audit_set_macxattr(n) do { ; } while (0) |
George C. Wilson | 20ca73b | 2006-05-24 16:09:55 -0500 | [diff] [blame] | 555 | #define audit_mq_open(o,m,a) ({ 0; }) |
| 556 | #define audit_mq_timedsend(d,l,p,t) ({ 0; }) |
| 557 | #define audit_mq_timedreceive(d,l,p,t) ({ 0; }) |
| 558 | #define audit_mq_notify(d,n) ({ 0; }) |
| 559 | #define audit_mq_getsetattr(d,s) ({ 0; }) |
Eric Paris | 3fc689e | 2008-11-11 21:48:18 +1100 | [diff] [blame^] | 560 | #define audit_log_bprm_fcaps(b, p, e) do { ; } while (0) |
Al Viro | a5cb013 | 2007-03-20 13:58:35 -0400 | [diff] [blame] | 561 | #define audit_ptrace(t) ((void)0) |
Al Viro | 471a5c7 | 2006-07-10 08:29:24 -0400 | [diff] [blame] | 562 | #define audit_n_rules 0 |
Amy Griffis | e54dc24 | 2007-03-29 18:01:04 -0400 | [diff] [blame] | 563 | #define audit_signals 0 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 564 | #endif |
| 565 | |
| 566 | #ifdef CONFIG_AUDIT |
| 567 | /* These are defined in audit.c */ |
| 568 | /* Public API */ |
Al Viro | 9796fdd | 2005-10-21 03:22:03 -0400 | [diff] [blame] | 569 | extern void audit_log(struct audit_context *ctx, gfp_t gfp_mask, |
David Woodhouse | 9ad9ad3 | 2005-06-22 15:04:33 +0100 | [diff] [blame] | 570 | int type, const char *fmt, ...) |
| 571 | __attribute__((format(printf,4,5))); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 572 | |
Al Viro | 9796fdd | 2005-10-21 03:22:03 -0400 | [diff] [blame] | 573 | 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] | 574 | extern void audit_log_format(struct audit_buffer *ab, |
| 575 | const char *fmt, ...) |
| 576 | __attribute__((format(printf,2,3))); |
| 577 | extern void audit_log_end(struct audit_buffer *ab); |
Eric Paris | de6bbd1 | 2008-01-07 14:31:58 -0500 | [diff] [blame] | 578 | extern int audit_string_contains_control(const char *string, |
| 579 | size_t len); |
Eric Paris | b556f8a | 2008-04-18 10:12:59 -0400 | [diff] [blame] | 580 | extern void audit_log_n_hex(struct audit_buffer *ab, |
| 581 | const unsigned char *buf, |
| 582 | size_t len); |
| 583 | extern void audit_log_n_string(struct audit_buffer *ab, |
| 584 | const char *buf, |
| 585 | size_t n); |
| 586 | #define audit_log_string(a,b) audit_log_n_string(a, b, strlen(b)); |
| 587 | extern void audit_log_n_untrustedstring(struct audit_buffer *ab, |
| 588 | const char *string, |
| 589 | size_t n); |
Eric Paris | de6bbd1 | 2008-01-07 14:31:58 -0500 | [diff] [blame] | 590 | extern void audit_log_untrustedstring(struct audit_buffer *ab, |
| 83c7d09 | 2005-04-29 15:54:44 +0100 | [diff] [blame] | 591 | const char *string); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 592 | extern void audit_log_d_path(struct audit_buffer *ab, |
| 593 | const char *prefix, |
Jan Blunck | 44707fd | 2008-02-14 19:38:33 -0800 | [diff] [blame] | 594 | struct path *path); |
Miloslav Trmac | 522ed77 | 2007-07-15 23:40:56 -0700 | [diff] [blame] | 595 | extern void audit_log_lost(const char *message); |
Ahmed S. Darwish | 9d57a7f | 2008-03-01 22:03:14 +0200 | [diff] [blame] | 596 | extern int audit_update_lsm_rules(void); |
| 597 | |
David Woodhouse | fe7752b | 2005-12-15 18:33:52 +0000 | [diff] [blame] | 598 | /* Private API (for audit.c only) */ |
Peng Haitao | d8de724 | 2008-05-20 09:13:02 +0800 | [diff] [blame] | 599 | extern int audit_filter_user(struct netlink_skb_parms *cb); |
David Woodhouse | fe7752b | 2005-12-15 18:33:52 +0000 | [diff] [blame] | 600 | extern int audit_filter_type(int type); |
| 601 | 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] | 602 | void *data, size_t datasz, uid_t loginuid, |
| 603 | u32 sessionid, u32 sid); |
Miloslav Trmac | 522ed77 | 2007-07-15 23:40:56 -0700 | [diff] [blame] | 604 | extern int audit_enabled; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 605 | #else |
David Woodhouse | 7b43043 | 2005-07-02 13:50:40 +0100 | [diff] [blame] | 606 | #define audit_log(c,g,t,f,...) do { ; } while (0) |
Badari Pulavarty | 1377402 | 2005-07-02 13:49:07 +0100 | [diff] [blame] | 607 | #define audit_log_start(c,g,t) ({ NULL; }) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 608 | #define audit_log_vformat(b,f,a) do { ; } while (0) |
| 609 | #define audit_log_format(b,f,...) do { ; } while (0) |
| 610 | #define audit_log_end(b) do { ; } while (0) |
Eric Paris | b556f8a | 2008-04-18 10:12:59 -0400 | [diff] [blame] | 611 | #define audit_log_n_hex(a,b,l) do { ; } while (0) |
| 612 | #define audit_log_n_string(a,c,l) do { ; } while (0) |
| 613 | #define audit_log_string(a,c) do { ; } while (0) |
Amy Griffis | 9c937dc | 2006-06-08 23:19:31 -0400 | [diff] [blame] | 614 | #define audit_log_n_untrustedstring(a,n,s) do { ; } while (0) |
Eric Paris | b556f8a | 2008-04-18 10:12:59 -0400 | [diff] [blame] | 615 | #define audit_log_untrustedstring(a,s) do { ; } while (0) |
Jan Blunck | 44707fd | 2008-02-14 19:38:33 -0800 | [diff] [blame] | 616 | #define audit_log_d_path(b, p, d) do { ; } while (0) |
Miloslav Trmac | 522ed77 | 2007-07-15 23:40:56 -0700 | [diff] [blame] | 617 | #define audit_enabled 0 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 618 | #endif |
| 619 | #endif |
| 620 | #endif |