1 /* audit.h -- Auditing support 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 <[email protected]> 21 * 22 */ 23 24 #ifndef _LINUX_AUDIT_H_ 25 #define _LINUX_AUDIT_H_ 26 27 #include <linux/elf-em.h> 28 29 /* The netlink messages for the audit system is divided into blocks: 30 * 1000 - 1099 are for commanding the audit system 31 * 1100 - 1199 user space trusted application messages 32 * 1200 - 1299 messages internal to the audit daemon 33 * 1300 - 1399 audit event messages 34 * 1400 - 1499 SE Linux use 35 * 1500 - 1599 kernel LSPP events 36 * 1600 - 1699 kernel crypto events 37 * 1700 - 1799 kernel anomaly records 38 * 1800 - 1999 future kernel use (maybe integrity labels and related events) 39 * 2000 is for otherwise unclassified kernel audit messages (legacy) 40 * 2001 - 2099 unused (kernel) 41 * 2100 - 2199 user space anomaly records 42 * 2200 - 2299 user space actions taken in response to anomalies 43 * 2300 - 2399 user space generated LSPP events 44 * 2400 - 2499 user space crypto events 45 * 2500 - 2999 future user space (maybe integrity labels and related events) 46 * 47 * Messages from 1000-1199 are bi-directional. 1200-1299 & 2100 - 2999 are 48 * exclusively user space. 1300-2099 is kernel --> user space 49 * communication. 50 */ 51 #define AUDIT_GET 1000 /* Get status */ 52 #define AUDIT_SET 1001 /* Set status (enable/disable/auditd) */ 53 #define AUDIT_LIST 1002 /* List syscall rules -- deprecated */ 54 #define AUDIT_ADD 1003 /* Add syscall rule -- deprecated */ 55 #define AUDIT_DEL 1004 /* Delete syscall rule -- deprecated */ 56 #define AUDIT_USER 1005 /* Message from userspace -- deprecated */ 57 #define AUDIT_LOGIN 1006 /* Define the login id and information */ 58 #define AUDIT_WATCH_INS 1007 /* Insert file/dir watch entry */ 59 #define AUDIT_WATCH_REM 1008 /* Remove file/dir watch entry */ 60 #define AUDIT_WATCH_LIST 1009 /* List all file/dir watches */ 61 #define AUDIT_SIGNAL_INFO 1010 /* Get info about sender of signal to auditd */ 62 #define AUDIT_ADD_RULE 1011 /* Add syscall filtering rule */ 63 #define AUDIT_DEL_RULE 1012 /* Delete syscall filtering rule */ 64 #define AUDIT_LIST_RULES 1013 /* List syscall filtering rules */ 65 66 #define AUDIT_FIRST_USER_MSG 1100 /* Userspace messages mostly uninteresting to kernel */ 67 #define AUDIT_USER_AVC 1107 /* We filter this differently */ 68 #define AUDIT_LAST_USER_MSG 1199 69 #define AUDIT_FIRST_USER_MSG2 2100 /* More user space messages */ 70 #define AUDIT_LAST_USER_MSG2 2999 71 72 #define AUDIT_DAEMON_START 1200 /* Daemon startup record */ 73 #define AUDIT_DAEMON_END 1201 /* Daemon normal stop record */ 74 #define AUDIT_DAEMON_ABORT 1202 /* Daemon error stop record */ 75 #define AUDIT_DAEMON_CONFIG 1203 /* Daemon config change */ 76 77 #define AUDIT_SYSCALL 1300 /* Syscall event */ 78 #define AUDIT_FS_WATCH 1301 /* Filesystem watch event */ 79 #define AUDIT_PATH 1302 /* Filename path information */ 80 #define AUDIT_IPC 1303 /* IPC record */ 81 #define AUDIT_SOCKETCALL 1304 /* sys_socketcall arguments */ 82 #define AUDIT_CONFIG_CHANGE 1305 /* Audit system configuration change */ 83 #define AUDIT_SOCKADDR 1306 /* sockaddr copied as syscall arg */ 84 #define AUDIT_CWD 1307 /* Current working directory */ 85 #define AUDIT_EXECVE 1309 /* execve arguments */ 86 #define AUDIT_IPC_SET_PERM 1311 /* IPC new permissions record type */ 87 #define AUDIT_MQ_OPEN 1312 /* POSIX MQ open record type */ 88 #define AUDIT_MQ_SENDRECV 1313 /* POSIX MQ send/receive record type */ 89 #define AUDIT_MQ_NOTIFY 1314 /* POSIX MQ notify record type */ 90 #define AUDIT_MQ_GETSETATTR 1315 /* POSIX MQ get/set attribute record type */ 91 92 #define AUDIT_AVC 1400 /* SE Linux avc denial or grant */ 93 #define AUDIT_SELINUX_ERR 1401 /* Internal SE Linux Errors */ 94 #define AUDIT_AVC_PATH 1402 /* dentry, vfsmount pair from avc */ 95 #define AUDIT_MAC_POLICY_LOAD 1403 /* Policy file load */ 96 #define AUDIT_MAC_STATUS 1404 /* Changed enforcing,permissive,off */ 97 #define AUDIT_MAC_CONFIG_CHANGE 1405 /* Changes to booleans */ 98 99 #define AUDIT_FIRST_KERN_ANOM_MSG 1700 100 #define AUDIT_LAST_KERN_ANOM_MSG 1799 101 #define AUDIT_ANOM_PROMISCUOUS 1700 /* Device changed promiscuous mode */ 102 103 #define AUDIT_KERNEL 2000 /* Asynchronous audit record. NOT A REQUEST. */ 104 105 /* Rule flags */ 106 #define AUDIT_FILTER_USER 0x00 /* Apply rule to user-generated messages */ 107 #define AUDIT_FILTER_TASK 0x01 /* Apply rule at task creation (not syscall) */ 108 #define AUDIT_FILTER_ENTRY 0x02 /* Apply rule at syscall entry */ 109 #define AUDIT_FILTER_WATCH 0x03 /* Apply rule to file system watches */ 110 #define AUDIT_FILTER_EXIT 0x04 /* Apply rule at syscall exit */ 111 #define AUDIT_FILTER_TYPE 0x05 /* Apply rule at audit_log_start */ 112 113 #define AUDIT_NR_FILTERS 6 114 115 #define AUDIT_FILTER_PREPEND 0x10 /* Prepend to front of list */ 116 117 /* Rule actions */ 118 #define AUDIT_NEVER 0 /* Do not build context if rule matches */ 119 #define AUDIT_POSSIBLE 1 /* Build context if rule matches */ 120 #define AUDIT_ALWAYS 2 /* Generate audit record if rule matches */ 121 122 /* Rule structure sizes -- if these change, different AUDIT_ADD and 123 * AUDIT_LIST commands must be implemented. */ 124 #define AUDIT_MAX_FIELDS 64 125 #define AUDIT_BITMASK_SIZE 64 126 #define AUDIT_WORD(nr) ((__u32)((nr)/32)) 127 #define AUDIT_BIT(nr) (1 << ((nr) - AUDIT_WORD(nr)*32)) 128 129 /* This bitmask is used to validate user input. It represents all bits that 130 * are currently used in an audit field constant understood by the kernel. 131 * If you are adding a new #define AUDIT_<whatever>, please ensure that 132 * AUDIT_UNUSED_BITS is updated if need be. */ 133 #define AUDIT_UNUSED_BITS 0x0FFFFC00 134 135 136 /* Rule fields */ 137 /* These are useful when checking the 138 * task structure at task creation time 139 * (AUDIT_PER_TASK). */ 140 #define AUDIT_PID 0 141 #define AUDIT_UID 1 142 #define AUDIT_EUID 2 143 #define AUDIT_SUID 3 144 #define AUDIT_FSUID 4 145 #define AUDIT_GID 5 146 #define AUDIT_EGID 6 147 #define AUDIT_SGID 7 148 #define AUDIT_FSGID 8 149 #define AUDIT_LOGINUID 9 150 #define AUDIT_PERS 10 151 #define AUDIT_ARCH 11 152 #define AUDIT_MSGTYPE 12 153 #define AUDIT_SE_USER 13 /* security label user */ 154 #define AUDIT_SE_ROLE 14 /* security label role */ 155 #define AUDIT_SE_TYPE 15 /* security label type */ 156 #define AUDIT_SE_SEN 16 /* security label sensitivity label */ 157 #define AUDIT_SE_CLR 17 /* security label clearance label */ 158 #define AUDIT_PPID 18 159 160 /* These are ONLY useful when checking 161 * at syscall exit time (AUDIT_AT_EXIT). */ 162 #define AUDIT_DEVMAJOR 100 163 #define AUDIT_DEVMINOR 101 164 #define AUDIT_INODE 102 165 #define AUDIT_EXIT 103 166 #define AUDIT_SUCCESS 104 /* exit >= 0; value ignored */ 167 #define AUDIT_WATCH 105 168 169 #define AUDIT_ARG0 200 170 #define AUDIT_ARG1 (AUDIT_ARG0+1) 171 #define AUDIT_ARG2 (AUDIT_ARG0+2) 172 #define AUDIT_ARG3 (AUDIT_ARG0+3) 173 174 #define AUDIT_NEGATE 0x80000000 175 176 /* These are the supported operators. 177 * 4 2 1 178 * = > < 179 * ------- 180 * 0 0 0 0 nonsense 181 * 0 0 1 1 < 182 * 0 1 0 2 > 183 * 0 1 1 3 != 184 * 1 0 0 4 = 185 * 1 0 1 5 <= 186 * 1 1 0 6 >= 187 * 1 1 1 7 all operators 188 */ 189 #define AUDIT_LESS_THAN 0x10000000 190 #define AUDIT_GREATER_THAN 0x20000000 191 #define AUDIT_NOT_EQUAL 0x30000000 192 #define AUDIT_EQUAL 0x40000000 193 #define AUDIT_LESS_THAN_OR_EQUAL (AUDIT_LESS_THAN|AUDIT_EQUAL) 194 #define AUDIT_GREATER_THAN_OR_EQUAL (AUDIT_GREATER_THAN|AUDIT_EQUAL) 195 #define AUDIT_OPERATORS (AUDIT_EQUAL|AUDIT_NOT_EQUAL) 196 197 /* Status symbols */ 198 /* Mask values */ 199 #define AUDIT_STATUS_ENABLED 0x0001 200 #define AUDIT_STATUS_FAILURE 0x0002 201 #define AUDIT_STATUS_PID 0x0004 202 #define AUDIT_STATUS_RATE_LIMIT 0x0008 203 #define AUDIT_STATUS_BACKLOG_LIMIT 0x0010 204 /* Failure-to-log actions */ 205 #define AUDIT_FAIL_SILENT 0 206 #define AUDIT_FAIL_PRINTK 1 207 #define AUDIT_FAIL_PANIC 2 208 209 /* distinguish syscall tables */ 210 #define __AUDIT_ARCH_64BIT 0x80000000 211 #define __AUDIT_ARCH_LE 0x40000000 212 #define AUDIT_ARCH_ALPHA (EM_ALPHA|__AUDIT_ARCH_64BIT|__AUDIT_ARCH_LE) 213 #define AUDIT_ARCH_ARM (EM_ARM|__AUDIT_ARCH_LE) 214 #define AUDIT_ARCH_ARMEB (EM_ARM) 215 #define AUDIT_ARCH_CRIS (EM_CRIS|__AUDIT_ARCH_LE) 216 #define AUDIT_ARCH_FRV (EM_FRV) 217 #define AUDIT_ARCH_H8300 (EM_H8_300) 218 #define AUDIT_ARCH_I386 (EM_386|__AUDIT_ARCH_LE) 219 #define AUDIT_ARCH_IA64 (EM_IA_64|__AUDIT_ARCH_64BIT|__AUDIT_ARCH_LE) 220 #define AUDIT_ARCH_M32R (EM_M32R) 221 #define AUDIT_ARCH_M68K (EM_68K) 222 #define AUDIT_ARCH_MIPS (EM_MIPS) 223 #define AUDIT_ARCH_MIPSEL (EM_MIPS|__AUDIT_ARCH_LE) 224 #define AUDIT_ARCH_MIPS64 (EM_MIPS|__AUDIT_ARCH_64BIT) 225 #define AUDIT_ARCH_MIPSEL64 (EM_MIPS|__AUDIT_ARCH_64BIT|__AUDIT_ARCH_LE) 226 #define AUDIT_ARCH_PARISC (EM_PARISC) 227 #define AUDIT_ARCH_PARISC64 (EM_PARISC|__AUDIT_ARCH_64BIT) 228 #define AUDIT_ARCH_PPC (EM_PPC) 229 #define AUDIT_ARCH_PPC64 (EM_PPC64|__AUDIT_ARCH_64BIT) 230 #define AUDIT_ARCH_S390 (EM_S390) 231 #define AUDIT_ARCH_S390X (EM_S390|__AUDIT_ARCH_64BIT) 232 #define AUDIT_ARCH_SH (EM_SH) 233 #define AUDIT_ARCH_SHEL (EM_SH|__AUDIT_ARCH_LE) 234 #define AUDIT_ARCH_SH64 (EM_SH|__AUDIT_ARCH_64BIT) 235 #define AUDIT_ARCH_SHEL64 (EM_SH|__AUDIT_ARCH_64BIT|__AUDIT_ARCH_LE) 236 #define AUDIT_ARCH_SPARC (EM_SPARC) 237 #define AUDIT_ARCH_SPARC64 (EM_SPARCV9|__AUDIT_ARCH_64BIT) 238 #define AUDIT_ARCH_V850 (EM_V850|__AUDIT_ARCH_LE) 239 #define AUDIT_ARCH_X86_64 (EM_X86_64|__AUDIT_ARCH_64BIT|__AUDIT_ARCH_LE) 240 241 struct audit_status { 242 __u32 mask; /* Bit mask for valid entries */ 243 __u32 enabled; /* 1 = enabled, 0 = disabled */ 244 __u32 failure; /* Failure-to-log action */ 245 __u32 pid; /* pid of auditd process */ 246 __u32 rate_limit; /* messages rate limit (per second) */ 247 __u32 backlog_limit; /* waiting messages limit */ 248 __u32 lost; /* messages lost */ 249 __u32 backlog; /* messages waiting in queue */ 250 }; 251 252 /* audit_rule_data supports filter rules with both integer and string 253 * fields. It corresponds with AUDIT_ADD_RULE, AUDIT_DEL_RULE and 254 * AUDIT_LIST_RULES requests. 255 */ 256 struct audit_rule_data { 257 __u32 flags; /* AUDIT_PER_{TASK,CALL}, AUDIT_PREPEND */ 258 __u32 action; /* AUDIT_NEVER, AUDIT_POSSIBLE, AUDIT_ALWAYS */ 259 __u32 field_count; 260 __u32 mask[AUDIT_BITMASK_SIZE]; /* syscall(s) affected */ 261 __u32 fields[AUDIT_MAX_FIELDS]; 262 __u32 values[AUDIT_MAX_FIELDS]; 263 __u32 fieldflags[AUDIT_MAX_FIELDS]; 264 __u32 buflen; /* total length of string fields */ 265 char buf[0]; /* string fields buffer */ 266 }; 267 268 /* audit_rule is supported to maintain backward compatibility with 269 * userspace. It supports integer fields only and corresponds to 270 * AUDIT_ADD, AUDIT_DEL and AUDIT_LIST requests. 271 */ 272 struct audit_rule { /* for AUDIT_LIST, AUDIT_ADD, and AUDIT_DEL */ 273 __u32 flags; /* AUDIT_PER_{TASK,CALL}, AUDIT_PREPEND */ 274 __u32 action; /* AUDIT_NEVER, AUDIT_POSSIBLE, AUDIT_ALWAYS */ 275 __u32 field_count; 276 __u32 mask[AUDIT_BITMASK_SIZE]; 277 __u32 fields[AUDIT_MAX_FIELDS]; 278 __u32 values[AUDIT_MAX_FIELDS]; 279 }; 280 281 #ifdef __KERNEL__ 282 #include <linux/sched.h> 283 284 struct audit_sig_info { 285 uid_t uid; 286 pid_t pid; 287 char ctx[0]; 288 }; 289 290 struct audit_buffer; 291 struct audit_context; 292 struct inode; 293 struct netlink_skb_parms; 294 struct linux_binprm; 295 struct mq_attr; 296 struct mqstat; 297 298 #define AUDITSC_INVALID 0 299 #define AUDITSC_SUCCESS 1 300 #define AUDITSC_FAILURE 2 301 #define AUDITSC_RESULT(x) ( ((long)(x))<0?AUDITSC_FAILURE:AUDITSC_SUCCESS ) 302 #ifdef CONFIG_AUDITSYSCALL 303 /* These are defined in auditsc.c */ 304 /* Public API */ 305 extern int audit_alloc(struct task_struct *task); 306 extern void audit_free(struct task_struct *task); 307 extern void audit_syscall_entry(int arch, 308 int major, unsigned long a0, unsigned long a1, 309 unsigned long a2, unsigned long a3); 310 extern void audit_syscall_exit(int failed, long return_code); 311 extern void __audit_getname(const char *name); 312 extern void audit_putname(const char *name); 313 extern void __audit_inode(const char *name, const struct inode *inode); 314 extern void __audit_inode_child(const char *dname, const struct inode *inode, 315 unsigned long pino); 316 static inline void audit_getname(const char *name) 317 { 318 if (unlikely(current->audit_context)) 319 __audit_getname(name); 320 } 321 static inline void audit_inode(const char *name, const struct inode *inode) { 322 if (unlikely(current->audit_context)) 323 __audit_inode(name, inode); 324 } 325 static inline void audit_inode_child(const char *dname, 326 const struct inode *inode, 327 unsigned long pino) { 328 if (unlikely(current->audit_context)) 329 __audit_inode_child(dname, inode, pino); 330 } 331 332 /* Private API (for audit.c only) */ 333 extern unsigned int audit_serial(void); 334 extern void auditsc_get_stamp(struct audit_context *ctx, 335 struct timespec *t, unsigned int *serial); 336 extern int audit_set_loginuid(struct task_struct *task, uid_t loginuid); 337 extern uid_t audit_get_loginuid(struct audit_context *ctx); 338 extern int __audit_ipc_obj(struct kern_ipc_perm *ipcp); 339 extern int __audit_ipc_set_perm(unsigned long qbytes, uid_t uid, gid_t gid, mode_t mode); 340 extern int audit_bprm(struct linux_binprm *bprm); 341 extern int audit_socketcall(int nargs, unsigned long *args); 342 extern int audit_sockaddr(int len, void *addr); 343 extern int audit_avc_path(struct dentry *dentry, struct vfsmount *mnt); 344 extern int audit_set_macxattr(const char *name); 345 extern int __audit_mq_open(int oflag, mode_t mode, struct mq_attr __user *u_attr); 346 extern int __audit_mq_timedsend(mqd_t mqdes, size_t msg_len, unsigned int msg_prio, const struct timespec __user *u_abs_timeout); 347 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); 348 extern int __audit_mq_notify(mqd_t mqdes, const struct sigevent __user *u_notification); 349 extern int __audit_mq_getsetattr(mqd_t mqdes, struct mq_attr *mqstat); 350 351 static inline int audit_ipc_obj(struct kern_ipc_perm *ipcp) 352 { 353 if (unlikely(current->audit_context)) 354 return __audit_ipc_obj(ipcp); 355 return 0; 356 } 357 static inline int audit_ipc_set_perm(unsigned long qbytes, uid_t uid, gid_t gid, mode_t mode) 358 { 359 if (unlikely(current->audit_context)) 360 return __audit_ipc_set_perm(qbytes, uid, gid, mode); 361 return 0; 362 } 363 static inline int audit_mq_open(int oflag, mode_t mode, struct mq_attr __user *u_attr) 364 { 365 if (unlikely(current->audit_context)) 366 return __audit_mq_open(oflag, mode, u_attr); 367 return 0; 368 } 369 static inline int audit_mq_timedsend(mqd_t mqdes, size_t msg_len, unsigned int msg_prio, const struct timespec __user *u_abs_timeout) 370 { 371 if (unlikely(current->audit_context)) 372 return __audit_mq_timedsend(mqdes, msg_len, msg_prio, u_abs_timeout); 373 return 0; 374 } 375 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) 376 { 377 if (unlikely(current->audit_context)) 378 return __audit_mq_timedreceive(mqdes, msg_len, u_msg_prio, u_abs_timeout); 379 return 0; 380 } 381 static inline int audit_mq_notify(mqd_t mqdes, const struct sigevent __user *u_notification) 382 { 383 if (unlikely(current->audit_context)) 384 return __audit_mq_notify(mqdes, u_notification); 385 return 0; 386 } 387 static inline int audit_mq_getsetattr(mqd_t mqdes, struct mq_attr *mqstat) 388 { 389 if (unlikely(current->audit_context)) 390 return __audit_mq_getsetattr(mqdes, mqstat); 391 return 0; 392 } 393 #else 394 #define audit_alloc(t) ({ 0; }) 395 #define audit_free(t) do { ; } while (0) 396 #define audit_syscall_entry(ta,a,b,c,d,e) do { ; } while (0) 397 #define audit_syscall_exit(f,r) do { ; } while (0) 398 #define audit_getname(n) do { ; } while (0) 399 #define audit_putname(n) do { ; } while (0) 400 #define __audit_inode(n,i) do { ; } while (0) 401 #define __audit_inode_child(d,i,p) do { ; } while (0) 402 #define audit_inode(n,i) do { ; } while (0) 403 #define audit_inode_child(d,i,p) do { ; } while (0) 404 #define auditsc_get_stamp(c,t,s) do { BUG(); } while (0) 405 #define audit_get_loginuid(c) ({ -1; }) 406 #define audit_ipc_obj(i) ({ 0; }) 407 #define audit_ipc_set_perm(q,u,g,m) ({ 0; }) 408 #define audit_bprm(p) ({ 0; }) 409 #define audit_socketcall(n,a) ({ 0; }) 410 #define audit_sockaddr(len, addr) ({ 0; }) 411 #define audit_avc_path(dentry, mnt) ({ 0; }) 412 #define audit_set_macxattr(n) do { ; } while (0) 413 #define audit_mq_open(o,m,a) ({ 0; }) 414 #define audit_mq_timedsend(d,l,p,t) ({ 0; }) 415 #define audit_mq_timedreceive(d,l,p,t) ({ 0; }) 416 #define audit_mq_notify(d,n) ({ 0; }) 417 #define audit_mq_getsetattr(d,s) ({ 0; }) 418 #endif 419 420 #ifdef CONFIG_AUDIT 421 /* These are defined in audit.c */ 422 /* Public API */ 423 extern void audit_log(struct audit_context *ctx, gfp_t gfp_mask, 424 int type, const char *fmt, ...) 425 __attribute__((format(printf,4,5))); 426 427 extern struct audit_buffer *audit_log_start(struct audit_context *ctx, gfp_t gfp_mask, int type); 428 extern void audit_log_format(struct audit_buffer *ab, 429 const char *fmt, ...) 430 __attribute__((format(printf,2,3))); 431 extern void audit_log_end(struct audit_buffer *ab); 432 extern void audit_log_hex(struct audit_buffer *ab, 433 const unsigned char *buf, 434 size_t len); 435 extern const char * audit_log_untrustedstring(struct audit_buffer *ab, 436 const char *string); 437 extern const char * audit_log_n_untrustedstring(struct audit_buffer *ab, 438 size_t n, 439 const char *string); 440 extern void audit_log_d_path(struct audit_buffer *ab, 441 const char *prefix, 442 struct dentry *dentry, 443 struct vfsmount *vfsmnt); 444 /* Private API (for audit.c only) */ 445 extern int audit_filter_user(struct netlink_skb_parms *cb, int type); 446 extern int audit_filter_type(int type); 447 extern int audit_receive_filter(int type, int pid, int uid, int seq, 448 void *data, size_t datasz, uid_t loginuid, u32 sid); 449 #else 450 #define audit_log(c,g,t,f,...) do { ; } while (0) 451 #define audit_log_start(c,g,t) ({ NULL; }) 452 #define audit_log_vformat(b,f,a) do { ; } while (0) 453 #define audit_log_format(b,f,...) do { ; } while (0) 454 #define audit_log_end(b) do { ; } while (0) 455 #define audit_log_hex(a,b,l) do { ; } while (0) 456 #define audit_log_untrustedstring(a,s) do { ; } while (0) 457 #define audit_log_n_untrustedstring(a,n,s) do { ; } while (0) 458 #define audit_log_d_path(b,p,d,v) do { ; } while (0) 459 #endif 460 #endif 461 #endif 462