| /* audit.h -- Auditing support |
| * |
| * Copyright 2003-2004 Red Hat Inc., Durham, North Carolina. |
| * All Rights Reserved. |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 2 of the License, or |
| * (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| * |
| * Written by Rickard E. (Rik) Faith <faith@redhat.com> |
| * |
| */ |
| |
| #ifndef _LINUX_AUDIT_H_ |
| #define _LINUX_AUDIT_H_ |
| |
| #include <linux/types.h> |
| #include <linux/elf-em.h> |
| |
| /* The netlink messages for the audit system is divided into blocks: |
| * 1000 - 1099 are for commanding the audit system |
| * 1100 - 1199 user space trusted application messages |
| * 1200 - 1299 messages internal to the audit daemon |
| * 1300 - 1399 audit event messages |
| * 1400 - 1499 SE Linux use |
| * 1500 - 1599 kernel LSPP events |
| * 1600 - 1699 kernel crypto events |
| * 1700 - 1799 kernel anomaly records |
| * 1800 - 1899 kernel integrity events |
| * 1900 - 1999 future kernel use |
| * 2000 is for otherwise unclassified kernel audit messages (legacy) |
| * 2001 - 2099 unused (kernel) |
| * 2100 - 2199 user space anomaly records |
| * 2200 - 2299 user space actions taken in response to anomalies |
| * 2300 - 2399 user space generated LSPP events |
| * 2400 - 2499 user space crypto events |
| * 2500 - 2999 future user space (maybe integrity labels and related events) |
| * |
| * Messages from 1000-1199 are bi-directional. 1200-1299 & 2100 - 2999 are |
| * exclusively user space. 1300-2099 is kernel --> user space |
| * communication. |
| */ |
| #define AUDIT_GET 1000 /* Get status */ |
| #define AUDIT_SET 1001 /* Set status (enable/disable/auditd) */ |
| #define AUDIT_LIST 1002 /* List syscall rules -- deprecated */ |
| #define AUDIT_ADD 1003 /* Add syscall rule -- deprecated */ |
| #define AUDIT_DEL 1004 /* Delete syscall rule -- deprecated */ |
| #define AUDIT_USER 1005 /* Message from userspace -- deprecated */ |
| #define AUDIT_LOGIN 1006 /* Define the login id and information */ |
| #define AUDIT_WATCH_INS 1007 /* Insert file/dir watch entry */ |
| #define AUDIT_WATCH_REM 1008 /* Remove file/dir watch entry */ |
| #define AUDIT_WATCH_LIST 1009 /* List all file/dir watches */ |
| #define AUDIT_SIGNAL_INFO 1010 /* Get info about sender of signal to auditd */ |
| #define AUDIT_ADD_RULE 1011 /* Add syscall filtering rule */ |
| #define AUDIT_DEL_RULE 1012 /* Delete syscall filtering rule */ |
| #define AUDIT_LIST_RULES 1013 /* List syscall filtering rules */ |
| #define AUDIT_TRIM 1014 /* Trim junk from watched tree */ |
| #define AUDIT_MAKE_EQUIV 1015 /* Append to watched tree */ |
| #define AUDIT_TTY_GET 1016 /* Get TTY auditing status */ |
| #define AUDIT_TTY_SET 1017 /* Set TTY auditing status */ |
| |
| #define AUDIT_FIRST_USER_MSG 1100 /* Userspace messages mostly uninteresting to kernel */ |
| #define AUDIT_USER_AVC 1107 /* We filter this differently */ |
| #define AUDIT_USER_TTY 1124 /* Non-ICANON TTY input meaning */ |
| #define AUDIT_LAST_USER_MSG 1199 |
| #define AUDIT_FIRST_USER_MSG2 2100 /* More user space messages */ |
| #define AUDIT_LAST_USER_MSG2 2999 |
| |
| #define AUDIT_DAEMON_START 1200 /* Daemon startup record */ |
| #define AUDIT_DAEMON_END 1201 /* Daemon normal stop record */ |
| #define AUDIT_DAEMON_ABORT 1202 /* Daemon error stop record */ |
| #define AUDIT_DAEMON_CONFIG 1203 /* Daemon config change */ |
| |
| #define AUDIT_SYSCALL 1300 /* Syscall event */ |
| /* #define AUDIT_FS_WATCH 1301 * Deprecated */ |
| #define AUDIT_PATH 1302 /* Filename path information */ |
| #define AUDIT_IPC 1303 /* IPC record */ |
| #define AUDIT_SOCKETCALL 1304 /* sys_socketcall arguments */ |
| #define AUDIT_CONFIG_CHANGE 1305 /* Audit system configuration change */ |
| #define AUDIT_SOCKADDR 1306 /* sockaddr copied as syscall arg */ |
| #define AUDIT_CWD 1307 /* Current working directory */ |
| #define AUDIT_EXECVE 1309 /* execve arguments */ |
| #define AUDIT_IPC_SET_PERM 1311 /* IPC new permissions record type */ |
| #define AUDIT_MQ_OPEN 1312 /* POSIX MQ open record type */ |
| #define AUDIT_MQ_SENDRECV 1313 /* POSIX MQ send/receive record type */ |
| #define AUDIT_MQ_NOTIFY 1314 /* POSIX MQ notify record type */ |
| #define AUDIT_MQ_GETSETATTR 1315 /* POSIX MQ get/set attribute record type */ |
| #define AUDIT_KERNEL_OTHER 1316 /* For use by 3rd party modules */ |
| #define AUDIT_FD_PAIR 1317 /* audit record for pipe/socketpair */ |
| #define AUDIT_OBJ_PID 1318 /* ptrace target */ |
| #define AUDIT_TTY 1319 /* Input on an administrative TTY */ |
| #define AUDIT_EOE 1320 /* End of multi-record event */ |
| #define AUDIT_BPRM_FCAPS 1321 /* Information about fcaps increasing perms */ |
| #define AUDIT_CAPSET 1322 /* Record showing argument to sys_capset */ |
| #define AUDIT_MMAP 1323 /* Record showing descriptor and flags in mmap */ |
| #define AUDIT_NETFILTER_PKT 1324 /* Packets traversing netfilter chains */ |
| #define AUDIT_NETFILTER_CFG 1325 /* Netfilter chain modifications */ |
| |
| #define AUDIT_AVC 1400 /* SE Linux avc denial or grant */ |
| #define AUDIT_SELINUX_ERR 1401 /* Internal SE Linux Errors */ |
| #define AUDIT_AVC_PATH 1402 /* dentry, vfsmount pair from avc */ |
| #define AUDIT_MAC_POLICY_LOAD 1403 /* Policy file load */ |
| #define AUDIT_MAC_STATUS 1404 /* Changed enforcing,permissive,off */ |
| #define AUDIT_MAC_CONFIG_CHANGE 1405 /* Changes to booleans */ |
| #define AUDIT_MAC_UNLBL_ALLOW 1406 /* NetLabel: allow unlabeled traffic */ |
| #define AUDIT_MAC_CIPSOV4_ADD 1407 /* NetLabel: add CIPSOv4 DOI entry */ |
| #define AUDIT_MAC_CIPSOV4_DEL 1408 /* NetLabel: del CIPSOv4 DOI entry */ |
| #define AUDIT_MAC_MAP_ADD 1409 /* NetLabel: add LSM domain mapping */ |
| #define AUDIT_MAC_MAP_DEL 1410 /* NetLabel: del LSM domain mapping */ |
| #define AUDIT_MAC_IPSEC_ADDSA 1411 /* Not used */ |
| #define AUDIT_MAC_IPSEC_DELSA 1412 /* Not used */ |
| #define AUDIT_MAC_IPSEC_ADDSPD 1413 /* Not used */ |
| #define AUDIT_MAC_IPSEC_DELSPD 1414 /* Not used */ |
| #define AUDIT_MAC_IPSEC_EVENT 1415 /* Audit an IPSec event */ |
| #define AUDIT_MAC_UNLBL_STCADD 1416 /* NetLabel: add a static label */ |
| #define AUDIT_MAC_UNLBL_STCDEL 1417 /* NetLabel: del a static label */ |
| |
| #define AUDIT_FIRST_KERN_ANOM_MSG 1700 |
| #define AUDIT_LAST_KERN_ANOM_MSG 1799 |
| #define AUDIT_ANOM_PROMISCUOUS 1700 /* Device changed promiscuous mode */ |
| #define AUDIT_ANOM_ABEND 1701 /* Process ended abnormally */ |
| #define AUDIT_INTEGRITY_DATA 1800 /* Data integrity verification */ |
| #define AUDIT_INTEGRITY_METADATA 1801 /* Metadata integrity verification */ |
| #define AUDIT_INTEGRITY_STATUS 1802 /* Integrity enable status */ |
| #define AUDIT_INTEGRITY_HASH 1803 /* Integrity HASH type */ |
| #define AUDIT_INTEGRITY_PCR 1804 /* PCR invalidation msgs */ |
| #define AUDIT_INTEGRITY_RULE 1805 /* policy rule */ |
| |
| #define AUDIT_KERNEL 2000 /* Asynchronous audit record. NOT A REQUEST. */ |
| |
| /* Rule flags */ |
| #define AUDIT_FILTER_USER 0x00 /* Apply rule to user-generated messages */ |
| #define AUDIT_FILTER_TASK 0x01 /* Apply rule at task creation (not syscall) */ |
| #define AUDIT_FILTER_ENTRY 0x02 /* Apply rule at syscall entry */ |
| #define AUDIT_FILTER_WATCH 0x03 /* Apply rule to file system watches */ |
| #define AUDIT_FILTER_EXIT 0x04 /* Apply rule at syscall exit */ |
| #define AUDIT_FILTER_TYPE 0x05 /* Apply rule at audit_log_start */ |
| |
| #define AUDIT_NR_FILTERS 6 |
| |
| #define AUDIT_FILTER_PREPEND 0x10 /* Prepend to front of list */ |
| |
| /* Rule actions */ |
| #define AUDIT_NEVER 0 /* Do not build context if rule matches */ |
| #define AUDIT_POSSIBLE 1 /* Build context if rule matches */ |
| #define AUDIT_ALWAYS 2 /* Generate audit record if rule matches */ |
| |
| /* Rule structure sizes -- if these change, different AUDIT_ADD and |
| * AUDIT_LIST commands must be implemented. */ |
| #define AUDIT_MAX_FIELDS 64 |
| #define AUDIT_MAX_KEY_LEN 256 |
| #define AUDIT_BITMASK_SIZE 64 |
| #define AUDIT_WORD(nr) ((__u32)((nr)/32)) |
| #define AUDIT_BIT(nr) (1 << ((nr) - AUDIT_WORD(nr)*32)) |
| |
| #define AUDIT_SYSCALL_CLASSES 16 |
| #define AUDIT_CLASS_DIR_WRITE 0 |
| #define AUDIT_CLASS_DIR_WRITE_32 1 |
| #define AUDIT_CLASS_CHATTR 2 |
| #define AUDIT_CLASS_CHATTR_32 3 |
| #define AUDIT_CLASS_READ 4 |
| #define AUDIT_CLASS_READ_32 5 |
| #define AUDIT_CLASS_WRITE 6 |
| #define AUDIT_CLASS_WRITE_32 7 |
| #define AUDIT_CLASS_SIGNAL 8 |
| #define AUDIT_CLASS_SIGNAL_32 9 |
| |
| /* This bitmask is used to validate user input. It represents all bits that |
| * are currently used in an audit field constant understood by the kernel. |
| * If you are adding a new #define AUDIT_<whatever>, please ensure that |
| * AUDIT_UNUSED_BITS is updated if need be. */ |
| #define AUDIT_UNUSED_BITS 0x07FFFC00 |
| |
| |
| /* Rule fields */ |
| /* These are useful when checking the |
| * task structure at task creation time |
| * (AUDIT_PER_TASK). */ |
| #define AUDIT_PID 0 |
| #define AUDIT_UID 1 |
| #define AUDIT_EUID 2 |
| #define AUDIT_SUID 3 |
| #define AUDIT_FSUID 4 |
| #define AUDIT_GID 5 |
| #define AUDIT_EGID 6 |
| #define AUDIT_SGID 7 |
| #define AUDIT_FSGID 8 |
| #define AUDIT_LOGINUID 9 |
| #define AUDIT_PERS 10 |
| #define AUDIT_ARCH 11 |
| #define AUDIT_MSGTYPE 12 |
| #define AUDIT_SUBJ_USER 13 /* security label user */ |
| #define AUDIT_SUBJ_ROLE 14 /* security label role */ |
| #define AUDIT_SUBJ_TYPE 15 /* security label type */ |
| #define AUDIT_SUBJ_SEN 16 /* security label sensitivity label */ |
| #define AUDIT_SUBJ_CLR 17 /* security label clearance label */ |
| #define AUDIT_PPID 18 |
| #define AUDIT_OBJ_USER 19 |
| #define AUDIT_OBJ_ROLE 20 |
| #define AUDIT_OBJ_TYPE 21 |
| #define AUDIT_OBJ_LEV_LOW 22 |
| #define AUDIT_OBJ_LEV_HIGH 23 |
| |
| /* These are ONLY useful when checking |
| * at syscall exit time (AUDIT_AT_EXIT). */ |
| #define AUDIT_DEVMAJOR 100 |
| #define AUDIT_DEVMINOR 101 |
| #define AUDIT_INODE 102 |
| #define AUDIT_EXIT 103 |
| #define AUDIT_SUCCESS 104 /* exit >= 0; value ignored */ |
| #define AUDIT_WATCH 105 |
| #define AUDIT_PERM 106 |
| #define AUDIT_DIR 107 |
| #define AUDIT_FILETYPE 108 |
| |
| #define AUDIT_ARG0 200 |
| #define AUDIT_ARG1 (AUDIT_ARG0+1) |
| #define AUDIT_ARG2 (AUDIT_ARG0+2) |
| #define AUDIT_ARG3 (AUDIT_ARG0+3) |
| |
| #define AUDIT_FILTERKEY 210 |
| |
| #define AUDIT_NEGATE 0x80000000 |
| |
| /* These are the supported operators. |
| * 4 2 1 8 |
| * = > < ? |
| * ---------- |
| * 0 0 0 0 00 nonsense |
| * 0 0 0 1 08 & bit mask |
| * 0 0 1 0 10 < |
| * 0 1 0 0 20 > |
| * 0 1 1 0 30 != |
| * 1 0 0 0 40 = |
| * 1 0 0 1 48 &= bit test |
| * 1 0 1 0 50 <= |
| * 1 1 0 0 60 >= |
| * 1 1 1 1 78 all operators |
| */ |
| #define AUDIT_BIT_MASK 0x08000000 |
| #define AUDIT_LESS_THAN 0x10000000 |
| #define AUDIT_GREATER_THAN 0x20000000 |
| #define AUDIT_NOT_EQUAL 0x30000000 |
| #define AUDIT_EQUAL 0x40000000 |
| #define AUDIT_BIT_TEST (AUDIT_BIT_MASK|AUDIT_EQUAL) |
| #define AUDIT_LESS_THAN_OR_EQUAL (AUDIT_LESS_THAN|AUDIT_EQUAL) |
| #define AUDIT_GREATER_THAN_OR_EQUAL (AUDIT_GREATER_THAN|AUDIT_EQUAL) |
| #define AUDIT_OPERATORS (AUDIT_EQUAL|AUDIT_NOT_EQUAL|AUDIT_BIT_MASK) |
| |
| enum { |
| Audit_equal, |
| Audit_not_equal, |
| Audit_bitmask, |
| Audit_bittest, |
| Audit_lt, |
| Audit_gt, |
| Audit_le, |
| Audit_ge, |
| Audit_bad |
| }; |
| |
| /* Status symbols */ |
| /* Mask values */ |
| #define AUDIT_STATUS_ENABLED 0x0001 |
| #define AUDIT_STATUS_FAILURE 0x0002 |
| #define AUDIT_STATUS_PID 0x0004 |
| #define AUDIT_STATUS_RATE_LIMIT 0x0008 |
| #define AUDIT_STATUS_BACKLOG_LIMIT 0x0010 |
| /* Failure-to-log actions */ |
| #define AUDIT_FAIL_SILENT 0 |
| #define AUDIT_FAIL_PRINTK 1 |
| #define AUDIT_FAIL_PANIC 2 |
| |
| /* distinguish syscall tables */ |
| #define __AUDIT_ARCH_64BIT 0x80000000 |
| #define __AUDIT_ARCH_LE 0x40000000 |
| #define AUDIT_ARCH_ALPHA (EM_ALPHA|__AUDIT_ARCH_64BIT|__AUDIT_ARCH_LE) |
| #define AUDIT_ARCH_ARM (EM_ARM|__AUDIT_ARCH_LE) |
| #define AUDIT_ARCH_ARMEB (EM_ARM) |
| #define AUDIT_ARCH_CRIS (EM_CRIS|__AUDIT_ARCH_LE) |
| #define AUDIT_ARCH_FRV (EM_FRV) |
| #define AUDIT_ARCH_H8300 (EM_H8_300) |
| #define AUDIT_ARCH_I386 (EM_386|__AUDIT_ARCH_LE) |
| #define AUDIT_ARCH_IA64 (EM_IA_64|__AUDIT_ARCH_64BIT|__AUDIT_ARCH_LE) |
| #define AUDIT_ARCH_M32R (EM_M32R) |
| #define AUDIT_ARCH_M68K (EM_68K) |
| #define AUDIT_ARCH_MIPS (EM_MIPS) |
| #define AUDIT_ARCH_MIPSEL (EM_MIPS|__AUDIT_ARCH_LE) |
| #define AUDIT_ARCH_MIPS64 (EM_MIPS|__AUDIT_ARCH_64BIT) |
| #define AUDIT_ARCH_MIPSEL64 (EM_MIPS|__AUDIT_ARCH_64BIT|__AUDIT_ARCH_LE) |
| #define AUDIT_ARCH_PARISC (EM_PARISC) |
| #define AUDIT_ARCH_PARISC64 (EM_PARISC|__AUDIT_ARCH_64BIT) |
| #define AUDIT_ARCH_PPC (EM_PPC) |
| #define AUDIT_ARCH_PPC64 (EM_PPC64|__AUDIT_ARCH_64BIT) |
| #define AUDIT_ARCH_S390 (EM_S390) |
| #define AUDIT_ARCH_S390X (EM_S390|__AUDIT_ARCH_64BIT) |
| #define AUDIT_ARCH_SH (EM_SH) |
| #define AUDIT_ARCH_SHEL (EM_SH|__AUDIT_ARCH_LE) |
| #define AUDIT_ARCH_SH64 (EM_SH|__AUDIT_ARCH_64BIT) |
| #define AUDIT_ARCH_SHEL64 (EM_SH|__AUDIT_ARCH_64BIT|__AUDIT_ARCH_LE) |
| #define AUDIT_ARCH_SPARC (EM_SPARC) |
| #define AUDIT_ARCH_SPARC64 (EM_SPARCV9|__AUDIT_ARCH_64BIT) |
| #define AUDIT_ARCH_X86_64 (EM_X86_64|__AUDIT_ARCH_64BIT|__AUDIT_ARCH_LE) |
| |
| #define AUDIT_PERM_EXEC 1 |
| #define AUDIT_PERM_WRITE 2 |
| #define AUDIT_PERM_READ 4 |
| #define AUDIT_PERM_ATTR 8 |
| |
| struct audit_status { |
| __u32 mask; /* Bit mask for valid entries */ |
| __u32 enabled; /* 1 = enabled, 0 = disabled */ |
| __u32 failure; /* Failure-to-log action */ |
| __u32 pid; /* pid of auditd process */ |
| __u32 rate_limit; /* messages rate limit (per second) */ |
| __u32 backlog_limit; /* waiting messages limit */ |
| __u32 lost; /* messages lost */ |
| __u32 backlog; /* messages waiting in queue */ |
| }; |
| |
| struct audit_tty_status { |
| __u32 enabled; /* 1 = enabled, 0 = disabled */ |
| }; |
| |
| /* audit_rule_data supports filter rules with both integer and string |
| * fields. It corresponds with AUDIT_ADD_RULE, AUDIT_DEL_RULE and |
| * AUDIT_LIST_RULES requests. |
| */ |
| struct audit_rule_data { |
| __u32 flags; /* AUDIT_PER_{TASK,CALL}, AUDIT_PREPEND */ |
| __u32 action; /* AUDIT_NEVER, AUDIT_POSSIBLE, AUDIT_ALWAYS */ |
| __u32 field_count; |
| __u32 mask[AUDIT_BITMASK_SIZE]; /* syscall(s) affected */ |
| __u32 fields[AUDIT_MAX_FIELDS]; |
| __u32 values[AUDIT_MAX_FIELDS]; |
| __u32 fieldflags[AUDIT_MAX_FIELDS]; |
| __u32 buflen; /* total length of string fields */ |
| char buf[0]; /* string fields buffer */ |
| }; |
| |
| /* audit_rule is supported to maintain backward compatibility with |
| * userspace. It supports integer fields only and corresponds to |
| * AUDIT_ADD, AUDIT_DEL and AUDIT_LIST requests. |
| */ |
| struct audit_rule { /* for AUDIT_LIST, AUDIT_ADD, and AUDIT_DEL */ |
| __u32 flags; /* AUDIT_PER_{TASK,CALL}, AUDIT_PREPEND */ |
| __u32 action; /* AUDIT_NEVER, AUDIT_POSSIBLE, AUDIT_ALWAYS */ |
| __u32 field_count; |
| __u32 mask[AUDIT_BITMASK_SIZE]; |
| __u32 fields[AUDIT_MAX_FIELDS]; |
| __u32 values[AUDIT_MAX_FIELDS]; |
| }; |
| |
| #ifdef __KERNEL__ |
| #include <linux/sched.h> |
| |
| struct audit_sig_info { |
| uid_t uid; |
| pid_t pid; |
| char ctx[0]; |
| }; |
| |
| struct audit_buffer; |
| struct audit_context; |
| struct inode; |
| struct netlink_skb_parms; |
| struct path; |
| struct linux_binprm; |
| struct mq_attr; |
| struct mqstat; |
| struct audit_watch; |
| struct audit_tree; |
| |
| struct audit_krule { |
| int vers_ops; |
| u32 flags; |
| u32 listnr; |
| u32 action; |
| u32 mask[AUDIT_BITMASK_SIZE]; |
| u32 buflen; /* for data alloc on list rules */ |
| u32 field_count; |
| char *filterkey; /* ties events to rules */ |
| struct audit_field *fields; |
| struct audit_field *arch_f; /* quick access to arch field */ |
| struct audit_field *inode_f; /* quick access to an inode field */ |
| struct audit_watch *watch; /* associated watch */ |
| struct audit_tree *tree; /* associated watched tree */ |
| struct list_head rlist; /* entry in audit_{watch,tree}.rules list */ |
| struct list_head list; /* for AUDIT_LIST* purposes only */ |
| u64 prio; |
| }; |
| |
| struct audit_field { |
| u32 type; |
| u32 val; |
| u32 op; |
| char *lsm_str; |
| void *lsm_rule; |
| }; |
| |
| #define AUDITSC_INVALID 0 |
| #define AUDITSC_SUCCESS 1 |
| #define AUDITSC_FAILURE 2 |
| #define AUDITSC_RESULT(x) ( ((long)(x))<0?AUDITSC_FAILURE:AUDITSC_SUCCESS ) |
| extern int __init audit_register_class(int class, unsigned *list); |
| extern int audit_classify_syscall(int abi, unsigned syscall); |
| extern int audit_classify_arch(int arch); |
| #ifdef CONFIG_AUDITSYSCALL |
| /* These are defined in auditsc.c */ |
| /* Public API */ |
| extern void audit_finish_fork(struct task_struct *child); |
| extern int audit_alloc(struct task_struct *task); |
| extern void audit_free(struct task_struct *task); |
| extern void audit_syscall_entry(int arch, |
| int major, unsigned long a0, unsigned long a1, |
| unsigned long a2, unsigned long a3); |
| extern void audit_syscall_exit(int failed, long return_code); |
| extern void __audit_getname(const char *name); |
| extern void audit_putname(const char *name); |
| extern void __audit_inode(const char *name, const struct dentry *dentry); |
| extern void __audit_inode_child(const struct dentry *dentry, |
| const struct inode *parent); |
| extern void __audit_ptrace(struct task_struct *t); |
| |
| static inline int audit_dummy_context(void) |
| { |
| void *p = current->audit_context; |
| return !p || *(int *)p; |
| } |
| static inline void audit_getname(const char *name) |
| { |
| if (unlikely(!audit_dummy_context())) |
| __audit_getname(name); |
| } |
| static inline void audit_inode(const char *name, const struct dentry *dentry) { |
| if (unlikely(!audit_dummy_context())) |
| __audit_inode(name, dentry); |
| } |
| static inline void audit_inode_child(const struct dentry *dentry, |
| const struct inode *parent) { |
| if (unlikely(!audit_dummy_context())) |
| __audit_inode_child(dentry, parent); |
| } |
| void audit_core_dumps(long signr); |
| |
| static inline void audit_ptrace(struct task_struct *t) |
| { |
| if (unlikely(!audit_dummy_context())) |
| __audit_ptrace(t); |
| } |
| |
| /* Private API (for audit.c only) */ |
| extern unsigned int audit_serial(void); |
| extern int auditsc_get_stamp(struct audit_context *ctx, |
| struct timespec *t, unsigned int *serial); |
| extern int audit_set_loginuid(struct task_struct *task, uid_t loginuid); |
| #define audit_get_loginuid(t) ((t)->loginuid) |
| #define audit_get_sessionid(t) ((t)->sessionid) |
| extern void audit_log_task_context(struct audit_buffer *ab); |
| extern void __audit_ipc_obj(struct kern_ipc_perm *ipcp); |
| extern void __audit_ipc_set_perm(unsigned long qbytes, uid_t uid, gid_t gid, mode_t mode); |
| extern int audit_bprm(struct linux_binprm *bprm); |
| extern void audit_socketcall(int nargs, unsigned long *args); |
| extern int audit_sockaddr(int len, void *addr); |
| extern void __audit_fd_pair(int fd1, int fd2); |
| extern int audit_set_macxattr(const char *name); |
| extern void __audit_mq_open(int oflag, umode_t mode, struct mq_attr *attr); |
| extern void __audit_mq_sendrecv(mqd_t mqdes, size_t msg_len, unsigned int msg_prio, const struct timespec *abs_timeout); |
| extern void __audit_mq_notify(mqd_t mqdes, const struct sigevent *notification); |
| extern void __audit_mq_getsetattr(mqd_t mqdes, struct mq_attr *mqstat); |
| extern int __audit_log_bprm_fcaps(struct linux_binprm *bprm, |
| const struct cred *new, |
| const struct cred *old); |
| extern void __audit_log_capset(pid_t pid, const struct cred *new, const struct cred *old); |
| extern void __audit_mmap_fd(int fd, int flags); |
| |
| static inline void audit_ipc_obj(struct kern_ipc_perm *ipcp) |
| { |
| if (unlikely(!audit_dummy_context())) |
| __audit_ipc_obj(ipcp); |
| } |
| static inline void audit_fd_pair(int fd1, int fd2) |
| { |
| if (unlikely(!audit_dummy_context())) |
| __audit_fd_pair(fd1, fd2); |
| } |
| static inline void audit_ipc_set_perm(unsigned long qbytes, uid_t uid, gid_t gid, mode_t mode) |
| { |
| if (unlikely(!audit_dummy_context())) |
| __audit_ipc_set_perm(qbytes, uid, gid, mode); |
| } |
| static inline void audit_mq_open(int oflag, umode_t mode, struct mq_attr *attr) |
| { |
| if (unlikely(!audit_dummy_context())) |
| __audit_mq_open(oflag, mode, attr); |
| } |
| static inline void audit_mq_sendrecv(mqd_t mqdes, size_t msg_len, unsigned int msg_prio, const struct timespec *abs_timeout) |
| { |
| if (unlikely(!audit_dummy_context())) |
| __audit_mq_sendrecv(mqdes, msg_len, msg_prio, abs_timeout); |
| } |
| static inline void audit_mq_notify(mqd_t mqdes, const struct sigevent *notification) |
| { |
| if (unlikely(!audit_dummy_context())) |
| __audit_mq_notify(mqdes, notification); |
| } |
| static inline void audit_mq_getsetattr(mqd_t mqdes, struct mq_attr *mqstat) |
| { |
| if (unlikely(!audit_dummy_context())) |
| __audit_mq_getsetattr(mqdes, mqstat); |
| } |
| |
| static inline int audit_log_bprm_fcaps(struct linux_binprm *bprm, |
| const struct cred *new, |
| const struct cred *old) |
| { |
| if (unlikely(!audit_dummy_context())) |
| return __audit_log_bprm_fcaps(bprm, new, old); |
| return 0; |
| } |
| |
| static inline void audit_log_capset(pid_t pid, const struct cred *new, |
| const struct cred *old) |
| { |
| if (unlikely(!audit_dummy_context())) |
| __audit_log_capset(pid, new, old); |
| } |
| |
| static inline void audit_mmap_fd(int fd, int flags) |
| { |
| if (unlikely(!audit_dummy_context())) |
| __audit_mmap_fd(fd, flags); |
| } |
| |
| extern int audit_n_rules; |
| extern int audit_signals; |
| #else |
| #define audit_finish_fork(t) |
| #define audit_alloc(t) ({ 0; }) |
| #define audit_free(t) do { ; } while (0) |
| #define audit_syscall_entry(ta,a,b,c,d,e) do { ; } while (0) |
| #define audit_syscall_exit(f,r) do { ; } while (0) |
| #define audit_dummy_context() 1 |
| #define audit_getname(n) do { ; } while (0) |
| #define audit_putname(n) do { ; } while (0) |
| #define __audit_inode(n,d) do { ; } while (0) |
| #define __audit_inode_child(i,p) do { ; } while (0) |
| #define audit_inode(n,d) do { (void)(d); } while (0) |
| #define audit_inode_child(i,p) do { ; } while (0) |
| #define audit_core_dumps(i) do { ; } while (0) |
| #define auditsc_get_stamp(c,t,s) (0) |
| #define audit_get_loginuid(t) (-1) |
| #define audit_get_sessionid(t) (-1) |
| #define audit_log_task_context(b) do { ; } while (0) |
| #define audit_ipc_obj(i) ((void)0) |
| #define audit_ipc_set_perm(q,u,g,m) ((void)0) |
| #define audit_bprm(p) ({ 0; }) |
| #define audit_socketcall(n,a) ((void)0) |
| #define audit_fd_pair(n,a) ((void)0) |
| #define audit_sockaddr(len, addr) ({ 0; }) |
| #define audit_set_macxattr(n) do { ; } while (0) |
| #define audit_mq_open(o,m,a) ((void)0) |
| #define audit_mq_sendrecv(d,l,p,t) ((void)0) |
| #define audit_mq_notify(d,n) ((void)0) |
| #define audit_mq_getsetattr(d,s) ((void)0) |
| #define audit_log_bprm_fcaps(b, ncr, ocr) ({ 0; }) |
| #define audit_log_capset(pid, ncr, ocr) ((void)0) |
| #define audit_mmap_fd(fd, flags) ((void)0) |
| #define audit_ptrace(t) ((void)0) |
| #define audit_n_rules 0 |
| #define audit_signals 0 |
| #endif |
| |
| #ifdef CONFIG_AUDIT |
| /* These are defined in audit.c */ |
| /* Public API */ |
| extern __printf(4, 5) |
| void audit_log(struct audit_context *ctx, gfp_t gfp_mask, int type, |
| const char *fmt, ...); |
| |
| extern struct audit_buffer *audit_log_start(struct audit_context *ctx, gfp_t gfp_mask, int type); |
| extern __printf(2, 3) |
| void audit_log_format(struct audit_buffer *ab, const char *fmt, ...); |
| extern void audit_log_end(struct audit_buffer *ab); |
| extern int audit_string_contains_control(const char *string, |
| size_t len); |
| extern void audit_log_n_hex(struct audit_buffer *ab, |
| const unsigned char *buf, |
| size_t len); |
| extern void audit_log_n_string(struct audit_buffer *ab, |
| const char *buf, |
| size_t n); |
| #define audit_log_string(a,b) audit_log_n_string(a, b, strlen(b)); |
| extern void audit_log_n_untrustedstring(struct audit_buffer *ab, |
| const char *string, |
| size_t n); |
| extern void audit_log_untrustedstring(struct audit_buffer *ab, |
| const char *string); |
| extern void audit_log_d_path(struct audit_buffer *ab, |
| const char *prefix, |
| struct path *path); |
| extern void audit_log_key(struct audit_buffer *ab, |
| char *key); |
| extern void audit_log_lost(const char *message); |
| #ifdef CONFIG_SECURITY |
| extern void audit_log_secctx(struct audit_buffer *ab, u32 secid); |
| #else |
| #define audit_log_secctx(b,s) do { ; } while (0) |
| #endif |
| |
| extern int audit_update_lsm_rules(void); |
| |
| /* Private API (for audit.c only) */ |
| extern int audit_filter_user(struct netlink_skb_parms *cb); |
| extern int audit_filter_type(int type); |
| extern int audit_receive_filter(int type, int pid, int uid, int seq, |
| void *data, size_t datasz, uid_t loginuid, |
| u32 sessionid, u32 sid); |
| extern int audit_enabled; |
| #else |
| #define audit_log(c,g,t,f,...) do { ; } while (0) |
| #define audit_log_start(c,g,t) ({ NULL; }) |
| #define audit_log_vformat(b,f,a) do { ; } while (0) |
| #define audit_log_format(b,f,...) do { ; } while (0) |
| #define audit_log_end(b) do { ; } while (0) |
| #define audit_log_n_hex(a,b,l) do { ; } while (0) |
| #define audit_log_n_string(a,c,l) do { ; } while (0) |
| #define audit_log_string(a,c) do { ; } while (0) |
| #define audit_log_n_untrustedstring(a,n,s) do { ; } while (0) |
| #define audit_log_untrustedstring(a,s) do { ; } while (0) |
| #define audit_log_d_path(b, p, d) do { ; } while (0) |
| #define audit_log_key(b, k) do { ; } while (0) |
| #define audit_log_secctx(b,s) do { ; } while (0) |
| #define audit_enabled 0 |
| #endif |
| #endif |
| #endif |