diff options
Diffstat (limited to 'include/linux/audit.h')
| -rw-r--r-- | include/linux/audit.h | 639 |
1 files changed, 196 insertions, 443 deletions
diff --git a/include/linux/audit.h b/include/linux/audit.h index e7c836d961ea..bce729afbcf9 100644 --- a/include/linux/audit.h +++ b/include/linux/audit.h @@ -20,388 +20,11 @@ * 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> -#include <linux/ptrace.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_ANOM_LINK 1702 /* Suspicious use of file links */ -#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 - -/* AUDIT_FIELD_COMPARE rule list */ -#define AUDIT_COMPARE_UID_TO_OBJ_UID 1 -#define AUDIT_COMPARE_GID_TO_OBJ_GID 2 -#define AUDIT_COMPARE_EUID_TO_OBJ_UID 3 -#define AUDIT_COMPARE_EGID_TO_OBJ_GID 4 -#define AUDIT_COMPARE_AUID_TO_OBJ_UID 5 -#define AUDIT_COMPARE_SUID_TO_OBJ_UID 6 -#define AUDIT_COMPARE_SGID_TO_OBJ_GID 7 -#define AUDIT_COMPARE_FSUID_TO_OBJ_UID 8 -#define AUDIT_COMPARE_FSGID_TO_OBJ_GID 9 - -#define AUDIT_COMPARE_UID_TO_AUID 10 -#define AUDIT_COMPARE_UID_TO_EUID 11 -#define AUDIT_COMPARE_UID_TO_FSUID 12 -#define AUDIT_COMPARE_UID_TO_SUID 13 - -#define AUDIT_COMPARE_AUID_TO_FSUID 14 -#define AUDIT_COMPARE_AUID_TO_SUID 15 -#define AUDIT_COMPARE_AUID_TO_EUID 16 - -#define AUDIT_COMPARE_EUID_TO_SUID 17 -#define AUDIT_COMPARE_EUID_TO_FSUID 18 - -#define AUDIT_COMPARE_SUID_TO_FSUID 19 - -#define AUDIT_COMPARE_GID_TO_EGID 20 -#define AUDIT_COMPARE_GID_TO_FSGID 21 -#define AUDIT_COMPARE_GID_TO_SGID 22 - -#define AUDIT_COMPARE_EGID_TO_FSGID 23 -#define AUDIT_COMPARE_EGID_TO_SGID 24 -#define AUDIT_COMPARE_SGID_TO_FSGID 25 - -#define AUDIT_MAX_FIELD_COMPARE AUDIT_COMPARE_SGID_TO_FSGID - -/* 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_OBJ_UID 109 -#define AUDIT_OBJ_GID 110 -#define AUDIT_FIELD_COMPARE 111 - -#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> +#include <uapi/linux/audit.h> struct audit_sig_info { uid_t uid; @@ -452,6 +75,16 @@ struct audit_field { 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); + +/* audit_names->type values */ +#define AUDIT_TYPE_UNKNOWN 0 /* we don't know yet */ +#define AUDIT_TYPE_NORMAL 1 /* a "normal" audit record */ +#define AUDIT_TYPE_PARENT 2 /* a parent audit record */ +#define AUDIT_TYPE_CHILD_DELETE 3 /* a child being deleted */ +#define AUDIT_TYPE_CHILD_CREATE 4 /* a child being created */ + +struct filename; + #ifdef CONFIG_AUDITSYSCALL /* These are defined in auditsc.c */ /* Public API */ @@ -461,11 +94,14 @@ 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 ret_success, long ret_value); -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 struct filename *__audit_reusename(const __user char *uptr); +extern void __audit_getname(struct filename *name); +extern void audit_putname(struct filename *name); +extern void __audit_inode(struct filename *name, const struct dentry *dentry, + unsigned int parent); +extern void __audit_inode_child(const struct inode *parent, + const struct dentry *dentry, + const unsigned char type); extern void __audit_seccomp(unsigned long syscall, long signr, int code); extern void __audit_ptrace(struct task_struct *t); @@ -495,19 +131,27 @@ static inline void audit_syscall_exit(void *pt_regs) __audit_syscall_exit(success, return_code); } } -static inline void audit_getname(const char *name) +static inline struct filename *audit_reusename(const __user char *name) +{ + if (unlikely(!audit_dummy_context())) + return __audit_reusename(name); + return NULL; +} +static inline void audit_getname(struct filename *name) { if (unlikely(!audit_dummy_context())) __audit_getname(name); } -static inline void audit_inode(const char *name, const struct dentry *dentry) { +static inline void audit_inode(struct filename *name, const struct dentry *dentry, + unsigned int parent) { if (unlikely(!audit_dummy_context())) - __audit_inode(name, dentry); + __audit_inode(name, dentry, parent); } -static inline void audit_inode_child(const struct dentry *dentry, - const struct inode *parent) { +static inline void audit_inode_child(const struct inode *parent, + const struct dentry *dentry, + const unsigned char type) { if (unlikely(!audit_dummy_context())) - __audit_inode_child(dentry, parent); + __audit_inode_child(parent, dentry, type); } void audit_core_dumps(long signr); @@ -527,9 +171,18 @@ static inline void audit_ptrace(struct task_struct *t) 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(kuid_t loginuid); -#define audit_get_loginuid(t) ((t)->loginuid) -#define audit_get_sessionid(t) ((t)->sessionid) +extern int audit_set_loginuid(kuid_t loginuid); + +static inline kuid_t audit_get_loginuid(struct task_struct *tsk) +{ + return tsk->loginuid; +} + +static inline int audit_get_sessionid(struct task_struct *tsk) +{ + return tsk->sessionid; +} + extern void audit_log_task_context(struct audit_buffer *ab); extern void audit_log_task_info(struct audit_buffer *ab, struct task_struct *tsk); extern void __audit_ipc_obj(struct kern_ipc_perm *ipcp); @@ -626,38 +279,111 @@ static inline void audit_mmap_fd(int fd, int flags) extern int audit_n_rules; extern int audit_signals; #else /* CONFIG_AUDITSYSCALL */ -#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(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 audit_seccomp(i,s,c) do { ; } while (0) -#define auditsc_get_stamp(c,t,s) (0) -#define audit_get_loginuid(t) (INVALID_UID) -#define audit_get_sessionid(t) (-1) -#define audit_log_task_context(b) do { ; } while (0) -#define audit_log_task_info(b, t) 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_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) +static inline int audit_alloc(struct task_struct *task) +{ + return 0; +} +static inline void audit_free(struct task_struct *task) +{ } +static inline void audit_syscall_entry(int arch, int major, unsigned long a0, + unsigned long a1, unsigned long a2, + unsigned long a3) +{ } +static inline void audit_syscall_exit(void *pt_regs) +{ } +static inline int audit_dummy_context(void) +{ + return 1; +} +static inline struct filename *audit_reusename(const __user char *name) +{ + return NULL; +} +static inline void audit_getname(struct filename *name) +{ } +static inline void audit_putname(struct filename *name) +{ } +static inline void __audit_inode(struct filename *name, + const struct dentry *dentry, + unsigned int parent) +{ } +static inline void __audit_inode_child(const struct inode *parent, + const struct dentry *dentry, + const unsigned char type) +{ } +static inline void audit_inode(struct filename *name, + const struct dentry *dentry, + unsigned int parent) +{ } +static inline void audit_inode_child(const struct inode *parent, + const struct dentry *dentry, + const unsigned char type) +{ } +static inline void audit_core_dumps(long signr) +{ } +static inline void __audit_seccomp(unsigned long syscall, long signr, int code) +{ } +static inline void audit_seccomp(unsigned long syscall, long signr, int code) +{ } +static inline int auditsc_get_stamp(struct audit_context *ctx, + struct timespec *t, unsigned int *serial) +{ + return 0; +} +static inline kuid_t audit_get_loginuid(struct task_struct *tsk) +{ + return INVALID_UID; +} +static inline int audit_get_sessionid(struct task_struct *tsk) +{ + return -1; +} +static inline void audit_log_task_context(struct audit_buffer *ab) +{ } +static inline void audit_log_task_info(struct audit_buffer *ab, + struct task_struct *tsk) +{ } +static inline void audit_ipc_obj(struct kern_ipc_perm *ipcp) +{ } +static inline void audit_ipc_set_perm(unsigned long qbytes, uid_t uid, + gid_t gid, umode_t mode) +{ } +static inline int audit_bprm(struct linux_binprm *bprm) +{ + return 0; +} +static inline void audit_socketcall(int nargs, unsigned long *args) +{ } +static inline void audit_fd_pair(int fd1, int fd2) +{ } +static inline int audit_sockaddr(int len, void *addr) +{ + return 0; +} +static inline void audit_mq_open(int oflag, umode_t mode, struct mq_attr *attr) +{ } +static inline void audit_mq_sendrecv(mqd_t mqdes, size_t msg_len, + unsigned int msg_prio, + const struct timespec *abs_timeout) +{ } +static inline void audit_mq_notify(mqd_t mqdes, + const struct sigevent *notification) +{ } +static inline void audit_mq_getsetattr(mqd_t mqdes, struct mq_attr *mqstat) +{ } +static inline int audit_log_bprm_fcaps(struct linux_binprm *bprm, + const struct cred *new, + const struct cred *old) +{ + return 0; +} +static inline void audit_log_capset(pid_t pid, const struct cred *new, + const struct cred *old) +{ } +static inline void audit_mmap_fd(int fd, int flags) +{ } +static inline void audit_ptrace(struct task_struct *t) +{ } #define audit_n_rules 0 #define audit_signals 0 #endif /* CONFIG_AUDITSYSCALL */ @@ -681,7 +407,6 @@ extern void audit_log_n_hex(struct audit_buffer *ab, 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); @@ -698,7 +423,8 @@ 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) +static inline void audit_log_secctx(struct audit_buffer *ab, u32 secid) +{ } #endif extern int audit_update_lsm_rules(void); @@ -710,22 +436,49 @@ extern int audit_receive_filter(int type, int pid, int seq, void *data, size_t datasz, kuid_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_link_denied(o, l) do { ; } while (0) -#define audit_log_secctx(b,s) do { ; } while (0) +#else /* CONFIG_AUDIT */ +static inline __printf(4, 5) +void audit_log(struct audit_context *ctx, gfp_t gfp_mask, int type, + const char *fmt, ...) +{ } +static inline struct audit_buffer *audit_log_start(struct audit_context *ctx, + gfp_t gfp_mask, int type) +{ + return NULL; +} +static inline __printf(2, 3) +void audit_log_format(struct audit_buffer *ab, const char *fmt, ...) +{ } +static inline void audit_log_end(struct audit_buffer *ab) +{ } +static inline void audit_log_n_hex(struct audit_buffer *ab, + const unsigned char *buf, size_t len) +{ } +static inline void audit_log_n_string(struct audit_buffer *ab, + const char *buf, size_t n) +{ } +static inline void audit_log_n_untrustedstring(struct audit_buffer *ab, + const char *string, size_t n) +{ } +static inline void audit_log_untrustedstring(struct audit_buffer *ab, + const char *string) +{ } +static inline void audit_log_d_path(struct audit_buffer *ab, + const char *prefix, + const struct path *path) +{ } +static inline void audit_log_key(struct audit_buffer *ab, char *key) +{ } +static inline void audit_log_link_denied(const char *string, + const struct path *link) +{ } +static inline void audit_log_secctx(struct audit_buffer *ab, u32 secid) +{ } #define audit_enabled 0 -#endif -#endif +#endif /* CONFIG_AUDIT */ +static inline void audit_log_string(struct audit_buffer *ab, const char *buf) +{ + audit_log_n_string(ab, buf, strlen(buf)); +} + #endif |