123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493494495496497498499500501502503504505506507508509510511512513514515516517518519520521522523524525526527528529530531532533534535536537538539540541542543544545546547548549550551552553554555556557558559560561562563564565566567568569570571572573574575576577578579580581582583584585586587588589590591592593594595596597598599600601602603604605606607608609610611612613614615616617618619620621622623624625626627628629630631632633634635636637638639640641642643644645646647648649650651652653654655656657658659660661662663664665666667668669670671672673674675676677678679680681682683684685686687688689690691692693694695696697698699700701702703704705706707708709710711712713714715716717718719720721722723724725726 |
- /* 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>
- #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_SECCOMP 1326 /* Secure Computing event */
- #define AUDIT_PROCTITLE 1327 /* Proctitle emit event */
- #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
- /* 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>
- 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;
- };
- 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 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 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 void __audit_seccomp(unsigned long syscall, long signr, int code);
- 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_free(struct task_struct *task)
- {
- if (unlikely(task->audit_context))
- __audit_free(task);
- }
- static inline void audit_syscall_entry(int arch, int major, unsigned long a0,
- unsigned long a1, unsigned long a2,
- unsigned long a3)
- {
- if (unlikely(current->audit_context))
- __audit_syscall_entry(arch, major, a0, a1, a2, a3);
- }
- static inline void audit_syscall_exit(void *pt_regs)
- {
- if (unlikely(current->audit_context)) {
- int success = is_syscall_success(pt_regs);
- long return_code = regs_return_value(pt_regs);
- __audit_syscall_exit(success, return_code);
- }
- }
- 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_seccomp(unsigned long syscall, long signr, int code)
- {
- if (unlikely(!audit_dummy_context()))
- __audit_seccomp(syscall, signr, code);
- }
- 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(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, umode_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 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, umode_t mode)
- {
- if (unlikely(!audit_dummy_context()))
- __audit_ipc_set_perm(qbytes, uid, gid, mode);
- }
- static inline int audit_bprm(struct linux_binprm *bprm)
- {
- if (unlikely(!audit_dummy_context()))
- return __audit_bprm(bprm);
- return 0;
- }
- static inline void audit_socketcall(int nargs, unsigned long *args)
- {
- if (unlikely(!audit_dummy_context()))
- __audit_socketcall(nargs, args);
- }
- static inline int audit_sockaddr(int len, void *addr)
- {
- if (unlikely(!audit_dummy_context()))
- return __audit_sockaddr(len, addr);
- return 0;
- }
- 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 /* 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) (-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_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 /* CONFIG_AUDITSYSCALL */
- #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,
- const 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
|