X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/3903760236c30e3b5ace7a4eefac3a269d68957c..94ff46dc2849db4d43eaaf144872decc522aafb4:/bsd/security/audit/audit.h diff --git a/bsd/security/audit/audit.h b/bsd/security/audit/audit.h index 67803a185..903099074 100644 --- a/bsd/security/audit/audit.h +++ b/bsd/security/audit/audit.h @@ -1,5 +1,5 @@ /*- - * Copyright (c) 2004-2016 Apple Inc. + * Copyright (c) 2004-2019 Apple Inc. * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -40,15 +40,10 @@ */ #ifndef _SECURITY_AUDIT_AUDIT_H -#define _SECURITY_AUDIT_AUDIT_H +#define _SECURITY_AUDIT_AUDIT_H #if defined(_KERNEL) || defined(KERNEL) -#if CONFIG_MACF -#include -#include -#endif - #include #include @@ -65,9 +60,9 @@ * performance so an event class map table lookup doesn't have be done for * every system call if only user events are being audited. */ -extern int audit_enabled; -extern int audit_suspended; -extern int audit_syscalls; +extern int audit_enabled; +extern int audit_suspended; +extern int audit_syscalls; /* * Define the masks for the audited arguments. @@ -77,66 +72,67 @@ extern int audit_syscalls; * vnode is being logged. These should move to audit_private.h when that is * fixed. */ -#define ARG_EUID 0x0000000000000001ULL -#define ARG_RUID 0x0000000000000002ULL -#define ARG_SUID 0x0000000000000004ULL -#define ARG_EGID 0x0000000000000008ULL -#define ARG_RGID 0x0000000000000010ULL -#define ARG_SGID 0x0000000000000020ULL -#define ARG_PID 0x0000000000000040ULL -#define ARG_UID 0x0000000000000080ULL -#define ARG_AUID 0x0000000000000100ULL -#define ARG_GID 0x0000000000000200ULL -#define ARG_FD 0x0000000000000400ULL -#define ARG_FD1 ARG_FD -#define ARG_POSIX_IPC_PERM 0x0000000000000800ULL -#define ARG_FFLAGS 0x0000000000001000ULL -#define ARG_MODE 0x0000000000002000ULL -#define ARG_VALUE32 0x0000000000004000ULL -#define ARG_ADDR32 0x0000000000008000ULL -#define ARG_ADDR ARG_ADDR32 -#define ARG_LEN 0x0000000000010000ULL -#define ARG_MASK 0x0000000000020000ULL -#define ARG_SIGNUM 0x0000000000040000ULL -#define ARG_LOGIN 0x0000000000080000ULL -#define ARG_SADDRINET 0x0000000000100000ULL -#define ARG_SADDRINET6 0x0000000000200000ULL -#define ARG_SADDRUNIX 0x0000000000400000ULL -#define ARG_TERMID_ADDR ARG_SADDRUNIX -#define ARG_KPATH1 0x0000000000800000ULL /* darwin-only */ -#define ARG_KPATH2 0x0000000001000000ULL /* darwin-only */ -#define ARG_UPATH1 0x0000000002000000ULL -#define ARG_UPATH2 0x0000000004000000ULL -#define ARG_TEXT 0x0000000008000000ULL -#define ARG_VNODE1 0x0000000010000000ULL -#define ARG_VNODE2 0x0000000020000000ULL -#define ARG_SVIPC_CMD 0x0000000040000000ULL -#define ARG_SVIPC_PERM 0x0000000080000000ULL -#define ARG_SVIPC_ID 0x0000000100000000ULL -#define ARG_SVIPC_ADDR 0x0000000200000000ULL -#define ARG_GROUPSET 0x0000000400000000ULL -#define ARG_CMD 0x0000000800000000ULL -#define ARG_SOCKINFO 0x0000001000000000ULL -#define ARG_ASID 0x0000002000000000ULL -#define ARG_TERMID 0x0000004000000000ULL -#define ARG_AUDITON 0x0000008000000000ULL -#define ARG_VALUE64 0x0000010000000000ULL /* darwin-only */ -#define ARG_AMASK 0x0000020000000000ULL -#define ARG_CTLNAME 0x0000040000000000ULL -#define ARG_PROCESS 0x0000080000000000ULL -#define ARG_MACHPORT1 0x0000100000000000ULL -#define ARG_MACHPORT2 0x0000200000000000ULL -#define ARG_MAC_STRING 0x0000400000000000ULL -#define ARG_EXIT 0x0000800000000000ULL -#define ARG_IOVECSTR 0x0001000000000000ULL -#define ARG_ARGV 0x0002000000000000ULL -#define ARG_ENVV 0x0004000000000000ULL -#define ARG_OPAQUE 0x0008000000000000ULL /* darwin-only */ -#define ARG_DATA 0x0010000000000000ULL /* darwin-only */ -#define ARG_ADDR64 0x0020000000000000ULL /* darwin-only */ -#define ARG_FD2 0x0040000000000000ULL /* darwin-only */ -#define ARG_NONE 0x0000000000000000ULL -#define ARG_ALL 0xFFFFFFFFFFFFFFFFULL +#define ARG_EUID 0x0000000000000001ULL +#define ARG_RUID 0x0000000000000002ULL +#define ARG_SUID 0x0000000000000004ULL +#define ARG_EGID 0x0000000000000008ULL +#define ARG_RGID 0x0000000000000010ULL +#define ARG_SGID 0x0000000000000020ULL +#define ARG_PID 0x0000000000000040ULL +#define ARG_UID 0x0000000000000080ULL +#define ARG_AUID 0x0000000000000100ULL +#define ARG_GID 0x0000000000000200ULL +#define ARG_FD 0x0000000000000400ULL +#define ARG_FD1 ARG_FD +#define ARG_POSIX_IPC_PERM 0x0000000000000800ULL +#define ARG_FFLAGS 0x0000000000001000ULL +#define ARG_MODE 0x0000000000002000ULL +#define ARG_VALUE32 0x0000000000004000ULL +#define ARG_ADDR32 0x0000000000008000ULL +#define ARG_ADDR ARG_ADDR32 +#define ARG_LEN 0x0000000000010000ULL +#define ARG_MASK 0x0000000000020000ULL +#define ARG_SIGNUM 0x0000000000040000ULL +#define ARG_LOGIN 0x0000000000080000ULL +#define ARG_SADDRINET 0x0000000000100000ULL +#define ARG_SADDRINET6 0x0000000000200000ULL +#define ARG_SADDRUNIX 0x0000000000400000ULL +#define ARG_TERMID_ADDR ARG_SADDRUNIX +#define ARG_KPATH1 0x0000000000800000ULL /* darwin-only */ +#define ARG_KPATH2 0x0000000001000000ULL /* darwin-only */ +#define ARG_UPATH1 0x0000000002000000ULL +#define ARG_UPATH2 0x0000000004000000ULL +#define ARG_TEXT 0x0000000008000000ULL +#define ARG_VNODE1 0x0000000010000000ULL +#define ARG_VNODE2 0x0000000020000000ULL +#define ARG_SVIPC_CMD 0x0000000040000000ULL +#define ARG_SVIPC_PERM 0x0000000080000000ULL +#define ARG_SVIPC_ID 0x0000000100000000ULL +#define ARG_SVIPC_ADDR 0x0000000200000000ULL +#define ARG_GROUPSET 0x0000000400000000ULL +#define ARG_CMD 0x0000000800000000ULL +#define ARG_SOCKINFO 0x0000001000000000ULL +#define ARG_ASID 0x0000002000000000ULL +#define ARG_TERMID 0x0000004000000000ULL +#define ARG_AUDITON 0x0000008000000000ULL +#define ARG_VALUE64 0x0000010000000000ULL /* darwin-only */ +#define ARG_AMASK 0x0000020000000000ULL +#define ARG_CTLNAME 0x0000040000000000ULL +#define ARG_PROCESS 0x0000080000000000ULL +#define ARG_MACHPORT1 0x0000100000000000ULL +#define ARG_MACHPORT2 0x0000200000000000ULL +#define ARG_MAC_STRING 0x0000400000000000ULL +#define ARG_EXIT 0x0000800000000000ULL +#define ARG_IOVECSTR 0x0001000000000000ULL +#define ARG_ARGV 0x0002000000000000ULL +#define ARG_ENVV 0x0004000000000000ULL +#define ARG_OPAQUE 0x0008000000000000ULL /* darwin-only */ +#define ARG_DATA 0x0010000000000000ULL /* darwin-only */ +#define ARG_ADDR64 0x0020000000000000ULL /* darwin-only */ +#define ARG_FD2 0x0040000000000000ULL /* darwin-only */ +#define ARG_IDENTITY 0x0080000000000000ULL /* darwin-only */ +#define ARG_NONE 0x0000000000000000ULL +#define ARG_ALL 0xFFFFFFFFFFFFFFFFULL #if CONFIG_MACF @@ -145,10 +141,10 @@ extern int audit_syscalls; #define MAC_AUDIT_TEXT_TYPE 1 struct mac_audit_record { - int type; /* one of the types defined above */ - int length; /* byte length of the data field */ - u_char *data; /* the payload */ - LIST_ENTRY(mac_audit_record) records; + int type; /* one of the types defined above */ + int length; /* byte length of the data field */ + u_char *data; /* the payload */ + LIST_ENTRY(mac_audit_record) records; }; #endif @@ -157,24 +153,29 @@ struct proc; struct vnode; struct componentname; -int kau_will_audit(void); -void audit_init(void); -void audit_shutdown(void); -void audit_syscall_enter(unsigned int code, - struct proc *proc, struct uthread *uthread); +int kau_will_audit(void); +void audit_init(void); +void audit_shutdown(void); +void audit_syscall_enter(unsigned int code, + struct proc *proc, struct uthread *uthread); #if CONFIG_MACF /* * The parameter list of audit_syscall_exit() was modified to also take the * Darwin syscall number, which is required by mac_audit_check_postselect(). */ -void audit_syscall_exit(unsigned int code, int error, - struct proc *proc, struct uthread *uthread); +void audit_syscall_exit(unsigned int code, int error, + struct proc *proc, struct uthread *uthread); #else -void audit_syscall_exit(int error, struct proc *proc, - struct uthread *uthread); +void audit_syscall_exit(int error, struct proc *proc, + struct uthread *uthread); #endif -void audit_mach_syscall_enter(unsigned short audit_event); -void audit_mach_syscall_exit(int retval, struct uthread *uthread); +void audit_mach_syscall_enter(unsigned short audit_event); +void audit_mach_syscall_exit(int retval, struct uthread *uthread); + +void audit_subcall_enter(au_event_t event, + struct proc *proc, struct uthread *uthread); +void audit_subcall_exit(int error, + struct uthread *uthread); extern struct auditinfo_addr *audit_default_aia_p; @@ -187,239 +188,260 @@ extern struct auditinfo_addr *audit_default_aia_p; struct ipc_perm; struct sockaddr; union auditon_udata; -void audit_arg_addr(struct kaudit_record *ar, user_addr_t addr); -void audit_arg_exit(struct kaudit_record *ar, int status, int retval); -void audit_arg_len(struct kaudit_record *ar, user_size_t len); -void audit_arg_fd(struct kaudit_record *ar, int fd); -void audit_arg_fd2(struct kaudit_record *ar, int fd); -void audit_arg_fflags(struct kaudit_record *ar, int fflags); -void audit_arg_gid(struct kaudit_record *ar, gid_t gid); -void audit_arg_uid(struct kaudit_record *ar, uid_t uid); -void audit_arg_egid(struct kaudit_record *ar, gid_t egid); -void audit_arg_euid(struct kaudit_record *ar, uid_t euid); -void audit_arg_rgid(struct kaudit_record *ar, gid_t rgid); -void audit_arg_ruid(struct kaudit_record *ar, uid_t ruid); -void audit_arg_sgid(struct kaudit_record *ar, gid_t sgid); -void audit_arg_suid(struct kaudit_record *ar, uid_t suid); -void audit_arg_groupset(struct kaudit_record *ar, gid_t *gidset, - u_int gidset_size); -void audit_arg_login(struct kaudit_record *ar, char *login); -void audit_arg_ctlname(struct kaudit_record *ar, int *name, int namelen); -void audit_arg_mask(struct kaudit_record *ar, int mask); -void audit_arg_mode(struct kaudit_record *ar, mode_t mode); -void audit_arg_value32(struct kaudit_record *ar, uint32_t value32); -void audit_arg_value64(struct kaudit_record *ar, uint64_t value64); -void audit_arg_owner(struct kaudit_record *ar, uid_t uid, gid_t gid); -void audit_arg_pid(struct kaudit_record *ar, pid_t pid); -void audit_arg_process(struct kaudit_record *ar, proc_t p); -void audit_arg_signum(struct kaudit_record *ar, u_int signum); -void audit_arg_socket(struct kaudit_record *ar, int sodomain, int sotype, - int soprotocol); -void audit_arg_sockaddr(struct kaudit_record *ar, struct vnode *cwd_vp, - struct sockaddr *so); -void audit_arg_auid(struct kaudit_record *ar, uid_t auid); -void audit_arg_auditinfo(struct kaudit_record *ar, - struct auditinfo *au_info); -void audit_arg_auditinfo_addr(struct kaudit_record *ar, - struct auditinfo_addr *au_info); -void audit_arg_upath(struct kaudit_record *ar, struct vnode *cwd_vp, - char *upath, u_int64_t flags); -void audit_arg_vnpath(struct kaudit_record *ar, struct vnode *vp, - u_int64_t flags); -void audit_arg_vnpath_withref(struct kaudit_record *ar, struct vnode *vp, - u_int64_t flags); -void audit_arg_text(struct kaudit_record *ar, char *text); -void audit_arg_opaque(struct kaudit_record *ar, void *data, size_t size); -void audit_arg_data(struct kaudit_record *ar, void *data, size_t size, - size_t number); -void audit_arg_cmd(struct kaudit_record *ar, int cmd); -void audit_arg_svipc_cmd(struct kaudit_record *ar, int cmd); -void audit_arg_svipc_perm(struct kaudit_record *ar, struct ipc_perm *perm); -void audit_arg_svipc_id(struct kaudit_record *ar, int id); -void audit_arg_svipc_addr(struct kaudit_record *ar, user_addr_t addr); -void audit_arg_posix_ipc_perm(struct kaudit_record *ar, uid_t uid, - gid_t gid, mode_t mode); -void audit_arg_auditon(struct kaudit_record *ar, - union auditon_udata *udata); -void audit_arg_file(struct kaudit_record *ar, struct proc *p, - struct fileproc *fp); -void audit_arg_argv(struct kaudit_record *ar, char *argv, int argc, - int length); -void audit_arg_envv(struct kaudit_record *ar, char *envv, int envc, - int length); - -void audit_arg_mach_port1(struct kaudit_record *ar, mach_port_name_t port); -void audit_arg_mach_port2(struct kaudit_record *ar, mach_port_name_t port); -void audit_sysclose(struct kaudit_record *ar, struct proc *p, int fd); +void audit_arg_addr(struct kaudit_record *ar, user_addr_t addr); +void audit_arg_exit(struct kaudit_record *ar, int status, int retval); +void audit_arg_len(struct kaudit_record *ar, user_size_t len); +void audit_arg_fd(struct kaudit_record *ar, int fd); +void audit_arg_fd2(struct kaudit_record *ar, int fd); +void audit_arg_fflags(struct kaudit_record *ar, int fflags); +void audit_arg_gid(struct kaudit_record *ar, gid_t gid); +void audit_arg_uid(struct kaudit_record *ar, uid_t uid); +void audit_arg_egid(struct kaudit_record *ar, gid_t egid); +void audit_arg_euid(struct kaudit_record *ar, uid_t euid); +void audit_arg_rgid(struct kaudit_record *ar, gid_t rgid); +void audit_arg_ruid(struct kaudit_record *ar, uid_t ruid); +void audit_arg_sgid(struct kaudit_record *ar, gid_t sgid); +void audit_arg_suid(struct kaudit_record *ar, uid_t suid); +void audit_arg_groupset(struct kaudit_record *ar, gid_t *gidset, + u_int gidset_size); +void audit_arg_login(struct kaudit_record *ar, char *login); +void audit_arg_ctlname(struct kaudit_record *ar, int *name, int namelen); +void audit_arg_mask(struct kaudit_record *ar, int mask); +void audit_arg_mode(struct kaudit_record *ar, mode_t mode); +void audit_arg_value32(struct kaudit_record *ar, uint32_t value32); +void audit_arg_value64(struct kaudit_record *ar, uint64_t value64); +void audit_arg_owner(struct kaudit_record *ar, uid_t uid, gid_t gid); +void audit_arg_pid(struct kaudit_record *ar, pid_t pid); +void audit_arg_process(struct kaudit_record *ar, proc_t p); +void audit_arg_signum(struct kaudit_record *ar, u_int signum); +void audit_arg_socket(struct kaudit_record *ar, int sodomain, int sotype, + int soprotocol); +void audit_arg_sockaddr(struct kaudit_record *ar, struct vnode *cwd_vp, + struct sockaddr *so); +void audit_arg_auid(struct kaudit_record *ar, uid_t auid); +void audit_arg_auditinfo(struct kaudit_record *ar, + struct auditinfo *au_info); +void audit_arg_auditinfo_addr(struct kaudit_record *ar, + struct auditinfo_addr *au_info); +void audit_arg_upath(struct kaudit_record *ar, struct vnode *cwd_vp, + char *upath, u_int64_t flags); +void audit_arg_kpath(struct kaudit_record *ar, + char *kpath, u_int64_t flags); +void audit_arg_vnpath(struct kaudit_record *ar, struct vnode *vp, + u_int64_t flags); +void audit_arg_vnpath_withref(struct kaudit_record *ar, struct vnode *vp, + u_int64_t flags); +void audit_arg_text(struct kaudit_record *ar, char *text); +void audit_arg_opaque(struct kaudit_record *ar, void *data, size_t size); +void audit_arg_data(struct kaudit_record *ar, void *data, size_t size, + size_t number); +void audit_arg_cmd(struct kaudit_record *ar, int cmd); +void audit_arg_svipc_cmd(struct kaudit_record *ar, int cmd); +void audit_arg_svipc_perm(struct kaudit_record *ar, struct ipc_perm *perm); +void audit_arg_svipc_id(struct kaudit_record *ar, int id); +void audit_arg_svipc_addr(struct kaudit_record *ar, user_addr_t addr); +void audit_arg_posix_ipc_perm(struct kaudit_record *ar, uid_t uid, + gid_t gid, mode_t mode); +void audit_arg_auditon(struct kaudit_record *ar, + union auditon_udata *udata); +void audit_arg_file(struct kaudit_record *ar, struct proc *p, + struct fileproc *fp); +void audit_arg_argv(struct kaudit_record *ar, char *argv, int argc, + int length); +void audit_arg_envv(struct kaudit_record *ar, char *envv, int envc, + int length); +void audit_arg_identity(struct kaudit_record *ar); + +void audit_arg_mach_port1(struct kaudit_record *ar, mach_port_name_t port); +void audit_arg_mach_port2(struct kaudit_record *ar, mach_port_name_t port); +void audit_sysclose(struct kaudit_record *ar, struct proc *p, int fd); void audit_proc_coredump(proc_t proc, char *path, int errcode); -void audit_proc_init(struct proc *p); -void audit_proc_fork(struct proc *parent, struct proc *child); -void audit_proc_free(struct proc *p); +void audit_proc_init(struct proc *p); +void audit_proc_fork(struct proc *parent, struct proc *child); +void audit_proc_free(struct proc *p); #ifndef _KAUTH_CRED_T -#define _KAUTH_CRED_T +#define _KAUTH_CRED_T struct ucred; typedef struct ucred *kauth_cred_t; #endif /* !_KAUTH_CRED_T */ -void audit_session_ref(kauth_cred_t cred); -void audit_session_unref(kauth_cred_t cred); -void audit_session_procnew(proc_t p); -void audit_session_procexit(proc_t p); -int audit_session_spawnjoin(proc_t p, ipc_port_t port); +void audit_session_ref(kauth_cred_t cred); +void audit_session_unref(kauth_cred_t cred); +void audit_session_procnew(proc_t p); +void audit_session_procexit(proc_t p); +int audit_session_spawnjoin(proc_t p, task_t task, ipc_port_t port); -void audit_sdev_submit(au_id_t auid, au_asid_t asid, void *record, - u_int record_len); +void audit_sdev_submit(au_id_t auid, au_asid_t asid, void *record, + u_int record_len); /* - * Audit session macros. + * Audit session macros. */ -#define IS_VALID_SESSION(a) ((a) != NULL && (a) != audit_default_aia_p) +#define IS_VALID_SESSION(a) ((a) != NULL && (a) != audit_default_aia_p) -#define AUDIT_SESSION_REF(cred) audit_session_ref(cred) -#define AUDIT_SESSION_UNREF(cred) audit_session_unref(cred) +#define AUDIT_SESSION_REF(cred) audit_session_ref(cred) +#define AUDIT_SESSION_UNREF(cred) audit_session_unref(cred) -#define AUDIT_SESSION_PROCNEW(p) audit_session_procnew(p) -#define AUDIT_SESSION_PROCEXIT(p) audit_session_procexit(p) +#define AUDIT_SESSION_PROCNEW(p) audit_session_procnew(p) +#define AUDIT_SESSION_PROCEXIT(p) audit_session_procexit(p) #if CONFIG_MACF -/* +/* * audit_mac_data() is the MAC Framework's entry point to the audit subsystem. * It currently creates only text and data audit tokens. */ -int audit_mac_data(int type, int len, u_char *data); -void audit_arg_mac_string(struct kaudit_record *ar, char *string); +int audit_mac_data(int type, int len, u_char *data); +void audit_arg_mac_string(struct kaudit_record *ar, char *string); #endif extern au_event_t sys_au_event[]; -#define AUDIT_RECORD() \ +#define AUDIT_RECORD() \ ((struct uthread*)get_bsdthread_info(current_thread()))->uu_ar -#ifndef AUDIT_USE_BUILTIN_EXPECT -#define AUDIT_USE_BUILTIN_EXPECT +#ifndef AUDIT_USE_BUILTIN_EXPECT +#define AUDIT_USE_BUILTIN_EXPECT #endif -#ifdef AUDIT_USE_BUILTIN_EXPECT +#ifdef AUDIT_USE_BUILTIN_EXPECT /* - * Use branch prediction for the case of auditing enabled but not + * Use branch prediction for the case of auditing enabled but not * auditing system calls. */ -#define AUDIT_SYSCALLS() __builtin_expect(audit_syscalls, 0) -#define AUDIT_ENABLED() __builtin_expect(audit_syscalls && \ - audit_enabled, 0) -#define AUDIT_AUDITING(x) __builtin_expect(NULL != (x), 0) +#define AUDIT_SYSCALLS() __builtin_expect(audit_syscalls, 0) +#define AUDIT_ENABLED() __builtin_expect(audit_syscalls && \ + audit_enabled, 0) +#define AUDIT_AUDITING(x) __builtin_expect(NULL != (x), 0) #else -#define AUDIT_SYSCALLS() (audit_syscalls) -#define AUDIT_ENABLED() (audit_syscalls && audit_enabled) -#define AUDIT_AUDITING(x) (NULL != (x)) +#define AUDIT_SYSCALLS() (audit_syscalls) +#define AUDIT_ENABLED() (audit_syscalls && audit_enabled) +#define AUDIT_AUDITING(x) (NULL != (x)) #endif /* AUDIT_USE_BUILTIN_EXPECT */ +#define AUDIT_RECORD_EXISTS() (AUDIT_ENABLED() && AUDIT_AUDITING(AUDIT_RECORD())) + /* * Define a macro to wrap the audit_arg_* calls by checking the global * audit_enabled flag before performing the actual call. */ -#define AUDIT_ARG(op, args...) do { \ - if (AUDIT_SYSCALLS()) { \ - struct kaudit_record *__ar = AUDIT_RECORD(); \ - if (AUDIT_AUDITING(__ar)) \ - audit_arg_ ## op (__ar, args); \ - } \ +#define AUDIT_ARG(op, args...) do { \ + if (AUDIT_SYSCALLS()) { \ + struct kaudit_record *__ar = AUDIT_RECORD(); \ + if (AUDIT_AUDITING(__ar)) \ + audit_arg_ ## op (__ar, ## args); \ + } \ } while (0) -#define AUDIT_SYSCALL_ENTER(args...) do { \ - if (AUDIT_ENABLED()) { \ - audit_syscall_enter(args); \ - } \ +#define AUDIT_SYSCALL_ENTER(args...) do { \ + if (AUDIT_ENABLED()) { \ + audit_syscall_enter(args); \ + } \ } while (0) /* * Wrap the audit_syscall_exit() function so that it is called only when - * we have a audit record on the thread. Audit records can persist after - * auditing is disabled, so we don't just check audit_enabled here. + * we have a audit record on the thread. Audit records can persist after + * auditing is disabled, so we don't just check audit_enabled here. */ -#define AUDIT_SYSCALL_EXIT(code, proc, uthread, error) do { \ - if (AUDIT_AUDITING(uthread->uu_ar)) \ - audit_syscall_exit(code, error, proc, uthread); \ +#define AUDIT_SYSCALL_EXIT(code, proc, uthread, error) do { \ + if (AUDIT_AUDITING(uthread->uu_ar)) \ + audit_syscall_exit(code, error, proc, uthread); \ +} while (0) + +#define AUDIT_SUBCALL_ENTER(event, proc, uthread) do { \ + if (AUDIT_ENABLED()) \ + audit_subcall_enter(AUE_ ## event, proc, uthread); \ +} while (0) + +#define AUDIT_SUBCALL_EXIT(uthread, error) do { \ + if (AUDIT_AUDITING(uthread->uu_ar)) \ + audit_subcall_exit(error, uthread); \ } while (0) /* * Wrap the audit_mach_syscall_enter() and audit_mach_syscall_exit() * functions in a manner similar to other system call enter/exit functions. */ -#define AUDIT_MACH_SYSCALL_ENTER(args...) do { \ - if (AUDIT_ENABLED()) { \ - audit_mach_syscall_enter(args); \ - } \ +#define AUDIT_MACH_SYSCALL_ENTER(args...) do { \ + if (AUDIT_ENABLED()) { \ + audit_mach_syscall_enter(args); \ + } \ } while (0) -#define AUDIT_MACH_SYSCALL_EXIT(retval) do { \ - if (AUDIT_SYSCALLS()) { \ - struct uthread *__uthread = \ - get_bsdthread_info(current_thread()); \ - if (AUDIT_AUDITING(__uthread->uu_ar)) \ - audit_mach_syscall_exit(retval, __uthread); \ - } \ +#define AUDIT_MACH_SYSCALL_EXIT(retval) do { \ + if (AUDIT_SYSCALLS()) { \ + struct uthread *__uthread = \ + get_bsdthread_info(current_thread()); \ + if (AUDIT_AUDITING(__uthread->uu_ar)) \ + audit_mach_syscall_exit(retval, __uthread); \ + } \ } while (0) /* * A Macro to wrap the audit_sysclose() function. */ -#define AUDIT_SYSCLOSE(args...) do { \ - if (AUDIT_SYSCALLS()) { \ - struct kaudit_record *__ar = AUDIT_RECORD(); \ - if (AUDIT_AUDITING(__ar)) \ - audit_sysclose(__ar, args); \ - } \ +#define AUDIT_SYSCLOSE(args...) do { \ + if (AUDIT_SYSCALLS()) { \ + struct kaudit_record *__ar = AUDIT_RECORD(); \ + if (AUDIT_AUDITING(__ar)) \ + audit_sysclose(__ar, args); \ + } \ } while (0) #else /* !CONFIG_AUDIT */ -#define AUDIT_ARG(op, args...) do { \ +#define AUDIT_ARG(op, args...) do { \ +} while (0) + +#define AUDIT_SYSCALL_ENTER(args...) do { \ +} while (0) + +#define AUDIT_SYSCALL_EXIT(code, proc, uthread, error) do { \ } while (0) -#define AUDIT_SYSCALL_ENTER(args...) do { \ +#define AUDIT_SUBCALL_ENTER(event, proc, uthread) do { \ } while (0) -#define AUDIT_SYSCALL_EXIT(code, proc, uthread, error) do { \ +#define AUDIT_SUBCALL_EXIT(uthread, error) do { \ } while (0) -#define AUDIT_MACH_SYSCALL_ENTER(args...) do { \ +#define AUDIT_MACH_SYSCALL_ENTER(args...) do { \ } while (0) -#define AUDIT_MACH_SYSCALL_EXIT(retval) do { \ +#define AUDIT_MACH_SYSCALL_EXIT(retval) do { \ } while (0) -#define AUDIT_SYSCLOSE(op, args...) do { \ +#define AUDIT_SYSCLOSE(op, args...) do { \ } while (0) -#define AUDIT_SESSION_REF(cred) do { \ +#define AUDIT_SESSION_REF(cred) do { \ } while (0) -#define AUDIT_SESSION_UNREF(cred) do { \ +#define AUDIT_SESSION_UNREF(cred) do { \ } while (0) -#define AUDIT_SESSION_PROCNEW(cred) do { \ +#define AUDIT_SESSION_PROCNEW(cred) do { \ } while (0) -#define AUDIT_SESSION_PROCEXIT(cred) do { \ +#define AUDIT_SESSION_PROCEXIT(cred) do { \ } while (0) -#define AUDIT_SESSION_REF(cred) do { \ +#define AUDIT_SESSION_REF(cred) do { \ } while (0) -#define AUDIT_SESSION_UNREF(cred) do { \ +#define AUDIT_SESSION_UNREF(cred) do { \ } while (0) -#define AUDIT_SESSION_PROCNEW(cred) do { \ +#define AUDIT_SESSION_PROCNEW(cred) do { \ } while (0) -#define AUDIT_SESSION_PROCEXIT(cred) do { \ +#define AUDIT_SESSION_PROCEXIT(cred) do { \ } while (0) #endif /* CONFIG_AUDIT */