Import <security/audit/audit.h> from FreeBSD

1 files changed, 365 insertions, 0 deletions

diff --git a/freebsd/sys/security/audit/audit.h b/freebsd/sys/security/audit/audit.h
new file mode 100644
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+++ b/freebsd/sys/security/audit/audit.h
@@ -0,0 +1,365 @@
+/*-
+ * Copyright (c) 1999-2005 Apple Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1.  Redistributions of source code must retain the above copyright
+ *     notice, this list of conditions and the following disclaimer.
+ * 2.  Redistributions in binary form must reproduce the above copyright
+ *     notice, this list of conditions and the following disclaimer in the
+ *     documentation and/or other materials provided with the distribution.
+ * 3.  Neither the name of Apple Inc. ("Apple") nor the names of
+ *     its contributors may be used to endorse or promote products derived
+ *     from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR
+ * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ * $FreeBSD$
+ */
+
+/*
+ * This header includes function prototypes and type definitions that are
+ * necessary for the kernel as a whole to interact with the audit subsystem.
+ */
+
+#ifndef _SECURITY_AUDIT_KERNEL_H_
+#define	_SECURITY_AUDIT_KERNEL_H_
+
+#ifndef _KERNEL
+#error "no user-serviceable parts inside"
+#endif
+
+#include <bsm/audit.h>
+
+#include <sys/file.h>
+#include <sys/sysctl.h>
+
+/*
+ * Audit subsystem condition flags.  The audit_enabled flag is set and
+ * removed automatically as a result of configuring log files, and can be
+ * observed but should not be directly manipulated.  The audit suspension
+ * flag permits audit to be temporarily disabled without reconfiguring the
+ * audit target.
+ */
+extern int	audit_enabled;
+extern int	audit_suspended;
+
+void	 audit_syscall_enter(unsigned short code, struct thread *td);
+void	 audit_syscall_exit(int error, struct thread *td);
+
+/*
+ * The remaining kernel functions are conditionally compiled in as they are
+ * wrapped by a macro, and the macro should be the only place in the source
+ * tree where these functions are referenced.
+ */
+#ifdef AUDIT
+struct ipc_perm;
+struct sockaddr;
+union auditon_udata;
+void	 audit_arg_addr(void * addr);
+void	 audit_arg_exit(int status, int retval);
+void	 audit_arg_len(int len);
+void	 audit_arg_atfd1(int atfd);
+void	 audit_arg_atfd2(int atfd);
+void	 audit_arg_fd(int fd);
+void	 audit_arg_fflags(int fflags);
+void	 audit_arg_gid(gid_t gid);
+void	 audit_arg_uid(uid_t uid);
+void	 audit_arg_egid(gid_t egid);
+void	 audit_arg_euid(uid_t euid);
+void	 audit_arg_rgid(gid_t rgid);
+void	 audit_arg_ruid(uid_t ruid);
+void	 audit_arg_sgid(gid_t sgid);
+void	 audit_arg_suid(uid_t suid);
+void	 audit_arg_groupset(gid_t *gidset, u_int gidset_size);
+void	 audit_arg_login(char *login);
+void	 audit_arg_ctlname(int *name, int namelen);
+void	 audit_arg_mask(int mask);
+void	 audit_arg_mode(mode_t mode);
+void	 audit_arg_dev(int dev);
+void	 audit_arg_value(long value);
+void	 audit_arg_owner(uid_t uid, gid_t gid);
+void	 audit_arg_pid(pid_t pid);
+void	 audit_arg_process(struct proc *p);
+void	 audit_arg_signum(u_int signum);
+void	 audit_arg_socket(int sodomain, int sotype, int soprotocol);
+void	 audit_arg_sockaddr(struct thread *td, struct sockaddr *sa);
+void	 audit_arg_auid(uid_t auid);
+void	 audit_arg_auditinfo(struct auditinfo *au_info);
+void	 audit_arg_auditinfo_addr(struct auditinfo_addr *au_info);
+void	 audit_arg_upath1(struct thread *td, char *upath);
+void	 audit_arg_upath2(struct thread *td, char *upath);
+void	 audit_arg_vnode1(struct vnode *vp);
+void	 audit_arg_vnode2(struct vnode *vp);
+void	 audit_arg_text(char *text);
+void	 audit_arg_cmd(int cmd);
+void	 audit_arg_svipc_cmd(int cmd);
+void	 audit_arg_svipc_perm(struct ipc_perm *perm);
+void	 audit_arg_svipc_id(int id);
+void	 audit_arg_svipc_addr(void *addr);
+void	 audit_arg_posix_ipc_perm(uid_t uid, gid_t gid, mode_t mode);
+void	 audit_arg_auditon(union auditon_udata *udata);
+void	 audit_arg_file(struct proc *p, struct file *fp);
+void	 audit_arg_argv(char *argv, int argc, int length);
+void	 audit_arg_envv(char *envv, int envc, int length);
+void	 audit_sysclose(struct thread *td, int fd);
+void	 audit_cred_copy(struct ucred *src, struct ucred *dest);
+void	 audit_cred_destroy(struct ucred *cred);
+void	 audit_cred_init(struct ucred *cred);
+void	 audit_cred_kproc0(struct ucred *cred);
+void	 audit_cred_proc1(struct ucred *cred);
+void	 audit_proc_coredump(struct thread *td, char *path, int errcode);
+void	 audit_thread_alloc(struct thread *td);
+void	 audit_thread_free(struct thread *td);
+
+/*
+ * Define macros to wrap the audit_arg_* calls by checking the global
+ * audit_enabled flag before performing the actual call.
+ */
+#define	AUDITING_TD(td)		((td)->td_pflags & TDP_AUDITREC)
+
+#define	AUDIT_ARG_ADDR(addr) do {					\
+	if (AUDITING_TD(curthread))					\
+		audit_arg_addr((addr));					\
+} while (0)
+
+#define	AUDIT_ARG_ARGV(argv, argc, length) do {				\
+	if (AUDITING_TD(curthread))					\
+		audit_arg_argv((argv), (argc), (length));		\
+} while (0)
+
+#define	AUDIT_ARG_ATFD1(atfd) do {					\
+	if (AUDITING_TD(curthread))					\
+		audit_arg_atfd1((atfd));				\
+} while (0)
+
+#define	AUDIT_ARG_ATFD2(atfd) do {					\
+	if (AUDITING_TD(curthread))					\
+		audit_arg_atfd2((atfd));				\
+} while (0)
+
+#define	AUDIT_ARG_AUDITON(udata) do {					\
+	if (AUDITING_TD(curthread))					\
+		audit_arg_auditon((udata));				\
+} while (0)
+
+#define	AUDIT_ARG_CMD(cmd) do {						\
+	if (AUDITING_TD(curthread))					\
+		audit_arg_cmd((cmd));					\
+} while (0)
+
+#define	AUDIT_ARG_DEV(dev) do {						\
+	if (AUDITING_TD(curthread))					\
+		audit_arg_dev((dev));					\
+} while (0)
+
+#define	AUDIT_ARG_EGID(egid) do {					\
+	if (AUDITING_TD(curthread))					\
+		audit_arg_egid((egid));					\
+} while (0)
+
+#define	AUDIT_ARG_ENVV(envv, envc, length) do {				\
+	if (AUDITING_TD(curthread))					\
+		audit_arg_envv((envv), (envc), (length));		\
+} while (0)
+
+#define	AUDIT_ARG_EXIT(status, retval) do {				\
+	if (AUDITING_TD(curthread))					\
+		audit_arg_exit((status), (retval));			\
+} while (0)
+
+#define	AUDIT_ARG_EUID(euid) do {					\
+	if (AUDITING_TD(curthread))					\
+		audit_arg_euid((euid));					\
+} while (0)
+
+#define	AUDIT_ARG_FD(fd) do {						\
+	if (AUDITING_TD(curthread))					\
+		audit_arg_fd((fd));					\
+} while (0)
+
+#define	AUDIT_ARG_FILE(p, fp) do {					\
+	if (AUDITING_TD(curthread))					\
+		audit_arg_file((p), (fp));				\
+} while (0)
+
+#define	AUDIT_ARG_FFLAGS(fflags) do {					\
+	if (AUDITING_TD(curthread))					\
+		audit_arg_fflags((fflags));				\
+} while (0)
+
+#define	AUDIT_ARG_GID(gid) do {						\
+	if (AUDITING_TD(curthread))					\
+		audit_arg_gid((gid));					\
+} while (0)
+
+#define	AUDIT_ARG_GROUPSET(gidset, gidset_size) do {			\
+	if (AUDITING_TD(curthread))					\
+		audit_arg_groupset((gidset), (gidset_size));		\
+} while (0)
+
+#define	AUDIT_ARG_MODE(mode) do {					\
+	if (AUDITING_TD(curthread))					\
+		audit_arg_mode((mode));					\
+} while (0)
+
+#define	AUDIT_ARG_OWNER(uid, gid) do {					\
+	if (AUDITING_TD(curthread))					\
+		audit_arg_owner((uid), (gid));				\
+} while (0)
+
+#define	AUDIT_ARG_PID(pid) do {						\
+	if (AUDITING_TD(curthread))					\
+		audit_arg_pid((pid));					\
+} while (0)
+
+#define	AUDIT_ARG_PROCESS(p) do {					\
+	if (AUDITING_TD(curthread))					\
+		audit_arg_process((p));					\
+} while (0)
+
+#define	AUDIT_ARG_RGID(rgid) do {					\
+	if (AUDITING_TD(curthread))					\
+		audit_arg_rgid((rgid));					\
+} while (0)
+
+#define	AUDIT_ARG_RUID(ruid) do {					\
+	if (AUDITING_TD(curthread))					\
+		audit_arg_ruid((ruid));					\
+} while (0)
+
+#define	AUDIT_ARG_SIGNUM(signum) do {					\
+	if (AUDITING_TD(curthread))					\
+		audit_arg_signum((signum));				\
+} while (0)
+
+#define	AUDIT_ARG_SGID(sgid) do {					\
+	if (AUDITING_TD(curthread))					\
+		audit_arg_sgid((sgid));					\
+} while (0)
+
+#define	AUDIT_ARG_SOCKET(sodomain, sotype, soprotocol) do {		\
+	if (AUDITING_TD(curthread))					\
+		audit_arg_socket((sodomain), (sotype), (soprotocol));	\
+} while (0)
+
+#define	AUDIT_ARG_SUID(suid) do {					\
+	if (AUDITING_TD(curthread))					\
+		audit_arg_suid((suid));					\
+} while (0)
+
+#define	AUDIT_ARG_TEXT(text) do {					\
+	if (AUDITING_TD(curthread))					\
+		audit_arg_text((text));					\
+} while (0)
+
+#define	AUDIT_ARG_UID(uid) do {						\
+	if (AUDITING_TD(curthread))					\
+		audit_arg_uid((uid));					\
+} while (0)
+
+#define	AUDIT_ARG_UPATH1(td, upath) do {				\
+	if (AUDITING_TD(curthread))					\
+		audit_arg_upath1((td), (upath));			\
+} while (0)
+
+#define	AUDIT_ARG_UPATH2(td, upath) do {				\
+	if (AUDITING_TD(curthread))					\
+		audit_arg_upath2((td), (upath));			\
+} while (0)
+
+#define	AUDIT_ARG_VALUE(value) do {					\
+	if (AUDITING_TD(curthread))					\
+		audit_arg_value((value));				\
+} while (0)
+
+#define	AUDIT_ARG_VNODE1(vp) do {					\
+	if (AUDITING_TD(curthread))					\
+		audit_arg_vnode1((vp));					\
+} while (0)
+
+#define	AUDIT_ARG_VNODE2(vp) do {					\
+	if (AUDITING_TD(curthread))					\
+		audit_arg_vnode2((vp));					\
+} while (0)
+
+#define	AUDIT_SYSCALL_ENTER(code, td)	do {				\
+	if (audit_enabled) {						\
+		audit_syscall_enter(code, td);				\
+	}								\
+} 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.
+ */
+#define	AUDIT_SYSCALL_EXIT(error, td)	do {				\
+	if (td->td_pflags & TDP_AUDITREC)				\
+		audit_syscall_exit(error, td);				\
+} while (0)
+
+/*
+ * A Macro to wrap the audit_sysclose() function.
+ */
+#define	AUDIT_SYSCLOSE(td, fd)	do {					\
+	if (td->td_pflags & TDP_AUDITREC)				\
+		audit_sysclose(td, fd);					\
+} while (0)
+
+#else /* !AUDIT */
+
+#define	AUDIT_ARG_ADDR(addr)
+#define	AUDIT_ARG_ARGV(argv, argc, length)
+#define	AUDIT_ARG_ATFD1(atfd)
+#define	AUDIT_ARG_ATFD2(atfd)
+#define	AUDIT_ARG_AUDITON(udata)
+#define	AUDIT_ARG_CMD(cmd)
+#define	AUDIT_ARG_DEV(dev)
+#define	AUDIT_ARG_EGID(egid)
+#define	AUDIT_ARG_ENVV(envv, envc, length)
+#define	AUDIT_ARG_EXIT(status, retval)
+#define	AUDIT_ARG_EUID(euid)
+#define	AUDIT_ARG_FD(fd)
+#define	AUDIT_ARG_FILE(p, fp)
+#define	AUDIT_ARG_FFLAGS(fflags)
+#define	AUDIT_ARG_GID(gid)
+#define	AUDIT_ARG_GROUPSET(gidset, gidset_size)
+#define	AUDIT_ARG_MODE(mode)
+#define	AUDIT_ARG_OWNER(uid, gid)
+#define	AUDIT_ARG_PID(pid)
+#define	AUDIT_ARG_PROCESS(p)
+#define	AUDIT_ARG_RGID(rgid)
+#define	AUDIT_ARG_RUID(ruid)
+#define	AUDIT_ARG_SIGNUM(signum)
+#define	AUDIT_ARG_SGID(sgid)
+#define	AUDIT_ARG_SOCKET(sodomain, sotype, soprotocol)
+#define	AUDIT_ARG_SUID(suid)
+#define	AUDIT_ARG_TEXT(text)
+#define	AUDIT_ARG_UID(uid)
+#define	AUDIT_ARG_UPATH1(td, upath)
+#define	AUDIT_ARG_UPATH2(td, upath)
+#define	AUDIT_ARG_VALUE(value)
+#define	AUDIT_ARG_VNODE1(vp)
+#define	AUDIT_ARG_VNODE2(vp)
+
+#define	AUDIT_SYSCALL_ENTER(code, td)
+#define	AUDIT_SYSCALL_EXIT(error, td)
+
+#define	AUDIT_SYSCLOSE(p, fd)
+
+#endif /* AUDIT */
+
+#endif /* !_SECURITY_AUDIT_KERNEL_H_ */