231 lines
8.3 KiB
C
231 lines
8.3 KiB
C
/*
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* Copyright (c) 1999-2005 Apple Computer, Inc.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of
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* its contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR
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* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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/*
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* This header includes function prototypes and type definitions that are
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* necessary for the kernel as a whole to interact with the audit subsystem.
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*/
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#ifndef _SECURITY_AUDIT_KERNEL_H_
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#define _SEUCRITY_AUDIT_KERNEL_H_
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#ifndef _KERNEL
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#error "no user-serviceable parts inside"
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#endif
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#include <bsm/audit.h>
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#include <sys/file.h>
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#include <sys/sysctl.h>
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/*
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* Audit subsystem condition flags. The audit_enabled flag is set and
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* removed automatically as a result of configuring log files, and
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* can be observed but should not be directly manipulated. The audit
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* suspension flag permits audit to be temporarily disabled without
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* reconfiguring the audit target.
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*/
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extern int audit_enabled;
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extern int audit_suspended;
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/*
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* Define the masks for the audited arguments.
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*
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* XXXRW: These need to remain in audit.h for now because our vnode and name
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* lookup audit calls rely on passing in flags to indicate which name or
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* vnode is being logged. These should move to audit_private.h when that is
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* fixed.
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*/
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#define ARG_EUID 0x0000000000000001ULL
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#define ARG_RUID 0x0000000000000002ULL
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#define ARG_SUID 0x0000000000000004ULL
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#define ARG_EGID 0x0000000000000008ULL
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#define ARG_RGID 0x0000000000000010ULL
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#define ARG_SGID 0x0000000000000020ULL
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#define ARG_PID 0x0000000000000040ULL
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#define ARG_UID 0x0000000000000080ULL
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#define ARG_AUID 0x0000000000000100ULL
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#define ARG_GID 0x0000000000000200ULL
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#define ARG_FD 0x0000000000000400ULL
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#define ARG_POSIX_IPC_PERM 0x0000000000000800ULL
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#define ARG_FFLAGS 0x0000000000001000ULL
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#define ARG_MODE 0x0000000000002000ULL
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#define ARG_DEV 0x0000000000004000ULL
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#define ARG_ADDR 0x0000000000008000ULL
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#define ARG_LEN 0x0000000000010000ULL
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#define ARG_MASK 0x0000000000020000ULL
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#define ARG_SIGNUM 0x0000000000040000ULL
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#define ARG_LOGIN 0x0000000000080000ULL
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#define ARG_SADDRINET 0x0000000000100000ULL
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#define ARG_SADDRINET6 0x0000000000200000ULL
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#define ARG_SADDRUNIX 0x0000000000400000ULL
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#define ARG_UNUSED1 0x0000000000800000ULL
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#define ARG_UNUSED2 0x0000000001000000ULL
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#define ARG_UPATH1 0x0000000002000000ULL
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#define ARG_UPATH2 0x0000000004000000ULL
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#define ARG_TEXT 0x0000000008000000ULL
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#define ARG_VNODE1 0x0000000010000000ULL
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#define ARG_VNODE2 0x0000000020000000ULL
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#define ARG_SVIPC_CMD 0x0000000040000000ULL
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#define ARG_SVIPC_PERM 0x0000000080000000ULL
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#define ARG_SVIPC_ID 0x0000000100000000ULL
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#define ARG_SVIPC_ADDR 0x0000000200000000ULL
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#define ARG_GROUPSET 0x0000000400000000ULL
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#define ARG_CMD 0x0000000800000000ULL
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#define ARG_SOCKINFO 0x0000001000000000ULL
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#define ARG_ASID 0x0000002000000000ULL
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#define ARG_TERMID 0x0000004000000000ULL
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#define ARG_AUDITON 0x0000008000000000ULL
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#define ARG_VALUE 0x0000010000000000ULL
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#define ARG_AMASK 0x0000020000000000ULL
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#define ARG_CTLNAME 0x0000040000000000ULL
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#define ARG_PROCESS 0x0000080000000000ULL
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#define ARG_MACHPORT1 0x0000100000000000ULL
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#define ARG_MACHPORT2 0x0000200000000000ULL
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#define ARG_EXIT 0x0000400000000000ULL
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#define ARG_NONE 0x0000000000000000ULL
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#define ARG_ALL 0xFFFFFFFFFFFFFFFFULL
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void audit_syscall_enter(unsigned short code, struct thread *td);
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void audit_syscall_exit(int error, struct thread *td);
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/*
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* The remaining kernel functions are conditionally compiled in as they
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* are wrapped by a macro, and the macro should be the only place in
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* the source tree where these functions are referenced.
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*/
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#ifdef AUDIT
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struct ipc_perm;
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struct sockaddr;
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union auditon_udata;
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void audit_arg_addr(void * addr);
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void audit_arg_exit(int status, int retval);
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void audit_arg_len(int len);
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void audit_arg_fd(int fd);
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void audit_arg_fflags(int fflags);
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void audit_arg_gid(gid_t gid);
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void audit_arg_uid(uid_t uid);
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void audit_arg_egid(gid_t egid);
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void audit_arg_euid(uid_t euid);
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void audit_arg_rgid(gid_t rgid);
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void audit_arg_ruid(uid_t ruid);
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void audit_arg_sgid(gid_t sgid);
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void audit_arg_suid(uid_t suid);
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void audit_arg_groupset(gid_t *gidset, u_int gidset_size);
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void audit_arg_login(char *login);
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void audit_arg_ctlname(int *name, int namelen);
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void audit_arg_mask(int mask);
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void audit_arg_mode(mode_t mode);
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void audit_arg_dev(int dev);
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void audit_arg_value(long value);
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void audit_arg_owner(uid_t uid, gid_t gid);
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void audit_arg_pid(pid_t pid);
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void audit_arg_process(struct proc *p);
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void audit_arg_signum(u_int signum);
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void audit_arg_socket(int sodomain, int sotype, int soprotocol);
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void audit_arg_sockaddr(struct thread *td, struct sockaddr *so);
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void audit_arg_auid(uid_t auid);
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void audit_arg_auditinfo(struct auditinfo *au_info);
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void audit_arg_upath(struct thread *td, char *upath, u_int64_t flags);
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void audit_arg_vnode(struct vnode *vp, u_int64_t flags);
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void audit_arg_text(char *text);
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void audit_arg_cmd(int cmd);
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void audit_arg_svipc_cmd(int cmd);
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void audit_arg_svipc_perm(struct ipc_perm *perm);
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void audit_arg_svipc_id(int id);
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void audit_arg_svipc_addr(void *addr);
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void audit_arg_posix_ipc_perm(uid_t uid, gid_t gid, mode_t mode);
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void audit_arg_auditon(union auditon_udata *udata);
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void audit_arg_file(struct proc *p, struct file *fp);
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void audit_sysclose(struct thread *td, int fd);
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void audit_proc_alloc(struct proc *p);
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void audit_proc_kproc0(struct proc *p);
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void audit_proc_init(struct proc *p);
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void audit_proc_fork(struct proc *parent, struct proc *child);
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void audit_proc_free(struct proc *p);
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void audit_thread_alloc(struct thread *td);
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void audit_thread_free(struct thread *td);
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/*
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* Define a macro to wrap the audit_arg_* calls by checking the global
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* audit_enabled flag before performing the actual call.
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*/
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#define AUDIT_ARG(op, args...) do { \
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if (audit_enabled) \
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audit_arg_ ## op (args); \
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} while (0)
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#define AUDIT_SYSCALL_ENTER(code, td) do { \
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if (audit_enabled) { \
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audit_syscall_enter(code, td); \
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} \
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} while (0)
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/*
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* Wrap the audit_syscall_exit() function so that it is called only when
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* auditing is enabled, or we have a audit record on the thread. It is
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* possible that an audit record was begun before auditing was turned off.
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*/
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#define AUDIT_SYSCALL_EXIT(error, td) do { \
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if (audit_enabled | (td->td_ar != NULL)) \
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audit_syscall_exit(error, td); \
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} while (0)
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/*
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* A Macro to wrap the audit_sysclose() function.
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*/
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#define AUDIT_SYSCLOSE(td, fd) do { \
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if (audit_enabled) \
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audit_sysclose(td, fd); \
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} while (0)
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#else /* !AUDIT */
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void audit_proc_init(struct proc *p);
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void audit_proc_fork(struct proc *parent, struct proc *child);
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void audit_proc_free(struct proc *p);
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#define AUDIT_ARG(op, args...) do { \
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} while (0)
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#define AUDIT_SYSCALL_ENTER(code, td) do { \
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} while (0)
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#define AUDIT_SYSCALL_EXIT(error, td) do { \
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} while (0)
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#define AUDIT_SYSCLOSE(p, fd) do { \
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} while (0)
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#endif /* AUDIT */
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#endif /* !_SECURITY_AUDIT_KERNEL_H_ */
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