Move ifdef CONFIG_AUDITSYSCALL to header
[linux-2.6/linux-acpi-2.6/ibm-acpi-2.6.git] / include / linux / audit.h
blob58c5589b531f31a2b12c56db43a93e754f5af78a
1 /* audit.h -- Auditing support
3 * Copyright 2003-2004 Red Hat Inc., Durham, North Carolina.
4 * All Rights Reserved.
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 * Written by Rickard E. (Rik) Faith <faith@redhat.com>
24 #ifndef _LINUX_AUDIT_H_
25 #define _LINUX_AUDIT_H_
27 #include <linux/sched.h>
28 #include <linux/elf.h>
30 /* Request and reply types */
31 #define AUDIT_GET 1000 /* Get status */
32 #define AUDIT_SET 1001 /* Set status (enable/disable/auditd) */
33 #define AUDIT_LIST 1002 /* List filtering rules */
34 #define AUDIT_ADD 1003 /* Add filtering rule */
35 #define AUDIT_DEL 1004 /* Delete filtering rule */
36 #define AUDIT_USER 1005 /* Send a message from user-space */
37 #define AUDIT_LOGIN 1006 /* Define the login id and information */
38 #define AUDIT_SIGNAL_INFO 1010 /* Get information about sender of signal*/
40 #define AUDIT_KERNEL 2000 /* Asynchronous audit record. NOT A REQUEST. */
42 /* Rule flags */
43 #define AUDIT_PER_TASK 0x01 /* Apply rule at task creation (not syscall) */
44 #define AUDIT_AT_ENTRY 0x02 /* Apply rule at syscall entry */
45 #define AUDIT_AT_EXIT 0x04 /* Apply rule at syscall exit */
46 #define AUDIT_PREPEND 0x10 /* Prepend to front of list */
48 /* Rule actions */
49 #define AUDIT_NEVER 0 /* Do not build context if rule matches */
50 #define AUDIT_POSSIBLE 1 /* Build context if rule matches */
51 #define AUDIT_ALWAYS 2 /* Generate audit record if rule matches */
53 /* Rule structure sizes -- if these change, different AUDIT_ADD and
54 * AUDIT_LIST commands must be implemented. */
55 #define AUDIT_MAX_FIELDS 64
56 #define AUDIT_BITMASK_SIZE 64
57 #define AUDIT_WORD(nr) ((__u32)((nr)/32))
58 #define AUDIT_BIT(nr) (1 << ((nr) - AUDIT_WORD(nr)*32))
60 /* Rule fields */
61 /* These are useful when checking the
62 * task structure at task creation time
63 * (AUDIT_PER_TASK). */
64 #define AUDIT_PID 0
65 #define AUDIT_UID 1
66 #define AUDIT_EUID 2
67 #define AUDIT_SUID 3
68 #define AUDIT_FSUID 4
69 #define AUDIT_GID 5
70 #define AUDIT_EGID 6
71 #define AUDIT_SGID 7
72 #define AUDIT_FSGID 8
73 #define AUDIT_LOGINUID 9
74 #define AUDIT_PERS 10
75 #define AUDIT_ARCH 11
77 /* These are ONLY useful when checking
78 * at syscall exit time (AUDIT_AT_EXIT). */
79 #define AUDIT_DEVMAJOR 100
80 #define AUDIT_DEVMINOR 101
81 #define AUDIT_INODE 102
82 #define AUDIT_EXIT 103
83 #define AUDIT_SUCCESS 104 /* exit >= 0; value ignored */
85 #define AUDIT_ARG0 200
86 #define AUDIT_ARG1 (AUDIT_ARG0+1)
87 #define AUDIT_ARG2 (AUDIT_ARG0+2)
88 #define AUDIT_ARG3 (AUDIT_ARG0+3)
90 #define AUDIT_NEGATE 0x80000000
93 /* Status symbols */
94 /* Mask values */
95 #define AUDIT_STATUS_ENABLED 0x0001
96 #define AUDIT_STATUS_FAILURE 0x0002
97 #define AUDIT_STATUS_PID 0x0004
98 #define AUDIT_STATUS_RATE_LIMIT 0x0008
99 #define AUDIT_STATUS_BACKLOG_LIMIT 0x0010
100 /* Failure-to-log actions */
101 #define AUDIT_FAIL_SILENT 0
102 #define AUDIT_FAIL_PRINTK 1
103 #define AUDIT_FAIL_PANIC 2
105 /* distinguish syscall tables */
106 #define __AUDIT_ARCH_64BIT 0x80000000
107 #define __AUDIT_ARCH_LE 0x40000000
108 #define AUDIT_ARCH_ALPHA (EM_ALPHA|__AUDIT_ARCH_64BIT|__AUDIT_ARCH_LE)
109 #define AUDIT_ARCH_ARM (EM_ARM|__AUDIT_ARCH_LE)
110 #define AUDIT_ARCH_ARMEB (EM_ARM)
111 #define AUDIT_ARCH_CRIS (EM_CRIS|__AUDIT_ARCH_LE)
112 #define AUDIT_ARCH_FRV (EM_FRV)
113 #define AUDIT_ARCH_H8300 (EM_H8_300)
114 #define AUDIT_ARCH_I386 (EM_386|__AUDIT_ARCH_LE)
115 #define AUDIT_ARCH_IA64 (EM_IA_64|__AUDIT_ARCH_64BIT|__AUDIT_ARCH_LE)
116 #define AUDIT_ARCH_M32R (EM_M32R)
117 #define AUDIT_ARCH_M68K (EM_68K)
118 #define AUDIT_ARCH_MIPS (EM_MIPS)
119 #define AUDIT_ARCH_MIPSEL (EM_MIPS|__AUDIT_ARCH_LE)
120 #define AUDIT_ARCH_MIPS64 (EM_MIPS|__AUDIT_ARCH_64BIT)
121 #define AUDIT_ARCH_MIPSEL64 (EM_MIPS|__AUDIT_ARCH_64BIT|__AUDIT_ARCH_LE)
122 #define AUDIT_ARCH_PARISC (EM_PARISC)
123 #define AUDIT_ARCH_PARISC64 (EM_PARISC|__AUDIT_ARCH_64BIT)
124 #define AUDIT_ARCH_PPC (EM_PPC)
125 #define AUDIT_ARCH_PPC64 (EM_PPC64|__AUDIT_ARCH_64BIT)
126 #define AUDIT_ARCH_S390 (EM_S390)
127 #define AUDIT_ARCH_S390X (EM_S390|__AUDIT_ARCH_64BIT)
128 #define AUDIT_ARCH_SH (EM_SH)
129 #define AUDIT_ARCH_SHEL (EM_SH|__AUDIT_ARCH_LE)
130 #define AUDIT_ARCH_SH64 (EM_SH|__AUDIT_ARCH_64BIT)
131 #define AUDIT_ARCH_SHEL64 (EM_SH|__AUDIT_ARCH_64BIT|__AUDIT_ARCH_LE)
132 #define AUDIT_ARCH_SPARC (EM_SPARC)
133 #define AUDIT_ARCH_SPARC64 (EM_SPARC64|__AUDIT_ARCH_64BIT)
134 #define AUDIT_ARCH_V850 (EM_V850|__AUDIT_ARCH_LE)
135 #define AUDIT_ARCH_X86_64 (EM_X86_64|__AUDIT_ARCH_64BIT|__AUDIT_ARCH_LE)
137 #ifndef __KERNEL__
138 struct audit_message {
139 struct nlmsghdr nlh;
140 char data[1200];
142 #endif
144 struct audit_status {
145 __u32 mask; /* Bit mask for valid entries */
146 __u32 enabled; /* 1 = enabled, 0 = disbaled */
147 __u32 failure; /* Failure-to-log action */
148 __u32 pid; /* pid of auditd process */
149 __u32 rate_limit; /* messages rate limit (per second) */
150 __u32 backlog_limit; /* waiting messages limit */
151 __u32 lost; /* messages lost */
152 __u32 backlog; /* messages waiting in queue */
155 struct audit_rule { /* for AUDIT_LIST, AUDIT_ADD, and AUDIT_DEL */
156 __u32 flags; /* AUDIT_PER_{TASK,CALL}, AUDIT_PREPEND */
157 __u32 action; /* AUDIT_NEVER, AUDIT_POSSIBLE, AUDIT_ALWAYS */
158 __u32 field_count;
159 __u32 mask[AUDIT_BITMASK_SIZE];
160 __u32 fields[AUDIT_MAX_FIELDS];
161 __u32 values[AUDIT_MAX_FIELDS];
164 #ifdef __KERNEL__
166 struct audit_sig_info {
167 uid_t uid;
168 pid_t pid;
171 struct audit_buffer;
172 struct audit_context;
173 struct inode;
175 #define AUDITSC_INVALID 0
176 #define AUDITSC_SUCCESS 1
177 #define AUDITSC_FAILURE 2
178 #define AUDITSC_RESULT(x) ( ((long)(x))<0?AUDITSC_FAILURE:AUDITSC_SUCCESS )
179 #ifdef CONFIG_AUDITSYSCALL
180 /* These are defined in auditsc.c */
181 /* Public API */
182 extern int audit_alloc(struct task_struct *task);
183 extern void audit_free(struct task_struct *task);
184 extern void audit_syscall_entry(struct task_struct *task, int arch,
185 int major, unsigned long a0, unsigned long a1,
186 unsigned long a2, unsigned long a3);
187 extern void audit_syscall_exit(struct task_struct *task, int failed, long return_code);
188 extern void audit_getname(const char *name);
189 extern void audit_putname(const char *name);
190 extern void audit_inode(const char *name, const struct inode *inode);
192 /* Private API (for audit.c only) */
193 extern int audit_receive_filter(int type, int pid, int uid, int seq,
194 void *data, uid_t loginuid);
195 extern int audit_get_stamp(struct audit_context *ctx,
196 struct timespec *t, unsigned int *serial);
197 extern int audit_set_loginuid(struct task_struct *task, uid_t loginuid);
198 extern uid_t audit_get_loginuid(struct audit_context *ctx);
199 extern int audit_ipc_perms(unsigned long qbytes, uid_t uid, gid_t gid, mode_t mode);
200 extern void audit_signal_info(int sig, struct task_struct *t);
201 #else
202 #define audit_alloc(t) ({ 0; })
203 #define audit_free(t) do { ; } while (0)
204 #define audit_syscall_entry(t,ta,a,b,c,d,e) do { ; } while (0)
205 #define audit_syscall_exit(t,f,r) do { ; } while (0)
206 #define audit_getname(n) do { ; } while (0)
207 #define audit_putname(n) do { ; } while (0)
208 #define audit_inode(n,i) do { ; } while (0)
209 #define audit_receive_filter(t,p,u,s,d,l) ({ -EOPNOTSUPP; })
210 #define audit_get_stamp(c,t,s) ({ 0; })
211 #define audit_get_loginuid(c) ({ -1; })
212 #define audit_ipc_perms(q,u,g,m) ({ 0; })
213 #define audit_signal_info(s,t) do { ; } while (0)
214 #endif
216 #ifdef CONFIG_AUDIT
217 /* These are defined in audit.c */
218 /* Public API */
219 extern void audit_log(struct audit_context *ctx,
220 const char *fmt, ...)
221 __attribute__((format(printf,2,3)));
223 extern struct audit_buffer *audit_log_start(struct audit_context *ctx);
224 extern void audit_log_format(struct audit_buffer *ab,
225 const char *fmt, ...)
226 __attribute__((format(printf,2,3)));
227 extern void audit_log_end(struct audit_buffer *ab);
228 extern void audit_log_hex(struct audit_buffer *ab,
229 const unsigned char *buf,
230 size_t len);
231 extern void audit_log_untrustedstring(struct audit_buffer *ab,
232 const char *string);
233 extern void audit_log_d_path(struct audit_buffer *ab,
234 const char *prefix,
235 struct dentry *dentry,
236 struct vfsmount *vfsmnt);
237 /* Private API (for auditsc.c only) */
238 extern void audit_send_reply(int pid, int seq, int type,
239 int done, int multi,
240 void *payload, int size);
241 extern void audit_log_lost(const char *message);
242 #else
243 #define audit_log(t,f,...) do { ; } while (0)
244 #define audit_log_start(t) ({ NULL; })
245 #define audit_log_vformat(b,f,a) do { ; } while (0)
246 #define audit_log_format(b,f,...) do { ; } while (0)
247 #define audit_log_end(b) do { ; } while (0)
248 #define audit_log_hex(a,b,l) do { ; } while (0)
249 #define audit_log_untrustedstring(a,s) do { ; } while (0)
250 #define audit_log_d_path(b,p,d,v) do { ; } while (0)
251 #endif
252 #endif
253 #endif