security/apparmor/include/audit.h

   1 /*
   2  * AppArmor security module
   3  *
   4  * This file contains AppArmor auditing function definitions.
   5  *
   6  * Copyright (C) 1998-2008 Novell/SUSE
   7  * Copyright 2009-2010 Canonical Ltd.
   8  *
   9  * This program is free software; you can redistribute it and/or
  10  * modify it under the terms of the GNU General Public License as
  11  * published by the Free Software Foundation, version 2 of the
  12  * License.
  13  */
  14
  15 #ifndef __AA_AUDIT_H
  16 #define __AA_AUDIT_H
  17
  18 #include <linux/audit.h>
  19 #include <linux/fs.h>
  20 #include <linux/lsm_audit.h>
  21 #include <linux/sched.h>
  22 #include <linux/slab.h>
  23
  24 #include "file.h"
  25
  26 struct aa_profile;
  27
  28 extern const char *const audit_mode_names[];
  29 #define AUDIT_MAX_INDEX 5
  30 enum audit_mode {
  31         AUDIT_NORMAL,           /* follow normal auditing of accesses */
  32         AUDIT_QUIET_DENIED,     /* quiet all denied access messages */
  33         AUDIT_QUIET,            /* quiet all messages */
  34         AUDIT_NOQUIET,          /* do not quiet audit messages */
  35         AUDIT_ALL               /* audit all accesses */
  36 };
  37
  38 enum audit_type {
  39         AUDIT_APPARMOR_AUDIT,
  40         AUDIT_APPARMOR_ALLOWED,
  41         AUDIT_APPARMOR_DENIED,
  42         AUDIT_APPARMOR_HINT,
  43         AUDIT_APPARMOR_STATUS,
  44         AUDIT_APPARMOR_ERROR,
  45         AUDIT_APPARMOR_KILL,
  46         AUDIT_APPARMOR_AUTO
  47 };
  48
  49 extern const char *const op_table[];
  50 enum aa_ops {
  51         OP_NULL,
  52
  53         OP_SYSCTL,
  54         OP_CAPABLE,
  55
  56         OP_UNLINK,
  57         OP_MKDIR,
  58         OP_RMDIR,
  59         OP_MKNOD,
  60         OP_TRUNC,
  61         OP_LINK,
  62         OP_SYMLINK,
  63         OP_RENAME_SRC,
  64         OP_RENAME_DEST,
  65         OP_CHMOD,
  66         OP_CHOWN,
  67         OP_GETATTR,
  68         OP_OPEN,
  69
  70         OP_FPERM,
  71         OP_FLOCK,
  72         OP_FMMAP,
  73         OP_FMPROT,
  74
  75         OP_CREATE,
  76         OP_POST_CREATE,
  77         OP_BIND,
  78         OP_CONNECT,
  79         OP_LISTEN,
  80         OP_ACCEPT,
  81         OP_SENDMSG,
  82         OP_RECVMSG,
  83         OP_GETSOCKNAME,
  84         OP_GETPEERNAME,
  85         OP_GETSOCKOPT,
  86         OP_SETSOCKOPT,
  87         OP_SOCK_SHUTDOWN,
  88
  89         OP_PTRACE,
  90
  91         OP_EXEC,
  92         OP_CHANGE_HAT,
  93         OP_CHANGE_PROFILE,
  94         OP_CHANGE_ONEXEC,
  95
  96         OP_SETPROCATTR,
  97         OP_SETRLIMIT,
  98
  99         OP_PROF_REPL,
 100         OP_PROF_LOAD,
 101         OP_PROF_RM,
 102 };
 103
 104
 105 struct apparmor_audit_data {
 106         int error;
 107         int op;
 108         int type;
 109         void *profile;
 110         const char *name;
 111         const char *info;
 112         struct task_struct *tsk;
 113         union {
 114                 void *target;
 115                 struct {
 116                         long pos;
 117                         void *target;
 118                 } iface;
 119                 struct {
 120                         int rlim;
 121                         unsigned long max;
 122                 } rlim;
 123                 struct {
 124                         const char *target;
 125                         u32 request;
 126                         u32 denied;
 127                         kuid_t ouid;
 128                 } fs;
 129         };
 130 };
 131
 132 /* define a short hand for apparmor_audit_data structure */
 133 #define aad apparmor_audit_data
 134
 135 void aa_audit_msg(int type, struct common_audit_data *sa,
 136                   void (*cb) (struct audit_buffer *, void *));
 137 int aa_audit(int type, struct aa_profile *profile, gfp_t gfp,
 138              struct common_audit_data *sa,
 139              void (*cb) (struct audit_buffer *, void *));
 140
 141 static inline int complain_error(int error)
 142 {
 143         if (error == -EPERM || error == -EACCES)
 144                 return 0;
 145         return error;
 146 }
 147
 148 #endif /* __AA_AUDIT_H */