The Design and Implementation of the FreeBSD Operating System, Second Edition
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FreeBSD/Linux Kernel Cross Reference
sys/bsm/audit_record.h

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    1 /*-
    2  * Copyright (c) 2005-2009 Apple Inc.
    3  * All rights reserved.
    4  *
    5  * Redistribution and use in source and binary forms, with or without
    6  * modification, are permitted provided that the following conditions
    7  * are met:
    8  *
    9  * 1.  Redistributions of source code must retain the above copyright
   10  *     notice, this list of conditions and the following disclaimer.
   11  * 2.  Redistributions in binary form must reproduce the above copyright
   12  *     notice, this list of conditions and the following disclaimer in the
   13  *     documentation and/or other materials provided with the distribution.
   14  * 3.  Neither the name of Apple Inc. ("Apple") nor the names of
   15  *     its contributors may be used to endorse or promote products derived
   16  *     from this software without specific prior written permission.
   17  *
   18  * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
   19  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
   20  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
   21  * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
   22  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
   23  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
   24  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
   25  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
   26  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
   27  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   28  *
   29  * $FreeBSD$
   30  */
   31 
   32 #ifndef _BSM_AUDIT_RECORD_H_
   33 #define _BSM_AUDIT_RECORD_H_
   34 
   35 #include <sys/time.h>                   /* struct timeval */
   36 #include <sys/caprights.h>              /* cap_rights_t */
   37 
   38 /*
   39  * Token type identifiers.
   40  */
   41 #define AUT_INVALID             0x00
   42 #define AUT_OTHER_FILE32        0x11
   43 #define AUT_OHEADER             0x12
   44 #define AUT_TRAILER             0x13
   45 #define AUT_HEADER32            0x14
   46 #define AUT_HEADER32_EX         0x15
   47 #define AUT_DATA                0x21
   48 #define AUT_IPC                 0x22
   49 #define AUT_PATH                0x23
   50 #define AUT_SUBJECT32           0x24
   51 #define AUT_XATPATH             0x25
   52 #define AUT_PROCESS32           0x26
   53 #define AUT_RETURN32            0x27
   54 #define AUT_TEXT                0x28
   55 #define AUT_OPAQUE              0x29
   56 #define AUT_IN_ADDR             0x2a
   57 #define AUT_IP                  0x2b
   58 #define AUT_IPORT               0x2c
   59 #define AUT_ARG32               0x2d
   60 #define AUT_SOCKET              0x2e
   61 #define AUT_SEQ                 0x2f
   62 #define AUT_ACL                 0x30
   63 #define AUT_ATTR                0x31
   64 #define AUT_IPC_PERM            0x32
   65 #define AUT_LABEL               0x33
   66 #define AUT_GROUPS              0x34
   67 #define AUT_ACE                 0x35
   68 #define AUT_PRIV                0x38
   69 #define AUT_UPRIV               0x39
   70 #define AUT_LIAISON             0x3a
   71 #define AUT_NEWGROUPS           0x3b
   72 #define AUT_EXEC_ARGS           0x3c
   73 #define AUT_EXEC_ENV            0x3d
   74 #define AUT_ATTR32              0x3e
   75 #define AUT_UNAUTH              0x3f
   76 #define AUT_XATOM               0x40
   77 #define AUT_XOBJ                0x41
   78 #define AUT_XPROTO              0x42
   79 #define AUT_XSELECT             0x43
   80 #define AUT_XCOLORMAP           0x44
   81 #define AUT_XCURSOR             0x45
   82 #define AUT_XFONT               0x46
   83 #define AUT_XGC                 0x47
   84 #define AUT_XPIXMAP             0x48
   85 #define AUT_XPROPERTY           0x49
   86 #define AUT_XWINDOW             0x4a
   87 #define AUT_XCLIENT             0x4b
   88 #define AUT_CMD                 0x51
   89 #define AUT_EXIT                0x52
   90 #define AUT_ZONENAME            0x60
   91 #define AUT_HOST                0x70
   92 #define AUT_ARG64               0x71
   93 #define AUT_RETURN64            0x72
   94 #define AUT_ATTR64              0x73
   95 #define AUT_HEADER64            0x74
   96 #define AUT_SUBJECT64           0x75
   97 #define AUT_PROCESS64           0x77
   98 #define AUT_OTHER_FILE64        0x78
   99 #define AUT_HEADER64_EX         0x79
  100 #define AUT_SUBJECT32_EX        0x7a
  101 #define AUT_PROCESS32_EX        0x7b
  102 #define AUT_SUBJECT64_EX        0x7c
  103 #define AUT_PROCESS64_EX        0x7d
  104 #define AUT_IN_ADDR_EX          0x7e
  105 #define AUT_SOCKET_EX           0x7f
  106 
  107 /*
  108  * Pre-64-bit BSM, 32-bit tokens weren't explicitly named as '32'.  We have
  109  * compatibility defines.
  110  */
  111 #define AUT_HEADER              AUT_HEADER32
  112 #define AUT_ARG                 AUT_ARG32
  113 #define AUT_RETURN              AUT_RETURN32
  114 #define AUT_SUBJECT             AUT_SUBJECT32
  115 #define AUT_PROCESS             AUT_PROCESS32
  116 #define AUT_OTHER_FILE          AUT_OTHER_FILE32
  117 
  118 /*
  119  * The values for the following token ids are not defined by BSM.
  120  *
  121  * XXXRW: Not sure how to handle these in OpenBSM yet, but I'll give them
  122  * names more consistent with Sun's BSM.  These originally came from Apple's
  123  * BSM.
  124  */
  125 #define AUT_SOCKINET32          0x80            /* XXX */
  126 #define AUT_SOCKINET128         0x81            /* XXX */
  127 #define AUT_SOCKUNIX            0x82            /* XXX */
  128 
  129 #define AUT_RIGHTS              0x83
  130 
  131 /* print values for the arbitrary token */
  132 #define AUP_BINARY      0
  133 #define AUP_OCTAL       1
  134 #define AUP_DECIMAL     2
  135 #define AUP_HEX         3
  136 #define AUP_STRING      4
  137 
  138 /* data-types for the arbitrary token */
  139 #define AUR_BYTE        0
  140 #define AUR_CHAR        AUR_BYTE
  141 #define AUR_SHORT       1
  142 #define AUR_INT32       2
  143 #define AUR_INT         AUR_INT32
  144 #define AUR_INT64       3
  145 
  146 /* ... and their sizes */
  147 #define AUR_BYTE_SIZE       sizeof(u_char)
  148 #define AUR_CHAR_SIZE       AUR_BYTE_SIZE
  149 #define AUR_SHORT_SIZE      sizeof(uint16_t)
  150 #define AUR_INT32_SIZE      sizeof(uint32_t)
  151 #define AUR_INT_SIZE        AUR_INT32_SIZE
  152 #define AUR_INT64_SIZE      sizeof(uint64_t)
  153 
  154 /* Modifiers for the header token */
  155 #define PAD_NOTATTR  0x4000   /* nonattributable event */
  156 #define PAD_FAILURE  0x8000   /* fail audit event */
  157 
  158 #define AUDIT_MAX_GROUPS      16
  159 
  160 /*
  161  * A number of BSM versions are floating around and defined.  Here are
  162  * constants for them.  OpenBSM uses the same token types, etc, used in the
  163  * Solaris BSM version, but has a separate version number in order to
  164  * identify a potentially different event identifier name space.
  165  */
  166 #define AUDIT_HEADER_VERSION_OLDDARWIN  1       /* In retrospect, a mistake. */
  167 #define AUDIT_HEADER_VERSION_SOLARIS    2
  168 #define AUDIT_HEADER_VERSION_TSOL25     3
  169 #define AUDIT_HEADER_VERSION_TSOL       4
  170 #define AUDIT_HEADER_VERSION_OPENBSM10  10
  171 #define AUDIT_HEADER_VERSION_OPENBSM11  11
  172 #define AUDIT_HEADER_VERSION_OPENBSM    AUDIT_HEADER_VERSION_OPENBSM11
  173 
  174 #define AUT_TRAILER_MAGIC       0xb105
  175 
  176 /* BSM library calls */
  177 
  178 __BEGIN_DECLS
  179 
  180 struct in_addr;
  181 struct in6_addr;
  182 struct ip;
  183 struct ipc_perm;
  184 struct kevent;
  185 struct sockaddr;
  186 struct sockaddr_in;
  187 struct sockaddr_in6;
  188 struct sockaddr_un;
  189 #if defined(_KERNEL) || defined(KERNEL)
  190 struct vnode_au_info;
  191 #endif
  192 
  193 int      au_open(void);
  194 int      au_write(int d, token_t *m);
  195 int      au_close(int d, int keep, short event);
  196 int      au_close_buffer(int d, short event, u_char *buffer, size_t *buflen);
  197 int      au_close_token(token_t *tok, u_char *buffer, size_t *buflen);
  198 
  199 token_t *au_to_file(const char *file, struct timeval tm);
  200 
  201 token_t *au_to_header32_tm(int rec_size, au_event_t e_type, au_emod_t e_mod,
  202             struct timeval tm);
  203 token_t *au_to_header32_ex_tm(int rec_size, au_event_t e_type, au_emod_t e_mod,
  204             struct timeval tm, struct auditinfo_addr *aia);
  205 token_t *au_to_header64_tm(int rec_size, au_event_t e_type, au_emod_t e_mod,
  206             struct timeval tm);
  207 #if !defined(KERNEL) && !defined(_KERNEL)
  208 token_t *au_to_header(int rec_size, au_event_t e_type, au_emod_t e_mod);
  209 token_t *au_to_header_ex(int rec_size, au_event_t e_type, au_emod_t e_mod);
  210 token_t *au_to_header32(int rec_size, au_event_t e_type, au_emod_t e_mod);
  211 token_t *au_to_header64(int rec_size, au_event_t e_type, au_emod_t e_mod);
  212 token_t *au_to_header32_ex(int rec_size, au_event_t e_type, au_emod_t e_mod);
  213 #endif
  214 
  215 token_t *au_to_me(void);
  216 token_t *au_to_arg(char n, const char *text, uint32_t v);
  217 token_t *au_to_arg32(char n, const char *text, uint32_t v);
  218 token_t *au_to_arg64(char n, const char *text, uint64_t v);
  219 
  220 #if defined(_KERNEL) || defined(KERNEL)
  221 token_t *au_to_attr(struct vnode_au_info *vni);
  222 token_t *au_to_attr32(struct vnode_au_info *vni);
  223 token_t *au_to_attr64(struct vnode_au_info *vni);
  224 #endif
  225 
  226 token_t *au_to_data(char unit_print, char unit_type, char unit_count,
  227             const char *p);
  228 token_t *au_to_exit(int retval, int err);
  229 token_t *au_to_groups(int *groups);
  230 token_t *au_to_newgroups(uint16_t n, gid_t *groups);
  231 token_t *au_to_in_addr(struct in_addr *internet_addr);
  232 token_t *au_to_in_addr_ex(struct in6_addr *internet_addr);
  233 token_t *au_to_ip(struct ip *ip);
  234 token_t *au_to_ipc(char type, int id);
  235 token_t *au_to_ipc_perm(struct ipc_perm *perm);
  236 token_t *au_to_iport(uint16_t iport);
  237 token_t *au_to_opaque(const char *data, uint16_t bytes);
  238 token_t *au_to_path(const char *path);
  239 token_t *au_to_privset(char *privtypestr, char *privstr);
  240 token_t *au_to_process(au_id_t auid, uid_t euid, gid_t egid, uid_t ruid,
  241             gid_t rgid, pid_t pid, au_asid_t sid, au_tid_t *tid);
  242 token_t *au_to_process32(au_id_t auid, uid_t euid, gid_t egid, uid_t ruid,
  243             gid_t rgid, pid_t pid, au_asid_t sid, au_tid_t *tid);
  244 token_t *au_to_process64(au_id_t auid, uid_t euid, gid_t egid, uid_t ruid,
  245             gid_t rgid, pid_t pid, au_asid_t sid, au_tid_t *tid);
  246 token_t *au_to_process_ex(au_id_t auid, uid_t euid, gid_t egid, uid_t ruid,
  247             gid_t rgid, pid_t pid, au_asid_t sid, au_tid_addr_t *tid);
  248 token_t *au_to_process32_ex(au_id_t auid, uid_t euid, gid_t egid,
  249             uid_t ruid, gid_t rgid, pid_t pid, au_asid_t sid,
  250             au_tid_addr_t *tid);
  251 token_t *au_to_process64_ex(au_id_t auid, uid_t euid, gid_t egid, uid_t ruid,
  252             gid_t rgid, pid_t pid, au_asid_t sid, au_tid_addr_t *tid);
  253 token_t *au_to_rights(cap_rights_t *rightsp);
  254 token_t *au_to_return(char status, uint32_t ret);
  255 token_t *au_to_return32(char status, uint32_t ret);
  256 token_t *au_to_return64(char status, uint64_t ret);
  257 token_t *au_to_seq(long audit_count);
  258 token_t *au_to_socket_ex(u_short so_domain, u_short so_type,
  259             struct sockaddr *sa_local, struct sockaddr *sa_remote);
  260 token_t *au_to_sock_inet(struct sockaddr_in *so);
  261 token_t *au_to_sock_inet32(struct sockaddr_in *so);
  262 token_t *au_to_sock_inet128(struct sockaddr_in6 *so);
  263 token_t *au_to_sock_unix(struct sockaddr_un *so);
  264 token_t *au_to_subject(au_id_t auid, uid_t euid, gid_t egid, uid_t ruid,
  265             gid_t rgid, pid_t pid, au_asid_t sid, au_tid_t *tid);
  266 token_t *au_to_subject32(au_id_t auid, uid_t euid, gid_t egid, uid_t ruid,
  267             gid_t rgid, pid_t pid, au_asid_t sid, au_tid_t *tid);
  268 token_t *au_to_subject64(au_id_t auid, uid_t euid, gid_t egid, uid_t ruid,
  269             gid_t rgid, pid_t pid, au_asid_t sid, au_tid_t *tid);
  270 token_t *au_to_subject_ex(au_id_t auid, uid_t euid, gid_t egid, uid_t ruid,
  271             gid_t rgid, pid_t pid, au_asid_t sid, au_tid_addr_t *tid);
  272 token_t *au_to_subject32_ex(au_id_t auid, uid_t euid, gid_t egid, uid_t ruid,
  273             gid_t rgid, pid_t pid, au_asid_t sid, au_tid_addr_t *tid);
  274 token_t *au_to_subject64_ex(au_id_t auid, uid_t euid, gid_t egid, uid_t ruid,
  275             gid_t rgid, pid_t pid, au_asid_t sid, au_tid_addr_t *tid);
  276 #if defined(_KERNEL) || defined(KERNEL)
  277 token_t *au_to_exec_args(char *args, int argc);
  278 token_t *au_to_exec_env(char *envs, int envc);
  279 #else
  280 token_t *au_to_exec_args(char **argv);
  281 token_t *au_to_exec_env(char **envp);
  282 #endif
  283 token_t *au_to_text(const char *text);
  284 token_t *au_to_kevent(struct kevent *kev);
  285 token_t *au_to_trailer(int rec_size);
  286 token_t *au_to_upriv(char sorf, char *priv);
  287 token_t *au_to_zonename(const char *zonename);
  288 
  289 /*
  290  * BSM library routines for converting between local and BSM constant spaces.
  291  */
  292 int      au_bsm_to_domain(u_short bsm_domain, int *local_domainp);
  293 int      au_bsm_to_errno(u_char bsm_error, int *errorp);
  294 int      au_bsm_to_fcntl_cmd(u_short bsm_fcntl_cmd, int *local_fcntl_cmdp);
  295 int      au_bsm_to_socket_type(u_short bsm_socket_type,
  296             int *local_socket_typep);
  297 u_short  au_domain_to_bsm(int local_domain);
  298 u_char   au_errno_to_bsm(int local_errno);
  299 u_short  au_fcntl_cmd_to_bsm(int local_fcntl_command);
  300 u_short  au_socket_type_to_bsm(int local_socket_type);
  301 
  302 __END_DECLS
  303 
  304 #endif /* ! _BSM_AUDIT_RECORD_H_ */

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