audit_bsm_fcntl.c

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    1 /*-
    2  * Copyright (c) 2008-2009 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  * 1.  Redistributions of source code must retain the above copyright
    9  *     notice, this list of conditions and the following disclaimer.
   10  * 2.  Redistributions in binary form must reproduce the above copyright
   11  *     notice, this list of conditions and the following disclaimer in the
   12  *     documentation and/or other materials provided with the distribution.
   13  * 3.  Neither the name of Apple Inc. ("Apple") nor the names of
   14  *     its contributors may be used to endorse or promote products derived
   15  *     from this software without specific prior written permission.
   16  *
   17  * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND
   18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   20  * ARE DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR
   21  * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
   25  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
   26  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
   27  * POSSIBILITY OF SUCH DAMAGE.
   28  *
   29  * P4: //depot/projects/trustedbsd/openbsm/libbsm/bsm_fcntl.c#2
   30  */
   31 
   32 #include <sys/cdefs.h>
   33 __FBSDID("$FreeBSD$");
   34 
   35 #include <sys/param.h>
   36 #include <sys/fcntl.h>
   37 
   38 #include <security/audit/audit.h>
   39 
   40 #include <bsm/audit_fcntl.h>
   41 #include <bsm/audit_record.h>
   42 
   43 struct bsm_fcntl_cmd {
   44         u_short bfc_bsm_fcntl_cmd;
   45         int     bfc_local_fcntl_cmd;
   46 };
   47 typedef struct bsm_fcntl_cmd    bsm_fcntl_cmd_t;
   48 
   49 static const bsm_fcntl_cmd_t bsm_fcntl_cmdtab[] = {
   50         { BSM_F_DUPFD,          F_DUPFD },
   51         { BSM_F_GETFD,          F_GETFD },
   52         { BSM_F_SETFD,          F_SETFD },
   53         { BSM_F_GETFL,          F_GETFL },
   54         { BSM_F_SETFL,          F_SETFL },
   55 #ifdef  F_O_GETLK
   56         { BSM_F_O_GETLK,        F_O_GETLK },
   57 #endif
   58         { BSM_F_SETLK,          F_SETLK },
   59         { BSM_F_SETLKW,         F_SETLK },
   60 #ifdef  F_CHFL
   61         { BSM_F_CHKFL,          F_CHKFL },
   62 #endif
   63 #ifdef  F_DUP2FD
   64         { BSM_F_DUP2FD,         F_DUP2FD },
   65 #endif
   66 #ifdef  F_ALLOCSP
   67         { BSM_F_ALLOCSP,        F_ALLOCSP },
   68 #endif
   69 #ifdef  F_FREESP
   70         { BSM_F_FREESP,         F_FREESP },
   71 #endif
   72 #ifdef  F_ISSTREAM
   73         { BSM_F_ISSTREAM,       F_ISSTREAM},
   74 #endif
   75         { BSM_F_GETLK,          F_GETLK },
   76 #ifdef  F_PRIV
   77         { BSM_F_PRIV,           F_PRIV },
   78 #endif
   79 #ifdef  F_NPRIV
   80         { BSM_F_NPRIV,          F_NPRIV },
   81 #endif
   82 #ifdef  F_QUOTACTL
   83         { BSM_F_QUOTACTL,       F_QUOTACTL },
   84 #endif
   85 #ifdef  F_BLOCKS
   86         { BSM_F_BLOCKS,         F_BLOCKS },
   87 #endif
   88 #ifdef  F_BLKSIZE
   89         { BSM_F_BLKSIZE,        F_BLKSIZE },
   90 #endif
   91         { BSM_F_GETOWN,         F_GETOWN },
   92         { BSM_F_SETOWN,         F_SETOWN },
   93 #ifdef  F_REVOKE
   94         { BSM_F_REVOKE,         F_REVOKE },
   95 #endif
   96 #ifdef  F_HASREMOTEBLOCKS
   97         { BSM_F_HASREMOTEBLOCKS,
   98                                 F_HASREMOTEBLOCKS },
   99 #endif
  100 #ifdef  F_FREESP
  101         { BSM_F_FREESP,         F_FREESP },
  102 #endif
  103 #ifdef  F_ALLOCSP
  104         { BSM_F_ALLOCSP,        F_ALLOCSP },
  105 #endif
  106 #ifdef  F_FREESP64
  107         { BSM_F_FREESP64,       F_FREESP64 },
  108 #endif
  109 #ifdef  F_ALLOCSP64
  110         { BSM_F_ALLOCSP64,      F_ALLOCSP64 },
  111 #endif
  112 #ifdef  F_GETLK64
  113         { BSM_F_GETLK64,        F_GETLK64 },
  114 #endif
  115 #ifdef  F_SETLK64
  116         { BSM_F_SETLK64,        F_SETLK64 },
  117 #endif
  118 #ifdef  F_SETLKW64
  119         { BSM_F_SETLKW64,       F_SETLKW64 },
  120 #endif
  121 #ifdef  F_SHARE
  122         { BSM_F_SHARE,          F_SHARE },
  123 #endif
  124 #ifdef  F_UNSHARE
  125         { BSM_F_UNSHARE,        F_UNSHARE },
  126 #endif
  127 #ifdef  F_SETLK_NBMAND
  128         { BSM_F_SETLK_NBMAND,   F_SETLK_NBMAND },
  129 #endif
  130 #ifdef  F_SHARE_NBMAND
  131         { BSM_F_SHARE_NBMAND,   F_SHARE_NBMAND },
  132 #endif
  133 #ifdef  F_SETLK64_NBMAND
  134         { BSM_F_SETLK64_NBMAND, F_SETLK64_NBMAND },
  135 #endif
  136 #ifdef  F_GETXFL
  137         { BSM_F_GETXFL,         F_GETXFL },
  138 #endif
  139 #ifdef  F_BADFD
  140         { BSM_F_BADFD,          F_BADFD },
  141 #endif
  142 #ifdef  F_OGETLK
  143         { BSM_F_OGETLK,         F_OGETLK },
  144 #endif
  145 #ifdef  F_OSETLK
  146         { BSM_F_OSETLK,         F_OSETLK },
  147 #endif
  148 #ifdef  F_OSETLKW
  149         { BSM_F_OSETLKW,        F_OSETLKW },
  150 #endif
  151 #ifdef  F_SETLK_REMOTE
  152         { BSM_F_SETLK_REMOTE,   F_SETLK_REMOTE },
  153 #endif
  154 
  155 #ifdef  F_SETSIG
  156         { BSM_F_SETSIG,         F_SETSIG },
  157 #endif
  158 #ifdef  F_GETSIG
  159         { BSM_F_GETSIG,         F_GETSIG },
  160 #endif
  161 
  162 #ifdef  F_CHKCLEAN
  163         { BSM_F_CHKCLEAN,       F_CHKCLEAN },
  164 #endif
  165 #ifdef  F_PREALLOCATE
  166         { BSM_F_PREALLOCATE,    F_PREALLOCATE },
  167 #endif
  168 #ifdef  F_SETSIZE
  169         { BSM_F_SETSIZE,        F_SETSIZE },
  170 #endif
  171 #ifdef  F_RDADVISE
  172         { BSM_F_RDADVISE,       F_RDADVISE },
  173 #endif
  174 #ifdef  F_RDAHEAD
  175         { BSM_F_RDAHEAD,        F_RDAHEAD },
  176 #endif
  177 #ifdef  F_READBOOTSTRAP
  178         { BSM_F_READBOOTSTRAP,  F_READBOOTSTRAP },
  179 #endif
  180 #ifdef  F_WRITEBOOTSTRAP
  181         { BSM_F_WRITEBOOTSTRAP, F_WRITEBOOTSTRAP },
  182 #endif
  183 #ifdef  F_NOCACHE
  184         { BSM_F_NOCACHE,        F_NOCACHE },
  185 #endif
  186 #ifdef  F_LOG2PHYS
  187         { BSM_F_LOG2PHYS,       F_LOG2PHYS },
  188 #endif
  189 #ifdef  F_GETPATH
  190         { BSM_F_GETPATH,        F_GETPATH },
  191 #endif
  192 #ifdef  F_FULLFSYNC
  193         { BSM_F_FULLFSYNC,      F_FULLFSYNC },
  194 #endif
  195 #ifdef  F_PATHPKG_CHECK
  196         { BSM_F_PATHPKG_CHECK,  F_PATHPKG_CHECK },
  197 #endif
  198 #ifdef  F_FREEZE_FS
  199         { BSM_F_FREEZE_FS,      F_FREEZE_FS },
  200 #endif
  201 #ifdef  F_THAW_FS
  202         { BSM_F_THAW_FS,        F_THAW_FS },
  203 #endif
  204 #ifdef  F_GLOBAL_NOCACHE
  205         { BSM_F_GLOBAL_NOCACHE, F_GLOBAL_NOCACHE },
  206 #endif
  207 #ifdef  F_OPENFROM
  208         { BSM_F_OPENFROM,       F_OPENFROM },
  209 #endif
  210 #ifdef  F_UNLINKFROM
  211         { BSM_F_UNLINKFROM,     F_UNLINKFROM },
  212 #endif
  213 #ifdef  F_CHECK_OPENEVT
  214         { BSM_F_CHECK_OPENEVT,  F_CHECK_OPENEVT },
  215 #endif
  216 #ifdef  F_ADDSIGS
  217         { BSM_F_ADDSIGS,        F_ADDSIGS },
  218 #endif
  219 #ifdef  F_MARKDEPENDENCY
  220         { BSM_F_MARKDEPENDENCY, F_MARKDEPENDENCY },
  221 #endif
  222 
  223 #ifdef  FCNTL_FS_SPECIFIC_BASE
  224         { BSM_F_FS_SPECIFIC_0,  FCNTL_FS_SPECIFIC_BASE},
  225         { BSM_F_FS_SPECIFIC_1,  FCNTL_FS_SPECIFIC_BASE + 1},
  226         { BSM_F_FS_SPECIFIC_2,  FCNTL_FS_SPECIFIC_BASE + 2},
  227         { BSM_F_FS_SPECIFIC_3,  FCNTL_FS_SPECIFIC_BASE + 3},
  228         { BSM_F_FS_SPECIFIC_4,  FCNTL_FS_SPECIFIC_BASE + 4},
  229         { BSM_F_FS_SPECIFIC_5,  FCNTL_FS_SPECIFIC_BASE + 5},
  230         { BSM_F_FS_SPECIFIC_6,  FCNTL_FS_SPECIFIC_BASE + 6},
  231         { BSM_F_FS_SPECIFIC_7,  FCNTL_FS_SPECIFIC_BASE + 7},
  232         { BSM_F_FS_SPECIFIC_8,  FCNTL_FS_SPECIFIC_BASE + 8},
  233         { BSM_F_FS_SPECIFIC_9,  FCNTL_FS_SPECIFIC_BASE + 9},
  234         { BSM_F_FS_SPECIFIC_10, FCNTL_FS_SPECIFIC_BASE + 10},
  235         { BSM_F_FS_SPECIFIC_11, FCNTL_FS_SPECIFIC_BASE + 11},
  236         { BSM_F_FS_SPECIFIC_12, FCNTL_FS_SPECIFIC_BASE + 12},
  237         { BSM_F_FS_SPECIFIC_13, FCNTL_FS_SPECIFIC_BASE + 13},
  238         { BSM_F_FS_SPECIFIC_14, FCNTL_FS_SPECIFIC_BASE + 14},
  239         { BSM_F_FS_SPECIFIC_15, FCNTL_FS_SPECIFIC_BASE + 15},
  240 #endif  /* FCNTL_FS_SPECIFIC_BASE */
  241 };
  242 static const int bsm_fcntl_cmd_count = sizeof(bsm_fcntl_cmdtab) /
  243             sizeof(bsm_fcntl_cmdtab[0]);
  244 
  245 static const bsm_fcntl_cmd_t *
  246 bsm_lookup_local_fcntl_cmd(int local_fcntl_cmd)
  247 {
  248         int i;
  249 
  250         for (i = 0; i < bsm_fcntl_cmd_count; i++) {
  251                 if (bsm_fcntl_cmdtab[i].bfc_local_fcntl_cmd ==
  252                     local_fcntl_cmd)
  253                         return (&bsm_fcntl_cmdtab[i]);
  254         }
  255         return (NULL);
  256 }
  257 
  258 u_short
  259 au_fcntl_cmd_to_bsm(int local_fcntl_cmd)
  260 {
  261         const bsm_fcntl_cmd_t *bfcp;
  262 
  263         bfcp = bsm_lookup_local_fcntl_cmd(local_fcntl_cmd);
  264         if (bfcp == NULL)
  265                 return (BSM_F_UNKNOWN);
  266         return (bfcp->bfc_bsm_fcntl_cmd);
  267 }
  268 
  269 static const bsm_fcntl_cmd_t *
  270 bsm_lookup_bsm_fcntl_cmd(u_short bsm_fcntl_cmd)
  271 {
  272         int i;
  273 
  274         for (i = 0; i < bsm_fcntl_cmd_count; i++) {
  275                 if (bsm_fcntl_cmdtab[i].bfc_bsm_fcntl_cmd ==
  276                     bsm_fcntl_cmd)
  277                         return (&bsm_fcntl_cmdtab[i]);
  278         }
  279         return (NULL);
  280 }
  281 
  282 int
  283 au_bsm_to_fcntl_cmd(u_short bsm_fcntl_cmd, int *local_fcntl_cmdp)
  284 {
  285         const bsm_fcntl_cmd_t *bfcp;
  286 
  287         bfcp = bsm_lookup_bsm_fcntl_cmd(bsm_fcntl_cmd);
  288         if (bfcp == NULL || bfcp->bfc_local_fcntl_cmd)
  289                 return (-1);
  290         *local_fcntl_cmdp = bfcp->bfc_local_fcntl_cmd;
  291         return (0);
  292 }

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FreeBSD/Linux Kernel Cross Reference sys/security/audit/audit_bsm_fcntl.c

FreeBSD/Linux Kernel Cross Reference
sys/security/audit/audit_bsm_fcntl.c