The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/security/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 
   30 #include <sys/cdefs.h>
   31 __FBSDID("$FreeBSD: releng/11.0/sys/security/audit/bsm_fcntl.c 298431 2016-04-21 19:40:10Z pfg $");
   32 
   33 #include <sys/param.h>
   34 #include <sys/fcntl.h>
   35 
   36 #include <security/audit/audit.h>
   37 
   38 #include <bsm/audit_fcntl.h>
   39 #include <bsm/audit_record.h>
   40 
   41 struct bsm_fcntl_cmd {
   42         u_short bfc_bsm_fcntl_cmd;
   43         int     bfc_local_fcntl_cmd;
   44 };
   45 typedef struct bsm_fcntl_cmd    bsm_fcntl_cmd_t;
   46 
   47 static const bsm_fcntl_cmd_t bsm_fcntl_cmdtab[] = {
   48         { BSM_F_DUPFD,          F_DUPFD },
   49         { BSM_F_GETFD,          F_GETFD },
   50         { BSM_F_SETFD,          F_SETFD },
   51         { BSM_F_GETFL,          F_GETFL },
   52         { BSM_F_SETFL,          F_SETFL },
   53 #ifdef  F_O_GETLK
   54         { BSM_F_O_GETLK,        F_O_GETLK },
   55 #endif
   56         { BSM_F_SETLK,          F_SETLK },
   57         { BSM_F_SETLKW,         F_SETLK },
   58 #ifdef  F_CHFL
   59         { BSM_F_CHKFL,          F_CHKFL },
   60 #endif
   61 #ifdef  F_DUP2FD
   62         { BSM_F_DUP2FD,         F_DUP2FD },
   63 #endif
   64 #ifdef  F_ALLOCSP
   65         { BSM_F_ALLOCSP,        F_ALLOCSP },
   66 #endif
   67 #ifdef  F_FREESP
   68         { BSM_F_FREESP,         F_FREESP },
   69 #endif
   70 #ifdef  F_ISSTREAM
   71         { BSM_F_ISSTREAM,       F_ISSTREAM},
   72 #endif
   73         { BSM_F_GETLK,          F_GETLK },
   74 #ifdef  F_PRIV
   75         { BSM_F_PRIV,           F_PRIV },
   76 #endif
   77 #ifdef  F_NPRIV
   78         { BSM_F_NPRIV,          F_NPRIV },
   79 #endif
   80 #ifdef  F_QUOTACTL
   81         { BSM_F_QUOTACTL,       F_QUOTACTL },
   82 #endif
   83 #ifdef  F_BLOCKS
   84         { BSM_F_BLOCKS,         F_BLOCKS },
   85 #endif
   86 #ifdef  F_BLKSIZE
   87         { BSM_F_BLKSIZE,        F_BLKSIZE },
   88 #endif
   89         { BSM_F_GETOWN,         F_GETOWN },
   90         { BSM_F_SETOWN,         F_SETOWN },
   91 #ifdef  F_REVOKE
   92         { BSM_F_REVOKE,         F_REVOKE },
   93 #endif
   94 #ifdef  F_HASREMOTEBLOCKS
   95         { BSM_F_HASREMOTEBLOCKS,
   96                                 F_HASREMOTEBLOCKS },
   97 #endif
   98 #ifdef  F_FREESP
   99         { BSM_F_FREESP,         F_FREESP },
  100 #endif
  101 #ifdef  F_ALLOCSP
  102         { BSM_F_ALLOCSP,        F_ALLOCSP },
  103 #endif
  104 #ifdef  F_FREESP64
  105         { BSM_F_FREESP64,       F_FREESP64 },
  106 #endif
  107 #ifdef  F_ALLOCSP64
  108         { BSM_F_ALLOCSP64,      F_ALLOCSP64 },
  109 #endif
  110 #ifdef  F_GETLK64
  111         { BSM_F_GETLK64,        F_GETLK64 },
  112 #endif
  113 #ifdef  F_SETLK64
  114         { BSM_F_SETLK64,        F_SETLK64 },
  115 #endif
  116 #ifdef  F_SETLKW64
  117         { BSM_F_SETLKW64,       F_SETLKW64 },
  118 #endif
  119 #ifdef  F_SHARE
  120         { BSM_F_SHARE,          F_SHARE },
  121 #endif
  122 #ifdef  F_UNSHARE
  123         { BSM_F_UNSHARE,        F_UNSHARE },
  124 #endif
  125 #ifdef  F_SETLK_NBMAND
  126         { BSM_F_SETLK_NBMAND,   F_SETLK_NBMAND },
  127 #endif
  128 #ifdef  F_SHARE_NBMAND
  129         { BSM_F_SHARE_NBMAND,   F_SHARE_NBMAND },
  130 #endif
  131 #ifdef  F_SETLK64_NBMAND
  132         { BSM_F_SETLK64_NBMAND, F_SETLK64_NBMAND },
  133 #endif
  134 #ifdef  F_GETXFL
  135         { BSM_F_GETXFL,         F_GETXFL },
  136 #endif
  137 #ifdef  F_BADFD
  138         { BSM_F_BADFD,          F_BADFD },
  139 #endif
  140 #ifdef  F_OGETLK
  141         { BSM_F_OGETLK,         F_OGETLK },
  142 #endif
  143 #ifdef  F_OSETLK
  144         { BSM_F_OSETLK,         F_OSETLK },
  145 #endif
  146 #ifdef  F_OSETLKW
  147         { BSM_F_OSETLKW,        F_OSETLKW },
  148 #endif
  149 #ifdef  F_SETLK_REMOTE
  150         { BSM_F_SETLK_REMOTE,   F_SETLK_REMOTE },
  151 #endif
  152 
  153 #ifdef  F_SETSIG
  154         { BSM_F_SETSIG,         F_SETSIG },
  155 #endif
  156 #ifdef  F_GETSIG
  157         { BSM_F_GETSIG,         F_GETSIG },
  158 #endif
  159 
  160 #ifdef  F_CHKCLEAN
  161         { BSM_F_CHKCLEAN,       F_CHKCLEAN },
  162 #endif
  163 #ifdef  F_PREALLOCATE
  164         { BSM_F_PREALLOCATE,    F_PREALLOCATE },
  165 #endif
  166 #ifdef  F_SETSIZE
  167         { BSM_F_SETSIZE,        F_SETSIZE },
  168 #endif
  169 #ifdef  F_RDADVISE
  170         { BSM_F_RDADVISE,       F_RDADVISE },
  171 #endif
  172 #ifdef  F_RDAHEAD
  173         { BSM_F_RDAHEAD,        F_RDAHEAD },
  174 #endif
  175 #ifdef  F_READBOOTSTRAP
  176         { BSM_F_READBOOTSTRAP,  F_READBOOTSTRAP },
  177 #endif
  178 #ifdef  F_WRITEBOOTSTRAP
  179         { BSM_F_WRITEBOOTSTRAP, F_WRITEBOOTSTRAP },
  180 #endif
  181 #ifdef  F_NOCACHE
  182         { BSM_F_NOCACHE,        F_NOCACHE },
  183 #endif
  184 #ifdef  F_LOG2PHYS
  185         { BSM_F_LOG2PHYS,       F_LOG2PHYS },
  186 #endif
  187 #ifdef  F_GETPATH
  188         { BSM_F_GETPATH,        F_GETPATH },
  189 #endif
  190 #ifdef  F_FULLFSYNC
  191         { BSM_F_FULLFSYNC,      F_FULLFSYNC },
  192 #endif
  193 #ifdef  F_PATHPKG_CHECK
  194         { BSM_F_PATHPKG_CHECK,  F_PATHPKG_CHECK },
  195 #endif
  196 #ifdef  F_FREEZE_FS
  197         { BSM_F_FREEZE_FS,      F_FREEZE_FS },
  198 #endif
  199 #ifdef  F_THAW_FS
  200         { BSM_F_THAW_FS,        F_THAW_FS },
  201 #endif
  202 #ifdef  F_GLOBAL_NOCACHE
  203         { BSM_F_GLOBAL_NOCACHE, F_GLOBAL_NOCACHE },
  204 #endif
  205 #ifdef  F_OPENFROM
  206         { BSM_F_OPENFROM,       F_OPENFROM },
  207 #endif
  208 #ifdef  F_UNLINKFROM
  209         { BSM_F_UNLINKFROM,     F_UNLINKFROM },
  210 #endif
  211 #ifdef  F_CHECK_OPENEVT
  212         { BSM_F_CHECK_OPENEVT,  F_CHECK_OPENEVT },
  213 #endif
  214 #ifdef  F_ADDSIGS
  215         { BSM_F_ADDSIGS,        F_ADDSIGS },
  216 #endif
  217 #ifdef  F_MARKDEPENDENCY
  218         { BSM_F_MARKDEPENDENCY, F_MARKDEPENDENCY },
  219 #endif
  220 
  221 #ifdef  FCNTL_FS_SPECIFIC_BASE
  222         { BSM_F_FS_SPECIFIC_0,  FCNTL_FS_SPECIFIC_BASE},
  223         { BSM_F_FS_SPECIFIC_1,  FCNTL_FS_SPECIFIC_BASE + 1},
  224         { BSM_F_FS_SPECIFIC_2,  FCNTL_FS_SPECIFIC_BASE + 2},
  225         { BSM_F_FS_SPECIFIC_3,  FCNTL_FS_SPECIFIC_BASE + 3},
  226         { BSM_F_FS_SPECIFIC_4,  FCNTL_FS_SPECIFIC_BASE + 4},
  227         { BSM_F_FS_SPECIFIC_5,  FCNTL_FS_SPECIFIC_BASE + 5},
  228         { BSM_F_FS_SPECIFIC_6,  FCNTL_FS_SPECIFIC_BASE + 6},
  229         { BSM_F_FS_SPECIFIC_7,  FCNTL_FS_SPECIFIC_BASE + 7},
  230         { BSM_F_FS_SPECIFIC_8,  FCNTL_FS_SPECIFIC_BASE + 8},
  231         { BSM_F_FS_SPECIFIC_9,  FCNTL_FS_SPECIFIC_BASE + 9},
  232         { BSM_F_FS_SPECIFIC_10, FCNTL_FS_SPECIFIC_BASE + 10},
  233         { BSM_F_FS_SPECIFIC_11, FCNTL_FS_SPECIFIC_BASE + 11},
  234         { BSM_F_FS_SPECIFIC_12, FCNTL_FS_SPECIFIC_BASE + 12},
  235         { BSM_F_FS_SPECIFIC_13, FCNTL_FS_SPECIFIC_BASE + 13},
  236         { BSM_F_FS_SPECIFIC_14, FCNTL_FS_SPECIFIC_BASE + 14},
  237         { BSM_F_FS_SPECIFIC_15, FCNTL_FS_SPECIFIC_BASE + 15},
  238 #endif  /* FCNTL_FS_SPECIFIC_BASE */
  239 };
  240 static const int bsm_fcntl_cmd_count = nitems(bsm_fcntl_cmdtab);
  241 
  242 static const bsm_fcntl_cmd_t *
  243 bsm_lookup_local_fcntl_cmd(int local_fcntl_cmd)
  244 {
  245         int i;
  246 
  247         for (i = 0; i < bsm_fcntl_cmd_count; i++) {
  248                 if (bsm_fcntl_cmdtab[i].bfc_local_fcntl_cmd ==
  249                     local_fcntl_cmd)
  250                         return (&bsm_fcntl_cmdtab[i]);
  251         }
  252         return (NULL);
  253 }
  254 
  255 u_short
  256 au_fcntl_cmd_to_bsm(int local_fcntl_cmd)
  257 {
  258         const bsm_fcntl_cmd_t *bfcp;
  259 
  260         bfcp = bsm_lookup_local_fcntl_cmd(local_fcntl_cmd);
  261         if (bfcp == NULL)
  262                 return (BSM_F_UNKNOWN);
  263         return (bfcp->bfc_bsm_fcntl_cmd);
  264 }
  265 
  266 static const bsm_fcntl_cmd_t *
  267 bsm_lookup_bsm_fcntl_cmd(u_short bsm_fcntl_cmd)
  268 {
  269         int i;
  270 
  271         for (i = 0; i < bsm_fcntl_cmd_count; i++) {
  272                 if (bsm_fcntl_cmdtab[i].bfc_bsm_fcntl_cmd ==
  273                     bsm_fcntl_cmd)
  274                         return (&bsm_fcntl_cmdtab[i]);
  275         }
  276         return (NULL);
  277 }
  278 
  279 int
  280 au_bsm_to_fcntl_cmd(u_short bsm_fcntl_cmd, int *local_fcntl_cmdp)
  281 {
  282         const bsm_fcntl_cmd_t *bfcp;
  283 
  284         bfcp = bsm_lookup_bsm_fcntl_cmd(bsm_fcntl_cmd);
  285         if (bfcp == NULL || bfcp->bfc_local_fcntl_cmd)
  286                 return (-1);
  287         *local_fcntl_cmdp = bfcp->bfc_local_fcntl_cmd;
  288         return (0);
  289 }

Cache object: 83a789250e1df790b8ae91cb32fe8088


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