bsm_fcntl.c revision 331722
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: stable/11/sys/security/audit/bsm_fcntl.c 331722 2018-03-29 02:50:57Z eadler $"); 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 41struct bsm_fcntl_cmd { 42 u_short bfc_bsm_fcntl_cmd; 43 int bfc_local_fcntl_cmd; 44}; 45typedef struct bsm_fcntl_cmd bsm_fcntl_cmd_t; 46 47static 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}; 240static const int bsm_fcntl_cmd_count = nitems(bsm_fcntl_cmdtab); 241 242static const bsm_fcntl_cmd_t * 243bsm_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 255u_short 256au_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 266static const bsm_fcntl_cmd_t * 267bsm_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 279int 280au_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} 290