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