/*-
 * SPDX-License-Identifier: BSD-3-Clause
 *
 * Copyright (c) 2008-2009 Apple Inc.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1.  Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
 * 2.  Redistributions in binary form must reproduce the above copyright
 *     notice, this list of conditions and the following disclaimer in the
 *     documentation and/or other materials provided with the distribution.
 * 3.  Neither the name of Apple Inc. ("Apple") nor the names of
 *     its contributors may be used to endorse or promote products derived
 *     from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR
 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

#include <sys/param.h>
#include <sys/fcntl.h>

#include <security/audit/audit.h>

#include <bsm/audit_fcntl.h>
#include <bsm/audit_record.h>

struct bsm_fcntl_cmd {
        u_short bfc_bsm_fcntl_cmd;
        int     bfc_local_fcntl_cmd;
};
typedef struct bsm_fcntl_cmd    bsm_fcntl_cmd_t;

static const bsm_fcntl_cmd_t bsm_fcntl_cmdtab[] = {
        { BSM_F_DUPFD,          F_DUPFD },
        { BSM_F_GETFD,          F_GETFD },
        { BSM_F_SETFD,          F_SETFD },
        { BSM_F_GETFL,          F_GETFL },
        { BSM_F_SETFL,          F_SETFL },
#ifdef  F_O_GETLK
        { BSM_F_O_GETLK,        F_O_GETLK },
#endif
        { BSM_F_SETLK,          F_SETLK },
        { BSM_F_SETLKW,         F_SETLK },
#ifdef  F_CHFL
        { BSM_F_CHKFL,          F_CHKFL },
#endif
#ifdef  F_DUP2FD
        { BSM_F_DUP2FD,         F_DUP2FD },
#endif
#ifdef  F_ALLOCSP
        { BSM_F_ALLOCSP,        F_ALLOCSP },
#endif
#ifdef  F_FREESP
        { BSM_F_FREESP,         F_FREESP },
#endif
#ifdef  F_ISSTREAM
        { BSM_F_ISSTREAM,       F_ISSTREAM},
#endif
        { BSM_F_GETLK,          F_GETLK },
#ifdef  F_PRIV
        { BSM_F_PRIV,           F_PRIV },
#endif
#ifdef  F_NPRIV
        { BSM_F_NPRIV,          F_NPRIV },
#endif
#ifdef  F_QUOTACTL
        { BSM_F_QUOTACTL,       F_QUOTACTL },
#endif
#ifdef  F_BLOCKS
        { BSM_F_BLOCKS,         F_BLOCKS },
#endif
#ifdef  F_BLKSIZE
        { BSM_F_BLKSIZE,        F_BLKSIZE },
#endif
        { BSM_F_GETOWN,         F_GETOWN },
        { BSM_F_SETOWN,         F_SETOWN },
#ifdef  F_REVOKE
        { BSM_F_REVOKE,         F_REVOKE },
#endif
#ifdef  F_HASREMOTEBLOCKS
        { BSM_F_HASREMOTEBLOCKS,
                                F_HASREMOTEBLOCKS },
#endif
#ifdef  F_FREESP
        { BSM_F_FREESP,         F_FREESP },
#endif
#ifdef  F_ALLOCSP
        { BSM_F_ALLOCSP,        F_ALLOCSP },
#endif
#ifdef  F_FREESP64
        { BSM_F_FREESP64,       F_FREESP64 },
#endif
#ifdef  F_ALLOCSP64
        { BSM_F_ALLOCSP64,      F_ALLOCSP64 },
#endif
#ifdef  F_GETLK64
        { BSM_F_GETLK64,        F_GETLK64 },
#endif
#ifdef  F_SETLK64
        { BSM_F_SETLK64,        F_SETLK64 },
#endif
#ifdef  F_SETLKW64
        { BSM_F_SETLKW64,       F_SETLKW64 },
#endif
#ifdef  F_SHARE
        { BSM_F_SHARE,          F_SHARE },
#endif
#ifdef  F_UNSHARE
        { BSM_F_UNSHARE,        F_UNSHARE },
#endif
#ifdef  F_SETLK_NBMAND
        { BSM_F_SETLK_NBMAND,   F_SETLK_NBMAND },
#endif
#ifdef  F_SHARE_NBMAND
        { BSM_F_SHARE_NBMAND,   F_SHARE_NBMAND },
#endif
#ifdef  F_SETLK64_NBMAND
        { BSM_F_SETLK64_NBMAND, F_SETLK64_NBMAND },
#endif
#ifdef  F_GETXFL
        { BSM_F_GETXFL,         F_GETXFL },
#endif
#ifdef  F_BADFD
        { BSM_F_BADFD,          F_BADFD },
#endif
#ifdef  F_OGETLK
        { BSM_F_OGETLK,         F_OGETLK },
#endif
#ifdef  F_OSETLK
        { BSM_F_OSETLK,         F_OSETLK },
#endif
#ifdef  F_OSETLKW
        { BSM_F_OSETLKW,        F_OSETLKW },
#endif
#ifdef  F_SETLK_REMOTE
        { BSM_F_SETLK_REMOTE,   F_SETLK_REMOTE },
#endif

#ifdef  F_SETSIG
        { BSM_F_SETSIG,         F_SETSIG },
#endif
#ifdef  F_GETSIG
        { BSM_F_GETSIG,         F_GETSIG },
#endif

#ifdef  F_CHKCLEAN
        { BSM_F_CHKCLEAN,       F_CHKCLEAN },
#endif
#ifdef  F_PREALLOCATE
        { BSM_F_PREALLOCATE,    F_PREALLOCATE },
#endif
#ifdef  F_SETSIZE
        { BSM_F_SETSIZE,        F_SETSIZE },
#endif
#ifdef  F_RDADVISE
        { BSM_F_RDADVISE,       F_RDADVISE },
#endif
#ifdef  F_RDAHEAD
        { BSM_F_RDAHEAD,        F_RDAHEAD },
#endif
#ifdef  F_READBOOTSTRAP
        { BSM_F_READBOOTSTRAP,  F_READBOOTSTRAP },
#endif
#ifdef  F_WRITEBOOTSTRAP
        { BSM_F_WRITEBOOTSTRAP, F_WRITEBOOTSTRAP },
#endif
#ifdef  F_NOCACHE
        { BSM_F_NOCACHE,        F_NOCACHE },
#endif
#ifdef  F_LOG2PHYS
        { BSM_F_LOG2PHYS,       F_LOG2PHYS },
#endif
#ifdef  F_GETPATH
        { BSM_F_GETPATH,        F_GETPATH },
#endif
#ifdef  F_FULLFSYNC
        { BSM_F_FULLFSYNC,      F_FULLFSYNC },
#endif
#ifdef  F_PATHPKG_CHECK
        { BSM_F_PATHPKG_CHECK,  F_PATHPKG_CHECK },
#endif
#ifdef  F_FREEZE_FS
        { BSM_F_FREEZE_FS,      F_FREEZE_FS },
#endif
#ifdef  F_THAW_FS
        { BSM_F_THAW_FS,        F_THAW_FS },
#endif
#ifdef  F_GLOBAL_NOCACHE
        { BSM_F_GLOBAL_NOCACHE, F_GLOBAL_NOCACHE },
#endif
#ifdef  F_OPENFROM
        { BSM_F_OPENFROM,       F_OPENFROM },
#endif
#ifdef  F_UNLINKFROM
        { BSM_F_UNLINKFROM,     F_UNLINKFROM },
#endif
#ifdef  F_CHECK_OPENEVT
        { BSM_F_CHECK_OPENEVT,  F_CHECK_OPENEVT },
#endif
#ifdef  F_ADDSIGS
        { BSM_F_ADDSIGS,        F_ADDSIGS },
#endif
#ifdef  F_MARKDEPENDENCY
        { BSM_F_MARKDEPENDENCY, F_MARKDEPENDENCY },
#endif

#ifdef  FCNTL_FS_SPECIFIC_BASE
        { BSM_F_FS_SPECIFIC_0,  FCNTL_FS_SPECIFIC_BASE},
        { BSM_F_FS_SPECIFIC_1,  FCNTL_FS_SPECIFIC_BASE + 1},
        { BSM_F_FS_SPECIFIC_2,  FCNTL_FS_SPECIFIC_BASE + 2},
        { BSM_F_FS_SPECIFIC_3,  FCNTL_FS_SPECIFIC_BASE + 3},
        { BSM_F_FS_SPECIFIC_4,  FCNTL_FS_SPECIFIC_BASE + 4},
        { BSM_F_FS_SPECIFIC_5,  FCNTL_FS_SPECIFIC_BASE + 5},
        { BSM_F_FS_SPECIFIC_6,  FCNTL_FS_SPECIFIC_BASE + 6},
        { BSM_F_FS_SPECIFIC_7,  FCNTL_FS_SPECIFIC_BASE + 7},
        { BSM_F_FS_SPECIFIC_8,  FCNTL_FS_SPECIFIC_BASE + 8},
        { BSM_F_FS_SPECIFIC_9,  FCNTL_FS_SPECIFIC_BASE + 9},
        { BSM_F_FS_SPECIFIC_10, FCNTL_FS_SPECIFIC_BASE + 10},
        { BSM_F_FS_SPECIFIC_11, FCNTL_FS_SPECIFIC_BASE + 11},
        { BSM_F_FS_SPECIFIC_12, FCNTL_FS_SPECIFIC_BASE + 12},
        { BSM_F_FS_SPECIFIC_13, FCNTL_FS_SPECIFIC_BASE + 13},
        { BSM_F_FS_SPECIFIC_14, FCNTL_FS_SPECIFIC_BASE + 14},
        { BSM_F_FS_SPECIFIC_15, FCNTL_FS_SPECIFIC_BASE + 15},
#endif  /* FCNTL_FS_SPECIFIC_BASE */
};
static const int bsm_fcntl_cmd_count = nitems(bsm_fcntl_cmdtab);

static const bsm_fcntl_cmd_t *
bsm_lookup_local_fcntl_cmd(int local_fcntl_cmd)
{
        int i;

        for (i = 0; i < bsm_fcntl_cmd_count; i++) {
                if (bsm_fcntl_cmdtab[i].bfc_local_fcntl_cmd ==
                    local_fcntl_cmd)
                        return (&bsm_fcntl_cmdtab[i]);
        }
        return (NULL);
}

u_short
au_fcntl_cmd_to_bsm(int local_fcntl_cmd)
{
        const bsm_fcntl_cmd_t *bfcp;

        bfcp = bsm_lookup_local_fcntl_cmd(local_fcntl_cmd);
        if (bfcp == NULL)
                return (BSM_F_UNKNOWN);
        return (bfcp->bfc_bsm_fcntl_cmd);
}

static const bsm_fcntl_cmd_t *
bsm_lookup_bsm_fcntl_cmd(u_short bsm_fcntl_cmd)
{
        int i;

        for (i = 0; i < bsm_fcntl_cmd_count; i++) {
                if (bsm_fcntl_cmdtab[i].bfc_bsm_fcntl_cmd ==
                    bsm_fcntl_cmd)
                        return (&bsm_fcntl_cmdtab[i]);
        }
        return (NULL);
}

int
au_bsm_to_fcntl_cmd(u_short bsm_fcntl_cmd, int *local_fcntl_cmdp)
{
        const bsm_fcntl_cmd_t *bfcp;

        bfcp = bsm_lookup_bsm_fcntl_cmd(bsm_fcntl_cmd);
        if (bfcp == NULL || bfcp->bfc_local_fcntl_cmd)
                return (-1);
        *local_fcntl_cmdp = bfcp->bfc_local_fcntl_cmd;
        return (0);
}