audit_bsm_fcntl.c   [plain text]

/*-
 * 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.
 *
 * $P4: //depot/projects/trustedbsd/openbsm/libbsm/bsm_fcntl.c#2 $
 */

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

#include <security/audit/audit.h>

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

#if CONFIG_AUDIT
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  F_BARRIERFSYNC
	{ BSM_F_BARRIERFSYNC, F_BARRIERFSYNC },
#endif
#ifdef  F_PUNCHHOLE
	{ BSM_F_PUNCHHOLE, F_PUNCHHOLE },
#endif
#ifdef  F_TRIM_ACTIVE_FILE
	{ BSM_F_TRIM_ACTIVE_FILE, F_TRIM_ACTIVE_FILE },
#endif
#ifdef  F_SPECULATIVE_READ
	{ BSM_F_SPECULATIVE_READ, F_SPECULATIVE_READ },
#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 = sizeof(bsm_fcntl_cmdtab) /
    sizeof(bsm_fcntl_cmdtab[0]);

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;
}
#endif /* CONFIG_AUDIT */