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/* Dazuko Interface. Interace with Dazuko for file access control.
Written by John Ogness <jogness@antivir.de>
Copyright (C) 2002-2003, H+BEDV Datentechnik GmbH
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 Dazuko 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 THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT OWNER OR 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.
*/
#ifndef DAZUKOIO_H
#define DAZUKOIO_H
#define DAZUKO_FILENAME_MAX_LENGTH 4095
/* event types */
#define ON_OPEN 1
#define ON_CLOSE 2
#define ON_EXEC 4
#define ON_CLOSE_MODIFIED 8
/* various set option commands */
#define SET_ACCESS_MASK 0
#define ADD_INCLUDE_PATH 1
#define ADD_EXCLUDE_PATH 2
#define REGISTER 3
#define REMOVE_ALL_PATHS 4
#define UNREGISTER 5
struct access_t
{
int deny; /* set to deny file access */
int event; /* ON_OPEN, etc */
int o_flags; /* access flags */
int o_mode; /* access mode */
int uid; /* user id */
int pid; /* user process id */
char filename[DAZUKO_FILENAME_MAX_LENGTH + 1]; /* accessed file */
};
struct option_t
{
int command;
int buffer_length;
char buffer[DAZUKO_FILENAME_MAX_LENGTH + 1];
};
struct dazuko_t
{
int device;
int dev_major;
};
/* ioctl values */
#ifdef __FreeBSD__
#define IOCTL_SET_OPTION _IOW('d', 0, struct option_t *)
#define IOCTL_GET_AN_ACCESS _IOW('d', 1, struct access_t *)
#define IOCTL_RETURN_ACCESS _IOW('d', 2, struct access_t *)
#else
#define IOCTL_SET_OPTION 0
#define IOCTL_GET_AN_ACCESS 1
#define IOCTL_RETURN_ACCESS 2
#endif
/* non-thread-safe API */
int dazukoRegister(const char *groupName);
int dazukoSetAccessMask(unsigned long accessMask);
int dazukoAddIncludePath(const char *path);
int dazukoAddExcludePath(const char *path);
int dazukoRemoveAllPaths(void);
int dazukoGetAccess(struct access_t *acc);
int dazukoReturnAccess(struct access_t *acc);
int dazukoUnregister(void);
/* thread-safe API (when each thread has its own "dazuko") */
int dazukoInitialize_TS(struct dazuko_t *dazuko);
int dazukoRegister_TS(struct dazuko_t *dazuko, const char *groupName);
int dazukoSetAccessMask_TS(struct dazuko_t *dazuko, unsigned long accessMask);
int dazukoAddIncludePath_TS(struct dazuko_t *dazuko, const char *path);
int dazukoAddExcludePath_TS(struct dazuko_t *dazuko, const char *path);
int dazukoRemoveAllPaths_TS(struct dazuko_t *dazuko);
int dazukoGetAccess_TS(struct dazuko_t *dazuko, struct access_t *acc);
int dazukoReturnAccess_TS(struct dazuko_t *dazuko, struct access_t *acc);
int dazukoUnregister_TS(struct dazuko_t *dazuko);
#endif
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