/* * $Id: cap_file.c,v 1.1 2003/01/03 02:16:17 jwm Exp $ * * Copyright (c) 1997 Andrew G Morgan <morgan@linux.kernel.org> * * See end of file for Log. * * This file deals with setting capabilities on files. */#include "libcap.h"/* * Get the capabilities of an open file, as specified by its file * descriptor. */cap_t cap_get_fd(int fildes){    cap_t result;    /* allocate a new capability set */    result = cap_init();    if (result) {	_cap_debug("getting fildes capabilities");	/* fill the capability sets via a system call */	if (_fgetfilecap(fildes, sizeof(struct __cap_s),			      &result->set[CAP_INHERITABLE],			      &result->set[CAP_PERMITTED],			      &result->set[CAP_EFFECTIVE] )) {	    cap_free(&result);	}    }    return result;}/* * Set the capabilities on a named file. */cap_t cap_get_file(const char *filename){    cap_t result;    /* allocate a new capability set */    result = cap_init();    if (result) {	_cap_debug("getting named file capabilities");	/* fill the capability sets via a system call */	if (_getfilecap(filename, sizeof(struct __cap_s),			     &result->set[CAP_INHERITABLE],			     &result->set[CAP_PERMITTED],			     &result->set[CAP_EFFECTIVE] ))	    cap_free(&result);    }    return result;}/* * Set the capabilities of an open file, as specified by its file * descriptor. */int cap_set_fd(int fildes, cap_t cap_d){    if (!good_cap_t(cap_d)) {	errno = EINVAL;	return -1;    }    _cap_debug("setting fildes capabilities");    return _fsetfilecap(fildes, sizeof(struct __cap_s),			  &cap_d->set[CAP_INHERITABLE],			  &cap_d->set[CAP_PERMITTED],			  &cap_d->set[CAP_EFFECTIVE] );}/* * Set the capabilities of a named file. */int cap_set_file(const char *filename, cap_t cap_d){    if (!good_cap_t(cap_d)) {	errno = EINVAL;	return -1;    }    _cap_debug("setting filename capabilities");    return _setfilecap(filename, sizeof(struct __cap_s),			  &cap_d->set[CAP_INHERITABLE],			  &cap_d->set[CAP_PERMITTED],			  &cap_d->set[CAP_EFFECTIVE] );}/* * $Log: cap_file.c,v $ * Revision 1.1  2003/01/03 02:16:17  jwm * * Turning mod_linuxprivs into a core module, mod_cap. This is by no means * complete. * * Revision 1.1  1999/09/07 23:14:19  macgyver * Updated capabilities library and model. * * Revision 1.1.1.1  1999/04/17 22:16:31  morgan * release 1.0 of libcap * * Revision 1.5  1998/05/24 22:54:09  morgan * updated for 2.1.104 * * Revision 1.4  1997/05/14 05:17:13  morgan * bug-fix from zefram (errno no set on success) * * Revision 1.3  1997/05/04 05:35:46  morgan * fixed errno setting. syscalls do this part * * Revision 1.2  1997/04/28 00:57:11  morgan * fixes and zefram's patches * * Revision 1.1  1997/04/21 04:32:52  morgan * Initial revision * */