/*  Copyright (c) 2006 The Regents of the University of Michigan.

 *  All rights reserved.

 *

 *  David M. Richter <richterd@citi.umich.edu>

 *

 *  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 the University 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 ``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 REGENTS 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.

 */

#include <string.h>

#include "libacl_nfs4.h"

/*

 * nfs4_insert_string_aces - read ACE entries from spec string into struct nfs4_acl

 */

int nfs4_insert_string_aces(struct nfs4_acl *acl, const char *acl_spec, unsigned int index)

{

	char *s, *sp, *ssp;

	struct nfs4_ace *ace;

	int res = 0;

	if ((s = sp = strdup(acl_spec)) == NULL)

		goto out_failed;

	while ((ssp = strsep(&sp, ",\t\n\r")) != NULL) {

		if (!strlen(ssp))

			continue;

		if (*ssp == '#')

			continue;

		if ((ace = nfs4_ace_from_string(ssp, acl->is_directory)) == NULL)

			goto out_failed;

		if (nfs4_insert_ace_at(acl, ace, index++)) {

			free(ace);

			goto out_failed;

		}

	}

	if (acl->naces == 0)

		goto out_failed;

out:

	if (s)

		free(s);

	return res;

out_failed:

	res = -1;

	goto out;

}