/*-

 * Copyright (c) 2014 Michihiro NAKAJIMA

 * 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.

 *

 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``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 AUTHOR(S) 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 "archive_platform.h"

__FBSDID("$FreeBSD$");

#ifdef HAVE_ERRNO_H

#include <errno.h>

#endif

#include "archive_write_private.h"

int

archive_write_set_passphrase(struct archive *_a, const char *p)

{

	struct archive_write *a = (struct archive_write *)_a;

	archive_check_magic(_a, ARCHIVE_WRITE_MAGIC, ARCHIVE_STATE_NEW,

		"archive_write_set_passphrase");

	if (p == NULL || p[0] == '\0') {

		archive_set_error(&a->archive, ARCHIVE_ERRNO_MISC,

		    "Empty passphrase is unacceptable");

		return (ARCHIVE_FAILED);

	}

	free(a->passphrase);

	a->passphrase = strdup(p);

	if (a->passphrase == NULL) {

		archive_set_error(&a->archive, ENOMEM,

		    "Can't allocate data for passphrase");

		return (ARCHIVE_FATAL);

	}

	return (ARCHIVE_OK);

}

int

archive_write_set_passphrase_callback(struct archive *_a, void *client_data,

    archive_passphrase_callback *cb)

{

	struct archive_write *a = (struct archive_write *)_a;

	archive_check_magic(_a, ARCHIVE_WRITE_MAGIC, ARCHIVE_STATE_NEW,

		"archive_write_set_passphrase_callback");

	a->passphrase_callback = cb;

	a->passphrase_client_data = client_data;

	return (ARCHIVE_OK);

}

const char *

__archive_write_get_passphrase(struct archive_write *a)

{

	if (a->passphrase != NULL)

		return (a->passphrase);

	if (a->passphrase_callback != NULL) {

		const char *p;

		p = a->passphrase_callback(&a->archive,

		    a->passphrase_client_data);

		if (p != NULL) {

			a->passphrase = strdup(p);

			if (a->passphrase == NULL) {

				archive_set_error(&a->archive, ENOMEM,

				    "Can't allocate data for passphrase");

				return (NULL);

			}

			return (a->passphrase);

		}

	}

	return (NULL);

}