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/*
* Copyright (C) Internet Systems Consortium, Inc. ("ISC")
*
* SPDX-License-Identifier: MPL-2.0 AND ISC
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, you can obtain one at https://mozilla.org/MPL/2.0/.
*
* See the COPYRIGHT file distributed with this work for additional
* information regarding copyright ownership.
*/
/*
* Copyright (C) 2001 Nominum, Inc.
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND ISC AND NOMINUM DISCLAIMS ALL
* WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY
* SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
/*! \file */
#include <isc/base64.h>
#include <isc/buffer.h>
#include <isc/region.h>
#include <isc/result.h>
#include <isccc/base64.h>
#include <isccc/util.h>
isc_result_t
isccc_base64_encode(isccc_region_t *source, int wordlength,
const char *wordbreak, isccc_region_t *target) {
isc_region_t sr;
isc_buffer_t tb;
isc_result_t result;
sr.base = source->rstart;
sr.length = (unsigned int)(source->rend - source->rstart);
isc_buffer_init(&tb, target->rstart,
(unsigned int)(target->rend - target->rstart));
result = isc_base64_totext(&sr, wordlength, wordbreak, &tb);
if (result != ISC_R_SUCCESS) {
return (result);
}
source->rstart = source->rend;
target->rstart = isc_buffer_used(&tb);
return (ISC_R_SUCCESS);
}
isc_result_t
isccc_base64_decode(const char *cstr, isccc_region_t *target) {
isc_buffer_t b;
isc_result_t result;
isc_buffer_init(&b, target->rstart,
(unsigned int)(target->rend - target->rstart));
result = isc_base64_decodestring(cstr, &b);
if (result != ISC_R_SUCCESS) {
return (result);
}
target->rstart = isc_buffer_used(&b);
return (ISC_R_SUCCESS);
}
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