/* $NetBSD: base64.c,v 1.5.2.1 2024/02/25 15:47:30 martin Exp $ */ /* * 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 #include #include #include #include #include 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); }