diff options
Diffstat (limited to 'lib/isccc/base64.c')
| -rw-r--r-- | lib/isccc/base64.c | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/lib/isccc/base64.c b/lib/isccc/base64.c new file mode 100644 index 0000000..78b34ed --- /dev/null +++ b/lib/isccc/base64.c @@ -0,0 +1,78 @@ +/* + * Portions Copyright (C) 2004, 2005, 2007 Internet Systems Consortium, Inc. ("ISC") + * Portions Copyright (C) 2001 Internet Software Consortium. + * + * 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. + * + * Portions 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. + */ + +/* $Id: base64.c,v 1.8 2007/08/28 07:20:43 tbox Exp $ */ + +/*! \file */ + +#include <config.h> + +#include <isc/base64.h> +#include <isc/buffer.h> +#include <isc/region.h> +#include <isc/result.h> + +#include <isccc/base64.h> +#include <isccc/result.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 = source->rend - source->rstart; + isc_buffer_init(&tb, target->rstart, 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, 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); +} |