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Name	Size	Permission
aes.h	1.05 KB	-rw-r--r--
app.h	10.23 KB	-rw-r--r--
assertions.h	2.84 KB	-rw-r--r--
atomic.h	4.07 KB	-rw-r--r--
backtrace.h	3.8 KB	-rw-r--r--
base32.h	4.35 KB	-rw-r--r--
base64.h	2.8 KB	-rw-r--r--
bind9.h	830 B	-rw-r--r--
boolean.h	594 B	-rw-r--r--
buffer.h	25.65 KB	-rw-r--r--
bufferlist.h	1.42 KB	-rw-r--r--
cmocka.h	1.35 KB	-rw-r--r--
commandline.h	1.67 KB	-rw-r--r--
condition.h	1.44 KB	-rw-r--r--
counter.h	1.88 KB	-rw-r--r--
crc64.h	998 B	-rw-r--r--
deprecated.h	623 B	-rw-r--r--
dir.h	1.56 KB	-rw-r--r--
endian.h	4.67 KB	-rw-r--r--
entropy.h	10.13 KB	-rw-r--r--
errno.h	659 B	-rw-r--r--
errno2result.h	902 B	-rw-r--r--
error.h	1.4 KB	-rw-r--r--
event.h	2.98 KB	-rw-r--r--
eventclass.h	1.35 KB	-rw-r--r--
file.h	11.39 KB	-rw-r--r--
formatcheck.h	893 B	-rw-r--r--
fsaccess.h	7.27 KB	-rw-r--r--
hash.h	7.48 KB	-rw-r--r--
heap.h	5.14 KB	-rw-r--r--
hex.h	2.74 KB	-rw-r--r--
hmacmd5.h	1.75 KB	-rw-r--r--
hmacsha.h	4.41 KB	-rw-r--r--
ht.h	4.29 KB	-rw-r--r--
httpd.h	2.26 KB	-rw-r--r--
int.h	1.06 KB	-rw-r--r--
interfaceiter.h	3.05 KB	-rw-r--r--
iterated_hash.h	1.02 KB	-rw-r--r--
json.h	1.42 KB	-rw-r--r--
keyboard.h	989 B	-rw-r--r--
lang.h	637 B	-rw-r--r--
lex.h	9.54 KB	-rw-r--r--
lfsr.h	2.89 KB	-rw-r--r--
lib.h	1.04 KB	-rw-r--r--
likely.h	818 B	-rw-r--r--
list.h	5.62 KB	-rw-r--r--
log.h	28.06 KB	-rw-r--r--
magic.h	994 B	-rw-r--r--
md5.h	2.32 KB	-rw-r--r--
mem.h	20.62 KB	-rw-r--r--
meminfo.h	710 B	-rw-r--r--
msgcat.h	2.66 KB	-rw-r--r--
msgs.h	8.22 KB	-rw-r--r--
mutex.h	3.44 KB	-rw-r--r--
mutexblock.h	1.34 KB	-rw-r--r--
net.h	10.29 KB	-rw-r--r--
netaddr.h	4.48 KB	-rw-r--r--
netdb.h	863 B	-rw-r--r--
netscope.h	967 B	-rw-r--r--
offset.h	700 B	-rw-r--r--
once.h	983 B	-rw-r--r--
ondestroy.h	2.73 KB	-rw-r--r--
os.h	671 B	-rw-r--r--
parseint.h	1.51 KB	-rw-r--r--
platform.h	9.49 KB	-rw-r--r--
pool.h	3.42 KB	-rw-r--r--
portset.h	3.22 KB	-rw-r--r--
print.h	2.42 KB	-rw-r--r--
queue.h	5.08 KB	-rw-r--r--
quota.h	2.38 KB	-rw-r--r--
radix.h	6.34 KB	-rw-r--r--
random.h	3.5 KB	-rw-r--r--
ratelimiter.h	3.42 KB	-rw-r--r--
refcount.h	8 KB	-rw-r--r--
regex.h	767 B	-rw-r--r--
region.h	1.99 KB	-rw-r--r--
resource.h	2.79 KB	-rw-r--r--
result.h	4.87 KB	-rw-r--r--
resultclass.h	1.56 KB	-rw-r--r--
rwlock.h	3.72 KB	-rw-r--r--
safe.h	1.32 KB	-rw-r--r--
serial.h	1.34 KB	-rw-r--r--
sha1.h	1.52 KB	-rw-r--r--
sha2.h	5.6 KB	-rw-r--r--
siphash.h	734 B	-rw-r--r--
sockaddr.h	5.9 KB	-rw-r--r--
socket.h	35.8 KB	-rw-r--r--
stat.h	806 B	-rw-r--r--
stats.h	3.62 KB	-rw-r--r--
stdatomic.h	5.13 KB	-rw-r--r--
stdio.h	1.75 KB	-rw-r--r--
stdlib.h	704 B	-rw-r--r--
stdtime.h	1.04 KB	-rw-r--r--
strerror.h	777 B	-rw-r--r--
string.h	5.88 KB	-rw-r--r--
symtab.h	4.22 KB	-rw-r--r--
syslog.h	844 B	-rw-r--r--
task.h	21.04 KB	-rw-r--r--
taskpool.h	3.62 KB	-rw-r--r--
thread.h	1.47 KB	-rw-r--r--
time.h	8.67 KB	-rw-r--r--
timer.h	10.54 KB	-rw-r--r--
tm.h	895 B	-rw-r--r--
types.h	5.64 KB	-rw-r--r--
utf8.h	928 B	-rw-r--r--
util.h	10.29 KB	-rw-r--r--
version.h	689 B	-rw-r--r--
xml.h	1.07 KB	-rw-r--r--

Code Editor : base32.h

/*
 * Copyright (C) Internet Systems Consortium, Inc. ("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.
 */

#ifndef ISC_BASE32_H
#define ISC_BASE32_H 1

/*! \file */

/*
 * Routines for manipulating base 32 and base 32 hex encoded data.
 * Based on RFC 4648.
 *
 * Base 32 hex preserves the sort order of data when it is encoded /
 * decoded.
 *
 * Base 32 hex "np" is base 32 hex but no padding is produced or accepted.
 */

#include <isc/lang.h>
#include <isc/types.h>

ISC_LANG_BEGINDECLS

/***
 *** Functions
 ***/

isc_result_t
isc_base32_totext(isc_region_t *source, int wordlength,
		  const char *wordbreak, isc_buffer_t *target);
isc_result_t
isc_base32hex_totext(isc_region_t *source, int wordlength,
		     const char *wordbreak, isc_buffer_t *target);
isc_result_t
isc_base32hexnp_totext(isc_region_t *source, int wordlength,
		       const char *wordbreak, isc_buffer_t *target);
/*!<
 * \brief Convert data into base32 encoded text.
 *
 * Notes:
 *\li	The base32 encoded text in 'target' will be divided into
 *	words of at most 'wordlength' characters, separated by
 * 	the 'wordbreak' string.  No parentheses will surround
 *	the text.
 *
 * Requires:
 *\li	'source' is a region containing binary data
 *\li	'target' is a text buffer containing available space
 *\li	'wordbreak' points to a null-terminated string of
 *		zero or more whitespace characters
 *
 * Ensures:
 *\li	target will contain the base32 encoded version of the data
 *	in source.  The 'used' pointer in target will be advanced as
 *	necessary.
 */

isc_result_t
isc_base32_decodestring(const char *cstr, isc_buffer_t *target);
isc_result_t
isc_base32hex_decodestring(const char *cstr, isc_buffer_t *target);
isc_result_t
isc_base32hexnp_decodestring(const char *cstr, isc_buffer_t *target);
/*!<
 * \brief Decode a null-terminated string in base32, base32hex, or
 * base32hex non-padded.
 *
 * Requires:
 *\li	'cstr' is non-null.
 *\li	'target' is a valid buffer.
 *
 * Returns:
 *\li	#ISC_R_SUCCESS	-- the entire decoded representation of 'cstring'
 *			   fit in 'target'.
 *\li	#ISC_R_BADBASE32 -- 'cstr' is not a valid base32 encoding.
 *
 * 	Other error returns are any possible error code from:
 *\li		isc_lex_create(),
 *\li		isc_lex_openbuffer(),
 *\li		isc_base32_tobuffer().
 */

isc_result_t
isc_base32_tobuffer(isc_lex_t *lexer, isc_buffer_t *target, int length);
isc_result_t
isc_base32hex_tobuffer(isc_lex_t *lexer, isc_buffer_t *target, int length);
isc_result_t
isc_base32hexnp_tobuffer(isc_lex_t *lexer, isc_buffer_t *target, int length);
/*!<
 * \brief Convert text encoded in base32, base32hex, or base32hex
 * non-padded from a lexer context into `target`. If 'length' is
 * non-negative, it is the expected number of encoded octets to convert.
 *
 * If 'length' is -1 then 0 or more encoded octets are expected.
 * If 'length' is -2 then 1 or more encoded octets are expected.
 *
 * Returns:
 *\li	#ISC_R_BADBASE32 -- invalid base32 encoding.
 *\li	#ISC_R_UNEXPECTEDEND: the text does not contain the expected
 *			      number of encoded octets.
 *
 * Requires:
 *\li	'lexer' is a valid lexer context
 *\li	'target' is a buffer containing binary data
 *\li	'length' is -2, -1, or non-negative
 *
 * Ensures:
 *\li	target will contain the data represented by the base32 encoded
 *	string parsed by the lexer.  No more than `length` octets will
 *	be read, if `length` is non-negative.  The 'used' pointer in
 *	'target' will be advanced as necessary.
 */

isc_result_t
isc_base32_decoderegion(isc_region_t *source, isc_buffer_t *target);
isc_result_t
isc_base32hex_decoderegion(isc_region_t *source, isc_buffer_t *target);
isc_result_t
isc_base32hexnp_decoderegion(isc_region_t *source, isc_buffer_t *target);
/*!<
 * \brief Decode a packed (no white space permitted) region in
 * base32, base32hex or base32hex non-padded.
 *
 * Requires:
 *\li   'source' is a valid region.
 *\li   'target' is a valid buffer.
 *
 * Returns:
 *\li   #ISC_R_SUCCESS  -- the entire decoded representation of 'cstring'
 *                         fit in 'target'.
 *\li   #ISC_R_BADBASE32 -- 'source' is not a valid base32 encoding.
 */

ISC_LANG_ENDDECLS

#endif /* ISC_BASE32_H */

${this.title}

Code Editor : base32.h