00b67f09dd
Also known as ISC bind. This import adds utilities such as host(1), dig(1), and nslookup(1), as well as many other tools and libraries. Change-Id: I035ca46e64f1965d57019e773f4ff0ef035e4aa3
102 lines
3.0 KiB
C
102 lines
3.0 KiB
C
/* $NetBSD: base64.h,v 1.4 2014/12/10 04:38:00 christos Exp $ */
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/*
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* Copyright (C) 2004-2007 Internet Systems Consortium, Inc. ("ISC")
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* Copyright (C) 1999-2001 Internet Software Consortium.
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
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* REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
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* AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
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* INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
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* LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
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* OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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* PERFORMANCE OF THIS SOFTWARE.
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*/
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/* Id: base64.h,v 1.22 2007/06/19 23:47:18 tbox Exp */
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#ifndef ISC_BASE64_H
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#define ISC_BASE64_H 1
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/*! \file isc/base64.h */
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#include <isc/lang.h>
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#include <isc/types.h>
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ISC_LANG_BEGINDECLS
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/***
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*** Functions
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***/
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isc_result_t
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isc_base64_totext(isc_region_t *source, int wordlength,
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const char *wordbreak, isc_buffer_t *target);
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/*!<
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* \brief Convert data into base64 encoded text.
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*
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* Notes:
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*\li The base64 encoded text in 'target' will be divided into
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* words of at most 'wordlength' characters, separated by
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* the 'wordbreak' string. No parentheses will surround
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* the text.
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*
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* Requires:
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*\li 'source' is a region containing binary data
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*\li 'target' is a text buffer containing available space
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*\li 'wordbreak' points to a null-terminated string of
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* zero or more whitespace characters
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*
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* Ensures:
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*\li target will contain the base64 encoded version of the data
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* in source. The 'used' pointer in target will be advanced as
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* necessary.
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*/
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isc_result_t
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isc_base64_decodestring(const char *cstr, isc_buffer_t *target);
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/*!<
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* \brief Decode a null-terminated base64 string.
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*
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* Requires:
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*\li 'cstr' is non-null.
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*\li 'target' is a valid buffer.
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*
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* Returns:
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*\li #ISC_R_SUCCESS -- the entire decoded representation of 'cstring'
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* fit in 'target'.
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*\li #ISC_R_BADBASE64 -- 'cstr' is not a valid base64 encoding.
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*
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* Other error returns are any possible error code from:
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*\li isc_lex_create(),
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*\li isc_lex_openbuffer(),
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*\li isc_base64_tobuffer().
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*/
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isc_result_t
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isc_base64_tobuffer(isc_lex_t *lexer, isc_buffer_t *target, int length);
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/*!<
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* \brief Convert base64 encoded text from a lexer context into data.
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*
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* Requires:
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*\li 'lex' is a valid lexer context
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*\li 'target' is a buffer containing binary data
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*\li 'length' is an integer
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*
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* Ensures:
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*\li target will contain the data represented by the base64 encoded
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* string parsed by the lexer. No more than length bytes will be read,
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* if length is positive. The 'used' pointer in target will be
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* advanced as necessary.
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*/
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ISC_LANG_ENDDECLS
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#endif /* ISC_BASE64_H */
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