1 files changed, 0 insertions, 373 deletions
diff --git a/contrib/bind9/lib/isc/base32.c b/contrib/bind9/lib/isc/base32.c
deleted file mode 100644
index d25e3c4..0000000
--- a/contrib/bind9/lib/isc/base32.c
+++ /dev/null
@@ -1,373 +0,0 @@
-/*
- * Copyright (C) 2008, 2009  Internet Systems Consortium, Inc. ("ISC")
- *
- * 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 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: base32.c,v 1.6 2009/10/21 01:22:29 each Exp $ */
-
-/*! \file */
-
-#include <config.h>
-
-#include <isc/base32.h>
-#include <isc/buffer.h>
-#include <isc/lex.h>
-#include <isc/region.h>
-#include <isc/string.h>
-#include <isc/util.h>
-
-#define RETERR(x) do { \
-	isc_result_t _r = (x); \
-	if (_r != ISC_R_SUCCESS) \
-		return (_r); \
-	} while (0)
-
-
-/*@{*/
-/*!
- * These static functions are also present in lib/dns/rdata.c.  I'm not
- * sure where they should go. -- bwelling
- */
-static isc_result_t
-str_totext(const char *source, isc_buffer_t *target);
-
-static isc_result_t
-mem_tobuffer(isc_buffer_t *target, void *base, unsigned int length);
-
-/*@}*/
-
-static const char base32[] =
-	 "ABCDEFGHIJKLMNOPQRSTUVWXYZ234567=abcdefghijklmnopqrstuvwxyz234567";
-static const char base32hex[] =
-	"0123456789ABCDEFGHIJKLMNOPQRSTUV=0123456789abcdefghijklmnopqrstuv";
-
-static isc_result_t
-base32_totext(isc_region_t *source, int wordlength, const char *wordbreak,
-	      isc_buffer_t *target, const char base[])
-{
-	char buf[9];
-	unsigned int loops = 0;
-
-	if (wordlength >= 0 && wordlength < 8)
-		wordlength = 8;
-
-	memset(buf, 0, sizeof(buf));
-	while (source->length > 0) {
-		buf[0] = base[((source->base[0]>>3)&0x1f)];	/* 5 + */
-		if (source->length == 1) {
-			buf[1] = base[(source->base[0]<<2)&0x1c];
-			buf[2] = buf[3] = buf[4] = '=';
-			buf[5] = buf[6] = buf[7] = '=';
-			RETERR(str_totext(buf, target));
-			break;
-		}
-		buf[1] = base[((source->base[0]<<2)&0x1c)|	/* 3 = 8 */
-			      ((source->base[1]>>6)&0x03)];	/* 2 + */
-		buf[2] = base[((source->base[1]>>1)&0x1f)];	/* 5 + */
-		if (source->length == 2) {
-			buf[3] = base[(source->base[1]<<4)&0x10];
-			buf[4] = buf[5] = buf[6] = buf[7] = '=';
-			RETERR(str_totext(buf, target));
-			break;
-		}
-		buf[3] = base[((source->base[1]<<4)&0x10)|	/* 1 = 8 */
-			      ((source->base[2]>>4)&0x0f)];	/* 4 + */
-		if (source->length == 3) {
-			buf[4] = base[(source->base[2]<<1)&0x1e];
-			buf[5] = buf[6] = buf[7] = '=';
-			RETERR(str_totext(buf, target));
-			break;
-		}
-		buf[4] = base[((source->base[2]<<1)&0x1e)|	/* 4 = 8 */
-			      ((source->base[3]>>7)&0x01)];	/* 1 + */
-		buf[5] = base[((source->base[3]>>2)&0x1f)];	/* 5 + */
-		if (source->length == 4) {
-			buf[6] = base[(source->base[3]<<3)&0x18];
-			buf[7] = '=';
-			RETERR(str_totext(buf, target));
-			break;
-		}
-		buf[6] = base[((source->base[3]<<3)&0x18)|	/* 2 = 8 */
-			      ((source->base[4]>>5)&0x07)];	/* 3 + */
-		buf[7] = base[source->base[4]&0x1f];		/* 5 = 8 */
-		RETERR(str_totext(buf, target));
-		isc_region_consume(source, 5);
-
-		loops++;
-		if (source->length != 0 && wordlength >= 0 &&
-		    (int)((loops + 1) * 8) >= wordlength)
-		{
-			loops = 0;
-			RETERR(str_totext(wordbreak, target));
-		}
-	}
-	if (source->length > 0)
-		isc_region_consume(source, source->length);
-	return (ISC_R_SUCCESS);
-}
-
-isc_result_t
-isc_base32_totext(isc_region_t *source, int wordlength,
-		  const char *wordbreak, isc_buffer_t *target)
-{
-	return (base32_totext(source, wordlength, wordbreak, target, base32));
-}
-
-isc_result_t
-isc_base32hex_totext(isc_region_t *source, int wordlength,
-		     const char *wordbreak, isc_buffer_t *target)
-{
-	return (base32_totext(source, wordlength, wordbreak, target,
-			      base32hex));
-}
-
-/*%
- * State of a base32 decoding process in progress.
- */
-typedef struct {
-	int length;		/*%< Desired length of binary data or -1 */
-	isc_buffer_t *target;	/*%< Buffer for resulting binary data */
-	int digits;		/*%< Number of buffered base32 digits */
-	isc_boolean_t seen_end;	/*%< True if "=" end marker seen */
-	int val[8];
-	const char *base;	/*%< Which encoding we are using */
-	int seen_32;		/*%< Number of significant bytes if non zero */
-} base32_decode_ctx_t;
-
-static inline void
-base32_decode_init(base32_decode_ctx_t *ctx, int length,
-		   const char base[], isc_buffer_t *target)
-{
-	ctx->digits = 0;
-	ctx->seen_end = ISC_FALSE;
-	ctx->seen_32 = 0;
-	ctx->length = length;
-	ctx->target = target;
-	ctx->base = base;
-}
-
-static inline isc_result_t
-base32_decode_char(base32_decode_ctx_t *ctx, int c) {
-	char *s;
-	unsigned int last;
-
-	if (ctx->seen_end)
-		return (ISC_R_BADBASE32);
-	if ((s = strchr(ctx->base, c)) == NULL)
-		return (ISC_R_BADBASE32);
-	last = s - ctx->base;
-	/*
-	 * Handle lower case.
-	 */
-	if (last > 32)
-		last -= 33;
-	/*
-	 * Check that padding is contiguous.
-	 */
-	if (last != 32 && ctx->seen_32 != 0)
-		return (ISC_R_BADBASE32);
-	/*
-	 * Check that padding starts at the right place and that
-	 * bits that should be zero are.
-	 * Record how many significant bytes in answer (seen_32).
-	 */
-	if (last == 32 && ctx->seen_32 == 0)
-		switch (ctx->digits) {
-		case 0:
-		case 1:
-			return (ISC_R_BADBASE32);
-		case 2:
-			if ((ctx->val[1]&0x03) != 0)
-				return (ISC_R_BADBASE32);
-			ctx->seen_32 = 1;
-			break;
-		case 3:
-			return (ISC_R_BADBASE32);
-		case 4:
-			if ((ctx->val[3]&0x0f) != 0)
-				return (ISC_R_BADBASE32);
-			ctx->seen_32 = 3;
-			break;
-		case 5:
-			if ((ctx->val[4]&0x01) != 0)
-				return (ISC_R_BADBASE32);
-			ctx->seen_32 = 3;
-			break;
-		case 6:
-			return (ISC_R_BADBASE32);
-		case 7:
-			if ((ctx->val[6]&0x07) != 0)
-				return (ISC_R_BADBASE32);
-			ctx->seen_32 = 4;
-			break;
-		}
-	/*
-	 * Zero fill pad values.
-	 */
-	ctx->val[ctx->digits++] = (last == 32) ? 0 : last;
-
-	if (ctx->digits == 8) {
-		int n = 5;
-		unsigned char buf[5];
-
-		if (ctx->seen_32 != 0) {
-			ctx->seen_end = ISC_TRUE;
-			n = ctx->seen_32;
-		}
-		buf[0] = (ctx->val[0]<<3)|(ctx->val[1]>>2);
-		buf[1] = (ctx->val[1]<<6)|(ctx->val[2]<<1)|(ctx->val[3]>>4);
-		buf[2] = (ctx->val[3]<<4)|(ctx->val[4]>>1);
-		buf[3] = (ctx->val[4]<<7)|(ctx->val[5]<<2)|(ctx->val[6]>>3);
-		buf[4] = (ctx->val[6]<<5)|(ctx->val[7]);
-		RETERR(mem_tobuffer(ctx->target, buf, n));
-		if (ctx->length >= 0) {
-			if (n > ctx->length)
-				return (ISC_R_BADBASE32);
-			else
-				ctx->length -= n;
-		}
-		ctx->digits = 0;
-	}
-	return (ISC_R_SUCCESS);
-}
-
-static inline isc_result_t
-base32_decode_finish(base32_decode_ctx_t *ctx) {
-	if (ctx->length > 0)
-		return (ISC_R_UNEXPECTEDEND);
-	if (ctx->digits != 0)
-		return (ISC_R_BADBASE32);
-	return (ISC_R_SUCCESS);
-}
-
-static isc_result_t
-base32_tobuffer(isc_lex_t *lexer, const char base[], isc_buffer_t *target,
-		int length)
-{
-	base32_decode_ctx_t ctx;
-	isc_textregion_t *tr;
-	isc_token_t token;
-	isc_boolean_t eol;
-
-	base32_decode_init(&ctx, length, base, target);
-
-	while (!ctx.seen_end && (ctx.length != 0)) {
-		unsigned int i;
-
-		if (length > 0)
-			eol = ISC_FALSE;
-		else
-			eol = ISC_TRUE;
-		RETERR(isc_lex_getmastertoken(lexer, &token,
-					      isc_tokentype_string, eol));
-		if (token.type != isc_tokentype_string)
-			break;
-		tr = &token.value.as_textregion;
-		for (i = 0; i < tr->length; i++)
-			RETERR(base32_decode_char(&ctx, tr->base[i]));
-	}
-	if (ctx.length < 0 && !ctx.seen_end)
-		isc_lex_ungettoken(lexer, &token);
-	RETERR(base32_decode_finish(&ctx));
-	return (ISC_R_SUCCESS);
-}
-
-isc_result_t
-isc_base32_tobuffer(isc_lex_t *lexer, isc_buffer_t *target, int length) {
-	return (base32_tobuffer(lexer, base32, target, length));
-}
-
-isc_result_t
-isc_base32hex_tobuffer(isc_lex_t *lexer, isc_buffer_t *target, int length) {
-	return (base32_tobuffer(lexer, base32hex, target, length));
-}
-
-static isc_result_t
-base32_decodestring(const char *cstr, const char base[], isc_buffer_t *target) {
-	base32_decode_ctx_t ctx;
-
-	base32_decode_init(&ctx, -1, base, target);
-	for (;;) {
-		int c = *cstr++;
-		if (c == '\0')
-			break;
-		if (c == ' ' || c == '\t' || c == '\n' || c== '\r')
-			continue;
-		RETERR(base32_decode_char(&ctx, c));
-	}
-	RETERR(base32_decode_finish(&ctx));
-	return (ISC_R_SUCCESS);
-}
-
-isc_result_t
-isc_base32_decodestring(const char *cstr, isc_buffer_t *target) {
-	return (base32_decodestring(cstr, base32, target));
-}
-
-isc_result_t
-isc_base32hex_decodestring(const char *cstr, isc_buffer_t *target) {
-	return (base32_decodestring(cstr, base32hex, target));
-}
-
-static isc_result_t
-base32_decoderegion(isc_region_t *source, const char base[], isc_buffer_t *target) {
-	base32_decode_ctx_t ctx;
-
-	base32_decode_init(&ctx, -1, base, target);
-	while (source->length != 0) {
-		int c = *source->base;
-		RETERR(base32_decode_char(&ctx, c));
-		isc_region_consume(source, 1);
-	}
-	RETERR(base32_decode_finish(&ctx));
-	return (ISC_R_SUCCESS);
-}
-
-isc_result_t
-isc_base32_decoderegion(isc_region_t *source, isc_buffer_t *target) {
-	return (base32_decoderegion(source, base32, target));
-}
-
-isc_result_t
-isc_base32hex_decoderegion(isc_region_t *source, isc_buffer_t *target) {
-	return (base32_decoderegion(source, base32hex, target));
-}
-
-static isc_result_t
-str_totext(const char *source, isc_buffer_t *target) {
-	unsigned int l;
-	isc_region_t region;
-
-	isc_buffer_availableregion(target, &region);
-	l = strlen(source);
-
-	if (l > region.length)
-		return (ISC_R_NOSPACE);
-
-	memcpy(region.base, source, l);
-	isc_buffer_add(target, l);
-	return (ISC_R_SUCCESS);
-}
-
-static isc_result_t
-mem_tobuffer(isc_buffer_t *target, void *base, unsigned int length) {
-	isc_region_t tr;
-
-	isc_buffer_availableregion(target, &tr);
-	if (length > tr.length)
-		return (ISC_R_NOSPACE);
-	memcpy(tr.base, base, length);
-	isc_buffer_add(target, length);
-	return (ISC_R_SUCCESS);
-}