Flatten bind9 vendor work area

1 files changed, 0 insertions, 489 deletions

diff --git a/contrib/bind9/lib/bind/dst/hmac_link.c b/contrib/bind9/lib/bind/dst/hmac_link.c
deleted file mode 100644
index b97a996..0000000
--- a/contrib/bind9/lib/bind/dst/hmac_link.c
+++ /dev/null
@@ -1,489 +0,0 @@
-#ifdef HMAC_MD5
-#ifndef LINT
-static const char rcsid[] = "$Header: /proj/cvs/prod/bind9/lib/bind/dst/hmac_link.c,v 1.3.164.5 2007/09/26 04:41:47 each Exp $";
-#endif
-/*
- * Portions Copyright (c) 1995-1998 by Trusted Information Systems, Inc.
- *
- * Permission to use, copy modify, and 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 TRUSTED INFORMATION SYSTEMS
- * DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS.  IN NO EVENT SHALL
- * TRUSTED INFORMATION SYSTEMS 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 THE SOFTWARE.
- */
-
-/*%
- * This file contains an implementation of the HMAC-MD5 algorithm.
- */
-#include "port_before.h"
-
-#include <stdio.h>
-#include <unistd.h>
-#include <stdlib.h>
-#include <string.h>
-#include <memory.h>
-#include <sys/param.h>
-#include <sys/time.h>
-#include <netinet/in.h>
-#include <arpa/nameser.h>
-#include <resolv.h>
-
-#include "dst_internal.h"
-
-#ifdef USE_MD5
-# ifndef HAVE_MD5
-#  include "md5.h"
-# else
-#  ifdef SOLARIS2
-#   include <sys/md5.h>
-#  endif
-# endif
-# ifndef _MD5_H_
-#  define _MD5_H_ 1	/*%< make sure we do not include rsaref md5.h file */
-# endif
-#endif
-
-#include "port_after.h"
-
-
-#define HMAC_LEN	64
-#define HMAC_IPAD	0x36
-#define HMAC_OPAD	0x5c
-#define MD5_LEN		16
-
-
-typedef struct hmackey {
-	u_char hk_ipad[64], hk_opad[64];
-} HMAC_Key;
-
-
-/************************************************************************** 
- * dst_hmac_md5_sign
- *     Call HMAC signing functions to sign a block of data.
- *     There are three steps to signing, INIT (initialize structures), 
- *     UPDATE (hash (more) data), FINAL (generate a signature).  This
- *     routine performs one or more of these steps.
- * Parameters
- *     mode	SIG_MODE_INIT, SIG_MODE_UPDATE and/or SIG_MODE_FINAL.
- *     priv_key    key to use for signing.
- *     context   the context to be used in this digest
- *     data	data to be signed.
- *     len	 length in bytes of data.
- *     signature   location to store signature.
- *     sig_len     size of the signature location
- * returns 
- *	N  Success on SIG_MODE_FINAL = returns signature length in bytes
- *	0  Success on SIG_MODE_INIT  and UPDATE
- *	 <0  Failure
- */
-
-static int
-dst_hmac_md5_sign(const int mode, DST_KEY *d_key, void **context, 
-		  const u_char *data, const int len, 
-		  u_char *signature, const int sig_len)
-{
-	HMAC_Key *key;
-	int sign_len = 0;
-	MD5_CTX *ctx = NULL;
-
-	if (d_key == NULL || d_key->dk_KEY_struct == NULL)
-		return (-1);
-
-	if (mode & SIG_MODE_INIT) 
-		ctx = (MD5_CTX *) malloc(sizeof(*ctx));
-	else if (context)
-		ctx = (MD5_CTX *) *context;
-	if (ctx == NULL) 
-		return (-1);
-
-	key = (HMAC_Key *) d_key->dk_KEY_struct;
-
-	if (mode & SIG_MODE_INIT) {
-		MD5Init(ctx);
-		MD5Update(ctx, key->hk_ipad, HMAC_LEN);
-	}
-
-	if ((mode & SIG_MODE_UPDATE) && (data && len > 0))
-		MD5Update(ctx, data, len);
-
-	if (mode & SIG_MODE_FINAL) {
-		if (signature == NULL || sig_len < MD5_LEN)
-			return (SIGN_FINAL_FAILURE);
-		MD5Final(signature, ctx);
-
-		/* perform outer MD5 */
-		MD5Init(ctx);
-		MD5Update(ctx, key->hk_opad, HMAC_LEN);
-		MD5Update(ctx, signature, MD5_LEN);
-		MD5Final(signature, ctx);
-		sign_len = MD5_LEN;
-		SAFE_FREE(ctx);
-	}
-	else { 
-		if (context == NULL) 
-			return (-1);
-		*context = (void *) ctx;
-	}		
-	return (sign_len);
-}
-
-
-/************************************************************************** 
- * dst_hmac_md5_verify() 
- *     Calls HMAC verification routines.  There are three steps to 
- *     verification, INIT (initialize structures), UPDATE (hash (more) data), 
- *     FINAL (generate a signature).  This routine performs one or more of 
- *     these steps.
- * Parameters
- *     mode	SIG_MODE_INIT, SIG_MODE_UPDATE and/or SIG_MODE_FINAL.
- *     dkey	key to use for verify.
- *     data	data signed.
- *     len	 length in bytes of data.
- *     signature   signature.
- *     sig_len     length in bytes of signature.
- * returns 
- *     0  Success 
- *    <0  Failure
- */
-
-static int
-dst_hmac_md5_verify(const int mode, DST_KEY *d_key, void **context,
-		const u_char *data, const int len,
-		const u_char *signature, const int sig_len)
-{
-	HMAC_Key *key;
-	MD5_CTX *ctx = NULL;
-
-	if (d_key == NULL || d_key->dk_KEY_struct == NULL)
-		return (-1);
-
-	if (mode & SIG_MODE_INIT) 
-		ctx = (MD5_CTX *) malloc(sizeof(*ctx));
-	else if (context)
-		ctx = (MD5_CTX *) *context;
-	if (ctx == NULL) 
-		return (-1);
-
-	key = (HMAC_Key *) d_key->dk_KEY_struct;
-	if (mode & SIG_MODE_INIT) {
-		MD5Init(ctx);
-		MD5Update(ctx, key->hk_ipad, HMAC_LEN);
-	}
-	if ((mode & SIG_MODE_UPDATE) && (data && len > 0))
-		MD5Update(ctx, data, len);
-
-	if (mode & SIG_MODE_FINAL) {
-		u_char digest[MD5_LEN];
-		if (signature == NULL || key == NULL || sig_len != MD5_LEN)
-			return (VERIFY_FINAL_FAILURE);
-		MD5Final(digest, ctx);
-
-		/* perform outer MD5 */
-		MD5Init(ctx);
-		MD5Update(ctx, key->hk_opad, HMAC_LEN);
-		MD5Update(ctx, digest, MD5_LEN);
-		MD5Final(digest, ctx);
-
-		SAFE_FREE(ctx);
-		if (memcmp(digest, signature, MD5_LEN) != 0)
-			return (VERIFY_FINAL_FAILURE);
-	}
-	else { 
-		if (context == NULL) 
-			return (-1);
-		*context = (void *) ctx;
-	}		
-	return (0);
-}
-
-
-/************************************************************************** 
- * dst_buffer_to_hmac_md5
- *     Converts key from raw data to an HMAC Key
- *     This function gets in a pointer to the data
- * Parameters
- *     hkey	the HMAC key to be filled in
- *     key	the key in raw format
- *     keylen	the length of the key
- * Return
- *	0	Success
- *	<0	Failure
- */
-static int
-dst_buffer_to_hmac_md5(DST_KEY *dkey, const u_char *key, const int keylen)
-{
-	int i;
-	HMAC_Key *hkey = NULL;
-	MD5_CTX ctx;
-	int local_keylen = keylen;
-	u_char tk[MD5_LEN];
-
-	if (dkey == NULL || key == NULL || keylen < 0)
-		return (-1);
-
-	if ((hkey = (HMAC_Key *) malloc(sizeof(HMAC_Key))) == NULL)
-		  return (-2);
-
-	memset(hkey->hk_ipad, 0, sizeof(hkey->hk_ipad));
-	memset(hkey->hk_opad, 0, sizeof(hkey->hk_opad));
-
-	/* if key is longer than HMAC_LEN bytes reset it to key=MD5(key) */
-	if (keylen > HMAC_LEN) {
-		MD5Init(&ctx);
-		MD5Update(&ctx, key, keylen);
-		MD5Final(tk, &ctx);
-		memset((void *) &ctx, 0, sizeof(ctx));
-		key = tk;
-		local_keylen = MD5_LEN;
-	}
-	/* start out by storing key in pads */
-	memcpy(hkey->hk_ipad, key, local_keylen);
-	memcpy(hkey->hk_opad, key, local_keylen);
-
-	/* XOR key with hk_ipad and opad values */
-	for (i = 0; i < HMAC_LEN; i++) {
-		hkey->hk_ipad[i] ^= HMAC_IPAD;
-		hkey->hk_opad[i] ^= HMAC_OPAD;
-	}
-	dkey->dk_key_size = local_keylen;
-	dkey->dk_KEY_struct = (void *) hkey;
-	return (1);
-}
-
-
-/************************************************************************** 
- *  dst_hmac_md5_key_to_file_format
- *	Encodes an HMAC Key into the portable file format.
- *  Parameters 
- *	hkey      HMAC KEY structure 
- *	buff      output buffer
- *	buff_len  size of output buffer 
- *  Return
- *	0  Failure - null input hkey
- *     -1  Failure - not enough space in output area
- *	N  Success - Length of data returned in buff
- */
-
-static int
-dst_hmac_md5_key_to_file_format(const DST_KEY *dkey, char *buff,
-			        const int buff_len)
-{
-	char *bp;
-	int len, i, key_len;
-	u_char key[HMAC_LEN];
-	HMAC_Key *hkey;
-
-	if (dkey == NULL || dkey->dk_KEY_struct == NULL) 
-		return (0);
-	/*
-	 * Using snprintf() would be so much simpler here.
-	 */
-	if (buff == NULL ||
-	    buff_len <= (int)(strlen(key_file_fmt_str) +
-			      strlen(KEY_FILE_FORMAT) + 4))
-		return (-1);	/*%< no OR not enough space in output area */
-	hkey = (HMAC_Key *) dkey->dk_KEY_struct;
-	memset(buff, 0, buff_len);	/*%< just in case */
-	/* write file header */
-	sprintf(buff, key_file_fmt_str, KEY_FILE_FORMAT, KEY_HMAC_MD5, "HMAC");
-
-	bp = buff + strlen(buff);
-
-	memset(key, 0, HMAC_LEN);
-	for (i = 0; i < HMAC_LEN; i++)
-		key[i] = hkey->hk_ipad[i] ^ HMAC_IPAD;
-	for (i = HMAC_LEN - 1; i >= 0; i--)
-		if (key[i] != 0)
-			break;
-	key_len = i + 1;
-
-	if (buff_len - (bp - buff) < 6)
-		return (-1);
-	strcat(bp, "Key: ");
-	bp += strlen("Key: ");
-
-	len = b64_ntop(key, key_len, bp, buff_len - (bp - buff));
-	if (len < 0) 
-		return (-1);
-	bp += len;
-	if (buff_len - (bp - buff) < 2)
-		return (-1);
-	*(bp++) = '\n';
-	*bp = '\0';
-
-	return (bp - buff);
-}
-
-
-/************************************************************************** 
- * dst_hmac_md5_key_from_file_format
- *     Converts contents of a key file into an HMAC key. 
- * Parameters 
- *     hkey    structure to put key into 
- *     buff       buffer containing the encoded key 
- *     buff_len   the length of the buffer
- * Return
- *     n >= 0 Foot print of the key converted 
- *     n <  0 Error in conversion 
- */
-
-static int
-dst_hmac_md5_key_from_file_format(DST_KEY *dkey, const char *buff,
-			      const int buff_len)
-{
-	const char *p = buff, *eol;
-	u_char key[HMAC_LEN+1];	/* b64_pton needs more than 64 bytes do decode
-				 * it should probably be fixed rather than doing
-				 * this
-				 */
-	u_char *tmp;
-	int key_len, len;
-
-	if (dkey == NULL)
-		return (-2);
-	if (buff == NULL || buff_len < 0)
-		return (-1);
-
-	memset(key, 0, sizeof(key));
-
-	if (!dst_s_verify_str(&p, "Key: "))
-		return (-3);
-
-	eol = strchr(p, '\n');
-	if (eol == NULL)
-		return (-4);
-	len = eol - p;
-	tmp = malloc(len + 2);
-	if (tmp == NULL)
-		return (-5);
-	memcpy(tmp, p, len);
-	*(tmp + len) = 0x0;
-	key_len = b64_pton((char *)tmp, key, HMAC_LEN+1);	/*%< see above */
-	SAFE_FREE2(tmp, len + 2);
-
-	if (dst_buffer_to_hmac_md5(dkey, key, key_len) < 0) {
-		return (-6);
-	}
-	return (0);
-}
-
-/*%
- * dst_hmac_md5_to_dns_key() 
- *         function to extract hmac key from DST_KEY structure 
- * intput: 
- *      in_key:  HMAC-MD5 key 
- * output: 
- *	out_str: buffer to write ot
- *      out_len: size of output buffer 
- * returns:
- *      number of bytes written to output buffer 
- */
-static int
-dst_hmac_md5_to_dns_key(const DST_KEY *in_key, u_char *out_str,
-			const int out_len)
-{
-
-	HMAC_Key *hkey;
-	int i;
-	
-	if (in_key == NULL || in_key->dk_KEY_struct == NULL ||
-	    out_len <= in_key->dk_key_size || out_str == NULL)
-		return (-1);
-
-	hkey = (HMAC_Key *) in_key->dk_KEY_struct;
-	for (i = 0; i < in_key->dk_key_size; i++)
-		out_str[i] = hkey->hk_ipad[i] ^ HMAC_IPAD;
-	return (i);
-}
-
-/************************************************************************** 
- *  dst_hmac_md5_compare_keys
- *	Compare two keys for equality.
- *  Return
- *	0	  The keys are equal
- *	NON-ZERO   The keys are not equal
- */
-
-static int
-dst_hmac_md5_compare_keys(const DST_KEY *key1, const DST_KEY *key2)
-{
-	HMAC_Key *hkey1 = (HMAC_Key *) key1->dk_KEY_struct;
-	HMAC_Key *hkey2 = (HMAC_Key *) key2->dk_KEY_struct;
-	return memcmp(hkey1->hk_ipad, hkey2->hk_ipad, HMAC_LEN);
-}
-
-/************************************************************************** 
- * dst_hmac_md5_free_key_structure
- *     Frees all (none) dynamically allocated structures in hkey
- */
-
-static void *
-dst_hmac_md5_free_key_structure(void *key)
-{
-	HMAC_Key *hkey = key;
-	SAFE_FREE(hkey);
-	return (NULL);
-}
-
-
-/*************************************************************************** 
- * dst_hmac_md5_generate_key
- *     Creates a HMAC key of size size with a maximum size of 63 bytes
- *     generating a HMAC key larger than 63 bytes makes no sense as that key 
- *     is digested before use. 
- */
-
-static int
-dst_hmac_md5_generate_key(DST_KEY *key, const int nothing)
-{
-	(void)key;
-	(void)nothing;
-	return (-1);
-}
-
-/*%
- * dst_hmac_md5_init()  Function to answer set up function pointers for HMAC
- *	   related functions 
- */
-int
-#ifdef	SUNW_LIBMD5
-dst_md5_hmac_init()
-#else
-dst_hmac_md5_init()
-#endif
-{
-	if (dst_t_func[KEY_HMAC_MD5] != NULL)
-		return (1);
-	dst_t_func[KEY_HMAC_MD5] = malloc(sizeof(struct dst_func));
-	if (dst_t_func[KEY_HMAC_MD5] == NULL)
-		return (0);
-	memset(dst_t_func[KEY_HMAC_MD5], 0, sizeof(struct dst_func));
-	dst_t_func[KEY_HMAC_MD5]->sign = dst_hmac_md5_sign;
-	dst_t_func[KEY_HMAC_MD5]->verify = dst_hmac_md5_verify;
-	dst_t_func[KEY_HMAC_MD5]->compare = dst_hmac_md5_compare_keys;
-	dst_t_func[KEY_HMAC_MD5]->generate = dst_hmac_md5_generate_key;
-	dst_t_func[KEY_HMAC_MD5]->destroy = dst_hmac_md5_free_key_structure;
-	dst_t_func[KEY_HMAC_MD5]->to_dns_key = dst_hmac_md5_to_dns_key;
-	dst_t_func[KEY_HMAC_MD5]->from_dns_key = dst_buffer_to_hmac_md5;
-	dst_t_func[KEY_HMAC_MD5]->to_file_fmt = dst_hmac_md5_key_to_file_format;
-	dst_t_func[KEY_HMAC_MD5]->from_file_fmt = dst_hmac_md5_key_from_file_format;
-	return (1);
-}
-
-#else 
-#define	dst_hmac_md5_init	__dst_hmac_md5_init
-
-int
-dst_hmac_md5_init(){
-	return (0);
-}
-#endif
-
-/*! \file */