Flatten bind9 vendor work area

1 files changed, 0 insertions, 387 deletions

diff --git a/contrib/bind9/lib/bind/nameser/ns_sign.c b/contrib/bind9/lib/bind/nameser/ns_sign.c
deleted file mode 100644
index ab4b0ef..0000000
--- a/contrib/bind9/lib/bind/nameser/ns_sign.c
+++ /dev/null
@@ -1,387 +0,0 @@
-/*
- * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC")
- * Copyright (c) 1999 by Internet Software Consortium, 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 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.
- */
-
-#ifndef lint
-static const char rcsid[] = "$Id: ns_sign.c,v 1.4.18.2 2006/03/10 00:20:08 marka Exp $";
-#endif
-
-/* Import. */
-
-#include "port_before.h"
-#include "fd_setsize.h"
-
-#include <sys/types.h>
-#include <sys/param.h>
-
-#include <netinet/in.h>
-#include <arpa/nameser.h>
-#include <arpa/inet.h>
-
-#include <errno.h>
-#include <netdb.h>
-#include <resolv.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <time.h>
-#include <unistd.h>
-
-#include <isc/dst.h>
-#include <isc/assertions.h>
-
-#include "port_after.h"
-
-#define BOUNDS_CHECK(ptr, count) \
-	do { \
-		if ((ptr) + (count) > eob) { \
-			errno = EMSGSIZE; \
-			return(NS_TSIG_ERROR_NO_SPACE); \
-		} \
-	} while (0)
-
-/*%
- *  ns_sign
- *
- * Parameters:
- *\li	msg		message to be sent
- *\li	msglen		input - length of message
- *			output - length of signed message
- *\li	msgsize		length of buffer containing message
- *\li	error		value to put in the error field
- *\li	key		tsig key used for signing
- *\li	querysig	(response), the signature in the query
- *\li	querysiglen	(response), the length of the signature in the query
- *\li	sig		a buffer to hold the generated signature
- *\li	siglen		input - length of signature buffer
- *			output - length of signature
- *
- * Errors:
- *\li	- bad input data (-1)
- *\li	- bad key / sign failed (-BADKEY)
- *\li	- not enough space (NS_TSIG_ERROR_NO_SPACE)
- */
-int
-ns_sign(u_char *msg, int *msglen, int msgsize, int error, void *k,
-	const u_char *querysig, int querysiglen, u_char *sig, int *siglen,
-	time_t in_timesigned)
-{
-	return(ns_sign2(msg, msglen, msgsize, error, k,
-			querysig, querysiglen, sig, siglen,
-			in_timesigned, NULL, NULL));
-}
-
-int
-ns_sign2(u_char *msg, int *msglen, int msgsize, int error, void *k,
-	 const u_char *querysig, int querysiglen, u_char *sig, int *siglen,
-	 time_t in_timesigned, u_char **dnptrs, u_char **lastdnptr)
-{
-	HEADER *hp = (HEADER *)msg;
-	DST_KEY *key = (DST_KEY *)k;
-	u_char *cp, *eob;
-	u_char *lenp;
-	u_char *alg;
-	int n;
-	time_t timesigned;
-        u_char name[NS_MAXCDNAME];
-
-	dst_init();
-	if (msg == NULL || msglen == NULL || sig == NULL || siglen == NULL)
-		return (-1);
-
-	cp = msg + *msglen;
-	eob = msg + msgsize;
-
-	/* Name. */
-	if (key != NULL && error != ns_r_badsig && error != ns_r_badkey) {
-		n = ns_name_pton(key->dk_key_name, name, sizeof name);
-		if (n != -1)
-			n = ns_name_pack(name, cp, eob - cp,
-					 (const u_char **)dnptrs,
-					 (const u_char **)lastdnptr);
-
-	} else {
-		n = ns_name_pton("", name, sizeof name);
-		if (n != -1)
-			n = ns_name_pack(name, cp, eob - cp, NULL, NULL);
-	}
-	if (n < 0)
-		return (NS_TSIG_ERROR_NO_SPACE);
-	cp += n;
-
-	/* Type, class, ttl, length (not filled in yet). */
-	BOUNDS_CHECK(cp, INT16SZ + INT16SZ + INT32SZ + INT16SZ);
-	PUTSHORT(ns_t_tsig, cp);
-	PUTSHORT(ns_c_any, cp);
-	PUTLONG(0, cp);		/*%< TTL */
-	lenp = cp;
-	cp += 2;
-
-	/* Alg. */
-	if (key != NULL && error != ns_r_badsig && error != ns_r_badkey) {
-		if (key->dk_alg != KEY_HMAC_MD5)
-			return (-ns_r_badkey);
-		n = dn_comp(NS_TSIG_ALG_HMAC_MD5, cp, eob - cp, NULL, NULL);
-	}
-	else
-		n = dn_comp("", cp, eob - cp, NULL, NULL);
-	if (n < 0)
-		return (NS_TSIG_ERROR_NO_SPACE);
-	alg = cp;
-	cp += n;
-	
-	/* Time. */
-	BOUNDS_CHECK(cp, INT16SZ + INT32SZ + INT16SZ);
-	PUTSHORT(0, cp);
-	timesigned = time(NULL);
-	if (error != ns_r_badtime)
-		PUTLONG(timesigned, cp);
-	else
-		PUTLONG(in_timesigned, cp);
-	PUTSHORT(NS_TSIG_FUDGE, cp);
-
-	/* Compute the signature. */
-	if (key != NULL && error != ns_r_badsig && error != ns_r_badkey) {
-		void *ctx;
-		u_char buf[NS_MAXCDNAME], *cp2;
-		int n;
-
-		dst_sign_data(SIG_MODE_INIT, key, &ctx, NULL, 0, NULL, 0);
-
-		/* Digest the query signature, if this is a response. */
-		if (querysiglen > 0 && querysig != NULL) {
-			u_int16_t len_n = htons(querysiglen);
-			dst_sign_data(SIG_MODE_UPDATE, key, &ctx,
-				      (u_char *)&len_n, INT16SZ, NULL, 0);
-			dst_sign_data(SIG_MODE_UPDATE, key, &ctx,
-				      querysig, querysiglen, NULL, 0);
-		}
-
-		/* Digest the message. */
-		dst_sign_data(SIG_MODE_UPDATE, key, &ctx, msg, *msglen,
-			      NULL, 0);
-
-		/* Digest the key name. */
-		n = ns_name_ntol(name, buf, sizeof(buf));
-		INSIST(n > 0);
-		dst_sign_data(SIG_MODE_UPDATE, key, &ctx, buf, n, NULL, 0);
-
-		/* Digest the class and TTL. */
-		cp2 = buf;
-		PUTSHORT(ns_c_any, cp2);
-		PUTLONG(0, cp2);
-		dst_sign_data(SIG_MODE_UPDATE, key, &ctx, buf, cp2-buf,
-			      NULL, 0);
-
-		/* Digest the algorithm. */
-		n = ns_name_ntol(alg, buf, sizeof(buf));
-		INSIST(n > 0);
-		dst_sign_data(SIG_MODE_UPDATE, key, &ctx, buf, n, NULL, 0);
-
-		/* Digest the time signed, fudge, error, and other data */
-		cp2 = buf;
-		PUTSHORT(0, cp2);	/*%< Top 16 bits of time */
-		if (error != ns_r_badtime)
-			PUTLONG(timesigned, cp2);
-		else
-			PUTLONG(in_timesigned, cp2);
-		PUTSHORT(NS_TSIG_FUDGE, cp2);
-		PUTSHORT(error, cp2);	/*%< Error */
-		if (error != ns_r_badtime)
-			PUTSHORT(0, cp2);	/*%< Other data length */
-		else {
-			PUTSHORT(INT16SZ+INT32SZ, cp2);	/*%< Other data length */
-			PUTSHORT(0, cp2);	/*%< Top 16 bits of time */
-			PUTLONG(timesigned, cp2);
-		}
-		dst_sign_data(SIG_MODE_UPDATE, key, &ctx, buf, cp2-buf,
-			      NULL, 0);
-
-		n = dst_sign_data(SIG_MODE_FINAL, key, &ctx, NULL, 0,
-				  sig, *siglen);
-		if (n < 0)
-			return (-ns_r_badkey);
-		*siglen = n;
-	} else
-		*siglen = 0;
-
-	/* Add the signature. */
-	BOUNDS_CHECK(cp, INT16SZ + (*siglen));
-	PUTSHORT(*siglen, cp);
-	memcpy(cp, sig, *siglen);
-	cp += (*siglen);
-
-	/* The original message ID & error. */
-	BOUNDS_CHECK(cp, INT16SZ + INT16SZ);
-	PUTSHORT(ntohs(hp->id), cp);	/*%< already in network order */
-	PUTSHORT(error, cp);
-
-	/* Other data. */
-	BOUNDS_CHECK(cp, INT16SZ);
-	if (error != ns_r_badtime)
-		PUTSHORT(0, cp);	/*%< Other data length */
-	else {
-		PUTSHORT(INT16SZ+INT32SZ, cp);	/*%< Other data length */
-		BOUNDS_CHECK(cp, INT32SZ+INT16SZ);
-		PUTSHORT(0, cp);	/*%< Top 16 bits of time */
-		PUTLONG(timesigned, cp);
-	}
-
-	/* Go back and fill in the length. */
-	PUTSHORT(cp - lenp - INT16SZ, lenp);
-
-	hp->arcount = htons(ntohs(hp->arcount) + 1);
-	*msglen = (cp - msg);
-	return (0);
-}
-
-int
-ns_sign_tcp_init(void *k, const u_char *querysig, int querysiglen,
-		 ns_tcp_tsig_state *state)
-{
-	dst_init();
-	if (state == NULL || k == NULL || querysig == NULL || querysiglen < 0)
-		return (-1);
-	state->counter = -1;
-	state->key = k;
-	if (state->key->dk_alg != KEY_HMAC_MD5)
-		return (-ns_r_badkey);
-	if (querysiglen > (int)sizeof(state->sig))
-		return (-1);
-	memcpy(state->sig, querysig, querysiglen);
-	state->siglen = querysiglen;
-	return (0);
-}
-
-int
-ns_sign_tcp(u_char *msg, int *msglen, int msgsize, int error,
-	    ns_tcp_tsig_state *state, int done)
-{
-	return (ns_sign_tcp2(msg, msglen, msgsize, error, state,
-			     done, NULL, NULL));
-}
-
-int
-ns_sign_tcp2(u_char *msg, int *msglen, int msgsize, int error,
-	     ns_tcp_tsig_state *state, int done,
-	     u_char **dnptrs, u_char **lastdnptr)
-{
-	u_char *cp, *eob, *lenp;
-	u_char buf[MAXDNAME], *cp2;
-	HEADER *hp = (HEADER *)msg;
-	time_t timesigned;
-	int n;
-
-	if (msg == NULL || msglen == NULL || state == NULL)
-		return (-1);
-
-	state->counter++;
-	if (state->counter == 0)
-		return (ns_sign2(msg, msglen, msgsize, error, state->key,
-				 state->sig, state->siglen,
-				 state->sig, &state->siglen, 0,
-				 dnptrs, lastdnptr));
-
-	if (state->siglen > 0) {
-		u_int16_t siglen_n = htons(state->siglen);
-		dst_sign_data(SIG_MODE_INIT, state->key, &state->ctx,
-			      NULL, 0, NULL, 0);
-		dst_sign_data(SIG_MODE_UPDATE, state->key, &state->ctx,
-			      (u_char *)&siglen_n, INT16SZ, NULL, 0);
-		dst_sign_data(SIG_MODE_UPDATE, state->key, &state->ctx,
-			      state->sig, state->siglen, NULL, 0);
-		state->siglen = 0;
-	}
-
-	dst_sign_data(SIG_MODE_UPDATE, state->key, &state->ctx, msg, *msglen,
-		      NULL, 0);
-
-	if (done == 0 && (state->counter % 100 != 0))
-		return (0);
-
-	cp = msg + *msglen;
-	eob = msg + msgsize;
-
-	/* Name. */
-	n = dn_comp(state->key->dk_key_name, cp, eob - cp, dnptrs, lastdnptr);
-	if (n < 0)
-		return (NS_TSIG_ERROR_NO_SPACE);
-	cp += n;
-
-	/* Type, class, ttl, length (not filled in yet). */
-	BOUNDS_CHECK(cp, INT16SZ + INT16SZ + INT32SZ + INT16SZ);
-	PUTSHORT(ns_t_tsig, cp);
-	PUTSHORT(ns_c_any, cp);
-	PUTLONG(0, cp);		/*%< TTL */
-	lenp = cp;
-	cp += 2;
-
-	/* Alg. */
-	n = dn_comp(NS_TSIG_ALG_HMAC_MD5, cp, eob - cp, NULL, NULL);
-	if (n < 0)
-		return (NS_TSIG_ERROR_NO_SPACE);
-	cp += n;
-	
-	/* Time. */
-	BOUNDS_CHECK(cp, INT16SZ + INT32SZ + INT16SZ);
-	PUTSHORT(0, cp);
-	timesigned = time(NULL);
-	PUTLONG(timesigned, cp);
-	PUTSHORT(NS_TSIG_FUDGE, cp);
-
-	/*
-	 * Compute the signature.
-	 */
-
-	/* Digest the time signed and fudge. */
-	cp2 = buf;
-	PUTSHORT(0, cp2);	/*%< Top 16 bits of time */
-	PUTLONG(timesigned, cp2);
-	PUTSHORT(NS_TSIG_FUDGE, cp2);
-
-	dst_sign_data(SIG_MODE_UPDATE, state->key, &state->ctx,
-		      buf, cp2 - buf, NULL, 0);
-
-	n = dst_sign_data(SIG_MODE_FINAL, state->key, &state->ctx, NULL, 0,
-			  state->sig, sizeof(state->sig));
-	if (n < 0)
-		return (-ns_r_badkey);
-	state->siglen = n;
-
-	/* Add the signature. */
-	BOUNDS_CHECK(cp, INT16SZ + state->siglen);
-	PUTSHORT(state->siglen, cp);
-	memcpy(cp, state->sig, state->siglen);
-	cp += state->siglen;
-
-	/* The original message ID & error. */
-	BOUNDS_CHECK(cp, INT16SZ + INT16SZ);
-	PUTSHORT(ntohs(hp->id), cp);	/*%< already in network order */
-	PUTSHORT(error, cp);
-
-	/* Other data. */
-	BOUNDS_CHECK(cp, INT16SZ);
-	PUTSHORT(0, cp);
-
-	/* Go back and fill in the length. */
-	PUTSHORT(cp - lenp - INT16SZ, lenp);
-
-	hp->arcount = htons(ntohs(hp->arcount) + 1);
-	*msglen = (cp - msg);
-	return (0);
-}
-
-/*! \file */