Update our stub resolver to final version of libbind.

Obtained from:	ISC

13 files changed, 208 insertions, 120 deletions

diff --git a/lib/libc/resolv/Makefile.inc b/lib/libc/resolv/Makefile.inc
index c77a3ab..1a48687 100644
--- a/lib/libc/resolv/Makefile.inc
+++ b/lib/libc/resolv/Makefile.inc
@@ -8,3 +8,5 @@ SRCS+=	herror.c h_errno.c mtctxres.c res_comp.c res_data.c res_debug.c \
 	res_query.c res_send.c res_state.c res_update.c
 
 SYM_MAPS+= ${LIBC_SRCTOP}/resolv/Symbol.map
+
+CFLAGS+=-I${LIBC_SRCTOP}/../libmd
diff --git a/lib/libc/resolv/Symbol.map b/lib/libc/resolv/Symbol.map
index 211f2c4..1703333 100644
--- a/lib/libc/resolv/Symbol.map
+++ b/lib/libc/resolv/Symbol.map
@@ -105,3 +105,8 @@ FBSD_1.0 {
 	res_send;
 	__res_update;
 };
+
+FBSD_1.4 {
+	__res_rndinit;
+	__res_nrandomid;
+};
diff --git a/lib/libc/resolv/herror.c b/lib/libc/resolv/herror.c
index cb9dd0e..d987609 100644
--- a/lib/libc/resolv/herror.c
+++ b/lib/libc/resolv/herror.c
@@ -46,7 +46,7 @@
 
 #if defined(LIBC_SCCS) && !defined(lint)
 static const char sccsid[] = "@(#)herror.c	8.1 (Berkeley) 6/4/93";
-static const char rcsid[] = "$Id: herror.c,v 1.3.18.1 2005/04/27 05:01:09 sra Exp $";
+static const char rcsid[] = "$Id: herror.c,v 1.4 2005/04/27 04:56:41 sra Exp $";
 #endif /* LIBC_SCCS and not lint */
 #include <sys/cdefs.h>
 __FBSDID("$FreeBSD$");
diff --git a/lib/libc/resolv/res_comp.c b/lib/libc/resolv/res_comp.c
index 81bce5e..539d974 100644
--- a/lib/libc/resolv/res_comp.c
+++ b/lib/libc/resolv/res_comp.c
@@ -66,7 +66,7 @@
 
 #if defined(LIBC_SCCS) && !defined(lint)
 static const char sccsid[] = "@(#)res_comp.c	8.1 (Berkeley) 6/4/93";
-static const char rcsid[] = "$Id: res_comp.c,v 1.3.18.2 2005/07/28 07:38:11 marka Exp $";
+static const char rcsid[] = "$Id: res_comp.c,v 1.5 2005/07/28 06:51:50 marka Exp $";
 #endif /* LIBC_SCCS and not lint */
 #include <sys/cdefs.h>
 __FBSDID("$FreeBSD$");
diff --git a/lib/libc/resolv/res_data.c b/lib/libc/resolv/res_data.c
index 5a1a50c..f020838 100644
--- a/lib/libc/resolv/res_data.c
+++ b/lib/libc/resolv/res_data.c
@@ -16,7 +16,7 @@
  */
 
 #if defined(LIBC_SCCS) && !defined(lint)
-static const char rcsid[] = "$Id: res_data.c,v 1.3.18.2 2007/09/14 05:35:47 marka Exp $";
+static const char rcsid[] = "$Id: res_data.c,v 1.7 2008/12/11 09:59:00 marka Exp $";
 #endif /* LIBC_SCCS and not lint */
 #include <sys/cdefs.h>
 __FBSDID("$FreeBSD$");
@@ -107,13 +107,6 @@ res_init(void) {
 	if (!(_res.options & RES_INIT))
 		_res.options = RES_DEFAULT;
 
-	/*
-	 * This one used to initialize implicitly to zero, so unless the app
-	 * has set it to something in particular, we can randomize it now.
-	 */
-	if (!_res.id)
-		_res.id = res_randomid();
-
 	return (__res_vinit(&_res, 1));
 }
 
@@ -264,6 +257,16 @@ res_querydomain(const char *name,
 				 answer, anslen));
 }
 
+u_int
+res_randomid(void) {
+	if ((_res.options & RES_INIT) == 0U && res_init() == -1) {
+		RES_SET_H_ERRNO(&_res, NETDB_INTERNAL);
+		return (-1);
+	}
+
+	return (res_nrandomid(&_res));
+}
+
 int
 res_opt(int n0, u_char *buf, int buflen, int anslen)
 {
diff --git a/lib/libc/resolv/res_debug.c b/lib/libc/resolv/res_debug.c
index c2707bb..8ab0263 100644
--- a/lib/libc/resolv/res_debug.c
+++ b/lib/libc/resolv/res_debug.c
@@ -1,7 +1,24 @@
 /*
+ * Portions Copyright (C) 2004, 2005, 2008, 2009  Internet Systems Consortium, Inc. ("ISC")
+ * Portions Copyright (C) 1996-2003  Internet Software Consortium.
+ *
+ * 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.
+ */
+
+/*
  * Copyright (c) 1985
  *    The Regents of the University of California.  All rights reserved.
- * 
+ *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
@@ -13,7 +30,7 @@
  * 4. Neither the name of the University nor the names of its contributors
  *    may be used to endorse or promote products derived from this software
  *    without specific prior written permission.
- * 
+ *
  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
@@ -29,14 +46,14 @@
 
 /*
  * Portions Copyright (c) 1993 by Digital Equipment Corporation.
- * 
+ *
  * 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, and that
  * the name of Digital Equipment Corporation not be used in advertising or
  * publicity pertaining to distribution of the document or software without
  * specific, written prior permission.
- * 
+ *
  * THE SOFTWARE IS PROVIDED "AS IS" AND DIGITAL EQUIPMENT CORP. DISCLAIMS ALL
  * WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES
  * OF MERCHANTABILITY AND FITNESS.   IN NO EVENT SHALL DIGITAL EQUIPMENT
@@ -72,26 +89,9 @@
  * IF IBM IS APPRISED OF THE POSSIBILITY OF SUCH DAMAGES.
  */
 
-/*
- * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC")
- * Portions Copyright (c) 1996-1999 by Internet Software Consortium.
- *
- * 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.
- */
-
 #if defined(LIBC_SCCS) && !defined(lint)
 static const char sccsid[] = "@(#)res_debug.c	8.1 (Berkeley) 6/4/93";
-static const char rcsid[] = "$Id: res_debug.c,v 1.10.18.6 2008/04/03 23:15:15 marka Exp $";
+static const char rcsid[] = "$Id: res_debug.c,v 1.19 2009/02/26 11:20:20 tbox Exp $";
 #endif /* LIBC_SCCS and not lint */
 #include <sys/cdefs.h>
 __FBSDID("$FreeBSD$");
@@ -327,7 +327,7 @@ res_pquery(const res_state statp, const u_char *msg, int len, FILE *file) {
 		fprintf(file, ", %s: %d",
 			p_section(ns_s_ar, opcode), arcount);
 	}
-	if ((!statp->pfcode) || (statp->pfcode & 
+	if ((!statp->pfcode) || (statp->pfcode &
 		(RES_PRF_HEADX | RES_PRF_HEAD2 | RES_PRF_HEAD1))) {
 		putc('\n',file);
 	}
@@ -494,6 +494,24 @@ const struct res_sym __p_type_syms[] = {
 	{ns_t_nimloc,	"NIMLOC",	"NIMROD locator (unimplemented)"},
 	{ns_t_srv,	"SRV",		"server selection"},
 	{ns_t_atma,	"ATMA",		"ATM address (unimplemented)"},
+	{ns_t_naptr,	"NAPTR",	"naptr"},
+	{ns_t_kx,	"KX",		"key exchange"},
+	{ns_t_cert,	"CERT",		"certificate"},
+	{ns_t_a6,	"A",		"IPv6 address (experminental)"},
+	{ns_t_dname,	"DNAME",	"non-terminal redirection"},
+	{ns_t_opt,	"OPT",		"opt"},
+	{ns_t_apl,	"apl",		"apl"},
+	{ns_t_ds,	"DS",		"delegation signer"},
+	{ns_t_sshfp,	"SSFP",		"SSH fingerprint"},
+	{ns_t_ipseckey,	"IPSECKEY",	"IPSEC key"},
+	{ns_t_rrsig,	"RRSIG",	"rrsig"},
+	{ns_t_nsec,	"NSEC",		"nsec"},
+	{ns_t_dnskey,	"DNSKEY",	"DNS key"},
+	{ns_t_dhcid,	"DHCID",       "dynamic host configuration identifier"},
+	{ns_t_nsec3,	"NSEC3",	"nsec3"},
+	{ns_t_nsec3param, "NSEC3PARAM", "NSEC3 parameters"},
+	{ns_t_hip,	"HIP",		"host identity protocol"},
+	{ns_t_spf,	"SPF",		"sender policy framework"},
 	{ns_t_tkey,	"TKEY",		"tkey"},
 	{ns_t_tsig,	"TSIG",		"transaction signature"},
 	{ns_t_ixfr,	"IXFR",		"incremental zone transfer"},
@@ -509,6 +527,7 @@ const struct res_sym __p_type_syms[] = {
 	{ns_t_sink,	"SINK",		"Kitchen Sink (experimental)"},
 	{ns_t_opt,	"OPT",		"EDNS Options"},
 	{ns_t_any,	"ANY",		"\"any\""},
+	{ns_t_dlv,	"DLV",		"DNSSEC look-aside validation"},
 	{0, 		NULL,		NULL}
 };
 
@@ -936,7 +955,7 @@ loc_aton(ascii, binary)
 		altsign = -1;
 		cp++;
 	}
-    
+
 	if (*cp == '+')
 		cp++;
 
@@ -965,7 +984,7 @@ loc_aton(ascii, binary)
 		goto defaults;
 
 	siz = precsize_aton(&cp);
-	
+
 	while (!isspace((unsigned char)*cp) && (cp < maxcp))	/*%< if trailing garbage or m */
 		cp++;
 
@@ -998,7 +1017,7 @@ loc_aton(ascii, binary)
 	PUTLONG(latit,bcp);
 	PUTLONG(longit,bcp);
 	PUTLONG(alt,bcp);
-    
+
 	return (16);		/*%< size of RR in octets */
 }
 
@@ -1024,7 +1043,7 @@ loc_ntoa(binary, ascii)
 	int32_t latval, longval, altval;
 	u_int32_t templ;
 	u_int8_t sizeval, hpval, vpval, versionval;
-    
+
 	char *sizestr, *hpstr, *vpstr;
 
 	versionval = *cp++;
@@ -1138,7 +1157,7 @@ dn_count_labels(const char *name) {
 }
 
 /*%
- * Make dates expressed in seconds-since-Jan-1-1970 easy to read.  
+ * Make dates expressed in seconds-since-Jan-1-1970 easy to read.
  * SIG records are required to be printed like this, by the Secure DNS RFC.
  */
 char *
@@ -1148,7 +1167,7 @@ p_secstodate (u_long secs) {
 	struct tm *time;
 #ifdef HAVE_TIME_R
 	struct tm res;
-	
+
 	time = gmtime_r(&clock, &res);
 #else
 	time = gmtime(&clock);
diff --git a/lib/libc/resolv/res_findzonecut.c b/lib/libc/resolv/res_findzonecut.c
index 23c1af4..92ed5a3 100644
--- a/lib/libc/resolv/res_findzonecut.c
+++ b/lib/libc/resolv/res_findzonecut.c
@@ -1,5 +1,5 @@
 #if !defined(lint) && !defined(SABER)
-static const char rcsid[] = "$Id: res_findzonecut.c,v 1.7.18.3 2005/10/11 00:25:11 marka Exp $";
+static const char rcsid[] = "$Id: res_findzonecut.c,v 1.10 2005/10/11 00:10:16 marka Exp $";
 #endif /* not lint */
 
 /*
diff --git a/lib/libc/resolv/res_init.c b/lib/libc/resolv/res_init.c
index 5193c1d..b5444ef 100644
--- a/lib/libc/resolv/res_init.c
+++ b/lib/libc/resolv/res_init.c
@@ -66,7 +66,7 @@
 
 #if defined(LIBC_SCCS) && !defined(lint)
 static const char sccsid[] = "@(#)res_init.c	8.1 (Berkeley) 6/7/93";
-static const char rcsid[] = "$Id: res_init.c,v 1.16.18.7 2007/07/09 01:52:58 marka Exp $";
+static const char rcsid[] = "$Id: res_init.c,v 1.26 2008/12/11 09:59:00 marka Exp $";
 #endif /* LIBC_SCCS and not lint */
 #include <sys/cdefs.h>
 __FBSDID("$FreeBSD$");
@@ -91,6 +91,19 @@ __FBSDID("$FreeBSD$");
 #include <unistd.h>
 #include <netdb.h>
 
+#ifndef HAVE_MD5
+# include "../dst/md5.h"
+#else
+# ifdef SOLARIS2
+#  include <sys/md5.h>
+# elif _LIBC
+# include <md5.h>
+# endif
+#endif
+#ifndef _MD5_H_
+# define _MD5_H_ 1	/*%< make sure we do not include rsaref md5.h file */
+#endif
+
 #include "un-namespace.h"
 
 #include "port_after.h"
@@ -178,9 +191,12 @@ __res_vinit(res_state statp, int preinit) {
 		statp->retrans = RES_TIMEOUT;
 		statp->retry = RES_DFLRETRY;
 		statp->options = RES_DEFAULT;
-		statp->id = res_randomid();
 	}
 
+	statp->_rnd = malloc(16);
+	res_rndinit(statp);
+	statp->id = res_nrandomid(statp);
+
 	memset(u, 0, sizeof(u));
 #ifdef USELOOPBACK
 	u[nserv].sin.sin_addr = inet_makeaddr(IN_LOOPBACKNET, 1);
@@ -715,12 +731,48 @@ net_mask(in)		/*!< XXX - should really use system's version of this  */
 }
 #endif
 
+static u_char srnd[16];
+
+void
+res_rndinit(res_state statp)
+{
+	struct timeval now;
+	u_int32_t u32;
+	u_int16_t u16;
+	u_char *rnd = statp->_rnd == NULL ? srnd : statp->_rnd;
+
+	gettimeofday(&now, NULL);
+	u32 = now.tv_sec;
+	memcpy(rnd, &u32, 4);
+	u32 = now.tv_usec;
+	memcpy(rnd + 4, &u32, 4);
+	u32 += now.tv_sec;
+	memcpy(rnd + 8, &u32, 4);
+	u16 = getpid();
+	memcpy(rnd + 12, &u16, 2);
+}
+
 u_int
-res_randomid(void) {
+res_nrandomid(res_state statp) {
 	struct timeval now;
+	u_int16_t u16;
+	MD5_CTX ctx;
+	u_char *rnd = statp->_rnd == NULL ? srnd : statp->_rnd;
 
 	gettimeofday(&now, NULL);
-	return (0xffff & (now.tv_sec ^ now.tv_usec ^ getpid()));
+	u16 = (u_int16_t) (now.tv_sec ^ now.tv_usec);
+	memcpy(rnd + 14, &u16, 2);
+#ifndef HAVE_MD5
+	MD5_Init(&ctx);
+	MD5_Update(&ctx, rnd, 16);
+	MD5_Final(rnd, &ctx);
+#else
+	MD5Init(&ctx);
+	MD5Update(&ctx, rnd, 16);
+	MD5Final(rnd, &ctx);
+#endif
+	memcpy(&u16, rnd + 14, 2);
+	return ((u_int) u16);
 }
 
 /*%
@@ -750,10 +802,15 @@ res_nclose(res_state statp) {
 void
 res_ndestroy(res_state statp) {
 	res_nclose(statp);
-	if (statp->_u._ext.ext != NULL)
+	if (statp->_u._ext.ext != NULL) {
 		free(statp->_u._ext.ext);
+		statp->_u._ext.ext = NULL;
+	}
+	if (statp->_rnd != NULL) {
+		free(statp->_rnd);
+		statp->_rnd = NULL;
+	}
 	statp->options &= ~RES_INIT;
-	statp->_u._ext.ext = NULL;
 }
 
 #ifndef _LIBC
diff --git a/lib/libc/resolv/res_mkquery.c b/lib/libc/resolv/res_mkquery.c
index 7bd9cda..b60d8f5 100644
--- a/lib/libc/resolv/res_mkquery.c
+++ b/lib/libc/resolv/res_mkquery.c
@@ -1,7 +1,24 @@
 /*
+ * Portions Copyright (C) 2004, 2005, 2008  Internet Systems Consortium, Inc. ("ISC")
+ * Portions Copyright (C) 1996, 1997, 1988, 1999, 2001, 2003  Internet Software Consortium.
+ *
+ * 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.
+ */
+
+/*
  * Copyright (c) 1985, 1993
  *    The Regents of the University of California.  All rights reserved.
- * 
+ *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
@@ -13,7 +30,7 @@
  * 4. Neither the name of the University nor the names of its contributors
  *    may be used to endorse or promote products derived from this software
  *    without specific prior written permission.
- * 
+ *
  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
@@ -29,14 +46,14 @@
 
 /*
  * Portions Copyright (c) 1993 by Digital Equipment Corporation.
- * 
+ *
  * 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, and that
  * the name of Digital Equipment Corporation not be used in advertising or
  * publicity pertaining to distribution of the document or software without
  * specific, written prior permission.
- * 
+ *
  * THE SOFTWARE IS PROVIDED "AS IS" AND DIGITAL EQUIPMENT CORP. DISCLAIMS ALL
  * WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES
  * OF MERCHANTABILITY AND FITNESS.   IN NO EVENT SHALL DIGITAL EQUIPMENT
@@ -47,26 +64,9 @@
  * SOFTWARE.
  */
 
-/*
- * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC")
- * Portions Copyright (c) 1996-1999 by Internet Software Consortium.
- *
- * 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.
- */
-
 #if defined(LIBC_SCCS) && !defined(lint)
 static const char sccsid[] = "@(#)res_mkquery.c	8.1 (Berkeley) 6/4/93";
-static const char rcsid[] = "$Id: res_mkquery.c,v 1.5.18.2 2008/04/03 23:15:15 marka Exp $";
+static const char rcsid[] = "$Id: res_mkquery.c,v 1.10 2008/12/11 09:59:00 marka Exp $";
 #endif /* LIBC_SCCS and not lint */
 #include <sys/cdefs.h>
 __FBSDID("$FreeBSD$");
@@ -121,7 +121,8 @@ res_nmkquery(res_state statp,
 		return (-1);
 	memset(buf, 0, HFIXEDSZ);
 	hp = (HEADER *) buf;
-	hp->id = htons(++statp->id);
+	statp->id = res_nrandomid(statp);
+	hp->id = htons(statp->id);
 	hp->opcode = op;
 	hp->rd = (statp->options & RES_RECURSE) != 0U;
 	hp->rcode = NOERROR;
diff --git a/lib/libc/resolv/res_mkupdate.c b/lib/libc/resolv/res_mkupdate.c
index 589c056..00bce4c 100644
--- a/lib/libc/resolv/res_mkupdate.c
+++ b/lib/libc/resolv/res_mkupdate.c
@@ -22,7 +22,7 @@
  */
 
 #if !defined(lint) && !defined(SABER)
-static const char rcsid[] = "$Id: res_mkupdate.c,v 1.4.18.4 2005/10/14 05:44:12 marka Exp $";
+static const char rcsid[] = "$Id: res_mkupdate.c,v 1.10 2008/12/11 09:59:00 marka Exp $";
 #endif /* not lint */
 #include <sys/cdefs.h>
 __FBSDID("$FreeBSD$");
@@ -116,7 +116,8 @@ res_nmkupdate(res_state statp, ns_updrec *rrecp_in, u_char *buf, int buflen) {
 		return (-1);
 	memset(buf, 0, HFIXEDSZ);
 	hp = (HEADER *) buf;
-	hp->id = htons(++statp->id);
+	statp->id = res_nrandomid(statp);
+	hp->id = htons(statp->id);
 	hp->opcode = ns_o_update;
 	hp->rcode = NOERROR;
 	cp = buf + HFIXEDSZ;
diff --git a/lib/libc/resolv/res_query.c b/lib/libc/resolv/res_query.c
index 854909c..4ae97f6 100644
--- a/lib/libc/resolv/res_query.c
+++ b/lib/libc/resolv/res_query.c
@@ -1,7 +1,24 @@
 /*
+ * Portions Copyright (C) 2004, 2005, 2008  Internet Systems Consortium, Inc. ("ISC")
+ * Portions Copyright (C) 1996-2001, 2003  Internet Software Consortium.
+ *
+ * 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.
+ */
+
+/*
  * Copyright (c) 1988, 1993
  *    The Regents of the University of California.  All rights reserved.
- * 
+ *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
@@ -13,7 +30,7 @@
  * 4. Neither the name of the University nor the names of its contributors
  *    may be used to endorse or promote products derived from this software
  *    without specific prior written permission.
- * 
+ *
  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
@@ -29,14 +46,14 @@
 
 /*
  * Portions Copyright (c) 1993 by Digital Equipment Corporation.
- * 
+ *
  * 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, and that
  * the name of Digital Equipment Corporation not be used in advertising or
  * publicity pertaining to distribution of the document or software without
  * specific, written prior permission.
- * 
+ *
  * THE SOFTWARE IS PROVIDED "AS IS" AND DIGITAL EQUIPMENT CORP. DISCLAIMS ALL
  * WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES
  * OF MERCHANTABILITY AND FITNESS.   IN NO EVENT SHALL DIGITAL EQUIPMENT
@@ -47,26 +64,9 @@
  * SOFTWARE.
  */
 
-/*
- * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC")
- * Portions Copyright (c) 1996-1999 by Internet Software Consortium.
- *
- * 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.
- */
-
 #if defined(LIBC_SCCS) && !defined(lint)
 static const char sccsid[] = "@(#)res_query.c	8.1 (Berkeley) 6/4/93";
-static const char rcsid[] = "$Id: res_query.c,v 1.7.18.2 2008/04/03 23:15:15 marka Exp $";
+static const char rcsid[] = "$Id: res_query.c,v 1.11 2008/11/14 02:36:51 marka Exp $";
 #endif /* LIBC_SCCS and not lint */
 #include <sys/cdefs.h>
 __FBSDID("$FreeBSD$");
diff --git a/lib/libc/resolv/res_send.c b/lib/libc/resolv/res_send.c
index f7c38c5..fd1cd06 100644
--- a/lib/libc/resolv/res_send.c
+++ b/lib/libc/resolv/res_send.c
@@ -1,7 +1,24 @@
 /*
+ * Portions Copyright (C) 2004-2009  Internet Systems Consortium, Inc. ("ISC")
+ * Portions Copyright (C) 1996-2003  Internet Software Consortium.
+ *
+ * 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.
+ */
+
+/*
  * Copyright (c) 1985, 1989, 1993
  *    The Regents of the University of California.  All rights reserved.
- * 
+ *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
@@ -13,7 +30,7 @@
  * 4. Neither the name of the University nor the names of its contributors
  *    may be used to endorse or promote products derived from this software
  *    without specific prior written permission.
- * 
+ *
  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
@@ -29,14 +46,14 @@
 
 /*
  * Portions Copyright (c) 1993 by Digital Equipment Corporation.
- * 
+ *
  * 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, and that
  * the name of Digital Equipment Corporation not be used in advertising or
  * publicity pertaining to distribution of the document or software without
  * specific, written prior permission.
- * 
+ *
  * THE SOFTWARE IS PROVIDED "AS IS" AND DIGITAL EQUIPMENT CORP. DISCLAIMS ALL
  * WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES
  * OF MERCHANTABILITY AND FITNESS.   IN NO EVENT SHALL DIGITAL EQUIPMENT
@@ -47,26 +64,9 @@
  * SOFTWARE.
  */
 
-/*
- * Copyright (c) 2005 by Internet Systems Consortium, Inc. ("ISC")
- * Portions Copyright (c) 1996-1999 by Internet Software Consortium.
- *
- * 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.
- */
-
 #if defined(LIBC_SCCS) && !defined(lint)
 static const char sccsid[] = "@(#)res_send.c	8.1 (Berkeley) 6/4/93";
-static const char rcsid[] = "$Id: res_send.c,v 1.9.18.10 2008/01/27 02:06:26 marka Exp $";
+static const char rcsid[] = "$Id: res_send.c,v 1.22 2009/01/22 23:49:23 tbox Exp $";
 #endif /* LIBC_SCCS and not lint */
 #include <sys/cdefs.h>
 __FBSDID("$FreeBSD$");
@@ -353,7 +353,7 @@ res_nsend(res_state statp,
 				if (EXT(statp).nssocks[ns] == -1)
 					continue;
 				peerlen = sizeof(peer);
-				if (_getsockname(EXT(statp).nssocks[ns],
+				if (_getpeername(EXT(statp).nssocks[ns],
 				    (struct sockaddr *)&peer, &peerlen) < 0) {
 					needclose++;
 					break;
@@ -404,7 +404,7 @@ res_nsend(res_state statp,
 		nstime = EXT(statp).nstimes[0];
 		for (ns = 0; ns < lastns; ns++) {
 			if (EXT(statp).ext != NULL)
-                                EXT(statp).ext->nsaddrs[ns] = 
+				EXT(statp).ext->nsaddrs[ns] =
 					EXT(statp).ext->nsaddrs[ns + 1];
 			statp->nsaddr_list[ns] = statp->nsaddr_list[ns + 1];
 			EXT(statp).nssocks[ns] = EXT(statp).nssocks[ns + 1];
@@ -687,12 +687,12 @@ send_vc(res_state statp,
 		/*
 		 * Disable generation of SIGPIPE when writing to a closed
 		 * socket.  Write should return -1 and set errno to EPIPE
-		 * instead. 
+		 * instead.
 		 *
 		 * Push on even if setsockopt(SO_NOSIGPIPE) fails.
 		 */
 		(void)_setsockopt(statp->_vcsock, SOL_SOCKET, SO_NOSIGPIPE, &on,
-			         sizeof(on));
+				 sizeof(on));
 #endif
 		errno = 0;
 		if (_connect(statp->_vcsock, nsap, nsaplen) < 0) {
diff --git a/lib/libc/resolv/res_update.c b/lib/libc/resolv/res_update.c
index a05e26d..8e866e3 100644
--- a/lib/libc/resolv/res_update.c
+++ b/lib/libc/resolv/res_update.c
@@ -1,5 +1,5 @@
 #if !defined(lint) && !defined(SABER)
-static const char rcsid[] = "$Id: res_update.c,v 1.12.18.1 2005/04/27 05:01:12 sra Exp $";
+static const char rcsid[] = "$Id: res_update.c,v 1.13 2005/04/27 04:56:43 sra Exp $";
 #endif /* not lint */
 
 /*