Update Bind to 9.9.3-P2

Notable new features:

*  Elliptic Curve Digital Signature Algorithm keys and signatures in
   DNSSEC are now supported per RFC 6605. [RT #21918]

*  Introduces a new tool "dnssec-verify" that validates a signed zone,
   checking for the correctness of signatures and NSEC/NSEC3 chains.
   [RT #23673]

*  BIND now recognizes the TLSA resource record type, created to
   support IETF DANE (DNS-based Authentication of Named Entities)
   [RT #28989]

*  The new "inline-signing" option, in combination with the
   "auto-dnssec" option that was introduced in BIND 9.7, allows
   named to sign zones completely transparently.

Approved by:	delphij (mentor)
MFC after:	3 days
Sponsored by:	DK Hostmaster A/S

1 files changed, 14 insertions, 5 deletions

diff --git a/contrib/bind9/lib/dns/rdata.c b/contrib/bind9/lib/dns/rdata.c
index 3865f42..a83dab4 100644
--- a/contrib/bind9/lib/dns/rdata.c
+++ b/contrib/bind9/lib/dns/rdata.c
@@ -15,6 +15,8 @@
  * PERFORMANCE OF THIS SOFTWARE.
  */
 
+/* $Id$ */
+
 /*! \file */
 
 #include <config.h>
@@ -878,7 +880,8 @@ dns_rdata_totext(dns_rdata_t *rdata, dns_name_t *origin, isc_buffer_t *target)
 isc_result_t
 dns_rdata_tofmttext(dns_rdata_t *rdata, dns_name_t *origin,
 		    unsigned int flags, unsigned int width,
-		    const char *linebreak, isc_buffer_t *target)
+		    unsigned int split_width, const char *linebreak,
+		    isc_buffer_t *target)
 {
 	dns_rdata_textctx_t tctx;
 
@@ -889,11 +892,16 @@ dns_rdata_tofmttext(dns_rdata_t *rdata, dns_name_t *origin,
 	 */
 	tctx.origin = origin;
 	tctx.flags = flags;
-	if ((flags & DNS_STYLEFLAG_MULTILINE) != 0) {
+	if (split_width == 0xffffffff)
 		tctx.width = width;
+	else
+		tctx.width = split_width;
+
+	if ((flags & DNS_STYLEFLAG_MULTILINE) != 0)
 		tctx.linebreak = linebreak;
-	} else {
-		tctx.width = 60; /* Used for hex word length only. */
+	else {
+		if (split_width == 0xffffffff)
+			tctx.width = 60; /* Used for hex word length only. */
 		tctx.linebreak = " ";
 	}
 	return (rdata_totext(rdata, &tctx, target));
@@ -1409,7 +1417,8 @@ multitxt_fromwire(isc_buffer_t *source, isc_buffer_t *target) {
 		if (n > tregion.length)
 			return (ISC_R_NOSPACE);
 
-		memcpy(tregion.base, sregion.base, n);
+		if (tregion.base != sregion.base)
+			memcpy(tregion.base, sregion.base, n);
 		isc_buffer_forward(source, n);
 		isc_buffer_add(target, n);
 		isc_buffer_activeregion(source, &sregion);