Update.

1997-05-29 12:48  Ulrich Drepper  <drepper@cygnus.com>

	* io/ftw.c: Complete rewrite.  Add implementation of `nftw'.
	* io/ftw.h: Update for new implementation and XPG4.2.

	* login/Makefile: Update for UTMP daemon implementation.

	Update resolver code to bind-4.9.6-T1A.
	* resolv/Banner: Update.
	* nss/digits_dots.c: Adapt text address matching to T1A.
	* nss/nss_files/files-hosts.c: Always use inet_pton.
	* resolv/base64.c (b64_pton): Follow T1A but don't use this code since
	it would lead to warnings.
	* resolv/gethnamaddr.c (getanswer): Test host name for maximal length
	at several places.
	* resolv/inet_net_pton.c (inet_net_pton_ipv4): Correct typo in comment.
	* resolv/res_comp.c (dn_expand): Check for overflow.
	(dn_comp): Likewise.
	* resolv/res_debug.c (precsize_aton): Better implementation.
	* resolv/res_init.c (res_init): Make `buf' of size MAXDNAME.
	* resolv/res_send.c (res_send): Check for overflow in descriptor set.
	* resolv/nss_dns/dns-host.c (getanswer_r): Test host name for maximal
	length at several places.

1997-05-29 12:51  Mark Kettenis  <kettenis@phys.uva.nl>

	* login/utmp-private.h (struct utfuncs): Add one more parameter
	to updwtmp function.
	Declare all three function jump tables.
	* login/utmp.h: Declare __utmpname.
	* login/getutent_r.c: Remove db backend and provide support for
	utmpd backend.
	* login/login.c: Use `updwtmp' function insteead of writing the
	record ourself.
	* login/logwtmp.c: Move `updwtmp' function to...
	* login/updwtmp.c: ...here.  New file.
	* login/utmp_db.h: Removed.
	* login/utmp_file.c: Add updwtmp function to write to file.
	* login/utmp_daemon.c: New file.  Daemon backend.
	* login/utmpname.c: New file.  Implementation of utmpname function.
	* login/utmpdump.c: New file.  Tool to dump utmp-like files.
	* login/utmpd/connection.c: New file.
	* login/utmpd/database.c: New file.
	* login/utmpd/error.c: New file.
	* login/utmpd/request.c: New file.
	* login/utmpd/utmpd-private.h: New file.
	* login/utmpd/utmpd.c: New file.
	* login/utmpd/utmpd.h: New file.
	* login/utmpd/xtmp.c: New file.
	* login/utmpd/xtmp.h: New file.

1997-05-29 12:28  Jim Meyering  <meyering@eng.ascend.com>

	* time/strftime.c: Correct/normalize indentation in cpp directives.

1997-05-28 20:43  Philip Blundell  <pjb27@cam.ac.uk>

	* nis/nis_error.c: Include <string.h> to fix warning.
	* nis/nis_print.c: Likewise.
	* nis/nss_nisplus/nisplus-hosts.c: Arg 3 of map_v4v6_hostent
	is int* not size_t*.

1997-05-28 21:56  Andreas Jaeger  <aj@arthur.rhein-neckar.de>

	* math/cmathcalls.h: Correct typo in comment.

	* inet/netinet/icmp6.h: Include <netinet/in.h> for in6_addr.

	* sysdeps/unix/sysv/linux/netinet/ip_fw.h: Include <net/if.h> for
	IFNAMSIZ.

	* sysdeps/unix/sysv/linux/net/ppp_defs.h: Include <time.h> for
	time_t.

	* login/pty.h: Include <ioctl-types.h> for definition of struct
	winsize.

	* misc/regexp.h (compile): Correct typo.

	* argp/argp.h: Put extern before __const in defintion of
	argp_program_bug_address.

1997-05-29 00:20  Ulrich Drepper  <drepper@cygnus.com>

	* sysdeps/wordsize-32/inttypes.h: Correct names of unsigned fast
	and least types.  Correct names of ?INT_FAST*_{MIN,MAX} macros.
	* sysdeps/wordsize-64/inttypes.h: Likewise.
	Reported by Andreas Jaeger <aj@arthur.rhein-neckar.de>.

1997-05-28 22:51  Ulrich Drepper  <drepper@cygnus.com>

	* sysdeps/unix/Makefile (make-ioctls-CFLAGS): Use generic
	ttydefaults.h file instead of non-existing version in termios/sys.
	Reported by Zack Weinberg <zack@rabi.phys.columbia.edu>.

	* time/strptime.c (strptime_internal, case 'Y'): Restrict year
	number to four digits and to representable range for 4 byte time_t
	values.
	Patch by H.J. Lu <hjl@lucon.org>.

1997-05-28 18:19  Philip Blundell  <pjb27@cam.ac.uk>

	* posix/execl.c: Include <alloca.h> to avoid warning.

1997-05-27 18:19  Andreas Jaeger  <aj@arthur.rhein-neckar.de>

	* math/libm-test.c: Implement testing of inlined functions, make
	output nicer, update comments.

	* math/test-idouble.c: New file.  Frontend for double tests of
	inlined functions.
	* math/test-ildoubl.c: New file.  Frontend for long double tests of
	inlined functions.
	* math/test-ifloat.c: New file.  Frontend for float tests of
	inlined functions.

	* math/test-longdouble.c: Rename to...
	* math/test-ldouble.c: ...this.

	* math/Makefile: Add rules for new test programs, change rules for
	renaming of longdouble test.

1997-05-20 15:50  H.J. Lu  <hjl@gnu.ai.mit.edu>

	* sunrpc/rpc/svc.h (__dispatch_fn_t): New.
	(svc_register): Use __dispatch_fn_t in prototype.

1997-05-28 17:02  Ulrich Drepper  <drepper@cygnus.com>

	* sysdeps/generic/bzero.c (bzero): Fix typo.
	Patch by Witek Wnuk <spider@pest.waw.ids.edu.pl>.

1997-05-27 12:00  Andreas Jaeger  <aj@arthur.rhein-neckar.de>

	* sysdeps/generic/vtimes.c: Use ISO C declaration style.

	* sysdeps/unix/bsd/ualarm.c: Include <unistd.h> for prototype.

	* sysdeps/generic/memccpy.c: Include <string.h> for prototype.

	* signal/tst-signal.c (handler): Correct function declaration to
	avoid warning.
	* stdlib/testsort.c (compare): Likewise.
	* string/tester.c: Likewise.

1997-05-27 14:16  Miles Bader  <miles@gnu.ai.mit.edu>

	* argp-help.c (argp_args_usage): Supply correct argp to filter_doc.

1997-05-27 17:51  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* db/hash/extern.h, db/hash/hash.c, db/hash/hash.h,
	db/hash/hash_log2.c: Rename __log2 to __hash_log2 to avoid clash
	with libm.

1997-05-27 14:47  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* sysdeps/m68k/fpu/e_atan2.c: Fix missing negate.  Use __m81_test
	instead of explicit comparisons.

1997-05-26 18:36  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* inet/netinet/icmp6.h: Remove use of <asm/bitops.h> which has no
	place in a generic header and is no user include file.

1 files changed, 6 insertions, 1 deletions

diff --git a/resolv/res_comp.c b/resolv/res_comp.c
index a9ca69e..ed4bcdc 100644
--- a/resolv/res_comp.c
+++ b/resolv/res_comp.c
@@ -94,7 +94,7 @@ dn_expand(msg, eomorig, comp_dn, exp_dn, length)
 	register char *dn;
 	register int n, c;
 	char *eom;
-	int len = -1, checked = 0;
+	int len = -1, checked = 0, octets = 0;
 
 	dn = exp_dn;
 	cp = comp_dn;
@@ -108,6 +108,9 @@ dn_expand(msg, eomorig, comp_dn, exp_dn, length)
 		 */
 		switch (n & INDIR_MASK) {
 		case 0:
+			octets += (n + 1);
+			if (octets > MAXCDNAME)
+				return (-1);
 			if (dn != exp_dn) {
 				if (dn >= eom)
 					return (-1);
@@ -179,6 +182,8 @@ dn_comp(exp_dn, comp_dn, length, dnptrs, lastdnptr)
 
 	dn = (u_char *)exp_dn;
 	cp = comp_dn;
+	if (length > MAXCDNAME)
+		length = MAXCDNAME;
 	eob = cp + length;
 	lpp = cpp = NULL;
 	if (dnptrs != NULL) {