- IPv6 workarounds from Hideaki YOSHIFUJI <yoshfuji@ecei.tohoku.ac.jp>
diff --git a/CREDITS b/CREDITS
index 50a0447..43f1c1a 100644
--- a/CREDITS
+++ b/CREDITS
@@ -19,6 +19,7 @@
David Rankin <drankin@bohemians.lexington.ky.us> - libwrap, AIX, NetBSD fixes
Gary E. Miller <gem@rellim.com> - SCO support
HARUYAMA Seigo <haruyama@nt.phys.s.u-tokyo.ac.jp> - Translations & doc fixes
+Hideaki YOSHIFUJI <yoshfuji@ecei.tohoku.ac.jp> - IPv6 fixes
Hiroshi Takekawa <takekawa@sr3.t.u-tokyo.ac.jp> - Configure fixes
Holger Trapp <Holger.Trapp@Informatik.TU-Chemnitz.DE> - KRB4/AFS config patch
Jani Hakala <jahakala@cc.jyu.fi> - Patches
diff --git a/ChangeLog b/ChangeLog
index eba385a..04fef5e 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -4,6 +4,7 @@
[sshd.c]
- disallow guessing of root password
- More configure fixes
+ - IPv6 workarounds from Hideaki YOSHIFUJI <yoshfuji@ecei.tohoku.ac.jp>
20000309
- OpenBSD CVS updates to v1.2.3
diff --git a/acconfig.h b/acconfig.h
index 7f51937..ee3be6e 100644
--- a/acconfig.h
+++ b/acconfig.h
@@ -153,6 +153,12 @@
/* getaddrinfo is broken (if present) */
#undef BROKEN_GETADDRINFO
+/* Workaround more Linux IPv6 bugs */
+#undef DONT_TRY_OTHER_AF
+
+/* Detect IPv4 in IPv6 mapped addresses and treat as IPv4 */
+#undef IPV4_IN_IPV6
+
@BOTTOM@
/* ******************* Shouldn't need to edit below this line ************** */
diff --git a/canohost.c b/canohost.c
index 9a6d8b7..a11d663 100644
--- a/canohost.c
+++ b/canohost.c
@@ -14,7 +14,7 @@
*/
#include "includes.h"
-RCSID("$Id: canohost.c,v 1.7 2000/01/14 04:45:48 damien Exp $");
+RCSID("$Id: canohost.c,v 1.8 2000/03/11 09:45:41 damien Exp $");
#include "packet.h"
#include "xmalloc.h"
@@ -42,6 +42,30 @@
debug("getpeername failed: %.100s", strerror(errno));
fatal_cleanup();
}
+
+#ifdef IPV4_IN_IPV6
+ if (from.ss_family == AF_INET6) {
+ struct sockaddr_in6 *from6 = (struct sockaddr_in6 *)&from;
+
+ /* Detect IPv4 in IPv6 mapped address and convert it to */
+ /* plain (AF_INET) IPv4 address */
+ if (IN6_IS_ADDR_V4MAPPED(&from6->sin6_addr)) {
+ struct sockaddr_in *from4 = (struct sockaddr_in *)&from;
+ struct in_addr addr;
+ u_int16_t port;
+
+ memcpy(&addr, ((char *)&from6->sin6_addr) + 12, sizeof(addr));
+ port = from6->sin6_port;
+
+ memset(&from, 0, sizeof(from));
+
+ from4->sin_family = AF_INET;
+ memcpy(&from4->sin_addr, &addr, sizeof(addr));
+ from4->sin_port = port;
+ }
+ }
+#endif
+
if (getnameinfo((struct sockaddr *)&from, fromlen, ntop, sizeof(ntop),
NULL, 0, NI_NUMERICHOST) != 0)
fatal("get_remote_hostname: getnameinfo NI_NUMERICHOST failed");
diff --git a/channels.c b/channels.c
index 7d5e9a1..090cbf0 100644
--- a/channels.c
+++ b/channels.c
@@ -16,7 +16,7 @@
*/
#include "includes.h"
-RCSID("$Id: channels.c,v 1.17 2000/03/03 11:35:33 damien Exp $");
+RCSID("$Id: channels.c,v 1.18 2000/03/11 09:45:41 damien Exp $");
#include "ssh.h"
#include "packet.h"
@@ -1215,8 +1215,12 @@
break;
}
socks[num_socks++] = sock;
+#ifndef DONT_TRY_OTHER_AF
if (num_socks == NUM_SOCKS)
break;
+#else
+ break;
+#endif
}
if (num_socks > 0)
break;
diff --git a/configure.in b/configure.in
index 90aadd9..4f1e479 100644
--- a/configure.in
+++ b/configure.in
@@ -55,6 +55,8 @@
;;
*-*-linux*)
no_dev_ptmx=1
+ AC_DEFINE(DONT_TRY_OTHER_AF)
+ inet6_default_4in6=yes
;;
*-*-netbsd*)
need_dash_r=1
@@ -788,6 +790,26 @@
]
)
+AC_MSG_CHECKING([to convert IPv4 in IPv6-mapped addresses])
+AC_ARG_WITH(4in6,
+ [ --with-4in6 Check for and convert IPv4 in IPv6 mapped addresses],
+ [
+ if test "x$withval" != "xno" ; then
+ AC_MSG_RESULT(yes)
+ AC_DEFINE(IPV4_IN_IPV6)
+ else
+ AC_MSG_RESULT(no)
+ fi
+ ],[
+ if test "x$inet6_default_4in6" = "xyes"; then
+ AC_MSG_RESULT([yes (default)])
+ AC_DEFINE(IPV4_IN_IPV6)
+ else
+ AC_MSG_RESULT([no (default)])
+ fi
+ ]
+)
+
# Where to place sshd.pid
piddir=/var/run
AC_ARG_WITH(pid-dir,