ssh suicides if the remote end disconnects in the middle of protocol
negoitation. The hooks are all there to prevent this but where not
used - perhaps the author was interrupted during the implementation?
:-)

-Steve

Reference: /n/sources/patch/applied/ssh-suicide
Date: Fri Jun 24 16:40:46 CES 2005

--- /sys/src/cmd/ssh/authtis.c	Fri Jun 24 16:36:35 2005
+++ /sys/src/cmd/ssh/authtis.c	Fri Jun 24 16:36:33 2005
@@ -13,7 +13,7 @@
 	debug(DBG_AUTH, "try TIS\n");
 	sendmsg(allocmsg(c, SSH_CMSG_AUTH_TIS, 0));
 
-	m = recvmsg(c, 0);
+	m = recvmsg(c, -1);
 	switch(m->type){
 	default:
 		badmsg(m, SSH_SMSG_AUTH_TIS_CHALLENGE);
@@ -44,7 +44,7 @@
 	putstring(m, resp);
 	sendmsg(m);
 	
-	m = recvmsg(c, 0);
+	m = recvmsg(c, -1);
 	switch(m->type){
 	default:
 		badmsg(m, 0);
--- /sys/src/cmd/ssh/agent.c	Fri Jun 24 16:36:50 2005
+++ /sys/src/cmd/ssh/agent.c	Fri Jun 24 16:36:46 2005
@@ -172,7 +172,7 @@
 	m = allocmsg(c, SSH_CMSG_AGENT_REQUEST_FORWARDING, 0);
 	sendmsg(m);
 
-	m = recvmsg(c, 0);
+	m = recvmsg(c, -1);
 	switch(m->type){
 	case SSH_SMSG_SUCCESS:
 		debug(DBG_AUTH, "agent allocated\n");
--- /sys/src/cmd/ssh/authpasswd.c	Fri Jun 24 16:37:04 2005
+++ /sys/src/cmd/ssh/authpasswd.c	Fri Jun 24 16:37:02 2005
@@ -17,7 +17,7 @@
 	putstring(m, up->passwd);
 	sendmsg(m);
 
-	m = recvmsg(c, 0);
+	m = recvmsg(c, -1);
 	switch(m->type){
 	default:
 		badmsg(m, 0);
--- /sys/src/cmd/ssh/authrsa.c	Fri Jun 24 16:37:23 2005
+++ /sys/src/cmd/ssh/authrsa.c	Fri Jun 24 16:37:21 2005
@@ -38,7 +38,7 @@
 		putmpint(m, mod);
 		sendmsg(m);
 		mpfree(mod);
-		m = recvmsg(c, 0);
+		m = recvmsg(c, -1);
 		switch(m->type){
 		case SSH_SMSG_FAILURE:
 			debug(DBG_AUTH, "\tnot accepted\n", (char*)rpc->arg);
@@ -87,7 +87,7 @@
 		putbytes(m, response, MD5dlen);
 		sendmsg(m);
 
-		m = recvmsg(c, 0);
+		m = recvmsg(c, -1);
 		switch(m->type){
 		case SSH_SMSG_FAILURE:
 			free(m);