Allow even shorter SSH client names... specifically, SSH-2.0-Go

3rdp/build/GNUmakefile

@@ -67,7 +67,7 @@ $(CRYPT_SRC): | $(3RDPSRCDIR)
 $(CRYPT_IDIR): | $(3RDPODIR)
 	$(QUIET)$(IFNOTEXIST) mkdir $(CRYPT_IDIR)
 
-$(CRYPTLIB_BUILD): $(3RDP_ROOT)$(DIRSEP)dist/cryptlib.zip $(3RDP_ROOT)$(DIRSEP)build/SSL-fix.patch $(3RDP_ROOT)$(DIRSEP)build/Dynamic-linked-static-lib.patch $(3RDP_ROOT)$(DIRSEP)build/terminal-params.patch $(3RDP_ROOT)$(DIRSEP)build/cl-mingw32-static.patch $(3RDP_ROOT)$(DIRSEP)build/cl-ranlib.patch $(3RDP_ROOT)$(DIRSEP)build/cl-PAM-noprompts.patch $(3RDP_ROOT)$(DIRSEP)build/cl-getseed64.patch $(3RDP_ROOT)$(DIRSEP)build/cl-endian.patch $(3RDP_ROOT)$(DIRSEP)build/cl-win32-compile.patch $(3RDP_ROOT)$(DIRSEP)build/cl-win32-compile2.patch $(3RDP_ROOT)$(DIRSEP)build/cl-win32-noasm.patch $(3RDP_ROOT)$(DIRSEP)build/cl-zz-country.patch $(3RDP_ROOT)$(DIRSEP)build/cl-algorithms.patch $(3RDP_ROOT)$(DIRSEP)build/cl-allow-duplicate-ext.patch $(3RDP_ROOT)$(DIRSEP)build/cl-select-fix.patch | $(CRYPT_SRC) $(CRYPT_IDIR)
+$(CRYPTLIB_BUILD): $(3RDP_ROOT)$(DIRSEP)dist/cryptlib.zip $(3RDP_ROOT)$(DIRSEP)build/SSL-fix.patch $(3RDP_ROOT)$(DIRSEP)build/Dynamic-linked-static-lib.patch $(3RDP_ROOT)$(DIRSEP)build/terminal-params.patch $(3RDP_ROOT)$(DIRSEP)build/cl-mingw32-static.patch $(3RDP_ROOT)$(DIRSEP)build/cl-ranlib.patch $(3RDP_ROOT)$(DIRSEP)build/cl-PAM-noprompts.patch $(3RDP_ROOT)$(DIRSEP)build/cl-getseed64.patch $(3RDP_ROOT)$(DIRSEP)build/cl-endian.patch $(3RDP_ROOT)$(DIRSEP)build/cl-win32-compile.patch $(3RDP_ROOT)$(DIRSEP)build/cl-win32-compile2.patch $(3RDP_ROOT)$(DIRSEP)build/cl-win32-noasm.patch $(3RDP_ROOT)$(DIRSEP)build/cl-zz-country.patch $(3RDP_ROOT)$(DIRSEP)build/cl-algorithms.patch $(3RDP_ROOT)$(DIRSEP)build/cl-allow-duplicate-ext.patch $(3RDP_ROOT)$(DIRSEP)build/cl-select-fix.patch $(3RDP_ROOT)$(DIRSEP)build/cl-short-client-name.patch | $(CRYPT_SRC) $(CRYPT_IDIR)
 	@echo Creating $@ ...
 	$(QUIET)-rm -rf $(CRYPT_SRC)/*
 	$(QUIET)unzip -oa $(3RDPDISTDIR)$(DIRSEP)cryptlib.zip -d $(CRYPT_SRC)
@@ -88,6 +88,7 @@ $(CRYPTLIB_BUILD): $(3RDP_ROOT)$(DIRSEP)dist/cryptlib.zip $(3RDP_ROOT)$(DIRSEP)b
 	$(QUIET)patch -p0 -d $(CRYPT_SRC) < cl-algorithms.patch
 	$(QUIET)patch -p0 -d $(CRYPT_SRC) < cl-allow-duplicate-ext.patch
 	$(QUIET)patch -p0 -d $(CRYPT_SRC) < cl-select-fix.patch
+	$(QUIET)patch -p0 -d $(CRYPT_SRC) < cl-short-client-name.patch
 ifeq ($(CC),mingw32-gcc)
 	$(QUIET)cd $(CRYPT_SRC) && env - PATH="$(PATH)" CC="$(CC)" AR="$(AR)" RANLIB="$(RANLIB)" make directories
 	$(QUIET)cd $(CRYPT_SRC) && env - PATH="$(PATH)" CC="$(CC)" AR="$(AR)" RANLIB="$(RANLIB)" make toolscripts

3rdp/build/cl-short-client-name.patch

+--- session/ssh.c.orig	2018-03-12 21:28:40.049142000 -0400
++++ session/ssh.c	2018-03-12 21:28:57.425639000 -0400
+@@ -306,8 +306,8 @@
+ 
+ 	/* Make sure that we got enough data to work with.  We need at least 
+ 	   "SSH-" (ID, size SSH_ID_SIZE) + "x.y-" (protocol version) + "xxxxx" 
+-	   (software version/ID, of which the shortest-known is "ConfD") */
+-	if( length < SSH_ID_SIZE + 9 || length > SSH_ID_MAX_SIZE )
++	   (software version/ID, of which the shortest-known is "Go") */
++	if( length < SSH_ID_SIZE + 6 || length > SSH_ID_MAX_SIZE )
+ 		{
+ 		retExt( CRYPT_ERROR_BADDATA,
+ 				( CRYPT_ERROR_BADDATA, SESSION_ERRINFO,