From a12e104e3911c694bd56fe3519e14ae63e995611 Mon Sep 17 00:00:00 2001
From: Theodore Tso <tytso@mit.edu>
Date: Sat, 27 May 1995 01:43:29 +0000
Subject: [PATCH] Remove backward compatibility code for Kerberos V3 (!) which
 was causing problems for shared libraries.  Library code shouldn't try to
 reference global variables defined by the calling application!

git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@5905 dc483132-0cff-0310-8789-dd5450dbe970
---
 src/lib/krb4/ChangeLog     |  7 +++++++
 src/lib/krb4/Makefile.in   | 17 ++++++++++++++++-
 src/lib/krb4/configure.in  |  2 ++
 src/lib/krb4/cr_err_repl.c | 10 ++++++++++
 4 files changed, 35 insertions(+), 1 deletion(-)

diff --git a/src/lib/krb4/ChangeLog b/src/lib/krb4/ChangeLog
index aaef9fd11..e8feae285 100644
--- a/src/lib/krb4/ChangeLog
+++ b/src/lib/krb4/ChangeLog
@@ -1,3 +1,10 @@
+Fri May 26 21:11:38 1995  Theodore Y. Ts'o  (tytso@dcl)
+
+	* cr_err_repl.c (cr_err_reply): Remove backward compatibility code
+		for Kerberos V3 (!) which was causing problems for shared
+		libraries.  Library code shouldn't try to reference global
+		variables defined by the calling application!
+
 Sun May 21 16:06:20 1995  Ezra Peisach  <epeisach@kangaroo.mit.edu>
 
 	* dest_tkt.c: If O_SYNC is not defined, define as 0.
diff --git a/src/lib/krb4/Makefile.in b/src/lib/krb4/Makefile.in
index 888bb3740..c49dfd1ca 100644
--- a/src/lib/krb4/Makefile.in
+++ b/src/lib/krb4/Makefile.in
@@ -8,6 +8,10 @@ DEFINES=-I$(srcdir)/../../include/kerberosIV
 
 EHDRDIR=$(BUILDTOP)$(S)include
 
+.c.o:
+	$(CC) $(CFLAGS) -c $(srcdir)/$*.c
+@SHARED_RULE@
+
 OBJS	= \
 	cr_auth_repl.$(OBJEXT) \
 	cr_ciph.$(OBJEXT) \
@@ -81,6 +85,9 @@ SRCS = \
 	$(LIB_KRB_HOSTSRCS) $(SERVER_KRB_SRCS) $(NETIO_OBJS) $(REALMDBSRCS)
 
 
+LIB_SUBDIRS= .
+LIBDONE= ./DONE
+
 #
 # These objects implement ticket cacheing for Unix.  They are
 # replaced by other files when compiling for Windows or Mac.
@@ -156,12 +163,19 @@ install:: install-$(WHAT)
 # We want *library* compiler options...
 DBG=$(DBG_LIB)
 
-all-unix:: $(LIBNAME) krb_err.h includes
+all-unix:: shared $(LIBNAME) krb_err.h includes
+
+shared:
+	mkdir shared
 
 # comp_et_depend(krb_err)
 krb_err.h:: krb_err.et
 krb_err.c: krb_err.et
 
+krb_err.o: krb_err.c
+	$(CC) $(CFLAGS) -c krb_err.c
+@SHARED_RULE_LOCAL@
+
 depend:: krb_err.h
 #
 
@@ -233,6 +247,7 @@ clean-unix::
 	-$(RM) krb_err.c
 	-$(RM) krb_err.h
 	-$(RM) ../../include/krb_err.h
+	-$(RM) shared/*
 
 clean-windows::
 	-$(RM) kerberos.lib
diff --git a/src/lib/krb4/configure.in b/src/lib/krb4/configure.in
index dd1efc350..37487e5a0 100644
--- a/src/lib/krb4/configure.in
+++ b/src/lib/krb4/configure.in
@@ -46,6 +46,8 @@ AC_FUNC_CHECK(strsave,AC_DEFINE(HAVE_STRSAVE))
 AC_FUNC_CHECK(setreuid,AC_DEFINE(HAVE_SETREUID))
 AC_FUNC_CHECK(setresuid,AC_DEFINE(HAVE_SETRESUID))
 ET_RULES
+V5_SHARED_LIB_OBJS
 SubdirLibraryRule([$(OBJS)])
+V5_MAKE_SHARED_LIB(libkrb4)
 KRB_INCLUDE
 V5_AC_OUTPUT_MAKEFILE
diff --git a/src/lib/krb4/cr_err_repl.c b/src/lib/krb4/cr_err_repl.c
index 068d4e2ba..7f68bda76 100644
--- a/src/lib/krb4/cr_err_repl.c
+++ b/src/lib/krb4/cr_err_repl.c
@@ -13,8 +13,14 @@
 #include "prot.h"
 #include <string.h>
 
+/*
+ * This is only needed for backwards compatibility for Kerberos V3 (!)
+ * and it causes problems for shared libraries.  So I've yanked it.
+ */
+#if 0
 extern int req_act_vno;		/* this is defined in the kerberos
 				 * server code */
+#endif
 
 /*
  * This routine is used by the Kerberos authentication server to
@@ -64,7 +70,11 @@ cr_err_reply(pkt,pname,pinst,prealm,time_ws,e,e_string)
     u_char *t = (u_char *)(pkt->dat+1); /* Prot message type */
 
     /* Create fixed part of packet */
+#if 0
     *v = (unsigned char) req_act_vno; /* KRB_PROT_VERSION; */
+#else
+    *v = (unsigned char) KRB_PROT_VERSION;
+#endif
     *t = (unsigned char) AUTH_MSG_ERR_REPLY;
     *t |= HOST_BYTE_ORDER;
 
-- 
2.26.2