Implement new replay cache type "none"

* rc_none.c: New file.
* Makefile.in (SRCS, STLIBOBJS, OBJS): Build it.
* rc-int.h (krb5_rc_none_ops): Declare.
* rc_base.c (none): New variable.
(krb5_rc_typelist_dfl): Add it into the linked list.

git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@16634 dc483132-0cff-0310-8789-dd5450dbe970

5 files changed, 108 insertions, 3 deletions

diff --git a/src/lib/krb5/rcache/ChangeLog b/src/lib/krb5/rcache/ChangeLog
index 48c72b7bec..bf5c2f7b56 100644
--- a/src/lib/krb5/rcache/ChangeLog
+++ b/src/lib/krb5/rcache/ChangeLog
@@ -1,3 +1,11 @@
+2004-07-30  Ken Raeburn  <raeburn@mit.edu>
+
+	* rc_none.c: New file.
+	* Makefile.in (SRCS, STLIBOBJS, OBJS): Build it.
+	* rc-int.h (krb5_rc_none_ops): Declare.
+	* rc_base.c (none): New variable.
+	(krb5_rc_typelist_dfl): Add it into the linked list.
+
 2004-07-16  Ken Raeburn  <raeburn@mit.edu>
 
 	* rc_io.c: Don't check for macsock.h.
diff --git a/src/lib/krb5/rcache/Makefile.in b/src/lib/krb5/rcache/Makefile.in
index 6fbc67c9d4..c965b28933 100644
--- a/src/lib/krb5/rcache/Makefile.in
+++ b/src/lib/krb5/rcache/Makefile.in
@@ -12,6 +12,7 @@ STLIBOBJS = \
 	rc_dfl.o 	\
 	rc_io.o		\
 	rcdef.o		\
+	rc_none.o	\
 	rc_conv.o	\
 	ser_rc.o	\
 	rcfns.o
@@ -19,8 +20,9 @@ STLIBOBJS = \
 OBJS=	\
 	$(OUTPRE)rc_base.$(OBJEXT)	\
 	$(OUTPRE)rc_dfl.$(OBJEXT) 	\
-	$(OUTPRE)rc_io.$(OBJEXT)		\
-	$(OUTPRE)rcdef.$(OBJEXT)		\
+	$(OUTPRE)rc_io.$(OBJEXT)	\
+	$(OUTPRE)rcdef.$(OBJEXT)	\
+	$(OUTPRE)rc_none.$(OBJEXT)	\
 	$(OUTPRE)rc_conv.$(OBJEXT)	\
 	$(OUTPRE)ser_rc.$(OBJEXT)	\
 	$(OUTPRE)rcfns.$(OBJEXT)
@@ -30,6 +32,7 @@ SRCS=	\
 	$(srcdir)/rc_dfl.c 	\
 	$(srcdir)/rc_io.c	\
 	$(srcdir)/rcdef.c	\
+	$(srcdir)/rc_none.c	\
 	$(srcdir)/rc_conv.c	\
 	$(srcdir)/ser_rc.c	\
 	$(srcdir)/rcfns.c
@@ -71,6 +74,12 @@ rcdef.so rcdef.po $(OUTPRE)rcdef.$(OBJEXT): rcdef.c $(SRCTOP)/include/k5-int.h \
   $(BUILDTOP)/include/krb5.h $(COM_ERR_DEPS) $(BUILDTOP)/include/profile.h \
   $(SRCTOP)/include/port-sockets.h $(SRCTOP)/include/socket-utils.h \
   $(SRCTOP)/include/krb5/kdb.h rc-int.h rc_dfl.h
+rc_none.so rc_none.po $(OUTPRE)rc_none.$(OBJEXT): rc_none.c $(SRCTOP)/include/k5-int.h \
+  $(BUILDTOP)/include/krb5/osconf.h $(BUILDTOP)/include/krb5/autoconf.h \
+  $(SRCTOP)/include/k5-platform.h $(SRCTOP)/include/k5-thread.h \
+  $(BUILDTOP)/include/krb5.h $(COM_ERR_DEPS) $(BUILDTOP)/include/profile.h \
+  $(SRCTOP)/include/port-sockets.h $(SRCTOP)/include/socket-utils.h \
+  $(SRCTOP)/include/krb5/kdb.h rc-int.h
 rc_conv.so rc_conv.po $(OUTPRE)rc_conv.$(OBJEXT): rc_conv.c rc_base.h $(SRCTOP)/include/k5-int.h \
   $(BUILDTOP)/include/krb5/osconf.h $(BUILDTOP)/include/krb5/autoconf.h \
   $(SRCTOP)/include/k5-platform.h $(SRCTOP)/include/k5-thread.h \
diff --git a/src/lib/krb5/rcache/rc-int.h b/src/lib/krb5/rcache/rc-int.h
index d64c348576..239f0c0a73 100644
--- a/src/lib/krb5/rcache/rc-int.h
+++ b/src/lib/krb5/rcache/rc-int.h
@@ -70,5 +70,6 @@ typedef struct _krb5_rc_ops krb5_rc_ops;
 krb5_error_code krb5_rc_register_type (krb5_context, const krb5_rc_ops *);
 
 extern const krb5_rc_ops krb5_rc_dfl_ops;
+extern const krb5_rc_ops krb5_rc_none_ops;
 
 #endif /* __KRB5_RCACHE_INT_H__ */
diff --git a/src/lib/krb5/rcache/rc_base.c b/src/lib/krb5/rcache/rc_base.c
index 4146cc8d65..e9f9505c5f 100644
--- a/src/lib/krb5/rcache/rc_base.c
+++ b/src/lib/krb5/rcache/rc_base.c
@@ -21,7 +21,8 @@ struct krb5_rc_typelist {
     const krb5_rc_ops *ops;
     struct krb5_rc_typelist *next;
 };
-static struct krb5_rc_typelist krb5_rc_typelist_dfl = { &krb5_rc_dfl_ops, 0 };
+static struct krb5_rc_typelist none = { &krb5_rc_none_ops, 0 };
+static struct krb5_rc_typelist krb5_rc_typelist_dfl = { &krb5_rc_dfl_ops, &none };
 static struct krb5_rc_typelist *typehead = &krb5_rc_typelist_dfl;
 static k5_mutex_t rc_typelist_lock = K5_MUTEX_PARTIAL_INITIALIZER;
 
diff --git a/src/lib/krb5/rcache/rc_none.c b/src/lib/krb5/rcache/rc_none.c
new file mode 100644
index 0000000000..3ad45247b0
--- /dev/null
+++ b/src/lib/krb5/rcache/rc_none.c
@@ -0,0 +1,86 @@
+/*
+ * lib/krb5/rcache/rc_none.c
+ *
+ * Copyright 2004 by the Massachusetts Institute of Technology.
+ * All Rights Reserved.
+ *
+ * Export of this software from the United States of America may
+ *   require a specific license from the United States Government.
+ *   It is the responsibility of any person or organization contemplating
+ *   export to obtain such a license before exporting.
+ * 
+ * WITHIN THAT CONSTRAINT, permission to use, copy, modify, and
+ * distribute this software and its documentation for any purpose and
+ * without fee is hereby granted, provided that the above copyright
+ * notice appear in all copies and that both that copyright notice and
+ * this permission notice appear in supporting documentation, and that
+ * the name of M.I.T. not be used in advertising or publicity pertaining
+ * to distribution of the software without specific, written prior
+ * permission.  Furthermore if you modify this software you must label
+ * your software as modified software and not distribute it in such a
+ * fashion that it might be confused with the original M.I.T. software.
+ * M.I.T. makes no representations about the suitability of
+ * this software for any purpose.  It is provided "as is" without express
+ * or implied warranty.
+ * 
+ *
+ * replay cache no-op implementation
+ */
+
+#include "k5-int.h"
+#include "rc-int.h"
+
+static krb5_error_code KRB5_CALLCONV
+krb5_rc_none_init(krb5_context ctx, krb5_rcache rc, krb5_deltat d)
+{
+    return 0;
+}
+
+static krb5_error_code KRB5_CALLCONV
+krb5_rc_none_noargs(krb5_context ctx, krb5_rcache rc)
+{
+    return 0;
+}
+#define krb5_rc_none_recover	krb5_rc_none_noargs
+#define krb5_rc_none_destroy	krb5_rc_none_noargs
+#define krb5_rc_none_close	krb5_rc_none_noargs
+#define krb5_rc_none_expunge	krb5_rc_none_noargs
+
+static krb5_error_code KRB5_CALLCONV
+krb5_rc_none_store(krb5_context ctx, krb5_rcache rc, krb5_donot_replay *r)
+{
+    return 0;
+}
+
+static krb5_error_code KRB5_CALLCONV
+krb5_rc_none_get_span(krb5_context ctx, krb5_rcache rc, krb5_deltat *d)
+{
+    return 0;
+}
+
+static char * KRB5_CALLCONV
+krb5_rc_none_get_name(krb5_context ctx, krb5_rcache rc)
+{
+    return "";
+}
+
+static krb5_error_code KRB5_CALLCONV
+krb5_rc_none_resolve(krb5_context ctx, krb5_rcache rc, char *name)
+{
+    rc->data = "none";
+    return 0;
+}
+
+const krb5_rc_ops krb5_rc_none_ops = {
+    0,
+    "none",
+    krb5_rc_none_init,
+    krb5_rc_none_recover,
+    krb5_rc_none_destroy,
+    krb5_rc_none_close,
+    krb5_rc_none_store,
+    krb5_rc_none_expunge,
+    krb5_rc_none_get_span,
+    krb5_rc_none_get_name,
+    krb5_rc_none_resolve
+};