Add support for krb5_init_context and krb5_free_context

git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@4742 dc483132-0cff-0310-8789-dd5450dbe970

3 files changed, 71 insertions, 0 deletions

diff --git a/src/lib/krb5/krb/ChangeLog b/src/lib/krb5/krb/ChangeLog
index 612040c87..bdeada425 100644
--- a/src/lib/krb5/krb/ChangeLog
+++ b/src/lib/krb5/krb/ChangeLog
@@ -1,3 +1,8 @@
+Mon Dec 19 21:55:44 1994  Theodore Y. Ts'o  (tytso@dcl)
+
+	* init_ctx.c: New file.  Initializes and frees the krb5_context
+	  structure.
+
 Wed Dec  7 17:52:08 1994    <tytso@localhost>
 
 	* rd_req_dec.c (decrypt_authenticator): If the subkey doesn't
diff --git a/src/lib/krb5/krb/Makefile.in b/src/lib/krb5/krb/Makefile.in
index bf1770754..869ef653f 100644
--- a/src/lib/krb5/krb/Makefile.in
+++ b/src/lib/krb5/krb/Makefile.in
@@ -39,6 +39,7 @@ OBJS=	addr_comp.o	\
 	get_in_tkt.o	\
 	in_tkt_pwd.o	\
 	in_tkt_sky.o	\
+	init_ctx.o	\
 	kdc_rep_dc.o	\
 	krbconfig.o	\
 	mk_cred.o	\
@@ -102,6 +103,7 @@ SRCS=	$(srcdir)/addr_comp.c	\
 	$(srcdir)/get_in_tkt.c	\
 	$(srcdir)/in_tkt_pwd.c	\
 	$(srcdir)/in_tkt_sky.c	\
+	$(srcdir)/init_ctx.c	\
 	$(srcdir)/kdc_rep_dc.c	\
 	$(srcdir)/krbconfig.c	\
 	$(srcdir)/mk_cred.c	\
diff --git a/src/lib/krb5/krb/init_ctx.c b/src/lib/krb5/krb/init_ctx.c
new file mode 100644
index 000000000..035e85f50
--- /dev/null
+++ b/src/lib/krb5/krb/init_ctx.c
@@ -0,0 +1,64 @@
+/*
+ * lib/krb5/krb/init_ctx.c
+ *
+ * Copyright 1994 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.  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.
+ *
+ * krb5_init_contex()
+ */
+
+#include <krb5/krb5.h>
+#include <krb5/los-proto.h>
+#include <krb5/ext-proto.h>
+
+krb5_error_code
+krb5_init_context(context)
+	krb5_context **context;
+{
+	krb5_context *ctx;
+	krb5_error_code retval;
+
+	*context = 0;
+
+	ctx = malloc(sizeof(struct _krb5_context));
+	if (!ctx)
+		return ENOMEM;
+	memset(ctx, 0, sizeof(struct _krb5_context));
+	ctx->magic = KV5M_CONTEXT;
+
+	retval = krb5_os_init_context(ctx);
+	if (retval)
+		goto cleanup;
+	
+	*context = ctx;
+	return 0;
+
+cleanup:
+	krb5_free_context(ctx);
+	return retval;
+}
+
+void
+krb5_free_context(ctx)
+	krb5_context	*ctx;
+{
+	krb5_os_free_context(ctx);
+	ctx->magic = 0;
+	free(ctx);
+}