*** empty log message ***

git-svn-id: svn://anonsvn.mit.edu/krb5/trunk@2148 dc483132-0cff-0310-8789-dd5450dbe970

1 files changed, 72 insertions, 0 deletions

diff --git a/src/lib/gssapi/sign.c b/src/lib/gssapi/sign.c
new file mode 100644
index 0000000000..c6b579076f
--- /dev/null
+++ b/src/lib/gssapi/sign.c
@@ -0,0 +1,72 @@
+/*
+ * sign.c --- sign message
+ * 
+ * $Source$
+ * $Author$
+ * $Header$
+ * 
+ * Copyright 1991 by the Massachusetts Institute of Technology.
+ * All Rights Reserved.
+ *
+ * For copying and distribution information, please see the file
+ * <krb5/copyright.h>.
+ *
+ */
+
+#include <gssapi.h>
+#include <krb5/asn1.h>
+
+OM_uint32 gss_sign(minor_status, context, qop_req, 
+		   input_message_buffer, output_message_buffer)
+	OM_uint32	*minor_status;
+	gss_ctx_id_t	context;
+	int		qop_req;
+	gss_buffer_t	input_message_buffer;
+	gss_buffer_t	output_message_buffer;
+{
+	krb5_data	inbuf, outbuf, *scratch;
+	int	safe_flags = 0;
+	krb5_safe *message;
+	
+	*minor_status = 0;
+
+	inbuf.length = input_message_buffer->length;
+	inbuf.data = input_message_buffer->value;
+
+
+	if (context->flags & GSS_C_SEQUENCE_FLAG)
+		safe_flags = KRB5_SAFE_DOSEQUENCE|KRB5_SAFE_NOTIME;
+	if (*minor_status = krb5_mk_safe(&inbuf,
+					 CKSUMTYPE_RSA_MD4_DES,
+					 context->session_key,
+					 &context->my_address,
+					 &context->his_address,
+					 context->my_seq_num,
+					 safe_flags,
+					 0, /* no rcache */
+					 &outbuf))
+		return(GSS_S_FAILURE);
+	if (*minor_status = decode_krb5_safe(&outbuf, &message))
+		return(GSS_S_FAILURE);
+	message->user_data.length = 1;
+	xfree(outbuf.data);
+	if (*minor_status = encode_krb5_safe(&message, &scratch)) {
+		krb5_free_safe(message);
+		return(GSS_S_FAILURE);
+	}
+	krb5_free_safe(message);
+	if (*minor_status = gss_make_token(minor_status,
+					   GSS_API_KRB5_TYPE,
+					   GSS_API_KRB5_SIGN,
+					   scratch->length,
+					   scratch->data,
+					   output_message_buffer)) {
+		krb5_free_data(scratch);
+		return(GSS_S_FAILURE);
+	}
+	krb5_free_data(scratch);
+	if (context->flags & GSS_C_SEQUENCE_FLAG)
+		context->my_seq_num++;
+	return(GSS_S_COMPLETE);
+}
+