Add gss support from citi @ umich

[nfs-utils.git] / support / gssapi / g_seal.c

diff --git a/support/gssapi/g_seal.c b/support/gssapi/g_seal.c
new file mode 100644 (file)
index 0000000..ebc8f2e
--- /dev/null
+++ b/support/gssapi/g_seal.c
@@ -0,0 +1,155 @@
+/* #ident  "@(#)gss_seal.c 1.10     95/08/07 SMI" */
+
+/*
+ * Copyright 1996 by Sun Microsystems, Inc.
+ *
+ * Permission to use, copy, modify, distribute, and sell this software
+ * and its documentation for any purpose is hereby granted without fee,
+ * provided that the above copyright notice appears in all copies and
+ * that both that copyright notice and this permission notice appear in
+ * supporting documentation, and that the name of Sun Microsystems not be used
+ * in advertising or publicity pertaining to distribution of the software
+ * without specific, written prior permission. Sun Microsystems makes no
+ * representations about the suitability of this software for any
+ * purpose.  It is provided "as is" without express or implied warranty.
+ *
+ * SUN MICROSYSTEMS DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL SUN MICROSYSTEMS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF
+ * USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
+ * OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/*
+ *  glue routine for gss_seal
+ */
+
+#include "mglueP.h"
+
+OM_uint32 KRB5_CALLCONV
+gss_seal (minor_status,
+          context_handle,
+          conf_req_flag,
+          qop_req,
+          input_message_buffer,
+          conf_state,
+          output_message_buffer)
+
+OM_uint32 *            minor_status;
+gss_ctx_id_t           context_handle;
+int                    conf_req_flag;
+int                    qop_req;
+gss_buffer_t           input_message_buffer;
+int *                  conf_state;
+gss_buffer_t           output_message_buffer;
+
+{
+    OM_uint32          status;
+    gss_union_ctx_id_t ctx;
+    gss_mechanism      mech;
+
+    gss_initialize();
+
+    if (context_handle == GSS_C_NO_CONTEXT)
+       return GSS_S_NO_CONTEXT;
+
+    /*
+     * select the approprate underlying mechanism routine and
+     * call it.
+     */
+
+    ctx = (gss_union_ctx_id_t) context_handle;
+    mech = __gss_get_mechanism (ctx->mech_type);
+
+    if (mech) {
+       if (mech->gss_seal)
+           status = mech->gss_seal(
+#ifdef USE_MECH_CONTEXT
+                                   mech->context,
+#endif
+                                   minor_status,
+                                   ctx->internal_ctx_id,
+                                   conf_req_flag,
+                                   qop_req,
+                                   input_message_buffer,
+                                   conf_state,
+                                   output_message_buffer);
+       else
+           status = GSS_S_BAD_BINDINGS;
+
+       return(status);
+    }
+
+    return(GSS_S_NO_CONTEXT);
+}
+
+OM_uint32 KRB5_CALLCONV
+gss_wrap (minor_status,
+          context_handle,
+          conf_req_flag,
+          qop_req,
+          input_message_buffer,
+          conf_state,
+          output_message_buffer)
+
+OM_uint32 *            minor_status;
+gss_ctx_id_t           context_handle;
+int                    conf_req_flag;
+gss_qop_t              qop_req;
+gss_buffer_t           input_message_buffer;
+int *                  conf_state;
+gss_buffer_t           output_message_buffer;
+
+{
+       return gss_seal(minor_status, context_handle, conf_req_flag,
+                       (int) qop_req, input_message_buffer, conf_state,
+                       output_message_buffer);
+}
+
+/*
+ * New for V2
+ */
+OM_uint32 KRB5_CALLCONV
+gss_wrap_size_limit(minor_status, context_handle, conf_req_flag,
+                   qop_req, req_output_size, max_input_size)
+    OM_uint32          *minor_status;
+    gss_ctx_id_t       context_handle;
+    int                        conf_req_flag;
+    gss_qop_t          qop_req;
+    OM_uint32          req_output_size;
+    OM_uint32          *max_input_size;
+{
+    OM_uint32          status;
+    gss_union_ctx_id_t ctx;
+    gss_mechanism      mech;
+
+    gss_initialize();
+
+    if (context_handle == GSS_C_NO_CONTEXT)
+       return GSS_S_NO_CONTEXT;
+
+    /*
+     * select the approprate underlying mechanism routine and
+     * call it.
+     */
+
+    ctx = (gss_union_ctx_id_t) context_handle;
+    mech = __gss_get_mechanism (ctx->mech_type);
+
+    if (!mech)
+       return (GSS_S_NO_CONTEXT);
+
+    if (!mech->gss_wrap_size_limit)
+       return (GSS_S_BAD_BINDINGS);
+
+#ifdef USE_MECH_CONTEXT
+    status = mech->gss_wrap_size_limit(mech->context, minor_status,
+#else
+    status = mech->gss_wrap_size_limit(minor_status,
+#endif
+                                      context_handle, conf_req_flag, qop_req,
+                                      req_output_size, max_input_size);
+    return(status);
+}