initial drop of gss-mo

lib/gssapi/mech/gss_mo.c

@@ -0,0 +1,197 @@
+/*
+ * Copyright (c) 2010 Kungliga Tekniska Högskolan
+ * (Royal Institute of Technology, Stockholm, Sweden).
+ * All rights reserved.
+ *
+ * Portions Copyright (c) 2010 Apple Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * 3. Neither the name of the Institute nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include "mech_locl.h"
+
+static int
+get_option_def(int def, gss_OID mech, gss_mo_desc *mo, gss_buffer_t value)
+{
+    return def;
+}
+
+
+int
+_gss_mo_get_option_1(gss_OID mech, gss_mo_desc *mo, gss_buffer_t value)
+{
+    return get_option_def(1, mech, mo, value);
+}
+
+int
+_gss_mo_get_option_0(gss_OID mech, gss_mo_desc *mo, gss_buffer_t value)
+{
+    return get_option_def(0, mech, mo, value);
+}
+
+int
+gss_mo_set(gss_OID mech, gss_OID option, int enable, gss_buffer_t value)
+{
+    gssapi_mech_interface m;
+    size_t n;
+
+    if ((m = __gss_get_mechanism(mech)) == NULL)
+	return GSS_S_BAD_MECH;
+
+    for (n = 0; n < m->gm_mo_num; n++)
+	if (gss_oid_equal(option, m->gm_mo[n].option) && m->gm_mo[n].set)
+	    return m->gm_mo[n].set(mech, &m->gm_mo[n], enable, value);
+    return 0;
+}
+
+int
+gss_mo_get(gss_OID mech, gss_OID option, gss_buffer_t value)
+{
+    gssapi_mech_interface m;
+    size_t n;
+
+    if (value)
+	_mg_buffer_zero(value);
+
+    if ((m = __gss_get_mechanism(mech)) == NULL)
+	return 0;
+
+    for (n = 0; n < m->gm_mo_num; n++)
+	if (gss_oid_equal(option, m->gm_mo[n].option) && m->gm_mo[n].get)
+	    return m->gm_mo[n].get(mech, &m->gm_mo[n], value);
+
+    return 0;
+}
+
+void
+gss_mo_list(gss_OID mech, gss_OID_set *options)
+{
+    gssapi_mech_interface m;
+    OM_uint32 major, minor;
+    size_t n;
+
+    if (options == NULL)
+	return;
+
+    *options = GSS_C_NO_OID_SET;
+
+    if ((m = __gss_get_mechanism(mech)) == NULL)
+	return;
+
+    major = gss_create_empty_oid_set(&minor, options);
+    if (major != GSS_S_COMPLETE)
+	return;
+
+    for (n = 0; n < m->gm_mo_num; n++)
+	gss_add_oid_set_member(&minor, m->gm_mo[n].option, options);
+}
+
+OM_uint32
+gss_mo_name(gss_OID mech, gss_OID option, gss_buffer_t name)
+{
+    gssapi_mech_interface m;
+    size_t n;
+
+    if (name == NULL)
+	return GSS_S_BAD_NAME;
+
+    if ((m = __gss_get_mechanism(mech)) == NULL)
+	return GSS_S_BAD_MECH;
+
+    for (n = 0; n < m->gm_mo_num; n++) {
+	if (gss_oid_equal(option, m->gm_mo[n].option)) {
+	    name->value = strdup(m->gm_mo[n].name);
+	    if (name->value == NULL)
+		return GSS_S_BAD_NAME;
+	    name->length = strlen(m->gm_mo[n].name);
+	    return GSS_S_COMPLETE;
+	}
+    }
+    return GSS_S_BAD_NAME;
+}
+
+GSSAPI_LIB_FUNCTION OM_uint32 GSSAPI_LIB_CALL
+gss_inquire_saslname_for_mech(OM_uint32 *minor_status,
+			      const gss_OID desired_mech,
+			      gss_buffer_t sasl_mech_name,
+			      gss_buffer_t mech_name,
+			      gss_buffer_t mech_description)
+{
+    _mg_buffer_zero(sasl_mech_name);
+    _mg_buffer_zero(mech_name);
+    _mg_buffer_zero(mech_description);
+
+    return GSS_S_COMPLETE;
+}
+
+GSSAPI_LIB_FUNCTION OM_uint32 GSSAPI_LIB_CALL
+gss_inquire_mech_for_saslname(OM_uint32 *minor_status,
+			      const gss_buffer_t sasl_mech_name,
+			      gss_OID *mech_type)
+{
+    *mech_type = NULL;
+    return GSS_S_COMPLETE;
+}
+
+GSSAPI_LIB_FUNCTION OM_uint32 GSSAPI_LIB_CALL
+gss_indicate_mechs_by_attrs(OM_uint32 * minor_status,
+			    gss_const_OID_set desired_mech_attrs,
+			    gss_const_OID_set except_mech_attrs,
+			    gss_const_OID_set critical_mech_attrs,
+			    gss_OID_set mechs)
+{
+    _mg_oid_set_zero(mechs);
+
+    return GSS_S_FAILURE;
+}
+
+GSSAPI_LIB_FUNCTION OM_uint32 GSSAPI_LIB_CALL
+gss_inquire_attrs_for_mech(OM_uint32 * minor_status,
+			   gss_const_OID mech,
+			   gss_OID_set * mech_attr,
+			   gss_OID_set *known_mech_attrs)
+{
+    _mg_oid_set_zero(mech_attr);
+    _mg_oid_set_zero(known_mech_attrs);
+
+    return GSS_S_COMPLETE;
+}
+
+GSSAPI_LIB_FUNCTION OM_uint32 GSSAPI_LIB_CALL
+gss_display_mech_attr(OM_uint32 * minor_status,
+		      gss_const_OID mech_attr,
+		      gss_buffer_t name,
+		      gss_buffer_t short_desc,
+		      gss_buffer_t long_desc)
+{
+    _mg_buffer_zero(name);
+    _mg_buffer_zero(short_desc);
+    _mg_buffer_zero(long_desc);
+
+    return GSS_S_FAILURE;
+}