1 /* 2 * Copyright (c) 2011, PADL Software Pty Ltd. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * 3. Neither the name of PADL Software nor the names of its contributors 17 * may be used to endorse or promote products derived from this software 18 * without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY PADL SOFTWARE AND CONTRIBUTORS ``AS IS'' AND 21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL PADL SOFTWARE OR CONTRIBUTORS BE LIABLE 24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30 * SUCH DAMAGE. 31 */ 32 33 #include "mglueP.h" 34 35 OM_uint32 KRB5_CALLCONV 36 gss_decapsulate_token(gss_const_buffer_t input_token, 37 gss_const_OID token_oid, 38 gss_buffer_t output_token) 39 { 40 struct k5input in; 41 42 if (input_token == GSS_C_NO_BUFFER || token_oid == GSS_C_NO_OID) 43 return GSS_S_CALL_INACCESSIBLE_READ; 44 45 if (output_token == GSS_C_NO_BUFFER) 46 return GSS_S_CALL_INACCESSIBLE_WRITE; 47 48 k5_input_init(&in, input_token->value, input_token->length); 49 if (!g_verify_token_header(&in, token_oid)) 50 return GSS_S_DEFECTIVE_TOKEN; 51 52 output_token->value = gssalloc_malloc(in.len); 53 if (output_token->value == NULL) 54 return GSS_S_FAILURE; 55 56 memcpy(output_token->value, in.ptr, in.len); 57 output_token->length = in.len; 58 59 return GSS_S_COMPLETE; 60 } 61