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 OM_uint32 minor; 41 unsigned int body_size = 0; 42 unsigned char *buf_in; 43 44 if (input_token == GSS_C_NO_BUFFER || token_oid == GSS_C_NO_OID) 45 return GSS_S_CALL_INACCESSIBLE_READ; 46 47 if (output_token == GSS_C_NO_BUFFER) 48 return GSS_S_CALL_INACCESSIBLE_WRITE; 49 50 buf_in = input_token->value; 51 52 minor = g_verify_token_header(token_oid, &body_size, &buf_in, 53 -1, input_token->length, 54 G_VFY_TOKEN_HDR_WRAPPER_REQUIRED); 55 if (minor != 0) 56 return GSS_S_DEFECTIVE_TOKEN; 57 58 output_token->value = gssalloc_malloc(body_size); 59 if (output_token->value == NULL) 60 return GSS_S_FAILURE; 61 62 memcpy(output_token->value, buf_in, body_size); 63 output_token->length = body_size; 64 65 return GSS_S_COMPLETE; 66 } 67