export_name.c revision 178825
1178825Sdfr/* 2178825Sdfr * Copyright (c) 1997, 1999, 2003 Kungliga Tekniska H�gskolan 3178825Sdfr * (Royal Institute of Technology, Stockholm, Sweden). 4178825Sdfr * All rights reserved. 5178825Sdfr * 6178825Sdfr * Redistribution and use in source and binary forms, with or without 7178825Sdfr * modification, are permitted provided that the following conditions 8178825Sdfr * are met: 9178825Sdfr * 10178825Sdfr * 1. Redistributions of source code must retain the above copyright 11178825Sdfr * notice, this list of conditions and the following disclaimer. 12178825Sdfr * 13178825Sdfr * 2. Redistributions in binary form must reproduce the above copyright 14178825Sdfr * notice, this list of conditions and the following disclaimer in the 15178825Sdfr * documentation and/or other materials provided with the distribution. 16178825Sdfr * 17178825Sdfr * 3. Neither the name of the Institute nor the names of its contributors 18178825Sdfr * may be used to endorse or promote products derived from this software 19178825Sdfr * without specific prior written permission. 20178825Sdfr * 21178825Sdfr * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND 22178825Sdfr * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23178825Sdfr * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24178825Sdfr * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE 25178825Sdfr * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26178825Sdfr * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27178825Sdfr * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28178825Sdfr * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29178825Sdfr * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30178825Sdfr * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31178825Sdfr * SUCH DAMAGE. 32178825Sdfr */ 33178825Sdfr 34178825Sdfr#include "krb5/gsskrb5_locl.h" 35178825Sdfr 36178825SdfrRCSID("$Id: export_name.c 19031 2006-11-13 18:02:57Z lha $"); 37178825Sdfr 38178825SdfrOM_uint32 _gsskrb5_export_name 39178825Sdfr (OM_uint32 * minor_status, 40178825Sdfr const gss_name_t input_name, 41178825Sdfr gss_buffer_t exported_name 42178825Sdfr ) 43178825Sdfr{ 44178825Sdfr krb5_context context; 45178825Sdfr krb5_const_principal princ = (krb5_const_principal)input_name; 46178825Sdfr krb5_error_code kret; 47178825Sdfr char *buf, *name; 48178825Sdfr size_t len; 49178825Sdfr 50178825Sdfr GSSAPI_KRB5_INIT (&context); 51178825Sdfr 52178825Sdfr kret = krb5_unparse_name (context, princ, &name); 53178825Sdfr if (kret) { 54178825Sdfr *minor_status = kret; 55178825Sdfr return GSS_S_FAILURE; 56178825Sdfr } 57178825Sdfr len = strlen (name); 58178825Sdfr 59178825Sdfr exported_name->length = 10 + len + GSS_KRB5_MECHANISM->length; 60178825Sdfr exported_name->value = malloc(exported_name->length); 61178825Sdfr if (exported_name->value == NULL) { 62178825Sdfr free (name); 63178825Sdfr *minor_status = ENOMEM; 64178825Sdfr return GSS_S_FAILURE; 65178825Sdfr } 66178825Sdfr 67178825Sdfr /* TOK, MECH_OID_LEN, DER(MECH_OID), NAME_LEN, NAME */ 68178825Sdfr 69178825Sdfr buf = exported_name->value; 70178825Sdfr memcpy(buf, "\x04\x01", 2); 71178825Sdfr buf += 2; 72178825Sdfr buf[0] = ((GSS_KRB5_MECHANISM->length + 2) >> 8) & 0xff; 73178825Sdfr buf[1] = (GSS_KRB5_MECHANISM->length + 2) & 0xff; 74178825Sdfr buf+= 2; 75178825Sdfr buf[0] = 0x06; 76178825Sdfr buf[1] = (GSS_KRB5_MECHANISM->length) & 0xFF; 77178825Sdfr buf+= 2; 78178825Sdfr 79178825Sdfr memcpy(buf, GSS_KRB5_MECHANISM->elements, GSS_KRB5_MECHANISM->length); 80178825Sdfr buf += GSS_KRB5_MECHANISM->length; 81178825Sdfr 82178825Sdfr buf[0] = (len >> 24) & 0xff; 83178825Sdfr buf[1] = (len >> 16) & 0xff; 84178825Sdfr buf[2] = (len >> 8) & 0xff; 85178825Sdfr buf[3] = (len) & 0xff; 86178825Sdfr buf += 4; 87178825Sdfr 88178825Sdfr memcpy (buf, name, len); 89178825Sdfr 90178825Sdfr free (name); 91178825Sdfr 92178825Sdfr *minor_status = 0; 93178825Sdfr return GSS_S_COMPLETE; 94178825Sdfr} 95