1 /* 2 * Copyright (c) 1997, 1999, 2003 Kungliga Tekniska H�gskolan 3 * (Royal Institute of Technology, Stockholm, Sweden). 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 17 * 3. Neither the name of the Institute nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 */ 33 34 #include "krb5/gsskrb5_locl.h" 35 36 RCSID("$Id: export_name.c 19031 2006-11-13 18:02:57Z lha $"); 37 38 OM_uint32 _gsskrb5_export_name 39 (OM_uint32 * minor_status, 40 const gss_name_t input_name, 41 gss_buffer_t exported_name 42 ) 43 { 44 krb5_context context; 45 krb5_const_principal princ = (krb5_const_principal)input_name; 46 krb5_error_code kret; 47 char *buf, *name; 48 size_t len; 49 50 GSSAPI_KRB5_INIT (&context); 51 52 kret = krb5_unparse_name (context, princ, &name); 53 if (kret) { 54 *minor_status = kret; 55 return GSS_S_FAILURE; 56 } 57 len = strlen (name); 58 59 exported_name->length = 10 + len + GSS_KRB5_MECHANISM->length; 60 exported_name->value = malloc(exported_name->length); 61 if (exported_name->value == NULL) { 62 free (name); 63 *minor_status = ENOMEM; 64 return GSS_S_FAILURE; 65 } 66 67 /* TOK, MECH_OID_LEN, DER(MECH_OID), NAME_LEN, NAME */ 68 69 buf = exported_name->value; 70 memcpy(buf, "\x04\x01", 2); 71 buf += 2; 72 buf[0] = ((GSS_KRB5_MECHANISM->length + 2) >> 8) & 0xff; 73 buf[1] = (GSS_KRB5_MECHANISM->length + 2) & 0xff; 74 buf+= 2; 75 buf[0] = 0x06; 76 buf[1] = (GSS_KRB5_MECHANISM->length) & 0xFF; 77 buf+= 2; 78 79 memcpy(buf, GSS_KRB5_MECHANISM->elements, GSS_KRB5_MECHANISM->length); 80 buf += GSS_KRB5_MECHANISM->length; 81 82 buf[0] = (len >> 24) & 0xff; 83 buf[1] = (len >> 16) & 0xff; 84 buf[2] = (len >> 8) & 0xff; 85 buf[3] = (len) & 0xff; 86 buf += 4; 87 88 memcpy (buf, name, len); 89 90 free (name); 91 92 *minor_status = 0; 93 return GSS_S_COMPLETE; 94 } 95