1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* 23 * Copyright 2004 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #pragma ident "%Z%%M% %I% %E% SMI" 28 29 /* 30 * routine gss_canonicalize_name 31 * 32 * This routine is used to produce a mechanism specific 33 * representation of name that has been previously 34 * imported with gss_import_name. The routine uses the mechanism 35 * specific implementation of gss_import_name to implement this 36 * function. 37 * 38 * We allow a NULL output_name, in which case we modify the 39 * input_name to include the mechanism specific name. 40 */ 41 42 #include <mechglueP.h> 43 #ifdef HAVE_STDLIB_H 44 #include <stdlib.h> 45 #endif 46 #include <string.h> 47 #include <errno.h> 48 49 OM_uint32 50 gss_canonicalize_name(minor_status, 51 input_name, 52 mech_type, 53 output_name) 54 OM_uint32 *minor_status; 55 const gss_name_t input_name; 56 const gss_OID mech_type; 57 gss_name_t *output_name; 58 { 59 gss_union_name_t in_union, out_union = NULL, dest_union = NULL; 60 OM_uint32 major_status = GSS_S_FAILURE; 61 62 if (minor_status == NULL) 63 return (GSS_S_CALL_INACCESSIBLE_WRITE); 64 65 *minor_status = 0; 66 67 if (output_name) 68 *output_name = 0; 69 70 /* check the input parameters */ 71 if (input_name == NULL || mech_type == GSS_C_NULL_OID) 72 return (GSS_S_CALL_INACCESSIBLE_READ); 73 74 in_union = (gss_union_name_t)input_name; 75 /* 76 * If the caller wants to reuse the name, and the name has already 77 * been converted, then there is nothing for us to do. 78 */ 79 if (!output_name && in_union->mech_type && 80 g_OID_equal(in_union->mech_type, mech_type)) 81 return (GSS_S_COMPLETE); 82 83 /* ok, then we need to do something - start by creating data struct */ 84 if (output_name) { 85 out_union = 86 (gss_union_name_t)malloc(sizeof (gss_union_name_desc)); 87 if (!out_union) 88 goto allocation_failure; 89 90 out_union->mech_type = 0; 91 out_union->mech_name = 0; 92 out_union->name_type = 0; 93 out_union->external_name = 0; 94 95 /* Allocate the buffer for the user specified representation */ 96 if (__gss_create_copy_buffer(in_union->external_name, 97 &out_union->external_name, 1)) 98 goto allocation_failure; 99 100 if (in_union->name_type != GSS_C_NULL_OID) { 101 if ((major_status = generic_gss_copy_oid(minor_status, 102 in_union->name_type, &out_union->name_type))) 103 goto allocation_failure; 104 } 105 106 } 107 108 /* 109 * might need to delete any old mechanism names if we are 110 * reusing the buffer. 111 */ 112 if (!output_name) { 113 if (in_union->mech_type) { 114 (void) __gss_release_internal_name(minor_status, 115 in_union->mech_type, 116 &in_union->mech_name); 117 (void) gss_release_oid(minor_status, 118 &in_union->mech_type); 119 in_union->mech_type = 0; 120 } 121 dest_union = in_union; 122 } else 123 dest_union = out_union; 124 125 /* now let's create the new mech name */ 126 if (major_status = generic_gss_copy_oid(minor_status, mech_type, 127 &dest_union->mech_type)) 128 goto allocation_failure; 129 130 if (major_status = 131 __gss_import_internal_name(minor_status, mech_type, 132 dest_union, 133 &dest_union->mech_name)) 134 goto allocation_failure; 135 136 if (output_name) 137 *output_name = (gss_name_t)dest_union; 138 139 return (GSS_S_COMPLETE); 140 141 allocation_failure: 142 /* do not delete the src name external name format */ 143 if (output_name) { 144 if (out_union->external_name) { 145 if (out_union->external_name->value) 146 free(out_union->external_name->value); 147 free(out_union->external_name); 148 } 149 if (out_union->name_type) 150 (void) gss_release_oid(minor_status, 151 &out_union->name_type); 152 153 dest_union = out_union; 154 } else 155 dest_union = in_union; 156 157 /* 158 * delete the partially created mech specific name 159 * applies for both src and dest which ever is being used for output 160 */ 161 162 if (dest_union->mech_name) { 163 (void) __gss_release_internal_name(minor_status, 164 dest_union->mech_type, 165 &dest_union->mech_name); 166 } 167 168 if (dest_union->mech_type) 169 (void) gss_release_oid(minor_status, &dest_union->mech_type); 170 171 172 if (output_name) 173 free(out_union); 174 175 return (major_status); 176 } /********** gss_canonicalize_name ********/ 177