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 (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 /* 22 * Copyright 2007 Sun Microsystems, Inc. All rights reserved. 23 * Use is subject to license terms. 24 */ 25 26 #pragma ident "%Z%%M% %I% %E% SMI" 27 28 /* 29 * routine gss_canonicalize_name 30 * 31 * This routine is used to produce a mechanism specific 32 * representation of name that has been previously 33 * imported with gss_import_name. The routine uses the mechanism 34 * specific implementation of gss_import_name to implement this 35 * function. 36 * 37 * We allow a NULL output_name, in which case we modify the 38 * input_name to include the mechanism specific name. 39 */ 40 41 #include <mechglueP.h> 42 #ifdef HAVE_STDLIB_H 43 #include <stdlib.h> 44 #endif 45 #include <string.h> 46 #include <errno.h> 47 48 OM_uint32 49 gss_canonicalize_name(minor_status, 50 input_name, 51 mech_type, 52 output_name) 53 OM_uint32 *minor_status; 54 const gss_name_t input_name; 55 const gss_OID mech_type; 56 gss_name_t *output_name; 57 { 58 gss_union_name_t in_union, out_union = NULL, dest_union = NULL; 59 OM_uint32 major_status = GSS_S_FAILURE; 60 61 if (minor_status == NULL) 62 return (GSS_S_CALL_INACCESSIBLE_WRITE); 63 64 *minor_status = 0; 65 66 if (output_name) 67 *output_name = 0; 68 69 /* check the input parameters */ 70 if (input_name == NULL || mech_type == GSS_C_NULL_OID) 71 return (GSS_S_CALL_INACCESSIBLE_READ); 72 73 in_union = (gss_union_name_t)input_name; 74 /* 75 * If the caller wants to reuse the name, and the name has already 76 * been converted, then there is nothing for us to do. 77 */ 78 if (!output_name && in_union->mech_type && 79 g_OID_equal(in_union->mech_type, mech_type)) 80 return (GSS_S_COMPLETE); 81 82 /* ok, then we need to do something - start by creating data struct */ 83 if (output_name) { 84 out_union = 85 (gss_union_name_t)malloc(sizeof (gss_union_name_desc)); 86 if (!out_union) 87 goto allocation_failure; 88 89 out_union->mech_type = 0; 90 out_union->mech_name = 0; 91 out_union->name_type = 0; 92 out_union->external_name = 0; 93 94 /* Allocate the buffer for the user specified representation */ 95 if (gssint_create_copy_buffer(in_union->external_name, 96 &out_union->external_name, 1)) 97 goto allocation_failure; 98 99 if (in_union->name_type != GSS_C_NULL_OID) { 100 if ((major_status = generic_gss_copy_oid(minor_status, 101 in_union->name_type, &out_union->name_type))) 102 goto allocation_failure; 103 } 104 105 } 106 107 /* 108 * might need to delete any old mechanism names if we are 109 * reusing the buffer. 110 */ 111 if (!output_name) { 112 if (in_union->mech_type) { 113 (void) __gss_release_internal_name(minor_status, 114 in_union->mech_type, 115 &in_union->mech_name); 116 (void) gss_release_oid(minor_status, 117 &in_union->mech_type); 118 in_union->mech_type = 0; 119 } 120 dest_union = in_union; 121 } else 122 dest_union = out_union; 123 124 /* now let's create the new mech name */ 125 if (major_status = generic_gss_copy_oid(minor_status, mech_type, 126 &dest_union->mech_type)) 127 goto allocation_failure; 128 129 if (major_status = 130 __gss_import_internal_name(minor_status, mech_type, 131 dest_union, 132 &dest_union->mech_name)) 133 goto allocation_failure; 134 135 if (output_name) 136 *output_name = (gss_name_t)dest_union; 137 138 return (GSS_S_COMPLETE); 139 140 allocation_failure: 141 /* do not delete the src name external name format */ 142 if (output_name) { 143 if (out_union->external_name) { 144 if (out_union->external_name->value) 145 free(out_union->external_name->value); 146 free(out_union->external_name); 147 } 148 if (out_union->name_type) 149 (void) gss_release_oid(minor_status, 150 &out_union->name_type); 151 152 dest_union = out_union; 153 } else 154 dest_union = in_union; 155 156 /* 157 * delete the partially created mech specific name 158 * applies for both src and dest which ever is being used for output 159 */ 160 161 if (dest_union->mech_name) { 162 (void) __gss_release_internal_name(minor_status, 163 dest_union->mech_type, 164 &dest_union->mech_name); 165 } 166 167 if (dest_union->mech_type) 168 (void) gss_release_oid(minor_status, &dest_union->mech_type); 169 170 171 if (output_name) 172 free(out_union); 173 174 return (major_status); 175 } /********** gss_canonicalize_name ********/ 176