1 /* 2 * Copyright 2004 Sun Microsystems, Inc. All rights reserved. 3 * Use is subject to license terms. 4 */ 5 6 /* #pragma ident "@(#)g_dup_name.c 1.14 04/02/23 SMI" */ 7 8 /* 9 * routine gss_duplicate_name 10 * 11 * This routine does not rely on mechanism implementation of this 12 * name, but instead uses mechanism specific gss_import_name routine. 13 */ 14 15 #include <mglueP.h> 16 #ifdef HAVE_STDLIB_H 17 #include <stdlib.h> 18 #endif 19 #include <string.h> 20 #include <errno.h> 21 22 static OM_uint32 23 val_dup_name_args( 24 OM_uint32 *minor_status, 25 const gss_name_t src_name, 26 gss_name_t *dest_name) 27 { 28 29 /* Initialize outputs. */ 30 31 if (minor_status != NULL) 32 *minor_status = 0; 33 34 if (dest_name != NULL) 35 *dest_name = GSS_C_NO_NAME; 36 37 /* Validate arguments. */ 38 39 if (minor_status == NULL) 40 return (GSS_S_CALL_INACCESSIBLE_WRITE); 41 42 /* if output_name is NULL, simply return */ 43 if (dest_name == NULL) 44 return (GSS_S_CALL_INACCESSIBLE_WRITE); 45 46 if (src_name == GSS_C_NO_NAME) 47 return (GSS_S_CALL_INACCESSIBLE_READ | GSS_S_BAD_NAME); 48 49 return (GSS_S_COMPLETE); 50 } 51 52 53 OM_uint32 KRB5_CALLCONV 54 gss_duplicate_name(minor_status, 55 src_name, 56 dest_name) 57 OM_uint32 *minor_status; 58 const gss_name_t src_name; 59 gss_name_t *dest_name; 60 { 61 gss_union_name_t src_union, dest_union; 62 OM_uint32 major_status = GSS_S_FAILURE; 63 64 major_status = val_dup_name_args(minor_status, src_name, dest_name); 65 if (major_status != GSS_S_COMPLETE) 66 return (major_status); 67 68 src_union = (gss_union_name_t)src_name; 69 70 /* 71 * First create the union name struct that will hold the external 72 * name and the name type. 73 */ 74 dest_union = (gss_union_name_t)malloc(sizeof (gss_union_name_desc)); 75 if (!dest_union) 76 goto allocation_failure; 77 78 dest_union->loopback = 0; 79 dest_union->mech_type = 0; 80 dest_union->mech_name = 0; 81 dest_union->name_type = 0; 82 dest_union->external_name = 0; 83 84 /* Now copy the external representation. */ 85 if (gssint_create_copy_buffer(src_union->external_name, 86 &dest_union->external_name, 0)) 87 goto allocation_failure; 88 89 if (src_union->name_type != GSS_C_NULL_OID) { 90 major_status = generic_gss_copy_oid(minor_status, 91 src_union->name_type, 92 &dest_union->name_type); 93 if (major_status != GSS_S_COMPLETE) { 94 map_errcode(minor_status); 95 goto allocation_failure; 96 } 97 } 98 99 /* 100 * See if source name is mechanim specific, if so then need to import it 101 */ 102 if (src_union->mech_type) { 103 major_status = generic_gss_copy_oid(minor_status, 104 src_union->mech_type, 105 &dest_union->mech_type); 106 if (major_status != GSS_S_COMPLETE) { 107 map_errcode(minor_status); 108 goto allocation_failure; 109 } 110 111 major_status = gssint_import_internal_name(minor_status, 112 src_union->mech_type, 113 src_union, 114 &dest_union->mech_name); 115 if (major_status != GSS_S_COMPLETE) 116 goto allocation_failure; 117 } 118 119 120 dest_union->loopback = dest_union; 121 *dest_name = (gss_name_t)dest_union; 122 return (GSS_S_COMPLETE); 123 124 allocation_failure: 125 if (dest_union) { 126 if (dest_union->external_name) { 127 if (dest_union->external_name->value) 128 free(dest_union->external_name->value); 129 free(dest_union->external_name); 130 } 131 if (dest_union->name_type) 132 (void) generic_gss_release_oid(minor_status, 133 &dest_union->name_type); 134 if (dest_union->mech_name) 135 (void) gssint_release_internal_name(minor_status, 136 dest_union->mech_type, 137 &dest_union->mech_name); 138 if (dest_union->mech_type) 139 (void) generic_gss_release_oid(minor_status, 140 &dest_union->mech_type); 141 free(dest_union); 142 } 143 return (major_status); 144 } /* gss_duplicate_name */ 145