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 #include "dh_gssapi.h" 30 #include <stdlib.h> 31 32 /* 33 * gss_config structure for Diffie-Hellman family of mechanisms. 34 * This structure is defined in mechglueP.h and defines the entry points 35 * that libgss uses to call a backend. 36 */ 37 static struct gss_config dh_mechanism = { 38 {0, 0}, /* OID for mech type. */ 39 0, 40 __dh_gss_acquire_cred, 41 __dh_gss_release_cred, 42 __dh_gss_init_sec_context, 43 __dh_gss_accept_sec_context, 44 __dh_gss_unseal, 45 __dh_gss_process_context_token, 46 __dh_gss_delete_sec_context, 47 __dh_gss_context_time, 48 __dh_gss_display_status, 49 NULL, /* Back ends don't implement this */ 50 __dh_gss_compare_name, 51 __dh_gss_display_name, 52 __dh_gss_import_name, 53 __dh_gss_release_name, 54 __dh_gss_inquire_cred, 55 NULL, /* Back ends don't implement this */ 56 __dh_gss_seal, 57 __dh_gss_export_sec_context, 58 __dh_gss_import_sec_context, 59 __dh_gss_inquire_cred_by_mech, 60 __dh_gss_inquire_names_for_mech, 61 __dh_gss_inquire_context, 62 __dh_gss_internal_release_oid, 63 __dh_gss_wrap_size_limit, 64 __dh_pname_to_uid, 65 NULL, /* __gss_userok */ 66 __dh_gss_export_name, 67 __dh_gss_sign, 68 __dh_gss_verify, 69 NULL, /* gss_store_cred() -- DH lacks this for now */ 70 }; 71 72 /* 73 * __dh_gss_initialize: 74 * Each mechanism in the Diffie-Hellman family of mechanisms calls this 75 * routine passing a pointer to a gss_config structure. This routine will 76 * then check that the mech is not already initialized (If so just return 77 * the mech). It will then assign the entry points that are common to the 78 * mechanism family to the uninitialized mech. After which, it allocate space 79 * for that mechanism's context. It will be up to the caller to fill in 80 * its mechanism OID and fill in the corresponding fields in mechanism 81 * specific context. 82 */ 83 gss_mechanism 84 __dh_gss_initialize(gss_mechanism mech) 85 { 86 if (mech->context != NULL) 87 return (mech); /* already initialized */ 88 89 /* Copy the common entry points for this mechcanisms */ 90 *mech = dh_mechanism; 91 92 /* Allocate space for this mechanism's context */ 93 mech->context = New(dh_context_desc, 1); 94 if (mech->context == NULL) 95 return (NULL); 96 97 /* return the mech */ 98 return (mech); 99 }