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 #include "dh_gssapi.h" 28 #include <stdlib.h> 29 30 /* 31 * gss_config structure for Diffie-Hellman family of mechanisms. 32 * This structure is defined in mechglueP.h and defines the entry points 33 * that libgss uses to call a backend. 34 */ 35 static struct gss_config dh_mechanism = { 36 {0, 0}, /* OID for mech type. */ 37 0, 38 __dh_gss_acquire_cred, 39 __dh_gss_release_cred, 40 __dh_gss_init_sec_context, 41 __dh_gss_accept_sec_context, 42 __dh_gss_unseal, 43 __dh_gss_process_context_token, 44 __dh_gss_delete_sec_context, 45 __dh_gss_context_time, 46 __dh_gss_display_status, 47 NULL, /* Back ends don't implement this */ 48 __dh_gss_compare_name, 49 __dh_gss_display_name, 50 __dh_gss_import_name, 51 __dh_gss_release_name, 52 __dh_gss_inquire_cred, 53 NULL, /* Back ends don't implement this */ 54 __dh_gss_seal, 55 __dh_gss_export_sec_context, 56 __dh_gss_import_sec_context, 57 __dh_gss_inquire_cred_by_mech, 58 __dh_gss_inquire_names_for_mech, 59 __dh_gss_inquire_context, 60 __dh_gss_internal_release_oid, 61 __dh_gss_wrap_size_limit, 62 __dh_pname_to_uid, 63 NULL, /* __gss_userok */ 64 __dh_gss_export_name, 65 __dh_gss_sign, 66 __dh_gss_verify, 67 NULL, /* gss_store_cred() -- DH lacks this for now */ 68 }; 69 70 /* 71 * __dh_gss_initialize: 72 * Each mechanism in the Diffie-Hellman family of mechanisms calls this 73 * routine passing a pointer to a gss_config structure. This routine will 74 * then check that the mech is not already initialized (If so just return 75 * the mech). It will then assign the entry points that are common to the 76 * mechanism family to the uninitialized mech. After which, it allocate space 77 * for that mechanism's context. It will be up to the caller to fill in 78 * its mechanism OID and fill in the corresponding fields in mechanism 79 * specific context. 80 */ 81 gss_mechanism 82 __dh_gss_initialize(gss_mechanism mech) 83 { 84 if (mech->context != NULL) 85 return (mech); /* already initialized */ 86 87 /* Copy the common entry points for this mechcanisms */ 88 *mech = dh_mechanism; 89 90 /* Allocate space for this mechanism's context */ 91 mech->context = New(dh_context_desc, 1); 92 if (mech->context == NULL) 93 return (NULL); 94 95 /* return the mech */ 96 return (mech); 97 } 98