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 (c) 1999, 2010, Oracle and/or its affiliates. All rights reserved. 23 */ 24 25 /* 26 * glue routine for gss_seal 27 */ 28 29 #include <mechglueP.h> 30 #include "gssapiP_generic.h" 31 32 33 static OM_uint32 34 val_seal_args( 35 OM_uint32 *minor_status, 36 gss_ctx_id_t context_handle, 37 gss_buffer_t input_message_buffer, 38 gss_buffer_t output_message_buffer) 39 { 40 41 /* Initialize outputs. */ 42 43 if (minor_status != NULL) 44 *minor_status = 0; 45 46 if (output_message_buffer != GSS_C_NO_BUFFER) { 47 output_message_buffer->length = 0; 48 output_message_buffer->value = NULL; 49 } 50 51 /* Validate arguments. */ 52 53 if (minor_status == NULL) 54 return (GSS_S_CALL_INACCESSIBLE_WRITE); 55 56 if (context_handle == GSS_C_NO_CONTEXT) 57 return (GSS_S_CALL_INACCESSIBLE_READ | GSS_S_NO_CONTEXT); 58 59 if (input_message_buffer == GSS_C_NO_BUFFER) 60 return (GSS_S_CALL_INACCESSIBLE_READ); 61 62 if (output_message_buffer == GSS_C_NO_BUFFER) 63 return (GSS_S_CALL_INACCESSIBLE_WRITE); 64 65 return (GSS_S_COMPLETE); 66 } 67 68 /*ARGSUSED*/ 69 OM_uint32 70 gss_seal(minor_status, 71 context_handle, 72 conf_req_flag, 73 qop_req, 74 input_message_buffer, 75 conf_state, 76 output_message_buffer) 77 78 OM_uint32 * minor_status; 79 gss_ctx_id_t context_handle; 80 int conf_req_flag; 81 int qop_req; 82 gss_buffer_t input_message_buffer; 83 int * conf_state; 84 gss_buffer_t output_message_buffer; 85 { 86 /* EXPORT DELETE START */ 87 88 OM_uint32 status; 89 gss_union_ctx_id_t ctx; 90 gss_mechanism mech; 91 92 status = val_seal_args(minor_status, 93 context_handle, 94 input_message_buffer, 95 output_message_buffer); 96 if (status != GSS_S_COMPLETE) 97 return (status); 98 99 /* 100 * select the approprate underlying mechanism routine and 101 * call it. 102 */ 103 104 ctx = (gss_union_ctx_id_t) context_handle; 105 mech = __gss_get_mechanism(ctx->mech_type); 106 107 if (mech) { 108 if (mech->gss_seal) { 109 status = mech->gss_seal( 110 mech->context, 111 minor_status, 112 ctx->internal_ctx_id, 113 conf_req_flag, 114 qop_req, 115 input_message_buffer, 116 conf_state, 117 output_message_buffer); 118 if (status != GSS_S_COMPLETE) 119 map_error(minor_status, mech); 120 } else 121 status = GSS_S_UNAVAILABLE; 122 123 return (status); 124 } 125 /* EXPORT DELETE END */ 126 127 return (GSS_S_BAD_MECH); 128 } 129 130 OM_uint32 131 gss_wrap(minor_status, 132 context_handle, 133 conf_req_flag, 134 qop_req, 135 input_message_buffer, 136 conf_state, 137 output_message_buffer) 138 139 OM_uint32 * minor_status; 140 const gss_ctx_id_t context_handle; 141 int conf_req_flag; 142 gss_qop_t qop_req; 143 const gss_buffer_t input_message_buffer; 144 int * conf_state; 145 gss_buffer_t output_message_buffer; 146 147 { 148 return gss_seal(minor_status, (gss_ctx_id_t)context_handle, 149 conf_req_flag, (int) qop_req, 150 (gss_buffer_t)input_message_buffer, conf_state, 151 output_message_buffer); 152 } 153 154 /* 155 * New for V2 156 */ 157 OM_uint32 158 gss_wrap_size_limit(minor_status, context_handle, conf_req_flag, 159 qop_req, req_output_size, max_input_size) 160 OM_uint32 *minor_status; 161 const gss_ctx_id_t context_handle; 162 int conf_req_flag; 163 gss_qop_t qop_req; 164 OM_uint32 req_output_size; 165 OM_uint32 *max_input_size; 166 { 167 gss_union_ctx_id_t ctx; 168 gss_mechanism mech; 169 OM_uint32 major_status; 170 171 if (minor_status == NULL) 172 return (GSS_S_CALL_INACCESSIBLE_WRITE); 173 *minor_status = 0; 174 175 if (context_handle == GSS_C_NO_CONTEXT) 176 return (GSS_S_CALL_INACCESSIBLE_READ | GSS_S_NO_CONTEXT); 177 178 if (max_input_size == NULL) 179 return (GSS_S_CALL_INACCESSIBLE_WRITE); 180 181 /* 182 * select the approprate underlying mechanism routine and 183 * call it. 184 */ 185 186 ctx = (gss_union_ctx_id_t) context_handle; 187 mech = __gss_get_mechanism(ctx->mech_type); 188 189 if (!mech) 190 return (GSS_S_BAD_MECH); 191 192 if (mech->gss_wrap_size_limit) 193 major_status = mech->gss_wrap_size_limit(mech->context, 194 minor_status, 195 ctx->internal_ctx_id, 196 conf_req_flag, qop_req, 197 req_output_size, 198 max_input_size); 199 else 200 major_status = GSS_S_UNAVAILABLE; 201 if (major_status != GSS_S_COMPLETE) 202 map_error(minor_status, mech); 203 return major_status; 204 } 205