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 OM_uint32 status; 87 gss_union_ctx_id_t ctx; 88 gss_mechanism mech; 89 90 status = val_seal_args(minor_status, 91 context_handle, 92 input_message_buffer, 93 output_message_buffer); 94 if (status != GSS_S_COMPLETE) 95 return (status); 96 97 /* 98 * select the approprate underlying mechanism routine and 99 * call it. 100 */ 101 102 ctx = (gss_union_ctx_id_t) context_handle; 103 mech = __gss_get_mechanism(ctx->mech_type); 104 105 if (mech) { 106 if (mech->gss_seal) { 107 status = mech->gss_seal( 108 mech->context, 109 minor_status, 110 ctx->internal_ctx_id, 111 conf_req_flag, 112 qop_req, 113 input_message_buffer, 114 conf_state, 115 output_message_buffer); 116 if (status != GSS_S_COMPLETE) 117 map_error(minor_status, mech); 118 } else 119 status = GSS_S_UNAVAILABLE; 120 121 return (status); 122 } 123 124 return (GSS_S_BAD_MECH); 125 } 126 127 OM_uint32 128 gss_wrap(minor_status, 129 context_handle, 130 conf_req_flag, 131 qop_req, 132 input_message_buffer, 133 conf_state, 134 output_message_buffer) 135 136 OM_uint32 * minor_status; 137 const gss_ctx_id_t context_handle; 138 int conf_req_flag; 139 gss_qop_t qop_req; 140 const gss_buffer_t input_message_buffer; 141 int * conf_state; 142 gss_buffer_t output_message_buffer; 143 144 { 145 return gss_seal(minor_status, (gss_ctx_id_t)context_handle, 146 conf_req_flag, (int) qop_req, 147 (gss_buffer_t)input_message_buffer, conf_state, 148 output_message_buffer); 149 } 150 151 /* 152 * New for V2 153 */ 154 OM_uint32 155 gss_wrap_size_limit(minor_status, context_handle, conf_req_flag, 156 qop_req, req_output_size, max_input_size) 157 OM_uint32 *minor_status; 158 const gss_ctx_id_t context_handle; 159 int conf_req_flag; 160 gss_qop_t qop_req; 161 OM_uint32 req_output_size; 162 OM_uint32 *max_input_size; 163 { 164 gss_union_ctx_id_t ctx; 165 gss_mechanism mech; 166 OM_uint32 major_status; 167 168 if (minor_status == NULL) 169 return (GSS_S_CALL_INACCESSIBLE_WRITE); 170 *minor_status = 0; 171 172 if (context_handle == GSS_C_NO_CONTEXT) 173 return (GSS_S_CALL_INACCESSIBLE_READ | GSS_S_NO_CONTEXT); 174 175 if (max_input_size == NULL) 176 return (GSS_S_CALL_INACCESSIBLE_WRITE); 177 178 /* 179 * select the approprate underlying mechanism routine and 180 * call it. 181 */ 182 183 ctx = (gss_union_ctx_id_t) context_handle; 184 mech = __gss_get_mechanism(ctx->mech_type); 185 186 if (!mech) 187 return (GSS_S_BAD_MECH); 188 189 if (mech->gss_wrap_size_limit) 190 major_status = mech->gss_wrap_size_limit(mech->context, 191 minor_status, 192 ctx->internal_ctx_id, 193 conf_req_flag, qop_req, 194 req_output_size, 195 max_input_size); 196 else 197 major_status = GSS_S_UNAVAILABLE; 198 if (major_status != GSS_S_COMPLETE) 199 map_error(minor_status, mech); 200 return major_status; 201 } 202