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33 #include "gssapiP_eap.h"
36 policyVariableToFlag(enum eapol_bool_var variable)
41 case EAPOL_eapSuccess:
42 flag = CTX_FLAG_EAP_SUCCESS;
44 case EAPOL_eapRestart:
45 flag = CTX_FLAG_EAP_RESTART;
48 flag = CTX_FLAG_EAP_FAIL;
51 flag = CTX_FLAG_EAP_RESP;
54 flag = CTX_FLAG_EAP_NO_RESP;
57 flag = CTX_FLAG_EAP_REQ;
59 case EAPOL_portEnabled:
60 flag = CTX_FLAG_EAP_PORT_ENABLED;
63 flag = CTX_FLAG_EAP_ALT_ACCEPT;
66 flag = CTX_FLAG_EAP_ALT_REJECT;
74 peerGetBool(void *data, enum eapol_bool_var variable)
76 gss_ctx_id_t ctx = data;
79 if (ctx == GSS_C_NO_CONTEXT)
82 flag = policyVariableToFlag(variable);
84 return ((ctx->flags & flag) != 0);
88 peerSetBool(void *data, enum eapol_bool_var variable,
91 gss_ctx_id_t ctx = data;
94 if (ctx == GSS_C_NO_CONTEXT)
97 flag = policyVariableToFlag(variable);
102 ctx->flags &= ~(flag);
106 peerGetInt(void *data, enum eapol_int_var variable)
108 gss_ctx_id_t ctx = data;
110 if (ctx == GSS_C_NO_CONTEXT)
113 assert(CTX_IS_INITIATOR(ctx));
116 case EAPOL_idleWhile:
117 return ctx->initiatorCtx.idleWhile;
125 peerSetInt(void *data, enum eapol_int_var variable,
128 gss_ctx_id_t ctx = data;
130 if (ctx == GSS_C_NO_CONTEXT)
133 assert(CTX_IS_INITIATOR(ctx));
136 case EAPOL_idleWhile:
137 ctx->initiatorCtx.idleWhile = value;
143 eapGssSmInitAuthenticate(OM_uint32 *minor,
150 gss_channel_bindings_t chanBindings,
151 gss_buffer_t inputToken,
152 gss_buffer_t outputToken)
154 OM_uint32 major, tmpMinor;
157 if (inputToken == GSS_C_NO_BUFFER || inputToken->length == 0) {
159 reqFlags &= GSS_C_TRANS_FLAG | GSS_C_REPLAY_FLAG | GSS_C_DCE_STYLE;
160 ctx->gssFlags |= reqFlags;
164 if (timeReq == 0 || timeReq == GSS_C_INDEFINITE)
167 ctx->expiryTime = now + timeReq;
169 major = gss_duplicate_name(minor, cred->name, &ctx->initiatorName);
170 if (GSS_ERROR(major))
173 major = gss_duplicate_name(minor, target, &ctx->acceptorName);
174 if (GSS_ERROR(major))
177 if (mech == GSS_C_NULL_OID || oidEqual(mech, GSS_EAP_MECHANISM)) {
178 major = gssEapDefaultMech(minor, &ctx->mechanismUsed);
179 } else if (gssEapIsConcreteMechanismOid(mech)) {
180 if (!gssEapInternalizeOid(mech, &ctx->mechanismUsed))
181 major = duplicateOid(minor, mech, &ctx->mechanismUsed);
183 major = GSS_S_BAD_MECH;
185 if (GSS_ERROR(major))
193 static struct eap_gss_initiator_sm {
194 enum gss_eap_token_type inputTokenType;
195 enum gss_eap_token_type outputTokenType;
196 OM_uint32 (*processToken)(OM_uint32 *,
203 gss_channel_bindings_t,
206 } eapGssInitiatorSm[] = {
207 { TOK_TYPE_EAP_REQ, TOK_TYPE_EAP_RESP, eapGssSmInitAuthenticate },
211 gss_init_sec_context(OM_uint32 *minor,
213 gss_ctx_id_t *context_handle,
214 gss_name_t target_name,
218 gss_channel_bindings_t input_chan_bindings,
219 gss_buffer_t input_token,
220 gss_OID *actual_mech_type,
221 gss_buffer_t output_token,
222 OM_uint32 *ret_flags,
225 OM_uint32 major, tmpMinor;
226 gss_ctx_id_t ctx = *context_handle;
227 struct eap_gss_initiator_sm *sm = NULL;
228 gss_buffer_desc innerInputToken, innerOutputToken;
232 innerOutputToken.length = 0;
233 innerOutputToken.value = NULL;
235 output_token->length = 0;
236 output_token->value = NULL;
238 if (cred != GSS_C_NO_CREDENTIAL && !(cred->flags & CRED_FLAG_INITIATE)) {
239 return GSS_S_NO_CRED;
242 if (ctx == GSS_C_NO_CONTEXT) {
243 if (input_token != GSS_C_NO_BUFFER && input_token->length != 0) {
244 return GSS_S_DEFECTIVE_TOKEN;
247 major = gssEapAllocContext(minor, &ctx);
248 if (GSS_ERROR(major))
251 ctx->flags |= CTX_FLAG_INITIATOR;
253 *context_handle = ctx;
256 GSSEAP_MUTEX_LOCK(&ctx->mutex);
258 sm = &eapGssInitiatorSm[ctx->state];
260 if (input_token != GSS_C_NO_BUFFER) {
261 major = gssEapVerifyToken(minor, ctx, input_token,
262 sm->inputTokenType, &innerInputToken);
263 if (GSS_ERROR(major))
266 innerInputToken.length = 0;
267 innerInputToken.value = NULL;
270 major = (sm->processToken)(minor,
280 if (GSS_ERROR(major))
283 if (actual_mech_type != NULL) {
284 if (!gssEapInternalizeOid(ctx->mechanismUsed, actual_mech_type))
285 duplicateOid(&tmpMinor, ctx->mechanismUsed, actual_mech_type);
287 if (innerOutputToken.length != 0) {
288 major = gssEapMakeToken(minor, ctx, &innerOutputToken,
289 sm->outputTokenType, output_token);
290 if (GSS_ERROR(major))
293 if (ret_flags != NULL)
294 *ret_flags = ctx->gssFlags;
295 if (time_rec != NULL)
296 gss_context_time(&tmpMinor, ctx, time_rec);
298 assert(ctx->state == EAP_STATE_ESTABLISHED || major == GSS_S_CONTINUE_NEEDED);
301 GSSEAP_MUTEX_UNLOCK(&ctx->mutex);
303 if (GSS_ERROR(major))
304 gssEapReleaseContext(&tmpMinor, context_handle);
306 gss_release_buffer(&tmpMinor, &innerOutputToken);