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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 eapGssSmAuthenticate(OM_uint32 *minor,
146 gss_name_t target_name,
150 gss_channel_bindings_t input_chan_bindings,
151 gss_buffer_t input_token,
152 gss_buffer_t output_token)
154 OM_uint32 major, tmpMinor;
157 if (input_token == GSS_C_NO_BUFFER || input_token->length == 0) {
159 req_flags &= GSS_C_TRANS_FLAG | GSS_C_REPLAY_FLAG | GSS_C_DCE_STYLE;
160 ctx->gssFlags |= req_flags;
164 if (time_req == 0 || time_req == GSS_C_INDEFINITE)
167 ctx->expiryTime = now + time_req;
169 major = gss_duplicate_name(minor, cred->name, &ctx->initiatorName);
170 if (GSS_ERROR(major))
173 major = gss_duplicate_name(minor, target_name, &ctx->acceptorName);
174 if (GSS_ERROR(major))
177 if (mech_type == GSS_C_NULL_OID ||
178 oidEqual(mech_type, GSS_EAP_MECHANISM)) {
179 major = gssEapDefaultMech(minor, &ctx->mechanismUsed);
180 } else if (gssEapIsMechanismOid(mech_type)) {
181 if (!gssEapInternalizeOid(mech_type, &ctx->mechanismUsed))
182 major = duplicateOid(minor, mech_type, &ctx->mechanismUsed);
184 major = GSS_S_BAD_MECH;
186 if (GSS_ERROR(major))
194 static struct eap_gss_initiator_sm {
195 enum gss_eap_token_type inputTokenType;
196 enum gss_eap_token_type outputTokenType;
197 OM_uint32 (*processToken)(OM_uint32 *,
204 gss_channel_bindings_t,
207 } eapGssInitiatorSm[] = {
208 { TOK_TYPE_EAP_REQ, TOK_TYPE_EAP_RESP, eapGssSmAuthenticate },
212 gss_init_sec_context(OM_uint32 *minor,
215 gss_name_t target_name,
219 gss_channel_bindings_t input_chan_bindings,
220 gss_buffer_t input_token,
221 gss_OID *actual_mech_type,
222 gss_buffer_t output_token,
223 OM_uint32 *ret_flags,
226 OM_uint32 major, tmpMinor;
227 gss_ctx_id_t ctx = *pCtx;
228 struct eap_gss_initiator_sm *sm = NULL;
229 gss_buffer_desc innerInputToken, innerOutputToken;
233 innerOutputToken.length = 0;
234 innerOutputToken.value = NULL;
236 output_token->length = 0;
237 output_token->value = NULL;
239 if (cred != GSS_C_NO_CREDENTIAL && !(cred->flags & CRED_FLAG_INITIATE)) {
240 major = GSS_S_NO_CRED;
244 if (ctx == GSS_C_NO_CONTEXT) {
245 if (input_token != GSS_C_NO_BUFFER && input_token->length != 0) {
246 major = GSS_S_DEFECTIVE_TOKEN;
250 major = gssEapAllocContext(minor, &ctx);
251 if (GSS_ERROR(major))
257 sm = &eapGssInitiatorSm[ctx->state];
259 if (input_token != GSS_C_NO_BUFFER) {
260 major = gssEapVerifyToken(minor, ctx, input_token,
261 sm->inputTokenType, &innerInputToken);
262 if (GSS_ERROR(major))
265 innerInputToken.length = 0;
266 innerInputToken.value = NULL;
269 major = (sm->processToken)(minor,
279 if (GSS_ERROR(major))
282 if (output_token->length != 0) {
283 major = gssEapMakeToken(minor, ctx, &innerOutputToken,
284 sm->outputTokenType, output_token);
285 if (GSS_ERROR(major))
289 if (actual_mech_type != NULL) {
290 if (!gssEapInternalizeOid(ctx->mechanismUsed, actual_mech_type))
291 duplicateOid(&tmpMinor, ctx->mechanismUsed, actual_mech_type);
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 || output_token->length != 0);
301 if (GSS_ERROR(major))
302 gssEapReleaseContext(&tmpMinor, pCtx);
304 gss_release_buffer(&tmpMinor, &innerOutputToken);