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56 #include "gssapiP_eap.h"
58 static gss_OID_desc gssEapNtPrincipalName = {
59 /* 1.3.6.1.4.1.5322.21.2.1 */
60 12, "\x06\x0A\x2B\x06\x01\x04\x01\xA9\x4A\x15\x02\x01"
63 gss_OID GSS_EAP_NT_PRINCIPAL_NAME = &gssEapNtPrincipalName;
66 gssEapAllocName(OM_uint32 *minor, gss_name_t *pName)
71 assert(*pName == GSS_C_NO_NAME);
73 name = (gss_name_t)GSSEAP_CALLOC(1, sizeof(*name));
79 if (GSSEAP_MUTEX_INIT(&name->mutex) != 0) {
81 gssEapReleaseName(&tmpMinor, &name);
87 return GSS_S_COMPLETE;
91 gssEapReleaseName(OM_uint32 *minor, gss_name_t *pName)
94 krb5_context krbContext = NULL;
98 return GSS_S_COMPLETE;
102 if (name == GSS_C_NO_NAME) {
103 return GSS_S_COMPLETE;
106 GSSEAP_KRB_INIT(&krbContext);
107 krb5_free_principal(krbContext, name->krbPrincipal);
109 radiusFreeAVPs(&tmpMinor, name->avps);
110 samlFreeAssertion(&tmpMinor, name->assertion);
112 GSSEAP_MUTEX_DESTROY(&name->mutex);
117 return GSS_S_COMPLETE;
121 krbPrincipalToName(OM_uint32 *minor,
122 krb5_principal *principal,
128 major = gssEapAllocName(minor, &name);
129 if (GSS_ERROR(major))
132 name->krbPrincipal = *principal;
135 if (name->krbPrincipal->length == 1) {
136 name->flags |= NAME_FLAG_NAI;
138 name->flags |= NAME_FLAG_SERVICE;
142 return GSS_S_COMPLETE;
146 importServiceName(OM_uint32 *minor,
147 const gss_buffer_t nameBuffer,
150 OM_uint32 major, tmpMinor;
151 krb5_context krbContext;
152 krb5_principal krbPrinc;
153 char *service, *host;
155 GSSEAP_KRB_INIT(&krbContext);
157 major = bufferToString(minor, nameBuffer, &service);
158 if (GSS_ERROR(major))
161 host = strchr(service, '@');
167 /* XXX this is probably NOT what we want to be doing */
168 *minor = krb5_sname_to_principal(krbContext, host, service,
169 KRB5_NT_SRV_HST, &krbPrinc);
171 GSSEAP_FREE(service);
172 return GSS_S_FAILURE;
175 major = krbPrincipalToName(minor, &krbPrinc, pName);
176 if (GSS_ERROR(major)) {
177 krb5_free_principal(krbContext, krbPrinc);
180 GSSEAP_FREE(service);
185 importUserName(OM_uint32 *minor,
186 const gss_buffer_t nameBuffer,
189 OM_uint32 major, tmpMinor;
190 krb5_context krbContext;
191 krb5_principal krbPrinc;
194 GSSEAP_KRB_INIT(&krbContext);
196 major = bufferToString(minor, nameBuffer, &nameString);
197 if (GSS_ERROR(major))
200 *minor = krb5_parse_name(krbContext, nameString, &krbPrinc);
202 GSSEAP_FREE(nameString);
203 return GSS_S_FAILURE;
206 major = krbPrincipalToName(minor, &krbPrinc, pName);
207 if (GSS_ERROR(major)) {
208 krb5_free_principal(krbContext, krbPrinc);
211 GSSEAP_FREE(nameString);
216 importExportedName(OM_uint32 *minor,
217 const gss_buffer_t nameBuffer,
220 OM_uint32 major, tmpMinor;
221 krb5_context krbContext;
226 enum gss_eap_token_type tok_type;
228 GSSEAP_KRB_INIT(&krbContext);
230 p = (unsigned char *)nameBuffer->value;
231 remain = nameBuffer->length;
233 if (remain < 6 + GSS_EAP_MECHANISM->length + 4)
234 return GSS_S_BAD_NAME;
237 tok_type = load_uint16_be(p);
238 if (tok_type != TOK_TYPE_EXPORT_NAME &&
239 tok_type != TOK_TYPE_EXPORT_NAME_COMPOSITE)
240 return GSS_S_BAD_NAME;
245 len = load_uint16_be(p);
246 if (len != 2 + GSS_EAP_MECHANISM->length)
247 return GSS_S_BAD_NAME;
253 return GSS_S_BAD_NAME;
254 if (p[1] != GSS_EAP_MECHANISM->length)
255 return GSS_S_BAD_MECH;
256 if (memcmp(p, GSS_EAP_MECHANISM->elements, GSS_EAP_MECHANISM->length))
257 return GSS_S_BAD_MECH;
258 p += 2 + GSS_EAP_MECHANISM->length;
259 remain -= 2 + GSS_EAP_MECHANISM->length;
262 len = load_uint32_be(p);
266 return GSS_S_BAD_NAME;
275 if (composite == 0 && remain != 0)
276 return GSS_S_BAD_NAME;
278 major = importUserName(minor, &buf, pName);
279 if (GSS_ERROR(major))
282 /* XXX TODO composite handling */
284 return GSS_S_COMPLETE;
287 OM_uint32 gssEapImportName(OM_uint32 *minor,
288 const gss_buffer_t nameBuffer,
292 OM_uint32 major, tmpMinor;
294 *name = GSS_C_NO_NAME;
296 if (nameType == GSS_C_NULL_OID ||
297 oidEqual(nameType, GSS_C_NT_USER_NAME) ||
298 oidEqual(nameType, GSS_EAP_NT_PRINCIPAL_NAME))
299 major = importUserName(minor, nameBuffer, name);
300 else if (oidEqual(nameType, GSS_C_NT_HOSTBASED_SERVICE) ||
301 oidEqual(nameType, GSS_C_NT_HOSTBASED_SERVICE_X))
302 major = importServiceName(minor, nameBuffer, name);
303 else if (oidEqual(nameType, GSS_C_NT_EXPORT_NAME))
304 major = importExportedName(minor, nameBuffer, name);
306 major = GSS_S_BAD_NAMETYPE;
308 if (GSS_ERROR(major))
309 gssEapReleaseName(&tmpMinor, name);
314 OM_uint32 gssEapExportName(OM_uint32 *minor,
315 const gss_name_t name,
316 gss_buffer_t exportedName,
319 OM_uint32 major = GSS_S_FAILURE, tmpMinor;
320 krb5_context krbContext;
321 char *krbName = NULL;
325 exportedName->length = 0;
326 exportedName->value = NULL;
328 GSSEAP_KRB_INIT(&krbContext);
329 GSSEAP_MUTEX_LOCK(&name->mutex);
332 * Don't export a composite name if we don't have any attributes.
334 if (composite && !NAME_HAS_ATTRIBUTES(name))
337 *minor = krb5_unparse_name(krbContext, name->krbPrincipal, &krbName);
340 krbNameLen = strlen(krbName);
342 exportedName->length = 6 + GSS_EAP_MECHANISM->length + 4 + krbNameLen;
344 /* TODO: export SAML/AVP, this is pending specification */
345 GSSEAP_NOT_IMPLEMENTED;
348 exportedName->value = GSSEAP_MALLOC(exportedName->length);
349 if (exportedName->value == NULL) {
354 /* TOK | MECH_OID_LEN */
355 p = (unsigned char *)exportedName->value;
356 store_uint16_be(composite
357 ? TOK_TYPE_EXPORT_NAME_COMPOSITE
358 : TOK_TYPE_EXPORT_NAME,
361 store_uint16_be(GSS_EAP_MECHANISM->length + 2, p);
366 *p++ = GSS_EAP_MECHANISM->length & 0xff;
367 memcpy(p, GSS_EAP_MECHANISM->elements, GSS_EAP_MECHANISM->length);
368 p += GSS_EAP_MECHANISM->length;
371 store_uint32_be(krbNameLen, p);
375 memcpy(p, krbName, krbNameLen);
379 major = GSS_S_COMPLETE;
382 GSSEAP_MUTEX_UNLOCK(&name->mutex);
383 if (GSS_ERROR(major))
384 gss_release_buffer(&tmpMinor, exportedName);
385 krb5_free_unparsed_name(krbContext, krbName);
390 static gss_buffer_desc attributePrefixes[] = {
397 /* ATTR_TYPE_SAML_AAA_ASSERTION */
398 sizeof("urn:ietf:params:gss-eap:saml-aaa-assertion"),
399 "urn:ietf:params:gss-eap:saml-aaa-assertion"
402 /* ATTR_TYPE_SAML_ATTR */
403 sizeof("urn:ietf:params:gss-eap:saml-attr"),
404 "urn:ietf:params:gss-eap:saml-attr"
407 /* ATTR_TYPE_RADIUS_AVP */
408 sizeof("urn:ietf:params:gss-eap:radius-avp"),
409 "urn:ietf:params:gss-eap:radius-avp",
413 enum gss_eap_attribute_type
414 gssEapAttributePrefixToType(const gss_buffer_t prefix)
416 enum gss_eap_attribute_type i;
418 for (i = ATTR_TYPE_SAML_AAA_ASSERTION;
419 i < sizeof(attributePrefixes) / sizeof(attributePrefixes[0]);
422 gss_buffer_t p = &attributePrefixes[i];
424 if (p->length == prefix->length &&
425 memcmp(p->value, prefix->value, prefix->length) == 0) {
430 return ATTR_TYPE_NONE;
434 gssEapAttributeTypeToPrefix(enum gss_eap_attribute_type type)
436 if (type <= ATTR_TYPE_NONE ||
437 type > ATTR_TYPE_RADIUS_AVP)
438 return GSS_C_NO_BUFFER;
440 return &attributePrefixes[type];
444 decomposeAttributeName(OM_uint32 *minor,
445 const gss_buffer_t attribute,
452 for (i = 0; i < attribute->length; i++) {
453 if (((char *)attribute->value)[i] == ' ') {
454 p = (char *)attribute->value + i + 1;
459 prefix->value = attribute->value;
462 if (p != NULL && *p != '\0') {
463 suffix->length = attribute->length - 1 - prefix->length;
467 suffix->value = NULL;
471 return GSS_S_COMPLETE;
475 composeAttributeName(OM_uint32 *minor,
476 const gss_buffer_t prefix,
477 const gss_buffer_t suffix,
478 gss_buffer_t attribute)
483 attribute->length = 0;
484 attribute->value = NULL;
486 if (prefix == GSS_C_NO_BUFFER || prefix->length == 0)
487 return GSS_S_COMPLETE;
489 len = prefix->length;
490 if (suffix != NULL) {
491 len += 1 + suffix->length;
494 p = attribute->value = GSSEAP_MALLOC(len + 1);
495 if (attribute->value == NULL) {
497 return GSS_S_FAILURE;
499 attribute->length = len;
501 memcpy(p, prefix->value, prefix->length);
502 if (suffix != NULL) {
503 p[prefix->length] = ' ';
504 memcpy(p + prefix->length + 1, suffix->value, suffix->length);
507 p[attribute->length] = '\0';
510 return GSS_S_COMPLETE;