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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 10, "\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 *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 radiusReleaseAttrContext(&tmpMinor, &name->radiusCtx);
110 samlReleaseAttrContext(&tmpMinor, &name->samlCtx);
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;
144 return GSS_S_COMPLETE;
148 importServiceName(OM_uint32 *minor,
149 const gss_buffer_t nameBuffer,
152 OM_uint32 major, tmpMinor;
153 krb5_context krbContext;
154 krb5_principal krbPrinc;
155 char *service, *host;
157 GSSEAP_KRB_INIT(&krbContext);
159 major = bufferToString(minor, nameBuffer, &service);
160 if (GSS_ERROR(major))
163 host = strchr(service, '@');
169 /* XXX this is probably NOT what we want to be doing */
170 *minor = krb5_sname_to_principal(krbContext, host, service,
171 KRB5_NT_SRV_HST, &krbPrinc);
173 GSSEAP_FREE(service);
174 return GSS_S_FAILURE;
177 major = krbPrincipalToName(minor, &krbPrinc, pName);
178 if (GSS_ERROR(major)) {
179 krb5_free_principal(krbContext, krbPrinc);
182 GSSEAP_FREE(service);
187 importUserName(OM_uint32 *minor,
188 const gss_buffer_t nameBuffer,
191 OM_uint32 major, tmpMinor;
192 krb5_context krbContext;
193 krb5_principal krbPrinc;
196 GSSEAP_KRB_INIT(&krbContext);
198 major = bufferToString(minor, nameBuffer, &nameString);
199 if (GSS_ERROR(major))
202 *minor = krb5_parse_name(krbContext, nameString, &krbPrinc);
204 GSSEAP_FREE(nameString);
205 return GSS_S_FAILURE;
208 major = krbPrincipalToName(minor, &krbPrinc, pName);
209 if (GSS_ERROR(major)) {
210 krb5_free_principal(krbContext, krbPrinc);
213 GSSEAP_FREE(nameString);
218 importExportedName(OM_uint32 *minor,
219 const gss_buffer_t nameBuffer,
222 OM_uint32 major, tmpMinor;
223 krb5_context krbContext;
228 enum gss_eap_token_type tok_type;
230 GSSEAP_KRB_INIT(&krbContext);
232 p = (unsigned char *)nameBuffer->value;
233 remain = nameBuffer->length;
235 if (remain < 6 + GSS_EAP_MECHANISM->length + 4)
236 return GSS_S_BAD_NAME;
239 tok_type = load_uint16_be(p);
240 if (tok_type != TOK_TYPE_EXPORT_NAME &&
241 tok_type != TOK_TYPE_EXPORT_NAME_COMPOSITE)
242 return GSS_S_BAD_NAME;
247 len = load_uint16_be(p);
248 if (len != 2 + GSS_EAP_MECHANISM->length)
249 return GSS_S_BAD_NAME;
255 return GSS_S_BAD_NAME;
256 if (p[1] != GSS_EAP_MECHANISM->length)
257 return GSS_S_BAD_MECH;
258 if (memcmp(&p[2], GSS_EAP_MECHANISM->elements, GSS_EAP_MECHANISM->length))
259 return GSS_S_BAD_MECH;
260 p += 2 + GSS_EAP_MECHANISM->length;
261 remain -= 2 + GSS_EAP_MECHANISM->length;
264 len = load_uint32_be(p);
269 return GSS_S_BAD_NAME;
278 if (composite == 0 && remain != 0)
279 return GSS_S_BAD_NAME;
281 major = importUserName(minor, &buf, pName);
282 if (GSS_ERROR(major))
285 /* XXX TODO composite handling */
287 return GSS_S_COMPLETE;
291 gssEapImportName(OM_uint32 *minor,
292 const gss_buffer_t nameBuffer,
296 OM_uint32 major, tmpMinor;
298 *name = GSS_C_NO_NAME;
300 if (nameType == GSS_C_NULL_OID ||
301 oidEqual(nameType, GSS_C_NT_USER_NAME) ||
302 oidEqual(nameType, GSS_EAP_NT_PRINCIPAL_NAME))
303 major = importUserName(minor, nameBuffer, name);
304 else if (oidEqual(nameType, GSS_C_NT_HOSTBASED_SERVICE) ||
305 oidEqual(nameType, GSS_C_NT_HOSTBASED_SERVICE_X))
306 major = importServiceName(minor, nameBuffer, name);
307 else if (oidEqual(nameType, GSS_C_NT_EXPORT_NAME))
308 major = importExportedName(minor, nameBuffer, name);
310 major = GSS_S_BAD_NAMETYPE;
312 if (GSS_ERROR(major))
313 gssEapReleaseName(&tmpMinor, name);
319 gssEapExportName(OM_uint32 *minor,
320 const gss_name_t name,
321 gss_buffer_t exportedName,
324 OM_uint32 major = GSS_S_FAILURE, tmpMinor;
325 krb5_context krbContext;
326 char *krbName = NULL;
330 exportedName->length = 0;
331 exportedName->value = NULL;
333 GSSEAP_KRB_INIT(&krbContext);
334 GSSEAP_MUTEX_LOCK(&name->mutex);
337 * Don't export a composite name if we don't have any attributes.
339 if (composite && !NAME_HAS_ATTRIBUTES(name))
342 *minor = krb5_unparse_name(krbContext, name->krbPrincipal, &krbName);
345 krbNameLen = strlen(krbName);
347 exportedName->length = 6 + GSS_EAP_MECHANISM->length + 4 + krbNameLen;
349 /* TODO: export SAML/AVP, this is pending specification */
353 exportedName->value = GSSEAP_MALLOC(exportedName->length);
354 if (exportedName->value == NULL) {
359 /* TOK | MECH_OID_LEN */
360 p = (unsigned char *)exportedName->value;
361 store_uint16_be(composite
362 ? TOK_TYPE_EXPORT_NAME_COMPOSITE
363 : TOK_TYPE_EXPORT_NAME,
366 store_uint16_be(GSS_EAP_MECHANISM->length + 2, p);
371 *p++ = GSS_EAP_MECHANISM->length & 0xff;
372 memcpy(p, GSS_EAP_MECHANISM->elements, GSS_EAP_MECHANISM->length);
373 p += GSS_EAP_MECHANISM->length;
376 store_uint32_be(krbNameLen, p);
380 memcpy(p, krbName, krbNameLen);
384 major = GSS_S_COMPLETE;
387 GSSEAP_MUTEX_UNLOCK(&name->mutex);
388 if (GSS_ERROR(major))
389 gss_release_buffer(&tmpMinor, exportedName);
390 krb5_free_unparsed_name(krbContext, krbName);
395 static gss_buffer_desc attributePrefixes[] = {
402 /* ATTR_TYPE_SAML_AAA_ASSERTION */
403 sizeof("urn:ietf:params:gss-eap:saml-aaa-assertion"),
404 "urn:ietf:params:gss-eap:saml-aaa-assertion"
407 /* ATTR_TYPE_SAML_ATTR */
408 sizeof("urn:ietf:params:gss-eap:saml-attr"),
409 "urn:ietf:params:gss-eap:saml-attr"
412 /* ATTR_TYPE_RADIUS_AVP */
413 sizeof("urn:ietf:params:gss-eap:radius-avp"),
414 "urn:ietf:params:gss-eap:radius-avp",
418 enum gss_eap_attribute_type
419 gssEapAttributePrefixToType(const gss_buffer_t prefix)
421 enum gss_eap_attribute_type i;
423 for (i = ATTR_TYPE_SAML_AAA_ASSERTION;
424 i < sizeof(attributePrefixes) / sizeof(attributePrefixes[0]);
427 gss_buffer_t p = &attributePrefixes[i];
429 if (p->length == prefix->length &&
430 memcmp(p->value, prefix->value, prefix->length) == 0) {
435 return ATTR_TYPE_NONE;
439 gssEapAttributeTypeToPrefix(enum gss_eap_attribute_type type)
441 if (type <= ATTR_TYPE_NONE ||
442 type > ATTR_TYPE_RADIUS_AVP)
443 return GSS_C_NO_BUFFER;
445 return &attributePrefixes[type];
449 decomposeAttributeName(OM_uint32 *minor,
450 const gss_buffer_t attribute,
457 for (i = 0; i < attribute->length; i++) {
458 if (((char *)attribute->value)[i] == ' ') {
459 p = (char *)attribute->value + i + 1;
464 prefix->value = attribute->value;
467 if (p != NULL && *p != '\0') {
468 suffix->length = attribute->length - 1 - prefix->length;
472 suffix->value = NULL;
476 return GSS_S_COMPLETE;
480 composeAttributeName(OM_uint32 *minor,
481 const gss_buffer_t prefix,
482 const gss_buffer_t suffix,
483 gss_buffer_t attribute)
488 attribute->length = 0;
489 attribute->value = NULL;
491 if (prefix == GSS_C_NO_BUFFER || prefix->length == 0)
492 return GSS_S_COMPLETE;
494 len = prefix->length;
495 if (suffix != NULL) {
496 len += 1 + suffix->length;
499 p = attribute->value = GSSEAP_MALLOC(len + 1);
500 if (attribute->value == NULL) {
502 return GSS_S_FAILURE;
504 attribute->length = len;
506 memcpy(p, prefix->value, prefix->length);
507 if (suffix != NULL) {
508 p[prefix->length] = ' ';
509 memcpy(p + prefix->length + 1, suffix->value, suffix->length);
512 p[attribute->length] = '\0';
515 return GSS_S_COMPLETE;