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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 samlReleaseAttrContext(&tmpMinor, &name->samlCtx);
111 GSSEAP_MUTEX_DESTROY(&name->mutex);
116 return GSS_S_COMPLETE;
120 krbPrincipalToName(OM_uint32 *minor,
121 krb5_principal *principal,
127 major = gssEapAllocName(minor, &name);
128 if (GSS_ERROR(major))
131 name->krbPrincipal = *principal;
134 if (name->krbPrincipal->length == 1) {
135 name->flags |= NAME_FLAG_NAI;
137 name->flags |= NAME_FLAG_SERVICE;
143 return GSS_S_COMPLETE;
147 importServiceName(OM_uint32 *minor,
148 const gss_buffer_t nameBuffer,
151 OM_uint32 major, tmpMinor;
152 krb5_context krbContext;
153 krb5_principal krbPrinc;
154 char *service, *host;
156 GSSEAP_KRB_INIT(&krbContext);
158 major = bufferToString(minor, nameBuffer, &service);
159 if (GSS_ERROR(major))
162 host = strchr(service, '@');
168 /* XXX this is probably NOT what we want to be doing */
169 *minor = krb5_sname_to_principal(krbContext, host, service,
170 KRB5_NT_SRV_HST, &krbPrinc);
172 GSSEAP_FREE(service);
173 return GSS_S_FAILURE;
176 major = krbPrincipalToName(minor, &krbPrinc, pName);
177 if (GSS_ERROR(major)) {
178 krb5_free_principal(krbContext, krbPrinc);
181 GSSEAP_FREE(service);
186 importUserName(OM_uint32 *minor,
187 const gss_buffer_t nameBuffer,
190 OM_uint32 major, tmpMinor;
191 krb5_context krbContext;
192 krb5_principal krbPrinc;
195 GSSEAP_KRB_INIT(&krbContext);
197 major = bufferToString(minor, nameBuffer, &nameString);
198 if (GSS_ERROR(major))
201 *minor = krb5_parse_name(krbContext, nameString, &krbPrinc);
203 GSSEAP_FREE(nameString);
204 return GSS_S_FAILURE;
207 major = krbPrincipalToName(minor, &krbPrinc, pName);
208 if (GSS_ERROR(major)) {
209 krb5_free_principal(krbContext, krbPrinc);
212 GSSEAP_FREE(nameString);
217 importExportedName(OM_uint32 *minor,
218 const gss_buffer_t nameBuffer,
221 OM_uint32 major, tmpMinor;
222 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[2], 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);
267 return GSS_S_BAD_NAME;
277 return GSS_S_BAD_NAME;
279 major = importUserName(minor, &buf, pName);
280 if (GSS_ERROR(major))
283 if (tok_type == TOK_TYPE_EXPORT_NAME_COMPOSITE) {
284 gss_buffer_desc saml;
286 saml.length = remain;
289 major = samlImportAttrContext(minor, &saml, &(*pName)->samlCtx);
290 if (GSS_ERROR(major)) {
291 gssEapReleaseName(&tmpMinor, pName);
296 return GSS_S_COMPLETE;
300 gssEapImportName(OM_uint32 *minor,
301 const gss_buffer_t nameBuffer,
305 OM_uint32 major, tmpMinor;
307 *name = GSS_C_NO_NAME;
309 if (nameType == GSS_C_NULL_OID ||
310 oidEqual(nameType, GSS_C_NT_USER_NAME) ||
311 oidEqual(nameType, GSS_EAP_NT_PRINCIPAL_NAME))
312 major = importUserName(minor, nameBuffer, name);
313 else if (oidEqual(nameType, GSS_C_NT_HOSTBASED_SERVICE) ||
314 oidEqual(nameType, GSS_C_NT_HOSTBASED_SERVICE_X))
315 major = importServiceName(minor, nameBuffer, name);
316 else if (oidEqual(nameType, GSS_C_NT_EXPORT_NAME))
317 major = importExportedName(minor, nameBuffer, name);
319 major = GSS_S_BAD_NAMETYPE;
321 if (GSS_ERROR(major))
322 gssEapReleaseName(&tmpMinor, name);
328 gssEapExportName(OM_uint32 *minor,
329 const gss_name_t name,
330 gss_buffer_t exportedName,
333 OM_uint32 major = GSS_S_FAILURE, tmpMinor;
334 krb5_context krbContext;
335 char *krbName = NULL;
338 gss_buffer_desc saml;
343 exportedName->length = 0;
344 exportedName->value = NULL;
346 GSSEAP_KRB_INIT(&krbContext);
347 GSSEAP_MUTEX_LOCK(&name->mutex);
350 * Don't export a composite name if we don't have any attributes.
352 if (composite && !NAME_HAS_ATTRIBUTES(name))
355 *minor = krb5_unparse_name(krbContext, name->krbPrincipal, &krbName);
357 major = GSS_S_FAILURE;
360 krbNameLen = strlen(krbName);
362 exportedName->length = 6 + GSS_EAP_MECHANISM->length + 4 + krbNameLen;
364 major = samlExportAttrContext(minor, name->samlCtx, &saml);
365 if (GSS_ERROR(major))
368 exportedName->length += 4 + saml.length;
371 exportedName->value = GSSEAP_MALLOC(exportedName->length);
372 if (exportedName->value == NULL) {
373 major = GSS_S_FAILURE;
378 /* TOK | MECH_OID_LEN */
379 p = (unsigned char *)exportedName->value;
380 store_uint16_be(composite
381 ? TOK_TYPE_EXPORT_NAME_COMPOSITE
382 : TOK_TYPE_EXPORT_NAME,
385 store_uint16_be(GSS_EAP_MECHANISM->length + 2, p);
390 *p++ = GSS_EAP_MECHANISM->length & 0xff;
391 memcpy(p, GSS_EAP_MECHANISM->elements, GSS_EAP_MECHANISM->length);
392 p += GSS_EAP_MECHANISM->length;
395 store_uint32_be(krbNameLen, p);
399 memcpy(p, krbName, krbNameLen);
402 store_uint32_be(saml.length, p);
405 memcpy(p, saml.value, saml.length);
409 major = GSS_S_COMPLETE;
412 GSSEAP_MUTEX_UNLOCK(&name->mutex);
413 gss_release_buffer(&tmpMinor, &saml);
414 if (GSS_ERROR(major))
415 gss_release_buffer(&tmpMinor, exportedName);
416 krb5_free_unparsed_name(krbContext, krbName);
421 static gss_buffer_desc attributePrefixes[] = {
428 /* ATTR_TYPE_SAML_AAA_ASSERTION */
429 sizeof("urn:ietf:params:gss-eap:saml-aaa-assertion"),
430 "urn:ietf:params:gss-eap:saml-aaa-assertion"
433 /* ATTR_TYPE_SAML_ATTR */
434 sizeof("urn:ietf:params:gss-eap:saml-attr"),
435 "urn:ietf:params:gss-eap:saml-attr"
438 /* ATTR_TYPE_RADIUS_AVP */
439 sizeof("urn:ietf:params:gss-eap:radius-avp"),
440 "urn:ietf:params:gss-eap:radius-avp",
444 enum gss_eap_attribute_type
445 gssEapAttributePrefixToType(const gss_buffer_t prefix)
447 enum gss_eap_attribute_type i;
449 for (i = ATTR_TYPE_SAML_AAA_ASSERTION;
450 i < sizeof(attributePrefixes) / sizeof(attributePrefixes[0]);
453 gss_buffer_t p = &attributePrefixes[i];
455 if (p->length == prefix->length &&
456 memcmp(p->value, prefix->value, prefix->length) == 0) {
461 return ATTR_TYPE_NONE;
465 gssEapAttributeTypeToPrefix(enum gss_eap_attribute_type type)
467 if (type <= ATTR_TYPE_NONE ||
468 type > ATTR_TYPE_RADIUS_AVP)
469 return GSS_C_NO_BUFFER;
471 return &attributePrefixes[type];
475 decomposeAttributeName(OM_uint32 *minor,
476 const gss_buffer_t attribute,
483 for (i = 0; i < attribute->length; i++) {
484 if (((char *)attribute->value)[i] == ' ') {
485 p = (char *)attribute->value + i + 1;
490 prefix->value = attribute->value;
493 if (p != NULL && *p != '\0') {
494 suffix->length = attribute->length - 1 - prefix->length;
498 suffix->value = NULL;
502 return GSS_S_COMPLETE;
506 composeAttributeName(OM_uint32 *minor,
507 const gss_buffer_t prefix,
508 const gss_buffer_t suffix,
509 gss_buffer_t attribute)
514 attribute->length = 0;
515 attribute->value = NULL;
517 if (prefix == GSS_C_NO_BUFFER || prefix->length == 0)
518 return GSS_S_COMPLETE;
520 len = prefix->length;
521 if (suffix != NULL) {
522 len += 1 + suffix->length;
525 p = attribute->value = GSSEAP_MALLOC(len + 1);
526 if (attribute->value == NULL) {
528 return GSS_S_FAILURE;
530 attribute->length = len;
532 memcpy(p, prefix->value, prefix->length);
533 if (suffix != NULL) {
534 p[prefix->length] = ' ';
535 memcpy(p + prefix->length + 1, suffix->value, suffix->length);
538 p[attribute->length] = '\0';
541 return GSS_S_COMPLETE;