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56 #include "gssapiP_eap.h"
58 static gss_OID_desc gssEapNtPrincipalName = {
59 /* 1.3.6.1.4.1.5322.22.2.1 */
60 10, "\x2B\x06\x01\x04\x01\xA9\x4A\x16\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 gssEapReleaseAttrContext(&tmpMinor, name);
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,
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 if (krb5_sname_to_principal(krbContext, host, service,
170 KRB5_NT_SRV_HST, &krbPrinc) != 0) {
171 GSSEAP_FREE(service);
172 *minor = GSSEAP_BAD_SERVICE_NAME;
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,
191 krb5_context krbContext;
192 krb5_principal krbPrinc;
195 GSSEAP_KRB_INIT(&krbContext);
197 if (nameBuffer == GSS_C_NO_BUFFER) {
198 *minor = krb5_copy_principal(krbContext,
199 krb5_anonymous_principal(), &krbPrinc);
201 return GSS_S_FAILURE;
203 major = bufferToString(minor, nameBuffer, &nameString);
204 if (GSS_ERROR(major))
207 *minor = krb5_parse_name(krbContext, nameString, &krbPrinc);
209 GSSEAP_FREE(nameString);
210 return GSS_S_FAILURE;
214 major = krbPrincipalToName(minor, &krbPrinc, pName);
215 if (GSS_ERROR(major)) {
216 krb5_free_principal(krbContext, krbPrinc);
219 GSSEAP_FREE(nameString);
223 #define UPDATE_REMAIN(n) do { \
228 #define CHECK_REMAIN(n) do { \
229 if (remain < (n)) { \
230 *minor = GSSEAP_WRONG_SIZE; \
231 major = GSS_S_BAD_NAME; \
237 gssEapImportNameInternal(OM_uint32 *minor,
238 const gss_buffer_t nameBuffer,
242 OM_uint32 major, tmpMinor;
243 krb5_context krbContext;
247 enum gss_eap_token_type tokType;
248 gss_name_t name = GSS_C_NO_NAME;
250 GSSEAP_KRB_INIT(&krbContext);
252 p = (unsigned char *)nameBuffer->value;
253 remain = nameBuffer->length;
255 if (flags & EXPORT_NAME_FLAG_OID) {
256 if (remain < 6 + GSS_EAP_MECHANISM->length + 4)
257 return GSS_S_BAD_NAME;
259 if (flags & EXPORT_NAME_FLAG_COMPOSITE)
260 tokType = TOK_TYPE_EXPORT_NAME_COMPOSITE;
262 tokType = TOK_TYPE_EXPORT_NAME;
265 if (load_uint16_be(p) != tokType)
266 return GSS_S_BAD_NAME;
270 len = load_uint16_be(p);
271 if (len != 2 + GSS_EAP_MECHANISM->length)
272 return GSS_S_BAD_NAME;
277 return GSS_S_BAD_NAME;
278 if (p[1] != GSS_EAP_MECHANISM->length)
279 return GSS_S_BAD_MECH;
280 if (memcmp(&p[2], GSS_EAP_MECHANISM->elements, GSS_EAP_MECHANISM->length))
281 return GSS_S_BAD_MECH;
282 UPDATE_REMAIN(2 + GSS_EAP_MECHANISM->length);
286 len = load_uint32_be(p);
295 major = importUserName(minor, &buf, &name);
296 if (GSS_ERROR(major))
299 if (flags & EXPORT_NAME_FLAG_COMPOSITE) {
305 major = gssEapImportAttrContext(minor, &buf, name);
306 if (GSS_ERROR(major))
310 major = GSS_S_COMPLETE;
313 if (GSS_ERROR(major))
314 gssEapReleaseName(&tmpMinor, &name);
322 importExportName(OM_uint32 *minor,
323 const gss_buffer_t nameBuffer,
326 return gssEapImportNameInternal(minor, nameBuffer, name,
327 EXPORT_NAME_FLAG_OID);
330 #ifdef HAVE_GSS_C_NT_COMPOSITE_EXPORT
332 importCompositeExportName(OM_uint32 *minor,
333 const gss_buffer_t nameBuffer,
336 return gssEapImportNameInternal(minor, nameBuffer, name,
337 EXPORT_NAME_FLAG_OID |
338 EXPORT_NAME_FLAG_COMPOSITE);
342 struct gss_eap_name_import_provider {
344 OM_uint32 (*import)(OM_uint32 *, const gss_buffer_t, gss_name_t *);
348 gssEapImportName(OM_uint32 *minor,
349 const gss_buffer_t nameBuffer,
353 struct gss_eap_name_import_provider nameTypes[] = {
354 { GSS_C_NT_USER_NAME, importUserName },
355 { GSS_EAP_NT_PRINCIPAL_NAME, importUserName },
356 { GSS_C_NT_HOSTBASED_SERVICE, importServiceName },
357 { GSS_C_NT_HOSTBASED_SERVICE_X, importServiceName },
358 { GSS_C_NT_EXPORT_NAME, importExportName },
359 #ifdef HAVE_GSS_C_NT_COMPOSITE_EXPORT
360 { GSS_C_NT_COMPOSITE_EXPORT, importCompositeExportName },
365 *name = GSS_C_NO_NAME;
367 if (nameType == GSS_C_NO_OID)
368 nameType = nameTypes[0].oid;
370 for (i = 0; i < sizeof(nameTypes) / sizeof(nameTypes[0]); i++) {
371 if (oidEqual(nameTypes[i].oid, nameType))
372 return nameTypes[i].import(minor, nameBuffer, name);
375 return GSS_S_BAD_NAMETYPE;
379 gssEapExportName(OM_uint32 *minor,
380 const gss_name_t name,
381 gss_buffer_t exportedName)
383 return gssEapExportNameInternal(minor, name, exportedName,
384 EXPORT_NAME_FLAG_OID);
388 gssEapExportNameInternal(OM_uint32 *minor,
389 const gss_name_t name,
390 gss_buffer_t exportedName,
393 OM_uint32 major = GSS_S_FAILURE, tmpMinor;
394 krb5_context krbContext;
395 char *krbName = NULL;
396 size_t krbNameLen, exportedNameLen;
398 gss_buffer_desc attrs = GSS_C_EMPTY_BUFFER;
400 exportedName->length = 0;
401 exportedName->value = NULL;
403 GSSEAP_KRB_INIT(&krbContext);
405 *minor = krb5_unparse_name(krbContext, name->krbPrincipal, &krbName);
407 major = GSS_S_FAILURE;
410 krbNameLen = strlen(krbName);
413 if (flags & EXPORT_NAME_FLAG_OID) {
414 exportedNameLen += 6 + GSS_EAP_MECHANISM->length;
416 exportedNameLen += 4 + krbNameLen;
417 if (flags & EXPORT_NAME_FLAG_COMPOSITE) {
418 major = gssEapExportAttrContext(minor, name, &attrs);
419 if (GSS_ERROR(major))
421 exportedNameLen += attrs.length;
424 exportedName->value = GSSEAP_MALLOC(exportedNameLen);
425 if (exportedName->value == NULL) {
426 major = GSS_S_FAILURE;
430 exportedName->length = exportedNameLen;
432 p = (unsigned char *)exportedName->value;
434 if (flags & EXPORT_NAME_FLAG_OID) {
435 /* TOK | MECH_OID_LEN */
436 store_uint16_be((flags & EXPORT_NAME_FLAG_COMPOSITE)
437 ? TOK_TYPE_EXPORT_NAME_COMPOSITE
438 : TOK_TYPE_EXPORT_NAME,
441 store_uint16_be(GSS_EAP_MECHANISM->length + 2, p);
446 *p++ = GSS_EAP_MECHANISM->length & 0xff;
447 memcpy(p, GSS_EAP_MECHANISM->elements, GSS_EAP_MECHANISM->length);
448 p += GSS_EAP_MECHANISM->length;
452 store_uint32_be(krbNameLen, p);
456 memcpy(p, krbName, krbNameLen);
459 if (flags & EXPORT_NAME_FLAG_COMPOSITE) {
460 memcpy(p, attrs.value, attrs.length);
464 assert(p == (unsigned char *)exportedName->value + exportedNameLen);
467 major = GSS_S_COMPLETE;
470 gss_release_buffer(&tmpMinor, &attrs);
471 if (GSS_ERROR(major))
472 gss_release_buffer(&tmpMinor, exportedName);
473 krb5_free_unparsed_name(krbContext, krbName);
479 gssEapDuplicateName(OM_uint32 *minor,
480 const gss_name_t input_name,
481 gss_name_t *dest_name)
483 OM_uint32 major, tmpMinor;
484 krb5_context krbContext;
487 if (input_name == GSS_C_NO_NAME) {
489 return GSS_S_CALL_INACCESSIBLE_READ | GSS_S_BAD_NAME;
492 GSSEAP_KRB_INIT(&krbContext);
494 major = gssEapAllocName(minor, &name);
495 if (GSS_ERROR(major)) {
499 *minor = krb5_copy_principal(krbContext, input_name->krbPrincipal,
500 &name->krbPrincipal);
502 major = GSS_S_FAILURE;
506 if (input_name->attrCtx != NULL) {
507 major = gssEapDuplicateAttrContext(minor, input_name, name);
508 if (GSS_ERROR(major))
515 if (GSS_ERROR(major)) {
516 gssEapReleaseName(&tmpMinor, &name);
523 gssEapDisplayName(OM_uint32 *minor,
525 gss_buffer_t output_name_buffer,
526 gss_OID *output_name_type)
529 krb5_context krbContext;
532 GSSEAP_KRB_INIT(&krbContext);
534 output_name_buffer->length = 0;
535 output_name_buffer->value = NULL;
537 if (name == GSS_C_NO_NAME) {
539 return GSS_S_CALL_INACCESSIBLE_READ | GSS_S_BAD_NAME;
542 *minor = krb5_unparse_name(krbContext, name->krbPrincipal, &krbName);
544 return GSS_S_FAILURE;
547 major = makeStringBuffer(minor, krbName, output_name_buffer);
548 if (GSS_ERROR(major)) {
549 krb5_free_unparsed_name(krbContext, krbName);
553 krb5_free_unparsed_name(krbContext, krbName);
555 if (output_name_type != NULL)
556 *output_name_type = GSS_EAP_NT_PRINCIPAL_NAME;
558 return GSS_S_COMPLETE;