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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 *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,
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) {
303 buf.length = load_uint32_be(p);
306 CHECK_REMAIN(buf.length);
308 UPDATE_REMAIN(buf.length);
310 major = gssEapImportAttrContext(minor, &buf, name);
311 if (GSS_ERROR(major))
315 major = GSS_S_COMPLETE;
318 if (GSS_ERROR(major))
319 gssEapReleaseName(&tmpMinor, &name);
327 importExportName(OM_uint32 *minor,
328 const gss_buffer_t nameBuffer,
331 return gssEapImportNameInternal(minor, nameBuffer, name,
332 EXPORT_NAME_FLAG_OID);
335 #ifdef HAVE_GSS_C_NT_COMPOSITE_EXPORT
337 importCompositeExportName(OM_uint32 *minor,
338 const gss_buffer_t nameBuffer,
341 return gssEapImportNameInternal(minor, nameBuffer, name,
342 EXPORT_NAME_FLAG_OID |
343 EXPORT_NAME_FLAG_COMPOSITE);
347 struct gss_eap_name_import_provider {
349 OM_uint32 (*import)(OM_uint32 *, const gss_buffer_t, gss_name_t *);
353 gssEapImportName(OM_uint32 *minor,
354 const gss_buffer_t nameBuffer,
358 struct gss_eap_name_import_provider nameTypes[] = {
359 { GSS_C_NT_USER_NAME, importUserName },
360 { GSS_EAP_NT_PRINCIPAL_NAME, importUserName },
361 { GSS_C_NT_HOSTBASED_SERVICE, importServiceName },
362 { GSS_C_NT_HOSTBASED_SERVICE_X, importServiceName },
363 { GSS_C_NT_EXPORT_NAME, importExportName },
364 #ifdef HAVE_GSS_C_NT_COMPOSITE_EXPORT
365 { GSS_C_NT_COMPOSITE_EXPORT, importCompositeExportName },
370 *name = GSS_C_NO_NAME;
372 if (nameType == GSS_C_NO_OID)
373 nameType = nameTypes[0].oid;
375 for (i = 0; i < sizeof(nameTypes) / sizeof(nameTypes[0]); i++) {
376 if (oidEqual(nameTypes[i].oid, nameType))
377 return nameTypes[i].import(minor, nameBuffer, name);
380 return GSS_S_BAD_NAMETYPE;
384 gssEapExportName(OM_uint32 *minor,
385 const gss_name_t name,
386 gss_buffer_t exportedName)
388 return gssEapExportNameInternal(minor, name, exportedName,
389 EXPORT_NAME_FLAG_OID);
393 gssEapExportNameInternal(OM_uint32 *minor,
394 const gss_name_t name,
395 gss_buffer_t exportedName,
398 OM_uint32 major = GSS_S_FAILURE, tmpMinor;
399 krb5_context krbContext;
400 char *krbName = NULL;
401 size_t krbNameLen, exportedNameLen;
403 gss_buffer_desc attrs = GSS_C_EMPTY_BUFFER;
405 exportedName->length = 0;
406 exportedName->value = NULL;
408 GSSEAP_KRB_INIT(&krbContext);
410 *minor = krb5_unparse_name(krbContext, name->krbPrincipal, &krbName);
412 major = GSS_S_FAILURE;
415 krbNameLen = strlen(krbName);
418 if (flags & EXPORT_NAME_FLAG_OID) {
419 exportedNameLen += 6 + GSS_EAP_MECHANISM->length;
421 exportedNameLen += 4 + krbNameLen;
422 if (flags & EXPORT_NAME_FLAG_COMPOSITE) {
423 major = gssEapExportAttrContext(minor, name, &attrs);
424 if (GSS_ERROR(major))
426 exportedNameLen += 4 + attrs.length;
429 exportedName->value = GSSEAP_MALLOC(exportedNameLen);
430 if (exportedName->value == NULL) {
431 major = GSS_S_FAILURE;
435 exportedName->length = exportedNameLen;
437 p = (unsigned char *)exportedName->value;
439 if (flags & EXPORT_NAME_FLAG_OID) {
440 /* TOK | MECH_OID_LEN */
441 store_uint16_be((flags & EXPORT_NAME_FLAG_COMPOSITE)
442 ? TOK_TYPE_EXPORT_NAME_COMPOSITE
443 : TOK_TYPE_EXPORT_NAME,
446 store_uint16_be(GSS_EAP_MECHANISM->length + 2, p);
451 *p++ = GSS_EAP_MECHANISM->length & 0xff;
452 memcpy(p, GSS_EAP_MECHANISM->elements, GSS_EAP_MECHANISM->length);
453 p += GSS_EAP_MECHANISM->length;
457 store_uint32_be(krbNameLen, p);
461 memcpy(p, krbName, krbNameLen);
464 if (flags & EXPORT_NAME_FLAG_COMPOSITE) {
465 store_uint32_be(attrs.length, p);
466 memcpy(&p[4], attrs.value, attrs.length);
467 p += 4 + attrs.length;
471 major = GSS_S_COMPLETE;
474 gss_release_buffer(&tmpMinor, &attrs);
475 if (GSS_ERROR(major))
476 gss_release_buffer(&tmpMinor, exportedName);
477 krb5_free_unparsed_name(krbContext, krbName);
483 gssEapDuplicateName(OM_uint32 *minor,
484 const gss_name_t input_name,
485 gss_name_t *dest_name)
487 OM_uint32 major, tmpMinor;
488 krb5_context krbContext;
491 if (input_name == GSS_C_NO_NAME) {
493 return GSS_S_CALL_INACCESSIBLE_READ | GSS_S_BAD_NAME;
496 GSSEAP_KRB_INIT(&krbContext);
498 major = gssEapAllocName(minor, &name);
499 if (GSS_ERROR(major)) {
503 *minor = krb5_copy_principal(krbContext, input_name->krbPrincipal,
504 &name->krbPrincipal);
506 major = GSS_S_FAILURE;
510 if (input_name->attrCtx != NULL) {
511 major = gssEapDuplicateAttrContext(minor, input_name, name);
512 if (GSS_ERROR(major))
519 if (GSS_ERROR(major)) {
520 gssEapReleaseName(&tmpMinor, &name);
527 gssEapDisplayName(OM_uint32 *minor,
529 gss_buffer_t output_name_buffer,
530 gss_OID *output_name_type)
533 krb5_context krbContext;
536 GSSEAP_KRB_INIT(&krbContext);
538 output_name_buffer->length = 0;
539 output_name_buffer->value = NULL;
541 if (name == GSS_C_NO_NAME) {
543 return GSS_S_CALL_INACCESSIBLE_READ | GSS_S_BAD_NAME;
546 *minor = krb5_unparse_name(krbContext, name->krbPrincipal, &krbName);
548 return GSS_S_FAILURE;
551 major = makeStringBuffer(minor, krbName, output_name_buffer);
552 if (GSS_ERROR(major)) {
553 krb5_free_unparsed_name(krbContext, krbName);
557 krb5_free_unparsed_name(krbContext, krbName);
559 if (output_name_type != NULL)
560 *output_name_type = GSS_EAP_NT_PRINCIPAL_NAME;
562 return GSS_S_COMPLETE;