2 * Copyright (c) 2011, JANET(UK)
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
16 * 3. Neither the name of JANET(UK) nor the names of its contributors
17 * may be used to endorse or promote products derived from this software
18 * without specific prior written permission.
20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
21 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 * Portions Copyright 2003-2010 Massachusetts Institute of Technology.
34 * All Rights Reserved.
36 * Export of this software from the United States of America may
37 * require a specific license from the United States Government.
38 * It is the responsibility of any person or organization contemplating
39 * export to obtain such a license before exporting.
41 * WITHIN THAT CONSTRAINT, permission to use, copy, modify, and
42 * distribute this software and its documentation for any purpose and
43 * without fee is hereby granted, provided that the above copyright
44 * notice appear in all copies and that both that copyright notice and
45 * this permission notice appear in supporting documentation, and that
46 * the name of M.I.T. not be used in advertising or publicity pertaining
47 * to distribution of the software without specific, written prior
48 * permission. Furthermore if you modify this software you must label
49 * your software as modified software and not distribute it in such a
50 * fashion that it might be confused with the original M.I.T. software.
51 * M.I.T. makes no representations about the suitability of
52 * this software for any purpose. It is provided "as is" without express
53 * or implied warranty.
64 #ifdef HAVE_SYS_PARAM_H
65 #include <sys/param.h>
77 # define inline __inline
79 #define snprintf _snprintf
87 #define MIN(_a,_b) ((_a)<(_b)?(_a):(_b))
90 #if !defined(WIN32) && !(defined(__cplusplus)) || (__GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 4))
91 #define GSSEAP_UNUSED __attribute__ ((__unused__))
98 makeStringBuffer(OM_uint32 *minor,
100 gss_buffer_t buffer);
102 #define makeStringBufferOrCleanup(src, dst) \
104 major = makeStringBuffer((minor), (src), (dst));\
105 if (GSS_ERROR(major)) \
110 bufferToString(OM_uint32 *minor,
111 const gss_buffer_t buffer,
115 duplicateBuffer(OM_uint32 *minor,
116 const gss_buffer_t src,
119 #define duplicateBufferOrCleanup(src, dst) \
121 major = duplicateBuffer((minor), (src), (dst)); \
122 if (GSS_ERROR(major)) \
127 bufferEqual(const gss_buffer_t b1, const gss_buffer_t b2)
129 return (b1->length == b2->length &&
130 memcmp(b1->value, b2->value, b2->length) == 0);
134 bufferEqualString(const gss_buffer_t b1, const char *s)
138 b2.length = strlen(s);
139 b2.value = (char *)s;
141 return bufferEqual(b1, &b2);
146 gssEapSign(krb5_context context,
149 #ifdef HAVE_HEIMDAL_VERSION
154 krb5_keyusage sign_usage,
155 gss_iov_buffer_desc *iov,
159 gssEapVerify(krb5_context context,
162 #ifdef HAVE_HEIMDAL_VERSION
167 krb5_keyusage sign_usage,
168 gss_iov_buffer_desc *iov,
174 gssEapEncodeGssChannelBindings(OM_uint32 *minor,
175 gss_channel_bindings_t chanBindings,
176 gss_buffer_t encodedBindings);
180 #define EAP_EXPORT_CONTEXT_V1 1
182 enum gss_eap_token_type {
183 TOK_TYPE_NONE = 0x0000, /* no token */
184 TOK_TYPE_MIC = 0x0404, /* RFC 4121 MIC token */
185 TOK_TYPE_WRAP = 0x0504, /* RFC 4121 wrap token */
186 TOK_TYPE_EXPORT_NAME = 0x0401, /* RFC 2743 exported name */
187 TOK_TYPE_EXPORT_NAME_COMPOSITE = 0x0402, /* exported composite name */
188 TOK_TYPE_DELETE_CONTEXT = 0x0405, /* RFC 2743 delete context */
189 TOK_TYPE_INITIATOR_CONTEXT = 0x0601, /* initiator-sent context token */
190 TOK_TYPE_ACCEPTOR_CONTEXT = 0x0602, /* acceptor-sent context token */
193 /* inner token types and flags */
194 #define ITOK_TYPE_NONE 0x00000000
195 #define ITOK_TYPE_CONTEXT_ERR 0x00000001 /* critical */
196 #define ITOK_TYPE_ACCEPTOR_NAME_REQ 0x00000002 /* TBD */
197 #define ITOK_TYPE_ACCEPTOR_NAME_RESP 0x00000003 /* TBD */
198 #define ITOK_TYPE_EAP_RESP 0x00000004 /* critical, required, if not reauth */
199 #define ITOK_TYPE_EAP_REQ 0x00000005 /* critical, required, if not reauth */
200 #define ITOK_TYPE_GSS_CHANNEL_BINDINGS 0x00000006 /* critical, required, if not reauth */
201 #define ITOK_TYPE_REAUTH_CREDS 0x00000007 /* optional */
202 #define ITOK_TYPE_REAUTH_REQ 0x00000008 /* optional */
203 #define ITOK_TYPE_REAUTH_RESP 0x00000009 /* optional */
204 #define ITOK_TYPE_VERSION_INFO 0x0000000A /* optional */
205 #define ITOK_TYPE_VENDOR_INFO 0x0000000B /* optional */
206 #define ITOK_TYPE_GSS_FLAGS 0x0000000C /* optional */
207 #define ITOK_TYPE_INITIATOR_MIC 0x0000000D /* critical, required, if not reauth */
208 #define ITOK_TYPE_ACCEPTOR_MIC 0x0000000E /* TBD */
210 #define ITOK_FLAG_CRITICAL 0x80000000 /* critical, wire flag */
211 #define ITOK_FLAG_VERIFIED 0x40000000 /* verified, API flag */
213 #define ITOK_TYPE_MASK (~(ITOK_FLAG_CRITICAL | ITOK_FLAG_VERIFIED))
215 #define GSSEAP_WIRE_FLAGS_MASK ( GSS_C_MUTUAL_FLAG | \
217 GSS_C_IDENTIFY_FLAG | \
218 GSS_C_EXTENDED_ERROR_FLAG )
220 OM_uint32 gssEapAllocContext(OM_uint32 *minor, gss_ctx_id_t *pCtx);
221 OM_uint32 gssEapReleaseContext(OM_uint32 *minor, gss_ctx_id_t *pCtx);
224 gssEapMakeToken(OM_uint32 *minor,
226 const gss_buffer_t innerToken,
227 enum gss_eap_token_type tokenType,
228 gss_buffer_t outputToken);
231 gssEapVerifyToken(OM_uint32 *minor,
233 const gss_buffer_t inputToken,
234 enum gss_eap_token_type *tokenType,
235 gss_buffer_t innerInputToken);
238 gssEapContextTime(OM_uint32 *minor,
239 gss_ctx_id_t context_handle,
240 OM_uint32 *time_rec);
243 gssEapMakeTokenMIC(OM_uint32 *minor,
245 gss_buffer_t tokenMIC);
248 gssEapVerifyTokenMIC(OM_uint32 *minor,
250 const gss_buffer_t tokenMIC);
253 OM_uint32 gssEapAllocCred(OM_uint32 *minor, gss_cred_id_t *pCred);
254 OM_uint32 gssEapReleaseCred(OM_uint32 *minor, gss_cred_id_t *pCred);
257 gssEapPrimaryMechForCred(gss_cred_id_t cred);
260 gssEapAcquireCred(OM_uint32 *minor,
261 const gss_name_t desiredName,
263 const gss_OID_set desiredMechs,
265 gss_cred_id_t *pCred,
266 gss_OID_set *pActualMechs,
270 gssEapSetCredPassword(OM_uint32 *minor,
272 const gss_buffer_t password);
275 gssEapSetCredClientCertificate(OM_uint32 *minor,
277 const gss_buffer_t clientCert,
278 const gss_buffer_t privateKey);
281 gssEapSetCredService(OM_uint32 *minor,
283 const gss_name_t target);
286 gssEapResolveInitiatorCred(OM_uint32 *minor,
287 const gss_cred_id_t cred,
288 const gss_name_t target,
289 gss_cred_id_t *resolvedCred);
291 int gssEapCredAvailable(gss_cred_id_t cred, gss_OID mech);
294 gssEapInquireCred(OM_uint32 *minor,
297 OM_uint32 *pLifetime,
298 gss_cred_usage_t *cred_usage,
299 gss_OID_set *mechanisms);
303 gssEapEncrypt(krb5_context context, int dce_style, size_t ec,
305 #ifdef HAVE_HEIMDAL_VERSION
311 gss_iov_buffer_desc *iov, int iov_count);
314 gssEapDecrypt(krb5_context context, int dce_style, size_t ec,
316 #ifdef HAVE_HEIMDAL_VERSION
322 gss_iov_buffer_desc *iov, int iov_count);
325 gssEapMapCryptoFlag(OM_uint32 type);
328 gssEapLocateIov(gss_iov_buffer_desc *iov,
333 gssEapIovMessageLength(gss_iov_buffer_desc *iov,
336 size_t *assoc_data_length);
339 gssEapReleaseIov(gss_iov_buffer_desc *iov, int iov_count);
342 gssEapIsIntegrityOnly(gss_iov_buffer_desc *iov, int iov_count);
345 gssEapAllocIov(gss_iov_buffer_t iov, size_t size);
348 gssEapDeriveRfc3961Key(OM_uint32 *minor,
349 const unsigned char *key,
351 krb5_enctype enctype,
352 krb5_keyblock *pKey);
358 * If your Kerberos library uses a different allocator to your
359 * GSS mechanism glue, then you might wish to define these in
360 * config.h or elsewhere. This should eventually go away when
361 * we no longer need to allocate memory that is freed by the
364 #define KRB_CALLOC calloc
365 #define KRB_MALLOC malloc
366 #define KRB_FREE free
367 #define KRB_REALLOC realloc
368 #endif /* KRB_MALLOC */
370 #ifdef HAVE_HEIMDAL_VERSION
372 #define KRB_TIME_FOREVER ((time_t)~0L)
374 #define KRB_KEY_TYPE(key) ((key)->keytype)
375 #define KRB_KEY_DATA(key) ((key)->keyvalue.data)
376 #define KRB_KEY_LENGTH(key) ((key)->keyvalue.length)
378 #define KRB_PRINC_LENGTH(princ) ((princ)->name.name_string.len)
379 #define KRB_PRINC_TYPE(princ) ((princ)->name.name_type)
380 #define KRB_PRINC_NAME(princ) ((princ)->name.name_string.val)
381 #define KRB_PRINC_REALM(princ) ((princ)->realm)
383 #define KRB_KT_ENT_KEYBLOCK(e) (&(e)->keyblock)
384 #define KRB_KT_ENT_FREE(c, e) krb5_kt_free_entry((c), (e))
386 #define KRB_CRYPTO_CONTEXT(ctx) (krbCrypto)
388 #define KRB_DATA_INIT(d) krb5_data_zero((d))
390 #define KRB_CHECKSUM_TYPE(c) ((c)->cksumtype)
391 #define KRB_CHECKSUM_LENGTH(c) ((c)->checksum.length)
392 #define KRB_CHECKSUM_DATA(c) ((c)->checksum.data)
394 #define KRB_CHECKSUM_INIT(cksum, type, d) do { \
395 (cksum)->cksumtype = (type); \
396 (cksum)->checksum.length = (d)->length; \
397 (cksum)->checksum.data = (d)->value; \
402 #define KRB_TIME_FOREVER KRB5_INT32_MAX
404 #define KRB_KEY_TYPE(key) ((key)->enctype)
405 #define KRB_KEY_DATA(key) ((key)->contents)
406 #define KRB_KEY_LENGTH(key) ((key)->length)
408 #define KRB_PRINC_LENGTH(princ) (krb5_princ_size(NULL, (princ)))
409 #define KRB_PRINC_TYPE(princ) (krb5_princ_type(NULL, (princ)))
410 #define KRB_PRINC_NAME(princ) (krb5_princ_name(NULL, (princ)))
411 #define KRB_PRINC_REALM(princ) (krb5_princ_realm(NULL, (princ)))
412 #define KRB_PRINC_COMPONENT(princ, component) \
413 (krb5_princ_component(NULL, (princ), (component)))
415 #define KRB_KT_ENT_KEYBLOCK(e) (&(e)->key)
416 #define KRB_KT_ENT_FREE(c, e) krb5_free_keytab_entry_contents((c), (e))
418 #define KRB_CRYPTO_CONTEXT(ctx) (&(ctx)->rfc3961Key)
420 #define KRB_DATA_INIT(d) do { \
421 (d)->magic = KV5M_DATA; \
426 #define KRB_CHECKSUM_TYPE(c) ((c)->checksum_type)
427 #define KRB_CHECKSUM_LENGTH(c) ((c)->length)
428 #define KRB_CHECKSUM_DATA(c) ((c)->contents)
430 #define KRB_CHECKSUM_INIT(cksum, type, d) do { \
431 (cksum)->checksum_type = (type); \
432 (cksum)->length = (d)->length; \
433 (cksum)->contents = (d)->value; \
436 #endif /* HAVE_HEIMDAL_VERSION */
438 #define KRB_KEY_INIT(key) do { \
439 KRB_KEY_TYPE(key) = ENCTYPE_NULL; \
440 KRB_KEY_DATA(key) = NULL; \
441 KRB_KEY_LENGTH(key) = 0; \
444 #define GSSEAP_KRB_INIT(ctx) do { \
445 OM_uint32 tmpMajor; \
447 tmpMajor = gssEapKerberosInit(minor, ctx); \
448 if (GSS_ERROR(tmpMajor)) { \
454 gssEapKerberosInit(OM_uint32 *minor, krb5_context *context);
457 rfc3961ChecksumTypeForKey(OM_uint32 *minor,
459 krb5_cksumtype *cksumtype);
462 krbCryptoLength(krb5_context krbContext,
463 #ifdef HAVE_HEIMDAL_VERSION
464 krb5_crypto krbCrypto,
472 krbPaddingLength(krb5_context krbContext,
473 #ifdef HAVE_HEIMDAL_VERSION
474 krb5_crypto krbCrypto,
482 krbBlockSize(krb5_context krbContext,
483 #ifdef HAVE_HEIMDAL_VERSION
484 krb5_crypto krbCrypto,
491 krbEnctypeToString(krb5_context krbContext,
492 krb5_enctype enctype,
494 gss_buffer_t string);
497 krbMakeAuthDataKdcIssued(krb5_context context,
498 const krb5_keyblock *key,
499 krb5_const_principal issuer,
500 #ifdef HAVE_HEIMDAL_VERSION
501 const AuthorizationData *authdata,
502 AuthorizationData *adKdcIssued
504 krb5_authdata *const *authdata,
505 krb5_authdata ***adKdcIssued
510 krbMakeCred(krb5_context context,
511 krb5_auth_context authcontext,
517 gssEapExportLucidSecContext(OM_uint32 *minor,
519 const gss_OID desiredObject,
520 gss_buffer_set_t *data_set);
523 extern gss_OID GSS_EAP_MECHANISM;
525 #define OID_FLAG_NULL_VALID 0x00000001
526 #define OID_FLAG_FAMILY_MECH_VALID 0x00000002
527 #define OID_FLAG_MAP_NULL_TO_DEFAULT_MECH 0x00000004
528 #define OID_FLAG_MAP_FAMILY_MECH_TO_NULL 0x00000008
531 gssEapCanonicalizeOid(OM_uint32 *minor,
537 gssEapReleaseOid(OM_uint32 *minor, gss_OID *oid);
540 gssEapDefaultMech(OM_uint32 *minor,
544 gssEapIndicateMechs(OM_uint32 *minor,
548 gssEapEnctypeToOid(OM_uint32 *minor,
549 krb5_enctype enctype,
553 gssEapOidToEnctype(OM_uint32 *minor,
555 krb5_enctype *enctype);
558 gssEapIsMechanismOid(const gss_OID oid);
561 gssEapIsConcreteMechanismOid(const gss_OID oid);
564 gssEapValidateMechs(OM_uint32 *minor,
565 const gss_OID_set mechs);
568 gssEapOidToSaslName(const gss_OID oid);
571 gssEapSaslNameToOid(const gss_buffer_t name);
573 /* util_moonshot.c */
575 libMoonshotResolveDefaultIdentity(OM_uint32 *minor,
576 const gss_cred_id_t cred,
580 libMoonshotResolveInitiatorCred(OM_uint32 *minor,
582 const gss_name_t targetName);
585 #define EXPORT_NAME_FLAG_OID 0x1
586 #define EXPORT_NAME_FLAG_COMPOSITE 0x2
587 #define EXPORT_NAME_FLAG_ALLOW_COMPOSITE 0x4
589 OM_uint32 gssEapAllocName(OM_uint32 *minor, gss_name_t *pName);
590 OM_uint32 gssEapReleaseName(OM_uint32 *minor, gss_name_t *pName);
591 OM_uint32 gssEapExportName(OM_uint32 *minor,
592 const gss_name_t name,
593 gss_buffer_t exportedName);
594 OM_uint32 gssEapExportNameInternal(OM_uint32 *minor,
595 const gss_name_t name,
596 gss_buffer_t exportedName,
598 OM_uint32 gssEapImportName(OM_uint32 *minor,
599 const gss_buffer_t input_name_buffer,
600 const gss_OID input_name_type,
601 const gss_OID input_mech_type,
602 gss_name_t *output_name);
603 OM_uint32 gssEapImportNameInternal(OM_uint32 *minor,
604 const gss_buffer_t input_name_buffer,
605 gss_name_t *output_name,
608 gssEapDuplicateName(OM_uint32 *minor,
609 const gss_name_t input_name,
610 gss_name_t *dest_name);
613 gssEapCanonicalizeName(OM_uint32 *minor,
614 const gss_name_t input_name,
615 const gss_OID mech_type,
616 gss_name_t *dest_name);
619 gssEapDisplayName(OM_uint32 *minor,
621 gss_buffer_t output_name_buffer,
622 gss_OID *output_name_type);
624 #define COMPARE_NAME_FLAG_IGNORE_EMPTY_REALMS 0x1
627 gssEapCompareName(OM_uint32 *minor,
635 composeOid(OM_uint32 *minor_status,
642 decomposeOid(OM_uint32 *minor_status,
649 duplicateOid(OM_uint32 *minor_status,
650 const gss_OID_desc * const oid,
654 duplicateOidSet(OM_uint32 *minor,
655 const gss_OID_set src,
659 oidEqual(const gss_OID_desc *o1, const gss_OID_desc *o2)
661 if (o1 == GSS_C_NO_OID)
662 return (o2 == GSS_C_NO_OID);
663 else if (o2 == GSS_C_NO_OID)
664 return (o1 == GSS_C_NO_OID);
666 return (o1->length == o2->length &&
667 memcmp(o1->elements, o2->elements, o1->length) == 0);
670 /* util_ordering.c */
672 sequenceInternalize(OM_uint32 *minor,
678 sequenceExternalize(OM_uint32 *minor,
684 sequenceSize(void *vqueue);
687 sequenceFree(OM_uint32 *minor, void **vqueue);
690 sequenceCheck(OM_uint32 *minor, void **vqueue, uint64_t seqnum);
693 sequenceInit(OM_uint32 *minor, void **vqueue, uint64_t seqnum,
694 int do_replay, int do_sequence, int wide_nums);
698 GSSEAP_STATE_INITIAL = 0x01, /* initial state */
699 GSSEAP_STATE_AUTHENTICATE = 0x02, /* exchange EAP messages */
700 GSSEAP_STATE_INITIATOR_EXTS = 0x04, /* initiator extensions */
701 GSSEAP_STATE_ACCEPTOR_EXTS = 0x08, /* acceptor extensions */
702 #ifdef GSSEAP_ENABLE_REAUTH
703 GSSEAP_STATE_REAUTHENTICATE = 0x10, /* GSS reauthentication messages */
705 GSSEAP_STATE_ESTABLISHED = 0x20, /* context established */
706 GSSEAP_STATE_ALL = 0x3F
709 #define GSSEAP_STATE_NEXT(s) ((s) << 1)
711 #define GSSEAP_SM_STATE(ctx) ((ctx)->state)
714 void gssEapSmTransition(gss_ctx_id_t ctx, enum gss_eap_state state);
715 #define GSSEAP_SM_TRANSITION(ctx, state) gssEapSmTransition((ctx), (state))
717 #define GSSEAP_SM_TRANSITION(ctx, newstate) do { (ctx)->state = (newstate); } while (0)
720 #define GSSEAP_SM_TRANSITION_NEXT(ctx) GSSEAP_SM_TRANSITION((ctx), GSSEAP_STATE_NEXT(GSSEAP_SM_STATE((ctx))))
722 /* state machine entry */
724 OM_uint32 inputTokenType;
725 OM_uint32 outputTokenType;
726 enum gss_eap_state validStates;
728 OM_uint32 (*processToken)(OM_uint32 *,
735 gss_channel_bindings_t,
741 /* state machine flags, set by handler */
742 #define SM_FLAG_FORCE_SEND_TOKEN 0x00000001 /* send token even if no inner tokens */
743 #define SM_FLAG_OUTPUT_TOKEN_CRITICAL 0x00000002 /* output token is critical */
745 /* state machine flags, set by state machine */
746 #define SM_FLAG_INPUT_TOKEN_CRITICAL 0x10000000 /* input token was critical */
748 #define SM_ITOK_FLAG_REQUIRED 0x00000001 /* received tokens must be present */
751 gssEapSmStep(OM_uint32 *minor,
758 gss_channel_bindings_t chanBindings,
759 gss_buffer_t inputToken,
760 gss_buffer_t outputToken,
761 struct gss_eap_sm *sm,
765 gssEapSmTransition(gss_ctx_id_t ctx, enum gss_eap_state state);
768 struct gss_eap_token_buffer_set {
769 gss_buffer_set_desc buffers; /* pointers only */
774 gssEapEncodeInnerTokens(OM_uint32 *minor,
775 struct gss_eap_token_buffer_set *tokens,
776 gss_buffer_t buffer);
778 gssEapDecodeInnerTokens(OM_uint32 *minor,
779 const gss_buffer_t buffer,
780 struct gss_eap_token_buffer_set *tokens);
783 gssEapReleaseInnerTokens(OM_uint32 *minor,
784 struct gss_eap_token_buffer_set *tokens,
788 gssEapAllocInnerTokens(OM_uint32 *minor,
790 struct gss_eap_token_buffer_set *tokens);
793 tokenSize(const gss_OID_desc *mech, size_t body_size);
796 makeTokenHeader(const gss_OID_desc *mech,
799 enum gss_eap_token_type tok_type);
802 verifyTokenHeader(OM_uint32 *minor,
805 unsigned char **buf_in,
807 enum gss_eap_token_type *ret_tok_type);
810 #ifndef GSSEAP_MALLOC
812 #include <gssapi/gssapi_alloc.h>
813 #define GSSEAP_MALLOC gssalloc_malloc
814 #define GSSEAP_CALLOC gssalloc_calloc
815 #define GSSEAP_FREE gssalloc_free
816 #define GSSEAP_REALLOC gssalloc_realloc
818 #define GSSEAP_CALLOC calloc
819 #define GSSEAP_MALLOC malloc
820 #define GSSEAP_FREE free
821 #define GSSEAP_REALLOC realloc
823 #endif /* !GSSEAP_MALLOC */
825 #ifndef GSSAPI_CALLCONV
826 #define GSSAPI_CALLCONV KRB5_CALLCONV
829 #ifndef GSSEAP_ASSERT
831 #define GSSEAP_ASSERT(x) assert((x))
832 #endif /* !GSSEAP_ASSERT */
835 #define GSSEAP_CONSTRUCTOR
836 #define GSSEAP_DESTRUCTOR
838 #define GSSEAP_CONSTRUCTOR __attribute__((constructor))
839 #define GSSEAP_DESTRUCTOR __attribute__((destructor))
842 #define GSSEAP_NOT_IMPLEMENTED do { \
843 GSSEAP_ASSERT(0 && "not implemented"); \
845 return GSS_S_FAILURE; \
852 #define GSSEAP_GET_LAST_ERROR() (GetLastError()) /* XXX FIXME */
854 #define GSSEAP_MUTEX CRITICAL_SECTION
855 #define GSSEAP_MUTEX_INIT(m) (InitializeCriticalSection((m)), 0)
856 #define GSSEAP_MUTEX_DESTROY(m) DeleteCriticalSection((m))
857 #define GSSEAP_MUTEX_LOCK(m) EnterCriticalSection((m))
858 #define GSSEAP_MUTEX_UNLOCK(m) LeaveCriticalSection((m))
859 #define GSSEAP_ONCE_LEAVE do { return TRUE; } while (0)
861 /* Thread-local is handled separately */
863 #define GSSEAP_THREAD_ONCE INIT_ONCE
864 #define GSSEAP_ONCE_CALLBACK(cb) BOOL CALLBACK cb(PINIT_ONCE InitOnce, PVOID Parameter, PVOID *Context)
865 #define GSSEAP_ONCE(o, i) InitOnceExecuteOnce((o), (i), NULL, NULL)
866 #define GSSEAP_ONCE_INITIALIZER INIT_ONCE_STATIC_INIT
872 #define GSSEAP_GET_LAST_ERROR() (errno)
874 #define GSSEAP_MUTEX pthread_mutex_t
875 #define GSSEAP_MUTEX_INIT(m) pthread_mutex_init((m), NULL)
876 #define GSSEAP_MUTEX_DESTROY(m) pthread_mutex_destroy((m))
877 #define GSSEAP_MUTEX_LOCK(m) pthread_mutex_lock((m))
878 #define GSSEAP_MUTEX_UNLOCK(m) pthread_mutex_unlock((m))
880 #define GSSEAP_THREAD_KEY pthread_key_t
881 #define GSSEAP_KEY_CREATE(k, d) pthread_key_create((k), (d))
882 #define GSSEAP_GETSPECIFIC(k) pthread_getspecific((k))
883 #define GSSEAP_SETSPECIFIC(k, d) pthread_setspecific((k), (d))
885 #define GSSEAP_THREAD_ONCE pthread_once_t
886 #define GSSEAP_ONCE_CALLBACK(cb) void cb(void)
887 #define GSSEAP_ONCE(o, i) pthread_once((o), (i))
888 #define GSSEAP_ONCE_INITIALIZER PTHREAD_ONCE_INIT
889 #define GSSEAP_ONCE_LEAVE do { } while (0)
893 /* Helper functions */
895 store_uint16_be(uint16_t val, void *vp)
897 unsigned char *p = (unsigned char *)vp;
899 p[0] = (val >> 8) & 0xff;
900 p[1] = (val ) & 0xff;
903 static inline uint16_t
904 load_uint16_be(const void *cvp)
906 const unsigned char *p = (const unsigned char *)cvp;
908 return (p[1] | (p[0] << 8));
912 store_uint32_be(uint32_t val, void *vp)
914 unsigned char *p = (unsigned char *)vp;
916 p[0] = (val >> 24) & 0xff;
917 p[1] = (val >> 16) & 0xff;
918 p[2] = (val >> 8) & 0xff;
919 p[3] = (val ) & 0xff;
922 static inline uint32_t
923 load_uint32_be(const void *cvp)
925 const unsigned char *p = (const unsigned char *)cvp;
927 return (p[3] | (p[2] << 8)
928 | ((uint32_t) p[1] << 16)
929 | ((uint32_t) p[0] << 24));
933 store_uint64_be(uint64_t val, void *vp)
935 unsigned char *p = (unsigned char *)vp;
937 p[0] = (unsigned char)((val >> 56) & 0xff);
938 p[1] = (unsigned char)((val >> 48) & 0xff);
939 p[2] = (unsigned char)((val >> 40) & 0xff);
940 p[3] = (unsigned char)((val >> 32) & 0xff);
941 p[4] = (unsigned char)((val >> 24) & 0xff);
942 p[5] = (unsigned char)((val >> 16) & 0xff);
943 p[6] = (unsigned char)((val >> 8) & 0xff);
944 p[7] = (unsigned char)((val ) & 0xff);
947 static inline uint64_t
948 load_uint64_be(const void *cvp)
950 const unsigned char *p = (const unsigned char *)cvp;
952 return ((uint64_t)load_uint32_be(p) << 32) | load_uint32_be(p + 4);
955 static inline unsigned char *
956 store_buffer(gss_buffer_t buffer, void *vp, int wide_nums)
958 unsigned char *p = (unsigned char *)vp;
961 store_uint64_be(buffer->length, p);
964 store_uint32_be(buffer->length, p);
968 if (buffer->value != NULL) {
969 memcpy(p, buffer->value, buffer->length);
976 static inline unsigned char *
977 load_buffer(const void *cvp, size_t length, gss_buffer_t buffer)
980 buffer->value = GSSEAP_MALLOC(length);
981 if (buffer->value == NULL)
983 buffer->length = length;
984 memcpy(buffer->value, cvp, length);
985 return (unsigned char *)cvp + length;
988 static inline unsigned char *
989 store_oid(gss_OID oid, void *vp)
993 if (oid != GSS_C_NO_OID) {
994 buf.length = oid->length;
995 buf.value = oid->elements;
1001 return store_buffer(&buf, vp, FALSE);
1005 krbDataToGssBuffer(krb5_data *data, gss_buffer_t buffer)
1007 buffer->value = (void *)data->data;
1008 buffer->length = data->length;
1012 krbPrincComponentToGssBuffer(krb5_principal krbPrinc,
1013 int index, gss_buffer_t buffer)
1015 if (KRB_PRINC_LENGTH(krbPrinc) <= index) {
1016 buffer->value = NULL;
1019 #ifdef HAVE_HEIMDAL_VERSION
1020 buffer->value = (void *)KRB_PRINC_NAME(krbPrinc)[index];
1021 buffer->length = strlen((char *)buffer->value);
1023 buffer->value = (void *)krb5_princ_component(NULL, krbPrinc, index)->data;
1024 buffer->length = krb5_princ_component(NULL, krbPrinc, index)->length;
1025 #endif /* HAVE_HEIMDAL_VERSION */
1029 static inline krb5_error_code
1030 krbPrincUnparseServiceSpecifics(krb5_context krbContext, krb5_principal krbPrinc,
1031 gss_buffer_t nameBuf)
1033 krb5_error_code result = 0;
1034 if (KRB_PRINC_LENGTH(krbPrinc) > 2) {
1035 /* Acceptor-Service-Specific */
1036 krb5_principal_data ssiPrinc = *krbPrinc;
1039 KRB_PRINC_LENGTH(&ssiPrinc) -= 2;
1040 KRB_PRINC_NAME(&ssiPrinc) += 2;
1042 result = krb5_unparse_name_flags(krbContext, &ssiPrinc,
1043 KRB5_PRINCIPAL_UNPARSE_NO_REALM, &ssi);
1047 nameBuf->value = ssi;
1048 nameBuf->length = strlen(ssi);
1050 nameBuf->value = NULL;
1051 nameBuf->length = 0;
1058 krbFreeUnparsedName(krb5_context krbContext, gss_buffer_t nameBuf)
1060 #ifdef HAVE_HEIMDAL_VERSION
1061 krb5_xfree((char *) nameBuf->value);
1063 krb5_free_unparsed_name(krbContext, (char *)(nameBuf->value));
1065 nameBuf->value = NULL;
1066 nameBuf->length = 0;
1070 krbPrincRealmToGssBuffer(krb5_principal krbPrinc, gss_buffer_t buffer)
1072 #ifdef HAVE_HEIMDAL_VERSION
1073 buffer->value = (void *)KRB_PRINC_REALM(krbPrinc);
1074 buffer->length = strlen((char *)buffer->value);
1076 krbDataToGssBuffer(KRB_PRINC_REALM(krbPrinc), buffer);
1081 gssBufferToKrbData(gss_buffer_t buffer, krb5_data *data)
1083 data->data = (char *)buffer->value;
1084 data->length = buffer->length;
1088 struct gss_eap_status_info;
1090 struct gss_eap_thread_local_data {
1091 krb5_context krbContext;
1092 struct gss_eap_status_info *statusInfo;
1095 struct gss_eap_thread_local_data *
1096 gssEapGetThreadLocalData(void);
1099 gssEapDestroyStatusInfo(struct gss_eap_status_info *status);
1102 gssEapDestroyKrbContext(krb5_context context);
1108 #ifdef GSSEAP_ENABLE_ACCEPTOR
1109 #include "util_json.h"
1110 #include "util_attr.h"
1111 #include "util_base64.h"
1112 #endif /* GSSEAP_ENABLE_ACCEPTOR */
1113 #ifdef GSSEAP_ENABLE_REAUTH
1114 #include "util_reauth.h"
1117 #endif /* _UTIL_H_ */