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>
74 #include "gssapi_headerfix.h"
78 # define inline __inline
80 #define snprintf _snprintf
88 #define MIN(_a,_b) ((_a)<(_b)?(_a):(_b))
91 #if !defined(WIN32) && !(defined(__cplusplus)) || (__GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 4))
92 #define GSSEAP_UNUSED __attribute__ ((__unused__))
99 makeStringBuffer(OM_uint32 *minor,
101 gss_buffer_t buffer);
103 #define makeStringBufferOrCleanup(src, dst) \
105 major = makeStringBuffer((minor), (src), (dst));\
106 if (GSS_ERROR(major)) \
111 bufferToString(OM_uint32 *minor,
112 const gss_buffer_t buffer,
116 duplicateBuffer(OM_uint32 *minor,
117 const gss_buffer_t src,
120 #define duplicateBufferOrCleanup(src, dst) \
122 major = duplicateBuffer((minor), (src), (dst)); \
123 if (GSS_ERROR(major)) \
128 bufferEqual(const gss_buffer_t b1, const gss_buffer_t b2)
130 return (b1->length == b2->length &&
131 memcmp(b1->value, b2->value, b2->length) == 0);
135 bufferEqualString(const gss_buffer_t b1, const char *s)
139 b2.length = strlen(s);
140 b2.value = (char *)s;
142 return bufferEqual(b1, &b2);
146 enum gss_eap_token_type {
147 TOK_TYPE_NONE = 0x0000, /* no token */
148 TOK_TYPE_MIC = 0x0404, /* RFC 4121 MIC token */
149 TOK_TYPE_WRAP = 0x0504, /* RFC 4121 wrap token */
150 TOK_TYPE_EXPORT_NAME = 0x0401, /* RFC 2743 exported name */
151 TOK_TYPE_EXPORT_NAME_COMPOSITE = 0x0402, /* exported composite name */
152 TOK_TYPE_DELETE_CONTEXT = 0x0405, /* RFC 2743 delete context */
153 TOK_TYPE_INITIATOR_CONTEXT = 0x0601, /* initiator-sent context token */
154 TOK_TYPE_ACCEPTOR_CONTEXT = 0x0602, /* acceptor-sent context token */
158 gssEapSign(krb5_context context,
161 #ifdef HAVE_HEIMDAL_VERSION
166 krb5_keyusage sign_usage,
167 gss_iov_buffer_desc *iov,
169 enum gss_eap_token_type toktype);
172 gssEapVerify(krb5_context context,
175 #ifdef HAVE_HEIMDAL_VERSION
180 krb5_keyusage sign_usage,
181 gss_iov_buffer_desc *iov,
183 enum gss_eap_token_type toktype,
188 gssEapEncodeGssChannelBindings(OM_uint32 *minor,
189 gss_channel_bindings_t chanBindings,
190 gss_buffer_t encodedBindings);
194 #define EAP_EXPORT_CONTEXT_V1 1
196 /* inner token types and flags */
197 #define ITOK_TYPE_NONE 0x00000000
198 #define ITOK_TYPE_CONTEXT_ERR 0x00000001 /* critical */
199 #define ITOK_TYPE_ACCEPTOR_NAME_REQ 0x00000002 /* TBD */
200 #define ITOK_TYPE_ACCEPTOR_NAME_RESP 0x00000003 /* TBD */
201 #define ITOK_TYPE_EAP_RESP 0x00000004 /* critical, required, if not reauth */
202 #define ITOK_TYPE_EAP_REQ 0x00000005 /* critical, required, if not reauth */
203 #define ITOK_TYPE_GSS_CHANNEL_BINDINGS 0x00000006 /* critical, required, if not reauth */
204 #define ITOK_TYPE_REAUTH_CREDS 0x00000007 /* optional */
205 #define ITOK_TYPE_REAUTH_REQ 0x00000008 /* optional */
206 #define ITOK_TYPE_REAUTH_RESP 0x00000009 /* optional */
207 #define ITOK_TYPE_VERSION_INFO 0x0000000A /* optional */
208 #define ITOK_TYPE_VENDOR_INFO 0x0000000B /* optional */
209 #define ITOK_TYPE_GSS_FLAGS 0x0000000C /* optional */
210 #define ITOK_TYPE_INITIATOR_MIC 0x0000000D /* critical, required, if not reauth */
211 #define ITOK_TYPE_ACCEPTOR_MIC 0x0000000E /* TBD */
213 #define ITOK_FLAG_CRITICAL 0x80000000 /* critical, wire flag */
214 #define ITOK_FLAG_VERIFIED 0x40000000 /* verified, API flag */
216 #define ITOK_TYPE_MASK (~(ITOK_FLAG_CRITICAL | ITOK_FLAG_VERIFIED))
218 #define GSSEAP_WIRE_FLAGS_MASK ( GSS_C_MUTUAL_FLAG | \
220 GSS_C_IDENTIFY_FLAG | \
221 GSS_C_EXTENDED_ERROR_FLAG )
223 OM_uint32 gssEapAllocContext(OM_uint32 *minor, gss_ctx_id_t *pCtx);
224 OM_uint32 gssEapReleaseContext(OM_uint32 *minor, gss_ctx_id_t *pCtx);
227 gssEapMakeToken(OM_uint32 *minor,
229 const gss_buffer_t innerToken,
230 enum gss_eap_token_type tokenType,
231 gss_buffer_t outputToken);
234 gssEapVerifyToken(OM_uint32 *minor,
236 const gss_buffer_t inputToken,
237 enum gss_eap_token_type *tokenType,
238 gss_buffer_t innerInputToken);
241 gssEapContextTime(OM_uint32 *minor,
242 gss_const_ctx_id_t context_handle,
243 OM_uint32 *time_rec);
246 gssEapMakeTokenMIC(OM_uint32 *minor,
248 gss_buffer_t tokenMIC);
251 gssEapVerifyTokenMIC(OM_uint32 *minor,
253 const gss_buffer_t tokenMIC);
256 OM_uint32 gssEapAllocCred(OM_uint32 *minor, gss_cred_id_t *pCred);
257 OM_uint32 gssEapReleaseCred(OM_uint32 *minor, gss_cred_id_t *pCred);
260 gssEapPrimaryMechForCred(gss_cred_id_t cred);
263 gssEapAcquireCred(OM_uint32 *minor,
264 gss_const_name_t desiredName,
266 const gss_OID_set desiredMechs,
268 gss_cred_id_t *pCred,
269 gss_OID_set *pActualMechs,
273 gssEapSetCredPassword(OM_uint32 *minor,
275 const gss_buffer_t password);
278 gssEapSetCredClientCertificate(OM_uint32 *minor,
280 const gss_buffer_t clientCert,
281 const gss_buffer_t privateKey);
284 gssEapSetCredService(OM_uint32 *minor,
286 gss_const_name_t target);
289 gssEapResolveInitiatorCred(OM_uint32 *minor,
290 const gss_cred_id_t cred,
291 gss_const_name_t target,
292 gss_cred_id_t *resolvedCred);
294 int gssEapCredAvailable(gss_const_cred_id_t cred, gss_OID mech);
297 gssEapInquireCred(OM_uint32 *minor,
300 OM_uint32 *pLifetime,
301 gss_cred_usage_t *cred_usage,
302 gss_OID_set *mechanisms);
306 gssEapEncrypt(krb5_context context, int dce_style, size_t ec,
308 #ifdef HAVE_HEIMDAL_VERSION
314 gss_iov_buffer_desc *iov, int iov_count);
317 gssEapDecrypt(krb5_context context, int dce_style, size_t ec,
319 #ifdef HAVE_HEIMDAL_VERSION
325 gss_iov_buffer_desc *iov, int iov_count);
328 gssEapMapCryptoFlag(OM_uint32 type);
331 gssEapLocateIov(gss_iov_buffer_desc *iov,
336 gssEapLocateHeaderIov(gss_iov_buffer_desc *iov,
338 enum gss_eap_token_type toktype);
341 gssEapIovMessageLength(gss_iov_buffer_desc *iov,
344 size_t *assoc_data_length);
347 gssEapReleaseIov(gss_iov_buffer_desc *iov, int iov_count);
350 gssEapIsIntegrityOnly(gss_iov_buffer_desc *iov, int iov_count);
353 gssEapAllocIov(gss_iov_buffer_t iov, size_t size);
356 gssEapDeriveRfc3961Key(OM_uint32 *minor,
357 const unsigned char *key,
359 krb5_enctype enctype,
360 krb5_keyblock *pKey);
366 * If your Kerberos library uses a different allocator to your
367 * GSS mechanism glue, then you might wish to define these in
368 * config.h or elsewhere. This should eventually go away when
369 * we no longer need to allocate memory that is freed by the
372 #define KRB_CALLOC calloc
373 #define KRB_MALLOC malloc
374 #define KRB_FREE free
375 #define KRB_REALLOC realloc
376 #endif /* KRB_MALLOC */
378 #ifdef HAVE_HEIMDAL_VERSION
382 #define KRB_TIME_FOREVER ((time_t)~0L)
384 #define KRB_KEY_TYPE(key) ((key)->keytype)
385 #define KRB_KEY_DATA(key) ((key)->keyvalue.data)
386 #define KRB_KEY_LENGTH(key) ((key)->keyvalue.length)
388 #define KRB_PRINC_LENGTH(princ) ((princ)->name.name_string.len)
389 #define KRB_PRINC_TYPE(princ) ((princ)->name.name_type)
390 #define KRB_PRINC_NAME(princ) ((princ)->name.name_string.val)
391 #define KRB_PRINC_REALM(princ) ((princ)->realm)
393 #define KRB_KT_ENT_KEYBLOCK(e) (&(e)->keyblock)
394 #define KRB_KT_ENT_FREE(c, e) krb5_kt_free_entry((c), (e))
396 #define KRB_CRYPTO_CONTEXT(ctx) (krbCrypto)
398 #define KRB_DATA_INIT(d) krb5_data_zero((d))
400 #define KRB_CHECKSUM_TYPE(c) ((c)->cksumtype)
401 #define KRB_CHECKSUM_LENGTH(c) ((c)->checksum.length)
402 #define KRB_CHECKSUM_DATA(c) ((c)->checksum.data)
404 #define KRB_CHECKSUM_INIT(cksum, type, d) do { \
405 (cksum)->cksumtype = (type); \
406 (cksum)->checksum.length = (d)->length; \
407 (cksum)->checksum.data = (d)->value; \
410 #define KRB_CHECKSUM_FREE(ctx, cksum) do { \
411 der_free_octet_string(&(cksum)->checksum); \
412 memset((cksum), 0, sizeof(*(cksum))); \
417 #define KRB_TIME_FOREVER KRB5_INT32_MAX
419 #define KRB_KEY_TYPE(key) ((key)->enctype)
420 #define KRB_KEY_DATA(key) ((key)->contents)
421 #define KRB_KEY_LENGTH(key) ((key)->length)
423 #define KRB_PRINC_LENGTH(princ) (krb5_princ_size(NULL, (princ)))
424 #define KRB_PRINC_TYPE(princ) (krb5_princ_type(NULL, (princ)))
425 #define KRB_PRINC_NAME(princ) (krb5_princ_name(NULL, (princ)))
426 #define KRB_PRINC_REALM(princ) (krb5_princ_realm(NULL, (princ)))
427 #define KRB_PRINC_COMPONENT(princ, component) \
428 (krb5_princ_component(NULL, (princ), (component)))
430 #define KRB_KT_ENT_KEYBLOCK(e) (&(e)->key)
431 #define KRB_KT_ENT_FREE(c, e) krb5_free_keytab_entry_contents((c), (e))
433 #define KRB_CRYPTO_CONTEXT(ctx) (&(ctx)->rfc3961Key)
435 #define KRB_DATA_INIT(d) do { \
436 (d)->magic = KV5M_DATA; \
441 #define KRB_CHECKSUM_TYPE(c) ((c)->checksum_type)
442 #define KRB_CHECKSUM_LENGTH(c) ((c)->length)
443 #define KRB_CHECKSUM_DATA(c) ((c)->contents)
445 #define KRB_CHECKSUM_INIT(cksum, type, d) do { \
446 (cksum)->checksum_type = (type); \
447 (cksum)->length = (d)->length; \
448 (cksum)->contents = (d)->value; \
451 #define KRB_CHECKSUM_FREE(ctx, cksum) krb5_free_checksum_contents((ctx), (cksum))
453 #endif /* HAVE_HEIMDAL_VERSION */
455 #define KRB_KEY_INIT(key) do { \
456 KRB_KEY_TYPE(key) = ENCTYPE_NULL; \
457 KRB_KEY_DATA(key) = NULL; \
458 KRB_KEY_LENGTH(key) = 0; \
461 #define GSSEAP_KRB_INIT(ctx) do { \
462 OM_uint32 tmpMajor; \
464 tmpMajor = gssEapKerberosInit(minor, ctx); \
465 if (GSS_ERROR(tmpMajor)) { \
471 gssEapKerberosInit(OM_uint32 *minor, krb5_context *context);
474 rfc3961ChecksumTypeForKey(OM_uint32 *minor,
476 krb5_cksumtype *cksumtype);
479 krbCryptoLength(krb5_context krbContext,
480 #ifdef HAVE_HEIMDAL_VERSION
481 krb5_crypto krbCrypto,
483 const krb5_keyblock *key,
489 krbPaddingLength(krb5_context krbContext,
490 #ifdef HAVE_HEIMDAL_VERSION
491 krb5_crypto krbCrypto,
493 const krb5_keyblock *key,
499 krbBlockSize(krb5_context krbContext,
500 #ifdef HAVE_HEIMDAL_VERSION
501 krb5_crypto krbCrypto,
503 const krb5_keyblock *key,
508 krbEnctypeToString(krb5_context krbContext,
509 krb5_enctype enctype,
511 gss_buffer_t string);
514 krbMakeAuthDataKdcIssued(krb5_context context,
515 const krb5_keyblock *key,
516 krb5_const_principal issuer,
517 #ifdef HAVE_HEIMDAL_VERSION
518 const AuthorizationData *authdata,
519 AuthorizationData *adKdcIssued
521 krb5_authdata *const *authdata,
522 krb5_authdata ***adKdcIssued
527 krbMakeCred(krb5_context context,
528 krb5_auth_context authcontext,
534 gssEapExportLucidSecContext(OM_uint32 *minor,
535 gss_const_ctx_id_t ctx,
536 const gss_OID desiredObject,
537 gss_buffer_set_t *data_set);
540 extern gss_OID GSS_EAP_MECHANISM;
542 #define OID_FLAG_NULL_VALID 0x00000001
543 #define OID_FLAG_FAMILY_MECH_VALID 0x00000002
544 #define OID_FLAG_MAP_NULL_TO_DEFAULT_MECH 0x00000004
545 #define OID_FLAG_MAP_FAMILY_MECH_TO_NULL 0x00000008
548 gssEapCanonicalizeOid(OM_uint32 *minor,
554 gssEapReleaseOid(OM_uint32 *minor, gss_OID *oid);
557 gssEapDefaultMech(OM_uint32 *minor,
561 gssEapIndicateMechs(OM_uint32 *minor,
565 gssEapEnctypeToOid(OM_uint32 *minor,
566 krb5_enctype enctype,
570 gssEapOidToEnctype(OM_uint32 *minor,
572 krb5_enctype *enctype);
575 gssEapIsMechanismOid(const gss_OID oid);
578 gssEapIsConcreteMechanismOid(const gss_OID oid);
581 gssEapValidateMechs(OM_uint32 *minor,
582 const gss_OID_set mechs);
585 gssEapOidToSaslName(const gss_OID oid);
588 gssEapSaslNameToOid(const gss_buffer_t name);
590 /* util_moonshot.c */
592 libMoonshotResolveDefaultIdentity(OM_uint32 *minor,
593 const gss_cred_id_t cred,
597 libMoonshotResolveInitiatorCred(OM_uint32 *minor,
599 gss_const_name_t targetName);
602 #define EXPORT_NAME_FLAG_OID 0x1
603 #define EXPORT_NAME_FLAG_COMPOSITE 0x2
604 #define EXPORT_NAME_FLAG_ALLOW_COMPOSITE 0x4
606 OM_uint32 gssEapAllocName(OM_uint32 *minor, gss_name_t *pName);
607 OM_uint32 gssEapReleaseName(OM_uint32 *minor, gss_name_t *pName);
608 OM_uint32 gssEapExportName(OM_uint32 *minor,
609 gss_const_name_t name,
610 gss_buffer_t exportedName);
611 OM_uint32 gssEapExportNameInternal(OM_uint32 *minor,
612 gss_const_name_t name,
613 gss_buffer_t exportedName,
615 OM_uint32 gssEapImportName(OM_uint32 *minor,
616 const gss_buffer_t input_name_buffer,
617 const gss_OID input_name_type,
618 const gss_OID input_mech_type,
619 gss_name_t *output_name);
620 OM_uint32 gssEapImportNameInternal(OM_uint32 *minor,
621 const gss_buffer_t input_name_buffer,
622 gss_name_t *output_name,
625 gssEapDuplicateName(OM_uint32 *minor,
626 gss_const_name_t input_name,
627 gss_name_t *dest_name);
630 gssEapCanonicalizeName(OM_uint32 *minor,
631 gss_const_name_t input_name,
632 const gss_OID mech_type,
633 gss_name_t *dest_name);
636 gssEapDisplayName(OM_uint32 *minor,
637 gss_const_name_t name,
638 gss_buffer_t output_name_buffer,
639 gss_OID *output_name_type);
641 #define COMPARE_NAME_FLAG_IGNORE_EMPTY_REALMS 0x1
644 gssEapCompareName(OM_uint32 *minor,
645 gss_const_name_t name1,
646 gss_const_name_t name2,
652 composeOid(OM_uint32 *minor_status,
659 decomposeOid(OM_uint32 *minor_status,
666 duplicateOid(OM_uint32 *minor_status,
667 const gss_OID_desc * const oid,
671 duplicateOidSet(OM_uint32 *minor,
672 const gss_OID_set src,
676 oidEqual(const gss_OID_desc *o1, const gss_OID_desc *o2);
678 /* util_ordering.c */
680 sequenceInternalize(OM_uint32 *minor,
686 sequenceExternalize(OM_uint32 *minor,
692 sequenceSize(void *vqueue);
695 sequenceFree(OM_uint32 *minor, void **vqueue);
698 sequenceCheck(OM_uint32 *minor, void **vqueue, uint64_t seqnum);
701 sequenceInit(OM_uint32 *minor, void **vqueue, uint64_t seqnum,
702 int do_replay, int do_sequence, int wide_nums);
706 GSSEAP_STATE_INITIAL = 0x01, /* initial state */
707 GSSEAP_STATE_AUTHENTICATE = 0x02, /* exchange EAP messages */
708 GSSEAP_STATE_INITIATOR_EXTS = 0x04, /* initiator extensions */
709 GSSEAP_STATE_ACCEPTOR_EXTS = 0x08, /* acceptor extensions */
710 #ifdef GSSEAP_ENABLE_REAUTH
711 GSSEAP_STATE_REAUTHENTICATE = 0x10, /* GSS reauthentication messages */
713 GSSEAP_STATE_ESTABLISHED = 0x20, /* context established */
714 GSSEAP_STATE_ALL = 0x3F
717 #define GSSEAP_STATE_NEXT(s) ((s) << 1)
719 #define GSSEAP_SM_STATE(ctx) ((ctx)->state)
722 void gssEapSmTransition(gss_ctx_id_t ctx, enum gss_eap_state state);
723 #define GSSEAP_SM_TRANSITION(ctx, state) gssEapSmTransition((ctx), (state))
725 #define GSSEAP_SM_TRANSITION(ctx, newstate) do { (ctx)->state = (newstate); } while (0)
728 #define GSSEAP_SM_TRANSITION_NEXT(ctx) GSSEAP_SM_TRANSITION((ctx), GSSEAP_STATE_NEXT(GSSEAP_SM_STATE((ctx))))
730 /* state machine entry */
732 OM_uint32 inputTokenType;
733 OM_uint32 outputTokenType;
734 enum gss_eap_state validStates;
736 OM_uint32 (*processToken)(OM_uint32 *,
743 gss_channel_bindings_t,
749 /* state machine flags, set by handler */
750 #define SM_FLAG_FORCE_SEND_TOKEN 0x00000001 /* send token even if no inner tokens */
751 #define SM_FLAG_OUTPUT_TOKEN_CRITICAL 0x00000002 /* output token is critical */
753 /* state machine flags, set by state machine */
754 #define SM_FLAG_INPUT_TOKEN_CRITICAL 0x10000000 /* input token was critical */
756 #define SM_ITOK_FLAG_REQUIRED 0x00000001 /* received tokens must be present */
759 gssEapSmStep(OM_uint32 *minor,
762 gss_const_name_t target,
766 gss_channel_bindings_t chanBindings,
767 gss_buffer_t inputToken,
768 gss_buffer_t outputToken,
769 struct gss_eap_sm *sm,
773 gssEapSmTransition(gss_ctx_id_t ctx, enum gss_eap_state state);
776 struct gss_eap_token_buffer_set {
777 gss_buffer_set_desc buffers; /* pointers only */
782 gssEapEncodeInnerTokens(OM_uint32 *minor,
783 struct gss_eap_token_buffer_set *tokens,
784 gss_buffer_t buffer);
786 gssEapDecodeInnerTokens(OM_uint32 *minor,
787 const gss_buffer_t buffer,
788 struct gss_eap_token_buffer_set *tokens);
791 gssEapReleaseInnerTokens(OM_uint32 *minor,
792 struct gss_eap_token_buffer_set *tokens,
796 gssEapAllocInnerTokens(OM_uint32 *minor,
798 struct gss_eap_token_buffer_set *tokens);
801 tokenSize(const gss_OID_desc *mech, size_t body_size);
804 makeTokenHeader(const gss_OID_desc *mech,
807 enum gss_eap_token_type tok_type);
810 verifyTokenHeader(OM_uint32 *minor,
813 unsigned char **buf_in,
815 enum gss_eap_token_type *ret_tok_type);
818 #ifndef GSSEAP_MALLOC
820 #include <gssapi/gssapi_alloc.h>
821 #define GSSEAP_MALLOC gssalloc_malloc
822 #define GSSEAP_CALLOC gssalloc_calloc
823 #define GSSEAP_FREE gssalloc_free
824 #define GSSEAP_REALLOC gssalloc_realloc
826 #define GSSEAP_CALLOC calloc
827 #define GSSEAP_MALLOC malloc
828 #define GSSEAP_FREE free
829 #define GSSEAP_REALLOC realloc
831 #endif /* !GSSEAP_MALLOC */
833 #ifndef GSSAPI_CALLCONV
834 #define GSSAPI_CALLCONV KRB5_CALLCONV
837 #ifndef GSSEAP_ASSERT
839 #define GSSEAP_ASSERT(x) assert((x))
840 #endif /* !GSSEAP_ASSERT */
843 #define GSSEAP_CONSTRUCTOR
844 #define GSSEAP_DESTRUCTOR
846 #define GSSEAP_CONSTRUCTOR __attribute__((constructor))
847 #define GSSEAP_DESTRUCTOR __attribute__((destructor))
850 #define GSSEAP_NOT_IMPLEMENTED do { \
851 GSSEAP_ASSERT(0 && "not implemented"); \
853 return GSS_S_FAILURE; \
860 #define GSSEAP_GET_LAST_ERROR() (GetLastError()) /* XXX FIXME */
862 #define GSSEAP_MUTEX CRITICAL_SECTION
863 #define GSSEAP_MUTEX_INIT(m) (InitializeCriticalSection((m)), 0)
864 #define GSSEAP_MUTEX_DESTROY(m) DeleteCriticalSection((m))
865 #define GSSEAP_MUTEX_LOCK(m) EnterCriticalSection((m))
866 #define GSSEAP_MUTEX_UNLOCK(m) LeaveCriticalSection((m))
867 #define GSSEAP_ONCE_LEAVE do { return TRUE; } while (0)
869 /* Thread-local is handled separately */
871 #define GSSEAP_THREAD_ONCE INIT_ONCE
872 #define GSSEAP_ONCE_CALLBACK(cb) BOOL CALLBACK cb(PINIT_ONCE InitOnce, PVOID Parameter, PVOID *Context)
873 #define GSSEAP_ONCE(o, i) InitOnceExecuteOnce((o), (i), NULL, NULL)
874 #define GSSEAP_ONCE_INITIALIZER INIT_ONCE_STATIC_INIT
880 #define GSSEAP_GET_LAST_ERROR() (errno)
882 #define GSSEAP_MUTEX pthread_mutex_t
883 #define GSSEAP_MUTEX_INIT(m) pthread_mutex_init((m), NULL)
884 #define GSSEAP_MUTEX_DESTROY(m) pthread_mutex_destroy((m))
885 #define GSSEAP_MUTEX_LOCK(m) pthread_mutex_lock((m))
886 #define GSSEAP_MUTEX_UNLOCK(m) pthread_mutex_unlock((m))
888 #define GSSEAP_THREAD_KEY pthread_key_t
889 #define GSSEAP_KEY_CREATE(k, d) pthread_key_create((k), (d))
890 #define GSSEAP_GETSPECIFIC(k) pthread_getspecific((k))
891 #define GSSEAP_SETSPECIFIC(k, d) pthread_setspecific((k), (d))
893 #define GSSEAP_THREAD_ONCE pthread_once_t
894 #define GSSEAP_ONCE_CALLBACK(cb) void cb(void)
895 #define GSSEAP_ONCE(o, i) pthread_once((o), (i))
896 #define GSSEAP_ONCE_INITIALIZER PTHREAD_ONCE_INIT
897 #define GSSEAP_ONCE_LEAVE do { } while (0)
901 /* Helper functions */
903 store_uint16_be(uint16_t val, void *vp)
905 unsigned char *p = (unsigned char *)vp;
907 p[0] = (val >> 8) & 0xff;
908 p[1] = (val ) & 0xff;
911 static inline uint16_t
912 load_uint16_be(const void *cvp)
914 const unsigned char *p = (const unsigned char *)cvp;
916 return (p[1] | (p[0] << 8));
920 store_uint32_be(uint32_t val, void *vp)
922 unsigned char *p = (unsigned char *)vp;
924 p[0] = (val >> 24) & 0xff;
925 p[1] = (val >> 16) & 0xff;
926 p[2] = (val >> 8) & 0xff;
927 p[3] = (val ) & 0xff;
930 static inline uint32_t
931 load_uint32_be(const void *cvp)
933 const unsigned char *p = (const unsigned char *)cvp;
935 return (p[3] | (p[2] << 8)
936 | ((uint32_t) p[1] << 16)
937 | ((uint32_t) p[0] << 24));
941 store_uint64_be(uint64_t val, void *vp)
943 unsigned char *p = (unsigned char *)vp;
945 p[0] = (unsigned char)((val >> 56) & 0xff);
946 p[1] = (unsigned char)((val >> 48) & 0xff);
947 p[2] = (unsigned char)((val >> 40) & 0xff);
948 p[3] = (unsigned char)((val >> 32) & 0xff);
949 p[4] = (unsigned char)((val >> 24) & 0xff);
950 p[5] = (unsigned char)((val >> 16) & 0xff);
951 p[6] = (unsigned char)((val >> 8) & 0xff);
952 p[7] = (unsigned char)((val ) & 0xff);
955 static inline uint64_t
956 load_uint64_be(const void *cvp)
958 const unsigned char *p = (const unsigned char *)cvp;
960 return ((uint64_t)load_uint32_be(p) << 32) | load_uint32_be(p + 4);
963 static inline unsigned char *
964 store_buffer(gss_buffer_t buffer, void *vp, int wide_nums)
966 unsigned char *p = (unsigned char *)vp;
969 store_uint64_be(buffer->length, p);
972 store_uint32_be(buffer->length, p);
976 if (buffer->value != NULL) {
977 memcpy(p, buffer->value, buffer->length);
984 static inline unsigned char *
985 load_buffer(const void *cvp, size_t length, gss_buffer_t buffer)
988 buffer->value = GSSEAP_MALLOC(length);
989 if (buffer->value == NULL)
991 buffer->length = length;
992 memcpy(buffer->value, cvp, length);
993 return (unsigned char *)cvp + length;
996 static inline unsigned char *
997 store_oid(gss_OID oid, void *vp)
1001 if (oid != GSS_C_NO_OID) {
1002 buf.length = oid->length;
1003 buf.value = oid->elements;
1009 return store_buffer(&buf, vp, FALSE);
1013 krbDataToGssBuffer(krb5_data *data, gss_buffer_t buffer)
1015 buffer->value = (void *)data->data;
1016 buffer->length = data->length;
1020 krbPrincComponentToGssBuffer(krb5_principal krbPrinc,
1021 int index, gss_buffer_t buffer)
1023 if (KRB_PRINC_LENGTH(krbPrinc) <= index) {
1024 buffer->value = NULL;
1027 #ifdef HAVE_HEIMDAL_VERSION
1028 buffer->value = (void *)KRB_PRINC_NAME(krbPrinc)[index];
1029 buffer->length = strlen((char *)buffer->value);
1031 buffer->value = (void *)krb5_princ_component(NULL, krbPrinc, index)->data;
1032 buffer->length = krb5_princ_component(NULL, krbPrinc, index)->length;
1033 #endif /* HAVE_HEIMDAL_VERSION */
1037 static inline krb5_error_code
1038 krbPrincUnparseServiceSpecifics(krb5_context krbContext, krb5_principal krbPrinc,
1039 gss_buffer_t nameBuf)
1041 krb5_error_code result = 0;
1042 if (KRB_PRINC_LENGTH(krbPrinc) > 2) {
1043 /* Acceptor-Service-Specific */
1044 krb5_principal_data ssiPrinc = *krbPrinc;
1047 KRB_PRINC_LENGTH(&ssiPrinc) -= 2;
1048 KRB_PRINC_NAME(&ssiPrinc) += 2;
1050 result = krb5_unparse_name_flags(krbContext, &ssiPrinc,
1051 KRB5_PRINCIPAL_UNPARSE_NO_REALM, &ssi);
1055 nameBuf->value = ssi;
1056 nameBuf->length = strlen(ssi);
1058 nameBuf->value = NULL;
1059 nameBuf->length = 0;
1066 krbFreeUnparsedName(krb5_context krbContext GSSEAP_UNUSED, gss_buffer_t nameBuf)
1068 #ifdef HAVE_HEIMDAL_VERSION
1069 krb5_xfree((char *) nameBuf->value);
1071 krb5_free_unparsed_name(krbContext, (char *)(nameBuf->value));
1073 nameBuf->value = NULL;
1074 nameBuf->length = 0;
1078 krbPrincRealmToGssBuffer(krb5_principal krbPrinc, gss_buffer_t buffer)
1080 #ifdef HAVE_HEIMDAL_VERSION
1081 buffer->value = (void *)KRB_PRINC_REALM(krbPrinc);
1082 buffer->length = strlen((char *)buffer->value);
1084 krbDataToGssBuffer(KRB_PRINC_REALM(krbPrinc), buffer);
1089 gssBufferToKrbData(gss_buffer_t buffer, krb5_data *data)
1091 data->data = (char *)buffer->value;
1092 data->length = buffer->length;
1096 struct gss_eap_status_info;
1098 struct gss_eap_thread_local_data {
1099 krb5_context krbContext;
1100 struct gss_eap_status_info *statusInfo;
1103 struct gss_eap_thread_local_data *
1104 gssEapGetThreadLocalData(void);
1107 gssEapDestroyStatusInfo(struct gss_eap_status_info *status);
1110 gssEapDestroyKrbContext(krb5_context context);
1116 #ifdef GSSEAP_ENABLE_ACCEPTOR
1117 #include "util_json.h"
1118 #include "util_attr.h"
1119 #include "util_base64.h"
1120 #endif /* GSSEAP_ENABLE_ACCEPTOR */
1121 #ifdef GSSEAP_ENABLE_REAUTH
1122 #include "util_reauth.h"
1125 #endif /* _UTIL_H_ */