#ifndef _GSSAPIP_EAP_H_
#define _GSSAPIP_EAP_H_ 1
-#include <gssapi/gssapi.h>
-#include <krb5.h>
+#include <assert.h>
+#include <string.h>
+#include <errno.h>
+#include <time.h>
+/* GSS includes */
+#include <gssapi/gssapi.h>
+#include <gssapi/gssapi_ext.h>
#include "gssapi_eap.h"
+/* EAP includes */
+#define IEEE8021X_EAPOL 1
+
+#include <common.h>
+#include <eap_peer/eap.h>
+#include <eap_peer/eap_config.h>
+#include <wpabuf.h>
+
+/* Kerberos includes */
+#include <krb5.h>
+
struct gss_name_struct {
OM_uint32 flags;
- krb5_principal principal;
+ krb5_principal kerberosName;
void *aaa;
void *assertion;
};
struct gss_cred_id_struct {
OM_uint32 flags;
- gss_name_t initiatorName;
- gss_name_t acceptorName;
+ gss_name_t name;
gss_buffer_desc password;
+ time_t expiryTime;
};
#define CTX_FLAG_INITIATOR 0x00000001
+#define CTX_IS_INITIATOR(ctx) (((ctx)->flags & CTX_FLAG_INITIATOR) != 0)
+
enum eap_gss_state {
EAP_STATE_AUTHENTICATE = 1,
EAP_STATE_KEY_TRANSPORT,
EAP_STATE_ESTABLISHED
};
+#define CTX_IS_ESTABLISHED(ctx) ((ctx)->state == EAP_STATE_ESTABLISHED)
+
+/* Initiator context flags */
+#define CTX_FLAG_EAP_SUCCESS 0x00010000
+#define CTX_FLAG_EAP_RESTART 0x00020000
+#define CTX_FLAG_EAP_FAIL 0x00040000
+#define CTX_FLAG_EAP_RESP 0x00080000
+#define CTX_FLAG_EAP_NO_RESP 0x00100000
+#define CTX_FLAG_EAP_REQ 0x00200000
+#define CTX_FLAG_EAP_PORT_ENABLED 0x00400000
+#define CTX_FLAG_EAP_ALT_ACCEPT 0x00800000
+#define CTX_FLAG_EAP_ALT_REJECT 0x01000000
+
+struct eap_gss_initiator_ctx {
+ struct wpabuf *eapReqData;
+ unsigned int idleWhile;
+ struct eap_peer_config eapConfig;
+ struct eap_sm *eap;
+};
+
+/* Acceptor context flags */
+struct eap_gss_acceptor_ctx {
+};
+
struct gss_ctx_id_struct {
enum eap_gss_state state;
OM_uint32 flags;
OM_uint32 gssFlags;
krb5_context kerberosCtx;
gss_OID mechanismUsed;
+ krb5_enctype encryptionType;
krb5_cksumtype checksumType;
krb5_keyblock *encryptionKey;
gss_name_t initiatorName;
gss_name_t acceptorName;
- OM_uint32 lifetime;
+ time_t expiryTime;
+ union {
+ struct eap_gss_initiator_ctx initiator;
+ #define initiatorCtx ctxU.initiator
+ struct eap_gss_acceptor_ctx acceptor;
+ #define acceptorCtx ctxU.acceptor
+ } ctxU;
+ uint64_t sendSeq, recvSeq;
+ void *seqState;
+};
+
+#define TOK_FLAG_SENDER_IS_ACCEPTOR 0x01
+#define TOK_FLAG_WRAP_CONFIDENTIAL 0x02
+#define TOK_FLAG_ACCEPTOR_SUBKEY 0x04
+
+enum gss_eap_token_type {
+ TOK_TYPE_MIC = 0x0404,
+ TOK_TYPE_WRAP = 0x0504,
+ TOK_TYPE_DELETE = 0x0405
};
+/* Helper APIs */
+OM_uint32 gssEapAllocContext(OM_uint32 *minor, gss_ctx_id_t *pCtx);
+OM_uint32 gssEapReleaseContext(OM_uint32 *minor, gss_ctx_id_t *pCtx);
+
+OM_uint32 gssEapAllocName(OM_uint32 *minor, gss_name_t *pName);
+OM_uint32 gssEapReleaseName(OM_uint32 *minor, gss_name_t *pName);
+
+OM_uint32 gssEapAllocCred(OM_uint32 *minor, gss_cred_id_t *pCred);
+OM_uint32 gssEapReleaseCred(OM_uint32 *minor, gss_cred_id_t *pCred);
+
+/* Kerberos token services */
+#define KRB_USAGE_ACCEPTOR_SEAL 22
+#define KRB_USAGE_ACCEPTOR_SIGN 23
+#define KRB_USAGE_INITIATOR_SEAL 24
+#define KRB_USAGE_INITIATOR_SIGN 25
+
+#if 0
+#define KRB_KEYTYPE(key) ((key)->keytype)
+#else
+#define KRB_KEYTYPE(key) ((key)->enctype)
+#endif
+
+/* util_crypt.c */
+int
+gssEapEncrypt(krb5_context context, int dce_style, size_t ec,
+ size_t rrc, krb5_keyblock *key, int usage, krb5_pointer iv,
+ gss_iov_buffer_desc *iov, int iov_count);
+
+int
+gssEapDecrypt(krb5_context context, int dce_style, size_t ec,
+ size_t rrc, krb5_keyblock *key, int usage, krb5_pointer iv,
+ gss_iov_buffer_desc *iov, int iov_count);
+
+krb5_cryptotype
+gssEapTranslateCryptoFlag(OM_uint32 type);
+
+gss_iov_buffer_t
+gssEapLocateIov(gss_iov_buffer_desc *iov,
+ int iov_count,
+ OM_uint32 type);
+
+void
+gssEapIovMessageLength(gss_iov_buffer_desc *iov,
+ int iov_count,
+ size_t *data_length,
+ size_t *assoc_data_length);
+
+void
+gssEapReleaseIov(gss_iov_buffer_desc *iov, int iov_count);
+
+int
+gssEapIsIntegrityOnly(gss_iov_buffer_desc *iov, int iov_count);
+
+int
+gssEapAllocIov(gss_iov_buffer_t iov, size_t size);
+
+/* util_cksum.c */
+int
+gssEapSign(krb5_context context,
+ krb5_cksumtype type,
+ size_t rrc,
+ krb5_keyblock *key,
+ krb5_keyusage sign_usage,
+ gss_iov_buffer_desc *iov,
+ int iov_count);
+
+int
+gssEapVerify(krb5_context context,
+ krb5_cksumtype type,
+ size_t rrc,
+ krb5_keyblock *key,
+ krb5_keyusage sign_usage,
+ gss_iov_buffer_desc *iov,
+ int iov_count,
+ int *valid);
+
+/* wrap_iov.c */
+OM_uint32
+gssEapWrapOrGetMIC(OM_uint32 *minor,
+ gss_ctx_id_t ctx,
+ int conf_req_flag,
+ int *conf_state,
+ gss_iov_buffer_desc *iov,
+ int iov_count,
+ enum gss_eap_token_type toktype);
+
+OM_uint32
+gssEapUnwrapOrVerifyMIC(OM_uint32 *minor_status,
+ gss_ctx_id_t ctx,
+ int *conf_state,
+ gss_qop_t *qop_state,
+ gss_iov_buffer_desc *iov,
+ int iov_count,
+ enum gss_eap_token_type toktype);
+
+/* Helper macros */
+#define GSSEAP_CALLOC(count, size) (calloc((count), (size)))
+#define GSSEAP_FREE(ptr) (free((ptr)))
+#define GSSEAP_MALLOC(size) (malloc((size)))
+#define GSSEAP_REALLOC(ptr, size) (realloc((ptr), (size)))
+
+#define GSSEAP_NOT_IMPLEMENTED do { \
+ assert(0 && "not implemented"); \
+ *minor = ENOSYS; \
+ return GSS_S_FAILURE; \
+ } while (0)
+
#endif /* _GSSAPIP_EAP_H_ */
projects / mech_eap.orig / blobdiff