Better error reporting through com_err
[mech_eap.git] / gssapiP_eap.h
index 9442232..de45508 100644 (file)
 #ifndef _GSSAPIP_EAP_H_
 #define _GSSAPIP_EAP_H_ 1
 
+#include "config.h"
 #include <assert.h>
 #include <string.h>
 #include <errno.h>
+#include <unistd.h>
+#include <stdlib.h>
 #include <time.h>
+#include <sys/param.h>
 
 /* GSS includes */
 #include <gssapi/gssapi.h>
+#include <gssapi/gssapi_krb5.h>
 #include <gssapi/gssapi_ext.h>
 #include "gssapi_eap.h"
-#include "util.h"
 
-/* EAP includes */
-#define IEEE8021X_EAPOL 1
+/* Kerberos includes */
+#include <krb5.h>
 
+/* EAP includes (not C++ clean) */
+#ifndef __cplusplus
 #include <common.h>
 #include <eap_peer/eap.h>
 #include <eap_peer/eap_config.h>
+#include <crypto/tls.h>
 #include <wpabuf.h>
+#endif
+
+/* Workaround for FreeRADIUS not being C++ clean */
+#ifdef __cplusplus
+extern "C" {
+#define operator fr_operator
+#endif
+#include <freeradius/libradius.h>
+#include <freeradius/radius.h>
+#include <radsec/radsec.h>
+#include <radsec/request.h>
+#ifdef __cplusplus
+#undef operator
+}
+#endif
+
+#include "gsseap_err.h"
+#include "radsec_err.h"
+#include "util.h"
 
-/* Kerberos includes */
-#include <krb5.h>
+#ifdef __cplusplus
+extern "C" {
+#endif
 
-#define NAME_FLAG_SAML                      0x00000001
-#define NAME_FLAG_RADIUS                    0x00000002
+/* These name flags are informative and not actually used by anything yet */
+#define NAME_FLAG_NAI                       0x00000001
+#define NAME_FLAG_SERVICE                   0x00000002
+#define NAME_FLAG_COMPOSITE                 0x00000004
+
+struct gss_eap_saml_attr_ctx;
+struct gss_eap_attr_ctx;
 
 struct gss_name_struct {
-    GSSEAP_MUTEX mutex; /* mutex protecting attributes */
+    GSSEAP_MUTEX mutex; /* mutex protects attrCtx */
     OM_uint32 flags;
     krb5_principal krbPrincipal; /* this is immutable */
-    void *saml;
-    void *avps;
+    struct gss_eap_attr_ctx *attrCtx;
 };
 
-#define CRED_FLAG_INITIATOR                 0x00000001
-#define CRED_FLAG_ACCEPTOR                  0x00000002
-#define CRED_FLAG_DEFAULT_IDENTITY          0x00000004
-#define CRED_FLAG_PASSWORD                  0x00000008
+#define CRED_FLAG_INITIATE                  0x00010000
+#define CRED_FLAG_ACCEPT                    0x00020000
+#define CRED_FLAG_DEFAULT_IDENTITY          0x00040000
+#define CRED_FLAG_PASSWORD                  0x00080000
+#define CRED_FLAG_DEFAULT_CCACHE            0x00100000
+#define CRED_FLAG_PUBLIC_MASK               0x0000FFFF
 
 struct gss_cred_id_struct {
     GSSEAP_MUTEX mutex;
     OM_uint32 flags;
     gss_name_t name;
     gss_buffer_desc password;
+    gss_OID_set mechanisms;
     time_t expiryTime;
+    char *radiusConfigFile;
+    char *radiusConfigStanza;
+#ifdef GSSEAP_ENABLE_REAUTH
+    krb5_ccache krbCredCache;
+    gss_cred_id_t krbCred;
+#endif
 };
 
 #define CTX_FLAG_INITIATOR                  0x00000001
+#define CTX_FLAG_KRB_REAUTH_GSS             0x00000002
 
 #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_SECURE_ASSOCIATION,
-    EAP_STATE_GSS_CHANNEL_BINDINGS,
-    EAP_STATE_ESTABLISHED
+enum gss_eap_state {
+    EAP_STATE_IDENTITY = 0,
+    EAP_STATE_AUTHENTICATE,
+    EAP_STATE_EXTENSIONS_REQ,
+    EAP_STATE_EXTENSIONS_RESP,
+    EAP_STATE_ESTABLISHED,
+#ifdef GSSEAP_ENABLE_REAUTH
+    EAP_STATE_KRB_REAUTH_GSS
+#endif
 };
 
 #define CTX_IS_ESTABLISHED(ctx)             ((ctx)->state == EAP_STATE_ESTABLISHED)
@@ -103,38 +147,50 @@ enum eap_gss_state {
 #define CTX_FLAG_EAP_PORT_ENABLED           0x00400000
 #define CTX_FLAG_EAP_ALT_ACCEPT             0x00800000
 #define CTX_FLAG_EAP_ALT_REJECT             0x01000000
+#define CTX_FLAG_EAP_MASK                   0xFFFF0000
 
-struct eap_gss_initiator_ctx {
-    struct wpabuf *eapReqData;
+struct gss_eap_initiator_ctx {
+    gss_cred_id_t defaultCred;
     unsigned int idleWhile;
-    struct eap_peer_config eapConfig;
+#ifndef __cplusplus
+    struct eap_peer_config eapPeerConfig;
     struct eap_sm *eap;
+    struct wpabuf reqData;
+#endif
 };
 
-/* Acceptor context flags */
-struct eap_gss_acceptor_ctx {
+struct gss_eap_acceptor_ctx {
+    struct rs_handle *radHandle;
+    struct rs_connection *radConn;
+    char *radServer;
+    gss_buffer_desc state;
+    VALUE_PAIR *vps;
 };
 
 struct gss_ctx_id_struct {
     GSSEAP_MUTEX mutex;
-    enum eap_gss_state state;
+    enum gss_eap_state state;
     OM_uint32 flags;
     OM_uint32 gssFlags;
     gss_OID mechanismUsed;
-    krb5_enctype encryptionType;
     krb5_cksumtype checksumType;
+    krb5_enctype encryptionType;
     krb5_keyblock rfc3961Key;
     gss_name_t initiatorName;
     gss_name_t acceptorName;
     time_t expiryTime;
+    uint64_t sendSeq, recvSeq;
+    void *seqState;
     union {
-        struct eap_gss_initiator_ctx initiator;
+        struct gss_eap_initiator_ctx initiator;
         #define initiatorCtx         ctxU.initiator
-        struct eap_gss_acceptor_ctx  acceptor;
+        struct gss_eap_acceptor_ctx  acceptor;
         #define acceptorCtx          ctxU.acceptor
+#ifdef GSSEAP_ENABLE_REAUTH
+        gss_ctx_id_t                 kerberos;
+        #define kerberosCtx          ctxU.kerberos
+#endif
     } ctxU;
-    uint64_t sendSeq, recvSeq;
-    void *seqState;
 };
 
 #define TOK_FLAG_SENDER_IS_ACCEPTOR         0x01
@@ -165,5 +221,32 @@ gssEapUnwrapOrVerifyMIC(OM_uint32 *minor_status,
                         int iov_count,
                         enum gss_eap_token_type toktype);
 
+OM_uint32
+gssEapWrapIovLength(OM_uint32 *minor,
+                    gss_ctx_id_t ctx,
+                    int conf_req_flag,
+                    gss_qop_t qop_req,
+                    int *conf_state,
+                    gss_iov_buffer_desc *iov,
+                    int iov_count);
+OM_uint32
+gssEapWrap(OM_uint32 *minor,
+           gss_ctx_id_t ctx,
+           int conf_req_flag,
+           gss_qop_t qop_req,
+           gss_buffer_t input_message_buffer,
+           int *conf_state,
+           gss_buffer_t output_message_buffer);
+
+unsigned char
+rfc4121Flags(gss_ctx_id_t ctx, int receiving);
+
+/* display_status.c */
+void
+gssEapSaveStatusInfo(OM_uint32 minor, const char *format, ...);
+
+#ifdef __cplusplus
+}
+#endif
 
 #endif /* _GSSAPIP_EAP_H_ */