Merge branch 'windows'
[moonshot.git] / moonshot / mech_eap / util.h
index 6e35fd4..ae83923 100644 (file)
 #ifndef _UTIL_H_
 #define _UTIL_H_ 1
 
-#if defined(HAVE_SYS_PARAM_H)
+#ifdef HAVE_SYS_PARAM_H
 #include <sys/param.h>
 #endif
-#if defined(HAVE_STDINT_H)
+#ifdef HAVE_STDINT_H
 #include <stdint.h>
 #endif
 #include <string.h>
@@ -72,8 +72,9 @@
 
 #include <krb5.h>
 
-#if defined(WIN32)
-#define inline  __inline
+#ifdef WIN32
+#define inline __inline
+#define snprintf _snprintf
 #endif
 
 #ifdef __cplusplus
@@ -85,43 +86,24 @@ extern "C" {
 #endif
 
 #if !defined(WIN32) && !(defined(__cplusplus)) || (__GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 4))
-#define GSSEAP_UNUSED __attribute__ ((__unused__)) 
+#define GSSEAP_UNUSED __attribute__ ((__unused__))
 #else
 #define GSSEAP_UNUSED
 #endif
 
-#if !defined(WIN32)
-#define GSSEAP_CONSTRUCTOR  __attribute__((constructor))
-#define GSSEAP_DESTRUCTOR   __attribute__((destructor))
-#else
-#define GSSEAP_CONSTRUCTOR
-#define GSSEAP_DESTRUCTOR
-#endif
-
-/* thread local storage */
-struct gss_eap_status_info;
-
-struct gss_eap_thread_local_data
-{
-       krb5_context context;
-       struct gss_eap_status_info* status_info;
-};
-
-struct gss_eap_thread_local_data* 
-gssEapGetThreadLocalData();
-
-void 
-gssEapDestroyStatusInfo(struct gss_eap_status_info* status);
-
-void 
-gssEapDestroyKrbContext(krb5_context context);
-
 /* util_buffer.c */
 OM_uint32
 makeStringBuffer(OM_uint32 *minor,
                  const char *string,
                  gss_buffer_t buffer);
 
+#define makeStringBufferOrCleanup(src, dst)             \
+    do {                                                \
+        major = makeStringBuffer((minor), (src), (dst));\
+        if (GSS_ERROR(major))                           \
+            goto cleanup;                               \
+    } while (0)
+
 OM_uint32
 bufferToString(OM_uint32 *minor,
                const gss_buffer_t buffer,
@@ -132,6 +114,13 @@ duplicateBuffer(OM_uint32 *minor,
                 const gss_buffer_t src,
                 gss_buffer_t dst);
 
+#define duplicateBufferOrCleanup(src, dst)              \
+    do {                                                \
+        major = duplicateBuffer((minor), (src), (dst)); \
+        if (GSS_ERROR(major))                           \
+            goto cleanup;                               \
+    } while (0)
+
 static inline int
 bufferEqual(const gss_buffer_t b1, const gss_buffer_t b2)
 {
@@ -212,12 +201,17 @@ enum gss_eap_token_type {
 #define ITOK_TYPE_REAUTH_RESP           0x00000009 /* optional */
 #define ITOK_TYPE_VERSION_INFO          0x0000000A /* optional */
 #define ITOK_TYPE_VENDOR_INFO           0x0000000B /* optional */
+#define ITOK_TYPE_GSS_FLAGS             0x0000000C /* optional */
+#define ITOK_TYPE_INITIATOR_MIC         0x0000000D /* critical, required, if not reauth */
+#define ITOK_TYPE_ACCEPTOR_MIC          0x0000000E /* TBD */
 
 #define ITOK_FLAG_CRITICAL              0x80000000  /* critical, wire flag */
 #define ITOK_FLAG_VERIFIED              0x40000000  /* verified, API flag */
 
 #define ITOK_TYPE_MASK                  (~(ITOK_FLAG_CRITICAL | ITOK_FLAG_VERIFIED))
 
+#define GSSEAP_WIRE_FLAGS_MASK          GSS_C_MUTUAL_FLAG
+
 OM_uint32 gssEapAllocContext(OM_uint32 *minor, gss_ctx_id_t *pCtx);
 OM_uint32 gssEapReleaseContext(OM_uint32 *minor, gss_ctx_id_t *pCtx);
 
@@ -240,14 +234,26 @@ gssEapContextTime(OM_uint32 *minor,
                   gss_ctx_id_t context_handle,
                   OM_uint32 *time_rec);
 
+OM_uint32
+gssEapMakeTokenMIC(OM_uint32 *minor,
+                   gss_ctx_id_t ctx,
+                   gss_buffer_t tokenMIC);
+
+OM_uint32
+gssEapVerifyTokenMIC(OM_uint32 *minor,
+                     gss_ctx_id_t ctx,
+                     const gss_buffer_t tokenMIC);
+
 /* util_cred.c */
 OM_uint32 gssEapAllocCred(OM_uint32 *minor, gss_cred_id_t *pCred);
 OM_uint32 gssEapReleaseCred(OM_uint32 *minor, gss_cred_id_t *pCred);
 
+gss_OID
+gssEapPrimaryMechForCred(gss_cred_id_t cred);
+
 OM_uint32
 gssEapAcquireCred(OM_uint32 *minor,
                   const gss_name_t desiredName,
-                  const gss_buffer_t password,
                   OM_uint32 timeReq,
                   const gss_OID_set desiredMechs,
                   int cred_usage,
@@ -255,6 +261,22 @@ gssEapAcquireCred(OM_uint32 *minor,
                   gss_OID_set *pActualMechs,
                   OM_uint32 *timeRec);
 
+OM_uint32
+gssEapSetCredPassword(OM_uint32 *minor,
+                      gss_cred_id_t cred,
+                      const gss_buffer_t password);
+
+OM_uint32
+gssEapSetCredService(OM_uint32 *minor,
+                     gss_cred_id_t cred,
+                     const gss_name_t target);
+
+OM_uint32
+gssEapResolveInitiatorCred(OM_uint32 *minor,
+                           const gss_cred_id_t cred,
+                           const gss_name_t target,
+                           gss_cred_id_t *resolvedCred);
+
 int gssEapCredAvailable(gss_cred_id_t cred, gss_OID mech);
 
 OM_uint32
@@ -492,6 +514,17 @@ gssEapOidToSaslName(const gss_OID oid);
 gss_OID
 gssEapSaslNameToOid(const gss_buffer_t name);
 
+/* util_moonshot.c */
+OM_uint32
+libMoonshotResolveDefaultIdentity(OM_uint32 *minor,
+                                  const gss_cred_id_t cred,
+                                  gss_name_t *pName);
+
+OM_uint32
+libMoonshotResolveInitiatorCred(OM_uint32 *minor,
+                                gss_cred_id_t cred,
+                                const gss_name_t targetName);
+
 /* util_name.c */
 #define EXPORT_NAME_FLAG_OID                    0x1
 #define EXPORT_NAME_FLAG_COMPOSITE              0x2
@@ -673,16 +706,29 @@ void
 gssEapSmTransition(gss_ctx_id_t ctx, enum gss_eap_state state);
 
 /* util_token.c */
+struct gss_eap_token_buffer_set {
+    gss_buffer_set_desc buffers; /* pointers only */
+    OM_uint32 *types;
+};
+
 OM_uint32
 gssEapEncodeInnerTokens(OM_uint32 *minor,
-                        gss_buffer_set_t extensions,
-                        OM_uint32 *types,
+                        struct gss_eap_token_buffer_set *tokens,
                         gss_buffer_t buffer);
 OM_uint32
 gssEapDecodeInnerTokens(OM_uint32 *minor,
                         const gss_buffer_t buffer,
-                        gss_buffer_set_t *pExtensions,
-                        OM_uint32 **pTypes);
+                        struct gss_eap_token_buffer_set *tokens);
+
+OM_uint32
+gssEapReleaseInnerTokens(OM_uint32 *minor,
+                         struct gss_eap_token_buffer_set *tokens,
+                         int freeBuffers);
+
+OM_uint32
+gssEapAllocInnerTokens(OM_uint32 *minor,
+                       size_t count,
+                       struct gss_eap_token_buffer_set *tokens);
 
 size_t
 tokenSize(const gss_OID_desc *mech, size_t body_size);
@@ -708,6 +754,18 @@ verifyTokenHeader(OM_uint32 *minor,
 #define GSSEAP_FREE                     free
 #define GSSEAP_REALLOC                  realloc
 
+#ifndef GSSAPI_CALLCONV
+#define GSSAPI_CALLCONV                 KRB5_CALLCONV
+#endif
+
+#ifdef WIN32
+#define GSSEAP_CONSTRUCTOR
+#define GSSEAP_DESTRUCTOR
+#else
+#define GSSEAP_CONSTRUCTOR              __attribute__((constructor))
+#define GSSEAP_DESTRUCTOR               __attribute__((destructor))
+#endif
+
 #define GSSEAP_NOT_IMPLEMENTED          do {            \
         assert(0 && "not implemented");                 \
         *minor = ENOSYS;                                \
@@ -715,26 +773,30 @@ verifyTokenHeader(OM_uint32 *minor,
     } while (0)
 
 #ifdef WIN32
+
 #include <winbase.h>
-#define GSSEAP_MUTEX                    CRITICAL_SECTION
-// wrapper for EnterCriticalSection() to provide return value
-inline int win32_mutex_init(CRITICAL_SECTION* m)
-{
-       EnterCriticalSection(m);
-       return 0;
-}
 
-#define GSSEAP_MUTEX_INIT(m)            win32_mutex_init((m))
+#define GSSEAP_GET_LAST_ERROR()                (GetLastError())
+
+#define GSSEAP_MUTEX                    CRITICAL_SECTION
+#define GSSEAP_MUTEX_INIT(m)            (InitializeCriticalSection((m)), 0)
 #define GSSEAP_MUTEX_DESTROY(m)         DeleteCriticalSection((m))
 #define GSSEAP_MUTEX_LOCK(m)            EnterCriticalSection((m))
 #define GSSEAP_MUTEX_UNLOCK(m)          LeaveCriticalSection((m))
 
+/* Thread-local is handled separately */
+
+#define GSSEAP_THREAD_ONCE              INIT_ONCE
+#define GSSEAP_ONCE(o, i)               InitOnceExecuteOnce((o), (i))
+#define GSSEAP_ONCE_INITIALIZER         INIT_ONCE_STATIC_INIT
+
 #else
+
 #include <pthread.h>
 
-#define GSSEAP_MUTEX                    pthread_mutex_t
-#define GSSEAP_MUTEX_INITIALIZER        PTHREAD_MUTEX_INITIALIZER
+#define GSSEAP_GET_LAST_ERROR()                (errno)
 
+#define GSSEAP_MUTEX                    pthread_mutex_t
 #define GSSEAP_MUTEX_INIT(m)            pthread_mutex_init((m), NULL)
 #define GSSEAP_MUTEX_DESTROY(m)         pthread_mutex_destroy((m))
 #define GSSEAP_MUTEX_LOCK(m)            pthread_mutex_lock((m))
@@ -748,7 +810,8 @@ inline int win32_mutex_init(CRITICAL_SECTION* m)
 #define GSSEAP_THREAD_ONCE              pthread_once_t
 #define GSSEAP_ONCE(o, i)               pthread_once((o), (i))
 #define GSSEAP_ONCE_INITIALIZER         PTHREAD_ONCE_INIT
-#endif
+
+#endif /* WIN32 */
 
 /* Helper functions */
 static inline void
@@ -899,6 +962,23 @@ gssBufferToKrbData(gss_buffer_t buffer, krb5_data *data)
     data->length = buffer->length;
 }
 
+/* util_tld.c */
+struct gss_eap_status_info;
+
+struct gss_eap_thread_local_data {
+    krb5_context krbContext;
+    struct gss_eap_status_info *statusInfo;
+};
+
+struct gss_eap_thread_local_data *
+gssEapGetThreadLocalData(void);
+
+void
+gssEapDestroyStatusInfo(struct gss_eap_status_info *status);
+
+void
+gssEapDestroyKrbContext(krb5_context context);
+
 #ifdef __cplusplus
 }
 #endif
@@ -906,8 +986,8 @@ gssBufferToKrbData(gss_buffer_t buffer, krb5_data *data)
 #ifdef GSSEAP_ENABLE_ACCEPTOR
 #include "util_json.h"
 #include "util_attr.h"
-#endif
 #include "util_base64.h"
+#endif /* GSSEAP_ENABLE_ACCEPTOR */
 #ifdef GSSEAP_ENABLE_REAUTH
 #include "util_reauth.h"
 #endif