krb5: Expose trace functions

lib/krb5/libkrb5-exports.def.in

@@ -205,6 +205,7 @@ EXPORTS
 	krb5_data_free
 	krb5_data_realloc
 	krb5_data_zero
+	krb5_debug
 	krb5_decode_Authenticator
 	krb5_decode_ETYPE_INFO2
 	krb5_decode_ETYPE_INFO
@@ -393,6 +394,7 @@ EXPORTS
 	krb5_h_addr2sockaddr
 	krb5_h_errno_to_heim_errno
 	krb5_have_error_string
+	krb5_have_debug
 	krb5_hmac
 	krb5_init_context
 	krb5_init_ets

lib/krb5/log.c

@@ -166,6 +166,21 @@ _krb5_debug(krb5_context context,
     va_end(ap);
 }
 
+void KRB5_LIB_FUNCTION
+krb5_debug(krb5_context context,
+	    int level,
+	    const char *fmt,
+	    ...)
+    __attribute__ ((__format__ (__printf__, 3, 4)))
+{
+    va_list ap;
+
+    va_start(ap, fmt);
+    if (context && context->hcontext)
+        heim_vdebug(context->hcontext, level, fmt, ap);
+    va_end(ap);
+}
+
 KRB5_LIB_FUNCTION krb5_boolean KRB5_LIB_CALL
 _krb5_have_debug(krb5_context context, int level)
 {
@@ -174,6 +189,12 @@ _krb5_have_debug(krb5_context context, int level)
     return heim_have_debug(context->hcontext, level);
 }
 
+KRB5_LIB_FUNCTION krb5_boolean KRB5_LIB_CALL
+krb5_have_debug(krb5_context context, int level)
+{
+    return _krb5_have_debug(context, level);
+}
+
 KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
 krb5_set_debug_dest(krb5_context context, const char *program,
                     const char *log_spec)

lib/krb5/version-script.map

@@ -202,6 +202,7 @@ HEIMDAL_KRB5_2.0 {
 		krb5_data_free;
 		krb5_data_realloc;
 		krb5_data_zero;
+		krb5_debug;
 		krb5_decode_Authenticator;
 		krb5_decode_ETYPE_INFO2;
 		krb5_decode_ETYPE_INFO;
@@ -387,6 +388,7 @@ HEIMDAL_KRB5_2.0 {
 		krb5_h_addr2addr;
 		krb5_h_addr2sockaddr;
 		krb5_h_errno_to_heim_errno;
+		krb5_have_debug;
 		krb5_have_error_string;
 		krb5_hmac;
 		krb5_init_context;