start library structure

lib/Makefile.am

@@ -29,7 +29,7 @@ AM_CPPFLAGS = $(OPENSSL_CFLAGS) $(PCSC_CFLAGS)
 
 lib_LTLIBRARIES = libykpiv.la
 
-libykpiv_la_SOURCES = ykpiv.c version.c ykpiv.pc.in ykpiv.map
+libykpiv_la_SOURCES = ykpiv.c version.c ykpiv.pc.in ykpiv.map internal.h
 libykpiv_la_includedir = $(includedir)/ykpiv
 libykpiv_la_include_HEADERS = ykpiv.h ykpiv-version.h
 

lib/internal.h

@@ -0,0 +1,38 @@
+ /*
+ * Copyright (c) 2014 Yubico AB
+ * All rights reserved.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ * Additional permission under GNU GPL version 3 section 7
+ *
+ * If you modify this program, or any covered work, by linking or
+ * combining it with the OpenSSL project's OpenSSL library (or a
+ * modified version of that library), containing parts covered by the
+ * terms of the OpenSSL or SSLeay licenses, We grant you additional 
+ * permission to convey the resulting work. Corresponding Source for a
+ * non-source form of such a combination shall include the source code
+ * for the parts of OpenSSL used as well as that of the covered work.
+ *
+ */
+
+#ifndef YKPIV_INTERNAL_H
+#define YKPIV_INTERNAL_H
+
+struct ykpiv_state {
+	SCARDCONTEXT card;
+	SCARDHANDLE cardHandle;
+};
+
+#endif

lib/ykpiv.c

@@ -26,3 +26,33 @@
  * for the parts of OpenSSL used as well as that of the covered work.
  *
  */
+
+#include <stdlib.h>
+#include <string.h>
+
+#if BACKEND_PCSC
+#if defined HAVE_PCSC_WINSCARD_H
+# include <PCSC/wintypes.h>
+# include <PCSC/winscard.h>
+#else
+# include <winscard.h>
+#endif
+#endif
+
+#include "internal.h"
+#include "ykpiv.h"
+
+int ykpiv_init(ykpiv_state **state) {
+	ykpiv_state *s = malloc(sizeof(ykpiv_state));
+	if(s == NULL) {
+		return -1;
+	}
+	memset(s, 0, sizeof(ykpiv_state));
+	*state = s;
+	return 0;
+}
+
+int ykpiv_done(ykpiv_state *state) {
+	free(state);
+	return 0;
+}

lib/ykpiv.h

@@ -35,6 +35,11 @@ extern "C"
 {
 #endif
 
+	typedef struct ykpiv_state ykpiv_state;
+
+	int ykpiv_init(ykpiv_state **state);
+	int ykpiv_done(ykpiv_state *state);
+
 #ifdef __cplusplus
 }
 #endif

lib/ykpiv.map

@@ -28,6 +28,8 @@ YKPIV_0.1.0
 {
 global:
 	ykpiv_check_version;
+	ykpiv_init;
+	ykpiv_map;
 
 local:
 	*;