split out util functions from yubico-piv-tool.c

tool/internal.h

@@ -0,0 +1,58 @@
+ /*
+ * 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 YUBICO_PIV_TOOL_INTERNAL_H
+#define YUBICO_PIV_TOOL_INTERNAL_H
+
+#define INPUT 1
+#define OUTPUT 2
+
+union u_APDU {
+  struct {
+    unsigned char cla;
+    unsigned char ins;
+    unsigned char p1;
+    unsigned char p2;
+    unsigned char lc;
+    unsigned char data[0xff];
+  } st;
+  unsigned char raw[0xff + 5];
+};
+
+typedef union u_APDU APDU;
+
+void dump_hex(unsigned const char*, unsigned int);
+int set_length(unsigned char*, int);
+int get_length(unsigned char*, int*);
+X509_NAME *parse_name(char*);
+unsigned char get_algorithm(EVP_PKEY*);
+FILE *open_file(const char*, int);
+int get_object_id(enum enum_slot slot);
+
+#endif