splitted PKI tool to a file per command

2009-09-10 12:31:40 +02:00
parent e5e6c6f43c
commit 6be68cc1c7
11 changed files with 1380 additions and 1082 deletions
@@ -0,0 +1,101 @@
+/*
+ * Copyright (C) 2009 Martin Willi
+ * Hochschule fuer Technik Rapperswil
+ *
+ * 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 2 of the License, or (at your
+ * option) any later version.  See <http://www.fsf.org/copyleft/gpl.txt>.
+ *
+ * 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.
+ */
+
+/**
+ * @defgroup command command
+ * @{ @ingroup pki
+ */
+
+#ifndef COMMAND_H_
+#define COMMAND_H_
+
+#define _GNU_SOURCE
+#include <getopt.h>
+
+/**
+ * Maximum number of options in a command (+1)
+ */
+#define MAX_OPTIONS 14
+
+/**
+ * Maximum number of usage summary lines (+1)
+ */
+#define MAX_LINES 8
+
+typedef struct command_t command_t;
+typedef enum command_type_t command_type_t;
+
+/**
+ * Command specification.
+ */
+struct command_t {
+	/** Function implementing the command */
+	int (*call)(int, char*[]);
+	/** short option character */
+	char op;
+	/** long option string */
+	char *cmd;
+	/** description of the command */
+	char *description;
+	/** usage summary of the command */
+	char *line[MAX_LINES];
+	/** list of options the command accepts */
+	struct {
+		/** long option string of the option */
+		char *name;
+		/** short option character of the option */
+		char op;
+		/** expected argument to option, no/req/opt_argument */
+		int arg;
+		/** description of the option */
+		char *desc;
+	} options[MAX_OPTIONS];
+};
+
+/**
+ * Type of available commands
+ */
+enum command_type_t {
+	CMD_HELP = 0,
+	CMD_GEN,
+	CMD_PUB,
+	CMD_KEYID,
+	CMD_SELF,
+	CMD_ISSUE,
+	CMD_VERIFY,
+	CMD_MAX
+};
+
+/**
+ * Options of the currently processing command.
+ */
+extern struct option command_opts[];
+
+/**
+ * Register a command.
+ */
+void command_register(command_type_t type, command_t command);
+
+/**
+ * Dispatch commands.
+ */
+int command_dispatch(int argc, char *argv[]);
+
+/**
+ * Show usage information of active command.
+ */
+int command_usage(command_type_t cmd, char *error);
+
+#endif /* COMMAND_H_ @}*/