tools: irm: Parse arguments for irm and create_ipcp

This parses the arguments passed to irm at the top level, and also the
arguments supplied when calling irm create_ipcp. It subsequently calls
irm_create_ipcp with these arguments.

1 files changed, 84 insertions, 0 deletions

diff --git a/src/tools/irm/irm.c b/src/tools/irm/irm.c
new file mode 100644
index 00000000..cca8def4
--- /dev/null
+++ b/src/tools/irm/irm.c
@@ -0,0 +1,84 @@
+/*
+ * Ouroboros - Copyright (C) 2016
+ *
+ * A tool to instruct the IRM
+ *
+ *    Sander Vrijders <sander.vrijders@intec.ugent.be>
+ *
+ * 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.
+ *
+ * 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, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include <ouroboros/common.h>
+#include <ouroboros/irm.h>
+#include <stdio.h>
+#include <string.h>
+
+#include "irm_ops.h"
+#include "irm_utils.h"
+
+static void usage()
+{
+        printf("Usage: irm [OPERATION]\n\n"
+               "where OPERATION = {create_ipcp destroy_ipcp \n"
+               "                   bootstrap_ipcp enroll_ipcp\n"
+               "                   register_ipcp unregister_ipcp\n"
+               "                   help}\n");
+}
+
+static int do_help(int argc, char **argv)
+{
+        usage();
+        return 0;
+}
+
+static const struct cmd {
+        const char * cmd;
+        int (* func)(int argc, char ** argv);
+} cmds[] = {
+        { "create_ipcp",     do_create_ipcp },
+        { "destroy_ipcp",    do_destroy_ipcp },
+        { "bootstrap_ipcp",  do_bootstrap_ipcp },
+        { "enroll_ipcp",     do_enroll_ipcp },
+        { "register_ipcp",   do_register_ipcp },
+        { "unregister_ipcp", do_unregister_ipcp },
+        { "help",            do_help },
+        { 0 }
+};
+
+static int do_cmd(const char * argv0,
+                  int argc,
+                  char ** argv)
+{
+        const struct cmd * c;
+
+        for (c = cmds; c->cmd; ++c) {
+                if (matches(argv0, c->cmd) == 0)
+                        return -(c->func(argc-1, argv+1));
+        }
+
+        fprintf(stderr, "\"%s\" is unknown, try \"irm help\".\n", argv0);
+        return -1;
+}
+
+
+int main (int argc, char ** argv) {
+
+        if (argc < 2) {
+                usage();
+                return 0;
+        }
+
+        return do_cmd(argv[1], argc-1, argv+1);
+}