add sessionctl

sessionctl.c

@@ -0,0 +1,78 @@
+#include <string.h>
+#include "l2tpns.h"
+#include "plugin.h"
+#include "control.h"
+
+/* session control */
+
+char const *cvs_id = "$Id: sessionctl.c,v 1.1 2005-05-10 06:44:11 bodea Exp $";
+
+int plugin_api_version = PLUGIN_API_VERSION;
+static struct pluginfuncs *p = 0;
+
+char *plugin_control_help[] = {
+    "  drop USER|SID [REASON]                      Shutdown user session",
+    "  kill USER|SID [REASON]                      Kill user session",
+    0
+};
+
+int plugin_init(struct pluginfuncs *funcs)
+{
+    if (!funcs)
+	return 0;
+
+    p = funcs;
+    return 1;
+}
+
+int plugin_control(struct param_control *data)
+{
+    sessionidt session;
+    sessiont *s = 0;
+    char *end;
+    char *reason;
+
+    if (data->argc < 1)
+	return PLUGIN_RET_OK;
+
+    if (strcmp(data->argv[0], "drop") && strcmp(data->argv[0], "kill"))
+	return PLUGIN_RET_OK; // not for us
+
+    if (!data->iam_master)
+	return PLUGIN_RET_NOTMASTER;
+
+    if (data->argc < 2 || data->argc > 3)
+    {
+	data->response = NSCTL_RES_ERR;
+	data->additional = "requires username or session id and optional reason";
+	return PLUGIN_RET_STOP;
+    }
+
+    if (!(session = strtol(data->argv[1], &end, 10)) || *end)
+	session = p->get_session_by_username(data->argv[1]);
+
+    if (session)
+	s = p->get_session_by_id(session);
+
+    if (!s || !s->ip)
+    {
+	data->response = NSCTL_RES_ERR;
+	data->additional = "session not found";
+	return PLUGIN_RET_STOP;
+    }
+
+    if (data->argc > 2)
+	reason = data->argv[2];
+    else
+	reaons = "Requested by administrator.";
+
+    if (data->argv[0][0] == 'd')
+	p->sessionshutdown(session, reason, 3, 0);
+    else
+	p->sessionkill(session, reason);
+
+    data->response = NSCTL_RES_OK;
+    data->additional = 0;
+
+    return PLUGIN_RET_STOP;
+}