Imported Upstream version 2.2.1upstream/2.2.1

1 files changed, 102 insertions, 0 deletions

diff --git a/pf.h b/pf.h
new file mode 100644
index 0000000..04adf0e
--- /dev/null
+++ b/pf.h
@@ -0,0 +1,102 @@
+/*
+ *  OpenVPN -- An application to securely tunnel IP networks
+ *             over a single TCP/UDP port, with support for SSL/TLS-based
+ *             session authentication and key exchange,
+ *             packet encryption, packet authentication, and
+ *             packet compression.
+ *
+ *  Copyright (C) 2002-2010 OpenVPN Technologies, Inc. <sales@openvpn.net>
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License version 2
+ *  as published by the Free Software Foundation.
+ *
+ *  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 (see the file COPYING included with this
+ *  distribution); if not, write to the Free Software Foundation, Inc.,
+ *  59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+/* packet filter functions */
+
+#if defined(ENABLE_PF) && !defined(OPENVPN_PF_H)
+#define OPENVPN_PF_H
+
+#include "list.h"
+#include "mroute.h"
+
+#define PF_MAX_LINE_LEN 256
+
+struct context;
+
+struct ipv4_subnet {
+  bool exclude;
+  in_addr_t network;
+  in_addr_t netmask;
+};
+
+struct pf_subnet {
+  struct pf_subnet *next;
+  struct ipv4_subnet rule;
+};
+
+struct pf_subnet_set {
+  bool default_allow;
+  struct pf_subnet *list;
+};
+
+struct pf_cn {
+  bool exclude;
+  char *cn;
+};
+
+struct pf_cn_elem {
+  struct pf_cn_elem *next;
+  struct pf_cn rule;
+};
+
+struct pf_cn_set {
+  bool default_allow;
+  struct pf_cn_elem *list;
+  struct hash *hash_table;
+};
+
+struct pf_set {
+  bool kill;
+  struct pf_subnet_set sns;
+  struct pf_cn_set cns;
+};
+
+struct pf_context {
+  bool enabled;
+  struct pf_set *pfs;
+#ifdef PLUGIN_PF
+  char *filename;
+  time_t file_last_mod;
+  unsigned int n_check_reload;
+  struct event_timeout reload;
+#endif
+};
+
+void pf_init_context (struct context *c);
+
+void pf_destroy_context (struct pf_context *pfc);
+
+#ifdef PLUGIN_PF
+void pf_check_reload (struct context *c);
+#endif
+
+#ifdef MANAGEMENT_PF
+bool pf_load_from_buffer_list (struct context *c, const struct buffer_list *config);
+#endif
+
+#ifdef ENABLE_DEBUG
+void pf_context_print (const struct pf_context *pfc, const char *prefix, const int lev);
+#endif
+
+#endif