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authorBernhard Schmidt <berni@debian.org>2020-08-15 21:29:50 +0200
committerBernhard Schmidt <berni@debian.org>2020-08-15 21:29:50 +0200
commit1079962e4c06f88a54e50d997c1b7e84303d30b4 (patch)
tree4d019426928435425214ccedd6f89b70dbdf035d /src/openvpn/sitnl.h
parent620785fe268a1221c1ba7a9cb5a70f3140a4f1ca (diff)
New upstream version 2.5~beta1upstream/2.5_beta1
Diffstat (limited to 'src/openvpn/sitnl.h')
-rw-r--r--src/openvpn/sitnl.h217
1 files changed, 217 insertions, 0 deletions
diff --git a/src/openvpn/sitnl.h b/src/openvpn/sitnl.h
new file mode 100644
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+++ b/src/openvpn/sitnl.h
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+/*
+ * Simplified Interface To NetLink
+ *
+ * Copyright (C) 2016-2018 Antonio Quartulli <a@unstable.cc>
+ *
+ * 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
+ */
+
+#ifndef SITNL_H_
+#define SITNL_H_
+
+#ifdef TARGET_LINUX
+
+#include <stdbool.h>
+#include <netinet/in.h>
+
+/**
+ * Bring interface up or down.
+ *
+ * @param iface the interface to modify
+ * @param up true if the interface has to be brought up, false otherwise
+ *
+ * @return 0 on success, a negative error code otherwise
+ */
+int sitnl_iface_up(const char *iface, bool up);
+
+/**
+ * Set the MTU for an interface
+ *
+ * @param iface the interface to modify
+ * @param mtru the new MTU
+ *
+ * @return 0 on success, a negative error code otherwise
+ */
+int sitnl_iface_mtu_set(const char *iface, uint32_t mtu);
+
+/**
+ * Add an IPv4 address to an interface
+ *
+ * @param iface the interface where the address has to be added
+ * @param addr the address to add
+ * @param prefixlen the prefix length of the network associated with the address
+ * @param broadcast the broadcast address to configure on the interface
+ *
+ * @return 0 on success, a negative error code otherwise
+ */
+int sitnl_addr_v4_add(const char *iface, const in_addr_t *addr, int prefixlen,
+ const in_addr_t *broadcast);
+
+/**
+ * Add an IPv6 address to an interface
+ *
+ * @param iface the interface where the address has to be added
+ * @param addr the address to add
+ * @param prefixlen the prefix length of the network associated with the address
+ *
+ * @return 0 on success, a negative error code otherwise
+ */
+
+int sitnl_addr_v6_add(const char *iface, const struct in6_addr *addr,
+ int prefixlen);
+
+/**
+ * Remove an IPv4 from an interface
+ *
+ * @param iface the interface to remove the address from
+ * @param prefixlen the prefix length of the network associated with the address
+ *
+ * @return 0 on success, a negative error code otherwise
+ */
+int sitnl_addr_v4_del(const char *iface, const in_addr_t *addr, int prefixlen);
+
+/**
+ * Remove an IPv6 from an interface
+ *
+ * @param iface the interface to remove the address from
+ * @param prefixlen the prefix length of the network associated with the address
+ *
+ * @return 0 on success, a negative error code otherwise
+ */
+int sitnl_addr_v6_del(const char *iface, const struct in6_addr *addr,
+ int prefixlen);
+
+/**
+ * Add a point-to-point IPv4 address to an interface
+ *
+ * @param iface the interface where the address has to be added
+ * @param local the address to add
+ * @param remote the associated p-t-p remote address
+ *
+ * @return 0 on success, a negative error code otherwise
+ */
+int sitnl_addr_ptp_v4_add(const char *iface, const in_addr_t *local,
+ const in_addr_t *remote);
+
+/**
+ * Remove a point-to-point IPv4 address from an interface
+ *
+ * @param iface the interface to remove the address from
+ * @param local the address to remove
+ *
+ * @return 0 on success, a negative error code otherwise
+ */
+int sitnl_addr_ptp_v4_del(const char *iface, const in_addr_t *local);
+
+
+/**
+ * Add a route for an IPv4 address/network
+ *
+ * @param dst the destination of the route
+ * @param prefixlen the length of the prefix of the destination
+ * @param gw the gateway for this route
+ * @param iface the interface for this route (can be NULL)
+ * @param table the table to add this route to (if 0, will be added to the
+ * main table)
+ * @param metric the metric associated with the route
+ *
+ * @return 0 on success, a negative error code otherwise
+ */
+int sitnl_route_v4_add(const in_addr_t *dst, int prefixlen,
+ const in_addr_t *gw, const char *iface, uint32_t table,
+ int metric);
+
+/**
+ * Add a route for an IPv6 address/network
+ *
+ * @param dst the destination of the route
+ * @param prefixlen the length of the prefix of the destination
+ * @param gw the gateway for this route
+ * @param iface the interface for this route (can be NULL)
+ * @param table the table to add this route to (if 0, will be added to the
+ * main table)
+ * @param metric the metric associated with the route
+ *
+ * @return 0 on success, a negative error code otherwise
+ */
+int sitnl_route_v6_add(const struct in6_addr *dst, int prefixlen,
+ const struct in6_addr *gw, const char *iface,
+ uint32_t table, int metric);
+
+/**
+ * Delete a route for an IPv4 address/network
+ *
+ * @param dst the destination of the route
+ * @param prefixlen the length of the prefix of the destination
+ * @param gw the gateway for this route
+ * @param iface the interface for this route (can be NULL)
+ * @param table the table to add this route to (if 0, will be added to the
+ * main table)
+ * @param metric the metric associated with the route
+ *
+ * @return 0 on success, a negative error code otherwise
+ */
+int sitnl_route_v4_del(const in_addr_t *dst, int prefixlen,
+ const in_addr_t *gw, const char *iface, uint32_t table,
+ int metric);
+
+/**
+ * Delete a route for an IPv4 address/network
+ *
+ * @param dst the destination of the route
+ * @param prefixlen the length of the prefix of the destination
+ * @param gw the gateway for this route
+ * @param iface the interface for this route (can be NULL)
+ * @param table the table to add this route to (if 0, will be added to the
+ * main table)
+ * @param metric the metric associated with the route
+ *
+ * @return 0 on success, a negative error code otherwise
+ */
+int sitnl_route_v6_del(const struct in6_addr *dst, int prefixlen,
+ const struct in6_addr *gw, const char *iface,
+ uint32_t table, int metric);
+
+/**
+ * Retrieve the gateway and outgoing interface for the specified IPv4
+ * address/network
+ *
+ * @param dst The destination to lookup
+ * @param prefixlen The length of the prefix of the destination
+ * @param best_gw Location where the retrieved GW has to be stored
+ * @param best_iface Location where the retrieved interface has to be stored
+ *
+ * @return 0 on success, a negative error code otherwise
+ */
+int sitnl_route_v4_best_gw(const in_addr_t *dst, int prefixlen,
+ in_addr_t *best_gw, char *best_iface);
+
+/**
+ * Retrieve the gateway and outgoing interface for the specified IPv6
+ * address/network
+ *
+ * @param dst The destination to lookup
+ * @param prefixlen The length of the prefix of the destination
+ * @param best_gw Location where the retrieved GW has to be stored
+ * @param best_iface Location where the retrieved interface has to be stored
+ *
+ * @return 0 on success, a negative error code otherwise
+ */
+int sitnl_route_v6_best_gw(const struct in6_addr *dst, int prefixlen,
+ struct in6_addr *best_gw, char *best_iface);
+
+#endif /* TARGET_LINUX */
+
+#endif /* SITNL_H_ */