summaryrefslogtreecommitdiff
path: root/src/openvpn/route.h
diff options
context:
space:
mode:
authorAlberto Gonzalez Iniesta <agi@inittab.org>2016-12-27 18:25:47 +0100
committerAlberto Gonzalez Iniesta <agi@inittab.org>2016-12-27 18:25:47 +0100
commit3a2bbdb05ca6a6996e424c9fb225cb0d53804125 (patch)
treef29063da5bec4caf3853d49a22a09c8619eebd21 /src/openvpn/route.h
parentd53dba59e78da865c4fe820386ff2f4f76925f3b (diff)
New upstream version 2.4.0upstream/2.4.0
Diffstat (limited to 'src/openvpn/route.h')
-rw-r--r--src/openvpn/route.h436
1 files changed, 229 insertions, 207 deletions
diff --git a/src/openvpn/route.h b/src/openvpn/route.h
index c358681..03ee8cd 100644
--- a/src/openvpn/route.h
+++ b/src/openvpn/route.h
@@ -5,7 +5,7 @@
* packet encryption, packet authentication, and
* packet compression.
*
- * Copyright (C) 2002-2010 OpenVPN Technologies, Inc. <sales@openvpn.net>
+ * Copyright (C) 2002-2017 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
@@ -52,32 +52,32 @@
struct route_bypass
{
-# define N_ROUTE_BYPASS 8
- int n_bypass;
- in_addr_t bypass[N_ROUTE_BYPASS];
+#define N_ROUTE_BYPASS 8
+ int n_bypass;
+ in_addr_t bypass[N_ROUTE_BYPASS];
};
struct route_special_addr
{
- /* bits indicating which members below are defined */
-# define RTSA_REMOTE_ENDPOINT (1<<0)
-# define RTSA_REMOTE_HOST (1<<1)
-# define RTSA_DEFAULT_METRIC (1<<2)
- unsigned int flags;
-
- in_addr_t remote_endpoint;
- in_addr_t remote_host;
- int remote_host_local; /* TLA_x value */
- struct route_bypass bypass;
- int default_metric;
+ /* bits indicating which members below are defined */
+#define RTSA_REMOTE_ENDPOINT (1<<0)
+#define RTSA_REMOTE_HOST (1<<1)
+#define RTSA_DEFAULT_METRIC (1<<2)
+ unsigned int flags;
+
+ in_addr_t remote_endpoint;
+ in_addr_t remote_host;
+ int remote_host_local; /* TLA_x value */
+ struct route_bypass bypass;
+ int default_metric;
};
struct route_option {
- struct route_option *next;
- const char *network;
- const char *netmask;
- const char *gateway;
- const char *metric;
+ struct route_option *next;
+ const char *network;
+ const char *netmask;
+ const char *gateway;
+ const char *metric;
};
/* redirect-gateway flags */
@@ -91,226 +91,234 @@ struct route_option {
#define RG_BLOCK_LOCAL (1<<7)
struct route_option_list {
- unsigned int flags; /* RG_x flags */
- struct route_option *routes;
- struct gc_arena *gc;
+ unsigned int flags; /* RG_x flags */
+ struct route_option *routes;
+ struct gc_arena *gc;
};
struct route_ipv6_option {
- struct route_ipv6_option *next;
- const char *prefix; /* e.g. "2001:db8:1::/64" */
- const char *gateway; /* e.g. "2001:db8:0::2" */
- const char *metric; /* e.g. "5" */
+ struct route_ipv6_option *next;
+ const char *prefix; /* e.g. "2001:db8:1::/64" */
+ const char *gateway; /* e.g. "2001:db8:0::2" */
+ const char *metric; /* e.g. "5" */
};
struct route_ipv6_option_list {
- unsigned int flags; /* RG_x flags, see route_option-list */
- struct route_ipv6_option *routes_ipv6;
- struct gc_arena *gc;
+ unsigned int flags; /* RG_x flags, see route_option-list */
+ struct route_ipv6_option *routes_ipv6;
+ struct gc_arena *gc;
};
struct route_ipv4 {
-# define RT_DEFINED (1<<0)
-# define RT_ADDED (1<<1)
-# define RT_METRIC_DEFINED (1<<2)
- struct route_ipv4 *next;
- unsigned int flags;
- const struct route_option *option;
- in_addr_t network;
- in_addr_t netmask;
- in_addr_t gateway;
- int metric;
+#define RT_DEFINED (1<<0)
+#define RT_ADDED (1<<1)
+#define RT_METRIC_DEFINED (1<<2)
+ struct route_ipv4 *next;
+ unsigned int flags;
+ const struct route_option *option;
+ in_addr_t network;
+ in_addr_t netmask;
+ in_addr_t gateway;
+ int metric;
};
struct route_ipv6 {
- struct route_ipv6 *next;
- unsigned int flags; /* RT_ flags, see route_ipv4 */
- struct in6_addr network;
- unsigned int netbits;
- struct in6_addr gateway;
- int metric;
- /* gateway interface */
-# ifdef _WIN32
- DWORD adapter_index; /* interface or ~0 if undefined */
+ struct route_ipv6 *next;
+ unsigned int flags; /* RT_ flags, see route_ipv4 */
+ struct in6_addr network;
+ unsigned int netbits;
+ struct in6_addr gateway;
+ int metric;
+ /* gateway interface */
+#ifdef _WIN32
+ DWORD adapter_index; /* interface or ~0 if undefined */
#else
- char * iface; /* interface name (null terminated) */
+ char *iface; /* interface name (null terminated) */
#endif
};
struct route_gateway_address {
- in_addr_t addr;
- in_addr_t netmask;
+ in_addr_t addr;
+ in_addr_t netmask;
};
struct route_gateway_info {
-# define RGI_ADDR_DEFINED (1<<0) /* set if gateway.addr defined */
-# define RGI_NETMASK_DEFINED (1<<1) /* set if gateway.netmask defined */
-# define RGI_HWADDR_DEFINED (1<<2) /* set if hwaddr is defined */
-# define RGI_IFACE_DEFINED (1<<3) /* set if iface is defined */
-# define RGI_OVERFLOW (1<<4) /* set if more interface addresses than will fit in addrs */
-# define RGI_ON_LINK (1<<5)
- unsigned int flags;
-
- /* gateway interface */
-# ifdef _WIN32
- DWORD adapter_index; /* interface or ~0 if undefined */
+#define RGI_ADDR_DEFINED (1<<0) /* set if gateway.addr defined */
+#define RGI_NETMASK_DEFINED (1<<1) /* set if gateway.netmask defined */
+#define RGI_HWADDR_DEFINED (1<<2) /* set if hwaddr is defined */
+#define RGI_IFACE_DEFINED (1<<3) /* set if iface is defined */
+#define RGI_OVERFLOW (1<<4) /* set if more interface addresses than will fit in addrs */
+#define RGI_ON_LINK (1<<5)
+ unsigned int flags;
+
+ /* gateway interface */
+#ifdef _WIN32
+ DWORD adapter_index; /* interface or ~0 if undefined */
#else
- char iface[16]; /* interface name (null terminated), may be empty */
+ char iface[16]; /* interface name (null terminated), may be empty */
#endif
- /* gateway interface hardware address */
- uint8_t hwaddr[6];
+ /* gateway interface hardware address */
+ uint8_t hwaddr[6];
- /* gateway/router address */
- struct route_gateway_address gateway;
+ /* gateway/router address */
+ struct route_gateway_address gateway;
- /* address/netmask pairs bound to interface */
-# define RGI_N_ADDRESSES 8
- int n_addrs; /* len of addrs, may be 0 */
- struct route_gateway_address addrs[RGI_N_ADDRESSES]; /* local addresses attached to iface */
+ /* address/netmask pairs bound to interface */
+#define RGI_N_ADDRESSES 8
+ int n_addrs; /* len of addrs, may be 0 */
+ struct route_gateway_address addrs[RGI_N_ADDRESSES]; /* local addresses attached to iface */
};
struct route_ipv6_gateway_address {
- struct in6_addr addr_ipv6;
- int netbits_ipv6;
+ struct in6_addr addr_ipv6;
+ int netbits_ipv6;
};
struct route_ipv6_gateway_info {
/* RGI_ flags used as in route_gateway_info */
- unsigned int flags;
+ unsigned int flags;
- /* gateway interface */
-# ifdef _WIN32
- DWORD adapter_index; /* interface or ~0 if undefined */
+ /* gateway interface */
+#ifdef _WIN32
+ DWORD adapter_index; /* interface or ~0 if undefined */
#else
- char iface[16]; /* interface name (null terminated), may be empty */
+ char iface[16]; /* interface name (null terminated), may be empty */
#endif
- /* gateway interface hardware address */
- uint8_t hwaddr[6];
+ /* gateway interface hardware address */
+ uint8_t hwaddr[6];
- /* gateway/router address */
- struct route_ipv6_gateway_address gateway;
+ /* gateway/router address */
+ struct route_ipv6_gateway_address gateway;
- /* address/netmask pairs bound to interface */
-# define RGI_N_ADDRESSES 8
- int n_addrs; /* len of addrs, may be 0 */
- struct route_ipv6_gateway_address addrs[RGI_N_ADDRESSES]; /* local addresses attached to iface */
+ /* address/netmask pairs bound to interface */
+#define RGI_N_ADDRESSES 8
+ int n_addrs; /* len of addrs, may be 0 */
+ struct route_ipv6_gateway_address addrs[RGI_N_ADDRESSES]; /* local addresses attached to iface */
};
struct route_list {
-# define RL_DID_REDIRECT_DEFAULT_GATEWAY (1<<0)
-# define RL_DID_LOCAL (1<<1)
-# define RL_ROUTES_ADDED (1<<2)
- unsigned int iflags;
-
- struct route_special_addr spec;
- struct route_gateway_info rgi;
- unsigned int flags; /* RG_x flags */
- struct route_ipv4 *routes;
- struct gc_arena gc;
+#define RL_DID_REDIRECT_DEFAULT_GATEWAY (1<<0)
+#define RL_DID_LOCAL (1<<1)
+#define RL_ROUTES_ADDED (1<<2)
+ unsigned int iflags;
+
+ struct route_special_addr spec;
+ struct route_gateway_info rgi;
+ unsigned int flags; /* RG_x flags */
+ struct route_ipv4 *routes;
+ struct gc_arena gc;
};
struct route_ipv6_list {
- unsigned int iflags; /* RL_ flags, see route_list */
+ unsigned int iflags; /* RL_ flags, see route_list */
- unsigned int spec_flags; /* RTSA_ flags, route_special_addr */
- struct in6_addr remote_endpoint_ipv6; /* inside tun */
- struct in6_addr remote_host_ipv6; /* --remote address */
- int default_metric;
+ unsigned int spec_flags; /* RTSA_ flags, route_special_addr */
+ struct in6_addr remote_endpoint_ipv6; /* inside tun */
+ struct in6_addr remote_host_ipv6; /* --remote address */
+ int default_metric;
- struct route_ipv6_gateway_info rgi6;
- unsigned int flags; /* RG_x flags, see route_option_list */
- struct route_ipv6 *routes_ipv6;
- struct gc_arena gc;
+ struct route_ipv6_gateway_info rgi6;
+ unsigned int flags; /* RG_x flags, see route_option_list */
+ struct route_ipv6 *routes_ipv6;
+ struct gc_arena gc;
};
#if P2MP
/* internal OpenVPN route */
struct iroute {
- in_addr_t network;
- int netbits;
- struct iroute *next;
+ in_addr_t network;
+ int netbits;
+ struct iroute *next;
};
struct iroute_ipv6 {
- struct in6_addr network;
- unsigned int netbits;
- struct iroute_ipv6 *next;
+ struct in6_addr network;
+ unsigned int netbits;
+ struct iroute_ipv6 *next;
};
#endif
-struct route_option_list *new_route_option_list (struct gc_arena *a);
-struct route_ipv6_option_list *new_route_ipv6_option_list (struct gc_arena *a);
-
-struct route_option_list *clone_route_option_list (const struct route_option_list *src, struct gc_arena *a);
-struct route_ipv6_option_list *clone_route_ipv6_option_list (const struct route_ipv6_option_list *src, struct gc_arena *a);
-void copy_route_option_list (struct route_option_list *dest, const struct route_option_list *src, struct gc_arena *a);
-void copy_route_ipv6_option_list (struct route_ipv6_option_list *dest,
- const struct route_ipv6_option_list *src,
- struct gc_arena *a);
-
-void add_route_ipv6 (struct route_ipv6 *r, const struct tuntap *tt, unsigned int flags, const struct env_set *es);
-void delete_route_ipv6 (const struct route_ipv6 *r, const struct tuntap *tt, unsigned int flags, const struct env_set *es);
-
-void add_route (struct route_ipv4 *r,
- const struct tuntap *tt,
- unsigned int flags,
- const struct route_gateway_info *rgi,
- const struct env_set *es);
-
-void add_route_to_option_list (struct route_option_list *l,
- const char *network,
- const char *netmask,
- const char *gateway,
- const char *metric);
-
-void add_route_ipv6_to_option_list (struct route_ipv6_option_list *l,
- const char *prefix,
- const char *gateway,
- const char *metric);
-
-bool init_route_list (struct route_list *rl,
- const struct route_option_list *opt,
- const char *remote_endpoint,
- int default_metric,
- in_addr_t remote_host,
- struct env_set *es);
-
-bool init_route_ipv6_list (struct route_ipv6_list *rl6,
- const struct route_ipv6_option_list *opt6,
- const char *remote_endpoint,
- int default_metric,
- const struct in6_addr *remote_host,
- struct env_set *es);
-
-void route_list_add_vpn_gateway (struct route_list *rl,
- struct env_set *es,
- const in_addr_t addr);
-
-void add_routes (struct route_list *rl,
- struct route_ipv6_list *rl6,
- const struct tuntap *tt,
- unsigned int flags,
- const struct env_set *es);
-
-void delete_routes (struct route_list *rl,
- struct route_ipv6_list *rl6,
- const struct tuntap *tt,
- unsigned int flags,
- const struct env_set *es);
-
-void setenv_routes (struct env_set *es, const struct route_list *rl);
-void setenv_routes_ipv6 (struct env_set *es, const struct route_ipv6_list *rl6);
-
-
-
-bool is_special_addr (const char *addr_str);
-
-void get_default_gateway (struct route_gateway_info *rgi);
-void get_default_gateway_ipv6 (struct route_ipv6_gateway_info *rgi,
- const struct in6_addr *dest);
+struct route_option_list *new_route_option_list(struct gc_arena *a);
+
+struct route_ipv6_option_list *new_route_ipv6_option_list(struct gc_arena *a);
+
+struct route_option_list *clone_route_option_list(const struct route_option_list *src, struct gc_arena *a);
+
+struct route_ipv6_option_list *clone_route_ipv6_option_list(const struct route_ipv6_option_list *src, struct gc_arena *a);
+
+void copy_route_option_list(struct route_option_list *dest, const struct route_option_list *src, struct gc_arena *a);
+
+void copy_route_ipv6_option_list(struct route_ipv6_option_list *dest,
+ const struct route_ipv6_option_list *src,
+ struct gc_arena *a);
+
+void add_route_ipv6(struct route_ipv6 *r, const struct tuntap *tt, unsigned int flags, const struct env_set *es);
+
+void delete_route_ipv6(const struct route_ipv6 *r, const struct tuntap *tt, unsigned int flags, const struct env_set *es);
+
+void add_route(struct route_ipv4 *r,
+ const struct tuntap *tt,
+ unsigned int flags,
+ const struct route_gateway_info *rgi,
+ const struct env_set *es);
+
+void add_route_to_option_list(struct route_option_list *l,
+ const char *network,
+ const char *netmask,
+ const char *gateway,
+ const char *metric);
+
+void add_route_ipv6_to_option_list(struct route_ipv6_option_list *l,
+ const char *prefix,
+ const char *gateway,
+ const char *metric);
+
+bool init_route_list(struct route_list *rl,
+ const struct route_option_list *opt,
+ const char *remote_endpoint,
+ int default_metric,
+ in_addr_t remote_host,
+ struct env_set *es);
+
+bool init_route_ipv6_list(struct route_ipv6_list *rl6,
+ const struct route_ipv6_option_list *opt6,
+ const char *remote_endpoint,
+ int default_metric,
+ const struct in6_addr *remote_host,
+ struct env_set *es);
+
+void route_list_add_vpn_gateway(struct route_list *rl,
+ struct env_set *es,
+ const in_addr_t addr);
+
+void add_routes(struct route_list *rl,
+ struct route_ipv6_list *rl6,
+ const struct tuntap *tt,
+ unsigned int flags,
+ const struct env_set *es);
+
+void delete_routes(struct route_list *rl,
+ struct route_ipv6_list *rl6,
+ const struct tuntap *tt,
+ unsigned int flags,
+ const struct env_set *es);
+
+void setenv_routes(struct env_set *es, const struct route_list *rl);
+
+void setenv_routes_ipv6(struct env_set *es, const struct route_ipv6_list *rl6);
+
+
+
+bool is_special_addr(const char *addr_str);
+
+void get_default_gateway(struct route_gateway_info *rgi);
+
+void get_default_gateway_ipv6(struct route_ipv6_gateway_info *rgi,
+ const struct in6_addr *dest);
+
void print_default_gateway(const int msglevel,
const struct route_gateway_info *rgi,
const struct route_ipv6_gateway_info *rgi6);
@@ -324,52 +332,66 @@ void print_default_gateway(const int msglevel,
#define TLA_NOT_IMPLEMENTED 0
#define TLA_NONLOCAL 1
#define TLA_LOCAL 2
-int test_local_addr (const in_addr_t addr, const struct route_gateway_info *rgi);
+int test_local_addr(const in_addr_t addr, const struct route_gateway_info *rgi);
#ifndef ENABLE_SMALL
-void print_route_options (const struct route_option_list *rol,
- int level);
+void print_route_options(const struct route_option_list *rol,
+ int level);
+
#endif
-void print_routes (const struct route_list *rl, int level);
+void print_routes(const struct route_list *rl, int level);
#ifdef _WIN32
-void show_routes (int msglev);
-bool test_routes (const struct route_list *rl, const struct tuntap *tt);
-bool add_route_ipapi (const struct route_ipv4 *r, const struct tuntap *tt, DWORD adapter_index);
-bool del_route_ipapi (const struct route_ipv4 *r, const struct tuntap *tt);
+void show_routes(int msglev);
-#else
-static inline bool test_routes (const struct route_list *rl, const struct tuntap *tt) { return true; }
+bool test_routes(const struct route_list *rl, const struct tuntap *tt);
+
+bool add_route_ipapi(const struct route_ipv4 *r, const struct tuntap *tt, DWORD adapter_index);
+
+bool del_route_ipapi(const struct route_ipv4 *r, const struct tuntap *tt);
+
+#else /* ifdef _WIN32 */
+static inline bool
+test_routes(const struct route_list *rl, const struct tuntap *tt) {
+ return true;
+}
#endif
-bool netmask_to_netbits (const in_addr_t network, const in_addr_t netmask, int *netbits);
-int netmask_to_netbits2 (in_addr_t netmask);
+bool netmask_to_netbits(const in_addr_t network, const in_addr_t netmask, int *netbits);
+
+int netmask_to_netbits2(in_addr_t netmask);
static inline in_addr_t
-netbits_to_netmask (const int netbits)
+netbits_to_netmask(const int netbits)
{
- const int addrlen = sizeof (in_addr_t) * 8;
- in_addr_t mask = 0;
- if (netbits > 0 && netbits <= addrlen)
- mask = IPV4_NETMASK_HOST << (addrlen-netbits);
- return mask;
+ const int addrlen = sizeof(in_addr_t) * 8;
+ in_addr_t mask = 0;
+ if (netbits > 0 && netbits <= addrlen)
+ {
+ mask = IPV4_NETMASK_HOST << (addrlen-netbits);
+ }
+ return mask;
}
static inline bool
-route_list_vpn_gateway_needed (const struct route_list *rl)
+route_list_vpn_gateway_needed(const struct route_list *rl)
{
- if (!rl)
- return false;
- else
- return !(rl->spec.flags & RTSA_REMOTE_ENDPOINT);
+ if (!rl)
+ {
+ return false;
+ }
+ else
+ {
+ return !(rl->spec.flags & RTSA_REMOTE_ENDPOINT);
+ }
}
static inline int
route_did_redirect_default_gateway(const struct route_list *rl)
{
- return rl && BOOL_CAST(rl->iflags & RL_DID_REDIRECT_DEFAULT_GATEWAY);
+ return rl && BOOL_CAST(rl->iflags & RL_DID_REDIRECT_DEFAULT_GATEWAY);
}
-#endif
+#endif /* ifndef ROUTE_H */