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authorAlberto Gonzalez Iniesta <agi@inittab.org>2016-11-21 09:37:33 +0100
committerAlberto Gonzalez Iniesta <agi@inittab.org>2016-11-21 09:37:33 +0100
commit20c8675ba46bda97330a4117c459a59a9f1c465e (patch)
treed888c714fb61947dd79dc44b64a4aaae2f70bfb7 /src/openvpn/route.h
parentffca24bed7a03d95585ad02278667abe75d8b272 (diff)
New upstream version 2.4~beta1upstream/2.4_beta1
Diffstat (limited to 'src/openvpn/route.h')
-rw-r--r--src/openvpn/route.h115
1 files changed, 76 insertions, 39 deletions
diff --git a/src/openvpn/route.h b/src/openvpn/route.h
index fe9b461..c358681 100644
--- a/src/openvpn/route.h
+++ b/src/openvpn/route.h
@@ -33,15 +33,14 @@
#include "tun.h"
#include "misc.h"
-#define MAX_ROUTES_DEFAULT 100
-
-#ifdef WIN32
+#ifdef _WIN32
/*
* Windows route methods
*/
#define ROUTE_METHOD_ADAPTIVE 0 /* try IP helper first then route.exe */
#define ROUTE_METHOD_IPAPI 1 /* use IP helper API */
#define ROUTE_METHOD_EXE 2 /* use route.exe */
+#define ROUTE_METHOD_SERVICE 3 /* use the privileged Windows service */
#define ROUTE_METHOD_MASK 3
#endif
@@ -74,6 +73,7 @@ struct route_special_addr
};
struct route_option {
+ struct route_option *next;
const char *network;
const char *netmask;
const char *gateway;
@@ -92,28 +92,28 @@ struct route_option {
struct route_option_list {
unsigned int flags; /* RG_x flags */
- int capacity;
- int n;
- struct route_option routes[EMPTY_ARRAY_SIZE];
+ 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_list {
- unsigned int flags;
- int capacity;
- int n;
- struct route_ipv6_option routes_ipv6[EMPTY_ARRAY_SIZE];
+ 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;
@@ -123,26 +123,18 @@ struct route_ipv4 {
};
struct route_ipv6 {
- bool defined;
+ struct route_ipv6 *next;
+ unsigned int flags; /* RT_ flags, see route_ipv4 */
struct in6_addr network;
unsigned int netbits;
struct in6_addr gateway;
- bool metric_defined;
int metric;
-};
-
-struct route_ipv6_list {
- bool routes_added;
- unsigned int flags;
- int default_metric;
- bool default_metric_defined;
- struct in6_addr remote_endpoint_ipv6;
- bool remote_endpoint_defined;
- bool did_redirect_default_gateway; /* TODO (?) */
- bool did_local; /* TODO (?) */
- int capacity;
- int n;
- struct route_ipv6 routes_ipv6[EMPTY_ARRAY_SIZE];
+ /* gateway interface */
+# ifdef _WIN32
+ DWORD adapter_index; /* interface or ~0 if undefined */
+#else
+ char * iface; /* interface name (null terminated) */
+#endif
};
@@ -161,7 +153,7 @@ struct route_gateway_info {
unsigned int flags;
/* gateway interface */
-# ifdef WIN32
+# ifdef _WIN32
DWORD adapter_index; /* interface or ~0 if undefined */
#else
char iface[16]; /* interface name (null terminated), may be empty */
@@ -179,6 +171,34 @@ struct route_gateway_info {
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 route_ipv6_gateway_info {
+/* RGI_ flags used as in route_gateway_info */
+ 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 */
+#endif
+
+ /* gateway interface hardware address */
+ uint8_t hwaddr[6];
+
+ /* 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 */
+};
+
struct route_list {
# define RL_DID_REDIRECT_DEFAULT_GATEWAY (1<<0)
# define RL_DID_LOCAL (1<<1)
@@ -188,9 +208,22 @@ struct route_list {
struct route_special_addr spec;
struct route_gateway_info rgi;
unsigned int flags; /* RG_x flags */
- int capacity;
- int n;
- struct route_ipv4 routes[EMPTY_ARRAY_SIZE];
+ struct route_ipv4 *routes;
+ struct gc_arena gc;
+};
+
+struct route_ipv6_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;
+
+ 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
@@ -208,17 +241,15 @@ struct iroute_ipv6 {
};
#endif
-struct route_option_list *new_route_option_list (const int max_routes, struct gc_arena *a);
-struct route_ipv6_option_list *new_route_ipv6_option_list (const int max_routes, struct gc_arena *a);
+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);
+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 route_list *new_route_list (const int max_routes, struct gc_arena *a);
-struct route_ipv6_list *new_route_ipv6_list (const int max_routes, struct gc_arena *a);
+ 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);
@@ -251,6 +282,7 @@ 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,
@@ -277,7 +309,11 @@ 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 print_default_gateway(const int msglevel, const 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);
/*
* Test if addr is reachable via a local interface (return ILA_LOCAL),
@@ -297,7 +333,7 @@ void print_route_options (const struct route_option_list *rol,
void print_routes (const struct route_list *rl, int level);
-#ifdef WIN32
+#ifdef _WIN32
void show_routes (int msglev);
bool test_routes (const struct route_list *rl, const struct tuntap *tt);
@@ -309,6 +345,7 @@ static inline bool test_routes (const struct route_list *rl, const struct tuntap
#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);
static inline in_addr_t
netbits_to_netmask (const int netbits)