dco_win.c File Reference

#include "syshead.h"
#include "dco.h"
#include "tun.h"
#include "crypto.h"
#include "ssl_common.h"
#include "openvpn.h"
#include <bcrypt.h>
#include <winsock2.h>
#include <ws2tcpip.h>

Include dependency graph for dco_win.c:

Go to the source code of this file.

Functions
struct tuntap	create_dco_handle (const char *devname, struct gc_arena *gc)
bool	ovpn_dco_init (int mode, dco_context_t *dco)
int	open_tun_dco (struct tuntap *tt, openvpn_net_ctx_t *ctx, const char *dev)
static void	dco_wait_ready (DWORD idx)
void	dco_start_tun (struct tuntap *tt)
static void	dco_connect_wait (HANDLE handle, OVERLAPPED *ov, int timeout, struct signal_info *sig_info)
void	dco_create_socket (HANDLE handle, struct addrinfo *remoteaddr, bool bind_local, struct addrinfo *bind, int timeout, struct signal_info *sig_info)
int	dco_new_peer (dco_context_t *dco, unsigned int peerid, int sd, struct sockaddr *localaddr, struct sockaddr *remoteaddr, struct in_addr *remote_in4, struct in6_addr *remote_in6)
int	dco_del_peer (dco_context_t *dco, unsigned int peerid)
int	dco_set_peer (dco_context_t *dco, unsigned int peerid, int keepalive_interval, int keepalive_timeout, int mss)
int	dco_new_key (dco_context_t *dco, unsigned int peerid, int keyid, dco_key_slot_t slot, const uint8_t *encrypt_key, const uint8_t *encrypt_iv, const uint8_t *decrypt_key, const uint8_t *decrypt_iv, const char *ciphername)
int	dco_del_key (dco_context_t *dco, unsigned int peerid, dco_key_slot_t slot)
int	dco_swap_keys (dco_context_t *dco, unsigned int peer_id)
bool	dco_available (int msglevel)
const char *	dco_version_string (struct gc_arena *gc)
int	dco_do_read (dco_context_t *dco)
int	dco_get_peer_stats_multi (dco_context_t *dco, struct multi_context *m)
int	dco_get_peer_stats (struct context *c)
void	dco_event_set (dco_context_t *dco, struct event_set *es, void *arg)
const char *	dco_get_supported_ciphers ()

Function Documentation

create_dco_handle()

struct tuntap create_dco_handle	(	const char *	devname,
		struct gc_arena *	gc
	)

Definition at line 45 of file dco_win.c.

References tun_open_device(), tuntap::windows_driver, and WINDOWS_DRIVER_DCO.

Referenced by create_socket_dco_win().

dco_available()

bool dco_available

(

int

msglevel

)

Definition at line 360 of file dco_win.c.

References msg.

dco_connect_wait()

static void dco_connect_wait ( HANDLE  handle, OVERLAPPED *  ov, int  timeout, struct signal_info *  sig_info  )

static

Definition at line 107 of file dco_win.c.

References get_signal(), M_ERR, M_ERRNO, M_NONFATAL, management_sleep(), msg, register_signal(), and signal_info::signal_received.

Referenced by dco_create_socket().

dco_create_socket()

void dco_create_socket	(	HANDLE	handle,
		struct addrinfo *	remoteaddr,
		bool	bind_local,
		struct addrinfo *	bind,
		int	timeout,
		struct signal_info *	sig_info
	)

Definition at line 159 of file dco_win.c.

References _OVPN_NEW_PEER::Addr4, _OVPN_NEW_PEER::Addr6, addr_family_name(), ASSERT, bind_local(), D_DCO_DEBUG, dco_connect_wait(), _OVPN_NEW_PEER::Local, M_ERR, M_FATAL, msg, OVPN_IOCTL_NEW_PEER, OVPN_PROTO_TCP, OVPN_PROTO_UDP, _OVPN_NEW_PEER::Proto, and _OVPN_NEW_PEER::Remote.

Referenced by create_socket_dco_win().

dco_del_key()

int dco_del_key	(	dco_context_t *	dco,
		unsigned int	peerid,
		dco_key_slot_t	slot
	)

Definition at line 336 of file dco_win.c.

References D_DCO, and msg.

dco_del_peer()

int dco_del_peer	(	dco_context_t *	dco,
		unsigned int	peerid
	)

Definition at line 257 of file dco_win.c.

References D_DCO_DEBUG, M_ERRNO, M_WARN, msg, and OVPN_IOCTL_DEL_PEER.

dco_do_read()

int dco_do_read

(

dco_context_t *

dco

)

Definition at line 418 of file dco_win.c.

References ASSERT.

Referenced by process_incoming_dco().

dco_event_set()

void dco_event_set	(	dco_context_t *	dco,
		struct event_set *	es,
		void *	arg
	)

Definition at line 462 of file dco_win.c.

References ASSERT.

Referenced by io_wait_dowork(), and multi_tcp_wait().

dco_get_peer_stats()

int dco_get_peer_stats

(

struct context *

c

)

Definition at line 433 of file dco_win.c.

References context::c1, context::c2, context_2::dco_read_bytes, context_2::dco_write_bytes, tuntap::hand, M_ERRNO, M_WARN, msg, OVPN_IOCTL_GET_STATS, _OVPN_STATS::TransportBytesReceived, _OVPN_STATS::TransportBytesSent, context_2::tun_read_bytes, context_2::tun_write_bytes, _OVPN_STATS::TunBytesReceived, _OVPN_STATS::TunBytesSent, context_1::tuntap, and tuntap_defined().

Referenced by check_inactivity_timeout(), man_persist_client_stats(), management_check_bytecount(), and print_status().

dco_get_peer_stats_multi()

int dco_get_peer_stats_multi	(	dco_context_t *	dco,
		struct multi_context *	m
	)

Definition at line 426 of file dco_win.c.

Referenced by multi_print_status(), and setenv_stats().

dco_get_supported_ciphers()

const char* dco_get_supported_ciphers

(

)

Definition at line 469 of file dco_win.c.

References status.

Referenced by options_postprocess_setdefault_ncpciphers().

dco_new_key()

int dco_new_key	(	dco_context_t *	dco,
		unsigned int	peerid,
		int	keyid,
		dco_key_slot_t	slot,
		const uint8_t *	encrypt_key,
		const uint8_t *	encrypt_iv,
		const uint8_t *	decrypt_key,
		const uint8_t *	decrypt_iv,
		const char *	ciphername
	)

Definition at line 295 of file dco_win.c.

References ASSERT, cipher_kt_key_size(), _OVPN_CRYPTO_DATA::CipherAlg, D_DCO_DEBUG, _OVPN_CRYPTO_DATA::Decrypt, _OVPN_CRYPTO_DATA::Encrypt, _OVPN_KEY_DIRECTION::Key, _OVPN_CRYPTO_DATA::KeyId, _OVPN_KEY_DIRECTION::KeyLen, _OVPN_CRYPTO_DATA::KeySlot, M_ERR, msg, _OVPN_KEY_DIRECTION::NonceTail, OVPN_IOCTL_NEW_KEY, and _OVPN_CRYPTO_DATA::PeerId.

dco_new_peer()

int dco_new_peer	(	dco_context_t *	dco,
		unsigned int	peerid,
		int	sd,
		struct sockaddr *	localaddr,
		struct sockaddr *	remoteaddr,
		struct in_addr *	remote_in4,
		struct in6_addr *	remote_in6
	)

Definition at line 248 of file dco_win.c.

References D_DCO_DEBUG, and msg.

dco_set_peer()

int dco_set_peer	(	dco_context_t *	dco,
		unsigned int	peerid,
		int	keepalive_interval,
		int	keepalive_timeout,
		int	mss
	)

Definition at line 272 of file dco_win.c.

References D_DCO_DEBUG, _OVPN_SET_PEER::KeepaliveInterval, _OVPN_SET_PEER::KeepaliveTimeout, M_ERRNO, M_WARN, msg, _OVPN_SET_PEER::MSS, and OVPN_IOCTL_SET_PEER.

Referenced by multi_client_setup_dco_initial(), and p2p_set_dco_keepalive().

dco_start_tun()

void dco_start_tun

(

struct tuntap *

tt

)

Definition at line 84 of file dco_win.c.

References tuntap::adapter_index, D_DCO_DEBUG, tuntap::dco, dco_wait_ready(), tuntap::hand, M_ERR, msg, and OVPN_IOCTL_START_VPN.

Referenced by init_tun_post().

dco_swap_keys()

int dco_swap_keys	(	dco_context_t *	dco,
		unsigned int	peer_id
	)

Definition at line 345 of file dco_win.c.

References D_DCO_DEBUG, M_ERR, msg, and OVPN_IOCTL_SWAP_KEYS.

dco_version_string()

const char* dco_version_string

(

struct gc_arena *

gc

)

Definition at line 387 of file dco_win.c.

References alloc_buf_gc(), BSTR, buf_printf(), _OVPN_VERSION::Major, _OVPN_VERSION::Minor, OVPN_IOCTL_GET_VERSION, and _OVPN_VERSION::Patch.

Referenced by show_dco_version().

dco_wait_ready()

static void dco_wait_ready ( DWORD  idx )

static

Definition at line 69 of file dco_win.c.

References D_DCO_DEBUG, and msg.

Referenced by dco_start_tun().

open_tun_dco()

int open_tun_dco	(	struct tuntap *	tt,
		openvpn_net_ctx_t *	ctx,
		const char *	dev
	)

Definition at line 62 of file dco_win.c.

References ASSERT.

ovpn_dco_init()

bool ovpn_dco_init	(	int	mode,
		dco_context_t *	dco
	)

Definition at line 56 of file dco_win.c.

Referenced by do_open_tun().