tuntap-windows.c File Reference

#include <sys/types.h>
#include <windows.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include <strsafe.h>
#include "tuntap.h"

Macros
#define	TAP_CONTROL_CODE(request, method)   CTL_CODE(FILE_DEVICE_UNKNOWN, request, method, FILE_ANY_ACCESS)
#define	TAP_IOCTL_GET_MAC   TAP_CONTROL_CODE (1, METHOD_BUFFERED)
#define	TAP_IOCTL_GET_VERSION   TAP_CONTROL_CODE (2, METHOD_BUFFERED)
#define	TAP_IOCTL_GET_MTU   TAP_CONTROL_CODE (3, METHOD_BUFFERED)
#define	TAP_IOCTL_GET_INFO   TAP_CONTROL_CODE (4, METHOD_BUFFERED)
#define	TAP_IOCTL_CONFIG_POINT_TO_POINT   TAP_CONTROL_CODE (5, METHOD_BUFFERED)
#define	TAP_IOCTL_SET_MEDIA_STATUS   TAP_CONTROL_CODE (6, METHOD_BUFFERED)
#define	TAP_IOCTL_CONFIG_DHCP_MASQ   TAP_CONTROL_CODE (7, METHOD_BUFFERED)
#define	TAP_IOCTL_GET_LOG_LINE   TAP_CONTROL_CODE (8, METHOD_BUFFERED)
#define	TAP_IOCTL_CONFIG_DHCP_SET_OPT   TAP_CONTROL_CODE (9, METHOD_BUFFERED)
#define	TAP_IOCTL_CONFIG_TUN   TAP_CONTROL_CODE (10, METHOD_BUFFERED)
#define	MAX_KEY_LENGTH   255
#define	MAX_VALUE_NAME   16383
#define	NETWORK_ADAPTERS   "SYSTEM\\CurrentControlSet\\Control\\Class\\{4D36E972-E325-11CE-BFC1-08002BE10318}"

Typedefs
typedef unsigned long	IPADDR

Functions
void	tuntap_sys_destroy (struct device *dev)
int	tuntap_start (struct device *dev, int mode, int tun)
void	tuntap_release (struct device *dev)
char *	tuntap_get_hwaddr (struct device *dev)
int	tuntap_set_hwaddr (struct device *dev, const char *hwaddr)
int	tuntap_up (struct device *dev)
int	tuntap_down (struct device *dev)
int	tuntap_get_mtu (struct device *dev)
int	tuntap_set_mtu (struct device *dev, int mtu)
int	tuntap_sys_set_ipv4 (struct device *dev, t_tun_in_addr *s, uint32_t mask)
int	tuntap_sys_set_ipv6 (struct device *dev, t_tun_in6_addr *s, uint32_t mask)
int	tuntap_read (struct device *dev, void *buf, size_t size)
int	tuntap_write (struct device *dev, void *buf, size_t size)
int	tuntap_get_readable (struct device *dev)
int	tuntap_set_nonblocking (struct device *dev, int set)
int	tuntap_set_debug (struct device *dev, int set)
int	tuntap_set_descr (struct device *dev, const char *descr)
int	tuntap_set_ifname (struct device *dev, const char *name)

Macro Definition Documentation

#define MAX_KEY_LENGTH   255

#define MAX_VALUE_NAME   16383

#define NETWORK_ADAPTERS   "SYSTEM\\CurrentControlSet\\Control\\Class\\{4D36E972-E325-11CE-BFC1-08002BE10318}"

Referenced by tuntap_start().

#define TAP_CONTROL_CODE	(		request,
			method
	)		CTL_CODE(FILE_DEVICE_UNKNOWN, request, method, FILE_ANY_ACCESS)

#define TAP_IOCTL_CONFIG_DHCP_MASQ   TAP_CONTROL_CODE (7, METHOD_BUFFERED)

Referenced by tuntap_sys_set_ipv4().

#define TAP_IOCTL_CONFIG_DHCP_SET_OPT   TAP_CONTROL_CODE (9, METHOD_BUFFERED)

#define TAP_IOCTL_CONFIG_POINT_TO_POINT   TAP_CONTROL_CODE (5, METHOD_BUFFERED)

#define TAP_IOCTL_CONFIG_TUN   TAP_CONTROL_CODE (10, METHOD_BUFFERED)

#define TAP_IOCTL_GET_INFO   TAP_CONTROL_CODE (4, METHOD_BUFFERED)

#define TAP_IOCTL_GET_LOG_LINE   TAP_CONTROL_CODE (8, METHOD_BUFFERED)

#define TAP_IOCTL_GET_MAC   TAP_CONTROL_CODE (1, METHOD_BUFFERED)

Referenced by tuntap_get_hwaddr().

#define TAP_IOCTL_GET_MTU   TAP_CONTROL_CODE (3, METHOD_BUFFERED)

Referenced by tuntap_get_mtu().

#define TAP_IOCTL_GET_VERSION   TAP_CONTROL_CODE (2, METHOD_BUFFERED)

#define TAP_IOCTL_SET_MEDIA_STATUS   TAP_CONTROL_CODE (6, METHOD_BUFFERED)

Typedef Documentation

typedef unsigned long IPADDR

Function Documentation

int tuntap_down

(

struct device *

dev

)

References device::ctrl_sock, device::flags, if(), and device::if_name.

char* tuntap_get_hwaddr

(

struct device *

dev

)

References device::hwaddr, TAP_IOCTL_GET_MAC, device::tun_fd, tuntap_log, TUNTAP_LOG_DEBUG, and TUNTAP_LOG_ERR.

int tuntap_get_mtu

(

struct device *

dev

)

References device::ctrl_sock, device::if_name, TAP_IOCTL_GET_MTU, device::tun_fd, tuntap_log, TUNTAP_LOG_ERR, and TUNTAP_LOG_NOTICE.

int tuntap_get_readable

(

struct device *

dev

)

References device::tun_fd, tuntap_get_mtu(), tuntap_log, TUNTAP_LOG_INFO, and TUNTAP_LOG_NOTICE.

int tuntap_read	(	struct device *	dev,
		void *	buf,
		size_t	size
	)

References device::tun_fd, tuntap_log, TUNTAP_LOG_ERR, TUNTAP_LOG_NOTICE, and TUNTAP_LOG_WARN.

void tuntap_release

(

struct device *

dev

)

References device::ctrl_sock, free(), and device::tun_fd.

int tuntap_set_debug	(	struct device *	dev,
		int	set
	)

References device::tun_fd, tuntap_log, TUNTAP_LOG_ERR, TUNTAP_LOG_NOTICE, and TUNTAP_LOG_WARN.

int tuntap_set_descr	(	struct device *	dev,
		const char *	descr
	)

References IF_DESCRSIZE, tuntap_log, TUNTAP_LOG_ERR, TUNTAP_LOG_NOTICE, TUNTAP_LOG_WARN, and tuntap_sys_set_descr().

int tuntap_set_hwaddr	(	struct device *	dev,
		const char *	hwaddr
	)

References device::hwaddr, tuntap_log, TUNTAP_LOG_NOTICE, and tuntap_sys_set_hwaddr().

int tuntap_set_ifname	(	struct device *	dev,
		const char *	name
	)

References device::if_name, IF_NAMESIZE, tuntap_log, TUNTAP_LOG_ERR, TUNTAP_LOG_NOTICE, and tuntap_sys_set_ifname().

int tuntap_set_mtu	(	struct device *	dev,
		int	mtu
	)

References device::ctrl_sock, device::if_name, device::tun_fd, tuntap_log, TUNTAP_LOG_ERR, and TUNTAP_LOG_NOTICE.

int tuntap_set_nonblocking	(	struct device *	dev,
		int	set
	)

References device::tun_fd, tuntap_log, TUNTAP_LOG_ERR, and TUNTAP_LOG_NOTICE.

int tuntap_start	(	struct device *	dev,
		int	mode,
		int	tun
	)

References device::ctrl_sock, fd, NETWORK_ADAPTERS, device::tun_fd, TUNFD_INVALID_VALUE, TUNTAP_ID_ANY, tuntap_log, TUNTAP_LOG_ERR, TUNTAP_LOG_NOTICE, TUNTAP_MODE_ETHERNET, TUNTAP_MODE_PERSIST, TUNTAP_MODE_TUNNEL, tuntap_set_debug(), and tuntap_sys_start().

void tuntap_sys_destroy

(

struct device *

dev

)

int tuntap_sys_set_ipv4	(	struct device *	dev,
		t_tun_in_addr *	s,
		uint32_t	mask
	)

References TAP_IOCTL_CONFIG_DHCP_MASQ, device::tun_fd, tuntap_log, and TUNTAP_LOG_ERR.

int tuntap_sys_set_ipv6	(	struct device *	dev,
		t_tun_in6_addr *	s,
		uint32_t	mask
	)

References tuntap_log, TUNTAP_LOG_INFO, and TUNTAP_LOG_NOTICE.

int tuntap_up

(

struct device *

dev

)

References device::ctrl_sock, device::flags, if(), and device::if_name.

int tuntap_write	(	struct device *	dev,
		void *	buf,
		size_t	size
	)

References device::tun_fd, tuntap_log, TUNTAP_LOG_ERR, TUNTAP_LOG_NOTICE, and TUNTAP_LOG_WARN.