#include "service.h"
#include <ws2tcpip.h>
#include <iphlpapi.h>
#include <userenv.h>
#include <accctrl.h>
#include <aclapi.h>
#include <stdio.h>
#include <sddl.h>
#include <shellapi.h>
#include <mstcpip.h>
#include <inttypes.h>
#include <versionhelpers.h>
#include "openvpn-msg.h"
#include "validate.h"
#include "wfp_block.h"
#include "ring_buffer.h"

Include dependency graph for interactive.c:

Data Structures
struct	STARTUP_DATA

struct	_list_item

struct	wfp_block_data_t

struct	ring_buffer_maps_t

union	pipe_message_t

Macros
#define	IO_TIMEOUT 2000 /ms/

#define	ERROR_OPENVPN_STARTUP 0x20000000

#define	ERROR_STARTUP_DATA 0x20000001

#define	ERROR_MESSAGE_DATA 0x20000002

#define	ERROR_MESSAGE_TYPE 0x20000003

#define	RDNS_TIMEOUT 600 /* seconds to wait for the semaphore */

#define	TUN_IOCTL_REGISTER_RINGS CTL_CODE(51820U, 0x970U, METHOD_BUFFERED, FILE_READ_DATA \| FILE_WRITE_DATA)

Typedefs
typedef struct _list_item	list_item_t

typedef list_item_t *	undo_lists_t[_undo_type_max]

typedef BOOL(*	match_fn_t) (LPVOID item, LPVOID ctx)

Enumerations
enum	undo_type_t { address, route, wfp_block, undo_dns4, undo_dns6, undo_domain, undo_ring_buffer, undo_wins, _undo_type_max }

enum	async_op_t { peek, read, write }

Functions
static DWORD	AddListItem (list_item_t **pfirst, LPVOID data)

static LPVOID	RemoveListItem (list_item_t **pfirst, match_fn_t match, LPVOID ctx)

static HANDLE	CloseHandleEx (LPHANDLE handle)

static void	OvpnUnmapViewOfFile (struct tun_ring **ring)

static void	UnmapRingBuffer (ring_buffer_maps_t *ring_buffer_maps)

static HANDLE	InitOverlapped (LPOVERLAPPED overlapped)

static BOOL	ResetOverlapped (LPOVERLAPPED overlapped)

static DWORD	AsyncPipeOp (async_op_t op, HANDLE pipe, LPVOID buffer, DWORD size, DWORD count, LPHANDLE events)

static DWORD	PeekNamedPipeAsync (HANDLE pipe, DWORD count, LPHANDLE events)

static DWORD	ReadPipeAsync (HANDLE pipe, LPVOID buffer, DWORD size, DWORD count, LPHANDLE events)

static DWORD	WritePipeAsync (HANDLE pipe, LPVOID data, DWORD size, DWORD count, LPHANDLE events)

static VOID	ReturnProcessId (HANDLE pipe, DWORD pid, DWORD count, LPHANDLE events)

static VOID	ReturnError (HANDLE pipe, DWORD error, LPCWSTR func, DWORD count, LPHANDLE events)

static VOID	ReturnLastError (HANDLE pipe, LPCWSTR func)

static BOOL	ValidateOptions (HANDLE pipe, const WCHAR workdir, const WCHAR options, WCHAR *errmsg, DWORD capacity)

static BOOL	GetStartupData (HANDLE pipe, STARTUP_DATA *sud)

static VOID	FreeStartupData (STARTUP_DATA *sud)

static SOCKADDR_INET	sockaddr_inet (short family, inet_address_t *addr)

static DWORD	InterfaceLuid (const char *iface_name, PNET_LUID luid)

static DWORD	ConvertInterfaceNameToIndex (const wchar_t ifname, NET_IFINDEX index)

static BOOL	CmpAddress (LPVOID item, LPVOID address)

static DWORD	DeleteAddress (PMIB_UNICASTIPADDRESS_ROW addr_row)

static DWORD	HandleAddressMessage (address_message_t msg, undo_lists_t lists)

static BOOL	CmpRoute (LPVOID item, LPVOID route)

static DWORD	DeleteRoute (PMIB_IPFORWARD_ROW2 fwd_row)

static DWORD	HandleRouteMessage (route_message_t msg, undo_lists_t lists)

static DWORD	HandleFlushNeighborsMessage (flush_neighbors_message_t *msg)

static void	BlockDNSErrHandler (DWORD err, const char *msg)

static BOOL	CmpAny (LPVOID item, LPVOID any)

static DWORD	DeleteWfpBlock (const wfp_block_message_t msg, undo_lists_t lists)

static DWORD	AddWfpBlock (const wfp_block_message_t msg, undo_lists_t lists)

static DWORD	HandleWfpBlockMessage (const wfp_block_message_t msg, undo_lists_t lists)

static DWORD	ExecCommand (const WCHAR argv0, const WCHAR cmdline, DWORD timeout)

static DWORD WINAPI	RegisterDNS (LPVOID unused)

static DWORD	HandleRegisterDNSMessage (void)

static DWORD	netsh_dns_cmd (const wchar_t action, const wchar_t proto, const wchar_t if_name, const wchar_t addr)
	Run the command: netsh interface $proto $action dns $if_name $addr [validate=no]. More...

static DWORD	netsh_wins_cmd (const wchar_t action, const wchar_t if_name, const wchar_t *addr)
	Run the command: netsh interface ip $action wins $if_name [static] $addr. More...

static DWORD	wmic_nicconfig_cmd (const wchar_t action, const NET_IFINDEX if_index, const wchar_t data)
	Run command: wmic nicconfig (InterfaceIndex=$if_index) call $action ($data) More...

static DWORD	DeleteDNS (short family, wchar_t *if_name)

static DWORD	AddDNS (short family, wchar_t if_name, wchar_t addr)

static BOOL	CmpWString (LPVOID item, LPVOID str)

static DWORD	SetDNSDomain (const wchar_t if_name, const char domain, undo_lists_t *lists)
	Set interface specific DNS domain suffix. More...

static DWORD	HandleDNSConfigMessage (const dns_cfg_message_t msg, undo_lists_t lists)

static DWORD	HandleWINSConfigMessage (const wins_cfg_message_t msg, undo_lists_t lists)

static DWORD	HandleEnableDHCPMessage (const enable_dhcp_message_t *dhcp)

static DWORD	OvpnDuplicateHandle (HANDLE ovpn_proc, HANDLE orig_handle, HANDLE *new_handle)

static DWORD	DuplicateAndMapRing (HANDLE ovpn_proc, HANDLE orig_handle, struct tun_ring **ring)

static DWORD	HandleRegisterRingBuffers (const register_ring_buffers_message_t rrb, HANDLE ovpn_proc, undo_lists_t lists)

static DWORD	HandleMTUMessage (const set_mtu_message_t *mtu)

static VOID	HandleMessage (HANDLE pipe, HANDLE ovpn_proc, DWORD bytes, DWORD count, LPHANDLE events, undo_lists_t *lists)

static VOID	Undo (undo_lists_t *lists)

static DWORD WINAPI	RunOpenvpn (LPVOID p)

static DWORD WINAPI	ServiceCtrlInteractive (DWORD ctrl_code, DWORD event, LPVOID data, LPVOID ctx)

static HANDLE	CreateClientPipeInstance (VOID)

static DWORD	UpdateWaitHandles (LPHANDLE handles_ptr, LPDWORD count, HANDLE io_event, HANDLE exit_event, list_item_t threads)

static VOID	FreeWaitHandles (LPHANDLE h)

static BOOL	CmpHandle (LPVOID item, LPVOID hnd)

VOID WINAPI	ServiceStartInteractiveOwn (DWORD dwArgc, LPTSTR *lpszArgv)

VOID WINAPI	ServiceStartInteractive (DWORD dwArgc, LPTSTR *lpszArgv)

Variables
static SERVICE_STATUS_HANDLE	service

static SERVICE_STATUS	status = { .dwServiceType = SERVICE_WIN32_SHARE_PROCESS }

static HANDLE	exit_event = NULL

static settings_t	settings

static HANDLE	rdns_semaphore = NULL

openvpn_service_t	interactive_service

Macro Definition Documentation

◆ ERROR_MESSAGE_DATA

#define ERROR_MESSAGE_DATA 0x20000002

Definition at line 49 of file interactive.c.

◆ ERROR_MESSAGE_TYPE

#define ERROR_MESSAGE_TYPE 0x20000003

Definition at line 50 of file interactive.c.

◆ ERROR_OPENVPN_STARTUP

#define ERROR_OPENVPN_STARTUP 0x20000000

Definition at line 47 of file interactive.c.

◆ ERROR_STARTUP_DATA

#define ERROR_STARTUP_DATA 0x20000001

Definition at line 48 of file interactive.c.

◆ IO_TIMEOUT

#define IO_TIMEOUT 2000 /*ms*/

Definition at line 45 of file interactive.c.

◆ RDNS_TIMEOUT

#define RDNS_TIMEOUT 600 /* seconds to wait for the semaphore */

Definition at line 57 of file interactive.c.

◆ TUN_IOCTL_REGISTER_RINGS

#define TUN_IOCTL_REGISTER_RINGS CTL_CODE(51820U, 0x970U, METHOD_BUFFERED, FILE_READ_DATA | FILE_WRITE_DATA)

Definition at line 59 of file interactive.c.

Typedef Documentation

◆ list_item_t

typedef struct _list_item list_item_t

◆ match_fn_t

typedef BOOL(* match_fn_t) (LPVOID item, LPVOID ctx)

Definition at line 139 of file interactive.c.

◆ undo_lists_t

typedef list_item_t* undo_lists_t[_undo_type_max]

Definition at line 96 of file interactive.c.

Enumeration Type Documentation

◆ async_op_t

enum async_op_t

Enumerator
peek
read
write

Definition at line 216 of file interactive.c.

◆ undo_type_t

enum undo_type_t

Enumerator
address
route
wfp_block
undo_dns4
undo_dns6
undo_domain
undo_ring_buffer
undo_wins
_undo_type_max

Definition at line 85 of file interactive.c.

Function Documentation

◆ AddDNS()

static DWORD AddDNS	(	short	family,
		wchar_t *	if_name,
		wchar_t *	addr
	)

static

Definition at line 1211 of file interactive.c.

References netsh_dns_cmd().

Referenced by HandleDNSConfigMessage().

◆ AddListItem()

static DWORD AddListItem	(	list_item_t **	pfirst,
		LPVOID	data
	)

static

Definition at line 124 of file interactive.c.

References _list_item::data, and _list_item::next.

Referenced by AddWfpBlock(), HandleAddressMessage(), HandleDNSConfigMessage(), HandleRegisterRingBuffers(), HandleRouteMessage(), HandleWINSConfigMessage(), ServiceStartInteractive(), and SetDNSDomain().

◆ AddWfpBlock()

static DWORD AddWfpBlock	(	const wfp_block_message_t *	msg,
		undo_lists_t *	lists
	)

static

Definition at line 819 of file interactive.c.

References add_wfp_block_filters(), AddListItem(), BlockDNSErrHandler(), delete_wfp_block_filters(), DeleteWfpBlock(), wfp_block_data_t::engine, settings_t::exe_path, get_interface_metric(), wfp_block_data_t::index, wfp_block_data_t::metric_v4, wfp_block_data_t::metric_v6, msg, set_interface_metric(), settings, wfp_block, wfp_block_dns, and WFP_BLOCK_IFACE_METRIC.

Referenced by HandleWfpBlockMessage().

◆ AsyncPipeOp()

static DWORD AsyncPipeOp	(	async_op_t	op,
		HANDLE	pipe,
		LPVOID	buffer,
		DWORD	size,
		DWORD	count,
		LPHANDLE	events
	)

static

Definition at line 223 of file interactive.c.

References CloseHandleEx(), InitOverlapped(), IO_TIMEOUT, peek, and write.

Referenced by PeekNamedPipeAsync(), ReadPipeAsync(), and WritePipeAsync().

◆ BlockDNSErrHandler()

static void BlockDNSErrHandler	(	DWORD	err,
		const char *	msg
	)

static

Definition at line 760 of file interactive.c.

References M_ERR, msg, and MsgToEventLog().

Referenced by AddWfpBlock().

◆ CloseHandleEx()

static HANDLE CloseHandleEx ( LPHANDLE handle )

static

Definition at line 166 of file interactive.c.

Referenced by AsyncPipeOp(), DuplicateAndMapRing(), HandleRegisterRingBuffers(), RunOpenvpn(), and ServiceStartInteractive().

◆ CmpAddress()

static BOOL CmpAddress	(	LPVOID	item,
		LPVOID	address
	)

static

Definition at line 587 of file interactive.c.

References address.

Referenced by HandleAddressMessage().

◆ CmpAny()

static BOOL CmpAny	(	LPVOID	item,
		LPVOID	any
	)

static

Definition at line 784 of file interactive.c.

Referenced by DeleteWfpBlock(), and HandleRegisterRingBuffers().

◆ CmpHandle()

static BOOL CmpHandle	(	LPVOID	item,
		LPVOID	hnd
	)

static

Definition at line 2250 of file interactive.c.

Referenced by ServiceStartInteractive().

◆ CmpRoute()

static BOOL CmpRoute	(	LPVOID	item,
		LPVOID	route
	)

static

Definition at line 665 of file interactive.c.

References route.

Referenced by HandleRouteMessage().

◆ CmpWString()

static BOOL CmpWString	(	LPVOID	item,
		LPVOID	str
	)

static

Definition at line 1218 of file interactive.c.

Referenced by HandleDNSConfigMessage(), HandleWINSConfigMessage(), and SetDNSDomain().

◆ ConvertInterfaceNameToIndex()

static DWORD ConvertInterfaceNameToIndex	(	const wchar_t *	ifname,
		NET_IFINDEX *	index
	)

static

Definition at line 569 of file interactive.c.

References M_ERR, and MsgToEventLog().

Referenced by SetDNSDomain().

◆ CreateClientPipeInstance()

static HANDLE CreateClientPipeInstance ( VOID )

static

Definition at line 2143 of file interactive.c.

References M_SYSERR, MsgToEventLog(), PACKAGE, and service_instance.

Referenced by ServiceStartInteractive().

◆ DeleteAddress()

static DWORD DeleteAddress ( PMIB_UNICASTIPADDRESS_ROW addr_row )

static

Definition at line 593 of file interactive.c.

Referenced by HandleAddressMessage(), and Undo().

◆ DeleteDNS()

static DWORD DeleteDNS	(	short	family,
		wchar_t *	if_name
	)

static

Definition at line 1203 of file interactive.c.

References netsh_dns_cmd().

Referenced by HandleDNSConfigMessage(), and Undo().

◆ DeleteRoute()

static DWORD DeleteRoute ( PMIB_IPFORWARD_ROW2 fwd_row )

static

Definition at line 671 of file interactive.c.

Referenced by HandleRouteMessage(), and Undo().

◆ DeleteWfpBlock()

static DWORD DeleteWfpBlock	(	const wfp_block_message_t *	msg,
		undo_lists_t *	lists
	)

static

Definition at line 790 of file interactive.c.

References CmpAny(), delete_wfp_block_filters(), wfp_block_data_t::engine, M_ERR, wfp_block_data_t::metric_v4, wfp_block_data_t::metric_v6, msg, MsgToEventLog(), RemoveListItem(), set_interface_metric(), and wfp_block.

Referenced by AddWfpBlock(), and HandleWfpBlockMessage().

◆ DuplicateAndMapRing()

static DWORD DuplicateAndMapRing	(	HANDLE	ovpn_proc,
		HANDLE	orig_handle,
		struct tun_ring **	ring
	)

static

Definition at line 1504 of file interactive.c.

References CloseHandleEx(), M_SYSERR, MsgToEventLog(), and OvpnDuplicateHandle().

Referenced by HandleRegisterRingBuffers().

◆ ExecCommand()

static DWORD ExecCommand	(	const WCHAR *	argv0,
		const WCHAR *	cmdline,
		DWORD	timeout
	)

static

Definition at line 908 of file interactive.c.

References M_ERR, M_INFO, M_SYSERR, and MsgToEventLog().

Referenced by HandleEnableDHCPMessage(), netsh_dns_cmd(), netsh_wins_cmd(), RegisterDNS(), and wmic_nicconfig_cmd().

◆ FreeStartupData()

static VOID FreeStartupData ( STARTUP_DATA * sud )

static

Definition at line 527 of file interactive.c.

References STARTUP_DATA::directory.

Referenced by RunOpenvpn().

◆ FreeWaitHandles()

static VOID FreeWaitHandles ( LPHANDLE h )

static

Definition at line 2244 of file interactive.c.

Referenced by ServiceStartInteractive().

◆ GetStartupData()

static BOOL GetStartupData	(	HANDLE	pipe,
		STARTUP_DATA *	sud
	)

static

Definition at line 451 of file interactive.c.

References STARTUP_DATA::directory, ERROR_STARTUP_DATA, exit_event, M_ERR, M_SYSERR, MsgToEventLog(), STARTUP_DATA::options, PeekNamedPipeAsync(), read, ReadPipeAsync(), ReturnError(), ReturnLastError(), and STARTUP_DATA::std_input.

Referenced by RunOpenvpn().

◆ HandleAddressMessage()

static DWORD HandleAddressMessage	(	address_message_t *	msg,
		undo_lists_t *	lists
	)

static

Definition at line 599 of file interactive.c.

References AddListItem(), address, CmpAddress(), DeleteAddress(), InterfaceLuid(), msg, msg_add_address, RemoveListItem(), and sockaddr_inet().

Referenced by HandleMessage().

◆ HandleDNSConfigMessage()

static DWORD HandleDNSConfigMessage	(	const dns_cfg_message_t *	msg,
		undo_lists_t *	lists
	)

static

Definition at line 1272 of file interactive.c.

References AddDNS(), AddListItem(), CmpWString(), DeleteDNS(), dns_cfg_message_t::domains, ERROR_MESSAGE_DATA, dns_cfg_message_t::iface, msg, msg_del_dns_cfg, interface_t::name, RemoveListItem(), SetDNSDomain(), undo_dns4, undo_dns6, and utf8to16().

Referenced by HandleMessage().

◆ HandleEnableDHCPMessage()

static DWORD HandleEnableDHCPMessage ( const enable_dhcp_message_t * dhcp )

static

Definition at line 1451 of file interactive.c.

References ExecCommand(), and get_win_sys_path().

Referenced by HandleMessage().

◆ HandleFlushNeighborsMessage()

static DWORD HandleFlushNeighborsMessage ( flush_neighbors_message_t * msg )

static

Definition at line 749 of file interactive.c.

References msg.

Referenced by HandleMessage().

◆ HandleMessage()

static VOID HandleMessage	(	HANDLE	pipe,
		HANDLE	ovpn_proc,
		DWORD	bytes,
		DWORD	count,
		LPHANDLE	events,
		undo_lists_t *	lists
	)

static

Definition at line 1625 of file interactive.c.

References ERROR_MESSAGE_DATA, ERROR_MESSAGE_TYPE, ack_message_t::error_number, HandleAddressMessage(), HandleDNSConfigMessage(), HandleEnableDHCPMessage(), HandleFlushNeighborsMessage(), HandleMTUMessage(), HandleRegisterDNSMessage(), HandleRegisterRingBuffers(), HandleRouteMessage(), HandleWfpBlockMessage(), HandleWINSConfigMessage(), ack_message_t::header, message_header_t::message_id, msg, msg_acknowledgement, msg_add_address, msg_add_dns_cfg, msg_add_route, msg_add_wfp_block, msg_add_wins_cfg, msg_del_address, msg_del_dns_cfg, msg_del_route, msg_del_wfp_block, msg_del_wins_cfg, msg_enable_dhcp, MSG_FLAGS_ERROR, msg_flush_neighbors, msg_register_dns, msg_register_ring_buffers, msg_set_mtu, MsgToEventLog(), read, ReadPipeAsync(), message_header_t::type, and WritePipeAsync().

Referenced by RunOpenvpn().

◆ HandleMTUMessage()

static DWORD HandleMTUMessage ( const set_mtu_message_t * mtu )

static

Definition at line 1602 of file interactive.c.

References set_mtu_message_t::family, set_mtu_message_t::iface, interface_t::index, and set_mtu_message_t::mtu.

Referenced by HandleMessage().

◆ HandleRegisterDNSMessage()

static DWORD HandleRegisterDNSMessage ( void )

static

Definition at line 1014 of file interactive.c.

References RegisterDNS().

Referenced by HandleMessage().

◆ HandleRegisterRingBuffers()

static DWORD HandleRegisterRingBuffers	(	const register_ring_buffers_message_t *	rrb,
		HANDLE	ovpn_proc,
		undo_lists_t *	lists
	)

static

◆ HandleRouteMessage()

static DWORD HandleRouteMessage	(	route_message_t *	msg,
		undo_lists_t *	lists
	)

static

Definition at line 677 of file interactive.c.

References AddListItem(), CmpRoute(), DeleteRoute(), InterfaceLuid(), msg, msg_add_route, RemoveListItem(), route, and sockaddr_inet().

Referenced by HandleMessage().

◆ HandleWfpBlockMessage()

static DWORD HandleWfpBlockMessage	(	const wfp_block_message_t *	msg,
		undo_lists_t *	lists
	)

static

Definition at line 890 of file interactive.c.

References AddWfpBlock(), DeleteWfpBlock(), msg, and msg_add_wfp_block.

Referenced by HandleMessage().

◆ HandleWINSConfigMessage()

static DWORD HandleWINSConfigMessage	(	const wins_cfg_message_t *	msg,
		undo_lists_t *	lists
	)

static

Definition at line 1371 of file interactive.c.

References AddListItem(), CmpWString(), ERROR_MESSAGE_DATA, wins_cfg_message_t::iface, msg, msg_del_wins_cfg, interface_t::name, netsh_wins_cmd(), RemoveListItem(), undo_wins, and utf8to16().

Referenced by HandleMessage().

◆ InitOverlapped()

static HANDLE InitOverlapped ( LPOVERLAPPED overlapped )

static

Definition at line 194 of file interactive.c.

Referenced by AsyncPipeOp(), and ServiceStartInteractive().

◆ InterfaceLuid()

static DWORD InterfaceLuid	(	const char *	iface_name,
		PNET_LUID	luid
	)

static

Definition at line 551 of file interactive.c.

References status, and utf8to16().

Referenced by get_default_gateway_ipv6(), HandleAddressMessage(), and HandleRouteMessage().

◆ netsh_dns_cmd()

static DWORD netsh_dns_cmd	(	const wchar_t *	action,
		const wchar_t *	proto,
		const wchar_t *	if_name,
		const wchar_t *	addr
	)

static

Run the command: netsh interface $proto $action dns $if_name $addr [validate=no].

Parameters

action	"delete" or "add"
proto	"ipv6" or "ip"
if_name	"name_of_interface"
addr	IPv4 (for proto = ip) or IPv6 address as a string

If addr is null and action = "delete" all addresses are deleted.

Definition at line 1049 of file interactive.c.

References ExecCommand(), and get_win_sys_path().

Referenced by AddDNS(), and DeleteDNS().

◆ netsh_wins_cmd()

static DWORD netsh_wins_cmd	(	const wchar_t *	action,
		const wchar_t *	if_name,
		const wchar_t *	addr
	)

static

Run the command: netsh interface ip $action wins $if_name [static] $addr.

Parameters

action	"delete", "add" or "set"
if_name	"name_of_interface"
addr	IPv4 address as a string

If addr is null and action = "delete" all addresses are deleted. if action = "set" then "static" is added before $addr

Definition at line 1108 of file interactive.c.

References ExecCommand(), and get_win_sys_path().

Referenced by HandleWINSConfigMessage(), and Undo().

◆ OvpnDuplicateHandle()

static DWORD OvpnDuplicateHandle	(	HANDLE	ovpn_proc,
		HANDLE	orig_handle,
		HANDLE *	new_handle
	)

static

Definition at line 1489 of file interactive.c.

References M_SYSERR, and MsgToEventLog().

Referenced by DuplicateAndMapRing(), and HandleRegisterRingBuffers().

◆ OvpnUnmapViewOfFile()

static void OvpnUnmapViewOfFile ( struct tun_ring ** ring )

static

Definition at line 177 of file interactive.c.

Referenced by UnmapRingBuffer().

◆ PeekNamedPipeAsync()

static DWORD PeekNamedPipeAsync	(	HANDLE	pipe,
		DWORD	count,
		LPHANDLE	events
	)

static

Definition at line 287 of file interactive.c.

References AsyncPipeOp(), and peek.

Referenced by GetStartupData(), and RunOpenvpn().

◆ ReadPipeAsync()

static DWORD ReadPipeAsync	(	HANDLE	pipe,
		LPVOID	buffer,
		DWORD	size,
		DWORD	count,
		LPHANDLE	events
	)

static

Definition at line 293 of file interactive.c.

References AsyncPipeOp(), and read.

Referenced by GetStartupData(), and HandleMessage().

◆ RegisterDNS()

static DWORD WINAPI RegisterDNS ( LPVOID unused )

static

Definition at line 969 of file interactive.c.

References ExecCommand(), exit_event, get_win_sys_path(), M_ERR, M_SYSERR, MsgToEventLog(), rdns_semaphore, and RDNS_TIMEOUT.

Referenced by HandleRegisterDNSMessage().

◆ RemoveListItem()

static LPVOID RemoveListItem	(	list_item_t **	pfirst,
		match_fn_t	match,
		LPVOID	ctx
	)

static

Definition at line 142 of file interactive.c.

References _list_item::data, and _list_item::next.

Referenced by DeleteWfpBlock(), HandleAddressMessage(), HandleDNSConfigMessage(), HandleRegisterRingBuffers(), HandleRouteMessage(), HandleWINSConfigMessage(), ServiceStartInteractive(), and SetDNSDomain().

◆ ResetOverlapped()

static BOOL ResetOverlapped ( LPOVERLAPPED overlapped )

static

Definition at line 203 of file interactive.c.

Referenced by ServiceStartInteractive().

◆ ReturnError()

static VOID ReturnError	(	HANDLE	pipe,
		DWORD	error,
		LPCWSTR	func,
		DWORD	count,
		LPHANDLE	events
	)

static

Definition at line 320 of file interactive.c.

References ERROR_OPENVPN_STARTUP, MSG_FLAGS_ERROR, MsgToEventLog(), and WritePipeAsync().

Referenced by GetStartupData(), ReturnLastError(), RunOpenvpn(), and ServiceStartInteractive().

◆ ReturnLastError()

static VOID ReturnLastError	(	HANDLE	pipe,
		LPCWSTR	func
	)

static

Definition at line 359 of file interactive.c.

References exit_event, and ReturnError().

Referenced by GetStartupData(), and RunOpenvpn().

◆ ReturnProcessId()

static VOID ReturnProcessId	(	HANDLE	pipe,
		DWORD	pid,
		DWORD	count,
		LPHANDLE	events
	)

static

Definition at line 305 of file interactive.c.

References msg, and WritePipeAsync().

Referenced by RunOpenvpn().

◆ RunOpenvpn()

static DWORD WINAPI RunOpenvpn ( LPVOID p )

static

◆ ServiceCtrlInteractive()

static DWORD WINAPI ServiceCtrlInteractive	(	DWORD	ctrl_code,
		DWORD	event,
		LPVOID	data,
		LPVOID	ctx
	)

static

Definition at line 2119 of file interactive.c.

References exit_event, ReportStatusToSCMgr(), service, and status.

Referenced by ServiceStartInteractive().

◆ ServiceStartInteractive()

VOID WINAPI ServiceStartInteractive	(	DWORD	dwArgc,
		LPTSTR *	lpszArgv
	)

Definition at line 2265 of file interactive.c.

References AddListItem(), CloseHandleEx(), CmpHandle(), CreateClientPipeInstance(), exit_event, FreeWaitHandles(), GetOpenvpnSettings(), InitOverlapped(), interactive_service, M_SYSERR, MsgToEventLog(), openvpn_service_t::name, rdns_semaphore, RemoveListItem(), ReportStatusToSCMgr(), ResetOverlapped(), ReturnError(), RunOpenvpn(), service, ServiceCtrlInteractive(), settings, status, and UpdateWaitHandles().

Referenced by _tmain(), and ServiceStartInteractiveOwn().

◆ ServiceStartInteractiveOwn()

VOID WINAPI ServiceStartInteractiveOwn	(	DWORD	dwArgc,
		LPTSTR *	lpszArgv
	)

Definition at line 2257 of file interactive.c.

References ServiceStartInteractive(), and status.

Referenced by _tmain().

◆ SetDNSDomain()

static DWORD SetDNSDomain	(	const wchar_t *	if_name,
		const char *	domain,
		undo_lists_t *	lists
	)

static

Set interface specific DNS domain suffix.

Parameters

if_name	name of the interface
domain	a single domain name
lists	pointer to the undo lists. If NULL undo lists are not altered. Will delete the currently set value if domain is empty.

Definition at line 1232 of file interactive.c.

References AddListItem(), CmpWString(), ConvertInterfaceNameToIndex(), RemoveListItem(), undo_domain, utf8to16(), and wmic_nicconfig_cmd().

Referenced by HandleDNSConfigMessage(), and Undo().

◆ sockaddr_inet()

static SOCKADDR_INET sockaddr_inet	(	short	family,
		inet_address_t *	addr
	)

static

Definition at line 534 of file interactive.c.

References inet_address_t::ipv4, and inet_address_t::ipv6.

Referenced by HandleAddressMessage(), and HandleRouteMessage().

◆ Undo()

static VOID Undo ( undo_lists_t * lists )

static

Definition at line 1726 of file interactive.c.

References _undo_type_max, address, _list_item::data, delete_wfp_block_filters(), DeleteAddress(), DeleteDNS(), DeleteRoute(), wfp_block_data_t::engine, wfp_block_data_t::index, wfp_block_data_t::metric_v4, wfp_block_data_t::metric_v6, netsh_wins_cmd(), _list_item::next, route, set_interface_metric(), SetDNSDomain(), undo_dns4, undo_dns6, undo_domain, undo_ring_buffer, undo_wins, UnmapRingBuffer(), and wfp_block.

Referenced by RunOpenvpn().

◆ UnmapRingBuffer()

static void UnmapRingBuffer ( ring_buffer_maps_t * ring_buffer_maps )

static

Definition at line 187 of file interactive.c.

References OvpnUnmapViewOfFile(), ring_buffer_maps_t::receive_ring, and ring_buffer_maps_t::send_ring.

Referenced by HandleRegisterRingBuffers(), and Undo().

◆ UpdateWaitHandles()

static DWORD UpdateWaitHandles	(	LPHANDLE *	handles_ptr,
		LPDWORD	count,
		HANDLE	io_event,
		HANDLE	exit_event,
		list_item_t *	threads
	)

static

Definition at line 2194 of file interactive.c.

References _list_item::data, exit_event, _list_item::next, and pos().

Referenced by ServiceStartInteractive().

◆ ValidateOptions()

static BOOL ValidateOptions	(	HANDLE	pipe,
		const WCHAR *	workdir,
		const WCHAR *	options,
		WCHAR *	errmsg,
		DWORD	capacity
	)

static

Definition at line 370 of file interactive.c.

References CheckOption(), IsOption(), settings_t::ovpn_admin_group, and settings.

Referenced by RunOpenvpn().

◆ wmic_nicconfig_cmd()

static DWORD wmic_nicconfig_cmd	(	const wchar_t *	action,
		const NET_IFINDEX	if_index,
		const wchar_t *	data
	)

static

Run command: wmic nicconfig (InterfaceIndex=$if_index) call $action ($data)

Parameters

if_index	"index of interface"
action	e.g., "SetDNSDomain"
data	data if required for action a single word for SetDNSDomain, empty or NULL to delete comma separated values for a list

Definition at line 1164 of file interactive.c.

References ExecCommand(), and get_win_sys_path().

Referenced by SetDNSDomain().

◆ WritePipeAsync()

static DWORD WritePipeAsync	(	HANDLE	pipe,
		LPVOID	data,
		DWORD	size,
		DWORD	count,
		LPHANDLE	events
	)

static

Definition at line 299 of file interactive.c.

References AsyncPipeOp(), and write.

Referenced by HandleMessage(), ReturnError(), and ReturnProcessId().

Variable Documentation

◆ exit_event

HANDLE exit_event = NULL

static

Definition at line 54 of file interactive.c.

Referenced by GetStartupData(), RegisterDNS(), ReturnLastError(), RunOpenvpn(), ServiceCtrlInteractive(), ServiceStartInteractive(), and UpdateWaitHandles().

◆ interactive_service

openvpn_service_t interactive_service

Initial value:

= {
    interactive,
    TEXT(PACKAGE_NAME "ServiceInteractive"),
    TEXT(PACKAGE_NAME " Interactive Service"),
    TEXT(SERVICE_DEPENDENCIES),
    SERVICE_AUTO_START
}

Definition at line 61 of file interactive.c.

Referenced by _tmain(), and ServiceStartInteractive().

◆ rdns_semaphore

HANDLE rdns_semaphore = NULL

static

Definition at line 56 of file interactive.c.

Referenced by RegisterDNS(), and ServiceStartInteractive().

◆ service

SERVICE_STATUS_HANDLE service

static

Definition at line 52 of file interactive.c.

Referenced by CmdInstallServices(), CmdRemoveServices(), CmdStartService(), do_deferred_pam_auth(), pam_auth(), pam_server(), port_from_servname(), ReportStatusToSCMgr(), ServiceCtrlInteractive(), and ServiceStartInteractive().

◆ settings

settings_t settings

static

Definition at line 55 of file interactive.c.

Referenced by AddWfpBlock(), RunOpenvpn(), ServiceStartInteractive(), and ValidateOptions().

◆ status

SERVICE_STATUS status = { .dwServiceType = SERVICE_WIN32_SHARE_PROCESS }

static

Definition at line 53 of file interactive.c.

Referenced by add_route(), add_route_ipapi(), add_route_ipv6(), bio_write_post(), check_for_client_reason(), check_status(), close_tun(), CmdRemoveServices(), dco_get_supported_ciphers(), del_route_ipapi(), delete_route(), delete_temp_addresses(), dhcp_release_by_adapter_index(), dhcp_renew_by_adapter_index(), do_open_tun(), do_preresolve(), do_preresolve_host(), do_route_ipv6_service(), establish_http_proxy_passthru(), exec_command(), fork_to_self(), get_adapter_info_list(), get_console_input_win32(), get_default_gateway_ipv6(), get_device_instance_id_interface(), get_interface_info_list(), get_openvpn_reg_value(), get_pa_var(), get_panel_reg(), get_per_adapter_info(), get_special_addr(), get_tap_reg(), get_windows_routing_table(), getaddr(), GetOpenvpnSettings(), GetRegString(), helper_client_server(), in_extra_dispatch(), in_src_get(), incoming_push_message(), init_route(), InterfaceLuid(), io_wait_dowork(), link_socket_write_win32(), man_block(), man_client_deny(), man_client_kill(), man_connect(), man_kill(), man_proxy(), man_remote(), man_send_cc_message(), man_settings_init(), man_standalone_event_loop(), management_callback_remote_entry_get(), management_callback_send_cc_message(), management_io(), multi_get_create_instance_udp(), multi_process_io_udp(), multi_tcp_wait(), net_event_win32_reset_write(), openvpn_connect(), openvpn_exit(), openvpn_getaddrinfo(), openvpn_gettimeofday(), openvpn_plugin_func_v1(), openvpn_plugin_open_v3(), openvpn_popen(), pam_auth(), plugin_call_item(), plugin_call_ssl(), print_sockaddr_ex(), process_io(), read_incoming_link(), read_incoming_tls_ciphertext(), read_incoming_tls_plaintext(), recv_line(), recv_socks_reply(), report_command_status(), ReportStatusToSCMgr(), resolve_bind_local(), resolve_remote(), semaphore_lock(), send_push_options(), send_push_reply(), ServiceCtrlInteractive(), ServiceStartInteractive(), ServiceStartInteractiveOwn(), set_win_sys_path_via_env(), socket_connect(), socket_connection_reset(), socket_listen_accept(), socket_recv_queue(), socket_send_queue(), sockethandle_finalize(), socks_handshake(), socks_username_password_auth(), strerror_win32(), tap_allow_nonadmin_access_handle(), test_adapter_ip_netmask(), tls_pre_decrypt_lite(), tls_process_state(), tun_read_queue(), tun_write_queue(), tun_write_win32(), tunnel_server_tcp(), tuntap_abort(), tuntap_is_dco_win_timeout(), tuntap_set_connected(), tuntap_set_ip_addr(), tuntap_set_ptp(), tuntap_stop(), we_wait(), win32_sleep(), win_get_exe_path(), win_wfp_block(), write_outgoing_tls_ciphertext(), and x_check_status().

Data Structures

Macros

Typedefs

Enumerations

Functions

Variables

Macro Definition Documentation

◆ ERROR_MESSAGE_DATA

◆ ERROR_MESSAGE_TYPE

◆ ERROR_OPENVPN_STARTUP

◆ ERROR_STARTUP_DATA

◆ IO_TIMEOUT

◆ RDNS_TIMEOUT

◆ TUN_IOCTL_REGISTER_RINGS

Typedef Documentation

◆ list_item_t

◆ match_fn_t

◆ undo_lists_t

Enumeration Type Documentation

◆ async_op_t

◆ undo_type_t

Function Documentation

◆ AddDNS()

◆ AddListItem()

◆ AddWfpBlock()

◆ AsyncPipeOp()

◆ BlockDNSErrHandler()

◆ CloseHandleEx()

◆ CmpAddress()

◆ CmpAny()

◆ CmpHandle()

◆ CmpRoute()

◆ CmpWString()

◆ ConvertInterfaceNameToIndex()

◆ CreateClientPipeInstance()

◆ DeleteAddress()

◆ DeleteDNS()

◆ DeleteRoute()

◆ DeleteWfpBlock()

◆ DuplicateAndMapRing()

◆ ExecCommand()

◆ FreeStartupData()

◆ FreeWaitHandles()

◆ GetStartupData()

◆ HandleAddressMessage()

◆ HandleDNSConfigMessage()

◆ HandleEnableDHCPMessage()

◆ HandleFlushNeighborsMessage()

◆ HandleMessage()

◆ HandleMTUMessage()

◆ HandleRegisterDNSMessage()

◆ HandleRegisterRingBuffers()

◆ HandleRouteMessage()

◆ HandleWfpBlockMessage()

◆ HandleWINSConfigMessage()

◆ InitOverlapped()

◆ InterfaceLuid()

◆ netsh_dns_cmd()

◆ netsh_wins_cmd()

◆ OvpnDuplicateHandle()

◆ OvpnUnmapViewOfFile()

◆ PeekNamedPipeAsync()

◆ ReadPipeAsync()

◆ RegisterDNS()

◆ RemoveListItem()

◆ ResetOverlapped()

◆ ReturnError()

◆ ReturnLastError()

◆ ReturnProcessId()

◆ RunOpenvpn()

◆ ServiceCtrlInteractive()

◆ ServiceStartInteractive()

◆ ServiceStartInteractiveOwn()

◆ SetDNSDomain()

◆ sockaddr_inet()

◆ Undo()

◆ UnmapRingBuffer()

◆ UpdateWaitHandles()

◆ ValidateOptions()

◆ wmic_nicconfig_cmd()