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openvpn-gui/openvpn.c

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/*
* OpenVPN-GUI -- A Windows GUI for OpenVPN.
*
* Copyright (C) 2004 Mathias Sundman <mathias@nilings.se>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program (see the file COPYING included with this
* distribution); if not, write to the Free Software Foundation, Inc.,
* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Parts of this sourcefile is taken from openvpnserv.c from the
* OpenVPN source, with approval from the author, James Yonan
* <jim@yonan.net>.
*/
#include <windows.h>
#include <tchar.h>
#include <stdlib.h>
#include <stdio.h>
#include <process.h>
#include "tray.h"
#include "main.h"
#include "openvpn.h"
#include "openvpn_monitor_process.h"
#include "openvpn-gui-res.h"
#include "options.h"
#include "scripts.h"
#include "viewlog.h"
#include "proxy.h"
#include "passphrase.h"
#include "localization.h"
#include <richedit.h>
extern struct options o;
/*
* Creates a unique exit_event name based on the
* config file number.
*/
int CreateExitEvent(int config)
{
o.cnn[config].exit_event = NULL;
if (o.oldversion == 1)
{
_sntprintf_0(o.cnn[config].exit_event_name, _T("openvpn_exit"));
o.cnn[config].exit_event = CreateEvent (NULL,
TRUE,
FALSE,
o.cnn[config].exit_event_name);
if (o.cnn[config].exit_event == NULL)
{
if (GetLastError() == ERROR_ACCESS_DENIED)
{
/* service mustn't be running, while using old version */
ShowLocalizedMsg(GUI_NAME, IDS_ERR_STOP_SERV_OLD_VER);
}
else
{
/* error creating exit event */
ShowLocalizedMsg (GUI_NAME, IDS_ERR_CREATE_EVENT, o.cnn[config].exit_event_name);
}
return(false);
}
}
else
{
_sntprintf_0(o.cnn[config].exit_event_name, _T("openvpngui_exit_event_%d"), config);
o.cnn[config].exit_event = CreateEvent (NULL,
TRUE,
FALSE,
o.cnn[config].exit_event_name);
if (o.cnn[config].exit_event == NULL)
{
/* error creating exit event */
ShowLocalizedMsg (GUI_NAME, IDS_ERR_CREATE_EVENT, o.cnn[config].exit_event_name);
return(false);
}
}
return(true);
}
/*
* Set priority based on the registry or cmd-line value
*/
int SetProcessPriority(DWORD *priority)
{
/* set process priority */
*priority = NORMAL_PRIORITY_CLASS;
if (!strcmp (o.priority_string, "IDLE_PRIORITY_CLASS"))
*priority = IDLE_PRIORITY_CLASS;
else if (!strcmp (o.priority_string, "BELOW_NORMAL_PRIORITY_CLASS"))
*priority = BELOW_NORMAL_PRIORITY_CLASS;
else if (!strcmp (o.priority_string, "NORMAL_PRIORITY_CLASS"))
*priority = NORMAL_PRIORITY_CLASS;
else if (!strcmp (o.priority_string, "ABOVE_NORMAL_PRIORITY_CLASS"))
*priority = ABOVE_NORMAL_PRIORITY_CLASS;
else if (!strcmp (o.priority_string, "HIGH_PRIORITY_CLASS"))
*priority = HIGH_PRIORITY_CLASS;
else
{
/* unknown priority */
ShowLocalizedMsg (GUI_NAME, IDS_ERR_UNKNOWN_PRIORITY, o.priority_string);
return (false);
}
return(true);
}
/*
* Launch an OpenVPN process
*/
int StartOpenVPN(int config)
{
HANDLE hOutputReadTmp = NULL;
HANDLE hOutputRead = NULL;
HANDLE hOutputWrite = NULL;
HANDLE hInputWriteTmp = NULL;
HANDLE hInputRead = NULL;
HANDLE hInputWrite = NULL;
HANDLE hErrorWrite = NULL;
HANDLE hThread;
DWORD IDThread;
DWORD priority;
STARTUPINFO start_info;
PROCESS_INFORMATION proc_info;
SECURITY_ATTRIBUTES sa;
SECURITY_DESCRIPTOR sd;
char command_line[256];
char proxy_string[100];
int i, is_connected=0;
CLEAR (start_info);
CLEAR (proc_info);
CLEAR (sa);
CLEAR (sd);
/* If oldversion, allow only ONE connection */
if (o.oldversion == 1)
{
for (i=0; i < o.num_configs; i++)
{
if ((o.cnn[i].connect_status != DISCONNECTED) &&
(o.cnn[i].connect_status != DISCONNECTING))
{
is_connected=1;
break;
}
}
if (is_connected)
{
/* only one simultanious connection on old version */
ShowLocalizedMsg(GUI_NAME, IDS_ERR_ONE_CONN_OLD_VER);
return(false);
}
}
/* Warn if "log" or "log-append" option is found in config file */
if ((ConfigFileOptionExist(config, "log ")) ||
(ConfigFileOptionExist(config, "log-append ")))
{
if (MessageBox(NULL, LoadLocalizedString(IDS_ERR_OPTION_LOG_IN_CONFIG), GUI_NAME, MB_YESNO | MB_DEFBUTTON2 | MB_ICONWARNING) != IDYES)
return(false);
}
/* Clear connection unique vars */
o.cnn[config].failed_psw = 0;
CLEAR (o.cnn[config].ip);
/* Create our exit event */
if (!CreateExitEvent(config))
return(false);
/* set process priority */
if (!SetProcessPriority(&priority))
goto failed;
/* Check that log append flag has a valid value */
if ((o.append_string[0] != '0') && (o.append_string[0] != '1'))
{
/* append_log must be 0 or 1 */
ShowLocalizedMsg (GUI_NAME, IDS_ERR_LOG_APPEND_BOOL, o.append_string);
goto failed;
}
/* construct proxy string to append to command line */
ConstructProxyCmdLine(proxy_string, sizeof(proxy_string));
/* construct command line */
if (o.oldversion == 1)
{
_sntprintf_0(command_line, _T("openvpn --config \"%s\" %s"),
o.cnn[config].config_file, proxy_string);
}
else
{
_sntprintf_0(command_line, _T("openvpn --service %s 0 --config \"%s\" %s"),
o.cnn[config].exit_event_name,
o.cnn[config].config_file,
proxy_string);
}
/* Make security attributes struct for logfile handle so it can
be inherited. */
sa.nLength = sizeof (sa);
sa.lpSecurityDescriptor = &sd;
sa.bInheritHandle = TRUE;
if (!InitializeSecurityDescriptor (&sd, SECURITY_DESCRIPTOR_REVISION))
{
/* Init Sec. Desc. failed */
ShowLocalizedMsg (GUI_NAME, IDS_ERR_INIT_SEC_DESC);
goto failed;
}
if (!SetSecurityDescriptorDacl (&sd, TRUE, NULL, FALSE))
{
/* set Dacl failed */
ShowLocalizedMsg (GUI_NAME, IDS_ERR_SET_SEC_DESC_ACL);
goto failed;
}
/* Create the child output pipe. */
if (!CreatePipe(&hOutputReadTmp,&hOutputWrite,&sa,0))
{
/* CreatePipe failed. */
ShowLocalizedMsg(GUI_NAME, IDS_ERR_CREATE_PIPE_OUTPUT);
goto failed;
}
// Create a duplicate of the output write handle for the std error
// write handle. This is necessary in case the child application
// closes one of its std output handles.
if (!DuplicateHandle(GetCurrentProcess(),hOutputWrite,
GetCurrentProcess(),&hErrorWrite,0,
TRUE,DUPLICATE_SAME_ACCESS))
{
/* DuplicateHandle failed. */
ShowLocalizedMsg(GUI_NAME, IDS_ERR_DUP_HANDLE_ERR_WRITE);
goto failed;
}
// Create the child input pipe.
if (!CreatePipe(&hInputRead,&hInputWriteTmp,&sa,0))
{
/* CreatePipe failed. */
ShowLocalizedMsg(GUI_NAME, IDS_ERR_CREATE_PIPE_INPUT);
goto failed;
}
// Create new output read handle and the input write handles. Set
// the Properties to FALSE. Otherwise, the child inherits the
// properties and, as a result, non-closeable handles to the pipes
// are created.
if (!DuplicateHandle(GetCurrentProcess(),hOutputReadTmp,
GetCurrentProcess(),
&hOutputRead, // Address of new handle.
0,FALSE, // Make it uninheritable.
DUPLICATE_SAME_ACCESS))
{
/* Duplicate Handle failed. */
ShowLocalizedMsg(GUI_NAME, IDS_ERR_DUP_HANDLE_OUT_READ);
goto failed;
}
if (!DuplicateHandle(GetCurrentProcess(),hInputWriteTmp,
GetCurrentProcess(),
&hInputWrite, // Address of new handle.
0,FALSE, // Make it uninheritable.
DUPLICATE_SAME_ACCESS))
{
/* DuplicateHandle failed */
ShowLocalizedMsg(GUI_NAME, IDS_ERR_DUP_HANDLE_IN_WRITE);
goto failed;
}
/* Close inheritable copies of the handles */
if (!CloseHandle(hOutputReadTmp) || !CloseHandle(hInputWriteTmp))
{
/* Close Handle failed */
ShowLocalizedMsg(GUI_NAME, IDS_ERR_CLOSE_HANDLE_TMP);
CloseHandle (o.cnn[config].exit_event);
return(0);
}
hOutputReadTmp=NULL;
hInputWriteTmp=NULL;
/* fill in STARTUPINFO struct */
GetStartupInfo(&start_info);
start_info.cb = sizeof(start_info);
start_info.dwFlags = STARTF_USESTDHANDLES;
start_info.hStdInput = hInputRead;
start_info.hStdOutput = hOutputWrite;
start_info.hStdError = hErrorWrite;
/* Run Pre-connect script */
RunPreconnectScript(config);
/* create an OpenVPN process for one config file */
if (!CreateProcess(o.exe_path,
command_line,
NULL,
NULL,
TRUE,
priority | CREATE_NO_WINDOW,
NULL,
o.cnn[config].config_dir,
&start_info,
&proc_info))
{
/* CreateProcess failed */
ShowLocalizedMsg (GUI_NAME, IDS_ERR_CREATE_PROCESS,
o.exe_path,
command_line,
o.cnn[config].config_dir);
goto failed;
}
/* close unneeded handles */
Sleep (250); /* try to prevent race if we close logfile
handle before child process DUPs it */
if(!CloseHandle (proc_info.hThread) ||
!CloseHandle (hOutputWrite) ||
!CloseHandle (hInputRead) ||
!CloseHandle (hErrorWrite))
{
/* CloseHandle failed */
ShowLocalizedMsg (GUI_NAME, IDS_ERR_CLOSE_HANDLE);
CloseHandle (o.cnn[config].exit_event);
return(false);
}
hOutputWrite = NULL;
hInputRead = NULL;
hErrorWrite = NULL;
/* Save StdIn and StdOut handles in our options struct */
o.cnn[config].hStdIn = hInputWrite;
o.cnn[config].hStdOut = hOutputRead;
/* Save Process Handle */
o.cnn[config].hProcess=proc_info.hProcess;
/* Start Thread to show Status Dialog */
hThread = CreateThread(NULL, 0,
(LPTHREAD_START_ROUTINE) ThreadOpenVPNStatus,
(int *) config, // pass config nr
0, &IDThread);
if (hThread == NULL)
{
/* CreateThread failed */
ShowLocalizedMsg (GUI_NAME, IDS_ERR_CREATE_THREAD_STATUS);
goto failed;
}
return(true);
failed:
if (o.cnn[config].exit_event) CloseHandle (o.cnn[config].exit_event);
if (hOutputWrite) CloseHandle (hOutputWrite);
if (hOutputRead) CloseHandle (hOutputRead);
if (hInputWrite) CloseHandle (hInputWrite);
if (hInputRead) CloseHandle (hInputRead);
if (hErrorWrite) CloseHandle (hOutputWrite);
return(false);
}
void StopOpenVPN(int config)
{
o.cnn[config].connect_status = DISCONNECTING;
if (o.cnn[config].exit_event) {
/* Run Disconnect script */
RunDisconnectScript(config, false);
EnableWindow(GetDlgItem(o.cnn[config].hwndStatus, ID_DISCONNECT), FALSE);
EnableWindow(GetDlgItem(o.cnn[config].hwndStatus, ID_RESTART), FALSE);
SetMenuStatus(config, DISCONNECTING);
/* UserInfo: waiting for OpenVPN termination... */
SetDlgItemText(o.cnn[config].hwndStatus, ID_TXT_STATUS, LoadLocalizedString(IDS_NFO_STATE_WAIT_TERM));
SetEvent(o.cnn[config].exit_event);
}
}
void SuspendOpenVPN(int config)
{
o.cnn[config].connect_status = SUSPENDING;
o.cnn[config].restart = true;
if (o.cnn[config].exit_event) {
EnableWindow(GetDlgItem(o.cnn[config].hwndStatus, ID_DISCONNECT), FALSE);
EnableWindow(GetDlgItem(o.cnn[config].hwndStatus, ID_RESTART), FALSE);
SetMenuStatus(config, DISCONNECTING);
SetDlgItemText(o.cnn[config].hwndStatus, ID_TXT_STATUS, LoadLocalizedString(IDS_NFO_STATE_WAIT_TERM));
SetEvent(o.cnn[config].exit_event);
}
}
void StopAllOpenVPN()
{
int i;
for(i=0; i < o.num_configs; i++) {
if(o.cnn[i].connect_status != DISCONNECTED)
StopOpenVPN(i);
}
/* Wait for all connections to terminate (Max 5 sec) */
for (i=0; i<20; i++, Sleep(250))
if (CountConnectedState(DISCONNECTED) == o.num_configs) break;
}
BOOL CALLBACK StatusDialogFunc (HWND hwndDlg, UINT msg, WPARAM wParam, LPARAM lParam)
{
static const TCHAR cfgProp[] = _T("config");
HWND hwndLogWindow;
RECT rect;
CHARFORMAT charformat;
UINT config;
switch (msg) {
case WM_INITDIALOG:
/* Set Window Icon "DisConnected" */
SetStatusWinIcon(hwndDlg, ID_ICO_CONNECTING);
/* Set config number for this dialog */
SetProp(hwndDlg, cfgProp, (HANDLE) lParam);
/* Create LogWindow */
hwndLogWindow = CreateWindowEx (0, RICHEDIT_CLASS, NULL,
WS_CHILD | WS_VISIBLE | WS_HSCROLL | WS_VSCROLL | \
ES_SUNKEN | ES_LEFT | ES_MULTILINE | \
ES_READONLY | ES_AUTOHSCROLL | ES_AUTOVSCROLL,
20, 25, 350, 160, // Posision and Size
hwndDlg, // Parent window handle
(HMENU) ID_EDT_LOG, // hMenu
o.hInstance, // hInstance
NULL); // WM_CREATE lpParam
if (!hwndLogWindow)
{
/* Create RichEd LogWindow Failed */
ShowLocalizedMsg(GUI_NAME, IDS_ERR_CREATE_EDIT_LOGWINDOW);
return FALSE;
}
/* Set font and fontsize of the LogWindow */
charformat.cbSize = sizeof(CHARFORMAT);
charformat.dwMask = CFM_SIZE | CFM_FACE | CFM_BOLD | CFM_ITALIC | \
CFM_UNDERLINE | CFM_STRIKEOUT | CFM_PROTECTED;
charformat.dwEffects = 0;
charformat.yHeight = 100;
strcpy(charformat.szFaceName, "MS Sans Serif");
if ((SendMessage(hwndLogWindow, EM_SETCHARFORMAT, SCF_DEFAULT, (LPARAM) &charformat) && CFM_SIZE) == 0) {
/* set size failed */
ShowLocalizedMsg(GUI_NAME, IDS_ERR_SET_SIZE);
}
/* Set Size and Posision of controls */
GetClientRect(hwndDlg, &rect);
MoveWindow (hwndLogWindow, 20, 25, rect.right - 40, rect.bottom - 70, TRUE);
MoveWindow (GetDlgItem(hwndDlg, ID_TXT_STATUS), 20, 5, rect.right - 25, 15, TRUE);
MoveWindow (GetDlgItem(hwndDlg, ID_DISCONNECT), 20, rect.bottom - 30, 90, 23, TRUE);
MoveWindow (GetDlgItem(hwndDlg, ID_RESTART), 125, rect.bottom - 30, 90, 23, TRUE);
MoveWindow (GetDlgItem(hwndDlg, ID_HIDE), rect.right - 110, rect.bottom - 30, 90, 23, TRUE);
/* Set focus on the LogWindow so it scrolls automatically */
SetFocus(hwndLogWindow);
return FALSE;
case WM_SIZE:
MoveWindow (GetDlgItem(hwndDlg, ID_EDT_LOG), 20, 25, LOWORD (lParam) - 40,
HIWORD (lParam) - 70, TRUE);
MoveWindow (GetDlgItem(hwndDlg, ID_DISCONNECT), 20,
HIWORD (lParam) - 30, 90, 23, TRUE);
MoveWindow (GetDlgItem(hwndDlg, ID_RESTART), 125,
HIWORD (lParam) - 30, 90, 23, TRUE);
MoveWindow (GetDlgItem(hwndDlg, ID_HIDE), LOWORD (lParam) - 110,
HIWORD (lParam) - 30, 90, 23, TRUE);
MoveWindow (GetDlgItem(hwndDlg, ID_TXT_STATUS), 20, 5, LOWORD (lParam) - 25, 15, TRUE);
InvalidateRect(hwndDlg, NULL, TRUE);
return TRUE;
case WM_COMMAND:
config = (UINT) GetProp(hwndDlg, cfgProp);
switch (LOWORD(wParam)) {
case ID_DISCONNECT:
SetFocus(GetDlgItem(o.cnn[config].hwndStatus, ID_EDT_LOG));
StopOpenVPN(config);
return TRUE;
case ID_HIDE:
if (o.cnn[config].connect_status != DISCONNECTED)
{
ShowWindow(hwndDlg, SW_HIDE);
}
else
{
DestroyWindow(hwndDlg);
}
return TRUE;
case ID_RESTART:
SetFocus(GetDlgItem(o.cnn[config].hwndStatus, ID_EDT_LOG));
o.cnn[config].restart = true;
StopOpenVPN(config);
return TRUE;
}
break;
case WM_SHOWWINDOW:
if (wParam == TRUE)
{
config = (UINT) GetProp(hwndDlg, cfgProp);
if (o.cnn[config].hwndStatus)
SetFocus(GetDlgItem(o.cnn[config].hwndStatus, ID_EDT_LOG));
}
return FALSE;
case WM_CLOSE:
config = (UINT) GetProp(hwndDlg, cfgProp);
if (o.cnn[config].connect_status != DISCONNECTED)
{
ShowWindow(hwndDlg, SW_HIDE);
}
else
{
DestroyWindow(hwndDlg);
}
return TRUE;
case WM_NCDESTROY:
RemoveProp(hwndDlg, cfgProp);
break;
case WM_DESTROY:
PostQuitMessage(0);
break;
}
return FALSE;
}
void SetStatusWinIcon(HWND hwndDlg, int IconID)
{
/* Set Window Icon */
HICON hIcon = LoadLocalizedIcon(IconID);
if (hIcon) {
SendMessage(hwndDlg, WM_SETICON, (WPARAM) (ICON_SMALL), (LPARAM) (hIcon));
SendMessage(hwndDlg, WM_SETICON, (WPARAM) (ICON_BIG), (LPARAM) (hIcon));
}
}
int AutoStartConnections()
{
int i;
for (i=0; i < o.num_configs; i++)
{
if (o.cnn[i].auto_connect)
StartOpenVPN(i);
}
return(true);
}
int VerifyAutoConnections()
{
int i,j;
BOOL match;
for (i=0; (o.auto_connect[i] != 0) && (i < MAX_CONFIGS); i++)
{
match = false;
for (j=0; j < MAX_CONFIGS; j++)
{
if (strcasecmp(o.cnn[j].config_file, o.auto_connect[i]) == 0)
{
match=true;
break;
}
}
if (match == false)
{
/* autostart config not found */
ShowLocalizedMsg(GUI_NAME, IDS_ERR_AUTOSTART_CONF, o.auto_connect[i]);
return false;
}
}
return true;
}
int CheckVersion()
{
HANDLE hOutputReadTmp = NULL;
HANDLE hOutputRead = NULL;
HANDLE hOutputWrite = NULL;
HANDLE hInputWriteTmp = NULL;
HANDLE hInputRead = NULL;
HANDLE hInputWrite = NULL;
HANDLE exit_event;
STARTUPINFO start_info;
PROCESS_INFORMATION proc_info;
SECURITY_ATTRIBUTES sa;
SECURITY_DESCRIPTOR sd;
char command_line[256];
char line[1024];
char bin_path[MAX_PATH];
char *p;
int oldversion, i;
CLEAR (start_info);
CLEAR (proc_info);
CLEAR (sa);
CLEAR (sd);
exit_event = CreateEvent (NULL, TRUE, FALSE, "openvpn_exit");
if (exit_event == NULL)
{
#ifdef DEBUG
PrintErrorDebug("CreateEvent(openvpn_exit) failed.");
#endif
if (GetLastError() == ERROR_ACCESS_DENIED)
{
/* Assume we're running OpenVPN 1.5/1.6 and the service is started. */
o.oldversion=1;
strncpy(o.connect_string, "Successful ARP Flush", sizeof(o.connect_string));
return(true);
}
else
{
/* CreateEvent failed */
ShowLocalizedMsg(GUI_NAME, IDS_ERR_VERSION_CREATE_EVENT);
return(false);
}
}
#ifdef DEBUG
PrintErrorDebug("CreateEvent(openvpn_exit) succeded.");
#endif
/* construct command line */
_sntprintf_0(command_line, _T("openvpn --version"));
/* construct bin path */
strncpy(bin_path, o.exe_path, sizeof(bin_path));
for (i=strlen(bin_path) - 1; i > 0; i--)
if (bin_path[i] == '\\') break;
bin_path[i] = '\0';
/* Make security attributes struct for logfile handle so it can
be inherited. */
sa.nLength = sizeof (sa);
sa.lpSecurityDescriptor = &sd;
sa.bInheritHandle = TRUE;
if (!InitializeSecurityDescriptor (&sd, SECURITY_DESCRIPTOR_REVISION))
{
/* Init Sec. Desc. failed */
ShowLocalizedMsg (GUI_NAME, IDS_ERR_INIT_SEC_DESC);
return(0);
}
if (!SetSecurityDescriptorDacl (&sd, TRUE, NULL, FALSE))
{
/* Set Dacl failed */
ShowLocalizedMsg (GUI_NAME, IDS_ERR_SET_SEC_DESC_ACL);
return(0);
}
/* Create the child input pipe. */
if (!CreatePipe(&hInputRead,&hInputWriteTmp,&sa,0))
{
/* create pipe failed */
ShowLocalizedMsg(GUI_NAME, IDS_ERR_CREATE_PIPE_IN_READ);
return(0);
}
/* Create the child output pipe. */
if (!CreatePipe(&hOutputReadTmp,&hOutputWrite,&sa,0))
{
/* CreatePipe failed */
ShowLocalizedMsg(GUI_NAME, IDS_ERR_CREATE_PIPE_OUTPUT);
return(0);
}
if (!DuplicateHandle(GetCurrentProcess(),hOutputReadTmp,
GetCurrentProcess(),
&hOutputRead, // Address of new handle.
0,FALSE, // Make it uninheritable.
DUPLICATE_SAME_ACCESS))
{
/* DuplicateHandle failed */
ShowLocalizedMsg(GUI_NAME, IDS_ERR_DUP_HANDLE_OUT_READ);
return(0);
}
if (!DuplicateHandle(GetCurrentProcess(),hInputWriteTmp,
GetCurrentProcess(),
&hInputWrite, // Address of new handle.
0,FALSE, // Make it uninheritable.
DUPLICATE_SAME_ACCESS))
{
/* DuplicateHandle failed */
ShowLocalizedMsg(GUI_NAME, IDS_ERR_DUP_HANDLE_IN_WRITE);
return(0);
}
/* Close inheritable copies of the handles */
if (!CloseHandle(hOutputReadTmp) || !CloseHandle(hInputWriteTmp))
{
/* CloseHandle failed */
ShowLocalizedMsg(GUI_NAME, IDS_ERR_CLOSE_HANDLE_TMP);
return(0);
}
/* fill in STARTUPINFO struct */
GetStartupInfo(&start_info);
start_info.cb = sizeof(start_info);
start_info.dwFlags = STARTF_USESTDHANDLES|STARTF_USESHOWWINDOW;
start_info.wShowWindow = SW_HIDE;
start_info.hStdInput = hInputRead;
start_info.hStdOutput = hOutputWrite;
start_info.hStdError = hOutputWrite;
/* Start OpenVPN to check version */
if (!CreateProcess(o.exe_path,
command_line,
NULL,
NULL,
TRUE,
CREATE_NEW_CONSOLE,
NULL,
bin_path,
&start_info,
&proc_info))
{
/* CreateProcess failed */
ShowLocalizedMsg (GUI_NAME, IDS_ERR_CREATE_PROCESS,
o.exe_path,
command_line,
bin_path);
return(0);
}
/* Default value for oldversion */
oldversion=0;
/* Default string to look for to report "Connected". */
strncpy(o.connect_string, "Successful ARP Flush", sizeof(o.connect_string));
if (ReadLineFromStdOut(hOutputRead, 0, line) == 1)
{
#ifdef DEBUG
PrintDebug("VersionString: %s", line);
#endif
if (line[8] == '2') /* Majorversion = 2 */
{
if (line[10] == '0') /* Minorversion = 0 */
{
p=strstr(line, "beta");
if (p != NULL)
{
if (p[5] == ' ') /* 2.0-beta1 - 2.0-beta9 */
{
if (p[4] >= '6') /* 2.0-beta6 - 2.0-beta9 */
{
oldversion=0;
}
else /* < 2.0-beta6 */
{
oldversion=1;
}
}
else /* >= 2.0-beta10 */
{
if (strncmp(&p[6], "ms", 2) == 0) /* 2.0-betaXXms */
strncpy(o.connect_string, "Initialization Sequence Completed",
sizeof(o.connect_string));
if ( !((p[4] == 1) && (p[5] == 0)) ) /* >= 2.0-beta11 */
strncpy(o.connect_string, "Initialization Sequence Completed",
sizeof(o.connect_string));
oldversion=0;
}
}
else /* 2.0 non-beta */
{
strncpy(o.connect_string, "Initialization Sequence Completed",
sizeof(o.connect_string));
oldversion=0;
}
}
else /* > 2.0 */
{
strncpy(o.connect_string, "Initialization Sequence Completed",
sizeof(o.connect_string));
oldversion=0;
}
}
else
{
if (line[8] == '1') /* Majorversion = 1 */
{
oldversion=1;
}
else /* Majorversion != (1 || 2) */
{
oldversion=0;
}
}
}
else return(0);
o.oldversion = oldversion;
if(!CloseHandle (proc_info.hThread) || !CloseHandle (hOutputWrite)
|| !CloseHandle (hInputRead) || !CloseHandle(exit_event))
{
/* CloseHandle failed */
ShowLocalizedMsg (GUI_NAME, IDS_ERR_CLOSE_HANDLE);
return(0);
}
return(1);
}
/* Return num of connections with Status = CheckVal */
int CountConnectedState(int CheckVal)
{
int i;
int count=0;
for (i=0; i < o.num_configs; i++)
{
if (o.cnn[i].connect_status == CheckVal)
count++;
}
return (count);
}
void CheckAndSetTrayIcon()
{
/* Show green icon if service is running */
if (o.service_running == SERVICE_CONNECTED)
{
SetTrayIcon(CONNECTED);
return;
}
/* Change tray icon if no more connections is running */
if (CountConnectedState(CONNECTED) != 0)
SetTrayIcon(CONNECTED);
else
{
if ((CountConnectedState(CONNECTING) != 0) ||
(CountConnectedState(RECONNECTING) != 0) ||
(o.service_running == SERVICE_CONNECTING))
SetTrayIcon(CONNECTING);
else
SetTrayIcon(DISCONNECTED);
}
}
void ThreadOpenVPNStatus(int config)
{
char conn_name[200];
HANDLE hThread;
DWORD IDThread;
MSG messages;
/* Cut of extention from config filename. */
strncpy(conn_name, o.cnn[config].config_file, sizeof(conn_name));
conn_name[strlen(conn_name) - (strlen(o.ext_string)+1)]=0;
if (o.cnn[config].restart)
{
/* UserInfo: Connecting */
SetDlgItemText(o.cnn[config].hwndStatus, ID_TXT_STATUS, LoadLocalizedString(IDS_NFO_STATE_CONNECTING));
SetStatusWinIcon(o.cnn[config].hwndStatus, ID_ICO_CONNECTING);
EnableWindow(GetDlgItem(o.cnn[config].hwndStatus, ID_DISCONNECT), TRUE);
EnableWindow(GetDlgItem(o.cnn[config].hwndStatus, ID_RESTART), TRUE);
SetFocus(GetDlgItem(o.cnn[config].hwndStatus, ID_EDT_LOG));
o.cnn[config].restart = false;
}
else
{
/* Create and Show Status Dialog */
o.cnn[config].hwndStatus = CreateLocalizedDialogParam(ID_DLG_STATUS, StatusDialogFunc, config);
if (!o.cnn[config].hwndStatus)
ExitThread(1);
/* UserInfo: Connecting */
SetDlgItemText(o.cnn[config].hwndStatus, ID_TXT_STATUS, LoadLocalizedString(IDS_NFO_STATE_CONNECTING));
SetWindowText(o.cnn[config].hwndStatus, LoadLocalizedString(IDS_NFO_CONNECTION_XXX, conn_name));
if (o.silent_connection[0]=='0')
ShowWindow(o.cnn[config].hwndStatus, SW_SHOW);
}
/* Start Thread to monitor our OpenVPN process */
hThread = CreateThread(NULL, 0,
(LPTHREAD_START_ROUTINE) WatchOpenVPNProcess,
(int *) config, // pass config nr
0, &IDThread);
if (hThread == NULL)
{
/* CreateThread failed */
ShowLocalizedMsg (GUI_NAME, IDS_ERR_THREAD_READ_STDOUT);
ExitThread(0);
}
/* Run the message loop. It will run until GetMessage() returns 0 */
while (GetMessage (&messages, NULL, 0, 0))
{
if(!IsDialogMessage(o.cnn[config].hwndStatus, &messages))
{
TranslateMessage(&messages);
DispatchMessage(&messages);
}
}
ExitThread(0);
}
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