#ifdef WINAMPX
#define WIN32_LEAN_AND_MEAN 1
#include <windows.h>
#include "stdio.h"
#include "proxydt.h"
#include <winsock2.h>
#include ".\ws2tcpip.h"
#include ".\wininet.h"
#include "../jnetlib/jnetlib.h"
#include <urlmon.h>
extern void SendMetadata( char *data, int arg );
HRESULT JNetLibDownloadToFile(LPVOID lpUnused1, LPSTR lpWPADLocation, LPSTR lpTempFile, LPVOID lpUnused2, LPVOID lpUnused3);
enum {
BK_UNKNOWN = 0,
BK_IE4 = 1,
BK_NETSCAPE4 = 2,
BK_NETSCAPE6 = 3,
BK_MOZILLA = 4,
BK_FIREFOX = 5
};
// browser info struct
typedef struct{
LPSTR lpName;
BOOL bSupported;
}BK_INFO;
// browser info
BK_INFO BrowserInfo[] = {
"Unknown", FALSE,
"IE 4.0+", TRUE,
"Netscape 4 or 5", FALSE,
"Netscape 6+", TRUE,
"Mozilla", TRUE,
"Firefox", TRUE
};
// Global variables
int gBrowserKind = BK_UNKNOWN;
int gTryAuto = 1;
// Exported C functions
extern "C" BOOL ProxyInit();
extern "C" void ProxyDeInit();
extern "C" int ResolvProxyFromURL(LPSTR lpURL, LPSTR lpHostname, LPSTR lpDest);
// Global C functions
BOOL IsIEProxySet();
int GetIESettings();
int ResolveURL_IE(LPSTR lpURL, LPSTR lpHostname, LPSTR lpIPAddress, int sizeof_address, int *pnPort);
BOOL IsFirefoxProxySet();
int GetFirefoxSettings();
int ResolveURL_Firefox(LPSTR lpURL, LPSTR lpHostname, LPSTR lpIPAddress, int sizeof_address, int *pnPort);
BOOL IsMozillaProxySet();
int GetMozillaSettings();
int ResolveURL_Mozilla(LPSTR lpURL, LPSTR lpHostname, LPSTR lpIPAddress, int sizeof_address, int *pnPort);
int GetDefaultBrowser();
int ReadWPADFile(LPSTR lpWPADLocation, LPSTR pIPAddress, int *pnPort);
int GetFirefoxOrMozillaSettings(BOOL bFirefox);
BOOL IsFirefoxOrMozillaProxySet(BOOL bFirefox);
int ResolveURL_MozillaOrFirefox(BOOL bFirefox, LPSTR lpURL, LPSTR lpHostname, LPSTR lpIPAddress, int sizeof_address, int *pnPort);
// exported functions
extern "C" BOOL ProxyInit()
{
BOOL bRet;
bRet = FALSE;
gBrowserKind = GetDefaultBrowser();
switch(gBrowserKind) {
case BK_IE4:
bRet = IsIEProxySet();
break;
case BK_MOZILLA:
bRet = IsMozillaProxySet();
break;
case BK_FIREFOX:
bRet = IsFirefoxProxySet();
break;
}
return bRet;
}
extern "C" void ProxyDeInit()
{
}
extern "C" int ResolvProxyFromURL(LPSTR lpURL, LPSTR lpHostname, LPSTR lpDest)
{
// lpURL = URL to resolve
// lpHostname = hostname
// lpDest = where to store the result, such as "www.proxyserver.com:8080"
char szIPAddress[MAX_PATH] = {0};
int ret, nPort=0;
lpDest[0]=0;
if(lpURL && lpHostname && lpDest) {
switch(gBrowserKind) {
case BK_IE4:
ret = ResolveURL_IE(lpURL, lpHostname, szIPAddress, sizeof(szIPAddress), &nPort);
break;
case BK_MOZILLA:
ret = ResolveURL_Mozilla(lpURL, lpHostname, szIPAddress, sizeof(szIPAddress), &nPort);
break;
case BK_FIREFOX:
ret = ResolveURL_Firefox(lpURL, lpHostname, szIPAddress, sizeof(szIPAddress), &nPort);
break;
}
if(ret == 0) {
if ( szIPAddress[0] )
{
wsprintf(lpDest, "%s:%d", szIPAddress, nPort);
return 1;
}
else return 0;
}
else return 0;
}
else return -1;
}
int GetDefaultBrowser()
{
DWORD dwSize, dwType;
TCHAR valueBuf[MAX_PATH] = {0};
DWORD valueSize = sizeof(valueBuf);
HKEY hKey;
long lRet;
memset(valueBuf, 0, sizeof(valueBuf));
lRet = RegOpenKeyEx(HKEY_CLASSES_ROOT, "http\\shell\\open\\ddeexec\\Application", 0, KEY_READ, &hKey);
if (lRet == ERROR_SUCCESS) {
dwSize = valueSize;
lRet = RegQueryValueEx(hKey, "", NULL, &dwType, (LPBYTE)valueBuf, &dwSize);
if(lRet == ERROR_SUCCESS && dwType == REG_SZ) {
if (_tcsicmp(_T("NSShell"), valueBuf) == 0) { //NS 4.x
return BK_NETSCAPE4;
} else if (_tcsicmp(_T("IExplore"), valueBuf) == 0) { //IE 4+
return BK_IE4;
} else if (_tcsicmp(_T("Mozilla"), valueBuf) == 0) { //Mozilla
return BK_MOZILLA;
} else if (_tcsicmp(_T("Firefox"), valueBuf) == 0) { //Firefox
return BK_FIREFOX;
}
}
}
RegCloseKey(hKey);
lRet = RegOpenKeyEx(HKEY_CLASSES_ROOT, "http\\shell\\open\\command", 0, KEY_READ, &hKey);
if(lRet == ERROR_SUCCESS) {
dwSize = valueSize;
lRet = RegQueryValueEx(hKey, "", NULL, &dwType, (LPBYTE)valueBuf, &dwSize);
if(lRet == ERROR_SUCCESS && dwType == REG_SZ) {
if(strstr(valueBuf, "MOZILLA")) {
return BK_MOZILLA;
}
if(strstr(valueBuf, "NETSCAPE")) {
return BK_MOZILLA;
}
if(strstr(valueBuf, "FIREFOX")) {
return BK_FIREFOX;
}
}
}
RegCloseKey(hKey);
return BK_UNKNOWN;
}
////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// helper functions for JSProxy.dll
DWORD __stdcall ResolveHostName(LPSTR lpszHostName, LPSTR lpszIPAddress, LPDWORD lpdwIPAddressSize);
BOOL __stdcall IsResolvable(LPSTR lpszHost);
DWORD __stdcall GetIPAddress(LPSTR lpszIPAddress, LPDWORD lpdwIPAddressSize);
BOOL __stdcall IsInNet(LPSTR lpszIPAddress, LPSTR lpszDest, LPSTR lpszMask);
// functions to get IE checkbox state
BOOL GetAutomaticallyDetectSettingsCheckboxState();
BOOL GetUseAProxyServerForYourLanCheckboxState();
BOOL GetAutomaticConfigurationScriptCheckboxState();
BOOL GetBypassProxyServerForLocalAddressesCheckboxState();
// functions to actually get an IP address and port # of the proxy server
int GetAutomaticDetectSettings(LPSTR lpIPAddress, int *pnPort);
int GetProxyServerForLanProxySettings(LPSTR lpIPAddress, int *pnPort);
int GetAutoConfigScriptProxySettings(LPSTR lpIPAddress, int *pnPort);
// various helper functions
BOOL IsDirect(LPSTR proxy);
BOOL IsAProxy(LPSTR proxy);
void reportFuncErr(TCHAR* funcName);
char * strstri(LPSTR lpOne, LPSTR lpTwo);
int GetProxyIP(LPSTR proxy, LPSTR szProxyIP);
int GetProxyPort(LPSTR proxy);
// some global variables
char gszURL[1025] = {0};
char gszHost[256] = {0};
// returns TRUE if the user has set a proxy in IE
BOOL IsIEProxySet()
{
BOOL bAutomaticallyDetectSettings = GetAutomaticallyDetectSettingsCheckboxState();
BOOL bUseAutomaticConfigurationScript = GetAutomaticConfigurationScriptCheckboxState();
BOOL bUseAProxyServerForYourLan = GetUseAProxyServerForYourLanCheckboxState();
if(bAutomaticallyDetectSettings || bUseAutomaticConfigurationScript || bUseAProxyServerForYourLan) {
return TRUE;
}
return FALSE;
}
int ResolveURL_IE(LPSTR lpURL, LPSTR lpHostname, LPSTR lpIPAddress, int sizeof_address, int *pnPort)
{
// get the state of the four checkboxes in the proxy settings dialog for IE
BOOL bAutomaticallyDetectSettings = GetAutomaticallyDetectSettingsCheckboxState();
BOOL bUseAutomaticConfigurationScript = GetAutomaticConfigurationScriptCheckboxState();
BOOL bUseAProxyServerForYourLan = GetUseAProxyServerForYourLanCheckboxState();
//BOOL bBypassProxyServerForLocalAddresses = GetBypassProxyServerForLocalAddressesCheckboxState();
int ret;
lstrcpyn(gszURL, lpURL, 1025);
lstrcpyn(gszHost, lpHostname, 256);
// if nothing checked, return
if(!bAutomaticallyDetectSettings && !bUseAutomaticConfigurationScript && !bUseAProxyServerForYourLan) {
return 0;
}
// if all three checkboxes on...
if(bAutomaticallyDetectSettings && gTryAuto)
{
// try the automatic configuration next
ret = GetAutomaticDetectSettings(lpIPAddress, pnPort);
if(ret == 0 && *pnPort) {
return 0;
}
gTryAuto = 0;
}
if ( bUseAutomaticConfigurationScript)
{
// try the automatic config script method first
ret = GetAutoConfigScriptProxySettings(lpIPAddress, pnPort);
if(ret == 0 && *pnPort ) {
return 0;
}
}
if ( bUseAProxyServerForYourLan)
{
// if still no success, try the "Use a proxy server for your lan" settings
ret = GetProxyServerForLanProxySettings(lpIPAddress, pnPort);
if(ret == 0 && *pnPort) {
return 0;
}
}
// no success...
return 0;
}
// handles the "Automatically Detect" checkbox
int GetAutomaticDetectSettings(LPSTR lpIPAddress, int *pnPort)
{
// By not specifying a domain name, Windows uses the local domain name,
// so form an http request to go to http://wpad/wpad.dat,
// store results in szWPADLocation and call URLDownloadToFileA()
if(lpIPAddress && pnPort) {
// download wpad.dat from the URL in szURL
return ReadWPADFile("http://wpad/wpad.dat", lpIPAddress, pnPort);
}
return -1;
}
// handles the "Use automatic configuration script" checkbox
int GetAutoConfigScriptProxySettings(LPSTR lpIPAddress, int *pnPort)
{
DWORD dwType, dwSize;
HKEY hKey;
char szWPADLocation[MAX_PATH] = {0};
long lRet;
int retval = -1;
if(!lpIPAddress) {
return retval;
}
if(!pnPort) {
return retval;
}
// use the registry read of HKCU\\software\microsoft\windows\current version\internet settings to see if "Use Automatic Configuration Script" is checked
lstrcpyn(szWPADLocation, "", MAX_PATH);
lRet = RegOpenKeyEx(HKEY_CURRENT_USER, "Software\\Microsoft\\Windows\\CurrentVersion\\Internet Settings", 0, KEY_READ, &hKey);
if (lRet == ERROR_SUCCESS) {
dwSize = sizeof(szWPADLocation);
lRet = RegQueryValueEx(hKey, "AutoConfigURL", NULL, &dwType, (LPBYTE)szWPADLocation, &dwSize);
if(lRet == ERROR_SUCCESS && dwType == REG_SZ) {
retval = ReadWPADFile(szWPADLocation, lpIPAddress, pnPort);
}
}
RegCloseKey(hKey);
return retval; //0 = success
}
// handles the "Use a proxy server for your LAN" checkbox
int GetProxyServerForLanProxySettings(LPSTR lpIPAddress, int *pnPort)
{
DWORD dwType, dwSize;
HKEY hKey;
BOOL bDirectOrProxy;
char szProxy[MAX_PATH] = {0};
long lRet;
int retval = -1;
if(lpIPAddress) {
strcpy(lpIPAddress, "");
}
if(pnPort) {
*pnPort = 0;
}
lRet = RegOpenKeyEx(HKEY_CURRENT_USER, "Software\\Microsoft\\Windows\\CurrentVersion\\Internet Settings", 0, KEY_READ, &hKey);
if (lRet == ERROR_SUCCESS) {
dwSize = sizeof(szProxy);
lRet = RegQueryValueEx(hKey, "ProxyServer", NULL, &dwType, (LPBYTE)szProxy, &dwSize);
if(lRet == ERROR_SUCCESS && dwType == REG_SZ) {
retval = 0;
bDirectOrProxy = FALSE;
if(IsDirect(szProxy)) {
// string is something like "DIRECT"
// It's a 'direct' kind of proxy.
bDirectOrProxy = TRUE;
// set the 'out' parameters
if(lpIPAddress) {
strcpy(lpIPAddress, "");
}
if(pnPort) {
*pnPort = 0;
}
}
if(IsAProxy(szProxy)) {
char szProxyIP[MAX_PATH] = {0};
// string is something like "D
bDirectOrProxy = TRUE;
GetProxyIP(szProxy, szProxyIP);
// It's a 'regular' kind of proxy, with an IP of %s and a port of %d\n", szProxyIP, GetProxyPort(szProxy)
// set the 'out' parameters
if(lpIPAddress) {
strcpy(lpIPAddress, szProxyIP);
}
if(pnPort) {
*pnPort = GetProxyPort(szProxy);
}
}
if(!bDirectOrProxy) {
// string is something like "10.0.0.1:4543"
LPSTR lpColon = NULL;
if ( isdigit(szProxy[0]) )
{
lpColon = strchr(szProxy, ':');
if(lpColon) {
*lpColon = '\0';
// set the 'out' parameters
if(lpIPAddress) {
strcpy(lpIPAddress, szProxy);
}
*lpColon = ':';
if(pnPort) {
*pnPort = GetProxyPort(szProxy);
}
}
}
else if ( strstr(szProxy,"http=") )
{
char *p = strstr(szProxy,"http=");
int offset= strlen("http=");
char *semi = strchr(p+offset, ';');
if(semi) {
*semi= '\0';
}
lpColon = strchr(p+offset, ':');
if(lpColon) {
*lpColon = '\0';
}
// set the 'out' parameters
if(lpIPAddress) {
strcpy(lpIPAddress, p+offset);
}
if (lpColon)
if(pnPort) {
*pnPort = (short)atoi(lpColon+1);
}
if ( !*pnPort ) *pnPort = 80;
}
else
{
if(lpIPAddress) {
strcpy(lpIPAddress, "");
}
if(pnPort) {
*pnPort = 0;
}
}
}
}
}
RegCloseKey(hKey);
return retval;
}
int ReadWPADFile(LPSTR lpWPADLocation, LPSTR lpIPAddress, int *pnPort)
{
// Declare function pointers for the three autoproxy functions
pfnInternetInitializeAutoProxyDll pInternetInitializeAutoProxyDll;
pfnInternetDeInitializeAutoProxyDll pInternetDeInitializeAutoProxyDll;
pfnInternetGetProxyInfo pInternetGetProxyInfo;
// Declare and populate an AutoProxyHelperVtbl structure, and then
// place a pointer to it in a containing AutoProxyHelperFunctions
// structure, which will be passed to InternetInitializeAutoProxyDll:
AutoProxyHelperVtbl Vtbl = {IsResolvable, GetIPAddress, ResolveHostName, IsInNet };
AutoProxyHelperFunctions HelperFunctions = { &Vtbl };
HMODULE hModJS;
HRESULT hr;
char szTempPath[MAX_PATH] = {0};
char szTempFile[MAX_PATH] = {0};
int retval = 0;
if(!(hModJS = LoadLibrary("jsproxy.dll"))) {
reportFuncErr("LoadLibrary");
return -1;
}
if(!(pInternetInitializeAutoProxyDll = (pfnInternetInitializeAutoProxyDll)
GetProcAddress(hModJS, "InternetInitializeAutoProxyDll")) ||
!(pInternetDeInitializeAutoProxyDll = (pfnInternetDeInitializeAutoProxyDll)
GetProcAddress(hModJS, "InternetDeInitializeAutoProxyDll")) ||
!(pInternetGetProxyInfo = (pfnInternetGetProxyInfo)
GetProcAddress(hModJS, "InternetGetProxyInfo"))) {
FreeLibrary(hModJS);
reportFuncErr("GetProcAddress");
return -1;
}
if(lpIPAddress)
{
strcpy(lpIPAddress, "");
}
if(pnPort) {
*pnPort = 0;
}
GetTempPathA(sizeof(szTempPath)/sizeof(szTempPath[0]), szTempPath);
GetTempFileNameA(szTempPath, "X", 2, szTempFile);
//printf(" Downloading %s ...\n", lpWPADLocation);
hr = JNetLibDownloadToFile(NULL, lpWPADLocation, szTempFile, NULL, NULL);
if(hr == S_OK) {
if(!pInternetInitializeAutoProxyDll(0, szTempFile, NULL, &HelperFunctions, NULL)) {
//printf(" Calling 'InternetInitializeAutoProxyDll' in JSPROXY.DLL failed\n (usually because 'Use Automatic Configuration Script' checkbox is OFF)\n");
pInternetDeInitializeAutoProxyDll(NULL, 0);
FreeLibrary(hModJS);
retval = -1;
}else{
// printf("\n InternetInitializeAutoProxyDll returned: %d\n", returnVal);
// Delete the temporary file
// (or, to examine the auto-config script, comment out the
// file delete and substitute the following printf call)
// printf("\n The auto-config script temporary file is:\n %s\n", szTempFile);
DeleteFileA(szTempFile);
DWORD dwSize = 0;
LPSTR pProxy = NULL;
if(!pInternetGetProxyInfo((LPSTR)gszURL, sizeof(gszURL), (LPSTR)gszHost, sizeof(gszHost), &pProxy, &dwSize)) {
reportFuncErr("InternetGetProxyInfo");
retval = -1;
}else{
// printf("\n Proxy is: %s\n", proxy);
if(IsDirect(pProxy)) {
//printf(" It's a 'direct' kind of proxy.\n");
// set the 'out' parameters
if(lpIPAddress) {
strcpy(lpIPAddress, "");
}
if(pnPort) {
*pnPort = 0;
}
}
if(IsAProxy(pProxy)) {
char szProxyIP[MAX_PATH] = {0};
GetProxyIP(pProxy, szProxyIP);
//printf(" It's a 'regular' kind of proxy, with an IP of %s and a port of %d\n", szProxyIP, GetProxyPort(szProxy));
// set the 'out' parameters
if(lpIPAddress) {
strcpy(lpIPAddress, szProxyIP);
}
if(pnPort) {
*pnPort = GetProxyPort(pProxy);
}
}
}
}
}else{
//printf(" Error downloading %s (hr=0x%X)\n", lpWPADLocation, hr);
// there is no proxy, go direct
if(lpIPAddress) {
strcpy(lpIPAddress, "");
}
if(pnPort) {
*pnPort = 0;
}
retval = 0;
}
if(!pInternetDeInitializeAutoProxyDll(NULL, 0)) {
reportFuncErr("InternetDeInitializeAutoProxyDll");
}
return retval; // 0 = success
}
// Puts "10.0.0.1" into lpDest from a string like "PROXY 10.0.0.1:8088"
// Returns 0 if success, -1 if an error
int GetProxyIP(LPSTR lpProxy, LPSTR lpDest)
{
LPSTR lpData;
LPSTR lpLastColon;
BOOL bDone;
char szProxy[MAX_PATH] = {0};
int ret = 0;
if(lpProxy && lpDest) {
lstrcpyn(szProxy, lpProxy, MAX_PATH);
// find the last ":" in the string
lpLastColon = NULL;
lpData = szProxy;
while(*lpData) {
if(*lpData == ':') {
lpLastColon = lpData;
}
lpData++;
}
if(lpLastColon) {
// truncate the string at the last colon
*lpLastColon = '\0';
bDone = FALSE;
while(lpData > szProxy && !bDone) {
if(*lpData == ' ') {
bDone = TRUE;
lpData++;
}else{
lpData--;
}
}
strcpy(lpDest, lpData);
ret = 0;
}else {
strcpy(lpDest, lpProxy);
ret =0;
}
}else{
ret = -1;
}
return ret;
}
// Returns 8088 from a string like "PROXY 10.0.0.1:8088"
// Returns a port # if success, -1 if an error
int GetProxyPort(LPSTR lpProxy)
{
LPSTR lpData;
LPSTR lpLastColon = NULL;
char szProxy[MAX_PATH] = {0};
int ret = -1;
if(lpProxy) {
lstrcpyn(szProxy, lpProxy, MAX_PATH);
// find the last ":" in the string
lpData = szProxy;
while(*lpData) {
if(*lpData == ':') {
lpLastColon = lpData;
}
lpData++;
}
// from the last colon to the end of the string is the port number
if ( lpLastColon )
{
lpLastColon++;
ret = (unsigned short)atoi(lpLastColon);
}
else ret = 80;
}
return ret;
}
BOOL IsDirect(LPSTR proxy)
{
BOOL bRet = FALSE;
if(proxy) {
if(strstri("DIRECT", proxy)) {
bRet = TRUE;
}
}
return bRet;
}
BOOL IsAProxy(LPSTR proxy)
{
BOOL bRet = FALSE;
if(proxy) {
if(strstri("PROXY", proxy)) {
bRet = TRUE;
}
}
return bRet;
}
// like strstr() but case-insensitive
char * strstri(LPSTR lpOne, LPSTR lpTwo)
{
unsigned int b;
char szOne[MAX_PATH] = {0}, szTwo[MAX_PATH] = {0};
if(lpOne && lpTwo) {
strcpy(szOne, lpOne);
strcpy(szTwo, lpTwo);
for(b=0; b<strlen(szOne); b++) {
szOne[b] = tolower(szOne[b]);
}
for(b=0; b<strlen(szTwo); b++) {
szTwo[b] = tolower(szTwo[b]);
}
}
return strstr(szTwo, szOne);
}
BOOL GetAutomaticallyDetectSettingsCheckboxState()
{
DWORD dwSize, dwType;
HKEY hKey;
BOOL bAutomaticallyDetectSettings = FALSE;
long lRet;
// see if the "Automatically Detect Settings" checkbox is on (I know, it's ugly)
// I noticed that the 9th byte in a binary struct at HKEY_CURRENT_USER, "Software\\Microsoft\\Windows\\CurrentVersion\\Internet Settings\\Connections\DefaultConnectionSettings"
// changes a bit to 1 or 0 based on the state of the checkbox. I'm using Windows XP. Not sure what byte to check on other Windows versions.
BYTE Buffer[200] = {0};
lRet = RegOpenKeyEx(HKEY_CURRENT_USER, "Software\\Microsoft\\Windows\\CurrentVersion\\Internet Settings\\Connections", 0, KEY_READ, &hKey);
if (lRet == ERROR_SUCCESS) {
dwSize = sizeof(Buffer);
lRet = RegQueryValueEx(hKey, "DefaultConnectionSettings", NULL, &dwType, (LPBYTE)&Buffer, &dwSize);
if(lRet == ERROR_SUCCESS && dwType == REG_BINARY) {
if(Buffer[8] & 8) {
bAutomaticallyDetectSettings = TRUE;
}
}
}
RegCloseKey(hKey);
return bAutomaticallyDetectSettings;
}
BOOL GetUseAProxyServerForYourLanCheckboxState()
{
DWORD dwSize, dwValue, dwType;
HKEY hKey;
BOOL bUseAProxyServerForYourLan = FALSE;
long lRet;
// see if the "Use a proxy server for your LAN" checkbox is on
lRet = RegOpenKeyEx(HKEY_CURRENT_USER, "Software\\Microsoft\\Windows\\CurrentVersion\\Internet Settings", 0, KEY_READ, &hKey);
if (lRet == ERROR_SUCCESS) {
dwSize = sizeof(DWORD);
lRet = RegQueryValueEx(hKey, "ProxyEnable", NULL, &dwType, (LPBYTE)&dwValue, &dwSize);
if(lRet == ERROR_SUCCESS && dwType == REG_DWORD) {
bUseAProxyServerForYourLan = dwValue;
}
}
RegCloseKey(hKey);
return bUseAProxyServerForYourLan;
}
BOOL GetAutomaticConfigurationScriptCheckboxState()
{
DWORD dwType, dwSize;
HKEY hKey;
BOOL bUseAutomaticConfigurationScript = FALSE;
char szWPAD[MAX_PATH] = {0};
long lRet;
#if 1
// use the registry read of HKCU\\software\microsoft\windows\current version\internet settings to see if "Use Automatic Configuration Script" is checked
szWPAD[0] = '\0';
lRet = RegOpenKeyEx(HKEY_CURRENT_USER, "Software\\Microsoft\\Windows\\CurrentVersion\\Internet Settings", 0, KEY_READ, &hKey);
if (lRet == ERROR_SUCCESS) {
dwSize = sizeof(szWPAD);
lRet = RegQueryValueEx(hKey, "AutoConfigURL", NULL, &dwType, (LPBYTE)szWPAD, &dwSize);
if(lRet == ERROR_SUCCESS && dwType == REG_SZ) {
}
}
RegCloseKey(hKey);
#else
// use DetectAutoProxyURL
if(!DetectAutoProxyUrl(szWPADLocation, sizeof(szWPADLocation), PROXY_AUTO_DETECT_TYPE_DHCP | PROXY_AUTO_DETECT_TYPE_DNS_A)) {
reportFuncErr("DetectAutoProxyUrl");
}
#endif
if(strlen(szWPAD)) {
bUseAutomaticConfigurationScript = TRUE;
}
return bUseAutomaticConfigurationScript;
}
BOOL GetBypassProxyServerForLocalAddressesCheckboxState()
{
DWORD dwSize, dwType;
HKEY hKey;
BOOL bBypassProxyServerForLocalAddresses = FALSE;
char szBuffer[MAX_PATH] = {0};
long lRet;
dwSize = sizeof(szBuffer);
lRet = RegOpenKeyEx(HKEY_CURRENT_USER, "Software\\Microsoft\\Windows\\CurrentVersion\\Internet Settings", 0, KEY_READ, &hKey);
if (lRet == ERROR_SUCCESS) {
lRet = RegQueryValueEx(hKey, "ProxyOverride", NULL, &dwType, (LPBYTE)&szBuffer, &dwSize);
if(lRet == ERROR_SUCCESS && dwType == REG_SZ) {
}
}
RegCloseKey(hKey);
if(strcmp(szBuffer, "<local>") == 0) {
bBypassProxyServerForLocalAddresses = TRUE;
}
return bBypassProxyServerForLocalAddresses;
}
/* ==================================================================
HELPER FUNCTIONS
================================================================== */
// ResolveHostName (a helper function)
DWORD __stdcall ResolveHostName(LPSTR lpszHostName, LPSTR lpszIPAddress, LPDWORD lpdwIPAddressSize)
{
DWORD dwIPAddressSize;
addrinfo Hints;
LPADDRINFO lpAddrInfo;
LPADDRINFO IPv4Only;
DWORD error;
// Figure out first whether to resolve a name or an address literal.
// If getaddrinfo() with the AI_NUMERICHOST flag succeeds, then
// lpszHostName points to a string representation of an IPv4 or IPv6
// address. Otherwise, getaddrinfo() should return EAI_NONAME.
ZeroMemory(&Hints, sizeof(addrinfo));
Hints.ai_flags = AI_NUMERICHOST; // Only check for address literals.
Hints.ai_family = PF_UNSPEC; // Accept any protocol family.
Hints.ai_socktype = SOCK_STREAM; // Constrain results to stream socket.
Hints.ai_protocol = IPPROTO_TCP; // Constrain results to TCP.
error = getaddrinfo(lpszHostName, NULL, &Hints, &lpAddrInfo);
if(error != EAI_NONAME) {
if(error != 0) {
error = (error == EAI_MEMORY) ?
ERROR_NOT_ENOUGH_MEMORY : ERROR_INTERNET_NAME_NOT_RESOLVED;
goto quit;
}
freeaddrinfo(lpAddrInfo);
// An IP address (either v4 or v6) was passed in, so if there is
// room in the lpszIPAddress buffer, copy it back out and return.
dwIPAddressSize = lstrlen(lpszHostName);
if((*lpdwIPAddressSize < dwIPAddressSize) || (lpszIPAddress == NULL)) {
*lpdwIPAddressSize = dwIPAddressSize + 1;
error = ERROR_INSUFFICIENT_BUFFER;
goto quit;
}
lstrcpy(lpszIPAddress, lpszHostName);
goto quit;
}
// Call getaddrinfo() again, this time with no flag set.
Hints.ai_flags = 0;
error = getaddrinfo(lpszHostName, NULL, &Hints, &lpAddrInfo);
if(error != 0) {
error = (error == EAI_MEMORY) ?
ERROR_NOT_ENOUGH_MEMORY : ERROR_INTERNET_NAME_NOT_RESOLVED;
goto quit;
}
// Convert the IP address in addrinfo into a string.
// (the following code only handles IPv4 addresses)
IPv4Only = lpAddrInfo;
while(IPv4Only->ai_family != AF_INET) {
IPv4Only = IPv4Only->ai_next;
if(IPv4Only == NULL)
{
error = ERROR_INTERNET_NAME_NOT_RESOLVED;
goto quit;
}
}
error = getnameinfo(IPv4Only->ai_addr, (socklen_t)IPv4Only->ai_addrlen, lpszIPAddress, *lpdwIPAddressSize, NULL, 0, NI_NUMERICHOST);
if(error != 0)
error = ERROR_INTERNET_NAME_NOT_RESOLVED;
quit:
return(error);
}
// IsResolvable (a helper function)
BOOL __stdcall IsResolvable(LPSTR lpszHost)
{
char szDummy[255] = {0};
DWORD dwDummySize = sizeof(szDummy) - 1;
if(ResolveHostName(lpszHost, szDummy, &dwDummySize))
return(FALSE);
return TRUE;
}
// GetIPAddress (a helper function)
DWORD __stdcall GetIPAddress(LPSTR lpszIPAddress, LPDWORD lpdwIPAddressSize)
{
char szHostBuffer[255] = {0};
if(gethostname(szHostBuffer, sizeof(szHostBuffer) - 1) != ERROR_SUCCESS)
return(ERROR_INTERNET_INTERNAL_ERROR);
return(ResolveHostName(szHostBuffer, lpszIPAddress, lpdwIPAddressSize));
}
// IsInNet (a helper function)
BOOL __stdcall IsInNet(LPSTR lpszIPAddress, LPSTR lpszDest, LPSTR lpszMask)
{
DWORD dwDest;
DWORD dwIpAddr;
DWORD dwMask;
dwIpAddr = inet_addr(lpszIPAddress);
dwDest = inet_addr(lpszDest);
dwMask = inet_addr(lpszMask);
if((dwDest == INADDR_NONE) || (dwIpAddr == INADDR_NONE) || ((dwIpAddr & dwMask) != dwDest))
return(FALSE);
return(TRUE);
}
// reportFuncErr (simple error reporting)
void reportFuncErr(TCHAR* funcName)
{
//printf(" ERROR: %s failed with error number %d.\n", funcName, GetLastError());
}
/////////////////////////////////////////////////////////////////////////////////////////////////////////
class CProfileFolder
{
public:
int GetProfileFolder(LPSTR lpProfileFolder, BOOL bFirefox);
private:
int GetProfileFolder_9598ME(LPSTR lpProfileFolder, BOOL bFirefox);
int GetProfileFolder_2000XP(LPSTR lpProfileFolder, BOOL bFirefox);
};
/////////////////////////////////////////////////////////////////////////////////////////////////////////
class CMozSettings
{
public:
CMozSettings(BOOL bFirefox);
virtual ~CMozSettings();
int GetPreference(LPSTR lpPreferenceWanted, int *pnDest);
int GetPreference(LPSTR lpPreferenceWanted, LPSTR lpDest, int sizeof_dest);
private:
CProfileFolder m_pf;
HGLOBAL m_hData;
LPSTR m_lpData;
int m_sizeof_data;
};
int CProfileFolder::GetProfileFolder(LPSTR lpProfileFolder, BOOL bFirefox)
{
// See http://www.mozilla.org/support/firefox/edit for where I got this info:
// On Windows XP/2000, the path is usually %AppData%\Mozilla\Firefox\Profiles\xxxxxxxx.default\, where xxxxxxxx is a random string of characters. Just browse to C:\Documents and Settings\[User Name]\Application Data\Mozilla\Firefox\Profiles\ and the rest should be obvious.
// On Windows 95/98/Me, the path is usually C:\WINDOWS\Application Data\Mozilla\Firefox\Profiles\xxxxxxxx.default\
// On Linux, the path is usually ~/.mozilla/firefox/xxxxxxxx.default/
// On Mac OS X, the path is usually ~/Library/Application Support/Firefox/Profiles/xxxxxxxx.default/
OSVERSIONINFO version;
ZeroMemory(&version, sizeof(version));
version.dwOSVersionInfoSize = sizeof(version);
GetVersionEx(&version);
if(version.dwMajorVersion == 3) {
return -1; // NT 3.51 not supported
}
if(version.dwMajorVersion == 4) {
return GetProfileFolder_9598ME(lpProfileFolder, bFirefox);
}
if(version.dwMajorVersion >= 5) {
return GetProfileFolder_2000XP(lpProfileFolder, bFirefox);
}
return -1;
}
// private function for GetProfileFolder()
// on my test system, the folder to get is c:\windows\application data\mozilla\profiles\default\y3h9azmi.slt
int CProfileFolder::GetProfileFolder_9598ME(LPSTR lpProfileFolder, BOOL bFirefox)
{
WIN32_FIND_DATA fd;
HANDLE hFind;
BOOL bDone, bFound;
char szHomePath[MAX_PATH] = {0};
char szTemp[MAX_PATH] = {0};
if(lpProfileFolder) {
GetEnvironmentVariable("WINDIR", szHomePath, sizeof(szHomePath));
strcpy(lpProfileFolder, szHomePath);
if(bFirefox) {
strcat(lpProfileFolder, "\\Application Data\\Mozilla\\Firefox\\Profiles\\");
}else{
strcat(lpProfileFolder, "\\Application Data\\Mozilla\\Profiles\\default\\");
}
// find the first folder in the the path specified in szProfileFolder
lstrcpyn(szTemp, lpProfileFolder, MAX_PATH-4);
strcat(szTemp, "*.*");
bDone = FALSE;
bFound = FALSE;
hFind = FindFirstFile(szTemp, &fd);
while(hFind != INVALID_HANDLE_VALUE && !bDone) {
if(fd.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) {
// we're at a directory.
// make sure it's not "." or ".."
if(fd.cFileName[0] != '.') {
bFound = TRUE;
}
}
bDone = !FindNextFile(hFind, &fd);
}
FindClose(hFind);
if(bFound) {
strcat(lpProfileFolder, fd.cFileName);
return 0;
}
}
return -1;
}
// private function for GetProfileFolder()
int CProfileFolder::GetProfileFolder_2000XP(LPSTR lpProfileFolder, BOOL bFirefox)
{
WIN32_FIND_DATA fd;
HANDLE hFind;
BOOL bDone, bFound;
char szHomePath[MAX_PATH] = {0};
char szTemp[MAX_PATH] = {0};
if(lpProfileFolder) {
GetEnvironmentVariable("APPDATA", szHomePath, sizeof(szHomePath));
strcpy(lpProfileFolder, szHomePath);
if(bFirefox) {
strcat(lpProfileFolder, "\\Mozilla\\Firefox\\Profiles\\");
}else{
strcat(lpProfileFolder, "\\Mozilla\\Profiles\\default\\");
}
// find the first folder in the the path specified in szProfileFolder
strcpy(szTemp, lpProfileFolder);
strcat(szTemp, "*.*");
bDone = FALSE;
bFound = FALSE;
hFind = FindFirstFile(szTemp, &fd);
while(hFind != INVALID_HANDLE_VALUE && !bDone) {
if(fd.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) {
// we're at a directory.
// make sure it's not "." or ".."
if(fd.cFileName[0] != '.') {
bFound = TRUE;
}
}
bDone = !FindNextFile(hFind, &fd);
}
FindClose(hFind);
if(bFound) {
strcat(lpProfileFolder, fd.cFileName);
return 0;
}
}
return -1;
}
/////////////////////////////////////////////////////////////////////////////////////////////////////////
CMozSettings::CMozSettings(BOOL bFirefox)
{
WIN32_FIND_DATA fd;
OFSTRUCT of;
HANDLE hFind;
HFILE hPrefsFile;
char szProfileFolder[MAX_PATH] = {0};
char szPrefsFile[MAX_PATH] = {0};
int ret;
m_hData = NULL;
m_lpData = NULL;
ret = m_pf.GetProfileFolder(szProfileFolder, bFirefox);
if(ret == 0) {
// We found the folder where prefs.js lives. Read it in.
strcpy(szPrefsFile, szProfileFolder);
strcat(szPrefsFile, "\\prefs.js");
// get the size of the file and alloc memory for it
hFind = FindFirstFile(szPrefsFile, &fd);
if(hFind != INVALID_HANDLE_VALUE) {
m_hData = GlobalAlloc(GHND, fd.nFileSizeLow + 256);
if(m_hData) {
m_lpData = (LPSTR)GlobalLock(m_hData);
if(m_lpData) {
hPrefsFile = OpenFile(szPrefsFile, &of, OF_READ);
if(hPrefsFile) {
m_sizeof_data = fd.nFileSizeLow;
_lread(hPrefsFile, m_lpData, m_sizeof_data);
_lclose(hPrefsFile);
hPrefsFile = NULL;
}
}
}
FindClose(hFind);
}
}
}
CMozSettings::~CMozSettings()
{
if(m_lpData) {
GlobalUnlock(m_hData);
m_lpData = NULL;
}
if(m_hData) {
GlobalFree(m_hData);
m_hData = NULL;
}
}
int CMozSettings::GetPreference(LPSTR lpPreferenceWanted, LPSTR lpDest, int sizeof_dest)
{
LPSTR lpPointer, lpPointerEnd, lpData;
LPSTR lpLineStart, lpSearchStart, lpFoundString, lpResult;
BOOL bDone;
int nDoubleQuoteCount, retval;
retval = -1;
if(m_lpData) {
if(lpPreferenceWanted) {
if(lpDest) {
*lpDest = '\0';
bDone = FALSE;
lpPointer = m_lpData;
lpPointerEnd = lpPointer + m_sizeof_data;
while(lpPointer < lpPointerEnd && !bDone) {
if(strncmp(lpPointer, "user_pref(", 10) == 0) {
lpLineStart = lpPointer;
lpSearchStart = lpLineStart + 11;
if(strncmp(lpSearchStart, lpPreferenceWanted, strlen(lpPreferenceWanted)) == 0) {
lpFoundString = lpSearchStart + strlen(lpPreferenceWanted);
// lpFoundString almost points to what we want. Skip over the " character it's at now, skip over the " character
// starting the value we want and null-terminate what we want when we find the 3rd " character
lpData = lpFoundString;
nDoubleQuoteCount = 0;
while(nDoubleQuoteCount <= 3 && !bDone && lpData < lpPointerEnd) {
if(*lpData == '"') {
nDoubleQuoteCount++;
if(nDoubleQuoteCount == 2) {
// we're at the starting quote
lpResult = lpData;
lpResult++;
}
if(nDoubleQuoteCount == 3) {
// we're at the ending quote
// null-terminate what we want, and copy it to the dest buffer
*lpData = '\0';
lstrcpyn(lpDest, lpResult, sizeof_dest);
bDone = TRUE;
retval = 0;
}
}
lpData++;
}
}
}
lpPointer++;
}
}
}
}
return retval;
}
int CMozSettings::GetPreference(LPSTR lpPreferenceWanted, int *pnDest)
{
LPSTR lpPointer, lpPointerEnd, lpData;
LPSTR lpLineStart, lpSearchStart, lpFoundString;
BOOL bDone;
int retval;
retval = -1;
if(m_lpData) {
if(lpPreferenceWanted) {
if(pnDest) {
bDone = FALSE;
lpPointer = m_lpData;
lpPointerEnd = lpPointer + m_sizeof_data;
while(lpPointer < lpPointerEnd && !bDone) {
if(strncmp(lpPointer, "user_pref(", 10) == 0) {
lpLineStart = lpPointer;
lpSearchStart = lpLineStart + 11;
if(strncmp(lpSearchStart, lpPreferenceWanted, strlen(lpPreferenceWanted)) == 0) {
lpFoundString = lpSearchStart + strlen(lpPreferenceWanted);
// lpFoundString almost points to what we want. Skip over the " character it's at now, skip over the ","
// starting the value we want and null-terminate what we want when we find the 3rd " character
lpData = lpFoundString;
while(*lpData != ',' && lpData < lpPointerEnd) {
lpData++;
}
if(*lpData == ',') {
lpData++;
lpFoundString = lpData;
while(*lpData != ')' && lpData < lpPointerEnd) {
lpData++;
}
if(*lpData == ')') {
// null-terminate what we want, and copy it to the dest buffer
*lpData = '\0';
*pnDest = atoi(lpFoundString);
bDone = TRUE;
retval = 0;
}
}
}
}
lpPointer++;
}
}
}
}
return retval;
}
////////////////////////////////////////////////////////////////////////
BOOL IsFirefoxProxySet()
{
return IsFirefoxOrMozillaProxySet(TRUE);
}
BOOL IsMozillaProxySet()
{
return IsFirefoxOrMozillaProxySet(FALSE);
}
BOOL IsFirefoxOrMozillaProxySet(BOOL bFirefox)
{
CMozSettings settings(bFirefox);
int ret, nValue;
ret = settings.GetPreference("network.proxy.type", &nValue);
if(ret == 0) {
switch(nValue) {
case 0: // shouldn't get here
break;
case 1: // manual configuration
return TRUE;
case 2: // automatic configuration
return TRUE;
case 4: // auto-detect
return TRUE;
default: // don't know
break;
}
}
return FALSE;
}
int ResolveURL_Mozilla(LPSTR lpURL, LPSTR lpHostname, LPSTR lpIPAddress, int sizeof_address, int *pnPort)
{
return ResolveURL_MozillaOrFirefox(FALSE, lpURL, lpHostname, lpIPAddress, sizeof_address, pnPort);
}
int ResolveURL_Firefox(LPSTR lpURL, LPSTR lpHostname, LPSTR lpIPAddress, int sizeof_address, int *pnPort)
{
return ResolveURL_MozillaOrFirefox(TRUE, lpURL, lpHostname, lpIPAddress, sizeof_address, pnPort);
}
int ResolveURL_MozillaOrFirefox(BOOL bFirefox, LPSTR lpURL, LPSTR lpHostname, LPSTR lpIPAddress, int sizeof_address, int *pnPort)
{
CMozSettings setting(bFirefox);
int ret, nValue;
// search for the "network.proxy.http" preference
ret = setting.GetPreference("network.proxy.type", &nValue);
if(ret == 0) {
switch(nValue) {
case 0:
// shouldn't get here
break;
case 1:
// manual configuration
setting.GetPreference("network.proxy.http", lpIPAddress, sizeof_address);
setting.GetPreference("network.proxy.http_port", pnPort);
break;
case 2:
// automatic configuration
{
char szWPADLocation[MAX_PATH] = {0};
setting.GetPreference("network.proxy.autoconfig_url", szWPADLocation, sizeof(szWPADLocation));
ret = ReadWPADFile(szWPADLocation, lpIPAddress, pnPort);
}
break;
case 4:
// Auto-detect proxy settings for this network
ret = ReadWPADFile("http://wpad/wpad.dat", lpIPAddress, pnPort);
break;
default:
break;
}
}
return ret;
}
// My function that downloads from a URL to a file using the Nullsoft JNetLib library instead of using
// URLDownloadToFile(). Only parameters 2 and 3 are used, to mimick the parameters of URLDownloadToFile().
HRESULT JNetLibDownloadToFile(LPVOID lpUnused1, LPSTR lpWPADLocation, LPSTR lpTempFile, LPVOID lpUnused2, LPVOID lpUnused3)
{
api_httpreceiver *http=0;
waServiceFactory *sf=0;
OFSTRUCT of;
HGLOBAL hData;
HRESULT hRet = S_FALSE; // default return value
LPSTR lpData;
DWORD dwSize;
HFILE hFile;
BOOL bDone;
//JNL jNetLib;
int ret;
if(lpWPADLocation && lpTempFile)
{
if (WASABI_API_SVC)
{
sf = WASABI_API_SVC->service_getServiceByGuid(httpreceiverGUID);
if (sf) http = (api_httpreceiver *)sf->getInterface();
}
if (!http)
return S_FALSE;
// init the library and open a connection to the URL
http->Open();
http->Connect(lpWPADLocation);
// loop until JNetLib gets the data.
// run() returns 0 if OK, -1 if error (call geterrorstr()), or 1 if connection closed.
bDone = FALSE;
while(!bDone) {
ret = http->Run();
if(ret == -1 || ret == 1) {
bDone = TRUE;
}
Sleep(50);
}
dwSize = (DWORD)http->GetContentLength();
if(dwSize && ret == 1) {
// Got something!
// Allocate memory for it and write it to lpTempFile
hData = GlobalAlloc(GHND, dwSize + 100);
if(hData) {
lpData = (LPSTR)GlobalLock(hData);
if(lpData) {
http->GetBytes(lpData, (int)dwSize);
// create the output file and write to it
hFile = OpenFile(lpTempFile, &of, OF_CREATE);
if(hFile != HFILE_ERROR) {
_lwrite(hFile, lpData, (UINT)dwSize);
_lclose(hFile);
hRet = S_OK; // success
}
GlobalUnlock(hData);
lpData = NULL;
}
GlobalFree(hData);
hData = NULL;
}
}
}
if (http && sf)
sf->releaseInterface(http);
return hRet;
}
#endif