SEXP R_proxy_info(){
WINHTTP_CURRENT_USER_IE_PROXY_CONFIG MyProxyConfig;
if(!WinHttpGetIEProxyConfigForCurrentUser(&MyProxyConfig)){
return R_NilValue;
}
char buffer[500];
SEXP vec = PROTECT(allocVector(VECSXP, 4));
SET_VECTOR_ELT(vec, 0, ScalarLogical(MyProxyConfig.fAutoDetect));
if(MyProxyConfig.lpszAutoConfigUrl != NULL) {
wcstombs(buffer, MyProxyConfig.lpszAutoConfigUrl, 500);
SET_VECTOR_ELT(vec, 1, mkString(buffer));
}
if(MyProxyConfig.lpszProxy != NULL) {
wcstombs(buffer, MyProxyConfig.lpszProxy, 500);
SET_VECTOR_ELT(vec, 2, mkString(buffer));
}
if(MyProxyConfig.lpszProxyBypass != NULL) {
wcstombs(buffer, MyProxyConfig.lpszProxyBypass, 500);
SET_VECTOR_ELT(vec, 3, mkString(buffer));
}
setAttrib(vec, R_NamesSymbol, proxy_namesvec());
UNPROTECT(1);
return vec;
}
/*----------------------------------------------------------------------
| NPT_HttpProxySelector::GetSystemDefault
+---------------------------------------------------------------------*/
NPT_HttpProxySelector*
NPT_HttpProxySelector::GetSystemDefault()
{
NPT_AutoLock lock(NPT_Win32HttpLock);
if (NPT_Win32HttpHandle == INVALID_HANDLE_VALUE) {
WINHTTP_CURRENT_USER_IE_PROXY_CONFIG config;
BOOL result = WinHttpGetIEProxyConfigForCurrentUser(&config);
}
return NULL;
}
void HttpProtocol::initialize(dictionary* ini, const char* section)
{
char* url = INI::GetString(ini, section, FS_URL, NULL);
if(!url) {
Log::Error("Missing URL for HTTP protocol");
return;
}
Log::Info("Setup session for: %s", url);
int usz = MultiByteToWideChar(CP_ACP, 0, url, strlen(url), 0, 0);
this->url = (wchar_t*) malloc((usz + 1) * sizeof(wchar_t));
MultiByteToWideChar(CP_ACP, 0, url, strlen(url), this->url, usz);
this->url[usz] = 0;
memset(&urlc, 0, sizeof(URL_COMPONENTS));
urlc.dwStructSize = sizeof(URL_COMPONENTS);
urlc.dwSchemeLength = 1;
urlc.dwHostNameLength = 1;
urlc.dwUserNameLength = 1;
urlc.dwPasswordLength = 1;
urlc.dwUrlPathLength = 1;
urlc.dwExtraInfoLength = 1;
WinHttpCrackUrl(this->url, usz, 0, &urlc);
this->host = (wchar_t*) malloc((urlc.dwHostNameLength + 1) * sizeof(wchar_t));
memcpy(this->host, urlc.lpszHostName, urlc.dwHostNameLength*sizeof(wchar_t));
this->host[urlc.dwHostNameLength] = 0;
this->path = (wchar_t*) malloc((urlc.dwUrlPathLength + 1) * sizeof(wchar_t));
memcpy(this->path, urlc.lpszUrlPath, urlc.dwUrlPathLength*sizeof(wchar_t));
this->path[urlc.dwUrlPathLength] = 0;
// Determine proxy
char* proxy = INI::GetString(ini, section, FS_PROXY, NULL);
if(proxy) {
Log::Info("Using proxy: %s", proxy);
int psz = MultiByteToWideChar(CP_ACP, 0, url, strlen(url), 0, 0);
wchar_t* wproxy = (wchar_t*) malloc((psz + 1) * sizeof(wchar_t));
MultiByteToWideChar(CP_ACP, 0, proxy, strlen(proxy), wproxy, psz);
wproxy[psz] = 0;
hSession = WinHttpOpen(USER_AGENT, WINHTTP_ACCESS_TYPE_NO_PROXY,
wproxy, 0, 0);
free(wproxy);
} else {
WINHTTP_CURRENT_USER_IE_PROXY_CONFIG proxy;
WinHttpGetIEProxyConfigForCurrentUser(&proxy);
int proxyType = WINHTTP_ACCESS_TYPE_NO_PROXY;
if(proxy.lpszProxy) {
proxyType = WINHTTP_ACCESS_TYPE_NAMED_PROXY;
Log::Info("Using proxy: %s", proxy.lpszProxy);
}
hSession = WinHttpOpen(USER_AGENT, proxyType,
proxy.lpszProxy, proxy.lpszProxyBypass, 0);
}
}
JNIEXPORT jobject JNICALL Java_com_btr_proxy_search_desktop_win_Win32ProxyUtils_winHttpGetIEProxyConfigForCurrentUser
(JNIEnv *env, jobject source) {
WINHTTP_CURRENT_USER_IE_PROXY_CONFIG ieProxyInfo;
// Retrieve the IE proxy configuration.
BOOL result = WinHttpGetIEProxyConfigForCurrentUser( &ieProxyInfo );
if (result == FALSE) {
DWORD errorCode = GetLastError();
return NULL;
}
jboolean autoDetect = ieProxyInfo.fAutoDetect;
jstring autoConfigUrl = NULL;
jstring proxy = NULL;
jstring proxyBypass = NULL;
if (ieProxyInfo.lpszAutoConfigUrl != NULL) {
autoConfigUrl = env->NewString((jchar*)ieProxyInfo.lpszAutoConfigUrl, wcslen(ieProxyInfo.lpszAutoConfigUrl));
GlobalFree( ieProxyInfo.lpszAutoConfigUrl );
}
if (ieProxyInfo.lpszProxy != NULL) {
proxy = env->NewString((jchar*)ieProxyInfo.lpszProxy, wcslen(ieProxyInfo.lpszProxy));
GlobalFree( ieProxyInfo.lpszProxy );
}
if (ieProxyInfo.lpszProxyBypass != NULL) {
proxyBypass = env->NewString((jchar*)ieProxyInfo.lpszProxyBypass, wcslen(ieProxyInfo.lpszProxyBypass));
GlobalFree( ieProxyInfo.lpszProxyBypass );
}
// Build result container object.
jclass retValueClass = env->FindClass("com/btr/proxy/search/desktop/win/Win32IESettings");
if ( retValueClass == NULL ) {
return NULL;
}
jmethodID jmid = env->GetMethodID(retValueClass, "<init>", "(ZLjava/lang/String;Ljava/lang/String;Ljava/lang/String;)V");
if (jmid == NULL) {
return NULL;
}
// Win32IESettings(boolean autoDetect, String autoConfigUrl, String proxy, String proxyBypass)
jobject retValue = env->NewObject(retValueClass, jmid, autoDetect, autoConfigUrl, proxy, proxyBypass);
return retValue;
}
Proxy* WinHttpIO::getautoproxy()
{
Proxy* proxy = new Proxy();
proxy->setProxyType(Proxy::NONE);
WINHTTP_CURRENT_USER_IE_PROXY_CONFIG ieProxyConfig = { 0 };
if (WinHttpGetIEProxyConfigForCurrentUser(&ieProxyConfig) == TRUE)
{
if (ieProxyConfig.lpszProxy)
{
string proxyURL;
proxy->setProxyType(Proxy::CUSTOM);
int len = wcslen(ieProxyConfig.lpszProxy);
proxyURL.assign((const char*)ieProxyConfig.lpszProxy, len * sizeof(wchar_t) + 1);
// only save one proxy
for (int i = 0; i < len; i++)
{
wchar_t* character = (wchar_t*)(proxyURL.data() + i * sizeof(wchar_t));
if (*character == ' ' || *character == ';')
{
proxyURL.resize(i*sizeof(wchar_t));
len = i;
break;
}
}
// remove protocol prefix, if any
for (int i = len - 1; i >= 0; i--)
{
wchar_t* character = (wchar_t*)(proxyURL.data() + i * sizeof(wchar_t));
if (*character == '/')
{
proxyURL = proxyURL.substr((i + 1) * sizeof(wchar_t));
break;
}
}
proxy->setProxyURL(&proxyURL);
}
else if (ieProxyConfig.lpszAutoConfigUrl || ieProxyConfig.fAutoDetect == TRUE)
{
WINHTTP_AUTOPROXY_OPTIONS autoProxyOptions;
if (ieProxyConfig.lpszAutoConfigUrl)
{
autoProxyOptions.dwFlags = WINHTTP_AUTOPROXY_CONFIG_URL;
autoProxyOptions.lpszAutoConfigUrl = ieProxyConfig.lpszAutoConfigUrl;
autoProxyOptions.dwAutoDetectFlags = 0;
}
else
{
autoProxyOptions.dwFlags = WINHTTP_AUTOPROXY_AUTO_DETECT;
autoProxyOptions.lpszAutoConfigUrl = NULL;
autoProxyOptions.dwAutoDetectFlags = WINHTTP_AUTO_DETECT_TYPE_DHCP | WINHTTP_AUTO_DETECT_TYPE_DNS_A;
}
autoProxyOptions.fAutoLogonIfChallenged = TRUE;
autoProxyOptions.lpvReserved = NULL;
autoProxyOptions.dwReserved = 0;
WINHTTP_PROXY_INFO proxyInfo;
if (WinHttpGetProxyForUrl(hSession, L"https://g.api.mega.co.nz/", &autoProxyOptions, &proxyInfo))
{
if (proxyInfo.lpszProxy)
{
string proxyURL;
proxy->setProxyType(Proxy::CUSTOM);
proxyURL.assign((const char*)proxyInfo.lpszProxy, wcslen(proxyInfo.lpszProxy) * sizeof(wchar_t));
proxy->setProxyURL(&proxyURL);
}
}
}
}
if (ieProxyConfig.lpszProxy)
{
GlobalFree(ieProxyConfig.lpszProxy);
}
if (ieProxyConfig.lpszProxyBypass)
{
GlobalFree(ieProxyConfig.lpszProxyBypass);
}
if (ieProxyConfig.lpszAutoConfigUrl)
{
GlobalFree(ieProxyConfig.lpszAutoConfigUrl);
}
return proxy;
}
DWORD
ProxyResolver::ResolveProxy(
_In_ HINTERNET hSession,
_In_z_ PCWSTR pwszUrl
)
/*++
Routine Description:
Uses the users IE settings to get the proxy for the URL.
Arguments:
pwszUrl - The URL to get the proxy for.
hSession - The session to use for the proxy resolution.
Return Value:
WIN32 Error codes.
--*/
{
DWORD dwError = ERROR_SUCCESS;
WINHTTP_CURRENT_USER_IE_PROXY_CONFIG ProxyConfig = {};
PWSTR pwszProxy = NULL;
PWSTR pwszProxyBypass = NULL;
BOOL fFailOverValid = FALSE;
if (m_fInit)
{
dwError = ERROR_INVALID_OPERATION;
goto quit;
}
if (!WinHttpGetIEProxyConfigForCurrentUser(&ProxyConfig))
{
dwError = GetLastError();
if (dwError != ERROR_FILE_NOT_FOUND)
{
goto quit;
}
//
// No IE proxy settings found, just do autodetect.
//
ProxyConfig.fAutoDetect = TRUE;
dwError = ERROR_SUCCESS;
}
//
// Begin processing the proxy settings in the following order:
// 1) Auto-Detect if configured.
// 2) Auto-Config URL if configured.
// 3) Static Proxy Settings if configured.
//
// Once any of these methods succeed in finding a proxy we are finished.
// In the event one mechanism fails with an expected error code it is
// required to fall back to the next mechanism. If the request fails
// after exhausting all detected proxies, there should be no attempt
// to discover additional proxies.
//
if (ProxyConfig.fAutoDetect)
{
fFailOverValid = TRUE;
//
// Detect Proxy Settings.
//
dwError = GetProxyForAutoSettings(hSession,
pwszUrl,
NULL,
&pwszProxy,
&pwszProxyBypass);
if (dwError == ERROR_SUCCESS)
{
goto commit;
}
if (!IsRecoverableAutoProxyError(dwError))
{
goto quit;
}
//
// Fall back to Autoconfig URL or Static settings. Application can
// optionally take some action such as logging, or creating a mechanism
// to expose multiple error codes in the class.
//
dwError = ERROR_SUCCESS;
}
if (ProxyConfig.lpszAutoConfigUrl)
{
fFailOverValid = TRUE;
//
// Run autoproxy with AutoConfig URL.
//
dwError = GetProxyForAutoSettings(hSession,
pwszUrl,
ProxyConfig.lpszAutoConfigUrl,
&pwszProxy,
&pwszProxyBypass);
if (dwError == ERROR_SUCCESS)
{
goto commit;
}
if (!IsRecoverableAutoProxyError(dwError))
{
goto quit;
}
//
// Fall back to Static Settings. Application can optionally take some
// action such as logging, or creating a mechanism to to expose multiple
// error codes in the class.
//
dwError = ERROR_SUCCESS;
}
fFailOverValid = FALSE;
//
// Static Proxy Config. Failover is not valid for static proxy since
// it is always either a single proxy or a list containing protocol
// specific proxies such as "proxy" or http=httpproxy;https=sslproxy
//
pwszProxy = ProxyConfig.lpszProxy;
ProxyConfig.lpszProxy = NULL;
pwszProxyBypass = ProxyConfig.lpszProxyBypass;
ProxyConfig.lpszProxyBypass = NULL;
commit:
m_fProxyFailOverValid = fFailOverValid;
if (pwszProxy == NULL)
{
m_wpiProxyInfo.dwAccessType = WINHTTP_ACCESS_TYPE_NO_PROXY;
}
else
{
m_wpiProxyInfo.dwAccessType = WINHTTP_ACCESS_TYPE_NAMED_PROXY;
}
m_wpiProxyInfo.lpszProxy = pwszProxy;
pwszProxy = NULL;
m_wpiProxyInfo.lpszProxyBypass = pwszProxyBypass;
pwszProxyBypass = NULL;
m_fInit = TRUE;
quit:
if (pwszProxy != NULL)
{
GlobalFree(pwszProxy);
pwszProxy = NULL;
}
if (pwszProxyBypass != NULL)
{
GlobalFree(pwszProxyBypass);
pwszProxyBypass = NULL;
}
if (ProxyConfig.lpszAutoConfigUrl != NULL)
{
GlobalFree(ProxyConfig.lpszAutoConfigUrl);
ProxyConfig.lpszAutoConfigUrl = NULL;
}
if (ProxyConfig.lpszProxy != NULL)
{
GlobalFree(ProxyConfig.lpszProxy);
ProxyConfig.lpszProxy = NULL;
}
if (ProxyConfig.lpszProxyBypass != NULL)
{
GlobalFree(ProxyConfig.lpszProxyBypass);
ProxyConfig.lpszProxyBypass = NULL;
}
return dwError;
}
/*!
* @brief Prepare a winHTTP request with the given context.
* @param ctx Pointer to the HTTP transport context to prepare the request from.
* @param isGet Indication of whether this request is a GET request, otherwise POST is used.
* @param direction String representing the direction of the communications (for debug).
* @return An Internet request handle.
*/
static HINTERNET get_request_winhttp(HttpTransportContext *ctx, BOOL isGet, const char *direction)
{
HINTERNET hReq = NULL;
DWORD flags = WINHTTP_FLAG_BYPASS_PROXY_CACHE;
if (ctx->ssl)
{
flags |= WINHTTP_FLAG_SECURE;
dprintf("[%s] Setting secure flag..", direction);
}
vdprintf("[%s] opening request on connection %x to %S", direction, ctx->connection, ctx->uri);
hReq = WinHttpOpenRequest(ctx->connection, isGet ? L"GET" : L"POST", ctx->uri, NULL, NULL, NULL, flags);
if (hReq == NULL)
{
dprintf("[%s] Failed WinHttpOpenRequest: %u", direction, GetLastError());
SetLastError(ERROR_NOT_FOUND);
return NULL;
}
// if no proxy is set, we should look to see if we can (and should) use the system
// proxy settings for the given user.
if (!ctx->proxy)
{
if (!ctx->proxy_configured)
{
WINHTTP_CURRENT_USER_IE_PROXY_CONFIG ieConfig = { 0 };
if (WinHttpGetIEProxyConfigForCurrentUser(&ieConfig))
{
dprintf("[PROXY] Got IE configuration");
dprintf("[PROXY] AutoDetect: %s", ieConfig.fAutoDetect ? "yes" : "no");
dprintf("[PROXY] Auto URL: %S", ieConfig.lpszAutoConfigUrl);
dprintf("[PROXY] Proxy: %S", ieConfig.lpszProxy);
dprintf("[PROXY] Proxy Bypass: %S", ieConfig.lpszProxyBypass);
if (ieConfig.lpszAutoConfigUrl || ieConfig.fAutoDetect)
{
WINHTTP_AUTOPROXY_OPTIONS autoProxyOpts = { 0 };
WINHTTP_PROXY_INFO proxyInfo = { 0 };
if (ieConfig.fAutoDetect)
{
dprintf("[PROXY] IE config set to autodetect with DNS or DHCP");
autoProxyOpts.dwFlags = WINHTTP_AUTOPROXY_AUTO_DETECT;
autoProxyOpts.dwAutoDetectFlags = WINHTTP_AUTO_DETECT_TYPE_DHCP | WINHTTP_AUTO_DETECT_TYPE_DNS_A;
autoProxyOpts.lpszAutoConfigUrl = 0;
}
else if (ieConfig.lpszAutoConfigUrl)
{
dprintf("[PROXY] IE config set to autodetect with URL %S", ieConfig.lpszAutoConfigUrl);
autoProxyOpts.dwFlags = WINHTTP_AUTOPROXY_CONFIG_URL;
autoProxyOpts.dwAutoDetectFlags = 0;
autoProxyOpts.lpszAutoConfigUrl = ieConfig.lpszAutoConfigUrl;
}
autoProxyOpts.fAutoLogonIfChallenged = TRUE;
if (WinHttpGetProxyForUrl(ctx->internet, ctx->url, &autoProxyOpts, &proxyInfo))
{
ctx->proxy_for_url = malloc(sizeof(WINHTTP_PROXY_INFO));
memcpy(ctx->proxy_for_url, &proxyInfo, sizeof(WINHTTP_PROXY_INFO));
}
}
else if (ieConfig.lpszProxy)
{
WINHTTP_PROXY_INFO* proxyInfo = (WINHTTP_PROXY_INFO*)calloc(1, sizeof(WINHTTP_PROXY_INFO));
ctx->proxy_for_url = proxyInfo;
dprintf("[PROXY] IE config set to proxy %S with bypass %S", ieConfig.lpszProxy, ieConfig.lpszProxyBypass);
proxyInfo->dwAccessType = WINHTTP_ACCESS_TYPE_NAMED_PROXY;
proxyInfo->lpszProxy = ieConfig.lpszProxy;
proxyInfo->lpszProxyBypass = ieConfig.lpszProxyBypass;
// stop the cleanup code from removing these as we're using them behind the scenes and they will
// be freed later instead.
ieConfig.lpszProxy = NULL;
ieConfig.lpszProxyBypass = NULL;;
}
if (ieConfig.lpszAutoConfigUrl)
{
GlobalFree(ieConfig.lpszAutoConfigUrl);
}
if (ieConfig.lpszProxy)
{
GlobalFree(ieConfig.lpszProxy);
}
if (ieConfig.lpszProxyBypass)
{
GlobalFree(ieConfig.lpszProxyBypass);
}
}
// mark as "configured" so we don't attempt to do this horrible PoS mess again.
ctx->proxy_configured = TRUE;
}
if (ctx->proxy_for_url &&
!WinHttpSetOption(hReq, WINHTTP_OPTION_PROXY, ctx->proxy_for_url, sizeof(WINHTTP_PROXY_INFO)))
{
dprintf("[%s] Unable to set proxy options: %u", GetLastError());
}
}
else
{
if (ctx->proxy_user)
{
dprintf("[%s] Setting proxy username to %S", direction, ctx->proxy_user);
if (!WinHttpSetOption(hReq, WINHTTP_OPTION_PROXY_USERNAME, ctx->proxy_user, (DWORD)(wcslen(ctx->proxy_user))));
{
dprintf("[%s] Failed to set username %u", direction, GetLastError());
}
}
if (ctx->proxy_pass)
{
dprintf("[%s] Setting proxy password to %S", direction, ctx->proxy_pass);
if (!WinHttpSetOption(hReq, WINHTTP_OPTION_PROXY_PASSWORD, ctx->proxy_pass, (DWORD)(wcslen(ctx->proxy_pass))));
{
dprintf("[%s] Failed to set password %u", direction, GetLastError());
}
}
}
if (ctx->ssl)
{
flags = SECURITY_FLAG_IGNORE_UNKNOWN_CA
| SECURITY_FLAG_IGNORE_CERT_DATE_INVALID
| SECURITY_FLAG_IGNORE_CERT_CN_INVALID
| SECURITY_FLAG_IGNORE_CERT_WRONG_USAGE;
if (!WinHttpSetOption(hReq, WINHTTP_OPTION_SECURITY_FLAGS, &flags, sizeof(flags)))
{
dprintf("[%s] failed to set the security flags on the request", direction);
}
}
return hReq;
}
/* Implementation of _pymfclib_winhttp */
static PyObject *__pyx_f_17_pymfclib_winhttp_getIEProxyConfigForCurrentUser(PyObject *__pyx_self, PyObject *__pyx_args, PyObject *__pyx_kwds); /*proto*/
static PyObject *__pyx_f_17_pymfclib_winhttp_getIEProxyConfigForCurrentUser(PyObject *__pyx_self, PyObject *__pyx_args, PyObject *__pyx_kwds) {
WINHTTP_CURRENT_USER_IE_PROXY_CONFIG __pyx_v_ieconfig;
struct __pyx_obj_17_pymfclib_winhttp_CurrentUserIEProxyConfig *__pyx_v_ret;
PyObject *__pyx_r;
BOOL __pyx_1;
PyObject *__pyx_2 = 0;
int __pyx_3;
static char *__pyx_argnames[] = {0};
if (!PyArg_ParseTupleAndKeywords(__pyx_args, __pyx_kwds, "", __pyx_argnames)) return 0;
__pyx_v_ret = ((struct __pyx_obj_17_pymfclib_winhttp_CurrentUserIEProxyConfig *)Py_None); Py_INCREF(Py_None);
/* "c:\src\ip\pymfc\pymfclib\_pymfclib_winhttp.pyx":62 */
memset((&__pyx_v_ieconfig),0,(sizeof(__pyx_v_ieconfig)));
/* "c:\src\ip\pymfc\pymfclib\_pymfclib_winhttp.pyx":63 */
__pyx_1 = WinHttpGetIEProxyConfigForCurrentUser((&__pyx_v_ieconfig));
if (__pyx_1) {
/* "c:\src\ip\pymfc\pymfclib\_pymfclib_winhttp.pyx":64 */
__pyx_2 = PyObject_CallObject(((PyObject *)__pyx_ptype_17_pymfclib_winhttp_CurrentUserIEProxyConfig), 0); if (!__pyx_2) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 64; goto __pyx_L1;}
Py_DECREF(((PyObject *)__pyx_v_ret));
__pyx_v_ret = ((struct __pyx_obj_17_pymfclib_winhttp_CurrentUserIEProxyConfig *)__pyx_2);
__pyx_2 = 0;
/* "c:\src\ip\pymfc\pymfclib\_pymfclib_winhttp.pyx":65 */
__pyx_2 = PyInt_FromLong(__pyx_v_ieconfig.fAutoDetect); if (!__pyx_2) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 65; goto __pyx_L1;}
Py_DECREF(__pyx_v_ret->autodetect);
__pyx_v_ret->autodetect = __pyx_2;
__pyx_2 = 0;
/* "c:\src\ip\pymfc\pymfclib\_pymfclib_winhttp.pyx":66 */
/*try:*/ {
/* "c:\src\ip\pymfc\pymfclib\_pymfclib_winhttp.pyx":67 */
__pyx_3 = (__pyx_v_ieconfig.lpszAutoConfigUrl != 0);
if (__pyx_3) {
__pyx_2 = _fromWideChar(__pyx_v_ieconfig.lpszAutoConfigUrl); if (!__pyx_2) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 68; goto __pyx_L4;}
Py_DECREF(__pyx_v_ret->autoconfigurl);
__pyx_v_ret->autoconfigurl = __pyx_2;
__pyx_2 = 0;
goto __pyx_L6;
}
__pyx_L6:;
/* "c:\src\ip\pymfc\pymfclib\_pymfclib_winhttp.pyx":69 */
__pyx_3 = (__pyx_v_ieconfig.lpszProxy != 0);
if (__pyx_3) {
__pyx_2 = _fromWideChar(__pyx_v_ieconfig.lpszProxy); if (!__pyx_2) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 70; goto __pyx_L4;}
Py_DECREF(__pyx_v_ret->proxy);
__pyx_v_ret->proxy = __pyx_2;
__pyx_2 = 0;
goto __pyx_L7;
}
__pyx_L7:;
/* "c:\src\ip\pymfc\pymfclib\_pymfclib_winhttp.pyx":71 */
__pyx_3 = (__pyx_v_ieconfig.lpszProxyBypass != 0);
if (__pyx_3) {
__pyx_2 = _fromWideChar(__pyx_v_ieconfig.lpszProxyBypass); if (!__pyx_2) {__pyx_filename = __pyx_f[0]; __pyx_lineno = 72; goto __pyx_L4;}
Py_DECREF(__pyx_v_ret->proxybypass);
__pyx_v_ret->proxybypass = __pyx_2;
__pyx_2 = 0;
goto __pyx_L8;
}
__pyx_L8:;
}
/*finally:*/ {
int __pyx_why;
PyObject *__pyx_exc_type, *__pyx_exc_value, *__pyx_exc_tb;
int __pyx_exc_lineno;
__pyx_why = 0; goto __pyx_L5;
__pyx_L4: {
__pyx_why = 4;
Py_XDECREF(__pyx_2); __pyx_2 = 0;
PyErr_Fetch(&__pyx_exc_type, &__pyx_exc_value, &__pyx_exc_tb);
__pyx_exc_lineno = __pyx_lineno;
goto __pyx_L5;
}
__pyx_L5:;
/* "c:\src\ip\pymfc\pymfclib\_pymfclib_winhttp.pyx":74 */
__pyx_3 = (__pyx_v_ieconfig.lpszAutoConfigUrl != 0);
if (__pyx_3) {
GlobalFree(__pyx_v_ieconfig.lpszAutoConfigUrl);
goto __pyx_L10;
}
__pyx_L10:;
/* "c:\src\ip\pymfc\pymfclib\_pymfclib_winhttp.pyx":76 */
__pyx_3 = (__pyx_v_ieconfig.lpszProxy != 0);
if (__pyx_3) {
GlobalFree(__pyx_v_ieconfig.lpszProxy);
goto __pyx_L11;
}
__pyx_L11:;
/* "c:\src\ip\pymfc\pymfclib\_pymfclib_winhttp.pyx":78 */
__pyx_3 = (__pyx_v_ieconfig.lpszProxyBypass != 0);
if (__pyx_3) {
GlobalFree(__pyx_v_ieconfig.lpszProxyBypass);
goto __pyx_L12;
}
__pyx_L12:;
switch (__pyx_why) {
case 4: {
PyErr_Restore(__pyx_exc_type, __pyx_exc_value, __pyx_exc_tb);
__pyx_lineno = __pyx_exc_lineno;
__pyx_exc_type = 0;
__pyx_exc_value = 0;
__pyx_exc_tb = 0;
goto __pyx_L1;
}
}
}
/* "c:\src\ip\pymfc\pymfclib\_pymfclib_winhttp.pyx":80 */
Py_INCREF(((PyObject *)__pyx_v_ret));
__pyx_r = ((PyObject *)__pyx_v_ret);
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}
static void InitializeWin32ProxyConfig()
{
static bool initialized = false;
if (initialized)
return;
WINHTTP_CURRENT_USER_IE_PROXY_CONFIG ieProxyConfig;
ZeroMemory(&ieProxyConfig, sizeof(WINHTTP_CURRENT_USER_IE_PROXY_CONFIG));
if (WinHttpGetIEProxyConfigForCurrentUser(&ieProxyConfig))
{
if (ieProxyConfig.fAutoDetect)
{
useProxyAutoConfig = true;
}
if (ieProxyConfig.lpszAutoConfigUrl != NULL)
{
// We using an auto proxy configuration, but this one
// has a URL which we must contact to get the configuration info.
autoConfigURL = ieProxyConfig.lpszAutoConfigUrl;
}
// We always keep IE proxy information in case auto proxy
// determination fails. We want to it as a fallback.
if (ieProxyConfig.lpszProxy)
{
std::string bypassList;
if (ieProxyConfig.lpszProxyBypass)
{
std::wstring bypassW = ieProxyConfig.lpszProxyBypass;
bypassList = string(bypassW.begin(), bypassW.end());
}
std::wstring proxyListW = ieProxyConfig.lpszProxy;
string proxyList = string(proxyListW.begin(), proxyListW.end());
ParseProxyList(proxyList, bypassList, ieProxies);
}
}
else
{
// If there is no IE configuration information, we default to
// attempting to get auto proxy information.
useProxyAutoConfig = true;
}
if (useProxyAutoConfig || !autoConfigURL.empty())
{
// We failed to open an HINTERNET handle! WTF. We'll have to have
// disable auto proxy support, because we can't do a lookup.
if (!httpSession.GetHandle())
{
useProxyAutoConfig = false;
autoConfigURL = L"";
}
}
if (ieProxyConfig.lpszProxy)
GlobalFree(ieProxyConfig.lpszProxy);
if (ieProxyConfig.lpszProxyBypass)
GlobalFree(ieProxyConfig.lpszProxyBypass);
if (ieProxyConfig.lpszAutoConfigUrl)
GlobalFree(ieProxyConfig.lpszAutoConfigUrl);
}
Connection::Connection(HttpContext &context, const std::string &scheme, const std::string &host, int port)
: _scheme(scheme),
_host(host),
_port(port),
_context(context),
_resolver(context.service()),
_connected(false),
_busy(false)
{
std::string schemeAddress;
#ifdef WINVER
std::string proxyAddress;
WINHTTP_CURRENT_USER_IE_PROXY_CONFIG proxy;
if (WinHttpGetIEProxyConfigForCurrentUser(&proxy)) {
if (proxy.lpszProxy) {
proxyAddress = boost::locale::conv::utf_to_utf<char>(proxy.lpszProxy);
GlobalFree(proxy.lpszProxy);
}
if (proxy.lpszProxyBypass) {
GlobalFree(proxy.lpszProxyBypass);
}
if (proxy.lpszAutoConfigUrl) {
GlobalFree(proxy.lpszProxyBypass);
}
}
enum State
{
Key,
Value
} state = Key;
std::string key;
std::string value;
std::map<std::string, std::string> list;
for (auto c : proxyAddress) {
switch (state) {
case Key:
if (c == '=') state = Value;
else key += c;
break;
case Value:
if (c == ';') {
list[key] = value;
key = "";
value = "";
state = Key;
}
else value += c;
break;
}
}
if (!value.empty()) list[key] = value;
if (list.size() == 0) {
schemeAddress = proxyAddress;
}
else {
auto it = list.find(scheme);
if (it != list.end()) schemeAddress = it->second;
}
#else
char * data = getenv("https_proxy");
if (data) schemeAddress = data;
#endif
if (!schemeAddress.empty()) {
Url proxyUrl(schemeAddress);
_proxy = proxyUrl.host();
_proxyPort = proxyUrl.port();
auto url = host + ":" + boost::lexical_cast<std::string>(port);
_proxyGreeting = "CONNECT " + url + " HTTP/1.1\r\n"+
"Host: " + url + "\r\n" +
"Connection: Keep-Alive\r\n" +
"User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/49.0.2623.112 Safari/537.36\r\n" +
"\r\n";
}
}
static LPWSTR
QueryWindowsProxySettings(const url_scheme scheme, LPCSTR host)
{
LPWSTR proxy = NULL;
BOOL auto_detect = TRUE;
LPWSTR auto_config_url = NULL;
WINHTTP_CURRENT_USER_IE_PROXY_CONFIG proxy_config;
if (WinHttpGetIEProxyConfigForCurrentUser(&proxy_config))
{
proxy = proxy_config.lpszProxy;
auto_detect = proxy_config.fAutoDetect;
auto_config_url = proxy_config.lpszAutoConfigUrl;
GlobalFree(proxy_config.lpszProxyBypass);
}
if (auto_detect)
{
LPWSTR old_url = auto_config_url;
DWORD flags = WINHTTP_AUTO_DETECT_TYPE_DHCP | WINHTTP_AUTO_DETECT_TYPE_DNS_A;
if (WinHttpDetectAutoProxyConfigUrl(flags, &auto_config_url))
GlobalFree(old_url);
}
if (auto_config_url)
{
HINTERNET session = WinHttpOpen(NULL, WINHTTP_ACCESS_TYPE_NO_PROXY,
WINHTTP_NO_PROXY_NAME, WINHTTP_NO_PROXY_BYPASS, 0);
if (session)
{
int size = _snwprintf(NULL, 0, L"%s://%S", UrlSchemeStr(scheme), host) + 1;
LPWSTR url = malloc(size * sizeof(WCHAR));
if (url)
{
_snwprintf(url, size, L"%s://%S", UrlSchemeStr(scheme), host);
LPWSTR old_proxy = proxy;
WINHTTP_PROXY_INFO proxy_info;
WINHTTP_AUTOPROXY_OPTIONS options = {
.fAutoLogonIfChallenged = TRUE,
.dwFlags = WINHTTP_AUTOPROXY_CONFIG_URL,
.lpszAutoConfigUrl = auto_config_url,
.dwAutoDetectFlags = 0,
.lpvReserved = NULL,
.dwReserved = 0
};
if (WinHttpGetProxyForUrl(session, url, &options, &proxy_info))
{
GlobalFree(old_proxy);
GlobalFree(proxy_info.lpszProxyBypass);
proxy = proxy_info.lpszProxy;
}
free(url);
}
WinHttpCloseHandle(session);
}
GlobalFree(auto_config_url);
}
return proxy;
}
static VOID
ParseProxyString(LPWSTR proxy_str, url_scheme scheme,
LPCSTR *type, LPCWSTR *host, LPCWSTR *port)
{
if (proxy_str == NULL)
return;
LPCWSTR delim = L"; ";
LPWSTR token = wcstok(proxy_str, delim);
LPCWSTR scheme_str = UrlSchemeStr(scheme);
LPCWSTR socks_str = UrlSchemeStr(SOCKS_URL);
/* Token format: [<scheme>=][<scheme>"://"]<server>[":"<port>] */
while (token)
{
BOOL match = FALSE;
LPWSTR eq = wcschr(token, '=');
LPWSTR css = wcsstr(token, L"://");
/*
* If the token has a <scheme>, test for the one we're looking for.
* If we're looking for a https proxy, socks will also do.
* If it's a proxy without a <scheme> it's only good for https.
*/
if (eq || css)
{
if (wcsbegins(token, scheme_str))
{
match = TRUE;
}
else if (scheme == HTTPS_URL && wcsbegins(token, socks_str))
{
match = TRUE;
scheme = SOCKS_URL;
}
}
else if (scheme == HTTPS_URL)
{
match = TRUE;
}
if (match)
{
LPWSTR server = token;
if (css)
server = css + 3;
else if (eq)
server = eq + 1;
/* IPv6 addresses are surrounded by brackets */
LPWSTR port_delim;
if (server[0] == '[')
{
server += 1;
LPWSTR end = wcschr(server, ']');
if (end == NULL)
continue;
*end++ = '\0';
port_delim = (*end == ':' ? end : NULL);
}
else
{
port_delim = wcsrchr(server, ':');
if (port_delim)
*port_delim = '\0';
}
*type = (scheme == HTTPS_URL ? "HTTP" : "SOCKS");
*host = server;
if (port_delim)
*port = port_delim + 1;
else
*port = (scheme == HTTPS_URL ? L"80": L"1080");
break;
}
token = wcstok(NULL, delim);
}
}
/*
* Respond to management interface PROXY notifications
* Input format: REMOTE_NO,PROTOCOL,HOST
*/
void
OnProxy(connection_t *c, char *line)
{
LPSTR proto, host;
char *pos = strchr(line, ',');
if (pos == NULL)
return;
proto = ++pos;
pos = strchr(pos, ',');
if (pos == NULL)
return;
*pos = '\0';
host = ++pos;
if (host[0] == '\0')
return;
LPCSTR type = "NONE";
LPCWSTR addr = L"", port = L"";
LPWSTR proxy_str = NULL;
if (o.proxy_source == manual)
{
if (o.proxy_type == http && streq(proto, "TCP"))
{
type = "HTTP";
addr = o.proxy_http_address;
port = o.proxy_http_port;
}
else if (o.proxy_type == socks)
{
type = "SOCKS";
addr = o.proxy_socks_address;
port = o.proxy_socks_port;
}
}
else if (o.proxy_source == windows)
{
url_scheme scheme = (streq(proto, "TCP") ? HTTPS_URL : SOCKS_URL);
proxy_str = QueryWindowsProxySettings(scheme, host);
ParseProxyString(proxy_str, scheme, &type, &addr, &port);
}
char cmd[128];
snprintf(cmd, sizeof(cmd), "proxy %s %S %S", type, addr, port);
cmd[sizeof(cmd) - 1] = '\0';
ManagementCommand(c, cmd, NULL, regular);
GlobalFree(proxy_str);
}
