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winhttp: Add support for detecting the proxy config URL via DHCP. 

Signed-off-by: Hans Leidekker <hans@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Hans Leidekker 2019-11-20 14:29:06 +01:00 committed by Alexandre Julliard
parent 4692ae3f0f
commit 4ad4173e3a
2 changed files with 123 additions and 98 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
dlls/winhttp/Makefile.in
View File

@ -1,8 +1,7 @@
MODULE = winhttp.dll
IMPORTLIB = winhttp
IMPORTS = uuid jsproxy user32 advapi32 ws2_32
DELAYIMPORTS = oleaut32 ole32 crypt32 secur32
EXTRALIBS = $(CORESERVICES_LIBS)
DELAYIMPORTS = oleaut32 ole32 crypt32 secur32 iphlpapi dhcpcsvc
C_SRCS = \
cookie.c \

218
dlls/winhttp/session.c
View File

@ -20,14 +20,6 @@
#include <stdarg.h>
#include <stdlib.h>
#ifdef HAVE_CORESERVICES_CORESERVICES_H
#define GetCurrentThread MacGetCurrentThread
#define LoadResource MacLoadResource
#include <CoreServices/CoreServices.h>
#undef GetCurrentThread
#undef LoadResource
#endif
#include "windef.h"
#include "winbase.h"
#include "winsock2.h"
@ -36,6 +28,8 @@
#include "winhttp.h"
#include "winreg.h"
#include "winternl.h"
#include "iphlpapi.h"
#include "dhcpcsdk.h"
#define COBJMACROS
#include "ole2.h"
#include "dispex.h"
@ -1310,6 +1304,80 @@ BOOL WINAPI WinHttpSetOption( HINTERNET handle, DWORD option, LPVOID buffer, DWO
return ret;
}
static IP_ADAPTER_ADDRESSES *get_adapters(void)
{
ULONG err, size = 1024, flags = GAA_FLAG_SKIP_ANYCAST | GAA_FLAG_SKIP_MULTICAST |
GAA_FLAG_SKIP_DNS_SERVER | GAA_FLAG_SKIP_FRIENDLY_NAME;
IP_ADAPTER_ADDRESSES *tmp, *ret;
if (!(ret = heap_alloc( size ))) return NULL;
err = GetAdaptersAddresses( AF_UNSPEC, flags, NULL, ret, &size );
while (err == ERROR_BUFFER_OVERFLOW)
{
if (!(tmp = heap_realloc( ret, size ))) break;
ret = tmp;
err = GetAdaptersAddresses( AF_UNSPEC, flags, NULL, ret, &size );
}
if (err == ERROR_SUCCESS) return ret;
heap_free( ret );
return NULL;
}
static WCHAR *detect_autoproxyconfig_url_dhcp(void)
{
IP_ADAPTER_ADDRESSES *adapters, *ptr;
DHCPCAPI_PARAMS_ARRAY send_params, recv_params;
DHCPCAPI_PARAMS param;
WCHAR name[MAX_ADAPTER_NAME_LENGTH + 1], *ret = NULL;
DWORD err, size;
BYTE *tmp, *buf = NULL;
if (!(adapters = get_adapters())) return NULL;
memset( &send_params, 0, sizeof(send_params) );
memset( &param, 0, sizeof(param) );
param.OptionId = OPTION_MSFT_IE_PROXY;
recv_params.nParams = 1;
recv_params.Params = &param;
for (ptr = adapters; ptr; ptr = ptr->Next)
{
MultiByteToWideChar( CP_ACP, 0, ptr->AdapterName, -1, name, ARRAY_SIZE(name) );
TRACE( "adapter '%s' type %u dhcpv4 enabled %d\n", wine_dbgstr_w(name), ptr->IfType, ptr->Dhcpv4Enabled );
if (ptr->IfType == IF_TYPE_SOFTWARE_LOOPBACK) continue;
/* FIXME: also skip adapters where DHCP is disabled */
size = 256;
if (!(buf = heap_alloc( size ))) goto done;
err = DhcpRequestParams( DHCPCAPI_REQUEST_SYNCHRONOUS, NULL, name, NULL, send_params, recv_params,
buf, &size, NULL );
while (err == ERROR_MORE_DATA)
{
if (!(tmp = heap_realloc( buf, size ))) goto done;
buf = tmp;
err = DhcpRequestParams( DHCPCAPI_REQUEST_SYNCHRONOUS, NULL, name, NULL, send_params, recv_params,
buf, &size, NULL );
}
if (err == ERROR_SUCCESS && param.nBytesData)
{
int len = MultiByteToWideChar( CP_ACP, 0, (const char *)param.Data, param.nBytesData, NULL, 0 );
if ((ret = heap_alloc( (len + 1) * sizeof(WCHAR) )))
{
MultiByteToWideChar( CP_ACP, 0, (const char *)param.Data, param.nBytesData, ret, len );
ret[len] = 0;
}
TRACE("returning %s\n", debugstr_w(ret));
break;
}
}
done:
heap_free( buf );
heap_free( adapters );
return ret;
}
static char *get_computer_name( COMPUTER_NAME_FORMAT format )
{
char *ret;
@ -1362,50 +1430,57 @@ static WCHAR *build_wpad_url( const char *hostname, const struct addrinfo *ai )
return ret;
}
static BOOL get_system_proxy_autoconfig_url( char *buf, DWORD buflen )
static WCHAR *detect_autoproxyconfig_url_dns(void)
{
#if defined(MAC_OS_X_VERSION_10_6) && MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_6
CFDictionaryRef settings = CFNetworkCopySystemProxySettings();
const void *ref;
BOOL ret = FALSE;
char *fqdn, *domain, *p;
WCHAR *ret;
if (!settings) return FALSE;
if (!(fqdn = get_computer_name( ComputerNamePhysicalDnsFullyQualified ))) return NULL;
if (!(domain = get_computer_name( ComputerNamePhysicalDnsDomain )))
{
heap_free( fqdn );
return NULL;
}
p = fqdn;
while ((p = strchr( p, '.' )) && is_domain_suffix( p + 1, domain ))
{
char *name;
struct addrinfo *ai;
int res;
if (!(ref = CFDictionaryGetValue( settings, kCFNetworkProxiesProxyAutoConfigURLString )))
{
CFRelease( settings );
return FALSE;
if (!(name = heap_alloc( sizeof("wpad") + strlen(p) )))
{
heap_free( fqdn );
heap_free( domain );
return NULL;
}
strcpy( name, "wpad" );
strcat( name, p );
res = getaddrinfo( name, NULL, NULL, &ai );
if (!res)
{
ret = build_wpad_url( name, ai );
freeaddrinfo( ai );
if (ret)
{
TRACE("returning %s\n", debugstr_w(ret));
heap_free( name );
break;
}
}
heap_free( name );
p++;
}
if (CFStringGetCString( ref, buf, buflen, kCFStringEncodingASCII ))
{
TRACE( "returning %s\n", debugstr_a(buf) );
ret = TRUE;
}
CFRelease( settings );
heap_free( domain );
heap_free( fqdn );
return ret;
#else
static BOOL first = TRUE;
if (first)
{
FIXME( "no support on this platform\n" );
first = FALSE;
}
else
TRACE( "no support on this platform\n" );
return FALSE;
#endif
}
#define INTERNET_MAX_URL_LENGTH 2084
/***********************************************************************
* WinHttpDetectAutoProxyConfigUrl (winhttp.@)
*/
BOOL WINAPI WinHttpDetectAutoProxyConfigUrl( DWORD flags, LPWSTR *url )
{
BOOL ret = FALSE;
char system_url[INTERNET_MAX_URL_LENGTH + 1];
TRACE("0x%08x, %p\n", flags, url);
if (!flags || !url)
@ -1413,71 +1488,22 @@ BOOL WINAPI WinHttpDetectAutoProxyConfigUrl( DWORD flags, LPWSTR *url )
SetLastError( ERROR_INVALID_PARAMETER );
return FALSE;
}
if (get_system_proxy_autoconfig_url( system_url, sizeof(system_url) ))
{
WCHAR *urlW;
if (!(urlW = strdupAW( system_url ))) return FALSE;
*url = urlW;
SetLastError( ERROR_SUCCESS );
return TRUE;
}
*url = NULL;
if (flags & WINHTTP_AUTO_DETECT_TYPE_DHCP)
{
static int fixme_shown;
if (!fixme_shown++) FIXME("discovery via DHCP not supported\n");
*url = detect_autoproxyconfig_url_dhcp();
}
if (flags & WINHTTP_AUTO_DETECT_TYPE_DNS_A)
{
char *fqdn, *domain, *p;
if (!(fqdn = get_computer_name( ComputerNamePhysicalDnsFullyQualified ))) return FALSE;
if (!(domain = get_computer_name( ComputerNamePhysicalDnsDomain )))
{
heap_free( fqdn );
return FALSE;
}
p = fqdn;
while ((p = strchr( p, '.' )) && is_domain_suffix( p + 1, domain ))
{
struct addrinfo *ai;
char *name;
int res;
if (!(name = heap_alloc( sizeof("wpad") + strlen(p) )))
{
heap_free( fqdn );
heap_free( domain );
return FALSE;
}
strcpy( name, "wpad" );
strcat( name, p );
res = getaddrinfo( name, NULL, NULL, &ai );
if (!res)
{
*url = build_wpad_url( name, ai );
freeaddrinfo( ai );
if (*url)
{
TRACE("returning %s\n", debugstr_w(*url));
heap_free( name );
ret = TRUE;
break;
}
}
heap_free( name );
p++;
}
heap_free( domain );
heap_free( fqdn );
if (!*url) *url = detect_autoproxyconfig_url_dns();
}
if (!ret)
if (!*url)
{
SetLastError( ERROR_WINHTTP_AUTODETECTION_FAILED );
*url = NULL;
return FALSE;
}
else SetLastError( ERROR_SUCCESS );
return ret;
SetLastError( ERROR_SUCCESS );
return TRUE;
}
static const WCHAR Connections[] = {