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Fetch the version information from the standard Windows keys if not 

specified otherwise.
oldstable
Alexandre Julliard 2005-08-16 11:16:10 +00:00
parent 554b865314
commit 4749dd3eaa
1 changed files with 210 additions and 3 deletions
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213
dlls/ntdll/version.c
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@ -156,6 +156,200 @@ static const char * const WinVersionNames[NB_WINDOWS_VERSIONS] =
/* initialized to null so that we crash if we try to retrieve the version too early at startup */
static const RTL_OSVERSIONINFOEXW *current_version;
/**********************************************************************
* get_nt_registry_version
*
* Fetch the version information from the NT-style registry keys.
*/
static BOOL get_nt_registry_version( RTL_OSVERSIONINFOEXW *version )
{
static const WCHAR version_keyW[] = {'M','a','c','h','i','n','e','\\',
'S','o','f','t','w','a','r','e','\\',
'M','i','c','r','o','s','o','f','t','\\',
'W','i','n','d','o','w','s',' ','N','T','\\',
'C','u','r','r','e','n','t','V','e','r','s','i','o','n',0};
static const WCHAR product_keyW[] = {'M','a','c','h','i','n','e','\\',
'S','y','s','t','e','m','\\',
'C','u','r','r','e','n','t','C','o','n','t','r','o','l','S','e','t','\\',
'C','o','n','t','r','o','l','\\',
'P','r','o','d','u','c','t','O','p','t','i','o','n','s',0};
static const WCHAR CurrentBuildNumberW[] = {'C','u','r','r','e','n','t','B','u','i','l','d','N','u','m','b','e','r',0};
static const WCHAR CSDVersionW[] = {'C','S','D','V','e','r','s','i','o','n',0};
static const WCHAR CurrentVersionW[] = {'C','u','r','r','e','n','t','V','e','r','s','i','o','n',0};
static const WCHAR ProductTypeW[] = {'P','r','o','d','u','c','t','T','y','p','e',0};
static const WCHAR WinNTW[] = {'W','i','n','N','T',0};
static const WCHAR ServerNTW[] = {'S','e','r','v','e','r','N','T',0};
static const WCHAR LanmanNTW[] = {'L','a','n','m','a','n','N','T',0};
OBJECT_ATTRIBUTES attr;
UNICODE_STRING nameW, valueW;
HANDLE hkey, product;
char tmp[64];
DWORD count;
WCHAR *p;
BOOL ret = FALSE;
KEY_VALUE_PARTIAL_INFORMATION *info = (KEY_VALUE_PARTIAL_INFORMATION *)tmp;
attr.Length = sizeof(attr);
attr.RootDirectory = 0;
attr.ObjectName = &nameW;
attr.Attributes = 0;
attr.SecurityDescriptor = NULL;
attr.SecurityQualityOfService = NULL;
RtlInitUnicodeString( &nameW, version_keyW );
if (NtOpenKey( &hkey, KEY_ALL_ACCESS, &attr )) return FALSE;
memset( version, 0, sizeof(*version) );
RtlInitUnicodeString( &valueW, CurrentVersionW );
if (!NtQueryValueKey( hkey, &valueW, KeyValuePartialInformation, tmp, sizeof(tmp)-1, &count ))
{
WCHAR *p, *str = (WCHAR *)info->Data;
str[info->DataLength / sizeof(WCHAR)] = 0;
p = strchrW( str, '.' );
if (p)
{
*p++ = 0;
version->dwMinorVersion = atoiW( p );
}
version->dwMajorVersion = atoiW( str );
}
if (version->dwMajorVersion) /* we got the main version, now fetch the other fields */
{
ret = TRUE;
version->dwPlatformId = VER_PLATFORM_WIN32_NT;
/* get build number */
RtlInitUnicodeString( &valueW, CurrentBuildNumberW );
if (!NtQueryValueKey( hkey, &valueW, KeyValuePartialInformation, tmp, sizeof(tmp)-1, &count ))
{
WCHAR *str = (WCHAR *)info->Data;
str[info->DataLength / sizeof(WCHAR)] = 0;
version->dwBuildNumber = atoiW( str );
}
/* get version description */
RtlInitUnicodeString( &valueW, CSDVersionW );
if (!NtQueryValueKey( hkey, &valueW, KeyValuePartialInformation, tmp, sizeof(tmp)-1, &count ))
{
DWORD len = min( info->DataLength, sizeof(version->szCSDVersion) - sizeof(WCHAR) );
memcpy( version->szCSDVersion, info->Data, len );
version->szCSDVersion[len / sizeof(WCHAR)] = 0;
}
/* get service pack version (FIXME: should find a better way) */
for (p = version->szCSDVersion; *p; p++) if (isdigitW(*p)) break;
if (*p) version->wServicePackMajor = atoiW(p);
if ((p = strchrW( p, '.' ))) version->wServicePackMinor = atoiW(p + 1);
/* get product type */
RtlInitUnicodeString( &nameW, product_keyW );
if (!NtOpenKey( &product, KEY_ALL_ACCESS, &attr ))
{
RtlInitUnicodeString( &valueW, ProductTypeW );
if (!NtQueryValueKey( product, &valueW, KeyValuePartialInformation, tmp, sizeof(tmp)-1, &count ))
{
WCHAR *str = (WCHAR *)info->Data;
str[info->DataLength / sizeof(WCHAR)] = 0;
if (!strcmpiW( str, WinNTW )) version->wProductType = VER_NT_WORKSTATION;
else if (!strcmpiW( str, LanmanNTW )) version->wProductType = VER_NT_DOMAIN_CONTROLLER;
else if (!strcmpiW( str, ServerNTW )) version->wProductType = VER_NT_SERVER;
}
NtClose( product );
}
/* FIXME: get wSuiteMask */
}
NtClose( hkey );
return ret;
}
/**********************************************************************
* get_win9x_registry_version
*
* Fetch the version information from the Win9x-style registry keys.
*/
static BOOL get_win9x_registry_version( RTL_OSVERSIONINFOEXW *version )
{
static const WCHAR version_keyW[] = {'M','a','c','h','i','n','e','\\',
'S','o','f','t','w','a','r','e','\\',
'M','i','c','r','o','s','o','f','t','\\',
'W','i','n','d','o','w','s','\\',
'C','u','r','r','e','n','t','V','e','r','s','i','o','n',0};
static const WCHAR VersionNumberW[] = {'V','e','r','s','i','o','n','N','u','m','b','e','r',0};
static const WCHAR SubVersionNumberW[] = {'S','u','b','V','e','r','s','i','o','n','N','u','m','b','e','r',0};
OBJECT_ATTRIBUTES attr;
UNICODE_STRING nameW, valueW;
HANDLE hkey;
char tmp[64];
DWORD count;
BOOL ret = FALSE;
KEY_VALUE_PARTIAL_INFORMATION *info = (KEY_VALUE_PARTIAL_INFORMATION *)tmp;
attr.Length = sizeof(attr);
attr.RootDirectory = 0;
attr.ObjectName = &nameW;
attr.Attributes = 0;
attr.SecurityDescriptor = NULL;
attr.SecurityQualityOfService = NULL;
RtlInitUnicodeString( &nameW, version_keyW );
if (NtOpenKey( &hkey, KEY_ALL_ACCESS, &attr )) return FALSE;
memset( version, 0, sizeof(*version) );
RtlInitUnicodeString( &valueW, VersionNumberW );
if (!NtQueryValueKey( hkey, &valueW, KeyValuePartialInformation, tmp, sizeof(tmp)-1, &count ))
{
WCHAR *p, *str = (WCHAR *)info->Data;
str[info->DataLength / sizeof(WCHAR)] = 0;
p = strchrW( str, '.' );
if (p) *p++ = 0;
version->dwMajorVersion = atoiW( str );
if (p)
{
str = p;
p = strchrW( str, '.' );
if (p)
{
*p++ = 0;
version->dwBuildNumber = atoiW( p );
}
version->dwMinorVersion = atoiW( str );
}
/* build number contains version too on Win9x */
version->dwBuildNumber |= MAKEWORD( version->dwMinorVersion, version->dwMajorVersion ) << 16;
}
if (version->dwMajorVersion) /* we got the main version, now fetch the other fields */
{
ret = TRUE;
version->dwPlatformId = VER_PLATFORM_WIN32_WINDOWS;
RtlInitUnicodeString( &valueW, SubVersionNumberW );
if (!NtQueryValueKey( hkey, &valueW, KeyValuePartialInformation, tmp, sizeof(tmp)-1, &count ))
{
DWORD len = min( info->DataLength, sizeof(version->szCSDVersion) - sizeof(WCHAR) );
memcpy( version->szCSDVersion, info->Data, len );
version->szCSDVersion[len / sizeof(WCHAR)] = 0;
}
}
NtClose( hkey );
return ret;
}
/**********************************************************************
* parse_win_version
*
@ -265,20 +459,33 @@ void version_init( const WCHAR *appname )
if (!got_win_ver)
{
TRACE( "getting default version\n" );
parse_win_version( config_key );
got_win_ver = parse_win_version( config_key );
}
NtClose( config_key );
done:
if (!got_win_ver)
{
static RTL_OSVERSIONINFOEXW registry_version;
TRACE( "getting registry version\n" );
if (get_nt_registry_version( &registry_version ) ||
get_win9x_registry_version( &registry_version ))
current_version = &registry_version;
}
NtCurrentTeb()->Peb->OSMajorVersion = current_version->dwMajorVersion;
NtCurrentTeb()->Peb->OSMinorVersion = current_version->dwMinorVersion;
NtCurrentTeb()->Peb->OSBuildNumber = current_version->dwBuildNumber;
NtCurrentTeb()->Peb->OSPlatformId = current_version->dwPlatformId;
TRACE( "got %ld.%ld plaform %ld build %lx name %s\n",
TRACE( "got %ld.%ld plaform %ld build %lx name %s service pack %d.%d product %d\n",
current_version->dwMajorVersion, current_version->dwMinorVersion,
current_version->dwPlatformId, current_version->dwBuildNumber,
debugstr_w( current_version->szCSDVersion ));
debugstr_w(current_version->szCSDVersion),
current_version->wServicePackMajor, current_version->wServicePackMinor,
current_version->wProductType );
}