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Delete version sniffing logic.
This commit is contained in:
Mike Hearn
Alexandre Julliard
parent
38f2ee9d04
commit
17049acd68
@ -303,191 +303,6 @@ void VERSION_Init( const WCHAR *appname )
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NtClose( config_key );
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}
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/**********************************************************************
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* VERSION_GetSystemDLLVersion
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*
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* This function tries to figure out if a given (native) dll comes from
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* win95/98 or winnt. Since all values in the OptionalHeader are not a
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* usable hint, we test if a dll imports the ntdll.
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* This is at least working for all system dlls like comctl32, comdlg32 and
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* shell32.
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* If you have a better idea to figure this out...
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*/
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static DWORD VERSION_GetSystemDLLVersion( HMODULE hmod )
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{
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DWORD size;
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IMAGE_IMPORT_DESCRIPTOR *pe_imp;
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if ((pe_imp = RtlImageDirectoryEntryToData( hmod, TRUE, IMAGE_DIRECTORY_ENTRY_IMPORT, &size )))
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{
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for ( ; pe_imp->Name; pe_imp++)
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{
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char * name = (char *)hmod + (unsigned int)pe_imp->Name;
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TRACE("%s\n", name);
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if (!strncasecmp(name, "ntdll", 5))
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{
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switch(RtlImageNtHeader(hmod)->OptionalHeader.MajorOperatingSystemVersion) {
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case 3:
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MESSAGE("WARNING: very old native DLL (NT 3.x) used, might cause instability.\n");
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return NT351;
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case 4: return NT40;
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case 5: switch (RtlImageNtHeader(hmod)->OptionalHeader.MinorOperatingSystemVersion){
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case 0: return NT2K;
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case 1: return WINXP;
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case 2: return WIN2K3;
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}
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default:
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FIXME("Unknown DLL OS version, please report !!\n");
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return WIN2K3;
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}
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}
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}
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}
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return WIN95;
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}
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/**********************************************************************
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* VERSION_GetLinkedDllVersion
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*
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* Some version data (not reliable!):
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* linker/OS/image/subsys
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*
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* x.xx/1.00/0.00/3.10 Win32s (any version ?)
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* 2.39/1.00/0.00/3.10 Win32s freecell.exe (any version)
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* 2.50/1.00/4.00/4.00 Win32s 1.30 winhlp32.exe
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* 2.60/3.51/3.51/3.51 NT351SP5 system dlls
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* 2.60/3.51/3.51/4.00 NT351SP5 comctl32 dll
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* 2.xx/1.00/0.00/4.00 Win95 system files
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* x.xx/4.00/0.00/4.00 Win95 most applications
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* 3.10/4.00/0.00/4.00 Win98 notepad
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* x.xx/5.00/5.00/4.00 Win98 system dlls (e.g. comctl32.dll)
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* x.xx/4.00/4.00/4.00 NT 4 most apps
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* 5.12/5.00/5.00/4.00 NT4+IE5 comctl32.dll
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* 5.12/5.00/5.00/4.00 Win98 calc
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* x.xx/5.00/5.00/4.00 win95/win98/NT4 IE5 files
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* 2.38/4.00/1.00/4.00 Mingw32 applications compiled with mingw32
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*/
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static DWORD VERSION_GetLinkedDllVersion(void)
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{
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WINDOWS_VERSION WinVersion = NB_WINDOWS_VERSIONS;
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PIMAGE_OPTIONAL_HEADER ophd;
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IMAGE_NT_HEADERS *nt;
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const WCHAR *name;
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PLIST_ENTRY mark, entry;
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PLDR_MODULE mod;
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unsigned int i;
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/* First check the native dlls provided. These have to be
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from one windows version */
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mark = &NtCurrentTeb()->Peb->LdrData->InLoadOrderModuleList;
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for (entry = mark->Flink; entry != mark; entry = entry->Flink)
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{
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mod = CONTAINING_RECORD(entry, LDR_MODULE, InLoadOrderModuleList);
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if (mod->Flags & LDR_WINE_INTERNAL) continue;
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nt = RtlImageNtHeader(mod->BaseAddress);
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ophd = &nt->OptionalHeader;
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name = strrchrW( mod->FullDllName.Buffer, '\\' );
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if (name) name++;
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else name = mod->FullDllName.Buffer;
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TRACE("%s: %02x.%02x/%02x.%02x/%02x.%02x/%02x.%02x\n",
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debugstr_w(name), ophd->MajorLinkerVersion, ophd->MinorLinkerVersion,
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ophd->MajorOperatingSystemVersion, ophd->MinorOperatingSystemVersion,
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ophd->MajorImageVersion, ophd->MinorImageVersion,
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ophd->MajorSubsystemVersion, ophd->MinorSubsystemVersion);
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for (i = 0; i < sizeof(special_dlls)/sizeof(special_dlls[0]); i++)
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{
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/* test if it is a special dll */
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if (!strcmpiW(name, special_dlls[i]))
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{
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DWORD DllVersion = VERSION_GetSystemDLLVersion(mod->BaseAddress);
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if (WinVersion == NB_WINDOWS_VERSIONS) WinVersion = DllVersion;
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else if (WinVersion != DllVersion)
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{
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ERR("You mixed system DLLs from different windows versions! Expect a crash! (%s: expected version %s, but is %s)\n",
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debugstr_w(name),
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debugstr_w(VersionData[WinVersion].szCSDVersion),
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debugstr_w(VersionData[DllVersion].szCSDVersion));
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return WIN20; /* this may let the exe exit */
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}
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break;
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}
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}
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}
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if(WinVersion != NB_WINDOWS_VERSIONS) return WinVersion;
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/* we are using no external system dlls, look at the exe */
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nt = RtlImageNtHeader(NtCurrentTeb()->Peb->ImageBaseAddress);
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ophd = &nt->OptionalHeader;
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TRACE("%02x.%02x/%02x.%02x/%02x.%02x/%02x.%02x\n",
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ophd->MajorLinkerVersion, ophd->MinorLinkerVersion,
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ophd->MajorOperatingSystemVersion, ophd->MinorOperatingSystemVersion,
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ophd->MajorImageVersion, ophd->MinorImageVersion,
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ophd->MajorSubsystemVersion, ophd->MinorSubsystemVersion);
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/* special nt 3.51 */
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if (3 == ophd->MajorOperatingSystemVersion && 51 == ophd->MinorOperatingSystemVersion)
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{
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return NT351;
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}
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/* the MajorSubsystemVersion is the only usable sign */
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if (ophd->MajorSubsystemVersion < 4)
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{
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if ( ophd->MajorOperatingSystemVersion == 1
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&& ophd->MinorOperatingSystemVersion == 0)
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{
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return WIN31; /* win32s */
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}
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if (ophd->Subsystem == IMAGE_SUBSYSTEM_WINDOWS_CUI)
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return NT351; /* FIXME: NT 3.1, not tested */
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else
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return WIN98;
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}
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switch (ophd->MajorOperatingSystemVersion)
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{
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case 5:
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switch (ophd->MinorOperatingSystemVersion)
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{
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case 0 : return NT2K;
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case 1 : return WINXP;
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case 2 : return WIN2K3;
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}
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break;
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case 4:
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switch(ophd->MinorOperatingSystemVersion)
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{
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case 90 : return WINME;
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case 10 : return WIN98;
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case 0 :
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switch(ophd->MajorImageVersion)
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{
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case 4 : return WIN98; /* most apps will use this */
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case 1 : return WIN98; /* this seems to be generated by Mingw32 */
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case 0 : return WIN95;
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}
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break;
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}
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break;
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case 1:
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if(ophd->MinorOperatingSystemVersion == 0)
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return WIN95;
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break;
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}
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FIXME("Unknown EXE OS version %d.%d, please report !!\n",
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ophd->MajorOperatingSystemVersion, ophd->MinorOperatingSystemVersion );
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return WIN98;
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}
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/**********************************************************************
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* VERSION_GetVersion
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*
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@ -503,19 +318,11 @@ static DWORD VERSION_GetLinkedDllVersion(void)
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*/
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static const RTL_OSVERSIONINFOEXW *VERSION_GetVersion(void)
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{
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static WORD winver = 0xffff;
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static WORD winver = WIN98;
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if (versionForced)
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return &VersionData[forcedWinVersion]; /* user has overridden any sensible checks */
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if (winver == 0xffff) /* to be determined */
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{
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WINDOWS_VERSION retver = VERSION_GetLinkedDllVersion();
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/* cache determined value, but do not store in case of WIN31 */
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if (retver != WIN31) winver = retver;
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return &VersionData[retver];
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}
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return &VersionData[winver];
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}
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