From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:45012) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dSgBa-0004Rp-Ay for qemu-devel@nongnu.org; Wed, 05 Jul 2017 05:01:27 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1dSgBW-0000yv-7u for qemu-devel@nongnu.org; Wed, 05 Jul 2017 05:01:26 -0400 Received: from mail-wm0-x242.google.com ([2a00:1450:400c:c09::242]:36779) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1dSgBW-0000yq-1c for qemu-devel@nongnu.org; Wed, 05 Jul 2017 05:01:22 -0400 Received: by mail-wm0-x242.google.com with SMTP id y5so30943574wmh.3 for ; Wed, 05 Jul 2017 02:01:21 -0700 (PDT) From: Sameeh Jubran Date: Wed, 5 Jul 2017 12:01:13 +0300 Message-Id: <20170705090113.7036-2-sameeh@daynix.com> In-Reply-To: <20170705090113.7036-1-sameeh@daynix.com> References: <20170705090113.7036-1-sameeh@daynix.com> Subject: [Qemu-devel] [Qemu-GA-Win PATCH v3] qga-win: fix installation on localized windows List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org, Michael Roth Cc: Yan Vugenfirer From: Daniel Rempel Bug: https://bugzilla.redhat.com/show_bug.cgi?id=1357789 Replace hardcoded user and group names ("Administrators", "SYSTEM") with the ones acquired from system. Windows uses localized strings for these names and it may cause the installation to fail. Windows has Well-known SIDs for "Administrators" group and "SYSTEM" user so they were used to identify required users and groups. Well-known SIDs: https://support.microsoft.com/en-us/help/243330/well-known-security-identifiers-in-windows-operating-systems Signed-off-by: Daniel Rempel Signed-off-by: Sameeh Jubran --- qga/vss-win32/install.cpp | 35 +++++++++++++++++++++++++++++++++-- 1 file changed, 33 insertions(+), 2 deletions(-) diff --git a/qga/vss-win32/install.cpp b/qga/vss-win32/install.cpp index f41fcdf..ba7c94e 100644 --- a/qga/vss-win32/install.cpp +++ b/qga/vss-win32/install.cpp @@ -18,6 +18,9 @@ #include #include #include +#include + +#define BUFFER_SIZE 1024 extern HINSTANCE g_hinstDll; @@ -135,6 +138,27 @@ out: return hr; } +/* Acquire group or user name by SID */ +static HRESULT getNameByStringSID( + const wchar_t *sid, LPWSTR buffer, LPDWORD bufferLen) +{ + HRESULT hr = S_OK; + PSID psid = NULL; + SID_NAME_USE groupType; + DWORD domainNameLen = BUFFER_SIZE; + wchar_t domainName[BUFFER_SIZE]; + + chk(ConvertStringSidToSidW(sid, &psid)); + LookupAccountSidW(NULL, psid, buffer, bufferLen, + domainName, &domainNameLen, &groupType); + hr = HRESULT_FROM_WIN32(GetLastError()); + + LocalFree(psid); + +out: + return hr; +} + /* Find and iterate QGA VSS provider in COM+ Application Catalog */ static HRESULT QGAProviderFind( HRESULT (*found)(ICatalogCollection *, int, void *), void *arg) @@ -216,6 +240,10 @@ STDAPI COMRegister(void) CHAR dllPath[MAX_PATH], tlbPath[MAX_PATH]; bool unregisterOnFailure = false; int count = 0; + DWORD bufferLen = BUFFER_SIZE; + wchar_t buffer[BUFFER_SIZE]; + const wchar_t *administratorsGroupSID = L"S-1-5-32-544"; + const wchar_t *systemUserSID = L"S-1-5-18"; if (!g_hinstDll) { errmsg(E_FAIL, "Failed to initialize DLL"); @@ -284,11 +312,12 @@ STDAPI COMRegister(void) /* Setup roles of the applicaion */ + chk(getNameByStringSID(administratorsGroupSID, buffer, &bufferLen)); chk(pApps->GetCollection(_bstr_t(L"Roles"), key, (IDispatch **)pRoles.replace())); chk(pRoles->Populate()); chk(pRoles->Add((IDispatch **)pObj.replace())); - chk(put_Value(pObj, L"Name", L"Administrators")); + chk(put_Value(pObj, L"Name", buffer)); chk(put_Value(pObj, L"Description", L"Administrators group")); chk(pRoles->SaveChanges(&n)); chk(pObj->get_Key(&key)); @@ -303,8 +332,10 @@ STDAPI COMRegister(void) chk(GetAdminName(&name)); chk(put_Value(pObj, L"User", _bstr_t(".\\") + name)); + bufferLen = BUFFER_SIZE; + chk(getNameByStringSID(systemUserSID, buffer, &bufferLen)); chk(pUsersInRole->Add((IDispatch **)pObj.replace())); - chk(put_Value(pObj, L"User", L"SYSTEM")); + chk(put_Value(pObj, L"User", buffer)); chk(pUsersInRole->SaveChanges(&n)); out: -- 2.9.4