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boinc/clientsetup/win/CASetPermissionBOINCData.cpp

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// Berkeley Open Infrastructure for Network Computing
// http://boinc.berkeley.edu
// Copyright (C) 2005 University of California
//
// This is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation;
// either version 2.1 of the License, or (at your option) any later version.
//
// This software is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
// See the GNU Lesser General Public License for more details.
//
// To view the GNU Lesser General Public License visit
// http://www.gnu.org/copyleft/lesser.html
// or write to the Free Software Foundation, Inc.,
// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
//
#include "stdafx.h"
#include "boinccas.h"
#include "CASetPermissionBOINCData.h"
#include "dirops.h"
#define CUSTOMACTION_NAME _T("CASetPermissionBOINCData")
#define CUSTOMACTION_PROGRESSTITLE _T("Setting permissions on the BOINC Data directory.")
/////////////////////////////////////////////////////////////////////
//
// Function:
//
// Description:
//
/////////////////////////////////////////////////////////////////////
CASetPermissionBOINCData::CASetPermissionBOINCData(MSIHANDLE hMSIHandle) :
BOINCCABase(hMSIHandle, CUSTOMACTION_NAME, CUSTOMACTION_PROGRESSTITLE)
{}
/////////////////////////////////////////////////////////////////////
//
// Function:
//
// Description:
//
/////////////////////////////////////////////////////////////////////
CASetPermissionBOINCData::~CASetPermissionBOINCData()
{
BOINCCABase::~BOINCCABase();
}
/////////////////////////////////////////////////////////////////////
//
// Function:
//
// Description:
//
/////////////////////////////////////////////////////////////////////
UINT CASetPermissionBOINCData::OnExecution()
{
DWORD dwRes = 0;
PACL pACL = NULL;
ULONGLONG rgSidSY[(SECURITY_MAX_SID_SIZE+sizeof(ULONGLONG)-1)/sizeof(ULONGLONG)]={0};
ULONGLONG rgSidBA[(SECURITY_MAX_SID_SIZE+sizeof(ULONGLONG)-1)/sizeof(ULONGLONG)]={0};
ULONGLONG rgSidBU[(SECURITY_MAX_SID_SIZE+sizeof(ULONGLONG)-1)/sizeof(ULONGLONG)]={0};
PSID pInstallingUserSID = NULL;
DWORD dwSidSize;
EXPLICIT_ACCESS ea[6];
ULONG ulEntries = 0;
tstring strUserSID;
tstring strBOINCAdminsGroupAlias;
tstring strBOINCUsersGroupAlias;
tstring strBOINCProjectsGroupAlias;
tstring strBOINCDataDirectory;
tstring strEnableProtectedApplicationExecution;
tstring strEnableUseByAllUsers;
UINT uiReturnValue = -1;
uiReturnValue = GetProperty( _T("UserSID"), strUserSID );
if ( uiReturnValue ) return uiReturnValue;
uiReturnValue = GetProperty( _T("BOINC_ADMINS_GROUPNAME"), strBOINCAdminsGroupAlias );
if ( uiReturnValue ) return uiReturnValue;
uiReturnValue = GetProperty( _T("BOINC_USERS_GROUPNAME"), strBOINCUsersGroupAlias );
if ( uiReturnValue ) return uiReturnValue;
uiReturnValue = GetProperty( _T("BOINC_PROJECTS_GROUPNAME"), strBOINCProjectsGroupAlias );
if ( uiReturnValue ) return uiReturnValue;
uiReturnValue = GetProperty( _T("DATADIR"), strBOINCDataDirectory );
if ( uiReturnValue ) return uiReturnValue;
uiReturnValue = GetProperty( _T("ENABLEPROTECTEDAPPLICATIONEXECUTION3"), strEnableProtectedApplicationExecution );
if ( uiReturnValue ) return uiReturnValue;
uiReturnValue = GetProperty( _T("ENABLEUSEBYALLUSERS"), strEnableUseByAllUsers );
if ( uiReturnValue ) return uiReturnValue;
// Initialize an EXPLICIT_ACCESS structure for all ACEs.
ZeroMemory(&ea, 6 * sizeof(EXPLICIT_ACCESS));
// Create a SID for the SYSTEM.
dwSidSize = sizeof( rgSidSY );
if(!CreateWellKnownSid(WinLocalSystemSid, NULL, rgSidSY, &dwSidSize))
{
LogMessage(
INSTALLMESSAGE_ERROR,
NULL,
NULL,
NULL,
GetLastError(),
_T("CreateWellKnownSid Error for SYSTEM")
);
return ERROR_INSTALL_FAILURE;
}
// Create a SID for the Administrators group.
dwSidSize = sizeof( rgSidBA );
if(!CreateWellKnownSid(WinBuiltinAdministratorsSid, NULL, rgSidBA, &dwSidSize))
{
LogMessage(
INSTALLMESSAGE_ERROR,
NULL,
NULL,
NULL,
GetLastError(),
_T("CreateWellKnownSid Error for BUILTIN\\Administrators")
);
return ERROR_INSTALL_FAILURE;
}
// Create a SID for the Users group.
dwSidSize = sizeof( rgSidBU );
if(!CreateWellKnownSid(WinBuiltinUsersSid, NULL, rgSidBU, &dwSidSize))
{
LogMessage(
INSTALLMESSAGE_ERROR,
NULL,
NULL,
NULL,
GetLastError(),
_T("CreateWellKnownSid Error for BUILTIN\\Users")
);
return ERROR_INSTALL_FAILURE;
}
// Create a SID for the current logged in user.
if(!ConvertStringSidToSid(strUserSID.c_str(), &pInstallingUserSID))
{
LogMessage(
INSTALLMESSAGE_ERROR,
NULL,
NULL,
NULL,
GetLastError(),
_T("ConvertStringSidToSid Error for Installing User")
);
return ERROR_INSTALL_FAILURE;
}
// Handle the non-service install scenario
//
if (_T("1") != strEnableProtectedApplicationExecution) {
ulEntries = 3;
// SYSTEM
ea[0].grfAccessPermissions = GENERIC_ALL;
ea[0].grfAccessMode = SET_ACCESS;
ea[0].grfInheritance = SUB_CONTAINERS_AND_OBJECTS_INHERIT;
ea[0].Trustee.TrusteeForm = TRUSTEE_IS_SID;
ea[0].Trustee.TrusteeType = TRUSTEE_IS_WELL_KNOWN_GROUP;
ea[0].Trustee.ptstrName = (LPTSTR)rgSidSY;
// Administrators
ea[1].grfAccessPermissions = GENERIC_ALL;
ea[1].grfAccessMode = SET_ACCESS;
ea[1].grfInheritance = SUB_CONTAINERS_AND_OBJECTS_INHERIT;
ea[1].Trustee.TrusteeForm = TRUSTEE_IS_SID;
ea[1].Trustee.TrusteeType = TRUSTEE_IS_WELL_KNOWN_GROUP;
ea[1].Trustee.ptstrName = (LPTSTR)rgSidBA;
// Installing User
ea[2].grfAccessPermissions = GENERIC_ALL;
ea[2].grfAccessMode = SET_ACCESS;
ea[2].grfInheritance = SUB_CONTAINERS_AND_OBJECTS_INHERIT;
ea[2].Trustee.TrusteeForm = TRUSTEE_IS_SID;
ea[2].Trustee.TrusteeType = TRUSTEE_IS_USER;
ea[2].Trustee.ptstrName = (LPTSTR)pInstallingUserSID;
// Users
if (_T("1") == strEnableUseByAllUsers) {
ulEntries = 4;
ea[3].grfAccessPermissions = GENERIC_ALL;
ea[3].grfAccessMode = SET_ACCESS;
ea[3].grfInheritance= SUB_CONTAINERS_AND_OBJECTS_INHERIT;
ea[3].Trustee.TrusteeForm = TRUSTEE_IS_SID;
ea[3].Trustee.TrusteeType = TRUSTEE_IS_WELL_KNOWN_GROUP;
ea[3].Trustee.ptstrName = (LPTSTR)rgSidBU;
}
} else {
ulEntries = 5;
// SYSTEM
ea[0].grfAccessPermissions = GENERIC_ALL;
ea[0].grfAccessMode = SET_ACCESS;
ea[0].grfInheritance = SUB_CONTAINERS_AND_OBJECTS_INHERIT;
ea[0].Trustee.TrusteeForm = TRUSTEE_IS_SID;
ea[0].Trustee.TrusteeType = TRUSTEE_IS_WELL_KNOWN_GROUP;
ea[0].Trustee.ptstrName = (LPTSTR)rgSidSY;
// Administrators
ea[1].grfAccessPermissions = GENERIC_ALL;
ea[1].grfAccessMode = SET_ACCESS;
ea[1].grfInheritance = SUB_CONTAINERS_AND_OBJECTS_INHERIT;
ea[1].Trustee.TrusteeForm = TRUSTEE_IS_SID;
ea[1].Trustee.TrusteeType = TRUSTEE_IS_WELL_KNOWN_GROUP;
ea[1].Trustee.ptstrName = (LPTSTR)rgSidBA;
// boinc_admins
ea[2].grfAccessPermissions = GENERIC_ALL;
ea[2].grfAccessMode = SET_ACCESS;
ea[2].grfInheritance = SUB_CONTAINERS_AND_OBJECTS_INHERIT;
ea[2].Trustee.TrusteeForm = TRUSTEE_IS_NAME;
ea[2].Trustee.TrusteeType = TRUSTEE_IS_GROUP;
ea[2].Trustee.ptstrName = (LPTSTR)strBOINCAdminsGroupAlias.c_str();
// boinc_users
ea[3].grfAccessPermissions = GENERIC_READ|GENERIC_EXECUTE;
ea[3].grfAccessMode = SET_ACCESS;
ea[3].grfInheritance = SUB_CONTAINERS_AND_OBJECTS_INHERIT;
ea[3].Trustee.TrusteeForm = TRUSTEE_IS_NAME;
ea[3].Trustee.TrusteeType = TRUSTEE_IS_GROUP;
ea[3].Trustee.ptstrName = (LPTSTR)strBOINCUsersGroupAlias.c_str();
// boinc_projects
ea[4].grfAccessPermissions = FILE_TRAVERSE;
ea[4].grfAccessMode = SET_ACCESS;
ea[4].grfInheritance = SUB_CONTAINERS_AND_OBJECTS_INHERIT;
ea[4].Trustee.TrusteeForm = TRUSTEE_IS_NAME;
ea[4].Trustee.TrusteeType = TRUSTEE_IS_GROUP;
ea[4].Trustee.ptstrName = (LPTSTR)strBOINCProjectsGroupAlias.c_str();
// Users
if (_T("1") == strEnableUseByAllUsers) {
ulEntries = 6;
ea[5].grfAccessPermissions = GENERIC_READ|GENERIC_EXECUTE;
ea[5].grfAccessMode = SET_ACCESS;
ea[5].grfInheritance= SUB_CONTAINERS_AND_OBJECTS_INHERIT;
ea[5].Trustee.TrusteeForm = TRUSTEE_IS_SID;
ea[5].Trustee.TrusteeType = TRUSTEE_IS_WELL_KNOWN_GROUP;
ea[5].Trustee.ptstrName = (LPTSTR)rgSidBU;
}
}
// Create a new ACL that contains the new ACEs.
dwRes = SetEntriesInAcl(ulEntries, &ea[0], NULL, &pACL);
if (ERROR_SUCCESS != dwRes)
{
LogMessage(
INSTALLMESSAGE_INFO,
NULL,
NULL,
NULL,
GetLastError(),
_T("SetEntriesInAcl Error")
);
LogMessage(
INSTALLMESSAGE_ERROR,
NULL,
NULL,
NULL,
GetLastError(),
_T("SetEntriesInAcl Error")
);
return ERROR_INSTALL_FAILURE;
}
// Set the ACL on the Data Directory itself.
dwRes = SetNamedSecurityInfo(
(LPWSTR)strBOINCDataDirectory.c_str(),
SE_FILE_OBJECT,
DACL_SECURITY_INFORMATION | PROTECTED_DACL_SECURITY_INFORMATION,
NULL,
NULL,
pACL,
NULL
);
if (ERROR_SUCCESS != dwRes)
{
LogMessage(
INSTALLMESSAGE_INFO,
NULL,
NULL,
NULL,
GetLastError(),
_T("SetNamedSecurityInfo Error")
);
LogMessage(
INSTALLMESSAGE_ERROR,
NULL,
NULL,
NULL,
GetLastError(),
_T("SetNamedSecurityInfo Error")
);
return ERROR_INSTALL_FAILURE;
}
// Set ACLs on all files and sub folders.
RecursiveSetPermissions(strBOINCDataDirectory, pACL);
if (pACL)
LocalFree(pACL);
if (pInstallingUserSID != NULL)
FreeSid(pInstallingUserSID);
return ERROR_SUCCESS;
}
/////////////////////////////////////////////////////////////////////
//
// Function: SetPermissionBOINCData
//
// Description:
//
/////////////////////////////////////////////////////////////////////
UINT __stdcall SetPermissionBOINCData(MSIHANDLE hInstall)
{
UINT uiReturnValue = 0;
CASetPermissionBOINCData* pCA = new CASetPermissionBOINCData(hInstall);
uiReturnValue = pCA->Execute();
delete pCA;
return uiReturnValue;
}
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