Function DenyOtherSession

cppcryptfs/dokan/cryptdokan.cpp:173–209

deny other users based on SessionId

// deny other users based on SessionId 
static bool DenyOtherSession(const CryptContext* con, PDOKAN_FILE_INFO DokanFileInfo)
{
    if (!con->m_denyOtherSessions && !con->m_denyServices) {
        return false;
    } else {        
        DWORD theirSessionId = 0xffffffff;
        if (!GetSessionIdFromDokanFileInfo(DokanFileInfo, theirSessionId)) {
            const DWORD lastErr = GetLastError();
            DbgPrint(L"Unable to get sessionId for remote process, LastErr = %u\n", lastErr);
            return true;
        }

        // session id 0 is for services like AV
        if (theirSessionId == 0) {
            const auto result = con->m_denyServices;
            if (result) {
                DbgPrint(L"Denied access by a service\n");
            }
            return result;
        }

        if (!con->m_denyOtherSessions) {
            return false;
        }
        
        if (g_GotSessionId) {
           const auto result = theirSessionId != g_SessionId;
           if (result) {
               DbgPrint(L"Denied access by other session\n");
           }
           return result;
        } else {
            DbgPrint(L"Denied access because deny other sessions in effect but were unable to obtain our session id\n");
            return true;
        }
    }
}

static void PrintUserName(PDOKAN_FILE_INFO DokanFileInfo) {