static BOOL docmdUpdateService()

in src/native/windows/apps/prunsrv/prunsrv.c [1018:1103]
74 lines of code
16 McCabe index (conditional complexity)

static BOOL docmdUpdateService(LPAPXCMDLINE lpCmdline)
{
    APXHANDLE hService;
    BOOL  rv = TRUE;

    apxLogWrite(APXLOG_MARK_INFO "Updating service...");

    hService = apxCreateService(gPool, SC_MANAGER_CREATE_SERVICE, FALSE);
    if (IS_INVALID_HANDLE(hService)) {
        apxLogWrite(APXLOG_MARK_ERROR "Unable to open the Service Manager.");
        return FALSE;
    }
    SetLastError(0);
    /* Open the service */
    if (!apxServiceOpen(hService, lpCmdline->szApplication, SERVICE_ALL_ACCESS)) {
        /* Close the existing manager handler.
         * It will be reopened inside install.
         */
        apxCloseHandle(hService);
        /* In case service doesn't exist try to install it.
         * Install will fail if there is no minimum parameters required.
         */
        return docmdInstallService(lpCmdline);
    }
    else {
        DWORD dwStart = SERVICE_NO_CHANGE;
        DWORD dwResult;
        BOOL  bDelayedStart = FALSE;
        DWORD dwType  = SERVICE_NO_CHANGE;
        LPCWSTR su = NULL;
        LPCWSTR sp = NULL;
        if (ST_SUSER & APXCMDOPT_FOUND) {
            su = SO_SUSER;
            apxLogWrite(APXLOG_MARK_DEBUG "Setting service user '%S'.",
                        SO_SUSER);
        }
        if (ST_SPASSWORD & APXCMDOPT_FOUND) {
            sp = SO_SPASSWORD;
            apxLogWrite(APXLOG_MARK_DEBUG "Setting service password '%S'.",
                        SO_SPASSWORD);
        }
        rv = (rv && apxServiceSetNames(hService,
                                       NULL,                /* Never update the ImagePath */
                                       SO_DISPLAYNAME,
                                       SO_DESCRIPTION,
                                       su,
                                       sp));
        dwResult = apxSecurityGrantFileAccessToUser(SO_LOGPATH, su);
        if (dwResult) {
            logGrantFileAccessFail(su, SO_LOGPATH, dwResult);
        }
        /* Update the --Startup mode */
        if (ST_STARTUP & APXCMDOPT_FOUND) {
            if (!lstrcmpiW(SO_STARTUP, PRSRV_DELAYED)) {
                dwStart = SERVICE_DEMAND_START;
                bDelayedStart = TRUE;
            }
            else if (!lstrcmpiW(SO_STARTUP, PRSRV_AUTO))
                dwStart = SERVICE_AUTO_START;
            else if (!lstrcmpiW(SO_STARTUP, PRSRV_MANUAL))
                dwStart = SERVICE_DEMAND_START;
        }
        if (ST_TYPE & APXCMDOPT_FOUND) {
            if (!lstrcmpiW(SO_TYPE, STYPE_INTERACTIVE))
                dwType = SERVICE_WIN32_OWN_PROCESS | SERVICE_INTERACTIVE_PROCESS;
        }
        rv = (rv && apxServiceSetOptions(hService,
                                         SO_DEPENDSON,
                                         dwType,
                                         dwStart,
                                         bDelayedStart,
                                         SERVICE_NO_CHANGE));

        apxLogWrite(APXLOG_MARK_INFO "Updated service '%S'.",
                    lpCmdline->szApplication);

        rv = (rv && saveConfiguration(lpCmdline));
    }
    apxCloseHandle(hService);
    if (rv)
        apxLogWrite(APXLOG_MARK_INFO "Finished updating service '%S'.", lpCmdline->szApplication);
    else
        apxLogWrite(APXLOG_MARK_INFO "Failed updating service '%S'.",
                                     lpCmdline->szApplication);
    return rv;
}