示例#1
0
文件: updater.go 项目: dwdm/clair
// Update fetches all the vulnerabilities from the registered fetchers, upserts
// them into the database and then sends notifications.
func Update() {
	log.Info("updating vulnerabilities")

	// Fetch updates.
	status, responses := fetch()

	// Merge responses.
	vulnerabilities, packages, flags, notes, err := mergeAndVerify(responses)
	if err != nil {
		log.Errorf("an error occured when merging update responses: %s", err)
		return
	}
	responses = nil

	// TODO(Quentin-M): Complete informations using NVD

	// Insert packages.
	log.Tracef("beginning insertion of %d packages for update", len(packages))
	err = database.InsertPackages(packages)
	if err != nil {
		log.Errorf("an error occured when inserting packages for update: %s", err)
		return
	}
	packages = nil

	// Insert vulnerabilities.
	log.Tracef("beginning insertion of %d vulnerabilities for update", len(vulnerabilities))
	notifications, err := database.InsertVulnerabilities(vulnerabilities)
	if err != nil {
		log.Errorf("an error occured when inserting vulnerabilities for update: %s", err)
		return
	}
	vulnerabilities = nil

	// Insert notifications into the database.
	err = database.InsertNotifications(notifications, database.GetDefaultNotificationWrapper())
	if err != nil {
		log.Errorf("an error occured when inserting notifications for update: %s", err)
		return
	}
	notifications = nil

	// Update flags and notes.
	for flagName, flagValue := range flags {
		database.UpdateFlag(flagName, flagValue)
	}
	database.UpdateFlag(notesFlagName, notes)

	// Update last successful update if every fetchers worked properly.
	if status {
		database.UpdateFlag(flagName, strconv.FormatInt(time.Now().UTC().Unix(), 10))
	}
	log.Info("update finished")
}
示例#2
0
// POSTVulnerabilities manually inserts a vulnerability into the database if it
// does not exist yet.
func POSTVulnerabilities(w http.ResponseWriter, r *http.Request, p httprouter.Params) {
	var parameters *database.AbstractVulnerability
	if s, err := jsonhttp.ParseBody(r, &parameters); err != nil {
		jsonhttp.RenderError(w, s, err)
		return
	}

	// Ensure that the vulnerability does not exist.
	vulnerability, err := database.FindOneVulnerability(parameters.ID, []string{})
	if err != nil && err != cerrors.ErrNotFound {
		jsonhttp.RenderError(w, 0, err)
		return
	}
	if vulnerability != nil {
		jsonhttp.RenderError(w, 0, cerrors.NewBadRequestError("vulnerability already exists"))
		return
	}

	// Insert packages.
	packages := database.AbstractPackagesToPackages(parameters.AffectedPackages)
	err = database.InsertPackages(packages)
	if err != nil {
		jsonhttp.RenderError(w, 0, err)
		return
	}
	var pkgNodes []string
	for _, p := range packages {
		pkgNodes = append(pkgNodes, p.Node)
	}

	// Insert vulnerability.
	notifications, err := database.InsertVulnerabilities([]*database.Vulnerability{parameters.ToVulnerability(pkgNodes)})
	if err != nil {
		jsonhttp.RenderError(w, 0, err)
		return
	}

	// Insert notifications.
	err = database.InsertNotifications(notifications, database.GetDefaultNotificationWrapper())
	if err != nil {
		jsonhttp.RenderError(w, 0, err)
		return
	}

	jsonhttp.Render(w, http.StatusCreated, nil)
}
示例#3
0
// PUTVulnerabilities updates a vulnerability if it exists.
func PUTVulnerabilities(w http.ResponseWriter, r *http.Request, p httprouter.Params) {
	var parameters *database.AbstractVulnerability
	if s, err := httputils.ParseHTTPBody(r, &parameters); err != nil {
		httputils.WriteHTTPError(w, s, err)
		return
	}
	parameters.ID = p.ByName("id")

	// Ensure that the vulnerability exists.
	_, err := database.FindOneVulnerability(parameters.ID, []string{})
	if err != nil {
		httputils.WriteHTTPError(w, 0, err)
		return
	}

	// Insert packages.
	packages := database.AbstractPackagesToPackages(parameters.AffectedPackages)
	err = database.InsertPackages(packages)
	if err != nil {
		httputils.WriteHTTPError(w, 0, err)
		return
	}
	var pkgNodes []string
	for _, p := range packages {
		pkgNodes = append(pkgNodes, p.Node)
	}

	// Insert vulnerability.
	notifications, err := database.InsertVulnerabilities([]*database.Vulnerability{parameters.ToVulnerability(pkgNodes)})
	if err != nil {
		httputils.WriteHTTPError(w, 0, err)
		return
	}

	// Insert notifications.
	err = database.InsertNotifications(notifications, database.GetDefaultNotificationWrapper())
	if err != nil {
		httputils.WriteHTTPError(w, 0, err)
		return
	}

	httputils.WriteHTTP(w, http.StatusCreated, nil)
}
示例#4
0
文件: updater.go 项目: neujie/clair
// Update fetches all the vulnerabilities from the registered fetchers, upserts
// them into the database and then sends notifications.
func Update() {
	log.Info("updating vulnerabilities")

	// Fetch updates in parallel.
	var status = true
	var responseC = make(chan *FetcherResponse, 0)
	for n, f := range fetchers {
		go func(name string, fetcher Fetcher) {
			response, err := fetcher.FetchUpdate()
			if err != nil {
				log.Errorf("an error occured when fetching update '%s': %s.", name, err)
				status = false
				responseC <- nil
				return
			}

			responseC <- &response
		}(n, f)
	}

	// Collect results of updates.
	var responses []*FetcherResponse
	var notes []string
	for i := 0; i < len(fetchers); {
		select {
		case resp := <-responseC:
			if resp != nil {
				responses = append(responses, resp)
				notes = append(notes, resp.Notes...)
			}
			i++
		}
	}

	close(responseC)

	// TODO(Quentin-M): Merge responses together
	// TODO(Quentin-M): Complete informations using NVD

	// Store flags out of the response struct.
	flags := make(map[string]string)
	for _, response := range responses {
		if response.FlagName != "" && response.FlagValue != "" {
			flags[response.FlagName] = response.FlagValue
		}
	}

	// Update health notes.
	healthNotes = notes

	// Build list of packages.
	var packages []*database.Package
	for _, response := range responses {
		for _, v := range response.Vulnerabilities {
			packages = append(packages, v.FixedIn...)
		}
	}

	// Insert packages into the database.
	log.Tracef("beginning insertion of %d packages for update", len(packages))
	t := time.Now()
	err := database.InsertPackages(packages)
	log.Tracef("inserting %d packages took %v", len(packages), time.Since(t))
	if err != nil {
		log.Errorf("an error occured when inserting packages for update: %s", err)
		updateHealth(false)
		return
	}
	packages = nil

	// Build a list of vulnerabilties.
	var vulnerabilities []*database.Vulnerability
	for _, response := range responses {
		for _, v := range response.Vulnerabilities {
			var packageNodes []string
			for _, pkg := range v.FixedIn {
				packageNodes = append(packageNodes, pkg.Node)
			}
			vulnerabilities = append(vulnerabilities, &database.Vulnerability{ID: v.ID, Link: v.Link, Priority: v.Priority, Description: v.Description, FixedInNodes: packageNodes})
		}
	}
	responses = nil

	// Insert vulnerabilities into the database.
	log.Tracef("beginning insertion of %d vulnerabilities for update", len(vulnerabilities))
	t = time.Now()
	notifications, err := database.InsertVulnerabilities(vulnerabilities)
	log.Tracef("inserting %d vulnerabilities took %v", len(vulnerabilities), time.Since(t))
	if err != nil {
		log.Errorf("an error occured when inserting vulnerabilities for update: %s", err)
		updateHealth(false)
		return
	}
	vulnerabilities = nil

	// Insert notifications into the database.
	err = database.InsertNotifications(notifications, database.GetDefaultNotificationWrapper())
	if err != nil {
		log.Errorf("an error occured when inserting notifications for update: %s", err)
		updateHealth(false)
		return
	}
	notifications = nil

	// Update flags in the database.
	for flagName, flagValue := range flags {
		database.UpdateFlag(flagName, flagValue)
	}

	// Update health depending on the status of the fetchers.
	updateHealth(status)
	if status {
		now := time.Now().UTC()
		database.UpdateFlag(flagName, strconv.FormatInt(now.Unix(), 10))
		healthLatestSuccessfulUpdate = now
	}
	log.Info("update finished")
}