clair/database/requests.go
2015-11-13 14:11:28 -05:00

52 lines
1.9 KiB
Go

// Copyright 2015 clair authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package database
import cerrors "github.com/coreos/clair/utils/errors"
// FindAllLayersIntroducingVulnerability finds and returns the list of layers
// that introduce the given vulnerability (by its ID), selecting the specified fields
func FindAllLayersIntroducingVulnerability(vulnerabilityID string, selectedFields []string) ([]*Layer, error) {
// Find vulnerability
vulnerability, err := FindOneVulnerability(vulnerabilityID, []string{FieldVulnerabilityFixedIn})
if err != nil {
return []*Layer{}, err
}
if vulnerability == nil {
return []*Layer{}, cerrors.ErrNotFound
}
// Find FixedIn packages
fixedInPackages, err := FindAllPackagesByNodes(vulnerability.FixedInNodes, []string{FieldPackagePreviousVersion})
if err != nil {
return []*Layer{}, err
}
// Find all FixedIn packages's ancestors packages (which are therefore vulnerable to the vulnerability)
var vulnerablePackagesNodes []string
for _, pkg := range fixedInPackages {
previousVersions, err := pkg.PreviousVersions([]string{})
if err != nil {
return []*Layer{}, err
}
for _, version := range previousVersions {
vulnerablePackagesNodes = append(vulnerablePackagesNodes, version.Node)
}
}
// Return all the layers that add these packages
return FindAllLayersByAddedPackageNodes(vulnerablePackagesNodes, selectedFields)
}