mirror of
https://github.com/project-zot/zot.git
synced 2026-06-18 05:28:07 +08:00
Andrei Aaron
451e7b8e47
And default it to ["auto"] when unset, with an info log from applyDefaultValues. Refactor CVE NewScanner to take *CVEConfig instead of separate DB repository strings so the full Trivy block is available to the scanner. Extend CLI and search tests for the new field and logged config; document CVE/Trivy in examples/README and add examples/config-cve-trivy.json. Signed-off-by: Andrei Aaron <andreifdaaron@gmail.com>
515 lines
16 KiB
Go
515 lines
16 KiB
Go
//go:build search
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package trivy_test
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import (
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"context"
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"errors"
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"os"
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"path/filepath"
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"testing"
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"time"
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xos "github.com/aquasecurity/trivy/pkg/x/os"
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godigest "github.com/opencontainers/go-digest"
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ispec "github.com/opencontainers/image-spec/specs-go/v1"
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. "github.com/smartystreets/goconvey/convey"
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"zotregistry.dev/zot/v2/pkg/api"
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"zotregistry.dev/zot/v2/pkg/api/config"
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extconf "zotregistry.dev/zot/v2/pkg/extensions/config"
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"zotregistry.dev/zot/v2/pkg/extensions/monitoring"
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"zotregistry.dev/zot/v2/pkg/extensions/search/cve/trivy"
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"zotregistry.dev/zot/v2/pkg/log"
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"zotregistry.dev/zot/v2/pkg/meta"
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"zotregistry.dev/zot/v2/pkg/meta/boltdb"
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"zotregistry.dev/zot/v2/pkg/meta/types"
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"zotregistry.dev/zot/v2/pkg/storage"
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"zotregistry.dev/zot/v2/pkg/storage/local"
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. "zotregistry.dev/zot/v2/pkg/test/common"
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. "zotregistry.dev/zot/v2/pkg/test/image-utils"
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"zotregistry.dev/zot/v2/pkg/test/mocks"
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)
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var ErrTestError = errors.New("test error")
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func TestScanBigTestFile(t *testing.T) {
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Convey("Scan zot-test", t, func() {
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projRootDir, err := GetProjectRootDir()
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So(err, ShouldBeNil)
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testImage := filepath.Join(projRootDir, "test/data/zot-test")
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tempDir := t.TempDir()
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port := GetFreePort()
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conf := config.New()
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conf.HTTP.Port = port
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defaultVal := true
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conf.Storage.RootDirectory = tempDir
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conf.Extensions = &extconf.ExtensionConfig{
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Search: &extconf.SearchConfig{
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BaseConfig: extconf.BaseConfig{Enable: &defaultVal},
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},
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}
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ctlr := api.NewController(conf)
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So(ctlr, ShouldNotBeNil)
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err = CopyFiles(testImage, filepath.Join(tempDir, "zot-test"))
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So(err, ShouldBeNil)
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cm := NewControllerManager(ctlr)
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cm.StartAndWait(port)
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defer cm.StopServer()
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// scan
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scanner := trivy.NewScanner(ctlr.StoreController, ctlr.MetaDB, &extconf.CVEConfig{
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Trivy: &extconf.TrivyConfig{
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DBRepository: "ghcr.io/project-zot/trivy-db",
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},
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}, ctlr.Log)
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err = scanner.UpdateDB(context.Background())
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So(err, ShouldBeNil)
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cveMap, err := scanner.ScanImage(context.Background(), "zot-test:0.0.1")
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So(err, ShouldBeNil)
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So(cveMap, ShouldNotBeNil)
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})
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}
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func TestScanningByDigest(t *testing.T) {
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Convey("Scan the individual manifests inside an index", t, func() {
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// start server
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tempDir := t.TempDir()
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port := GetFreePort()
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baseURL := GetBaseURL(port)
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conf := config.New()
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conf.HTTP.Port = port
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defaultVal := true
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conf.Storage.RootDirectory = tempDir
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conf.Extensions = &extconf.ExtensionConfig{
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Search: &extconf.SearchConfig{
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BaseConfig: extconf.BaseConfig{Enable: &defaultVal},
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},
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}
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ctlr := api.NewController(conf)
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So(ctlr, ShouldNotBeNil)
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cm := NewControllerManager(ctlr)
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cm.StartAndWait(port)
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defer cm.StopServer()
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// push index with 2 manifests: one with vulns and one without
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vulnImage := CreateDefaultVulnerableImage()
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simpleImage := CreateRandomImage()
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multiArch := CreateMultiarchWith().Images([]Image{simpleImage, //nolint:staticcheck
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vulnImage}).Build()
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err := UploadMultiarchImage(multiArch, baseURL, "multi-arch", "multi-arch-tag")
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So(err, ShouldBeNil)
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// scan
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scanner := trivy.NewScanner(ctlr.StoreController, ctlr.MetaDB, &extconf.CVEConfig{
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Trivy: &extconf.TrivyConfig{
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DBRepository: "ghcr.io/project-zot/trivy-db",
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},
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}, ctlr.Log)
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ctx := context.Background()
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err = scanner.UpdateDB(ctx)
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So(err, ShouldBeNil)
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cveMap, err := scanner.ScanImage(ctx, "multi-arch@"+vulnImage.DigestStr())
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So(err, ShouldBeNil)
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t.Logf("cveMap=%v\n", cveMap)
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So(cveMap, ShouldContainKey, Vulnerability1ID)
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So(cveMap, ShouldContainKey, Vulnerability2ID)
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So(cveMap, ShouldContainKey, Vulnerability3ID)
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cveMap, err = scanner.ScanImage(ctx, "multi-arch@"+simpleImage.DigestStr())
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So(err, ShouldBeNil)
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So(cveMap, ShouldBeEmpty)
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cveMap, err = scanner.ScanImage(ctx, "multi-arch@"+multiArch.DigestStr())
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So(err, ShouldBeNil)
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So(cveMap, ShouldContainKey, Vulnerability1ID)
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So(cveMap, ShouldContainKey, Vulnerability2ID)
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So(cveMap, ShouldContainKey, Vulnerability3ID)
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cveMap, err = scanner.ScanImage(ctx, "multi-arch:multi-arch-tag")
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So(err, ShouldBeNil)
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So(cveMap, ShouldContainKey, Vulnerability1ID)
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So(cveMap, ShouldContainKey, Vulnerability2ID)
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So(cveMap, ShouldContainKey, Vulnerability3ID)
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})
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}
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func TestVulnerableLayer(t *testing.T) {
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Convey("Vulnerable layer", t, func() {
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vulnerableLayer, err := GetLayerWithVulnerability()
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So(err, ShouldBeNil)
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created, err := time.Parse(time.RFC3339, "2023-03-29T18:19:24Z")
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So(err, ShouldBeNil)
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config := ispec.Image{
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Created: &created,
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Platform: ispec.Platform{
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Architecture: "amd64",
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OS: "linux",
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},
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Config: ispec.ImageConfig{
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Env: []string{"PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin"},
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Cmd: []string{"/bin/sh"},
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},
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RootFS: ispec.RootFS{
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Type: "layers",
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DiffIDs: []godigest.Digest{"sha256:f1417ff83b319fbdae6dd9cd6d8c9c88002dcd75ecf6ec201c8c6894681cf2b5"},
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},
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}
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img := CreateImageWith().
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LayerBlobs([][]byte{vulnerableLayer}).
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ImageConfig(config).
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Build()
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tempDir := t.TempDir()
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log := log.NewTestLogger()
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imageStore := local.NewImageStore(tempDir, false, false,
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log, monitoring.NewMetricsServer(false, log), nil, nil, nil, nil)
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storeController := storage.StoreController{
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DefaultStore: imageStore,
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}
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err = WriteImageToFileSystem(img, "repo", img.DigestStr(), storeController)
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So(err, ShouldBeNil)
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params := boltdb.DBParameters{
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RootDir: tempDir,
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}
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boltDriver, err := boltdb.GetBoltDriver(params)
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So(err, ShouldBeNil)
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metaDB, err := boltdb.New(boltDriver, log)
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So(err, ShouldBeNil)
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err = meta.ParseStorage(metaDB, storeController, log)
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So(err, ShouldBeNil)
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scanner := trivy.NewScanner(storeController, metaDB, &extconf.CVEConfig{
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Trivy: &extconf.TrivyConfig{
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DBRepository: "ghcr.io/project-zot/trivy-db",
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},
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}, log)
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err = scanner.UpdateDB(context.Background())
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So(err, ShouldBeNil)
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cveMap, err := scanner.ScanImage(context.Background(), "repo@"+img.DigestStr())
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So(err, ShouldBeNil)
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t.Logf("cveMap: %v", cveMap)
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// As of September 17 2023 there are 5 CVEs:
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// CVE-2023-1255, CVE-2023-2650, CVE-2023-2975, CVE-2023-3817, CVE-2023-3446
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// There may be more discovered in the future
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So(len(cveMap), ShouldBeGreaterThanOrEqualTo, 5)
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So(cveMap, ShouldContainKey, "CVE-2023-1255")
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So(cveMap, ShouldContainKey, "CVE-2023-2650")
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So(cveMap, ShouldContainKey, "CVE-2023-2975")
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So(cveMap, ShouldContainKey, "CVE-2023-3817")
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So(cveMap, ShouldContainKey, "CVE-2023-3446")
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})
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Convey("Vulnerable layer with vulnerability in language-specific file", t, func() {
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vulnerableLayer, err := GetLayerWithLanguageFileVulnerability()
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So(err, ShouldBeNil)
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created, err := time.Parse(time.RFC3339, "2024-02-15T09:56:01.500079786Z")
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So(err, ShouldBeNil)
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config := ispec.Image{
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Created: &created,
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Platform: ispec.Platform{
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Architecture: "amd64",
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OS: "linux",
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},
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Config: ispec.ImageConfig{
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Env: []string{"PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin"},
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},
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RootFS: ispec.RootFS{
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Type: "layers",
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DiffIDs: []godigest.Digest{"sha256:d789b0723f3e6e5064d612eb3c84071cc84a7cf7921d549642252c3295e5f937"},
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},
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}
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img := CreateImageWith().
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LayerBlobs([][]byte{vulnerableLayer}).
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ImageConfig(config).
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Build()
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tempDir := t.TempDir()
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log := log.NewTestLogger()
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imageStore := local.NewImageStore(tempDir, false, false,
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log, monitoring.NewMetricsServer(false, log), nil, nil, nil, nil)
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storeController := storage.StoreController{
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DefaultStore: imageStore,
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}
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err = WriteImageToFileSystem(img, "repo", img.DigestStr(), storeController)
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So(err, ShouldBeNil)
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params := boltdb.DBParameters{
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RootDir: tempDir,
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}
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boltDriver, err := boltdb.GetBoltDriver(params)
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So(err, ShouldBeNil)
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metaDB, err := boltdb.New(boltDriver, log)
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So(err, ShouldBeNil)
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err = meta.ParseStorage(metaDB, storeController, log)
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So(err, ShouldBeNil)
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scanner := trivy.NewScanner(storeController, metaDB, &extconf.CVEConfig{
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Trivy: &extconf.TrivyConfig{
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DBRepository: "ghcr.io/project-zot/trivy-db",
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JavaDBRepository: "ghcr.io/project-zot/trivy-java-db",
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},
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}, log)
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err = scanner.UpdateDB(context.Background())
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So(err, ShouldBeNil)
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cveMap, err := scanner.ScanImage(context.Background(), "repo@"+img.DigestStr())
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So(err, ShouldBeNil)
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t.Logf("cveMap: %v", cveMap)
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// As of Feb 15 2024, there is 1 CVE in this layer:
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So(len(cveMap), ShouldBeGreaterThanOrEqualTo, 1)
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So(cveMap, ShouldContainKey, "CVE-2016-1000027")
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cveData := cveMap["CVE-2016-1000027"]
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vulnerablePackages := cveData.PackageList
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// There is only 1 vulnerable package in this layer
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So(len(vulnerablePackages), ShouldEqual, 1)
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vulnerableSpringWebPackage := vulnerablePackages[0]
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So(vulnerableSpringWebPackage.Name, ShouldEqual, "org.springframework:spring-web")
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So(vulnerableSpringWebPackage.InstalledVersion, ShouldEqual, "5.3.31")
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So(vulnerableSpringWebPackage.FixedVersion, ShouldEqual, "6.0.0")
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So(vulnerableSpringWebPackage.PackagePath, ShouldEqual, "usr/local/artifacts/spring-web-5.3.31.jar")
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})
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}
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func TestWithTempDirErrorHandling(t *testing.T) {
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Convey("Temp Dir error handling", t, func() {
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vulnerableLayer, err := GetLayerWithVulnerability()
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So(err, ShouldBeNil)
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created, err := time.Parse(time.RFC3339, "2023-03-29T18:19:24Z")
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So(err, ShouldBeNil)
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config := ispec.Image{
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Created: &created,
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Platform: ispec.Platform{
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Architecture: "amd64",
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OS: "linux",
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},
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Config: ispec.ImageConfig{
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Env: []string{"PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin"},
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Cmd: []string{"/bin/sh"},
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},
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RootFS: ispec.RootFS{
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Type: "layers",
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DiffIDs: []godigest.Digest{"sha256:f1417ff83b319fbdae6dd9cd6d8c9c88002dcd75ecf6ec201c8c6894681cf2b5"},
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},
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}
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img := CreateImageWith().
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LayerBlobs([][]byte{vulnerableLayer}).
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ImageConfig(config).
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Build()
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tempDir := t.TempDir()
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log := log.NewTestLogger()
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imageStore := local.NewImageStore(tempDir, false, false,
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log, monitoring.NewMetricsServer(false, log), nil, nil, nil, nil)
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storeController := storage.StoreController{
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DefaultStore: imageStore,
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}
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err = WriteImageToFileSystem(img, "repo", img.DigestStr(), storeController)
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So(err, ShouldBeNil)
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params := boltdb.DBParameters{
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RootDir: tempDir,
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}
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boltDriver, err := boltdb.GetBoltDriver(params)
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So(err, ShouldBeNil)
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metaDB, err := boltdb.New(boltDriver, log)
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So(err, ShouldBeNil)
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err = meta.ParseStorage(metaDB, storeController, log)
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So(err, ShouldBeNil)
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scanner := trivy.NewScanner(storeController, metaDB, &extconf.CVEConfig{
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Trivy: &extconf.TrivyConfig{
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DBRepository: "ghcr.io/project-zot/trivy-db",
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},
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}, log)
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// Clean up any existing temp directory first
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_ = xos.Cleanup()
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// Get temp directory path (xos.TempDir() uses sync.OnceValues, so it won't recreate after cleanup)
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tempDirPath := xos.TempDir()
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// Manually create the directory since xos.Cleanup() removed it
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err = os.MkdirAll(tempDirPath, 0o755)
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So(err, ShouldBeNil)
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// Change permissions to 0o000 to test error handling
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err = os.Chmod(tempDirPath, 0o000)
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So(err, ShouldBeNil)
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defer func() {
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// Clean up in case test fails
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// Note: directory may have been cleaned up by withTempDir, so we just call xos.Cleanup()
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_ = os.Chmod(tempDirPath, 0o755)
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_ = xos.Cleanup()
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}()
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err = scanner.UpdateDB(context.Background())
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So(err, ShouldNotBeNil)
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// Verify temp directory no longer exists
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_, err = os.Stat(tempDirPath)
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So(err, ShouldNotBeNil)
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err = scanner.UpdateDB(context.Background())
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So(err, ShouldBeNil)
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// Verify temp directory no longer exists
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_, err = os.Stat(tempDirPath)
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So(err, ShouldNotBeNil)
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// Test scan with no permissions on temp directory
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// Ensure directory exists again after cleanup (xos.Cleanup() removed it)
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tempDirPath = xos.TempDir()
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err = os.MkdirAll(tempDirPath, 0o755)
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So(err, ShouldBeNil)
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err = os.Chmod(tempDirPath, 0o000)
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So(err, ShouldBeNil)
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_, err = scanner.ScanImage(context.Background(), "repo@"+img.DigestStr())
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So(err, ShouldNotBeNil)
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// Verify temp directory no longer exists
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_, err = os.Stat(tempDirPath)
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So(err, ShouldNotBeNil)
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cveMap, err := scanner.ScanImage(context.Background(), "repo@"+img.DigestStr())
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So(err, ShouldBeNil)
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t.Logf("cveMap: %v", cveMap)
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// As of September 17 2023 there are 5 CVEs:
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// CVE-2023-1255, CVE-2023-2650, CVE-2023-2975, CVE-2023-3817, CVE-2023-3446
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// There may be more discovered in the future
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So(len(cveMap), ShouldBeGreaterThanOrEqualTo, 5)
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So(cveMap, ShouldContainKey, "CVE-2023-1255")
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So(cveMap, ShouldContainKey, "CVE-2023-2650")
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So(cveMap, ShouldContainKey, "CVE-2023-2975")
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So(cveMap, ShouldContainKey, "CVE-2023-3817")
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So(cveMap, ShouldContainKey, "CVE-2023-3446")
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// Verify temp directory no longer exists
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_, err = os.Stat(tempDirPath)
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So(err, ShouldNotBeNil)
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})
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}
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func TestScannerErrors(t *testing.T) {
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Convey("Errors", t, func() {
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storeController := storage.StoreController{}
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metaDB := mocks.MetaDBMock{}
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log := log.NewTestLogger()
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testTrivyCVEConfig := func() *extconf.CVEConfig {
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return &extconf.CVEConfig{
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Trivy: &extconf.TrivyConfig{
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DBRepository: "ghcr.io/project-zot/trivy-db",
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},
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}
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}
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Convey("IsImageFormatScannable", func() {
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storeController.DefaultStore = mocks.MockedImageStore{}
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metaDB.GetImageMetaFn = func(digest godigest.Digest) (types.ImageMeta, error) {
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return types.ImageMeta{}, ErrTestError
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}
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scanner := trivy.NewScanner(storeController, metaDB, testTrivyCVEConfig(), log)
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_, err := scanner.IsImageFormatScannable("repo", godigest.FromString("dig").String())
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So(err, ShouldNotBeNil)
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})
|
|
Convey("IsImageMediaScannable", func() {
|
|
storeController.DefaultStore = mocks.MockedImageStore{}
|
|
metaDB.GetImageMetaFn = func(digest godigest.Digest) (types.ImageMeta, error) {
|
|
return types.ImageMeta{}, ErrTestError
|
|
}
|
|
scanner := trivy.NewScanner(storeController, metaDB, testTrivyCVEConfig(), log)
|
|
|
|
Convey("Manifest", func() {
|
|
_, err := scanner.IsImageMediaScannable("repo", godigest.FromString("dig").String(), ispec.MediaTypeImageManifest)
|
|
So(err, ShouldNotBeNil)
|
|
})
|
|
Convey("Index", func() {
|
|
_, err := scanner.IsImageMediaScannable("repo", godigest.FromString("dig").String(), ispec.MediaTypeImageIndex)
|
|
So(err, ShouldNotBeNil)
|
|
})
|
|
Convey("Index with nil index", func() {
|
|
metaDB.GetImageMetaFn = func(digest godigest.Digest) (types.ImageMeta, error) {
|
|
return types.ImageMeta{}, nil
|
|
}
|
|
scanner := trivy.NewScanner(storeController, metaDB, testTrivyCVEConfig(), log)
|
|
|
|
_, err := scanner.IsImageMediaScannable("repo", godigest.FromString("dig").String(), ispec.MediaTypeImageIndex)
|
|
So(err, ShouldNotBeNil)
|
|
})
|
|
Convey("Index with good index", func() {
|
|
metaDB.GetImageMetaFn = func(digest godigest.Digest) (types.ImageMeta, error) {
|
|
return types.ImageMeta{
|
|
Index: &ispec.Index{
|
|
Manifests: []ispec.Descriptor{{MediaType: ispec.MediaTypeImageLayer}},
|
|
},
|
|
Manifests: []types.ManifestMeta{{Manifest: ispec.Manifest{
|
|
Layers: []ispec.Descriptor{{MediaType: ispec.MediaTypeImageLayer}},
|
|
}}},
|
|
}, nil
|
|
}
|
|
scanner := trivy.NewScanner(storeController, metaDB, testTrivyCVEConfig(), log)
|
|
|
|
_, err := scanner.IsImageMediaScannable("repo", godigest.FromString("dig").String(), ispec.MediaTypeImageIndex)
|
|
So(err, ShouldBeNil)
|
|
})
|
|
})
|
|
Convey("ScanImage", func() {
|
|
storeController.DefaultStore = mocks.MockedImageStore{}
|
|
metaDB.GetImageMetaFn = func(digest godigest.Digest) (types.ImageMeta, error) {
|
|
return types.ImageMeta{}, ErrTestError
|
|
}
|
|
|
|
scanner := trivy.NewScanner(storeController, metaDB, testTrivyCVEConfig(), log)
|
|
|
|
_, err := scanner.ScanImage(context.Background(), "image@"+godigest.FromString("digest").String())
|
|
So(err, ShouldNotBeNil)
|
|
})
|
|
})
|
|
}
|