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prefer real paths for glob results

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Signed-off-by: Alex Goodman <alex.goodman@anchore.com>
This commit is contained in:
Alex Goodman 2021-01-05 18:48:28 -05:00
parent a5537943fa
commit 06641cfda2
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GPG Key ID: 5CB45AE22BAB7EA7
4 changed files with 22 additions and 3 deletions
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6
syft/source/all_layers_resolver.go
View File

@ -114,7 +114,8 @@ func (r *AllLayersResolver) FilesByPath(paths ...string) ([]Location, error) {
return nil, err return nil, err
} }
for _, result := range results { for _, result := range results {
uniqueLocations = append(uniqueLocations, NewLocationFromImage(path, result, r.img)) // we always prefer the REAL path (not the user given path which may have symlinks)
uniqueLocations = append(uniqueLocations, NewLocationFromImage(string(result.RealPath), result, r.img))
} }
} }
} }
@ -153,7 +154,8 @@ func (r *AllLayersResolver) FilesByGlob(patterns ...string) ([]Location, error)
return nil, err return nil, err
} }
for _, refResult := range refResults { for _, refResult := range refResults {
uniqueLocations = append(uniqueLocations, NewLocationFromImage(string(result.MatchPath), refResult, r.img)) // we always prefer the REAL path (not the user given path which may have symlinks)
uniqueLocations = append(uniqueLocations, NewLocationFromImage(string(refResult.RealPath), refResult, r.img))
} }
} }
} }

8
syft/source/all_layers_resolver_test.go
View File

@ -117,6 +117,10 @@ func TestAllLayersResolver_FilesByPath(t *testing.T) {
t.Errorf("bad resolve path: '%s'!='%s'", string(actual.ref.RealPath), expected.path) t.Errorf("bad resolve path: '%s'!='%s'", string(actual.ref.RealPath), expected.path)
} }
if expected.path != "" && string(actual.ref.RealPath) != actual.Path {
t.Errorf("we should always prefer real paths over ones with links")
}
entry, err := img.FileCatalog.Get(actual.ref) entry, err := img.FileCatalog.Get(actual.ref)
if err != nil { if err != nil {
t.Fatalf("failed to get metadata: %+v", err) t.Fatalf("failed to get metadata: %+v", err)
@ -221,6 +225,10 @@ func TestAllLayersResolver_FilesByGlob(t *testing.T) {
t.Errorf("bad resolve path: '%s'!='%s'", string(actual.ref.RealPath), expected.path) t.Errorf("bad resolve path: '%s'!='%s'", string(actual.ref.RealPath), expected.path)
} }
if expected.path != "" && string(actual.ref.RealPath) != actual.Path {
t.Errorf("we should always prefer real paths over ones with links")
}
entry, err := img.FileCatalog.Get(actual.ref) entry, err := img.FileCatalog.Get(actual.ref)
if err != nil { if err != nil {
t.Fatalf("failed to get metadata: %+v", err) t.Fatalf("failed to get metadata: %+v", err)

3
syft/source/image_squash_resolver.go
View File

@ -66,7 +66,8 @@ func (r *ImageSquashResolver) FilesByPath(paths ...string) ([]Location, error) {
if resolvedRef != nil && !uniqueFileIDs.Contains(*resolvedRef) { if resolvedRef != nil && !uniqueFileIDs.Contains(*resolvedRef) {
uniqueFileIDs.Add(*resolvedRef) uniqueFileIDs.Add(*resolvedRef)
uniqueLocations = append(uniqueLocations, NewLocationFromImage(path, *resolvedRef, r.img)) // we always prefer the REAL path (not the user given path which may have symlinks)
uniqueLocations = append(uniqueLocations, NewLocationFromImage(string(resolvedRef.RealPath), *resolvedRef, r.img))
} }
} }

8
syft/source/image_squash_resolver_test.go
View File

@ -106,6 +106,10 @@ func TestImageSquashResolver_FilesByPath(t *testing.T) {
t.Errorf("bad resolve path: '%s'!='%s'", string(actual.ref.RealPath), c.resolvePath) t.Errorf("bad resolve path: '%s'!='%s'", string(actual.ref.RealPath), c.resolvePath)
} }
if c.resolvePath != "" && string(actual.ref.RealPath) != actual.Path {
t.Errorf("we should always prefer real paths over ones with links")
}
entry, err := img.FileCatalog.Get(actual.ref) entry, err := img.FileCatalog.Get(actual.ref)
if err != nil { if err != nil {
t.Fatalf("failed to get metadata: %+v", err) t.Fatalf("failed to get metadata: %+v", err)
@ -208,6 +212,10 @@ func TestImageSquashResolver_FilesByGlob(t *testing.T) {
t.Errorf("bad resolve path: '%s'!='%s'", string(actual.ref.RealPath), c.resolvePath) t.Errorf("bad resolve path: '%s'!='%s'", string(actual.ref.RealPath), c.resolvePath)
} }
if c.resolvePath != "" && string(actual.ref.RealPath) != actual.Path {
t.Errorf("we should always prefer real paths over ones with links")
}
entry, err := img.FileCatalog.Get(actual.ref) entry, err := img.FileCatalog.Get(actual.ref)
if err != nil { if err != nil {
t.Fatalf("failed to get metadata: %+v", err) t.Fatalf("failed to get metadata: %+v", err)