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|
package idmap
import (
"fmt"
"testing"
"github.com/stretchr/testify/assert"
)
func TestSetAddSafe_split(t *testing.T) {
orig := Set{Entries: []Entry{{IsUID: true, HostID: 1000, NSID: 0, MapRange: 1000}}}
err := orig.AddSafe(Entry{IsUID: true, HostID: 500, NSID: 500, MapRange: 10})
if err != nil {
t.Error(err)
return
}
if orig.Entries[0].HostID != 1000 || orig.Entries[0].NSID != 0 || orig.Entries[0].MapRange != 500 {
t.Error(fmt.Errorf("bad range: %v", orig.Entries[0]))
return
}
if orig.Entries[1].HostID != 500 || orig.Entries[1].NSID != 500 || orig.Entries[1].MapRange != 10 {
t.Error(fmt.Errorf("bad range: %v", orig.Entries[1]))
return
}
if orig.Entries[2].HostID != 1510 || orig.Entries[2].NSID != 510 || orig.Entries[2].MapRange != 490 {
t.Error(fmt.Errorf("bad range: %v", orig.Entries[2]))
return
}
if len(orig.Entries) != 3 {
t.Error("too many idmap entries")
return
}
}
func TestSetAddSafe_lower(t *testing.T) {
orig := Set{Entries: []Entry{{IsUID: true, HostID: 1000, NSID: 0, MapRange: 1000}}}
err := orig.AddSafe(Entry{IsUID: true, HostID: 500, NSID: 0, MapRange: 10})
if err != nil {
t.Error(err)
return
}
if orig.Entries[0].HostID != 500 || orig.Entries[0].NSID != 0 || orig.Entries[0].MapRange != 10 {
t.Error(fmt.Errorf("bad range: %v", orig.Entries[0]))
return
}
if orig.Entries[1].HostID != 1010 || orig.Entries[1].NSID != 10 || orig.Entries[1].MapRange != 990 {
t.Error(fmt.Errorf("bad range: %v", orig.Entries[1]))
return
}
if len(orig.Entries) != 2 {
t.Error("too many idmap entries")
return
}
}
func TestSetAddSafe_upper(t *testing.T) {
orig := Set{Entries: []Entry{{IsUID: true, HostID: 1000, NSID: 0, MapRange: 1000}}}
err := orig.AddSafe(Entry{IsUID: true, HostID: 500, NSID: 995, MapRange: 10})
if err != nil {
t.Error(err)
return
}
if orig.Entries[0].HostID != 1000 || orig.Entries[0].NSID != 0 || orig.Entries[0].MapRange != 995 {
t.Error(fmt.Errorf("bad range: %v", orig.Entries[0]))
return
}
if orig.Entries[1].HostID != 500 || orig.Entries[1].NSID != 995 || orig.Entries[1].MapRange != 10 {
t.Error(fmt.Errorf("bad range: %v", orig.Entries[1]))
return
}
if len(orig.Entries) != 2 {
t.Error("too many idmap entries")
return
}
}
func TestSetIntersects(t *testing.T) {
orig := Set{Entries: []Entry{{IsUID: true, HostID: 165536, NSID: 0, MapRange: 65536}}}
if !orig.Intersects(Entry{IsUID: true, HostID: 231071, NSID: 0, MapRange: 65536}) {
t.Error("ranges don't intersect")
return
}
if !orig.Intersects(Entry{IsUID: true, HostID: 231072, NSID: 0, MapRange: 65536}) {
t.Error("ranges don't intersect")
return
}
if !orig.Intersects(Entry{IsUID: true, HostID: 231072, NSID: 65535, MapRange: 65536}) {
t.Error("ranges don't intersect")
return
}
if orig.Intersects(Entry{IsUID: true, HostID: 231072, NSID: 65536, MapRange: 65536}) {
t.Error("ranges intersect")
return
}
}
func TestIdmapHostIDMapRange(t *testing.T) {
// Check empty entry is not covered.
idmap := Entry{}
assert.Equal(t, false, idmap.HostIDsCoveredBy(nil, nil))
// Check nil allowed lists are not covered.
idmap = Entry{IsUID: true, HostID: 1000, MapRange: 1}
assert.Equal(t, false, idmap.HostIDsCoveredBy(nil, nil))
// Check that UID/GID specific host IDs are covered by equivalent UID/GID specific host ID rule.
uidOnlyEntry := Entry{IsUID: true, HostID: 1000, MapRange: 1}
gidOnlyEntry := Entry{IsGID: true, HostID: 1000, MapRange: 1}
allowedUIDMaps := []Entry{
{IsUID: true, HostID: 1000, MapRange: 1},
}
allowedGIDMaps := []Entry{
{IsGID: true, HostID: 1000, MapRange: 1},
}
assert.Equal(t, true, uidOnlyEntry.HostIDsCoveredBy(allowedUIDMaps, nil))
assert.Equal(t, false, uidOnlyEntry.HostIDsCoveredBy(nil, allowedUIDMaps))
assert.Equal(t, true, uidOnlyEntry.HostIDsCoveredBy(allowedUIDMaps, allowedUIDMaps))
assert.Equal(t, false, uidOnlyEntry.HostIDsCoveredBy(allowedGIDMaps, nil))
assert.Equal(t, false, uidOnlyEntry.HostIDsCoveredBy(nil, allowedGIDMaps))
assert.Equal(t, false, uidOnlyEntry.HostIDsCoveredBy(allowedGIDMaps, allowedGIDMaps))
assert.Equal(t, false, gidOnlyEntry.HostIDsCoveredBy(allowedGIDMaps, nil))
assert.Equal(t, true, gidOnlyEntry.HostIDsCoveredBy(nil, allowedGIDMaps))
assert.Equal(t, true, gidOnlyEntry.HostIDsCoveredBy(allowedGIDMaps, allowedGIDMaps))
assert.Equal(t, false, gidOnlyEntry.HostIDsCoveredBy(allowedUIDMaps, nil))
assert.Equal(t, false, gidOnlyEntry.HostIDsCoveredBy(nil, allowedUIDMaps))
assert.Equal(t, false, gidOnlyEntry.HostIDsCoveredBy(allowedUIDMaps, allowedUIDMaps))
// Check ranges are correctly blocked when not covered by single ID allow list.
uidOnlyRangeEntry := Entry{IsUID: true, HostID: 1000, MapRange: 2}
gidOnlyRangeEntry := Entry{IsGID: true, HostID: 1000, MapRange: 2}
assert.Equal(t, false, uidOnlyRangeEntry.HostIDsCoveredBy(allowedUIDMaps, nil))
assert.Equal(t, false, uidOnlyRangeEntry.HostIDsCoveredBy(nil, allowedUIDMaps))
assert.Equal(t, false, uidOnlyRangeEntry.HostIDsCoveredBy(allowedUIDMaps, allowedUIDMaps))
assert.Equal(t, false, gidOnlyRangeEntry.HostIDsCoveredBy(allowedGIDMaps, nil))
assert.Equal(t, false, gidOnlyRangeEntry.HostIDsCoveredBy(nil, allowedGIDMaps))
assert.Equal(t, false, gidOnlyRangeEntry.HostIDsCoveredBy(allowedGIDMaps, allowedGIDMaps))
// Check ranges are allowed when fully covered.
allowedUIDMaps = []Entry{
{IsUID: true, HostID: 1000, MapRange: 2},
}
allowedGIDMaps = []Entry{
{IsGID: true, HostID: 1000, MapRange: 2},
}
assert.Equal(t, true, uidOnlyRangeEntry.HostIDsCoveredBy(allowedUIDMaps, nil))
assert.Equal(t, false, uidOnlyRangeEntry.HostIDsCoveredBy(nil, allowedUIDMaps))
assert.Equal(t, true, uidOnlyRangeEntry.HostIDsCoveredBy(allowedUIDMaps, allowedUIDMaps))
assert.Equal(t, false, gidOnlyRangeEntry.HostIDsCoveredBy(allowedGIDMaps, nil))
assert.Equal(t, true, gidOnlyRangeEntry.HostIDsCoveredBy(nil, allowedGIDMaps))
assert.Equal(t, true, gidOnlyRangeEntry.HostIDsCoveredBy(allowedGIDMaps, allowedGIDMaps))
// Check ranges for combined allowed ID maps are correctly validated.
allowedCombinedMaps := []Entry{
{IsUID: true, IsGID: true, HostID: 1000, MapRange: 2},
}
assert.Equal(t, true, uidOnlyRangeEntry.HostIDsCoveredBy(allowedCombinedMaps, nil))
assert.Equal(t, false, uidOnlyRangeEntry.HostIDsCoveredBy(nil, allowedCombinedMaps))
assert.Equal(t, true, uidOnlyRangeEntry.HostIDsCoveredBy(allowedCombinedMaps, allowedCombinedMaps))
assert.Equal(t, false, gidOnlyRangeEntry.HostIDsCoveredBy(allowedCombinedMaps, nil))
assert.Equal(t, true, gidOnlyRangeEntry.HostIDsCoveredBy(nil, allowedCombinedMaps))
assert.Equal(t, true, gidOnlyRangeEntry.HostIDsCoveredBy(allowedCombinedMaps, allowedCombinedMaps))
combinedEntry := Entry{IsUID: true, IsGID: true, HostID: 1000, MapRange: 1}
assert.Equal(t, false, combinedEntry.HostIDsCoveredBy(allowedCombinedMaps, nil))
assert.Equal(t, false, combinedEntry.HostIDsCoveredBy(nil, allowedCombinedMaps))
assert.Equal(t, true, combinedEntry.HostIDsCoveredBy(allowedCombinedMaps, allowedCombinedMaps))
assert.Equal(t, false, combinedEntry.HostIDsCoveredBy(allowedCombinedMaps, nil))
assert.Equal(t, false, combinedEntry.HostIDsCoveredBy(nil, allowedCombinedMaps))
assert.Equal(t, true, combinedEntry.HostIDsCoveredBy(allowedCombinedMaps, allowedCombinedMaps))
}
|
