fix(machine): allow to use * in ACL sources

This commit is contained in:
Adrien Raffin-Caboisse 2022-03-01 22:43:25 +01:00
parent dec4ee5f73
commit 361b4f7f4f
No known key found for this signature in database
GPG key ID: 7FB60532DEBEAD6A
2 changed files with 223 additions and 2 deletions

View file

@ -173,6 +173,12 @@ func getFilteredByACLPeers(
machine.IPAddresses.ToStringSlice(),
peer.IPAddresses.ToStringSlice(),
) || // match source and destination
matchSourceAndDestinationWithRule(
rule.SrcIPs,
dst,
peer.IPAddresses.ToStringSlice(),
machine.IPAddresses.ToStringSlice(),
) || // match return path
matchSourceAndDestinationWithRule(
rule.SrcIPs,
dst,
@ -182,9 +188,21 @@ func getFilteredByACLPeers(
matchSourceAndDestinationWithRule(
rule.SrcIPs,
dst,
[]string{"*"},
[]string{"*"},
) || // match source and all destination
matchSourceAndDestinationWithRule(
rule.SrcIPs,
dst,
[]string{"*"},
peer.IPAddresses.ToStringSlice(),
) || // match source and all destination
matchSourceAndDestinationWithRule(
rule.SrcIPs,
dst,
[]string{"*"},
machine.IPAddresses.ToStringSlice(),
) { // match return path
) { // match all sources and source
peers[peer.ID] = peer
}
}

View file

@ -296,6 +296,7 @@ func (s *Suite) TestSerdeAddressStrignSlice(c *check.C) {
}
}
// nolint
func Test_getFilteredByACLPeers(t *testing.T) {
type args struct {
machines []Machine
@ -443,7 +444,7 @@ func Test_getFilteredByACLPeers(t *testing.T) {
},
},
machine: &Machine{ // current machine
ID: 1,
ID: 2,
IPAddresses: MachineAddresses{netaddr.MustParseIP("100.64.0.2")},
Namespace: Namespace{Name: "marc"},
},
@ -456,6 +457,208 @@ func Test_getFilteredByACLPeers(t *testing.T) {
},
},
},
{
name: "rules allows all hosts to reach one destination",
args: args{
machines: []Machine{ // list of all machines in the database
{
ID: 1,
IPAddresses: MachineAddresses{
netaddr.MustParseIP("100.64.0.1"),
},
Namespace: Namespace{Name: "joe"},
},
{
ID: 2,
IPAddresses: MachineAddresses{
netaddr.MustParseIP("100.64.0.2"),
},
Namespace: Namespace{Name: "marc"},
},
{
ID: 3,
IPAddresses: MachineAddresses{
netaddr.MustParseIP("100.64.0.3"),
},
Namespace: Namespace{Name: "mickael"},
},
},
rules: []tailcfg.FilterRule{ // list of all ACLRules registered
{
SrcIPs: []string{"*"},
DstPorts: []tailcfg.NetPortRange{
{IP: "100.64.0.2"},
},
},
},
machine: &Machine{ // current machine
ID: 1,
IPAddresses: MachineAddresses{
netaddr.MustParseIP("100.64.0.1"),
},
Namespace: Namespace{Name: "joe"},
},
},
want: Machines{
{
ID: 2,
IPAddresses: MachineAddresses{
netaddr.MustParseIP("100.64.0.2"),
},
Namespace: Namespace{Name: "marc"},
},
},
},
{
name: "rules allows all hosts to reach one destination, destination can reach all hosts",
args: args{
machines: []Machine{ // list of all machines in the database
{
ID: 1,
IPAddresses: MachineAddresses{
netaddr.MustParseIP("100.64.0.1"),
},
Namespace: Namespace{Name: "joe"},
},
{
ID: 2,
IPAddresses: MachineAddresses{
netaddr.MustParseIP("100.64.0.2"),
},
Namespace: Namespace{Name: "marc"},
},
{
ID: 3,
IPAddresses: MachineAddresses{
netaddr.MustParseIP("100.64.0.3"),
},
Namespace: Namespace{Name: "mickael"},
},
},
rules: []tailcfg.FilterRule{ // list of all ACLRules registered
{
SrcIPs: []string{"*"},
DstPorts: []tailcfg.NetPortRange{
{IP: "100.64.0.2"},
},
},
},
machine: &Machine{ // current machine
ID: 2,
IPAddresses: MachineAddresses{
netaddr.MustParseIP("100.64.0.2"),
},
Namespace: Namespace{Name: "marc"},
},
},
want: Machines{
{
ID: 1,
IPAddresses: MachineAddresses{
netaddr.MustParseIP("100.64.0.1"),
},
Namespace: Namespace{Name: "joe"},
},
{
ID: 3,
IPAddresses: MachineAddresses{
netaddr.MustParseIP("100.64.0.3"),
},
Namespace: Namespace{Name: "mickael"},
},
},
},
{
name: "rule allows all hosts to reach all destinations",
args: args{
machines: []Machine{ // list of all machines in the database
{
ID: 1,
IPAddresses: MachineAddresses{
netaddr.MustParseIP("100.64.0.1"),
},
Namespace: Namespace{Name: "joe"},
},
{
ID: 2,
IPAddresses: MachineAddresses{
netaddr.MustParseIP("100.64.0.2"),
},
Namespace: Namespace{Name: "marc"},
},
{
ID: 3,
IPAddresses: MachineAddresses{
netaddr.MustParseIP("100.64.0.3"),
},
Namespace: Namespace{Name: "mickael"},
},
},
rules: []tailcfg.FilterRule{ // list of all ACLRules registered
{
SrcIPs: []string{"*"},
DstPorts: []tailcfg.NetPortRange{
{IP: "*"},
},
},
},
machine: &Machine{ // current machine
ID: 2,
IPAddresses: MachineAddresses{netaddr.MustParseIP("100.64.0.2")},
Namespace: Namespace{Name: "marc"},
},
},
want: Machines{
{
ID: 1,
IPAddresses: MachineAddresses{
netaddr.MustParseIP("100.64.0.1"),
},
Namespace: Namespace{Name: "joe"},
},
{
ID: 3,
IPAddresses: MachineAddresses{netaddr.MustParseIP("100.64.0.3")},
Namespace: Namespace{Name: "mickael"},
},
},
},
{
name: "without rule all communications are forbidden",
args: args{
machines: []Machine{ // list of all machines in the database
{
ID: 1,
IPAddresses: MachineAddresses{
netaddr.MustParseIP("100.64.0.1"),
},
Namespace: Namespace{Name: "joe"},
},
{
ID: 2,
IPAddresses: MachineAddresses{
netaddr.MustParseIP("100.64.0.2"),
},
Namespace: Namespace{Name: "marc"},
},
{
ID: 3,
IPAddresses: MachineAddresses{
netaddr.MustParseIP("100.64.0.3"),
},
Namespace: Namespace{Name: "mickael"},
},
},
rules: []tailcfg.FilterRule{ // list of all ACLRules registered
},
machine: &Machine{ // current machine
ID: 2,
IPAddresses: MachineAddresses{netaddr.MustParseIP("100.64.0.2")},
Namespace: Namespace{Name: "marc"},
},
},
want: Machines{},
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {