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-rw-r--r--internal/pkg/zebra/zapi_test.go531
1 files changed, 531 insertions, 0 deletions
diff --git a/internal/pkg/zebra/zapi_test.go b/internal/pkg/zebra/zapi_test.go
new file mode 100644
index 00000000..9fda5416
--- /dev/null
+++ b/internal/pkg/zebra/zapi_test.go
@@ -0,0 +1,531 @@
+// Copyright (C) 2014, 2015 Nippon Telegraph and Telephone Corporation.
+//
+// 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 zebra
+
+import (
+ "encoding/binary"
+ "net"
+ "syscall"
+ "testing"
+
+ "github.com/stretchr/testify/require"
+
+ "github.com/stretchr/testify/assert"
+)
+
+func Test_Header(t *testing.T) {
+ assert := assert.New(t)
+
+ //DecodeFromBytes
+ buf := make([]byte, 6)
+ binary.BigEndian.PutUint16(buf[0:], 10)
+ buf[2] = HEADER_MARKER
+ buf[3] = 2
+ binary.BigEndian.PutUint16(buf[4:], uint16(IPV4_ROUTE_ADD))
+ h := &Header{}
+ err := h.DecodeFromBytes(buf)
+ assert.Equal(nil, err)
+
+ //Serialize
+ buf, err = h.Serialize()
+ assert.Equal(nil, err)
+ h2 := &Header{}
+ err = h2.DecodeFromBytes(buf)
+ assert.Equal(nil, err)
+ assert.Equal(h, h2)
+
+ // header_size mismatch
+ buf = make([]byte, HeaderSize(2)-1)
+ binary.BigEndian.PutUint16(buf[0:], 10)
+ buf[2] = 0xff
+ buf[3] = 0x02
+ h3 := &Header{}
+ err = h3.DecodeFromBytes(buf)
+ assert.NotEqual(nil, err)
+}
+
+func Test_InterfaceUpdateBody(t *testing.T) {
+ assert := assert.New(t)
+
+ //DecodeFromBytes
+ buf := make([]byte, INTERFACE_NAMSIZ+49)
+ pos := INTERFACE_NAMSIZ
+ binary.BigEndian.PutUint32(buf[pos:], 1)
+ pos += 4
+ buf[pos] = byte(INTERFACE_ACTIVE)
+ pos += 1
+ binary.BigEndian.PutUint64(buf[pos:], 1)
+ pos += 8 // flags
+ binary.BigEndian.PutUint32(buf[pos:], 1)
+ pos += 4 // metric
+ binary.BigEndian.PutUint32(buf[pos:], 1500)
+ pos += 4 // MTU
+ binary.BigEndian.PutUint32(buf[pos:], 1500)
+ pos += 4 // MTU6
+ binary.BigEndian.PutUint32(buf[pos:], 200)
+ pos += 4 // bandwidth
+ binary.BigEndian.PutUint32(buf[pos:], 6)
+ pos += 4 // hwaddr_len
+ mac, _ := net.ParseMAC("01:23:45:67:89:ab")
+ copy(buf[pos:pos+6], []byte(mac))
+ pos += 4
+ b := &InterfaceUpdateBody{}
+ err := b.DecodeFromBytes(buf, 2)
+ assert.Equal(nil, err)
+ assert.Equal("01:23:45:67:89:ab", b.HardwareAddr.String())
+
+ buf = make([]byte, INTERFACE_NAMSIZ+28)
+ b = &InterfaceUpdateBody{}
+ err = b.DecodeFromBytes(buf, 2)
+ assert.NotEqual(nil, err)
+}
+
+func Test_InterfaceAddressUpdateBody(t *testing.T) {
+ assert := assert.New(t)
+
+ //DecodeFromBytes
+ buf := make([]byte, 15)
+ pos := 0
+ binary.BigEndian.PutUint32(buf[pos:], 0) // index
+ pos += 4
+ buf[pos] = 0x01 // flags
+ pos += 1
+ buf[pos] = 0x2 // family
+ pos += 1
+ ip := net.ParseIP("192.168.100.1").To4() // prefix
+ copy(buf[pos:pos+4], []byte(ip))
+ pos += 4
+ buf[pos] = byte(24) // prefix len
+ pos += 1
+ dst := net.ParseIP("192.168.100.255").To4() // destination
+ copy(buf[pos:pos+4], []byte(dst))
+
+ b := &InterfaceAddressUpdateBody{}
+ err := b.DecodeFromBytes(buf, 2)
+ require.NoError(t, err)
+
+ assert.Equal(uint32(0), b.Index)
+ assert.Equal(INTERFACE_ADDRESS_FLAG(1), b.Flags)
+ assert.Equal("192.168.100.1", b.Prefix.String())
+ assert.Equal(uint8(24), b.Length)
+ assert.Equal("192.168.100.255", b.Destination.String())
+
+ // af invalid
+ buf[5] = 0x4
+ pos += 1
+ b = &InterfaceAddressUpdateBody{}
+ err = b.DecodeFromBytes(buf, 2)
+ assert.NotEqual(nil, err)
+}
+
+func Test_RouterIDUpdateBody(t *testing.T) {
+ assert := assert.New(t)
+
+ //DecodeFromBytes
+ buf := make([]byte, 6)
+ pos := 0
+ buf[pos] = 0x2
+ pos += 1
+ ip := net.ParseIP("192.168.100.1").To4()
+ copy(buf[pos:pos+4], []byte(ip))
+ pos += 4
+ buf[pos] = byte(32)
+
+ b := &RouterIDUpdateBody{}
+ err := b.DecodeFromBytes(buf, 2)
+ assert.Equal(nil, err)
+ assert.Equal("192.168.100.1", b.Prefix.String())
+ assert.Equal(uint8(32), b.Length)
+
+ // af invalid
+ buf[0] = 0x4
+ pos += 1
+ b = &RouterIDUpdateBody{}
+ err = b.DecodeFromBytes(buf, 2)
+ assert.NotEqual(nil, err)
+}
+
+func Test_IPRouteBody_IPv4(t *testing.T) {
+ assert := assert.New(t)
+
+ //DecodeFromBytes IPV4_ROUTE
+ buf := make([]byte, 26)
+ buf[0] = byte(ROUTE_CONNECT)
+ buf[1] = byte(FLAG_SELECTED)
+ buf[2] = byte(MESSAGE_NEXTHOP | MESSAGE_DISTANCE | MESSAGE_METRIC | MESSAGE_MTU)
+ buf[3] = 24
+ ip := net.ParseIP("192.168.100.0").To4()
+ copy(buf[4:7], []byte(ip))
+
+ buf[7] = 1
+ nexthop := net.ParseIP("0.0.0.0").To4()
+ copy(buf[8:12], []byte(nexthop))
+
+ buf[12] = 1
+ binary.BigEndian.PutUint32(buf[13:], 1)
+ buf[17] = 0 // distance
+ binary.BigEndian.PutUint32(buf[18:], 1)
+ binary.BigEndian.PutUint32(buf[22:], 1)
+ r := &IPRouteBody{Api: IPV4_ROUTE_ADD}
+ err := r.DecodeFromBytes(buf, 2)
+
+ assert.Equal(nil, err)
+ assert.Equal("192.168.100.0", r.Prefix.String())
+ assert.Equal(uint8(0x18), r.PrefixLength)
+ assert.Equal(MESSAGE_NEXTHOP|MESSAGE_DISTANCE|MESSAGE_METRIC|MESSAGE_MTU, r.Message)
+ assert.Equal("0.0.0.0", r.Nexthops[0].String())
+ assert.Equal(uint32(1), r.Ifindexs[0])
+ assert.Equal(uint8(0), r.Distance)
+ assert.Equal(uint32(1), r.Metric)
+ assert.Equal(uint32(1), r.Mtu)
+
+ //Serialize
+ buf, err = r.Serialize(2)
+ assert.Equal(nil, err)
+ assert.Equal([]byte{0x2, 0x10, 0x1d}, buf[0:3])
+ assert.Equal([]byte{0x0, 0x1}, buf[3:5])
+ assert.Equal(byte(24), buf[5])
+ ip = net.ParseIP("192.168.100.0").To4()
+ assert.Equal([]byte(ip)[0:3], buf[6:9])
+ assert.Equal(byte(NEXTHOP_IPV4), buf[10])
+ assert.Equal(byte(NEXTHOP_IFINDEX), buf[15])
+ assert.Equal(byte(0x0), buf[20])
+
+ bi := make([]byte, 4)
+ binary.BigEndian.PutUint32(bi, 1)
+ assert.Equal(bi, buf[21:25])
+ assert.Equal(bi, buf[25:])
+
+ // length invalid
+ buf = make([]byte, 18)
+ buf[0] = byte(ROUTE_CONNECT)
+ buf[1] = byte(FLAG_SELECTED)
+ buf[2] = byte(MESSAGE_NEXTHOP | MESSAGE_DISTANCE | MESSAGE_METRIC)
+ buf[3] = 24
+ ip = net.ParseIP("192.168.100.0").To4()
+ copy(buf[4:7], []byte(ip))
+ buf[7] = 1
+ nexthop = net.ParseIP("0.0.0.0").To4()
+ copy(buf[8:12], []byte(nexthop))
+ buf[12] = 1
+ binary.BigEndian.PutUint32(buf[13:], 1)
+
+ r = &IPRouteBody{Api: IPV4_ROUTE_ADD}
+ err = r.DecodeFromBytes(buf, 2)
+ assert.Equal("message length invalid", err.Error())
+
+ // no nexthop
+ buf = make([]byte, 12)
+ buf[0] = byte(ROUTE_CONNECT)
+ buf[1] = byte(FLAG_SELECTED)
+ buf[2] = byte(MESSAGE_DISTANCE | MESSAGE_METRIC)
+ buf[3] = 24
+ ip = net.ParseIP("192.168.100.0").To4()
+ copy(buf[4:7], []byte(ip))
+ buf[7] = 1
+ binary.BigEndian.PutUint32(buf[8:], 0)
+ r = &IPRouteBody{Api: IPV4_ROUTE_ADD}
+ err = r.DecodeFromBytes(buf, 2)
+ assert.Equal(nil, err)
+
+}
+
+func Test_IPRouteBody_IPv6(t *testing.T) {
+ assert := assert.New(t)
+
+ //DecodeFromBytes IPV6_ROUTE
+ buf := make([]byte, 43)
+ buf[0] = byte(ROUTE_CONNECT)
+ buf[1] = byte(FLAG_SELECTED)
+ buf[2] = byte(MESSAGE_NEXTHOP | MESSAGE_DISTANCE | MESSAGE_METRIC | MESSAGE_MTU)
+ buf[3] = 64
+ ip := net.ParseIP("2001:db8:0:f101::").To16()
+ copy(buf[4:12], []byte(ip))
+
+ buf[12] = 1
+ nexthop := net.ParseIP("::").To16()
+ copy(buf[13:29], []byte(nexthop))
+ // ifindex
+ buf[29] = 1
+ binary.BigEndian.PutUint32(buf[30:], 1)
+
+ buf[34] = 0 // distance
+ binary.BigEndian.PutUint32(buf[35:], 1)
+ binary.BigEndian.PutUint32(buf[39:], 1)
+ r := &IPRouteBody{Api: IPV6_ROUTE_ADD}
+ err := r.DecodeFromBytes(buf, 2)
+
+ assert.Equal(nil, err)
+ assert.Equal("2001:db8:0:f101::", r.Prefix.String())
+ assert.Equal(uint8(64), r.PrefixLength)
+ assert.Equal(MESSAGE_NEXTHOP|MESSAGE_DISTANCE|MESSAGE_METRIC|MESSAGE_MTU, r.Message)
+ assert.Equal("::", r.Nexthops[0].String())
+ assert.Equal(uint32(1), r.Ifindexs[0])
+ assert.Equal(uint8(0), r.Distance)
+ assert.Equal(uint32(1), r.Metric)
+ assert.Equal(uint32(1), r.Mtu)
+
+ //Serialize
+ buf, err = r.Serialize(2)
+ assert.Equal(nil, err)
+ assert.Equal([]byte{0x2, 0x10, 0x1d}, buf[0:3])
+ assert.Equal([]byte{0x0, 0x1}, buf[3:5])
+ assert.Equal(byte(64), buf[5])
+ ip = net.ParseIP("2001:db8:0:f101::").To16()
+ assert.Equal([]byte(ip)[0:8], buf[6:14])
+ assert.Equal(byte(2), buf[14])
+ assert.Equal(byte(NEXTHOP_IPV6), buf[15])
+ ip = net.ParseIP("::").To16()
+ assert.Equal([]byte(ip), buf[16:32])
+ assert.Equal(byte(NEXTHOP_IFINDEX), buf[32])
+ bi := make([]byte, 4)
+ binary.BigEndian.PutUint32(bi, 1)
+ assert.Equal(bi, buf[33:37])
+
+ //distance
+ assert.Equal(byte(0), buf[37])
+ bi = make([]byte, 4)
+ binary.BigEndian.PutUint32(bi, 1)
+ assert.Equal(bi, buf[38:42])
+ assert.Equal(bi, buf[42:])
+
+ // length invalid
+ buf = make([]byte, 50)
+ buf[0] = byte(ROUTE_CONNECT)
+ buf[1] = byte(FLAG_SELECTED)
+ buf[2] = byte(MESSAGE_NEXTHOP | MESSAGE_DISTANCE | MESSAGE_METRIC)
+ buf[3] = 24
+ ip = net.ParseIP("2001:db8:0:f101::").To4()
+ copy(buf[4:12], []byte(ip))
+ buf[13] = 1
+ nexthop = net.ParseIP("::").To16()
+ copy(buf[14:30], []byte(nexthop))
+ buf[31] = 1
+ binary.BigEndian.PutUint32(buf[32:], 1)
+
+ r = &IPRouteBody{Api: IPV6_ROUTE_ADD}
+ err = r.DecodeFromBytes(buf, 2)
+ assert.Equal("message length invalid", err.Error())
+
+ // no nexthop
+ buf = make([]byte, 11)
+ buf[0] = byte(ROUTE_CONNECT)
+ buf[1] = byte(FLAG_SELECTED)
+ buf[2] = byte(MESSAGE_DISTANCE | MESSAGE_METRIC)
+ buf[3] = 16
+ ip = net.ParseIP("2501::").To16()
+ copy(buf[4:6], []byte(ip))
+ buf[6] = 1
+ binary.BigEndian.PutUint32(buf[7:], 0)
+ r = &IPRouteBody{Api: IPV6_ROUTE_ADD}
+ err = r.DecodeFromBytes(buf, 2)
+ assert.Equal(nil, err)
+}
+
+func Test_NexthopLookupBody(t *testing.T) {
+ assert := assert.New(t)
+
+ //ipv4
+ //DecodeFromBytes
+ pos := 0
+ buf := make([]byte, 18)
+ ip := net.ParseIP("192.168.50.0").To4()
+ copy(buf[0:4], []byte(ip))
+ pos += 4
+ binary.BigEndian.PutUint32(buf[pos:], 10)
+ pos += 4
+ buf[pos] = byte(1)
+ pos += 1
+ buf[pos] = byte(4)
+ pos += 1
+ ip = net.ParseIP("172.16.1.101").To4()
+ copy(buf[pos:pos+4], []byte(ip))
+ pos += 4
+ binary.BigEndian.PutUint32(buf[pos:], 3)
+
+ b := &NexthopLookupBody{Api: IPV4_NEXTHOP_LOOKUP}
+ err := b.DecodeFromBytes(buf, 2)
+ assert.Equal(nil, err)
+ assert.Equal("192.168.50.0", b.Addr.String())
+ assert.Equal(uint32(10), b.Metric)
+ assert.Equal(uint32(3), b.Nexthops[0].Ifindex)
+ assert.Equal(NEXTHOP_FLAG(4), b.Nexthops[0].Type)
+ assert.Equal("172.16.1.101", b.Nexthops[0].Addr.String())
+
+ //Serialize
+ buf, err = b.Serialize(2)
+ ip = net.ParseIP("192.168.50.0").To4()
+ assert.Equal(nil, err)
+ assert.Equal([]byte(ip)[0:4], buf[0:4])
+
+ // length invalid
+ buf = make([]byte, 3)
+ b = &NexthopLookupBody{Api: IPV4_NEXTHOP_LOOKUP}
+ err = b.DecodeFromBytes(buf, 2)
+ assert.NotEqual(nil, err)
+
+ //ipv6
+ //DecodeFromBytes
+ pos = 0
+ buf = make([]byte, 46)
+ ip = net.ParseIP("2001:db8:0:f101::").To16()
+ copy(buf[0:16], []byte(ip))
+ pos += 16
+ binary.BigEndian.PutUint32(buf[pos:], 10)
+ pos += 4
+ buf[pos] = byte(1)
+ pos += 1
+ buf[pos] = byte(4)
+ pos += 1
+ ip = net.ParseIP("2001:db8:0:1111::1").To16()
+ copy(buf[pos:pos+16], []byte(ip))
+ pos += 16
+ binary.BigEndian.PutUint32(buf[pos:], 3)
+
+ b = &NexthopLookupBody{Api: IPV6_NEXTHOP_LOOKUP}
+ err = b.DecodeFromBytes(buf, 2)
+ assert.Equal(nil, err)
+ assert.Equal("2001:db8:0:f101::", b.Addr.String())
+ assert.Equal(uint32(10), b.Metric)
+ assert.Equal(uint32(3), b.Nexthops[0].Ifindex)
+ assert.Equal(NEXTHOP_FLAG(4), b.Nexthops[0].Type)
+ assert.Equal("2001:db8:0:1111::1", b.Nexthops[0].Addr.String())
+
+ //Serialize
+ buf, err = b.Serialize(2)
+ ip = net.ParseIP("2001:db8:0:f101::").To16()
+ assert.Equal(nil, err)
+ assert.Equal([]byte(ip)[0:16], buf[0:16])
+
+ // length invalid
+ buf = make([]byte, 15)
+ b = &NexthopLookupBody{Api: IPV6_NEXTHOP_LOOKUP}
+ err = b.DecodeFromBytes(buf, 2)
+ assert.NotEqual(nil, err)
+}
+
+func Test_ImportLookupBody(t *testing.T) {
+ assert := assert.New(t)
+
+ //DecodeFromBytes
+ pos := 0
+ buf := make([]byte, 18)
+ ip := net.ParseIP("192.168.50.0").To4()
+ copy(buf[0:4], []byte(ip))
+ pos += 4
+ binary.BigEndian.PutUint32(buf[pos:], 10)
+ pos += 4
+ buf[pos] = byte(1)
+ pos += 1
+ buf[pos] = byte(4)
+ pos += 1
+ ip = net.ParseIP("172.16.1.101").To4()
+ copy(buf[pos:pos+4], []byte(ip))
+ pos += 4
+ binary.BigEndian.PutUint32(buf[pos:], 3)
+
+ b := &ImportLookupBody{Api: IPV4_IMPORT_LOOKUP}
+ err := b.DecodeFromBytes(buf, 2)
+ assert.Equal(nil, err)
+ assert.Equal("192.168.50.0", b.Addr.String())
+ assert.Equal(uint32(10), b.Metric)
+ assert.Equal(uint32(3), b.Nexthops[0].Ifindex)
+ assert.Equal(NEXTHOP_FLAG(4), b.Nexthops[0].Type)
+ assert.Equal("172.16.1.101", b.Nexthops[0].Addr.String())
+
+ //Serialize
+ b.PrefixLength = uint8(24)
+ buf, err = b.Serialize(2)
+ ip = net.ParseIP("192.168.50.0").To4()
+ assert.Equal(nil, err)
+ assert.Equal(uint8(24), buf[0])
+ assert.Equal([]byte(ip)[0:4], buf[1:5])
+
+ // length invalid
+ buf = make([]byte, 3)
+ b = &ImportLookupBody{Api: IPV4_IMPORT_LOOKUP}
+ err = b.DecodeFromBytes(buf, 2)
+ assert.NotEqual(nil, err)
+}
+
+func Test_NexthopRegisterBody(t *testing.T) {
+ assert := assert.New(t)
+
+ // Input binary
+ bufIn := []byte{
+ 0x01, 0x00, 0x02, 0x20, // connected(1 byte)=1, afi(2 bytes)=AF_INET, prefix_len(1 byte)=32
+ 0xc0, 0xa8, 0x01, 0x01, // prefix(4 bytes)="192.168.1.1"
+ 0x00, 0x00, 0x0a, 0x80, // connected(1 byte)=0, afi(2 bytes)=AF_INET6, prefix_len(1 byte)=128
+ 0x20, 0x01, 0x0d, 0xb8, // prefix(16 bytes)="2001:db8:1:1::1"
+ 0x00, 0x01, 0x00, 0x01,
+ 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x01,
+ }
+ binary.BigEndian.PutUint16(bufIn[1:], syscall.AF_INET)
+ binary.BigEndian.PutUint16(bufIn[9:], syscall.AF_INET6)
+
+ // Test DecodeFromBytes()
+ b := &NexthopRegisterBody{Api: NEXTHOP_REGISTER}
+ err := b.DecodeFromBytes(bufIn, 3)
+ assert.Nil(err)
+
+ // Test decoded values
+ assert.Equal(uint8(1), b.Nexthops[0].Connected)
+ assert.Equal(uint16(syscall.AF_INET), b.Nexthops[0].Family)
+ assert.Equal(net.ParseIP("192.168.1.1").To4(), b.Nexthops[0].Prefix)
+ assert.Equal(uint8(0), b.Nexthops[1].Connected)
+ assert.Equal(uint16(syscall.AF_INET6), b.Nexthops[1].Family)
+ assert.Equal(net.ParseIP("2001:db8:1:1::1").To16(), b.Nexthops[1].Prefix)
+
+ // Test Serialize()
+ bufOut, err := b.Serialize(3)
+ assert.Nil(err)
+
+ // Test serialised value
+ assert.Equal(bufIn, bufOut)
+}
+
+func Test_NexthopUpdateBody(t *testing.T) {
+ assert := assert.New(t)
+
+ // Input binary
+ bufIn := []byte{
+ 0x00, 0x02, 0x20, // afi(2 bytes)=AF_INET, prefix_len(1 byte)=32
+ 0xc0, 0xa8, 0x01, 0x01, // prefix(4 bytes)="192.168.1.1"
+ 0x00, 0x00, 0x00, 0x01, // metric(4 bytes)=1
+ 0x01, // nexthops(1 byte)=1
+ 0x04, // nexthop_type(1 byte)=NEXTHOP_IPV4_IFINDEX
+ 0xc0, 0xa8, 0x01, 0x01, // nexthop_ip(4 bytes)="192.168.0.1"
+ 0x00, 0x00, 0x00, 0x02, // nexthop_ifindex(4 byte)=2
+ }
+
+ // Test DecodeFromBytes()
+ b := &NexthopUpdateBody{Api: NEXTHOP_UPDATE}
+ err := b.DecodeFromBytes(bufIn, 2)
+ assert.Nil(err)
+
+ // Test decoded values
+ assert.Equal(uint16(syscall.AF_INET), b.Family)
+ assert.Equal(net.ParseIP("192.168.1.1").To4(), b.Prefix)
+ assert.Equal(uint32(1), b.Metric)
+ nexthop := &Nexthop{
+ Type: NEXTHOP_FLAG(NEXTHOP_IPV4_IFINDEX),
+ Addr: net.ParseIP("192.168.1.1").To4(),
+ Ifindex: uint32(2),
+ }
+ assert.Equal(1, len(b.Nexthops))
+ assert.Equal(nexthop, b.Nexthops[0])
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-15 02:05:57 +0000