// Copyright 2017 Google, Inc. All rights reserved. // // Use of this source code is governed by a BSD-style license // that can be found in the LICENSE file in the root of the source // tree. package layers import ( "testing" "github.com/google/gopacket" ) // First packet is a REGISTER Request // // REGISTER sip:sip.provider.com SIP/2.0 // Via:SIP/2.0/UDP 172.16.254.66:5060;branch=z9hG4bK3e5380d454981e88702eb2269669462;rport // From:"Bob" ;tag=3718850509 // To:"Alice" // Call-ID:306366781@172_16_254_66 // CSeq:3 REGISTER // Max-Forwards:70 // Allow:INVITE,ACK,CANCEL,BYE,OPTIONS,INFO,SUBSCRIBE,NOTIFY,REFER,UPDATE // Contact: // Expires:1800 // User-Agent:C530 IP/42.245.00.000.000 // Content-Length:0 // var testPacketSIPRequest = []byte{ 0x00, 0x07, 0x7d, 0x41, 0x2e, 0x40, 0x00, 0xd0, 0x03, 0x75, 0xe0, 0x00, 0x08, 0x00, 0x45, 0x00, 0x01, 0xf4, 0x73, 0x74, 0x00, 0x00, 0x75, 0x11, 0xca, 0x7f, 0x01, 0x01, 0x01, 0x01, 0x02, 0x02, 0x02, 0x02, 0x13, 0xc4, 0x13, 0xc4, 0x01, 0xe0, 0x86, 0xa0, 0x52, 0x45, 0x47, 0x49, 0x53, 0x54, 0x45, 0x52, 0x20, 0x73, 0x69, 0x70, 0x3a, 0x73, 0x69, 0x70, 0x2e, 0x70, 0x72, 0x6f, 0x76, 0x69, 0x64, 0x65, 0x72, 0x2e, 0x63, 0x6f, 0x6d, 0x20, 0x53, 0x49, 0x50, 0x2f, 0x32, 0x2e, 0x30, 0x0d, 0x0a, 0x56, 0x69, 0x61, 0x3a, 0x53, 0x49, 0x50, 0x2f, 0x32, 0x2e, 0x30, 0x2f, 0x55, 0x44, 0x50, 0x20, 0x31, 0x37, 0x32, 0x2e, 0x31, 0x36, 0x2e, 0x32, 0x35, 0x34, 0x2e, 0x36, 0x36, 0x3a, 0x35, 0x30, 0x36, 0x30, 0x3b, 0x62, 0x72, 0x61, 0x6e, 0x63, 0x68, 0x3d, 0x7a, 0x39, 0x68, 0x47, 0x34, 0x62, 0x4b, 0x33, 0x65, 0x35, 0x33, 0x38, 0x30, 0x64, 0x34, 0x35, 0x34, 0x39, 0x38, 0x31, 0x65, 0x38, 0x38, 0x37, 0x30, 0x32, 0x65, 0x62, 0x32, 0x32, 0x36, 0x39, 0x36, 0x36, 0x39, 0x34, 0x36, 0x32, 0x3b, 0x72, 0x70, 0x6f, 0x72, 0x74, 0x0d, 0x0a, 0x46, 0x72, 0x6f, 0x6d, 0x3a, 0x22, 0x42, 0x6f, 0x62, 0x22, 0x20, 0x3c, 0x73, 0x69, 0x70, 0x3a, 0x62, 0x6f, 0x62, 0x40, 0x73, 0x69, 0x70, 0x2e, 0x70, 0x72, 0x6f, 0x76, 0x69, 0x64, 0x65, 0x72, 0x2e, 0x63, 0x6f, 0x6d, 0x3e, 0x3b, 0x74, 0x61, 0x67, 0x3d, 0x33, 0x37, 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;tag=3718850509 // To:"Alice" ;tag=02-32748-1417c4ac-24835dbf3 // Call-ID:306366781@172_16_254_66 // CSeq:3 REGISTER // Contact: ;expires=1800 // P-Associated-URI: // Content-Length:0 // var testPacketSIPResponse = []byte{ 0x00, 0xd0, 0x00, 0x4a, 0x2c, 0x00, 0x00, 0x07, 0x7d, 0x41, 0x2e, 0x40, 0x08, 0x00, 0x45, 0x00, 0x01, 0xc1, 0x00, 0x00, 0x40, 0x00, 0x3f, 0x11, 0x34, 0x27, 0x02, 0x02, 0x02, 0x02, 0x01, 0x01, 0x01, 0x01, 0x13, 0xc4, 0x13, 0xc4, 0x01, 0xad, 0x60, 0x36, 0x53, 0x49, 0x50, 0x2f, 0x32, 0x2e, 0x30, 0x20, 0x32, 0x30, 0x30, 0x20, 0x4f, 0x4b, 0x0d, 0x0a, 0x56, 0x69, 0x61, 0x3a, 0x53, 0x49, 0x50, 0x2f, 0x32, 0x2e, 0x30, 0x2f, 0x55, 0x44, 0x50, 0x20, 0x31, 0x37, 0x32, 0x2e, 0x31, 0x36, 0x2e, 0x32, 0x35, 0x34, 0x2e, 0x36, 0x36, 0x3a, 0x35, 0x30, 0x36, 0x30, 0x3b, 0x72, 0x65, 0x63, 0x65, 0x69, 0x76, 0x65, 0x64, 0x3d, 0x38, 0x2e, 0x38, 0x2e, 0x38, 0x2e, 0x38, 0x3b, 0x72, 0x70, 0x6f, 0x72, 0x74, 0x3d, 0x35, 0x30, 0x36, 0x30, 0x3b, 0x62, 0x72, 0x61, 0x6e, 0x63, 0x68, 0x3d, 0x7a, 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0x0d, 0x0a, } func TestSIPMain(t *testing.T) { expectedHeaders := map[string]string{"Call-ID": "306366781@172_16_254_66", "Contact": ""} _TestPacketSIP(t, testPacketSIPRequest, SIPMethodRegister, false, 3, expectedHeaders, "sip:sip.provider.com") expectedHeaders = map[string]string{"Call-ID": "306366781@172_16_254_66", "Contact": ";expires=1800"} _TestPacketSIP(t, testPacketSIPResponse, SIPMethodRegister, true, 3, expectedHeaders, "") } func _TestPacketSIP(t *testing.T, packetData []byte, methodWanted SIPMethod, isResponse bool, wantedCseq int64, expectedHeaders map[string]string, expectedRequestURI string) { p := gopacket.NewPacket(packetData, LinkTypeEthernet, gopacket.Default) if p.ErrorLayer() != nil { t.Error("Failed to decode packet:", p.ErrorLayer().Error()) } if got, ok := p.Layer(LayerTypeSIP).(*SIP); ok { // Check method if got.Method != methodWanted { t.Errorf("SIP Packet should be a %s method, got : %s", methodWanted, got.Method) } // Check if it's right packet type if got.IsResponse != isResponse { t.Errorf("SIP packet type is not the same as expected") } // Check the RequestURI if it's a request if !isResponse { if got.RequestURI != expectedRequestURI { t.Errorf("SIP packet type is not the same as expected") } } // Check headers for headerName, headerValue := range expectedHeaders { if got.GetFirstHeader(headerName) != headerValue { t.Errorf("Header %s shoud be %s, got : %s", headerName, headerValue, got.GetFirstHeader(headerName)) } } // Check CSeq if got.GetCSeq() != wantedCseq { t.Errorf("SIP Packet should be %d. Got : %d", wantedCseq, got.GetCSeq()) } } }