Adding upstream version 4.2.2.upstream/4.2.2

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 929 insertions, 0 deletions

diff --git a/test/suite_dissection.py b/test/suite_dissection.py
new file mode 100644
index 00000000..ee90c930
--- /dev/null
+++ b/test/suite_dissection.py
@@ -0,0 +1,929 @@
+#
+# Wireshark tests
+# By Gerald Combs <gerald@wireshark.org>
+#
+# Ported from a set of Bash scripts which were copyright 2005 Ulf Lamping
+#
+# SPDX-License-Identifier: GPL-2.0-or-later
+#
+'''Dissection tests'''
+
+import sys
+import os.path
+import subprocess
+from subprocesstest import count_output, grep_output
+import pytest
+
+
+class TestDissectDtnTcpcl:
+    def test_tcpclv3_xfer(self, cmd_tshark, capture_file, test_env):
+        stdout = subprocess.check_output((cmd_tshark,
+                '-r', capture_file('dtn_tcpclv3_bpv6_transfer.pcapng'),
+                '-Tfields', '-etcpcl.ack.length',
+            ), encoding='utf-8', env=test_env)
+        assert count_output(stdout, r'1064') == 2
+
+    def test_tcpclv4_xfer(self, cmd_tshark, capture_file, test_env):
+        stdout = subprocess.check_output((cmd_tshark,
+                '-r', capture_file('dtn_tcpclv4_bpv7_transfer.pcapng'),
+                '-Tfields', '-etcpcl.v4.xfer_ack.ack_len',
+            ), encoding='utf-8', env=test_env)
+        assert count_output(stdout, r'199') == 2
+
+
+class TestDissectBpv7:
+    def test_bpv7_admin_status(self, cmd_tshark, capture_file, test_env):
+        stdout = subprocess.check_output((cmd_tshark,
+                '-r', capture_file('dtn_udpcl_bpv7_bpsec_bib_admin.pcapng'),
+                '-Tfields', '-ebpv7.status_rep.identity',
+            ), encoding='utf-8', env=test_env)
+        assert grep_output(stdout, r'Source: ipn:93.185, DTN Time: 1396536125, Seq: 281')
+
+    def test_bpv7_bpsec_bib(self, cmd_tshark, capture_file, test_env):
+        stdout = subprocess.check_output((cmd_tshark,
+                '-r', capture_file('dtn_udpcl_bpv7_bpsec_bib_admin.pcapng'),
+                '-Tfields', '-ebpsec.asb.ctxid',
+            ), encoding='utf-8', env=test_env)
+        assert count_output(stdout, r'1') == 1
+
+    def test_bpv7_bpsec_bib_admin_type(self, cmd_tshark, capture_file, test_env):
+        # BIB doesn't alter payload
+        stdout = subprocess.check_output((cmd_tshark,
+                '-r', capture_file('dtn_udpcl_bpv7_bpsec_bib_admin.pcapng'),
+                '-Tfields', '-ebpv7.admin_rec.type_code',
+            ), encoding='utf-8', env=test_env)
+        assert count_output(stdout, r'1') == 1
+
+    def test_bpv7_bpsec_bcb(self, cmd_tshark, capture_file, test_env):
+        stdout = subprocess.check_output((cmd_tshark,
+                '-r', capture_file('dtn_udpcl_bpv7_bpsec_bcb_admin.pcapng'),
+                '-Tfields', '-ebpsec.asb.ctxid',
+            ), encoding='utf-8', env=test_env)
+        assert count_output(stdout, r'2') == 1
+
+    def test_bpv7_bpsec_bcb_admin_type(self, cmd_tshark, capture_file, test_env):
+        # BCB inhibits payload dissection
+        stdout = subprocess.check_output((cmd_tshark,
+                '-r', capture_file('dtn_udpcl_bpv7_bpsec_bcb_admin.pcapng'),
+                '-Tfields', '-ebpv7.admin_rec.type_code',
+            ), encoding='utf-8', env=test_env)
+        assert count_output(stdout, r'1') == 0
+
+
+class TestDissectCose:
+    '''
+    These test captures were generated from the COSE example files with command:
+    for FN in test/captures/cose*.cbordiag; do python3 tools/generate_cbor_pcap.py --content-type 'application/cose' --infile $FN --outfile ${FN%.cbordiag}.pcap; done
+    '''
+    def test_cose_sign_tagged(self, cmd_tshark, capture_file, test_env):
+        stdout = subprocess.check_output((cmd_tshark,
+                '-r', capture_file('cose_sign_tagged.pcap'),
+                '-Tfields', '-ecose.msg.signature',
+            ), encoding='utf-8', env=test_env)
+        assert grep_output(stdout, 'e2aeafd40d69d19dfe6e52077c5d7ff4e408282cbefb5d06cbf414af2e19d982ac45ac98b8544c908b4507de1e90b717c3d34816fe926a2b98f53afd2fa0f30a')
+
+    def test_cose_sign1_tagged(self, cmd_tshark, capture_file, test_env):
+        stdout = subprocess.check_output((cmd_tshark,
+                '-r', capture_file('cose_sign1_tagged.pcap'),
+                '-Tfields', '-ecose.msg.signature',
+            ), encoding='utf-8', env=test_env)
+        assert grep_output(stdout, '8eb33e4ca31d1c465ab05aac34cc6b23d58fef5c083106c4d25a91aef0b0117e2af9a291aa32e14ab834dc56ed2a223444547e01f11d3b0916e5a4c345cacb36')
+
+    def test_cose_encrypt_tagged(self, cmd_tshark, capture_file, test_env):
+        stdout = subprocess.check_output((cmd_tshark,
+                '-r', capture_file('cose_encrypt_tagged.pcap'),
+                '-Tfields', '-ecose.kid',
+            ), encoding='utf-8', env=test_env)
+        assert grep_output(stdout, '6f75722d736563726574')
+
+    def test_cose_encrypt0_tagged(self, cmd_tshark, capture_file, test_env):
+        stdout = subprocess.check_output((cmd_tshark,
+                '-r', capture_file('cose_encrypt0_tagged.pcap'),
+                '-Tfields', '-ecose.iv',
+            ), encoding='utf-8', env=test_env)
+        assert grep_output(stdout, '89f52f65a1c580933b5261a78c')
+
+    def test_cose_mac_tagged(self, cmd_tshark, capture_file, test_env):
+        stdout = subprocess.check_output((cmd_tshark,
+                '-r', capture_file('cose_mac_tagged.pcap'),
+                '-Tfields', '-ecose.kid',
+            ), encoding='utf-8', env=test_env)
+        assert grep_output(stdout, '30313863306165352d346439622d343731622d626664362d656566333134626337303337')
+
+    def test_cose_mac0_tagged(self, cmd_tshark, capture_file, test_env):
+        stdout = subprocess.check_output((cmd_tshark,
+                '-r', capture_file('cose_mac0_tagged.pcap'),
+                '-Tfields', '-ecose.msg.mac_tag',
+            ), encoding='utf-8', env=test_env)
+        assert grep_output(stdout, '726043745027214f')
+
+    def test_cose_keyset(self, cmd_tshark, capture_file, test_env):
+        stdout = subprocess.check_output((cmd_tshark,
+                '-r', capture_file('cose_keyset.pcap'),
+                '-Tfields', '-ecose.key.k',
+            ), encoding='utf-8', env=test_env)
+        assert grep_output(stdout, '849b57219dae48de646d07dbb533566e976686457c1491be3a76dcea6c427188')
+
+
+class TestDissectGprpc:
+    def test_grpc_with_json(self, cmd_tshark, features, dirs, capture_file, test_env):
+        '''gRPC with JSON payload'''
+        if not features.have_nghttp2:
+            pytest.skip('Requires nghttp2.')
+        stdout = subprocess.check_output((cmd_tshark,
+                '-r', capture_file('grpc_person_search_json_with_image.pcapng.gz'),
+                '-d', 'tcp.port==50052,http2',
+                '-2',
+                '-Y', 'grpc.message_length == 208 && json.value.string == "87561234"',
+            ), encoding='utf-8', env=test_env)
+        assert grep_output(stdout, 'GRPC/JSON')
+
+    def test_grpc_with_protobuf(self, cmd_tshark, features, dirs, capture_file, test_env):
+        '''gRPC with Protobuf payload'''
+        if not features.have_nghttp2:
+            pytest.skip('Requires nghttp2.')
+        well_know_types_dir = os.path.join(dirs.protobuf_lang_files_dir, 'well_know_types').replace('\\', '/')
+        user_defined_types_dir = os.path.join(dirs.protobuf_lang_files_dir, 'user_defined_types').replace('\\', '/')
+        stdout = subprocess.check_output((cmd_tshark,
+                '-r', capture_file('grpc_person_search_protobuf_with_image.pcapng.gz'),
+                '-o', 'uat:protobuf_search_paths: "{}","{}"'.format(well_know_types_dir, 'FALSE'),
+                '-o', 'uat:protobuf_search_paths: "{}","{}"'.format(user_defined_types_dir, 'TRUE'),
+                '-d', 'tcp.port==50051,http2',
+                '-2',
+                '-Y', 'protobuf.message.name == "tutorial.PersonSearchRequest"'
+                      ' || (grpc.message_length == 66 && protobuf.field.value.string == "Jason"'
+                      '     && protobuf.field.value.int64 == 1602601886)',
+            ), encoding='utf-8', env=test_env)
+        assert grep_output(stdout, 'tutorial.PersonSearchService/Search') # grpc request
+        assert grep_output(stdout, 'tutorial.Person') # grpc response
+
+    def test_grpc_streaming_mode_reassembly(self, cmd_tshark, features, dirs, capture_file, test_env):
+        '''gRPC/HTTP2 streaming mode reassembly'''
+        if not features.have_nghttp2:
+            pytest.skip('Requires nghttp2.')
+        stdout = subprocess.check_output((cmd_tshark,
+                '-r', capture_file('grpc_stream_reassembly_sample.pcapng.gz'),
+                '-d', 'tcp.port==50051,http2',
+                '-d', 'tcp.port==44363,http2',
+                '-2', # make http2.body.reassembled.in available
+                '-Y', # Case1: In frame28, one http DATA contains 4 completed grpc messages (json data seq=1,2,3,4).
+                      '(frame.number == 28 && grpc && json.value.number == "1" && json.value.number == "2"'
+                      ' && json.value.number == "3" && json.value.number == "4" && http2.body.reassembled.in == 45) ||'
+                      # Case2: In frame28, last grpc message (the 5th) only has 4 bytes, which need one more byte
+                      # to be a message head. a completed message is reassembled in frame45. (json data seq=5)
+                      '(frame.number == 45 && grpc && http2.body.fragment == 28 && json.value.number == "5"'
+                      ' && http2.body.reassembled.in == 61) ||'
+                      # Case3: In frame45, one http DATA frame contains two partial fragment, one is part of grpc
+                      # message of previous http DATA (frame28), another is first part of grpc message of next http
+                      # DATA (which will be reassembled in next http DATA frame61). (json data seq=6)
+                      '(frame.number == 61 && grpc && http2.body.fragment == 45 && json.value.number == "6") ||'
+                      # Case4: A big grpc message across frame100, frame113, frame126 and finally reassembled in frame139.
+                      '(frame.number == 100 && grpc && http2.body.reassembled.in == 139) ||'
+                      '(frame.number == 113 && !grpc && http2.body.reassembled.in == 139) ||'
+                      '(frame.number == 126 && !grpc && http2.body.reassembled.in == 139) ||'
+                      '(frame.number == 139 && grpc && json.value.number == "9") ||'
+                      # Case5: An large grpc message of 200004 bytes.
+                      '(frame.number == 164 && grpc && grpc.message_length == 200004)',
+            ), encoding='utf-8', env=test_env)
+        assert count_output(stdout, 'DATA') == 8
+
+    def test_grpc_http2_fake_headers(self, cmd_tshark, features, dirs, capture_file, test_env):
+        '''HTTP2/gRPC fake headers (used when HTTP2 initial HEADERS frame is missing)'''
+        if not features.have_nghttp2:
+            pytest.skip('Requires nghttp2.')
+        well_know_types_dir = os.path.join(dirs.protobuf_lang_files_dir, 'well_know_types').replace('\\', '/')
+        user_defined_types_dir = os.path.join(dirs.protobuf_lang_files_dir, 'user_defined_types').replace('\\', '/')
+        stdout = subprocess.check_output((cmd_tshark,
+                '-r', capture_file('grpc_person_search_protobuf_with_image-missing_headers.pcapng.gz'),
+                '-o', 'uat:protobuf_search_paths: "{}","{}"'.format(well_know_types_dir, 'FALSE'),
+                '-o', 'uat:protobuf_search_paths: "{}","{}"'.format(user_defined_types_dir, 'TRUE'),
+                '-o', 'uat:http2_fake_headers: "{}","{}","{}","{}","{}","{}"'.format(
+                            '50051','3','IN',':path','/tutorial.PersonSearchService/Search','TRUE'),
+                '-o', 'uat:http2_fake_headers: "{}","{}","{}","{}","{}","{}"'.format(
+                            '50051','0','IN','content-type','application/grpc','TRUE'),
+                '-o', 'uat:http2_fake_headers: "{}","{}","{}","{}","{}","{}"'.format(
+                            '50051','0','OUT','content-type','application/grpc','TRUE'),
+                '-d', 'tcp.port==50051,http2',
+                '-2',
+                '-Y', 'protobuf.field.value.string == "Jason" || protobuf.field.value.string == "Lily"',
+            ), encoding='utf-8', env=test_env)
+        assert count_output(stdout, 'DATA') == 2
+
+
+class TestDissectGrpcWeb:
+    def test_grpc_web_unary_call_over_http1(self, cmd_tshark, features, dirs, capture_file, test_env):
+        '''gRPC-Web unary call over http1'''
+        well_know_types_dir = os.path.join(dirs.protobuf_lang_files_dir, 'well_know_types').replace('\\', '/')
+        user_defined_types_dir = os.path.join(dirs.protobuf_lang_files_dir, 'user_defined_types').replace('\\', '/')
+        stdout = subprocess.check_output((cmd_tshark,
+                '-r', capture_file('grpc_web.pcapng.gz'),
+                '-o', 'uat:protobuf_search_paths: "{}","{}"'.format(well_know_types_dir, 'FALSE'),
+                '-o', 'uat:protobuf_search_paths: "{}","{}"'.format(user_defined_types_dir, 'TRUE'),
+                '-o', 'protobuf.preload_protos: TRUE',
+                '-o', 'protobuf.pbf_as_hf: TRUE',
+                '-d', 'tcp.port==57226,http',
+                '-2',
+                '-Y', '(tcp.stream eq 0) && (pbf.greet.HelloRequest.name == "88888888"'
+                        '|| pbf.greet.HelloRequest.name == "99999999"'
+                        '|| pbf.greet.HelloReply.message == "Hello 99999999")',
+            ), encoding='utf-8', env=test_env)
+        assert count_output(stdout, 'greet.HelloRequest') == 2
+        assert count_output(stdout, 'greet.HelloReply') == 1
+
+    def test_grpc_web_unary_call_over_http2(self, cmd_tshark, features, dirs, capture_file, test_env):
+        '''gRPC-Web unary call over http2'''
+        if not features.have_nghttp2:
+            pytest.skip('Requires nghttp2.')
+        well_know_types_dir = os.path.join(dirs.protobuf_lang_files_dir, 'well_know_types').replace('\\', '/')
+        user_defined_types_dir = os.path.join(dirs.protobuf_lang_files_dir, 'user_defined_types').replace('\\', '/')
+        stdout = subprocess.check_output((cmd_tshark,
+                '-r', capture_file('grpc_web.pcapng.gz'),
+                '-o', 'uat:protobuf_search_paths: "{}","{}"'.format(well_know_types_dir, 'FALSE'),
+                '-o', 'uat:protobuf_search_paths: "{}","{}"'.format(user_defined_types_dir, 'TRUE'),
+                '-o', 'protobuf.preload_protos: TRUE',
+                '-o', 'protobuf.pbf_as_hf: TRUE',
+                '-d', 'tcp.port==57228,http2',
+                '-2',
+                '-Y', '(tcp.stream eq 1) && (pbf.greet.HelloRequest.name == "88888888"'
+                        '|| pbf.greet.HelloRequest.name == "99999999"'
+                        '|| pbf.greet.HelloReply.message == "Hello 99999999")',
+            ), encoding='utf-8', env=test_env)
+        assert count_output(stdout, 'greet.HelloRequest') == 2
+        assert count_output(stdout, 'greet.HelloReply') == 1
+
+    def test_grpc_web_reassembly_and_stream_over_http2(self, cmd_tshark, features, dirs, capture_file, test_env):
+        '''gRPC-Web data reassembly and server stream over http2'''
+        if not features.have_nghttp2:
+            pytest.skip('Requires nghttp2.')
+        well_know_types_dir = os.path.join(dirs.protobuf_lang_files_dir, 'well_know_types').replace('\\', '/')
+        user_defined_types_dir = os.path.join(dirs.protobuf_lang_files_dir, 'user_defined_types').replace('\\', '/')
+        stdout = subprocess.check_output((cmd_tshark,
+                '-r', capture_file('grpc_web.pcapng.gz'),
+                '-o', 'uat:protobuf_search_paths: "{}","{}"'.format(well_know_types_dir, 'FALSE'),
+                '-o', 'uat:protobuf_search_paths: "{}","{}"'.format(user_defined_types_dir, 'TRUE'),
+                '-o', 'protobuf.preload_protos: TRUE',
+                '-o', 'protobuf.pbf_as_hf: TRUE',
+                '-d', 'tcp.port==57228,http2',
+                '-2',
+                '-Y', '(tcp.stream eq 2) && ((pbf.greet.HelloRequest.name && grpc.message_length == 80004)'
+                       '|| (pbf.greet.HelloReply.message && (grpc.message_length == 23 || grpc.message_length == 80012)))',
+            ), encoding='utf-8', env=test_env)
+        assert count_output(stdout, 'greet.HelloRequest') == 2
+        assert count_output(stdout, 'greet.HelloReply') == 4
+
+    def test_grpc_web_text_unary_call_over_http1(self, cmd_tshark, features, dirs, capture_file, test_env):
+        '''gRPC-Web-Text unary call over http1'''
+        well_know_types_dir = os.path.join(dirs.protobuf_lang_files_dir, 'well_know_types').replace('\\', '/')
+        user_defined_types_dir = os.path.join(dirs.protobuf_lang_files_dir, 'user_defined_types').replace('\\', '/')
+        stdout = subprocess.check_output((cmd_tshark,
+                '-r', capture_file('grpc_web.pcapng.gz'),
+                '-o', 'uat:protobuf_search_paths: "{}","{}"'.format(well_know_types_dir, 'FALSE'),
+                '-o', 'uat:protobuf_search_paths: "{}","{}"'.format(user_defined_types_dir, 'TRUE'),
+                '-o', 'protobuf.preload_protos: TRUE',
+                '-o', 'protobuf.pbf_as_hf: TRUE',
+                '-d', 'tcp.port==57226,http',
+                '-2',
+                '-Y', '(tcp.stream eq 5) && (pbf.greet.HelloRequest.name == "88888888"'
+                        '|| pbf.greet.HelloRequest.name == "99999999"'
+                        '|| pbf.greet.HelloReply.message == "Hello 99999999")',
+            ), encoding='utf-8', env=test_env)
+        assert grep_output(stdout, 'GRPC-Web-Text')
+        assert count_output(stdout, 'greet.HelloRequest') == 2
+        assert count_output(stdout, 'greet.HelloReply') == 1
+
+    def test_grpc_web_text_unary_call_over_http2(self, cmd_tshark, features, dirs, capture_file, test_env):
+        '''gRPC-Web-Text unary call over http2'''
+        if not features.have_nghttp2:
+            pytest.skip('Requires nghttp2.')
+        well_know_types_dir = os.path.join(dirs.protobuf_lang_files_dir, 'well_know_types').replace('\\', '/')
+        user_defined_types_dir = os.path.join(dirs.protobuf_lang_files_dir, 'user_defined_types').replace('\\', '/')
+        stdout = subprocess.check_output((cmd_tshark,
+                '-r', capture_file('grpc_web.pcapng.gz'),
+                '-o', 'uat:protobuf_search_paths: "{}","{}"'.format(well_know_types_dir, 'FALSE'),
+                '-o', 'uat:protobuf_search_paths: "{}","{}"'.format(user_defined_types_dir, 'TRUE'),
+                '-o', 'protobuf.preload_protos: TRUE',
+                '-o', 'protobuf.pbf_as_hf: TRUE',
+                '-d', 'tcp.port==57228,http2',
+                '-2',
+                '-Y', '(tcp.stream eq 6) && (pbf.greet.HelloRequest.name == "88888888"'
+                        '|| pbf.greet.HelloRequest.name == "99999999"'
+                        '|| pbf.greet.HelloReply.message == "Hello 99999999")',
+            ), encoding='utf-8', env=test_env)
+        assert grep_output(stdout, 'GRPC-Web-Text')
+        assert count_output(stdout, 'greet.HelloRequest') == 2
+        assert count_output(stdout, 'greet.HelloReply') == 1
+
+    def test_grpc_web_text_reassembly_and_stream_over_http2(self, cmd_tshark, features, dirs, capture_file, test_env):
+        '''gRPC-Web-Text data reassembly and server stream over http2'''
+        if not features.have_nghttp2:
+            pytest.skip('Requires nghttp2.')
+        well_know_types_dir = os.path.join(dirs.protobuf_lang_files_dir, 'well_know_types').replace('\\', '/')
+        user_defined_types_dir = os.path.join(dirs.protobuf_lang_files_dir, 'user_defined_types').replace('\\', '/')
+        stdout = subprocess.check_output((cmd_tshark,
+                '-r', capture_file('grpc_web.pcapng.gz'),
+                '-o', 'uat:protobuf_search_paths: "{}","{}"'.format(well_know_types_dir, 'FALSE'),
+                '-o', 'uat:protobuf_search_paths: "{}","{}"'.format(user_defined_types_dir, 'TRUE'),
+                '-o', 'protobuf.preload_protos: TRUE',
+                '-o', 'protobuf.pbf_as_hf: TRUE',
+                '-d', 'tcp.port==57228,http2',
+                '-2',
+                '-Y', '(tcp.stream eq 8) && ((pbf.greet.HelloRequest.name && grpc.message_length == 80004)'
+                       '|| (pbf.greet.HelloReply.message && (grpc.message_length == 23 || grpc.message_length == 80012)))',
+            ), encoding='utf-8', env=test_env)
+        assert grep_output(stdout, 'GRPC-Web-Text')
+        assert count_output(stdout, 'greet.HelloRequest') == 2
+        assert count_output(stdout, 'greet.HelloReply') == 4
+
+    def test_grpc_web_text_reassembly_over_http1(self, cmd_tshark, features, dirs, capture_file, test_env):
+        '''gRPC-Web-Text data reassembly over http1'''
+        well_know_types_dir = os.path.join(dirs.protobuf_lang_files_dir, 'well_know_types').replace('\\', '/')
+        user_defined_types_dir = os.path.join(dirs.protobuf_lang_files_dir, 'user_defined_types').replace('\\', '/')
+        stdout = subprocess.check_output((cmd_tshark,
+                '-r', capture_file('grpc_web.pcapng.gz'),
+                '-o', 'uat:protobuf_search_paths: "{}","{}"'.format(well_know_types_dir, 'FALSE'),
+                '-o', 'uat:protobuf_search_paths: "{}","{}"'.format(user_defined_types_dir, 'TRUE'),
+                '-o', 'protobuf.preload_protos: TRUE',
+                '-o', 'protobuf.pbf_as_hf: TRUE',
+                '-d', 'tcp.port==57226,http',
+                '-2',
+                '-Y', '(tcp.stream eq 7) && (grpc.message_length == 80004 || grpc.message_length == 80010)',
+            ), encoding='utf-8', env=test_env)
+        assert grep_output(stdout, 'GRPC-Web-Text')
+        assert count_output(stdout, 'greet.HelloRequest') == 1
+        assert count_output(stdout, 'greet.HelloReply') == 1
+
+    def test_grpc_web_server_stream_over_http1(self, cmd_tshark, features, dirs, capture_file, test_env):
+        '''gRPC-Web data server stream over http1'''
+        well_know_types_dir = os.path.join(dirs.protobuf_lang_files_dir, 'well_know_types').replace('\\', '/')
+        user_defined_types_dir = os.path.join(dirs.protobuf_lang_files_dir, 'user_defined_types').replace('\\', '/')
+        stdout = subprocess.check_output((cmd_tshark,
+                '-r', capture_file('grpc_web.pcapng.gz'),
+                '-o', 'uat:protobuf_search_paths: "{}","{}"'.format(well_know_types_dir, 'FALSE'),
+                '-o', 'uat:protobuf_search_paths: "{}","{}"'.format(user_defined_types_dir, 'TRUE'),
+                '-o', 'protobuf.preload_protos: TRUE',
+                '-o', 'protobuf.pbf_as_hf: TRUE',
+                '-d', 'tcp.port==57226,http',
+                '-2',
+                '-Y', '(tcp.stream eq 9) && ((pbf.greet.HelloRequest.name && grpc.message_length == 10)'
+                       '|| (pbf.greet.HelloReply.message && grpc.message_length == 18))',
+            ), encoding='utf-8', env=test_env)
+        assert grep_output(stdout, 'GRPC-Web')
+        assert count_output(stdout, 'greet.HelloRequest') == 1
+        assert count_output(stdout, 'greet.HelloReply') == 9
+
+    def test_grpc_web_reassembly_and_stream_over_http1(self, cmd_tshark, features, dirs, capture_file, test_env):
+        '''gRPC-Web data reassembly and server stream over http1'''
+        well_know_types_dir = os.path.join(dirs.protobuf_lang_files_dir, 'well_know_types').replace('\\', '/')
+        user_defined_types_dir = os.path.join(dirs.protobuf_lang_files_dir, 'user_defined_types').replace('\\', '/')
+        stdout = subprocess.check_output((cmd_tshark,
+                '-r', capture_file('grpc_web.pcapng.gz'),
+                '-o', 'uat:protobuf_search_paths: "{}","{}"'.format(well_know_types_dir, 'FALSE'),
+                '-o', 'uat:protobuf_search_paths: "{}","{}"'.format(user_defined_types_dir, 'TRUE'),
+                '-o', 'protobuf.preload_protos: TRUE',
+                '-o', 'protobuf.pbf_as_hf: TRUE',
+                '-d', 'tcp.port==57226,http',
+                '-2',
+                '-Y', '(tcp.stream eq 10) && ((pbf.greet.HelloRequest.name && grpc.message_length == 80004)'
+                       '|| (pbf.greet.HelloReply.message && (grpc.message_length == 23 || grpc.message_length == 80012)))',
+            ), encoding='utf-8', env=test_env)
+        assert grep_output(stdout, 'GRPC-Web')
+        assert count_output(stdout, 'greet.HelloRequest') == 2
+        assert count_output(stdout, 'greet.HelloReply') == 6
+
+
+
+class TestDissectHttp:
+    def test_http_brotli_decompression(self, cmd_tshark, features, dirs, capture_file, test_env):
+        '''HTTP brotli decompression'''
+        if not features.have_brotli:
+            pytest.skip('Requires brotli.')
+        stdout = subprocess.check_output((cmd_tshark,
+                '-r', capture_file('http-brotli.pcapng'),
+                '-Y', 'http.response.code==200',
+                '-Tfields', '-etext',
+            ), encoding='utf-8', env=test_env)
+        assert grep_output(stdout, 'This is a test file for testing brotli decompression in Wireshark')
+
+class TestDissectHttp2:
+    def test_http2_data_reassembly(self, cmd_tshark, features, dirs, capture_file, test_env):
+        '''HTTP2 data reassembly'''
+        if not features.have_nghttp2:
+            pytest.skip('Requires nghttp2.')
+        key_file = os.path.join(dirs.key_dir, 'http2-data-reassembly.keys')
+        stdout = subprocess.check_output((cmd_tshark,
+                '-r', capture_file('http2-data-reassembly.pcap'),
+                '-o', 'tls.keylog_file: {}'.format(key_file),
+                '-d', 'tcp.port==8443,tls',
+                '-Y', 'http2.data.data matches "PNG" && http2.data.data matches "END"',
+            ), encoding='utf-8', env=test_env)
+        assert grep_output(stdout, 'DATA')
+
+    def test_http2_brotli_decompression(self, cmd_tshark, features, dirs, capture_file, test_env):
+        '''HTTP2 brotli decompression'''
+        if not features.have_nghttp2:
+            pytest.skip('Requires nghttp2.')
+        if not features.have_brotli:
+            pytest.skip('Requires brotli.')
+        stdout = subprocess.check_output((cmd_tshark,
+                '-r', capture_file('http2-brotli.pcapng'),
+                '-Y', 'http2.data.data matches "This is a test file for testing brotli decompression in Wireshark"',
+            ), encoding='utf-8', env=test_env)
+        assert grep_output(stdout, 'DATA')
+
+    def test_http2_follow_0(self, cmd_tshark, features, dirs, capture_file, test_env):
+        '''Follow HTTP/2 Stream ID 0 test'''
+        if not features.have_nghttp2:
+            pytest.skip('Requires nghttp2.')
+        key_file = os.path.join(dirs.key_dir, 'http2-data-reassembly.keys')
+        stdout = subprocess.check_output((cmd_tshark,
+                '-r', capture_file('http2-data-reassembly.pcap'),
+                '-o', 'tls.keylog_file: {}'.format(key_file),
+                '-z', 'follow,http2,hex,0,0'
+            ), encoding='utf-8', env=test_env)
+        # Stream ID 0 bytes
+        assert grep_output(stdout, '00000000  00 00 12 04 00 00 00 00')
+        # Stream ID 1 bytes, decrypted but compressed by HPACK
+        assert not grep_output(stdout, '00000000  00 00 2c 01 05 00 00 00')
+        # Stream ID 1 bytes, decrypted and uncompressed, human readable
+        assert not grep_output(stdout, '00000000  3a 6d 65 74 68 6f 64 3a')
+
+    def test_http2_follow_1(self, cmd_tshark, features, dirs, capture_file, test_env):
+        '''Follow HTTP/2 Stream ID 1 test'''
+        if not features.have_nghttp2:
+            pytest.skip('Requires nghttp2.')
+        key_file = os.path.join(dirs.key_dir, 'http2-data-reassembly.keys')
+        stdout = subprocess.check_output((cmd_tshark,
+                '-r', capture_file('http2-data-reassembly.pcap'),
+                '-o', 'tls.keylog_file: {}'.format(key_file),
+                '-z', 'follow,http2,hex,0,1'
+            ), encoding='utf-8', env=test_env)
+        # Stream ID 0 bytes
+        assert not grep_output(stdout, '00000000  00 00 12 04 00 00 00 00')
+        # Stream ID 1 bytes, decrypted but compressed by HPACK
+        assert not grep_output(stdout, '00000000  00 00 2c 01 05 00 00 00')
+        # Stream ID 1 bytes, decrypted and uncompressed, human readable
+        assert grep_output(stdout, '00000000  3a 6d 65 74 68 6f 64 3a')
+
+class TestDissectHttp2:
+    def test_http3_qpack_reassembly(self, cmd_tshark, features, dirs, capture_file, test_env):
+        '''HTTP/3 QPACK encoder stream reassembly'''
+        if not features.have_nghttp3:
+            pytest.skip('Requires nghttp3.')
+        stdout = subprocess.check_output((cmd_tshark,
+                '-r', capture_file('http3-qpack-reassembly-anon.pcapng'),
+                '-Y', 'http3.frame_type == "HEADERS"',
+                '-T', 'fields', '-e', 'http3.headers.method',
+                '-e', 'http3.headers.authority',
+                '-e', 'http3.headers.referer', '-e', 'http3.headers.user_agent',
+                '-e', 'http3.qpack.encoder.icnt'
+            ), encoding='utf-8', env=test_env)
+        assert grep_output(stdout, 'POST')
+        assert grep_output(stdout, 'googlevideo.com')
+        assert grep_output(stdout, 'https://www.youtube.com')
+        assert grep_output(stdout, 'Mozilla/5.0')
+        assert grep_output(stdout, '21') # Total number of QPACK insertions
+
+class TestDissectProtobuf:
+    def test_protobuf_udp_message_mapping(self, cmd_tshark, features, dirs, capture_file, test_env):
+        '''Test Protobuf UDP Message Mapping and parsing google.protobuf.Timestamp features'''
+        well_know_types_dir = os.path.join(dirs.protobuf_lang_files_dir, 'well_know_types').replace('\\', '/')
+        user_defined_types_dir = os.path.join(dirs.protobuf_lang_files_dir, 'user_defined_types').replace('\\', '/')
+        stdout = subprocess.check_output((cmd_tshark,
+                '-r', capture_file('protobuf_udp_addressbook_with_image_ts.pcapng'),
+                '-o', 'uat:protobuf_search_paths: "{}","{}"'.format(well_know_types_dir, 'FALSE'),
+                '-o', 'uat:protobuf_search_paths: "{}","{}"'.format(user_defined_types_dir, 'TRUE'),
+                '-o', 'uat:protobuf_udp_message_types: "8127","tutorial.AddressBook"',
+                '-o', 'protobuf.preload_protos: TRUE',
+                '-o', 'protobuf.pbf_as_hf: TRUE',
+                '-Y', 'pbf.tutorial.Person.name == "Jason"'
+                      ' && pbf.tutorial.Person.last_updated > "2020-10-15"'
+                      ' && pbf.tutorial.Person.last_updated < "2020-10-19"',
+            ), encoding='utf-8', env=test_env)
+        assert grep_output(stdout, 'tutorial.AddressBook')
+
+    def test_protobuf_message_type_leading_with_dot(self, cmd_tshark, features, dirs, capture_file, test_env):
+        '''Test Protobuf Message type is leading with dot'''
+        well_know_types_dir = os.path.join(dirs.protobuf_lang_files_dir, 'well_know_types').replace('\\', '/')
+        user_defined_types_dir = os.path.join(dirs.protobuf_lang_files_dir, 'user_defined_types').replace('\\', '/')
+        stdout = subprocess.check_output((cmd_tshark,
+                '-r', capture_file('protobuf_test_leading_dot.pcapng'),
+                '-o', 'uat:protobuf_search_paths: "{}","{}"'.format(well_know_types_dir, 'FALSE'),
+                '-o', 'uat:protobuf_search_paths: "{}","{}"'.format(user_defined_types_dir, 'TRUE'),
+                '-o', 'uat:protobuf_udp_message_types: "8123","a.b.msg"',
+                '-o', 'protobuf.preload_protos: TRUE',
+                '-o', 'protobuf.pbf_as_hf: TRUE',
+                '-Y', 'pbf.a.b.a.b.c.param3 contains "in a.b.a.b.c" && pbf.a.b.c.param6 contains "in a.b.c"',
+            ), encoding='utf-8', env=test_env)
+        assert grep_output(stdout, 'PB[(]a.b.msg[)]')
+
+    def test_protobuf_map_and_oneof_types(self, cmd_tshark, features, dirs, capture_file, test_env):
+        '''Test Protobuf map and oneof types, and taking keyword as identification'''
+        well_know_types_dir = os.path.join(dirs.protobuf_lang_files_dir, 'well_know_types').replace('\\', '/')
+        user_defined_types_dir = os.path.join(dirs.protobuf_lang_files_dir, 'user_defined_types').replace('\\', '/')
+        stdout = subprocess.check_output((cmd_tshark,
+                '-r', capture_file('protobuf_test_map_and_oneof_types.pcapng'),
+                '-o', 'uat:protobuf_search_paths: "{}","{}"'.format(well_know_types_dir, 'FALSE'),
+                '-o', 'uat:protobuf_search_paths: "{}","{}"'.format(user_defined_types_dir, 'TRUE'),
+                '-o', 'uat:protobuf_udp_message_types: "8124","test.map.MapMaster"',
+                '-o', 'protobuf.preload_protos: TRUE',
+                '-o', 'protobuf.pbf_as_hf: TRUE',
+                '-Y', 'pbf.test.map.MapMaster.param3 == "I\'m param3 for oneof test."'  # test oneof type
+                      ' && pbf.test.map.MapMaster.param4MapEntry.value == 1234'        # test map type
+                      ' && pbf.test.map.Foo.param1 == 88 && pbf.test.map.MapMaster.param5MapEntry.key == 88'
+            ), encoding='utf-8', env=test_env)
+        assert grep_output(stdout, 'PB[(]test.map.MapMaster[)]')
+
+    def test_protobuf_default_value(self, cmd_tshark, features, dirs, capture_file, test_env):
+        '''Test Protobuf feature adding missing fields with default values'''
+        well_know_types_dir = os.path.join(dirs.protobuf_lang_files_dir, 'well_know_types').replace('\\', '/')
+        user_defined_types_dir = os.path.join(dirs.protobuf_lang_files_dir, 'user_defined_types').replace('\\', '/')
+        stdout = subprocess.check_output((cmd_tshark,
+                '-r', capture_file('protobuf_test_default_value.pcapng'),
+                '-o', 'uat:protobuf_search_paths: "{}","{}"'.format(well_know_types_dir, 'FALSE'),
+                '-o', 'uat:protobuf_search_paths: "{}","{}"'.format(user_defined_types_dir, 'TRUE'),
+                '-o', 'uat:protobuf_udp_message_types: "8128","wireshark.protobuf.test.TestDefaultValueMessage"',
+                '-o', 'protobuf.preload_protos: TRUE',
+                '-o', 'protobuf.pbf_as_hf: TRUE',
+                '-o', 'protobuf.add_default_value: all',
+                '-O', 'protobuf',
+                '-Y', 'pbf.wireshark.protobuf.test.TestDefaultValueMessage.enumFooWithDefaultValue_Fouth == -4'
+                      ' && pbf.wireshark.protobuf.test.TestDefaultValueMessage.boolWithDefaultValue_False == false'
+                      ' && pbf.wireshark.protobuf.test.TestDefaultValueMessage.int32WithDefaultValue_0 == 0'
+                      ' && pbf.wireshark.protobuf.test.TestDefaultValueMessage.doubleWithDefaultValue_Negative0point12345678 == -0.12345678'
+                      ' && pbf.wireshark.protobuf.test.TestDefaultValueMessage.stringWithDefaultValue_SymbolPi contains "Pi."'
+                      ' && pbf.wireshark.protobuf.test.TestDefaultValueMessage.bytesWithDefaultValue_1F2F890D0A00004B == 1f:2f:89:0d:0a:00:00:4b'
+                      ' && pbf.wireshark.protobuf.test.TestDefaultValueMessage.optional' # test taking keyword 'optional' as identification
+                      ' && pbf.wireshark.protobuf.test.TestDefaultValueMessage.message' # test taking keyword 'message' as identification
+            ), encoding='utf-8', env=test_env)
+        assert grep_output(stdout, 'floatWithDefaultValue_0point23: 0.23') # another default value will be displayed
+        assert grep_output(stdout, 'missing required field \'missingRequiredField\'') # check the missing required field export warn
+
+    def test_protobuf_field_subdissector(self, cmd_tshark, features, dirs, capture_file, test_env):
+        '''Test "protobuf_field" subdissector table'''
+        if not features.have_lua:
+            pytest.skip('Test requires Lua scripting support.')
+        well_know_types_dir = os.path.join(dirs.protobuf_lang_files_dir, 'well_know_types').replace('\\', '/')
+        user_defined_types_dir = os.path.join(dirs.protobuf_lang_files_dir, 'user_defined_types').replace('\\', '/')
+        lua_file = os.path.join(dirs.lua_dir, 'protobuf_test_field_subdissector_table.lua')
+        stdout = subprocess.check_output((cmd_tshark,
+                '-r', capture_file('protobuf_udp_addressbook_with_image_ts.pcapng'),
+                '-o', 'uat:protobuf_search_paths: "{}","{}"'.format(well_know_types_dir, 'FALSE'),
+                '-o', 'uat:protobuf_search_paths: "{}","{}"'.format(user_defined_types_dir, 'TRUE'),
+                '-o', 'uat:protobuf_udp_message_types: "8127","tutorial.AddressBook"',
+                '-o', 'protobuf.preload_protos: TRUE',
+                '-o', 'protobuf.pbf_as_hf: TRUE',
+                '-X', 'lua_script:{}'.format(lua_file),
+                '-Y', 'pbf.tutorial.Person.name == "Jason" && pbf.tutorial.Person.last_updated && png',
+            ), encoding='utf-8', env=test_env)
+        assert grep_output(stdout, 'PB[(]tutorial.AddressBook[)]')
+
+    def test_protobuf_called_by_custom_dissector(self, cmd_tshark, features, dirs, capture_file, test_env):
+        '''Test Protobuf invoked by other dissector (passing type by pinfo.private)'''
+        if not features.have_lua:
+            pytest.skip('Test requires Lua scripting support.')
+        well_know_types_dir = os.path.join(dirs.protobuf_lang_files_dir, 'well_know_types').replace('\\', '/')
+        user_defined_types_dir = os.path.join(dirs.protobuf_lang_files_dir, 'user_defined_types').replace('\\', '/')
+        lua_file = os.path.join(dirs.lua_dir, 'protobuf_test_called_by_custom_dissector.lua')
+        stdout = subprocess.check_output((cmd_tshark,
+                '-r', capture_file('protobuf_tcp_addressbook.pcapng.gz'),
+                '-o', 'uat:protobuf_search_paths: "{}","{}"'.format(well_know_types_dir, 'FALSE'),
+                '-o', 'uat:protobuf_search_paths: "{}","{}"'.format(user_defined_types_dir, 'TRUE'),
+                '-o', 'protobuf.preload_protos: TRUE',
+                '-o', 'protobuf.pbf_as_hf: TRUE',
+                '-X', 'lua_script:{}'.format(lua_file),
+                '-d', 'tcp.port==18127,addrbook',
+                '-Y', 'pbf.tutorial.Person.name == "Jason" && pbf.tutorial.Person.last_updated',
+            ), encoding='utf-8', env=test_env)
+        assert grep_output(stdout, 'tutorial.AddressBook')
+
+    def test_protobuf_complex_syntax(self, cmd_tshark, features, dirs, capture_file, test_env):
+        '''Test Protobuf parsing complex syntax .proto files'''
+        well_know_types_dir = os.path.join(dirs.protobuf_lang_files_dir, 'well_know_types').replace('\\', '/')
+        complex_proto_files_dir = os.path.join(dirs.protobuf_lang_files_dir, 'complex_proto_files').replace('\\', '/')
+        stdout = subprocess.check_output((cmd_tshark,
+                '-r', capture_file('protobuf_udp_addressbook_with_image_ts.pcapng'),
+                '-o', 'uat:protobuf_search_paths: "{}","{}"'.format(well_know_types_dir, 'FALSE'),
+                '-o', 'uat:protobuf_search_paths: "{}","{}"'.format(complex_proto_files_dir, 'TRUE'),
+                '-o', 'protobuf.preload_protos: TRUE',
+                '-o', 'protobuf.pbf_as_hf: TRUE',
+                '-Y', 'pbf.wireshark.protobuf.test.complex.syntax.TestFileParsed.last_field_for_wireshark_test'
+                      ' && pbf.protobuf_unittest.TestFileParsed.last_field_for_wireshark_test',
+            ), encoding='utf-8', env=test_env)
+        # the output must be empty and not contain something like:
+        #   tshark: "pbf.xxx.TestFileParsed.last_field_for_wireshark_test" is neither a field nor a protocol name.
+        # or
+        #   tshark: Protobuf: Error(s)
+        assert not grep_output(stdout, '.last_field_for_wireshark_test')
+        assert not grep_output(stdout, 'Protobuf: Error')
+
+class TestDissectTcp:
+    @staticmethod
+    def check_tcp_out_of_order(cmd_tshark, dirs, test_env, extraArgs=[]):
+        capture_file = os.path.join(dirs.capture_dir, 'http-ooo.pcap')
+        stdout = subprocess.check_output([cmd_tshark,
+                '-r', capture_file,
+                '-otcp.reassemble_out_of_order:TRUE',
+                '-Y', 'http',
+            ] + extraArgs, encoding='utf-8', env=test_env)
+        assert count_output(stdout, 'HTTP') == 5
+        assert grep_output(stdout, r'^\s*4\s.*PUT /1 HTTP/1.1')
+        assert grep_output(stdout, r'^\s*7\s.*GET /2 HTTP/1.1')
+        assert grep_output(stdout, r'^\s*10\s.*PUT /3 HTTP/1.1')
+        assert grep_output(stdout, r'^\s*11\s.*PUT /4 HTTP/1.1')
+        assert grep_output(stdout, r'^\s*15\s.*PUT /5 HTTP/1.1')
+
+    def test_tcp_out_of_order_onepass(self, cmd_tshark, dirs, test_env):
+        self.check_tcp_out_of_order(cmd_tshark, dirs, test_env)
+
+    def test_tcp_out_of_order_twopass(self, cmd_tshark, dirs, test_env):
+        self.check_tcp_out_of_order(cmd_tshark, dirs, test_env, extraArgs=['-2'])
+
+    def test_tcp_out_of_order_data_after_syn(self, cmd_tshark, capture_file, test_env):
+        '''Test when the first non-empty segment is OoO.'''
+        stdout = subprocess.check_output((cmd_tshark,
+                '-r', capture_file('dns-ooo.pcap'),
+                '-otcp.reassemble_out_of_order:TRUE',
+                '-Y', 'dns', '-Tfields', '-edns.qry.name',
+            ), encoding='utf-8', env=test_env)
+        assert stdout.strip() == 'example.com'
+
+    def test_tcp_out_of_order_first_gap(self, cmd_tshark, capture_file, test_env):
+        '''
+        Test reporting of "reassembled_in" in the OoO frame that contains the
+        initial segment (Bug 15420). Additionally, test for proper reporting
+        when the initial segment is retransmitted.
+        For PDU H123 (where H is the HTTP Request header and 1, 2 and 3 are part
+        of the body), the order is: (SYN) 2 H H 1 3 H.
+        '''
+        stdout = subprocess.check_output((cmd_tshark,
+            '-r', capture_file('http-ooo2.pcap'),
+            '-otcp.reassemble_out_of_order:TRUE',
+            '-Tfields',
+            '-eframe.number', '-etcp.reassembled_in', '-e_ws.col.info',
+            '-2',
+            ), encoding='utf-8', env=test_env)
+        lines = stdout.split('\n')
+        # 2 - start of OoO MSP
+        assert '2\t6\t[TCP Previous segment not captured]' in lines[1]
+        assert '[TCP segment of a reassembled PDU]' in lines[1]
+        # H - first time that the start of the MSP is delivered
+        assert '3\t6\t[TCP Out-Of-Order]' in lines[2]
+        assert '[TCP segment of a reassembled PDU]' in lines[2]
+        # H - first retransmission. Because this is before the reassembly
+        # completes we can add it to the reassembly
+        assert '4\t6\t[TCP Retransmission]' in lines[3]
+        assert '[TCP segment of a reassembled PDU]' in lines[3]
+        # 1 - continue reassembly
+        assert '5\t6\t[TCP Out-Of-Order]' in lines[4]
+        assert '[TCP segment of a reassembled PDU]' in lines[4]
+        # 3 - finish reassembly
+        assert '6\t\tPUT /0 HTTP/1.1' in lines[5]
+        # H - second retransmission. This is after the reassembly completes
+        # so we do not add it to the ressembly (but throw a ReassemblyError.)
+        assert '7\t\t' in lines[6]
+        assert '[TCP segment of a reassembled PDU]' not in lines[6]
+
+    def test_tcp_reassembly_more_data_1(self, cmd_tshark, capture_file, test_env):
+        '''
+        Tests that reassembly also works when a new packet begins at the same
+        sequence number as the initial segment. This models behavior with the
+        ZeroWindowProbe: the initial segment contains a single byte. The second
+        segment contains that byte, plus the remainder.
+        '''
+        stdout = subprocess.check_output((cmd_tshark,
+            '-r', capture_file('retrans-tls.pcap'),
+            '-Ytls', '-Tfields', '-eframe.number', '-etls.record.length',),
+            encoding='utf-8', env=test_env)
+        # First pass dissection actually accepted the first frame as TLS, but
+        # subsequently requested reassembly.
+        assert stdout == '1\t\n2\t16\n'
+
+    def test_tcp_reassembly_more_data_2(self, cmd_tshark, capture_file, test_env):
+        '''
+        Like test_tcp_reassembly_more_data_1, but checks the second pass (-2).
+        '''
+        stdout = subprocess.check_output((cmd_tshark,
+            '-r', capture_file('retrans-tls.pcap'),
+            '-Ytls', '-Tfields', '-eframe.number', '-etls.record.length', '-2'),
+            encoding='utf-8', env=test_env)
+        assert stdout == '2\t16\n'
+
+class TestDissectGit:
+    def test_git_prot(self, cmd_tshark, capture_file, features, test_env):
+        '''
+        Check for Git protocol version 2, flush and delimiter packets.
+        Ensure there are no malformed packets.
+        '''
+        stdout = subprocess.check_output((cmd_tshark,
+                '-r', capture_file('gitOverTCP.pcap'),
+                '-Ygit', '-Tfields', '-egit.version', '-egit.packet_type',
+                '-zexpert', '-e_ws.expert',
+            ), encoding='utf-8', env=test_env)
+        # `epan/dissectors/packet-git.c` parses the Git Protocol version
+        # from ASCII '1' or '2' to integers 49 or 50 in grep output.
+        # 0x0000 are flush packets.
+        # 0x0001 are delimiter packets.
+        # Pre-existing git Malformed Packets in this pcap were addressed
+        # with the parsing of the delimiter packets. This test ensures
+        # pcap gitOverTCP's delim packets are parsed and that there are no
+        # malformed packets with "Expert Info/Errors" in the same pcap.
+        # Additional test cases for other scenarios, i.e actually malformed
+        # git packets, might be required.
+        assert stdout == '50\t\t\n\t0\t\n\t\t\n\t1,0\t\n'
+
+class TestDissectTls:
+    @staticmethod
+    def check_tls_handshake_reassembly(cmd_tshark, capture_file, test_env,
+                                       extraArgs=[]):
+        # Include -zexpert just to be sure that no exception has occurred. It
+        # is not strictly necessary as the extension to be matched is the last
+        # one in the handshake message.
+        stdout = subprocess.check_output([cmd_tshark,
+                               '-r', capture_file('tls-fragmented-handshakes.pcap.gz'),
+                               '-zexpert',
+                               '-Ytls.handshake.extension.data',
+                               '-Tfields', '-etls.handshake.extension.data'] + extraArgs,
+                               encoding='utf-8', env=test_env)
+        stdout = stdout.replace(',', '\n')
+        # Expected output are lines with 0001, 0002, ..., 03e8
+        expected = ''.join('%04x\n' % i for i in range(1, 1001))
+        assert stdout == expected
+
+    @staticmethod
+    def check_tls_reassembly_over_tcp_reassembly(cmd_tshark, capture_file, test_env,
+                                                 extraArgs=[]):
+        stdout = subprocess.check_output([cmd_tshark,
+                               '-r', capture_file('tls-fragmented-over-tcp-segmented.pcapng.gz'),
+                               '-zexpert,note',
+                               '-Yhttp.host',
+                               '-Tfields', '-ehttp.host'] + extraArgs,
+                               encoding='utf-8', env=test_env)
+        stdout = stdout.replace(',', '\n')
+        assert stdout == 'reports.crashlytics.com\n'
+
+    def test_tls_handshake_reassembly(self, cmd_tshark, capture_file, test_env):
+        '''Verify that TCP and TLS handshake reassembly works.'''
+        self.check_tls_handshake_reassembly(cmd_tshark, capture_file, test_env)
+
+    def test_tls_handshake_reassembly_2(self, cmd_tshark, capture_file, test_env):
+        '''Verify that TCP and TLS handshake reassembly works (second pass).'''
+        self.check_tls_handshake_reassembly(
+            cmd_tshark, capture_file, test_env, extraArgs=['-2'])
+
+    def test_tls_reassembly_over_tcp_reassembly(self, cmd_tshark, capture_file, features, test_env):
+        '''Verify that TLS reassembly over TCP reassembly works.'''
+        if not features.have_gnutls:
+            pytest.skip('Requires GnuTLS.')
+        self.check_tls_reassembly_over_tcp_reassembly(cmd_tshark, capture_file, test_env)
+
+    def test_tls_reassembly_over_tcp_reassembly_2(self, cmd_tshark, capture_file, features, test_env):
+        '''Verify that TLS reassembly over TCP reassembly works (second pass).'''
+        # pinfo->curr_layer_num can be different on the second pass than the
+        # first pass, because the HTTP dissector isn't called for the first
+        # TLS record on the second pass.
+        if not features.have_gnutls:
+            pytest.skip('Requires GnuTLS.')
+        self.check_tls_reassembly_over_tcp_reassembly(cmd_tshark, capture_file,
+            test_env, extraArgs=['-2'])
+
+    @staticmethod
+    def check_tls_out_of_order(cmd_tshark, capture_file, test_env, extraArgs=[]):
+        stdout = subprocess.check_output([cmd_tshark,
+                '-r', capture_file('challenge01_ooo_stream.pcapng.gz'),
+                '-otcp.reassemble_out_of_order:TRUE',
+                '-q',
+                '-zhttp,stat,png or image-jfif',
+            ] + extraArgs, encoding='utf-8', env=test_env)
+        assert grep_output(stdout, r'200 OK\s*11')
+
+    def test_tls_out_of_order(self, cmd_tshark, capture_file, features, test_env):
+        '''Verify that TLS reassembly over TCP reassembly works.'''
+        if not features.have_gnutls:
+            pytest.skip('Requires GnuTLS.')
+        self.check_tls_out_of_order(cmd_tshark, capture_file, test_env)
+
+    def test_tls_out_of_order_second_pass(self, cmd_tshark, capture_file, features, test_env):
+        '''Verify that TLS reassembly over TCP reassembly works (second pass).'''
+        if not features.have_gnutls:
+            pytest.skip('Requires GnuTLS.')
+        self.check_tls_out_of_order(cmd_tshark, capture_file,
+            test_env, extraArgs=['-2'])
+
+class TestDissectQuic:
+    @staticmethod
+    def check_quic_tls_handshake_reassembly(cmd_tshark, capture_file, test_env,
+                                       extraArgs=[]):
+        # An assortment of QUIC carrying TLS handshakes that need to be
+        # reassembled, including fragmented in one packet, fragmented in
+        # multiple packets, fragmented in multiple out of order packets,
+        # retried, retried with overlap from the original packets, and retried
+        # with one of the original packets missing (but all data there.)
+        # Include -zexpert just to be sure that nothing Warn or higher occured.
+        # Note level expert infos may be expected with the overlaps and
+        # retransmissions.
+        stdout = subprocess.check_output([cmd_tshark,
+                               '-r', capture_file('quic-fragmented-handshakes.pcapng.gz'),
+                               '-zexpert,warn',
+                               '-Ytls.handshake.type',
+                               '-o', 'gui.column.format:"Handshake Type","%Cus:tls.handshake.type:0:R"',
+                               ] + extraArgs,
+                               encoding='utf-8', env=test_env)
+        assert count_output(stdout, 'Client Hello') == 18
+        assert count_output(stdout, 'Server Hello') == 2
+        assert count_output(stdout, 'Finished') == 2
+        assert count_output(stdout, 'New Session Ticket,New Session Ticket') == 1
+        assert count_output(stdout, 'Certificate') == 2
+        assert not grep_output(stdout, 'Warns')
+        assert not grep_output(stdout, 'Errors')
+
+    def test_quic_tls_handshake_reassembly(self, cmd_tshark, capture_file, test_env):
+        '''Verify that QUIC and TLS handshake reassembly works.'''
+        self.check_quic_tls_handshake_reassembly(cmd_tshark, capture_file, test_env)
+
+    def test_quic_tls_handshake_reassembly_2(self, cmd_tshark, capture_file, test_env):
+        '''Verify that QUIC and TLS handshake reassembly works (second pass).'''
+        self.check_quic_tls_handshake_reassembly(
+            cmd_tshark, capture_file, test_env, extraArgs=['-2'])
+
+class TestDecompressSmb2:
+    @staticmethod
+    def extract_compressed_payload(cmd_tshark, capture_file, test_env, frame_num):
+        stdout = subprocess.check_output((cmd_tshark,
+                '-r', capture_file('smb311-lz77-lz77huff-lznt1.pcap.gz'),
+                '-Tfields', '-edata.data',
+                '-Y', 'frame.number == %d'%frame_num,
+        ), encoding='utf-8', env=test_env)
+        assert b'a'*4096 == bytes.fromhex(stdout.strip())
+
+    def test_smb311_read_lz77(self, cmd_tshark, capture_file, test_env):
+        self.extract_compressed_payload(cmd_tshark, capture_file, test_env, 1)
+
+    def test_smb311_read_lz77huff(self, cmd_tshark, capture_file, test_env):
+        self.extract_compressed_payload(cmd_tshark, capture_file, test_env, 2)
+
+    def test_smb311_read_lznt1(self, cmd_tshark, capture_file, test_env):
+        if sys.byteorder == 'big':
+            pytest.skip('this test is supported on little endian only')
+        self.extract_compressed_payload(cmd_tshark, capture_file, test_env, 3)
+
+    def extract_chained_compressed_payload(self, cmd_tshark, capture_file, test_env, frame_num):
+        stdout = subprocess.check_output((cmd_tshark,
+            '-r', capture_file('smb311-chained-patternv1-lznt1.pcapng.gz'),
+            '-Tfields', '-edata.data',
+            '-Y', 'frame.number == %d'%frame_num,
+        ), encoding='utf-8', env=test_env)
+        assert b'\xaa'*256 == bytes.fromhex(stdout.strip())
+
+    def test_smb311_chained_lznt1_patternv1(self, cmd_tshark, capture_file, test_env):
+        if sys.byteorder == 'big':
+            pytest.skip('this test is supported on little endian only')
+        self.extract_chained_compressed_payload(cmd_tshark, capture_file, test_env, 1)
+
+    def test_smb311_chained_none_patternv1(self, cmd_tshark, capture_file, test_env):
+        self.extract_chained_compressed_payload(cmd_tshark, capture_file, test_env, 2)
+
+class TestDissectCommunityId:
+    @staticmethod
+    def check_baseline(dirs, output, baseline):
+        baseline_file = os.path.join(dirs.baseline_dir, baseline)
+        with open(baseline_file) as f:
+            baseline_data = f.read()
+
+        assert output == baseline_data
+
+    def test_communityid(self, cmd_tshark, features, dirs, capture_file, test_env):
+        # Run tshark on our Community ID test pcap, enabling the
+        # postdissector (it is disabled by default), and asking for
+        # the Community ID value as field output. Verify that this
+        # exits successfully:
+        stdout = subprocess.check_output(
+            (cmd_tshark,
+             '--enable-protocol', 'communityid',
+             '-r', capture_file('communityid.pcap.gz'),
+             '-Tfields', '-ecommunityid',
+             ), encoding='utf-8', env=test_env)
+
+        self.check_baseline(dirs, stdout, 'communityid.txt')
+
+    def test_communityid_filter(self, cmd_tshark, features, dirs, capture_file, test_env):
+        # Run tshark on our Community ID test pcap, enabling the
+        # postdissector and filtering the result.
+        stdout = subprocess.check_output(
+            (cmd_tshark,
+             '--enable-protocol', 'communityid',
+             '-r', capture_file('communityid.pcap.gz'),
+             '-Tfields', '-ecommunityid',
+             'communityid=="1:d/FP5EW3wiY1vCndhwleRRKHowQ="'
+             ), encoding='utf-8', env=test_env)
+
+        self.check_baseline(dirs, stdout, 'communityid-filtered.txt')
+
+class TestDecompressMongo:
+    def test_decompress_zstd(self, cmd_tshark, capture_file, test_env):
+        stdout = subprocess.check_output((cmd_tshark,
+                '-d', 'tcp.port==27017,mongo',
+                '-r', capture_file('mongo-zstd.pcapng'),
+                '-Tfields', '-emongo.element.name'
+        ), encoding='utf-8', env=test_env)
+        # Check the element names of the decompressed body.
+        assert 'drop,lsid,id,$db' == stdout.strip()