def test_inbound_and_outbound(tmpdir, fixtures, capture, material, expected):
km = dsrtp.KeyingMaterial.unpack_encoded(
fixtures.join(material).read()
)
decrypted_cap = tmpdir.join('decrypted.pcap')
streams = [
dsrtp.SRTPStream(km.remote, '192.168.121.234', 60401),
dsrtp.SRTPStream(km.local, '192.168.121.234', 49686),
]
with fixtures.join(capture).open('rb') as fo, \
decrypted_cap.open('wb') as tfo:
dec_pkts = dsrtp.decrypt_packets(
streams,
dsrtp.read_packets(fo),
unknown='drop',
malformed='raise',
)
dsrtp.write_packets(tfo, dec_pkts)
count = 0
with decrypted_cap.open('rb') as tfo:
for _ in dsrtp.read_packets(tfo):
count += 1
assert count == expected
def test_decrypt_outbound_srtp(fixtures, capture, material, out_address,
out_port, expected):
km = dsrtp.KeyingMaterial.unpack_encoded(fixtures.join(material).read())
with fixtures.join(capture).open('rb') as fo:
dec_pkts = dsrtp.decrypt_packets(
dsrtp.SRTPStream(km.local, out_address, out_port),
dsrtp.read_packets(fo),
unknown='drop',
malformed='raise',
)
count = 0
for _, pkt in dec_pkts:
assert (dsrtp.is_srtp_packet(pkt) or dsrtp.is_srtcp_packet(pkt))
count += 1
assert count == expected
def test_inbound_and_outbound(tmpdir, fixtures, capture, material, expected):
km = dsrtp.KeyingMaterial.unpack_encoded(fixtures.join(material).read())
decrypted_cap = tmpdir.join('decrypted.pcap')
streams = [
dsrtp.SRTPStream(km.remote, '192.168.121.234', 60401),
dsrtp.SRTPStream(km.local, '192.168.121.234', 49686),
]
with fixtures.join(capture).open('rb') as fo, \
decrypted_cap.open('wb') as tfo:
dec_pkts = dsrtp.decrypt_packets(
streams,
dsrtp.read_packets(fo),
unknown='drop',
malformed='raise',
)
dsrtp.write_packets(tfo, dec_pkts)
count = 0
with decrypted_cap.open('rb') as tfo:
for _ in dsrtp.read_packets(tfo):
count += 1
assert count == expected
def test_decrypt_inbound_srtp(
fixtures,
capture,
material,
in_address,
in_port,
expected):
km = dsrtp.KeyingMaterial.unpack_encoded(
fixtures.join(material).read()
)
with fixtures.join(capture).open('rb') as fo:
dec_pkts = dsrtp.decrypt_packets(
dsrtp.SRTPStream(km.remote, in_address, in_port),
dsrtp.read_packets(fo),
unknown='drop',
malformed='raise',
)
count = 0
for _, pkt in dec_pkts:
assert (
dsrtp.is_srtp_packet(pkt) or dsrtp.is_srtcp_packet(pkt)
)
count += 1
assert count == expected