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merge bitcoin#23041: Add addrman deserialization error tests

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Kittywhiskers Van Gogh 2024-06-01 18:59:24 +00:00
parent 8aefa9b93a
commit 2420ac9e53
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1 changed files with 46 additions and 6 deletions
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52
test/functional/feature_addrman.py
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@ -14,22 +14,30 @@ from test_framework.test_node import ErrorMatch
from test_framework.util import assert_equal
def serialize_addrman(*, format=1, lowest_compatible=3):
def serialize_addrman(
*,
format=1,
lowest_compatible=3,
net_magic="regtest",
len_new=None,
len_tried=None,
mock_checksum=None,
):
new = []
tried = []
INCOMPATIBILITY_BASE = 32
r = MAGIC_BYTES["regtest"]
r = MAGIC_BYTES[net_magic]
r += struct.pack("B", format)
r += struct.pack("B", INCOMPATIBILITY_BASE + lowest_compatible)
r += ser_uint256(1)
r += struct.pack("i", len(new))
r += struct.pack("i", len(tried))
r += struct.pack("i", len_new or len(new))
r += struct.pack("i", len_tried or len(tried))
ADDRMAN_NEW_BUCKET_COUNT = 1 << 10
r += struct.pack("i", ADDRMAN_NEW_BUCKET_COUNT ^ (1 << 30))
for _ in range(ADDRMAN_NEW_BUCKET_COUNT):
r += struct.pack("i", 0)
checksum = hash256(r)
r += checksum
r += mock_checksum or checksum
return r
@ -70,7 +78,7 @@ class AddrmanTest(BitcoinTestFramework):
match=ErrorMatch.FULL_REGEX,
)
self.log.info("Check that corrupt addrman cannot be read")
self.log.info("Check that corrupt addrman cannot be read (EOF)")
self.stop_node(0)
with open(peers_dat, "wb") as f:
f.write(serialize_addrman()[:-1])
@ -79,6 +87,38 @@ class AddrmanTest(BitcoinTestFramework):
match=ErrorMatch.FULL_REGEX,
)
self.log.info("Check that corrupt addrman cannot be read (magic)")
self.stop_node(0)
write_addrman(peers_dat, net_magic="devnet")
self.nodes[0].assert_start_raises_init_error(
expected_msg=init_error("Invalid network magic number"),
match=ErrorMatch.FULL_REGEX,
)
self.log.info("Check that corrupt addrman cannot be read (checksum)")
self.stop_node(0)
write_addrman(peers_dat, mock_checksum=b"ab" * 32)
self.nodes[0].assert_start_raises_init_error(
expected_msg=init_error("Checksum mismatch, data corrupted"),
match=ErrorMatch.FULL_REGEX,
)
self.log.info("Check that corrupt addrman cannot be read (len_tried)")
self.stop_node(0)
write_addrman(peers_dat, len_tried=-1)
self.nodes[0].assert_start_raises_init_error(
expected_msg=init_error("Corrupt CAddrMan serialization: nTried=-1, should be in \\[0, 16384\\]:.*"),
match=ErrorMatch.FULL_REGEX,
)
self.log.info("Check that corrupt addrman cannot be read (len_new)")
self.stop_node(0)
write_addrman(peers_dat, len_new=-1)
self.nodes[0].assert_start_raises_init_error(
expected_msg=init_error("Corrupt CAddrMan serialization: nNew=-1, should be in \\[0, 65536\\]:.*"),
match=ErrorMatch.FULL_REGEX,
)
self.log.info("Check that missing addrman is recreated")
self.stop_node(0)
os.remove(peers_dat)