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correct timestamp check for LeaseSet2

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orignal
2020-04-29 17:11:48 -04:00
parent 16b992d705
commit 627d8cfe69
2 changed files with 28 additions and 18 deletions
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36
libi2pd/LeaseSet.cpp
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@@ -149,20 +149,13 @@ namespace data
auto ret = m_Leases.insert (std::make_shared<Lease>(lease));
if (!ret.second) (*ret.first)->endDate = lease.endDate; // update existing
(*ret.first)->isUpdated = true;
// check if lease's gateway is in our netDb
if (!netdb.FindRouter (lease.tunnelGateway))
{
// if not found request it
LogPrint (eLogInfo, "LeaseSet: Lease's tunnel gateway not found, requesting");
netdb.RequestDestination (lease.tunnelGateway);
}
}
}
else
LogPrint (eLogWarning, "LeaseSet: Lease is expired already");
}
uint64_t LeaseSet::ExtractTimestamp (const uint8_t * buf, size_t len) const
uint64_t LeaseSet::ExtractExpirationTimestamp (const uint8_t * buf, size_t len) const
{
if (!m_Identity) return 0;
size_t size = m_Identity->GetFullLen ();
@@ -187,7 +180,7 @@ namespace data
bool LeaseSet::IsNewer (const uint8_t * buf, size_t len) const
{
return ExtractTimestamp (buf, len) > ExtractTimestamp (m_Buffer, m_BufferLen);
return ExtractExpirationTimestamp (buf, len) > (m_ExpirationTime ? m_ExpirationTime : ExtractExpirationTimestamp (m_Buffer, m_BufferLen));
}
bool LeaseSet::ExpiresSoon(const uint64_t dlt, const uint64_t fudge) const
@@ -282,6 +275,12 @@ namespace data
ReadFromBuffer (buf, len, false, verifySignature);
// TODO: implement encrypted
}
bool LeaseSet2::IsNewer (const uint8_t * buf, size_t len) const
{
uint64_t expiration;
return ExtractPublishedTimestamp (buf, len, expiration) > m_PublishedTimestamp;
}
void LeaseSet2::ReadFromBuffer (const uint8_t * buf, size_t len, bool readIdentity, bool verifySignature)
{
@@ -640,7 +639,14 @@ namespace data
encryptor->Encrypt (data, encrypted, ctx, true);
}
uint64_t LeaseSet2::ExtractTimestamp (const uint8_t * buf, size_t len) const
uint64_t LeaseSet2::ExtractExpirationTimestamp (const uint8_t * buf, size_t len) const
{
uint64_t expiration = 0;
ExtractPublishedTimestamp (buf, len, expiration);
return expiration;
}
uint64_t LeaseSet2::ExtractPublishedTimestamp (const uint8_t * buf, size_t len, uint64_t& expiration) const
{
if (len < 8) return 0;
if (m_StoreType == NETDB_STORE_TYPE_ENCRYPTED_LEASESET2)
@@ -655,7 +661,8 @@ namespace data
offset += blindedKeyLen;
uint32_t timestamp = bufbe32toh (buf + offset); offset += 4;
uint16_t expires = bufbe16toh (buf + offset); offset += 2;
return (timestamp + expires)* 1000LL;
expiration = (timestamp + expires)* 1000LL;
return timestamp;
}
else
{
@@ -665,10 +672,11 @@ namespace data
if (offset + 6 >= len) return 0;
uint32_t timestamp = bufbe32toh (buf + offset); offset += 4;
uint16_t expires = bufbe16toh (buf + offset); offset += 2;
return (timestamp + expires)* 1000LL;
expiration = (timestamp + expires)* 1000LL;
return timestamp;
}
}
}
LocalLeaseSet::LocalLeaseSet (std::shared_ptr<const IdentityEx> identity, const uint8_t * encryptionPublicKey, std::vector<std::shared_ptr<i2p::tunnel::InboundTunnel> > tunnels):
m_ExpirationTime (0), m_Identity (identity)
{