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check I2NP message buffer size

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orignal 2016-01-05 14:29:18 -05:00
parent a26c5f85c3
commit ff48422ec0
4 changed files with 29 additions and 25 deletions
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13
I2NPProtocol.h
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@ -155,6 +155,15 @@ namespace tunnel
}
}
size_t Concat (const uint8_t * buf1, size_t len1)
{
// make sure with don't write beyond maxLen
if (len + len1 > maxLen) len1 = maxLen - len;
memcpy (buf + len, buf1, len1);
len += len1;
return len1;
}
I2NPMessage& operator=(const I2NPMessage& other)
{
memcpy (buf + offset, other.buf + other.offset, other.GetLength ());
@ -200,8 +209,8 @@ namespace tunnel
std::shared_ptr<I2NPMessage> NewI2NPShortMessage ();
std::shared_ptr<I2NPMessage> NewI2NPMessage (size_t len);
std::shared_ptr<I2NPMessage> CreateI2NPMessage (I2NPMessageType msgType, const uint8_t * buf, int len, uint32_t replyMsgID = 0);
std::shared_ptr<I2NPMessage> CreateI2NPMessage (const uint8_t * buf, int len, std::shared_ptr<i2p::tunnel::InboundTunnel> from = nullptr);
std::shared_ptr<I2NPMessage> CreateI2NPMessage (I2NPMessageType msgType, const uint8_t * buf, size_t len, uint32_t replyMsgID = 0);
std::shared_ptr<I2NPMessage> CreateI2NPMessage (const uint8_t * buf, size_t len, std::shared_ptr<i2p::tunnel::InboundTunnel> from = nullptr);
std::shared_ptr<I2NPMessage> CreateDeliveryStatusMsg (uint32_t msgID);
std::shared_ptr<I2NPMessage> CreateRouterInfoDatabaseLookupMsg (const uint8_t * key, const uint8_t * from,