mirrors/i2pd
2
0
Fork 0
mirror of https://github.com/PurpleI2P/i2pd synced 2024-11-10 00:00:29 +03:00
Code Issues Packages Projects Releases Wiki Activity

check for I2NP message buffer boudary

Browse Source
This commit is contained in:
orignal 2015-05-11 12:53:08 -04:00
parent 8baab2de37
commit 5cd557ef9d
1 changed files with 15 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

20
I2NPProtocol.cpp
View File

@ -65,8 +65,13 @@ namespace i2p
I2NPMessage * CreateI2NPMessage (I2NPMessageType msgType, const uint8_t * buf, int len, uint32_t replyMsgID)
{
I2NPMessage * msg = NewI2NPMessage (len);
memcpy (msg->GetPayload (), buf, len);
msg->len += len;
if (msg->len + len < msg->maxLen)
{
memcpy (msg->GetPayload (), buf, len);
msg->len += len;
}
else
LogPrint (eLogError, "I2NP message length ", len, " exceeds max length");
FillI2NPMessageHeader (msg, msgType, replyMsgID);
return msg;
}
@ -74,9 +79,14 @@ namespace i2p
I2NPMessage * CreateI2NPMessage (const uint8_t * buf, int len, std::shared_ptr<i2p::tunnel::InboundTunnel> from)
{
I2NPMessage * msg = NewI2NPMessage ();
memcpy (msg->GetBuffer (), buf, len);
msg->len = msg->offset + len;
msg->from = from;
if (msg->offset + len < msg->maxLen)
{
memcpy (msg->GetBuffer (), buf, len);
msg->len = msg->offset + len;
msg->from = from;
}
else
LogPrint (eLogError, "I2NP message length ", len, " exceeds max length");
return msg;
}