server_common/wsproxy
5
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

1

Browse Source
This commit is contained in:
aozhiwei 2023-04-24 15:27:51 +08:00
commit b957ba9682
3 changed files with 18 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
server/wsproxy/kcpsession.cc
View File

@ -85,10 +85,10 @@ void KcpSession::DecodeUserPacket(char* buf, int& offset, unsigned int buflen)
//packagelen + msgid + magiccode + msgbody
//2 + 2 + 4+ xx + \0 + xx
bool warning = false;
while (buflen - offset >= sizeof(f8::PackHead)) {
f8::PackHead* p = (f8::PackHead*)&buf[offset];
while (buflen - offset >= sizeof(f8::PackHead) + GetSecretKeyLen()) {
f8::PackHead* p = (f8::PackHead*)&buf[offset + GetSecretKeyLen()];
if (p->magic_code == f8::MAGIC_CODE) {
if (buflen - offset < sizeof(f8::PackHead) + p->packlen) {
if (buflen - offset < sizeof(f8::PackHead) + p->packlen + GetSecretKeyLen()) {
break;
}
//a8::XPrintf("Recv MsgId:%d\n", {p->msgid});
@ -98,7 +98,7 @@ void KcpSession::DecodeUserPacket(char* buf, int& offset, unsigned int buflen)
//saddr,
p->msgid,
p->seqid,
&buf[offset + sizeof(f8::PackHead)],
&buf[offset + sizeof(f8::PackHead) + GetSecretKeyLen()],
p->packlen);
offset += sizeof(f8::PackHead) + p->packlen;
} else {

6
server/wsproxy/kcpsession.h
View File

@ -22,6 +22,12 @@ public:
void SendClientMsg(char* buf, int buf_len);
virtual void OnRecvPacket(a8::UdpPacket* pkt) override;
static int GetSecretKeyLen() { return sizeof(long long) / 4; }
static long long ReadSecretKey(const char* buf, int buf_len)
{
return buf_len < GetSecretKeyLen() ? 0 : *((long long*)buf);
}
protected:
virtual void DecodeUserPacket(char* buf, int& offset, unsigned int buflen) override;

13
server/wsproxy/longsessionmgr.cc
View File

@ -81,11 +81,14 @@ std::shared_ptr<LongSession> LongSessionMgr::GetSession(int socket_handle)
void LongSessionMgr::ProcUdpPacket(a8::UdpPacket* pkt)
{
int socket_handle = 0;
long long secret_key = 0;
auto session = GetSession(socket_handle);
if (session && secret_key == session->GetKcpSession()->GetSecretKey()) {
session->GetKcpSession()->OnRecvPacket(pkt);
const int IKCP_OVERHEAD = 24;
if (pkt->buf_len > IKCP_OVERHEAD + KcpSession::GetSecretKeyLen()) {
int socket_handle = ikcp_getconv(pkt->buf);
long long secret_key = KcpSession::ReadSecretKey(pkt->buf, pkt->buf_len);
auto session = GetSession(socket_handle);
if (session && secret_key == session->GetKcpSession()->GetSecretKey()) {
session->GetKcpSession()->OnRecvPacket(pkt);
}
}
}