diff options
| author | Thilo Schulz <arny@ats.s.bawue.de> | 2011-07-12 11:59:48 +0000 |
|---|---|---|
| committer | Tim Angus <tim@ngus.net> | 2013-01-10 22:16:30 +0000 |
| commit | 3b328b36426e84975e85a572b82f17cd7caf3dc6 (patch) | |
| tree | a2403aaa9324b934a89b706de3c770fdba298c29 /src/qcommon/qcommon.h | |
| parent | 733365194968c7a0f8e1df074a7d21435c519de9 (diff) | |
- Implement dual protocol support (#4962) - Fix several UDP spoofing security issues
Diffstat (limited to 'src/qcommon/qcommon.h')
| -rw-r--r-- | src/qcommon/qcommon.h | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/src/qcommon/qcommon.h b/src/qcommon/qcommon.h index 165dccae..28834168 100644 --- a/src/qcommon/qcommon.h +++ b/src/qcommon/qcommon.h @@ -193,7 +193,8 @@ void NET_Sleep(int msec); #define MAX_DOWNLOAD_WINDOW 48 // ACK window of 48 download chunks. Cannot set this higher, or clients // will overflow the reliable commands buffer #define MAX_DOWNLOAD_BLKSIZE 1024 // 896 byte block chunks - + +#define NETCHAN_GENCHECKSUM(challenge, sequence) ((challenge) ^ ((sequence) * (challenge))) /* Netchan handles packet fragmentation and out of order / duplicate suppression @@ -222,10 +223,12 @@ typedef struct { int unsentFragmentStart; int unsentLength; byte unsentBuffer[MAX_MSGLEN]; + + int challenge; } netchan_t; void Netchan_Init( int qport ); -void Netchan_Setup( netsrc_t sock, netchan_t *chan, netadr_t adr, int qport ); +void Netchan_Setup(netsrc_t sock, netchan_t *chan, netadr_t adr, int qport, int challenge); void Netchan_Transmit( netchan_t *chan, int length, const byte *data ); void Netchan_TransmitNextFragment( netchan_t *chan ); @@ -241,7 +244,7 @@ PROTOCOL ============================================================== */ -#define PROTOCOL_VERSION 70 +#define PROTOCOL_VERSION 71 // maintain a list of compatible protocols for demo playing // NOTE: that stuff only works with two digits protocols |