drygdryg/zapret
1
0
Fork 0
mirror of https://github.com/bol-van/zapret.git synced 2025-08-10 01:02:03 +03:00
Code Issues Packages Projects Releases Wiki Activity

nfqws: detect Discord Voice IP Discovery packets

Browse Source
This commit is contained in:
Ivan Trubach
2025-04-03 04:23:49 +03:00
parent cbdee74e5f
commit 4b288643ac
9 changed files with 120 additions and 79 deletions
Download Patch File Download Diff File Expand all files Collapse all files

11
nfq/protocol.c
View File

@@ -35,6 +35,7 @@ const char *l7proto_str(t_l7proto l7)
case QUIC: return "quic";
case WIREGUARD: return "wireguard";
case DHT: return "dht";
case DISCORD: return "discord";
default: return "unknown";
}
}
@@ -45,7 +46,8 @@ bool l7_proto_match(t_l7proto l7proto, uint32_t filter_l7)
(l7proto==TLS && (filter_l7 & L7_PROTO_TLS)) ||
(l7proto==QUIC && (filter_l7 & L7_PROTO_QUIC)) ||
(l7proto==WIREGUARD && (filter_l7 & L7_PROTO_WIREGUARD)) ||
(l7proto==DHT && (filter_l7 & L7_PROTO_DHT));
(l7proto==DHT && (filter_l7 & L7_PROTO_DHT)) ||
(l7proto==DISCORD && (filter_l7 & L7_PROTO_DISCORD));
}
#define PM_ABS 0
@@ -1006,3 +1008,10 @@ bool IsDhtD1(const uint8_t *data, size_t len)
{
return len>=7 && data[0]=='d' && data[1]=='1' && data[len-1]=='e';
}
bool IsDiscordIpDiscoveryRequest(const uint8_t *data, size_t len)
{
return len==74 &&
data[0]==0 && data[1]==1 &&
data[2]==0 && data[3]==70 &&
data[8]==0 && memcmp(&data[8],&data[9],63)==0; // address is not set in requests
}