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Introduce bittorrent related protocol sniffers

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* Introduce bittorrent related protocol sniffers

including, sniffers of
1. BitTorrent Protocol (TCP)
2. uTorrent Transport Protocol (UDP)

Signed-off-by: iosmanthus <myosmanthustree@gmail.com>
Co-authored-by: 世界 <i@sekai.icu>
This commit is contained in:
iosmanthus 2024-05-27 19:24:41 +08:00 • committed by 世界
parent 0f7154afbd
commit 4b7a83da16
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GPG key ID: CD109927C34A63C4
6 changed files with 212 additions and 21 deletions
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21
route/router.go
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@ -834,7 +834,16 @@ func (r *Router) RouteConnection(ctx context.Context, conn net.Conn, metadata ad
if metadata.InboundOptions.SniffEnabled && !sniff.Skip(metadata) {
buffer := buf.NewPacket()
sniffMetadata, err := sniff.PeekStream(ctx, conn, buffer, time.Duration(metadata.InboundOptions.SniffTimeout), sniff.StreamDomainNameQuery, sniff.TLSClientHello, sniff.HTTPHost)
sniffMetadata, err := sniff.PeekStream(
ctx,
conn,
buffer,
time.Duration(metadata.InboundOptions.SniffTimeout),
sniff.StreamDomainNameQuery,
sniff.TLSClientHello,
sniff.HTTPHost,
sniff.BitTorrent,
)
if sniffMetadata != nil {
metadata.Protocol = sniffMetadata.Protocol
metadata.Domain = sniffMetadata.Domain
@ -983,7 +992,15 @@ func (r *Router) RoutePacketConnection(ctx context.Context, conn N.PacketConn, m
metadata.Destination = destination
}
if metadata.InboundOptions.SniffEnabled {
sniffMetadata, _ := sniff.PeekPacket(ctx, buffer.Bytes(), sniff.DomainNameQuery, sniff.QUICClientHello, sniff.STUNMessage)
sniffMetadata, _ := sniff.PeekPacket(
ctx,
buffer.Bytes(),
sniff.DomainNameQuery,
sniff.QUICClientHello,
sniff.STUNMessage,
sniff.UTP,
sniff.UDPTracker,
)
if sniffMetadata != nil {
metadata.Protocol = sniffMetadata.Protocol
metadata.Domain = sniffMetadata.Domain