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chore: mix the proxy adapter and interface to dns client

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This commit is contained in:
MetaCubeX
2022-06-04 21:18:49 +08:00
parent c045a4f2a7
commit 43d3a0c8ea
6 changed files with 275 additions and 18 deletions
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10
dns/client.go
View File

@ -55,10 +55,14 @@ func (c *client) ExchangeContext(ctx context.Context, m *D.Msg) (*D.Msg, error)
}
var conn net.Conn
if c.proxyAdapter == "" {
conn, err = dialer.DialContext(ctx, network, net.JoinHostPort(ip.String(), c.port), options...)
} else {
if c.proxyAdapter != "" {
conn, err = dialContextWithProxyAdapter(ctx, c.proxyAdapter, network, ip, c.port, options...)
if err == errProxyNotFound {
options = append(options[:0], dialer.WithInterface(c.proxyAdapter), dialer.WithRoutingMark(0))
conn, err = dialer.DialContext(ctx, network, net.JoinHostPort(ip.String(), c.port), options...)
}
} else {
conn, err = dialer.DialContext(ctx, network, net.JoinHostPort(ip.String(), c.port), options...)
}
if err != nil {

14
dns/doh.go
View File

@ -97,11 +97,17 @@ func newDoHClient(url string, r *Resolver, proxyAdapter string) *dohClient {
return nil, err
}
if proxyAdapter == "" {
return dialer.DialContext(ctx, "tcp", net.JoinHostPort(ip.String(), port))
} else {
return dialContextWithProxyAdapter(ctx, proxyAdapter, "tcp", ip, port)
if proxyAdapter != "" {
var conn net.Conn
conn, err = dialContextWithProxyAdapter(ctx, proxyAdapter, "tcp", ip, port)
if err == errProxyNotFound {
options := []dialer.Option{dialer.WithInterface(proxyAdapter), dialer.WithRoutingMark(0)}
conn, err = dialer.DialContext(ctx, "tcp", net.JoinHostPort(ip.String(), port), options...)
}
return conn, err
}
return dialer.DialContext(ctx, "tcp", net.JoinHostPort(ip.String(), port))
},
},
}

10
dns/doq.go
View File

@ -168,15 +168,19 @@ func (dc *quicClient) openSession() (quic.Connection, error) {
}
} else {
conn, err := dialContextWithProxyAdapter(context.Background(), dc.proxyAdapter, "udp", ip, port)
if err != nil {
if err == errProxyNotFound {
options := []dialer.Option{dialer.WithInterface(dc.proxyAdapter), dialer.WithRoutingMark(0)}
conn, err = dialContextWithProxyAdapter(context.Background(), dc.proxyAdapter, "udp", ip, port, options...)
if err != nil {
return nil, err
}
} else {
return nil, err
}
wrapConn, ok := conn.(*wrapPacketConn)
if !ok {
return nil, fmt.Errorf("quio create packet failed")
}
udp = wrapConn
}

3
dns/util.go
View File

@ -3,6 +3,7 @@ package dns
import (
"context"
"crypto/tls"
"errors"
"fmt"
"net"
"net/netip"
@ -19,6 +20,8 @@ import (
D "github.com/miekg/dns"
)
var errProxyNotFound = errors.New("proxy adapter not found")
func putMsgToCache(c *cache.LruCache[string, *D.Msg], key string, msg *D.Msg) {
var ttl uint32
switch {