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https://github.com/daeuniverse/dae.git
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feat: support routing by l4proto, ipversion, mac, sip, port, sport
This commit is contained in:
mzz2017
parent
686d6dedc3
commit
916a55d480
@ -10,7 +10,6 @@ As a successor of [v2rayA](https://github.com/v2rayA/v2rayA), dae abandoned v2ra
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## TODO
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1. Control plane does not support MAC and other matching yet.
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1. Dns upstream. Check dns upstream and source loop (whether upstream is also a client of us) and remind user to add source rule.
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1. Routing performance optimization.
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1. Domain routing performance optimization.
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1. ...
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@ -40,7 +40,7 @@ const (
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RoutingType_SourceIpSet
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RoutingType_Port
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RoutingType_SourcePort
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RoutingType_Network
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RoutingType_L4Proto
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RoutingType_IpVersion
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RoutingType_Mac
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RoutingType_Final
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@ -71,12 +71,12 @@ const (
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MaxRoutingLen = 96
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)
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type NetworkType uint8
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type L4ProtoType uint8
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const (
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NetworkType_TCP NetworkType = 1
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NetworkType_UDP NetworkType = 2
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NetworkType_TCP_UDP NetworkType = 3
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L4ProtoType_TCP L4ProtoType = 1
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L4ProtoType_UDP L4ProtoType = 2
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L4ProtoType_TCP_UDP L4ProtoType = 3
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)
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type IpVersion uint8
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@ -13,4 +13,10 @@ const (
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Function_Domain = "domain"
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Function_Ip = "ip"
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Function_SourceIp = "sip"
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Function_Port = "port"
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Function_SourcePort = "sport"
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Function_Mac = "mac"
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Function_L4Proto = "l4proto"
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Function_IpVersion = "ipversion"
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)
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@ -8,7 +8,10 @@ package common
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import (
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"encoding/base64"
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"encoding/binary"
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"encoding/hex"
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"fmt"
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"net/url"
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"strconv"
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"strings"
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)
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@ -78,3 +81,42 @@ func SetValue(values *url.Values, key string, value string) {
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}
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values.Set(key, value)
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}
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func ParseMac(mac string) (addr [6]byte, err error) {
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fields := strings.SplitN(mac, ":", 6)
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if len(fields) != 6 {
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return addr, fmt.Errorf("invalid mac: %v", mac)
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}
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for i, field := range fields {
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v, err := hex.DecodeString(field)
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if err != nil {
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return addr, fmt.Errorf("parse mac %v: %w", mac, err)
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}
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if len(v) != 1 {
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return addr, fmt.Errorf("invalid mac: %v", mac)
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}
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addr[i] = v[0]
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}
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return addr, nil
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}
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func ParsePortRange(pr string) (portRange [2]int, err error) {
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fields := strings.SplitN(pr, "-", 2)
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for i, field := range fields {
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if field == "" {
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return portRange, fmt.Errorf("bad port range: %v", pr)
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}
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port, err := strconv.Atoi(field)
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if err != nil {
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return portRange, err
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}
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if port < 0 || port > 0xffff {
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return portRange, fmt.Errorf("port %v exceeds uint16 range", port)
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}
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portRange[i] = port
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}
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if len(fields) == 1 {
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portRange[1] = portRange[0]
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}
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return portRange, nil
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}
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@ -162,15 +162,15 @@ enum __attribute__((__packed__)) ROUTING_TYPE {
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ROUTING_TYPE_SOURCE_IP_SET,
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ROUTING_TYPE_PORT,
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ROUTING_TYPE_SOURCE_PORT,
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ROUTING_TYPE_NETWORK,
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ROUTING_TYPE_L4PROTO,
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ROUTING_TYPE_IPVERSION,
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ROUTING_TYPE_MAC,
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ROUTING_TYPE_FINAL,
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};
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enum __attribute__((__packed__)) NETWORK_TYPE {
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NETWORK_TYPE_TCP = 1,
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NETWORK_TYPE_UDP = 2,
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NETWORK_TYPE_TCP_UDP = 3,
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enum __attribute__((__packed__)) L4PROTO_TYPE {
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L4PROTO_TYPE_TCP = 1,
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L4PROTO_TYPE_UDP = 2,
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L4PROTO_TYPE_TCP_UDP = 3,
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};
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enum __attribute__((__packed__)) IP_VERSION {
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IPVERSION_4 = 1,
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@ -187,7 +187,7 @@ struct routing {
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__u32 index;
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struct port_range port_range;
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enum NETWORK_TYPE network_type;
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enum L4PROTO_TYPE l4proto_type;
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enum IP_VERSION ip_version;
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};
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enum ROUTING_TYPE type;
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@ -740,7 +740,7 @@ static __always_inline int decap_after_udp_hdr(struct __sk_buff *skb,
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// Do not use __always_inline here because this function is too heavy.
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static long routing(__u8 flag[2], void *l4_hdr, __be32 saddr[4],
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__be32 daddr[4], __be32 mac[4]) {
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#define _network flag[0]
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#define _l4proto flag[0]
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#define _ipversion flag[1]
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// // Get len of routings and epoch from param_map.
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// __u32 *routings_len = bpf_map_lookup_elem(¶m_map, &routings_len_key);
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@ -754,7 +754,7 @@ static long routing(__u8 flag[2], void *l4_hdr, __be32 saddr[4],
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// Define variables for further use.
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__u16 h_dport;
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__u16 h_sport;
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if (_network == NETWORK_TYPE_TCP) {
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if (_l4proto == L4PROTO_TYPE_TCP) {
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h_dport = bpf_ntohs(((struct tcphdr *)l4_hdr)->dest);
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h_sport = bpf_ntohs(((struct tcphdr *)l4_hdr)->source);
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} else {
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@ -762,8 +762,9 @@ static long routing(__u8 flag[2], void *l4_hdr, __be32 saddr[4],
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h_sport = bpf_ntohs(((struct udphdr *)l4_hdr)->source);
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}
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// Modify DNS upstream for routing.
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if (h_dport == 53 && _network == NETWORK_TYPE_UDP) {
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struct ip_port* upstream = bpf_map_lookup_elem(&dns_upstream_map, &zero_key);
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if (h_dport == 53 && _l4proto == L4PROTO_TYPE_UDP) {
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struct ip_port *upstream =
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bpf_map_lookup_elem(&dns_upstream_map, &zero_key);
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if (!upstream) {
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return -EFAULT;
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}
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@ -777,6 +778,7 @@ static long routing(__u8 flag[2], void *l4_hdr, __be32 saddr[4],
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__builtin_memcpy(lpm_key_saddr.data, saddr, IPV6_BYTE_LENGTH);
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__builtin_memcpy(lpm_key_daddr.data, daddr, IPV6_BYTE_LENGTH);
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__builtin_memcpy(lpm_key_mac.data, mac, IPV6_BYTE_LENGTH);
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bpf_printk("mac: %pI6", mac);
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struct map_lpm_type *lpm;
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struct routing *routing;
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@ -842,8 +844,8 @@ static long routing(__u8 flag[2], void *l4_hdr, __be32 saddr[4],
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h_sport > routing->port_range.port_end) {
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bad_rule = true;
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}
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} else if (routing->type == ROUTING_TYPE_NETWORK) {
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if (!(_network & routing->network_type)) {
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} else if (routing->type == ROUTING_TYPE_L4PROTO) {
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if (!(_l4proto & routing->l4proto_type)) {
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bad_rule = true;
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}
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} else if (routing->type == ROUTING_TYPE_IPVERSION) {
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@ -867,7 +869,7 @@ static long routing(__u8 flag[2], void *l4_hdr, __be32 saddr[4],
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// Decide whether to hit.
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if (!bad_rule) {
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if (routing->outbound == OUTBOUND_DIRECT && h_dport == 53 &&
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_network == NETWORK_TYPE_UDP) {
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_l4proto == L4PROTO_TYPE_UDP) {
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// DNS packet should go through control plane.
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return OUTBOUND_CONTROL_PLANE_DIRECT;
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}
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@ -879,7 +881,7 @@ static long routing(__u8 flag[2], void *l4_hdr, __be32 saddr[4],
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bpf_printk(
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"Did coder forget to sync common/consts/ebpf.go with enum ROUTING_TYPE?");
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return -EPERM;
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#undef _network
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#undef _l4proto
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#undef _ip_version
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}
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@ -918,12 +920,12 @@ int tproxy_ingress(struct __sk_buff *skb) {
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if (iph) {
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saddr[0] = 0;
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saddr[1] = 0;
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saddr[2] = bpf_ntohl(0xffff);
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saddr[2] = bpf_htonl(0x0000ffff);
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saddr[3] = iph->saddr;
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daddr[0] = 0;
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daddr[1] = 0;
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daddr[2] = bpf_ntohl(0xffff);
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daddr[2] = bpf_htonl(0x0000ffff);
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daddr[3] = iph->daddr;
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} else if (ipv6h) {
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__builtin_memcpy(daddr, &ipv6h->daddr, IPV6_BYTE_LENGTH);
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@ -968,15 +970,19 @@ int tproxy_ingress(struct __sk_buff *skb) {
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if (unlikely(tcp_state_syn)) {
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// New TCP connection.
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// bpf_printk("[%X]New Connection", bpf_ntohl(tcph->seq));
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__u8 flag[2] = {NETWORK_TYPE_TCP}; // TCP
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__u8 flag[2] = {L4PROTO_TYPE_TCP}; // TCP
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if (ipv6h) {
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flag[1] = IPVERSION_6;
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} else {
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flag[1] = IPVERSION_4;
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}
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__be32 mac[4];
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__builtin_memset(mac, 0, IPV6_BYTE_LENGTH);
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__builtin_memcpy(mac, ethh->h_source, sizeof(ethh->h_source));
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__be32 mac[4] = {
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0,
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0,
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bpf_htonl((ethh->h_source[0] << 8) + (ethh->h_source[1])),
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bpf_htonl((ethh->h_source[2] << 24) + (ethh->h_source[3] << 16) +
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(ethh->h_source[4] << 8) + (ethh->h_source[5])),
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};
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if ((ret = routing(flag, tcph, saddr, daddr, mac)) < 0) {
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bpf_printk("shot routing: %ld", ret);
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return TC_ACT_SHOT;
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@ -1031,15 +1037,19 @@ int tproxy_ingress(struct __sk_buff *skb) {
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new_hdr.port = udph->dest;
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// Routing. It decides if we redirect traffic to control plane.
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__u8 flag[2] = {NETWORK_TYPE_UDP};
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__u8 flag[2] = {L4PROTO_TYPE_UDP};
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if (ipv6h) {
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flag[1] = IPVERSION_6;
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} else {
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flag[1] = IPVERSION_4;
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}
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__be32 mac[4];
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__builtin_memset(mac, 0, IPV6_BYTE_LENGTH);
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__builtin_memcpy(mac, ethh->h_source, sizeof(ethh->h_source));
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__be32 mac[4] = {
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0,
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0,
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bpf_htonl((ethh->h_source[0] << 8) + (ethh->h_source[1])),
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bpf_htonl((ethh->h_source[2] << 24) + (ethh->h_source[3] << 16) +
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(ethh->h_source[4] << 8) + (ethh->h_source[5])),
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};
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if ((ret = routing(flag, udph, saddr, daddr, mac)) < 0) {
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bpf_printk("shot routing: %ld", ret);
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return TC_ACT_SHOT;
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@ -1131,12 +1141,12 @@ int tproxy_egress(struct __sk_buff *skb) {
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if (iph) {
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saddr[0] = 0;
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saddr[1] = 0;
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saddr[2] = bpf_ntohl(0xffff);
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saddr[2] = bpf_htonl(0x0000ffff);
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saddr[3] = iph->saddr;
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daddr[0] = 0;
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daddr[1] = 0;
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daddr[2] = bpf_ntohl(0xffff);
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daddr[2] = bpf_htonl(0x0000ffff);
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daddr[3] = iph->daddr;
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} else if (ipv6h) {
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__builtin_memcpy(daddr, ipv6h->daddr.in6_u.u6_addr32, IPV6_BYTE_LENGTH);
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@ -74,6 +74,27 @@ func (b *RoutingMatcherBuilder) AddDomain(key string, values []string, outbound
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})
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}
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func (b *RoutingMatcherBuilder) AddMac(macAddrs [][6]byte, outbound string) {
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if b.err != nil {
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return
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}
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var addr16 [16]byte
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values := make([]netip.Prefix, 0, len(macAddrs))
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for _, mac := range macAddrs {
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copy(addr16[10:], mac[:])
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prefix := netip.PrefixFrom(netip.AddrFrom16(addr16), 128)
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values = append(values, prefix)
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}
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lpmTrieIndex := len(b.SimulatedLpmTries)
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b.SimulatedLpmTries = append(b.SimulatedLpmTries, values)
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b.rules = append(b.rules, bpfRouting{
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Type: uint8(consts.RoutingType_Mac),
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Value: uint32(lpmTrieIndex),
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Outbound: b.OutboundToId(outbound),
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})
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}
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func (b *RoutingMatcherBuilder) AddIp(values []netip.Prefix, outbound string) {
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if b.err != nil {
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return
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@ -87,6 +108,41 @@ func (b *RoutingMatcherBuilder) AddIp(values []netip.Prefix, outbound string) {
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})
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}
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func (b *RoutingMatcherBuilder) AddSource(values []netip.Prefix, outbound string) {
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if b.err != nil {
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return
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}
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lpmTrieIndex := len(b.SimulatedLpmTries)
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b.SimulatedLpmTries = append(b.SimulatedLpmTries, values)
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b.rules = append(b.rules, bpfRouting{
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Type: uint8(consts.RoutingType_SourceIpSet),
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Value: uint32(lpmTrieIndex),
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Outbound: b.OutboundToId(outbound),
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})
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}
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func (b *RoutingMatcherBuilder) AddL4Proto(values consts.L4ProtoType, outbound string) {
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if b.err != nil {
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return
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}
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b.rules = append(b.rules, bpfRouting{
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Type: uint8(consts.RoutingType_L4Proto),
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Value: uint32(values),
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Outbound: b.OutboundToId(outbound),
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})
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}
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func (b *RoutingMatcherBuilder) AddIpVersion(values consts.IpVersion, outbound string) {
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if b.err != nil {
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return
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}
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b.rules = append(b.rules, bpfRouting{
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Type: uint8(consts.RoutingType_IpVersion),
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Value: uint32(values),
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Outbound: b.OutboundToId(outbound),
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})
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}
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func (b *RoutingMatcherBuilder) AddFinal(outbound string) {
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if b.err != nil {
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return
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@ -7,6 +7,7 @@ package routing
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import (
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"fmt"
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"github.com/v2rayA/dae/common"
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"github.com/v2rayA/dae/common/consts"
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"net/netip"
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"strings"
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@ -20,7 +21,7 @@ type MatcherBuilder interface {
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AddPort(values [][2]int, outbound string)
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AddSource(values []netip.Prefix, outbound string)
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AddSourcePort(values [][2]int, outbound string)
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AddNetwork(values consts.NetworkType, outbound string)
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AddL4Proto(values consts.L4ProtoType, outbound string)
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AddIpVersion(values consts.IpVersion, outbound string)
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AddMac(values [][6]byte, outbound string)
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AddFinal(outbound string)
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@ -66,14 +67,66 @@ func ApplyMatcherBuilder(builder MatcherBuilder, rules []RoutingRule, finalOutbo
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}
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builder.AddAnyBefore(key, paramValueGroup, outbound)
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switch f.Name {
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case "domain":
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case consts.Function_Domain:
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builder.AddDomain(key, paramValueGroup, outbound)
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case "ip":
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case consts.Function_Ip, consts.Function_SourceIp:
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cidrs, err := ParsePrefixes(paramValueGroup)
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if err != nil {
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return err
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}
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if f.Name == consts.Function_Ip {
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builder.AddIp(cidrs, outbound)
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} else {
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builder.AddSource(cidrs, outbound)
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}
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case consts.Function_Mac:
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var macAddrs [][6]byte
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for _, v := range paramValueGroup {
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mac, err := common.ParseMac(v)
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if err != nil {
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return err
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}
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macAddrs = append(macAddrs, mac)
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}
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builder.AddMac(macAddrs, outbound)
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case consts.Function_Port, consts.Function_SourcePort:
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var portRanges [][2]int
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for _, v := range paramValueGroup {
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portRange, err := common.ParsePortRange(v)
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if err != nil {
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return err
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}
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portRanges = append(portRanges, portRange)
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}
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if f.Name == consts.Function_Port {
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builder.AddPort(portRanges, outbound)
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} else {
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builder.AddSourcePort(portRanges, outbound)
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}
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case consts.Function_L4Proto:
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var l4protoType consts.L4ProtoType
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for _, v := range paramValueGroup {
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switch v {
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case "tcp":
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l4protoType |= consts.L4ProtoType_TCP
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case "udp":
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l4protoType |= consts.L4ProtoType_UDP
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}
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}
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builder.AddL4Proto(l4protoType, outbound)
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case consts.Function_IpVersion:
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var ipVersion consts.IpVersion
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for _, v := range paramValueGroup {
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switch v {
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case "4":
|
||||
ipVersion |= consts.IpVersion_4
|
||||
case "6":
|
||||
ipVersion |= consts.IpVersion_6
|
||||
}
|
||||
}
|
||||
builder.AddIpVersion(ipVersion, outbound)
|
||||
default:
|
||||
return fmt.Errorf("unsupported function name: %v", f.Name)
|
||||
}
|
||||
builder.AddAnyAfter(key, paramValueGroup, outbound)
|
||||
}
|
||||
@ -92,7 +145,7 @@ func (d *DefaultMatcherBuilder) AddIp(values []netip.Prefix, outbound string)
|
||||
func (d *DefaultMatcherBuilder) AddPort(values [][2]int, outbound string) {}
|
||||
func (d *DefaultMatcherBuilder) AddSource(values []netip.Prefix, outbound string) {}
|
||||
func (d *DefaultMatcherBuilder) AddSourcePort(values [][2]int, outbound string) {}
|
||||
func (d *DefaultMatcherBuilder) AddNetwork(values consts.NetworkType, outbound string) {}
|
||||
func (d *DefaultMatcherBuilder) AddL4Proto(values consts.L4ProtoType, outbound string) {}
|
||||
func (d *DefaultMatcherBuilder) AddIpVersion(values consts.IpVersion, outbound string) {}
|
||||
func (d *DefaultMatcherBuilder) AddMac(values [][6]byte, outbound string) {}
|
||||
func (d *DefaultMatcherBuilder) AddFinal(outbound string) {}
|
||||
|
||||
@ -131,11 +131,10 @@ func (s *RoutingAWalker) parseFunctionPrototype(ctx *routingA.FunctionPrototypeC
|
||||
// Validate function name and param keys.
|
||||
for _, param := range params {
|
||||
switch funcName {
|
||||
case "domain":
|
||||
case consts.Function_Domain:
|
||||
switch param.Key {
|
||||
case "", "domain", consts.RoutingDomain_Suffix,
|
||||
case "", consts.RoutingDomain_Suffix,
|
||||
consts.RoutingDomain_Keyword,
|
||||
"contains",
|
||||
consts.RoutingDomain_Full,
|
||||
consts.RoutingDomain_Regex,
|
||||
"geosite":
|
||||
@ -143,14 +142,14 @@ func (s *RoutingAWalker) parseFunctionPrototype(ctx *routingA.FunctionPrototypeC
|
||||
s.reportKeyUnsupportedError(ctx, param.Key, funcName)
|
||||
return nil
|
||||
}
|
||||
case "ip":
|
||||
case consts.Function_Ip, consts.Function_SourceIp:
|
||||
switch param.Key {
|
||||
case "", "geoip":
|
||||
default:
|
||||
s.reportKeyUnsupportedError(ctx, param.Key, funcName)
|
||||
return nil
|
||||
}
|
||||
case "port", "source", "sourcePort", "network", "ipVersion":
|
||||
case consts.Function_Port, consts.Function_SourcePort, consts.Function_Mac, consts.Function_L4Proto, consts.Function_IpVersion:
|
||||
if param.Key != "" {
|
||||
s.reportKeyUnsupportedError(ctx, param.Key, funcName)
|
||||
return nil
|
||||
|
||||
6
main.go
6
main.go
@ -26,10 +26,14 @@ func main() {
|
||||
log.Println("Running")
|
||||
t, err := control.NewControlPlane(log, `
|
||||
default:proxy
|
||||
#sip(172.17.0.2)->proxy
|
||||
#mac("02:42:ac:11:00:02")->proxy
|
||||
#ipversion(4)->proxy
|
||||
#l4proto(tcp)->proxy
|
||||
ip(119.29.29.29) -> proxy
|
||||
ip(223.5.5.5) -> direct
|
||||
ip(geoip:cn) -> direct
|
||||
domain(geosite:cn, domain:"ip.sb") -> direct
|
||||
domain(geosite:cn, suffix:"ip.sb") -> direct
|
||||
ip("91.105.192.0/23","91.108.4.0/22","91.108.8.0/21","91.108.16.0/21","91.108.56.0/22","95.161.64.0/20","149.154.160.0/20","185.76.151.0/24")->proxy
|
||||
domain(geosite:category-scholar-!cn, geosite:category-scholar-cn)->direct
|
||||
`)
|
||||
|
||||
Loading…
Reference in New Issue
Block a user