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feat: support iptables tproxy (#80)

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This commit is contained in:
mzz
2023-06-04 11:38:05 +08:00
committed by GitHub
parent cbcbec9a1a
commit ee09ae17e3
26 changed files with 313 additions and 229 deletions
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3
control/kern/tproxy.c
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@ -64,6 +64,7 @@
#define IS_LAN 1
#define TPROXY_MARK 0x8000000
#define RECOGNIZE 0x2017
#define ESOCKTNOSUPPORT 94 /* Socket type not supported */
@ -139,6 +140,7 @@ struct routing_result {
struct dst_routing_result {
__be32 ip[4];
__be16 port;
__u16 recognize;
struct routing_result routing_result;
};
@ -1751,6 +1753,7 @@ int tproxy_wan_egress(struct __sk_buff *skb) {
__builtin_memset(&new_hdr, 0, sizeof(new_hdr));
__builtin_memcpy(new_hdr.ip, &tuples.dip, IPV6_BYTE_LENGTH);
new_hdr.port = udph.dest;
new_hdr.recognize = RECOGNIZE;
new_hdr.routing_result.outbound = s64_ret;
new_hdr.routing_result.mark = s64_ret >> 8;
new_hdr.routing_result.must = (s64_ret >> 40) & 1;