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TSG-14789 TFE扫描service chaining策略，执行Decrypted Traffic Steering

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This commit is contained in:
luwenpeng
2023-04-17 18:26:33 +08:00
committed by luwenpeng
parent f741c3c025
commit f421e4df54
11 changed files with 249 additions and 4 deletions
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9
platform/src/acceptor_kni_v3.cpp
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@@ -19,6 +19,7 @@
#define TCP_RESTORE_TCPOPT_KIND 88
extern void tcp_policy_enforce(struct tcp_policy_enforcer *enforcer, struct tfe_cmsg *cmsg, uint64_t rule_id);
extern void chaining_policy_enforce(struct chaining_policy_enforcer *enforcer, struct tfe_cmsg *cmsg, uint64_t rule_id);
struct acceptor_kni_v3
{
@@ -601,8 +602,10 @@ static int payload_handler_cb(struct nfq_q_handle *qh, struct nfgenmsg *nfmsg, s
struct pkt_info pktinfo;
struct tcp_restore_info restore_info;
uint8_t stream_protocol_in_char = 0;
uint8_t enalbe_decrypted_traffic_steering = 0;
uint16_t size = 0;
uint64_t rule_id = 0;
uint64_t chaining_rule_id = 0; // only use for acceptv4
struct acceptor_kni_v3 *__ctx = (struct acceptor_kni_v3 *)data;
clock_gettime(CLOCK_MONOTONIC, &(__ctx->start));
memset(&pktinfo, 0, sizeof(pktinfo));
@@ -720,6 +723,7 @@ static int payload_handler_cb(struct nfq_q_handle *qh, struct nfgenmsg *nfmsg, s
goto end;
}
tcp_policy_enforce(__ctx->proxy->tcp_ply_enforcer, cmsg, rule_id);
chaining_policy_enforce(__ctx->proxy->chain_ply_enforcer, cmsg, chaining_rule_id);
if (overwrite_tcp_mss(cmsg, &restore_info))
{
@@ -745,9 +749,12 @@ static int payload_handler_cb(struct nfq_q_handle *qh, struct nfgenmsg *nfmsg, s
}
tfe_cmsg_get_value(cmsg, TFE_CMSG_TCP_RESTORE_PROTOCOL, (unsigned char *)&stream_protocol_in_char, sizeof(stream_protocol_in_char), &size);
tfe_cmsg_get_value(cmsg, TFE_CMSG_TCP_DECRYPTED_TRAFFIC_STEERING, (unsigned char *)&enalbe_decrypted_traffic_steering, sizeof(enalbe_decrypted_traffic_steering), &size);
if (steering_device_is_available() && (
(STREAM_PROTO_PLAIN == (enum tfe_stream_proto)stream_protocol_in_char && __ctx->proxy->traffic_steering_options.enable_steering_http) ||
(STREAM_PROTO_SSL == (enum tfe_stream_proto)stream_protocol_in_char && __ctx->proxy->traffic_steering_options.enable_steering_ssl)))
(STREAM_PROTO_SSL == (enum tfe_stream_proto)stream_protocol_in_char && __ctx->proxy->traffic_steering_options.enable_steering_ssl) ||
enalbe_decrypted_traffic_steering == 1))
{
if (fake_tcp_handshake(__ctx->proxy, &restore_info) == -1)
{