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tpws: fix MSS apply in transparent mode

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This commit is contained in:
bol-van 2024-10-15 10:35:27 +03:00
parent ea97e9ade2
commit 47c08d0ab5
2 changed files with 22 additions and 27 deletions
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47
tpws/tpws_conn.c
View File

@ -569,7 +569,6 @@ static tproxy_conn_t* add_tcp_connection(int efd, struct tailhead *conn_list,int
{
struct sockaddr_storage orig_dst;
tproxy_conn_t *conn;
int remote_fd=0;
if (proxy_type==CONN_TYPE_TRANSPARENT)
{
@ -597,19 +596,8 @@ static tproxy_conn_t* add_tcp_connection(int efd, struct tailhead *conn_list,int
return 0;
}
if (proxy_type==CONN_TYPE_TRANSPARENT)
{
if ((remote_fd = connect_remote((struct sockaddr *)&orig_dst, 0)) < 0)
{
DLOG_ERR("Failed to connect\n");
close(local_fd);
return NULL;
}
}
if(!(conn = new_conn(local_fd, false)))
{
if (remote_fd) close(remote_fd);
close(local_fd);
return NULL;
}
@ -617,18 +605,33 @@ static tproxy_conn_t* add_tcp_connection(int efd, struct tailhead *conn_list,int
conn->state = CONN_AVAILABLE; // accepted connection is immediately available
conn->efd = efd;
socklen_t salen=sizeof(conn->client);
getpeername(conn->fd,(struct sockaddr *)&conn->client,&salen);
if (proxy_type==CONN_TYPE_TRANSPARENT)
{
sa46copy(&conn->dest, (struct sockaddr *)&orig_dst);
if(!(conn->partner = new_conn(remote_fd, true)))
if(!(conn->partner = new_conn(0, true)))
{
free_conn(conn);
close(remote_fd);
return NULL;
}
conn->partner->partner = conn;
conn->partner->efd = efd;
conn->partner->client = conn->client;
conn->partner->dest = conn->dest;
apply_desync_profile(&conn->track, (struct sockaddr *)&conn->dest);
if ((conn->partner->fd = connect_remote((struct sockaddr *)&orig_dst, conn->track.dp ? conn->track.dp->mss : 0)) < 0)
{
DLOG_ERR("Failed to connect\n");
free_conn(conn->partner);
free_conn(conn);
return NULL;
}
//remote_fd is connecting. Non-blocking connects are signaled as done by
//socket being marked as ready for writing
@ -663,9 +666,6 @@ static tproxy_conn_t* add_tcp_connection(int efd, struct tailhead *conn_list,int
legs_remote++;
}
if (proxy_type==CONN_TYPE_TRANSPARENT)
apply_desync_profile(&conn->track, (struct sockaddr *)&conn->dest);
return conn;
}
@ -815,6 +815,8 @@ static bool proxy_mode_connect_remote(tproxy_conn_t *conn, struct tailhead *conn
}
conn->partner->partner = conn;
conn->partner->efd = conn->efd;
conn->partner->client = conn->client;
conn->partner->dest = conn->dest;
if (!epoll_set(conn->partner, EPOLLOUT))
{
DLOG_ERR("socks epoll_set error %d\n", errno);
@ -1524,18 +1526,11 @@ int event_loop(const int *listen_fd, size_t listen_fd_ct)
else
{
print_legs();
if (params.debug>=1)
{
struct sockaddr_storage sa;
socklen_t salen=sizeof(sa);
char ip_port[48];
if (getpeername(conn->fd,(struct sockaddr *)&sa,&salen))
*ip_port=0;
else
ntop46_port((struct sockaddr*)&sa,ip_port,sizeof(ip_port));
ntop46_port((struct sockaddr*)&conn->client,ip_port,sizeof(ip_port));
VPRINT("Socket fd=%d (local) connected from %s\n", conn->fd, ip_port);
}
set_user_timeout(conn->fd, params.tcp_user_timeout_local);

2
tpws/tpws_conn.h
View File

@ -54,7 +54,7 @@ struct tproxy_conn
int splice_pipe[2];
conn_state_t state;
conn_type_t conn_type;
sockaddr_in46 src, dest;
sockaddr_in46 client, dest; // ip:port of client, ip:port of target
struct tproxy_conn *partner; // other leg
time_t orphan_since;