Decrypted Traffic Steering 回流回注测试通过

This commit is contained in:
luwenpeng
2022-12-06 15:01:42 +08:00
parent 2ee2307265
commit c1d9a1ab0f
11 changed files with 399 additions and 21 deletions

View File

@@ -38,7 +38,7 @@ struct tcp_restore_info
};
void tfe_tcp_restore_info_dump(const struct tcp_restore_info *info);
int tfe_tcp_restore_fd_create(const struct tcp_restore_endpoint *endpoint, const struct tcp_restore_endpoint *peer);
int tfe_tcp_restore_fd_create(const struct tcp_restore_endpoint *endpoint, const struct tcp_restore_endpoint *peer, const char *devname, unsigned int fd_so_mask);
#ifdef __cpluscplus
}

View File

@@ -5,12 +5,11 @@
#include <assert.h>
#include <arpa/inet.h>
#include <linux/tcp.h>
#include <net/if.h>
#include <tfe_utils.h>
#include <tfe_tcp_restore.h>
static unsigned int fd_so_mask = 0x65;
void tfe_tcp_restore_info_dump(const struct tcp_restore_info *info)
{
char str_client_addr[64] = { 0 };
@@ -57,12 +56,13 @@ void tfe_tcp_restore_info_dump(const struct tcp_restore_info *info)
}
}
int tfe_tcp_restore_fd_create(const struct tcp_restore_endpoint *endpoint, const struct tcp_restore_endpoint *peer)
int tfe_tcp_restore_fd_create(const struct tcp_restore_endpoint *endpoint, const struct tcp_restore_endpoint *peer, const char *devname, unsigned int fd_so_mask)
{
int result = 0;
int sockopt = 0;
int sockfd = 0;
char buffer[IFNAMSIZ] = {0};
socklen_t buffer_len = sizeof(buffer);
unsigned int nr_tcp_repair_opts = 0;
struct tcp_repair_opt tcp_repair_opts[8];
struct tcp_repair_window tcp_repair_window = { 0 };
@@ -88,6 +88,21 @@ int tfe_tcp_restore_fd_create(const struct tcp_restore_endpoint *endpoint, const
goto errout;
}
result = setsockopt(sockfd, SOL_SOCKET, SO_BINDTODEVICE, devname, strlen(devname));
if (result < 0)
{
TFE_LOG_ERROR(g_default_logger, "failed at setsockopt(SO_BINDTODEVICE) on %d, %d: %s", devname, errno, strerror(errno));
goto errout;
}
result = getsockopt(sockfd, SOL_SOCKET, SO_BINDTODEVICE, buffer, &buffer_len);
if (result < 0)
{
TFE_LOG_ERROR(g_default_logger, "failed at getsockopt(SO_BINDTODEVICE) on %d, %d: %s", devname, errno, strerror(errno));
goto errout;
}
TFE_LOG_DEBUG(g_default_logger, "sockfd %d successfully bound to %s device, so_mask: %x", sockfd, buffer, fd_so_mask);
// Setup TCP REPAIR Status
sockopt = 1;
result = setsockopt(sockfd, SOL_SOCKET, SO_REUSEADDR, (char *)&sockopt, sizeof(sockopt));

View File

@@ -22,6 +22,7 @@ load_balance=1
# for enable kni v3
[nfq]
device=tap0
queue_id=1
queue_maxlen=655350
queue_rcvbufsiz=983025000
@@ -166,6 +167,15 @@ default_vlan_id=2
table_info=resource/pangu/table_info_traffic_mirror.conf
stat_file=log/traffic_mirror.status
[traffic_steering]
enable=1
# 17: 0x11
so_mask_client=17
# 34: 0x22
so_mask_server=34
device_client=eth_client
device_server=eth_server
[kafka]
enable=1
vsystem_id=1

View File

@@ -85,6 +85,8 @@ struct tfe_stream_private
struct tfe_stream_write_ctx * w_ctx_downstream;
struct tfe_conn_private * conn_upstream;
struct tfe_conn_private * conn_downstream;
struct tfe_conn_private * conn_fake_c;
struct tfe_conn_private * conn_fake_s;
struct
{
@@ -130,6 +132,9 @@ struct tfe_stream_private
/* KEYRING-ID */
unsigned keyring_id;
evutil_socket_t fd_fake_c;
evutil_socket_t fd_fake_s;
/* ONLY FOR LOG */
evutil_socket_t log_fd_downstream;
evutil_socket_t log_fd_upstream;

View File

@@ -4,6 +4,7 @@
#include <event2/event.h>
#include <sender_scm.h>
#include <ssl_stream_core.h>
#include <net/if.h>
struct ssl_mgr;
struct key_keeper;
@@ -60,6 +61,15 @@ struct tfe_proxy_tcp_options
int tcp_ttl_downstream;
};
struct tfe_traffic_steering_options
{
int enable;
int so_mask_client;
int so_mask_server;
char device_client[IFNAMSIZ];
char device_server[IFNAMSIZ];
};
struct tfe_proxy_rate_limit_options
{
unsigned int read_rate;
@@ -141,6 +151,8 @@ struct tfe_proxy
/* load balancing */
enum tfe_load_balance_algo load_balance;
struct tfe_traffic_steering_options traffic_steering_options;
};
extern struct tfe_proxy * g_default_proxy;
@@ -152,6 +164,6 @@ struct tfe_thread_ctx * tfe_proxy_thread_ctx_acquire(struct tfe_proxy * ctx);
void tfe_proxy_thread_ctx_release(struct tfe_thread_ctx * thread_ctx);
struct tfe_proxy * tfe_proxy_new(const char * profile);
int tfe_proxy_fds_accept(struct tfe_proxy * ctx, int fd_downstream, int fd_upstream, struct tfe_cmsg * cmsg);
int tfe_proxy_fds_accept(struct tfe_proxy * ctx, int fd_downstream, int fd_upstream, int fd_fake_c, int fd_fake_s, struct tfe_cmsg * cmsg);
void tfe_proxy_run(struct tfe_proxy * proxy);
int tfe_thread_set_affinity(int core_id);

View File

@@ -12,5 +12,5 @@ enum tfe_stream_option
};
int tfe_stream_option_set(struct tfe_stream * stream, enum tfe_stream_option opt, const void * arg, size_t sz_arg);
int tfe_stream_init_by_fds(struct tfe_stream * stream, evutil_socket_t fd_downstream, evutil_socket_t fd_upstream);
int tfe_stream_init_by_fds(struct tfe_stream *stream, evutil_socket_t fd_downstream, evutil_socket_t fd_upstream, evutil_socket_t fd_fake_c, evutil_socket_t fd_fake_s);
void tfe_stream_destory(struct tfe_stream_private * stream);

View File

@@ -284,7 +284,7 @@ void __kni_event_cb(evutil_socket_t fd, short what, void * user)
tfe_cmsg_set(__tfe_cmsg, TFE_CMSG_POLICY_ID, (const unsigned char *)&keyring_id, sizeof(keyring_id));
TFE_PROXY_STAT_INCREASE(STAT_FD_OPEN_BY_KNI_ACCEPT, 2);
if (tfe_proxy_fds_accept(__ctx->proxy, __fds[0], __fds[1], __tfe_cmsg) < 0)
if (tfe_proxy_fds_accept(__ctx->proxy, __fds[0], __fds[1], 0, 0, __tfe_cmsg) < 0)
{
goto __drop_recieved_fds;
}

View File

@@ -120,7 +120,7 @@ void acceptor_kni_v2_event(evutil_socket_t fd, short what, void * user)
}
TFE_PROXY_STAT_INCREASE(STAT_FD_OPEN_BY_KNI_ACCEPT, 2);
if (tfe_proxy_fds_accept(__ctx->proxy, __fds[0], __fds[1], cmsg) < 0)
if (tfe_proxy_fds_accept(__ctx->proxy, __fds[0], __fds[1], 0, 0, cmsg) < 0)
{
goto __drop_recieved_fds;
}

View File

@@ -19,7 +19,7 @@ struct acceptor_kni_v3
{
struct tfe_proxy *proxy;
const char *profile;
char device[IFNAMSIZ];
struct nfq_handle *h;
struct nfq_q_handle *qh;
int fd_nfq_socket;
@@ -285,6 +285,8 @@ static int payload_handler_cb(struct nfq_q_handle *qh, struct nfgenmsg *nfmsg, s
int ret = 0;
int fd_downstream = 0;
int fd_upstream = 0;
int fd_fake_c = 0;
int fd_fake_s = 0;
int hit_tcpopt = 0;
uint16_t cmsg_offset = 0;
uint8_t restore_opt_len = 0;
@@ -404,7 +406,7 @@ static int payload_handler_cb(struct nfq_q_handle *qh, struct nfgenmsg *nfmsg, s
tfe_tcp_restore_info_dump(&restore_info);
// tcp repair C2S
fd_upstream = tfe_tcp_restore_fd_create(&(restore_info.client), &(restore_info.server));
fd_upstream = tfe_tcp_restore_fd_create(&(restore_info.client), &(restore_info.server), __ctx->device, 0x65);
if (fd_upstream < 0)
{
TFE_LOG_ERROR(g_default_logger, "Failed at tcp_restore_fd_create(UPSTREAM)");
@@ -412,20 +414,37 @@ static int payload_handler_cb(struct nfq_q_handle *qh, struct nfgenmsg *nfmsg, s
}
// tcp repair S2C
fd_downstream = tfe_tcp_restore_fd_create(&(restore_info.server), &(restore_info.client));
fd_downstream = tfe_tcp_restore_fd_create(&(restore_info.server), &(restore_info.client), __ctx->device, 0x65);
if (fd_downstream < 0)
{
TFE_LOG_ERROR(g_default_logger, "Failed at tcp_restore_fd_create(DOWNSTREAM)");
goto end;
}
if (__ctx->proxy->traffic_steering_options.enable)
{
fd_fake_c = tfe_tcp_restore_fd_create(&(restore_info.client), &(restore_info.server), __ctx->proxy->traffic_steering_options.device_client, __ctx->proxy->traffic_steering_options.so_mask_client);
if (fd_fake_c < 0)
{
TFE_LOG_ERROR(g_default_logger, "Failed at tcp_restore_fd_create(fd_fake_c)");
goto end;
}
fd_fake_s = tfe_tcp_restore_fd_create(&(restore_info.server), &(restore_info.client), __ctx->proxy->traffic_steering_options.device_server, __ctx->proxy->traffic_steering_options.so_mask_server);
if (fd_fake_s < 0)
{
TFE_LOG_ERROR(g_default_logger, "Failed at tcp_restore_fd_create(fd_fake_s)");
goto end;
}
}
if (tfe_cmsg_deserialize((const unsigned char *)restore_info.cmsg, restore_info.cmsg_len, &cmsg) < 0)
{
TFE_LOG_ERROR(g_default_logger, "Failed at tfe_cmsg_deserialize()");
goto end;
}
if (tfe_proxy_fds_accept(__ctx->proxy, fd_downstream, fd_upstream, cmsg) < 0)
if (tfe_proxy_fds_accept(__ctx->proxy, fd_downstream, fd_upstream, fd_fake_c, fd_fake_s, cmsg) < 0)
{
TFE_LOG_ERROR(g_default_logger, "Failed at tfe_proxy_fds_accept()");
goto end;
@@ -556,6 +575,7 @@ struct acceptor_kni_v3 *acceptor_kni_v3_create(struct tfe_proxy *proxy, const ch
__ctx->proxy = proxy;
__ctx->profile = profile;
MESA_load_profile_string_def(profile, "nfq", "device", __ctx->device, sizeof(__ctx->device), "tap0");
MESA_load_profile_uint_def(profile, "nfq", "queue_id", &(__ctx->queue_id), 1);
MESA_load_profile_uint_def(profile, "nfq", "queue_maxlen", &(__ctx->queue_maxlen), 65535);
MESA_load_profile_uint_def(profile, "nfq", "queue_rcvbufsiz", &(__ctx->queue_rcvbufsiz), 98302500);

View File

@@ -155,7 +155,7 @@ int tfe_thread_set_affinity(int core_id)
return pthread_setaffinity_np(pthread_self(), sizeof(cpu_set_t), &cpuset);
}
int tfe_proxy_fds_accept(struct tfe_proxy * ctx, int fd_downstream, int fd_upstream, struct tfe_cmsg * cmsg)
int tfe_proxy_fds_accept(struct tfe_proxy *ctx, int fd_downstream, int fd_upstream, int fd_fake_c, int fd_fake_s, struct tfe_cmsg *cmsg)
{
struct tfe_thread_ctx * worker_thread_ctx = tfe_proxy_thread_ctx_acquire(ctx);
struct tfe_stream * stream = tfe_stream_create(ctx, worker_thread_ctx);
@@ -203,7 +203,7 @@ int tfe_proxy_fds_accept(struct tfe_proxy * ctx, int fd_downstream, int fd_upstr
TFE_LOG_DEBUG(ctx->logger, "%p: fetch tcp options: cmsg's tcp_passthrough: %d, conf's tcp_passthrough: %d, enalbe passthrough: %d",
stream, tcp_passthrough, ctx->tcp_all_passthrough, (ctx->tcp_all_passthrough > 0 || tcp_passthrough > 0) ? 1 : 0);
result = tfe_stream_init_by_fds(stream, fd_downstream, fd_upstream);
result = tfe_stream_init_by_fds(stream, fd_downstream, fd_upstream, fd_fake_c, fd_fake_s);
if (result < 0)
{
TFE_LOG_ERROR(ctx->logger, "%p, Fds(downstream = %d, upstream = %d, type = %d) accept failed.",
@@ -430,7 +430,13 @@ int tfe_proxy_config(struct tfe_proxy * proxy, const char * profile)
MESA_load_profile_int_def(profile, "tcp", "tcp_ttl_upstream", &proxy->tcp_options.tcp_ttl_upstream, -1);
MESA_load_profile_int_def(profile, "tcp", "tcp_ttl_downstream", &proxy->tcp_options.tcp_ttl_downstream, -1);
return 0;
MESA_load_profile_int_def(profile, "traffic_steering", "enable", &proxy->traffic_steering_options.enable, 0);
MESA_load_profile_int_def(profile, "traffic_steering", "so_mask_client", &proxy->traffic_steering_options.so_mask_client, 0x11);
MESA_load_profile_int_def(profile, "traffic_steering", "so_mask_server", &proxy->traffic_steering_options.so_mask_server, 0x22);
MESA_load_profile_string_def(profile, "traffic_steering", "device_client", proxy->traffic_steering_options.device_client, sizeof(proxy->traffic_steering_options.device_client), "eth_client");
MESA_load_profile_string_def(profile, "traffic_steering", "device_server", proxy->traffic_steering_options.device_server, sizeof(proxy->traffic_steering_options.device_server), "eth_server");
return 0;
}
static const char * __str_stat_spec_map[] =

View File

@@ -583,13 +583,48 @@ static void __stream_bev_readcb(struct bufferevent * bev, void * arg)
{
struct tfe_stream_private * _stream = (struct tfe_stream_private *) arg;
enum tfe_conn_dir dir = __bev_dir(_stream, bev);
struct tfe_conn_private * this_conn = NULL;
struct tfe_conn_private * peer_conn = NULL;
struct evbuffer * inbuf = NULL;
struct evbuffer * outbuf = NULL;
UNUSED struct tfe_conn_private * this_conn = __this_conn(_stream, dir);
struct tfe_conn_private * peer_conn = __peer_conn(_stream, dir);
if (_stream->proxy_ref->traffic_steering_options.enable)
{
if (bev == _stream->conn_downstream->bev)
{
this_conn = _stream->conn_downstream;
peer_conn = _stream->conn_fake_c;
}
else if (bev == _stream->conn_upstream->bev)
{
this_conn = _stream->conn_upstream;
peer_conn = _stream->conn_fake_s;
}
else
{
assert(0);
}
inbuf = bufferevent_get_input(bev);
int data_len = evbuffer_get_length(inbuf);
outbuf = bufferevent_get_output(peer_conn->bev);
assert(inbuf != NULL && outbuf != NULL);
evbuffer_add_buffer(outbuf, inbuf);
// TODO 增加计数
TFE_LOG_DEBUG(__STREAM_LOGGER(_stream), "decrypted traffic steering, send %d bytes form %s to %s",
data_len, bev == _stream->conn_downstream->bev ? "conn_downstream" : "conn_upstream",
bev == _stream->conn_downstream->bev ? "conn_fake_c" : "conn_fake_s");
return;
}
this_conn = __this_conn(_stream, dir);
peer_conn = __peer_conn(_stream, dir);
/* Peer connection is terminated, drain all data.
* This connection will be destoryed in __event_cb */
struct evbuffer * inbuf = bufferevent_get_input(bev);
inbuf = bufferevent_get_input(bev);
size_t contigous_len = evbuffer_get_length(inbuf);
if (peer_conn == NULL)
{
@@ -603,7 +638,7 @@ static void __stream_bev_readcb(struct bufferevent * bev, void * arg)
_stream->is_first_call_rxcb = 1;
}
struct evbuffer * outbuf = bufferevent_get_output(peer_conn->bev);
outbuf = bufferevent_get_output(peer_conn->bev);
assert(inbuf != NULL && outbuf != NULL);
enum tfe_stream_action action_tmp = ACTION_FORWARD_DATA;
@@ -737,6 +772,14 @@ static void __stream_bev_writecb(struct bufferevent * bev, void * arg)
struct tfe_conn_private ** ref_this_conn{};
struct tfe_conn_private ** ref_peer_conn{};
struct ssl_stream ** ref_this_ssl_stream{};
if (_stream->proxy_ref->traffic_steering_options.enable)
{
// TODO 增加计数
TFE_LOG_DEBUG(__STREAM_LOGGER(_stream), "decrypted traffic steering, %s run writecb", bev == _stream->conn_downstream->bev ? "conn_downstream" : "conn_upstream");
return;
}
enum tfe_conn_dir conn_dir = __bev_dir(_stream, bev);
if (conn_dir == CONN_DIR_UPSTREAM)
@@ -793,6 +836,13 @@ static void __stream_bev_eventcb(struct bufferevent * bev, short events, void *
enum tfe_conn_dir peer_conn_dir{};
size_t rx_offset = 0;
if (_stream->proxy_ref->traffic_steering_options.enable)
{
// TODO 增加计数
TFE_LOG_DEBUG(__STREAM_LOGGER(_stream), "decrypted traffic steering, %s run eventcb", bev == _stream->conn_downstream->bev ? "conn_downstream" : "conn_upstream");
return;
}
if (__bev_dir(_stream, bev) == CONN_DIR_UPSTREAM)
{
ref_this_conn = &_stream->conn_upstream;
@@ -976,6 +1026,200 @@ __errout:
return NULL;
}
static void __steering_stream_bev_readcb(struct bufferevent * bev, void * arg)
{
struct tfe_stream_private * _stream = (struct tfe_stream_private *) arg;
struct tfe_conn_private * peer_conn = NULL;
if (bev == _stream->conn_fake_c->bev)
{
peer_conn = _stream->conn_downstream;
}
else if (bev == _stream->conn_fake_s->bev)
{
peer_conn = _stream->conn_upstream;
}
else
{
assert(0);
}
struct evbuffer * __input_buffer = bufferevent_get_input(bev);
if (peer_conn == NULL)
{
evbuffer_drain(__input_buffer, evbuffer_get_length(__input_buffer));
return;
}
// TODO 增加计数
TFE_LOG_DEBUG(__STREAM_LOGGER(_stream), "decrypted traffic steering, send %d bytes form %s to %s",
evbuffer_get_length(__input_buffer), bev == _stream->conn_fake_c->bev ? "conn_fake_c" : "conn_fake_s",
bev == _stream->conn_fake_c->bev ? "conn_downstream" : "conn_upstream"
);
struct evbuffer * __output_buffer = bufferevent_get_output(peer_conn->bev);
evbuffer_add_buffer(__output_buffer, __input_buffer);
}
static void __steering_stream_bev_writecb(struct bufferevent * bev, void * arg)
{
struct tfe_stream_private * _stream = (struct tfe_stream_private *) arg;
struct tfe_conn_private ** ref_this_conn{};
struct tfe_conn_private ** ref_peer_conn{};
if (bev == _stream->conn_fake_c->bev)
{
ref_this_conn = &_stream->conn_fake_c;
ref_peer_conn = &_stream->conn_downstream;
}
else if (bev == _stream->conn_fake_s->bev)
{
ref_this_conn = &_stream->conn_fake_s;
ref_peer_conn = &_stream->conn_upstream;
}
else
{
assert(0);
}
TFE_LOG_DEBUG(__STREAM_LOGGER(_stream), "decrypted traffic steering, %s run write cb", bev == _stream->conn_fake_c->bev ? "conn_fake_c" : "conn_fake_s");
struct evbuffer * __output_buffer = bufferevent_get_output(bev);
assert(__output_buffer != NULL);
// TODO 资源释放
// TODO 资源释放
// TODO 资源释放
// TODO 资源释放
if (*ref_peer_conn == NULL && evbuffer_get_length(__output_buffer) == 0)
{
__conn_private_destory(*ref_this_conn);
*ref_this_conn = NULL;
}
if (*ref_peer_conn == NULL && *ref_this_conn == NULL)
{
// TODO call_plugin_close(_stream);
tfe_stream_destory(_stream);
}
}
static void __steering_stream_bev_eventcb(struct bufferevent *bev, short events, void *arg)
{
struct tfe_stream_private *_stream = (struct tfe_stream_private *)arg;
struct tfe_conn_private **ref_this_conn{};
struct tfe_conn_private **ref_peer_conn{};
if (bev == _stream->conn_fake_c->bev)
{
ref_this_conn = &_stream->conn_fake_c;
ref_peer_conn = &_stream->conn_downstream;
}
else if (bev == _stream->conn_fake_s->bev)
{
ref_this_conn = &_stream->conn_fake_s;
ref_peer_conn = &_stream->conn_upstream;
}
else
{
assert(0);
}
TFE_LOG_DEBUG(__STREAM_LOGGER(_stream), "decrypted traffic steering, %s run event cb", bev == _stream->conn_fake_c->bev ? "conn_fake_c" : "conn_fake_s");
if (events & BEV_EVENT_ERROR || events & BEV_EVENT_EOF)
{
if (evbuffer_get_length(bufferevent_get_input(bev)))
{
__steering_stream_bev_readcb(bev, arg);
}
if (events & BEV_EVENT_ERROR)
{
unsigned long err;
while ((err = (bufferevent_get_openssl_error(bev))))
{
const char *msg = (const char *)ERR_reason_error_string(err);
const char *lib = (const char *)ERR_lib_error_string(err);
const char *func = (const char *)ERR_func_error_string(err);
TFE_LOG_INFO(g_default_logger, "%s connection error, bufferevent_get_openssl_error() = %lu: %s %s %s", _stream->str_stream_addr, err, lib, func, msg);
}
if (errno)
{
TFE_LOG_INFO(g_default_logger, "%s connection error, errno = %d, %s", _stream->str_stream_addr, errno, strerror(errno));
}
}
goto __close_connection;
}
return;
__close_connection:
// TODO 资源释放
// TODO 资源释放
// TODO 资源释放
// TODO 资源释放
if (*ref_peer_conn != NULL)
{
struct bufferevent *__peer_bev = (*ref_peer_conn)->bev;
struct evbuffer *__peer_output_buffer = bufferevent_get_output(__peer_bev);
if (evbuffer_get_length(__peer_output_buffer) == 0)
{
__conn_private_destory(*ref_peer_conn);
*ref_peer_conn = NULL;
}
}
if (*ref_this_conn != NULL)
{
__conn_private_destory(*ref_this_conn);
*ref_this_conn = NULL;
}
if (*ref_this_conn == NULL && *ref_peer_conn == NULL)
{
// TODO call_plugin_close(_stream);
tfe_stream_destory(_stream);
}
return;
}
static tfe_conn_private *__conn_private_create_by_fake_fd(struct tfe_stream_private *stream, evutil_socket_t fd)
{
struct tfe_conn_private *__conn_private = ALLOC(struct tfe_conn_private, 1);
__conn_private->fd = fd;
__conn_private->_stream_ref = stream;
__conn_private->bev = bufferevent_socket_new(stream->thread_ref->evbase, fd, BEV_OPT_DEFER_CALLBACKS | BEV_OPT_THREADSAFE);
if (!__conn_private->bev)
{
TFE_LOG_ERROR(__STREAM_LOGGER(stream), "Failed at creating bufferevent for fd %d", fd);
goto __errout;
}
bufferevent_disable(__conn_private->bev, EV_READ | EV_WRITE);
bufferevent_setcb(__conn_private->bev, __steering_stream_bev_readcb, __steering_stream_bev_writecb, __steering_stream_bev_eventcb, stream);
if (stream->proxy_ref->en_rate_limit)
{
conn_private_ratelimit_setup(__conn_private, &stream->proxy_ref->rate_limit_options);
}
return __conn_private;
__errout:
if (__conn_private != NULL)
{
free(__conn_private);
}
return NULL;
}
void __conn_private_enable(struct tfe_conn_private * conn_private)
{
assert(conn_private != NULL && conn_private->bev != NULL);
@@ -1007,6 +1251,12 @@ void ssl_downstream_create_on_success(future_result_t * result, void * user)
__conn_private_enable(_stream->conn_downstream);
__conn_private_enable(_stream->conn_upstream);
if (_stream->proxy_ref->traffic_steering_options.enable)
{
__conn_private_enable(_stream->conn_fake_c);
__conn_private_enable(_stream->conn_fake_s);
}
return;
}
@@ -1183,6 +1433,28 @@ void tfe_stream_destory(struct tfe_stream_private * stream)
__conn_private_destory(stream->conn_downstream);
}
if (stream->conn_fake_c)
{
assert(stream->fd_fake_c <= 0);
__conn_private_destory(stream->conn_fake_c);
}
if (stream->conn_fake_s)
{
assert(stream->fd_fake_s <= 0);
__conn_private_destory(stream->conn_fake_s);
}
if (stream->fd_fake_c)
{
evutil_closesocket(stream->fd_fake_c);
}
if (stream->fd_fake_s)
{
evutil_closesocket(stream->fd_fake_s);
}
if (stream->defer_fd_downstream)
{
evutil_closesocket(stream->defer_fd_downstream);
@@ -1458,7 +1730,7 @@ void __stream_fd_option_setup(struct tfe_stream_private * _stream, evutil_socket
}
int tfe_stream_init_by_fds(struct tfe_stream * stream, evutil_socket_t fd_downstream, evutil_socket_t fd_upstream)
int tfe_stream_init_by_fds(struct tfe_stream * stream, evutil_socket_t fd_downstream, evutil_socket_t fd_upstream, evutil_socket_t fd_fake_c, evutil_socket_t fd_fake_s)
{
struct tfe_stream_private * _stream = container_of(stream, struct tfe_stream_private, head);
@@ -1466,6 +1738,8 @@ int tfe_stream_init_by_fds(struct tfe_stream * stream, evutil_socket_t fd_downst
_stream->defer_fd_upstream = fd_upstream;
_stream->log_fd_downstream = fd_downstream;
_stream->log_fd_upstream = fd_upstream;
_stream->fd_fake_c = fd_fake_c;
_stream->fd_fake_s = fd_fake_s;
_stream->head.addr = tfe_stream_addr_create_by_fd(fd_downstream, CONN_DIR_DOWNSTREAM);
if (unlikely(_stream->head.addr == NULL))
@@ -1480,6 +1754,35 @@ int tfe_stream_init_by_fds(struct tfe_stream * stream, evutil_socket_t fd_downst
__stream_fd_option_setup(_stream, fd_downstream, CONN_DIR_DOWNSTREAM);
__stream_fd_option_setup(_stream, fd_upstream, CONN_DIR_UPSTREAM);
if (_stream->proxy_ref->traffic_steering_options.enable)
{
__stream_fd_option_setup(_stream, fd_fake_s, CONN_DIR_DOWNSTREAM);
__stream_fd_option_setup(_stream, fd_fake_c, CONN_DIR_UPSTREAM);
_stream->conn_fake_s = __conn_private_create_by_fake_fd(_stream, fd_fake_s);
if (_stream->conn_fake_s == NULL)
{
goto __errout;
}
_stream->fd_fake_s = 0;
_stream->conn_fake_c = __conn_private_create_by_fake_fd(_stream, fd_fake_c);
if (_stream->conn_fake_c == NULL)
{
goto __errout;
}
_stream->fd_fake_c = 0;
assert(_stream->conn_fake_s != NULL);
assert(_stream->conn_fake_c != NULL);
// enable on upsteam and downsteam success
// __conn_private_enable(_stream->conn_fake_s);
// __conn_private_enable(_stream->conn_fake_c);
// TFE_PROXY_STAT_INCREASE(STAT_STREAM_STEERING, 1);
}
if (_stream->session_type == STREAM_PROTO_PLAIN)
{
_stream->conn_downstream = __conn_private_create_by_fd(_stream, fd_downstream);
@@ -1508,6 +1811,12 @@ int tfe_stream_init_by_fds(struct tfe_stream * stream, evutil_socket_t fd_downst
__conn_private_enable(_stream->conn_downstream);
__conn_private_enable(_stream->conn_upstream);
if (_stream->proxy_ref->traffic_steering_options.enable)
{
__conn_private_enable(_stream->conn_fake_s);
__conn_private_enable(_stream->conn_fake_c);
}
TFE_PROXY_STAT_INCREASE(STAT_STREAM_TCP_PLAIN, 1);
}
@@ -1525,6 +1834,7 @@ int tfe_stream_init_by_fds(struct tfe_stream * stream, evutil_socket_t fd_downst
TFE_PROXY_STAT_INCREASE(STAT_STREAM_TCP_SSL, 1);
}
return 0;
__errout: