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BUG/MINOR: proto_reverse_connect: fix FD leak upon connect 

new_reverse_conn() is creating its own socket with
sock_create_server_socket(). However the connect is done with
conn->ctrl->connect() which is tcp_connect_server().

tcp_connect_server() is also creating its own socket and sets it in the
struct conn, left the previous socket unclosed and leaking at each
attempt.

This patch fixes the issue by letting tcp_connect_server() handling the
socket part, and removes it in new_reverse_conn().
This commit is contained in:
William Lallemand 2023-09-30 00:53:43 +02:00
parent c58fd4d1cc
commit c21ec3b735
1 changed files with 0 additions and 5 deletions
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5
src/proto_reverse_connect.c
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@ -68,11 +68,6 @@ static struct connection *new_reverse_conn(struct listener *l, struct server *sr
if (conn_prepare(conn, protocol_lookup(conn->dst->ss_family, PROTO_TYPE_STREAM, 0), srv->xprt))
goto err;
/* TODO simplification of tcp_connect_server() */
conn->handle.fd = sock_create_server_socket(conn);
if (fd_set_nonblock(conn->handle.fd) == -1)
goto err;
if (conn->ctrl->connect(conn, 0) != SF_ERR_NONE)
goto err;