Set SOCKET_CLOEXEC on the sockets returned by accept. This ensures that
the socket is unavailable to any child process created by system().
Making it harder for malicious code to set up a command channel,
as seen in the exploit for CVE-2015-0240
Signed-off-by: Gary Lockyer <gary@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
tevent_req_error(req, errno);
return;
}
+ smb_set_close_on_exec(state->listen_sock);
state->sock = ret;
tevent_req_done(req);
}