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author | Guido van Rossum <guido@python.org> | 1997-07-19 21:29:28 +0000 |
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committer | Guido van Rossum <guido@python.org> | 1997-07-19 21:29:28 +0000 |
commit | be77f9608449f98fae53e7a154564b78b600ab3a (patch) | |
tree | 6c579afc9b45332c5ff3c533c63437c64b302ac3 /Demo/pysvr/pysvr.py | |
parent | 0f83ba553a2dc8262986960e64999cd49d075017 (diff) | |
download | cpython-be77f9608449f98fae53e7a154564b78b600ab3a.tar.gz |
Reformulate security check using getsockname().
Diffstat (limited to 'Demo/pysvr/pysvr.py')
-rwxr-xr-x | Demo/pysvr/pysvr.py | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/Demo/pysvr/pysvr.py b/Demo/pysvr/pysvr.py index 329909b686..a62fc5c013 100755 --- a/Demo/pysvr/pysvr.py +++ b/Demo/pysvr/pysvr.py @@ -48,14 +48,15 @@ def main_thread(port): print "Listening on port", port, "..." while 1: (conn, addr) = sock.accept() + if addr[0] != conn.getsockname()[0]: + conn.close() + print "Refusing connection from non-local host", addr[0], "." + continue thread.start_new_thread(service_thread, (conn, addr)) del conn, addr def service_thread(conn, addr): (caddr, cport) = addr - if caddr != socket.gethostbyname(socket.gethostname()): - print "Connection from", caddr, "not accepted." - return print "Thread %s has connection from %s.\n" % (str(thread.get_ident()), caddr), stdin = conn.makefile("r") |