1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
|
# test ssl verify_callback
import io
import socket
import tls
def verify_callback(cert, depth):
print("verify_callback:", type(cert), len(cert) > 100, depth)
return 0
def verify_callback_fail(cert, depth):
print("verify_callback_fail:", type(cert), len(cert) > 100, depth)
return 1
def test(peer_addr):
context = tls.SSLContext(tls.PROTOCOL_TLS_CLIENT)
context.verify_mode = tls.CERT_OPTIONAL
context.verify_callback = verify_callback
s = socket.socket()
s.connect(peer_addr)
s = context.wrap_socket(s)
s.close()
context.verify_callback = verify_callback_fail
s = socket.socket()
s.connect(peer_addr)
try:
s = context.wrap_socket(s)
except OSError as e:
print(e.args[1])
if __name__ == "__main__":
test(socket.getaddrinfo("micropython.org", 443)[0][-1])
|
