extmod/modussl_mbedtls.c: Add ussl.getpeercert() method.

Behaviour is as per CPython but only the binary form is implemented here.
A test is included.
crypto-aes
Eric Poulsen 6 years ago committed by Damien George
parent ace9fb5405
commit d5191edf7f

@ -34,6 +34,7 @@
#include "py/nlr.h"
#include "py/runtime.h"
#include "py/stream.h"
#include "py/obj.h"
// mbedtls_time_t
#include "mbedtls/platform.h"
@ -189,6 +190,16 @@ STATIC mp_obj_ssl_socket_t *socket_new(mp_obj_t sock, struct ssl_args *args) {
return o;
}
STATIC mp_obj_t mod_ssl_getpeercert(mp_obj_t o_in, mp_obj_t binary_form) {
mp_obj_ssl_socket_t *o = MP_OBJ_TO_PTR(o_in);
if (!mp_obj_is_true(binary_form)) {
mp_raise_NotImplementedError(NULL);
}
const mbedtls_x509_crt* peer_cert = mbedtls_ssl_get_peer_cert(&o->ssl);
return mp_obj_new_bytes(peer_cert->raw.p, peer_cert->raw.len);
}
STATIC MP_DEFINE_CONST_FUN_OBJ_2(mod_ssl_getpeercert_obj, mod_ssl_getpeercert);
STATIC void socket_print(const mp_print_t *print, mp_obj_t self_in, mp_print_kind_t kind) {
(void)kind;
mp_obj_ssl_socket_t *self = MP_OBJ_TO_PTR(self_in);
@ -259,6 +270,7 @@ STATIC const mp_rom_map_elem_t ussl_socket_locals_dict_table[] = {
{ MP_ROM_QSTR(MP_QSTR_write), MP_ROM_PTR(&mp_stream_write_obj) },
{ MP_ROM_QSTR(MP_QSTR_setblocking), MP_ROM_PTR(&socket_setblocking_obj) },
{ MP_ROM_QSTR(MP_QSTR_close), MP_ROM_PTR(&socket_close_obj) },
{ MP_ROM_QSTR(MP_QSTR_getpeercert), MP_ROM_PTR(&mod_ssl_getpeercert_obj) },
};
STATIC MP_DEFINE_CONST_DICT(ussl_socket_locals_dict, ussl_socket_locals_dict_table);

@ -0,0 +1,21 @@
# test ssl.getpeercert() method
try:
import usocket as socket
import ussl as ssl
except:
import socket
import ssl
def test(peer_addr):
s = socket.socket()
s.connect(peer_addr)
s = ssl.wrap_socket(s)
cert = s.getpeercert(True)
print(type(cert), len(cert) > 100)
s.close()
if __name__ == "__main__":
test(socket.getaddrinfo('micropython.org', 443)[0][-1])
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