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Badge.team validation #18

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10 changes: 5 additions & 5 deletions extmod/modussl_mbedtls.c
Original file line number Diff line number Diff line change
Expand Up @@ -147,19 +147,19 @@ STATIC mp_obj_ssl_socket_t *socket_new(mp_obj_t sock, struct ssl_args *args) {
mp_raise_OSError(MP_EIO);
}

bool sha2017_subdomain = false;
bool badge_team_domain = false;
if (args->server_hostname.u_obj != mp_const_none) {
const char *sni = mp_obj_str_get_str(args->server_hostname.u_obj);
char *ptr;
sha2017_subdomain = ((ptr = strcasestr(sni, ".sha2017.org")) != NULL && ptr[12] == 0);
if (sha2017_subdomain) {
badge_team_domain = ((ptr = strcasestr(sni, "badge.team")) != NULL && ptr[10] == 0);
if (badge_team_domain) {
printf("Validating certificate for: %s\n", sni);
} else {
printf("Warning: %s SSL certificate is not validated\n", sni);
}
}

if (sha2017_subdomain) {
if (badge_team_domain) {
ret = mbedtls_x509_crt_parse_der(&o->cacert, letsencrypt, 856);
if(ret < 0) {
char errstr[256];
Expand All @@ -182,7 +182,7 @@ STATIC mp_obj_ssl_socket_t *socket_new(mp_obj_t sock, struct ssl_args *args) {
mp_raise_OSError(MP_EIO);
}

if (sha2017_subdomain) {
if (badge_team_domain) {
mbedtls_ssl_conf_authmode(&o->conf, MBEDTLS_SSL_VERIFY_REQUIRED);
mbedtls_ssl_conf_ca_chain(&o->conf, &o->cacert, NULL);
} else {
Expand Down