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esp_tls: Add warning if the CA chain provided contains one/more invalid

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This commit is contained in:
Aditya Patwardhan 2020-12-31 13:42:15 +05:30 committed by bot
parent 66ac736a8c
commit 0841d2bc75
1 changed files with 5 additions and 0 deletions
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5
components/esp-tls/esp_tls_mbedtls.c
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@ -275,6 +275,11 @@ static esp_err_t set_ca_cert(esp_tls_t *tls, const unsigned char *cacert, size_t
ESP_INT_EVENT_TRACKER_CAPTURE(tls->error_handle, ESP_TLS_ERR_TYPE_MBEDTLS, -ret);
return ESP_ERR_MBEDTLS_X509_CRT_PARSE_FAILED;
}
if (ret > 0) {
/* This will happen if the CA chain contains one or more invalid certs, going ahead as the hadshake
* may still succeed if the other certificates in the CA chain are enough for the authentication */
ESP_LOGW(TAG, "mbedtls_x509_crt_parse was partly successful. No. of failed certificates: %d", ret);
}
mbedtls_ssl_conf_authmode(&tls->conf, MBEDTLS_SSL_VERIFY_REQUIRED);
mbedtls_ssl_conf_ca_chain(&tls->conf, tls->cacert_ptr, NULL);
return ESP_OK;