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fix(esp-tls): guard against NULL PSK hint to prevent crash

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This commit is contained in:
Ashish Sharma
2026-06-30 14:26:19 +08:00
parent fdb5e07768
commit 5d299793cf
1 changed files with 8 additions and 0 deletions
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8
components/esp-tls/esp_tls_mbedtls.c
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@@ -825,6 +825,10 @@ static esp_err_t set_server_config(esp_tls_cfg_server_t *cfg, esp_tls_t *tls)
#if defined(CONFIG_ESP_TLS_PSK_VERIFICATION)
} else if (cfg->psk_hint_key) {
ESP_LOGD(TAG, "PSK authentication");
if (cfg->psk_hint_key->hint == NULL) {
ESP_LOGE(TAG, "Failed to use psk_hint_key");
return ESP_ERR_MBEDTLS_SSL_CONF_PSK_FAILED;
}
ret = mbedtls_ssl_conf_psk(&tls->conf, cfg->psk_hint_key->key, cfg->psk_hint_key->key_size,
(const unsigned char *)cfg->psk_hint_key->hint, strlen(cfg->psk_hint_key->hint));
if (ret != 0) {
@@ -979,6 +983,10 @@ esp_err_t set_client_config(const char *hostname, size_t hostlen, esp_tls_cfg_t
//
// PSK encryption mode is configured only if no certificate supplied and psk pointer not null
ESP_LOGD(TAG, "ssl psk authentication");
if (cfg->psk_hint_key->hint == NULL) {
ESP_LOGE(TAG, "Failed to use psk_hint_key");
return ESP_ERR_MBEDTLS_SSL_CONF_PSK_FAILED;
}
ret = mbedtls_ssl_conf_psk(&tls->conf, cfg->psk_hint_key->key, cfg->psk_hint_key->key_size,
(const unsigned char *)cfg->psk_hint_key->hint, strlen(cfg->psk_hint_key->hint));
if (ret != 0) {