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replace strncpy with strlcpy in wifi examples for safety's sake

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This commit is contained in:
suda-morris 2019-06-11 15:46:02 +08:00
parent e20b37aff9
commit d156f0fc0f
4 changed files with 11 additions and 13 deletions
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3
examples/provisioning/custom_config/main/app_prov.c
View File

@ -302,8 +302,7 @@ static esp_err_t start_wifi_ap(const char *ssid, const char *pass)
},
};
strncpy((char *) wifi_config.ap.ssid, ssid, sizeof(wifi_config.ap.ssid));
wifi_config.ap.ssid_len = strnlen(ssid, sizeof(wifi_config.ap.ssid));
strlcpy((char *) wifi_config.ap.ssid, ssid, sizeof(wifi_config.ap.ssid));
if (strlen(pass) == 0) {
memset(wifi_config.ap.password, 0, sizeof(wifi_config.ap.password));

3
examples/provisioning/softap_prov/main/app_prov.c
View File

@ -288,8 +288,7 @@ static esp_err_t start_wifi_ap(const char *ssid, const char *pass)
},
};
strncpy((char *) wifi_config.ap.ssid, ssid, sizeof(wifi_config.ap.ssid));
wifi_config.ap.ssid_len = strnlen(ssid, sizeof(wifi_config.ap.ssid));
strlcpy((char *) wifi_config.ap.ssid, ssid, sizeof(wifi_config.ap.ssid));
if (strlen(pass) == 0) {
memset(wifi_config.ap.password, 0, sizeof(wifi_config.ap.password));

6
examples/system/console/main/cmd_wifi.c
View File

@ -26,7 +26,7 @@ static EventGroupHandle_t wifi_event_group;
const int CONNECTED_BIT = BIT0;
static void event_handler(void* arg, esp_event_base_t event_base,
static void event_handler(void* arg, esp_event_base_t event_base,
int32_t event_id, void* event_data)
{
if (event_base == WIFI_EVENT && event_id == WIFI_EVENT_STA_DISCONNECTED) {
@ -61,9 +61,9 @@ static bool wifi_join(const char *ssid, const char *pass, int timeout_ms)
{
initialise_wifi();
wifi_config_t wifi_config = { 0 };
strncpy((char *) wifi_config.sta.ssid, ssid, sizeof(wifi_config.sta.ssid));
strlcpy((char *) wifi_config.sta.ssid, ssid, sizeof(wifi_config.sta.ssid));
if (pass) {
strncpy((char *) wifi_config.sta.password, pass, sizeof(wifi_config.sta.password));
strlcpy((char *) wifi_config.sta.password, pass, sizeof(wifi_config.sta.password));
}
ESP_ERROR_CHECK( esp_wifi_set_mode(WIFI_MODE_STA) );

12
examples/wifi/iperf/main/cmd_wifi.c
View File

@ -53,7 +53,7 @@ static EventGroupHandle_t wifi_event_group;
const int CONNECTED_BIT = BIT0;
const int DISCONNECTED_BIT = BIT1;
static void scan_done_handler(void* arg, esp_event_base_t event_base,
static void scan_done_handler(void* arg, esp_event_base_t event_base,
int32_t event_id, void* event_data)
{
uint16_t sta_number = 0;
@ -76,14 +76,14 @@ static void scan_done_handler(void* arg, esp_event_base_t event_base,
ESP_LOGI(TAG, "sta scan done");
}
static void got_ip_handler(void* arg, esp_event_base_t event_base,
static void got_ip_handler(void* arg, esp_event_base_t event_base,
int32_t event_id, void* event_data)
{
xEventGroupClearBits(wifi_event_group, DISCONNECTED_BIT);
xEventGroupSetBits(wifi_event_group, CONNECTED_BIT);
}
static void disconnect_handler(void* arg, esp_event_base_t event_base,
static void disconnect_handler(void* arg, esp_event_base_t event_base,
int32_t event_id, void* event_data)
{
if (reconnect) {
@ -128,7 +128,7 @@ static bool wifi_cmd_sta_join(const char* ssid, const char* pass)
strlcpy((char*) wifi_config.sta.ssid, ssid, sizeof(wifi_config.sta.ssid));
if (pass) {
strncpy((char*) wifi_config.sta.password, pass, sizeof(wifi_config.sta.password));
strlcpy((char*) wifi_config.sta.password, pass, sizeof(wifi_config.sta.password));
}
if (bits & CONNECTED_BIT) {
@ -205,14 +205,14 @@ static bool wifi_cmd_ap_set(const char* ssid, const char* pass)
};
reconnect = false;
strncpy((char*) wifi_config.ap.ssid, ssid, sizeof(wifi_config.ap.ssid));
strlcpy((char*) wifi_config.ap.ssid, ssid, sizeof(wifi_config.ap.ssid));
if (pass) {
if (strlen(pass) != 0 && strlen(pass) < 8) {
reconnect = true;
ESP_LOGE(TAG, "password less than 8");
return false;
}
strncpy((char*) wifi_config.ap.password, pass, sizeof(wifi_config.ap.password));
strlcpy((char*) wifi_config.ap.password, pass, sizeof(wifi_config.ap.password));
}
if (strlen(pass) == 0) {