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wpa_supplicant: Make hexdump logs more compact

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When running with wpa debug prints enabled data/key hexdumps are
printed to the log in a really verbose format (one byte per line).

Make these printouts more compact. 16 bytes per line.
This commit is contained in:
Hrudaynath Dhabe 2019-10-14 23:37:51 +08:00 committed by Ivan Grokhotkov
parent 1ab458b60b
commit ac0b4c184d
3 changed files with 81 additions and 30 deletions
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52
components/wpa_supplicant/src/utils/wpa_debug.c
View File

@ -16,17 +16,26 @@
#include "utils/common.h"
#include "utils/wpa_debug.h"
static inline int _wpa_snprintf_hex(char *buf, size_t buf_size, const u8 *data, size_t len, int uppercase)
static inline int
_wpa_snprintf_hex(char *buf, size_t buf_size, const u8 *data, size_t len,
int uppercase, int whitespace)
{
size_t i;
char *pos = buf, *end = buf + buf_size;
int ret;
static const char *fmt_upper = "%02X";
static const char *fmt_lower = "%02x";
static const char *fmt_upper_ws = "%02X ";
static const char *fmt_lower_ws = "%02x ";
const char *fmt = uppercase ? (whitespace ? fmt_upper_ws : fmt_upper) :
(whitespace ? fmt_lower_ws : fmt_lower);
if (buf_size == 0)
return 0;
for (i = 0; i < len; i++) {
ret = snprintf(pos, end - pos, uppercase? "%02X":"%02x", data[i]);
ret = snprintf(pos, end - pos, fmt, data[i]);
if (ret < 0 || ret >= end - pos) {
end[-1] = '\0';
return pos - buf;
@ -39,25 +48,31 @@ static inline int _wpa_snprintf_hex(char *buf, size_t buf_size, const u8 *data,
int wpa_snprintf_hex_uppercase(char *buf, size_t buf_size, const u8 *data, size_t len)
{
return _wpa_snprintf_hex(buf, buf_size, data, len, 1);
return _wpa_snprintf_hex(buf, buf_size, data, len, 1, 0);
}
int wpa_snprintf_hex(char *buf, size_t buf_size, const u8 *data, size_t len)
{
return _wpa_snprintf_hex(buf, buf_size, data, len, 0);
return _wpa_snprintf_hex(buf, buf_size, data, len, 0, 0);
}
#ifdef DEBUG_PRINT
void wpa_dump_mem(char* desc, uint8_t *addr, uint16_t len)
{
char output[50];
wpa_printf(MSG_DEBUG, "%s\n", desc);
if (addr){
uint16_t i=0;
for (i=0; i<len; i++){
if (i%16==0) wpa_printf(MSG_DEBUG, "\n");
wpa_printf(MSG_DEBUG, "%02x ", addr[i]);
for (i = 0; i < len / 16; i++) {
_wpa_snprintf_hex(output, 50, addr + i * 16, 16, 0, 1);
wpa_printf(MSG_DEBUG, "%s", output);
}
if (len % 16) {
int bytes_printed = (len / 16) * 16;
_wpa_snprintf_hex(output, 50, addr + bytes_printed,
len - bytes_printed, 0, 1);
wpa_printf(MSG_DEBUG, "%s", output);
}
wpa_printf(MSG_DEBUG, "\n");
}
}
@ -74,21 +89,26 @@ void wpa_hexdump(int level, const char *title, const u8 *buf, size_t len)
{
#ifdef DEBUG_PRINT
size_t i;
char output[50];
if (level < MSG_MSGDUMP)
return;
wpa_printf(MSG_DEBUG, "%s - hexdump(len=%lu):\n", title, (unsigned long) len);
wpa_printf(MSG_DEBUG, "%s - hexdump(len=%lu):", title, (unsigned long) len);
if (buf == NULL) {
wpa_printf(MSG_DEBUG, " [NULL]\n");
wpa_printf(MSG_DEBUG, " [NULL]");
} else {
for (i = 0; i < len; i++) {
wpa_printf(MSG_DEBUG, " %02x", buf[i]);
if((i+1) % 16 == 0)
wpa_printf(MSG_DEBUG, "\n");
}
for (i = 0; i < len / 16; i++) {
_wpa_snprintf_hex(output, 50, buf + i * 16, 16, 0, 1);
wpa_printf(MSG_DEBUG, "%s", output);
}
if (len % 16) {
int bytes_printed = (len / 16) * 16;
_wpa_snprintf_hex(output, 50, buf + bytes_printed,
len - bytes_printed, 0, 1);
wpa_printf(MSG_DEBUG, "%s", output);
}
}
wpa_printf(MSG_DEBUG, "\n");
#endif
}

28
examples/wifi/wpa2_enterprise/main/Kconfig.projbuild
View File

@ -6,12 +6,28 @@ menu "Example Configuration"
help
SSID (network name) for the example to connect to.
config EXAMPLE_EAP_METHOD
int "EAP METHOD"
default 1
config EXAMPLE_VALIDATE_SERVER_CERT
bool "Validate server"
default y
help
EAP method (TLS, PEAP or TTLS) for the example to use.
TLS: 0, PEAP: 1, TTLS: 2
Validate the servers' certificate using CA cert.
choice
prompt "EAP method for the example to use"
default EXAMPLE_EAP_METHOD_PEAP
config EXAMPLE_EAP_METHOD_TLS
bool "TLS"
config EXAMPLE_EAP_METHOD_PEAP
bool "PEAP"
config EXAMPLE_EAP_METHOD_TTLS
bool "TTLS"
endchoice
config EXAMPLE_EAP_METHOD
int
default 0 if EXAMPLE_EAP_METHOD_TLS
default 1 if EXAMPLE_EAP_METHOD_PEAP
default 2 if EXAMPLE_EAP_METHOD_TTLS
config EXAMPLE_EAP_ID
string "EAP ID"
@ -21,12 +37,14 @@ menu "Example Configuration"
config EXAMPLE_EAP_USERNAME
string "EAP USERNAME"
depends on EXAMPLE_EAP_METHOD_PEAP || EXAMPLE_EAP_METHOD_TTLS
default "espressif"
help
Username for EAP method (PEAP and TTLS).
config EXAMPLE_EAP_PASSWORD
string "EAP PASSWORD"
depends on EXAMPLE_EAP_METHOD_PEAP || EXAMPLE_EAP_METHOD_TTLS
default "test11"
help
Password for EAP method (PEAP and TTLS).

31
examples/wifi/wpa2_enterprise/main/wpa2_enterprise_main.c
View File

@ -53,10 +53,6 @@ static EventGroupHandle_t wifi_event_group;
to the AP with an IP? */
const int CONNECTED_BIT = BIT0;
/* Constants that aren't configurable in menuconfig */
#define EAP_PEAP 1
#define EAP_TTLS 2
static const char *TAG = "example";
/* CA cert, taken from wpa2_ca.pem
@ -69,12 +65,17 @@ static const char *TAG = "example";
To embed it in the app binary, the PEM, CRT and KEY file is named
in the component.mk COMPONENT_EMBED_TXTFILES variable.
*/
#ifdef CONFIG_EXAMPLE_VALIDATE_SERVER_CERT
extern uint8_t ca_pem_start[] asm("_binary_wpa2_ca_pem_start");
extern uint8_t ca_pem_end[] asm("_binary_wpa2_ca_pem_end");
#endif /* CONFIG_EXAMPLE_VALIDATE_SERVER_CERT */
#ifdef CONFIG_EXAMPLE_EAP_METHOD_TLS
extern uint8_t client_crt_start[] asm("_binary_wpa2_client_crt_start");
extern uint8_t client_crt_end[] asm("_binary_wpa2_client_crt_end");
extern uint8_t client_key_start[] asm("_binary_wpa2_client_key_start");
extern uint8_t client_key_end[] asm("_binary_wpa2_client_key_end");
#endif /* CONFIG_EXAMPLE_EAP_METHOD_TLS */
static void event_handler(void* arg, esp_event_base_t event_base,
int32_t event_id, void* event_data)
@ -91,9 +92,14 @@ static void event_handler(void* arg, esp_event_base_t event_base,
static void initialise_wifi(void)
{
#ifdef CONFIG_EXAMPLE_VALIDATE_SERVER_CERT
unsigned int ca_pem_bytes = ca_pem_end - ca_pem_start;
#endif /* CONFIG_EXAMPLE_VALIDATE_SERVER_CERT */
#ifdef CONFIG_EXAMPLE_EAP_METHOD_TLS
unsigned int client_crt_bytes = client_crt_end - client_crt_start;
unsigned int client_key_bytes = client_key_end - client_key_start;
#endif /* CONFIG_EXAMPLE_EAP_METHOD_TLS */
tcpip_adapter_init();
wifi_event_group = xEventGroupCreate();
@ -111,14 +117,21 @@ static void initialise_wifi(void)
ESP_LOGI(TAG, "Setting WiFi configuration SSID %s...", wifi_config.sta.ssid);
ESP_ERROR_CHECK( esp_wifi_set_mode(WIFI_MODE_STA) );
ESP_ERROR_CHECK( esp_wifi_set_config(ESP_IF_WIFI_STA, &wifi_config) );
ESP_ERROR_CHECK( esp_wifi_sta_wpa2_ent_set_identity((uint8_t *)EXAMPLE_EAP_ID, strlen(EXAMPLE_EAP_ID)) );
#ifdef CONFIG_EXAMPLE_VALIDATE_SERVER_CERT
ESP_ERROR_CHECK( esp_wifi_sta_wpa2_ent_set_ca_cert(ca_pem_start, ca_pem_bytes) );
#endif /* CONFIG_EXAMPLE_VALIDATE_SERVER_CERT */
#ifdef CONFIG_EXAMPLE_EAP_METHOD_TLS
ESP_ERROR_CHECK( esp_wifi_sta_wpa2_ent_set_cert_key(client_crt_start, client_crt_bytes,\
client_key_start, client_key_bytes, NULL, 0) );
ESP_ERROR_CHECK( esp_wifi_sta_wpa2_ent_set_identity((uint8_t *)EXAMPLE_EAP_ID, strlen(EXAMPLE_EAP_ID)) );
if (EXAMPLE_EAP_METHOD == EAP_PEAP || EXAMPLE_EAP_METHOD == EAP_TTLS) {
ESP_ERROR_CHECK( esp_wifi_sta_wpa2_ent_set_username((uint8_t *)EXAMPLE_EAP_USERNAME, strlen(EXAMPLE_EAP_USERNAME)) );
ESP_ERROR_CHECK( esp_wifi_sta_wpa2_ent_set_password((uint8_t *)EXAMPLE_EAP_PASSWORD, strlen(EXAMPLE_EAP_PASSWORD)) );
}
#endif /* CONFIG_EXAMPLE_EAP_METHOD_TLS */
#if defined CONFIG_EXAMPLE_EAP_METHOD_PEAP || CONFIG_EXAMPLE_EAP_METHOD_TTLS
ESP_ERROR_CHECK( esp_wifi_sta_wpa2_ent_set_username((uint8_t *)EXAMPLE_EAP_USERNAME, strlen(EXAMPLE_EAP_USERNAME)) );
ESP_ERROR_CHECK( esp_wifi_sta_wpa2_ent_set_password((uint8_t *)EXAMPLE_EAP_PASSWORD, strlen(EXAMPLE_EAP_PASSWORD)) );
#endif /* CONFIG_EXAMPLE_EAP_METHOD_PEAP || CONFIG_EXAMPLE_EAP_METHOD_TTLS */
ESP_ERROR_CHECK( esp_wifi_sta_wpa2_ent_enable() );
ESP_ERROR_CHECK( esp_wifi_start() );