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sys/fido2: Fix bug in user presence test

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The authenticator did not wait for user presence when user
presence tests were enabled, but LED animations were disabled.
This commit is contained in:
Ollrogge 2025-02-17 22:40:03 +01:00
parent 2e02363eef
commit 3e3ad836a1
3 changed files with 36 additions and 34 deletions
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60
sys/fido2/ctap/ctap_utils.c
View File

@ -15,8 +15,6 @@
* @}
*/
#include <string.h>
#include "ztimer.h"
#include "fido2/ctap.h"
@ -61,9 +59,7 @@ ctap_status_code_t fido2_ctap_utils_user_presence_test(void)
gpio_irq_enable(_pin);
if (!IS_ACTIVE(CONFIG_FIDO2_CTAP_DISABLE_LED)) {
fido2_ctap_utils_led_animation();
}
fido2_ctap_utils_wait_for_user_presence();
ret = _user_present ? CTAP2_OK : CTAP2_ERR_ACTION_TIMEOUT;
@ -79,39 +75,43 @@ static void _gpio_cb(void *arg)
_user_present = true;
}
void fido2_ctap_utils_led_animation(void)
void fido2_ctap_utils_wait_for_user_presence(void)
{
uint32_t start = ztimer_now(ZTIMER_MSEC);
uint32_t diff = 0;
uint32_t delay = 500;
while (!_user_present && diff < CTAP_UP_TIMEOUT) {
#ifdef LED0_TOGGLE
LED0_TOGGLE;
#endif
#ifdef LED1_TOGGLE
LED1_TOGGLE;
#endif
#ifdef LED3_TOGGLE
LED3_TOGGLE;
#endif
#ifdef LED2_TOGGLE
LED2_TOGGLE;
#endif
if (!IS_ACTIVE(CONFIG_FIDO2_CTAP_DISABLE_LED)) {
#ifdef LED0_TOGGLE
LED0_TOGGLE;
#endif
#ifdef LED1_TOGGLE
LED1_TOGGLE;
#endif
#ifdef LED2_TOGGLE
LED2_TOGGLE;
#endif
#ifdef LED3_TOGGLE
LED3_TOGGLE;
#endif
}
ztimer_sleep(ZTIMER_MSEC, delay);
diff = ztimer_now(ZTIMER_MSEC) - start;
}
#ifdef LED0_TOGGLE
LED0_OFF;
#endif
#ifdef LED1_TOGGLE
LED1_OFF;
#endif
#ifdef LED3_TOGGLE
LED3_OFF;
#endif
#ifdef LED2_TOGGLE
LED2_OFF;
#endif
if (!IS_ACTIVE(CONFIG_FIDO2_CTAP_DISABLE_LED)) {
#ifdef LED0_TOGGLE
LED0_OFF;
#endif
#ifdef LED1_TOGGLE
LED1_OFF;
#endif
#ifdef LED2_TOGGLE
LED2_OFF;
#endif
#ifdef LED3_TOGGLE
LED3_OFF;
#endif
}
}

2
sys/include/fido2/ctap/ctap_utils.h
View File

@ -33,7 +33,7 @@ extern "C" {
/**
* @brief LED animation to indicate that user action is required
*/
void fido2_ctap_utils_led_animation(void);
void fido2_ctap_utils_wait_for_user_presence(void);
/**
* @brief Initialize button to be used for user presence test

8
tests/sys/fido2_ctap_hid/Makefile
View File

@ -26,16 +26,18 @@ CFLAGS += -DCONFIG_FIDO2_CTAP_DISABLE_LED=1
# compiled natively (x86-64). Therefore we need to clear the flags set by e.g.
# BOARD = nrf52840dk
fido2-test:
env -i PATH=$(PATH) $(MAKE) -C $(RIOTBASE)/build/pkg/fido2_tests standard-tests
env -i PATH=$(PATH) $(MAKE) -C $(PKGDIRBASE)/fido2_tests standard-tests
# FIDO2 user presence tests.
#
# Make sure to enable user presence tests by uncommenting CFLAGS += -DCONFIG_FIDO2_CTAP_DISABLE_UP=1
# Make sure to enable user presence tests by setting CFLAGS += -DCONFIG_FIDO2_CTAP_DISABLE_UP=0.
# It is also recommended to set CFLAGS += -DCONFIG_FIDO2_CTAP_DISABLE_LED=0 to have
# an indicator that signals when to press the button.
#
# Use env -i because fido2-test has a depedency (pyscard) that needs to be
# compiled natively (x86-64). Therefore we need to clear the flags set by e.g.
# BOARD = nrf52840dk
fido2-test-up:
env -i PATH=$(PATH) $(MAKE) -C $(RIOTBASE)/build/pkg/fido2_tests up-tests
env -i PATH=$(PATH) $(MAKE) -C $(PKGDIRBASE)/fido2_tests up-tests
include $(RIOTBASE)/Makefile.include