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mf classic listener: reset state before sleep and after nack

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gornekich 2023-12-13 23:01:17 +04:00 committed by MX
parent 55b4f87cd7
commit 73145e0beb
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GPG Key ID: 7CCC66B7DBDD1C83
1 changed files with 7 additions and 7 deletions
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14
lib/nfc/protocols/mf_classic/mf_classic_listener.c
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@ -40,10 +40,11 @@ static void mf_classic_listener_reset_state(MfClassicListener* instance) {
static MfClassicListenerCommand static MfClassicListenerCommand
mf_classic_listener_halt_handler(MfClassicListener* instance, BitBuffer* buff) { mf_classic_listener_halt_handler(MfClassicListener* instance, BitBuffer* buff) {
UNUSED(instance);
MfClassicListenerCommand command = MfClassicListenerCommandNack; MfClassicListenerCommand command = MfClassicListenerCommandNack;
if(bit_buffer_get_byte(buff, 1) == MF_CLASSIC_CMD_HALT_LSB) { if(bit_buffer_get_byte(buff, 1) == MF_CLASSIC_CMD_HALT_LSB) {
mf_classic_listener_reset_state(instance);
command = MfClassicListenerCommandSleep; command = MfClassicListenerCommandSleep;
} }
@ -59,10 +60,7 @@ static MfClassicListenerCommand mf_classic_listener_auth_first_part_handler(
do { do {
instance->state = MfClassicListenerStateIdle; instance->state = MfClassicListenerStateIdle;
if(block_num >= instance->total_block_num) { if(block_num >= instance->total_block_num) break;
mf_classic_listener_reset_state(instance);
break;
}
uint8_t sector_num = mf_classic_get_sector_by_block(block_num); uint8_t sector_num = mf_classic_get_sector_by_block(block_num);
@ -135,7 +133,7 @@ static MfClassicListenerCommand
instance->cmd_in_progress = false; instance->cmd_in_progress = false;
if(bit_buffer_get_size_bytes(buff) != (sizeof(MfClassicNr) + sizeof(MfClassicAr))) { if(bit_buffer_get_size_bytes(buff) != (sizeof(MfClassicNr) + sizeof(MfClassicAr))) {
mf_classic_listener_reset_state(instance); command = MfClassicListenerCommandSleep;
break; break;
} }
bit_buffer_write_bytes_mid(buff, instance->auth_context.nr.data, 0, sizeof(MfClassicNr)); bit_buffer_write_bytes_mid(buff, instance->auth_context.nr.data, 0, sizeof(MfClassicNr));
@ -157,7 +155,7 @@ static MfClassicListenerCommand
if(secret_poller != prng_successor(nt_num, 64)) { if(secret_poller != prng_successor(nt_num, 64)) {
FURI_LOG_T( FURI_LOG_T(
TAG, "Wrong reader key: %08lX != %08lX", secret_poller, prng_successor(nt_num, 64)); TAG, "Wrong reader key: %08lX != %08lX", secret_poller, prng_successor(nt_num, 64));
mf_classic_listener_reset_state(instance); command = MfClassicListenerCommandSleep;
break; break;
} }
@ -610,9 +608,11 @@ NfcCommand mf_classic_listener_run(NfcGenericEvent event, void* context) {
} }
mf_classic_listener_send_short_frame(instance, nack); mf_classic_listener_send_short_frame(instance, nack);
mf_classic_listener_reset_state(instance);
} else if(mfc_command == MfClassicListenerCommandSilent) { } else if(mfc_command == MfClassicListenerCommandSilent) {
command = NfcCommandReset; command = NfcCommandReset;
} else if(mfc_command == MfClassicListenerCommandSleep) { } else if(mfc_command == MfClassicListenerCommandSleep) {
mf_classic_listener_reset_state(instance);
command = NfcCommandSleep; command = NfcCommandSleep;
} }
} else if(iso3_event->type == Iso14443_3aListenerEventTypeHalted) { } else if(iso3_event->type == Iso14443_3aListenerEventTypeHalted) {