AkaiiKitsune/aimeio-cardreader
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Added ACR122U support

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This currently only really works well with felica lite cards (amusement IC).

Older cards or different types (Mifare) should work too but their id won't be correct.
This commit is contained in:
Farewell_ 2024-02-24 10:30:13 +01:00 committed by Farewell_
parent 358e4633ae
commit 9eedc62e04
17 changed files with 628 additions and 542 deletions
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5
.gitignore vendored
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@ -1 +1,4 @@
.vscode .vscode
build64/*
bin/*
*.dll

113
aimeio/aimeio.c
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@ -1,113 +0,0 @@
#include <windows.h>
#include <assert.h>
#include <stdbool.h>
#include <stddef.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <time.h>
#include "aimeio/aimeio.h"
#include "aimepcsc/aimepcsc.h"
static struct aimepcsc_context *ctx;
static struct aime_data data;
uint16_t aime_io_get_api_version(void)
{
return 0x0100;
}
HRESULT aime_io_init(void)
{
int ret;
FILE* fp;
ret = AllocConsole();
// someone might already allocated a console - seeing this on fufubot's segatools
if (ret != 0) {
// only when we allocate a console, we need to redirect stdout
freopen_s(&fp, "CONOUT$", "w", stdout);
}
ctx = aimepcsc_create();
if (!ctx) {
return E_OUTOFMEMORY;
}
ret = aimepcsc_init(ctx);
if (ret != 0) {
printf("aimeio-pcsc: failed to initialize: %s\n", aimepcsc_error(ctx));
aimepcsc_destroy(ctx);
ctx = NULL;
return E_FAIL;
}
printf("aimeio-pcsc: initialized with reader: %s\n", aimepcsc_reader_name(ctx));
return S_OK;
}
HRESULT aime_io_nfc_poll(uint8_t unit_no)
{
int ret;
HRESULT hr;
if (unit_no != 0) {
return S_OK;
}
memset(&data, 0, sizeof(data));
ret = aimepcsc_poll(ctx, &data);
if (ret < 0) {
printf("aimeio-pcsc: poll failed: %s\n", aimepcsc_error(ctx));
}
return S_OK;
}
HRESULT aime_io_nfc_get_aime_id(
uint8_t unit_no,
uint8_t *luid,
size_t luid_size)
{
assert(luid != NULL);
if (unit_no != 0 || data.card_type != Mifare || luid_size != data.card_id_len) {
return S_FALSE;
}
memcpy(luid, data.card_id, luid_size);
return S_OK;
}
HRESULT aime_io_nfc_get_felica_id(uint8_t unit_no, uint64_t *IDm)
{
uint64_t val;
size_t i;
assert(IDm != NULL);
if (unit_no != 0 || data.card_type != FeliCa || data.card_id_len != 8) {
return S_FALSE;
}
val = 0;
for (i = 0 ; i < 8 ; i++) {
val = (val << 8) | data.card_id[i];
}
*IDm = val;
return S_OK;
}
void aime_io_led_set_color(uint8_t unit_no, uint8_t r, uint8_t g, uint8_t b)
{}

11
aimeio/meson.build
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@ -1,11 +0,0 @@
aimeio_lib = shared_library(
'aimeio',
name_prefix : '',
include_directories: inc,
implicit_include_directories : false,
vs_module_defs : 'aimeio.def',
link_with: [aimepcsc_lib],
sources : [
'aimeio.c',
],
)

222
aimepcsc/aimepcsc.c
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@ -1,222 +0,0 @@
#include "aimepcsc.h"
#include <stdio.h>
static const uint8_t atr_ios14443_common[] = {0x3B, 0x8F, 0x80, 0x01, 0x80, 0x4F, 0x0C, 0xA0, 0x00, 0x00, 0x03, 0x06};
static const uint8_t cardtype_m1k[] = {0x03, 0x00, 0x01};
static const uint8_t cardtype_felica[] = {0x11, 0x00, 0x3B};
static const uint8_t felica_cmd_readidm[] = {0xFF, 0xCA, 0x00, 0x00, 0x00};
static const uint8_t m1k_cmd_loadkey[] = {0xFF, 0x82, 0x00, 0x00, 0x06, 0x57, 0x43, 0x43, 0x46, 0x76, 0x32};
static const uint8_t m1k_cmd_auth_block2[] = {0xFF, 0x86, 0x00, 0x00, 0x05, 0x01, 0x00, 0x02, 0x61, 0x00};
static const uint8_t m1k_cmd_read_block2[] = {0xFF, 0xB0, 0x00, 0x02, 0x10};
struct aimepcsc_context {
SCARDCONTEXT hContext;
LPSTR mszReaders;
DWORD pcchReaders;
CHAR last_error[256];
};
#define APDU_SEND(card, cmd, expected_res_len) \
do { \
len = sizeof(buf); \
ret = SCardTransmit(*card, SCARD_PCI_T1, cmd, sizeof(cmd), NULL, buf, &len); \
if (ret != SCARD_S_SUCCESS) { \
snprintf(ctx->last_error, sizeof(ctx->last_error), "SCardTransmit failed during " #cmd ": %08lX", (ULONG) ret); \
return -1; \
} \
if (len != expected_res_len || buf[expected_res_len - 2] != 0x90 || buf[expected_res_len - 1] != 0x00) { \
snprintf(ctx->last_error, sizeof(ctx->last_error), #cmd " failed; res_len=%lu, res_code=%02x%02x", len, buf[2], buf[3]); \
return 1; \
} \
} while (0)
static int read_felica_aime(struct aimepcsc_context *ctx, LPSCARDHANDLE card, struct aime_data *data) {
uint8_t buf[32];
DWORD len;
LONG ret;
/* read card ID */
APDU_SEND(card, felica_cmd_readidm, 10);
data->card_id_len = 8;
memcpy(data->card_id, buf, 8);
return 0;
}
static int read_m1k_aime(struct aimepcsc_context *ctx, LPSCARDHANDLE card, struct aime_data *data) {
uint8_t buf[32];
DWORD len;
LONG ret;
/* load key onto reader */
APDU_SEND(card, m1k_cmd_loadkey, 2);
/* authenticate block 2 */
APDU_SEND(card, m1k_cmd_auth_block2, 2);
/* read block 2 */
APDU_SEND(card, m1k_cmd_read_block2, 18);
data->card_id_len = 10;
memcpy(data->card_id, buf + 6, 10);
return 0;
}
struct aimepcsc_context* aimepcsc_create(void) {
struct aimepcsc_context* ctx;
ctx = (struct aimepcsc_context*) malloc(sizeof(struct aimepcsc_context));
if (!ctx) {
return NULL;
}
memset(ctx, 0, sizeof(struct aimepcsc_context));
return ctx;
}
void aimepcsc_destroy(struct aimepcsc_context *ctx) {
free(ctx);
}
int aimepcsc_init(struct aimepcsc_context *ctx) {
LONG ret;
ret = SCardEstablishContext(SCARD_SCOPE_USER, NULL, NULL, &ctx->hContext);
if (ret != SCARD_S_SUCCESS) {
snprintf(ctx->last_error, sizeof(ctx->last_error), "SCardEstablishContext failed: %08lX", (ULONG) ret);
return -1;
}
ctx->pcchReaders = SCARD_AUTOALLOCATE;
ret = SCardListReaders(ctx->hContext, NULL, (LPSTR) &ctx->mszReaders, &ctx->pcchReaders);
if (ret != SCARD_S_SUCCESS) {
snprintf(ctx->last_error, sizeof(ctx->last_error), "SCardListReaders failed: %08lX", (ULONG) ret);
goto errout;
}
return 0;
errout:
SCardReleaseContext(ctx->hContext);
return -1;
}
void aimepcsc_shutdown(struct aimepcsc_context *ctx) {
if (ctx->mszReaders != NULL) {
SCardFreeMemory(ctx->hContext, ctx->mszReaders);
}
SCardReleaseContext(ctx->hContext);
}
int aimepcsc_poll(struct aimepcsc_context *ctx, struct aime_data *data) {
SCARDHANDLE hCard;
SCARD_READERSTATE rs;
LONG ret;
LPBYTE pbAttr = NULL;
DWORD cByte = SCARD_AUTOALLOCATE;
int retval;
retval = 1;
memset(&rs, 0, sizeof(SCARD_READERSTATE));
rs.szReader = ctx->mszReaders;
rs.dwCurrentState = SCARD_STATE_UNAWARE;
/* check if a card is present */
ret = SCardGetStatusChange(ctx->hContext, 0, &rs, 1);
if (ret == SCARD_E_TIMEOUT) {
return 1;
}
if (ret != SCARD_S_SUCCESS) {
snprintf(ctx->last_error, sizeof(ctx->last_error), "SCardGetStatusChange failed: %08lX", (ULONG) ret);
return -1;
}
if (rs.dwEventState & SCARD_STATE_EMPTY) {
return 1;
}
if (!(rs.dwEventState & SCARD_STATE_PRESENT)) {
sprintf(ctx->last_error, "unknown dwCurrentState: %08lX", rs.dwCurrentState);
return -1;
}
/* connect to card */
ret = SCardConnect(ctx->hContext, rs.szReader, SCARD_SHARE_SHARED, SCARD_PROTOCOL_T0 | SCARD_PROTOCOL_T1, &hCard, NULL);
if (ret != SCARD_S_SUCCESS) {
snprintf(ctx->last_error, sizeof(ctx->last_error), "SCardConnect failed: %08lX", (ULONG) ret);
return -1;
}
/* get ATR string */
ret = SCardGetAttrib(hCard, SCARD_ATTR_ATR_STRING, (LPBYTE) &pbAttr, &cByte);
if (ret != SCARD_S_SUCCESS) {
snprintf(ctx->last_error, sizeof(ctx->last_error), "SCardGetAttrib failed: %08lX", (ULONG) ret);
return -1;
}
if (cByte != 20) {
snprintf(ctx->last_error, sizeof(ctx->last_error), "invalid ATR length: %lu", cByte);
goto out;
}
/* check ATR */
if (memcmp(pbAttr, atr_ios14443_common, sizeof(atr_ios14443_common)) != 0) {
snprintf(ctx->last_error, sizeof(ctx->last_error), "invalid card type.");
goto out;
}
/* check card type */
if (memcmp(pbAttr + sizeof(atr_ios14443_common), cardtype_m1k, sizeof(cardtype_m1k)) == 0) {
data->card_type = Mifare;
ret = read_m1k_aime(ctx, &hCard, data);
if (ret < 0) {
retval = -1;
goto out;
} else if (ret > 0) {
goto out;
}
} else if (memcmp(pbAttr + sizeof(atr_ios14443_common), cardtype_felica, sizeof(cardtype_felica)) == 0) {
data->card_type = FeliCa;
ret = read_felica_aime(ctx, &hCard, data);
if (ret < 0) {
retval = -1;
goto out;
} else if (ret > 0) {
goto out;
}
} else {
snprintf(ctx->last_error, sizeof(ctx->last_error), "invalid card type.");
goto out;
}
retval = 0;
out:
SCardFreeMemory(ctx->hContext, pbAttr);
SCardDisconnect(hCard, SCARD_LEAVE_CARD);
return retval;
}
const char* aimepcsc_error(struct aimepcsc_context *ctx) {
return ctx->last_error;
}
const char* aimepcsc_reader_name(struct aimepcsc_context *ctx) {
return ctx->mszReaders;
}

64
aimepcsc/aimepcsc.h
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@ -1,64 +0,0 @@
#pragma once
#include <windows.h>
#include <winioctl.h>
#include <winscard.h>
#include <stdint.h>
/* opaque context */
struct aimepcsc_context;
/* aime card types */
enum AIME_CARDTYPE {
Mifare = 0x01,
FeliCa = 0x02,
};
/* aime card data */
struct aime_data {
/* AIME_CARDTYPE */
uint8_t card_type;
/* Card ID */
uint8_t card_id[32];
/* Card ID length */
uint8_t card_id_len;
};
/* create new context for aimepcsc
* @return context on success, NULL on failure
*/
struct aimepcsc_context* aimepcsc_create(void);
/* destroy context for aimepcsc */
void aimepcsc_destroy(struct aimepcsc_context *ctx);
/* setup reader (first detected reader will be used)
* @param ctx context
* @return 0 on success, -1 on failure
*/
int aimepcsc_init(struct aimepcsc_context *ctx);
/* shutdown reader */
void aimepcsc_shutdown(struct aimepcsc_context *ctx);
/* poll for card
* @param ctx context
* @param data data to be filled
* @return 0 on success, -1 on failure, 1 on no card
*/
int aimepcsc_poll(struct aimepcsc_context *ctx, struct aime_data *data);
/* get last error
* @param ctx context
* @return error string
*/
const char* aimepcsc_error(struct aimepcsc_context *ctx);
/* get reader name
* @param ctx context
* @return reader name
*/
const char* aimepcsc_reader_name(struct aimepcsc_context *ctx);

44
aimepcsc/aimereader.c
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@ -1,44 +0,0 @@
#include "aimepcsc.h"
#include <stdio.h>
int main(int argc, char** argv) {
struct aimepcsc_context* ctx;
int ret;
ctx = aimepcsc_create();
if (!ctx) {
return -1;
}
ret = aimepcsc_init(ctx);
if (ret != 0) {
fprintf(stderr, "aimepcsc_init failed: %s\n", aimepcsc_error(ctx));
return -1;
}
fprintf(stderr, "connected to reader: %s; waiting for cards...\n", aimepcsc_reader_name(ctx));
while (1) {
struct aime_data data;
ret = aimepcsc_poll(ctx, &data);
if (ret == 0) {
printf("card detected: ");
printf("type=%s, id=", data.card_type == Mifare ? "Mifare (old Aime)" : "FeliCa (AIC-Aime)");
for (int i = 0; i < data.card_id_len; i++) {
printf("%02X", data.card_id[i]);
}
printf("\n");
} else if (ret == -1) {
fprintf(stderr, "aimepcsc_poll failed: %s\n", aimepcsc_error(ctx));
break;
}
Sleep(500);
}
aimepcsc_shutdown(ctx);
aimepcsc_destroy(ctx);
return 0;
}

23
aimepcsc/meson.build
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@ -1,23 +0,0 @@
winscard_lib = cc.find_library('winscard')
aimepcsc_lib = static_library(
'aimepcsc',
name_prefix : '',
include_directories: inc,
implicit_include_directories : false,
dependencies: [winscard_lib],
sources : [
'aimepcsc.c',
],
)
aimereader = executable(
'aimereader',
name_prefix : '',
include_directories : [inc],
implicit_include_directories : false,
link_with: [aimepcsc_lib],
sources : [
'aimereader.c'
]
)

10
build64.bat Normal file
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@ -0,0 +1,10 @@
cd /d %~dp0
REM Edit this with the right path to vcvarsall.bat.
call "C:\Program Files\Microsoft Visual Studio\2022\Preview\VC\Auxiliary\Build\vcvarsall.bat" x64
meson setup build64 --buildtype=release
meson configure build64
ninja -C build64
mkdir bin
copy build64\src\aimeio.dll bin\aimeio.dll

10
cross-mingw-32.txt
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@ -1,10 +0,0 @@
[binaries]
c = 'i686-w64-mingw32-gcc'
ar = 'i686-w64-mingw32-ar'
strip = 'i686-w64-mingw32-strip'
[host_machine]
system = 'windows'
cpu_family = 'x86'
cpu = 'i686'
endian = 'little'

10
cross-mingw-64.txt
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@ -1,10 +0,0 @@
[binaries]
c = 'x86_64-w64-mingw32-gcc'
ar = 'x86_64-w64-mingw32-ar'
strip = 'x86_64-w64-mingw32-strip'
[host_machine]
system = 'windows'
cpu_family = 'x86_64'
cpu = 'x86_64'
endian = 'little'

41
meson.build
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@ -1,44 +1,9 @@
project( project(
'aimeio-pcsc', 'aimeio_scard',
'c', 'c',
version: '0.0.1', version : '0.0.1'
default_options: [
'warning_level=3',
],
) )
add_project_arguments(
'-DCOBJMACROS',
'-DDIRECTINPUT_VERSION=0x0800',
'-DWIN32_LEAN_AND_MEAN',
'-D_WIN32_WINNT=_WIN32_WINNT_WIN7',
'-DMINGW_HAS_SECURE_API=1',
'-Wno-unused',
language: 'c',
)
cc = meson.get_compiler('c')
if cc.get_id() != 'msvc'
add_project_arguments(
'-ffunction-sections',
'-fdata-sections',
'-flto', # Enable Link-Time Optimization
language: 'c',
)
add_project_link_arguments(
'-Wl,--enable-stdcall-fixup',
'-Wl,--exclude-all-symbols',
'-Wl,--gc-sections',
'-static-libgcc',
'-flto', # Enable Link-Time Optimization
'-Wl,-s', # Strip debug symbols
language: 'c',
)
endif
inc = include_directories('.') inc = include_directories('.')
subdir('aimepcsc') subdir('src/')
subdir('aimeio')

182
src/aimeio.c Normal file
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@ -0,0 +1,182 @@
#include <windows.h>
#include <assert.h>
#include <stdbool.h>
#include <stddef.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <time.h>
#include "aimeio.h"
#include "scard/scard.h"
char module[] = "CardReader";
// Reader Thread
static bool READER_RUNNER_INITIALIZED = false;
static HANDLE READER_POLL_THREAD;
static bool READER_POLL_STOP_FLAG;
char AccessID[21] = "00000000000000000001";
static bool HasCard = false;
uint8_t UID[8] = {0};
static struct aimepcsc_context *ctx;
// static struct aime_data data;
#pragma region READER SPECIFIC
static unsigned int __stdcall reader_poll_thread_proc(void *ctx)
{
while (!READER_POLL_STOP_FLAG)
{
if (!HasCard)
{
scard_update(UID);
if (UID[0] > 0) // If a card was read, format it properly and set HasCard to true so the game can insert it on next frame.
{
printf("%s: Read card %02X%02X%02X%02X%02X%02X%02X%02X\n", module, UID[0], UID[1], UID[2], UID[3], UID[4], UID[5], UID[6], UID[7]);
// Properly format the AccessID
uint64_t ReversedAccessID;
for (int i = 0; i < 8; i++)
ReversedAccessID = (ReversedAccessID << 8) | UID[i];
sprintf(AccessID, "%020llu", ReversedAccessID);
HasCard = true;
}
}
}
return 0;
}
#pragma endregion
#pragma region AIME
uint16_t aime_io_get_api_version(void)
{
return 0x0100;
}
HRESULT aime_io_init(void)
{
// At init we want to open a console...
int ret = AllocConsole();
FILE *fp;
// someone might already allocated a console - seeing this on fufubot's segatools
if (ret != 0)
freopen_s(&fp, "CONOUT$", "w", stdout); // only when we allocate a console, we need to redirect stdout
// Find and initialize reader(s)
if (!READER_RUNNER_INITIALIZED)
{
READER_RUNNER_INITIALIZED = true;
printf("%s: Initializing SmartCard\n", module);
if (!scard_init())
{
printf("%s: Couldn't init SmartCard\n", module);
return E_FAIL;
}
}
printf("%s: Starting reader thread.\n", module);
// Start reader thread
READER_POLL_STOP_FLAG = false;
READER_POLL_THREAD = (HANDLE)_beginthreadex(
NULL,
0,
reader_poll_thread_proc,
NULL,
0,
NULL);
// // int ret;
// // FILE *fp;
// // ret = AllocConsole();
// // // someone might already allocated a console - seeing this on fufubot's segatools
// // if (ret != 0)
// // {
// // // only when we allocate a console, we need to redirect stdout
// // freopen_s(&fp, "CONOUT$", "w", stdout);
// // }
// // ctx = aimepcsc_create();
// // if (!ctx)
// // {
// // return E_OUTOFMEMORY;
// // }
// // ret = aimepcsc_init(ctx);
// // if (ret != 0)
// // {
// // printf("aimeio-pcsc: failed to initialize: %s\n", aimepcsc_error(ctx));
// // aimepcsc_destroy(ctx);
// // ctx = NULL;
// // return E_FAIL;
// // }
// // printf("aimeio-pcsc: initialized with reader: %s\n", aimepcsc_reader_name(ctx));
return S_OK;
}
HRESULT aime_io_nfc_poll(uint8_t unit_no)
{
return S_OK;
}
HRESULT aime_io_nfc_get_aime_id(uint8_t unit_no, uint8_t *luid, size_t luid_size)
{
// Lol what
return S_FALSE;
}
HRESULT aime_io_nfc_get_felica_id(uint8_t unit_no, uint64_t *IDm)
{
assert(IDm != NULL);
if (HasCard)
{
printf("%s: Card has been scanned ! : %s\n", module, AccessID);
HasCard = false;
uint64_t val;
for (int i = 0; i < 8; i++)
{
val = (val << 8) | UID[i];
UID[i] = 0;
}
*IDm = val;
return S_OK;
}
// // assert(IDm != NULL);
// // if (unit_no != 0 || data.card_type != FeliCa || data.card_id_len != 8)
// // {
// // return S_FALSE;
// // }
// // val = 0;
// // for (i = 0; i < 8; i++)
// // {
// // val = (val << 8) | data.card_id[i];
// // }
// // *IDm = val;
return S_FALSE;
}
void aime_io_led_set_color(uint8_t unit_no, uint8_t r, uint8_t g, uint8_t b)
{
}
#pragma endregion

4
aimeio/aimeio.def → src/aimeio.def
View File

@ -4,6 +4,6 @@ EXPORTS
aime_io_get_api_version aime_io_get_api_version
aime_io_init aime_io_init
aime_io_led_set_color aime_io_led_set_color
aime_io_nfc_get_aime_id
aime_io_nfc_get_felica_id
aime_io_nfc_poll aime_io_nfc_poll
aime_io_nfc_get_aime_id
aime_io_nfc_get_felica_id

5
aimeio/aimeio.h → src/aimeio.h
View File

@ -48,10 +48,7 @@ HRESULT aime_io_nfc_poll(uint8_t unit_no);
Minimum API version: 0x0100 Minimum API version: 0x0100
*/ */
HRESULT aime_io_nfc_get_aime_id( HRESULT aime_io_nfc_get_aime_id(uint8_t unit_no, uint8_t *luid, size_t luid_size);
uint8_t unit_no,
uint8_t *luid,
size_t luid_size);
/* /*
Attempt to read out a FeliCa card ID ("IDm"). The following are examples Attempt to read out a FeliCa card ID ("IDm"). The following are examples

24
src/meson.build Normal file
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@ -0,0 +1,24 @@
compiler = meson.get_compiler('c')
hid_lib = compiler.find_library('hid')
winscard_lib = compiler.find_library('winscard')
setupapi_lib = compiler.find_library('setupapi')
deps = [
hid_lib,
winscard_lib,
setupapi_lib,
]
shared_library(
'aimeio',
implicit_include_directories : false,
vs_module_defs : 'aimeio.def',
sources: [
'aimeio.c',
'scard/scard.c',
],
dependencies: deps,
include_directories: [
inc
]
)

356
src/scard/scard.c Normal file
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@ -0,0 +1,356 @@
/**
* MIT-License
* Copyright (c) 2018 by nolm <nolan@nolm.name>
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to
* deal in the Software without restriction, including without limitation the
* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
* sell copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
* IN THE SOFTWARE.
*
* Modified version.
*/
#include "scard.h"
// #include <tchar.h>
// #include <thread>
extern char module[];
#define MAX_APDU_SIZE 255
int readCooldown = 500;
// set to detect all cards, reduce polling rate to 500ms.
// based off acr122u reader, see page 26 in api document.
// https://www.acs.com.hk/en/download-manual/419/API-ACR122U-2.04.pdf
#define PICC_OPERATING_PARAMS 0xDFu
BYTE PICC_OPERATING_PARAM_CMD[5] = {0xFFu, 0x00u, 0x51u, PICC_OPERATING_PARAMS, 0x00u};
// return bytes from device
#define PICC_SUCCESS 0x90u
#define PICC_ERROR 0x63u
static const BYTE UID_CMD[5] = {0xFFu, 0xCAu, 0x00u, 0x00u, 0x00u};
enum scard_atr_protocol
{
SCARD_ATR_PROTOCOL_ISO14443_PART3 = 0x03,
SCARD_ATR_PROTOCOL_ISO15693_PART3 = 0x0B,
SCARD_ATR_PROTOCOL_FELICA_212K = 0x11,
SCARD_ATR_PROTOCOL_FELICA_424K = 0x12,
};
// winscard_config_t WINSCARD_CONFIG;
SCARDCONTEXT hContext = 0;
SCARD_READERSTATE reader_states[2];
LPTSTR reader_name_slots[2] = {NULL, NULL};
int reader_count = 0;
LONG lRet = 0;
void scard_poll(uint8_t *buf, SCARDCONTEXT _hContext, LPCTSTR _readerName, uint8_t unit_no)
{
printf("%s: Update on reader : %s\n", module, reader_states[unit_no].szReader);
// Connect to the smart card.
LONG lRet = 0;
SCARDHANDLE hCard;
DWORD dwActiveProtocol;
for (int retry = 0; retry < 100; retry++) // retry times has to be increased since poll rate is set to 500ms
{
if ((lRet = SCardConnect(_hContext, _readerName, SCARD_SHARE_EXCLUSIVE, SCARD_PROTOCOL_T0 | SCARD_PROTOCOL_T1, &hCard, &dwActiveProtocol)) == SCARD_S_SUCCESS)
break;
Sleep(20);
}
if (lRet != SCARD_S_SUCCESS)
{
printf("%s: Error connecting to the card: 0x%08X\n", module, lRet);
return;
}
// set the reader params
lRet = 0;
LPCSCARD_IO_REQUEST pci = dwActiveProtocol == SCARD_PROTOCOL_T1 ? SCARD_PCI_T1 : SCARD_PCI_T0;
DWORD cbRecv = MAX_APDU_SIZE;
BYTE pbRecv[MAX_APDU_SIZE];
// Read ATR to determine card type.
TCHAR szReader[200];
DWORD cchReader = 200;
BYTE atr[32];
DWORD cByteAtr = 32;
lRet = SCardStatus(hCard, szReader, &cchReader, NULL, NULL, atr, &cByteAtr);
if (lRet != SCARD_S_SUCCESS)
{
printf("%s: Error getting card status: 0x%08X\n", module, lRet);
return;
}
// Only care about 20-byte ATRs returned by arcade-type smart cards
if (cByteAtr != 20)
{
printf("%s: Ignoring card with len(%d) = %02X (%08X)\n", module, cByteAtr, atr, cByteAtr);
return;
}
printf("%s: atr Return: len(%d) = %02X (%08X)\n", module, cByteAtr, atr, cByteAtr);
// Figure out if we should reverse the UID returned by the card based on the ATR protocol
BYTE cardProtocol = atr[12];
BOOL shouldReverseUid = false;
if (cardProtocol == SCARD_ATR_PROTOCOL_ISO15693_PART3)
{
printf("%s: Card protocol: ISO15693_PART3\n", module);
shouldReverseUid = true;
}
else if (cardProtocol == SCARD_ATR_PROTOCOL_ISO14443_PART3)
printf("%s: Card protocol: ISO14443_PART3\n", module);
else if (cardProtocol == SCARD_ATR_PROTOCOL_FELICA_212K)
printf("%s: Card protocol: FELICA_212K\n", module);
else if (cardProtocol == SCARD_ATR_PROTOCOL_FELICA_424K)
printf("%s: Card protocol: FELICA_424K\n", module);
else
{
printf("%s: Unknown NFC Protocol: 0x%02X\n", module, cardProtocol);
return;
}
// Read UID
cbRecv = MAX_APDU_SIZE;
if ((lRet = SCardTransmit(hCard, pci, UID_CMD, sizeof(UID_CMD), NULL, pbRecv, &cbRecv)) != SCARD_S_SUCCESS)
{
printf("%s: Error querying card UID: 0x%08X\n", module, lRet);
return;
}
if (cbRecv > 1 && pbRecv[0] == PICC_ERROR)
{
printf("%s: UID query failed\n", module);
return;
}
if ((lRet = SCardDisconnect(hCard, SCARD_LEAVE_CARD)) != SCARD_S_SUCCESS)
printf("%s: Failed SCardDisconnect: 0x%08X\n", module, lRet);
if (cbRecv < 8)
{
printf("%s: Padding card uid to 8 bytes\n", module);
memset(&pbRecv[cbRecv], 0, 8 - cbRecv);
}
else if (cbRecv > 8)
printf("%s: taking first 8 bytes of len(uid) = %02X\n", module, cbRecv);
// Copy UID to struct, reversing if necessary
card_info_t card_info;
if (shouldReverseUid)
for (DWORD i = 0; i < 8; i++)
card_info.uid[i] = pbRecv[7 - i];
else
memcpy(card_info.uid, pbRecv, 8);
for (int i = 0; i < 8; ++i)
buf[i] = card_info.uid[i];
}
// void scard_clear(uint8_t unitNo)
// {
// card_info_t empty_cardinfo;
// }
void scard_update(uint8_t *buf)
{
if (reader_count < 1)
{
return;
}
lRet = SCardGetStatusChange(hContext, readCooldown, reader_states, reader_count);
if (lRet == SCARD_E_TIMEOUT)
{
return;
}
else if (lRet != SCARD_S_SUCCESS)
{
printf("%s: Failed SCardGetStatusChange: 0x%08X\n", module, lRet);
return;
}
for (uint8_t unit_no = 0; unit_no < reader_count; unit_no++)
{
if (!(reader_states[unit_no].dwEventState & SCARD_STATE_CHANGED))
continue;
DWORD newState = reader_states[unit_no].dwEventState ^ SCARD_STATE_CHANGED;
bool wasCardPresent = (reader_states[unit_no].dwCurrentState & SCARD_STATE_PRESENT) > 0;
if (newState & SCARD_STATE_UNAVAILABLE)
{
printf("%s: New card state: unavailable\n", module);
Sleep(readCooldown);
}
else if (newState & SCARD_STATE_EMPTY)
{
printf("%s: New card state: empty\n", module);
// scard_clear(unit_no);
}
else if (newState & SCARD_STATE_PRESENT && !wasCardPresent)
{
printf("%s: New card state: present\n", module);
scard_poll(buf, hContext, reader_states[unit_no].szReader, unit_no);
}
reader_states[unit_no].dwCurrentState = reader_states[unit_no].dwEventState;
}
return;
}
bool scard_init()
{
if ((lRet = SCardEstablishContext(SCARD_SCOPE_USER, NULL, NULL, &hContext)) != SCARD_S_SUCCESS)
{
// log_warning("scard", "failed to establish SCard context: {}", bin2hex(&lRet, sizeof(LONG)));
return lRet;
}
LPCTSTR reader = NULL;
int readerNameLen = 0;
// get list of readers
LPTSTR reader_list = NULL;
auto pcchReaders = SCARD_AUTOALLOCATE;
lRet = SCardListReaders(hContext, NULL, (LPTSTR)&reader_list, &pcchReaders);
int slot0_idx = -1;
int slot1_idx = -1;
int readerCount = 0;
switch (lRet)
{
case SCARD_E_NO_READERS_AVAILABLE:
printf("%s: No readers available\n", module);
return FALSE;
case SCARD_S_SUCCESS:
// So WinAPI has this terrible "multi-string" concept wherein you have a list
// of null-terminated strings, terminated by a double-null.
for (reader = reader_list; *reader; reader = reader + lstrlen(reader) + 1)
{
printf("%s: Found reader: %s\n", module, reader);
readerCount++;
// Connect to reader and send PICC operating params command
LONG lRet = 0;
SCARDHANDLE hCard;
DWORD dwActiveProtocol;
lRet = SCardConnect(hContext, reader, SCARD_SHARE_DIRECT, 0, &hCard, &dwActiveProtocol);
if (lRet != SCARD_S_SUCCESS)
{
printf("%s: Error connecting to the reader: 0x%08X\n", module, lRet);
continue;
}
printf("%s: Connected to reader: %s, sending PICC operating params command\n", module, reader);
// set the reader params
lRet = 0;
DWORD cbRecv = MAX_APDU_SIZE;
BYTE pbRecv[MAX_APDU_SIZE];
lRet = SCardControl(hCard, SCARD_CTL_CODE(3500), PICC_OPERATING_PARAM_CMD, sizeof(PICC_OPERATING_PARAM_CMD), pbRecv, cbRecv, &cbRecv);
Sleep(100);
if (lRet != SCARD_S_SUCCESS)
{
printf("%s: Error setting PICC params: 0x%08X\n", module, lRet);
return FALSE;
}
if (cbRecv > 2 && pbRecv[0] != PICC_SUCCESS && pbRecv[1] != PICC_OPERATING_PARAMS)
{
printf("%s: PICC params not valid 0x%02X != 0x%02X\n", module, pbRecv[1], PICC_OPERATING_PARAMS);
return FALSE;
}
// Disconnect from reader
if ((lRet = SCardDisconnect(hCard, SCARD_LEAVE_CARD)) != SCARD_S_SUCCESS)
{
printf("%s: Failed SCardDisconnect: 0x%08X\n", module, lRet);
}
else
{
printf("%s: Disconnected from reader: %s, this is expected behavior\n", module, reader);
}
}
// If we have at least two readers, assign readers to slots as necessary.
if (readerCount >= 2)
{
if (slot1_idx != 0)
slot0_idx = 0;
if (slot0_idx != 1)
slot1_idx = 1;
}
// if the reader count is 1 and no reader was set, set first reader
if (readerCount == 1 && slot0_idx < 0 && slot1_idx < 0)
slot0_idx = 0;
// If we somehow only found slot 1, promote slot 1 to slot 0.
if (slot0_idx < 0 && slot1_idx >= 0)
{
slot0_idx = slot1_idx;
slot1_idx = -1;
}
// Extract the relevant names from the multi-string.
int i;
for (i = 0, reader = reader_list; *reader; reader = reader + lstrlen(reader) + 1, i++)
{
if (slot0_idx == i)
{
readerNameLen = lstrlen(reader);
reader_name_slots[0] = (LPTSTR)HeapAlloc(GetProcessHeap(), HEAP_GENERATE_EXCEPTIONS, sizeof(TCHAR) * (readerNameLen + 1));
memcpy(reader_name_slots[0], &reader[0], (size_t)(readerNameLen + 1));
}
if (slot1_idx == i)
{
readerNameLen = lstrlen(reader);
reader_name_slots[1] = (LPTSTR)HeapAlloc(GetProcessHeap(), HEAP_GENERATE_EXCEPTIONS, sizeof(TCHAR) * (readerNameLen + 1));
memcpy(reader_name_slots[1], &reader[0], (size_t)(readerNameLen + 1));
}
}
if (reader_name_slots[0])
printf("%s: Using reader slot 0: %s\n", module, reader_name_slots[0]);
if (reader_name_slots[1])
printf("%s: Using reader slot 1: %s\n", module, reader_name_slots[1]);
reader_count = reader_name_slots[1] ? 2 : 1;
memset(&reader_states[0], 0, sizeof(SCARD_READERSTATE));
reader_states[0].szReader = reader_name_slots[0];
memset(&reader_states[1], 0, sizeof(SCARD_READERSTATE));
reader_states[1].szReader = reader_name_slots[1];
return TRUE;
default:
printf("%s: Failed SCardListReaders: 0x%08X\n", module, lRet);
return FALSE;
}
}

46
src/scard/scard.h Normal file
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@ -0,0 +1,46 @@
/**
* MIT-License
* Copyright (c) 2018 by nolm <nolan@nolm.name>
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to
* deal in the Software without restriction, including without limitation the
* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
* sell copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
* IN THE SOFTWARE.
*
* Modified version.
*/
#pragma once
#include <stdbool.h>
#include <stdint.h>
#include <stdio.h>
#include <winscard.h>
#include <windows.h>
// cardinfo_t is a description of a card that was presented to a reader
typedef struct card_info
{
int card_type;
uint8_t uid[8];
} card_info_t;
void scard_update(uint8_t *buf);
void scard_poll(uint8_t *buf, SCARDCONTEXT _hContext, LPCTSTR _readerName, uint8_t unit_no);
void scard_clear(uint8_t unitNo);
bool scard_init();