src/lib/felicalib.c

/*
  felicalib - FeliCa access wrapper library

  Copyright (c) 2007, Takuya Murakami, All rights reserved.

  Redistribution and use in source and binary forms, with or without
  modification, are permitted provided that the following conditions are
  met:

  1. Redistributions of source code must retain the above copyright notice,
  this list of conditions and the following disclaimer. 

  2. Redistributions in binary form must reproduce the above copyright
  notice, this list of conditions and the following disclaimer in the
  documentation and/or other materials provided with the distribution. 

  3. Neither the name of the project nor the names of its contributors
  may be used to endorse or promote products derived from this software
  without specific prior written permission. 

  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
  CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
  LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/**
   @file felicalib.c

   felicalib �{��
*/

#include "felicalib.h"
#include "felicaint.h"

#include <tchar.h>
#include <shlobj.h>
#include <stdio.h>

/**
   @brief PaSoRi ���I�[�v������
   @param[in] dummy �_�~�[ (libpasori ����������������)
   @retval pasori �n���h��

   felica.dll �����[�h�A����������
*/
pasori *pasori_open(char *dummy)
{
    TCHAR cp[_MAX_PATH], dllpath[_MAX_PATH];

    /* get felica.dll path */
    SHGetSpecialFolderPath(NULL, cp, CSIDL_PROGRAM_FILES_COMMON, FALSE);
    _stprintf(dllpath, _T("%s\\Sony Shared\\FeliCaLibrary\\felica.dll"), cp);

    return pasori_open2(dllpath);
}

pasori *pasori_open2(TCHAR *dllpath)
{
    pasori *p;

    /* open felica.dll */
    p = (pasori *)malloc(sizeof(pasori));
    p->hInstDLL = LoadLibrary(dllpath);
    if (p->hInstDLL == NULL) {
        free(p);
        return NULL;
    }
        
    /* resolve function pointers */
#define resolve_entry(f) p->f = (f ## _t)GetProcAddress(p->hInstDLL, #f)
    resolve_entry(initialize_library);
    resolve_entry(dispose_library);
    resolve_entry(open_reader_writer_auto);
    resolve_entry(close_reader_writer);
    resolve_entry(polling_and_get_card_information);
    resolve_entry(polling_and_request_system_code);
    resolve_entry(polling_and_search_service_code);
    resolve_entry(read_block_without_encryption);
    resolve_entry(write_block_without_encryption);

    if (!p->initialize_library()) {
        free(p);
        return NULL;
    }
    return p;
}

/**
   @brief PaSoRi �n���h�����N���[�Y����
   @param[in] p pasori�n���h��

   felica.dll ����������
*/
void pasori_close(pasori *p)
{
    p->dispose_library();
    FreeLibrary(p->hInstDLL);
}

/**
   @brief PaSoRi ������������
   @param[in] p pasori�n���h��
   @return �G���[�R�[�h
*/
int pasori_init(pasori *p)
{
    if (!p->open_reader_writer_auto()) {
        return -1;
    }
    return 0;
}

static felica *alloc_felica(pasori *p, uint16 systemcode)
{
    felica *f = (felica *)malloc(sizeof(felica));
    memset(f, 0, sizeof(felica));
    f->p = p;
    f->systemcode = H2NS(systemcode);

    return f;
}

/**
   @brief FeliCa ���|�[�����O����
   @param[in] p pasori�n���h��
   @param[in] systemcode �V�X�e���R�[�h
   @param[in] RFU RFU (�g�p������)
   @param[in] timeslot �^�C���X���b�g
   @return felica�n���h��
*/
felica *felica_polling(pasori *p, uint16 systemcode, uint8 RFU, uint8 timeslot)
{
    felica *f;
    POLLING polling;
    uint16 sc;
    uint8 number_of_cards = 0;
    CARD_INFO card_info;

    f = alloc_felica(p, systemcode);

    sc = H2NS(systemcode);
    polling.system_code = (uint8 *)&sc;
    polling.time_slot = timeslot;

    card_info.card_idm = f->IDm;
    card_info.card_pmm = f->PMm;

    if (!p->polling_and_get_card_information(&polling, &number_of_cards, &card_info) ||
        number_of_cards == 0) {
        free(f);
        return NULL;
    }

    return f;
}

/**
   @brief �������������������u���b�N����������
   @param[in] f felica�n���h��
   @param[in] servicecode �T�[�r�X�R�[�h
   @param[in] mode ���[�h(�g�p������)
   @param[in] addr �u���b�N����
   @param[out] data �f�[�^(16�o�C�g)
   @return �G���[�R�[�h

   �T�[�r�X�R�[�h�A�u���b�N�������w�������u���b�N�����������B
   �V�X�e���R�[�h�� felica_polling ���w�������������g�p�������B
*/
int felica_read_without_encryption02(felica *f, int servicecode, int mode, uint8 addr, uint8 *data)
{
    INSTR_READ_BLOCK irb;
    OUTSTR_READ_BLOCK orb;

    uint8 service_code_list[2];
    uint8 block_list[2];
    uint8 status_flag1, status_flag2;
    uint8 result_number_of_blocks = 0;

    service_code_list[0] = servicecode & 0xff;
    service_code_list[1] = servicecode >> 8;
    block_list[0] = 0x80;
    block_list[1] = addr;

    irb.card_idm = f->IDm;
    irb.number_of_services = 1;
    irb.service_code_list = service_code_list;
    irb.number_of_blocks = 1;
    irb.block_list = block_list;

    orb.status_flag_1 = &status_flag1;
    orb.status_flag_2 = &status_flag2;
    orb.result_number_of_blocks = &result_number_of_blocks;
    orb.block_data = data;

    if (!f->p->read_block_without_encryption(&irb, &orb)) {
        return -1;
    }
    if (status_flag1 != 0) {
        return -1;
    }
    return 0;
}

/*------------- ���������� libpasori ���������� (����) ------------*/

/**
   @brief �������������������u���b�N����������
   @param[in] f felica�n���h��
   @param[in] servicecode �T�[�r�X�R�[�h
   @param[in] mode ���[�h(�g�p������)
   @param[in] addr �u���b�N����
   @param[out] data �f�[�^(16�o�C�g)
   @return �G���[�R�[�h

   �T�[�r�X�R�[�h�A�u���b�N�������w�������u���b�N�����������B
   �V�X�e���R�[�h�� felica_polling ���w�������������g�p�������B
   ����!!! �{���������e�X�g!!!!!
*/
int felica_write_without_encryption(felica *f, int servicecode, uint8 addr, uint8 *data)
{
    INSTR_WRITE_BLOCK irb;
    OUTSTR_WRITE_BLOCK orb;

    uint8 service_code_list[2];
    uint8 block_list[2];
    uint8 status_flag1, status_flag2;

    service_code_list[0] = servicecode & 0xff;
    service_code_list[1] = servicecode >> 8;
    block_list[0] = 0x80;
    block_list[1] = addr;

    irb.card_idm = f->IDm;
    irb.number_of_services = 1;
    irb.service_code_list = service_code_list;
    irb.number_of_blocks = 1;
    irb.block_list = block_list;
    irb.block_data = data;

    orb.status_flag_1 = &status_flag1;
    orb.status_flag_2 = &status_flag2;

    if (!f->p->write_block_without_encryption(&irb, &orb)) {
        return -1;
    }
    if (status_flag1 != 0) {
        return -1;
    }
    return 0;
}

/**
   @brief felica �n���h������
   @param[in] f felica �n���h��
*/
void felica_free(felica *f)
{
    free(f);
}

/**
   @brief IDm ����
   @param[in] f felica �n���h��
   @param[out] buf IDm ���i�[�����o�b�t�@(8�o�C�g)
*/
void felica_getidm(felica *f, uint8 *buf)
{
    memcpy(buf, f->IDm, 8);
}

/**
   @brief PMm ����
   @param[in] f felica �n���h��
   @param[out] buf PMm ���i�[�����o�b�t�@(8�o�C�g)
*/
void felica_getpmm(felica *f, uint8 *buf)
{
    memcpy(buf, f->PMm, 8);
}

/**
   @brief �V�X�e���R�[�h������
   @param[in] p pasori�n���h��
   @return felica�n���h��

   �������Afelica�\������ num_system_code/system_code ���i�[�������B
   �����A�V�X�e���R�[�h���G���f�B�A�����t���i�[���������������������������B
*/
felica * felica_enum_systemcode(pasori *p)
{
    felica *f;
    POLLING polling;
    CARD_INFO card_info;
    INSTR_REQ_SYSTEM_CODE irs;
    OUTSTR_REQ_SYSTEM_CODE ors;

    f = alloc_felica(p, POLLING_ANY);

    polling.system_code = (uint8 *)&f->systemcode;
    polling.time_slot = 0;

    card_info.card_idm = f->IDm;
    card_info.card_pmm = f->PMm;

    irs.card_idm = f->IDm;
    
    ors.system_code_list = (uint8 *)f->system_code;

    if (!f->p->polling_and_request_system_code(&polling, &irs, &card_info, &ors)) {
        free(f);
        return NULL;
    }

    f->num_system_code = ors.number_of_system_codes;
    return f;
}

/**
   @brief �T�[�r�X/�G���A�R�[�h������
   @param[in] p pasori�n���h��
   @param[in] systemcode �V�X�e���R�[�h
   @return felica�n���h��

   �������Afelica�\������ num_area_code/area_code/end_service_code ������
   num_service_code/service_code ���i�[�������B
*/
felica * felica_enum_service(pasori *p, uint16 systemcode)
{
    felica *f;

    POLLING polling;
    CARD_INFO card_info;
    INSTR_SEARCH_SERVICE iss;
    OUTSTR_SEARCH_SERVICE oss;

    f = alloc_felica(p, systemcode);

    polling.system_code = (uint8 *)&f->systemcode;
    polling.time_slot = 0;

    card_info.card_idm = f->IDm;
    card_info.card_pmm = f->PMm;

    iss.buffer_size_of_area_codes = MAX_AREA_CODE;
    iss.buffer_size_of_service_codes = MAX_SERVICE_CODE;
    iss.offset_of_area_service_index = 0;

    oss.num_area_codes = 10;
    oss.num_service_codes = 10;
    oss.service_code_list     = (uint8 *)f->service_code;
    oss.area_code_list        = (uint8 *)f->area_code;
    oss.end_service_code_list = (uint8 *)f->end_service_code;
    
    if (!f->p->polling_and_search_service_code(&polling, &iss, &card_info, &oss)) {
        free(f);
        return NULL;
    }

    f->num_area_code = oss.num_area_codes;
    f->num_service_code = oss.num_service_codes;

    return f;
}