hasp.cpp

#include "hasp.h"
#include <vector>
#include <endianness.h>
#include <string.h>
#include "shared/line.h"

uint32_t haspCalculateCrc(uint8_t* data, uint32_t length) {
    std::vector<uint32_t> table = { 0x00000000, 0x04C11DB7, 0x09823B6E, 0x0D4326D9, 0x130476DC, 0x17C56B6B, 0x1A864DB2, 0x1E475005, 0x2608EDB8, 0x22C9F00F, 0x2F8AD6D6, 0x2B4BCB61, 0x350C9B64, 0x31CD86D3, 0x3C8EA00A, 0x384FBDBD, 0x4C11DB70, 0x48D0C6C7, 0x4593E01E, 0x4152FDA9, 0x5F15ADAC, 0x5BD4B01B, 0x569796C2, 0x52568B75, 0x6A1936C8, 0x6ED82B7F, 0x639B0DA6, 0x675A1011, 0x791D4014, 0x7DDC5DA3, 0x709F7B7A, 0x745E66CD, 0x9823B6E0, 0x9CE2AB57, 0x91A18D8E, 0x95609039, 0x8B27C03C, 0x8FE6DD8B, 0x82A5FB52, 0x8664E6E5, 0xBE2B5B58, 0xBAEA46EF, 0xB7A96036, 0xB3687D81, 0xAD2F2D84, 0xA9EE3033, 0xA4AD16EA, 0xA06C0B5D, 0xD4326D90, 0xD0F37027, 0xDDB056FE, 0xD9714B49, 0xC7361B4C, 0xC3F706FB, 0xCEB42022, 0xCA753D95, 0xF23A8028, 0xF6FB9D9F, 0xFBB8BB46, 0xFF79A6F1, 0xE13EF6F4, 0xE5FFEB43, 0xE8BCCD9A, 0xEC7DD02D, 0x34867077, 0x30476DC0, 0x3D044B19, 0x39C556AE, 0x278206AB, 0x23431B1C, 0x2E003DC5, 0x2AC12072, 0x128E9DCF, 0x164F8078, 0x1B0CA6A1, 0x1FCDBB16, 0x018AEB13, 0x054BF6A4, 0x0808D07D, 0x0CC9CDCA, 0x7897AB07, 0x7C56B6B0, 0x71159069, 0x75D48DDE, 0x6B93DDDB, 0x6F52C06C, 0x6211E6B5, 0x66D0FB02, 0x5E9F46BF, 0x5A5E5B08, 0x571D7DD1, 0x53DC6066, 0x4D9B3063, 0x495A2DD4, 0x44190B0D, 0x40D816BA, 0xACA5C697, 0xA864DB20, 0xA527FDF9, 0xA1E6E04E, 0xBFA1B04B, 0xBB60ADFC, 0xB6238B25, 0xB2E29692, 0x8AAD2B2F, 0x8E6C3698, 0x832F1041, 0x87EE0DF6, 0x99A95DF3, 0x9D684044, 0x902B669D, 0x94EA7B2A, 0xE0B41DE7, 0xE4750050, 0xE9362689, 0xEDF73B3E, 0xF3B06B3B, 0xF771768C, 0xFA325055, 0xFEF34DE2, 0xC6BCF05F, 0xC27DEDE8, 0xCF3ECB31, 0xCBFFD686, 0xD5B88683, 0xD1799B34, 0xDC3ABDED, 0xD8FBA05A, 0x690CE0EE, 0x6DCDFD59, 0x608EDB80, 0x644FC637, 0x7A089632, 0x7EC98B85, 0x738AAD5C, 0x774BB0EB, 0x4F040D56, 0x4BC510E1, 0x46863638, 0x42472B8F, 0x5C007B8A, 0x58C1663D, 0x558240E4, 0x51435D53, 0x251D3B9E, 0x21DC2629, 0x2C9F00F0, 0x285E1D47, 0x36194D42, 0x32D850F5, 0x3F9B762C, 0x3B5A6B9B, 0x0315D626, 0x07D4CB91, 0x0A97ED48, 0x0E56F0FF, 0x1011A0FA, 0x14D0BD4D, 0x19939B94, 0x1D528623, 0xF12F560E, 0xF5EE4BB9, 0xF8AD6D60, 0xFC6C70D7, 0xE22B20D2, 0xE6EA3D65, 0xEBA91BBC, 0xEF68060B, 0xD727BBB6, 0xD3E6A601, 0xDEA580D8, 0xDA649D6F, 0xC423CD6A, 0xC0E2D0DD, 0xCDA1F604, 0xC960EBB3, 0xBD3E8D7E, 0xB9FF90C9, 0xB4BCB610, 0xB07DABA7, 0xAE3AFBA2, 0xAAFBE615, 0xA7B8C0CC, 0xA379DD7B, 0x9B3660C6, 0x9FF77D71, 0x92B45BA8, 0x9675461F, 0x8832161A, 0x8CF30BAD, 0x81B02D74, 0x857130C3, 0x5D8A9099, 0x594B8D2E, 0x5408ABF7, 0x50C9B640, 0x4E8EE645, 0x4A4FFBF2, 0x470CDD2B, 0x43CDC09C, 0x7B827D21, 0x7F436096, 0x7200464F, 0x76C15BF8, 0x68860BFD, 0x6C47164A, 0x61043093, 0x65C52D24, 0x119B4BE9, 0x155A565E, 0x18197087, 0x1CD86D30, 0x029F3D35, 0x065E2082, 0x0B1D065B, 0x0FDC1BEC, 0x3793A651, 0x3352BBE6, 0x3E119D3F, 0x3AD08088, 0x2497D08D, 0x2056CD3A, 0x2D15EBE3, 0x29D4F654, 0xC5A92679, 0xC1683BCE, 0xCC2B1D17, 0xC8EA00A0, 0xD6AD50A5, 0xD26C4D12, 0xDF2F6BCB, 0xDBEE767C, 0xE3A1CBC1, 0xE760D676, 0xEA23F0AF, 0xEEE2ED18, 0xF0A5BD1D, 0xF464A0AA, 0xF9278673, 0xFDE69BC4, 0x89B8FD09, 0x8D79E0BE, 0x803AC667, 0x84FBDBD0, 0x9ABC8BD5, 0x9E7D9662, 0x933EB0BB, 0x97FFAD0C, 0xAFB010B1, 0xAB710D06, 0xA6322BDF, 0xA2F33668, 0xBCB4666D, 0xB8757BDA, 0xB5365D03, 0xB1F740B4 };

    uint32_t crc = 0xFFFFFFFF;
    for (uint32_t i = 0; i < length; i++)
        crc = (crc << 8) ^ table[((crc >> 24) ^ data[i]) & 0xFF];
    return crc >> 0;
}

void PointLimitData::UpdateChecksum() {
    this->checksum = bswap32(haspCalculateCrc((uint8_t*)this, 12));
}

void PointData::UpdateChecksum() {
    this->checksum = bswap32(haspCalculateCrc((uint8_t*)this, 12));
}

void ApplicationData::Initialize() {
    this->pointLimit.initialized = true;
    this->pointLimit.settlementMonth = bswap16(0);
    this->pointLimit.upperToken = bswap32(5);
    this->pointLimit.lowerToken = bswap32(0);
    this->pointLimit.UpdateChecksum();
}

void ApplicationData::SetPoints(uint32_t points) {
    this->points[0].cost = bswap32(1);
    this->points[0].limit = bswap32(points);
    this->points[0].current = bswap32(1);
    this->points[0].UpdateChecksum();
    memcpy(&this->points[1], &this->points[0], sizeof(PointData));
}

void SystemData::UpdateChecksum() {
    uint8_t crc = 0;
    for (int i = 0; i < 62; i++)
        crc += ((uint8_t*)this)[i];
    this->checksum = crc & 0xFF;
    this->neg_checksum = this->checksum ^ 0xFF;
}

void SystemData::SetSerial(const char* serial) {
    strcpy(this->serial, serial);
    this->UpdateChecksum();
}


HaspData HASP_DATA;


int hasp_login(int a1, char *vendorKey, int *handle)
{
    return 0;
}

int hasp_logout(int handle)
{
    return 0;
}

int hasp_decrypt(int handle, uint8_t *buffer, int length)
{
    return 0;
}

int hasp_get_size(int handle, int fileId, int *size)
{
    *size = sizeof(HASP_DATA);
    return 0;
}

int hasp_read(int handle, int fileId, int offset, int length, uint8_t *buffer)
{
    memcpy(buffer, ((uint8_t *)&HASP_DATA) + offset, length);
    return 0;
}

int hasp_write(int handle, int fileId, int offset, int length, uint8_t *buffer)
{
    memcpy(((uint8_t *)&HASP_DATA) + offset, buffer, length);
    return 0;
}

void hasp_init(const char* serial) {
    memset(&HASP_DATA, 0, sizeof(HASP_DATA));

    HASP_DATA.app.Initialize();
    HASP_DATA.app.SetPoints(9999);
    HASP_DATA.sys.SetSerial(serial);

    // hasp
    Line::Hook((void *)0x8c4ec00, (void *)hasp_login);
    Line::Hook((void *)0x8c4eca0, (void *)hasp_logout);
    Line::Hook((void *)0x8c4ee78, (void *)hasp_decrypt);
    Line::Hook((void *)0x8c4fb90, (void *)hasp_get_size);
    Line::Hook((void *)0x8c4f9f8, (void *)hasp_read);
    Line::Hook((void *)0x8c4fac4, (void *)hasp_write);
}