bool getPngAsBase64(const Tile& tile,const std::vector<RoadSegment>& segments,std::string& base64_str) { agg::int8u* buffer = new agg::int8u[tile.getByteSize()]; memset(buffer, 0 , tile.getByteSize()); agg::rendering_buffer rbuf = agg::rendering_buffer(buffer, tile.getImgWidth(), tile.getImgHeight(), tile.getImgWidth() * tile.getBytesPerPixel()); render(tile, segments, rbuf); getBase64String(rbuf, base64_str); delete [] buffer; return true; }
int main(int argc, char **argv) { int res; nfc_connstring devices[8]; size_t device_count; nfc_context *nfcctx; char *uid = NULL; init_crypto_state(); nfc_init(&nfcctx); device_count = nfc_list_devices(nfcctx,devices,8); if (device_count <= 0) { std::cerr << "No device found" << std::endl; } device = nfc_open(nfcctx, devices[0]); tags = freefare_get_tags(device); if (tags[0] == NULL) { std::cerr << "No tag on device" << std::endl; exit(1); } for (int i = 0; tags[i]; i++) { if (freefare_get_tag_type(tags[i]) == CLASSIC_1K) { tag = tags[i]; res = mifare_classic_connect(tag); if (res != 0) { std::cout << "Error connecting to MiFare Classic" << std::endl; exit(1); } std::cout << "Connected to MiFare Classic" << std::endl; uid = freefare_get_tag_uid(tag); break; } } std::cout << "UID: " << uid << std::endl; MifareClassicKey *keyA = (MifareClassicKey *)get_random_bytes(6); std::cout << "Key A: "; print_hex(*keyA,6); char *b64KeyA = getBase64String((char *)keyA,6); std::cout << b64KeyA << std::endl; std::cout << "Key B: "; MifareClassicKey *keyB = (MifareClassicKey *)get_random_bytes(6); print_hex(*keyB,6); char *b64KeyB = getBase64String((char *)keyB,6); bool addedToServer = addCard(uid,b64KeyA,b64KeyB); if (!addedToServer) { printf("Not added to server\n"); } // Authenticate with default key to make changes MifareClassicBlockNumber lastTrailer = mifare_classic_sector_last_block(15); res = mifare_classic_authenticate(tag,lastTrailer,defaultKey,MFC_KEY_A); if (res != 0) { printf("Could not authenticate with default key.. card already formatted?\n"); return -1; } MifareClassicBlockNumber firstBlock = mifare_classic_sector_first_block(15); res = mifare_classic_init_value(tag,firstBlock,SECTOR_15_BLOCK_0_INIT,firstBlock); if (res != 0) { printf("Could not init value block %d\n",firstBlock); } MifareClassicBlock trailerBlock; mifare_classic_trailer_block(&trailerBlock,*keyA,0x03,0x00,0x00,0x04,0x00, *keyB); print_hex(trailerBlock, sizeof(MifareClassicBlock)); res = mifare_classic_write(tag,lastTrailer,trailerBlock); if (res != 0) { printf("Could not write sector 15 trailer. STOP\n"); return -1; } MifareClassicBlock normalTrailerBlock; mifare_classic_trailer_block(&normalTrailerBlock,*keyA,0x00,0x00,0x00,0x04,0x00,*keyB); printf("Writing normal trailer block "); print_hex(&normalTrailerBlock[0], sizeof(MifareClassicBlock)); MifareClassicSectorNumber sector; for(sector=0; sector<15;sector++) { MifareClassicBlockNumber trailerBlockNumber = mifare_classic_sector_last_block(sector); res = mifare_classic_authenticate(tag,trailerBlockNumber,defaultKey,MFC_KEY_A); if (res != 0) { printf("Could not authenticate with default key.. card already formatted?\n"); return -1; } res = mifare_classic_write(tag,trailerBlockNumber,normalTrailerBlock); if (res != 0) { printf("Could not write trailer block for sector %d\n",sector); return -1; } else { printf("Wrote trailer block for sector %d\n",sector); } } free(keyA); free(keyB); free(b64KeyA); free(b64KeyB); free(uid); freefare_free_tags(tags); nfc_close(device); }