X-Git-Url: https://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/23f0a7d862fb41d21dd90403cb657e91705bf886..acaeccf841f65291f5687824cb5322cc661e8183:/client/cmdlfem4x.c?ds=inline diff --git a/client/cmdlfem4x.c b/client/cmdlfem4x.c index 79e8a8fe..47a5ac3e 100644 --- a/client/cmdlfem4x.c +++ b/client/cmdlfem4x.c @@ -166,6 +166,74 @@ int CmdEM410xWatchnSpoof(const char *Cmd) return 0; } +int CmdEM410xWrite(const char *Cmd) +{ + uint64_t id = 0xFFFFFFFFFFFFFFFF; // invalid id value + int card = 0xFF; // invalid card value + unsigned int clock = 0; // invalid clock value + + sscanf(Cmd, "%" PRIx64 " %d %d", &id, &card, &clock); + + // Check ID + if (id == 0xFFFFFFFFFFFFFFFF) { + PrintAndLog("Error! ID is required.\n"); + return 0; + } + if (id >= 0x10000000000) { + PrintAndLog("Error! Given EM410x ID is longer than 40 bits.\n"); + return 0; + } + + // Check Card + if (card == 0xFF) { + PrintAndLog("Error! Card type required.\n"); + return 0; + } + if (card < 0) { + PrintAndLog("Error! Bad card type selected.\n"); + return 0; + } + + // Check Clock + if (card == 1) + { + // Default: 64 + if (clock == 0) + clock = 64; + + // Allowed clock rates: 16, 32 and 64 + if ((clock != 16) && (clock != 32) && (clock != 64)) { + PrintAndLog("Error! Clock rate %d not valid. Supported clock rates are 16, 32 and 64.\n", clock); + return 0; + } + } + else if (clock != 0) + { + PrintAndLog("Error! Clock rate is only supported on T55x7 tags.\n"); + return 0; + } + + if (card == 1) { + PrintAndLog("Writing %s tag with UID 0x%010" PRIx64 " (clock rate: %d)", "T55x7", id, clock); + // NOTE: We really should pass the clock in as a separate argument, but to + // provide for backwards-compatibility for older firmware, and to avoid + // having to add another argument to CMD_EM410X_WRITE_TAG, we just store + // the clock rate in bits 8-15 of the card value + card = (card & 0xFF) | (((uint64_t)clock << 8) & 0xFF00); + } + else if (card == 0) + PrintAndLog("Writing %s tag with UID 0x%010" PRIx64, "T5555", id, clock); + else { + PrintAndLog("Error! Bad card type selected.\n"); + return 0; + } + + UsbCommand c = {CMD_EM410X_WRITE_TAG, {card, (uint32_t)(id >> 32), (uint32_t)id}}; + SendCommand(&c); + + return 0; +} + bool EM_EndParityTest(uint8_t *BitStream, size_t size, uint8_t rows, uint8_t cols, uint8_t pType) { if (rows*cols>size) return false; @@ -300,7 +368,7 @@ int EM4x50Read(const char *Cmd, bool verbose) break; } } - } + } else tol = clk/8; // look for data start - should be 2 pairs of LW (pulses of clk*3,clk*2) start= -1; @@ -426,74 +494,6 @@ int CmdEM4x50Read(const char *Cmd) return EM4x50Read(Cmd, true); } -int CmdEM410xWrite(const char *Cmd) -{ - uint64_t id = 0xFFFFFFFFFFFFFFFF; // invalid id value - int card = 0xFF; // invalid card value - unsigned int clock = 0; // invalid clock value - - sscanf(Cmd, "%" PRIx64 " %d %d", &id, &card, &clock); - - // Check ID - if (id == 0xFFFFFFFFFFFFFFFF) { - PrintAndLog("Error! ID is required.\n"); - return 0; - } - if (id >= 0x10000000000) { - PrintAndLog("Error! Given EM410x ID is longer than 40 bits.\n"); - return 0; - } - - // Check Card - if (card == 0xFF) { - PrintAndLog("Error! Card type required.\n"); - return 0; - } - if (card < 0) { - PrintAndLog("Error! Bad card type selected.\n"); - return 0; - } - - // Check Clock - if (card == 1) - { - // Default: 64 - if (clock == 0) - clock = 64; - - // Allowed clock rates: 16, 32 and 64 - if ((clock != 16) && (clock != 32) && (clock != 64)) { - PrintAndLog("Error! Clock rate %d not valid. Supported clock rates are 16, 32 and 64.\n", clock); - return 0; - } - } - else if (clock != 0) - { - PrintAndLog("Error! Clock rate is only supported on T55x7 tags.\n"); - return 0; - } - - if (card == 1) { - PrintAndLog("Writing %s tag with UID 0x%010" PRIx64 " (clock rate: %d)", "T55x7", id, clock); - // NOTE: We really should pass the clock in as a separate argument, but to - // provide for backwards-compatibility for older firmware, and to avoid - // having to add another argument to CMD_EM410X_WRITE_TAG, we just store - // the clock rate in bits 8-15 of the card value - card = (card & 0xFF) | (((uint64_t)clock << 8) & 0xFF00); - } - else if (card == 0) - PrintAndLog("Writing %s tag with UID 0x%010" PRIx64, "T5555", id, clock); - else { - PrintAndLog("Error! Bad card type selected.\n"); - return 0; - } - - UsbCommand c = {CMD_EM410X_WRITE_TAG, {card, (uint32_t)(id >> 32), (uint32_t)id}}; - SendCommand(&c); - - return 0; -} - int CmdReadWord(const char *Cmd) { int Word = -1; //default to invalid word