X-Git-Url: https://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/14edfd09c3dca127eb09393c0798e66f899adf28..1e3a799d47fc551bb9c1611c6d7db47844dd03b7:/client/cmdhf14b.c diff --git a/client/cmdhf14b.c b/client/cmdhf14b.c index 15a6ab90..cf865875 100644 --- a/client/cmdhf14b.c +++ b/client/cmdhf14b.c @@ -13,10 +13,11 @@ #include #include #include -#include "../common/iso14443crc.h" +#include "iso14443crc.h" #include "proxmark3.h" #include "data.h" #include "graph.h" +#include "util.h" #include "ui.h" #include "cmdparser.h" #include "cmdhf14b.h" @@ -144,11 +145,25 @@ demodError: int CmdHF14BList(const char *Cmd) { - uint8_t got[TRACE_BUFFER_SIZE]; - GetFromBigBuf(got,sizeof(got),0); - WaitForResponse(CMD_ACK,NULL); - - PrintAndLog("recorded activity:"); + uint8_t *got = malloc(USB_CMD_DATA_SIZE); + + // Query for the actual size of the trace + UsbCommand response; + GetFromBigBuf(got, USB_CMD_DATA_SIZE, 0); + WaitForResponse(CMD_ACK, &response); + uint16_t traceLen = response.arg[2]; + if (traceLen > USB_CMD_DATA_SIZE) { + uint8_t *p = realloc(got, traceLen); + if (p == NULL) { + PrintAndLog("Cannot allocate memory for trace"); + free(got); + return 2; + } + got = p; + GetFromBigBuf(got, traceLen, 0); + WaitForResponse(CMD_ACK,NULL); + } + PrintAndLog("recorded activity: (TraceLen = %d bytes)", traceLen); PrintAndLog(" time :rssi: who bytes"); PrintAndLog("---------+----+----+-----------"); @@ -157,7 +172,7 @@ int CmdHF14BList(const char *Cmd) for(;;) { - if(i >= TRACE_BUFFER_SIZE) { break; } + if(i >= traceLen) { break; } bool isResponse; int timestamp = *((uint32_t *)(got+i)); @@ -174,7 +189,7 @@ int CmdHF14BList(const char *Cmd) if(len > 100) { break; } - if(i + len >= TRACE_BUFFER_SIZE) { + if(i + len >= traceLen) { break; } @@ -217,6 +232,7 @@ int CmdHF14BList(const char *Cmd) prev = timestamp; i += (len + 9); } + free(got); return 0; } @@ -279,7 +295,7 @@ int CmdHF14BCmdRaw (const char *cmd) { uint8_t power=0; char buf[5]=""; int i=0; - uint8_t data[100]; + uint8_t data[100] = {0x00}; unsigned int datalen=0, temp; char *hexout; @@ -333,7 +349,7 @@ int CmdHF14BCmdRaw (const char *cmd) { continue; } PrintAndLog("Invalid char on input"); - return 0; + return 1; } if (datalen == 0) { @@ -356,7 +372,7 @@ int CmdHF14BCmdRaw (const char *cmd) { SendCommand(&c); if (reply) { - if (WaitForResponseTimeout(CMD_ACK,&resp,10000)) { + if (WaitForResponseTimeout(CMD_ACK,&resp,1000)) { recv = resp.d.asBytes; PrintAndLog("received %i octets",resp.arg[0]); if(!resp.arg[0]) @@ -447,7 +463,7 @@ int CmdHF14BWrite( const char *Cmd){ else PrintAndLog("[%s] Write block %02X [ %s ]", (isSrix4k)?"SRIX4K":"SRI512", blockno, sprint_hex(data,4) ); - sprintf(str, "-c -p 09 %02x %02x%02x%02x%02x", blockno, data[0], data[1], data[2], data[3]); + sprintf(str, "-c 09 %02x %02x%02x%02x%02x", blockno, data[0], data[1], data[2], data[3]); CmdHF14BCmdRaw(str); return 0;