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[mod] hf list: allow traces bigger than 64K to be saved and loaded

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pwpiwi 2018-03-19 21:14:10 +01:00
commit 4b3ede7028
1 changed files with 9 additions and 9 deletions
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18
client/cmdhf.c
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@ -461,24 +461,24 @@ int CmdHFList(const char *Cmd)
uint8_t *trace; uint8_t *trace;
uint16_t tracepos = 0; uint32_t tracepos = 0;
uint16_t traceLen = 0; uint32_t traceLen = 0;
if (loadFromFile) { if (loadFromFile) {
FILE *tracefile = NULL; FILE *tracefile = NULL;
size_t bytes_read; size_t bytes_read;
uint8_t buf[2]; uint8_t buf[4];
if ((tracefile = fopen(filename,"rb")) == NULL) { if ((tracefile = fopen(filename,"rb")) == NULL) {
PrintAndLog("Could not open file %s", filename); PrintAndLog("Could not open file %s", filename);
return 0; return 0;
} }
bytes_read = fread(buf, 1, 2, tracefile); bytes_read = fread(buf, 1, 4, tracefile);
if (bytes_read != 2) { if (bytes_read != 4) {
PrintAndLog("File reading error."); PrintAndLog("File reading error.");
fclose(tracefile); fclose(tracefile);
return 1; return 1;
} }
traceLen = bytes_to_num(buf, 2); // little endian in file traceLen = bytes_to_num(buf, 4); // little endian in file
trace = malloc(traceLen+2); trace = malloc(traceLen+2);
if (trace == NULL) { if (trace == NULL) {
PrintAndLog("Cannot allocate memory for trace"); PrintAndLog("Cannot allocate memory for trace");
@ -512,13 +512,13 @@ int CmdHFList(const char *Cmd)
if (saveToFile) { if (saveToFile) {
FILE *traceFile = NULL; FILE *traceFile = NULL;
uint8_t buf[2]; uint8_t buf[4];
if ((traceFile = fopen(filename,"wb")) == NULL) { if ((traceFile = fopen(filename,"wb")) == NULL) {
PrintAndLog("Could not create file %s", filename); PrintAndLog("Could not create file %s", filename);
return 1; return 1;
} }
num_to_bytes(traceLen, 2, buf); num_to_bytes(traceLen, 4, buf);
fwrite(buf, 1, 2, traceFile); fwrite(buf, 1, 4, traceFile);
fwrite(trace, 1, traceLen, traceFile); fwrite(trace, 1, traceLen, traceFile);
PrintAndLog("Recorded Activity (TraceLen = %d bytes) written to file %s", traceLen, filename); PrintAndLog("Recorded Activity (TraceLen = %d bytes) written to file %s", traceLen, filename);
} else { } else {