-// load, filename (ascii hex textfile)
-// uploads it to device mem
-int CmdLegicLoad(const char *Cmd) {
-
-// iceman: potential bug, where all filepaths or filename which starts with H or h will print the helptext :)
- char cmdp = param_getchar(Cmd, 0);
- if ( cmdp == 'H' || cmdp == 'h' || cmdp == 0x00) return usage_legic_load();
-
- char filename[FILE_PATH_SIZE] = {0x00};
- int len = strlen(Cmd);
-
- if (len > FILE_PATH_SIZE) {
- PrintAndLog("Filepath too long (was %s bytes), max allowed is %s ", len, FILE_PATH_SIZE);
- return 0;
- }
- memcpy(filename, Cmd, len);
-
- FILE *f = fopen(filename, "r");
- if(!f) {
- PrintAndLog("couldn't open '%s'", Cmd);
- return -1;
- }
-
- char line[80];
- int offset = 0;
- uint8_t data[USB_CMD_DATA_SIZE] = {0x00};
- int index = 0;
- int totalbytes = 0;
- while ( fgets(line, sizeof(line), f) ) {
- int res = sscanf(line, "%x %x %x %x %x %x %x %x",
- (unsigned int *)&data[index],
- (unsigned int *)&data[index + 1],
- (unsigned int *)&data[index + 2],
- (unsigned int *)&data[index + 3],
- (unsigned int *)&data[index + 4],
- (unsigned int *)&data[index + 5],
- (unsigned int *)&data[index + 6],
- (unsigned int *)&data[index + 7]);
-
- if(res != 8) {
- PrintAndLog("Error: could not read samples");
- fclose(f);
- return -1;
- }
- index += res;
-
- if ( index == USB_CMD_DATA_SIZE ){
-// PrintAndLog("sent %d | %d | %d", index, offset, totalbytes);
- UsbCommand c = { CMD_DOWNLOADED_SIM_SAMPLES_125K, {offset, 0, 0}};
- memcpy(c.d.asBytes, data, sizeof(data));
- clearCommandBuffer();
- SendCommand(&c);
- if ( !WaitForResponseTimeout(CMD_ACK, NULL, 1500)){
- PrintAndLog("Command execute timeout");
- fclose(f);
- return 1;
- }
- offset += index;
- totalbytes += index;
- index = 0;
- }
- }
- fclose(f);
-
- // left over bytes?
- if ( index != 0 ) {
- UsbCommand c = { CMD_DOWNLOADED_SIM_SAMPLES_125K, {offset, 0, 0}};
- memcpy(c.d.asBytes, data, 8);
- clearCommandBuffer();
- SendCommand(&c);
- if ( !WaitForResponseTimeout(CMD_ACK, NULL, 1500)){
- PrintAndLog("Command execute timeout");
- return 1;
- }
- totalbytes += index;
- }
-
- PrintAndLog("loaded %u samples", totalbytes);
- return 0;
-}
-
-// Save, filename, num of bytes, starting offset. (in decimal)
-// ie: "hf legic save nnn.txt 100 0 (saves the first 100bytes)
-// (ascii hex textfile)
-int CmdLegicSave(const char *Cmd) {
- int requested = 1024;
- int offset = 0;
- int delivered = 0;
- char filename[FILE_PATH_SIZE] = {0x00};
- uint8_t got[1024] = {0x00};
-
- memset(filename, 0, FILE_PATH_SIZE);
-
- sscanf(Cmd, " %s %i %i", filename, &requested, &offset);
-
- /* If no length given save entire legic read buffer */
- /* round up to nearest 8 bytes so the saved data can be used with legicload */
- if (requested == 0)
- requested = 1024;
-
- if (requested % 8 != 0) {
- int remainder = requested % 8;
- requested = requested + 8 - remainder;
- }
-
- if (offset + requested > sizeof(got)) {
- PrintAndLog("Tried to read past end of buffer, <bytes> + <offset> > 1024");
- return 0;
- }
-
- GetFromBigBuf(got, requested, offset);
- if ( !WaitForResponseTimeout(CMD_ACK, NULL, 2000)){
- PrintAndLog("Command execute timeout");
- return 1;
- }
-
- FILE *f = fopen(filename, "w");
- if(!f) {
- PrintAndLog("couldn't open '%s'", Cmd+1);
- return -1;
- }
-
- for (int j = 0; j < requested; j += 8) {
- fprintf(f, "%02x %02x %02x %02x %02x %02x %02x %02x\n",
- got[j+0], got[j+1], got[j+2], got[j+3],
- got[j+4], got[j+5], got[j+6], got[j+7]
- );
- delivered += 8;
- if (delivered >= requested) break;
- }
-
- fclose(f);
- PrintAndLog("saved %u samples", delivered);
- return 0;
-}
-
-//TODO: write a help text (iceman)
projects / proxmark3-svn / blobdiff