long fsize = ftell(f);
fseek(f, 0, SEEK_SET);
- uint8_t *dump = malloc(fsize);
+ if (fsize < 0) {
+ PrintAndLog("Error, when getting filesize");
+ fclose(f);
+ return 1;
+ }
+ uint8_t *dump = malloc(fsize);
size_t bytes_read = fread(dump, 1, fsize, f);
fclose(f);
errors = param_gethex(tempStr, 0, CreditKEY, dataLen);
} else if (dataLen == 1) {
keyNbr = param_get8(Cmd, cmdp+1);
- if (keyNbr <= ICLASS_KEYS_MAX) {
+ if (keyNbr < ICLASS_KEYS_MAX) {
memcpy(CreditKEY, iClass_Key_Table[keyNbr], 8);
} else {
PrintAndLog("\nERROR: Credit KeyNbr is invalid\n");
errors = param_gethex(tempStr, 0, KEY, dataLen);
} else if (dataLen == 1) {
keyNbr = param_get8(Cmd, cmdp+1);
- if (keyNbr <= ICLASS_KEYS_MAX) {
+ if (keyNbr < ICLASS_KEYS_MAX) {
memcpy(KEY, iClass_Key_Table[keyNbr], 8);
} else {
PrintAndLog("\nERROR: Credit KeyNbr is invalid\n");
errors = param_gethex(tempStr, 0, KEY, dataLen);
} else if (dataLen == 1) {
keyNbr = param_get8(Cmd, cmdp+1);
- if (keyNbr <= ICLASS_KEYS_MAX) {
+ if (keyNbr < ICLASS_KEYS_MAX) {
memcpy(KEY, iClass_Key_Table[keyNbr], 8);
} else {
PrintAndLog("\nERROR: Credit KeyNbr is invalid\n");
errors = param_gethex(tempStr, 0, KEY, dataLen);
} else if (dataLen == 1) {
keyNbr = param_get8(Cmd, cmdp+1);
- if (keyNbr <= ICLASS_KEYS_MAX) {
+ if (keyNbr < ICLASS_KEYS_MAX) {
memcpy(KEY, iClass_Key_Table[keyNbr], 8);
} else {
PrintAndLog("\nERROR: Credit KeyNbr is invalid\n");
// else we have to create a share memory
int i;
fseek(f,startblock*8,SEEK_SET);
- fread(tag_data,sizeof(iclass_block_t),endblock - startblock + 1,f);
+ if ( fread(tag_data,sizeof(iclass_block_t),endblock - startblock + 1,f) == 0 ) {
+ PrintAndLog("File reading error.");
+ fclose(f);
+ return 2;
+ }
uint8_t MAC[4]={0x00,0x00,0x00,0x00};
uint8_t div_key[8]={0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
errors = param_gethex(tempStr, 0, KEY, dataLen);
} else if (dataLen == 1) {
keyNbr = param_get8(Cmd, cmdp+1);
- if (keyNbr <= ICLASS_KEYS_MAX) {
+ if (keyNbr < ICLASS_KEYS_MAX) {
memcpy(KEY, iClass_Key_Table[keyNbr], 8);
} else {
PrintAndLog("\nERROR: Credit KeyNbr is invalid\n");
long fsize = ftell(f);
fseek(f, 0, SEEK_SET);
- uint8_t *dump = malloc(fsize);
+ if ( fsize < 0 ) {
+ PrintAndLog("Error, when getting filesize");
+ fclose(f);
+ return 1;
+ }
+ uint8_t *dump = malloc(fsize);
size_t bytes_read = fread(dump, 1, fsize, f);
fclose(f);
errors = param_gethex(tempStr, 0, NEWKEY, dataLen);
} else if (dataLen == 1) {
keyNbr = param_get8(Cmd, cmdp+1);
- if (keyNbr <= ICLASS_KEYS_MAX) {
+ if (keyNbr < ICLASS_KEYS_MAX) {
memcpy(NEWKEY, iClass_Key_Table[keyNbr], 8);
} else {
PrintAndLog("\nERROR: NewKey Nbr is invalid\n");
errors = param_gethex(tempStr, 0, OLDKEY, dataLen);
} else if (dataLen == 1) {
keyNbr = param_get8(Cmd, cmdp+1);
- if (keyNbr <= ICLASS_KEYS_MAX) {
+ if (keyNbr < ICLASS_KEYS_MAX) {
memcpy(OLDKEY, iClass_Key_Table[keyNbr], 8);
} else {
PrintAndLog("\nERROR: Credit KeyNbr is invalid\n");
long fsize = ftell(f);
fseek(f, 0, SEEK_SET);
+ if ( fsize < 0 ) {
+ PrintAndLog("Error, when getting filesize");
+ fclose(f);
+ return 1;
+ }
+
uint8_t *dump = malloc(fsize);
size_t bytes_read = fread(dump, 1, fsize, f);
case 'n':
case 'N':
keyNbr = param_get8(Cmd, cmdp+1);
- if (keyNbr < 0) {
- PrintAndLog("Wrong block number");
+ if (keyNbr >= ICLASS_KEYS_MAX) {
+ PrintAndLog("Invalid block number");
errors = true;
}
cmdp += 2;