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Added additional checks to the from load dictionary returned data points.

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This commit is contained in:
Matthias Konrath
2019-08-28 09:45:11 +02:00
parent 225b18d5fc
commit 9dc3c39a95
2 changed files with 5 additions and 12 deletions
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11
client/cmdlft55xx.c
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@@ -2128,17 +2128,10 @@ static int CmdT55xxChkPwds(const char *Cmd) {
if (use_pwd_file) {
uint16_t keycount = 0;
// TODO, a way of reallocating memory if file was larger
keyBlock = calloc(4 * 200, sizeof(uint8_t));
if (keyBlock == NULL) {
PrintAndLogEx(ERR, "error, cannot allocate memory ");
return PM3_ESOFT;
}
int res = loadFileDICTIONARY_safe(filename, &keyBlock, 4, &keycount);
if (res || keycount == 0) {
if (res || keycount == 0 || keyBlock == NULL) {
PrintAndLogEx(WARNING, "No keys found in file");
free(keyBlock);
if (keyBlock != NULL) free(keyBlock);
return PM3_ESOFT;
}