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Implemented a function to safely load dictionaries.

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Matthias Konrath
2019-08-28 09:34:46 +02:00
parent ab095cb39d
commit 225b18d5fc
4 changed files with 91 additions and 14 deletions
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3
client/cmdlft55xx.c
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@@ -2127,7 +2127,6 @@ static int CmdT55xxChkPwds(const char *Cmd) {
if (use_pwd_file) {
uint16_t keycount = 0;
size_t datalen = 0;
// TODO, a way of reallocating memory if file was larger
keyBlock = calloc(4 * 200, sizeof(uint8_t));
@@ -2136,7 +2135,7 @@ static int CmdT55xxChkPwds(const char *Cmd) {
return PM3_ESOFT;
}
int res = loadFileDICTIONARY(filename, keyBlock, &datalen, 4, &keycount);
int res = loadFileDICTIONARY_safe(filename, &keyBlock, 4, &keycount);
if (res || keycount == 0) {
PrintAndLogEx(WARNING, "No keys found in file");
free(keyBlock);