dash/proxmark3
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

fix: possible bad null ref

Browse Source
This commit is contained in:
iceman1001
2019-02-24 20:00:41 +01:00
parent c650c23856
commit 17fcd8c24b
1 changed files with 11 additions and 11 deletions
Download Patch File Download Diff File Expand all files Collapse all files

22
client/emv/emvjson.c
View File

@@ -242,20 +242,20 @@ int JsonSaveTLVTree(json_t *root, json_t *elm, char *path, struct tlvdb *tlvdbel
bool HexToBuffer(const char *errormsg, const char *hexvalue, uint8_t * buffer, size_t maxbufferlen, size_t *bufferlen) { bool HexToBuffer(const char *errormsg, const char *hexvalue, uint8_t * buffer, size_t maxbufferlen, size_t *bufferlen) {
int buflen = 0; int buflen = 0;
switch(param_gethex_to_eol(hexvalue, 0, buffer, maxbufferlen, &buflen)) { switch (param_gethex_to_eol(hexvalue, 0, buffer, maxbufferlen, &buflen)) {
case 1: case 1:
PrintAndLog("%s Invalid HEX value.", errormsg); PrintAndLog("%s Invalid HEX value.", errormsg);
return false; return false;
case 2: case 2:
PrintAndLog("%s Hex value too large.", errormsg); PrintAndLog("%s Hex value too large.", errormsg);
return false; return false;
case 3: case 3:
PrintAndLog("%s Hex value must have even number of digits.", errormsg); PrintAndLog("%s Hex value must have even number of digits.", errormsg);
return false; return false;
} }
if (buflen > maxbufferlen) { if (buflen > maxbufferlen) {
PrintAndLog("%s HEX length (%d) more than %d", errormsg, *bufferlen, maxbufferlen); PrintAndLog("%s HEX length (%d) more than %d", errormsg, (bufferlen) ? *bufferlen : -1, maxbufferlen);
return false; return false;
} }