github/proxmark3
1
0
Fork 0
mirror of https://github.com/Proxmark/proxmark3.git synced 2025-08-22 06:13:27 -07:00
Code Issues Projects Releases Packages Wiki Activity Actions

json extract params works

Browse source
This commit is contained in:
merlokk 2018-08-23 18:34:03 +03:00
commit edf2582fd5
1 changed files with 9 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

9
client/emv/cmdemv.c
View file

@ -336,6 +336,7 @@ bool ParamLoadFromJson() {
json_decref(root); json_decref(root);
return false; return false;
} }
const char *tlvType = json_string_value(jtype);
jvalue = json_object_get(data, "value"); jvalue = json_object_get(data, "value");
if(!json_is_string(jvalue)) if(!json_is_string(jvalue))
@ -344,6 +345,7 @@ bool ParamLoadFromJson() {
json_decref(root); json_decref(root);
return false; return false;
} }
const char *tlvValue = json_string_value(jvalue);
jlength = json_object_get(data, "length"); jlength = json_object_get(data, "length");
if(!json_is_number(jlength)) if(!json_is_number(jlength))
@ -353,7 +355,14 @@ bool ParamLoadFromJson() {
return false; return false;
} }
int tlvLength = json_integer_value(jlength);
if (tlvLength > 250) {
PrintAndLog("Load params: data [%d] length more than 250", i + 1);
json_decref(root);
return false;
}
PrintAndLog("TLV param: %s[%d]=%s", tlvType, tlvLength, tlvValue);