Mirror/CyberChef
1
0
Fork 0
mirror of https://github.com/gchq/CyberChef.git synced 2024-11-02 14:11:02 +01:00
Code Issues Packages Projects Releases Wiki Activity

Added numeric validation for arguments in Binary and Hex operattions. Fixes #1178

Browse Source
This commit is contained in:
n1474335 2021-02-22 19:13:38 +00:00
parent 95884d77cf
commit 1e0e7f16a7
5 changed files with 18 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
src/core/lib/Binary.mjs
View File

@ -7,6 +7,7 @@
*/
import Utils from "../Utils.mjs";
import OperationError from "../errors/OperationError.mjs";
/**
@ -58,6 +59,9 @@ export function toBinary(data, delim="Space", padding=8) {
* fromBinary("00010000:00100000:00110000", "Colon");
*/
export function fromBinary(data, delim="Space", byteLen=8) {
if (byteLen < 1 || Math.round(byteLen) !== byteLen)
throw new OperationError("Byte length must be a positive integer");
const delimRegex = Utils.regexRep(delim);
data = data.replace(delimRegex, "");

4
src/core/lib/Hex.mjs
View File

@ -7,6 +7,7 @@
*/
import Utils from "../Utils.mjs";
import OperationError from "../errors/OperationError.mjs";
/**
@ -100,6 +101,9 @@ export function toHexFast(data) {
* fromHex("0a:14:1e", "Colon");
*/
export function fromHex(data, delim="Auto", byteLen=2) {
if (byteLen < 1 || Math.round(byteLen) !== byteLen)
throw new OperationError("Byte length must be a positive integer");
if (delim !== "None") {
const delimRegex = delim === "Auto" ? /[^a-f\d]|(0x)/gi : Utils.regexRep(delim);
data = data.replace(delimRegex, "");

3
src/core/operations/FromBinary.mjs
View File

@ -35,7 +35,8 @@ class FromBinary extends Operation {
{
"name": "Byte Length",
"type": "number",
"value": 8
"value": 8,
"min": 1
}
];
this.checks = [

7
src/core/operations/ToHexdump.mjs
View File

@ -6,6 +6,7 @@
import Operation from "../Operation.mjs";
import Utils from "../Utils.mjs";
import OperationError from "../errors/OperationError.mjs";
/**
* To Hexdump operation
@ -28,7 +29,8 @@ class ToHexdump extends Operation {
{
"name": "Width",
"type": "number",
"value": 16
"value": 16,
"min": 1
},
{
"name": "Upper case hex",
@ -58,6 +60,9 @@ class ToHexdump extends Operation {
const [length, upperCase, includeFinalLength, unixFormat] = args;
const padding = 2;
if (length < 1 || Math.round(length) !== length)
throw new OperationError("Width must be a positive integer");
let output = "";
for (let i = 0; i < data.length; i += length) {
const buff = data.slice(i, i+length);