Skip to content

Shows dataflows when in intrafile taint #70

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
sampion88 merged 1 commit into from
Jul 7, 2026
Merged

Shows dataflows when in intrafile taint #70

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
45 changes: 39 additions & 6 deletions src/components/CodeEditor.vue
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -232,6 +232,36 @@ function determineHighlightLinesFromTestResult(rawTestResults) {
componentState.existingHighlightLinesFromTestResult = editorRef.value.deltaDecorations(componentState.existingHighlightLinesFromTestResult, newDecorations);
}

function extractTraceSteps(trace) {
if (!trace?.length) return [];
const [kind, payload] = trace;
if (kind === 'CliLoc' && Array.isArray(payload)) {
return [{ location: payload[0], snippet: payload[1], stepKind: 'loc' }];
}
if (kind === 'CliCall' && Array.isArray(payload)) {
const steps = [];
const [callSite, , inner] = payload;
if (Array.isArray(callSite) && callSite[0]?.start) {
steps.push({ location: callSite[0], snippet: callSite[1], stepKind: 'call' });
}
if (inner?.[0] === 'CliLoc' && Array.isArray(inner[1])) {
steps.push({ location: inner[1][0], snippet: inner[1][1], stepKind: 'calleeLoc' });
}
return steps;
}
return [];
}

function sourceStepMessage(step, steps) {
if (step.stepKind === 'call') {
return '⨀ Taint crosses function call: ';
}
if (step.stepKind === 'calleeLoc' && steps.some((s) => s.stepKind === 'call')) {
return '⨀ Taint is modeled through callee parameter: ';
}
return '⨀ Taint originates from this source: ';
}

function determineCodeFlowInformation(dataFlows) {
editorRef.value.changeViewZones(accessor => {
// Remove existing annotation zones
Expand All @@ -248,17 +278,20 @@ function determineCodeFlowInformation(dataFlows) {
}));
};

if (dataFlows.taint_source?.length && Array.isArray(dataFlows.taint_source[1])) {
addAnnotationZone(`A${index++}`, `⨀ Taint originates from this source: `, dataFlows.taint_source[1][0], dataFlows.taint_source[1][1]);
}
extractTraceSteps(dataFlows.taint_source).forEach((step, stepIndex, steps) => {
addAnnotationZone(`A${index++}`, sourceStepMessage(step, steps), step.location, step.snippet);
});

dataFlows.intermediate_vars?.forEach((intermediateVar) => {
addAnnotationZone(`A${index++}`, `→ Taint flows through this intermediate variable: `, intermediateVar.location, intermediateVar.content);
});

if (dataFlows.taint_sink?.length && Array.isArray(dataFlows.taint_sink[1])) {
addAnnotationZone(`A${index}`, `◉ Taint flows to this sink: `, dataFlows.taint_sink[1][0], dataFlows.taint_sink[1][1]);
}
extractTraceSteps(dataFlows.taint_sink).forEach((step, stepIndex, steps) => {
const message = stepIndex < steps.length - 1
? `◉ Taint crosses function call: `
: `◉ Taint flows to this sink: `;
addAnnotationZone(`A${index++}`, message, step.location, step.snippet);
});
});
}

Expand Down
Loading