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Added Cap::DATA_EXFIL and taint fp and fn fixes on real repos (#59)

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* feat: Enhance data exfiltration detection with source sensitivity gating for cookies and headers

* feat: Implement cross-file data exfiltration detection with parameter-specific gate filters

* feat: Add calibration tests and refine DATA_EXFIL severity scoring logic

* feat: Introduce per-detector configuration for data exfiltration suppression

* feat: Enhance DATA_EXFIL findings with destination field tracking in diagnostics and SARIF output

* feat: Add tainted body and URL handling for data exfiltration detection

* feat: Add integration tests and fixtures for DATA_EXFIL and SSRF detection in Go

* feat: Add Java integration tests and fixtures for DATA_EXFIL detection across multiple HTTP clients

* feat: Add synthetic externals handling for closure-captured variables in SSA

* feat: Implement closure-based suppression for resource leak findings

* feat: Add regression guards for shell-injection and taint propagation in for-of destructure patterns

* feat: Implement constructor cap narrowing for data exfiltration detection in HTTP request builders

* feat: Add gated sinks for data exfiltration detection in C and C++ using curl_easy_setopt

* feat: Implement DATA_EXFIL cap parity for backwards analysis and add integration tests

* feat: Add data exfiltration sinks for various languages and enhance documentation

* refactor: Simplify formatting and improve readability in various files

* refactor: Improve readability by simplifying conditional statements and adding clippy linting

* docs: Update CHANGELOG and comments for data exfiltration features and configuration

* docs: Clarify configuration instructions for data exfiltration trusted destinations

* docs: Enhance comments for evidence routing logic in data exfiltration
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Eli Peter 2026-05-01 10:59:52 -04:00 • committed by GitHub
parent a438886217
commit 58f1794a4e
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189 changed files with 8421 additions and 383 deletions
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29
src/labels/c.rs
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@ -1,4 +1,4 @@
use crate::labels::{Cap, DataLabel, Kind, LabelRule, ParamConfig};
use crate::labels::{Cap, DataLabel, GateActivation, Kind, LabelRule, ParamConfig, SinkGate};
use phf::{Map, phf_map};
pub static RULES: &[LabelRule] = &[
@ -69,6 +69,33 @@ pub static RULES: &[LabelRule] = &[
},
];
/// Gated sinks for C.
///
/// `curl_easy_setopt(handle, option, payload)` is libcurl's option-binding
/// interface; the option identifier at arg 1 selects which slot the payload
/// fills. `CURLOPT_POSTFIELDS` and `CURLOPT_COPYPOSTFIELDS` carry the
/// request body, while other CURLOPT_* constants designate URL / auth / TLS
/// behaviour and are not DATA_EXFIL-relevant. Gating on the macro identifier
/// keeps the rule from over-firing on `curl_easy_setopt(h, CURLOPT_URL, url)`
/// (covered separately by the `curl_easy_perform` SSRF flat sink).
///
/// Identifier-based activation is enabled via the macro-arg fallback in
/// `cfg::mod::classify_gated_sink` for `lang == "c"`. Header-parsing
/// libraries (e.g. libmicrohttpd, mongoose) lack a stable surface and are
/// left to project-specific config.
pub static GATED_SINKS: &[SinkGate] = &[SinkGate {
callee_matcher: "curl_easy_setopt",
arg_index: 1,
dangerous_values: &["CURLOPT_POSTFIELDS", "CURLOPT_COPYPOSTFIELDS"],
dangerous_prefixes: &[],
label: DataLabel::Sink(Cap::DATA_EXFIL),
case_sensitive: true,
payload_args: &[2],
keyword_name: None,
dangerous_kwargs: &[],
activation: GateActivation::ValueMatch,
}];
pub static KINDS: Map<&'static str, Kind> = phf_map! {
// control-flow
"if_statement" => Kind::If,