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Author SHA1 Message Date
Ian 219765e4ff Open the folder of dated service logs from the tray 2026-10-22 16:20:11 -04:00
Ian 8b0d734f02 Show screening status in the Windows notification area
firewall-tray.exe shows a tray icon: whether the service is screening,
paused or not running, with Pause/Resume and Open log. The MSI
starts it at every sign-in and closes it before replacing or removing it.

The icon is the Strix logo, white on a dark taskbar and black on a light
one like the macOS template image, and dimmed when not screening.
tray.png is assets/logo-transparent.png scaled and padded to 32x32:
sips -Z 32 logo-transparent.png --out a.png && sips -p 32 32 a.png --out tray.png
2026-10-22 16:20:08 -04:00
Ian 10fdd0f272 Install machine-wide screening on Windows with an MSI
The MSI installs both binaries, registers and starts the service with a
DACL that lets interactive users start, stop and pause it, restarts it on
failure, and sets NODE_EXTRA_CA_CERTS and UV_SYSTEM_CERTS. Removing it runs
`firewall-service.exe uninstall` once the service is deleted, which clears
the hosts entries and removes the CA, its TPM key and the data folder but
the config.
2026-10-22 15:23:40 -04:00
6 changed files with 9 additions and 55 deletions

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+5 -9
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@@ -89,16 +89,12 @@ async fn handle(req: Request, firewall: &Firewall) -> Result<Response, Infallibl
}
info!(method = %req.method(), %url, "forwarding");
// Only an HTTPS registry was downgraded to reach us, so only it is upgraded back and rewritten.
let tls = firewall.is_https_url(&url);
let index = tls && firewall.is_index_url(&url);
let index = firewall.is_index_url(&url);
let (mut parts, body) = req.into_parts();
if tls {
let Ok(uri) = url.parse() else {
return Ok(text(400, "firewall: expected an absolute URL\n"));
};
parts.uri = uri;
}
let Ok(uri) = url.parse() else {
return Ok(text(400, "firewall: expected an absolute URL\n"));
};
parts.uri = uri;
let client = DecompressionLayer::new().into_layer(EasyHttpWebClient::default());
let response = match client.serve(Request::from_parts(parts, body)).await {
-5
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@@ -47,11 +47,6 @@ impl Firewall {
self.config.hosts()
}
pub fn is_https_url(&self, url: &str) -> bool {
let host = host_of(url);
self.config.registries.iter().any(|r| r.upstream.starts_with("https://") && r.host() == host)
}
pub fn is_index_url(&self, url: &str) -> bool {
self.config.registries.iter().any(|r| r.index && r.host() == host_of(url))
}
+1 -22
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@@ -1,9 +1,7 @@
use firewall::aliasing::forward::downgrade;
use firewall::http::https_url;
use firewall::{aliasing, Firewall, FirewallConfig};
use firewall::Firewall;
use rama::http::{Body, Request};
use std::io::{Read, Write};
use std::net::{TcpListener, TcpStream};
fn request(target: &str, host: Option<&str>) -> Request {
let mut builder = Request::builder().method("GET").uri(target);
@@ -37,25 +35,6 @@ fn requests_always_go_out_over_tls() {
assert_eq!(https_url(&request("/six", None)), None);
}
#[test]
fn a_plain_http_upstream_is_not_upgraded() {
let upstream = TcpListener::bind("127.0.0.1:0").expect("bind");
let addr = upstream.local_addr().expect("address");
std::thread::spawn(move || {
let (mut stream, _) = upstream.accept().expect("accept");
let _ = stream.read(&mut [0; 4096]);
let _ = stream.write_all(b"HTTP/1.1 200 OK\r\nContent-Length: 2\r\n\r\nok");
});
let port = aliasing::spawn(0, FirewallConfig::default()).expect("spawn");
let mut proxy = TcpStream::connect(("127.0.0.1", port)).expect("connect");
let request = format!("GET http://{addr}/x HTTP/1.1\r\nHost: {addr}\r\nConnection: close\r\n\r\n");
proxy.write_all(request.as_bytes()).expect("write");
let mut response = String::new();
proxy.read_to_string(&mut response).expect("read");
assert!(response.starts_with("HTTP/1.1 200") && response.ends_with("ok"), "{response}");
}
#[tokio::test]
async fn downgrade_touches_known_hosts_in_text_only() {
let text = b"https://pypi.org/x https://example.com/y".to_vec();
-7
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@@ -162,12 +162,6 @@
Execute='deferred'
Impersonate='no'
Return='check'/>
<!-- From the exit dialog, which runs as the signed-in user rather than elevated. -->
<CustomAction
Id='StartTray'
Directory='APPLICATIONFOLDER'
ExeCommand='"[#exe2]"'
Return='asyncNoWait'/>
<!-- Before its file is replaced or removed. Trays WM_CLOSE does not reach, as in other sessions, are terminated. -->
<util:CloseApplication Id='CloseTray' Target='firewall-tray.exe' CloseMessage='yes' RebootPrompt='no' TerminateProcess='0'/>
<InstallExecuteSequence>
@@ -186,7 +180,6 @@
<UIRef Id='WixUI_FeatureTree'/>
<Publish Dialog='WelcomeDlg' Control='Next' Event='NewDialog' Value='CustomizeDlg' Order='99'>1</Publish>
<Publish Dialog='CustomizeDlg' Control='Back' Event='NewDialog' Value='WelcomeDlg' Order='99'>1</Publish>
<Publish Dialog='ExitDialog' Control='Finish' Event='DoAction' Value='StartTray' Order='1'>NOT Installed</Publish>
</UI>
</Product>
-1
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@@ -47,7 +47,6 @@ build() {
echo "==> Building"
xcodegen generate >/dev/null
xcodebuild -project Firewall.xcodeproj -scheme StrixFirewall -configuration $CONFIGURATION \
-destination generic/platform=macOS \
-derivedDataPath build CODE_SIGNING_ALLOWED=NO CODE_SIGNING_REQUIRED=NO \
CODE_SIGN_IDENTITY="" CODE_SIGN_ENTITLEMENTS="" build >/dev/null
}
+3 -11
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@@ -10,7 +10,7 @@ settings:
"CARGO_PROFILE[config=Debug]": debug
"LIBRARY_SEARCH_PATHS[arch=arm64]": $(SRCROOT)/../core/target/aarch64-apple-darwin/$(CARGO_PROFILE)
"LIBRARY_SEARCH_PATHS[arch=x86_64]": $(SRCROOT)/../core/target/x86_64-apple-darwin/$(CARGO_PROFILE)
ARCHS: arm64 x86_64
ARCHS: arm64
"ONLY_ACTIVE_ARCH[config=Debug]": "YES"
SWIFT_VERSION: "5.0"
DEVELOPMENT_TEAM: ${TEAM}
@@ -127,13 +127,5 @@ targets:
unset CC CXX CFLAGS CXXFLAGS
export SDKROOT="$(xcrun --sdk macosx --show-sdk-path)"
cd "$SRCROOT/../core"
bins=
for arch in $ARCHS; do
case $arch in
arm64|arm64e) triple=aarch64-apple-darwin ;;
x86_64) triple=x86_64-apple-darwin ;;
esac
cargo build --bin firewall-uninstall --target $triple $([ "$CONFIGURATION" = Debug ] || echo --release)
bins="$bins target/$triple/$CARGO_PROFILE/firewall-uninstall"
done
lipo -create $bins -output "$TARGET_BUILD_DIR/$EXECUTABLE_FOLDER_PATH/firewall-uninstall"
cargo build --bin firewall-uninstall --target aarch64-apple-darwin $([ "$CONFIGURATION" = Debug ] || echo --release)
cp "target/aarch64-apple-darwin/$CARGO_PROFILE/firewall-uninstall" "$TARGET_BUILD_DIR/$EXECUTABLE_FOLDER_PATH/"