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https://github.com/usestrix/firewall.git
synced 2026-11-09 18:08:49 -10:00
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4
Commits
| Author | SHA1 | Date | |
|---|---|---|---|
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01ab5b0995 | ||
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97a5a148e0 | ||
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877807740b | ||
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cd9b0614bc |
No files matched your search
+1
-1
@@ -129,7 +129,7 @@ schannel = "0.1.29"
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||||
tokio = { version = "1.53.1", features = ["net"] }
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tracing-appender = "0.2.5"
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tray-icon = { version = "0.26.1", default-features = false }
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windows = { version = "0.62", features = ["Win32_Foundation", "Win32_Security", "Win32_Security_Authorization", "Win32_Security_Cryptography", "Win32_Storage_FileSystem", "Win32_System_Com", "Win32_System_Console", "Win32_System_Environment", "Win32_System_JobObjects", "Win32_System_Pipes", "Win32_System_Registry", "Win32_System_Threading", "Win32_UI_Shell", "Win32_UI_WindowsAndMessaging"] }
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windows = { version = "0.62", features = ["Win32_Foundation", "Win32_Security", "Win32_Security_Authorization", "Win32_Security_Cryptography", "Win32_Storage_FileSystem", "Win32_System_Com", "Win32_System_Console", "Win32_System_Environment", "Win32_System_JobObjects", "Win32_System_Pipes", "Win32_System_Threading", "Win32_UI_Shell", "Win32_UI_WindowsAndMessaging"] }
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windows-registry = "0.6.1"
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windows-service = "0.8.0"
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@@ -11,4 +11,5 @@ pub static BUN: Manager = Manager {
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("npm_config_registry", "http://registry.npmjs.org/"),
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],
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args: &[],
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lockfile: None,
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};
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@@ -17,4 +17,5 @@ pub static CARGO: Manager = Manager {
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"source.firewall.registry=\"sparse+http://index.crates.io/\"",
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],
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}],
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lockfile: None,
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};
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@@ -8,4 +8,5 @@ pub static GEM: Manager = Manager {
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when: &["install", "update", "fetch"],
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flags: &["--clear-sources", "--source", "http://rubygems.org/"],
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}],
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lockfile: None,
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};
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@@ -11,4 +11,5 @@ pub static GO: Manager = Manager {
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("GOFLAGS", "-mod=mod"),
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],
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args: &[],
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lockfile: None,
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};
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@@ -36,6 +36,14 @@ pub struct Manager {
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pub command: &'static str,
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pub env: &'static [(&'static str, &'static str)],
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pub args: &'static [Args],
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/// Where the manager records registry URLs, which then carry our http:// override.
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pub lockfile: Option<Lockfile>,
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}
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/// What to do after a run about http:// registry URLs left in the lockfile at this path.
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pub enum Lockfile {
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Restore(&'static str),
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Warn(&'static str),
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}
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pub static MANAGERS: &[&Manager] =
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@@ -1,4 +1,4 @@
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use super::{Manager, PROXY};
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use super::{Lockfile, Manager, PROXY};
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pub static NPM: Manager = Manager {
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command: "npm",
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@@ -8,4 +8,5 @@ pub static NPM: Manager = Manager {
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("npm_config_registry", "http://registry.npmjs.org/"),
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],
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args: &[],
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lockfile: Some(Lockfile::Restore("package-lock.json")),
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};
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@@ -13,4 +13,5 @@ pub static PDM: Manager = Manager {
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("PDM_PYPI_VERIFY_SSL", "false"),
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],
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args: &[],
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lockfile: None,
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};
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@@ -12,5 +12,5 @@ pub static PIP: Manager = recipe("pip");
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pub static PIP3: Manager = recipe("pip3");
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const fn recipe(name: &'static str) -> Manager {
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Manager { command: name, env: PIP_ENV, args: &[] }
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Manager { command: name, env: PIP_ENV, args: &[], lockfile: None }
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}
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@@ -13,4 +13,5 @@ pub static PIPENV: Manager = Manager {
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("PIP_TRUSTED_HOST", "pypi.org files.pythonhosted.org"),
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],
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args: &[],
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lockfile: None,
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};
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@@ -9,4 +9,5 @@ pub static PNPM: Manager = Manager {
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("pnpm_config_registry", "http://registry.npmjs.org/"),
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],
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args: &[],
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lockfile: None,
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};
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@@ -1,7 +1,8 @@
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use super::{Manager, PROXY, PYPI_SIMPLE};
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use super::{Lockfile, Manager, PROXY, PYPI_SIMPLE};
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pub static UV: Manager = Manager {
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command: "uv",
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env: &[("HTTP_PROXY", PROXY), ("http_proxy", PROXY), ("UV_DEFAULT_INDEX", PYPI_SIMPLE)],
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args: &[],
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lockfile: Some(Lockfile::Warn("uv.lock")),
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};
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@@ -6,9 +6,11 @@ mod windows;
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pub use forward::spawn;
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pub use managers::*;
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use crate::policies::registries::BUILT_IN;
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use std::io::{Error, ErrorKind};
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use std::path::{Path, PathBuf};
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use std::process::Command;
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use tracing::{info, warn};
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pub struct Invocation {
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pub program: String,
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@@ -50,10 +52,42 @@ pub fn run(port: u16, invocation: &Invocation, dir: Option<&Path>) -> std::io::R
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let status = command.status();
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#[cfg(windows)]
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let status = status.map_err(|error| windows::explain(error, &program));
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Ok(status?.code().unwrap_or(1))
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let code = status?.code().unwrap_or(1);
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let manager = MANAGERS.iter().find(|manager| manager.command == invocation.program);
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match manager.and_then(|manager| manager.lockfile.as_ref()) {
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Some(Lockfile::Restore(lockfile)) => restore_https(lockfile, dir),
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Some(Lockfile::Warn(lockfile)) => warn_if_plaintext(lockfile, dir),
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None => {}
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}
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Ok(code)
|
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}
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// Command::new only finds .exe on Windows; npm, pnpm and gem are .cmd shims found via PATHEXT.
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fn resolve(program: &str) -> std::io::Result<PathBuf> {
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which::which(program).map_err(|e| Error::new(ErrorKind::NotFound, e))
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}
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fn warn_if_plaintext(lockfile: &str, dir: Option<&Path>) {
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let path = dir.unwrap_or(Path::new(".")).join(lockfile);
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let Ok(text) = std::fs::read_to_string(path) else { return };
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if BUILT_IN.iter().any(|registry| text.contains(&format!("http://{}/", registry.host()))) {
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warn!("{lockfile} has http:// registry URLs; change them to https:// before committing");
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}
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}
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fn restore_https(lockfile: &str, dir: Option<&Path>) {
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let path = dir.unwrap_or(Path::new(".")).join(lockfile);
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let Ok(text) = std::fs::read_to_string(&path) else { return };
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let mut fixed = text.clone();
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for registry in BUILT_IN {
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let host = registry.host();
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fixed = fixed.replace(&format!("http://{host}/"), &format!("https://{host}/"));
|
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}
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if fixed == text {
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return;
|
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}
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match std::fs::write(&path, fixed) {
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Ok(()) => info!("changed {lockfile}'s registry URLs back to https://"),
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||||
Err(e) => warn!("could not change {lockfile}'s registry URLs back to https://: {e}"),
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}
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}
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@@ -1,5 +1,5 @@
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//! How the tray asks the service what it blocked, and allows a new package, as the macOS app
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//! messages its extension.
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//! How the tray asks the service what it blocked, and allows a new package once, as the macOS
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//! app messages its extension.
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use super::{config_file, security_descriptor};
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use crate::{blocks, Firewall};
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@@ -11,8 +11,8 @@ use tokio::io::{AsyncBufReadExt, AsyncReadExt, AsyncWriteExt, BufReader};
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use tokio::net::windows::named_pipe::{NamedPipeServer, ServerOptions};
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use windows::core::{Owned, PWSTR};
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use windows::Win32::Foundation::HANDLE;
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use windows::Win32::Security::*;
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use windows::Win32::System::Pipes::{GetNamedPipeClientProcessId, ImpersonateNamedPipeClient};
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use windows::Win32::Security::SECURITY_ATTRIBUTES;
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use windows::Win32::System::Pipes::GetNamedPipeClientProcessId;
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use windows::Win32::System::Threading::*;
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pub(super) const PIPE: &str = r"\\.\pipe\StrixFirewall";
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@@ -59,7 +59,8 @@ async fn answer(client: NamedPipeServer, firewall: &Firewall) -> Result<(), BoxE
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// Only the app can message the macOS extension; here any program could connect.
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let reply = if !client_is_tray(client.get_ref())? {
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"error: only the tray can ask".to_owned()
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} else if request.starts_with("allow ") && !client_is_admin(client.get_ref())? {
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} else if request.starts_with("allow ") {
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// Trusting writes the config for every user, so it is left to an administrator.
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"error: trusting a package takes an administrator".to_owned()
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} else {
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blocks::answer(firewall, &config_file(), request)
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@@ -83,20 +84,3 @@ fn client_is_tray(client: &NamedPipeServer) -> Result<bool, BoxError> {
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// Windows paths ignore case.
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Ok(path.to_lowercase() == tray.to_string_lossy().to_lowercase())
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}
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/// Elevated, as only an elevated token has the Administrators group enabled.
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fn client_is_admin(client: &NamedPipeServer) -> windows::core::Result<bool> {
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let mut sid = [0u32; SECURITY_MAX_SID_SIZE as usize / 4];
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let admins = PSID(sid.as_mut_ptr().cast());
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let mut size = SECURITY_MAX_SID_SIZE;
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unsafe { CreateWellKnownSid(WinBuiltinAdministratorsSid, None, Some(admins), &mut size)? };
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unsafe { ImpersonateNamedPipeClient(HANDLE(client.as_raw_handle()))? };
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let mut member = false.into();
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let checked = unsafe { CheckTokenMembership(None, admins, &mut member) };
|
||||
// Carrying on as the client would be worse than stopping.
|
||||
if unsafe { RevertToSelf() }.is_err() {
|
||||
std::process::abort();
|
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}
|
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checked?;
|
||||
Ok(member.as_bool())
|
||||
}
|
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+20
-79
@@ -12,7 +12,7 @@ use tray_icon::{Icon, MouseButtonState, TrayIcon, TrayIconBuilder, TrayIconEvent
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use windows::core::{w, PCWSTR};
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use windows::Win32::Foundation::*;
|
||||
use windows::Win32::System::Pipes::GetNamedPipeServerProcessId;
|
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use windows::Win32::System::Threading::*;
|
||||
use windows::Win32::System::Threading::CreateMutexW;
|
||||
use windows::Win32::UI::Shell::*;
|
||||
use windows::Win32::UI::WindowsAndMessaging::*;
|
||||
use windows_registry::CURRENT_USER;
|
||||
@@ -23,8 +23,7 @@ const MENU_PAUSE: &str = "pause";
|
||||
const MENU_RESTART: &str = "restart";
|
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const MENU_LOG: &str = "log";
|
||||
const MENU_QUIT: &str = "quit";
|
||||
/// Also the service's requests, and `allow` the elevated `firewall-tray` command.
|
||||
const ALLOW: &str = "allow";
|
||||
/// Also the service's request.
|
||||
const ALLOW_ONCE: &str = "allow-once";
|
||||
const LOGO: &[u8] = include_bytes!("tray.png");
|
||||
/// Where blocked packages are listed, below Open logs.
|
||||
@@ -33,19 +32,6 @@ const BLOCKED_KEPT: usize = 10;
|
||||
|
||||
/// Runs until Quit, once per session.
|
||||
pub fn run() -> Result<(), BoxError> {
|
||||
let args: Vec<String> = std::env::args().skip(1).collect();
|
||||
if let [verb, id, label @ ..] = &args[..] {
|
||||
if verb == ALLOW {
|
||||
// Run by `run_elevated`, so the service can tell an admin asked.
|
||||
let trusted = ask_service(&format!("{ALLOW} {id}"))
|
||||
.and_then(|reply| answered(&format!("Trusted {}", label.join(" ")), &reply));
|
||||
if let Err(error) = trusted {
|
||||
show_error(error);
|
||||
std::process::exit(1);
|
||||
}
|
||||
return Ok(());
|
||||
}
|
||||
}
|
||||
// Held until we exit.
|
||||
let _mutex = unsafe { CreateMutexW(None, false, w!(r"Local\StrixFirewallTray"))? };
|
||||
if unsafe { GetLastError() } == ERROR_ALREADY_EXISTS {
|
||||
@@ -220,7 +206,7 @@ impl Tray {
|
||||
std::thread::spawn(move || {
|
||||
for package in new {
|
||||
if alert(&package) {
|
||||
allow(package, false, &allowed);
|
||||
allow_once(package, &allowed);
|
||||
}
|
||||
}
|
||||
});
|
||||
@@ -243,13 +229,11 @@ impl Tray {
|
||||
package.reason.clone()
|
||||
};
|
||||
let reason = MenuItem::new(reason, false, None);
|
||||
let trustable = package.trustable();
|
||||
let once = MenuItem::with_id(format!("{ALLOW_ONCE}:{i}"), "Allow Once", trustable, None);
|
||||
let always = MenuItem::with_id(format!("{ALLOW}:{i}"), "Trust this version", trustable, None);
|
||||
let items: &[&dyn IsMenuItem] = if package.malicious() {
|
||||
&[&reason]
|
||||
let once = MenuItem::with_id(format!("{ALLOW_ONCE}:{i}"), "Allow Once", true, None);
|
||||
let items: &[&dyn IsMenuItem] = if package.trustable() {
|
||||
&[&reason, &once]
|
||||
} else {
|
||||
&[&reason, &once, &always]
|
||||
&[&reason]
|
||||
};
|
||||
let label = format!("{verb} {}", package.label());
|
||||
if let Ok(item) = Submenu::with_items(label, true, items) {
|
||||
@@ -259,12 +243,11 @@ impl Tray {
|
||||
}
|
||||
|
||||
fn on_menu(&self, id: &str) {
|
||||
if let Some((verb @ (ALLOW | ALLOW_ONCE), i)) = id.split_once(':') {
|
||||
let trust = verb == ALLOW;
|
||||
if let Some(i) = id.strip_prefix(ALLOW_ONCE).and_then(|i| i.strip_prefix(':')) {
|
||||
let package = i.parse().ok().and_then(|i: usize| self.blocked.get(i));
|
||||
if let Some(package) = package.cloned() {
|
||||
let allowed = self.allowed.0.clone();
|
||||
std::thread::spawn(move || allow(package, trust, &allowed));
|
||||
std::thread::spawn(move || allow_once(package, &allowed));
|
||||
}
|
||||
return;
|
||||
}
|
||||
@@ -305,72 +288,30 @@ fn alert(package: &BlockedPackage) -> bool {
|
||||
} else if !package.trustable() {
|
||||
("Held back a new package".to_owned(), text, MB_ICONINFORMATION)
|
||||
} else {
|
||||
let text = text + "\n\nAllow it once? To trust this version, use the notification-area icon.";
|
||||
let text = text + "\n\nAllow it once?";
|
||||
("Held back a new package".to_owned(), text, MB_YESNO | MB_ICONINFORMATION)
|
||||
};
|
||||
let (title, text) = (HSTRING::from(title), HSTRING::from(text));
|
||||
unsafe { MessageBoxW(None, &text, &title, style | MB_SETFOREGROUND) == IDYES }
|
||||
}
|
||||
|
||||
/// Trusting writes the config for every user, so it goes through a UAC prompt.
|
||||
/// The elevated process shows its own errors and late replies.
|
||||
fn allow(package: BlockedPackage, trust: bool, allowed: &Sender<BlockedPackage>) {
|
||||
let allowed_it = if trust {
|
||||
run_elevated(&[ALLOW, &package.id.to_string(), &package.label()])
|
||||
.map(|code| code == Some(0))
|
||||
} else {
|
||||
let title = format!("Allowed {} for the next minute", package.label());
|
||||
ask_service(&format!("{ALLOW_ONCE} {}", package.id))
|
||||
.and_then(|reply| answered(&title, &reply))
|
||||
.map(|()| true)
|
||||
/// Tells the user when the install had already stopped waiting.
|
||||
fn allow_once(package: BlockedPackage, allowed: &Sender<BlockedPackage>) {
|
||||
let reply = match ask_service(&format!("{ALLOW_ONCE} {}", package.id)) {
|
||||
Ok(reply) => reply,
|
||||
Err(error) => return show_error(error),
|
||||
};
|
||||
match allowed_it {
|
||||
Ok(true) => {
|
||||
let _ = allowed.send(package);
|
||||
}
|
||||
Ok(false) => {}
|
||||
Err(error) => show_error(error),
|
||||
}
|
||||
}
|
||||
|
||||
/// Tells the user, under `title`, when the install had already stopped waiting.
|
||||
fn answered(title: &str, reply: &str) -> Result<(), BoxError> {
|
||||
match reply {
|
||||
"ok" => Ok(()),
|
||||
match reply.as_str() {
|
||||
"ok" => {}
|
||||
"late" => {
|
||||
let title = format!("Allowed {} for the next minute", package.label());
|
||||
let text = "The install had already stopped waiting for it. Run it again to finish.";
|
||||
let (title, text) = (HSTRING::from(title), HSTRING::from(text));
|
||||
unsafe { MessageBoxW(None, &text, &title, MB_ICONINFORMATION | MB_SETFOREGROUND) };
|
||||
Ok(())
|
||||
}
|
||||
other => Err(other.into()),
|
||||
other => return show_error(other.into()),
|
||||
}
|
||||
}
|
||||
|
||||
/// This program as an admin, waiting for its exit code; `None` if the user said no.
|
||||
fn run_elevated(args: &[&str]) -> Result<Option<u32>, BoxError> {
|
||||
let exe = HSTRING::from(std::env::current_exe()?.as_path());
|
||||
let parameters = HSTRING::from(args.join(" "));
|
||||
let mut info = SHELLEXECUTEINFOW {
|
||||
cbSize: size_of::<SHELLEXECUTEINFOW>() as u32,
|
||||
fMask: SEE_MASK_NOCLOSEPROCESS,
|
||||
lpVerb: w!("runas"),
|
||||
lpFile: PCWSTR(exe.as_ptr()),
|
||||
lpParameters: PCWSTR(parameters.as_ptr()),
|
||||
nShow: SW_HIDE.0,
|
||||
..Default::default()
|
||||
};
|
||||
if let Err(error) = unsafe { ShellExecuteExW(&mut info) } {
|
||||
if error.code() == ERROR_CANCELLED.to_hresult() {
|
||||
return Ok(None);
|
||||
}
|
||||
return Err(error.into());
|
||||
}
|
||||
let process = unsafe { Owned::new(info.hProcess) };
|
||||
unsafe { WaitForSingleObject(*process, INFINITE) };
|
||||
let mut code = 1;
|
||||
unsafe { GetExitCodeProcess(*process, &mut code)? };
|
||||
Ok(Some(code))
|
||||
let _ = allowed.send(package);
|
||||
}
|
||||
|
||||
/// One request per connection, as the service answers.
|
||||
|
||||
@@ -41,7 +41,9 @@ impl Filter for Osv {
|
||||
if hits.is_empty() {
|
||||
Verdict::Allow
|
||||
} else {
|
||||
Verdict::Deny(format!("is flagged malicious by OSV ({})", hits.join(", ")))
|
||||
let links: Vec<String> =
|
||||
hits.iter().map(|id| format!("{id} https://osv.dev/vulnerability/{id}")).collect();
|
||||
Verdict::Deny(format!("is flagged malicious by OSV: {}", links.join(", ")))
|
||||
}
|
||||
})
|
||||
}
|
||||
|
||||
Reference in new issue
Block a user