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Fix bugs from a full audit: Tailscale recovery, SSID verification, captive portals, config races

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The watch loop could spin forever on a stopped Tailscale daemon (the
auto-start path was unreachable) while re-notifying every retry, report
"connected" when NM autoconnect won a race onto a different SSID, and
classify captive portals as healthy (200/302 accepted as internet). The
bread-bus subscription thread also read/wrote config and state files
concurrently with the watch loop. Fix all of those plus: EDITOR values
with arguments, scan --to silently ignoring unknown profiles, deleted
core profiles being resurrected, inline-network migration data loss,
login never retried, XDG-unaware install-service, detect persisting a
stale default profile, password length leaking through the mask, a
stdin/stdout pipe deadlock, and several minor UI/robustness issues.

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Co-Authored-By: Codebuff <noreply@codebuff.com>
This commit is contained in:
Breadway 2026-08-26 12:33:07 +08:00
parent 02e96126e0
commit c02360a873
12 changed files with 538 additions and 189 deletions
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94
tests/flow_watch.rs
View file

@ -52,16 +52,53 @@ fn base_config() -> Config {
/// the device reports connected after any successful connect attempt.
fn base_nm(visible_ssids: &[&str]) -> FakeRunner {
let visible = visible_ssids.join("\n");
FakeRunner::new()
let runner = FakeRunner::new()
.on_contains("nmcli", "DEVICE,TYPE", ok("wlan0:wifi"))
.on_contains("nmcli", "radio wifi on", ok(""))
.on_contains("nmcli", "wifi rescan", ok(""))
.on_contains("nmcli", "-f SSID device wifi list", ok(&visible))
// Exact match: `-f ACTIVE,SSID` queries (which contain the substring
// "SSID device wifi list") must NOT be answered with the visible
// list — they go to the stateful rule below.
.on(
move |_prog, args| args.join(" ") == "-t -f SSID device wifi list ifname wlan0",
ok(&visible),
)
.on_contains("nmcli", "NAME,TYPE", ok("")) // no saved profiles
.on_contains("nmcli", "GENERAL.CON-UUID", ok("uuid-1"))
.on_contains("nmcli", "ipv4.ignore-auto-dns", ok(""))
.on_contains("nmcli", "device reapply", ok(""))
.on_contains("nmcli", "DEVICE,STATE", ok("wlan0:connected"))
.on_contains("nmcli", "DEVICE,STATE", ok("wlan0:connected"));
let calls = runner.calls_handle();
runner.on_dynamic(
move |_prog, args| args.join(" ") == "-t -f ACTIVE,SSID device wifi list ifname wlan0",
move |_prog, _args| {
// Stateful: answer with the SSID of the most recently dialed
// connection, so connect_and_verify's post-connect SSID check
// sees the network that was just activated (bootstrap first,
// then the target).
let rec = calls.borrow();
let ssid = rec.iter().rev().find_map(|call| {
let j = call.args.join(" ");
if j.contains("connect") {
call.args
.iter()
.position(|a| a == "connect")
.map(|i| call.args[i + 1].clone())
} else if j.contains("connection up") {
call.args
.iter()
.position(|a| a == "up")
.map(|i| call.args[i + 1].clone())
} else {
None
}
});
match ssid {
Some(s) => ok(&format!("yes:{s}")),
None => ok(""),
}
},
)
}
/// A successful `device wifi connect <ssid> ...` for every ssid in `ssids`.
@ -494,12 +531,17 @@ fn set_profile_command_persists_even_with_no_daemon_reachable() {
state::set_profile(&cfg, "away").unwrap();
assert_eq!(State::load("away").profile, "away");
let acted = bread_events::handle_command(&command_event(
// handle_command only parses/validates (no file I/O on the subscription
// thread); the loop thread then applies the action.
let action = bread_events::handle_command(&command_event(
"bread.command.crumbs.set_profile",
serde_json::json!({ "profile": "home" }),
));
assert!(acted, "known profile must persist");
assert!(
matches!(action, bread_events::CommandAction::SetProfile(n) if n == "home"),
"a known profile must yield a SetProfile action"
);
bread_events::apply_set_profile("home");
assert_eq!(State::load("away").profile, "home");
}
@ -509,12 +551,14 @@ fn set_profile_command_rejects_unknown_profile() {
let cfg = Config::load().expect("fresh config");
state::set_profile(&cfg, "away").unwrap();
let acted = bread_events::handle_command(&command_event(
let action = bread_events::handle_command(&command_event(
"bread.command.crumbs.set_profile",
serde_json::json!({ "profile": "bogus" }),
));
assert!(!acted);
assert!(matches!(action, bread_events::CommandAction::SetProfile(n) if n == "bogus"));
// The rejection happens when the loop thread applies it: state is
// untouched and the failure event is emitted (a no-op without breadd).
bread_events::apply_set_profile("bogus");
assert_eq!(
State::load("away").profile,
"away",
@ -528,12 +572,11 @@ fn set_profile_command_rejects_missing_profile_field() {
let cfg = Config::load().expect("fresh config");
state::set_profile(&cfg, "away").unwrap();
let acted = bread_events::handle_command(&command_event(
let action = bread_events::handle_command(&command_event(
"bread.command.crumbs.set_profile",
serde_json::json!({}),
));
assert!(!acted);
assert!(matches!(action, bread_events::CommandAction::Ignore));
assert_eq!(State::load("away").profile, "away");
}
@ -543,12 +586,11 @@ fn handle_command_ignores_unrecognized_verb() {
let cfg = Config::load().expect("fresh config");
state::set_profile(&cfg, "away").unwrap();
let acted = bread_events::handle_command(&command_event(
let action = bread_events::handle_command(&command_event(
"bread.command.crumbs.pin",
serde_json::json!({}),
));
assert!(!acted);
assert!(matches!(action, bread_events::CommandAction::Ignore));
assert_eq!(
State::load("away").profile,
"away",
@ -562,14 +604,20 @@ fn handle_command_ignores_events_outside_its_own_command_namespace() {
let cfg = Config::load().expect("fresh config");
state::set_profile(&cfg, "away").unwrap();
assert!(!bread_events::handle_command(&command_event(
"bread.command.clip.clear",
serde_json::json!({}),
)));
assert!(!bread_events::handle_command(&command_event(
"bread.crumbs.profile.changed",
serde_json::json!({ "from": "away", "to": "home" }),
)));
assert!(matches!(
bread_events::handle_command(&command_event(
"bread.command.clip.clear",
serde_json::json!({}),
)),
bread_events::CommandAction::Ignore
));
assert!(matches!(
bread_events::handle_command(&command_event(
"bread.crumbs.profile.changed",
serde_json::json!({ "from": "away", "to": "home" }),
)),
bread_events::CommandAction::Ignore
));
assert_eq!(State::load("away").profile, "away");
}