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[pitboss/grind] cleanup session-0028 (20260522T043516Z-29b8)

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pitboss 2026-05-22 08:52:23 -05:00
parent cfb240281c
commit 9062cd652a
2 changed files with 3 additions and 10 deletions
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6
docs/serve.md
View file

@ -25,10 +25,10 @@ There is **no** account, no telemetry, no remote logging, no auto-update ping. T
## Security model ## Security model
`nyx serve` enforces three things at the HTTP layer ([`src/server/security.rs`](https://github.com/elicpeter/nyx/blob/master/src/server/security.rs)): `nyx serve` enforces three things:
1. **Loopback bind only.** `--host` and `[server].host` are clamped to `127.0.0.1`, `localhost`, or `::1`. Any other value is refused at startup with `Nyx serve only binds to loopback addresses; refused host '<value>'`. 1. **Loopback bind only.** `--host` and `[server].host` are clamped to `127.0.0.1`, `localhost`, or `::1`. Any other value is refused at startup with `Nyx serve only binds to loopback addresses; refused host '<value>'` ([`src/commands/serve.rs`](https://github.com/elicpeter/nyx/blob/master/src/commands/serve.rs)).
2. **Host-header check.** Every request must carry a `Host` header that matches the bound address and port. Missing or mismatched headers get a `400 invalid Host header`. Defends against DNS rebinding. 2. **Host-header check.** Every request must carry a `Host` header that matches the bound address and port. Missing or mismatched headers get a `400 invalid Host header`. Defends against DNS rebinding ([`src/server/security.rs`](https://github.com/elicpeter/nyx/blob/master/src/server/security.rs)).
3. **CSRF on mutations.** `POST` / `PUT` / `PATCH` / `DELETE` requests must carry a per-process CSRF token in the `x-nyx-csrf` header. The token is generated once when the server starts and exposed at `GET /api/health` so the embedded SPA can read it. Cross-origin mutations are rejected before the CSRF check via the `Origin` header. 3. **CSRF on mutations.** `POST` / `PUT` / `PATCH` / `DELETE` requests must carry a per-process CSRF token in the `x-nyx-csrf` header. The token is generated once when the server starts and exposed at `GET /api/health` so the embedded SPA can read it. Cross-origin mutations are rejected before the CSRF check via the `Origin` header.
If you forward the port over SSH or expose it through a reverse proxy, the host-header check will reject the request because the `Host` won't match `localhost:9700`. That's the intended behaviour. Don't do this without a deliberate reason; the loopback bind is part of the security model. If you forward the port over SSH or expose it through a reverse proxy, the host-header check will reject the request because the `Host` won't match `localhost:9700`. That's the intended behaviour. Don't do this without a deliberate reason; the loopback bind is part of the security model.

7
src/cfg/mod.rs
View file

@ -791,10 +791,7 @@ impl NodeInfo {
/// lose information. /// lose information.
#[derive(Debug, Clone)] #[derive(Debug, Clone)]
pub struct LocalFuncSummary { pub struct LocalFuncSummary {
#[allow(dead_code)] // used for future intra-file graph traversal
pub entry: NodeIndex, pub entry: NodeIndex,
#[allow(dead_code)] // used for future intra-file graph traversal
pub exit: NodeIndex,
pub source_caps: Cap, pub source_caps: Cap,
pub sanitizer_caps: Cap, pub sanitizer_caps: Cap,
pub sink_caps: Cap, pub sink_caps: Cap,
@ -901,7 +898,6 @@ pub struct BodyCfg {
pub meta: BodyMeta, pub meta: BodyMeta,
pub graph: Cfg, pub graph: Cfg,
pub entry: NodeIndex, pub entry: NodeIndex,
pub exit: NodeIndex,
} }
/// A single import alias binding: local alias → original exported name + module. /// A single import alias binding: local alias → original exported name + module.
@ -5789,7 +5785,6 @@ pub(super) fn build_sub<'a>(
key, key,
LocalFuncSummary { LocalFuncSummary {
entry: fn_entry, entry: fn_entry,
exit: fn_exit,
source_caps: fn_src_bits, source_caps: fn_src_bits,
sanitizer_caps: fn_sani_bits, sanitizer_caps: fn_sani_bits,
sink_caps: fn_sink_bits, sink_caps: fn_sink_bits,
@ -5839,7 +5834,6 @@ pub(super) fn build_sub<'a>(
}, },
graph: fn_graph, graph: fn_graph,
entry: fn_entry, entry: fn_entry,
exit: fn_exit,
}); });
// ── 7) Insert placeholder in parent graph ───────────────────────── // ── 7) Insert placeholder in parent graph ─────────────────────────
@ -6428,7 +6422,6 @@ pub(crate) fn build_cfg<'a>(
}, },
graph: g, graph: g,
entry, entry,
exit,
}; };
bodies.insert(0, toplevel); bodies.insert(0, toplevel);
// Sort by BodyId so that bodies[i].meta.id == BodyId(i). // Sort by BodyId so that bodies[i].meta.id == BodyId(i).