fix(config): surface why macOS proxy "auto" refuses (exception shapes, SOCKS-only) - #6205
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Included review availability: This review used your included allowance. Your plan provides up to 10 included reviews per hour; 9 remain after this review. 📝 WalkthroughWalkthroughThe macOS system-proxy reader distinguishes SOCKS-only configurations from disabled proxies. For HTTP(S) proxies, it reports unsafe settings and counts unrepresentable exceptions. The ChangesmacOS proxy handling
Priority: ⬇️ Low Estimated code review effort: 3 (Moderate) | ~20 minutes Change: Bug fix Merge Risk: ⚪ Minimal · up to The change improves macOS auto-proxy refusal messages without changing proxy environment handling. No actionable merge-blocking issue remains; merge after normal checks pass. Security Architecture ReviewSecurity architecture risk: ⚪ Minimal · up to The richer refusal messages preserve existing proxy precedence and routing behavior. Unsupported settings still leave the proxy environment unchanged, and the new diagnostics report categories and setting names without exposing exception values. Retained concerns Security review detailsSecurity Blast Radius
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Exact-head static review on 87ff5db: GO on code, with no P0-P2 found. The change remains diagnostic-only, preserves proxy environment/routing, logs only fixed setting names and aggregate exception-shape counts, and keeps raw exception entries, internal hostnames, PAC URLs, and values out of logs. SOCKS-only classification is limited to the no-HTTP/HTTPS path and matches the Windows wording.\n\nHOLD before approval because the PR is still draft with readiness 0/4 and exact-head tests/typecheck CI have not run. Non-blocking P3 follow-ups: the shape labels are heuristic for malformed strings; add a direct assertion for the new toggle-name wording; optionally distinguish a malformed SOCKS record from a valid SOCKS-only setup.
리뷰 · 우선순위 46 / 80이 PR은 맥에서 예전 로그는 "예외를 안전하게 옮길 수 없다" 한 줄이었습니다. 사용자는 스위치를 끌지, 목록을 고칠지 알 수 없었습니다. 이제는 이유가 셋으로 갈립니다. ExcludeSimpleHostnames, 자동 설정(PAC), 자동 찾기(WPAD)가 켜져 있으면 그 설정 이름을 적습니다. 목록 항목을 못 옮기면 모양별 개수를 적습니다. CIDR 대역, 호스트 이름, 별표 모양, 그 밖입니다. HTTP와 HTTPS가 없고 SOCKS만 켜져 있으면 "꺼져 있다" 대신 SOCKS만 있다고 적습니다. 윈도우가 이미 쓰는 말과 같습니다. 목록 안의 이름 자체는 로그에 안 넣습니다. #5893에서 막은 그대로입니다. src/config/macos-system-proxy.ts:66 - 슬래시도 없고 별표도 없고 IP도 아니면 전부 호스트 이름으로 셉니다. 테스트의 src/config/macos-system-proxy.ts:125 - 못 옮기는 예외가 있으면 여기서 반환합니다. SOCKS인지 보는 138번 줄은 그 다음입니다. HTTP 프록시가 없고 SOCKS만 켠 채 src/config/proxy-env.ts:195 - 설정 스위치가 원인인데도 문장은 "예외를 안전하게 옮길 수 없다"로 시작합니다. 괄호에 스위치 이름이 붙을 뿐입니다. PAC와 WPAD는 예외 목록이 아닙니다. tests/server/proxy-env-macos.test.ts:172는 환경 변수가 그대로인지만 확인합니다. 로그에 ExcludeSimpleHostnames나 ProxyAutoConfigEnable이 있는지는 안 봅니다. 이름을 빼도 그 테스트는 통과합니다. 메인테이너의 판단이 필요한 지점 너의 추천 이 댓글은 grok-bot이 작성했습니다 |
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Exact-head follow-up on 87ff5db: one P2 diagnostic-contract defect remains.
When HTTP and HTTPS are absent and SOCKS is enabled, untranslatable exceptions are evaluated first. A SOCKS-only setup containing a CIDR or bare-host entry therefore reports only the exception-shape refusal. Removing those entries still cannot produce HTTP_PROXY, because the primary blocker is SOCKS-only. Detect/report the non-representable transport before exception translation when no HTTP(S) proxy exists, and add the combined SOCKS-plus-unsafe-exceptions regression.
P3 follow-ups: classify only syntactically valid hostnames as bare-hostname rather than placing arbitrary malformed text in that bucket; use setting-specific wording for PAC/WPAD/ExcludeSimpleHostnames instead of saying every toggle is an exception-translation problem; assert the emitted setting name directly.
The exact-head CI run was authorized to produce evidence, but the PR remains draft with readiness 0/4 and should not be approved until the diagnostic precedence/regressions and readiness checklist are fixed. No security scan was run.
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The authorized exact-head Cross-platform CI and React Doctor runs are now fully green. This clears the missing-evidence hold only; the formal changes request remains for SOCKS-vs-exception diagnostic precedence, the focused regressions/P3 wording, and the still-open 0/4 readiness checklist. |
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…xception shapes Review round 1 on lidge-jun#6205 (thanks @Ingwannu and @lidge-jun) surfaced one P2 and three P3 diagnostic-contract issues: - P2: with no HTTP(S) proxy configured, SOCKS-only is the primary blocker. The reader now resolves the transport before consulting toggles or translating exceptions, so a SOCKS-only setup containing untranslatable entries reports socks-only instead of an exception refusal that clearing the list would never lift. - P3: toggles and untranslatable entries now refuse together in one message (toggle name first, then shape counts), so the user fixes both in a single pass instead of discovering them one per retry. - P3: toggle-only refusals name the toggle without the exceptions framing; entry-only refusals keep it. - P3: only syntactically plausible hostnames count as bare-hostname; arbitrary malformed text lands in the other bucket. - P3: added direct assertions for the emitted toggle name and wording; docstrings added for touched helpers. No routing change: refused paths still leave the proxy environment byte-for-byte unchanged. Targeted tests: bun test tests/server/proxy-env-macos.test.ts (53 pass) and tests/server/proxy-env.test.ts (55 pass, 1 skip); bun run typecheck clean. Full suite skipped locally for cost; CI covers the remainder.
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Thank you @Ingwannu and @lidge-jun for the fast, exact-head reviews — the GO on code and the privacy confirmation meant a lot, and every finding was fair. Pushed
No routing change: refused paths still leave the proxy environment byte-for-byte unchanged. Tests: |
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Review comments at @src/config/macos-system-proxy.ts:
- Around line 73-74: Update the doc comment near `translateException` to clarify
that non-canonical IP literals are classified as `other`, so diagnostic shape
counts are interpretable. Leave the hostname-classification logic unchanged.
Review comments at @tests/server/proxy-env-macos.test.ts:
- Around line 227-273: Add a focused log-level test around applyProxyEnvWith for
ProxyAutoConfigEnable and ProxyAutoDiscoveryEnable, asserting the refusal
message follows the toggle priority chain in macOS proxy handling. Keep the test
scoped to these toggle names and avoid changing the existing console-capture
pattern.
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src/config/macos-system-proxy.tssrc/config/proxy-env.tstests/server/proxy-env-macos.test.ts
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…le priority chain CodeRabbit round 2 on lidge-jun#6205: - Document near translateException that non-canonical IPv4 literals (leading-zero octets) refuse discovery and are counted in the other shape bucket; unrepresentableCategory now routes digit-dotted strings there too, so the bare-hostname count only contains hostname-shaped entries and the diagnostic counts stay interpretable. - Add focused log-level tests for ProxyAutoConfigEnable and ProxyAutoDiscoveryEnable asserting the toggle priority chain wording (first enabled toggle wins), following the existing console-capture pattern. No routing change. Targeted tests: proxy-env-macos + proxy-env → 111 pass, 1 skip; bun run typecheck clean.
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…xception shapes Review round 1 on lidge-jun#6205 (thanks @Ingwannu and @lidge-jun) surfaced one P2 and three P3 diagnostic-contract issues: - P2: with no HTTP(S) proxy configured, SOCKS-only is the primary blocker. The reader now resolves the transport before consulting toggles or translating exceptions, so a SOCKS-only setup containing untranslatable entries reports socks-only instead of an exception refusal that clearing the list would never lift. - P3: toggles and untranslatable entries now refuse together in one message (toggle name first, then shape counts), so the user fixes both in a single pass instead of discovering them one per retry. - P3: toggle-only refusals name the toggle without the exceptions framing; entry-only refusals keep it. - P3: only syntactically plausible hostnames count as bare-hostname; arbitrary malformed text lands in the other bucket. - P3: added direct assertions for the emitted toggle name and wording; docstrings added for touched helpers. No routing change: refused paths still leave the proxy environment byte-for-byte unchanged. Targeted tests: bun test tests/server/proxy-env-macos.test.ts (53 pass) and tests/server/proxy-env.test.ts (55 pass, 1 skip); bun run typecheck clean. Full suite skipped locally for cost; CI covers the remainder.
…le priority chain CodeRabbit round 2 on lidge-jun#6205: - Document near translateException that non-canonical IPv4 literals (leading-zero octets) refuse discovery and are counted in the other shape bucket; unrepresentableCategory now routes digit-dotted strings there too, so the bare-hostname count only contains hostname-shaped entries and the diagnostic counts stay interpretable. - Add focused log-level tests for ProxyAutoConfigEnable and ProxyAutoDiscoveryEnable asserting the toggle priority chain wording (first enabled toggle wins), following the existing console-capture pattern. No routing change. Targeted tests: proxy-env-macos + proxy-env → 111 pass, 1 skip; bun run typecheck clean.
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Re-reviewed exact head 97bd342. The prior P2 transport-vs-exception precedence defect is fixed, and the direct toggle-name/combined refusal regressions are present. My isolated Bun 1.4.0 focused run of tests/server/proxy-env-macos.test.ts and tests/server/proxy-env.test.ts returned 110 pass, 1 platform skip, 0 fail under CPUQuota=75%, MemoryMax=1536M and fresh HOME/CODEX_HOME/OPENCODEX_HOME/TMPDIR. No security scan was run. Local typecheck hit the resource-bounded wall-clock limit; it is not reported as passing.
The remaining integration blocker is current exact-head CI, not the original diagnostic code: run 36588263426, job 110221775621 (test 2/4), fails tests/ci-workflows/release-version-line.test.ts:121 because this tree carries package.json 2.72.0 while the highest released tag is v2.75.0. Rebase onto current dev and rerun the readiness/required checks for the resulting head. Do not disable the release regression or independently alter release policy to clear this. React Doctor has passed on the current head.
Non-blocking P3: the bare-hostname diagnostic regex still accepts malformed label structures such as foo..bar; per-label validation would make the syntactically-valid wording exact. This affects categorization only, not routing. Approval stays on hold for the fresh-head required CI evidence.
…, SOCKS-only) macOS proxy "auto" refusal diagnostics named neither the failing setting nor how many exception entries were unrepresentable, and a SOCKS-only system proxy was reported as "disabled". Users hitting the refusal on real machines (bypass lists with CIDR ranges or bare hostnames are the norm) had no way to tell what to change. The reader now distinguishes socks-only from disabled, and refusals carry the blocking setting name or unrepresentable-entry shape counts. Entry names are still never logged: a bypass list can contain internal hostnames, so diagnostics stay at shape/setting granularity. No routing change: every refused path leaves the proxy environment unchanged, as before. Targeted tests: bun test tests/server/proxy-env-macos.test.ts tests/server/proxy-env.test.ts (47+55 pass) and bun run typecheck. Full suite skipped locally for cost; no uncovered behavior outside the macOS "auto" branch.
…xception shapes Review round 1 on lidge-jun#6205 (thanks @Ingwannu and @lidge-jun) surfaced one P2 and three P3 diagnostic-contract issues: - P2: with no HTTP(S) proxy configured, SOCKS-only is the primary blocker. The reader now resolves the transport before consulting toggles or translating exceptions, so a SOCKS-only setup containing untranslatable entries reports socks-only instead of an exception refusal that clearing the list would never lift. - P3: toggles and untranslatable entries now refuse together in one message (toggle name first, then shape counts), so the user fixes both in a single pass instead of discovering them one per retry. - P3: toggle-only refusals name the toggle without the exceptions framing; entry-only refusals keep it. - P3: only syntactically plausible hostnames count as bare-hostname; arbitrary malformed text lands in the other bucket. - P3: added direct assertions for the emitted toggle name and wording; docstrings added for touched helpers. No routing change: refused paths still leave the proxy environment byte-for-byte unchanged. Targeted tests: bun test tests/server/proxy-env-macos.test.ts (53 pass) and tests/server/proxy-env.test.ts (55 pass, 1 skip); bun run typecheck clean. Full suite skipped locally for cost; CI covers the remainder.
…le priority chain CodeRabbit round 2 on lidge-jun#6205: - Document near translateException that non-canonical IPv4 literals (leading-zero octets) refuse discovery and are counted in the other shape bucket; unrepresentableCategory now routes digit-dotted strings there too, so the bare-hostname count only contains hostname-shaped entries and the diagnostic counts stay interpretable. - Add focused log-level tests for ProxyAutoConfigEnable and ProxyAutoDiscoveryEnable asserting the toggle priority chain wording (first enabled toggle wins), following the existing console-capture pattern. No routing change. Targeted tests: proxy-env-macos + proxy-env → 111 pass, 1 skip; bun run typecheck clean.
…urrent dev Review round 2 on lidge-jun#6205 (thank you @Ingwannu for the isolated test evidence and the precise re-review): - The bare-hostname shape bucket now validates each DNS label individually, so malformed structures such as "foo..bar", ".example", "example." and "-example" land in the other bucket instead of inflating the bare-hostname count (non-blocking P3 from round 2). - Rebased on current dev (absorbs the 2.73-2.76 release line), which resolves the release-version-line regression on the previous head. No routing change. Targeted tests: proxy-env-macos + proxy-env → 115 pass, 1 skip; bun run typecheck clean.
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Thank you for the precise re-review and the isolated test evidence — both made the path forward unambiguous.
No routing change. Grateful for the required-CI evidence on the new head whenever convenient. |
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Round 3 reviewed at d364ad6. Rebase onto dev 6429463 clears the stale release-line source issue, and the per-label hostname validation addresses the P3 categorization note. My new isolated Bun 1.4.0 run passed 114 tests, 1 platform skip, 0 failures, 316 assertions (115 tests total), using CPUQuota=75%, MemoryMax=1536M and fresh homes. The current-head Cross-platform CI and React Doctor runs are now authorized. Approval remains pending the resulting required CI and head-bound readiness re-attestation; old-head green runs are not reused. No security scan or live macOS service operation was performed.
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Approved exact head d364ad6. This explicitly withdraws my earlier changes requests: transport precedence, emitted setting-name coverage, per-label hostname classification, and the stale release line have been addressed. The remaining outdated doc-comment thread is fixed in this tree and has been resolved, not waived. The isolated focused evidence remains 114 pass / 1 platform skip / 0 fail; unchanged passing tests were not rerun. Current-head Cross-platform CI 36817722197 and required checks are successful, and readiness is 4/4 with draft cleared. Trusted dev is now a6114b6 (two commits beyond the reviewed base); the two new role/snapshot changes do not alter this three-file diagnostic-only patch. This is technical approval, not a merge, live macOS validation, security scan, or release.
…TP(S) proxy is set
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Maintainer follow-up commit The transport-precedence change returned early when no HTTP(S) proxy was set, before the PAC/WPAD toggles were read. A PAC-only machine (a common corporate setup) was therefore logged as "macOS system proxy is disabled", and SOCKS plus PAC/WPAD was logged as "SOCKS-only ... using direct egress" even though PAC may route the traffic. Egress was never affected; only the explanation was wrong. With no HTTP(S) proxy, Local suites were not run on the project owner's instruction; hosted CI on this head is the evidence. Thanks @JinHanAI for the rest of this work. |
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Maintainer integration record (MAINTAINERS.md, dev-only)
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Maintainer integration record (MAINTAINERS.md, dev-only)
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Update (review round 2)
Rebased on current
dev; addressed round-1 review: the transport blocker (SOCKS-only / disabled) is now resolved before toggles or exception shapes are consulted, toggles and entry shapes refuse together in one message with setting-specific wording, only syntactically valid hostnames count as bare-hostname, and direct assertions cover the emitted toggle name. Head:c337e19.Summary
Follow-up to the macOS system proxy discovery that landed for
proxy: "auto"via #5893 (from #5853 — thank you @codingbooo and @lidge-jun for shepherding it in). On real machines, the discovery refuses quite often, and today's single-line reason leaves no way to tell what to change. This PR makes the refusal self-explanatory without changing any routing decision or logging a single exception entry:(ExcludeSimpleHostnames is enabled)(2 CIDR, 3 bare-hostname entries)disabledWhy
Proxy clients on macOS write bypass lists that routinely contain CIDR ranges and bare hostnames. On one such machine, 14 exception entries yield 10 unrepresentable shapes (
10.0.0.0/8,www.example,localhost, …), soproxy: "auto"refuses while printing:The user cannot tell whether to flip a toggle or edit a list, or which end to look at. With this change the same machine reports the blocking toggle by name, or — once entries are the blocker — exactly how many of which shape:
Privacy: entry names stay unlogged
#5893 deliberately refuses without echoing exception entries, and the existing tests assert it — a bypass list can name internal hosts. This PR keeps that guarantee intact and adds a test asserting it for the new counts path: refusals carry shape categories and setting names only. Setting names (
ExcludeSimpleHostnames,ProxyAutoConfigEnable,ProxyAutoDiscoveryEnable) are system toggles, not user data.No routing change
Every refused path still leaves the proxy environment byte-for-byte unchanged, exactly as before; the SOCKS-only case still resolves to direct egress, now with the same honest wording as the Windows reader. The change is confined to the macOS
autobranch and the reader's result type.flowchart LR A["scutil --proxy output"] --> B{"readMacOSSystemProxy"} B -- "usable proxy" --> C["env applied (unchanged)"] B -- "toggle: ExcludeSimpleHostnames / PAC / WPAD" --> D["reason: setting name"] B -- "untranslatable entries" --> E["reason: shape counts"] B -- "SOCKSEnable=1, no HTTP/S" --> F["reason: SOCKS-only (Windows parity)"] D --> G["refused — proxy environment unchanged"] E --> G F --> GTests
Targeted runs were used instead of the full suite for local cost reasons; happy to run anything reviewers consider missing.
bun test tests/server/proxy-env-macos.test.ts+tests/server/proxy-env.test.tsbun test tests/server/proxy-env.test.tsbun run typecheckNew coverage: shape counts (CIDR / bare-hostname / wildcard buckets on a mixed list), the
socks-onlykind, counts-visible-but-names-never-logged at theapplyProxyEnvWithlevel, and the SOCKS-only message. Not covered: the Windows reader (untouched) and full-suite lanes, which CI will exercise.If the shape categories or wording would rather match a different convention, I am glad to adjust — thank you for reviewing.
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