Add partial support for SSH known hosts markers #11635

hds · 2023-01-27T16:57:07Z

What does this PR try to resolve?

The SSH known_hosts file parsing in Cargo did not previously support
markers. Markers are modifiers on the lines (@cert-authority and
@revoked) which denote special behavior for the details on that line.
Lines were skipped entirely.

This silent skipping of marker lines can be confusing to a user, who
sees that their command line Git/SSH client works for some repository,
but Cargo reports that no host key is found.

This change adds support for the @revoked marker. This marker denotes
that a key should be rejected outright. It is of limited use without
@cert-authority marker support. However, if it is present in a user's
known_hosts file, then Cargo definitely shouldn't accept that key and
probably shouldn't suggest that the user add it to their known_hosts
either.

The change also adds support for detecting @cert-authority markers in
known_hosts files. These lines cannot yet be used for host key
verification, but if one is found for a matching host, the user will be
informed that Cargo doesn't support @cert-authority markers in the
error message. Additionally, the user will be advised to use the
net.git-fetch-with-cli config option to use the command line git
client for fetching crates from Git.

Refs: #11577

How should we test and review this PR?

The changes in this PR are covered by unit tests, all within
src/cargo/sources/git/known_hosts.rs.

Additionally, manual testing can be performed. For this you will need
an OpenSSH server (it doesn't need to be a Git server). I'll assume
that you have one running on your local machine at 127.0.0.1.

Setup

Create a new Cargo project and add the following line to [dependencies]:

fake-crate = { git = "ssh://127.0.0.1/fake-crate.git" }

Test missing host key: `HostKeyNotFound` (existing functionality)

Back up your known_hosts file and then remove any lines for 127.0.0.1.
Verify host key not present: ssh 127.0.0.1. SSH should tell you The authenticity of host '127.0.0.1 (127.0.0.1)' can't be established.
Run cargo build
Expect error from Cargo: error: unknown SSH host key

Test `@revoked` key: `HostKeyRevoked`

Back up your known_hosts file and then remove any lines for 127.0.0.1.
Add host key: ssh 127.0.0.1 answer yes
Find all lines in known_hosts beginning with 127.0.0.1 (there may be multiple).
Add @revoked to the beginning of all lines in (3)
Run cargo build
Expect error from Cargo: error: Key has been revoked for 127.0.0.1

Test @cert-authority`(not being supported):`HostHasOnlyCertAuthority`

Back up your known_hosts file and then remove any lines for 127.0.0.1.
Run cargo build
Expect error from Cargo: error: unknown SSH host key
Check the line after The key to add is: in the error message and copy the key type (e.g. ecdsa-sha2-nistp256)
Add a line to known_hosts: @cert-authority 127.0.0.1 <key-type> AAAAB5Wm (e.g. @cert-authority 127.0.0.1 ecdsa-sha2-nistp256 AAAAB5Wm)
Run cargo build
Expect error from Cargo: error: Found a @cert-authority marker for 127.0.0.1

Additional information

Cargo doesn't currently support a few things when checking host keys. This may affect the testing described above.

Multiple host key types (OpenSSH negotiates the host key type and can support matching the one present in the known_hosts file even when it's not the preferred type of the server).
Wildcard matching of host patterns (there's a FIXME for this)

More information about SSH known host markers can be found
on #11577.

The SSH `known_hosts` file parsing in Cargo did not previously support markers. Markers are modifiers on the lines (`@cert-authority` and `@revoked`) which denote special behavior for the details on that line. Lines were skipped entirely. This silent skipping of marker lines can be confusing to a user, who sees that their command line Git/SSH client works for some repository, but Cargo reports that no host key is found. This change adds support for the `@revoked` marker. This marker denotes that a key should be rejected outright. It is of limited use without `@cert-authority` marker support. However, if it is present in a user's `known_hosts` file, then Cargo definitely shouldn't accept that key and probably shouldn't suggest that the user add it to their `known_hosts` either. The change also adds support for detecting `@cert-authority` markers in `known_hosts` files. These lines cannot yet be used for host key verification, but if one is found for a matching host, the user will be informed that Cargo doesn't support `@cert-authority` markers in the error message. Additionally, the user will be advised to use the `net.git-fetch-with-cli` config option to use the command line git client for fetching crates from Git. Refs: rust-lang#11577

rustbot · 2023-01-27T16:57:13Z

r? @ehuss

(rustbot has picked a reviewer for you, use r? to override)

ehuss

Thanks, this looks great! I only have some very minor style nits.

src/cargo/sources/git/known_hosts.rs

ehuss · 2023-01-28T15:31:29Z

BTW, regarding this:

Multiple host key types (OpenSSH negotiates the host key type and can support matching the one present in the known_hosts file even when it's not the preferred type of the server).

We're working on that on the git2 side.

Co-authored-by: Eric Huss <[email protected]>

hds · 2023-01-30T09:46:40Z

We're working on that on the git2 side.

That's fantastic!

ehuss · 2023-01-31T13:48:23Z

src/cargo/sources/git/known_hosts.rs

+ if key_matches {
+ return Ok(());
+ }


I believe there is an issue here. This should not early return on a key match. Otherwise the known_hosts file becomes order-dependent, particularly if the revoked key is found later in a file. I think this should only return until after all entries have been processed.

You're completely right. Nice catch!

I've fixed the issue and added a test for this case for good measure.

@Revoked

…n processed Since a @Revoked line might deny access to a key which would otherwise be accepted, we need to process all lines before we decide that a host key should be accepted.

…sh-known-hosts-markers

ehuss · 2023-01-31T19:48:30Z

src/cargo/sources/git/known_hosts.rs

+ if key_matches {
+ accepted_known_host_found = true;
+ }
+
+ // The host and key type matched, but the key itself did not.
+ // This indicates the key has changed.
+ // This is only reported as an error if no subsequent lines have a
+ // correct key.
+ latent_errors.push(KnownHostError::HostKeyHasChanged {
+ hostname: host.to_string(),
+ key_type: remote_key_type,
+ old_known_host: known_host.clone(),
+ remote_host_key: remote_host_key_encoded.clone(),
+ remote_fingerprint: remote_fingerprint.clone(),
+ });


I think the latent_errors part should be in an else block. Otherwise a matching entry will always add a latent error. Although that won't cause any harm as it is written now, I think it would be good to avoid adding an incorrect error object.

You're right. I'm sorry about that, I made that last change without thinking enough it seems. I've fixed this as suggested now.

ehuss · 2023-02-01T03:40:19Z

Thanks!

@bors r

bors · 2023-02-01T03:40:21Z

📌 Commit 0acf2bf has been approved by ehuss

It is now in the queue for this repository.

bors · 2023-02-01T03:48:17Z

⌛ Testing commit 0acf2bf with merge 582246c...

bors · 2023-02-01T04:48:41Z

☀️ Test successful - checks-actions
Approved by: ehuss
Pushing 582246c to master...

12 commits in e84a7928d93a31f284b497c214a2ece69b4d7719..82c3bb79e3a19a5164e33819ef81bfc2c984bc56 2023-01-31 22:18:09 0000 to 2023-02-04 22:52:16 0000 - util toml targets: Do not infer directory as a file (rust-lang/cargo#11678) - Add more guidance on how to implement unstable features (rust-lang/cargo#11675) - Fix unstable chapter layout for codegen-backend (rust-lang/cargo#11676) - refactor: mod.rs over "name".rs for consistency (rust-lang/cargo#11673) - Verify source before recompile (rust-lang/cargo#11672) - doc: more doc comments and intra-doc links (rust-lang/cargo#11669) - Turn off debuginfo for build dependencies v2 (rust-lang/cargo#11252) - config: Deny CARGO_HOME in [env] table (fixes rust-lang/cargo#11590) (rust-lang/cargo#11644) - Fix the wrong comment (rust-lang/cargo#11651) - Add partial support for SSH known hosts markers (rust-lang/cargo#11635) - Replace `winapi` with `windows-sys` crate. (rust-lang/cargo#11656) - Handle .cargo-ok being truncated (rust-lang/cargo#11665)

Update cargo 12 commits in e84a7928d93a31f284b497c214a2ece69b4d7719..82c3bb79e3a19a5164e33819ef81bfc2c984bc56 2023-01-31 22:18:09 0000 to 2023-02-04 22:52:16 0000 - util toml targets: Do not infer directory as a file (rust-lang/cargo#11678) - Add more guidance on how to implement unstable features (rust-lang/cargo#11675) - Fix unstable chapter layout for codegen-backend (rust-lang/cargo#11676) - refactor: mod.rs over "name".rs for consistency (rust-lang/cargo#11673) - Verify source before recompile (rust-lang/cargo#11672) - doc: more doc comments and intra-doc links (rust-lang/cargo#11669) - Turn off debuginfo for build dependencies v2 (rust-lang/cargo#11252) - config: Deny CARGO_HOME in [env] table (fixes rust-lang/cargo#11590) (rust-lang/cargo#11644) - Fix the wrong comment (rust-lang/cargo#11651) - Add partial support for SSH known hosts markers (rust-lang/cargo#11635) - Replace `winapi` with `windows-sys` crate. (rust-lang/cargo#11656) - Handle .cargo-ok being truncated (rust-lang/cargo#11665) r? `@ghost`

Add partial support for SSH known hosts markers ### What does this PR try to resolve? The SSH `known_hosts` file parsing in Cargo did not previously support markers. Markers are modifiers on the lines (``@cert-authority`` and ``@revoked`)` which denote special behavior for the details on that line. Lines were skipped entirely. This silent skipping of marker lines can be confusing to a user, who sees that their command line Git/SSH client works for some repository, but Cargo reports that no host key is found. This change adds support for the ``@revoked`` marker. This marker denotes that a key should be rejected outright. It is of limited use without ``@cert-authority`` marker support. However, if it is present in a user's `known_hosts` file, then Cargo definitely shouldn't accept that key and probably shouldn't suggest that the user add it to their `known_hosts` either. The change also adds support for detecting ``@cert-authority`` markers in `known_hosts` files. These lines cannot yet be used for host key verification, but if one is found for a matching host, the user will be informed that Cargo doesn't support ``@cert-authority`` markers in the error message. Additionally, the user will be advised to use the `net.git-fetch-with-cli` config option to use the command line git client for fetching crates from Git. Refs: rust-lang#11577 ### How should we test and review this PR? The changes in this PR are covered by unit tests, all within `src/cargo/sources/git/known_hosts.rs`. Additionally, manual testing can be performed. For this you will need an OpenSSH server (it doesn't need to be a Git server). I'll assume that you have one running on your local machine at `127.0.0.1`. #### Setup 1. Create a new Cargo project and add the following line to `[dependencies]`: ```toml fake-crate = { git = "ssh://127.0.0.1/fake-crate.git" } ``` #### Test missing host key: `HostKeyNotFound` (existing functionality) 1. Back up your `known_hosts` file and then remove any lines for `127.0.0.1`. 2. Verify host key not present: `ssh 127.0.0.1`. SSH should tell you `The authenticity of host '127.0.0.1 (127.0.0.1)' can't be established.` 3. Run `cargo build` 4. Expect error from Cargo: `error: unknown SSH host key` #### Test ``@revoked`` key: `HostKeyRevoked` 1. Back up your `known_hosts` file and then remove any lines for `127.0.0.1`. 2. Add host key: `ssh 127.0.0.1` answer `yes` 3. Find all lines in `known_hosts` beginning with `127.0.0.1` (there may be multiple). 4. Add ``@revoked` ` to the beginning of all lines in (3) 5. Run `cargo build` 6. Expect error from Cargo: error: Key has been revoked for `127.0.0.1` #### Test `@cert-authority`` (not being supported): `HostHasOnlyCertAuthority` 1. Back up your `known_hosts` file and then remove any lines for `127.0.0.1`. 2. Run `cargo build` 3. Expect error from Cargo: `error: unknown SSH host key` 4. Check the line after ` The key to add is:` in the error message and copy the key type (e.g. `ecdsa-sha2-nistp256`) 5. Add a line to `known_hosts`: ``@cert-authority` 127.0.0.1 <key-type> AAAAB5Wm` (e.g. ``@cert-authority` 127.0.0.1 ecdsa-sha2-nistp256 AAAAB5Wm`) 7. Run `cargo build` 8. Expect error from Cargo: error: Found a ``@cert-authority`` marker for `127.0.0.1` ### Additional information Cargo doesn't currently support a few things when checking host keys. This may affect the testing described above. * Multiple host key types (OpenSSH negotiates the host key type and can support matching the one present in the `known_hosts` file even when it's not the preferred type of the server). * Wildcard matching of host patterns (there's a FIXME for this) More information about SSH known host markers can be found on rust-lang#11577.

pietroalbini · 2023-03-26T20:18:04Z

Note that this will be included in the upcoming Rust 1.68.2 point release, scheduled for 2023-03-28, as it's a prerequisite for #11889.

[stable] Backport GitHub RSA key revocation Backports for 1.68.2 patch release: - Use the new GitHub key: #11883 - Bump the stable version number - Fix semver check (to pass CI): #11817 - Support revocation markers: #11635 - Revoke the previous GitHub RSA key: #11889

[stable] Prepare Rust 1.68.2 This PR prepares the 1.68.2 point release, including the following Cargo PRs: * rust-lang/cargo#11883 * rust-lang/cargo#11889 The following PR was also included as a pre-requisite for backporting: * rust-lang/cargo#11635 cc `@rust-lang/release` r? `@ghost`

Pkgsrc changes: * Adjust patches (add & remove) and cargo checksums to new versions. * It's conceivable that the workaround for LLVM based NetBSD works even less in this version (ref. PKGSRC_HAVE_LIBCPP not having a corresponding patch anymore). Upstream changes: Version 1.68.2 (2023-03-28) =========================== - [Update the GitHub RSA host key bundled within Cargo] (rust-lang/cargo#11883). The key was [rotated by GitHub] (https://github.blog/2023-03-23-we-updated-our-rsa-ssh-host-key/) on 2023-03-24 after the old one leaked. - [Mark the old GitHub RSA host key as revoked] (rust-lang/cargo#11889). This will prevent Cargo from accepting the leaked key even when trusted by the system. - [Add support for `@revoked` and a better error message for `@cert-authority` in Cargo's SSH host key verification] (rust-lang/cargo#11635) Version 1.68.1 (2023-03-23) =========================== - [Fix miscompilation in produced Windows MSVC artifacts] (rust-lang/rust#109094) This was introduced by enabling ThinLTO for the distributed rustc which led to miscompilations in the resulting binary. Currently this is believed to be limited to the -Zdylib-lto flag used for rustc compilation, rather than a general bug in ThinLTO, so only rustc artifacts should be affected. - [Fix --enable-local-rust builds] (rust-lang/rust#109111) - [Treat `$prefix-clang` as `clang` in linker detection code] (rust-lang/rust#109156) - [Fix panic in compiler code] (rust-lang/rust#108162) Version 1.68.0 (2023-03-09) =========================== Language -------- - [Stabilize default_alloc_error_handler] (rust-lang/rust#102318) This allows usage of `alloc` on stable without requiring the definition of a handler for allocation failure. Defining custom handlers is still unstable. - [Stabilize `efiapi` calling convention.] (rust-lang/rust#105795) - [Remove implicit promotion for types with drop glue] (rust-lang/rust#105085) Compiler -------- - [Change `bindings_with_variant_name` to deny-by-default] (rust-lang/rust#104154) - [Allow .. to be parsed as let initializer] (rust-lang/rust#105701) - [Add `armv7-sony-vita-newlibeabihf` as a tier 3 target] (rust-lang/rust#105712) - [Always check alignment during compile-time const evaluation] (rust-lang/rust#104616) - [Disable "split dwarf inlining" by default.] (rust-lang/rust#106709) - [Add vendor to Fuchsia's target triple] (rust-lang/rust#106429) - [Enable sanitizers for s390x-linux] (rust-lang/rust#107127) Libraries --------- - [Loosen the bound on the Debug implementation of Weak.] (rust-lang/rust#90291) - [Make `std::task::Context` !Send and !Sync] (rust-lang/rust#95985) - [PhantomData layout guarantees] (rust-lang/rust#104081) - [Don't derive Debug for `OnceWith` & `RepeatWith`] (rust-lang/rust#104163) - [Implement DerefMut for PathBuf] (rust-lang/rust#105018) - [Add O(1) `Vec -> VecDeque` conversion guarantee] (rust-lang/rust#105128) - [Leak amplification for peek_mut() to ensure BinaryHeap's invariant is always met] (rust-lang/rust#105851) Stabilized APIs --------------- - [`{core,std}::pin::pin!`] (https://doc.rust-lang.org/stable/std/pin/macro.pin.html) - [`impl From<bool> for {f32,f64}`] (https://doc.rust-lang.org/stable/std/primitive.f32.html#impl-From-for-f32) - [`std::path::MAIN_SEPARATOR_STR`] (https://doc.rust-lang.org/stable/std/path/constant.MAIN_SEPARATOR_STR.html) - [`impl DerefMut for PathBuf`] (https://doc.rust-lang.org/stable/std/path/struct.PathBuf.html#impl-DerefMut-for-PathBuf) These APIs are now stable in const contexts: - [`VecDeque::new`] (https://doc.rust-lang.org/stable/std/collections/struct.VecDeque.html#method.new) Cargo ----- - [Stabilize sparse registry support for crates.io] (rust-lang/cargo#11224) - [`cargo build --verbose` tells you more about why it recompiles.] (rust-lang/cargo#11407) - [Show progress of crates.io index update even `net.git-fetch-with-cli` option enabled] (rust-lang/cargo#11579) Misc ---- Compatibility Notes ------------------- - [Add `SEMICOLON_IN_EXPRESSIONS_FROM_MACROS` to future-incompat report] (rust-lang/rust#103418) - [Only specify `--target` by default for `-Zgcc-ld=lld` on wasm] (rust-lang/rust#101792) - [Bump `IMPLIED_BOUNDS_ENTAILMENT` to Deny ReportNow] (rust-lang/rust#106465) - [`std::task::Context` no longer implements Send and Sync] (rust-lang/rust#95985) nternal Changes ---------------- These changes do not affect any public interfaces of Rust, but they represent significant improvements to the performance or internals of rustc and related tools. - [Encode spans relative to the enclosing item] (rust-lang/rust#84762) - [Don't normalize in AstConv] (rust-lang/rust#101947) - [Find the right lower bound region in the scenario of partial order relations] (rust-lang/rust#104765) - [Fix impl block in const expr] (rust-lang/rust#104889) - [Check ADT fields for copy implementations considering regions] (rust-lang/rust#105102) - [rustdoc: simplify JS search routine by not messing with lev distance] (rust-lang/rust#105796) - [Enable ThinLTO for rustc on `x86_64-pc-windows-msvc`] (rust-lang/rust#103591) - [Enable ThinLTO for rustc on `x86_64-apple-darwin`] (rust-lang/rust#103647) Version 1.67.0 (2023-01-26) ========================== Language -------- - [Make `Sized` predicates coinductive, allowing cycles.] (rust-lang/rust#100386) - [`#[must_use]` annotations on `async fn` also affect the `Future::Output`.] (rust-lang/rust#100633) - [Elaborate supertrait obligations when deducing closure signatures.] (rust-lang/rust#101834) - [Invalid literals are no longer an error under `cfg(FALSE)`.] (rust-lang/rust#102944) - [Unreserve braced enum variants in value namespace.] (rust-lang/rust#103578) Compiler -------- - [Enable varargs support for calling conventions other than `C` or `cdecl`.] (rust-lang/rust#97971) - [Add new MIR constant propagation based on dataflow analysis.] (rust-lang/rust#101168) - [Optimize field ordering by grouping m\*2^n-sized fields with equivalently aligned ones.] (rust-lang/rust#102750) - [Stabilize native library modifier `verbatim`.] (rust-lang/rust#104360) Added and removed targets: - [Add a tier 3 target for PowerPC on AIX] (rust-lang/rust#102293), `powerpc64-ibm-aix`. - [Add a tier 3 target for the Sony PlayStation 1] (rust-lang/rust#102689), `mipsel-sony-psx`. - [Add tier 3 `no_std` targets for the QNX Neutrino RTOS] (rust-lang/rust#102701), `aarch64-unknown-nto-qnx710` and `x86_64-pc-nto-qnx710`. - [Remove tier 3 `linuxkernel` targets] (rust-lang/rust#104015) (not used by the actual kernel). Refer to Rust's [platform support page][platform-support-doc] for more information on Rust's tiered platform support. Libraries --------- - [Merge `crossbeam-channel` into `std::sync::mpsc`.] (rust-lang/rust#93563) - [Fix inconsistent rounding of 0.5 when formatted to 0 decimal places.] (rust-lang/rust#102935) - [Derive `Eq` and `Hash` for `ControlFlow`.] (rust-lang/rust#103084) - [Don't build `compiler_builtins` with `-C panic=abort`.] (rust-lang/rust#103786) Stabilized APIs --------------- - [`{integer}::checked_ilog`] (https://doc.rust-lang.org/stable/std/primitive.i32.html#method.checked_ilog) - [`{integer}::checked_ilog2`] (https://doc.rust-lang.org/stable/std/primitive.i32.html#method.checked_ilog2) - [`{integer}::checked_ilog10`] (https://doc.rust-lang.org/stable/std/primitive.i32.html#method.checked_ilog10) - [`{integer}::ilog`] (https://doc.rust-lang.org/stable/std/primitive.i32.html#method.ilog) - [`{integer}::ilog2`] (https://doc.rust-lang.org/stable/std/primitive.i32.html#method.ilog2) - [`{integer}::ilog10`] (https://doc.rust-lang.org/stable/std/primitive.i32.html#method.ilog10) - [`NonZeroU*::ilog2`] (https://doc.rust-lang.org/stable/std/num/struct.NonZeroU32.html#method.ilog2) - [`NonZeroU*::ilog10`] (https://doc.rust-lang.org/stable/std/num/struct.NonZeroU32.html#method.ilog10) - [`NonZero*::BITS`] (https://doc.rust-lang.org/stable/std/num/struct.NonZeroU32.html#associatedconstant.BITS) These APIs are now stable in const contexts: - [`char::from_u32`] (https://doc.rust-lang.org/stable/std/primitive.char.html#method.from_u32) - [`char::from_digit`] (https://doc.rust-lang.org/stable/std/primitive.char.html#method.from_digit) - [`char::to_digit`] (https://doc.rust-lang.org/stable/std/primitive.char.html#method.to_digit) - [`core::char::from_u32`] (https://doc.rust-lang.org/stable/core/char/fn.from_u32.html) - [`core::char::from_digit`] (https://doc.rust-lang.org/stable/core/char/fn.from_digit.html) Compatibility Notes ------------------- - [The layout of `repr(Rust)` types now groups m\*2^n-sized fields with equivalently aligned ones.] (rust-lang/rust#102750) This is intended to be an optimization, but it is also known to increase type sizes in a few cases for the placement of enum tags. As a reminder, the layout of `repr(Rust)` types is an implementation detail, subject to change. - [0.5 now rounds to 0 when formatted to 0 decimal places.] (rust-lang/rust#102935) This makes it consistent with the rest of floating point formatting that rounds ties toward even digits. - [Chains of `&&` and `||` will now drop temporaries from their sub-expressions in evaluation order, left-to-right.] (rust-lang/rust#103293) Previously, it was "twisted" such that the _first_ expression dropped its temporaries _last_, after all of the other expressions dropped in order. - [Underscore suffixes on string literals are now a hard error.] (rust-lang/rust#103914) This has been a future-compatibility warning since 1.20.0. - [Stop passing `-export-dynamic` to `wasm-ld`.] (rust-lang/rust#105405) - [`main` is now mangled as `__main_void` on `wasm32-wasi`.] (rust-lang/rust#105468) - [Cargo now emits an error if there are multiple registries in the configuration with the same index URL.] (rust-lang/cargo#10592) Internal Changes ---------------- These changes do not affect any public interfaces of Rust, but they represent significant improvements to the performance or internals of rustc and related tools. - [Rewrite LLVM's archive writer in Rust.] (rust-lang/rust#97485)

rustbot assigned ehuss Jan 27, 2023

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Co-authored-by: Eric Huss <[email protected]>

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hds added 3 commits January 31, 2023 16:08

Fix host file checking to not return success until all lines have bee…

26e08ab

…n processed Since a @Revoked line might deny access to a key which would otherwise be accepted, we need to process all lines before we decide that a host key should be accepted.

Merge branch 'ssh-known-hosts-markers' of github.com:hds/cargo into s…

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…sh-known-hosts-markers

cargo fmt

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avoid recording incorrect host key has changed errors

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bors added S-waiting-on-bors Status: Waiting on bors to run and complete tests. Bors will change the label on completion. and removed S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. labels Feb 1, 2023

bors merged commit 582246c into rust-lang:master Feb 1, 2023

This was referenced Feb 7, 2023

Cargo built-in Git/SSH client doesn't support @cert-authority #11577

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Update cargo rust-lang/rust#107778

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ehuss added this to the 1.69.0 milestone Mar 9, 2023

ehuss mentioned this pull request Mar 26, 2023

[stable] Backport GitHub RSA key revocation #11891

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ehuss modified the milestones: 1.69.0, 1.68.2 Mar 26, 2023

pietroalbini mentioned this pull request Mar 26, 2023

[stable] Prepare Rust 1.68.2 rust-lang/rust#109644

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hds commented Jan 27, 2023

What does this PR try to resolve?

How should we test and review this PR?

Setup

Test missing host key: HostKeyNotFound (existing functionality)

Test @revoked key: HostKeyRevoked

Test @cert-authority(not being supported):HostHasOnlyCertAuthority`

Additional information

rustbot commented Jan 27, 2023

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ehuss commented Feb 1, 2023

bors commented Feb 1, 2023

bors commented Feb 1, 2023

bors commented Feb 1, 2023

pietroalbini commented Mar 26, 2023

Test missing host key: `HostKeyNotFound` (existing functionality)

Test `@revoked` key: `HostKeyRevoked`

Test @cert-authority`(not being supported):`HostHasOnlyCertAuthority`