deps: bump russh from 0.46.0 to 0.62.4

[dependabot]

Bumps russh from 0.46.0 to 0.62.4.

Release notes

Sourced from russh's releases.

v0.62.4

Security fixes

Three independent bugs have allowed a client to trigger a panic in the session handler task, thereby crashing their own session.

• GHSA-cqjc-rmpq-xprq: sending a malformed PTY request packet - 8912512
• GHSA-g9hv-x236-4qp3: sending a malformed Curve25519 KEX packet - a7fc1eb
• GHSA-5xvq-cp9x-6p6r: sending a zero Curve25519 key - a7fc1eb

Misc

• russh: bump russh-sftp dev-dependency 2.1.0 → 2.3.0 (#728) #728 (Sion Kang)

v0.62.3

Changes

• 2e3f1cc: Update more RustCrypto dependencies to stabilized versions (#735) (kpcyrd) #735

v0.62.2

Fixes

• 6da3f4a: fixed #733 - incorrect first kex guess handling (Eugene)

v0.62.1

Fixes

• 6fc20b2: Reply with CHANNEL_CLOSE in server handler per RFC 4254 (#675) (Corey Leavitt) #675

v0.62.0

Breaking changes

#686 - make channel confirmations truly async

This changes the signature of the Handler::channel_open_* functions to allow you to make the channel accept/reject decision outside of the main event loop. Instead of immediately returning a bool, they take an additional reply: ChannelOpenHandle argument, which you can move into another async task to confirm or reject the channel later. After the handler function returns, the event loop is immediately unblocked.

This also lets you specify the protocol-level rejection reason.

Migrating your existing code:

    async fn channel_open_session(
        &mut self,
        channel: Channel<Msg>,
+       reply: server::ChannelOpenHandle,
        session: &mut Session,
-   ) -> Result<bool, Self::Error> {
+   ) -> Result<(), Self::Error> {
        if (...) {
-           Ok(false)
+           reply.reject(ChannelOpenFailure::AdministrativelyProhibited).await;
        } else {
-           Ok(true)
+           reply.accept().await;
        }
+       Ok(())
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Commits

• 0089c89 v0.62.4
• 8912512 fixed pty modes validation
• a7fc1eb fix mpint encoding and validate curve25519 keys
• 2311de1 chore(russh): bump russh-sftp dev-dependency 2.1.0 → 2.3.0 (#728)
• 2ae5d72 v0.62.3
• 2e3f1cc Update more RustCrypto dependencies to stabilized versions (#735)
• c4be19f v0.62.2
• 6da3f4a fixed #733 - incorrect first kex guess handling
• b12263b add inureyes as a contributor for code (#732)
• 1779ff2 v0.62.1
• Additional commits viewable in compare view