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feat(crypto/keyring): add Linux's keyctl support #21653

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merged 15 commits into from
Sep 16, 2024

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@alessio alessio commented Sep 11, 2024

Description

Supersedes #17607


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Summary by CodeRabbit

  • New Features

    • Introduced a bulk-add-genesis-account command in the CLI for easier management of multiple genesis accounts.
    • Added a Linux-specific keyring backend for enhanced key management capabilities.
  • Improvements

    • Enhanced documentation for the keyring package, detailing the new Linux keyctl backend.
    • Updated the CHANGELOG to reflect the latest features and improvements.

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coderabbitai bot commented Sep 11, 2024

Walkthrough

Walkthrough

The changes introduce enhancements to the Cosmos SDK's keyring functionality. A new CLI command, bulk-add-genesis-account, enables the addition of multiple genesis accounts simultaneously. Additionally, a Linux-specific backend using the keyctl for key management has been implemented, alongside a separate implementation for non-Linux environments. Documentation has been updated to reflect these changes, and relevant entries have been added to the CHANGELOG.md.

Changes

Files Change Summary
CHANGELOG.md Added an entry for the bulk-add-genesis-account command and the implementation of a Linux-only backend that adds Linux kernel's keyctl support in the crypto/keyring module.
crypto/keyring/keyring.go Removed Options struct and renamed New function to newKeyringGeneric.
crypto/keyring/keyring_linux.go Added Linux-specific keyring support with a new New function and newKeyctlBackendConfig for keyring configuration using the keyctl backend.
crypto/keyring/keyring_other.go Added a New function for non-Linux environments that delegates to newKeyringGeneric for keyring instance creation and introduced an Options struct for configuration.
crypto/keyring/keyring_linux_test.go Introduced a test suite for the NewKeyctlKeyring function to verify the creation of a keyring using the keyctl backend on Linux.
crypto/keyring/doc.go Updated documentation for the keyctl backend to clarify its functionality and exclusivity to Linux environments.

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Files that changed from the base of the PR and between fedc20a and e3e7c26.

Files selected for processing (1)
  • CHANGELOG.md (1 hunks)
Files skipped from review as they are similar to previous changes (1)
  • CHANGELOG.md

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@julienrbrt julienrbrt changed the title Keyring backend keyctl feat(crypto/keyring): add Linux's keyctl support Sep 11, 2024
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alessio commented Sep 11, 2024

@tac0turtle 😃

CHANGELOG.md Outdated Show resolved Hide resolved
@alessio alessio force-pushed the keyring-backend-keyctl branch 3 times, most recently from 81065eb to 533ad0e Compare September 11, 2024 16:24
Alessio Treglia and others added 2 commits September 12, 2024 04:23
keyctl is a Linux kernel's interface to help
protect cryptohtaphic data from a whole class
of potential security vulnerabilities.

The Keyctl backend leverages such Linux's kernel
feature to store keys in memory securely.

For more information, please see:
https://docs.kernel.org/security/keys/core.html

The keyctl backend is available on Linux platforms
only.
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LGTM. Please take a look at the failing tests. Thanks

AllowedBackends: []keyring.BackendType{keyring.KeyCtlBackend},
ServiceName: appName,
KeyCtlScope: "user",
KeyCtlPerm: 0x3f3f0000,
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Can you add a clarification on which are the granted permissions here?

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I am doing more work to provide users with sensible perms/scope options

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By default, user and session keyring give access to the owner (i.e. the creator) only

Signed-off-by: Alessio Treglia <[email protected]>
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Actionable comments posted: 0

Outside diff range and nitpick comments (1)
crypto/keyring/keyring_linux_test.go (1)

17-51: LGTM! Consider adding more test cases.

The test function TestNewKeyctlKeyring is well-structured and follows the table-driven approach. It covers the happy path scenario of creating a new keyring with the keyctl backend.

Suggestions for improvement:

  • Consider adding more test cases to cover error scenarios, such as passing an invalid backend or an invalid directory.
  • Consider adding test cases to cover edge cases, such as passing an empty app name or an empty user input.

These additional test cases will help improve the test coverage and ensure the robustness of the New function.

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Commits

Files that changed from the base of the PR and between 900a7a1 and fedc20a.

Files selected for processing (2)
  • crypto/keyring/keyring_linux.go (1 hunks)
  • crypto/keyring/keyring_linux_test.go (1 hunks)
Files skipped from review as they are similar to previous changes (1)
  • crypto/keyring/keyring_linux.go
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crypto/keyring/keyring_linux_test.go (2)

Pattern **/*.go: Review the Golang code for conformity with the Uber Golang style guide, highlighting any deviations.


Pattern **/*_test.go: "Assess the unit test code assessing sufficient code coverage for the changes associated in the pull request"

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alessio commented Sep 12, 2024

LGTM. Please take a look at the failing tests. Thanks

Ciao! gosec and repo_analysis failures seem odd. Any help is appreciated. Thanks!

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LGTM. Please take a look at the failing tests. Thanks

Ciao! gosec and repo_analysis failures seem odd. Any help is appreciated. Thanks!

LGTM. Please take a look at the failing tests. Thanks

Ciao! gosec and repo_analysis failures seem odd. Any help is appreciated. Thanks!

Those can be safely ignored 👍🏾

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alessio commented Sep 12, 2024

golangci-linter's last job failed for code changes that are not included in this PR

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utACK

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golangci-linter's last job failed for code changes that are not included in this PR

Correct, it should be fixed now, could you merge main?

@tac0turtle tac0turtle added this pull request to the merge queue Sep 16, 2024
Merged via the queue into cosmos:main with commit c0eced8 Sep 16, 2024
68 of 69 checks passed
@alessio alessio deleted the keyring-backend-keyctl branch September 19, 2024 15:52
@alessio alessio restored the keyring-backend-keyctl branch September 20, 2024 15:30
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alessio commented Sep 20, 2024

Hello again, gals and lads! Can we have this backported to v0.52.x and v0.50.0x, please?

Thanks for considering.

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Hello again, gals and lads! Can we have this backported to v0.52.x and v0.50.0x, please?

Thanks for considering.

As it is not API breaking let's do it 👌🏾

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alessio commented Sep 21, 2024

Should I reopen this PR?

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@Mergifyio backport release/v0.52.x

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@Mergifyio backport release/v0.50.x

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mergify bot commented Sep 21, 2024

backport release/v0.52.x

✅ Backports have been created

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mergify bot commented Sep 21, 2024

backport release/v0.50.x

✅ Backports have been created

mergify bot pushed a commit that referenced this pull request Sep 21, 2024
Signed-off-by: Alessio Treglia <[email protected]>
Co-authored-by: Alessio Treglia <[email protected]>
Co-authored-by: Matt Kocubinski <[email protected]>
Co-authored-by: Julien Robert <[email protected]>
Co-authored-by: Marko <[email protected]>
(cherry picked from commit c0eced8)

# Conflicts:
#	CHANGELOG.md
mergify bot pushed a commit that referenced this pull request Sep 21, 2024
Signed-off-by: Alessio Treglia <[email protected]>
Co-authored-by: Alessio Treglia <[email protected]>
Co-authored-by: Matt Kocubinski <[email protected]>
Co-authored-by: Julien Robert <[email protected]>
Co-authored-by: Marko <[email protected]>
(cherry picked from commit c0eced8)

# Conflicts:
#	CHANGELOG.md
tac0turtle added a commit that referenced this pull request Sep 21, 2024
julienrbrt added a commit that referenced this pull request Sep 21, 2024
…21840)

Co-authored-by: Alessio Treglia <[email protected]>
Co-authored-by: marbar3778 <[email protected]>
Co-authored-by: Julien Robert <[email protected]>
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6 participants