fix: hello command #233
fix: hello command #233
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WalkthroughThe change modifies the Changes
Sequence Diagram(s)sequenceDiagram
participant C as Client
participant H as HelloCmd
C->>H: Send AUTH command with multiple arguments
H->>H: Compute available arguments (argc - next_arg - 1)
H->>H: Check if at least two extra arguments exist
H->>H: Retrieve username and password from new indices
H->>H: Validate password and then set authed state
H-->>C: Authentication confirmed (if password matches)
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Actionable comments posted: 0
🧹 Nitpick comments (1)
src/cmd_admin.cc (1)
235-239: Consider updating the comments to reflect current implementation.The comment says "now only support hello auth password" but the code has been updated to expect a username parameter as well (even though it's not used yet). Consider updating the comment to clarify the current behavior.
// TODO(marsevilspirit): support auth acl // like: hello 2 auth username password -// now only support hello auth password -// do not support username (need acl) +// now expect hello auth username password format +// but username is not used yet (need acl)
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src/cmd_admin.cc(2 hunks)
🔇 Additional comments (4)
src/cmd_admin.cc (4)
233-233: Adjusted argument counting to handle user parameter.This line now subtracts an additional argument from the total count, which is correct for handling the new expected parameter format.
247-249: Correctly updated AUTH parameter handling for username support.The condition now correctly requires at least 2 additional arguments (for username and password) instead of just 1. The commented-out line provides good context that the username parameter is expected but not yet used since ACL is not supported.
254-256: Improved authentication flow and argument handling.The authentication state is now set only after verifying the password, which is more secure. The
next_argis incremented by 3 to correctly account for the AUTH command, username, and password parameters.
227-272:❓ Verification inconclusive
Verify client compatibility with updated command format.
This change fixes the parameter parsing by properly handling the username parameter in the AUTH section, but it might affect existing clients that don't include a username parameter. Make sure this aligns with the intended fix for issue #202.
🏁 Script executed:
#!/bin/bash # Look for existing uses of the HELLO command to verify compatibility rg -A 2 -B 2 "hello.*auth" --glob="!src/cmd_admin.cc"Length of output: 308
Ensure Client Compatibility with Updated AUTH Parameter Format
The updated parsing now requires an extra parameter for the AUTH command (a placeholder for username, even though ACL isn’t supported) as per issue #202. However, existing client implementations (e.g., in
src/client.cc) may still be issuing the AUTH command without this extra parameter. Please verify that the client-side logic or tests are updated accordingly, and ensure that using a dummy username does not break existing clients.
- Confirm that clients now provide an additional parameter when invoking the AUTH command.
- Review and update any client tests expecting the legacy format.
- Validate that the integration between
src/cmd_admin.ccand client usage in files likesrc/client.ccis consistent with the intended fix.
修复
hello命令 参数解析错误因为现在不支持 ACL, 所以 AUTH 部分 跳过了 username
fix #202
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