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proposal: x/exp/jsonrpc2: allow JSON-RPC2 response errors to be exploitable #56133

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maxatome opened this issue Oct 10, 2022 · 1 comment
Open

proposal: x/exp/jsonrpc2: allow JSON-RPC2 response errors to be exploitable #56133

maxatome opened this issue Oct 10, 2022 · 1 comment
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@maxatome
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jsonrpc2.wireError type is not exported, but contains useful information.

As jsonrpc2.AsyncCall.Await() returns an error, when a JSON-RPC2 error is returned by the server side, it is not possible for the caller to guess it is really a server error and also to access data it contains.

The proposal is simply to rename jsonrpc2.wireError to jsonrpc2.Error as done in https://go-review.googlesource.com/c/exp/+/415615

This way the caller can do a type assertion to check it is a server error, and then access the already exported fields.

The backward compatibility is not broken as the previous jsonrpc2.wireError type was not exported.
@gopherbot gopherbot added this to the Proposal milestone Oct 10, 2022
@maxatome maxatome mentioned this issue Oct 10, 2022
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@ianlancetaylor ianlancetaylor moved this to Incoming in Proposals Oct 12, 2022
@maxatome
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maxatome commented Dec 8, 2022 •
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Does someone have any news about this proposal, please?

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