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Fix Zac's crash (#284) 

* Guard + copy

* obo
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Max Goedjen 2021-12-23 22:56:47 -08:00 committed by GitHub
parent cda56ea14b
commit 9aacd73673
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1 changed files with 2 additions and 2 deletions
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4
SecretAgentKit/Agent.swift
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@ -23,8 +23,8 @@ extension Agent {
public func handle(reader: FileHandleReader, writer: FileHandleWriter) { public func handle(reader: FileHandleReader, writer: FileHandleWriter) {
Logger().debug("Agent handling new data") Logger().debug("Agent handling new data")
let data = reader.availableData let data = Data(reader.availableData)
guard !data.isEmpty else { return } guard data.count > 4 else { return }
let requestTypeInt = data[4] let requestTypeInt = data[4]
guard let requestType = SSHAgent.RequestType(rawValue: requestTypeInt) else { guard let requestType = SSHAgent.RequestType(rawValue: requestTypeInt) else {
writer.write(OpenSSHKeyWriter().lengthAndData(of: SSHAgent.ResponseType.agentFailure.data)) writer.write(OpenSSHKeyWriter().lengthAndData(of: SSHAgent.ResponseType.agentFailure.data))