filter out control characters in error messages
giveup changed to filter out control characters. (It is too low level to make it use StringContainingQuotedPath.) error still does not, but it should only be used for internal errors, where the message is not attacker-controlled. Changed a lot of existing error to giveup when it is not strictly an internal error. Of course, other exceptions can still be thrown, either by code in git-annex, or a library, that include some attacker-controlled value. This does not guard against those. Sponsored-by: Noam Kremen on Patreon
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@ -31,6 +31,7 @@ import Text.Printf
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import Utility.PartialPrelude
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import Utility.FileSystemEncoding
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import Utility.Exception
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{- This is a variable length binary string, but its size is limited to
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- maxPktLineLength. Its serialization includes a 4 byte hexadecimal
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@ -96,7 +97,7 @@ encodePktLine b
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stringPktLine :: String -> PktLine
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stringPktLine s
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| length s > maxPktLineLength =
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error "textPktLine called with too-long value"
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giveup "textPktLine called with too-long value"
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| otherwise = PktLine (encodeBS s <> "\n")
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{- Sends a PktLine to a Handle, and flushes it so that it will be
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