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filter out control characters in warning messages

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Converted warning and similar to use StringContainingQuotedPath. Most
warnings are static strings, some do refer to filepaths that need to be
quoted, and others don't need quoting.

Note that, since quote filters out control characters of even
UnquotedString, this makes all warnings safe, even when an attacker
sneaks in a control character in some other way.

When json is being output, no quoting is done, since json gets its own
quoting.

This does, as a side effect, make warning messages in json output not
be indented. The indentation is only needed to offset warning messages
underneath the display of the file they apply to, so that's ok.

Sponsored-by: Brett Eisenberg on Patreon
This commit is contained in:
Joey Hess 2023-04-10 14:47:32 -04:00
parent 007e302637
commit 3290a09a70
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GPG key ID: DB12DB0FF05F8F38
75 changed files with 259 additions and 229 deletions
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4
Remote/External.hs
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@ -583,7 +583,7 @@ receiveMessage st external handleresponse handlerequest handleexceptional =
Just msg -> maybe (protocolError True s) id (handleexceptional msg)
Nothing -> protocolError False s
protocolError parsed s = do
warning $ "external special remote protocol error, unexpectedly received \"" ++ s ++ "\" " ++
warning $ UnquotedString $ "external special remote protocol error, unexpectedly received \"" ++ s ++ "\" " ++
if parsed
then "(command not allowed at this time)"
else "(unable to parse command)"
@ -713,7 +713,7 @@ startExternal' external = do
] ++ exrest
unusable msg = do
warning msg
warning (UnquotedString msg)
giveup ("unable to use external special remote " ++ basecmd)
stopExternal :: External -> Annex ()