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Merge pull request #2452 from ElvishJerricco/verify-sigs-overflow

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Fix overflow when verifying signatures of content addressable paths
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Eelco Dolstra 2018-10-08 12:03:03 +02:00 committed by GitHub
commit 01bd66bf83
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2 changed files with 5 additions and 1 deletions
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2
src/nix/verify.cc
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@ -120,7 +120,7 @@ struct CmdVerify : StorePathsCommand
for (auto sig : sigs) {
if (sigsSeen.count(sig)) continue;
sigsSeen.insert(sig);
if (info->checkSignature(publicKeys, sig))
if (validSigs < ValidPathInfo::maxSigs && info->checkSignature(publicKeys, sig))
validSigs++;
}
};

4
tests/signing.sh
View file

@ -62,6 +62,10 @@ outPathCA=$(IMPURE_VAR1=foo IMPURE_VAR2=bar nix-build ./fixed.nix -A good.0 --no
nix verify $outPathCA
nix verify $outPathCA --sigs-needed 1000
# Check that signing a content-addressed path doesn't overflow validSigs
nix sign-paths --key-file $TEST_ROOT/sk1 $outPathCA
nix verify -r $outPathCA --sigs-needed 1000 --trusted-public-keys $pk1
# Copy to a binary cache.
nix copy --to file://$cacheDir $outPath2