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Make NAR header check more robust

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Changes

  std::bad_alloc

into

  bad archive: input doesn't look like a Nix archive
This commit is contained in:
Eelco Dolstra 2018-09-26 12:03:58 +02:00
parent 7ccdcc7fed
commit 44e86304b6
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3 changed files with 5 additions and 4 deletions
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2
src/libutil/archive.cc
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@ -283,7 +283,7 @@ void parseDump(ParseSink & sink, Source & source)
{
string version;
try {
version = readString(source);
version = readString(source, narVersionMagic1.size());
} catch (SerialisationError & e) {
/* This generally means the integer at the start couldn't be
decoded. Ignore and throw the exception below. */