diff options
| author | Julian Andres Klode <julian.klode@canonical.com> | 2020-02-03 12:15:07 +0100 |
|---|---|---|
| committer | Julian Andres Klode <julian.klode@canonical.com> | 2020-02-03 12:55:54 +0100 |
| commit | 404771d0ec11f26a0b631018719e2918a049455b (patch) | |
| tree | d7f2bed62c67b05e01095865056634db0f9b6be7 /apt-pkg/cachefilter-patterns.cc | |
| parent | 11a40ab11f72f85e905bdba4d3274870fbcaeaee (diff) | |
patterns: test for empty terms, reject them
Diffstat (limited to 'apt-pkg/cachefilter-patterns.cc')
| -rw-r--r-- | apt-pkg/cachefilter-patterns.cc | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/apt-pkg/cachefilter-patterns.cc b/apt-pkg/cachefilter-patterns.cc index 1c92a7b1f..5a58a9767 100644 --- a/apt-pkg/cachefilter-patterns.cc +++ b/apt-pkg/cachefilter-patterns.cc @@ -263,6 +263,9 @@ std::unique_ptr<PatternTreeParser::Node> PatternTreeParser::parsePattern() node->term = sentence.substr(node->start, state.offset - node->start); + if (node->term.size() <= 1) + throw Error{*node, "Pattern must have a term/name"}; + node->end = skipSpace(); // We don't have any arguments, return node; if (sentence[state.offset] != '(') |