diff options
Diffstat (limited to 'apt-pkg/cacheset.cc')
| -rw-r--r-- | apt-pkg/cacheset.cc | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/apt-pkg/cacheset.cc b/apt-pkg/cacheset.cc index 288180f16..3967ba980 100644 --- a/apt-pkg/cacheset.cc +++ b/apt-pkg/cacheset.cc @@ -189,8 +189,11 @@ bool CacheSetHelper::PackageFromFnmatch(PackageContainerInterface * const pci, pkgCacheFile &Cache, std::string pattern) { static const char * const isfnmatch = ".?*[]!"; - if (_config->FindB("APT::Cmd::Pattern-Only", false)) - return false; + // Whitelist approach: Anything not in here is not a valid pattern + static const char *const isfnmatch_strict = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789+-.:*"; + + if (_config->FindB("APT::Cmd::Pattern-Only", false) && pattern.find_first_not_of(isfnmatch_strict) != std::string::npos) + return false; if (pattern.find_first_of(isfnmatch) == std::string::npos) return false; |