diff options
Diffstat (limited to 'apt-pkg/acquire-item.cc')
-rw-r--r-- | apt-pkg/acquire-item.cc | 55 |
1 files changed, 34 insertions, 21 deletions
diff --git a/apt-pkg/acquire-item.cc b/apt-pkg/acquire-item.cc index dbc1dfbe7..675a7ed41 100644 --- a/apt-pkg/acquire-item.cc +++ b/apt-pkg/acquire-item.cc @@ -1141,6 +1141,35 @@ void pkgAcqIndex::ReverifyAfterIMS() QueueURI(Desc); } /*}}}*/ + +// pkgAcqIndex::ValidateFile - Validate the downloaded file /*{{{*/ +// --------------------------------------------------------------------- +bool pkgAcqIndex::ValidateFile(const std::string &FileName) +{ + // FIXME: this can go away once we only ever download stuff that + // has a valid hash and we never do GET based probing + // FIXME2: this also leaks debian-isms into the code and should go therefore + + /* Always validate the index file for correctness (all indexes must + * have a Package field) (LP: #346386) (Closes: #627642) + */ + FileFd fd(DestFile, FileFd::ReadOnly, FileFd::Extension); + // Only test for correctness if the content of the file is not empty + // (empty is ok) + if (fd.Size() > 0) + { + pkgTagSection sec; + pkgTagFile tag(&fd); + + // all our current indexes have a field 'Package' in each section + if (_error->PendingError() == true || + tag.Step(sec) == false || + sec.Exists("Package") == false) + return false; + } + return true; +} + /*}}}*/ // AcqIndex::Done - Finished a fetch /*{{{*/ // --------------------------------------------------------------------- /* This goes through a number of states.. On the initial fetch the @@ -1166,29 +1195,13 @@ void pkgAcqIndex::Done(string Message, unsigned long long Size, return; } - // FIXME: this can go away once we only ever download stuff that - // has a valid hash and we never do GET based probing - // - /* Always verify the index file for correctness (all indexes must - * have a Package field) (LP: #346386) (Closes: #627642) - */ - FileFd fd(DestFile, FileFd::ReadOnly, FileFd::Extension); - // Only test for correctness if the content of the file is not empty - // (empty is ok) - if (fd.Size() > 0) + if(!ValidateFile(DestFile)) { - pkgTagSection sec; - pkgTagFile tag(&fd); - - // all our current indexes have a field 'Package' in each section - if (_error->PendingError() == true || tag.Step(sec) == false || sec.Exists("Package") == false) - { - RenameOnError(InvalidFormat); - Failed(Message, Cfg); - return; - } + RenameOnError(InvalidFormat); + Failed(Message, Cfg); + return; } - + // FIXME: can we void the "Erase" bool here as its very non-local? std::string CompressedFile = _config->FindDir("Dir::State::lists") + "partial/"; CompressedFile += URItoFileName(RealURI); |