Desc.URI = Target->URI + ".diff/Index";
DestFile = _config->FindDir("Dir::State::lists") + "partial/";
- DestFile += URItoFileName(Target->URI) + string(".DiffIndex");
+ DestFile += URItoFileName(Desc.URI);
if(Debug)
std::clog << "pkgAcqDiffIndex: " << Desc.URI << std::endl;
string pkgAcqDiffIndex::Custom600Headers() const
{
string Final = _config->FindDir("Dir::State::lists");
- Final += URItoFileName(RealURI) + string(".IndexDiff");
+ Final += URItoFileName(Desc.URI);
if(Debug)
std::clog << "Custom600Header-IMS: " << Final << std::endl;
}
CompressionExtension = comprExt;
- Verify = true;
-
Init(URI, URIDesc, ShortDesc);
}
pkgAcqIndex::pkgAcqIndex(pkgAcquire *Owner, IndexTarget const *Target,
if (CompressionExtension.empty() == false)
CompressionExtension.erase(CompressionExtension.end()-1);
- // only verify non-optional targets, see acquire-item.h for a FIXME
- // to make this more flexible
- if (Target->IsOptional())
- Verify = false;
- else
- Verify = true;
-
Init(Target->URI, Target->Description, Target->ShortDesc);
}
/*}}}*/
indexRecords::checkSum *Record = MetaIndexParser->Lookup(MetaKey);
if(Record)
FileSize = Record->Size;
+
+ InitByHashIfNeeded(MetaKey);
}
Desc.Description = URIDesc;
QueueURI(Desc);
}
/*}}}*/
+// AcqIndex::AdjustForByHash - modify URI for by-hash support /*{{{*/
+// ---------------------------------------------------------------------
+/* */
+void pkgAcqIndex::InitByHashIfNeeded(const std::string MetaKey)
+{
+ // TODO:
+ // - (maybe?) add support for by-hash into the sources.list as flag
+ // - make apt-ftparchive generate the hashes (and expire?)
+ std::string HostKnob = "APT::Acquire::" + ::URI(Desc.URI).Host + "::By-Hash";
+ if(_config->FindB("APT::Acquire::By-Hash", false) == true ||
+ _config->FindB(HostKnob, false) == true ||
+ MetaIndexParser->GetSupportsAcquireByHash())
+ {
+ indexRecords::checkSum *Record = MetaIndexParser->Lookup(MetaKey);
+ if(Record)
+ {
+ // FIXME: should we really use the best hash here? or a fixed one?
+ const HashString *TargetHash = Record->Hashes.find("");
+ std::string ByHash = "/by-hash/" + TargetHash->HashType() + "/" + TargetHash->HashValue();
+ size_t trailing_slash = Desc.URI.find_last_of("/");
+ Desc.URI = Desc.URI.replace(
+ trailing_slash,
+ Desc.URI.substr(trailing_slash+1).size()+1,
+ ByHash);
+ } else {
+ _error->Warning(
+ "Fetching ByHash requested but can not find record for %s",
+ MetaKey.c_str());
+ }
+ }
+}
+ /*}}}*/
// AcqIndex::Custom600Headers - Insert custom request headers /*{{{*/
// ---------------------------------------------------------------------
/* The only header we use is the last-modified header. */
Item::Failed(Message,Cnf);
}
/*}}}*/
+// pkgAcqIndex::GetFinalFilename - Return the full final file path /*{{{*/
+std::string pkgAcqIndex::GetFinalFilename(std::string const &URI,
+ std::string const &compExt)
+{
+ std::string FinalFile = _config->FindDir("Dir::State::lists");
+ FinalFile += URItoFileName(URI);
+ if (_config->FindB("Acquire::GzipIndexes",false) && compExt == "gz")
+ FinalFile += ".gz";
+ return FinalFile;
+}
+ /*}}}*/
+// AcqIndex::ReverifyAfterIMS - Reverify index after an ims-hit /*{{{*/
+void pkgAcqIndex::ReverifyAfterIMS(std::string const &FileName)
+{
+ std::string const compExt = CompressionExtension.substr(0, CompressionExtension.find(' '));
+ if (_config->FindB("Acquire::GzipIndexes",false) && compExt == "gz")
+ DestFile += ".gz";
+
+ string FinalFile = GetFinalFilename(RealURI, compExt);
+ Rename(FinalFile, FileName);
+ Decompression = true;
+ Desc.URI = "copy:" + FileName;
+ QueueURI(Desc);
+}
+ /*}}}*/
// AcqIndex::Done - Finished a fetch /*{{{*/
// ---------------------------------------------------------------------
/* This goes through a number of states.. On the initial fetch the
void pkgAcqIndex::Done(string Message,unsigned long long Size,HashStringList const &Hashes,
pkgAcquire::MethodConfig *Cfg)
{
- Item::Done(Message,Size,Hashes,Cfg);
+ Item::Done(Message,Size,Hash,Cfg);
+ std::string const compExt = CompressionExtension.substr(0, CompressionExtension.find(' '));
if (Decompression == true)
{
if (ExpectedHashes.usable() && ExpectedHashes != Hashes)
{
+ Desc.URI = RealURI;
RenameOnError(HashSumMismatch);
printHashSumComparision(RealURI, ExpectedHashes, Hashes);
return;
}
- /* Verify the index file for correctness (all indexes must
- * have a Package field) (LP: #346386) (Closes: #627642) */
- if (Verify == true)
+ // 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::ReadOnlyGzip);
+ // Only test for correctness if the file is not empty (empty is ok)
+ if (fd.Size() > 0)
{
- FileFd fd(DestFile, FileFd::ReadOnly);
- // Only test for correctness if the file is not empty (empty is ok)
- if (fd.FileSize() > 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)
- {
- RenameOnError(InvalidFormat);
- return;
- }
+ 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);
+ return;
}
}
// Done, move it into position
- string FinalFile = _config->FindDir("Dir::State::lists");
- FinalFile += URItoFileName(RealURI);
+ string FinalFile = GetFinalFilename(RealURI, compExt);
Rename(DestFile,FinalFile);
chmod(FinalFile.c_str(),0644);
will work OK */
DestFile = _config->FindDir("Dir::State::lists") + "partial/";
DestFile += URItoFileName(RealURI);
-
+ if (_config->FindB("Acquire::GzipIndexes",false) && compExt == "gz")
+ DestFile += ".gz";
+
// Remove the compressed version.
if (Erase == true)
unlink(DestFile.c_str());
string FileName = LookupTag(Message,"Alt-Filename");
if (FileName.empty() == false)
{
- // The files timestamp matches
- if (StringToBool(LookupTag(Message,"Alt-IMS-Hit"),false) == true)
- return;
Decompression = true;
Local = true;
DestFile += ".decomp";
ErrorText = "Method gave a blank filename";
}
- std::string const compExt = CompressionExtension.substr(0, CompressionExtension.find(' '));
-
- // The files timestamp matches
- if (StringToBool(LookupTag(Message,"IMS-Hit"),false) == true) {
- if (_config->FindB("Acquire::GzipIndexes",false) && compExt == "gz")
- // Update DestFile for .gz suffix so that the clean operation keeps it
- DestFile += ".gz";
- return;
- }
-
if (FileName == DestFile)
Erase = true;
else
Local = true;
-
+
+ // do not reverify cdrom sources as apt-cdrom may rewrite the Packages
+ // file when its doing the indexcopy
+ if (RealURI.substr(0,6) == "cdrom:" &&
+ StringToBool(LookupTag(Message,"IMS-Hit"),false) == true)
+ return;
+
+ // The files timestamp matches, for non-local URLs reverify the local
+ // file, for local file, uncompress again to ensure the hashsum is still
+ // matching the Release file
+ if (!Local && StringToBool(LookupTag(Message,"IMS-Hit"),false) == true)
+ {
+ ReverifyAfterIMS(FileName);
+ return;
+ }
string decompProg;
- // If we enable compressed indexes and already have gzip, keep it
- if (_config->FindB("Acquire::GzipIndexes",false) && compExt == "gz" && !Local) {
- string FinalFile = _config->FindDir("Dir::State::lists");
- FinalFile += URItoFileName(RealURI) + ".gz";
- Rename(DestFile,FinalFile);
- chmod(FinalFile.c_str(),0644);
-
- // Update DestFile for .gz suffix so that the clean operation keeps it
- DestFile = _config->FindDir("Dir::State::lists") + "partial/";
+ // If we enable compressed indexes, queue for hash verification
+ if (_config->FindB("Acquire::GzipIndexes",false) && compExt == "gz" && !Local)
+ {
+ DestFile = _config->FindDir("Dir::State::lists");
DestFile += URItoFileName(RealURI) + ".gz";
+
+ Decompression = true;
+ Desc.URI = "copy:" + FileName;
+ QueueURI(Desc);
+
return;
}
string Final = _config->FindDir("Dir::State::lists");
Final += URItoFileName(RealURI);
+ if (_config->FindB("Acquire::GzipIndexes",false))
+ Final += ".gz";
+
struct stat Buf;
if (stat(Final.c_str(),&Buf) != 0)
return "\nFail-Ignore: true\nIndex-File: true";
std::cerr << "Signature verification succeeded: "
<< DestFile << std::endl;
+ // do not trust any previously unverified content that we may have
+ string LastGoodSigFile = _config->FindDir("Dir::State::lists").append("partial/").append(URItoFileName(RealURI));
+ if (DestFile != SigFile)
+ LastGoodSigFile.append(".gpg");
+ LastGoodSigFile.append(".reverify");
+ if(IMSHit == false && RealFileExists(LastGoodSigFile) == false)
+ {
+ for (vector <struct IndexTarget*>::const_iterator Target = IndexTargets->begin();
+ Target != IndexTargets->end();
+ ++Target)
+ {
+ // remove old indexes
+ std::string index = _config->FindDir("Dir::State::lists") +
+ URItoFileName((*Target)->URI);
+ unlink(index.c_str());
+ // and also old gzipindexes
+ index += ".gz";
+ unlink(index.c_str());
+ }
+ }
+
+
// Download further indexes with verification
QueueIndexes(true);
projects / apt.git / blobdiff