#include <apt-pkg/error.h>
#include <apt-pkg/strutl.h>
#include <apt-pkg/fileutl.h>
-#include <apt-pkg/sha1.h>
#include <apt-pkg/tagfile.h>
-#include <apt-pkg/indexrecords.h>
+#include <apt-pkg/metaindex.h>
#include <apt-pkg/acquire.h>
#include <apt-pkg/hashes.h>
#include <apt-pkg/indexfile.h>
#include <apt-pkg/pkgcache.h>
#include <apt-pkg/cacheiterators.h>
#include <apt-pkg/pkgrecords.h>
+#include <apt-pkg/gpgv.h>
+#include <algorithm>
#include <stddef.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <errno.h>
#include <string>
-#include <sstream>
#include <stdio.h>
#include <ctime>
+#include <sstream>
#include <apti18n.h>
/*}}}*/
return _config->FindDir("Dir::State::lists") + URItoFileName(uri);
}
/*}}}*/
-static std::string GetCompressedFileName(std::string const &URI, std::string const &Name, std::string const &Ext) /*{{{*/
+static std::string GetKeepCompressedFileName(std::string file, IndexTarget const &Target)/*{{{*/
+{
+ if (Target.KeepCompressed == false)
+ return file;
+
+ std::string const CompressionTypes = Target.Option(IndexTarget::COMPRESSIONTYPES);
+ if (CompressionTypes.empty() == false)
+ {
+ std::string const ext = CompressionTypes.substr(0, CompressionTypes.find(' '));
+ if (ext != "uncompressed")
+ file.append(".").append(ext);
+ }
+ return file;
+}
+ /*}}}*/
+static std::string GetCompressedFileName(IndexTarget const &Target, std::string const &Name, std::string const &Ext) /*{{{*/
{
if (Ext.empty() || Ext == "uncompressed")
return Name;
// do not reverify cdrom sources as apt-cdrom may rewrite the Packages
// file when its doing the indexcopy
- if (URI.substr(0,6) == "cdrom:")
+ if (Target.URI.substr(0,6) == "cdrom:")
return Name;
// adjust DestFile if its compressed on disk
- if (_config->FindB("Acquire::GzipIndexes",false) == true)
+ if (Target.KeepCompressed == true)
return Name + '.' + Ext;
return Name;
}
/*}}}*/
-static bool AllowInsecureRepositories(indexRecords const * const MetaIndexParser, pkgAcqMetaBase * const TransactionManager, pkgAcquire::Item * const I) /*{{{*/
+static std::string GetMergeDiffsPatchFileName(std::string const &Final, std::string const &Patch)/*{{{*/
{
- if(MetaIndexParser->IsAlwaysTrusted() || _config->FindB("Acquire::AllowInsecureRepositories") == true)
+ // rred expects the patch as $FinalFile.ed.$patchname.gz
+ return Final + ".ed." + Patch + ".gz";
+}
+ /*}}}*/
+static std::string GetDiffsPatchFileName(std::string const &Final) /*{{{*/
+{
+ // rred expects the patch as $FinalFile.ed
+ return Final + ".ed";
+}
+ /*}}}*/
+static bool BootstrapPDiffWith(std::string const &PartialFile, std::string const &FinalFile, IndexTarget const &Target)/*{{{*/
+{
+ // patching needs to be bootstrapped with the 'old' version
+ std::vector<std::string> types = VectorizeString(Target.Option(IndexTarget::COMPRESSIONTYPES), ' ');
+ auto typeItr = types.cbegin();
+ for (; typeItr != types.cend(); ++typeItr)
+ {
+ std::string Final = FinalFile;
+ if (*typeItr != "uncompressed")
+ Final.append(".").append(*typeItr);
+ if (RealFileExists(Final) == false)
+ continue;
+ std::string Partial = PartialFile;
+ if (*typeItr != "uncompressed")
+ Partial.append(".").append(*typeItr);
+ if (FileExists(Partial.c_str()) == true)
+ return true;
+ if (symlink(Final.c_str(), Partial.c_str()) != 0)
+ return false;
+ break;
+ }
+ return typeItr != types.cend();
+}
+ /*}}}*/
+
+static bool MessageInsecureRepository(bool const isError, std::string const &msg)/*{{{*/
+{
+ if (isError)
+ {
+ _error->Error("%s", msg.c_str());
+ _error->Notice("%s", _("Updating from such a repository can't be done securely, and is therefore disabled by default."));
+ }
+ else
+ {
+ _error->Warning("%s", msg.c_str());
+ _error->Notice("%s", _("Data from such a repository can't be authenticated and is therefore potentially dangerous to use."));
+ }
+ _error->Notice("%s", _("See apt-secure(8) manpage for repository creation and user configuration details."));
+ return false;
+}
+static bool MessageInsecureRepository(bool const isError, char const * const msg, std::string const &repo)
+{
+ std::string m;
+ strprintf(m, msg, repo.c_str());
+ return MessageInsecureRepository(isError, m);
+}
+ /*}}}*/
+static bool AllowInsecureRepositories(char const * const msg, std::string const &repo,/*{{{*/
+ metaIndex const * const MetaIndexParser, pkgAcqMetaClearSig * const TransactionManager, pkgAcquire::Item * const I)
+{
+ if(MetaIndexParser->GetTrusted() == metaIndex::TRI_YES)
return true;
- _error->Error(_("Use --allow-insecure-repositories to force the update"));
+ if (_config->FindB("Acquire::AllowInsecureRepositories") == true)
+ {
+ MessageInsecureRepository(false, msg, repo);
+ return true;
+ }
+
+ MessageInsecureRepository(true, msg, repo);
TransactionManager->AbortTransaction();
I->Status = pkgAcquire::Item::StatError;
return false;
}
/*}}}*/
+static HashStringList GetExpectedHashesFromFor(metaIndex * const Parser, std::string const &MetaKey)/*{{{*/
+{
+ if (Parser == NULL)
+ return HashStringList();
+ metaIndex::checkSum * const R = Parser->Lookup(MetaKey);
+ if (R == NULL)
+ return HashStringList();
+ return R->Hashes;
+}
+ /*}}}*/
// all ::HashesRequired and ::GetExpectedHashes implementations /*{{{*/
/* ::GetExpectedHashes is abstract and has to be implemented by all subclasses.
we can at least trust them for integrity of the download itself.
Only repositories without a Release file can (obviously) not have
hashes – and they are very uncommon and strongly discouraged */
- return TransactionManager->MetaIndexParser != NULL;
+ return TransactionManager->MetaIndexParser != NULL &&
+ TransactionManager->MetaIndexParser->GetLoadedSuccessfully() == metaIndex::TRI_YES;
}
HashStringList pkgAcqTransactionItem::GetExpectedHashes() const
{
APT_CONST bool pkgAcqIndexDiffs::HashesRequired() const
{
- /* FIXME: We have only hashes for uncompressed pdiffs.
- rred uncompresses them on the fly while parsing.
- In StateFetchDiff state we also uncompress on the fly for hash check.
- Hashes are checked while searching for (next) patch to apply. */
+ /* We don't always have the diff of the downloaded pdiff file.
+ What we have for sure is hashes for the uncompressed file,
+ but rred uncompresses them on the fly while parsing, so not handled here.
+ Hashes are (also) checked while searching for (next) patch to apply. */
+ if (State == StateFetchDiff)
+ return available_patches[0].download_hashes.empty() == false;
return false;
}
HashStringList pkgAcqIndexDiffs::GetExpectedHashes() const
{
+ if (State == StateFetchDiff)
+ return available_patches[0].download_hashes;
return HashStringList();
}
/* @see #pkgAcqIndexDiffs::HashesRequired, with the difference that
we can check the rred result after all patches are applied as
we know the expected result rather than potentially apply more patches */
+ if (State == StateFetchDiff)
+ return patch.download_hashes.empty() == false;
return State == StateApplyDiff;
}
HashStringList pkgAcqIndexMergeDiffs::GetExpectedHashes() const
{
- if (State == StateApplyDiff)
- return GetExpectedHashesFor(Target->MetaKey);
+ if (State == StateFetchDiff)
+ return patch.download_hashes;
+ else if (State == StateApplyDiff)
+ return GetExpectedHashesFor(Target.MetaKey);
return HashStringList();
}
}
std::string pkgAcqIndex::GetFinalFilename() const
{
- std::string const FinalFile = GetFinalFileNameFromURI(Target->URI);
- return GetCompressedFileName(Target->URI, FinalFile, CurrentCompressionExtension);
+ std::string const FinalFile = GetFinalFileNameFromURI(Target.URI);
+ return GetCompressedFileName(Target, FinalFile, CurrentCompressionExtension);
}
std::string pkgAcqMetaSig::GetFinalFilename() const
{
- return GetFinalFileNameFromURI(Target->URI);
+ return GetFinalFileNameFromURI(Target.URI);
}
std::string pkgAcqBaseIndex::GetFinalFilename() const
{
- return GetFinalFileNameFromURI(Target->URI);
+ return GetFinalFileNameFromURI(Target.URI);
}
std::string pkgAcqMetaBase::GetFinalFilename() const
{
- return GetFinalFileNameFromURI(DataTarget.URI);
+ return GetFinalFileNameFromURI(Target.URI);
}
std::string pkgAcqArchive::GetFinalFilename() const
{
// pkgAcqTransactionItem::GetMetaKey and specialisations for child classes /*{{{*/
std::string pkgAcqTransactionItem::GetMetaKey() const
{
- return Target->MetaKey;
+ return Target.MetaKey;
}
std::string pkgAcqIndex::GetMetaKey() const
{
if (Stage == STAGE_DECOMPRESS_AND_VERIFY || CurrentCompressionExtension == "uncompressed")
- return Target->MetaKey;
- return Target->MetaKey + "." + CurrentCompressionExtension;
+ return Target.MetaKey;
+ return Target.MetaKey + "." + CurrentCompressionExtension;
}
std::string pkgAcqDiffIndex::GetMetaKey() const
{
- return Target->MetaKey + ".diff/Index";
+ return Target.MetaKey + ".diff/Index";
}
/*}}}*/
//pkgAcqTransactionItem::TransactionState and specialisations for child classes /*{{{*/
} else {
if(Debug == true)
std::clog << "rm " << DestFile << " # " << DescURI() << std::endl;
- unlink(DestFile.c_str());
+ RemoveFile("TransactionCommit", DestFile);
}
break;
}
// keep the compressed file, but drop the decompressed
EraseFileName.clear();
if (PartialFile.empty() == false && flExtension(PartialFile) == "decomp")
- unlink(PartialFile.c_str());
+ RemoveFile("TransactionAbort", PartialFile);
}
break;
case TransactionCommit:
if (EraseFileName.empty() == false)
- unlink(EraseFileName.c_str());
+ RemoveFile("TransactionCommit", EraseFileName);
break;
}
return true;
case TransactionCommit:
break;
case TransactionAbort:
- std::string const Partial = GetPartialFileNameFromURI(Target->URI);
- unlink(Partial.c_str());
+ std::string const Partial = GetPartialFileNameFromURI(Target.URI);
+ RemoveFile("TransactionAbort", Partial);
break;
}
}
/*}}}*/
+class APT_HIDDEN NoActionItem : public pkgAcquire::Item /*{{{*/
+/* The sole purpose of this class is having an item which does nothing to
+ reach its done state to prevent cleanup deleting the mentioned file.
+ Handy in cases in which we know we have the file already, like IMS-Hits. */
+{
+ IndexTarget const Target;
+ public:
+ virtual std::string DescURI() const APT_OVERRIDE {return Target.URI;};
+ virtual HashStringList GetExpectedHashes() const APT_OVERRIDE {return HashStringList();};
+
+ NoActionItem(pkgAcquire * const Owner, IndexTarget const &Target) :
+ pkgAcquire::Item(Owner), Target(Target)
+ {
+ Status = StatDone;
+ DestFile = GetFinalFileNameFromURI(Target.URI);
+ }
+ NoActionItem(pkgAcquire * const Owner, IndexTarget const &Target, std::string const &FinalFile) :
+ pkgAcquire::Item(Owner), Target(Target)
+ {
+ Status = StatDone;
+ DestFile = FinalFile;
+ }
+};
+ /*}}}*/
+
// Acquire::Item::Item - Constructor /*{{{*/
APT_IGNORE_DEPRECATED_PUSH
-pkgAcquire::Item::Item(pkgAcquire * const Owner) :
- FileSize(0), PartialSize(0), Mode(0), Complete(false), Local(false),
- QueueCounter(0), ExpectedAdditionalItems(0), Owner(Owner)
+pkgAcquire::Item::Item(pkgAcquire * const owner) :
+ FileSize(0), PartialSize(0), Mode(0), ID(0), Complete(false), Local(false),
+ QueueCounter(0), ExpectedAdditionalItems(0), Owner(owner), d(NULL)
{
Owner->Add(this);
Status = StatIdle;
return Owner;
}
/*}}}*/
+APT_CONST pkgAcquire::ItemDesc &pkgAcquire::Item::GetItemDesc() /*{{{*/
+{
+ return Desc;
+}
+ /*}}}*/
APT_CONST bool pkgAcquire::Item::IsTrusted() const /*{{{*/
{
return false;
{
if(ErrorText.empty())
ErrorText = LookupTag(Message,"Message");
- UsedMirror = LookupTag(Message,"UsedMirror");
if (QueueCounter <= 1)
{
/* This indicates that the file is not available right now but might
FileSize = Size;
}
/*}}}*/
+// Acquire::Item::VerifyDone - check if Item was downloaded OK /*{{{*/
+/* Note that hash-verification is 'hardcoded' in acquire-worker and has
+ * already passed if this method is called. */
+bool pkgAcquire::Item::VerifyDone(std::string const &Message,
+ pkgAcquire::MethodConfig const * const /*Cnf*/)
+{
+ std::string const FileName = LookupTag(Message,"Filename");
+ if (FileName.empty() == true)
+ {
+ Status = StatError;
+ ErrorText = "Method gave a blank filename";
+ return false;
+ }
+
+ return true;
+}
+ /*}}}*/
// Acquire::Item::Done - Item downloaded OK /*{{{*/
-void pkgAcquire::Item::Done(string const &Message, HashStringList const &Hashes,
+void pkgAcquire::Item::Done(string const &/*Message*/, HashStringList const &Hashes,
pkgAcquire::MethodConfig const * const /*Cnf*/)
{
// We just downloaded something..
- string FileName = LookupTag(Message,"Filename");
- UsedMirror = LookupTag(Message,"UsedMirror");
- unsigned long long const downloadedSize = Hashes.FileSize();
- if (downloadedSize != 0)
+ if (FileSize == 0)
{
- if (Complete == false && !Local && FileName == DestFile)
+ unsigned long long const downloadedSize = Hashes.FileSize();
+ if (downloadedSize != 0)
{
- if (Owner->Log != 0)
- Owner->Log->Fetched(Hashes.FileSize(),atoi(LookupTag(Message,"Resume-Point","0").c_str()));
+ FileSize = downloadedSize;
}
-
- if (FileSize == 0)
- FileSize= downloadedSize;
}
Status = StatDone;
ErrorText = string();
Status = StatError;
break;
case NotClearsigned:
- errtext = _("Does not start with a cleartext signature");
- Status = StatError;
+ strprintf(errtext, _("Clearsigned file isn't valid, got '%s' (does the network require authentication?)"), "NOSPLIT");
+ Status = StatAuthError;
break;
case MaximumSizeExceeded:
// the method is expected to report a good error for this
/*}}}*/
pkgAcqTransactionItem::pkgAcqTransactionItem(pkgAcquire * const Owner, /*{{{*/
- pkgAcqMetaBase * const TransactionManager, IndexTarget const * const Target) :
- pkgAcquire::Item(Owner), Target(Target), TransactionManager(TransactionManager)
+ pkgAcqMetaClearSig * const transactionManager, IndexTarget const &target) :
+ pkgAcquire::Item(Owner), d(NULL), Target(target), TransactionManager(transactionManager)
{
if (TransactionManager != this)
TransactionManager->Add(this);
{
}
/*}}}*/
-HashStringList pkgAcqTransactionItem::GetExpectedHashesFor(std::string const MetaKey) const /*{{{*/
+HashStringList pkgAcqTransactionItem::GetExpectedHashesFor(std::string const &MetaKey) const /*{{{*/
{
- if (TransactionManager->MetaIndexParser == NULL)
- return HashStringList();
- indexRecords::checkSum * const R = TransactionManager->MetaIndexParser->Lookup(MetaKey);
- if (R == NULL)
- return HashStringList();
- return R->Hashes;
+ return GetExpectedHashesFromFor(TransactionManager->MetaIndexParser, MetaKey);
}
/*}}}*/
// AcqMetaBase - Constructor /*{{{*/
pkgAcqMetaBase::pkgAcqMetaBase(pkgAcquire * const Owner,
- pkgAcqMetaBase * const TransactionManager,
- std::vector<IndexTarget*> const * const IndexTargets,
- IndexTarget const &DataTarget,
- indexRecords * const MetaIndexParser)
-: pkgAcqTransactionItem(Owner, TransactionManager, NULL), DataTarget(DataTarget),
- MetaIndexParser(MetaIndexParser), LastMetaIndexParser(NULL), IndexTargets(IndexTargets),
+ pkgAcqMetaClearSig * const TransactionManager,
+ std::vector<IndexTarget> const &IndexTargets,
+ IndexTarget const &DataTarget)
+: pkgAcqTransactionItem(Owner, TransactionManager, DataTarget), d(NULL),
+ IndexTargets(IndexTargets),
AuthPass(false), IMSHit(false)
{
}
_error->Warning(_("An error occurred during the signature "
"verification. The repository is not updated "
"and the previous index files will be used. "
- "GPG error: %s: %s\n"),
+ "GPG error: %s: %s"),
Desc.Description.c_str(),
LookupTag(Message,"Message").c_str());
RunScripts("APT::Update::Auth-Failure");
_error->Error(_("GPG error: %s: %s"),
Desc.Description.c_str(),
LookupTag(Message,"Message").c_str());
- I->Status = StatError;
+ I->Status = StatAuthError;
return true;
} else {
_error->Warning(_("GPG error: %s: %s"),
Header += MaximumSize;
string const FinalFile = GetFinalFilename();
-
struct stat Buf;
if (stat(FinalFile.c_str(),&Buf) == 0)
Header += "\nLast-Modified: " + TimeRFC1123(Buf.st_mtime);
// We have just finished downloading a Release file (it is not
// verified yet)
- string const FileName = LookupTag(Message,"Filename");
- if (FileName.empty() == true)
- {
- I->Status = StatError;
- I->ErrorText = "Method gave a blank filename";
- return false;
- }
-
- if (FileName != I->DestFile)
+ std::string const FileName = LookupTag(Message,"Filename");
+ if (FileName != I->DestFile && RealFileExists(I->DestFile) == false)
{
I->Local = true;
I->Desc.URI = "copy:" + FileName;
if (RealFileExists(FinalFile) && Hashes.VerifyFile(FinalFile) == true)
{
IMSHit = true;
- unlink(I->DestFile.c_str());
+ RemoveFile("CheckDownloadDone", I->DestFile);
}
}
}
if (RealFileExists(FinalInRelease) || RealFileExists(FinalRelease))
{
- TransactionManager->LastMetaIndexParser = new indexRecords;
- _error->PushToStack();
- if (RealFileExists(FinalInRelease))
- TransactionManager->LastMetaIndexParser->Load(FinalInRelease);
- else
- TransactionManager->LastMetaIndexParser->Load(FinalRelease);
- // its unlikely to happen, but if what we have is bad ignore it
- if (_error->PendingError())
+ TransactionManager->LastMetaIndexParser = TransactionManager->MetaIndexParser->UnloadedClone();
+ if (TransactionManager->LastMetaIndexParser != NULL)
{
- delete TransactionManager->LastMetaIndexParser;
- TransactionManager->LastMetaIndexParser = NULL;
+ _error->PushToStack();
+ if (RealFileExists(FinalInRelease))
+ TransactionManager->LastMetaIndexParser->Load(FinalInRelease, NULL);
+ else
+ TransactionManager->LastMetaIndexParser->Load(FinalRelease, NULL);
+ // its unlikely to happen, but if what we have is bad ignore it
+ if (_error->PendingError())
+ {
+ delete TransactionManager->LastMetaIndexParser;
+ TransactionManager->LastMetaIndexParser = NULL;
+ }
+ _error->RevertToStack();
}
- _error->RevertToStack();
}
}
- if (TransactionManager->MetaIndexParser->Load(DestFile) == false)
+ if (TransactionManager->MetaIndexParser->Load(DestFile, &ErrorText) == false)
{
Status = StatAuthError;
- ErrorText = TransactionManager->MetaIndexParser->ErrorText;
return false;
}
// at this point the real Items are loaded in the fetcher
ExpectedAdditionalItems = 0;
- vector <IndexTarget*>::const_iterator Target;
- for (Target = IndexTargets->begin();
- Target != IndexTargets->end();
+ bool metaBaseSupportsByHash = false;
+ if (TransactionManager != NULL && TransactionManager->MetaIndexParser != NULL)
+ metaBaseSupportsByHash = TransactionManager->MetaIndexParser->GetSupportsAcquireByHash();
+
+ for (std::vector <IndexTarget>::iterator Target = IndexTargets.begin();
+ Target != IndexTargets.end();
++Target)
{
- if (verify == true && TransactionManager->MetaIndexParser->Exists((*Target)->MetaKey) == false)
+ // all is an implementation detail. Users shouldn't use this as arch
+ // We need this support trickery here as e.g. Debian has binary-all files already,
+ // but arch:all packages are still in the arch:any files, so we would waste precious
+ // download time, bandwidth and diskspace for nothing, BUT Debian doesn't feature all
+ // in the set of supported architectures, so we can filter based on this property rather
+ // than invent an entirely new flag we would need to carry for all of eternity.
+ if (Target->Option(IndexTarget::ARCHITECTURE) == "all" &&
+ TransactionManager->MetaIndexParser->IsArchitectureSupported("all") == false)
+ continue;
+
+ bool trypdiff = Target->OptionBool(IndexTarget::PDIFFS);
+ if (verify == true)
{
- // optional target that we do not have in the Release file are skipped
- if ((*Target)->IsOptional())
+ if (TransactionManager->MetaIndexParser->Exists(Target->MetaKey) == false)
+ {
+ // optional targets that we do not have in the Release file are skipped
+ if (Target->IsOptional)
+ continue;
+
+ std::string const &arch = Target->Option(IndexTarget::ARCHITECTURE);
+ if (arch.empty() == false)
+ {
+ if (TransactionManager->MetaIndexParser->IsArchitectureSupported(arch) == false)
+ {
+ _error->Notice(_("Skipping acquire of configured file '%s' as repository '%s' doesn't support architecture '%s'"),
+ Target->MetaKey.c_str(), TransactionManager->Target.Description.c_str(), arch.c_str());
+ continue;
+ }
+ // if the architecture is officially supported but currently no packages for it available,
+ // ignore silently as this is pretty much the same as just shipping an empty file.
+ // if we don't know which architectures are supported, we do NOT ignore it to notify user about this
+ if (TransactionManager->MetaIndexParser->IsArchitectureSupported("*undefined*") == false)
+ continue;
+ }
+
+ Status = StatAuthError;
+ strprintf(ErrorText, _("Unable to find expected entry '%s' in Release file (Wrong sources.list entry or malformed file)"), Target->MetaKey.c_str());
+ return;
+ }
+ else
+ {
+ auto const hashes = GetExpectedHashesFor(Target->MetaKey);
+ if (hashes.usable() == false && hashes.empty() == false)
+ {
+ _error->Warning(_("Skipping acquire of configured file '%s' as repository '%s' provides only weak security information for it"),
+ Target->MetaKey.c_str(), TransactionManager->Target.Description.c_str());
+ continue;
+ }
+ }
+
+ // autoselect the compression method
+ std::vector<std::string> types = VectorizeString(Target->Option(IndexTarget::COMPRESSIONTYPES), ' ');
+ types.erase(std::remove_if(types.begin(), types.end(), [&](std::string const &t) {
+ if (t == "uncompressed")
+ return TransactionManager->MetaIndexParser->Exists(Target->MetaKey) == false;
+ std::string const MetaKey = Target->MetaKey + "." + t;
+ return TransactionManager->MetaIndexParser->Exists(MetaKey) == false;
+ }), types.end());
+ if (types.empty() == false)
+ {
+ std::ostringstream os;
+ // add the special compressiontype byhash first if supported
+ std::string const useByHashConf = Target->Option(IndexTarget::BY_HASH);
+ bool useByHash = false;
+ if(useByHashConf == "force")
+ useByHash = true;
+ else
+ useByHash = StringToBool(useByHashConf) == true && metaBaseSupportsByHash;
+ if (useByHash == true)
+ os << "by-hash ";
+ std::copy(types.begin(), types.end()-1, std::ostream_iterator<std::string>(os, " "));
+ os << *types.rbegin();
+ Target->Options["COMPRESSIONTYPES"] = os.str();
+ }
+ else
+ Target->Options["COMPRESSIONTYPES"].clear();
+
+ std::string filename = GetFinalFileNameFromURI(Target->URI);
+ if (RealFileExists(filename) == false)
+ {
+ if (Target->KeepCompressed)
+ {
+ filename = GetKeepCompressedFileName(filename, *Target);
+ if (RealFileExists(filename) == false)
+ filename.clear();
+ }
+ else
+ filename.clear();
+ }
+
+ if (filename.empty() == false)
+ {
+ // if the Release file is a hit and we have an index it must be the current one
+ if (TransactionManager->IMSHit == true)
+ ;
+ else if (TransactionManager->LastMetaIndexParser != NULL)
+ {
+ // see if the file changed since the last Release file
+ // we use the uncompressed files as we might compress differently compared to the server,
+ // so the hashes might not match, even if they contain the same data.
+ HashStringList const newFile = GetExpectedHashesFromFor(TransactionManager->MetaIndexParser, Target->MetaKey);
+ HashStringList const oldFile = GetExpectedHashesFromFor(TransactionManager->LastMetaIndexParser, Target->MetaKey);
+ if (newFile != oldFile)
+ filename.clear();
+ }
+ else
+ filename.clear();
+ }
+ else
+ trypdiff = false; // no file to patch
+
+ if (filename.empty() == false)
+ {
+ new NoActionItem(Owner, *Target, filename);
+ std::string const idxfilename = GetFinalFileNameFromURI(Target->URI + ".diff/Index");
+ if (FileExists(idxfilename))
+ new NoActionItem(Owner, *Target, idxfilename);
continue;
+ }
- Status = StatAuthError;
- strprintf(ErrorText, _("Unable to find expected entry '%s' in Release file (Wrong sources.list entry or malformed file)"), (*Target)->MetaKey.c_str());
- return;
+ // check if we have patches available
+ trypdiff &= TransactionManager->MetaIndexParser->Exists(Target->MetaKey + ".diff/Index");
+ }
+ else
+ {
+ // if we have no file to patch, no point in trying
+ std::string filename = GetFinalFileNameFromURI(Target->URI);
+ if (RealFileExists(filename) == false)
+ {
+ if (Target->KeepCompressed)
+ {
+ filename = GetKeepCompressedFileName(filename, *Target);
+ if (RealFileExists(filename) == false)
+ filename.clear();
+ }
+ else
+ filename.clear();
+ }
+ trypdiff &= (filename.empty() == false);
}
- /* Queue the Index file (Packages, Sources, Translation-$foo
- (either diff or full packages files, depending
- on the users option) - we also check if the PDiff Index file is listed
- in the Meta-Index file. Ideal would be if pkgAcqDiffIndex would test this
- instead, but passing the required info to it is to much hassle */
- if(_config->FindB("Acquire::PDiffs",true) == true && (verify == false ||
- TransactionManager->MetaIndexParser->Exists((*Target)->MetaKey + ".diff/Index") == true))
+ // no point in patching from local sources
+ if (trypdiff)
+ {
+ std::string const proto = Target->URI.substr(0, strlen("file:/"));
+ if (proto == "file:/" || proto == "copy:/" || proto == "cdrom:")
+ trypdiff = false;
+ }
+
+ // Queue the Index file (Packages, Sources, Translation-$foo, …)
+ if (trypdiff)
new pkgAcqDiffIndex(Owner, TransactionManager, *Target);
else
new pkgAcqIndex(Owner, TransactionManager, *Target);
Transformed = "";
}
- if (_config->FindB("Acquire::Check-Valid-Until", true) == true &&
- TransactionManager->MetaIndexParser->GetValidUntil() > 0) {
+ if (TransactionManager->MetaIndexParser->GetValidUntil() > 0)
+ {
time_t const invalid_since = time(NULL) - TransactionManager->MetaIndexParser->GetValidUntil();
if (invalid_since > 0)
{
std::string errmsg;
strprintf(errmsg,
// TRANSLATOR: The first %s is the URL of the bad Release file, the second is
- // the time since then the file is invalid - formated in the same way as in
+ // the time since then the file is invalid - formatted in the same way as in
// the download progress display (e.g. 7d 3h 42min 1s)
_("Release file for %s is expired (invalid since %s). "
"Updates for this repository will not be applied."),
- DataTarget.URI.c_str(), TimeToStr(invalid_since).c_str());
+ Target.URI.c_str(), TimeToStr(invalid_since).c_str());
if (ErrorText.empty())
ErrorText = errmsg;
return _error->Error("%s", errmsg.c_str());
TransactionManager->LastMetaIndexParser->GetDate() > TransactionManager->MetaIndexParser->GetDate())
{
TransactionManager->IMSHit = true;
- unlink(DestFile.c_str());
+ RemoveFile("VerifyVendor", DestFile);
PartialFile = DestFile = GetFinalFilename();
- delete TransactionManager->MetaIndexParser;
- TransactionManager->MetaIndexParser = TransactionManager->LastMetaIndexParser;
+ // load the 'old' file in the 'new' one instead of flipping pointers as
+ // the new one isn't owned by us, while the old one is so cleanup would be confused.
+ TransactionManager->MetaIndexParser->swapLoad(TransactionManager->LastMetaIndexParser);
+ delete TransactionManager->LastMetaIndexParser;
TransactionManager->LastMetaIndexParser = NULL;
}
if (_config->FindB("Debug::pkgAcquire::Auth", false))
{
- std::cerr << "Got Codename: " << TransactionManager->MetaIndexParser->GetDist() << std::endl;
+ std::cerr << "Got Codename: " << TransactionManager->MetaIndexParser->GetCodename() << std::endl;
std::cerr << "Expecting Dist: " << TransactionManager->MetaIndexParser->GetExpectedDist() << std::endl;
std::cerr << "Transformed Dist: " << Transformed << std::endl;
}
// Status = StatAuthError;
// ErrorText = "Conflicting distribution; expected "
// + MetaIndexParser->GetExpectedDist() + " but got "
-// + MetaIndexParser->GetDist();
+// + MetaIndexParser->GetCodename();
// return false;
if (!Transformed.empty())
{
_error->Warning(_("Conflicting distribution: %s (expected %s but got %s)"),
Desc.Description.c_str(),
Transformed.c_str(),
- TransactionManager->MetaIndexParser->GetDist().c_str());
+ TransactionManager->MetaIndexParser->GetCodename().c_str());
}
}
return true;
}
/*}}}*/
+pkgAcqMetaBase::~pkgAcqMetaBase()
+{
+}
pkgAcqMetaClearSig::pkgAcqMetaClearSig(pkgAcquire * const Owner, /*{{{*/
IndexTarget const &ClearsignedTarget,
IndexTarget const &DetachedDataTarget, IndexTarget const &DetachedSigTarget,
- const vector<IndexTarget*>* const IndexTargets,
- indexRecords * const MetaIndexParser) :
- pkgAcqMetaIndex(Owner, this, ClearsignedTarget, DetachedSigTarget, IndexTargets, MetaIndexParser),
- ClearsignedTarget(ClearsignedTarget),
- DetachedDataTarget(DetachedDataTarget), DetachedSigTarget(DetachedSigTarget)
+ std::vector<IndexTarget> const &IndexTargets,
+ metaIndex * const MetaIndexParser) :
+ pkgAcqMetaIndex(Owner, this, ClearsignedTarget, DetachedSigTarget, IndexTargets),
+ d(NULL), ClearsignedTarget(ClearsignedTarget),
+ DetachedDataTarget(DetachedDataTarget),
+ MetaIndexParser(MetaIndexParser), LastMetaIndexParser(NULL)
{
// index targets + (worst case:) Release/Release.gpg
- ExpectedAdditionalItems = IndexTargets->size() + 2;
+ ExpectedAdditionalItems = IndexTargets.size() + 2;
TransactionManager->Add(this);
}
/*}}}*/
pkgAcqMetaClearSig::~pkgAcqMetaClearSig() /*{{{*/
{
+ if (LastMetaIndexParser != NULL)
+ delete LastMetaIndexParser;
}
/*}}}*/
// pkgAcqMetaClearSig::Custom600Headers - Insert custom request headers /*{{{*/
{
string Header = pkgAcqMetaBase::Custom600Headers();
Header += "\nFail-Ignore: true";
+ std::string const key = TransactionManager->MetaIndexParser->GetSignedBy();
+ if (key.empty() == false)
+ Header += "\nSigned-By: " + key;
+
return Header;
}
/*}}}*/
-// pkgAcqMetaClearSig::Done - We got a file /*{{{*/
-class APT_HIDDEN DummyItem : public pkgAcquire::Item
+bool pkgAcqMetaClearSig::VerifyDone(std::string const &Message, /*{{{*/
+ pkgAcquire::MethodConfig const * const Cnf)
{
- IndexTarget const * const Target;
- public:
- virtual std::string DescURI() const {return Target->URI;};
- virtual HashStringList GetExpectedHashes() const {return HashStringList();};
+ Item::VerifyDone(Message, Cnf);
- DummyItem(pkgAcquire * const Owner, IndexTarget const * const Target) :
- pkgAcquire::Item(Owner), Target(Target)
- {
- Status = StatDone;
- DestFile = GetFinalFileNameFromURI(Target->URI);
- }
-};
+ if (FileExists(DestFile) && !StartsWithGPGClearTextSignature(DestFile))
+ return RenameOnError(NotClearsigned);
+
+ return true;
+}
+ /*}}}*/
+// pkgAcqMetaClearSig::Done - We got a file /*{{{*/
void pkgAcqMetaClearSig::Done(std::string const &Message,
HashStringList const &Hashes,
pkgAcquire::MethodConfig const * const Cnf)
{
Item::Done(Message, Hashes, Cnf);
- // if we expect a ClearTextSignature (InRelease), ensure that
- // this is what we get and if not fail to queue a
- // Release/Release.gpg, see #346386
- if (FileExists(DestFile) && !StartsWithGPGClearTextSignature(DestFile))
- {
- pkgAcquire::Item::Failed(Message, Cnf);
- RenameOnError(NotClearsigned);
- TransactionManager->AbortTransaction();
- return;
- }
-
if(AuthPass == false)
{
if(CheckDownloadDone(this, Message, Hashes) == true)
// We got an InRelease file IMSHit, but we haven't one, which means
// we had a valid Release/Release.gpg combo stepping in, which we have
// to 'acquire' now to ensure list cleanup isn't removing them
- new DummyItem(Owner, &DetachedDataTarget);
- new DummyItem(Owner, &DetachedSigTarget);
+ new NoActionItem(Owner, DetachedDataTarget);
+ new NoActionItem(Owner, DetachedSigTarget);
}
}
}
if (AuthPass == false)
{
+ if (Status == StatAuthError || Status == StatTransientNetworkError)
+ {
+ // if we expected a ClearTextSignature (InRelease) but got a network
+ // error or got a file, but it wasn't valid, we end up here (see VerifyDone).
+ // As these is usually called by web-portals we do not try Release/Release.gpg
+ // as this is gonna fail anyway and instead abort our try (LP#346386)
+ TransactionManager->AbortTransaction();
+ return;
+ }
+
// Queue the 'old' InRelease file for removal if we try Release.gpg
// as otherwise the file will stay around and gives a false-auth
// impression (CVE-2012-0214)
TransactionManager->TransactionStageRemoval(this, GetFinalFilename());
Status = StatDone;
- new pkgAcqMetaIndex(Owner, TransactionManager, DetachedDataTarget, DetachedSigTarget, IndexTargets, TransactionManager->MetaIndexParser);
+ new pkgAcqMetaIndex(Owner, TransactionManager, DetachedDataTarget, DetachedSigTarget, IndexTargets);
}
else
{
if(CheckStopAuthentication(this, Message))
return;
- _error->Warning(_("The data from '%s' is not signed. Packages "
- "from that repository can not be authenticated."),
- ClearsignedTarget.Description.c_str());
-
// No Release file was present, or verification failed, so fall
// back to queueing Packages files without verification
- // only allow going further if the users explicitely wants it
- if(AllowInsecureRepositories(TransactionManager->MetaIndexParser, TransactionManager, this) == true)
+ // only allow going further if the user explicitly wants it
+ if(AllowInsecureRepositories(_("The repository '%s' is not signed."), ClearsignedTarget.Description, TransactionManager->MetaIndexParser, TransactionManager, this) == true)
{
Status = StatDone;
// open the last Release if we have it
if (TransactionManager->IMSHit == false)
{
- TransactionManager->LastMetaIndexParser = new indexRecords;
- _error->PushToStack();
- if (RealFileExists(FinalInRelease))
- TransactionManager->LastMetaIndexParser->Load(FinalInRelease);
- else
- TransactionManager->LastMetaIndexParser->Load(FinalRelease);
- // its unlikely to happen, but if what we have is bad ignore it
- if (_error->PendingError())
+ TransactionManager->LastMetaIndexParser = TransactionManager->MetaIndexParser->UnloadedClone();
+ if (TransactionManager->LastMetaIndexParser != NULL)
{
- delete TransactionManager->LastMetaIndexParser;
- TransactionManager->LastMetaIndexParser = NULL;
+ _error->PushToStack();
+ if (RealFileExists(FinalInRelease))
+ TransactionManager->LastMetaIndexParser->Load(FinalInRelease, NULL);
+ else
+ TransactionManager->LastMetaIndexParser->Load(FinalRelease, NULL);
+ // its unlikely to happen, but if what we have is bad ignore it
+ if (_error->PendingError())
+ {
+ delete TransactionManager->LastMetaIndexParser;
+ TransactionManager->LastMetaIndexParser = NULL;
+ }
+ _error->RevertToStack();
}
- _error->RevertToStack();
}
}
// we parse the indexes here because at this point the user wanted
// a repository that may potentially harm him
- if (TransactionManager->MetaIndexParser->Load(PartialRelease) == false || VerifyVendor(Message) == false)
+ if (TransactionManager->MetaIndexParser->Load(PartialRelease, &ErrorText) == false || VerifyVendor(Message) == false)
/* expired Release files are still a problem you need extra force for */;
else
QueueIndexes(true);
/*}}}*/
pkgAcqMetaIndex::pkgAcqMetaIndex(pkgAcquire * const Owner, /*{{{*/
- pkgAcqMetaBase * const TransactionManager,
+ pkgAcqMetaClearSig * const TransactionManager,
IndexTarget const &DataTarget,
IndexTarget const &DetachedSigTarget,
- vector<IndexTarget*> const * const IndexTargets,
- indexRecords * const MetaIndexParser) :
- pkgAcqMetaBase(Owner, TransactionManager, IndexTargets, DataTarget, MetaIndexParser),
+ vector<IndexTarget> const &IndexTargets) :
+ pkgAcqMetaBase(Owner, TransactionManager, IndexTargets, DataTarget), d(NULL),
DetachedSigTarget(DetachedSigTarget)
{
if(_config->FindB("Debug::Acquire::Transaction", false) == true)
Desc.URI = DataTarget.URI;
// we expect more item
- ExpectedAdditionalItems = IndexTargets->size();
+ ExpectedAdditionalItems = IndexTargets.size();
QueueURI(Desc);
}
/*}}}*/
// we have a Release file, now download the Signature, all further
// verify/queue for additional downloads will be done in the
// pkgAcqMetaSig::Done() code
- new pkgAcqMetaSig(Owner, TransactionManager, &DetachedSigTarget, this);
+ new pkgAcqMetaSig(Owner, TransactionManager, DetachedSigTarget, this);
}
}
/*}}}*/
pkgAcquire::Item::Failed(Message, Cnf);
Status = StatDone;
- _error->Warning(_("The repository '%s' does not have a Release file. "
- "This is deprecated, please contact the owner of the "
- "repository."), DataTarget.Description.c_str());
-
// No Release file was present so fall
// back to queueing Packages files without verification
- // only allow going further if the users explicitely wants it
- if(AllowInsecureRepositories(TransactionManager->MetaIndexParser, TransactionManager, this) == true)
+ // only allow going further if the user explicitly wants it
+ if(AllowInsecureRepositories(_("The repository '%s' does not have a Release file."), Target.Description, TransactionManager->MetaIndexParser, TransactionManager, this) == true)
{
// ensure old Release files are removed
TransactionManager->TransactionStageRemoval(this, GetFinalFilename());
- delete TransactionManager->MetaIndexParser;
- TransactionManager->MetaIndexParser = NULL;
// queue without any kind of hashsum support
QueueIndexes(false);
/*}}}*/
std::string pkgAcqMetaIndex::DescURI() const /*{{{*/
{
- return DataTarget.URI;
+ return Target.URI;
}
/*}}}*/
+pkgAcqMetaIndex::~pkgAcqMetaIndex() {}
// AcqMetaSig::AcqMetaSig - Constructor /*{{{*/
pkgAcqMetaSig::pkgAcqMetaSig(pkgAcquire * const Owner,
- pkgAcqMetaBase * const TransactionManager,
- IndexTarget const * const Target,
+ pkgAcqMetaClearSig * const TransactionManager,
+ IndexTarget const &Target,
pkgAcqMetaIndex * const MetaIndex) :
- pkgAcqTransactionItem(Owner, TransactionManager, Target), MetaIndex(MetaIndex)
+ pkgAcqTransactionItem(Owner, TransactionManager, Target), d(NULL), MetaIndex(MetaIndex)
{
- DestFile = GetPartialFileNameFromURI(Target->URI);
+ DestFile = GetPartialFileNameFromURI(Target.URI);
// remove any partial downloaded sig-file in partial/.
// it may confuse proxies and is too small to warrant a
// partial download anyway
- unlink(DestFile.c_str());
+ RemoveFile("pkgAcqMetaSig", DestFile);
// set the TransactionManager
if(_config->FindB("Debug::Acquire::Transaction", false) == true)
<< TransactionManager << std::endl;
// Create the item
- Desc.Description = Target->Description;
+ Desc.Description = Target.Description;
Desc.Owner = this;
- Desc.ShortDesc = Target->ShortDesc;
- Desc.URI = Target->URI;
+ Desc.ShortDesc = Target.ShortDesc;
+ Desc.URI = Target.URI;
// If we got a hit for Release, we will get one for Release.gpg too (or obscure errors),
// so we skip the download step and go instantly to verification
/*}}}*/
pkgAcqMetaSig::~pkgAcqMetaSig() /*{{{*/
{
+}
+ /*}}}*/
+// pkgAcqMetaSig::Custom600Headers - Insert custom request headers /*{{{*/
+std::string pkgAcqMetaSig::Custom600Headers() const
+{
+ std::string Header = pkgAcqTransactionItem::Custom600Headers();
+ std::string const key = TransactionManager->MetaIndexParser->GetSignedBy();
+ if (key.empty() == false)
+ Header += "\nSigned-By: " + key;
+ return Header;
}
/*}}}*/
// AcqMetaSig::Done - The signature was downloaded/verified /*{{{*/
{
std::string downgrade_msg;
strprintf(downgrade_msg, _("The repository '%s' is no longer signed."),
- MetaIndex->DataTarget.Description.c_str());
+ MetaIndex->Target.Description.c_str());
if(_config->FindB("Acquire::AllowDowngradeToInsecureRepositories"))
{
// meh, the users wants to take risks (we still mark the packages
"given to override it."));
Status = StatDone;
} else {
- _error->Error("%s", downgrade_msg.c_str());
+ MessageInsecureRepository(true, downgrade_msg);
if (TransactionManager->IMSHit == false)
Rename(MetaIndex->DestFile, MetaIndex->DestFile + ".FAILED");
Item::Failed("Message: " + downgrade_msg, Cnf);
return;
}
}
- else
- _error->Warning(_("The data from '%s' is not signed. Packages "
- "from that repository can not be authenticated."),
- MetaIndex->DataTarget.Description.c_str());
// ensures that a Release.gpg file in the lists/ is removed by the transaction
TransactionManager->TransactionStageRemoval(this, DestFile);
- // only allow going further if the users explicitely wants it
- if(AllowInsecureRepositories(TransactionManager->MetaIndexParser, TransactionManager, this) == true)
+ // only allow going further if the user explicitly wants it
+ if (AllowInsecureRepositories(_("The repository '%s' is not signed."), MetaIndex->Target.Description, TransactionManager->MetaIndexParser, TransactionManager, this) == true)
{
if (RealFileExists(FinalReleasegpg) || RealFileExists(FinalInRelease))
{
// open the last Release if we have it
if (TransactionManager->IMSHit == false)
{
- TransactionManager->LastMetaIndexParser = new indexRecords;
- _error->PushToStack();
- if (RealFileExists(FinalInRelease))
- TransactionManager->LastMetaIndexParser->Load(FinalInRelease);
- else
- TransactionManager->LastMetaIndexParser->Load(FinalRelease);
- // its unlikely to happen, but if what we have is bad ignore it
- if (_error->PendingError())
+ TransactionManager->LastMetaIndexParser = TransactionManager->MetaIndexParser->UnloadedClone();
+ if (TransactionManager->LastMetaIndexParser != NULL)
{
- delete TransactionManager->LastMetaIndexParser;
- TransactionManager->LastMetaIndexParser = NULL;
+ _error->PushToStack();
+ if (RealFileExists(FinalInRelease))
+ TransactionManager->LastMetaIndexParser->Load(FinalInRelease, NULL);
+ else
+ TransactionManager->LastMetaIndexParser->Load(FinalRelease, NULL);
+ // its unlikely to happen, but if what we have is bad ignore it
+ if (_error->PendingError())
+ {
+ delete TransactionManager->LastMetaIndexParser;
+ TransactionManager->LastMetaIndexParser = NULL;
+ }
+ _error->RevertToStack();
}
- _error->RevertToStack();
}
}
// we parse the indexes here because at this point the user wanted
// a repository that may potentially harm him
- if (TransactionManager->MetaIndexParser->Load(MetaIndex->DestFile) == false || MetaIndex->VerifyVendor(Message) == false)
+ bool const GoodLoad = TransactionManager->MetaIndexParser->Load(MetaIndex->DestFile, &ErrorText);
+ if (MetaIndex->VerifyVendor(Message) == false)
/* expired Release files are still a problem you need extra force for */;
else
- MetaIndex->QueueIndexes(true);
+ MetaIndex->QueueIndexes(GoodLoad);
TransactionManager->TransactionStageCopy(MetaIndex, MetaIndex->DestFile, MetaIndex->GetFinalFilename());
}
// AcqBaseIndex - Constructor /*{{{*/
pkgAcqBaseIndex::pkgAcqBaseIndex(pkgAcquire * const Owner,
- pkgAcqMetaBase * const TransactionManager,
- IndexTarget const * const Target)
-: pkgAcqTransactionItem(Owner, TransactionManager, Target)
+ pkgAcqMetaClearSig * const TransactionManager,
+ IndexTarget const &Target)
+: pkgAcqTransactionItem(Owner, TransactionManager, Target), d(NULL)
{
}
/*}}}*/
+pkgAcqBaseIndex::~pkgAcqBaseIndex() {}
// AcqDiffIndex::AcqDiffIndex - Constructor /*{{{*/
// ---------------------------------------------------------------------
* the original packages file
*/
pkgAcqDiffIndex::pkgAcqDiffIndex(pkgAcquire * const Owner,
- pkgAcqMetaBase * const TransactionManager,
- IndexTarget const * const Target)
- : pkgAcqBaseIndex(Owner, TransactionManager, Target)
+ pkgAcqMetaClearSig * const TransactionManager,
+ IndexTarget const &Target)
+ : pkgAcqBaseIndex(Owner, TransactionManager, Target), d(NULL), diffs(NULL)
{
Debug = _config->FindB("Debug::pkgAcquire::Diffs",false);
Desc.Owner = this;
- Desc.Description = Target->Description + ".diff/Index";
- Desc.ShortDesc = Target->ShortDesc;
- Desc.URI = Target->URI + ".diff/Index";
+ Desc.Description = Target.Description + ".diff/Index";
+ Desc.ShortDesc = Target.ShortDesc;
+ Desc.URI = Target.URI + ".diff/Index";
DestFile = GetPartialFileNameFromURI(Desc.URI);
if(Debug)
std::clog << "pkgAcqDiffIndex: " << Desc.URI << std::endl;
- // look for the current package file
- CurrentPackagesFile = GetFinalFileNameFromURI(Target->URI);
-
- // FIXME: this file:/ check is a hack to prevent fetching
- // from local sources. this is really silly, and
- // should be fixed cleanly as soon as possible
- if(!FileExists(CurrentPackagesFile) ||
- Desc.URI.substr(0,strlen("file:/")) == "file:/")
- {
- // we don't have a pkg file or we don't want to queue
- Failed("No index file, local or canceld by user", NULL);
- return;
- }
-
- if(Debug)
- std::clog << "pkgAcqDiffIndex::pkgAcqDiffIndex(): "
- << CurrentPackagesFile << std::endl;
-
QueueURI(Desc);
-
}
/*}}}*/
// AcqIndex::Custom600Headers - Insert custom request headers /*{{{*/
/* The only header we use is the last-modified header. */
string pkgAcqDiffIndex::Custom600Headers() const
{
+ if (TransactionManager->LastMetaIndexParser != NULL)
+ return "\nIndex-File: true";
+
string const Final = GetFinalFilename();
if(Debug)
FileFd Fd(IndexDiffFile,FileFd::ReadOnly);
pkgTagFile TF(&Fd);
- if (_error->PendingError() == true)
+ if (Fd.IsOpen() == false || Fd.Failed())
return false;
pkgTagSection Tags;
return false;
}
- HashStringList const TargetFileHashes = GetExpectedHashesFor(Target->MetaKey);
+ std::string const CurrentPackagesFile = GetFinalFileNameFromURI(Target.URI);
+ HashStringList const TargetFileHashes = GetExpectedHashesFor(Target.MetaKey);
if (TargetFileHashes.usable() == false || ServerHashes != TargetFileHashes)
{
if (Debug == true)
return false;
}
- if (ServerHashes.VerifyFile(CurrentPackagesFile) == true)
+ HashStringList LocalHashes;
+ // try avoiding calculating the hash here as this is costly
+ if (TransactionManager->LastMetaIndexParser != NULL)
+ LocalHashes = GetExpectedHashesFromFor(TransactionManager->LastMetaIndexParser, Target.MetaKey);
+ if (LocalHashes.usable() == false)
+ {
+ FileFd fd(CurrentPackagesFile, FileFd::ReadOnly, FileFd::Auto);
+ Hashes LocalHashesCalc(ServerHashes);
+ LocalHashesCalc.AddFD(fd);
+ LocalHashes = LocalHashesCalc.GetHashStringList();
+ }
+
+ if (ServerHashes == LocalHashes)
{
// we have the same sha1 as the server so we are done here
if(Debug)
return true;
}
- FileFd fd(CurrentPackagesFile, FileFd::ReadOnly);
- Hashes LocalHashesCalc;
- LocalHashesCalc.AddFD(fd);
- HashStringList const LocalHashes = LocalHashesCalc.GetHashStringList();
-
if(Debug)
std::clog << "Server-Current: " << ServerHashes.find(NULL)->toStr() << " and we start at "
- << fd.Name() << " " << fd.FileSize() << " " << LocalHashes.find(NULL)->toStr() << std::endl;
+ << CurrentPackagesFile << " " << LocalHashes.FileSize() << " " << LocalHashes.find(NULL)->toStr() << std::endl;
+
+ // historically, older hashes have more info than newer ones, so start
+ // collecting with older ones first to avoid implementing complicated
+ // information merging techniques… a failure is after all always
+ // recoverable with a complete file and hashes aren't changed that often.
+ std::vector<char const *> types;
+ for (char const * const * type = HashString::SupportedHashes(); *type != NULL; ++type)
+ types.push_back(*type);
// parse all of (provided) history
vector<DiffInfo> available_patches;
bool firstAcceptedHashes = true;
- for (char const * const * type = HashString::SupportedHashes(); *type != NULL; ++type)
+ for (auto type = types.crbegin(); type != types.crend(); ++type)
{
if (LocalHashes.find(*type) == NULL)
continue;
std::vector<DiffInfo>::iterator cur = available_patches.begin();
for (; cur != available_patches.end(); ++cur)
{
- if (cur->file != filename || unlikely(cur->result_size != size))
+ if (cur->file != filename)
continue;
cur->result_hashes.push_back(HashString(*type, hash));
break;
DiffInfo next;
next.file = filename;
next.result_hashes.push_back(HashString(*type, hash));
- next.result_size = size;
- next.patch_size = 0;
+ next.result_hashes.FileSize(size);
available_patches.push_back(next);
}
else
return false;
}
- for (char const * const * type = HashString::SupportedHashes(); *type != NULL; ++type)
+ for (auto type = types.crbegin(); type != types.crend(); ++type)
{
if (LocalHashes.find(*type) == NULL)
continue;
{
if (cur->file != filename)
continue;
- if (unlikely(cur->patch_size != 0 && cur->patch_size != size))
- continue;
+ if (cur->patch_hashes.empty())
+ cur->patch_hashes.FileSize(size);
cur->patch_hashes.push_back(HashString(*type, hash));
- cur->patch_size = size;
break;
}
if (cur != available_patches.end())
}
}
+ for (auto type = types.crbegin(); type != types.crend(); ++type)
+ {
+ std::string tagname = *type;
+ tagname.append("-Download");
+ std::string const tmp = Tags.FindS(tagname.c_str());
+ if (tmp.empty() == true)
+ continue;
+
+ string hash, filename;
+ unsigned long long size;
+ std::stringstream ss(tmp);
+
+ // FIXME: all of pdiff supports only .gz compressed patches
+ while (ss >> hash >> size >> filename)
+ {
+ if (unlikely(hash.empty() == true || filename.empty() == true))
+ continue;
+ if (unlikely(APT::String::Endswith(filename, ".gz") == false))
+ continue;
+ filename.erase(filename.length() - 3);
+
+ // see if we have a record for this file already
+ std::vector<DiffInfo>::iterator cur = available_patches.begin();
+ for (; cur != available_patches.end(); ++cur)
+ {
+ if (cur->file != filename)
+ continue;
+ if (cur->download_hashes.empty())
+ cur->download_hashes.FileSize(size);
+ cur->download_hashes.push_back(HashString(*type, hash));
+ break;
+ }
+ if (cur != available_patches.end())
+ continue;
+ if (Debug == true)
+ std::clog << "pkgAcqDiffIndex: " << IndexDiffFile << ": File " << filename
+ << " wasn't in the list for the first parsed hash! (download)" << std::endl;
+ break;
+ }
+ }
+
+
bool foundStart = false;
for (std::vector<DiffInfo>::iterator cur = available_patches.begin();
cur != available_patches.end(); ++cur)
unsigned long long patchesSize = 0;
for (std::vector<DiffInfo>::const_iterator cur = available_patches.begin();
cur != available_patches.end(); ++cur)
- patchesSize += cur->patch_size;
+ patchesSize += cur->patch_hashes.FileSize();
unsigned long long const sizeLimit = ServerSize * _config->FindI("Acquire::PDiffs::SizeLimit", 100);
if (sizeLimit > 0 && (sizeLimit/100) < patchesSize)
{
new pkgAcqIndexDiffs(Owner, TransactionManager, Target, available_patches);
else
{
-
std::vector<pkgAcqIndexMergeDiffs*> *diffs = new std::vector<pkgAcqIndexMergeDiffs*>(available_patches.size());
+ diffs = new std::vector<pkgAcqIndexMergeDiffs*>(available_patches.size());
for(size_t i = 0; i < available_patches.size(); ++i)
(*diffs)[i] = new pkgAcqIndexMergeDiffs(Owner, TransactionManager,
Target,
return;
}
/*}}}*/
+pkgAcqDiffIndex::~pkgAcqDiffIndex()
+{
+ if (diffs != NULL)
+ delete diffs;
+}
// AcqIndexDiffs::AcqIndexDiffs - Constructor /*{{{*/
// ---------------------------------------------------------------------
* for each diff and the index
*/
pkgAcqIndexDiffs::pkgAcqIndexDiffs(pkgAcquire * const Owner,
- pkgAcqMetaBase * const TransactionManager,
- IndexTarget const * const Target,
+ pkgAcqMetaClearSig * const TransactionManager,
+ IndexTarget const &Target,
vector<DiffInfo> const &diffs)
- : pkgAcqBaseIndex(Owner, TransactionManager, Target),
+ : pkgAcqBaseIndex(Owner, TransactionManager, Target), d(NULL),
available_patches(diffs)
{
- DestFile = GetPartialFileNameFromURI(Target->URI);
+ DestFile = GetKeepCompressedFileName(GetPartialFileNameFromURI(Target.URI), Target);
Debug = _config->FindB("Debug::pkgAcquire::Diffs",false);
Desc.Owner = this;
- Description = Target->Description;
- Desc.ShortDesc = Target->ShortDesc;
+ Description = Target.Description;
+ Desc.ShortDesc = Target.ShortDesc;
if(available_patches.empty() == true)
{
// we are done (yeah!), check hashes against the final file
- DestFile = GetFinalFileNameFromURI(Target->URI);
+ DestFile = GetKeepCompressedFileName(GetFinalFileNameFromURI(Target.URI), Target);
Finish(true);
}
else
{
- // patching needs to be bootstrapped with the 'old' version
- std::string const PartialFile = GetPartialFileNameFromURI(Target->URI);
- if (RealFileExists(PartialFile) == false)
+ if (BootstrapPDiffWith(GetPartialFileNameFromURI(Target.URI), GetFinalFilename(), Target) == false)
{
- if (symlink(GetFinalFilename().c_str(), PartialFile.c_str()) != 0)
- {
- Failed("Link creation of " + PartialFile + " to " + GetFinalFilename() + " failed", NULL);
- return;
- }
+ Failed("Bootstrapping of " + DestFile + " failed", NULL);
+ return;
}
// get the next diff
Item::Failed(Message,Cnf);
Status = StatDone;
+ DestFile = GetKeepCompressedFileName(GetPartialFileNameFromURI(Target.URI), Target);
if(Debug)
std::clog << "pkgAcqIndexDiffs failed: " << Desc.URI << " with " << Message << std::endl
- << "Falling back to normal index file acquire" << std::endl;
- DestFile = GetPartialFileNameFromURI(Target->URI);
+ << "Falling back to normal index file acquire " << std::endl;
RenameOnError(PDiffError);
+ std::string const patchname = GetDiffsPatchFileName(DestFile);
+ if (RealFileExists(patchname))
+ rename(patchname.c_str(), std::string(patchname + ".FAILED").c_str());
new pkgAcqIndex(Owner, TransactionManager, Target);
Finish();
}
// the file will be cleaned
if(allDone)
{
- TransactionManager->TransactionStageCopy(this, DestFile, GetFinalFilename());
+ std::string Final = GetFinalFilename();
+ if (Target.KeepCompressed)
+ {
+ std::string const ext = flExtension(DestFile);
+ if (ext.empty() == false)
+ Final.append(".").append(ext);
+ }
+ TransactionManager->TransactionStageCopy(this, DestFile, Final);
// this is for the "real" finish
Complete = true;
std::clog << "\n\nallDone: " << DestFile << "\n" << std::endl;
return;
}
+ else
+ DestFile.clear();
if(Debug)
std::clog << "Finishing: " << Desc.URI << std::endl;
bool pkgAcqIndexDiffs::QueueNextDiff() /*{{{*/
{
// calc sha1 of the just patched file
- std::string const FinalFile = GetPartialFileNameFromURI(Target->URI);
-
+ std::string const FinalFile = GetKeepCompressedFileName(GetPartialFileNameFromURI(Target.URI), Target);
if(!FileExists(FinalFile))
{
Failed("Message: No FinalFile " + FinalFile + " available", NULL);
return false;
}
- FileFd fd(FinalFile, FileFd::ReadOnly);
+ FileFd fd(FinalFile, FileFd::ReadOnly, FileFd::Extension);
Hashes LocalHashesCalc;
LocalHashesCalc.AddFD(fd);
HashStringList const LocalHashes = LocalHashesCalc.GetHashStringList();
if(Debug)
std::clog << "QueueNextDiff: " << FinalFile << " (" << LocalHashes.find(NULL)->toStr() << ")" << std::endl;
- HashStringList const TargetFileHashes = GetExpectedHashesFor(Target->MetaKey);
+ HashStringList const TargetFileHashes = GetExpectedHashesFor(Target.MetaKey);
if (unlikely(LocalHashes.usable() == false || TargetFileHashes.usable() == false))
{
Failed("Local/Expected hashes are not usable", NULL);
// remove all patches until the next matching patch is found
// this requires the Index file to be ordered
- for(vector<DiffInfo>::iterator I = available_patches.begin();
- available_patches.empty() == false &&
- I != available_patches.end() &&
- I->result_hashes != LocalHashes;
- ++I)
- {
- available_patches.erase(I);
- }
+ available_patches.erase(available_patches.begin(),
+ std::find_if(available_patches.begin(), available_patches.end(), [&](DiffInfo const &I) {
+ return I.result_hashes == LocalHashes;
+ }));
// error checking and falling back if no patch was found
if(available_patches.empty() == true)
}
// queue the right diff
- Desc.URI = Target->URI + ".diff/" + available_patches[0].file + ".gz";
+ Desc.URI = Target.URI + ".diff/" + available_patches[0].file + ".gz";
Desc.Description = Description + " " + available_patches[0].file + string(".pdiff");
- DestFile = GetPartialFileNameFromURI(Target->URI + ".diff/" + available_patches[0].file);
+ DestFile = GetKeepCompressedFileName(GetPartialFileNameFromURI(Target.URI + ".diff/" + available_patches[0].file), Target);
if(Debug)
std::clog << "pkgAcqIndexDiffs::QueueNextDiff(): " << Desc.URI << std::endl;
Item::Done(Message, Hashes, Cnf);
- // FIXME: verify this download too before feeding it to rred
- std::string const FinalFile = GetPartialFileNameFromURI(Target->URI);
+ std::string const FinalFile = GetKeepCompressedFileName(GetPartialFileNameFromURI(Target.URI), Target);
+ std::string const PatchFile = GetDiffsPatchFileName(FinalFile);
// success in downloading a diff, enter ApplyDiff state
if(State == StateFetchDiff)
{
- FileFd fd(DestFile, FileFd::ReadOnly, FileFd::Gzip);
- class Hashes LocalHashesCalc;
- LocalHashesCalc.AddFD(fd);
- HashStringList const LocalHashes = LocalHashesCalc.GetHashStringList();
-
- if (fd.Size() != available_patches[0].patch_size ||
- available_patches[0].patch_hashes != LocalHashes)
- {
- // patchfiles are dated, so bad indicates a bad download, so kill it
- unlink(DestFile.c_str());
- Failed("Patch has Size/Hashsum mismatch", NULL);
- return;
- }
-
- // rred excepts the patch as $FinalFile.ed
- Rename(DestFile,FinalFile+".ed");
+ Rename(DestFile, PatchFile);
if(Debug)
std::clog << "Sending to rred method: " << FinalFile << std::endl;
QueueURI(Desc);
SetActiveSubprocess("rred");
return;
- }
-
+ }
// success in download/apply a diff, queue next (if needed)
if(State == StateApplyDiff)
{
// remove the just applied patch
available_patches.erase(available_patches.begin());
- unlink((FinalFile + ".ed").c_str());
+ RemoveFile("pkgAcqIndexDiffs::Done", PatchFile);
// move into place
- if(Debug)
+ if(Debug)
{
std::clog << "Moving patched file in place: " << std::endl
<< DestFile << " -> " << FinalFile << std::endl;
}
}
/*}}}*/
+std::string pkgAcqIndexDiffs::Custom600Headers() const /*{{{*/
+{
+ if(State != StateApplyDiff)
+ return pkgAcqBaseIndex::Custom600Headers();
+ std::ostringstream patchhashes;
+ HashStringList const ExpectedHashes = available_patches[0].patch_hashes;
+ for (HashStringList::const_iterator hs = ExpectedHashes.begin(); hs != ExpectedHashes.end(); ++hs)
+ patchhashes << "\nPatch-0-" << hs->HashType() << "-Hash: " << hs->HashValue();
+ patchhashes << pkgAcqBaseIndex::Custom600Headers();
+ return patchhashes.str();
+}
+ /*}}}*/
+pkgAcqIndexDiffs::~pkgAcqIndexDiffs() {}
// AcqIndexMergeDiffs::AcqIndexMergeDiffs - Constructor /*{{{*/
pkgAcqIndexMergeDiffs::pkgAcqIndexMergeDiffs(pkgAcquire * const Owner,
- pkgAcqMetaBase * const TransactionManager,
- IndexTarget const * const Target,
+ pkgAcqMetaClearSig * const TransactionManager,
+ IndexTarget const &Target,
DiffInfo const &patch,
std::vector<pkgAcqIndexMergeDiffs*> const * const allPatches)
- : pkgAcqBaseIndex(Owner, TransactionManager, Target),
+ : pkgAcqBaseIndex(Owner, TransactionManager, Target), d(NULL),
patch(patch), allPatches(allPatches), State(StateFetchDiff)
{
Debug = _config->FindB("Debug::pkgAcquire::Diffs",false);
Desc.Owner = this;
- Description = Target->Description;
- Desc.ShortDesc = Target->ShortDesc;
+ Description = Target.Description;
+ Desc.ShortDesc = Target.ShortDesc;
- Desc.URI = Target->URI + ".diff/" + patch.file + ".gz";
+ Desc.URI = Target.URI + ".diff/" + patch.file + ".gz";
Desc.Description = Description + " " + patch.file + string(".pdiff");
- DestFile = GetPartialFileNameFromURI(Target->URI + ".diff/" + patch.file);
+ DestFile = GetKeepCompressedFileName(GetPartialFileNameFromURI(Target.URI + ".diff/" + patch.file), Target);
if(Debug)
std::clog << "pkgAcqIndexMergeDiffs: " << Desc.URI << std::endl;
State = StateErrorDiff;
if (Debug)
std::clog << "Falling back to normal index file acquire" << std::endl;
- DestFile = GetPartialFileNameFromURI(Target->URI);
+ DestFile = GetKeepCompressedFileName(GetPartialFileNameFromURI(Target.URI), Target);
RenameOnError(PDiffError);
+ std::string const patchname = GetMergeDiffsPatchFileName(DestFile, patch.file);
+ if (RealFileExists(patchname))
+ rename(patchname.c_str(), std::string(patchname + ".FAILED").c_str());
new pkgAcqIndex(Owner, TransactionManager, Target);
+ DestFile.clear();
}
/*}}}*/
void pkgAcqIndexMergeDiffs::Done(string const &Message, HashStringList const &Hashes, /*{{{*/
Item::Done(Message, Hashes, Cnf);
- // FIXME: verify download before feeding it to rred
- string const FinalFile = GetPartialFileNameFromURI(Target->URI);
-
+ std::string const UncompressedFinalFile = GetPartialFileNameFromURI(Target.URI);
+ std::string const FinalFile = GetKeepCompressedFileName(GetPartialFileNameFromURI(Target.URI), Target);
if (State == StateFetchDiff)
{
- FileFd fd(DestFile, FileFd::ReadOnly, FileFd::Gzip);
- class Hashes LocalHashesCalc;
- LocalHashesCalc.AddFD(fd);
- HashStringList const LocalHashes = LocalHashesCalc.GetHashStringList();
-
- if (fd.Size() != patch.patch_size || patch.patch_hashes != LocalHashes)
- {
- // patchfiles are dated, so bad indicates a bad download, so kill it
- unlink(DestFile.c_str());
- Failed("Patch has Size/Hashsum mismatch", NULL);
- return;
- }
-
- // rred expects the patch as $FinalFile.ed.$patchname.gz
- Rename(DestFile, FinalFile + ".ed." + patch.file + ".gz");
+ Rename(DestFile, GetMergeDiffsPatchFileName(FinalFile, patch.file));
// check if this is the last completed diff
State = StateDoneDiff;
// this is the last completed diff, so we are ready to apply now
State = StateApplyDiff;
- // patching needs to be bootstrapped with the 'old' version
- if (symlink(GetFinalFilename().c_str(), FinalFile.c_str()) != 0)
+ if (BootstrapPDiffWith(UncompressedFinalFile, GetFinalFilename(), Target) == false)
{
- Failed("Link creation of " + FinalFile + " to " + GetFinalFilename() + " failed", NULL);
+ Failed("Bootstrapping of " + DestFile + " failed", NULL);
return;
}
else if (State == StateApplyDiff)
{
// move the result into place
- std::string const Final = GetFinalFilename();
+ std::string const Final = GetKeepCompressedFileName(GetFinalFilename(), Target);
if(Debug)
std::clog << "Queue patched file in place: " << std::endl
<< DestFile << " -> " << Final << std::endl;
for (std::vector<pkgAcqIndexMergeDiffs *>::const_iterator I = allPatches->begin();
I != allPatches->end(); ++I)
{
- std::string const PartialFile = GetPartialFileNameFromURI(Target->URI);
- std::string patch = PartialFile + ".ed." + (*I)->patch.file + ".gz";
- unlink(patch.c_str());
+ std::string const PartialFile = GetKeepCompressedFileName(GetPartialFileNameFromURI(Target.URI), Target);
+ std::string const patch = GetMergeDiffsPatchFileName(PartialFile, (*I)->patch.file);
+ RemoveFile("pkgAcqIndexMergeDiffs::Done", patch);
}
- unlink(FinalFile.c_str());
+ RemoveFile("pkgAcqIndexMergeDiffs::Done", FinalFile);
// all set and done
Complete = true;
}
}
/*}}}*/
+std::string pkgAcqIndexMergeDiffs::Custom600Headers() const /*{{{*/
+{
+ if(State != StateApplyDiff)
+ return pkgAcqBaseIndex::Custom600Headers();
+ std::ostringstream patchhashes;
+ unsigned int seen_patches = 0;
+ for (std::vector<pkgAcqIndexMergeDiffs *>::const_iterator I = allPatches->begin();
+ I != allPatches->end(); ++I)
+ {
+ HashStringList const ExpectedHashes = (*I)->patch.patch_hashes;
+ for (HashStringList::const_iterator hs = ExpectedHashes.begin(); hs != ExpectedHashes.end(); ++hs)
+ patchhashes << "\nPatch-" << seen_patches << "-" << hs->HashType() << "-Hash: " << hs->HashValue();
+ ++seen_patches;
+ }
+ patchhashes << pkgAcqBaseIndex::Custom600Headers();
+ return patchhashes.str();
+}
+ /*}}}*/
+pkgAcqIndexMergeDiffs::~pkgAcqIndexMergeDiffs() {}
// AcqIndex::AcqIndex - Constructor /*{{{*/
pkgAcqIndex::pkgAcqIndex(pkgAcquire * const Owner,
- pkgAcqMetaBase * const TransactionManager,
- IndexTarget const * const Target)
- : pkgAcqBaseIndex(Owner, TransactionManager, Target)
+ pkgAcqMetaClearSig * const TransactionManager,
+ IndexTarget const &Target)
+ : pkgAcqBaseIndex(Owner, TransactionManager, Target), d(NULL), Stage(STAGE_DOWNLOAD),
+ CompressionExtensions(Target.Option(IndexTarget::COMPRESSIONTYPES))
{
- // autoselect the compression method
- AutoSelectCompression();
- Init(Target->URI, Target->Description, Target->ShortDesc);
+ Init(Target.URI, Target.Description, Target.ShortDesc);
if(_config->FindB("Debug::Acquire::Transaction", false) == true)
std::clog << "New pkgIndex with TransactionManager "
<< TransactionManager << std::endl;
}
/*}}}*/
-// AcqIndex::AutoSelectCompression - Select compression /*{{{*/
-void pkgAcqIndex::AutoSelectCompression()
+// AcqIndex::Init - defered Constructor /*{{{*/
+static void NextCompressionExtension(std::string &CurrentCompressionExtension, std::string &CompressionExtensions, bool const preview)
{
- std::vector<std::string> types = APT::Configuration::getCompressionTypes();
- CompressionExtensions = "";
- if (TransactionManager->MetaIndexParser != NULL && TransactionManager->MetaIndexParser->Exists(Target->MetaKey))
+ size_t const nextExt = CompressionExtensions.find(' ');
+ if (nextExt == std::string::npos)
{
- for (std::vector<std::string>::const_iterator t = types.begin();
- t != types.end(); ++t)
- {
- std::string CompressedMetaKey = string(Target->MetaKey).append(".").append(*t);
- if (*t == "uncompressed" ||
- TransactionManager->MetaIndexParser->Exists(CompressedMetaKey) == true)
- CompressionExtensions.append(*t).append(" ");
- }
+ CurrentCompressionExtension = CompressionExtensions;
+ if (preview == false)
+ CompressionExtensions.clear();
}
else
{
- for (std::vector<std::string>::const_iterator t = types.begin(); t != types.end(); ++t)
- CompressionExtensions.append(*t).append(" ");
+ CurrentCompressionExtension = CompressionExtensions.substr(0, nextExt);
+ if (preview == false)
+ CompressionExtensions = CompressionExtensions.substr(nextExt+1);
}
- if (CompressionExtensions.empty() == false)
- CompressionExtensions.erase(CompressionExtensions.end()-1);
}
- /*}}}*/
-// AcqIndex::Init - defered Constructor /*{{{*/
void pkgAcqIndex::Init(string const &URI, string const &URIDesc,
string const &ShortDesc)
{
Stage = STAGE_DOWNLOAD;
DestFile = GetPartialFileNameFromURI(URI);
+ NextCompressionExtension(CurrentCompressionExtension, CompressionExtensions, false);
- size_t const nextExt = CompressionExtensions.find(' ');
- if (nextExt == std::string::npos)
+ if (CurrentCompressionExtension == "uncompressed")
{
- CurrentCompressionExtension = CompressionExtensions;
- CompressionExtensions.clear();
+ Desc.URI = URI;
}
- else
+ else if (CurrentCompressionExtension == "by-hash")
{
- CurrentCompressionExtension = CompressionExtensions.substr(0, nextExt);
- CompressionExtensions = CompressionExtensions.substr(nextExt+1);
- }
+ NextCompressionExtension(CurrentCompressionExtension, CompressionExtensions, true);
+ if(unlikely(TransactionManager->MetaIndexParser == NULL || CurrentCompressionExtension.empty()))
+ return;
+ if (CurrentCompressionExtension != "uncompressed")
+ {
+ Desc.URI = URI + '.' + CurrentCompressionExtension;
+ DestFile = DestFile + '.' + CurrentCompressionExtension;
+ }
- if (CurrentCompressionExtension == "uncompressed")
- {
- Desc.URI = URI;
+ HashStringList const Hashes = GetExpectedHashes();
+ HashString const * const TargetHash = Hashes.find(NULL);
+ if (unlikely(TargetHash == nullptr))
+ return;
+ std::string const ByHash = "/by-hash/" + TargetHash->HashType() + "/" + TargetHash->HashValue();
+ size_t const trailing_slash = Desc.URI.find_last_of("/");
+ if (unlikely(trailing_slash == std::string::npos))
+ return;
+ Desc.URI = Desc.URI.replace(
+ trailing_slash,
+ Desc.URI.substr(trailing_slash+1).size()+1,
+ ByHash);
}
else if (unlikely(CurrentCompressionExtension.empty()))
return;
DestFile = DestFile + '.' + CurrentCompressionExtension;
}
- if(TransactionManager->MetaIndexParser != NULL)
- InitByHashIfNeeded();
Desc.Description = URIDesc;
Desc.Owner = this;
QueueURI(Desc);
}
/*}}}*/
-// AcqIndex::AdjustForByHash - modify URI for by-hash support /*{{{*/
-void pkgAcqIndex::InitByHashIfNeeded()
-{
- // 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 ||
- TransactionManager->MetaIndexParser->GetSupportsAcquireByHash())
- {
- HashStringList const Hashes = GetExpectedHashes();
- if(Hashes.usable())
- {
- // FIXME: should we really use the best hash here? or a fixed one?
- HashString const * const TargetHash = Hashes.find("");
- std::string const ByHash = "/by-hash/" + TargetHash->HashType() + "/" + TargetHash->HashValue();
- size_t const 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",
- GetMetaKey().c_str());
- }
- }
-}
- /*}}}*/
// AcqIndex::Custom600Headers - Insert custom request headers /*{{{*/
// ---------------------------------------------------------------------
/* The only header we use is the last-modified header. */
string pkgAcqIndex::Custom600Headers() const
{
- string Final = GetFinalFilename();
string msg = "\nIndex-File: true";
- struct stat Buf;
- if (stat(Final.c_str(),&Buf) == 0)
- msg += "\nLast-Modified: " + TimeRFC1123(Buf.st_mtime);
- if(Target->IsOptional())
+ if (TransactionManager->LastMetaIndexParser == NULL)
+ {
+ std::string const Final = GetFinalFilename();
+
+ struct stat Buf;
+ if (stat(Final.c_str(),&Buf) == 0)
+ msg += "\nLast-Modified: " + TimeRFC1123(Buf.st_mtime);
+ }
+
+ if(Target.IsOptional)
msg += "\nFail-Ignore: true";
return msg;
{
if (CompressionExtensions.empty() == false)
{
- Init(Target->URI, Desc.Description, Desc.ShortDesc);
+ Init(Target.URI, Desc.Description, Desc.ShortDesc);
Status = StatIdle;
return;
}
}
- if(Target->IsOptional() && GetExpectedHashes().empty() && Stage == STAGE_DOWNLOAD)
+ if(Target.IsOptional && GetExpectedHashes().empty() && Stage == STAGE_DOWNLOAD)
Status = StatDone;
else
TransactionManager->AbortTransaction();
{
// update destfile to *not* include the compression extension when doing
// a reverify (as its uncompressed on disk already)
- DestFile = GetCompressedFileName(Target->URI, GetPartialFileNameFromURI(Target->URI), CurrentCompressionExtension);
+ DestFile = GetCompressedFileName(Target, GetPartialFileNameFromURI(Target.URI), CurrentCompressionExtension);
// copy FinalFile into partial/ so that we check the hash again
string FinalFile = GetFinalFilename();
QueueURI(Desc);
}
/*}}}*/
-// AcqIndex::ValidateFile - Validate the content of 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(FileName, 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
Complete = true;
// Handle the unzipd case
- string FileName = LookupTag(Message,"Alt-Filename");
+ std::string FileName = LookupTag(Message,"Alt-Filename");
if (FileName.empty() == false)
{
Stage = STAGE_DECOMPRESS_AND_VERIFY;
SetActiveSubprocess("copy");
return;
}
-
FileName = LookupTag(Message,"Filename");
- if (FileName.empty() == true)
- {
- Status = StatError;
- ErrorText = "Method gave a blank filename";
- }
// Methods like e.g. "file:" will give us a (compressed) FileName that is
// not the "DestFile" we set, in this case we uncompress from the local file
- if (FileName != DestFile)
+ if (FileName != DestFile && RealFileExists(DestFile) == false)
+ {
Local = true;
+ if (Target.KeepCompressed == true)
+ {
+ // but if we don't keep the uncompress we copy the compressed file first
+ Stage = STAGE_DOWNLOAD;
+ Desc.URI = "copy:" + FileName;
+ QueueURI(Desc);
+ SetActiveSubprocess("copy");
+ return;
+ }
+ }
else
EraseFileName = FileName;
return;
}
- // If we have compressed indexes enabled, queue for hash verification
- if (_config->FindB("Acquire::GzipIndexes",false))
- {
- DestFile = GetPartialFileNameFromURI(Target->URI + '.' + CurrentCompressionExtension);
- EraseFileName = "";
- Stage = STAGE_DECOMPRESS_AND_VERIFY;
- Desc.URI = "copy:" + FileName;
- QueueURI(Desc);
- SetActiveSubprocess("copy");
- return;
- }
-
// get the binary name for your used compression type
string decompProg;
if(CurrentCompressionExtension == "uncompressed")
return;
}
+ if (Target.KeepCompressed == true)
+ {
+ DestFile = "/dev/null";
+ EraseFileName.clear();
+ }
+ else
+ DestFile += ".decomp";
+
// queue uri for the next stage
Stage = STAGE_DECOMPRESS_AND_VERIFY;
- DestFile += ".decomp";
Desc.URI = decompProg + ":" + FileName;
QueueURI(Desc);
SetActiveSubprocess(decompProg);
}
/*}}}*/
// AcqIndex::StageDecompressDone - Final verification /*{{{*/
-void pkgAcqIndex::StageDecompressDone(string const &Message,
+void pkgAcqIndex::StageDecompressDone(string const &,
HashStringList const &,
- pkgAcquire::MethodConfig const * const Cfg)
+ pkgAcquire::MethodConfig const * const)
{
- if(!ValidateFile(DestFile))
- {
- RenameOnError(InvalidFormat);
- Failed(Message, Cfg);
- return;
- }
+ if (Target.KeepCompressed == true && DestFile == "/dev/null")
+ DestFile = GetPartialFileNameFromURI(Target.URI + '.' + CurrentCompressionExtension);
// Done, queue for rename on transaction finished
TransactionManager->TransactionStageCopy(this, DestFile, GetFinalFilename());
-
return;
}
/*}}}*/
+pkgAcqIndex::~pkgAcqIndex() {}
// AcqArchive::AcqArchive - Constructor /*{{{*/
pkgAcqArchive::pkgAcqArchive(pkgAcquire * const Owner,pkgSourceList * const Sources,
pkgRecords * const Recs,pkgCache::VerIterator const &Version,
string &StoreFilename) :
- Item(Owner), LocalSource(false), Version(Version), Sources(Sources), Recs(Recs),
+ Item(Owner), d(NULL), LocalSource(false), Version(Version), Sources(Sources), Recs(Recs),
StoreFilename(StoreFilename), Vf(Version.FileList()),
Trusted(false)
{
// Skip not source sources, they do not have file fields.
for (; Vf.end() == false; ++Vf)
{
- if ((Vf.File()->Flags & pkgCache::Flag::NotSource) != 0)
+ if (Vf.File().Flagged(pkgCache::Flag::NotSource))
continue;
break;
}
{
pkgCache::PkgFileIterator const PkgF = Vf.File();
// Ignore not source sources
- if ((PkgF->Flags & pkgCache::Flag::NotSource) != 0)
+ if (PkgF.Flagged(pkgCache::Flag::NotSource))
continue;
// Try to cross match against the source list
pkgIndexFile *Index;
if (Sources->FindIndex(PkgF, Index) == false)
continue;
- LocalSource = (PkgF->Flags & pkgCache::Flag::LocalSource) == pkgCache::Flag::LocalSource;
+ LocalSource = PkgF.Flagged(pkgCache::Flag::LocalSource);
// only try to get a trusted package from another source if that source
// is also trusted
/* Hmm, we have a file and its size does not match, this means it is
an old style mismatched arch */
- unlink(FinalFile.c_str());
+ RemoveFile("pkgAcqArchive::QueueNext", FinalFile);
}
// Check it again using the new style output filenames
/* Hmm, we have a file and its size does not match, this shouldn't
happen.. */
- unlink(FinalFile.c_str());
+ RemoveFile("pkgAcqArchive::QueueNext", FinalFile);
}
DestFile = _config->FindDir("Dir::Cache::Archives") + "partial/" + flNotDir(StoreFilename);
{
// Hmm, the partial file is too big, erase it
if ((unsigned long long)Buf.st_size > Version->Size)
- unlink(DestFile.c_str());
+ RemoveFile("pkgAcqArchive::QueueNext", DestFile);
else
PartialSize = Buf.st_size;
}
Item::Done(Message, Hashes, Cfg);
// Grab the output filename
- string FileName = LookupTag(Message,"Filename");
- if (FileName.empty() == true)
- {
- Status = StatError;
- ErrorText = "Method gave a blank filename";
- return;
- }
-
- // Reference filename
- if (FileName != DestFile)
+ std::string const FileName = LookupTag(Message,"Filename");
+ if (DestFile != FileName && RealFileExists(DestFile) == false)
{
StoreFilename = DestFile = FileName;
Local = true;
return Desc.ShortDesc;
}
/*}}}*/
+pkgAcqArchive::~pkgAcqArchive() {}
+
+// AcqChangelog::pkgAcqChangelog - Constructors /*{{{*/
+pkgAcqChangelog::pkgAcqChangelog(pkgAcquire * const Owner, pkgCache::VerIterator const &Ver,
+ std::string const &DestDir, std::string const &DestFilename) :
+ pkgAcquire::Item(Owner), d(NULL), SrcName(Ver.SourcePkgName()), SrcVersion(Ver.SourceVerStr())
+{
+ Desc.URI = URI(Ver);
+ Init(DestDir, DestFilename);
+}
+// some parameters are char* here as they come likely from char* interfaces – which can also return NULL
+pkgAcqChangelog::pkgAcqChangelog(pkgAcquire * const Owner, pkgCache::RlsFileIterator const &RlsFile,
+ char const * const Component, char const * const SrcName, char const * const SrcVersion,
+ const string &DestDir, const string &DestFilename) :
+ pkgAcquire::Item(Owner), d(NULL), SrcName(SrcName), SrcVersion(SrcVersion)
+{
+ Desc.URI = URI(RlsFile, Component, SrcName, SrcVersion);
+ Init(DestDir, DestFilename);
+}
+pkgAcqChangelog::pkgAcqChangelog(pkgAcquire * const Owner,
+ std::string const &URI, char const * const SrcName, char const * const SrcVersion,
+ const string &DestDir, const string &DestFilename) :
+ pkgAcquire::Item(Owner), d(NULL), SrcName(SrcName), SrcVersion(SrcVersion)
+{
+ Desc.URI = URI;
+ Init(DestDir, DestFilename);
+}
+void pkgAcqChangelog::Init(std::string const &DestDir, std::string const &DestFilename)
+{
+ if (Desc.URI.empty())
+ {
+ Status = StatError;
+ // TRANSLATOR: %s=%s is sourcename=sourceversion, e.g. apt=1.1
+ strprintf(ErrorText, _("Changelog unavailable for %s=%s"), SrcName.c_str(), SrcVersion.c_str());
+ // Let the error message print something sensible rather than "Failed to fetch /"
+ if (DestFilename.empty())
+ DestFile = SrcName + ".changelog";
+ else
+ DestFile = DestFilename;
+ Desc.URI = "changelog:/" + DestFile;
+ return;
+ }
+
+ if (DestDir.empty())
+ {
+ std::string const SandboxUser = _config->Find("APT::Sandbox::User");
+ std::string const systemTemp = GetTempDir(SandboxUser);
+ char tmpname[100];
+ snprintf(tmpname, sizeof(tmpname), "%s/apt-changelog-XXXXXX", systemTemp.c_str());
+ if (NULL == mkdtemp(tmpname))
+ {
+ _error->Errno("mkdtemp", "mkdtemp failed in changelog acquire of %s %s", SrcName.c_str(), SrcVersion.c_str());
+ Status = StatError;
+ return;
+ }
+ DestFile = TemporaryDirectory = tmpname;
+
+ ChangeOwnerAndPermissionOfFile("Item::QueueURI", DestFile.c_str(),
+ SandboxUser.c_str(), "root", 0700);
+ }
+ else
+ DestFile = DestDir;
+
+ if (DestFilename.empty())
+ DestFile = flCombine(DestFile, SrcName + ".changelog");
+ else
+ DestFile = flCombine(DestFile, DestFilename);
+
+ Desc.ShortDesc = "Changelog";
+ strprintf(Desc.Description, "%s %s %s Changelog", URI::SiteOnly(Desc.URI).c_str(), SrcName.c_str(), SrcVersion.c_str());
+ Desc.Owner = this;
+ QueueURI(Desc);
+}
+ /*}}}*/
+std::string pkgAcqChangelog::URI(pkgCache::VerIterator const &Ver) /*{{{*/
+{
+ char const * const SrcName = Ver.SourcePkgName();
+ char const * const SrcVersion = Ver.SourceVerStr();
+ pkgCache::PkgFileIterator PkgFile;
+ // find the first source for this version which promises a changelog
+ for (pkgCache::VerFileIterator VF = Ver.FileList(); VF.end() == false; ++VF)
+ {
+ pkgCache::PkgFileIterator const PF = VF.File();
+ if (PF.Flagged(pkgCache::Flag::NotSource) || PF->Release == 0)
+ continue;
+ PkgFile = PF;
+ pkgCache::RlsFileIterator const RF = PF.ReleaseFile();
+ std::string const uri = URI(RF, PF.Component(), SrcName, SrcVersion);
+ if (uri.empty())
+ continue;
+ return uri;
+ }
+ return "";
+}
+std::string pkgAcqChangelog::URITemplate(pkgCache::RlsFileIterator const &Rls)
+{
+ if (Rls.end() == true || (Rls->Label == 0 && Rls->Origin == 0))
+ return "";
+ std::string const serverConfig = "Acquire::Changelogs::URI";
+ std::string server;
+#define APT_EMPTY_SERVER \
+ if (server.empty() == false) \
+ { \
+ if (server != "no") \
+ return server; \
+ return ""; \
+ }
+#define APT_CHECK_SERVER(X, Y) \
+ if (Rls->X != 0) \
+ { \
+ std::string const specialServerConfig = serverConfig + "::" + Y + #X + "::" + Rls.X(); \
+ server = _config->Find(specialServerConfig); \
+ APT_EMPTY_SERVER \
+ }
+ // this way e.g. Debian-Security can fallback to Debian
+ APT_CHECK_SERVER(Label, "Override::")
+ APT_CHECK_SERVER(Origin, "Override::")
+
+ if (RealFileExists(Rls.FileName()))
+ {
+ _error->PushToStack();
+ FileFd rf;
+ /* This can be costly. A caller wanting to get millions of URIs might
+ want to do this on its own once and use Override settings.
+ We don't do this here as Origin/Label are not as unique as they
+ should be so this could produce request order-dependent anomalies */
+ if (OpenMaybeClearSignedFile(Rls.FileName(), rf) == true)
+ {
+ pkgTagFile TagFile(&rf, rf.Size());
+ pkgTagSection Section;
+ if (TagFile.Step(Section) == true)
+ server = Section.FindS("Changelogs");
+ }
+ _error->RevertToStack();
+ APT_EMPTY_SERVER
+ }
+
+ APT_CHECK_SERVER(Label, "")
+ APT_CHECK_SERVER(Origin, "")
+#undef APT_CHECK_SERVER
+#undef APT_EMPTY_SERVER
+ return "";
+}
+std::string pkgAcqChangelog::URI(pkgCache::RlsFileIterator const &Rls,
+ char const * const Component, char const * const SrcName,
+ char const * const SrcVersion)
+{
+ return URI(URITemplate(Rls), Component, SrcName, SrcVersion);
+}
+std::string pkgAcqChangelog::URI(std::string const &Template,
+ char const * const Component, char const * const SrcName,
+ char const * const SrcVersion)
+{
+ if (Template.find("@CHANGEPATH@") == std::string::npos)
+ return "";
+
+ // the path is: COMPONENT/SRC/SRCNAME/SRCNAME_SRCVER, e.g. main/a/apt/1.1 or contrib/liba/libapt/2.0
+ std::string Src = SrcName;
+ std::string path = APT::String::Startswith(SrcName, "lib") ? Src.substr(0, 4) : Src.substr(0,1);
+ path.append("/").append(Src).append("/");
+ path.append(Src).append("_").append(StripEpoch(SrcVersion));
+ // we omit component for releases without one (= flat-style repositories)
+ if (Component != NULL && strlen(Component) != 0)
+ path = std::string(Component) + "/" + path;
+
+ return SubstVar(Template, "@CHANGEPATH@", path);
+}
+ /*}}}*/
+// AcqChangelog::Failed - Failure handler /*{{{*/
+void pkgAcqChangelog::Failed(string const &Message, pkgAcquire::MethodConfig const * const Cnf)
+{
+ Item::Failed(Message,Cnf);
+
+ std::string errText;
+ // TRANSLATOR: %s=%s is sourcename=sourceversion, e.g. apt=1.1
+ strprintf(errText, _("Changelog unavailable for %s=%s"), SrcName.c_str(), SrcVersion.c_str());
+
+ // Error is probably something techy like 404 Not Found
+ if (ErrorText.empty())
+ ErrorText = errText;
+ else
+ ErrorText = errText + " (" + ErrorText + ")";
+ return;
+}
+ /*}}}*/
+// AcqChangelog::Done - Item downloaded OK /*{{{*/
+void pkgAcqChangelog::Done(string const &Message,HashStringList const &CalcHashes,
+ pkgAcquire::MethodConfig const * const Cnf)
+{
+ Item::Done(Message,CalcHashes,Cnf);
+
+ Complete = true;
+}
+ /*}}}*/
+pkgAcqChangelog::~pkgAcqChangelog() /*{{{*/
+{
+ if (TemporaryDirectory.empty() == false)
+ {
+ RemoveFile("~pkgAcqChangelog", DestFile);
+ rmdir(TemporaryDirectory.c_str());
+ }
+}
+ /*}}}*/
// AcqFile::pkgAcqFile - Constructor /*{{{*/
pkgAcqFile::pkgAcqFile(pkgAcquire * const Owner,string const &URI, HashStringList const &Hashes,
unsigned long long const Size,string const &Dsc,string const &ShortDesc,
const string &DestDir, const string &DestFilename,
bool const IsIndexFile) :
- Item(Owner), IsIndexFile(IsIndexFile), ExpectedHashes(Hashes)
+ Item(Owner), d(NULL), IsIndexFile(IsIndexFile), ExpectedHashes(Hashes)
{
Retries = _config->FindI("Acquire::Retries",0);
{
// Hmm, the partial file is too big, erase it
if ((Size > 0) && (unsigned long long)Buf.st_size > Size)
- unlink(DestFile.c_str());
+ RemoveFile("pkgAcqFile", DestFile);
else
PartialSize = Buf.st_size;
}
{
Item::Done(Message,CalcHashes,Cnf);
- string FileName = LookupTag(Message,"Filename");
- if (FileName.empty() == true)
- {
- Status = StatError;
- ErrorText = "Method gave a blank filename";
- return;
- }
-
+ std::string const FileName = LookupTag(Message,"Filename");
Complete = true;
// The files timestamp matches
return;
// We have to copy it into place
- if (FileName != DestFile)
+ if (RealFileExists(DestFile.c_str()) == false)
{
Local = true;
if (_config->FindB("Acquire::Source-Symlinks",true) == false ||
if (lstat(DestFile.c_str(),&St) == 0)
{
if (S_ISLNK(St.st_mode) != 0)
- unlink(DestFile.c_str());
+ RemoveFile("pkgAcqFile::Done", DestFile);
}
// Symlink the file
_error->PushToStack();
_error->Errno("pkgAcqFile::Done", "Symlinking file %s failed", DestFile.c_str());
std::stringstream msg;
- _error->DumpErrors(msg);
+ _error->DumpErrors(msg, GlobalError::DEBUG, false);
_error->RevertToStack();
ErrorText = msg.str();
Status = StatError;
return "";
}
/*}}}*/
+pkgAcqFile::~pkgAcqFile() {}
projects / apt.git / blobdiff