#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/metaindex.h>
#include <apt-pkg/acquire.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 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 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 AllowInsecureRepositories(metaIndex const * const MetaIndexParser, pkgAcqMetaClearSig * const TransactionManager, pkgAcquire::Item * const I) /*{{{*/
+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)
{
- if(MetaIndexParser->GetTrusted() == metaIndex::TRI_YES || _config->FindB("Acquire::AllowInsecureRepositories") == true)
+ 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;
+
+ if (_config->FindB("Acquire::AllowInsecureRepositories") == true)
+ {
+ MessageInsecureRepository(false, msg, repo);
return true;
+ }
- _error->Error(_("Use --allow-insecure-repositories to force the update"));
+ MessageInsecureRepository(true, msg, repo);
TransactionManager->AbortTransaction();
I->Status = pkgAcquire::Item::StatError;
return false;
Only repositories without a Release file can (obviously) not have
hashes – and they are very uncommon and strongly discouraged */
return TransactionManager->MetaIndexParser != NULL &&
- TransactionManager->MetaIndexParser->GetLoadedSuccessfully() != metaIndex::TRI_UNSET;
+ TransactionManager->MetaIndexParser->GetLoadedSuccessfully() == metaIndex::TRI_YES;
}
HashStringList pkgAcqTransactionItem::GetExpectedHashes() const
{
} 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;
break;
case TransactionAbort:
std::string const Partial = GetPartialFileNameFromURI(Target.URI);
- unlink(Partial.c_str());
+ RemoveFile("TransactionAbort", Partial);
break;
}
{
IndexTarget const Target;
public:
- virtual std::string DescURI() const {return Target.URI;};
- virtual HashStringList GetExpectedHashes() const {return HashStringList();};
+ 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;
+ }
};
/*}}}*/
{
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..
- UsedMirror = LookupTag(Message,"UsedMirror");
if (FileSize == 0)
{
unsigned long long const downloadedSize = Hashes.FileSize();
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
_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"),
// 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;
- }
-
+ std::string const FileName = LookupTag(Message,"Filename");
if (FileName != I->DestFile && RealFileExists(I->DestFile) == false)
{
I->Local = true;
if (RealFileExists(FinalFile) && Hashes.VerifyFile(FinalFile) == true)
{
IMSHit = true;
- unlink(I->DestFile.c_str());
+ RemoveFile("CheckDownloadDone", I->DestFile);
}
}
// at this point the real Items are loaded in the fetcher
ExpectedAdditionalItems = 0;
- for (std::vector <IndexTarget>::const_iterator Target = IndexTargets.begin();
+ 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)
{
- bool trypdiff = _config->FindB("Acquire::PDiffs", true);
+ // 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)
{
if (TransactionManager->MetaIndexParser->Exists(Target->MetaKey) == false)
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;
+ }
+ }
- if (RealFileExists(GetFinalFileNameFromURI(Target->URI)))
+ // 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)
{
- if (TransactionManager->LastMetaIndexParser != NULL)
+ 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)
- {
- // we have the file already, no point in trying to acquire it again
- new NoActionItem(Owner, *Target);
- continue;
- }
+ 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;
+ }
+
// check if we have patches available
trypdiff &= TransactionManager->MetaIndexParser->Exists(Target->MetaKey + ".diff/Index");
}
- // if we have no file to patch, no point in trying
- trypdiff &= RealFileExists(GetFinalFileNameFromURI(Target->URI));
+ 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);
+ }
// no point in patching from local sources
if (trypdiff)
TransactionManager->LastMetaIndexParser->GetDate() > TransactionManager->MetaIndexParser->GetDate())
{
TransactionManager->IMSHit = true;
- unlink(DestFile.c_str());
+ RemoveFile("VerifyVendor", DestFile);
PartialFile = DestFile = GetFinalFilename();
// 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.
return Header;
}
/*}}}*/
+bool pkgAcqMetaClearSig::VerifyDone(std::string const &Message, /*{{{*/
+ pkgAcquire::MethodConfig const * const Cnf)
+{
+ Item::VerifyDone(Message, Cnf);
+
+ 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,
{
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)
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)
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;
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."), Target.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());
// 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)
"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->Target.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))
{
// 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, &ErrorText) == 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());
}
/* 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;
LocalHashes = GetExpectedHashesFromFor(TransactionManager->LastMetaIndexParser, Target.MetaKey);
if (LocalHashes.usable() == false)
{
- FileFd fd(CurrentPackagesFile, FileFd::ReadOnly);
+ FileFd fd(CurrentPackagesFile, FileFd::ReadOnly, FileFd::Auto);
Hashes LocalHashesCalc(ServerHashes);
LocalHashesCalc.AddFD(fd);
LocalHashes = LocalHashesCalc.GetHashStringList();
std::clog << "Server-Current: " << ServerHashes.find(NULL)->toStr() << " and we start at "
<< 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;
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;
}
}
- for (char const * const * type = HashString::SupportedHashes(); *type != NULL; ++type)
+ for (auto type = types.crbegin(); type != types.crend(); ++type)
{
std::string tagname = *type;
tagname.append("-Download");
: 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);
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))
// 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();
// 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.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);
- 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
{
// remove the just applied patch
available_patches.erase(available_patches.begin());
- unlink(PatchFile.c_str());
+ RemoveFile("pkgAcqIndexDiffs::Done", PatchFile);
// move into place
if(Debug)
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);
- 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)
{
Rename(DestFile, GetMergeDiffsPatchFileName(FinalFile, patch.file));
// 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 const PartialFile = GetKeepCompressedFileName(GetPartialFileNameFromURI(Target.URI), Target);
std::string const patch = GetMergeDiffsPatchFileName(PartialFile, (*I)->patch.file);
- unlink(patch.c_str());
+ RemoveFile("pkgAcqIndexMergeDiffs::Done", patch);
}
- unlink(FinalFile.c_str());
+ RemoveFile("pkgAcqIndexMergeDiffs::Done", FinalFile);
// all set and done
Complete = true;
pkgAcqIndex::pkgAcqIndex(pkgAcquire * const Owner,
pkgAcqMetaClearSig * const TransactionManager,
IndexTarget const &Target)
- : pkgAcqBaseIndex(Owner, TransactionManager, Target), d(NULL), Stage(STAGE_DOWNLOAD)
+ : 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);
if(_config->FindB("Debug::Acquire::Transaction", false) == true)
<< 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 (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";
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 && 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 want compressed indexes, just copy in place for hash verification
- if (Target.KeepCompressed == true)
- {
- 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);
HashStringList const &,
pkgAcquire::MethodConfig const * const)
{
+ 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;
/* 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
+ std::string const FileName = LookupTag(Message,"Filename");
if (DestFile != FileName && RealFileExists(DestFile) == false)
{
StoreFilename = DestFile = FileName;
if (DestDir.empty())
{
- std::string const systemTemp = GetTempDir();
+ 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))
return;
}
DestFile = TemporaryDirectory = tmpname;
+
+ ChangeOwnerAndPermissionOfFile("Item::QueueURI", DestFile.c_str(),
+ SandboxUser.c_str(), "root", 0700);
}
else
DestFile = DestDir;
char const * const Component, char const * const SrcName,
char const * const SrcVersion)
{
- if (Template.find("CHANGEPATH") == std::string::npos)
+ 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
if (Component != NULL && strlen(Component) != 0)
path = std::string(Component) + "/" + path;
- return SubstVar(Template, "CHANGEPATH", path);
+ return SubstVar(Template, "@CHANGEPATH@", path);
}
/*}}}*/
// AcqChangelog::Failed - Failure handler /*{{{*/
{
if (TemporaryDirectory.empty() == false)
{
- unlink(DestFile.c_str());
+ RemoveFile("~pkgAcqChangelog", DestFile);
rmdir(TemporaryDirectory.c_str());
}
}
{
// 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
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;
projects / apt.git / blobdiff