}
/*}}}*/
-static bool MessageInsecureRepository(bool const isError, std::string const &msg)/*{{{*/
+static APT_NONNULL(2) bool MessageInsecureRepository(bool const isError, char const * const msg, std::string const &repo)/*{{{*/
{
+ std::string m;
+ strprintf(m, msg, repo.c_str());
if (isError)
{
- _error->Error("%s", msg.c_str());
+ _error->Error("%s", m.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->Warning("%s", m.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)
+ /*}}}*/
+// AllowInsecureRepositories /*{{{*/
+enum class InsecureType { UNSIGNED, WEAK, NORELEASE };
+static bool TargetIsAllowedToBe(IndexTarget const &Target, InsecureType const type)
{
- std::string m;
- strprintf(m, msg, repo.c_str());
- return MessageInsecureRepository(isError, m);
+ if (_config->FindB("Acquire::AllowInsecureRepositories"))
+ return true;
+
+ if (Target.OptionBool(IndexTarget::ALLOW_INSECURE))
+ return true;
+
+ switch (type)
+ {
+ case InsecureType::UNSIGNED: break;
+ case InsecureType::NORELEASE: break;
+ case InsecureType::WEAK:
+ if (_config->FindB("Acquire::AllowWeakRepositories"))
+ return true;
+ if (Target.OptionBool(IndexTarget::ALLOW_WEAK))
+ return true;
+ break;
+ }
+ return false;
}
- /*}}}*/
-static bool AllowInsecureRepositories(char const * const msg, std::string const &repo,/*{{{*/
+static bool APT_NONNULL(3, 4, 5) AllowInsecureRepositories(InsecureType const msg, std::string const &repo,
metaIndex const * const MetaIndexParser, pkgAcqMetaClearSig * const TransactionManager, pkgAcquire::Item * const I)
{
+ // we skip weak downgrades as its unlikely that a repository gets really weaker –
+ // its more realistic that apt got pickier in a newer version
+ if (msg != InsecureType::WEAK)
+ {
+ std::string const FinalInRelease = TransactionManager->GetFinalFilename();
+ std::string const FinalReleasegpg = FinalInRelease.substr(0, FinalInRelease.length() - strlen("InRelease")) + "Release.gpg";
+ if (RealFileExists(FinalReleasegpg) || RealFileExists(FinalInRelease))
+ {
+ char const * msgstr = nullptr;
+ switch (msg)
+ {
+ case InsecureType::UNSIGNED: msgstr = _("The repository '%s' is no longer signed."); break;
+ case InsecureType::NORELEASE: msgstr = _("The repository '%s' does no longer have a Release file."); break;
+ case InsecureType::WEAK: /* unreachable */ break;
+ }
+ if (_config->FindB("Acquire::AllowDowngradeToInsecureRepositories") ||
+ TransactionManager->Target.OptionBool(IndexTarget::ALLOW_DOWNGRADE_TO_INSECURE))
+ {
+ // meh, the users wants to take risks (we still mark the packages
+ // from this repository as unauthenticated)
+ _error->Warning(msgstr, repo.c_str());
+ _error->Warning(_("This is normally not allowed, but the option "
+ "Acquire::AllowDowngradeToInsecureRepositories was "
+ "given to override it."));
+ } else {
+ MessageInsecureRepository(true, msgstr, repo);
+ TransactionManager->AbortTransaction();
+ I->Status = pkgAcquire::Item::StatError;
+ return false;
+ }
+ }
+ }
+
if(MetaIndexParser->GetTrusted() == metaIndex::TRI_YES)
return true;
- if (_config->FindB("Acquire::AllowInsecureRepositories") == true)
+ char const * msgstr = nullptr;
+ switch (msg)
+ {
+ case InsecureType::UNSIGNED: msgstr = _("The repository '%s' is not signed."); break;
+ case InsecureType::NORELEASE: msgstr = _("The repository '%s' does not have a Release file."); break;
+ case InsecureType::WEAK: msgstr = _("The repository '%s' provides only weak security information."); break;
+ }
+
+ if (TargetIsAllowedToBe(TransactionManager->Target, msg) == true)
{
- MessageInsecureRepository(false, msg, repo);
+ MessageInsecureRepository(false, msgstr, repo);
return true;
}
- MessageInsecureRepository(true, msg, repo);
+ MessageInsecureRepository(true, msgstr, repo);
TransactionManager->AbortTransaction();
I->Status = pkgAcquire::Item::StatError;
return false;
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 &&
- TransactionManager->MetaIndexParser->GetLoadedSuccessfully() == metaIndex::TRI_YES;
+ if (TransactionManager->MetaIndexParser->GetLoadedSuccessfully() != metaIndex::TRI_YES)
+ return false;
+ if (TargetIsAllowedToBe(Target, InsecureType::WEAK))
+ {
+ /* If we allow weak hashes, we check that we have some (weak) and then
+ declare hashes not needed. That will tip us in the right direction
+ as if hashes exist, they will be used, even if not required */
+ auto const hsl = GetExpectedHashes();
+ if (hsl.usable())
+ return true;
+ if (hsl.empty() == false)
+ return false;
+ }
+ return true;
}
HashStringList pkgAcqTransactionItem::GetExpectedHashes() const
{
return false;
}
std::string const FinalFile = GetFinalFilename();
- if (TransactionManager != NULL && TransactionManager->IMSHit == true &&
- FileExists(FinalFile) == true)
+ if (TransactionManager->IMSHit == true && FileExists(FinalFile) == true)
{
PartialFile = DestFile = FinalFile;
Status = StatDone;
return false;
}
// If we got the InRelease file via a mirror, pick all indexes directly from this mirror, too
- if (TransactionManager != nullptr && TransactionManager->BaseURI.empty() == false &&
+ if (TransactionManager->BaseURI.empty() == false &&
URI::SiteOnly(Item.URI) != URI::SiteOnly(TransactionManager->BaseURI))
{
// this ensures we rewrite only once and only the first step
/*}}}*/
// Acquire::Item::Item - Constructor /*{{{*/
+class pkgAcquire::Item::Private
+{
+public:
+ std::vector<std::string> PastRedirections;
+};
APT_IGNORE_DEPRECATED_PUSH
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)
+ QueueCounter(0), ExpectedAdditionalItems(0), Owner(owner), d(new Private())
{
Owner->Add(this);
Status = StatIdle;
pkgAcquire::Item::~Item()
{
Owner->Remove(this);
+ delete d;
}
/*}}}*/
std::string pkgAcquire::Item::Custom600Headers() const /*{{{*/
}
string const FailReason = LookupTag(Message, "FailReason");
- enum { MAXIMUM_SIZE_EXCEEDED, HASHSUM_MISMATCH, OTHER } failreason = OTHER;
+ enum { MAXIMUM_SIZE_EXCEEDED, HASHSUM_MISMATCH, WEAK_HASHSUMS, REDIRECTION_LOOP, OTHER } failreason = OTHER;
if ( FailReason == "MaximumSizeExceeded")
failreason = MAXIMUM_SIZE_EXCEEDED;
+ else if ( FailReason == "WeakHashSums")
+ failreason = WEAK_HASHSUMS;
+ else if (FailReason == "RedirectionLoop")
+ failreason = REDIRECTION_LOOP;
else if (Status == StatAuthError)
failreason = HASHSUM_MISMATCH;
if(ErrorText.empty())
{
+ std::ostringstream out;
+ switch (failreason)
+ {
+ case HASHSUM_MISMATCH:
+ out << _("Hash Sum mismatch") << std::endl;
+ break;
+ case WEAK_HASHSUMS:
+ out << _("Insufficient information available to perform this download securely") << std::endl;
+ break;
+ case REDIRECTION_LOOP:
+ out << "Redirection loop encountered" << std::endl;
+ break;
+ case MAXIMUM_SIZE_EXCEEDED:
+ out << LookupTag(Message, "Message") << std::endl;
+ break;
+ case OTHER:
+ out << LookupTag(Message, "Message");
+ break;
+ }
+
if (Status == StatAuthError)
{
- std::ostringstream out;
- switch (failreason)
- {
- case HASHSUM_MISMATCH:
- out << _("Hash Sum mismatch") << std::endl;
- break;
- case MAXIMUM_SIZE_EXCEEDED:
- case OTHER:
- out << LookupTag(Message, "Message") << std::endl;
- break;
- }
auto const ExpectedHashes = GetExpectedHashes();
if (ExpectedHashes.empty() == false)
{
out << "Hashes of expected file:" << std::endl;
for (auto const &hs: ExpectedHashes)
- out << " - " << hs.toStr() << std::endl;
+ {
+ out << " - " << hs.toStr();
+ if (hs.usable() == false)
+ out << " [weak]";
+ out << std::endl;
+ }
}
if (failreason == HASHSUM_MISMATCH)
{
std::string const tagname = std::string(*type) + "-Hash";
std::string const hashsum = LookupTag(Message, tagname.c_str());
if (hashsum.empty() == false)
- out << " - " << HashString(*type, hashsum).toStr() << std::endl;
+ {
+ auto const hs = HashString(*type, hashsum);
+ out << " - " << hs.toStr();
+ if (hs.usable() == false)
+ out << " [weak]";
+ out << std::endl;
+ }
}
out << "Last modification reported: " << LookupTag(Message, "Last-Modified", "<none>") << std::endl;
}
- ErrorText = out.str();
}
- else
- ErrorText = LookupTag(Message,"Message");
+ ErrorText = out.str();
}
switch (failreason)
{
case MAXIMUM_SIZE_EXCEEDED: RenameOnError(MaximumSizeExceeded); break;
case HASHSUM_MISMATCH: RenameOnError(HashSumMismatch); break;
+ case WEAK_HASHSUMS: break;
+ case REDIRECTION_LOOP: break;
case OTHER: break;
}
return hs != NULL ? hs->toStr() : "";
}
/*}}}*/
+bool pkgAcquire::Item::IsRedirectionLoop(std::string const &NewURI) /*{{{*/
+{
+ if (d->PastRedirections.empty())
+ {
+ d->PastRedirections.push_back(NewURI);
+ return false;
+ }
+ auto const LastURI = std::prev(d->PastRedirections.end());
+ // redirections to the same file are a way of restarting/resheduling,
+ // individual methods will have to make sure that they aren't looping this way
+ if (*LastURI == NewURI)
+ return false;
+ if (std::find(d->PastRedirections.begin(), LastURI, NewURI) != LastURI)
+ return true;
+ d->PastRedirections.push_back(NewURI);
+ return false;
+}
+ /*}}}*/
pkgAcqTransactionItem::pkgAcqTransactionItem(pkgAcquire * const Owner, /*{{{*/
pkgAcqMetaClearSig * const transactionManager, IndexTarget const &target) :
// AcqMetaBase - Constructor /*{{{*/
pkgAcqMetaBase::pkgAcqMetaBase(pkgAcquire * const Owner,
pkgAcqMetaClearSig * const TransactionManager,
- std::vector<IndexTarget> const &IndexTargets,
IndexTarget const &DataTarget)
: pkgAcqTransactionItem(Owner, TransactionManager, DataTarget), d(NULL),
- IndexTargets(IndexTargets),
AuthPass(false), IMSHit(false), State(TransactionStarted)
{
}
{
case TransactionStarted: break;
case TransactionAbort: _error->Fatal("Transaction %s was already aborted and is aborted again", TransactionManager->Target.URI.c_str()); return;
- case TransactionCommit: _error->Fatal("Transaction %s was already aborted and is now commited", TransactionManager->Target.URI.c_str()); return;
+ case TransactionCommit: _error->Fatal("Transaction %s was already aborted and is now committed", TransactionManager->Target.URI.c_str()); return;
}
TransactionManager->State = TransactionAbort;
switch (TransactionManager->State)
{
case TransactionStarted: break;
- case TransactionAbort: _error->Fatal("Transaction %s was already commited and is now aborted", TransactionManager->Target.URI.c_str()); return;
- case TransactionCommit: _error->Fatal("Transaction %s was already commited and is again commited", TransactionManager->Target.URI.c_str()); return;
+ case TransactionAbort: _error->Fatal("Transaction %s was already committed and is now aborted", TransactionManager->Target.URI.c_str()); return;
+ case TransactionCommit: _error->Fatal("Transaction %s was already committed and is again committed", TransactionManager->Target.URI.c_str()); return;
}
TransactionManager->State = TransactionCommit;
string const FinalFile = GetFinalFilename();
struct stat Buf;
if (stat(FinalFile.c_str(),&Buf) == 0)
- Header += "\nLast-Modified: " + TimeRFC1123(Buf.st_mtime);
+ Header += "\nLast-Modified: " + TimeRFC1123(Buf.st_mtime, false);
return Header;
}
{
// for simplicity, the transaction manager is always InRelease
// even if it doesn't exist.
- if (TransactionManager != NULL)
- TransactionManager->IMSHit = true;
+ TransactionManager->IMSHit = true;
I->PartialFile = I->DestFile = I->GetFinalFilename();
}
// valid signature from a key in the trusted keyring. We
// perform additional verification of its contents, and use them
// to verify the indexes we are about to download
+ if (_config->FindB("Debug::pkgAcquire::Auth", false))
+ std::cerr << "Signature verification succeeded: " << DestFile << std::endl;
if (TransactionManager->IMSHit == false)
{
LoadLastMetaIndexParser(TransactionManager, FinalRelease, FinalInRelease);
}
- if (TransactionManager->MetaIndexParser->Load(DestFile, &ErrorText) == false)
+ bool const GoodAuth = TransactionManager->MetaIndexParser->Load(DestFile, &ErrorText);
+ if (GoodAuth == false && AllowInsecureRepositories(InsecureType::WEAK, Target.Description, TransactionManager->MetaIndexParser, TransactionManager, this) == false)
{
Status = StatAuthError;
return false;
return false;
}
- if (_config->FindB("Debug::pkgAcquire::Auth", false))
- std::cerr << "Signature verification succeeded: "
- << DestFile << std::endl;
-
// Download further indexes with verification
- QueueIndexes(true);
+ TransactionManager->QueueIndexes(GoodAuth);
- return true;
+ return GoodAuth;
}
/*}}}*/
-void pkgAcqMetaBase::QueueIndexes(bool const verify) /*{{{*/
+void pkgAcqMetaClearSig::QueueIndexes(bool const verify) /*{{{*/
{
// at this point the real Items are loaded in the fetcher
ExpectedAdditionalItems = 0;
- 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)
- {
+ std::set<std::string> targetsSeen;
+ bool const hasReleaseFile = TransactionManager->MetaIndexParser != NULL;
+ bool const metaBaseSupportsByHash = hasReleaseFile && TransactionManager->MetaIndexParser->GetSupportsAcquireByHash();
+ bool hasHashes = true;
+ auto IndexTargets = TransactionManager->MetaIndexParser->GetIndexTargets();
+ if (hasReleaseFile && verify == false)
+ hasHashes = std::any_of(IndexTargets.begin(), IndexTargets.end(),
+ [&](IndexTarget const &Target) { return TransactionManager->MetaIndexParser->Exists(Target.MetaKey); });
+ for (auto&& Target: IndexTargets)
+ {
+ // if we have seen a target which is created-by a target this one here is declared a
+ // fallback to, we skip acquiring the fallback (but we make sure we clean up)
+ if (targetsSeen.find(Target.Option(IndexTarget::FALLBACK_OF)) != targetsSeen.end())
+ {
+ targetsSeen.emplace(Target.Option(IndexTarget::CREATED_BY));
+ new CleanupItem(Owner, TransactionManager, Target);
+ continue;
+ }
// 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")
+ if (hasReleaseFile && Target.Option(IndexTarget::ARCHITECTURE) == "all")
{
- if (TransactionManager->MetaIndexParser->IsArchitectureSupported("all") == false ||
- TransactionManager->MetaIndexParser->IsArchitectureAllSupportedFor(*Target) == false)
+ if (TransactionManager->MetaIndexParser->IsArchitectureAllSupportedFor(Target) == false)
{
- new CleanupItem(Owner, TransactionManager, *Target);
+ new CleanupItem(Owner, TransactionManager, Target);
continue;
}
}
- bool trypdiff = Target->OptionBool(IndexTarget::PDIFFS);
- if (verify == true)
+ bool trypdiff = Target.OptionBool(IndexTarget::PDIFFS);
+ if (hasReleaseFile == true)
{
- if (TransactionManager->MetaIndexParser->Exists(Target->MetaKey) == false)
+ if (TransactionManager->MetaIndexParser->Exists(Target.MetaKey) == false)
{
// optional targets that we do not have in the Release file are skipped
- if (Target->IsOptional)
+ if (hasHashes == true && Target.IsOptional)
{
- new CleanupItem(Owner, TransactionManager, *Target);
+ new CleanupItem(Owner, TransactionManager, Target);
continue;
}
- std::string const &arch = Target->Option(IndexTarget::ARCHITECTURE);
+ std::string const &arch = Target.Option(IndexTarget::ARCHITECTURE);
if (arch.empty() == false)
{
if (TransactionManager->MetaIndexParser->IsArchitectureSupported(arch) == false)
{
- new CleanupItem(Owner, TransactionManager, *Target);
+ new CleanupItem(Owner, TransactionManager, Target);
_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());
+ 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)
+ if (hasHashes == true && TransactionManager->MetaIndexParser->IsArchitectureSupported("*undefined*") == false)
{
- new CleanupItem(Owner, TransactionManager, *Target);
+ new CleanupItem(Owner, TransactionManager, Target);
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;
+ if (hasHashes == true)
+ {
+ 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
+ {
+ new pkgAcqIndex(Owner, TransactionManager, Target);
+ continue;
+ }
}
- else
+ else if (verify)
{
- auto const hashes = GetExpectedHashesFor(Target->MetaKey);
+ auto const hashes = GetExpectedHashesFor(Target.MetaKey);
if (hashes.empty() == false)
{
- if (hashes.usable() == false)
+ if (hashes.usable() == false && TargetIsAllowedToBe(TransactionManager->Target, InsecureType::WEAK) == false)
{
- new CleanupItem(Owner, TransactionManager, *Target);
+ new CleanupItem(Owner, TransactionManager, Target);
_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());
+ Target.MetaKey.c_str(), TransactionManager->Target.Description.c_str());
continue;
}
// empty files are skipped as acquiring the very small compressed files is a waste of time
else if (hashes.FileSize() == 0)
{
- new CleanupItem(Owner, TransactionManager, *Target);
+ new CleanupItem(Owner, TransactionManager, Target);
+ targetsSeen.emplace(Target.Option(IndexTarget::CREATED_BY));
continue;
}
}
}
// autoselect the compression method
- std::vector<std::string> types = VectorizeString(Target->Option(IndexTarget::COMPRESSIONTYPES), ' ');
+ 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(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);
+ std::string const useByHashConf = Target.Option(IndexTarget::BY_HASH);
bool useByHash = false;
if(useByHashConf == "force")
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();
+ Target.Options["COMPRESSIONTYPES"] = os.str();
}
else
- Target->Options["COMPRESSIONTYPES"].clear();
+ Target.Options["COMPRESSIONTYPES"].clear();
- std::string filename = GetExistingFilename(GetFinalFileNameFromURI(Target->URI));
+ std::string filename = GetExistingFilename(GetFinalFileNameFromURI(Target.URI));
if (filename.empty() == false)
{
// if the Release file is a hit and we have an index it must be the current one
// 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);
+ HashStringList const newFile = GetExpectedHashesFromFor(TransactionManager->MetaIndexParser, Target.MetaKey);
+ HashStringList const oldFile = GetExpectedHashesFromFor(TransactionManager->LastMetaIndexParser, Target.MetaKey);
if (newFile != oldFile)
filename.clear();
}
if (filename.empty() == false)
{
- new NoActionItem(Owner, *Target, filename);
- std::string const idxfilename = GetFinalFileNameFromURI(GetDiffIndexURI(*Target));
+ new NoActionItem(Owner, Target, filename);
+ std::string const idxfilename = GetFinalFileNameFromURI(GetDiffIndexURI(Target));
if (FileExists(idxfilename))
- new NoActionItem(Owner, *Target, idxfilename);
+ new NoActionItem(Owner, Target, idxfilename);
+ targetsSeen.emplace(Target.Option(IndexTarget::CREATED_BY));
continue;
}
// check if we have patches available
- trypdiff &= TransactionManager->MetaIndexParser->Exists(GetDiffIndexFileName(Target->MetaKey));
+ trypdiff &= TransactionManager->MetaIndexParser->Exists(GetDiffIndexFileName(Target.MetaKey));
}
else
{
// if we have no file to patch, no point in trying
- trypdiff &= (GetExistingFilename(GetFinalFileNameFromURI(Target->URI)).empty() == false);
+ trypdiff &= (GetExistingFilename(GetFinalFileNameFromURI(Target.URI)).empty() == false);
}
// no point in patching from local sources
if (trypdiff)
{
- std::string const proto = Target->URI.substr(0, strlen("file:/"));
+ 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, …)
+ targetsSeen.emplace(Target.Option(IndexTarget::CREATED_BY));
if (trypdiff)
- new pkgAcqDiffIndex(Owner, TransactionManager, *Target);
+ new pkgAcqDiffIndex(Owner, TransactionManager, Target);
else
- new pkgAcqIndex(Owner, TransactionManager, *Target);
+ new pkgAcqIndex(Owner, TransactionManager, Target);
}
}
/*}}}*/
pkgAcqMetaClearSig::pkgAcqMetaClearSig(pkgAcquire * const Owner, /*{{{*/
IndexTarget const &ClearsignedTarget,
IndexTarget const &DetachedDataTarget, IndexTarget const &DetachedSigTarget,
- std::vector<IndexTarget> const &IndexTargets,
metaIndex * const MetaIndexParser) :
- pkgAcqMetaIndex(Owner, this, ClearsignedTarget, DetachedSigTarget, IndexTargets),
- d(NULL), ClearsignedTarget(ClearsignedTarget),
- DetachedDataTarget(DetachedDataTarget),
+ pkgAcqMetaIndex(Owner, this, ClearsignedTarget, DetachedSigTarget),
+ d(NULL), DetachedDataTarget(DetachedDataTarget),
MetaIndexParser(MetaIndexParser), LastMetaIndexParser(NULL)
{
// index targets + (worst case:) Release/Release.gpg
- ExpectedAdditionalItems = IndexTargets.size() + 2;
+ ExpectedAdditionalItems = std::numeric_limits<decltype(ExpectedAdditionalItems)>::max();
TransactionManager->Add(this);
}
/*}}}*/
{
if(_config->FindB("Debug::Acquire::Transaction", false) == true)
std::clog << "Finished: " << DestFile <<std::endl;
- if(TransactionManager != NULL && TransactionManager->State == TransactionStarted &&
+ if(TransactionManager->State == TransactionStarted &&
TransactionManager->TransactionHasError() == false)
TransactionManager->CommitTransaction();
}
new NoActionItem(Owner, DetachedSigTarget);
}
}
+ else if (Status != StatAuthError)
+ {
+ string const FinalFile = GetFinalFileNameFromURI(DetachedDataTarget.URI);
+ string const OldFile = GetFinalFilename();
+ if (TransactionManager->IMSHit == false)
+ TransactionManager->TransactionStageCopy(this, DestFile, FinalFile);
+ else if (RealFileExists(OldFile) == false)
+ new NoActionItem(Owner, DetachedDataTarget);
+ else
+ TransactionManager->TransactionStageCopy(this, OldFile, FinalFile);
+ }
}
/*}}}*/
void pkgAcqMetaClearSig::Failed(string const &Message,pkgAcquire::MethodConfig const * const Cnf) /*{{{*/
{
Item::Failed(Message, Cnf);
- // we failed, we will not get additional items from this method
- ExpectedAdditionalItems = 0;
-
if (AuthPass == false)
{
if (Status == StatAuthError || Status == StatTransientNetworkError)
TransactionManager->TransactionStageRemoval(this, GetFinalFilename());
Status = StatDone;
- new pkgAcqMetaIndex(Owner, TransactionManager, DetachedDataTarget, DetachedSigTarget, IndexTargets);
+ new pkgAcqMetaIndex(Owner, TransactionManager, DetachedDataTarget, DetachedSigTarget);
}
else
{
if(CheckStopAuthentication(this, Message))
return;
- // No Release file was present, or verification failed, so fall
- // back to queueing Packages files without verification
- // 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)
+ if(AllowInsecureRepositories(InsecureType::UNSIGNED, Target.Description, TransactionManager->MetaIndexParser, TransactionManager, this) == true)
{
Status = StatDone;
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);
+ TransactionManager->QueueIndexes(true);
}
}
}
pkgAcqMetaIndex::pkgAcqMetaIndex(pkgAcquire * const Owner, /*{{{*/
pkgAcqMetaClearSig * const TransactionManager,
IndexTarget const &DataTarget,
- IndexTarget const &DetachedSigTarget,
- vector<IndexTarget> const &IndexTargets) :
- pkgAcqMetaBase(Owner, TransactionManager, IndexTargets, DataTarget), d(NULL),
+ IndexTarget const &DetachedSigTarget) :
+ pkgAcqMetaBase(Owner, TransactionManager, DataTarget), d(NULL),
DetachedSigTarget(DetachedSigTarget)
{
if(_config->FindB("Debug::Acquire::Transaction", false) == true)
Desc.Owner = this;
Desc.ShortDesc = DataTarget.ShortDesc;
Desc.URI = DataTarget.URI;
-
- // we expect more item
- ExpectedAdditionalItems = IndexTargets.size();
QueueURI(Desc);
}
/*}}}*/
// No Release file was present so fall
// back to queueing Packages files without verification
// 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)
+ if(AllowInsecureRepositories(InsecureType::NORELEASE, Target.Description, TransactionManager->MetaIndexParser, TransactionManager, this) == true)
{
// ensure old Release files are removed
TransactionManager->TransactionStageRemoval(this, GetFinalFilename());
// queue without any kind of hashsum support
- QueueIndexes(false);
+ TransactionManager->QueueIndexes(false);
}
}
/*}}}*/
TransactionManager->TransactionStageCopy(MetaIndex, MetaIndex->DestFile, MetaIndex->GetFinalFilename());
}
}
+ else if (MetaIndex->Status != StatAuthError)
+ {
+ std::string const FinalFile = MetaIndex->GetFinalFilename();
+ if (TransactionManager->IMSHit == false)
+ TransactionManager->TransactionStageCopy(MetaIndex, MetaIndex->DestFile, FinalFile);
+ else
+ TransactionManager->TransactionStageCopy(MetaIndex, FinalFile, FinalFile);
+ }
}
/*}}}*/
void pkgAcqMetaSig::Failed(string const &Message,pkgAcquire::MethodConfig const * const Cnf)/*{{{*/
if (MetaIndex->AuthPass == true && MetaIndex->CheckStopAuthentication(this, Message))
return;
- string const FinalRelease = MetaIndex->GetFinalFilename();
- string const FinalReleasegpg = GetFinalFilename();
- string const FinalInRelease = TransactionManager->GetFinalFilename();
-
- if (RealFileExists(FinalReleasegpg) || RealFileExists(FinalInRelease))
- {
- std::string downgrade_msg;
- strprintf(downgrade_msg, _("The repository '%s' is no longer signed."),
- MetaIndex->Target.Description.c_str());
- if(_config->FindB("Acquire::AllowDowngradeToInsecureRepositories"))
- {
- // meh, the users wants to take risks (we still mark the packages
- // from this repository as unauthenticated)
- _error->Warning("%s", downgrade_msg.c_str());
- _error->Warning(_("This is normally not allowed, but the option "
- "Acquire::AllowDowngradeToInsecureRepositories was "
- "given to override it."));
- Status = StatDone;
- } else {
- MessageInsecureRepository(true, downgrade_msg);
- if (TransactionManager->IMSHit == false)
- Rename(MetaIndex->DestFile, MetaIndex->DestFile + ".FAILED");
- Item::Failed("Message: " + downgrade_msg, Cnf);
- TransactionManager->AbortTransaction();
- return;
- }
- }
-
// ensures that a Release.gpg file in the lists/ is removed by the transaction
TransactionManager->TransactionStageRemoval(this, DestFile);
// 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 (AllowInsecureRepositories(InsecureType::UNSIGNED, MetaIndex->Target.Description, TransactionManager->MetaIndexParser, TransactionManager, this) == true)
{
+ string const FinalRelease = MetaIndex->GetFinalFilename();
+ string const FinalInRelease = TransactionManager->GetFinalFilename();
LoadLastMetaIndexParser(TransactionManager, FinalRelease, FinalInRelease);
// we parse the indexes here because at this point the user wanted
if (MetaIndex->VerifyVendor(Message) == false)
/* expired Release files are still a problem you need extra force for */;
else
- MetaIndex->QueueIndexes(GoodLoad);
+ TransactionManager->QueueIndexes(GoodLoad);
- TransactionManager->TransactionStageCopy(MetaIndex, MetaIndex->DestFile, MetaIndex->GetFinalFilename());
+ TransactionManager->TransactionStageCopy(MetaIndex, MetaIndex->DestFile, FinalRelease);
}
+ else if (TransactionManager->IMSHit == false)
+ Rename(MetaIndex->DestFile, MetaIndex->DestFile + ".FAILED");
// FIXME: this is used often (e.g. in pkgAcqIndexTrans) so refactor
if (Cnf->LocalOnly == true ||
void pkgAcqBaseIndex::Failed(std::string const &Message,pkgAcquire::MethodConfig const * const Cnf)/*{{{*/
{
pkgAcquire::Item::Failed(Message, Cnf);
- if (TransactionManager == nullptr || TransactionManager->MetaIndexParser == nullptr ||
- Status != StatAuthError)
+ if (Status != StatAuthError)
return;
ErrorText.append("Release file created at: ");
if (timespec == 0)
ErrorText.append("<unknown>");
else
- ErrorText.append(TimeRFC1123(timespec));
+ ErrorText.append(TimeRFC1123(timespec, true));
ErrorText.append("\n");
}
/*}}}*/
IndexTarget const &Target)
: pkgAcqBaseIndex(Owner, TransactionManager, Target), d(NULL), diffs(NULL)
{
+ // FIXME: Magic number as an upper bound on pdiffs we will reasonably acquire
+ ExpectedAdditionalItems = 40;
+
Debug = _config->FindB("Debug::pkgAcquire::Diffs",false);
Desc.Owner = this;
if (stat(Final.c_str(),&Buf) != 0)
return "\nIndex-File: true";
- return "\nIndex-File: true\nLast-Modified: " + TimeRFC1123(Buf.st_mtime);
+ return "\nIndex-File: true\nLast-Modified: " + TimeRFC1123(Buf.st_mtime, false);
}
/*}}}*/
void pkgAcqDiffIndex::QueueOnIMSHit() const /*{{{*/
new pkgAcqIndexDiffs(Owner, TransactionManager, Target);
}
/*}}}*/
+static bool RemoveFileForBootstrapLinking(bool const Debug, std::string const &For, std::string const &Boot)/*{{{*/
+{
+ if (FileExists(Boot) && RemoveFile("Bootstrap-linking", Boot) == false)
+ {
+ if (Debug)
+ std::clog << "Bootstrap-linking for patching " << For
+ << " by removing stale " << Boot << " failed!" << std::endl;
+ return false;
+ }
+ return true;
+}
+ /*}}}*/
bool pkgAcqDiffIndex::ParseDiffIndex(string const &IndexDiffFile) /*{{{*/
{
+ ExpectedAdditionalItems = 0;
// failing here is fine: our caller will take care of trying to
// get the complete file if patching fails
if(Debug)
HashStringList ServerHashes;
unsigned long long ServerSize = 0;
+ auto const &posix = std::locale("C.UTF-8");
for (char const * const * type = HashString::SupportedHashes(); *type != NULL; ++type)
{
std::string tagname = *type;
string hash;
unsigned long long size;
std::stringstream ss(tmp);
+ ss.imbue(posix);
ss >> hash >> size;
if (unlikely(hash.empty() == true))
continue;
string hash, filename;
unsigned long long size;
std::stringstream ss(tmp);
+ ss.imbue(posix);
while (ss >> hash >> size >> filename)
{
string hash, filename;
unsigned long long size;
std::stringstream ss(tmp);
+ ss.imbue(posix);
while (ss >> hash >> size >> filename)
{
string hash, filename;
unsigned long long size;
std::stringstream ss(tmp);
+ ss.imbue(posix);
// FIXME: all of pdiff supports only .gz compressed patches
while (ss >> hash >> size >> filename)
// calculate the size of all patches we have to get
unsigned short const sizeLimitPercent = _config->FindI("Acquire::PDiffs::SizeLimit", 100);
- if (sizeLimitPercent > 0 && TransactionManager->MetaIndexParser != nullptr)
+ if (sizeLimitPercent > 0)
{
unsigned long long downloadSize = std::accumulate(available_patches.begin(),
available_patches.end(), 0llu, [](unsigned long long const T, DiffInfo const &I) {
if (unlikely(Final.empty())) // because we wouldn't be called in such a case
return false;
std::string const PartialFile = GetPartialFileNameFromURI(Target.URI);
- if (FileExists(PartialFile) && RemoveFile("Bootstrap-linking", PartialFile) == false)
- {
- if (Debug)
- std::clog << "Bootstrap-linking for patching " << CurrentPackagesFile
- << " by removing stale " << PartialFile << " failed!" << std::endl;
+ std::string const PatchedFile = GetKeepCompressedFileName(PartialFile + "-patched", Target);
+ if (RemoveFileForBootstrapLinking(Debug, CurrentPackagesFile, PartialFile) == false ||
+ RemoveFileForBootstrapLinking(Debug, CurrentPackagesFile, PatchedFile) == false)
return false;
- }
for (auto const &ext : APT::Configuration::getCompressorExtensions())
{
- std::string const Partial = PartialFile + ext;
- if (FileExists(Partial) && RemoveFile("Bootstrap-linking", Partial) == false)
- {
- if (Debug)
- std::clog << "Bootstrap-linking for patching " << CurrentPackagesFile
- << " by removing stale " << Partial << " failed!" << std::endl;
+ if (RemoveFileForBootstrapLinking(Debug, CurrentPackagesFile, PartialFile + ext) == false ||
+ RemoveFileForBootstrapLinking(Debug, CurrentPackagesFile, PatchedFile + ext) == false)
return false;
- }
}
std::string const Ext = Final.substr(CurrentPackagesFile.length());
std::string const Partial = PartialFile + Ext;
{
pkgAcqBaseIndex::Failed(Message,Cnf);
Status = StatDone;
+ ExpectedAdditionalItems = 0;
if(Debug)
std::clog << "pkgAcqDiffIndex failed: " << Desc.URI << " with " << Message << std::endl
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();
+ for (auto && hs : available_patches[0].result_hashes)
+ patchhashes << "\nStart-" << hs.HashType() << "-Hash: " << hs.HashValue();
+ for (auto && hs : available_patches[0].patch_hashes)
+ patchhashes << "\nPatch-0-" << hs.HashType() << "-Hash: " << hs.HashValue();
patchhashes << pkgAcqBaseIndex::Custom600Headers();
return patchhashes.str();
}
return pkgAcqBaseIndex::Custom600Headers();
std::ostringstream patchhashes;
unsigned int seen_patches = 0;
+ for (auto && hs : (*allPatches)[0]->patch.result_hashes)
+ patchhashes << "\nStart-" << hs.HashType() << "-Hash: " << hs.HashValue();
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();
+ patchhashes << "\nPatch-" << std::to_string(seen_patches) << "-" << hs->HashType() << "-Hash: " << hs->HashValue();
++seen_patches;
}
patchhashes << pkgAcqBaseIndex::Custom600Headers();
else if (CurrentCompressionExtension == "by-hash")
{
NextCompressionExtension(CurrentCompressionExtension, CompressionExtensions, true);
- if(unlikely(TransactionManager->MetaIndexParser == NULL || CurrentCompressionExtension.empty()))
+ if(unlikely(CurrentCompressionExtension.empty()))
return;
if (CurrentCompressionExtension != "uncompressed")
{
struct stat Buf;
if (stat(Final.c_str(),&Buf) == 0)
- msg += "\nLast-Modified: " + TimeRFC1123(Buf.st_mtime);
+ msg += "\nLast-Modified: " + TimeRFC1123(Buf.st_mtime, false);
}
if(Target.IsOptional)
projects / apt.git / blobdiff