#include <ctime>
#include <sstream>
#include <numeric>
+#include <random>
#include <apti18n.h>
/*}}}*/
}
/*}}}*/
-static bool MessageInsecureRepository(bool const isError, std::string const &msg)/*{{{*/
+static void ReportMirrorFailureToCentral(pkgAcquire::Item const &I, std::string const &FailCode, std::string const &Details)/*{{{*/
{
+ // we only act if a mirror was used at all
+ if(I.UsedMirror.empty())
+ return;
+#if 0
+ std::cerr << "\nReportMirrorFailure: "
+ << UsedMirror
+ << " Uri: " << DescURI()
+ << " FailCode: "
+ << FailCode << std::endl;
+#endif
+ string const report = _config->Find("Methods::Mirror::ProblemReporting",
+ LIBEXEC_DIR "/apt-report-mirror-failure");
+ if(!FileExists(report))
+ return;
+
+ std::vector<char const*> const Args = {
+ report.c_str(),
+ I.UsedMirror.c_str(),
+ I.DescURI().c_str(),
+ FailCode.c_str(),
+ Details.c_str(),
+ NULL
+ };
+
+ pid_t pid = ExecFork();
+ if(pid < 0)
+ {
+ _error->Error("ReportMirrorFailure Fork failed");
+ return;
+ }
+ else if(pid == 0)
+ {
+ execvp(Args[0], (char**)Args.data());
+ std::cerr << "Could not exec " << Args[0] << std::endl;
+ _exit(100);
+ }
+ if(!ExecWait(pid, "report-mirror-failure"))
+ _error->Warning("Couldn't report problem to '%s'", report.c_str());
+}
+ /*}}}*/
+
+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)
{
- MessageInsecureRepository(false, msg, repo);
+ 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, 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
{
for a hashsum mismatch to happen which helps nobody) */
bool pkgAcqTransactionItem::QueueURI(pkgAcquire::ItemDesc &Item)
{
+ if (TransactionManager->State != TransactionStarted)
+ {
+ if (_config->FindB("Debug::Acquire::Transaction", false))
+ std::clog << "Skip " << Target.URI << " as transaction was already dealt with!" << std::endl;
+ 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->BaseURI.empty() == false && UsedMirror.empty() &&
+ URI::SiteOnly(Item.URI) != URI::SiteOnly(TransactionManager->BaseURI))
+ {
+ // this ensures we rewrite only once and only the first step
+ auto const OldBaseURI = Target.Option(IndexTarget::BASE_URI);
+ if (OldBaseURI.empty() == false && APT::String::Startswith(Item.URI, OldBaseURI))
+ {
+ auto const ExtraPath = Item.URI.substr(OldBaseURI.length());
+ Item.URI = flCombine(TransactionManager->BaseURI, ExtraPath);
+ UsedMirror = TransactionManager->UsedMirror;
+ if (Item.Description.find(" ") != string::npos)
+ Item.Description.replace(0, Item.Description.find(" "), UsedMirror);
+ }
+ }
return pkgAcquire::Item::QueueURI(Item);
}
/* The transition manager InRelease itself (or its older sisters-in-law
}
std::string pkgAcqDiffIndex::GetFinalFilename() const
{
- return GetFinalFileNameFromURI(GetDiffIndexURI(Target));
+ std::string const FinalFile = GetFinalFileNameFromURI(GetDiffIndexURI(Target));
+ // we don't want recompress, so lets keep whatever we got
+ if (CurrentCompressionExtension == "uncompressed")
+ return FinalFile;
+ return FinalFile + "." + CurrentCompressionExtension;
}
std::string pkgAcqIndex::GetFinalFilename() const
{
}
std::string pkgAcqDiffIndex::GetMetaKey() const
{
- return GetDiffIndexFileName(Target.MetaKey);
+ auto const metakey = GetDiffIndexFileName(Target.MetaKey);
+ if (CurrentCompressionExtension == "uncompressed")
+ return metakey;
+ return metakey + "." + CurrentCompressionExtension;
}
/*}}}*/
//pkgAcqTransactionItem::TransactionState and specialisations for child classes /*{{{*/
} else {
if(Debug == true)
std::clog << "rm " << DestFile << " # " << DescURI() << std::endl;
- if (RemoveFile("TransactionCommit", DestFile) == false)
+ if (RemoveFile("TransItem::TransactionCommit", DestFile) == false)
return false;
}
break;
break;
case TransactionCommit:
if (EraseFileName.empty() == false)
- RemoveFile("TransactionCommit", EraseFileName);
+ RemoveFile("AcqIndex::TransactionCommit", EraseFileName);
break;
}
return true;
}
};
/*}}}*/
+class APT_HIDDEN CleanupItem : public pkgAcqTransactionItem /*{{{*/
+/* This class ensures that a file which was configured but isn't downloaded
+ for various reasons isn't kept in an old version in the lists directory.
+ In a way its the reverse of NoActionItem as it helps with removing files
+ even if the lists-cleanup is deactivated. */
+{
+ public:
+ virtual std::string DescURI() const APT_OVERRIDE {return Target.URI;};
+ virtual HashStringList GetExpectedHashes() const APT_OVERRIDE {return HashStringList();};
+
+ CleanupItem(pkgAcquire * const Owner, pkgAcqMetaClearSig * const TransactionManager, IndexTarget const &Target) :
+ pkgAcqTransactionItem(Owner, TransactionManager, Target)
+ {
+ Status = StatDone;
+ DestFile = GetFinalFileNameFromURI(Target.URI);
+ }
+ bool TransactionState(TransactionStates const state) APT_OVERRIDE
+ {
+ switch (state)
+ {
+ case TransactionStarted:
+ break;
+ case TransactionAbort:
+ break;
+ case TransactionCommit:
+ if (_config->FindB("Debug::Acquire::Transaction", false) == true)
+ std::clog << "rm " << DestFile << " # " << DescURI() << std::endl;
+ if (RemoveFile("TransItem::TransactionCommit", DestFile) == false)
+ return false;
+ break;
+ }
+ return true;
+ }
+};
+ /*}}}*/
// 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 /*{{{*/
// ---------------------------------------------------------------------
/* We return to an idle state if there are still other queues that could
fetch this object */
+static void formatHashsum(std::ostream &out, HashString const &hs)
+{
+ auto const type = hs.HashType();
+ if (type == "Checksum-FileSize")
+ out << " - Filesize";
+ else
+ out << " - " << type;
+ out << ':' << hs.HashValue();
+ if (hs.usable() == false)
+ out << " [weak]";
+ out << std::endl;
+}
void pkgAcquire::Item::Failed(string const &Message,pkgAcquire::MethodConfig const * const Cnf)
{
- if(ErrorText.empty())
- ErrorText = LookupTag(Message,"Message");
if (QueueCounter <= 1)
{
/* This indicates that the file is not available right now but might
}
string const FailReason = LookupTag(Message, "FailReason");
- if (FailReason == "MaximumSizeExceeded")
- RenameOnError(MaximumSizeExceeded);
+ 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)
- RenameOnError(HashSumMismatch);
+ 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)
+ {
+ auto const ExpectedHashes = GetExpectedHashes();
+ if (ExpectedHashes.empty() == false)
+ {
+ out << "Hashes of expected file:" << std::endl;
+ for (auto const &hs: ExpectedHashes)
+ formatHashsum(out, hs);
+ }
+ if (failreason == HASHSUM_MISMATCH)
+ {
+ out << "Hashes of received file:" << std::endl;
+ for (char const * const * type = HashString::SupportedHashes(); *type != NULL; ++type)
+ {
+ std::string const tagname = std::string(*type) + "-Hash";
+ std::string const hashsum = LookupTag(Message, tagname.c_str());
+ if (hashsum.empty() == false)
+ formatHashsum(out, HashString(*type, hashsum));
+ }
+ }
+ auto const lastmod = LookupTag(Message, "Last-Modified", "");
+ if (lastmod.empty() == false)
+ out << "Last modification reported: " << lastmod << std::endl;
+ }
+ 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;
+ }
- // report mirror failure back to LP if we actually use a mirror
if (FailReason.empty() == false)
- ReportMirrorFailure(FailReason);
+ ReportMirrorFailureToCentral(*this, FailReason, ErrorText);
else
- ReportMirrorFailure(ErrorText);
+ ReportMirrorFailureToCentral(*this, ErrorText, ErrorText);
if (QueueCounter > 1)
Status = StatIdle;
{
case HashSumMismatch:
errtext = _("Hash Sum mismatch");
- Status = StatAuthError;
- ReportMirrorFailure("HashChecksumFailure");
break;
case SizeMismatch:
errtext = _("Size mismatch");
Status = StatAuthError;
- ReportMirrorFailure("SizeFailure");
break;
case InvalidFormat:
errtext = _("Invalid file format");
break;
case MaximumSizeExceeded:
// the method is expected to report a good error for this
- Status = StatError;
break;
case PDiffError:
// no handling here, done by callers
}
/*}}}*/
// Acquire::Item::ReportMirrorFailure /*{{{*/
-void pkgAcquire::Item::ReportMirrorFailure(string const &FailCode)
+void pkgAcquire::Item::ReportMirrorFailure(std::string const &FailCode)
{
- // we only act if a mirror was used at all
- if(UsedMirror.empty())
- return;
-#if 0
- std::cerr << "\nReportMirrorFailure: "
- << UsedMirror
- << " Uri: " << DescURI()
- << " FailCode: "
- << FailCode << std::endl;
-#endif
- string report = _config->Find("Methods::Mirror::ProblemReporting",
- "/usr/lib/apt/apt-report-mirror-failure");
- if(!FileExists(report))
- return;
-
- std::vector<char const*> Args;
- Args.push_back(report.c_str());
- Args.push_back(UsedMirror.c_str());
- Args.push_back(DescURI().c_str());
- Args.push_back(FailCode.c_str());
- Args.push_back(NULL);
-
- pid_t pid = ExecFork();
- if(pid < 0)
- {
- _error->Error("ReportMirrorFailure Fork failed");
- return;
- }
- else if(pid == 0)
- {
- execvp(Args[0], (char**)Args.data());
- std::cerr << "Could not exec " << Args[0] << std::endl;
- _exit(100);
- }
- if(!ExecWait(pid, "report-mirror-failure"))
- {
- _error->Warning("Couldn't report problem to '%s'",
- _config->Find("Methods::Mirror::ProblemReporting").c_str());
- }
+ ReportMirrorFailureToCentral(*this, FailCode, FailCode);
}
/*}}}*/
std::string pkgAcquire::Item::HashSum() const /*{{{*/
return hs != NULL ? hs->toStr() : "";
}
/*}}}*/
+bool pkgAcquire::Item::IsRedirectionLoop(std::string const &NewURI) /*{{{*/
+{
+ // store can fail due to permission errors and the item will "loop" then
+ if (APT::String::Startswith(NewURI, "store:"))
+ return false;
+ 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;
+}
+ /*}}}*/
+int pkgAcquire::Item::Priority() /*{{{*/
+{
+ // Stage 1: Meta indices and diff indices
+ // - those need to be fetched first to have progress reporting working
+ // for the rest
+ if (dynamic_cast<pkgAcqMetaSig*>(this) != nullptr
+ || dynamic_cast<pkgAcqMetaBase*>(this) != nullptr
+ || dynamic_cast<pkgAcqDiffIndex*>(this) != nullptr)
+ return 1000;
+ // Stage 2: Diff files
+ // - fetch before complete indexes so we can apply the diffs while fetching
+ // larger files.
+ if (dynamic_cast<pkgAcqIndexDiffs*>(this) != nullptr ||
+ dynamic_cast<pkgAcqIndexMergeDiffs*>(this) != nullptr)
+ return 800;
+
+ // Stage 3: The rest - complete index files and other stuff
+ return 500;
+}
+ /*}}}*/
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;
for (std::vector<pkgAcqTransactionItem*>::iterator I = Transaction.begin();
I != Transaction.end(); ++I)
{
+ if ((*I)->Status != pkgAcquire::Item::StatFetching)
+ Owner->Dequeue(*I);
(*I)->TransactionState(TransactionAbort);
}
Transaction.clear();
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;
}
/*}}}*/
// AcqMetaBase::GenerateAuthWarning - Check gpg authentication error /*{{{*/
+/* This method is called from ::Failed handlers. If it returns true,
+ no fallback to other files or modi is performed */
bool pkgAcqMetaBase::CheckStopAuthentication(pkgAcquire::Item * const I, const std::string &Message)
{
- // FIXME: this entire function can do now that we disallow going to
- // a unauthenticated state and can cleanly rollback
-
string const Final = I->GetFinalFilename();
- if(FileExists(Final))
+ std::string const GPGError = LookupTag(Message, "Message");
+ if (FileExists(Final))
{
I->Status = StatTransientNetworkError;
- _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"),
- Desc.Description.c_str(),
- LookupTag(Message,"Message").c_str());
+ _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"),
+ Desc.Description.c_str(),
+ GPGError.c_str());
RunScripts("APT::Update::Auth-Failure");
return true;
} else if (LookupTag(Message,"Message").find("NODATA") != string::npos) {
/* Invalid signature file, reject (LP: #346386) (Closes: #627642) */
_error->Error(_("GPG error: %s: %s"),
- Desc.Description.c_str(),
- LookupTag(Message,"Message").c_str());
+ Desc.Description.c_str(),
+ GPGError.c_str());
I->Status = StatAuthError;
return true;
} else {
_error->Warning(_("GPG error: %s: %s"),
- Desc.Description.c_str(),
- LookupTag(Message,"Message").c_str());
+ Desc.Description.c_str(),
+ GPGError.c_str());
}
// gpgv method failed
- ReportMirrorFailure("GPGFailure");
+ ReportMirrorFailureToCentral(*this, "GPGFailure", GPGError);
return false;
}
/*}}}*/
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;
}
// We have just finished downloading a Release file (it is not
// verified yet)
+ // Save the final base URI we got this Release file from
+ if (I->UsedMirror.empty() == false && _config->FindB("Acquire::SameMirrorForAllIndexes", true))
+ {
+ if (APT::String::Endswith(I->Desc.URI, "InRelease"))
+ {
+ TransactionManager->BaseURI = I->Desc.URI.substr(0, I->Desc.URI.length() - strlen("InRelease"));
+ TransactionManager->UsedMirror = I->UsedMirror;
+ }
+ else if (APT::String::Endswith(I->Desc.URI, "Release"))
+ {
+ TransactionManager->BaseURI = I->Desc.URI.substr(0, I->Desc.URI.length() - strlen("Release"));
+ TransactionManager->UsedMirror = I->UsedMirror;
+ }
+ }
+
std::string const FileName = LookupTag(Message,"Filename");
if (FileName != I->DestFile && RealFileExists(I->DestFile) == false)
{
{
// 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); });
+ if (_config->FindB("Acquire::IndexTargets::Randomized", true) && likely(IndexTargets.empty() == false))
+ {
+ /* For fallback handling and to have some reasonable progress information
+ we can't randomize everything, but at least the order in the same type
+ can be as we shouldn't be telling the mirrors (and everyone else watching)
+ which is native/foreign arch, specific order of preference of translations, … */
+ auto range_start = IndexTargets.begin();
+ std::random_device rd;
+ std::default_random_engine g(rd());
+ do {
+ auto const type = range_start->Option(IndexTarget::CREATED_BY);
+ auto const range_end = std::find_if_not(range_start, IndexTargets.end(),
+ [&type](IndexTarget const &T) { return type == T.Option(IndexTarget::CREATED_BY); });
+ std::shuffle(range_start, range_end, g);
+ range_start = range_end;
+ } while (range_start != IndexTargets.end());
+ }
+ 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)
- continue;
- if (TransactionManager->MetaIndexParser->IsArchitectureAllSupportedFor(*Target) == false)
+ if (TransactionManager->MetaIndexParser->IsArchitectureAllSupportedFor(Target) == false)
+ {
+ 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);
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);
_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);
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);
- if (hashes.usable() == false && hashes.empty() == false)
+ auto const hashes = GetExpectedHashesFor(Target.MetaKey);
+ if (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 (hashes.usable() == false && TargetIsAllowedToBe(TransactionManager->Target, InsecureType::WEAK) == false)
+ {
+ 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());
+ 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);
+ 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);
}
}
/*}}}*/
-bool pkgAcqMetaBase::VerifyVendor(string const &Message) /*{{{*/
+bool pkgAcqMetaBase::VerifyVendor(string const &) /*{{{*/
{
- string::size_type pos;
-
- // check for missing sigs (that where not fatal because otherwise we had
- // bombed earlier)
- string missingkeys;
- string msg = _("There is no public key available for the "
- "following key IDs:\n");
- pos = Message.find("NO_PUBKEY ");
- if (pos != std::string::npos)
- {
- string::size_type start = pos+strlen("NO_PUBKEY ");
- string Fingerprint = Message.substr(start, Message.find("\n")-start);
- missingkeys += (Fingerprint);
- }
- if(!missingkeys.empty())
- _error->Warning("%s", (msg + missingkeys).c_str());
-
- string Transformed = TransactionManager->MetaIndexParser->GetExpectedDist();
-
- if (Transformed == "../project/experimental")
- {
- Transformed = "experimental";
- }
-
- pos = Transformed.rfind('/');
- if (pos != string::npos)
- {
- Transformed = Transformed.substr(0, pos);
- }
-
- if (Transformed == ".")
- {
- Transformed = "";
- }
-
if (TransactionManager->MetaIndexParser->GetValidUntil() > 0)
{
time_t const invalid_since = time(NULL) - TransactionManager->MetaIndexParser->GetValidUntil();
TransactionManager->LastMetaIndexParser = NULL;
}
- if (_config->FindB("Debug::pkgAcquire::Auth", false))
+ if (_config->FindB("Debug::pkgAcquire::Auth", false))
{
std::cerr << "Got Codename: " << TransactionManager->MetaIndexParser->GetCodename() << std::endl;
+ std::cerr << "Got Suite: " << TransactionManager->MetaIndexParser->GetSuite() << std::endl;
std::cerr << "Expecting Dist: " << TransactionManager->MetaIndexParser->GetExpectedDist() << std::endl;
- std::cerr << "Transformed Dist: " << Transformed << std::endl;
}
- if (TransactionManager->MetaIndexParser->CheckDist(Transformed) == false)
+ // One day that might become fatal…
+ auto const ExpectedDist = TransactionManager->MetaIndexParser->GetExpectedDist();
+ auto const NowCodename = TransactionManager->MetaIndexParser->GetCodename();
+ if (TransactionManager->MetaIndexParser->CheckDist(ExpectedDist) == false)
+ _error->Warning(_("Conflicting distribution: %s (expected %s but got %s)"),
+ Desc.Description.c_str(), ExpectedDist.c_str(), NowCodename.c_str());
+ // might be okay, might be not
+ if (TransactionManager->LastMetaIndexParser != nullptr)
{
- // This might become fatal one day
-// Status = StatAuthError;
-// ErrorText = "Conflicting distribution; expected "
-// + MetaIndexParser->GetExpectedDist() + " but got "
-// + 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->GetCodename().c_str());
- }
+ auto const LastCodename = TransactionManager->LastMetaIndexParser->GetCodename();
+ if (LastCodename.empty() == false && NowCodename.empty() == false && LastCodename != NowCodename)
+ _error->Warning(_("Conflicting distribution: %s (expected %s but got %s)"),
+ Desc.Description.c_str(), LastCodename.c_str(), NowCodename.c_str());
}
-
return true;
}
/*}}}*/
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);
}
}
/*}}}*/
}
else if(MetaIndex->CheckAuthDone(Message) == true)
{
- if (TransactionManager->IMSHit == false)
+ auto const Releasegpg = GetFinalFilename();
+ auto const Release = MetaIndex->GetFinalFilename();
+ // if this is an IMS-Hit on Release ensure we also have the the Release.gpg file stored
+ // (previously an unknown pubkey) – but only if the Release file exists locally (unlikely
+ // event of InRelease removed from the mirror causing fallback but still an IMS-Hit)
+ if (TransactionManager->IMSHit == false ||
+ (FileExists(Releasegpg) == false && FileExists(Release) == true))
{
- TransactionManager->TransactionStageCopy(this, DestFile, GetFinalFilename());
- TransactionManager->TransactionStageCopy(MetaIndex, MetaIndex->DestFile, MetaIndex->GetFinalFilename());
+ TransactionManager->TransactionStageCopy(this, DestFile, Releasegpg);
+ TransactionManager->TransactionStageCopy(MetaIndex, MetaIndex->DestFile, Release);
}
}
+ 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 ||
IndexTarget const &Target)
: pkgAcqTransactionItem(Owner, TransactionManager, Target), d(NULL)
{
+}
+ /*}}}*/
+void pkgAcqBaseIndex::Failed(std::string const &Message,pkgAcquire::MethodConfig const * const Cnf)/*{{{*/
+{
+ pkgAcquire::Item::Failed(Message, Cnf);
+ if (Status != StatAuthError)
+ return;
+
+ ErrorText.append("Release file created at: ");
+ auto const timespec = TransactionManager->MetaIndexParser->GetDate();
+ if (timespec == 0)
+ ErrorText.append("<unknown>");
+ else
+ ErrorText.append(TimeRFC1123(timespec, true));
+ ErrorText.append("\n");
}
/*}}}*/
pkgAcqBaseIndex::~pkgAcqBaseIndex() {}
pkgAcqDiffIndex::pkgAcqDiffIndex(pkgAcquire * const Owner,
pkgAcqMetaClearSig * const TransactionManager,
IndexTarget const &Target)
- : pkgAcqBaseIndex(Owner, TransactionManager, Target), d(NULL), diffs(NULL)
+ : pkgAcqIndex(Owner, TransactionManager, Target, true), 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;
- Desc.Description = GetDiffIndexFileName(Target.Description);
- Desc.ShortDesc = Target.ShortDesc;
- Desc.URI = GetDiffIndexURI(Target);
-
- DestFile = GetPartialFileNameFromURI(Desc.URI);
+ CompressionExtensions.clear();
+ {
+ std::vector<std::string> types = APT::Configuration::getCompressionTypes();
+ if (types.empty() == false)
+ {
+ std::ostringstream os;
+ std::copy_if(types.begin(), types.end()-1, std::ostream_iterator<std::string>(os, " "), [&](std::string const type) {
+ if (type == "uncompressed")
+ return true;
+ return TransactionManager->MetaIndexParser->Exists(GetDiffIndexFileName(Target.MetaKey) + '.' + type);
+ });
+ os << *types.rbegin();
+ CompressionExtensions = os.str();
+ }
+ }
+ if (Target.Option(IndexTarget::COMPRESSIONTYPES).find("by-hash") != std::string::npos)
+ CompressionExtensions = "by-hash " + CompressionExtensions;
+ Init(GetDiffIndexURI(Target), GetDiffIndexFileName(Target.Description), Target.ShortDesc);
if(Debug)
std::clog << "pkgAcqDiffIndex: " << Desc.URI << 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)
- std::clog << "Custom600Header-IMS: " << Final << std::endl;
-
- struct stat Buf;
- if (stat(Final.c_str(),&Buf) != 0)
- return "\nIndex-File: true";
-
- return "\nIndex-File: true\nLast-Modified: " + TimeRFC1123(Buf.st_mtime);
}
/*}}}*/
void pkgAcqDiffIndex::QueueOnIMSHit() const /*{{{*/
{
// list cleanup needs to know that this file as well as the already
// present index is ours, so we create an empty diff to save it for us
- new pkgAcqIndexDiffs(Owner, TransactionManager, Target);
+ new pkgAcqIndexDiffs(Owner, TransactionManager, Target, UsedMirror, Target.URI);
+}
+ /*}}}*/
+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)
std::clog << "pkgAcqDiffIndex::ParseIndexDiff() " << IndexDiffFile
<< std::endl;
- FileFd Fd(IndexDiffFile,FileFd::ReadOnly);
+ FileFd Fd(IndexDiffFile, FileFd::ReadOnly, FileFd::Extension);
pkgTagFile TF(&Fd);
if (Fd.IsOpen() == false || Fd.Failed())
return false;
HashStringList ServerHashes;
unsigned long long ServerSize = 0;
+ auto const &posix = std::locale::classic();
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;
}
}
+ std::string indexURI = Desc.URI;
+ auto const byhashidx = indexURI.find("/by-hash/");
+ if (byhashidx != std::string::npos)
+ indexURI = indexURI.substr(0, byhashidx - strlen(".diff"));
+ else
+ {
+ auto end = indexURI.length() - strlen(".diff/Index");
+ if (CurrentCompressionExtension != "uncompressed")
+ end -= (1 + CurrentCompressionExtension.length());
+ indexURI = indexURI.substr(0, end);
+ }
+
if (pdiff_merge == false)
- new pkgAcqIndexDiffs(Owner, TransactionManager, Target, available_patches);
+ new pkgAcqIndexDiffs(Owner, TransactionManager, Target, UsedMirror, indexURI, available_patches);
else
{
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,
+ Target, UsedMirror, indexURI,
available_patches[i],
diffs);
}
/*}}}*/
void pkgAcqDiffIndex::Failed(string const &Message,pkgAcquire::MethodConfig const * const Cnf)/*{{{*/
{
- Item::Failed(Message,Cnf);
+ if (CommonFailed(GetDiffIndexURI(Target), GetDiffIndexFileName(Target.Description), Message, Cnf))
+ return;
+
Status = StatDone;
+ ExpectedAdditionalItems = 0;
if(Debug)
std::clog << "pkgAcqDiffIndex failed: " << Desc.URI << " with " << Message << std::endl
pkgAcqIndexDiffs::pkgAcqIndexDiffs(pkgAcquire * const Owner,
pkgAcqMetaClearSig * const TransactionManager,
IndexTarget const &Target,
+ std::string const &indexUsedMirror, std::string const &indexURI,
vector<DiffInfo> const &diffs)
- : pkgAcqBaseIndex(Owner, TransactionManager, Target), d(NULL),
+ : pkgAcqBaseIndex(Owner, TransactionManager, Target), indexURI(indexURI),
available_patches(diffs)
{
DestFile = GetKeepCompressedFileName(GetPartialFileNameFromURI(Target.URI), Target);
Description = Target.Description;
Desc.ShortDesc = Target.ShortDesc;
+ UsedMirror = indexUsedMirror;
+ if (UsedMirror == "DIRECT")
+ UsedMirror.clear();
+ else if (UsedMirror.empty() == false && Description.find(" ") != string::npos)
+ Description.replace(0, Description.find(" "), UsedMirror);
+
if(available_patches.empty() == true)
{
// we are done (yeah!), check hashes against the final file
/*}}}*/
void pkgAcqIndexDiffs::Failed(string const &Message,pkgAcquire::MethodConfig const * const Cnf)/*{{{*/
{
- Item::Failed(Message,Cnf);
+ pkgAcqBaseIndex::Failed(Message,Cnf);
Status = StatDone;
DestFile = GetKeepCompressedFileName(GetPartialFileNameFromURI(Target.URI), Target);
}
// queue the right diff
- Desc.URI = Target.URI + ".diff/" + available_patches[0].file + ".gz";
+ Desc.URI = indexURI + ".diff/" + available_patches[0].file + ".gz";
Desc.Description = Description + " " + available_patches[0].file + string(".pdiff");
DestFile = GetKeepCompressedFileName(GetPartialFileNameFromURI(Target.URI + ".diff/" + available_patches[0].file), Target);
// see if there is more to download
if(available_patches.empty() == false)
{
- new pkgAcqIndexDiffs(Owner, TransactionManager, Target, available_patches);
+ new pkgAcqIndexDiffs(Owner, TransactionManager, Target, UsedMirror, indexURI, available_patches);
Finish();
} else {
DestFile = PatchedFile;
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();
}
pkgAcqIndexMergeDiffs::pkgAcqIndexMergeDiffs(pkgAcquire * const Owner,
pkgAcqMetaClearSig * const TransactionManager,
IndexTarget const &Target,
+ std::string const &indexUsedMirror, std::string const &indexURI,
DiffInfo const &patch,
std::vector<pkgAcqIndexMergeDiffs*> const * const allPatches)
- : pkgAcqBaseIndex(Owner, TransactionManager, Target), d(NULL),
- patch(patch), allPatches(allPatches), State(StateFetchDiff)
+ : pkgAcqBaseIndex(Owner, TransactionManager, Target), indexURI(indexURI),
+ patch(patch), allPatches(allPatches), State(StateFetchDiff)
{
Debug = _config->FindB("Debug::pkgAcquire::Diffs",false);
- Desc.Owner = this;
Description = Target.Description;
+ UsedMirror = indexUsedMirror;
+ if (UsedMirror == "DIRECT")
+ UsedMirror.clear();
+ else if (UsedMirror.empty() == false && Description.find(" ") != string::npos)
+ Description.replace(0, Description.find(" "), UsedMirror);
+
+ Desc.Owner = this;
Desc.ShortDesc = Target.ShortDesc;
- Desc.URI = Target.URI + ".diff/" + patch.file + ".gz";
+ Desc.URI = indexURI + ".diff/" + patch.file + ".gz";
Desc.Description = Description + " " + patch.file + ".pdiff";
- DestFile = GetPartialFileNameFromURI(Desc.URI);
+ DestFile = GetPartialFileNameFromURI(Target.URI + ".diff/" + patch.file + ".gz");
if(Debug)
std::clog << "pkgAcqIndexMergeDiffs: " << Desc.URI << std::endl;
if(Debug)
std::clog << "pkgAcqIndexMergeDiffs failed: " << Desc.URI << " with " << Message << std::endl;
- Item::Failed(Message,Cnf);
+ pkgAcqBaseIndex::Failed(Message,Cnf);
Status = StatDone;
// check if we are the first to fail, otherwise we are done here
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();
// AcqIndex::AcqIndex - Constructor /*{{{*/
pkgAcqIndex::pkgAcqIndex(pkgAcquire * const Owner,
pkgAcqMetaClearSig * const TransactionManager,
- IndexTarget const &Target)
+ IndexTarget const &Target, bool const Derived)
: pkgAcqBaseIndex(Owner, TransactionManager, Target), d(NULL), Stage(STAGE_DOWNLOAD),
CompressionExtensions(Target.Option(IndexTarget::COMPRESSIONTYPES))
{
+ if (Derived)
+ return;
Init(Target.URI, Target.Description, Target.ShortDesc);
if(_config->FindB("Debug::Acquire::Transaction", false) == true)
DestFile = GetPartialFileNameFromURI(URI);
NextCompressionExtension(CurrentCompressionExtension, CompressionExtensions, false);
- // store file size of the download to ensure the fetcher gives
- // accurate progress reporting
- FileSize = GetExpectedHashes().FileSize();
-
if (CurrentCompressionExtension == "uncompressed")
{
Desc.URI = URI;
else if (CurrentCompressionExtension == "by-hash")
{
NextCompressionExtension(CurrentCompressionExtension, CompressionExtensions, true);
- if(unlikely(TransactionManager->MetaIndexParser == NULL || CurrentCompressionExtension.empty()))
+ if(unlikely(CurrentCompressionExtension.empty()))
return;
if (CurrentCompressionExtension != "uncompressed")
{
Desc.URI = URI + '.' + CurrentCompressionExtension;
DestFile = DestFile + '.' + CurrentCompressionExtension;
}
+ else
+ Desc.URI = URI;
HashStringList const Hashes = GetExpectedHashes();
HashString const * const TargetHash = Hashes.find(NULL);
DestFile = DestFile + '.' + CurrentCompressionExtension;
}
+ // store file size of the download to ensure the fetcher gives
+ // accurate progress reporting
+ FileSize = GetExpectedHashes().FileSize();
Desc.Description = URIDesc;
Desc.Owner = this;
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)
}
/*}}}*/
// AcqIndex::Failed - getting the indexfile failed /*{{{*/
-void pkgAcqIndex::Failed(string const &Message,pkgAcquire::MethodConfig const * const Cnf)
+bool pkgAcqIndex::CommonFailed(std::string const &TargetURI, std::string const TargetDesc,
+ std::string const &Message, pkgAcquire::MethodConfig const * const Cnf)
{
- Item::Failed(Message,Cnf);
+ pkgAcqBaseIndex::Failed(Message,Cnf);
+
+ if (UsedMirror.empty() == false && UsedMirror != "DIRECT" &&
+ LookupTag(Message, "FailReason") == "HttpError404")
+ {
+ UsedMirror = "DIRECT";
+ if (Desc.URI.find("/by-hash/") != std::string::npos)
+ CompressionExtensions = "by-hash " + CompressionExtensions;
+ else
+ CompressionExtensions = CurrentCompressionExtension + ' ' + CompressionExtensions;
+ Init(TargetURI, TargetDesc, Desc.ShortDesc);
+ Status = StatIdle;
+ return true;
+ }
// authorisation matches will not be fixed by other compression types
if (Status != StatAuthError)
{
if (CompressionExtensions.empty() == false)
{
- Init(Target.URI, Desc.Description, Desc.ShortDesc);
+ Init(TargetURI, Desc.Description, Desc.ShortDesc);
Status = StatIdle;
- return;
+ return true;
}
}
+ return false;
+}
+void pkgAcqIndex::Failed(string const &Message,pkgAcquire::MethodConfig const * const Cnf)
+{
+ if (CommonFailed(Target.URI, Target.Description, Message, Cnf))
+ return;
if(Target.IsOptional && GetExpectedHashes().empty() && Stage == STAGE_DOWNLOAD)
Status = StatDone;
// methods like file:// give us an alternative (uncompressed) file
else if (Target.KeepCompressed == false && AltFilename.empty() == false)
{
- if (CurrentCompressionExtension != "uncompressed")
- DestFile.erase(DestFile.length() - (CurrentCompressionExtension.length() + 1));
Filename = AltFilename;
+ EraseFileName.clear();
}
// 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
DestFile = "/dev/null";
}
- if (EraseFileName.empty())
+ if (EraseFileName.empty() && Filename != AltFilename)
EraseFileName = Filename;
// queue uri for the next stage
// Create the item
Local = false;
- QueueURI(Desc);
-
++Vf;
+ QueueURI(Desc);
return true;
}
return false;
TemporaryDirectory = tmpname;
ChangeOwnerAndPermissionOfFile("Item::QueueURI", TemporaryDirectory.c_str(),
- SandboxUser.c_str(), "root", 0700);
+ SandboxUser.c_str(), ROOT_GROUP, 0700);
DestFile = flCombine(TemporaryDirectory, DestFileName);
if (DestDir.empty() == false)
pkgCache::PkgIterator const Pkg = Ver.ParentPkg();
if (Pkg->CurrentVer != 0 && Pkg.CurrentVer() == Ver)
{
- std::string const basename = std::string("/usr/share/doc/") + Pkg.Name() + "/changelog";
+ std::string const root = _config->FindDir("Dir");
+ std::string const basename = root + std::string("usr/share/doc/") + Pkg.Name() + "/changelog";
std::string const debianname = basename + ".Debian";
if (FileExists(debianname))
return "copy://" + debianname;
should be so this could produce request order-dependent anomalies */
if (OpenMaybeClearSignedFile(Rls.FileName(), rf) == true)
{
- pkgTagFile TagFile(&rf, rf.Size());
+ pkgTagFile TagFile(&rf);
pkgTagSection Section;
if (TagFile.Step(Section) == true)
server = Section.FindS("Changelogs");
projects / apt.git / blobdiff