#include <stdio.h>
#include <ctime>
#include <sstream>
+#include <numeric>
#include <apti18n.h>
/*}}}*/
if (Target.KeepCompressed == false)
return file;
- std::string const CompressionTypes = Target.Option(IndexTarget::COMPRESSIONTYPES);
- if (CompressionTypes.empty() == false)
+ std::string const KeepCompressedAs = Target.Option(IndexTarget::KEEPCOMPRESSEDAS);
+ if (KeepCompressedAs.empty() == false)
{
- std::string const ext = CompressionTypes.substr(0, CompressionTypes.find(' '));
+ std::string const ext = KeepCompressedAs.substr(0, KeepCompressedAs.find(' '));
if (ext != "uncompressed")
file.append(".").append(ext);
}
return file;
}
/*}}}*/
-static std::string GetCompressedFileName(IndexTarget const &Target, std::string const &Name, std::string const &Ext) /*{{{*/
-{
- if (Ext.empty() || Ext == "uncompressed")
- return Name;
-
- // do not reverify cdrom sources as apt-cdrom may rewrite the Packages
- // file when its doing the indexcopy
- if (Target.URI.substr(0,6) == "cdrom:")
- return Name;
-
- // adjust DestFile if its compressed on disk
- if (Target.KeepCompressed == true)
- return Name + '.' + Ext;
- return Name;
-}
- /*}}}*/
static std::string GetMergeDiffsPatchFileName(std::string const &Final, std::string const &Patch)/*{{{*/
{
// rred expects the patch as $FinalFile.ed.$patchname.gz
return Final + ".ed";
}
/*}}}*/
-static bool BootstrapPDiffWith(std::string const &PartialFile, std::string const &FinalFile, IndexTarget const &Target)/*{{{*/
+static std::string GetExistingFilename(std::string const &File) /*{{{*/
{
- // patching needs to be bootstrapped with the 'old' version
- std::vector<std::string> types = VectorizeString(Target.Option(IndexTarget::COMPRESSIONTYPES), ' ');
- auto typeItr = types.cbegin();
- for (; typeItr != types.cend(); ++typeItr)
+ if (RealFileExists(File))
+ return File;
+ for (auto const &type : APT::Configuration::getCompressorExtensions())
{
- std::string Final = FinalFile;
- if (*typeItr != "uncompressed")
- Final.append(".").append(*typeItr);
- if (RealFileExists(Final) == false)
- continue;
- std::string Partial = PartialFile;
- if (*typeItr != "uncompressed")
- Partial.append(".").append(*typeItr);
- if (FileExists(Partial.c_str()) == true)
- return true;
- if (symlink(Final.c_str(), Partial.c_str()) != 0)
- return false;
- break;
+ std::string const Final = File + type;
+ if (RealFileExists(Final))
+ return Final;
}
- return typeItr != types.cend();
+ return "";
}
/*}}}*/
if (isError)
{
_error->Error("%s", msg.c_str());
- _error->Notice("%s", _("Updating such a repository securily is impossible and therefore disabled by default."));
+ _error->Notice("%s", _("Updating from such a repository can't be done securely, and is therefore disabled by default."));
}
else
{
_error->Warning("%s", msg.c_str());
- _error->Notice("%s", _("Data from such a repository can not be authenticated and is therefore potentially dangerous to use."));
+ _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;
Only repositories without a Release file can (obviously) not have
hashes – and they are very uncommon and strongly discouraged */
return TransactionManager->MetaIndexParser != NULL &&
- TransactionManager->MetaIndexParser->GetLoadedSuccessfully() != metaIndex::TRI_UNSET;
+ TransactionManager->MetaIndexParser->GetLoadedSuccessfully() == metaIndex::TRI_YES;
}
HashStringList pkgAcqTransactionItem::GetExpectedHashes() const
{
std::string pkgAcqIndex::GetFinalFilename() const
{
std::string const FinalFile = GetFinalFileNameFromURI(Target.URI);
- return GetCompressedFileName(Target, FinalFile, CurrentCompressionExtension);
+ return GetKeepCompressedFileName(FinalFile, Target);
}
std::string pkgAcqMetaSig::GetFinalFilename() const
{
}
break;
case TransactionCommit:
- if(PartialFile != "")
+ if(PartialFile.empty() == false)
{
- if(Debug == true)
- std::clog << "mv " << PartialFile << " -> "<< DestFile << " # " << DescURI() << std::endl;
+ bool sameFile = (PartialFile == DestFile);
+ // we use symlinks on IMS-Hit to avoid copies
+ if (RealFileExists(DestFile))
+ {
+ struct stat Buf;
+ if (lstat(PartialFile.c_str(), &Buf) != -1)
+ {
+ if (S_ISLNK(Buf.st_mode) && Buf.st_size > 0)
+ {
+ char partial[Buf.st_size + 1];
+ ssize_t const sp = readlink(PartialFile.c_str(), partial, Buf.st_size);
+ if (sp == -1)
+ _error->Errno("pkgAcqTransactionItem::TransactionState-sp", _("Failed to readlink %s"), PartialFile.c_str());
+ else
+ {
+ partial[sp] = '\0';
+ sameFile = (DestFile == partial);
+ }
+ }
+ }
+ else
+ _error->Errno("pkgAcqTransactionItem::TransactionState-stat", _("Failed to stat %s"), PartialFile.c_str());
+ }
+ if (sameFile == false)
+ {
+ // ensure that even without lists-cleanup all compressions are nuked
+ std::string FinalFile = GetFinalFileNameFromURI(Target.URI);
+ if (FileExists(FinalFile))
+ {
+ if(Debug == true)
+ std::clog << "rm " << FinalFile << " # " << DescURI() << std::endl;
+ if (RemoveFile("TransactionStates-Cleanup", FinalFile) == false)
+ return false;
+ }
+ for (auto const &ext: APT::Configuration::getCompressorExtensions())
+ {
+ auto const Final = FinalFile + ext;
+ if (FileExists(Final))
+ {
+ if(Debug == true)
+ std::clog << "rm " << Final << " # " << DescURI() << std::endl;
+ if (RemoveFile("TransactionStates-Cleanup", Final) == false)
+ return false;
+ }
+ }
+ if(Debug == true)
+ std::clog << "mv " << PartialFile << " -> "<< DestFile << " # " << DescURI() << std::endl;
+ if (Rename(PartialFile, DestFile) == false)
+ return false;
+ }
+ else if(Debug == true)
+ std::clog << "keep " << PartialFile << " # " << DescURI() << std::endl;
- Rename(PartialFile, DestFile);
} else {
if(Debug == true)
std::clog << "rm " << DestFile << " # " << DescURI() << std::endl;
- RemoveFile("TransactionCommit", DestFile);
+ if (RemoveFile("TransactionCommit", DestFile) == false)
+ return false;
}
break;
}
{
// keep the compressed file, but drop the decompressed
EraseFileName.clear();
- if (PartialFile.empty() == false && flExtension(PartialFile) == "decomp")
+ if (PartialFile.empty() == false && flExtension(PartialFile) != CurrentCompressionExtension)
RemoveFile("TransactionAbort", PartialFile);
}
break;
// download time, bandwidth and diskspace for nothing, BUT Debian doesn't feature all
// in the set of supported architectures, so we can filter based on this property rather
// than invent an entirely new flag we would need to carry for all of eternity.
- if (Target->Option(IndexTarget::ARCHITECTURE) == "all" &&
- TransactionManager->MetaIndexParser->IsArchitectureSupported("all") == false)
- continue;
+ if (Target->Option(IndexTarget::ARCHITECTURE) == "all")
+ {
+ if (TransactionManager->MetaIndexParser->IsArchitectureSupported("all") == false)
+ continue;
+ if (TransactionManager->MetaIndexParser->IsArchitectureAllSupportedFor(*Target) == false)
+ continue;
+ }
bool trypdiff = Target->OptionBool(IndexTarget::PDIFFS);
if (verify == true)
strprintf(ErrorText, _("Unable to find expected entry '%s' in Release file (Wrong sources.list entry or malformed file)"), Target->MetaKey.c_str());
return;
}
+ else
+ {
+ auto const hashes = GetExpectedHashesFor(Target->MetaKey);
+ if (hashes.usable() == false && hashes.empty() == false)
+ {
+ _error->Warning(_("Skipping acquire of configured file '%s' as repository '%s' provides only weak security information for it"),
+ Target->MetaKey.c_str(), TransactionManager->Target.Description.c_str());
+ continue;
+ }
+ }
// autoselect the compression method
std::vector<std::string> types = VectorizeString(Target->Option(IndexTarget::COMPRESSIONTYPES), ' ');
else
Target->Options["COMPRESSIONTYPES"].clear();
- std::string filename = GetFinalFileNameFromURI(Target->URI);
- if (RealFileExists(filename) == false)
- {
- if (Target->KeepCompressed)
- {
- filename = GetKeepCompressedFileName(filename, *Target);
- if (RealFileExists(filename) == false)
- filename.clear();
- }
- else
- filename.clear();
- }
-
+ 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
else
{
// if we have no file to patch, no point in trying
- std::string filename = GetFinalFileNameFromURI(Target->URI);
- if (RealFileExists(filename) == false)
- {
- if (Target->KeepCompressed)
- {
- filename = GetKeepCompressedFileName(filename, *Target);
- if (RealFileExists(filename) == false)
- filename.clear();
- }
- else
- filename.clear();
- }
- trypdiff &= (filename.empty() == false);
+ trypdiff &= (GetExistingFilename(GetFinalFileNameFromURI(Target->URI)).empty() == false);
}
// no point in patching from local sources
// No Release file was present, or verification failed, so fall
// back to queueing Packages files without verification
- // only allow going further if the users explicitely wants it
+ // only allow going further if the user explicitly wants it
if(AllowInsecureRepositories(_("The repository '%s' is not signed."), ClearsignedTarget.Description, TransactionManager->MetaIndexParser, TransactionManager, this) == true)
{
Status = StatDone;
// No Release file was present so fall
// back to queueing Packages files without verification
- // only allow going further if the users explicitely wants it
+ // only allow going further if the user explicitly wants it
if(AllowInsecureRepositories(_("The repository '%s' does not have a Release file."), Target.Description, TransactionManager->MetaIndexParser, TransactionManager, this) == true)
{
// ensure old Release files are removed
// ensures that a Release.gpg file in the lists/ is removed by the transaction
TransactionManager->TransactionStageRemoval(this, DestFile);
- // only allow going further if the users explicitely wants it
+ // only allow going further if the user explicitly wants it
if (AllowInsecureRepositories(_("The repository '%s' is not signed."), MetaIndex->Target.Description, TransactionManager->MetaIndexParser, TransactionManager, this) == true)
{
if (RealFileExists(FinalReleasegpg) || RealFileExists(FinalInRelease))
// we parse the indexes here because at this point the user wanted
// a repository that may potentially harm him
- if (TransactionManager->MetaIndexParser->Load(MetaIndex->DestFile, &ErrorText) == false || MetaIndex->VerifyVendor(Message) == false)
+ bool const GoodLoad = TransactionManager->MetaIndexParser->Load(MetaIndex->DestFile, &ErrorText);
+ if (MetaIndex->VerifyVendor(Message) == false)
/* expired Release files are still a problem you need extra force for */;
else
- MetaIndex->QueueIndexes(true);
+ MetaIndex->QueueIndexes(GoodLoad);
TransactionManager->TransactionStageCopy(MetaIndex, MetaIndex->DestFile, MetaIndex->GetFinalFilename());
}
/* The only header we use is the last-modified header. */
string pkgAcqDiffIndex::Custom600Headers() const
{
+ if (TransactionManager->LastMetaIndexParser != NULL)
+ return "\nIndex-File: true";
+
string const Final = GetFinalFilename();
if(Debug)
std::clog << "Server-Current: " << ServerHashes.find(NULL)->toStr() << " and we start at "
<< CurrentPackagesFile << " " << LocalHashes.FileSize() << " " << LocalHashes.find(NULL)->toStr() << std::endl;
+ // historically, older hashes have more info than newer ones, so start
+ // collecting with older ones first to avoid implementing complicated
+ // information merging techniques… a failure is after all always
+ // recoverable with a complete file and hashes aren't changed that often.
+ std::vector<char const *> types;
+ for (char const * const * type = HashString::SupportedHashes(); *type != NULL; ++type)
+ types.push_back(*type);
+
// parse all of (provided) history
vector<DiffInfo> available_patches;
bool firstAcceptedHashes = true;
- for (char const * const * type = HashString::SupportedHashes(); *type != NULL; ++type)
+ for (auto type = types.crbegin(); type != types.crend(); ++type)
{
if (LocalHashes.find(*type) == NULL)
continue;
return false;
}
- for (char const * const * type = HashString::SupportedHashes(); *type != NULL; ++type)
+ for (auto type = types.crbegin(); type != types.crend(); ++type)
{
if (LocalHashes.find(*type) == NULL)
continue;
}
}
- for (char const * const * type = HashString::SupportedHashes(); *type != NULL; ++type)
+ for (auto type = types.crbegin(); type != types.crend(); ++type)
{
std::string tagname = *type;
tagname.append("-Download");
}
// calculate the size of all patches we have to get
- // note that all sizes are uncompressed, while we download compressed files
- unsigned long long patchesSize = 0;
- for (std::vector<DiffInfo>::const_iterator cur = available_patches.begin();
- cur != available_patches.end(); ++cur)
- patchesSize += cur->patch_hashes.FileSize();
- unsigned long long const sizeLimit = ServerSize * _config->FindI("Acquire::PDiffs::SizeLimit", 100);
- if (sizeLimit > 0 && (sizeLimit/100) < patchesSize)
- {
- if (Debug)
- std::clog << "Need " << patchesSize << " bytes (Limit is " << sizeLimit/100
- << ") so fallback to complete download" << std::endl;
- return false;
+ unsigned short const sizeLimitPercent = _config->FindI("Acquire::PDiffs::SizeLimit", 100);
+ if (sizeLimitPercent > 0 && TransactionManager->MetaIndexParser != nullptr)
+ {
+ // compressed case
+ unsigned long long downloadSize = std::accumulate(available_patches.begin(),
+ available_patches.end(), 0llu, [](unsigned long long const T, DiffInfo const &I) {
+ return T + I.download_hashes.FileSize();
+ });
+ if (downloadSize != 0)
+ {
+ unsigned long long downloadSizeIdx = 0;
+ auto const types = VectorizeString(Target.Option(IndexTarget::COMPRESSIONTYPES), ' ');
+ for (auto const &t : types)
+ {
+ std::string MetaKey = Target.MetaKey;
+ if (t != "uncompressed")
+ MetaKey += '.' + t;
+ HashStringList const hsl = GetExpectedHashesFor(MetaKey);
+ if (unlikely(hsl.usable() == false))
+ continue;
+ downloadSizeIdx = hsl.FileSize();
+ break;
+ }
+ unsigned long long const sizeLimit = downloadSizeIdx * sizeLimitPercent;
+ if ((sizeLimit/100) < downloadSize)
+ {
+ if (Debug)
+ std::clog << "Need " << downloadSize << " compressed bytes (Limit is " << (sizeLimit/100) << ", "
+ << "original is " << downloadSizeIdx << ") so fallback to complete download" << std::endl;
+ return false;
+ }
+ }
+ // uncompressed case
+ downloadSize = std::accumulate(available_patches.begin(),
+ available_patches.end(), 0llu, [](unsigned long long const T, DiffInfo const &I) {
+ return T + I.patch_hashes.FileSize();
+ });
+ if (downloadSize != 0)
+ {
+ unsigned long long const downloadSizeIdx = ServerSize;
+ unsigned long long const sizeLimit = downloadSizeIdx * sizeLimitPercent;
+ if ((sizeLimit/100) < downloadSize)
+ {
+ if (Debug)
+ std::clog << "Need " << downloadSize << " uncompressed bytes (Limit is " << (sizeLimit/100) << ", "
+ << "original is " << downloadSizeIdx << ") so fallback to complete download" << std::endl;
+ return false;
+ }
+ }
}
// we have something, queue the diffs
pdiff_merge = (precedence != "merged");
}
+ // clean the plate
+ {
+ std::string const Final = GetExistingFilename(CurrentPackagesFile);
+ 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;
+ 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;
+ return false;
+ }
+ }
+ std::string const Ext = Final.substr(CurrentPackagesFile.length());
+ std::string const Partial = PartialFile + Ext;
+ if (symlink(Final.c_str(), Partial.c_str()) != 0)
+ {
+ if (Debug)
+ std::clog << "Bootstrap-linking for patching " << CurrentPackagesFile
+ << " by linking " << Final << " to " << Partial << " failed!" << std::endl;
+ return false;
+ }
+ }
+
if (pdiff_merge == false)
new pkgAcqIndexDiffs(Owner, TransactionManager, Target, available_patches);
else
}
else
{
- if (BootstrapPDiffWith(GetPartialFileNameFromURI(Target.URI), GetFinalFilename(), Target) == false)
- {
- Failed("Bootstrapping of " + DestFile + " failed", NULL);
- return;
- }
-
- // get the next diff
State = StateFetchDiff;
QueueNextDiff();
}
RenameOnError(PDiffError);
std::string const patchname = GetDiffsPatchFileName(DestFile);
if (RealFileExists(patchname))
- rename(patchname.c_str(), std::string(patchname + ".FAILED").c_str());
+ Rename(patchname, patchname + ".FAILED");
+ std::string const UnpatchedFile = GetExistingFilename(GetPartialFileNameFromURI(Target.URI));
+ if (UnpatchedFile.empty() == false && FileExists(UnpatchedFile))
+ Rename(UnpatchedFile, UnpatchedFile + ".FAILED");
new pkgAcqIndex(Owner, TransactionManager, Target);
Finish();
}
// the file will be cleaned
if(allDone)
{
- std::string Final = GetFinalFilename();
- if (Target.KeepCompressed)
- {
- std::string const ext = flExtension(DestFile);
- if (ext.empty() == false)
- Final.append(".").append(ext);
- }
+ std::string const Final = GetKeepCompressedFileName(GetFinalFilename(), Target);
TransactionManager->TransactionStageCopy(this, DestFile, Final);
// this is for the "real" finish
bool pkgAcqIndexDiffs::QueueNextDiff() /*{{{*/
{
// calc sha1 of the just patched file
- std::string const FinalFile = GetKeepCompressedFileName(GetPartialFileNameFromURI(Target.URI), Target);
- if(!FileExists(FinalFile))
+ std::string const PartialFile = GetExistingFilename(GetPartialFileNameFromURI(Target.URI));
+ if(unlikely(PartialFile.empty()))
{
- Failed("Message: No FinalFile " + FinalFile + " available", NULL);
+ Failed("Message: The file " + GetPartialFileNameFromURI(Target.URI) + " isn't available", NULL);
return false;
}
- FileFd fd(FinalFile, FileFd::ReadOnly, FileFd::Extension);
+ FileFd fd(PartialFile, FileFd::ReadOnly, FileFd::Extension);
Hashes LocalHashesCalc;
LocalHashesCalc.AddFD(fd);
HashStringList const LocalHashes = LocalHashesCalc.GetHashStringList();
if(Debug)
- std::clog << "QueueNextDiff: " << FinalFile << " (" << LocalHashes.find(NULL)->toStr() << ")" << std::endl;
+ std::clog << "QueueNextDiff: " << PartialFile << " (" << LocalHashes.find(NULL)->toStr() << ")" << std::endl;
HashStringList const TargetFileHashes = GetExpectedHashesFor(Target.MetaKey);
if (unlikely(LocalHashes.usable() == false || TargetFileHashes.usable() == false))
{
- Failed("Local/Expected hashes are not usable", NULL);
+ Failed("Local/Expected hashes are not usable for " + PartialFile, NULL);
return false;
}
-
// final file reached before all patches are applied
if(LocalHashes == TargetFileHashes)
{
// remove all patches until the next matching patch is found
// this requires the Index file to be ordered
- for(vector<DiffInfo>::iterator I = available_patches.begin();
- available_patches.empty() == false &&
- I != available_patches.end() &&
- I->result_hashes != LocalHashes;
- ++I)
- {
- available_patches.erase(I);
- }
+ available_patches.erase(available_patches.begin(),
+ std::find_if(available_patches.begin(), available_patches.end(), [&](DiffInfo const &I) {
+ return I.result_hashes == LocalHashes;
+ }));
// error checking and falling back if no patch was found
if(available_patches.empty() == true)
{
- Failed("No patches left to reach target", NULL);
+ Failed("No patches left to reach target for " + PartialFile, NULL);
return false;
}
void pkgAcqIndexDiffs::Done(string const &Message, HashStringList const &Hashes, /*{{{*/
pkgAcquire::MethodConfig const * const Cnf)
{
- if(Debug)
+ if (Debug)
std::clog << "pkgAcqIndexDiffs::Done(): " << Desc.URI << std::endl;
Item::Done(Message, Hashes, Cnf);
- std::string const FinalFile = GetKeepCompressedFileName(GetPartialFileNameFromURI(Target.URI), Target);
- std::string const PatchFile = GetDiffsPatchFileName(FinalFile);
+ std::string const UncompressedUnpatchedFile = GetPartialFileNameFromURI(Target.URI);
+ std::string const UnpatchedFile = GetExistingFilename(UncompressedUnpatchedFile);
+ std::string const PatchFile = GetDiffsPatchFileName(UnpatchedFile);
+ std::string const PatchedFile = GetKeepCompressedFileName(UncompressedUnpatchedFile, Target);
- // success in downloading a diff, enter ApplyDiff state
- if(State == StateFetchDiff)
+ switch (State)
{
- Rename(DestFile, PatchFile);
-
- if(Debug)
- std::clog << "Sending to rred method: " << FinalFile << std::endl;
-
- State = StateApplyDiff;
- Local = true;
- Desc.URI = "rred:" + FinalFile;
- QueueURI(Desc);
- SetActiveSubprocess("rred");
- return;
- }
-
- // success in download/apply a diff, queue next (if needed)
- if(State == StateApplyDiff)
- {
- // remove the just applied patch
- available_patches.erase(available_patches.begin());
- RemoveFile("pkgAcqIndexDiffs::Done", PatchFile);
-
- // move into place
- if(Debug)
- {
- std::clog << "Moving patched file in place: " << std::endl
- << DestFile << " -> " << FinalFile << std::endl;
- }
- Rename(DestFile,FinalFile);
- chmod(FinalFile.c_str(),0644);
-
- // see if there is more to download
- if(available_patches.empty() == false) {
- new pkgAcqIndexDiffs(Owner, TransactionManager, Target,
- available_patches);
- return Finish();
- } else
- // update
- DestFile = FinalFile;
- return Finish(true);
+ // success in downloading a diff, enter ApplyDiff state
+ case StateFetchDiff:
+ Rename(DestFile, PatchFile);
+ DestFile = GetKeepCompressedFileName(UncompressedUnpatchedFile + "-patched", Target);
+ if(Debug)
+ std::clog << "Sending to rred method: " << UnpatchedFile << std::endl;
+ State = StateApplyDiff;
+ Local = true;
+ Desc.URI = "rred:" + UnpatchedFile;
+ QueueURI(Desc);
+ SetActiveSubprocess("rred");
+ return;
+ // success in download/apply a diff, queue next (if needed)
+ case StateApplyDiff:
+ // remove the just applied patch and base file
+ available_patches.erase(available_patches.begin());
+ RemoveFile("pkgAcqIndexDiffs::Done", PatchFile);
+ RemoveFile("pkgAcqIndexDiffs::Done", UnpatchedFile);
+ if(Debug)
+ std::clog << "Moving patched file in place: " << std::endl
+ << DestFile << " -> " << PatchedFile << std::endl;
+ Rename(DestFile, PatchedFile);
+
+ // see if there is more to download
+ if(available_patches.empty() == false)
+ {
+ new pkgAcqIndexDiffs(Owner, TransactionManager, Target, available_patches);
+ Finish();
+ } else {
+ DestFile = PatchedFile;
+ Finish(true);
+ }
+ return;
}
}
/*}}}*/
Desc.Owner = this;
Description = Target.Description;
Desc.ShortDesc = Target.ShortDesc;
-
Desc.URI = Target.URI + ".diff/" + patch.file + ".gz";
- Desc.Description = Description + " " + patch.file + string(".pdiff");
-
- DestFile = GetKeepCompressedFileName(GetPartialFileNameFromURI(Target.URI + ".diff/" + patch.file), Target);
+ Desc.Description = Description + " " + patch.file + ".pdiff";
+ DestFile = GetPartialFileNameFromURI(Desc.URI);
if(Debug)
std::clog << "pkgAcqIndexMergeDiffs: " << Desc.URI << std::endl;
State = StateErrorDiff;
if (Debug)
std::clog << "Falling back to normal index file acquire" << std::endl;
- DestFile = GetKeepCompressedFileName(GetPartialFileNameFromURI(Target.URI), Target);
RenameOnError(PDiffError);
- std::string const patchname = GetMergeDiffsPatchFileName(DestFile, patch.file);
+ std::string const patchname = GetPartialFileNameFromURI(Desc.URI);
if (RealFileExists(patchname))
- rename(patchname.c_str(), std::string(patchname + ".FAILED").c_str());
- new pkgAcqIndex(Owner, TransactionManager, Target);
+ Rename(patchname, patchname + ".FAILED");
+ std::string const UnpatchedFile = GetExistingFilename(GetPartialFileNameFromURI(Target.URI));
+ if (UnpatchedFile.empty() == false && FileExists(UnpatchedFile))
+ Rename(UnpatchedFile, UnpatchedFile + ".FAILED");
DestFile.clear();
+ new pkgAcqIndex(Owner, TransactionManager, Target);
}
/*}}}*/
void pkgAcqIndexMergeDiffs::Done(string const &Message, HashStringList const &Hashes, /*{{{*/
Item::Done(Message, Hashes, Cnf);
- std::string const UncompressedFinalFile = GetPartialFileNameFromURI(Target.URI);
- std::string const FinalFile = GetKeepCompressedFileName(GetPartialFileNameFromURI(Target.URI), Target);
- if (State == StateFetchDiff)
+ if (std::any_of(allPatches->begin(), allPatches->end(),
+ [](pkgAcqIndexMergeDiffs const * const P) { return P->State == StateErrorDiff; }))
{
- Rename(DestFile, GetMergeDiffsPatchFileName(FinalFile, patch.file));
-
- // check if this is the last completed diff
- State = StateDoneDiff;
- for (std::vector<pkgAcqIndexMergeDiffs *>::const_iterator I = allPatches->begin();
- I != allPatches->end(); ++I)
- if ((*I)->State != StateDoneDiff)
- {
- if(Debug)
- std::clog << "Not the last done diff in the batch: " << Desc.URI << std::endl;
- return;
- }
-
- // this is the last completed diff, so we are ready to apply now
- State = StateApplyDiff;
-
- if (BootstrapPDiffWith(UncompressedFinalFile, GetFinalFilename(), Target) == false)
- {
- Failed("Bootstrapping of " + DestFile + " failed", NULL);
- return;
- }
-
if(Debug)
- std::clog << "Sending to rred method: " << FinalFile << std::endl;
-
- Local = true;
- Desc.URI = "rred:" + FinalFile;
- QueueURI(Desc);
- SetActiveSubprocess("rred");
+ std::clog << "Another patch failed already, no point in processing this one." << std::endl;
return;
}
- // success in download/apply all diffs, clean up
- else if (State == StateApplyDiff)
- {
- // move the result into place
- std::string const Final = GetKeepCompressedFileName(GetFinalFilename(), Target);
- if(Debug)
- std::clog << "Queue patched file in place: " << std::endl
- << DestFile << " -> " << Final << std::endl;
- // queue for copy by the transaction manager
- TransactionManager->TransactionStageCopy(this, DestFile, Final);
+ std::string const UncompressedUnpatchedFile = GetPartialFileNameFromURI(Target.URI);
+ std::string const UnpatchedFile = GetExistingFilename(UncompressedUnpatchedFile);
+ if (UnpatchedFile.empty())
+ {
+ _error->Fatal("Unpatched file %s doesn't exist (anymore)!", UnpatchedFile.c_str());
+ return;
+ }
+ std::string const PatchFile = GetMergeDiffsPatchFileName(UnpatchedFile, patch.file);
+ std::string const PatchedFile = GetKeepCompressedFileName(UncompressedUnpatchedFile, Target);
- // ensure the ed's are gone regardless of list-cleanup
- for (std::vector<pkgAcqIndexMergeDiffs *>::const_iterator I = allPatches->begin();
- I != allPatches->end(); ++I)
- {
- std::string const PartialFile = GetKeepCompressedFileName(GetPartialFileNameFromURI(Target.URI), Target);
- std::string const patch = GetMergeDiffsPatchFileName(PartialFile, (*I)->patch.file);
- RemoveFile("pkgAcqIndexMergeDiffs::Done", patch);
- }
- RemoveFile("pkgAcqIndexMergeDiffs::Done", FinalFile);
+ switch (State)
+ {
+ case StateFetchDiff:
+ Rename(DestFile, PatchFile);
- // all set and done
- Complete = true;
- if(Debug)
- std::clog << "allDone: " << DestFile << "\n" << std::endl;
+ // check if this is the last completed diff
+ State = StateDoneDiff;
+ for (std::vector<pkgAcqIndexMergeDiffs *>::const_iterator I = allPatches->begin();
+ I != allPatches->end(); ++I)
+ if ((*I)->State != StateDoneDiff)
+ {
+ if(Debug)
+ std::clog << "Not the last done diff in the batch: " << Desc.URI << std::endl;
+ return;
+ }
+ // this is the last completed diff, so we are ready to apply now
+ DestFile = GetKeepCompressedFileName(UncompressedUnpatchedFile + "-patched", Target);
+ if(Debug)
+ std::clog << "Sending to rred method: " << UnpatchedFile << std::endl;
+ State = StateApplyDiff;
+ Local = true;
+ Desc.URI = "rred:" + UnpatchedFile;
+ QueueURI(Desc);
+ SetActiveSubprocess("rred");
+ return;
+ case StateApplyDiff:
+ // success in download & apply all diffs, finialize and clean up
+ if(Debug)
+ std::clog << "Queue patched file in place: " << std::endl
+ << DestFile << " -> " << PatchedFile << std::endl;
+
+ // queue for copy by the transaction manager
+ TransactionManager->TransactionStageCopy(this, DestFile, GetKeepCompressedFileName(GetFinalFilename(), Target));
+
+ // ensure the ed's are gone regardless of list-cleanup
+ for (std::vector<pkgAcqIndexMergeDiffs *>::const_iterator I = allPatches->begin();
+ I != allPatches->end(); ++I)
+ RemoveFile("pkgAcqIndexMergeDiffs::Done", GetMergeDiffsPatchFileName(UnpatchedFile, (*I)->patch.file));
+ RemoveFile("pkgAcqIndexMergeDiffs::Done", UnpatchedFile);
+
+ // all set and done
+ Complete = true;
+ if(Debug)
+ std::clog << "allDone: " << DestFile << "\n" << std::endl;
+ return;
+ case StateDoneDiff: _error->Fatal("Done called for %s which is in an invalid Done state", PatchFile.c_str()); break;
+ case StateErrorDiff: _error->Fatal("Done called for %s which is in an invalid Error state", PatchFile.c_str()); break;
}
}
/*}}}*/
/* The only header we use is the last-modified header. */
string pkgAcqIndex::Custom600Headers() const
{
- string Final = GetFinalFilename();
string msg = "\nIndex-File: true";
- struct stat Buf;
- if (stat(Final.c_str(),&Buf) == 0)
- msg += "\nLast-Modified: " + TimeRFC1123(Buf.st_mtime);
+
+ if (TransactionManager->LastMetaIndexParser == NULL)
+ {
+ std::string const Final = GetFinalFilename();
+
+ struct stat Buf;
+ if (stat(Final.c_str(),&Buf) == 0)
+ msg += "\nLast-Modified: " + TimeRFC1123(Buf.st_mtime);
+ }
if(Target.IsOptional)
msg += "\nFail-Ignore: true";
TransactionManager->AbortTransaction();
}
/*}}}*/
-// AcqIndex::ReverifyAfterIMS - Reverify index after an ims-hit /*{{{*/
-void pkgAcqIndex::ReverifyAfterIMS()
-{
- // update destfile to *not* include the compression extension when doing
- // a reverify (as its uncompressed on disk already)
- DestFile = GetCompressedFileName(Target, GetPartialFileNameFromURI(Target.URI), CurrentCompressionExtension);
-
- // copy FinalFile into partial/ so that we check the hash again
- string FinalFile = GetFinalFilename();
- Stage = STAGE_DECOMPRESS_AND_VERIFY;
- Desc.URI = "copy:" + FinalFile;
- QueueURI(Desc);
-}
- /*}}}*/
// AcqIndex::Done - Finished a fetch /*{{{*/
// ---------------------------------------------------------------------
/* This goes through a number of states.. On the initial fetch the
switch(Stage)
{
case STAGE_DOWNLOAD:
- StageDownloadDone(Message, Hashes, Cfg);
+ StageDownloadDone(Message);
break;
case STAGE_DECOMPRESS_AND_VERIFY:
- StageDecompressDone(Message, Hashes, Cfg);
+ StageDecompressDone();
break;
}
}
/*}}}*/
// AcqIndex::StageDownloadDone - Queue for decompress and verify /*{{{*/
-void pkgAcqIndex::StageDownloadDone(string const &Message, HashStringList const &,
- pkgAcquire::MethodConfig const * const)
+void pkgAcqIndex::StageDownloadDone(string const &Message)
{
+ Local = true;
Complete = true;
- // Handle the unzipd case
- std::string FileName = LookupTag(Message,"Alt-Filename");
- if (FileName.empty() == false)
+ std::string const AltFilename = LookupTag(Message,"Alt-Filename");
+ std::string Filename = LookupTag(Message,"Filename");
+
+ // we need to verify the file against the current Release file again
+ // on if-modfied-since hit to avoid a stale attack against us
+ if(StringToBool(LookupTag(Message,"IMS-Hit"),false) == true)
{
+ // copy FinalFile into partial/ so that we check the hash again
+ string const FinalFile = GetExistingFilename(GetFinalFileNameFromURI(Target.URI));
+ if (symlink(FinalFile.c_str(), DestFile.c_str()) != 0)
+ _error->WarningE("pkgAcqIndex::StageDownloadDone", "Symlinking final file %s back to %s failed", FinalFile.c_str(), DestFile.c_str());
+ else
+ {
+ EraseFileName = DestFile;
+ Filename = DestFile;
+ }
Stage = STAGE_DECOMPRESS_AND_VERIFY;
- Local = true;
- DestFile += ".decomp";
- Desc.URI = "copy:" + FileName;
+ Desc.URI = "store:" + Filename;
QueueURI(Desc);
- SetActiveSubprocess("copy");
+ SetActiveSubprocess(::URI(Desc.URI).Access);
return;
}
- FileName = LookupTag(Message,"Filename");
-
+ // 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;
+ }
// Methods like e.g. "file:" will give us a (compressed) FileName that is
// not the "DestFile" we set, in this case we uncompress from the local file
- if (FileName != DestFile && RealFileExists(DestFile) == false)
+ else if (Filename != DestFile && RealFileExists(DestFile) == false)
{
- Local = true;
- if (Target.KeepCompressed == true)
+ // symlinking ensures that the filename can be used for compression detection
+ // that is e.g. needed for by-hash which has no extension over file
+ if (symlink(Filename.c_str(),DestFile.c_str()) != 0)
+ _error->WarningE("pkgAcqIndex::StageDownloadDone", "Symlinking file %s to %s failed", Filename.c_str(), DestFile.c_str());
+ else
{
- // but if we don't keep the uncompress we copy the compressed file first
- Stage = STAGE_DOWNLOAD;
- Desc.URI = "copy:" + FileName;
- QueueURI(Desc);
- SetActiveSubprocess("copy");
- return;
+ EraseFileName = DestFile;
+ Filename = DestFile;
}
}
- else
- EraseFileName = FileName;
-
- // we need to verify the file against the current Release file again
- // on if-modfied-since hit to avoid a stale attack against us
- if(StringToBool(LookupTag(Message,"IMS-Hit"),false) == true)
- {
- // The files timestamp matches, reverify by copy into partial/
- EraseFileName = "";
- ReverifyAfterIMS();
- return;
- }
- // get the binary name for your used compression type
- string decompProg;
- if(CurrentCompressionExtension == "uncompressed")
- decompProg = "copy";
+ Stage = STAGE_DECOMPRESS_AND_VERIFY;
+ DestFile = GetKeepCompressedFileName(GetPartialFileNameFromURI(Target.URI), Target);
+ if (Filename != DestFile && flExtension(Filename) == flExtension(DestFile))
+ Desc.URI = "copy:" + Filename;
else
- decompProg = _config->Find(string("Acquire::CompressionTypes::").append(CurrentCompressionExtension),"");
- if(decompProg.empty() == true)
- {
- _error->Error("Unsupported extension: %s", CurrentCompressionExtension.c_str());
- return;
- }
-
- if (Target.KeepCompressed == true)
+ Desc.URI = "store:" + Filename;
+ if (DestFile == Filename)
{
+ if (CurrentCompressionExtension == "uncompressed")
+ return StageDecompressDone();
DestFile = "/dev/null";
- EraseFileName.clear();
}
- else
- DestFile += ".decomp";
+
+ if (EraseFileName.empty())
+ EraseFileName = Filename;
// queue uri for the next stage
- Stage = STAGE_DECOMPRESS_AND_VERIFY;
- Desc.URI = decompProg + ":" + FileName;
QueueURI(Desc);
- SetActiveSubprocess(decompProg);
+ SetActiveSubprocess(::URI(Desc.URI).Access);
}
/*}}}*/
// AcqIndex::StageDecompressDone - Final verification /*{{{*/
-void pkgAcqIndex::StageDecompressDone(string const &,
- HashStringList const &,
- pkgAcquire::MethodConfig const * const)
+void pkgAcqIndex::StageDecompressDone()
{
- if (Target.KeepCompressed == true && DestFile == "/dev/null")
- DestFile = GetPartialFileNameFromURI(Target.URI + '.' + CurrentCompressionExtension);
+ if (DestFile == "/dev/null")
+ DestFile = GetKeepCompressedFileName(GetPartialFileNameFromURI(Target.URI), Target);
// Done, queue for rename on transaction finished
TransactionManager->TransactionStageCopy(this, DestFile, GetFinalFilename());
- return;
}
/*}}}*/
pkgAcqIndex::~pkgAcqIndex() {}
pkgAcqArchive::~pkgAcqArchive() {}
// AcqChangelog::pkgAcqChangelog - Constructors /*{{{*/
+class pkgAcqChangelog::Private
+{
+ public:
+ std::string FinalFile;
+};
pkgAcqChangelog::pkgAcqChangelog(pkgAcquire * const Owner, pkgCache::VerIterator const &Ver,
std::string const &DestDir, std::string const &DestFilename) :
- pkgAcquire::Item(Owner), d(NULL), SrcName(Ver.SourcePkgName()), SrcVersion(Ver.SourceVerStr())
+ pkgAcquire::Item(Owner), d(new pkgAcqChangelog::Private()), SrcName(Ver.SourcePkgName()), SrcVersion(Ver.SourceVerStr())
{
Desc.URI = URI(Ver);
Init(DestDir, DestFilename);
pkgAcqChangelog::pkgAcqChangelog(pkgAcquire * const Owner, pkgCache::RlsFileIterator const &RlsFile,
char const * const Component, char const * const SrcName, char const * const SrcVersion,
const string &DestDir, const string &DestFilename) :
- pkgAcquire::Item(Owner), d(NULL), SrcName(SrcName), SrcVersion(SrcVersion)
+ pkgAcquire::Item(Owner), d(new pkgAcqChangelog::Private()), SrcName(SrcName), SrcVersion(SrcVersion)
{
Desc.URI = URI(RlsFile, Component, SrcName, SrcVersion);
Init(DestDir, DestFilename);
pkgAcqChangelog::pkgAcqChangelog(pkgAcquire * const Owner,
std::string const &URI, char const * const SrcName, char const * const SrcVersion,
const string &DestDir, const string &DestFilename) :
- pkgAcquire::Item(Owner), d(NULL), SrcName(SrcName), SrcVersion(SrcVersion)
+ pkgAcquire::Item(Owner), d(new pkgAcqChangelog::Private()), SrcName(SrcName), SrcVersion(SrcVersion)
{
Desc.URI = URI;
Init(DestDir, DestFilename);
return;
}
- if (DestDir.empty())
+ std::string DestFileName;
+ if (DestFilename.empty())
+ DestFileName = flCombine(DestFile, SrcName + ".changelog");
+ else
+ DestFileName = flCombine(DestFile, DestFilename);
+
+ std::string const SandboxUser = _config->Find("APT::Sandbox::User");
+ std::string const systemTemp = GetTempDir(SandboxUser);
+ char tmpname[1000];
+ snprintf(tmpname, sizeof(tmpname), "%s/apt-changelog-XXXXXX", systemTemp.c_str());
+ if (NULL == mkdtemp(tmpname))
+ {
+ _error->Errno("mkdtemp", "mkdtemp failed in changelog acquire of %s %s", SrcName.c_str(), SrcVersion.c_str());
+ Status = StatError;
+ return;
+ }
+ TemporaryDirectory = tmpname;
+
+ ChangeOwnerAndPermissionOfFile("Item::QueueURI", TemporaryDirectory.c_str(),
+ SandboxUser.c_str(), "root", 0700);
+
+ DestFile = flCombine(TemporaryDirectory, DestFileName);
+ if (DestDir.empty() == false)
{
- std::string const SandboxUser = _config->Find("APT::Sandbox::User");
- std::string const systemTemp = GetTempDir(SandboxUser);
- char tmpname[100];
- snprintf(tmpname, sizeof(tmpname), "%s/apt-changelog-XXXXXX", systemTemp.c_str());
- if (NULL == mkdtemp(tmpname))
+ d->FinalFile = flCombine(DestDir, DestFileName);
+ if (RealFileExists(d->FinalFile))
{
- _error->Errno("mkdtemp", "mkdtemp failed in changelog acquire of %s %s", SrcName.c_str(), SrcVersion.c_str());
- Status = StatError;
- return;
+ FileFd file1, file2;
+ if (file1.Open(DestFile, FileFd::WriteOnly | FileFd::Create | FileFd::Exclusive) &&
+ file2.Open(d->FinalFile, FileFd::ReadOnly) && CopyFile(file2, file1))
+ {
+ struct timeval times[2];
+ times[0].tv_sec = times[1].tv_sec = file2.ModificationTime();
+ times[0].tv_usec = times[1].tv_usec = 0;
+ utimes(DestFile.c_str(), times);
+ }
}
- DestFile = TemporaryDirectory = tmpname;
-
- ChangeOwnerAndPermissionOfFile("Item::QueueURI", DestFile.c_str(),
- SandboxUser.c_str(), "root", 0700);
}
- else
- DestFile = DestDir;
-
- if (DestFilename.empty())
- DestFile = flCombine(DestFile, SrcName + ".changelog");
- else
- DestFile = flCombine(DestFile, DestFilename);
Desc.ShortDesc = "Changelog";
strprintf(Desc.Description, "%s %s %s Changelog", URI::SiteOnly(Desc.URI).c_str(), SrcName.c_str(), SrcVersion.c_str());
/*}}}*/
std::string pkgAcqChangelog::URI(pkgCache::VerIterator const &Ver) /*{{{*/
{
+ std::string const confOnline = "Acquire::Changelogs::AlwaysOnline";
+ bool AlwaysOnline = _config->FindB(confOnline, false);
+ if (AlwaysOnline == false)
+ for (pkgCache::VerFileIterator VF = Ver.FileList(); VF.end() == false; ++VF)
+ {
+ pkgCache::PkgFileIterator const PF = VF.File();
+ if (PF.Flagged(pkgCache::Flag::NotSource) || PF->Release == 0)
+ continue;
+ pkgCache::RlsFileIterator const RF = PF.ReleaseFile();
+ if (RF->Origin != 0 && _config->FindB(confOnline + "::Origin::" + RF.Origin(), false))
+ {
+ AlwaysOnline = true;
+ break;
+ }
+ }
+ if (AlwaysOnline == 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 debianname = basename + ".Debian";
+ if (FileExists(debianname))
+ return "copy://" + debianname;
+ else if (FileExists(debianname + ".gz"))
+ return "gzip://" + debianname + ".gz";
+ else if (FileExists(basename))
+ return "copy://" + basename;
+ else if (FileExists(basename + ".gz"))
+ return "gzip://" + basename + ".gz";
+ }
+ }
+
char const * const SrcName = Ver.SourcePkgName();
char const * const SrcVersion = Ver.SourceVerStr();
- pkgCache::PkgFileIterator PkgFile;
// find the first source for this version which promises a changelog
for (pkgCache::VerFileIterator VF = Ver.FileList(); VF.end() == false; ++VF)
{
pkgCache::PkgFileIterator const PF = VF.File();
if (PF.Flagged(pkgCache::Flag::NotSource) || PF->Release == 0)
continue;
- PkgFile = PF;
pkgCache::RlsFileIterator const RF = PF.ReleaseFile();
std::string const uri = URI(RF, PF.Component(), SrcName, SrcVersion);
if (uri.empty())
char const * const Component, char const * const SrcName,
char const * const SrcVersion)
{
- if (Template.find("CHANGEPATH") == std::string::npos)
+ if (Template.find("@CHANGEPATH@") == std::string::npos)
return "";
// the path is: COMPONENT/SRC/SRCNAME/SRCNAME_SRCVER, e.g. main/a/apt/1.1 or contrib/liba/libapt/2.0
if (Component != NULL && strlen(Component) != 0)
path = std::string(Component) + "/" + path;
- return SubstVar(Template, "CHANGEPATH", path);
+ return SubstVar(Template, "@CHANGEPATH@", path);
}
/*}}}*/
// AcqChangelog::Failed - Failure handler /*{{{*/
ErrorText = errText;
else
ErrorText = errText + " (" + ErrorText + ")";
- return;
}
/*}}}*/
// AcqChangelog::Done - Item downloaded OK /*{{{*/
pkgAcquire::MethodConfig const * const Cnf)
{
Item::Done(Message,CalcHashes,Cnf);
+ if (d->FinalFile.empty() == false)
+ {
+ if (RemoveFile("pkgAcqChangelog::Done", d->FinalFile) == false ||
+ Rename(DestFile, d->FinalFile) == false)
+ Status = StatError;
+ }
Complete = true;
}
RemoveFile("~pkgAcqChangelog", DestFile);
rmdir(TemporaryDirectory.c_str());
}
+ delete d;
}
/*}}}*/
projects / apt.git / blobdiff