diff options
Diffstat (limited to 'apt-pkg')
| -rw-r--r-- | apt-pkg/acquire-item.cc | 829 | ||||
| -rw-r--r-- | apt-pkg/acquire-item.h | 447 | ||||
| -rw-r--r-- | apt-pkg/acquire.cc | 1 | ||||
| -rw-r--r-- | apt-pkg/deb/debmetaindex.cc | 26 |
4 files changed, 711 insertions, 592 deletions
diff --git a/apt-pkg/acquire-item.cc b/apt-pkg/acquire-item.cc index 7ad6a794e..5bfc72adf 100644 --- a/apt-pkg/acquire-item.cc +++ b/apt-pkg/acquire-item.cc @@ -64,13 +64,17 @@ static void printHashSumComparision(std::string const &URI, HashStringList const /*}}}*/ // Acquire::Item::Item - Constructor /*{{{*/ -pkgAcquire::Item::Item(pkgAcquire *Owner, HashStringList const &ExpectedHashes) : - Owner(Owner), FileSize(0), PartialSize(0), Mode(0), ID(0), Complete(false), - Local(false), QueueCounter(0), ExpectedAdditionalItems(0), - ExpectedHashes(ExpectedHashes) +pkgAcquire::Item::Item(pkgAcquire *Owner, + HashStringList const &ExpectedHashes, + pkgAcqMetaBase *TransactionManager) + : Owner(Owner), FileSize(0), PartialSize(0), Mode(0), ID(0), Complete(false), + Local(false), QueueCounter(0), TransactionManager(TransactionManager), + ExpectedAdditionalItems(0), ExpectedHashes(ExpectedHashes) { Owner->Add(this); Status = StatIdle; + if(TransactionManager != NULL) + TransactionManager->Add(this); } /*}}}*/ // Acquire::Item::~Item - Destructor /*{{{*/ @@ -88,7 +92,8 @@ pkgAcquire::Item::~Item() void pkgAcquire::Item::Failed(string Message,pkgAcquire::MethodConfig *Cnf) { Status = StatIdle; - ErrorText = LookupTag(Message,"Message"); + if(ErrorText == "") + ErrorText = LookupTag(Message,"Message"); UsedMirror = LookupTag(Message,"UsedMirror"); if (QueueCounter <= 1) { @@ -134,7 +139,7 @@ void pkgAcquire::Item::Done(string Message,unsigned long long Size,HashStringLis { // We just downloaded something.. string FileName = LookupTag(Message,"Filename"); - UsedMirror = LookupTag(Message,"UsedMirror"); + UsedMirror = LookupTag(Message,"UsedMirror"); if (Complete == false && !Local && FileName == DestFile) { if (Owner->Log != 0) @@ -152,7 +157,7 @@ void pkgAcquire::Item::Done(string Message,unsigned long long Size,HashStringLis // --------------------------------------------------------------------- /* This helper function is used by a lot of item methods as their final step */ -void pkgAcquire::Item::Rename(string From,string To) +bool pkgAcquire::Item::Rename(string From,string To) { if (rename(From.c_str(),To.c_str()) != 0) { @@ -160,8 +165,10 @@ void pkgAcquire::Item::Rename(string From,string To) snprintf(S,sizeof(S),_("rename failed, %s (%s -> %s)."),strerror(errno), From.c_str(),To.c_str()); Status = StatError; - ErrorText = S; + ErrorText += S; + return false; } + return true; } /*}}}*/ bool pkgAcquire::Item::RenameOnError(pkgAcquire::Item::RenameOnErrorState const error)/*{{{*/ @@ -234,118 +241,6 @@ void pkgAcquire::Item::ReportMirrorFailure(string FailCode) } } /*}}}*/ -// AcqSubIndex::AcqSubIndex - Constructor /*{{{*/ -// --------------------------------------------------------------------- -/* Get a sub-index file based on checksums from a 'master' file and - possibly query additional files */ -pkgAcqSubIndex::pkgAcqSubIndex(pkgAcquire *Owner, string const &URI, - string const &URIDesc, string const &ShortDesc, - HashStringList const &ExpectedHashes) - : Item(Owner, ExpectedHashes) -{ - /* XXX: Beware: Currently this class does nothing (of value) anymore ! */ - Debug = _config->FindB("Debug::pkgAcquire::SubIndex",false); - - DestFile = _config->FindDir("Dir::State::lists") + "partial/"; - DestFile += URItoFileName(URI); - - Desc.URI = URI; - Desc.Description = URIDesc; - Desc.Owner = this; - Desc.ShortDesc = ShortDesc; - - QueueURI(Desc); - - if(Debug) - std::clog << "pkgAcqSubIndex: " << Desc.URI << std::endl; -} - /*}}}*/ -// AcqSubIndex::Custom600Headers - Insert custom request headers /*{{{*/ -// --------------------------------------------------------------------- -/* The only header we use is the last-modified header. */ -string pkgAcqSubIndex::Custom600Headers() const -{ - string Final = _config->FindDir("Dir::State::lists"); - Final += URItoFileName(Desc.URI); - - struct stat Buf; - if (stat(Final.c_str(),&Buf) != 0) - return "\nIndex-File: true\nFail-Ignore: true\n"; - return "\nIndex-File: true\nFail-Ignore: true\nLast-Modified: " + TimeRFC1123(Buf.st_mtime); -} - /*}}}*/ -void pkgAcqSubIndex::Failed(string Message,pkgAcquire::MethodConfig * /*Cnf*/)/*{{{*/ -{ - if(Debug) - std::clog << "pkgAcqSubIndex failed: " << Desc.URI << " with " << Message << std::endl; - - Complete = false; - Status = StatDone; - Dequeue(); - - // No good Index is provided -} - /*}}}*/ -void pkgAcqSubIndex::Done(string Message,unsigned long long Size,HashStringList const &Hashes, /*{{{*/ - pkgAcquire::MethodConfig *Cnf) -{ - if(Debug) - std::clog << "pkgAcqSubIndex::Done(): " << Desc.URI << std::endl; - - string FileName = LookupTag(Message,"Filename"); - if (FileName.empty() == true) - { - Status = StatError; - ErrorText = "Method gave a blank filename"; - return; - } - - if (FileName != DestFile) - { - Local = true; - Desc.URI = "copy:" + FileName; - QueueURI(Desc); - return; - } - - Item::Done(Message, Size, Hashes, Cnf); - - string FinalFile = _config->FindDir("Dir::State::lists")+URItoFileName(Desc.URI); - - /* Downloaded invalid transindex => Error (LP: #346386) (Closes: #627642) */ - indexRecords SubIndexParser; - if (FileExists(DestFile) == true && !SubIndexParser.Load(DestFile)) { - Status = StatError; - ErrorText = SubIndexParser.ErrorText; - return; - } - - // success in downloading the index - // rename the index - if(Debug) - std::clog << "Renaming: " << DestFile << " -> " << FinalFile << std::endl; - Rename(DestFile,FinalFile); - chmod(FinalFile.c_str(),0644); - DestFile = FinalFile; - - if(ParseIndex(DestFile) == false) - return Failed("", NULL); - - Complete = true; - Status = StatDone; - Dequeue(); - return; -} - /*}}}*/ -bool pkgAcqSubIndex::ParseIndex(string const &IndexFile) /*{{{*/ -{ - indexRecords SubIndexParser; - if (FileExists(IndexFile) == false || SubIndexParser.Load(IndexFile) == false) - return false; - // so something with the downloaded index - return true; -} - /*}}}*/ // AcqDiffIndex::AcqDiffIndex - Constructor /*{{{*/ // --------------------------------------------------------------------- /* Get the DiffIndex file first and see if there are patches available @@ -354,10 +249,12 @@ bool pkgAcqSubIndex::ParseIndex(string const &IndexFile) /*{{{*/ * the original packages file */ pkgAcqDiffIndex::pkgAcqDiffIndex(pkgAcquire *Owner, + pkgAcqMetaBase *TransactionManager, IndexTarget const * const Target, HashStringList const &ExpectedHashes, indexRecords *MetaIndexParser) - : pkgAcqBaseIndex(Owner, Target, ExpectedHashes, MetaIndexParser) + : pkgAcqBaseIndex(Owner, TransactionManager, Target, ExpectedHashes, + MetaIndexParser), PackagesFileReadyInPartial(false) { Debug = _config->FindB("Debug::pkgAcquire::Diffs",false); @@ -453,9 +350,14 @@ bool pkgAcqDiffIndex::ParseDiffIndex(string IndexDiffFile) /*{{{*/ // we have the same sha1 as the server so we are done here if(Debug) std::clog << "Package file is up-to-date" << std::endl; + // ensure we have no leftovers from previous runs + std::string Partial = _config->FindDir("Dir::State::lists"); + Partial += "partial/" + URItoFileName(RealURI); + unlink(Partial.c_str()); // 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, Target, ExpectedHashes, MetaIndexParser, + new pkgAcqIndexDiffs(Owner, TransactionManager, Target, + ExpectedHashes, MetaIndexParser, ServerSha1, available_patches); return true; } @@ -522,6 +424,21 @@ bool pkgAcqDiffIndex::ParseDiffIndex(string IndexDiffFile) /*{{{*/ // we have something, queue the next diff if(found) { + // FIXME: make this use the method + PackagesFileReadyInPartial = true; + std::string Partial = _config->FindDir("Dir::State::lists"); + Partial += "partial/" + URItoFileName(RealURI); + + FileFd From(CurrentPackagesFile, FileFd::ReadOnly); + FileFd To(Partial, FileFd::WriteEmpty); + if(CopyFile(From, To) == false) + return _error->Errno("CopyFile", "failed to copy"); + + if(Debug) + std::cerr << "Done copying " << CurrentPackagesFile + << " -> " << Partial + << std::endl; + // queue the diffs string::size_type const last_space = Description.rfind(" "); if(last_space != string::npos) @@ -542,24 +459,27 @@ bool pkgAcqDiffIndex::ParseDiffIndex(string IndexDiffFile) /*{{{*/ if (pdiff_merge == false) { - new pkgAcqIndexDiffs(Owner, Target, ExpectedHashes, MetaIndexParser, + new pkgAcqIndexDiffs(Owner, TransactionManager, Target, ExpectedHashes, + MetaIndexParser, ServerSha1, available_patches); } else { std::vector<pkgAcqIndexMergeDiffs*> *diffs = new std::vector<pkgAcqIndexMergeDiffs*>(available_patches.size()); for(size_t i = 0; i < available_patches.size(); ++i) - (*diffs)[i] = new pkgAcqIndexMergeDiffs(Owner, Target, + (*diffs)[i] = new pkgAcqIndexMergeDiffs(Owner, + TransactionManager, + Target, ExpectedHashes, MetaIndexParser, available_patches[i], diffs); } - Complete = false; - Status = StatDone; - Dequeue(); - return true; + Complete = false; + Status = StatDone; + Dequeue(); + return true; } } @@ -577,7 +497,7 @@ void pkgAcqDiffIndex::Failed(string Message,pkgAcquire::MethodConfig * /*Cnf*/)/ std::clog << "pkgAcqDiffIndex failed: " << Desc.URI << " with " << Message << std::endl << "Falling back to normal index file acquire" << std::endl; - new pkgAcqIndex(Owner, Target, ExpectedHashes, MetaIndexParser); + new pkgAcqIndex(Owner, TransactionManager, Target, ExpectedHashes, MetaIndexParser); Complete = false; Status = StatDone; @@ -620,12 +540,13 @@ void pkgAcqDiffIndex::Done(string Message,unsigned long long Size,HashStringList * for each diff and the index */ pkgAcqIndexDiffs::pkgAcqIndexDiffs(pkgAcquire *Owner, + pkgAcqMetaBase *TransactionManager, struct IndexTarget const * const Target, HashStringList const &ExpectedHashes, indexRecords *MetaIndexParser, string ServerSha1, vector<DiffInfo> diffs) - : pkgAcqBaseIndex(Owner, Target, ExpectedHashes, MetaIndexParser), + : pkgAcqBaseIndex(Owner, TransactionManager, Target, ExpectedHashes, MetaIndexParser), available_patches(diffs), ServerSha1(ServerSha1) { @@ -641,7 +562,9 @@ pkgAcqIndexDiffs::pkgAcqIndexDiffs(pkgAcquire *Owner, if(available_patches.empty() == true) { - // we are done (yeah!) + // we are done (yeah!), check hashes against the final file + DestFile = _config->FindDir("Dir::State::lists"); + DestFile += URItoFileName(Target->URI); Finish(true); } else @@ -657,20 +580,22 @@ void pkgAcqIndexDiffs::Failed(string Message,pkgAcquire::MethodConfig * /*Cnf*/) if(Debug) std::clog << "pkgAcqIndexDiffs failed: " << Desc.URI << " with " << Message << std::endl << "Falling back to normal index file acquire" << std::endl; - new pkgAcqIndex(Owner, Target, ExpectedHashes, MetaIndexParser); + new pkgAcqIndex(Owner, TransactionManager, Target, ExpectedHashes, MetaIndexParser); Finish(); } /*}}}*/ // Finish - helper that cleans the item out of the fetcher queue /*{{{*/ void pkgAcqIndexDiffs::Finish(bool allDone) { + if(Debug) + std::clog << "pkgAcqIndexDiffs::Finish(): " + << allDone << " " + << Desc.URI << std::endl; + // we restore the original name, this is required, otherwise // the file will be cleaned if(allDone) { - DestFile = _config->FindDir("Dir::State::lists"); - DestFile += URItoFileName(RealURI); - if(HashSums().usable() && !HashSums().VerifyFile(DestFile)) { RenameOnError(HashSumMismatch); @@ -678,6 +603,16 @@ void pkgAcqIndexDiffs::Finish(bool allDone) return; } + // queue for copy + PartialFile = _config->FindDir("Dir::State::lists")+"partial/"+URItoFileName(RealURI); + + DestFile = _config->FindDir("Dir::State::lists"); + DestFile += URItoFileName(RealURI); + + // this happens if we have a up-to-date indexfile + if(!FileExists(PartialFile)) + PartialFile = DestFile; + // this is for the "real" finish Complete = true; Status = StatDone; @@ -697,10 +632,15 @@ void pkgAcqIndexDiffs::Finish(bool allDone) /*}}}*/ bool pkgAcqIndexDiffs::QueueNextDiff() /*{{{*/ { - // calc sha1 of the just patched file string FinalFile = _config->FindDir("Dir::State::lists"); - FinalFile += URItoFileName(RealURI); + FinalFile += "partial/" + URItoFileName(RealURI); + + if(!FileExists(FinalFile)) + { + Failed("No FinalFile " + FinalFile + " available", NULL); + return false; + } FileFd fd(FinalFile, FileFd::ReadOnly); SHA1Summation SHA1; @@ -710,6 +650,7 @@ bool pkgAcqIndexDiffs::QueueNextDiff() /*{{{*/ std::clog << "QueueNextDiff: " << FinalFile << " (" << local_sha1 << ")"<<std::endl; + // final file reached before all patches are applied if(local_sha1 == ServerSha1) { @@ -731,7 +672,7 @@ bool pkgAcqIndexDiffs::QueueNextDiff() /*{{{*/ // error checking and falling back if no patch was found if(available_patches.empty() == true) { - Failed("", NULL); + Failed("No patches available", NULL); return false; } @@ -758,7 +699,7 @@ void pkgAcqIndexDiffs::Done(string Message,unsigned long long Size, HashStringLi Item::Done(Message, Size, Hashes, Cnf); string FinalFile; - FinalFile = _config->FindDir("Dir::State::lists")+URItoFileName(RealURI); + FinalFile = _config->FindDir("Dir::State::lists")+"partial/"+URItoFileName(RealURI); // success in downloading a diff, enter ApplyDiff state if(State == StateFetchDiff) @@ -797,23 +738,26 @@ void pkgAcqIndexDiffs::Done(string Message,unsigned long long Size, HashStringLi // see if there is more to download if(available_patches.empty() == false) { - new pkgAcqIndexDiffs(Owner, Target, + new pkgAcqIndexDiffs(Owner, TransactionManager, Target, ExpectedHashes, MetaIndexParser, ServerSha1, available_patches); return Finish(); } else + // update + DestFile = FinalFile; return Finish(true); } } /*}}}*/ // AcqIndexMergeDiffs::AcqIndexMergeDiffs - Constructor /*{{{*/ pkgAcqIndexMergeDiffs::pkgAcqIndexMergeDiffs(pkgAcquire *Owner, + pkgAcqMetaBase *TransactionManager, struct IndexTarget const * const Target, HashStringList const &ExpectedHashes, indexRecords *MetaIndexParser, DiffInfo const &patch, std::vector<pkgAcqIndexMergeDiffs*> const * const allPatches) - : pkgAcqBaseIndex(Owner, Target, ExpectedHashes, MetaIndexParser), + : pkgAcqBaseIndex(Owner, TransactionManager, Target, ExpectedHashes, MetaIndexParser), patch(patch), allPatches(allPatches), State(StateFetchDiff) { @@ -856,7 +800,7 @@ void pkgAcqIndexMergeDiffs::Failed(string Message,pkgAcquire::MethodConfig * /*C // first failure means we should fallback State = StateErrorDiff; std::clog << "Falling back to normal index file acquire" << std::endl; - new pkgAcqIndex(Owner, Target, ExpectedHashes, MetaIndexParser); + new pkgAcqIndex(Owner, TransactionManager, Target, ExpectedHashes, MetaIndexParser); } /*}}}*/ void pkgAcqIndexMergeDiffs::Done(string Message,unsigned long long Size,HashStringList const &Hashes, /*{{{*/ @@ -867,7 +811,7 @@ void pkgAcqIndexMergeDiffs::Done(string Message,unsigned long long Size,HashStri Item::Done(Message,Size,Hashes,Cnf); - string const FinalFile = _config->FindDir("Dir::State::lists") + URItoFileName(RealURI); + string const FinalFile = _config->FindDir("Dir::State::lists") + "partial/" + URItoFileName(RealURI); if (State == StateFetchDiff) { @@ -907,21 +851,27 @@ void pkgAcqIndexMergeDiffs::Done(string Message,unsigned long long Size,HashStri return; } + + std::string FinalFile = _config->FindDir("Dir::State::lists"); + FinalFile += URItoFileName(RealURI); + // move the result into place if(Debug) - std::clog << "Moving patched file in place: " << std::endl + std::clog << "Queue patched file in place: " << std::endl << DestFile << " -> " << FinalFile << std::endl; - Rename(DestFile, FinalFile); - chmod(FinalFile.c_str(), 0644); - // otherwise lists cleanup will eat the file + // queue for copy by the transaction manager + PartialFile = DestFile; DestFile = FinalFile; // 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 patch = FinalFile + ".ed." + (*I)->patch.file + ".gz"; + std::string PartialFile = _config->FindDir("Dir::State::lists"); + PartialFile += "partial/" + URItoFileName(RealURI); + std::string patch = PartialFile + ".ed." + (*I)->patch.file + ".gz"; + std::cerr << patch << std::endl; unlink(patch.c_str()); } @@ -938,29 +888,40 @@ void pkgAcqIndexMergeDiffs::Done(string Message,unsigned long long Size,HashStri instantiated to fetch the revision file */ pkgAcqIndex::pkgAcqIndex(pkgAcquire *Owner, string URI,string URIDesc,string ShortDesc, - HashStringList const &ExpectedHash, string comprExt) - : pkgAcqBaseIndex(Owner, NULL, ExpectedHash, NULL), RealURI(URI) + HashStringList const &ExpectedHash) + : pkgAcqBaseIndex(Owner, 0, NULL, ExpectedHash, NULL), RealURI(URI) { - if(comprExt.empty() == true) - { - // autoselect the compression method - std::vector<std::string> types = APT::Configuration::getCompressionTypes(); - for (std::vector<std::string>::const_iterator t = types.begin(); t != types.end(); ++t) - comprExt.append(*t).append(" "); - if (comprExt.empty() == false) - comprExt.erase(comprExt.end()-1); - } - CompressionExtension = comprExt; - + AutoSelectCompression(); Init(URI, URIDesc, ShortDesc); + + if(_config->FindB("Debug::Acquire::Transaction", false) == true) + std::clog << "New pkgIndex with TransactionManager " + << TransactionManager << std::endl; } -pkgAcqIndex::pkgAcqIndex(pkgAcquire *Owner, IndexTarget const *Target, + /*}}}*/ +// AcqIndex::AcqIndex - Constructor /*{{{*/ +// --------------------------------------------------------------------- +pkgAcqIndex::pkgAcqIndex(pkgAcquire *Owner, + pkgAcqMetaBase *TransactionManager, + IndexTarget const *Target, HashStringList const &ExpectedHash, indexRecords *MetaIndexParser) - : pkgAcqBaseIndex(Owner, Target, ExpectedHash, MetaIndexParser), - RealURI(Target->URI) + : pkgAcqBaseIndex(Owner, TransactionManager, Target, ExpectedHash, + MetaIndexParser), RealURI(Target->URI) { // autoselect the compression method + AutoSelectCompression(); + Init(Target->URI, Target->Description, Target->ShortDesc); + + if(_config->FindB("Debug::Acquire::Transaction", false) == true) + std::clog << "New pkgIndex with TransactionManager " + << TransactionManager << std::endl; +} + /*}}}*/ +// AcqIndex::AutoSelectCompression - Select compression /*{{{*/ +// --------------------------------------------------------------------- +void pkgAcqIndex::AutoSelectCompression() +{ std::vector<std::string> types = APT::Configuration::getCompressionTypes(); CompressionExtension = ""; if (ExpectedHashes.usable()) @@ -976,12 +937,12 @@ pkgAcqIndex::pkgAcqIndex(pkgAcquire *Owner, IndexTarget const *Target, } if (CompressionExtension.empty() == false) CompressionExtension.erase(CompressionExtension.end()-1); - - Init(Target->URI, Target->Description, Target->ShortDesc); } - /*}}}*/ // AcqIndex::Init - defered Constructor /*{{{*/ -void pkgAcqIndex::Init(string const &URI, string const &URIDesc, string const &ShortDesc) { +// --------------------------------------------------------------------- +void pkgAcqIndex::Init(string const &URI, string const &URIDesc, + string const &ShortDesc) +{ Decompression = false; Erase = false; @@ -989,7 +950,6 @@ void pkgAcqIndex::Init(string const &URI, string const &URIDesc, string const &S DestFile += URItoFileName(URI); std::string const comprExt = CompressionExtension.substr(0, CompressionExtension.find(' ')); - std::string MetaKey; if (comprExt == "uncompressed") { Desc.URI = URI; @@ -1057,16 +1017,9 @@ void pkgAcqIndex::InitByHashIfNeeded(const std::string MetaKey) /* The only header we use is the last-modified header. */ string pkgAcqIndex::Custom600Headers() const { - string Final = _config->FindDir("Dir::State::lists"); - Final += URItoFileName(RealURI); - if (_config->FindB("Acquire::GzipIndexes",false)) - Final += ".gz"; + string Final = GetFinalFilename(); string msg = "\nIndex-File: true"; - // FIXME: this really should use "IndexTarget::IsOptional()" but that - // seems to be difficult without breaking ABI - if (ShortDesc().find("Translation") != 0) - msg += "\nFail-Ignore: true"; struct stat Buf; if (stat(Final.c_str(),&Buf) == 0) msg += "\nLast-Modified: " + TimeRFC1123(Buf.st_mtime); @@ -1074,6 +1027,9 @@ string pkgAcqIndex::Custom600Headers() const return msg; } /*}}}*/ +// pkgAcqIndex::Failed - getting the indexfile failed /*{{{*/ +// --------------------------------------------------------------------- +/* */ void pkgAcqIndex::Failed(string Message,pkgAcquire::MethodConfig *Cnf) /*{{{*/ { size_t const nextExt = CompressionExtension.find(' '); @@ -1092,41 +1048,49 @@ void pkgAcqIndex::Failed(string Message,pkgAcquire::MethodConfig *Cnf) /*{{{*/ } Item::Failed(Message,Cnf); + + /// cancel the entire transaction + TransactionManager->AbortTransaction(); } /*}}}*/ // pkgAcqIndex::GetFinalFilename - Return the full final file path /*{{{*/ -std::string pkgAcqIndex::GetFinalFilename(std::string const &URI, - std::string const &compExt) +// --------------------------------------------------------------------- +/* */ +std::string pkgAcqIndex::GetFinalFilename() const { + std::string const compExt = CompressionExtension.substr(0, CompressionExtension.find(' ')); std::string FinalFile = _config->FindDir("Dir::State::lists"); - FinalFile += URItoFileName(URI); + FinalFile += URItoFileName(RealURI); if (_config->FindB("Acquire::GzipIndexes",false) && compExt == "gz") FinalFile += ".gz"; return FinalFile; } - /*}}}*/ -// AcqIndex::ReverifyAfterIMS - Reverify index after an ims-hit /*{{{*/ -void pkgAcqIndex::ReverifyAfterIMS(std::string const &FileName) + /*}}}*/ +// AcqIndex::ReverifyAfterIMS - Reverify index after an ims-hit /*{{{*/ +// --------------------------------------------------------------------- +/* */ +void pkgAcqIndex::ReverifyAfterIMS() { std::string const compExt = CompressionExtension.substr(0, CompressionExtension.find(' ')); if (_config->FindB("Acquire::GzipIndexes",false) && compExt == "gz") DestFile += ".gz"; - string FinalFile = GetFinalFilename(RealURI, compExt); - Rename(FinalFile, FileName); + // copy FinalFile into partial/ so that we check the hash again + string FinalFile = GetFinalFilename(); Decompression = true; - Desc.URI = "copy:" + FileName; + Desc.URI = "copy:" + FinalFile; QueueURI(Desc); } - /*}}}*/ + /*}}}*/ // AcqIndex::Done - Finished a fetch /*{{{*/ // --------------------------------------------------------------------- /* This goes through a number of states.. On the initial fetch the method could possibly return an alternate filename which points to the uncompressed version of the file. If this is so the file is copied into the partial directory. In all other cases the file - is decompressed with a gzip uri. */ -void pkgAcqIndex::Done(string Message,unsigned long long Size,HashStringList const &Hashes, + is decompressed with a compressed uri. */ +void pkgAcqIndex::Done(string Message, unsigned long long Size, + HashStringList const &Hashes, pkgAcquire::MethodConfig *Cfg) { Item::Done(Message,Size,Hashes,Cfg); @@ -1139,6 +1103,7 @@ void pkgAcqIndex::Done(string Message,unsigned long long Size,HashStringList con Desc.URI = RealURI; RenameOnError(HashSumMismatch); printHashSumComparision(RealURI, ExpectedHashes, Hashes); + Failed(Message, Cfg); return; } @@ -1148,8 +1113,9 @@ void pkgAcqIndex::Done(string Message,unsigned long long Size,HashStringList con /* Always verify the index file for correctness (all indexes must * have a Package field) (LP: #346386) (Closes: #627642) */ - FileFd fd(DestFile, FileFd::ReadOnlyGzip); - // Only test for correctness if the file is not empty (empty is ok) + FileFd fd(DestFile, FileFd::ReadOnly, FileFd::Extension); + // Only test for correctness if the content of the file is not empty + // (empty is ok) if (fd.Size() > 0) { pkgTagSection sec; @@ -1159,28 +1125,39 @@ void pkgAcqIndex::Done(string Message,unsigned long long Size,HashStringList con if (_error->PendingError() == true || tag.Step(sec) == false || sec.Exists("Package") == false) { RenameOnError(InvalidFormat); + Failed(Message, Cfg); return; } } - // Done, move it into position - string FinalFile = GetFinalFilename(RealURI, compExt); - Rename(DestFile,FinalFile); - chmod(FinalFile.c_str(),0644); - - /* We restore the original name to DestFile so that the clean operation - will work OK */ - DestFile = _config->FindDir("Dir::State::lists") + "partial/"; - DestFile += URItoFileName(RealURI); - if (_config->FindB("Acquire::GzipIndexes",false) && compExt == "gz") - DestFile += ".gz"; + // FIXME: can we void the "Erase" bool here as its very non-local? + std::string CompressedFile = _config->FindDir("Dir::State::lists") + "partial/"; + CompressedFile += URItoFileName(RealURI); // Remove the compressed version. if (Erase == true) - unlink(DestFile.c_str()); + unlink(CompressedFile.c_str()); + + // Done, queue for rename on transaction finished + PartialFile = DestFile; + DestFile = GetFinalFilename(); return; } + + // FIXME: use the same method to find + // check the compressed hash too + if(MetaKey != "" && Hashes.size() > 0) + { + indexRecords::checkSum *Record = MetaIndexParser->Lookup(MetaKey); + if(Record && Record->Hashes.usable() && Hashes != Record->Hashes) + { + RenameOnError(HashSumMismatch); + printHashSumComparision(RealURI, Record->Hashes, Hashes); + Failed(Message, Cfg); + return; + } + } Erase = false; Complete = true; @@ -1216,18 +1193,17 @@ void pkgAcqIndex::Done(string Message,unsigned long long Size,HashStringList con StringToBool(LookupTag(Message,"IMS-Hit"),false) == true) return; - // The files timestamp matches, for non-local URLs reverify the local - // file, for local file, uncompress again to ensure the hashsum is still - // matching the Release file - if (!Local && StringToBool(LookupTag(Message,"IMS-Hit"),false) == true) + // The files timestamp matches, reverify by copy into partial/ + if (StringToBool(LookupTag(Message,"IMS-Hit"),false) == true) { - ReverifyAfterIMS(FileName); + Erase = false; + ReverifyAfterIMS(); return; } string decompProg; // If we enable compressed indexes, queue for hash verification - if (_config->FindB("Acquire::GzipIndexes",false) && compExt == "gz" && !Local) + if (_config->FindB("Acquire::GzipIndexes",false) && compExt == "gz") { DestFile = _config->FindDir("Dir::State::lists"); DestFile += URItoFileName(RealURI) + ".gz"; @@ -1263,12 +1239,16 @@ void pkgAcqIndex::Done(string Message,unsigned long long Size,HashStringList con /* The Translation file is added to the queue */ pkgAcqIndexTrans::pkgAcqIndexTrans(pkgAcquire *Owner, string URI,string URIDesc,string ShortDesc) - : pkgAcqIndex(Owner, URI, URIDesc, ShortDesc, HashStringList(), "") + : pkgAcqIndex(Owner, URI, URIDesc, ShortDesc, HashStringList()) { } -pkgAcqIndexTrans::pkgAcqIndexTrans(pkgAcquire *Owner, IndexTarget const * const Target, - HashStringList const &ExpectedHashes, indexRecords *MetaIndexParser) - : pkgAcqIndex(Owner, Target, ExpectedHashes, MetaIndexParser) + /*}}}*/ +pkgAcqIndexTrans::pkgAcqIndexTrans(pkgAcquire *Owner, + pkgAcqMetaBase *TransactionManager, + IndexTarget const * const Target, + HashStringList const &ExpectedHashes, + indexRecords *MetaIndexParser) + : pkgAcqIndex(Owner, TransactionManager, Target, ExpectedHashes, MetaIndexParser) { // load the filesize indexRecords::checkSum *Record = MetaIndexParser->Lookup(string(Target->MetaKey)); @@ -1280,11 +1260,7 @@ pkgAcqIndexTrans::pkgAcqIndexTrans(pkgAcquire *Owner, IndexTarget const * const // --------------------------------------------------------------------- string pkgAcqIndexTrans::Custom600Headers() const { - string Final = _config->FindDir("Dir::State::lists"); - Final += URItoFileName(RealURI); - - if (_config->FindB("Acquire::GzipIndexes",false)) - Final += ".gz"; + string Final = GetFinalFilename(); struct stat Buf; if (stat(Final.c_str(),&Buf) != 0) @@ -1306,6 +1282,7 @@ void pkgAcqIndexTrans::Failed(string Message,pkgAcquire::MethodConfig *Cnf) return; } + // FIXME: this is used often (e.g. in pkgAcqIndexTrans) so refactor if (Cnf->LocalOnly == true || StringToBool(LookupTag(Message,"Transient-Failure"),false) == false) { @@ -1319,15 +1296,118 @@ void pkgAcqIndexTrans::Failed(string Message,pkgAcquire::MethodConfig *Cnf) Item::Failed(Message,Cnf); } /*}}}*/ -pkgAcqMetaSig::pkgAcqMetaSig(pkgAcquire *Owner, /*{{{*/ + +void pkgAcqMetaBase::Add(Item *I) +{ + Transaction.push_back(I); +} + +void pkgAcqMetaBase::AbortTransaction() +{ + if(_config->FindB("Debug::Acquire::Transaction", false) == true) + std::clog << "AbortTransaction: " << TransactionManager << std::endl; + + for (std::vector<Item*>::iterator I = Transaction.begin(); + I != Transaction.end(); ++I) + { + if(_config->FindB("Debug::Acquire::Transaction", false) == true) + std::clog << " Cancel: " << (*I)->DestFile << std::endl; + // the transaction will abort, so stop anything that is idle + if ((*I)->Status == pkgAcquire::Item::StatIdle) + (*I)->Status = pkgAcquire::Item::StatDone; + } +} + /*}}}*/ +bool pkgAcqMetaBase::TransactionHasError() +{ + for (pkgAcquire::ItemIterator I = Transaction.begin(); + I != Transaction.end(); ++I) + if((*I)->Status != pkgAcquire::Item::StatDone && + (*I)->Status != pkgAcquire::Item::StatIdle) + return true; + + return false; +} +// Acquire::CommitTransaction - Commit a transaction /*{{{*/ +void pkgAcqMetaBase::CommitTransaction() +{ + if(_config->FindB("Debug::Acquire::Transaction", false) == true) + std::clog << "CommitTransaction: " << this << std::endl; + + // move new files into place *and* remove files that are not + // part of the transaction but are still on disk + for (std::vector<Item*>::iterator I = Transaction.begin(); + I != Transaction.end(); ++I) + { + if((*I)->PartialFile != "") + { + if(_config->FindB("Debug::Acquire::Transaction", false) == true) + std::clog << "mv " + << (*I)->PartialFile << " -> " + << (*I)->DestFile << " " + << (*I)->DescURI() + << std::endl; + Rename((*I)->PartialFile, (*I)->DestFile); + chmod((*I)->DestFile.c_str(),0644); + } else { + if(_config->FindB("Debug::Acquire::Transaction", false) == true) + std::clog << "rm " + << (*I)->DestFile + << " " + << (*I)->DescURI() + << std::endl; + unlink((*I)->DestFile.c_str()); + } + // mark that this transaction is finished + (*I)->TransactionManager = 0; + } +} + + /*{{{*/ +bool pkgAcqMetaBase::GenerateAuthWarning(const std::string &RealURI, + const std::string &Message) +{ + string Final = _config->FindDir("Dir::State::lists") + URItoFileName(RealURI); + + if(FileExists(Final)) + { + 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\n"), + Desc.Description.c_str(), + LookupTag(Message,"Message").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()); + Status = StatError; + return true; + } else { + _error->Warning(_("GPG error: %s: %s"), + Desc.Description.c_str(), + LookupTag(Message,"Message").c_str()); + } + // gpgv method failed + ReportMirrorFailure("GPGFailure"); + return false; +} + /*}}}*/ + + +pkgAcqMetaSig::pkgAcqMetaSig(pkgAcquire *Owner, /*{{{*/ + pkgAcqMetaBase *TransactionManager, string URI,string URIDesc,string ShortDesc, - string MetaIndexURI, string MetaIndexURIDesc, - string MetaIndexShortDesc, + string MetaIndexFile, const vector<IndexTarget*>* IndexTargets, indexRecords* MetaIndexParser) : - Item(Owner, HashStringList()), RealURI(URI), MetaIndexURI(MetaIndexURI), - MetaIndexURIDesc(MetaIndexURIDesc), MetaIndexShortDesc(MetaIndexShortDesc), - MetaIndexParser(MetaIndexParser), IndexTargets(IndexTargets) + pkgAcqMetaBase(Owner, HashStringList(), TransactionManager), RealURI(URI), + MetaIndexParser(MetaIndexParser), MetaIndexFile(MetaIndexFile), + IndexTargets(IndexTargets), AuthPass(false), IMSHit(false) { DestFile = _config->FindDir("Dir::State::lists") + "partial/"; DestFile += URItoFileName(URI); @@ -1337,42 +1417,22 @@ pkgAcqMetaSig::pkgAcqMetaSig(pkgAcquire *Owner, /*{{{*/ // partial download anyway unlink(DestFile.c_str()); + // set the TransactionManager + if(_config->FindB("Debug::Acquire::Transaction", false) == true) + std::clog << "New pkgAcqMetaSig with TransactionManager " + << TransactionManager << std::endl; + // Create the item Desc.Description = URIDesc; Desc.Owner = this; Desc.ShortDesc = ShortDesc; Desc.URI = URI; - - string Final = _config->FindDir("Dir::State::lists"); - Final += URItoFileName(RealURI); - if (RealFileExists(Final) == true) - { - // File was already in place. It needs to be re-downloaded/verified - // because Release might have changed, we do give it a different - // name than DestFile because otherwise the http method will - // send If-Range requests and there are too many broken servers - // out there that do not understand them - LastGoodSig = DestFile+".reverify"; - Rename(Final,LastGoodSig); - } - - // we expect the indextargets + one additional Release file - ExpectedAdditionalItems = IndexTargets->size() + 1; QueueURI(Desc); } /*}}}*/ pkgAcqMetaSig::~pkgAcqMetaSig() /*{{{*/ { - // if the file was never queued undo file-changes done in the constructor - if (QueueCounter == 1 && Status == StatIdle && FileSize == 0 && Complete == false && - LastGoodSig.empty() == false) - { - string const Final = _config->FindDir("Dir::State::lists") + URItoFileName(RealURI); - if (RealFileExists(Final) == false && RealFileExists(LastGoodSig) == true) - Rename(LastGoodSig, Final); - } - } /*}}}*/ // pkgAcqMetaSig::Custom600Headers - Insert custom request headers /*{{{*/ @@ -1380,8 +1440,11 @@ pkgAcqMetaSig::~pkgAcqMetaSig() /*{{{*/ /* The only header we use is the last-modified header. */ string pkgAcqMetaSig::Custom600Headers() const { + string FinalFile = _config->FindDir("Dir::State::lists"); + FinalFile += URItoFileName(RealURI); + struct stat Buf; - if (stat(LastGoodSig.c_str(),&Buf) != 0) + if (stat(FinalFile.c_str(),&Buf) != 0) return "\nIndex-File: true"; return "\nIndex-File: true\nLast-Modified: " + TimeRFC1123(Buf.st_mtime); @@ -1409,21 +1472,40 @@ void pkgAcqMetaSig::Done(string Message,unsigned long long Size, HashStringList return; } - Complete = true; + if(StringToBool(LookupTag(Message,"IMS-Hit"),false) == true) + IMSHit = true; - // at this point pkgAcqMetaIndex takes over - ExpectedAdditionalItems = 0; + // adjust paths if its a ims-hit + if(IMSHit) + { + string FinalFile = _config->FindDir("Dir::State::lists"); + FinalFile += URItoFileName(RealURI); + + DestFile = PartialFile = FinalFile; + } - // put the last known good file back on i-m-s hit (it will - // be re-verified again) - // Else do nothing, we have the new file in DestFile then - if(StringToBool(LookupTag(Message,"IMS-Hit"),false) == true) - Rename(LastGoodSig, DestFile); + // queue for verify + if(AuthPass == false) + { + AuthPass = true; + Desc.URI = "gpgv:" + DestFile; + DestFile = MetaIndexFile; + QueueURI(Desc); + return; + } - // queue a pkgAcqMetaIndex to be verified against the sig we just retrieved - new pkgAcqMetaIndex(Owner, MetaIndexURI, MetaIndexURIDesc, - MetaIndexShortDesc, DestFile, IndexTargets, - MetaIndexParser); + // queue to copy the file in place if it was not a ims hit, on ims + // hit the file is already at the right place + if(IMSHit == false) + { + PartialFile = _config->FindDir("Dir::State::lists") + "partial/"; + PartialFile += URItoFileName(RealURI); + + DestFile = _config->FindDir("Dir::State::lists"); + DestFile += URItoFileName(RealURI); + } + + Complete = true; } /*}}}*/ @@ -1431,29 +1513,21 @@ void pkgAcqMetaSig::Failed(string Message,pkgAcquire::MethodConfig *Cnf)/*{{{*/ { string Final = _config->FindDir("Dir::State::lists") + URItoFileName(RealURI); - // at this point pkgAcqMetaIndex takes over - ExpectedAdditionalItems = 0; + // this ensures that any file in the lists/ dir is removed by the + // transaction + DestFile = _config->FindDir("Dir::State::lists") + "partial/"; + DestFile += URItoFileName(RealURI); + PartialFile = ""; - // if we get a network error we fail gracefully - if(Status == StatTransientNetworkError) + // FIXME: duplicated code from pkgAcqMetaIndex + if (AuthPass == true) { - Item::Failed(Message,Cnf); - // move the sigfile back on transient network failures - if(FileExists(LastGoodSig)) - Rename(LastGoodSig,Final); - - // set the status back to , Item::Failed likes to reset it - Status = pkgAcquire::Item::StatTransientNetworkError; - return; + bool Stop = GenerateAuthWarning(RealURI, Message); + if(Stop) + return; } - // Delete any existing sigfile when the acquire failed - unlink(Final.c_str()); - - // queue a pkgAcqMetaIndex with no sigfile - new pkgAcqMetaIndex(Owner, MetaIndexURI, MetaIndexURIDesc, MetaIndexShortDesc, - "", IndexTargets, MetaIndexParser); - + // FIXME: this is used often (e.g. in pkgAcqIndexTrans) so refactor if (Cnf->LocalOnly == true || StringToBool(LookupTag(Message,"Transient-Failure"),false) == false) { @@ -1463,33 +1537,50 @@ void pkgAcqMetaSig::Failed(string Message,pkgAcquire::MethodConfig *Cnf)/*{{{*/ Dequeue(); return; } - Item::Failed(Message,Cnf); } /*}}}*/ pkgAcqMetaIndex::pkgAcqMetaIndex(pkgAcquire *Owner, /*{{{*/ + pkgAcqMetaBase *TransactionManager, string URI,string URIDesc,string ShortDesc, - string SigFile, + string MetaIndexSigURI,string MetaIndexSigURIDesc, string MetaIndexSigShortDesc, const vector<IndexTarget*>* IndexTargets, indexRecords* MetaIndexParser) : - Item(Owner, HashStringList()), RealURI(URI), SigFile(SigFile), IndexTargets(IndexTargets), - MetaIndexParser(MetaIndexParser), AuthPass(false), IMSHit(false) + pkgAcqMetaBase(Owner, HashStringList(), TransactionManager), RealURI(URI), IndexTargets(IndexTargets), + MetaIndexParser(MetaIndexParser), AuthPass(false), IMSHit(false), + MetaIndexSigURI(MetaIndexSigURI), MetaIndexSigURIDesc(MetaIndexSigURIDesc), + MetaIndexSigShortDesc(MetaIndexSigShortDesc) +{ + if(TransactionManager == NULL) + { + this->TransactionManager = this; + this->TransactionManager->Add(this); + } + + if(_config->FindB("Debug::Acquire::Transaction", false) == true) + std::clog << "New pkgAcqMetaIndex with TransactionManager " + << this->TransactionManager << std::endl; + + + Init(URIDesc, ShortDesc); +} + /*}}}*/ +// pkgAcqMetaIndex::Init - Delayed constructor /*{{{*/ +void pkgAcqMetaIndex::Init(std::string URIDesc, std::string ShortDesc) { DestFile = _config->FindDir("Dir::State::lists") + "partial/"; - DestFile += URItoFileName(URI); + DestFile += URItoFileName(RealURI); // Create the item Desc.Description = URIDesc; Desc.Owner = this; Desc.ShortDesc = ShortDesc; - Desc.URI = URI; + Desc.URI = RealURI; // we expect more item ExpectedAdditionalItems = IndexTargets->size(); - QueueURI(Desc); } - /*}}}*/ // pkgAcqMetaIndex::Custom600Headers - Insert custom request headers /*{{{*/ // --------------------------------------------------------------------- /* The only header we use is the last-modified header. */ @@ -1530,25 +1621,12 @@ void pkgAcqMetaIndex::Done(string Message,unsigned long long Size,HashStringList if (SigFile == "") { - // There was no signature file, so we are finished. Download - // the indexes and do only hashsum verification if possible + // load indexes, the signature will downloaded afterwards MetaIndexParser->Load(DestFile); - QueueIndexes(false); + QueueIndexes(true); } else { - // FIXME: move this into pkgAcqMetaClearSig::Done on the next - // ABI break - - // if we expect a ClearTextSignature (InRelase), ensure that - // this is what we get and if not fail to queue a - // Release/Release.gpg, see #346386 - if (SigFile == DestFile && !StartsWithGPGClearTextSignature(DestFile)) - { - Failed(Message, Cfg); - return; - } - // There was a signature file, so pass it to gpgv for // verification if (_config->FindB("Debug::pkgAcquire::Auth", false)) @@ -1568,8 +1646,8 @@ void pkgAcqMetaIndex::Done(string Message,unsigned long long Size,HashStringList FinalFile += URItoFileName(RealURI); if (SigFile == DestFile) SigFile = FinalFile; - Rename(DestFile,FinalFile); - chmod(FinalFile.c_str(),0644); + // queue for copy in place + PartialFile = DestFile; DestFile = FinalFile; } } @@ -1604,14 +1682,24 @@ void pkgAcqMetaIndex::RetrievalDone(string Message) /*{{{*/ if (SigFile == DestFile) { SigFile = FinalFile; +#if 0 // constructor of pkgAcqMetaClearSig moved it out of the way, // now move it back in on IMS hit for the 'old' file string const OldClearSig = DestFile + ".reverify"; if (RealFileExists(OldClearSig) == true) Rename(OldClearSig, FinalFile); +#endif } DestFile = FinalFile; } + + // queue a signature + if(SigFile != DestFile) + new pkgAcqMetaSig(Owner, TransactionManager, + MetaIndexSigURI, MetaIndexSigURIDesc, + MetaIndexSigShortDesc, DestFile, IndexTargets, + MetaIndexParser); + Complete = true; } /*}}}*/ @@ -1638,6 +1726,8 @@ void pkgAcqMetaIndex::AuthDone(string Message) /*{{{*/ std::cerr << "Signature verification succeeded: " << DestFile << std::endl; +// we ensure this by other means +#if 0 // do not trust any previously unverified content that we may have string LastGoodSigFile = _config->FindDir("Dir::State::lists").append("partial/").append(URItoFileName(RealURI)); if (DestFile != SigFile) @@ -1658,11 +1748,12 @@ void pkgAcqMetaIndex::AuthDone(string Message) /*{{{*/ unlink(index.c_str()); } } - +#endif // Download further indexes with verification QueueIndexes(true); +#if 0 // is it a clearsigned MetaIndex file? if (DestFile == SigFile) return; @@ -1672,20 +1763,11 @@ void pkgAcqMetaIndex::AuthDone(string Message) /*{{{*/ URItoFileName(RealURI) + ".gpg"; Rename(SigFile,VerifiedSigFile); chmod(VerifiedSigFile.c_str(),0644); +#endif } /*}}}*/ void pkgAcqMetaIndex::QueueIndexes(bool verify) /*{{{*/ { -#if 0 - /* Reject invalid, existing Release files (LP: #346386) (Closes: #627642) - * FIXME: Disabled; it breaks unsigned repositories without hashes */ - if (!verify && FileExists(DestFile) && !MetaIndexParser->Load(DestFile)) - { - Status = StatError; - ErrorText = MetaIndexParser->ErrorText; - return; - } -#endif bool transInRelease = false; { std::vector<std::string> const keys = MetaIndexParser->MetaKeys(); @@ -1747,16 +1829,13 @@ void pkgAcqMetaIndex::QueueIndexes(bool verify) /*{{{*/ if ((*Target)->IsOptional() == true) { - if ((*Target)->IsSubIndex() == true) - new pkgAcqSubIndex(Owner, (*Target)->URI, (*Target)->Description, - (*Target)->ShortDesc, ExpectedIndexHashes); - else if (transInRelease == false || Record != NULL || compressedAvailable == true) + if (transInRelease == false || Record != NULL || compressedAvailable == true) { if (_config->FindB("Acquire::PDiffs",true) == true && transInRelease == true && MetaIndexParser->Exists((*Target)->MetaKey + ".diff/Index") == true) - new pkgAcqDiffIndex(Owner, *Target, ExpectedIndexHashes, MetaIndexParser); + new pkgAcqDiffIndex(Owner, TransactionManager, *Target, ExpectedIndexHashes, MetaIndexParser); else - new pkgAcqIndexTrans(Owner, *Target, ExpectedIndexHashes, MetaIndexParser); + new pkgAcqIndexTrans(Owner, TransactionManager, *Target, ExpectedIndexHashes, MetaIndexParser); } continue; } @@ -1767,9 +1846,9 @@ void pkgAcqMetaIndex::QueueIndexes(bool verify) /*{{{*/ instead, but passing the required info to it is to much hassle */ if(_config->FindB("Acquire::PDiffs",true) == true && (verify == false || MetaIndexParser->Exists((*Target)->MetaKey + ".diff/Index") == true)) - new pkgAcqDiffIndex(Owner, *Target, ExpectedIndexHashes, MetaIndexParser); + new pkgAcqDiffIndex(Owner, TransactionManager, *Target, ExpectedIndexHashes, MetaIndexParser); else - new pkgAcqIndex(Owner, *Target, ExpectedIndexHashes, MetaIndexParser); + new pkgAcqIndex(Owner, TransactionManager, *Target, ExpectedIndexHashes, MetaIndexParser); } } /*}}}*/ @@ -1853,44 +1932,16 @@ bool pkgAcqMetaIndex::VerifyVendor(string Message) /*{{{*/ // pkgAcqMetaIndex::Failed - no Release file present or no signature file present /*{{{*/ // --------------------------------------------------------------------- /* */ -void pkgAcqMetaIndex::Failed(string Message,pkgAcquire::MethodConfig * /*Cnf*/) +void pkgAcqMetaIndex::Failed(string Message, + pkgAcquire::MethodConfig * /*Cnf*/) { + string Final = _config->FindDir("Dir::State::lists") + URItoFileName(RealURI); + if (AuthPass == true) { - // gpgv method failed, if we have a good signature - string LastGoodSigFile = _config->FindDir("Dir::State::lists").append("partial/").append(URItoFileName(RealURI)); - if (DestFile != SigFile) - LastGoodSigFile.append(".gpg"); - LastGoodSigFile.append(".reverify"); - - if(FileExists(LastGoodSigFile)) - { - string VerifiedSigFile = _config->FindDir("Dir::State::lists") + URItoFileName(RealURI); - if (DestFile != SigFile) - VerifiedSigFile.append(".gpg"); - Rename(LastGoodSigFile, VerifiedSigFile); - 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\n"), - Desc.Description.c_str(), - LookupTag(Message,"Message").c_str()); - RunScripts("APT::Update::Auth-Failure"); - return; - } 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()); - return; - } else { - _error->Warning(_("GPG error: %s: %s"), - Desc.Description.c_str(), - LookupTag(Message,"Message").c_str()); - } - // gpgv method failed - ReportMirrorFailure("GPGFailure"); + bool Stop = GenerateAuthWarning(RealURI, Message); + if(Stop) + return; } /* Always move the meta index, even if gpgv failed. This ensures @@ -1907,9 +1958,9 @@ void pkgAcqMetaIndex::Failed(string Message,pkgAcquire::MethodConfig * /*Cnf*/) "Release"); SigFile = FinalFile; } - Rename(DestFile,FinalFile); - chmod(FinalFile.c_str(),0644); + // Done, queue for rename on transaction finished + PartialFile = DestFile; DestFile = FinalFile; } @@ -1918,22 +1969,33 @@ void pkgAcqMetaIndex::Failed(string Message,pkgAcquire::MethodConfig * /*Cnf*/) QueueIndexes(false); } /*}}}*/ + +void pkgAcqMetaIndex::Finished() +{ + if(_config->FindB("Debug::Acquire::Transaction", false) == true) + std::clog << "Finished: " << DestFile <<std::endl; + if(TransactionManager != NULL && + TransactionManager->TransactionHasError() == false) + TransactionManager->CommitTransaction(); +} + + pkgAcqMetaClearSig::pkgAcqMetaClearSig(pkgAcquire *Owner, /*{{{*/ string const &URI, string const &URIDesc, string const &ShortDesc, string const &MetaIndexURI, string const &MetaIndexURIDesc, string const &MetaIndexShortDesc, string const &MetaSigURI, string const &MetaSigURIDesc, string const &MetaSigShortDesc, const vector<IndexTarget*>* IndexTargets, indexRecords* MetaIndexParser) : - pkgAcqMetaIndex(Owner, URI, URIDesc, ShortDesc, "", IndexTargets, MetaIndexParser), - MetaIndexURI(MetaIndexURI), MetaIndexURIDesc(MetaIndexURIDesc), MetaIndexShortDesc(MetaIndexShortDesc), - MetaSigURI(MetaSigURI), MetaSigURIDesc(MetaSigURIDesc), MetaSigShortDesc(MetaSigShortDesc) + pkgAcqMetaIndex(Owner, NULL, URI, URIDesc, ShortDesc, MetaSigURI, MetaSigURIDesc,MetaSigShortDesc, IndexTargets, MetaIndexParser), + MetaIndexURI(MetaIndexURI), MetaIndexURIDesc(MetaIndexURIDesc), MetaIndexShortDesc(MetaIndexShortDesc), + MetaSigURI(MetaSigURI), MetaSigURIDesc(MetaSigURIDesc), MetaSigShortDesc(MetaSigShortDesc) { SigFile = DestFile; // index targets + (worst case:) Release/Release.gpg ExpectedAdditionalItems = IndexTargets->size() + 2; - +#if 0 // keep the old InRelease around in case of transistent network errors string const Final = _config->FindDir("Dir::State::lists") + URItoFileName(RealURI); if (RealFileExists(Final) == true) @@ -1941,10 +2003,12 @@ pkgAcqMetaClearSig::pkgAcqMetaClearSig(pkgAcquire *Owner, /*{{{*/ string const LastGoodSig = DestFile + ".reverify"; Rename(Final,LastGoodSig); } +#endif } /*}}}*/ pkgAcqMetaClearSig::~pkgAcqMetaClearSig() /*{{{*/ { +#if 0 // if the file was never queued undo file-changes done in the constructor if (QueueCounter == 1 && Status == StatIdle && FileSize == 0 && Complete == false) { @@ -1953,6 +2017,7 @@ pkgAcqMetaClearSig::~pkgAcqMetaClearSig() /*{{{*/ if (RealFileExists(Final) == false && RealFileExists(LastGoodSig) == true) Rename(LastGoodSig, Final); } +#endif } /*}}}*/ // pkgAcqMetaClearSig::Custom600Headers - Insert custom request headers /*{{{*/ @@ -1966,7 +2031,6 @@ string pkgAcqMetaClearSig::Custom600Headers() const struct stat Buf; if (stat(Final.c_str(),&Buf) != 0) { - Final = DestFile + ".reverify"; if (stat(Final.c_str(),&Buf) != 0) return "\nIndex-File: true\nFail-Ignore: true\n"; } @@ -1974,6 +2038,24 @@ string pkgAcqMetaClearSig::Custom600Headers() const return "\nIndex-File: true\nFail-Ignore: true\nLast-Modified: " + TimeRFC1123(Buf.st_mtime); } /*}}}*/ +// pkgAcqMetaClearSig::Done - We got a file /*{{{*/ +// --------------------------------------------------------------------- +void pkgAcqMetaClearSig::Done(std::string Message,unsigned long long Size, + HashStringList const &Hashes, + pkgAcquire::MethodConfig *Cnf) +{ + // if we expect a ClearTextSignature (InRelase), ensure that + // this is what we get and if not fail to queue a + // Release/Release.gpg, see #346386 + if (FileExists(DestFile) && !StartsWithGPGClearTextSignature(DestFile)) + { + pkgAcquire::Item::Failed(Message, Cnf); + ErrorText = _("Does not start with a cleartext signature"); + return; + } + pkgAcqMetaIndex::Done(Message, Size, Hashes, Cnf); +} + /*}}}*/ void pkgAcqMetaClearSig::Failed(string Message,pkgAcquire::MethodConfig *Cnf) /*{{{*/ { // we failed, we will not get additional items from this method @@ -1981,16 +2063,17 @@ void pkgAcqMetaClearSig::Failed(string Message,pkgAcquire::MethodConfig *Cnf) /* if (AuthPass == false) { - // Remove the 'old' InRelease file if we try Release.gpg now as otherwise - // the file will stay around and gives a false-auth impression (CVE-2012-0214) + // Queue the 'old' InRelease file for removal if we try Release.gpg + // as otherwise the file will stay around and gives a false-auth + // impression (CVE-2012-0214) string FinalFile = _config->FindDir("Dir::State::lists"); FinalFile.append(URItoFileName(RealURI)); - if (FileExists(FinalFile)) - unlink(FinalFile.c_str()); + PartialFile = ""; + DestFile = FinalFile; - new pkgAcqMetaSig(Owner, - MetaSigURI, MetaSigURIDesc, MetaSigShortDesc, + new pkgAcqMetaIndex(Owner, TransactionManager, MetaIndexURI, MetaIndexURIDesc, MetaIndexShortDesc, + MetaSigURI, MetaSigURIDesc, MetaSigShortDesc, IndexTargets, MetaIndexParser); if (Cnf->LocalOnly == true || StringToBool(LookupTag(Message, "Transient-Failure"), false) == false) diff --git a/apt-pkg/acquire-item.h b/apt-pkg/acquire-item.h index c027a2764..15b566069 100644 --- a/apt-pkg/acquire-item.h +++ b/apt-pkg/acquire-item.h @@ -47,6 +47,7 @@ class indexRecords; class pkgRecords; class pkgSourceList; class IndexTarget; +class pkgAcqMetaBase; /** \brief Represents the process by which a pkgAcquire object should {{{ * retrieve a file or a collection of files. @@ -62,6 +63,8 @@ class IndexTarget; */ class pkgAcquire::Item : public WeakPointable { + void *d; + protected: /** \brief The acquire object with which this item is associated. */ @@ -87,7 +90,7 @@ class pkgAcquire::Item : public WeakPointable * \param To The new name of \a From. If \a To exists it will be * overwritten. */ - void Rename(std::string From,std::string To); + bool Rename(std::string From,std::string To); public: @@ -116,7 +119,7 @@ class pkgAcquire::Item : public WeakPointable /** \brief The item was could not be downloaded because of * a transient network error (e.g. network down) */ - StatTransientNetworkError + StatTransientNetworkError, } Status; /** \brief Contains a textual description of the error encountered @@ -168,6 +171,9 @@ class pkgAcquire::Item : public WeakPointable */ unsigned int QueueCounter; + /** \brief TransactionManager */ + pkgAcqMetaBase *TransactionManager; + /** \brief The number of additional fetch items that are expected * once this item is done. * @@ -183,6 +189,9 @@ class pkgAcquire::Item : public WeakPointable */ std::string DestFile; + /** \brief storge name until a transaction is finished */ + std::string PartialFile; + /** \brief Invoked by the acquire worker when the object couldn't * be fetched. * @@ -290,7 +299,8 @@ class pkgAcquire::Item : public WeakPointable * \param ExpectedHashes of the file represented by this item */ Item(pkgAcquire *Owner, - HashStringList const &ExpectedHashes=HashStringList()); + HashStringList const &ExpectedHashes=HashStringList(), + pkgAcqMetaBase *TransactionManager=NULL); /** \brief Remove this item from its owner's queue by invoking * pkgAcquire::Remove. @@ -330,62 +340,206 @@ struct DiffInfo { unsigned long size; }; /*}}}*/ -/** \brief An item that is responsible for fetching a SubIndex {{{ - * - * The MetaIndex file includes only records for important indexes - * and records for these SubIndex files so these can carry records - * for addition files like PDiffs and Translations - */ -class pkgAcqSubIndex : public pkgAcquire::Item + /*}}}*/ + +class pkgAcqMetaBase : public pkgAcquire::Item { + void *d; + protected: - /** \brief If \b true, debugging information will be written to std::clog. */ - bool Debug; + std::vector<Item*> Transaction; public: - // Specialized action members - virtual void Failed(std::string Message,pkgAcquire::MethodConfig *Cnf); - virtual void Done(std::string Message,unsigned long long Size, HashStringList const &Hashes, - pkgAcquire::MethodConfig *Cnf); - virtual std::string DescURI() const {return Desc.URI;}; - virtual std::string Custom600Headers() const; - virtual bool ParseIndex(std::string const &IndexFile); + // transaction code + void Add(Item *I); + void AbortTransaction(); + bool TransactionHasError() APT_PURE; + void CommitTransaction(); + + // helper for the signature warning + bool GenerateAuthWarning(const std::string &RealURI, + const std::string &Message); + + + pkgAcqMetaBase(pkgAcquire *Owner, + HashStringList const &ExpectedHashes=HashStringList(), + pkgAcqMetaBase *TransactionManager=NULL) + : Item(Owner, ExpectedHashes, TransactionManager) {}; +}; + - /** \brief Create a new pkgAcqSubIndex. +/** \brief An item that is responsible for downloading the meta-index {{{ + * file (i.e., Release) itself and verifying its signature. + * + * Once the download and verification are complete, the downloads of + * the individual index files are queued up using pkgAcqDiffIndex. + * If the meta-index file had a valid signature, the expected hashsums + * of the index files will be the md5sums listed in the meta-index; + * otherwise, the expected hashsums will be "" (causing the + * authentication of the index files to be bypassed). + */ +class pkgAcqMetaIndex : public pkgAcqMetaBase +{ + void *d; + + protected: + /** \brief The URI that is actually being downloaded; never + * modified by pkgAcqMetaIndex. + */ + std::string RealURI; + + /** \brief The file in which the signature for this index was stored. * - * \param Owner The Acquire object that owns this item. + * If empty, the signature and the md5sums of the individual + * indices will not be checked. + */ + std::string SigFile; + + /** \brief The index files to download. */ + const std::vector<IndexTarget*>* IndexTargets; + + /** \brief The parser for the meta-index file. */ + indexRecords* MetaIndexParser; + + /** \brief If \b true, the index's signature is currently being verified. + */ + bool AuthPass; + // required to deal gracefully with problems caused by incorrect ims hits + bool IMSHit; + + /** \brief Check that the release file is a release file for the + * correct distribution. * - * \param URI The URI of the list file to download. + * \return \b true if no fatal errors were encountered. + */ + bool VerifyVendor(std::string Message); + + /** \brief Called when a file is finished being retrieved. * - * \param URIDesc A long description of the list file to download. + * If the file was not downloaded to DestFile, a copy process is + * set up to copy it to DestFile; otherwise, Complete is set to \b + * true and the file is moved to its final location. * - * \param ShortDesc A short description of the list file to download. + * \param Message The message block received from the fetch + * subprocess. + */ + void RetrievalDone(std::string Message); + + /** \brief Called when authentication succeeded. * - * \param ExpectedHashes The list file's hashsums which are expected. + * Sanity-checks the authenticated file, queues up the individual + * index files for download, and saves the signature in the lists + * directory next to the authenticated list file. + * + * \param Message The message block received from the fetch + * subprocess. */ - pkgAcqSubIndex(pkgAcquire *Owner, std::string const &URI,std::string const &URIDesc, - std::string const &ShortDesc, HashStringList const &ExpectedHashes); + void AuthDone(std::string Message); + + /** \brief Starts downloading the individual index files. + * + * \param verify If \b true, only indices whose expected hashsum + * can be determined from the meta-index will be downloaded, and + * the hashsums of indices will be checked (reporting + * #StatAuthError if there is a mismatch). If verify is \b false, + * no hashsum checking will be performed. + */ + void QueueIndexes(bool verify); + + /** \brief The URI of the meta-index file for the detached signature */ + std::string MetaIndexSigURI; + + /** \brief A "URI-style" description of the meta-index file */ + std::string MetaIndexSigURIDesc; + + /** \brief A brief description of the meta-index file */ + std::string MetaIndexSigShortDesc; + + /** \brief delayed constructor */ + void Init(std::string URIDesc, std::string ShortDesc); + + public: + + // Specialized action members + virtual void Failed(std::string Message,pkgAcquire::MethodConfig *Cnf); + virtual void Done(std::string Message,unsigned long long Size, HashStringList const &Hashes, + pkgAcquire::MethodConfig *Cnf); + virtual std::string Custom600Headers() const; + virtual std::string DescURI() const {return RealURI; }; + virtual void Finished(); + + /** \brief Create a new pkgAcqMetaIndex. */ + pkgAcqMetaIndex(pkgAcquire *Owner, + pkgAcqMetaBase *TransactionManager, + std::string URI,std::string URIDesc, std::string ShortDesc, + std::string MetaIndexSigURI, std::string MetaIndexSigURIDesc, std::string MetaIndexSigShortDesc, + const std::vector<IndexTarget*>* IndexTargets, + indexRecords* MetaIndexParser); }; /*}}}*/ +/** \brief An item repsonsible for downloading clearsigned metaindexes {{{*/ +class pkgAcqMetaClearSig : public pkgAcqMetaIndex +{ + void *d; + + /** \brief The URI of the meta-index file for the detached signature */ + std::string MetaIndexURI; + + /** \brief A "URI-style" description of the meta-index file */ + std::string MetaIndexURIDesc; + + /** \brief A brief description of the meta-index file */ + std::string MetaIndexShortDesc; + + /** \brief The URI of the detached meta-signature file if the clearsigned one failed. */ + std::string MetaSigURI; + + /** \brief A "URI-style" description of the meta-signature file */ + std::string MetaSigURIDesc; + + /** \brief A brief description of the meta-signature file */ + std::string MetaSigShortDesc; + +public: + virtual void Failed(std::string Message,pkgAcquire::MethodConfig *Cnf); + virtual std::string Custom600Headers() const; + virtual void Done(std::string Message,unsigned long long Size, HashStringList const &Hashes, + pkgAcquire::MethodConfig *Cnf); + + /** \brief Create a new pkgAcqMetaClearSig. */ + pkgAcqMetaClearSig(pkgAcquire *Owner, + std::string const &URI, std::string const &URIDesc, std::string const &ShortDesc, + std::string const &MetaIndexURI, std::string const &MetaIndexURIDesc, std::string const &MetaIndexShortDesc, + std::string const &MetaSigURI, std::string const &MetaSigURIDesc, std::string const &MetaSigShortDesc, + const std::vector<IndexTarget*>* IndexTargets, + indexRecords* MetaIndexParser); + virtual ~pkgAcqMetaClearSig(); +}; + /*}}}*/ + /** \brief Common base class for all classes that deal with fetching {{{ indexes */ class pkgAcqBaseIndex : public pkgAcquire::Item { + void *d; + protected: /** \brief Pointer to the IndexTarget data */ const struct IndexTarget * Target; indexRecords *MetaIndexParser; + /** \brief The MetaIndex Key */ + std::string MetaKey; pkgAcqBaseIndex(pkgAcquire *Owner, + pkgAcqMetaBase *TransactionManager, struct IndexTarget const * const Target, HashStringList const &ExpectedHashes, indexRecords *MetaIndexParser) - : Item(Owner, ExpectedHashes), Target(Target), + : Item(Owner, ExpectedHashes, TransactionManager), Target(Target), MetaIndexParser(MetaIndexParser) {}; - }; /*}}}*/ /** \brief An item that is responsible for fetching an index file of {{{ @@ -399,6 +553,8 @@ class pkgAcqBaseIndex : public pkgAcquire::Item */ class pkgAcqDiffIndex : public pkgAcqBaseIndex { + void *d; + protected: /** \brief If \b true, debugging information will be written to std::clog. */ bool Debug; @@ -418,6 +574,10 @@ class pkgAcqDiffIndex : public pkgAcqBaseIndex */ std::string Description; + /** \brief If the copy step of the packages file is done + */ + bool PackagesFileReadyInPartial; + public: // Specialized action members virtual void Failed(std::string Message,pkgAcquire::MethodConfig *Cnf); @@ -452,6 +612,7 @@ class pkgAcqDiffIndex : public pkgAcqBaseIndex * \param ExpectedHashes The list file's hashsums which are expected. */ pkgAcqDiffIndex(pkgAcquire *Owner, + pkgAcqMetaBase *TransactionManager, struct IndexTarget const * const Target, HashStringList const &ExpectedHashes, indexRecords *MetaIndexParser); @@ -470,6 +631,8 @@ class pkgAcqDiffIndex : public pkgAcqBaseIndex */ class pkgAcqIndexMergeDiffs : public pkgAcqBaseIndex { + void *d; + protected: /** \brief If \b true, debugging output will be written to @@ -540,6 +703,7 @@ class pkgAcqIndexMergeDiffs : public pkgAcqBaseIndex * check if it was the last one to complete the download step */ pkgAcqIndexMergeDiffs(pkgAcquire *Owner, + pkgAcqMetaBase *TransactionManager, struct IndexTarget const * const Target, HashStringList const &ExpectedHash, indexRecords *MetaIndexParser, @@ -560,6 +724,8 @@ class pkgAcqIndexMergeDiffs : public pkgAcqBaseIndex */ class pkgAcqIndexDiffs : public pkgAcqBaseIndex { + void *d; + private: /** \brief Queue up the next diff download. @@ -641,7 +807,7 @@ class pkgAcqIndexDiffs : public pkgAcqBaseIndex virtual void Done(std::string Message,unsigned long long Size, HashStringList const &Hashes, pkgAcquire::MethodConfig *Cnf); - virtual std::string DescURI() const {return RealURI + "Index";}; + virtual std::string DescURI() const {return RealURI + "IndexDiffs";}; /** \brief Create an index diff item. * @@ -668,6 +834,7 @@ class pkgAcqIndexDiffs : public pkgAcqBaseIndex * that depends on it. */ pkgAcqIndexDiffs(pkgAcquire *Owner, + pkgAcqMetaBase *TransactionManager, struct IndexTarget const * const Target, HashStringList const &ExpectedHash, indexRecords *MetaIndexParser, @@ -684,6 +851,8 @@ class pkgAcqIndexDiffs : public pkgAcqBaseIndex */ class pkgAcqIndex : public pkgAcqBaseIndex { + void *d; + protected: /** \brief If \b true, the index file has been decompressed. */ @@ -694,9 +863,6 @@ class pkgAcqIndex : public pkgAcqBaseIndex */ bool Erase; - // Unused, used to be used to verify that "Packages: " header was there - bool __DELME_ON_NEXT_ABI_BREAK_Verify; - /** \brief The object that is actually being fetched (minus any * compression-related extensions). */ @@ -711,13 +877,15 @@ class pkgAcqIndex : public pkgAcqBaseIndex /** \brief Do the changes needed to fetch via AptByHash (if needed) */ void InitByHashIfNeeded(const std::string MetaKey); - /** \brief Get the full pathname of the final file for the given URI + /** \brief Auto select the right compression to use */ + void AutoSelectCompression(); + + /** \brief Get the full pathname of the final file for the current URI */ - std::string GetFinalFilename(std::string const &URI, - std::string const &compExt); + std::string GetFinalFilename() const; /** \brief Schedule file for verification after a IMS hit */ - void ReverifyAfterIMS(std::string const &FileName); + void ReverifyAfterIMS(); public: @@ -748,12 +916,12 @@ class pkgAcqIndex : public pkgAcqBaseIndex * fallback is ".gz" or none. */ pkgAcqIndex(pkgAcquire *Owner,std::string URI,std::string URIDesc, - std::string ShortDesc, HashStringList const &ExpectedHashes, - std::string compressExt=""); - pkgAcqIndex(pkgAcquire *Owner, + std::string ShortDesc, HashStringList const &ExpectedHashes); + pkgAcqIndex(pkgAcquire *Owner, pkgAcqMetaBase *TransactionManager, IndexTarget const * const Target, HashStringList const &ExpectedHash, indexRecords *MetaIndexParser); + void Init(std::string const &URI, std::string const &URIDesc, std::string const &ShortDesc); }; @@ -767,6 +935,8 @@ class pkgAcqIndex : public pkgAcqBaseIndex */ class pkgAcqIndexTrans : public pkgAcqIndex { + void *d; + public: virtual void Failed(std::string Message,pkgAcquire::MethodConfig *Cnf); @@ -783,15 +953,21 @@ class pkgAcqIndexTrans : public pkgAcqIndex * * \param ShortDesc A brief description of this index file. */ - pkgAcqIndexTrans(pkgAcquire *Owner,std::string URI,std::string URIDesc, + pkgAcqIndexTrans(pkgAcquire *Owner, + std::string URI,std::string URIDesc, std::string ShortDesc); - pkgAcqIndexTrans(pkgAcquire *Owner, IndexTarget const * const Target, - HashStringList const &ExpectedHashes, indexRecords *MetaIndexParser); + pkgAcqIndexTrans(pkgAcquire *Owner, + pkgAcqMetaBase *TransactionManager, + IndexTarget const * const Target, + HashStringList const &ExpectedHashes, + indexRecords *MetaIndexParser); }; /*}}}*/ /** \brief Information about an index file. */ /*{{{*/ class IndexTarget { + void *d; + public: /** \brief A URI from which the index file can be downloaded. */ std::string URI; @@ -810,35 +986,18 @@ class IndexTarget virtual bool IsOptional() const { return false; } - virtual bool IsSubIndex() const { - return false; - } }; /*}}}*/ /** \brief Information about an optional index file. */ /*{{{*/ class OptionalIndexTarget : public IndexTarget { + void *d; + virtual bool IsOptional() const { return true; } }; /*}}}*/ -/** \brief Information about an subindex index file. */ /*{{{*/ -class SubIndexTarget : public IndexTarget -{ - virtual bool IsSubIndex() const { - return true; - } -}; - /*}}}*/ -/** \brief Information about an subindex index file. */ /*{{{*/ -class OptionalSubIndexTarget : public OptionalIndexTarget -{ - virtual bool IsSubIndex() const { - return true; - } -}; - /*}}}*/ /** \brief An acquire item that downloads the detached signature {{{ * of a meta-index (Release) file, then queues up the release @@ -848,8 +1007,10 @@ class OptionalSubIndexTarget : public OptionalIndexTarget * * \sa pkgAcqMetaIndex */ -class pkgAcqMetaSig : public pkgAcquire::Item +class pkgAcqMetaSig : public pkgAcqMetaBase { + void *d; + protected: /** \brief The last good signature file */ std::string LastGoodSig; @@ -860,22 +1021,12 @@ class pkgAcqMetaSig : public pkgAcquire::Item */ std::string RealURI; - /** \brief The URI of the meta-index file to be fetched after the signature. */ - std::string MetaIndexURI; - - /** \brief A "URI-style" description of the meta-index file to be - * fetched after the signature. - */ - std::string MetaIndexURIDesc; - - /** \brief A brief description of the meta-index file to be fetched - * after the signature. - */ - std::string MetaIndexShortDesc; - /** \brief A package-system-specific parser for the meta-index file. */ indexRecords* MetaIndexParser; + /** \brief The file we need to verify */ + std::string MetaIndexFile; + /** \brief The index files which should be looked up in the meta-index * and then downloaded. * @@ -883,6 +1034,12 @@ class pkgAcqMetaSig : public pkgAcquire::Item */ const std::vector<IndexTarget*>* IndexTargets; + /** \brief If we are in fetching or download state */ + bool AuthPass; + + /** \brief Was this file already on disk */ + bool IMSHit; + public: // Specialized action members @@ -893,141 +1050,15 @@ class pkgAcqMetaSig : public pkgAcquire::Item virtual std::string DescURI() const {return RealURI; }; /** \brief Create a new pkgAcqMetaSig. */ - pkgAcqMetaSig(pkgAcquire *Owner,std::string URI,std::string URIDesc, std::string ShortDesc, - std::string MetaIndexURI, std::string MetaIndexURIDesc, std::string MetaIndexShortDesc, + pkgAcqMetaSig(pkgAcquire *Owner, + pkgAcqMetaBase *TransactionManager, + std::string URI,std::string URIDesc, std::string ShortDesc, + std::string MetaIndexFile, const std::vector<IndexTarget*>* IndexTargets, indexRecords* MetaIndexParser); virtual ~pkgAcqMetaSig(); }; /*}}}*/ -/** \brief An item that is responsible for downloading the meta-index {{{ - * file (i.e., Release) itself and verifying its signature. - * - * Once the download and verification are complete, the downloads of - * the individual index files are queued up using pkgAcqDiffIndex. - * If the meta-index file had a valid signature, the expected hashsums - * of the index files will be the md5sums listed in the meta-index; - * otherwise, the expected hashsums will be "" (causing the - * authentication of the index files to be bypassed). - */ -class pkgAcqMetaIndex : public pkgAcquire::Item -{ - protected: - /** \brief The URI that is actually being downloaded; never - * modified by pkgAcqMetaIndex. - */ - std::string RealURI; - - /** \brief The file in which the signature for this index was stored. - * - * If empty, the signature and the md5sums of the individual - * indices will not be checked. - */ - std::string SigFile; - - /** \brief The index files to download. */ - const std::vector<IndexTarget*>* IndexTargets; - - /** \brief The parser for the meta-index file. */ - indexRecords* MetaIndexParser; - - /** \brief If \b true, the index's signature is currently being verified. - */ - bool AuthPass; - // required to deal gracefully with problems caused by incorrect ims hits - bool IMSHit; - - /** \brief Check that the release file is a release file for the - * correct distribution. - * - * \return \b true if no fatal errors were encountered. - */ - bool VerifyVendor(std::string Message); - - /** \brief Called when a file is finished being retrieved. - * - * If the file was not downloaded to DestFile, a copy process is - * set up to copy it to DestFile; otherwise, Complete is set to \b - * true and the file is moved to its final location. - * - * \param Message The message block received from the fetch - * subprocess. - */ - void RetrievalDone(std::string Message); - - /** \brief Called when authentication succeeded. - * - * Sanity-checks the authenticated file, queues up the individual - * index files for download, and saves the signature in the lists - * directory next to the authenticated list file. - * - * \param Message The message block received from the fetch - * subprocess. - */ - void AuthDone(std::string Message); - - /** \brief Starts downloading the individual index files. - * - * \param verify If \b true, only indices whose expected hashsum - * can be determined from the meta-index will be downloaded, and - * the hashsums of indices will be checked (reporting - * #StatAuthError if there is a mismatch). If verify is \b false, - * no hashsum checking will be performed. - */ - void QueueIndexes(bool verify); - - public: - - // Specialized action members - virtual void Failed(std::string Message,pkgAcquire::MethodConfig *Cnf); - virtual void Done(std::string Message,unsigned long long Size, HashStringList const &Hashes, - pkgAcquire::MethodConfig *Cnf); - virtual std::string Custom600Headers() const; - virtual std::string DescURI() const {return RealURI; }; - - /** \brief Create a new pkgAcqMetaIndex. */ - pkgAcqMetaIndex(pkgAcquire *Owner, - std::string URI,std::string URIDesc, std::string ShortDesc, - std::string SigFile, - const std::vector<IndexTarget*>* IndexTargets, - indexRecords* MetaIndexParser); -}; - /*}}}*/ -/** \brief An item repsonsible for downloading clearsigned metaindexes {{{*/ -class pkgAcqMetaClearSig : public pkgAcqMetaIndex -{ - /** \brief The URI of the meta-index file for the detached signature */ - std::string MetaIndexURI; - - /** \brief A "URI-style" description of the meta-index file */ - std::string MetaIndexURIDesc; - - /** \brief A brief description of the meta-index file */ - std::string MetaIndexShortDesc; - - /** \brief The URI of the detached meta-signature file if the clearsigned one failed. */ - std::string MetaSigURI; - - /** \brief A "URI-style" description of the meta-signature file */ - std::string MetaSigURIDesc; - - /** \brief A brief description of the meta-signature file */ - std::string MetaSigShortDesc; - -public: - void Failed(std::string Message,pkgAcquire::MethodConfig *Cnf); - virtual std::string Custom600Headers() const; - - /** \brief Create a new pkgAcqMetaClearSig. */ - pkgAcqMetaClearSig(pkgAcquire *Owner, - std::string const &URI, std::string const &URIDesc, std::string const &ShortDesc, - std::string const &MetaIndexURI, std::string const &MetaIndexURIDesc, std::string const &MetaIndexShortDesc, - std::string const &MetaSigURI, std::string const &MetaSigURIDesc, std::string const &MetaSigShortDesc, - const std::vector<IndexTarget*>* IndexTargets, - indexRecords* MetaIndexParser); - virtual ~pkgAcqMetaClearSig(); -}; - /*}}}*/ /** \brief An item that is responsible for fetching a package file. {{{ * * If the package file already exists in the cache, nothing will be @@ -1035,6 +1066,8 @@ public: */ class pkgAcqArchive : public pkgAcquire::Item { + void *d; + protected: /** \brief The package version being fetched. */ pkgCache::VerIterator Version; @@ -1113,6 +1146,8 @@ class pkgAcqArchive : public pkgAcquire::Item */ class pkgAcqFile : public pkgAcquire::Item { + void *d; + /** \brief How many times to retry the download, set from * Acquire::Retries. */ diff --git a/apt-pkg/acquire.cc b/apt-pkg/acquire.cc index 8467dab5b..9060d492b 100644 --- a/apt-pkg/acquire.cc +++ b/apt-pkg/acquire.cc @@ -37,6 +37,7 @@ #include <sys/time.h> #include <sys/select.h> #include <errno.h> +#include <sys/stat.h> #include <apti18n.h> /*}}}*/ diff --git a/apt-pkg/deb/debmetaindex.cc b/apt-pkg/deb/debmetaindex.cc index 73010e867..f2d637676 100644 --- a/apt-pkg/deb/debmetaindex.cc +++ b/apt-pkg/deb/debmetaindex.cc @@ -265,26 +265,26 @@ bool debReleaseIndex::GetIndexes(pkgAcquire *Owner, bool const &GetAll) const // this is normally created in pkgAcqMetaSig, but if we run // in --print-uris mode, we add it here if (tryInRelease == false) - new pkgAcqMetaIndex(Owner, MetaIndexURI("Release"), - MetaIndexInfo("Release"), "Release", - MetaIndexURI("Release.gpg"), - ComputeIndexTargets(), - new indexRecords (Dist)); + new pkgAcqMetaIndex(Owner, NULL, + MetaIndexURI("Release"), + MetaIndexInfo("Release"), "Release", + MetaIndexURI("Release.gpg"), MetaIndexInfo("Release.gpg"), "Release.gpg", + ComputeIndexTargets(), + new indexRecords (Dist)); } - if (tryInRelease == true) - new pkgAcqMetaClearSig(Owner, MetaIndexURI("InRelease"), - MetaIndexInfo("InRelease"), "InRelease", + new pkgAcqMetaClearSig(Owner, + MetaIndexURI("InRelease"), MetaIndexInfo("InRelease"), "InRelease", MetaIndexURI("Release"), MetaIndexInfo("Release"), "Release", MetaIndexURI("Release.gpg"), MetaIndexInfo("Release.gpg"), "Release.gpg", ComputeIndexTargets(), new indexRecords (Dist)); else - new pkgAcqMetaSig(Owner, MetaIndexURI("Release.gpg"), - MetaIndexInfo("Release.gpg"), "Release.gpg", - MetaIndexURI("Release"), MetaIndexInfo("Release"), "Release", - ComputeIndexTargets(), - new indexRecords (Dist)); + new pkgAcqMetaIndex(Owner, NULL, + MetaIndexURI("Release"), MetaIndexInfo("Release"), "Release", + MetaIndexURI("Release.gpg"), MetaIndexInfo("Release.gpg"), "Release.gpg", + ComputeIndexTargets(), + new indexRecords (Dist)); return true; } |