diff options
Diffstat (limited to 'apt-pkg/acquire-item.cc')
| -rw-r--r-- | apt-pkg/acquire-item.cc | 367 |
1 files changed, 226 insertions, 141 deletions
diff --git a/apt-pkg/acquire-item.cc b/apt-pkg/acquire-item.cc index 6cb9b012a..3feb17ffa 100644 --- a/apt-pkg/acquire-item.cc +++ b/apt-pkg/acquire-item.cc @@ -50,12 +50,24 @@ using namespace std; +static void printHashSumComparision(std::string const &URI, HashStringList const &Expected, HashStringList const &Actual) /*{{{*/ +{ + if (_config->FindB("Debug::Acquire::HashSumMismatch", false) == false) + return; + std::cerr << std::endl << URI << ":" << std::endl << " Expected Hash: " << std::endl; + for (HashStringList::const_iterator hs = Expected.begin(); hs != Expected.end(); ++hs) + std::cerr << "\t- " << hs->toStr() << std::endl; + std::cerr << " Actual Hash: " << std::endl; + for (HashStringList::const_iterator hs = Actual.begin(); hs != Actual.end(); ++hs) + std::cerr << "\t- " << hs->toStr() << std::endl; +} + /*}}}*/ + // Acquire::Item::Item - Constructor /*{{{*/ -// --------------------------------------------------------------------- -/* */ -pkgAcquire::Item::Item(pkgAcquire *Owner) : Owner(Owner), FileSize(0), - PartialSize(0), Mode(0), ID(0), Complete(false), - Local(false), QueueCounter(0) +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) { Owner->Add(this); Status = StatIdle; @@ -117,7 +129,7 @@ void pkgAcquire::Item::Start(string /*Message*/,unsigned long long Size) // Acquire::Item::Done - Item downloaded OK /*{{{*/ // --------------------------------------------------------------------- /* */ -void pkgAcquire::Item::Done(string Message,unsigned long long Size,string /*Hash*/, +void pkgAcquire::Item::Done(string Message,unsigned long long Size,HashStringList const &/*Hash*/, pkgAcquire::MethodConfig * /*Cnf*/) { // We just downloaded something.. @@ -228,8 +240,8 @@ void pkgAcquire::Item::ReportMirrorFailure(string FailCode) possibly query additional files */ pkgAcqSubIndex::pkgAcqSubIndex(pkgAcquire *Owner, string const &URI, string const &URIDesc, string const &ShortDesc, - HashString const &ExpectedHash) - : Item(Owner), ExpectedHash(ExpectedHash) + HashStringList const &ExpectedHashes) + : Item(Owner, ExpectedHashes) { /* XXX: Beware: Currently this class does nothing (of value) anymore ! */ Debug = _config->FindB("Debug::pkgAcquire::SubIndex",false); @@ -251,7 +263,7 @@ pkgAcqSubIndex::pkgAcqSubIndex(pkgAcquire *Owner, string const &URI, // AcqSubIndex::Custom600Headers - Insert custom request headers /*{{{*/ // --------------------------------------------------------------------- /* The only header we use is the last-modified header. */ -string pkgAcqSubIndex::Custom600Headers() +string pkgAcqSubIndex::Custom600Headers() const { string Final = _config->FindDir("Dir::State::lists"); Final += URItoFileName(Desc.URI); @@ -274,7 +286,7 @@ void pkgAcqSubIndex::Failed(string Message,pkgAcquire::MethodConfig * /*Cnf*/)/* // No good Index is provided } /*}}}*/ -void pkgAcqSubIndex::Done(string Message,unsigned long long Size,string Md5Hash, /*{{{*/ +void pkgAcqSubIndex::Done(string Message,unsigned long long Size,HashStringList const &Hashes, /*{{{*/ pkgAcquire::MethodConfig *Cnf) { if(Debug) @@ -296,7 +308,7 @@ void pkgAcqSubIndex::Done(string Message,unsigned long long Size,string Md5Hash, return; } - Item::Done(Message,Size,Md5Hash,Cnf); + Item::Done(Message, Size, Hashes, Cnf); string FinalFile = _config->FindDir("Dir::State::lists")+URItoFileName(Desc.URI); @@ -342,18 +354,19 @@ bool pkgAcqSubIndex::ParseIndex(string const &IndexFile) /*{{{*/ * the original packages file */ pkgAcqDiffIndex::pkgAcqDiffIndex(pkgAcquire *Owner, - string URI,string URIDesc,string ShortDesc, - HashString ExpectedHash) - : Item(Owner), RealURI(URI), ExpectedHash(ExpectedHash), - Description(URIDesc) + IndexTarget const * const Target, + HashStringList const &ExpectedHashes, + indexRecords *MetaIndexParser) + : pkgAcqBaseIndex(Owner, Target, ExpectedHashes, MetaIndexParser) { Debug = _config->FindB("Debug::pkgAcquire::Diffs",false); - Desc.Description = URIDesc + "/DiffIndex"; + RealURI = Target->URI; Desc.Owner = this; - Desc.ShortDesc = ShortDesc; - Desc.URI = URI + ".diff/Index"; + Desc.Description = Target->Description + "/DiffIndex"; + Desc.ShortDesc = Target->ShortDesc; + Desc.URI = Target->URI + ".diff/Index"; DestFile = _config->FindDir("Dir::State::lists") + "partial/"; DestFile += URItoFileName(Desc.URI); @@ -389,7 +402,7 @@ pkgAcqDiffIndex::pkgAcqDiffIndex(pkgAcquire *Owner, // AcqIndex::Custom600Headers - Insert custom request headers /*{{{*/ // --------------------------------------------------------------------- /* The only header we use is the last-modified header. */ -string pkgAcqDiffIndex::Custom600Headers() +string pkgAcqDiffIndex::Custom600Headers() const { string Final = _config->FindDir("Dir::State::lists"); Final += URItoFileName(Desc.URI); @@ -442,8 +455,8 @@ bool pkgAcqDiffIndex::ParseDiffIndex(string IndexDiffFile) /*{{{*/ std::clog << "Package file is up-to-date" << std::endl; // 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, RealURI, Description, Desc.ShortDesc, - ExpectedHash, ServerSha1, available_patches); + new pkgAcqIndexDiffs(Owner, Target, ExpectedHashes, MetaIndexParser, + ServerSha1, available_patches); return true; } else @@ -528,14 +541,19 @@ bool pkgAcqDiffIndex::ParseDiffIndex(string IndexDiffFile) /*{{{*/ } if (pdiff_merge == false) - new pkgAcqIndexDiffs(Owner, RealURI, Description, Desc.ShortDesc, - ExpectedHash, ServerSha1, available_patches); - else + { + new pkgAcqIndexDiffs(Owner, 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, RealURI, Description, Desc.ShortDesc, ExpectedHash, - available_patches[i], diffs); + (*diffs)[i] = new pkgAcqIndexMergeDiffs(Owner, Target, + ExpectedHashes, + MetaIndexParser, + available_patches[i], + diffs); } Complete = false; @@ -559,21 +577,20 @@ 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, RealURI, Description, Desc.ShortDesc, - ExpectedHash); + new pkgAcqIndex(Owner, Target, ExpectedHashes, MetaIndexParser); Complete = false; Status = StatDone; Dequeue(); } /*}}}*/ -void pkgAcqDiffIndex::Done(string Message,unsigned long long Size,string Md5Hash, /*{{{*/ +void pkgAcqDiffIndex::Done(string Message,unsigned long long Size,HashStringList const &Hashes, /*{{{*/ pkgAcquire::MethodConfig *Cnf) { if(Debug) std::clog << "pkgAcqDiffIndex::Done(): " << Desc.URI << std::endl; - Item::Done(Message,Size,Md5Hash,Cnf); + Item::Done(Message, Size, Hashes, Cnf); string FinalFile; FinalFile = _config->FindDir("Dir::State::lists")+URItoFileName(RealURI); @@ -603,22 +620,24 @@ void pkgAcqDiffIndex::Done(string Message,unsigned long long Size,string Md5Hash * for each diff and the index */ pkgAcqIndexDiffs::pkgAcqIndexDiffs(pkgAcquire *Owner, - string URI,string URIDesc,string ShortDesc, - HashString ExpectedHash, + struct IndexTarget const * const Target, + HashStringList const &ExpectedHashes, + indexRecords *MetaIndexParser, string ServerSha1, vector<DiffInfo> diffs) - : Item(Owner), RealURI(URI), ExpectedHash(ExpectedHash), + : pkgAcqBaseIndex(Owner, Target, ExpectedHashes, MetaIndexParser), available_patches(diffs), ServerSha1(ServerSha1) { DestFile = _config->FindDir("Dir::State::lists") + "partial/"; - DestFile += URItoFileName(URI); + DestFile += URItoFileName(Target->URI); Debug = _config->FindB("Debug::pkgAcquire::Diffs",false); - Description = URIDesc; + RealURI = Target->URI; Desc.Owner = this; - Desc.ShortDesc = ShortDesc; + Description = Target->Description; + Desc.ShortDesc = Target->ShortDesc; if(available_patches.empty() == true) { @@ -638,8 +657,7 @@ 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, RealURI, Description,Desc.ShortDesc, - ExpectedHash); + new pkgAcqIndex(Owner, Target, ExpectedHashes, MetaIndexParser); Finish(); } /*}}}*/ @@ -653,7 +671,7 @@ void pkgAcqIndexDiffs::Finish(bool allDone) DestFile = _config->FindDir("Dir::State::lists"); DestFile += URItoFileName(RealURI); - if(!ExpectedHash.empty() && !ExpectedHash.VerifyFile(DestFile)) + if(HashSums().usable() && !HashSums().VerifyFile(DestFile)) { RenameOnError(HashSumMismatch); Dequeue(); @@ -731,13 +749,13 @@ bool pkgAcqIndexDiffs::QueueNextDiff() /*{{{*/ return true; } /*}}}*/ -void pkgAcqIndexDiffs::Done(string Message,unsigned long long Size,string Md5Hash, /*{{{*/ +void pkgAcqIndexDiffs::Done(string Message,unsigned long long Size, HashStringList const &Hashes, /*{{{*/ pkgAcquire::MethodConfig *Cnf) { if(Debug) std::clog << "pkgAcqIndexDiffs::Done(): " << Desc.URI << std::endl; - Item::Done(Message,Size,Md5Hash,Cnf); + Item::Done(Message, Size, Hashes, Cnf); string FinalFile; FinalFile = _config->FindDir("Dir::State::lists")+URItoFileName(RealURI); @@ -779,8 +797,9 @@ void pkgAcqIndexDiffs::Done(string Message,unsigned long long Size,string Md5Has // see if there is more to download if(available_patches.empty() == false) { - new pkgAcqIndexDiffs(Owner, RealURI, Description, Desc.ShortDesc, - ExpectedHash, ServerSha1, available_patches); + new pkgAcqIndexDiffs(Owner, Target, + ExpectedHashes, MetaIndexParser, + ServerSha1, available_patches); return Finish(); } else return Finish(true); @@ -789,22 +808,24 @@ void pkgAcqIndexDiffs::Done(string Message,unsigned long long Size,string Md5Has /*}}}*/ // AcqIndexMergeDiffs::AcqIndexMergeDiffs - Constructor /*{{{*/ pkgAcqIndexMergeDiffs::pkgAcqIndexMergeDiffs(pkgAcquire *Owner, - string const &URI, string const &URIDesc, - string const &ShortDesc, HashString const &ExpectedHash, - DiffInfo const &patch, - std::vector<pkgAcqIndexMergeDiffs*> const * const allPatches) - : Item(Owner), RealURI(URI), ExpectedHash(ExpectedHash), - patch(patch),allPatches(allPatches), State(StateFetchDiff) + struct IndexTarget const * const Target, + HashStringList const &ExpectedHashes, + indexRecords *MetaIndexParser, + DiffInfo const &patch, + std::vector<pkgAcqIndexMergeDiffs*> const * const allPatches) + : pkgAcqBaseIndex(Owner, Target, ExpectedHashes, MetaIndexParser), + patch(patch), allPatches(allPatches), State(StateFetchDiff) { DestFile = _config->FindDir("Dir::State::lists") + "partial/"; - DestFile += URItoFileName(URI); + DestFile += URItoFileName(Target->URI); Debug = _config->FindB("Debug::pkgAcquire::Diffs",false); - Description = URIDesc; + RealURI = Target->URI; Desc.Owner = this; - Desc.ShortDesc = ShortDesc; + Description = Target->Description; + Desc.ShortDesc = Target->ShortDesc; Desc.URI = RealURI + ".diff/" + patch.file + ".gz"; Desc.Description = Description + " " + patch.file + string(".pdiff"); @@ -835,17 +856,16 @@ 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, RealURI, Description,Desc.ShortDesc, - ExpectedHash); + new pkgAcqIndex(Owner, Target, ExpectedHashes, MetaIndexParser); } /*}}}*/ -void pkgAcqIndexMergeDiffs::Done(string Message,unsigned long long Size,string Md5Hash, /*{{{*/ +void pkgAcqIndexMergeDiffs::Done(string Message,unsigned long long Size,HashStringList const &Hashes, /*{{{*/ pkgAcquire::MethodConfig *Cnf) { if(Debug) std::clog << "pkgAcqIndexMergeDiffs::Done(): " << Desc.URI << std::endl; - Item::Done(Message,Size,Md5Hash,Cnf); + Item::Done(Message,Size,Hashes,Cnf); string const FinalFile = _config->FindDir("Dir::State::lists") + URItoFileName(RealURI); @@ -881,7 +901,7 @@ void pkgAcqIndexMergeDiffs::Done(string Message,unsigned long long Size,string M else if (State == StateApplyDiff) { // see if we really got the expected file - if(!ExpectedHash.empty() && !ExpectedHash.VerifyFile(DestFile)) + if(ExpectedHashes.usable() && !ExpectedHashes.VerifyFile(DestFile)) { RenameOnError(HashSumMismatch); return; @@ -918,8 +938,8 @@ void pkgAcqIndexMergeDiffs::Done(string Message,unsigned long long Size,string M instantiated to fetch the revision file */ pkgAcqIndex::pkgAcqIndex(pkgAcquire *Owner, string URI,string URIDesc,string ShortDesc, - HashString ExpectedHash, string comprExt) - : Item(Owner), RealURI(URI), ExpectedHash(ExpectedHash) + HashStringList const &ExpectedHash, string comprExt) + : pkgAcqBaseIndex(Owner, NULL, ExpectedHash, NULL), RealURI(URI) { if(comprExt.empty() == true) { @@ -935,13 +955,15 @@ pkgAcqIndex::pkgAcqIndex(pkgAcquire *Owner, Init(URI, URIDesc, ShortDesc); } pkgAcqIndex::pkgAcqIndex(pkgAcquire *Owner, IndexTarget const *Target, - HashString const &ExpectedHash, indexRecords const *MetaIndexParser) - : Item(Owner), RealURI(Target->URI), ExpectedHash(ExpectedHash) + HashStringList const &ExpectedHash, + indexRecords *MetaIndexParser) + : pkgAcqBaseIndex(Owner, Target, ExpectedHash, MetaIndexParser), + RealURI(Target->URI) { // autoselect the compression method std::vector<std::string> types = APT::Configuration::getCompressionTypes(); CompressionExtension = ""; - if (ExpectedHash.empty() == false) + if (ExpectedHashes.usable()) { for (std::vector<std::string>::const_iterator t = types.begin(); t != types.end(); ++t) if (*t == "uncompressed" || MetaIndexParser->Exists(string(Target->MetaKey).append(".").append(*t)) == true) @@ -967,10 +989,29 @@ 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; + if(Target) + MetaKey = string(Target->MetaKey); + } else + { Desc.URI = URI + '.' + comprExt; + if(Target) + MetaKey = string(Target->MetaKey) + '.' + comprExt; + } + + // load the filesize + if(MetaIndexParser) + { + indexRecords::checkSum *Record = MetaIndexParser->Lookup(MetaKey); + if(Record) + FileSize = Record->Size; + + InitByHashIfNeeded(MetaKey); + } Desc.Description = URIDesc; Desc.Owner = this; @@ -979,10 +1020,42 @@ void pkgAcqIndex::Init(string const &URI, string const &URIDesc, string const &S QueueURI(Desc); } /*}}}*/ +// AcqIndex::AdjustForByHash - modify URI for by-hash support /*{{{*/ +// --------------------------------------------------------------------- +/* */ +void pkgAcqIndex::InitByHashIfNeeded(const std::string MetaKey) +{ + // TODO: + // - (maybe?) add support for by-hash into the sources.list as flag + // - make apt-ftparchive generate the hashes (and expire?) + std::string HostKnob = "APT::Acquire::" + ::URI(Desc.URI).Host + "::By-Hash"; + if(_config->FindB("APT::Acquire::By-Hash", false) == true || + _config->FindB(HostKnob, false) == true || + MetaIndexParser->GetSupportsAcquireByHash()) + { + indexRecords::checkSum *Record = MetaIndexParser->Lookup(MetaKey); + if(Record) + { + // FIXME: should we really use the best hash here? or a fixed one? + const HashString *TargetHash = Record->Hashes.find(""); + std::string ByHash = "/by-hash/" + TargetHash->HashType() + "/" + TargetHash->HashValue(); + size_t trailing_slash = Desc.URI.find_last_of("/"); + Desc.URI = Desc.URI.replace( + trailing_slash, + Desc.URI.substr(trailing_slash+1).size()+1, + ByHash); + } else { + _error->Warning( + "Fetching ByHash requested but can not find record for %s", + MetaKey.c_str()); + } + } +} + /*}}}*/ // AcqIndex::Custom600Headers - Insert custom request headers /*{{{*/ // --------------------------------------------------------------------- /* The only header we use is the last-modified header. */ -string pkgAcqIndex::Custom600Headers() +string pkgAcqIndex::Custom600Headers() const { string Final = _config->FindDir("Dir::State::lists"); Final += URItoFileName(RealURI); @@ -1028,22 +1101,17 @@ void pkgAcqIndex::Failed(string Message,pkgAcquire::MethodConfig *Cnf) /*{{{*/ 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,string Hash, +void pkgAcqIndex::Done(string Message,unsigned long long Size,HashStringList const &Hashes, pkgAcquire::MethodConfig *Cfg) { - Item::Done(Message,Size,Hash,Cfg); + Item::Done(Message,Size,Hashes,Cfg); if (Decompression == true) { - if (_config->FindB("Debug::pkgAcquire::Auth", false)) - { - std::cerr << std::endl << RealURI << ": Computed Hash: " << Hash; - std::cerr << " Expected Hash: " << ExpectedHash.toStr() << std::endl; - } - - if (!ExpectedHash.empty() && ExpectedHash.toStr() != Hash) + if (ExpectedHashes.usable() && ExpectedHashes != Hashes) { RenameOnError(HashSumMismatch); + printHashSumComparision(RealURI, ExpectedHashes, Hashes); return; } @@ -1073,7 +1141,7 @@ void pkgAcqIndex::Done(string Message,unsigned long long Size,string Hash, FinalFile += URItoFileName(RealURI); 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/"; @@ -1082,6 +1150,7 @@ void pkgAcqIndex::Done(string Message,unsigned long long Size,string Hash, // Remove the compressed version. if (Erase == true) unlink(DestFile.c_str()); + return; } @@ -1165,18 +1234,22 @@ void pkgAcqIndex::Done(string Message,unsigned long long Size,string Hash, /* The Translation file is added to the queue */ pkgAcqIndexTrans::pkgAcqIndexTrans(pkgAcquire *Owner, string URI,string URIDesc,string ShortDesc) - : pkgAcqIndex(Owner, URI, URIDesc, ShortDesc, HashString(), "") + : pkgAcqIndex(Owner, URI, URIDesc, ShortDesc, HashStringList(), "") { } -pkgAcqIndexTrans::pkgAcqIndexTrans(pkgAcquire *Owner, IndexTarget const *Target, - HashString const &ExpectedHash, indexRecords const *MetaIndexParser) - : pkgAcqIndex(Owner, Target, ExpectedHash, MetaIndexParser) +pkgAcqIndexTrans::pkgAcqIndexTrans(pkgAcquire *Owner, IndexTarget const * const Target, + HashStringList const &ExpectedHashes, indexRecords *MetaIndexParser) + : pkgAcqIndex(Owner, Target, ExpectedHashes, MetaIndexParser) { + // load the filesize + indexRecords::checkSum *Record = MetaIndexParser->Lookup(string(Target->MetaKey)); + if(Record) + FileSize = Record->Size; } /*}}}*/ // AcqIndexTrans::Custom600Headers - Insert custom request headers /*{{{*/ // --------------------------------------------------------------------- -string pkgAcqIndexTrans::Custom600Headers() +string pkgAcqIndexTrans::Custom600Headers() const { string Final = _config->FindDir("Dir::State::lists"); Final += URItoFileName(RealURI); @@ -1220,7 +1293,7 @@ pkgAcqMetaSig::pkgAcqMetaSig(pkgAcquire *Owner, /*{{{*/ string MetaIndexShortDesc, const vector<IndexTarget*>* IndexTargets, indexRecords* MetaIndexParser) : - Item(Owner), RealURI(URI), MetaIndexURI(MetaIndexURI), + Item(Owner, HashStringList()), RealURI(URI), MetaIndexURI(MetaIndexURI), MetaIndexURIDesc(MetaIndexURIDesc), MetaIndexShortDesc(MetaIndexShortDesc), MetaIndexParser(MetaIndexParser), IndexTargets(IndexTargets) { @@ -1251,6 +1324,9 @@ pkgAcqMetaSig::pkgAcqMetaSig(pkgAcquire *Owner, /*{{{*/ Rename(Final,LastGoodSig); } + // we expect the indextargets + one additional Release file + ExpectedAdditionalItems = IndexTargets->size() + 1; + QueueURI(Desc); } /*}}}*/ @@ -1270,7 +1346,7 @@ pkgAcqMetaSig::~pkgAcqMetaSig() /*{{{*/ // pkgAcqMetaSig::Custom600Headers - Insert custom request headers /*{{{*/ // --------------------------------------------------------------------- /* The only header we use is the last-modified header. */ -string pkgAcqMetaSig::Custom600Headers() +string pkgAcqMetaSig::Custom600Headers() const { struct stat Buf; if (stat(LastGoodSig.c_str(),&Buf) != 0) @@ -1279,10 +1355,10 @@ string pkgAcqMetaSig::Custom600Headers() return "\nIndex-File: true\nLast-Modified: " + TimeRFC1123(Buf.st_mtime); } -void pkgAcqMetaSig::Done(string Message,unsigned long long Size,string MD5, +void pkgAcqMetaSig::Done(string Message,unsigned long long Size, HashStringList const &Hashes, pkgAcquire::MethodConfig *Cfg) { - Item::Done(Message,Size,MD5,Cfg); + Item::Done(Message, Size, Hashes, Cfg); string FileName = LookupTag(Message,"Filename"); if (FileName.empty() == true) @@ -1303,6 +1379,9 @@ void pkgAcqMetaSig::Done(string Message,unsigned long long Size,string MD5, Complete = true; + // at this point pkgAcqMetaIndex takes over + ExpectedAdditionalItems = 0; + // 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 @@ -1320,6 +1399,9 @@ 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; + // if we get a network error we fail gracefully if(Status == StatTransientNetworkError) { @@ -1356,9 +1438,9 @@ void pkgAcqMetaSig::Failed(string Message,pkgAcquire::MethodConfig *Cnf)/*{{{*/ pkgAcqMetaIndex::pkgAcqMetaIndex(pkgAcquire *Owner, /*{{{*/ string URI,string URIDesc,string ShortDesc, string SigFile, - const vector<struct IndexTarget*>* IndexTargets, + const vector<IndexTarget*>* IndexTargets, indexRecords* MetaIndexParser) : - Item(Owner), RealURI(URI), SigFile(SigFile), IndexTargets(IndexTargets), + Item(Owner, HashStringList()), RealURI(URI), SigFile(SigFile), IndexTargets(IndexTargets), MetaIndexParser(MetaIndexParser), AuthPass(false), IMSHit(false) { DestFile = _config->FindDir("Dir::State::lists") + "partial/"; @@ -1370,13 +1452,16 @@ pkgAcqMetaIndex::pkgAcqMetaIndex(pkgAcquire *Owner, /*{{{*/ Desc.ShortDesc = ShortDesc; Desc.URI = URI; + // 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. */ -string pkgAcqMetaIndex::Custom600Headers() +string pkgAcqMetaIndex::Custom600Headers() const { string Final = _config->FindDir("Dir::State::lists"); Final += URItoFileName(RealURI); @@ -1388,10 +1473,10 @@ string pkgAcqMetaIndex::Custom600Headers() return "\nIndex-File: true\nLast-Modified: " + TimeRFC1123(Buf.st_mtime); } /*}}}*/ -void pkgAcqMetaIndex::Done(string Message,unsigned long long Size,string Hash, /*{{{*/ +void pkgAcqMetaIndex::Done(string Message,unsigned long long Size,HashStringList const &Hashes, /*{{{*/ pkgAcquire::MethodConfig *Cfg) { - Item::Done(Message,Size,Hash,Cfg); + Item::Done(Message,Size,Hashes,Cfg); // MetaIndexes are done in two passes: one to download the // metaindex with an appropriate method, and a second to verify it @@ -1420,9 +1505,20 @@ void pkgAcqMetaIndex::Done(string Message,unsigned long long Size,string Hash, / } 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)) std::cerr << "Metaindex acquired, queueing gpg verification (" << SigFile << "," << DestFile << ")\n"; @@ -1548,11 +1644,13 @@ void pkgAcqMetaIndex::QueueIndexes(bool verify) /*{{{*/ } } - for (vector <struct IndexTarget*>::const_iterator Target = IndexTargets->begin(); + // at this point the real Items are loaded in the fetcher + ExpectedAdditionalItems = 0; + for (vector <IndexTarget*>::const_iterator Target = IndexTargets->begin(); Target != IndexTargets->end(); ++Target) { - HashString ExpectedIndexHash; + HashStringList ExpectedIndexHashes; const indexRecords::checkSum *Record = MetaIndexParser->Lookup((*Target)->MetaKey); bool compressedAvailable = false; if (Record == NULL) @@ -1576,14 +1674,16 @@ void pkgAcqMetaIndex::QueueIndexes(bool verify) /*{{{*/ } else { - ExpectedIndexHash = Record->Hash; + ExpectedIndexHashes = Record->Hashes; if (_config->FindB("Debug::pkgAcquire::Auth", false)) { - std::cerr << "Queueing: " << (*Target)->URI << std::endl; - std::cerr << "Expected Hash: " << ExpectedIndexHash.toStr() << std::endl; + std::cerr << "Queueing: " << (*Target)->URI << std::endl + << "Expected Hash:" << std::endl; + for (HashStringList::const_iterator hs = ExpectedIndexHashes.begin(); hs != ExpectedIndexHashes.end(); ++hs) + std::cerr << "\t- " << hs->toStr() << std::endl; std::cerr << "For: " << Record->MetaKeyFilename << std::endl; } - if (verify == true && ExpectedIndexHash.empty() == true && (*Target)->IsOptional() == false) + if (verify == true && ExpectedIndexHashes.empty() == true && (*Target)->IsOptional() == false) { Status = StatAuthError; strprintf(ErrorText, _("Unable to find hash sum for '%s' in Release file"), (*Target)->MetaKey.c_str()); @@ -1595,15 +1695,14 @@ void pkgAcqMetaIndex::QueueIndexes(bool verify) /*{{{*/ { if ((*Target)->IsSubIndex() == true) new pkgAcqSubIndex(Owner, (*Target)->URI, (*Target)->Description, - (*Target)->ShortDesc, ExpectedIndexHash); + (*Target)->ShortDesc, ExpectedIndexHashes); else 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)->URI, (*Target)->Description, - (*Target)->ShortDesc, ExpectedIndexHash); + new pkgAcqDiffIndex(Owner, *Target, ExpectedIndexHashes, MetaIndexParser); else - new pkgAcqIndexTrans(Owner, *Target, ExpectedIndexHash, MetaIndexParser); + new pkgAcqIndexTrans(Owner, *Target, ExpectedIndexHashes, MetaIndexParser); } continue; } @@ -1614,10 +1713,9 @@ 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)->URI, (*Target)->Description, - (*Target)->ShortDesc, ExpectedIndexHash); + new pkgAcqDiffIndex(Owner, *Target, ExpectedIndexHashes, MetaIndexParser); else - new pkgAcqIndex(Owner, *Target, ExpectedIndexHash, MetaIndexParser); + new pkgAcqIndex(Owner, *Target, ExpectedIndexHashes, MetaIndexParser); } } /*}}}*/ @@ -1770,7 +1868,7 @@ 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<struct IndexTarget*>* IndexTargets, + const vector<IndexTarget*>* IndexTargets, indexRecords* MetaIndexParser) : pkgAcqMetaIndex(Owner, URI, URIDesc, ShortDesc, "", IndexTargets, MetaIndexParser), MetaIndexURI(MetaIndexURI), MetaIndexURIDesc(MetaIndexURIDesc), MetaIndexShortDesc(MetaIndexShortDesc), @@ -1778,6 +1876,10 @@ pkgAcqMetaClearSig::pkgAcqMetaClearSig(pkgAcquire *Owner, /*{{{*/ { SigFile = DestFile; + // index targets + (worst case:) Release/Release.gpg + ExpectedAdditionalItems = IndexTargets->size() + 2; + + // 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) @@ -1802,7 +1904,7 @@ pkgAcqMetaClearSig::~pkgAcqMetaClearSig() /*{{{*/ // pkgAcqMetaClearSig::Custom600Headers - Insert custom request headers /*{{{*/ // --------------------------------------------------------------------- // FIXME: this can go away once the InRelease file is used widely -string pkgAcqMetaClearSig::Custom600Headers() +string pkgAcqMetaClearSig::Custom600Headers() const { string Final = _config->FindDir("Dir::State::lists"); Final += URItoFileName(RealURI); @@ -1820,6 +1922,9 @@ string pkgAcqMetaClearSig::Custom600Headers() /*}}}*/ void pkgAcqMetaClearSig::Failed(string Message,pkgAcquire::MethodConfig *Cnf) /*{{{*/ { + // we failed, we will not get additional items from this method + ExpectedAdditionalItems = 0; + if (AuthPass == false) { // Remove the 'old' InRelease file if we try Release.gpg now as otherwise @@ -1848,7 +1953,7 @@ void pkgAcqMetaClearSig::Failed(string Message,pkgAcquire::MethodConfig *Cnf) /* pkgAcqArchive::pkgAcqArchive(pkgAcquire *Owner,pkgSourceList *Sources, pkgRecords *Recs,pkgCache::VerIterator const &Version, string &StoreFilename) : - Item(Owner), Version(Version), Sources(Sources), Recs(Recs), + Item(Owner, HashStringList()), Version(Version), Sources(Sources), Recs(Recs), StoreFilename(StoreFilename), Vf(Version.FileList()), Trusted(false) { @@ -1933,7 +2038,6 @@ pkgAcqArchive::pkgAcqArchive(pkgAcquire *Owner,pkgSourceList *Sources, checking later. */ bool pkgAcqArchive::QueueNext() { - string const ForceHash = _config->Find("Acquire::ForceHash"); for (; Vf.end() == false; ++Vf) { // Ignore not source sources @@ -1954,31 +2058,10 @@ bool pkgAcqArchive::QueueNext() pkgRecords::Parser &Parse = Recs->Lookup(Vf); if (_error->PendingError() == true) return false; - + string PkgFile = Parse.FileName(); - if (ForceHash.empty() == false) - { - if(stringcasecmp(ForceHash, "sha512") == 0) - ExpectedHash = HashString("SHA512", Parse.SHA512Hash()); - else if(stringcasecmp(ForceHash, "sha256") == 0) - ExpectedHash = HashString("SHA256", Parse.SHA256Hash()); - else if (stringcasecmp(ForceHash, "sha1") == 0) - ExpectedHash = HashString("SHA1", Parse.SHA1Hash()); - else - ExpectedHash = HashString("MD5Sum", Parse.MD5Hash()); - } - else - { - string Hash; - if ((Hash = Parse.SHA512Hash()).empty() == false) - ExpectedHash = HashString("SHA512", Hash); - else if ((Hash = Parse.SHA256Hash()).empty() == false) - ExpectedHash = HashString("SHA256", Hash); - else if ((Hash = Parse.SHA1Hash()).empty() == false) - ExpectedHash = HashString("SHA1", Hash); - else - ExpectedHash = HashString("MD5Sum", Parse.MD5Hash()); - } + ExpectedHashes = Parse.Hashes(); + if (PkgFile.empty() == true) return _error->Error(_("The package index files are corrupted. No Filename: " "field for package %s."), @@ -2065,10 +2148,10 @@ bool pkgAcqArchive::QueueNext() // AcqArchive::Done - Finished fetching /*{{{*/ // --------------------------------------------------------------------- /* */ -void pkgAcqArchive::Done(string Message,unsigned long long Size,string CalcHash, +void pkgAcqArchive::Done(string Message,unsigned long long Size, HashStringList const &CalcHashes, pkgAcquire::MethodConfig *Cfg) { - Item::Done(Message,Size,CalcHash,Cfg); + Item::Done(Message, Size, CalcHashes, Cfg); // Check the size if (Size != Version->Size) @@ -2076,11 +2159,12 @@ void pkgAcqArchive::Done(string Message,unsigned long long Size,string CalcHash, RenameOnError(SizeMismatch); return; } - - // Check the hash - if(ExpectedHash.toStr() != CalcHash) + + // FIXME: could this empty() check impose *any* sort of security issue? + if(ExpectedHashes.usable() && ExpectedHashes != CalcHashes) { RenameOnError(HashSumMismatch); + printHashSumComparision(DestFile, ExpectedHashes, CalcHashes); return; } @@ -2152,7 +2236,7 @@ void pkgAcqArchive::Failed(string Message,pkgAcquire::MethodConfig *Cnf) /*}}}*/ // AcqArchive::IsTrusted - Determine whether this archive comes from a trusted source /*{{{*/ // --------------------------------------------------------------------- -APT_PURE bool pkgAcqArchive::IsTrusted() +APT_PURE bool pkgAcqArchive::IsTrusted() const { return Trusted; } @@ -2171,11 +2255,11 @@ void pkgAcqArchive::Finished() // AcqFile::pkgAcqFile - Constructor /*{{{*/ // --------------------------------------------------------------------- /* The file is added to the queue */ -pkgAcqFile::pkgAcqFile(pkgAcquire *Owner,string URI,string Hash, +pkgAcqFile::pkgAcqFile(pkgAcquire *Owner,string URI, HashStringList const &Hashes, unsigned long long Size,string Dsc,string ShortDesc, const string &DestDir, const string &DestFilename, bool IsIndexFile) : - Item(Owner), ExpectedHash(Hash), IsIndexFile(IsIndexFile) + Item(Owner, Hashes), IsIndexFile(IsIndexFile) { Retries = _config->FindI("Acquire::Retries",0); @@ -2212,15 +2296,16 @@ pkgAcqFile::pkgAcqFile(pkgAcquire *Owner,string URI,string Hash, // AcqFile::Done - Item downloaded OK /*{{{*/ // --------------------------------------------------------------------- /* */ -void pkgAcqFile::Done(string Message,unsigned long long Size,string CalcHash, +void pkgAcqFile::Done(string Message,unsigned long long Size,HashStringList const &CalcHashes, pkgAcquire::MethodConfig *Cnf) { - Item::Done(Message,Size,CalcHash,Cnf); + Item::Done(Message,Size,CalcHashes,Cnf); // Check the hash - if(!ExpectedHash.empty() && ExpectedHash.toStr() != CalcHash) + if(ExpectedHashes.usable() && ExpectedHashes != CalcHashes) { RenameOnError(HashSumMismatch); + printHashSumComparision(DestFile, ExpectedHashes, CalcHashes); return; } @@ -2291,7 +2376,7 @@ void pkgAcqFile::Failed(string Message,pkgAcquire::MethodConfig *Cnf) // AcqIndex::Custom600Headers - Insert custom request headers /*{{{*/ // --------------------------------------------------------------------- /* The only header we use is the last-modified header. */ -string pkgAcqFile::Custom600Headers() +string pkgAcqFile::Custom600Headers() const { if (IsIndexFile) return "\nIndex-File: true"; |