##################################################################### */
/*}}}*/
// Include Files /*{{{*/
+#include <config.h>
+
#include <apt-pkg/acquire-item.h>
#include <apt-pkg/configuration.h>
#include <apt-pkg/aptconfiguration.h>
#include <apt-pkg/md5.h>
#include <apt-pkg/sha1.h>
#include <apt-pkg/tagfile.h>
+#include <apt-pkg/indexrecords.h>
+#include <apt-pkg/metaindex.h>
-#include <apti18n.h>
-
#include <sys/stat.h>
#include <unistd.h>
#include <errno.h>
#include <sstream>
#include <stdio.h>
#include <ctime>
+
+#include <apti18n.h>
/*}}}*/
using namespace std;
// ---------------------------------------------------------------------
/* Stash status and the file size. Note that setting Complete means
sub-phases of the acquire process such as decompresion are operating */
-void pkgAcquire::Item::Start(string /*Message*/,unsigned long Size)
+void pkgAcquire::Item::Start(string /*Message*/,unsigned long long Size)
{
Status = StatFetching;
if (FileSize == 0 && Complete == false)
// Acquire::Item::Done - Item downloaded OK /*{{{*/
// ---------------------------------------------------------------------
/* */
-void pkgAcquire::Item::Done(string Message,unsigned long Size,string Hash,
+void pkgAcquire::Item::Done(string Message,unsigned long long Size,string Hash,
pkgAcquire::MethodConfig *Cnf)
{
// We just downloaded something..
/*}}}*/
// AcqSubIndex::AcqSubIndex - Constructor /*{{{*/
// ---------------------------------------------------------------------
-/* Get the Index file first and see if there are languages available
- * If so, create a pkgAcqIndexTrans for the found language(s).
- */
+/* 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,
HashString const &ExpectedHash)
: Item(Owner), ExpectedHash(ExpectedHash)
{
+ /* XXX: Beware: Currently this class does nothing (of value) anymore ! */
Debug = _config->FindB("Debug::pkgAcquire::SubIndex",false);
DestFile = _config->FindDir("Dir::State::lists") + "partial/";
Status = StatDone;
Dequeue();
- // No good Index is provided, so try guessing
- std::vector<std::string> langs = APT::Configuration::getLanguages(true);
- for (std::vector<std::string>::const_iterator l = langs.begin();
- l != langs.end(); ++l)
- {
- if (*l == "none") continue;
- string const file = "Translation-" + *l;
- new pkgAcqIndexTrans(Owner, Desc.URI.substr(0, Desc.URI.rfind('/')+1).append(file),
- Desc.Description.erase(Desc.Description.rfind(' ')+1).append(file),
- file);
- }
+ // No good Index is provided
}
/*}}}*/
-void pkgAcqSubIndex::Done(string Message,unsigned long Size,string Md5Hash, /*{{{*/
+void pkgAcqSubIndex::Done(string Message,unsigned long long Size,string Md5Hash, /*{{{*/
pkgAcquire::MethodConfig *Cnf)
{
if(Debug)
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;
+ }
+
// sucess in downloading the index
// rename the index
if(Debug)
indexRecords SubIndexParser;
if (FileExists(IndexFile) == false || SubIndexParser.Load(IndexFile) == false)
return false;
-
- std::vector<std::string> lang = APT::Configuration::getLanguages(true);
- for (std::vector<std::string>::const_iterator l = lang.begin();
- l != lang.end(); ++l)
- {
- if (*l == "none")
- continue;
-
- string file = "Translation-" + *l;
- indexRecords::checkSum const *Record = SubIndexParser.Lookup(file);
- HashString expected;
- if (Record == NULL)
- {
- // FIXME: the Index file provided by debian currently only includes bz2 records
- Record = SubIndexParser.Lookup(file + ".bz2");
- if (Record == NULL)
- continue;
- }
- else
- {
- expected = Record->Hash;
- if (expected.empty() == true)
- continue;
- }
-
- IndexTarget target;
- target.Description = Desc.Description.erase(Desc.Description.rfind(' ')+1).append(file);
- target.MetaKey = file;
- target.ShortDesc = file;
- target.URI = Desc.URI.substr(0, Desc.URI.rfind('/')+1).append(file);
- new pkgAcqIndexTrans(Owner, &target, expected, &SubIndexParser);
- }
+ // so something with the downloaded index
return true;
}
/*}}}*/
FileFd fd(CurrentPackagesFile, FileFd::ReadOnly);
SHA1Summation SHA1;
- SHA1.AddFD(fd.Fd(), fd.Size());
+ SHA1.AddFD(fd);
string const local_sha1 = SHA1.Result();
if(local_sha1 == ServerSha1)
Dequeue();
}
/*}}}*/
-void pkgAcqDiffIndex::Done(string Message,unsigned long Size,string Md5Hash, /*{{{*/
+void pkgAcqDiffIndex::Done(string Message,unsigned long long Size,string Md5Hash, /*{{{*/
pkgAcquire::MethodConfig *Cnf)
{
if(Debug)
Desc.Owner = this;
Desc.ShortDesc = ShortDesc;
- if(available_patches.size() == 0)
+ if(available_patches.empty() == true)
{
// we are done (yeah!)
Finish(true);
FileFd fd(FinalFile, FileFd::ReadOnly);
SHA1Summation SHA1;
- SHA1.AddFD(fd.Fd(), fd.Size());
+ SHA1.AddFD(fd);
string local_sha1 = string(SHA1.Result());
if(Debug)
std::clog << "QueueNextDiff: "
// remove all patches until the next matching patch is found
// this requires the Index file to be ordered
for(vector<DiffInfo>::iterator I=available_patches.begin();
- available_patches.size() > 0 &&
+ available_patches.empty() == false &&
I != available_patches.end() &&
- (*I).sha1 != local_sha1;
- I++)
+ I->sha1 != local_sha1;
+ ++I)
{
available_patches.erase(I);
}
// error checking and falling back if no patch was found
- if(available_patches.size() == 0)
- {
+ if(available_patches.empty() == true)
+ {
Failed("", NULL);
return false;
}
return true;
}
/*}}}*/
-void pkgAcqIndexDiffs::Done(string Message,unsigned long Size,string Md5Hash, /*{{{*/
+void pkgAcqIndexDiffs::Done(string Message,unsigned long long Size,string Md5Hash, /*{{{*/
pkgAcquire::MethodConfig *Cnf)
{
if(Debug)
chmod(FinalFile.c_str(),0644);
// see if there is more to download
- if(available_patches.size() > 0) {
+ if(available_patches.empty() == false) {
new pkgAcqIndexDiffs(Owner, RealURI, Description, Desc.ShortDesc,
ExpectedHash, ServerSha1, available_patches);
return Finish();
if (CompressionExtension.empty() == false)
CompressionExtension.erase(CompressionExtension.end()-1);
+ // only verify non-optional targets, see acquire-item.h for a FIXME
+ // to make this more flexible
+ if (Target->IsOptional())
+ Verify = false;
+ else
+ Verify = true;
+
Init(Target->URI, Target->Description, Target->ShortDesc);
}
/*}}}*/
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 Size,string Hash,
+void pkgAcqIndex::Done(string Message,unsigned long long Size,string Hash,
pkgAcquire::MethodConfig *Cfg)
{
Item::Done(Message,Size,Hash,Cfg);
ReportMirrorFailure("HashChecksumFailure");
return;
}
+
+ /* Verify the index file for correctness (all indexes must
+ * have a Package field) (LP: #346386) (Closes: #627642) */
+ if (Verify == true)
+ {
+ FileFd fd(DestFile, FileFd::ReadOnly);
+ pkgTagSection sec;
+ pkgTagFile tag(&fd);
+
+ // Only test for correctness if the file is not empty (empty is ok)
+ if (fd.Size() > 0) {
+ if (_error->PendingError() || !tag.Step(sec)) {
+ Status = StatError;
+ _error->DumpErrors();
+ Rename(DestFile,DestFile + ".FAILED");
+ return;
+ } else if (!sec.Exists("Package")) {
+ Status = StatError;
+ ErrorText = ("Encountered a section with no Package: header");
+ Rename(DestFile,DestFile + ".FAILED");
+ return;
+ }
+ }
+ }
+
// Done, move it into position
string FinalFile = _config->FindDir("Dir::State::lists");
FinalFile += URItoFileName(RealURI);
return "\nIndex-File: true\nLast-Modified: " + TimeRFC1123(Buf.st_mtime);
}
-void pkgAcqMetaSig::Done(string Message,unsigned long Size,string MD5,
+void pkgAcqMetaSig::Done(string Message,unsigned long long Size,string MD5,
pkgAcquire::MethodConfig *Cfg)
{
Item::Done(Message,Size,MD5,Cfg);
return "\nIndex-File: true\nLast-Modified: " + TimeRFC1123(Buf.st_mtime);
}
/*}}}*/
-void pkgAcqMetaIndex::Done(string Message,unsigned long Size,string Hash, /*{{{*/
+void pkgAcqMetaIndex::Done(string Message,unsigned long long Size,string Hash, /*{{{*/
pkgAcquire::MethodConfig *Cfg)
{
Item::Done(Message,Size,Hash,Cfg);
if (SigFile == "")
{
// There was no signature file, so we are finished. Download
- // the indexes without verification.
+ // the indexes and do only hashsum verification if possible
+ MetaIndexParser->Load(DestFile);
QueueIndexes(false);
}
else
string FinalFile = _config->FindDir("Dir::State::lists");
FinalFile += URItoFileName(RealURI);
if (SigFile == DestFile)
+ {
SigFile = FinalFile;
+ // 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);
+ }
DestFile = FinalFile;
}
Complete = true;
/*}}}*/
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();
+ for (std::vector<std::string>::const_iterator k = keys.begin(); k != keys.end(); ++k)
+ // FIXME: Feels wrong to check for hardcoded string here, but what should we do else…
+ if (k->find("Translation-") != std::string::npos)
+ {
+ transInRelease = true;
+ break;
+ }
+ }
+
for (vector <struct IndexTarget*>::const_iterator Target = IndexTargets->begin();
Target != IndexTargets->end();
- Target++)
+ ++Target)
{
HashString ExpectedIndexHash;
- if (verify)
+ const indexRecords::checkSum *Record = MetaIndexParser->Lookup((*Target)->MetaKey);
+ bool compressedAvailable = false;
+ if (Record == NULL)
{
- const indexRecords::checkSum *Record = MetaIndexParser->Lookup((*Target)->MetaKey);
- if (Record == NULL)
+ if ((*Target)->IsOptional() == true)
{
- if ((*Target)->IsOptional() == false)
- {
- Status = StatAuthError;
- strprintf(ErrorText, _("Unable to find expected entry '%s' in Release file (Wrong sources.list entry or malformed file)"), (*Target)->MetaKey.c_str());
- return;
- }
+ std::vector<std::string> types = APT::Configuration::getCompressionTypes();
+ for (std::vector<std::string>::const_iterator t = types.begin(); t != types.end(); ++t)
+ if (MetaIndexParser->Exists(string((*Target)->MetaKey).append(".").append(*t)) == true)
+ {
+ compressedAvailable = true;
+ break;
+ }
}
- else
+ else if (verify == true)
{
- ExpectedIndexHash = Record->Hash;
- if (_config->FindB("Debug::pkgAcquire::Auth", false))
- {
- std::cerr << "Queueing: " << (*Target)->URI << std::endl;
- std::cerr << "Expected Hash: " << ExpectedIndexHash.toStr() << std::endl;
- }
- if (ExpectedIndexHash.empty() == true && (*Target)->IsOptional() == false)
- {
- Status = StatAuthError;
- strprintf(ErrorText, _("Unable to find hash sum for '%s' in Release file"), (*Target)->MetaKey.c_str());
- return;
- }
+ Status = StatAuthError;
+ strprintf(ErrorText, _("Unable to find expected entry '%s' in Release file (Wrong sources.list entry or malformed file)"), (*Target)->MetaKey.c_str());
+ return;
+ }
+ }
+ else
+ {
+ ExpectedIndexHash = Record->Hash;
+ if (_config->FindB("Debug::pkgAcquire::Auth", false))
+ {
+ std::cerr << "Queueing: " << (*Target)->URI << std::endl;
+ std::cerr << "Expected Hash: " << ExpectedIndexHash.toStr() << std::endl;
+ std::cerr << "For: " << Record->MetaKeyFilename << std::endl;
+ }
+ if (verify == true && ExpectedIndexHash.empty() == true && (*Target)->IsOptional() == false)
+ {
+ Status = StatAuthError;
+ strprintf(ErrorText, _("Unable to find hash sum for '%s' in Release file"), (*Target)->MetaKey.c_str());
+ return;
}
}
if ((*Target)->IsSubIndex() == true)
new pkgAcqSubIndex(Owner, (*Target)->URI, (*Target)->Description,
(*Target)->ShortDesc, ExpectedIndexHash);
- else
- new pkgAcqIndexTrans(Owner, *Target, ExpectedIndexHash, MetaIndexParser);
+ else if (transInRelease == false || Record != NULL || compressedAvailable == true)
+ {
+ if (_config->FindB("Acquire::PDiffs",true) == true && transInRelease == true &&
+ MetaIndexParser->Exists(string((*Target)->MetaKey).append(".diff/Index")) == true)
+ new pkgAcqDiffIndex(Owner, (*Target)->URI, (*Target)->Description,
+ (*Target)->ShortDesc, ExpectedIndexHash);
+ else
+ new pkgAcqIndexTrans(Owner, *Target, ExpectedIndexHash, MetaIndexParser);
+ }
continue;
}
// TRANSLATOR: The first %s is the URL of the bad Release file, the second is
// the time since then the file is invalid - formated in the same way as in
// the download progress display (e.g. 7d 3h 42min 1s)
- return _error->Error(_("Release file expired, ignoring %s (invalid since %s)"),
- RealURI.c_str(), TimeToStr(invalid_since).c_str());
+ return _error->Error(
+ _("Release file for %s is expired (invalid since %s). "
+ "Updates for this repository will not be applied."),
+ RealURI.c_str(), TimeToStr(invalid_since).c_str());
}
if (_config->FindB("Debug::pkgAcquire::Auth", false))
if (AuthPass == true)
{
// gpgv method failed, if we have a good signature
- string LastGoodSigFile = _config->FindDir("Dir::State::lists");
- if (DestFile == SigFile)
- LastGoodSigFile.append(URItoFileName(RealURI));
- else
- LastGoodSigFile.append("partial/").append(URItoFileName(RealURI)).append(".gpg.reverify");
+ 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)
- {
- string VerifiedSigFile = _config->FindDir("Dir::State::lists") +
- URItoFileName(RealURI) + ".gpg";
- Rename(LastGoodSigFile,VerifiedSigFile);
- }
+ VerifiedSigFile.append(".gpg");
+ Rename(LastGoodSigFile, VerifiedSigFile);
Status = StatTransientNetworkError;
- _error->Warning(_("A error occurred during the signature "
+ _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"),
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(),
MetaSigURI(MetaSigURI), MetaSigURIDesc(MetaSigURIDesc), MetaSigShortDesc(MetaSigShortDesc)
{
SigFile = DestFile;
+
+ // keep the old InRelease around in case of transistent network errors
+ string const Final = _config->FindDir("Dir::State::lists") + URItoFileName(RealURI);
+ struct stat Buf;
+ if (stat(Final.c_str(),&Buf) == 0)
+ {
+ string const LastGoodSig = DestFile + ".reverify";
+ Rename(Final,LastGoodSig);
+ }
}
/*}}}*/
// pkgAcqMetaClearSig::Custom600Headers - Insert custom request headers /*{{{*/
struct stat Buf;
if (stat(Final.c_str(),&Buf) != 0)
- return "\nIndex-File: true\nFail-Ignore: true\n";
+ {
+ Final = DestFile + ".reverify";
+ 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);
}
{
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)
+ string FinalFile = _config->FindDir("Dir::State::lists");
+ FinalFile.append(URItoFileName(RealURI));
+ if (FileExists(FinalFile))
+ unlink(FinalFile.c_str());
+
new pkgAcqMetaSig(Owner,
MetaSigURI, MetaSigURIDesc, MetaSigShortDesc,
MetaIndexURI, MetaIndexURIDesc, MetaIndexShortDesc,
assumption here that all the available sources for this version share
the same extension.. */
// Skip not source sources, they do not have file fields.
- for (; Vf.end() == false; Vf++)
+ for (; Vf.end() == false; ++Vf)
{
if ((Vf.File()->Flags & pkgCache::Flag::NotSource) != 0)
continue;
// check if we have one trusted source for the package. if so, switch
// to "TrustedOnly" mode
- for (pkgCache::VerFileIterator i = Version.FileList(); i.end() == false; i++)
+ for (pkgCache::VerFileIterator i = Version.FileList(); i.end() == false; ++i)
{
pkgIndexFile *Index;
if (Sources->FindIndex(i.File(),Index) == false)
bool pkgAcqArchive::QueueNext()
{
string const ForceHash = _config->Find("Acquire::ForceHash");
- for (; Vf.end() == false; Vf++)
+ for (; Vf.end() == false; ++Vf)
{
// Ignore not source sources
if ((Vf.File()->Flags & pkgCache::Flag::NotSource) != 0)
{
if(stringcasecmp(ForceHash, "sha512") == 0)
ExpectedHash = HashString("SHA512", Parse.SHA512Hash());
- if(stringcasecmp(ForceHash, "sha256") == 0)
+ else if(stringcasecmp(ForceHash, "sha256") == 0)
ExpectedHash = HashString("SHA256", Parse.SHA256Hash());
else if (stringcasecmp(ForceHash, "sha1") == 0)
ExpectedHash = HashString("SHA1", Parse.SHA1Hash());
if (stat(FinalFile.c_str(),&Buf) == 0)
{
// Make sure the size matches
- if ((unsigned)Buf.st_size == Version->Size)
+ if ((unsigned long long)Buf.st_size == Version->Size)
{
Complete = true;
Local = true;
if (stat(FinalFile.c_str(),&Buf) == 0)
{
// Make sure the size matches
- if ((unsigned)Buf.st_size == Version->Size)
+ if ((unsigned long long)Buf.st_size == Version->Size)
{
Complete = true;
Local = true;
if (stat(DestFile.c_str(),&Buf) == 0)
{
// Hmm, the partial file is too big, erase it
- if ((unsigned)Buf.st_size > Version->Size)
+ if ((unsigned long long)Buf.st_size > Version->Size)
unlink(DestFile.c_str());
else
PartialSize = Buf.st_size;
}
-
+
+ // Disables download of archives - useful if no real installation follows,
+ // e.g. if we are just interested in proposed installation order
+ if (_config->FindB("Debug::pkgAcqArchive::NoQueue", false) == true)
+ {
+ Complete = true;
+ Local = true;
+ Status = StatDone;
+ StoreFilename = DestFile = FinalFile;
+ return true;
+ }
+
// Create the item
Local = false;
Desc.URI = Index->ArchiveURI(PkgFile);
Desc.ShortDesc = Version.ParentPkg().Name();
QueueURI(Desc);
- Vf++;
+ ++Vf;
return true;
}
return false;
// AcqArchive::Done - Finished fetching /*{{{*/
// ---------------------------------------------------------------------
/* */
-void pkgAcqArchive::Done(string Message,unsigned long Size,string CalcHash,
+void pkgAcqArchive::Done(string Message,unsigned long long Size,string CalcHash,
pkgAcquire::MethodConfig *Cfg)
{
Item::Done(Message,Size,CalcHash,Cfg);
StringToBool(LookupTag(Message,"Transient-Failure"),false) == true)
{
// Vf = Version.FileList();
- while (Vf.end() == false) Vf++;
+ while (Vf.end() == false) ++Vf;
StoreFilename = string();
Item::Failed(Message,Cnf);
return;
// ---------------------------------------------------------------------
/* The file is added to the queue */
pkgAcqFile::pkgAcqFile(pkgAcquire *Owner,string URI,string Hash,
- unsigned long Size,string Dsc,string ShortDesc,
+ unsigned long long Size,string Dsc,string ShortDesc,
const string &DestDir, const string &DestFilename,
bool IsIndexFile) :
Item(Owner), ExpectedHash(Hash), IsIndexFile(IsIndexFile)
if (stat(DestFile.c_str(),&Buf) == 0)
{
// Hmm, the partial file is too big, erase it
- if ((unsigned)Buf.st_size > Size)
+ if ((unsigned long long)Buf.st_size > Size)
unlink(DestFile.c_str());
else
PartialSize = Buf.st_size;
// AcqFile::Done - Item downloaded OK /*{{{*/
// ---------------------------------------------------------------------
/* */
-void pkgAcqFile::Done(string Message,unsigned long Size,string CalcHash,
+void pkgAcqFile::Done(string Message,unsigned long long Size,string CalcHash,
pkgAcquire::MethodConfig *Cnf)
{
Item::Done(Message,Size,CalcHash,Cnf);
return "";
}
/*}}}*/
-bool IndexTarget::IsOptional() const {
- if (strncmp(ShortDesc.c_str(), "Translation", 11) != 0)
- return false;
- return true;
-}
-bool IndexTarget::IsSubIndex() const {
- if (ShortDesc != "TranslationIndex")
- return false;
- return true;
-}
projects / apt.git / blobdiff