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authorMichael Vogt <mvo@debian.org>2011-02-08 10:27:51 +0100
committerMichael Vogt <mvo@debian.org>2011-02-08 10:27:51 +0100
commit09b8bd3226a68272f98e4020d10348ff26642500 (patch)
tree1394a74a187ce61982c6c8649721de2f543459a1 /apt-pkg/acquire-item.cc
parent7c748f4aa1bd47089672353fd1a401d1c5c94723 (diff)
parent4c6cf49317769725fee34a132c52ec1fe076b8b5 (diff)
merged from lp:~mvo/apt/mvo (which is really lp:~donkult/apt/sid with some updated comments ;)
Diffstat (limited to 'apt-pkg/acquire-item.cc')
-rw-r--r--apt-pkg/acquire-item.cc403
1 files changed, 310 insertions, 93 deletions
diff --git a/apt-pkg/acquire-item.cc b/apt-pkg/acquire-item.cc
index 2c4ce91a0..d4df31e85 100644
--- a/apt-pkg/acquire-item.cc
+++ b/apt-pkg/acquire-item.cc
@@ -184,6 +184,151 @@ void pkgAcquire::Item::ReportMirrorFailure(string FailCode)
}
}
/*}}}*/
+// 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).
+ */
+pkgAcqSubIndex::pkgAcqSubIndex(pkgAcquire *Owner, string const &URI,
+ string const &URIDesc, string const &ShortDesc,
+ HashString const &ExpectedHash)
+ : Item(Owner), ExpectedHash(ExpectedHash)
+{
+ 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()
+{
+ 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";
+ return "\nIndex-File: true\nLast-Modified: " + TimeRFC1123(Buf.st_mtime);
+}
+ /*}}}*/
+void pkgAcqSubIndex::Failed(string Message,pkgAcquire::MethodConfig *Cnf) /*{{{*/
+{
+ if(Debug)
+ std::clog << "pkgAcqSubIndex failed: " << Desc.URI << std::endl;
+
+ Complete = false;
+ 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);
+ }
+}
+ /*}}}*/
+void pkgAcqSubIndex::Done(string Message,unsigned long Size,string Md5Hash, /*{{{*/
+ 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,Md5Hash,Cnf);
+
+ string FinalFile = _config->FindDir("Dir::State::lists")+URItoFileName(Desc.URI);
+
+ // sucess 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;
+
+ 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);
+ }
+ return true;
+}
+ /*}}}*/
// AcqDiffIndex::AcqDiffIndex - Constructor /*{{{*/
// ---------------------------------------------------------------------
/* Get the DiffIndex file first and see if there are patches availabe
@@ -570,24 +715,7 @@ void pkgAcqIndexDiffs::Done(string Message,unsigned long Size,string Md5Hash, /*
FinalFile = _config->FindDir("Dir::State::lists")+URItoFileName(RealURI);
// sucess in downloading a diff, enter ApplyDiff state
- if(State == StateFetchDiff)
- {
-
- if(Debug)
- std::clog << "Sending to gzip method: " << FinalFile << std::endl;
-
- string FileName = LookupTag(Message,"Filename");
- State = StateUnzipDiff;
- Local = true;
- Desc.URI = "gzip:" + FileName;
- DestFile += ".decomp";
- QueueURI(Desc);
- Mode = "gzip";
- return;
- }
-
- // sucess in downloading a diff, enter ApplyDiff state
- if(State == StateUnzipDiff)
+ if(State == StateFetchDiff)
{
// rred excepts the patch as $FinalFile.ed
@@ -639,29 +767,61 @@ pkgAcqIndex::pkgAcqIndex(pkgAcquire *Owner,
HashString ExpectedHash, string comprExt)
: Item(Owner), RealURI(URI), ExpectedHash(ExpectedHash)
{
+ 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;
+
+ Init(URI, URIDesc, ShortDesc);
+}
+pkgAcqIndex::pkgAcqIndex(pkgAcquire *Owner, IndexTarget const *Target,
+ HashString const &ExpectedHash, indexRecords const *MetaIndexParser)
+ : Item(Owner), RealURI(Target->URI), ExpectedHash(ExpectedHash)
+{
+ // autoselect the compression method
+ std::vector<std::string> types = APT::Configuration::getCompressionTypes();
+ CompressionExtension = "";
+ if (ExpectedHash.empty() == false)
+ {
+ 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)
+ CompressionExtension.append(*t).append(" ");
+ }
+ else
+ {
+ for (std::vector<std::string>::const_iterator t = types.begin(); t != types.end(); ++t)
+ CompressionExtension.append(*t).append(" ");
+ }
+ 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) {
Decompression = false;
Erase = false;
DestFile = _config->FindDir("Dir::State::lists") + "partial/";
DestFile += URItoFileName(URI);
- if(comprExt.empty())
- {
- // autoselect the compression method
- std::vector<std::string> types = APT::Configuration::getCompressionTypes();
- if (types.empty() == true)
- comprExt = "plain";
- else
- comprExt = "." + types[0];
- }
- CompressionExtension = ((comprExt == "plain" || comprExt == ".") ? "" : comprExt);
-
- Desc.URI = URI + CompressionExtension;
+ std::string const comprExt = CompressionExtension.substr(0, CompressionExtension.find(' '));
+ if (comprExt == "uncompressed")
+ Desc.URI = URI;
+ else
+ Desc.URI = URI + '.' + comprExt;
Desc.Description = URIDesc;
Desc.Owner = this;
Desc.ShortDesc = ShortDesc;
-
+
QueueURI(Desc);
}
/*}}}*/
@@ -683,37 +843,18 @@ string pkgAcqIndex::Custom600Headers()
/*}}}*/
void pkgAcqIndex::Failed(string Message,pkgAcquire::MethodConfig *Cnf) /*{{{*/
{
- std::vector<std::string> types = APT::Configuration::getCompressionTypes();
-
- for (std::vector<std::string>::const_iterator t = types.begin();
- t != types.end(); t++)
+ size_t const nextExt = CompressionExtension.find(' ');
+ if (nextExt != std::string::npos)
{
- // jump over all already tried compression types
- const unsigned int nameLen = Desc.URI.size() - (*t).size();
- if(Desc.URI.substr(nameLen) != *t)
- continue;
-
- // we want to try it with the next extension (and make sure to
- // not skip over the end)
- t++;
- if (t == types.end())
- break;
-
- // queue new download
- Desc.URI = Desc.URI.substr(0, nameLen) + *t;
- new pkgAcqIndex(Owner, RealURI, Desc.Description, Desc.ShortDesc,
- ExpectedHash, string(".").append(*t));
-
- Status = StatDone;
- Complete = false;
- Dequeue();
+ CompressionExtension = CompressionExtension.substr(nextExt+1);
+ Init(RealURI, Desc.Description, Desc.ShortDesc);
return;
}
// on decompression failure, remove bad versions in partial/
- if(Decompression && Erase) {
+ if (Decompression && Erase) {
string s = _config->FindDir("Dir::State::lists") + "partial/";
- s += URItoFileName(RealURI);
+ s.append(URItoFileName(RealURI));
unlink(s.c_str());
}
@@ -790,8 +931,8 @@ void pkgAcqIndex::Done(string Message,unsigned long Size,string Hash,
Status = StatError;
ErrorText = "Method gave a blank filename";
}
-
- string compExt = flExtension(flNotDir(URI(Desc.URI).Path));
+
+ std::string const compExt = CompressionExtension.substr(0, CompressionExtension.find(' '));
// The files timestamp matches
if (StringToBool(LookupTag(Message,"IMS-Hit"),false) == true) {
@@ -824,12 +965,7 @@ void pkgAcqIndex::Done(string Message,unsigned long Size,string Hash,
// get the binary name for your used compression type
decompProg = _config->Find(string("Acquire::CompressionTypes::").append(compExt),"");
if(decompProg.empty() == false);
- // flExtensions returns the full name if no extension is found
- // this is why we have this complicated compare operation here
- // FIMXE: add a new flJustExtension() that return "" if no
- // extension is found and use that above so that it can
- // be tested against ""
- else if(compExt == flNotDir(URI(Desc.URI).Path))
+ else if(compExt == "uncompressed")
decompProg = "copy";
else {
_error->Error("Unsupported extension: %s", compExt.c_str());
@@ -851,6 +987,11 @@ pkgAcqIndexTrans::pkgAcqIndexTrans(pkgAcquire *Owner,
: pkgAcqIndex(Owner, URI, URIDesc, ShortDesc, HashString(), "")
{
}
+pkgAcqIndexTrans::pkgAcqIndexTrans(pkgAcquire *Owner, IndexTarget const *Target,
+ HashString const &ExpectedHash, indexRecords const *MetaIndexParser)
+ : pkgAcqIndex(Owner, Target, ExpectedHash, MetaIndexParser)
+{
+}
/*}}}*/
// AcqIndexTrans::Custom600Headers - Insert custom request headers /*{{{*/
// ---------------------------------------------------------------------
@@ -870,6 +1011,15 @@ string pkgAcqIndexTrans::Custom600Headers()
/* */
void pkgAcqIndexTrans::Failed(string Message,pkgAcquire::MethodConfig *Cnf)
{
+ size_t const nextExt = CompressionExtension.find(' ');
+ if (nextExt != std::string::npos)
+ {
+ CompressionExtension = CompressionExtension.substr(nextExt+1);
+ Init(RealURI, Desc.Description, Desc.ShortDesc);
+ Status = StatIdle;
+ return;
+ }
+
if (Cnf->LocalOnly == true ||
StringToBool(LookupTag(Message,"Transient-Failure"),false) == false)
{
@@ -879,7 +1029,7 @@ void pkgAcqIndexTrans::Failed(string Message,pkgAcquire::MethodConfig *Cnf)
Dequeue();
return;
}
-
+
Item::Failed(Message,Cnf);
}
/*}}}*/
@@ -1094,6 +1244,8 @@ void pkgAcqMetaIndex::Done(string Message,unsigned long Size,string Hash, /*{{{*
{
string FinalFile = _config->FindDir("Dir::State::lists");
FinalFile += URItoFileName(RealURI);
+ if (SigFile == DestFile)
+ SigFile = FinalFile;
Rename(DestFile,FinalFile);
chmod(FinalFile.c_str(),0644);
DestFile = FinalFile;
@@ -1127,6 +1279,8 @@ void pkgAcqMetaIndex::RetrievalDone(string Message) /*{{{*/
{
string FinalFile = _config->FindDir("Dir::State::lists");
FinalFile += URItoFileName(RealURI);
+ if (SigFile == DestFile)
+ SigFile = FinalFile;
DestFile = FinalFile;
}
Complete = true;
@@ -1158,6 +1312,10 @@ void pkgAcqMetaIndex::AuthDone(string Message) /*{{{*/
// Download further indexes with verification
QueueIndexes(true);
+ // is it a clearsigned MetaIndex file?
+ if (DestFile == SigFile)
+ return;
+
// Done, move signature file into position
string VerifiedSigFile = _config->FindDir("Dir::State::lists") +
URItoFileName(RealURI) + ".gpg";
@@ -1174,27 +1332,41 @@ void pkgAcqMetaIndex::QueueIndexes(bool verify) /*{{{*/
HashString ExpectedIndexHash;
if (verify)
{
- const indexRecords::checkSum *Record = MetaIndexParser->Lookup((*Target)->MetaKey);
- if (!Record)
- {
- Status = StatAuthError;
- ErrorText = "Unable to find expected entry "
- + (*Target)->MetaKey + " in Meta-index file (malformed Release file?)";
- return;
- }
- 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())
- {
- Status = StatAuthError;
- ErrorText = "Unable to find hash sum for "
- + (*Target)->MetaKey + " in Meta-index file";
- return;
- }
+ const indexRecords::checkSum *Record = MetaIndexParser->Lookup((*Target)->MetaKey);
+ if (Record == NULL)
+ {
+ 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;
+ }
+ }
+ 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;
+ }
+ 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;
+ }
+ }
+ }
+
+ if ((*Target)->IsOptional() == true)
+ {
+ if ((*Target)->IsSubIndex() == true)
+ new pkgAcqSubIndex(Owner, (*Target)->URI, (*Target)->Description,
+ (*Target)->ShortDesc, ExpectedIndexHash);
+ else
+ new pkgAcqIndexTrans(Owner, *Target, ExpectedIndexHash, MetaIndexParser);
+ continue;
}
/* Queue Packages file (either diff or full packages files, depending
@@ -1206,8 +1378,7 @@ void pkgAcqMetaIndex::QueueIndexes(bool verify) /*{{{*/
new pkgAcqDiffIndex(Owner, (*Target)->URI, (*Target)->Description,
(*Target)->ShortDesc, ExpectedIndexHash);
else
- new pkgAcqIndex(Owner, (*Target)->URI, (*Target)->Description,
- (*Target)->ShortDesc, ExpectedIndexHash);
+ new pkgAcqIndex(Owner, *Target, ExpectedIndexHash, MetaIndexParser);
}
}
/*}}}*/
@@ -1317,13 +1488,20 @@ void pkgAcqMetaIndex::Failed(string Message,pkgAcquire::MethodConfig *Cnf)
if (AuthPass == true)
{
// gpgv method failed, if we have a good signature
- string LastGoodSigFile = _config->FindDir("Dir::State::lists") +
- "partial/" + URItoFileName(RealURI) + ".gpg.reverify";
+ string LastGoodSigFile = _config->FindDir("Dir::State::lists");
+ if (DestFile == SigFile)
+ LastGoodSigFile.append(URItoFileName(RealURI));
+ else
+ LastGoodSigFile.append("partial/").append(URItoFileName(RealURI)).append(".gpg.reverify");
+
if(FileExists(LastGoodSigFile))
{
- string VerifiedSigFile = _config->FindDir("Dir::State::lists") +
- URItoFileName(RealURI) + ".gpg";
- Rename(LastGoodSigFile,VerifiedSigFile);
+ if (DestFile != SigFile)
+ {
+ string VerifiedSigFile = _config->FindDir("Dir::State::lists") +
+ URItoFileName(RealURI) + ".gpg";
+ Rename(LastGoodSigFile,VerifiedSigFile);
+ }
Status = StatTransientNetworkError;
_error->Warning(_("A error occurred during the signature "
"verification. The repository is not updated "
@@ -1347,6 +1525,35 @@ void pkgAcqMetaIndex::Failed(string Message,pkgAcquire::MethodConfig *Cnf)
QueueIndexes(false);
}
/*}}}*/
+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,
+ indexRecords* MetaIndexParser) :
+ pkgAcqMetaIndex(Owner, URI, URIDesc, ShortDesc, "", IndexTargets, MetaIndexParser),
+ MetaIndexURI(MetaIndexURI), MetaIndexURIDesc(MetaIndexURIDesc), MetaIndexShortDesc(MetaIndexShortDesc),
+ MetaSigURI(MetaSigURI), MetaSigURIDesc(MetaSigURIDesc), MetaSigShortDesc(MetaSigShortDesc)
+{
+ SigFile = DestFile;
+}
+ /*}}}*/
+void pkgAcqMetaClearSig::Failed(string Message,pkgAcquire::MethodConfig *Cnf) /*{{{*/
+{
+ if (AuthPass == false)
+ {
+ new pkgAcqMetaSig(Owner,
+ MetaSigURI, MetaSigURIDesc, MetaSigShortDesc,
+ MetaIndexURI, MetaIndexURIDesc, MetaIndexShortDesc,
+ IndexTargets, MetaIndexParser);
+ if (Cnf->LocalOnly == true ||
+ StringToBool(LookupTag(Message, "Transient-Failure"), false) == false)
+ Dequeue();
+ }
+ else
+ pkgAcqMetaIndex::Failed(Message, Cnf);
+}
+ /*}}}*/
// AcqArchive::AcqArchive - Constructor /*{{{*/
// ---------------------------------------------------------------------
/* This just sets up the initial fetch environment and queues the first
@@ -1793,3 +2000,13 @@ string pkgAcqFile::Custom600Headers()
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;
+}