// Include Files /*{{{*/
#include <apt-pkg/acquire-item.h>
#include <apt-pkg/configuration.h>
+#include <apt-pkg/aptconfiguration.h>
#include <apt-pkg/sourcelist.h>
#include <apt-pkg/vendorlist.h>
#include <apt-pkg/error.h>
}
}
/*}}}*/
-
-
-// AcqDiffIndex::AcqDiffIndex - Constructor
+// AcqDiffIndex::AcqDiffIndex - Constructor /*{{{*/
// ---------------------------------------------------------------------
/* Get the DiffIndex file first and see if there are patches availabe
* If so, create a pkgAcqIndexDiffs fetcher that will get and apply the
QueueURI(Desc);
}
-
+ /*}}}*/
// AcqIndex::Custom600Headers - Insert custom request headers /*{{{*/
// ---------------------------------------------------------------------
/* The only header we use is the last-modified header. */
return "\nIndex-File: true\nLast-Modified: " + TimeRFC1123(Buf.st_mtime);
}
-
-
-bool pkgAcqDiffIndex::ParseDiffIndex(string IndexDiffFile)
+ /*}}}*/
+bool pkgAcqDiffIndex::ParseDiffIndex(string IndexDiffFile) /*{{{*/
{
if(Debug)
std::clog << "pkgAcqIndexDiffs::ParseIndexDiff() " << IndexDiffFile
if(TF.Step(Tags) == true)
{
- string local_sha1;
bool found = false;
DiffInfo d;
string size;
- string tmp = Tags.FindS("SHA1-Current");
+ string const tmp = Tags.FindS("SHA1-Current");
std::stringstream ss(tmp);
- ss >> ServerSha1;
+ ss >> ServerSha1 >> size;
+ unsigned long const ServerSize = atol(size.c_str());
FileFd fd(CurrentPackagesFile, FileFd::ReadOnly);
SHA1Summation SHA1;
SHA1.AddFD(fd.Fd(), fd.Size());
- local_sha1 = string(SHA1.Result());
+ string const local_sha1 = SHA1.Result();
if(local_sha1 == ServerSha1)
{
std::clog << "SHA1-Current: " << ServerSha1 << std::endl;
// check the historie and see what patches we need
- string history = Tags.FindS("SHA1-History");
+ string const history = Tags.FindS("SHA1-History");
std::stringstream hist(history);
- while(hist >> d.sha1 >> size >> d.file)
+ while(hist >> d.sha1 >> size >> d.file)
{
- d.size = atoi(size.c_str());
// read until the first match is found
+ // from that point on, we probably need all diffs
if(d.sha1 == local_sha1)
found=true;
- // from that point on, we probably need all diffs
- if(found)
+ else if (found == false)
+ continue;
+
+ if(Debug)
+ std::clog << "Need to get diff: " << d.file << std::endl;
+ available_patches.push_back(d);
+ }
+
+ if (available_patches.empty() == false)
+ {
+ // patching with too many files is rather slow compared to a fast download
+ unsigned long const fileLimit = _config->FindI("Acquire::PDiffs::FileLimit", 0);
+ if (fileLimit != 0 && fileLimit < available_patches.size())
+ {
+ if (Debug)
+ std::clog << "Need " << available_patches.size() << " diffs (Limit is " << fileLimit
+ << ") so fallback to complete download" << std::endl;
+ return false;
+ }
+
+ // see if the patches are too big
+ found = false; // it was true and it will be true again at the end
+ d = *available_patches.begin();
+ string const firstPatch = d.file;
+ unsigned long patchesSize = 0;
+ std::stringstream patches(Tags.FindS("SHA1-Patches"));
+ while(patches >> d.sha1 >> size >> d.file)
{
- if(Debug)
- std::clog << "Need to get diff: " << d.file << std::endl;
- available_patches.push_back(d);
+ if (firstPatch == d.file)
+ found = true;
+ else if (found == false)
+ continue;
+
+ patchesSize += atol(size.c_str());
+ }
+ unsigned long const sizeLimit = ServerSize * _config->FindI("Acquire::PDiffs::SizeLimit", 100);
+ if (sizeLimit > 0 && (sizeLimit/100) < patchesSize)
+ {
+ if (Debug)
+ std::clog << "Need " << patchesSize << " bytes (Limit is " << sizeLimit/100
+ << ") so fallback to complete download" << std::endl;
+ return false;
}
}
}
if(found)
{
// queue the diffs
- string::size_type last_space = Description.rfind(" ");
+ string::size_type const last_space = Description.rfind(" ");
if(last_space != string::npos)
Description.erase(last_space, Description.size()-last_space);
new pkgAcqIndexDiffs(Owner, RealURI, Description, Desc.ShortDesc,
- ExpectedHash, available_patches);
+ ExpectedHash, ServerSha1, available_patches);
Complete = false;
Status = StatDone;
Dequeue();
std::clog << "Can't find a patch in the index file" << std::endl;
return false;
}
-
-void pkgAcqDiffIndex::Failed(string Message,pkgAcquire::MethodConfig *Cnf)
+ /*}}}*/
+void pkgAcqDiffIndex::Failed(string Message,pkgAcquire::MethodConfig *Cnf) /*{{{*/
{
if(Debug)
std::clog << "pkgAcqDiffIndex failed: " << Desc.URI << std::endl
Status = StatDone;
Dequeue();
}
-
-void pkgAcqDiffIndex::Done(string Message,unsigned long Size,string Md5Hash,
+ /*}}}*/
+void pkgAcqDiffIndex::Done(string Message,unsigned long Size,string Md5Hash, /*{{{*/
pkgAcquire::MethodConfig *Cnf)
{
if(Debug)
Dequeue();
return;
}
-
-
-
-// AcqIndexDiffs::AcqIndexDiffs - Constructor
+ /*}}}*/
+// AcqIndexDiffs::AcqIndexDiffs - Constructor /*{{{*/
// ---------------------------------------------------------------------
/* The package diff is added to the queue. one object is constructed
* for each diff and the index
pkgAcqIndexDiffs::pkgAcqIndexDiffs(pkgAcquire *Owner,
string URI,string URIDesc,string ShortDesc,
HashString ExpectedHash,
+ string ServerSha1,
vector<DiffInfo> diffs)
: Item(Owner), RealURI(URI), ExpectedHash(ExpectedHash),
- available_patches(diffs)
+ available_patches(diffs), ServerSha1(ServerSha1)
{
DestFile = _config->FindDir("Dir::State::lists") + "partial/";
QueueNextDiff();
}
}
-
-
-void pkgAcqIndexDiffs::Failed(string Message,pkgAcquire::MethodConfig *Cnf)
+ /*}}}*/
+void pkgAcqIndexDiffs::Failed(string Message,pkgAcquire::MethodConfig *Cnf) /*{{{*/
{
if(Debug)
std::clog << "pkgAcqIndexDiffs failed: " << Desc.URI << std::endl
ExpectedHash);
Finish();
}
-
-
-// helper that cleans the item out of the fetcher queue
+ /*}}}*/
+// Finish - helper that cleans the item out of the fetcher queue /*{{{*/
void pkgAcqIndexDiffs::Finish(bool allDone)
{
// we restore the original name, this is required, otherwise
Dequeue();
return;
}
-
-
-
-bool pkgAcqIndexDiffs::QueueNextDiff()
+ /*}}}*/
+bool pkgAcqIndexDiffs::QueueNextDiff() /*{{{*/
{
// calc sha1 of the just patched file
std::clog << "QueueNextDiff: "
<< FinalFile << " (" << local_sha1 << ")"<<std::endl;
+ // final file reached before all patches are applied
+ if(local_sha1 == ServerSha1)
+ {
+ Finish(true);
+ return true;
+ }
+
// 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();
return true;
}
-
-
-
-void pkgAcqIndexDiffs::Done(string Message,unsigned long Size,string Md5Hash,
+ /*}}}*/
+void pkgAcqIndexDiffs::Done(string Message,unsigned long Size,string Md5Hash, /*{{{*/
pkgAcquire::MethodConfig *Cnf)
{
if(Debug)
// see if there is more to download
if(available_patches.size() > 0) {
new pkgAcqIndexDiffs(Owner, RealURI, Description, Desc.ShortDesc,
- ExpectedHash, available_patches);
+ ExpectedHash, ServerSha1, available_patches);
return Finish();
} else
return Finish(true);
}
}
-
-
+ /*}}}*/
// AcqIndex::AcqIndex - Constructor /*{{{*/
// ---------------------------------------------------------------------
/* The package file is added to the queue and a second class is
if(comprExt.empty())
{
// autoselect the compression method
- if(FileExists("/bin/bzip2"))
- CompressionExtension = ".bz2";
- else
- CompressionExtension = ".gz";
- } else {
- CompressionExtension = comprExt;
+ std::vector<std::string> types = APT::Configuration::getCompressionTypes();
+ if (types.empty() == true)
+ comprExt = "plain";
+ else
+ comprExt = "." + types[0];
}
- Desc.URI = URI + CompressionExtension;
+ CompressionExtension = ((comprExt == "plain" || comprExt == ".") ? "" : comprExt);
+
+ Desc.URI = URI + CompressionExtension;
Desc.Description = URIDesc;
Desc.Owner = this;
return "\nIndex-File: true\nLast-Modified: " + TimeRFC1123(Buf.st_mtime);
}
/*}}}*/
-
-void pkgAcqIndex::Failed(string Message,pkgAcquire::MethodConfig *Cnf)
+void pkgAcqIndex::Failed(string Message,pkgAcquire::MethodConfig *Cnf) /*{{{*/
{
- // no .bz2 found, retry with .gz
- if(Desc.URI.substr(Desc.URI.size()-3) == "bz2") {
- Desc.URI = Desc.URI.substr(0,Desc.URI.size()-3) + "gz";
+ std::vector<std::string> types = APT::Configuration::getCompressionTypes();
- // retry with a gzip one
- new pkgAcqIndex(Owner, RealURI, Desc.Description,Desc.ShortDesc,
- ExpectedHash, string(".gz"));
+ for (std::vector<std::string>::const_iterator t = types.begin();
+ t != types.end(); t++)
+ {
+ // 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();
return;
- }
-
+ }
+
// on decompression failure, remove bad versions in partial/
if(Decompression && Erase) {
string s = _config->FindDir("Dir::State::lists") + "partial/";
Item::Failed(Message,Cnf);
}
-
-
+ /*}}}*/
// AcqIndex::Done - Finished a fetch /*{{{*/
// ---------------------------------------------------------------------
/* This goes through a number of states.. On the initial fetch the
// The files timestamp matches
if (StringToBool(LookupTag(Message,"IMS-Hit"),false) == true)
- {
- unlink(FileName.c_str());
return;
- }
if (FileName == DestFile)
Erase = true;
else
Local = true;
- string compExt = Desc.URI.substr(Desc.URI.size()-3);
- const char *decompProg;
- if(compExt == "bz2")
- decompProg = "bzip2";
- else if(compExt == ".gz")
- decompProg = "gzip";
+ string compExt = flExtension(flNotDir(URI(Desc.URI).Path));
+ string decompProg;
+
+ // 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))
+ decompProg = "copy";
else {
_error->Error("Unsupported extension: %s", compExt.c_str());
return;
Decompression = true;
DestFile += ".decomp";
- Desc.URI = string(decompProg) + ":" + FileName;
+ Desc.URI = decompProg + ":" + FileName;
QueueURI(Desc);
- Mode = decompProg;
+ Mode = decompProg.c_str();
}
-
+ /*}}}*/
// AcqIndexTrans::pkgAcqIndexTrans - Constructor /*{{{*/
// ---------------------------------------------------------------------
/* The Translation file is added to the queue */
: pkgAcqIndex(Owner, URI, URIDesc, ShortDesc, HashString(), "")
{
}
-
/*}}}*/
// AcqIndexTrans::Failed - Silence failure messages for missing files /*{{{*/
// ---------------------------------------------------------------------
Item::Failed(Message,Cnf);
}
/*}}}*/
-
-pkgAcqMetaSig::pkgAcqMetaSig(pkgAcquire *Owner,
+pkgAcqMetaSig::pkgAcqMetaSig(pkgAcquire *Owner, /*{{{*/
string URI,string URIDesc,string ShortDesc,
string MetaIndexURI, string MetaIndexURIDesc,
string MetaIndexShortDesc,
Desc.Owner = this;
Desc.ShortDesc = ShortDesc;
Desc.URI = URI;
-
string Final = _config->FindDir("Dir::State::lists");
Final += URItoFileName(RealURI);
struct stat Buf;
if (stat(Final.c_str(),&Buf) == 0)
{
- // File was already in place. It needs to be re-verified
- // because Release might have changed, so Move it into partial
- Rename(Final,DestFile);
+ // File was already in place. It needs to be re-downloaded/verified
+ // because Release might have changed, we do give it a differnt
+ // 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);
}
QueueURI(Desc);
string pkgAcqMetaSig::Custom600Headers()
{
struct stat Buf;
- if (stat(DestFile.c_str(),&Buf) != 0)
+ if (stat(LastGoodSig.c_str(),&Buf) != 0)
return "\nIndex-File: true";
return "\nIndex-File: true\nLast-Modified: " + TimeRFC1123(Buf.st_mtime);
Complete = true;
+ // 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 a pkgAcqMetaIndex to be verified against the sig we just retrieved
new pkgAcqMetaIndex(Owner, MetaIndexURI, MetaIndexURIDesc, MetaIndexShortDesc,
DestFile, IndexTargets, MetaIndexParser);
}
/*}}}*/
-void pkgAcqMetaSig::Failed(string Message,pkgAcquire::MethodConfig *Cnf)
+void pkgAcqMetaSig::Failed(string Message,pkgAcquire::MethodConfig *Cnf)/*{{{*/
{
string Final = _config->FindDir("Dir::State::lists") + URItoFileName(RealURI);
Item::Failed(Message,Cnf);
// move the sigfile back on transient network failures
if(FileExists(DestFile))
- Rename(DestFile,Final);
+ Rename(LastGoodSig,Final);
// set the status back to , Item::Failed likes to reset it
Status = pkgAcquire::Item::StatTransientNetworkError;
Item::Failed(Message,Cnf);
}
-
-pkgAcqMetaIndex::pkgAcqMetaIndex(pkgAcquire *Owner,
+ /*}}}*/
+pkgAcqMetaIndex::pkgAcqMetaIndex(pkgAcquire *Owner, /*{{{*/
string URI,string URIDesc,string ShortDesc,
string SigFile,
const vector<struct IndexTarget*>* IndexTargets,
QueueURI(Desc);
}
-
/*}}}*/
// pkgAcqMetaIndex::Custom600Headers - Insert custom request headers /*{{{*/
// ---------------------------------------------------------------------
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 Size,string Hash, /*{{{*/
pkgAcquire::MethodConfig *Cfg)
{
Item::Done(Message,Size,Hash,Cfg);
}
}
}
-
-void pkgAcqMetaIndex::RetrievalDone(string Message)
+ /*}}}*/
+void pkgAcqMetaIndex::RetrievalDone(string Message) /*{{{*/
{
// We have just finished downloading a Release file (it is not
// verified yet)
chmod(FinalFile.c_str(),0644);
DestFile = FinalFile;
}
-
-void pkgAcqMetaIndex::AuthDone(string Message)
+ /*}}}*/
+void pkgAcqMetaIndex::AuthDone(string Message) /*{{{*/
{
// At this point, the gpgv method has succeeded, so there is a
// valid signature from a key in the trusted keyring. We
Rename(SigFile,VerifiedSigFile);
chmod(VerifiedSigFile.c_str(),0644);
}
-
-void pkgAcqMetaIndex::QueueIndexes(bool verify)
+ /*}}}*/
+void pkgAcqMetaIndex::QueueIndexes(bool verify) /*{{{*/
{
for (vector <struct IndexTarget*>::const_iterator Target = IndexTargets->begin();
Target != IndexTargets->end();
(*Target)->ShortDesc, ExpectedIndexHash);
}
}
-
-bool pkgAcqMetaIndex::VerifyVendor(string Message)
+ /*}}}*/
+bool pkgAcqMetaIndex::VerifyVendor(string Message) /*{{{*/
{
// // Maybe this should be made available from above so we don't have
// // to read and parse it every time?
return true;
}
- /*}}}*/
-// pkgAcqMetaIndex::Failed - no Release file present or no signature
-// file present /*{{{*/
+ /*}}}*/
+// pkgAcqMetaIndex::Failed - no Release file present or no signature file present /*{{{*/
// ---------------------------------------------------------------------
/* */
void pkgAcqMetaIndex::Failed(string Message,pkgAcquire::MethodConfig *Cnf)
// back to queueing Packages files without verification
QueueIndexes(false);
}
-
/*}}}*/
-
// AcqArchive::AcqArchive - Constructor /*{{{*/
// ---------------------------------------------------------------------
/* This just sets up the initial fetch environment and queues the first
the archive is already available in the cache and stashs the MD5 for
checking later. */
bool pkgAcqArchive::QueueNext()
-{
+{
+ string const ForceHash = _config->Find("Acquire::ForceHash");
for (; Vf.end() == false; Vf++)
{
// Ignore not source sources
return false;
string PkgFile = Parse.FileName();
- if(Parse.SHA256Hash() != "")
- ExpectedHash = HashString("SHA256", Parse.SHA256Hash());
- else if (Parse.SHA1Hash() != "")
- ExpectedHash = HashString("SHA1", Parse.SHA1Hash());
- else
- ExpectedHash = HashString("MD5Sum", Parse.MD5Hash());
+ if (ForceHash.empty() == false)
+ {
+ 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.SHA256Hash()).empty() == false)
+ ExpectedHash = HashString("SHA256", Hash);
+ else if ((Hash = Parse.SHA1Hash()).empty() == false)
+ ExpectedHash = HashString("SHA1", Hash);
+ else
+ ExpectedHash = HashString("MD5Sum", Parse.MD5Hash());
+ }
if (PkgFile.empty() == true)
return _error->Error(_("The package index files are corrupted. No Filename: "
"field for package %s."),
}
}
/*}}}*/
-// AcqArchive::IsTrusted - Determine whether this archive comes from a
-// trusted source /*{{{*/
+// AcqArchive::IsTrusted - Determine whether this archive comes from a trusted source /*{{{*/
// ---------------------------------------------------------------------
bool pkgAcqArchive::IsTrusted()
{
return Trusted;
}
-
+ /*}}}*/
// AcqArchive::Finished - Fetching has finished, tidy up /*{{{*/
// ---------------------------------------------------------------------
/* */
StoreFilename = string();
}
/*}}}*/
-
// AcqFile::pkgAcqFile - Constructor /*{{{*/
// ---------------------------------------------------------------------
/* The file is added to the queue */
pkgAcqFile::pkgAcqFile(pkgAcquire *Owner,string URI,string Hash,
unsigned long Size,string Dsc,string ShortDesc,
- const string &DestDir, const string &DestFilename) :
- Item(Owner), ExpectedHash(Hash)
+ const string &DestDir, const string &DestFilename,
+ bool IsIndexFile) :
+ Item(Owner), ExpectedHash(Hash), IsIndexFile(IsIndexFile)
{
Retries = _config->FindI("Acquire::Retries",0);
Item::Failed(Message,Cnf);
}
/*}}}*/
+// AcqIndex::Custom600Headers - Insert custom request headers /*{{{*/
+// ---------------------------------------------------------------------
+/* The only header we use is the last-modified header. */
+string pkgAcqFile::Custom600Headers()
+{
+ if (IsIndexFile)
+ return "\nIndex-File: true";
+}
+ /*}}}*/
projects / apt.git / blobdiff