##################################################################### */
/*}}}*/
// Include Files /*{{{*/
-#ifdef __GNUG__
-#pragma implementation "apt-pkg/acquire-item.h"
-#endif
#include <apt-pkg/acquire-item.h>
#include <apt-pkg/configuration.h>
#include <apt-pkg/sourcelist.h>
// Acquire::Item::Done - Item downloaded OK /*{{{*/
// ---------------------------------------------------------------------
/* */
-void pkgAcquire::Item::Done(string Message,unsigned long Size,string,
+void pkgAcquire::Item::Done(string Message,unsigned long Size,string Hash,
pkgAcquire::MethodConfig *Cnf)
{
// We just downloaded something..
string FileName = LookupTag(Message,"Filename");
- if (Complete == false && FileName == DestFile)
+ // we only inform the Log class if it was actually not a local thing
+ if (Complete == false && !Local && FileName == DestFile)
{
if (Owner->Log != 0)
Owner->Log->Fetched(Size,atoi(LookupTag(Message,"Resume-Point","0").c_str()));
}
/*}}}*/
-// AcqIndexDiffs::AcqIndexDiffs - Constructor
+
+// AcqDiffIndex::AcqDiffIndex - Constructor
// ---------------------------------------------------------------------
-/* The package diff is added to the queue. one object is constructed
- * for each diff and the index
+/* Get the DiffIndex file first and see if there are patches availabe
+ * If so, create a pkgAcqIndexDiffs fetcher that will get and apply the
+ * patches. If anything goes wrong in that process, it will fall back to
+ * the original packages file
*/
-pkgAcqIndexDiffs::pkgAcqIndexDiffs(pkgAcquire *Owner,
- string URI,string URIDesc,string ShortDesc,
- string ExpectedMD5, vector<DiffInfo> diffs)
- : Item(Owner), RealURI(URI), ExpectedMD5(ExpectedMD5), needed_files(diffs)
+pkgAcqDiffIndex::pkgAcqDiffIndex(pkgAcquire *Owner,
+ string URI,string URIDesc,string ShortDesc,
+ HashString ExpectedHash)
+ : Item(Owner), RealURI(URI), ExpectedHash(ExpectedHash),
+ Description(URIDesc)
{
- DestFile = _config->FindDir("Dir::State::lists") + "partial/";
- DestFile += URItoFileName(URI);
-
Debug = _config->FindB("Debug::pkgAcquire::Diffs",false);
- Desc.Description = URIDesc;
+ Desc.Description = URIDesc + "/DiffIndex";
Desc.Owner = this;
Desc.ShortDesc = ShortDesc;
+ Desc.URI = URI + ".diff/Index";
+
+ DestFile = _config->FindDir("Dir::State::lists") + "partial/";
+ DestFile += URItoFileName(URI) + string(".DiffIndex");
+
+ if(Debug)
+ std::clog << "pkgAcqDiffIndex: " << Desc.URI << std::endl;
+ // look for the current package file
CurrentPackagesFile = _config->FindDir("Dir::State::lists");
CurrentPackagesFile += URItoFileName(RealURI);
- if(Debug) {
- std::clog << "pkgAcqIndexDiffs::pkgAcqIndexDiffs(): "
- << CurrentPackagesFile << std::endl;
- }
-
+ // FIXME: this file:/ check is a hack to prevent fetching
+ // from local sources. this is really silly, and
+ // should be fixed cleanly as soon as possible
if(!FileExists(CurrentPackagesFile) ||
- !_config->FindB("Acquire::Diffs",true)) {
+ Desc.URI.substr(0,strlen("file:/")) == "file:/")
+ {
// we don't have a pkg file or we don't want to queue
if(Debug)
- std::clog << "No index file or canceld by user" << std::endl;
+ std::clog << "No index file, local or canceld by user" << std::endl;
Failed("", NULL);
return;
}
- if(needed_files.size() == 0)
- QueueDiffIndex(URI);
- else
- QueueNextDiff();
-}
-
-void pkgAcqIndexDiffs::QueueDiffIndex(string URI)
-{
- Desc.URI = URI + ".diff/Index";
- Desc.Description = Description + "IndexDiff";
- DestFile = _config->FindDir("Dir::State::lists") + "partial/";
- DestFile += URItoFileName(URI) + string(".IndexDiff");
-
- if(Debug)
- std::clog << "QueueDiffIndex: " << Desc.URI << std::endl;
-
+ if(Debug)
+ std::clog << "pkgAcqIndexDiffs::pkgAcqIndexDiffs(): "
+ << CurrentPackagesFile << std::endl;
+
QueueURI(Desc);
+
}
// AcqIndex::Custom600Headers - Insert custom request headers /*{{{*/
// ---------------------------------------------------------------------
/* The only header we use is the last-modified header. */
-string pkgAcqIndexDiffs::Custom600Headers()
+string pkgAcqDiffIndex::Custom600Headers()
{
- if(DestFile.rfind(".IndexDiff") == string::npos)
- return string("");
-
string Final = _config->FindDir("Dir::State::lists");
Final += URItoFileName(RealURI) + string(".IndexDiff");
return "\nIndex-File: true\nLast-Modified: " + TimeRFC1123(Buf.st_mtime);
}
+
+bool pkgAcqDiffIndex::ParseDiffIndex(string IndexDiffFile)
+{
+ if(Debug)
+ std::clog << "pkgAcqIndexDiffs::ParseIndexDiff() " << IndexDiffFile
+ << std::endl;
+
+ pkgTagSection Tags;
+ string ServerSha1;
+ vector<DiffInfo> available_patches;
+
+ FileFd Fd(IndexDiffFile,FileFd::ReadOnly);
+ pkgTagFile TF(&Fd);
+ if (_error->PendingError() == true)
+ return false;
+
+ if(TF.Step(Tags) == true)
+ {
+ string local_sha1;
+ bool found = false;
+ DiffInfo d;
+ string size;
+
+ string tmp = Tags.FindS("SHA1-Current");
+ std::stringstream ss(tmp);
+ ss >> ServerSha1;
+
+ FileFd fd(CurrentPackagesFile, FileFd::ReadOnly);
+ SHA1Summation SHA1;
+ SHA1.AddFD(fd.Fd(), fd.Size());
+ local_sha1 = string(SHA1.Result());
+
+ if(local_sha1 == ServerSha1)
+ {
+ // we have the same sha1 as the server
+ if(Debug)
+ std::clog << "Package file is up-to-date" << std::endl;
+ // set found to true, this will queue a pkgAcqIndexDiffs with
+ // a empty availabe_patches
+ found = true;
+ }
+ else
+ {
+ if(Debug)
+ std::clog << "SHA1-Current: " << ServerSha1 << std::endl;
+
+ // check the historie and see what patches we need
+ string history = Tags.FindS("SHA1-History");
+ std::stringstream hist(history);
+ while(hist >> d.sha1 >> size >> d.file)
+ {
+ d.size = atoi(size.c_str());
+ // read until the first match is found
+ if(d.sha1 == local_sha1)
+ found=true;
+ // from that point on, we probably need all diffs
+ if(found)
+ {
+ if(Debug)
+ std::clog << "Need to get diff: " << d.file << std::endl;
+ available_patches.push_back(d);
+ }
+ }
+ }
+
+ // we have something, queue the next diff
+ if(found)
+ {
+ // queue the diffs
+ string::size_type 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);
+ Complete = false;
+ Status = StatDone;
+ Dequeue();
+ return true;
+ }
+ }
+
+ // Nothing found, report and return false
+ // Failing here is ok, if we return false later, the full
+ // IndexFile is queued
+ if(Debug)
+ std::clog << "Can't find a patch in the index file" << std::endl;
+ return false;
+}
+
+void pkgAcqDiffIndex::Failed(string Message,pkgAcquire::MethodConfig *Cnf)
+{
+ if(Debug)
+ std::clog << "pkgAcqDiffIndex failed: " << Desc.URI << std::endl
+ << "Falling back to normal index file aquire" << std::endl;
+
+ new pkgAcqIndex(Owner, RealURI, Description, Desc.ShortDesc,
+ ExpectedHash);
+
+ Complete = false;
+ Status = StatDone;
+ Dequeue();
+}
+
+void pkgAcqDiffIndex::Done(string Message,unsigned long Size,string Md5Hash,
+ pkgAcquire::MethodConfig *Cnf)
+{
+ if(Debug)
+ std::clog << "pkgAcqDiffIndex::Done(): " << Desc.URI << std::endl;
+
+ Item::Done(Message,Size,Md5Hash,Cnf);
+
+ string FinalFile;
+ FinalFile = _config->FindDir("Dir::State::lists")+URItoFileName(RealURI);
+
+ // sucess in downloading the index
+ // rename the index
+ FinalFile += string(".IndexDiff");
+ if(Debug)
+ std::clog << "Renaming: " << DestFile << " -> " << FinalFile
+ << std::endl;
+ Rename(DestFile,FinalFile);
+ chmod(FinalFile.c_str(),0644);
+ DestFile = FinalFile;
+
+ if(!ParseDiffIndex(DestFile))
+ return Failed("", NULL);
+
+ Complete = true;
+ Status = StatDone;
+ Dequeue();
+ return;
+}
+
+
+
+// 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,
+ vector<DiffInfo> diffs)
+ : Item(Owner), RealURI(URI), ExpectedHash(ExpectedHash),
+ available_patches(diffs)
+{
+
+ DestFile = _config->FindDir("Dir::State::lists") + "partial/";
+ DestFile += URItoFileName(URI);
+
+ Debug = _config->FindB("Debug::pkgAcquire::Diffs",false);
+
+ Description = URIDesc;
+ Desc.Owner = this;
+ Desc.ShortDesc = ShortDesc;
+
+ if(available_patches.size() == 0)
+ {
+ // we are done (yeah!)
+ Finish(true);
+ }
+ else
+ {
+ // get the next diff
+ State = StateFetchDiff;
+ QueueNextDiff();
+ }
+}
+
+
void pkgAcqIndexDiffs::Failed(string Message,pkgAcquire::MethodConfig *Cnf)
{
if(Debug)
- std::clog << "Failed(): " << Desc.URI << std::endl
- << "Falling back to big package file" << std::endl;
- new pkgAcqIndex(Owner, RealURI, Desc.Description,Desc.ShortDesc,
- ExpectedMD5);
+ std::clog << "pkgAcqIndexDiffs failed: " << Desc.URI << std::endl
+ << "Falling back to normal index file aquire" << std::endl;
+ new pkgAcqIndex(Owner, RealURI, Description,Desc.ShortDesc,
+ ExpectedHash);
Finish();
}
{
// we restore the original name, this is required, otherwise
// the file will be cleaned
- if(allDone) {
- // this is for the "real" finish
+ if(allDone)
+ {
DestFile = _config->FindDir("Dir::State::lists");
DestFile += URItoFileName(RealURI);
+
+ if(!ExpectedHash.empty() && !ExpectedHash.VerifyFile(DestFile))
+ {
+ Status = StatAuthError;
+ ErrorText = _("MD5Sum mismatch");
+ Rename(DestFile,DestFile + ".FAILED");
+ Dequeue();
+ return;
+ }
+
+ // this is for the "real" finish
Complete = true;
+ Status = StatDone;
Dequeue();
if(Debug)
std::clog << "\n\nallDone: " << DestFile << "\n" << std::endl;
return;
-
}
if(Debug)
}
-// this needs to be rewriten to not depend on the external ed
-bool pkgAcqIndexDiffs::ApplyDiff(string PatchFile)
+
+bool pkgAcqIndexDiffs::QueueNextDiff()
{
- char *error;
- int res=0;
+ // calc sha1 of the just patched file
string FinalFile = _config->FindDir("Dir::State::lists");
FinalFile += URItoFileName(RealURI);
- int Process = ExecFork();
- if (Process == 0)
+ FileFd fd(FinalFile, FileFd::ReadOnly);
+ SHA1Summation SHA1;
+ SHA1.AddFD(fd.Fd(), fd.Size());
+ string local_sha1 = string(SHA1.Result());
+ if(Debug)
+ std::clog << "QueueNextDiff: "
+ << FinalFile << " (" << local_sha1 << ")"<<std::endl;
+
+ // 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 &&
+ I != available_patches.end() &&
+ (*I).sha1 != local_sha1;
+ I++)
{
- chdir(_config->FindDir("Dir::State::lists").c_str());
- string cmd = "(zcat " + PatchFile + "; echo \"wq\" ) | red " + FinalFile + " >/dev/null 2>/dev/null";
- if(Debug)
- std::clog << "Runing: " << cmd << std::endl;
- res = system(cmd.c_str());
- _exit(WEXITSTATUS(res));
+ available_patches.erase(I);
}
- if(!ExecWait(Process, error, true)) {
- //_error->Error("Patch failed: %s ", error);
+
+ // error checking and falling back if no patch was found
+ if(available_patches.size() == 0)
+ {
+ Failed("", NULL);
return false;
}
- return true;
-}
-
-bool pkgAcqIndexDiffs::QueueNextDiff()
-{
- // FIXME: don't use the needed_files[0] but check sha1 and search
- // for the right patch in needed_files
- // -> and rename needed_files to "available_patches"
-
- // queue diff
- Desc.URI = string(RealURI) + string(".diff/") + needed_files[0].file + string(".gz");
- Desc.Description = needed_files[0].file + string(".pdiff");
-
+ // queue the right diff
+ Desc.URI = string(RealURI) + ".diff/" + available_patches[0].file + ".gz";
+ Desc.Description = Description + " " + available_patches[0].file + string(".pdiff");
DestFile = _config->FindDir("Dir::State::lists") + "partial/";
- DestFile += URItoFileName(RealURI + string(".diff/") + needed_files[0].file);
+ DestFile += URItoFileName(RealURI + ".diff/" + available_patches[0].file);
if(Debug)
std::clog << "pkgAcqIndexDiffs::QueueNextDiff(): " << Desc.URI << std::endl;
return true;
}
-bool pkgAcqIndexDiffs::ParseIndexDiff(string IndexDiffFile)
-{
- if(Debug)
- std::clog << "pkgAcqIndexDiffs::ParseIndexDiff() " << IndexDiffFile
- << std::endl;
-
- FileFd Fd(IndexDiffFile,FileFd::ReadOnly);
- pkgTagFile TF(&Fd);
- if (_error->PendingError() == true)
- return false;
- pkgTagSection Tags;
- if(TF.Step(Tags) == true)
- {
- string local_sha1;
- string tmp = Tags.FindS("SHA1-Current");
- std::stringstream ss(tmp);
- ss >> ServerSha1;
-
- FileFd fd(CurrentPackagesFile, FileFd::ReadOnly);
- SHA1Summation SHA1;
- SHA1.AddFD(fd.Fd(), fd.Size());
- local_sha1 = string(SHA1.Result());
-
- if(local_sha1 == ServerSha1) {
- if(Debug)
- std::clog << "Package file is up-to-date" << std::endl;
- Finish(true);
- return true;
- }
- if(Debug)
- std::clog << "SHA1-Current: " << ServerSha1 << std::endl;
-
- // check the historie and see what patches we need
- string history = Tags.FindS("SHA1-History");
- std::stringstream hist(history);
- DiffInfo d;
- string size;
- bool found = false;
- while(hist >> d.sha1 >> size >> d.file) {
- d.size = atoi(size.c_str());
- if(d.sha1 == local_sha1)
- found=true;
- if(found) {
- if(Debug)
- std::clog << "Need to get diff: " << d.file << std::endl;
- needed_files.push_back(d);
- }
- }
- // no information how to get the patches, bail out
- if(!found) {
- if(Debug)
- std::clog << "Can't find a patch in the index file" << std::endl;
- // Failed will queue a big package file
- Failed("", NULL);
- } else {
- // queue the diffs
- new pkgAcqIndexDiffs(Owner, RealURI, Description, Desc.ShortDesc,
- ExpectedMD5, needed_files);
- Finish();
- return true;
- }
- }
-
- return false;
-}
void pkgAcqIndexDiffs::Done(string Message,unsigned long Size,string Md5Hash,
Item::Done(Message,Size,Md5Hash,Cnf);
- int len = Desc.URI.size();
- // sucess in downloading the index
- if(Desc.URI.substr(len-strlen("Index"),len-1) == "Index") {
+ string FinalFile;
+ FinalFile = _config->FindDir("Dir::State::lists")+URItoFileName(RealURI);
+
+ // sucess in downloading a diff, enter ApplyDiff state
+ if(State == StateFetchDiff)
+ {
- // rename
- string FinalFile = _config->FindDir("Dir::State::lists");
- FinalFile += URItoFileName(RealURI) + string(".IndexDiff");
if(Debug)
- std::clog << "Renaming: " << DestFile << " -> " << FinalFile
- << std::endl;
- Rename(DestFile,FinalFile);
- chmod(FinalFile.c_str(),0644);
- DestFile = FinalFile;
+ std::clog << "Sending to gzip method: " << FinalFile << std::endl;
- if(!ParseIndexDiff(DestFile))
- return Failed("", NULL);
- else
- return Finish();
- }
+ 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
- if(Desc.URI.find(".diff") != string::npos) {
- ApplyDiff(DestFile);
- needed_files.erase(needed_files.begin());
+ // sucess in downloading a diff, enter ApplyDiff state
+ if(State == StateUnzipDiff)
+ {
- if(needed_files.size() > 0) {
- new pkgAcqIndexDiffs(Owner, RealURI, Description, Desc.ShortDesc,
- ExpectedMD5, needed_files);
- } else {
- Finish(true);
- return;
+ // rred excepts the patch as $FinalFile.ed
+ Rename(DestFile,FinalFile+".ed");
+
+ if(Debug)
+ std::clog << "Sending to rred method: " << FinalFile << std::endl;
+
+ State = StateApplyDiff;
+ Local = true;
+ Desc.URI = "rred:" + FinalFile;
+ QueueURI(Desc);
+ Mode = "rred";
+ return;
+ }
+
+
+ // success in download/apply a diff, queue next (if needed)
+ if(State == StateApplyDiff)
+ {
+ // remove the just applied patch
+ available_patches.erase(available_patches.begin());
+
+ // move into place
+ if(Debug)
+ {
+ std::clog << "Moving patched file in place: " << std::endl
+ << DestFile << " -> " << FinalFile << std::endl;
}
- }
+ Rename(DestFile,FinalFile);
+ chmod(FinalFile.c_str(),0644);
- Finish();
+ // see if there is more to download
+ if(available_patches.size() > 0) {
+ new pkgAcqIndexDiffs(Owner, RealURI, Description, Desc.ShortDesc,
+ ExpectedHash, available_patches);
+ return Finish();
+ } else
+ return Finish(true);
+ }
}
instantiated to fetch the revision file */
pkgAcqIndex::pkgAcqIndex(pkgAcquire *Owner,
string URI,string URIDesc,string ShortDesc,
- string ExpectedMD5, string comprExt)
- : Item(Owner), RealURI(URI), ExpectedMD5(ExpectedMD5)
+ HashString ExpectedHash, string comprExt)
+ : Item(Owner), RealURI(URI), ExpectedHash(ExpectedHash)
{
Decompression = false;
Erase = false;
-
+
DestFile = _config->FindDir("Dir::State::lists") + "partial/";
DestFile += URItoFileName(URI);
if(comprExt.empty())
{
- // autoselect
- if(FileExists("/usr/bin/bzip2"))
- Desc.URI = URI + ".bz2";
- else
- Desc.URI = URI + ".gz";
+ // autoselect the compression method
+ if(FileExists("/bin/bzip2"))
+ CompressionExtension = ".bz2";
+ else
+ CompressionExtension = ".gz";
} else {
- Desc.URI = URI + comprExt;
+ CompressionExtension = comprExt;
}
+ Desc.URI = URI + CompressionExtension;
Desc.Description = URIDesc;
Desc.Owner = this;
void pkgAcqIndex::Failed(string Message,pkgAcquire::MethodConfig *Cnf)
{
// no .bz2 found, retry with .gz
- if(Desc.URI.substr(Desc.URI.size()-3,Desc.URI.size()-1) == "bz2") {
+ if(Desc.URI.substr(Desc.URI.size()-3) == "bz2") {
Desc.URI = Desc.URI.substr(0,Desc.URI.size()-3) + "gz";
// retry with a gzip one
new pkgAcqIndex(Owner, RealURI, Desc.Description,Desc.ShortDesc,
- ExpectedMD5, string(".gz"));
+ ExpectedHash, string(".gz"));
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/";
+ s += URItoFileName(RealURI);
+ unlink(s.c_str());
}
-
Item::Failed(Message,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 Size,string MD5,
+void pkgAcqIndex::Done(string Message,unsigned long Size,string Hash,
pkgAcquire::MethodConfig *Cfg)
{
- Item::Done(Message,Size,MD5,Cfg);
+ Item::Done(Message,Size,Hash,Cfg);
if (Decompression == true)
{
if (_config->FindB("Debug::pkgAcquire::Auth", false))
{
- std::cerr << std::endl << RealURI << ": Computed MD5: " << MD5;
- std::cerr << " Expected MD5: " << ExpectedMD5 << std::endl;
+ std::cerr << std::endl << RealURI << ": Computed Hash: " << Hash;
+ std::cerr << " Expected Hash: " << ExpectedHash.toStr() << std::endl;
}
- if (MD5.empty())
- {
- MD5Summation sum;
- FileFd Fd(DestFile, FileFd::ReadOnly);
- sum.AddFD(Fd.Fd(), Fd.Size());
- Fd.Close();
- MD5 = (string)sum.Result();
- }
-
- if (!ExpectedMD5.empty() && MD5 != ExpectedMD5)
+ if (!ExpectedHash.empty() && ExpectedHash.toStr() != Hash)
{
Status = StatAuthError;
- ErrorText = _("MD5Sum mismatch");
+ ErrorText = _("Hash Sum mismatch");
Rename(DestFile,DestFile + ".FAILED");
return;
}
// The files timestamp matches
if (StringToBool(LookupTag(Message,"Alt-IMS-Hit"),false) == true)
return;
-
Decompression = true;
Local = true;
DestFile += ".decomp";
// 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,Desc.URI.size()-1);
- char *decompProg;
+ string compExt = Desc.URI.substr(Desc.URI.size()-3);
+ const char *decompProg;
if(compExt == "bz2")
decompProg = "bzip2";
else if(compExt == ".gz")
Mode = decompProg;
}
+// AcqIndexTrans::pkgAcqIndexTrans - Constructor /*{{{*/
+// ---------------------------------------------------------------------
+/* The Translation file is added to the queue */
+pkgAcqIndexTrans::pkgAcqIndexTrans(pkgAcquire *Owner,
+ string URI,string URIDesc,string ShortDesc)
+ : pkgAcqIndex(Owner, URI, URIDesc, ShortDesc, HashString(), "")
+{
+}
+
+ /*}}}*/
+// AcqIndexTrans::Failed - Silence failure messages for missing files /*{{{*/
+// ---------------------------------------------------------------------
+/* */
+void pkgAcqIndexTrans::Failed(string Message,pkgAcquire::MethodConfig *Cnf)
+{
+ if (Cnf->LocalOnly == true ||
+ StringToBool(LookupTag(Message,"Transient-Failure"),false) == false)
+ {
+ // Ignore this
+ Status = StatDone;
+ Complete = false;
+ Dequeue();
+ return;
+ }
+
+ Item::Failed(Message,Cnf);
+}
+ /*}}}*/
+
pkgAcqMetaSig::pkgAcqMetaSig(pkgAcquire *Owner,
string URI,string URIDesc,string ShortDesc,
string MetaIndexURI, string MetaIndexURIDesc,
const vector<IndexTarget*>* IndexTargets,
indexRecords* MetaIndexParser) :
Item(Owner), RealURI(URI), MetaIndexURI(MetaIndexURI),
- MetaIndexURIDesc(MetaIndexURIDesc), MetaIndexShortDesc(MetaIndexShortDesc)
+ MetaIndexURIDesc(MetaIndexURIDesc), MetaIndexShortDesc(MetaIndexShortDesc),
+ MetaIndexParser(MetaIndexParser), IndexTargets(IndexTargets)
{
- this->MetaIndexParser = MetaIndexParser;
- this->IndexTargets = IndexTargets;
DestFile = _config->FindDir("Dir::State::lists") + "partial/";
DestFile += URItoFileName(URI);
- // remove any partial downloaded sig-file. it may confuse proxies
- // and is too small to warrant a partial download anyway
+ // remove any partial downloaded sig-file in partial/.
+ // it may confuse proxies and is too small to warrant a
+ // partial download anyway
unlink(DestFile.c_str());
// Create the item
/*}}}*/
void pkgAcqMetaSig::Failed(string Message,pkgAcquire::MethodConfig *Cnf)
{
- // Delete any existing sigfile, so that this source isn't
- // mistakenly trusted
string Final = _config->FindDir("Dir::State::lists") + URItoFileName(RealURI);
+
+ // if we get a network error we fail gracefully
+ if(Status == StatTransientNetworkError)
+ {
+ Item::Failed(Message,Cnf);
+ // move the sigfile back on transient network failures
+ if(FileExists(DestFile))
+ Rename(DestFile,Final);
+
+ // set the status back to , Item::Failed likes to reset it
+ Status = pkgAcquire::Item::StatTransientNetworkError;
+ return;
+ }
+
+ // Delete any existing sigfile when the acquire failed
unlink(Final.c_str());
// queue a pkgAcqMetaIndex with no sigfile
string SigFile,
const vector<struct IndexTarget*>* IndexTargets,
indexRecords* MetaIndexParser) :
- Item(Owner), RealURI(URI), SigFile(SigFile)
+ Item(Owner), RealURI(URI), SigFile(SigFile), IndexTargets(IndexTargets),
+ MetaIndexParser(MetaIndexParser), AuthPass(false), IMSHit(false)
{
- this->AuthPass = false;
- this->MetaIndexParser = MetaIndexParser;
- this->IndexTargets = IndexTargets;
DestFile = _config->FindDir("Dir::State::lists") + "partial/";
DestFile += URItoFileName(URI);
return "\nIndex-File: true\nLast-Modified: " + TimeRFC1123(Buf.st_mtime);
}
-void pkgAcqMetaIndex::Done(string Message,unsigned long Size,string MD5,
+void pkgAcqMetaIndex::Done(string Message,unsigned long Size,string Hash,
pkgAcquire::MethodConfig *Cfg)
{
- Item::Done(Message,Size,MD5,Cfg);
+ Item::Done(Message,Size,Hash,Cfg);
// MetaIndexes are done in two passes: one to download the
// metaindex with an appropriate method, and a second to verify it
return;
}
+ // see if the download was a IMSHit
+ IMSHit = StringToBool(LookupTag(Message,"IMS-Hit"),false);
Complete = true;
string FinalFile = _config->FindDir("Dir::State::lists");
FinalFile += URItoFileName(RealURI);
- // The files timestamp matches
- if (StringToBool(LookupTag(Message,"IMS-Hit"),false) == false)
- {
- // Move it into position
+ // If we get a IMS hit we can remove the empty file in partial
+ // othersie we move the file in place
+ if (IMSHit)
+ unlink(DestFile.c_str());
+ else
Rename(DestFile,FinalFile);
- }
+
+ chmod(FinalFile.c_str(),0644);
DestFile = FinalFile;
}
return;
}
- if (!VerifyVendor())
+ if (!VerifyVendor(Message))
{
return;
}
Target != IndexTargets->end();
Target++)
{
- string ExpectedIndexMD5;
+ HashString ExpectedIndexHash;
if (verify)
{
const indexRecords::checkSum *Record = MetaIndexParser->Lookup((*Target)->MetaKey);
+ (*Target)->MetaKey + " in Meta-index file (malformed Release file?)";
return;
}
- ExpectedIndexMD5 = Record->MD5Hash;
+ ExpectedIndexHash = Record->Hash;
if (_config->FindB("Debug::pkgAcquire::Auth", false))
{
std::cerr << "Queueing: " << (*Target)->URI << std::endl;
- std::cerr << "Expected MD5: " << ExpectedIndexMD5 << std::endl;
+ std::cerr << "Expected Hash: " << ExpectedIndexHash.toStr() << std::endl;
}
- if (ExpectedIndexMD5.empty())
+ if (ExpectedIndexHash.empty())
{
Status = StatAuthError;
- ErrorText = "Unable to find MD5 sum for "
+ ErrorText = "Unable to find hash sum for "
+ (*Target)->MetaKey + " in Meta-index file";
return;
}
}
- // Queue Packages file
- new pkgAcqIndexDiffs(Owner, (*Target)->URI, (*Target)->Description,
- (*Target)->ShortDesc, ExpectedIndexMD5);
+ // Queue Packages file (either diff or full packages files, depending
+ // on the users option)
+ if(_config->FindB("Acquire::PDiffs",true) == true)
+ new pkgAcqDiffIndex(Owner, (*Target)->URI, (*Target)->Description,
+ (*Target)->ShortDesc, ExpectedIndexHash);
+ else
+ new pkgAcqIndex(Owner, (*Target)->URI, (*Target)->Description,
+ (*Target)->ShortDesc, ExpectedIndexHash);
}
}
-bool pkgAcqMetaIndex::VerifyVendor()
+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?
// break;
// }
// }
+ string::size_type pos;
+
+ // check for missing sigs (that where not fatal because otherwise we had
+ // bombed earlier)
+ string missingkeys;
+ string msg = _("There is no public key available for the "
+ "following key IDs:\n");
+ pos = Message.find("NO_PUBKEY ");
+ if (pos != std::string::npos)
+ {
+ string::size_type start = pos+strlen("NO_PUBKEY ");
+ string Fingerprint = Message.substr(start, Message.find("\n")-start);
+ missingkeys += (Fingerprint);
+ }
+ if(!missingkeys.empty())
+ _error->Warning("%s", string(msg+missingkeys).c_str());
string Transformed = MetaIndexParser->GetExpectedDist();
Transformed = "experimental";
}
- string::size_type pos = Transformed.rfind('/');
+ pos = Transformed.rfind('/');
if (pos != string::npos)
{
Transformed = Transformed.substr(0, pos);
{
if (AuthPass == true)
{
- // gpgv method failed
+ // if we fail the authentication but got the file via a IMS-Hit
+ // this means that the file wasn't downloaded and that it might be
+ // just stale (server problem, proxy etc). we delete what we have
+ // queue it again without i-m-s
+ // alternatively we could just unlink the file and let the user try again
+ if (IMSHit)
+ {
+ Complete = false;
+ Local = false;
+ AuthPass = false;
+ unlink(DestFile.c_str());
+
+ DestFile = _config->FindDir("Dir::State::lists") + "partial/";
+ DestFile += URItoFileName(RealURI);
+ Desc.URI = RealURI;
+ QueueURI(Desc);
+ return;
+ }
+
+ // gpgv method failed
_error->Warning("GPG error: %s: %s",
Desc.Description.c_str(),
LookupTag(Message,"Message").c_str());
+
}
// No Release file was present, or verification failed, so fall
}
}
+ // "allow-unauthenticated" restores apts old fetching behaviour
+ // that means that e.g. unauthenticated file:// uris are higher
+ // priority than authenticated http:// uris
+ if (_config->FindB("APT::Get::AllowUnauthenticated",false) == true)
+ Trusted = false;
+
// Select a source
if (QueueNext() == false && _error->PendingError() == false)
_error->Error(_("I wasn't able to locate file for the %s package. "
return false;
string PkgFile = Parse.FileName();
- MD5 = Parse.MD5Hash();
+ if(Parse.SHA256Hash() != "")
+ ExpectedHash = HashString("SHA256", Parse.SHA256Hash());
+ else if (Parse.SHA1Hash() != "")
+ ExpectedHash = HashString("SHA1", Parse.SHA1Hash());
+ 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::Done - Finished fetching /*{{{*/
// ---------------------------------------------------------------------
/* */
-void pkgAcqArchive::Done(string Message,unsigned long Size,string Md5Hash,
+void pkgAcqArchive::Done(string Message,unsigned long Size,string CalcHash,
pkgAcquire::MethodConfig *Cfg)
{
- Item::Done(Message,Size,Md5Hash,Cfg);
+ Item::Done(Message,Size,CalcHash,Cfg);
// Check the size
if (Size != Version->Size)
return;
}
- // Check the md5
- if (Md5Hash.empty() == false && MD5.empty() == false)
+ // Check the hash
+ if(ExpectedHash.toStr() != CalcHash)
{
- if (Md5Hash != MD5)
- {
- Status = StatError;
- ErrorText = _("MD5Sum mismatch");
+ Status = StatError;
+ ErrorText = _("Hash Sum mismatch");
+ if(FileExists(DestFile))
Rename(DestFile,DestFile + ".FAILED");
- return;
- }
+ return;
}
// Grab the output filename
// AcqFile::pkgAcqFile - Constructor /*{{{*/
// ---------------------------------------------------------------------
/* The file is added to the queue */
-pkgAcqFile::pkgAcqFile(pkgAcquire *Owner,string URI,string MD5,
- unsigned long Size,string Dsc,string ShortDesc) :
- Item(Owner), Md5Hash(MD5)
+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)
{
Retries = _config->FindI("Acquire::Retries",0);
- DestFile = flNotDir(URI);
-
+ if(!DestFilename.empty())
+ DestFile = DestFilename;
+ else if(!DestDir.empty())
+ DestFile = DestDir + "/" + flNotDir(URI);
+ else
+ DestFile = flNotDir(URI);
+
// Create the item
Desc.URI = URI;
Desc.Description = Dsc;
else
PartialSize = Buf.st_size;
}
-
+
QueueURI(Desc);
}
/*}}}*/
// AcqFile::Done - Item downloaded OK /*{{{*/
// ---------------------------------------------------------------------
/* */
-void pkgAcqFile::Done(string Message,unsigned long Size,string MD5,
+void pkgAcqFile::Done(string Message,unsigned long Size,string CalcHash,
pkgAcquire::MethodConfig *Cnf)
{
- // Check the md5
- if (Md5Hash.empty() == false && MD5.empty() == false)
+ Item::Done(Message,Size,CalcHash,Cnf);
+
+ // Check the hash
+ if(!ExpectedHash.empty() && ExpectedHash.toStr() != CalcHash)
{
- if (Md5Hash != MD5)
- {
- Status = StatError;
- ErrorText = "MD5Sum mismatch";
- Rename(DestFile,DestFile + ".FAILED");
- return;
- }
+ Status = StatError;
+ ErrorText = "Hash Sum mismatch";
+ Rename(DestFile,DestFile + ".FAILED");
+ return;
}
- Item::Done(Message,Size,MD5,Cnf);
-
string FileName = LookupTag(Message,"Filename");
if (FileName.empty() == true)
{