// -*- mode: cpp; mode: fold -*-
// Description /*{{{*/
-// $Id: acquire-item.cc,v 1.24 1999/02/19 07:56:06 jgg Exp $
+// $Id: acquire-item.cc,v 1.46.2.9 2004/01/16 18:51:11 mdz Exp $
/* ######################################################################
Acquire Item - Item to acquire
#endif
#include <apt-pkg/acquire-item.h>
#include <apt-pkg/configuration.h>
+#include <apt-pkg/sourcelist.h>
+#include <apt-pkg/vendorlist.h>
#include <apt-pkg/error.h>
#include <apt-pkg/strutl.h>
+#include <apt-pkg/fileutl.h>
+#include <apt-pkg/md5.h>
+#include <apt-pkg/sha1.h>
+#include <apt-pkg/tagfile.h>
+#include <apti18n.h>
+
#include <sys/stat.h>
#include <unistd.h>
#include <errno.h>
-#include <string.h>
+#include <string>
+#include <sstream>
#include <stdio.h>
/*}}}*/
+using namespace std;
+
// Acquire::Item::Item - Constructor /*{{{*/
// ---------------------------------------------------------------------
/* */
pkgAcquire::Item::Item(pkgAcquire *Owner) : Owner(Owner), FileSize(0),
- Mode(0), ID(0), Complete(false), Local(false),
- QueueCounter(0)
+ PartialSize(0), Mode(0), ID(0), Complete(false),
+ Local(false), QueueCounter(0)
{
Owner->Add(this);
Status = StatIdle;
// ---------------------------------------------------------------------
/* 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 Size)
{
Status = StatFetching;
if (FileSize == 0 && Complete == false)
// 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,
+ pkgAcquire::MethodConfig *Cnf)
{
// We just downloaded something..
string FileName = LookupTag(Message,"Filename");
if (Owner->Log != 0)
Owner->Log->Fetched(Size,atoi(LookupTag(Message,"Resume-Point","0").c_str()));
}
+
+ if (FileSize == 0)
+ FileSize= Size;
Status = StatDone;
ErrorText = string();
if (rename(From.c_str(),To.c_str()) != 0)
{
char S[300];
- sprintf(S,"rename failed, %s (%s -> %s).",strerror(errno),
+ snprintf(S,sizeof(S),_("rename failed, %s (%s -> %s)."),strerror(errno),
From.c_str(),To.c_str());
Status = StatError;
ErrorText = S;
- }
+ }
}
/*}}}*/
+
+// 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
+ * patches. If anything goes wrong in that process, it will fall back to
+ * the original packages file
+ */
+pkgAcqDiffIndex::pkgAcqDiffIndex(pkgAcquire *Owner,
+ string URI,string URIDesc,string ShortDesc,
+ string ExpectedMD5)
+ : Item(Owner), RealURI(URI), ExpectedMD5(ExpectedMD5), Description(URIDesc)
+{
+
+ Debug = _config->FindB("Debug::pkgAcquire::Diffs",false);
+
+ 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(!FileExists(CurrentPackagesFile) ||
+ !_config->FindB("Acquire::Diffs",true)) {
+ // 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;
+ Failed("", NULL);
+ return;
+ }
+
+ 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 pkgAcqDiffIndex::Custom600Headers()
+{
+ string Final = _config->FindDir("Dir::State::lists");
+ Final += URItoFileName(RealURI) + string(".IndexDiff");
+
+ if(Debug)
+ std::clog << "Custom600Header-IMS: " << Final << std::endl;
+
+ struct stat Buf;
+ if (stat(Final.c_str(),&Buf) != 0)
+ return "\nIndex-File: true";
+
+ 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) {
+ 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);
+ }
+ }
+ }
+
+ // 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, available_patches);
+ Complete = false;
+ Status = StatDone;
+ Dequeue();
+ return true;
+ }
+ }
+
+ 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,
+ ExpectedMD5);
+
+ 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,
+ string ExpectedMD5, vector<DiffInfo> diffs)
+ : Item(Owner), RealURI(URI), ExpectedMD5(ExpectedMD5),
+ available_patches(diffs)
+{
+
+ DestFile = _config->FindDir("Dir::State::lists") + "partial/";
+ DestFile += URItoFileName(URI);
+
+ Debug = _config->FindB("Debug::pkgAcquire::Diffs",false);
+
+ Desc.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 << "pkgAcqIndexDiffs failed: " << Desc.URI << std::endl
+ << "Falling back to normal index file aquire" << std::endl;
+ new pkgAcqIndex(Owner, RealURI, Description,Desc.ShortDesc,
+ ExpectedMD5);
+ 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
+ // the file will be cleaned
+ if(allDone) {
+ DestFile = _config->FindDir("Dir::State::lists");
+ DestFile += URItoFileName(RealURI);
+
+ // do the final md5sum checking
+ MD5Summation sum;
+ FileFd Fd(DestFile, FileFd::ReadOnly);
+ sum.AddFD(Fd.Fd(), Fd.Size());
+ Fd.Close();
+ string MD5 = (string)sum.Result();
+
+ if (!ExpectedMD5.empty() && MD5 != ExpectedMD5)
+ {
+ 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)
+ std::clog << "Finishing: " << Desc.URI << std::endl;
+ Complete = false;
+ Status = StatDone;
+ Dequeue();
+ return;
+}
+
+
+
+bool pkgAcqIndexDiffs::QueueNextDiff()
+{
+
+ // calc sha1 of the just patched file
+ string FinalFile = _config->FindDir("Dir::State::lists");
+ FinalFile += URItoFileName(RealURI);
+
+ 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++) {
+ available_patches.erase(I);
+ }
+
+ // error checking and falling back if no patch was found
+ if(available_patches.size() == 0) {
+ Failed("", NULL);
+ return false;
+ }
+
+ // queue the right diff
+ Desc.URI = string(RealURI) + ".diff/" + available_patches[0].file + ".gz";
+ Desc.Description = available_patches[0].file + string(".pdiff");
+
+ DestFile = _config->FindDir("Dir::State::lists") + "partial/";
+ DestFile += URItoFileName(RealURI + ".diff/" + available_patches[0].file);
+
+ if(Debug)
+ std::clog << "pkgAcqIndexDiffs::QueueNextDiff(): " << Desc.URI << std::endl;
+
+ QueueURI(Desc);
+
+ return true;
+}
+
+
+
+void pkgAcqIndexDiffs::Done(string Message,unsigned long Size,string Md5Hash,
+ pkgAcquire::MethodConfig *Cnf)
+{
+ if(Debug)
+ std::clog << "pkgAcqIndexDiffs::Done(): " << Desc.URI << std::endl;
+
+ Item::Done(Message,Size,Md5Hash,Cnf);
+
+ string FinalFile;
+ 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;
+ Desc.URI = "gzip:" + FileName;
+ DestFile += ".decomp";
+ QueueURI(Desc);
+ Mode = "gzip";
+ return;
+ }
+
+ // sucess in downloading a diff, enter ApplyDiff state
+ if(State == StateUnzipDiff)
+ {
+
+ // rred excepts the patch as $FinalFile.ed
+ Rename(DestFile,FinalFile+".ed");
+
+ if(Debug)
+ std::clog << "Sending to rred method: " << FinalFile << std::endl;
+
+ State = StateApplyDiff;
+ 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);
+
+ // see if there is more to download
+ if(available_patches.size() > 0) {
+ new pkgAcqIndexDiffs(Owner, RealURI, Description, Desc.ShortDesc,
+ ExpectedMD5, available_patches);
+ return Finish();
+ } else
+ return Finish(true);
+ }
+}
+
+
// AcqIndex::AcqIndex - Constructor /*{{{*/
// ---------------------------------------------------------------------
/* The package file is added to the queue and a second class is
- instantiated to fetch the revision file */
-pkgAcqIndex::pkgAcqIndex(pkgAcquire *Owner,const pkgSourceList::Item *Location) :
- Item(Owner), Location(Location)
+ 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)
{
Decompression = false;
Erase = false;
-
+
DestFile = _config->FindDir("Dir::State::lists") + "partial/";
- DestFile += URItoFileName(Location->PackagesURI());
+ DestFile += URItoFileName(URI);
- // Create the item
- Desc.URI = Location->PackagesURI() + ".gz";
- Desc.Description = Location->PackagesInfo();
- Desc.Owner = this;
+ if(comprExt.empty())
+ {
+ // autoselect the compression method
+ if(FileExists("/usr/bin/bzip2"))
+ CompressionExtension = ".bz2";
+ else
+ CompressionExtension = ".gz";
+ } else {
+ CompressionExtension = comprExt;
+ }
+ Desc.URI = URI + CompressionExtension;
- // Set the short description to the archive component
- if (Location->Dist[Location->Dist.size() - 1] == '/')
- Desc.ShortDesc = Location->Dist;
- else
- Desc.ShortDesc = Location->Dist + '/' + Location->Section;
+ Desc.Description = URIDesc;
+ Desc.Owner = this;
+ Desc.ShortDesc = ShortDesc;
QueueURI(Desc);
-
- // Create the Release fetch class
- new pkgAcqIndexRel(Owner,Location);
}
/*}}}*/
// AcqIndex::Custom600Headers - Insert custom request headers /*{{{*/
string pkgAcqIndex::Custom600Headers()
{
string Final = _config->FindDir("Dir::State::lists");
- Final += URItoFileName(Location->PackagesURI());
+ Final += URItoFileName(RealURI);
struct stat Buf;
if (stat(Final.c_str(),&Buf) != 0)
return "\nIndex-File: true\nLast-Modified: " + TimeRFC1123(Buf.st_mtime);
}
/*}}}*/
+
+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") {
+ 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"));
+ Status = StatDone;
+ Complete = false;
+ Dequeue();
+ return;
+ }
+
+
+ Item::Failed(Message,Cnf);
+}
+
+
// AcqIndex::Done - Finished a fetch /*{{{*/
// ---------------------------------------------------------------------
/* This goes through a number of states.. On the initial fetch the
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 MD5,
+ pkgAcquire::MethodConfig *Cfg)
{
- Item::Done(Message,Size,MD5);
+ Item::Done(Message,Size,MD5,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;
+ }
+
+ 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)
+ {
+ Status = StatAuthError;
+ ErrorText = _("MD5Sum mismatch");
+ Rename(DestFile,DestFile + ".FAILED");
+ return;
+ }
// Done, move it into position
string FinalFile = _config->FindDir("Dir::State::lists");
- FinalFile += URItoFileName(Location->PackagesURI());
+ 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/";
- DestFile += URItoFileName(Location->PackagesURI());
+ DestFile += URItoFileName(RealURI);
// Remove the compressed version.
if (Erase == true)
// The files timestamp matches
if (StringToBool(LookupTag(Message,"Alt-IMS-Hit"),false) == true)
return;
-
+
Decompression = true;
Local = true;
DestFile += ".decomp";
else
Local = true;
+ string compExt = Desc.URI.substr(Desc.URI.size()-3,Desc.URI.size()-1);
+ char *decompProg;
+ if(compExt == "bz2")
+ decompProg = "bzip2";
+ else if(compExt == ".gz")
+ decompProg = "gzip";
+ else {
+ _error->Error("Unsupported extension: %s", compExt.c_str());
+ return;
+ }
+
Decompression = true;
DestFile += ".decomp";
- Desc.URI = "gzip:" + FileName,Location->PackagesInfo();
+ Desc.URI = string(decompProg) + ":" + FileName;
QueueURI(Desc);
- Mode = "gzip";
+ 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, "", "")
+{
+}
+
/*}}}*/
-// AcqIndex::Describe - Describe the Item /*{{{*/
+// AcqIndexTrans::Failed - Silence failure messages for missing files /*{{{*/
// ---------------------------------------------------------------------
/* */
-string pkgAcqIndex::Describe()
+void pkgAcqIndexTrans::Failed(string Message,pkgAcquire::MethodConfig *Cnf)
{
- return Location->PackagesURI();
+ if (Cnf->LocalOnly == true ||
+ StringToBool(LookupTag(Message,"Transient-Failure"),false) == false)
+ {
+ // Ignore this
+ Status = StatDone;
+ Complete = false;
+ Dequeue();
+ return;
+ }
+
+ Item::Failed(Message,Cnf);
}
/*}}}*/
-// AcqIndexRel::pkgAcqIndexRel - Constructor /*{{{*/
-// ---------------------------------------------------------------------
-/* The Release file is added to the queue */
-pkgAcqIndexRel::pkgAcqIndexRel(pkgAcquire *Owner,
- const pkgSourceList::Item *Location) :
- Item(Owner), Location(Location)
+pkgAcqMetaSig::pkgAcqMetaSig(pkgAcquire *Owner,
+ string URI,string URIDesc,string ShortDesc,
+ string MetaIndexURI, string MetaIndexURIDesc,
+ string MetaIndexShortDesc,
+ const vector<IndexTarget*>* IndexTargets,
+ indexRecords* MetaIndexParser) :
+ Item(Owner), RealURI(URI), MetaIndexURI(MetaIndexURI),
+ MetaIndexURIDesc(MetaIndexURIDesc), MetaIndexShortDesc(MetaIndexShortDesc)
{
+ this->MetaIndexParser = MetaIndexParser;
+ this->IndexTargets = IndexTargets;
DestFile = _config->FindDir("Dir::State::lists") + "partial/";
- DestFile += URItoFileName(Location->ReleaseURI());
+ DestFile += URItoFileName(URI);
+
+ // remove any partial downloaded sig-file. it may confuse proxies
+ // and is too small to warrant a partial download anyway
+ unlink(DestFile.c_str());
+
+ // Create the item
+ Desc.Description = URIDesc;
+ 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);
+ // unlink the file and do not try to use I-M-S and Last-Modified
+ // if the users proxy is broken
+ if(_config->FindB("Acquire::BrokenProxy", false) == true) {
+ std::cerr << "forcing re-get of the signature file as requested" << std::endl;
+ unlink(DestFile.c_str());
+ }
+ }
+
+ QueueURI(Desc);
+}
+ /*}}}*/
+// pkgAcqMetaSig::Custom600Headers - Insert custom request headers /*{{{*/
+// ---------------------------------------------------------------------
+/* The only header we use is the last-modified header. */
+string pkgAcqMetaSig::Custom600Headers()
+{
+ struct stat Buf;
+ if (stat(DestFile.c_str(),&Buf) != 0)
+ return "\nIndex-File: true";
+
+ return "\nIndex-File: true\nLast-Modified: " + TimeRFC1123(Buf.st_mtime);
+}
+
+void pkgAcqMetaSig::Done(string Message,unsigned long Size,string MD5,
+ pkgAcquire::MethodConfig *Cfg)
+{
+ Item::Done(Message,Size,MD5,Cfg);
+
+ string FileName = LookupTag(Message,"Filename");
+ if (FileName.empty() == true)
+ {
+ Status = StatError;
+ ErrorText = "Method gave a blank filename";
+ return;
+ }
+
+ if (FileName != DestFile)
+ {
+ // We have to copy it into place
+ Local = true;
+ Desc.URI = "copy:" + FileName;
+ QueueURI(Desc);
+ return;
+ }
+
+ Complete = true;
+
+ // 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)
+{
+ // Delete any existing sigfile, so that this source isn't
+ // mistakenly trusted
+ string Final = _config->FindDir("Dir::State::lists") + URItoFileName(RealURI);
+ unlink(Final.c_str());
+
+ // if we get a timeout if fail
+ if(LookupTag(Message,"FailReason") == "Timeout" ||
+ LookupTag(Message,"FailReason") == "TmpResolveFailure") {
+ Item::Failed(Message,Cnf);
+ return;
+ }
+
+ // queue a pkgAcqMetaIndex with no sigfile
+ new pkgAcqMetaIndex(Owner, MetaIndexURI, MetaIndexURIDesc, MetaIndexShortDesc,
+ "", IndexTargets, MetaIndexParser);
+
+ if (Cnf->LocalOnly == true ||
+ StringToBool(LookupTag(Message,"Transient-Failure"),false) == false)
+ {
+ // Ignore this
+ Status = StatDone;
+ Complete = false;
+ Dequeue();
+ return;
+ }
+
+ Item::Failed(Message,Cnf);
+}
+
+pkgAcqMetaIndex::pkgAcqMetaIndex(pkgAcquire *Owner,
+ string URI,string URIDesc,string ShortDesc,
+ string SigFile,
+ const vector<struct IndexTarget*>* IndexTargets,
+ indexRecords* MetaIndexParser) :
+ Item(Owner), RealURI(URI), SigFile(SigFile)
+{
+ this->AuthPass = false;
+ this->MetaIndexParser = MetaIndexParser;
+ this->IndexTargets = IndexTargets;
+ DestFile = _config->FindDir("Dir::State::lists") + "partial/";
+ DestFile += URItoFileName(URI);
+
// Create the item
- Desc.URI = Location->ReleaseURI();
- Desc.Description = Location->ReleaseInfo();
+ Desc.Description = URIDesc;
Desc.Owner = this;
+ Desc.ShortDesc = ShortDesc;
+ Desc.URI = URI;
- // Set the short description to the archive component
- if (Location->Dist[Location->Dist.size() - 1] == '/')
- Desc.ShortDesc = Location->Dist;
- else
- Desc.ShortDesc = Location->Dist + '/' + Location->Section;
-
QueueURI(Desc);
}
+
/*}}}*/
-// AcqIndexRel::Custom600Headers - Insert custom request headers /*{{{*/
+// pkgAcqMetaIndex::Custom600Headers - Insert custom request headers /*{{{*/
// ---------------------------------------------------------------------
/* The only header we use is the last-modified header. */
-string pkgAcqIndexRel::Custom600Headers()
+string pkgAcqMetaIndex::Custom600Headers()
{
string Final = _config->FindDir("Dir::State::lists");
- Final += URItoFileName(Location->ReleaseURI());
+ Final += URItoFileName(RealURI);
struct stat Buf;
if (stat(Final.c_str(),&Buf) != 0)
return "\nIndex-File: true\nLast-Modified: " + TimeRFC1123(Buf.st_mtime);
}
- /*}}}*/
-// AcqIndexRel::Done - Item downloaded OK /*{{{*/
-// ---------------------------------------------------------------------
-/* The release file was not placed into the download directory then
- a copy URI is generated and it is copied there otherwise the file
- in the partial directory is moved into .. and the URI is finished. */
-void pkgAcqIndexRel::Done(string Message,unsigned long Size,string MD5)
+
+void pkgAcqMetaIndex::Done(string Message,unsigned long Size,string MD5,
+ pkgAcquire::MethodConfig *Cfg)
+{
+ Item::Done(Message,Size,MD5,Cfg);
+
+ // MetaIndexes are done in two passes: one to download the
+ // metaindex with an appropriate method, and a second to verify it
+ // with the gpgv method
+
+ if (AuthPass == true)
+ {
+ AuthDone(Message);
+ }
+ else
+ {
+ RetrievalDone(Message);
+ if (!Complete)
+ // Still more retrieving to do
+ return;
+
+ if (SigFile == "")
+ {
+ // There was no signature file, so we are finished. Download
+ // the indexes without verification.
+ QueueIndexes(false);
+ }
+ else
+ {
+ // 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";
+ AuthPass = true;
+ Desc.URI = "gpgv:" + SigFile;
+ QueueURI(Desc);
+ Mode = "gpgv";
+ }
+ }
+}
+
+void pkgAcqMetaIndex::RetrievalDone(string Message)
{
- Item::Done(Message,Size,MD5);
+ // We have just finished downloading a Release file (it is not
+ // verified yet)
string FileName = LookupTag(Message,"Filename");
if (FileName.empty() == true)
return;
}
- Complete = true;
-
- // The files timestamp matches
- if (StringToBool(LookupTag(Message,"IMS-Hit"),false) == true)
- return;
-
- // We have to copy it into place
if (FileName != DestFile)
{
Local = true;
QueueURI(Desc);
return;
}
-
- // Done, move it into position
+
+ Complete = true;
+
string FinalFile = _config->FindDir("Dir::State::lists");
- FinalFile += URItoFileName(Location->ReleaseURI());
- Rename(DestFile,FinalFile);
+ FinalFile += URItoFileName(RealURI);
+
+ // The files timestamp matches
+ if (StringToBool(LookupTag(Message,"IMS-Hit"),false) == false)
+ {
+ // Move it into position
+ Rename(DestFile,FinalFile);
+ }
+ DestFile = FinalFile;
}
- /*}}}*/
-// AcqIndexRel::Describe - Describe the Item /*{{{*/
-// ---------------------------------------------------------------------
-/* */
-string pkgAcqIndexRel::Describe()
+
+void pkgAcqMetaIndex::AuthDone(string Message)
{
- return Location->ReleaseURI();
+ // At this point, the gpgv method has succeeded, so there is a
+ // valid signature from a key in the trusted keyring. We
+ // perform additional verification of its contents, and use them
+ // to verify the indexes we are about to download
+
+ if (!MetaIndexParser->Load(DestFile))
+ {
+ Status = StatAuthError;
+ ErrorText = MetaIndexParser->ErrorText;
+ return;
+ }
+
+ if (!VerifyVendor())
+ {
+ return;
+ }
+
+ if (_config->FindB("Debug::pkgAcquire::Auth", false))
+ std::cerr << "Signature verification succeeded: "
+ << DestFile << std::endl;
+
+ // Download further indexes with verification
+ QueueIndexes(true);
+
+ // Done, move signature file into position
+
+ string VerifiedSigFile = _config->FindDir("Dir::State::lists") +
+ URItoFileName(RealURI) + ".gpg";
+ Rename(SigFile,VerifiedSigFile);
+ chmod(VerifiedSigFile.c_str(),0644);
}
- /*}}}*/
-// AcqIndexRel::Failed - Silence failure messages for missing rel files /*{{{*/
+
+void pkgAcqMetaIndex::QueueIndexes(bool verify)
+{
+ for (vector <struct IndexTarget*>::const_iterator Target = IndexTargets->begin();
+ Target != IndexTargets->end();
+ Target++)
+ {
+ string ExpectedIndexMD5;
+ 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;
+ }
+ ExpectedIndexMD5 = Record->MD5Hash;
+ if (_config->FindB("Debug::pkgAcquire::Auth", false))
+ {
+ std::cerr << "Queueing: " << (*Target)->URI << std::endl;
+ std::cerr << "Expected MD5: " << ExpectedIndexMD5 << std::endl;
+ }
+ if (ExpectedIndexMD5.empty())
+ {
+ Status = StatAuthError;
+ ErrorText = "Unable to find MD5 sum for "
+ + (*Target)->MetaKey + " in Meta-index file";
+ return;
+ }
+ }
+
+ // Queue Packages file
+ new pkgAcqDiffIndex(Owner, (*Target)->URI, (*Target)->Description,
+ (*Target)->ShortDesc, ExpectedIndexMD5);
+ }
+}
+
+bool pkgAcqMetaIndex::VerifyVendor()
+{
+// // Maybe this should be made available from above so we don't have
+// // to read and parse it every time?
+// pkgVendorList List;
+// List.ReadMainList();
+
+// const Vendor* Vndr = NULL;
+// for (std::vector<string>::const_iterator I = GPGVOutput.begin(); I != GPGVOutput.end(); I++)
+// {
+// string::size_type pos = (*I).find("VALIDSIG ");
+// if (_config->FindB("Debug::Vendor", false))
+// std::cerr << "Looking for VALIDSIG in \"" << (*I) << "\": pos " << pos
+// << std::endl;
+// if (pos != std::string::npos)
+// {
+// string Fingerprint = (*I).substr(pos+sizeof("VALIDSIG"));
+// if (_config->FindB("Debug::Vendor", false))
+// std::cerr << "Looking for \"" << Fingerprint << "\" in vendor..." <<
+// std::endl;
+// Vndr = List.FindVendor(Fingerprint) != "";
+// if (Vndr != NULL);
+// break;
+// }
+// }
+
+ string Transformed = MetaIndexParser->GetExpectedDist();
+
+ if (Transformed == "../project/experimental")
+ {
+ Transformed = "experimental";
+ }
+
+ string::size_type pos = Transformed.rfind('/');
+ if (pos != string::npos)
+ {
+ Transformed = Transformed.substr(0, pos);
+ }
+
+ if (Transformed == ".")
+ {
+ Transformed = "";
+ }
+
+ if (_config->FindB("Debug::pkgAcquire::Auth", false))
+ {
+ std::cerr << "Got Codename: " << MetaIndexParser->GetDist() << std::endl;
+ std::cerr << "Expecting Dist: " << MetaIndexParser->GetExpectedDist() << std::endl;
+ std::cerr << "Transformed Dist: " << Transformed << std::endl;
+ }
+
+ if (MetaIndexParser->CheckDist(Transformed) == false)
+ {
+ // This might become fatal one day
+// Status = StatAuthError;
+// ErrorText = "Conflicting distribution; expected "
+// + MetaIndexParser->GetExpectedDist() + " but got "
+// + MetaIndexParser->GetDist();
+// return false;
+ if (!Transformed.empty())
+ {
+ _error->Warning("Conflicting distribution: %s (expected %s but got %s)",
+ Desc.Description.c_str(),
+ Transformed.c_str(),
+ MetaIndexParser->GetDist().c_str());
+ }
+ }
+
+ return true;
+}
+ /*}}}*/
+// pkgAcqMetaIndex::Failed - no Release file present or no signature
+// file present /*{{{*/
// ---------------------------------------------------------------------
/* */
-void pkgAcqIndexRel::Failed(string Message,pkgAcquire::MethodConfig *Cnf)
+void pkgAcqMetaIndex::Failed(string Message,pkgAcquire::MethodConfig *Cnf)
{
- // This is the retry counter
- if (Cnf->LocalOnly == true ||
- StringToBool(LookupTag(Message,"Transient-Failure"),false) == false)
- {
- Status = StatIdle;
- Dequeue();
- return;
+ if (AuthPass == true)
+ {
+ // gpgv method failed
+ _error->Warning("GPG error: %s: %s",
+ Desc.Description.c_str(),
+ LookupTag(Message,"Message").c_str());
}
-
- Item::Failed(Message,Cnf);
+
+ // No Release file was present, or verification failed, so fall
+ // back to queueing Packages files without verification
+ QueueIndexes(false);
}
+
/*}}}*/
// AcqArchive::AcqArchive - Constructor /*{{{*/
pkgRecords *Recs,pkgCache::VerIterator const &Version,
string &StoreFilename) :
Item(Owner), Version(Version), Sources(Sources), Recs(Recs),
- StoreFilename(StoreFilename), Vf(Version.FileList())
+ StoreFilename(StoreFilename), Vf(Version.FileList()),
+ Trusted(false)
{
Retries = _config->FindI("Acquire::Retries",0);
-
- // Generate the final file name as: package_version_arch.deb
- StoreFilename = QuoteString(Version.ParentPkg().Name(),"_:") + '_' +
- QuoteString(Version.VerStr(),"_:") + '_' +
- QuoteString(Version.Arch(),"_:.") + ".deb";
+
+ if (Version.Arch() == 0)
+ {
+ _error->Error(_("I wasn't able to locate a file for the %s package. "
+ "This might mean you need to manually fix this package. "
+ "(due to missing arch)"),
+ Version.ParentPkg().Name());
+ return;
+ }
+
+ /* We need to find a filename to determine the extension. We make the
+ 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++)
+ {
+ if ((Vf.File()->Flags & pkgCache::Flag::NotSource) != 0)
+ continue;
+ break;
+ }
+ // Does not really matter here.. we are going to fail out below
+ if (Vf.end() != true)
+ {
+ // If this fails to get a file name we will bomb out below.
+ pkgRecords::Parser &Parse = Recs->Lookup(Vf);
+ if (_error->PendingError() == true)
+ return;
+
+ // Generate the final file name as: package_version_arch.foo
+ StoreFilename = QuoteString(Version.ParentPkg().Name(),"_:") + '_' +
+ QuoteString(Version.VerStr(),"_:") + '_' +
+ QuoteString(Version.Arch(),"_:.") +
+ "." + flExtension(Parse.FileName());
+ }
+
+ // 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++)
+ {
+ pkgIndexFile *Index;
+ if (Sources->FindIndex(i.File(),Index) == false)
+ continue;
+ if (_config->FindB("Debug::pkgAcquire::Auth", false))
+ {
+ std::cerr << "Checking index: " << Index->Describe()
+ << "(Trusted=" << Index->IsTrusted() << ")\n";
+ }
+ if (Index->IsTrusted()) {
+ Trusted = true;
+ break;
+ }
+ }
+
+ // "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. "
- "This might mean you need to manually fix this package.",
+ _error->Error(_("I wasn't able to locate file for the %s package. "
+ "This might mean you need to manually fix this package."),
Version.ParentPkg().Name());
}
/*}}}*/
the archive is already available in the cache and stashs the MD5 for
checking later. */
bool pkgAcqArchive::QueueNext()
-{
+{
for (; Vf.end() == false; Vf++)
{
// Ignore not source sources
continue;
// Try to cross match against the source list
- string PkgFile = flNotDir(Vf.File().FileName());
- pkgSourceList::const_iterator Location;
- for (Location = Sources->begin(); Location != Sources->end(); Location++)
- if (PkgFile == URItoFileName(Location->PackagesURI()))
- break;
-
- if (Location == Sources->end())
- continue;
+ pkgIndexFile *Index;
+ if (Sources->FindIndex(Vf.File(),Index) == false)
+ continue;
+ // only try to get a trusted package from another source if that source
+ // is also trusted
+ if(Trusted && !Index->IsTrusted())
+ continue;
+
// Grab the text package record
pkgRecords::Parser &Parse = Recs->Lookup(Vf);
if (_error->PendingError() == true)
return false;
- PkgFile = Parse.FileName();
+ string PkgFile = Parse.FileName();
MD5 = Parse.MD5Hash();
if (PkgFile.empty() == true)
- return _error->Error("The package index files are corrupted. No Filename: "
- "field for package %s."
- ,Version.ParentPkg().Name());
+ return _error->Error(_("The package index files are corrupted. No Filename: "
+ "field for package %s."),
+ Version.ParentPkg().Name());
+
+ Desc.URI = Index->ArchiveURI(PkgFile);
+ Desc.Description = Index->ArchiveInfo(Version);
+ Desc.Owner = this;
+ Desc.ShortDesc = Version.ParentPkg().Name();
// See if we already have the file. (Legacy filenames)
FileSize = Version->Size;
return true;
}
- /* Hmm, we have a file and its size does not match, this shouldnt
- happen.. */
+ /* Hmm, we have a file and its size does not match, this means it is
+ an old style mismatched arch */
unlink(FinalFile.c_str());
}
}
DestFile = _config->FindDir("Dir::Cache::Archives") + "partial/" + flNotDir(StoreFilename);
-
+
+ // Check the destination file
+ if (stat(DestFile.c_str(),&Buf) == 0)
+ {
+ // Hmm, the partial file is too big, erase it
+ if ((unsigned)Buf.st_size > Version->Size)
+ unlink(DestFile.c_str());
+ else
+ PartialSize = Buf.st_size;
+ }
+
// Create the item
- Desc.URI = Location->ArchiveURI(PkgFile);
- Desc.Description = Location->ArchiveInfo(Version);
+ Local = false;
+ Desc.URI = Index->ArchiveURI(PkgFile);
+ Desc.Description = Index->ArchiveInfo(Version);
Desc.Owner = this;
Desc.ShortDesc = Version.ParentPkg().Name();
QueueURI(Desc);
// AcqArchive::Done - Finished fetching /*{{{*/
// ---------------------------------------------------------------------
/* */
-void pkgAcqArchive::Done(string Message,unsigned long Size,string Md5Hash)
+void pkgAcqArchive::Done(string Message,unsigned long Size,string Md5Hash,
+ pkgAcquire::MethodConfig *Cfg)
{
- Item::Done(Message,Size,Md5Hash);
+ Item::Done(Message,Size,Md5Hash,Cfg);
// Check the size
if (Size != Version->Size)
{
- _error->Error("Size mismatch for package %s",Version.ParentPkg().Name());
+ Status = StatError;
+ ErrorText = _("Size mismatch");
return;
}
{
if (Md5Hash != MD5)
{
- _error->Error("MD5Sum mismatch for package %s",Version.ParentPkg().Name());
+ Status = StatError;
+ ErrorText = _("MD5Sum mismatch");
+ if(FileExists(DestFile))
+ Rename(DestFile,DestFile + ".FAILED");
return;
}
}
Complete = true;
}
/*}}}*/
-// AcqArchive::Describe - Describe the Item /*{{{*/
-// ---------------------------------------------------------------------
-/* */
-string pkgAcqArchive::Describe()
-{
- return Desc.URI;
-}
- /*}}}*/
// AcqArchive::Failed - Failure handler /*{{{*/
// ---------------------------------------------------------------------
/* Here we try other sources */
void pkgAcqArchive::Failed(string Message,pkgAcquire::MethodConfig *Cnf)
{
ErrorText = LookupTag(Message,"Message");
+
+ /* We don't really want to retry on failed media swaps, this prevents
+ that. An interesting observation is that permanent failures are not
+ recorded. */
+ if (Cnf->Removable == true &&
+ StringToBool(LookupTag(Message,"Transient-Failure"),false) == true)
+ {
+ // Vf = Version.FileList();
+ while (Vf.end() == false) Vf++;
+ StoreFilename = string();
+ Item::Failed(Message,Cnf);
+ return;
+ }
+
if (QueueNext() == false)
{
// This is the retry counter
}
}
/*}}}*/
+// AcqArchive::IsTrusted - Determine whether this archive comes from a
+// trusted source /*{{{*/
+// ---------------------------------------------------------------------
+bool pkgAcqArchive::IsTrusted()
+{
+ return Trusted;
+}
+
+// AcqArchive::Finished - Fetching has finished, tidy up /*{{{*/
+// ---------------------------------------------------------------------
+/* */
+void pkgAcqArchive::Finished()
+{
+ if (Status == pkgAcquire::Item::StatDone &&
+ Complete == true)
+ return;
+ StoreFilename = string();
+}
+ /*}}}*/
+
+// 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)
+{
+ Retries = _config->FindI("Acquire::Retries",0);
+
+ DestFile = flNotDir(URI);
+
+ // Create the item
+ Desc.URI = URI;
+ Desc.Description = Dsc;
+ Desc.Owner = this;
+
+ // Set the short description to the archive component
+ Desc.ShortDesc = ShortDesc;
+
+ // Get the transfer sizes
+ FileSize = Size;
+ struct stat Buf;
+ if (stat(DestFile.c_str(),&Buf) == 0)
+ {
+ // Hmm, the partial file is too big, erase it
+ if ((unsigned)Buf.st_size > Size)
+ unlink(DestFile.c_str());
+ else
+ PartialSize = Buf.st_size;
+ }
+
+ QueueURI(Desc);
+}
+ /*}}}*/
+// AcqFile::Done - Item downloaded OK /*{{{*/
+// ---------------------------------------------------------------------
+/* */
+void pkgAcqFile::Done(string Message,unsigned long Size,string MD5,
+ pkgAcquire::MethodConfig *Cnf)
+{
+ // Check the md5
+ if (Md5Hash.empty() == false && MD5.empty() == false)
+ {
+ if (Md5Hash != MD5)
+ {
+ Status = StatError;
+ ErrorText = "MD5Sum mismatch";
+ Rename(DestFile,DestFile + ".FAILED");
+ return;
+ }
+ }
+
+ Item::Done(Message,Size,MD5,Cnf);
+
+ string FileName = LookupTag(Message,"Filename");
+ if (FileName.empty() == true)
+ {
+ Status = StatError;
+ ErrorText = "Method gave a blank filename";
+ return;
+ }
+
+ Complete = true;
+
+ // The files timestamp matches
+ if (StringToBool(LookupTag(Message,"IMS-Hit"),false) == true)
+ return;
+
+ // We have to copy it into place
+ if (FileName != DestFile)
+ {
+ Local = true;
+ if (_config->FindB("Acquire::Source-Symlinks",true) == false ||
+ Cnf->Removable == true)
+ {
+ Desc.URI = "copy:" + FileName;
+ QueueURI(Desc);
+ return;
+ }
+
+ // Erase the file if it is a symlink so we can overwrite it
+ struct stat St;
+ if (lstat(DestFile.c_str(),&St) == 0)
+ {
+ if (S_ISLNK(St.st_mode) != 0)
+ unlink(DestFile.c_str());
+ }
+
+ // Symlink the file
+ if (symlink(FileName.c_str(),DestFile.c_str()) != 0)
+ {
+ ErrorText = "Link to " + DestFile + " failure ";
+ Status = StatError;
+ Complete = false;
+ }
+ }
+}
+ /*}}}*/
+// AcqFile::Failed - Failure handler /*{{{*/
+// ---------------------------------------------------------------------
+/* Here we try other sources */
+void pkgAcqFile::Failed(string Message,pkgAcquire::MethodConfig *Cnf)
+{
+ ErrorText = LookupTag(Message,"Message");
+
+ // This is the retry counter
+ if (Retries != 0 &&
+ Cnf->LocalOnly == false &&
+ StringToBool(LookupTag(Message,"Transient-Failure"),false) == true)
+ {
+ Retries--;
+ QueueURI(Desc);
+ return;
+ }
+
+ Item::Failed(Message,Cnf);
+}
+ /*}}}*/
projects / apt.git / blobdiff