##################################################################### */
/*}}}*/
// 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()));
*/
pkgAcqDiffIndex::pkgAcqDiffIndex(pkgAcquire *Owner,
string URI,string URIDesc,string ShortDesc,
- string ExpectedMD5)
- : Item(Owner), RealURI(URI), ExpectedMD5(ExpectedMD5), Description(URIDesc)
+ HashString ExpectedHash)
+ : Item(Owner), RealURI(URI), ExpectedHash(ExpectedHash),
+ Description(URIDesc)
{
Debug = _config->FindB("Debug::pkgAcquire::Diffs",false);
// from local sources. this is really silly, and
// should be fixed cleanly as soon as possible
if(!FileExists(CurrentPackagesFile) ||
- Desc.URI.substr(0,strlen("file:/")) == "file:/" ||
- !_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, local or canceld by user" << std::endl;
return;
}
- if(Debug) {
+ if(Debug)
std::clog << "pkgAcqIndexDiffs::pkgAcqIndexDiffs(): "
<< CurrentPackagesFile << std::endl;
- }
-
+
QueueURI(Desc);
}
SHA1.AddFD(fd.Fd(), fd.Size());
local_sha1 = string(SHA1.Result());
- if(local_sha1 == ServerSha1) {
+ 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 {
+ }
+ 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) {
+ 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(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 {
+ // 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,
- ExpectedMD5, available_patches);
+ 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;
}
<< "Falling back to normal index file aquire" << std::endl;
new pkgAcqIndex(Owner, RealURI, Description, Desc.ShortDesc,
- ExpectedMD5);
+ ExpectedHash);
Complete = false;
Status = StatDone;
*/
pkgAcqIndexDiffs::pkgAcqIndexDiffs(pkgAcquire *Owner,
string URI,string URIDesc,string ShortDesc,
- string ExpectedMD5, vector<DiffInfo> diffs)
- : Item(Owner), RealURI(URI), ExpectedMD5(ExpectedMD5),
+ HashString ExpectedHash,
+ vector<DiffInfo> diffs)
+ : Item(Owner), RealURI(URI), ExpectedHash(ExpectedHash),
available_patches(diffs)
{
Debug = _config->FindB("Debug::pkgAcquire::Diffs",false);
- Desc.Description = URIDesc;
+ Description = URIDesc;
Desc.Owner = this;
Desc.ShortDesc = ShortDesc;
- if(available_patches.size() == 0) {
+ if(available_patches.size() == 0)
+ {
// we are done (yeah!)
Finish(true);
- } else {
+ }
+ else
+ {
// get the next diff
State = StateFetchDiff;
QueueNextDiff();
{
if(Debug)
std::clog << "pkgAcqIndexDiffs failed: " << Desc.URI << std::endl
- << "Falling back to normal index file acquire" << std::endl;
+ << "Falling back to normal index file aquire" << std::endl;
new pkgAcqIndex(Owner, RealURI, Description,Desc.ShortDesc,
- ExpectedMD5);
+ ExpectedHash);
Finish();
}
{
// we restore the original name, this is required, otherwise
// the file will be cleaned
- if(allDone) {
+ 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)
+ if(!ExpectedHash.empty() && !ExpectedHash.VerifyFile(DestFile))
{
Status = StatAuthError;
ErrorText = _("MD5Sum mismatch");
// 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.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) {
+ 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");
-
+ Desc.Description = Description + " " + available_patches[0].file + string(".pdiff");
DestFile = _config->FindDir("Dir::State::lists") + "partial/";
DestFile += URItoFileName(RealURI + ".diff/" + available_patches[0].file);
string FileName = LookupTag(Message,"Filename");
State = StateUnzipDiff;
+ Local = true;
Desc.URI = "gzip:" + FileName;
DestFile += ".decomp";
QueueURI(Desc);
std::clog << "Sending to rred method: " << FinalFile << std::endl;
State = StateApplyDiff;
+ Local = true;
Desc.URI = "rred:" + FinalFile;
QueueURI(Desc);
Mode = "rred";
<< DestFile << " -> " << FinalFile << std::endl;
}
Rename(DestFile,FinalFile);
+ chmod(FinalFile.c_str(),0644);
// see if there is more to download
if(available_patches.size() > 0) {
new pkgAcqIndexDiffs(Owner, RealURI, Description, Desc.ShortDesc,
- ExpectedMD5, available_patches);
+ 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;
if(comprExt.empty())
{
// autoselect the compression method
- if(FileExists("/usr/bin/bzip2"))
+ if(FileExists("/bin/bzip2"))
CompressionExtension = ".bz2";
else
CompressionExtension = ".gz";
} else {
- CompressionExtension = comprExt;
+ CompressionExtension = (comprExt == "plain" ? "" : comprExt);
}
- Desc.URI = URI + CompressionExtension;
+ Desc.URI = URI + CompressionExtension;
Desc.Description = URIDesc;
Desc.Owner = this;
void pkgAcqIndex::Failed(string Message,pkgAcquire::MethodConfig *Cnf)
{
+ bool descChanged = false;
// 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";
+ 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"));
+ new pkgAcqIndex(Owner, RealURI, Desc.Description,Desc.ShortDesc,
+ ExpectedHash, string(".gz"));
+ descChanged = true;
+ }
+ // no .gz found, retry with uncompressed
+ else if(Desc.URI.substr(Desc.URI.size()-2) == "gz") {
+ Desc.URI = Desc.URI.substr(0,Desc.URI.size()-2);
+
+ new pkgAcqIndex(Owner, RealURI, Desc.Description,Desc.ShortDesc,
+ ExpectedHash, string("plain"));
+ descChanged = true;
+ }
+ if (descChanged) {
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";
else
Local = true;
- string compExt = Desc.URI.substr(Desc.URI.size()-3);
- char *decompProg;
+ string compExt = flExtension(flNotDir(URI(Desc.URI).Path));
+ const char *decompProg;
if(compExt == "bz2")
decompProg = "bzip2";
- else if(compExt == ".gz")
+ else if(compExt == "gz")
decompProg = "gzip";
+ // flExtensions returns the full name if no extension is found
+ else if(compExt == flNotDir(URI(Desc.URI).Path))
+ decompProg = "copy";
else {
_error->Error("Unsupported extension: %s", compExt.c_str());
return;
// ---------------------------------------------------------------------
/* The Translation file is added to the queue */
pkgAcqIndexTrans::pkgAcqIndexTrans(pkgAcquire *Owner,
- string URI,string URIDesc,string ShortDesc) :
- pkgAcqIndex(Owner, URI, URIDesc, ShortDesc, "", "")
+ string URI,string URIDesc,string ShortDesc)
+ : pkgAcqIndex(Owner, URI, URIDesc, ShortDesc, HashString(), "")
{
}
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
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)
{
+ string Final = _config->FindDir("Dir::State::lists") + URItoFileName(RealURI);
// if we get a network error we fail gracefully
- if(LookupTag(Message,"FailReason") == "Timeout" ||
- LookupTag(Message,"FailReason") == "TmpResolveFailure" ||
- LookupTag(Message,"FailReason") == "ConnectionRefused") {
+ if(Status == StatTransientNetworkError)
+ {
Item::Failed(Message,Cnf);
+ // move the sigfile back on transient network failures
+ if(FileExists(DestFile))
+ Rename(LastGoodSig,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
- string Final = _config->FindDir("Dir::State::lists") + URItoFileName(RealURI);
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), AuthPass(false),
- MetaIndexParser(MetaIndexParser), IndexTargets(IndexTargets), IMSHit(false)
+ Item(Owner), RealURI(URI), SigFile(SigFile), IndexTargets(IndexTargets),
+ MetaIndexParser(MetaIndexParser), AuthPass(false), IMSHit(false)
{
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
// 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;
}
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 pkgAcqDiffIndex(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);
}
}
// check for missing sigs (that where not fatal because otherwise we had
// bombed earlier)
string missingkeys;
- string msg = _("There are no public key available for the "
+ string msg = _("There is no public key available for the "
"following key IDs:\n");
pos = Message.find("NO_PUBKEY ");
if (pos != std::string::npos)
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");
- if(FileExists(DestFile))
- Rename(DestFile,DestFile + ".FAILED");
- return;
- }
+ Status = StatError;
+ ErrorText = _("Hash Sum mismatch");
+ if(FileExists(DestFile))
+ Rename(DestFile,DestFile + ".FAILED");
+ return;
}
// Grab the output filename
// AcqFile::pkgAcqFile - Constructor /*{{{*/
// ---------------------------------------------------------------------
/* The file is added to the queue */
-pkgAcqFile::pkgAcqFile(pkgAcquire *Owner,string URI,string MD5,
+pkgAcqFile::pkgAcqFile(pkgAcquire *Owner,string URI,string Hash,
unsigned long Size,string Dsc,string ShortDesc,
const string &DestDir, const string &DestFilename) :
- Item(Owner), Md5Hash(MD5)
+ Item(Owner), ExpectedHash(Hash)
{
Retries = _config->FindI("Acquire::Retries",0);
// 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)
{
projects / apt.git / blobdiff