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-rw-r--r--apt-pkg/acquire-item.cc37
-rw-r--r--methods/makefile14
-rw-r--r--methods/store.cc (renamed from methods/gzip.cc)68
-rwxr-xr-xtest/integration/test-bug-595691-empty-and-broken-archive-files4
4 files changed, 69 insertions, 54 deletions
diff --git a/apt-pkg/acquire-item.cc b/apt-pkg/acquire-item.cc
index ffe5bd1c4..6b0debb44 100644
--- a/apt-pkg/acquire-item.cc
+++ b/apt-pkg/acquire-item.cc
@@ -422,7 +422,7 @@ bool pkgAcqIndex::TransactionState(TransactionStates const state)
{
// keep the compressed file, but drop the decompressed
EraseFileName.clear();
- if (PartialFile.empty() == false && flExtension(PartialFile) == "decomp")
+ if (PartialFile.empty() == false && flExtension(PartialFile) != CurrentCompressionExtension)
RemoveFile("TransactionAbort", PartialFile);
}
break;
@@ -2681,7 +2681,8 @@ void pkgAcqIndex::StageDownloadDone(string const &Message, HashStringList const
{
Stage = STAGE_DECOMPRESS_AND_VERIFY;
Local = true;
- DestFile += ".decomp";
+ if (CurrentCompressionExtension != "uncompressed")
+ DestFile.erase(DestFile.length() - (CurrentCompressionExtension.length() + 1));
Desc.URI = "copy:" + FileName;
QueueURI(Desc);
SetActiveSubprocess("copy");
@@ -2703,6 +2704,18 @@ void pkgAcqIndex::StageDownloadDone(string const &Message, HashStringList const
SetActiveSubprocess("copy");
return;
}
+ else
+ {
+ // symlinking ensures that the filename can be used for compression detection
+ // that is e.g. needed for by-hash over file
+ if (symlink(FileName.c_str(),DestFile.c_str()) != 0)
+ _error->WarningE("pkgAcqIndex::StageDownloadDone", "Symlinking file %s to %s failed", FileName.c_str(), DestFile.c_str());
+ else
+ {
+ EraseFileName = DestFile;
+ FileName = DestFile;
+ }
+ }
}
else
EraseFileName = FileName;
@@ -2717,25 +2730,19 @@ void pkgAcqIndex::StageDownloadDone(string const &Message, HashStringList const
return;
}
- // get the binary name for your used compression type
- string decompProg;
- if(CurrentCompressionExtension == "uncompressed")
- decompProg = "copy";
- else
- decompProg = _config->Find(string("Acquire::CompressionTypes::").append(CurrentCompressionExtension),"");
- if(decompProg.empty() == true)
- {
- _error->Error("Unsupported extension: %s", CurrentCompressionExtension.c_str());
- return;
- }
-
+ string decompProg = "store";
if (Target.KeepCompressed == true)
{
DestFile = "/dev/null";
EraseFileName.clear();
}
else
- DestFile += ".decomp";
+ {
+ if (CurrentCompressionExtension == "uncompressed")
+ decompProg = "copy";
+ else
+ DestFile.erase(DestFile.length() - (CurrentCompressionExtension.length() + 1));
+ }
// queue uri for the next stage
Stage = STAGE_DECOMPRESS_AND_VERIFY;
diff --git a/methods/makefile b/methods/makefile
index 868c52a40..3274e9279 100644
--- a/methods/makefile
+++ b/methods/makefile
@@ -23,11 +23,11 @@ LIB_MAKES = apt-pkg/makefile
SOURCE = copy.cc
include $(PROGRAM_H)
-# The gzip method
-PROGRAM=gzip
+# The store method
+PROGRAM=store
SLIBS = -lapt-pkg $(INTLLIBS)
LIB_MAKES = apt-pkg/makefile
-SOURCE = gzip.cc
+SOURCE = store.cc
include $(PROGRAM_H)
# The gpgv method
@@ -96,15 +96,15 @@ $(BIN)/ssh:
clean-$(BIN)/ssh:
-rm $(BIN)/ssh
-# create links for all other compressors
-COMPRESSORS=bzip2 lzma xz
+# create compat links for all compressors
+COMPRESSORS=gzip bzip2 lzma xz
binary: $(addprefix $(BIN)/,$(COMPRESSORS))
veryclean: $(addprefix clean-$(BIN)/,$(COMPRESSORS))
-$(addprefix $(BIN)/,$(COMPRESSORS)): $(BIN)/gzip
+$(addprefix $(BIN)/,$(COMPRESSORS)): $(BIN)/store
echo "Installing $(notdir $@) method link"
- ln -fs gzip $@
+ ln -fs store $@
$(addprefix clean-$(BIN)/,$(COMPRESSORS)):
-rm $(BIN)/$(notdir $@)
diff --git a/methods/gzip.cc b/methods/store.cc
index c470807ac..29cf9e947 100644
--- a/methods/gzip.cc
+++ b/methods/store.cc
@@ -1,11 +1,13 @@
// -*- mode: cpp; mode: fold -*-
// Description /*{{{*/
-// $Id: gzip.cc,v 1.17.2.1 2004/01/16 18:58:50 mdz Exp $
/* ######################################################################
- GZip method - Take a file URI in and decompress it into the target
- file.
-
+ Store method - Takes a file URI and stores its content (for which it will
+ calculate the hashes) in the given destination. The input file will be
+ extracted based on its file extension (or with the given compressor if
+ called with one of the compatible symlinks) and potentially recompressed
+ based on the file extension of the destination filename.
+
##################################################################### */
/*}}}*/
// Include Files /*{{{*/
@@ -29,72 +31,78 @@
#include <apti18n.h>
/*}}}*/
-class GzipMethod : public aptMethod
+class StoreMethod : public aptMethod
{
std::string const Prog;
virtual bool Fetch(FetchItem *Itm) APT_OVERRIDE;
public:
- explicit GzipMethod(std::string const &pProg) : aptMethod(pProg.c_str(),"1.1",SingleInstance | SendConfig), Prog(pProg) {};
+ explicit StoreMethod(std::string const &pProg) : aptMethod(pProg.c_str(),"1.2",SingleInstance | SendConfig), Prog(pProg) {};
};
-// GzipMethod::Fetch - Decompress the passed URI /*{{{*/
-// ---------------------------------------------------------------------
-/* */
-bool GzipMethod::Fetch(FetchItem *Itm)
+static bool OpenFileWithCompressorByName(FileFd &fileFd, std::string const &Filename, unsigned int const Mode, std::string const &Name)
{
- URI Get = Itm->Uri;
- std::string Path = Get.Host + Get.Path; // To account for relative paths
-
- FetchResult Res;
- Res.Filename = Itm->DestFile;
- URIStart(Res);
+ if (Name == "store")
+ return fileFd.Open(Filename, Mode, FileFd::Extension);
std::vector<APT::Configuration::Compressor> const compressors = APT::Configuration::getCompressors();
std::vector<APT::Configuration::Compressor>::const_iterator compressor = compressors.begin();
for (; compressor != compressors.end(); ++compressor)
- if (compressor->Name == Prog)
+ if (compressor->Name == Name)
break;
if (compressor == compressors.end())
- return _error->Error("Extraction of file %s requires unknown compressor %s", Path.c_str(), Prog.c_str());
+ return _error->Error("Extraction of file %s requires unknown compressor %s", Filename.c_str(), Name.c_str());
+ return fileFd.Open(Filename, Mode, *compressor);
+}
+
+
+ /*}}}*/
+bool StoreMethod::Fetch(FetchItem *Itm) /*{{{*/
+{
+ URI Get = Itm->Uri;
+ std::string Path = Get.Host + Get.Path; // To account for relative paths
+
+ FetchResult Res;
+ Res.Filename = Itm->DestFile;
+ URIStart(Res);
// Open the source and destination files
FileFd From;
if (_config->FindB("Method::Compress", false) == false)
{
- From.Open(Path, FileFd::ReadOnly, *compressor);
+ if (OpenFileWithCompressorByName(From, Path, FileFd::ReadOnly, Prog) == false)
+ return false;
if(From.FileSize() == 0)
return _error->Error(_("Empty files can't be valid archives"));
}
else
- From.Open(Path, FileFd::ReadOnly);
+ From.Open(Path, FileFd::ReadOnly, FileFd::Extension);
if (From.IsOpen() == false || From.Failed() == true)
return false;
FileFd To;
- if (Itm->DestFile != "/dev/null")
+ if (Itm->DestFile != "/dev/null" && Itm->DestFile != Path)
{
if (_config->FindB("Method::Compress", false) == false)
- To.Open(Itm->DestFile, FileFd::WriteAtomic);
- else
- To.Open(Itm->DestFile, FileFd::WriteOnly | FileFd::Create | FileFd::Empty, *compressor);
+ To.Open(Itm->DestFile, FileFd::WriteOnly | FileFd::Create | FileFd::Atomic, FileFd::Extension);
+ else if (OpenFileWithCompressorByName(To, Itm->DestFile, FileFd::WriteOnly | FileFd::Create | FileFd::Empty, Prog) == false)
+ return false;
if (To.IsOpen() == false || To.Failed() == true)
return false;
To.EraseOnFailure();
}
-
// Read data from source, generate checksums and write
Hashes Hash(Itm->ExpectedHashes);
bool Failed = false;
Res.Size = 0;
- while (1)
+ while (1)
{
unsigned char Buffer[4*1024];
unsigned long long Count = 0;
-
+
if (!From.Read(Buffer,sizeof(Buffer),&Count))
{
if (To.IsOpen())
@@ -110,9 +118,9 @@ bool GzipMethod::Fetch(FetchItem *Itm)
{
Failed = true;
break;
- }
+ }
}
-
+
From.Close();
To.Close();
@@ -146,6 +154,6 @@ int main(int, char *argv[])
{
setlocale(LC_ALL, "");
- GzipMethod Mth(flNotDir(argv[0]));
+ StoreMethod Mth(flNotDir(argv[0]));
return Mth.Run();
}
diff --git a/test/integration/test-bug-595691-empty-and-broken-archive-files b/test/integration/test-bug-595691-empty-and-broken-archive-files
index e24ee6b44..c216918c5 100755
--- a/test/integration/test-bug-595691-empty-and-broken-archive-files
+++ b/test/integration/test-bug-595691-empty-and-broken-archive-files
@@ -55,7 +55,7 @@ Reading package lists..." "empty archive Packages.$COMPRESS over file"
Err:2 file:$APTARCHIVE Packages
Empty files can't be valid archives
Reading package lists...
-W: Failed to fetch ${COMPRESSOR}:${APTARCHIVE}/Packages.$COMPRESS Empty files can't be valid archives
+W: Failed to fetch store:$(readlink -f rootdir/var/lib/apt/lists/partial/$(echo "$APTARCHIVE" | sed -e 's#/#_#g')_Packages.${COMPRESS}) Empty files can't be valid archives
E: Some index files failed to download. They have been ignored, or old ones used instead." "empty file Packages.$COMPRESS over file"
}
@@ -72,7 +72,7 @@ Reading package lists..." "empty archive Packages.$COMPRESS over http"
Err:2 http://localhost:${APTHTTPPORT} Packages
Empty files can't be valid archives
Reading package lists...
-W: Failed to fetch ${COMPRESSOR}:$(readlink -f rootdir/var/lib/apt/lists/partial/localhost:${APTHTTPPORT}_Packages.${COMPRESS}) Empty files can't be valid archives
+W: Failed to fetch store:$(readlink -f rootdir/var/lib/apt/lists/partial/localhost:${APTHTTPPORT}_Packages.${COMPRESS}) Empty files can't be valid archives
E: Some index files failed to download. They have been ignored, or old ones used instead." "empty file Packages.$COMPRESS over http"
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-03 01:34:24 +0000