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-rw-r--r--apt-pkg/acquire-item.cc46
-rw-r--r--apt-pkg/indexrecords.cc9
-rw-r--r--apt-pkg/indexrecords.h4
-rw-r--r--apt-pkg/tagfile.cc11
-rw-r--r--apt-pkg/tagfile.h3
-rwxr-xr-xtest/integration/test-apt-by-hash-update28
6 files changed, 67 insertions, 34 deletions
diff --git a/apt-pkg/acquire-item.cc b/apt-pkg/acquire-item.cc
index 7fc556b7c..b7ca82c0c 100644
--- a/apt-pkg/acquire-item.cc
+++ b/apt-pkg/acquire-item.cc
@@ -1018,31 +1018,31 @@ void pkgAcqIndex::Init(string const &URI, string const &URIDesc, string const &S
indexRecords::checkSum *Record = MetaIndexParser->Lookup(MetaKey);
if(Record)
FileSize = Record->Size;
- }
- // do the request by-hash
- // TODO:
- // - add Support-By-Hash hashtype into Release time so that we
- // know we can use it
- // - (maybe?) add support for by-hash into the sources.list as flag
- // - make apt-ftparchive generate the hashes (and expire?)
- if(_config->FindB("APT::Acquire::By-Hash", false) == true &&
- MetaIndexParser)
- {
- indexRecords::checkSum *Record = MetaIndexParser->Lookup(MetaKey);
- if(Record)
+ // TODO:
+ // - (maybe?) add support for by-hash into the sources.list as flag
+ // - make apt-ftparchive generate the hashes (and expire?)
+ // do the request by-hash
+ std::string HostKnob = "APT::Acquire::" + ::URI(URI).Host + "::By-Hash";
+ if(_config->FindB("APT::Acquire::By-Hash", false) == true ||
+ _config->FindB(HostKnob, false) == true ||
+ MetaIndexParser->GetSupportsAcquireByHash())
{
- // FIXME: make the hash used a config option or read from release file
- const HashString *TargetHash = Record->Hashes.find("SHA256");
- std::string ByHash = "/by-hash/" + TargetHash->HashValue();
- size_t trailing_slash = Desc.URI.find_last_of("/");
- Desc.URI = Desc.URI.replace(trailing_slash,
- Desc.URI.substr(trailing_slash+1).size()+1,
- ByHash);
- std::cerr << Desc.URI << std::endl;
- } else {
- _error->Warning("By-Hash requested but can not find record for %s",
- MetaKey.c_str());
+ indexRecords::checkSum *Record = MetaIndexParser->Lookup(MetaKey);
+ if(Record)
+ {
+ // FIXME: should we really use the best hash here? or a fixed one?
+ const HashString *TargetHash = Record->Hashes.find("");
+ std::string ByHash = "/by-hash/" + TargetHash->HashType() + "/" + TargetHash->HashValue();
+ size_t trailing_slash = Desc.URI.find_last_of("/");
+ Desc.URI = Desc.URI.replace(
+ trailing_slash,
+ Desc.URI.substr(trailing_slash+1).size()+1,
+ ByHash);
+ } else {
+ _error->Warning("By-Hash requested but can not find record for %s",
+ MetaKey.c_str());
+ }
}
}
diff --git a/apt-pkg/indexrecords.cc b/apt-pkg/indexrecords.cc
index 122194e94..5b53e796d 100644
--- a/apt-pkg/indexrecords.cc
+++ b/apt-pkg/indexrecords.cc
@@ -37,6 +37,11 @@ APT_PURE string indexRecords::GetSuite() const
return this->Suite;
}
+APT_PURE bool indexRecords::GetSupportsAcquireByHash() const
+{
+ return this->SupportsAcquireByHash;
+}
+
APT_PURE bool indexRecords::CheckDist(const string MaybeDist) const
{
return (this->Dist == MaybeDist
@@ -86,6 +91,8 @@ bool indexRecords::Load(const string Filename) /*{{{*/
strprintf(ErrorText, _("No sections in Release file %s"), Filename.c_str());
return false;
}
+ // FIXME: find better tag name
+ SupportsAcquireByHash = Section.FindB("Acquire-By-Hash", false);
Suite = Section.FindS("Suite");
Dist = Section.FindS("Codename");
@@ -243,6 +250,6 @@ indexRecords::indexRecords()
}
indexRecords::indexRecords(const string ExpectedDist) :
- ExpectedDist(ExpectedDist), ValidUntil(0)
+ ExpectedDist(ExpectedDist), ValidUntil(0), SupportsAcquireByHash(false)
{
}
diff --git a/apt-pkg/indexrecords.h b/apt-pkg/indexrecords.h
index 14b03c4d5..bb0fd5564 100644
--- a/apt-pkg/indexrecords.h
+++ b/apt-pkg/indexrecords.h
@@ -26,12 +26,15 @@ class indexRecords
public:
struct checkSum;
std::string ErrorText;
+ // dpointer (for later9
+ void * d;
protected:
std::string Dist;
std::string Suite;
std::string ExpectedDist;
time_t ValidUntil;
+ bool SupportsAcquireByHash;
std::map<std::string,checkSum *> Entries;
@@ -49,6 +52,7 @@ class indexRecords
virtual bool Load(std::string Filename);
std::string GetDist() const;
std::string GetSuite() const;
+ bool GetSupportsAcquireByHash() const;
time_t GetValidUntil() const;
virtual bool CheckDist(const std::string MaybeDist) const;
std::string GetExpectedDist() const;
diff --git a/apt-pkg/tagfile.cc b/apt-pkg/tagfile.cc
index 52f4da2d5..7085e7d69 100644
--- a/apt-pkg/tagfile.cc
+++ b/apt-pkg/tagfile.cc
@@ -518,6 +518,17 @@ unsigned long long pkgTagSection::FindULL(const char *Tag, unsigned long long co
return Result;
}
/*}}}*/
+// TagSection::FindB - Find boolean value /*{{{*/
+// ---------------------------------------------------------------------
+/* */
+bool pkgTagSection::FindB(const char *Tag, bool const &Default) const
+{
+ const char *Start, *Stop;
+ if (Find(Tag, Start, Stop) == false)
+ return Default;
+ return StringToBool(string(Start, Stop));
+}
+ /*}}}*/
// TagSection::FindFlag - Locate a yes/no type flag /*{{{*/
// ---------------------------------------------------------------------
/* The bits marked in Flag are masked on/off in Flags */
diff --git a/apt-pkg/tagfile.h b/apt-pkg/tagfile.h
index b0cfab759..db43bfbf9 100644
--- a/apt-pkg/tagfile.h
+++ b/apt-pkg/tagfile.h
@@ -62,7 +62,8 @@ class pkgTagSection
bool Find(const char *Tag,const char *&Start, const char *&End) const;
bool Find(const char *Tag,unsigned int &Pos) const;
std::string FindS(const char *Tag) const;
- signed int FindI(const char *Tag,signed long Default = 0) const ;
+ signed int FindI(const char *Tag,signed long Default = 0) const;
+ bool FindB(const char *Tag, bool const &Default = false) const;
unsigned long long FindULL(const char *Tag, unsigned long long const &Default = 0) const;
bool FindFlag(const char *Tag,unsigned long &Flags,
unsigned long Flag) const;
diff --git a/test/integration/test-apt-by-hash-update b/test/integration/test-apt-by-hash-update
index 6b3032ad6..23282bf86 100755
--- a/test/integration/test-apt-by-hash-update
+++ b/test/integration/test-apt-by-hash-update
@@ -14,17 +14,19 @@ setupaptarchive --no-update
APTARCHIVE=$(readlink -f ./aptarchive)
# make Packages *only* accessable by-hash for this test
-mkdir -p aptarchive/dists/unstable/main/binary-i386/by-hash
-(cd aptarchive/dists/unstable/main/binary-i386/by-hash &&
- mv ../Packages* . &&
- ln -s Packages.gz $(sha256sum Packages.gz|cut -f1 -d' ') )
+mkdir -p aptarchive/dists/unstable/main/binary-i386/by-hash/SHA512
+(cd aptarchive/dists/unstable/main/binary-i386/by-hash/SHA512 &&
+ mv ../../Packages* . &&
+ ln -s Packages.gz $(sha512sum Packages.gz|cut -f1 -d' ') )
# add sources
-mkdir -p aptarchive/dists/unstable/main/source/by-hash
-(cd aptarchive/dists/unstable/main/source/by-hash &&
- ln -s ../Sources.gz $(sha256sum ../Sources.gz|cut -f1 -d' ')
+mkdir -p aptarchive/dists/unstable/main/source/by-hash/SHA512
+(cd aptarchive/dists/unstable/main/source/by-hash/SHA512 &&
+ ln -s ../../Sources.gz $(sha512sum ../../Sources.gz|cut -f1 -d' ')
)
+# we moved the Packages file away, normal update won't work
+testfailure aptget upate
# ensure we do not know about "foo"
testequal "Reading package lists...
@@ -34,6 +36,14 @@ E: Unable to locate package foo" aptget install -q -s foo
# ensure we can apt-get update by hash
testsuccess aptget update -o APT::Acquire::By-Hash=1
-# ensure it keeps working
+# ensure it works
testequal "Inst foo (1.0 unstable [all])
-Conf foo (1.0 unstable [all])" aptget install -qq -s foo \ No newline at end of file
+Conf foo (1.0 unstable [all])" aptget install -qq -s foo
+
+# add magic string to Release file ...
+MAGIC="Acquire-By-Hash: true"
+sed -i "s#Suite: unstable#Suite: unstable\n$MAGIC#" aptarchive/dists/unstable/Release
+signreleasefiles
+# ... and verify that it fetches by hash now
+testsuccess aptget update
+
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-14 13:28:18 +0000