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-rw-r--r--apt-pkg/acquire-item.cc122
-rw-r--r--apt-pkg/acquire-item.h3
-rw-r--r--apt-pkg/acquire-worker.cc37
-rw-r--r--apt-pkg/acquire.cc40
-rw-r--r--apt-pkg/acquire.h2
-rw-r--r--apt-pkg/contrib/hashes.cc32
-rw-r--r--apt-pkg/contrib/hashes.h4
-rw-r--r--apt-pkg/contrib/strutl.cc124
-rw-r--r--apt-pkg/indexrecords.cc3
9 files changed, 210 insertions, 157 deletions
diff --git a/apt-pkg/acquire-item.cc b/apt-pkg/acquire-item.cc
index 0e406f368..605ca7ae4 100644
--- a/apt-pkg/acquire-item.cc
+++ b/apt-pkg/acquire-item.cc
@@ -44,9 +44,6 @@
#include <sstream>
#include <stdio.h>
#include <ctime>
-#include <sys/types.h>
-#include <pwd.h>
-#include <grp.h>
#include <apti18n.h>
/*}}}*/
@@ -65,20 +62,6 @@ static void printHashSumComparision(std::string const &URI, HashStringList const
std::cerr << "\t- " << hs->toStr() << std::endl;
}
/*}}}*/
-static void ChangeOwnerAndPermissionOfFile(char const * const requester, char const * const file, char const * const user, char const * const group, mode_t const mode) /*{{{*/
-{
- // ensure the file is owned by root and has good permissions
- struct passwd const * const pw = getpwnam(user);
- struct group const * const gr = getgrnam(group);
- if (getuid() == 0) // if we aren't root, we can't chown, so don't try it
- {
- if (pw != NULL && gr != NULL && chown(file, pw->pw_uid, gr->gr_gid) != 0)
- _error->WarningE(requester, "chown to %s:%s of file %s failed", user, group, file);
- }
- if (chmod(file, mode) != 0)
- _error->WarningE(requester, "chmod 0%o of file %s failed", mode, file);
-}
- /*}}}*/
static std::string GetPartialFileName(std::string const &file) /*{{{*/
{
std::string DestFile = _config->FindDir("Dir::State::lists") + "partial/";
@@ -155,7 +138,7 @@ pkgAcquire::Item::~Item()
fetch this object */
void pkgAcquire::Item::Failed(string Message,pkgAcquire::MethodConfig *Cnf)
{
- if(ErrorText == "")
+ if(ErrorText.empty())
ErrorText = LookupTag(Message,"Message");
UsedMirror = LookupTag(Message,"UsedMirror");
if (QueueCounter <= 1)
@@ -179,9 +162,9 @@ void pkgAcquire::Item::Failed(string Message,pkgAcquire::MethodConfig *Cnf)
Status = StatIdle;
// check fail reason
- string FailReason = LookupTag(Message, "FailReason");
+ string const FailReason = LookupTag(Message, "FailReason");
if(FailReason == "MaximumSizeExceeded")
- Rename(DestFile, DestFile+".FAILED");
+ RenameOnError(MaximumSizeExceeded);
// report mirror failure back to LP if we actually use a mirror
if(FailReason.size() != 0)
@@ -197,6 +180,7 @@ void pkgAcquire::Item::Failed(string Message,pkgAcquire::MethodConfig *Cnf)
void pkgAcquire::Item::Start(string /*Message*/,unsigned long long Size)
{
Status = StatFetching;
+ ErrorText.clear();
if (FileSize == 0 && Complete == false)
FileSize = Size;
}
@@ -242,12 +226,6 @@ bool pkgAcquire::Item::Rename(string From,string To)
/*}}}*/
void pkgAcquire::Item::QueueURI(ItemDesc &Item) /*{{{*/
{
- if (RealFileExists(DestFile))
- {
- std::string SandboxUser = _config->Find("APT::Sandbox::User");
- ChangeOwnerAndPermissionOfFile("Item::QueueURI", DestFile.c_str(),
- SandboxUser.c_str(), "root", 0600);
- }
Owner->Enqueue(Item);
}
/*}}}*/
@@ -258,7 +236,7 @@ void pkgAcquire::Item::Dequeue() /*{{{*/
/*}}}*/
bool pkgAcquire::Item::RenameOnError(pkgAcquire::Item::RenameOnErrorState const error)/*{{{*/
{
- if(FileExists(DestFile))
+ if (RealFileExists(DestFile))
Rename(DestFile, DestFile + ".FAILED");
switch (error)
@@ -283,7 +261,11 @@ bool pkgAcquire::Item::RenameOnError(pkgAcquire::Item::RenameOnErrorState const
Status = StatError;
break;
case NotClearsigned:
- ErrorText = _("Does not start with a cleartext signature");
+ ErrorText = _("Does not start with a cleartext signature");
+ Status = StatError;
+ break;
+ case MaximumSizeExceeded:
+ // the method is expected to report a good error for this
Status = StatError;
break;
}
@@ -702,14 +684,14 @@ bool pkgAcqDiffIndex::ParseDiffIndex(string IndexDiffFile) /*{{{*/
/*}}}*/
void pkgAcqDiffIndex::Failed(string Message,pkgAcquire::MethodConfig * Cnf)/*{{{*/
{
+ Item::Failed(Message,Cnf);
+ Status = StatDone;
+
if(Debug)
std::clog << "pkgAcqDiffIndex failed: " << Desc.URI << " with " << Message << std::endl
<< "Falling back to normal index file acquire" << std::endl;
new pkgAcqIndex(Owner, TransactionManager, Target, ExpectedHashes, MetaIndexParser);
-
- Item::Failed(Message,Cnf);
- Status = StatDone;
}
/*}}}*/
void pkgAcqDiffIndex::Done(string Message,unsigned long long Size,HashStringList const &Hashes, /*{{{*/
@@ -792,8 +774,11 @@ pkgAcqIndexDiffs::pkgAcqIndexDiffs(pkgAcquire *Owner,
}
}
/*}}}*/
-void pkgAcqIndexDiffs::Failed(string Message,pkgAcquire::MethodConfig * /*Cnf*/)/*{{{*/
+void pkgAcqIndexDiffs::Failed(string Message,pkgAcquire::MethodConfig * Cnf)/*{{{*/
{
+ Item::Failed(Message,Cnf);
+ Status = StatDone;
+
if(Debug)
std::clog << "pkgAcqIndexDiffs failed: " << Desc.URI << " with " << Message << std::endl
<< "Falling back to normal index file acquire" << std::endl;
@@ -1284,11 +1269,14 @@ string pkgAcqIndex::Custom600Headers() const
// pkgAcqIndex::Failed - getting the indexfile failed /*{{{*/
void pkgAcqIndex::Failed(string Message,pkgAcquire::MethodConfig *Cnf)
{
+ Item::Failed(Message,Cnf);
+
size_t const nextExt = CompressionExtensions.find(' ');
if (nextExt != std::string::npos)
{
CompressionExtensions = CompressionExtensions.substr(nextExt+1);
Init(RealURI, Desc.Description, Desc.ShortDesc);
+ Status = StatIdle;
return;
}
@@ -1515,19 +1503,10 @@ void pkgAcqMetaBase::AbortTransaction()
std::clog << " Cancel: " << (*I)->DestFile << std::endl;
// the transaction will abort, so stop anything that is idle
if ((*I)->Status == pkgAcquire::Item::StatIdle)
- (*I)->Status = pkgAcquire::Item::StatDone;
-
- // kill failed files in partial
- if ((*I)->Status == pkgAcquire::Item::StatError)
{
- std::string const PartialFile = GetPartialFileName(flNotDir((*I)->DestFile));
- if(FileExists(PartialFile))
- Rename(PartialFile, PartialFile + ".FAILED");
+ (*I)->Status = pkgAcquire::Item::StatDone;
+ (*I)->Dequeue();
}
- // fix permissions for existing files which were part of a reverify
- // like InRelease files or files in partial we might work with next time
- else if (FileExists((*I)->DestFile))
- ChangeOwnerAndPermissionOfFile("AbortTransaction", (*I)->DestFile.c_str(), "root", "root", 0644);
}
Transaction.clear();
}
@@ -1562,8 +1541,6 @@ void pkgAcqMetaBase::CommitTransaction()
<< (*I)->DescURI() << std::endl;
Rename((*I)->PartialFile, (*I)->DestFile);
- ChangeOwnerAndPermissionOfFile("CommitTransaction", (*I)->DestFile.c_str(), "root", "root", 0644);
-
} else {
if(_config->FindB("Debug::Acquire::Transaction", false) == true)
std::clog << "rm "
@@ -1712,16 +1689,17 @@ void pkgAcqMetaSig::Done(string Message,unsigned long long Size,
/*}}}*/
void pkgAcqMetaSig::Failed(string Message,pkgAcquire::MethodConfig *Cnf)/*{{{*/
{
- string Final = _config->FindDir("Dir::State::lists") + URItoFileName(RealURI);
+ Item::Failed(Message,Cnf);
// check if we need to fail at this point
if (AuthPass == true && CheckStopAuthentication(RealURI, Message))
return;
// FIXME: meh, this is not really elegant
- string InReleaseURI = RealURI.replace(RealURI.rfind("Release.gpg"), 12,
+ string const Final = _config->FindDir("Dir::State::lists") + URItoFileName(RealURI);
+ string const InReleaseURI = RealURI.replace(RealURI.rfind("Release.gpg"), 12,
"InRelease");
- string FinalInRelease = _config->FindDir("Dir::State::lists") + URItoFileName(InReleaseURI);
+ string const FinalInRelease = _config->FindDir("Dir::State::lists") + URItoFileName(InReleaseURI);
if (RealFileExists(Final) || RealFileExists(FinalInRelease))
{
@@ -1736,7 +1714,7 @@ void pkgAcqMetaSig::Failed(string Message,pkgAcquire::MethodConfig *Cnf)/*{{{*/
_error->Warning(_("This is normally not allowed, but the option "
"Acquire::AllowDowngradeToInsecureRepositories was "
"given to override it."));
-
+ Status = StatDone;
} else {
_error->Error("%s", downgrade_msg.c_str());
Rename(MetaIndexFile, MetaIndexFile+".FAILED");
@@ -1764,8 +1742,6 @@ void pkgAcqMetaSig::Failed(string Message,pkgAcquire::MethodConfig *Cnf)/*{{{*/
QueueIndexes(true);
}
- Item::Failed(Message,Cnf);
-
// FIXME: this is used often (e.g. in pkgAcqIndexTrans) so refactor
if (Cnf->LocalOnly == true ||
StringToBool(LookupTag(Message,"Transient-Failure"),false) == false)
@@ -2152,10 +2128,12 @@ string pkgAcqMetaClearSig::Custom600Headers() const
/*}}}*/
// pkgAcqMetaClearSig::Done - We got a file /*{{{*/
// ---------------------------------------------------------------------
-void pkgAcqMetaClearSig::Done(std::string Message,unsigned long long /*Size*/,
- HashStringList const &/*Hashes*/,
+void pkgAcqMetaClearSig::Done(std::string Message,unsigned long long Size,
+ HashStringList const &Hashes,
pkgAcquire::MethodConfig *Cnf)
{
+ Item::Done(Message, Size, Hashes, Cnf);
+
// if we expect a ClearTextSignature (InRelase), ensure that
// this is what we get and if not fail to queue a
// Release/Release.gpg, see #346386
@@ -2420,11 +2398,7 @@ bool pkgAcqArchive::QueueNext()
if ((unsigned long long)Buf.st_size > Version->Size)
unlink(DestFile.c_str());
else
- {
PartialSize = Buf.st_size;
- std::string SandboxUser = _config->Find("APT::Sandbox::User");
- ChangeOwnerAndPermissionOfFile("pkgAcqArchive::QueueNext",DestFile.c_str(), SandboxUser.c_str(), "root", 0600);
- }
}
// Disables download of archives - useful if no real installation follows,
@@ -2493,7 +2467,6 @@ void pkgAcqArchive::Done(string Message,unsigned long long Size, HashStringList
string FinalFile = _config->FindDir("Dir::Cache::Archives");
FinalFile += flNotDir(StoreFilename);
Rename(DestFile,FinalFile);
- ChangeOwnerAndPermissionOfFile("pkgAcqArchive::Done", FinalFile.c_str(), "root", "root", 0644);
StoreFilename = DestFile = FinalFile;
Complete = true;
}
@@ -2503,8 +2476,8 @@ void pkgAcqArchive::Done(string Message,unsigned long long Size, HashStringList
/* Here we try other sources */
void pkgAcqArchive::Failed(string Message,pkgAcquire::MethodConfig *Cnf)
{
- ErrorText = LookupTag(Message,"Message");
-
+ Item::Failed(Message,Cnf);
+
/* We don't really want to retry on failed media swaps, this prevents
that. An interesting observation is that permanent failures are not
recorded. */
@@ -2514,10 +2487,10 @@ void pkgAcqArchive::Failed(string Message,pkgAcquire::MethodConfig *Cnf)
// Vf = Version.FileList();
while (Vf.end() == false) ++Vf;
StoreFilename = string();
- Item::Failed(Message,Cnf);
return;
}
-
+
+ Status = StatIdle;
if (QueueNext() == false)
{
// This is the retry counter
@@ -2530,9 +2503,9 @@ void pkgAcqArchive::Failed(string Message,pkgAcquire::MethodConfig *Cnf)
if (QueueNext() == true)
return;
}
-
+
StoreFilename = string();
- Item::Failed(Message,Cnf);
+ Status = StatError;
}
}
/*}}}*/
@@ -2589,11 +2562,7 @@ pkgAcqFile::pkgAcqFile(pkgAcquire *Owner,string URI, HashStringList const &Hashe
if ((Size > 0) && (unsigned long long)Buf.st_size > Size)
unlink(DestFile.c_str());
else
- {
PartialSize = Buf.st_size;
- std::string SandboxUser = _config->Find("APT::Sandbox::User");
- ChangeOwnerAndPermissionOfFile("pkgAcqFile", DestFile.c_str(), SandboxUser.c_str(), "root", 0600);
- }
}
QueueURI(Desc);
@@ -2652,7 +2621,12 @@ void pkgAcqFile::Done(string Message,unsigned long long Size,HashStringList cons
// Symlink the file
if (symlink(FileName.c_str(),DestFile.c_str()) != 0)
{
- ErrorText = "Link to " + DestFile + " failure ";
+ _error->PushToStack();
+ _error->Errno("pkgAcqFile::Done", "Symlinking file %s failed", DestFile.c_str());
+ std::stringstream msg;
+ _error->DumpErrors(msg);
+ _error->RevertToStack();
+ ErrorText = msg.str();
Status = StatError;
Complete = false;
}
@@ -2664,19 +2638,19 @@ void pkgAcqFile::Done(string Message,unsigned long long Size,HashStringList cons
/* Here we try other sources */
void pkgAcqFile::Failed(string Message,pkgAcquire::MethodConfig *Cnf)
{
- ErrorText = LookupTag(Message,"Message");
-
+ Item::Failed(Message,Cnf);
+
// This is the retry counter
if (Retries != 0 &&
Cnf->LocalOnly == false &&
StringToBool(LookupTag(Message,"Transient-Failure"),false) == true)
{
- Retries--;
+ --Retries;
QueueURI(Desc);
+ Status = StatIdle;
return;
}
-
- Item::Failed(Message,Cnf);
+
}
/*}}}*/
// AcqIndex::Custom600Headers - Insert custom request headers /*{{{*/
diff --git a/apt-pkg/acquire-item.h b/apt-pkg/acquire-item.h
index 7adc1976b..10d7e6a09 100644
--- a/apt-pkg/acquire-item.h
+++ b/apt-pkg/acquire-item.h
@@ -63,6 +63,8 @@ class pkgAcqMetaBase;
*/
class pkgAcquire::Item : public WeakPointable
{
+ friend class pkgAcqMetaBase;
+
void *d;
protected:
@@ -323,6 +325,7 @@ class pkgAcquire::Item : public WeakPointable
InvalidFormat,
SignatureError,
NotClearsigned,
+ MaximumSizeExceeded
};
/** \brief Rename failed file and set error
diff --git a/apt-pkg/acquire-worker.cc b/apt-pkg/acquire-worker.cc
index 64df3c80f..724bdfd49 100644
--- a/apt-pkg/acquire-worker.cc
+++ b/apt-pkg/acquire-worker.cc
@@ -34,12 +34,29 @@
#include <signal.h>
#include <stdio.h>
#include <errno.h>
+#include <sys/types.h>
+#include <pwd.h>
+#include <grp.h>
#include <apti18n.h>
/*}}}*/
using namespace std;
+static void ChangeOwnerAndPermissionOfFile(char const * const requester, char const * const file, char const * const user, char const * const group, mode_t const mode) /*{{{*/
+{
+ if (getuid() == 0 && strlen(user) != 0 && strlen(group) != 0) // if we aren't root, we can't chown, so don't try it
+ {
+ // ensure the file is owned by root and has good permissions
+ struct passwd const * const pw = getpwnam(user);
+ struct group const * const gr = getgrnam(group);
+ if (pw != NULL && gr != NULL && chown(file, pw->pw_uid, gr->gr_gid) != 0)
+ _error->WarningE(requester, "chown to %s:%s of file %s failed", user, group, file);
+ }
+ if (chmod(file, mode) != 0)
+ _error->WarningE(requester, "chmod 0%o of file %s failed", mode, file);
+}
+ /*}}}*/
// Worker::Worker - Constructor for Queue startup /*{{{*/
// ---------------------------------------------------------------------
/* */
@@ -306,7 +323,10 @@ bool pkgAcquire::Worker::RunMessages()
pkgAcquire::Item *Owner = Itm->Owner;
pkgAcquire::ItemDesc Desc = *Itm;
-
+
+ if (RealFileExists(Owner->DestFile))
+ ChangeOwnerAndPermissionOfFile("201::URIDone", Owner->DestFile.c_str(), "root", "root", 0644);
+
// Display update before completion
if (Log != 0 && Log->MorePulses == true)
Log->Pulse(Owner->GetOwner());
@@ -379,9 +399,13 @@ bool pkgAcquire::Worker::RunMessages()
// Display update before completion
if (Log != 0 && Log->MorePulses == true)
Log->Pulse(Itm->Owner->GetOwner());
-
+
pkgAcquire::Item *Owner = Itm->Owner;
pkgAcquire::ItemDesc Desc = *Itm;
+
+ if (RealFileExists(Owner->DestFile))
+ ChangeOwnerAndPermissionOfFile("400::URIFailure", Owner->DestFile.c_str(), "root", "root", 0644);
+
OwnerQ->ItemDone(Itm);
// set some status
@@ -542,7 +566,14 @@ bool pkgAcquire::Worker::QueueItem(pkgAcquire::Queue::QItem *Item)
}
Message += Item->Owner->Custom600Headers();
Message += "\n\n";
-
+
+ if (RealFileExists(Item->Owner->DestFile))
+ {
+ std::string SandboxUser = _config->Find("APT::Sandbox::User");
+ ChangeOwnerAndPermissionOfFile("Item::QueueURI", Item->Owner->DestFile.c_str(),
+ SandboxUser.c_str(), "root", 0600);
+ }
+
if (Debug == true)
clog << " -> " << Access << ':' << QuoteString(Message,"\n") << endl;
OutQueue += Message;
diff --git a/apt-pkg/acquire.cc b/apt-pkg/acquire.cc
index 1e20b74be..2c89c2dea 100644
--- a/apt-pkg/acquire.cc
+++ b/apt-pkg/acquire.cc
@@ -54,23 +54,38 @@ pkgAcquire::pkgAcquire() : LockFD(-1), Queues(0), Workers(0), Configs(0), Log(NU
Debug(_config->FindB("Debug::pkgAcquire",false)),
Running(false)
{
- string const Mode = _config->Find("Acquire::Queue-Mode","host");
- if (strcasecmp(Mode.c_str(),"host") == 0)
- QueueMode = QueueHost;
- if (strcasecmp(Mode.c_str(),"access") == 0)
- QueueMode = QueueAccess;
+ Initialize();
}
pkgAcquire::pkgAcquire(pkgAcquireStatus *Progress) : LockFD(-1), Queues(0), Workers(0),
Configs(0), Log(NULL), ToFetch(0),
Debug(_config->FindB("Debug::pkgAcquire",false)),
Running(false)
{
+ Initialize();
+ SetLog(Progress);
+}
+void pkgAcquire::Initialize()
+{
string const Mode = _config->Find("Acquire::Queue-Mode","host");
if (strcasecmp(Mode.c_str(),"host") == 0)
QueueMode = QueueHost;
if (strcasecmp(Mode.c_str(),"access") == 0)
QueueMode = QueueAccess;
- SetLog(Progress);
+
+ // chown the auth.conf file as it will be accessed by our methods
+ std::string const SandboxUser = _config->Find("APT::Sandbox::User");
+ if (getuid() == 0 && SandboxUser.empty() == false) // if we aren't root, we can't chown, so don't try it
+ {
+ struct passwd const * const pw = getpwnam(SandboxUser.c_str());
+ struct group const * const gr = getgrnam("root");
+ if (pw != NULL && gr != NULL)
+ {
+ std::string const AuthConf = _config->FindFile("Dir::Etc::netrc");
+ if(AuthConf.empty() == false && RealFileExists(AuthConf) &&
+ chown(AuthConf.c_str(), pw->pw_uid, gr->gr_gid) != 0)
+ _error->WarningE("SetupAPTPartialDirectory", "chown to %s:root of file %s failed", SandboxUser.c_str(), AuthConf.c_str());
+ }
+ }
}
/*}}}*/
// Acquire::GetLock - lock directory and prepare for action /*{{{*/
@@ -81,21 +96,16 @@ static bool SetupAPTPartialDirectory(std::string const &grand, std::string const
CreateAPTDirectoryIfNeeded(parent, partial) == false)
return false;
- if (getuid() == 0) // if we aren't root, we can't chown, so don't try it
+ std::string const SandboxUser = _config->Find("APT::Sandbox::User");
+ if (getuid() == 0 && SandboxUser.empty() == false) // if we aren't root, we can't chown, so don't try it
{
- std::string SandboxUser = _config->Find("APT::Sandbox::User");
- struct passwd *pw = getpwnam(SandboxUser.c_str());
- struct group *gr = getgrnam("root");
+ struct passwd const * const pw = getpwnam(SandboxUser.c_str());
+ struct group const * const gr = getgrnam("root");
if (pw != NULL && gr != NULL)
{
// chown the partial dir
if(chown(partial.c_str(), pw->pw_uid, gr->gr_gid) != 0)
_error->WarningE("SetupAPTPartialDirectory", "chown to %s:root of directory %s failed", SandboxUser.c_str(), partial.c_str());
- // chown the auth.conf file
- std::string const AuthConf = _config->FindFile("Dir::Etc::netrc");
- if(AuthConf.empty() == false && RealFileExists(AuthConf) &&
- chown(AuthConf.c_str(), pw->pw_uid, gr->gr_gid) != 0)
- _error->WarningE("SetupAPTPartialDirectory", "chown to %s:root of file %s failed", SandboxUser.c_str(), AuthConf.c_str());
}
}
if (chmod(partial.c_str(), 0700) != 0)
diff --git a/apt-pkg/acquire.h b/apt-pkg/acquire.h
index a1a192d5f..f33362922 100644
--- a/apt-pkg/acquire.h
+++ b/apt-pkg/acquire.h
@@ -378,6 +378,8 @@ class pkgAcquire
*/
virtual ~pkgAcquire();
+ private:
+ APT_HIDDEN void Initialize();
};
/** \brief Represents a single download source from which an item
diff --git a/apt-pkg/contrib/hashes.cc b/apt-pkg/contrib/hashes.cc
index 417982343..55180c642 100644
--- a/apt-pkg/contrib/hashes.cc
+++ b/apt-pkg/contrib/hashes.cc
@@ -29,7 +29,7 @@
const char * HashString::_SupportedHashes[] =
{
- "SHA512", "SHA256", "SHA1", "MD5Sum", NULL
+ "SHA512", "SHA256", "SHA1", "MD5Sum", "Checksum-FileSize", NULL
};
HashString::HashString()
@@ -111,6 +111,8 @@ std::string HashString::GetHashForFile(std::string filename) const /*{{{*/
SHA512.AddFD(Fd);
fileHash = (std::string)SHA512.Result();
}
+ else if (strcasecmp(Type.c_str(), "Checksum-FileSize") == 0)
+ strprintf(fileHash, "%llu", Fd.FileSize());
Fd.Close();
return fileHash;
@@ -147,7 +149,13 @@ bool HashStringList::usable() const /*{{{*/
return false;
std::string const forcedType = _config->Find("Acquire::ForceHash", "");
if (forcedType.empty() == true)
- return true;
+ {
+ // FileSize alone isn't usable
+ for (std::vector<HashString>::const_iterator hs = list.begin(); hs != list.end(); ++hs)
+ if (hs->HashType() != "Checksum-FileSize")
+ return true;
+ return false;
+ }
return find(forcedType) != NULL;
}
/*}}}*/
@@ -201,6 +209,9 @@ bool HashStringList::VerifyFile(std::string filename) const /*{{{*/
HashString const * const hs = find(NULL);
if (hs == NULL || hs->VerifyFile(filename) == false)
return false;
+ HashString const * const hsf = find("Checksum-FileSize");
+ if (hsf != NULL && hsf->VerifyFile(filename) == false)
+ return false;
return true;
}
/*}}}*/
@@ -235,6 +246,14 @@ bool HashStringList::operator!=(HashStringList const &other) const
}
/*}}}*/
+// PrivateHashes /*{{{*/
+class PrivateHashes {
+public:
+ unsigned long long FileSize;
+
+ PrivateHashes() : FileSize(0) {}
+};
+ /*}}}*/
// Hashes::Add* - Add the contents of data or FD /*{{{*/
bool Hashes::Add(const unsigned char * const Data,unsigned long long const Size, unsigned int const Hashes)
{
@@ -254,6 +273,7 @@ bool Hashes::Add(const unsigned char * const Data,unsigned long long const Size,
#if __GNUC__ >= 4
#pragma GCC diagnostic pop
#endif
+ d->FileSize += Size;
return Res;
}
bool Hashes::AddFD(int const Fd,unsigned long long Size, unsigned int const Hashes)
@@ -314,15 +334,17 @@ HashStringList Hashes::GetHashStringList()
#if __GNUC__ >= 4
#pragma GCC diagnostic pop
#endif
+ std::string SizeStr;
+ strprintf(SizeStr, "%llu", d->FileSize);
+ hashes.push_back(HashString("Checksum-FileSize", SizeStr));
return hashes;
}
#if __GNUC__ >= 4
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
- #pragma GCC diagnostic ignored "-Wsuggest-attribute=const"
#endif
-Hashes::Hashes() {}
-Hashes::~Hashes() {}
+Hashes::Hashes() { d = new PrivateHashes(); }
+Hashes::~Hashes() { delete d; }
#if __GNUC__ >= 4
#pragma GCC diagnostic pop
#endif
diff --git a/apt-pkg/contrib/hashes.h b/apt-pkg/contrib/hashes.h
index caeba006d..e2e213855 100644
--- a/apt-pkg/contrib/hashes.h
+++ b/apt-pkg/contrib/hashes.h
@@ -161,10 +161,10 @@ class HashStringList
std::vector<HashString> list;
};
+class PrivateHashes;
class Hashes
{
- /** \brief dpointer placeholder */
- void *d;
+ PrivateHashes *d;
public:
/* those will disappear in the future as it is hard to add new ones this way.
diff --git a/apt-pkg/contrib/strutl.cc b/apt-pkg/contrib/strutl.cc
index aad358a55..ebf9c9ea6 100644
--- a/apt-pkg/contrib/strutl.cc
+++ b/apt-pkg/contrib/strutl.cc
@@ -779,86 +779,94 @@ string TimeRFC1123(time_t Date)
In particular: this reads blocks from the input until it believes
that it's run out of input text. Each block is terminated by a
- double newline ('\n' followed by '\n'). As noted below, there is a
- bug in this code: it assumes that all the blocks have been read if
- it doesn't see additional text in the buffer after the last one is
- parsed, which will cause it to lose blocks if the last block
- coincides with the end of the buffer.
+ double newline ('\n' followed by '\n').
*/
bool ReadMessages(int Fd, vector<string> &List)
{
char Buffer[64000];
- char *End = Buffer;
// Represents any left-over from the previous iteration of the
// parse loop. (i.e., if a message is split across the end
// of the buffer, it goes here)
string PartialMessage;
-
- while (1)
- {
- int Res = read(Fd,End,sizeof(Buffer) - (End-Buffer));
+
+ do {
+ int const Res = read(Fd, Buffer, sizeof(Buffer));
if (Res < 0 && errno == EINTR)
continue;
-
- // Process is dead, this is kind of bad..
+
+ // process we read from has died
if (Res == 0)
return false;
-
+
// No data
- if (Res < 0 && errno == EAGAIN)
+ if (Res < 0 && (errno == EAGAIN || errno == EWOULDBLOCK))
return true;
if (Res < 0)
return false;
-
- End += Res;
-
- // Look for the end of the message
- for (char *I = Buffer; I + 1 < End; I++)
+
+ // extract the message(s) from the buffer
+ char const *Start = Buffer;
+ char const * const End = Buffer + Res;
+
+ char const * NL = (char const *) memchr(Start, '\n', End - Start);
+ if (NL == NULL)
{
- if (I[1] != '\n' ||
- (I[0] != '\n' && strncmp(I, "\r\n\r\n", 4) != 0))
- continue;
-
- // Pull the message out
- string Message(Buffer,I-Buffer);
- PartialMessage += Message;
-
- // Fix up the buffer
- for (; I < End && (*I == '\n' || *I == '\r'); ++I);
- End -= I-Buffer;
- memmove(Buffer,I,End-Buffer);
- I = Buffer;
-
- List.push_back(PartialMessage);
- PartialMessage.clear();
+ // end of buffer: store what we have so far and read new data in
+ PartialMessage.append(Start, End - Start);
+ Start = End;
}
- if (End != Buffer)
- {
- // If there's text left in the buffer, store it
- // in PartialMessage and throw the rest of the buffer
- // away. This allows us to handle messages that
- // are longer than the static buffer size.
- PartialMessage += string(Buffer, End);
- End = Buffer;
- }
else
- {
- // BUG ALERT: if a message block happens to end at a
- // multiple of 64000 characters, this will cause it to
- // terminate early, leading to a badly formed block and
- // probably crashing the method. However, this is the only
- // way we have to find the end of the message block. I have
- // an idea of how to fix this, but it will require changes
- // to the protocol (essentially to mark the beginning and
- // end of the block).
- //
- // -- dburrows 2008-04-02
- return true;
- }
+ ++NL;
+
+ if (PartialMessage.empty() == false && Start < End)
+ {
+ // if we start with a new line, see if the partial message we have ended with one
+ // so that we properly detect records ending between two read() runs
+ // cases are: \n|\n , \r\n|\r\n and \r\n\r|\n
+ // the case \r|\n\r\n is handled by the usual double-newline handling
+ if ((NL - Start) == 1 || ((NL - Start) == 2 && *Start == '\r'))
+ {
+ if (APT::String::Endswith(PartialMessage, "\n") || APT::String::Endswith(PartialMessage, "\r\n\r"))
+ {
+ PartialMessage.erase(PartialMessage.find_last_not_of("\r\n") + 1);
+ List.push_back(PartialMessage);
+ PartialMessage.clear();
+ while (NL < End && (*NL == '\n' || *NL == '\r')) ++NL;
+ Start = NL;
+ }
+ }
+ }
+
+ while (Start < End) {
+ char const * NL2 = (char const *) memchr(NL, '\n', End - NL);
+ if (NL2 == NULL)
+ {
+ // end of buffer: store what we have so far and read new data in
+ PartialMessage.append(Start, End - Start);
+ break;
+ }
+ ++NL2;
+
+ // did we find a double newline?
+ if ((NL2 - NL) == 1 || ((NL2 - NL) == 2 && *NL == '\r'))
+ {
+ PartialMessage.append(Start, NL2 - Start);
+ PartialMessage.erase(PartialMessage.find_last_not_of("\r\n") + 1);
+ List.push_back(PartialMessage);
+ PartialMessage.clear();
+ while (NL2 < End && (*NL2 == '\n' || *NL2 == '\r')) ++NL2;
+ Start = NL2;
+ }
+ NL = NL2;
+ }
+
+ // we have read at least one complete message and nothing left
+ if (PartialMessage.empty() == true)
+ return true;
if (WaitFd(Fd) == false)
return false;
- }
+ } while (true);
}
/*}}}*/
// MonthConv - Converts a month string into a number /*{{{*/
diff --git a/apt-pkg/indexrecords.cc b/apt-pkg/indexrecords.cc
index bf1901e11..e1e9ba657 100644
--- a/apt-pkg/indexrecords.cc
+++ b/apt-pkg/indexrecords.cc
@@ -116,6 +116,9 @@ bool indexRecords::Load(const string Filename) /*{{{*/
indexRecords::checkSum *Sum = new indexRecords::checkSum;
Sum->MetaKeyFilename = Name;
Sum->Size = Size;
+ std::string SizeStr;
+ strprintf(SizeStr, "%llu", Size);
+ Sum->Hashes.push_back(HashString("Checksum-FileSize", SizeStr));
#if __GNUC__ >= 4
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-01 04:19:36 +0000