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-rw-r--r--apt-pkg/contrib/fileutl.cc25
1 files changed, 15 insertions, 10 deletions
diff --git a/apt-pkg/contrib/fileutl.cc b/apt-pkg/contrib/fileutl.cc
index c51f75984..de73a7fd8 100644
--- a/apt-pkg/contrib/fileutl.cc
+++ b/apt-pkg/contrib/fileutl.cc
@@ -1067,13 +1067,6 @@ bool FileFd::Open(string FileName,unsigned int const Mode,APT::Configuration::Co
if_FLAGGED_SET(Exclusive, O_EXCL);
#undef if_FLAGGED_SET
- // umask() will always set the umask and return the previous value, so
- // we first set the umask and then reset it to the old value
- mode_t CurrentUmask = umask(0);
- umask(CurrentUmask);
- // calculate the actual file permissions (just like open/creat)
- mode_t FilePermissions = (AccessMode & ~CurrentUmask);
-
if ((Mode & Atomic) == Atomic)
{
char *name = strdup((FileName + ".XXXXXX").c_str());
@@ -1087,11 +1080,18 @@ bool FileFd::Open(string FileName,unsigned int const Mode,APT::Configuration::Co
TemporaryFileName = string(name);
free(name);
- if(FilePermissions != 600 && fchmod(iFd, FilePermissions) == -1)
+ // umask() will always set the umask and return the previous value, so
+ // we first set the umask and then reset it to the old value
+ mode_t const CurrentUmask = umask(0);
+ umask(CurrentUmask);
+ // calculate the actual file permissions (just like open/creat)
+ mode_t const FilePermissions = (AccessMode & ~CurrentUmask);
+
+ if(fchmod(iFd, FilePermissions) == -1)
return FileFdErrno("fchmod", "Could not change permissions for temporary file %s", TemporaryFileName.c_str());
}
else
- iFd = open(FileName.c_str(), fileflags, FilePermissions);
+ iFd = open(FileName.c_str(), fileflags, AccessMode);
this->FileName = FileName;
if (iFd == -1 || OpenInternDescriptor(Mode, compressor) == false)
@@ -1360,7 +1360,10 @@ bool FileFd::OpenInternDescriptor(unsigned int const Mode, APT::Configuration::C
Args.push_back(a->c_str());
if (Comp == false && FileName.empty() == false)
{
- Args.push_back("--stdout");
+ // commands not needing arguments, do not need to be told about using standard output
+ // in reality, only testcases with tools like cat, rev, rot13, … are able to trigger this
+ if (compressor.CompressArgs.empty() == false && compressor.UncompressArgs.empty() == false)
+ Args.push_back("--stdout");
if (TemporaryFileName.empty() == false)
Args.push_back(TemporaryFileName.c_str());
else
@@ -1653,6 +1656,8 @@ bool FileFd::Write(int Fd, const void *From, unsigned long long Size)
/* */
bool FileFd::Seek(unsigned long long To)
{
+ Flags &= ~HitEof;
+
if (d != NULL && (d->pipe == true || d->InternalStream() == true))
{
// Our poor man seeking in pipes is costly, so try to avoid it