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-rw-r--r--apt-pkg/contrib/fileutl.cc22
1 files changed, 16 insertions, 6 deletions
diff --git a/apt-pkg/contrib/fileutl.cc b/apt-pkg/contrib/fileutl.cc
index 47a91c294..4806ae3f9 100644
--- a/apt-pkg/contrib/fileutl.cc
+++ b/apt-pkg/contrib/fileutl.cc
@@ -946,9 +946,6 @@ bool FileFd::Open(string FileName,unsigned int const Mode,APT::Configuration::Co
if ((Mode & Atomic) == Atomic)
{
Flags |= Replace;
- char *name = strdup((FileName + ".XXXXXX").c_str());
- TemporaryFileName = string(mktemp(name));
- free(name);
}
else if ((Mode & (Exclusive | Create)) == (Exclusive | Create))
{
@@ -971,11 +968,24 @@ bool FileFd::Open(string FileName,unsigned int const Mode,APT::Configuration::Co
if_FLAGGED_SET(Create, O_CREAT);
if_FLAGGED_SET(Empty, O_TRUNC);
if_FLAGGED_SET(Exclusive, O_EXCL);
- else if_FLAGGED_SET(Atomic, O_EXCL);
#undef if_FLAGGED_SET
- if (TemporaryFileName.empty() == false)
- iFd = open(TemporaryFileName.c_str(), fileflags, Perms);
+ if ((Mode & Atomic) == Atomic)
+ {
+ char *name = strdup((FileName + ".XXXXXX").c_str());
+
+ if((iFd = mkstemp(name)) == -1)
+ {
+ free(name);
+ return FileFdErrno("mkostemp", "Could not create temporary file for %s", FileName.c_str());
+ }
+
+ TemporaryFileName = string(name);
+ free(name);
+
+ if(Perms != 600 && fchmod(iFd, Perms) == -1)
+ return FileFdErrno("fchmod", "Could not change permissions for temporary file %s", TemporaryFileName.c_str());
+ }
else
iFd = open(FileName.c_str(), fileflags, Perms);