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-rw-r--r--apt-pkg/contrib/fileutl.cc5
1 files changed, 4 insertions, 1 deletions
diff --git a/apt-pkg/contrib/fileutl.cc b/apt-pkg/contrib/fileutl.cc
index 09dce4123..ef88f6fdd 100644
--- a/apt-pkg/contrib/fileutl.cc
+++ b/apt-pkg/contrib/fileutl.cc
@@ -916,9 +916,12 @@ bool ChangeOwnerAndPermissionOfFile(char const * const requester, char const * c
// 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)
+ if (pw != NULL && gr != NULL && lchown(file, pw->pw_uid, gr->gr_gid) != 0)
Res &= _error->WarningE(requester, "chown to %s:%s of file %s failed", user, group, file);
}
+ struct stat Buf;
+ if (lstat(file, &Buf) != 0 || S_ISLNK(Buf.st_mode))
+ return Res;
if (chmod(file, mode) != 0)
Res &= _error->WarningE(requester, "chmod 0%o of file %s failed", mode, file);
return Res;