kernel.bbclass: do not use insecure tmpnam() function for generating unique names

diff --git a/classes/kernel.bbclass b/classes/kernel.bbclass
index e8f2fb6..c864782 100644 (file)
--- a/classes/kernel.bbclass
+++ b/classes/kernel.bbclass
@@ -293,8 +293,9 @@ module_conf_rfcomm = "alias bt-proto-3 rfcomm"
 
 python populate_packages_prepend () {
        def extract_modinfo(file):
-               import os, re
-               tmpfile = os.tmpnam()
+               import tempfile, os, re
+               tempfile.tempdir = bb.data.getVar("WORKDIR", d, 1)
+               tmpfile = tempfile.mkstemp()[1]
                cmd = "PATH=\"%s\" %sobjcopy -j .modinfo -O binary %s %s" % (bb.data.getVar("PATH", d, 1), bb.data.getVar("HOST_PREFIX", d, 1) or "", file, tmpfile)
                os.system(cmd)
                f = open(tmpfile)