Merge "sign_file: Add sign_file cmd"
diff --git a/src/cmd/sign_file/main.go b/src/cmd/sign_file/main.go
new file mode 100644
index 0000000..876a959
--- /dev/null
+++ b/src/cmd/sign_file/main.go
@@ -0,0 +1,42 @@
+package main
+
+import (
+ "flag"
+ "fmt"
+ "os"
+
+ log "github.com/golang/glog"
+
+ "pkg/modules"
+)
+
+var (
+ rawSigPath = flag.String("rawsig", "", "Path of the raw signature to append to the kernel module. Required.")
+ modulePath = flag.String("module", "", "Path of the kernel module needs to be signed. Required.")
+ outPath = flag.String("outpath", "", "Path of the signed module output destination. The default is to append signature in-place.")
+)
+
+func main() {
+ flag.Parse()
+ if err := checkFlags(); err != nil {
+ log.Errorf("failed to parse flags: %v", err)
+ os.Exit(1)
+ }
+ if err := modules.AppendSignature(*outPath, *modulePath, *rawSigPath); err != nil {
+ log.Errorf("failed to append signature: %v", err)
+ os.Exit(1)
+ }
+}
+
+func checkFlags() error {
+ if *rawSigPath == "" {
+ return fmt.Errorf("flag -rawsig is required")
+ }
+ if *modulePath == "" {
+ return fmt.Errorf("flag -module is required")
+ }
+ if *outPath == "" {
+ outPath = modulePath
+ }
+ return nil
+}
