crypt-gpgme: prevent crash on bad S/MIME signature

Inform the user about the fingerprint being unavailable instead
of crashing if the S/MIME signature is bad.

diff --git a/ncrypt/crypt_gpgme.c b/ncrypt/crypt_gpgme.c
index f05eee90e979b14cb5aaea86aac2c1c3feba77ff..a623d5b4ccdbeba3bf8bf9b2cbabf029674a9762 100644 (file)
--- a/ncrypt/crypt_gpgme.c
+++ b/ncrypt/crypt_gpgme.c
@@ -1531,12 +1531,15 @@ static void print_smime_keyinfo(const char *msg, gpgme_signature_t sig,
   }
   else
   {
-    state_puts(_("KeyID "), s);
     if (sig->fpr)
+    {
+      state_puts(_("KeyID "), s);
       state_puts(sig->fpr, s);
+    }
     else
-      state_puts(_("Unknown"), s);
-
+    {
+      state_puts(_("no signature fingerprint available"), s);
+    }
     state_puts("\n", s);
   }