Generate an error if rewinding wasn't possible.

Notified by Ken Hirsch <kenhirsch@myself.com>.
PR: 23

diff --git a/apps/smime.c b/apps/smime.c
index 83f9371a5826ecda5fb8710c00f17dc408ab984b..ebdac15d067bcaf3815318feafa937a2d90f61a3 100644 (file)
--- a/apps/smime.c
+++ b/apps/smime.c
@@ -414,7 +414,10 @@ int MAIN(int argc, char **argv)
                p7 = PKCS7_encrypt(encerts, in, cipher, flags);
        } else if(operation == SMIME_SIGN) {
                p7 = PKCS7_sign(signer, key, other, in, flags);
-               BIO_reset(in);
+               if (BIO_reset(in) != 0 && (flags & PKCS7_DETACHED)) {
+                 BIO_printf(bio_err, "Can't rewind input file\n");
+                 goto end;
+               }
        } else {
                if(informat == FORMAT_SMIME) 
                        p7 = SMIME_read_PKCS7(in, &indata);