Use the engine part properly.

diff --git a/apps/dsaparam.c b/apps/dsaparam.c
index 8d0150b64cbaa7fbc6f3b3b931dd13694ad4690f..517791620249a5bdd3e8eed37e8c8d0509a372bc 100644 (file)
--- a/apps/dsaparam.c
+++ b/apps/dsaparam.c
@@ -91,6 +91,7 @@ int MAIN(int, char **);
 
 int MAIN(int argc, char **argv)
        {
+       ENGINE *e = NULL;
        DSA *dsa=NULL;
        int i,badops=0,text=0;
        BIO *in=NULL,*out=NULL;
@@ -98,6 +99,7 @@ int MAIN(int argc, char **argv)
        char *infile,*outfile,*prog,*inrand=NULL;
        int numbits= -1,num,genkey=0;
        int need_rand=0;
+       char *engine=NULL;
 
        apps_startup();
 
@@ -135,6 +137,11 @@ int MAIN(int argc, char **argv)
                        if (--argc < 1) goto bad;
                        outfile= *(++argv);
                        }
+               else if(strcmp(*argv, "-engine") == 0)
+                       {
+                       if (--argc < 1) goto bad;
+                       engine = *(++argv);
+                       }
                else if (strcmp(*argv,"-text") == 0)
                        text=1;
                else if (strcmp(*argv,"-C") == 0)
@@ -181,6 +188,7 @@ bad:
                BIO_printf(bio_err," -C            Output C code\n");
                BIO_printf(bio_err," -noout        no output\n");
                BIO_printf(bio_err," -rand         files to use for random number input\n");
+               BIO_printf(bio_err," -engine e     use engine e, possibly a hardware device.\n");
                BIO_printf(bio_err," number        number of bits to use for generating private key\n");
                goto end;
                }
@@ -224,6 +232,24 @@ bad:
                        }
                }
 
+       if (engine != NULL)
+               {
+               if((e = ENGINE_by_id(engine)) == NULL)
+                       {
+                       BIO_printf(bio_err,"invalid engine \"%s\"\n",
+                               engine);
+                       goto end;
+                       }
+               if(!ENGINE_set_default(e, ENGINE_METHOD_ALL))
+                       {
+                       BIO_printf(bio_err,"can't use that engine\n");
+                       goto end;
+                       }
+               BIO_printf(bio_err,"engine \"%s\" set.\n", engine);
+               /* Free our "structural" reference. */
+               ENGINE_free(e);
+               }
+
        if (need_rand)
                {
                app_RAND_load_file(NULL, bio_err, (inrand != NULL));