Add loaded dynamic ENGINEs to list.
[openssl.git] / apps / dh.c
index 7465442..dee9c01 100644 (file)
--- a/apps/dh.c
+++ b/apps/dh.c
@@ -57,7 +57,8 @@
  * [including the GNU Public Licence.]
  */
 
-#ifndef NO_DH
+#include <openssl/opensslconf.h>       /* for OPENSSL_NO_DH */
+#ifndef OPENSSL_NO_DH
 #include <stdio.h>
 #include <stdlib.h>
 #include <time.h>
@@ -92,6 +93,9 @@ int MAIN(int argc, char **argv)
        BIO *in=NULL,*out=NULL;
        int informat,outformat,check=0,noout=0,C=0,ret=1;
        char *infile,*outfile,*prog;
+#ifndef OPENSSL_NO_ENGINE
+       char *engine;
+#endif
 
        apps_startup();
 
@@ -99,6 +103,12 @@ int MAIN(int argc, char **argv)
                if ((bio_err=BIO_new(BIO_s_file())) != NULL)
                        BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT);
 
+       if (!load_config(bio_err, NULL))
+               goto end;
+
+#ifndef OPENSSL_NO_ENGINE
+       engine=NULL;
+#endif
        infile=NULL;
        outfile=NULL;
        informat=FORMAT_PEM;
@@ -129,6 +139,13 @@ int MAIN(int argc, char **argv)
                        if (--argc < 1) goto bad;
                        outfile= *(++argv);
                        }
+#ifndef OPENSSL_NO_ENGINE
+               else if (strcmp(*argv,"-engine") == 0)
+                       {
+                       if (--argc < 1) goto bad;
+                       engine= *(++argv);
+                       }
+#endif
                else if (strcmp(*argv,"-check") == 0)
                        check=1;
                else if (strcmp(*argv,"-text") == 0)
@@ -160,11 +177,18 @@ bad:
                BIO_printf(bio_err," -text         print a text form of the DH parameters\n");
                BIO_printf(bio_err," -C            Output C code\n");
                BIO_printf(bio_err," -noout        no output\n");
+#ifndef OPENSSL_NO_ENGINE
+               BIO_printf(bio_err," -engine e     use engine e, possibly a hardware device.\n");
+#endif
                goto end;
                }
 
        ERR_load_crypto_strings();
 
+#ifndef OPENSSL_NO_ENGINE
+        setup_engine(bio_err, engine, 0);
+#endif
+
        in=BIO_new(BIO_s_file());
        out=BIO_new(BIO_s_file());
        if ((in == NULL) || (out == NULL))
@@ -186,7 +210,7 @@ bad:
        if (outfile == NULL)
                {
                BIO_set_fp(out,stdout,BIO_NOCLOSE);
-#ifdef VMS
+#ifdef OPENSSL_SYS_VMS
                {
                BIO *tmpbio = BIO_new(BIO_f_linebuffer());
                out = BIO_push(tmpbio, out);
@@ -319,6 +343,13 @@ end:
        if (in != NULL) BIO_free(in);
        if (out != NULL) BIO_free_all(out);
        if (dh != NULL) DH_free(dh);
-       EXIT(ret);
+       apps_shutdown();
+       OPENSSL_EXIT(ret);
        }
+#else /* !OPENSSL_NO_DH */
+
+# if PEDANTIC
+static void *dummy=&dummy;
+# endif
+
 #endif