Add -show_chain option to print out verified chain.
[openssl.git] / apps / dh.c
index 07f3873f6642373240b5d4dfcddc66c0b3e9f887..dee9c01fcec1e10419cccc6549f70b467666c6a5 100644 (file)
--- a/apps/dh.c
+++ b/apps/dh.c
@@ -57,6 +57,7 @@
  * [including the GNU Public Licence.]
  */
 
+#include <openssl/opensslconf.h>       /* for OPENSSL_NO_DH */
 #ifndef OPENSSL_NO_DH
 #include <stdio.h>
 #include <stdlib.h>
@@ -69,7 +70,6 @@
 #include <openssl/dh.h>
 #include <openssl/x509.h>
 #include <openssl/pem.h>
-#include <openssl/engine.h>
 
 #undef PROG
 #define PROG   dh_main
@@ -88,12 +88,14 @@ int MAIN(int, char **);
 
 int MAIN(int argc, char **argv)
        {
-       ENGINE *e = NULL;
        DH *dh=NULL;
        int i,badops=0,text=0;
        BIO *in=NULL,*out=NULL;
        int informat,outformat,check=0,noout=0,C=0,ret=1;
-       char *infile,*outfile,*prog,*engine;
+       char *infile,*outfile,*prog;
+#ifndef OPENSSL_NO_ENGINE
+       char *engine;
+#endif
 
        apps_startup();
 
@@ -101,7 +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;
@@ -132,11 +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)
@@ -168,29 +177,17 @@ 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();
 
-       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);
-               }
+#ifndef OPENSSL_NO_ENGINE
+        setup_engine(bio_err, engine, 0);
+#endif
 
        in=BIO_new(BIO_s_file());
        out=BIO_new(BIO_s_file());
@@ -213,7 +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);
@@ -346,6 +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