Config code updates.
[openssl.git] / apps / gendh.c
index 2790f179fdc30d7174f31d90811c35bcbfb65acd..f2542960bf28be2bb311a750fba474bd2490eb7d 100644 (file)
@@ -1,4 +1,5 @@
 /* apps/gendh.c */
+/* obsoleted by dhparam.c */
 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
  * All rights reserved.
  *
  * [including the GNU Public Licence.]
  */
 
+#ifndef OPENSSL_NO_DH
 #include <stdio.h>
 #include <string.h>
 #include <sys/types.h>
 #include <sys/stat.h>
 #include "apps.h"
-#include "bio.h"
-#include "rand.h"
-#include "err.h"
-#include "bn.h"
-#include "dh.h"
-#include "x509.h"
-#include "pem.h"
+#include <openssl/bio.h>
+#include <openssl/rand.h>
+#include <openssl/err.h>
+#include <openssl/bn.h>
+#include <openssl/dh.h>
+#include <openssl/x509.h>
+#include <openssl/pem.h>
 
 #define DEFBITS        512
 #undef PROG
 #define PROG gendh_main
 
-#ifndef NOPROTO
-static void MS_CALLBACK dh_cb(int p, int n, char *arg);
-static long dh_load_rand(char *names);
-#else
-static void MS_CALLBACK dh_cb();
-static long dh_load_rand();
-#endif
+static void MS_CALLBACK dh_cb(int p, int n, void *arg);
+
+int MAIN(int, char **);
 
-int MAIN(argc, argv)
-int argc;
-char **argv;
+int MAIN(int argc, char **argv)
        {
-       char buffer[200];
+       ENGINE *e = NULL;
        DH *dh=NULL;
        int ret=1,num=DEFBITS;
        int g=2;
        char *outfile=NULL;
-       char *inrand=NULL,*randfile;
+       char *inrand=NULL;
+       char *engine=NULL;
        BIO *out=NULL;
 
        apps_startup();
@@ -99,6 +96,9 @@ 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;
+
        argv++;
        argc--;
        for (;;)
@@ -115,6 +115,11 @@ char **argv;
                        g=3; */
                else if (strcmp(*argv,"-5") == 0)
                        g=5;
+               else if (strcmp(*argv,"-engine") == 0)
+                       {
+                       if (--argc < 1) goto bad;
+                       engine= *(++argv);
+                       }
                else if (strcmp(*argv,"-rand") == 0)
                        {
                        if (--argc < 1) goto bad;
@@ -130,15 +135,18 @@ char **argv;
 bad:
                BIO_printf(bio_err,"usage: gendh [args] [numbits]\n");
                BIO_printf(bio_err," -out file - output the key to 'file\n");
-               BIO_printf(bio_err," -2    use 2 as the generator value\n");
-       /*      BIO_printf(bio_err," -3    use 3 as the generator value\n"); */
-               BIO_printf(bio_err," -5    use 5 as the generator value\n");
-               BIO_printf(bio_err," -rand file:file:...\n");
+               BIO_printf(bio_err," -2        - use 2 as the generator value\n");
+       /*      BIO_printf(bio_err," -3        - use 3 as the generator value\n"); */
+               BIO_printf(bio_err," -5        - use 5 as the generator value\n");
+               BIO_printf(bio_err," -engine e - use engine e, possibly a hardware device.\n");
+               BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
                BIO_printf(bio_err,"           - load the file (or the files in the directory) into\n");
                BIO_printf(bio_err,"             the random number generator\n");
                goto end;
                }
                
+        e = setup_engine(bio_err, engine, 0);
+
        out=BIO_new(BIO_s_file());
        if (out == NULL)
                {
@@ -147,7 +155,15 @@ bad:
                }
 
        if (outfile == NULL)
+               {
                BIO_set_fp(out,stdout,BIO_NOCLOSE);
+#ifdef OPENSSL_SYS_VMS
+               {
+               BIO *tmpbio = BIO_new(BIO_f_linebuffer());
+               out = BIO_push(tmpbio, out);
+               }
+#endif
+               }
        else
                {
                if (BIO_write_filename(out,outfile) <= 0)
@@ -157,28 +173,21 @@ bad:
                        }
                }
 
-       randfile=RAND_file_name(buffer,200);
-       if ((randfile == NULL)|| !RAND_load_file(randfile,1024L*1024L))
-               BIO_printf(bio_err,"unable to load 'random state'\n");
-
-       if (inrand == NULL)
-               BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n");
-       else
+       if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL)
                {
-               BIO_printf(bio_err,"%ld semi-random bytes loaded\n",
-                       dh_load_rand(inrand));
+               BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n");
                }
+       if (inrand != NULL)
+               BIO_printf(bio_err,"%ld semi-random bytes loaded\n",
+                       app_RAND_load_files(inrand));
 
-       BIO_printf(bio_err,"Generating DH parameters, %d bit long strong prime, generator of %d\n",num,g);
+       BIO_printf(bio_err,"Generating DH parameters, %d bit long safe prime, generator %d\n",num,g);
        BIO_printf(bio_err,"This is going to take a long time\n");
-       dh=DH_generate_parameters(num,g,dh_cb,(char *)bio_err);
+       dh=DH_generate_parameters(num,g,dh_cb,bio_err);
                
        if (dh == NULL) goto end;
 
-       if (randfile == NULL)
-               BIO_printf(bio_err,"unable to write 'random state'\n");
-       else
-               RAND_write_file(randfile);
+       app_RAND_write_file(NULL, bio_err);
 
        if (!PEM_write_bio_DHparams(out,dh))
                goto end;
@@ -186,15 +195,13 @@ bad:
 end:
        if (ret != 0)
                ERR_print_errors(bio_err);
-       if (out != NULL) BIO_free(out);
+       if (out != NULL) BIO_free_all(out);
        if (dh != NULL) DH_free(dh);
+       apps_shutdown();
        EXIT(ret);
        }
 
-static void MS_CALLBACK dh_cb(p,n,arg)
-int p;
-int n;
-char *arg;
+static void MS_CALLBACK dh_cb(int p, int n, void *arg)
        {
        char c='*';
 
@@ -203,33 +210,9 @@ char *arg;
        if (p == 2) c='*';
        if (p == 3) c='\n';
        BIO_write((BIO *)arg,&c,1);
-       BIO_flush((BIO *)arg);
+       (void)BIO_flush((BIO *)arg);
 #ifdef LINT
        p=n;
 #endif
        }
-
-static long dh_load_rand(name)
-char *name;
-       {
-       char *p,*n;
-       int last;
-       long tot=0;
-
-       for (;;)
-               {
-               last=0;
-               for (p=name; ((*p != '\0') && (*p != LIST_SEPARATOR_CHAR)); p++);
-               if (*p == '\0') last=1;
-               *p='\0';
-               n=name;
-               name=p+1;
-               if (*n == '\0') break;
-
-               tot+=RAND_load_file(n,1);
-               if (last) break;
-               }
-       return(tot);
-       }
-
-
+#endif