Only use DSA-functions if available.
[openssl.git] / apps / dsaparam.c
index 7e3b12e..2f43680 100644 (file)
@@ -56,7 +56,7 @@
  * [including the GNU Public Licence.]
  */
 
-#ifndef NO_DSA
+#ifndef OPENSSL_NO_DSA
 #include <assert.h>
 #include <stdio.h>
 #include <stdlib.h>
@@ -69,7 +69,6 @@
 #include <openssl/dsa.h>
 #include <openssl/x509.h>
 #include <openssl/pem.h>
-#include <openssl/rand.h>
 
 #undef PROG
 #define PROG   dsaparam_main
@@ -91,13 +90,15 @@ 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;
        int informat,outformat,noout=0,C=0,ret=1;
-       char *infile,*outfile,*prog,*inrand=NULL,*inegd=NULL;
+       char *infile,*outfile,*prog,*inrand=NULL;
        int numbits= -1,num,genkey=0;
        int need_rand=0;
+       char *engine=NULL;
 
        apps_startup();
 
@@ -105,6 +106,9 @@ 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;
+
        infile=NULL;
        outfile=NULL;
        informat=FORMAT_PEM;
@@ -135,6 +139,11 @@ 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)
@@ -150,12 +159,6 @@ int MAIN(int argc, char **argv)
                        inrand= *(++argv);
                        need_rand=1;
                        }
-               else if (strcmp(*argv,"-egd") == 0)
-                       {
-                       if (--argc < 1) goto bad;
-                       inegd= *(++argv);
-                       need_rand=1;
-                       }
                else if (strcmp(*argv,"-noout") == 0)
                        noout=1;
                else if (sscanf(*argv,"%d",&num) == 1)
@@ -183,13 +186,12 @@ bad:
                BIO_printf(bio_err," -outform arg  output format - DER or PEM\n");
                BIO_printf(bio_err," -in arg       input file\n");
                BIO_printf(bio_err," -out arg      output file\n");
-               BIO_printf(bio_err," -text         print the key in text\n");
+               BIO_printf(bio_err," -text         print as text\n");
                BIO_printf(bio_err," -C            Output C code\n");
                BIO_printf(bio_err," -noout        no output\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");
-               BIO_printf(bio_err," -egd file     load random seed from EGD socket\n");
+               BIO_printf(bio_err," -genkey       generate a DSA key\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;
                }
@@ -215,7 +217,15 @@ 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)
@@ -225,16 +235,14 @@ bad:
                        }
                }
 
+        e = setup_engine(bio_err, engine, 0);
+
        if (need_rand)
                {
-               app_RAND_load_file(NULL, bio_err,
-                       (inrand != NULL || inegd != NULL));
+               app_RAND_load_file(NULL, bio_err, (inrand != NULL));
                if (inrand != NULL)
                        BIO_printf(bio_err,"%ld semi-random bytes loaded\n",
                                app_RAND_load_files(inrand));
-               if (inegd != NULL)
-                       BIO_printf(bio_err,"%ld egd bytes loaded\n",
-                               RAND_egd(inegd));
                }
 
        if (numbits > 0)
@@ -317,7 +325,7 @@ bad:
                printf("\tdsa->g=BN_bin2bn(dsa%d_g,sizeof(dsa%d_g),NULL);\n",
                        bits_p,bits_p);
                printf("\tif ((dsa->p == NULL) || (dsa->q == NULL) || (dsa->g == NULL))\n");
-               printf("\t\treturn(NULL);\n");
+               printf("\t\t{ DSA_free(dsa); return(NULL); }\n");
                printf("\treturn(dsa);\n\t}\n");
                }
 
@@ -361,8 +369,9 @@ bad:
        ret=0;
 end:
        if (in != NULL) BIO_free(in);
-       if (out != NULL) BIO_free(out);
+       if (out != NULL) BIO_free_all(out);
        if (dsa != NULL) DSA_free(dsa);
+       apps_shutdown();
        EXIT(ret);
        }