check return values

[openssl.git] / apps / gendsa.c

diff --git a/apps/gendsa.c b/apps/gendsa.c
index dd83d1bf0f55363da3d23a7782d06027038c0299..1e1e9f3e4c4e672b439873ebc91db05613d12cef 100644 (file)
--- a/apps/gendsa.c
+++ b/apps/gendsa.c
@@ -56,7 +56,7 @@
  * [including the GNU Public Licence.]
  */
 
-#ifndef NO_DSA
+#ifndef OPENSSL_NO_DSA
 #include <stdio.h>
 #include <string.h>
 #include <sys/types.h>
@@ -68,7 +68,6 @@
 #include <openssl/dsa.h>
 #include <openssl/x509.h>
 #include <openssl/pem.h>
-#include <openssl/rand.h>
 
 #define DEFBITS        512
 #undef PROG
@@ -78,13 +77,15 @@ int MAIN(int, char **);
 
 int MAIN(int argc, char **argv)
        {
+       ENGINE *e = NULL;
        DSA *dsa=NULL;
        int ret=1;
        char *outfile=NULL;
-       char *inrand=NULL,*inegd=NULL,*dsaparams=NULL;
+       char *inrand=NULL,*dsaparams=NULL;
        char *passargout = NULL, *passout = NULL;
        BIO *out=NULL,*in=NULL;
-       EVP_CIPHER *enc=NULL;
+       const EVP_CIPHER *enc=NULL;
+       char *engine=NULL;
 
        apps_startup();
 
@@ -92,6 +93,9 @@ 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;
+
        argv++;
        argc--;
        for (;;)
@@ -107,27 +111,35 @@ int MAIN(int argc, char **argv)
                        if (--argc < 1) goto bad;
                        passargout= *(++argv);
                        }
-               else if (strcmp(*argv,"-rand") == 0)
+               else if (strcmp(*argv,"-engine") == 0)
                        {
                        if (--argc < 1) goto bad;
-                       inrand= *(++argv);
+                       engine= *(++argv);
                        }
-               else if (strcmp(*argv,"-egd") == 0)
+               else if (strcmp(*argv,"-rand") == 0)
                        {
                        if (--argc < 1) goto bad;
-                       inegd= *(++argv);
+                       inrand= *(++argv);
                        }
                else if (strcmp(*argv,"-") == 0)
                        goto bad;
-#ifndef NO_DES
+#ifndef OPENSSL_NO_DES
                else if (strcmp(*argv,"-des") == 0)
                        enc=EVP_des_cbc();
                else if (strcmp(*argv,"-des3") == 0)
                        enc=EVP_des_ede3_cbc();
 #endif
-#ifndef NO_IDEA
+#ifndef OPENSSL_NO_IDEA
                else if (strcmp(*argv,"-idea") == 0)
                        enc=EVP_idea_cbc();
+#endif
+#ifndef OPENSSL_NO_AES
+               else if (strcmp(*argv,"-aes128") == 0)
+                       enc=EVP_aes_128_cbc();
+               else if (strcmp(*argv,"-aes192") == 0)
+                       enc=EVP_aes_192_cbc();
+               else if (strcmp(*argv,"-aes256") == 0)
+                       enc=EVP_aes_256_cbc();
 #endif
                else if (**argv != '-' && dsaparams == NULL)
                        {
@@ -144,22 +156,28 @@ int MAIN(int argc, char **argv)
 bad:
                BIO_printf(bio_err,"usage: gendsa [args] dsaparam-file\n");
                BIO_printf(bio_err," -out file - output the key to 'file'\n");
-#ifndef NO_DES
+#ifndef OPENSSL_NO_DES
                BIO_printf(bio_err," -des      - encrypt the generated key with DES in cbc mode\n");
                BIO_printf(bio_err," -des3     - encrypt the generated key with DES in ede cbc mode (168 bit key)\n");
 #endif
-#ifndef NO_IDEA
+#ifndef OPENSSL_NO_IDEA
                BIO_printf(bio_err," -idea     - encrypt the generated key with IDEA in cbc mode\n");
 #endif
+#ifndef OPENSSL_NO_AES
+               BIO_printf(bio_err," -aes128, -aes192, -aes256\n");
+               BIO_printf(bio_err,"                 encrypt PEM output with cbc aes\n");
+#endif
+               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");
-               BIO_printf(bio_err," -egd file - load random seed from EGD socket\n");
                BIO_printf(bio_err," dsaparam-file\n");
                BIO_printf(bio_err,"           - a DSA parameter file as generated by the dsaparam command\n");
                goto end;
                }
 
+        e = setup_engine(bio_err, engine, 0);
+
        if(!app_passwd(bio_err, NULL, passargout, NULL, &passout)) {
                BIO_printf(bio_err, "Error getting password\n");
                goto end;
@@ -185,7 +203,15 @@ bad:
        if (out == NULL) goto end;
 
        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)
@@ -195,16 +221,13 @@ bad:
                        }
                }
 
-       if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL && inegd == NULL)
+       if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL)
                {
                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));
-       if (inegd != NULL)
-               BIO_printf(bio_err,"%ld egd bytes loaded\n",
-                       RAND_egd(inegd));
 
        BIO_printf(bio_err,"Generating DSA key, %d bits\n",
                                                        BN_num_bits(dsa->p));
@@ -219,9 +242,10 @@ end:
        if (ret != 0)
                ERR_print_errors(bio_err);
        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);
        if(passout) OPENSSL_free(passout);
+       apps_shutdown();
        EXIT(ret);
        }
 #endif