Demo of use of errors in applications.

[openssl.git] / apps / dsaparam.c

diff --git a/apps/dsaparam.c b/apps/dsaparam.c
index b6abe785abd9aa9a738cc492964cc050f8dfaff7..03e33f9f7eb0fed47f177a4ee52acb6af7368c78 100644 (file)
--- a/apps/dsaparam.c
+++ b/apps/dsaparam.c
@@ -56,6 +56,7 @@
  * [including the GNU Public Licence.]
  */
 
+#include <openssl/opensslconf.h>       /* for OPENSSL_NO_DSA */
 /* Until the key-gen callbacks are modified to use newer prototypes, we allow
  * deprecated functions for openssl-internal code */
 #ifdef OPENSSL_NO_DEPRECATED
@@ -110,7 +111,6 @@ 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;
@@ -118,7 +118,10 @@ int MAIN(int argc, char **argv)
        char *infile,*outfile,*prog,*inrand=NULL;
        int numbits= -1,num,genkey=0;
        int need_rand=0;
+       int non_fips_allow = 0;
+#ifndef OPENSSL_NO_ENGINE
        char *engine=NULL;
+#endif
 #ifdef GENCB_TEST
        int timebomb=0;
 #endif
@@ -162,11 +165,13 @@ 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
 #ifdef GENCB_TEST
                else if(strcmp(*argv, "-timebomb") == 0)
                        {
@@ -191,6 +196,8 @@ int MAIN(int argc, char **argv)
                        }
                else if (strcmp(*argv,"-noout") == 0)
                        noout=1;
+               else if (strcmp(*argv,"-non-fips-allow") == 0)
+                       non_fips_allow = 1;
                else if (sscanf(*argv,"%d",&num) == 1)
                        {
                        /* generate a key */
@@ -221,7 +228,9 @@ bad:
                BIO_printf(bio_err," -noout        no output\n");
                BIO_printf(bio_err," -genkey       generate a DSA key\n");
                BIO_printf(bio_err," -rand         files to use for random number input\n");
+#ifndef OPENSSL_NO_ENGINE
                BIO_printf(bio_err," -engine e     use engine e, possibly a hardware device.\n");
+#endif
 #ifdef GENCB_TEST
                BIO_printf(bio_err," -timebomb n   interrupt keygen after <n> seconds\n");
 #endif
@@ -268,7 +277,9 @@ bad:
                        }
                }
 
-        e = setup_engine(bio_err, engine, 0);
+#ifndef OPENSSL_NO_ENGINE
+        setup_engine(bio_err, engine, 0);
+#endif
 
        if (need_rand)
                {
@@ -289,6 +300,8 @@ bad:
                        BIO_printf(bio_err,"Error allocating DSA object\n");
                        goto end;
                        }
+               if (non_fips_allow)
+                       dsa->flags |= DSA_FLAG_NON_FIPS_ALLOW;
                BIO_printf(bio_err,"Generating DSA parameters, %d bit long prime\n",num);
                BIO_printf(bio_err,"This could take some time\n");
 #ifdef GENCB_TEST
@@ -318,6 +331,7 @@ bad:
                                goto end;
                                }
 #endif
+                       ERR_print_errors(bio_err);
                        BIO_printf(bio_err,"Error, DSA key generation failed\n");
                        goto end;
                        }
@@ -346,12 +360,10 @@ bad:
        if (C)
                {
                unsigned char *data;
-               int l,len,bits_p,bits_q,bits_g;
+               int l,len,bits_p;
 
                len=BN_num_bytes(dsa->p);
                bits_p=BN_num_bits(dsa->p);
-               bits_q=BN_num_bits(dsa->q);
-               bits_g=BN_num_bits(dsa->g);
                data=(unsigned char *)OPENSSL_malloc(len+20);
                if (data == NULL)
                        {
@@ -423,13 +435,21 @@ bad:
 
                assert(need_rand);
                if ((dsakey=DSAparams_dup(dsa)) == NULL) goto end;
-               if (!DSA_generate_key(dsakey)) goto end;
+               if (non_fips_allow)
+                       dsakey->flags |= DSA_FLAG_NON_FIPS_ALLOW;
+               if (!DSA_generate_key(dsakey))
+                       {
+                       ERR_print_errors(bio_err);
+                       DSA_free(dsakey);
+                       goto end;
+                       }
                if      (outformat == FORMAT_ASN1)
                        i=i2d_DSAPrivateKey_bio(out,dsakey);
                else if (outformat == FORMAT_PEM)
                        i=PEM_write_bio_DSAPrivateKey(out,dsakey,NULL,NULL,0,NULL,NULL);
                else    {
                        BIO_printf(bio_err,"bad output format specified for outfile\n");
+                       DSA_free(dsakey);
                        goto end;
                        }
                DSA_free(dsakey);
@@ -464,4 +484,10 @@ static int MS_CALLBACK dsa_cb(int p, int n, BN_GENCB *cb)
 #endif
        return 1;
        }
+#else /* !OPENSSL_NO_DSA */
+
+# if PEDANTIC
+static void *dummy=&dummy;
+# endif
+
 #endif