diff options
Diffstat (limited to 'apps/dsaparam.c')
-rw-r--r-- | apps/dsaparam.c | 88 |
1 files changed, 83 insertions, 5 deletions
diff --git a/apps/dsaparam.c b/apps/dsaparam.c index 320d76f632..63e2cab45f 100644 --- a/apps/dsaparam.c +++ b/apps/dsaparam.c @@ -56,6 +56,12 @@ * [including the GNU Public Licence.] */ +/* Until the key-gen callbacks are modified to use newer prototypes, we allow + * deprecated functions for openssl-internal code */ +#ifdef OPENSSL_NO_DEPRECATED +#undef OPENSSL_NO_DEPRECATED +#endif + #ifndef OPENSSL_NO_DSA #include <assert.h> #include <stdio.h> @@ -82,9 +88,23 @@ * -C * -noout * -genkey + * #ifdef GENCB_TEST + * -timebomb n - interrupt keygen after <n> seconds + * #endif */ -static void MS_CALLBACK dsa_cb(int p, int n, void *arg); +#ifdef GENCB_TEST + +static int stop_keygen_flag = 0; + +void timebomb_sigalarm(int foo) + { + stop_keygen_flag = 1; + } + +#endif + +static int MS_CALLBACK dsa_cb(int p, int n, BN_GENCB *cb); int MAIN(int, char **); @@ -99,6 +119,9 @@ int MAIN(int argc, char **argv) int numbits= -1,num,genkey=0; int need_rand=0; char *engine=NULL; +#ifdef GENCB_TEST + int timebomb=0; +#endif apps_startup(); @@ -144,6 +167,13 @@ int MAIN(int argc, char **argv) if (--argc < 1) goto bad; engine = *(++argv); } +#ifdef GENCB_TEST + else if(strcmp(*argv, "-timebomb") == 0) + { + if (--argc < 1) goto bad; + timebomb = atoi(*(++argv)); + } +#endif else if (strcmp(*argv,"-text") == 0) text=1; else if (strcmp(*argv,"-C") == 0) @@ -192,6 +222,9 @@ bad: 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"); +#ifdef GENCB_TEST + BIO_printf(bio_err," -timebomb n interrupt keygen after <n> seconds\n"); +#endif BIO_printf(bio_err," number number of bits to use for generating private key\n"); goto end; } @@ -247,10 +280,50 @@ bad: if (numbits > 0) { + BN_GENCB cb; + cb.ver = 2; + cb.cb_2 = dsa_cb; + cb.arg = bio_err; + assert(need_rand); + dsa = DSA_new(); + if(!dsa) + { + BIO_printf(bio_err,"Error allocating DSA object\n"); + goto end; + } BIO_printf(bio_err,"Generating DSA parameters, %d bit long prime\n",num); BIO_printf(bio_err,"This could take some time\n"); - dsa=DSA_generate_parameters(num,NULL,0,NULL,NULL, dsa_cb,bio_err); +#ifdef GENCB_TEST + if(timebomb > 0) + { + struct sigaction act; + act.sa_handler = timebomb_sigalarm; + act.sa_flags = 0; + BIO_printf(bio_err,"(though I'll stop it if not done within %d secs)\n", + timebomb); + if(sigaction(SIGALRM, &act, NULL) != 0) + { + BIO_printf(bio_err,"Error, couldn't set SIGALRM handler\n"); + goto end; + } + alarm(timebomb); + } +#endif + if(!DSA_generate_parameters_ex(dsa,num,NULL,0,NULL,NULL, &cb)) + { +#ifdef GENCB_TEST + if(stop_keygen_flag) + { + BIO_printf(bio_err,"DSA key generation time-stopped\n"); + /* This is an asked-for behaviour! */ + ret = 0; + goto end; + } +#endif + BIO_printf(bio_err,"Error, DSA key generation failed\n"); + goto end; + } } else if (informat == FORMAT_ASN1) dsa=d2i_DSAparams_bio(in,NULL); @@ -375,7 +448,7 @@ end: OPENSSL_EXIT(ret); } -static void MS_CALLBACK dsa_cb(int p, int n, void *arg) +static int MS_CALLBACK dsa_cb(int p, int n, BN_GENCB *cb) { char c='*'; @@ -383,10 +456,15 @@ static void MS_CALLBACK dsa_cb(int p, int n, void *arg) if (p == 1) c='+'; if (p == 2) c='*'; if (p == 3) c='\n'; - BIO_write(arg,&c,1); - (void)BIO_flush(arg); + BIO_write(cb->arg,&c,1); + (void)BIO_flush(cb->arg); #ifdef LINT p=n; #endif +#ifdef GENCB_TEST + if(stop_keygen_flag) + return 0; +#endif + return 1; } #endif |