X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=apps%2Fdsaparam.c;h=fe72c1d3dfa8fb5205143f589168c6199987f2b4;hb=39348038df4bb14c2235e9fba07bdcad470feccf;hp=517791620249a5bdd3e8eed37e8c8d0509a372bc;hpb=5270e7025e11b2fd1a5bdf8d81feded1167b1c87;p=oweals%2Fopenssl.git diff --git a/apps/dsaparam.c b/apps/dsaparam.c index 5177916202..fe72c1d3df 100644 --- a/apps/dsaparam.c +++ b/apps/dsaparam.c @@ -56,7 +56,14 @@ * [including the GNU Public Licence.] */ -#ifndef NO_DSA +#include /* 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 +#undef OPENSSL_NO_DEPRECATED +#endif + +#ifndef OPENSSL_NO_DSA #include #include #include @@ -69,7 +76,6 @@ #include #include #include -#include #undef PROG #define PROG dsaparam_main @@ -83,15 +89,28 @@ * -C * -noout * -genkey + * #ifdef GENCB_TEST + * -timebomb n - interrupt keygen after seconds + * #endif */ -static void MS_CALLBACK dsa_cb(int p, int n, void *arg); +#ifdef GENCB_TEST + +static int stop_keygen_flag = 0; + +static 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 **); int MAIN(int argc, char **argv) { - ENGINE *e = NULL; DSA *dsa=NULL; int i,badops=0,text=0; BIO *in=NULL,*out=NULL; @@ -99,7 +118,12 @@ int MAIN(int argc, char **argv) char *infile,*outfile,*prog,*inrand=NULL; int numbits= -1,num,genkey=0; int need_rand=0; +#ifndef OPENSSL_NO_ENGINE char *engine=NULL; +#endif +#ifdef GENCB_TEST + int timebomb=0; +#endif apps_startup(); @@ -107,6 +131,9 @@ 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; @@ -137,11 +164,20 @@ 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) + { + if (--argc < 1) goto bad; + timebomb = atoi(*(++argv)); + } +#endif else if (strcmp(*argv,"-text") == 0) text=1; else if (strcmp(*argv,"-C") == 0) @@ -184,11 +220,17 @@ 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," -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 seconds\n"); +#endif BIO_printf(bio_err," number number of bits to use for generating private key\n"); goto end; } @@ -216,7 +258,7 @@ bad: if (outfile == NULL) { BIO_set_fp(out,stdout,BIO_NOCLOSE); -#ifdef VMS +#ifdef OPENSSL_SYS_VMS { BIO *tmpbio = BIO_new(BIO_f_linebuffer()); out = BIO_push(tmpbio, out); @@ -232,23 +274,9 @@ bad: } } - if (engine != NULL) - { - if((e = ENGINE_by_id(engine)) == NULL) - { - BIO_printf(bio_err,"invalid engine \"%s\"\n", - engine); - goto end; - } - if(!ENGINE_set_default(e, ENGINE_METHOD_ALL)) - { - BIO_printf(bio_err,"can't use that engine\n"); - goto end; - } - BIO_printf(bio_err,"engine \"%s\" set.\n", engine); - /* Free our "structural" reference. */ - ENGINE_free(e); - } +#ifndef OPENSSL_NO_ENGINE + setup_engine(bio_err, engine, 0); +#endif if (need_rand) { @@ -260,10 +288,47 @@ bad: if (numbits > 0) { + BN_GENCB cb; + BN_GENCB_set(&cb, dsa_cb, 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); @@ -289,12 +354,10 @@ 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) { @@ -338,7 +401,7 @@ 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"); } @@ -384,10 +447,11 @@ end: if (in != NULL) BIO_free(in); if (out != NULL) BIO_free_all(out); if (dsa != NULL) DSA_free(dsa); - EXIT(ret); + apps_shutdown(); + 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='*'; @@ -395,10 +459,21 @@ 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; } +#else /* !OPENSSL_NO_DSA */ + +# if PEDANTIC +static void *dummy=&dummy; +# endif + #endif