X-Git-Url: https://git.openssl.org/gitweb/?p=openssl.git;a=blobdiff_plain;f=apps%2Fdh.c;h=48fecc996034985640e88bfc3b462b2c9cab5600;hp=becbdb6671a5ed0227e8f7ef06686247d10be4ec;hb=c1559f5046092b542f8033bb8eec8bd88ce0d8f2;hpb=657e60fa00ddde3618600d6306be913214d30457

diff --git a/apps/dh.c b/apps/dh.c
index becbdb6671..48fecc9960 100644
--- a/apps/dh.c
+++ b/apps/dh.c
@@ -1,25 +1,26 @@
 /* apps/dh.c */
+/* obsoleted by dhparam.c */
 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
  * All rights reserved.
  *
  * This package is an SSL implementation written
  * by Eric Young (eay@cryptsoft.com).
  * The implementation was written so as to conform with Netscapes SSL.
- * 
+ *
  * This library is free for commercial and non-commercial use as long as
  * the following conditions are aheared to.  The following conditions
  * apply to all code found in this distribution, be it the RC4, RSA,
  * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
  * included with this distribution is covered by the same copyright terms
  * except that the holder is Tim Hudson (tjh@cryptsoft.com).
- * 
+ *
  * Copyright remains Eric Young's, and as such any Copyright notices in
  * the code are not to be removed.
  * If this package is used in a product, Eric Young should be given attribution
  * as the author of the parts of the library used.
  * This can be in the form of a textual message at program startup or
  * in documentation (online or textual) provided with the package.
- * 
+ *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
@@ -34,10 +35,10 @@
  *     Eric Young (eay@cryptsoft.com)"
  *    The word 'cryptographic' can be left out if the rouines from the library
  *    being used are not cryptographic related :-).
- * 4. If you include any Windows specific code (or a derivative thereof) from 
+ * 4. If you include any Windows specific code (or a derivative thereof) from
  *    the apps directory (application code) you must include an acknowledgement:
  *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
- * 
+ *
  * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
@@ -49,265 +50,288 @@
  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
- * 
+ *
  * The licence and distribution terms for any publically available version or
  * derivative of this code cannot be changed.  i.e. this code cannot simply be
  * copied and put under another distribution licence
  * [including the GNU Public Licence.]
  */
 
-#ifndef NO_DH
-#include <stdio.h>
-#include <stdlib.h>
-#include <time.h>
-#include <string.h>
-#include "apps.h"
-#include <openssl/bio.h>
-#include <openssl/err.h>
-#include <openssl/bn.h>
-#include <openssl/dh.h>
-#include <openssl/x509.h>
-#include <openssl/pem.h>
+#include <openssl/opensslconf.h> /* for OPENSSL_NO_DH */
+#ifndef OPENSSL_NO_DH
+# include <stdio.h>
+# include <stdlib.h>
+# include <time.h>
+# include <string.h>
+# include "apps.h"
+# include <openssl/bio.h>
+# include <openssl/err.h>
+# include <openssl/bn.h>
+# include <openssl/dh.h>
+# include <openssl/x509.h>
+# include <openssl/pem.h>
 
-#undef PROG
-#define PROG	dh_main
+# undef PROG
+# define PROG    dh_main
 
-/* -inform arg	- input format - default PEM (DER or PEM)
+/*-
+ * -inform arg  - input format - default PEM (DER or PEM)
  * -outform arg - output format - default PEM
- * -in arg	- input file - default stdin
- * -out arg	- output file - default stdout
- * -check	- check the parameters are ok
+ * -in arg      - input file - default stdin
+ * -out arg     - output file - default stdout
+ * -check       - check the parameters are ok
  * -noout
  * -text
  * -C
  */
 
+int MAIN(int, char **);
+
 int MAIN(int argc, char **argv)
-	{
-	DH *dh=NULL;
-	int i,badops=0,text=0;
-	BIO *in=NULL,*out=NULL;
-	int informat,outformat,check=0,noout=0,C=0,ret=1;
-	char *infile,*outfile,*prog;
+{
+    DH *dh = NULL;
+    int i, badops = 0, text = 0;
+    BIO *in = NULL, *out = NULL;
+    int informat, outformat, check = 0, noout = 0, C = 0, ret = 1;
+    char *infile, *outfile, *prog;
+# ifndef OPENSSL_NO_ENGINE
+    char *engine;
+# endif
 
-	apps_startup();
+    apps_startup();
 
-	if (bio_err == NULL)
-		if ((bio_err=BIO_new(BIO_s_file())) != NULL)
-			BIO_set_fp(bio_err,stderr,BIO_NOCLOSE|BIO_FP_TEXT);
+    if (bio_err == NULL)
+        if ((bio_err = BIO_new(BIO_s_file())) != NULL)
+            BIO_set_fp(bio_err, stderr, BIO_NOCLOSE | BIO_FP_TEXT);
 
-	infile=NULL;
-	outfile=NULL;
-	informat=FORMAT_PEM;
-	outformat=FORMAT_PEM;
+    if (!load_config(bio_err, NULL))
+        goto end;
 
-	prog=argv[0];
-	argc--;
-	argv++;
-	while (argc >= 1)
-		{
-		if 	(strcmp(*argv,"-inform") == 0)
-			{
-			if (--argc < 1) goto bad;
-			informat=str2fmt(*(++argv));
-			}
-		else if (strcmp(*argv,"-outform") == 0)
-			{
-			if (--argc < 1) goto bad;
-			outformat=str2fmt(*(++argv));
-			}
-		else if (strcmp(*argv,"-in") == 0)
-			{
-			if (--argc < 1) goto bad;
-			infile= *(++argv);
-			}
-		else if (strcmp(*argv,"-out") == 0)
-			{
-			if (--argc < 1) goto bad;
-			outfile= *(++argv);
-			}
-		else if (strcmp(*argv,"-check") == 0)
-			check=1;
-		else if (strcmp(*argv,"-text") == 0)
-			text=1;
-		else if (strcmp(*argv,"-C") == 0)
-			C=1;
-		else if (strcmp(*argv,"-noout") == 0)
-			noout=1;
-		else
-			{
-			BIO_printf(bio_err,"unknown option %s\n",*argv);
-			badops=1;
-			break;
-			}
-		argc--;
-		argv++;
-		}
+# ifndef OPENSSL_NO_ENGINE
+    engine = NULL;
+# endif
+    infile = NULL;
+    outfile = NULL;
+    informat = FORMAT_PEM;
+    outformat = FORMAT_PEM;
 
-	if (badops)
-		{
-bad:
-		BIO_printf(bio_err,"%s [options] <infile >outfile\n",prog);
-		BIO_printf(bio_err,"where options are\n");
-		BIO_printf(bio_err," -inform arg   input format - one of DER PEM\n");
-		BIO_printf(bio_err," -outform arg  output format - one of DER PEM\n");
-		BIO_printf(bio_err," -in arg       input file\n");
-		BIO_printf(bio_err," -out arg      output file\n");
-		BIO_printf(bio_err," -check        check the DH parameters\n");
-		BIO_printf(bio_err," -text         print a text form of the DH parameters\n");
-		BIO_printf(bio_err," -C            Output C code\n");
-		BIO_printf(bio_err," -noout        no output\n");
-		goto end;
-		}
+    prog = argv[0];
+    argc--;
+    argv++;
+    while (argc >= 1) {
+        if (strcmp(*argv, "-inform") == 0) {
+            if (--argc < 1)
+                goto bad;
+            informat = str2fmt(*(++argv));
+        } else if (strcmp(*argv, "-outform") == 0) {
+            if (--argc < 1)
+                goto bad;
+            outformat = str2fmt(*(++argv));
+        } else if (strcmp(*argv, "-in") == 0) {
+            if (--argc < 1)
+                goto bad;
+            infile = *(++argv);
+        } else if (strcmp(*argv, "-out") == 0) {
+            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
+        else if (strcmp(*argv, "-check") == 0)
+            check = 1;
+        else if (strcmp(*argv, "-text") == 0)
+            text = 1;
+        else if (strcmp(*argv, "-C") == 0)
+            C = 1;
+        else if (strcmp(*argv, "-noout") == 0)
+            noout = 1;
+        else {
+            BIO_printf(bio_err, "unknown option %s\n", *argv);
+            badops = 1;
+            break;
+        }
+        argc--;
+        argv++;
+    }
 
-	ERR_load_crypto_strings();
+    if (badops) {
+ bad:
+        BIO_printf(bio_err, "%s [options] <infile >outfile\n", prog);
+        BIO_printf(bio_err, "where options are\n");
+        BIO_printf(bio_err, " -inform arg   input format - one of DER PEM\n");
+        BIO_printf(bio_err,
+                   " -outform arg  output format - one of DER PEM\n");
+        BIO_printf(bio_err, " -in arg       input file\n");
+        BIO_printf(bio_err, " -out arg      output file\n");
+        BIO_printf(bio_err, " -check        check the DH parameters\n");
+        BIO_printf(bio_err,
+                   " -text         print a text form of the DH parameters\n");
+        BIO_printf(bio_err, " -C            Output C code\n");
+        BIO_printf(bio_err, " -noout        no output\n");
+# ifndef OPENSSL_NO_ENGINE
+        BIO_printf(bio_err,
+                   " -engine e     use engine e, possibly a hardware device.\n");
+# endif
+        goto end;
+    }
 
-	in=BIO_new(BIO_s_file());
-	out=BIO_new(BIO_s_file());
-	if ((in == NULL) || (out == NULL))
-		{
-		ERR_print_errors(bio_err);
-		goto end;
-		}
+    ERR_load_crypto_strings();
 
-	if (infile == NULL)
-		BIO_set_fp(in,stdin,BIO_NOCLOSE);
-	else
-		{
-		if (BIO_read_filename(in,infile) <= 0)
-			{
-			perror(infile);
-			goto end;
-			}
-		}
-	if (outfile == NULL)
-		BIO_set_fp(out,stdout,BIO_NOCLOSE);
-	else
-		{
-		if (BIO_write_filename(out,outfile) <= 0)
-			{
-			perror(outfile);
-			goto end;
-			}
-		}
+# ifndef OPENSSL_NO_ENGINE
+    setup_engine(bio_err, engine, 0);
+# endif
 
-	if	(informat == FORMAT_ASN1)
-		dh=d2i_DHparams_bio(in,NULL);
-	else if (informat == FORMAT_PEM)
-		dh=PEM_read_bio_DHparams(in,NULL,NULL,NULL);
-	else
-		{
-		BIO_printf(bio_err,"bad input format specified\n");
-		goto end;
-		}
-	if (dh == NULL)
-		{
-		BIO_printf(bio_err,"unable to load DH parameters\n");
-		ERR_print_errors(bio_err);
-		goto end;
-		}
+    in = BIO_new(BIO_s_file());
+    out = BIO_new(BIO_s_file());
+    if ((in == NULL) || (out == NULL)) {
+        ERR_print_errors(bio_err);
+        goto end;
+    }
 
-	
+    if (infile == NULL)
+        BIO_set_fp(in, stdin, BIO_NOCLOSE);
+    else {
+        if (BIO_read_filename(in, infile) <= 0) {
+            perror(infile);
+            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) {
+            perror(outfile);
+            goto end;
+        }
+    }
 
-	if (text)
-		{
-		DHparams_print(out,dh);
-#ifdef undef
-		printf("p=");
-		BN_print(stdout,dh->p);
-		printf("\ng=");
-		BN_print(stdout,dh->g);
-		printf("\n");
-		if (dh->length != 0)
-			printf("recommended private length=%ld\n",dh->length);
-#endif
-		}
-	
-	if (check)
-		{
-		if (!DH_check(dh,&i))
-			{
-			ERR_print_errors(bio_err);
-			goto end;
-			}
-		if (i & DH_CHECK_P_NOT_PRIME)
-			printf("p value is not prime\n");
-		if (i & DH_CHECK_P_NOT_STRONG_PRIME)
-			printf("p value is not a strong prime\n");
-		if (i & DH_UNABLE_TO_CHECK_GENERATOR)
-			printf("unable to check the generator value\n");
-		if (i & DH_NOT_SUITABLE_GENERATOR)
-			printf("the g value is not a generator\n");
-		if (i == 0)
-			printf("DH parameters appear to be ok.\n");
-		}
-	if (C)
-		{
-		unsigned char *data;
-		int len,l,bits;
+    if (informat == FORMAT_ASN1)
+        dh = d2i_DHparams_bio(in, NULL);
+    else if (informat == FORMAT_PEM)
+        dh = PEM_read_bio_DHparams(in, NULL, NULL, NULL);
+    else {
+        BIO_printf(bio_err, "bad input format specified\n");
+        goto end;
+    }
+    if (dh == NULL) {
+        BIO_printf(bio_err, "unable to load DH parameters\n");
+        ERR_print_errors(bio_err);
+        goto end;
+    }
+
+    if (text) {
+        DHparams_print(out, dh);
+# ifdef undef
+        printf("p=");
+        BN_print(stdout, dh->p);
+        printf("\ng=");
+        BN_print(stdout, dh->g);
+        printf("\n");
+        if (dh->length != 0)
+            printf("recommended private length=%ld\n", dh->length);
+# endif
+    }
+
+    if (check) {
+        if (!DH_check(dh, &i)) {
+            ERR_print_errors(bio_err);
+            goto end;
+        }
+        if (i & DH_CHECK_P_NOT_PRIME)
+            printf("p value is not prime\n");
+        if (i & DH_CHECK_P_NOT_SAFE_PRIME)
+            printf("p value is not a safe prime\n");
+        if (i & DH_UNABLE_TO_CHECK_GENERATOR)
+            printf("unable to check the generator value\n");
+        if (i & DH_NOT_SUITABLE_GENERATOR)
+            printf("the g value is not a generator\n");
+        if (i == 0)
+            printf("DH parameters appear to be ok.\n");
+    }
+    if (C) {
+        unsigned char *data;
+        int len, l, bits;
+
+        len = BN_num_bytes(dh->p);
+        bits = BN_num_bits(dh->p);
+        data = (unsigned char *)OPENSSL_malloc(len);
+        if (data == NULL) {
+            perror("OPENSSL_malloc");
+            goto end;
+        }
+        l = BN_bn2bin(dh->p, data);
+        printf("static unsigned char dh%d_p[]={", bits);
+        for (i = 0; i < l; i++) {
+            if ((i % 12) == 0)
+                printf("\n\t");
+            printf("0x%02X,", data[i]);
+        }
+        printf("\n\t};\n");
 
-		len=BN_num_bytes(dh->p);
-		bits=BN_num_bits(dh->p);
-		data=(unsigned char *)Malloc(len);
-		if (data == NULL)
-			{
-			perror("Malloc");
-			goto end;
-			}
-		l=BN_bn2bin(dh->p,data);
-		printf("static unsigned char dh%d_p[]={",bits);
-		for (i=0; i<l; i++)
-			{
-			if ((i%12) == 0) printf("\n\t");
-			printf("0x%02X,",data[i]);
-			}
-		printf("\n\t};\n");
+        l = BN_bn2bin(dh->g, data);
+        printf("static unsigned char dh%d_g[]={", bits);
+        for (i = 0; i < l; i++) {
+            if ((i % 12) == 0)
+                printf("\n\t");
+            printf("0x%02X,", data[i]);
+        }
+        printf("\n\t};\n\n");
 
-		l=BN_bn2bin(dh->g,data);
-		printf("static unsigned char dh%d_g[]={",bits);
-		for (i=0; i<l; i++)
-			{
-			if ((i%12) == 0) printf("\n\t");
-			printf("0x%02X,",data[i]);
-			}
-		printf("\n\t};\n\n");
+        printf("DH *get_dh%d()\n\t{\n", bits);
+        printf("\tDH *dh;\n\n");
+        printf("\tif ((dh=DH_new()) == NULL) return(NULL);\n");
+        printf("\tdh->p=BN_bin2bn(dh%d_p,sizeof(dh%d_p),NULL);\n",
+               bits, bits);
+        printf("\tdh->g=BN_bin2bn(dh%d_g,sizeof(dh%d_g),NULL);\n",
+               bits, bits);
+        printf("\tif ((dh->p == NULL) || (dh->g == NULL))\n");
+        printf("\t\treturn(NULL);\n");
+        printf("\treturn(dh);\n\t}\n");
+        OPENSSL_free(data);
+    }
 
-		printf("DH *get_dh%d()\n\t{\n",bits);
-		printf("\tDH *dh;\n\n");
-		printf("\tif ((dh=DH_new()) == NULL) return(NULL);\n");
-		printf("\tdh->p=BN_bin2bn(dh%d_p,sizeof(dh%d_p),NULL);\n",
-			bits,bits);
-		printf("\tdh->g=BN_bin2bn(dh%d_g,sizeof(dh%d_g),NULL);\n",
-			bits,bits);
-		printf("\tif ((dh->p == NULL) || (dh->g == NULL))\n");
-		printf("\t\treturn(NULL);\n");
-		printf("\treturn(dh);\n\t}\n");
-		Free(data);
-		}
+    if (!noout) {
+        if (outformat == FORMAT_ASN1)
+            i = i2d_DHparams_bio(out, dh);
+        else if (outformat == FORMAT_PEM)
+            i = PEM_write_bio_DHparams(out, dh);
+        else {
+            BIO_printf(bio_err, "bad output format specified for outfile\n");
+            goto end;
+        }
+        if (!i) {
+            BIO_printf(bio_err, "unable to write DH parameters\n");
+            ERR_print_errors(bio_err);
+            goto end;
+        }
+    }
+    ret = 0;
+ end:
+    if (in != NULL)
+        BIO_free(in);
+    if (out != NULL)
+        BIO_free_all(out);
+    if (dh != NULL)
+        DH_free(dh);
+    apps_shutdown();
+    OPENSSL_EXIT(ret);
+}
+#else                           /* !OPENSSL_NO_DH */
 
+# if PEDANTIC
+static void *dummy = &dummy;
+# endif
 
-	if (!noout)
-		{
-		if 	(outformat == FORMAT_ASN1)
-			i=i2d_DHparams_bio(out,dh);
-		else if (outformat == FORMAT_PEM)
-			i=PEM_write_bio_DHparams(out,dh);
-		else	{
-			BIO_printf(bio_err,"bad output format specified for outfile\n");
-			goto end;
-			}
-		if (!i)
-			{
-			BIO_printf(bio_err,"unable to write DH parameters\n");
-			ERR_print_errors(bio_err);
-			goto end;
-			}
-		}
-	ret=0;
-end:
-	if (in != NULL) BIO_free(in);
-	if (out != NULL) BIO_free(out);
-	if (dh != NULL) DH_free(dh);
-	EXIT(ret);
-	}
 #endif