Head

GCC Code Coverage Report

Directory:	./		Exec	Total	Coverage
File:	usr.bin/openssl/gendsa.c	Lines:	65	85	76.5 %
Date:	2017-11-07	Branches:	38	60	63.3 %


/* $OpenBSD: gendsa.c,v 1.8 2017/01/20 08:57:12 deraadt Exp $ */
/* 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:
 * 1. Redistributions of source code must retain the copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *    "This product includes cryptographic software written by
 *     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
 *    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
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * 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.]
 */

#include <openssl/opensslconf.h>	/* for OPENSSL_NO_DSA */


#include <sys/types.h>
#include <sys/stat.h>

#include <stdio.h>
#include <string.h>

#include "apps.h"

#include <openssl/bio.h>
#include <openssl/bn.h>
#include <openssl/dsa.h>
#include <openssl/err.h>
#include <openssl/pem.h>
#include <openssl/x509.h>

int
gendsa_main(int argc, char **argv)
{
	DSA *dsa = NULL;
	int ret = 1;
	char *outfile = NULL;
	char *dsaparams = NULL;
	char *passargout = NULL, *passout = NULL;
	BIO *out = NULL, *in = NULL;
	const EVP_CIPHER *enc = NULL;

	if (single_execution) {
		if (pledge("stdio cpath wpath rpath tty flock", NULL) == -1) {
			perror("pledge");
			exit(1);
		}
	}

	argv++;
	argc--;
	for (;;) {
		if (argc <= 0)
			break;
		if (strcmp(*argv, "-out") == 0) {
			if (--argc < 1)
				goto bad;
			outfile = *(++argv);
		} else if (strcmp(*argv, "-passout") == 0) {
			if (--argc < 1)
				goto bad;
			passargout = *(++argv);
		}
		else if (strcmp(*argv, "-") == 0)
			goto bad;
#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 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
#ifndef OPENSSL_NO_CAMELLIA
		else if (strcmp(*argv, "-camellia128") == 0)
			enc = EVP_camellia_128_cbc();
		else if (strcmp(*argv, "-camellia192") == 0)
			enc = EVP_camellia_192_cbc();
		else if (strcmp(*argv, "-camellia256") == 0)
			enc = EVP_camellia_256_cbc();
#endif
		else if (**argv != '-' && dsaparams == NULL) {
			dsaparams = *argv;
		} else
			goto bad;
		argv++;
		argc--;
	}

	if (dsaparams == NULL) {
bad:
		BIO_printf(bio_err, "usage: gendsa [args] dsaparam-file\n");
		BIO_printf(bio_err, " -out file - output the key to 'file'\n");
#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 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
#ifndef OPENSSL_NO_CAMELLIA
		BIO_printf(bio_err, " -camellia128, -camellia192, -camellia256\n");
		BIO_printf(bio_err, "                 encrypt PEM output with cbc camellia\n");
#endif
		BIO_printf(bio_err, " dsaparam-file\n");
		BIO_printf(bio_err, "           - a DSA parameter file as generated by the dsaparam command\n");
		goto end;
	}
	if (!app_passwd(bio_err, NULL, passargout, NULL, &passout)) {
		BIO_printf(bio_err, "Error getting password\n");
		goto end;
	}
	in = BIO_new(BIO_s_file());
	if (!(BIO_read_filename(in, dsaparams))) {
		perror(dsaparams);
		goto end;
	}
	if ((dsa = PEM_read_bio_DSAparams(in, NULL, NULL, NULL)) == NULL) {
		BIO_printf(bio_err, "unable to load DSA parameter file\n");
		goto end;
	}
	BIO_free(in);
	in = NULL;

	out = BIO_new(BIO_s_file());
	if (out == NULL)
		goto end;

	if (outfile == NULL) {
		BIO_set_fp(out, stdout, BIO_NOCLOSE);
	} else {
		if (BIO_write_filename(out, outfile) <= 0) {
			perror(outfile);
			goto end;
		}
	}

	BIO_printf(bio_err, "Generating DSA key, %d bits\n",
	    BN_num_bits(dsa->p));
	if (!DSA_generate_key(dsa))
		goto end;

	if (!PEM_write_bio_DSAPrivateKey(out, dsa, enc, NULL, 0, NULL, passout))
		goto end;
	ret = 0;
end:
	if (ret != 0)
		ERR_print_errors(bio_err);
	BIO_free(in);
	if (out != NULL)
		BIO_free_all(out);
	if (dsa != NULL)
		DSA_free(dsa);
	free(passout);

	return (ret);
}


Generated by: GCOVR (Version 3.3)

Line	Branch	Exec	Source
1			/* $OpenBSD: gendsa.c,v 1.8 2017/01/20 08:57:12 deraadt Exp $ */
2			/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
3			* All rights reserved.
4			*
5			* This package is an SSL implementation written
6			* by Eric Young (eay@cryptsoft.com).
7			* The implementation was written so as to conform with Netscapes SSL.
8			*
9			* This library is free for commercial and non-commercial use as long as
10			* the following conditions are aheared to. The following conditions
11			* apply to all code found in this distribution, be it the RC4, RSA,
12			* lhash, DES, etc., code; not just the SSL code. The SSL documentation
13			* included with this distribution is covered by the same copyright terms
14			* except that the holder is Tim Hudson (tjh@cryptsoft.com).
15			*
16			* Copyright remains Eric Young's, and as such any Copyright notices in
17			* the code are not to be removed.
18			* If this package is used in a product, Eric Young should be given attribution
19			* as the author of the parts of the library used.
20			* This can be in the form of a textual message at program startup or
21			* in documentation (online or textual) provided with the package.
22			*
23			* Redistribution and use in source and binary forms, with or without
24			* modification, are permitted provided that the following conditions
25			* are met:
26			* 1. Redistributions of source code must retain the copyright
27			* notice, this list of conditions and the following disclaimer.
28			* 2. Redistributions in binary form must reproduce the above copyright
29			* notice, this list of conditions and the following disclaimer in the
30			* documentation and/or other materials provided with the distribution.
31			* 3. All advertising materials mentioning features or use of this software
32			* must display the following acknowledgement:
33			* "This product includes cryptographic software written by
34			* Eric Young (eay@cryptsoft.com)"
35			* The word 'cryptographic' can be left out if the rouines from the library
36			* being used are not cryptographic related :-).
37			* 4. If you include any Windows specific code (or a derivative thereof) from
38			* the apps directory (application code) you must include an acknowledgement:
39			* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
40			*
41			* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
42			* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
43			* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
44			* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
45			* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
46			* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
47			* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48			* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
49			* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
50			* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
51			* SUCH DAMAGE.
52			*
53			* The licence and distribution terms for any publically available version or
54			* derivative of this code cannot be changed. i.e. this code cannot simply be
55			* copied and put under another distribution licence
56			* [including the GNU Public Licence.]
57			*/
58
59			#include <openssl/opensslconf.h> /* for OPENSSL_NO_DSA */
60
61
62			#include <sys/types.h>
63			#include <sys/stat.h>
64
65			#include <stdio.h>
66			#include <string.h>
67
68			#include "apps.h"
69
70			#include <openssl/bio.h>
71			#include <openssl/bn.h>
72			#include <openssl/dsa.h>
73			#include <openssl/err.h>
74			#include <openssl/pem.h>
75			#include <openssl/x509.h>
76
77			int
78			gendsa_main(int argc, char **argv)
79			{
80			DSA *dsa = NULL;
81			int ret = 1;
82			char *outfile = NULL;
83			char *dsaparams = NULL;
84		32	char passargout = NULL, passout = NULL;
85			BIO out = NULL, in = NULL;
86			const EVP_CIPHER *enc = NULL;
87
88	✓✗	16	if (single_execution) {
89	✗✓	16	if (pledge("stdio cpath wpath rpath tty flock", NULL) == -1) {
90			perror("pledge");
91			exit(1);
92			}
93			}
94
95		16	argv++;
96		16	argc--;
97		48	for (;;) {
98	✓✓	48	if (argc <= 0)
99			break;
100	✓✓	40	if (strcmp(*argv, "-out") == 0) {
101	✓✗	8	if (--argc < 1)
102			goto bad;
103		8	outfile = *(++argv);
104	✓✓	40	} else if (strcmp(*argv, "-passout") == 0) {
105	✓✗	8	if (--argc < 1)
106			goto bad;
107		8	passargout = *(++argv);
108		8	}
109	✓✗	24	else if (strcmp(*argv, "-") == 0)
110			goto bad;
111			#ifndef OPENSSL_NO_DES
112	✗✓	24	else if (strcmp(*argv, "-des") == 0)
113			enc = EVP_des_cbc();
114	✓✓	24	else if (strcmp(*argv, "-des3") == 0)
115		8	enc = EVP_des_ede3_cbc();
116			#endif
117			#ifndef OPENSSL_NO_IDEA
118	✗✓	16	else if (strcmp(*argv, "-idea") == 0)
119			enc = EVP_idea_cbc();
120			#endif
121			#ifndef OPENSSL_NO_AES
122	✗✓	16	else if (strcmp(*argv, "-aes128") == 0)
123			enc = EVP_aes_128_cbc();
124	✗✓	16	else if (strcmp(*argv, "-aes192") == 0)
125			enc = EVP_aes_192_cbc();
126	✗✓	16	else if (strcmp(*argv, "-aes256") == 0)
127			enc = EVP_aes_256_cbc();
128			#endif
129			#ifndef OPENSSL_NO_CAMELLIA
130	✗✓	16	else if (strcmp(*argv, "-camellia128") == 0)
131			enc = EVP_camellia_128_cbc();
132	✗✓	16	else if (strcmp(*argv, "-camellia192") == 0)
133			enc = EVP_camellia_192_cbc();
134	✗✓	16	else if (strcmp(*argv, "-camellia256") == 0)
135			enc = EVP_camellia_256_cbc();
136			#endif
137	✓✓	16	else if (**argv != '-' && dsaparams == NULL) {
138			dsaparams = *argv;
139			} else
140			goto bad;
141		32	argv++;
142		32	argc--;
143			}
144
145	✗✓	8	if (dsaparams == NULL) {
146			bad:
147		8	BIO_printf(bio_err, "usage: gendsa [args] dsaparam-file\n");
148		8	BIO_printf(bio_err, " -out file - output the key to 'file'\n");
149			#ifndef OPENSSL_NO_DES
150		8	BIO_printf(bio_err, " -des - encrypt the generated key with DES in cbc mode\n");
151		8	BIO_printf(bio_err, " -des3 - encrypt the generated key with DES in ede cbc mode (168 bit key)\n");
152			#endif
153			#ifndef OPENSSL_NO_IDEA
154		8	BIO_printf(bio_err, " -idea - encrypt the generated key with IDEA in cbc mode\n");
155			#endif
156			#ifndef OPENSSL_NO_AES
157		8	BIO_printf(bio_err, " -aes128, -aes192, -aes256\n");
158		8	BIO_printf(bio_err, " encrypt PEM output with cbc aes\n");
159			#endif
160			#ifndef OPENSSL_NO_CAMELLIA
161		8	BIO_printf(bio_err, " -camellia128, -camellia192, -camellia256\n");
162		8	BIO_printf(bio_err, " encrypt PEM output with cbc camellia\n");
163			#endif
164		8	BIO_printf(bio_err, " dsaparam-file\n");
165		8	BIO_printf(bio_err, " - a DSA parameter file as generated by the dsaparam command\n");
166		8	goto end;
167			}
168	✗✓	8	if (!app_passwd(bio_err, NULL, passargout, NULL, &passout)) {
169			BIO_printf(bio_err, "Error getting password\n");
170			goto end;
171			}
172		8	in = BIO_new(BIO_s_file());
173	✗✓	8	if (!(BIO_read_filename(in, dsaparams))) {
174			perror(dsaparams);
175			goto end;
176			}
177	✗✓	8	if ((dsa = PEM_read_bio_DSAparams(in, NULL, NULL, NULL)) == NULL) {
178			BIO_printf(bio_err, "unable to load DSA parameter file\n");
179			goto end;
180			}
181		8	BIO_free(in);
182			in = NULL;
183
184		8	out = BIO_new(BIO_s_file());
185	✓✗	8	if (out == NULL)
186			goto end;
187
188	✗✓	8	if (outfile == NULL) {
189			BIO_set_fp(out, stdout, BIO_NOCLOSE);
190			} else {
191	✗✓	8	if (BIO_write_filename(out, outfile) <= 0) {
192			perror(outfile);
193			goto end;
194			}
195			}
196
197		16	BIO_printf(bio_err, "Generating DSA key, %d bits\n",
198		8	BN_num_bits(dsa->p));
199	✓✗	8	if (!DSA_generate_key(dsa))
200			goto end;
201
202	✓✗	8	if (!PEM_write_bio_DSAPrivateKey(out, dsa, enc, NULL, 0, NULL, passout))
203			goto end;
204		8	ret = 0;
205			end:
206	✓✓	16	if (ret != 0)
207		8	ERR_print_errors(bio_err);
208		16	BIO_free(in);
209	✓✓	16	if (out != NULL)
210		8	BIO_free_all(out);
211	✓✓	16	if (dsa != NULL)
212		8	DSA_free(dsa);
213		16	free(passout);
214
215		16	return (ret);
216		16	}