Head

GCC Code Coverage Report

Directory:	./		Exec	Total	Coverage
File:	usr.bin/openssl/dsa.c	Lines:	61	107	57.0 %
Date:	2017-11-13	Branches:	29	58	50.0 %


/* $OpenBSD: dsa.c,v 1.9 2017/01/20 08:57:11 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 <ctype.h>
#include <stdio.h>
#include <stdlib.h>
#include <time.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/evp.h>
#include <openssl/pem.h>
#include <openssl/x509.h>

static struct {
	const EVP_CIPHER *enc;
	char *infile;
	int informat;
	int modulus;
	int noout;
	char *outfile;
	int outformat;
	char *passargin;
	char *passargout;
	int pubin;
	int pubout;
	int pvk_encr;
	int text;
} dsa_config;

static int
dsa_opt_enc(int argc, char **argv, int *argsused)
{
	char *name = argv[0];

	if (*name++ != '-')
		return (1);

	if ((dsa_config.enc = EVP_get_cipherbyname(name)) != NULL) {
		*argsused = 1;
		return (0);
	}

	return (1);
}

static struct option dsa_options[] = {
	{
		.name = "in",
		.argname = "file",
		.desc = "Input file (default stdin)",
		.type = OPTION_ARG,
		.opt.arg = &dsa_config.infile,
	},
	{
		.name = "inform",
		.argname = "format",
		.desc = "Input format (PEM (default) or any other supported"
		    " format)",
		.type = OPTION_ARG_FORMAT,
		.opt.value = &dsa_config.informat,
	},
	{
		.name = "noout",
		.desc = "No output",
		.type = OPTION_FLAG,
		.opt.flag = &dsa_config.noout,
	},
	{
		.name = "out",
		.argname = "file",
		.desc = "Output file (default stdout)",
		.type = OPTION_ARG,
		.opt.arg = &dsa_config.outfile,
	},
	{
		.name = "outform",
		.argname = "format",
		.desc = "Output format (DER, MSBLOB, PEM (default) or PVK)",
		.type = OPTION_ARG_FORMAT,
		.opt.value = &dsa_config.outformat,
	},
	{
		.name = "passin",
		.argname = "source",
		.desc = "Input file passphrase source",
		.type = OPTION_ARG,
		.opt.arg = &dsa_config.passargin,
	},
	{
		.name = "passout",
		.argname = "source",
		.desc = "Output file passphrase source",
		.type = OPTION_ARG,
		.opt.arg = &dsa_config.passargout,
	},
	{
		.name = "pubin",
		.desc = "Read a public key from the input file instead of"
		    " private key",
		.type = OPTION_FLAG,
		.opt.flag = &dsa_config.pubin,
	},
	{
		.name = "pubout",
		.desc = "Output a public key instead of private key",
		.type = OPTION_FLAG,
		.opt.flag = &dsa_config.pubout,
	},
	{
		.name = "pvk-none",
		.desc = "PVK encryption level",
		.type = OPTION_VALUE,
		.value = 0,
		.opt.value = &dsa_config.pvk_encr,
	},
	{
		.name = "pvk-strong",
		.desc = "PVK encryption level (default)",
		.type = OPTION_VALUE,
		.value = 2,
		.opt.value = &dsa_config.pvk_encr,
	},
	{
		.name = "pvk-weak",
		.desc = "PVK encryption level",
		.type = OPTION_VALUE,
		.value = 1,
		.opt.value = &dsa_config.pvk_encr,
	},
	{
		.name = "text",
		.desc = "Print the key in text form",
		.type = OPTION_FLAG,
		.opt.flag = &dsa_config.text,
	},
	{
		.name = NULL,
		.type = OPTION_ARGV_FUNC,
		.opt.argvfunc = dsa_opt_enc,
	},
	{ NULL },
};

static void
show_ciphers(const OBJ_NAME *name, void *arg)
{
	static int n;

	if (!islower((unsigned char)*name->name))
		return;

	fprintf(stderr, " -%-24s%s", name->name, (++n % 3 ? "" : "\n"));
}

static void
dsa_usage(void)
{
	fprintf(stderr,
	    "usage: dsa [-in file] [-inform format] [-noout]\n"
	    "    [-out file] [-outform format] [-passin src] [-passout src]\n"
	    "    [-pubin] [-pubout] [-pvk-none | -pvk-strong | -pvk-weak]\n"
	    "    [-text] [-ciphername]\n\n");
	options_usage(dsa_options);
	fprintf(stderr, "\n");

	fprintf(stderr, "Valid ciphername values:\n\n");
	OBJ_NAME_do_all_sorted(OBJ_NAME_TYPE_CIPHER_METH, show_ciphers, NULL);
	fprintf(stderr, "\n");
}

int
dsa_main(int argc, char **argv)
{
	int ret = 1;
	DSA *dsa = NULL;
	int i;
	BIO *in = NULL, *out = NULL;
	char *passin = NULL, *passout = NULL;

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

	memset(&dsa_config, 0, sizeof(dsa_config));

	dsa_config.pvk_encr = 2;
	dsa_config.informat = FORMAT_PEM;
	dsa_config.outformat = FORMAT_PEM;

	if (options_parse(argc, argv, dsa_options, NULL, NULL) != 0) {
		dsa_usage();
		goto end;
	}

	if (!app_passwd(bio_err, dsa_config.passargin, dsa_config.passargout,
	    &passin, &passout)) {
		BIO_printf(bio_err, "Error getting passwords\n");
		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 (dsa_config.infile == NULL)
		BIO_set_fp(in, stdin, BIO_NOCLOSE);
	else {
		if (BIO_read_filename(in, dsa_config.infile) <= 0) {
			perror(dsa_config.infile);
			goto end;
		}
	}

	BIO_printf(bio_err, "read DSA key\n");

	{
		EVP_PKEY *pkey;

		if (dsa_config.pubin)
			pkey = load_pubkey(bio_err, dsa_config.infile,
			    dsa_config.informat, 1, passin, "Public Key");
		else
			pkey = load_key(bio_err, dsa_config.infile,
			    dsa_config.informat, 1, passin, "Private Key");

		if (pkey) {
			dsa = EVP_PKEY_get1_DSA(pkey);
			EVP_PKEY_free(pkey);
		}
	}
	if (dsa == NULL) {
		BIO_printf(bio_err, "unable to load Key\n");
		ERR_print_errors(bio_err);
		goto end;
	}
	if (dsa_config.outfile == NULL) {
		BIO_set_fp(out, stdout, BIO_NOCLOSE);
	} else {
		if (BIO_write_filename(out, dsa_config.outfile) <= 0) {
			perror(dsa_config.outfile);
			goto end;
		}
	}

	if (dsa_config.text) {
		if (!DSA_print(out, dsa, 0)) {
			perror(dsa_config.outfile);
			ERR_print_errors(bio_err);
			goto end;
		}
	}
	if (dsa_config.modulus) {
		fprintf(stdout, "Public Key=");
		BN_print(out, dsa->pub_key);
		fprintf(stdout, "\n");
	}
	if (dsa_config.noout)
		goto end;
	BIO_printf(bio_err, "writing DSA key\n");
	if (dsa_config.outformat == FORMAT_ASN1) {
		if (dsa_config.pubin || dsa_config.pubout)
			i = i2d_DSA_PUBKEY_bio(out, dsa);
		else
			i = i2d_DSAPrivateKey_bio(out, dsa);
	} else if (dsa_config.outformat == FORMAT_PEM) {
		if (dsa_config.pubin || dsa_config.pubout)
			i = PEM_write_bio_DSA_PUBKEY(out, dsa);
		else
			i = PEM_write_bio_DSAPrivateKey(out, dsa, dsa_config.enc,
			    NULL, 0, NULL, passout);
#if !defined(OPENSSL_NO_RSA) && !defined(OPENSSL_NO_RC4)
	} else if (dsa_config.outformat == FORMAT_MSBLOB ||
	    dsa_config.outformat == FORMAT_PVK) {
		EVP_PKEY *pk;
		pk = EVP_PKEY_new();
		EVP_PKEY_set1_DSA(pk, dsa);
		if (dsa_config.outformat == FORMAT_PVK)
			i = i2b_PVK_bio(out, pk, dsa_config.pvk_encr, 0,
			    passout);
		else if (dsa_config.pubin || dsa_config.pubout)
			i = i2b_PublicKey_bio(out, pk);
		else
			i = i2b_PrivateKey_bio(out, pk);
		EVP_PKEY_free(pk);
#endif
	} else {
		BIO_printf(bio_err, "bad output format specified for outfile\n");
		goto end;
	}
	if (i <= 0) {
		BIO_printf(bio_err, "unable to write private key\n");
		ERR_print_errors(bio_err);
	} else
		ret = 0;
end:
	BIO_free(in);
	if (out != NULL)
		BIO_free_all(out);
	if (dsa != NULL)
		DSA_free(dsa);
	free(passin);
	free(passout);

	return (ret);
}


Generated by: GCOVR (Version 3.3)

Line	Branch	Exec	Source
1			/* $OpenBSD: dsa.c,v 1.9 2017/01/20 08:57:11 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			#include <ctype.h>
62			#include <stdio.h>
63			#include <stdlib.h>
64			#include <time.h>
65			#include <string.h>
66
67			#include "apps.h"
68
69			#include <openssl/bio.h>
70			#include <openssl/bn.h>
71			#include <openssl/dsa.h>
72			#include <openssl/err.h>
73			#include <openssl/evp.h>
74			#include <openssl/pem.h>
75			#include <openssl/x509.h>
76
77			static struct {
78			const EVP_CIPHER *enc;
79			char *infile;
80			int informat;
81			int modulus;
82			int noout;
83			char *outfile;
84			int outformat;
85			char *passargin;
86			char *passargout;
87			int pubin;
88			int pubout;
89			int pvk_encr;
90			int text;
91			} dsa_config;
92
93			static int
94			dsa_opt_enc(int argc, char *argv, int argsused)
95			{
96		8	char *name = argv[0];
97
98	✗✓	4	if (*name++ != '-')
99			return (1);
100
101	✗✓	4	if ((dsa_config.enc = EVP_get_cipherbyname(name)) != NULL) {
102			*argsused = 1;
103			return (0);
104			}
105
106		4	return (1);
107		4	}
108
109			static struct option dsa_options[] = {
110			{
111			.name = "in",
112			.argname = "file",
113			.desc = "Input file (default stdin)",
114			.type = OPTION_ARG,
115			.opt.arg = &dsa_config.infile,
116			},
117			{
118			.name = "inform",
119			.argname = "format",
120			.desc = "Input format (PEM (default) or any other supported"
121			" format)",
122			.type = OPTION_ARG_FORMAT,
123			.opt.value = &dsa_config.informat,
124			},
125			{
126			.name = "noout",
127			.desc = "No output",
128			.type = OPTION_FLAG,
129			.opt.flag = &dsa_config.noout,
130			},
131			{
132			.name = "out",
133			.argname = "file",
134			.desc = "Output file (default stdout)",
135			.type = OPTION_ARG,
136			.opt.arg = &dsa_config.outfile,
137			},
138			{
139			.name = "outform",
140			.argname = "format",
141			.desc = "Output format (DER, MSBLOB, PEM (default) or PVK)",
142			.type = OPTION_ARG_FORMAT,
143			.opt.value = &dsa_config.outformat,
144			},
145			{
146			.name = "passin",
147			.argname = "source",
148			.desc = "Input file passphrase source",
149			.type = OPTION_ARG,
150			.opt.arg = &dsa_config.passargin,
151			},
152			{
153			.name = "passout",
154			.argname = "source",
155			.desc = "Output file passphrase source",
156			.type = OPTION_ARG,
157			.opt.arg = &dsa_config.passargout,
158			},
159			{
160			.name = "pubin",
161			.desc = "Read a public key from the input file instead of"
162			" private key",
163			.type = OPTION_FLAG,
164			.opt.flag = &dsa_config.pubin,
165			},
166			{
167			.name = "pubout",
168			.desc = "Output a public key instead of private key",
169			.type = OPTION_FLAG,
170			.opt.flag = &dsa_config.pubout,
171			},
172			{
173			.name = "pvk-none",
174			.desc = "PVK encryption level",
175			.type = OPTION_VALUE,
176			.value = 0,
177			.opt.value = &dsa_config.pvk_encr,
178			},
179			{
180			.name = "pvk-strong",
181			.desc = "PVK encryption level (default)",
182			.type = OPTION_VALUE,
183			.value = 2,
184			.opt.value = &dsa_config.pvk_encr,
185			},
186			{
187			.name = "pvk-weak",
188			.desc = "PVK encryption level",
189			.type = OPTION_VALUE,
190			.value = 1,
191			.opt.value = &dsa_config.pvk_encr,
192			},
193			{
194			.name = "text",
195			.desc = "Print the key in text form",
196			.type = OPTION_FLAG,
197			.opt.flag = &dsa_config.text,
198			},
199			{
200			.name = NULL,
201			.type = OPTION_ARGV_FUNC,
202			.opt.argvfunc = dsa_opt_enc,
203			},
204			{ NULL },
205			};
206
207			static void
208			show_ciphers(const OBJ_NAME name, void arg)
209			{
210			static int n;
211
212	✓✓	1624	if (!islower((unsigned char)*name->name))
213			return;
214
215		424	fprintf(stderr, " -%-24s%s", name->name, (++n % 3 ? "" : "\n"));
216		1236	}
217
218			static void
219			dsa_usage(void)
220			{
221		8	fprintf(stderr,
222			"usage: dsa [-in file] [-inform format] [-noout]\n"
223			" [-out file] [-outform format] [-passin src] [-passout src]\n"
224			" [-pubin] [-pubout] [-pvk-none \| -pvk-strong \| -pvk-weak]\n"
225			" [-text] [-ciphername]\n\n");
226		4	options_usage(dsa_options);
227		4	fprintf(stderr, "\n");
228
229		4	fprintf(stderr, "Valid ciphername values:\n\n");
230		4	OBJ_NAME_do_all_sorted(OBJ_NAME_TYPE_CIPHER_METH, show_ciphers, NULL);
231		4	fprintf(stderr, "\n");
232		4	}
233
234			int
235			dsa_main(int argc, char **argv)
236			{
237			int ret = 1;
238			DSA *dsa = NULL;
239			int i;
240			BIO in = NULL, out = NULL;
241		16	char passin = NULL, passout = NULL;
242
243	✓✗	8	if (single_execution) {
244	✗✓	8	if (pledge("stdio cpath wpath rpath tty flock", NULL) == -1) {
245			perror("pledge");
246			exit(1);
247			}
248			}
249
250		8	memset(&dsa_config, 0, sizeof(dsa_config));
251
252		8	dsa_config.pvk_encr = 2;
253		8	dsa_config.informat = FORMAT_PEM;
254		8	dsa_config.outformat = FORMAT_PEM;
255
256	✓✓	8	if (options_parse(argc, argv, dsa_options, NULL, NULL) != 0) {
257		4	dsa_usage();
258		4	goto end;
259			}
260
261	✗✓	4	if (!app_passwd(bio_err, dsa_config.passargin, dsa_config.passargout,
262			&passin, &passout)) {
263			BIO_printf(bio_err, "Error getting passwords\n");
264			goto end;
265			}
266
267		4	in = BIO_new(BIO_s_file());
268		4	out = BIO_new(BIO_s_file());
269	✗✓	4	if (in == NULL \|\| out == NULL) {
270			ERR_print_errors(bio_err);
271			goto end;
272			}
273	✗✓	4	if (dsa_config.infile == NULL)
274			BIO_set_fp(in, stdin, BIO_NOCLOSE);
275			else {
276	✗✓	4	if (BIO_read_filename(in, dsa_config.infile) <= 0) {
277			perror(dsa_config.infile);
278			goto end;
279			}
280			}
281
282		4	BIO_printf(bio_err, "read DSA key\n");
283
284			{
285			EVP_PKEY *pkey;
286
287	✗✓	4	if (dsa_config.pubin)
288			pkey = load_pubkey(bio_err, dsa_config.infile,
289			dsa_config.informat, 1, passin, "Public Key");
290			else
291		4	pkey = load_key(bio_err, dsa_config.infile,
292			dsa_config.informat, 1, passin, "Private Key");
293
294	✓✗	4	if (pkey) {
295		4	dsa = EVP_PKEY_get1_DSA(pkey);
296		4	EVP_PKEY_free(pkey);
297		4	}
298			}
299	✗✓	4	if (dsa == NULL) {
300			BIO_printf(bio_err, "unable to load Key\n");
301			ERR_print_errors(bio_err);
302			goto end;
303			}
304	✗✓	4	if (dsa_config.outfile == NULL) {
305			BIO_set_fp(out, stdout, BIO_NOCLOSE);
306			} else {
307	✗✓	4	if (BIO_write_filename(out, dsa_config.outfile) <= 0) {
308			perror(dsa_config.outfile);
309			goto end;
310			}
311			}
312
313	✓✗	4	if (dsa_config.text) {
314	✗✓	4	if (!DSA_print(out, dsa, 0)) {
315			perror(dsa_config.outfile);
316			ERR_print_errors(bio_err);
317			goto end;
318			}
319			}
320	✗✓	4	if (dsa_config.modulus) {
321			fprintf(stdout, "Public Key=");
322			BN_print(out, dsa->pub_key);
323			fprintf(stdout, "\n");
324			}
325	✓✗	4	if (dsa_config.noout)
326			goto end;
327		4	BIO_printf(bio_err, "writing DSA key\n");
328	✗✓	4	if (dsa_config.outformat == FORMAT_ASN1) {
329			if (dsa_config.pubin \|\| dsa_config.pubout)
330			i = i2d_DSA_PUBKEY_bio(out, dsa);
331			else
332			i = i2d_DSAPrivateKey_bio(out, dsa);
333	✓✗	4	} else if (dsa_config.outformat == FORMAT_PEM) {
334	✗✓	4	if (dsa_config.pubin \|\| dsa_config.pubout)
335			i = PEM_write_bio_DSA_PUBKEY(out, dsa);
336			else
337		8	i = PEM_write_bio_DSAPrivateKey(out, dsa, dsa_config.enc,
338		4	NULL, 0, NULL, passout);
339			#if !defined(OPENSSL_NO_RSA) && !defined(OPENSSL_NO_RC4)
340			} else if (dsa_config.outformat == FORMAT_MSBLOB \|\|
341			dsa_config.outformat == FORMAT_PVK) {
342			EVP_PKEY *pk;
343			pk = EVP_PKEY_new();
344			EVP_PKEY_set1_DSA(pk, dsa);
345			if (dsa_config.outformat == FORMAT_PVK)
346			i = i2b_PVK_bio(out, pk, dsa_config.pvk_encr, 0,
347			passout);
348			else if (dsa_config.pubin \|\| dsa_config.pubout)
349			i = i2b_PublicKey_bio(out, pk);
350			else
351			i = i2b_PrivateKey_bio(out, pk);
352			EVP_PKEY_free(pk);
353			#endif
354			} else {
355			BIO_printf(bio_err, "bad output format specified for outfile\n");
356			goto end;
357			}
358	✗✓	4	if (i <= 0) {
359			BIO_printf(bio_err, "unable to write private key\n");
360			ERR_print_errors(bio_err);
361			} else
362			ret = 0;
363			end:
364		8	BIO_free(in);
365	✓✓	8	if (out != NULL)
366		4	BIO_free_all(out);
367	✓✓	8	if (dsa != NULL)
368		4	DSA_free(dsa);
369		8	free(passin);
370		8	free(passout);
371
372		8	return (ret);
373		8	}