Head

GCC Code Coverage Report

Directory:	./		Exec	Total	Coverage
File:	lib/libcrypto/conf/conf_lib.c	Lines:	67	133	50.4 %
Date:	2017-11-07	Branches:	22	50	44.0 %


/* $OpenBSD: conf_lib.c,v 1.15 2017/01/29 17:49:22 beck Exp $ */
/* Written by Richard Levitte (richard@levitte.org) for the OpenSSL
 * project 2000.
 */
/* ====================================================================
 * Copyright (c) 2000 The OpenSSL Project.  All rights reserved.
 *
 * 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 above 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 acknowledgment:
 *    "This product includes software developed by the OpenSSL Project
 *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
 *
 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
 *    endorse or promote products derived from this software without
 *    prior written permission. For written permission, please contact
 *    licensing@OpenSSL.org.
 *
 * 5. Products derived from this software may not be called "OpenSSL"
 *    nor may "OpenSSL" appear in their names without prior written
 *    permission of the OpenSSL Project.
 *
 * 6. Redistributions of any form whatsoever must retain the following
 *    acknowledgment:
 *    "This product includes software developed by the OpenSSL Project
 *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
 *
 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
 * EXPRESSED 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 OpenSSL PROJECT OR
 * ITS 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.
 * ====================================================================
 *
 * This product includes cryptographic software written by Eric Young
 * (eay@cryptsoft.com).  This product includes software written by Tim
 * Hudson (tjh@cryptsoft.com).
 *
 */

#include <stdio.h>
#include <openssl/crypto.h>
#include <openssl/err.h>
#include <openssl/conf.h>
#include <openssl/conf_api.h>
#include <openssl/lhash.h>

static CONF_METHOD *default_CONF_method = NULL;

/* Init a 'CONF' structure from an old LHASH */

void
CONF_set_nconf(CONF *conf, LHASH_OF(CONF_VALUE) *hash)
{
	if (default_CONF_method == NULL)
		default_CONF_method = NCONF_default();
	default_CONF_method->init(conf);
	conf->data = hash;
}

/* The following section contains the "CONF classic" functions,
   rewritten in terms of the new CONF interface. */

int
CONF_set_default_method(CONF_METHOD *meth)
{
	default_CONF_method = meth;
	return 1;
}

LHASH_OF(CONF_VALUE) *CONF_load(LHASH_OF(CONF_VALUE) *conf, const char *file,
    long *eline)
{
	LHASH_OF(CONF_VALUE) *ltmp;
	BIO *in = NULL;

	in = BIO_new_file(file, "rb");
	if (in == NULL) {
		CONFerror(ERR_R_SYS_LIB);
		return NULL;
	}

	ltmp = CONF_load_bio(conf, in, eline);
	BIO_free(in);

	return ltmp;
}

LHASH_OF(CONF_VALUE) *CONF_load_fp(LHASH_OF(CONF_VALUE) *conf, FILE *fp,
    long *eline)
{
	BIO *btmp;
	LHASH_OF(CONF_VALUE) *ltmp;

	if (!(btmp = BIO_new_fp(fp, BIO_NOCLOSE))) {
		CONFerror(ERR_R_BUF_LIB);
		return NULL;
	}
	ltmp = CONF_load_bio(conf, btmp, eline);
	BIO_free(btmp);
	return ltmp;
}

LHASH_OF(CONF_VALUE) *CONF_load_bio(LHASH_OF(CONF_VALUE) *conf, BIO *bp,
    long *eline)
{
	CONF ctmp;
	int ret;

	CONF_set_nconf(&ctmp, conf);

	ret = NCONF_load_bio(&ctmp, bp, eline);
	if (ret)
		return ctmp.data;
	return NULL;
}

STACK_OF(CONF_VALUE) *CONF_get_section(LHASH_OF(CONF_VALUE) *conf,
    const char *section)
{
	if (conf == NULL) {
		return NULL;
	} else {
		CONF ctmp;
		CONF_set_nconf(&ctmp, conf);
		return NCONF_get_section(&ctmp, section);
	}
}

char *
CONF_get_string(LHASH_OF(CONF_VALUE) *conf, const char *group,
    const char *name)
{
	if (conf == NULL) {
		return NCONF_get_string(NULL, group, name);
	} else {
		CONF ctmp;
		CONF_set_nconf(&ctmp, conf);
		return NCONF_get_string(&ctmp, group, name);
	}
}

long
CONF_get_number(LHASH_OF(CONF_VALUE) *conf, const char *group,
    const char *name)
{
	int status;
	long result = 0;

	if (conf == NULL) {
		status = NCONF_get_number_e(NULL, group, name, &result);
	} else {
		CONF ctmp;
		CONF_set_nconf(&ctmp, conf);
		status = NCONF_get_number_e(&ctmp, group, name, &result);
	}

	if (status == 0) {
		/* This function does not believe in errors... */
		ERR_clear_error();
	}
	return result;
}

void
CONF_free(LHASH_OF(CONF_VALUE) *conf)
{
	CONF ctmp;

	CONF_set_nconf(&ctmp, conf);
	NCONF_free_data(&ctmp);
}

int
CONF_dump_fp(LHASH_OF(CONF_VALUE) *conf, FILE *out)
{
	BIO *btmp;
	int ret;

	if (!(btmp = BIO_new_fp(out, BIO_NOCLOSE))) {
		CONFerror(ERR_R_BUF_LIB);
		return 0;
	}
	ret = CONF_dump_bio(conf, btmp);
	BIO_free(btmp);
	return ret;
}

int
CONF_dump_bio(LHASH_OF(CONF_VALUE) *conf, BIO *out)
{
	CONF ctmp;

	CONF_set_nconf(&ctmp, conf);
	return NCONF_dump_bio(&ctmp, out);
}

/* The following section contains the "New CONF" functions.  They are
   completely centralised around a new CONF structure that may contain
   basically anything, but at least a method pointer and a table of data.
   These functions are also written in terms of the bridge functions used
   by the "CONF classic" functions, for consistency.  */

CONF *
NCONF_new(CONF_METHOD *meth)
{
	CONF *ret;

	if (meth == NULL)
		meth = NCONF_default();

	ret = meth->create(meth);
	if (ret == NULL) {
		CONFerror(ERR_R_MALLOC_FAILURE);
		return (NULL);
	}

	return ret;
}

void
NCONF_free(CONF *conf)
{
	if (conf == NULL)
		return;
	conf->meth->destroy(conf);
}

void
NCONF_free_data(CONF *conf)
{
	if (conf == NULL)
		return;
	conf->meth->destroy_data(conf);
}

int
NCONF_load(CONF *conf, const char *file, long *eline)
{
	if (conf == NULL) {
		CONFerror(CONF_R_NO_CONF);
		return 0;
	}

	return conf->meth->load(conf, file, eline);
}

int
NCONF_load_fp(CONF *conf, FILE *fp, long *eline)
{
	BIO *btmp;
	int ret;

	if (!(btmp = BIO_new_fp(fp, BIO_NOCLOSE))) {
		CONFerror(ERR_R_BUF_LIB);
		return 0;
	}
	ret = NCONF_load_bio(conf, btmp, eline);
	BIO_free(btmp);
	return ret;
}

int
NCONF_load_bio(CONF *conf, BIO *bp, long *eline)
{
	if (conf == NULL) {
		CONFerror(CONF_R_NO_CONF);
		return 0;
	}

	return conf->meth->load_bio(conf, bp, eline);
}

STACK_OF(CONF_VALUE) *
NCONF_get_section(const CONF *conf, const char *section)
{
	if (conf == NULL) {
		CONFerror(CONF_R_NO_CONF);
		return NULL;
	}

	if (section == NULL) {
		CONFerror(CONF_R_NO_SECTION);
		return NULL;
	}

	return _CONF_get_section_values(conf, section);
}

char *
NCONF_get_string(const CONF *conf, const char *group, const char *name)
{
	char *s = _CONF_get_string(conf, group, name);

        /* Since we may get a value from an environment variable even
           if conf is NULL, let's check the value first */
	if (s)
		return s;

	if (conf == NULL) {
		CONFerror(CONF_R_NO_CONF_OR_ENVIRONMENT_VARIABLE);
		return NULL;
	}
	CONFerror(CONF_R_NO_VALUE);
	ERR_asprintf_error_data("group=%s name=%s",
	    group ? group : "", name);
	return NULL;
}

int
NCONF_get_number_e(const CONF *conf, const char *group, const char *name,
    long *result)
{
	char *str;

	if (result == NULL) {
		CONFerror(ERR_R_PASSED_NULL_PARAMETER);
		return 0;
	}

	str = NCONF_get_string(conf, group, name);

	if (str == NULL)
		return 0;

	for (*result = 0; conf->meth->is_number(conf, *str); ) {
		*result = (*result) * 10 + conf->meth->to_int(conf, *str);
		str++;
	}

	return 1;
}

int
NCONF_dump_fp(const CONF *conf, FILE *out)
{
	BIO *btmp;
	int ret;
	if (!(btmp = BIO_new_fp(out, BIO_NOCLOSE))) {
		CONFerror(ERR_R_BUF_LIB);
		return 0;
	}
	ret = NCONF_dump_bio(conf, btmp);
	BIO_free(btmp);
	return ret;
}

int
NCONF_dump_bio(const CONF *conf, BIO *out)
{
	if (conf == NULL) {
		CONFerror(CONF_R_NO_CONF);
		return 0;
	}

	return conf->meth->dump(conf, out);
}


Generated by: GCOVR (Version 3.3)

Line	Branch	Exec	Source
1			/* $OpenBSD: conf_lib.c,v 1.15 2017/01/29 17:49:22 beck Exp $ */
2			/* Written by Richard Levitte (richard@levitte.org) for the OpenSSL
3			* project 2000.
4			*/
5			/* ====================================================================
6			* Copyright (c) 2000 The OpenSSL Project. All rights reserved.
7			*
8			* Redistribution and use in source and binary forms, with or without
9			* modification, are permitted provided that the following conditions
10			* are met:
11			*
12			* 1. Redistributions of source code must retain the above copyright
13			* notice, this list of conditions and the following disclaimer.
14			*
15			* 2. Redistributions in binary form must reproduce the above copyright
16			* notice, this list of conditions and the following disclaimer in
17			* the documentation and/or other materials provided with the
18			* distribution.
19			*
20			* 3. All advertising materials mentioning features or use of this
21			* software must display the following acknowledgment:
22			* "This product includes software developed by the OpenSSL Project
23			* for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
24			*
25			* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
26			* endorse or promote products derived from this software without
27			* prior written permission. For written permission, please contact
28			* licensing@OpenSSL.org.
29			*
30			* 5. Products derived from this software may not be called "OpenSSL"
31			* nor may "OpenSSL" appear in their names without prior written
32			* permission of the OpenSSL Project.
33			*
34			* 6. Redistributions of any form whatsoever must retain the following
35			* acknowledgment:
36			* "This product includes software developed by the OpenSSL Project
37			* for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
38			*
39			* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
40			* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
41			* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
42			* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
43			* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
44			* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
45			* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
46			* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
47			* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
48			* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
49			* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
50			* OF THE POSSIBILITY OF SUCH DAMAGE.
51			* ====================================================================
52			*
53			* This product includes cryptographic software written by Eric Young
54			* (eay@cryptsoft.com). This product includes software written by Tim
55			* Hudson (tjh@cryptsoft.com).
56			*
57			*/
58
59			#include <stdio.h>
60			#include <openssl/crypto.h>
61			#include <openssl/err.h>
62			#include <openssl/conf.h>
63			#include <openssl/conf_api.h>
64			#include <openssl/lhash.h>
65
66			static CONF_METHOD *default_CONF_method = NULL;
67
68			/* Init a 'CONF' structure from an old LHASH */
69
70			void
71			CONF_set_nconf(CONF conf, LHASH_OF(CONF_VALUE) hash)
72			{
73	✓✓	12	if (default_CONF_method == NULL)
74		2	default_CONF_method = NCONF_default();
75		6	default_CONF_method->init(conf);
76		6	conf->data = hash;
77		6	}
78
79			/* The following section contains the "CONF classic" functions,
80			rewritten in terms of the new CONF interface. */
81
82			int
83			CONF_set_default_method(CONF_METHOD *meth)
84			{
85			default_CONF_method = meth;
86			return 1;
87			}
88
89			LHASH_OF(CONF_VALUE) CONF_load(LHASH_OF(CONF_VALUE) conf, const char *file,
90			long *eline)
91			{
92			LHASH_OF(CONF_VALUE) *ltmp;
93			BIO *in = NULL;
94
95		4	in = BIO_new_file(file, "rb");
96	✗✓	2	if (in == NULL) {
97			CONFerror(ERR_R_SYS_LIB);
98			return NULL;
99			}
100
101		2	ltmp = CONF_load_bio(conf, in, eline);
102		2	BIO_free(in);
103
104		2	return ltmp;
105		2	}
106
107			LHASH_OF(CONF_VALUE) CONF_load_fp(LHASH_OF(CONF_VALUE) conf, FILE *fp,
108			long *eline)
109			{
110			BIO *btmp;
111			LHASH_OF(CONF_VALUE) *ltmp;
112
113			if (!(btmp = BIO_new_fp(fp, BIO_NOCLOSE))) {
114			CONFerror(ERR_R_BUF_LIB);
115			return NULL;
116			}
117			ltmp = CONF_load_bio(conf, btmp, eline);
118			BIO_free(btmp);
119			return ltmp;
120			}
121
122			LHASH_OF(CONF_VALUE) CONF_load_bio(LHASH_OF(CONF_VALUE) conf, BIO *bp,
123			long *eline)
124			{
125		4	CONF ctmp;
126			int ret;
127
128		2	CONF_set_nconf(&ctmp, conf);
129
130		2	ret = NCONF_load_bio(&ctmp, bp, eline);
131	✓✗	2	if (ret)
132		2	return ctmp.data;
133			return NULL;
134		2	}
135
136			STACK_OF(CONF_VALUE) CONF_get_section(LHASH_OF(CONF_VALUE) conf,
137			const char *section)
138			{
139	✗✓	4	if (conf == NULL) {
140			return NULL;
141			} else {
142		2	CONF ctmp;
143		2	CONF_set_nconf(&ctmp, conf);
144		2	return NCONF_get_section(&ctmp, section);
145		2	}
146		2	}
147
148			char *
149			CONF_get_string(LHASH_OF(CONF_VALUE) conf, const char group,
150			const char *name)
151			{
152			if (conf == NULL) {
153			return NCONF_get_string(NULL, group, name);
154			} else {
155			CONF ctmp;
156			CONF_set_nconf(&ctmp, conf);
157			return NCONF_get_string(&ctmp, group, name);
158			}
159			}
160
161			long
162			CONF_get_number(LHASH_OF(CONF_VALUE) conf, const char group,
163			const char *name)
164			{
165			int status;
166			long result = 0;
167
168			if (conf == NULL) {
169			status = NCONF_get_number_e(NULL, group, name, &result);
170			} else {
171			CONF ctmp;
172			CONF_set_nconf(&ctmp, conf);
173			status = NCONF_get_number_e(&ctmp, group, name, &result);
174			}
175
176			if (status == 0) {
177			/* This function does not believe in errors... */
178			ERR_clear_error();
179			}
180			return result;
181			}
182
183			void
184			CONF_free(LHASH_OF(CONF_VALUE) *conf)
185			{
186		4	CONF ctmp;
187
188		2	CONF_set_nconf(&ctmp, conf);
189		2	NCONF_free_data(&ctmp);
190		2	}
191
192			int
193			CONF_dump_fp(LHASH_OF(CONF_VALUE) conf, FILE out)
194			{
195			BIO *btmp;
196			int ret;
197
198			if (!(btmp = BIO_new_fp(out, BIO_NOCLOSE))) {
199			CONFerror(ERR_R_BUF_LIB);
200			return 0;
201			}
202			ret = CONF_dump_bio(conf, btmp);
203			BIO_free(btmp);
204			return ret;
205			}
206
207			int
208			CONF_dump_bio(LHASH_OF(CONF_VALUE) conf, BIO out)
209			{
210			CONF ctmp;
211
212			CONF_set_nconf(&ctmp, conf);
213			return NCONF_dump_bio(&ctmp, out);
214			}
215
216			/* The following section contains the "New CONF" functions. They are
217			completely centralised around a new CONF structure that may contain
218			basically anything, but at least a method pointer and a table of data.
219			These functions are also written in terms of the bridge functions used
220			by the "CONF classic" functions, for consistency. */
221
222			CONF *
223			NCONF_new(CONF_METHOD *meth)
224			{
225			CONF *ret;
226
227	✓✗	2980	if (meth == NULL)
228		1490	meth = NCONF_default();
229
230		1490	ret = meth->create(meth);
231	✗✓	1490	if (ret == NULL) {
232			CONFerror(ERR_R_MALLOC_FAILURE);
233			return (NULL);
234			}
235
236		1490	return ret;
237		1490	}
238
239			void
240			NCONF_free(CONF *conf)
241			{
242	✓✓	3080	if (conf == NULL)
243			return;
244		1490	conf->meth->destroy(conf);
245		3030	}
246
247			void
248			NCONF_free_data(CONF *conf)
249			{
250	✓✗	4	if (conf == NULL)
251			return;
252		2	conf->meth->destroy_data(conf);
253		4	}
254
255			int
256			NCONF_load(CONF conf, const char file, long *eline)
257			{
258	✗✓	2976	if (conf == NULL) {
259			CONFerror(CONF_R_NO_CONF);
260			return 0;
261			}
262
263		1488	return conf->meth->load(conf, file, eline);
264		1488	}
265
266			int
267			NCONF_load_fp(CONF conf, FILE fp, long *eline)
268			{
269			BIO *btmp;
270			int ret;
271
272			if (!(btmp = BIO_new_fp(fp, BIO_NOCLOSE))) {
273			CONFerror(ERR_R_BUF_LIB);
274			return 0;
275			}
276			ret = NCONF_load_bio(conf, btmp, eline);
277			BIO_free(btmp);
278			return ret;
279			}
280
281			int
282			NCONF_load_bio(CONF conf, BIO bp, long *eline)
283			{
284	✗✓	8	if (conf == NULL) {
285			CONFerror(CONF_R_NO_CONF);
286			return 0;
287			}
288
289		4	return conf->meth->load_bio(conf, bp, eline);
290		4	}
291
292			STACK_OF(CONF_VALUE) *
293			NCONF_get_section(const CONF conf, const char section)
294			{
295	✗✓	212	if (conf == NULL) {
296			CONFerror(CONF_R_NO_CONF);
297			return NULL;
298			}
299
300	✗✓	106	if (section == NULL) {
301			CONFerror(CONF_R_NO_SECTION);
302			return NULL;
303			}
304
305		106	return _CONF_get_section_values(conf, section);
306		106	}
307
308			char *
309			NCONF_get_string(const CONF conf, const char group, const char *name)
310			{
311		4704	char *s = _CONF_get_string(conf, group, name);
312
313			/* Since we may get a value from an environment variable even
314			if conf is NULL, let's check the value first */
315	✓✓	2352	if (s)
316		222	return s;
317
318	✗✓	2130	if (conf == NULL) {
319			CONFerror(CONF_R_NO_CONF_OR_ENVIRONMENT_VARIABLE);
320			return NULL;
321			}
322		2130	CONFerror(CONF_R_NO_VALUE);
323		2130	ERR_asprintf_error_data("group=%s name=%s",
324		2130	group ? group : "", name);
325		2130	return NULL;
326		2352	}
327
328			int
329			NCONF_get_number_e(const CONF conf, const char group, const char *name,
330			long *result)
331			{
332			char *str;
333
334	✗✓	188	if (result == NULL) {
335			CONFerror(ERR_R_PASSED_NULL_PARAMETER);
336			return 0;
337			}
338
339		94	str = NCONF_get_string(conf, group, name);
340
341	✓✓	94	if (str == NULL)
342		80	return 0;
343
344	✓✓	56	for (result = 0; conf->meth->is_number(conf, str); ) {
345		14	result = (result) * 10 + conf->meth->to_int(conf, *str);
346		14	str++;
347			}
348
349		14	return 1;
350		94	}
351
352			int
353			NCONF_dump_fp(const CONF conf, FILE out)
354			{
355			BIO *btmp;
356			int ret;
357			if (!(btmp = BIO_new_fp(out, BIO_NOCLOSE))) {
358			CONFerror(ERR_R_BUF_LIB);
359			return 0;
360			}
361			ret = NCONF_dump_bio(conf, btmp);
362			BIO_free(btmp);
363			return ret;
364			}
365
366			int
367			NCONF_dump_bio(const CONF conf, BIO out)
368			{
369			if (conf == NULL) {
370			CONFerror(CONF_R_NO_CONF);
371			return 0;
372			}
373
374			return conf->meth->dump(conf, out);
375			}