Head

GCC Code Coverage Report

Directory:	./		Exec	Total	Coverage
File:	lib/libcrypto/engine/eng_cnf.c	Lines:	2	76	2.6 %
Date:	2017-11-13	Branches:	0	70	0.0 %


/* $OpenBSD: eng_cnf.c,v 1.14 2017/01/29 17:49:23 beck Exp $ */
/* Written by Stephen Henson (steve@openssl.org) for the OpenSSL
 * project 2001.
 */
/* ====================================================================
 * Copyright (c) 2001 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 <string.h>

#include <openssl/err.h>

#include "eng_int.h"
#include <openssl/conf.h>

/* #define ENGINE_CONF_DEBUG */

/* ENGINE config module */

static char *
skip_dot(char *name)
{
	char *p;

	p = strchr(name, '.');
	if (p)
		return p + 1;
	return name;
}

static STACK_OF(ENGINE) *initialized_engines = NULL;

static int
int_engine_init(ENGINE *e)
{
	if (!ENGINE_init(e))
		return 0;
	if (!initialized_engines)
		initialized_engines = sk_ENGINE_new_null();
	if (!initialized_engines || !sk_ENGINE_push(initialized_engines, e)) {
		ENGINE_finish(e);
		return 0;
	}
	return 1;
}


static int
int_engine_configure(char *name, char *value, const CONF *cnf)
{
	int i;
	int ret = 0;
	long do_init = -1;
	STACK_OF(CONF_VALUE) *ecmds;
	CONF_VALUE *ecmd = NULL;
	char *ctrlname, *ctrlvalue;
	ENGINE *e = NULL;
	int soft = 0;

	name = skip_dot(name);
#ifdef ENGINE_CONF_DEBUG
	fprintf(stderr, "Configuring engine %s\n", name);
#endif
	/* Value is a section containing ENGINE commands */
	ecmds = NCONF_get_section(cnf, value);

	if (!ecmds) {
		ENGINEerror(ENGINE_R_ENGINE_SECTION_ERROR);
		return 0;
	}

	for (i = 0; i < sk_CONF_VALUE_num(ecmds); i++) {
		ecmd = sk_CONF_VALUE_value(ecmds, i);
		ctrlname = skip_dot(ecmd->name);
		ctrlvalue = ecmd->value;
#ifdef ENGINE_CONF_DEBUG
		fprintf(stderr, "ENGINE conf: doing ctrl(%s,%s)\n",
		    ctrlname, ctrlvalue);
#endif

		/* First handle some special pseudo ctrls */

		/* Override engine name to use */
		if (!strcmp(ctrlname, "engine_id"))
			name = ctrlvalue;
		else if (!strcmp(ctrlname, "soft_load"))
			soft = 1;
		/* Load a dynamic ENGINE */
		else if (!strcmp(ctrlname, "dynamic_path")) {
			e = ENGINE_by_id("dynamic");
			if (!e)
				goto err;
			if (!ENGINE_ctrl_cmd_string(e, "SO_PATH", ctrlvalue, 0))
				goto err;
			if (!ENGINE_ctrl_cmd_string(e, "LIST_ADD", "2", 0))
				goto err;
			if (!ENGINE_ctrl_cmd_string(e, "LOAD", NULL, 0))
				goto err;
		}
		/* ... add other pseudos here ... */
		else {
			/* At this point we need an ENGINE structural reference
			 * if we don't already have one.
			 */
			if (!e) {
				e = ENGINE_by_id(name);
				if (!e && soft) {
					ERR_clear_error();
					return 1;
				}
				if (!e)
					goto err;
			}
			/* Allow "EMPTY" to mean no value: this allows a valid
			 * "value" to be passed to ctrls of type NO_INPUT
		 	 */
			if (!strcmp(ctrlvalue, "EMPTY"))
				ctrlvalue = NULL;
			if (!strcmp(ctrlname, "init")) {
				if (!NCONF_get_number_e(cnf, value, "init",
				    &do_init))
					goto err;
				if (do_init == 1) {
					if (!int_engine_init(e))
						goto err;
				} else if (do_init != 0) {
					ENGINEerror(ENGINE_R_INVALID_INIT_VALUE);
					goto err;
				}
			}
			else if (!strcmp(ctrlname, "default_algorithms")) {
				if (!ENGINE_set_default_string(e, ctrlvalue))
					goto err;
			} else if (!ENGINE_ctrl_cmd_string(e,
				ctrlname, ctrlvalue, 0))
				goto err;
		}
	}
	if (e && (do_init == -1) && !int_engine_init(e)) {
		ecmd = NULL;
		goto err;
	}
	ret = 1;

err:
	if (ret != 1) {
		ENGINEerror(ENGINE_R_ENGINE_CONFIGURATION_ERROR);
		if (ecmd)
			ERR_asprintf_error_data(
			    "section=%s, name=%s, value=%s",
			    ecmd->section, ecmd->name, ecmd->value);
	}
	if (e)
		ENGINE_free(e);
	return ret;
}


static int
int_engine_module_init(CONF_IMODULE *md, const CONF *cnf)
{
	STACK_OF(CONF_VALUE) *elist;
	CONF_VALUE *cval;
	int i;

#ifdef ENGINE_CONF_DEBUG
	fprintf(stderr, "Called engine module: name %s, value %s\n",
	    CONF_imodule_get_name(md), CONF_imodule_get_value(md));
#endif
	/* Value is a section containing ENGINEs to configure */
	elist = NCONF_get_section(cnf, CONF_imodule_get_value(md));

	if (!elist) {
		ENGINEerror(ENGINE_R_ENGINES_SECTION_ERROR);
		return 0;
	}

	for (i = 0; i < sk_CONF_VALUE_num(elist); i++) {
		cval = sk_CONF_VALUE_value(elist, i);
		if (!int_engine_configure(cval->name, cval->value, cnf))
			return 0;
	}

	return 1;
}

static void
int_engine_module_finish(CONF_IMODULE *md)
{
	ENGINE *e;

	while ((e = sk_ENGINE_pop(initialized_engines)))
		ENGINE_finish(e);
	sk_ENGINE_free(initialized_engines);
	initialized_engines = NULL;
}

void
ENGINE_add_conf_module(void)
{
	CONF_module_add("engines", int_engine_module_init,
	    int_engine_module_finish);
}


Generated by: GCOVR (Version 3.3)

Line	Branch	Exec	Source
1			/* $OpenBSD: eng_cnf.c,v 1.14 2017/01/29 17:49:23 beck Exp $ */
2			/* Written by Stephen Henson (steve@openssl.org) for the OpenSSL
3			* project 2001.
4			*/
5			/* ====================================================================
6			* Copyright (c) 2001 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 <string.h>
60
61			#include <openssl/err.h>
62
63			#include "eng_int.h"
64			#include <openssl/conf.h>
65
66			/* #define ENGINE_CONF_DEBUG */
67
68			/* ENGINE config module */
69
70			static char *
71			skip_dot(char *name)
72			{
73			char *p;
74
75			p = strchr(name, '.');
76			if (p)
77			return p + 1;
78			return name;
79			}
80
81			static STACK_OF(ENGINE) *initialized_engines = NULL;
82
83			static int
84			int_engine_init(ENGINE *e)
85			{
86			if (!ENGINE_init(e))
87			return 0;
88			if (!initialized_engines)
89			initialized_engines = sk_ENGINE_new_null();
90			if (!initialized_engines \|\| !sk_ENGINE_push(initialized_engines, e)) {
91			ENGINE_finish(e);
92			return 0;
93			}
94			return 1;
95			}
96
97
98			static int
99			int_engine_configure(char name, char value, const CONF *cnf)
100			{
101			int i;
102			int ret = 0;
103			long do_init = -1;
104			STACK_OF(CONF_VALUE) *ecmds;
105			CONF_VALUE *ecmd = NULL;
106			char ctrlname, ctrlvalue;
107			ENGINE *e = NULL;
108			int soft = 0;
109
110			name = skip_dot(name);
111			#ifdef ENGINE_CONF_DEBUG
112			fprintf(stderr, "Configuring engine %s\n", name);
113			#endif
114			/* Value is a section containing ENGINE commands */
115			ecmds = NCONF_get_section(cnf, value);
116
117			if (!ecmds) {
118			ENGINEerror(ENGINE_R_ENGINE_SECTION_ERROR);
119			return 0;
120			}
121
122			for (i = 0; i < sk_CONF_VALUE_num(ecmds); i++) {
123			ecmd = sk_CONF_VALUE_value(ecmds, i);
124			ctrlname = skip_dot(ecmd->name);
125			ctrlvalue = ecmd->value;
126			#ifdef ENGINE_CONF_DEBUG
127			fprintf(stderr, "ENGINE conf: doing ctrl(%s,%s)\n",
128			ctrlname, ctrlvalue);
129			#endif
130
131			/* First handle some special pseudo ctrls */
132
133			/* Override engine name to use */
134			if (!strcmp(ctrlname, "engine_id"))
135			name = ctrlvalue;
136			else if (!strcmp(ctrlname, "soft_load"))
137			soft = 1;
138			/* Load a dynamic ENGINE */
139			else if (!strcmp(ctrlname, "dynamic_path")) {
140			e = ENGINE_by_id("dynamic");
141			if (!e)
142			goto err;
143			if (!ENGINE_ctrl_cmd_string(e, "SO_PATH", ctrlvalue, 0))
144			goto err;
145			if (!ENGINE_ctrl_cmd_string(e, "LIST_ADD", "2", 0))
146			goto err;
147			if (!ENGINE_ctrl_cmd_string(e, "LOAD", NULL, 0))
148			goto err;
149			}
150			/* ... add other pseudos here ... */
151			else {
152			/* At this point we need an ENGINE structural reference
153			* if we don't already have one.
154			*/
155			if (!e) {
156			e = ENGINE_by_id(name);
157			if (!e && soft) {
158			ERR_clear_error();
159			return 1;
160			}
161			if (!e)
162			goto err;
163			}
164			/* Allow "EMPTY" to mean no value: this allows a valid
165			* "value" to be passed to ctrls of type NO_INPUT
166			*/
167			if (!strcmp(ctrlvalue, "EMPTY"))
168			ctrlvalue = NULL;
169			if (!strcmp(ctrlname, "init")) {
170			if (!NCONF_get_number_e(cnf, value, "init",
171			&do_init))
172			goto err;
173			if (do_init == 1) {
174			if (!int_engine_init(e))
175			goto err;
176			} else if (do_init != 0) {
177			ENGINEerror(ENGINE_R_INVALID_INIT_VALUE);
178			goto err;
179			}
180			}
181			else if (!strcmp(ctrlname, "default_algorithms")) {
182			if (!ENGINE_set_default_string(e, ctrlvalue))
183			goto err;
184			} else if (!ENGINE_ctrl_cmd_string(e,
185			ctrlname, ctrlvalue, 0))
186			goto err;
187			}
188			}
189			if (e && (do_init == -1) && !int_engine_init(e)) {
190			ecmd = NULL;
191			goto err;
192			}
193			ret = 1;
194
195			err:
196			if (ret != 1) {
197			ENGINEerror(ENGINE_R_ENGINE_CONFIGURATION_ERROR);
198			if (ecmd)
199			ERR_asprintf_error_data(
200			"section=%s, name=%s, value=%s",
201			ecmd->section, ecmd->name, ecmd->value);
202			}
203			if (e)
204			ENGINE_free(e);
205			return ret;
206			}
207
208
209			static int
210			int_engine_module_init(CONF_IMODULE md, const CONF cnf)
211			{
212			STACK_OF(CONF_VALUE) *elist;
213			CONF_VALUE *cval;
214			int i;
215
216			#ifdef ENGINE_CONF_DEBUG
217			fprintf(stderr, "Called engine module: name %s, value %s\n",
218			CONF_imodule_get_name(md), CONF_imodule_get_value(md));
219			#endif
220			/* Value is a section containing ENGINEs to configure */
221			elist = NCONF_get_section(cnf, CONF_imodule_get_value(md));
222
223			if (!elist) {
224			ENGINEerror(ENGINE_R_ENGINES_SECTION_ERROR);
225			return 0;
226			}
227
228			for (i = 0; i < sk_CONF_VALUE_num(elist); i++) {
229			cval = sk_CONF_VALUE_value(elist, i);
230			if (!int_engine_configure(cval->name, cval->value, cnf))
231			return 0;
232			}
233
234			return 1;
235			}
236
237			static void
238			int_engine_module_finish(CONF_IMODULE *md)
239			{
240			ENGINE *e;
241
242			while ((e = sk_ENGINE_pop(initialized_engines)))
243			ENGINE_finish(e);
244			sk_ENGINE_free(initialized_engines);
245			initialized_engines = NULL;
246			}
247
248			void
249			ENGINE_add_conf_module(void)
250			{
251		2792	CONF_module_add("engines", int_engine_module_init,
252			int_engine_module_finish);
253		1396	}