Head

GCC Code Coverage Report

Directory:	./		Exec	Total	Coverage
File:	lib/libcrypto/conf/conf_def.c	Lines:	162	309	52.4 %
Date:	2017-11-13	Branches:	90	219	41.1 %


/* $OpenBSD: conf_def.c,v 1.32 2017/01/29 17:49:22 beck 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.]
 */

/* Part of the code in here was originally in conf.c, which is now removed */

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

#include <openssl/buffer.h>
#include <openssl/conf.h>
#include <openssl/conf_api.h>
#include <openssl/err.h>
#include <openssl/lhash.h>
#include <openssl/stack.h>

#include "conf_def.h"

static char *eat_ws(CONF *conf, char *p);
static char *eat_alpha_numeric(CONF *conf, char *p);
static void clear_comments(CONF *conf, char *p);
static int str_copy(CONF *conf, char *section, char **to, char *from);
static char *scan_quote(CONF *conf, char *p);
static char *scan_dquote(CONF *conf, char *p);
#define scan_esc(conf,p)	(((IS_EOF((conf),(p)[1]))?((p)+1):((p)+2)))

static CONF *def_create(CONF_METHOD *meth);
static int def_init_default(CONF *conf);
static int def_init_WIN32(CONF *conf);
static int def_destroy(CONF *conf);
static int def_destroy_data(CONF *conf);
static int def_load(CONF *conf, const char *name, long *eline);
static int def_load_bio(CONF *conf, BIO *bp, long *eline);
static int def_dump(const CONF *conf, BIO *bp);
static int def_is_number(const CONF *conf, char c);
static int def_to_int(const CONF *conf, char c);

static CONF_METHOD default_method = {
	.name = "OpenSSL default",
	.create = def_create,
	.init = def_init_default,
	.destroy = def_destroy,
	.destroy_data = def_destroy_data,
	.load_bio = def_load_bio,
	.dump = def_dump,
	.is_number = def_is_number,
	.to_int = def_to_int,
	.load = def_load
};

static CONF_METHOD WIN32_method = {
	"WIN32",
	def_create,
	def_init_WIN32,
	def_destroy,
	def_destroy_data,
	def_load_bio,
	def_dump,
	def_is_number,
	def_to_int,
	def_load
};

CONF_METHOD *
NCONF_default(void)
{
	return &default_method;
}

CONF_METHOD *
NCONF_WIN32(void)
{
	return &WIN32_method;
}

static CONF *
def_create(CONF_METHOD *meth)
{
	CONF *ret;

	ret = malloc(sizeof(CONF) + sizeof(unsigned short *));
	if (ret)
		if (meth->init(ret) == 0) {
			free(ret);
			ret = NULL;
		}
	return ret;
}

static int
def_init_default(CONF *conf)
{
	if (conf == NULL)
		return 0;

	conf->meth = &default_method;
	conf->meth_data = CONF_type_default;
	conf->data = NULL;

	return 1;
}

static int
def_init_WIN32(CONF *conf)
{
	if (conf == NULL)
		return 0;

	conf->meth = &WIN32_method;
	conf->meth_data = (void *)CONF_type_win32;
	conf->data = NULL;

	return 1;
}

static int
def_destroy(CONF *conf)
{
	if (def_destroy_data(conf)) {
		free(conf);
		return 1;
	}
	return 0;
}

static int
def_destroy_data(CONF *conf)
{
	if (conf == NULL)
		return 0;
	_CONF_free_data(conf);
	return 1;
}

static int
def_load(CONF *conf, const char *name, long *line)
{
	int ret;
	BIO *in = NULL;

	in = BIO_new_file(name, "rb");
	if (in == NULL) {
		if (ERR_GET_REASON(ERR_peek_last_error()) == BIO_R_NO_SUCH_FILE)
			CONFerror(CONF_R_NO_SUCH_FILE);
		else
			CONFerror(ERR_R_SYS_LIB);
		return 0;
	}

	ret = def_load_bio(conf, in, line);
	BIO_free(in);

	return ret;
}

static int
def_load_bio(CONF *conf, BIO *in, long *line)
{
/* The macro BUFSIZE conflicts with a system macro in VxWorks */
#define CONFBUFSIZE	512
	int bufnum = 0, i, ii;
	BUF_MEM *buff = NULL;
	char *s, *p, *end;
	int again;
	long eline = 0;
	CONF_VALUE *v = NULL, *tv;
	CONF_VALUE *sv = NULL;
	char *section = NULL, *buf;
	char *start, *psection, *pname;
	void *h = (void *)(conf->data);

	if ((buff = BUF_MEM_new()) == NULL) {
		CONFerror(ERR_R_BUF_LIB);
		goto err;
	}

	section = strdup("default");
	if (section == NULL) {
		CONFerror(ERR_R_MALLOC_FAILURE);
		goto err;
	}

	if (_CONF_new_data(conf) == 0) {
		CONFerror(ERR_R_MALLOC_FAILURE);
		goto err;
	}

	sv = _CONF_new_section(conf, section);
	if (sv == NULL) {
		CONFerror(CONF_R_UNABLE_TO_CREATE_NEW_SECTION);
		goto err;
	}

	bufnum = 0;
	again = 0;
	for (;;) {
		if (!BUF_MEM_grow(buff, bufnum + CONFBUFSIZE)) {
			CONFerror(ERR_R_BUF_LIB);
			goto err;
		}
		p = &(buff->data[bufnum]);
		*p = '\0';
		BIO_gets(in, p, CONFBUFSIZE - 1);
		p[CONFBUFSIZE - 1] = '\0';
		ii = i = strlen(p);
		if (i == 0 && !again)
			break;
		again = 0;
		while (i > 0) {
			if ((p[i - 1] != '\r') && (p[i - 1] != '\n'))
				break;
			else
				i--;
		}
		/* we removed some trailing stuff so there is a new
		 * line on the end. */
		if (ii && i == ii)
			again = 1; /* long line */
		else {
			p[i] = '\0';
			eline++; /* another input line */
		}

		/* we now have a line with trailing \r\n removed */

		/* i is the number of bytes */
		bufnum += i;

		v = NULL;
		/* check for line continuation */
		if (bufnum >= 1) {
			/* If we have bytes and the last char '\\' and
			 * second last char is not '\\' */
			p = &(buff->data[bufnum - 1]);
			if (IS_ESC(conf, p[0]) &&
			    ((bufnum <= 1) || !IS_ESC(conf, p[-1]))) {
				bufnum--;
				again = 1;
			}
		}
		if (again)
			continue;
		bufnum = 0;
		buf = buff->data;

		clear_comments(conf, buf);
		s = eat_ws(conf, buf);
		if (IS_EOF(conf, *s))
			continue; /* blank line */
		if (*s == '[') {
			char *ss;

			s++;
			start = eat_ws(conf, s);
			ss = start;
again:
			end = eat_alpha_numeric(conf, ss);
			p = eat_ws(conf, end);
			if (*p != ']') {
				if (*p != '\0' && ss != p) {
					ss = p;
					goto again;
				}
				CONFerror(CONF_R_MISSING_CLOSE_SQUARE_BRACKET);
				goto err;
			}
			*end = '\0';
			if (!str_copy(conf, NULL, &section, start))
				goto err;
			if ((sv = _CONF_get_section(conf, section)) == NULL)
				sv = _CONF_new_section(conf, section);
			if (sv == NULL) {
				CONFerror(CONF_R_UNABLE_TO_CREATE_NEW_SECTION);
				goto err;
			}
			continue;
		} else {
			pname = s;
			psection = NULL;
			end = eat_alpha_numeric(conf, s);
			if ((end[0] == ':') && (end[1] == ':')) {
				*end = '\0';
				end += 2;
				psection = pname;
				pname = end;
				end = eat_alpha_numeric(conf, end);
			}
			p = eat_ws(conf, end);
			if (*p != '=') {
				CONFerror(CONF_R_MISSING_EQUAL_SIGN);
				goto err;
			}
			*end = '\0';
			p++;
			start = eat_ws(conf, p);
			while (!IS_EOF(conf, *p))
				p++;
			p--;
			while ((p != start) && (IS_WS(conf, *p)))
				p--;
			p++;
			*p = '\0';

			if (!(v = malloc(sizeof(CONF_VALUE)))) {
				CONFerror(ERR_R_MALLOC_FAILURE);
				goto err;
			}
			if (psection == NULL)
				psection = section;
			v->name = strdup(pname);
			v->value = NULL;
			if (v->name == NULL) {
				CONFerror(ERR_R_MALLOC_FAILURE);
				goto err;
			}
			if (!str_copy(conf, psection, &(v->value), start))
				goto err;

			if (strcmp(psection, section) != 0) {
				if ((tv = _CONF_get_section(conf, psection))
					== NULL)
					tv = _CONF_new_section(conf, psection);
				if (tv == NULL) {
					CONFerror(CONF_R_UNABLE_TO_CREATE_NEW_SECTION);
					goto err;
				}
			} else
				tv = sv;

			if (_CONF_add_string(conf, tv, v) == 0) {
				CONFerror(ERR_R_MALLOC_FAILURE);
				goto err;
			}
			v = NULL;
		}
	}
	if (buff != NULL)
		BUF_MEM_free(buff);
	free(section);
	return (1);

err:
	if (buff != NULL)
		BUF_MEM_free(buff);
	free(section);
	if (line != NULL)
		*line = eline;
	ERR_asprintf_error_data("line %ld", eline);
	if ((h != conf->data) && (conf->data != NULL)) {
		CONF_free(conf->data);
		conf->data = NULL;
	}
	if (v != NULL) {
		free(v->name);
		free(v->value);
		free(v);
	}
	return (0);
}

static void
clear_comments(CONF *conf, char *p)
{
	for (;;) {
		if (IS_FCOMMENT(conf, *p)) {
			*p = '\0';
			return;
		}
		if (!IS_WS(conf, *p)) {
			break;
		}
		p++;
	}

	for (;;) {
		if (IS_COMMENT(conf, *p)) {
			*p = '\0';
			return;
		}
		if (IS_DQUOTE(conf, *p)) {
			p = scan_dquote(conf, p);
			continue;
		}
		if (IS_QUOTE(conf, *p)) {
			p = scan_quote(conf, p);
			continue;
		}
		if (IS_ESC(conf, *p)) {
			p = scan_esc(conf, p);
			continue;
		}
		if (IS_EOF(conf, *p))
			return;
		else
			p++;
	}
}

static int
str_copy(CONF *conf, char *section, char **pto, char *from)
{
	int q, r,rr = 0, to = 0, len = 0;
	char *s, *e, *rp, *p, *rrp, *np, *cp, v;
	BUF_MEM *buf;

	if ((buf = BUF_MEM_new()) == NULL)
		return (0);

	len = strlen(from) + 1;
	if (!BUF_MEM_grow(buf, len))
		goto err;

	for (;;) {
		if (IS_QUOTE(conf, *from)) {
			q = *from;
			from++;
			while (!IS_EOF(conf, *from) && (*from != q)) {
				if (IS_ESC(conf, *from)) {
					from++;
					if (IS_EOF(conf, *from))
						break;
				}
				buf->data[to++] = *(from++);
			}
			if (*from == q)
				from++;
		} else if (IS_DQUOTE(conf, *from)) {
			q = *from;
			from++;
			while (!IS_EOF(conf, *from)) {
				if (*from == q) {
					if (*(from + 1) == q) {
						from++;
					} else {
						break;
					}
				}
				buf->data[to++] = *(from++);
			}
			if (*from == q)
				from++;
		} else if (IS_ESC(conf, *from)) {
			from++;
			v = *(from++);
			if (IS_EOF(conf, v))
				break;
			else if (v == 'r')
				v = '\r';
			else if (v == 'n')
				v = '\n';
			else if (v == 'b')
				v = '\b';
			else if (v == 't')
				v = '\t';
			buf->data[to++] = v;
		} else if (IS_EOF(conf, *from))
			break;
		else if (*from == '$') {
			/* try to expand it */
			rrp = NULL;
			s = &(from[1]);
			if (*s == '{')
				q = '}';
			else if (*s == '(')
				q = ')';
			else
				q = 0;

			if (q)
				s++;
			cp = section;
			e = np = s;
			while (IS_ALPHA_NUMERIC(conf, *e))
				e++;
			if ((e[0] == ':') && (e[1] == ':')) {
				cp = np;
				rrp = e;
				rr = *e;
				*rrp = '\0';
				e += 2;
				np = e;
				while (IS_ALPHA_NUMERIC(conf, *e))
					e++;
			}
			r = *e;
			*e = '\0';
			rp = e;
			if (q) {
				if (r != q) {
					CONFerror(CONF_R_NO_CLOSE_BRACE);
					goto err;
				}
				e++;
			}
			/* So at this point we have
			 * np which is the start of the name string which is
			 *   '\0' terminated.
			 * cp which is the start of the section string which is
			 *   '\0' terminated.
			 * e is the 'next point after'.
			 * r and rr are the chars replaced by the '\0'
			 * rp and rrp is where 'r' and 'rr' came from.
			 */
			p = _CONF_get_string(conf, cp, np);
			if (rrp != NULL)
				*rrp = rr;
			*rp = r;
			if (p == NULL) {
				CONFerror(CONF_R_VARIABLE_HAS_NO_VALUE);
				goto err;
			}
			if (!BUF_MEM_grow_clean(buf,
				(strlen(p) + buf->length - (e - from)))) {
				CONFerror(CONF_R_MODULE_INITIALIZATION_ERROR);
				goto err;
			}
			while (*p)
				buf->data[to++] = *(p++);

			/* Since we change the pointer 'from', we also have
			   to change the perceived length of the string it
			   points at.  /RL */
			len -= e - from;
			from = e;

			/* In case there were no braces or parenthesis around
			   the variable reference, we have to put back the
			   character that was replaced with a '\0'.  /RL */
			*rp = r;
		} else
			buf->data[to++] = *(from++);
	}
	buf->data[to]='\0';
	free(*pto);
	*pto = buf->data;
	free(buf);
	return (1);

err:
	if (buf != NULL)
		BUF_MEM_free(buf);
	return (0);
}

static char *
eat_ws(CONF *conf, char *p)
{
	while (IS_WS(conf, *p) && (!IS_EOF(conf, *p)))
		p++;
	return (p);
}

static char *
eat_alpha_numeric(CONF *conf, char *p)
{
	for (;;) {
		if (IS_ESC(conf, *p)) {
			p = scan_esc(conf, p);
			continue;
		}
		if (!IS_ALPHA_NUMERIC_PUNCT(conf, *p))
			return (p);
		p++;
	}
}

static char *
scan_quote(CONF *conf, char *p)
{
	int q = *p;

	p++;
	while (!(IS_EOF(conf, *p)) && (*p != q)) {
		if (IS_ESC(conf, *p)) {
			p++;
			if (IS_EOF(conf, *p))
				return (p);
		}
		p++;
	}
	if (*p == q)
		p++;
	return (p);
}


static char *
scan_dquote(CONF *conf, char *p)
{
	int q = *p;

	p++;
	while (!(IS_EOF(conf, *p))) {
		if (*p == q) {
			if (*(p + 1) == q) {
				p++;
			} else {
				break;
			}
		}
		p++;
	}
	if (*p == q)
		p++;
	return (p);
}

static void
dump_value_doall_arg(CONF_VALUE *a, BIO *out)
{
	if (a->name)
		BIO_printf(out, "[%s] %s=%s\n", a->section, a->name, a->value);
	else
		BIO_printf(out, "[[%s]]\n", a->section);
}

static IMPLEMENT_LHASH_DOALL_ARG_FN(dump_value, CONF_VALUE, BIO)

static int
def_dump(const CONF *conf, BIO *out)
{
	lh_CONF_VALUE_doall_arg(conf->data, LHASH_DOALL_ARG_FN(dump_value),
	    BIO, out);
	return 1;
}

static int
def_is_number(const CONF *conf, char c)
{
	return IS_NUMBER(conf, c);
}

static int
def_to_int(const CONF *conf, char c)
{
	return c - '0';
}


Generated by: GCOVR (Version 3.3)

Line	Branch	Exec	Source
1			/* $OpenBSD: conf_def.c,v 1.32 2017/01/29 17:49:22 beck 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			/* Part of the code in here was originally in conf.c, which is now removed */
60
61			#include <stdio.h>
62			#include <string.h>
63
64			#include <openssl/buffer.h>
65			#include <openssl/conf.h>
66			#include <openssl/conf_api.h>
67			#include <openssl/err.h>
68			#include <openssl/lhash.h>
69			#include <openssl/stack.h>
70
71			#include "conf_def.h"
72
73			static char eat_ws(CONF conf, char *p);
74			static char eat_alpha_numeric(CONF conf, char *p);
75			static void clear_comments(CONF conf, char p);
76			static int str_copy(CONF conf, char section, char *to, char from);
77			static char scan_quote(CONF conf, char *p);
78			static char scan_dquote(CONF conf, char *p);
79			#define scan_esc(conf,p) (((IS_EOF((conf),(p)[1]))?((p)+1):((p)+2)))
80
81			static CONF def_create(CONF_METHOD meth);
82			static int def_init_default(CONF *conf);
83			static int def_init_WIN32(CONF *conf);
84			static int def_destroy(CONF *conf);
85			static int def_destroy_data(CONF *conf);
86			static int def_load(CONF conf, const char name, long *eline);
87			static int def_load_bio(CONF conf, BIO bp, long *eline);
88			static int def_dump(const CONF conf, BIO bp);
89			static int def_is_number(const CONF *conf, char c);
90			static int def_to_int(const CONF *conf, char c);
91
92			static CONF_METHOD default_method = {
93			.name = "OpenSSL default",
94			.create = def_create,
95			.init = def_init_default,
96			.destroy = def_destroy,
97			.destroy_data = def_destroy_data,
98			.load_bio = def_load_bio,
99			.dump = def_dump,
100			.is_number = def_is_number,
101			.to_int = def_to_int,
102			.load = def_load
103			};
104
105			static CONF_METHOD WIN32_method = {
106			"WIN32",
107			def_create,
108			def_init_WIN32,
109			def_destroy,
110			def_destroy_data,
111			def_load_bio,
112			def_dump,
113			def_is_number,
114			def_to_int,
115			def_load
116			};
117
118			CONF_METHOD *
119			NCONF_default(void)
120			{
121		2870	return &default_method;
122			}
123
124			CONF_METHOD *
125			NCONF_WIN32(void)
126			{
127			return &WIN32_method;
128			}
129
130			static CONF *
131			def_create(CONF_METHOD *meth)
132			{
133			CONF *ret;
134
135		2866	ret = malloc(sizeof(CONF) + sizeof(unsigned short *));
136	✓✗	1433	if (ret)
137	✗✓	1433	if (meth->init(ret) == 0) {
138			free(ret);
139			ret = NULL;
140			}
141		1433	return ret;
142			}
143
144			static int
145			def_init_default(CONF *conf)
146			{
147	✗✓	2878	if (conf == NULL)
148			return 0;
149
150		1439	conf->meth = &default_method;
151		1439	conf->meth_data = CONF_type_default;
152		1439	conf->data = NULL;
153
154		1439	return 1;
155		1439	}
156
157			static int
158			def_init_WIN32(CONF *conf)
159			{
160			if (conf == NULL)
161			return 0;
162
163			conf->meth = &WIN32_method;
164			conf->meth_data = (void *)CONF_type_win32;
165			conf->data = NULL;
166
167			return 1;
168			}
169
170			static int
171			def_destroy(CONF *conf)
172			{
173	✓✗	2866	if (def_destroy_data(conf)) {
174		1433	free(conf);
175		1433	return 1;
176			}
177			return 0;
178		1433	}
179
180			static int
181			def_destroy_data(CONF *conf)
182			{
183	✗✓	2870	if (conf == NULL)
184			return 0;
185		1435	_CONF_free_data(conf);
186		1435	return 1;
187		1435	}
188
189			static int
190			def_load(CONF conf, const char name, long *line)
191			{
192			int ret;
193			BIO *in = NULL;
194
195		2862	in = BIO_new_file(name, "rb");
196	✓✓	1431	if (in == NULL) {
197	✓✗	2	if (ERR_GET_REASON(ERR_peek_last_error()) == BIO_R_NO_SUCH_FILE)
198		2	CONFerror(CONF_R_NO_SUCH_FILE);
199			else
200			CONFerror(ERR_R_SYS_LIB);
201		2	return 0;
202			}
203
204		1429	ret = def_load_bio(conf, in, line);
205		1429	BIO_free(in);
206
207		1429	return ret;
208		1431	}
209
210			static int
211			def_load_bio(CONF conf, BIO in, long *line)
212			{
213			/* The macro BUFSIZE conflicts with a system macro in VxWorks */
214			#define CONFBUFSIZE 512
215			int bufnum = 0, i, ii;
216			BUF_MEM *buff = NULL;
217			char s, p, *end;
218			int again;
219			long eline = 0;
220			CONF_VALUE v = NULL, tv;
221			CONF_VALUE *sv = NULL;
222		2866	char section = NULL, buf;
223			char start, psection, *pname;
224		1433	void h = (void )(conf->data);
225
226	✗✓	1433	if ((buff = BUF_MEM_new()) == NULL) {
227			CONFerror(ERR_R_BUF_LIB);
228			goto err;
229			}
230
231		1433	section = strdup("default");
232	✗✓	1433	if (section == NULL) {
233			CONFerror(ERR_R_MALLOC_FAILURE);
234			goto err;
235			}
236
237	✗✓	1433	if (_CONF_new_data(conf) == 0) {
238			CONFerror(ERR_R_MALLOC_FAILURE);
239			goto err;
240			}
241
242		1433	sv = _CONF_new_section(conf, section);
243	✗✓	1433	if (sv == NULL) {
244			CONFerror(CONF_R_UNABLE_TO_CREATE_NEW_SECTION);
245			goto err;
246			}
247
248			bufnum = 0;
249			again = 0;
250		13507	for (;;) {
251	✗✓	18323	if (!BUF_MEM_grow(buff, bufnum + CONFBUFSIZE)) {
252			CONFerror(ERR_R_BUF_LIB);
253			goto err;
254			}
255		18323	p = &(buff->data[bufnum]);
256		18323	*p = '\0';
257		18323	BIO_gets(in, p, CONFBUFSIZE - 1);
258		18323	p[CONFBUFSIZE - 1] = '\0';
259		18323	ii = i = strlen(p);
260	✓✓	18323	if (i == 0 && !again)
261			break;
262			again = 0;
263	✓✓	67552	while (i > 0) {
264	✓✗✓✓	65692	if ((p[i - 1] != '\r') && (p[i - 1] != '\n'))
265			break;
266			else
267		16886	i--;
268			}
269			/* we removed some trailing stuff so there is a new
270			* line on the end. */
271	✓✗✓✓	33780	if (ii && i == ii)
272		4	again = 1; /* long line */
273			else {
274		16886	p[i] = '\0';
275		16886	eline++; /* another input line */
276			}
277
278			/* we now have a line with trailing \r\n removed */
279
280			/* i is the number of bytes */
281		16890	bufnum += i;
282
283			v = NULL;
284			/* check for line continuation */
285	✓✓	16890	if (bufnum >= 1) {
286			/* If we have bytes and the last char '\\' and
287			* second last char is not '\\' */
288		15960	p = &(buff->data[bufnum - 1]);
289	✗✓✗✗	15960	if (IS_ESC(conf, p[0]) &&
290			((bufnum <= 1) \|\| !IS_ESC(conf, p[-1]))) {
291			bufnum--;
292			again = 1;
293			}
294			}
295	✓✓	16890	if (again)
296		4	continue;
297			bufnum = 0;
298		16886	buf = buff->data;
299
300		16886	clear_comments(conf, buf);
301		16886	s = eat_ws(conf, buf);
302	✓✓	16886	if (IS_EOF(conf, *s))
303		2311	continue; /* blank line */
304	✓✓	14575	if (*s == '[') {
305			char *ss;
306
307		2501	s++;
308		2501	start = eat_ws(conf, s);
309		2501	ss = start;
310			again:
311		2501	end = eat_alpha_numeric(conf, ss);
312		2501	p = eat_ws(conf, end);
313	✗✓	2501	if (*p != ']') {
314			if (*p != '\0' && ss != p) {
315			ss = p;
316			goto again;
317			}
318			CONFerror(CONF_R_MISSING_CLOSE_SQUARE_BRACKET);
319			goto err;
320			}
321		2501	*end = '\0';
322	✗✓	2501	if (!str_copy(conf, NULL, &section, start))
323			goto err;
324	✓✗	2501	if ((sv = _CONF_get_section(conf, section)) == NULL)
325		2501	sv = _CONF_new_section(conf, section);
326	✗✓	2501	if (sv == NULL) {
327			CONFerror(CONF_R_UNABLE_TO_CREATE_NEW_SECTION);
328			goto err;
329			}
330	✓✗✓	2501	continue;
331			} else {
332			pname = s;
333			psection = NULL;
334		12074	end = eat_alpha_numeric(conf, s);
335	✗✓✗✗	12074	if ((end[0] == ':') && (end[1] == ':')) {
336			*end = '\0';
337			end += 2;
338			psection = pname;
339			pname = end;
340			end = eat_alpha_numeric(conf, end);
341			}
342		12074	p = eat_ws(conf, end);
343	✗✓	12074	if (*p != '=') {
344			CONFerror(CONF_R_MISSING_EQUAL_SIGN);
345			goto err;
346			}
347		12074	*end = '\0';
348		12074	p++;
349		12074	start = eat_ws(conf, p);
350	✓✓	425056	while (!IS_EOF(conf, *p))
351		200454	p++;
352		12074	p--;
353	✓✓✓✓	47529	while ((p != start) && (IS_WS(conf, *p)))
354		232	p--;
355		12074	p++;
356		12074	*p = '\0';
357
358	✗✓	12074	if (!(v = malloc(sizeof(CONF_VALUE)))) {
359			CONFerror(ERR_R_MALLOC_FAILURE);
360			goto err;
361			}
362	✓✗	12074	if (psection == NULL)
363		12074	psection = section;
364		12074	v->name = strdup(pname);
365		12074	v->value = NULL;
366	✗✓	12074	if (v->name == NULL) {
367			CONFerror(ERR_R_MALLOC_FAILURE);
368			goto err;
369			}
370	✓✗	12074	if (!str_copy(conf, psection, &(v->value), start))
371			goto err;
372
373	✗✓	12074	if (strcmp(psection, section) != 0) {
374			if ((tv = _CONF_get_section(conf, psection))
375			== NULL)
376			tv = _CONF_new_section(conf, psection);
377			if (tv == NULL) {
378			CONFerror(CONF_R_UNABLE_TO_CREATE_NEW_SECTION);
379			goto err;
380			}
381			} else
382			tv = sv;
383
384	✗✓	12074	if (_CONF_add_string(conf, tv, v) == 0) {
385			CONFerror(ERR_R_MALLOC_FAILURE);
386			goto err;
387			}
388			v = NULL;
389			}
390			}
391	✓✗	1433	if (buff != NULL)
392		1433	BUF_MEM_free(buff);
393		1433	free(section);
394		1433	return (1);
395
396			err:
397			if (buff != NULL)
398			BUF_MEM_free(buff);
399			free(section);
400			if (line != NULL)
401			*line = eline;
402			ERR_asprintf_error_data("line %ld", eline);
403			if ((h != conf->data) && (conf->data != NULL)) {
404			CONF_free(conf->data);
405			conf->data = NULL;
406			}
407			if (v != NULL) {
408			free(v->name);
409			free(v->value);
410			free(v);
411			}
412			return (0);
413		1433	}
414
415			static void
416			clear_comments(CONF conf, char p)
417			{
418		33772	for (;;) {
419	✗✓	16886	if (IS_FCOMMENT(conf, *p)) {
420			*p = '\0';
421			return;
422			}
423	✗✓	16886	if (!IS_WS(conf, *p)) {
424			break;
425			}
426			p++;
427			}
428
429		492954	for (;;) {
430	✓✓	492954	if (IS_COMMENT(conf, *p)) {
431			*p = '\0';
432		1381	return;
433			}
434	✗✓	491573	if (IS_DQUOTE(conf, *p)) {
435			p = scan_dquote(conf, p);
436			continue;
437			}
438	✗✓	491573	if (IS_QUOTE(conf, *p)) {
439			p = scan_quote(conf, p);
440			continue;
441			}
442	✗✓	491573	if (IS_ESC(conf, *p)) {
443			p = scan_esc(conf, p);
444			continue;
445			}
446	✓✓	491573	if (IS_EOF(conf, *p))
447			return;
448			else
449		476068	p++;
450			}
451		18267	}
452
453			static int
454			str_copy(CONF conf, char section, char *pto, char from)
455			{
456			int q, r,rr = 0, to = 0, len = 0;
457			char s, e, rp, p, rrp, np, *cp, v;
458			BUF_MEM *buf;
459
460	✗✓	29150	if ((buf = BUF_MEM_new()) == NULL)
461			return (0);
462
463		14575	len = strlen(from) + 1;
464	✓✗	14575	if (!BUF_MEM_grow(buf, len))
465			goto err;
466
467		228168	for (;;) {
468	✗✓	228168	if (IS_QUOTE(conf, *from)) {
469			q = *from;
470			from++;
471			while (!IS_EOF(conf, from) && (from != q)) {
472			if (IS_ESC(conf, *from)) {
473			from++;
474			if (IS_EOF(conf, *from))
475			break;
476			}
477			buf->data[to++] = *(from++);
478			}
479			if (*from == q)
480			from++;
481	✗✓	228168	} else if (IS_DQUOTE(conf, *from)) {
482			q = *from;
483			from++;
484			while (!IS_EOF(conf, *from)) {
485			if (*from == q) {
486			if (*(from + 1) == q) {
487			from++;
488			} else {
489			break;
490			}
491			}
492			buf->data[to++] = *(from++);
493			}
494			if (*from == q)
495			from++;
496	✗✓	228168	} else if (IS_ESC(conf, *from)) {
497			from++;
498			v = *(from++);
499			if (IS_EOF(conf, v))
500			break;
501			else if (v == 'r')
502			v = '\r';
503			else if (v == 'n')
504			v = '\n';
505			else if (v == 'b')
506			v = '\b';
507			else if (v == 't')
508			v = '\t';
509			buf->data[to++] = v;
510	✓✓	228168	} else if (IS_EOF(conf, *from))
511			break;
512	✓✓	213593	else if (*from == '$') {
513			/* try to expand it */
514			rrp = NULL;
515		684	s = &(from[1]);
516	✗✓	684	if (*s == '{')
517			q = '}';
518	✗✓	684	else if (*s == '(')
519			q = ')';
520			else
521			q = 0;
522
523	✗✓	684	if (q)
524			s++;
525			cp = section;
526			e = np = s;
527	✓✓	5472	while (IS_ALPHA_NUMERIC(conf, *e))
528		2052	e++;
529	✗✓✗✗	684	if ((e[0] == ':') && (e[1] == ':')) {
530			cp = np;
531			rrp = e;
532			rr = *e;
533			*rrp = '\0';
534			e += 2;
535			np = e;
536			while (IS_ALPHA_NUMERIC(conf, *e))
537			e++;
538			}
539		684	r = *e;
540		684	*e = '\0';
541			rp = e;
542	✗✓	684	if (q) {
543			if (r != q) {
544			CONFerror(CONF_R_NO_CLOSE_BRACE);
545			goto err;
546			}
547			e++;
548			}
549			/* So at this point we have
550			* np which is the start of the name string which is
551			* '\0' terminated.
552			* cp which is the start of the section string which is
553			* '\0' terminated.
554			* e is the 'next point after'.
555			* r and rr are the chars replaced by the '\0'
556			* rp and rrp is where 'r' and 'rr' came from.
557			*/
558		684	p = _CONF_get_string(conf, cp, np);
559	✗✓	684	if (rrp != NULL)
560			*rrp = rr;
561		684	*rp = r;
562	✗✓	684	if (p == NULL) {
563			CONFerror(CONF_R_VARIABLE_HAS_NO_VALUE);
564			goto err;
565			}
566	✗✓	684	if (!BUF_MEM_grow_clean(buf,
567		684	(strlen(p) + buf->length - (e - from)))) {
568			CONFerror(CONF_R_MODULE_INITIALIZATION_ERROR);
569			goto err;
570			}
571	✓✓	30324	while (*p)
572		14478	buf->data[to++] = *(p++);
573
574			/* Since we change the pointer 'from', we also have
575			to change the perceived length of the string it
576			points at. /RL */
577		684	len -= e - from;
578			from = e;
579
580			/* In case there were no braces or parenthesis around
581			the variable reference, we have to put back the
582			character that was replaced with a '\0'. /RL */
583		684	*rp = r;
584		684	} else
585		212909	buf->data[to++] = *(from++);
586			}
587		14575	buf->data[to]='\0';
588		14575	free(*pto);
589		14575	*pto = buf->data;
590		14575	free(buf);
591		14575	return (1);
592
593			err:
594			if (buf != NULL)
595			BUF_MEM_free(buf);
596			return (0);
597		14575	}
598
599			static char *
600			eat_ws(CONF conf, char p)
601			{
602	✓✓✓✓	460696	while (IS_WS(conf, p) && (!IS_EOF(conf, p)))
603		69138	p++;
604		46036	return (p);
605			}
606
607			static char *
608			eat_alpha_numeric(CONF conf, char p)
609			{
610		230620	for (;;) {
611	✗✓	216045	if (IS_ESC(conf, *p)) {
612			p = scan_esc(conf, p);
613			continue;
614			}
615	✓✓	216045	if (!IS_ALPHA_NUMERIC_PUNCT(conf, *p))
616		14575	return (p);
617		201470	p++;
618			}
619			}
620
621			static char *
622			scan_quote(CONF conf, char p)
623			{
624			int q = *p;
625
626			p++;
627			while (!(IS_EOF(conf, p)) && (p != q)) {
628			if (IS_ESC(conf, *p)) {
629			p++;
630			if (IS_EOF(conf, *p))
631			return (p);
632			}
633			p++;
634			}
635			if (*p == q)
636			p++;
637			return (p);
638			}
639
640
641			static char *
642			scan_dquote(CONF conf, char p)
643			{
644			int q = *p;
645
646			p++;
647			while (!(IS_EOF(conf, *p))) {
648			if (*p == q) {
649			if (*(p + 1) == q) {
650			p++;
651			} else {
652			break;
653			}
654			}
655			p++;
656			}
657			if (*p == q)
658			p++;
659			return (p);
660			}
661
662			static void
663			dump_value_doall_arg(CONF_VALUE a, BIO out)
664			{
665			if (a->name)
666			BIO_printf(out, "[%s] %s=%s\n", a->section, a->name, a->value);
667			else
668			BIO_printf(out, "[[%s]]\n", a->section);
669			}
670
671			static IMPLEMENT_LHASH_DOALL_ARG_FN(dump_value, CONF_VALUE, BIO)
672
673			static int
674			def_dump(const CONF conf, BIO out)
675			{
676			lh_CONF_VALUE_doall_arg(conf->data, LHASH_DOALL_ARG_FN(dump_value),
677			BIO, out);
678			return 1;
679			}
680
681			static int
682			def_is_number(const CONF *conf, char c)
683			{
684		56	return IS_NUMBER(conf, c);
685			}
686
687			static int
688			def_to_int(const CONF *conf, char c)
689			{
690		28	return c - '0';
691			}