Head

GCC Code Coverage Report

Directory:	./		Exec	Total	Coverage
File:	lib/libcrypto/crypto/../../libssl/src/crypto/conf/conf_def.c	Lines:	154	352	43.8 %
Date:	2016-12-06	Branches:	66	212	31.1 %


/* $OpenBSD: conf_def.c,v 1.31 2015/07/18 22:42:09 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)
			CONFerr(CONF_F_DEF_LOAD, CONF_R_NO_SUCH_FILE);
		else
			CONFerr(CONF_F_DEF_LOAD, 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) {
		CONFerr(CONF_F_DEF_LOAD_BIO, ERR_R_BUF_LIB);
		goto err;
	}

	section = strdup("default");
	if (section == NULL) {
		CONFerr(CONF_F_DEF_LOAD_BIO, ERR_R_MALLOC_FAILURE);
		goto err;
	}

	if (_CONF_new_data(conf) == 0) {
		CONFerr(CONF_F_DEF_LOAD_BIO, ERR_R_MALLOC_FAILURE);
		goto err;
	}

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

	bufnum = 0;
	again = 0;
	for (;;) {
		if (!BUF_MEM_grow(buff, bufnum + CONFBUFSIZE)) {
			CONFerr(CONF_F_DEF_LOAD_BIO, 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;
				}
				CONFerr(CONF_F_DEF_LOAD_BIO,
				    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) {
				CONFerr(CONF_F_DEF_LOAD_BIO,
				    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 != '=') {
				CONFerr(CONF_F_DEF_LOAD_BIO,
				    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)))) {
				CONFerr(CONF_F_DEF_LOAD_BIO,
				    ERR_R_MALLOC_FAILURE);
				goto err;
			}
			if (psection == NULL)
				psection = section;
			v->name = strdup(pname);
			v->value = NULL;
			if (v->name == NULL) {
				CONFerr(CONF_F_DEF_LOAD_BIO,
				    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) {
					CONFerr(CONF_F_DEF_LOAD_BIO,
					    CONF_R_UNABLE_TO_CREATE_NEW_SECTION);
					goto err;
				}
			} else
				tv = sv;

			if (_CONF_add_string(conf, tv, v) == 0) {
				CONFerr(CONF_F_DEF_LOAD_BIO,
				    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) {
					CONFerr(CONF_F_STR_COPY,
					    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) {
				CONFerr(CONF_F_STR_COPY,
				    CONF_R_VARIABLE_HAS_NO_VALUE);
				goto err;
			}
			if (!BUF_MEM_grow_clean(buf,
				(strlen(p) + buf->length - (e - from)))) {
				CONFerr(CONF_F_STR_COPY,
				    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 1.31 2015/07/18 22:42:09 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		8	{
121		8	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		8	{
133			CONF *ret;
134
135		8	ret = malloc(sizeof(CONF) + sizeof(unsigned short *));
136	✓✗	8	if (ret)
137	✗✓	8	if (meth->init(ret) == 0) {
138			free(ret);
139			ret = NULL;
140			}
141		8	return ret;
142			}
143
144			static int
145			def_init_default(CONF *conf)
146		8	{
147	✗✓	8	if (conf == NULL)
148			return 0;
149
150		8	conf->meth = &default_method;
151		8	conf->meth_data = CONF_type_default;
152		8	conf->data = NULL;
153
154		8	return 1;
155			}
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		8	{
173	✓✗	8	if (def_destroy_data(conf)) {
174		8	free(conf);
175		8	return 1;
176			}
177			return 0;
178			}
179
180			static int
181			def_destroy_data(CONF *conf)
182		8	{
183	✗✓	8	if (conf == NULL)
184			return 0;
185		8	_CONF_free_data(conf);
186		8	return 1;
187			}
188
189			static int
190			def_load(CONF conf, const char name, long *line)
191		8	{
192			int ret;
193		8	BIO *in = NULL;
194
195		8	in = BIO_new_file(name, "rb");
196	✗✓	8	if (in == NULL) {
197			if (ERR_GET_REASON(ERR_peek_last_error()) == BIO_R_NO_SUCH_FILE)
198			CONFerr(CONF_F_DEF_LOAD, CONF_R_NO_SUCH_FILE);
199			else
200			CONFerr(CONF_F_DEF_LOAD, ERR_R_SYS_LIB);
201			return 0;
202			}
203
204		8	ret = def_load_bio(conf, in, line);
205		8	BIO_free(in);
206
207		8	return ret;
208			}
209
210			static int
211			def_load_bio(CONF conf, BIO in, long *line)
212		8	{
213			/* The macro BUFSIZE conflicts with a system macro in VxWorks */
214			#define CONFBUFSIZE 512
215		8	int bufnum = 0, i, ii;
216		8	BUF_MEM *buff = NULL;
217			char s, p, *end;
218			int again;
219		8	long eline = 0;
220		8	CONF_VALUE v = NULL, tv;
221		8	CONF_VALUE *sv = NULL;
222		8	char section = NULL, buf;
223			char start, psection, *pname;
224		8	void h = (void )(conf->data);
225
226	✗✓	8	if ((buff = BUF_MEM_new()) == NULL) {
227			CONFerr(CONF_F_DEF_LOAD_BIO, ERR_R_BUF_LIB);
228			goto err;
229			}
230
231		8	section = strdup("default");
232	✗✓	8	if (section == NULL) {
233			CONFerr(CONF_F_DEF_LOAD_BIO, ERR_R_MALLOC_FAILURE);
234			goto err;
235			}
236
237	✗✓	8	if (_CONF_new_data(conf) == 0) {
238			CONFerr(CONF_F_DEF_LOAD_BIO, ERR_R_MALLOC_FAILURE);
239			goto err;
240			}
241
242		8	sv = _CONF_new_section(conf, section);
243	✗✓	8	if (sv == NULL) {
244			CONFerr(CONF_F_DEF_LOAD_BIO,
245			CONF_R_UNABLE_TO_CREATE_NEW_SECTION);
246			goto err;
247			}
248
249		8	bufnum = 0;
250		8	again = 0;
251			for (;;) {
252	✗✓	200	if (!BUF_MEM_grow(buff, bufnum + CONFBUFSIZE)) {
253			CONFerr(CONF_F_DEF_LOAD_BIO, ERR_R_BUF_LIB);
254			goto err;
255			}
256		200	p = &(buff->data[bufnum]);
257		200	*p = '\0';
258		200	BIO_gets(in, p, CONFBUFSIZE - 1);
259		200	p[CONFBUFSIZE - 1] = '\0';
260		200	ii = i = strlen(p);
261	✓✓	200	if (i == 0 && !again)
262		8	break;
263		192	again = 0;
264	✓✓	576	while (i > 0) {
265	✓✓	368	if ((p[i - 1] != '\r') && (p[i - 1] != '\n'))
266		176	break;
267			else
268		192	i--;
269			}
270			/* we removed some trailing stuff so there is a new
271			* line on the end. */
272	✗✓	192	if (ii && i == ii)
273			again = 1; /* long line */
274			else {
275		192	p[i] = '\0';
276		192	eline++; /* another input line */
277			}
278
279			/* we now have a line with trailing \r\n removed */
280
281			/* i is the number of bytes */
282		192	bufnum += i;
283
284		192	v = NULL;
285			/* check for line continuation */
286	✓✓	192	if (bufnum >= 1) {
287			/* If we have bytes and the last char '\\' and
288			* second last char is not '\\' */
289		176	p = &(buff->data[bufnum - 1]);
290	✗✓✗✗ ✗✗	176	if (IS_ESC(conf, p[0]) &&
291			((bufnum <= 1) \|\| !IS_ESC(conf, p[-1]))) {
292			bufnum--;
293			again = 1;
294			}
295			}
296	✗✓	192	if (again)
297			continue;
298		192	bufnum = 0;
299		192	buf = buff->data;
300
301		192	clear_comments(conf, buf);
302		192	s = eat_ws(conf, buf);
303	✓✓	192	if (IS_EOF(conf, *s))
304		40	continue; /* blank line */
305	✓✓	152	if (*s == '[') {
306			char *ss;
307
308		24	s++;
309		24	start = eat_ws(conf, s);
310		24	ss = start;
311		24	again:
312		24	end = eat_alpha_numeric(conf, ss);
313		24	p = eat_ws(conf, end);
314	✗✓	24	if (*p != ']') {
315			if (*p != '\0' && ss != p) {
316			ss = p;
317			goto again;
318			}
319			CONFerr(CONF_F_DEF_LOAD_BIO,
320			CONF_R_MISSING_CLOSE_SQUARE_BRACKET);
321			goto err;
322			}
323		24	*end = '\0';
324	✗✓	24	if (!str_copy(conf, NULL, &section, start))
325			goto err;
326	✓✗	24	if ((sv = _CONF_get_section(conf, section)) == NULL)
327		24	sv = _CONF_new_section(conf, section);
328	✓✗	24	if (sv == NULL) {
329			CONFerr(CONF_F_DEF_LOAD_BIO,
330			CONF_R_UNABLE_TO_CREATE_NEW_SECTION);
331			goto err;
332			}
333			continue;
334			} else {
335		128	pname = s;
336		128	psection = NULL;
337		128	end = eat_alpha_numeric(conf, s);
338	✗✓✗✗	128	if ((end[0] == ':') && (end[1] == ':')) {
339			*end = '\0';
340			end += 2;
341			psection = pname;
342			pname = end;
343			end = eat_alpha_numeric(conf, end);
344			}
345		128	p = eat_ws(conf, end);
346	✗✓	128	if (*p != '=') {
347			CONFerr(CONF_F_DEF_LOAD_BIO,
348			CONF_R_MISSING_EQUAL_SIGN);
349			goto err;
350			}
351		128	*end = '\0';
352		128	p++;
353		128	start = eat_ws(conf, p);
354	✓✓	2592	while (!IS_EOF(conf, *p))
355		2336	p++;
356		128	p--;
357	✓✓✗✓	256	while ((p != start) && (IS_WS(conf, *p)))
358			p--;
359		128	p++;
360		128	*p = '\0';
361
362	✗✓	128	if (!(v = malloc(sizeof(CONF_VALUE)))) {
363			CONFerr(CONF_F_DEF_LOAD_BIO,
364			ERR_R_MALLOC_FAILURE);
365			goto err;
366			}
367	✓✗	128	if (psection == NULL)
368		128	psection = section;
369		128	v->name = strdup(pname);
370		128	v->value = NULL;
371	✗✓	128	if (v->name == NULL) {
372			CONFerr(CONF_F_DEF_LOAD_BIO,
373			ERR_R_MALLOC_FAILURE);
374			goto err;
375			}
376	✗✓	128	if (!str_copy(conf, psection, &(v->value), start))
377			goto err;
378
379	✗✓	128	if (strcmp(psection, section) != 0) {
380			if ((tv = _CONF_get_section(conf, psection))
381			== NULL)
382			tv = _CONF_new_section(conf, psection);
383			if (tv == NULL) {
384			CONFerr(CONF_F_DEF_LOAD_BIO,
385			CONF_R_UNABLE_TO_CREATE_NEW_SECTION);
386			goto err;
387			}
388			} else
389		128	tv = sv;
390
391	✗✓	128	if (_CONF_add_string(conf, tv, v) == 0) {
392			CONFerr(CONF_F_DEF_LOAD_BIO,
393			ERR_R_MALLOC_FAILURE);
394			goto err;
395			}
396		128	v = NULL;
397			}
398			}
399	✓✗	8	if (buff != NULL)
400		8	BUF_MEM_free(buff);
401		8	free(section);
402		8	return (1);
403
404			err:
405			if (buff != NULL)
406			BUF_MEM_free(buff);
407			free(section);
408			if (line != NULL)
409			*line = eline;
410			ERR_asprintf_error_data("line %ld", eline);
411			if ((h != conf->data) && (conf->data != NULL)) {
412			CONF_free(conf->data);
413			conf->data = NULL;
414			}
415			if (v != NULL) {
416			free(v->name);
417			free(v->value);
418			free(v);
419			}
420			return (0);
421			}
422
423			static void
424			clear_comments(CONF conf, char p)
425		192	{
426			for (;;) {
427	✗✓	192	if (IS_FCOMMENT(conf, *p)) {
428			*p = '\0';
429			return;
430			}
431	✗✓	192	if (!IS_WS(conf, *p)) {
432		192	break;
433			}
434			p++;
435			}
436
437			for (;;) {
438	✓✓	5376	if (IS_COMMENT(conf, *p)) {
439		24	*p = '\0';
440		24	return;
441			}
442	✗✓	5352	if (IS_DQUOTE(conf, *p)) {
443			p = scan_dquote(conf, p);
444			continue;
445			}
446	✗✓	5352	if (IS_QUOTE(conf, *p)) {
447			p = scan_quote(conf, p);
448			continue;
449			}
450	✗✓	5352	if (IS_ESC(conf, *p)) {
451			p = scan_esc(conf, p);
452			continue;
453			}
454	✓✓	5352	if (IS_EOF(conf, *p))
455		168	return;
456			else
457		5184	p++;
458			}
459			}
460
461			static int
462			str_copy(CONF conf, char section, char *pto, char from)
463		152	{
464		152	int q, r,rr = 0, to = 0, len = 0;
465			char s, e, rp, p, rrp, np, *cp, v;
466			BUF_MEM *buf;
467
468	✗✓	152	if ((buf = BUF_MEM_new()) == NULL)
469			return (0);
470
471		152	len = strlen(from) + 1;
472	✓✗	152	if (!BUF_MEM_grow(buf, len))
473			goto err;
474
475			for (;;) {
476	✗✓	2672	if (IS_QUOTE(conf, *from)) {
477			q = *from;
478			from++;
479			while (!IS_EOF(conf, from) && (from != q)) {
480			if (IS_ESC(conf, *from)) {
481			from++;
482			if (IS_EOF(conf, *from))
483			break;
484			}
485			buf->data[to++] = *(from++);
486			}
487			if (*from == q)
488			from++;
489	✗✓	2672	} else if (IS_DQUOTE(conf, *from)) {
490			q = *from;
491			from++;
492			while (!IS_EOF(conf, *from)) {
493			if (*from == q) {
494			if (*(from + 1) == q) {
495			from++;
496			} else {
497			break;
498			}
499			}
500			buf->data[to++] = *(from++);
501			}
502			if (*from == q)
503			from++;
504	✗✓	2672	} else if (IS_ESC(conf, *from)) {
505			from++;
506			v = *(from++);
507			if (IS_EOF(conf, v))
508			break;
509			else if (v == 'r')
510			v = '\r';
511			else if (v == 'n')
512			v = '\n';
513			else if (v == 'b')
514			v = '\b';
515			else if (v == 't')
516			v = '\t';
517			buf->data[to++] = v;
518	✓✓	2672	} else if (IS_EOF(conf, *from))
519		152	break;
520	✗✓	2520	else if (*from == '$') {
521			/* try to expand it */
522			rrp = NULL;
523			s = &(from[1]);
524			if (*s == '{')
525			q = '}';
526			else if (*s == '(')
527			q = ')';
528			else
529			q = 0;
530
531			if (q)
532			s++;
533			cp = section;
534			e = np = s;
535			while (IS_ALPHA_NUMERIC(conf, *e))
536			e++;
537			if ((e[0] == ':') && (e[1] == ':')) {
538			cp = np;
539			rrp = e;
540			rr = *e;
541			*rrp = '\0';
542			e += 2;
543			np = e;
544			while (IS_ALPHA_NUMERIC(conf, *e))
545			e++;
546			}
547			r = *e;
548			*e = '\0';
549			rp = e;
550			if (q) {
551			if (r != q) {
552			CONFerr(CONF_F_STR_COPY,
553			CONF_R_NO_CLOSE_BRACE);
554			goto err;
555			}
556			e++;
557			}
558			/* So at this point we have
559			* np which is the start of the name string which is
560			* '\0' terminated.
561			* cp which is the start of the section string which is
562			* '\0' terminated.
563			* e is the 'next point after'.
564			* r and rr are the chars replaced by the '\0'
565			* rp and rrp is where 'r' and 'rr' came from.
566			*/
567			p = _CONF_get_string(conf, cp, np);
568			if (rrp != NULL)
569			*rrp = rr;
570			*rp = r;
571			if (p == NULL) {
572			CONFerr(CONF_F_STR_COPY,
573			CONF_R_VARIABLE_HAS_NO_VALUE);
574			goto err;
575			}
576			if (!BUF_MEM_grow_clean(buf,
577			(strlen(p) + buf->length - (e - from)))) {
578			CONFerr(CONF_F_STR_COPY,
579			CONF_R_MODULE_INITIALIZATION_ERROR);
580			goto err;
581			}
582			while (*p)
583			buf->data[to++] = *(p++);
584
585			/* Since we change the pointer 'from', we also have
586			to change the perceived length of the string it
587			points at. /RL */
588			len -= e - from;
589			from = e;
590
591			/* In case there were no braces or parenthesis around
592			the variable reference, we have to put back the
593			character that was replaced with a '\0'. /RL */
594			*rp = r;
595			} else
596		2520	buf->data[to++] = *(from++);
597			}
598		152	buf->data[to]='\0';
599		152	free(*pto);
600		152	*pto = buf->data;
601		152	free(buf);
602		152	return (1);
603
604			err:
605			if (buf != NULL)
606			BUF_MEM_free(buf);
607			return (0);
608			}
609
610			static char *
611			eat_ws(CONF conf, char p)
612		496	{
613	✓✓	1472	while (IS_WS(conf, p) && (!IS_EOF(conf, p)))
614		480	p++;
615		496	return (p);
616			}
617
618			static char *
619			eat_alpha_numeric(CONF conf, char p)
620		2472	{
621			for (;;) {
622	✗✓	2472	if (IS_ESC(conf, *p)) {
623			p = scan_esc(conf, p);
624			continue;
625			}
626	✓✓	2472	if (!IS_ALPHA_NUMERIC_PUNCT(conf, *p))
627		152	return (p);
628		2320	p++;
629			}
630			}
631
632			static char *
633			scan_quote(CONF conf, char p)
634			{
635			int q = *p;
636
637			p++;
638			while (!(IS_EOF(conf, p)) && (p != q)) {
639			if (IS_ESC(conf, *p)) {
640			p++;
641			if (IS_EOF(conf, *p))
642			return (p);
643			}
644			p++;
645			}
646			if (*p == q)
647			p++;
648			return (p);
649			}
650
651
652			static char *
653			scan_dquote(CONF conf, char p)
654			{
655			int q = *p;
656
657			p++;
658			while (!(IS_EOF(conf, *p))) {
659			if (*p == q) {
660			if (*(p + 1) == q) {
661			p++;
662			} else {
663			break;
664			}
665			}
666			p++;
667			}
668			if (*p == q)
669			p++;
670			return (p);
671			}
672
673			static void
674			dump_value_doall_arg(CONF_VALUE a, BIO out)
675			{
676			if (a->name)
677			BIO_printf(out, "[%s] %s=%s\n", a->section, a->name, a->value);
678			else
679			BIO_printf(out, "[[%s]]\n", a->section);
680			}
681
682			static IMPLEMENT_LHASH_DOALL_ARG_FN(dump_value, CONF_VALUE, BIO)
683
684			static int
685			def_dump(const CONF conf, BIO out)
686			{
687			lh_CONF_VALUE_doall_arg(conf->data, LHASH_DOALL_ARG_FN(dump_value),
688			BIO, out);
689			return 1;
690			}
691
692			static int
693			def_is_number(const CONF *conf, char c)
694			{
695			return IS_NUMBER(conf, c);
696			}
697
698			static int
699			def_to_int(const CONF *conf, char c)
700			{
701			return c - '0';
702			}