Delete bundled copy of OpenSSL and replace with README.

openssl/crypto/conf/conf_def.c

Index: openssl/crypto/conf/conf_def.c
diff --git a/openssl/crypto/conf/conf_def.c b/openssl/crypto/conf/conf_def.c
deleted file mode 100644
index cf951320af8ee344e60d4fd863be34dc3cebce8c..0000000000000000000000000000000000000000
--- a/openssl/crypto/conf/conf_def.c
+++ /dev/null
@@ -1,740 +0,0 @@
-/* crypto/conf/conf.c */
-/* 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 "cryptlib.h"
-#include <openssl/stack.h>
-#include <openssl/lhash.h>
-#include <openssl/conf.h>
-#include <openssl/conf_api.h>
-#include "conf_def.h"
-#include <openssl/buffer.h>
-#include <openssl/err.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);
-
-const char CONF_def_version[]="CONF_def" OPENSSL_VERSION_PTEXT;
-
-static CONF_METHOD default_method = {
-	"OpenSSL default",
-	def_create,
-	def_init_default,
-	def_destroy,
-	def_destroy_data,
-	def_load_bio,
-	def_dump,
-	def_is_number,
-	def_to_int,
-	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()
-	{
-	return &default_method;
-	}
-CONF_METHOD *NCONF_WIN32()
-	{
-	return &WIN32_method;
-	}
-
-static CONF *def_create(CONF_METHOD *meth)
-	{
-	CONF *ret;
-
-	ret = OPENSSL_malloc(sizeof(CONF) + sizeof(unsigned short *));
-	if (ret)
-		if (meth->init(ret) == 0)
-			{
-			OPENSSL_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))
-		{
-		OPENSSL_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;
-
-#ifdef OPENSSL_SYS_VMS
-	in=BIO_new_file(name, "r");
-#else
-	in=BIO_new_file(name, "rb");
-#endif
-	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;
-	char btmp[DECIMAL_SIZE(eline)+1];
-	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=(char *)OPENSSL_malloc(10);
-	if (section == NULL)
-		{
-		CONFerr(CONF_F_DEF_LOAD_BIO,ERR_R_MALLOC_FAILURE);
-		goto err;
-		}
-	BUF_strlcpy(section,"default",10);
-
-	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;
-					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=(CONF_VALUE *)OPENSSL_malloc(sizeof(CONF_VALUE))))
-				{
-				CONFerr(CONF_F_DEF_LOAD_BIO,
-							ERR_R_MALLOC_FAILURE);
-				goto err;
-				}
-			if (psection == NULL) psection=section;
-			v->name=(char *)OPENSSL_malloc(strlen(pname)+1);
-			v->value=NULL;
-			if (v->name == NULL)
-				{
-				CONFerr(CONF_F_DEF_LOAD_BIO,
-							ERR_R_MALLOC_FAILURE);
-				goto err;
-				}
-			BUF_strlcpy(v->name,pname,strlen(pname)+1);
-			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 1
-			if (_CONF_add_string(conf, tv, v) == 0)
-				{
-				CONFerr(CONF_F_DEF_LOAD_BIO,
-							ERR_R_MALLOC_FAILURE);
-				goto err;
-				}
-#else
-			v->section=tv->section;	
-			if (!sk_CONF_VALUE_push(ts,v))
-				{
-				CONFerr(CONF_F_DEF_LOAD_BIO,
-							ERR_R_MALLOC_FAILURE);
-				goto err;
-				}
-			vv=(CONF_VALUE *)lh_insert(conf->data,v);
-			if (vv != NULL)
-				{
-				sk_CONF_VALUE_delete_ptr(ts,vv);
-				OPENSSL_free(vv->name);
-				OPENSSL_free(vv->value);
-				OPENSSL_free(vv);
-				}
-#endif
-			v=NULL;
-			}
-		}
-	if (buff != NULL) BUF_MEM_free(buff);
-	if (section != NULL) OPENSSL_free(section);
-	return(1);
-err:
-	if (buff != NULL) BUF_MEM_free(buff);
-	if (section != NULL) OPENSSL_free(section);
-	if (line != NULL) *line=eline;
-	BIO_snprintf(btmp,sizeof btmp,"%ld",eline);
-	ERR_add_error_data(2,"line ",btmp);
-	if ((h != conf->data) && (conf->data != NULL))
-		{
-		CONF_free(conf->data);
-		conf->data=NULL;
-		}
-	if (v != NULL)
-		{
-		if (v->name != NULL) OPENSSL_free(v->name);
-		if (v->value != NULL) OPENSSL_free(v->value);
-		if (v != NULL) OPENSSL_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;
-				}
-			BUF_MEM_grow_clean(buf,(strlen(p)+buf->length-(e-from)));
-			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';
-	if (*pto != NULL) OPENSSL_free(*pto);
-	*pto=buf->data;
-	OPENSSL_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';
-	}
-