Delete bundled copy of OpenSSL and replace with README.

openssl/crypto/x509/by_dir.c

Index: openssl/crypto/x509/by_dir.c
diff --git a/openssl/crypto/x509/by_dir.c b/openssl/crypto/x509/by_dir.c
deleted file mode 100644
index 1a9ad59f475bb4138ed67bb71fc67136eecbcdb9..0000000000000000000000000000000000000000
--- a/openssl/crypto/x509/by_dir.c
+++ /dev/null
@@ -1,489 +0,0 @@
-/* crypto/x509/by_dir.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.]
- */
-
-#include <stdio.h>
-#include <time.h>
-#include <errno.h>
-
-#include "cryptlib.h"
-
-#ifndef NO_SYS_TYPES_H
-# include <sys/types.h>
-#endif
-#ifndef OPENSSL_NO_POSIX_IO
-# include <sys/stat.h>
-#endif
-
-#include <openssl/lhash.h>
-#include <openssl/x509.h>
-
-
-typedef struct lookup_dir_hashes_st
-	{
-	unsigned long hash;
-	int suffix;
-	} BY_DIR_HASH;
-
-typedef struct lookup_dir_entry_st
-	{
-	char *dir;
-	int dir_type;
-	STACK_OF(BY_DIR_HASH) *hashes;
-	} BY_DIR_ENTRY;
-
-typedef struct lookup_dir_st
-	{
-	BUF_MEM *buffer;
-	STACK_OF(BY_DIR_ENTRY) *dirs;
-	} BY_DIR;
-
-DECLARE_STACK_OF(BY_DIR_HASH)
-DECLARE_STACK_OF(BY_DIR_ENTRY)
-
-static int dir_ctrl(X509_LOOKUP *ctx, int cmd, const char *argp, long argl,
-	char **ret);
-static int new_dir(X509_LOOKUP *lu);
-static void free_dir(X509_LOOKUP *lu);
-static int add_cert_dir(BY_DIR *ctx,const char *dir,int type);
-static int get_cert_by_subject(X509_LOOKUP *xl,int type,X509_NAME *name,
-	X509_OBJECT *ret);
-X509_LOOKUP_METHOD x509_dir_lookup=
-	{
-	"Load certs from files in a directory",
-	new_dir,		/* new */
-	free_dir,		/* free */
-	NULL, 			/* init */
-	NULL,			/* shutdown */
-	dir_ctrl,		/* ctrl */
-	get_cert_by_subject,	/* get_by_subject */
-	NULL,			/* get_by_issuer_serial */
-	NULL,			/* get_by_fingerprint */
-	NULL,			/* get_by_alias */
-	};
-
-X509_LOOKUP_METHOD *X509_LOOKUP_hash_dir(void)
-	{
-	return(&x509_dir_lookup);
-	}
-
-static int dir_ctrl(X509_LOOKUP *ctx, int cmd, const char *argp, long argl,
-	     char **retp)
-	{
-	int ret=0;
-	BY_DIR *ld;
-	char *dir = NULL;
-
-	ld=(BY_DIR *)ctx->method_data;
-
-	switch (cmd)
-		{
-	case X509_L_ADD_DIR:
-		if (argl == X509_FILETYPE_DEFAULT)
-			{
-			dir=(char *)getenv(X509_get_default_cert_dir_env());
-			if (dir)
-				ret=add_cert_dir(ld,dir,X509_FILETYPE_PEM);
-			else
-				ret=add_cert_dir(ld,X509_get_default_cert_dir(),
-					X509_FILETYPE_PEM);
-			if (!ret)
-				{
-				X509err(X509_F_DIR_CTRL,X509_R_LOADING_CERT_DIR);
-				}
-			}
-		else
-			ret=add_cert_dir(ld,argp,(int)argl);
-		break;
-		}
-	return(ret);
-	}
-
-static int new_dir(X509_LOOKUP *lu)
-	{
-	BY_DIR *a;
-
-	if ((a=(BY_DIR *)OPENSSL_malloc(sizeof(BY_DIR))) == NULL)
-		return(0);
-	if ((a->buffer=BUF_MEM_new()) == NULL)
-		{
-		OPENSSL_free(a);
-		return(0);
-		}
-	a->dirs=NULL;
-	lu->method_data=(char *)a;
-	return(1);
-	}
-
-static void by_dir_hash_free(BY_DIR_HASH *hash)
-	{
-	OPENSSL_free(hash);
-	}
-
-static int by_dir_hash_cmp(const BY_DIR_HASH * const *a,
-			const BY_DIR_HASH * const *b)
-	{
-	if ((*a)->hash > (*b)->hash)
-		return 1;
-	if ((*a)->hash < (*b)->hash)
-		return -1;
-	return 0;
-	}
-
-static void by_dir_entry_free(BY_DIR_ENTRY *ent)
-	{
-	if (ent->dir)
-		OPENSSL_free(ent->dir);
-	if (ent->hashes)
-		sk_BY_DIR_HASH_pop_free(ent->hashes, by_dir_hash_free);
-	OPENSSL_free(ent);
-	}
-
-static void free_dir(X509_LOOKUP *lu)
-	{
-	BY_DIR *a;
-
-	a=(BY_DIR *)lu->method_data;
-	if (a->dirs != NULL)
-		sk_BY_DIR_ENTRY_pop_free(a->dirs, by_dir_entry_free);
-	if (a->buffer != NULL)
-		BUF_MEM_free(a->buffer);
-	OPENSSL_free(a);
-	}
-
-static int add_cert_dir(BY_DIR *ctx, const char *dir, int type)
-	{
-	int j,len;
-	const char *s,*ss,*p;
-
-	if (dir == NULL || !*dir)
-	    {
-	    X509err(X509_F_ADD_CERT_DIR,X509_R_INVALID_DIRECTORY);
-	    return 0;
-	    }
-
-	s=dir;
-	p=s;
-	for (;;p++)
-		{
-		if ((*p == LIST_SEPARATOR_CHAR) || (*p == '\0'))
-			{
-			BY_DIR_ENTRY *ent;
-			ss=s;
-			s=p+1;
-			len=(int)(p-ss);
-			if (len == 0) continue;
-			for (j=0; j < sk_BY_DIR_ENTRY_num(ctx->dirs); j++)
-				{
-				ent = sk_BY_DIR_ENTRY_value(ctx->dirs, j);
-				if (strlen(ent->dir) == (size_t)len &&
-				    strncmp(ent->dir,ss,(unsigned int)len) == 0)
-					break;
-				}
-			if (j < sk_BY_DIR_ENTRY_num(ctx->dirs))
-				continue;
-			if (ctx->dirs == NULL)
-				{
-				ctx->dirs = sk_BY_DIR_ENTRY_new_null();
-				if (!ctx->dirs)
-					{
-					X509err(X509_F_ADD_CERT_DIR,ERR_R_MALLOC_FAILURE);
-					return 0;
-					}
-				}
-			ent = OPENSSL_malloc(sizeof(BY_DIR_ENTRY));
-			if (!ent)
-				return 0;
-			ent->dir_type = type;
-			ent->hashes = sk_BY_DIR_HASH_new(by_dir_hash_cmp);
-			ent->dir = OPENSSL_malloc((unsigned int)len+1);
-			if (!ent->dir || !ent->hashes)
-				{
-				by_dir_entry_free(ent);
-				return 0;
-				}
-			strncpy(ent->dir,ss,(unsigned int)len);
-			ent->dir[len] = '\0';
-			if (!sk_BY_DIR_ENTRY_push(ctx->dirs, ent))
-				{
-				by_dir_entry_free(ent);
-				return 0;
-				}
-			}
-		if (*p == '\0')
-			break;
-		}
-	return 1;
-	}
-
-static int get_cert_by_subject(X509_LOOKUP *xl, int type, X509_NAME *name,
-	     X509_OBJECT *ret)
-	{
-	BY_DIR *ctx;
-	union	{
-		struct	{
-			X509 st_x509;
-			X509_CINF st_x509_cinf;
-			} x509;
-		struct	{
-			X509_CRL st_crl;
-			X509_CRL_INFO st_crl_info;
-			} crl;
-		} data;
-	int ok=0;
-	int i,j,k;
-	unsigned long h;
-	unsigned long hash_array[2];
-	int hash_index;
-	BUF_MEM *b=NULL;
-	X509_OBJECT stmp,*tmp;
-	const char *postfix="";
-
-	if (name == NULL) return(0);
-
-	stmp.type=type;
-	if (type == X509_LU_X509)
-		{
-		data.x509.st_x509.cert_info= &data.x509.st_x509_cinf;
-		data.x509.st_x509_cinf.subject=name;
-		stmp.data.x509= &data.x509.st_x509;
-		postfix="";
-		}
-	else if (type == X509_LU_CRL)
-		{
-		data.crl.st_crl.crl= &data.crl.st_crl_info;
-		data.crl.st_crl_info.issuer=name;
-		stmp.data.crl= &data.crl.st_crl;
-		postfix="r";
-		}
-	else
-		{
-		X509err(X509_F_GET_CERT_BY_SUBJECT,X509_R_WRONG_LOOKUP_TYPE);
-		goto finish;
-		}
-
-	if ((b=BUF_MEM_new()) == NULL)
-		{
-		X509err(X509_F_GET_CERT_BY_SUBJECT,ERR_R_BUF_LIB);
-		goto finish;
-		}
-	
-	ctx=(BY_DIR *)xl->method_data;
-
-	hash_array[0]=X509_NAME_hash(name);
-	hash_array[1]=X509_NAME_hash_old(name);
-	for (hash_index=0; hash_index < 2; ++hash_index)
-		{
-		h=hash_array[hash_index];
-	for (i=0; i < sk_BY_DIR_ENTRY_num(ctx->dirs); i++)
-		{
-		BY_DIR_ENTRY *ent;
-		int idx;
-		BY_DIR_HASH htmp, *hent;
-		ent = sk_BY_DIR_ENTRY_value(ctx->dirs, i);
-		j=strlen(ent->dir)+1+8+6+1+1;
-		if (!BUF_MEM_grow(b,j))
-			{
-			X509err(X509_F_GET_CERT_BY_SUBJECT,ERR_R_MALLOC_FAILURE);
-			goto finish;
-			}
-		if (type == X509_LU_CRL && ent->hashes)
-			{
-			htmp.hash = h;
-			CRYPTO_r_lock(CRYPTO_LOCK_X509_STORE);
-			idx = sk_BY_DIR_HASH_find(ent->hashes, &htmp);
-			if (idx >= 0)
-				{
-				hent = sk_BY_DIR_HASH_value(ent->hashes, idx);
-				k = hent->suffix;
-				}
-			else
-				{
-				hent = NULL;
-				k=0;
-				}
-			CRYPTO_r_unlock(CRYPTO_LOCK_X509_STORE);
-			}
-		else
-			{
-			k = 0;
-			hent = NULL;
-			}
-		for (;;)
-			{
-			char c = '/';
-#ifdef OPENSSL_SYS_VMS
-			c = ent->dir[strlen(ent->dir)-1];
-			if (c != ':' && c != '>' && c != ']')
-				{
-				/* If no separator is present, we assume the
-				   directory specifier is a logical name, and
-				   add a colon.  We really should use better
-				   VMS routines for merging things like this,
-				   but this will do for now...
-				   -- Richard Levitte */
-				c = ':';
-				}
-			else
-				{
-				c = '\0';
-				}
-#endif
-			if (c == '\0')
-				{
-				/* This is special.  When c == '\0', no
-				   directory separator should be added. */
-				BIO_snprintf(b->data,b->max,
-					"%s%08lx.%s%d",ent->dir,h,
-					postfix,k);
-				}
-			else
-				{
-				BIO_snprintf(b->data,b->max,
-					"%s%c%08lx.%s%d",ent->dir,c,h,
-					postfix,k);
-				}
-#ifndef OPENSSL_NO_POSIX_IO
-#ifdef _WIN32
-#define stat _stat
-#endif
-			{
-			struct stat st;
-			if (stat(b->data,&st) < 0)
-				break;
-			}
-#endif
-			/* found one. */
-			if (type == X509_LU_X509)
-				{
-				if ((X509_load_cert_file(xl,b->data,
-					ent->dir_type)) == 0)
-					break;
-				}
-			else if (type == X509_LU_CRL)
-				{
-				if ((X509_load_crl_file(xl,b->data,
-					ent->dir_type)) == 0)
-					break;
-				}
-			/* else case will caught higher up */
-			k++;
-			}
-
-		/* we have added it to the cache so now pull
-		 * it out again */
-		CRYPTO_w_lock(CRYPTO_LOCK_X509_STORE);
-		j = sk_X509_OBJECT_find(xl->store_ctx->objs,&stmp);
-		if(j != -1) tmp=sk_X509_OBJECT_value(xl->store_ctx->objs,j);
-		else tmp = NULL;
-		CRYPTO_w_unlock(CRYPTO_LOCK_X509_STORE);
-
-
-		/* If a CRL, update the last file suffix added for this */
-
-		if (type == X509_LU_CRL)
-			{
-			CRYPTO_w_lock(CRYPTO_LOCK_X509_STORE);
-			/* Look for entry again in case another thread added
-			 * an entry first.
-			 */
-			if (!hent)
-				{
-				htmp.hash = h;
-				idx = sk_BY_DIR_HASH_find(ent->hashes, &htmp);
-				if (idx >= 0)
-					hent =
-					 sk_BY_DIR_HASH_value(ent->hashes, idx);
-				}
-			if (!hent)
-				{
-				hent = OPENSSL_malloc(sizeof(BY_DIR_HASH));
-				hent->hash = h;
-				hent->suffix = k;
-				if (!sk_BY_DIR_HASH_push(ent->hashes, hent))
-					{
-					CRYPTO_w_unlock(CRYPTO_LOCK_X509_STORE);
-					OPENSSL_free(hent);
-					ok = 0;
-					goto finish;
-					}
-				}
-			else if (hent->suffix < k)
-				hent->suffix = k;
-
-			CRYPTO_w_unlock(CRYPTO_LOCK_X509_STORE);
-
-			}
-
-		if (tmp != NULL)
-			{
-			ok=1;
-			ret->type=tmp->type;
-			memcpy(&ret->data,&tmp->data,sizeof(ret->data));
-			/* If we were going to up the reference count,
-			 * we would need to do it on a perl 'type'
-			 * basis */
-	/*		CRYPTO_add(&tmp->data.x509->references,1,
-				CRYPTO_LOCK_X509);*/
-			goto finish;
-			}
-		}
-		}
-finish:
-	if (b != NULL) BUF_MEM_free(b);
-	return(ok);
-	}