Initial import

1 files changed, 1135 insertions, 0 deletions

diff --git a/openssl/crypto/err/err.c b/openssl/crypto/err/err.c
new file mode 100644
index 00000000..69713a6e
--- /dev/null
+++ b/openssl/crypto/err/err.c
@@ -0,0 +1,1135 @@
+/* crypto/err/err.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.]
+ */
+/* ====================================================================
+ * Copyright (c) 1998-2006 The OpenSSL Project.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer. 
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ *
+ * 3. All advertising materials mentioning features or use of this
+ *    software must display the following acknowledgment:
+ *    "This product includes software developed by the OpenSSL Project
+ *    for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
+ *
+ * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
+ *    endorse or promote products derived from this software without
+ *    prior written permission. For written permission, please contact
+ *    openssl-core@openssl.org.
+ *
+ * 5. Products derived from this software may not be called "OpenSSL"
+ *    nor may "OpenSSL" appear in their names without prior written
+ *    permission of the OpenSSL Project.
+ *
+ * 6. Redistributions of any form whatsoever must retain the following
+ *    acknowledgment:
+ *    "This product includes software developed by the OpenSSL Project
+ *    for use in the OpenSSL Toolkit (http://www.openssl.org/)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
+ * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
+ * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ * ====================================================================
+ *
+ * This product includes cryptographic software written by Eric Young
+ * (eay@cryptsoft.com).  This product includes software written by Tim
+ * Hudson (tjh@cryptsoft.com).
+ *
+ */
+
+#include <stdio.h>
+#include <stdarg.h>
+#include <string.h>
+#include "cryptlib.h"
+#include <openssl/lhash.h>
+#include <openssl/crypto.h>
+#include <openssl/buffer.h>
+#include <openssl/bio.h>
+#include <openssl/err.h>
+
+DECLARE_LHASH_OF(ERR_STRING_DATA);
+DECLARE_LHASH_OF(ERR_STATE);
+
+static void err_load_strings(int lib, ERR_STRING_DATA *str);
+
+static void ERR_STATE_free(ERR_STATE *s);
+#ifndef OPENSSL_NO_ERR
+static ERR_STRING_DATA ERR_str_libraries[]=
+	{
+{ERR_PACK(ERR_LIB_NONE,0,0)		,"unknown library"},
+{ERR_PACK(ERR_LIB_SYS,0,0)		,"system library"},
+{ERR_PACK(ERR_LIB_BN,0,0)		,"bignum routines"},
+{ERR_PACK(ERR_LIB_RSA,0,0)		,"rsa routines"},
+{ERR_PACK(ERR_LIB_DH,0,0)		,"Diffie-Hellman routines"},
+{ERR_PACK(ERR_LIB_EVP,0,0)		,"digital envelope routines"},
+{ERR_PACK(ERR_LIB_BUF,0,0)		,"memory buffer routines"},
+{ERR_PACK(ERR_LIB_OBJ,0,0)		,"object identifier routines"},
+{ERR_PACK(ERR_LIB_PEM,0,0)		,"PEM routines"},
+{ERR_PACK(ERR_LIB_DSA,0,0)		,"dsa routines"},
+{ERR_PACK(ERR_LIB_X509,0,0)		,"x509 certificate routines"},
+{ERR_PACK(ERR_LIB_ASN1,0,0)		,"asn1 encoding routines"},
+{ERR_PACK(ERR_LIB_CONF,0,0)		,"configuration file routines"},
+{ERR_PACK(ERR_LIB_CRYPTO,0,0)		,"common libcrypto routines"},
+{ERR_PACK(ERR_LIB_EC,0,0)		,"elliptic curve routines"},
+{ERR_PACK(ERR_LIB_SSL,0,0)		,"SSL routines"},
+{ERR_PACK(ERR_LIB_BIO,0,0)		,"BIO routines"},
+{ERR_PACK(ERR_LIB_PKCS7,0,0)		,"PKCS7 routines"},
+{ERR_PACK(ERR_LIB_X509V3,0,0)		,"X509 V3 routines"},
+{ERR_PACK(ERR_LIB_PKCS12,0,0)		,"PKCS12 routines"},
+{ERR_PACK(ERR_LIB_RAND,0,0)		,"random number generator"},
+{ERR_PACK(ERR_LIB_DSO,0,0)		,"DSO support routines"},
+{ERR_PACK(ERR_LIB_TS,0,0)		,"time stamp routines"},
+{ERR_PACK(ERR_LIB_ENGINE,0,0)		,"engine routines"},
+{ERR_PACK(ERR_LIB_OCSP,0,0)		,"OCSP routines"},
+{ERR_PACK(ERR_LIB_FIPS,0,0)		,"FIPS routines"},
+{ERR_PACK(ERR_LIB_CMS,0,0)		,"CMS routines"},
+{ERR_PACK(ERR_LIB_HMAC,0,0)		,"HMAC routines"},
+{0,NULL},
+	};
+
+static ERR_STRING_DATA ERR_str_functs[]=
+	{
+	{ERR_PACK(0,SYS_F_FOPEN,0),     	"fopen"},
+	{ERR_PACK(0,SYS_F_CONNECT,0),		"connect"},
+	{ERR_PACK(0,SYS_F_GETSERVBYNAME,0),	"getservbyname"},
+	{ERR_PACK(0,SYS_F_SOCKET,0),		"socket"}, 
+	{ERR_PACK(0,SYS_F_IOCTLSOCKET,0),	"ioctlsocket"},
+	{ERR_PACK(0,SYS_F_BIND,0),		"bind"},
+	{ERR_PACK(0,SYS_F_LISTEN,0),		"listen"},
+	{ERR_PACK(0,SYS_F_ACCEPT,0),		"accept"},
+#ifdef OPENSSL_SYS_WINDOWS
+	{ERR_PACK(0,SYS_F_WSASTARTUP,0),	"WSAstartup"},
+#endif
+	{ERR_PACK(0,SYS_F_OPENDIR,0),		"opendir"},
+	{ERR_PACK(0,SYS_F_FREAD,0),		"fread"},
+	{0,NULL},
+	};
+
+static ERR_STRING_DATA ERR_str_reasons[]=
+	{
+{ERR_R_SYS_LIB				,"system lib"},
+{ERR_R_BN_LIB				,"BN lib"},
+{ERR_R_RSA_LIB				,"RSA lib"},
+{ERR_R_DH_LIB				,"DH lib"},
+{ERR_R_EVP_LIB				,"EVP lib"},
+{ERR_R_BUF_LIB				,"BUF lib"},
+{ERR_R_OBJ_LIB				,"OBJ lib"},
+{ERR_R_PEM_LIB				,"PEM lib"},
+{ERR_R_DSA_LIB				,"DSA lib"},
+{ERR_R_X509_LIB				,"X509 lib"},
+{ERR_R_ASN1_LIB				,"ASN1 lib"},
+{ERR_R_CONF_LIB				,"CONF lib"},
+{ERR_R_CRYPTO_LIB			,"CRYPTO lib"},
+{ERR_R_EC_LIB				,"EC lib"},
+{ERR_R_SSL_LIB				,"SSL lib"},
+{ERR_R_BIO_LIB				,"BIO lib"},
+{ERR_R_PKCS7_LIB			,"PKCS7 lib"},
+{ERR_R_X509V3_LIB			,"X509V3 lib"},
+{ERR_R_PKCS12_LIB			,"PKCS12 lib"},
+{ERR_R_RAND_LIB				,"RAND lib"},
+{ERR_R_DSO_LIB				,"DSO lib"},
+{ERR_R_ENGINE_LIB			,"ENGINE lib"},
+{ERR_R_OCSP_LIB				,"OCSP lib"},
+{ERR_R_TS_LIB				,"TS lib"},
+
+{ERR_R_NESTED_ASN1_ERROR		,"nested asn1 error"},
+{ERR_R_BAD_ASN1_OBJECT_HEADER		,"bad asn1 object header"},
+{ERR_R_BAD_GET_ASN1_OBJECT_CALL		,"bad get asn1 object call"},
+{ERR_R_EXPECTING_AN_ASN1_SEQUENCE	,"expecting an asn1 sequence"},
+{ERR_R_ASN1_LENGTH_MISMATCH		,"asn1 length mismatch"},
+{ERR_R_MISSING_ASN1_EOS			,"missing asn1 eos"},
+
+{ERR_R_FATAL                            ,"fatal"},
+{ERR_R_MALLOC_FAILURE			,"malloc failure"},
+{ERR_R_SHOULD_NOT_HAVE_BEEN_CALLED	,"called a function you should not call"},
+{ERR_R_PASSED_NULL_PARAMETER		,"passed a null parameter"},
+{ERR_R_INTERNAL_ERROR			,"internal error"},
+{ERR_R_DISABLED				,"called a function that was disabled at compile-time"},
+
+{0,NULL},
+	};
+#endif
+
+
+/* Define the predeclared (but externally opaque) "ERR_FNS" type */
+struct st_ERR_FNS
+	{
+	/* Works on the "error_hash" string table */
+	LHASH_OF(ERR_STRING_DATA) *(*cb_err_get)(int create);
+	void (*cb_err_del)(void);
+	ERR_STRING_DATA *(*cb_err_get_item)(const ERR_STRING_DATA *);
+	ERR_STRING_DATA *(*cb_err_set_item)(ERR_STRING_DATA *);
+	ERR_STRING_DATA *(*cb_err_del_item)(ERR_STRING_DATA *);
+	/* Works on the "thread_hash" error-state table */
+	LHASH_OF(ERR_STATE) *(*cb_thread_get)(int create);
+	void (*cb_thread_release)(LHASH_OF(ERR_STATE) **hash);
+	ERR_STATE *(*cb_thread_get_item)(const ERR_STATE *);
+	ERR_STATE *(*cb_thread_set_item)(ERR_STATE *);
+	void (*cb_thread_del_item)(const ERR_STATE *);
+	/* Returns the next available error "library" numbers */
+	int (*cb_get_next_lib)(void);
+	};
+
+/* Predeclarations of the "err_defaults" functions */
+static LHASH_OF(ERR_STRING_DATA) *int_err_get(int create);
+static void int_err_del(void);
+static ERR_STRING_DATA *int_err_get_item(const ERR_STRING_DATA *);
+static ERR_STRING_DATA *int_err_set_item(ERR_STRING_DATA *);
+static ERR_STRING_DATA *int_err_del_item(ERR_STRING_DATA *);
+static LHASH_OF(ERR_STATE) *int_thread_get(int create);
+static void int_thread_release(LHASH_OF(ERR_STATE) **hash);
+static ERR_STATE *int_thread_get_item(const ERR_STATE *);
+static ERR_STATE *int_thread_set_item(ERR_STATE *);
+static void int_thread_del_item(const ERR_STATE *);
+static int int_err_get_next_lib(void);
+/* The static ERR_FNS table using these defaults functions */
+static const ERR_FNS err_defaults =
+	{
+	int_err_get,
+	int_err_del,
+	int_err_get_item,
+	int_err_set_item,
+	int_err_del_item,
+	int_thread_get,
+	int_thread_release,
+	int_thread_get_item,
+	int_thread_set_item,
+	int_thread_del_item,
+	int_err_get_next_lib
+	};
+
+/* The replacable table of ERR_FNS functions we use at run-time */
+static const ERR_FNS *err_fns = NULL;
+
+/* Eg. rather than using "err_get()", use "ERRFN(err_get)()". */
+#define ERRFN(a) err_fns->cb_##a
+
+/* The internal state used by "err_defaults" - as such, the setting, reading,
+ * creating, and deleting of this data should only be permitted via the
+ * "err_defaults" functions. This way, a linked module can completely defer all
+ * ERR state operation (together with requisite locking) to the implementations
+ * and state in the loading application. */
+static LHASH_OF(ERR_STRING_DATA) *int_error_hash = NULL;
+static LHASH_OF(ERR_STATE) *int_thread_hash = NULL;
+static int int_thread_hash_references = 0;
+static int int_err_library_number= ERR_LIB_USER;
+
+/* Internal function that checks whether "err_fns" is set and if not, sets it to
+ * the defaults. */
+static void err_fns_check(void)
+	{
+	if (err_fns) return;
+	
+	CRYPTO_w_lock(CRYPTO_LOCK_ERR);
+	if (!err_fns)
+		err_fns = &err_defaults;
+	CRYPTO_w_unlock(CRYPTO_LOCK_ERR);
+	}
+
+/* API functions to get or set the underlying ERR functions. */
+
+const ERR_FNS *ERR_get_implementation(void)
+	{
+	err_fns_check();
+	return err_fns;
+	}
+
+int ERR_set_implementation(const ERR_FNS *fns)
+	{
+	int ret = 0;
+
+	CRYPTO_w_lock(CRYPTO_LOCK_ERR);
+	/* It's too late if 'err_fns' is non-NULL. BTW: not much point setting
+	 * an error is there?! */
+	if (!err_fns)
+		{
+		err_fns = fns;
+		ret = 1;
+		}
+	CRYPTO_w_unlock(CRYPTO_LOCK_ERR);
+	return ret;
+	}
+
+/* These are the callbacks provided to "lh_new()" when creating the LHASH tables
+ * internal to the "err_defaults" implementation. */
+
+static unsigned long get_error_values(int inc,int top,const char **file,int *line,
+				      const char **data,int *flags);
+
+/* The internal functions used in the "err_defaults" implementation */
+
+static unsigned long err_string_data_hash(const ERR_STRING_DATA *a)
+	{
+	unsigned long ret,l;
+
+	l=a->error;
+	ret=l^ERR_GET_LIB(l)^ERR_GET_FUNC(l);
+	return(ret^ret%19*13);
+	}
+static IMPLEMENT_LHASH_HASH_FN(err_string_data, ERR_STRING_DATA)
+
+static int err_string_data_cmp(const ERR_STRING_DATA *a,
+			       const ERR_STRING_DATA *b)
+	{
+	return (int)(a->error - b->error);
+	}
+static IMPLEMENT_LHASH_COMP_FN(err_string_data, ERR_STRING_DATA)
+
+static LHASH_OF(ERR_STRING_DATA) *int_err_get(int create)
+	{
+	LHASH_OF(ERR_STRING_DATA) *ret = NULL;
+
+	CRYPTO_w_lock(CRYPTO_LOCK_ERR);
+	if (!int_error_hash && create)
+		{
+		CRYPTO_push_info("int_err_get (err.c)");
+		int_error_hash = lh_ERR_STRING_DATA_new();
+		CRYPTO_pop_info();
+		}
+	if (int_error_hash)
+		ret = int_error_hash;
+	CRYPTO_w_unlock(CRYPTO_LOCK_ERR);
+
+	return ret;
+	}
+
+static void int_err_del(void)
+	{
+	CRYPTO_w_lock(CRYPTO_LOCK_ERR);
+	if (int_error_hash)
+		{
+		lh_ERR_STRING_DATA_free(int_error_hash);
+		int_error_hash = NULL;
+		}
+	CRYPTO_w_unlock(CRYPTO_LOCK_ERR);
+	}
+
+static ERR_STRING_DATA *int_err_get_item(const ERR_STRING_DATA *d)
+	{
+	ERR_STRING_DATA *p;
+	LHASH_OF(ERR_STRING_DATA) *hash;
+
+	err_fns_check();
+	hash = ERRFN(err_get)(0);
+	if (!hash)
+		return NULL;
+
+	CRYPTO_r_lock(CRYPTO_LOCK_ERR);
+	p = lh_ERR_STRING_DATA_retrieve(hash, d);
+	CRYPTO_r_unlock(CRYPTO_LOCK_ERR);
+
+	return p;
+	}
+
+static ERR_STRING_DATA *int_err_set_item(ERR_STRING_DATA *d)
+	{
+	ERR_STRING_DATA *p;
+	LHASH_OF(ERR_STRING_DATA) *hash;
+
+	err_fns_check();
+	hash = ERRFN(err_get)(1);
+	if (!hash)
+		return NULL;
+
+	CRYPTO_w_lock(CRYPTO_LOCK_ERR);
+	p = lh_ERR_STRING_DATA_insert(hash, d);
+	CRYPTO_w_unlock(CRYPTO_LOCK_ERR);
+
+	return p;
+	}
+
+static ERR_STRING_DATA *int_err_del_item(ERR_STRING_DATA *d)
+	{
+	ERR_STRING_DATA *p;
+	LHASH_OF(ERR_STRING_DATA) *hash;
+
+	err_fns_check();
+	hash = ERRFN(err_get)(0);
+	if (!hash)
+		return NULL;
+
+	CRYPTO_w_lock(CRYPTO_LOCK_ERR);
+	p = lh_ERR_STRING_DATA_delete(hash, d);
+	CRYPTO_w_unlock(CRYPTO_LOCK_ERR);
+
+	return p;
+	}
+
+static unsigned long err_state_hash(const ERR_STATE *a)
+	{
+	return CRYPTO_THREADID_hash(&a->tid) * 13;
+	}
+static IMPLEMENT_LHASH_HASH_FN(err_state, ERR_STATE)
+
+static int err_state_cmp(const ERR_STATE *a, const ERR_STATE *b)
+	{
+	return CRYPTO_THREADID_cmp(&a->tid, &b->tid);
+	}
+static IMPLEMENT_LHASH_COMP_FN(err_state, ERR_STATE)
+
+static LHASH_OF(ERR_STATE) *int_thread_get(int create)
+	{
+	LHASH_OF(ERR_STATE) *ret = NULL;
+
+	CRYPTO_w_lock(CRYPTO_LOCK_ERR);
+	if (!int_thread_hash && create)
+		{
+		CRYPTO_push_info("int_thread_get (err.c)");
+		int_thread_hash = lh_ERR_STATE_new();
+		CRYPTO_pop_info();
+		}
+	if (int_thread_hash)
+		{
+		int_thread_hash_references++;
+		ret = int_thread_hash;
+		}
+	CRYPTO_w_unlock(CRYPTO_LOCK_ERR);
+	return ret;
+	}
+
+static void int_thread_release(LHASH_OF(ERR_STATE) **hash)
+	{
+	int i;
+
+	if (hash == NULL || *hash == NULL)
+		return;
+
+	i = CRYPTO_add(&int_thread_hash_references, -1, CRYPTO_LOCK_ERR);
+
+#ifdef REF_PRINT
+	fprintf(stderr,"%4d:%s\n",int_thread_hash_references,"ERR");
+#endif
+	if (i > 0) return;
+#ifdef REF_CHECK
+	if (i < 0)
+		{
+		fprintf(stderr,"int_thread_release, bad reference count\n");
+		abort(); /* ok */
+		}
+#endif
+	*hash = NULL;
+	}
+
+static ERR_STATE *int_thread_get_item(const ERR_STATE *d)
+	{
+	ERR_STATE *p;
+	LHASH_OF(ERR_STATE) *hash;
+
+	err_fns_check();
+	hash = ERRFN(thread_get)(0);
+	if (!hash)
+		return NULL;
+
+	CRYPTO_r_lock(CRYPTO_LOCK_ERR);
+	p = lh_ERR_STATE_retrieve(hash, d);
+	CRYPTO_r_unlock(CRYPTO_LOCK_ERR);
+
+	ERRFN(thread_release)(&hash);
+	return p;
+	}
+
+static ERR_STATE *int_thread_set_item(ERR_STATE *d)
+	{
+	ERR_STATE *p;
+	LHASH_OF(ERR_STATE) *hash;
+
+	err_fns_check();
+	hash = ERRFN(thread_get)(1);
+	if (!hash)
+		return NULL;
+
+	CRYPTO_w_lock(CRYPTO_LOCK_ERR);
+	p = lh_ERR_STATE_insert(hash, d);
+	CRYPTO_w_unlock(CRYPTO_LOCK_ERR);
+
+	ERRFN(thread_release)(&hash);
+	return p;
+	}
+
+static void int_thread_del_item(const ERR_STATE *d)
+	{
+	ERR_STATE *p;
+	LHASH_OF(ERR_STATE) *hash;
+
+	err_fns_check();
+	hash = ERRFN(thread_get)(0);
+	if (!hash)
+		return;
+
+	CRYPTO_w_lock(CRYPTO_LOCK_ERR);
+	p = lh_ERR_STATE_delete(hash, d);
+	/* make sure we don't leak memory */
+	if (int_thread_hash_references == 1
+	    && int_thread_hash && lh_ERR_STATE_num_items(int_thread_hash) == 0)
+		{
+		lh_ERR_STATE_free(int_thread_hash);
+		int_thread_hash = NULL;
+		}
+	CRYPTO_w_unlock(CRYPTO_LOCK_ERR);
+
+	ERRFN(thread_release)(&hash);
+	if (p)
+		ERR_STATE_free(p);
+	}
+
+static int int_err_get_next_lib(void)
+	{
+	int ret;
+
+	CRYPTO_w_lock(CRYPTO_LOCK_ERR);
+	ret = int_err_library_number++;
+	CRYPTO_w_unlock(CRYPTO_LOCK_ERR);
+
+	return ret;
+	}
+
+
+#ifndef OPENSSL_NO_ERR
+#define NUM_SYS_STR_REASONS 127
+#define LEN_SYS_STR_REASON 32
+
+static ERR_STRING_DATA SYS_str_reasons[NUM_SYS_STR_REASONS + 1];
+/* SYS_str_reasons is filled with copies of strerror() results at
+ * initialization.
+ * 'errno' values up to 127 should cover all usual errors,
+ * others will be displayed numerically by ERR_error_string.
+ * It is crucial that we have something for each reason code
+ * that occurs in ERR_str_reasons, or bogus reason strings
+ * will be returned for SYSerr(), which always gets an errno
+ * value and never one of those 'standard' reason codes. */
+
+static void build_SYS_str_reasons(void)
+	{
+	/* OPENSSL_malloc cannot be used here, use static storage instead */
+	static char strerror_tab[NUM_SYS_STR_REASONS][LEN_SYS_STR_REASON];
+	int i;
+	static int init = 1;
+
+	CRYPTO_r_lock(CRYPTO_LOCK_ERR);
+	if (!init)
+		{
+		CRYPTO_r_unlock(CRYPTO_LOCK_ERR);
+		return;
+		}
+	
+	CRYPTO_r_unlock(CRYPTO_LOCK_ERR);
+	CRYPTO_w_lock(CRYPTO_LOCK_ERR);
+	if (!init)
+		{
+		CRYPTO_w_unlock(CRYPTO_LOCK_ERR);
+		return;
+		}
+
+	for (i = 1; i <= NUM_SYS_STR_REASONS; i++)
+		{
+		ERR_STRING_DATA *str = &SYS_str_reasons[i - 1];
+
+		str->error = (unsigned long)i;
+		if (str->string == NULL)
+			{
+			char (*dest)[LEN_SYS_STR_REASON] = &(strerror_tab[i - 1]);
+			char *src = strerror(i);
+			if (src != NULL)
+				{
+				strncpy(*dest, src, sizeof *dest);
+				(*dest)[sizeof *dest - 1] = '\0';
+				str->string = *dest;
+				}
+			}
+		if (str->string == NULL)
+			str->string = "unknown";
+		}
+
+	/* Now we still have SYS_str_reasons[NUM_SYS_STR_REASONS] = {0, NULL},
+	 * as required by ERR_load_strings. */
+
+	init = 0;
+	
+	CRYPTO_w_unlock(CRYPTO_LOCK_ERR);
+	}
+#endif
+
+#define err_clear_data(p,i) \
+	do { \
+	if (((p)->err_data[i] != NULL) && \
+		(p)->err_data_flags[i] & ERR_TXT_MALLOCED) \
+		{  \
+		OPENSSL_free((p)->err_data[i]); \
+		(p)->err_data[i]=NULL; \
+		} \
+	(p)->err_data_flags[i]=0; \
+	} while(0)
+
+#define err_clear(p,i) \
+	do { \
+	(p)->err_flags[i]=0; \
+	(p)->err_buffer[i]=0; \
+	err_clear_data(p,i); \
+	(p)->err_file[i]=NULL; \
+	(p)->err_line[i]= -1; \
+	} while(0)
+
+static void ERR_STATE_free(ERR_STATE *s)
+	{
+	int i;
+
+	if (s == NULL)
+	    return;
+
+	for (i=0; i<ERR_NUM_ERRORS; i++)
+		{
+		err_clear_data(s,i);
+		}
+	OPENSSL_free(s);
+	}
+
+void ERR_load_ERR_strings(void)
+	{
+	err_fns_check();
+#ifndef OPENSSL_NO_ERR
+	err_load_strings(0,ERR_str_libraries);
+	err_load_strings(0,ERR_str_reasons);
+	err_load_strings(ERR_LIB_SYS,ERR_str_functs);
+	build_SYS_str_reasons();
+	err_load_strings(ERR_LIB_SYS,SYS_str_reasons);
+#endif
+	}
+
+static void err_load_strings(int lib, ERR_STRING_DATA *str)
+	{
+	while (str->error)
+		{
+		if (lib)
+			str->error|=ERR_PACK(lib,0,0);
+		ERRFN(err_set_item)(str);
+		str++;
+		}
+	}
+
+void ERR_load_strings(int lib, ERR_STRING_DATA *str)
+	{
+	ERR_load_ERR_strings();
+	err_load_strings(lib, str);
+	}
+
+void ERR_unload_strings(int lib, ERR_STRING_DATA *str)
+	{
+	while (str->error)
+		{
+		if (lib)
+			str->error|=ERR_PACK(lib,0,0);
+		ERRFN(err_del_item)(str);
+		str++;
+		}
+	}
+
+void ERR_free_strings(void)
+	{
+	err_fns_check();
+	ERRFN(err_del)();
+	}
+
+/********************************************************/
+
+void ERR_put_error(int lib, int func, int reason, const char *file,
+	     int line)
+	{
+	ERR_STATE *es;
+
+#ifdef _OSD_POSIX
+	/* In the BS2000-OSD POSIX subsystem, the compiler generates
+	 * path names in the form "*POSIX(/etc/passwd)".
+	 * This dirty hack strips them to something sensible.
+	 * @@@ We shouldn't modify a const string, though.
+	 */
+	if (strncmp(file,"*POSIX(", sizeof("*POSIX(")-1) == 0) {
+		char *end;
+
+		/* Skip the "*POSIX(" prefix */
+		file += sizeof("*POSIX(")-1;
+		end = &file[strlen(file)-1];
+		if (*end == ')')
+			*end = '\0';
+		/* Optional: use the basename of the path only. */
+		if ((end = strrchr(file, '/')) != NULL)
+			file = &end[1];
+	}
+#endif
+	es=ERR_get_state();
+
+	es->top=(es->top+1)%ERR_NUM_ERRORS;
+	if (es->top == es->bottom)
+		es->bottom=(es->bottom+1)%ERR_NUM_ERRORS;
+	es->err_flags[es->top]=0;
+	es->err_buffer[es->top]=ERR_PACK(lib,func,reason);
+	es->err_file[es->top]=file;
+	es->err_line[es->top]=line;
+	err_clear_data(es,es->top);
+	}
+
+void ERR_clear_error(void)
+	{
+	int i;
+	ERR_STATE *es;
+
+	es=ERR_get_state();
+
+	for (i=0; i<ERR_NUM_ERRORS; i++)
+		{
+		err_clear(es,i);
+		}
+	es->top=es->bottom=0;
+	}
+
+
+unsigned long ERR_get_error(void)
+	{ return(get_error_values(1,0,NULL,NULL,NULL,NULL)); }
+
+unsigned long ERR_get_error_line(const char **file,
+	     int *line)
+	{ return(get_error_values(1,0,file,line,NULL,NULL)); }
+
+unsigned long ERR_get_error_line_data(const char **file, int *line,
+	     const char **data, int *flags)
+	{ return(get_error_values(1,0,file,line,data,flags)); }
+
+
+unsigned long ERR_peek_error(void)
+	{ return(get_error_values(0,0,NULL,NULL,NULL,NULL)); }
+
+unsigned long ERR_peek_error_line(const char **file, int *line)
+	{ return(get_error_values(0,0,file,line,NULL,NULL)); }
+
+unsigned long ERR_peek_error_line_data(const char **file, int *line,
+	     const char **data, int *flags)
+	{ return(get_error_values(0,0,file,line,data,flags)); }
+
+
+unsigned long ERR_peek_last_error(void)
+	{ return(get_error_values(0,1,NULL,NULL,NULL,NULL)); }
+
+unsigned long ERR_peek_last_error_line(const char **file, int *line)
+	{ return(get_error_values(0,1,file,line,NULL,NULL)); }
+
+unsigned long ERR_peek_last_error_line_data(const char **file, int *line,
+	     const char **data, int *flags)
+	{ return(get_error_values(0,1,file,line,data,flags)); }
+
+
+static unsigned long get_error_values(int inc, int top, const char **file, int *line,
+	     const char **data, int *flags)
+	{	
+	int i=0;
+	ERR_STATE *es;
+	unsigned long ret;
+
+	es=ERR_get_state();
+
+	if (inc && top)
+		{
+		if (file) *file = "";
+		if (line) *line = 0;
+		if (data) *data = "";
+		if (flags) *flags = 0;
+			
+		return ERR_R_INTERNAL_ERROR;
+		}
+
+	if (es->bottom == es->top) return 0;
+	if (top)
+		i=es->top;			 /* last error */
+	else
+		i=(es->bottom+1)%ERR_NUM_ERRORS; /* first error */
+
+	ret=es->err_buffer[i];
+	if (inc)
+		{
+		es->bottom=i;
+		es->err_buffer[i]=0;
+		}
+
+	if ((file != NULL) && (line != NULL))
+		{
+		if (es->err_file[i] == NULL)
+			{
+			*file="NA";
+			if (line != NULL) *line=0;
+			}
+		else
+			{
+			*file=es->err_file[i];
+			if (line != NULL) *line=es->err_line[i];
+			}
+		}
+
+	if (data == NULL)
+		{
+		if (inc)
+			{
+			err_clear_data(es, i);
+			}
+		}
+	else
+		{
+		if (es->err_data[i] == NULL)
+			{
+			*data="";
+			if (flags != NULL) *flags=0;
+			}
+		else
+			{
+			*data=es->err_data[i];
+			if (flags != NULL) *flags=es->err_data_flags[i];
+			}
+		}
+	return ret;
+	}
+
+void ERR_error_string_n(unsigned long e, char *buf, size_t len)
+	{
+	char lsbuf[64], fsbuf[64], rsbuf[64];
+	const char *ls,*fs,*rs;
+	unsigned long l,f,r;
+
+	l=ERR_GET_LIB(e);
+	f=ERR_GET_FUNC(e);
+	r=ERR_GET_REASON(e);
+
+	ls=ERR_lib_error_string(e);
+	fs=ERR_func_error_string(e);
+	rs=ERR_reason_error_string(e);
+
+	if (ls == NULL) 
+		BIO_snprintf(lsbuf, sizeof(lsbuf), "lib(%lu)", l);
+	if (fs == NULL)
+		BIO_snprintf(fsbuf, sizeof(fsbuf), "func(%lu)", f);
+	if (rs == NULL)
+		BIO_snprintf(rsbuf, sizeof(rsbuf), "reason(%lu)", r);
+
+	BIO_snprintf(buf, len,"error:%08lX:%s:%s:%s", e, ls?ls:lsbuf, 
+		fs?fs:fsbuf, rs?rs:rsbuf);
+	if (strlen(buf) == len-1)
+		{
+		/* output may be truncated; make sure we always have 5 
+		 * colon-separated fields, i.e. 4 colons ... */
+#define NUM_COLONS 4
+		if (len > NUM_COLONS) /* ... if possible */
+			{
+			int i;
+			char *s = buf;
+			
+			for (i = 0; i < NUM_COLONS; i++)
+				{
+				char *colon = strchr(s, ':');
+				if (colon == NULL || colon > &buf[len-1] - NUM_COLONS + i)
+					{
+					/* set colon no. i at last possible position
+					 * (buf[len-1] is the terminating 0)*/
+					colon = &buf[len-1] - NUM_COLONS + i;
+					*colon = ':';
+					}
+				s = colon + 1;
+				}
+			}
+		}
+	}
+
+/* BAD for multi-threading: uses a local buffer if ret == NULL */
+/* ERR_error_string_n should be used instead for ret != NULL
+ * as ERR_error_string cannot know how large the buffer is */
+char *ERR_error_string(unsigned long e, char *ret)
+	{
+	static char buf[256];
+
+	if (ret == NULL) ret=buf;
+	ERR_error_string_n(e, ret, 256);
+
+	return ret;
+	}
+
+LHASH_OF(ERR_STRING_DATA) *ERR_get_string_table(void)
+	{
+	err_fns_check();
+	return ERRFN(err_get)(0);
+	}
+
+LHASH_OF(ERR_STATE) *ERR_get_err_state_table(void)
+	{
+	err_fns_check();
+	return ERRFN(thread_get)(0);
+	}
+
+void ERR_release_err_state_table(LHASH_OF(ERR_STATE) **hash)
+	{
+	err_fns_check();
+	ERRFN(thread_release)(hash);
+	}
+
+const char *ERR_lib_error_string(unsigned long e)
+	{
+	ERR_STRING_DATA d,*p;
+	unsigned long l;
+
+	err_fns_check();
+	l=ERR_GET_LIB(e);
+	d.error=ERR_PACK(l,0,0);
+	p=ERRFN(err_get_item)(&d);
+	return((p == NULL)?NULL:p->string);
+	}
+
+const char *ERR_func_error_string(unsigned long e)
+	{
+	ERR_STRING_DATA d,*p;
+	unsigned long l,f;
+
+	err_fns_check();
+	l=ERR_GET_LIB(e);
+	f=ERR_GET_FUNC(e);
+	d.error=ERR_PACK(l,f,0);
+	p=ERRFN(err_get_item)(&d);
+	return((p == NULL)?NULL:p->string);
+	}
+
+const char *ERR_reason_error_string(unsigned long e)
+	{
+	ERR_STRING_DATA d,*p=NULL;
+	unsigned long l,r;
+
+	err_fns_check();
+	l=ERR_GET_LIB(e);
+	r=ERR_GET_REASON(e);
+	d.error=ERR_PACK(l,0,r);
+	p=ERRFN(err_get_item)(&d);
+	if (!p)
+		{
+		d.error=ERR_PACK(0,0,r);
+		p=ERRFN(err_get_item)(&d);
+		}
+	return((p == NULL)?NULL:p->string);
+	}
+
+void ERR_remove_thread_state(const CRYPTO_THREADID *id)
+	{
+	ERR_STATE tmp;
+
+	if (id)
+		CRYPTO_THREADID_cpy(&tmp.tid, id);
+	else
+		CRYPTO_THREADID_current(&tmp.tid);
+	err_fns_check();
+	/* thread_del_item automatically destroys the LHASH if the number of
+	 * items reaches zero. */
+	ERRFN(thread_del_item)(&tmp);
+	}
+
+#ifndef OPENSSL_NO_DEPRECATED
+void ERR_remove_state(unsigned long pid)
+	{
+	ERR_remove_thread_state(NULL);
+	}
+#endif
+
+ERR_STATE *ERR_get_state(void)
+	{
+	static ERR_STATE fallback;
+	ERR_STATE *ret,tmp,*tmpp=NULL;
+	int i;
+	CRYPTO_THREADID tid;
+
+	err_fns_check();
+	CRYPTO_THREADID_current(&tid);
+	CRYPTO_THREADID_cpy(&tmp.tid, &tid);
+	ret=ERRFN(thread_get_item)(&tmp);
+
+	/* ret == the error state, if NULL, make a new one */
+	if (ret == NULL)
+		{
+		ret=(ERR_STATE *)OPENSSL_malloc(sizeof(ERR_STATE));
+		if (ret == NULL) return(&fallback);
+		CRYPTO_THREADID_cpy(&ret->tid, &tid);
+		ret->top=0;
+		ret->bottom=0;
+		for (i=0; i<ERR_NUM_ERRORS; i++)
+			{
+			ret->err_data[i]=NULL;
+			ret->err_data_flags[i]=0;
+			}
+		tmpp = ERRFN(thread_set_item)(ret);
+		/* To check if insertion failed, do a get. */
+		if (ERRFN(thread_get_item)(ret) != ret)
+			{
+			ERR_STATE_free(ret); /* could not insert it */
+			return(&fallback);
+			}
+		/* If a race occured in this function and we came second, tmpp
+		 * is the first one that we just replaced. */
+		if (tmpp)
+			ERR_STATE_free(tmpp);
+		}
+	return ret;
+	}
+
+int ERR_get_next_error_library(void)
+	{
+	err_fns_check();
+	return ERRFN(get_next_lib)();
+	}
+
+void ERR_set_error_data(char *data, int flags)
+	{
+	ERR_STATE *es;
+	int i;
+
+	es=ERR_get_state();
+
+	i=es->top;
+	if (i == 0)
+		i=ERR_NUM_ERRORS-1;
+
+	err_clear_data(es,i);
+	es->err_data[i]=data;
+	es->err_data_flags[i]=flags;
+	}
+
+void ERR_add_error_data(int num, ...)
+	{
+	va_list args;
+	int i,n,s;
+	char *str,*p,*a;
+
+	s=80;
+	str=OPENSSL_malloc(s+1);
+	if (str == NULL) return;
+	str[0]='\0';
+
+	va_start(args, num);
+	n=0;
+	for (i=0; i<num; i++)
+		{
+		a=va_arg(args, char*);
+		/* ignore NULLs, thanks to Bob Beck <beck@obtuse.com> */
+		if (a != NULL)
+			{
+			n+=strlen(a);
+			if (n > s)
+				{
+				s=n+20;
+				p=OPENSSL_realloc(str,s+1);
+				if (p == NULL)
+					{
+					OPENSSL_free(str);
+					goto err;
+					}
+				else
+					str=p;
+				}
+			BUF_strlcat(str,a,(size_t)s+1);
+			}
+		}
+	ERR_set_error_data(str,ERR_TXT_MALLOCED|ERR_TXT_STRING);
+
+err:
+	va_end(args);
+	}
+
+int ERR_set_mark(void)
+	{
+	ERR_STATE *es;
+
+	es=ERR_get_state();
+
+	if (es->bottom == es->top) return 0;
+	es->err_flags[es->top]|=ERR_FLAG_MARK;
+	return 1;
+	}
+
+int ERR_pop_to_mark(void)
+	{
+	ERR_STATE *es;
+
+	es=ERR_get_state();
+
+	while(es->bottom != es->top
+		&& (es->err_flags[es->top] & ERR_FLAG_MARK) == 0)
+		{
+		err_clear(es,es->top);
+		es->top-=1;
+		if (es->top == -1) es->top=ERR_NUM_ERRORS-1;
+		}
+		
+	if (es->bottom == es->top) return 0;
+	es->err_flags[es->top]&=~ERR_FLAG_MARK;
+	return 1;
+	}