inital commit

1 files changed, 1148 insertions, 0 deletions

diff --git a/openssl/crypto/err/err.c b/openssl/crypto/err/err.c
new file mode 100644
index 0000000..52dc9a5
--- /dev/null
+++ b/openssl/crypto/err/err.c
@@ -0,0 +1,1148 @@
+/* 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;
+
+    if (len == 0)
+        return;
+
+    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;
+    va_start(args, num);
+    ERR_add_error_vdata(num, args);
+    va_end(args);
+}
+
+void ERR_add_error_vdata(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';
+
+    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);
+                    return;
+                } else
+                    str = p;
+            }
+            BUF_strlcat(str, a, (size_t)s + 1);
+        }
+    }
+    ERR_set_error_data(str, ERR_TXT_MALLOCED | ERR_TXT_STRING);
+}
+
+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;
+}