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authorArne Schwabe <arne@rfc2549.org>2012-04-16 19:21:14 +0200
committerArne Schwabe <arne@rfc2549.org>2012-04-16 19:21:14 +0200
commit3e4d8f433239c40311037616b1b8833a06651ae0 (patch)
tree98ab7fce0d011d34677b0beb762d389cb5c39199 /openssl/crypto/err/err.c
Initial import
Diffstat (limited to 'openssl/crypto/err/err.c')
-rw-r--r--openssl/crypto/err/err.c1135
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;
+ }