+++ /dev/null
-/*
- * Copyright (c) 2000-2001,2011-2012,2014 Apple Inc. All Rights Reserved.
- *
- * The contents of this file constitute Original Code as defined in and are
- * subject to the Apple Public Source License Version 1.2 (the 'License').
- * You may not use this file except in compliance with the License. Please obtain
- * a copy of the License at http://www.apple.com/publicsource and read it before
- * using this file.
- *
- * This Original Code and all software distributed under the License are
- * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS
- * OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, INCLUDING WITHOUT
- * LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
- * PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. Please see the License for the
- * specific language governing rights and limitations under the License.
- */
-
-
-/* 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) 1998-2000 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 <openssl/opensslconf.h>
-#include <openssl/lhash.h>
-#include <openssl/crypto.h>
-#include "cryptlib.h"
-#include <openssl/buffer.h>
-#include <openssl/err.h>
-#include <openssl/crypto.h>
-
-
-static LHASH *error_hash=NULL;
-static LHASH *thread_hash=NULL;
-
-static unsigned long err_hash(ERR_STRING_DATA *a);
-static int err_cmp(ERR_STRING_DATA *a, ERR_STRING_DATA *b);
-static unsigned long pid_hash(ERR_STATE *pid);
-static int pid_cmp(ERR_STATE *a,ERR_STATE *pid);
-static unsigned long get_error_values(int inc,const char **file,int *line,
- const char **data,int *flags);
-static void ERR_STATE_free(ERR_STATE *s);
-#ifndef 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_BIO,0,0) ,"BIO routines"},
-{ERR_PACK(ERR_LIB_OBJ,0,0) ,"object identifier routines"},
-{ERR_PACK(ERR_LIB_PEM,0,0) ,"PEM routines"},
-{ERR_PACK(ERR_LIB_ASN1,0,0) ,"asn1 encoding routines"},
-{ERR_PACK(ERR_LIB_X509,0,0) ,"x509 certificate routines"},
-{ERR_PACK(ERR_LIB_CONF,0,0) ,"configuration file routines"},
-{ERR_PACK(ERR_LIB_METH,0,0) ,"X509 lookup 'method' routines"},
-{ERR_PACK(ERR_LIB_SSL,0,0) ,"SSL routines"},
-{ERR_PACK(ERR_LIB_RSAREF,0,0) ,"RSAref routines"},
-{ERR_PACK(ERR_LIB_PROXY,0,0) ,"Proxy 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"},
-{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 WINDOWS
- {ERR_PACK(0,SYS_F_WSASTARTUP,0), "WSAstartup"},
-#endif
- {ERR_PACK(0,SYS_F_OPENDIR,0), "opendir"},
- {0,NULL},
- };
-
-static ERR_STRING_DATA ERR_str_reasons[]=
- {
-{ERR_R_FATAL ,"fatal"},
-{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_BIO_LIB ,"BIO lib"},
-{ERR_R_OBJ_LIB ,"OBJ lib"},
-{ERR_R_PEM_LIB ,"PEM lib"},
-{ERR_R_X509_LIB ,"X509 lib"},
-{ERR_R_METH_LIB ,"METH lib"},
-{ERR_R_ASN1_LIB ,"ASN1 lib"},
-{ERR_R_CONF_LIB ,"CONF lib"},
-{ERR_R_SSL_LIB ,"SSL lib"},
-{ERR_R_PROXY_LIB ,"PROXY lib"},
-{ERR_R_BIO_LIB ,"BIO lib"},
-{ERR_R_PKCS7_LIB ,"PKCS7 lib"},
-{ERR_R_PKCS12_LIB ,"PKCS12 lib"},
-{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_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"},
-
-{0,NULL},
- };
-
-
-#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()
- {
- /* Malloc cannot be used here, use static storage instead */
- static char strerror_tab[NUM_SYS_STR_REASONS][LEN_SYS_STR_REASON];
- int i;
-
- CRYPTO_w_lock(CRYPTO_LOCK_ERR_HASH);
-
- 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. */
-
- CRYPTO_w_unlock(CRYPTO_LOCK_ERR_HASH);
- }
-#endif
-
-#define err_clear_data(p,i) \
- if (((p)->err_data[i] != NULL) && \
- (p)->err_data_flags[i] & ERR_TXT_MALLOCED) \
- { \
- Free((p)->err_data[i]); \
- (p)->err_data[i]=NULL; \
- } \
- (p)->err_data_flags[i]=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);
- }
- Free(s);
- }
-
-void ERR_load_ERR_strings(void)
- {
- static int init=1;
-
- if (init)
- {
- CRYPTO_w_lock(CRYPTO_LOCK_ERR);
- if (init == 0)
- {
- CRYPTO_w_unlock(CRYPTO_LOCK_ERR);
- return;
- }
- CRYPTO_w_unlock(CRYPTO_LOCK_ERR);
-
-#ifndef 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
- init=0;
- }
- }
-
-void ERR_load_strings(int lib, ERR_STRING_DATA *str)
- {
- if (error_hash == NULL)
- {
- CRYPTO_w_lock(CRYPTO_LOCK_ERR_HASH);
- error_hash=lh_new(err_hash,err_cmp);
- if (error_hash == NULL)
- {
- CRYPTO_w_unlock(CRYPTO_LOCK_ERR_HASH);
- return;
- }
- CRYPTO_w_unlock(CRYPTO_LOCK_ERR_HASH);
-
- ERR_load_ERR_strings();
- }
-
- CRYPTO_w_lock(CRYPTO_LOCK_ERR_HASH);
- while (str->error)
- {
- str->error|=ERR_PACK(lib,0,0);
- lh_insert(error_hash,str);
- str++;
- }
- CRYPTO_w_unlock(CRYPTO_LOCK_ERR_HASH);
- }
-
-void ERR_free_strings(void)
- {
- CRYPTO_w_lock(CRYPTO_LOCK_ERR);
-
- if (error_hash != NULL)
- {
- lh_free(error_hash);
- error_hash=NULL;
- }
-
- CRYPTO_w_unlock(CRYPTO_LOCK_ERR);
- }
-
-/********************************************************/
-
-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_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)
- {
- ERR_STATE *es;
-
- es=ERR_get_state();
-
-#if 0
- /* hmm... is this needed */
- for (i=0; i<ERR_NUM_ERRORS; i++)
- {
- es->err_buffer[i]=0;
- es->err_file[i]=NULL;
- es->err_line[i]= -1;
- err_clear_data(es,i);
- }
-#endif
- es->top=es->bottom=0;
- }
-
-
-unsigned long ERR_get_error(void)
- { return(get_error_values(1,NULL,NULL,NULL,NULL)); }
-
-unsigned long ERR_get_error_line(const char **file,
- int *line)
- { return(get_error_values(1,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,file,line,
- data,flags)); }
-
-unsigned long ERR_peek_error(void)
- { return(get_error_values(0,NULL,NULL,NULL,NULL)); }
-
-unsigned long ERR_peek_error_line(const char **file,
- int *line)
- { return(get_error_values(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,file,line,
- data,flags)); }
-
-static unsigned long get_error_values(int inc, const char **file, int *line,
- const char **data, int *flags)
- {
- int i=0;
- ERR_STATE *es;
- unsigned long ret;
-
- es=ERR_get_state();
-
- if (es->bottom == es->top) return(0);
- i=(es->bottom+1)%ERR_NUM_ERRORS;
-
- 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 (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);
- }
-
-/* BAD for multi-threaded, uses a local buffer if ret == NULL */
-char *ERR_error_string(unsigned long e, char *ret)
- {
- #ifdef NO_ERR
- if(ret != NULL) {
- strcpy(ret, "No Error String Info.");
- }
- return "No Error String info.";
- #else
- static char buf[256];
- const char *ls,*fs,*rs;
- unsigned long l,f,r;
- size_t i;
-
- 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 (ret == NULL) ret=buf;
-
- sprintf(&(ret[0]),"error:%08lX:",e);
- i=strlen(ret);
- if (ls == NULL)
- sprintf(&(ret[i]),":lib(%lu) ",l);
- else sprintf(&(ret[i]),"%s",ls);
- i=strlen(ret);
- if (fs == NULL)
- sprintf(&(ret[i]),":func(%lu) ",f);
- else sprintf(&(ret[i]),":%s",fs);
- i=strlen(ret);
- if (rs == NULL)
- sprintf(&(ret[i]),":reason(%lu)",r);
- else sprintf(&(ret[i]),":%s",rs);
-
- return(ret);
- #endif
- }
-
-LHASH *ERR_get_string_table(void)
- {
- return(error_hash);
- }
-
-LHASH *ERR_get_err_state_table(void)
- {
- return(thread_hash);
- }
-
-const char *ERR_lib_error_string(unsigned long e)
- {
- ERR_STRING_DATA d,*p=NULL;
- unsigned long l;
-
- l=ERR_GET_LIB(e);
-
- CRYPTO_r_lock(CRYPTO_LOCK_ERR_HASH);
-
- if (error_hash != NULL)
- {
- d.error=ERR_PACK(l,0,0);
- p=(ERR_STRING_DATA *)lh_retrieve(error_hash,&d);
- }
-
- CRYPTO_r_unlock(CRYPTO_LOCK_ERR_HASH);
-
- return((p == NULL)?NULL:p->string);
- }
-
-const char *ERR_func_error_string(unsigned long e)
- {
- ERR_STRING_DATA d,*p=NULL;
- unsigned long l,f;
-
- l=ERR_GET_LIB(e);
- f=ERR_GET_FUNC(e);
-
- CRYPTO_r_lock(CRYPTO_LOCK_ERR_HASH);
-
- if (error_hash != NULL)
- {
- d.error=ERR_PACK(l,f,0);
- p=(ERR_STRING_DATA *)lh_retrieve(error_hash,&d);
- }
-
- CRYPTO_r_unlock(CRYPTO_LOCK_ERR_HASH);
-
- 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;
-
- l=ERR_GET_LIB(e);
- r=ERR_GET_REASON(e);
-
- CRYPTO_r_lock(CRYPTO_LOCK_ERR_HASH);
-
- if (error_hash != NULL)
- {
- d.error=ERR_PACK(l,0,r);
- p=(ERR_STRING_DATA *)lh_retrieve(error_hash,&d);
- if (p == NULL)
- {
- d.error=ERR_PACK(0,0,r);
- p=(ERR_STRING_DATA *)lh_retrieve(error_hash,&d);
- }
- }
-
- CRYPTO_r_unlock(CRYPTO_LOCK_ERR_HASH);
-
- return((p == NULL)?NULL:p->string);
- }
-
-static unsigned long err_hash(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 int err_cmp(ERR_STRING_DATA *a, ERR_STRING_DATA *b)
- {
- return((int)(a->error-b->error));
- }
-
-static unsigned long pid_hash(ERR_STATE *a)
- {
- return(a->pid*13);
- }
-
-static int pid_cmp(ERR_STATE *a, ERR_STATE *b)
- {
- return((int)((long)a->pid - (long)b->pid));
- }
-
-void ERR_remove_state(unsigned long pid)
- {
- ERR_STATE *p,tmp;
-
- if (thread_hash == NULL)
- return;
- if (pid == 0)
- pid=(unsigned long)CRYPTO_thread_id();
- tmp.pid=pid;
- CRYPTO_w_lock(CRYPTO_LOCK_ERR);
- p=(ERR_STATE *)lh_delete(thread_hash,&tmp);
- CRYPTO_w_unlock(CRYPTO_LOCK_ERR);
-
- if (p != NULL) ERR_STATE_free(p);
- }
-
-static ERR_STATE *fallback = NULL;
-static ERR_STATE *getFallback()
-{
- if(fallback == NULL) {
- fallback = (ERR_STATE *)Malloc(sizeof(ERR_STATE));
- }
- return fallback;
-}
-
-ERR_STATE *ERR_get_state(void)
- {
- ERR_STATE *ret=NULL,tmp,*tmpp;
- int i;
- unsigned long pid;
-
- pid=(unsigned long)CRYPTO_thread_id();
-
- CRYPTO_r_lock(CRYPTO_LOCK_ERR);
- if (thread_hash == NULL)
- {
- CRYPTO_r_unlock(CRYPTO_LOCK_ERR);
- CRYPTO_w_lock(CRYPTO_LOCK_ERR);
- if (thread_hash == NULL)
- {
- MemCheck_off();
- thread_hash=lh_new(pid_hash,pid_cmp);
- MemCheck_on();
- CRYPTO_w_unlock(CRYPTO_LOCK_ERR);
- if (thread_hash == NULL) return(getFallback());
- }
- else
- CRYPTO_w_unlock(CRYPTO_LOCK_ERR);
- }
- else
- {
- tmp.pid=pid;
- ret=(ERR_STATE *)lh_retrieve(thread_hash,&tmp);
- CRYPTO_r_unlock(CRYPTO_LOCK_ERR);
- }
-
- /* ret == the error state, if NULL, make a new one */
- if (ret == NULL)
- {
- ret=(ERR_STATE *)Malloc(sizeof(ERR_STATE));
- if (ret == NULL) return(getFallback());
- ret->pid=pid;
- 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;
- }
- CRYPTO_w_lock(CRYPTO_LOCK_ERR);
- tmpp=(ERR_STATE *)lh_insert(thread_hash,ret);
- CRYPTO_w_unlock(CRYPTO_LOCK_ERR);
- if (tmpp != NULL) /* old entry - should not happen */
- {
- ERR_STATE_free(tmpp);
- }
- }
- return(ret);
- }
-
-int ERR_get_next_error_library(void)
- {
- static int value=ERR_LIB_USER;
-
- return(value++);
- }
-
-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;
-
- es->err_data[i]=data;
- es->err_data_flags[es->top]=flags;
- }
-
-void ERR_add_error_data(int num, ...)
- {
- va_list args;
- int i,n,s;
- char *str,*p,*a;
-
- s=64;
- str=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=Realloc(str,s+1);
- if (p == NULL)
- {
- Free(str);
- return;
- }
- else
- str=p;
- }
- strcat(str,a);
- }
- }
- ERR_set_error_data(str,ERR_TXT_MALLOCED|ERR_TXT_STRING);
-
- va_end(args);
- }
-
projects / apple / security.git / blobdiff