--- /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