diff options
Diffstat (limited to 'crypto/err/err.c')
| -rw-r--r-- | crypto/err/err.c | 795 |
1 files changed, 0 insertions, 795 deletions
diff --git a/crypto/err/err.c b/crypto/err/err.c deleted file mode 100644 index 99272e437c..0000000000 --- a/crypto/err/err.c +++ /dev/null @@ -1,795 +0,0 @@ -/* 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/lhash.h> -#include <openssl/crypto.h> -#include "cryptlib.h" -#include <openssl/buffer.h> -#include <openssl/bio.h> -#include <openssl/err.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_DSA,0,0) ,"dsa 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"}, -{ERR_PACK(ERR_LIB_DSO,0,0) ,"DSO support routines"}, -{ERR_PACK(ERR_LIB_ENGINE,0,0) ,"engine 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 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"}, -{ERR_R_DSO_LIB ,"DSO lib"}, -{ERR_R_ENGINE_LIB ,"ENGINE lib"}, - -{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() - { - /* OPENSSL_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) \ - { \ - OPENSSL_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); - } - OPENSSL_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); - } - -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 *ERR_get_string_table(void) - { - return(error_hash); - } - -/* not thread-safe */ -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_w_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_w_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_w_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_w_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_w_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_w_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 = NULL,tmp; - - if (thread_hash == NULL) - return; - if (pid == 0) - pid=(unsigned long)CRYPTO_thread_id(); - tmp.pid=pid; - CRYPTO_w_lock(CRYPTO_LOCK_ERR); - if (thread_hash) - { - p=(ERR_STATE *)lh_delete(thread_hash,&tmp); - if (lh_num_items(thread_hash) == 0) - { - /* make sure we don't leak memory */ - lh_free(thread_hash); - thread_hash = NULL; - } - } - CRYPTO_w_unlock(CRYPTO_LOCK_ERR); - - if (p != NULL) ERR_STATE_free(p); - } - -ERR_STATE *ERR_get_state(void) - { - static ERR_STATE fallback; - ERR_STATE *ret=NULL,tmp,*tmpp=NULL; - int thread_state_exists; - int i; - unsigned long pid; - - pid=(unsigned long)CRYPTO_thread_id(); - - CRYPTO_w_lock(CRYPTO_LOCK_ERR); - if (thread_hash != NULL) - { - tmp.pid=pid; - ret=(ERR_STATE *)lh_retrieve(thread_hash,&tmp); - } - CRYPTO_w_unlock(CRYPTO_LOCK_ERR); - - /* 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); - 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); - - /* no entry yet in thread_hash for current thread - - * thus, it may have changed since we last looked at it */ - if (thread_hash == NULL) - thread_hash = lh_new(pid_hash, pid_cmp); - if (thread_hash == NULL) - thread_state_exists = 0; /* allocation error */ - else - { - tmpp=(ERR_STATE *)lh_insert(thread_hash,ret); - thread_state_exists = 1; - } - - CRYPTO_w_unlock(CRYPTO_LOCK_ERR); - - if (!thread_state_exists) - { - ERR_STATE_free(ret); /* could not insert it */ - return(&fallback); - } - - 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=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); - return; - } - else - str=p; - } - strcat(str,a); - } - } - ERR_set_error_data(str,ERR_TXT_MALLOCED|ERR_TXT_STRING); - - va_end(args); - } - |