diff options
Diffstat (limited to 'crypto/err/err.c')
| -rw-r--r-- | crypto/err/err.c | 223 |
1 files changed, 38 insertions, 185 deletions
diff --git a/crypto/err/err.c b/crypto/err/err.c index b0ee24c3249..93c64cbc4f2 100644 --- a/crypto/err/err.c +++ b/crypto/err/err.c @@ -55,69 +55,15 @@ * 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 - * [email protected]. - * - * 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 - * ([email protected]). This product includes software written by Tim - * Hudson ([email protected]). - * - */ #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> +#include <openssl/crypto.h> static LHASH *error_hash=NULL; @@ -137,7 +83,6 @@ static ERR_STRING_DATA ERR_str_libraries[]= {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"}, @@ -156,7 +101,6 @@ static ERR_STRING_DATA ERR_str_libraries[]= {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"}, {0,NULL}, }; @@ -207,58 +151,9 @@ static ERR_STRING_DATA ERR_str_reasons[]= {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"}, {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) \ @@ -296,16 +191,14 @@ void ERR_load_ERR_strings(void) CRYPTO_w_unlock(CRYPTO_LOCK_ERR); return; } + init=0; 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; } } @@ -478,11 +371,13 @@ static unsigned long get_error_values(int inc, const char **file, int *line, return(ret); } -void ERR_error_string_n(unsigned long e, char *buf, size_t len) +/* BAD for multi-threaded, uses a local buffer if ret == NULL */ +char *ERR_error_string(unsigned long e, char *ret) { - char lsbuf[64], fsbuf[64], rsbuf[64]; + static char buf[256]; const char *ls,*fs,*rs; unsigned long l,f,r; + int i; l=ERR_GET_LIB(e); f=ERR_GET_FUNC(e); @@ -492,50 +387,21 @@ void ERR_error_string_n(unsigned long e, char *buf, size_t len) fs=ERR_func_error_string(e); rs=ERR_reason_error_string(e); - if (ls == NULL) - BIO_snprintf(lsbuf, sizeof(lsbuf), "lib(%lu)", l); + 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) - BIO_snprintf(fsbuf, sizeof(fsbuf), "func(%lu)", f); + sprintf(&(ret[i]),":func(%lu) ",f); + else sprintf(&(ret[i]),":%s",fs); + i=strlen(ret); 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, buf, 256); + sprintf(&(ret[i]),":reason(%lu)",r); + else sprintf(&(ret[i]),":%s",rs); return(ret); } @@ -545,7 +411,6 @@ LHASH *ERR_get_string_table(void) return(error_hash); } -/* not thread-safe */ LHASH *ERR_get_err_state_table(void) { return(thread_hash); @@ -653,12 +518,6 @@ void ERR_remove_state(unsigned long pid) tmp.pid=pid; CRYPTO_w_lock(CRYPTO_LOCK_ERR); 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); @@ -667,20 +526,34 @@ void ERR_remove_state(unsigned long pid) ERR_STATE *ERR_get_state(void) { static ERR_STATE fallback; - ERR_STATE *ret=NULL,tmp,*tmpp=NULL; - int thread_state_exists; + 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) + 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(&fallback); + } + 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); } - CRYPTO_r_unlock(CRYPTO_LOCK_ERR); /* ret == the error state, if NULL, make a new one */ if (ret == NULL) @@ -695,29 +568,9 @@ ERR_STATE *ERR_get_state(void) 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; - } - + tmpp=(ERR_STATE *)lh_insert(thread_hash,ret); 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); |