err_prn.c revision 215697
11573Srgrimes/* crypto/err/err_prn.c */ 21573Srgrimes/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) 31573Srgrimes * All rights reserved. 41573Srgrimes * 51573Srgrimes * This package is an SSL implementation written 61573Srgrimes * by Eric Young (eay@cryptsoft.com). 71573Srgrimes * The implementation was written so as to conform with Netscapes SSL. 81573Srgrimes * 91573Srgrimes * This library is free for commercial and non-commercial use as long as 101573Srgrimes * the following conditions are aheared to. The following conditions 111573Srgrimes * apply to all code found in this distribution, be it the RC4, RSA, 121573Srgrimes * lhash, DES, etc., code; not just the SSL code. The SSL documentation 131573Srgrimes * included with this distribution is covered by the same copyright terms 141573Srgrimes * except that the holder is Tim Hudson (tjh@cryptsoft.com). 151573Srgrimes * 161573Srgrimes * Copyright remains Eric Young's, and as such any Copyright notices in 171573Srgrimes * the code are not to be removed. 181573Srgrimes * If this package is used in a product, Eric Young should be given attribution 191573Srgrimes * as the author of the parts of the library used. 201573Srgrimes * This can be in the form of a textual message at program startup or 211573Srgrimes * in documentation (online or textual) provided with the package. 221573Srgrimes * 231573Srgrimes * Redistribution and use in source and binary forms, with or without 241573Srgrimes * modification, are permitted provided that the following conditions 251573Srgrimes * are met: 261573Srgrimes * 1. Redistributions of source code must retain the copyright 271573Srgrimes * notice, this list of conditions and the following disclaimer. 281573Srgrimes * 2. Redistributions in binary form must reproduce the above copyright 2950476Speter * notice, this list of conditions and the following disclaimer in the 301573Srgrimes * documentation and/or other materials provided with the distribution. 31251203Sjilles * 3. All advertising materials mentioning features or use of this software 321573Srgrimes * must display the following acknowledgement: 3379531Sru * "This product includes cryptographic software written by 341573Srgrimes * Eric Young (eay@cryptsoft.com)" 351573Srgrimes * The word 'cryptographic' can be left out if the rouines from the library 361573Srgrimes * being used are not cryptographic related :-). 371573Srgrimes * 4. If you include any Windows specific code (or a derivative thereof) from 3859460Sphantom * the apps directory (application code) you must include an acknowledgement: 3959460Sphantom * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" 401573Srgrimes * 4184306Sru * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND 421573Srgrimes * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 431573Srgrimes * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 441573Srgrimes * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 451573Srgrimes * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 461573Srgrimes * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 47100144Skeramida * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 48100144Skeramida * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 49108028Sru * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 501573Srgrimes * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 511573Srgrimes * SUCH DAMAGE. 521573Srgrimes * 531573Srgrimes * The licence and distribution terms for any publically available version or 541573Srgrimes * derivative of this code cannot be changed. i.e. this code cannot simply be 551573Srgrimes * copied and put under another distribution licence 561573Srgrimes * [including the GNU Public Licence.] 571573Srgrimes */ 58131504Sru 591573Srgrimes#include <stdio.h> 601573Srgrimes#include "cryptlib.h" 611573Srgrimes#include <openssl/lhash.h> 621573Srgrimes#include <openssl/crypto.h> 631573Srgrimes#include <openssl/buffer.h> 641573Srgrimes#include <openssl/err.h> 651573Srgrimes 661573Srgrimesvoid ERR_print_errors_cb(int (*cb)(const char *str, size_t len, void *u), 671573Srgrimes void *u) 681573Srgrimes { 691573Srgrimes unsigned long l; 701573Srgrimes char buf[256]; 711573Srgrimes char buf2[4096]; 721573Srgrimes const char *file,*data; 731573Srgrimes int line,flags; 741573Srgrimes unsigned long es; 751573Srgrimes 761573Srgrimes es=CRYPTO_thread_id(); 771573Srgrimes while ((l=ERR_get_error_line_data(&file,&line,&data,&flags)) != 0) 781573Srgrimes { 791573Srgrimes ERR_error_string_n(l, buf, sizeof buf); 801573Srgrimes BIO_snprintf(buf2, sizeof(buf2), "%lu:%s:%s:%d:%s\n", es, buf, 811573Srgrimes file, line, (flags & ERR_TXT_STRING) ? data : ""); 821573Srgrimes if (cb(buf2, strlen(buf2), u) <= 0) 831573Srgrimes break; /* abort outputting the error report */ 841573Srgrimes } 851573Srgrimes } 86108028Sru 871573Srgrimes#ifndef OPENSSL_NO_FP_API 881573Srgrimesstatic int print_fp(const char *str, size_t len, void *fp) 8979754Sdd { 901573Srgrimes BIO bio; 911573Srgrimes 921573Srgrimes BIO_set(&bio,BIO_s_file()); 93131504Sru BIO_set_fp(&bio,fp,BIO_NOCLOSE); 94131504Sru 9523574Smckay return BIO_printf(&bio, "%s", str); 9681462Sru } 9723574Smckayvoid ERR_print_errors_fp(FILE *fp) 98108028Sru { 991573Srgrimes ERR_print_errors_cb(print_fp, fp); 100108028Sru } 10123574Smckay#endif 10223574Smckay 10323574Smckayvoid ERR_error_string_n(unsigned long e, char *buf, size_t len) 10423574Smckay { 10523574Smckay char lsbuf[64], fsbuf[64], rsbuf[64]; 10623574Smckay const char *ls,*fs,*rs; 10723574Smckay unsigned long l,f,r; 10823574Smckay 10923574Smckay l=ERR_GET_LIB(e); 11023574Smckay f=ERR_GET_FUNC(e); 11123574Smckay r=ERR_GET_REASON(e); 11223574Smckay 11323574Smckay ls=ERR_lib_error_string(e); 11423574Smckay fs=ERR_func_error_string(e); 1151573Srgrimes rs=ERR_reason_error_string(e); 116251203Sjilles 117251203Sjilles if (ls == NULL) 118251203Sjilles BIO_snprintf(lsbuf, sizeof(lsbuf), "lib(%lu)", l); 1191573Srgrimes if (fs == NULL) 120251203Sjilles BIO_snprintf(fsbuf, sizeof(fsbuf), "func(%lu)", f); 1211573Srgrimes if (rs == NULL) 122100144Skeramida BIO_snprintf(rsbuf, sizeof(rsbuf), "reason(%lu)", r); 123100144Skeramida 124234131Seadler BIO_snprintf(buf, len,"error:%08lX:%s:%s:%s", e, ls?ls:lsbuf, 1251573Srgrimes fs?fs:fsbuf, rs?rs:rsbuf); 1261573Srgrimes if (strlen(buf) == len-1) 127108087Sru { 128108087Sru /* output may be truncated; make sure we always have 5 129108087Sru * colon-separated fields, i.e. 4 colons ... */ 1301573Srgrimes#define NUM_COLONS 4 1311573Srgrimes if (len > NUM_COLONS) /* ... if possible */ 1321573Srgrimes { 1331573Srgrimes int i; 134239503Szeising char *s = buf; 135234131Seadler 136234131Seadler for (i = 0; i < NUM_COLONS; i++) 137234131Seadler { 138234131Seadler char *colon = strchr(s, ':'); 139234131Seadler if (colon == NULL || colon > &buf[len-1] - NUM_COLONS + i) 140234131Seadler { 141234131Seadler /* set colon no. i at last possible position 142234131Seadler * (buf[len-1] is the terminating 0)*/ 143234131Seadler colon = &buf[len-1] - NUM_COLONS + i; 144234131Seadler *colon = ':'; 145234131Seadler } 1461573Srgrimes s = colon + 1; 1471573Srgrimes } 1481573Srgrimes } 1491573Srgrimes } 15021907Swosch } 15121907Swosch 1521573Srgrimes/* BAD for multi-threading: uses a local buffer if ret == NULL */ 1531573Srgrimes/* ERR_error_string_n should be used instead for ret != NULL 154254410Sjilles * as ERR_error_string cannot know how large the buffer is */ 155254410Sjilleschar *ERR_error_string(unsigned long e, char *ret) 1561573Srgrimes { 15720097Swosch static char buf[256]; 15820097Swosch 1591573Srgrimes if (ret == NULL) ret=buf; 1601573Srgrimes ERR_error_string_n(e, ret, 256); 161108028Sru 16220097Swosch return ret; 16317906Swosch } 164108028Sru