| /* crypto/err/err_prn.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.] |
| */ |
| |
| #include <stdio.h> |
| #include "cryptlib.h" |
| #include <openssl/lhash.h> |
| #include <openssl/crypto.h> |
| #include <openssl/buffer.h> |
| #include <openssl/err.h> |
| |
| void ERR_print_errors_cb(int (*cb)(const char *str, size_t len, void *u), |
| void *u) |
| { |
| unsigned long l; |
| char buf[256]; |
| char buf2[4096]; |
| const char *file,*data; |
| int line,flags; |
| unsigned long es; |
| |
| es=CRYPTO_thread_id(); |
| while ((l=ERR_get_error_line_data(&file,&line,&data,&flags)) != 0) |
| { |
| ERR_error_string_n(l, buf, sizeof buf); |
| BIO_snprintf(buf2, sizeof(buf2), "%lu:%s:%s:%d:%s\n", es, buf, |
| file, line, (flags & ERR_TXT_STRING) ? data : ""); |
| if (cb(buf2, strlen(buf2), u) <= 0) |
| break; /* abort outputting the error report */ |
| } |
| } |
| |
| #ifndef OPENSSL_NO_FP_API |
| static int print_fp(const char *str, size_t len, void *fp) |
| { |
| BIO bio; |
| |
| BIO_set(&bio,BIO_s_file()); |
| BIO_set_fp(&bio,fp,BIO_NOCLOSE); |
| |
| return BIO_printf(&bio, "%s", str); |
| } |
| void ERR_print_errors_fp(FILE *fp) |
| { |
| ERR_print_errors_cb(print_fp, fp); |
| } |
| #endif |
| |
| 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; |
| } |