diff options
Diffstat (limited to 'openssl/crypto/err/err_prn.c')
-rw-r--r-- | openssl/crypto/err/err_prn.c | 157 |
1 files changed, 157 insertions, 0 deletions
diff --git a/openssl/crypto/err/err_prn.c b/openssl/crypto/err/err_prn.c new file mode 100644 index 000000000..4cdf342fa --- /dev/null +++ b/openssl/crypto/err/err_prn.c @@ -0,0 +1,157 @@ +/* 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 : ""); + cb(buf2, strlen(buf2), u); + } + } + +#ifndef OPENSSL_NO_FP_API +static int print_fp(const char *str, size_t len, void *fp) + { + return fwrite(str, 1, len, fp); + } +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; + } |