diff options
author | Bodo Möller <bodo@openssl.org> | 2000-03-04 01:36:53 +0000 |
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committer | Bodo Möller <bodo@openssl.org> | 2000-03-04 01:36:53 +0000 |
commit | 0a150c5c9f5a4e16c45c9c65a8103ebd37fee14f (patch) | |
tree | 58af4b55a7496939a0db2e19012f29b6892707f3 /crypto/err/err.c | |
parent | c7fecee8b5e3a07746358af8c0f7610a3ed213bd (diff) |
Generate correct error reasons strings for SYSerr.
Diffstat (limited to 'crypto/err/err.c')
-rw-r--r-- | crypto/err/err.c | 106 |
1 files changed, 105 insertions, 1 deletions
diff --git a/crypto/err/err.c b/crypto/err/err.c index 93c64cbc4f..eb8c76aa0b 100644 --- a/crypto/err/err.c +++ b/crypto/err/err.c @@ -55,9 +55,63 @@ * 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" @@ -154,6 +208,54 @@ static ERR_STRING_DATA ERR_str_reasons[]= {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) \ @@ -191,14 +293,16 @@ 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; } } |