diff options
Diffstat (limited to 'crypto/conf/conf_lib.c')
-rw-r--r-- | crypto/conf/conf_lib.c | 167 |
1 files changed, 82 insertions, 85 deletions
diff --git a/crypto/conf/conf_lib.c b/crypto/conf/conf_lib.c index 5281384807ba..07110d8502a4 100644 --- a/crypto/conf/conf_lib.c +++ b/crypto/conf/conf_lib.c @@ -1,71 +1,23 @@ -/* conf_lib.c */ /* - * Written by Richard Levitte (richard@levitte.org) for the OpenSSL project - * 2000. - */ -/* ==================================================================== - * Copyright (c) 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 - * licensing@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). + * Copyright 2000-2018 The OpenSSL Project Authors. All Rights Reserved. * + * Licensed under the OpenSSL license (the "License"). You may not use + * this file except in compliance with the License. You can obtain a copy + * in the file LICENSE in the source distribution or at + * https://www.openssl.org/source/license.html */ +#include "e_os.h" #include <stdio.h> +#include <string.h> +#include "internal/conf.h" +#include "internal/ctype.h" #include <openssl/crypto.h> #include <openssl/err.h> #include <openssl/conf.h> #include <openssl/conf_api.h> #include <openssl/lhash.h> -const char CONF_version[] = "CONF" OPENSSL_VERSION_PTEXT; - static CONF_METHOD *default_CONF_method = NULL; /* Init a 'CONF' structure from an old LHASH */ @@ -112,13 +64,13 @@ LHASH_OF(CONF_VALUE) *CONF_load(LHASH_OF(CONF_VALUE) *conf, const char *file, return ltmp; } -#ifndef OPENSSL_NO_FP_API +#ifndef OPENSSL_NO_STDIO LHASH_OF(CONF_VALUE) *CONF_load_fp(LHASH_OF(CONF_VALUE) *conf, FILE *fp, long *eline) { BIO *btmp; LHASH_OF(CONF_VALUE) *ltmp; - if (!(btmp = BIO_new_fp(fp, BIO_NOCLOSE))) { + if ((btmp = BIO_new_fp(fp, BIO_NOCLOSE)) == NULL) { CONFerr(CONF_F_CONF_LOAD_FP, ERR_R_BUF_LIB); return NULL; } @@ -172,6 +124,7 @@ long CONF_get_number(LHASH_OF(CONF_VALUE) *conf, const char *group, int status; long result = 0; + ERR_set_mark(); if (conf == NULL) { status = NCONF_get_number_e(NULL, group, name, &result); } else { @@ -179,12 +132,8 @@ long CONF_get_number(LHASH_OF(CONF_VALUE) *conf, const char *group, CONF_set_nconf(&ctmp, conf); status = NCONF_get_number_e(&ctmp, group, name, &result); } - - if (status == 0) { - /* This function does not believe in errors... */ - ERR_clear_error(); - } - return result; + ERR_pop_to_mark(); + return status == 0 ? 0L : result; } void CONF_free(LHASH_OF(CONF_VALUE) *conf) @@ -194,13 +143,13 @@ void CONF_free(LHASH_OF(CONF_VALUE) *conf) NCONF_free_data(&ctmp); } -#ifndef OPENSSL_NO_FP_API +#ifndef OPENSSL_NO_STDIO int CONF_dump_fp(LHASH_OF(CONF_VALUE) *conf, FILE *out) { BIO *btmp; int ret; - if (!(btmp = BIO_new_fp(out, BIO_NOCLOSE))) { + if ((btmp = BIO_new_fp(out, BIO_NOCLOSE)) == NULL) { CONFerr(CONF_F_CONF_DUMP_FP, ERR_R_BUF_LIB); return 0; } @@ -235,7 +184,7 @@ CONF *NCONF_new(CONF_METHOD *meth) ret = meth->create(meth); if (ret == NULL) { CONFerr(CONF_F_NCONF_NEW, ERR_R_MALLOC_FAILURE); - return (NULL); + return NULL; } return ret; @@ -265,12 +214,12 @@ int NCONF_load(CONF *conf, const char *file, long *eline) return conf->meth->load(conf, file, eline); } -#ifndef OPENSSL_NO_FP_API +#ifndef OPENSSL_NO_STDIO int NCONF_load_fp(CONF *conf, FILE *fp, long *eline) { BIO *btmp; int ret; - if (!(btmp = BIO_new_fp(fp, BIO_NOCLOSE))) { + if ((btmp = BIO_new_fp(fp, BIO_NOCLOSE)) == NULL) { CONFerr(CONF_F_NCONF_LOAD_FP, ERR_R_BUF_LIB); return 0; } @@ -326,10 +275,23 @@ char *NCONF_get_string(const CONF *conf, const char *group, const char *name) return NULL; } +static int default_is_number(const CONF *conf, char c) +{ + return ossl_isdigit(c); +} + +static int default_to_int(const CONF *conf, char c) +{ + return (int)(c - '0'); +} + int NCONF_get_number_e(const CONF *conf, const char *group, const char *name, long *result) { char *str; + long res; + int (*is_number)(const CONF *, char) = &default_is_number; + int (*to_int)(const CONF *, char) = &default_to_int; if (result == NULL) { CONFerr(CONF_F_NCONF_GET_NUMBER_E, ERR_R_PASSED_NULL_PARAMETER); @@ -341,20 +303,32 @@ int NCONF_get_number_e(const CONF *conf, const char *group, const char *name, if (str == NULL) return 0; - for (*result = 0; conf->meth->is_number(conf, *str);) { - *result = (*result) * 10 + conf->meth->to_int(conf, *str); - str++; + if (conf != NULL) { + if (conf->meth->is_number != NULL) + is_number = conf->meth->is_number; + if (conf->meth->to_int != NULL) + to_int = conf->meth->to_int; + } + for (res = 0; is_number(conf, *str); str++) { + const int d = to_int(conf, *str); + + if (res > (LONG_MAX - d) / 10L) { + CONFerr(CONF_F_NCONF_GET_NUMBER_E, CONF_R_NUMBER_TOO_LARGE); + return 0; + } + res = res * 10 + d; } + *result = res; return 1; } -#ifndef OPENSSL_NO_FP_API +#ifndef OPENSSL_NO_STDIO int NCONF_dump_fp(const CONF *conf, FILE *out) { BIO *btmp; int ret; - if (!(btmp = BIO_new_fp(out, BIO_NOCLOSE))) { + if ((btmp = BIO_new_fp(out, BIO_NOCLOSE)) == NULL) { CONFerr(CONF_F_NCONF_DUMP_FP, ERR_R_BUF_LIB); return 0; } @@ -374,18 +348,41 @@ int NCONF_dump_bio(const CONF *conf, BIO *out) return conf->meth->dump(conf, out); } -/* This function should be avoided */ -#if 0 -long NCONF_get_number(CONF *conf, char *group, char *name) +/* + * These routines call the C malloc/free, to avoid intermixing with + * OpenSSL function pointers before the library is initialized. + */ +OPENSSL_INIT_SETTINGS *OPENSSL_INIT_new(void) { - int status; - long ret = 0; + OPENSSL_INIT_SETTINGS *ret = malloc(sizeof(*ret)); - status = NCONF_get_number_e(conf, group, name, &ret); - if (status == 0) { - /* This function does not believe in errors... */ - ERR_get_error(); - } + if (ret != NULL) + memset(ret, 0, sizeof(*ret)); return ret; } + + +#ifndef OPENSSL_NO_STDIO +int OPENSSL_INIT_set_config_appname(OPENSSL_INIT_SETTINGS *settings, + const char *appname) +{ + char *newappname = NULL; + + if (appname != NULL) { + newappname = strdup(appname); + if (newappname == NULL) + return 0; + } + + free(settings->appname); + settings->appname = newappname; + + return 1; +} #endif + +void OPENSSL_INIT_free(OPENSSL_INIT_SETTINGS *settings) +{ + free(settings->appname); + free(settings); +} |