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391 lines
10 KiB
391 lines
10 KiB
/* conf_lib.c */ |
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/* |
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* Written by Richard Levitte (richard@levitte.org) for the OpenSSL project |
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* 2000. |
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*/ |
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/* ==================================================================== |
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* Copyright (c) 2000 The OpenSSL Project. All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in |
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* the documentation and/or other materials provided with the |
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* distribution. |
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* |
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* 3. All advertising materials mentioning features or use of this |
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* software must display the following acknowledgment: |
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* "This product includes software developed by the OpenSSL Project |
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* for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" |
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* |
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* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to |
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* endorse or promote products derived from this software without |
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* prior written permission. For written permission, please contact |
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* licensing@OpenSSL.org. |
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* |
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* 5. Products derived from this software may not be called "OpenSSL" |
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* nor may "OpenSSL" appear in their names without prior written |
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* permission of the OpenSSL Project. |
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* |
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* 6. Redistributions of any form whatsoever must retain the following |
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* acknowledgment: |
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* "This product includes software developed by the OpenSSL Project |
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* for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY |
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* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR |
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* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED |
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* OF THE POSSIBILITY OF SUCH DAMAGE. |
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* ==================================================================== |
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* |
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* This product includes cryptographic software written by Eric Young |
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* (eay@cryptsoft.com). This product includes software written by Tim |
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* Hudson (tjh@cryptsoft.com). |
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* |
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*/ |
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#include <stdio.h> |
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#include <openssl/crypto.h> |
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#include <openssl/err.h> |
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#include <openssl/conf.h> |
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#include <openssl/conf_api.h> |
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#include <openssl/lhash.h> |
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const char CONF_version[] = "CONF" OPENSSL_VERSION_PTEXT; |
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static CONF_METHOD *default_CONF_method = NULL; |
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/* Init a 'CONF' structure from an old LHASH */ |
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void CONF_set_nconf(CONF *conf, LHASH_OF(CONF_VALUE) *hash) |
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{ |
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if (default_CONF_method == NULL) |
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default_CONF_method = NCONF_default(); |
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default_CONF_method->init(conf); |
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conf->data = hash; |
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} |
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/* |
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* The following section contains the "CONF classic" functions, rewritten in |
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* terms of the new CONF interface. |
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*/ |
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int CONF_set_default_method(CONF_METHOD *meth) |
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{ |
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default_CONF_method = meth; |
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return 1; |
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} |
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LHASH_OF(CONF_VALUE) *CONF_load(LHASH_OF(CONF_VALUE) *conf, const char *file, |
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long *eline) |
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{ |
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LHASH_OF(CONF_VALUE) *ltmp; |
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BIO *in = NULL; |
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#ifdef OPENSSL_SYS_VMS |
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in = BIO_new_file(file, "r"); |
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#else |
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in = BIO_new_file(file, "rb"); |
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#endif |
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if (in == NULL) { |
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CONFerr(CONF_F_CONF_LOAD, ERR_R_SYS_LIB); |
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return NULL; |
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} |
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ltmp = CONF_load_bio(conf, in, eline); |
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BIO_free(in); |
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return ltmp; |
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} |
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#ifndef OPENSSL_NO_FP_API |
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LHASH_OF(CONF_VALUE) *CONF_load_fp(LHASH_OF(CONF_VALUE) *conf, FILE *fp, |
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long *eline) |
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{ |
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BIO *btmp; |
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LHASH_OF(CONF_VALUE) *ltmp; |
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if (!(btmp = BIO_new_fp(fp, BIO_NOCLOSE))) { |
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CONFerr(CONF_F_CONF_LOAD_FP, ERR_R_BUF_LIB); |
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return NULL; |
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} |
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ltmp = CONF_load_bio(conf, btmp, eline); |
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BIO_free(btmp); |
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return ltmp; |
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} |
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#endif |
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LHASH_OF(CONF_VALUE) *CONF_load_bio(LHASH_OF(CONF_VALUE) *conf, BIO *bp, |
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long *eline) |
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{ |
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CONF ctmp; |
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int ret; |
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CONF_set_nconf(&ctmp, conf); |
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ret = NCONF_load_bio(&ctmp, bp, eline); |
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if (ret) |
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return ctmp.data; |
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return NULL; |
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} |
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STACK_OF(CONF_VALUE) *CONF_get_section(LHASH_OF(CONF_VALUE) *conf, |
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const char *section) |
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{ |
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if (conf == NULL) { |
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return NULL; |
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} else { |
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CONF ctmp; |
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CONF_set_nconf(&ctmp, conf); |
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return NCONF_get_section(&ctmp, section); |
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} |
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} |
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char *CONF_get_string(LHASH_OF(CONF_VALUE) *conf, const char *group, |
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const char *name) |
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{ |
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if (conf == NULL) { |
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return NCONF_get_string(NULL, group, name); |
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} else { |
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CONF ctmp; |
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CONF_set_nconf(&ctmp, conf); |
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return NCONF_get_string(&ctmp, group, name); |
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} |
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} |
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long CONF_get_number(LHASH_OF(CONF_VALUE) *conf, const char *group, |
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const char *name) |
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{ |
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int status; |
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long result = 0; |
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if (conf == NULL) { |
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status = NCONF_get_number_e(NULL, group, name, &result); |
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} else { |
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CONF ctmp; |
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CONF_set_nconf(&ctmp, conf); |
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status = NCONF_get_number_e(&ctmp, group, name, &result); |
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} |
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if (status == 0) { |
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/* This function does not believe in errors... */ |
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ERR_clear_error(); |
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} |
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return result; |
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} |
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void CONF_free(LHASH_OF(CONF_VALUE) *conf) |
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{ |
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CONF ctmp; |
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CONF_set_nconf(&ctmp, conf); |
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NCONF_free_data(&ctmp); |
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} |
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#ifndef OPENSSL_NO_FP_API |
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int CONF_dump_fp(LHASH_OF(CONF_VALUE) *conf, FILE *out) |
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{ |
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BIO *btmp; |
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int ret; |
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if (!(btmp = BIO_new_fp(out, BIO_NOCLOSE))) { |
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CONFerr(CONF_F_CONF_DUMP_FP, ERR_R_BUF_LIB); |
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return 0; |
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} |
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ret = CONF_dump_bio(conf, btmp); |
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BIO_free(btmp); |
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return ret; |
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} |
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#endif |
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int CONF_dump_bio(LHASH_OF(CONF_VALUE) *conf, BIO *out) |
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{ |
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CONF ctmp; |
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CONF_set_nconf(&ctmp, conf); |
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return NCONF_dump_bio(&ctmp, out); |
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} |
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/* |
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* The following section contains the "New CONF" functions. They are |
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* completely centralised around a new CONF structure that may contain |
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* basically anything, but at least a method pointer and a table of data. |
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* These functions are also written in terms of the bridge functions used by |
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* the "CONF classic" functions, for consistency. |
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*/ |
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CONF *NCONF_new(CONF_METHOD *meth) |
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{ |
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CONF *ret; |
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if (meth == NULL) |
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meth = NCONF_default(); |
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ret = meth->create(meth); |
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if (ret == NULL) { |
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CONFerr(CONF_F_NCONF_NEW, ERR_R_MALLOC_FAILURE); |
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return (NULL); |
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} |
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return ret; |
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} |
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void NCONF_free(CONF *conf) |
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{ |
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if (conf == NULL) |
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return; |
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conf->meth->destroy(conf); |
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} |
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void NCONF_free_data(CONF *conf) |
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{ |
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if (conf == NULL) |
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return; |
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conf->meth->destroy_data(conf); |
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} |
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int NCONF_load(CONF *conf, const char *file, long *eline) |
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{ |
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if (conf == NULL) { |
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CONFerr(CONF_F_NCONF_LOAD, CONF_R_NO_CONF); |
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return 0; |
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} |
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return conf->meth->load(conf, file, eline); |
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} |
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#ifndef OPENSSL_NO_FP_API |
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int NCONF_load_fp(CONF *conf, FILE *fp, long *eline) |
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{ |
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BIO *btmp; |
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int ret; |
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if (!(btmp = BIO_new_fp(fp, BIO_NOCLOSE))) { |
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CONFerr(CONF_F_NCONF_LOAD_FP, ERR_R_BUF_LIB); |
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return 0; |
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} |
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ret = NCONF_load_bio(conf, btmp, eline); |
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BIO_free(btmp); |
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return ret; |
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} |
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#endif |
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int NCONF_load_bio(CONF *conf, BIO *bp, long *eline) |
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{ |
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if (conf == NULL) { |
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CONFerr(CONF_F_NCONF_LOAD_BIO, CONF_R_NO_CONF); |
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return 0; |
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} |
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return conf->meth->load_bio(conf, bp, eline); |
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} |
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STACK_OF(CONF_VALUE) *NCONF_get_section(const CONF *conf, const char *section) |
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{ |
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if (conf == NULL) { |
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CONFerr(CONF_F_NCONF_GET_SECTION, CONF_R_NO_CONF); |
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return NULL; |
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} |
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if (section == NULL) { |
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CONFerr(CONF_F_NCONF_GET_SECTION, CONF_R_NO_SECTION); |
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return NULL; |
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} |
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return _CONF_get_section_values(conf, section); |
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} |
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char *NCONF_get_string(const CONF *conf, const char *group, const char *name) |
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{ |
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char *s = _CONF_get_string(conf, group, name); |
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/* |
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* Since we may get a value from an environment variable even if conf is |
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* NULL, let's check the value first |
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*/ |
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if (s) |
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return s; |
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if (conf == NULL) { |
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CONFerr(CONF_F_NCONF_GET_STRING, |
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CONF_R_NO_CONF_OR_ENVIRONMENT_VARIABLE); |
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return NULL; |
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} |
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CONFerr(CONF_F_NCONF_GET_STRING, CONF_R_NO_VALUE); |
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ERR_add_error_data(4, "group=", group, " name=", name); |
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return NULL; |
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} |
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int NCONF_get_number_e(const CONF *conf, const char *group, const char *name, |
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long *result) |
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{ |
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char *str; |
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if (result == NULL) { |
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CONFerr(CONF_F_NCONF_GET_NUMBER_E, ERR_R_PASSED_NULL_PARAMETER); |
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return 0; |
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} |
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str = NCONF_get_string(conf, group, name); |
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if (str == NULL) |
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return 0; |
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for (*result = 0; conf->meth->is_number(conf, *str);) { |
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*result = (*result) * 10 + conf->meth->to_int(conf, *str); |
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str++; |
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} |
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return 1; |
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} |
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#ifndef OPENSSL_NO_FP_API |
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int NCONF_dump_fp(const CONF *conf, FILE *out) |
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{ |
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BIO *btmp; |
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int ret; |
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if (!(btmp = BIO_new_fp(out, BIO_NOCLOSE))) { |
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CONFerr(CONF_F_NCONF_DUMP_FP, ERR_R_BUF_LIB); |
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return 0; |
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} |
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ret = NCONF_dump_bio(conf, btmp); |
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BIO_free(btmp); |
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return ret; |
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} |
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#endif |
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int NCONF_dump_bio(const CONF *conf, BIO *out) |
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{ |
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if (conf == NULL) { |
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CONFerr(CONF_F_NCONF_DUMP_BIO, CONF_R_NO_CONF); |
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return 0; |
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} |
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return conf->meth->dump(conf, out); |
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} |
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/* This function should be avoided */ |
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#if 0 |
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long NCONF_get_number(CONF *conf, char *group, char *name) |
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{ |
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int status; |
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long ret = 0; |
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status = NCONF_get_number_e(conf, group, name, &ret); |
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if (status == 0) { |
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/* This function does not believe in errors... */ |
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ERR_get_error(); |
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} |
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return ret; |
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} |
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#endif
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