diff options
Diffstat (limited to 'openssl/crypto/conf/conf_lib.c')
| -rw-r--r-- | openssl/crypto/conf/conf_lib.c | 391 |
1 files changed, 391 insertions, 0 deletions
diff --git a/openssl/crypto/conf/conf_lib.c b/openssl/crypto/conf/conf_lib.c new file mode 100644 index 0000000..5281384 --- /dev/null +++ b/openssl/crypto/conf/conf_lib.c @@ -0,0 +1,391 @@ +/* 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). + * + */ + +#include <stdio.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 */ + +void CONF_set_nconf(CONF *conf, LHASH_OF(CONF_VALUE) *hash) +{ + if (default_CONF_method == NULL) + default_CONF_method = NCONF_default(); + + default_CONF_method->init(conf); + conf->data = hash; +} + +/* + * The following section contains the "CONF classic" functions, rewritten in + * terms of the new CONF interface. + */ + +int CONF_set_default_method(CONF_METHOD *meth) +{ + default_CONF_method = meth; + return 1; +} + +LHASH_OF(CONF_VALUE) *CONF_load(LHASH_OF(CONF_VALUE) *conf, const char *file, + long *eline) +{ + LHASH_OF(CONF_VALUE) *ltmp; + BIO *in = NULL; + +#ifdef OPENSSL_SYS_VMS + in = BIO_new_file(file, "r"); +#else + in = BIO_new_file(file, "rb"); +#endif + if (in == NULL) { + CONFerr(CONF_F_CONF_LOAD, ERR_R_SYS_LIB); + return NULL; + } + + ltmp = CONF_load_bio(conf, in, eline); + BIO_free(in); + + return ltmp; +} + +#ifndef OPENSSL_NO_FP_API +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))) { + CONFerr(CONF_F_CONF_LOAD_FP, ERR_R_BUF_LIB); + return NULL; + } + ltmp = CONF_load_bio(conf, btmp, eline); + BIO_free(btmp); + return ltmp; +} +#endif + +LHASH_OF(CONF_VALUE) *CONF_load_bio(LHASH_OF(CONF_VALUE) *conf, BIO *bp, + long *eline) +{ + CONF ctmp; + int ret; + + CONF_set_nconf(&ctmp, conf); + + ret = NCONF_load_bio(&ctmp, bp, eline); + if (ret) + return ctmp.data; + return NULL; +} + +STACK_OF(CONF_VALUE) *CONF_get_section(LHASH_OF(CONF_VALUE) *conf, + const char *section) +{ + if (conf == NULL) { + return NULL; + } else { + CONF ctmp; + CONF_set_nconf(&ctmp, conf); + return NCONF_get_section(&ctmp, section); + } +} + +char *CONF_get_string(LHASH_OF(CONF_VALUE) *conf, const char *group, + const char *name) +{ + if (conf == NULL) { + return NCONF_get_string(NULL, group, name); + } else { + CONF ctmp; + CONF_set_nconf(&ctmp, conf); + return NCONF_get_string(&ctmp, group, name); + } +} + +long CONF_get_number(LHASH_OF(CONF_VALUE) *conf, const char *group, + const char *name) +{ + int status; + long result = 0; + + if (conf == NULL) { + status = NCONF_get_number_e(NULL, group, name, &result); + } else { + CONF ctmp; + 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; +} + +void CONF_free(LHASH_OF(CONF_VALUE) *conf) +{ + CONF ctmp; + CONF_set_nconf(&ctmp, conf); + NCONF_free_data(&ctmp); +} + +#ifndef OPENSSL_NO_FP_API +int CONF_dump_fp(LHASH_OF(CONF_VALUE) *conf, FILE *out) +{ + BIO *btmp; + int ret; + + if (!(btmp = BIO_new_fp(out, BIO_NOCLOSE))) { + CONFerr(CONF_F_CONF_DUMP_FP, ERR_R_BUF_LIB); + return 0; + } + ret = CONF_dump_bio(conf, btmp); + BIO_free(btmp); + return ret; +} +#endif + +int CONF_dump_bio(LHASH_OF(CONF_VALUE) *conf, BIO *out) +{ + CONF ctmp; + CONF_set_nconf(&ctmp, conf); + return NCONF_dump_bio(&ctmp, out); +} + +/* + * The following section contains the "New CONF" functions. They are + * completely centralised around a new CONF structure that may contain + * basically anything, but at least a method pointer and a table of data. + * These functions are also written in terms of the bridge functions used by + * the "CONF classic" functions, for consistency. + */ + +CONF *NCONF_new(CONF_METHOD *meth) +{ + CONF *ret; + + if (meth == NULL) + meth = NCONF_default(); + + ret = meth->create(meth); + if (ret == NULL) { + CONFerr(CONF_F_NCONF_NEW, ERR_R_MALLOC_FAILURE); + return (NULL); + } + + return ret; +} + +void NCONF_free(CONF *conf) +{ + if (conf == NULL) + return; + conf->meth->destroy(conf); +} + +void NCONF_free_data(CONF *conf) +{ + if (conf == NULL) + return; + conf->meth->destroy_data(conf); +} + +int NCONF_load(CONF *conf, const char *file, long *eline) +{ + if (conf == NULL) { + CONFerr(CONF_F_NCONF_LOAD, CONF_R_NO_CONF); + return 0; + } + + return conf->meth->load(conf, file, eline); +} + +#ifndef OPENSSL_NO_FP_API +int NCONF_load_fp(CONF *conf, FILE *fp, long *eline) +{ + BIO *btmp; + int ret; + if (!(btmp = BIO_new_fp(fp, BIO_NOCLOSE))) { + CONFerr(CONF_F_NCONF_LOAD_FP, ERR_R_BUF_LIB); + return 0; + } + ret = NCONF_load_bio(conf, btmp, eline); + BIO_free(btmp); + return ret; +} +#endif + +int NCONF_load_bio(CONF *conf, BIO *bp, long *eline) +{ + if (conf == NULL) { + CONFerr(CONF_F_NCONF_LOAD_BIO, CONF_R_NO_CONF); + return 0; + } + + return conf->meth->load_bio(conf, bp, eline); +} + +STACK_OF(CONF_VALUE) *NCONF_get_section(const CONF *conf, const char *section) +{ + if (conf == NULL) { + CONFerr(CONF_F_NCONF_GET_SECTION, CONF_R_NO_CONF); + return NULL; + } + + if (section == NULL) { + CONFerr(CONF_F_NCONF_GET_SECTION, CONF_R_NO_SECTION); + return NULL; + } + + return _CONF_get_section_values(conf, section); +} + +char *NCONF_get_string(const CONF *conf, const char *group, const char *name) +{ + char *s = _CONF_get_string(conf, group, name); + + /* + * Since we may get a value from an environment variable even if conf is + * NULL, let's check the value first + */ + if (s) + return s; + + if (conf == NULL) { + CONFerr(CONF_F_NCONF_GET_STRING, + CONF_R_NO_CONF_OR_ENVIRONMENT_VARIABLE); + return NULL; + } + CONFerr(CONF_F_NCONF_GET_STRING, CONF_R_NO_VALUE); + ERR_add_error_data(4, "group=", group, " name=", name); + return NULL; +} + +int NCONF_get_number_e(const CONF *conf, const char *group, const char *name, + long *result) +{ + char *str; + + if (result == NULL) { + CONFerr(CONF_F_NCONF_GET_NUMBER_E, ERR_R_PASSED_NULL_PARAMETER); + return 0; + } + + str = NCONF_get_string(conf, group, 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++; + } + + return 1; +} + +#ifndef OPENSSL_NO_FP_API +int NCONF_dump_fp(const CONF *conf, FILE *out) +{ + BIO *btmp; + int ret; + if (!(btmp = BIO_new_fp(out, BIO_NOCLOSE))) { + CONFerr(CONF_F_NCONF_DUMP_FP, ERR_R_BUF_LIB); + return 0; + } + ret = NCONF_dump_bio(conf, btmp); + BIO_free(btmp); + return ret; +} +#endif + +int NCONF_dump_bio(const CONF *conf, BIO *out) +{ + if (conf == NULL) { + CONFerr(CONF_F_NCONF_DUMP_BIO, CONF_R_NO_CONF); + return 0; + } + + return conf->meth->dump(conf, out); +} + +/* This function should be avoided */ +#if 0 +long NCONF_get_number(CONF *conf, char *group, char *name) +{ + int status; + long ret = 0; + + status = NCONF_get_number_e(conf, group, name, &ret); + if (status == 0) { + /* This function does not believe in errors... */ + ERR_get_error(); + } + return ret; +} +#endif |