diff options
Diffstat (limited to 'openssl/crypto/conf/conf_api.c')
| -rw-r--r-- | openssl/crypto/conf/conf_api.c | 305 |
1 files changed, 305 insertions, 0 deletions
diff --git a/openssl/crypto/conf/conf_api.c b/openssl/crypto/conf/conf_api.c new file mode 100644 index 0000000..4cf7553 --- /dev/null +++ b/openssl/crypto/conf/conf_api.c @@ -0,0 +1,305 @@ +/* conf_api.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.] + */ + +/* Part of the code in here was originally in conf.c, which is now removed */ + +#ifndef CONF_DEBUG +# undef NDEBUG /* avoid conflicting definitions */ +# define NDEBUG +#endif + +#include <assert.h> +#include <stdlib.h> +#include <string.h> +#include <openssl/conf.h> +#include <openssl/conf_api.h> +#include "e_os.h" + +static void value_free_hash_doall_arg(CONF_VALUE *a, + LHASH_OF(CONF_VALUE) *conf); +static void value_free_stack_doall(CONF_VALUE *a); +static IMPLEMENT_LHASH_DOALL_ARG_FN(value_free_hash, CONF_VALUE, + LHASH_OF(CONF_VALUE)) +static IMPLEMENT_LHASH_DOALL_FN(value_free_stack, CONF_VALUE) + +/* Up until OpenSSL 0.9.5a, this was get_section */ +CONF_VALUE *_CONF_get_section(const CONF *conf, const char *section) +{ + CONF_VALUE *v, vv; + + if ((conf == NULL) || (section == NULL)) + return (NULL); + vv.name = NULL; + vv.section = (char *)section; + v = lh_CONF_VALUE_retrieve(conf->data, &vv); + return (v); +} + +/* Up until OpenSSL 0.9.5a, this was CONF_get_section */ +STACK_OF(CONF_VALUE) *_CONF_get_section_values(const CONF *conf, + const char *section) +{ + CONF_VALUE *v; + + v = _CONF_get_section(conf, section); + if (v != NULL) + return ((STACK_OF(CONF_VALUE) *)v->value); + else + return (NULL); +} + +int _CONF_add_string(CONF *conf, CONF_VALUE *section, CONF_VALUE *value) +{ + CONF_VALUE *v = NULL; + STACK_OF(CONF_VALUE) *ts; + + ts = (STACK_OF(CONF_VALUE) *)section->value; + + value->section = section->section; + if (!sk_CONF_VALUE_push(ts, value)) { + return 0; + } + + v = lh_CONF_VALUE_insert(conf->data, value); + if (v != NULL) { + (void)sk_CONF_VALUE_delete_ptr(ts, v); + OPENSSL_free(v->name); + OPENSSL_free(v->value); + OPENSSL_free(v); + } + return 1; +} + +char *_CONF_get_string(const CONF *conf, const char *section, + const char *name) +{ + CONF_VALUE *v, vv; + char *p; + + if (name == NULL) + return (NULL); + if (conf != NULL) { + if (section != NULL) { + vv.name = (char *)name; + vv.section = (char *)section; + v = lh_CONF_VALUE_retrieve(conf->data, &vv); + if (v != NULL) + return (v->value); + if (strcmp(section, "ENV") == 0) { + p = getenv(name); + if (p != NULL) + return (p); + } + } + vv.section = "default"; + vv.name = (char *)name; + v = lh_CONF_VALUE_retrieve(conf->data, &vv); + if (v != NULL) + return (v->value); + else + return (NULL); + } else + return (getenv(name)); +} + +#if 0 /* There's no way to provide error checking + * with this function, so force implementors + * of the higher levels to get a string and + * read the number themselves. */ +long _CONF_get_number(CONF *conf, char *section, char *name) +{ + char *str; + long ret = 0; + + str = _CONF_get_string(conf, section, name); + if (str == NULL) + return (0); + for (;;) { + if (conf->meth->is_number(conf, *str)) + ret = ret * 10 + conf->meth->to_int(conf, *str); + else + return (ret); + str++; + } +} +#endif + +static unsigned long conf_value_hash(const CONF_VALUE *v) +{ + return (lh_strhash(v->section) << 2) ^ lh_strhash(v->name); +} + +static IMPLEMENT_LHASH_HASH_FN(conf_value, CONF_VALUE) + +static int conf_value_cmp(const CONF_VALUE *a, const CONF_VALUE *b) +{ + int i; + + if (a->section != b->section) { + i = strcmp(a->section, b->section); + if (i) + return (i); + } + + if ((a->name != NULL) && (b->name != NULL)) { + i = strcmp(a->name, b->name); + return (i); + } else if (a->name == b->name) + return (0); + else + return ((a->name == NULL) ? -1 : 1); +} + +static IMPLEMENT_LHASH_COMP_FN(conf_value, CONF_VALUE) + +int _CONF_new_data(CONF *conf) +{ + if (conf == NULL) { + return 0; + } + if (conf->data == NULL) + if ((conf->data = lh_CONF_VALUE_new()) == NULL) { + return 0; + } + return 1; +} + +void _CONF_free_data(CONF *conf) +{ + if (conf == NULL || conf->data == NULL) + return; + + lh_CONF_VALUE_down_load(conf->data) = 0; /* evil thing to make * sure the + * 'OPENSSL_free()' works as * + * expected */ + lh_CONF_VALUE_doall_arg(conf->data, + LHASH_DOALL_ARG_FN(value_free_hash), + LHASH_OF(CONF_VALUE), conf->data); + + /* + * We now have only 'section' entries in the hash table. Due to problems + * with + */ + + lh_CONF_VALUE_doall(conf->data, LHASH_DOALL_FN(value_free_stack)); + lh_CONF_VALUE_free(conf->data); +} + +static void value_free_hash_doall_arg(CONF_VALUE *a, + LHASH_OF(CONF_VALUE) *conf) +{ + if (a->name != NULL) + (void)lh_CONF_VALUE_delete(conf, a); +} + +static void value_free_stack_doall(CONF_VALUE *a) +{ + CONF_VALUE *vv; + STACK_OF(CONF_VALUE) *sk; + int i; + + if (a->name != NULL) + return; + + sk = (STACK_OF(CONF_VALUE) *)a->value; + for (i = sk_CONF_VALUE_num(sk) - 1; i >= 0; i--) { + vv = sk_CONF_VALUE_value(sk, i); + OPENSSL_free(vv->value); + OPENSSL_free(vv->name); + OPENSSL_free(vv); + } + if (sk != NULL) + sk_CONF_VALUE_free(sk); + OPENSSL_free(a->section); + OPENSSL_free(a); +} + +/* Up until OpenSSL 0.9.5a, this was new_section */ +CONF_VALUE *_CONF_new_section(CONF *conf, const char *section) +{ + STACK_OF(CONF_VALUE) *sk = NULL; + int ok = 0, i; + CONF_VALUE *v = NULL, *vv; + + if ((sk = sk_CONF_VALUE_new_null()) == NULL) + goto err; + if ((v = OPENSSL_malloc(sizeof(CONF_VALUE))) == NULL) + goto err; + i = strlen(section) + 1; + if ((v->section = OPENSSL_malloc(i)) == NULL) + goto err; + + memcpy(v->section, section, i); + v->name = NULL; + v->value = (char *)sk; + + vv = lh_CONF_VALUE_insert(conf->data, v); + OPENSSL_assert(vv == NULL); + ok = 1; + err: + if (!ok) { + if (sk != NULL) + sk_CONF_VALUE_free(sk); + if (v != NULL) + OPENSSL_free(v); + v = NULL; + } + return (v); +} + +IMPLEMENT_STACK_OF(CONF_VALUE) |