| /* 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) |
