Coverage Report

Created: 2023-09-25 06:41

/src/openssl30/crypto/conf/conf_api.c
Line
Count
Source (jump to first uncovered line)
1
/*
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 * Copyright 1995-2021 The OpenSSL Project Authors. All Rights Reserved.
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 *
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 * Licensed under the Apache License 2.0 (the "License").  You may not use
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 * this file except in compliance with the License.  You can obtain a copy
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 * in the file LICENSE in the source distribution or at
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 * https://www.openssl.org/source/license.html
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 */
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10
/* Part of the code in here was originally in conf.c, which is now removed */
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#include "e_os.h"
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#include "internal/cryptlib.h"
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#include <stdlib.h>
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#include <string.h>
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#include <openssl/conf.h>
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#include <openssl/conf_api.h>
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#include "conf_local.h"
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static void value_free_hash(const CONF_VALUE *a, LHASH_OF(CONF_VALUE) *conf);
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static void value_free_stack_doall(CONF_VALUE *a);
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CONF_VALUE *_CONF_get_section(const CONF *conf, const char *section)
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13.7k
{
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13.7k
    CONF_VALUE vv;
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27
13.7k
    if (conf == NULL || section == NULL)
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0
        return NULL;
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13.7k
    vv.name = NULL;
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13.7k
    vv.section = (char *)section;
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13.7k
    return conf->data != NULL ? lh_CONF_VALUE_retrieve(conf->data, &vv) : NULL;
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13.7k
}
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STACK_OF(CONF_VALUE) *_CONF_get_section_values(const CONF *conf,
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                                               const char *section)
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0
{
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0
    CONF_VALUE *v;
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0
    v = _CONF_get_section(conf, section);
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0
    if (v == NULL)
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0
        return NULL;
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0
    return ((STACK_OF(CONF_VALUE) *)v->value);
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0
}
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int _CONF_add_string(CONF *conf, CONF_VALUE *section, CONF_VALUE *value)
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27.3k
{
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27.3k
    CONF_VALUE *v = NULL;
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27.3k
    STACK_OF(CONF_VALUE) *ts;
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27.3k
    ts = (STACK_OF(CONF_VALUE) *)section->value;
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27.3k
    value->section = section->section;
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27.3k
    if (!sk_CONF_VALUE_push(ts, value))
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0
        return 0;
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27.3k
    v = lh_CONF_VALUE_insert(conf->data, value);
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27.3k
    if (v != NULL) {
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7.25k
        (void)sk_CONF_VALUE_delete_ptr(ts, v);
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7.25k
        OPENSSL_free(v->name);
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7.25k
        OPENSSL_free(v->value);
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7.25k
        OPENSSL_free(v);
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7.25k
    }
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27.3k
    return 1;
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27.3k
}
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char *_CONF_get_string(const CONF *conf, const char *section,
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                       const char *name)
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9.87k
{
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9.87k
    CONF_VALUE *v, vv;
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9.87k
    char *p;
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9.87k
    if (name == NULL)
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0
        return NULL;
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9.87k
    if (conf == NULL)
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0
        return ossl_safe_getenv(name);
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9.87k
    if (conf->data == NULL)
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0
        return NULL;
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9.87k
    if (section != NULL) {
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9.87k
        vv.name = (char *)name;
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9.87k
        vv.section = (char *)section;
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9.87k
        v = lh_CONF_VALUE_retrieve(conf->data, &vv);
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9.87k
        if (v != NULL)
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6.19k
            return v->value;
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3.67k
        if (strcmp(section, "ENV") == 0) {
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896
            p = ossl_safe_getenv(name);
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896
            if (p != NULL)
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573
                return p;
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896
        }
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3.67k
    }
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3.10k
    vv.section = "default";
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3.10k
    vv.name = (char *)name;
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3.10k
    v = lh_CONF_VALUE_retrieve(conf->data, &vv);
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3.10k
    if (v == NULL)
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172
        return NULL;
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2.93k
    return v->value;
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3.10k
}
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static unsigned long conf_value_hash(const CONF_VALUE *v)
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88.1k
{
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88.1k
    return (OPENSSL_LH_strhash(v->section) << 2) ^ OPENSSL_LH_strhash(v->name);
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88.1k
}
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static int conf_value_cmp(const CONF_VALUE *a, const CONF_VALUE *b)
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73.9k
{
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73.9k
    int i;
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73.9k
    if (a->section != b->section) {
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23.4k
        i = strcmp(a->section, b->section);
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23.4k
        if (i != 0)
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1.29k
            return i;
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23.4k
    }
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113
72.6k
    if (a->name != NULL && b->name != NULL)
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37.0k
        return strcmp(a->name, b->name);
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35.5k
    if (a->name == b->name)
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2.76k
        return 0;
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32.7k
    return (a->name == NULL) ? -1 : 1;
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35.5k
}
119
120
int _CONF_new_data(CONF *conf)
121
3.13k
{
122
3.13k
    if (conf == NULL)
123
0
        return 0;
124
3.13k
    if (conf->data == NULL) {
125
3.13k
        conf->data = lh_CONF_VALUE_new(conf_value_hash, conf_value_cmp);
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3.13k
        if (conf->data == NULL)
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0
            return 0;
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3.13k
    }
129
3.13k
    return 1;
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3.13k
}
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typedef LHASH_OF(CONF_VALUE) LH_CONF_VALUE;
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IMPLEMENT_LHASH_DOALL_ARG_CONST(CONF_VALUE, LH_CONF_VALUE);
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136
void _CONF_free_data(CONF *conf)
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4.27k
{
138
4.27k
    if (conf == NULL)
139
0
        return;
140
141
4.27k
    OPENSSL_free(conf->includedir);
142
4.27k
    if (conf->data == NULL)
143
1.14k
        return;
144
145
    /* evil thing to make sure the 'OPENSSL_free()' works as expected */
146
3.13k
    lh_CONF_VALUE_set_down_load(conf->data, 0);
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3.13k
    lh_CONF_VALUE_doall_LH_CONF_VALUE(conf->data, value_free_hash, conf->data);
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149
    /*
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     * We now have only 'section' entries in the hash table. Due to problems
151
     * with
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     */
153
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3.13k
    lh_CONF_VALUE_doall(conf->data, value_free_stack_doall);
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3.13k
    lh_CONF_VALUE_free(conf->data);
156
3.13k
}
157
158
static void value_free_hash(const CONF_VALUE *a, LHASH_OF(CONF_VALUE) *conf)
159
34.1k
{
160
34.1k
    if (a->name != NULL)
161
20.0k
        (void)lh_CONF_VALUE_delete(conf, a);
162
34.1k
}
163
164
static void value_free_stack_doall(CONF_VALUE *a)
165
14.0k
{
166
14.0k
    CONF_VALUE *vv;
167
14.0k
    STACK_OF(CONF_VALUE) *sk;
168
14.0k
    int i;
169
170
14.0k
    if (a->name != NULL)
171
0
        return;
172
173
14.0k
    sk = (STACK_OF(CONF_VALUE) *)a->value;
174
34.1k
    for (i = sk_CONF_VALUE_num(sk) - 1; i >= 0; i--) {
175
20.0k
        vv = sk_CONF_VALUE_value(sk, i);
176
20.0k
        OPENSSL_free(vv->value);
177
20.0k
        OPENSSL_free(vv->name);
178
20.0k
        OPENSSL_free(vv);
179
20.0k
    }
180
14.0k
    sk_CONF_VALUE_free(sk);
181
14.0k
    OPENSSL_free(a->section);
182
14.0k
    OPENSSL_free(a);
183
14.0k
}
184
185
CONF_VALUE *_CONF_new_section(CONF *conf, const char *section)
186
14.0k
{
187
14.0k
    STACK_OF(CONF_VALUE) *sk = NULL;
188
14.0k
    int i;
189
14.0k
    CONF_VALUE *v = NULL, *vv;
190
191
14.0k
    if ((sk = sk_CONF_VALUE_new_null()) == NULL)
192
0
        goto err;
193
14.0k
    if ((v = OPENSSL_malloc(sizeof(*v))) == NULL)
194
0
        goto err;
195
14.0k
    i = strlen(section) + 1;
196
14.0k
    if ((v->section = OPENSSL_malloc(i)) == NULL)
197
0
        goto err;
198
199
14.0k
    memcpy(v->section, section, i);
200
14.0k
    v->name = NULL;
201
14.0k
    v->value = (char *)sk;
202
203
14.0k
    vv = lh_CONF_VALUE_insert(conf->data, v);
204
14.0k
    if (vv != NULL || lh_CONF_VALUE_error(conf->data) > 0)
205
0
        goto err;
206
14.0k
    return v;
207
208
0
 err:
209
0
    sk_CONF_VALUE_free(sk);
210
0
    if (v != NULL)
211
0
        OPENSSL_free(v->section);
212
0
    OPENSSL_free(v);
213
0
    return NULL;
214
14.0k
}