Coverage Report

Created: 2023-06-08 06:40

/src/openssl111/crypto/conf/conf_api.c
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Count
Source (jump to first uncovered line)
1
/*
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 * Copyright 1995-2018 The OpenSSL Project Authors. All Rights Reserved.
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 *
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 * Licensed under the OpenSSL license (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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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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/* Up until OpenSSL 0.9.5a, this was get_section */
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CONF_VALUE *_CONF_get_section(const CONF *conf, const char *section)
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12.6k
{
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12.6k
    CONF_VALUE *v, vv;
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27
12.6k
    if ((conf == NULL) || (section == NULL))
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0
        return NULL;
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12.6k
    vv.name = NULL;
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12.6k
    vv.section = (char *)section;
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12.6k
    v = lh_CONF_VALUE_retrieve(conf->data, &vv);
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12.6k
    return v;
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12.6k
}
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/* Up until OpenSSL 0.9.5a, this was CONF_get_section */
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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 ((STACK_OF(CONF_VALUE) *)v->value);
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0
    else
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0
        return NULL;
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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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27.8k
{
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27.8k
    CONF_VALUE *v = NULL;
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27.8k
    STACK_OF(CONF_VALUE) *ts;
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27.8k
    ts = (STACK_OF(CONF_VALUE) *)section->value;
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27.8k
    value->section = section->section;
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27.8k
    if (!sk_CONF_VALUE_push(ts, value)) {
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0
        return 0;
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0
    }
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27.8k
    v = lh_CONF_VALUE_insert(conf->data, value);
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27.8k
    if (v != NULL) {
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5.51k
        (void)sk_CONF_VALUE_delete_ptr(ts, v);
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5.51k
        OPENSSL_free(v->name);
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5.51k
        OPENSSL_free(v->value);
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5.51k
        OPENSSL_free(v);
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5.51k
    }
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27.8k
    return 1;
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27.8k
}
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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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17.1k
{
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17.1k
    CONF_VALUE *v, vv;
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17.1k
    char *p;
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17.1k
    if (name == NULL)
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0
        return NULL;
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17.1k
    if (conf != NULL) {
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17.1k
        if (section != NULL) {
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17.1k
            vv.name = (char *)name;
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17.1k
            vv.section = (char *)section;
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17.1k
            v = lh_CONF_VALUE_retrieve(conf->data, &vv);
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17.1k
            if (v != NULL)
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14.0k
                return v->value;
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3.08k
            if (strcmp(section, "ENV") == 0) {
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544
                p = ossl_safe_getenv(name);
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544
                if (p != NULL)
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331
                    return p;
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544
            }
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3.08k
        }
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2.75k
        vv.section = "default";
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2.75k
        vv.name = (char *)name;
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2.75k
        v = lh_CONF_VALUE_retrieve(conf->data, &vv);
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2.75k
        if (v != NULL)
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2.58k
            return v->value;
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173
        else
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173
            return NULL;
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2.75k
    } else
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0
        return ossl_safe_getenv(name);
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17.1k
}
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static unsigned long conf_value_hash(const CONF_VALUE *v)
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96.6k
{
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96.6k
    return (OPENSSL_LH_strhash(v->section) << 2) ^ OPENSSL_LH_strhash(v->name);
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96.6k
}
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static int conf_value_cmp(const CONF_VALUE *a, const CONF_VALUE *b)
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86.6k
{
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86.6k
    int i;
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111
86.6k
    if (a->section != b->section) {
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35.6k
        i = strcmp(a->section, b->section);
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35.6k
        if (i)
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1.33k
            return i;
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35.6k
    }
116
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85.3k
    if ((a->name != NULL) && (b->name != NULL)) {
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45.1k
        i = strcmp(a->name, b->name);
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45.1k
        return i;
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45.1k
    } else if (a->name == b->name)
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1.21k
        return 0;
122
38.9k
    else
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38.9k
        return ((a->name == NULL) ? -1 : 1);
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85.3k
}
125
126
int _CONF_new_data(CONF *conf)
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2.49k
{
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2.49k
    if (conf == NULL) {
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0
        return 0;
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0
    }
131
2.49k
    if (conf->data == NULL) {
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2.49k
        conf->data = lh_CONF_VALUE_new(conf_value_hash, conf_value_cmp);
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2.49k
        if (conf->data == NULL)
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0
            return 0;
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2.49k
    }
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2.49k
    return 1;
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2.49k
}
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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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143
void _CONF_free_data(CONF *conf)
144
3.39k
{
145
3.39k
    if (conf == NULL || conf->data == NULL)
146
905
        return;
147
148
    /* evil thing to make sure the 'OPENSSL_free()' works as expected */
149
2.49k
    lh_CONF_VALUE_set_down_load(conf->data, 0);
150
2.49k
    lh_CONF_VALUE_doall_LH_CONF_VALUE(conf->data, value_free_hash, conf->data);
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152
    /*
153
     * We now have only 'section' entries in the hash table. Due to problems
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     * with
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     */
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157
2.49k
    lh_CONF_VALUE_doall(conf->data, value_free_stack_doall);
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2.49k
    lh_CONF_VALUE_free(conf->data);
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2.49k
}
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161
static void value_free_hash(const CONF_VALUE *a, LHASH_OF(CONF_VALUE) *conf)
162
36.2k
{
163
36.2k
    if (a->name != NULL)
164
22.3k
        (void)lh_CONF_VALUE_delete(conf, a);
165
36.2k
}
166
167
static void value_free_stack_doall(CONF_VALUE *a)
168
13.9k
{
169
13.9k
    CONF_VALUE *vv;
170
13.9k
    STACK_OF(CONF_VALUE) *sk;
171
13.9k
    int i;
172
173
13.9k
    if (a->name != NULL)
174
0
        return;
175
176
13.9k
    sk = (STACK_OF(CONF_VALUE) *)a->value;
177
36.2k
    for (i = sk_CONF_VALUE_num(sk) - 1; i >= 0; i--) {
178
22.3k
        vv = sk_CONF_VALUE_value(sk, i);
179
22.3k
        OPENSSL_free(vv->value);
180
22.3k
        OPENSSL_free(vv->name);
181
22.3k
        OPENSSL_free(vv);
182
22.3k
    }
183
13.9k
    sk_CONF_VALUE_free(sk);
184
13.9k
    OPENSSL_free(a->section);
185
13.9k
    OPENSSL_free(a);
186
13.9k
}
187
188
/* Up until OpenSSL 0.9.5a, this was new_section */
189
CONF_VALUE *_CONF_new_section(CONF *conf, const char *section)
190
13.9k
{
191
13.9k
    STACK_OF(CONF_VALUE) *sk = NULL;
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13.9k
    int i;
193
13.9k
    CONF_VALUE *v = NULL, *vv;
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195
13.9k
    if ((sk = sk_CONF_VALUE_new_null()) == NULL)
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0
        goto err;
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13.9k
    if ((v = OPENSSL_malloc(sizeof(*v))) == NULL)
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0
        goto err;
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13.9k
    i = strlen(section) + 1;
200
13.9k
    if ((v->section = OPENSSL_malloc(i)) == NULL)
201
0
        goto err;
202
203
13.9k
    memcpy(v->section, section, i);
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13.9k
    v->name = NULL;
205
13.9k
    v->value = (char *)sk;
206
207
13.9k
    vv = lh_CONF_VALUE_insert(conf->data, v);
208
13.9k
    if (vv != NULL || lh_CONF_VALUE_error(conf->data) > 0)
209
0
        goto err;
210
13.9k
    return v;
211
212
0
 err:
213
0
    sk_CONF_VALUE_free(sk);
214
0
    if (v != NULL)
215
0
        OPENSSL_free(v->section);
216
0
    OPENSSL_free(v);
217
0
    return NULL;
218
13.9k
}