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openssl/test/params_api_test.c

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/*
* Copyright 2019 The OpenSSL Project Authors. All Rights Reserved.
* Copyright (c) 2019, Oracle and/or its affiliates. All rights reserved.
*
* Licensed under the Apache License 2.0 (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
* in the file LICENSE in the source distribution or at
* https://www.openssl.org/source/license.html
*/
#include <string.h>
#include "testutil.h"
#include "internal/nelem.h"
#include "ossl_test_endian.h"
#include <openssl/params.h>
#include <openssl/bn.h>
/* The maximum size of the static buffers used to test most things */
#define MAX_LEN 20
static void swap_copy(unsigned char *out, const void *in, size_t len)
{
size_t j;
for (j = 0; j < len; j++)
out[j] = ((unsigned char *)in)[len - j - 1];
}
/*
* A memory copy that converts the native byte ordering either to or from
* little endian format.
*
* On a little endian machine copying either is just a memcpy(3), on a
* big endian machine copying from native to or from little endian involves
* byte reversal.
*/
static void le_copy(unsigned char *out, const void *in, size_t len)
{
DECLARE_IS_ENDIAN;
if (IS_LITTLE_ENDIAN)
memcpy(out, in, len);
else
swap_copy(out, in, len);
}
static const struct {
size_t len;
unsigned char value[MAX_LEN];
} raw_values[] = {
{ 4, { 0x38, 0x27, 0xbf, 0x3b } },
{ 4, { 0x9f, 0x26, 0x48, 0x22 } },
{ 8, { 0x59, 0xb2, 0x1a, 0xe9, 0x2a, 0xd8, 0x46, 0x40 } },
{ 8, { 0xb4, 0xae, 0xbd, 0xb4, 0xdd, 0x04, 0xb1, 0x4c } },
{ 16, { 0x61, 0xe8, 0x7e, 0x31, 0xe9, 0x33, 0x83, 0x3d,
0x87, 0x99, 0xc7, 0xd8, 0x5d, 0xa9, 0x8b, 0x42 } },
{ 16, { 0xee, 0x6e, 0x8b, 0xc3, 0xec, 0xcf, 0x37, 0xcc,
0x89, 0x67, 0xf2, 0x68, 0x33, 0xa0, 0x14, 0xb0 } },
};
static int test_param_type_extra(OSSL_PARAM *param, const unsigned char *cmp,
size_t width)
{
int32_t i32;
int64_t i64;
size_t s, sz;
unsigned char buf[MAX_LEN];
const int bit32 = param->data_size == sizeof(int32_t);
const int sizet = bit32 && sizeof(size_t) > sizeof(int32_t);
const int signd = param->data_type == OSSL_PARAM_INTEGER;
if (signd) {
if ((bit32 && !TEST_true(OSSL_PARAM_get_int32(param, &i32)))
|| !TEST_true(OSSL_PARAM_get_int64(param, &i64)))
return 0;
} else {
if ((bit32
&& !TEST_true(OSSL_PARAM_get_uint32(param, (uint32_t *)&i32)))
|| !TEST_true(OSSL_PARAM_get_uint64(param, (uint64_t *)&i64))
|| (sizet && !TEST_true(OSSL_PARAM_get_size_t(param, &s))))
return 0;
}
/* Check signed types */
if (bit32) {
le_copy(buf, &i32, sizeof(i32));
sz = sizeof(i32) < width ? sizeof(i32) : width;
if (!TEST_mem_eq(buf, sz, cmp, sz))
return 0;
}
le_copy(buf, &i64, sizeof(i64));
sz = sizeof(i64) < width ? sizeof(i64) : width;
if (!TEST_mem_eq(buf, sz, cmp, sz))
return 0;
if (sizet && !signd) {
le_copy(buf, &s, sizeof(s));
sz = sizeof(s) < width ? sizeof(s) : width;
if (!TEST_mem_eq(buf, sz, cmp, sz))
return 0;
}
/* Check a widening write if possible */
if (sizeof(size_t) > width) {
if (signd) {
if (!TEST_true(OSSL_PARAM_set_int32(param, 12345))
|| !TEST_true(OSSL_PARAM_get_int64(param, &i64))
|| !TEST_size_t_eq((size_t)i64, 12345))
return 0;
} else {
if (!TEST_true(OSSL_PARAM_set_uint32(param, 12345))
|| !TEST_true(OSSL_PARAM_get_uint64(param, (uint64_t *)&i64))
|| !TEST_size_t_eq((size_t)i64, 12345))
return 0;
}
}
return 1;
}
/*
* The test cases for each of the bastic integral types are similar.
* For each type, a param of that type is set and an attempt to read it
* get is made. Finally, the above function is called to verify that
* the params can be read as other types.
*
* All the real work is done via byte buffers which are converted to machine
* byte order and to little endian for comparisons. Narrower values are best
* compared using little endian because their values and positions don't
* change.
*/
static int test_param_int(int n)
{
int in, out;
unsigned char buf[MAX_LEN], cmp[sizeof(int)];
const size_t len = raw_values[n].len >= sizeof(int) ?
sizeof(int) : raw_values[n].len;
OSSL_PARAM param = OSSL_PARAM_int("a", NULL);
memset(buf, 0, sizeof(buf));
le_copy(buf, raw_values[n].value, sizeof(in));
memcpy(&in, buf, sizeof(in));
param.data = &out;
if (!TEST_true(OSSL_PARAM_set_int(&param, in)))
return 0;
le_copy(cmp, &out, sizeof(out));
if (!TEST_mem_eq(cmp, len, raw_values[n].value, len))
return 0;
in = 0;
if (!TEST_true(OSSL_PARAM_get_int(&param, &in)))
return 0;
le_copy(cmp, &in, sizeof(in));
if (!TEST_mem_eq(cmp, sizeof(in), raw_values[n].value, sizeof(in)))
return 0;
param.data = &out;
return test_param_type_extra(&param, raw_values[n].value, sizeof(int));
}
static int test_param_long(int n)
{
long int in, out;
unsigned char buf[MAX_LEN], cmp[sizeof(long int)];
const size_t len = raw_values[n].len >= sizeof(long int)
? sizeof(long int) : raw_values[n].len;
OSSL_PARAM param = OSSL_PARAM_long("a", NULL);
memset(buf, 0, sizeof(buf));
le_copy(buf, raw_values[n].value, sizeof(in));
memcpy(&in, buf, sizeof(in));
param.data = &out;
if (!TEST_true(OSSL_PARAM_set_long(&param, in)))
return 0;
le_copy(cmp, &out, sizeof(out));
if (!TEST_mem_eq(cmp, len, raw_values[n].value, len))
return 0;
in = 0;
if (!TEST_true(OSSL_PARAM_get_long(&param, &in)))
return 0;
le_copy(cmp, &in, sizeof(in));
if (!TEST_mem_eq(cmp, sizeof(in), raw_values[n].value, sizeof(in)))
return 0;
param.data = &out;
return test_param_type_extra(&param, raw_values[n].value, sizeof(long int));
}
static int test_param_uint(int n)
{
unsigned int in, out;
unsigned char buf[MAX_LEN], cmp[sizeof(unsigned int)];
const size_t len = raw_values[n].len >= sizeof(unsigned int) ? sizeof(unsigned int) : raw_values[n].len;
OSSL_PARAM param = OSSL_PARAM_uint("a", NULL);
memset(buf, 0, sizeof(buf));
le_copy(buf, raw_values[n].value, sizeof(in));
memcpy(&in, buf, sizeof(in));
param.data = &out;
if (!TEST_true(OSSL_PARAM_set_uint(&param, in)))
return 0;
le_copy(cmp, &out, sizeof(out));
if (!TEST_mem_eq(cmp, len, raw_values[n].value, len))
return 0;
in = 0;
if (!TEST_true(OSSL_PARAM_get_uint(&param, &in)))
return 0;
le_copy(cmp, &in, sizeof(in));
if (!TEST_mem_eq(cmp, sizeof(in), raw_values[n].value, sizeof(in)))
return 0;
param.data = &out;
return test_param_type_extra(&param, raw_values[n].value, sizeof(unsigned int));
}
static int test_param_ulong(int n)
{
unsigned long int in, out;
unsigned char buf[MAX_LEN], cmp[sizeof(unsigned long int)];
const size_t len = raw_values[n].len >= sizeof(unsigned long int)
? sizeof(unsigned long int) : raw_values[n].len;
OSSL_PARAM param = OSSL_PARAM_ulong("a", NULL);
memset(buf, 0, sizeof(buf));
le_copy(buf, raw_values[n].value, sizeof(in));
memcpy(&in, buf, sizeof(in));
param.data = &out;
if (!TEST_true(OSSL_PARAM_set_ulong(&param, in)))
return 0;
le_copy(cmp, &out, sizeof(out));
if (!TEST_mem_eq(cmp, len, raw_values[n].value, len))
return 0;
in = 0;
if (!TEST_true(OSSL_PARAM_get_ulong(&param, &in)))
return 0;
le_copy(cmp, &in, sizeof(in));
if (!TEST_mem_eq(cmp, sizeof(in), raw_values[n].value, sizeof(in)))
return 0;
param.data = &out;
return test_param_type_extra(&param, raw_values[n].value, sizeof(unsigned long int));
}
static int test_param_int32(int n)
{
int32_t in, out;
unsigned char buf[MAX_LEN], cmp[sizeof(int32_t)];
const size_t len = raw_values[n].len >= sizeof(int32_t)
? sizeof(int32_t) : raw_values[n].len;
OSSL_PARAM param = OSSL_PARAM_int32("a", NULL);
memset(buf, 0, sizeof(buf));
le_copy(buf, raw_values[n].value, sizeof(in));
memcpy(&in, buf, sizeof(in));
param.data = &out;
if (!TEST_true(OSSL_PARAM_set_int32(&param, in)))
return 0;
le_copy(cmp, &out, sizeof(out));
if (!TEST_mem_eq(cmp, len, raw_values[n].value, len))
return 0;
in = 0;
if (!TEST_true(OSSL_PARAM_get_int32(&param, &in)))
return 0;
le_copy(cmp, &in, sizeof(in));
if (!TEST_mem_eq(cmp, sizeof(in), raw_values[n].value, sizeof(in)))
return 0;
param.data = &out;
return test_param_type_extra(&param, raw_values[n].value, sizeof(int32_t));
}
static int test_param_uint32(int n)
{
uint32_t in, out;
unsigned char buf[MAX_LEN], cmp[sizeof(uint32_t)];
const size_t len = raw_values[n].len >= sizeof(uint32_t)
? sizeof(uint32_t) : raw_values[n].len;
OSSL_PARAM param = OSSL_PARAM_uint32("a", NULL);
memset(buf, 0, sizeof(buf));
le_copy(buf, raw_values[n].value, sizeof(in));
memcpy(&in, buf, sizeof(in));
param.data = &out;
if (!TEST_true(OSSL_PARAM_set_uint32(&param, in)))
return 0;
le_copy(cmp, &out, sizeof(out));
if (!TEST_mem_eq(cmp, len, raw_values[n].value, len))
return 0;
in = 0;
if (!TEST_true(OSSL_PARAM_get_uint32(&param, &in)))
return 0;
le_copy(cmp, &in, sizeof(in));
if (!TEST_mem_eq(cmp, sizeof(in), raw_values[n].value, sizeof(in)))
return 0;
param.data = &out;
return test_param_type_extra(&param, raw_values[n].value, sizeof(uint32_t));
}
static int test_param_int64(int n)
{
int64_t in, out;
unsigned char buf[MAX_LEN], cmp[sizeof(int64_t)];
const size_t len = raw_values[n].len >= sizeof(int64_t)
? sizeof(int64_t) : raw_values[n].len;
OSSL_PARAM param = OSSL_PARAM_int64("a", NULL);
memset(buf, 0, sizeof(buf));
le_copy(buf, raw_values[n].value, sizeof(in));
memcpy(&in, buf, sizeof(in));
param.data = &out;
if (!TEST_true(OSSL_PARAM_set_int64(&param, in)))
return 0;
le_copy(cmp, &out, sizeof(out));
if (!TEST_mem_eq(cmp, len, raw_values[n].value, len))
return 0;
in = 0;
if (!TEST_true(OSSL_PARAM_get_int64(&param, &in)))
return 0;
le_copy(cmp, &in, sizeof(in));
if (!TEST_mem_eq(cmp, sizeof(in), raw_values[n].value, sizeof(in)))
return 0;
param.data = &out;
return test_param_type_extra(&param, raw_values[n].value, sizeof(int64_t));
}
static int test_param_uint64(int n)
{
uint64_t in, out;
unsigned char buf[MAX_LEN], cmp[sizeof(uint64_t)];
const size_t len = raw_values[n].len >= sizeof(uint64_t)
? sizeof(uint64_t) : raw_values[n].len;
OSSL_PARAM param = OSSL_PARAM_uint64("a", NULL);
memset(buf, 0, sizeof(buf));
le_copy(buf, raw_values[n].value, sizeof(in));
memcpy(&in, buf, sizeof(in));
param.data = &out;
if (!TEST_true(OSSL_PARAM_set_uint64(&param, in)))
return 0;
le_copy(cmp, &out, sizeof(out));
if (!TEST_mem_eq(cmp, len, raw_values[n].value, len))
return 0;
in = 0;
if (!TEST_true(OSSL_PARAM_get_uint64(&param, &in)))
return 0;
le_copy(cmp, &in, sizeof(in));
if (!TEST_mem_eq(cmp, sizeof(in), raw_values[n].value, sizeof(in)))
return 0;
param.data = &out;
return test_param_type_extra(&param, raw_values[n].value, sizeof(uint64_t));
}
static int test_param_size_t(int n)
{
size_t in, out;
unsigned char buf[MAX_LEN], cmp[sizeof(size_t)];
const size_t len = raw_values[n].len >= sizeof(size_t)
? sizeof(size_t) : raw_values[n].len;
OSSL_PARAM param = OSSL_PARAM_size_t("a", NULL);
memset(buf, 0, sizeof(buf));
le_copy(buf, raw_values[n].value, sizeof(in));
memcpy(&in, buf, sizeof(in));
param.data = &out;
if (!TEST_true(OSSL_PARAM_set_size_t(&param, in)))
return 0;
le_copy(cmp, &out, sizeof(out));
if (!TEST_mem_eq(cmp, len, raw_values[n].value, len))
return 0;
in = 0;
if (!TEST_true(OSSL_PARAM_get_size_t(&param, &in)))
return 0;
le_copy(cmp, &in, sizeof(in));
if (!TEST_mem_eq(cmp, sizeof(in), raw_values[n].value, sizeof(in)))
return 0;
param.data = &out;
return test_param_type_extra(&param, raw_values[n].value, sizeof(size_t));
}
static int test_param_bignum(int n)
{
unsigned char buf[MAX_LEN], bnbuf[MAX_LEN];
const size_t len = raw_values[n].len;
BIGNUM *b = NULL, *c = NULL;
OSSL_PARAM param = OSSL_PARAM_DEFN("bn", OSSL_PARAM_UNSIGNED_INTEGER,
NULL, 0);
int ret = 0;
param.data = bnbuf;
param.data_size = len;
le_copy(buf, raw_values[n].value, len);
if (!TEST_ptr(b = BN_lebin2bn(raw_values[n].value, (int)len, NULL)))
goto err;
if (!TEST_true(OSSL_PARAM_set_BN(&param, b))
|| !TEST_mem_eq(bnbuf, param.return_size, buf, param.return_size))
goto err;
param.data_size = param.return_size;
if (!TEST_true(OSSL_PARAM_get_BN(&param, &c))
|| !TEST_BN_eq(b, c))
goto err;
ret = 1;
err:
BN_free(b);
BN_free(c);
return ret;
}
static int test_param_real(void)
{
double p;
OSSL_PARAM param = OSSL_PARAM_double("r", NULL);
param.data = &p;
return TEST_true(OSSL_PARAM_set_double(&param, 3.14159))
&& TEST_double_eq(p, 3.14159);
}
static int test_param_construct(void)
{
static const char *int_names[] = {
"int", "long", "int32", "int64"
};
static const char *uint_names[] = {
"uint", "ulong", "uint32", "uint64", "size_t"
};
static const unsigned char bn_val[16] = {
0xac, 0x75, 0x22, 0x7d, 0x81, 0x06, 0x7a, 0x23,
0xa6, 0xed, 0x87, 0xc7, 0xab, 0xf4, 0x73, 0x22
};
OSSL_PARAM params[20];
char buf[100], buf2[100], *bufp, *bufp2;
unsigned char ubuf[100];
void *vp, *vpn = NULL, *vp2;
OSSL_PARAM *cp;
int i, n = 0, ret = 0;
unsigned int u;
long int l;
unsigned long int ul;
int32_t i32;
uint32_t u32;
int64_t i64;
uint64_t u64;
size_t j, k, s;
double d, d2;
BIGNUM *bn = NULL, *bn2 = NULL;
params[n++] = OSSL_PARAM_construct_int("int", &i);
params[n++] = OSSL_PARAM_construct_uint("uint", &u);
params[n++] = OSSL_PARAM_construct_long("long", &l);
params[n++] = OSSL_PARAM_construct_ulong("ulong", &ul);
params[n++] = OSSL_PARAM_construct_int32("int32", &i32);
params[n++] = OSSL_PARAM_construct_int64("int64", &i64);
params[n++] = OSSL_PARAM_construct_uint32("uint32", &u32);
params[n++] = OSSL_PARAM_construct_uint64("uint64", &u64);
params[n++] = OSSL_PARAM_construct_size_t("size_t", &s);
params[n++] = OSSL_PARAM_construct_double("double", &d);
params[n++] = OSSL_PARAM_construct_BN("bignum", ubuf, sizeof(ubuf));
params[n++] = OSSL_PARAM_construct_utf8_string("utf8str", buf, sizeof(buf));
params[n++] = OSSL_PARAM_construct_octet_string("octstr", buf, sizeof(buf));
params[n++] = OSSL_PARAM_construct_utf8_ptr("utf8ptr", &bufp, 0);
params[n++] = OSSL_PARAM_construct_octet_ptr("octptr", &vp, 0);
params[n] = OSSL_PARAM_construct_end();
/* Search failure */
if (!TEST_ptr_null(OSSL_PARAM_locate(params, "fnord")))
goto err;
/* All signed integral types */
for (j = 0; j < OSSL_NELEM(int_names); j++) {
if (!TEST_ptr(cp = OSSL_PARAM_locate(params, int_names[j]))
|| !TEST_true(OSSL_PARAM_set_int32(cp, (int32_t)(3 + j)))
|| !TEST_true(OSSL_PARAM_get_int64(cp, &i64))
|| !TEST_size_t_eq(cp->data_size, cp->return_size)
|| !TEST_size_t_eq((size_t)i64, 3 + j)) {
TEST_note("iteration %zu var %s", j + 1, int_names[j]);
goto err;
}
}
/* All unsigned integral types */
for (j = 0; j < OSSL_NELEM(uint_names); j++) {
if (!TEST_ptr(cp = OSSL_PARAM_locate(params, uint_names[j]))
|| !TEST_true(OSSL_PARAM_set_uint32(cp, (uint32_t)(3 + j)))
|| !TEST_true(OSSL_PARAM_get_uint64(cp, &u64))
|| !TEST_size_t_eq(cp->data_size, cp->return_size)
|| !TEST_size_t_eq((size_t)u64, 3 + j)) {
TEST_note("iteration %zu var %s", j + 1, uint_names[j]);
goto err;
}
}
/* Real */
if (!TEST_ptr(cp = OSSL_PARAM_locate(params, "double"))
|| !TEST_true(OSSL_PARAM_set_double(cp, 3.14))
|| !TEST_true(OSSL_PARAM_get_double(cp, &d2))
|| !TEST_size_t_eq(cp->return_size, sizeof(double))
|| !TEST_double_eq(d, d2))
goto err;
/* UTF8 string */
bufp = NULL;
if (!TEST_ptr(cp = OSSL_PARAM_locate(params, "utf8str"))
|| !TEST_true(OSSL_PARAM_set_utf8_string(cp, "abcdef"))
|| !TEST_size_t_eq(cp->return_size, sizeof("abcdef"))
|| !TEST_true(OSSL_PARAM_get_utf8_string(cp, &bufp, 0))
|| !TEST_str_eq(bufp, "abcdef"))
goto err;
OPENSSL_free(bufp);
bufp = buf2;
if (!TEST_true(OSSL_PARAM_get_utf8_string(cp, &bufp, sizeof(buf2)))
|| !TEST_str_eq(buf2, "abcdef"))
goto err;
/* UTF8 pointer */
bufp = buf;
if (!TEST_ptr(cp = OSSL_PARAM_locate(params, "utf8ptr"))
|| !TEST_true(OSSL_PARAM_set_utf8_ptr(cp, "tuvwxyz"))
|| !TEST_size_t_eq(cp->return_size, sizeof("tuvwxyz"))
|| !TEST_str_eq(bufp, "tuvwxyz")
|| !TEST_true(OSSL_PARAM_get_utf8_ptr(cp, (const char **)&bufp2))
|| !TEST_ptr_eq(bufp2, bufp))
goto err;
/* OCTET string */
if (!TEST_ptr(cp = OSSL_PARAM_locate(params, "octstr"))
|| !TEST_true(OSSL_PARAM_set_octet_string(cp, "abcdefghi",
sizeof("abcdefghi")))
|| !TEST_size_t_eq(cp->return_size, sizeof("abcdefghi")))
goto err;
/* Match the return size to avoid trailing garbage bytes */
cp->data_size = cp->return_size;
if (!TEST_true(OSSL_PARAM_get_octet_string(cp, &vpn, 0, &s))
|| !TEST_size_t_eq(s, sizeof("abcdefghi"))
|| !TEST_mem_eq(vpn, sizeof("abcdefghi"),
"abcdefghi", sizeof("abcdefghi")))
goto err;
vp = buf2;
if (!TEST_true(OSSL_PARAM_get_octet_string(cp, &vp, sizeof(buf2), &s))
|| !TEST_size_t_eq(s, sizeof("abcdefghi"))
|| !TEST_mem_eq(vp, sizeof("abcdefghi"),
"abcdefghi", sizeof("abcdefghi")))
goto err;
/* OCTET pointer */
vp = &l;
if (!TEST_ptr(cp = OSSL_PARAM_locate(params, "octptr"))
|| !TEST_true(OSSL_PARAM_set_octet_ptr(cp, &ul, sizeof(ul)))
|| !TEST_size_t_eq(cp->return_size, sizeof(ul))
|| !TEST_ptr_eq(vp, &ul))
goto err;
/* Match the return size to avoid trailing garbage bytes */
cp->data_size = cp->return_size;
if (!TEST_true(OSSL_PARAM_get_octet_ptr(cp, (const void **)&vp2, &k))
|| !TEST_size_t_eq(k, sizeof(ul))
|| !TEST_ptr_eq(vp2, vp))
goto err;
/* BIGNUM */
if (!TEST_ptr(cp = OSSL_PARAM_locate(params, "bignum"))
|| !TEST_ptr(bn = BN_lebin2bn(bn_val, (int)sizeof(bn_val), NULL))
|| !TEST_true(OSSL_PARAM_set_BN(cp, bn))
|| !TEST_size_t_eq(cp->return_size, sizeof(bn_val)))
goto err;
/* Match the return size to avoid trailing garbage bytes */
cp->data_size = cp->return_size;
if(!TEST_true(OSSL_PARAM_get_BN(cp, &bn2))
|| !TEST_BN_eq(bn, bn2))
goto err;
ret = 1;
err:
OPENSSL_free(vpn);
BN_free(bn);
BN_free(bn2);
return ret;
}
int setup_tests(void)
{
ADD_ALL_TESTS(test_param_int, OSSL_NELEM(raw_values));
ADD_ALL_TESTS(test_param_long, OSSL_NELEM(raw_values));
ADD_ALL_TESTS(test_param_uint, OSSL_NELEM(raw_values));
ADD_ALL_TESTS(test_param_ulong, OSSL_NELEM(raw_values));
ADD_ALL_TESTS(test_param_int32, OSSL_NELEM(raw_values));
ADD_ALL_TESTS(test_param_uint32, OSSL_NELEM(raw_values));
ADD_ALL_TESTS(test_param_size_t, OSSL_NELEM(raw_values));
ADD_ALL_TESTS(test_param_int64, OSSL_NELEM(raw_values));
ADD_ALL_TESTS(test_param_uint64, OSSL_NELEM(raw_values));
ADD_ALL_TESTS(test_param_bignum, OSSL_NELEM(raw_values));
ADD_TEST(test_param_real);
ADD_TEST(test_param_construct);
return 1;
}
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