133 lines
4.5 KiB
C
133 lines
4.5 KiB
C
/*
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* RFC 1521 base64 encoding/decoding
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*
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* Copyright (C) 2018, Nordic Semiconductor ASA
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* Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
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* SPDX-License-Identifier: Apache-2.0
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*
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* Licensed under the Apache License, Version 2.0 (the "License"); you may
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* not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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* Adapted for Zephyr by Carles Cufi (carles.cufi@nordicsemi.no)
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* - Removed mbedtls_ prefixes
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* - Reworked coding style
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*/
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#include <string.h>
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#include <stdbool.h>
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#include <zephyr/sys/base64.h>
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#include <zephyr/ztest.h>
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#include "../../../lib/os/base64.c"
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static const unsigned char base64_test_dec[64] = {
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0x24, 0x48, 0x6E, 0x56, 0x87, 0x62, 0x5A, 0xBD,
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0xBF, 0x17, 0xD9, 0xA2, 0xC4, 0x17, 0x1A, 0x01,
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0x94, 0xED, 0x8F, 0x1E, 0x11, 0xB3, 0xD7, 0x09,
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0x0C, 0xB6, 0xE9, 0x10, 0x6F, 0x22, 0xEE, 0x13,
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0xCA, 0xB3, 0x07, 0x05, 0x76, 0xC9, 0xFA, 0x31,
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0x6C, 0x08, 0x34, 0xFF, 0x8D, 0xC2, 0x6C, 0x38,
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0x00, 0x43, 0xE9, 0x54, 0x97, 0xAF, 0x50, 0x4B,
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0xD1, 0x41, 0xBA, 0x95, 0x31, 0x5A, 0x0B, 0x97
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};
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static const unsigned char base64_test_enc[] =
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"JEhuVodiWr2/F9mixBcaAZTtjx4Rs9cJDLbpEG8i7hPK"
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"swcFdsn6MWwINP+Nwmw4AEPpVJevUEvRQbqVMVoLlw==";
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static const unsigned char base64_test_enc2[] =
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"Jkwo048//dw 0sf356efdaKFLowLKAfJdw410Lw3PdKl"
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"swcFdsn6MWwINP+Nwmw4AEPpVJevUEvRQbqVMVoLlw==";
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static const unsigned char base64_test_enc3[] =
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"PsdA1lf04JJ3nc00A30F8ker09i0ldkw36bv=SDW2\r\nv"
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"swcFdsn6MWwINP+Nwmw4AEPpVJevUEvRQbqVMVoLlw==";
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static const unsigned char base64_test_enc4[] =
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"===uVodiWr2/F9mixBcaAZTtjx4Rs9cJDLbpEG8i7hPK"
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"swcFdsn6MWwINP+Nwmw4AEPpVJevUEvRQbqVMVoLlw==";
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static const unsigned char base64_test_enc5[] =
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"JEhuVodiWr2/F9mixBcaAZTtjx4Rs9cJDLbpEG8i\n\r\ni"
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"swcFdsn6MWwINP+Nwmw4AEPpVJevUEvRQbqVMVoLlw= ";
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ZTEST(lib_base64, test_base64_codec)
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{
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size_t len;
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int rc;
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const unsigned char *src;
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unsigned char buffer[128];
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int slen;
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int n;
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src = base64_test_dec;
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/* test base64_encode */
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rc = base64_encode(buffer, sizeof(buffer), &len, src, 64);
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zassert_equal(rc, 0, "Encode test return value");
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rc = memcmp(base64_test_enc, buffer, 88);
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zassert_equal(rc, 0, "Encode test comparison");
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src = base64_test_enc;
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/* test base64_decode */
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rc = base64_decode(buffer, sizeof(buffer), &len, src, 88);
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zassert_equal(rc, 0, "Decode test return value");
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rc = memcmp(base64_test_dec, buffer, 64);
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zassert_equal(rc, 0, "Decode test comparison");
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/* test error paths - encode */
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rc = base64_encode(buffer, sizeof(buffer), &len, src, 0);
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zassert_equal(rc, 0, "Error: slen: encode test return value");
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zassert_equal(len, 0, "Error: slen: length value");
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slen = ((-1 - 1) / 4) * 3 - 1;
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rc = base64_encode(buffer, sizeof(buffer), &len, src, slen);
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zassert_equal(rc, -ENOMEM, "Error: n: encode test return value");
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zassert_equal(len, -1, "Error: n: length value");
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slen = 100;
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n = slen / 3 + (slen % 3 != 0);
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n *= 4;
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rc = base64_encode(buffer, sizeof(buffer), &len, src, slen);
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zassert_equal(rc, -ENOMEM, "Error: dlen: encode test return value");
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zassert_equal(len, n + 1, "Error: dlen: length value");
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/* test error paths - decode */
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src = base64_test_enc2;
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rc = base64_decode(buffer, sizeof(buffer), &len, src, 88);
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zassert_equal(rc, -EINVAL, "Error: space: decode test return value");
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src = base64_test_enc3;
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rc = base64_decode(buffer, sizeof(buffer), &len, src, 88);
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zassert_equal(rc, -EINVAL, "Error: dec_map: decode test return value");
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src = base64_test_enc4;
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rc = base64_decode(buffer, sizeof(buffer), &len, src, 88);
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zassert_equal(rc, -EINVAL, "Error: equal: decode test return value");
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src = base64_test_enc5;
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rc = base64_decode(buffer, sizeof(buffer), &len, src, 88);
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zassert_equal(rc, 0, "return, newline: decode test return value");
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src = base64_test_enc;
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rc = base64_decode(buffer, sizeof(buffer), &len, src, 0);
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zassert_equal(rc, 0, "Error: n: decode test return value");
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zassert_equal(len, 0, "Error: n: length value");
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src = base64_test_enc;
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rc = base64_decode(NULL, -1, &len, src, 88);
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zassert_equal(rc, -ENOMEM, "Error: dst NULL: decode test return value");
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}
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ZTEST_SUITE(lib_base64, NULL, NULL, NULL, NULL, NULL);
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