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https://github.com/openssl/openssl.git
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127 lines
4.3 KiB
C
127 lines
4.3 KiB
C
/*
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* Copyright 2022-2023 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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#include <openssl/bio.h>
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#include "testutil.h"
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#ifndef OPENSSL_NO_DGRAM
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static int test_dgram(void)
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{
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BIO *bio = BIO_new(BIO_s_dgram_mem()), *rbio = NULL;
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int testresult = 0;
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const char msg1[] = "12345656";
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const char msg2[] = "abcdefghijklmno";
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const char msg3[] = "ABCDEF";
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const char msg4[] = "FEDCBA";
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char buf[80];
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if (!TEST_ptr(bio))
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goto err;
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rbio = BIO_new_mem_buf(msg1, sizeof(msg1));
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if (!TEST_ptr(rbio))
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goto err;
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/* Setting the EOF return value on a non datagram mem BIO should be fine */
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if (!TEST_int_gt(BIO_set_mem_eof_return(rbio, 0), 0))
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goto err;
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/* Setting the EOF return value on a datagram mem BIO should fail */
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if (!TEST_int_le(BIO_set_mem_eof_return(bio, 0), 0))
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goto err;
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/* Write 4 dgrams */
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if (!TEST_int_eq(BIO_write(bio, msg1, sizeof(msg1)), sizeof(msg1)))
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goto err;
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if (!TEST_int_eq(BIO_write(bio, msg2, sizeof(msg2)), sizeof(msg2)))
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goto err;
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if (!TEST_int_eq(BIO_write(bio, msg3, sizeof(msg3)), sizeof(msg3)))
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goto err;
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if (!TEST_int_eq(BIO_write(bio, msg4, sizeof(msg4)), sizeof(msg4)))
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goto err;
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/* Reading all 4 dgrams out again should all be the correct size */
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if (!TEST_int_eq(BIO_read(bio, buf, sizeof(buf)), sizeof(msg1))
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|| !TEST_mem_eq(buf, sizeof(msg1), msg1, sizeof(msg1))
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|| !TEST_int_eq(BIO_read(bio, buf, sizeof(buf)), sizeof(msg2))
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|| !TEST_mem_eq(buf, sizeof(msg2), msg2, sizeof(msg2))
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|| !TEST_int_eq(BIO_read(bio, buf, sizeof(buf)), sizeof(msg3))
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|| !TEST_mem_eq(buf, sizeof(msg3), msg3, sizeof(msg3))
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|| !TEST_int_eq(BIO_read(bio, buf, sizeof(buf)), sizeof(msg4))
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|| !TEST_mem_eq(buf, sizeof(msg4), msg4, sizeof(msg4)))
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goto err;
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/* Interleaving writes and reads should be fine */
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if (!TEST_int_eq(BIO_write(bio, msg1, sizeof(msg1)), sizeof(msg1)))
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goto err;
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if (!TEST_int_eq(BIO_write(bio, msg2, sizeof(msg2)), sizeof(msg2)))
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goto err;
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if (!TEST_int_eq(BIO_read(bio, buf, sizeof(buf)), sizeof(msg1))
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|| !TEST_mem_eq(buf, sizeof(msg1), msg1, sizeof(msg1)))
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goto err;
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if (!TEST_int_eq(BIO_write(bio, msg3, sizeof(msg3)), sizeof(msg3)))
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goto err;
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if (!TEST_int_eq(BIO_read(bio, buf, sizeof(buf)), sizeof(msg2))
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|| !TEST_mem_eq(buf, sizeof(msg2), msg2, sizeof(msg2))
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|| !TEST_int_eq(BIO_read(bio, buf, sizeof(buf)), sizeof(msg3))
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|| !TEST_mem_eq(buf, sizeof(msg3), msg3, sizeof(msg3)))
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goto err;
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/*
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* Requesting less than the available data in a dgram should not impact the
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* next packet.
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*/
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if (!TEST_int_eq(BIO_write(bio, msg1, sizeof(msg1)), sizeof(msg1)))
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goto err;
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if (!TEST_int_eq(BIO_write(bio, msg2, sizeof(msg2)), sizeof(msg2)))
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goto err;
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if (!TEST_int_eq(BIO_read(bio, buf, /* Short buffer */ 2), 2)
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|| !TEST_mem_eq(buf, 2, msg1, 2))
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goto err;
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if (!TEST_int_eq(BIO_read(bio, buf, sizeof(buf)), sizeof(msg2))
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|| !TEST_mem_eq(buf, sizeof(msg2), msg2, sizeof(msg2)))
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goto err;
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/*
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* Writing a zero length datagram will return zero, but no datagrams will
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* be written. Attempting to read when there are no datagrams to read should
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* return a negative result, but not eof. Retry flags will be set.
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*/
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if (!TEST_int_eq(BIO_write(bio, NULL, 0), 0)
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|| !TEST_int_lt(BIO_read(bio, buf, sizeof(buf)), 0)
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|| !TEST_false(BIO_eof(bio))
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|| !TEST_true(BIO_should_retry(bio)))
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goto err;
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if (!TEST_int_eq(BIO_dgram_set_mtu(bio, 123456), 1)
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|| !TEST_int_eq(BIO_dgram_get_mtu(bio), 123456))
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goto err;
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testresult = 1;
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err:
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BIO_free(rbio);
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BIO_free(bio);
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return testresult;
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}
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#endif
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int setup_tests(void)
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{
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if (!test_skip_common_options()) {
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TEST_error("Error parsing test options\n");
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return 0;
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}
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#ifndef OPENSSL_NO_DGRAM
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ADD_TEST(test_dgram);
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#endif
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return 1;
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}
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