2022-05-09 21:24:33 +08:00
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/*
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* Copyright 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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#include <string.h>
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#include <openssl/bio.h>
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#include "testutil.h"
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#include "internal/sockets.h"
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#if !defined(OPENSSL_NO_DGRAM) && !defined(OPENSSL_NO_SOCK)
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static int compare_addr(const BIO_ADDR *a, const BIO_ADDR *b)
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{
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struct in_addr xa, xb;
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2022-09-09 14:24:48 +08:00
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#if OPENSSL_USE_IPV6
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2022-05-09 21:24:33 +08:00
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struct in6_addr xa6, xb6;
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#endif
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void *pa, *pb;
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size_t slen, tmplen;
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if (BIO_ADDR_family(a) != BIO_ADDR_family(b))
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return 0;
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if (BIO_ADDR_family(a) == AF_INET) {
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pa = &xa;
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pb = &xb;
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slen = sizeof(xa);
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}
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2022-09-09 14:24:48 +08:00
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#if OPENSSL_USE_IPV6
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2022-05-09 21:24:33 +08:00
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else if (BIO_ADDR_family(a) == AF_INET6) {
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pa = &xa6;
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pb = &xb6;
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slen = sizeof(xa6);
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}
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#endif
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else {
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return 0;
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}
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tmplen = slen;
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if (!TEST_int_eq(BIO_ADDR_rawaddress(a, pa, &tmplen), 1))
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return 0;
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tmplen = slen;
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if (!TEST_int_eq(BIO_ADDR_rawaddress(b, pb, &tmplen), 1))
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return 0;
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if (!TEST_mem_eq(pa, slen, pb, slen))
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return 0;
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if (!TEST_int_eq(BIO_ADDR_rawport(a), BIO_ADDR_rawport(b)))
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return 0;
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return 1;
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}
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static int do_sendmmsg(BIO *b, BIO_MSG *msg,
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size_t num_msg, uint64_t flags,
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size_t *num_processed)
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{
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size_t done;
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for (done = 0; done < num_msg; ) {
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if (!BIO_sendmmsg(b, msg + done, sizeof(BIO_MSG),
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num_msg - done, flags, num_processed))
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return 0;
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done += *num_processed;
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}
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*num_processed = done;
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return 1;
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}
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static int do_recvmmsg(BIO *b, BIO_MSG *msg,
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size_t num_msg, uint64_t flags,
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size_t *num_processed)
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{
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size_t done;
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for (done = 0; done < num_msg; ) {
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if (!BIO_recvmmsg(b, msg + done, sizeof(BIO_MSG),
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num_msg - done, flags, num_processed))
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return 0;
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done += *num_processed;
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}
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*num_processed = done;
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return 1;
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}
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static int test_bio_dgram_impl(int af, int use_local)
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{
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int testresult = 0;
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BIO *b1 = NULL, *b2 = NULL;
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int fd1 = -1, fd2 = -1;
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BIO_ADDR *addr1 = NULL, *addr2 = NULL, *addr3 = NULL, *addr4 = NULL,
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*addr5 = NULL, *addr6 = NULL;
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2022-09-07 14:41:05 +08:00
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struct in_addr ina;
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2022-09-09 14:24:48 +08:00
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#if OPENSSL_USE_IPV6
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2022-09-07 14:41:05 +08:00
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struct in6_addr ina6;
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2022-05-09 21:24:33 +08:00
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#endif
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void *pina;
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size_t inal, i;
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union BIO_sock_info_u info1 = {0}, info2 = {0};
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char rx_buf[128], rx_buf2[128];
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BIO_MSG tx_msg[128], rx_msg[128];
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char tx_buf[128];
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size_t num_processed = 0;
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if (af == AF_INET) {
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TEST_info("# Testing with AF_INET, local=%d\n", use_local);
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pina = &ina;
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inal = sizeof(ina);
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}
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2022-09-09 14:24:48 +08:00
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#if OPENSSL_USE_IPV6
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2022-05-09 21:24:33 +08:00
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else if (af == AF_INET6) {
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TEST_info("# Testing with AF_INET6, local=%d\n", use_local);
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pina = &ina6;
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inal = sizeof(ina6);
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}
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#endif
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else {
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goto err;
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}
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2022-09-07 14:41:05 +08:00
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memset(pina, 0, inal);
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ina.s_addr = htonl(0x7f000001UL);
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2022-09-09 14:24:48 +08:00
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#if OPENSSL_USE_IPV6
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2022-09-07 14:41:05 +08:00
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ina6.s6_addr[15] = 1;
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2022-09-09 14:24:48 +08:00
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#endif
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2022-09-07 14:41:05 +08:00
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2022-05-09 21:24:33 +08:00
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addr1 = BIO_ADDR_new();
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if (!TEST_ptr(addr1))
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goto err;
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addr2 = BIO_ADDR_new();
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if (!TEST_ptr(addr2))
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goto err;
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addr3 = BIO_ADDR_new();
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if (!TEST_ptr(addr3))
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goto err;
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addr4 = BIO_ADDR_new();
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if (!TEST_ptr(addr4))
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goto err;
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addr5 = BIO_ADDR_new();
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if (!TEST_ptr(addr5))
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goto err;
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addr6 = BIO_ADDR_new();
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if (!TEST_ptr(addr6))
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goto err;
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if (!TEST_int_eq(BIO_ADDR_rawmake(addr1, af, pina, inal, 0), 1))
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goto err;
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if (!TEST_int_eq(BIO_ADDR_rawmake(addr2, af, pina, inal, 0), 1))
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goto err;
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fd1 = BIO_socket(af, SOCK_DGRAM, IPPROTO_UDP, 0);
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if (!TEST_int_ge(fd1, 0))
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goto err;
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fd2 = BIO_socket(af, SOCK_DGRAM, IPPROTO_UDP, 0);
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if (!TEST_int_ge(fd2, 0))
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goto err;
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if (!TEST_int_gt(BIO_bind(fd1, addr1, 0), 0))
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goto err;
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if (!TEST_int_gt(BIO_bind(fd2, addr2, 0), 0))
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goto err;
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info1.addr = addr1;
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if (!TEST_int_gt(BIO_sock_info(fd1, BIO_SOCK_INFO_ADDRESS, &info1), 0))
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goto err;
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info2.addr = addr2;
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if (!TEST_int_gt(BIO_sock_info(fd2, BIO_SOCK_INFO_ADDRESS, &info2), 0))
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goto err;
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if (!TEST_int_gt(BIO_ADDR_rawport(addr1), 0))
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goto err;
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if (!TEST_int_gt(BIO_ADDR_rawport(addr2), 0))
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goto err;
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b1 = BIO_new_dgram(fd1, 0);
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if (!TEST_ptr(b1))
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goto err;
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b2 = BIO_new_dgram(fd2, 0);
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if (!TEST_ptr(b2))
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goto err;
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if (!TEST_int_gt(BIO_dgram_set_peer(b1, addr2), 0))
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goto err;
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if (!TEST_int_gt(BIO_write(b1, "hello", 5), 0))
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goto err;
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/* Receiving automatically sets peer as source addr */
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if (!TEST_int_eq(BIO_read(b2, rx_buf, sizeof(rx_buf)), 5))
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goto err;
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if (!TEST_mem_eq(rx_buf, 5, "hello", 5))
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goto err;
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if (!TEST_int_gt(BIO_dgram_get_peer(b2, addr3), 0))
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goto err;
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if (!TEST_int_eq(compare_addr(addr3, addr1), 1))
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goto err;
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/* Clear peer */
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if (!TEST_int_gt(BIO_ADDR_rawmake(addr3, af, pina, inal, 0), 0))
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goto err;
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if (!TEST_int_gt(BIO_dgram_set_peer(b1, addr3), 0))
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goto err;
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if (!TEST_int_gt(BIO_dgram_set_peer(b2, addr3), 0))
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goto err;
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/* Now test using sendmmsg/recvmmsg with no peer set */
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tx_msg[0].data = "apple";
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tx_msg[0].data_len = 5;
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tx_msg[0].peer = NULL;
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tx_msg[0].local = NULL;
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tx_msg[0].flags = 0;
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tx_msg[1].data = "orange";
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tx_msg[1].data_len = 6;
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tx_msg[1].peer = NULL;
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tx_msg[1].local = NULL;
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tx_msg[1].flags = 0;
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/* First effort should fail due to missing destination address */
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if (!TEST_false(do_sendmmsg(b1, tx_msg, 2, 0, &num_processed))
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|| !TEST_size_t_eq(num_processed, 0))
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goto err;
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/*
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* Second effort should fail due to local being requested
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* when not enabled
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*/
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tx_msg[0].peer = addr2;
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tx_msg[0].local = addr1;
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tx_msg[1].peer = addr2;
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tx_msg[1].local = addr1;
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if (!TEST_false(do_sendmmsg(b1, tx_msg, 2, 0, &num_processed)
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|| !TEST_size_t_eq(num_processed, 0)))
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goto err;
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/* Enable local if we are using it */
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if (BIO_dgram_get_local_addr_cap(b1) > 0 && use_local) {
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if (!TEST_int_eq(BIO_dgram_set_local_addr_enable(b1, 1), 1))
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goto err;
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} else {
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tx_msg[0].local = NULL;
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tx_msg[1].local = NULL;
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use_local = 0;
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}
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/* Third effort should succeed */
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if (!TEST_true(do_sendmmsg(b1, tx_msg, 2, 0, &num_processed))
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|| !TEST_size_t_eq(num_processed, 2))
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goto err;
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/* Now try receiving */
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rx_msg[0].data = rx_buf;
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rx_msg[0].data_len = sizeof(rx_buf);
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rx_msg[0].peer = addr3;
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rx_msg[0].local = addr4;
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rx_msg[0].flags = (1UL<<31); /* undefined flag, should be erased */
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memset(rx_buf, 0, sizeof(rx_buf));
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rx_msg[1].data = rx_buf2;
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rx_msg[1].data_len = sizeof(rx_buf2);
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rx_msg[1].peer = addr5;
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rx_msg[1].local = addr6;
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rx_msg[1].flags = (1UL<<31); /* undefined flag, should be erased */
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memset(rx_buf2, 0, sizeof(rx_buf2));
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/*
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* Should fail at first due to local being requested when not
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* enabled
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*/
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if (!TEST_false(do_recvmmsg(b2, rx_msg, 2, 0, &num_processed))
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|| !TEST_size_t_eq(num_processed, 0))
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goto err;
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/* Fields have not been modified */
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if (!TEST_int_eq((int)rx_msg[0].data_len, sizeof(rx_buf)))
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goto err;
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if (!TEST_int_eq((int)rx_msg[1].data_len, sizeof(rx_buf2)))
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goto err;
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if (!TEST_ulong_eq((unsigned long)rx_msg[0].flags, 1UL<<31))
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goto err;
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if (!TEST_ulong_eq((unsigned long)rx_msg[1].flags, 1UL<<31))
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goto err;
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/* Enable local if we are using it */
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if (BIO_dgram_get_local_addr_cap(b2) > 0 && use_local) {
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if (!TEST_int_eq(BIO_dgram_set_local_addr_enable(b2, 1), 1))
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goto err;
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} else {
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rx_msg[0].local = NULL;
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rx_msg[1].local = NULL;
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use_local = 0;
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}
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/* Do the receive. */
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if (!TEST_true(do_recvmmsg(b2, rx_msg, 2, 0, &num_processed))
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|| !TEST_size_t_eq(num_processed, 2))
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goto err;
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/* data_len should have been updated correctly */
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if (!TEST_int_eq((int)rx_msg[0].data_len, 5))
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goto err;
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if (!TEST_int_eq((int)rx_msg[1].data_len, 6))
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goto err;
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/* flags should have been zeroed */
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if (!TEST_int_eq((int)rx_msg[0].flags, 0))
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goto err;
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if (!TEST_int_eq((int)rx_msg[1].flags, 0))
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goto err;
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/* peer address should match expected */
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if (!TEST_int_eq(compare_addr(addr3, addr1), 1))
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goto err;
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if (!TEST_int_eq(compare_addr(addr5, addr1), 1))
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goto err;
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/*
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* Do not test local address yet as some platforms do not reliably return
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* local addresses for messages queued for RX before local address support
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* was enabled. Instead, send some new messages and test they're received
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* with the correct local addresses.
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*/
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if (!TEST_true(do_sendmmsg(b1, tx_msg, 2, 0, &num_processed))
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|| !TEST_size_t_eq(num_processed, 2))
|
|
|
|
goto err;
|
|
|
|
|
|
|
|
/* Receive the messages. */
|
|
|
|
rx_msg[0].data_len = sizeof(rx_buf);
|
|
|
|
rx_msg[1].data_len = sizeof(rx_buf2);
|
|
|
|
|
|
|
|
if (!TEST_true(do_recvmmsg(b2, rx_msg, 2, 0, &num_processed))
|
|
|
|
|| !TEST_size_t_eq(num_processed, 2))
|
|
|
|
goto err;
|
|
|
|
|
|
|
|
if (rx_msg[0].local != NULL) {
|
|
|
|
/* If we are using local, it should match expected */
|
|
|
|
if (!TEST_int_eq(compare_addr(addr4, addr2), 1))
|
|
|
|
goto err;
|
|
|
|
|
|
|
|
if (!TEST_int_eq(compare_addr(addr6, addr2), 1))
|
|
|
|
goto err;
|
|
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Try sending more than can be handled in one sendmmsg call (when using the
|
|
|
|
* sendmmsg implementation)
|
|
|
|
*/
|
|
|
|
for (i = 0; i < OSSL_NELEM(tx_msg); ++i) {
|
|
|
|
tx_buf[i] = (char)i;
|
|
|
|
tx_msg[i].data = tx_buf + i;
|
|
|
|
tx_msg[i].data_len = 1;
|
|
|
|
tx_msg[i].peer = addr2;
|
|
|
|
tx_msg[i].local = use_local ? addr1 : NULL;
|
|
|
|
tx_msg[i].flags = 0;
|
|
|
|
}
|
|
|
|
if (!TEST_true(do_sendmmsg(b1, tx_msg, OSSL_NELEM(tx_msg), 0, &num_processed))
|
|
|
|
|| !TEST_size_t_eq(num_processed, OSSL_NELEM(tx_msg)))
|
|
|
|
goto err;
|
|
|
|
|
|
|
|
/*
|
|
|
|
* Try receiving more than can be handled in one recvmmsg call (when using
|
|
|
|
* the recvmmsg implementation)
|
|
|
|
*/
|
|
|
|
for (i = 0; i < OSSL_NELEM(rx_msg); ++i) {
|
|
|
|
rx_buf[i] = '\0';
|
|
|
|
rx_msg[i].data = rx_buf + i;
|
|
|
|
rx_msg[i].data_len = 1;
|
|
|
|
rx_msg[i].peer = NULL;
|
|
|
|
rx_msg[i].local = NULL;
|
|
|
|
rx_msg[i].flags = 0;
|
|
|
|
}
|
|
|
|
if (!TEST_true(do_recvmmsg(b2, rx_msg, OSSL_NELEM(rx_msg), 0, &num_processed))
|
|
|
|
|| !TEST_size_t_eq(num_processed, OSSL_NELEM(rx_msg)))
|
|
|
|
goto err;
|
|
|
|
|
|
|
|
if (!TEST_mem_eq(tx_buf, OSSL_NELEM(tx_msg), rx_buf, OSSL_NELEM(tx_msg)))
|
|
|
|
goto err;
|
|
|
|
|
|
|
|
testresult = 1;
|
|
|
|
err:
|
|
|
|
BIO_free(b1);
|
|
|
|
BIO_free(b2);
|
|
|
|
if (fd1 >= 0)
|
|
|
|
BIO_closesocket(fd1);
|
|
|
|
if (fd2 >= 0)
|
|
|
|
BIO_closesocket(fd2);
|
|
|
|
BIO_ADDR_free(addr1);
|
|
|
|
BIO_ADDR_free(addr2);
|
|
|
|
BIO_ADDR_free(addr3);
|
|
|
|
BIO_ADDR_free(addr4);
|
|
|
|
BIO_ADDR_free(addr5);
|
|
|
|
BIO_ADDR_free(addr6);
|
|
|
|
return testresult;
|
|
|
|
}
|
|
|
|
|
|
|
|
struct bio_dgram_case {
|
|
|
|
int af, local;
|
|
|
|
};
|
|
|
|
|
|
|
|
static const struct bio_dgram_case bio_dgram_cases[] = {
|
|
|
|
/* Test without local */
|
|
|
|
{ AF_INET, 0 },
|
2022-09-09 14:24:48 +08:00
|
|
|
#if OPENSSL_USE_IPV6
|
2022-05-09 21:24:33 +08:00
|
|
|
{ AF_INET6, 0 },
|
|
|
|
#endif
|
|
|
|
/* Test with local */
|
|
|
|
{ AF_INET, 1 },
|
2022-09-09 14:24:48 +08:00
|
|
|
#if OPENSSL_USE_IPV6
|
2022-05-09 21:24:33 +08:00
|
|
|
{ AF_INET6, 1 }
|
|
|
|
#endif
|
|
|
|
};
|
|
|
|
|
|
|
|
static int test_bio_dgram(int idx)
|
|
|
|
{
|
|
|
|
return test_bio_dgram_impl(bio_dgram_cases[idx].af,
|
|
|
|
bio_dgram_cases[idx].local);
|
|
|
|
}
|
|
|
|
|
|
|
|
#endif /* !defined(OPENSSL_NO_DGRAM) && !defined(OPENSSL_NO_SOCK) */
|
|
|
|
|
|
|
|
int setup_tests(void)
|
|
|
|
{
|
|
|
|
if (!test_skip_common_options()) {
|
|
|
|
TEST_error("Error parsing test options\n");
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
#if !defined(OPENSSL_NO_DGRAM) && !defined(OPENSSL_NO_SOCK)
|
|
|
|
ADD_ALL_TESTS(test_bio_dgram, OSSL_NELEM(bio_dgram_cases));
|
|
|
|
#endif
|
|
|
|
return 1;
|
|
|
|
}
|