/*
- * Copyright 2021 The OpenSSL Project Authors. All Rights Reserved.
+ * Copyright 2022 The OpenSSL Project Authors. 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
#include <string.h>
#include <openssl/bio.h>
+#include <openssl/rand.h>
#include "testutil.h"
#include "internal/sockets.h"
bio_dgram_cases[idx].local);
}
+static int random_data(const uint32_t *key, uint8_t *data, size_t data_len, size_t offset)
+{
+ int ret = 0, outl;
+ EVP_CIPHER_CTX *ctx = NULL;
+ EVP_CIPHER *cipher = NULL;
+ static const uint8_t zeroes[2048];
+ uint32_t counter[4] = {0};
+
+ counter[0] = (uint32_t)offset;
+
+ ctx = EVP_CIPHER_CTX_new();
+ if (ctx == NULL)
+ goto err;
+
+ cipher = EVP_CIPHER_fetch(NULL, "ChaCha20", NULL);
+ if (cipher == NULL)
+ goto err;
+
+ if (EVP_EncryptInit_ex2(ctx, cipher, (uint8_t *)key, (uint8_t *)counter, NULL) == 0)
+ goto err;
+
+ while (data_len > 0) {
+ outl = data_len > sizeof(zeroes) ? (int)sizeof(zeroes) : (int)data_len;
+ if (EVP_EncryptUpdate(ctx, data, &outl, zeroes, outl) != 1)
+ goto err;
+
+ data += outl;
+ data_len -= outl;
+ }
+
+ ret = 1;
+err:
+ EVP_CIPHER_CTX_free(ctx);
+ EVP_CIPHER_free(cipher);
+ return ret;
+}
+
+static int test_bio_dgram_pair(void)
+{
+ int testresult = 0, blen, mtu1, mtu2, r;
+ BIO *bio1 = NULL, *bio2 = NULL;
+ uint8_t scratch[2048 + 4], scratch2[2048];
+ uint32_t key[8];
+ size_t i, num_dgram, num_processed = 0;
+ BIO_MSG msgs[2] = {0}, rmsgs[2] = {0};
+ BIO_ADDR *addr1 = NULL, *addr2 = NULL, *addr3 = NULL, *addr4 = NULL;
+ struct in_addr in_local;
+ size_t total = 0;
+ const uint32_t ref_caps = BIO_DGRAM_CAP_HANDLES_SRC_ADDR
+ | BIO_DGRAM_CAP_HANDLES_DST_ADDR
+ | BIO_DGRAM_CAP_PROVIDES_SRC_ADDR
+ | BIO_DGRAM_CAP_PROVIDES_DST_ADDR;
+
+ in_local.s_addr = ntohl(0x7f000001);
+
+ for (i = 0; i < OSSL_NELEM(key); ++i)
+ key[i] = test_random();
+
+ if (!TEST_int_eq(BIO_new_bio_dgram_pair(&bio1, 0, &bio2, 0), 1))
+ goto err;
+
+ mtu1 = BIO_dgram_get_mtu(bio1);
+ if (!TEST_int_ge(mtu1, 1280))
+ goto err;
+
+ mtu2 = BIO_dgram_get_mtu(bio2);
+ if (!TEST_int_ge(mtu2, 1280))
+ goto err;
+
+ if (!TEST_int_eq(mtu1, mtu2))
+ goto err;
+
+ if (!TEST_int_le(mtu1, sizeof(scratch) - 4))
+ goto err;
+
+ for (i = 0;; ++i) {
+ if (!TEST_int_eq(random_data(key, scratch, sizeof(scratch), i), 1))
+ goto err;
+
+ blen = (*(uint32_t*)scratch) % mtu1;
+ r = BIO_write(bio1, scratch + 4, blen);
+ if (r == -1)
+ break;
+
+ if (!TEST_int_eq(r, blen))
+ goto err;
+
+ total += blen;
+ if (!TEST_size_t_lt(total, 1 * 1024 * 1024))
+ goto err;
+ }
+
+ /*
+ * Should be able to fit at least 9 datagrams in default write buffer size
+ * in worst case
+ */
+ if (!TEST_int_ge(i, 9))
+ goto err;
+
+ /* Check we read back the same data */
+ num_dgram = i;
+ for (i = 0; i < num_dgram; ++i) {
+ if (!TEST_int_eq(random_data(key, scratch, sizeof(scratch), i), 1))
+ goto err;
+
+ blen = (*(uint32_t*)scratch) % mtu1;
+ r = BIO_read(bio2, scratch2, sizeof(scratch2));
+ if (!TEST_int_eq(r, blen))
+ goto err;
+
+ if (!TEST_mem_eq(scratch + 4, blen, scratch2, blen))
+ goto err;
+ }
+
+ /* Should now be out of data */
+ if (!TEST_int_eq(BIO_read(bio2, scratch2, sizeof(scratch2)), -1))
+ goto err;
+
+ /* sendmmsg/recvmmsg */
+ if (!TEST_int_eq(random_data(key, scratch, sizeof(scratch), 0), 1))
+ goto err;
+
+ msgs[0].data = scratch;
+ msgs[0].data_len = 19;
+ msgs[1].data = scratch + 19;
+ msgs[1].data_len = 46;
+
+ if (!TEST_true(BIO_sendmmsg(bio1, msgs, sizeof(BIO_MSG), OSSL_NELEM(msgs), 0,
+ &num_processed))
+ || !TEST_size_t_eq(num_processed, 2))
+ goto err;
+
+ rmsgs[0].data = scratch2;
+ rmsgs[0].data_len = 64;
+ rmsgs[1].data = scratch2 + 64;
+ rmsgs[1].data_len = 64;
+ if (!TEST_true(BIO_recvmmsg(bio2, rmsgs, sizeof(BIO_MSG), OSSL_NELEM(rmsgs), 0,
+ &num_processed))
+ || !TEST_size_t_eq(num_processed, 2))
+ goto err;
+
+ if (!TEST_mem_eq(rmsgs[0].data, rmsgs[0].data_len, scratch, 19))
+ goto err;
+
+ if (!TEST_mem_eq(rmsgs[1].data, rmsgs[1].data_len, scratch + 19, 46))
+ goto err;
+
+ /* sendmmsg/recvmmsg with peer */
+ addr1 = BIO_ADDR_new();
+ if (!TEST_ptr(addr1))
+ goto err;
+
+ if (!TEST_int_eq(BIO_ADDR_rawmake(addr1, AF_INET, &in_local,
+ sizeof(in_local), 1234), 1))
+ goto err;
+
+ addr2 = BIO_ADDR_new();
+ if (!TEST_ptr(addr2))
+ goto err;
+
+ if (!TEST_int_eq(BIO_ADDR_rawmake(addr2, AF_INET, &in_local,
+ sizeof(in_local), 2345), 1))
+ goto err;
+
+ addr3 = BIO_ADDR_new();
+ if (!TEST_ptr(addr3))
+ goto err;
+
+ addr4 = BIO_ADDR_new();
+ if (!TEST_ptr(addr4))
+ goto err;
+
+ msgs[0].peer = addr1;
+
+ /* fails due to lack of caps on peer */
+ if (!TEST_false(BIO_sendmmsg(bio1, msgs, sizeof(BIO_MSG), OSSL_NELEM(msgs),
+ 0, &num_processed))
+ || !TEST_size_t_eq(num_processed, 0))
+ goto err;
+
+ if (!TEST_int_eq(BIO_dgram_set_caps(bio2, ref_caps), 1))
+ goto err;
+
+ if (!TEST_int_eq(BIO_dgram_get_caps(bio2), ref_caps))
+ goto err;
+
+ if (!TEST_int_eq(BIO_dgram_get_effective_caps(bio1), ref_caps))
+ goto err;
+
+ if (!TEST_int_eq(BIO_dgram_get_effective_caps(bio2), 0))
+ goto err;
+
+ if (!TEST_int_eq(BIO_dgram_set_caps(bio1, ref_caps), 1))
+ goto err;
+
+ /* succeeds with cap now available */
+ if (!TEST_true(BIO_sendmmsg(bio1, msgs, sizeof(BIO_MSG), 1, 0, &num_processed))
+ || !TEST_size_t_eq(num_processed, 1))
+ goto err;
+
+ /* enable local addr support */
+ if (!TEST_int_eq(BIO_dgram_set_local_addr_enable(bio2, 1), 1))
+ goto err;
+
+ rmsgs[0].data = scratch2;
+ rmsgs[0].data_len = 64;
+ rmsgs[0].peer = addr3;
+ rmsgs[0].local = addr4;
+ if (!TEST_true(BIO_recvmmsg(bio2, rmsgs, sizeof(BIO_MSG), OSSL_NELEM(rmsgs), 0,
+ &num_processed))
+ || !TEST_size_t_eq(num_processed, 1))
+ goto err;
+
+ if (!TEST_mem_eq(rmsgs[0].data, rmsgs[0].data_len, msgs[0].data, 19))
+ goto err;
+
+ /* We didn't set the source address so this should be zero */
+ if (!TEST_int_eq(BIO_ADDR_family(addr3), 0))
+ goto err;
+
+ if (!TEST_int_eq(BIO_ADDR_family(addr4), AF_INET))
+ goto err;
+
+ if (!TEST_int_eq(BIO_ADDR_rawport(addr4), 1234))
+ goto err;
+
+ /* test source address */
+ msgs[0].local = addr2;
+
+ if (!TEST_int_eq(BIO_dgram_set_local_addr_enable(bio1, 1), 1))
+ goto err;
+
+ if (!TEST_true(BIO_sendmmsg(bio1, msgs, sizeof(BIO_MSG), 1, 0, &num_processed))
+ || !TEST_size_t_eq(num_processed, 1))
+ goto err;
+
+ rmsgs[0].data = scratch2;
+ rmsgs[0].data_len = 64;
+ if (!TEST_true(BIO_recvmmsg(bio2, rmsgs, sizeof(BIO_MSG), OSSL_NELEM(rmsgs), 0, &num_processed))
+ || !TEST_size_t_eq(num_processed, 1))
+ goto err;
+
+ if (!TEST_mem_eq(rmsgs[0].data, rmsgs[0].data_len,
+ msgs[0].data, msgs[0].data_len))
+ goto err;
+
+ if (!TEST_int_eq(BIO_ADDR_family(addr3), AF_INET))
+ goto err;
+
+ if (!TEST_int_eq(BIO_ADDR_rawport(addr3), 2345))
+ goto err;
+
+ if (!TEST_int_eq(BIO_ADDR_family(addr4), AF_INET))
+ goto err;
+
+ if (!TEST_int_eq(BIO_ADDR_rawport(addr4), 1234))
+ goto err;
+
+ /* test truncation, pending */
+ r = BIO_write(bio1, scratch, 64);
+ if (!TEST_int_eq(r, 64))
+ goto err;
+
+ memset(scratch2, 0, 64);
+ if (!TEST_int_eq(BIO_dgram_set_no_trunc(bio2, 1), 1))
+ goto err;
+
+ if (!TEST_int_eq(BIO_read(bio2, scratch2, 32), -1))
+ goto err;
+
+ if (!TEST_int_eq(BIO_pending(bio2), 64))
+ goto err;
+
+ if (!TEST_int_eq(BIO_dgram_set_no_trunc(bio2, 0), 1))
+ goto err;
+
+ if (!TEST_int_eq(BIO_read(bio2, scratch2, 32), 32))
+ goto err;
+
+ if (!TEST_mem_eq(scratch, 32, scratch2, 32))
+ goto err;
+
+ testresult = 1;
+err:
+ BIO_free(bio1);
+ BIO_free(bio2);
+ BIO_ADDR_free(addr1);
+ BIO_ADDR_free(addr2);
+ BIO_ADDR_free(addr3);
+ BIO_ADDR_free(addr4);
+ return testresult;
+}
+
#endif /* !defined(OPENSSL_NO_DGRAM) && !defined(OPENSSL_NO_SOCK) */
int setup_tests(void)
#if !defined(OPENSSL_NO_DGRAM) && !defined(OPENSSL_NO_SOCK)
ADD_ALL_TESTS(test_bio_dgram, OSSL_NELEM(bio_dgram_cases));
+ ADD_TEST(test_bio_dgram_pair);
#endif
+
return 1;
}
projects / thirdparty / openssl.git / blobdiff