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Further fix in bio_dgram_test for BIO_s_dgram_mem()

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When setting an explicit buffer size using BIO_s_dgram_mem() make sure we
take into account the size of the header (which may be large on NonStop)

Reviewed-by: Tom Cosgrove <tom.cosgrove@arm.com>
Reviewed-by: Tomas Mraz <tomas@openssl.org>
Reviewed-by: Hugo Landau <hlandau@openssl.org>
Reviewed-by: Paul Dale <pauli@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/22058)
This commit is contained in:
Matt Caswell 2023-09-12 10:39:51 +01:00
parent 572f290c9c
commit 58165d8da4
1 changed files with 13 additions and 2 deletions
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15
test/bio_dgram_test.c
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@ -12,6 +12,7 @@
#include <openssl/rand.h>
#include "testutil.h"
#include "internal/sockets.h"
#include "internal/bio_addr.h"
#if !defined(OPENSSL_NO_DGRAM) && !defined(OPENSSL_NO_SOCK)
@ -519,14 +520,24 @@ static int test_bio_dgram_pair(int idx)
} else {
if (!TEST_ptr(bio1 = bio2 = BIO_new(BIO_s_dgram_mem())))
goto err;
if (idx == 1 && !TEST_true(BIO_set_write_buf_size(bio1, 20 * 1024)))
goto err;
}
mtu1 = BIO_dgram_get_mtu(bio1);
if (!TEST_int_ge(mtu1, 1280))
goto err;
if (idx == 1) {
size_t bufsz;
/*
* Assume the header contains 2 BIO_ADDR structures and a length. We
* set a buffer big enough for 9 full sized datagrams.
*/
bufsz = 9 * (mtu1 + (sizeof(BIO_ADDR) * 2) + sizeof(size_t));
if (!TEST_true(BIO_set_write_buf_size(bio1, bufsz)))
goto err;
}
mtu2 = BIO_dgram_get_mtu(bio2);
if (!TEST_int_ge(mtu2, 1280))
goto err;