+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Copyright (C) 2008 Sun Microsystems, Inc.
- *
- * This file is part of Quagga.
- *
- * Quagga is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2, or (at your option) any
- * later version.
- *
- * Quagga is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; see the file COPYING; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <zebra.h>
#include "checksum.h"
#include "network.h"
+#include "prng.h"
struct thread_master *master;
uint8_t buffer[BUFSIZE];
int exercise = 0;
#define EXERCISESTEP 257
- srandom(time(NULL));
+ struct prng *prng = prng_new(0);
while (1) {
uint16_t ospfd, isisd, lib, in_csum, in_csum_res, in_csum_rfc;
- int i, j;
+ int i;
exercise += EXERCISESTEP;
exercise %= MAXDATALEN;
- for (i = 0; i < exercise; i += sizeof(long int)) {
- long int rand = frr_weak_random();
+ printf("\rexercising length %d\033[K", exercise);
- for (j = sizeof(long int); j > 0; j--)
- buffer[i + (sizeof(long int) - j)] =
- (rand >> (j * 8)) & 0xff;
- }
+ for (i = 0; i < exercise; i++)
+ buffer[i] = prng_rand(prng);
in_csum = in_cksum(buffer, exercise);
in_csum_res = in_cksum_optimized(buffer, exercise);
in_csum_rfc = in_cksum_rfc(buffer, exercise);
if (in_csum_res != in_csum || in_csum != in_csum_rfc)
- printf("verify: in_chksum failed in_csum:%x, in_csum_res:%x,in_csum_rfc %x, len:%d\n",
+ printf("\nverify: in_chksum failed in_csum:%x, in_csum_res:%x,in_csum_rfc %x, len:%d\n",
in_csum, in_csum_res, in_csum_rfc, exercise);
+ struct iovec iov[3];
+ uint16_t in_csum_iov;
+
+ iov[0].iov_base = buffer;
+ iov[0].iov_len = exercise / 2;
+ iov[1].iov_base = buffer + iov[0].iov_len;
+ iov[1].iov_len = exercise - iov[0].iov_len;
+
+ in_csum_iov = in_cksumv(iov, 2);
+ if (in_csum_iov != in_csum)
+ printf("\nverify: in_cksumv failed, lens: %zu+%zu\n",
+ iov[0].iov_len, iov[1].iov_len);
+
+ if (exercise >= 6) {
+ /* force split with byte leftover */
+ iov[0].iov_base = buffer;
+ iov[0].iov_len = (exercise / 2) | 1;
+ iov[1].iov_base = buffer + iov[0].iov_len;
+ iov[1].iov_len = 2;
+ iov[2].iov_base = buffer + iov[0].iov_len + 2;
+ iov[2].iov_len = exercise - iov[0].iov_len - 2;
+
+ in_csum_iov = in_cksumv(iov, 3);
+ if (in_csum_iov != in_csum)
+ printf("\nverify: in_cksumv failed, lens: %zu+%zu+%zu, got %04x, expected %04x\n",
+ iov[0].iov_len, iov[1].iov_len,
+ iov[2].iov_len, in_csum_iov, in_csum);
+
+ /* force split without byte leftover */
+ iov[0].iov_base = buffer;
+ iov[0].iov_len = (exercise / 2) & ~1UL;
+ iov[1].iov_base = buffer + iov[0].iov_len;
+ iov[1].iov_len = 2;
+ iov[2].iov_base = buffer + iov[0].iov_len + 2;
+ iov[2].iov_len = exercise - iov[0].iov_len - 2;
+
+ in_csum_iov = in_cksumv(iov, 3);
+ if (in_csum_iov != in_csum)
+ printf("\nverify: in_cksumv failed, lens: %zu+%zu+%zu, got %04x, expected %04x\n",
+ iov[0].iov_len, iov[1].iov_len,
+ iov[2].iov_len, in_csum_iov, in_csum);
+ }
+
+ if (exercise >= FLETCHER_CHECKSUM_VALIDATE)
+ continue;
+
ospfd = ospfd_checksum(buffer, exercise + sizeof(uint16_t),
exercise);
if (verify(buffer, exercise + sizeof(uint16_t)))
- printf("verify: ospfd failed\n");
+ printf("\nverify: ospfd failed\n");
isisd = iso_csum_create(buffer, exercise + sizeof(uint16_t),
exercise);
if (verify(buffer, exercise + sizeof(uint16_t)))
- printf("verify: isisd failed\n");
+ printf("\nverify: isisd failed\n");
lib = fletcher_checksum(buffer, exercise + sizeof(uint16_t),
exercise);
if (verify(buffer, exercise + sizeof(uint16_t)))
- printf("verify: lib failed\n");
+ printf("\nverify: lib failed\n");
if (ospfd != lib) {
- printf("Mismatch in values at size %d\n"
+ printf("\nMismatch in values at size %d\n"
"ospfd: 0x%04x\tc0: %d\tc1: %d\tx: %d\ty: %d\n"
"isisd: 0x%04x\tc0: %d\tc1: %d\tx: %d\ty: %d\n"
"lib: 0x%04x\n",