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Differential D10469 Diff 27662 lib/libc/tests/string/memcpy_s_test.c

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lib/libc/tests/string/memcpy_s_test.c

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/*-
* Copyright (c) 2017 Juniper Networks. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <assert.h>
#include <stdint.h>
#include <stdlib.h>
#include <string.h>
#include <atf-c.h>
static errno_t e;
static const char * restrict m;
void
h(const char * restrict msg, void * restrict ptr __unused, errno_t error)
{
e = error;
m = msg;
}
/* s1 null ptr */
ATF_TC_WITHOUT_HEAD(s1_null_ptr);
ATF_TC_BODY(s1_null_ptr, tc)
{
char b;
b = 5;
assert(memcpy_s(0, 1, &b, 1) != 0);
assert(b == 5);
}
/* s1max > rmax */
ATF_TC_WITHOUT_HEAD(s1max_gt_rmax);
ATF_TC_BODY(s1max_gt_rmax, tc)
{
char a, b;
a = 3;
b = 5;
assert(memcpy_s(&a, RSIZE_MAX + 1, &b, 1) != 0);
assert(a == 3);
assert(b == 5);
}
/* s1max < 0 */
ATF_TC_WITHOUT_HEAD(s1max_lt_0);
ATF_TC_BODY(s1max_lt_0, tc)
{
char a, b;
a = 3;
b = 5;
assert(memcpy_s(&a, -1, &b, 1) != 0);
assert(a == 3);
assert(b == 5);
}
/* normal */
ATF_TC_WITHOUT_HEAD(normal);
ATF_TC_BODY(normal, tc)
{
char a, b;
a = 3;
b = 5;
assert(memcpy_s(&a, 1, &b, 1) == 0);
assert(a == 5);
assert(b == 5);
}
/* s2 null ptr */
ATF_TC_WITHOUT_HEAD(s2_null_ptr);
ATF_TC_BODY(s2_null_ptr, tc)
{
char a;
a = 5;
assert(memcpy_s(&a, 1, 0, 1) != 0);
assert(a == 0);
}
/* n > rmax */
ATF_TC_WITHOUT_HEAD(n_gt_rmax);
ATF_TC_BODY(n_gt_rmax, tc)
{
char a, b;
a = 3;
b = 5;
assert(memcpy_s(&a, 1, &b, RSIZE_MAX + 1) != 0);
assert(a == 0);
assert(b == 5);
}
/* n < 0 */
ATF_TC_WITHOUT_HEAD(n_lt_0);
ATF_TC_BODY(n_lt_0, tc)
{
char a, b;
a = 3;
b = 5;
assert(memcpy_s(&a, 1, &b, -1) != 0);
assert(a == 0);
assert(b == 5);
}
/* n < s1max */
ATF_TC_WITHOUT_HEAD(n_lt_s1max);
ATF_TC_BODY(n_lt_s1max, tc)
{
char a[3] = { 1, 2, 3 };
char b[3] = { 5, 6, 7 };
assert(memcpy_s(&a[0], 3, &b[0], 2) == 0);
assert(a[0] == 5);
assert(a[1] == 6);
assert(a[2] == 3);
}
/* n > s1max */
ATF_TC_WITHOUT_HEAD(n_gt_s1max);
ATF_TC_BODY(n_gt_s1max, tc)
{
char a[3] = { 1, 2, 3 };
char b[3] = { 5, 6, 7 };
assert(memcpy_s(&a[0], 2, &b[0], 3) == 0);
assert(a[0] == 5);
assert(a[1] == 6);
assert(a[2] == 3);
}
/* null ptr, handler */
ATF_TC_WITHOUT_HEAD(s1_null_ptr_handler);
ATF_TC_BODY(s1_null_ptr_handler, tc)
{
char b;
b = 5;
e = 0;
m = NULL;
set_constraint_handler_s(h);
assert(memcpy_s(0, 1, &b, 1) != 0);
assert(e != 0);
assert(0 == strcmp(m, "memcpy_s : s1 is NULL"));
}
/* s1max > rmax, handler */
ATF_TC_WITHOUT_HEAD(s1max_gt_rmax_handler);
ATF_TC_BODY(s1max_gt_rmax_handler, tc)
{
char a, b;
a = 3;
b = 5;
e = 0;
m = NULL;
set_constraint_handler_s(h);
assert(memcpy_s(&b, RSIZE_MAX + 1, &b, 1) != 0);
assert(a == 3);
assert(b == 5);
assert(e != 0);
assert(0 == strcmp(m, "memcpy_s : s1max > RSIZE_MAX"));
}
/* s1max < 0, handler */
ATF_TC_WITHOUT_HEAD(s1max_lt_0_handler);
ATF_TC_BODY(s1max_lt_0_handler, tc)
{
char a, b;
a = 3;
b = 5;
e = 0;
m = NULL;
set_constraint_handler_s(h);
assert(memcpy_s(&b, -1, &b, 1) != 0);
assert(a == 3);
assert(b == 5);
assert(e != 0);
assert(0 == strcmp(m, "memcpy_s : s1max > RSIZE_MAX"));
}
/* normal, handler */
ATF_TC_WITHOUT_HEAD(normal_handler);
ATF_TC_BODY(normal_handler, tc)
{
char a, b;
a = 3;
b = 5;
e = 0;
m = NULL;
set_constraint_handler_s(h);
assert(memcpy_s(&a, 1, &b, 1) == 0);
assert(a == 5);
assert(b == 5);
assert(e == 0);
assert(m == NULL);
}
/* s2 null ptr, handler */
ATF_TC_WITHOUT_HEAD(s2_null_ptr_handler);
ATF_TC_BODY(s2_null_ptr_handler, tc)
{
char a;
a = 5;
e = 0;
m = NULL;
set_constraint_handler_s(h);
assert(memcpy_s(&a, 1, 0, 1) != 0);
assert(a == 0);
assert(e != 0);
assert(0 == strcmp(m, "memcpy_s : s2 is NULL"));
}
/* n > rmax, handler */
ATF_TC_WITHOUT_HEAD(n_gt_rmax_handler);
ATF_TC_BODY(n_gt_rmax_handler, tc)
{
char a, b;
a = 3;
b = 5;
e = 0;
m = NULL;
set_constraint_handler_s(h);
assert(memcpy_s(&a, 1, &b, RSIZE_MAX + 1) != 0);
assert(a == 0);
assert(b == 5);
assert(e != 0);
assert(0 == strcmp(m, "memcpy_s : n > RSIZE_MAX"));
}
/* n < 0, handler */
ATF_TC_WITHOUT_HEAD(n_lt_0_handler);
ATF_TC_BODY(n_lt_0_handler, tc)
{
char a, b;
a = 3;
b = 5;
e = 0;
m = NULL;
set_constraint_handler_s(h);
assert(memcpy_s(&a, 1, &b, -1) != 0);
assert(a == 0);
assert(b == 5);
assert(e != 0);
assert(0 == strcmp(m, "memcpy_s : n > RSIZE_MAX"));
}
/* overlap, beginning */
ATF_TC_WITHOUT_HEAD(overlap_beginning);
ATF_TC_BODY(overlap_beginning, tc)
{
char a[6] = { 1, 2, 3, 4, 5, 6 };
assert(memcpy_s(&a[0], 1, &a[0], 1) != 0);
assert(a[0] == 1);
}
/* overlap, ending 1 */
ATF_TC_WITHOUT_HEAD(overlap_ending_1);
ATF_TC_BODY(overlap_ending_1, tc)
{
char a[6] = { 1, 2, 3, 4, 5, 6 };
assert(memcpy_s(&a[0], 3, &a[2], 3) != 0);
assert(a[0] == 1);
assert(a[1] == 2);
assert(a[2] == 3);
}
/* overlap, ending 2 */
ATF_TC_WITHOUT_HEAD(overlap_ending_2);
ATF_TC_BODY(overlap_ending_2, tc)
{
char a[6] = { 1, 2, 3, 4, 5, 6 };
assert(memcpy_s(&a[2], 3, &a[0], 3) != 0);
assert(a[0] == 1);
assert(a[1] == 2);
assert(a[2] == 3);
}
/* overlap, beginning, handler */
ATF_TC_WITHOUT_HEAD(overlap_beginning_handler);
ATF_TC_BODY(overlap_beginning_handler, tc)
{
char a[6] = { 1, 2, 3, 4, 5, 6 };
e = 0;
m = NULL;
set_constraint_handler_s(h);
assert(memcpy_s(&a[0], 1, &a[0], 1) != 0);
assert(a[0] == 1);
assert(e != 0);
assert(0 == strcmp(m, "memcpy_s : memory overlaps"));
}
/* overlap, ending 1, handler */
ATF_TC_WITHOUT_HEAD(overlap_ending_1_handler);
ATF_TC_BODY(overlap_ending_1_handler, tc)
{
char a[6] = { 1, 2, 3, 4, 5, 6 };
e = 0;
m = NULL;
set_constraint_handler_s(h);
assert(memcpy_s(&a[0], 3, &a[2], 3) != 0);
assert(a[0] == 1);
assert(a[1] == 2);
assert(a[2] == 3);
assert(e != 0);
assert(0 == strcmp(m, "memcpy_s : memory overlaps"));
}
/* overlap, ending 2, handler */
ATF_TC_WITHOUT_HEAD(overlap_ending_2_handler);
ATF_TC_BODY(overlap_ending_2_handler, tc)
{
char a[6] = { 1, 2, 3, 4, 5, 6 };
e = 0;
m = NULL;
set_constraint_handler_s(h);
assert(memcpy_s(&a[2], 3, &a[0], 3) != 0);
assert(a[0] == 1);
assert(a[1] == 2);
assert(a[2] == 3);
assert(e != 0);
assert(0 == strcmp(m, "memcpy_s : memory overlaps"));
}
/* no overlap 1 */
ATF_TC_WITHOUT_HEAD(no_overlap_1);
ATF_TC_BODY(no_overlap_1, tc)
{
char a[6] = { 1, 2, 3, 4, 5, 6 };
assert(memcpy_s(&a[0], 1, &a[1], 1) == 0);
assert(a[0] == 2);
}
/* no overlap 2 */
ATF_TC_WITHOUT_HEAD(no_overlap_2);
ATF_TC_BODY(no_overlap_2, tc)
{
char a[6] = { 1, 2, 3, 4, 5, 6 };
assert(memcpy_s(&a[1], 1, &a[0], 1) == 0);
assert(a[1] == 1);
}
/* no overlap 3 */
ATF_TC_WITHOUT_HEAD(no_overlap_3);
ATF_TC_BODY(no_overlap_3, tc)
{
char a[6] = { 1, 2, 3, 4, 5, 6 };
assert(memcpy_s(&a[0], 2, &a[2], 2) == 0);
assert(a[0] == 3);
assert(a[1] == 4);
}
/* no overlap 4 */
ATF_TC_WITHOUT_HEAD(no_overlap_4);
ATF_TC_BODY(no_overlap_4, tc)
{
char a[6] = { 1, 2, 3, 4, 5, 6 };
assert(memcpy_s(&a[2], 2, &a[0], 2) == 0);
assert(a[2] == 1);
assert(a[3] == 2);
}
/* overlap, middle 1, handler */
ATF_TC_WITHOUT_HEAD(overlap_middle_1_handler);
ATF_TC_BODY(overlap_middle_1_handler, tc)
{
char a[6] = { 1, 2, 3, 4, 5, 6 };
e = 0;
m = NULL;
set_constraint_handler_s(h);
assert(memcpy_s(&a[0], 4, &a[1], 2) != 0);
assert(a[0] == 1);
assert(a[1] == 2);
assert(a[2] == 3);
assert(e != 0);
assert(0 == strcmp(m, "memcpy_s : memory overlaps"));
}
/* noop */
ATF_TC_WITHOUT_HEAD(noop);
ATF_TC_BODY(noop, tc)
{
char a, b;
a = 3;
b = 5;
assert(memcpy_s(&a, 1, &b, 0) == 0);
assert(a == 3);
assert(b == 5);
}
ATF_TP_ADD_TCS(tp)
{
ATF_TP_ADD_TC(tp, s1_null_ptr);
ATF_TP_ADD_TC(tp, s1max_gt_rmax);
ATF_TP_ADD_TC(tp, s1max_lt_0);
ATF_TP_ADD_TC(tp, normal);
ATF_TP_ADD_TC(tp, s2_null_ptr);
ATF_TP_ADD_TC(tp, n_gt_rmax);
ATF_TP_ADD_TC(tp, n_lt_0);
ATF_TP_ADD_TC(tp, n_lt_s1max);
ATF_TP_ADD_TC(tp, n_gt_s1max);
ATF_TP_ADD_TC(tp, s1_null_ptr_handler);
ATF_TP_ADD_TC(tp, s1max_gt_rmax_handler);
ATF_TP_ADD_TC(tp, s1max_lt_0_handler);
ATF_TP_ADD_TC(tp, normal_handler);
ATF_TP_ADD_TC(tp, s2_null_ptr_handler);
ATF_TP_ADD_TC(tp, n_gt_rmax_handler);
ATF_TP_ADD_TC(tp, n_lt_0_handler);
ATF_TP_ADD_TC(tp, overlap_beginning);
ATF_TP_ADD_TC(tp, overlap_ending_1);
ATF_TP_ADD_TC(tp, overlap_ending_2);
ATF_TP_ADD_TC(tp, overlap_beginning_handler);
ATF_TP_ADD_TC(tp, overlap_ending_1_handler);
ATF_TP_ADD_TC(tp, overlap_ending_2_handler);
ATF_TP_ADD_TC(tp, no_overlap_1);
ATF_TP_ADD_TC(tp, no_overlap_2);
ATF_TP_ADD_TC(tp, no_overlap_3);
ATF_TP_ADD_TC(tp, no_overlap_4);
ATF_TP_ADD_TC(tp, overlap_middle_1_handler);
ATF_TP_ADD_TC(tp, noop);
return (atf_no_error());
}