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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()); | |||||
} | |||||