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

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lib/libc/tests/string/strcpy_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[2] = { 5, 0 };

				assert(strcpy_s(0, 1, &b[0]) != 0);
				assert(b[0] = 5);
				}

				/* s1max > rmax */
				ATF_TC_WITHOUT_HEAD(s1max_gt_rmax);
				ATF_TC_BODY(s1max_gt_rmax, tc)
				{
				char a[2] = { 3, 0 };
				char b[2] = { 5, 0 };

				assert(strcpy_s(&a[0], RSIZE_MAX + 1, &b[0]) != 0);
				assert(a[0] == 3);
				assert(a[1] == 0);
				assert(b[0] == 5);
				}

				/* s1max < 0 */
				ATF_TC_WITHOUT_HEAD(s1max_lt_0);
				ATF_TC_BODY(s1max_lt_0, tc)
				{
				char a[2] = { 3, 0 };
				const char b[2] = { 5, 0 };

				assert(strcpy_s(&a[0], -1, &b[0]) != 0);
				assert(a[0] == 3);
				assert(a[1] == 0);
				assert(b[0] == 5);
				}

				/* normal */
				ATF_TC_WITHOUT_HEAD(normal);
				ATF_TC_BODY(normal, tc)
				{
				char a[4] = { 4, 3, 2, 1 };
				char b[2] = { 5, 0 };

				assert(strcpy_s(&a[0], 4, &b[0]) == 0);
				assert(a[0] == 5);
				assert(a[1] == 0);
				assert(b[0] == 5);
				}

				/* s2 null ptr */
				ATF_TC_WITHOUT_HEAD(s2_null_ptr);
				ATF_TC_BODY(s2_null_ptr, tc)
				{
				char a[4] = { 4, 3, 2, 1 };

				assert(strcpy_s(&a[0], 4, 0) != 0);
				assert(a[0] == 0);
				assert(a[1] == 3);
				}

				/* n > s1max */
				ATF_TC_WITHOUT_HEAD(n_gt_s1max);
				ATF_TC_BODY(n_gt_s1max, tc)
				{
				char a[4] = { 4, 3, 2, 1 };
				char b[6] = { 5, 4, 3, 2, 1, 0 };

				assert(strcpy_s(&a[0], 4, &b[0]) != 0);
				assert(a[0] == 0);
				assert(b[0] == 5);
				}

				/* n == s1max */
				ATF_TC_WITHOUT_HEAD(n_eq_s1max);
				ATF_TC_BODY(n_eq_s1max, tc)
				{
				char a[4] = { 4, 3, 2, 1 };
				char b[4] = { 5, 4, 3, 0 };

				assert(strcpy_s(&a[0], 4, &b[0]) == 0);
				assert(a[0] == 5);
				assert(a[1] == 4);
				assert(a[2] == 3);
				assert(a[3] == 0);
				assert(b[0] == 5);
				}

				/* overlap end */
				ATF_TC_WITHOUT_HEAD(overlap_end);
				ATF_TC_BODY(overlap_end, tc)
				{
				char a[10] = { 4, 3, 2, 1, 1, 2, 3, 4, 0 };

				assert(strcpy_s(&a[0], 5, &a[4]) != 0);
				assert(a[0] == 0);
				}

				/* overlap middle */
				ATF_TC_WITHOUT_HEAD(overlap_middle);
				ATF_TC_BODY(overlap_middle, tc)
				{
				char a[8] = { 4, 3, 2, 1, 1, 2, 3, 0 };

				assert(strcpy_s(&a[0], 8, &a[2]) != 0);
				assert(a[0] == 0);
				}

				/* overlap beginning */
				ATF_TC_WITHOUT_HEAD(overlap_beginning);
				ATF_TC_BODY(overlap_beginning, tc)
				{
				char a[7] = { 4, 0, 2, 1, 3, 1, 2 };

				assert(strcpy_s(&a[0], 7, &a[0]) != 0);
				assert(a[0] == 4);
				}

				/* s1 null ptr, handler */
				ATF_TC_WITHOUT_HEAD(s1_null_ptr_handler);
				ATF_TC_BODY(s1_null_ptr_handler, tc)
				{
				char b[2] = { 5, 0 };

				e = 0;
				m = NULL;
				set_constraint_handler_s(h);
				assert(strcpy_s(0, 1, &b[0]) != 0);
				assert(b[0] == 5);
				assert(e != 0);
				assert(0 == strcmp(m, "strcpy_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[2] = { 3, 0 };
				char b[2] = { 5, 0 };

				e = 0;
				m = NULL;
				set_constraint_handler_s(h);
				assert(strcpy_s(&a[0], RSIZE_MAX + 1, &b[0]) != 0);
				assert(a[0] == 3);
				assert(a[1] == 0);
				assert(b[0] == 5);
				assert(e != 0);
				assert(0 == strcmp(m, "strcpy_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[2] = { 3, 0 };
				const char b[2] = { 5, 0 };

				e = 0;
				m = NULL;
				set_constraint_handler_s(h);
				assert(strcpy_s(&a[0], -1, &b[0]) != 0);
				assert(a[0] == 3);
				assert(a[1] == 0);
				assert(b[0] == 5);
				assert(e != 0);
				assert(0 == strcmp(m, "strcpy_s : s1max > RSIZE_MAX"));
				}

				/* normal, handler */
				ATF_TC_WITHOUT_HEAD(normal_handler);
				ATF_TC_BODY(normal_handler, tc)
				{
				char a[4] = { 4, 3, 2, 1 };
				const char b[2] = { 5, 0 };

				e = 0;
				m = NULL;
				set_constraint_handler_s(h);
				assert(strcpy_s(&a[0], 4, &b[0]) == 0);
				assert(a[0] == 5);
				assert(a[1] == 0);
				assert(b[0] == 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[4] = { 4, 3, 2, 1 };

				e = 0;
				m = NULL;
				set_constraint_handler_s(h);
				assert(strcpy_s(&a[0], 4, 0) != 0);
				assert(a[0] == 0);
				assert(a[1] == 3);
				assert(e != 0);
				assert(0 == strcmp(m, "strcpy_s : s2 is NULL"));
				}

				/* n > s1max, handler */
				ATF_TC_WITHOUT_HEAD(n_gt_s1max_handler);
				ATF_TC_BODY(n_gt_s1max_handler, tc)
				{
				char a[4] = { 4, 3, 2, 1 };
				char b[6] = { 5, 4, 3, 2, 1, 0 };

				e = 0;
				m = NULL;
				set_constraint_handler_s(h);
				assert(strcpy_s(&a[0], 4, &b[0]) != 0);
				assert(a[0] == 0);
				assert(b[0] == 5);
				assert(e != 0);
				assert(0 == strcmp(m, "strcpy_s : s2 will be truncated"));
				}

				/* n == s1max, handler */
				ATF_TC_WITHOUT_HEAD(n_eq_s1max_handler);
				ATF_TC_BODY(n_eq_s1max_handler, tc)
				{
				char a[4] = { 4, 3, 2, 1 };
				const char b[5] = { 5, 4, 3, 2, 0 };

				e = 0;
				m = NULL;
				set_constraint_handler_s(h);
				assert(strcpy_s(&a[0], 4, &b[0]) != 0);
				assert(a[0] == 0);
				assert(b[0] == 5);
				assert(e != 0);
				assert(0 == strcmp(m, "strcpy_s : s2 will be truncated"));
				}

				/* overlap end, handler */
				ATF_TC_WITHOUT_HEAD(overlap_end_handler);
				ATF_TC_BODY(overlap_end_handler, tc)
				{
				char a[10] = { 4, 3, 2, 1, 1, 2, 3, 4, 0 };

				e = 0;
				m = NULL;
				set_constraint_handler_s(h);
				assert(strcpy_s(&a[0], 5, &a[4]) != 0);
				assert(a[0] == 0);
				assert(e != 0);
				assert(0 == strcmp(m, "strcpy_s : memory overlaps"));
				}

				/* overlap middle, handler */
				ATF_TC_WITHOUT_HEAD(overlap_middle_handler);
				ATF_TC_BODY(overlap_middle_handler, tc)
				{
				char a[8] = { 4, 3, 2, 1, 1, 2, 3, 0 };

				e = 0;
				m = NULL;
				set_constraint_handler_s(h);
				assert(strcpy_s(&a[0], 8, &a[2]) != 0);
				assert(a[0] == 0);
				assert(e != 0);
				assert(0 == strcmp(m, "strcpy_s : memory overlaps"));
				}

				/* overlap beginning, handler */
				ATF_TC_WITHOUT_HEAD(overlap_beginning_handler);
				ATF_TC_BODY(overlap_beginning_handler, tc)
				{
				char a[7] = { 4, 0, 2, 1, 3, 1, 2 };

				e = 0;
				m = NULL;
				set_constraint_handler_s(h);
				assert(strcpy_s(&a[0], 7, &a[0]) != 0);
				assert(a[0] == 4);
				assert(e != 0);
				assert(0 == strcmp(m, "strcpy_s : memory overlaps"));
				}

				/* s1max == 0, handler */
				ATF_TC_WITHOUT_HEAD(s1max_eq_0_handler);
				ATF_TC_BODY(s1max_eq_0_handler, tc)
				{
				char a[2] = { 3, 0 };
				const char b[2] = { 5, 0 };

				e = 0;
				m = NULL;
				set_constraint_handler_s(h);
				assert(strcpy_s(&a[0], 0, &b[0]) != 0);
				assert(a[0] == 3);
				assert(a[1] == 0);
				assert(b[0] == 5);
				assert(e != 0);
				assert(0 == strcmp(m, "strcpy_s : s1max == 0"));
				}

				/* trival input */
				ATF_TC_WITHOUT_HEAD(trivial_input);
				ATF_TC_BODY(trivial_input, tc)
				{
				char a[4] = { 4, 3, 2, 1 };
				char b[1] = { 0 };

				assert(strcpy_s(&a[0], 4, &b[0]) == 0);
				assert(a[0] == 0);
				assert(b[0] == 0);
				}

				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_s1max);
				ATF_TP_ADD_TC(tp, n_eq_s1max);
				ATF_TP_ADD_TC(tp, overlap_end);
				ATF_TP_ADD_TC(tp, overlap_middle);
				ATF_TP_ADD_TC(tp, overlap_beginning);
				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_s1max_handler);
				ATF_TP_ADD_TC(tp, n_eq_s1max_handler);
				ATF_TP_ADD_TC(tp, overlap_end_handler);
				ATF_TP_ADD_TC(tp, overlap_middle_handler);
				ATF_TP_ADD_TC(tp, overlap_beginning_handler);
				ATF_TP_ADD_TC(tp, s1max_eq_0_handler);
				ATF_TP_ADD_TC(tp, trivial_input);
				return (atf_no_error());
				}