1 /*- 2 * Copyright (c) 2017 Cyril S. E. Schubert 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 14 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 16 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 17 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 18 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 19 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 20 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 21 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 22 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 23 * SUCH DAMAGE. 24 */ 25 26 #include <sys/cdefs.h> 27 __FBSDID("$FreeBSD$"); 28 29 #include <assert.h> 30 #include <stdint.h> 31 #include <stdio.h> 32 #include <stdlib.h> 33 #include <sys/types.h> 34 #include <unistd.h> 35 #include <sys/wait.h> 36 37 #include <atf-c.h> 38 39 static errno_t error_code; 40 static const char * message; 41 42 void 43 h(const char * msg, void * ptr __unused, errno_t error) 44 { 45 error_code = error; 46 message = msg; 47 } 48 49 /* null ptr */ 50 ATF_TC_WITHOUT_HEAD(null_ptr); 51 ATF_TC_BODY(null_ptr, tc) 52 { 53 ATF_CHECK_MSG(gets_s(NULL, 1) == NULL, 54 "gets_s() failed to handle NULL pointer"); 55 } 56 57 /* normal */ 58 ATF_TC_WITHOUT_HEAD(normal); 59 ATF_TC_BODY(normal, tc) 60 { 61 pid_t kidpid; 62 int fd[2]; 63 int nfd; 64 65 // close(STDIN_FILENO); 66 // close(STDOUT_FILENO); 67 pipe(fd); 68 69 if ((kidpid = fork()) == 0) { 70 char b[10]; 71 72 close(fd[1]); 73 nfd = dup2(fd[0], 0); 74 close(fd[0]); 75 stdin = fdopen(nfd, "r"); 76 ATF_CHECK_MSG(gets_s(b, sizeof(b)) == 0, "gets_s() normal failed"); 77 fclose(stdin); 78 } else { 79 int stat; 80 81 close(fd[0]); 82 stdout = fdopen(fd[1], "w"); 83 puts("a sting"); 84 fclose(stdout); 85 (void) waitpid(kidpid, &stat, WEXITED); 86 } 87 } 88 89 /* n > rmax */ 90 ATF_TC_WITHOUT_HEAD(n_gt_rmax); 91 ATF_TC_BODY(n_gt_rmax, tc) 92 { 93 char b; 94 95 ATF_CHECK_MSG(gets_s(&b, RSIZE_MAX + 1) == NULL, 96 "gets_s() n > RSIZE_MAX"); 97 } 98 99 /* n == 0 */ 100 ATF_TC_WITHOUT_HEAD(n_eq_zero); 101 ATF_TC_BODY(n_eq_zero, tc) 102 { 103 char b; 104 105 ATF_CHECK_MSG(gets_s(&b, 0) == NULL, "gets_s() n is zero"); 106 } 107 108 /* n > rmax, handler */ 109 ATF_TC_WITHOUT_HEAD(n_gt_rmax_handler); 110 ATF_TC_BODY(n_gt_rmax_handler, tc) 111 { 112 char b; 113 114 error_code = 0; 115 message = NULL; 116 set_constraint_handler_s(h); 117 ATF_CHECK_MSG(gets_s(&b, RSIZE_MAX + 1) == NULL, "gets_s() n > RSIZE_MAX"); 118 ATF_CHECK_MSG(error_code > 0, "gets_s() error code is %d", error_code); 119 ATF_CHECK_MSG(strcmp(message, "gets_s : n > RSIZE_MAX") == 0, "gets_s(): incorrect error message"); 120 } 121 122 /* n == 0, handler */ 123 ATF_TC_WITHOUT_HEAD(n_eq_zero_handler); 124 ATF_TC_BODY(n_eq_zero_handler, tc) 125 { 126 char b; 127 128 error_code = 0; 129 message = NULL; 130 set_constraint_handler_s(h); 131 ATF_CHECK(gets_s(&b, 0) == NULL); 132 ATF_CHECK_MSG(error_code > 0, "gets_s() error code is %d", error_code); 133 ATF_CHECK_MSG(strcmp(message, "gets_s : n == 0") == 0, "gets_s(): incorrect error message"); 134 } 135 136 ATF_TP_ADD_TCS(tp) 137 { 138 ATF_TP_ADD_TC(tp, null_ptr); 139 ATF_TP_ADD_TC(tp, normal); 140 ATF_TP_ADD_TC(tp, n_gt_rmax); 141 ATF_TP_ADD_TC(tp, n_eq_zero); 142 ATF_TP_ADD_TC(tp, n_gt_rmax_handler); 143 ATF_TP_ADD_TC(tp, n_eq_zero_handler); 144 return (atf_no_error()); 145 } 146