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 #include <assert.h> 28 #include <stdint.h> 29 #include <stdio.h> 30 #include <stdlib.h> 31 #include <sys/types.h> 32 #include <unistd.h> 33 #include <sys/wait.h> 34 35 #include <atf-c.h> 36 37 static errno_t error_code; 38 static const char * message; 39 40 void 41 h(const char * msg, void * ptr __unused, errno_t error) 42 { 43 error_code = error; 44 message = msg; 45 } 46 47 /* null ptr */ 48 ATF_TC_WITHOUT_HEAD(null_ptr); 49 ATF_TC_BODY(null_ptr, tc) 50 { 51 ATF_CHECK_MSG(gets_s(NULL, 1) == NULL, 52 "gets_s() failed to handle NULL pointer"); 53 } 54 55 /* normal */ 56 ATF_TC_WITHOUT_HEAD(normal); 57 ATF_TC_BODY(normal, tc) 58 { 59 pid_t kidpid; 60 int fd[2]; 61 int nfd; 62 63 // close(STDIN_FILENO); 64 // close(STDOUT_FILENO); 65 pipe(fd); 66 67 if ((kidpid = fork()) == 0) { 68 char b[10]; 69 70 close(fd[1]); 71 nfd = dup2(fd[0], 0); 72 close(fd[0]); 73 stdin = fdopen(nfd, "r"); 74 ATF_CHECK_MSG(gets_s(b, sizeof(b)) == 0, "gets_s() normal failed"); 75 fclose(stdin); 76 } else { 77 int stat; 78 79 close(fd[0]); 80 stdout = fdopen(fd[1], "w"); 81 puts("a sting"); 82 fclose(stdout); 83 (void) waitpid(kidpid, &stat, WEXITED); 84 } 85 } 86 87 /* n > rmax */ 88 ATF_TC_WITHOUT_HEAD(n_gt_rmax); 89 ATF_TC_BODY(n_gt_rmax, tc) 90 { 91 char b; 92 93 ATF_CHECK_MSG(gets_s(&b, RSIZE_MAX + 1) == NULL, 94 "gets_s() n > RSIZE_MAX"); 95 } 96 97 /* n == 0 */ 98 ATF_TC_WITHOUT_HEAD(n_eq_zero); 99 ATF_TC_BODY(n_eq_zero, tc) 100 { 101 char b; 102 103 ATF_CHECK_MSG(gets_s(&b, 0) == NULL, "gets_s() n is zero"); 104 } 105 106 /* n > rmax, handler */ 107 ATF_TC_WITHOUT_HEAD(n_gt_rmax_handler); 108 ATF_TC_BODY(n_gt_rmax_handler, tc) 109 { 110 char b; 111 112 error_code = 0; 113 message = NULL; 114 set_constraint_handler_s(h); 115 ATF_CHECK_MSG(gets_s(&b, RSIZE_MAX + 1) == NULL, "gets_s() n > RSIZE_MAX"); 116 ATF_CHECK_MSG(error_code > 0, "gets_s() error code is %d", error_code); 117 ATF_CHECK_MSG(strcmp(message, "gets_s : n > RSIZE_MAX") == 0, "gets_s(): incorrect error message"); 118 } 119 120 /* n == 0, handler */ 121 ATF_TC_WITHOUT_HEAD(n_eq_zero_handler); 122 ATF_TC_BODY(n_eq_zero_handler, tc) 123 { 124 char b; 125 126 error_code = 0; 127 message = NULL; 128 set_constraint_handler_s(h); 129 ATF_CHECK(gets_s(&b, 0) == NULL); 130 ATF_CHECK_MSG(error_code > 0, "gets_s() error code is %d", error_code); 131 ATF_CHECK_MSG(strcmp(message, "gets_s : n == 0") == 0, "gets_s(): incorrect error message"); 132 } 133 134 ATF_TP_ADD_TCS(tp) 135 { 136 ATF_TP_ADD_TC(tp, null_ptr); 137 ATF_TP_ADD_TC(tp, normal); 138 ATF_TP_ADD_TC(tp, n_gt_rmax); 139 ATF_TP_ADD_TC(tp, n_eq_zero); 140 ATF_TP_ADD_TC(tp, n_gt_rmax_handler); 141 ATF_TP_ADD_TC(tp, n_eq_zero_handler); 142 return (atf_no_error()); 143 } 144