t_mknodat.c revision 1.2.2.3
1 1.2.2.3 yamt /* $NetBSD: t_mknodat.c,v 1.2.2.3 2014/05/22 11:42:20 yamt Exp $ */ 2 1.2.2.2 yamt 3 1.2.2.2 yamt /*- 4 1.2.2.2 yamt * Copyright (c) 2012 The NetBSD Foundation, Inc. 5 1.2.2.2 yamt * All rights reserved. 6 1.2.2.2 yamt * 7 1.2.2.2 yamt * This code is derived from software contributed to The NetBSD Foundation 8 1.2.2.2 yamt * by Emmanuel Dreyfus. 9 1.2.2.2 yamt * 10 1.2.2.2 yamt * Redistribution and use in source and binary forms, with or without 11 1.2.2.2 yamt * modification, are permitted provided that the following conditions 12 1.2.2.2 yamt * are met: 13 1.2.2.2 yamt * 1. Redistributions of source code must retain the above copyright 14 1.2.2.2 yamt * notice, this list of conditions and the following disclaimer. 15 1.2.2.2 yamt * 2. Redistributions in binary form must reproduce the above copyright 16 1.2.2.2 yamt * notice, this list of conditions and the following disclaimer in the 17 1.2.2.2 yamt * documentation and/or other materials provided with the distribution. 18 1.2.2.2 yamt * 19 1.2.2.2 yamt * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 1.2.2.2 yamt * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 1.2.2.2 yamt * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 1.2.2.2 yamt * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 1.2.2.2 yamt * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 1.2.2.2 yamt * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 1.2.2.2 yamt * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 1.2.2.2 yamt * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 1.2.2.2 yamt * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 1.2.2.2 yamt * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 1.2.2.2 yamt * POSSIBILITY OF SUCH DAMAGE. 30 1.2.2.2 yamt */ 31 1.2.2.2 yamt #include <sys/cdefs.h> 32 1.2.2.3 yamt __RCSID("$NetBSD: t_mknodat.c,v 1.2.2.3 2014/05/22 11:42:20 yamt Exp $"); 33 1.2.2.2 yamt 34 1.2.2.2 yamt #include <atf-c.h> 35 1.2.2.2 yamt #include <errno.h> 36 1.2.2.2 yamt #include <fcntl.h> 37 1.2.2.2 yamt #include <limits.h> 38 1.2.2.2 yamt #include <paths.h> 39 1.2.2.2 yamt #include <stdio.h> 40 1.2.2.2 yamt #include <string.h> 41 1.2.2.2 yamt #include <unistd.h> 42 1.2.2.2 yamt #include <sys/param.h> 43 1.2.2.2 yamt #include <sys/stat.h> 44 1.2.2.2 yamt 45 1.2.2.2 yamt #define DIR "dir" 46 1.2.2.2 yamt #define FILE "dir/openat" 47 1.2.2.2 yamt #define BASEFILE "openat" 48 1.2.2.2 yamt #define FILEERR "dir/openaterr" 49 1.2.2.2 yamt 50 1.2.2.2 yamt static dev_t get_devnull(void); 51 1.2.2.2 yamt 52 1.2.2.2 yamt static dev_t 53 1.2.2.2 yamt get_devnull(void) 54 1.2.2.2 yamt { 55 1.2.2.2 yamt struct stat st; 56 1.2.2.2 yamt 57 1.2.2.2 yamt if (stat(_PATH_DEVNULL, &st) != 0) 58 1.2.2.2 yamt return NODEV; 59 1.2.2.2 yamt 60 1.2.2.2 yamt return st.st_rdev; 61 1.2.2.2 yamt } 62 1.2.2.2 yamt 63 1.2.2.2 yamt 64 1.2.2.3 yamt ATF_TC(mknodat_fd); 65 1.2.2.2 yamt ATF_TC_HEAD(mknodat_fd, tc) 66 1.2.2.2 yamt { 67 1.2.2.2 yamt atf_tc_set_md_var(tc, "descr", "See that mknodat works with fd"); 68 1.2.2.2 yamt atf_tc_set_md_var(tc, "require.user", "root"); 69 1.2.2.2 yamt } 70 1.2.2.2 yamt ATF_TC_BODY(mknodat_fd, tc) 71 1.2.2.2 yamt { 72 1.2.2.2 yamt int dfd; 73 1.2.2.2 yamt int fd; 74 1.2.2.2 yamt dev_t dev; 75 1.2.2.2 yamt mode_t mode = S_IFCHR|0600; 76 1.2.2.2 yamt 77 1.2.2.2 yamt ATF_REQUIRE((dev = get_devnull()) != NODEV); 78 1.2.2.2 yamt ATF_REQUIRE(mkdir(DIR, 0755) == 0); 79 1.2.2.2 yamt ATF_REQUIRE((dfd = open(DIR, O_RDONLY, 0)) != -1); 80 1.2.2.2 yamt ATF_REQUIRE((fd = mknodat(dfd, BASEFILE, mode, dev)) != -1); 81 1.2.2.2 yamt ATF_REQUIRE(close(fd) == 0); 82 1.2.2.2 yamt ATF_REQUIRE(access(FILE, F_OK) == 0); 83 1.2.2.2 yamt } 84 1.2.2.2 yamt 85 1.2.2.3 yamt ATF_TC(mknodat_fdcwd); 86 1.2.2.2 yamt ATF_TC_HEAD(mknodat_fdcwd, tc) 87 1.2.2.2 yamt { 88 1.2.2.2 yamt atf_tc_set_md_var(tc, "descr", 89 1.2.2.2 yamt "See that mknodat works with fd as AT_FDCWD"); 90 1.2.2.2 yamt atf_tc_set_md_var(tc, "require.user", "root"); 91 1.2.2.2 yamt } 92 1.2.2.2 yamt ATF_TC_BODY(mknodat_fdcwd, tc) 93 1.2.2.2 yamt { 94 1.2.2.2 yamt int fd; 95 1.2.2.2 yamt dev_t dev; 96 1.2.2.2 yamt mode_t mode = S_IFCHR|0600; 97 1.2.2.2 yamt 98 1.2.2.2 yamt ATF_REQUIRE((dev = get_devnull()) != NODEV); 99 1.2.2.2 yamt ATF_REQUIRE(mkdir(DIR, 0755) == 0); 100 1.2.2.2 yamt ATF_REQUIRE((fd = mknodat(AT_FDCWD, FILE, mode, dev)) != -1); 101 1.2.2.2 yamt ATF_REQUIRE(close(fd) == 0); 102 1.2.2.2 yamt ATF_REQUIRE(access(FILE, F_OK) == 0); 103 1.2.2.2 yamt } 104 1.2.2.2 yamt 105 1.2.2.3 yamt ATF_TC(mknodat_fdcwderr); 106 1.2.2.2 yamt ATF_TC_HEAD(mknodat_fdcwderr, tc) 107 1.2.2.2 yamt { 108 1.2.2.2 yamt atf_tc_set_md_var(tc, "descr", 109 1.2.2.2 yamt "See that mknodat fails with fd as AT_FDCWD and bad path"); 110 1.2.2.2 yamt atf_tc_set_md_var(tc, "require.user", "root"); 111 1.2.2.2 yamt } 112 1.2.2.2 yamt ATF_TC_BODY(mknodat_fdcwderr, tc) 113 1.2.2.2 yamt { 114 1.2.2.2 yamt int fd; 115 1.2.2.2 yamt dev_t dev; 116 1.2.2.2 yamt mode_t mode = S_IFCHR|0600; 117 1.2.2.2 yamt 118 1.2.2.2 yamt ATF_REQUIRE((dev = get_devnull()) != NODEV); 119 1.2.2.2 yamt ATF_REQUIRE((fd = mknodat(AT_FDCWD, FILEERR, mode, dev)) == -1); 120 1.2.2.2 yamt } 121 1.2.2.2 yamt 122 1.2.2.3 yamt ATF_TC(mknodat_fderr); 123 1.2.2.2 yamt ATF_TC_HEAD(mknodat_fderr, tc) 124 1.2.2.2 yamt { 125 1.2.2.2 yamt atf_tc_set_md_var(tc, "descr", "See that mknodat fails with fd as -1"); 126 1.2.2.2 yamt atf_tc_set_md_var(tc, "require.user", "root"); 127 1.2.2.2 yamt } 128 1.2.2.2 yamt ATF_TC_BODY(mknodat_fderr, tc) 129 1.2.2.2 yamt { 130 1.2.2.2 yamt int fd; 131 1.2.2.2 yamt dev_t dev; 132 1.2.2.2 yamt mode_t mode = S_IFCHR|0600; 133 1.2.2.2 yamt 134 1.2.2.2 yamt ATF_REQUIRE((dev = get_devnull()) != NODEV); 135 1.2.2.2 yamt ATF_REQUIRE(mkdir(DIR, 0755) == 0); 136 1.2.2.2 yamt ATF_REQUIRE((fd = open(FILE, O_CREAT|O_RDWR, 0644)) != -1); 137 1.2.2.2 yamt ATF_REQUIRE(close(fd) == 0); 138 1.2.2.2 yamt ATF_REQUIRE((fd = mknodat(-1, FILE, mode, dev)) == -1); 139 1.2.2.2 yamt } 140 1.2.2.2 yamt 141 1.2.2.2 yamt ATF_TP_ADD_TCS(tp) 142 1.2.2.2 yamt { 143 1.2.2.2 yamt 144 1.2.2.2 yamt ATF_TP_ADD_TC(tp, mknodat_fd); 145 1.2.2.2 yamt ATF_TP_ADD_TC(tp, mknodat_fdcwd); 146 1.2.2.2 yamt ATF_TP_ADD_TC(tp, mknodat_fdcwderr); 147 1.2.2.2 yamt ATF_TP_ADD_TC(tp, mknodat_fderr); 148 1.2.2.2 yamt 149 1.2.2.2 yamt return atf_no_error(); 150 1.2.2.2 yamt } 151
Indexes created Fri Oct 03 02:09:57 GMT 2025