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t_openat.c revision 1.1.4.3 
      1 /*	$NetBSD: t_openat.c,v 1.1.4.3 2014/05/22 11:42:20 yamt Exp $ */
      2 
      3 /*-
      4  * Copyright (c) 2012 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Emmanuel Dreyfus.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29  * POSSIBILITY OF SUCH DAMAGE.
     30  */
     31 #include <sys/cdefs.h>
     32 __RCSID("$NetBSD: t_openat.c,v 1.1.4.3 2014/05/22 11:42:20 yamt Exp $");
     33 
     34 #include <atf-c.h>
     35 #include <errno.h>
     36 #include <fcntl.h>
     37 #include <limits.h>
     38 #include <paths.h>
     39 #include <stdio.h>
     40 #include <string.h>
     41 #include <unistd.h>
     42 #include <sys/param.h>
     43 
     44 #define DIR "dir"
     45 #define FILE "dir/openat"
     46 #define BASEFILE "openat"
     47 #define FILEERR "dir/openaterr"
     48 
     49 ATF_TC(openat_fd);
     50 ATF_TC_HEAD(openat_fd, tc)
     51 {
     52 	atf_tc_set_md_var(tc, "descr", "See that openat works with fd");
     53 }
     54 ATF_TC_BODY(openat_fd, tc)
     55 {
     56 	int dfd;
     57 	int fd;
     58 
     59 	ATF_REQUIRE(mkdir(DIR, 0755) == 0);
     60 	ATF_REQUIRE((fd = open(FILE, O_CREAT|O_RDWR, 0644)) != -1);
     61 	ATF_REQUIRE(close(fd) == 0);
     62 
     63 	ATF_REQUIRE((dfd = open(DIR, O_RDONLY, 0)) != -1);
     64 	ATF_REQUIRE((fd = openat(dfd, BASEFILE, O_RDONLY, 0)) != -1);
     65 	ATF_REQUIRE(close(dfd) == 0);
     66 	ATF_REQUIRE(close(fd) == 0);
     67 }
     68 
     69 ATF_TC(openat_fdcwd);
     70 ATF_TC_HEAD(openat_fdcwd, tc)
     71 {
     72 	atf_tc_set_md_var(tc, "descr",
     73 			  "See that openat works with fd as AT_FDCWD");
     74 }
     75 ATF_TC_BODY(openat_fdcwd, tc)
     76 {
     77 	int fd;
     78 
     79 	ATF_REQUIRE(mkdir(DIR, 0755) == 0);
     80 	ATF_REQUIRE((fd = open(FILE, O_CREAT|O_RDWR, 0644)) != -1);
     81 	ATF_REQUIRE(close(fd) == 0);
     82 
     83 	ATF_REQUIRE(chdir(DIR) == 0);
     84 	ATF_REQUIRE((fd = openat(AT_FDCWD, BASEFILE, O_RDONLY, 0)) != -1);
     85 	ATF_REQUIRE(close(fd) == 0);
     86 }
     87 
     88 ATF_TC(openat_fdcwderr);
     89 ATF_TC_HEAD(openat_fdcwderr, tc)
     90 {
     91 	atf_tc_set_md_var(tc, "descr",
     92 		  "See that openat fails with fd as AT_FDCWD and bad path");
     93 }
     94 ATF_TC_BODY(openat_fdcwderr, tc)
     95 {
     96 	int fd;
     97 
     98 	ATF_REQUIRE(mkdir(DIR, 0755) == 0);
     99 	ATF_REQUIRE((fd = openat(AT_FDCWD, FILEERR, O_RDONLY, 0)) == -1);
    100 }
    101 
    102 ATF_TC(openat_fderr1);
    103 ATF_TC_HEAD(openat_fderr1, tc)
    104 {
    105 	atf_tc_set_md_var(tc, "descr", "See that openat fail with bad path");
    106 }
    107 ATF_TC_BODY(openat_fderr1, tc)
    108 {
    109 	int dfd;
    110 	int fd;
    111 
    112 	ATF_REQUIRE(mkdir(DIR, 0755) == 0);
    113 	ATF_REQUIRE((dfd = open(DIR, O_RDONLY, 0)) != -1);
    114 	ATF_REQUIRE((fd = openat(dfd, FILEERR, O_RDONLY, 0)) == -1);
    115 	ATF_REQUIRE(close(dfd) == 0);
    116 }
    117 
    118 ATF_TC(openat_fderr2);
    119 ATF_TC_HEAD(openat_fderr2, tc)
    120 {
    121 	atf_tc_set_md_var(tc, "descr", "See that openat fails with bad fdat");
    122 }
    123 ATF_TC_BODY(openat_fderr2, tc)
    124 {
    125 	int dfd;
    126 	int fd;
    127 	char cwd[MAXPATHLEN];
    128 
    129 	ATF_REQUIRE(mkdir(DIR, 0755) == 0);
    130 	ATF_REQUIRE((fd = open(FILE, O_CREAT|O_RDWR, 0644)) != -1);
    131 	ATF_REQUIRE(close(fd) == 0);
    132 
    133 	ATF_REQUIRE((dfd = open(getcwd(cwd, MAXPATHLEN), O_RDONLY, 0)) != -1);
    134 	ATF_REQUIRE((fd = openat(dfd, BASEFILE, O_RDONLY, 0)) == -1);
    135 	ATF_REQUIRE(close(dfd) == 0);
    136 }
    137 
    138 ATF_TC(openat_fderr3);
    139 ATF_TC_HEAD(openat_fderr3, tc)
    140 {
    141 	atf_tc_set_md_var(tc, "descr", "See that openat fails with fd as -1");
    142 }
    143 ATF_TC_BODY(openat_fderr3, tc)
    144 {
    145 	int fd;
    146 
    147 	ATF_REQUIRE(mkdir(DIR, 0755) == 0);
    148 	ATF_REQUIRE((fd = open(FILE, O_CREAT|O_RDWR, 0644)) != -1);
    149 	ATF_REQUIRE(close(fd) == 0);
    150 
    151 	ATF_REQUIRE((fd = openat(-1, FILE, O_RDONLY, 0)) == -1);
    152 }
    153 
    154 ATF_TP_ADD_TCS(tp)
    155 {
    156 
    157 	ATF_TP_ADD_TC(tp, openat_fd);
    158 	ATF_TP_ADD_TC(tp, openat_fdcwd);
    159 	ATF_TP_ADD_TC(tp, openat_fdcwderr);
    160 	ATF_TP_ADD_TC(tp, openat_fderr1);
    161 	ATF_TP_ADD_TC(tp, openat_fderr2);
    162 	ATF_TP_ADD_TC(tp, openat_fderr3);
    163 
    164 	return atf_no_error();
    165 }
    166