1 /*- 2 * Copyright (c) 2013 EMC Corp. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 */ 26 27 #include <sys/cdefs.h> 28 __FBSDID("$FreeBSD$"); 29 30 #include <errno.h> 31 #include <fcntl.h> 32 #include <stdio.h> 33 #include <stdlib.h> 34 #include <strings.h> 35 #include <sys/limits.h> 36 #include <sys/stat.h> 37 #include <unistd.h> 38 #include <atf-c.h> 39 40 ATF_TC_WITHOUT_HEAD(dup2_simple); 41 ATF_TC_BODY(dup2_simple, tc) 42 { 43 int fd1, fd2; 44 struct stat sb1, sb2; 45 46 fd1 = open("/etc/passwd", O_RDONLY); 47 ATF_REQUIRE(fd1 >= 0); 48 fd2 = 27; 49 ATF_REQUIRE(dup2(fd1, fd2) != -1); 50 ATF_REQUIRE(fstat(fd1, &sb1) != -1); 51 ATF_REQUIRE(fstat(fd2, &sb2) != -1); 52 ATF_REQUIRE(bcmp(&sb1, &sb2, sizeof(sb1)) == 0); 53 } 54 55 /* 56 Regression test for r234131: 57 Return EBADF instead of EMFILE from dup2 when the second argument is 58 outside the range of valid file descriptors 59 */ 60 61 ATF_TC_WITHOUT_HEAD(dup2_r234131); 62 ATF_TC_BODY(dup2_r234131, tc) 63 { 64 int fd1, fd2, ret; 65 66 fd1 = open("/etc/passwd", O_RDONLY); 67 fd2 = INT_MAX; 68 ret = dup2(fd1, fd2); 69 ATF_CHECK_EQ(-1, ret); 70 ATF_CHECK_EQ(EBADF, errno); 71 } 72 73 ATF_TP_ADD_TCS(tp) 74 { 75 76 ATF_TP_ADD_TC(tp, dup2_simple); 77 ATF_TP_ADD_TC(tp, dup2_r234131); 78 79 return atf_no_error(); 80 } 81