t_linkat.c revision 272343
17836SJohn.Forte@Sun.COM/* $NetBSD: t_linkat.c,v 1.2 2013/03/17 04:46:06 jmmv Exp $ */ 27836SJohn.Forte@Sun.COM 37836SJohn.Forte@Sun.COM/*- 47836SJohn.Forte@Sun.COM * Copyright (c) 2012 The NetBSD Foundation, Inc. 57836SJohn.Forte@Sun.COM * All rights reserved. 67836SJohn.Forte@Sun.COM * 77836SJohn.Forte@Sun.COM * This code is derived from software contributed to The NetBSD Foundation 87836SJohn.Forte@Sun.COM * by Emmanuel Dreyfus. 97836SJohn.Forte@Sun.COM * 107836SJohn.Forte@Sun.COM * Redistribution and use in source and binary forms, with or without 117836SJohn.Forte@Sun.COM * modification, are permitted provided that the following conditions 127836SJohn.Forte@Sun.COM * are met: 137836SJohn.Forte@Sun.COM * 1. Redistributions of source code must retain the above copyright 147836SJohn.Forte@Sun.COM * notice, this list of conditions and the following disclaimer. 157836SJohn.Forte@Sun.COM * 2. Redistributions in binary form must reproduce the above copyright 167836SJohn.Forte@Sun.COM * notice, this list of conditions and the following disclaimer in the 177836SJohn.Forte@Sun.COM * documentation and/or other materials provided with the distribution. 187836SJohn.Forte@Sun.COM * 197836SJohn.Forte@Sun.COM * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 207836SJohn.Forte@Sun.COM * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 217836SJohn.Forte@Sun.COM * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 227836SJohn.Forte@Sun.COM * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 237836SJohn.Forte@Sun.COM * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 247836SJohn.Forte@Sun.COM * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 257836SJohn.Forte@Sun.COM * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 267836SJohn.Forte@Sun.COM * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 277836SJohn.Forte@Sun.COM * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 287836SJohn.Forte@Sun.COM * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 297836SJohn.Forte@Sun.COM * POSSIBILITY OF SUCH DAMAGE. 307836SJohn.Forte@Sun.COM */ 317836SJohn.Forte@Sun.COM#include <sys/cdefs.h> 327836SJohn.Forte@Sun.COM__RCSID("$NetBSD: t_linkat.c,v 1.2 2013/03/17 04:46:06 jmmv Exp $"); 337836SJohn.Forte@Sun.COM 347836SJohn.Forte@Sun.COM#include <atf-c.h> 357836SJohn.Forte@Sun.COM#include <errno.h> 367836SJohn.Forte@Sun.COM#include <fcntl.h> 377836SJohn.Forte@Sun.COM#include <limits.h> 387836SJohn.Forte@Sun.COM#include <paths.h> 397836SJohn.Forte@Sun.COM#include <stdio.h> 407836SJohn.Forte@Sun.COM#include <string.h> 417836SJohn.Forte@Sun.COM#include <unistd.h> 427836SJohn.Forte@Sun.COM#include <sys/param.h> 437836SJohn.Forte@Sun.COM#include <sys/stat.h> 447836SJohn.Forte@Sun.COM 457836SJohn.Forte@Sun.COM#define ODIR "olddir" 467836SJohn.Forte@Sun.COM#define NDIR "newdir" 477836SJohn.Forte@Sun.COM#define FILE "olddir/old" 487836SJohn.Forte@Sun.COM#define BASEFILE "old" 497836SJohn.Forte@Sun.COM#define RELFILE "../olddir/old" 507836SJohn.Forte@Sun.COM#define TARGET "newdir/new" 517836SJohn.Forte@Sun.COM#define BASETARGET "new" 527836SJohn.Forte@Sun.COM#define LINK "olddir/symlink" 537836SJohn.Forte@Sun.COM#define BASELINK "symlink" 547836SJohn.Forte@Sun.COM#define FILEERR "olddir/olderr" 557836SJohn.Forte@Sun.COM 567836SJohn.Forte@Sun.COMATF_TC(linkat_fd); 577836SJohn.Forte@Sun.COMATF_TC_HEAD(linkat_fd, tc) 587836SJohn.Forte@Sun.COM{ 597836SJohn.Forte@Sun.COM atf_tc_set_md_var(tc, "descr", "See that linkat works with fd"); 607836SJohn.Forte@Sun.COM} 617836SJohn.Forte@Sun.COMATF_TC_BODY(linkat_fd, tc) 627836SJohn.Forte@Sun.COM{ 637836SJohn.Forte@Sun.COM int ofd, nfd, fd; 647836SJohn.Forte@Sun.COM struct stat ost, nst; 657836SJohn.Forte@Sun.COM 667836SJohn.Forte@Sun.COM ATF_REQUIRE(mkdir(ODIR, 0755) == 0); 677836SJohn.Forte@Sun.COM ATF_REQUIRE(mkdir(NDIR, 0755) == 0); 687836SJohn.Forte@Sun.COM ATF_REQUIRE((fd = open(FILE, O_CREAT|O_RDWR, 0644)) != -1); 697836SJohn.Forte@Sun.COM ATF_REQUIRE(close(fd) != -1); 707836SJohn.Forte@Sun.COM 717836SJohn.Forte@Sun.COM ATF_REQUIRE((ofd = open(ODIR, O_RDONLY, 0)) != -1); 727836SJohn.Forte@Sun.COM ATF_REQUIRE((nfd = open(NDIR, O_RDONLY, 0)) != -1); 737836SJohn.Forte@Sun.COM ATF_REQUIRE(linkat(ofd, BASEFILE, nfd, BASETARGET, 0) == 0); 747836SJohn.Forte@Sun.COM ATF_REQUIRE(close(ofd) == 0); 757836SJohn.Forte@Sun.COM ATF_REQUIRE(close(nfd) == 0); 767836SJohn.Forte@Sun.COM 777836SJohn.Forte@Sun.COM ATF_REQUIRE(stat(FILE, &ost) == 0); 787836SJohn.Forte@Sun.COM ATF_REQUIRE(stat(TARGET, &nst) == 0); 797836SJohn.Forte@Sun.COM ATF_REQUIRE(ost.st_ino == nst.st_ino); 807836SJohn.Forte@Sun.COM} 817836SJohn.Forte@Sun.COM 827836SJohn.Forte@Sun.COMATF_TC(linkat_fdcwd); 837836SJohn.Forte@Sun.COMATF_TC_HEAD(linkat_fdcwd, tc) 847836SJohn.Forte@Sun.COM{ 857836SJohn.Forte@Sun.COM atf_tc_set_md_var(tc, "descr", 867836SJohn.Forte@Sun.COM "See that linkat works with fd as AT_FDCWD"); 877836SJohn.Forte@Sun.COM} 887836SJohn.Forte@Sun.COMATF_TC_BODY(linkat_fdcwd, tc) 897836SJohn.Forte@Sun.COM{ 907836SJohn.Forte@Sun.COM int fd; 917836SJohn.Forte@Sun.COM struct stat ost, nst; 927836SJohn.Forte@Sun.COM 937836SJohn.Forte@Sun.COM ATF_REQUIRE(mkdir(ODIR, 0755) == 0); 947836SJohn.Forte@Sun.COM ATF_REQUIRE(mkdir(NDIR, 0755) == 0); 957836SJohn.Forte@Sun.COM ATF_REQUIRE((fd = open(FILE, O_CREAT|O_RDWR, 0644)) != -1); 967836SJohn.Forte@Sun.COM ATF_REQUIRE(close(fd) != -1); 977836SJohn.Forte@Sun.COM 987836SJohn.Forte@Sun.COM ATF_REQUIRE(linkat(AT_FDCWD, FILE, AT_FDCWD, TARGET, 0) == 0); 997836SJohn.Forte@Sun.COM 1007836SJohn.Forte@Sun.COM ATF_REQUIRE(stat(FILE, &ost) == 0); 1017836SJohn.Forte@Sun.COM ATF_REQUIRE(stat(TARGET, &nst) == 0); 1027836SJohn.Forte@Sun.COM ATF_REQUIRE(ost.st_ino == nst.st_ino); 1037836SJohn.Forte@Sun.COM} 1047836SJohn.Forte@Sun.COM 1057836SJohn.Forte@Sun.COMATF_TC(linkat_fdcwderr); 1067836SJohn.Forte@Sun.COMATF_TC_HEAD(linkat_fdcwderr, tc) 1077836SJohn.Forte@Sun.COM{ 1087836SJohn.Forte@Sun.COM atf_tc_set_md_var(tc, "descr", 1097836SJohn.Forte@Sun.COM "See that linkat fails with fd as AT_FDCWD and bad path"); 1107836SJohn.Forte@Sun.COM} 1117836SJohn.Forte@Sun.COMATF_TC_BODY(linkat_fdcwderr, tc) 1127836SJohn.Forte@Sun.COM{ 1137836SJohn.Forte@Sun.COM int fd; 1147836SJohn.Forte@Sun.COM 1157836SJohn.Forte@Sun.COM ATF_REQUIRE(mkdir(ODIR, 0755) == 0); 1167836SJohn.Forte@Sun.COM ATF_REQUIRE(mkdir(NDIR, 0755) == 0); 1177836SJohn.Forte@Sun.COM ATF_REQUIRE((fd = open(FILE, O_CREAT|O_RDWR, 0644)) != -1); 1187836SJohn.Forte@Sun.COM ATF_REQUIRE(close(fd) != -1); 1197836SJohn.Forte@Sun.COM 1207836SJohn.Forte@Sun.COM ATF_REQUIRE(linkat(AT_FDCWD, FILEERR, AT_FDCWD, TARGET, 0) == -1); 1217836SJohn.Forte@Sun.COM} 1227836SJohn.Forte@Sun.COM 1237836SJohn.Forte@Sun.COMATF_TC(linkat_fderr); 1247836SJohn.Forte@Sun.COMATF_TC_HEAD(linkat_fderr, tc) 1257836SJohn.Forte@Sun.COM{ 1267836SJohn.Forte@Sun.COM atf_tc_set_md_var(tc, "descr", "See that linkat fails with fd as -1"); 1277836SJohn.Forte@Sun.COM} 1287836SJohn.Forte@Sun.COMATF_TC_BODY(linkat_fderr, tc) 1297836SJohn.Forte@Sun.COM{ 1307836SJohn.Forte@Sun.COM int fd; 1317836SJohn.Forte@Sun.COM 1327836SJohn.Forte@Sun.COM ATF_REQUIRE(mkdir(ODIR, 0755) == 0); 1337836SJohn.Forte@Sun.COM ATF_REQUIRE(mkdir(NDIR, 0755) == 0); 1347836SJohn.Forte@Sun.COM ATF_REQUIRE((fd = open(FILE, O_CREAT|O_RDWR, 0644)) != -1); 1357836SJohn.Forte@Sun.COM ATF_REQUIRE(close(fd) != -1); 1367836SJohn.Forte@Sun.COM 1377836SJohn.Forte@Sun.COM ATF_REQUIRE(linkat(-1, FILE, AT_FDCWD, TARGET, 0) == -1); 1387836SJohn.Forte@Sun.COM ATF_REQUIRE(linkat(AT_FDCWD, FILE, -1, TARGET, 0) == -1); 1397836SJohn.Forte@Sun.COM ATF_REQUIRE(linkat(-1, FILE, -1, TARGET, 0) == -1); 1407836SJohn.Forte@Sun.COM} 1417836SJohn.Forte@Sun.COM 1427836SJohn.Forte@Sun.COMATF_TC(linkat_fdlink1); 1437836SJohn.Forte@Sun.COMATF_TC_HEAD(linkat_fdlink1, tc) 1447836SJohn.Forte@Sun.COM{ 1457836SJohn.Forte@Sun.COM atf_tc_set_md_var(tc, "descr", "See that linkat works on symlink target"); 1467836SJohn.Forte@Sun.COM} 1477836SJohn.Forte@Sun.COMATF_TC_BODY(linkat_fdlink1, tc) 1487836SJohn.Forte@Sun.COM{ 1497836SJohn.Forte@Sun.COM int ofd, nfd, fd; 1507836SJohn.Forte@Sun.COM struct stat ost, nst; 1517836SJohn.Forte@Sun.COM 1527836SJohn.Forte@Sun.COM ATF_REQUIRE(mkdir(ODIR, 0755) == 0); 1537836SJohn.Forte@Sun.COM ATF_REQUIRE(mkdir(NDIR, 0755) == 0); 1547836SJohn.Forte@Sun.COM ATF_REQUIRE((fd = open(FILE, O_CREAT|O_RDWR, 0644)) != -1); 1557836SJohn.Forte@Sun.COM ATF_REQUIRE(close(fd) != -1); 1567836SJohn.Forte@Sun.COM ATF_REQUIRE(symlink(RELFILE, LINK) == 0); 1577836SJohn.Forte@Sun.COM 1587836SJohn.Forte@Sun.COM ATF_REQUIRE((ofd = open(ODIR, O_RDONLY, 0)) != -1); 1597836SJohn.Forte@Sun.COM ATF_REQUIRE((nfd = open(NDIR, O_RDONLY, 0)) != -1); 1607836SJohn.Forte@Sun.COM ATF_REQUIRE(linkat(ofd, BASELINK, nfd, BASETARGET, 1617836SJohn.Forte@Sun.COM AT_SYMLINK_FOLLOW) == 0); 1627836SJohn.Forte@Sun.COM ATF_REQUIRE(close(ofd) == 0); 1637836SJohn.Forte@Sun.COM ATF_REQUIRE(close(nfd) == 0); 1647836SJohn.Forte@Sun.COM 1657836SJohn.Forte@Sun.COM ATF_REQUIRE(lstat(LINK, &ost) == 0); 1667836SJohn.Forte@Sun.COM ATF_REQUIRE(lstat(TARGET, &nst) == 0); 1677836SJohn.Forte@Sun.COM ATF_REQUIRE(ost.st_ino != nst.st_ino); 1687836SJohn.Forte@Sun.COM 1697836SJohn.Forte@Sun.COM ATF_REQUIRE(lstat(FILE, &ost) == 0); 1707836SJohn.Forte@Sun.COM ATF_REQUIRE(lstat(TARGET, &nst) == 0); 1717836SJohn.Forte@Sun.COM ATF_REQUIRE(ost.st_ino == nst.st_ino); 1727836SJohn.Forte@Sun.COM} 1737836SJohn.Forte@Sun.COM 1747836SJohn.Forte@Sun.COM 1757836SJohn.Forte@Sun.COMATF_TC(linkat_fdlink2); 1767836SJohn.Forte@Sun.COMATF_TC_HEAD(linkat_fdlink2, tc) 1777836SJohn.Forte@Sun.COM{ 1787836SJohn.Forte@Sun.COM atf_tc_set_md_var(tc, "descr", "See that linkat works on symlink source"); 1797836SJohn.Forte@Sun.COM} 1807836SJohn.Forte@Sun.COMATF_TC_BODY(linkat_fdlink2, tc) 1817836SJohn.Forte@Sun.COM{ 1827836SJohn.Forte@Sun.COM int ofd, nfd, fd; 1837836SJohn.Forte@Sun.COM struct stat ost, nst; 1847836SJohn.Forte@Sun.COM 1857836SJohn.Forte@Sun.COM ATF_REQUIRE(mkdir(ODIR, 0755) == 0); 1867836SJohn.Forte@Sun.COM ATF_REQUIRE(mkdir(NDIR, 0755) == 0); 1877836SJohn.Forte@Sun.COM ATF_REQUIRE((fd = open(FILE, O_CREAT|O_RDWR, 0644)) != -1); 1887836SJohn.Forte@Sun.COM ATF_REQUIRE(close(fd) != -1); 1897836SJohn.Forte@Sun.COM ATF_REQUIRE(symlink(RELFILE, LINK) == 0); 1907836SJohn.Forte@Sun.COM 1917836SJohn.Forte@Sun.COM ATF_REQUIRE((ofd = open(ODIR, O_RDONLY, 0)) != -1); 1927836SJohn.Forte@Sun.COM ATF_REQUIRE((nfd = open(NDIR, O_RDONLY, 0)) != -1); 1937836SJohn.Forte@Sun.COM ATF_REQUIRE(linkat(ofd, BASELINK, nfd, BASETARGET, 0) == 0); 1947836SJohn.Forte@Sun.COM ATF_REQUIRE(close(ofd) == 0); 1957836SJohn.Forte@Sun.COM ATF_REQUIRE(close(nfd) == 0); 1967836SJohn.Forte@Sun.COM 1977836SJohn.Forte@Sun.COM ATF_REQUIRE(lstat(LINK, &ost) == 0); 1987836SJohn.Forte@Sun.COM ATF_REQUIRE(lstat(TARGET, &nst) == 0); 1997836SJohn.Forte@Sun.COM ATF_REQUIRE(ost.st_ino == nst.st_ino); 2007836SJohn.Forte@Sun.COM 2017836SJohn.Forte@Sun.COM ATF_REQUIRE(lstat(FILE, &ost) == 0); 2027836SJohn.Forte@Sun.COM ATF_REQUIRE(lstat(TARGET, &nst) == 0); 2037836SJohn.Forte@Sun.COM ATF_REQUIRE(ost.st_ino != nst.st_ino); 2047836SJohn.Forte@Sun.COM} 2057836SJohn.Forte@Sun.COM 2067836SJohn.Forte@Sun.COMATF_TP_ADD_TCS(tp) 2077836SJohn.Forte@Sun.COM{ 2087836SJohn.Forte@Sun.COM 2097836SJohn.Forte@Sun.COM ATF_TP_ADD_TC(tp, linkat_fd); 2107836SJohn.Forte@Sun.COM ATF_TP_ADD_TC(tp, linkat_fdcwd); 2117836SJohn.Forte@Sun.COM ATF_TP_ADD_TC(tp, linkat_fdcwderr); 2127836SJohn.Forte@Sun.COM ATF_TP_ADD_TC(tp, linkat_fderr); 2137836SJohn.Forte@Sun.COM ATF_TP_ADD_TC(tp, linkat_fdlink1); 2147836SJohn.Forte@Sun.COM ATF_TP_ADD_TC(tp, linkat_fdlink2); 2157836SJohn.Forte@Sun.COM 2167836SJohn.Forte@Sun.COM return atf_no_error(); 2177836SJohn.Forte@Sun.COM} 2187836SJohn.Forte@Sun.COM