t_pr.c revision 1.10
1 /* $NetBSD: t_pr.c,v 1.10 2017/03/26 18:26:05 maya Exp $ */ 2 3 #include <sys/types.h> 4 #include <sys/mount.h> 5 6 #include <atf-c.h> 7 #include <err.h> 8 #include <errno.h> 9 #include <fcntl.h> 10 #include <stdio.h> 11 #include <unistd.h> 12 #include <string.h> 13 #include <stdlib.h> 14 15 #include <rump/rump.h> 16 #include <rump/rump_syscalls.h> 17 18 #include <miscfs/union/union.h> 19 20 #include "h_macros.h" 21 22 ATF_TC(multilayer); 23 ATF_TC_HEAD(multilayer, tc) 24 { 25 atf_tc_set_md_var(tc, "descr", "mount_union -b twice"); 26 } 27 28 ATF_TC_BODY(multilayer, tc) 29 { 30 struct union_args unionargs; 31 32 rump_init(); 33 34 if (rump_sys_mkdir("/Tunion", 0777) == -1) 35 atf_tc_fail_errno("mkdir mp1"); 36 if (rump_sys_mkdir("/Tunion2", 0777) == -1) 37 atf_tc_fail_errno("mkdir mp2"); 38 if (rump_sys_mkdir("/Tunion2/A", 0777) == -1) 39 atf_tc_fail_errno("mkdir A"); 40 if (rump_sys_mkdir("/Tunion2/B", 0777) == -1) 41 atf_tc_fail_errno("mkdir B"); 42 43 unionargs.target = __UNCONST("/Tunion2/A"); 44 unionargs.mntflags = UNMNT_BELOW; 45 46 if (rump_sys_mount(MOUNT_UNION, "/Tunion", 0, 47 &unionargs, sizeof(unionargs)) == -1) 48 atf_tc_fail_errno("union mount"); 49 50 unionargs.target = __UNCONST("/Tunion2/B"); 51 unionargs.mntflags = UNMNT_BELOW; 52 53 rump_sys_mount(MOUNT_UNION, "/Tunion", 0,&unionargs,sizeof(unionargs)); 54 } 55 56 ATF_TC(multilayer2); 57 ATF_TC_HEAD(multilayer2, tc) 58 { 59 atf_tc_set_md_var(tc, "descr", "mount_union twice then unmount"); 60 } 61 62 ATF_TC_BODY(multilayer2, tc) 63 { 64 struct union_args unionargs; 65 66 rump_init(); 67 68 if (rump_sys_mkdir("/Tunion", 0777) == -1) 69 atf_tc_fail_errno("mkdir mp1"); 70 if (rump_sys_mkdir("/Tunion2", 0777) == -1) 71 atf_tc_fail_errno("mkdir mp2"); 72 if (rump_sys_mkdir("/Tunion2/A", 0777) == -1) 73 atf_tc_fail_errno("mkdir A"); 74 if (rump_sys_mkdir("/Tunion2/B", 0777) == -1) 75 atf_tc_fail_errno("mkdir B"); 76 77 unionargs.target = __UNCONST("/Tunion2/A"); 78 unionargs.mntflags = UNMNT_ABOVE; 79 80 if (rump_sys_mount(MOUNT_UNION, "/Tunion", 0, 81 &unionargs, sizeof(unionargs)) == -1) 82 atf_tc_fail_errno("union mount"); 83 if (rump_sys_mkdir("/Tunion2/A/A", 0777) == -1) 84 atf_tc_fail_errno("mkdir A/A"); 85 86 unionargs.target = __UNCONST("/Tunion2/A/A"); 87 unionargs.mntflags = UNMNT_ABOVE; 88 89 rump_sys_mount(MOUNT_UNION, "/Tunion", 0,&unionargs,sizeof(unionargs)); 90 91 rump_sys_unmount("/Tunion/A", 0); 92 } 93 94 ATF_TC(cyclic); 95 ATF_TC_HEAD(cyclic, tc) 96 { 97 atf_tc_set_md_var(tc, "descr", "cyclic mount_union"); 98 } 99 100 ATF_TC_BODY(cyclic, tc) 101 { 102 struct union_args unionargs; 103 104 rump_init(); 105 106 if (rump_sys_mkdir("/Tunion", 0777) == -1) 107 atf_tc_fail_errno("mkdir mp1"); 108 if (rump_sys_mkdir("/Tunion/A", 0777) == -1) 109 atf_tc_fail_errno("mkdir mp2"); 110 111 unionargs.target = __UNCONST("/Tunion/A"); 112 unionargs.mntflags = UNMNT_ABOVE; 113 114 if (rump_sys_mount(MOUNT_UNION, "/Tunion/A", 0, 115 &unionargs, sizeof(unionargs)) == -1) 116 atf_tc_fail_errno("union mount"); 117 118 if (rump_sys_mkdir("/Tunion/A/A", 0777) == -1) 119 atf_tc_fail_errno("mkdir failed"); 120 } 121 122 ATF_TC(cyclic2); 123 ATF_TC_HEAD(cyclic2, tc) 124 { 125 atf_tc_set_md_var(tc, "descr", "cyclic mount_union"); 126 } 127 128 ATF_TC_BODY(cyclic2, tc) 129 { 130 struct union_args unionargs; 131 132 rump_init(); 133 134 if (rump_sys_mkdir("/Tunion", 0777) == -1) 135 atf_tc_fail_errno("mkdir mp1"); 136 if (rump_sys_mkdir("/Tunion/A", 0777) == -1) 137 atf_tc_fail_errno("mkdir mp2"); 138 if (rump_sys_mkdir("/Tunion/B", 0777) == -1) 139 atf_tc_fail_errno("mkdir mp3"); 140 141 unionargs.target = __UNCONST("/Tunion/A"); 142 unionargs.mntflags = UNMNT_ABOVE; 143 144 if (rump_sys_mount(MOUNT_UNION, "/Tunion/B", 0, 145 &unionargs, sizeof(unionargs)) == -1) 146 atf_tc_fail_errno("union mount"); 147 148 unionargs.target = __UNCONST("/Tunion/B"); 149 unionargs.mntflags = UNMNT_ABOVE; 150 151 if (rump_sys_mount(MOUNT_UNION, "/Tunion/A", 0, 152 &unionargs, sizeof(unionargs)) == -1) 153 atf_tc_fail_errno("union mount2"); 154 155 if (rump_sys_mkdir("/Tunion/A/A", 0777) == -1) 156 atf_tc_fail_errno("mkdir failed"); 157 } 158 159 ATF_TC(devnull1); 160 ATF_TC_HEAD(devnull1, tc) 161 { 162 atf_tc_set_md_var(tc, "descr", "mount_union -b and " 163 "'echo x > /un/null'"); 164 } 165 166 ATF_TC_BODY(devnull1, tc) 167 { 168 struct union_args unionargs; 169 int fd, res; 170 171 rump_init(); 172 173 if (rump_sys_mkdir("/mp", 0777) == -1) 174 atf_tc_fail_errno("mkdir mp"); 175 176 unionargs.target = __UNCONST("/dev"); 177 unionargs.mntflags = UNMNT_BELOW; 178 179 if (rump_sys_mount(MOUNT_UNION, "/mp", 0, 180 &unionargs, sizeof(unionargs)) == -1) 181 atf_tc_fail_errno("union mount"); 182 183 fd = rump_sys_open("/mp/null", O_WRONLY | O_CREAT | O_TRUNC); 184 185 if (fd == -1) 186 atf_tc_fail_errno("open"); 187 188 res = rump_sys_write(fd, &fd, sizeof(fd)); 189 if (res != sizeof(fd)) 190 atf_tc_fail("write"); 191 } 192 193 ATF_TC(devnull2); 194 ATF_TC_HEAD(devnull2, tc) 195 { 196 atf_tc_set_md_var(tc, "descr", "mount_union -b and " 197 "'echo x >> /un/null'"); 198 } 199 200 ATF_TC_BODY(devnull2, tc) 201 { 202 struct union_args unionargs; 203 int fd, res; 204 205 rump_init(); 206 207 if (rump_sys_mkdir("/mp", 0777) == -1) 208 atf_tc_fail_errno("mkdir mp"); 209 210 unionargs.target = __UNCONST("/dev"); 211 unionargs.mntflags = UNMNT_BELOW; 212 213 if (rump_sys_mount(MOUNT_UNION, "/mp", 0, 214 &unionargs, sizeof(unionargs)) == -1) 215 atf_tc_fail_errno("union mount"); 216 217 fd = rump_sys_open("/mp/null", O_WRONLY | O_CREAT | O_APPEND); 218 if (fd == -1) 219 atf_tc_fail_errno("open"); 220 221 res = rump_sys_write(fd, &fd, sizeof(fd)); 222 if (res != sizeof(fd)) 223 atf_tc_fail("write"); 224 } 225 226 ATF_TP_ADD_TCS(tp) 227 { 228 ATF_TP_ADD_TC(tp, multilayer); 229 ATF_TP_ADD_TC(tp, multilayer2); 230 ATF_TP_ADD_TC(tp, cyclic); 231 ATF_TP_ADD_TC(tp, cyclic2); 232 ATF_TP_ADD_TC(tp, devnull1); 233 ATF_TP_ADD_TC(tp, devnull2); 234 235 return atf_no_error(); 236 } 237
Indexes created Thu Oct 02 14:10:14 GMT 2025