-
Notifications
You must be signed in to change notification settings - Fork 2
/
Copy pathmount_predicate.go
250 lines (239 loc) · 11.5 KB
/
mount_predicate.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
package find
import (
"errors"
"fmt"
"os"
"syscall"
)
//nolint:revive,deadcode
const (
// man statfs
ADFS_SUPER_MAGIC = 0xadf5
AFFS_SUPER_MAGIC = 0xADFF
AUTOFS_SUPER_MAGIC = 0x0187
BDEVFS_MAGIC = 0x62646576
BEFS_SUPER_MAGIC = 0x42465331
BFS_MAGIC = 0x1BADFACE
BINFMTFS_MAGIC = 0x42494e4d
BPF_FS_MAGIC = 0xcafe4a11
BTRFS_SUPER_MAGIC = 0x9123683E
CGROUP_SUPER_MAGIC = 0x27e0eb
CGROUP2_SUPER_MAGIC = 0x63677270
CIFS_MAGIC_NUMBER = 0xFF534D42
CODA_SUPER_MAGIC = 0x73757245
COH_SUPER_MAGIC = 0x012FF7B7
CONFIGFS_MAGIC = 0x62656570
CRAMFS_MAGIC = 0x28cd3d45
DEBUGFS_MAGIC = 0x64626720
DEVFS_SUPER_MAGIC = 0x1373
DEVPTS_SUPER_MAGIC = 0x1cd1
EFIVARFS_MAGIC = 0xde5e81e4
EFS_SUPER_MAGIC = 0x00414A53
EXT_SUPER_MAGIC = 0x137D
EXT2_OLD_SUPER_MAGIC = 0xEF51
EXT2_SUPER_MAGIC = 0xEF53
EXT3_SUPER_MAGIC = 0xEF53
EXT4_SUPER_MAGIC = 0xEF53
FUSE_SUPER_MAGIC = 0x65735546
FUTEXFS_SUPER_MAGIC = 0xBAD1DEA
HFS_SUPER_MAGIC = 0x4244
HFSPLUS_SUPER_MAGIC = 0x482b
HOSTFS_SUPER_MAGIC = 0x00c0ffee
HPFS_SUPER_MAGIC = 0xF995E849
HUGETLBFS_MAGIC = 0x958458f6
ISOFS_SUPER_MAGIC = 0x9660
JFFS2_SUPER_MAGIC = 0x72b6
JFS_SUPER_MAGIC = 0x3153464a
MINIX_SUPER_MAGIC = 0x137F /* orig. minix */
MINIX_SUPER_MAGIC2 = 0x138F /* 30 char minix */
MINIX2_SUPER_MAGIC = 0x2468 /* minix V2 */
MINIX2_SUPER_MAGIC2 = 0x2478 /* minix V2, 30 char names */
MINIX3_SUPER_MAGIC = 0x4d5a /* minix V3 fs, 60 char names */
MQUEUE_MAGIC = 0x19800202
MSDOS_SUPER_MAGIC = 0x4d44
NCP_SUPER_MAGIC = 0x564c
NFS_SUPER_MAGIC = 0x6969
NILFS_SUPER_MAGIC = 0x3434
NTFS_SB_MAGIC = 0x5346544e
OCFS2_SUPER_MAGIC = 0x7461636f
OPENPROM_SUPER_MAGIC = 0x9fa1
PIPEFS_MAGIC = 0x50495045
PROC_SUPER_MAGIC = 0x9fa0
PSTOREFS_MAGIC = 0x6165676C
QNX4_SUPER_MAGIC = 0x002f
QNX6_SUPER_MAGIC = 0x68191122
RAMFS_MAGIC = 0x858458f6
REISERFS_SUPER_MAGIC = 0x52654973
ROMFS_MAGIC = 0x7275
SELINUX_MAGIC = 0xf97cff8c
SMACK_MAGIC = 0x43415d53
SMB_SUPER_MAGIC = 0x517B
SMB2_MAGIC_NUMBER = 0xfe534d42
SOCKFS_MAGIC = 0x534F434B
SQUASHFS_MAGIC = 0x73717368
SYSFS_MAGIC = 0x62656572
SYSV2_SUPER_MAGIC = 0x012FF7B6
SYSV4_SUPER_MAGIC = 0x012FF7B5
TMPFS_MAGIC = 0x01021994
TRACEFS_MAGIC = 0x74726163
UDF_SUPER_MAGIC = 0x15013346
UFS_MAGIC = 0x00011954
USBDEVICE_SUPER_MAGIC = 0x9fa2
V9FS_MAGIC = 0x01021997
VXFS_SUPER_MAGIC = 0xa501FCF5
XENFS_SUPER_MAGIC = 0xabba1974
XENIX_SUPER_MAGIC = 0x012FF7B4
XFS_SUPER_MAGIC = 0x58465342
_XIAFS_SUPER_MAGIC = 0x012FD16D
AFS_SUPER_MAGIC = 0x5346414F
AUFS_SUPER_MAGIC = 0x61756673
ANON_INODE_FS_SUPER_MAGIC = 0x09041934
CEPH_SUPER_MAGIC = 0x00C36400
ECRYPTFS_SUPER_MAGIC = 0xF15F
FAT_SUPER_MAGIC = 0x4006
FHGFS_SUPER_MAGIC = 0x19830326
FUSEBLK_SUPER_MAGIC = 0x65735546
FUSECTL_SUPER_MAGIC = 0x65735543
GFS_SUPER_MAGIC = 0x1161970
GPFS_SUPER_MAGIC = 0x47504653
MTD_INODE_FS_SUPER_MAGIC = 0x11307854
INOTIFYFS_SUPER_MAGIC = 0x2BAD1DEA
ISOFS_R_WIN_SUPER_MAGIC = 0x4004
ISOFS_WIN_SUPER_MAGIC = 0x4000
JFFS_SUPER_MAGIC = 0x07C0
KAFS_SUPER_MAGIC = 0x6B414653
LUSTRE_SUPER_MAGIC = 0x0BD00BD0
NFSD_SUPER_MAGIC = 0x6E667364
PANFS_SUPER_MAGIC = 0xAAD7AAEA
RPC_PIPEFS_SUPER_MAGIC = 0x67596969
SECURITYFS_SUPER_MAGIC = 0x73636673
UFS_BYTESWAPPED_SUPER_MAGIC = 0x54190100
VMHGFS_SUPER_MAGIC = 0xBACBACBC
VZFS_SUPER_MAGIC = 0x565A4653
ZFS_SUPER_MAGIC = 0x2FC12FC1
)
// coreutils/src/stat.c
var FsTypeMap = map[int64]string{
ADFS_SUPER_MAGIC: "adfs", /* 0xADF5 local */
AFFS_SUPER_MAGIC: "affs", /* 0xADFF local */
AFS_SUPER_MAGIC: "afs", /* 0x5346414F remote */
ANON_INODE_FS_SUPER_MAGIC: "anon-inode FS", /* 0x09041934 local */
AUFS_SUPER_MAGIC: "aufs", /* 0x61756673 remote */
AUTOFS_SUPER_MAGIC: "autofs", /* 0x0187 local */
BEFS_SUPER_MAGIC: "befs", /* 0x42465331 local */
BDEVFS_MAGIC: "bdevfs", /* 0x62646576 local */
BFS_MAGIC: "bfs", /* 0x1BADFACE local */
BINFMTFS_MAGIC: "binfmt_misc", /* 0x42494E4D local */
BTRFS_SUPER_MAGIC: "btrfs", /* 0x9123683E local */
CEPH_SUPER_MAGIC: "ceph", /* 0x00C36400 remote */
CGROUP_SUPER_MAGIC: "cgroupfs", /* 0x0027E0EB local */
CIFS_MAGIC_NUMBER: "cifs", /* 0xFF534D42 remote */
CODA_SUPER_MAGIC: "coda", /* 0x73757245 remote */
COH_SUPER_MAGIC: "coh", /* 0x012FF7B7 local */
CRAMFS_MAGIC: "cramfs", /* 0x28CD3D45 local */
DEBUGFS_MAGIC: "debugfs", /* 0x64626720 local */
DEVFS_SUPER_MAGIC: "devfs", /* 0x1373 local */
DEVPTS_SUPER_MAGIC: "devpts", /* 0x1CD1 local */
ECRYPTFS_SUPER_MAGIC: "ecryptfs", /* 0xF15F local */
EFS_SUPER_MAGIC: "efs", /* 0x00414A53 local */
EXT_SUPER_MAGIC: "ext", /* 0x137D local */
EXT2_SUPER_MAGIC: "ext2/ext3", /* 0xEF53 local */
EXT2_OLD_SUPER_MAGIC: "ext2", /* 0xEF51 local */
FAT_SUPER_MAGIC: "fat", /* 0x4006 local */
FHGFS_SUPER_MAGIC: "fhgfs", /* 0x19830326 remote */
FUSEBLK_SUPER_MAGIC: "fuseblk", /* 0x65735546 remote */
FUSECTL_SUPER_MAGIC: "fusectl", /* 0x65735543 remote */
FUTEXFS_SUPER_MAGIC: "futexfs", /* 0x0BAD1DEA local */
GFS_SUPER_MAGIC: "gfs/gfs2", /* 0x1161970 remote */
GPFS_SUPER_MAGIC: "gpfs", /* 0x47504653 remote */
HFS_SUPER_MAGIC: "hfs", /* 0x4244 local */
HFSPLUS_SUPER_MAGIC: "hfsplus", /* 0x482b local */
HPFS_SUPER_MAGIC: "hpfs", /* 0xF995E849 local */
HUGETLBFS_MAGIC: "hugetlbfs", /* 0x958458F6 local */
MTD_INODE_FS_SUPER_MAGIC: "inodefs", /* 0x11307854 local */
INOTIFYFS_SUPER_MAGIC: "inotifyfs", /* 0x2BAD1DEA local */
ISOFS_SUPER_MAGIC: "isofs", /* 0x9660 local */
ISOFS_R_WIN_SUPER_MAGIC: "isofs", /* 0x4004 local */
ISOFS_WIN_SUPER_MAGIC: "isofs", /* 0x4000 local */
JFFS_SUPER_MAGIC: "jffs", /* 0x07C0 local */
JFFS2_SUPER_MAGIC: "jffs2", /* 0x72B6 local */
JFS_SUPER_MAGIC: "jfs", /* 0x3153464A local */
KAFS_SUPER_MAGIC: "k-afs", /* 0x6B414653 remote */
LUSTRE_SUPER_MAGIC: "lustre", /* 0x0BD00BD0 remote */
MINIX_SUPER_MAGIC: "minix", /* 0x137F local */
MINIX_SUPER_MAGIC2: "minix (30 char.)", /* 0x138F local */
MINIX2_SUPER_MAGIC: "minix v2", /* 0x2468 local */
MINIX2_SUPER_MAGIC2: "minix v2 (30 char.)", /* 0x2478 local */
MINIX3_SUPER_MAGIC: "minix3", /* 0x4D5A local */
MQUEUE_MAGIC: "mqueue", /* 0x19800202 local */
MSDOS_SUPER_MAGIC: "msdos", /* 0x4D44 local */
NCP_SUPER_MAGIC: "novell", /* 0x564C remote */
NFS_SUPER_MAGIC: "nfs", /* 0x6969 remote */
NFSD_SUPER_MAGIC: "nfsd", /* 0x6E667364 remote */
NILFS_SUPER_MAGIC: "nilfs", /* 0x3434 local */
NTFS_SB_MAGIC: "ntfs", /* 0x5346544E local */
OPENPROM_SUPER_MAGIC: "openprom", /* 0x9FA1 local */
OCFS2_SUPER_MAGIC: "ocfs2", /* 0x7461636f remote */
PANFS_SUPER_MAGIC: "panfs", /* 0xAAD7AAEA remote */
PIPEFS_MAGIC: "pipefs", /* 0x50495045 remote */
PROC_SUPER_MAGIC: "proc", /* 0x9FA0 local */
PSTOREFS_MAGIC: "pstorefs", /* 0x6165676C local */
QNX4_SUPER_MAGIC: "qnx4", /* 0x002F local */
QNX6_SUPER_MAGIC: "qnx6", /* 0x68191122 local */
RAMFS_MAGIC: "ramfs", /* 0x858458F6 local */
REISERFS_SUPER_MAGIC: "reiserfs", /* 0x52654973 local */
ROMFS_MAGIC: "romfs", /* 0x7275 local */
RPC_PIPEFS_SUPER_MAGIC: "rpc_pipefs", /* 0x67596969 local */
SECURITYFS_SUPER_MAGIC: "securityfs", /* 0x73636673 local */
SELINUX_MAGIC: "selinux", /* 0xF97CFF8C local */
SMB_SUPER_MAGIC: "smb", /* 0x517B remote */
SMB2_MAGIC_NUMBER: "smb2", /* 0xfe534d42 remote */
SOCKFS_MAGIC: "sockfs", /* 0x534F434B local */
SQUASHFS_MAGIC: "squashfs", /* 0x73717368 local */
SYSFS_MAGIC: "sysfs", /* 0x62656572 local */
SYSV2_SUPER_MAGIC: "sysv2", /* 0x012FF7B6 local */
SYSV4_SUPER_MAGIC: "sysv4", /* 0x012FF7B5 local */
TMPFS_MAGIC: "tmpfs", /* 0x01021994 local */
UDF_SUPER_MAGIC: "udf", /* 0x15013346 local */
UFS_MAGIC: "ufs", /* 0x00011954 local */
UFS_BYTESWAPPED_SUPER_MAGIC: "ufs", /* 0x54190100 local */
USBDEVICE_SUPER_MAGIC: "usbdevfs", /* 0x9FA2 local */
V9FS_MAGIC: "v9fs", /* 0x01021997 local */
VMHGFS_SUPER_MAGIC: "vmhgfs", /* 0xBACBACBC remote */
VXFS_SUPER_MAGIC: "vxfs", /* 0xA501FCF5 local */
VZFS_SUPER_MAGIC: "vzfs", /* 0x565A4653 local */
XENFS_SUPER_MAGIC: "xenfs", /* 0xABBA1974 local */
XENIX_SUPER_MAGIC: "xenix", /* 0x012FF7B4 local */
XFS_SUPER_MAGIC: "xfs", /* 0x58465342 local */
_XIAFS_SUPER_MAGIC: "xia", /* 0x012FD16D local */
ZFS_SUPER_MAGIC: "zfs", /* 0x2FC12FC1 local */
}
var ErrorFSType error = errors.New("filesystem type")
type mountPredicate struct {
path []string
fsType []string
}
func (p *mountPredicate) Match(_ string, path string) (bool, error) {
fsType := getFileSystemType(path)
for _, t := range p.fsType {
for _, fst := range fsType {
if t == fst {
return true, nil
}
}
}
return false, PredicateError{errType: ErrorFSType, errMessage: "no such filesystem"}
}
func getFileSystemType(paths ...string) []string {
var fsTypes []string
for _, path := range paths {
var stat syscall.Statfs_t
err := syscall.Statfs(path, &stat)
if err != nil {
fmt.Fprintf(os.Stderr, "state failed: %v\n", err)
continue
}
fsTypes = append(fsTypes, FsTypeMap[stat.Type])
}
return fsTypes
}