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Commit | Line | Data |
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c8e94d4b TL |
1 | package PVE::Syscall; |
2 | ||
967e9823 TL |
3 | use strict; |
4 | use warnings; | |
5 | ||
c8e94d4b | 6 | my %syscalls; |
5569cc16 | 7 | my %fsmount_constants; |
c8e94d4b TL |
8 | BEGIN { |
9 | die "syscall.ph can only be required once!\n" if $INC{'syscall.ph'}; | |
10 | require("syscall.ph"); | |
11 | %syscalls = ( | |
12 | unshare => &SYS_unshare, | |
13 | setns => &SYS_setns, | |
14 | syncfs => &SYS_syncfs, | |
cee0e23a | 15 | fsync => &SYS_fsync, |
c8e94d4b TL |
16 | openat => &SYS_openat, |
17 | close => &SYS_close, | |
18 | mkdirat => &SYS_mkdirat, | |
b792e8df | 19 | mknod => &SYS_mknod, |
c8e94d4b | 20 | faccessat => &SYS_faccessat, |
0c078e66 | 21 | setresuid => &SYS_setresuid, |
6cf6b404 | 22 | fchownat => &SYS_fchownat, |
5569cc16 | 23 | mount => &SYS_mount, |
bd9eb367 | 24 | renameat2 => &SYS_renameat2, |
bfa10639 TL |
25 | open_tree => &SYS_open_tree, |
26 | move_mount => &SYS_move_mount, | |
27 | fsopen => &SYS_fsopen, | |
28 | fsconfig => &SYS_fsconfig, | |
29 | fsmount => &SYS_fsmount, | |
30 | fspick => &SYS_fspick, | |
4c0c5c90 TL |
31 | getxattr => &SYS_getxattr, |
32 | setxattr => &SYS_setxattr, | |
33 | fgetxattr => &SYS_fgetxattr, | |
34 | fsetxattr => &SYS_fsetxattr, | |
bfa10639 TL |
35 | |
36 | # Below aren't yet in perl's syscall.ph but use asm-generic, so the same across (sane) archs | |
37 | # -> none unknown currently, yay | |
5569cc16 WB |
38 | ); |
39 | ||
40 | %fsmount_constants = ( | |
41 | OPEN_TREE_CLONE => 0x0000_0001, | |
42 | OPEN_TREE_CLOEXEC => 000200_0000, # octal! | |
43 | ||
44 | MOVE_MOUNT_F_SYMLINKS => 0x0000_0001, | |
45 | MOVE_MOUNT_F_AUTOMOUNTS => 0x0000_0002, | |
46 | MOVE_MOUNT_F_EMPTY_PATH => 0x0000_0004, | |
47 | MOVE_MOUNT_F_MASK => 0x0000_0007, | |
48 | ||
49 | MOVE_MOUNT_T_SYMLINKS => 0x0000_0010, | |
50 | MOVE_MOUNT_T_AUTOMOUNTS => 0x0000_0020, | |
51 | MOVE_MOUNT_T_EMPTY_PATH => 0x0000_0040, | |
52 | MOVE_MOUNT_T_MASK => 0x0000_0070, | |
53 | ||
54 | FSMOUNT_CLOEXEC => 0x0000_0001, | |
55 | ||
56 | FSOPEN_CLOEXEC => 0x0000_0001, | |
57 | ||
58 | MOUNT_ATTR_RDONLY => 0x0000_0001, | |
59 | MOUNT_ATTR_NOSUID => 0x0000_0002, | |
60 | MOUNT_ATTR_NODEV => 0x0000_0004, | |
61 | MOUNT_ATTR_NOEXEC => 0x0000_0008, | |
62 | MOUNT_ATTR_RELATIME => 0x0000_0000, | |
63 | MOUNT_ATTR_NOATIME => 0x0000_0010, | |
64 | MOUNT_ATTR_STRICTATIME => 0x0000_0020, | |
65 | MOUNT_ATTR_NODIRATIME => 0x0000_0080, | |
66 | ||
67 | FSPICK_CLOEXEC => 0x0000_0001, | |
68 | FSPICK_SYMLINK_NOFOLLOW => 0x0000_0002, | |
69 | FSPICK_NO_AUTOMOUNT => 0x0000_0004, | |
70 | FSPICK_EMPTY_PATH => 0x0000_0008, | |
71 | ||
72 | FSCONFIG_SET_FLAG => 0, | |
73 | FSCONFIG_SET_STRING => 1, | |
74 | FSCONFIG_SET_BINARY => 2, | |
75 | FSCONFIG_SET_PATH => 3, | |
76 | FSCONFIG_SET_PATH_EMPTY => 4, | |
77 | FSCONFIG_SET_FD => 5, | |
78 | FSCONFIG_CMD_CREATE => 6, | |
79 | FSCONFIG_CMD_RECONFIGURE => 7, | |
c8e94d4b TL |
80 | ); |
81 | }; | |
82 | ||
83 | use constant \%syscalls; | |
5569cc16 | 84 | use constant \%fsmount_constants; |
c8e94d4b TL |
85 | |
86 | use base 'Exporter'; | |
87 | ||
5569cc16 WB |
88 | our @EXPORT_OK = (keys(%syscalls), keys(%fsmount_constants), 'file_handle_result'); |
89 | our %EXPORT_TAGS = (fsmount => [keys(%fsmount_constants)]); | |
90 | ||
91 | # Create a file handle from a numeric file descriptor (to make sure it's close()d when it goes out | |
92 | # of scope). | |
93 | sub file_handle_result($) { | |
94 | my ($fd_num) = @_; | |
95 | return undef if $fd_num < 0; | |
96 | ||
97 | open(my $fh, '<&=', $fd_num) | |
98 | or return undef; | |
99 | ||
100 | return $fh; | |
101 | } | |
88c2babd WB |
102 | |
103 | 1; |