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/* SPDX-License-Identifier: LGPL-2.1-or-later */
#include "filesystems-gperf.h"
#include "stat-util.h"
const char *fs_type_to_string(statfs_f_type_t magic) {
switch (magic) {
#include "filesystem-switch-case.h"
}
return NULL;
}
int fs_type_from_string(const char *name, const statfs_f_type_t **ret) {
const struct FilesystemMagic *fs_magic;
assert(name);
assert(ret);
fs_magic = filesystems_gperf_lookup(name, strlen(name));
if (!fs_magic)
return -EINVAL;
*ret = fs_magic->magic;
return 0;
}
int fs_in_group(const struct statfs *s, FilesystemGroups fs_group) {
const char *fs;
int r;
NULSTR_FOREACH(fs, filesystem_sets[fs_group].value) {
const statfs_f_type_t *magic;
r = fs_type_from_string(fs, &magic);
if (r == 0) {
for (size_t i = 0; i < FILESYSTEM_MAGIC_MAX; i++) {
if (magic[i] == 0)
break;
if (is_fs_type(s, magic[i]))
return true;
}
}
}
return false;
}
const FilesystemSet filesystem_sets[_FILESYSTEM_SET_MAX] = {
[FILESYSTEM_SET_BASIC_API] = {
.name = "@basic-api",
.help = "Basic filesystem API",
.value =
"cgroup\0"
"cgroup2\0"
"devpts\0"
"devtmpfs\0"
"mqueue\0"
"proc\0"
"sysfs\0"
},
[FILESYSTEM_SET_ANONYMOUS] = {
.name = "@anonymous",
.help = "Anonymous inodes",
.value =
"anon_inodefs\0"
"pipefs\0"
"sockfs\0"
},
[FILESYSTEM_SET_APPLICATION] = {
.name = "@application",
.help = "Application virtual filesystems",
.value =
"autofs\0"
"fuse\0"
"overlay\0"
},
[FILESYSTEM_SET_AUXILIARY_API] = {
.name = "@auxiliary-api",
.help = "Auxiliary filesystem API",
.value =
"binfmt_misc\0"
"configfs\0"
"efivarfs\0"
"fusectl\0"
"hugetlbfs\0"
"rpc_pipefs\0"
"securityfs\0"
},
[FILESYSTEM_SET_COMMON_BLOCK] = {
.name = "@common-block",
.help = "Common block device filesystems",
.value =
"btrfs\0"
"erofs\0"
"exfat\0"
"ext4\0"
"f2fs\0"
"iso9660\0"
"ntfs3\0"
"squashfs\0"
"udf\0"
"vfat\0"
"xfs\0"
},
[FILESYSTEM_SET_HISTORICAL_BLOCK] = {
.name = "@historical-block",
.help = "Historical block device filesystems",
.value =
"ext2\0"
"ext3\0"
"minix\0"
},
[FILESYSTEM_SET_NETWORK] = {
.name = "@network",
.help = "Well-known network filesystems",
.value =
"afs\0"
"ceph\0"
"cifs\0"
"gfs\0"
"gfs2\0"
"ncp\0"
"ncpfs\0"
"nfs\0"
"nfs4\0"
"ocfs2\0"
"orangefs\0"
"pvfs2\0"
"smb3\0"
"smbfs\0"
},
[FILESYSTEM_SET_PRIVILEGED_API] = {
.name = "@privileged-api",
.help = "Privileged filesystem API",
.value =
"bpf\0"
"debugfs\0"
"pstore\0"
"tracefs\0"
},
[FILESYSTEM_SET_SECURITY] = {
.name = "@security",
.help = "Security/MAC API VFS",
.value =
"apparmorfs\0"
"selinuxfs\0"
"smackfs\0"
},
[FILESYSTEM_SET_TEMPORARY] = {
.name = "@temporary",
.help = "Temporary filesystems",
.value =
"ramfs\0"
"tmpfs\0"
},
[FILESYSTEM_SET_KNOWN] = {
.name = "@known",
.help = "All known filesystems declared in the kernel",
.value =
#include "filesystem-list.h"
},
};
const FilesystemSet *filesystem_set_find(const char *name) {
if (isempty(name) || name[0] != '@')
return NULL;
for (FilesystemGroups i = 0; i < _FILESYSTEM_SET_MAX; i++)
if (streq(filesystem_sets[i].name, name))
return filesystem_sets + i;
return NULL;
}
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