diff options
| -rw-r--r-- | source4/ntvfs/posix/pvfs_fsinfo.c | 127 |
1 files changed, 102 insertions, 25 deletions
diff --git a/source4/ntvfs/posix/pvfs_fsinfo.c b/source4/ntvfs/posix/pvfs_fsinfo.c index e1cb2f710d..6ddef98ea0 100644 --- a/source4/ntvfs/posix/pvfs_fsinfo.c +++ b/source4/ntvfs/posix/pvfs_fsinfo.c @@ -31,37 +31,114 @@ NTSTATUS pvfs_fsinfo(struct ntvfs_module_context *ntvfs, struct smbsrv_request *req, union smb_fsinfo *fs) { struct pvfs_state *pvfs = ntvfs->private_data; + uint64_t blocks_free, blocks_total; + uint_t bpunit; struct stat st; + const uint16_t block_size = 512; - if (fs->generic.level != RAW_QFS_GENERIC) { - return ntvfs_map_fsinfo(req, fs, ntvfs); + /* only some levels need the expensive sys_fsusage() call */ + switch (fs->generic.level) { + case RAW_QFS_DSKATTR: + case RAW_QFS_ALLOCATION: + case RAW_QFS_SIZE_INFO: + case RAW_QFS_SIZE_INFORMATION: + case RAW_QFS_FULL_SIZE_INFORMATION: + if (sys_fsusage(pvfs->base_directory, &blocks_free, &blocks_total) == -1) { + return pvfs_map_errno(pvfs, errno); + } + default: + break; } - if (sys_fsusage(pvfs->base_directory, - &fs->generic.out.blocks_free, - &fs->generic.out.blocks_total) == -1) { - return pvfs_map_errno(pvfs, errno); + if (stat(pvfs->base_directory, &st) != 0) { + return NT_STATUS_DISK_CORRUPT_ERROR; } - fs->generic.out.block_size = 512; + /* now fill in the out fields */ + switch (fs->generic.level) { + case RAW_QFS_GENERIC: + return NT_STATUS_INVALID_LEVEL; - if (stat(pvfs->base_directory, &st) != 0) { - return NT_STATUS_DISK_CORRUPT_ERROR; + case RAW_QFS_DSKATTR: + /* we need to scale the sizes to fit */ + for (bpunit=64; bpunit<0x10000; bpunit *= 2) { + if (blocks_total * (double)block_size < bpunit * 512 * 65535.0) { + break; + } + } + fs->dskattr.out.blocks_per_unit = bpunit; + fs->dskattr.out.block_size = block_size; + fs->dskattr.out.units_total = (blocks_total * (double)block_size) / (bpunit * 512); + fs->dskattr.out.units_free = (blocks_free * (double)block_size) / (bpunit * 512); + + /* we must return a maximum of 2G to old DOS systems, or they get very confused */ + if (bpunit > 64 && req->smb_conn->negotiate.protocol <= PROTOCOL_LANMAN2) { + fs->dskattr.out.blocks_per_unit = 64; + fs->dskattr.out.units_total = 0xFFFF; + fs->dskattr.out.units_free = 0xFFFF; + } + return NT_STATUS_OK; + + case RAW_QFS_ALLOCATION: + fs->allocation.out.fs_id = st.st_dev; + fs->allocation.out.total_alloc_units = blocks_total; + fs->allocation.out.avail_alloc_units = blocks_free; + fs->allocation.out.sectors_per_unit = 1; + fs->allocation.out.bytes_per_sector = block_size; + return NT_STATUS_OK; + + case RAW_QFS_VOLUME: + fs->volume.out.serial_number = st.st_ino; + fs->volume.out.volume_name.s = pvfs->share_name; + return NT_STATUS_OK; + + case RAW_QFS_VOLUME_INFO: + case RAW_QFS_VOLUME_INFORMATION: + unix_to_nt_time(&fs->volume_info.out.create_time, st.st_ctime); + fs->volume_info.out.serial_number = st.st_ino; + fs->volume_info.out.volume_name.s = pvfs->share_name; + return NT_STATUS_OK; + + case RAW_QFS_SIZE_INFO: + case RAW_QFS_SIZE_INFORMATION: + fs->size_info.out.total_alloc_units = blocks_total; + fs->size_info.out.avail_alloc_units = blocks_free; + fs->size_info.out.sectors_per_unit = 1; + fs->size_info.out.bytes_per_sector = block_size; + return NT_STATUS_OK; + + case RAW_QFS_DEVICE_INFO: + case RAW_QFS_DEVICE_INFORMATION: + fs->device_info.out.device_type = 0; + fs->device_info.out.characteristics = 0; + return NT_STATUS_OK; + + case RAW_QFS_ATTRIBUTE_INFO: + case RAW_QFS_ATTRIBUTE_INFORMATION: + fs->attribute_info.out.fs_attr = 0; + fs->attribute_info.out.max_file_component_length = 255; + fs->attribute_info.out.fs_type.s = req->tcon->fs_type; + return NT_STATUS_OK; + + case RAW_QFS_QUOTA_INFORMATION: + ZERO_STRUCT(fs->quota_information.out.unknown); + fs->quota_information.out.quota_soft = 0; + fs->quota_information.out.quota_hard = 0; + fs->quota_information.out.quota_flags = 0; + return NT_STATUS_OK; + + case RAW_QFS_FULL_SIZE_INFORMATION: + fs->full_size_information.out.total_alloc_units = blocks_total; + fs->full_size_information.out.call_avail_alloc_units = blocks_free; + fs->full_size_information.out.actual_avail_alloc_units = blocks_free; + fs->full_size_information.out.sectors_per_unit = 1; + fs->full_size_information.out.bytes_per_sector = block_size; + return NT_STATUS_OK; + + case RAW_QFS_OBJECTID_INFORMATION: + ZERO_STRUCT(fs->objectid_information.out); + return NT_STATUS_OK; } - - fs->generic.out.fs_id = st.st_ino; - unix_to_nt_time(&fs->generic.out.create_time, st.st_ctime); - fs->generic.out.serial_number = st.st_ino; - fs->generic.out.fs_attr = 0; - fs->generic.out.max_file_component_length = 255; - fs->generic.out.device_type = 0; - fs->generic.out.device_characteristics = 0; - fs->generic.out.quota_soft = 0; - fs->generic.out.quota_hard = 0; - fs->generic.out.quota_flags = 0; - fs->generic.out.volume_name = talloc_strdup(req, pvfs->share_name); - fs->generic.out.fs_type = req->tcon->fs_type; - ZERO_STRUCT(fs->generic.out.guid); - - return NT_STATUS_OK; + + return NT_STATUS_INVALID_LEVEL; } |