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/*
Unix SMB/CIFS implementation.
POSIX NTVFS backend - read
Copyright (C) Andrew Tridgell 2004
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "includes.h"
#include "vfs_posix.h"
#include "librpc/gen_ndr/ndr_xattr.h"
/*
reply to a RAW_FILEINFO_EA_LIST call
*/
static NTSTATUS pvfs_query_ea_list(struct pvfs_state *pvfs, TALLOC_CTX *mem_ctx,
struct pvfs_filename *name, int fd,
uint_t num_names,
struct ea_name *names,
struct smb_ea_list *eas)
{
NTSTATUS status;
int i;
struct xattr_DosEAs *ealist = talloc_p(mem_ctx, struct xattr_DosEAs);
ZERO_STRUCTP(eas);
status = pvfs_doseas_load(pvfs, name, fd, ealist);
if (!NT_STATUS_IS_OK(status)) {
return status;
}
eas->eas = talloc_array_p(mem_ctx, struct ea_struct, num_names);
if (eas->eas == NULL) {
return NT_STATUS_NO_MEMORY;
}
eas->num_eas = num_names;
for (i=0;i<num_names;i++) {
int j;
eas->eas[i].flags = 0;
eas->eas[i].name.s = names[i].name.s;
eas->eas[i].value = data_blob(NULL, 0);
for (j=0;j<ealist->num_eas;j++) {
if (StrCaseCmp(eas->eas[i].name.s,
ealist->eas[j].name) == 0) {
eas->eas[i].value = ealist->eas[j].value;
break;
}
}
}
return NT_STATUS_OK;
}
/*
reply to a RAW_FILEINFO_ALL_EAS call
*/
static NTSTATUS pvfs_query_all_eas(struct pvfs_state *pvfs, TALLOC_CTX *mem_ctx,
struct pvfs_filename *name, int fd,
struct smb_ea_list *eas)
{
NTSTATUS status;
int i;
struct xattr_DosEAs *ealist = talloc_p(mem_ctx, struct xattr_DosEAs);
ZERO_STRUCTP(eas);
status = pvfs_doseas_load(pvfs, name, fd, ealist);
if (!NT_STATUS_IS_OK(status)) {
return status;
}
eas->eas = talloc_array_p(mem_ctx, struct ea_struct, ealist->num_eas);
if (eas->eas == NULL) {
return NT_STATUS_NO_MEMORY;
}
eas->num_eas = 0;
for (i=0;i<ealist->num_eas;i++) {
eas->eas[eas->num_eas].flags = 0;
eas->eas[eas->num_eas].name.s = ealist->eas[i].name;
eas->eas[eas->num_eas].value = ealist->eas[i].value;
eas->num_eas++;
}
return NT_STATUS_OK;
}
/*
approximately map a struct pvfs_filename to a generic fileinfo struct
*/
static NTSTATUS pvfs_map_fileinfo(struct pvfs_state *pvfs,
struct smbsrv_request *req,
struct pvfs_filename *name, union smb_fileinfo *info,
int fd)
{
switch (info->generic.level) {
case RAW_FILEINFO_GENERIC:
return NT_STATUS_INVALID_LEVEL;
case RAW_FILEINFO_GETATTR:
info->getattr.out.attrib = name->dos.attrib;
info->getattr.out.size = name->st.st_size;
info->getattr.out.write_time = nt_time_to_unix(name->dos.write_time);
return NT_STATUS_OK;
case RAW_FILEINFO_GETATTRE:
case RAW_FILEINFO_STANDARD:
info->standard.out.create_time = nt_time_to_unix(name->dos.create_time);
info->standard.out.access_time = nt_time_to_unix(name->dos.access_time);
info->standard.out.write_time = nt_time_to_unix(name->dos.write_time);
info->standard.out.size = name->st.st_size;
info->standard.out.alloc_size = name->dos.alloc_size;
info->standard.out.attrib = name->dos.attrib;
return NT_STATUS_OK;
case RAW_FILEINFO_EA_SIZE:
info->ea_size.out.create_time = nt_time_to_unix(name->dos.create_time);
info->ea_size.out.access_time = nt_time_to_unix(name->dos.access_time);
info->ea_size.out.write_time = nt_time_to_unix(name->dos.write_time);
info->ea_size.out.size = name->st.st_size;
info->ea_size.out.alloc_size = name->dos.alloc_size;
info->ea_size.out.attrib = name->dos.attrib;
info->ea_size.out.ea_size = name->dos.ea_size;
return NT_STATUS_OK;
case RAW_FILEINFO_EA_LIST:
return pvfs_query_ea_list(pvfs, req, name, fd,
info->ea_list.in.num_names,
info->ea_list.in.ea_names,
&info->ea_list.out);
case RAW_FILEINFO_ALL_EAS:
return pvfs_query_all_eas(pvfs, req, name, fd, &info->all_eas.out);
case RAW_FILEINFO_IS_NAME_VALID:
return NT_STATUS_OK;
case RAW_FILEINFO_BASIC_INFO:
case RAW_FILEINFO_BASIC_INFORMATION:
info->basic_info.out.create_time = name->dos.create_time;
info->basic_info.out.access_time = name->dos.access_time;
info->basic_info.out.write_time = name->dos.write_time;
info->basic_info.out.change_time = name->dos.change_time;
info->basic_info.out.attrib = name->dos.attrib;
return NT_STATUS_OK;
case RAW_FILEINFO_STANDARD_INFO:
case RAW_FILEINFO_STANDARD_INFORMATION:
info->standard_info.out.alloc_size = name->dos.alloc_size;
info->standard_info.out.size = name->st.st_size;
info->standard_info.out.nlink = name->st.st_nlink;
info->standard_info.out.delete_pending = 0;
info->standard_info.out.directory =
(name->dos.attrib & FILE_ATTRIBUTE_DIRECTORY)? 1 : 0;
return NT_STATUS_OK;
case RAW_FILEINFO_EA_INFO:
case RAW_FILEINFO_EA_INFORMATION:
info->ea_info.out.ea_size = name->dos.ea_size;
return NT_STATUS_OK;
case RAW_FILEINFO_NAME_INFO:
case RAW_FILEINFO_NAME_INFORMATION:
info->name_info.out.fname.s = name->original_name;
return NT_STATUS_OK;
case RAW_FILEINFO_ALL_INFO:
case RAW_FILEINFO_ALL_INFORMATION:
info->all_info.out.create_time = name->dos.create_time;
info->all_info.out.access_time = name->dos.access_time;
info->all_info.out.write_time = name->dos.write_time;
info->all_info.out.change_time = name->dos.change_time;
info->all_info.out.attrib = name->dos.attrib;
info->all_info.out.alloc_size = name->dos.alloc_size;
info->all_info.out.size = name->st.st_size;
info->all_info.out.nlink = name->st.st_nlink;
info->all_info.out.delete_pending = 0;
info->all_info.out.directory =
(name->dos.attrib & FILE_ATTRIBUTE_DIRECTORY)? 1 : 0;
info->all_info.out.ea_size = name->dos.ea_size;
info->all_info.out.fname.s = name->original_name;
return NT_STATUS_OK;
case RAW_FILEINFO_ALT_NAME_INFO:
case RAW_FILEINFO_ALT_NAME_INFORMATION:
info->name_info.out.fname.s = pvfs_short_name(pvfs, name, name);
return NT_STATUS_OK;
case RAW_FILEINFO_STREAM_INFO:
case RAW_FILEINFO_STREAM_INFORMATION:
return pvfs_stream_information(pvfs, req, name, fd, &info->stream_info.out);
case RAW_FILEINFO_COMPRESSION_INFO:
case RAW_FILEINFO_COMPRESSION_INFORMATION:
info->compression_info.out.compressed_size = name->st.st_size;
info->compression_info.out.format = 0;
info->compression_info.out.unit_shift = 0;
info->compression_info.out.chunk_shift = 0;
info->compression_info.out.cluster_shift = 0;
return NT_STATUS_OK;
case RAW_FILEINFO_INTERNAL_INFORMATION:
info->internal_information.out.file_id = name->dos.file_id;
return NT_STATUS_OK;
case RAW_FILEINFO_ACCESS_INFORMATION:
info->access_information.out.access_flags = 0;
return NT_STATUS_OK;
case RAW_FILEINFO_POSITION_INFORMATION:
info->position_information.out.position = 0;
return NT_STATUS_OK;
case RAW_FILEINFO_MODE_INFORMATION:
info->mode_information.out.mode = 0;
return NT_STATUS_OK;
case RAW_FILEINFO_ALIGNMENT_INFORMATION:
info->alignment_information.out.alignment_requirement = 0;
return NT_STATUS_OK;
case RAW_FILEINFO_NETWORK_OPEN_INFORMATION:
info->network_open_information.out.create_time = name->dos.create_time;
info->network_open_information.out.access_time = name->dos.access_time;
info->network_open_information.out.write_time = name->dos.write_time;
info->network_open_information.out.change_time = name->dos.change_time;
info->network_open_information.out.alloc_size = name->dos.alloc_size;
info->network_open_information.out.size = name->st.st_size;
info->network_open_information.out.attrib = name->dos.attrib;
return NT_STATUS_OK;
case RAW_FILEINFO_ATTRIBUTE_TAG_INFORMATION:
info->attribute_tag_information.out.attrib = name->dos.attrib;
info->attribute_tag_information.out.reparse_tag = 0;
return NT_STATUS_OK;
case RAW_FILEINFO_SEC_DESC:
return pvfs_acl_query(pvfs, req, name, fd, info);
}
return NT_STATUS_INVALID_LEVEL;
}
/*
return info on a pathname
*/
NTSTATUS pvfs_qpathinfo(struct ntvfs_module_context *ntvfs,
struct smbsrv_request *req, union smb_fileinfo *info)
{
struct pvfs_state *pvfs = ntvfs->private_data;
struct pvfs_filename *name;
NTSTATUS status;
/* resolve the cifs name to a posix name */
status = pvfs_resolve_name(pvfs, req, info->generic.in.fname, PVFS_RESOLVE_STREAMS, &name);
if (!NT_STATUS_IS_OK(status)) {
return status;
}
if (!name->stream_exists) {
return NT_STATUS_OBJECT_NAME_NOT_FOUND;
}
status = pvfs_map_fileinfo(pvfs, req, name, info, -1);
return status;
}
/*
query info on a open file
*/
NTSTATUS pvfs_qfileinfo(struct ntvfs_module_context *ntvfs,
struct smbsrv_request *req, union smb_fileinfo *info)
{
struct pvfs_state *pvfs = ntvfs->private_data;
struct pvfs_file *f;
struct pvfs_file_handle *h;
NTSTATUS status;
f = pvfs_find_fd(pvfs, req, info->generic.in.fnum);
if (!f) {
return NT_STATUS_INVALID_HANDLE;
}
h = f->handle;
/* update the file information */
status = pvfs_resolve_name_fd(pvfs, h->fd, h->name);
if (!NT_STATUS_IS_OK(status)) {
return status;
}
status = pvfs_map_fileinfo(pvfs, req, h->name, info, h->fd);
/* a qfileinfo can fill in a bit more info than a qpathinfo -
now modify the levels that need to be fixed up */
switch (info->generic.level) {
case RAW_FILEINFO_STANDARD_INFO:
case RAW_FILEINFO_STANDARD_INFORMATION:
if (h->create_options & NTCREATEX_OPTIONS_DELETE_ON_CLOSE) {
info->standard_info.out.delete_pending = 1;
info->standard_info.out.nlink--;
}
break;
case RAW_FILEINFO_ALL_INFO:
case RAW_FILEINFO_ALL_INFORMATION:
if (h->create_options & NTCREATEX_OPTIONS_DELETE_ON_CLOSE) {
info->all_info.out.delete_pending = 1;
info->all_info.out.nlink--;
}
break;
case RAW_FILEINFO_POSITION_INFORMATION:
info->position_information.out.position = h->position;
break;
case RAW_FILEINFO_ACCESS_INFORMATION:
info->access_information.out.access_flags = f->access_mask;
break;
case RAW_FILEINFO_MODE_INFORMATION:
info->mode_information.out.mode = h->mode;
break;
default:
break;
}
return status;
}
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