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/*
Unix SMB/CIFS implementation.
SMB2 client utility functions
Copyright (C) Andrew Tridgell 2005
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 3 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, see <http://www.gnu.org/licenses/>.
*/
#include "includes.h"
#include "libcli/raw/libcliraw.h"
#include "libcli/raw/raw_proto.h"
#include "libcli/smb2/smb2.h"
#include "libcli/smb2/smb2_calls.h"
#include "libcli/smb_composite/smb_composite.h"
/*
simple close wrapper with SMB2
*/
NTSTATUS smb2_util_close(struct smb2_tree *tree, struct smb2_handle h)
{
struct smb2_close c;
ZERO_STRUCT(c);
c.in.file.handle = h;
return smb2_close(tree, &c);
}
/*
unlink a file with SMB2
*/
NTSTATUS smb2_util_unlink(struct smb2_tree *tree, const char *fname)
{
union smb_unlink io;
ZERO_STRUCT(io);
io.unlink.in.pattern = fname;
return smb2_composite_unlink(tree, &io);
}
/*
rmdir with SMB2
*/
NTSTATUS smb2_util_rmdir(struct smb2_tree *tree, const char *dname)
{
struct smb_rmdir io;
ZERO_STRUCT(io);
io.in.path = dname;
return smb2_composite_rmdir(tree, &io);
}
/*
mkdir with SMB2
*/
NTSTATUS smb2_util_mkdir(struct smb2_tree *tree, const char *dname)
{
union smb_mkdir io;
ZERO_STRUCT(io);
io.mkdir.level = RAW_MKDIR_MKDIR;
io.mkdir.in.path = dname;
return smb2_composite_mkdir(tree, &io);
}
/*
set file attribute with SMB2
*/
NTSTATUS smb2_util_setatr(struct smb2_tree *tree, const char *name, uint32_t attrib)
{
union smb_setfileinfo io;
ZERO_STRUCT(io);
io.basic_info.level = RAW_SFILEINFO_BASIC_INFORMATION;
io.basic_info.in.file.path = name;
io.basic_info.in.attrib = attrib;
return smb2_composite_setpathinfo(tree, &io);
}
/*
recursively descend a tree deleting all files
returns the number of files deleted, or -1 on error
*/
int smb2_deltree(struct smb2_tree *tree, const char *dname)
{
NTSTATUS status;
uint32_t total_deleted = 0;
uint_t count, i;
union smb_search_data *list;
TALLOC_CTX *tmp_ctx = talloc_new(tree);
struct smb2_find f;
struct smb2_create create_parm;
/* it might be a file */
status = smb2_util_unlink(tree, dname);
if (NT_STATUS_IS_OK(status)) {
talloc_free(tmp_ctx);
return 1;
}
if (NT_STATUS_EQUAL(status, NT_STATUS_OBJECT_NAME_NOT_FOUND) ||
NT_STATUS_EQUAL(status, NT_STATUS_OBJECT_PATH_NOT_FOUND) ||
NT_STATUS_EQUAL(status, NT_STATUS_NO_SUCH_FILE)) {
talloc_free(tmp_ctx);
return 0;
}
if (NT_STATUS_EQUAL(status, NT_STATUS_CANNOT_DELETE)) {
/* it could be read-only */
status = smb2_util_setatr(tree, dname, FILE_ATTRIBUTE_NORMAL);
status = smb2_util_unlink(tree, dname);
}
if (NT_STATUS_IS_OK(status)) {
talloc_free(tmp_ctx);
return 1;
}
ZERO_STRUCT(create_parm);
create_parm.in.desired_access = SEC_FILE_READ_DATA;
create_parm.in.share_access =
NTCREATEX_SHARE_ACCESS_READ|
NTCREATEX_SHARE_ACCESS_WRITE;
create_parm.in.create_options = NTCREATEX_OPTIONS_DIRECTORY;
create_parm.in.create_disposition = NTCREATEX_DISP_OPEN;
create_parm.in.fname = dname;
status = smb2_create(tree, tmp_ctx, &create_parm);
if (NT_STATUS_IS_ERR(status)) {
DEBUG(2,("Failed to open %s - %s\n", dname, nt_errstr(status)));
talloc_free(tmp_ctx);
return -1;
}
ZERO_STRUCT(f);
f.in.file.handle = create_parm.out.file.handle;
f.in.max_response_size = 0x10000;
f.in.level = SMB2_FIND_NAME_INFO;
f.in.pattern = "*";
status = smb2_find_level(tree, tmp_ctx, &f, &count, &list);
if (NT_STATUS_IS_ERR(status)) {
DEBUG(2,("Failed to list %s - %s\n",
dname, nt_errstr(status)));
smb2_util_close(tree, create_parm.out.file.handle);
talloc_free(tmp_ctx);
return -1;
}
for (i=0;i<count;i++) {
char *name;
if (strcmp(".", list[i].name_info.name.s) == 0 ||
strcmp("..", list[i].name_info.name.s) == 0) {
continue;
}
name = talloc_asprintf(tmp_ctx, "%s\\%s", dname, list[i].name_info.name.s);
status = smb2_util_unlink(tree, name);
if (NT_STATUS_EQUAL(status, NT_STATUS_CANNOT_DELETE)) {
/* it could be read-only */
status = smb2_util_setatr(tree, name, FILE_ATTRIBUTE_NORMAL);
status = smb2_util_unlink(tree, name);
}
if (NT_STATUS_EQUAL(status, NT_STATUS_FILE_IS_A_DIRECTORY)) {
int ret;
ret = smb2_deltree(tree, name);
if (ret > 0) total_deleted += ret;
}
talloc_free(name);
if (NT_STATUS_IS_OK(status)) {
total_deleted++;
}
}
smb2_util_close(tree, create_parm.out.file.handle);
status = smb2_util_rmdir(tree, dname);
if (NT_STATUS_EQUAL(status, NT_STATUS_CANNOT_DELETE)) {
/* it could be read-only */
status = smb2_util_setatr(tree, dname, FILE_ATTRIBUTE_NORMAL);
status = smb2_util_rmdir(tree, dname);
}
if (NT_STATUS_IS_ERR(status)) {
DEBUG(2,("Failed to delete %s - %s\n",
dname, nt_errstr(status)));
talloc_free(tmp_ctx);
return -1;
}
talloc_free(tmp_ctx);
return total_deleted;
}
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