static void smbd_smb2_request_close_done(struct tevent_req *subreq)
{
struct smbd_smb2_request *req =
tevent_req_callback_data(subreq,
struct smbd_smb2_request);
DATA_BLOB outbody;
uint16_t out_flags = 0;
connection_struct *conn = req->tcon->compat;
struct timespec out_creation_ts = { 0, };
struct timespec out_last_access_ts = { 0, };
struct timespec out_last_write_ts = { 0, };
struct timespec out_change_ts = { 0, };
uint64_t out_allocation_size = 0;
uint64_t out_end_of_file = 0;
uint32_t out_file_attributes = 0;
NTSTATUS status;
NTSTATUS error;
status = smbd_smb2_close_recv(subreq,
&out_flags,
&out_creation_ts,
&out_last_access_ts,
&out_last_write_ts,
&out_change_ts,
&out_allocation_size,
&out_end_of_file,
&out_file_attributes);
TALLOC_FREE(subreq);
if (!NT_STATUS_IS_OK(status)) {
error = smbd_smb2_request_error(req, status);
if (!NT_STATUS_IS_OK(error)) {
smbd_server_connection_terminate(req->xconn,
nt_errstr(error));
return;
}
return;
}
outbody = smbd_smb2_generate_outbody(req, 0x3C);
if (outbody.data == NULL) {
error = smbd_smb2_request_error(req, NT_STATUS_NO_MEMORY);
if (!NT_STATUS_IS_OK(error)) {
smbd_server_connection_terminate(req->xconn,
nt_errstr(error));
return;
}
return;
}
SSVAL(outbody.data, 0x00, 0x3C); /* struct size */
SSVAL(outbody.data, 0x02, out_flags);
SIVAL(outbody.data, 0x04, 0); /* reserved */
put_long_date_timespec(conn->ts_res,
(char *)outbody.data + 0x08, out_creation_ts);
put_long_date_timespec(conn->ts_res,
(char *)outbody.data + 0x10, out_last_access_ts);
put_long_date_timespec(conn->ts_res,
(char *)outbody.data + 0x18, out_last_write_ts);
put_long_date_timespec(conn->ts_res,
(char *)outbody.data + 0x20, out_change_ts);
SBVAL(outbody.data, 0x28, out_allocation_size);
SBVAL(outbody.data, 0x30, out_end_of_file);
SIVAL(outbody.data, 0x38, out_file_attributes);
error = smbd_smb2_request_done(req, outbody, NULL);
if (!NT_STATUS_IS_OK(error)) {
smbd_server_connection_terminate(req->xconn,
nt_errstr(error));
return;
}
}
static NTSTATUS smbd_smb2_close(struct smbd_smb2_request *req,
struct files_struct *fsp,
uint16_t in_flags,
DATA_BLOB *outbody)
{
NTSTATUS status;
struct smb_request *smbreq;
connection_struct *conn = req->tcon->compat_conn;
struct smb_filename *smb_fname = NULL;
struct timespec mdate_ts, adate_ts, cdate_ts, create_date_ts;
uint64_t allocation_size = 0;
uint64_t file_size = 0;
uint32_t dos_attrs = 0;
uint16_t out_flags = 0;
bool posix_open = false;
ZERO_STRUCT(create_date_ts);
ZERO_STRUCT(adate_ts);
ZERO_STRUCT(mdate_ts);
ZERO_STRUCT(cdate_ts);
DEBUG(10,("smbd_smb2_close: %s - fnum[%d]\n",
fsp_str_dbg(fsp), fsp->fnum));
smbreq = smbd_smb2_fake_smb_request(req);
if (smbreq == NULL) {
return NT_STATUS_NO_MEMORY;
}
posix_open = fsp->posix_open;
status = copy_smb_filename(talloc_tos(),
fsp->fsp_name,
&smb_fname);
if (!NT_STATUS_IS_OK(status)) {
return status;
}
status = close_file(smbreq, fsp, NORMAL_CLOSE);
if (!NT_STATUS_IS_OK(status)) {
DEBUG(5,("smbd_smb2_close: close_file[%s]: %s\n",
fsp_str_dbg(fsp), nt_errstr(status)));
return status;
}
if (in_flags & SMB2_CLOSE_FLAGS_FULL_INFORMATION) {
int ret;
if (posix_open) {
ret = SMB_VFS_LSTAT(conn, smb_fname);
} else {
ret = SMB_VFS_STAT(conn, smb_fname);
}
if (ret == 0) {
out_flags = SMB2_CLOSE_FLAGS_FULL_INFORMATION;
dos_attrs = dos_mode(conn, smb_fname);
mdate_ts = smb_fname->st.st_ex_mtime;
adate_ts = smb_fname->st.st_ex_atime;
create_date_ts = get_create_timespec(conn, NULL, smb_fname);
cdate_ts = get_change_timespec(conn, NULL, smb_fname);
if (lp_dos_filetime_resolution(SNUM(conn))) {
dos_filetime_timespec(&create_date_ts);
dos_filetime_timespec(&mdate_ts);
dos_filetime_timespec(&adate_ts);
dos_filetime_timespec(&cdate_ts);
}
if (!(dos_attrs & FILE_ATTRIBUTE_DIRECTORY)) {
file_size = get_file_size_stat(&smb_fname->st);
}
allocation_size = SMB_VFS_GET_ALLOC_SIZE(conn, NULL, &smb_fname->st);
}
}
SSVAL(outbody->data, 0x00, 0x3C); /* struct size */
SSVAL(outbody->data, 0x02, out_flags); /* flags */
SIVAL(outbody->data, 0x04, 0); /* reserved */
put_long_date_timespec(conn->ts_res,
(char *)&outbody->data[0x8],create_date_ts); /* creation time */
put_long_date_timespec(conn->ts_res,
(char *)&outbody->data[0x10],adate_ts); /* last access time */
put_long_date_timespec(conn->ts_res,
(char *)&outbody->data[0x18],mdate_ts); /* last write time */
put_long_date_timespec(conn->ts_res,
(char *)&outbody->data[0x20],cdate_ts); /* change time */
SBVAL(outbody->data, 0x28, allocation_size);/* allocation size */
SBVAL(outbody->data, 0x30, file_size); /* end of file */
SIVAL(outbody->data, 0x38, dos_attrs); /* file attributes */
return NT_STATUS_OK;
}
static void reply_nt1(struct smb_request *req, uint16 choice)
{
/* dual names + lock_and_read + nt SMBs + remote API calls */
int capabilities = CAP_NT_FIND|CAP_LOCK_AND_READ|
CAP_LEVEL_II_OPLOCKS;
int secword=0;
bool negotiate_spnego = False;
struct timespec ts;
ssize_t ret;
struct smbd_server_connection *sconn = req->sconn;
bool signing_enabled = false;
bool signing_required = false;
sconn->smb1.negprot.encrypted_passwords = lp_encrypt_passwords();
/* Check the flags field to see if this is Vista.
WinXP sets it and Vista does not. But we have to
distinguish from NT which doesn't set it either. */
if ( (req->flags2 & FLAGS2_EXTENDED_SECURITY) &&
((req->flags2 & FLAGS2_SMB_SECURITY_SIGNATURES_REQUIRED) == 0) )
{
if (get_remote_arch() != RA_SAMBA) {
set_remote_arch( RA_VISTA );
}
}
reply_outbuf(req,17,0);
/* do spnego in user level security if the client
supports it and we can do encrypted passwords */
if (sconn->smb1.negprot.encrypted_passwords &&
lp_use_spnego() &&
(req->flags2 & FLAGS2_EXTENDED_SECURITY)) {
negotiate_spnego = True;
capabilities |= CAP_EXTENDED_SECURITY;
add_to_common_flags2(FLAGS2_EXTENDED_SECURITY);
/* Ensure FLAGS2_EXTENDED_SECURITY gets set in this reply
(already partially constructed. */
SSVAL(req->outbuf, smb_flg2,
req->flags2 | FLAGS2_EXTENDED_SECURITY);
}
capabilities |= CAP_NT_SMBS|CAP_RPC_REMOTE_APIS;
if (lp_unicode()) {
capabilities |= CAP_UNICODE;
}
if (lp_unix_extensions()) {
capabilities |= CAP_UNIX;
}
if (lp_large_readwrite())
capabilities |= CAP_LARGE_READX|CAP_LARGE_WRITEX|CAP_W2K_SMBS;
capabilities |= CAP_LARGE_FILES;
if (!lp_async_smb_echo_handler() && lp_read_raw() && lp_write_raw())
capabilities |= CAP_RAW_MODE;
if (lp_nt_status_support())
capabilities |= CAP_STATUS32;
if (lp_host_msdfs())
capabilities |= CAP_DFS;
secword |= NEGOTIATE_SECURITY_USER_LEVEL;
if (sconn->smb1.negprot.encrypted_passwords) {
secword |= NEGOTIATE_SECURITY_CHALLENGE_RESPONSE;
}
signing_enabled = smb_signing_is_allowed(req->sconn->smb1.signing_state);
signing_required = smb_signing_is_mandatory(req->sconn->smb1.signing_state);
if (signing_enabled) {
secword |= NEGOTIATE_SECURITY_SIGNATURES_ENABLED;
/* No raw mode with smb signing. */
capabilities &= ~CAP_RAW_MODE;
if (signing_required) {
secword |=NEGOTIATE_SECURITY_SIGNATURES_REQUIRED;
}
}
SSVAL(req->outbuf,smb_vwv0,choice);
SCVAL(req->outbuf,smb_vwv1,secword);
smbXsrv_connection_init_tables(req->sconn->conn, PROTOCOL_NT1);
SSVAL(req->outbuf,smb_vwv1+1, lp_max_mux()); /* maxmpx */
SSVAL(req->outbuf,smb_vwv2+1, 1); /* num vcs */
SIVAL(req->outbuf,smb_vwv3+1,
sconn->smb1.negprot.max_recv); /* max buffer. LOTS! */
SIVAL(req->outbuf,smb_vwv5+1, 0x10000); /* raw size. full 64k */
SIVAL(req->outbuf,smb_vwv7+1, getpid()); /* session key */
SIVAL(req->outbuf,smb_vwv9+1, capabilities); /* capabilities */
clock_gettime(CLOCK_REALTIME,&ts);
put_long_date_timespec(TIMESTAMP_SET_NT_OR_BETTER,(char *)req->outbuf+smb_vwv11+1,ts);
SSVALS(req->outbuf,smb_vwv15+1,set_server_zone_offset(ts.tv_sec)/60);
if (!negotiate_spnego) {
/* Create a token value and add it to the outgoing packet. */
if (sconn->smb1.negprot.encrypted_passwords) {
uint8 chal[8];
/* note that we do not send a challenge at all if
we are using plaintext */
get_challenge(sconn, chal);
ret = message_push_blob(
&req->outbuf, data_blob_const(chal, sizeof(chal)));
if (ret == -1) {
DEBUG(0, ("Could not push challenge\n"));
reply_nterror(req, NT_STATUS_NO_MEMORY);
return;
}
SCVAL(req->outbuf, smb_vwv16+1, ret);
}
ret = message_push_string(&req->outbuf, lp_workgroup(),
STR_UNICODE|STR_TERMINATE
|STR_NOALIGN);
if (ret == -1) {
DEBUG(0, ("Could not push workgroup string\n"));
reply_nterror(req, NT_STATUS_NO_MEMORY);
return;
}
ret = message_push_string(&req->outbuf, lp_netbios_name(),
STR_UNICODE|STR_TERMINATE
|STR_NOALIGN);
if (ret == -1) {
DEBUG(0, ("Could not push netbios name string\n"));
reply_nterror(req, NT_STATUS_NO_MEMORY);
return;
}
DEBUG(3,("not using SPNEGO\n"));
} else {
DATA_BLOB spnego_blob = negprot_spnego(req, req->sconn);
if (spnego_blob.data == NULL) {
reply_nterror(req, NT_STATUS_NO_MEMORY);
return;
}
ret = message_push_blob(&req->outbuf, spnego_blob);
if (ret == -1) {
DEBUG(0, ("Could not push spnego blob\n"));
reply_nterror(req, NT_STATUS_NO_MEMORY);
return;
}
data_blob_free(&spnego_blob);
SCVAL(req->outbuf,smb_vwv16+1, 0);
DEBUG(3,("using SPNEGO\n"));
}
return;
}
static void smbd_smb2_request_create_done(struct tevent_req *tsubreq)
{
struct smbd_smb2_request *smb2req = tevent_req_callback_data(tsubreq,
struct smbd_smb2_request);
DATA_BLOB outbody;
DATA_BLOB outdyn;
uint8_t out_oplock_level = 0;
uint32_t out_create_action = 0;
connection_struct *conn = smb2req->tcon->compat;
struct timespec out_creation_ts = { 0, };
struct timespec out_last_access_ts = { 0, };
struct timespec out_last_write_ts = { 0, };
struct timespec out_change_ts = { 0, };
uint64_t out_allocation_size = 0;
uint64_t out_end_of_file = 0;
uint32_t out_file_attributes = 0;
uint64_t out_file_id_persistent = 0;
uint64_t out_file_id_volatile = 0;
struct smb2_create_blobs out_context_blobs;
DATA_BLOB out_context_buffer;
uint16_t out_context_buffer_offset = 0;
NTSTATUS status;
NTSTATUS error; /* transport error */
status = smbd_smb2_create_recv(tsubreq,
smb2req,
&out_oplock_level,
&out_create_action,
&out_creation_ts,
&out_last_access_ts,
&out_last_write_ts,
&out_change_ts,
&out_allocation_size,
&out_end_of_file,
&out_file_attributes,
&out_file_id_persistent,
&out_file_id_volatile,
&out_context_blobs);
if (!NT_STATUS_IS_OK(status)) {
error = smbd_smb2_request_error(smb2req, status);
if (!NT_STATUS_IS_OK(error)) {
smbd_server_connection_terminate(smb2req->xconn,
nt_errstr(error));
return;
}
return;
}
status = smb2_create_blob_push(smb2req, &out_context_buffer, out_context_blobs);
if (!NT_STATUS_IS_OK(status)) {
error = smbd_smb2_request_error(smb2req, status);
if (!NT_STATUS_IS_OK(error)) {
smbd_server_connection_terminate(smb2req->xconn,
nt_errstr(error));
return;
}
return;
}
if (out_context_buffer.length > 0) {
out_context_buffer_offset = SMB2_HDR_BODY + 0x58;
}
outbody = smbd_smb2_generate_outbody(smb2req, 0x58);
if (outbody.data == NULL) {
error = smbd_smb2_request_error(smb2req, NT_STATUS_NO_MEMORY);
if (!NT_STATUS_IS_OK(error)) {
smbd_server_connection_terminate(smb2req->xconn,
nt_errstr(error));
return;
}
return;
}
SSVAL(outbody.data, 0x00, 0x58 + 1); /* struct size */
SCVAL(outbody.data, 0x02,
out_oplock_level); /* oplock level */
SCVAL(outbody.data, 0x03, 0); /* reserved */
SIVAL(outbody.data, 0x04,
out_create_action); /* create action */
put_long_date_timespec(conn->ts_res,
(char *)outbody.data + 0x08,
out_creation_ts); /* creation time */
put_long_date_timespec(conn->ts_res,
(char *)outbody.data + 0x10,
out_last_access_ts); /* last access time */
put_long_date_timespec(conn->ts_res,
(char *)outbody.data + 0x18,
out_last_write_ts); /* last write time */
put_long_date_timespec(conn->ts_res,
(char *)outbody.data + 0x20,
out_change_ts); /* change time */
SBVAL(outbody.data, 0x28,
out_allocation_size); /* allocation size */
SBVAL(outbody.data, 0x30,
out_end_of_file); /* end of file */
SIVAL(outbody.data, 0x38,
out_file_attributes); /* file attributes */
SIVAL(outbody.data, 0x3C, 0); /* reserved */
SBVAL(outbody.data, 0x40,
out_file_id_persistent); /* file id (persistent) */
SBVAL(outbody.data, 0x48,
out_file_id_volatile); /* file id (volatile) */
SIVAL(outbody.data, 0x50,
out_context_buffer_offset); /* create contexts offset */
SIVAL(outbody.data, 0x54,
out_context_buffer.length); /* create contexts length */
outdyn = out_context_buffer;
error = smbd_smb2_request_done(smb2req, outbody, &outdyn);
if (!NT_STATUS_IS_OK(error)) {
smbd_server_connection_terminate(smb2req->xconn,
nt_errstr(error));
return;
}
}
