struct tevent_req *smb2_ioctl_dfs(uint32_t ctl_code,
struct tevent_context *ev,
struct tevent_req *req,
struct smbd_smb2_ioctl_state *state)
{
NTSTATUS status;
switch (ctl_code) {
case FSCTL_DFS_GET_REFERRALS:
status = fsctl_dfs_get_refers(state, ev, state->smbreq->conn,
&state->in_input,
state->in_max_output,
&state->out_output);
if (!tevent_req_nterror(req, status)) {
tevent_req_done(req);
}
return tevent_req_post(req, ev);
break;
default: {
uint8_t *out_data = NULL;
uint32_t out_data_len = 0;
if (state->fsp == NULL) {
status = NT_STATUS_NOT_SUPPORTED;
} else {
status = SMB_VFS_FSCTL(state->fsp,
state,
ctl_code,
state->smbreq->flags2,
state->in_input.data,
state->in_input.length,
&out_data,
state->in_max_output,
&out_data_len);
state->out_output = data_blob_const(out_data, out_data_len);
if (NT_STATUS_IS_OK(status)) {
tevent_req_done(req);
return tevent_req_post(req, ev);
}
}
if (NT_STATUS_EQUAL(status, NT_STATUS_NOT_SUPPORTED)) {
if (IS_IPC(state->smbreq->conn)) {
status = NT_STATUS_FS_DRIVER_REQUIRED;
} else {
status = NT_STATUS_INVALID_DEVICE_REQUEST;
}
}
tevent_req_nterror(req, status);
return tevent_req_post(req, ev);
break;
}
}
tevent_req_nterror(req, NT_STATUS_INTERNAL_ERROR);
return tevent_req_post(req, ev);
}
static struct tevent_req *aio_posix_pread_send(
struct vfs_handle_struct *handle,
TALLOC_CTX *mem_ctx, struct tevent_context *ev,
struct files_struct *fsp, void *data, size_t n, off_t offset)
{
struct tevent_req *req;
struct aio_posix_state *state;
struct aiocb *a;
int ret;
req = tevent_req_create(mem_ctx, &state, struct aio_posix_state);
if (req == NULL) {
return NULL;
}
a = &state->acb;
a->aio_fildes = fsp->fh->fd;
a->aio_buf = data;
a->aio_nbytes = n;
a->aio_offset = offset;
a->aio_sigevent.sigev_notify = SIGEV_SIGNAL;
a->aio_sigevent.sigev_signo = RT_SIGNAL_AIO;
a->aio_sigevent.sigev_value.sival_ptr = req;
ret = aio_read(a);
if (ret == 0) {
talloc_set_destructor(state, aio_posix_state_destructor);
return req;
}
if (errno == EAGAIN) {
/*
* aio overloaded, do the sync fallback
*/
state->ret = sys_pread(fsp->fh->fd, data, n, offset);
if (state->ret == -1) {
state->err = errno;
}
tevent_req_done(req);
return tevent_req_post(req, ev);
}
tevent_req_error(req, errno);
return tevent_req_post(req, ev);
}
struct tevent_req *sss_ldap_init_send(TALLOC_CTX *mem_ctx,
struct tevent_context *ev,
const char *uri,
struct sockaddr_storage *addr,
int addr_len, int timeout)
{
int ret = EOK;
struct tevent_req *req;
struct sss_ldap_init_state *state;
req = tevent_req_create(mem_ctx, &state, struct sss_ldap_init_state);
if (req == NULL) {
DEBUG(SSSDBG_CRIT_FAILURE, "tevent_req_create failed.\n");
return NULL;
}
talloc_set_destructor((TALLOC_CTX *)state, sss_ldap_init_state_destructor);
state->ldap = NULL;
state->sd = -1;
state->uri = uri;
#ifdef HAVE_LDAP_INIT_FD
struct tevent_req *subreq;
subreq = sssd_async_socket_init_send(state, ev, addr, addr_len, timeout);
if (subreq == NULL) {
ret = ENOMEM;
DEBUG(SSSDBG_CRIT_FAILURE, "sssd_async_socket_init_send failed.\n");
goto fail;
}
tevent_req_set_callback(subreq, sss_ldap_init_sys_connect_done, req);
return req;
fail:
tevent_req_error(req, ret);
#else
DEBUG(SSSDBG_MINOR_FAILURE, "ldap_init_fd not available, "
"will use ldap_initialize with uri [%s].\n", uri);
ret = ldap_initialize(&state->ldap, uri);
if (ret == LDAP_SUCCESS) {
tevent_req_done(req);
} else {
DEBUG(SSSDBG_CRIT_FAILURE,
"ldap_initialize failed [%s].\n", sss_ldap_err2string(ret));
if (ret == LDAP_SERVER_DOWN) {
tevent_req_error(req, ETIMEDOUT);
} else {
tevent_req_error(req, EIO);
}
}
#endif
tevent_req_post(req, ev);
return req;
}
struct tevent_req *wb_next_pwent_send(TALLOC_CTX *mem_ctx,
struct tevent_context *ev,
struct getpwent_state *gstate,
struct winbindd_pw *pw)
{
struct tevent_req *req, *subreq;
struct wb_next_pwent_state *state;
req = tevent_req_create(mem_ctx, &state, struct wb_next_pwent_state);
if (req == NULL) {
return NULL;
}
state->ev = ev;
state->gstate = gstate;
state->pw = pw;
if (state->gstate->next_user >= state->gstate->num_users) {
TALLOC_FREE(state->gstate->users);
state->gstate->domain = wb_next_find_domain(state->gstate->domain);
if (state->gstate->domain == NULL) {
tevent_req_nterror(req, NT_STATUS_NO_MORE_ENTRIES);
return tevent_req_post(req, ev);
}
subreq = wb_query_user_list_send(state, state->ev,
state->gstate->domain);
if (tevent_req_nomem(subreq, req)) {
return tevent_req_post(req, ev);
}
tevent_req_set_callback(subreq, wb_next_pwent_fetch_done, req);
return req;
}
subreq = wb_fill_pwent_send(
state, state->ev,
&state->gstate->users[state->gstate->next_user],
state->pw);
if (tevent_req_nomem(subreq, req)) {
return tevent_req_post(req, ev);
}
tevent_req_set_callback(subreq, wb_next_pwent_fill_done, req);
return req;
}
void _tevent_req_notify_callback(struct tevent_req *req, const char *location)
{
req->internal.finish_location = location;
if (req->internal.defer_callback_ev) {
(void)tevent_req_post(req, req->internal.defer_callback_ev);
req->internal.defer_callback_ev = NULL;
return;
}
if (req->async.fn != NULL) {
req->async.fn(req);
}
}
struct tevent_req *ctdb_conn_init_send(TALLOC_CTX *mem_ctx,
struct tevent_context *ev,
const char *sock)
{
struct tevent_req *req, *subreq;
struct ctdb_conn_init_state *state;
req = tevent_req_create(mem_ctx, &state, struct ctdb_conn_init_state);
if (req == NULL) {
return NULL;
}
if (!lp_clustering()) {
tevent_req_error(req, ENOSYS);
return tevent_req_post(req, ev);
}
if (strlen(sock) >= sizeof(state->addr.sun_path)) {
tevent_req_error(req, ENAMETOOLONG);
return tevent_req_post(req, ev);
}
state->conn = talloc(state, struct ctdb_conn);
if (tevent_req_nomem(state->conn, req)) {
return tevent_req_post(req, ev);
}
state->conn->outqueue = tevent_queue_create(
state->conn, "ctdb outqueue");
if (tevent_req_nomem(state->conn->outqueue, req)) {
return tevent_req_post(req, ev);
}
state->conn->fd = socket(AF_UNIX, SOCK_STREAM, 0);
if (state->conn->fd == -1) {
tevent_req_error(req, errno);
return tevent_req_post(req, ev);
}
talloc_set_destructor(state->conn, ctdb_conn_destructor);
state->addr.sun_family = AF_UNIX;
strncpy(state->addr.sun_path, sock, sizeof(state->addr.sun_path));
subreq = async_connect_send(state, ev, state->conn->fd,
(struct sockaddr *)&state->addr,
sizeof(state->addr), before_connect_cb,
after_connect_cb, NULL);
if (tevent_req_nomem(subreq, req)) {
return tevent_req_post(req, ev);
}
tevent_req_set_callback(subreq, ctdb_conn_init_done, req);
return req;
}
static struct tevent_req *smbd_smb2_notify_send(TALLOC_CTX *mem_ctx,
struct tevent_context *ev,
struct smbd_smb2_request *smb2req,
struct files_struct *fsp,
uint16_t in_flags,
uint32_t in_output_buffer_length,
uint64_t in_completion_filter)
{
struct tevent_req *req;
struct smbd_smb2_notify_state *state;
struct smb_request *smbreq;
connection_struct *conn = smb2req->tcon->compat_conn;
bool recursive = (in_flags & 0x0001) ? true : false;
NTSTATUS status;
req = tevent_req_create(mem_ctx, &state,
struct smbd_smb2_notify_state);
if (req == NULL) {
return NULL;
}
state->smb2req = smb2req;
state->status = NT_STATUS_INTERNAL_ERROR;
state->out_output_buffer = data_blob_null;
state->im = NULL;
DEBUG(10,("smbd_smb2_notify_send: %s - fnum[%d]\n",
fsp_str_dbg(fsp), fsp->fnum));
smbreq = smbd_smb2_fake_smb_request(smb2req);
if (tevent_req_nomem(smbreq, req)) {
return tevent_req_post(req, ev);
}
state->smbreq = smbreq;
smbreq->async_priv = (void *)req;
{
char *filter_string;
filter_string = notify_filter_string(NULL, in_completion_filter);
if (tevent_req_nomem(filter_string, req)) {
return tevent_req_post(req, ev);
}
DEBUG(3,("smbd_smb2_notify_send: notify change "
"called on %s, filter = %s, recursive = %d\n",
fsp_str_dbg(fsp), filter_string, recursive));
TALLOC_FREE(filter_string);
}
if ((!fsp->is_directory) || (conn != fsp->conn)) {
tevent_req_nterror(req, NT_STATUS_INVALID_PARAMETER);
return tevent_req_post(req, ev);
}
if (fsp->notify == NULL) {
status = change_notify_create(fsp,
in_completion_filter,
recursive);
if (!NT_STATUS_IS_OK(status)) {
DEBUG(10, ("change_notify_create returned %s\n",
nt_errstr(status)));
tevent_req_nterror(req, status);
return tevent_req_post(req, ev);
}
}
if (fsp->notify->num_changes != 0) {
/*
* We've got changes pending, respond immediately
*/
/*
* TODO: write a torture test to check the filtering behaviour
* here.
*/
change_notify_reply(smbreq,
NT_STATUS_OK,
in_output_buffer_length,
fsp->notify,
smbd_smb2_notify_reply);
/*
* change_notify_reply() above has independently
* called tevent_req_done().
*/
return tevent_req_post(req, ev);
}
state->im = tevent_create_immediate(state);
if (tevent_req_nomem(state->im, req)) {
return tevent_req_post(req, ev);
}
/*
* No changes pending, queue the request
*/
status = change_notify_add_request(smbreq,
in_output_buffer_length,
in_completion_filter,
recursive, fsp,
smbd_smb2_notify_reply);
if (!NT_STATUS_IS_OK(status)) {
tevent_req_nterror(req, status);
return tevent_req_post(req, ev);
}
/* allow this request to be canceled */
tevent_req_set_cancel_fn(req, smbd_smb2_notify_cancel);
return req;
}
/*
run a command as a child process, with a timeout.
any stdout/stderr from the child will appear in the Samba logs with
the specified log levels
*/
struct tevent_req *samba_runcmd_send(TALLOC_CTX *mem_ctx,
struct tevent_context *ev,
struct timeval endtime,
int stdout_log_level,
int stderr_log_level,
const char * const *argv0, ...)
{
struct tevent_req *req;
struct samba_runcmd_state *state;
int p1[2], p2[2], p3[2];
char **argv;
va_list ap;
if (argv0 == NULL) {
return NULL;
}
req = tevent_req_create(mem_ctx, &state,
struct samba_runcmd_state);
if (req == NULL) {
return NULL;
}
state->stdout_log_level = stdout_log_level;
state->stderr_log_level = stderr_log_level;
state->fd_stdin = -1;
state->arg0 = talloc_strdup(state, argv0[0]);
if (tevent_req_nomem(state->arg0, req)) {
return tevent_req_post(req, ev);
}
if (pipe(p1) != 0) {
tevent_req_error(req, errno);
return tevent_req_post(req, ev);
}
if (pipe(p2) != 0) {
close(p1[0]);
close(p1[1]);
tevent_req_error(req, errno);
return tevent_req_post(req, ev);
}
if (pipe(p3) != 0) {
close(p1[0]);
close(p1[1]);
close(p2[0]);
close(p2[1]);
tevent_req_error(req, errno);
return tevent_req_post(req, ev);
}
state->tfork = tfork_create();
if (state->tfork == NULL) {
close(p1[0]);
close(p1[1]);
close(p2[0]);
close(p2[1]);
close(p3[0]);
close(p3[1]);
tevent_req_error(req, errno);
return tevent_req_post(req, ev);
}
state->pid = tfork_child_pid(state->tfork);
if (state->pid != 0) {
/* the parent */
close(p1[1]);
close(p2[1]);
close(p3[0]);
state->fd_stdout = p1[0];
state->fd_stderr = p2[0];
state->fd_stdin = p3[1];
state->fd_status = tfork_event_fd(state->tfork);
set_blocking(state->fd_stdout, false);
set_blocking(state->fd_stderr, false);
set_blocking(state->fd_stdin, false);
set_blocking(state->fd_status, false);
smb_set_close_on_exec(state->fd_stdin);
smb_set_close_on_exec(state->fd_stdout);
smb_set_close_on_exec(state->fd_stderr);
smb_set_close_on_exec(state->fd_status);
tevent_req_set_cleanup_fn(req, samba_runcmd_cleanup_fn);
state->fde_stdout = tevent_add_fd(ev, state,
state->fd_stdout,
TEVENT_FD_READ,
samba_runcmd_io_handler,
req);
if (tevent_req_nomem(state->fde_stdout, req)) {
close(state->fd_stdout);
close(state->fd_stderr);
close(state->fd_status);
return tevent_req_post(req, ev);
}
tevent_fd_set_auto_close(state->fde_stdout);
state->fde_stderr = tevent_add_fd(ev, state,
state->fd_stderr,
TEVENT_FD_READ,
samba_runcmd_io_handler,
req);
if (tevent_req_nomem(state->fde_stdout, req)) {
close(state->fd_stdout);
close(state->fd_stderr);
close(state->fd_status);
return tevent_req_post(req, ev);
}
tevent_fd_set_auto_close(state->fde_stderr);
state->fde_status = tevent_add_fd(ev, state,
state->fd_status,
TEVENT_FD_READ,
samba_runcmd_io_handler,
req);
if (tevent_req_nomem(state->fde_stdout, req)) {
close(state->fd_stdout);
close(state->fd_stderr);
close(state->fd_status);
return tevent_req_post(req, ev);
}
tevent_fd_set_auto_close(state->fde_status);
if (!timeval_is_zero(&endtime)) {
tevent_req_set_endtime(req, ev, endtime);
}
return req;
}
/* the child */
close(p1[0]);
close(p2[0]);
close(p3[1]);
close(0);
close(1);
close(2);
/* we want to ensure that all of the network sockets we had
open are closed */
tevent_re_initialise(ev);
/* setup for logging to go to the parents debug log */
dup2(p3[0], 0);
dup2(p1[1], 1);
dup2(p2[1], 2);
close(p1[1]);
close(p2[1]);
close(p3[0]);
argv = str_list_copy(state, discard_const_p(const char *, argv0));
if (!argv) {
fprintf(stderr, "Out of memory in child\n");
_exit(255);
}
va_start(ap, argv0);
while (1) {
const char **l;
char *arg = va_arg(ap, char *);
if (arg == NULL) break;
l = discard_const_p(const char *, argv);
l = str_list_add(l, arg);
if (l == NULL) {
fprintf(stderr, "Out of memory in child\n");
_exit(255);
}
argv = discard_const_p(char *, l);
}
va_end(ap);
(void)execvp(state->arg0, argv);
fprintf(stderr, "Failed to exec child - %s\n", strerror(errno));
_exit(255);
return NULL;
}
static struct tevent_req *smbd_smb2_notify_send(TALLOC_CTX *mem_ctx,
struct tevent_context *ev,
struct smbd_smb2_request *smb2req,
struct files_struct *fsp,
uint16_t in_flags,
uint32_t in_output_buffer_length,
uint64_t in_completion_filter)
{
struct tevent_req *req;
struct smbd_smb2_notify_state *state;
struct smb_request *smbreq;
connection_struct *conn = smb2req->tcon->compat;
bool recursive = (in_flags & SMB2_WATCH_TREE) ? true : false;
NTSTATUS status;
req = tevent_req_create(mem_ctx, &state,
struct smbd_smb2_notify_state);
if (req == NULL) {
return NULL;
}
state->smb2req = smb2req;
state->status = NT_STATUS_INTERNAL_ERROR;
state->out_output_buffer = data_blob_null;
talloc_set_destructor(state, smbd_smb2_notify_state_destructor);
DEBUG(10,("smbd_smb2_notify_send: %s - %s\n",
fsp_str_dbg(fsp), fsp_fnum_dbg(fsp)));
smbreq = smbd_smb2_fake_smb_request(smb2req);
if (tevent_req_nomem(smbreq, req)) {
return tevent_req_post(req, ev);
}
state->smbreq = smbreq;
smbreq->async_priv = (void *)req;
if (DEBUGLEVEL >= 3) {
char *filter_string;
filter_string = notify_filter_string(NULL, in_completion_filter);
if (tevent_req_nomem(filter_string, req)) {
return tevent_req_post(req, ev);
}
DEBUG(3,("smbd_smb2_notify_send: notify change "
"called on %s, filter = %s, recursive = %d\n",
fsp_str_dbg(fsp), filter_string, recursive));
TALLOC_FREE(filter_string);
}
if ((!fsp->is_directory) || (conn != fsp->conn)) {
tevent_req_nterror(req, NT_STATUS_INVALID_PARAMETER);
return tevent_req_post(req, ev);
}
if (fsp->notify == NULL) {
status = change_notify_create(fsp,
in_completion_filter,
recursive);
if (!NT_STATUS_IS_OK(status)) {
DEBUG(10, ("change_notify_create returned %s\n",
nt_errstr(status)));
tevent_req_nterror(req, status);
return tevent_req_post(req, ev);
}
}
if (change_notify_fsp_has_changes(fsp)) {
/*
* We've got changes pending, respond immediately
*/
/*
* TODO: write a torture test to check the filtering behaviour
* here.
*/
change_notify_reply(smbreq,
NT_STATUS_OK,
in_output_buffer_length,
fsp->notify,
smbd_smb2_notify_reply);
/*
* change_notify_reply() above has independently
* called tevent_req_done().
*/
return tevent_req_post(req, ev);
}
/*
* No changes pending, queue the request
*/
status = change_notify_add_request(smbreq,
in_output_buffer_length,
in_completion_filter,
recursive, fsp,
smbd_smb2_notify_reply);
if (!NT_STATUS_IS_OK(status)) {
tevent_req_nterror(req, status);
return tevent_req_post(req, ev);
}
/*
* This is a HACK!
*
* change_notify_add_request() talloc_moves()
* smbreq away from us, so we need a destructor
* which moves it back at the end.
*/
state->has_request = true;
talloc_set_destructor(smbreq, smbd_smb2_notify_smbreq_destructor);
/* allow this request to be canceled */
tevent_req_set_cancel_fn(req, smbd_smb2_notify_cancel);
SMBPROFILE_IOBYTES_ASYNC_SET_IDLE(state->smb2req->profile);
return req;
}
struct tevent_req *cli_trans_send(
TALLOC_CTX *mem_ctx, struct event_context *ev,
struct cli_state *cli, uint8_t cmd,
const char *pipe_name, uint16_t fid, uint16_t function, int flags,
uint16_t *setup, uint8_t num_setup, uint8_t max_setup,
uint8_t *param, uint32_t num_param, uint32_t max_param,
uint8_t *data, uint32_t num_data, uint32_t max_data)
{
struct tevent_req *req, *subreq;
struct cli_trans_state *state;
int iov_count;
uint8_t wct;
req = tevent_req_create(mem_ctx, &state, struct cli_trans_state);
if (req == NULL) {
return NULL;
}
if ((cmd == SMBtrans) || (cmd == SMBtrans2)) {
if ((num_param > 0xffff) || (max_param > 0xffff)
|| (num_data > 0xffff) || (max_data > 0xffff)) {
DEBUG(3, ("Attempt to send invalid trans2 request "
"(setup %u, params %u/%u, data %u/%u)\n",
(unsigned)num_setup,
(unsigned)num_param, (unsigned)max_param,
(unsigned)num_data, (unsigned)max_data));
tevent_req_nterror(req, NT_STATUS_INVALID_PARAMETER);
return tevent_req_post(req, ev);
}
}
/*
* The largest wct will be for nttrans (19+num_setup). Make sure we
* don't overflow state->vwv in cli_trans_format.
*/
if ((num_setup + 19) > ARRAY_SIZE(state->vwv)) {
tevent_req_nterror(req, NT_STATUS_INVALID_PARAMETER);
return tevent_req_post(req, ev);
}
state->cli = cli;
state->ev = ev;
state->cmd = cmd;
state->flags = flags;
state->num_rsetup = 0;
state->rsetup = NULL;
ZERO_STRUCT(state->rparam);
ZERO_STRUCT(state->rdata);
if ((pipe_name != NULL)
&& (!convert_string_talloc(state, CH_UNIX,
cli_ucs2(cli) ? CH_UTF16LE : CH_DOS,
pipe_name, strlen(pipe_name) + 1,
&state->pipe_name_conv,
&state->pipe_name_conv_len, true))) {
tevent_req_nterror(req, NT_STATUS_NO_MEMORY);
return tevent_req_post(req, ev);
}
state->fid = fid; /* trans2 */
state->function = function; /* nttrans */
state->setup = setup;
state->num_setup = num_setup;
state->max_setup = max_setup;
state->param = param;
state->num_param = num_param;
state->param_sent = 0;
state->rparam.max = max_param;
state->data = data;
state->num_data = num_data;
state->data_sent = 0;
state->rdata.max = max_data;
cli_trans_format(state, &wct, &iov_count);
subreq = cli_smb_req_create(state, ev, cli, cmd, 0, wct, state->vwv,
iov_count, state->iov);
if (tevent_req_nomem(subreq, req)) {
return tevent_req_post(req, ev);
}
state->mid = cli_smb_req_mid(subreq);
if (!cli_smb_req_send(subreq)) {
tevent_req_nterror(req, NT_STATUS_NO_MEMORY);
return tevent_req_post(req, state->ev);
}
cli_state_seqnum_persistent(cli, state->mid);
tevent_req_set_callback(subreq, cli_trans_done, req);
return req;
}
static struct tevent_req *smbd_smb2_ioctl_send(TALLOC_CTX *mem_ctx,
struct tevent_context *ev,
struct smbd_smb2_request *smb2req,
struct files_struct *fsp,
uint32_t in_ctl_code,
DATA_BLOB in_input,
uint32_t in_max_output,
uint32_t in_flags)
{
struct tevent_req *req;
struct smbd_smb2_ioctl_state *state;
struct smb_request *smbreq;
req = tevent_req_create(mem_ctx, &state,
struct smbd_smb2_ioctl_state);
if (req == NULL) {
return NULL;
}
state->smb2req = smb2req;
state->smbreq = NULL;
state->fsp = fsp;
state->in_input = in_input;
state->in_max_output = in_max_output;
state->out_output = data_blob_null;
DEBUG(10, ("smbd_smb2_ioctl: ctl_code[0x%08x] %s, %s\n",
(unsigned)in_ctl_code,
fsp ? fsp_str_dbg(fsp) : "<no handle>",
fsp_fnum_dbg(fsp)));
smbreq = smbd_smb2_fake_smb_request(smb2req);
if (tevent_req_nomem(smbreq, req)) {
return tevent_req_post(req, ev);
}
state->smbreq = smbreq;
switch (in_ctl_code & IOCTL_DEV_TYPE_MASK) {
case FSCTL_DFS:
return smb2_ioctl_dfs(in_ctl_code, ev, req, state);
break;
case FSCTL_FILESYSTEM:
return smb2_ioctl_filesys(in_ctl_code, ev, req, state);
break;
case FSCTL_NAMED_PIPE:
return smb2_ioctl_named_pipe(in_ctl_code, ev, req, state);
break;
case FSCTL_NETWORK_FILESYSTEM:
return smb2_ioctl_network_fs(in_ctl_code, ev, req, state);
break;
default:
if (IS_IPC(smbreq->conn)) {
tevent_req_nterror(req, NT_STATUS_FS_DRIVER_REQUIRED);
} else {
tevent_req_nterror(req, NT_STATUS_INVALID_DEVICE_REQUEST);
}
return tevent_req_post(req, ev);
break;
}
tevent_req_nterror(req, NT_STATUS_INTERNAL_ERROR);
return tevent_req_post(req, ev);
}
/* issue full refresh of sudo rules */
static struct tevent_req *sdap_sudo_full_refresh_send(TALLOC_CTX *mem_ctx,
struct sdap_sudo_ctx *sudo_ctx)
{
struct tevent_req *req = NULL;
struct tevent_req *subreq = NULL;
struct sdap_id_ctx *id_ctx = sudo_ctx->id_ctx;
struct sdap_sudo_full_refresh_state *state = NULL;
char *ldap_filter = NULL;
char *ldap_full_filter = NULL;
char *sysdb_filter = NULL;
int ret;
req = tevent_req_create(mem_ctx, &state, struct sdap_sudo_full_refresh_state);
if (req == NULL) {
DEBUG(SSSDBG_CRIT_FAILURE, "tevent_req_create() failed\n");
return NULL;
}
sudo_ctx->full_refresh_in_progress = true;
state->sudo_ctx = sudo_ctx;
state->id_ctx = id_ctx;
state->sysdb = id_ctx->be->domain->sysdb;
state->domain = id_ctx->be->domain;
/* Download all rules from LDAP */
ldap_filter = talloc_asprintf(state, SDAP_SUDO_FILTER_CLASS,
id_ctx->opts->sudorule_map[SDAP_OC_SUDORULE].name);
if (ldap_filter == NULL) {
ret = ENOMEM;
goto immediately;
}
ldap_full_filter = sdap_sudo_get_filter(state, id_ctx->opts->sudorule_map,
sudo_ctx, ldap_filter);
if (ldap_full_filter == NULL) {
ret = ENOMEM;
goto immediately;
}
/* Remove all rules from cache */
sysdb_filter = talloc_asprintf(state, "(%s=%s)",
SYSDB_OBJECTCLASS, SYSDB_SUDO_CACHE_OC);
if (sysdb_filter == NULL) {
ret = ENOMEM;
goto immediately;
}
DEBUG(SSSDBG_TRACE_FUNC, "Issuing a full refresh of sudo rules\n");
subreq = sdap_sudo_refresh_send(state, id_ctx->be, id_ctx->opts,
id_ctx->conn->conn_cache,
ldap_full_filter, sysdb_filter);
if (subreq == NULL) {
ret = ENOMEM;
goto immediately;
}
tevent_req_set_callback(subreq, sdap_sudo_full_refresh_done, req);
/* free filters */
talloc_free(ldap_filter);
talloc_free(ldap_full_filter);
talloc_free(sysdb_filter);
return req;
immediately:
if (ret == EOK) {
tevent_req_done(req);
} else {
tevent_req_error(req, ret);
}
tevent_req_post(req, id_ctx->be->ev);
return req;
}
static struct tevent_req *smbd_smb2_getinfo_send(TALLOC_CTX *mem_ctx,
struct tevent_context *ev,
struct smbd_smb2_request *smb2req,
struct files_struct *fsp,
uint8_t in_info_type,
uint8_t in_file_info_class,
uint32_t in_output_buffer_length,
DATA_BLOB in_input_buffer,
uint32_t in_additional_information,
uint32_t in_flags)
{
struct tevent_req *req;
struct smbd_smb2_getinfo_state *state;
struct smb_request *smbreq;
connection_struct *conn = smb2req->tcon->compat;
NTSTATUS status;
req = tevent_req_create(mem_ctx, &state,
struct smbd_smb2_getinfo_state);
if (req == NULL) {
return NULL;
}
state->smb2req = smb2req;
state->status = NT_STATUS_OK;
state->out_output_buffer = data_blob_null;
DEBUG(10,("smbd_smb2_getinfo_send: %s - %s\n",
fsp_str_dbg(fsp), fsp_fnum_dbg(fsp)));
smbreq = smbd_smb2_fake_smb_request(smb2req);
if (tevent_req_nomem(smbreq, req)) {
return tevent_req_post(req, ev);
}
if (IS_IPC(conn)) {
smb2_ipc_getinfo(req, state, ev,
in_info_type, in_file_info_class);
return tevent_req_post(req, ev);
}
switch (in_info_type) {
case SMB2_GETINFO_FILE:
{
uint16_t file_info_level;
char *data = NULL;
unsigned int data_size = 0;
bool delete_pending = false;
struct timespec write_time_ts;
struct file_id fileid;
struct ea_list *ea_list = NULL;
int lock_data_count = 0;
char *lock_data = NULL;
size_t fixed_portion;
ZERO_STRUCT(write_time_ts);
switch (in_file_info_class) {
case 0x0F:/* RAW_FILEINFO_SMB2_ALL_EAS */
file_info_level = 0xFF00 | in_file_info_class;
break;
case 0x12:/* RAW_FILEINFO_SMB2_ALL_INFORMATION */
file_info_level = 0xFF00 | in_file_info_class;
break;
default:
/* the levels directly map to the passthru levels */
file_info_level = in_file_info_class + 1000;
break;
}
if (fsp->fake_file_handle) {
/*
* This is actually for the QUOTA_FAKE_FILE --metze
*/
/* We know this name is ok, it's already passed the checks. */
} else if (fsp->fh->fd == -1) {
/*
* This is actually a QFILEINFO on a directory
* handle (returned from an NT SMB). NT5.0 seems
* to do this call. JRA.
*/
if (INFO_LEVEL_IS_UNIX(file_info_level)) {
/* Always do lstat for UNIX calls. */
if (SMB_VFS_LSTAT(conn, fsp->fsp_name)) {
DEBUG(3,("smbd_smb2_getinfo_send: "
"SMB_VFS_LSTAT of %s failed "
"(%s)\n", fsp_str_dbg(fsp),
strerror(errno)));
status = map_nt_error_from_unix(errno);
tevent_req_nterror(req, status);
return tevent_req_post(req, ev);
}
} else if (SMB_VFS_STAT(conn, fsp->fsp_name)) {
DEBUG(3,("smbd_smb2_getinfo_send: "
"SMB_VFS_STAT of %s failed (%s)\n",
fsp_str_dbg(fsp),
strerror(errno)));
status = map_nt_error_from_unix(errno);
tevent_req_nterror(req, status);
return tevent_req_post(req, ev);
}
fileid = vfs_file_id_from_sbuf(conn,
&fsp->fsp_name->st);
get_file_infos(fileid, fsp->name_hash,
&delete_pending, &write_time_ts);
} else {
/*
* Original code - this is an open file.
*/
if (SMB_VFS_FSTAT(fsp, &fsp->fsp_name->st) != 0) {
DEBUG(3, ("smbd_smb2_getinfo_send: "
"fstat of %s failed (%s)\n",
fsp_fnum_dbg(fsp), strerror(errno)));
status = map_nt_error_from_unix(errno);
tevent_req_nterror(req, status);
return tevent_req_post(req, ev);
}
fileid = vfs_file_id_from_sbuf(conn,
&fsp->fsp_name->st);
get_file_infos(fileid, fsp->name_hash,
&delete_pending, &write_time_ts);
}
status = smbd_do_qfilepathinfo(conn, state,
file_info_level,
fsp,
fsp->fsp_name,
delete_pending,
write_time_ts,
ea_list,
lock_data_count,
lock_data,
STR_UNICODE,
in_output_buffer_length,
&fixed_portion,
&data,
&data_size);
if (!NT_STATUS_IS_OK(status)) {
SAFE_FREE(data);
if (NT_STATUS_EQUAL(status, NT_STATUS_INVALID_LEVEL)) {
status = NT_STATUS_INVALID_INFO_CLASS;
}
tevent_req_nterror(req, status);
return tevent_req_post(req, ev);
}
if (in_output_buffer_length < fixed_portion) {
SAFE_FREE(data);
tevent_req_nterror(
req, NT_STATUS_INFO_LENGTH_MISMATCH);
return tevent_req_post(req, ev);
}
if (data_size > 0) {
state->out_output_buffer = data_blob_talloc(state,
data,
data_size);
SAFE_FREE(data);
if (tevent_req_nomem(state->out_output_buffer.data, req)) {
return tevent_req_post(req, ev);
}
if (data_size > in_output_buffer_length) {
state->out_output_buffer.length =
in_output_buffer_length;
status = STATUS_BUFFER_OVERFLOW;
}
}
SAFE_FREE(data);
break;
}
case SMB2_GETINFO_FS:
{
uint16_t file_info_level;
char *data = NULL;
int data_size = 0;
size_t fixed_portion;
/* the levels directly map to the passthru levels */
file_info_level = in_file_info_class + 1000;
status = smbd_do_qfsinfo(conn, state,
file_info_level,
STR_UNICODE,
in_output_buffer_length,
&fixed_portion,
fsp->fsp_name,
&data,
&data_size);
/* some responses set STATUS_BUFFER_OVERFLOW and return
partial, but valid data */
if (!(NT_STATUS_IS_OK(status) ||
NT_STATUS_EQUAL(status, STATUS_BUFFER_OVERFLOW))) {
SAFE_FREE(data);
if (NT_STATUS_EQUAL(status, NT_STATUS_INVALID_LEVEL)) {
status = NT_STATUS_INVALID_INFO_CLASS;
}
tevent_req_nterror(req, status);
return tevent_req_post(req, ev);
}
if (in_output_buffer_length < fixed_portion) {
SAFE_FREE(data);
tevent_req_nterror(
req, NT_STATUS_INFO_LENGTH_MISMATCH);
return tevent_req_post(req, ev);
}
if (data_size > 0) {
state->out_output_buffer = data_blob_talloc(state,
data,
data_size);
SAFE_FREE(data);
if (tevent_req_nomem(state->out_output_buffer.data, req)) {
return tevent_req_post(req, ev);
}
if (data_size > in_output_buffer_length) {
state->out_output_buffer.length =
in_output_buffer_length;
status = STATUS_BUFFER_OVERFLOW;
}
}
SAFE_FREE(data);
break;
}
case SMB2_GETINFO_SECURITY:
{
uint8_t *p_marshalled_sd = NULL;
size_t sd_size = 0;
status = smbd_do_query_security_desc(conn,
state,
fsp,
/* Security info wanted. */
in_additional_information &
SMB_SUPPORTED_SECINFO_FLAGS,
in_output_buffer_length,
&p_marshalled_sd,
&sd_size);
if (NT_STATUS_EQUAL(status, NT_STATUS_BUFFER_TOO_SMALL)) {
/* Return needed size. */
state->out_output_buffer = data_blob_talloc(state,
NULL,
4);
if (tevent_req_nomem(state->out_output_buffer.data, req)) {
return tevent_req_post(req, ev);
}
SIVAL(state->out_output_buffer.data,0,(uint32_t)sd_size);
state->status = NT_STATUS_BUFFER_TOO_SMALL;
break;
}
if (!NT_STATUS_IS_OK(status)) {
DEBUG(10,("smbd_smb2_getinfo_send: "
"smbd_do_query_security_desc of %s failed "
"(%s)\n", fsp_str_dbg(fsp),
nt_errstr(status)));
tevent_req_nterror(req, status);
return tevent_req_post(req, ev);
}
if (sd_size > 0) {
state->out_output_buffer = data_blob_talloc(state,
p_marshalled_sd,
sd_size);
if (tevent_req_nomem(state->out_output_buffer.data, req)) {
return tevent_req_post(req, ev);
}
}
break;
}
case SMB2_GETINFO_QUOTA:
tevent_req_nterror(req, NT_STATUS_NOT_SUPPORTED);
return tevent_req_post(req, ev);
default:
DEBUG(10,("smbd_smb2_getinfo_send: "
"unknown in_info_type of %u "
" for file %s\n",
(unsigned int)in_info_type,
fsp_str_dbg(fsp) ));
tevent_req_nterror(req, NT_STATUS_INVALID_PARAMETER);
return tevent_req_post(req, ev);
}
state->status = status;
tevent_req_done(req);
return tevent_req_post(req, ev);
}
struct tevent_req *open_socket_out_send(TALLOC_CTX *mem_ctx,
struct event_context *ev,
const struct sockaddr_storage *pss,
uint16_t port,
int timeout)
{
char addr[INET6_ADDRSTRLEN];
struct tevent_req *result, *subreq;
struct open_socket_out_state *state;
NTSTATUS status;
result = tevent_req_create(mem_ctx, &state,
struct open_socket_out_state);
if (result == NULL) {
return NULL;
}
state->ev = ev;
state->ss = *pss;
state->port = port;
state->wait_usec = 10000;
state->salen = -1;
state->fd = socket(state->ss.ss_family, SOCK_STREAM, 0);
if (state->fd == -1) {
status = map_nt_error_from_unix(errno);
goto post_status;
}
talloc_set_destructor(state, open_socket_out_state_destructor);
if (!tevent_req_set_endtime(
result, ev, timeval_current_ofs_msec(timeout))) {
goto fail;
}
#if defined(HAVE_IPV6)
if (pss->ss_family == AF_INET6) {
struct sockaddr_in6 *psa6;
psa6 = (struct sockaddr_in6 *)&state->ss;
psa6->sin6_port = htons(port);
if (psa6->sin6_scope_id == 0
&& IN6_IS_ADDR_LINKLOCAL(&psa6->sin6_addr)) {
setup_linklocal_scope_id(
(struct sockaddr *)&(state->ss));
}
state->salen = sizeof(struct sockaddr_in6);
}
#endif
if (pss->ss_family == AF_INET) {
struct sockaddr_in *psa;
psa = (struct sockaddr_in *)&state->ss;
psa->sin_port = htons(port);
state->salen = sizeof(struct sockaddr_in);
}
if (pss->ss_family == AF_UNIX) {
state->salen = sizeof(struct sockaddr_un);
}
print_sockaddr(addr, sizeof(addr), &state->ss);
DEBUG(3,("Connecting to %s at port %u\n", addr, (unsigned int)port));
subreq = async_connect_send(state, state->ev, state->fd,
(struct sockaddr *)&state->ss,
state->salen);
if ((subreq == NULL)
|| !tevent_req_set_endtime(
subreq, state->ev,
timeval_current_ofs(0, state->wait_usec))) {
goto fail;
}
tevent_req_set_callback(subreq, open_socket_out_connected, result);
return result;
post_status:
tevent_req_nterror(result, status);
return tevent_req_post(result, ev);
fail:
TALLOC_FREE(result);
return NULL;
}
static struct tevent_req *smbd_smb2_read_send(TALLOC_CTX *mem_ctx,
struct tevent_context *ev,
struct smbd_smb2_request *smb2req,
struct files_struct *fsp,
uint32_t in_length,
uint64_t in_offset,
uint32_t in_minimum,
uint32_t in_remaining)
{
NTSTATUS status;
struct tevent_req *req = NULL;
struct smbd_smb2_read_state *state = NULL;
struct smb_request *smbreq = NULL;
connection_struct *conn = smb2req->tcon->compat;
ssize_t nread = -1;
struct lock_struct lock;
int saved_errno;
req = tevent_req_create(mem_ctx, &state,
struct smbd_smb2_read_state);
if (req == NULL) {
return NULL;
}
state->smb2req = smb2req;
state->in_length = in_length;
state->in_offset = in_offset;
state->in_minimum = in_minimum;
state->out_data = data_blob_null;
state->out_remaining = 0;
DEBUG(10,("smbd_smb2_read: %s - %s\n",
fsp_str_dbg(fsp), fsp_fnum_dbg(fsp)));
smbreq = smbd_smb2_fake_smb_request(smb2req);
if (tevent_req_nomem(smbreq, req)) {
return tevent_req_post(req, ev);
}
state->smbreq = smbreq;
if (fsp->is_directory) {
tevent_req_nterror(req, NT_STATUS_INVALID_DEVICE_REQUEST);
return tevent_req_post(req, ev);
}
state->fsp = fsp;
if (IS_IPC(smbreq->conn)) {
struct tevent_req *subreq = NULL;
state->out_data = data_blob_talloc(state, NULL, in_length);
if (in_length > 0 && tevent_req_nomem(state->out_data.data, req)) {
return tevent_req_post(req, ev);
}
if (!fsp_is_np(fsp)) {
tevent_req_nterror(req, NT_STATUS_FILE_CLOSED);
return tevent_req_post(req, ev);
}
subreq = np_read_send(state, ev,
fsp->fake_file_handle,
state->out_data.data,
state->out_data.length);
if (tevent_req_nomem(subreq, req)) {
return tevent_req_post(req, ev);
}
tevent_req_set_callback(subreq,
smbd_smb2_read_pipe_done,
req);
return req;
}
if (!CHECK_READ(fsp, smbreq)) {
tevent_req_nterror(req, NT_STATUS_ACCESS_DENIED);
return tevent_req_post(req, ev);
}
status = schedule_smb2_aio_read(fsp->conn,
smbreq,
fsp,
state,
&state->out_data,
(off_t)in_offset,
(size_t)in_length);
if (NT_STATUS_IS_OK(status)) {
/*
* Doing an async read, allow this
* request to be canceled
*/
tevent_req_set_cancel_fn(req, smbd_smb2_read_cancel);
return req;
}
if (!NT_STATUS_EQUAL(status, NT_STATUS_RETRY)) {
/* Real error in setting up aio. Fail. */
tevent_req_nterror(req, status);
return tevent_req_post(req, ev);
}
/* Fallback to synchronous. */
init_strict_lock_struct(fsp,
fsp->op->global->open_persistent_id,
in_offset,
in_length,
READ_LOCK,
&lock);
if (!SMB_VFS_STRICT_LOCK(conn, fsp, &lock)) {
tevent_req_nterror(req, NT_STATUS_FILE_LOCK_CONFLICT);
return tevent_req_post(req, ev);
}
/* Try sendfile in preference. */
status = schedule_smb2_sendfile_read(smb2req, state);
if (NT_STATUS_IS_OK(status)) {
tevent_req_done(req);
return tevent_req_post(req, ev);
} else {
if (!NT_STATUS_EQUAL(status, NT_STATUS_RETRY)) {
SMB_VFS_STRICT_UNLOCK(conn, fsp, &lock);
tevent_req_nterror(req, status);
return tevent_req_post(req, ev);
}
}
/* Ok, read into memory. Allocate the out buffer. */
state->out_data = data_blob_talloc(state, NULL, in_length);
if (in_length > 0 && tevent_req_nomem(state->out_data.data, req)) {
SMB_VFS_STRICT_UNLOCK(conn, fsp, &lock);
return tevent_req_post(req, ev);
}
nread = read_file(fsp,
(char *)state->out_data.data,
in_offset,
in_length);
saved_errno = errno;
SMB_VFS_STRICT_UNLOCK(conn, fsp, &lock);
DEBUG(10,("smbd_smb2_read: file %s, %s, offset=%llu "
"len=%llu returned %lld\n",
fsp_str_dbg(fsp),
fsp_fnum_dbg(fsp),
(unsigned long long)in_offset,
(unsigned long long)in_length,
(long long)nread));
status = smb2_read_complete(req, nread, saved_errno);
if (!NT_STATUS_IS_OK(status)) {
tevent_req_nterror(req, status);
} else {
/* Success. */
tevent_req_done(req);
}
return tevent_req_post(req, ev);
}
/* issue smart refresh of sudo rules */
static struct tevent_req *sdap_sudo_smart_refresh_send(TALLOC_CTX *mem_ctx,
struct sdap_sudo_ctx *sudo_ctx)
{
struct tevent_req *req = NULL;
struct tevent_req *subreq = NULL;
struct sdap_id_ctx *id_ctx = sudo_ctx->id_ctx;
struct sdap_attr_map *map = id_ctx->opts->sudorule_map;
struct sdap_server_opts *srv_opts = id_ctx->srv_opts;
struct sdap_sudo_smart_refresh_state *state = NULL;
char *ldap_filter = NULL;
char *ldap_full_filter = NULL;
const char *usn;
int ret;
req = tevent_req_create(mem_ctx, &state, struct sdap_sudo_smart_refresh_state);
if (req == NULL) {
DEBUG(SSSDBG_CRIT_FAILURE, "tevent_req_create() failed\n");
return NULL;
}
if (!sudo_ctx->full_refresh_done
&& (srv_opts == NULL || srv_opts->max_sudo_value == 0)) {
/* Perform full refresh first */
DEBUG(SSSDBG_TRACE_FUNC, "USN value is unknown, "
"waiting for full refresh!\n");
ret = EINVAL;
goto immediately;
}
state->id_ctx = id_ctx;
state->sysdb = id_ctx->be->domain->sysdb;
/* Download all rules from LDAP that are newer than usn */
usn = srv_opts->max_sudo_value;
if (usn != NULL) {
ldap_filter = talloc_asprintf(state,
"(&(objectclass=%s)(%s>=%s)(!(%s=%s)))",
map[SDAP_OC_SUDORULE].name,
map[SDAP_AT_SUDO_USN].name, usn,
map[SDAP_AT_SUDO_USN].name, usn);
} else {
/* no valid USN value known */
ldap_filter = talloc_asprintf(state, SDAP_SUDO_FILTER_CLASS,
map[SDAP_OC_SUDORULE].name);
}
if (ldap_filter == NULL) {
ret = ENOMEM;
goto immediately;
}
ldap_full_filter = sdap_sudo_get_filter(state, map, sudo_ctx, ldap_filter);
if (ldap_full_filter == NULL) {
ret = ENOMEM;
goto immediately;
}
/* Do not remove any rules that are already in the sysdb
* sysdb_filter = NULL; */
DEBUG(SSSDBG_TRACE_FUNC, "Issuing a smart refresh of sudo rules "
"(USN > %s)\n", (usn == NULL ? "0" : usn));
subreq = sdap_sudo_refresh_send(state, id_ctx->be, id_ctx->opts,
id_ctx->conn->conn_cache,
ldap_full_filter, NULL);
if (subreq == NULL) {
ret = ENOMEM;
goto immediately;
}
state->subreq = subreq;
tevent_req_set_callback(subreq, sdap_sudo_smart_refresh_done, req);
/* free filters */
talloc_free(ldap_filter);
talloc_free(ldap_full_filter);
return req;
immediately:
if (ret == EOK) {
tevent_req_done(req);
} else {
tevent_req_error(req, ret);
}
tevent_req_post(req, id_ctx->be->ev);
return req;
}
/* issue refresh of specific sudo rules */
static struct tevent_req *sdap_sudo_rules_refresh_send(TALLOC_CTX *mem_ctx,
struct sdap_sudo_ctx *sudo_ctx,
struct be_ctx *be_ctx,
struct sdap_options *opts,
struct sdap_id_conn_cache *conn_cache,
char **rules)
{
struct tevent_req *req = NULL;
struct tevent_req *subreq = NULL;
struct sdap_sudo_rules_refresh_state *state = NULL;
TALLOC_CTX *tmp_ctx = NULL;
char *ldap_filter = NULL;
char *ldap_full_filter = NULL;
char *sysdb_filter = NULL;
char *safe_rule = NULL;
int ret;
int i;
if (rules == NULL) {
return NULL;
}
tmp_ctx = talloc_new(NULL);
if (tmp_ctx == NULL) {
DEBUG(SSSDBG_CRIT_FAILURE, "talloc_new() failed\n");
return NULL;
}
req = tevent_req_create(mem_ctx, &state, struct sdap_sudo_rules_refresh_state);
if (req == NULL) {
DEBUG(SSSDBG_CRIT_FAILURE, "tevent_req_create() failed\n");
return NULL;
}
ldap_filter = talloc_zero(tmp_ctx, char); /* assign to tmp_ctx */
sysdb_filter = talloc_zero(tmp_ctx, char); /* assign to tmp_ctx */
/* Download only selected rules from LDAP */
/* Remove all selected rules from cache */
for (i = 0; rules[i] != NULL; i++) {
ret = sss_filter_sanitize(tmp_ctx, rules[i], &safe_rule);
if (ret != EOK) {
ret = ENOMEM;
goto immediately;
}
ldap_filter = talloc_asprintf_append_buffer(ldap_filter, "(%s=%s)",
opts->sudorule_map[SDAP_AT_SUDO_NAME].name,
safe_rule);
if (ldap_filter == NULL) {
ret = ENOMEM;
goto immediately;
}
sysdb_filter = talloc_asprintf_append_buffer(sysdb_filter, "(%s=%s)",
SYSDB_SUDO_CACHE_AT_CN,
safe_rule);
if (sysdb_filter == NULL) {
ret = ENOMEM;
goto immediately;
}
}
state->id_ctx = sudo_ctx->id_ctx;
state->num_rules = i;
ldap_filter = talloc_asprintf(tmp_ctx, "(&"SDAP_SUDO_FILTER_CLASS"(|%s))",
opts->sudorule_map[SDAP_OC_SUDORULE].name,
ldap_filter);
if (ldap_filter == NULL) {
ret = ENOMEM;
goto immediately;
}
ldap_full_filter = sdap_sudo_get_filter(tmp_ctx, opts->sudorule_map,
sudo_ctx, ldap_filter);
if (ldap_full_filter == NULL) {
ret = ENOMEM;
goto immediately;
}
sysdb_filter = talloc_asprintf(tmp_ctx, "(&(%s=%s)(|%s))",
SYSDB_OBJECTCLASS, SYSDB_SUDO_CACHE_OC,
sysdb_filter);
if (sysdb_filter == NULL) {
ret = ENOMEM;
goto immediately;
}
subreq = sdap_sudo_refresh_send(req, be_ctx, opts, conn_cache,
ldap_full_filter, sysdb_filter);
if (subreq == NULL) {
ret = ENOMEM;
goto immediately;
}
tevent_req_set_callback(subreq, sdap_sudo_rules_refresh_done, req);
ret = EOK;
immediately:
talloc_free(tmp_ctx);
if (ret != EOK) {
tevent_req_error(req, ret);
tevent_req_post(req, be_ctx->ev);
}
return req;
}
static struct tevent_req *smbd_smb2_read_send(TALLOC_CTX *mem_ctx,
struct tevent_context *ev,
struct smbd_smb2_request *smb2req,
uint32_t in_smbpid,
uint64_t in_file_id_volatile,
uint32_t in_length,
uint64_t in_offset,
uint32_t in_minimum,
uint32_t in_remaining)
{
NTSTATUS status;
struct tevent_req *req = NULL;
struct smbd_smb2_read_state *state = NULL;
struct smb_request *smbreq = NULL;
connection_struct *conn = smb2req->tcon->compat_conn;
files_struct *fsp = NULL;
ssize_t nread = -1;
struct lock_struct lock;
int saved_errno;
req = tevent_req_create(mem_ctx, &state,
struct smbd_smb2_read_state);
if (req == NULL) {
return NULL;
}
state->smb2req = smb2req;
state->in_length = in_length;
state->in_offset = in_offset;
state->in_minimum = in_minimum;
state->out_data = data_blob_null;
state->out_remaining = 0;
DEBUG(10,("smbd_smb2_read: file_id[0x%016llX]\n",
(unsigned long long)in_file_id_volatile));
smbreq = smbd_smb2_fake_smb_request(smb2req);
if (tevent_req_nomem(smbreq, req)) {
return tevent_req_post(req, ev);
}
fsp = file_fsp(smbreq, (uint16_t)in_file_id_volatile);
if (fsp == NULL) {
tevent_req_nterror(req, NT_STATUS_FILE_CLOSED);
return tevent_req_post(req, ev);
}
if (conn != fsp->conn) {
tevent_req_nterror(req, NT_STATUS_FILE_CLOSED);
return tevent_req_post(req, ev);
}
if (smb2req->session->vuid != fsp->vuid) {
tevent_req_nterror(req, NT_STATUS_FILE_CLOSED);
return tevent_req_post(req, ev);
}
if (fsp->is_directory) {
tevent_req_nterror(req, NT_STATUS_INVALID_DEVICE_REQUEST);
return tevent_req_post(req, ev);
}
state->fsp = fsp;
state->in_file_id_volatile = in_file_id_volatile;
if (IS_IPC(smbreq->conn)) {
struct tevent_req *subreq = NULL;
state->out_data = data_blob_talloc(state, NULL, in_length);
if (in_length > 0 && tevent_req_nomem(state->out_data.data, req)) {
return tevent_req_post(req, ev);
}
if (!fsp_is_np(fsp)) {
tevent_req_nterror(req, NT_STATUS_FILE_CLOSED);
return tevent_req_post(req, ev);
}
subreq = np_read_send(state, server_event_context(),
fsp->fake_file_handle,
state->out_data.data,
state->out_data.length);
if (tevent_req_nomem(subreq, req)) {
return tevent_req_post(req, ev);
}
tevent_req_set_callback(subreq,
smbd_smb2_read_pipe_done,
req);
return req;
}
if (!CHECK_READ(fsp, smbreq)) {
tevent_req_nterror(req, NT_STATUS_ACCESS_DENIED);
return tevent_req_post(req, ev);
}
status = schedule_smb2_aio_read(fsp->conn,
smbreq,
fsp,
state,
&state->out_data,
(SMB_OFF_T)in_offset,
(size_t)in_length);
if (NT_STATUS_IS_OK(status)) {
/*
* Doing an async read. Don't
* send a "gone async" message
* as we expect this to be less
* than the client timeout period.
* JRA. FIXME for offline files..
* FIXME. Add cancel code..
*/
smb2req->async = true;
return req;
}
if (!NT_STATUS_EQUAL(status, NT_STATUS_RETRY)) {
/* Real error in setting up aio. Fail. */
tevent_req_nterror(req, NT_STATUS_FILE_CLOSED);
return tevent_req_post(req, ev);
}
/* Fallback to synchronous. */
init_strict_lock_struct(fsp,
in_file_id_volatile,
in_offset,
in_length,
READ_LOCK,
&lock);
if (!SMB_VFS_STRICT_LOCK(conn, fsp, &lock)) {
tevent_req_nterror(req, NT_STATUS_FILE_LOCK_CONFLICT);
return tevent_req_post(req, ev);
}
/* Try sendfile in preference. */
status = schedule_smb2_sendfile_read(smb2req, state);
if (NT_STATUS_IS_OK(status)) {
tevent_req_done(req);
return tevent_req_post(req, ev);
} else {
if (!NT_STATUS_EQUAL(status, NT_STATUS_RETRY)) {
SMB_VFS_STRICT_UNLOCK(conn, fsp, &lock);
tevent_req_nterror(req, status);
return tevent_req_post(req, ev);
}
}
/* Ok, read into memory. Allocate the out buffer. */
state->out_data = data_blob_talloc(state, NULL, in_length);
if (in_length > 0 && tevent_req_nomem(state->out_data.data, req)) {
SMB_VFS_STRICT_UNLOCK(conn, fsp, &lock);
return tevent_req_post(req, ev);
}
nread = read_file(fsp,
(char *)state->out_data.data,
in_offset,
in_length);
saved_errno = errno;
SMB_VFS_STRICT_UNLOCK(conn, fsp, &lock);
DEBUG(10,("smbd_smb2_read: file %s handle [0x%016llX] offset=%llu "
"len=%llu returned %lld\n",
fsp_str_dbg(fsp),
(unsigned long long)in_file_id_volatile,
(unsigned long long)in_offset,
(unsigned long long)in_length,
(long long)nread));
status = smb2_read_complete(req, nread, saved_errno);
if (!NT_STATUS_IS_OK(status)) {
tevent_req_nterror(req, status);
} else {
/* Success. */
tevent_req_done(req);
}
return tevent_req_post(req, ev);
}
struct tevent_req *smb2_ioctl_named_pipe(uint32_t ctl_code,
struct tevent_context *ev,
struct tevent_req *req,
struct smbd_smb2_ioctl_state *state)
{
NTSTATUS status;
uint8_t *out_data = NULL;
uint32_t out_data_len = 0;
if (ctl_code == FSCTL_PIPE_TRANSCEIVE) {
struct tevent_req *subreq;
if (!IS_IPC(state->smbreq->conn)) {
tevent_req_nterror(req, NT_STATUS_NOT_SUPPORTED);
return tevent_req_post(req, ev);
}
if (state->fsp == NULL) {
tevent_req_nterror(req, NT_STATUS_FILE_CLOSED);
return tevent_req_post(req, ev);
}
if (!fsp_is_np(state->fsp)) {
tevent_req_nterror(req, NT_STATUS_FILE_CLOSED);
return tevent_req_post(req, ev);
}
DEBUG(10,("smbd_smb2_ioctl_send: np_write_send of size %u\n",
(unsigned int)state->in_input.length ));
subreq = np_write_send(state, ev,
state->fsp->fake_file_handle,
state->in_input.data,
state->in_input.length);
if (tevent_req_nomem(subreq, req)) {
return tevent_req_post(req, ev);
}
tevent_req_set_callback(subreq,
smbd_smb2_ioctl_pipe_write_done,
req);
return req;
}
if (state->fsp == NULL) {
status = NT_STATUS_NOT_SUPPORTED;
} else {
status = SMB_VFS_FSCTL(state->fsp,
state,
ctl_code,
state->smbreq->flags2,
state->in_input.data,
state->in_input.length,
&out_data,
state->in_max_output,
&out_data_len);
state->out_output = data_blob_const(out_data, out_data_len);
if (NT_STATUS_IS_OK(status)) {
tevent_req_done(req);
return tevent_req_post(req, ev);
}
}
if (NT_STATUS_EQUAL(status, NT_STATUS_NOT_SUPPORTED)) {
if (IS_IPC(state->smbreq->conn)) {
status = NT_STATUS_FS_DRIVER_REQUIRED;
} else {
status = NT_STATUS_INVALID_DEVICE_REQUEST;
}
}
tevent_req_nterror(req, status);
return tevent_req_post(req, ev);
}
struct tevent_req *smb1cli_trans_send(
TALLOC_CTX *mem_ctx, struct tevent_context *ev,
struct smbXcli_conn *conn, uint8_t cmd,
uint8_t additional_flags, uint8_t clear_flags,
uint16_t additional_flags2, uint16_t clear_flags2,
uint32_t timeout_msec,
uint32_t pid, uint16_t tid, uint16_t uid,
const char *pipe_name, uint16_t fid, uint16_t function, int flags,
uint16_t *setup, uint8_t num_setup, uint8_t max_setup,
uint8_t *param, uint32_t num_param, uint32_t max_param,
uint8_t *data, uint32_t num_data, uint32_t max_data)
{
struct tevent_req *req, *subreq;
struct smb1cli_trans_state *state;
int iov_count;
uint8_t wct;
NTSTATUS status;
charset_t charset;
req = tevent_req_create(mem_ctx, &state,
struct smb1cli_trans_state);
if (req == NULL) {
return NULL;
}
if ((cmd == SMBtrans) || (cmd == SMBtrans2)) {
if ((num_param > 0xffff) || (max_param > 0xffff)
|| (num_data > 0xffff) || (max_data > 0xffff)) {
DEBUG(3, ("Attempt to send invalid trans2 request "
"(setup %u, params %u/%u, data %u/%u)\n",
(unsigned)num_setup,
(unsigned)num_param, (unsigned)max_param,
(unsigned)num_data, (unsigned)max_data));
tevent_req_nterror(req, NT_STATUS_INVALID_PARAMETER_MIX);
return tevent_req_post(req, ev);
}
}
/*
* The largest wct will be for nttrans (19+num_setup). Make sure we
* don't overflow state->vwv in smb1cli_trans_format.
*/
if ((num_setup + 19) > ARRAY_SIZE(state->vwv)) {
tevent_req_nterror(req, NT_STATUS_INVALID_PARAMETER_MIX);
return tevent_req_post(req, ev);
}
state->conn = conn;
state->ev = ev;
state->cmd = cmd;
state->additional_flags = additional_flags;
state->clear_flags = clear_flags;
state->additional_flags2 = additional_flags2;
state->clear_flags2 = clear_flags2;
state->timeout_msec = timeout_msec;
state->flags = flags;
state->num_rsetup = 0;
state->rsetup = NULL;
state->pid = pid;
state->tid = tid;
state->uid = uid;
ZERO_STRUCT(state->rparam);
ZERO_STRUCT(state->rdata);
if (smbXcli_conn_use_unicode(conn)) {
charset = CH_UTF16LE;
} else {
charset = CH_DOS;
}
if ((pipe_name != NULL)
&& (!convert_string_talloc(state, CH_UNIX, charset,
pipe_name, strlen(pipe_name) + 1,
&state->pipe_name_conv,
&state->pipe_name_conv_len))) {
tevent_req_nterror(req, NT_STATUS_NO_MEMORY);
return tevent_req_post(req, ev);
}
state->fid = fid; /* trans2 */
state->function = function; /* nttrans */
state->setup = setup;
state->num_setup = num_setup;
state->max_setup = max_setup;
state->param = param;
state->num_param = num_param;
state->param_sent = 0;
state->rparam.max = max_param;
state->data = data;
state->num_data = num_data;
state->data_sent = 0;
state->rdata.max = max_data;
smb1cli_trans_format(state, &wct, &iov_count);
subreq = smb1cli_req_create(state, ev, conn, cmd,
state->additional_flags,
state->clear_flags,
state->additional_flags2,
state->clear_flags2,
state->timeout_msec,
state->pid, state->tid, state->uid,
wct, state->vwv,
iov_count, state->iov);
if (tevent_req_nomem(subreq, req)) {
return tevent_req_post(req, ev);
}
status = smb1cli_req_chain_submit(&subreq, 1);
if (tevent_req_nterror(req, status)) {
return tevent_req_post(req, state->ev);
}
tevent_req_set_callback(subreq, smb1cli_trans_done, req);
/*
* Now get the MID of the primary request
* and mark it as persistent. This means
* we will able to send and receive multiple
* SMB pdus using this MID in both directions
* (including correct SMB signing).
*/
state->mid = smb1cli_req_mid(subreq);
smb1cli_req_set_mid(subreq, state->mid);
state->primary_subreq = subreq;
talloc_set_destructor(state, smb1cli_trans_state_destructor);
tevent_req_set_cancel_fn(req, smb1cli_trans_cancel);
return req;
}
struct tevent_req *tsocket_writev_send(struct tsocket_context *sock,
TALLOC_CTX *mem_ctx,
const struct iovec *vector,
size_t count)
{
struct tevent_req *req;
struct tsocket_writev_state *state;
int ret;
int err;
bool dummy;
int to_write = 0;
size_t i;
req = tevent_req_create(mem_ctx, &state,
struct tsocket_writev_state);
if (!req) {
return NULL;
}
state->caller.sock = sock;
state->caller.vector = vector;
state->caller.count = count;
state->iov = NULL;
state->count = count;
state->total_written = 0;
state->iov = talloc_array(state, struct iovec, count);
if (tevent_req_nomem(state->iov, req)) {
goto post;
}
memcpy(state->iov, vector, sizeof(struct iovec) * count);
for (i=0; i < count; i++) {
int tmp = to_write;
tmp += state->iov[i].iov_len;
if (tmp < to_write) {
tevent_req_error(req, EMSGSIZE);
goto post;
}
to_write = tmp;
}
if (to_write == 0) {
tevent_req_done(req);
goto post;
}
/*
* this is a fast path, not waiting for the
* socket to become explicit writeable gains
* about 10%-20% performance in benchmark tests.
*/
tsocket_writev_handler(sock, req);
if (!tevent_req_is_in_progress(req)) {
goto post;
}
talloc_set_destructor(state, tsocket_writev_state_destructor);
ret = tsocket_set_writeable_handler(sock,
tsocket_writev_handler,
req);
err = tsocket_error_from_errno(ret, errno, &dummy);
if (tevent_req_error(req, err)) {
goto post;
}
return req;
post:
return tevent_req_post(req, sock->event.ctx);
}
