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;
}
bool push_blocking_lock_request( struct byte_range_lock *br_lck,
struct smb_request *req,
files_struct *fsp,
int lock_timeout,
int lock_num,
uint64_t smblctx,
enum brl_type lock_type,
enum brl_flavour lock_flav,
uint64_t offset,
uint64_t count,
uint64_t blocking_smblctx)
{
struct smbd_server_connection *sconn = req->sconn;
struct blocking_lock_record *blr;
NTSTATUS status;
if (req->smb2req) {
return push_blocking_lock_request_smb2(br_lck,
req,
fsp,
lock_timeout,
lock_num,
smblctx,
lock_type,
lock_flav,
offset,
count,
blocking_smblctx);
}
if(req_is_in_chain(req)) {
DEBUG(0,("push_blocking_lock_request: cannot queue a chained request (currently).\n"));
return False;
}
/*
* Now queue an entry on the blocking lock queue. We setup
* the expiration time here.
*/
blr = talloc(NULL, struct blocking_lock_record);
if (blr == NULL) {
DEBUG(0,("push_blocking_lock_request: Malloc fail !\n" ));
return False;
}
blr->next = NULL;
blr->prev = NULL;
blr->fsp = fsp;
if (lock_timeout == -1) {
blr->expire_time.tv_sec = 0;
blr->expire_time.tv_usec = 0; /* Never expire. */
} else {
blr->expire_time = timeval_current_ofs_msec(lock_timeout);
}
blr->lock_num = lock_num;
blr->smblctx = smblctx;
blr->blocking_smblctx = blocking_smblctx;
blr->lock_flav = lock_flav;
blr->lock_type = lock_type;
blr->offset = offset;
blr->count = count;
/* Specific brl_lock() implementations can fill this in. */
blr->blr_private = NULL;
/* Add a pending lock record for this. */
status = brl_lock(req->sconn->msg_ctx,
br_lck,
smblctx,
messaging_server_id(req->sconn->msg_ctx),
offset,
count,
lock_type == READ_LOCK ? PENDING_READ_LOCK : PENDING_WRITE_LOCK,
blr->lock_flav,
True,
NULL,
blr);
if (!NT_STATUS_IS_OK(status)) {
DEBUG(0,("push_blocking_lock_request: failed to add PENDING_LOCK record.\n"));
TALLOC_FREE(blr);
return False;
}
SMB_PERFCOUNT_DEFER_OP(&req->pcd, &req->pcd);
blr->req = talloc_move(blr, &req);
DLIST_ADD_END(sconn->smb1.locks.blocking_lock_queue, blr, struct blocking_lock_record *);
recalc_brl_timeout(sconn);
/* Ensure we'll receive messages when this is unlocked. */
if (!sconn->smb1.locks.blocking_lock_unlock_state) {
messaging_register(sconn->msg_ctx, sconn,
MSG_SMB_UNLOCK, received_unlock_msg);
sconn->smb1.locks.blocking_lock_unlock_state = true;
}
DEBUG(3,("push_blocking_lock_request: lock request blocked with "
"expiry time (%u sec. %u usec) (+%d msec) for %s, name = %s\n",
(unsigned int)blr->expire_time.tv_sec,
(unsigned int)blr->expire_time.tv_usec, lock_timeout,
fsp_fnum_dbg(blr->fsp), fsp_str_dbg(blr->fsp)));
return True;
}
