static void named_pipe_accept(struct stream_connection *conn)
{
struct tstream_context *plain_tstream;
int fd;
struct tevent_req *subreq;
int ret;
/* Let tstream take over fd operations */
fd = socket_get_fd(conn->socket);
socket_set_flags(conn->socket, SOCKET_FLAG_NOCLOSE);
TALLOC_FREE(conn->event.fde);
TALLOC_FREE(conn->socket);
ret = tstream_bsd_existing_socket(conn, fd, &plain_tstream);
if (ret != 0) {
stream_terminate_connection(conn,
"named_pipe_accept: out of memory");
return;
}
subreq = tstream_npa_accept_existing_send(conn, conn->event.ctx,
plain_tstream,
FILE_TYPE_MESSAGE_MODE_PIPE,
0xff | 0x0400 | 0x0100,
4096);
if (subreq == NULL) {
stream_terminate_connection(conn,
"named_pipe_accept: "
"no memory for tstream_npa_accept_existing_send");
return;
}
tevent_req_set_callback(subreq, named_pipe_accept_done, conn);
}
/*
called when we get a new connection
*/
static void kdc_tcp_accept(struct stream_connection *conn)
{
struct kdc_socket *kdc_socket;
struct kdc_tcp_connection *kdc_conn;
struct tevent_req *subreq;
int rc;
kdc_conn = talloc_zero(conn, struct kdc_tcp_connection);
if (kdc_conn == NULL) {
stream_terminate_connection(conn,
"kdc_tcp_accept: out of memory");
return;
}
kdc_conn->send_queue = tevent_queue_create(conn, "kdc_tcp_accept");
if (kdc_conn->send_queue == NULL) {
stream_terminate_connection(conn,
"kdc_tcp_accept: out of memory");
return;
}
kdc_socket = talloc_get_type(conn->private_data, struct kdc_socket);
TALLOC_FREE(conn->event.fde);
rc = tstream_bsd_existing_socket(kdc_conn,
socket_get_fd(conn->socket),
&kdc_conn->tstream);
if (rc < 0) {
stream_terminate_connection(conn,
"kdc_tcp_accept: out of memory");
return;
}
kdc_conn->conn = conn;
kdc_conn->kdc_socket = kdc_socket;
conn->private_data = kdc_conn;
/*
* The krb5 tcp pdu's has the length as 4 byte (initial_read_size),
* packet_full_request_u32 provides the pdu length then.
*/
subreq = tstream_read_pdu_blob_send(kdc_conn,
kdc_conn->conn->event.ctx,
kdc_conn->tstream,
4, /* initial_read_size */
packet_full_request_u32,
kdc_conn);
if (subreq == NULL) {
kdc_tcp_terminate_connection(kdc_conn, "kdc_tcp_accept: "
"no memory for tstream_read_pdu_blob_send");
return;
}
tevent_req_set_callback(subreq, kdc_tcp_call_loop, kdc_conn);
}
static void wbsrv_accept(struct stream_connection *conn)
{
struct wbsrv_listen_socket *wbsrv_socket = talloc_get_type(conn->private_data,
struct wbsrv_listen_socket);
struct wbsrv_connection *wbsrv_conn;
struct tevent_req *subreq;
int rc;
wbsrv_conn = talloc_zero(conn, struct wbsrv_connection);
if (wbsrv_conn == NULL) {
stream_terminate_connection(conn, "wbsrv_accept: out of memory");
return;
}
wbsrv_conn->send_queue = tevent_queue_create(conn, "wbsrv_accept");
if (wbsrv_conn->send_queue == NULL) {
stream_terminate_connection(conn,
"wbsrv_accept: out of memory");
return;
}
TALLOC_FREE(conn->event.fde);
rc = tstream_bsd_existing_socket(wbsrv_conn,
socket_get_fd(conn->socket),
&wbsrv_conn->tstream);
if (rc < 0) {
stream_terminate_connection(conn,
"wbsrv_accept: out of memory");
return;
}
wbsrv_conn->conn = conn;
wbsrv_conn->listen_socket = wbsrv_socket;
wbsrv_conn->lp_ctx = wbsrv_socket->service->task->lp_ctx;
conn->private_data = wbsrv_conn;
/*
* The winbind pdu's has the length as 4 byte (initial_read_size),
* wbsrv_samba3_packet_full_request provides the pdu length then.
*/
subreq = tstream_read_pdu_blob_send(wbsrv_conn,
wbsrv_conn->conn->event.ctx,
wbsrv_conn->tstream,
4, /* initial_read_size */
wbsrv_samba3_packet_full_request,
wbsrv_conn);
if (subreq == NULL) {
wbsrv_terminate_connection(wbsrv_conn, "wbsrv_accept: "
"no memory for tstream_read_pdu_blob_send");
return;
}
tevent_req_set_callback(subreq, wbsrv_call_loop, wbsrv_conn);
}
void named_pipe_accept_function(struct tevent_context *ev_ctx,
struct messaging_context *msg_ctx,
const char *pipe_name, int fd,
named_pipe_termination_fn *term_fn,
void *private_data)
{
struct named_pipe_client *npc;
struct tstream_context *plain;
struct tevent_req *subreq;
int ret;
npc = talloc_zero(ev_ctx, struct named_pipe_client);
if (!npc) {
DEBUG(0, ("Out of memory!\n"));
close(fd);
return;
}
npc->pipe_name = talloc_strdup(npc, pipe_name);
if (npc->pipe_name == NULL) {
DEBUG(0, ("Out of memory!\n"));
TALLOC_FREE(npc);
close(fd);
return;
}
npc->ev = ev_ctx;
npc->msg_ctx = msg_ctx;
npc->term_fn = term_fn;
npc->private_data = private_data;
talloc_set_destructor(npc, named_pipe_destructor);
/* make sure socket is in NON blocking state */
ret = set_blocking(fd, false);
if (ret != 0) {
DEBUG(2, ("Failed to make socket non-blocking\n"));
TALLOC_FREE(npc);
close(fd);
return;
}
ret = tstream_bsd_existing_socket(npc, fd, &plain);
if (ret != 0) {
DEBUG(2, ("Failed to create tstream socket\n"));
TALLOC_FREE(npc);
close(fd);
return;
}
npc->file_type = FILE_TYPE_MESSAGE_MODE_PIPE;
npc->device_state = 0xff | 0x0400 | 0x0100;
npc->allocation_size = 4096;
subreq = tstream_npa_accept_existing_send(npc, npc->ev, plain,
npc->file_type,
npc->device_state,
npc->allocation_size);
if (!subreq) {
DEBUG(2, ("Failed to start async accept procedure\n"));
TALLOC_FREE(npc);
close(fd);
return;
}
tevent_req_set_callback(subreq, named_pipe_accept_done, npc);
}
/*
called when we get a new connection
*/
static void wreplsrv_accept(struct stream_connection *conn)
{
struct wreplsrv_service *service = talloc_get_type(conn->private_data, struct wreplsrv_service);
struct wreplsrv_in_connection *wrepl_conn;
struct tsocket_address *peer_addr;
char *peer_ip;
struct tevent_req *subreq;
int rc;
wrepl_conn = talloc_zero(conn, struct wreplsrv_in_connection);
if (wrepl_conn == NULL) {
stream_terminate_connection(conn,
"wreplsrv_accept: out of memory");
return;
}
wrepl_conn->send_queue = tevent_queue_create(conn, "wrepl_accept");
if (wrepl_conn->send_queue == NULL) {
stream_terminate_connection(conn,
"wrepl_accept: out of memory");
return;
}
TALLOC_FREE(conn->event.fde);
rc = tstream_bsd_existing_socket(wrepl_conn,
socket_get_fd(conn->socket),
&wrepl_conn->tstream);
if (rc < 0) {
stream_terminate_connection(conn,
"wrepl_accept: out of memory");
return;
}
socket_set_flags(conn->socket, SOCKET_FLAG_NOCLOSE);
wrepl_conn->conn = conn;
wrepl_conn->service = service;
peer_addr = conn->remote_address;
if (!tsocket_address_is_inet(peer_addr, "ipv4")) {
DEBUG(0,("wreplsrv_accept: non ipv4 peer addr '%s'\n",
tsocket_address_string(peer_addr, wrepl_conn)));
wreplsrv_terminate_in_connection(wrepl_conn, "wreplsrv_accept: "
"invalid peer IP");
return;
}
peer_ip = tsocket_address_inet_addr_string(peer_addr, wrepl_conn);
if (peer_ip == NULL) {
wreplsrv_terminate_in_connection(wrepl_conn, "wreplsrv_accept: "
"could not convert peer IP into a string");
return;
}
wrepl_conn->partner = wreplsrv_find_partner(service, peer_ip);
irpc_add_name(conn->msg_ctx, "wreplsrv_connection");
/*
* The wrepl pdu's has the length as 4 byte (initial_read_size),
* packet_full_request_u32 provides the pdu length then.
*/
subreq = tstream_read_pdu_blob_send(wrepl_conn,
wrepl_conn->conn->event.ctx,
wrepl_conn->tstream,
4, /* initial_read_size */
packet_full_request_u32,
wrepl_conn);
if (subreq == NULL) {
wreplsrv_terminate_in_connection(wrepl_conn, "wrepl_accept: "
"no memory for tstream_read_pdu_blob_send");
return;
}
tevent_req_set_callback(subreq, wreplsrv_call_loop, wrepl_conn);
}
/*
initialise a server_context from a open socket and register a event handler
for reading from that socket
*/
static void ldapsrv_accept(struct stream_connection *c,
struct auth_session_info *session_info,
bool is_privileged)
{
struct ldapsrv_service *ldapsrv_service =
talloc_get_type(c->private_data, struct ldapsrv_service);
struct ldapsrv_connection *conn;
struct cli_credentials *server_credentials;
struct socket_address *socket_address;
NTSTATUS status;
int port;
int ret;
struct tevent_req *subreq;
struct timeval endtime;
conn = talloc_zero(c, struct ldapsrv_connection);
if (!conn) {
stream_terminate_connection(c, "ldapsrv_accept: out of memory");
return;
}
conn->is_privileged = is_privileged;
conn->sockets.send_queue = tevent_queue_create(conn, "ldapsev send queue");
if (conn->sockets.send_queue == NULL) {
stream_terminate_connection(c,
"ldapsrv_accept: tevent_queue_create failed");
return;
}
TALLOC_FREE(c->event.fde);
ret = tstream_bsd_existing_socket(conn,
socket_get_fd(c->socket),
&conn->sockets.raw);
if (ret == -1) {
stream_terminate_connection(c,
"ldapsrv_accept: out of memory");
return;
}
socket_set_flags(c->socket, SOCKET_FLAG_NOCLOSE);
conn->connection = c;
conn->service = ldapsrv_service;
conn->lp_ctx = ldapsrv_service->task->lp_ctx;
c->private_data = conn;
socket_address = socket_get_my_addr(c->socket, conn);
if (!socket_address) {
ldapsrv_terminate_connection(conn, "ldapsrv_accept: failed to obtain local socket address!");
return;
}
port = socket_address->port;
talloc_free(socket_address);
if (port == 3268 || port == 3269) /* Global catalog */ {
conn->global_catalog = true;
}
server_credentials = cli_credentials_init(conn);
if (!server_credentials) {
stream_terminate_connection(c, "Failed to init server credentials\n");
return;
}
cli_credentials_set_conf(server_credentials, conn->lp_ctx);
status = cli_credentials_set_machine_account(server_credentials, conn->lp_ctx);
if (!NT_STATUS_IS_OK(status)) {
stream_terminate_connection(c, talloc_asprintf(conn, "Failed to obtain server credentials, perhaps a standalone server?: %s\n", nt_errstr(status)));
return;
}
conn->server_credentials = server_credentials;
conn->session_info = session_info;
if (!NT_STATUS_IS_OK(ldapsrv_backend_Init(conn))) {
ldapsrv_terminate_connection(conn, "backend Init failed");
return;
}
/* load limits from the conf partition */
ldapsrv_load_limits(conn); /* should we fail on error ? */
/* register the server */
irpc_add_name(c->msg_ctx, "ldap_server");
conn->sockets.active = conn->sockets.raw;
if (port != 636 && port != 3269) {
ldapsrv_call_read_next(conn);
return;
}
endtime = timeval_current_ofs(conn->limits.conn_idle_time, 0);
subreq = tstream_tls_accept_send(conn,
conn->connection->event.ctx,
conn->sockets.raw,
conn->service->tls_params);
if (subreq == NULL) {
ldapsrv_terminate_connection(conn, "ldapsrv_accept: "
"no memory for tstream_tls_accept_send");
return;
}
tevent_req_set_endtime(subreq,
conn->connection->event.ctx,
endtime);
tevent_req_set_callback(subreq, ldapsrv_accept_tls_done, conn);
}
