static void named_pipe_packet_process(struct tevent_req *subreq)
{
struct named_pipe_client *npc =
tevent_req_callback_data(subreq, struct named_pipe_client);
struct _output_data *out = &npc->p->out_data;
DATA_BLOB recv_buffer = data_blob_null;
struct ncacn_packet *pkt;
NTSTATUS status;
ssize_t data_left;
ssize_t data_used;
char *data;
uint32_t to_send;
size_t i;
bool ok;
status = dcerpc_read_ncacn_packet_recv(subreq, npc, &pkt, &recv_buffer);
TALLOC_FREE(subreq);
if (!NT_STATUS_IS_OK(status)) {
goto fail;
}
data_left = recv_buffer.length;
data = (char *)recv_buffer.data;
while (data_left) {
data_used = process_incoming_data(npc->p, data, data_left);
if (data_used < 0) {
DEBUG(3, ("Failed to process dceprc request!\n"));
status = NT_STATUS_UNEXPECTED_IO_ERROR;
goto fail;
}
data_left -= data_used;
data += data_used;
}
/* Do not leak this buffer, npc is a long lived context */
talloc_free(recv_buffer.data);
talloc_free(pkt);
/* this is needed because of the way DCERPC Binds work in
* the RPC marshalling code */
to_send = out->frag.length - out->current_pdu_sent;
if (to_send > 0) {
npc->iov = talloc_zero(npc, struct iovec);
if (!npc->iov) {
status = NT_STATUS_NO_MEMORY;
goto fail;
}
npc->count = 1;
npc->iov[0].iov_base = out->frag.data
+ out->current_pdu_sent;
npc->iov[0].iov_len = to_send;
out->current_pdu_sent += to_send;
}
void named_pipe_packet_process(struct tevent_req *subreq)
{
struct named_pipe_client *npc =
tevent_req_callback_data(subreq, struct named_pipe_client);
struct _output_data *out = &npc->p->out_data;
DATA_BLOB recv_buffer = data_blob_null;
struct ncacn_packet *pkt;
NTSTATUS status;
uint32_t to_send;
size_t i;
bool ok;
status = dcerpc_read_ncacn_packet_recv(subreq, npc, &pkt, &recv_buffer);
TALLOC_FREE(subreq);
if (!NT_STATUS_IS_OK(status)) {
goto fail;
}
/* dcerpc_read_ncacn_packet_recv() returns a full PDU */
npc->p->in_data.pdu_needed_len = 0;
npc->p->in_data.pdu = recv_buffer;
if (dcerpc_get_endian_flag(&recv_buffer) & DCERPC_DREP_LE) {
npc->p->endian = RPC_LITTLE_ENDIAN;
} else {
npc->p->endian = RPC_BIG_ENDIAN;
}
DEBUG(10, ("PDU is in %s Endian format!\n",
npc->p->endian ? "Big" : "Little"));
process_complete_pdu(npc->p, pkt);
/* reset pipe state and free PDU */
npc->p->in_data.pdu.length = 0;
talloc_free(recv_buffer.data);
talloc_free(pkt);
/* this is needed because of the way DCERPC Binds work in
* the RPC marshalling code */
to_send = out->frag.length - out->current_pdu_sent;
if (to_send > 0) {
npc->iov = talloc_zero(npc, struct iovec);
if (!npc->iov) {
status = NT_STATUS_NO_MEMORY;
goto fail;
}
npc->count = 1;
npc->iov[0].iov_base = out->frag.data
+ out->current_pdu_sent;
npc->iov[0].iov_len = to_send;
out->current_pdu_sent += to_send;
}
