int
ncp_rq_alloc_subfn(u_int8_t fn, u_int8_t subfn, struct ncp_conn *ncp,
struct thread *td, struct ucred *cred, struct ncp_rq **rqpp)
{
struct ncp_rq *rqp;
int error;
error = ncp_rq_alloc_any(NCP_REQUEST, fn, ncp, td, cred, &rqp);
if (error)
return error;
mb_reserve(&rqp->rq, 2);
mb_put_uint8(&rqp->rq, subfn);
*rqpp = rqp;
return 0;
}
/*
* Process initial NCP handshake (attach)
* NOTE: Since all functions below may change conn attributes, they
* should be called with LOCKED connection, also they use procp & ucred
*/
int
ncp_ncp_connect(struct ncp_conn *conn)
{
struct ncp_rq *rqp;
struct ncp_rphdr *rp;
int error;
error = ncp_rq_alloc_any(NCP_ALLOC_SLOT, 0, conn, conn->td, conn->ucred, &rqp);
if (error)
return error;
conn->flags &= ~(NCPFL_SIGNACTIVE | NCPFL_SIGNWANTED |
NCPFL_ATTACHED | NCPFL_LOGGED | NCPFL_INVALID);
conn->seq = 0;
error = ncp_request_int(rqp);
if (!error) {
rp = mtod(rqp->rp.md_top, struct ncp_rphdr*);
conn->connid = rp->conn_low + (rp->conn_high << 8);
}
int
ncp_rq_alloc(u_int8_t fn, struct ncp_conn *ncp,
struct thread *td, struct ucred *cred, struct ncp_rq **rqpp)
{
return ncp_rq_alloc_any(NCP_REQUEST, fn, ncp, td, cred, rqpp);
}