/*
* Connect to specified server via IP
*/
int
ncp_sock_connect_in(struct ncp_conn *conn) {
struct sockaddr_in sin;
struct thread *td = conn->td;
int addrlen=sizeof(sin), error;
conn->flags = 0;
bzero(&sin,addrlen);
conn->ncp_so = conn->wdg_so = NULL;
checkbad(socreate(AF_INET, &conn->ncp_so, SOCK_DGRAM, IPPROTO_UDP, td));
sin.sin_family = AF_INET;
sin.sin_len = addrlen;
checkbad(sobind(conn->ncp_so, (struct sockaddr *)&sin, td));
checkbad(ncp_soconnect(conn->ncp_so,(struct sockaddr*)&conn->li.addr, td));
if (!error)
conn->flags |= NCPFL_SOCONN;
return error;
bad:
ncp_sock_disconnect(conn);
return (error);
}
/*
* Connect to specified server via IPX
*/
static int
ncp_sock_connect_ipx(struct ncp_conn *conn)
{
struct sockaddr_ipx sipx;
struct ipxpcb *npcb;
struct thread *td = conn->td;
int addrlen, error, count;
sipx.sipx_port = htons(0);
for (count = 0;;count++) {
if (count > (IPXPORT_WELLKNOWN-IPXPORT_RESERVED)*2) {
error = EADDRINUSE;
goto bad;
}
conn->ncp_so = conn->wdg_so = NULL;
checkbad(socreate(AF_IPX, &conn->ncp_so, SOCK_DGRAM, 0, td->td_ucred, td));
if (conn->li.opt & NCP_OPT_WDOG)
checkbad(socreate(AF_IPX, &conn->wdg_so, SOCK_DGRAM, 0, td->td_ucred, td));
addrlen = sizeof(sipx);
sipx.sipx_family = AF_IPX;
ipx_setnullnet(sipx.sipx_addr);
ipx_setnullhost(sipx.sipx_addr);
sipx.sipx_len = addrlen;
error = sobind(conn->ncp_so, (struct sockaddr *)&sipx, td);
if (error == 0) {
if ((conn->li.opt & NCP_OPT_WDOG) == 0)
break;
sipx.sipx_addr = sotoipxpcb(conn->ncp_so)->ipxp_laddr;
sipx.sipx_port = htons(ntohs(sipx.sipx_port) + 1);
ipx_setnullnet(sipx.sipx_addr);
ipx_setnullhost(sipx.sipx_addr);
error = sobind(conn->wdg_so, (struct sockaddr *)&sipx, td);
}
if (!error) break;
if (error != EADDRINUSE) goto bad;
sipx.sipx_port = htons((ntohs(sipx.sipx_port)+4) & 0xfff8);
soclose(conn->ncp_so);
if (conn->wdg_so)
soclose(conn->wdg_so);
}
npcb = sotoipxpcb(conn->ncp_so);
npcb->ipxp_dpt = IPXPROTO_NCP;
/* IPXrouted must be running, i.e. route must be presented */
conn->li.ipxaddr.sipx_len = sizeof(struct sockaddr_ipx);
checkbad(ncp_soconnect(conn->ncp_so, &conn->li.saddr, td));
if (conn->wdg_so) {
sotoipxpcb(conn->wdg_so)->ipxp_laddr.x_net = npcb->ipxp_laddr.x_net;
sotoipxpcb(conn->wdg_so)->ipxp_laddr.x_host= npcb->ipxp_laddr.x_host;
}
if (!error) {
conn->flags |= NCPFL_SOCONN;
}
#ifdef NCPBURST
if (ncp_burst_enabled) {
checkbad(socreate(AF_IPX, &conn->bc_so, SOCK_DGRAM, 0, td));
bzero(&sipx, sizeof(sipx));
sipx.sipx_len = sizeof(sipx);
checkbad(sobind(conn->bc_so, (struct sockaddr *)&sipx, td));
checkbad(ncp_soconnect(conn->bc_so, &conn->li.saddr, td));
}
#endif
if (!error) {
conn->flags |= NCPFL_SOCONN;
ncp_sock_checksum(conn, 0);
}
return error;
bad:
ncp_sock_disconnect(conn);
return (error);
}
