Ejemplo n.º 1
0
__private_extern__ void
sotoxsocket_n(struct socket *so, struct xsocket_n *xso)
{
	xso->xso_len = sizeof (struct xsocket_n);
	xso->xso_kind = XSO_SOCKET;

	if (so != NULL) {
		xso->xso_so = (uint64_t)VM_KERNEL_ADDRPERM(so);
		xso->so_type = so->so_type;
		xso->so_options = so->so_options;
		xso->so_linger = so->so_linger;
		xso->so_state = so->so_state;
		xso->so_pcb = (uint64_t)VM_KERNEL_ADDRPERM(so->so_pcb);
		if (so->so_proto) {
			xso->xso_protocol = SOCK_PROTO(so);
			xso->xso_family = SOCK_DOM(so);
		} else {
			xso->xso_protocol = xso->xso_family = 0;
		}
		xso->so_qlen = so->so_qlen;
		xso->so_incqlen = so->so_incqlen;
		xso->so_qlimit = so->so_qlimit;
		xso->so_timeo = so->so_timeo;
		xso->so_error = so->so_error;
		xso->so_pgid = so->so_pgid;
		xso->so_oobmark = so->so_oobmark;
		xso->so_uid = kauth_cred_getuid(so->so_cred);
		xso->so_last_pid = so->last_pid;
		xso->so_e_pid = so->e_pid;
	}
}
Ejemplo n.º 2
0
static void
fill_common_sockinfo(struct socket *so, struct socket_info *si)
{
	si->soi_so = (u_int64_t)VM_KERNEL_ADDRPERM(so);
	si->soi_type = so->so_type;
	si->soi_options = (short)(so->so_options & 0xffff);
	si->soi_linger = so->so_linger;
	si->soi_state = so->so_state;
	si->soi_pcb = (u_int64_t)VM_KERNEL_ADDRPERM(so->so_pcb);
	if (so->so_proto) {
		si->soi_protocol = SOCK_PROTO(so);
		if (so->so_proto->pr_domain)
			si->soi_family = SOCK_DOM(so);
		else
			si->soi_family = 0;
	} else {
		si->soi_protocol = si->soi_family = 0;
	}
	si->soi_qlen = so->so_qlen;
	si->soi_incqlen = so->so_incqlen;
	si->soi_qlimit = so->so_qlimit;
	si->soi_timeo = so->so_timeo;
	si->soi_error = so->so_error;
	si->soi_oobmark = so->so_oobmark;
	fill_sockbuf_info(&so->so_snd, &si->soi_snd);
	fill_sockbuf_info(&so->so_rcv, &si->soi_rcv);
}
Ejemplo n.º 3
0
__private_extern__ void
inpcb_get_ports_used(uint32_t ifindex, int protocol, uint32_t flags,
    bitstr_t *bitfield, struct inpcbinfo *pcbinfo)
{
	struct inpcb *inp;
	struct socket *so;
	inp_gen_t gencnt;
	bool iswildcard, wildcardok, nowakeok;
	bool recvanyifonly, extbgidleok;
	bool activeonly;

	wildcardok = ((flags & INPCB_GET_PORTS_USED_WILDCARDOK) != 0);
	nowakeok = ((flags & INPCB_GET_PORTS_USED_NOWAKEUPOK) != 0);
	recvanyifonly = ((flags & INPCB_GET_PORTS_USED_RECVANYIFONLY) != 0);
	extbgidleok = ((flags & INPCB_GET_PORTS_USED_EXTBGIDLEONLY) != 0);
	activeonly = ((flags & INPCB_GET_PORTS_USED_ACTIVEONLY) != 0);

	lck_rw_lock_shared(pcbinfo->ipi_lock);
	gencnt = pcbinfo->ipi_gencnt;

	for (inp = LIST_FIRST(pcbinfo->ipi_listhead); inp;
	    inp = LIST_NEXT(inp, inp_list)) {
		uint16_t port;

		if (inp->inp_gencnt > gencnt ||
		    inp->inp_state == INPCB_STATE_DEAD ||
		    inp->inp_wantcnt == WNT_STOPUSING)
			continue;

		if ((so = inp->inp_socket) == NULL ||
		    (so->so_state & SS_DEFUNCT) ||
		    (so->so_state & SS_ISDISCONNECTED))
			continue;

		if (!(protocol == PF_UNSPEC ||
		    (protocol == PF_INET && (inp->inp_vflag & INP_IPV4)) ||
		    (protocol == PF_INET6 && (inp->inp_vflag & INP_IPV6))))
			continue;

		iswildcard = (((inp->inp_vflag & INP_IPV4) &&
		    inp->inp_laddr.s_addr == INADDR_ANY) ||
		    ((inp->inp_vflag & INP_IPV6) &&
		    IN6_IS_ADDR_UNSPECIFIED(&inp->in6p_laddr)));

		if (!wildcardok && iswildcard)
			continue;

		if ((so->so_options & SO_NOWAKEFROMSLEEP) &&
			!nowakeok)
			continue;

		if (!(inp->inp_flags & INP_RECV_ANYIF) &&
			recvanyifonly)
			continue;

		if (!(so->so_flags1 & SOF1_EXTEND_BK_IDLE_WANTED) &&
			extbgidleok)
			continue;

		if (!iswildcard &&
		    !(ifindex == 0 || inp->inp_last_outifp == NULL ||
		    ifindex == inp->inp_last_outifp->if_index))
			continue;

		if (SOCK_PROTO(inp->inp_socket) == IPPROTO_UDP &&
		    so->so_state & SS_CANTRCVMORE)
			continue;

		if (SOCK_PROTO(inp->inp_socket) == IPPROTO_TCP) {
			struct  tcpcb *tp = sototcpcb(inp->inp_socket);

			/*
			 * Workaround race where inp_ppcb is NULL during
			 * socket initialization
			 */
			if (tp == NULL)
				continue;

			switch (tp->t_state) {
				case TCPS_CLOSED:
					continue;
					/* NOT REACHED */
				case TCPS_LISTEN:
				case TCPS_SYN_SENT:
				case TCPS_SYN_RECEIVED:
				case TCPS_ESTABLISHED:
				case TCPS_FIN_WAIT_1:
					/*
					 * Note: FIN_WAIT_1 is an active state
					 * because we need our FIN to be
					 * acknowledged
					 */
					break;
				case TCPS_CLOSE_WAIT:
				case TCPS_CLOSING:
				case TCPS_LAST_ACK:
				case TCPS_FIN_WAIT_2:
					/*
					 * In the closing states, the connection
					 * is not idle when there is outgoing
					 * data having to be acknowledged
					 */
					if (activeonly && so->so_snd.sb_cc == 0)
						continue;
					break;
				case TCPS_TIME_WAIT:
					continue;
					/* NOT REACHED */
			}
		}
		/*
		 * Final safeguard to exclude unspecified local port
		 */
		port = ntohs(inp->inp_lport);
		if (port == 0)
			continue;
		bit_set(bitfield, port);
	}
	lck_rw_done(pcbinfo->ipi_lock);
}
Ejemplo n.º 4
0
errno_t
fill_socketinfo(struct socket *so, struct socket_info *si)
{
	errno_t error = 0;
	int domain;
	short type;
	short protocol;

	socket_lock(so, 0);

	si->soi_kind = SOCKINFO_GENERIC;

	fill_common_sockinfo(so, si);

	if (so->so_pcb == NULL || so->so_proto == 0 ||
	    so->so_proto->pr_domain == NULL)
		goto out;

	/*
	 * The kind of socket is determined by the triplet
	 * {domain, type, protocol}
	 */
	domain = SOCK_DOM(so);
	type = SOCK_TYPE(so);
	protocol = SOCK_PROTO(so);
	switch (domain) {
	case PF_INET:
	case PF_INET6: {
		struct in_sockinfo *insi = &si->soi_proto.pri_in;
		struct inpcb *inp = (struct inpcb *)so->so_pcb;

		si->soi_kind = SOCKINFO_IN;

		insi->insi_fport = inp->inp_fport;
		insi->insi_lport = inp->inp_lport;
		insi->insi_gencnt = inp->inp_gencnt;
		insi->insi_flags = inp->inp_flags;
		insi->insi_vflag = inp->inp_vflag;
		insi->insi_ip_ttl = inp->inp_ip_ttl;
		insi->insi_faddr.ina_6 = inp->inp_dependfaddr.inp6_foreign;
		insi->insi_laddr.ina_6 = inp->inp_dependladdr.inp6_local;
		insi->insi_v4.in4_tos = inp->inp_depend4.inp4_ip_tos;
		insi->insi_v6.in6_hlim = 0;
		insi->insi_v6.in6_cksum = inp->inp_depend6.inp6_cksum;
		insi->insi_v6.in6_ifindex = 0;
		insi->insi_v6.in6_hops = inp->inp_depend6.inp6_hops;

		if (type == SOCK_STREAM && (protocol == 0 ||
		    protocol == IPPROTO_TCP) && inp->inp_ppcb != NULL) {
			struct tcp_sockinfo *tcpsi = &si->soi_proto.pri_tcp;
			struct tcpcb *tp = (struct tcpcb *)inp->inp_ppcb;

			si->soi_kind = SOCKINFO_TCP;

			tcpsi->tcpsi_state = tp->t_state;
			tcpsi->tcpsi_timer[TCPT_REXMT] =
			    tp->t_timer[TCPT_REXMT];
			tcpsi->tcpsi_timer[TCPT_PERSIST] =
			    tp->t_timer[TCPT_PERSIST];
			tcpsi->tcpsi_timer[TCPT_KEEP] = tp->t_timer[TCPT_KEEP];
			tcpsi->tcpsi_timer[TCPT_2MSL] = tp->t_timer[TCPT_2MSL];
			tcpsi->tcpsi_mss = tp->t_maxseg;
			tcpsi->tcpsi_flags = tp->t_flags;
			tcpsi->tcpsi_tp =
			    (u_int64_t)VM_KERNEL_ADDRPERM(tp);
		}
		break;
	}
	case PF_UNIX: {
		struct unpcb *unp = (struct unpcb *)so->so_pcb;
		struct un_sockinfo *unsi = &si->soi_proto.pri_un;

		si->soi_kind = SOCKINFO_UN;

		unsi->unsi_conn_pcb =
		    (uint64_t)VM_KERNEL_ADDRPERM(unp->unp_conn);
		if (unp->unp_conn)
			unsi->unsi_conn_so = (uint64_t)
			    VM_KERNEL_ADDRPERM(unp->unp_conn->unp_socket);

		if (unp->unp_addr) {
			size_t	addrlen = unp->unp_addr->sun_len;

			if (addrlen > SOCK_MAXADDRLEN)
				addrlen = SOCK_MAXADDRLEN;
			bcopy(unp->unp_addr, &unsi->unsi_addr, addrlen);
		}
		if (unp->unp_conn && unp->unp_conn->unp_addr) {
			size_t	addrlen = unp->unp_conn->unp_addr->sun_len;

			if (addrlen > SOCK_MAXADDRLEN)
				addrlen = SOCK_MAXADDRLEN;
			bcopy(unp->unp_conn->unp_addr, &unsi->unsi_caddr,
			    addrlen);
		}
		break;
	}
	case PF_NDRV: {
		struct ndrv_cb *ndrv_cb = (struct ndrv_cb *)so->so_pcb;
		struct ndrv_info *ndrvsi = &si->soi_proto.pri_ndrv;

		si->soi_kind = SOCKINFO_NDRV;

		/* TDB lock ifnet ???? */
		if (ndrv_cb->nd_if != 0) {
			struct ifnet *ifp = ndrv_cb->nd_if;

			ndrvsi->ndrvsi_if_family = ifp->if_family;
			ndrvsi->ndrvsi_if_unit = ifp->if_unit;
			strlcpy(ndrvsi->ndrvsi_if_name, ifp->if_name, IFNAMSIZ);
		}
		break;
	}
	case PF_SYSTEM:
		if (SOCK_PROTO(so) == SYSPROTO_EVENT) {
			struct kern_event_pcb *ev_pcb =
			    (struct kern_event_pcb *)so->so_pcb;
			struct kern_event_info *kesi =
			    &si->soi_proto.pri_kern_event;

			si->soi_kind = SOCKINFO_KERN_EVENT;

			kesi->kesi_vendor_code_filter =
			    ev_pcb->evp_vendor_code_filter;
			kesi->kesi_class_filter = ev_pcb->evp_class_filter;
			kesi->kesi_subclass_filter = ev_pcb->evp_subclass_filter;

		} else if (SOCK_PROTO(so) == SYSPROTO_CONTROL) {
			struct ctl_cb *kcb = (struct ctl_cb *)so->so_pcb;
			struct kern_ctl_info *kcsi =
			    &si->soi_proto.pri_kern_ctl;
			struct kctl *kctl = kcb->kctl;

			si->soi_kind = SOCKINFO_KERN_CTL;

			if (kctl == 0)
				break;
			kcsi->kcsi_id = kctl->id;
			kcsi->kcsi_reg_unit = kctl->id;
			kcsi->kcsi_flags = kctl->flags;
			kcsi->kcsi_recvbufsize = kctl->recvbufsize;
			kcsi->kcsi_sendbufsize = kctl->sendbufsize;
			kcsi->kcsi_unit = kcb->unit;
			strlcpy(kcsi->kcsi_name, kctl->name, MAX_KCTL_NAME);
		}
		break;

	case PF_ROUTE:
	case PF_PPP:
	default:
		break;
	}
out:
	socket_unlock(so, 0);

	return (error);
}