__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;
}
}
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);
}
__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);
}
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);
}
