#include <sys/types.h>
#include <sys/kernel_types.h>
#include <sys/errno.h>
#include <sys/kernel.h>
#include <sys/file_internal.h>
#include <sys/stat.h>
#include <sys/select.h>
#include <sys/pipe.h>
#include <sys/proc_info.h>
#include <sys/domain.h>
#include <sys/protosw.h>
#include <sys/domain.h>
#include <sys/socketvar.h>
#include <sys/unpcb.h>
#include <sys/sys_domain.h>
#include <sys/kern_event.h>
#include <net/ndrv_var.h>
#include <netinet/in_pcb.h>
#include <netinet/tcp_var.h>
#include <string.h>
static void fill_sockbuf_info(struct sockbuf *sb, struct sockbuf_info *sbi);
static void fill_common_sockinfo(struct socket *so, struct socket_info *si);
static void
fill_sockbuf_info(struct sockbuf *sb, struct sockbuf_info *sbi)
{
sbi->sbi_cc = sb->sb_cc;
sbi->sbi_hiwat = sb->sb_hiwat;
sbi->sbi_mbcnt = sb->sb_mbcnt;
sbi->sbi_mbmax = sb->sb_mbmax;
sbi->sbi_lowat = sb->sb_lowat;
sbi->sbi_flags = sb->sb_flags;
sbi->sbi_timeo = (u_long)(sb->sb_timeo.tv_sec * hz) + sb->sb_timeo.tv_usec / tick;
if (sbi->sbi_timeo == 0 && sb->sb_timeo.tv_usec != 0)
sbi->sbi_timeo = 1;
}
static void
fill_common_sockinfo(struct socket *so, struct socket_info *si)
{
si->soi_so = (u_int64_t)((uintptr_t)so);
si->soi_type = so->so_type;
si->soi_options = so->so_options;
si->soi_linger = so->so_linger;
si->soi_state = so->so_state;
si->soi_pcb = (u_int64_t)((uintptr_t)so->so_pcb);
if (so->so_proto) {
si->soi_protocol = so->so_proto->pr_protocol;
if (so->so_proto->pr_domain)
si->soi_family = so->so_proto->pr_domain->dom_family;
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);
}
errno_t
fill_socketinfo(struct socket *so, struct socket_info *si)
{
errno_t error = 0;
int family;
short type;
short protocol;
socket_lock(so, 0);
si->soi_kind = SOCKINFO_GENERIC;
fill_common_sockinfo(so, si);
if (so->so_pcb == 0 || so->so_proto == 0 || so->so_proto->pr_domain == 0)
goto out;
family = so->so_proto->pr_domain->dom_family;
type = so->so_proto->pr_type;
protocol = so->so_proto->pr_protocol;
switch (family) {
case AF_INET:
case AF_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 = inp->inp_depend6.inp6_hlim;
insi->insi_v6.in6_cksum = inp->inp_depend6.inp6_cksum;
insi->insi_v6.in6_ifindex = inp->inp6_ifindex;
insi->insi_v6.in6_hops = inp->inp_depend6.inp6_hops;
if (type == SOCK_STREAM && (protocol == 0 || protocol == IPPROTO_TCP) && inp->inp_ppcb != 0) {
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)((uintptr_t)tp);
}
break;
}
case AF_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)((uintptr_t)unp->unp_conn);
if (unp->unp_conn)
unsi->unsi_conn_so = (uint64_t)((uintptr_t)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 AF_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;
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 AF_SYSTEM:
if (so->so_proto->pr_protocol == 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->vendor_code_filter;
kesi->kesi_class_filter = ev_pcb->class_filter;
kesi->kesi_subclass_filter = ev_pcb->subclass_filter;
} else if (so->so_proto->pr_protocol == 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 AF_APPLETALK:
break;
case AF_ROUTE:
break;
case AF_PPP:
break;
default:
break;
}
out:
socket_unlock(so, 0);
return error;
}