#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/malloc.h>
#include <sys/mbuf.h>
#include <sys/proc.h>
#include <sys/domain.h>
#include <sys/protosw.h>
#include <sys/socket.h>
#include <sys/socketvar.h>
#include <sys/sysctl.h>
#include <libkern/OSAtomic.h>
#include <kern/zalloc.h>
#include <pexpert/pexpert.h>
#include <net/if.h>
#include <net/route.h>
#define _IP_VHL
#include <netinet/in.h>
#include <netinet/in_systm.h>
#include <netinet/ip.h>
#include <netinet/in_pcb.h>
#include <netinet/in_var.h>
#include <netinet/ip_var.h>
#include <netinet/ip_mroute.h>
#if INET6
#include <netinet6/in6_pcb.h>
#endif
#include <netinet/ip_fw.h>
#if IPSEC
#include <netinet6/ipsec.h>
#endif
#if DUMMYNET
#include <netinet/ip_dummynet.h>
#endif
#if CONFIG_MACF_NET
#include <security/mac_framework.h>
#endif
int load_ipfw(void);
int rip_detach(struct socket *);
int rip_abort(struct socket *);
int rip_disconnect(struct socket *);
int rip_bind(struct socket *, struct sockaddr *, struct proc *);
int rip_connect(struct socket *, struct sockaddr *, struct proc *);
int rip_shutdown(struct socket *);
#if IPSEC
extern int ipsec_bypass;
#endif
struct inpcbhead ripcb;
struct inpcbinfo ripcbinfo;
#if IPFIREWALL
ip_fw_ctl_t *ip_fw_ctl_ptr;
#if DUMMYNET
ip_dn_ctl_t *ip_dn_ctl_ptr;
#endif
#endif
#define RIPSNDQ 8192
#define RIPRCVQ 8192
void
rip_init()
{
struct inpcbinfo *pcbinfo;
LIST_INIT(&ripcb);
ripcbinfo.listhead = &ripcb;
ripcbinfo.hashbase = hashinit(1, M_PCB, &ripcbinfo.hashmask);
ripcbinfo.porthashbase = hashinit(1, M_PCB, &ripcbinfo.porthashmask);
ripcbinfo.ipi_zone = (void *) zinit(sizeof(struct inpcb),
(4096 * sizeof(struct inpcb)),
4096, "ripzone");
pcbinfo = &ripcbinfo;
pcbinfo->mtx_grp_attr = lck_grp_attr_alloc_init();
pcbinfo->mtx_grp = lck_grp_alloc_init("ripcb", pcbinfo->mtx_grp_attr);
pcbinfo->mtx_attr = lck_attr_alloc_init();
if ((pcbinfo->mtx = lck_rw_alloc_init(pcbinfo->mtx_grp, pcbinfo->mtx_attr)) == NULL)
return;
}
static struct sockaddr_in ripsrc = { sizeof(ripsrc), AF_INET , 0, {0}, {0,0,0,0,0,0,0,0,} };
void
rip_input(m, iphlen)
struct mbuf *m;
int iphlen;
{
register struct ip *ip = mtod(m, struct ip *);
register struct inpcb *inp;
struct inpcb *last = 0;
struct mbuf *opts = 0;
int skipit;
ripsrc.sin_addr = ip->ip_src;
lck_rw_lock_shared(ripcbinfo.mtx);
LIST_FOREACH(inp, &ripcb, inp_list) {
#if INET6
if ((inp->inp_vflag & INP_IPV4) == 0)
continue;
#endif
if (inp->inp_ip_p && (inp->inp_ip_p != ip->ip_p))
continue;
if (inp->inp_laddr.s_addr &&
inp->inp_laddr.s_addr != ip->ip_dst.s_addr)
continue;
if (inp->inp_faddr.s_addr &&
inp->inp_faddr.s_addr != ip->ip_src.s_addr)
continue;
if (last) {
struct mbuf *n = m_copy(m, 0, (int)M_COPYALL);
#if IPSEC
skipit = 0;
if (ipsec_bypass == 0 && n) {
if (ipsec4_in_reject_so(n, last->inp_socket)) {
m_freem(n);
IPSEC_STAT_INCREMENT(ipsecstat.in_polvio);
skipit = 1;
}
}
#endif
#if CONFIG_MACF_NET
if (n && skipit == 0) {
if (mac_inpcb_check_deliver(last, n, AF_INET,
SOCK_RAW) != 0)
skipit = 1;
}
#endif
if (n && skipit == 0) {
int error = 0;
if (last->inp_flags & INP_CONTROLOPTS ||
last->inp_socket->so_options & SO_TIMESTAMP)
ip_savecontrol(last, &opts, ip, n);
if (last->inp_flags & INP_STRIPHDR) {
n->m_len -= iphlen;
n->m_pkthdr.len -= iphlen;
n->m_data += iphlen;
}
if (sbappendaddr(&last->inp_socket->so_rcv,
(struct sockaddr *)&ripsrc, n,
opts, &error) != 0) {
sorwakeup(last->inp_socket);
}
else {
if (error) {
kprintf("rip_input can't append to socket\n");
}
}
opts = 0;
}
}
last = inp;
}
lck_rw_done(ripcbinfo.mtx);
#if IPSEC
skipit = 0;
if (ipsec_bypass == 0 && last) {
if (ipsec4_in_reject_so(m, last->inp_socket)) {
m_freem(m);
IPSEC_STAT_INCREMENT(ipsecstat.in_polvio);
OSAddAtomic(1, &ipstat.ips_delivered);
skipit = 1;
}
}
#endif
#if CONFIG_MACF_NET
if (last && skipit == 0) {
if (mac_inpcb_check_deliver(last, m, AF_INET, SOCK_RAW) != 0)
skipit = 1;
}
#endif
if (skipit == 0) {
if (last) {
if (last->inp_flags & INP_CONTROLOPTS ||
last->inp_socket->so_options & SO_TIMESTAMP)
ip_savecontrol(last, &opts, ip, m);
if (last->inp_flags & INP_STRIPHDR) {
m->m_len -= iphlen;
m->m_pkthdr.len -= iphlen;
m->m_data += iphlen;
}
if (sbappendaddr(&last->inp_socket->so_rcv,
(struct sockaddr *)&ripsrc, m, opts, NULL) != 0) {
sorwakeup(last->inp_socket);
} else {
kprintf("rip_input(2) can't append to socket\n");
}
} else {
m_freem(m);
OSAddAtomic(1, &ipstat.ips_noproto);
OSAddAtomic(-1, &ipstat.ips_delivered);
}
}
}
int
rip_output(m, so, dst)
register struct mbuf *m;
struct socket *so;
u_int32_t dst;
{
register struct ip *ip;
register struct inpcb *inp = sotoinpcb(so);
int flags = (so->so_options & SO_DONTROUTE) | IP_ALLOWBROADCAST;
struct ip_out_args ipoa;
int error = 0;
ipoa.ipoa_ifscope = (inp->inp_flags & INP_BOUND_IF) ?
inp->inp_boundif : IFSCOPE_NONE;
flags |= IP_OUTARGS;
if ((inp->inp_flags & INP_HDRINCL) == 0) {
if (m->m_pkthdr.len + sizeof(struct ip) > IP_MAXPACKET) {
m_freem(m);
return(EMSGSIZE);
}
M_PREPEND(m, sizeof(struct ip), M_WAIT);
if (m == NULL)
return ENOBUFS;
ip = mtod(m, struct ip *);
ip->ip_tos = inp->inp_ip_tos;
ip->ip_off = 0;
ip->ip_p = inp->inp_ip_p;
ip->ip_len = m->m_pkthdr.len;
ip->ip_src = inp->inp_laddr;
ip->ip_dst.s_addr = dst;
ip->ip_ttl = inp->inp_ip_ttl;
} else {
if (m->m_pkthdr.len > IP_MAXPACKET) {
m_freem(m);
return(EMSGSIZE);
}
ip = mtod(m, struct ip *);
if (((IP_VHL_HL(ip->ip_vhl) != (sizeof (*ip) >> 2))
&& inp->inp_options)
|| (ip->ip_len > m->m_pkthdr.len)
|| (ip->ip_len < (IP_VHL_HL(ip->ip_vhl) << 2))) {
m_freem(m);
return EINVAL;
}
if (ip->ip_id == 0)
#if RANDOM_IP_ID
ip->ip_id = ip_randomid();
#else
ip->ip_id = htons(ip_id++);
#endif
flags |= IP_RAWOUTPUT;
OSAddAtomic(1, &ipstat.ips_rawout);
}
#if IPSEC
if (ipsec_bypass == 0 && ipsec_setsocket(m, so) != 0) {
m_freem(m);
return ENOBUFS;
}
#endif
if (inp->inp_route.ro_rt != NULL &&
inp->inp_route.ro_rt->generation_id != route_generation) {
rtfree(inp->inp_route.ro_rt);
inp->inp_route.ro_rt = NULL;
}
#if PKT_PRIORITY
if (soisbackground(so))
m_prio_background(m);
#endif
#if CONFIG_MACF_NET
mac_mbuf_label_associate_inpcb(inp, m);
#endif
error = ip_output(m, inp->inp_options, &inp->inp_route, flags,
inp->inp_moptions, &ipoa);
#if IFNET_ROUTE_REFCNT
if (inp->inp_route.ro_rt != NULL &&
((inp->inp_route.ro_rt->rt_flags & (RTF_MULTICAST|RTF_BROADCAST)) ||
inp->inp_socket == NULL ||
inp->inp_socket->so_state != SS_ISCONNECTED)) {
rtfree(inp->inp_route.ro_rt);
inp->inp_route.ro_rt = NULL;
}
#endif
return (error);
}
#if IPFIREWALL
int
load_ipfw(void)
{
kern_return_t err;
ipfw_init();
#if DUMMYNET
if (!DUMMYNET_LOADED)
ip_dn_init();
#endif
err = 0;
return err == 0 && ip_fw_ctl_ptr == NULL ? -1 : err;
}
#endif
int
rip_ctloutput(so, sopt)
struct socket *so;
struct sockopt *sopt;
{
struct inpcb *inp = sotoinpcb(so);
int error, optval;
if (sopt->sopt_level != IPPROTO_IP)
return (EINVAL);
error = 0;
switch (sopt->sopt_dir) {
case SOPT_GET:
switch (sopt->sopt_name) {
case IP_HDRINCL:
optval = inp->inp_flags & INP_HDRINCL;
error = sooptcopyout(sopt, &optval, sizeof optval);
break;
case IP_STRIPHDR:
optval = inp->inp_flags & INP_STRIPHDR;
error = sooptcopyout(sopt, &optval, sizeof optval);
break;
#if IPFIREWALL
case IP_FW_ADD:
case IP_FW_GET:
case IP_OLD_FW_ADD:
case IP_OLD_FW_GET:
if (ip_fw_ctl_ptr == 0)
error = load_ipfw();
if (ip_fw_ctl_ptr && error == 0)
error = ip_fw_ctl_ptr(sopt);
else
error = ENOPROTOOPT;
break;
#endif
#if DUMMYNET
case IP_DUMMYNET_GET:
if (DUMMYNET_LOADED)
error = ip_dn_ctl_ptr(sopt);
else
error = ENOPROTOOPT;
break ;
#endif
#if MROUTING
case MRT_INIT:
case MRT_DONE:
case MRT_ADD_VIF:
case MRT_DEL_VIF:
case MRT_ADD_MFC:
case MRT_DEL_MFC:
case MRT_VERSION:
case MRT_ASSERT:
error = ip_mrouter_get(so, sopt);
break;
#endif
default:
error = ip_ctloutput(so, sopt);
break;
}
break;
case SOPT_SET:
switch (sopt->sopt_name) {
case IP_HDRINCL:
error = sooptcopyin(sopt, &optval, sizeof optval,
sizeof optval);
if (error)
break;
if (optval)
inp->inp_flags |= INP_HDRINCL;
else
inp->inp_flags &= ~INP_HDRINCL;
break;
case IP_STRIPHDR:
error = sooptcopyin(sopt, &optval, sizeof optval,
sizeof optval);
if (error)
break;
if (optval)
inp->inp_flags |= INP_STRIPHDR;
else
inp->inp_flags &= ~INP_STRIPHDR;
break;
#if IPFIREWALL
case IP_FW_ADD:
case IP_FW_DEL:
case IP_FW_FLUSH:
case IP_FW_ZERO:
case IP_FW_RESETLOG:
case IP_OLD_FW_ADD:
case IP_OLD_FW_DEL:
case IP_OLD_FW_FLUSH:
case IP_OLD_FW_ZERO:
case IP_OLD_FW_RESETLOG:
if (ip_fw_ctl_ptr == 0)
error = load_ipfw();
if (ip_fw_ctl_ptr && error == 0)
error = ip_fw_ctl_ptr(sopt);
else
error = ENOPROTOOPT;
break;
#endif
#if DUMMYNET
case IP_DUMMYNET_CONFIGURE:
case IP_DUMMYNET_DEL:
case IP_DUMMYNET_FLUSH:
if (DUMMYNET_LOADED)
error = ip_dn_ctl_ptr(sopt);
else
error = ENOPROTOOPT ;
break ;
#endif
#if MROUTING
case IP_RSVP_ON:
error = ip_rsvp_init(so);
break;
case IP_RSVP_OFF:
error = ip_rsvp_done();
break;
case IP_RSVP_VIF_ON:
error = ip_rsvp_vif_init(so, sopt);
break;
case IP_RSVP_VIF_OFF:
error = ip_rsvp_vif_done(so, sopt);
break;
case MRT_INIT:
case MRT_DONE:
case MRT_ADD_VIF:
case MRT_DEL_VIF:
case MRT_ADD_MFC:
case MRT_DEL_MFC:
case MRT_VERSION:
case MRT_ASSERT:
error = ip_mrouter_set(so, sopt);
break;
#endif
default:
error = ip_ctloutput(so, sopt);
break;
}
break;
}
return (error);
}
void
rip_ctlinput(
int cmd,
struct sockaddr *sa,
__unused void *vip)
{
struct in_ifaddr *ia;
struct ifnet *ifp;
int err;
int flags, done = 0;
switch (cmd) {
case PRC_IFDOWN:
lck_rw_lock_shared(in_ifaddr_rwlock);
for (ia = in_ifaddrhead.tqh_first; ia;
ia = ia->ia_link.tqe_next) {
if (ia->ia_ifa.ifa_addr == sa
&& (ia->ia_flags & IFA_ROUTE)) {
done = 1;
ifaref(&ia->ia_ifa);
lck_rw_done(in_ifaddr_rwlock);
lck_mtx_lock(rnh_lock);
in_ifscrub(ia->ia_ifp, ia, 1);
in_ifadown(&ia->ia_ifa, 1);
lck_mtx_unlock(rnh_lock);
ifafree(&ia->ia_ifa);
break;
}
}
if (!done)
lck_rw_done(in_ifaddr_rwlock);
break;
case PRC_IFUP:
lck_rw_lock_shared(in_ifaddr_rwlock);
for (ia = in_ifaddrhead.tqh_first; ia;
ia = ia->ia_link.tqe_next) {
if (ia->ia_ifa.ifa_addr == sa)
break;
}
if (ia == 0 || (ia->ia_flags & IFA_ROUTE)) {
lck_rw_done(in_ifaddr_rwlock);
return;
}
ifaref(&ia->ia_ifa);
lck_rw_done(in_ifaddr_rwlock);
flags = RTF_UP;
ifp = ia->ia_ifa.ifa_ifp;
if ((ifp->if_flags & IFF_LOOPBACK)
|| (ifp->if_flags & IFF_POINTOPOINT))
flags |= RTF_HOST;
err = rtinit(&ia->ia_ifa, RTM_ADD, flags);
if (err == 0)
ia->ia_flags |= IFA_ROUTE;
ifafree(&ia->ia_ifa);
break;
}
}
u_int32_t rip_sendspace = RIPSNDQ;
u_int32_t rip_recvspace = RIPRCVQ;
SYSCTL_INT(_net_inet_raw, OID_AUTO, maxdgram, CTLFLAG_RW,
&rip_sendspace, 0, "Maximum outgoing raw IP datagram size");
SYSCTL_INT(_net_inet_raw, OID_AUTO, recvspace, CTLFLAG_RW,
&rip_recvspace, 0, "Maximum incoming raw IP datagram size");
static int
rip_attach(struct socket *so, int proto, struct proc *p)
{
struct inpcb *inp;
int error;
inp = sotoinpcb(so);
if (inp)
panic("rip_attach");
if ((so->so_state & SS_PRIV) == 0)
return (EPERM);
error = soreserve(so, rip_sendspace, rip_recvspace);
if (error)
return error;
error = in_pcballoc(so, &ripcbinfo, p);
if (error)
return error;
inp = (struct inpcb *)so->so_pcb;
inp->inp_vflag |= INP_IPV4;
inp->inp_ip_p = proto;
inp->inp_ip_ttl = ip_defttl;
return 0;
}
__private_extern__ int
rip_detach(struct socket *so)
{
struct inpcb *inp;
inp = sotoinpcb(so);
if (inp == 0)
panic("rip_detach");
#if MROUTING
if (so == ip_mrouter)
ip_mrouter_done();
ip_rsvp_force_done(so);
if (so == ip_rsvpd)
ip_rsvp_done();
#endif
in_pcbdetach(inp);
return 0;
}
__private_extern__ int
rip_abort(struct socket *so)
{
soisdisconnected(so);
return rip_detach(so);
}
__private_extern__ int
rip_disconnect(struct socket *so)
{
if ((so->so_state & SS_ISCONNECTED) == 0)
return ENOTCONN;
return rip_abort(so);
}
__private_extern__ int
rip_bind(struct socket *so, struct sockaddr *nam, __unused struct proc *p)
{
struct inpcb *inp = sotoinpcb(so);
struct sockaddr_in *addr = (struct sockaddr_in *)nam;
struct ifaddr *ifa = NULL;
if (nam->sa_len != sizeof(*addr))
return EINVAL;
if (TAILQ_EMPTY(&ifnet_head) || ((addr->sin_family != AF_INET) &&
(addr->sin_family != AF_IMPLINK)) ||
(addr->sin_addr.s_addr &&
(ifa = ifa_ifwithaddr((struct sockaddr *)addr)) == 0)) {
return EADDRNOTAVAIL;
}
else if (ifa) {
ifafree(ifa);
ifa = NULL;
}
inp->inp_laddr = addr->sin_addr;
return 0;
}
__private_extern__ int
rip_connect(struct socket *so, struct sockaddr *nam, __unused struct proc *p)
{
struct inpcb *inp = sotoinpcb(so);
struct sockaddr_in *addr = (struct sockaddr_in *)nam;
if (nam->sa_len != sizeof(*addr))
return EINVAL;
if (TAILQ_EMPTY(&ifnet_head))
return EADDRNOTAVAIL;
if ((addr->sin_family != AF_INET) &&
(addr->sin_family != AF_IMPLINK))
return EAFNOSUPPORT;
inp->inp_faddr = addr->sin_addr;
soisconnected(so);
return 0;
}
__private_extern__ int
rip_shutdown(struct socket *so)
{
socantsendmore(so);
return 0;
}
__private_extern__ int
rip_send(struct socket *so, __unused int flags, struct mbuf *m, struct sockaddr *nam,
__unused struct mbuf *control, __unused struct proc *p)
{
struct inpcb *inp = sotoinpcb(so);
register u_int32_t dst;
if (so->so_state & SS_ISCONNECTED) {
if (nam) {
m_freem(m);
return EISCONN;
}
dst = inp->inp_faddr.s_addr;
} else {
if (nam == NULL) {
m_freem(m);
return ENOTCONN;
}
dst = ((struct sockaddr_in *)nam)->sin_addr.s_addr;
}
return rip_output(m, so, dst);
}
int
rip_unlock(struct socket *so, int refcount, void *debug)
{
void *lr_saved;
struct inpcb *inp = sotoinpcb(so);
if (debug == NULL)
lr_saved = __builtin_return_address(0);
else
lr_saved = debug;
if (refcount) {
if (so->so_usecount <= 0) {
panic("rip_unlock: bad refoucnt so=%p val=%x lrh= %s\n",
so, so->so_usecount, solockhistory_nr(so));
}
so->so_usecount--;
if (so->so_usecount == 0 && (inp->inp_wantcnt == WNT_STOPUSING)) {
lck_mtx_unlock(so->so_proto->pr_domain->dom_mtx);
lck_rw_lock_exclusive(ripcbinfo.mtx);
if (inp->inp_state != INPCB_STATE_DEAD) {
#if INET6
if (INP_CHECK_SOCKAF(so, AF_INET6))
in6_pcbdetach(inp);
else
#endif
in_pcbdetach(inp);
}
in_pcbdispose(inp);
lck_rw_done(ripcbinfo.mtx);
return(0);
}
}
so->unlock_lr[so->next_unlock_lr] = lr_saved;
so->next_unlock_lr = (so->next_unlock_lr+1) % SO_LCKDBG_MAX;
lck_mtx_unlock(so->so_proto->pr_domain->dom_mtx);
return(0);
}
static int
rip_pcblist SYSCTL_HANDLER_ARGS
{
#pragma unused(oidp, arg1, arg2)
int error, i, n;
struct inpcb *inp, **inp_list;
inp_gen_t gencnt;
struct xinpgen xig;
lck_rw_lock_exclusive(ripcbinfo.mtx);
if (req->oldptr == USER_ADDR_NULL) {
n = ripcbinfo.ipi_count;
req->oldidx = 2 * (sizeof xig)
+ (n + n/8) * sizeof(struct xinpcb);
lck_rw_done(ripcbinfo.mtx);
return 0;
}
if (req->newptr != USER_ADDR_NULL) {
lck_rw_done(ripcbinfo.mtx);
return EPERM;
}
gencnt = ripcbinfo.ipi_gencnt;
n = ripcbinfo.ipi_count;
bzero(&xig, sizeof(xig));
xig.xig_len = sizeof xig;
xig.xig_count = n;
xig.xig_gen = gencnt;
xig.xig_sogen = so_gencnt;
error = SYSCTL_OUT(req, &xig, sizeof xig);
if (error) {
lck_rw_done(ripcbinfo.mtx);
return error;
}
if (n == 0) {
lck_rw_done(ripcbinfo.mtx);
return 0;
}
inp_list = _MALLOC(n * sizeof *inp_list, M_TEMP, M_WAITOK);
if (inp_list == 0) {
lck_rw_done(ripcbinfo.mtx);
return ENOMEM;
}
for (inp = ripcbinfo.listhead->lh_first, i = 0; inp && i < n;
inp = inp->inp_list.le_next) {
if (inp->inp_gencnt <= gencnt && inp->inp_state != INPCB_STATE_DEAD)
inp_list[i++] = inp;
}
n = i;
error = 0;
for (i = 0; i < n; i++) {
inp = inp_list[i];
if (inp->inp_gencnt <= gencnt && inp->inp_state != INPCB_STATE_DEAD) {
struct xinpcb xi;
bzero(&xi, sizeof(xi));
xi.xi_len = sizeof xi;
inpcb_to_compat(inp, &xi.xi_inp);
if (inp->inp_socket)
sotoxsocket(inp->inp_socket, &xi.xi_socket);
error = SYSCTL_OUT(req, &xi, sizeof xi);
}
}
if (!error) {
bzero(&xig, sizeof(xig));
xig.xig_len = sizeof xig;
xig.xig_gen = ripcbinfo.ipi_gencnt;
xig.xig_sogen = so_gencnt;
xig.xig_count = ripcbinfo.ipi_count;
error = SYSCTL_OUT(req, &xig, sizeof xig);
}
FREE(inp_list, M_TEMP);
lck_rw_done(ripcbinfo.mtx);
return error;
}
SYSCTL_PROC(_net_inet_raw, OID_AUTO, pcblist, CTLFLAG_RD, 0, 0,
rip_pcblist, "S,xinpcb", "List of active raw IP sockets");
#if !CONFIG_EMBEDDED
static int
rip_pcblist64 SYSCTL_HANDLER_ARGS
{
#pragma unused(oidp, arg1, arg2)
int error, i, n;
struct inpcb *inp, **inp_list;
inp_gen_t gencnt;
struct xinpgen xig;
lck_rw_lock_exclusive(ripcbinfo.mtx);
if (req->oldptr == USER_ADDR_NULL) {
n = ripcbinfo.ipi_count;
req->oldidx = 2 * (sizeof xig)
+ (n + n/8) * sizeof(struct xinpcb64);
lck_rw_done(ripcbinfo.mtx);
return 0;
}
if (req->newptr != USER_ADDR_NULL) {
lck_rw_done(ripcbinfo.mtx);
return EPERM;
}
gencnt = ripcbinfo.ipi_gencnt;
n = ripcbinfo.ipi_count;
bzero(&xig, sizeof(xig));
xig.xig_len = sizeof xig;
xig.xig_count = n;
xig.xig_gen = gencnt;
xig.xig_sogen = so_gencnt;
error = SYSCTL_OUT(req, &xig, sizeof xig);
if (error) {
lck_rw_done(ripcbinfo.mtx);
return error;
}
if (n == 0) {
lck_rw_done(ripcbinfo.mtx);
return 0;
}
inp_list = _MALLOC(n * sizeof *inp_list, M_TEMP, M_WAITOK);
if (inp_list == 0) {
lck_rw_done(ripcbinfo.mtx);
return ENOMEM;
}
for (inp = ripcbinfo.listhead->lh_first, i = 0; inp && i < n;
inp = inp->inp_list.le_next) {
if (inp->inp_gencnt <= gencnt && inp->inp_state != INPCB_STATE_DEAD)
inp_list[i++] = inp;
}
n = i;
error = 0;
for (i = 0; i < n; i++) {
inp = inp_list[i];
if (inp->inp_gencnt <= gencnt && inp->inp_state != INPCB_STATE_DEAD) {
struct xinpcb64 xi;
bzero(&xi, sizeof(xi));
xi.xi_len = sizeof xi;
inpcb_to_xinpcb64(inp, &xi);
if (inp->inp_socket)
sotoxsocket64(inp->inp_socket, &xi.xi_socket);
error = SYSCTL_OUT(req, &xi, sizeof xi);
}
}
if (!error) {
bzero(&xig, sizeof(xig));
xig.xig_len = sizeof xig;
xig.xig_gen = ripcbinfo.ipi_gencnt;
xig.xig_sogen = so_gencnt;
xig.xig_count = ripcbinfo.ipi_count;
error = SYSCTL_OUT(req, &xig, sizeof xig);
}
FREE(inp_list, M_TEMP);
lck_rw_done(ripcbinfo.mtx);
return error;
}
SYSCTL_PROC(_net_inet_raw, OID_AUTO, pcblist64, CTLFLAG_RD, 0, 0,
rip_pcblist64, "S,xinpcb64", "List of active raw IP sockets");
#endif
struct pr_usrreqs rip_usrreqs = {
rip_abort, pru_accept_notsupp, rip_attach, rip_bind, rip_connect,
pru_connect2_notsupp, in_control, rip_detach, rip_disconnect,
pru_listen_notsupp, in_setpeeraddr, pru_rcvd_notsupp,
pru_rcvoob_notsupp, rip_send, pru_sense_null, rip_shutdown,
in_setsockaddr, sosend, soreceive, pru_sopoll_notsupp
};