version 1.136, 2014/07/24 15:12:03 |
version 1.165, 2017/07/06 17:08:57 |
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#include <sys/cdefs.h> |
#include <sys/cdefs.h> |
__KERNEL_RCSID(0, "$NetBSD$"); |
__KERNEL_RCSID(0, "$NetBSD$"); |
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|
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#ifdef _KERNEL_OPT |
#include "opt_inet.h" |
#include "opt_inet.h" |
#include "opt_compat_netbsd.h" |
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#include "opt_ipsec.h" |
#include "opt_ipsec.h" |
#include "opt_mrouting.h" |
#include "opt_mrouting.h" |
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#include "opt_net_mpsafe.h" |
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#endif |
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#include <sys/param.h> |
#include <sys/param.h> |
#include <sys/sysctl.h> |
#include <sys/sysctl.h> |
#include <sys/malloc.h> |
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#include <sys/mbuf.h> |
#include <sys/mbuf.h> |
#include <sys/socket.h> |
#include <sys/socket.h> |
#include <sys/protosw.h> |
#include <sys/protosw.h> |
Line 85 __KERNEL_RCSID(0, "$NetBSD$"); |
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Line 86 __KERNEL_RCSID(0, "$NetBSD$"); |
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#include <sys/kauth.h> |
#include <sys/kauth.h> |
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#include <net/if.h> |
#include <net/if.h> |
#include <net/route.h> |
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#include <netinet/in.h> |
#include <netinet/in.h> |
#include <netinet/in_systm.h> |
#include <netinet/in_systm.h> |
Line 104 __KERNEL_RCSID(0, "$NetBSD$"); |
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Line 104 __KERNEL_RCSID(0, "$NetBSD$"); |
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#include <netipsec/ipsec_private.h> |
#include <netipsec/ipsec_private.h> |
#endif /* IPSEC */ |
#endif /* IPSEC */ |
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#ifdef COMPAT_50 |
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#include <compat/sys/socket.h> |
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#endif |
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struct inpcbtable rawcbtable; |
struct inpcbtable rawcbtable; |
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int rip_pcbnotify(struct inpcbtable *, struct in_addr, |
int rip_pcbnotify(struct inpcbtable *, struct in_addr, |
struct in_addr, int, int, void (*)(struct inpcb *, int)); |
struct in_addr, int, int, void (*)(struct inpcb *, int)); |
int rip_connect(struct inpcb *, struct mbuf *); |
static int rip_connect_pcb(struct inpcb *, struct sockaddr_in *); |
void rip_disconnect(struct inpcb *); |
static void rip_disconnect1(struct inpcb *); |
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static void sysctl_net_inet_raw_setup(struct sysctllog **); |
static void sysctl_net_inet_raw_setup(struct sysctllog **); |
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Line 148 rip_sbappendaddr(struct inpcb *last, str |
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Line 144 rip_sbappendaddr(struct inpcb *last, str |
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if (last->inp_flags & INP_NOHEADER) |
if (last->inp_flags & INP_NOHEADER) |
m_adj(n, hlen); |
m_adj(n, hlen); |
if (last->inp_flags & INP_CONTROLOPTS |
if (last->inp_flags & INP_CONTROLOPTS |
#ifdef SO_OTIMESTAMP |
|| SOOPT_TIMESTAMP(last->inp_socket->so_options)) |
|| last->inp_socket->so_options & SO_OTIMESTAMP |
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#endif |
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|| last->inp_socket->so_options & SO_TIMESTAMP) |
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ip_savecontrol(last, &opts, ip, n); |
ip_savecontrol(last, &opts, ip, n); |
if (sbappendaddr(&last->inp_socket->so_rcv, sa, n, opts) == 0) { |
if (sbappendaddr(&last->inp_socket->so_rcv, sa, n, opts) == 0) { |
/* should notify about lost packet */ |
/* should notify about lost packet */ |
Line 212 rip_input(struct mbuf *m, ...) |
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Line 205 rip_input(struct mbuf *m, ...) |
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#if defined(IPSEC) |
#if defined(IPSEC) |
/* check AH/ESP integrity. */ |
/* check AH/ESP integrity. */ |
else if (ipsec_used && |
else if (ipsec_used && |
ipsec4_in_reject_so(m, last->inp_socket)) { |
ipsec4_in_reject(m, last)) { |
IPSEC_STATINC(IPSEC_STAT_IN_POLVIO); |
IPSEC_STATINC(IPSEC_STAT_IN_POLVIO); |
/* do not inject data to pcb */ |
/* do not inject data to pcb */ |
} |
} |
Line 227 rip_input(struct mbuf *m, ...) |
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Line 220 rip_input(struct mbuf *m, ...) |
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#if defined(IPSEC) |
#if defined(IPSEC) |
/* check AH/ESP integrity. */ |
/* check AH/ESP integrity. */ |
if (ipsec_used && last != NULL |
if (ipsec_used && last != NULL |
&& ipsec4_in_reject_so(m, last->inp_socket)) { |
&& ipsec4_in_reject(m, last)) { |
m_freem(m); |
m_freem(m); |
IPSEC_STATINC(IPSEC_STAT_IN_POLVIO); |
IPSEC_STATINC(IPSEC_STAT_IN_POLVIO); |
IP_STATDEC(IP_STAT_DELIVERED); |
IP_STATDEC(IP_STAT_DELIVERED); |
Line 310 rip_ctlinput(int cmd, const struct socka |
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Line 303 rip_ctlinput(int cmd, const struct socka |
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* Tack on options user may have setup with control call. |
* Tack on options user may have setup with control call. |
*/ |
*/ |
int |
int |
rip_output(struct mbuf *m, ...) |
rip_output(struct mbuf *m, struct inpcb *inp) |
{ |
{ |
struct inpcb *inp; |
|
struct ip *ip; |
struct ip *ip; |
struct mbuf *opts; |
struct mbuf *opts; |
int flags; |
int flags; |
va_list ap; |
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va_start(ap, m); |
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inp = va_arg(ap, struct inpcb *); |
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va_end(ap); |
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flags = |
flags = |
(inp->inp_socket->so_options & SO_DONTROUTE) | IP_ALLOWBROADCAST |
(inp->inp_socket->so_options & SO_DONTROUTE) | IP_ALLOWBROADCAST |
Line 388 rip_output(struct mbuf *m, ...) |
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Line 375 rip_output(struct mbuf *m, ...) |
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* will be stored in inp_errormtu. |
* will be stored in inp_errormtu. |
*/ |
*/ |
return ip_output(m, opts, &inp->inp_route, flags, inp->inp_moptions, |
return ip_output(m, opts, &inp->inp_route, flags, inp->inp_moptions, |
inp->inp_socket); |
inp); |
} |
} |
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/* |
/* |
Line 481 rip_ctloutput(int op, struct socket *so, |
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Line 468 rip_ctloutput(int op, struct socket *so, |
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} |
} |
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int |
int |
rip_connect(struct inpcb *inp, struct mbuf *nam) |
rip_connect_pcb(struct inpcb *inp, struct sockaddr_in *addr) |
{ |
{ |
struct sockaddr_in *addr = mtod(nam, struct sockaddr_in *); |
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if (nam->m_len != sizeof(*addr)) |
if (IFNET_READER_EMPTY()) |
return (EINVAL); |
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if (!IFNET_FIRST()) |
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return (EADDRNOTAVAIL); |
return (EADDRNOTAVAIL); |
if (addr->sin_family != AF_INET) |
if (addr->sin_family != AF_INET) |
return (EAFNOSUPPORT); |
return (EAFNOSUPPORT); |
Line 495 rip_connect(struct inpcb *inp, struct mb |
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Line 479 rip_connect(struct inpcb *inp, struct mb |
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return (0); |
return (0); |
} |
} |
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void |
static void |
rip_disconnect(struct inpcb *inp) |
rip_disconnect1(struct inpcb *inp) |
{ |
{ |
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inp->inp_faddr = zeroin_addr; |
inp->inp_faddr = zeroin_addr; |
Line 548 rip_detach(struct socket *so) |
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Line 532 rip_detach(struct socket *so) |
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} |
} |
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static int |
static int |
rip_accept(struct socket *so, struct mbuf *nam) |
rip_accept(struct socket *so, struct sockaddr *nam) |
{ |
{ |
KASSERT(solocked(so)); |
KASSERT(solocked(so)); |
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Line 558 rip_accept(struct socket *so, struct mbu |
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Line 542 rip_accept(struct socket *so, struct mbu |
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} |
} |
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static int |
static int |
rip_bind(struct socket *so, struct mbuf *nam) |
rip_bind(struct socket *so, struct sockaddr *nam, struct lwp *l) |
{ |
{ |
struct inpcb *inp = sotoinpcb(so); |
struct inpcb *inp = sotoinpcb(so); |
struct sockaddr_in *addr; |
struct sockaddr_in *addr = (struct sockaddr_in *)nam; |
int error = 0; |
int error = 0; |
int s; |
int s, ss; |
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struct ifaddr *ifa; |
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KASSERT(solocked(so)); |
KASSERT(solocked(so)); |
KASSERT(inp != NULL); |
KASSERT(inp != NULL); |
KASSERT(nam != NULL); |
KASSERT(nam != NULL); |
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if (addr->sin_len != sizeof(*addr)) |
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return EINVAL; |
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s = splsoftnet(); |
s = splsoftnet(); |
addr = mtod(nam, struct sockaddr_in *); |
if (IFNET_READER_EMPTY()) { |
if (nam->m_len != sizeof(*addr)) { |
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error = EINVAL; |
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goto release; |
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} |
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if (!IFNET_FIRST()) { |
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error = EADDRNOTAVAIL; |
error = EADDRNOTAVAIL; |
goto release; |
goto release; |
} |
} |
Line 583 rip_bind(struct socket *so, struct mbuf |
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Line 566 rip_bind(struct socket *so, struct mbuf |
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error = EAFNOSUPPORT; |
error = EAFNOSUPPORT; |
goto release; |
goto release; |
} |
} |
if (!in_nullhost(addr->sin_addr) && |
ss = pserialize_read_enter(); |
ifa_ifwithaddr(sintosa(addr)) == 0) { |
if ((ifa = ifa_ifwithaddr(sintosa(addr))) == NULL && |
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!in_nullhost(addr->sin_addr)) |
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{ |
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pserialize_read_exit(ss); |
error = EADDRNOTAVAIL; |
error = EADDRNOTAVAIL; |
goto release; |
goto release; |
} |
} |
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if (ifa && (ifatoia(ifa))->ia4_flags & IN6_IFF_DUPLICATED) { |
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pserialize_read_exit(ss); |
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error = EADDRNOTAVAIL; |
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goto release; |
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} |
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pserialize_read_exit(ss); |
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inp->inp_laddr = addr->sin_addr; |
inp->inp_laddr = addr->sin_addr; |
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release: |
release: |
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} |
} |
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static int |
static int |
rip_listen(struct socket *so) |
rip_listen(struct socket *so, struct lwp *l) |
{ |
{ |
KASSERT(solocked(so)); |
KASSERT(solocked(so)); |
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Line 604 rip_listen(struct socket *so) |
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Line 597 rip_listen(struct socket *so) |
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} |
} |
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static int |
static int |
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rip_connect(struct socket *so, struct sockaddr *nam, struct lwp *l) |
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{ |
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struct inpcb *inp = sotoinpcb(so); |
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int error = 0; |
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int s; |
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KASSERT(solocked(so)); |
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KASSERT(inp != NULL); |
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KASSERT(nam != NULL); |
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s = splsoftnet(); |
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error = rip_connect_pcb(inp, (struct sockaddr_in *)nam); |
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if (! error) |
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soisconnected(so); |
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splx(s); |
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return error; |
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} |
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static int |
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rip_connect2(struct socket *so, struct socket *so2) |
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{ |
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KASSERT(solocked(so)); |
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return EOPNOTSUPP; |
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} |
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static int |
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rip_disconnect(struct socket *so) |
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{ |
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struct inpcb *inp = sotoinpcb(so); |
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int s; |
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KASSERT(solocked(so)); |
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KASSERT(inp != NULL); |
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s = splsoftnet(); |
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soisdisconnected(so); |
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rip_disconnect1(inp); |
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splx(s); |
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return 0; |
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} |
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static int |
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rip_shutdown(struct socket *so) |
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{ |
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int s; |
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KASSERT(solocked(so)); |
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/* |
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* Mark the connection as being incapable of further input. |
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*/ |
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s = splsoftnet(); |
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socantsendmore(so); |
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splx(s); |
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return 0; |
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} |
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static int |
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rip_abort(struct socket *so) |
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{ |
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KASSERT(solocked(so)); |
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panic("rip_abort"); |
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return EOPNOTSUPP; |
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} |
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static int |
rip_ioctl(struct socket *so, u_long cmd, void *nam, struct ifnet *ifp) |
rip_ioctl(struct socket *so, u_long cmd, void *nam, struct ifnet *ifp) |
{ |
{ |
return in_control(so, cmd, nam, ifp); |
return in_control(so, cmd, nam, ifp); |
Line 619 rip_stat(struct socket *so, struct stat |
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Line 684 rip_stat(struct socket *so, struct stat |
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} |
} |
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static int |
static int |
rip_peeraddr(struct socket *so, struct mbuf *nam) |
rip_peeraddr(struct socket *so, struct sockaddr *nam) |
{ |
{ |
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int s; |
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KASSERT(solocked(so)); |
KASSERT(solocked(so)); |
KASSERT(sotoinpcb(so) != NULL); |
KASSERT(sotoinpcb(so) != NULL); |
KASSERT(nam != NULL); |
KASSERT(nam != NULL); |
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in_setpeeraddr(sotoinpcb(so), nam); |
s = splsoftnet(); |
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in_setpeeraddr(sotoinpcb(so), (struct sockaddr_in *)nam); |
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splx(s); |
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return 0; |
return 0; |
} |
} |
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static int |
static int |
rip_sockaddr(struct socket *so, struct mbuf *nam) |
rip_sockaddr(struct socket *so, struct sockaddr *nam) |
{ |
{ |
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int s; |
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KASSERT(solocked(so)); |
KASSERT(solocked(so)); |
KASSERT(sotoinpcb(so) != NULL); |
KASSERT(sotoinpcb(so) != NULL); |
KASSERT(nam != NULL); |
KASSERT(nam != NULL); |
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in_setsockaddr(sotoinpcb(so), nam); |
s = splsoftnet(); |
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in_setsockaddr(sotoinpcb(so), (struct sockaddr_in *)nam); |
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splx(s); |
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return 0; |
return 0; |
} |
} |
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static int |
static int |
rip_recvoob(struct socket *so, struct mbuf *m, int flags) |
rip_rcvd(struct socket *so, int flags, struct lwp *l) |
{ |
{ |
KASSERT(solocked(so)); |
KASSERT(solocked(so)); |
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Line 649 rip_recvoob(struct socket *so, struct mb |
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Line 724 rip_recvoob(struct socket *so, struct mb |
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} |
} |
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static int |
static int |
rip_sendoob(struct socket *so, struct mbuf *m, struct mbuf *control) |
rip_recvoob(struct socket *so, struct mbuf *m, int flags) |
{ |
{ |
KASSERT(solocked(so)); |
KASSERT(solocked(so)); |
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m_freem(m); |
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m_freem(control); |
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return EOPNOTSUPP; |
return EOPNOTSUPP; |
} |
} |
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int |
static int |
rip_usrreq(struct socket *so, int req, struct mbuf *m, struct mbuf *nam, |
rip_send(struct socket *so, struct mbuf *m, struct sockaddr *nam, |
struct mbuf *control, struct lwp *l) |
struct mbuf *control, struct lwp *l) |
{ |
{ |
struct inpcb *inp; |
struct inpcb *inp = sotoinpcb(so); |
int s, error = 0; |
int error = 0; |
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int s; |
KASSERT(req != PRU_ATTACH); |
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KASSERT(req != PRU_DETACH); |
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KASSERT(req != PRU_ACCEPT); |
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KASSERT(req != PRU_BIND); |
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KASSERT(req != PRU_LISTEN); |
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KASSERT(req != PRU_CONTROL); |
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KASSERT(req != PRU_SENSE); |
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KASSERT(req != PRU_PEERADDR); |
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KASSERT(req != PRU_SOCKADDR); |
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KASSERT(req != PRU_RCVOOB); |
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KASSERT(req != PRU_SENDOOB); |
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s = splsoftnet(); |
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if (req == PRU_PURGEIF) { |
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mutex_enter(softnet_lock); |
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in_pcbpurgeif0(&rawcbtable, (struct ifnet *)control); |
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in_purgeif((struct ifnet *)control); |
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in_pcbpurgeif(&rawcbtable, (struct ifnet *)control); |
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mutex_exit(softnet_lock); |
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splx(s); |
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return 0; |
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} |
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KASSERT(solocked(so)); |
KASSERT(solocked(so)); |
inp = sotoinpcb(so); |
KASSERT(inp != NULL); |
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KASSERT(m != NULL); |
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KASSERT(!control || (req == PRU_SEND || req == PRU_SENDOOB)); |
/* |
if (inp == NULL) { |
* Ship a packet out. The appropriate raw output |
splx(s); |
* routine handles any massaging necessary. |
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*/ |
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if (control && control->m_len) { |
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m_freem(control); |
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m_freem(m); |
return EINVAL; |
return EINVAL; |
} |
} |
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switch (req) { |
s = splsoftnet(); |
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if (nam) { |
case PRU_CONNECT: |
if ((so->so_state & SS_ISCONNECTED) != 0) { |
error = rip_connect(inp, nam); |
error = EISCONN; |
if (error) |
goto die; |
break; |
} |
soisconnected(so); |
error = rip_connect_pcb(inp, (struct sockaddr_in *)nam); |
break; |
if (error) { |
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die: |
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m_freem(m); |
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splx(s); |
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return error; |
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} |
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} else { |
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if ((so->so_state & SS_ISCONNECTED) == 0) { |
|
error = ENOTCONN; |
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goto die; |
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} |
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} |
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error = rip_output(m, inp); |
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if (nam) |
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rip_disconnect1(inp); |
|
|
case PRU_CONNECT2: |
splx(s); |
error = EOPNOTSUPP; |
return error; |
break; |
} |
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case PRU_DISCONNECT: |
static int |
soisdisconnected(so); |
rip_sendoob(struct socket *so, struct mbuf *m, struct mbuf *control) |
rip_disconnect(inp); |
{ |
break; |
KASSERT(solocked(so)); |
|
|
/* |
m_freem(m); |
* Mark the connection as being incapable of further input. |
m_freem(control); |
*/ |
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case PRU_SHUTDOWN: |
|
socantsendmore(so); |
|
break; |
|
|
|
case PRU_RCVD: |
return EOPNOTSUPP; |
error = EOPNOTSUPP; |
} |
break; |
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|
|
/* |
static int |
* Ship a packet out. The appropriate raw output |
rip_purgeif(struct socket *so, struct ifnet *ifp) |
* routine handles any massaging necessary. |
{ |
*/ |
int s; |
case PRU_SEND: |
|
if (control && control->m_len) { |
|
m_freem(control); |
|
m_freem(m); |
|
error = EINVAL; |
|
break; |
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} |
|
{ |
|
if (nam) { |
|
if ((so->so_state & SS_ISCONNECTED) != 0) { |
|
error = EISCONN; |
|
goto die; |
|
} |
|
error = rip_connect(inp, nam); |
|
if (error) { |
|
die: |
|
m_freem(m); |
|
break; |
|
} |
|
} else { |
|
if ((so->so_state & SS_ISCONNECTED) == 0) { |
|
error = ENOTCONN; |
|
goto die; |
|
} |
|
} |
|
error = rip_output(m, inp); |
|
if (nam) |
|
rip_disconnect(inp); |
|
} |
|
break; |
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|
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default: |
s = splsoftnet(); |
panic("rip_usrreq"); |
mutex_enter(softnet_lock); |
} |
in_pcbpurgeif0(&rawcbtable, ifp); |
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#ifdef NET_MPSAFE |
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mutex_exit(softnet_lock); |
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#endif |
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in_purgeif(ifp); |
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#ifdef NET_MPSAFE |
|
mutex_enter(softnet_lock); |
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#endif |
|
in_pcbpurgeif(&rawcbtable, ifp); |
|
mutex_exit(softnet_lock); |
splx(s); |
splx(s); |
|
|
return error; |
return 0; |
} |
} |
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PR_WRAP_USRREQS(rip) |
PR_WRAP_USRREQS(rip) |
Line 776 PR_WRAP_USRREQS(rip) |
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Line 819 PR_WRAP_USRREQS(rip) |
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#define rip_accept rip_accept_wrapper |
#define rip_accept rip_accept_wrapper |
#define rip_bind rip_bind_wrapper |
#define rip_bind rip_bind_wrapper |
#define rip_listen rip_listen_wrapper |
#define rip_listen rip_listen_wrapper |
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#define rip_connect rip_connect_wrapper |
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#define rip_connect2 rip_connect2_wrapper |
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#define rip_disconnect rip_disconnect_wrapper |
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#define rip_shutdown rip_shutdown_wrapper |
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#define rip_abort rip_abort_wrapper |
#define rip_ioctl rip_ioctl_wrapper |
#define rip_ioctl rip_ioctl_wrapper |
#define rip_stat rip_stat_wrapper |
#define rip_stat rip_stat_wrapper |
#define rip_peeraddr rip_peeraddr_wrapper |
#define rip_peeraddr rip_peeraddr_wrapper |
#define rip_sockaddr rip_sockaddr_wrapper |
#define rip_sockaddr rip_sockaddr_wrapper |
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#define rip_rcvd rip_rcvd_wrapper |
#define rip_recvoob rip_recvoob_wrapper |
#define rip_recvoob rip_recvoob_wrapper |
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#define rip_send rip_send_wrapper |
#define rip_sendoob rip_sendoob_wrapper |
#define rip_sendoob rip_sendoob_wrapper |
#define rip_usrreq rip_usrreq_wrapper |
#define rip_purgeif rip_purgeif_wrapper |
|
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const struct pr_usrreqs rip_usrreqs = { |
const struct pr_usrreqs rip_usrreqs = { |
.pr_attach = rip_attach, |
.pr_attach = rip_attach, |
Line 790 const struct pr_usrreqs rip_usrreqs = { |
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Line 840 const struct pr_usrreqs rip_usrreqs = { |
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.pr_accept = rip_accept, |
.pr_accept = rip_accept, |
.pr_bind = rip_bind, |
.pr_bind = rip_bind, |
.pr_listen = rip_listen, |
.pr_listen = rip_listen, |
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.pr_connect = rip_connect, |
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.pr_connect2 = rip_connect2, |
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.pr_disconnect = rip_disconnect, |
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.pr_shutdown = rip_shutdown, |
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.pr_abort = rip_abort, |
.pr_ioctl = rip_ioctl, |
.pr_ioctl = rip_ioctl, |
.pr_stat = rip_stat, |
.pr_stat = rip_stat, |
.pr_peeraddr = rip_peeraddr, |
.pr_peeraddr = rip_peeraddr, |
.pr_sockaddr = rip_sockaddr, |
.pr_sockaddr = rip_sockaddr, |
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.pr_rcvd = rip_rcvd, |
.pr_recvoob = rip_recvoob, |
.pr_recvoob = rip_recvoob, |
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.pr_send = rip_send, |
.pr_sendoob = rip_sendoob, |
.pr_sendoob = rip_sendoob, |
.pr_generic = rip_usrreq, |
.pr_purgeif = rip_purgeif, |
}; |
}; |
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static void |
static void |