| version 1.26, 1996/05/22 13:55:31 |
version 1.27, 1996/05/23 16:12:15 |
| Line 105 rip_input(m, va_alist) |
|
| Line 105 rip_input(m, va_alist) |
|
| inp = inp->inp_queue.cqe_next) { |
inp = inp->inp_queue.cqe_next) { |
| if (inp->inp_ip.ip_p && inp->inp_ip.ip_p != ip->ip_p) |
if (inp->inp_ip.ip_p && inp->inp_ip.ip_p != ip->ip_p) |
| continue; |
continue; |
| if (inp->inp_laddr.s_addr && |
if (inp->inp_laddr.s_addr != INADDR_ANY && |
| inp->inp_laddr.s_addr != ip->ip_dst.s_addr) |
inp->inp_laddr.s_addr != ip->ip_dst.s_addr) |
| continue; |
continue; |
| if (inp->inp_faddr.s_addr && |
if (inp->inp_faddr.s_addr != INADDR_ANY && |
| inp->inp_faddr.s_addr != ip->ip_src.s_addr) |
inp->inp_faddr.s_addr != ip->ip_src.s_addr) |
| continue; |
continue; |
| if (last) { |
if (last) { |
| Line 151 rip_output(m, va_alist) |
|
| Line 151 rip_output(m, va_alist) |
|
| va_dcl |
va_dcl |
| #endif |
#endif |
| { |
{ |
| struct socket *so; |
|
| u_long dst; |
|
| register struct ip *ip; |
|
| register struct inpcb *inp; |
register struct inpcb *inp; |
| |
register struct ip *ip; |
| struct mbuf *opts; |
struct mbuf *opts; |
| int flags; |
int flags; |
| va_list ap; |
va_list ap; |
| |
|
| va_start(ap, m); |
va_start(ap, m); |
| so = va_arg(ap, struct socket *); |
inp = va_arg(ap, struct inpcb *); |
| dst = va_arg(ap, u_long); |
|
| va_end(ap); |
va_end(ap); |
| |
|
| inp = sotoinpcb(so); |
flags = |
| flags = (so->so_options & SO_DONTROUTE) | IP_ALLOWBROADCAST; |
(inp->inp_socket->so_options & SO_DONTROUTE) | IP_ALLOWBROADCAST; |
| |
|
| /* |
/* |
| * If the user handed us a complete IP packet, use it. |
* If the user handed us a complete IP packet, use it. |
| Line 179 rip_output(m, va_alist) |
|
| Line 176 rip_output(m, va_alist) |
|
| ip->ip_p = inp->inp_ip.ip_p; |
ip->ip_p = inp->inp_ip.ip_p; |
| ip->ip_len = m->m_pkthdr.len; |
ip->ip_len = m->m_pkthdr.len; |
| ip->ip_src = inp->inp_laddr; |
ip->ip_src = inp->inp_laddr; |
| ip->ip_dst.s_addr = dst; |
ip->ip_dst = inp->inp_faddr; |
| ip->ip_ttl = MAXTTL; |
ip->ip_ttl = MAXTTL; |
| opts = inp->inp_options; |
opts = inp->inp_options; |
| } else { |
} else { |
| Line 265 rip_ctloutput(op, so, level, optname, m) |
|
| Line 262 rip_ctloutput(op, so, level, optname, m) |
|
| return (ip_ctloutput(op, so, level, optname, m)); |
return (ip_ctloutput(op, so, level, optname, m)); |
| } |
} |
| |
|
| |
int |
| |
rip_connect(inp, nam) |
| |
struct inpcb *inp; |
| |
struct mbuf *nam; |
| |
{ |
| |
struct sockaddr_in *addr = mtod(nam, struct sockaddr_in *); |
| |
|
| |
if (nam->m_len != sizeof(*addr)) |
| |
return (EINVAL); |
| |
if (ifnet.tqh_first == 0) |
| |
return (EADDRNOTAVAIL); |
| |
if (addr->sin_family != AF_INET && |
| |
addr->sin_family != AF_IMPLINK) |
| |
return (EAFNOSUPPORT); |
| |
inp->inp_faddr = addr->sin_addr; |
| |
return (0); |
| |
} |
| |
|
| |
void |
| |
rip_disconnect(inp) |
| |
struct inpcb *inp; |
| |
{ |
| |
|
| |
inp->inp_faddr.s_addr = INADDR_ANY; |
| |
} |
| |
|
| u_long rip_sendspace = RIPSNDQ; |
u_long rip_sendspace = RIPSNDQ; |
| u_long rip_recvspace = RIPRCVQ; |
u_long rip_recvspace = RIPRCVQ; |
| |
|
| Line 276 rip_usrreq(so, req, m, nam, control, p) |
|
| Line 299 rip_usrreq(so, req, m, nam, control, p) |
|
| struct mbuf *m, *nam, *control; |
struct mbuf *m, *nam, *control; |
| struct proc *p; |
struct proc *p; |
| { |
{ |
| |
register struct inpcb *inp; |
| |
int s; |
| register int error = 0; |
register int error = 0; |
| register struct inpcb *inp = sotoinpcb(so); |
|
| #ifdef MROUTING |
#ifdef MROUTING |
| extern struct socket *ip_mrouter; |
extern struct socket *ip_mrouter; |
| #endif |
#endif |
| |
|
| if (req == PRU_CONTROL) |
if (req == PRU_CONTROL) |
| return (in_control(so, (long)m, (caddr_t)nam, |
return (in_control(so, (long)m, (caddr_t)nam, |
| (struct ifnet *)control, p)); |
(struct ifnet *)control, p)); |
| |
|
| if (inp == NULL && req != PRU_ATTACH) { |
s = splsoftnet(); |
| |
inp = sotoinpcb(so); |
| |
if (control && control->m_len) { |
| |
m_freem(control); |
| |
error = EINVAL; |
| |
goto release; |
| |
} |
| |
if (inp == 0 && req != PRU_ATTACH) { |
| error = EINVAL; |
error = EINVAL; |
| goto release; |
goto release; |
| } |
} |
| Line 293 rip_usrreq(so, req, m, nam, control, p) |
|
| Line 325 rip_usrreq(so, req, m, nam, control, p) |
|
| switch (req) { |
switch (req) { |
| |
|
| case PRU_ATTACH: |
case PRU_ATTACH: |
| if (inp) |
if (inp != 0) { |
| panic("rip_attach"); |
error = EISCONN; |
| |
break; |
| |
} |
| if (p == 0 || (error = suser(p->p_ucred, &p->p_acflag))) { |
if (p == 0 || (error = suser(p->p_ucred, &p->p_acflag))) { |
| error = EACCES; |
error = EACCES; |
| break; |
break; |
| } |
} |
| if ((error = soreserve(so, rip_sendspace, rip_recvspace)) || |
if (so->so_snd.sb_hiwat == 0 || so->so_rcv.sb_hiwat == 0) { |
| (error = in_pcballoc(so, &rawcbtable))) |
error = soreserve(so, rip_sendspace, rip_recvspace); |
| |
if (error) |
| |
break; |
| |
} |
| |
error = in_pcballoc(so, &rawcbtable); |
| |
if (error) |
| break; |
break; |
| inp = (struct inpcb *)so->so_pcb; |
inp = sotoinpcb(so); |
| inp->inp_ip.ip_p = (long)nam; |
inp->inp_ip.ip_p = (long)nam; |
| break; |
break; |
| |
|
| case PRU_DISCONNECT: |
|
| if ((so->so_state & SS_ISCONNECTED) == 0) { |
|
| error = ENOTCONN; |
|
| break; |
|
| } |
|
| /* FALLTHROUGH */ |
|
| case PRU_ABORT: |
|
| soisdisconnected(so); |
|
| /* FALLTHROUGH */ |
|
| case PRU_DETACH: |
case PRU_DETACH: |
| if (inp == 0) |
|
| panic("rip_detach"); |
|
| #ifdef MROUTING |
#ifdef MROUTING |
| if (so == ip_mrouter) |
if (so == ip_mrouter) |
| ip_mrouter_done(); |
ip_mrouter_done(); |
| Line 333 rip_usrreq(so, req, m, nam, control, p) |
|
| Line 361 rip_usrreq(so, req, m, nam, control, p) |
|
| error = EINVAL; |
error = EINVAL; |
| break; |
break; |
| } |
} |
| if ((ifnet.tqh_first == 0) || |
if (ifnet.tqh_first == 0) { |
| ((addr->sin_family != AF_INET) && |
|
| (addr->sin_family != AF_IMPLINK)) || |
|
| (addr->sin_addr.s_addr && |
|
| ifa_ifwithaddr(sintosa(addr)) == 0)) { |
|
| error = EADDRNOTAVAIL; |
error = EADDRNOTAVAIL; |
| break; |
break; |
| } |
} |
| inp->inp_laddr = addr->sin_addr; |
if (addr->sin_family != AF_INET && |
| break; |
addr->sin_family != AF_IMPLINK) { |
| } |
error = EAFNOSUPPORT; |
| case PRU_CONNECT: |
|
| { |
|
| struct sockaddr_in *addr = mtod(nam, struct sockaddr_in *); |
|
| |
|
| if (nam->m_len != sizeof(*addr)) { |
|
| error = EINVAL; |
|
| break; |
break; |
| } |
} |
| if (ifnet.tqh_first == 0) { |
if (addr->sin_addr.s_addr != INADDR_ANY && |
| |
ifa_ifwithaddr(sintosa(addr)) == 0) { |
| error = EADDRNOTAVAIL; |
error = EADDRNOTAVAIL; |
| break; |
break; |
| } |
} |
| if ((addr->sin_family != AF_INET) && |
inp->inp_laddr = addr->sin_addr; |
| (addr->sin_family != AF_IMPLINK)) { |
break; |
| error = EAFNOSUPPORT; |
} |
| |
|
| |
case PRU_LISTEN: |
| |
error = EOPNOTSUPP; |
| |
break; |
| |
|
| |
case PRU_CONNECT: |
| |
error = rip_connect(inp, nam); |
| |
if (error) |
| break; |
break; |
| } |
|
| inp->inp_faddr = addr->sin_addr; |
|
| soisconnected(so); |
soisconnected(so); |
| break; |
break; |
| } |
|
| |
|
| case PRU_CONNECT2: |
case PRU_CONNECT2: |
| error = EOPNOTSUPP; |
error = EOPNOTSUPP; |
| break; |
break; |
| |
|
| |
case PRU_DISCONNECT: |
| |
soisdisconnected(so); |
| |
rip_disconnect(inp); |
| |
break; |
| |
|
| /* |
/* |
| * Mark the connection as being incapable of further input. |
* Mark the connection as being incapable of further input. |
| */ |
*/ |
| Line 377 rip_usrreq(so, req, m, nam, control, p) |
|
| Line 406 rip_usrreq(so, req, m, nam, control, p) |
|
| socantsendmore(so); |
socantsendmore(so); |
| break; |
break; |
| |
|
| |
case PRU_RCVD: |
| |
error = EOPNOTSUPP; |
| |
break; |
| |
|
| /* |
/* |
| * Ship a packet out. The appropriate raw output |
* Ship a packet out. The appropriate raw output |
| * routine handles any massaging necessary. |
* routine handles any massaging necessary. |
| */ |
*/ |
| case PRU_SEND: |
case PRU_SEND: |
| { |
{ |
| register u_int32_t dst; |
struct in_addr faddr; |
| |
|
| if (so->so_state & SS_ISCONNECTED) { |
if (nam) { |
| if (nam) { |
if ((so->so_state & SS_ISCONNECTED) != 0) { |
| |
m_freem(m); |
| error = EISCONN; |
error = EISCONN; |
| break; |
break; |
| } |
} |
| dst = inp->inp_faddr.s_addr; |
error = rip_connect(inp, nam); |
| |
if (error) { |
| |
m_freem(m); |
| |
break; |
| |
} |
| } else { |
} else { |
| if (nam == NULL) { |
if ((so->so_state & SS_ISCONNECTED) == 0) { |
| |
m_freem(m); |
| error = ENOTCONN; |
error = ENOTCONN; |
| break; |
break; |
| } |
} |
| dst = mtod(nam, struct sockaddr_in *)->sin_addr.s_addr; |
|
| } |
} |
| error = rip_output(m, so, dst); |
error = rip_output(m, inp); |
| m = NULL; |
if (nam) |
| |
rip_disconnect(inp); |
| break; |
break; |
| } |
} |
| |
|
| Line 407 rip_usrreq(so, req, m, nam, control, p) |
|
| Line 446 rip_usrreq(so, req, m, nam, control, p) |
|
| /* |
/* |
| * stat: don't bother with a blocksize. |
* stat: don't bother with a blocksize. |
| */ |
*/ |
| |
splx(s); |
| return (0); |
return (0); |
| |
|
| /* |
|
| * Not supported. |
|
| */ |
|
| case PRU_RCVOOB: |
case PRU_RCVOOB: |
| case PRU_RCVD: |
error = EOPNOTSUPP; |
| case PRU_LISTEN: |
break; |
| case PRU_ACCEPT: |
|
| case PRU_SENDOOB: |
case PRU_SENDOOB: |
| |
m_freem(m); |
| error = EOPNOTSUPP; |
error = EOPNOTSUPP; |
| break; |
break; |
| |
|
| Line 431 rip_usrreq(so, req, m, nam, control, p) |
|
| Line 469 rip_usrreq(so, req, m, nam, control, p) |
|
| default: |
default: |
| panic("rip_usrreq"); |
panic("rip_usrreq"); |
| } |
} |
| |
|
| release: |
release: |
| if (m != NULL) |
splx(s); |
| m_freem(m); |
|
| return (error); |
return (error); |
| } |
} |