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Index: sys/netinet/in_pcb.h
===================================================================
--- sys/netinet/in_pcb.h
+++ sys/netinet/in_pcb.h
@@ -696,8 +696,8 @@
void in_pcbpurgeif0(struct inpcbinfo *, struct ifnet *);
int in_pcballoc(struct socket *, struct inpcbinfo *);
int in_pcbbind(struct inpcb *, struct sockaddr *, struct ucred *);
-int in_pcb_lport(struct inpcb *, struct in_addr *, u_short *,
- struct ucred *, int);
+int in_pcb_lport(struct inpcb *, struct sockaddr *, struct in_addr *,
+ u_short *, struct ucred *, int);
int in_pcbbind_setup(struct inpcb *, struct sockaddr *, in_addr_t *,
u_short *, struct ucred *);
int in_pcbconnect(struct inpcb *, struct sockaddr *, struct ucred *);
Index: sys/netinet/in_pcb.c
===================================================================
--- sys/netinet/in_pcb.c
+++ sys/netinet/in_pcb.c
@@ -375,8 +375,8 @@
*/
#if defined(INET) || defined(INET6)
int
-in_pcb_lport(struct inpcb *inp, struct in_addr *laddrp, u_short *lportp,
- struct ucred *cred, int lookupflags)
+in_pcb_lport(struct inpcb *inp, struct sockaddr *nam, struct in_addr *laddrp,
+ u_short *lportp, struct ucred *cred, int lookupflags)
{
struct inpcbinfo *pcbinfo;
struct inpcb *tmpinp;
@@ -385,6 +385,7 @@
u_short aux, first, last, lport;
#ifdef INET
struct in_addr laddr;
+ struct sockaddr_in *sin = NULL;
#endif
pcbinfo = inp->inp_pcbinfo;
@@ -451,6 +452,7 @@
KASSERT(laddrp != NULL, ("%s: laddrp NULL for v4 inp %p",
__func__, inp));
laddr = *laddrp;
+ sin = (struct sockaddr_in *)nam;
}
#endif
tmpinp = NULL; /* Make compiler happy. */
@@ -470,16 +472,29 @@
lport = htons(*lastport);
#ifdef INET6
- if ((inp->inp_vflag & INP_IPV6) != 0)
- tmpinp = in6_pcblookup_local(pcbinfo,
- &inp->in6p_laddr, lport, lookupflags, cred);
+ if ((inp->inp_vflag & INP_IPV6) != 0) {
+ struct sockaddr_in6 *sin6 = (struct sockaddr_in6 *)nam;
+ if (sin6 != NULL && (inp->inp_flags & INP_ANONPORT)) {
+ tmpinp = in6_pcblookup_hash_locked(pcbinfo,
+ &sin6->sin6_addr, sin6->sin6_port,
+ &inp->in6p_laddr, lport,
+ lookupflags & (~INPLOOKUP_WILDCARD),
+ NULL);
+ } else
+ tmpinp = in6_pcblookup_local(pcbinfo,
+ &inp->in6p_laddr, lport, lookupflags, cred);
+ }
#endif
#if defined(INET) && defined(INET6)
else
#endif
#ifdef INET
- tmpinp = in_pcblookup_local(pcbinfo, laddr,
- lport, lookupflags, cred);
+ if (sin != NULL && (inp->inp_flags & INP_ANONPORT))
+ tmpinp = in_pcblookup_hash_locked(pcbinfo, sin->sin_addr, sin->sin_port, laddr,
+ lport, lookupflags & (~INPLOOKUP_WILDCARD), NULL);
+ else
+ tmpinp = in_pcblookup_local(pcbinfo, laddr,
+ lport, lookupflags, cred);
#endif
} while (tmpinp != NULL);
@@ -575,7 +590,7 @@
return (EINVAL);
if ((so->so_options & (SO_REUSEADDR|SO_REUSEPORT)) == 0)
lookupflags = INPLOOKUP_WILDCARD;
- if (nam == NULL) {
+ if (nam == NULL || ((*lportp) == 0 && (inp->inp_flags & INP_ANONPORT))) {
if ((error = prison_local_ip4(cred, &laddr)) != 0)
return (error);
} else {
@@ -696,7 +711,7 @@
if (*lportp != 0)
lport = *lportp;
if (lport == 0) {
- error = in_pcb_lport(inp, &laddr, &lport, cred, lookupflags);
+ error = in_pcb_lport(inp, nam, &laddr, &lport, cred, lookupflags);
if (error != 0)
return (error);
Index: sys/netinet/tcp_usrreq.c
===================================================================
--- sys/netinet/tcp_usrreq.c
+++ sys/netinet/tcp_usrreq.c
@@ -1236,9 +1236,12 @@
INP_HASH_WLOCK(&V_tcbinfo);
if (inp->inp_lport == 0) {
- error = in_pcbbind(inp, (struct sockaddr *)0, td->td_ucred);
- if (error)
+ inp->inp_flags |= INP_ANONPORT;
+ error = in_pcbbind(inp, nam, td->td_ucred);
+ if (error) {
+ inp->inp_flags &= ~INP_ANONPORT;
goto out;
+ }
}
/*
@@ -1294,9 +1297,12 @@
INP_HASH_WLOCK(&V_tcbinfo);
if (inp->inp_lport == 0) {
- error = in6_pcbbind(inp, (struct sockaddr *)0, td->td_ucred);
- if (error)
+ inp->inp_flags |= INP_ANONPORT;
+ error = in6_pcbbind(inp, nam, td->td_ucred);
+ if (error) {
+ inp->inp_flags &= ~INP_ANONPORT;
goto out;
+ }
}
error = in6_pcbconnect(inp, nam, td->td_ucred);
if (error != 0)
Index: sys/netinet6/in6_pcb.h
===================================================================
--- sys/netinet6/in6_pcb.h
+++ sys/netinet6/in6_pcb.h
@@ -112,7 +112,8 @@
int in6_mapped_sockaddr(struct socket *so, struct sockaddr **nam);
int in6_mapped_peeraddr(struct socket *so, struct sockaddr **nam);
int in6_selecthlim(struct in6pcb *, struct ifnet *);
-int in6_pcbsetport(struct in6_addr *, struct inpcb *, struct ucred *);
+int in6_pcbsetport(struct sockaddr *, struct in6_addr *, struct inpcb *,
+ struct ucred *);
void init_sin6(struct sockaddr_in6 *sin6, struct mbuf *m);
#endif /* _KERNEL */
Index: sys/netinet6/in6_pcb.c
===================================================================
--- sys/netinet6/in6_pcb.c
+++ sys/netinet6/in6_pcb.c
@@ -132,7 +132,7 @@
return (EINVAL);
if ((so->so_options & (SO_REUSEADDR|SO_REUSEPORT)) == 0)
lookupflags = INPLOOKUP_WILDCARD;
- if (nam == NULL) {
+ if (nam == NULL || (inp->inp_flags & INP_ANONPORT)) {
if ((error = prison_local_ip6(cred, &inp->in6p_laddr,
((inp->inp_flags & IN6P_IPV6_V6ONLY) != 0))) != 0)
return (error);
@@ -296,7 +296,7 @@
inp->in6p_laddr = sin6->sin6_addr;
}
if (lport == 0) {
- if ((error = in6_pcbsetport(&inp->in6p_laddr, inp, cred)) != 0) {
+ if ((error = in6_pcbsetport(nam, &inp->in6p_laddr, inp, cred)) != 0) {
/* Undo an address bind that may have occurred. */
inp->in6p_laddr = in6addr_any;
return (error);
@@ -416,9 +416,12 @@
}
if (IN6_IS_ADDR_UNSPECIFIED(&inp->in6p_laddr)) {
if (inp->inp_lport == 0) {
- error = in6_pcbbind(inp, (struct sockaddr *)0, cred);
- if (error)
+ inp->inp_flags |= INP_ANONPORT;
+ error = in6_pcbbind(inp, nam, cred);
+ if (error) {
+ inp->inp_flags &= ~INP_ANONPORT;
return (error);
+ }
}
inp->in6p_laddr = addr6;
}
Index: sys/netinet6/in6_src.c
===================================================================
--- sys/netinet6/in6_src.c
+++ sys/netinet6/in6_src.c
@@ -956,7 +956,8 @@
* share this function by all *bsd*...
*/
int
-in6_pcbsetport(struct in6_addr *laddr, struct inpcb *inp, struct ucred *cred)
+in6_pcbsetport(struct sockaddr *nam6, struct in6_addr *laddr, struct inpcb *inp,
+ struct ucred *cred)
{
struct socket *so = inp->inp_socket;
u_int16_t lport = 0;
@@ -979,7 +980,7 @@
inp->inp_flags |= INP_ANONPORT;
- error = in_pcb_lport(inp, NULL, &lport, cred, lookupflags);
+ error = in_pcb_lport(inp, nam6, NULL, &lport, cred, lookupflags);
if (error != 0)
return (error);
Index: sys/netinet6/udp6_usrreq.c
===================================================================
--- sys/netinet6/udp6_usrreq.c
+++ sys/netinet6/udp6_usrreq.c
@@ -765,11 +765,16 @@
error = EADDRNOTAVAIL;
goto release;
}
- if (inp->inp_lport == 0 &&
- (error = in6_pcbsetport(laddr, inp, td->td_ucred)) != 0) {
- /* Undo an address bind that may have occurred. */
- inp->in6p_laddr = in6addr_any;
- goto release;
+ if (inp->inp_lport == 0) {
+ inp->inp_flags |= INP_ANONPORT;
+ error = in6_pcbsetport((struct sockaddr *)addr6, laddr,
+ inp, td->td_ucred);
+ if (error) {
+ inp->inp_flags &= ~INP_ANONPORT;
+ /* Undo an address bind that may have occurred. */
+ inp->in6p_laddr = in6addr_any;
+ goto release;
+ }
}
} else {
if (IN6_IS_ADDR_UNSPECIFIED(&inp->in6p_faddr)) {

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