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make IPV6_V6ONLY socket option work for UDP as well.

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PR:		ports/92620
Reported by:	Kurt Miller <kurt__at__intricatesoftware.com>
MFC after:	1 week
This commit is contained in:
Hajimu UMEMOTO 2006-02-02 11:46:05 +00:00
parent e97cfaadfb
commit 92cb1c3210
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=155217
1 changed files with 4 additions and 12 deletions
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16
sys/netinet6/udp6_usrreq.c
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@ -549,7 +549,7 @@ udp6_attach(struct socket *so, int proto, struct thread *td)
INP_LOCK(inp);
INP_INFO_WUNLOCK(&udbinfo);
inp->inp_vflag |= INP_IPV6;
if (!ip6_v6only)
if ((inp->inp_flags & IN6P_IPV6_V6ONLY) == 0)
inp->inp_vflag |= INP_IPV4;
inp->in6p_hops = -1; /* use kernel default */
inp->in6p_cksum = -1; /* just to be sure */
@ -653,7 +653,8 @@ udp6_connect(struct socket *so, struct sockaddr *nam, struct thread *td)
error = in6_pcbconnect(inp, nam, td->td_ucred);
splx(s);
if (error == 0) {
if (!ip6_v6only) { /* should be non mapped addr */
if ((inp->inp_flags & IN6P_IPV6_V6ONLY) == 0) {
/* should be non mapped addr */
inp->inp_vflag &= ~INP_IPV4;
inp->inp_vflag |= INP_IPV6;
}
@ -754,7 +755,7 @@ udp6_send(struct socket *so, int flags, struct mbuf *m, struct sockaddr *addr,
}
#ifdef INET
if (!ip6_v6only) {
if ((inp->inp_flags & IN6P_IPV6_V6ONLY) == 0) {
int hasv4addr;
struct sockaddr_in6 *sin6 = 0;
@ -768,15 +769,6 @@ udp6_send(struct socket *so, int flags, struct mbuf *m, struct sockaddr *addr,
if (hasv4addr) {
struct pr_usrreqs *pru;
if ((inp->inp_flags & IN6P_IPV6_V6ONLY)) {
/*
* since a user of this socket set the
* IPV6_V6ONLY flag, we discard this
* datagram destined to a v4 addr.
*/
error = EINVAL;
goto out;
}
if (!IN6_IS_ADDR_UNSPECIFIED(&inp->in6p_laddr) &&
!IN6_IS_ADDR_V4MAPPED(&inp->in6p_laddr)) {
/*