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Commit 3a3a07de authored by David Stevens's avatar David Stevens Committed by Arnaldo Carvalho de Melo
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[IGMPv3/MPDv2]: Bug fixes and ipv4 multiprotocol API.

parent c1f25dc7
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Showing with 306 additions and 102 deletions
include/linux/igmp.h
View file @ 3a3a07de
......@@ -191,7 +191,7 @@ struct ip_mc_list
(IGMPV3_MASK((value) >> (nbmant), nbexp) + (nbexp))))
#define IGMPV3_QQIC(value) IGMPV3_EXP(0x80, 4, 3, value)
#define IGMPV3_MRC(value) IGMPV3_EXP(0x8000, 12, 3, value)
#define IGMPV3_MRC(value) IGMPV3_EXP(0x80, 4, 3, value)
extern int ip_check_mc(struct in_device *dev, u32 mc_addr, u32 src_addr, u16 proto);
extern int igmp_rcv(struct sk_buff *);
......@@ -199,10 +199,12 @@ extern int ip_mc_join_group(struct sock *sk, struct ip_mreqn *imr);
extern int ip_mc_leave_group(struct sock *sk, struct ip_mreqn *imr);
extern void ip_mc_drop_socket(struct sock *sk);
extern int ip_mc_source(int add, int omode, struct sock *sk,
struct ip_mreq_source *mreqs);
extern int ip_mc_msfilter(struct sock *sk, struct ip_msfilter *msf);
struct ip_mreq_source *mreqs, int ifindex);
extern int ip_mc_msfilter(struct sock *sk, struct ip_msfilter *msf,int ifindex);
extern int ip_mc_msfget(struct sock *sk, struct ip_msfilter *msf,
struct ip_msfilter *optval, int *optlen);
extern int ip_mc_gsfget(struct sock *sk, struct group_filter *gsf,
struct group_filter *optval, int *optlen);
extern int ip_mc_sf_allow(struct sock *sk, u32 local, u32 rmt, int dif);
extern void ip_mr_init(void);
extern void ip_mc_init_dev(struct in_device *);
......
net/ipv4/igmp.c
View file @ 3a3a07de
This diff is collapsed.
net/ipv4/ip_output.c
View file @ 3a3a07de
......@@ -1312,6 +1312,6 @@ void __init ip_init(void)
#ifdef CONFIG_IP_MULTICAST
proc_net_create("igmp", 0, ip_mc_procinfo);
proc_net_create("mcfilter", 0, ip_mcf_procinfo);
#endif
proc_net_create("mcfilter", 0, ip_mcf_procinfo);
}
net/ipv4/ip_sockglue.c
View file @ 3a3a07de
......@@ -631,7 +631,7 @@ int ip_setsockopt(struct sock *sk, int level, int optname, char *optval, int opt
kfree(msf);
break;
}
err = ip_mc_msfilter(sk, msf);
err = ip_mc_msfilter(sk, msf, 0);
kfree(msf);
break;
}
......@@ -670,7 +670,142 @@ int ip_setsockopt(struct sock *sk, int level, int optname, char *optval, int opt
omode = MCAST_INCLUDE;
add = 0;
}
err = ip_mc_source(add, omode, sk, &mreqs);
err = ip_mc_source(add, omode, sk, &mreqs, 0);
break;
}
case MCAST_JOIN_GROUP:
case MCAST_LEAVE_GROUP:
{
struct group_req greq;
struct sockaddr_in *psin;
struct ip_mreqn mreq;
if (optlen < sizeof(struct group_req))
goto e_inval;
err = -EFAULT;
if(copy_from_user(&greq, optval, sizeof(greq)))
break;
psin = (struct sockaddr_in *)&greq.gr_group;
if (psin->sin_family != AF_INET)
goto e_inval;
memset(&mreq, 0, sizeof(mreq));
mreq.imr_multiaddr = psin->sin_addr;
mreq.imr_ifindex = greq.gr_interface;
if (optname == MCAST_JOIN_GROUP)
err = ip_mc_join_group(sk, &mreq);
else
err = ip_mc_leave_group(sk, &mreq);
break;
}
case MCAST_JOIN_SOURCE_GROUP:
case MCAST_LEAVE_SOURCE_GROUP:
case MCAST_BLOCK_SOURCE:
case MCAST_UNBLOCK_SOURCE:
{
struct group_source_req greqs;
struct ip_mreq_source mreqs;
struct sockaddr_in *psin;
int omode, add;
if (optlen != sizeof(struct group_source_req))
goto e_inval;
if (copy_from_user(&greqs, optval, sizeof(greqs))) {
err = -EFAULT;
break;
}
if (greqs.gsr_group.ss_family != AF_INET ||
greqs.gsr_source.ss_family != AF_INET) {
err = -EADDRNOTAVAIL;
break;
}
psin = (struct sockaddr_in *)&greqs.gsr_group;
mreqs.imr_multiaddr = psin->sin_addr.s_addr;
psin = (struct sockaddr_in *)&greqs.gsr_source;
mreqs.imr_sourceaddr = psin->sin_addr.s_addr;
mreqs.imr_interface = 0; /* use index for mc_source */
if (optname == MCAST_BLOCK_SOURCE) {
omode = MCAST_EXCLUDE;
add = 1;
} else if (optname == MCAST_UNBLOCK_SOURCE) {
omode = MCAST_EXCLUDE;
add = 0;
} else if (optname == MCAST_JOIN_SOURCE_GROUP) {
struct ip_mreqn mreq;
psin = (struct sockaddr_in *)&greqs.gsr_group;
mreq.imr_multiaddr = psin->sin_addr;
mreq.imr_address.s_addr = 0;
mreq.imr_ifindex = greqs.gsr_interface;
err = ip_mc_join_group(sk, &mreq);
if (err)
break;
omode = MCAST_INCLUDE;
add = 1;
} else /* MCAST_LEAVE_SOURCE_GROUP */ {
omode = MCAST_INCLUDE;
add = 0;
}
err = ip_mc_source(add, omode, sk, &mreqs,
greqs.gsr_interface);
break;
}
case MCAST_MSFILTER:
{
struct sockaddr_in *psin;
struct ip_msfilter *msf = 0;
struct group_filter *gsf = 0;
int msize, i, ifindex;
if (optlen < GROUP_FILTER_SIZE(0))
goto e_inval;
gsf = (struct group_filter *)kmalloc(optlen,GFP_KERNEL);
if (gsf == 0) {
err = -ENOBUFS;
break;
}
err = -EFAULT;
if (copy_from_user(gsf, optval, optlen)) {
goto mc_msf_out;
}
if (GROUP_FILTER_SIZE(gsf->gf_numsrc) < optlen) {
err = EINVAL;
goto mc_msf_out;
}
msize = IP_MSFILTER_SIZE(gsf->gf_numsrc);
msf = (struct ip_msfilter *)kmalloc(msize,GFP_KERNEL);
if (msf == 0) {
err = -ENOBUFS;
goto mc_msf_out;
}
ifindex = gsf->gf_interface;
psin = (struct sockaddr_in *)&gsf->gf_group;
if (psin->sin_family != AF_INET) {
err = -EADDRNOTAVAIL;
goto mc_msf_out;
}
msf->imsf_multiaddr = psin->sin_addr.s_addr;
msf->imsf_interface = 0;
msf->imsf_fmode = gsf->gf_fmode;
msf->imsf_numsrc = gsf->gf_numsrc;
err = -EADDRNOTAVAIL;
for (i=0; i<gsf->gf_numsrc; ++i) {
psin = (struct sockaddr_in *)&gsf->gf_slist[i];
if (psin->sin_family != AF_INET)
goto mc_msf_out;
msf->imsf_slist[i] = psin->sin_addr.s_addr;
}
kfree(gsf);
gsf = 0;
err = ip_mc_msfilter(sk, msf, ifindex);
mc_msf_out:
if (msf)
kfree(msf);
if (gsf)
kfree(gsf);
break;
}
case IP_ROUTER_ALERT:
......@@ -826,15 +961,37 @@ int ip_getsockopt(struct sock *sk, int level, int optname, char *optval, int *op
struct ip_msfilter msf;
int err;
if (len < IP_MSFILTER_SIZE(0))
if (len < IP_MSFILTER_SIZE(0)) {
release_sock(sk);
return -EINVAL;
if (copy_from_user(&msf, optval, IP_MSFILTER_SIZE(0)))
}
if (copy_from_user(&msf, optval, IP_MSFILTER_SIZE(0))) {
release_sock(sk);
return -EFAULT;
}
err = ip_mc_msfget(sk, &msf,
(struct ip_msfilter *)optval, optlen);
release_sock(sk);
return err;
}
case MCAST_MSFILTER:
{
struct group_filter gsf;
int err;
if (len < GROUP_FILTER_SIZE(0)) {
release_sock(sk);
return -EINVAL;
}
if (copy_from_user(&gsf, optval, GROUP_FILTER_SIZE(0))) {
release_sock(sk);
return -EFAULT;
}
err = ip_mc_gsfget(sk, &gsf,
(struct group_filter *)optval, optlen);
release_sock(sk);
return err;
}
case IP_PKTOPTIONS:
{
struct msghdr msg;
......
net/ipv6/ipv6_sockglue.c
View file @ 3a3a07de
......@@ -120,6 +120,12 @@ int ip6_ra_control(struct sock *sk, int sel, void (*destructor)(struct sock *))
return 0;
}
extern int ip6_mc_source(int add, int omode, struct sock *sk,
struct group_source_req *pgsr);
extern int ip6_mc_msfilter(struct sock *sk, struct group_filter *gsf);
extern int ip6_mc_msfget(struct sock *sk, struct group_filter *gsf,
struct group_filter *optval, int *optlen);
int ipv6_setsockopt(struct sock *sk, int level, int optname, char *optval,
int optlen)
......@@ -393,12 +399,13 @@ int ipv6_setsockopt(struct sock *sk, int level, int optname, char *optval,
break;
}
psin6 = (struct sockaddr_in6 *)&greq.gr_group;
if (optname == IPV6_ADD_MEMBERSHIP)
if (optname == MCAST_JOIN_GROUP)
retv = ipv6_sock_mc_join(sk, greq.gr_interface,
&psin6->sin6_addr);
else
retv = ipv6_sock_mc_drop(sk, greq.gr_interface,
&psin6->sin6_addr);
break;
}
case MCAST_JOIN_SOURCE_GROUP:
case MCAST_LEAVE_SOURCE_GROUP:
......@@ -414,7 +421,8 @@ int ipv6_setsockopt(struct sock *sk, int level, int optname, char *optval,
retv = -EFAULT;
break;
}
if (greqs.gsr_group.ss_family != AF_INET6) {
if (greqs.gsr_group.ss_family != AF_INET6 ||
greqs.gsr_source.ss_family != AF_INET6) {
retv = -EADDRNOTAVAIL;
break;
}
......
net/ipv6/mcast.c
View file @ 3a3a07de
......@@ -768,7 +768,7 @@ static void mld_clear_delrec(struct inet6_dev *idev)
psf = pmc->mca_tomb;
pmc->mca_tomb = 0;
spin_unlock_bh(&pmc->mca_lock);
for (psf=pmc->mca_tomb; psf; psf=psf_next) {
for (; psf; psf=psf_next) {
psf_next = psf->sf_next;
kfree(psf);
}
......@@ -1042,6 +1042,8 @@ int igmp6_event_query(struct sk_buff *skb)
mld_clear_delrec(idev);
} else if (len >= 28) {
max_delay = MLDV2_MRC(ntohs(mlh2->mrc))*(HZ/10);
if (!max_delay)
max_delay = 1;
idev->mc_maxdelay = max_delay;
if (mlh2->qrv)
idev->mc_qrv = mlh2->qrv;
......@@ -2096,8 +2098,6 @@ static int ip6_mcf_read_proc(char *buffer, char **start, off_t offset,
unsigned long icount, xcount, i;
spin_lock_bh(&imc->mca_lock);
icount = imc->mca_sfcount[MCAST_INCLUDE];
xcount = imc->mca_sfcount[MCAST_EXCLUDE];
for (psf=imc->mca_sources; psf; psf=psf->sf_next) {
if (first) {
len += sprintf(buffer+len, "%3s %6s "
......@@ -2130,36 +2130,6 @@ static int ip6_mcf_read_proc(char *buffer, char **start, off_t offset,
in6_dev_put(idev);
goto done;
}
icount -= psf->sf_count[MCAST_INCLUDE];
xcount -= psf->sf_count[MCAST_EXCLUDE];
}
if (icount > 0 || xcount > 0) {
if (first) {
len += sprintf(buffer+len, "%3s %6s "
"%32s %32s %6s %6s\n", "Idx",
"Device", "Multicast Address",
"Source Address", "INC", "EXC");
first = 0;
}
len += sprintf(buffer+len,"%3d %6.6s ",
dev->ifindex, dev->name);
for (i=0; i<16; i++)
len += sprintf(buffer+len, "%02x",
imc->mca_addr.s6_addr[i]);
len += sprintf(buffer+len, " %32s %6lu %6lu\n",
"NONE", icount, xcount);
pos = begin+len;
if (pos < offset) {
len=0;
begin=pos;
}
if (pos > offset+length) {
spin_unlock_bh(&imc->mca_lock);
read_unlock_bh(&idev->lock);
in6_dev_put(idev);
goto done;
}
}
spin_unlock_bh(&imc->mca_lock);
}
......
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