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Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/kaber/nf-next-2.6

Browse Source
This commit is contained in:
David S. Miller
2009-12-03 13:23:12 -08:00
parent 55dbabee63 3666ed1c48
commit 424eff9751
32 changed files with 251 additions and 255 deletions
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5
net/ipv6/netfilter/ip6_queue.c
View File

@@ -499,8 +499,7 @@ ipq_rcv_nl_event(struct notifier_block *this,
{
struct netlink_notify *n = ptr;
if (event == NETLINK_URELEASE &&
n->protocol == NETLINK_IP6_FW && n->pid) {
if (event == NETLINK_URELEASE && n->protocol == NETLINK_IP6_FW) {
write_lock_bh(&queue_lock);
if ((net_eq(n->net, &init_net)) && (n->pid == peer_pid))
__ipq_reset();
@@ -625,7 +624,7 @@ cleanup_netlink_notifier:
static void __exit ip6_queue_fini(void)
{
nf_unregister_queue_handlers(&nfqh);
synchronize_net();
ipq_flush(NULL, 0);
#ifdef CONFIG_SYSCTL

42
net/ipv6/netfilter/ip6_tables.c
View File

@@ -105,9 +105,9 @@ ip6_packet_match(const struct sk_buff *skb,
#define FWINV(bool, invflg) ((bool) ^ !!(ip6info->invflags & (invflg)))
if (FWINV(ipv6_masked_addr_cmp(&ipv6->saddr, &ip6info->smsk,
&ip6info->src), IP6T_INV_SRCIP)
|| FWINV(ipv6_masked_addr_cmp(&ipv6->daddr, &ip6info->dmsk,
&ip6info->dst), IP6T_INV_DSTIP)) {
&ip6info->src), IP6T_INV_SRCIP) ||
FWINV(ipv6_masked_addr_cmp(&ipv6->daddr, &ip6info->dmsk,
&ip6info->dst), IP6T_INV_DSTIP)) {
dprintf("Source or dest mismatch.\n");
/*
dprintf("SRC: %u. Mask: %u. Target: %u.%s\n", ip->saddr,
@@ -277,11 +277,11 @@ get_chainname_rulenum(struct ip6t_entry *s, struct ip6t_entry *e,
} else if (s == e) {
(*rulenum)++;
if (s->target_offset == sizeof(struct ip6t_entry)
&& strcmp(t->target.u.kernel.target->name,
IP6T_STANDARD_TARGET) == 0
&& t->verdict < 0
&& unconditional(&s->ipv6)) {
if (s->target_offset == sizeof(struct ip6t_entry) &&
strcmp(t->target.u.kernel.target->name,
IP6T_STANDARD_TARGET) == 0 &&
t->verdict < 0 &&
unconditional(&s->ipv6)) {
/* Tail of chains: STANDARD target (return/policy) */
*comment = *chainname == hookname
? comments[NF_IP6_TRACE_COMMENT_POLICY]
@@ -418,8 +418,8 @@ ip6t_do_table(struct sk_buff *skb,
back = get_entry(table_base, back->comefrom);
continue;
}
if (table_base + v != ip6t_next_entry(e)
&& !(e->ipv6.flags & IP6T_F_GOTO)) {
if (table_base + v != ip6t_next_entry(e) &&
!(e->ipv6.flags & IP6T_F_GOTO)) {
/* Save old back ptr in next entry */
struct ip6t_entry *next = ip6t_next_entry(e);
next->comefrom = (void *)back - table_base;
@@ -505,11 +505,11 @@ mark_source_chains(struct xt_table_info *newinfo,
e->comefrom |= ((1 << hook) | (1 << NF_INET_NUMHOOKS));
/* Unconditional return/END. */
if ((e->target_offset == sizeof(struct ip6t_entry)
&& (strcmp(t->target.u.user.name,
IP6T_STANDARD_TARGET) == 0)
&& t->verdict < 0
&& unconditional(&e->ipv6)) || visited) {
if ((e->target_offset == sizeof(struct ip6t_entry) &&
(strcmp(t->target.u.user.name,
IP6T_STANDARD_TARGET) == 0) &&
t->verdict < 0 &&
unconditional(&e->ipv6)) || visited) {
unsigned int oldpos, size;
if ((strcmp(t->target.u.user.name,
@@ -556,8 +556,8 @@ mark_source_chains(struct xt_table_info *newinfo,
int newpos = t->verdict;
if (strcmp(t->target.u.user.name,
IP6T_STANDARD_TARGET) == 0
&& newpos >= 0) {
IP6T_STANDARD_TARGET) == 0 &&
newpos >= 0) {
if (newpos > newinfo->size -
sizeof(struct ip6t_entry)) {
duprintf("mark_source_chains: "
@@ -767,8 +767,8 @@ check_entry_size_and_hooks(struct ip6t_entry *e,
{
unsigned int h;
if ((unsigned long)e % __alignof__(struct ip6t_entry) != 0
|| (unsigned char *)e + sizeof(struct ip6t_entry) >= limit) {
if ((unsigned long)e % __alignof__(struct ip6t_entry) != 0 ||
(unsigned char *)e + sizeof(struct ip6t_entry) >= limit) {
duprintf("Bad offset %p\n", e);
return -EINVAL;
}
@@ -1584,8 +1584,8 @@ check_compat_entry_size_and_hooks(struct compat_ip6t_entry *e,
int ret, off, h;
duprintf("check_compat_entry_size_and_hooks %p\n", e);
if ((unsigned long)e % __alignof__(struct compat_ip6t_entry) != 0
|| (unsigned char *)e + sizeof(struct compat_ip6t_entry) >= limit) {
if ((unsigned long)e % __alignof__(struct compat_ip6t_entry) != 0 ||
(unsigned char *)e + sizeof(struct compat_ip6t_entry) >= limit) {
duprintf("Bad offset %p, limit = %p\n", e, limit);
return -EINVAL;
}

4
net/ipv6/netfilter/ip6t_LOG.c
View File

@@ -249,8 +249,8 @@ static void dump_packet(const struct nf_loginfo *info,
/* Max length: 11 "URGP=65535 " */
printk("URGP=%u ", ntohs(th->urg_ptr));
if ((logflags & IP6T_LOG_TCPOPT)
&& th->doff * 4 > sizeof(struct tcphdr)) {
if ((logflags & IP6T_LOG_TCPOPT) &&
th->doff * 4 > sizeof(struct tcphdr)) {
u_int8_t _opt[60 - sizeof(struct tcphdr)];
const u_int8_t *op;
unsigned int i;

4
net/ipv6/netfilter/ip6t_REJECT.c
View File

@@ -223,8 +223,8 @@ static bool reject_tg6_check(const struct xt_tgchk_param *par)
return false;
} else if (rejinfo->with == IP6T_TCP_RESET) {
/* Must specify that it's a TCP packet */
if (e->ipv6.proto != IPPROTO_TCP
|| (e->ipv6.invflags & XT_INV_PROTO)) {
if (e->ipv6.proto != IPPROTO_TCP ||
(e->ipv6.invflags & XT_INV_PROTO)) {
printk("ip6t_REJECT: TCP_RESET illegal for non-tcp\n");
return false;
}

19
net/ipv6/netfilter/ip6t_ah.c
View File

@@ -77,17 +77,14 @@ static bool ah_mt6(const struct sk_buff *skb, const struct xt_match_param *par)
ahinfo->hdrres, ah->reserved,
!(ahinfo->hdrres && ah->reserved));
return (ah != NULL)
&&
spi_match(ahinfo->spis[0], ahinfo->spis[1],
ntohl(ah->spi),
!!(ahinfo->invflags & IP6T_AH_INV_SPI))
&&
(!ahinfo->hdrlen ||
(ahinfo->hdrlen == hdrlen) ^
!!(ahinfo->invflags & IP6T_AH_INV_LEN))
&&
!(ahinfo->hdrres && ah->reserved);
return (ah != NULL) &&
spi_match(ahinfo->spis[0], ahinfo->spis[1],
ntohl(ah->spi),
!!(ahinfo->invflags & IP6T_AH_INV_SPI)) &&
(!ahinfo->hdrlen ||
(ahinfo->hdrlen == hdrlen) ^
!!(ahinfo->invflags & IP6T_AH_INV_LEN)) &&
!(ahinfo->hdrres && ah->reserved);
}
static bool ah_mt6_check(const struct xt_mtchk_param *par)

45
net/ipv6/netfilter/ip6t_frag.c
View File

@@ -70,41 +70,36 @@ frag_mt6(const struct sk_buff *skb, const struct xt_match_param *par)
pr_debug("res %02X %02X%04X %02X ",
fraginfo->flags & IP6T_FRAG_RES, fh->reserved,
ntohs(fh->frag_off) & 0x6,
!((fraginfo->flags & IP6T_FRAG_RES)
&& (fh->reserved || (ntohs(fh->frag_off) & 0x06))));
!((fraginfo->flags & IP6T_FRAG_RES) &&
(fh->reserved || (ntohs(fh->frag_off) & 0x06))));
pr_debug("first %02X %02X %02X ",
fraginfo->flags & IP6T_FRAG_FST,
ntohs(fh->frag_off) & ~0x7,
!((fraginfo->flags & IP6T_FRAG_FST)
&& (ntohs(fh->frag_off) & ~0x7)));
!((fraginfo->flags & IP6T_FRAG_FST) &&
(ntohs(fh->frag_off) & ~0x7)));
pr_debug("mf %02X %02X %02X ",
fraginfo->flags & IP6T_FRAG_MF,
ntohs(fh->frag_off) & IP6_MF,
!((fraginfo->flags & IP6T_FRAG_MF)
&& !((ntohs(fh->frag_off) & IP6_MF))));
!((fraginfo->flags & IP6T_FRAG_MF) &&
!((ntohs(fh->frag_off) & IP6_MF))));
pr_debug("last %02X %02X %02X\n",
fraginfo->flags & IP6T_FRAG_NMF,
ntohs(fh->frag_off) & IP6_MF,
!((fraginfo->flags & IP6T_FRAG_NMF)
&& (ntohs(fh->frag_off) & IP6_MF)));
!((fraginfo->flags & IP6T_FRAG_NMF) &&
(ntohs(fh->frag_off) & IP6_MF)));
return (fh != NULL)
&&
id_match(fraginfo->ids[0], fraginfo->ids[1],
ntohl(fh->identification),
!!(fraginfo->invflags & IP6T_FRAG_INV_IDS))
&&
!((fraginfo->flags & IP6T_FRAG_RES)
&& (fh->reserved || (ntohs(fh->frag_off) & 0x6)))
&&
!((fraginfo->flags & IP6T_FRAG_FST)
&& (ntohs(fh->frag_off) & ~0x7))
&&
!((fraginfo->flags & IP6T_FRAG_MF)
&& !(ntohs(fh->frag_off) & IP6_MF))
&&
!((fraginfo->flags & IP6T_FRAG_NMF)
&& (ntohs(fh->frag_off) & IP6_MF));
return (fh != NULL) &&
id_match(fraginfo->ids[0], fraginfo->ids[1],
ntohl(fh->identification),
!!(fraginfo->invflags & IP6T_FRAG_INV_IDS)) &&
!((fraginfo->flags & IP6T_FRAG_RES) &&
(fh->reserved || (ntohs(fh->frag_off) & 0x6))) &&
!((fraginfo->flags & IP6T_FRAG_FST) &&
(ntohs(fh->frag_off) & ~0x7)) &&
!((fraginfo->flags & IP6T_FRAG_MF) &&
!(ntohs(fh->frag_off) & IP6_MF)) &&
!((fraginfo->flags & IP6T_FRAG_NMF) &&
(ntohs(fh->frag_off) & IP6_MF));
}
static bool frag_mt6_check(const struct xt_mtchk_param *par)

9
net/ipv6/netfilter/ip6t_rt.c
View File

@@ -92,16 +92,13 @@ static bool rt_mt6(const struct sk_buff *skb, const struct xt_match_param *par)
!((rtinfo->flags & IP6T_RT_RES) &&
(((const struct rt0_hdr *)rh)->reserved)));
ret = (rh != NULL)
&&
ret = (rh != NULL) &&
(segsleft_match(rtinfo->segsleft[0], rtinfo->segsleft[1],
rh->segments_left,
!!(rtinfo->invflags & IP6T_RT_INV_SGS)))
&&
!!(rtinfo->invflags & IP6T_RT_INV_SGS))) &&
(!(rtinfo->flags & IP6T_RT_LEN) ||
((rtinfo->hdrlen == hdrlen) ^
!!(rtinfo->invflags & IP6T_RT_INV_LEN)))
&&
!!(rtinfo->invflags & IP6T_RT_INV_LEN))) &&
(!(rtinfo->flags & IP6T_RT_TYP) ||
((rtinfo->rt_type == rh->type) ^
!!(rtinfo->invflags & IP6T_RT_INV_TYP)));

4
net/ipv6/netfilter/ip6table_filter.c
View File

@@ -79,8 +79,8 @@ ip6t_local_out_hook(unsigned int hook,
{
#if 0
/* root is playing with raw sockets. */
if (skb->len < sizeof(struct iphdr)
|| ip_hdrlen(skb) < sizeof(struct iphdr)) {
if (skb->len < sizeof(struct iphdr) ||
ip_hdrlen(skb) < sizeof(struct iphdr)) {
if (net_ratelimit())
printk("ip6t_hook: happy cracking.\n");
return NF_ACCEPT;

14
net/ipv6/netfilter/ip6table_mangle.c
View File

@@ -102,8 +102,8 @@ ip6t_local_out_hook(unsigned int hook,
#if 0
/* root is playing with raw sockets. */
if (skb->len < sizeof(struct iphdr)
|| ip_hdrlen(skb) < sizeof(struct iphdr)) {
if (skb->len < sizeof(struct iphdr) ||
ip_hdrlen(skb) < sizeof(struct iphdr)) {
if (net_ratelimit())
printk("ip6t_hook: happy cracking.\n");
return NF_ACCEPT;
@@ -122,11 +122,11 @@ ip6t_local_out_hook(unsigned int hook,
ret = ip6t_do_table(skb, hook, in, out,
dev_net(out)->ipv6.ip6table_mangle);
if (ret != NF_DROP && ret != NF_STOLEN
&& (memcmp(&ipv6_hdr(skb)->saddr, &saddr, sizeof(saddr))
|| memcmp(&ipv6_hdr(skb)->daddr, &daddr, sizeof(daddr))
|| skb->mark != mark
|| ipv6_hdr(skb)->hop_limit != hop_limit))
if (ret != NF_DROP && ret != NF_STOLEN &&
(memcmp(&ipv6_hdr(skb)->saddr, &saddr, sizeof(saddr)) ||
memcmp(&ipv6_hdr(skb)->daddr, &daddr, sizeof(daddr)) ||
skb->mark != mark ||
ipv6_hdr(skb)->hop_limit != hop_limit))
return ip6_route_me_harder(skb) == 0 ? ret : NF_DROP;
return ret;

12
net/ipv6/netfilter/nf_conntrack_proto_icmpv6.c
View File

@@ -244,18 +244,18 @@ static const struct nla_policy icmpv6_nla_policy[CTA_PROTO_MAX+1] = {
static int icmpv6_nlattr_to_tuple(struct nlattr *tb[],
struct nf_conntrack_tuple *tuple)
{
if (!tb[CTA_PROTO_ICMPV6_TYPE]
|| !tb[CTA_PROTO_ICMPV6_CODE]
|| !tb[CTA_PROTO_ICMPV6_ID])
if (!tb[CTA_PROTO_ICMPV6_TYPE] ||
!tb[CTA_PROTO_ICMPV6_CODE] ||
!tb[CTA_PROTO_ICMPV6_ID])
return -EINVAL;
tuple->dst.u.icmp.type = nla_get_u8(tb[CTA_PROTO_ICMPV6_TYPE]);
tuple->dst.u.icmp.code = nla_get_u8(tb[CTA_PROTO_ICMPV6_CODE]);
tuple->src.u.icmp.id = nla_get_be16(tb[CTA_PROTO_ICMPV6_ID]);
if (tuple->dst.u.icmp.type < 128
|| tuple->dst.u.icmp.type - 128 >= sizeof(invmap)
|| !invmap[tuple->dst.u.icmp.type - 128])
if (tuple->dst.u.icmp.type < 128 ||
tuple->dst.u.icmp.type - 128 >= sizeof(invmap) ||
!invmap[tuple->dst.u.icmp.type - 128])
return -EINVAL;
return 0;