diff options
author | Patrick McHardy <kaber@trash.net> | 2009-06-02 13:44:56 +0200 |
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committer | Patrick McHardy <kaber@trash.net> | 2009-06-02 13:44:56 +0200 |
commit | 8cc848fa3445b3503465dfba5d8ad47559faa05a (patch) | |
tree | 6fe6128de6b6791493809b2ce440217579a0d6a8 /net/ipv6 | |
parent | netfilter: conntrack: add support for DCCP handshake sequence to ctnetlink (diff) | |
parent | netfilter: xtables: print hook name instead of mask (diff) | |
download | linux-8cc848fa3445b3503465dfba5d8ad47559faa05a.tar.xz linux-8cc848fa3445b3503465dfba5d8ad47559faa05a.zip |
Merge branch 'master' of git://dev.medozas.de/linux
Diffstat (limited to 'net/ipv6')
-rw-r--r-- | net/ipv6/netfilter/ip6_queue.c | 2 | ||||
-rw-r--r-- | net/ipv6/netfilter/ip6_tables.c | 168 |
2 files changed, 85 insertions, 85 deletions
diff --git a/net/ipv6/netfilter/ip6_queue.c b/net/ipv6/netfilter/ip6_queue.c index b693f841aeb4..1cf3f0c6a959 100644 --- a/net/ipv6/netfilter/ip6_queue.c +++ b/net/ipv6/netfilter/ip6_queue.c @@ -598,7 +598,7 @@ static int __init ip6_queue_init(void) #ifdef CONFIG_SYSCTL ipq_sysctl_header = register_sysctl_paths(net_ipv6_ctl_path, ipq_table); #endif - status = nf_register_queue_handler(PF_INET6, &nfqh); + status = nf_register_queue_handler(NFPROTO_IPV6, &nfqh); if (status < 0) { printk(KERN_ERR "ip6_queue: failed to register queue handler\n"); goto cleanup_sysctl; diff --git a/net/ipv6/netfilter/ip6_tables.c b/net/ipv6/netfilter/ip6_tables.c index 219e165aea10..5164e0bf3bcc 100644 --- a/net/ipv6/netfilter/ip6_tables.c +++ b/net/ipv6/netfilter/ip6_tables.c @@ -270,8 +270,8 @@ static struct nf_loginfo trace_loginfo = { /* Mildly perf critical (only if packet tracing is on) */ static inline int get_chainname_rulenum(struct ip6t_entry *s, struct ip6t_entry *e, - char *hookname, char **chainname, - char **comment, unsigned int *rulenum) + const char *hookname, const char **chainname, + const char **comment, unsigned int *rulenum) { struct ip6t_standard_target *t = (void *)ip6t_get_target(s); @@ -289,8 +289,8 @@ get_chainname_rulenum(struct ip6t_entry *s, struct ip6t_entry *e, && unconditional(&s->ipv6)) { /* Tail of chains: STANDARD target (return/policy) */ *comment = *chainname == hookname - ? (char *)comments[NF_IP6_TRACE_COMMENT_POLICY] - : (char *)comments[NF_IP6_TRACE_COMMENT_RETURN]; + ? comments[NF_IP6_TRACE_COMMENT_POLICY] + : comments[NF_IP6_TRACE_COMMENT_RETURN]; } return 1; } else @@ -309,14 +309,14 @@ static void trace_packet(struct sk_buff *skb, { void *table_base; const struct ip6t_entry *root; - char *hookname, *chainname, *comment; + const char *hookname, *chainname, *comment; unsigned int rulenum = 0; - table_base = (void *)private->entries[smp_processor_id()]; + table_base = private->entries[smp_processor_id()]; root = get_entry(table_base, private->hook_entry[hook]); - hookname = chainname = (char *)hooknames[hook]; - comment = (char *)comments[NF_IP6_TRACE_COMMENT_RULE]; + hookname = chainname = hooknames[hook]; + comment = comments[NF_IP6_TRACE_COMMENT_RULE]; IP6T_ENTRY_ITERATE(root, private->size - private->hook_entry[hook], @@ -329,6 +329,12 @@ static void trace_packet(struct sk_buff *skb, } #endif +static inline __pure struct ip6t_entry * +ip6t_next_entry(const struct ip6t_entry *entry) +{ + return (void *)entry + entry->next_offset; +} + /* Returns one of the generic firewall policies, like NF_ACCEPT. */ unsigned int ip6t_do_table(struct sk_buff *skb, @@ -337,6 +343,8 @@ ip6t_do_table(struct sk_buff *skb, const struct net_device *out, struct xt_table *table) { +#define tb_comefrom ((struct ip6t_entry *)table_base)->comefrom + static const char nulldevname[IFNAMSIZ] __attribute__((aligned(sizeof(long)))); bool hotdrop = false; /* Initializing verdict to NF_DROP keeps gcc happy. */ @@ -375,96 +383,86 @@ ip6t_do_table(struct sk_buff *skb, back = get_entry(table_base, private->underflow[hook]); do { + struct ip6t_entry_target *t; + IP_NF_ASSERT(e); IP_NF_ASSERT(back); - if (ip6_packet_match(skb, indev, outdev, &e->ipv6, - &mtpar.thoff, &mtpar.fragoff, &hotdrop)) { - struct ip6t_entry_target *t; - - if (IP6T_MATCH_ITERATE(e, do_match, skb, &mtpar) != 0) - goto no_match; + if (!ip6_packet_match(skb, indev, outdev, &e->ipv6, + &mtpar.thoff, &mtpar.fragoff, &hotdrop) || + IP6T_MATCH_ITERATE(e, do_match, skb, &mtpar) != 0) { + e = ip6t_next_entry(e); + continue; + } - ADD_COUNTER(e->counters, - ntohs(ipv6_hdr(skb)->payload_len) + - sizeof(struct ipv6hdr), 1); + ADD_COUNTER(e->counters, + ntohs(ipv6_hdr(skb)->payload_len) + + sizeof(struct ipv6hdr), 1); - t = ip6t_get_target(e); - IP_NF_ASSERT(t->u.kernel.target); + t = ip6t_get_target(e); + IP_NF_ASSERT(t->u.kernel.target); #if defined(CONFIG_NETFILTER_XT_TARGET_TRACE) || \ defined(CONFIG_NETFILTER_XT_TARGET_TRACE_MODULE) - /* The packet is traced: log it */ - if (unlikely(skb->nf_trace)) - trace_packet(skb, hook, in, out, - table->name, private, e); + /* The packet is traced: log it */ + if (unlikely(skb->nf_trace)) + trace_packet(skb, hook, in, out, + table->name, private, e); #endif - /* Standard target? */ - if (!t->u.kernel.target->target) { - int v; - - v = ((struct ip6t_standard_target *)t)->verdict; - if (v < 0) { - /* Pop from stack? */ - if (v != IP6T_RETURN) { - verdict = (unsigned)(-v) - 1; - break; - } - e = back; - back = get_entry(table_base, - back->comefrom); - continue; - } - if (table_base + v != (void *)e + e->next_offset - && !(e->ipv6.flags & IP6T_F_GOTO)) { - /* Save old back ptr in next entry */ - struct ip6t_entry *next - = (void *)e + e->next_offset; - next->comefrom - = (void *)back - table_base; - /* set back pointer to next entry */ - back = next; + /* Standard target? */ + if (!t->u.kernel.target->target) { + int v; + + v = ((struct ip6t_standard_target *)t)->verdict; + if (v < 0) { + /* Pop from stack? */ + if (v != IP6T_RETURN) { + verdict = (unsigned)(-v) - 1; + break; } + e = back; + back = get_entry(table_base, back->comefrom); + continue; + } + 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; + /* set back pointer to next entry */ + back = next; + } - e = get_entry(table_base, v); - } else { - /* Targets which reenter must return - abs. verdicts */ - tgpar.target = t->u.kernel.target; - tgpar.targinfo = t->data; + e = get_entry(table_base, v); + continue; + } -#ifdef CONFIG_NETFILTER_DEBUG - ((struct ip6t_entry *)table_base)->comefrom - = 0xeeeeeeec; -#endif - verdict = t->u.kernel.target->target(skb, - &tgpar); + /* Targets which reenter must return + abs. verdicts */ + tgpar.target = t->u.kernel.target; + tgpar.targinfo = t->data; #ifdef CONFIG_NETFILTER_DEBUG - if (((struct ip6t_entry *)table_base)->comefrom - != 0xeeeeeeec - && verdict == IP6T_CONTINUE) { - printk("Target %s reentered!\n", - t->u.kernel.target->name); - verdict = NF_DROP; - } - ((struct ip6t_entry *)table_base)->comefrom - = 0x57acc001; + tb_comefrom = 0xeeeeeeec; #endif - if (verdict == IP6T_CONTINUE) - e = (void *)e + e->next_offset; - else - /* Verdict */ - break; - } - } else { + verdict = t->u.kernel.target->target(skb, &tgpar); - no_match: - e = (void *)e + e->next_offset; +#ifdef CONFIG_NETFILTER_DEBUG + if (tb_comefrom != 0xeeeeeeec && verdict == IP6T_CONTINUE) { + printk("Target %s reentered!\n", + t->u.kernel.target->name); + verdict = NF_DROP; } + tb_comefrom = 0x57acc001; +#endif + if (verdict == IP6T_CONTINUE) + e = ip6t_next_entry(e); + else + /* Verdict */ + break; } while (!hotdrop); #ifdef CONFIG_NETFILTER_DEBUG - ((struct ip6t_entry *)table_base)->comefrom = NETFILTER_LINK_POISON; + tb_comefrom = NETFILTER_LINK_POISON; #endif xt_info_rdunlock_bh(); @@ -475,6 +473,8 @@ ip6t_do_table(struct sk_buff *skb, return NF_DROP; else return verdict; #endif + +#undef tb_comefrom } /* Figures out from what hook each rule can be called: returns 0 if @@ -2191,7 +2191,7 @@ static bool icmp6_checkentry(const struct xt_mtchk_param *par) static struct xt_target ip6t_standard_target __read_mostly = { .name = IP6T_STANDARD_TARGET, .targetsize = sizeof(int), - .family = AF_INET6, + .family = NFPROTO_IPV6, #ifdef CONFIG_COMPAT .compatsize = sizeof(compat_int_t), .compat_from_user = compat_standard_from_user, @@ -2203,7 +2203,7 @@ static struct xt_target ip6t_error_target __read_mostly = { .name = IP6T_ERROR_TARGET, .target = ip6t_error, .targetsize = IP6T_FUNCTION_MAXNAMELEN, - .family = AF_INET6, + .family = NFPROTO_IPV6, }; static struct nf_sockopt_ops ip6t_sockopts = { @@ -2229,17 +2229,17 @@ static struct xt_match icmp6_matchstruct __read_mostly = { .matchsize = sizeof(struct ip6t_icmp), .checkentry = icmp6_checkentry, .proto = IPPROTO_ICMPV6, - .family = AF_INET6, + .family = NFPROTO_IPV6, }; static int __net_init ip6_tables_net_init(struct net *net) { - return xt_proto_init(net, AF_INET6); + return xt_proto_init(net, NFPROTO_IPV6); } static void __net_exit ip6_tables_net_exit(struct net *net) { - xt_proto_fini(net, AF_INET6); + xt_proto_fini(net, NFPROTO_IPV6); } static struct pernet_operations ip6_tables_net_ops = { |