Compile tested only.
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Patrick McHardy <kaber@trash.net>
|= ((1 << hook) | (1 << NF_ARP_NUMHOOKS));
/* Unconditional return/END. */
- if ((e->target_offset == sizeof(struct arpt_entry)
- && (strcmp(t->target.u.user.name,
- ARPT_STANDARD_TARGET) == 0)
- && t->verdict < 0
- && unconditional(&e->arp)) || visited) {
+ if ((e->target_offset == sizeof(struct arpt_entry) &&
+ (strcmp(t->target.u.user.name,
+ ARPT_STANDARD_TARGET) == 0) &&
+ t->verdict < 0 && unconditional(&e->arp)) ||
+ visited) {
unsigned int oldpos, size;
if ((strcmp(t->target.u.user.name,
int newpos = t->verdict;
if (strcmp(t->target.u.user.name,
- ARPT_STANDARD_TARGET) == 0
- && newpos >= 0) {
+ ARPT_STANDARD_TARGET) == 0 &&
+ newpos >= 0) {
if (newpos > newinfo->size -
sizeof(struct arpt_entry)) {
duprintf("mark_source_chains: "
{
unsigned int h;
- if ((unsigned long)e % __alignof__(struct arpt_entry) != 0
- || (unsigned char *)e + sizeof(struct arpt_entry) >= limit) {
+ if ((unsigned long)e % __alignof__(struct arpt_entry) != 0 ||
+ (unsigned char *)e + sizeof(struct arpt_entry) >= limit) {
duprintf("Bad offset %p\n", e);
return -EINVAL;
}
int ret, off, h;
duprintf("check_compat_entry_size_and_hooks %p\n", e);
- if ((unsigned long)e % __alignof__(struct compat_arpt_entry) != 0
- || (unsigned char *)e + sizeof(struct compat_arpt_entry) >= limit) {
+ if ((unsigned long)e % __alignof__(struct compat_arpt_entry) != 0 ||
+ (unsigned char *)e + sizeof(struct compat_arpt_entry) >= limit) {
duprintf("Bad offset %p, limit = %p\n", e, limit);
return -EINVAL;
}
#define FWINV(bool, invflg) ((bool) ^ !!(ipinfo->invflags & (invflg)))
if (FWINV((ip->saddr&ipinfo->smsk.s_addr) != ipinfo->src.s_addr,
- IPT_INV_SRCIP)
- || FWINV((ip->daddr&ipinfo->dmsk.s_addr) != ipinfo->dst.s_addr,
- IPT_INV_DSTIP)) {
+ IPT_INV_SRCIP) ||
+ FWINV((ip->daddr&ipinfo->dmsk.s_addr) != ipinfo->dst.s_addr,
+ IPT_INV_DSTIP)) {
dprintf("Source or dest mismatch.\n");
dprintf("SRC: %pI4. Mask: %pI4. Target: %pI4.%s\n",
}
/* Check specific protocol */
- if (ipinfo->proto
- && FWINV(ip->protocol != ipinfo->proto, IPT_INV_PROTO)) {
+ if (ipinfo->proto &&
+ FWINV(ip->protocol != ipinfo->proto, IPT_INV_PROTO)) {
dprintf("Packet protocol %hi does not match %hi.%s\n",
ip->protocol, ipinfo->proto,
ipinfo->invflags&IPT_INV_PROTO ? " (INV)":"");
} else if (s == e) {
(*rulenum)++;
- if (s->target_offset == sizeof(struct ipt_entry)
- && strcmp(t->target.u.kernel.target->name,
- IPT_STANDARD_TARGET) == 0
- && t->verdict < 0
- && unconditional(&s->ip)) {
+ if (s->target_offset == sizeof(struct ipt_entry) &&
+ strcmp(t->target.u.kernel.target->name,
+ IPT_STANDARD_TARGET) == 0 &&
+ t->verdict < 0 &&
+ unconditional(&s->ip)) {
/* Tail of chains: STANDARD target (return/policy) */
*comment = *chainname == hookname
? comments[NF_IP_TRACE_COMMENT_POLICY]
back = get_entry(table_base, back->comefrom);
continue;
}
- if (table_base + v != ipt_next_entry(e)
- && !(e->ip.flags & IPT_F_GOTO)) {
+ if (table_base + v != ipt_next_entry(e) &&
+ !(e->ip.flags & IPT_F_GOTO)) {
/* Save old back ptr in next entry */
struct ipt_entry *next = ipt_next_entry(e);
next->comefrom = (void *)back - table_base;
e->comefrom |= ((1 << hook) | (1 << NF_INET_NUMHOOKS));
/* Unconditional return/END. */
- if ((e->target_offset == sizeof(struct ipt_entry)
- && (strcmp(t->target.u.user.name,
- IPT_STANDARD_TARGET) == 0)
- && t->verdict < 0
- && unconditional(&e->ip)) || visited) {
+ if ((e->target_offset == sizeof(struct ipt_entry) &&
+ (strcmp(t->target.u.user.name,
+ IPT_STANDARD_TARGET) == 0) &&
+ t->verdict < 0 && unconditional(&e->ip)) ||
+ visited) {
unsigned int oldpos, size;
if ((strcmp(t->target.u.user.name,
int newpos = t->verdict;
if (strcmp(t->target.u.user.name,
- IPT_STANDARD_TARGET) == 0
- && newpos >= 0) {
+ IPT_STANDARD_TARGET) == 0 &&
+ newpos >= 0) {
if (newpos > newinfo->size -
sizeof(struct ipt_entry)) {
duprintf("mark_source_chains: "
{
unsigned int h;
- if ((unsigned long)e % __alignof__(struct ipt_entry) != 0
- || (unsigned char *)e + sizeof(struct ipt_entry) >= limit) {
+ if ((unsigned long)e % __alignof__(struct ipt_entry) != 0 ||
+ (unsigned char *)e + sizeof(struct ipt_entry) >= limit) {
duprintf("Bad offset %p\n", e);
return -EINVAL;
}
int ret, off, h;
duprintf("check_compat_entry_size_and_hooks %p\n", e);
- if ((unsigned long)e % __alignof__(struct compat_ipt_entry) != 0
- || (unsigned char *)e + sizeof(struct compat_ipt_entry) >= limit) {
+ if ((unsigned long)e % __alignof__(struct compat_ipt_entry) != 0 ||
+ (unsigned char *)e + sizeof(struct compat_ipt_entry) >= limit) {
duprintf("Bad offset %p, limit = %p\n", e, limit);
return -EINVAL;
}
/* special case: ICMP error handling. conntrack distinguishes between
* error messages (RELATED) and information requests (see below) */
- if (ip_hdr(skb)->protocol == IPPROTO_ICMP
- && (ctinfo == IP_CT_RELATED
- || ctinfo == IP_CT_RELATED+IP_CT_IS_REPLY))
+ if (ip_hdr(skb)->protocol == IPPROTO_ICMP &&
+ (ctinfo == IP_CT_RELATED ||
+ ctinfo == IP_CT_RELATED + IP_CT_IS_REPLY))
return XT_CONTINUE;
/* ip_conntrack_icmp guarantees us that we only have ICMP_ECHO,
return false;
}
- if (e->ip.dmsk.s_addr != htonl(0xffffffff)
- || e->ip.dst.s_addr == 0) {
+ if (e->ip.dmsk.s_addr != htonl(0xffffffff) ||
+ e->ip.dst.s_addr == 0) {
printk(KERN_ERR "CLUSTERIP: Please specify destination IP\n");
return false;
}
struct clusterip_config *c;
/* we don't care about non-ethernet and non-ipv4 ARP */
- if (arp->ar_hrd != htons(ARPHRD_ETHER)
- || arp->ar_pro != htons(ETH_P_IP)
- || arp->ar_pln != 4 || arp->ar_hln != ETH_ALEN)
+ if (arp->ar_hrd != htons(ARPHRD_ETHER) ||
+ arp->ar_pro != htons(ETH_P_IP) ||
+ arp->ar_pln != 4 || arp->ar_hln != ETH_ALEN)
return NF_ACCEPT;
/* we only want to mangle arp requests and replies */
- if (arp->ar_op != htons(ARPOP_REPLY)
- && arp->ar_op != htons(ARPOP_REQUEST))
+ if (arp->ar_op != htons(ARPOP_REPLY) &&
+ arp->ar_op != htons(ARPOP_REQUEST))
return NF_ACCEPT;
payload = (void *)(arp+1);
if (!set_ect_ip(skb, einfo))
return NF_DROP;
- if (einfo->operation & (IPT_ECN_OP_SET_ECE | IPT_ECN_OP_SET_CWR)
- && ip_hdr(skb)->protocol == IPPROTO_TCP)
+ if (einfo->operation & (IPT_ECN_OP_SET_ECE | IPT_ECN_OP_SET_CWR) &&
+ ip_hdr(skb)->protocol == IPPROTO_TCP)
if (!set_ect_tcp(skb, einfo))
return NF_DROP;
einfo->ip_ect);
return false;
}
- if ((einfo->operation & (IPT_ECN_OP_SET_ECE|IPT_ECN_OP_SET_CWR))
- && (e->ip.proto != IPPROTO_TCP || (e->ip.invflags & XT_INV_PROTO))) {
+ if ((einfo->operation & (IPT_ECN_OP_SET_ECE|IPT_ECN_OP_SET_CWR)) &&
+ (e->ip.proto != IPPROTO_TCP || (e->ip.invflags & XT_INV_PROTO))) {
printk(KERN_WARNING "ECN: cannot use TCP operations on a "
"non-tcp rule\n");
return false;
if (ntohs(ih->frag_off) & IP_OFFSET)
printk("FRAG:%u ", ntohs(ih->frag_off) & IP_OFFSET);
- if ((logflags & IPT_LOG_IPOPT)
- && ih->ihl * 4 > sizeof(struct iphdr)) {
+ if ((logflags & IPT_LOG_IPOPT) &&
+ ih->ihl * 4 > sizeof(struct iphdr)) {
const unsigned char *op;
unsigned char _opt[4 * 15 - sizeof(struct iphdr)];
unsigned int i, optsize;
/* Max length: 11 "URGP=65535 " */
printk("URGP=%u ", ntohs(th->urg_ptr));
- if ((logflags & IPT_LOG_TCPOPT)
- && th->doff * 4 > sizeof(struct tcphdr)) {
+ if ((logflags & IPT_LOG_TCPOPT) &&
+ th->doff * 4 > sizeof(struct tcphdr)) {
unsigned char _opt[4 * 15 - sizeof(struct tcphdr)];
const unsigned char *op;
unsigned int i, optsize;
printk("TYPE=%u CODE=%u ", ich->type, ich->code);
/* Max length: 25 "INCOMPLETE [65535 bytes] " */
- if (ich->type <= NR_ICMP_TYPES
- && required_len[ich->type]
- && skb->len-iphoff-ih->ihl*4 < required_len[ich->type]) {
+ if (ich->type <= NR_ICMP_TYPES &&
+ required_len[ich->type] &&
+ skb->len-iphoff-ih->ihl*4 < required_len[ich->type]) {
printk("INCOMPLETE [%u bytes] ",
skb->len - iphoff - ih->ihl*4);
break;
}
/* Max length: 10 "MTU=65535 " */
- if (ich->type == ICMP_DEST_UNREACH
- && ich->code == ICMP_FRAG_NEEDED)
+ if (ich->type == ICMP_DEST_UNREACH &&
+ ich->code == ICMP_FRAG_NEEDED)
printk("MTU=%u ", ntohs(ich->un.frag.mtu));
}
break;
if (in && !out) {
/* MAC logging for input chain only. */
printk("MAC=");
- if (skb->dev && skb->dev->hard_header_len
- && skb->mac_header != skb->network_header) {
+ if (skb->dev && skb->dev->hard_header_len &&
+ skb->mac_header != skb->network_header) {
int i;
const unsigned char *p = skb_mac_header(skb);
for (i = 0; i < skb->dev->hard_header_len; i++,p++)
ct = nf_ct_get(skb, &ctinfo);
nat = nfct_nat(ct);
- NF_CT_ASSERT(ct && (ctinfo == IP_CT_NEW || ctinfo == IP_CT_RELATED
- || ctinfo == IP_CT_RELATED + IP_CT_IS_REPLY));
+ NF_CT_ASSERT(ct && (ctinfo == IP_CT_NEW || ctinfo == IP_CT_RELATED ||
+ ctinfo == IP_CT_RELATED + IP_CT_IS_REPLY));
/* Source address is 0.0.0.0 - locally generated packet that is
* probably not supposed to be masqueraded.
return false;
} else if (rejinfo->with == IPT_TCP_RESET) {
/* Must specify that it's a TCP packet */
- if (e->ip.proto != IPPROTO_TCP
- || (e->ip.invflags & XT_INV_PROTO)) {
+ if (e->ip.proto != IPPROTO_TCP ||
+ (e->ip.invflags & XT_INV_PROTO)) {
printk("ipt_REJECT: TCP_RESET invalid for non-tcp\n");
return false;
}
else
*(pm->prefix) = '\0';
- if (in && in->hard_header_len > 0
- && skb->mac_header != skb->network_header
- && in->hard_header_len <= ULOG_MAC_LEN) {
+ if (in && in->hard_header_len > 0 &&
+ skb->mac_header != skb->network_header &&
+ in->hard_header_len <= ULOG_MAC_LEN) {
memcpy(pm->mac, skb_mac_header(skb), in->hard_header_len);
pm->mac_len = in->hard_header_len;
} else
if (info->invert & IPT_ECN_OP_MATCH_MASK)
return false;
- if (info->operation & (IPT_ECN_OP_MATCH_ECE|IPT_ECN_OP_MATCH_CWR)
- && ip->proto != IPPROTO_TCP) {
+ if (info->operation & (IPT_ECN_OP_MATCH_ECE|IPT_ECN_OP_MATCH_CWR) &&
+ ip->proto != IPPROTO_TCP) {
printk(KERN_WARNING "ipt_ecn: can't match TCP bits in rule for"
" non-tcp packets\n");
return false;
u_int32_t mark;
/* 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))
return NF_ACCEPT;
/* Save things which could affect route */
int (*okfn)(struct sk_buff *))
{
/* Somebody 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))
return NF_ACCEPT;
return ipt_do_table(skb, hook, in, out,
dev_net(out)->ipv4.iptable_security);
static bool icmp_invert_tuple(struct nf_conntrack_tuple *tuple,
const struct nf_conntrack_tuple *orig)
{
- if (orig->dst.u.icmp.type >= sizeof(invmap)
- || !invmap[orig->dst.u.icmp.type])
+ if (orig->dst.u.icmp.type >= sizeof(invmap) ||
+ !invmap[orig->dst.u.icmp.type])
return false;
tuple->src.u.icmp.id = orig->src.u.icmp.id;
[ICMP_ADDRESS] = 1
};
- if (ct->tuplehash[0].tuple.dst.u.icmp.type >= sizeof(valid_new)
- || !valid_new[ct->tuplehash[0].tuple.dst.u.icmp.type]) {
+ if (ct->tuplehash[0].tuple.dst.u.icmp.type >= sizeof(valid_new) ||
+ !valid_new[ct->tuplehash[0].tuple.dst.u.icmp.type]) {
/* Can't create a new ICMP `conn' with this. */
pr_debug("icmp: can't create new conn with type %u\n",
ct->tuplehash[0].tuple.dst.u.icmp.type);
}
/* Need to track icmp error message? */
- if (icmph->type != ICMP_DEST_UNREACH
- && icmph->type != ICMP_SOURCE_QUENCH
- && icmph->type != ICMP_TIME_EXCEEDED
- && icmph->type != ICMP_PARAMETERPROB
- && icmph->type != ICMP_REDIRECT)
+ if (icmph->type != ICMP_DEST_UNREACH &&
+ icmph->type != ICMP_SOURCE_QUENCH &&
+ icmph->type != ICMP_TIME_EXCEEDED &&
+ icmph->type != ICMP_PARAMETERPROB &&
+ icmph->type != ICMP_REDIRECT)
return NF_ACCEPT;
return icmp_error_message(net, skb, ctinfo, hooknum);
static int icmp_nlattr_to_tuple(struct nlattr *tb[],
struct nf_conntrack_tuple *tuple)
{
- if (!tb[CTA_PROTO_ICMP_TYPE]
- || !tb[CTA_PROTO_ICMP_CODE]
- || !tb[CTA_PROTO_ICMP_ID])
+ if (!tb[CTA_PROTO_ICMP_TYPE] ||
+ !tb[CTA_PROTO_ICMP_CODE] ||
+ !tb[CTA_PROTO_ICMP_ID])
return -EINVAL;
tuple->dst.u.icmp.type = nla_get_u8(tb[CTA_PROTO_ICMP_TYPE]);
tuple->dst.u.icmp.code = nla_get_u8(tb[CTA_PROTO_ICMP_CODE]);
tuple->src.u.icmp.id = nla_get_be16(tb[CTA_PROTO_ICMP_ID]);
- if (tuple->dst.u.icmp.type >= sizeof(invmap)
- || !invmap[tuple->dst.u.icmp.type])
+ if (tuple->dst.u.icmp.type >= sizeof(invmap) ||
+ !invmap[tuple->dst.u.icmp.type])
return -EINVAL;
return 0;
(ct = nf_ct_get(skb, &ctinfo)) != NULL) {
enum ip_conntrack_dir dir = CTINFO2DIR(ctinfo);
- if (ct->tuplehash[dir].tuple.src.u3.ip !=
- ct->tuplehash[!dir].tuple.dst.u3.ip
- || ct->tuplehash[dir].tuple.src.u.all !=
- ct->tuplehash[!dir].tuple.dst.u.all
- )
+ if ((ct->tuplehash[dir].tuple.src.u3.ip !=
+ ct->tuplehash[!dir].tuple.dst.u3.ip) ||
+ (ct->tuplehash[dir].tuple.src.u.all !=
+ ct->tuplehash[!dir].tuple.dst.u.all)
+ )
return ip_xfrm_me_harder(skb) == 0 ? ret : NF_DROP;
}
#endif
#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,
} 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]
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;
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,
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: "
{
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;
}
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;
}
/* 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;
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;
}
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)
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)));
-
- 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));
+ !((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)
!((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)));
{
#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;
#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;
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;
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;