list_for_each(pos, &clusterip_configs) {
struct clusterip_config *c = list_entry(pos,
struct clusterip_config, list);
- if (c->clusterip == clusterip) {
+ if (c->clusterip == clusterip)
return c;
- }
}
return NULL;
{
int n;
- for (n = 0; n < i->num_local_nodes; n++) {
+ for (n = 0; n < i->num_local_nodes; n++)
set_bit(i->local_nodes[n] - 1, &c->local_nodes);
- }
}
static struct clusterip_config *
dport = ports[1];
break;
default:
- if (net_ratelimit()) {
+ if (net_ratelimit())
printk(KERN_NOTICE "CLUSTERIP: unknown protocol `%u'\n",
iph->protocol);
- }
sport = dport = 0;
}
}
/* node numbers are 1..n, not 0..n */
- return ((hashval % config->num_total_nodes)+1);
+ return (hashval % config->num_total_nodes) + 1;
}
static inline int
if ((!(einfo->operation & IPT_ECN_OP_SET_ECE) ||
tcph->ece == einfo->proto.tcp.ece) &&
- ((!(einfo->operation & IPT_ECN_OP_SET_CWR) ||
- tcph->cwr == einfo->proto.tcp.cwr)))
+ (!(einfo->operation & IPT_ECN_OP_SET_CWR) ||
+ tcph->cwr == einfo->proto.tcp.cwr))
return true;
if (!skb_make_writable(pskb, ip_hdrlen(*pskb) + sizeof(*tcph)))
info->mode);
return false;
}
- if ((info->mode != IPT_TTL_SET) && (info->ttl == 0))
+ if (info->mode != IPT_TTL_SET && info->ttl == 0)
return false;
return true;
}
unsigned int groupnum = ffs(loginfo->nl_group) - 1;
/* calculate the size of the skb needed */
- if ((loginfo->copy_range == 0) ||
- (loginfo->copy_range > skb->len)) {
+ if (loginfo->copy_range == 0 || loginfo->copy_range > skb->len)
copy_len = skb->len;
- } else {
+ else
copy_len = loginfo->copy_range;
- }
size = NLMSG_SPACE(sizeof(*pm) + copy_len);
BUG();
/* check if we are building multi-part messages */
- if (ub->qlen > 1) {
+ if (ub->qlen > 1)
ub->lastnlh->nlmsg_flags |= NLM_F_MULTI;
- }
ub->lastnlh = nlh;
const struct iphdr *iph = ip_hdr(skb);
if (info->flags & IPRANGE_SRC) {
- if (((ntohl(iph->saddr) < ntohl(info->src.min_ip))
- || (ntohl(iph->saddr) > ntohl(info->src.max_ip)))
+ if ((ntohl(iph->saddr) < ntohl(info->src.min_ip)
+ || ntohl(iph->saddr) > ntohl(info->src.max_ip))
^ !!(info->flags & IPRANGE_SRC_INV)) {
DEBUGP("src IP %u.%u.%u.%u NOT in range %s"
"%u.%u.%u.%u-%u.%u.%u.%u\n",
}
}
if (info->flags & IPRANGE_DST) {
- if (((ntohl(iph->daddr) < ntohl(info->dst.min_ip))
- || (ntohl(iph->daddr) > ntohl(info->dst.max_ip)))
+ if ((ntohl(iph->daddr) < ntohl(info->dst.min_ip)
+ || ntohl(iph->daddr) > ntohl(info->dst.max_ip))
^ !!(info->flags & IPRANGE_DST_INV)) {
DEBUGP("dst IP %u.%u.%u.%u NOT in range %s"
"%u.%u.%u.%u-%u.%u.%u.%u\n",
struct recent_entry *e, *next;
unsigned int i;
- for (i = 0; i < ip_list_hash_size; i++) {
+ for (i = 0; i < ip_list_hash_size; i++)
list_for_each_entry_safe(e, next, &t->iphash[i], list)
recent_entry_remove(t, e);
- }
}
static bool
spin_lock_bh(&recent_lock);
- for (st->bucket = 0; st->bucket < ip_list_hash_size; st->bucket++) {
- list_for_each_entry(e, &t->iphash[st->bucket], list) {
+ for (st->bucket = 0; st->bucket < ip_list_hash_size; st->bucket++)
+ list_for_each_entry(e, &t->iphash[st->bucket], list)
if (p-- == 0)
return e;
- }
- }
return NULL;
}
switch (info->mode) {
case IPT_TTL_EQ:
- return (ttl == info->ttl);
- break;
+ return ttl == info->ttl;
case IPT_TTL_NE:
- return (!(ttl == info->ttl));
- break;
+ return ttl != info->ttl;
case IPT_TTL_LT:
- return (ttl < info->ttl);
- break;
+ return ttl < info->ttl;
case IPT_TTL_GT:
- return (ttl > info->ttl);
- break;
+ return ttl > info->ttl;
default:
printk(KERN_WARNING "ipt_ttl: unknown mode %d\n",
info->mode);
info->mode);
return false;
}
- if ((info->mode != IP6T_HL_SET) && (info->hop_limit == 0)) {
+ if (info->mode != IP6T_HL_SET && info->hop_limit == 0) {
printk(KERN_WARNING "ip6t_HL: increment/decrement doesn't "
"make sense with value 0\n");
return false;
otcplen = oldskb->len - tcphoff;
/* IP header checks: fragment, too short. */
- if ((proto != IPPROTO_TCP) || (otcplen < sizeof(struct tcphdr))) {
+ if (proto != IPPROTO_TCP || otcplen < sizeof(struct tcphdr)) {
DEBUGP("ip6t_REJECT: proto(%d) != IPPROTO_TCP, or too short. otcplen = %d\n",
proto, otcplen);
return;
DEBUGP("SPI %u %08X\n", ntohl(ah->spi), ntohl(ah->spi));
DEBUGP("IPv6 AH spi %02X ",
- (spi_match(ahinfo->spis[0], ahinfo->spis[1],
- ntohl(ah->spi),
- !!(ahinfo->invflags & IP6T_AH_INV_SPI))));
+ spi_match(ahinfo->spis[0], ahinfo->spis[1],
+ ntohl(ah->spi),
+ !!(ahinfo->invflags & IP6T_AH_INV_SPI)));
DEBUGP("len %02X %04X %02X ",
ahinfo->hdrlen, hdrlen,
(!ahinfo->hdrlen ||
return (ah != NULL)
&&
- (spi_match(ahinfo->spis[0], ahinfo->spis[1],
- ntohl(ah->spi),
- !!(ahinfo->invflags & IP6T_AH_INV_SPI)))
+ spi_match(ahinfo->spis[0], ahinfo->spis[1],
+ ntohl(ah->spi),
+ !!(ahinfo->invflags & IP6T_AH_INV_SPI))
&&
(!ahinfo->hdrlen ||
(ahinfo->hdrlen == hdrlen) ^
int i = 0;
if (!(skb_mac_header(skb) >= skb->head &&
- (skb_mac_header(skb) + ETH_HLEN) <= skb->data) &&
+ skb_mac_header(skb) + ETH_HLEN <= skb->data) &&
offset != 0) {
*hotdrop = true;
return false;
eui64[0] |= 0x02;
i = 0;
- while ((ipv6_hdr(skb)->saddr.s6_addr[8 + i] == eui64[i])
- && (i < 8))
+ while (ipv6_hdr(skb)->saddr.s6_addr[8 + i] == eui64[i]
+ && i < 8)
i++;
if (i == 8)
ntohl(fh->identification));
DEBUGP("IPv6 FRAG id %02X ",
- (id_match(fraginfo->ids[0], fraginfo->ids[1],
+ id_match(fraginfo->ids[0], fraginfo->ids[1],
ntohl(fh->identification),
- !!(fraginfo->invflags & IP6T_FRAG_INV_IDS))));
+ !!(fraginfo->invflags & IP6T_FRAG_INV_IDS)));
DEBUGP("res %02X %02X%04X %02X ",
- (fraginfo->flags & IP6T_FRAG_RES), fh->reserved,
+ fraginfo->flags & IP6T_FRAG_RES, fh->reserved,
ntohs(fh->frag_off) & 0x6,
!((fraginfo->flags & IP6T_FRAG_RES)
&& (fh->reserved || (ntohs(fh->frag_off) & 0x06))));
DEBUGP("first %02X %02X %02X ",
- (fraginfo->flags & IP6T_FRAG_FST),
+ fraginfo->flags & IP6T_FRAG_FST,
ntohs(fh->frag_off) & ~0x7,
!((fraginfo->flags & IP6T_FRAG_FST)
&& (ntohs(fh->frag_off) & ~0x7)));
DEBUGP("mf %02X %02X %02X ",
- (fraginfo->flags & IP6T_FRAG_MF),
+ fraginfo->flags & IP6T_FRAG_MF,
ntohs(fh->frag_off) & IP6_MF,
!((fraginfo->flags & IP6T_FRAG_MF)
&& !((ntohs(fh->frag_off) & IP6_MF))));
DEBUGP("last %02X %02X %02X\n",
- (fraginfo->flags & IP6T_FRAG_NMF),
+ 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)))
+ 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)))
DEBUGP("len%04X \n", optlen);
if ((ptr > skb->len - optlen || hdrlen < optlen) &&
- (temp < optinfo->optsnr - 1)) {
+ temp < optinfo->optsnr - 1) {
DEBUGP("new pointer is too large! \n");
break;
}
switch (info->mode) {
case IP6T_HL_EQ:
- return (ip6h->hop_limit == info->hop_limit);
+ return ip6h->hop_limit == info->hop_limit;
break;
case IP6T_HL_NE:
- return (!(ip6h->hop_limit == info->hop_limit));
+ return ip6h->hop_limit != info->hop_limit;
break;
case IP6T_HL_LT:
- return (ip6h->hop_limit < info->hop_limit);
+ return ip6h->hop_limit < info->hop_limit;
break;
case IP6T_HL_GT:
- return (ip6h->hop_limit > info->hop_limit);
+ return ip6h->hop_limit > info->hop_limit;
break;
default:
printk(KERN_WARNING "ip6t_hl: unknown mode %d\n",
BUG_ON(hp == NULL);
/* Calculate the header length */
- if (nexthdr == NEXTHDR_FRAGMENT) {
+ if (nexthdr == NEXTHDR_FRAGMENT)
hdrlen = 8;
- } else if (nexthdr == NEXTHDR_AUTH)
+ else if (nexthdr == NEXTHDR_AUTH)
hdrlen = (hp->hdrlen + 2) << 2;
else
hdrlen = ipv6_optlen(hp);
break;
}
- if ((nexthdr != NEXTHDR_NONE) && (nexthdr != NEXTHDR_ESP))
+ if (nexthdr != NEXTHDR_NONE && nexthdr != NEXTHDR_ESP)
temp |= MASK_PROTO;
if (info->modeflag)
if (!skb->sk || !skb->sk->sk_socket || !skb->sk->sk_socket->file)
return false;
- if (info->match & IP6T_OWNER_UID) {
+ if (info->match & IP6T_OWNER_UID)
if ((skb->sk->sk_socket->file->f_uid != info->uid) ^
!!(info->invert & IP6T_OWNER_UID))
return false;
- }
- if (info->match & IP6T_OWNER_GID) {
+ if (info->match & IP6T_OWNER_GID)
if ((skb->sk->sk_socket->file->f_gid != info->gid) ^
!!(info->invert & IP6T_OWNER_GID))
return false;
- }
return true;
}
DEBUGP("SGS_LEFT %u %02X\n", rh->segments_left, rh->segments_left);
DEBUGP("IPv6 RT segsleft %02X ",
- (segsleft_match(rtinfo->segsleft[0], rtinfo->segsleft[1],
- rh->segments_left,
- !!(rtinfo->invflags & IP6T_RT_INV_SGS))));
+ segsleft_match(rtinfo->segsleft[0], rtinfo->segsleft[1],
+ rh->segments_left,
+ !!(rtinfo->invflags & IP6T_RT_INV_SGS)));
DEBUGP("type %02X %02X %02X ",
rtinfo->rt_type, rh->type,
(!(rtinfo->flags & IP6T_RT_TYP) ||
!!(rtinfo->invflags & IP6T_RT_INV_TYP))));
DEBUGP("len %02X %04X %02X ",
rtinfo->hdrlen, hdrlen,
- (!(rtinfo->flags & IP6T_RT_LEN) ||
+ !(rtinfo->flags & IP6T_RT_LEN) ||
((rtinfo->hdrlen == hdrlen) ^
- !!(rtinfo->invflags & IP6T_RT_INV_LEN))));
+ !!(rtinfo->invflags & IP6T_RT_INV_LEN)));
DEBUGP("res %02X %02X %02X ",
- (rtinfo->flags & IP6T_RT_RES),
+ rtinfo->flags & IP6T_RT_RES,
((const struct rt0_hdr *)rh)->reserved,
!((rtinfo->flags & IP6T_RT_RES) &&
(((const struct rt0_hdr *)rh)->reserved)));
break;
}
DEBUGP("temp=%d #%d\n", temp, rtinfo->addrnr);
- if ((temp == rtinfo->addrnr) &&
- (temp == (unsigned int)((hdrlen - 8) / 16)))
+ if (temp == rtinfo->addrnr &&
+ temp == (unsigned int)((hdrlen - 8) / 16))
return ret;
else
return false;
{
const u_int8_t dscp = ((struct xt_DSCP_info *)targinfo)->dscp;
- if ((dscp > XT_DSCP_MAX)) {
+ if (dscp > XT_DSCP_MAX) {
printk(KERN_WARNING "DSCP: dscp %x out of range\n", dscp);
return false;
}
return 0;
opt[i+2] = (newmss & 0xff00) >> 8;
- opt[i+3] = (newmss & 0x00ff);
+ opt[i+3] = newmss & 0x00ff;
nf_proto_csum_replace2(&tcph->check, *pskb,
htons(oldmss), htons(newmss), 0);
opt[0] = TCPOPT_MSS;
opt[1] = TCPOLEN_MSS;
opt[2] = (newmss & 0xff00) >> 8;
- opt[3] = (newmss & 0x00ff);
+ opt[3] = newmss & 0x00ff;
nf_proto_csum_replace4(&tcph->check, *pskb, 0, *((__be32 *)opt), 0);
}
if (sinfo->count.to)
- return (what <= sinfo->count.to && what >= sinfo->count.from);
+ return what <= sinfo->count.to && what >= sinfo->count.from;
else
- return (what >= sinfo->count.from);
+ return what >= sinfo->count.from;
}
static bool check(const char *tablename,
if (!ct)
return false;
- return (((ct->mark) & info->mask) == info->mark) ^ info->invert;
+ return ((ct->mark & info->mask) == info->mark) ^ info->invert;
}
static bool
static inline bool
match_types(const struct dccp_hdr *dh, u_int16_t typemask)
{
- return (typemask & (1 << dh->dccph_type));
+ return typemask & (1 << dh->dccph_type);
}
static inline bool
return false;
}
- return DCCHECK(((ntohs(dh->dccph_sport) >= info->spts[0])
- && (ntohs(dh->dccph_sport) <= info->spts[1])),
+ return DCCHECK(ntohs(dh->dccph_sport) >= info->spts[0]
+ && ntohs(dh->dccph_sport) <= info->spts[1],
XT_DCCP_SRC_PORTS, info->flags, info->invflags)
- && DCCHECK(((ntohs(dh->dccph_dport) >= info->dpts[0])
- && (ntohs(dh->dccph_dport) <= info->dpts[1])),
+ && DCCHECK(ntohs(dh->dccph_dport) >= info->dpts[0]
+ && ntohs(dh->dccph_dport) <= info->dpts[1],
XT_DCCP_DEST_PORTS, info->flags, info->invflags)
&& DCCHECK(match_types(dh, info->typemask),
XT_DCCP_TYPE, info->flags, info->invflags)
static bool select_gc(const struct xt_hashlimit_htable *ht,
const struct dsthash_ent *he)
{
- return (jiffies >= he->expires);
+ return jiffies >= he->expires;
}
static void htable_selective_cleanup(struct xt_hashlimit_htable *ht,
bool *hotdrop)
{
const struct xt_length_info *info = matchinfo;
- const u_int16_t pktlen = (ntohs(ipv6_hdr(skb)->payload_len) +
- sizeof(struct ipv6hdr));
+ const u_int16_t pktlen = ntohs(ipv6_hdr(skb)->payload_len) +
+ sizeof(struct ipv6hdr);
return (pktlen >= info->min && pktlen <= info->max) ^ info->invert;
}
const struct xt_mac_info *info = matchinfo;
/* Is mac pointer valid? */
- return (skb_mac_header(skb) >= skb->head &&
- (skb_mac_header(skb) + ETH_HLEN) <= skb->data
- /* If so, compare... */
- && ((!compare_ether_addr(eth_hdr(skb)->h_source, info->srcaddr))
- ^ info->invert));
+ return skb_mac_header(skb) >= skb->head &&
+ skb_mac_header(skb) + ETH_HLEN <= skb->data
+ /* If so, compare... */
+ && ((!compare_ether_addr(eth_hdr(skb)->h_source, info->srcaddr))
+ ^ info->invert);
}
static struct xt_match xt_mac_match[] = {
const struct xt_pkttype_info *info = matchinfo;
if (skb->pkt_type == PACKET_LOOPBACK)
- type = (MULTICAST(ip_hdr(skb)->daddr)
+ type = MULTICAST(ip_hdr(skb)->daddr)
? PACKET_MULTICAST
- : PACKET_BROADCAST);
+ : PACKET_BROADCAST;
else
type = skb->pkt_type;
{
int i;
- for (i = 0; i < flag_count; i++) {
- if (flag_info[i].chunktype == chunktype) {
+ for (i = 0; i < flag_count; i++)
+ if (flag_info[i].chunktype == chunktype)
return (chunkflags & flag_info[i].flag_mask) == flag_info[i].flag;
- }
- }
return true;
}
int i = 0;
#endif
- if (chunk_match_type == SCTP_CHUNK_MATCH_ALL) {
+ if (chunk_match_type == SCTP_CHUNK_MATCH_ALL)
SCTP_CHUNKMAP_COPY(chunkmapcopy, chunkmap);
- }
do {
sch = skb_header_pointer(skb, offset, sizeof(_sch), &_sch);
case SCTP_CHUNK_MATCH_ALL:
if (match_flags(flag_info, flag_count,
- sch->type, sch->flags)) {
+ sch->type, sch->flags))
SCTP_CHUNKMAP_CLEAR(chunkmapcopy, sch->type);
- }
break;
case SCTP_CHUNK_MATCH_ONLY:
if (!match_flags(flag_info, flag_count,
- sch->type, sch->flags)) {
+ sch->type, sch->flags))
return false;
- }
break;
}
} else {
}
duprintf("spt: %d\tdpt: %d\n", ntohs(sh->source), ntohs(sh->dest));
- return SCCHECK(((ntohs(sh->source) >= info->spts[0])
- && (ntohs(sh->source) <= info->spts[1])),
+ return SCCHECK(ntohs(sh->source) >= info->spts[0]
+ && ntohs(sh->source) <= info->spts[1],
XT_SCTP_SRC_PORTS, info->flags, info->invflags)
- && SCCHECK(((ntohs(sh->dest) >= info->dpts[0])
- && (ntohs(sh->dest) <= info->dpts[1])),
+ && SCCHECK(ntohs(sh->dest) >= info->dpts[0]
+ && ntohs(sh->dest) <= info->dpts[1],
XT_SCTP_DEST_PORTS, info->flags, info->invflags)
&& SCCHECK(match_packet(skb, protoff + sizeof (sctp_sctphdr_t),
info->chunkmap, info->chunk_match_type,
return false;
}
-#define FWINVTCP(bool,invflg) ((bool) ^ !!(tcpinfo->invflags & invflg))
+#define FWINVTCP(bool, invflg) ((bool) ^ !!(tcpinfo->invflags & (invflg)))
th = skb_header_pointer(skb, protoff, sizeof(_tcph), &_tcph);
if (th == NULL) {