printk("SNAT: multiple ranges no longer supported\n");
return 0;
}
-
- if (targinfosize != IPT_ALIGN(sizeof(struct ip_nat_multi_range_compat))) {
- DEBUGP("SNAT: Target size %u wrong for %u ranges\n",
- targinfosize, mr->rangesize);
- return 0;
- }
-
- /* Only allow these for NAT. */
- if (strcmp(tablename, "nat") != 0) {
- DEBUGP("SNAT: wrong table %s\n", tablename);
- return 0;
- }
-
- if (hook_mask & ~(1 << NF_IP_POST_ROUTING)) {
- DEBUGP("SNAT: hook mask 0x%x bad\n", hook_mask);
- return 0;
- }
return 1;
}
printk("DNAT: multiple ranges no longer supported\n");
return 0;
}
-
- if (targinfosize != IPT_ALIGN(sizeof(struct ip_nat_multi_range_compat))) {
- DEBUGP("DNAT: Target size %u wrong for %u ranges\n",
- targinfosize, mr->rangesize);
- return 0;
- }
-
- /* Only allow these for NAT. */
- if (strcmp(tablename, "nat") != 0) {
- DEBUGP("DNAT: wrong table %s\n", tablename);
- return 0;
- }
-
- if (hook_mask & ~((1 << NF_IP_PRE_ROUTING) | (1 << NF_IP_LOCAL_OUT))) {
- DEBUGP("DNAT: hook mask 0x%x bad\n", hook_mask);
- return 0;
- }
-
return 1;
}
static struct ipt_target ipt_snat_reg = {
.name = "SNAT",
.target = ipt_snat_target,
+ .targetsize = sizeof(struct ip_nat_multi_range_compat),
+ .table = "nat",
+ .hooks = 1 << NF_IP_POST_ROUTING,
.checkentry = ipt_snat_checkentry,
};
static struct ipt_target ipt_dnat_reg = {
.name = "DNAT",
.target = ipt_dnat_target,
+ .targetsize = sizeof(struct ip_nat_multi_range_compat),
+ .table = "nat",
+ .hooks = 1 << NF_IP_PRE_ROUTING,
.checkentry = ipt_dnat_checkentry,
};
struct ipt_standard_target *targ = (void *)t;
/* Check standard info. */
- if (t->u.target_size
- != IPT_ALIGN(sizeof(struct ipt_standard_target))) {
- duprintf("standard_check: target size %u != %u\n",
- t->u.target_size,
- IPT_ALIGN(sizeof(struct ipt_standard_target)));
- return 0;
- }
-
if (targ->verdict >= 0
&& targ->verdict > max_offset - sizeof(struct ipt_entry)) {
duprintf("ipt_standard_check: bad verdict (%i)\n",
targ->verdict);
return 0;
}
-
if (targ->verdict < -NF_MAX_VERDICT - 1) {
duprintf("ipt_standard_check: bad negative verdict (%i)\n",
targ->verdict);
unsigned int matchsize,
unsigned int hook_mask)
{
- const struct ipt_ip *ip = info;
const struct ipt_icmp *icmpinfo = matchinfo;
- /* Must specify proto == ICMP, and no unknown invflags */
- return ip->proto == IPPROTO_ICMP
- && !(ip->invflags & IPT_INV_PROTO)
- && matchsize == IPT_ALIGN(sizeof(struct ipt_icmp))
- && !(icmpinfo->invflags & ~IPT_ICMP_INV);
+ /* Must specify no unknown invflags */
+ return !(icmpinfo->invflags & ~IPT_ICMP_INV);
}
/* The built-in targets: standard (NULL) and error. */
static struct ipt_target ipt_standard_target = {
.name = IPT_STANDARD_TARGET,
+ .targetsize = sizeof(int),
};
static struct ipt_target ipt_error_target = {
.name = IPT_ERROR_TARGET,
.target = ipt_error,
+ .targetsize = IPT_FUNCTION_MAXNAMELEN,
};
static struct nf_sockopt_ops ipt_sockopts = {
static struct ipt_match icmp_matchstruct = {
.name = "icmp",
- .match = &icmp_match,
- .checkentry = &icmp_checkentry,
+ .match = icmp_match,
+ .matchsize = sizeof(struct ipt_icmp),
+ .proto = IPPROTO_ICMP,
+ .checkentry = icmp_checkentry,
};
static int __init init(void)
struct clusterip_config *config;
- if (targinfosize != IPT_ALIGN(sizeof(struct ipt_clusterip_tgt_info))) {
- printk(KERN_WARNING "CLUSTERIP: targinfosize %u != %Zu\n",
- targinfosize,
- IPT_ALIGN(sizeof(struct ipt_clusterip_tgt_info)));
- return 0;
- }
-
if (cipinfo->hash_mode != CLUSTERIP_HASHMODE_SIP &&
cipinfo->hash_mode != CLUSTERIP_HASHMODE_SIP_SPT &&
cipinfo->hash_mode != CLUSTERIP_HASHMODE_SIP_SPT_DPT) {
clusterip_config_put(cipinfo->config);
}
-static struct ipt_target clusterip_tgt = {
- .name = "CLUSTERIP",
- .target = &target,
- .checkentry = &checkentry,
- .destroy = &destroy,
- .me = THIS_MODULE
+static struct ipt_target clusterip_tgt = {
+ .name = "CLUSTERIP",
+ .target = target,
+ .targetsize = sizeof(struct ipt_clusterip_tgt_info),
+ .checkentry = checkentry,
+ .destroy = destroy,
+ .me = THIS_MODULE
};
{
const u_int8_t dscp = ((struct ipt_DSCP_info *)targinfo)->dscp;
- if (targinfosize != IPT_ALIGN(sizeof(struct ipt_DSCP_info))) {
- printk(KERN_WARNING "DSCP: targinfosize %u != %Zu\n",
- targinfosize,
- IPT_ALIGN(sizeof(struct ipt_DSCP_info)));
- return 0;
- }
-
- if (strcmp(tablename, "mangle") != 0) {
- printk(KERN_WARNING "DSCP: can only be called from \"mangle\" table, not \"%s\"\n", tablename);
- return 0;
- }
-
if ((dscp > IPT_DSCP_MAX)) {
printk(KERN_WARNING "DSCP: dscp %x out of range\n", dscp);
return 0;
}
-
return 1;
}
static struct ipt_target ipt_dscp_reg = {
.name = "DSCP",
.target = target,
+ .targetsize = sizeof(struct ipt_DSCP_info),
+ .table = "mangle",
.checkentry = checkentry,
.me = THIS_MODULE,
};
const struct ipt_ECN_info *einfo = (struct ipt_ECN_info *)targinfo;
const struct ipt_entry *e = e_void;
- if (targinfosize != IPT_ALIGN(sizeof(struct ipt_ECN_info))) {
- printk(KERN_WARNING "ECN: targinfosize %u != %Zu\n",
- targinfosize,
- IPT_ALIGN(sizeof(struct ipt_ECN_info)));
- return 0;
- }
-
- if (strcmp(tablename, "mangle") != 0) {
- printk(KERN_WARNING "ECN: can only be called from \"mangle\" table, not \"%s\"\n", tablename);
- return 0;
- }
-
if (einfo->operation & IPT_ECN_OP_MASK) {
printk(KERN_WARNING "ECN: unsupported ECN operation %x\n",
einfo->operation);
einfo->ip_ect);
return 0;
}
-
if ((einfo->operation & (IPT_ECN_OP_SET_ECE|IPT_ECN_OP_SET_CWR))
&& (e->ip.proto != IPPROTO_TCP || (e->ip.invflags & IPT_INV_PROTO))) {
printk(KERN_WARNING "ECN: cannot use TCP operations on a "
"non-tcp rule\n");
return 0;
}
-
return 1;
}
static struct ipt_target ipt_ecn_reg = {
.name = "ECN",
.target = target,
+ .targetsize = sizeof(struct ipt_ECN_info),
+ .table = "mangle",
.checkentry = checkentry,
.me = THIS_MODULE,
};
{
const struct ipt_log_info *loginfo = targinfo;
- if (targinfosize != IPT_ALIGN(sizeof(struct ipt_log_info))) {
- DEBUGP("LOG: targinfosize %u != %u\n",
- targinfosize, IPT_ALIGN(sizeof(struct ipt_log_info)));
- return 0;
- }
-
if (loginfo->level >= 8) {
DEBUGP("LOG: level %u >= 8\n", loginfo->level);
return 0;
}
-
if (loginfo->prefix[sizeof(loginfo->prefix)-1] != '\0') {
DEBUGP("LOG: prefix term %i\n",
loginfo->prefix[sizeof(loginfo->prefix)-1]);
return 0;
}
-
return 1;
}
static struct ipt_target ipt_log_reg = {
.name = "LOG",
.target = ipt_log_target,
+ .targetsize = sizeof(struct ipt_log_info),
.checkentry = ipt_log_checkentry,
.me = THIS_MODULE,
};
{
const struct ip_nat_multi_range_compat *mr = targinfo;
- if (strcmp(tablename, "nat") != 0) {
- DEBUGP("masquerade_check: bad table `%s'.\n", tablename);
- return 0;
- }
- if (targinfosize != IPT_ALIGN(sizeof(*mr))) {
- DEBUGP("masquerade_check: size %u != %u.\n",
- targinfosize, sizeof(*mr));
- return 0;
- }
- if (hook_mask & ~(1 << NF_IP_POST_ROUTING)) {
- DEBUGP("masquerade_check: bad hooks %x.\n", hook_mask);
- return 0;
- }
if (mr->range[0].flags & IP_NAT_RANGE_MAP_IPS) {
DEBUGP("masquerade_check: bad MAP_IPS.\n");
return 0;
static struct ipt_target masquerade = {
.name = "MASQUERADE",
.target = masquerade_target,
+ .targetsize = sizeof(struct ip_nat_multi_range_compat),
+ .table = "nat",
+ .hooks = 1 << NF_IP_POST_ROUTING,
.checkentry = masquerade_check,
.me = THIS_MODULE,
};
{
const struct ip_nat_multi_range_compat *mr = targinfo;
- if (strcmp(tablename, "nat") != 0) {
- DEBUGP(MODULENAME":check: bad table `%s'.\n", tablename);
- return 0;
- }
- if (targinfosize != IPT_ALIGN(sizeof(*mr))) {
- DEBUGP(MODULENAME":check: size %u.\n", targinfosize);
- return 0;
- }
- if (hook_mask & ~((1 << NF_IP_PRE_ROUTING) | (1 << NF_IP_POST_ROUTING) |
- (1 << NF_IP_LOCAL_OUT))) {
- DEBUGP(MODULENAME":check: bad hooks %x.\n", hook_mask);
- return 0;
- }
if (!(mr->range[0].flags & IP_NAT_RANGE_MAP_IPS)) {
DEBUGP(MODULENAME":check: bad MAP_IPS.\n");
return 0;
static struct ipt_target target_module = {
.name = MODULENAME,
.target = target,
+ .targetsize = sizeof(struct ip_nat_multi_range_compat),
+ .table = "nat",
+ .hooks = (1 << NF_IP_PRE_ROUTING) | (1 << NF_IP_POST_ROUTING) |
+ (1 << NF_IP_LOCAL_OUT),
.checkentry = check,
.me = THIS_MODULE
};
{
const struct ip_nat_multi_range_compat *mr = targinfo;
- if (strcmp(tablename, "nat") != 0) {
- DEBUGP("redirect_check: bad table `%s'.\n", table);
- return 0;
- }
- if (targinfosize != IPT_ALIGN(sizeof(*mr))) {
- DEBUGP("redirect_check: size %u.\n", targinfosize);
- return 0;
- }
- if (hook_mask & ~((1 << NF_IP_PRE_ROUTING) | (1 << NF_IP_LOCAL_OUT))) {
- DEBUGP("redirect_check: bad hooks %x.\n", hook_mask);
- return 0;
- }
if (mr->range[0].flags & IP_NAT_RANGE_MAP_IPS) {
DEBUGP("redirect_check: bad MAP_IPS.\n");
return 0;
static struct ipt_target redirect_reg = {
.name = "REDIRECT",
.target = redirect_target,
+ .targetsize = sizeof(struct ip_nat_multi_range_compat),
+ .table = "nat",
+ .hooks = (1 << NF_IP_PRE_ROUTING) | (1 << NF_IP_LOCAL_OUT),
.checkentry = redirect_check,
.me = THIS_MODULE,
};
const struct ipt_reject_info *rejinfo = targinfo;
const struct ipt_entry *e = e_void;
- if (targinfosize != IPT_ALIGN(sizeof(struct ipt_reject_info))) {
- DEBUGP("REJECT: targinfosize %u != 0\n", targinfosize);
- return 0;
- }
-
- /* Only allow these for packet filtering. */
- if (strcmp(tablename, "filter") != 0) {
- DEBUGP("REJECT: bad table `%s'.\n", tablename);
- return 0;
- }
- if ((hook_mask & ~((1 << NF_IP_LOCAL_IN)
- | (1 << NF_IP_FORWARD)
- | (1 << NF_IP_LOCAL_OUT))) != 0) {
- DEBUGP("REJECT: bad hook mask %X\n", hook_mask);
- return 0;
- }
-
if (rejinfo->with == IPT_ICMP_ECHOREPLY) {
printk("REJECT: ECHOREPLY no longer supported.\n");
return 0;
return 0;
}
}
-
return 1;
}
static struct ipt_target ipt_reject_reg = {
.name = "REJECT",
.target = reject,
+ .targetsize = sizeof(struct ipt_reject_info),
+ .table = "filter",
+ .hooks = (1 << NF_IP_LOCAL_IN) | (1 << NF_IP_FORWARD) |
+ (1 << NF_IP_LOCAL_OUT),
.checkentry = check,
.me = THIS_MODULE,
};
mr->ipnum = 0;
- if (strcmp(tablename, "nat") != 0) {
- DEBUGP("same_check: bad table `%s'.\n", tablename);
- return 0;
- }
- if (targinfosize != IPT_ALIGN(sizeof(*mr))) {
- DEBUGP("same_check: size %u.\n", targinfosize);
- return 0;
- }
- if (hook_mask & ~(1 << NF_IP_PRE_ROUTING | 1 << NF_IP_POST_ROUTING)) {
- DEBUGP("same_check: bad hooks %x.\n", hook_mask);
- return 0;
- }
if (mr->rangesize < 1) {
DEBUGP("same_check: need at least one dest range.\n");
return 0;
static struct ipt_target same_reg = {
.name = "SAME",
.target = same_target,
+ .targetsize = sizeof(struct ipt_same_info),
+ .table = "nat",
+ .hooks = (1 << NF_IP_PRE_ROUTING | 1 << NF_IP_POST_ROUTING),
.checkentry = same_check,
.destroy = same_destroy,
.me = THIS_MODULE,
const struct ipt_tcpmss_info *tcpmssinfo = targinfo;
const struct ipt_entry *e = e_void;
- if (targinfosize != IPT_ALIGN(sizeof(struct ipt_tcpmss_info))) {
- DEBUGP("ipt_tcpmss_checkentry: targinfosize %u != %u\n",
- targinfosize, IPT_ALIGN(sizeof(struct ipt_tcpmss_info)));
- return 0;
- }
-
-
if((tcpmssinfo->mss == IPT_TCPMSS_CLAMP_PMTU) &&
((hook_mask & ~((1 << NF_IP_FORWARD)
| (1 << NF_IP_LOCAL_OUT)
return 0;
}
- if (e->ip.proto == IPPROTO_TCP
- && !(e->ip.invflags & IPT_INV_PROTO)
- && IPT_MATCH_ITERATE(e, find_syn_match))
+ if (IPT_MATCH_ITERATE(e, find_syn_match))
return 1;
-
printk("TCPMSS: Only works on TCP SYN packets\n");
return 0;
}
static struct ipt_target ipt_tcpmss_reg = {
.name = "TCPMSS",
.target = ipt_tcpmss_target,
+ .targetsize = sizeof(struct ipt_tcpmss_info),
+ .proto = IPPROTO_TCP,
.checkentry = ipt_tcpmss_checkentry,
.me = THIS_MODULE,
};
{
const u_int8_t tos = ((struct ipt_tos_target_info *)targinfo)->tos;
- if (targinfosize != IPT_ALIGN(sizeof(struct ipt_tos_target_info))) {
- printk(KERN_WARNING "TOS: targinfosize %u != %Zu\n",
- targinfosize,
- IPT_ALIGN(sizeof(struct ipt_tos_target_info)));
- return 0;
- }
-
- if (strcmp(tablename, "mangle") != 0) {
- printk(KERN_WARNING "TOS: can only be called from \"mangle\" table, not \"%s\"\n", tablename);
- return 0;
- }
-
if (tos != IPTOS_LOWDELAY
&& tos != IPTOS_THROUGHPUT
&& tos != IPTOS_RELIABILITY
printk(KERN_WARNING "TOS: bad tos value %#x\n", tos);
return 0;
}
-
return 1;
}
static struct ipt_target ipt_tos_reg = {
.name = "TOS",
.target = target,
+ .targetsize = sizeof(struct ipt_tos_target_info),
+ .table = "mangle",
.checkentry = checkentry,
.me = THIS_MODULE,
};
{
struct ipt_TTL_info *info = targinfo;
- if (targinfosize != IPT_ALIGN(sizeof(struct ipt_TTL_info))) {
- printk(KERN_WARNING "ipt_TTL: targinfosize %u != %Zu\n",
- targinfosize,
- IPT_ALIGN(sizeof(struct ipt_TTL_info)));
- return 0;
- }
-
- if (strcmp(tablename, "mangle")) {
- printk(KERN_WARNING "ipt_TTL: can only be called from "
- "\"mangle\" table, not \"%s\"\n", tablename);
- return 0;
- }
-
if (info->mode > IPT_TTL_MAXMODE) {
printk(KERN_WARNING "ipt_TTL: invalid or unknown Mode %u\n",
info->mode);
return 0;
}
-
if ((info->mode != IPT_TTL_SET) && (info->ttl == 0))
return 0;
-
return 1;
}
static struct ipt_target ipt_TTL = {
.name = "TTL",
.target = ipt_ttl_target,
+ .targetsize = sizeof(struct ipt_TTL_info),
+ .table = "mangle",
.checkentry = ipt_ttl_checkentry,
.me = THIS_MODULE,
};
{
struct ipt_ulog_info *loginfo = (struct ipt_ulog_info *) targinfo;
- if (targinfosize != IPT_ALIGN(sizeof(struct ipt_ulog_info))) {
- DEBUGP("ipt_ULOG: targinfosize %u != 0\n", targinfosize);
- return 0;
- }
-
if (loginfo->prefix[sizeof(loginfo->prefix) - 1] != '\0') {
DEBUGP("ipt_ULOG: prefix term %i\n",
loginfo->prefix[sizeof(loginfo->prefix) - 1]);
return 0;
}
-
if (loginfo->qthreshold > ULOG_MAX_QLEN) {
DEBUGP("ipt_ULOG: queue threshold %i > MAX_QLEN\n",
loginfo->qthreshold);
return 0;
}
-
return 1;
}
static struct ipt_target ipt_ulog_reg = {
.name = "ULOG",
.target = ipt_ulog_target,
+ .targetsize = sizeof(struct ipt_ulog_info),
.checkentry = ipt_ulog_checkentry,
.me = THIS_MODULE,
};
static struct nf_logger ipt_ulog_logger = {
.name = "ipt_ULOG",
- .logfn = &ipt_logfn,
+ .logfn = ipt_logfn,
.me = THIS_MODULE,
};
return ret;
}
-static int checkentry(const char *tablename, const void *ip,
- void *matchinfo, unsigned int matchsize,
- unsigned int hook_mask)
-{
- if (matchsize != IPT_ALIGN(sizeof(struct ipt_addrtype_info))) {
- printk(KERN_ERR "ipt_addrtype: invalid size (%u != %Zu)\n",
- matchsize, IPT_ALIGN(sizeof(struct ipt_addrtype_info)));
- return 0;
- }
-
- return 1;
-}
-
static struct ipt_match addrtype_match = {
.name = "addrtype",
.match = match,
- .checkentry = checkentry,
+ .matchsize = sizeof(struct ipt_addrtype_info),
.me = THIS_MODULE
};
unsigned int hook_mask)
{
const struct ipt_ah *ahinfo = matchinfo;
- const struct ipt_ip *ip = ip_void;
- /* Must specify proto == AH, and no unknown invflags */
- if (ip->proto != IPPROTO_AH || (ip->invflags & IPT_INV_PROTO)) {
- duprintf("ipt_ah: Protocol %u != %u\n", ip->proto,
- IPPROTO_AH);
- return 0;
- }
- if (matchinfosize != IPT_ALIGN(sizeof(struct ipt_ah))) {
- duprintf("ipt_ah: matchsize %u != %u\n",
- matchinfosize, IPT_ALIGN(sizeof(struct ipt_ah)));
- return 0;
- }
+ /* Must specify no unknown invflags */
if (ahinfo->invflags & ~IPT_AH_INV_MASK) {
- duprintf("ipt_ah: unknown flags %X\n",
- ahinfo->invflags);
+ duprintf("ipt_ah: unknown flags %X\n", ahinfo->invflags);
return 0;
}
-
return 1;
}
static struct ipt_match ah_match = {
.name = "ah",
- .match = &match,
- .checkentry = &checkentry,
+ .match = match,
+ .matchsize = sizeof(struct ipt_ah),
+ .proto = IPPROTO_AH,
+ .checkentry = checkentry,
.me = THIS_MODULE,
};
return ((iph->tos&IPT_DSCP_MASK) == sh_dscp) ^ info->invert;
}
-static int checkentry(const char *tablename, const void *ip,
- void *matchinfo, unsigned int matchsize,
- unsigned int hook_mask)
-{
- if (matchsize != IPT_ALIGN(sizeof(struct ipt_dscp_info)))
- return 0;
-
- return 1;
-}
-
static struct ipt_match dscp_match = {
.name = "dscp",
- .match = &match,
- .checkentry = &checkentry,
+ .match = match,
+ .matchsize = sizeof(struct ipt_dscp_info),
.me = THIS_MODULE,
};
const struct ipt_ecn_info *info = matchinfo;
const struct ipt_ip *ip = ip_void;
- if (matchsize != IPT_ALIGN(sizeof(struct ipt_ecn_info)))
- return 0;
-
if (info->operation & IPT_ECN_OP_MATCH_MASK)
return 0;
static struct ipt_match ecn_match = {
.name = "ecn",
- .match = &match,
- .checkentry = &checkentry,
+ .match = match,
+ .matchsize = sizeof(struct ipt_ecn_info),
+ .checkentry = checkentry,
.me = THIS_MODULE,
};
unsigned int hook_mask)
{
const struct ipt_esp *espinfo = matchinfo;
- const struct ipt_ip *ip = ip_void;
- /* Must specify proto == ESP, and no unknown invflags */
- if (ip->proto != IPPROTO_ESP || (ip->invflags & IPT_INV_PROTO)) {
- duprintf("ipt_esp: Protocol %u != %u\n", ip->proto,
- IPPROTO_ESP);
- return 0;
- }
- if (matchinfosize != IPT_ALIGN(sizeof(struct ipt_esp))) {
- duprintf("ipt_esp: matchsize %u != %u\n",
- matchinfosize, IPT_ALIGN(sizeof(struct ipt_esp)));
- return 0;
- }
+ /* Must specify no unknown invflags */
if (espinfo->invflags & ~IPT_ESP_INV_MASK) {
- duprintf("ipt_esp: unknown flags %X\n",
- espinfo->invflags);
+ duprintf("ipt_esp: unknown flags %X\n", espinfo->invflags);
return 0;
}
-
return 1;
}
static struct ipt_match esp_match = {
.name = "esp",
- .match = &match,
- .checkentry = &checkentry,
+ .match = match,
+ .matchsize = sizeof(struct ipt_esp),
+ .proto = IPPROTO_ESP,
+ .checkentry = checkentry,
.me = THIS_MODULE,
};
{
struct ipt_hashlimit_info *r = matchinfo;
- if (matchsize != IPT_ALIGN(sizeof(struct ipt_hashlimit_info)))
- return 0;
-
/* Check for overflow. */
if (r->cfg.burst == 0
|| user2credits(r->cfg.avg * r->cfg.burst) <
htable_put(r->hinfo);
}
-static struct ipt_match ipt_hashlimit = {
- .name = "hashlimit",
- .match = hashlimit_match,
- .checkentry = hashlimit_checkentry,
- .destroy = hashlimit_destroy,
- .me = THIS_MODULE
+static struct ipt_match ipt_hashlimit = {
+ .name = "hashlimit",
+ .match = hashlimit_match,
+ .matchsize = sizeof(struct ipt_hashlimit_info),
+ .checkentry = hashlimit_checkentry,
+ .destroy = hashlimit_destroy,
+ .me = THIS_MODULE
};
/* PROC stuff */
return 1;
}
-static int check(const char *tablename,
- const void *inf,
- void *matchinfo,
- unsigned int matchsize,
- unsigned int hook_mask)
-{
- /* verify size */
- if (matchsize != IPT_ALIGN(sizeof(struct ipt_iprange_info)))
- return 0;
-
- return 1;
-}
-
-static struct ipt_match iprange_match =
-{
- .list = { NULL, NULL },
- .name = "iprange",
- .match = &match,
- .checkentry = &check,
- .destroy = NULL,
- .me = THIS_MODULE
+static struct ipt_match iprange_match = {
+ .name = "iprange",
+ .match = match,
+ .matchsize = sizeof(struct ipt_iprange_info),
+ .destroy = NULL,
+ .me = THIS_MODULE
};
static int __init init(void)
return ports_match_v1(multiinfo, ntohs(pptr[0]), ntohs(pptr[1]));
}
-/* Called when user tries to insert an entry of this type. */
-static int
-checkentry(const char *tablename,
- const void *ip,
- void *matchinfo,
- unsigned int matchsize,
- unsigned int hook_mask)
-{
- return (matchsize == IPT_ALIGN(sizeof(struct ipt_multiport)));
-}
-
-static int
-checkentry_v1(const char *tablename,
- const void *ip,
- void *matchinfo,
- unsigned int matchsize,
- unsigned int hook_mask)
-{
- return (matchsize == IPT_ALIGN(sizeof(struct ipt_multiport_v1)));
-}
-
static struct ipt_match multiport_match = {
.name = "multiport",
.revision = 0,
- .match = &match,
- .checkentry = &checkentry,
+ .match = match,
+ .matchsize = sizeof(struct ipt_multiport),
.me = THIS_MODULE,
};
static struct ipt_match multiport_match_v1 = {
.name = "multiport",
.revision = 1,
- .match = &match_v1,
- .checkentry = &checkentry_v1,
+ .match = match_v1,
+ .matchsize = sizeof(struct ipt_multiport_v1),
.me = THIS_MODULE,
};
{
const struct ipt_owner_info *info = matchinfo;
- if (hook_mask
- & ~((1 << NF_IP_LOCAL_OUT) | (1 << NF_IP_POST_ROUTING))) {
- printk("ipt_owner: only valid for LOCAL_OUT or POST_ROUTING.\n");
- return 0;
- }
-
- if (matchsize != IPT_ALIGN(sizeof(struct ipt_owner_info))) {
- printk("Matchsize %u != %Zu\n", matchsize,
- IPT_ALIGN(sizeof(struct ipt_owner_info)));
- return 0;
- }
-
if (info->match & (IPT_OWNER_PID|IPT_OWNER_SID|IPT_OWNER_COMM)) {
printk("ipt_owner: pid, sid and command matching "
"not supported anymore\n");
return 0;
}
-
return 1;
}
static struct ipt_match owner_match = {
.name = "owner",
- .match = &match,
- .checkentry = &checkentry,
+ .match = match,
+ .matchsize = sizeof(struct ipt_owner_info),
+ .hooks = (1 << NF_IP_LOCAL_OUT) | (1 << NF_IP_POST_ROUTING),
+ .checkentry = checkentry,
.me = THIS_MODULE,
};
{
struct ipt_policy_info *info = matchinfo;
- if (matchsize != IPT_ALIGN(sizeof(*info))) {
- printk(KERN_ERR "ipt_policy: matchsize %u != %zu\n",
- matchsize, IPT_ALIGN(sizeof(*info)));
- return 0;
- }
if (!(info->flags & (IPT_POLICY_MATCH_IN|IPT_POLICY_MATCH_OUT))) {
printk(KERN_ERR "ipt_policy: neither incoming nor "
"outgoing policy selected\n");
static struct ipt_match policy_match = {
.name = "policy",
.match = match,
+ .matchsize = sizeof(struct ipt_policy_info),
.checkentry = checkentry,
.me = THIS_MODULE,
};
if(debug) printk(KERN_INFO RECENT_NAME ": checkentry() entered.\n");
#endif
- if (matchsize != IPT_ALIGN(sizeof(struct ipt_recent_info))) return 0;
-
/* seconds and hit_count only valid for CHECK/UPDATE */
if(info->check_set & IPT_RECENT_SET) { flag++; if(info->seconds || info->hit_count) return 0; }
if(info->check_set & IPT_RECENT_REMOVE) { flag++; if(info->seconds || info->hit_count) return 0; }
/* This is the structure we pass to ipt_register to register our
* module with iptables.
*/
-static struct ipt_match recent_match = {
- .name = "recent",
- .match = &match,
- .checkentry = &checkentry,
- .destroy = &destroy,
- .me = THIS_MODULE
+static struct ipt_match recent_match = {
+ .name = "recent",
+ .match = match,
+ .matchsize = sizeof(struct ipt_recent_info),
+ .checkentry = checkentry,
+ .destroy = destroy,
+ .me = THIS_MODULE
};
/* Kernel module initialization. */
return (skb->nh.iph->tos == info->tos) ^ info->invert;
}
-static int
-checkentry(const char *tablename,
- const void *ip,
- void *matchinfo,
- unsigned int matchsize,
- unsigned int hook_mask)
-{
- if (matchsize != IPT_ALIGN(sizeof(struct ipt_tos_info)))
- return 0;
-
- return 1;
-}
-
static struct ipt_match tos_match = {
.name = "tos",
- .match = &match,
- .checkentry = &checkentry,
+ .match = match,
+ .matchsize = sizeof(struct ipt_tos_info),
.me = THIS_MODULE,
};
return 0;
}
-static int checkentry(const char *tablename, const void *ip,
- void *matchinfo, unsigned int matchsize,
- unsigned int hook_mask)
-{
- if (matchsize != IPT_ALIGN(sizeof(struct ipt_ttl_info)))
- return 0;
-
- return 1;
-}
-
static struct ipt_match ttl_match = {
.name = "ttl",
- .match = &match,
- .checkentry = &checkentry,
+ .match = match,
+ .matchsize = sizeof(struct ipt_ttl_info),
.me = THIS_MODULE,
};
git://ftp.safe.ca / safe / jmp / linux-2.6 / commitdiff