Ejemplo n.º 1
0
/* Called when user tries to insert an entry of this type. */
static int
checkentry(const char *tablename,
          const struct ip6t_ip6 *ip,
          void *matchinfo,
          unsigned int matchinfosize,
          unsigned int hook_mask)
{
       const struct ip6t_rt *rtinfo = matchinfo;

       if (matchinfosize != IP6T_ALIGN(sizeof(struct ip6t_rt))) {
              DEBUGP("ip6t_rt: matchsize %u != %u\n",
                      matchinfosize, IP6T_ALIGN(sizeof(struct ip6t_rt)));
              return 0;
       }
       if (rtinfo->invflags & ~IP6T_RT_INV_MASK) {
              DEBUGP("ip6t_rt: unknown flags %X\n",
                      rtinfo->invflags);
              return 0;
       }
       if ( (rtinfo->flags & (IP6T_RT_RES|IP6T_RT_FST_MASK)) && 
		       (!(rtinfo->flags & IP6T_RT_TYP) || 
		       (rtinfo->rt_type != 0) || 
		       (rtinfo->invflags & IP6T_RT_INV_TYP)) ) {
	      DEBUGP("`--rt-type 0' required before `--rt-0-*'");
              return 0;
       }

       return 1;
}
Ejemplo n.º 2
0
static int ip6t_hl_checkentry(const char *tablename,
		const struct ip6t_entry *e,
		void *targinfo,
		unsigned int targinfosize,
		unsigned int hook_mask)
{
	struct ip6t_HL_info *info = targinfo;

	if (targinfosize != IP6T_ALIGN(sizeof(struct ip6t_HL_info))) {
		printk(KERN_WARNING "ip6t_HL: targinfosize %u != %Zu\n",
				targinfosize,
				IP6T_ALIGN(sizeof(struct ip6t_HL_info)));
		return 0;	
	}	

	if (strcmp(tablename, "mangle")) {
		printk(KERN_WARNING "ip6t_HL: can only be called from "
			"\"mangle\" table, not \"%s\"\n", tablename);
		return 0;
	}

	if (info->mode > IP6T_HL_MAXMODE) {
		printk(KERN_WARNING "ip6t_HL: invalid or unknown Mode %u\n", 
			info->mode);
		return 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 0;
	}
	
	return 1;
}
Ejemplo n.º 3
0
static int ip6t_log_checkentry(const char *tablename,
			       const struct ip6t_entry *e,
			       void *targinfo,
			       unsigned int targinfosize,
			       unsigned int hook_mask)
{
	const struct ip6t_log_info *loginfo = targinfo;

	if (targinfosize != IP6T_ALIGN(sizeof(struct ip6t_log_info))) {
		DEBUGP("LOG: targinfosize %u != %u\n",
		       targinfosize, IP6T_ALIGN(sizeof(struct ip6t_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 int
checkentry(const char *tablename,
	   const void *ip,
	   void *matchinfo,
	   unsigned int matchsize,
	   unsigned int hook_mask)
{
	const struct ip6t_owner_info *info = matchinfo;

	if (hook_mask
	    & ~((1 << NF_IP6_LOCAL_OUT) | (1 << NF_IP6_POST_ROUTING))) {
		printk("ip6t_owner: only valid for LOCAL_OUT or POST_ROUTING.\n");
		return 0;
	}

	if (matchsize != IP6T_ALIGN(sizeof(struct ip6t_owner_info)))
		return 0;

	if (info->match & (IP6T_OWNER_PID | IP6T_OWNER_SID)) {
		printk("ipt_owner: pid and sid matching "
		       "not supported anymore\n");
		return 0;
	}

	return 1;
}
Ejemplo n.º 5
0
static int
checkentry(const char *tablename,
           const struct ip6t_ip6 *ip,
           void *matchinfo,
           unsigned int matchsize,
           unsigned int hook_mask)
{
        if (hook_mask
            & ~((1 << NF_IP6_LOCAL_OUT) | (1 << NF_IP6_POST_ROUTING))) {
                printk("ip6t_owner: only valid for LOCAL_OUT or POST_ROUTING.\n");
                return 0;
        }

	if (matchsize != IP6T_ALIGN(sizeof(struct ip6t_owner_info)))
		return 0;
#ifdef CONFIG_SMP
	/* files->file_lock can not be used in a BH */
	if (((struct ip6t_owner_info *)matchinfo)->match
	    & (IP6T_OWNER_PID|IP6T_OWNER_SID)) {
		printk("ip6t_owner: pid and sid matching is broken on SMP.\n");
		return 0;
	}
#endif
	return 1;
}
Ejemplo n.º 6
0
static int
checkentry(const char *tablename,
	   const struct ip6t_entry *e,
           void *targinfo,
           unsigned int targinfosize,
           unsigned int hook_mask)
{
	if (targinfosize != IP6T_ALIGN(sizeof(struct ipt_NFQ_info))) {
		printk(KERN_WARNING "NFQUEUE: targinfosize %u != %Zu\n",
		       targinfosize,
		       IP6T_ALIGN(sizeof(struct ipt_NFQ_info)));
		return 0;
	}

	return 1;
}
Ejemplo n.º 7
0
static int
ipt_limit_checkentry(const char *tablename,
		     const struct ip6t_ip6 *ip,
		     void *matchinfo,
		     unsigned int matchsize,
		     unsigned int hook_mask)
{
	struct ipt_rateinfo *r = matchinfo;

	if (matchsize != IP6T_ALIGN(sizeof(struct ipt_rateinfo)))
		return 0;

	/* Check for overflow. */
	if (r->burst == 0
	    || user2credits(r->avg * r->burst) < user2credits(r->avg)) {
		printk("Call rusty: overflow in ipt_limit: %u/%u\n",
		       r->avg, r->burst);
		return 0;
	}

	/* User avg in seconds * IPT_LIMIT_SCALE: convert to jiffies *
	   128. */
	r->prev = jiffies;
	r->credit = user2credits(r->avg * r->burst);	 /* Credits full. */
	r->credit_cap = user2credits(r->avg * r->burst); /* Credits full. */
	r->cost = user2credits(r->avg);

	/* For SMP, we only want to use one set of counters. */
	r->master = r;

	return 1;
}
Ejemplo n.º 8
0
static int imq_checkentry(const char *tablename,
                         const struct ip6t_entry *e,
                         void *targinfo,
                         unsigned int targinfosize,
                         unsigned int hook_mask)
{
       struct ip6t_imq_info *mr;

       if (targinfosize != IP6T_ALIGN(sizeof(struct ip6t_imq_info))) {
               printk(KERN_WARNING "IMQ: invalid targinfosize\n");
               return 0;
       }
       mr = (struct ip6t_imq_info*)targinfo;

       if (strcmp(tablename, "mangle") != 0) {
               printk(KERN_WARNING
                      "IMQ: IMQ can only be called from \"mangle\" table, not \"%s\"\n",
                      tablename);
               return 0;
       }

       if (mr->todev > IMQ_MAX_DEVS) {
               printk(KERN_WARNING
                      "IMQ: invalid device specified, highest is %u\n",
                      IMQ_MAX_DEVS);
               return 0;
       }

       return 1;
}
static int
ipv6header_checkentry(const char *tablename,
		      const struct ip6t_ip6 *ip,
		      void *matchinfo,
		      unsigned int matchsize,
		      unsigned int hook_mask)
{
	/* Check for obvious errors */
	/* This match is valid in all hooks! */
	if (matchsize != IP6T_ALIGN(sizeof(struct ip6t_ipv6header_info))) {
		DEBUGP("ip6t_ipv6header: matchsize != %u\n",
			 IP6T_ALIGN(sizeof(struct ip6t_ipv6header_info)));
		return 0;
	}

	return 1;
}
Ejemplo n.º 10
0
static int checkentry(const char *tablename, const struct ip6t_ip6 *ip,
		      void *matchinfo, unsigned int matchsize,
		      unsigned int hook_mask)
{
	if (matchsize != IP6T_ALIGN(sizeof(struct ip6t_hl_info)))
		return 0;

	return 1;
}
Ejemplo n.º 11
0
/* Called when user tries to insert an entry of this type. */
static int
checkentry(const char *tablename,
           const struct ip6t_ip6 *ip,
           void *matchinfo,
           unsigned int matchinfosize,
           unsigned int hook_mask)
{
    const struct ip6t_ah *ahinfo = matchinfo;

    if (matchinfosize != IP6T_ALIGN(sizeof(struct ip6t_ah))) {
        DEBUGP("ip6t_ah: matchsize %u != %u\n",
               matchinfosize, IP6T_ALIGN(sizeof(struct ip6t_ah)));
        return 0;
    }
    if (ahinfo->invflags & ~IP6T_AH_INV_MASK) {
        DEBUGP("ip6t_ah: unknown flags %X\n", ahinfo->invflags);
        return 0;
    }
    return 1;
}
Ejemplo n.º 12
0
static int
checkentry(const char *tablename,
	   const struct ip6t_entry *e,
           void *targinfo,
           unsigned int targinfosize,
           unsigned int hook_mask)
{
	if (targinfosize != IP6T_ALIGN(sizeof(struct ip6t_mark_target_info))) {
		printk(KERN_WARNING "MARK: targinfosize %u != %Zu\n",
		       targinfosize,
		       IP6T_ALIGN(sizeof(struct ip6t_mark_target_info)));
		return 0;
	}

	if (strcmp(tablename, "mangle") != 0) {
		printk(KERN_WARNING "MARK: can only be called from \"mangle\" table, not \"%s\"\n", tablename);
		return 0;
	}

	return 1;
}
Ejemplo n.º 13
0
static int
checkentry(const char *tablename,
		       const struct ip6t_ip6 *ip,
		       void *matchinfo,
		       unsigned int matchsize,
		       unsigned int hook_mask)
{
	const struct ip6t_physdev_info *info = matchinfo;

	if (matchsize != IP6T_ALIGN(sizeof(struct ip6t_physdev_info)))
		return 0;
	if (!(info->bitmask & IP6T_PHYSDEV_OP_MASK) ||
	    info->bitmask & ~IP6T_PHYSDEV_OP_MASK)
		return 0;
	return 1;
}
/* Called when user tries to insert an entry of this type. */
static int
checkentry(const char *tablename,
	   const struct ip6t_ip6 *ip,
	   void *matchinfo,
	   unsigned int matchsize,
	   unsigned int hook_mask)
{
	const struct ip6t_multiport *multiinfo = matchinfo;

	/* Must specify proto == TCP/UDP, no unknown flags or bad count */
	return (ip->proto == IPPROTO_TCP || ip->proto == IPPROTO_UDP)
		&& !(ip->flags & IP6T_INV_PROTO)
		&& matchsize == IP6T_ALIGN(sizeof(struct ip6t_multiport))
		&& (multiinfo->flags == IP6T_MULTIPORT_SOURCE
		    || multiinfo->flags == IP6T_MULTIPORT_DESTINATION
		    || multiinfo->flags == IP6T_MULTIPORT_EITHER)
		&& multiinfo->count <= IP6T_MULTI_PORTS;
}
Ejemplo n.º 15
0
static int
ipt_mac_checkentry(const char *tablename,
                   const struct ip6t_ip6 *ip,
                   void *matchinfo,
                   unsigned int matchsize,
                   unsigned int hook_mask)
{
    if (hook_mask
            & ~((1 << NF_IP6_PRE_ROUTING) | (1 << NF_IP6_LOCAL_IN))) {
        printk("ipt_mac: only valid for PRE_ROUTING or LOCAL_IN.\n");
        return 0;
    }

    if (matchsize != IP6T_ALIGN(sizeof(struct ip6t_mac_info)))
        return 0;

    return 1;
}
Ejemplo n.º 16
0
static unsigned char *
is_same(const STRUCT_ENTRY *a, const STRUCT_ENTRY *b,
	unsigned char *matchmask)
{
	unsigned int i;
	unsigned char *mptr;

	/* Always compare head structures: ignore mask here. */
	if (memcmp(&a->ipv6.src, &b->ipv6.src, sizeof(struct in6_addr))
	    || memcmp(&a->ipv6.dst, &b->ipv6.dst, sizeof(struct in6_addr))
	    || memcmp(&a->ipv6.smsk, &b->ipv6.smsk, sizeof(struct in6_addr))
	    || memcmp(&a->ipv6.dmsk, &b->ipv6.dmsk, sizeof(struct in6_addr))
	    || a->ipv6.proto != b->ipv6.proto
	    || a->ipv6.tos != b->ipv6.tos
	    || a->ipv6.flags != b->ipv6.flags
	    || a->ipv6.invflags != b->ipv6.invflags)
		return NULL;

	for (i = 0; i < IFNAMSIZ; i++) {
		if (a->ipv6.iniface_mask[i] != b->ipv6.iniface_mask[i])
			return NULL;
		if ((a->ipv6.iniface[i] & a->ipv6.iniface_mask[i])
		    != (b->ipv6.iniface[i] & b->ipv6.iniface_mask[i]))
			return NULL;
		if (a->ipv6.outiface_mask[i] != b->ipv6.outiface_mask[i])
			return NULL;
		if ((a->ipv6.outiface[i] & a->ipv6.outiface_mask[i])
		    != (b->ipv6.outiface[i] & b->ipv6.outiface_mask[i]))
			return NULL;
	}

	if (a->nfcache != b->nfcache
	    || a->target_offset != b->target_offset
	    || a->next_offset != b->next_offset)
		return NULL;

	mptr = matchmask + sizeof(STRUCT_ENTRY);
	if (IP6T_MATCH_ITERATE(a, match_different, a->elems, b->elems, &mptr))
		return NULL;
	mptr += IP6T_ALIGN(sizeof(struct ip6t_entry_target));

	return mptr;
}
static int
ip6t_eui64_checkentry(const char *tablename,
		      const void *ip,
		      void *matchinfo,
		      unsigned int matchsize,
		      unsigned int hook_mask)
{
	if (hook_mask
	    & ~((1 << NF_IP6_PRE_ROUTING) | (1 << NF_IP6_LOCAL_IN) |
		(1 << NF_IP6_FORWARD))) {
		printk("ip6t_eui64: only valid for PRE_ROUTING, LOCAL_IN or FORWARD.\n");
		return 0;
	}

	if (matchsize != IP6T_ALIGN(sizeof(int)))
		return 0;

	return 1;
}
Ejemplo n.º 18
0
            printf("! ");
        if (udpinfo->dpts[0]
                != udpinfo->dpts[1])
            printf("--dport %u:%u ",
                   udpinfo->dpts[0],
                   udpinfo->dpts[1]);
        else
            printf("--dport %u ",
                   udpinfo->dpts[0]);
    }
}

static struct ip6tables_match udp = {
    .name		= "udp",
    .version	= IPTABLES_VERSION,
    .size		= IP6T_ALIGN(sizeof(struct ip6t_udp)),
    .userspacesize	= IP6T_ALIGN(sizeof(struct ip6t_udp)),
    .help		= &help,
    .init		= &init,
    .parse		= &parse,
    .final_check	= &final_check,
    .print		= &print,
    .save		= &save,
    .extra_opts	= opts,
};

void
_init(void)
{
    register_match6(&udp);
}
Ejemplo n.º 19
0
static unsigned int 
route6_oif(const struct ip6t_route_target_info *route_info,
	   struct sk_buff *skb) 
{
	unsigned int ifindex = 0;
	struct net_device *dev_out = NULL;

	/* The user set the interface name to use.
	 * Getting the current interface index.
	 */
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,24)
	if ((dev_out = dev_get_by_name(&init_net, route_info->oif))) {
#else
	if ((dev_out = dev_get_by_name(route_info->oif))) {
#endif
		ifindex = dev_out->ifindex;
	} else {
		/* Unknown interface name : packet dropped */
		if (net_ratelimit()) 
			DEBUGP("ip6t_ROUTE: oif interface %s not found\n", route_info->oif);

		if (route_info->flags & IP6T_ROUTE_CONTINUE)
			return IP6T_CONTINUE;
		else
			return NF_DROP;
	}

	/* Trying the standard way of routing packets */
	if (route6(skb, ifindex, route_info)) {
		dev_put(dev_out);
		if (route_info->flags & IP6T_ROUTE_CONTINUE)
			return IP6T_CONTINUE;
		
		ip_direct_send(skb);
		return NF_STOLEN;
	} else 
		return NF_DROP;
}


static unsigned int 
route6_gw(const struct ip6t_route_target_info *route_info,
	  struct sk_buff *skb) 
{
	if (route6(skb, 0, route_info)) {
		if (route_info->flags & IP6T_ROUTE_CONTINUE)
			return IP6T_CONTINUE;

		ip_direct_send(skb);
		return NF_STOLEN;
	} else
		return NF_DROP;
}

static unsigned int
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0)
target(struct sk_buff **pskb,
       unsigned int hooknum,
       const struct net_device *in,
       const struct net_device *out,
       const void *targinfo,
       void *userinfo)
#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,17)
target(struct sk_buff **pskb,
       const struct net_device *in,
       const struct net_device *out,
       unsigned int hooknum,
       const void *targinfo,
       void *userinfo)
#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19)
target(struct sk_buff **pskb,
       const struct net_device *in,
       const struct net_device *out,
       unsigned int hooknum,
       const struct xt_target *target,
       const void *targinfo,
       void *userinfo)
#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,24)
target(struct sk_buff **pskb,
       const struct net_device *in,
       const struct net_device *out,
       unsigned int hooknum,
       const struct xt_target *target,
       const void *targinfo)
#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,28)
target(struct sk_buff *skb,
       const struct net_device *in,
       const struct net_device *out,
       unsigned int hooknum,
       const struct xt_target *target,
       const void *targinfo)
#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,36)
target(struct sk_buff *skb,
       const struct xt_target_param *par)
#else /* LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,36) */
target(struct sk_buff *skb,
       const struct xt_action_param *par)
#endif
{
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,28)
	const struct ip6t_route_target_info *route_info = targinfo;
#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,36)
	const struct ip6t_route_target_info *route_info = par->targinfo;
	unsigned int hooknum = par->hooknum;
#else
	const struct ip6t_route_target_info *route_info = par->targinfo;
	unsigned int hooknum = par->hooknum;
#endif
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,24)
	struct sk_buff *skb = *pskb;
#endif
	struct in6_addr *gw = (struct in6_addr*)&route_info->gw;
	unsigned int res;

	if (route_info->flags & IP6T_ROUTE_CONTINUE)
		goto do_it;

	/* If we are at PREROUTING or INPUT hook
	 * the TTL isn't decreased by the IP stack
	 */
	if (hooknum == NF_INET_PRE_ROUTING ||
	    hooknum == NF_INET_LOCAL_IN) {

		struct ipv6hdr *ipv6h = ipv6_hdr(skb);

		if (ipv6h->hop_limit <= 1) {
			/* Force OUTPUT device used as source address */
			skb->dev = skb_dst(skb)->dev;

			icmpv6_send(skb, ICMPV6_TIME_EXCEED, 
				    ICMPV6_EXC_HOPLIMIT, 0);

			return NF_DROP;
		}

		ipv6h->hop_limit--;
	}

	if ((route_info->flags & IP6T_ROUTE_TEE)) {
		/*
		 * Copy the skb, and route the copy. Will later return
		 * IP6T_CONTINUE for the original skb, which should continue
		 * on its way as if nothing happened. The copy should be
		 * independantly delivered to the ROUTE --gw.
		 */
		skb = skb_copy(skb, GFP_ATOMIC);
		if (!skb) {
			if (net_ratelimit()) 
				DEBUGP(KERN_DEBUG "ip6t_ROUTE: copy failed!\n");
			return IP6T_CONTINUE;
		}
	}

do_it:
	if (route_info->oif[0]) {
		res = route6_oif(route_info, skb);
	} else if (!ipv6_addr_any(gw)) {
		res = route6_gw(route_info, skb);
	} else {
		if (net_ratelimit()) 
			DEBUGP(KERN_DEBUG "ip6t_ROUTE: no parameter !\n");
		res = IP6T_CONTINUE;
	}

	if ((route_info->flags & IP6T_ROUTE_TEE))
		res = IP6T_CONTINUE;

	return res;
}


#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,16)
static int
checkentry(const char *tablename,
	   const struct ip6t_entry *e,
	   void *targinfo,
	   unsigned int targinfosize,
	   unsigned int hook_mask)
#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,17)
static int
checkentry(const char *tablename,
	   const void *e,
	   void *targinfo,
	   unsigned int targinfosize,
	   unsigned int hook_mask)
#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19)
static int
checkentry(const char *tablename,
	   const void *e,
	   const struct xt_target *target,
	   void *targinfo,
	   unsigned int targinfosize,
	   unsigned int hook_mask)
#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,23)
static int
checkentry(const char *tablename,
	   const void *e,
	   const struct xt_target *target,
	   void *targinfo,
	   unsigned int hook_mask)
#elif LINUX_VERSION_CODE < KERNEL_VERSION(2,6,28)
static bool
checkentry(const char *tablename,
	   const void *e,
	   const struct xt_target *target,
	   void *targinfo,
	   unsigned int hook_mask)
#else /* LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,28) */
static bool
checkentry(const struct xt_tgchk_param *par)
#endif
{
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,28)
	const char *tablename = par->table;
#endif

	if (strcmp(tablename, "mangle") != 0) {
		printk("ip6t_ROUTE: can only be called from \"mangle\" table.\n");
		return 0;
	}

#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,19)
	if (targinfosize != IP6T_ALIGN(sizeof(struct ip6t_route_target_info))) {
		printk(KERN_WARNING "ip6t_ROUTE: targinfosize %u != %Zu\n",
		       targinfosize,
		       IP6T_ALIGN(sizeof(struct ip6t_route_target_info)));
		return 0;
	}
#endif

	return 1;
}

#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,21)
static struct xt_target ip6t_route_reg = {
#else
static struct ip6t_target ip6t_route_reg = {
#endif
	.name		= "ROUTE",
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,21)
	.family		= AF_INET6,
#endif
	.target		= target,
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,17)
	.targetsize	= sizeof(struct ip6t_route_target_info),
#endif
	.checkentry	= checkentry,
	.me		= THIS_MODULE
};


static int __init init(void)
{
	printk(KERN_DEBUG "registering ipv6 ROUTE target\n");
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,21)
	if (xt_register_target(&ip6t_route_reg))
#else
	if (ip6t_register_target(&ip6t_route_reg))
#endif
		return -EINVAL;

	return 0;
}


static void __exit fini(void)
{
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,21)
	xt_unregister_target(&ip6t_route_reg);
#else
	ip6t_unregister_target(&ip6t_route_reg);
#endif
}

module_init(init);
module_exit(fini);
MODULE_LICENSE("GPL");
Ejemplo n.º 20
0
static void
save(const struct ip6t_ip6 *ip, const struct ip6t_entry_match *match)
{
	struct ipt_connmark_info *info = (struct ipt_connmark_info *)match->data;

	if (info->invert)
		printf("! ");

	printf("--mark ");
	print_mark(info->mark, info->mask, 0);
}

static struct ip6tables_match connmark_match = {
    .name          = "connmark",
    .version       = IPTABLES_VERSION,
    .size          = IP6T_ALIGN(sizeof(struct ipt_connmark_info)),
    .userspacesize = IP6T_ALIGN(sizeof(struct ipt_connmark_info)),
    .help          = &help,
    .init          = &init,
    .parse         = &parse,
    .final_check   = &final_check,
    .print         = &print,
    .save          = &save,
    .extra_opts    = opts
};

void _init(void)
{
	register_match6(&connmark_match);
}
Ejemplo n.º 21
0
static void
save(const struct ip6t_ip6 *ip,
		 const struct ip6t_entry_match *match)
{
	const struct condition6_info *info =
	    (const struct condition6_info *) match->data;

	printf("--condition %s\"%s\" ", (info->invert) ? "! " : "", info->name);
}


static struct ip6tables_match condition = {
	.name = "condition",
	.version = IPTABLES_VERSION,
	.size = IP6T_ALIGN(sizeof(struct condition6_info)),
	.userspacesize = IP6T_ALIGN(sizeof(struct condition6_info)),
	.help = &help,
	.parse = &parse,
	.final_check = &final_check,
	.print = &print,
	.save = &save,
	.extra_opts = opts
};


void
_init(void)
{
	register_match6(&condition);
}
Ejemplo n.º 22
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	}
	printf("%u ", info->hop_limit);
}

static struct option opts[] = {
	{ "hl-set", 1, 0, '1' },
	{ "hl-dec", 1, 0, '2' },
	{ "hl-inc", 1, 0, '3' },
	{ 0 }
};

static
struct ip6tables_target HL = { NULL, 
	.name 		= "HL",
	.version	= IPTABLES_VERSION,
	.size		= IP6T_ALIGN(sizeof(struct ip6t_HL_info)),
	.userspacesize	= IP6T_ALIGN(sizeof(struct ip6t_HL_info)),
	.help		= &help, 
	.init		= &init,
	.parse		= &parse,
	.final_check	= &final_check,
	.print		= &print,
	.save		= &save,
	.extra_opts	= opts 
};

void _init(void)
{
	register_target6(&HL);
}
Ejemplo n.º 23
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	print_state(sinfo->statemask);
}

/* Saves the matchinfo in parsable form to stdout. */
static void save(const struct ip6t_ip6 *ip, const struct ip6t_entry_match *match)
{
	struct ipt_state_info *sinfo = (struct ipt_state_info *)match->data;

	printf("--state ");
	print_state(sinfo->statemask);
}

static struct ip6tables_match state = { 
	.next		= NULL,
	.name		= "state",
	.version	= IPTABLES_VERSION,
	.size		= IP6T_ALIGN(sizeof(struct ipt_state_info)),
	.userspacesize	= IP6T_ALIGN(sizeof(struct ipt_state_info)),
	.help		= &help,
	.parse		= &parse,
	.final_check	= &final_check,
	.print		= &print,
	.save		= &save,
	.extra_opts	= opts
};

void _init(void)
{
	register_match6(&state);
}
Ejemplo n.º 24
0
	case IP6T_MULTIPORT_EITHER:
		printf("--ports ");
		break;
	}

	for (i=0; i < multiinfo->count; i++) {
		printf("%s", i ? "," : "");
		print_port(multiinfo->ports[i], ip->proto, 1);
	}
	printf(" ");
}

static struct ip6tables_match multiport = {
	.name		= "multiport",
	.version	= IPTABLES_VERSION,
	.size		= IP6T_ALIGN(sizeof(struct ip6t_multiport)),
	.userspacesize	= IP6T_ALIGN(sizeof(struct ip6t_multiport)),
	.help		= &help,
	.init		= &init,
	.parse		= &parse,
	.final_check	= &final_check,
	.print		= &print,
	.save		= &save,
	.extra_opts	= opts,
};

void
_init(void)
{
	register_match6(&multiport);
}
Ejemplo n.º 25
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    }

	if (loginfo->logflags & IP6T_LOG_TCPSEQ)
		printf("--log-tcp-sequence ");
	if (loginfo->logflags & IP6T_LOG_TCPOPT)
		printf("--log-tcp-options ");
	if (loginfo->logflags & IP6T_LOG_IPOPT)
		printf("--log-ip-options ");
}

static
struct ip6tables_target log
= { NULL,
    "LOG",
    IPTABLES_VERSION,
    IP6T_ALIGN(sizeof(struct ip6t_log_info)),
    IP6T_ALIGN(sizeof(struct ip6t_log_info)),
    &help,
    &init,
    &parse,
    &final_check,
    &print,
    &save,
    opts
};

void _init(void)
{
	register_target6(&log);
}
Ejemplo n.º 26
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}

static struct option opts[] = {
	{ "hl", 1, 0, '2' },
	{ "hl-eq", 1, 0, '2'},
	{ "hl-lt", 1, 0, '3'},
	{ "hl-gt", 1, 0, '4'},
	{ 0 }
};

static
struct ip6tables_match hl = {
	NULL,
	"hl",
	IPTABLES_VERSION,
	IP6T_ALIGN(sizeof(struct ip6t_hl_info)),
	IP6T_ALIGN(sizeof(struct ip6t_hl_info)),
	&help,
	&init,
	&parse,
	&final_check,
	&print,
	&save,
	opts
};


void _init(void) 
{
	register_match6(&hl);
}
Ejemplo n.º 27
0
print(const struct ip6t_ip6 *ip,
      const struct ip6t_entry_match *match,
      int numeric)
{
	printf("eui64 ");
}

/* Saves the union ip6t_matchinfo in parsable form to stdout. */
static void save(const struct ip6t_ip6 *ip, const struct ip6t_entry_match *match)
{

}

static struct ip6tables_match eui64 = {
	.name 		= "eui64",
	.version	= IPTABLES_VERSION,
	.size		= IP6T_ALIGN(sizeof(int)),
	.userspacesize	= IP6T_ALIGN(sizeof(int)),
	.help		= &help,
	.parse		= &parse,
	.final_check	= &final_check,
	.print		= &print,
	.save		= &save,
	.extra_opts	= opts,
};

void _init(void)
{
	register_match6(&eui64);
}
Ejemplo n.º 28
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	printf("burst %u ", r->burst);
}

static void save(const struct ip6t_ip6 *ip, const struct ip6t_entry_match *match)
{
	struct ip6t_rateinfo *r = (struct ip6t_rateinfo *)match->data;

	printf("--limit "); print_rate(r->avg);
	if (r->burst != IP6T_LIMIT_BURST)
		printf("--limit-burst %u ", r->burst);
}

static struct ip6tables_match limit = {
	.name 		= "limit",
	.version	= IPTABLES_VERSION,
	.size		= IP6T_ALIGN(sizeof(struct ip6t_rateinfo)),
	.userspacesize	= offsetof(struct ip6t_rateinfo, prev),
	.help		= &help,
	.init		= &init,
	.parse		= &parse,
	.final_check	= &final_check,
	.print		= &print,
	.save		= &save,
	.extra_opts	= opts,
};

void _init(void)
{
	register_match6(&limit);
}
Ejemplo n.º 29
0
/* Saves the union ipt_targinfo in parsable form to stdout. */
static void
save(const struct ip6t_ip6 *ip, const struct ip6t_entry_target *target)
{
	const struct ip6t_mark_target_info *markinfo =
		(const struct ip6t_mark_target_info *)target->data;

	printf("--set-mark ");
	print_mark(markinfo->mark);
}

static
struct ip6tables_target mark = {
	.name          = "MARK",
	.version       = IPTABLES_VERSION,
	.size          = IP6T_ALIGN(sizeof(struct ip6t_mark_target_info)),
	.userspacesize = IP6T_ALIGN(sizeof(struct ip6t_mark_target_info)),
	.help          = &help,
	.init          = &init,
	.parse         = &parse,
	.final_check   = &final_check,
	.print         = &print,
	.save          = &save,
	.extra_opts    = opts
};

void _init(void)
{
	register_target6(&mark);
}
Ejemplo n.º 30
0
			fraginfo->hdrlen);
	}

	if (fraginfo->flags & IP6T_FRAG_RES) printf("--fragres ");
	if (fraginfo->flags & IP6T_FRAG_FST) printf("--fragfirst ");
	if (fraginfo->flags & IP6T_FRAG_MF) printf("--fragmore ");
	if (fraginfo->flags & IP6T_FRAG_NMF) printf("--fraglast ");

}

static
struct ip6tables_match frag
= { NULL,
    "frag",
    IPTABLES_VERSION,
    IP6T_ALIGN(sizeof(struct ip6t_frag)),
    IP6T_ALIGN(sizeof(struct ip6t_frag)),
    &help,
    &init,
    &parse,
    &final_check,
    &print,
    &save,
    opts
};

void
_init(void)
{
	register_match6(&frag);
}