mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-11-19 16:14:13 +08:00
[NETFILTER] ip6tables: whitespace and indent cosmetic cleanup
Signed-off-by: Yasuyuki Kozakai <yasuyuki.kozakai@toshiba.co.jp> Signed-off-by: Harald Welte <laforge@netfilter.org> Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Yasuyuki Kozakai
David S. Miller
parent
e0069caede
commit
f0daaa654a
@ -36,19 +36,19 @@ MODULE_AUTHOR("Andras Kis-Szabo <kisza@sch.bme.hu>");
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#endif
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/*
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* (Type & 0xC0) >> 6
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* 0 -> ignorable
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* 1 -> must drop the packet
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* 2 -> send ICMP PARM PROB regardless and drop packet
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* 3 -> Send ICMP if not a multicast address and drop packet
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* (Type & 0xC0) >> 6
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* 0 -> ignorable
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* 1 -> must drop the packet
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* 2 -> send ICMP PARM PROB regardless and drop packet
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* 3 -> Send ICMP if not a multicast address and drop packet
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* (Type & 0x20) >> 5
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* 0 -> invariant
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* 1 -> can change the routing
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* 0 -> invariant
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* 1 -> can change the routing
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* (Type & 0x1F) Type
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* 0 -> Pad1 (only 1 byte!)
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* 1 -> PadN LENGTH info (total length = length + 2)
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* C0 | 2 -> JUMBO 4 x x x x ( xxxx > 64k )
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* 5 -> RTALERT 2 x x
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* 0 -> Pad1 (only 1 byte!)
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* 1 -> PadN LENGTH info (total length = length + 2)
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* C0 | 2 -> JUMBO 4 x x x x ( xxxx > 64k )
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* 5 -> RTALERT 2 x x
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*/
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static int
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@ -60,16 +60,16 @@ match(const struct sk_buff *skb,
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unsigned int protoff,
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int *hotdrop)
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{
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struct ipv6_opt_hdr _optsh, *oh;
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const struct ip6t_opts *optinfo = matchinfo;
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unsigned int temp;
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unsigned int ptr;
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unsigned int hdrlen = 0;
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unsigned int ret = 0;
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u8 _opttype, *tp = NULL;
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u8 _optlen, *lp = NULL;
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unsigned int optlen;
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struct ipv6_opt_hdr _optsh, *oh;
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const struct ip6t_opts *optinfo = matchinfo;
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unsigned int temp;
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unsigned int ptr;
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unsigned int hdrlen = 0;
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unsigned int ret = 0;
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u8 _opttype, *tp = NULL;
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u8 _optlen, *lp = NULL;
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unsigned int optlen;
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#if HOPBYHOP
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if (ipv6_find_hdr(skb, &ptr, NEXTHDR_HOP, NULL) < 0)
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#else
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@ -77,42 +77,41 @@ match(const struct sk_buff *skb,
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#endif
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return 0;
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oh = skb_header_pointer(skb, ptr, sizeof(_optsh), &_optsh);
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if (oh == NULL){
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*hotdrop = 1;
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return 0;
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}
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oh = skb_header_pointer(skb, ptr, sizeof(_optsh), &_optsh);
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if (oh == NULL) {
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*hotdrop = 1;
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return 0;
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}
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hdrlen = ipv6_optlen(oh);
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if (skb->len - ptr < hdrlen){
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/* Packet smaller than it's length field */
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return 0;
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}
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hdrlen = ipv6_optlen(oh);
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if (skb->len - ptr < hdrlen) {
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/* Packet smaller than it's length field */
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return 0;
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}
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DEBUGP("IPv6 OPTS LEN %u %u ", hdrlen, oh->hdrlen);
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DEBUGP("IPv6 OPTS LEN %u %u ", hdrlen, oh->hdrlen);
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DEBUGP("len %02X %04X %02X ",
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optinfo->hdrlen, hdrlen,
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(!(optinfo->flags & IP6T_OPTS_LEN) ||
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((optinfo->hdrlen == hdrlen) ^
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!!(optinfo->invflags & IP6T_OPTS_INV_LEN))));
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DEBUGP("len %02X %04X %02X ",
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optinfo->hdrlen, hdrlen,
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(!(optinfo->flags & IP6T_OPTS_LEN) ||
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((optinfo->hdrlen == hdrlen) ^
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!!(optinfo->invflags & IP6T_OPTS_INV_LEN))));
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ret = (oh != NULL)
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&&
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(!(optinfo->flags & IP6T_OPTS_LEN) ||
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((optinfo->hdrlen == hdrlen) ^
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!!(optinfo->invflags & IP6T_OPTS_INV_LEN)));
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ret = (oh != NULL) &&
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(!(optinfo->flags & IP6T_OPTS_LEN) ||
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((optinfo->hdrlen == hdrlen) ^
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!!(optinfo->invflags & IP6T_OPTS_INV_LEN)));
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ptr += 2;
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hdrlen -= 2;
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if ( !(optinfo->flags & IP6T_OPTS_OPTS) ){
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return ret;
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ptr += 2;
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hdrlen -= 2;
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if (!(optinfo->flags & IP6T_OPTS_OPTS)) {
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return ret;
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} else if (optinfo->flags & IP6T_OPTS_NSTRICT) {
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DEBUGP("Not strict - not implemented");
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} else {
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DEBUGP("Strict ");
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DEBUGP("#%d ",optinfo->optsnr);
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for(temp=0; temp<optinfo->optsnr; temp++){
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DEBUGP("#%d ", optinfo->optsnr);
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for (temp = 0; temp < optinfo->optsnr; temp++) {
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/* type field exists ? */
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if (hdrlen < 1)
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break;
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@ -122,10 +121,10 @@ match(const struct sk_buff *skb,
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break;
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/* Type check */
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if (*tp != (optinfo->opts[temp] & 0xFF00)>>8){
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if (*tp != (optinfo->opts[temp] & 0xFF00) >> 8) {
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DEBUGP("Tbad %02X %02X\n",
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*tp,
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(optinfo->opts[temp] & 0xFF00)>>8);
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(optinfo->opts[temp] & 0xFF00) >> 8);
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return 0;
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} else {
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DEBUGP("Tok ");
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@ -169,7 +168,8 @@ match(const struct sk_buff *skb,
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}
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if (temp == optinfo->optsnr)
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return ret;
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else return 0;
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else
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return 0;
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}
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return 0;
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@ -178,25 +178,24 @@ match(const struct sk_buff *skb,
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/* Called when user tries to insert an entry of this type. */
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static int
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checkentry(const char *tablename,
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const void *info,
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void *matchinfo,
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unsigned int matchinfosize,
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unsigned int hook_mask)
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const void *info,
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void *matchinfo,
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unsigned int matchinfosize,
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unsigned int hook_mask)
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{
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const struct ip6t_opts *optsinfo = matchinfo;
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const struct ip6t_opts *optsinfo = matchinfo;
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if (matchinfosize != IP6T_ALIGN(sizeof(struct ip6t_opts))) {
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DEBUGP("ip6t_opts: matchsize %u != %u\n",
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matchinfosize, IP6T_ALIGN(sizeof(struct ip6t_opts)));
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return 0;
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}
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if (optsinfo->invflags & ~IP6T_OPTS_INV_MASK) {
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DEBUGP("ip6t_opts: unknown flags %X\n",
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optsinfo->invflags);
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return 0;
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}
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if (matchinfosize != IP6T_ALIGN(sizeof(struct ip6t_opts))) {
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DEBUGP("ip6t_opts: matchsize %u != %u\n",
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matchinfosize, IP6T_ALIGN(sizeof(struct ip6t_opts)));
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return 0;
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}
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if (optsinfo->invflags & ~IP6T_OPTS_INV_MASK) {
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DEBUGP("ip6t_opts: unknown flags %X\n", optsinfo->invflags);
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return 0;
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}
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return 1;
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return 1;
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}
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static struct ip6t_match opts_match = {
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@ -212,12 +211,12 @@ static struct ip6t_match opts_match = {
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static int __init init(void)
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{
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return ip6t_register_match(&opts_match);
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return ip6t_register_match(&opts_match);
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}
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static void __exit cleanup(void)
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{
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ip6t_unregister_match(&opts_match);
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ip6t_unregister_match(&opts_match);
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}
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module_init(init);
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@ -27,45 +27,45 @@ match(const struct sk_buff *skb,
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unsigned int protoff,
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int *hotdrop)
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{
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unsigned char eui64[8];
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int i = 0;
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unsigned char eui64[8];
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int i=0;
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if (!(skb->mac.raw >= skb->head &&
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(skb->mac.raw + ETH_HLEN) <= skb->data) &&
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offset != 0) {
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*hotdrop = 1;
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return 0;
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}
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if ( !(skb->mac.raw >= skb->head
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&& (skb->mac.raw + ETH_HLEN) <= skb->data)
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&& offset != 0) {
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*hotdrop = 1;
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return 0;
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}
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memset(eui64, 0, sizeof(eui64));
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memset(eui64, 0, sizeof(eui64));
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if (eth_hdr(skb)->h_proto == ntohs(ETH_P_IPV6)) {
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if (skb->nh.ipv6h->version == 0x6) {
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memcpy(eui64, eth_hdr(skb)->h_source, 3);
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memcpy(eui64 + 5, eth_hdr(skb)->h_source + 3, 3);
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eui64[3]=0xff;
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eui64[4]=0xfe;
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eui64[0] |= 0x02;
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if (eth_hdr(skb)->h_proto == ntohs(ETH_P_IPV6)) {
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if (skb->nh.ipv6h->version == 0x6) {
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memcpy(eui64, eth_hdr(skb)->h_source, 3);
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memcpy(eui64 + 5, eth_hdr(skb)->h_source + 3, 3);
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eui64[3] = 0xff;
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eui64[4] = 0xfe;
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eui64[0] |= 0x02;
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i=0;
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while ((skb->nh.ipv6h->saddr.s6_addr[8+i] ==
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eui64[i]) && (i<8)) i++;
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i = 0;
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while ((skb->nh.ipv6h->saddr.s6_addr[8+i] == eui64[i])
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&& (i < 8))
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i++;
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if ( i == 8 )
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return 1;
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}
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}
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if (i == 8)
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return 1;
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}
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}
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return 0;
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return 0;
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}
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static int
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ip6t_eui64_checkentry(const char *tablename,
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const void *ip,
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void *matchinfo,
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unsigned int matchsize,
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unsigned int hook_mask)
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const void *ip,
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void *matchinfo,
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unsigned int matchsize,
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unsigned int hook_mask)
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{
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if (hook_mask
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& ~((1 << NF_IP6_PRE_ROUTING) | (1 << NF_IP6_LOCAL_IN) |
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@ -31,12 +31,12 @@ MODULE_AUTHOR("Andras Kis-Szabo <kisza@sch.bme.hu>");
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static inline int
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id_match(u_int32_t min, u_int32_t max, u_int32_t id, int invert)
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{
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int r=0;
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DEBUGP("frag id_match:%c 0x%x <= 0x%x <= 0x%x",invert? '!':' ',
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min,id,max);
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r=(id >= min && id <= max) ^ invert;
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DEBUGP(" result %s\n",r? "PASS" : "FAILED");
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return r;
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int r = 0;
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DEBUGP("frag id_match:%c 0x%x <= 0x%x <= 0x%x", invert ? '!' : ' ',
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min, id, max);
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r = (id >= min && id <= max) ^ invert;
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DEBUGP(" result %s\n", r ? "PASS" : "FAILED");
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return r;
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}
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static int
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@ -48,92 +48,91 @@ match(const struct sk_buff *skb,
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unsigned int protoff,
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int *hotdrop)
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{
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struct frag_hdr _frag, *fh;
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const struct ip6t_frag *fraginfo = matchinfo;
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unsigned int ptr;
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struct frag_hdr _frag, *fh;
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const struct ip6t_frag *fraginfo = matchinfo;
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unsigned int ptr;
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if (ipv6_find_hdr(skb, &ptr, NEXTHDR_FRAGMENT, NULL) < 0)
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return 0;
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fh = skb_header_pointer(skb, ptr, sizeof(_frag), &_frag);
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if (fh == NULL){
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if (fh == NULL) {
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*hotdrop = 1;
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return 0;
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}
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DEBUGP("INFO %04X ", fh->frag_off);
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DEBUGP("OFFSET %04X ", ntohs(fh->frag_off) & ~0x7);
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DEBUGP("RES %02X %04X", fh->reserved, ntohs(fh->frag_off) & 0x6);
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DEBUGP("MF %04X ", fh->frag_off & htons(IP6_MF));
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DEBUGP("ID %u %08X\n", ntohl(fh->identification),
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ntohl(fh->identification));
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DEBUGP("INFO %04X ", fh->frag_off);
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DEBUGP("OFFSET %04X ", ntohs(fh->frag_off) & ~0x7);
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DEBUGP("RES %02X %04X", fh->reserved, ntohs(fh->frag_off) & 0x6);
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DEBUGP("MF %04X ", fh->frag_off & htons(IP6_MF));
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DEBUGP("ID %u %08X\n", ntohl(fh->identification),
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ntohl(fh->identification));
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DEBUGP("IPv6 FRAG id %02X ",
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(id_match(fraginfo->ids[0], fraginfo->ids[1],
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ntohl(fh->identification),
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!!(fraginfo->invflags & IP6T_FRAG_INV_IDS))));
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DEBUGP("res %02X %02X%04X %02X ",
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(fraginfo->flags & IP6T_FRAG_RES), fh->reserved,
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ntohs(fh->frag_off) & 0x6,
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!((fraginfo->flags & IP6T_FRAG_RES)
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&& (fh->reserved || (ntohs(fh->frag_off) & 0x06))));
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DEBUGP("first %02X %02X %02X ",
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(fraginfo->flags & IP6T_FRAG_FST),
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ntohs(fh->frag_off) & ~0x7,
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!((fraginfo->flags & IP6T_FRAG_FST)
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&& (ntohs(fh->frag_off) & ~0x7)));
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DEBUGP("mf %02X %02X %02X ",
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(fraginfo->flags & IP6T_FRAG_MF),
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ntohs(fh->frag_off) & IP6_MF,
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!((fraginfo->flags & IP6T_FRAG_MF)
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&& !((ntohs(fh->frag_off) & IP6_MF))));
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DEBUGP("last %02X %02X %02X\n",
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(fraginfo->flags & IP6T_FRAG_NMF),
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ntohs(fh->frag_off) & IP6_MF,
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!((fraginfo->flags & IP6T_FRAG_NMF)
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&& (ntohs(fh->frag_off) & IP6_MF)));
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DEBUGP("IPv6 FRAG id %02X ",
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(id_match(fraginfo->ids[0], fraginfo->ids[1],
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ntohl(fh->identification),
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!!(fraginfo->invflags & IP6T_FRAG_INV_IDS))));
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DEBUGP("res %02X %02X%04X %02X ",
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(fraginfo->flags & IP6T_FRAG_RES), fh->reserved,
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ntohs(fh->frag_off) & 0x6,
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!((fraginfo->flags & IP6T_FRAG_RES)
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&& (fh->reserved || (ntohs(fh->frag_off) & 0x06))));
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DEBUGP("first %02X %02X %02X ",
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(fraginfo->flags & IP6T_FRAG_FST),
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ntohs(fh->frag_off) & ~0x7,
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!((fraginfo->flags & IP6T_FRAG_FST)
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&& (ntohs(fh->frag_off) & ~0x7)));
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DEBUGP("mf %02X %02X %02X ",
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(fraginfo->flags & IP6T_FRAG_MF),
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ntohs(fh->frag_off) & IP6_MF,
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!((fraginfo->flags & IP6T_FRAG_MF)
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&& !((ntohs(fh->frag_off) & IP6_MF))));
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DEBUGP("last %02X %02X %02X\n",
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(fraginfo->flags & IP6T_FRAG_NMF),
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ntohs(fh->frag_off) & IP6_MF,
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!((fraginfo->flags & IP6T_FRAG_NMF)
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&& (ntohs(fh->frag_off) & IP6_MF)));
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return (fh != NULL)
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&&
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(id_match(fraginfo->ids[0], fraginfo->ids[1],
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ntohl(fh->identification),
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!!(fraginfo->invflags & IP6T_FRAG_INV_IDS)))
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&&
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!((fraginfo->flags & IP6T_FRAG_RES)
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&& (fh->reserved || (ntohs(fh->frag_off) & 0x6)))
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&&
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!((fraginfo->flags & IP6T_FRAG_FST)
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&& (ntohs(fh->frag_off) & ~0x7))
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&&
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!((fraginfo->flags & IP6T_FRAG_MF)
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&& !(ntohs(fh->frag_off) & IP6_MF))
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&&
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!((fraginfo->flags & IP6T_FRAG_NMF)
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&& (ntohs(fh->frag_off) & IP6_MF));
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return (fh != NULL)
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&&
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(id_match(fraginfo->ids[0], fraginfo->ids[1],
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ntohl(fh->identification),
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!!(fraginfo->invflags & IP6T_FRAG_INV_IDS)))
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&&
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!((fraginfo->flags & IP6T_FRAG_RES)
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&& (fh->reserved || (ntohs(fh->frag_off) & 0x6)))
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&&
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!((fraginfo->flags & IP6T_FRAG_FST)
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&& (ntohs(fh->frag_off) & ~0x7))
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&&
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!((fraginfo->flags & IP6T_FRAG_MF)
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&& !(ntohs(fh->frag_off) & IP6_MF))
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&&
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!((fraginfo->flags & IP6T_FRAG_NMF)
|
||||
&& (ntohs(fh->frag_off) & IP6_MF));
|
||||
}
|
||||
|
||||
/* Called when user tries to insert an entry of this type. */
|
||||
static int
|
||||
checkentry(const char *tablename,
|
||||
const void *ip,
|
||||
void *matchinfo,
|
||||
unsigned int matchinfosize,
|
||||
unsigned int hook_mask)
|
||||
const void *ip,
|
||||
void *matchinfo,
|
||||
unsigned int matchinfosize,
|
||||
unsigned int hook_mask)
|
||||
{
|
||||
const struct ip6t_frag *fraginfo = matchinfo;
|
||||
const struct ip6t_frag *fraginfo = matchinfo;
|
||||
|
||||
if (matchinfosize != IP6T_ALIGN(sizeof(struct ip6t_frag))) {
|
||||
DEBUGP("ip6t_frag: matchsize %u != %u\n",
|
||||
matchinfosize, IP6T_ALIGN(sizeof(struct ip6t_frag)));
|
||||
return 0;
|
||||
}
|
||||
if (fraginfo->invflags & ~IP6T_FRAG_INV_MASK) {
|
||||
DEBUGP("ip6t_frag: unknown flags %X\n",
|
||||
fraginfo->invflags);
|
||||
return 0;
|
||||
}
|
||||
if (matchinfosize != IP6T_ALIGN(sizeof(struct ip6t_frag))) {
|
||||
DEBUGP("ip6t_frag: matchsize %u != %u\n",
|
||||
matchinfosize, IP6T_ALIGN(sizeof(struct ip6t_frag)));
|
||||
return 0;
|
||||
}
|
||||
if (fraginfo->invflags & ~IP6T_FRAG_INV_MASK) {
|
||||
DEBUGP("ip6t_frag: unknown flags %X\n", fraginfo->invflags);
|
||||
return 0;
|
||||
}
|
||||
|
||||
return 1;
|
||||
return 1;
|
||||
}
|
||||
|
||||
static struct ip6t_match frag_match = {
|
||||
@ -145,12 +144,12 @@ static struct ip6t_match frag_match = {
|
||||
|
||||
static int __init init(void)
|
||||
{
|
||||
return ip6t_register_match(&frag_match);
|
||||
return ip6t_register_match(&frag_match);
|
||||
}
|
||||
|
||||
static void __exit cleanup(void)
|
||||
{
|
||||
ip6t_unregister_match(&frag_match);
|
||||
ip6t_unregister_match(&frag_match);
|
||||
}
|
||||
|
||||
module_init(init);
|
||||
|
||||
@ -36,19 +36,19 @@ MODULE_AUTHOR("Andras Kis-Szabo <kisza@sch.bme.hu>");
|
||||
#endif
|
||||
|
||||
/*
|
||||
* (Type & 0xC0) >> 6
|
||||
* 0 -> ignorable
|
||||
* 1 -> must drop the packet
|
||||
* 2 -> send ICMP PARM PROB regardless and drop packet
|
||||
* 3 -> Send ICMP if not a multicast address and drop packet
|
||||
* (Type & 0xC0) >> 6
|
||||
* 0 -> ignorable
|
||||
* 1 -> must drop the packet
|
||||
* 2 -> send ICMP PARM PROB regardless and drop packet
|
||||
* 3 -> Send ICMP if not a multicast address and drop packet
|
||||
* (Type & 0x20) >> 5
|
||||
* 0 -> invariant
|
||||
* 1 -> can change the routing
|
||||
* 0 -> invariant
|
||||
* 1 -> can change the routing
|
||||
* (Type & 0x1F) Type
|
||||
* 0 -> Pad1 (only 1 byte!)
|
||||
* 1 -> PadN LENGTH info (total length = length + 2)
|
||||
* C0 | 2 -> JUMBO 4 x x x x ( xxxx > 64k )
|
||||
* 5 -> RTALERT 2 x x
|
||||
* 0 -> Pad1 (only 1 byte!)
|
||||
* 1 -> PadN LENGTH info (total length = length + 2)
|
||||
* C0 | 2 -> JUMBO 4 x x x x ( xxxx > 64k )
|
||||
* 5 -> RTALERT 2 x x
|
||||
*/
|
||||
|
||||
static int
|
||||
@ -60,16 +60,16 @@ match(const struct sk_buff *skb,
|
||||
unsigned int protoff,
|
||||
int *hotdrop)
|
||||
{
|
||||
struct ipv6_opt_hdr _optsh, *oh;
|
||||
const struct ip6t_opts *optinfo = matchinfo;
|
||||
unsigned int temp;
|
||||
unsigned int ptr;
|
||||
unsigned int hdrlen = 0;
|
||||
unsigned int ret = 0;
|
||||
u8 _opttype, *tp = NULL;
|
||||
u8 _optlen, *lp = NULL;
|
||||
unsigned int optlen;
|
||||
|
||||
struct ipv6_opt_hdr _optsh, *oh;
|
||||
const struct ip6t_opts *optinfo = matchinfo;
|
||||
unsigned int temp;
|
||||
unsigned int ptr;
|
||||
unsigned int hdrlen = 0;
|
||||
unsigned int ret = 0;
|
||||
u8 _opttype, *tp = NULL;
|
||||
u8 _optlen, *lp = NULL;
|
||||
unsigned int optlen;
|
||||
|
||||
#if HOPBYHOP
|
||||
if (ipv6_find_hdr(skb, &ptr, NEXTHDR_HOP, NULL) < 0)
|
||||
#else
|
||||
@ -77,42 +77,41 @@ match(const struct sk_buff *skb,
|
||||
#endif
|
||||
return 0;
|
||||
|
||||
oh = skb_header_pointer(skb, ptr, sizeof(_optsh), &_optsh);
|
||||
if (oh == NULL){
|
||||
*hotdrop = 1;
|
||||
return 0;
|
||||
}
|
||||
oh = skb_header_pointer(skb, ptr, sizeof(_optsh), &_optsh);
|
||||
if (oh == NULL) {
|
||||
*hotdrop = 1;
|
||||
return 0;
|
||||
}
|
||||
|
||||
hdrlen = ipv6_optlen(oh);
|
||||
if (skb->len - ptr < hdrlen){
|
||||
/* Packet smaller than it's length field */
|
||||
return 0;
|
||||
}
|
||||
hdrlen = ipv6_optlen(oh);
|
||||
if (skb->len - ptr < hdrlen) {
|
||||
/* Packet smaller than it's length field */
|
||||
return 0;
|
||||
}
|
||||
|
||||
DEBUGP("IPv6 OPTS LEN %u %u ", hdrlen, oh->hdrlen);
|
||||
DEBUGP("IPv6 OPTS LEN %u %u ", hdrlen, oh->hdrlen);
|
||||
|
||||
DEBUGP("len %02X %04X %02X ",
|
||||
optinfo->hdrlen, hdrlen,
|
||||
(!(optinfo->flags & IP6T_OPTS_LEN) ||
|
||||
((optinfo->hdrlen == hdrlen) ^
|
||||
!!(optinfo->invflags & IP6T_OPTS_INV_LEN))));
|
||||
DEBUGP("len %02X %04X %02X ",
|
||||
optinfo->hdrlen, hdrlen,
|
||||
(!(optinfo->flags & IP6T_OPTS_LEN) ||
|
||||
((optinfo->hdrlen == hdrlen) ^
|
||||
!!(optinfo->invflags & IP6T_OPTS_INV_LEN))));
|
||||
|
||||
ret = (oh != NULL)
|
||||
&&
|
||||
(!(optinfo->flags & IP6T_OPTS_LEN) ||
|
||||
((optinfo->hdrlen == hdrlen) ^
|
||||
!!(optinfo->invflags & IP6T_OPTS_INV_LEN)));
|
||||
ret = (oh != NULL) &&
|
||||
(!(optinfo->flags & IP6T_OPTS_LEN) ||
|
||||
((optinfo->hdrlen == hdrlen) ^
|
||||
!!(optinfo->invflags & IP6T_OPTS_INV_LEN)));
|
||||
|
||||
ptr += 2;
|
||||
hdrlen -= 2;
|
||||
if ( !(optinfo->flags & IP6T_OPTS_OPTS) ){
|
||||
return ret;
|
||||
ptr += 2;
|
||||
hdrlen -= 2;
|
||||
if (!(optinfo->flags & IP6T_OPTS_OPTS)) {
|
||||
return ret;
|
||||
} else if (optinfo->flags & IP6T_OPTS_NSTRICT) {
|
||||
DEBUGP("Not strict - not implemented");
|
||||
} else {
|
||||
DEBUGP("Strict ");
|
||||
DEBUGP("#%d ",optinfo->optsnr);
|
||||
for(temp=0; temp<optinfo->optsnr; temp++){
|
||||
DEBUGP("#%d ", optinfo->optsnr);
|
||||
for (temp = 0; temp < optinfo->optsnr; temp++) {
|
||||
/* type field exists ? */
|
||||
if (hdrlen < 1)
|
||||
break;
|
||||
@ -122,10 +121,10 @@ match(const struct sk_buff *skb,
|
||||
break;
|
||||
|
||||
/* Type check */
|
||||
if (*tp != (optinfo->opts[temp] & 0xFF00)>>8){
|
||||
if (*tp != (optinfo->opts[temp] & 0xFF00) >> 8) {
|
||||
DEBUGP("Tbad %02X %02X\n",
|
||||
*tp,
|
||||
(optinfo->opts[temp] & 0xFF00)>>8);
|
||||
(optinfo->opts[temp] & 0xFF00) >> 8);
|
||||
return 0;
|
||||
} else {
|
||||
DEBUGP("Tok ");
|
||||
@ -169,7 +168,8 @@ match(const struct sk_buff *skb,
|
||||
}
|
||||
if (temp == optinfo->optsnr)
|
||||
return ret;
|
||||
else return 0;
|
||||
else
|
||||
return 0;
|
||||
}
|
||||
|
||||
return 0;
|
||||
@ -178,25 +178,24 @@ match(const struct sk_buff *skb,
|
||||
/* Called when user tries to insert an entry of this type. */
|
||||
static int
|
||||
checkentry(const char *tablename,
|
||||
const void *entry,
|
||||
void *matchinfo,
|
||||
unsigned int matchinfosize,
|
||||
unsigned int hook_mask)
|
||||
const void *entry,
|
||||
void *matchinfo,
|
||||
unsigned int matchinfosize,
|
||||
unsigned int hook_mask)
|
||||
{
|
||||
const struct ip6t_opts *optsinfo = matchinfo;
|
||||
const struct ip6t_opts *optsinfo = matchinfo;
|
||||
|
||||
if (matchinfosize != IP6T_ALIGN(sizeof(struct ip6t_opts))) {
|
||||
DEBUGP("ip6t_opts: matchsize %u != %u\n",
|
||||
matchinfosize, IP6T_ALIGN(sizeof(struct ip6t_opts)));
|
||||
return 0;
|
||||
}
|
||||
if (optsinfo->invflags & ~IP6T_OPTS_INV_MASK) {
|
||||
DEBUGP("ip6t_opts: unknown flags %X\n",
|
||||
optsinfo->invflags);
|
||||
return 0;
|
||||
}
|
||||
if (matchinfosize != IP6T_ALIGN(sizeof(struct ip6t_opts))) {
|
||||
DEBUGP("ip6t_opts: matchsize %u != %u\n",
|
||||
matchinfosize, IP6T_ALIGN(sizeof(struct ip6t_opts)));
|
||||
return 0;
|
||||
}
|
||||
if (optsinfo->invflags & ~IP6T_OPTS_INV_MASK) {
|
||||
DEBUGP("ip6t_opts: unknown flags %X\n", optsinfo->invflags);
|
||||
return 0;
|
||||
}
|
||||
|
||||
return 1;
|
||||
return 1;
|
||||
}
|
||||
|
||||
static struct ip6t_match opts_match = {
|
||||
@ -212,12 +211,12 @@ static struct ip6t_match opts_match = {
|
||||
|
||||
static int __init init(void)
|
||||
{
|
||||
return ip6t_register_match(&opts_match);
|
||||
return ip6t_register_match(&opts_match);
|
||||
}
|
||||
|
||||
static void __exit cleanup(void)
|
||||
{
|
||||
ip6t_unregister_match(&opts_match);
|
||||
ip6t_unregister_match(&opts_match);
|
||||
}
|
||||
|
||||
module_init(init);
|
||||
|
||||
@ -50,20 +50,20 @@ ipv6header_match(const struct sk_buff *skb,
|
||||
len = skb->len - ptr;
|
||||
temp = 0;
|
||||
|
||||
while (ip6t_ext_hdr(nexthdr)) {
|
||||
while (ip6t_ext_hdr(nexthdr)) {
|
||||
struct ipv6_opt_hdr _hdr, *hp;
|
||||
int hdrlen;
|
||||
int hdrlen;
|
||||
|
||||
/* Is there enough space for the next ext header? */
|
||||
if (len < (int)sizeof(struct ipv6_opt_hdr))
|
||||
return 0;
|
||||
if (len < (int)sizeof(struct ipv6_opt_hdr))
|
||||
return 0;
|
||||
/* No more exthdr -> evaluate */
|
||||
if (nexthdr == NEXTHDR_NONE) {
|
||||
if (nexthdr == NEXTHDR_NONE) {
|
||||
temp |= MASK_NONE;
|
||||
break;
|
||||
}
|
||||
/* ESP -> evaluate */
|
||||
if (nexthdr == NEXTHDR_ESP) {
|
||||
if (nexthdr == NEXTHDR_ESP) {
|
||||
temp |= MASK_ESP;
|
||||
break;
|
||||
}
|
||||
@ -72,43 +72,43 @@ ipv6header_match(const struct sk_buff *skb,
|
||||
BUG_ON(hp == NULL);
|
||||
|
||||
/* Calculate the header length */
|
||||
if (nexthdr == NEXTHDR_FRAGMENT) {
|
||||
hdrlen = 8;
|
||||
} else if (nexthdr == NEXTHDR_AUTH)
|
||||
hdrlen = (hp->hdrlen+2)<<2;
|
||||
else
|
||||
hdrlen = ipv6_optlen(hp);
|
||||
if (nexthdr == NEXTHDR_FRAGMENT) {
|
||||
hdrlen = 8;
|
||||
} else if (nexthdr == NEXTHDR_AUTH)
|
||||
hdrlen = (hp->hdrlen + 2) << 2;
|
||||
else
|
||||
hdrlen = ipv6_optlen(hp);
|
||||
|
||||
/* set the flag */
|
||||
switch (nexthdr){
|
||||
case NEXTHDR_HOP:
|
||||
temp |= MASK_HOPOPTS;
|
||||
break;
|
||||
case NEXTHDR_ROUTING:
|
||||
temp |= MASK_ROUTING;
|
||||
break;
|
||||
case NEXTHDR_FRAGMENT:
|
||||
temp |= MASK_FRAGMENT;
|
||||
break;
|
||||
case NEXTHDR_AUTH:
|
||||
temp |= MASK_AH;
|
||||
break;
|
||||
case NEXTHDR_DEST:
|
||||
temp |= MASK_DSTOPTS;
|
||||
break;
|
||||
default:
|
||||
return 0;
|
||||
break;
|
||||
switch (nexthdr) {
|
||||
case NEXTHDR_HOP:
|
||||
temp |= MASK_HOPOPTS;
|
||||
break;
|
||||
case NEXTHDR_ROUTING:
|
||||
temp |= MASK_ROUTING;
|
||||
break;
|
||||
case NEXTHDR_FRAGMENT:
|
||||
temp |= MASK_FRAGMENT;
|
||||
break;
|
||||
case NEXTHDR_AUTH:
|
||||
temp |= MASK_AH;
|
||||
break;
|
||||
case NEXTHDR_DEST:
|
||||
temp |= MASK_DSTOPTS;
|
||||
break;
|
||||
default:
|
||||
return 0;
|
||||
break;
|
||||
}
|
||||
|
||||
nexthdr = hp->nexthdr;
|
||||
len -= hdrlen;
|
||||
ptr += hdrlen;
|
||||
nexthdr = hp->nexthdr;
|
||||
len -= hdrlen;
|
||||
ptr += hdrlen;
|
||||
if (ptr > skb->len)
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
if ( (nexthdr != NEXTHDR_NONE ) && (nexthdr != NEXTHDR_ESP) )
|
||||
if ((nexthdr != NEXTHDR_NONE) && (nexthdr != NEXTHDR_ESP))
|
||||
temp |= MASK_PROTO;
|
||||
|
||||
if (info->modeflag)
|
||||
@ -137,8 +137,8 @@ ipv6header_checkentry(const char *tablename,
|
||||
return 0;
|
||||
|
||||
/* invflags is 0 or 0xff in hard mode */
|
||||
if ((!info->modeflag) && info->invflags != 0x00
|
||||
&& info->invflags != 0xFF)
|
||||
if ((!info->modeflag) && info->invflags != 0x00 &&
|
||||
info->invflags != 0xFF)
|
||||
return 0;
|
||||
|
||||
return 1;
|
||||
@ -152,7 +152,7 @@ static struct ip6t_match ip6t_ipv6header_match = {
|
||||
.me = THIS_MODULE,
|
||||
};
|
||||
|
||||
static int __init ipv6header_init(void)
|
||||
static int __init ipv6header_init(void)
|
||||
{
|
||||
return ip6t_register_match(&ip6t_ipv6header_match);
|
||||
}
|
||||
@ -164,4 +164,3 @@ static void __exit ipv6header_exit(void)
|
||||
|
||||
module_init(ipv6header_init);
|
||||
module_exit(ipv6header_exit);
|
||||
|
||||
|
||||
@ -36,14 +36,14 @@ match(const struct sk_buff *skb,
|
||||
if (!skb->sk || !skb->sk->sk_socket || !skb->sk->sk_socket->file)
|
||||
return 0;
|
||||
|
||||
if(info->match & IP6T_OWNER_UID) {
|
||||
if((skb->sk->sk_socket->file->f_uid != info->uid) ^
|
||||
if (info->match & IP6T_OWNER_UID) {
|
||||
if ((skb->sk->sk_socket->file->f_uid != info->uid) ^
|
||||
!!(info->invert & IP6T_OWNER_UID))
|
||||
return 0;
|
||||
}
|
||||
|
||||
if(info->match & IP6T_OWNER_GID) {
|
||||
if((skb->sk->sk_socket->file->f_gid != info->gid) ^
|
||||
if (info->match & IP6T_OWNER_GID) {
|
||||
if ((skb->sk->sk_socket->file->f_gid != info->gid) ^
|
||||
!!(info->invert & IP6T_OWNER_GID))
|
||||
return 0;
|
||||
}
|
||||
@ -53,23 +53,23 @@ match(const struct sk_buff *skb,
|
||||
|
||||
static int
|
||||
checkentry(const char *tablename,
|
||||
const void *ip,
|
||||
void *matchinfo,
|
||||
unsigned int matchsize,
|
||||
unsigned int hook_mask)
|
||||
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 (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)) {
|
||||
if (info->match & (IP6T_OWNER_PID | IP6T_OWNER_SID)) {
|
||||
printk("ipt_owner: pid and sid matching "
|
||||
"not supported anymore\n");
|
||||
return 0;
|
||||
|
||||
@ -33,12 +33,12 @@ MODULE_AUTHOR("Andras Kis-Szabo <kisza@sch.bme.hu>");
|
||||
static inline int
|
||||
segsleft_match(u_int32_t min, u_int32_t max, u_int32_t id, int invert)
|
||||
{
|
||||
int r=0;
|
||||
DEBUGP("rt segsleft_match:%c 0x%x <= 0x%x <= 0x%x",invert? '!':' ',
|
||||
min,id,max);
|
||||
r=(id >= min && id <= max) ^ invert;
|
||||
DEBUGP(" result %s\n",r? "PASS" : "FAILED");
|
||||
return r;
|
||||
int r = 0;
|
||||
DEBUGP("rt segsleft_match:%c 0x%x <= 0x%x <= 0x%x",
|
||||
invert ? '!' : ' ', min, id, max);
|
||||
r = (id >= min && id <= max) ^ invert;
|
||||
DEBUGP(" result %s\n", r ? "PASS" : "FAILED");
|
||||
return r;
|
||||
}
|
||||
|
||||
static int
|
||||
@ -50,87 +50,93 @@ match(const struct sk_buff *skb,
|
||||
unsigned int protoff,
|
||||
int *hotdrop)
|
||||
{
|
||||
struct ipv6_rt_hdr _route, *rh;
|
||||
const struct ip6t_rt *rtinfo = matchinfo;
|
||||
unsigned int temp;
|
||||
unsigned int ptr;
|
||||
unsigned int hdrlen = 0;
|
||||
unsigned int ret = 0;
|
||||
struct in6_addr *ap, _addr;
|
||||
struct ipv6_rt_hdr _route, *rh;
|
||||
const struct ip6t_rt *rtinfo = matchinfo;
|
||||
unsigned int temp;
|
||||
unsigned int ptr;
|
||||
unsigned int hdrlen = 0;
|
||||
unsigned int ret = 0;
|
||||
struct in6_addr *ap, _addr;
|
||||
|
||||
if (ipv6_find_hdr(skb, &ptr, NEXTHDR_ROUTING, NULL) < 0)
|
||||
return 0;
|
||||
|
||||
rh = skb_header_pointer(skb, ptr, sizeof(_route), &_route);
|
||||
if (rh == NULL){
|
||||
*hotdrop = 1;
|
||||
return 0;
|
||||
}
|
||||
rh = skb_header_pointer(skb, ptr, sizeof(_route), &_route);
|
||||
if (rh == NULL) {
|
||||
*hotdrop = 1;
|
||||
return 0;
|
||||
}
|
||||
|
||||
hdrlen = ipv6_optlen(rh);
|
||||
if (skb->len - ptr < hdrlen){
|
||||
/* Pcket smaller than its length field */
|
||||
return 0;
|
||||
}
|
||||
hdrlen = ipv6_optlen(rh);
|
||||
if (skb->len - ptr < hdrlen) {
|
||||
/* Pcket smaller than its length field */
|
||||
return 0;
|
||||
}
|
||||
|
||||
DEBUGP("IPv6 RT LEN %u %u ", hdrlen, rh->hdrlen);
|
||||
DEBUGP("TYPE %04X ", rh->type);
|
||||
DEBUGP("SGS_LEFT %u %02X\n", rh->segments_left, rh->segments_left);
|
||||
DEBUGP("IPv6 RT LEN %u %u ", hdrlen, rh->hdrlen);
|
||||
DEBUGP("TYPE %04X ", rh->type);
|
||||
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))));
|
||||
DEBUGP("type %02X %02X %02X ",
|
||||
rtinfo->rt_type, rh->type,
|
||||
(!(rtinfo->flags & IP6T_RT_TYP) ||
|
||||
((rtinfo->rt_type == rh->type) ^
|
||||
!!(rtinfo->invflags & IP6T_RT_INV_TYP))));
|
||||
DEBUGP("len %02X %04X %02X ",
|
||||
rtinfo->hdrlen, hdrlen,
|
||||
(!(rtinfo->flags & IP6T_RT_LEN) ||
|
||||
((rtinfo->hdrlen == hdrlen) ^
|
||||
!!(rtinfo->invflags & IP6T_RT_INV_LEN))));
|
||||
DEBUGP("res %02X %02X %02X ",
|
||||
(rtinfo->flags & IP6T_RT_RES), ((struct rt0_hdr *)rh)->reserved,
|
||||
!((rtinfo->flags & IP6T_RT_RES) && (((struct rt0_hdr *)rh)->reserved)));
|
||||
DEBUGP("IPv6 RT segsleft %02X ",
|
||||
(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->rt_type == rh->type) ^
|
||||
!!(rtinfo->invflags & IP6T_RT_INV_TYP))));
|
||||
DEBUGP("len %02X %04X %02X ",
|
||||
rtinfo->hdrlen, hdrlen,
|
||||
(!(rtinfo->flags & IP6T_RT_LEN) ||
|
||||
((rtinfo->hdrlen == hdrlen) ^
|
||||
!!(rtinfo->invflags & IP6T_RT_INV_LEN))));
|
||||
DEBUGP("res %02X %02X %02X ",
|
||||
(rtinfo->flags & IP6T_RT_RES),
|
||||
((struct rt0_hdr *)rh)->reserved,
|
||||
!((rtinfo->flags & IP6T_RT_RES) &&
|
||||
(((struct rt0_hdr *)rh)->reserved)));
|
||||
|
||||
ret = (rh != NULL)
|
||||
&&
|
||||
(segsleft_match(rtinfo->segsleft[0], rtinfo->segsleft[1],
|
||||
rh->segments_left,
|
||||
!!(rtinfo->invflags & IP6T_RT_INV_SGS)))
|
||||
&&
|
||||
(!(rtinfo->flags & IP6T_RT_LEN) ||
|
||||
((rtinfo->hdrlen == hdrlen) ^
|
||||
!!(rtinfo->invflags & IP6T_RT_INV_LEN)))
|
||||
&&
|
||||
(!(rtinfo->flags & IP6T_RT_TYP) ||
|
||||
((rtinfo->rt_type == rh->type) ^
|
||||
!!(rtinfo->invflags & IP6T_RT_INV_TYP)));
|
||||
ret = (rh != NULL)
|
||||
&&
|
||||
(segsleft_match(rtinfo->segsleft[0], rtinfo->segsleft[1],
|
||||
rh->segments_left,
|
||||
!!(rtinfo->invflags & IP6T_RT_INV_SGS)))
|
||||
&&
|
||||
(!(rtinfo->flags & IP6T_RT_LEN) ||
|
||||
((rtinfo->hdrlen == hdrlen) ^
|
||||
!!(rtinfo->invflags & IP6T_RT_INV_LEN)))
|
||||
&&
|
||||
(!(rtinfo->flags & IP6T_RT_TYP) ||
|
||||
((rtinfo->rt_type == rh->type) ^
|
||||
!!(rtinfo->invflags & IP6T_RT_INV_TYP)));
|
||||
|
||||
if (ret && (rtinfo->flags & IP6T_RT_RES)) {
|
||||
u_int32_t *rp, _reserved;
|
||||
rp = skb_header_pointer(skb,
|
||||
ptr + offsetof(struct rt0_hdr, reserved),
|
||||
sizeof(_reserved), &_reserved);
|
||||
ptr + offsetof(struct rt0_hdr,
|
||||
reserved),
|
||||
sizeof(_reserved),
|
||||
&_reserved);
|
||||
|
||||
ret = (*rp == 0);
|
||||
}
|
||||
|
||||
DEBUGP("#%d ",rtinfo->addrnr);
|
||||
if ( !(rtinfo->flags & IP6T_RT_FST) ){
|
||||
return ret;
|
||||
DEBUGP("#%d ", rtinfo->addrnr);
|
||||
if (!(rtinfo->flags & IP6T_RT_FST)) {
|
||||
return ret;
|
||||
} else if (rtinfo->flags & IP6T_RT_FST_NSTRICT) {
|
||||
DEBUGP("Not strict ");
|
||||
if ( rtinfo->addrnr > (unsigned int)((hdrlen-8)/16) ){
|
||||
if (rtinfo->addrnr > (unsigned int)((hdrlen - 8) / 16)) {
|
||||
DEBUGP("There isn't enough space\n");
|
||||
return 0;
|
||||
} else {
|
||||
unsigned int i = 0;
|
||||
|
||||
DEBUGP("#%d ",rtinfo->addrnr);
|
||||
for(temp=0; temp<(unsigned int)((hdrlen-8)/16); temp++){
|
||||
DEBUGP("#%d ", rtinfo->addrnr);
|
||||
for (temp = 0;
|
||||
temp < (unsigned int)((hdrlen - 8) / 16);
|
||||
temp++) {
|
||||
ap = skb_header_pointer(skb,
|
||||
ptr
|
||||
+ sizeof(struct rt0_hdr)
|
||||
@ -141,24 +147,26 @@ match(const struct sk_buff *skb,
|
||||
BUG_ON(ap == NULL);
|
||||
|
||||
if (ipv6_addr_equal(ap, &rtinfo->addrs[i])) {
|
||||
DEBUGP("i=%d temp=%d;\n",i,temp);
|
||||
DEBUGP("i=%d temp=%d;\n", i, temp);
|
||||
i++;
|
||||
}
|
||||
if (i==rtinfo->addrnr) break;
|
||||
if (i == rtinfo->addrnr)
|
||||
break;
|
||||
}
|
||||
DEBUGP("i=%d #%d\n", i, rtinfo->addrnr);
|
||||
if (i == rtinfo->addrnr)
|
||||
return ret;
|
||||
else return 0;
|
||||
else
|
||||
return 0;
|
||||
}
|
||||
} else {
|
||||
DEBUGP("Strict ");
|
||||
if ( rtinfo->addrnr > (unsigned int)((hdrlen-8)/16) ){
|
||||
if (rtinfo->addrnr > (unsigned int)((hdrlen - 8) / 16)) {
|
||||
DEBUGP("There isn't enough space\n");
|
||||
return 0;
|
||||
} else {
|
||||
DEBUGP("#%d ",rtinfo->addrnr);
|
||||
for(temp=0; temp<rtinfo->addrnr; temp++){
|
||||
DEBUGP("#%d ", rtinfo->addrnr);
|
||||
for (temp = 0; temp < rtinfo->addrnr; temp++) {
|
||||
ap = skb_header_pointer(skb,
|
||||
ptr
|
||||
+ sizeof(struct rt0_hdr)
|
||||
@ -171,9 +179,11 @@ match(const struct sk_buff *skb,
|
||||
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 0;
|
||||
else
|
||||
return 0;
|
||||
}
|
||||
}
|
||||
|
||||
@ -183,32 +193,31 @@ match(const struct sk_buff *skb,
|
||||
/* Called when user tries to insert an entry of this type. */
|
||||
static int
|
||||
checkentry(const char *tablename,
|
||||
const void *entry,
|
||||
void *matchinfo,
|
||||
unsigned int matchinfosize,
|
||||
unsigned int hook_mask)
|
||||
const void *entry,
|
||||
void *matchinfo,
|
||||
unsigned int matchinfosize,
|
||||
unsigned int hook_mask)
|
||||
{
|
||||
const struct ip6t_rt *rtinfo = matchinfo;
|
||||
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;
|
||||
}
|
||||
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;
|
||||
return 1;
|
||||
}
|
||||
|
||||
static struct ip6t_match rt_match = {
|
||||
@ -220,12 +229,12 @@ static struct ip6t_match rt_match = {
|
||||
|
||||
static int __init init(void)
|
||||
{
|
||||
return ip6t_register_match(&rt_match);
|
||||
return ip6t_register_match(&rt_match);
|
||||
}
|
||||
|
||||
static void __exit cleanup(void)
|
||||
{
|
||||
ip6t_unregister_match(&rt_match);
|
||||
ip6t_unregister_match(&rt_match);
|
||||
}
|
||||
|
||||
module_init(init);
|
||||
|
||||
Loading…
Reference in New Issue
Block a user