diff options
Diffstat (limited to 'net/netfilter/xt_tcpudp.c')
-rw-r--r-- | net/netfilter/xt_tcpudp.c | 79 |
1 files changed, 32 insertions, 47 deletions
diff --git a/net/netfilter/xt_tcpudp.c b/net/netfilter/xt_tcpudp.c index 223f9bded67..4fa3b669f69 100644 --- a/net/netfilter/xt_tcpudp.c +++ b/net/netfilter/xt_tcpudp.c @@ -10,7 +10,7 @@ #include <linux/netfilter_ipv4/ip_tables.h> #include <linux/netfilter_ipv6/ip6_tables.h> -MODULE_DESCRIPTION("x_tables match for TCP and UDP(-Lite), supports IPv4 and IPv6"); +MODULE_DESCRIPTION("Xtables: TCP, UDP and UDP-Lite match"); MODULE_LICENSE("GPL"); MODULE_ALIAS("xt_tcp"); MODULE_ALIAS("xt_udp"); @@ -68,14 +68,9 @@ tcp_find_option(u_int8_t option, } static bool -tcp_match(const struct sk_buff *skb, - const struct net_device *in, - const struct net_device *out, - const struct xt_match *match, - const void *matchinfo, - int offset, - unsigned int protoff, - bool *hotdrop) +tcp_mt(const struct sk_buff *skb, const struct net_device *in, + const struct net_device *out, const struct xt_match *match, + const void *matchinfo, int offset, unsigned int protoff, bool *hotdrop) { struct tcphdr _tcph, *th; const struct xt_tcp *tcpinfo = matchinfo; @@ -134,11 +129,9 @@ tcp_match(const struct sk_buff *skb, /* Called when user tries to insert an entry of this type. */ static bool -tcp_checkentry(const char *tablename, - const void *info, - const struct xt_match *match, - void *matchinfo, - unsigned int hook_mask) +tcp_mt_check(const char *tablename, const void *info, + const struct xt_match *match, void *matchinfo, + unsigned int hook_mask) { const struct xt_tcp *tcpinfo = matchinfo; @@ -147,14 +140,9 @@ tcp_checkentry(const char *tablename, } static bool -udp_match(const struct sk_buff *skb, - const struct net_device *in, - const struct net_device *out, - const struct xt_match *match, - const void *matchinfo, - int offset, - unsigned int protoff, - bool *hotdrop) +udp_mt(const struct sk_buff *skb, const struct net_device *in, + const struct net_device *out, const struct xt_match *match, + const void *matchinfo, int offset, unsigned int protoff, bool *hotdrop) { struct udphdr _udph, *uh; const struct xt_udp *udpinfo = matchinfo; @@ -182,11 +170,9 @@ udp_match(const struct sk_buff *skb, /* Called when user tries to insert an entry of this type. */ static bool -udp_checkentry(const char *tablename, - const void *info, - const struct xt_match *match, - void *matchinfo, - unsigned int hook_mask) +udp_mt_check(const char *tablename, const void *info, + const struct xt_match *match, void *matchinfo, + unsigned int hook_mask) { const struct xt_udp *udpinfo = matchinfo; @@ -194,12 +180,12 @@ udp_checkentry(const char *tablename, return !(udpinfo->invflags & ~XT_UDP_INV_MASK); } -static struct xt_match xt_tcpudp_match[] __read_mostly = { +static struct xt_match tcpudp_mt_reg[] __read_mostly = { { .name = "tcp", .family = AF_INET, - .checkentry = tcp_checkentry, - .match = tcp_match, + .checkentry = tcp_mt_check, + .match = tcp_mt, .matchsize = sizeof(struct xt_tcp), .proto = IPPROTO_TCP, .me = THIS_MODULE, @@ -207,8 +193,8 @@ static struct xt_match xt_tcpudp_match[] __read_mostly = { { .name = "tcp", .family = AF_INET6, - .checkentry = tcp_checkentry, - .match = tcp_match, + .checkentry = tcp_mt_check, + .match = tcp_mt, .matchsize = sizeof(struct xt_tcp), .proto = IPPROTO_TCP, .me = THIS_MODULE, @@ -216,8 +202,8 @@ static struct xt_match xt_tcpudp_match[] __read_mostly = { { .name = "udp", .family = AF_INET, - .checkentry = udp_checkentry, - .match = udp_match, + .checkentry = udp_mt_check, + .match = udp_mt, .matchsize = sizeof(struct xt_udp), .proto = IPPROTO_UDP, .me = THIS_MODULE, @@ -225,8 +211,8 @@ static struct xt_match xt_tcpudp_match[] __read_mostly = { { .name = "udp", .family = AF_INET6, - .checkentry = udp_checkentry, - .match = udp_match, + .checkentry = udp_mt_check, + .match = udp_mt, .matchsize = sizeof(struct xt_udp), .proto = IPPROTO_UDP, .me = THIS_MODULE, @@ -234,8 +220,8 @@ static struct xt_match xt_tcpudp_match[] __read_mostly = { { .name = "udplite", .family = AF_INET, - .checkentry = udp_checkentry, - .match = udp_match, + .checkentry = udp_mt_check, + .match = udp_mt, .matchsize = sizeof(struct xt_udp), .proto = IPPROTO_UDPLITE, .me = THIS_MODULE, @@ -243,24 +229,23 @@ static struct xt_match xt_tcpudp_match[] __read_mostly = { { .name = "udplite", .family = AF_INET6, - .checkentry = udp_checkentry, - .match = udp_match, + .checkentry = udp_mt_check, + .match = udp_mt, .matchsize = sizeof(struct xt_udp), .proto = IPPROTO_UDPLITE, .me = THIS_MODULE, }, }; -static int __init xt_tcpudp_init(void) +static int __init tcpudp_mt_init(void) { - return xt_register_matches(xt_tcpudp_match, - ARRAY_SIZE(xt_tcpudp_match)); + return xt_register_matches(tcpudp_mt_reg, ARRAY_SIZE(tcpudp_mt_reg)); } -static void __exit xt_tcpudp_fini(void) +static void __exit tcpudp_mt_exit(void) { - xt_unregister_matches(xt_tcpudp_match, ARRAY_SIZE(xt_tcpudp_match)); + xt_unregister_matches(tcpudp_mt_reg, ARRAY_SIZE(tcpudp_mt_reg)); } -module_init(xt_tcpudp_init); -module_exit(xt_tcpudp_fini); +module_init(tcpudp_mt_init); +module_exit(tcpudp_mt_exit); |