| #ifndef _XT_TCPUDP_H |
| #define _XT_TCPUDP_H |
| |
| /* TCP matching stuff */ |
| struct xt_tcp |
| { |
| u_int16_t spts[2]; /* Source port range. */ |
| u_int16_t dpts[2]; /* Destination port range. */ |
| u_int8_t option; /* TCP Option iff non-zero*/ |
| u_int8_t flg_mask; /* TCP flags mask byte */ |
| u_int8_t flg_cmp; /* TCP flags compare byte */ |
| u_int8_t invflags; /* Inverse flags */ |
| }; |
| |
| /* Values for "inv" field in struct ipt_tcp. */ |
| #define XT_TCP_INV_SRCPT 0x01 /* Invert the sense of source ports. */ |
| #define XT_TCP_INV_DSTPT 0x02 /* Invert the sense of dest ports. */ |
| #define XT_TCP_INV_FLAGS 0x04 /* Invert the sense of TCP flags. */ |
| #define XT_TCP_INV_OPTION 0x08 /* Invert the sense of option test. */ |
| #define XT_TCP_INV_MASK 0x0F /* All possible flags. */ |
| |
| /* UDP matching stuff */ |
| struct xt_udp |
| { |
| u_int16_t spts[2]; /* Source port range. */ |
| u_int16_t dpts[2]; /* Destination port range. */ |
| u_int8_t invflags; /* Inverse flags */ |
| }; |
| |
| /* Values for "invflags" field in struct ipt_udp. */ |
| #define XT_UDP_INV_SRCPT 0x01 /* Invert the sense of source ports. */ |
| #define XT_UDP_INV_DSTPT 0x02 /* Invert the sense of dest ports. */ |
| #define XT_UDP_INV_MASK 0x03 /* All possible flags. */ |
| |
| |
| #endif |
