00001 #include <stdio.h> 00002 #include <stdlib.h> 00003 #include <string.h> 00004 #include <errno.h> 00005 #include <arpa/inet.h> 00006 00007 #include <libnetfilter_conntrack/libnetfilter_conntrack.h> 00008 #include <libnetfilter_conntrack/libnetfilter_conntrack_tcp.h> 00009 00010 int main(void) 00011 { 00012 int ret; 00013 struct nfct_handle *h; 00014 struct nf_conntrack *ct; 00015 00016 ct = nfct_new(); 00017 if (!ct) { 00018 perror("nfct_new"); 00019 return 0; 00020 } 00021 00022 nfct_set_attr_u8(ct, ATTR_L3PROTO, AF_INET); 00023 nfct_set_attr_u32(ct, ATTR_IPV4_SRC, inet_addr("1.1.1.1")); 00024 nfct_set_attr_u32(ct, ATTR_IPV4_DST, inet_addr("2.2.2.2")); 00025 00026 nfct_set_attr_u8(ct, ATTR_L4PROTO, IPPROTO_TCP); 00027 nfct_set_attr_u16(ct, ATTR_PORT_SRC, htons(20)); 00028 nfct_set_attr_u16(ct, ATTR_PORT_DST, htons(10)); 00029 00030 h = nfct_open(CONNTRACK, 0); 00031 if (!h) { 00032 perror("nfct_open"); 00033 return -1; 00034 } 00035 00036 ret = nfct_query(h, NFCT_Q_DESTROY, ct); 00037 00038 printf("TEST: delete conntrack "); 00039 if (ret == -1) 00040 printf("(%d)(%s)\n", ret, strerror(errno)); 00041 else 00042 printf("(OK)\n"); 00043 00044 nfct_close(h); 00045 00046 ret == -1 ? exit(EXIT_FAILURE) : exit(EXIT_SUCCESS); 00047 }