00001 #include <stdio.h> 00002 #include <stdlib.h> 00003 #include <string.h> 00004 #include <errno.h> 00005 00006 #include <libnetfilter_conntrack/libnetfilter_conntrack.h> 00007 00008 static int cb(enum nf_conntrack_msg_type type, 00009 struct nf_conntrack *ct, 00010 void *data) 00011 { 00012 char buf[1024]; 00013 00014 nfct_snprintf(buf, sizeof(buf), ct, NFCT_T_UNKNOWN, NFCT_O_DEFAULT, NFCT_OF_SHOW_LAYER3); 00015 printf("%s\n", buf); 00016 00017 return NFCT_CB_CONTINUE; 00018 } 00019 00020 int main(void) 00021 { 00022 int ret; 00023 u_int32_t family = AF_INET; 00024 struct nfct_handle *h; 00025 00026 h = nfct_open(CONNTRACK, 0); 00027 if (!h) { 00028 perror("nfct_open"); 00029 return -1; 00030 } 00031 00032 nfct_callback_register(h, NFCT_T_ALL, cb, NULL); 00033 ret = nfct_query(h, NFCT_Q_DUMP, &family); 00034 00035 printf("TEST: get conntrack "); 00036 if (ret == -1) 00037 printf("(%d)(%s)\n", ret, strerror(errno)); 00038 else 00039 printf("(OK)\n"); 00040 00041 nfct_close(h); 00042 00043 ret == -1 ? exit(EXIT_FAILURE) : exit(EXIT_SUCCESS); 00044 }