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 event_cb(enum nf_conntrack_msg_type type, 00009 struct nf_expect *exp, 00010 void *data) 00011 { 00012 static int n = 0; 00013 char buf[1024]; 00014 00015 nfexp_snprintf(buf, 1024, exp, type, NFCT_O_DEFAULT, 0); 00016 printf("%s\n", buf); 00017 00018 if (++n == 10) 00019 return NFCT_CB_STOP; 00020 00021 return NFCT_CB_CONTINUE; 00022 } 00023 00024 int main(void) 00025 { 00026 int ret; 00027 struct nfct_handle *h; 00028 00029 h = nfct_open(EXPECT, NF_NETLINK_CONNTRACK_EXP_NEW | 00030 NF_NETLINK_CONNTRACK_EXP_UPDATE | 00031 NF_NETLINK_CONNTRACK_EXP_DESTROY); 00032 if (!h) { 00033 perror("nfct_open"); 00034 return -1; 00035 } 00036 00037 nfexp_callback_register(h, NFCT_T_ALL, event_cb, NULL); 00038 00039 printf("TEST: waiting for 10 expectation events...\n"); 00040 00041 ret = nfexp_catch(h); 00042 00043 printf("TEST: expectation events "); 00044 if (ret == -1) 00045 printf("(%d)(%s)\n", ret, strerror(errno)); 00046 else 00047 printf("(OK)\n"); 00048 00049 nfct_close(h); 00050 00051 ret == -1 ? exit(EXIT_FAILURE) : exit(EXIT_SUCCESS); 00052 }