libnetfilter_conntrack  1.0.6
expect_dump.c
1 #include <stdio.h>
2 #include <stdlib.h>
3 #include <string.h>
4 #include <errno.h>
5 
6 #include <libnetfilter_conntrack/libnetfilter_conntrack.h>
7 
8 static int cb(enum nf_conntrack_msg_type type,
9  struct nf_expect *exp,
10  void *data)
11 {
12  char buf[1024];
13 
14  nfexp_snprintf(buf, 1024, exp, NFCT_T_UNKNOWN, NFCT_O_DEFAULT, 0);
15  printf("%s\n", buf);
16 
17  return NFCT_CB_CONTINUE;
18 }
19 
20 int main(void)
21 {
22  int ret;
23  uint8_t family = AF_INET;
24  struct nfct_handle *h;
25 
26  h = nfct_open(EXPECT, 0);
27  if (!h) {
28  perror("nfct_open");
29  return -1;
30  }
31 
32  nfexp_callback_register(h, NFCT_T_ALL, cb, NULL);
33  ret = nfexp_query(h, NFCT_Q_DUMP, &family);
34 
35  printf("TEST: dumo expectation ");
36  if (ret == -1)
37  printf("(%d)(%s)\n", ret, strerror(errno));
38  else
39  printf("(OK)\n");
40 
41  nfct_close(h);
42 
43  ret == -1 ? exit(EXIT_FAILURE) : exit(EXIT_SUCCESS);
44 }
int nfct_close(struct nfct_handle *cth)
Definition: main.c:105
int nfexp_query(struct nfct_handle *h, const enum nf_conntrack_query qt, const void *data)
Definition: expect/api.c:668
int nfexp_snprintf(char *buf, unsigned int size, const struct nf_expect *exp, const unsigned int msg_type, const unsigned int out_type, const unsigned int out_flags)
Definition: expect/api.c:774
int nfexp_callback_register(struct nfct_handle *h, enum nf_conntrack_msg_type type, int(*cb)(enum nf_conntrack_msg_type type, struct nf_expect *exp, void *data), void *data)
Definition: expect/api.c:157
struct nfct_handle * nfct_open(uint8_t, unsigned)
Definition: main.c:84