| #include <stdio.h> |
| #include <stdlib.h> |
| #include <string.h> |
| #include <errno.h> |
| #include <arpa/inet.h> |
| |
| #include <libnetfilter_conntrack/libnetfilter_conntrack.h> |
| |
| static int cb(enum nf_conntrack_msg_type type, |
| struct nf_expect *exp, |
| void *data) |
| { |
| char buf[1024]; |
| |
| nfexp_snprintf(buf, 1024, exp, NFCT_T_UNKNOWN, NFCT_O_DEFAULT, 0); |
| printf("%s\n", buf); |
| |
| return NFCT_CB_CONTINUE; |
| } |
| |
| int main(void) |
| { |
| int ret; |
| struct nfct_handle *h; |
| struct nf_conntrack *master; |
| struct nf_expect *exp; |
| |
| master = nfct_new(); |
| if (!master) { |
| perror("nfct_new"); |
| exit(EXIT_FAILURE); |
| } |
| |
| nfct_set_attr_u8(master, ATTR_L3PROTO, AF_INET); |
| nfct_set_attr_u32(master, ATTR_IPV4_SRC, inet_addr("1.1.1.1")); |
| nfct_set_attr_u32(master, ATTR_IPV4_DST, inet_addr("2.2.2.2")); |
| |
| nfct_set_attr_u8(master, ATTR_L4PROTO, IPPROTO_TCP); |
| nfct_set_attr_u16(master, ATTR_PORT_SRC, htons(10240)); |
| nfct_set_attr_u16(master, ATTR_PORT_DST, htons(10241)); |
| |
| exp = nfexp_new(); |
| if (!exp) { |
| perror("nfexp_new"); |
| nfct_destroy(master); |
| exit(EXIT_FAILURE); |
| } |
| |
| nfexp_set_attr(exp, ATTR_EXP_MASTER, master); |
| |
| h = nfct_open(EXPECT, 0); |
| if (!h) { |
| perror("nfct_open"); |
| nfct_destroy(master); |
| return -1; |
| } |
| |
| nfexp_callback_register(h, NFCT_T_ALL, cb, NULL); |
| ret = nfexp_query(h, NFCT_Q_GET, exp); |
| |
| printf("TEST: get expectation "); |
| if (ret == -1) |
| printf("(%d)(%s)\n", ret, strerror(errno)); |
| else |
| printf("(OK)\n"); |
| |
| nfct_close(h); |
| |
| nfct_destroy(master); |
| |
| ret == -1 ? exit(EXIT_FAILURE) : exit(EXIT_SUCCESS); |
| } |