diff options
Diffstat (limited to 'utils/conntrack_create.c')
-rw-r--r-- | utils/conntrack_create.c | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/utils/conntrack_create.c b/utils/conntrack_create.c new file mode 100644 index 0000000..3c41d22 --- /dev/null +++ b/utils/conntrack_create.c @@ -0,0 +1,53 @@ +#include <stdio.h> +#include <stdlib.h> +#include <errno.h> + +#include <libnetfilter_conntrack/libnetfilter_conntrack.h> +#include <libnetfilter_conntrack/libnetfilter_conntrack_tcp.h> + +int main() +{ + int ret; + struct nfct_handle *h; + struct nf_conntrack *ct; + + ct = nfct_new(); + if (!ct) { + perror("nfct_new"); + return 0; + } + + nfct_set_attr_u8(ct, ATTR_ORIG_L3PROTO, AF_INET); + nfct_set_attr_u32(ct, ATTR_ORIG_IPV4_SRC, inet_addr("1.1.1.1")); + nfct_set_attr_u32(ct, ATTR_ORIG_IPV4_DST, inet_addr("2.2.2.2")); + + nfct_set_attr_u8(ct, ATTR_ORIG_L4PROTO, IPPROTO_TCP); + nfct_set_attr_u16(ct, ATTR_ORIG_PORT_SRC, htons(20)); + nfct_set_attr_u16(ct, ATTR_ORIG_PORT_DST, htons(10)); + + nfct_set_attr_u8(ct, ATTR_REPL_L3PROTO, AF_INET); + nfct_set_attr_u32(ct, ATTR_REPL_IPV4_SRC, inet_addr("2.2.2.2")); + nfct_set_attr_u32(ct, ATTR_REPL_IPV4_DST, inet_addr("1.1.1.1")); + + nfct_set_attr_u8(ct, ATTR_REPL_L4PROTO, IPPROTO_TCP); + nfct_set_attr_u16(ct, ATTR_REPL_PORT_SRC, htons(10)); + nfct_set_attr_u16(ct, ATTR_REPL_PORT_DST, htons(20)); + + nfct_set_attr_u8(ct, ATTR_TCP_STATE, TCP_CONNTRACK_LISTEN); + nfct_set_attr_u32(ct, ATTR_TIMEOUT, 100); + + h = nfct_open(CONNTRACK, 0); + if (!h) { + perror("nfct_open"); + return -1; + } + + ret = nfct_query(h, NFCT_Q_CREATE, ct); + + printf("TEST: create conntrack (%d)(%s)\n", ret, strerror(errno)); + + if (ret == -1) + exit(EXIT_FAILURE); + + nfct_close(h); +} |