14 #include <netlink/cli/utils.h> 15 #include <netlink/cli/link.h> 16 #include <netlink/netfilter/nfnl.h> 17 #include <netlink/netfilter/log.h> 19 #include <linux/netfilter/nfnetlink_log.h> 20 #include <linux/netlink.h> 22 static struct nfnl_log *alloc_log(
void)
26 log = nfnl_log_alloc();
33 static void obj_input(
struct nl_object *obj,
void *arg)
44 static int event_input(
struct nl_msg *msg,
void *arg)
46 if (nl_msg_parse(msg, &obj_input, NULL) < 0)
47 fprintf(stderr,
"<<EVENT>> Unknown message type\n");
53 int main(
int argc,
char *argv[])
55 struct nl_sock *nf_sock;
56 struct nl_sock *rt_sock;
63 nf_sock = nl_cli_alloc_socket();
67 if ((argc > 1 && !strcasecmp(argv[1],
"-h")) || argc < 3) {
68 printf(
"Usage: nf-log family group [ copy_mode ] " 73 nl_cli_connect(nf_sock, NETLINK_NETFILTER);
75 family = nl_str2af(argv[1]);
76 if (family == AF_UNSPEC)
78 argv[1], nl_geterror(family));
80 nfnl_log_pf_unbind(nf_sock, family);
81 if ((err = nfnl_log_pf_bind(nf_sock, family)) < 0)
86 nfnl_log_set_group(log, atoi(argv[2]));
88 copy_mode = NFNL_LOG_COPY_META;
90 copy_mode = nfnl_log_str2copy_mode(argv[3]);
93 "Unable to parse copy mode \"%s\": %s",
94 argv[3], nl_geterror(copy_mode));
96 nfnl_log_set_copy_mode(log, copy_mode);
100 copy_range = atoi(argv[4]);
101 nfnl_log_set_copy_range(log, copy_range);
103 if ((err = nfnl_log_create(nf_sock, log)) < 0)
111 .dp_dump_msgtype = 1,
114 printf(
"log params: ");
118 rt_sock = nl_cli_alloc_socket();
119 nl_cli_connect(rt_sock, NETLINK_ROUTE);
120 nl_cli_link_alloc_cache(rt_sock);
124 int nffd, rtfd, maxfd, retval;
137 retval = select(maxfd+1, &rfds, NULL, NULL, NULL);
140 if (FD_ISSET(nffd, &rfds))
142 if (FD_ISSET(rtfd, &rfds))
Customized handler specified by the user.
int nl_socket_get_fd(const struct nl_sock *sk)
Return the file descriptor of the backing socket.
enum nl_dump_type dp_type
Specifies the type of dump that is requested.
Stop parsing altogether and discard remaining messages.
int nl_socket_modify_cb(struct nl_sock *sk, enum nl_cb_type type, enum nl_cb_kind kind, nl_recvmsg_msg_cb_t func, void *arg)
Modify the callback handler associated with the socket.
void nl_object_dump(struct nl_object *obj, struct nl_dump_params *params)
Dump this object according to the specified parameters.
void nl_socket_disable_seq_check(struct nl_sock *sk)
Disable sequence number checking.
int nl_recvmsgs_default(struct nl_sock *sk)
Receive a set of message from a netlink socket using handlers in nl_sock.
void nl_cli_fatal(int err, const char *fmt,...)
Print error message and quit application.
Dump all attributes including statistics.