| #include <linux/types.h> |
| #include <linux/spinlock.h> |
| #include <linux/sock_diag.h> |
| #include <linux/unix_diag.h> |
| #include <linux/skbuff.h> |
| #include <net/netlink.h> |
| #include <net/af_unix.h> |
| #include <net/tcp_states.h> |
| |
| #define UNIX_DIAG_PUT(skb, attrtype, attrlen) \ |
| RTA_DATA(__RTA_PUT(skb, attrtype, attrlen)) |
| |
| static int unix_diag_dump(struct sk_buff *skb, struct netlink_callback *cb) |
| { |
| return 0; |
| } |
| |
| static int unix_diag_get_exact(struct sk_buff *in_skb, |
| const struct nlmsghdr *nlh, |
| struct unix_diag_req *req) |
| { |
| return -EAFNOSUPPORT; |
| } |
| |
| static int unix_diag_handler_dump(struct sk_buff *skb, struct nlmsghdr *h) |
| { |
| int hdrlen = sizeof(struct unix_diag_req); |
| |
| if (nlmsg_len(h) < hdrlen) |
| return -EINVAL; |
| |
| if (h->nlmsg_flags & NLM_F_DUMP) |
| return netlink_dump_start(sock_diag_nlsk, skb, h, |
| unix_diag_dump, NULL, 0); |
| else |
| return unix_diag_get_exact(skb, h, (struct unix_diag_req *)NLMSG_DATA(h)); |
| } |
| |
| static struct sock_diag_handler unix_diag_handler = { |
| .family = AF_UNIX, |
| .dump = unix_diag_handler_dump, |
| }; |
| |
| static int __init unix_diag_init(void) |
| { |
| return sock_diag_register(&unix_diag_handler); |
| } |
| |
| static void __exit unix_diag_exit(void) |
| { |
| sock_diag_unregister(&unix_diag_handler); |
| } |
| |
| module_init(unix_diag_init); |
| module_exit(unix_diag_exit); |
| MODULE_LICENSE("GPL"); |
| MODULE_ALIAS_NET_PF_PROTO_TYPE(PF_NETLINK, NETLINK_SOCK_DIAG, 1 /* AF_LOCAL */); |