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