* of the GNU General Public License, incorporated herein by reference.
*/
-#include <linux/config.h>
#include <linux/module.h>
#include <linux/types.h>
#include <linux/socket.h>
return -EINVAL;
}
- min_len = NLMSG_ALIGN(sizeof(struct nfgenmsg));
+ min_len = NLMSG_SPACE(sizeof(struct nfgenmsg));
if (unlikely(nlh->nlmsg_len < min_len))
return -EINVAL;
return 0;
}
+int nfnetlink_has_listeners(unsigned int group)
+{
+ return netlink_has_listeners(nfnl, group);
+}
+EXPORT_SYMBOL_GPL(nfnetlink_has_listeners);
+
int nfnetlink_send(struct sk_buff *skb, u32 pid, unsigned group, int echo)
{
gfp_t allocation = in_interrupt() ? GFP_ATOMIC : GFP_KERNEL;
}
/* Process one complete nfnetlink message. */
-static inline int nfnetlink_rcv_msg(struct sk_buff *skb,
+static int nfnetlink_rcv_msg(struct sk_buff *skb,
struct nlmsghdr *nlh, int *errp)
{
struct nfnl_callback *nc;
NFNL_SUBSYS_ID(nlh->nlmsg_type),
NFNL_MSG_TYPE(nlh->nlmsg_type));
- if (!cap_raised(NETLINK_CB(skb).eff_cap, CAP_NET_ADMIN)) {
+ if (security_netlink_recv(skb, CAP_NET_ADMIN)) {
DEBUGP("missing CAP_NET_ADMIN\n");
*errp = -EPERM;
return -1;
}
/* All the messages must at least contain nfgenmsg */
- if (nlh->nlmsg_len <
- NLMSG_LENGTH(NLMSG_ALIGN(sizeof(struct nfgenmsg)))) {
+ if (nlh->nlmsg_len < NLMSG_SPACE(sizeof(struct nfgenmsg))) {
DEBUGP("received message was too short\n");
return 0;
}