mirror of
https://git.netfilter.org/libmnl
synced 2026-01-26 18:39:06 +00:00
include: use sanitized header from headers_install
Signed-off-by: Jan Engelhardt <jengelh@medozas.de> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
This commit is contained in:
Jan Engelhardt
Pablo Neira Ayuso
parent
2a4c51da47
commit
612770e648
@ -70,7 +70,7 @@ struct nlmsghdr {
|
||||
Check NLM_F_EXCL
|
||||
*/
|
||||
|
||||
#define NLMSG_ALIGNTO 4
|
||||
#define NLMSG_ALIGNTO 4U
|
||||
#define NLMSG_ALIGN(len) ( ((len)+NLMSG_ALIGNTO-1) & ~(NLMSG_ALIGNTO-1) )
|
||||
#define NLMSG_HDRLEN ((int) NLMSG_ALIGN(sizeof(struct nlmsghdr)))
|
||||
#define NLMSG_LENGTH(len) ((len)+NLMSG_ALIGN(NLMSG_HDRLEN))
|
||||
@ -144,131 +144,5 @@ struct nlattr {
|
||||
#define NLA_ALIGN(len) (((len) + NLA_ALIGNTO - 1) & ~(NLA_ALIGNTO - 1))
|
||||
#define NLA_HDRLEN ((int) NLA_ALIGN(sizeof(struct nlattr)))
|
||||
|
||||
#ifdef __KERNEL__
|
||||
|
||||
#include <linux/capability.h>
|
||||
#include <linux/skbuff.h>
|
||||
|
||||
struct net;
|
||||
|
||||
static inline struct nlmsghdr *nlmsg_hdr(const struct sk_buff *skb)
|
||||
{
|
||||
return (struct nlmsghdr *)skb->data;
|
||||
}
|
||||
|
||||
struct netlink_skb_parms {
|
||||
struct ucred creds; /* Skb credentials */
|
||||
__u32 pid;
|
||||
__u32 dst_group;
|
||||
kernel_cap_t eff_cap;
|
||||
__u32 loginuid; /* Login (audit) uid */
|
||||
__u32 sessionid; /* Session id (audit) */
|
||||
__u32 sid; /* SELinux security id */
|
||||
};
|
||||
|
||||
#define NETLINK_CB(skb) (*(struct netlink_skb_parms*)&((skb)->cb))
|
||||
#define NETLINK_CREDS(skb) (&NETLINK_CB((skb)).creds)
|
||||
|
||||
|
||||
extern void netlink_table_grab(void);
|
||||
extern void netlink_table_ungrab(void);
|
||||
|
||||
extern struct sock *netlink_kernel_create(struct net *net,
|
||||
int unit,unsigned int groups,
|
||||
void (*input)(struct sk_buff *skb),
|
||||
struct mutex *cb_mutex,
|
||||
struct module *module);
|
||||
extern void netlink_kernel_release(struct sock *sk);
|
||||
extern int __netlink_change_ngroups(struct sock *sk, unsigned int groups);
|
||||
extern int netlink_change_ngroups(struct sock *sk, unsigned int groups);
|
||||
extern void __netlink_clear_multicast_users(struct sock *sk, unsigned int group);
|
||||
extern void netlink_clear_multicast_users(struct sock *sk, unsigned int group);
|
||||
extern void netlink_ack(struct sk_buff *in_skb, struct nlmsghdr *nlh, int err);
|
||||
extern int netlink_has_listeners(struct sock *sk, unsigned int group);
|
||||
extern int netlink_unicast(struct sock *ssk, struct sk_buff *skb, __u32 pid, int nonblock);
|
||||
extern int netlink_broadcast(struct sock *ssk, struct sk_buff *skb, __u32 pid,
|
||||
__u32 group, gfp_t allocation);
|
||||
extern int netlink_broadcast_filtered(struct sock *ssk, struct sk_buff *skb,
|
||||
__u32 pid, __u32 group, gfp_t allocation,
|
||||
int (*filter)(struct sock *dsk, struct sk_buff *skb, void *data),
|
||||
void *filter_data);
|
||||
extern int netlink_set_err(struct sock *ssk, __u32 pid, __u32 group, int code);
|
||||
extern int netlink_register_notifier(struct notifier_block *nb);
|
||||
extern int netlink_unregister_notifier(struct notifier_block *nb);
|
||||
|
||||
/* finegrained unicast helpers: */
|
||||
struct sock *netlink_getsockbyfilp(struct file *filp);
|
||||
int netlink_attachskb(struct sock *sk, struct sk_buff *skb,
|
||||
long *timeo, struct sock *ssk);
|
||||
void netlink_detachskb(struct sock *sk, struct sk_buff *skb);
|
||||
int netlink_sendskb(struct sock *sk, struct sk_buff *skb);
|
||||
|
||||
/*
|
||||
* skb should fit one page. This choice is good for headerless malloc.
|
||||
* But we should limit to 8K so that userspace does not have to
|
||||
* use enormous buffer sizes on recvmsg() calls just to avoid
|
||||
* MSG_TRUNC when PAGE_SIZE is very large.
|
||||
*/
|
||||
#if PAGE_SIZE < 8192UL
|
||||
#define NLMSG_GOODSIZE SKB_WITH_OVERHEAD(PAGE_SIZE)
|
||||
#else
|
||||
#define NLMSG_GOODSIZE SKB_WITH_OVERHEAD(8192UL)
|
||||
#endif
|
||||
|
||||
#define NLMSG_DEFAULT_SIZE (NLMSG_GOODSIZE - NLMSG_HDRLEN)
|
||||
|
||||
|
||||
struct netlink_callback {
|
||||
struct sk_buff *skb;
|
||||
const struct nlmsghdr *nlh;
|
||||
int (*dump)(struct sk_buff * skb,
|
||||
struct netlink_callback *cb);
|
||||
int (*done)(struct netlink_callback *cb);
|
||||
int family;
|
||||
long args[6];
|
||||
};
|
||||
|
||||
struct netlink_notify {
|
||||
struct net *net;
|
||||
int pid;
|
||||
int protocol;
|
||||
};
|
||||
|
||||
static __inline__ struct nlmsghdr *
|
||||
__nlmsg_put(struct sk_buff *skb, u32 pid, u32 seq, int type, int len, int flags)
|
||||
{
|
||||
struct nlmsghdr *nlh;
|
||||
int size = NLMSG_LENGTH(len);
|
||||
|
||||
nlh = (struct nlmsghdr*)skb_put(skb, NLMSG_ALIGN(size));
|
||||
nlh->nlmsg_type = type;
|
||||
nlh->nlmsg_len = size;
|
||||
nlh->nlmsg_flags = flags;
|
||||
nlh->nlmsg_pid = pid;
|
||||
nlh->nlmsg_seq = seq;
|
||||
if (!__builtin_constant_p(size) || NLMSG_ALIGN(size) - size != 0)
|
||||
memset(NLMSG_DATA(nlh) + len, 0, NLMSG_ALIGN(size) - size);
|
||||
return nlh;
|
||||
}
|
||||
|
||||
#define NLMSG_NEW(skb, pid, seq, type, len, flags) \
|
||||
({ if (unlikely(skb_tailroom(skb) < (int)NLMSG_SPACE(len))) \
|
||||
goto nlmsg_failure; \
|
||||
__nlmsg_put(skb, pid, seq, type, len, flags); })
|
||||
|
||||
#define NLMSG_PUT(skb, pid, seq, type, len) \
|
||||
NLMSG_NEW(skb, pid, seq, type, len, 0)
|
||||
|
||||
extern int netlink_dump_start(struct sock *ssk, struct sk_buff *skb,
|
||||
const struct nlmsghdr *nlh,
|
||||
int (*dump)(struct sk_buff *skb, struct netlink_callback*),
|
||||
int (*done)(struct netlink_callback*));
|
||||
|
||||
|
||||
#define NL_NONROOT_RECV 0x1
|
||||
#define NL_NONROOT_SEND 0x2
|
||||
extern void netlink_set_nonroot(int protocol, unsigned flag);
|
||||
|
||||
#endif /* __KERNEL__ */
|
||||
|
||||
#endif /* __LINUX_NETLINK_H */
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user