 b7058842c9
			
		
	
	
	b7058842c9
	
	
	
		
			
			This provides safety against negative optlen at the type level instead of depending upon (sometimes non-trivial) checks against this sprinkled all over the the place, in each and every implementation. Based upon work done by Arjan van de Ven and feedback from Linus Torvalds. Signed-off-by: David S. Miller <davem@davemloft.net>
		
			
				
	
	
		
			34 lines
		
	
	
	
		
			1.3 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			34 lines
		
	
	
	
		
			1.3 KiB
			
		
	
	
	
		
			C
		
	
	
	
	
	
| #ifndef _UDP4_IMPL_H
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| #define _UDP4_IMPL_H
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| #include <net/udp.h>
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| #include <net/udplite.h>
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| #include <net/protocol.h>
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| #include <net/inet_common.h>
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| 
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| extern int  	__udp4_lib_rcv(struct sk_buff *, struct udp_table *, int );
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| extern void 	__udp4_lib_err(struct sk_buff *, u32, struct udp_table *);
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| 
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| extern int	udp_v4_get_port(struct sock *sk, unsigned short snum);
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| 
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| extern int	udp_setsockopt(struct sock *sk, int level, int optname,
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| 			       char __user *optval, unsigned int optlen);
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| extern int	udp_getsockopt(struct sock *sk, int level, int optname,
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| 			       char __user *optval, int __user *optlen);
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| 
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| #ifdef CONFIG_COMPAT
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| extern int	compat_udp_setsockopt(struct sock *sk, int level, int optname,
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| 				      char __user *optval, unsigned int optlen);
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| extern int	compat_udp_getsockopt(struct sock *sk, int level, int optname,
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| 				      char __user *optval, int __user *optlen);
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| #endif
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| extern int	udp_recvmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
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| 			    size_t len, int noblock, int flags, int *addr_len);
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| extern int	udp_sendpage(struct sock *sk, struct page *page, int offset,
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| 			     size_t size, int flags);
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| extern int	udp_queue_rcv_skb(struct sock * sk, struct sk_buff *skb);
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| extern void	udp_destroy_sock(struct sock *sk);
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| 
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| #ifdef CONFIG_PROC_FS
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| extern int	udp4_seq_show(struct seq_file *seq, void *v);
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| #endif
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| #endif	/* _UDP4_IMPL_H */
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