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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>
35 lines
1.3 KiB
C
35 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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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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extern int udp_v4_get_port(struct sock *sk, unsigned short snum);
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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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#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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#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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