linux/include/net/compat.h
Al Viro 08adb7dabd fold verify_iovec() into copy_msghdr_from_user()
... and do the same on the compat side of things.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2014-11-19 16:23:49 -05:00

69 lines
2.0 KiB
C

#ifndef NET_COMPAT_H
#define NET_COMPAT_H
struct sock;
#if defined(CONFIG_COMPAT)
#include <linux/compat.h>
struct compat_msghdr {
compat_uptr_t msg_name; /* void * */
compat_int_t msg_namelen;
compat_uptr_t msg_iov; /* struct compat_iovec * */
compat_size_t msg_iovlen;
compat_uptr_t msg_control; /* void * */
compat_size_t msg_controllen;
compat_uint_t msg_flags;
};
struct compat_mmsghdr {
struct compat_msghdr msg_hdr;
compat_uint_t msg_len;
};
struct compat_cmsghdr {
compat_size_t cmsg_len;
compat_int_t cmsg_level;
compat_int_t cmsg_type;
};
int compat_sock_get_timestamp(struct sock *, struct timeval __user *);
int compat_sock_get_timestampns(struct sock *, struct timespec __user *);
#else /* defined(CONFIG_COMPAT) */
/*
* To avoid compiler warnings:
*/
#define compat_msghdr msghdr
#define compat_mmsghdr mmsghdr
#endif /* defined(CONFIG_COMPAT) */
ssize_t get_compat_msghdr(struct msghdr *, struct compat_msghdr __user *,
struct sockaddr __user **, struct iovec **);
asmlinkage long compat_sys_sendmsg(int, struct compat_msghdr __user *,
unsigned int);
asmlinkage long compat_sys_sendmmsg(int, struct compat_mmsghdr __user *,
unsigned int, unsigned int);
asmlinkage long compat_sys_recvmsg(int, struct compat_msghdr __user *,
unsigned int);
asmlinkage long compat_sys_recvmmsg(int, struct compat_mmsghdr __user *,
unsigned int, unsigned int,
struct compat_timespec __user *);
asmlinkage long compat_sys_getsockopt(int, int, int, char __user *,
int __user *);
int put_cmsg_compat(struct msghdr*, int, int, int, void *);
int cmsghdr_from_user_compat_to_kern(struct msghdr *, struct sock *,
unsigned char *, int);
int compat_mc_setsockopt(struct sock *, int, int, char __user *, unsigned int,
int (*)(struct sock *, int, int, char __user *,
unsigned int));
int compat_mc_getsockopt(struct sock *, int, int, char __user *, int __user *,
int (*)(struct sock *, int, int, char __user *,
int __user *));
#endif /* NET_COMPAT_H */