diff options
| -rw-r--r-- | include/linux/compat.h | 41 | ||||
| -rw-r--r-- | net/socket.c | 23 |
2 files changed, 47 insertions, 17 deletions
diff --git a/include/linux/compat.h b/include/linux/compat.h index 224c7a896172..ef68119a4fd2 100644 --- a/include/linux/compat.h +++ b/include/linux/compat.h @@ -165,25 +165,32 @@ struct compat_ifmap { unsigned char port; }; +struct compat_if_settings +{ + unsigned int type; /* Type of physical device or protocol */ + unsigned int size; /* Size of the data allocated by the caller */ + compat_uptr_t ifs_ifsu; /* union of pointers */ +}; + struct compat_ifreq { - union { - char ifrn_name[IFNAMSIZ]; /* if name, e.g. "en0" */ - } ifr_ifrn; - union { - struct sockaddr ifru_addr; - struct sockaddr ifru_dstaddr; - struct sockaddr ifru_broadaddr; - struct sockaddr ifru_netmask; - struct sockaddr ifru_hwaddr; - short ifru_flags; - compat_int_t ifru_ivalue; - compat_int_t ifru_mtu; - struct compat_ifmap ifru_map; - char ifru_slave[IFNAMSIZ]; /* Just fits the size */ + union { + char ifrn_name[IFNAMSIZ]; /* if name, e.g. "en0" */ + } ifr_ifrn; + union { + struct sockaddr ifru_addr; + struct sockaddr ifru_dstaddr; + struct sockaddr ifru_broadaddr; + struct sockaddr ifru_netmask; + struct sockaddr ifru_hwaddr; + short ifru_flags; + compat_int_t ifru_ivalue; + compat_int_t ifru_mtu; + struct compat_ifmap ifru_map; + char ifru_slave[IFNAMSIZ]; /* Just fits the size */ char ifru_newname[IFNAMSIZ]; - compat_caddr_t ifru_data; - /* XXXX? ifru_settings should be here */ - } ifr_ifru; + compat_caddr_t ifru_data; + struct compat_if_settings ifru_settings; + } ifr_ifru; }; struct compat_ifconf { diff --git a/net/socket.c b/net/socket.c index 224e7f73fdf0..befd9f5b1620 100644 --- a/net/socket.c +++ b/net/socket.c @@ -2627,6 +2627,27 @@ static int ethtool_ioctl(struct net *net, struct compat_ifreq __user *ifr32) return dev_ioctl(net, SIOCETHTOOL, ifr); } +static int compat_siocwandev(struct net *net, struct compat_ifreq __user *uifr32) +{ + void __user *uptr; + compat_uptr_t uptr32; + struct ifreq __user *uifr; + + uifr = compat_alloc_user_space(sizeof (*uifr)); + if (copy_in_user(uifr, uifr32, sizeof(struct compat_ifreq))) + return -EFAULT; + + if (get_user(uptr32, &uifr32->ifr_settings.ifs_ifsu)) + return -EFAULT; + + uptr = compat_ptr(uptr32); + + if (put_user(uptr, &uifr->ifr_settings.ifs_ifsu.raw_hdlc)) + return -EFAULT; + + return dev_ioctl(net, SIOCWANDEV, uifr); +} + static int bond_ioctl(struct net *net, unsigned int cmd, struct compat_ifreq __user *ifr32) { @@ -3058,6 +3079,8 @@ static int compat_sock_ioctl_trans(struct file *file, struct socket *sock, return dev_ifconf(net, argp); case SIOCETHTOOL: return ethtool_ioctl(net, argp); + case SIOCWANDEV: + return compat_siocwandev(net, argp); case SIOCBONDENSLAVE: case SIOCBONDRELEASE: case SIOCBONDSETHWADDR: |