X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;f=net%2Fsocket.c;h=f55ffe9f8c87f27d670ddea0da7aff762355cf2f;hb=d79b6f4de5db0103ceb4734e42ad101d836d61d9;hp=344bd230b8312b5b9385a933f7b92a5142ee933c;hpb=7a229387d317df525ebd19e146493db7f2694b8b;p=safe%2Fjmp%2Flinux-2.6 diff --git a/net/socket.c b/net/socket.c index 344bd23..f55ffe9 100644 --- a/net/socket.c +++ b/net/socket.c @@ -97,6 +97,12 @@ #include #include +#include +#include +#include +#include +#include + static int sock_no_open(struct inode *irrelevant, struct file *dontcare); static ssize_t sock_aio_read(struct kiocb *iocb, const struct iovec *iov, unsigned long nr_segs, loff_t pos); @@ -306,18 +312,6 @@ static struct file_system_type sock_fs_type = { .kill_sb = kill_anon_super, }; -static int sockfs_delete_dentry(struct dentry *dentry) -{ - /* - * At creation time, we pretended this dentry was hashed - * (by clearing DCACHE_UNHASHED bit in d_flags) - * At delete time, we restore the truth : not hashed. - * (so that dput() can proceed correctly) - */ - dentry->d_flags |= DCACHE_UNHASHED; - return 0; -} - /* * sockfs_dname() is called from d_path(). */ @@ -328,7 +322,6 @@ static char *sockfs_dname(struct dentry *dentry, char *buffer, int buflen) } static const struct dentry_operations sockfs_dentry_operations = { - .d_delete = sockfs_delete_dentry, .d_dname = sockfs_dname, }; @@ -349,68 +342,55 @@ static const struct dentry_operations sockfs_dentry_operations = { * but we take care of internal coherence yet. */ -static int sock_alloc_fd(struct file **filep, int flags) +static int sock_alloc_file(struct socket *sock, struct file **f, int flags) { + struct qstr name = { .name = "" }; + struct path path; + struct file *file; int fd; fd = get_unused_fd_flags(flags); - if (likely(fd >= 0)) { - struct file *file = get_empty_filp(); - - *filep = file; - if (unlikely(!file)) { - put_unused_fd(fd); - return -ENFILE; - } - } else - *filep = NULL; - return fd; -} + if (unlikely(fd < 0)) + return fd; -static int sock_attach_fd(struct socket *sock, struct file *file, int flags) -{ - struct dentry *dentry; - struct qstr name = { .name = "" }; - - dentry = d_alloc(sock_mnt->mnt_sb->s_root, &name); - if (unlikely(!dentry)) + path.dentry = d_alloc(sock_mnt->mnt_sb->s_root, &name); + if (unlikely(!path.dentry)) { + put_unused_fd(fd); return -ENOMEM; + } + path.mnt = mntget(sock_mnt); - dentry->d_op = &sockfs_dentry_operations; - /* - * We dont want to push this dentry into global dentry hash table. - * We pretend dentry is already hashed, by unsetting DCACHE_UNHASHED - * This permits a working /proc/$pid/fd/XXX on sockets - */ - dentry->d_flags &= ~DCACHE_UNHASHED; - d_instantiate(dentry, SOCK_INODE(sock)); + path.dentry->d_op = &sockfs_dentry_operations; + d_instantiate(path.dentry, SOCK_INODE(sock)); + SOCK_INODE(sock)->i_fop = &socket_file_ops; - sock->file = file; - init_file(file, sock_mnt, dentry, FMODE_READ | FMODE_WRITE, + file = alloc_file(&path, FMODE_READ | FMODE_WRITE, &socket_file_ops); - SOCK_INODE(sock)->i_fop = &socket_file_ops; + if (unlikely(!file)) { + /* drop dentry, keep inode */ + atomic_inc(&path.dentry->d_inode->i_count); + path_put(&path); + put_unused_fd(fd); + return -ENFILE; + } + + sock->file = file; file->f_flags = O_RDWR | (flags & O_NONBLOCK); file->f_pos = 0; file->private_data = sock; - return 0; + *f = file; + return fd; } int sock_map_fd(struct socket *sock, int flags) { struct file *newfile; - int fd = sock_alloc_fd(&newfile, flags); - - if (likely(fd >= 0)) { - int err = sock_attach_fd(sock, newfile, flags); + int fd = sock_alloc_file(sock, &newfile, flags); - if (unlikely(err < 0)) { - put_filp(newfile); - put_unused_fd(fd); - return err; - } + if (likely(fd >= 0)) fd_install(fd, newfile); - } + return fd; } @@ -919,6 +899,24 @@ void dlci_ioctl_set(int (*hook) (unsigned int, void __user *)) EXPORT_SYMBOL(dlci_ioctl_set); +static long sock_do_ioctl(struct net *net, struct socket *sock, + unsigned int cmd, unsigned long arg) +{ + int err; + void __user *argp = (void __user *)arg; + + err = sock->ops->ioctl(sock, cmd, arg); + + /* + * If this ioctl is unknown try to hand it down + * to the NIC driver. + */ + if (err == -ENOIOCTLCMD) + err = dev_ioctl(net, cmd, argp); + + return err; +} + /* * With an ioctl, arg may well be a user mode pointer, but we don't know * what to do with it - that's up to the protocol still. @@ -992,14 +990,7 @@ static long sock_ioctl(struct file *file, unsigned cmd, unsigned long arg) mutex_unlock(&dlci_ioctl_mutex); break; default: - err = sock->ops->ioctl(sock, cmd, arg); - - /* - * If this ioctl is unknown try to hand it down - * to the NIC driver. - */ - if (err == -ENOIOCTLCMD) - err = dev_ioctl(net, cmd, argp); + err = sock_do_ioctl(net, sock, cmd, arg); break; } return err; @@ -1373,29 +1364,19 @@ SYSCALL_DEFINE4(socketpair, int, family, int, type, int, protocol, if (err < 0) goto out_release_both; - fd1 = sock_alloc_fd(&newfile1, flags & O_CLOEXEC); + fd1 = sock_alloc_file(sock1, &newfile1, flags); if (unlikely(fd1 < 0)) { err = fd1; goto out_release_both; } - fd2 = sock_alloc_fd(&newfile2, flags & O_CLOEXEC); + fd2 = sock_alloc_file(sock2, &newfile2, flags); if (unlikely(fd2 < 0)) { err = fd2; - put_filp(newfile1); - put_unused_fd(fd1); - goto out_release_both; - } - - err = sock_attach_fd(sock1, newfile1, flags & O_NONBLOCK); - if (unlikely(err < 0)) { - goto out_fd2; - } - - err = sock_attach_fd(sock2, newfile2, flags & O_NONBLOCK); - if (unlikely(err < 0)) { fput(newfile1); - goto out_fd1; + put_unused_fd(fd1); + sock_release(sock2); + goto out; } audit_fd_pair(fd1, fd2); @@ -1421,16 +1402,6 @@ out_release_1: sock_release(sock1); out: return err; - -out_fd2: - put_filp(newfile1); - sock_release(sock1); -out_fd1: - put_filp(newfile2); - sock_release(sock2); - put_unused_fd(fd1); - put_unused_fd(fd2); - goto out; } /* @@ -1534,17 +1505,13 @@ SYSCALL_DEFINE4(accept4, int, fd, struct sockaddr __user *, upeer_sockaddr, */ __module_get(newsock->ops->owner); - newfd = sock_alloc_fd(&newfile, flags & O_CLOEXEC); + newfd = sock_alloc_file(newsock, &newfile, flags); if (unlikely(newfd < 0)) { err = newfd; sock_release(newsock); goto out_put; } - err = sock_attach_fd(newsock, newfile, flags & O_NONBLOCK); - if (err < 0) - goto out_fd_simple; - err = security_socket_accept(sock, newsock); if (err) goto out_fd; @@ -1574,11 +1541,6 @@ out_put: fput_light(sock->file, fput_needed); out: return err; -out_fd_simple: - sock_release(newsock); - put_filp(newfile); - put_unused_fd(newfd); - goto out_put; out_fd: fput(newfile); put_unused_fd(newfd); @@ -2127,6 +2089,7 @@ int __sys_recvmmsg(int fd, struct mmsghdr __user *mmsg, unsigned int vlen, int fput_needed, err, datagrams; struct socket *sock; struct mmsghdr __user *entry; + struct compat_mmsghdr __user *compat_entry; struct msghdr msg_sys; struct timespec end_time; @@ -2146,21 +2109,36 @@ int __sys_recvmmsg(int fd, struct mmsghdr __user *mmsg, unsigned int vlen, goto out_put; entry = mmsg; + compat_entry = (struct compat_mmsghdr __user *)mmsg; while (datagrams < vlen) { /* * No need to ask LSM for more than the first datagram. */ - err = __sys_recvmsg(sock, (struct msghdr __user *)entry, - &msg_sys, flags, datagrams); - if (err < 0) - break; - err = put_user(err, &entry->msg_len); + if (MSG_CMSG_COMPAT & flags) { + err = __sys_recvmsg(sock, (struct msghdr __user *)compat_entry, + &msg_sys, flags, datagrams); + if (err < 0) + break; + err = __put_user(err, &compat_entry->msg_len); + ++compat_entry; + } else { + err = __sys_recvmsg(sock, (struct msghdr __user *)entry, + &msg_sys, flags, datagrams); + if (err < 0) + break; + err = put_user(err, &entry->msg_len); + ++entry; + } + if (err) break; - ++entry; ++datagrams; + /* MSG_WAITFORONE turns on MSG_DONTWAIT after one packet */ + if (flags & MSG_WAITFORONE) + flags |= MSG_DONTWAIT; + if (timeout) { ktime_get_ts(timeout); *timeout = timespec_sub(end_time, *timeout); @@ -2459,16 +2437,15 @@ void socket_seq_show(struct seq_file *seq) #endif /* CONFIG_PROC_FS */ #ifdef CONFIG_COMPAT -#if 0 -static int do_siocgstamp(unsigned int fd, unsigned int cmd, unsigned long arg) +static int do_siocgstamp(struct net *net, struct socket *sock, + unsigned int cmd, struct compat_timeval __user *up) { - struct compat_timeval __user *up = compat_ptr(arg); mm_segment_t old_fs = get_fs(); struct timeval ktv; int err; set_fs(KERNEL_DS); - err = sys_ioctl(fd, cmd, (unsigned long)&ktv); + err = sock_do_ioctl(net, sock, cmd, (unsigned long)&ktv); set_fs(old_fs); if (!err) { err = put_user(ktv.tv_sec, &up->tv_sec); @@ -2477,15 +2454,15 @@ static int do_siocgstamp(unsigned int fd, unsigned int cmd, unsigned long arg) return err; } -static int do_siocgstampns(unsigned int fd, unsigned int cmd, unsigned long arg) +static int do_siocgstampns(struct net *net, struct socket *sock, + unsigned int cmd, struct compat_timespec __user *up) { - struct compat_timespec __user *up = compat_ptr(arg); mm_segment_t old_fs = get_fs(); struct timespec kts; int err; set_fs(KERNEL_DS); - err = sys_ioctl(fd, cmd, (unsigned long)&kts); + err = sock_do_ioctl(net, sock, cmd, (unsigned long)&kts); set_fs(old_fs); if (!err) { err = put_user(kts.tv_sec, &up->tv_sec); @@ -2494,73 +2471,36 @@ static int do_siocgstampns(unsigned int fd, unsigned int cmd, unsigned long arg) return err; } -struct ifmap32 { - compat_ulong_t mem_start; - compat_ulong_t mem_end; - unsigned short base_addr; - unsigned char irq; - unsigned char dma; - unsigned char port; -}; - -struct ifreq32 { -#define IFHWADDRLEN 6 -#define IFNAMSIZ 16 - 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 ifmap32 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; -}; - -struct ifconf32 { - compat_int_t ifc_len; /* size of buffer */ - compat_caddr_t ifcbuf; -}; - -static int dev_ifname32(unsigned int fd, unsigned int cmd, unsigned long arg) +static int dev_ifname32(struct net *net, struct compat_ifreq __user *uifr32) { struct ifreq __user *uifr; int err; uifr = compat_alloc_user_space(sizeof(struct ifreq)); - if (copy_in_user(uifr, compat_ptr(arg), sizeof(struct ifreq32))) + if (copy_in_user(uifr, uifr32, sizeof(struct compat_ifreq))) return -EFAULT; - err = sys_ioctl(fd, SIOCGIFNAME, (unsigned long)uifr); + err = dev_ioctl(net, SIOCGIFNAME, uifr); if (err) return err; - if (copy_in_user(compat_ptr(arg), uifr, sizeof(struct ifreq32))) + if (copy_in_user(uifr32, uifr, sizeof(struct compat_ifreq))) return -EFAULT; return 0; } -static int dev_ifconf(unsigned int fd, unsigned int cmd, unsigned long arg) +static int dev_ifconf(struct net *net, struct compat_ifconf __user *uifc32) { - struct ifconf32 ifc32; + struct compat_ifconf ifc32; struct ifconf ifc; struct ifconf __user *uifc; - struct ifreq32 __user *ifr32; + struct compat_ifreq __user *ifr32; struct ifreq __user *ifr; unsigned int i, j; int err; - if (copy_from_user(&ifc32, compat_ptr(arg), sizeof(struct ifconf32))) + if (copy_from_user(&ifc32, uifc32, sizeof(struct compat_ifconf))) return -EFAULT; if (ifc32.ifcbuf == 0) { @@ -2569,14 +2509,14 @@ static int dev_ifconf(unsigned int fd, unsigned int cmd, unsigned long arg) ifc.ifc_req = NULL; uifc = compat_alloc_user_space(sizeof(struct ifconf)); } else { - size_t len =((ifc32.ifc_len / sizeof (struct ifreq32)) + 1) * + size_t len =((ifc32.ifc_len / sizeof (struct compat_ifreq)) + 1) * sizeof (struct ifreq); uifc = compat_alloc_user_space(sizeof(struct ifconf) + len); ifc.ifc_len = len; ifr = ifc.ifc_req = (void __user *)(uifc + 1); ifr32 = compat_ptr(ifc32.ifcbuf); - for (i = 0; i < ifc32.ifc_len; i += sizeof (struct ifreq32)) { - if (copy_in_user(ifr, ifr32, sizeof(struct ifreq32))) + for (i = 0; i < ifc32.ifc_len; i += sizeof (struct compat_ifreq)) { + if (copy_in_user(ifr, ifr32, sizeof(struct compat_ifreq))) return -EFAULT; ifr++; ifr32++; @@ -2585,7 +2525,7 @@ static int dev_ifconf(unsigned int fd, unsigned int cmd, unsigned long arg) if (copy_to_user(uifc, &ifc, sizeof(struct ifconf))) return -EFAULT; - err = sys_ioctl (fd, SIOCGIFCONF, (unsigned long)uifc); + err = dev_ioctl(net, SIOCGIFCONF, uifc); if (err) return err; @@ -2595,9 +2535,9 @@ static int dev_ifconf(unsigned int fd, unsigned int cmd, unsigned long arg) ifr = ifc.ifc_req; ifr32 = compat_ptr(ifc32.ifcbuf); for (i = 0, j = 0; - i + sizeof (struct ifreq32) <= ifc32.ifc_len && j < ifc.ifc_len; - i += sizeof (struct ifreq32), j += sizeof (struct ifreq)) { - if (copy_in_user(ifr32, ifr, sizeof (struct ifreq32))) + i + sizeof (struct compat_ifreq) <= ifc32.ifc_len && j < ifc.ifc_len; + i += sizeof (struct compat_ifreq), j += sizeof (struct ifreq)) { + if (copy_in_user(ifr32, ifr, sizeof (struct compat_ifreq))) return -EFAULT; ifr32++; ifr++; @@ -2608,26 +2548,24 @@ static int dev_ifconf(unsigned int fd, unsigned int cmd, unsigned long arg) * a 32-bit one. */ i = ifc.ifc_len; - i = ((i / sizeof(struct ifreq)) * sizeof(struct ifreq32)); + i = ((i / sizeof(struct ifreq)) * sizeof(struct compat_ifreq)); ifc32.ifc_len = i; } else { ifc32.ifc_len = i; } - if (copy_to_user(compat_ptr(arg), &ifc32, sizeof(struct ifconf32))) + if (copy_to_user(uifc32, &ifc32, sizeof(struct compat_ifconf))) return -EFAULT; return 0; } -static int ethtool_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg) +static int ethtool_ioctl(struct net *net, struct compat_ifreq __user *ifr32) { struct ifreq __user *ifr; - struct ifreq32 __user *ifr32; u32 data; void __user *datap; ifr = compat_alloc_user_space(sizeof(*ifr)); - ifr32 = compat_ptr(arg); if (copy_in_user(&ifr->ifr_name, &ifr32->ifr_name, IFNAMSIZ)) return -EFAULT; @@ -2639,14 +2577,35 @@ static int ethtool_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg) if (put_user(datap, &ifr->ifr_ifru.ifru_data)) return -EFAULT; - return sys_ioctl(fd, cmd, (unsigned long) ifr); + return dev_ioctl(net, SIOCETHTOOL, ifr); } -static int bond_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg) +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) { struct ifreq kifr; struct ifreq __user *uifr; - struct ifreq32 __user *ifr32 = compat_ptr(arg); mm_segment_t old_fs; int err; u32 data; @@ -2657,12 +2616,12 @@ static int bond_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg) case SIOCBONDRELEASE: case SIOCBONDSETHWADDR: case SIOCBONDCHANGEACTIVE: - if (copy_from_user(&kifr, ifr32, sizeof(struct ifreq32))) + if (copy_from_user(&kifr, ifr32, sizeof(struct compat_ifreq))) return -EFAULT; old_fs = get_fs(); set_fs (KERNEL_DS); - err = sys_ioctl (fd, cmd, (unsigned long)&kifr); + err = dev_ioctl(net, cmd, &kifr); set_fs (old_fs); return err; @@ -2679,16 +2638,16 @@ static int bond_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg) if (put_user(datap, &uifr->ifr_ifru.ifru_data)) return -EFAULT; - return sys_ioctl (fd, cmd, (unsigned long)uifr); + return dev_ioctl(net, cmd, uifr); default: return -EINVAL; }; } -static int siocdevprivate_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg) +static int siocdevprivate_ioctl(struct net *net, unsigned int cmd, + struct compat_ifreq __user *u_ifreq32) { struct ifreq __user *u_ifreq64; - struct ifreq32 __user *u_ifreq32 = compat_ptr(arg); char tmp_buf[IFNAMSIZ]; void __user *data64; u32 data32; @@ -2711,45 +2670,21 @@ static int siocdevprivate_ioctl(unsigned int fd, unsigned int cmd, unsigned long if (__put_user(data64, &u_ifreq64->ifr_ifru.ifru_data)) return -EFAULT; - return sys_ioctl(fd, cmd, (unsigned long) u_ifreq64); + return dev_ioctl(net, cmd, u_ifreq64); } -static int dev_ifsioc(unsigned int fd, unsigned int cmd, unsigned long arg) +static int dev_ifsioc(struct net *net, struct socket *sock, + unsigned int cmd, struct compat_ifreq __user *uifr32) { - struct ifreq ifr; - struct ifreq32 __user *uifr32; - struct ifmap32 __user *uifmap32; - mm_segment_t old_fs; + struct ifreq __user *uifr; int err; - uifr32 = compat_ptr(arg); - uifmap32 = &uifr32->ifr_ifru.ifru_map; - switch (cmd) { - case SIOCSIFMAP: - err = copy_from_user(&ifr, uifr32, sizeof(ifr.ifr_name)); - err |= __get_user(ifr.ifr_map.mem_start, &uifmap32->mem_start); - err |= __get_user(ifr.ifr_map.mem_end, &uifmap32->mem_end); - err |= __get_user(ifr.ifr_map.base_addr, &uifmap32->base_addr); - err |= __get_user(ifr.ifr_map.irq, &uifmap32->irq); - err |= __get_user(ifr.ifr_map.dma, &uifmap32->dma); - err |= __get_user(ifr.ifr_map.port, &uifmap32->port); - if (err) - return -EFAULT; - break; - case SIOCSHWTSTAMP: - if (copy_from_user(&ifr, uifr32, sizeof(*uifr32))) - return -EFAULT; - ifr.ifr_data = compat_ptr(uifr32->ifr_ifru.ifru_data); - break; - default: - if (copy_from_user(&ifr, uifr32, sizeof(*uifr32))) - return -EFAULT; - break; - } - old_fs = get_fs(); - set_fs (KERNEL_DS); - err = sys_ioctl (fd, cmd, (unsigned long)&ifr); - set_fs (old_fs); + uifr = compat_alloc_user_space(sizeof(*uifr)); + if (copy_in_user(uifr, uifr32, sizeof(*uifr32))) + return -EFAULT; + + err = sock_do_ioctl(net, sock, cmd, (unsigned long)uifr); + if (!err) { switch (cmd) { case SIOCGIFFLAGS: @@ -2762,19 +2697,11 @@ static int dev_ifsioc(unsigned int fd, unsigned int cmd, unsigned long arg) case SIOCGIFBRDADDR: case SIOCGIFDSTADDR: case SIOCGIFNETMASK: + case SIOCGIFPFLAGS: case SIOCGIFTXQLEN: - if (copy_to_user(uifr32, &ifr, sizeof(*uifr32))) - return -EFAULT; - break; - case SIOCGIFMAP: - err = copy_to_user(uifr32, &ifr, sizeof(ifr.ifr_name)); - err |= __put_user(ifr.ifr_map.mem_start, &uifmap32->mem_start); - err |= __put_user(ifr.ifr_map.mem_end, &uifmap32->mem_end); - err |= __put_user(ifr.ifr_map.base_addr, &uifmap32->base_addr); - err |= __put_user(ifr.ifr_map.irq, &uifmap32->irq); - err |= __put_user(ifr.ifr_map.dma, &uifmap32->dma); - err |= __put_user(ifr.ifr_map.port, &uifmap32->port); - if (err) + case SIOCGMIIPHY: + case SIOCGMIIREG: + if (copy_in_user(uifr32, uifr, sizeof(*uifr32))) err = -EFAULT; break; } @@ -2782,6 +2709,65 @@ static int dev_ifsioc(unsigned int fd, unsigned int cmd, unsigned long arg) return err; } +static int compat_sioc_ifmap(struct net *net, unsigned int cmd, + struct compat_ifreq __user *uifr32) +{ + struct ifreq ifr; + struct compat_ifmap __user *uifmap32; + mm_segment_t old_fs; + int err; + + uifmap32 = &uifr32->ifr_ifru.ifru_map; + err = copy_from_user(&ifr, uifr32, sizeof(ifr.ifr_name)); + err |= __get_user(ifr.ifr_map.mem_start, &uifmap32->mem_start); + err |= __get_user(ifr.ifr_map.mem_end, &uifmap32->mem_end); + err |= __get_user(ifr.ifr_map.base_addr, &uifmap32->base_addr); + err |= __get_user(ifr.ifr_map.irq, &uifmap32->irq); + err |= __get_user(ifr.ifr_map.dma, &uifmap32->dma); + err |= __get_user(ifr.ifr_map.port, &uifmap32->port); + if (err) + return -EFAULT; + + old_fs = get_fs(); + set_fs (KERNEL_DS); + err = dev_ioctl(net, cmd, (void __user *)&ifr); + set_fs (old_fs); + + if (cmd == SIOCGIFMAP && !err) { + err = copy_to_user(uifr32, &ifr, sizeof(ifr.ifr_name)); + err |= __put_user(ifr.ifr_map.mem_start, &uifmap32->mem_start); + err |= __put_user(ifr.ifr_map.mem_end, &uifmap32->mem_end); + err |= __put_user(ifr.ifr_map.base_addr, &uifmap32->base_addr); + err |= __put_user(ifr.ifr_map.irq, &uifmap32->irq); + err |= __put_user(ifr.ifr_map.dma, &uifmap32->dma); + err |= __put_user(ifr.ifr_map.port, &uifmap32->port); + if (err) + err = -EFAULT; + } + return err; +} + +static int compat_siocshwtstamp(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_data)) + return -EFAULT; + + uptr = compat_ptr(uptr32); + + if (put_user(uptr, &uifr->ifr_data)) + return -EFAULT; + + return dev_ioctl(net, SIOCSHWTSTAMP, uifr); +} + struct rtentry32 { u32 rt_pad1; struct sockaddr rt_dst; /* target address */ @@ -2813,7 +2799,8 @@ struct in6_rtmsg32 { s32 rtmsg_ifindex; }; -static int routing_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg) +static int routing_ioctl(struct net *net, struct socket *sock, + unsigned int cmd, void __user *argp) { int ret; void *r = NULL; @@ -2823,10 +2810,8 @@ static int routing_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg) u32 rtdev; mm_segment_t old_fs = get_fs(); - struct socket *mysock = sockfd_lookup(fd, &ret); - - if (mysock && mysock->sk && mysock->sk->sk_family == AF_INET6) { /* ipv6 */ - struct in6_rtmsg32 __user *ur6 = compat_ptr(arg); + if (sock && sock->sk && sock->sk->sk_family == AF_INET6) { /* ipv6 */ + struct in6_rtmsg32 __user *ur6 = argp; ret = copy_from_user (&r6.rtmsg_dst, &(ur6->rtmsg_dst), 3 * sizeof(struct in6_addr)); ret |= __get_user (r6.rtmsg_type, &(ur6->rtmsg_type)); @@ -2839,7 +2824,7 @@ static int routing_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg) r = (void *) &r6; } else { /* ipv4 */ - struct rtentry32 __user *ur4 = compat_ptr(arg); + struct rtentry32 __user *ur4 = argp; ret = copy_from_user (&r4.rt_dst, &(ur4->rt_dst), 3 * sizeof(struct sockaddr)); ret |= __get_user (r4.rt_flags, &(ur4->rt_flags)); @@ -2863,13 +2848,10 @@ static int routing_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg) } set_fs (KERNEL_DS); - ret = sys_ioctl (fd, cmd, (unsigned long) r); + ret = sock_do_ioctl(net, sock, cmd, (unsigned long) r); set_fs (old_fs); out: - if (mysock) - sockfd_put(mysock); - return ret; } @@ -2877,304 +2859,130 @@ out: * for some operations; this forces use of the newer bridge-utils that * use compatiable ioctls */ -static int old_bridge_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg) +static int old_bridge_ioctl(compat_ulong_t __user *argp) { - u32 tmp; + compat_ulong_t tmp; - if (get_user(tmp, (u32 __user *) arg)) + if (get_user(tmp, argp)) return -EFAULT; if (tmp == BRCTL_GET_VERSION) return BRCTL_VERSION + 1; return -EINVAL; } -struct atmif_sioc32 { - compat_int_t number; - compat_int_t length; - compat_caddr_t arg; -}; - -struct atm_iobuf32 { - compat_int_t length; - compat_caddr_t buffer; -}; - -#define ATM_GETLINKRATE32 _IOW('a', ATMIOC_ITF+1, struct atmif_sioc32) -#define ATM_GETNAMES32 _IOW('a', ATMIOC_ITF+3, struct atm_iobuf32) -#define ATM_GETTYPE32 _IOW('a', ATMIOC_ITF+4, struct atmif_sioc32) -#define ATM_GETESI32 _IOW('a', ATMIOC_ITF+5, struct atmif_sioc32) -#define ATM_GETADDR32 _IOW('a', ATMIOC_ITF+6, struct atmif_sioc32) -#define ATM_RSTADDR32 _IOW('a', ATMIOC_ITF+7, struct atmif_sioc32) -#define ATM_ADDADDR32 _IOW('a', ATMIOC_ITF+8, struct atmif_sioc32) -#define ATM_DELADDR32 _IOW('a', ATMIOC_ITF+9, struct atmif_sioc32) -#define ATM_GETCIRANGE32 _IOW('a', ATMIOC_ITF+10, struct atmif_sioc32) -#define ATM_SETCIRANGE32 _IOW('a', ATMIOC_ITF+11, struct atmif_sioc32) -#define ATM_SETESI32 _IOW('a', ATMIOC_ITF+12, struct atmif_sioc32) -#define ATM_SETESIF32 _IOW('a', ATMIOC_ITF+13, struct atmif_sioc32) -#define ATM_GETSTAT32 _IOW('a', ATMIOC_SARCOM+0, struct atmif_sioc32) -#define ATM_GETSTATZ32 _IOW('a', ATMIOC_SARCOM+1, struct atmif_sioc32) -#define ATM_GETLOOP32 _IOW('a', ATMIOC_SARCOM+2, struct atmif_sioc32) -#define ATM_SETLOOP32 _IOW('a', ATMIOC_SARCOM+3, struct atmif_sioc32) -#define ATM_QUERYLOOP32 _IOW('a', ATMIOC_SARCOM+4, struct atmif_sioc32) - -static struct { - unsigned int cmd32; - unsigned int cmd; -} atm_ioctl_map[] = { - { ATM_GETLINKRATE32, ATM_GETLINKRATE }, - { ATM_GETNAMES32, ATM_GETNAMES }, - { ATM_GETTYPE32, ATM_GETTYPE }, - { ATM_GETESI32, ATM_GETESI }, - { ATM_GETADDR32, ATM_GETADDR }, - { ATM_RSTADDR32, ATM_RSTADDR }, - { ATM_ADDADDR32, ATM_ADDADDR }, - { ATM_DELADDR32, ATM_DELADDR }, - { ATM_GETCIRANGE32, ATM_GETCIRANGE }, - { ATM_SETCIRANGE32, ATM_SETCIRANGE }, - { ATM_SETESI32, ATM_SETESI }, - { ATM_SETESIF32, ATM_SETESIF }, - { ATM_GETSTAT32, ATM_GETSTAT }, - { ATM_GETSTATZ32, ATM_GETSTATZ }, - { ATM_GETLOOP32, ATM_GETLOOP }, - { ATM_SETLOOP32, ATM_SETLOOP }, - { ATM_QUERYLOOP32, ATM_QUERYLOOP } -}; - -#define NR_ATM_IOCTL ARRAY_SIZE(atm_ioctl_map) - -static int do_atm_iobuf(unsigned int fd, unsigned int cmd, unsigned long arg) -{ - struct atm_iobuf __user *iobuf; - struct atm_iobuf32 __user *iobuf32; - u32 data; - void __user *datap; - int len, err; - - iobuf = compat_alloc_user_space(sizeof(*iobuf)); - iobuf32 = compat_ptr(arg); - - if (get_user(len, &iobuf32->length) || - get_user(data, &iobuf32->buffer)) - return -EFAULT; - datap = compat_ptr(data); - if (put_user(len, &iobuf->length) || - put_user(datap, &iobuf->buffer)) - return -EFAULT; - - err = sys_ioctl(fd, cmd, (unsigned long)iobuf); - - if (!err) { - if (copy_in_user(&iobuf32->length, &iobuf->length, - sizeof(int))) - err = -EFAULT; - } - - return err; -} - -static int do_atmif_sioc(unsigned int fd, unsigned int cmd, unsigned long arg) +static int compat_sock_ioctl_trans(struct file *file, struct socket *sock, + unsigned int cmd, unsigned long arg) { - struct atmif_sioc __user *sioc; - struct atmif_sioc32 __user *sioc32; - u32 data; - void __user *datap; - int err; - - sioc = compat_alloc_user_space(sizeof(*sioc)); - sioc32 = compat_ptr(arg); - - if (copy_in_user(&sioc->number, &sioc32->number, 2 * sizeof(int)) || - get_user(data, &sioc32->arg)) - return -EFAULT; - datap = compat_ptr(data); - if (put_user(datap, &sioc->arg)) - return -EFAULT; - - err = sys_ioctl(fd, cmd, (unsigned long) sioc); + void __user *argp = compat_ptr(arg); + struct sock *sk = sock->sk; + struct net *net = sock_net(sk); - if (!err) { - if (copy_in_user(&sioc32->length, &sioc->length, - sizeof(int))) - err = -EFAULT; - } - return err; -} + if (cmd >= SIOCDEVPRIVATE && cmd <= (SIOCDEVPRIVATE + 15)) + return siocdevprivate_ioctl(net, cmd, argp); -static int do_atm_ioctl(unsigned int fd, unsigned int cmd32, unsigned long arg) -{ - int i; - unsigned int cmd = 0; - - switch (cmd32) { - case SONET_GETSTAT: - case SONET_GETSTATZ: - case SONET_GETDIAG: - case SONET_SETDIAG: - case SONET_CLRDIAG: - case SONET_SETFRAMING: - case SONET_GETFRAMING: - case SONET_GETFRSENSE: - return do_atmif_sioc(fd, cmd32, arg); + switch (cmd) { + case SIOCSIFBR: + case SIOCGIFBR: + return old_bridge_ioctl(argp); + case SIOCGIFNAME: + return dev_ifname32(net, argp); + case SIOCGIFCONF: + return dev_ifconf(net, argp); + case SIOCETHTOOL: + return ethtool_ioctl(net, argp); + case SIOCWANDEV: + return compat_siocwandev(net, argp); + case SIOCGIFMAP: + case SIOCSIFMAP: + return compat_sioc_ifmap(net, cmd, argp); + case SIOCBONDENSLAVE: + case SIOCBONDRELEASE: + case SIOCBONDSETHWADDR: + case SIOCBONDSLAVEINFOQUERY: + case SIOCBONDINFOQUERY: + case SIOCBONDCHANGEACTIVE: + return bond_ioctl(net, cmd, argp); + case SIOCADDRT: + case SIOCDELRT: + return routing_ioctl(net, sock, cmd, argp); + case SIOCGSTAMP: + return do_siocgstamp(net, sock, cmd, argp); + case SIOCGSTAMPNS: + return do_siocgstampns(net, sock, cmd, argp); + case SIOCSHWTSTAMP: + return compat_siocshwtstamp(net, argp); + + case FIOSETOWN: + case SIOCSPGRP: + case FIOGETOWN: + case SIOCGPGRP: + case SIOCBRADDBR: + case SIOCBRDELBR: + case SIOCGIFVLAN: + case SIOCSIFVLAN: + case SIOCADDDLCI: + case SIOCDELDLCI: + return sock_ioctl(file, cmd, arg); + + case SIOCGIFFLAGS: + case SIOCSIFFLAGS: + case SIOCGIFMETRIC: + case SIOCSIFMETRIC: + case SIOCGIFMTU: + case SIOCSIFMTU: + case SIOCGIFMEM: + case SIOCSIFMEM: + case SIOCGIFHWADDR: + case SIOCSIFHWADDR: + case SIOCADDMULTI: + case SIOCDELMULTI: + case SIOCGIFINDEX: + case SIOCGIFADDR: + case SIOCSIFADDR: + case SIOCSIFHWBROADCAST: + case SIOCDIFADDR: + case SIOCGIFBRDADDR: + case SIOCSIFBRDADDR: + case SIOCGIFDSTADDR: + case SIOCSIFDSTADDR: + case SIOCGIFNETMASK: + case SIOCSIFNETMASK: + case SIOCSIFPFLAGS: + case SIOCGIFPFLAGS: + case SIOCGIFTXQLEN: + case SIOCSIFTXQLEN: + case SIOCBRADDIF: + case SIOCBRDELIF: + case SIOCSIFNAME: + case SIOCGMIIPHY: + case SIOCGMIIREG: + case SIOCSMIIREG: + return dev_ifsioc(net, sock, cmd, argp); + + case SIOCSARP: + case SIOCGARP: + case SIOCDARP: + case SIOCATMARK: + return sock_do_ioctl(net, sock, cmd, arg); } - for (i = 0; i < NR_ATM_IOCTL; i++) { - if (cmd32 == atm_ioctl_map[i].cmd32) { - cmd = atm_ioctl_map[i].cmd; - break; - } - } - if (i == NR_ATM_IOCTL) - return -EINVAL; - - switch (cmd) { - case ATM_GETNAMES: - return do_atm_iobuf(fd, cmd, arg); - - case ATM_GETLINKRATE: - case ATM_GETTYPE: - case ATM_GETESI: - case ATM_GETADDR: - case ATM_RSTADDR: - case ATM_ADDADDR: - case ATM_DELADDR: - case ATM_GETCIRANGE: - case ATM_SETCIRANGE: - case ATM_SETESI: - case ATM_SETESIF: - case ATM_GETSTAT: - case ATM_GETSTATZ: - case ATM_GETLOOP: - case ATM_SETLOOP: - case ATM_QUERYLOOP: - return do_atmif_sioc(fd, cmd, arg); + /* Prevent warning from compat_sys_ioctl, these always + * result in -EINVAL in the native case anyway. */ + switch (cmd) { + case SIOCRTMSG: + case SIOCGIFCOUNT: + case SIOCSRARP: + case SIOCGRARP: + case SIOCDRARP: + case SIOCSIFLINK: + case SIOCGIFSLAVE: + case SIOCSIFSLAVE: + return -EINVAL; } - return -EINVAL; + return -ENOIOCTLCMD; } - -/* bridge */ -HANDLE_IOCTL(SIOCSIFBR, old_bridge_ioctl) -HANDLE_IOCTL(SIOCGIFBR, old_bridge_ioctl) -#ifdef CONFIG_NET -HANDLE_IOCTL(SIOCGIFNAME, dev_ifname32) -HANDLE_IOCTL(SIOCGIFCONF, dev_ifconf) -HANDLE_IOCTL(SIOCGIFFLAGS, dev_ifsioc) -HANDLE_IOCTL(SIOCSIFFLAGS, dev_ifsioc) -HANDLE_IOCTL(SIOCGIFMETRIC, dev_ifsioc) -HANDLE_IOCTL(SIOCSIFMETRIC, dev_ifsioc) -HANDLE_IOCTL(SIOCGIFMTU, dev_ifsioc) -HANDLE_IOCTL(SIOCSIFMTU, dev_ifsioc) -HANDLE_IOCTL(SIOCGIFMEM, dev_ifsioc) -HANDLE_IOCTL(SIOCSIFMEM, dev_ifsioc) -HANDLE_IOCTL(SIOCGIFHWADDR, dev_ifsioc) -HANDLE_IOCTL(SIOCSIFHWADDR, dev_ifsioc) -HANDLE_IOCTL(SIOCADDMULTI, dev_ifsioc) -HANDLE_IOCTL(SIOCDELMULTI, dev_ifsioc) -HANDLE_IOCTL(SIOCGIFINDEX, dev_ifsioc) -HANDLE_IOCTL(SIOCGIFMAP, dev_ifsioc) -HANDLE_IOCTL(SIOCSIFMAP, dev_ifsioc) -HANDLE_IOCTL(SIOCGIFADDR, dev_ifsioc) -HANDLE_IOCTL(SIOCSIFADDR, dev_ifsioc) -HANDLE_IOCTL(SIOCSIFHWBROADCAST, dev_ifsioc) -HANDLE_IOCTL(SIOCSHWTSTAMP, dev_ifsioc) - -HANDLE_IOCTL(SIOCDIFADDR, dev_ifsioc) -HANDLE_IOCTL(SIOCSARP, dev_ifsioc) -HANDLE_IOCTL(SIOCDARP, dev_ifsioc) - -HANDLE_IOCTL(SIOCGIFBRDADDR, dev_ifsioc) -HANDLE_IOCTL(SIOCSIFBRDADDR, dev_ifsioc) -HANDLE_IOCTL(SIOCGIFDSTADDR, dev_ifsioc) -HANDLE_IOCTL(SIOCSIFDSTADDR, dev_ifsioc) -HANDLE_IOCTL(SIOCGIFNETMASK, dev_ifsioc) -HANDLE_IOCTL(SIOCSIFNETMASK, dev_ifsioc) -HANDLE_IOCTL(SIOCSIFPFLAGS, dev_ifsioc) -HANDLE_IOCTL(SIOCGIFPFLAGS, dev_ifsioc) -HANDLE_IOCTL(SIOCGIFTXQLEN, dev_ifsioc) -HANDLE_IOCTL(SIOCSIFTXQLEN, dev_ifsioc) -HANDLE_IOCTL(SIOCETHTOOL, ethtool_ioctl) -HANDLE_IOCTL(SIOCBONDENSLAVE, bond_ioctl) -HANDLE_IOCTL(SIOCBONDRELEASE, bond_ioctl) -HANDLE_IOCTL(SIOCBONDSETHWADDR, bond_ioctl) -HANDLE_IOCTL(SIOCBONDSLAVEINFOQUERY, bond_ioctl) -HANDLE_IOCTL(SIOCBONDINFOQUERY, bond_ioctl) -HANDLE_IOCTL(SIOCBONDCHANGEACTIVE, bond_ioctl) -HANDLE_IOCTL(SIOCADDRT, routing_ioctl) -HANDLE_IOCTL(SIOCDELRT, routing_ioctl) -HANDLE_IOCTL(SIOCBRADDIF, dev_ifsioc) -HANDLE_IOCTL(SIOCBRDELIF, dev_ifsioc) -/* Note SIOCRTMSG is no longer, so this is safe and * the user would have seen just an -EINVAL anyways. */ -HANDLE_IOCTL(SIOCRTMSG, ret_einval) -HANDLE_IOCTL(SIOCGSTAMP, do_siocgstamp) -HANDLE_IOCTL(SIOCGSTAMPNS, do_siocgstampns) -#endif -IGNORE_IOCTL(SIOCGIFCOUNT) -/* Little a */ -COMPATIBLE_IOCTL(ATMSIGD_CTRL) -COMPATIBLE_IOCTL(ATMARPD_CTRL) -COMPATIBLE_IOCTL(ATMLEC_CTRL) -COMPATIBLE_IOCTL(ATMLEC_MCAST) -COMPATIBLE_IOCTL(ATMLEC_DATA) -COMPATIBLE_IOCTL(ATM_SETSC) -COMPATIBLE_IOCTL(SIOCSIFATMTCP) -COMPATIBLE_IOCTL(SIOCMKCLIP) -COMPATIBLE_IOCTL(ATMARP_MKIP) -COMPATIBLE_IOCTL(ATMARP_SETENTRY) -COMPATIBLE_IOCTL(ATMARP_ENCAP) -COMPATIBLE_IOCTL(ATMTCP_CREATE) -COMPATIBLE_IOCTL(ATMTCP_REMOVE) -COMPATIBLE_IOCTL(ATMMPC_CTRL) -COMPATIBLE_IOCTL(ATMMPC_DATA) -HANDLE_IOCTL(ATM_GETLINKRATE32, do_atm_ioctl) -HANDLE_IOCTL(ATM_GETNAMES32, do_atm_ioctl) -HANDLE_IOCTL(ATM_GETTYPE32, do_atm_ioctl) -HANDLE_IOCTL(ATM_GETESI32, do_atm_ioctl) -HANDLE_IOCTL(ATM_GETADDR32, do_atm_ioctl) -HANDLE_IOCTL(ATM_RSTADDR32, do_atm_ioctl) -HANDLE_IOCTL(ATM_ADDADDR32, do_atm_ioctl) -HANDLE_IOCTL(ATM_DELADDR32, do_atm_ioctl) -HANDLE_IOCTL(ATM_GETCIRANGE32, do_atm_ioctl) -HANDLE_IOCTL(ATM_SETCIRANGE32, do_atm_ioctl) -HANDLE_IOCTL(ATM_SETESI32, do_atm_ioctl) -HANDLE_IOCTL(ATM_SETESIF32, do_atm_ioctl) -HANDLE_IOCTL(ATM_GETSTAT32, do_atm_ioctl) -HANDLE_IOCTL(ATM_GETSTATZ32, do_atm_ioctl) -HANDLE_IOCTL(ATM_GETLOOP32, do_atm_ioctl) -HANDLE_IOCTL(ATM_SETLOOP32, do_atm_ioctl) -HANDLE_IOCTL(ATM_QUERYLOOP32, do_atm_ioctl) -HANDLE_IOCTL(SONET_GETSTAT, do_atm_ioctl) -HANDLE_IOCTL(SONET_GETSTATZ, do_atm_ioctl) -HANDLE_IOCTL(SONET_GETDIAG, do_atm_ioctl) -HANDLE_IOCTL(SONET_SETDIAG, do_atm_ioctl) -HANDLE_IOCTL(SONET_CLRDIAG, do_atm_ioctl) -HANDLE_IOCTL(SONET_SETFRAMING, do_atm_ioctl) -HANDLE_IOCTL(SONET_GETFRAMING, do_atm_ioctl) -HANDLE_IOCTL(SONET_GETFRSENSE, do_atm_ioctl) -COMPATIBLE_IOCTL(FIOSETOWN) -COMPATIBLE_IOCTL(SIOCSPGRP) -COMPATIBLE_IOCTL(FIOGETOWN) -COMPATIBLE_IOCTL(SIOCGPGRP) -COMPATIBLE_IOCTL(SIOCATMARK) -COMPATIBLE_IOCTL(SIOCSIFLINK) -COMPATIBLE_IOCTL(SIOCSIFNAME) -COMPATIBLE_IOCTL(SIOCSARP) -COMPATIBLE_IOCTL(SIOCGARP) -COMPATIBLE_IOCTL(SIOCDARP) -COMPATIBLE_IOCTL(SIOCSRARP) -COMPATIBLE_IOCTL(SIOCGRARP) -COMPATIBLE_IOCTL(SIOCDRARP) -COMPATIBLE_IOCTL(SIOCADDDLCI) -COMPATIBLE_IOCTL(SIOCDELDLCI) -COMPATIBLE_IOCTL(SIOCGMIIPHY) -COMPATIBLE_IOCTL(SIOCGMIIREG) -COMPATIBLE_IOCTL(SIOCSMIIREG) -COMPATIBLE_IOCTL(SIOCGIFVLAN) -COMPATIBLE_IOCTL(SIOCSIFVLAN) -COMPATIBLE_IOCTL(SIOCBRADDBR) -COMPATIBLE_IOCTL(SIOCBRDELBR) -#endif - static long compat_sock_ioctl(struct file *file, unsigned cmd, unsigned long arg) { @@ -3193,6 +3001,9 @@ static long compat_sock_ioctl(struct file *file, unsigned cmd, (cmd >= SIOCIWFIRST && cmd <= SIOCIWLAST)) ret = compat_wext_handle_ioctl(net, cmd, arg); + if (ret == -ENOIOCTLCMD) + ret = compat_sock_ioctl_trans(file, sock, cmd, arg); + return ret; } #endif