#include <linux/if_tun.h>
#include <linux/ipv6_route.h>
#include <linux/route.h>
-#include <linux/atmdev.h>
-#include <linux/atmarp.h>
-#include <linux/atmsvc.h>
-#include <linux/atmlec.h>
-#include <linux/atmclip.h>
-#include <linux/atmmpc.h>
-#include <linux/atm_tcp.h>
-#include <linux/sonet.h>
#include <linux/sockios.h>
#include <linux/atalk.h>
.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().
*/
}
static const struct dentry_operations sockfs_dentry_operations = {
- .d_delete = sockfs_delete_dentry,
.d_dname = sockfs_dname,
};
* 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();
+ if (unlikely(fd < 0))
+ return fd;
- *filep = file;
- if (unlikely(!file)) {
- put_unused_fd(fd);
- return -ENFILE;
- }
- } else
- *filep = NULL;
- 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;
}
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);
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;
}
/*
*/
__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;
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);
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;
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;
if (timeout) {
static int dev_ifsioc(struct net *net, struct socket *sock,
unsigned int cmd, struct compat_ifreq __user *uifr32)
{
- struct ifreq ifr;
- struct compat_ifmap __user *uifmap32;
- mm_segment_t old_fs;
+ struct ifreq __user *uifr;
int err;
- 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 = sock_do_ioctl(net, sock, 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:
case SIOCGIFTXQLEN:
case SIOCGMIIPHY:
case SIOCGMIIREG:
- 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)
+ if (copy_in_user(uifr32, uifr, sizeof(*uifr32)))
err = -EFAULT;
break;
}
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 */
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(struct net *net, struct socket *sock,
- 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 = sock_do_ioctl(net, sock, 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(struct net *net, 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 = sock_do_ioctl(net, sock, cmd, (unsigned long) sioc);
-
- if (!err) {
- if (copy_in_user(&sioc32->length, &sioc->length,
- sizeof(int)))
- err = -EFAULT;
- }
- return err;
-}
-
-static int do_atm_ioctl(struct net *net, struct socket *sock,
- 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(net, sock, cmd32, 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(net, sock, 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(net, sock, cmd, arg);
- }
-
- return -EINVAL;
-}
-
static int compat_sock_ioctl_trans(struct file *file, struct socket *sock,
unsigned int cmd, unsigned long arg)
{
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:
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 SIOCADDMULTI:
case SIOCDELMULTI:
case SIOCGIFINDEX:
- case SIOCGIFMAP:
- case SIOCSIFMAP:
case SIOCGIFADDR:
case SIOCSIFADDR:
case SIOCSIFHWBROADCAST:
- case SIOCSHWTSTAMP:
case SIOCDIFADDR:
case SIOCGIFBRDADDR:
case SIOCSIFBRDADDR:
case SIOCSMIIREG:
return dev_ifsioc(net, sock, cmd, argp);
- case ATM_GETLINKRATE32:
- case ATM_GETNAMES32:
- case ATM_GETTYPE32:
- case ATM_GETESI32:
- case ATM_GETADDR32:
- case ATM_RSTADDR32:
- case ATM_ADDADDR32:
- case ATM_DELADDR32:
- case ATM_GETCIRANGE32:
- case ATM_SETCIRANGE32:
- case ATM_SETESI32:
- case ATM_SETESIF32:
- case ATM_GETSTAT32:
- case ATM_GETSTATZ32:
- case ATM_GETLOOP32:
- case ATM_SETLOOP32:
- case ATM_QUERYLOOP32:
- 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_atm_ioctl(net, sock, cmd, arg);
-
- case ATMSIGD_CTRL:
- case ATMARPD_CTRL:
- case ATMLEC_CTRL:
- case ATMLEC_MCAST:
- case ATMLEC_DATA:
- case ATM_SETSC:
- case SIOCSIFATMTCP:
- case SIOCMKCLIP:
- case ATMARP_MKIP:
- case ATMARP_SETENTRY:
- case ATMARP_ENCAP:
- case ATMTCP_CREATE:
- case ATMTCP_REMOVE:
- case ATMMPC_CTRL:
- case ATMMPC_DATA:
-
case SIOCSARP:
case SIOCGARP:
case SIOCDARP:
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff