static void
ncp_put_super(struct super_block *sb)
{
struct ncp_server *server = NCP_SBP(sb);
lock_super(sb);
ncp_lock_server(server);
ncp_disconnect(server);
ncp_unlock_server(server);
close_fp(server->ncp_filp);
ncp_dont_catch_watchdog(server);
close_fp(server->wdog_filp);
close_fp(server->msg_filp);
ncp_free_all_inodes(server);
ncp_kfree_s(server->packet, server->packet_size);
sb->s_dev = 0;
ncp_kfree_s(NCP_SBP(sb), sizeof(struct ncp_server));
NCP_SBP(sb) = NULL;
unlock_super(sb);
MOD_DEC_USE_COUNT;
}
static void ncp_put_super(struct super_block *sb)
{
struct ncp_server *server = NCP_SBP(sb);
ncp_lock_server(server);
ncp_disconnect(server);
ncp_unlock_server(server);
fput(server->ncp_filp);
kill_proc(server->m.wdog_pid, SIGTERM, 1);
if (server->priv.data)
ncp_kfree_s(server->priv.data, server->priv.len);
if (server->auth.object_name)
ncp_kfree_s(server->auth.object_name, server->auth.object_name_len);
ncp_kfree_s(server->packet, server->packet_size);
ncp_kfree_s(NCP_SBP(sb), sizeof(struct ncp_server));
MOD_DEC_USE_COUNT;
}
struct super_block *
ncp_read_super(struct super_block *sb, void *raw_data, int silent)
{
struct ncp_mount_data *data = (struct ncp_mount_data *) raw_data;
struct ncp_server *server;
struct file *ncp_filp;
struct file *wdog_filp;
struct file *msg_filp;
kdev_t dev = sb->s_dev;
int error;
if (data == NULL)
{
printk("ncp_read_super: missing data argument\n");
sb->s_dev = 0;
return NULL;
}
if (data->version != NCP_MOUNT_VERSION)
{
printk("ncp warning: mount version %s than kernel\n",
(data->version < NCP_MOUNT_VERSION) ?
"older" : "newer");
sb->s_dev = 0;
return NULL;
}
if ( (data->ncp_fd >= NR_OPEN)
|| ((ncp_filp = current->files->fd[data->ncp_fd]) == NULL)
|| (!S_ISSOCK(ncp_filp->f_inode->i_mode)))
{
printk("ncp_read_super: invalid ncp socket\n");
sb->s_dev = 0;
return NULL;
}
if ( (data->wdog_fd >= NR_OPEN)
|| ((wdog_filp = current->files->fd[data->wdog_fd]) == NULL)
|| (!S_ISSOCK(wdog_filp->f_inode->i_mode)))
{
printk("ncp_read_super: invalid wdog socket\n");
sb->s_dev = 0;
return NULL;
}
if ( (data->message_fd >= NR_OPEN)
|| ((msg_filp = current->files->fd[data->message_fd]) == NULL)
|| (!S_ISSOCK(msg_filp->f_inode->i_mode)))
{
printk("ncp_read_super: invalid wdog socket\n");
sb->s_dev = 0;
return NULL;
}
/* We must malloc our own super-block info */
server = (struct ncp_server *)ncp_kmalloc(sizeof(struct ncp_server),
GFP_KERNEL);
if (server == NULL)
{
printk("ncp_read_super: could not alloc ncp_server\n");
return NULL;
}
ncp_filp->f_count += 1;
wdog_filp->f_count += 1;
msg_filp->f_count += 1;
lock_super(sb);
NCP_SBP(sb) = server;
sb->s_blocksize = 1024; /* Eh... Is this correct? */
sb->s_blocksize_bits = 10;
sb->s_magic = NCP_SUPER_MAGIC;
sb->s_dev = dev;
sb->s_op = &ncp_sops;
server->ncp_filp = ncp_filp;
server->wdog_filp = wdog_filp;
server->msg_filp = msg_filp;
server->lock = 0;
server->wait = NULL;
server->packet = NULL;
server->buffer_size = 0;
server->conn_status = 0;
server->m = *data;
server->m.file_mode = (server->m.file_mode &
(S_IRWXU|S_IRWXG|S_IRWXO)) | S_IFREG;
server->m.dir_mode = (server->m.dir_mode &
(S_IRWXU|S_IRWXG|S_IRWXO)) | S_IFDIR;
/* protect against invalid mount points */
server->m.mount_point[sizeof(server->m.mount_point)-1] = '\0';
server->packet_size = NCP_PACKET_SIZE;
server->packet = ncp_kmalloc(NCP_PACKET_SIZE, GFP_KERNEL);
if (server->packet == NULL)
{
printk("ncpfs: could not alloc packet\n");
error = -ENOMEM;
unlock_super(sb);
goto fail;
}
/*
* Make the connection to the server
*/
if (ncp_catch_watchdog(server) != 0)
{
printk("ncp_read_super: Could not catch watchdog\n");
error = -EINVAL;
unlock_super(sb);
goto fail;
}
if (ncp_catch_message(server) != 0)
{
printk("ncp_read_super: Could not catch messages\n");
ncp_dont_catch_watchdog(server);
error = -EINVAL;
unlock_super(sb);
goto fail;
}
ncp_lock_server(server);
error = ncp_connect(server);
ncp_unlock_server(server);
unlock_super(sb);
if (error < 0)
{
sb->s_dev = 0;
printk("ncp_read_super: Failed connection, bailing out "
"(error = %d).\n", -error);
ncp_kfree_s(server->packet, server->packet_size);
ncp_dont_catch_watchdog(server);
goto fail;
}
DPRINTK("ncp_read_super: NCP_SBP(sb) = %x\n", (int)NCP_SBP(sb));
ncp_init_root(server);
if (!(sb->s_mounted = iget(sb, ncp_info_ino(server, &(server->root)))))
{
sb->s_dev = 0;
printk("ncp_read_super: get root inode failed\n");
goto disconnect;
}
if (ncp_negotiate_buffersize(server, NCP_DEFAULT_BUFSIZE,
&(server->buffer_size)) != 0)
{
sb->s_dev = 0;
printk("ncp_read_super: could not get bufsize\n");
goto disconnect;
}
DPRINTK("ncpfs: bufsize = %d\n", server->buffer_size);
MOD_INC_USE_COUNT;
return sb;
disconnect:
ncp_lock_server(server);
ncp_disconnect(server);
ncp_unlock_server(server);
ncp_kfree_s(server->packet, server->packet_size);
ncp_dont_catch_watchdog(server);
fail:
ncp_filp->f_count -= 1;
wdog_filp->f_count -= 1;
msg_filp->f_count -= 1;
ncp_kfree_s(NCP_SBP(sb), sizeof(struct ncp_server));
return NULL;
}
struct super_block *
ncp_read_super(struct super_block *sb, void *raw_data, int silent)
{
struct ncp_mount_data *data = (struct ncp_mount_data *) raw_data;
struct ncp_server *server;
struct file *ncp_filp;
struct inode *root_inode;
kdev_t dev = sb->s_dev;
int error;
#ifdef CONFIG_NCPFS_PACKET_SIGNING
int options;
#endif
struct ncpfs_inode_info finfo;
MOD_INC_USE_COUNT;
if (data == NULL)
goto out_no_data;
if (data->version != NCP_MOUNT_VERSION)
goto out_bad_mount;
ncp_filp = fget(data->ncp_fd);
if (!ncp_filp)
goto out_bad_file;
if (!S_ISSOCK(ncp_filp->f_dentry->d_inode->i_mode))
goto out_bad_file2;
lock_super(sb);
sb->s_blocksize = 1024; /* Eh... Is this correct? */
sb->s_blocksize_bits = 10;
sb->s_magic = NCP_SUPER_MAGIC;
sb->s_dev = dev;
sb->s_op = &ncp_sops;
/* We must malloc our own super-block info */
server = (struct ncp_server *) ncp_kmalloc(sizeof(struct ncp_server),
GFP_KERNEL);
if (server == NULL)
goto out_no_server;
NCP_SBP(sb) = server;
server->ncp_filp = ncp_filp;
server->lock = 0;
server->wait = NULL;
server->packet = NULL;
server->buffer_size = 0;
server->conn_status = 0;
server->root_dentry = NULL;
server->root_setuped = 0;
#ifdef CONFIG_NCPFS_PACKET_SIGNING
server->sign_wanted = 0;
server->sign_active = 0;
#endif
server->auth.auth_type = NCP_AUTH_NONE;
server->auth.object_name_len = 0;
server->auth.object_name = NULL;
server->auth.object_type = 0;
server->priv.len = 0;
server->priv.data = NULL;
server->m = *data;
/* Althought anything producing this is buggy, it happens
now because of PATH_MAX changes.. */
if (server->m.time_out < 10) {
server->m.time_out = 10;
printk(KERN_INFO "You need to recompile your ncpfs utils..\n");
}
server->m.file_mode = (server->m.file_mode &
(S_IRWXU | S_IRWXG | S_IRWXO)) | S_IFREG;
server->m.dir_mode = (server->m.dir_mode &
(S_IRWXU | S_IRWXG | S_IRWXO)) | S_IFDIR;
server->packet_size = NCP_PACKET_SIZE;
server->packet = ncp_kmalloc(NCP_PACKET_SIZE, GFP_KERNEL);
if (server->packet == NULL)
goto out_no_packet;
ncp_lock_server(server);
error = ncp_connect(server);
ncp_unlock_server(server);
if (error < 0)
goto out_no_connect;
DPRINTK(KERN_DEBUG "ncp_read_super: NCP_SBP(sb) = %x\n", (int) NCP_SBP(sb));
#ifdef CONFIG_NCPFS_PACKET_SIGNING
if (ncp_negotiate_size_and_options(server, NCP_DEFAULT_BUFSIZE,
NCP_DEFAULT_OPTIONS, &(server->buffer_size), &options) == 0)
{
if (options != NCP_DEFAULT_OPTIONS)
{
if (ncp_negotiate_size_and_options(server,
NCP_DEFAULT_BUFSIZE,
options & 2,
&(server->buffer_size), &options) != 0)
{
goto out_no_bufsize;
}
}
if (options & 2)
server->sign_wanted = 1;
}
else
#endif /* CONFIG_NCPFS_PACKET_SIGNING */
if (ncp_negotiate_buffersize(server, NCP_DEFAULT_BUFSIZE,
&(server->buffer_size)) != 0)
goto out_no_bufsize;
DPRINTK(KERN_DEBUG "ncpfs: bufsize = %d\n", server->buffer_size);
ncp_init_root(server, &finfo);
server->name_space[finfo.nw_info.i.volNumber] = NW_NS_DOS;
root_inode = ncp_iget(sb, &finfo);
if (!root_inode)
goto out_no_root;
DPRINTK(KERN_DEBUG "ncp_read_super: root vol=%d\n", NCP_FINFO(root_inode)->volNumber);
server->root_dentry = sb->s_root = d_alloc_root(root_inode, NULL);
if (!sb->s_root)
goto out_no_root;
server->root_dentry->d_op = &ncp_dentry_operations;
unlock_super(sb);
return sb;
out_no_root:
printk(KERN_ERR "ncp_read_super: get root inode failed\n");
iput(root_inode);
goto out_disconnect;
out_no_bufsize:
printk(KERN_ERR "ncp_read_super: could not get bufsize\n");
out_disconnect:
ncp_lock_server(server);
ncp_disconnect(server);
ncp_unlock_server(server);
goto out_free_packet;
out_no_connect:
printk(KERN_ERR "ncp_read_super: Failed connection, error=%d\n", error);
out_free_packet:
ncp_kfree_s(server->packet, server->packet_size);
goto out_free_server;
out_no_packet:
printk(KERN_ERR "ncp_read_super: could not alloc packet\n");
out_free_server:
ncp_kfree_s(NCP_SBP(sb), sizeof(struct ncp_server));
goto out_unlock;
out_no_server:
printk(KERN_ERR "ncp_read_super: could not alloc ncp_server\n");
out_unlock:
/* 23/12/1998 Marcin Dalecki <*****@*****.**>:
*
* The previously used put_filp(ncp_filp); was bogous, since
* it doesn't proper unlocking.
*/
fput(ncp_filp);
unlock_super(sb);
goto out;
out_bad_file2:
fput(ncp_filp);
out_bad_file:
printk(KERN_ERR "ncp_read_super: invalid ncp socket\n");
goto out;
out_bad_mount:
printk(KERN_INFO "ncp_read_super: kernel requires mount version %d\n",
NCP_MOUNT_VERSION);
goto out;
out_no_data:
printk(KERN_ERR "ncp_read_super: missing data argument\n");
out:
sb->s_dev = 0;
MOD_DEC_USE_COUNT;
return NULL;
}
