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author | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
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committer | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
commit | 871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch) | |
tree | 8718f573808810c2a1e8cb8fb6ac469093ca2784 /ANDROID_3.4.5/fs/ncpfs/inode.c | |
parent | 9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff) | |
download | FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.tar.gz FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.tar.bz2 FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.zip |
Moved, renamed, and deleted files
The original directory structure was scattered and unorganized.
Changes are basically to make it look like kernel structure.
Diffstat (limited to 'ANDROID_3.4.5/fs/ncpfs/inode.c')
-rw-r--r-- | ANDROID_3.4.5/fs/ncpfs/inode.c | 1068 |
1 files changed, 0 insertions, 1068 deletions
diff --git a/ANDROID_3.4.5/fs/ncpfs/inode.c b/ANDROID_3.4.5/fs/ncpfs/inode.c deleted file mode 100644 index 87484fb8..00000000 --- a/ANDROID_3.4.5/fs/ncpfs/inode.c +++ /dev/null @@ -1,1068 +0,0 @@ -/* - * inode.c - * - * Copyright (C) 1995, 1996 by Volker Lendecke - * Modified for big endian by J.F. Chadima and David S. Miller - * Modified 1997 Peter Waltenberg, Bill Hawes, David Woodhouse for 2.1 dcache - * Modified 1998 Wolfram Pienkoss for NLS - * Modified 2000 Ben Harris, University of Cambridge for NFS NS meta-info - * - */ - -#include <linux/module.h> - -#include <asm/uaccess.h> -#include <asm/byteorder.h> - -#include <linux/time.h> -#include <linux/kernel.h> -#include <linux/mm.h> -#include <linux/string.h> -#include <linux/stat.h> -#include <linux/errno.h> -#include <linux/file.h> -#include <linux/fcntl.h> -#include <linux/slab.h> -#include <linux/vmalloc.h> -#include <linux/init.h> -#include <linux/vfs.h> -#include <linux/mount.h> -#include <linux/seq_file.h> -#include <linux/namei.h> - -#include <net/sock.h> - -#include "ncp_fs.h" -#include "getopt.h" - -#define NCP_DEFAULT_FILE_MODE 0600 -#define NCP_DEFAULT_DIR_MODE 0700 -#define NCP_DEFAULT_TIME_OUT 10 -#define NCP_DEFAULT_RETRY_COUNT 20 - -static void ncp_evict_inode(struct inode *); -static void ncp_put_super(struct super_block *); -static int ncp_statfs(struct dentry *, struct kstatfs *); -static int ncp_show_options(struct seq_file *, struct dentry *); - -static struct kmem_cache * ncp_inode_cachep; - -static struct inode *ncp_alloc_inode(struct super_block *sb) -{ - struct ncp_inode_info *ei; - ei = (struct ncp_inode_info *)kmem_cache_alloc(ncp_inode_cachep, GFP_KERNEL); - if (!ei) - return NULL; - return &ei->vfs_inode; -} - -static void ncp_i_callback(struct rcu_head *head) -{ - struct inode *inode = container_of(head, struct inode, i_rcu); - kmem_cache_free(ncp_inode_cachep, NCP_FINFO(inode)); -} - -static void ncp_destroy_inode(struct inode *inode) -{ - call_rcu(&inode->i_rcu, ncp_i_callback); -} - -static void init_once(void *foo) -{ - struct ncp_inode_info *ei = (struct ncp_inode_info *) foo; - - mutex_init(&ei->open_mutex); - inode_init_once(&ei->vfs_inode); -} - -static int init_inodecache(void) -{ - ncp_inode_cachep = kmem_cache_create("ncp_inode_cache", - sizeof(struct ncp_inode_info), - 0, (SLAB_RECLAIM_ACCOUNT| - SLAB_MEM_SPREAD), - init_once); - if (ncp_inode_cachep == NULL) - return -ENOMEM; - return 0; -} - -static void destroy_inodecache(void) -{ - kmem_cache_destroy(ncp_inode_cachep); -} - -static int ncp_remount(struct super_block *sb, int *flags, char* data) -{ - *flags |= MS_NODIRATIME; - return 0; -} - -static const struct super_operations ncp_sops = -{ - .alloc_inode = ncp_alloc_inode, - .destroy_inode = ncp_destroy_inode, - .drop_inode = generic_delete_inode, - .evict_inode = ncp_evict_inode, - .put_super = ncp_put_super, - .statfs = ncp_statfs, - .remount_fs = ncp_remount, - .show_options = ncp_show_options, -}; - -/* - * Fill in the ncpfs-specific information in the inode. - */ -static void ncp_update_dirent(struct inode *inode, struct ncp_entry_info *nwinfo) -{ - NCP_FINFO(inode)->DosDirNum = nwinfo->i.DosDirNum; - NCP_FINFO(inode)->dirEntNum = nwinfo->i.dirEntNum; - NCP_FINFO(inode)->volNumber = nwinfo->volume; -} - -void ncp_update_inode(struct inode *inode, struct ncp_entry_info *nwinfo) -{ - ncp_update_dirent(inode, nwinfo); - NCP_FINFO(inode)->nwattr = nwinfo->i.attributes; - NCP_FINFO(inode)->access = nwinfo->access; - memcpy(NCP_FINFO(inode)->file_handle, nwinfo->file_handle, - sizeof(nwinfo->file_handle)); - DPRINTK("ncp_update_inode: updated %s, volnum=%d, dirent=%u\n", - nwinfo->i.entryName, NCP_FINFO(inode)->volNumber, - NCP_FINFO(inode)->dirEntNum); -} - -static void ncp_update_dates(struct inode *inode, struct nw_info_struct *nwi) -{ - /* NFS namespace mode overrides others if it's set. */ - DPRINTK(KERN_DEBUG "ncp_update_dates_and_mode: (%s) nfs.mode=0%o\n", - nwi->entryName, nwi->nfs.mode); - if (nwi->nfs.mode) { - /* XXX Security? */ - inode->i_mode = nwi->nfs.mode; - } - - inode->i_blocks = (i_size_read(inode) + NCP_BLOCK_SIZE - 1) >> NCP_BLOCK_SHIFT; - - inode->i_mtime.tv_sec = ncp_date_dos2unix(nwi->modifyTime, nwi->modifyDate); - inode->i_ctime.tv_sec = ncp_date_dos2unix(nwi->creationTime, nwi->creationDate); - inode->i_atime.tv_sec = ncp_date_dos2unix(0, nwi->lastAccessDate); - inode->i_atime.tv_nsec = 0; - inode->i_mtime.tv_nsec = 0; - inode->i_ctime.tv_nsec = 0; -} - -static void ncp_update_attrs(struct inode *inode, struct ncp_entry_info *nwinfo) -{ - struct nw_info_struct *nwi = &nwinfo->i; - struct ncp_server *server = NCP_SERVER(inode); - - if (nwi->attributes & aDIR) { - inode->i_mode = server->m.dir_mode; - /* for directories dataStreamSize seems to be some - Object ID ??? */ - i_size_write(inode, NCP_BLOCK_SIZE); - } else { - u32 size; - - inode->i_mode = server->m.file_mode; - size = le32_to_cpu(nwi->dataStreamSize); - i_size_write(inode, size); -#ifdef CONFIG_NCPFS_EXTRAS - if ((server->m.flags & (NCP_MOUNT_EXTRAS|NCP_MOUNT_SYMLINKS)) - && (nwi->attributes & aSHARED)) { - switch (nwi->attributes & (aHIDDEN|aSYSTEM)) { - case aHIDDEN: - if (server->m.flags & NCP_MOUNT_SYMLINKS) { - if (/* (size >= NCP_MIN_SYMLINK_SIZE) - && */ (size <= NCP_MAX_SYMLINK_SIZE)) { - inode->i_mode = (inode->i_mode & ~S_IFMT) | S_IFLNK; - NCP_FINFO(inode)->flags |= NCPI_KLUDGE_SYMLINK; - break; - } - } - /* FALLTHROUGH */ - case 0: - if (server->m.flags & NCP_MOUNT_EXTRAS) - inode->i_mode |= S_IRUGO; - break; - case aSYSTEM: - if (server->m.flags & NCP_MOUNT_EXTRAS) - inode->i_mode |= (inode->i_mode >> 2) & S_IXUGO; - break; - /* case aSYSTEM|aHIDDEN: */ - default: - /* reserved combination */ - break; - } - } -#endif - } - if (nwi->attributes & aRONLY) inode->i_mode &= ~S_IWUGO; -} - -void ncp_update_inode2(struct inode* inode, struct ncp_entry_info *nwinfo) -{ - NCP_FINFO(inode)->flags = 0; - if (!atomic_read(&NCP_FINFO(inode)->opened)) { - NCP_FINFO(inode)->nwattr = nwinfo->i.attributes; - ncp_update_attrs(inode, nwinfo); - } - - ncp_update_dates(inode, &nwinfo->i); - ncp_update_dirent(inode, nwinfo); -} - -/* - * Fill in the inode based on the ncp_entry_info structure. Used only for brand new inodes. - */ -static void ncp_set_attr(struct inode *inode, struct ncp_entry_info *nwinfo) -{ - struct ncp_server *server = NCP_SERVER(inode); - - NCP_FINFO(inode)->flags = 0; - - ncp_update_attrs(inode, nwinfo); - - DDPRINTK("ncp_read_inode: inode->i_mode = %u\n", inode->i_mode); - - set_nlink(inode, 1); - inode->i_uid = server->m.uid; - inode->i_gid = server->m.gid; - - ncp_update_dates(inode, &nwinfo->i); - ncp_update_inode(inode, nwinfo); -} - -#if defined(CONFIG_NCPFS_EXTRAS) || defined(CONFIG_NCPFS_NFS_NS) -static const struct inode_operations ncp_symlink_inode_operations = { - .readlink = generic_readlink, - .follow_link = page_follow_link_light, - .put_link = page_put_link, - .setattr = ncp_notify_change, -}; -#endif - -/* - * Get a new inode. - */ -struct inode * -ncp_iget(struct super_block *sb, struct ncp_entry_info *info) -{ - struct inode *inode; - - if (info == NULL) { - printk(KERN_ERR "ncp_iget: info is NULL\n"); - return NULL; - } - - inode = new_inode(sb); - if (inode) { - atomic_set(&NCP_FINFO(inode)->opened, info->opened); - - inode->i_mapping->backing_dev_info = sb->s_bdi; - inode->i_ino = info->ino; - ncp_set_attr(inode, info); - if (S_ISREG(inode->i_mode)) { - inode->i_op = &ncp_file_inode_operations; - inode->i_fop = &ncp_file_operations; - } else if (S_ISDIR(inode->i_mode)) { - inode->i_op = &ncp_dir_inode_operations; - inode->i_fop = &ncp_dir_operations; -#ifdef CONFIG_NCPFS_NFS_NS - } else if (S_ISCHR(inode->i_mode) || S_ISBLK(inode->i_mode) || S_ISFIFO(inode->i_mode) || S_ISSOCK(inode->i_mode)) { - init_special_inode(inode, inode->i_mode, - new_decode_dev(info->i.nfs.rdev)); -#endif -#if defined(CONFIG_NCPFS_EXTRAS) || defined(CONFIG_NCPFS_NFS_NS) - } else if (S_ISLNK(inode->i_mode)) { - inode->i_op = &ncp_symlink_inode_operations; - inode->i_data.a_ops = &ncp_symlink_aops; -#endif - } else { - make_bad_inode(inode); - } - insert_inode_hash(inode); - } else - printk(KERN_ERR "ncp_iget: iget failed!\n"); - return inode; -} - -static void -ncp_evict_inode(struct inode *inode) -{ - truncate_inode_pages(&inode->i_data, 0); - end_writeback(inode); - - if (S_ISDIR(inode->i_mode)) { - DDPRINTK("ncp_evict_inode: put directory %ld\n", inode->i_ino); - } - - if (ncp_make_closed(inode) != 0) { - /* We can't do anything but complain. */ - printk(KERN_ERR "ncp_evict_inode: could not close\n"); - } -} - -static void ncp_stop_tasks(struct ncp_server *server) { - struct sock* sk = server->ncp_sock->sk; - - lock_sock(sk); - sk->sk_error_report = server->error_report; - sk->sk_data_ready = server->data_ready; - sk->sk_write_space = server->write_space; - release_sock(sk); - del_timer_sync(&server->timeout_tm); - - flush_work_sync(&server->rcv.tq); - if (sk->sk_socket->type == SOCK_STREAM) - flush_work_sync(&server->tx.tq); - else - flush_work_sync(&server->timeout_tq); -} - -static int ncp_show_options(struct seq_file *seq, struct dentry *root) -{ - struct ncp_server *server = NCP_SBP(root->d_sb); - unsigned int tmp; - - if (server->m.uid != 0) - seq_printf(seq, ",uid=%u", server->m.uid); - if (server->m.gid != 0) - seq_printf(seq, ",gid=%u", server->m.gid); - if (server->m.mounted_uid != 0) - seq_printf(seq, ",owner=%u", server->m.mounted_uid); - tmp = server->m.file_mode & S_IALLUGO; - if (tmp != NCP_DEFAULT_FILE_MODE) - seq_printf(seq, ",mode=0%o", tmp); - tmp = server->m.dir_mode & S_IALLUGO; - if (tmp != NCP_DEFAULT_DIR_MODE) - seq_printf(seq, ",dirmode=0%o", tmp); - if (server->m.time_out != NCP_DEFAULT_TIME_OUT * HZ / 100) { - tmp = server->m.time_out * 100 / HZ; - seq_printf(seq, ",timeout=%u", tmp); - } - if (server->m.retry_count != NCP_DEFAULT_RETRY_COUNT) - seq_printf(seq, ",retry=%u", server->m.retry_count); - if (server->m.flags != 0) - seq_printf(seq, ",flags=%lu", server->m.flags); - if (server->m.wdog_pid != NULL) - seq_printf(seq, ",wdogpid=%u", pid_vnr(server->m.wdog_pid)); - - return 0; -} - -static const struct ncp_option ncp_opts[] = { - { "uid", OPT_INT, 'u' }, - { "gid", OPT_INT, 'g' }, - { "owner", OPT_INT, 'o' }, - { "mode", OPT_INT, 'm' }, - { "dirmode", OPT_INT, 'd' }, - { "timeout", OPT_INT, 't' }, - { "retry", OPT_INT, 'r' }, - { "flags", OPT_INT, 'f' }, - { "wdogpid", OPT_INT, 'w' }, - { "ncpfd", OPT_INT, 'n' }, - { "infofd", OPT_INT, 'i' }, /* v5 */ - { "version", OPT_INT, 'v' }, - { NULL, 0, 0 } }; - -static int ncp_parse_options(struct ncp_mount_data_kernel *data, char *options) { - int optval; - char *optarg; - unsigned long optint; - int version = 0; - int ret; - - data->flags = 0; - data->int_flags = 0; - data->mounted_uid = 0; - data->wdog_pid = NULL; - data->ncp_fd = ~0; - data->time_out = NCP_DEFAULT_TIME_OUT; - data->retry_count = NCP_DEFAULT_RETRY_COUNT; - data->uid = 0; - data->gid = 0; - data->file_mode = NCP_DEFAULT_FILE_MODE; - data->dir_mode = NCP_DEFAULT_DIR_MODE; - data->info_fd = -1; - data->mounted_vol[0] = 0; - - while ((optval = ncp_getopt("ncpfs", &options, ncp_opts, NULL, &optarg, &optint)) != 0) { - ret = optval; - if (ret < 0) - goto err; - switch (optval) { - case 'u': - data->uid = optint; - break; - case 'g': - data->gid = optint; - break; - case 'o': - data->mounted_uid = optint; - break; - case 'm': - data->file_mode = optint; - break; - case 'd': - data->dir_mode = optint; - break; - case 't': - data->time_out = optint; - break; - case 'r': - data->retry_count = optint; - break; - case 'f': - data->flags = optint; - break; - case 'w': - data->wdog_pid = find_get_pid(optint); - break; - case 'n': - data->ncp_fd = optint; - break; - case 'i': - data->info_fd = optint; - break; - case 'v': - ret = -ECHRNG; - if (optint < NCP_MOUNT_VERSION_V4) - goto err; - if (optint > NCP_MOUNT_VERSION_V5) - goto err; - version = optint; - break; - - } - } - return 0; -err: - put_pid(data->wdog_pid); - data->wdog_pid = NULL; - return ret; -} - -static int ncp_fill_super(struct super_block *sb, void *raw_data, int silent) -{ - struct ncp_mount_data_kernel data; - struct ncp_server *server; - struct file *ncp_filp; - struct inode *root_inode; - struct inode *sock_inode; - struct socket *sock; - int error; - int default_bufsize; -#ifdef CONFIG_NCPFS_PACKET_SIGNING - int options; -#endif - struct ncp_entry_info finfo; - - memset(&data, 0, sizeof(data)); - server = kzalloc(sizeof(struct ncp_server), GFP_KERNEL); - if (!server) - return -ENOMEM; - sb->s_fs_info = server; - - error = -EFAULT; - if (raw_data == NULL) - goto out; - switch (*(int*)raw_data) { - case NCP_MOUNT_VERSION: - { - struct ncp_mount_data* md = (struct ncp_mount_data*)raw_data; - - data.flags = md->flags; - data.int_flags = NCP_IMOUNT_LOGGEDIN_POSSIBLE; - data.mounted_uid = md->mounted_uid; - data.wdog_pid = find_get_pid(md->wdog_pid); - data.ncp_fd = md->ncp_fd; - data.time_out = md->time_out; - data.retry_count = md->retry_count; - data.uid = md->uid; - data.gid = md->gid; - data.file_mode = md->file_mode; - data.dir_mode = md->dir_mode; - data.info_fd = -1; - memcpy(data.mounted_vol, md->mounted_vol, - NCP_VOLNAME_LEN+1); - } - break; - case NCP_MOUNT_VERSION_V4: - { - struct ncp_mount_data_v4* md = (struct ncp_mount_data_v4*)raw_data; - - data.flags = md->flags; - data.mounted_uid = md->mounted_uid; - data.wdog_pid = find_get_pid(md->wdog_pid); - data.ncp_fd = md->ncp_fd; - data.time_out = md->time_out; - data.retry_count = md->retry_count; - data.uid = md->uid; - data.gid = md->gid; - data.file_mode = md->file_mode; - data.dir_mode = md->dir_mode; - data.info_fd = -1; - } - break; - default: - error = -ECHRNG; - if (memcmp(raw_data, "vers", 4) == 0) { - error = ncp_parse_options(&data, raw_data); - } - if (error) - goto out; - break; - } - error = -EBADF; - ncp_filp = fget(data.ncp_fd); - if (!ncp_filp) - goto out; - error = -ENOTSOCK; - sock_inode = ncp_filp->f_path.dentry->d_inode; - if (!S_ISSOCK(sock_inode->i_mode)) - goto out_fput; - sock = SOCKET_I(sock_inode); - if (!sock) - goto out_fput; - - if (sock->type == SOCK_STREAM) - default_bufsize = 0xF000; - else - default_bufsize = 1024; - - sb->s_flags |= MS_NODIRATIME; /* probably even noatime */ - sb->s_maxbytes = 0xFFFFFFFFU; - sb->s_blocksize = 1024; /* Eh... Is this correct? */ - sb->s_blocksize_bits = 10; - sb->s_magic = NCP_SUPER_MAGIC; - sb->s_op = &ncp_sops; - sb->s_d_op = &ncp_dentry_operations; - sb->s_bdi = &server->bdi; - - server = NCP_SBP(sb); - memset(server, 0, sizeof(*server)); - - error = bdi_setup_and_register(&server->bdi, "ncpfs", BDI_CAP_MAP_COPY); - if (error) - goto out_fput; - - server->ncp_filp = ncp_filp; - server->ncp_sock = sock; - - if (data.info_fd != -1) { - struct socket *info_sock; - - error = -EBADF; - server->info_filp = fget(data.info_fd); - if (!server->info_filp) - goto out_bdi; - error = -ENOTSOCK; - sock_inode = server->info_filp->f_path.dentry->d_inode; - if (!S_ISSOCK(sock_inode->i_mode)) - goto out_fput2; - info_sock = SOCKET_I(sock_inode); - if (!info_sock) - goto out_fput2; - error = -EBADFD; - if (info_sock->type != SOCK_STREAM) - goto out_fput2; - server->info_sock = info_sock; - } - -/* server->lock = 0; */ - mutex_init(&server->mutex); - server->packet = NULL; -/* server->buffer_size = 0; */ -/* server->conn_status = 0; */ -/* server->root_dentry = NULL; */ -/* server->root_setuped = 0; */ - mutex_init(&server->root_setup_lock); -#ifdef CONFIG_NCPFS_PACKET_SIGNING -/* server->sign_wanted = 0; */ -/* server->sign_active = 0; */ -#endif - init_rwsem(&server->auth_rwsem); - 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; - /* Although anything producing this is buggy, it happens - now because of PATH_MAX changes.. */ - if (server->m.time_out < 1) { - server->m.time_out = 10; - printk(KERN_INFO "You need to recompile your ncpfs utils..\n"); - } - server->m.time_out = server->m.time_out * HZ / 100; - server->m.file_mode = (server->m.file_mode & S_IRWXUGO) | S_IFREG; - server->m.dir_mode = (server->m.dir_mode & S_IRWXUGO) | S_IFDIR; - -#ifdef CONFIG_NCPFS_NLS - /* load the default NLS charsets */ - server->nls_vol = load_nls_default(); - server->nls_io = load_nls_default(); -#endif /* CONFIG_NCPFS_NLS */ - - atomic_set(&server->dentry_ttl, 0); /* no caching */ - - INIT_LIST_HEAD(&server->tx.requests); - mutex_init(&server->rcv.creq_mutex); - server->tx.creq = NULL; - server->rcv.creq = NULL; - - init_timer(&server->timeout_tm); -#undef NCP_PACKET_SIZE -#define NCP_PACKET_SIZE 131072 - error = -ENOMEM; - server->packet_size = NCP_PACKET_SIZE; - server->packet = vmalloc(NCP_PACKET_SIZE); - if (server->packet == NULL) - goto out_nls; - server->txbuf = vmalloc(NCP_PACKET_SIZE); - if (server->txbuf == NULL) - goto out_packet; - server->rxbuf = vmalloc(NCP_PACKET_SIZE); - if (server->rxbuf == NULL) - goto out_txbuf; - - lock_sock(sock->sk); - server->data_ready = sock->sk->sk_data_ready; - server->write_space = sock->sk->sk_write_space; - server->error_report = sock->sk->sk_error_report; - sock->sk->sk_user_data = server; - sock->sk->sk_data_ready = ncp_tcp_data_ready; - sock->sk->sk_error_report = ncp_tcp_error_report; - if (sock->type == SOCK_STREAM) { - server->rcv.ptr = (unsigned char*)&server->rcv.buf; - server->rcv.len = 10; - server->rcv.state = 0; - INIT_WORK(&server->rcv.tq, ncp_tcp_rcv_proc); - INIT_WORK(&server->tx.tq, ncp_tcp_tx_proc); - sock->sk->sk_write_space = ncp_tcp_write_space; - } else { - INIT_WORK(&server->rcv.tq, ncpdgram_rcv_proc); - INIT_WORK(&server->timeout_tq, ncpdgram_timeout_proc); - server->timeout_tm.data = (unsigned long)server; - server->timeout_tm.function = ncpdgram_timeout_call; - } - release_sock(sock->sk); - - ncp_lock_server(server); - error = ncp_connect(server); - ncp_unlock_server(server); - if (error < 0) - goto out_rxbuf; - DPRINTK("ncp_fill_super: NCP_SBP(sb) = %x\n", (int) NCP_SBP(sb)); - - error = -EMSGSIZE; /* -EREMOTESIDEINCOMPATIBLE */ -#ifdef CONFIG_NCPFS_PACKET_SIGNING - if (ncp_negotiate_size_and_options(server, default_bufsize, - NCP_DEFAULT_OPTIONS, &(server->buffer_size), &options) == 0) - { - if (options != NCP_DEFAULT_OPTIONS) - { - if (ncp_negotiate_size_and_options(server, - default_bufsize, - options & 2, - &(server->buffer_size), &options) != 0) - - { - goto out_disconnect; - } - } - ncp_lock_server(server); - if (options & 2) - server->sign_wanted = 1; - ncp_unlock_server(server); - } - else -#endif /* CONFIG_NCPFS_PACKET_SIGNING */ - if (ncp_negotiate_buffersize(server, default_bufsize, - &(server->buffer_size)) != 0) - goto out_disconnect; - DPRINTK("ncpfs: bufsize = %d\n", server->buffer_size); - - memset(&finfo, 0, sizeof(finfo)); - finfo.i.attributes = aDIR; - finfo.i.dataStreamSize = 0; /* ignored */ - finfo.i.dirEntNum = 0; - finfo.i.DosDirNum = 0; -#ifdef CONFIG_NCPFS_SMALLDOS - finfo.i.NSCreator = NW_NS_DOS; -#endif - finfo.volume = NCP_NUMBER_OF_VOLUMES; - /* set dates of mountpoint to Jan 1, 1986; 00:00 */ - finfo.i.creationTime = finfo.i.modifyTime - = cpu_to_le16(0x0000); - finfo.i.creationDate = finfo.i.modifyDate - = finfo.i.lastAccessDate - = cpu_to_le16(0x0C21); - finfo.i.nameLen = 0; - finfo.i.entryName[0] = '\0'; - - finfo.opened = 0; - finfo.ino = 2; /* tradition */ - - server->name_space[finfo.volume] = NW_NS_DOS; - - error = -ENOMEM; - root_inode = ncp_iget(sb, &finfo); - if (!root_inode) - goto out_disconnect; - DPRINTK("ncp_fill_super: root vol=%d\n", NCP_FINFO(root_inode)->volNumber); - sb->s_root = d_make_root(root_inode); - if (!sb->s_root) - goto out_disconnect; - return 0; - -out_disconnect: - ncp_lock_server(server); - ncp_disconnect(server); - ncp_unlock_server(server); -out_rxbuf: - ncp_stop_tasks(server); - vfree(server->rxbuf); -out_txbuf: - vfree(server->txbuf); -out_packet: - vfree(server->packet); -out_nls: -#ifdef CONFIG_NCPFS_NLS - unload_nls(server->nls_io); - unload_nls(server->nls_vol); -#endif - mutex_destroy(&server->rcv.creq_mutex); - mutex_destroy(&server->root_setup_lock); - mutex_destroy(&server->mutex); -out_fput2: - if (server->info_filp) - fput(server->info_filp); -out_bdi: - bdi_destroy(&server->bdi); -out_fput: - /* 23/12/1998 Marcin Dalecki <dalecki@cs.net.pl>: - * - * The previously used put_filp(ncp_filp); was bogus, since - * it doesn't perform proper unlocking. - */ - fput(ncp_filp); -out: - put_pid(data.wdog_pid); - sb->s_fs_info = NULL; - kfree(server); - return error; -} - -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); - - ncp_stop_tasks(server); - -#ifdef CONFIG_NCPFS_NLS - /* unload the NLS charsets */ - unload_nls(server->nls_vol); - unload_nls(server->nls_io); -#endif /* CONFIG_NCPFS_NLS */ - mutex_destroy(&server->rcv.creq_mutex); - mutex_destroy(&server->root_setup_lock); - mutex_destroy(&server->mutex); - - if (server->info_filp) - fput(server->info_filp); - fput(server->ncp_filp); - kill_pid(server->m.wdog_pid, SIGTERM, 1); - put_pid(server->m.wdog_pid); - - bdi_destroy(&server->bdi); - kfree(server->priv.data); - kfree(server->auth.object_name); - vfree(server->rxbuf); - vfree(server->txbuf); - vfree(server->packet); - sb->s_fs_info = NULL; - kfree(server); -} - -static int ncp_statfs(struct dentry *dentry, struct kstatfs *buf) -{ - struct dentry* d; - struct inode* i; - struct ncp_inode_info* ni; - struct ncp_server* s; - struct ncp_volume_info vi; - struct super_block *sb = dentry->d_sb; - int err; - __u8 dh; - - d = sb->s_root; - if (!d) { - goto dflt; - } - i = d->d_inode; - if (!i) { - goto dflt; - } - ni = NCP_FINFO(i); - if (!ni) { - goto dflt; - } - s = NCP_SBP(sb); - if (!s) { - goto dflt; - } - if (!s->m.mounted_vol[0]) { - goto dflt; - } - - err = ncp_dirhandle_alloc(s, ni->volNumber, ni->DosDirNum, &dh); - if (err) { - goto dflt; - } - err = ncp_get_directory_info(s, dh, &vi); - ncp_dirhandle_free(s, dh); - if (err) { - goto dflt; - } - buf->f_type = NCP_SUPER_MAGIC; - buf->f_bsize = vi.sectors_per_block * 512; - buf->f_blocks = vi.total_blocks; - buf->f_bfree = vi.free_blocks; - buf->f_bavail = vi.free_blocks; - buf->f_files = vi.total_dir_entries; - buf->f_ffree = vi.available_dir_entries; - buf->f_namelen = 12; - return 0; - - /* We cannot say how much disk space is left on a mounted - NetWare Server, because free space is distributed over - volumes, and the current user might have disk quotas. So - free space is not that simple to determine. Our decision - here is to err conservatively. */ - -dflt:; - buf->f_type = NCP_SUPER_MAGIC; - buf->f_bsize = NCP_BLOCK_SIZE; - buf->f_blocks = 0; - buf->f_bfree = 0; - buf->f_bavail = 0; - buf->f_namelen = 12; - return 0; -} - -int ncp_notify_change(struct dentry *dentry, struct iattr *attr) -{ - struct inode *inode = dentry->d_inode; - int result = 0; - __le32 info_mask; - struct nw_modify_dos_info info; - struct ncp_server *server; - - result = -EIO; - - server = NCP_SERVER(inode); - if (!server) /* How this could happen? */ - goto out; - - /* ageing the dentry to force validation */ - ncp_age_dentry(server, dentry); - - result = inode_change_ok(inode, attr); - if (result < 0) - goto out; - - result = -EPERM; - if (((attr->ia_valid & ATTR_UID) && - (attr->ia_uid != server->m.uid))) - goto out; - - if (((attr->ia_valid & ATTR_GID) && - (attr->ia_gid != server->m.gid))) - goto out; - - if (((attr->ia_valid & ATTR_MODE) && - (attr->ia_mode & - ~(S_IFREG | S_IFDIR | S_IRWXUGO)))) - goto out; - - info_mask = 0; - memset(&info, 0, sizeof(info)); - -#if 1 - if ((attr->ia_valid & ATTR_MODE) != 0) - { - umode_t newmode = attr->ia_mode; - - info_mask |= DM_ATTRIBUTES; - - if (S_ISDIR(inode->i_mode)) { - newmode &= server->m.dir_mode; - } else { -#ifdef CONFIG_NCPFS_EXTRAS - if (server->m.flags & NCP_MOUNT_EXTRAS) { - /* any non-default execute bit set */ - if (newmode & ~server->m.file_mode & S_IXUGO) - info.attributes |= aSHARED | aSYSTEM; - /* read for group/world and not in default file_mode */ - else if (newmode & ~server->m.file_mode & S_IRUGO) - info.attributes |= aSHARED; - } else -#endif - newmode &= server->m.file_mode; - } - if (newmode & S_IWUGO) - info.attributes &= ~(aRONLY|aRENAMEINHIBIT|aDELETEINHIBIT); - else - info.attributes |= (aRONLY|aRENAMEINHIBIT|aDELETEINHIBIT); - -#ifdef CONFIG_NCPFS_NFS_NS - if (ncp_is_nfs_extras(server, NCP_FINFO(inode)->volNumber)) { - result = ncp_modify_nfs_info(server, - NCP_FINFO(inode)->volNumber, - NCP_FINFO(inode)->dirEntNum, - attr->ia_mode, 0); - if (result != 0) - goto out; - info.attributes &= ~(aSHARED | aSYSTEM); - { - /* mark partial success */ - struct iattr tmpattr; - - tmpattr.ia_valid = ATTR_MODE; - tmpattr.ia_mode = attr->ia_mode; - - setattr_copy(inode, &tmpattr); - mark_inode_dirty(inode); - } - } -#endif - } -#endif - - /* Do SIZE before attributes, otherwise mtime together with size does not work... - */ - if ((attr->ia_valid & ATTR_SIZE) != 0) { - int written; - - DPRINTK("ncpfs: trying to change size to %ld\n", - attr->ia_size); - - if ((result = ncp_make_open(inode, O_WRONLY)) < 0) { - result = -EACCES; - goto out; - } - ncp_write_kernel(NCP_SERVER(inode), NCP_FINFO(inode)->file_handle, - attr->ia_size, 0, "", &written); - - /* According to ndir, the changes only take effect after - closing the file */ - ncp_inode_close(inode); - result = ncp_make_closed(inode); - if (result) - goto out; - - if (attr->ia_size != i_size_read(inode)) { - result = vmtruncate(inode, attr->ia_size); - if (result) - goto out; - mark_inode_dirty(inode); - } - } - if ((attr->ia_valid & ATTR_CTIME) != 0) { - info_mask |= (DM_CREATE_TIME | DM_CREATE_DATE); - ncp_date_unix2dos(attr->ia_ctime.tv_sec, - &info.creationTime, &info.creationDate); - } - if ((attr->ia_valid & ATTR_MTIME) != 0) { - info_mask |= (DM_MODIFY_TIME | DM_MODIFY_DATE); - ncp_date_unix2dos(attr->ia_mtime.tv_sec, - &info.modifyTime, &info.modifyDate); - } - if ((attr->ia_valid & ATTR_ATIME) != 0) { - __le16 dummy; - info_mask |= (DM_LAST_ACCESS_DATE); - ncp_date_unix2dos(attr->ia_atime.tv_sec, - &dummy, &info.lastAccessDate); - } - if (info_mask != 0) { - result = ncp_modify_file_or_subdir_dos_info(NCP_SERVER(inode), - inode, info_mask, &info); - if (result != 0) { - if (info_mask == (DM_CREATE_TIME | DM_CREATE_DATE)) { - /* NetWare seems not to allow this. I - do not know why. So, just tell the - user everything went fine. This is - a terrible hack, but I do not know - how to do this correctly. */ - result = 0; - } else - goto out; - } -#ifdef CONFIG_NCPFS_STRONG - if ((!result) && (info_mask & DM_ATTRIBUTES)) - NCP_FINFO(inode)->nwattr = info.attributes; -#endif - } - if (result) - goto out; - - setattr_copy(inode, attr); - mark_inode_dirty(inode); - -out: - if (result > 0) - result = -EACCES; - return result; -} - -static struct dentry *ncp_mount(struct file_system_type *fs_type, - int flags, const char *dev_name, void *data) -{ - return mount_nodev(fs_type, flags, data, ncp_fill_super); -} - -static struct file_system_type ncp_fs_type = { - .owner = THIS_MODULE, - .name = "ncpfs", - .mount = ncp_mount, - .kill_sb = kill_anon_super, - .fs_flags = FS_BINARY_MOUNTDATA, -}; - -static int __init init_ncp_fs(void) -{ - int err; - DPRINTK("ncpfs: init_ncp_fs called\n"); - - err = init_inodecache(); - if (err) - goto out1; - err = register_filesystem(&ncp_fs_type); - if (err) - goto out; - return 0; -out: - destroy_inodecache(); -out1: - return err; -} - -static void __exit exit_ncp_fs(void) -{ - DPRINTK("ncpfs: exit_ncp_fs called\n"); - unregister_filesystem(&ncp_fs_type); - destroy_inodecache(); -} - -module_init(init_ncp_fs) -module_exit(exit_ncp_fs) -MODULE_LICENSE("GPL"); |