/* maximum negotiable packet size */
#define NCP_PACKET_SIZE_INTERNAL 65536
+static int
+ncp_get_fs_info(struct ncp_server* server, struct inode* inode, struct ncp_fs_info __user *arg)
+{
+ struct ncp_fs_info info;
+
+ if ((permission(inode, MAY_WRITE, NULL) != 0)
+ && (current->uid != server->m.mounted_uid)) {
+ return -EACCES;
+ }
+ if (copy_from_user(&info, arg, sizeof(info)))
+ return -EFAULT;
+
+ if (info.version != NCP_GET_FS_INFO_VERSION) {
+ DPRINTK("info.version invalid: %d\n", info.version);
+ return -EINVAL;
+ }
+ /* TODO: info.addr = server->m.serv_addr; */
+ SET_UID(info.mounted_uid, server->m.mounted_uid);
+ info.connection = server->connection;
+ info.buffer_size = server->buffer_size;
+ info.volume_number = NCP_FINFO(inode)->volNumber;
+ info.directory_id = NCP_FINFO(inode)->DosDirNum;
+
+ if (copy_to_user(arg, &info, sizeof(info)))
+ return -EFAULT;
+ return 0;
+}
+
+static int
+ncp_get_fs_info_v2(struct ncp_server* server, struct inode* inode, struct ncp_fs_info_v2 __user * arg)
+{
+ struct ncp_fs_info_v2 info2;
+
+ if ((permission(inode, MAY_WRITE, NULL) != 0)
+ && (current->uid != server->m.mounted_uid)) {
+ return -EACCES;
+ }
+ if (copy_from_user(&info2, arg, sizeof(info2)))
+ return -EFAULT;
+
+ if (info2.version != NCP_GET_FS_INFO_VERSION_V2) {
+ DPRINTK("info.version invalid: %d\n", info2.version);
+ return -EINVAL;
+ }
+ info2.mounted_uid = server->m.mounted_uid;
+ info2.connection = server->connection;
+ info2.buffer_size = server->buffer_size;
+ info2.volume_number = NCP_FINFO(inode)->volNumber;
+ info2.directory_id = NCP_FINFO(inode)->DosDirNum;
+ info2.dummy1 = info2.dummy2 = info2.dummy3 = 0;
+
+ if (copy_to_user(arg, &info2, sizeof(info2)))
+ return -EFAULT;
+ return 0;
+}
+
+#ifdef CONFIG_NCPFS_NLS
+/* Here we are select the iocharset and the codepage for NLS.
+ * Thanks Petr Vandrovec for idea and many hints.
+ */
+static int
+ncp_set_charsets(struct ncp_server* server, struct ncp_nls_ioctl __user *arg)
+{
+ struct ncp_nls_ioctl user;
+ struct nls_table *codepage;
+ struct nls_table *iocharset;
+ struct nls_table *oldset_io;
+ struct nls_table *oldset_cp;
+
+ if (!capable(CAP_SYS_ADMIN))
+ return -EACCES;
+ if (server->root_setuped)
+ return -EBUSY;
+
+ if (copy_from_user(&user, arg, sizeof(user)))
+ return -EFAULT;
+
+ codepage = NULL;
+ user.codepage[NCP_IOCSNAME_LEN] = 0;
+ if (!user.codepage[0] || !strcmp(user.codepage, "default"))
+ codepage = load_nls_default();
+ else {
+ codepage = load_nls(user.codepage);
+ if (!codepage) {
+ return -EBADRQC;
+ }
+ }
+
+ iocharset = NULL;
+ user.iocharset[NCP_IOCSNAME_LEN] = 0;
+ if (!user.iocharset[0] || !strcmp(user.iocharset, "default")) {
+ iocharset = load_nls_default();
+ NCP_CLR_FLAG(server, NCP_FLAG_UTF8);
+ } else if (!strcmp(user.iocharset, "utf8")) {
+ iocharset = load_nls_default();
+ NCP_SET_FLAG(server, NCP_FLAG_UTF8);
+ } else {
+ iocharset = load_nls(user.iocharset);
+ if (!iocharset) {
+ unload_nls(codepage);
+ return -EBADRQC;
+ }
+ NCP_CLR_FLAG(server, NCP_FLAG_UTF8);
+ }
+
+ oldset_cp = server->nls_vol;
+ server->nls_vol = codepage;
+ oldset_io = server->nls_io;
+ server->nls_io = iocharset;
+
+ if (oldset_cp)
+ unload_nls(oldset_cp);
+ if (oldset_io)
+ unload_nls(oldset_io);
+
+ return 0;
+}
+
+static int
+ncp_get_charsets(struct ncp_server* server, struct ncp_nls_ioctl __user *arg)
+{
+ struct ncp_nls_ioctl user;
+ int len;
+
+ memset(&user, 0, sizeof(user));
+ if (server->nls_vol && server->nls_vol->charset) {
+ len = strlen(server->nls_vol->charset);
+ if (len > NCP_IOCSNAME_LEN)
+ len = NCP_IOCSNAME_LEN;
+ strncpy(user.codepage, server->nls_vol->charset, len);
+ user.codepage[len] = 0;
+ }
+
+ if (NCP_IS_FLAG(server, NCP_FLAG_UTF8))
+ strcpy(user.iocharset, "utf8");
+ else if (server->nls_io && server->nls_io->charset) {
+ len = strlen(server->nls_io->charset);
+ if (len > NCP_IOCSNAME_LEN)
+ len = NCP_IOCSNAME_LEN;
+ strncpy(user.iocharset, server->nls_io->charset, len);
+ user.iocharset[len] = 0;
+ }
+
+ if (copy_to_user(arg, &user, sizeof(user)))
+ return -EFAULT;
+ return 0;
+}
+#endif /* CONFIG_NCPFS_NLS */
+
int ncp_ioctl(struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg)
{
int result;
struct ncp_ioctl_request request;
char* bouncebuffer;
+ void __user *argp = (void __user *)arg;
switch (cmd) {
case NCP_IOC_NCPREQUEST:
&& (current->uid != server->m.mounted_uid)) {
return -EACCES;
}
- if (copy_from_user(&request, (struct ncp_ioctl_request *) arg,
- sizeof(request)))
+ if (copy_from_user(&request, argp, sizeof(request)))
return -EFAULT;
if ((request.function > 255)
return ncp_conn_logged_in(inode->i_sb);
case NCP_IOC_GET_FS_INFO:
- {
- struct ncp_fs_info info;
-
- if ((permission(inode, MAY_WRITE, NULL) != 0)
- && (current->uid != server->m.mounted_uid)) {
- return -EACCES;
- }
- if (copy_from_user(&info, (struct ncp_fs_info *) arg,
- sizeof(info)))
- return -EFAULT;
-
- if (info.version != NCP_GET_FS_INFO_VERSION) {
- DPRINTK("info.version invalid: %d\n", info.version);
- return -EINVAL;
- }
- /* TODO: info.addr = server->m.serv_addr; */
- SET_UID(info.mounted_uid, server->m.mounted_uid);
- info.connection = server->connection;
- info.buffer_size = server->buffer_size;
- info.volume_number = NCP_FINFO(inode)->volNumber;
- info.directory_id = NCP_FINFO(inode)->DosDirNum;
-
- if (copy_to_user((struct ncp_fs_info *) arg, &info,
- sizeof(info))) return -EFAULT;
- return 0;
- }
+ return ncp_get_fs_info(server, inode, argp);
case NCP_IOC_GET_FS_INFO_V2:
- {
- struct ncp_fs_info_v2 info2;
-
- if ((permission(inode, MAY_WRITE, NULL) != 0)
- && (current->uid != server->m.mounted_uid)) {
- return -EACCES;
- }
- if (copy_from_user(&info2, (struct ncp_fs_info_v2 *) arg,
- sizeof(info2)))
- return -EFAULT;
-
- if (info2.version != NCP_GET_FS_INFO_VERSION_V2) {
- DPRINTK("info.version invalid: %d\n", info2.version);
- return -EINVAL;
- }
- info2.mounted_uid = server->m.mounted_uid;
- info2.connection = server->connection;
- info2.buffer_size = server->buffer_size;
- info2.volume_number = NCP_FINFO(inode)->volNumber;
- info2.directory_id = NCP_FINFO(inode)->DosDirNum;
- info2.dummy1 = info2.dummy2 = info2.dummy3 = 0;
-
- if (copy_to_user((struct ncp_fs_info_v2 *) arg, &info2,
- sizeof(info2))) return -EFAULT;
- return 0;
- }
+ return ncp_get_fs_info_v2(server, inode, argp);
case NCP_IOC_GETMOUNTUID2:
{
{
return -EACCES;
}
- if (put_user(tmp, (unsigned long*) arg))
+ if (put_user(tmp, (unsigned long __user *)argp))
return -EFAULT;
return 0;
}
sr.namespace = 0;
sr.dirEntNum = 0;
}
- if (copy_to_user((struct ncp_setroot_ioctl*)arg,
- &sr,
- sizeof(sr))) return -EFAULT;
+ if (copy_to_user(argp, &sr, sizeof(sr)))
+ return -EFAULT;
return 0;
}
case NCP_IOC_SETROOT:
{
struct ncp_setroot_ioctl sr;
- unsigned int vnum, de, dosde;
+ __u32 vnum, de, dosde;
struct dentry* dentry;
if (!capable(CAP_SYS_ADMIN))
return -EACCES;
}
if (server->root_setuped) return -EBUSY;
- if (copy_from_user(&sr,
- (struct ncp_setroot_ioctl*)arg,
- sizeof(sr))) return -EFAULT;
+ if (copy_from_user(&sr, argp, sizeof(sr)))
+ return -EFAULT;
if (sr.volNumber < 0) {
server->m.mounted_vol[0] = 0;
vnum = NCP_NUMBER_OF_VOLUMES;
dosde = 0;
} else if (sr.volNumber >= NCP_NUMBER_OF_VOLUMES) {
return -EINVAL;
- } else {
- struct nw_info_struct ni;
-
- if (ncp_mount_subdir(server, &ni, sr.volNumber,
- sr.namespace, sr.dirEntNum))
- return -ENOENT;
- vnum = ni.volNumber;
- de = ni.dirEntNum;
- dosde = ni.DosDirNum;
+ } else if (ncp_mount_subdir(server, sr.volNumber,
+ sr.namespace, sr.dirEntNum,
+ &vnum, &de, &dosde)) {
+ return -ENOENT;
}
dentry = inode->i_sb->s_root;
{
return -EACCES;
}
- if (arg) {
+ if (argp) {
if (server->sign_wanted)
{
struct ncp_sign_init sign;
- if (copy_from_user(&sign, (struct ncp_sign_init *) arg,
- sizeof(sign))) return -EFAULT;
+ if (copy_from_user(&sign, argp, sizeof(sign)))
+ return -EFAULT;
memcpy(server->sign_root,sign.sign_root,8);
memcpy(server->sign_last,sign.sign_last,16);
server->sign_active = 1;
return -EACCES;
}
- if (put_user(server->sign_wanted, (int*) arg))
+ if (put_user(server->sign_wanted, (int __user *)argp))
return -EFAULT;
return 0;
case NCP_IOC_SET_SIGN_WANTED:
return -EACCES;
}
/* get only low 8 bits... */
- if (get_user(newstate, (unsigned char *) arg))
+ if (get_user(newstate, (unsigned char __user *)argp))
return -EFAULT;
if (server->sign_active) {
/* cannot turn signatures OFF when active */
struct ncp_lock_ioctl rqdata;
int result;
- if (copy_from_user(&rqdata, (struct ncp_lock_ioctl*)arg,
- sizeof(rqdata))) return -EFAULT;
+ if (copy_from_user(&rqdata, argp, sizeof(rqdata)))
+ return -EFAULT;
if (rqdata.origin != 0)
return -EINVAL;
/* check for cmd */
struct ncp_objectname_ioctl user;
size_t outl;
- if (copy_from_user(&user,
- (struct ncp_objectname_ioctl*)arg,
- sizeof(user))) return -EFAULT;
+ if (copy_from_user(&user, argp, sizeof(user)))
+ return -EFAULT;
user.auth_type = server->auth.auth_type;
outl = user.object_name_len;
user.object_name_len = server->auth.object_name_len;
server->auth.object_name,
outl)) return -EFAULT;
}
- if (copy_to_user((struct ncp_objectname_ioctl*)arg,
- &user,
- sizeof(user))) return -EFAULT;
+ if (copy_to_user(argp, &user, sizeof(user)))
+ return -EFAULT;
return 0;
}
case NCP_IOC_SETOBJECTNAME:
void* oldprivate;
size_t oldprivatelen;
- if (copy_from_user(&user,
- (struct ncp_objectname_ioctl*)arg,
- sizeof(user))) return -EFAULT;
+ if (copy_from_user(&user, argp, sizeof(user)))
+ return -EFAULT;
if (user.object_name_len > NCP_OBJECT_NAME_MAX_LEN)
return -ENOMEM;
if (user.object_name_len) {
struct ncp_privatedata_ioctl user;
size_t outl;
- if (copy_from_user(&user,
- (struct ncp_privatedata_ioctl*)arg,
- sizeof(user))) return -EFAULT;
+ if (copy_from_user(&user, argp, sizeof(user)))
+ return -EFAULT;
outl = user.len;
user.len = server->priv.len;
if (outl > user.len) outl = user.len;
server->priv.data,
outl)) return -EFAULT;
}
- if (copy_to_user((struct ncp_privatedata_ioctl*)arg,
- &user,
- sizeof(user))) return -EFAULT;
+ if (copy_to_user(argp, &user, sizeof(user)))
+ return -EFAULT;
return 0;
}
case NCP_IOC_SETPRIVATEDATA:
void* old;
size_t oldlen;
- if (copy_from_user(&user,
- (struct ncp_privatedata_ioctl*)arg,
- sizeof(user))) return -EFAULT;
+ if (copy_from_user(&user, argp, sizeof(user)))
+ return -EFAULT;
if (user.len > NCP_PRIVATE_DATA_MAX_LEN)
return -ENOMEM;
if (user.len) {
}
#ifdef CONFIG_NCPFS_NLS
-/* Here we are select the iocharset and the codepage for NLS.
- * Thanks Petr Vandrovec for idea and many hints.
- */
case NCP_IOC_SETCHARSETS:
- if (!capable(CAP_SYS_ADMIN))
- return -EACCES;
- if (server->root_setuped)
- return -EBUSY;
-
- {
- struct ncp_nls_ioctl user;
- struct nls_table *codepage;
- struct nls_table *iocharset;
- struct nls_table *oldset_io;
- struct nls_table *oldset_cp;
-
- if (copy_from_user(&user, (struct ncp_nls_ioctl*)arg,
- sizeof(user)))
- return -EFAULT;
-
- codepage = NULL;
- user.codepage[NCP_IOCSNAME_LEN] = 0;
- if (!user.codepage[0] ||
- !strcmp(user.codepage, "default"))
- codepage = load_nls_default();
- else {
- codepage = load_nls(user.codepage);
- if (!codepage) {
- return -EBADRQC;
- }
- }
-
- iocharset = NULL;
- user.iocharset[NCP_IOCSNAME_LEN] = 0;
- if (!user.iocharset[0] ||
- !strcmp(user.iocharset, "default")) {
- iocharset = load_nls_default();
- NCP_CLR_FLAG(server, NCP_FLAG_UTF8);
- } else {
- if (!strcmp(user.iocharset, "utf8")) {
- iocharset = load_nls_default();
- NCP_SET_FLAG(server, NCP_FLAG_UTF8);
- } else {
- iocharset = load_nls(user.iocharset);
- if (!iocharset) {
- unload_nls(codepage);
- return -EBADRQC;
- }
- NCP_CLR_FLAG(server, NCP_FLAG_UTF8);
- }
- }
-
- oldset_cp = server->nls_vol;
- server->nls_vol = codepage;
- oldset_io = server->nls_io;
- server->nls_io = iocharset;
-
- if (oldset_cp)
- unload_nls(oldset_cp);
- if (oldset_io)
- unload_nls(oldset_io);
-
- return 0;
- }
+ return ncp_set_charsets(server, argp);
- case NCP_IOC_GETCHARSETS: /* not tested */
- {
- struct ncp_nls_ioctl user;
- int len;
-
- memset(&user, 0, sizeof(user));
- if (server->nls_vol && server->nls_vol->charset) {
- len = strlen(server->nls_vol->charset);
- if (len > NCP_IOCSNAME_LEN)
- len = NCP_IOCSNAME_LEN;
- strncpy(user.codepage,
- server->nls_vol->charset, len);
- user.codepage[len] = 0;
- }
-
- if (NCP_IS_FLAG(server, NCP_FLAG_UTF8))
- strcpy(user.iocharset, "utf8");
- else
- if (server->nls_io && server->nls_io->charset) {
- len = strlen(server->nls_io->charset);
- if (len > NCP_IOCSNAME_LEN)
- len = NCP_IOCSNAME_LEN;
- strncpy(user.iocharset,
- server->nls_io->charset, len);
- user.iocharset[len] = 0;
- }
-
- if (copy_to_user((struct ncp_nls_ioctl*)arg, &user,
- sizeof(user)))
- return -EFAULT;
+ case NCP_IOC_GETCHARSETS:
+ return ncp_get_charsets(server, argp);
- return 0;
- }
#endif /* CONFIG_NCPFS_NLS */
+
case NCP_IOC_SETDENTRYTTL:
if ((permission(inode, MAY_WRITE, NULL) != 0) &&
(current->uid != server->m.mounted_uid))
{
u_int32_t user;
- if (copy_from_user(&user, (u_int32_t*)arg, sizeof(user)))
+ if (copy_from_user(&user, argp, sizeof(user)))
return -EFAULT;
/* 20 secs at most... */
if (user > 20000)
case NCP_IOC_GETDENTRYTTL:
{
u_int32_t user = (server->dentry_ttl * 1000) / HZ;
- if (copy_to_user((u_int32_t*)arg, &user, sizeof(user)))
+ if (copy_to_user(argp, &user, sizeof(user)))
return -EFAULT;
return 0;
}
return -EACCES;
}
SET_UID(uid, server->m.mounted_uid);
- if (put_user(uid, (__kernel_uid_t *) arg))
+ if (put_user(uid, (__kernel_uid_t __user *)argp))
return -EFAULT;
return 0;
}
git://git.onelab.eu / linux-2.6.git / blobdiff