本文整理汇总了C++中CIFSSMBOpen函数的典型用法代码示例。如果您正苦于以下问题：C++ CIFSSMBOpen函数的具体用法？C++ CIFSSMBOpen怎么用？C++ CIFSSMBOpen使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。
在下文中一共展示了CIFSSMBOpen函数的20个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的C++代码示例。
示例1: cifs_sb_tlink
static struct cifs_ntsd *get_cifs_acl_by_path(struct cifs_sb_info *cifs_sb,
const char *path, u32 *pacllen)
{
struct cifs_ntsd *pntsd = NULL;
int oplock = 0;
int xid, rc, create_options = 0;
__u16 fid;
struct cifs_tcon *tcon;
struct tcon_link *tlink = cifs_sb_tlink(cifs_sb);
if (IS_ERR(tlink))
return ERR_CAST(tlink);
tcon = tlink_tcon(tlink);
xid = GetXid();
if (backup_cred(cifs_sb))
create_options |= CREATE_OPEN_BACKUP_INTENT;
rc = CIFSSMBOpen(xid, tcon, path, FILE_OPEN, READ_CONTROL,
create_options, &fid, &oplock, NULL, cifs_sb->local_nls,
cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR);
if (!rc) {
rc = CIFSSMBGetCIFSACL(xid, tcon, fid, &pntsd, pacllen);
CIFSSMBClose(xid, tcon, fid);
}
cifs_put_tlink(tlink);
FreeXid(xid);
cFYI(1, "%s: rc = %d ACL len %d", __func__, rc, *pacllen);
if (rc)
return ERR_PTR(rc);
return pntsd;
}
开发者ID:MiniBlu，项目名称:cm11_kernel_htc_msm8974a3ul，代码行数:35，代码来源:cifsacl.c
示例2: GetXid
static struct cifs_ntsd *get_cifs_acl_by_path(struct cifs_sb_info *cifs_sb,
const char *path, u32 *pacllen)
{
struct cifs_ntsd *pntsd = NULL;
int oplock = 0;
int xid, rc;
__u16 fid;
xid = GetXid();
rc = CIFSSMBOpen(xid, cifs_sb->tcon, path, FILE_OPEN, READ_CONTROL, 0,
&fid, &oplock, NULL, cifs_sb->local_nls,
cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR);
if (rc) {
cERROR(1, "Unable to open file to get ACL");
goto out;
}
rc = CIFSSMBGetCIFSACL(xid, cifs_sb->tcon, fid, &pntsd, pacllen);
cFYI(1, "GetCIFSACL rc = %d ACL len %d", rc, *pacllen);
CIFSSMBClose(xid, cifs_sb->tcon, fid);
out:
FreeXid(xid);
return pntsd;
}
开发者ID:flwh，项目名称:Alcatel_OT_985_kernel，代码行数:26，代码来源:cifsacl.c
示例3: set_cifs_acl_by_path
static int set_cifs_acl_by_path(struct cifs_sb_info *cifs_sb, const char *path,
struct cifs_ntsd *pnntsd, u32 acllen)
{
int oplock = 0;
int xid, rc;
__u16 fid;
xid = GetXid();
rc = CIFSSMBOpen(xid, cifs_sb->tcon, path, FILE_OPEN, WRITE_DAC, 0,
&fid, &oplock, NULL, cifs_sb->local_nls,
cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR);
if (rc) {
cERROR(1, "Unable to open file to set ACL");
goto out;
}
rc = CIFSSMBSetCIFSACL(xid, cifs_sb->tcon, fid, pnntsd, acllen);
cFYI(DBG2, "SetCIFSACL rc = %d", rc);
CIFSSMBClose(xid, cifs_sb->tcon, fid);
out:
FreeXid(xid);
return rc;
}
开发者ID:flwh，项目名称:Alcatel_OT_985_kernel，代码行数:25，代码来源:cifsacl.c
示例4: cifs_dir_notify
int cifs_dir_notify(struct file *file, unsigned long arg)
{
int xid;
int rc = -EINVAL;
int oplock = FALSE;
struct cifs_sb_info *cifs_sb;
struct cifsTconInfo *pTcon;
char *full_path = NULL;
__u32 filter = FILE_NOTIFY_CHANGE_NAME | FILE_NOTIFY_CHANGE_ATTRIBUTES;
__u16 netfid;
if (experimEnabled == 0)
return 0;
xid = GetXid();
#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 20)
cifs_sb = CIFS_SB(file->f_dentry->d_sb);
pTcon = cifs_sb->tcon;
full_path = build_path_from_dentry(file->f_dentry);
#else
cifs_sb = CIFS_SB(file->f_path.dentry->d_sb);
pTcon = cifs_sb->tcon;
full_path = build_path_from_dentry(file->f_path.dentry);
#endif
if (full_path == NULL) {
rc = -ENOMEM;
} else {
cFYI(1, ("dir notify on file %s Arg 0x%lx", full_path, arg));
rc = CIFSSMBOpen(xid, pTcon, full_path, FILE_OPEN,
GENERIC_READ | SYNCHRONIZE, FILE_SHARE_ALL, 0 /* create options */,
&netfid, &oplock, NULL, cifs_sb->local_nls,
cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR);
/* BB fixme - add this handle to a notify handle list */
if (rc) {
cFYI(1, ("Could not open directory for notify"));
} else {
filter = convert_to_cifs_notify_flags(arg);
if (filter != 0) {
rc = CIFSSMBNotify(xid, pTcon,
0 /* no subdirs */, netfid,
filter, file, arg & DN_MULTISHOT,
cifs_sb->local_nls);
} else {
rc = -EINVAL;
}
/* BB add code to close file eventually (at unmount
it would close automatically but may be a way
to do it easily when inode freed or when
notify info is cleared/changed */
cFYI(1, ("notify rc %d", rc));
}
}
FreeXid(xid);
return rc;
}
开发者ID:piastry，项目名称:etercifs，代码行数:59，代码来源:fcntl.c
示例5: cFYI
/* Retrieve an ACL from the server */
static struct cifs_ntsd *get_cifs_acl(u32 *pacllen, struct inode *inode,
const char *path, const __u16 *pfid)
{
struct cifsFileInfo *open_file = NULL;
bool unlock_file = false;
int xid;
int rc = -EIO;
__u16 fid;
struct super_block *sb;
struct cifs_sb_info *cifs_sb;
struct cifs_ntsd *pntsd = NULL;
cFYI(1, ("get mode from ACL for %s", path));
if (inode == NULL)
return NULL;
xid = GetXid();
if (pfid == NULL)
open_file = find_readable_file(CIFS_I(inode));
else
fid = *pfid;
sb = inode->i_sb;
if (sb == NULL) {
FreeXid(xid);
return NULL;
}
cifs_sb = CIFS_SB(sb);
if (open_file) {
unlock_file = true;
fid = open_file->netfid;
} else if (pfid == NULL) {
int oplock = 0;
/* open file */
rc = CIFSSMBOpen(xid, cifs_sb->tcon, path, FILE_OPEN,
READ_CONTROL, 0, &fid, &oplock, NULL,
cifs_sb->local_nls, cifs_sb->mnt_cifs_flags &
CIFS_MOUNT_MAP_SPECIAL_CHR);
if (rc != 0) {
cERROR(1, ("Unable to open file to get ACL"));
FreeXid(xid);
return NULL;
}
}
rc = CIFSSMBGetCIFSACL(xid, cifs_sb->tcon, fid, &pntsd, pacllen);
cFYI(1, ("GetCIFSACL rc = %d ACL len %d", rc, *pacllen));
if (unlock_file == true) /* find_readable_file increments ref count */
atomic_dec(&open_file->wrtPending);
else if (pfid == NULL) /* if opened above we have to close the handle */
CIFSSMBClose(xid, cifs_sb->tcon, fid);
/* else handle was passed in by caller */
FreeXid(xid);
return pntsd;
}
开发者ID:458941968，项目名称:mini2440-kernel-2.6.29，代码行数:59，代码来源:cifsacl.c
示例6: CIFSCreateMFSymLink
static int
CIFSCreateMFSymLink(const int xid, struct cifs_tcon *tcon,
const char *fromName, const char *toName,
struct cifs_sb_info *cifs_sb)
{
int rc;
int oplock = 0;
int remap;
int create_options = CREATE_NOT_DIR;
__u16 netfid = 0;
u8 *buf;
unsigned int bytes_written = 0;
struct cifs_io_parms io_parms;
struct nls_table *nls_codepage;
nls_codepage = cifs_sb->local_nls;
remap = cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR;
buf = kmalloc(CIFS_MF_SYMLINK_FILE_SIZE, GFP_KERNEL);
if (!buf)
return -ENOMEM;
rc = CIFSFormatMFSymlink(buf, CIFS_MF_SYMLINK_FILE_SIZE, toName);
if (rc != 0) {
kfree(buf);
return rc;
}
if (backup_cred(cifs_sb))
create_options |= CREATE_OPEN_BACKUP_INTENT;
rc = CIFSSMBOpen(xid, tcon, fromName, FILE_CREATE, GENERIC_WRITE,
create_options, &netfid, &oplock, NULL,
nls_codepage, remap);
if (rc != 0) {
kfree(buf);
return rc;
}
io_parms.netfid = netfid;
io_parms.pid = current->tgid;
io_parms.tcon = tcon;
io_parms.offset = 0;
io_parms.length = CIFS_MF_SYMLINK_FILE_SIZE;
rc = CIFSSMBWrite(xid, &io_parms, &bytes_written, buf, NULL, 0);
CIFSSMBClose(xid, tcon, netfid);
kfree(buf);
if (rc != 0)
return rc;
if (bytes_written != CIFS_MF_SYMLINK_FILE_SIZE)
return -EIO;
return 0;
}
开发者ID:0xroot，项目名称:Blackphone-BP1-Kernel，代码行数:56，代码来源:link.c
示例7: CIFSQueryMFSymLink
static int
CIFSQueryMFSymLink(const int xid, struct cifs_tcon *tcon,
const unsigned char *searchName, char **symlinkinfo,
const struct nls_table *nls_codepage, int remap)
{
int rc;
int oplock = 0;
__u16 netfid = 0;
u8 *buf;
char *pbuf;
unsigned int bytes_read = 0;
int buf_type = CIFS_NO_BUFFER;
unsigned int link_len = 0;
struct cifs_io_parms io_parms;
FILE_ALL_INFO file_info;
rc = CIFSSMBOpen(xid, tcon, searchName, FILE_OPEN, GENERIC_READ,
CREATE_NOT_DIR, &netfid, &oplock, &file_info,
nls_codepage, remap);
if (rc != 0)
return rc;
if (file_info.EndOfFile != cpu_to_le64(CIFS_MF_SYMLINK_FILE_SIZE)) {
CIFSSMBClose(xid, tcon, netfid);
/* it's not a symlink */
return -EINVAL;
}
buf = kmalloc(CIFS_MF_SYMLINK_FILE_SIZE, GFP_KERNEL);
if (!buf)
return -ENOMEM;
pbuf = buf;
io_parms.netfid = netfid;
io_parms.pid = current->tgid;
io_parms.tcon = tcon;
io_parms.offset = 0;
io_parms.length = CIFS_MF_SYMLINK_FILE_SIZE;
rc = CIFSSMBRead(xid, &io_parms, &bytes_read, &pbuf, &buf_type);
CIFSSMBClose(xid, tcon, netfid);
if (rc != 0) {
kfree(buf);
return rc;
}
rc = CIFSParseMFSymlink(buf, bytes_read, &link_len, symlinkinfo);
kfree(buf);
if (rc != 0)
return rc;
return 0;
}
开发者ID:0xroot，项目名称:Blackphone-BP1-Kernel，代码行数:52，代码来源:link.c
示例8: set_cifs_acl
/* Set an ACL on the server */
static int set_cifs_acl(struct cifs_ntsd *pnntsd, __u32 acllen,
struct inode *inode, const char *path)
{
struct cifsFileInfo *open_file;
bool unlock_file = false;
int xid;
int rc = -EIO;
__u16 fid;
struct super_block *sb;
struct cifs_sb_info *cifs_sb;
cFYI(DBG2, ("set ACL for %s from mode 0x%x", path, inode->i_mode));
if (!inode)
return rc;
sb = inode->i_sb;
if (sb == NULL)
return rc;
cifs_sb = CIFS_SB(sb);
xid = GetXid();
open_file = find_readable_file(CIFS_I(inode));
if (open_file) {
unlock_file = true;
fid = open_file->netfid;
} else {
int oplock = 0;
/* open file */
rc = CIFSSMBOpen(xid, cifs_sb->tcon, path, FILE_OPEN,
WRITE_DAC, 0, &fid, &oplock, NULL,
cifs_sb->local_nls, cifs_sb->mnt_cifs_flags &
CIFS_MOUNT_MAP_SPECIAL_CHR);
if (rc != 0) {
cERROR(1, ("Unable to open file to set ACL"));
FreeXid(xid);
return rc;
}
}
rc = CIFSSMBSetCIFSACL(xid, cifs_sb->tcon, fid, pnntsd, acllen);
cFYI(DBG2, ("SetCIFSACL rc = %d", rc));
if (unlock_file)
atomic_dec(&open_file->wrtPending);
else
CIFSSMBClose(xid, cifs_sb->tcon, fid);
FreeXid(xid);
return rc;
}
开发者ID:458941968，项目名称:mini2440-kernel-2.6.29，代码行数:53，代码来源:cifsacl.c
示例9: cifs_dir_notify
int cifs_dir_notify(struct file * file, unsigned long arg)
{
int xid;
int rc = -EINVAL;
int oplock = FALSE;
struct cifs_sb_info *cifs_sb;
struct cifsTconInfo *pTcon;
char *full_path = NULL;
__u32 filter = FILE_NOTIFY_CHANGE_NAME | FILE_NOTIFY_CHANGE_ATTRIBUTES;
__u16 netfid;
xid = GetXid();
cifs_sb = CIFS_SB(file->f_dentry->d_sb);
pTcon = cifs_sb->tcon;
down(&file->f_dentry->d_sb->s_vfs_rename_sem);
full_path = build_path_from_dentry(file->f_dentry);
up(&file->f_dentry->d_sb->s_vfs_rename_sem);
if(full_path == NULL) {
rc = -ENOMEM;
} else {
cERROR(1,("cifs dir notify on file %s with arg 0x%lx",full_path,arg)); /* BB removeme BB */
rc = CIFSSMBOpen(xid, pTcon, full_path, FILE_OPEN,
GENERIC_READ | SYNCHRONIZE, 0 /* create options */,
&netfid, &oplock,NULL, cifs_sb->local_nls);
/* BB fixme - add this handle to a notify handle list */
if(rc) {
cERROR(1,("Could not open directory for notify")); /* BB remove BB */
} else {
filter = convert_to_cifs_notify_flags(arg);
if(filter != 0) {
rc = CIFSSMBNotify(xid, pTcon, 0 /* no subdirs */, netfid,
filter, cifs_sb->local_nls);
} else {
rc = -EINVAL;
}
/* BB add code to close file eventually (at unmount
it would close automatically but may be a way
to do it easily when inode freed or when
notify info is cleared/changed */
cERROR(1,("notify rc %d",rc));
}
}
FreeXid(xid);
return rc;
}
开发者ID:Antonio-Zhou，项目名称:Linux-2.6.11，代码行数:48，代码来源:fcntl.c
示例10: CIFSCreateMFSymLink
static int
CIFSCreateMFSymLink(const int xid, struct cifs_tcon *tcon,
const char *fromName, const char *toName,
const struct nls_table *nls_codepage, int remap)
{
int rc;
int oplock = 0;
__u16 netfid = 0;
u8 *buf;
unsigned int bytes_written = 0;
struct cifs_io_parms io_parms;
buf = kmalloc(CIFS_MF_SYMLINK_FILE_SIZE, GFP_KERNEL);
if (!buf)
return -ENOMEM;
rc = CIFSFormatMFSymlink(buf, CIFS_MF_SYMLINK_FILE_SIZE, toName);
if (rc != 0) {
kfree(buf);
return rc;
}
rc = CIFSSMBOpen(xid, tcon, fromName, FILE_CREATE, GENERIC_WRITE,
CREATE_NOT_DIR, &netfid, &oplock, NULL,
nls_codepage, remap);
if (rc != 0) {
kfree(buf);
return rc;
}
io_parms.netfid = netfid;
io_parms.pid = current->tgid;
io_parms.tcon = tcon;
io_parms.offset = 0;
io_parms.length = CIFS_MF_SYMLINK_FILE_SIZE;
rc = CIFSSMBWrite(xid, &io_parms, &bytes_written, buf, NULL, 0);
CIFSSMBClose(xid, tcon, netfid);
kfree(buf);
if (rc != 0)
return rc;
if (bytes_written != CIFS_MF_SYMLINK_FILE_SIZE)
return -EIO;
return 0;
}
开发者ID:novic，项目名称:AniDroid-Hardened-Kernel，代码行数:47，代码来源:link.c
示例11: set_cifs_acl
/* Set an ACL on the server */
int set_cifs_acl(struct cifs_ntsd *pnntsd, __u32 acllen,
struct inode *inode, const char *path, int aclflag)
{
int oplock = 0;
unsigned int xid;
int rc, access_flags, create_options = 0;
__u16 fid;
struct cifs_tcon *tcon;
struct cifs_sb_info *cifs_sb = CIFS_SB(inode->i_sb);
struct tcon_link *tlink = cifs_sb_tlink(cifs_sb);
if (IS_ERR(tlink))
return PTR_ERR(tlink);
tcon = tlink_tcon(tlink);
xid = get_xid();
if (backup_cred(cifs_sb))
create_options |= CREATE_OPEN_BACKUP_INTENT;
if (aclflag == CIFS_ACL_OWNER || aclflag == CIFS_ACL_GROUP)
access_flags = WRITE_OWNER;
else
access_flags = WRITE_DAC;
rc = CIFSSMBOpen(xid, tcon, path, FILE_OPEN, access_flags,
create_options, &fid, &oplock, NULL, cifs_sb->local_nls,
cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR);
if (rc) {
cERROR(1, "Unable to open file to set ACL");
goto out;
}
rc = CIFSSMBSetCIFSACL(xid, tcon, fid, pnntsd, acllen, aclflag);
cFYI(DBG2, "SetCIFSACL rc = %d", rc);
CIFSSMBClose(xid, tcon, fid);
out:
free_xid(xid);
cifs_put_tlink(tlink);
return rc;
}
开发者ID:SimonPe，项目名称:linux，代码行数:43，代码来源:cifsacl.c
示例12: cifs_mknod
int cifs_mknod(struct inode *inode, struct dentry *direntry, umode_t mode,
dev_t device_number)
{
int rc = -EPERM;
unsigned int xid;
int create_options = CREATE_NOT_DIR | CREATE_OPTION_SPECIAL;
struct cifs_sb_info *cifs_sb;
struct tcon_link *tlink;
struct cifs_tcon *pTcon;
struct cifs_io_parms io_parms;
char *full_path = NULL;
struct inode *newinode = NULL;
int oplock = 0;
u16 fileHandle;
FILE_ALL_INFO *buf = NULL;
unsigned int bytes_written;
struct win_dev *pdev;
if (!old_valid_dev(device_number))
return -EINVAL;
cifs_sb = CIFS_SB(inode->i_sb);
tlink = cifs_sb_tlink(cifs_sb);
if (IS_ERR(tlink))
return PTR_ERR(tlink);
pTcon = tlink_tcon(tlink);
xid = get_xid();
full_path = build_path_from_dentry(direntry);
if (full_path == NULL) {
rc = -ENOMEM;
goto mknod_out;
}
if (pTcon->unix_ext) {
struct cifs_unix_set_info_args args = {
.mode = mode & ~current_umask(),
.ctime = NO_CHANGE_64,
.atime = NO_CHANGE_64,
.mtime = NO_CHANGE_64,
.device = device_number,
};
if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_SET_UID) {
args.uid = current_fsuid();
args.gid = current_fsgid();
} else {
args.uid = INVALID_UID; /* no change */
args.gid = INVALID_GID; /* no change */
}
rc = CIFSSMBUnixSetPathInfo(xid, pTcon, full_path, &args,
cifs_sb->local_nls,
cifs_sb->mnt_cifs_flags &
CIFS_MOUNT_MAP_SPECIAL_CHR);
if (rc)
goto mknod_out;
rc = cifs_get_inode_info_unix(&newinode, full_path,
inode->i_sb, xid);
if (rc == 0)
d_instantiate(direntry, newinode);
goto mknod_out;
}
if (!(cifs_sb->mnt_cifs_flags & CIFS_MOUNT_UNX_EMUL))
goto mknod_out;
cifs_dbg(FYI, "sfu compat create special file\n");
buf = kmalloc(sizeof(FILE_ALL_INFO), GFP_KERNEL);
if (buf == NULL) {
kfree(full_path);
rc = -ENOMEM;
free_xid(xid);
return rc;
}
if (backup_cred(cifs_sb))
create_options |= CREATE_OPEN_BACKUP_INTENT;
rc = CIFSSMBOpen(xid, pTcon, full_path, FILE_CREATE,
GENERIC_WRITE, create_options,
&fileHandle, &oplock, buf, cifs_sb->local_nls,
cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR);
if (rc)
goto mknod_out;
/* BB Do not bother to decode buf since no local inode yet to put
* timestamps in, but we can reuse it safely */
pdev = (struct win_dev *)buf;
io_parms.netfid = fileHandle;
io_parms.pid = current->tgid;
io_parms.tcon = pTcon;
io_parms.offset = 0;
io_parms.length = sizeof(struct win_dev);
if (S_ISCHR(mode)) {
//.........这里部分代码省略.........
开发者ID:AICP，项目名称:kernel_moto_shamu，代码行数:101，代码来源:dir.c
示例13: cifs_rename
int cifs_rename(struct inode *source_inode, struct dentry *source_direntry,
struct inode *target_inode, struct dentry *target_direntry)
{
char *fromName;
char *toName;
struct cifs_sb_info *cifs_sb_source;
struct cifs_sb_info *cifs_sb_target;
struct cifsTconInfo *pTcon;
int xid;
int rc = 0;
xid = GetXid();
cifs_sb_target = CIFS_SB(target_inode->i_sb);
cifs_sb_source = CIFS_SB(source_inode->i_sb);
pTcon = cifs_sb_source->tcon;
if (pTcon != cifs_sb_target->tcon) {
FreeXid(xid);
return -EXDEV; /* BB actually could be allowed if same server,
but different share.
Might eventually add support for this */
}
/* we already have the rename sem so we do not need to grab it again
here to protect the path integrity */
fromName = build_path_from_dentry(source_direntry);
toName = build_path_from_dentry(target_direntry);
if ((fromName == NULL) || (toName == NULL)) {
rc = -ENOMEM;
goto cifs_rename_exit;
}
rc = CIFSSMBRename(xid, pTcon, fromName, toName,
cifs_sb_source->local_nls,
cifs_sb_source->mnt_cifs_flags &
CIFS_MOUNT_MAP_SPECIAL_CHR);
if (rc == -EEXIST) {
/* check if they are the same file because rename of hardlinked
files is a noop */
FILE_UNIX_BASIC_INFO *info_buf_source;
FILE_UNIX_BASIC_INFO *info_buf_target;
info_buf_source =
kmalloc(2 * sizeof(FILE_UNIX_BASIC_INFO), GFP_KERNEL);
if (info_buf_source != NULL) {
info_buf_target = info_buf_source + 1;
if (pTcon->unix_ext)
rc = CIFSSMBUnixQPathInfo(xid, pTcon, fromName,
info_buf_source,
cifs_sb_source->local_nls,
cifs_sb_source->mnt_cifs_flags &
CIFS_MOUNT_MAP_SPECIAL_CHR);
/* else rc is still EEXIST so will fall through to
unlink the target and retry rename */
if (rc == 0) {
rc = CIFSSMBUnixQPathInfo(xid, pTcon, toName,
info_buf_target,
cifs_sb_target->local_nls,
/* remap based on source sb */
cifs_sb_source->mnt_cifs_flags &
CIFS_MOUNT_MAP_SPECIAL_CHR);
}
if ((rc == 0) &&
(info_buf_source->UniqueId ==
info_buf_target->UniqueId)) {
/* do not rename since the files are hardlinked which
is a noop */
} else {
/* we either can not tell the files are hardlinked
(as with Windows servers) or files are not
hardlinked so delete the target manually before
renaming to follow POSIX rather than Windows
semantics */
cifs_unlink(target_inode, target_direntry);
rc = CIFSSMBRename(xid, pTcon, fromName,
toName,
cifs_sb_source->local_nls,
cifs_sb_source->mnt_cifs_flags
& CIFS_MOUNT_MAP_SPECIAL_CHR);
}
kfree(info_buf_source);
} /* if we can not get memory just leave rc as EEXIST */
}
if (rc)
cFYI(1, ("rename rc %d", rc));
if ((rc == -EIO) || (rc == -EEXIST)) {
int oplock = FALSE;
__u16 netfid;
/* BB FIXME Is Generic Read correct for rename? */
/* if renaming directory - we should not say CREATE_NOT_DIR,
need to test renaming open directory, also GENERIC_READ
might not right be right access to request */
rc = CIFSSMBOpen(xid, pTcon, fromName, FILE_OPEN, GENERIC_READ, FILE_SHARE_ALL,
CREATE_NOT_DIR, &netfid, &oplock, NULL,
cifs_sb_source->local_nls,
cifs_sb_source->mnt_cifs_flags &
//.........这里部分代码省略.........
开发者ID:piastry，项目名称:etercifs，代码行数:101，代码来源:inode.c
示例14: cifs_create
int
cifs_create(struct inode *inode, struct dentry *direntry, int mode,
struct nameidata *nd)
{
int rc = -ENOENT;
int xid;
int create_options = CREATE_NOT_DIR;
int oplock = 0;
int desiredAccess = GENERIC_READ | GENERIC_WRITE;
__u16 fileHandle;
struct cifs_sb_info *cifs_sb;
struct cifsTconInfo *pTcon;
char *full_path = NULL;
FILE_ALL_INFO *buf = NULL;
struct inode *newinode = NULL;
struct cifsFileInfo *pCifsFile = NULL;
struct cifsInodeInfo *pCifsInode;
int disposition = FILE_OVERWRITE_IF;
bool write_only = false;
xid = GetXid();
cifs_sb = CIFS_SB(inode->i_sb);
pTcon = cifs_sb->tcon;
full_path = build_path_from_dentry(direntry);
if (full_path == NULL) {
FreeXid(xid);
return -ENOMEM;
}
if (nd && (nd->flags & LOOKUP_OPEN)) {
int oflags = nd->intent.open.flags;
desiredAccess = 0;
if (oflags & FMODE_READ)
desiredAccess |= GENERIC_READ;
if (oflags & FMODE_WRITE) {
desiredAccess |= GENERIC_WRITE;
if (!(oflags & FMODE_READ))
write_only = true;
}
if ((oflags & (O_CREAT | O_EXCL)) == (O_CREAT | O_EXCL))
disposition = FILE_CREATE;
else if ((oflags & (O_CREAT | O_TRUNC)) == (O_CREAT | O_TRUNC))
disposition = FILE_OVERWRITE_IF;
else if ((oflags & O_CREAT) == O_CREAT)
disposition = FILE_OPEN_IF;
else
cFYI(1, ("Create flag not set in create function"));
}
/* BB add processing to set equivalent of mode - e.g. via CreateX with
ACLs */
if (oplockEnabled)
oplock = REQ_OPLOCK;
buf = kmalloc(sizeof(FILE_ALL_INFO), GFP_KERNEL);
if (buf == NULL) {
kfree(full_path);
FreeXid(xid);
return -ENOMEM;
}
mode &= ~current->fs->umask;
/*
* if we're not using unix extensions, see if we need to set
* ATTR_READONLY on the create call
*/
if (!pTcon->unix_ext && (mode & S_IWUGO) == 0)
create_options |= CREATE_OPTION_READONLY;
if (cifs_sb->tcon->ses->capabilities & CAP_NT_SMBS)
rc = CIFSSMBOpen(xid, pTcon, full_path, disposition,
desiredAccess, create_options,
&fileHandle, &oplock, buf, cifs_sb->local_nls,
cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR);
else
rc = -EIO; /* no NT SMB support fall into legacy open below */
if (rc == -EIO) {
/* old server, retry the open legacy style */
rc = SMBLegacyOpen(xid, pTcon, full_path, disposition,
desiredAccess, create_options,
&fileHandle, &oplock, buf, cifs_sb->local_nls,
cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR);
}
if (rc) {
cFYI(1, ("cifs_create returned 0x%x", rc));
} else {
/* If Open reported that we actually created a file
then we now have to set the mode if possible */
if ((pTcon->unix_ext) && (oplock & CIFS_CREATE_ACTION)) {
struct cifs_unix_set_info_args args = {
.mode = mode,
.ctime = NO_CHANGE_64,
.atime = NO_CHANGE_64,
.mtime = NO_CHANGE_64,
//.........这里部分代码省略.........
开发者ID:Mr-Aloof，项目名称:wl500g，代码行数:101，代码来源:dir.c
示例15: cifs_unlink
int cifs_unlink(struct inode *inode, struct dentry *direntry)
{
int rc = 0;
int xid;
struct cifs_sb_info *cifs_sb;
struct cifsTconInfo *pTcon;
char *full_path = NULL;
struct cifsInodeInfo *cifsInode;
FILE_BASIC_INFO *pinfo_buf;
cFYI(1, (" cifs_unlink, inode = 0x%p with ", inode));
xid = GetXid();
cifs_sb = CIFS_SB(inode->i_sb);
pTcon = cifs_sb->tcon;
/* Unlink can be called from rename so we can not grab the sem here
since we deadlock otherwise */
/* down(&direntry->d_sb->s_vfs_rename_sem);*/
full_path = build_path_from_dentry(direntry);
/* up(&direntry->d_sb->s_vfs_rename_sem);*/
if (full_path == NULL) {
FreeXid(xid);
return -ENOMEM;
}
rc = CIFSSMBDelFile(xid, pTcon, full_path, cifs_sb->local_nls,
cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR);
if (!rc) {
if (direntry->d_inode)
direntry->d_inode->i_nlink--;
} else if (rc == -ENOENT) {
d_drop(direntry);
} else if (rc == -ETXTBSY) {
int oplock = FALSE;
__u16 netfid;
rc = CIFSSMBOpen(xid, pTcon, full_path, FILE_OPEN, DELETE,
CREATE_NOT_DIR | CREATE_DELETE_ON_CLOSE,
&netfid, &oplock, NULL, cifs_sb->local_nls,
cifs_sb->mnt_cifs_flags &
CIFS_MOUNT_MAP_SPECIAL_CHR);
if (rc==0) {
CIFSSMBRenameOpenFile(xid, pTcon, netfid, NULL,
cifs_sb->local_nls,
cifs_sb->mnt_cifs_flags &
CIFS_MOUNT_MAP_SPECIAL_CHR);
CIFSSMBClose(xid, pTcon, netfid);
if (direntry->d_inode)
direntry->d_inode->i_nlink--;
}
} else if (rc == -EACCES) {
/* try only if r/o attribute set in local lookup data? */
pinfo_buf = kmalloc(sizeof(FILE_BASIC_INFO), GFP_KERNEL);
if (pinfo_buf) {
memset(pinfo_buf, 0, sizeof(FILE_BASIC_INFO));
/* ATTRS set to normal clears r/o bit */
pinfo_buf->Attributes = cpu_to_le32(ATTR_NORMAL);
if (!(pTcon->ses->flags & CIFS_SES_NT4))
rc = CIFSSMBSetTimes(xid, pTcon, full_path,
pinfo_buf,
cifs_sb->local_nls,
cifs_sb->mnt_cifs_flags &
CIFS_MOUNT_MAP_SPECIAL_CHR);
else
rc = -EOPNOTSUPP;
if (rc == -EOPNOTSUPP) {
int oplock = FALSE;
__u16 netfid;
/* rc = CIFSSMBSetAttrLegacy(xid, pTcon,
full_path,
(__u16)ATTR_NORMAL,
cifs_sb->local_nls);
For some strange reason it seems that NT4 eats the
old setattr call without actually setting the
attributes so on to the third attempted workaround
*/
/* BB could scan to see if we already have it open
and pass in pid of opener to function */
rc = CIFSSMBOpen(xid, pTcon, full_path,
FILE_OPEN, SYNCHRONIZE |
FILE_WRITE_ATTRIBUTES, 0,
&netfid, &oplock, NULL,
cifs_sb->local_nls,
cifs_sb->mnt_cifs_flags &
CIFS_MOUNT_MAP_SPECIAL_CHR);
if (rc==0) {
rc = CIFSSMBSetFileTimes(xid, pTcon,
pinfo_buf,
netfid);
CIFSSMBClose(xid, pTcon, netfid);
}
}
kfree(pinfo_buf);
}
if (rc==0) {
rc = CIFSSMBDelFile(xid, pTcon, full_path,
//.........这里部分代码省略.........
开发者ID:foxsat-hdr，项目名称:linux-kernel，代码行数:101，代码来源:inode.c
示例16: cifs_create
//.........这里部分代码省略.........
desiredAccess = 0;
if (OPEN_FMODE(oflags) & FMODE_READ)
desiredAccess |= GENERIC_READ; /* is this too little? */
if (OPEN_FMODE(oflags) & FMODE_WRITE)
desiredAccess |= GENERIC_WRITE;
if ((oflags & (O_CREAT | O_EXCL)) == (O_CREAT | O_EXCL))
disposition = FILE_CREATE;
else if ((oflags & (O_CREAT | O_TRUNC)) == (O_CREAT | O_TRUNC))
disposition = FILE_OVERWRITE_IF;
else if ((oflags & O_CREAT) == O_CREAT)
disposition = FILE_OPEN_IF;
else
cFYI(1, "Create flag not set in create function");
}
/* BB add processing to set equivalent of mode - e.g. via CreateX with
ACLs */
buf = kmalloc(sizeof(FILE_ALL_INFO), GFP_KERNEL);
if (buf == NULL) {
rc = -ENOMEM;
goto cifs_create_out;
}
/*
* if we're not using unix extensions, see if we need to set
* ATTR_READONLY on the create call
*/
if (!tcon->unix_ext && (mode & S_IWUGO) == 0)
create_options |= CREATE_OPTION_READONLY;
if (tcon->ses->capabilities & CAP_NT_SMBS)
rc = CIFSSMBOpen(xid, tcon, full_path, disposition,
desiredAccess, create_options,
&fileHandle, &oplock, buf, cifs_sb->local_nls,
cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR);
else
rc = -EIO; /* no NT SMB support fall into legacy open below */
if (rc == -EIO) {
/* old server, retry the open legacy style */
rc = SMBLegacyOpen(xid, tcon, full_path, disposition,
desiredAccess, create_options,
&fileHandle, &oplock, buf, cifs_sb->local_nls,
cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR);
}
if (rc) {
cFYI(1, "cifs_create returned 0x%x", rc);
goto cifs_create_out;
}
/* If Open reported that we actually created a file
then we now have to set the mode if possible */
if ((tcon->unix_ext) && (oplock & CIFS_CREATE_ACTION)) {
struct cifs_unix_set_info_args args = {
.mode = mode,
.ctime = NO_CHANGE_64,
.atime = NO_CHANGE_64,
.mtime = NO_CHANGE_64,
.device = 0,
};
if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_SET_UID) {
args.uid = (__u64) current_fsuid();
if (inode->i_mode & S_ISGID)
开发者ID:303750856，项目名称:linux-3.1，代码行数:67，代码来源:dir.c
示例17: cifs_mknod
int cifs_mknod(struct inode *inode, struct dentry *direntry, int mode,
dev_t device_number)
{
int rc = -EPERM;
int xid;
struct cifs_sb_info *cifs_sb;
struct cifsTconInfo *pTcon;
char *full_path = NULL;
struct inode *newinode = NULL;
int oplock = 0;
u16 fileHandle;
FILE_ALL_INFO *buf = NULL;
unsigned int bytes_written;
struct win_dev *pdev;
if (!old_valid_dev(device_number))
return -EINVAL;
xid = GetXid();
cifs_sb = CIFS_SB(inode->i_sb);
pTcon = cifs_sb->tcon;
full_path = build_path_from_dentry(direntry);
if (full_path == NULL) {
rc = -ENOMEM;
goto mknod_out;
}
if (pTcon->unix_ext) {
struct cifs_unix_set_info_args args = {
.mode = mode & ~current_umask(),
.ctime = NO_CHANGE_64,
.atime = NO_CHANGE_64,
.mtime = NO_CHANGE_64,
.device = device_number,
};
if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_SET_UID) {
args.uid = (__u64) current_fsuid();
args.gid = (__u64) current_fsgid();
} else {
args.uid = NO_CHANGE_64;
args.gid = NO_CHANGE_64;
}
rc = CIFSSMBUnixSetPathInfo(xid, pTcon, full_path, &args,
cifs_sb->local_nls,
cifs_sb->mnt_cifs_flags &
CIFS_MOUNT_MAP_SPECIAL_CHR);
if (rc)
goto mknod_out;
rc = cifs_get_inode_info_unix(&newinode, full_path,
inode->i_sb, xid);
if (pTcon->nocase)
direntry->d_op = &cifs_ci_dentry_ops;
else
direntry->d_op = &cifs_dentry_ops;
if (rc == 0)
d_instantiate(direntry, newinode);
goto mknod_out;
}
if (!(cifs_sb->mnt_cifs_flags & CIFS_MOUNT_UNX_EMUL))
goto mknod_out;
cFYI(1, "sfu compat create special file");
buf = kmalloc(sizeof(FILE_ALL_INFO), GFP_KERNEL);
if (buf == NULL) {
kfree(full_path);
rc = -ENOMEM;
FreeXid(xid);
return rc;
}
rc = CIFSSMBOpen(xid, pTcon, full_path, FILE_CREATE,
GENERIC_WRITE, CREATE_NOT_DIR | CREATE_OPTION_SPECIAL,
&fileHandle, &oplock, buf, cifs_sb->local_nls,
cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MAP_SPECIAL_CHR);
if (rc)
goto mknod_out;
/* BB Do not bother to decode buf since no local inode yet to put
* timestamps in, but we can reuse it safely */
pdev = (struct win_dev *)buf;
if (S_ISCHR(mode)) {
memcpy(pdev->type, "IntxCHR", 8);
pdev->major =
cpu_to_le64(MAJOR(device_number));
pdev->minor =
cpu_to_le64(MINOR(device_number));
rc = CIFSSMBWrite(xid, pTcon,
fileHandle,
sizeof(struct win_dev),
0, &bytes_written, (char *)pdev,
NULL, 0);
} else if (S_ISBLK(mode)) {
//.........这里部分代码省略.........
开发者ID:3sOx，项目名称:asuswrt-merlin，代码行数:101，代码来源:dir.c
示例18: cifs_unlink
int
cifs_unlink(struct inode *inode, struct dentry *direntry)
{
int rc = 0;
int xid;
struct cifs_sb_info *cifs_sb;
struct cifsTconInfo *pTcon;
char *full_path = NULL;
struct cifsInodeInfo *cifsInode;
FILE_BASIC_INFO * pinfo_buf;
cFYI(1, (" cifs_unlink, inode = 0x%p with ", inode));
xid = GetXid();
cifs_sb = CIFS_SB(inode->i_sb);
pTcon = cifs_sb->tcon;
/* Unlink can be called from rename so we can not grab
the sem here since we deadlock otherwise */
/* down(&direntry->d_sb->s_vfs_rename_sem);*/
full_path = build_path_from_dentry(direntry);
/* up(&direntry->d_sb->s_vfs_rename_sem);*/
if(full_path == NULL) {
FreeXid(xid);
return -ENOMEM;
}
rc = CIFSSMBDelFile(xid, pTcon, full_path, cifs_sb->local_nls);
if (!rc) {
direntry->d_inode->i_nlink--;
} else if (rc == -ENOENT) {
d_drop(direntry);
} else if (rc == -ETXTBSY) {
int oplock = FALSE;
__u16 netfid;
rc = CIFSSMBOpen(xid, pTcon, full_path, FILE_OPEN, DELETE,
CREATE_NOT_DIR | CREATE_DELETE_ON_CLOSE,
&netfid, &oplock, NULL, cifs_sb->local_nls);
if(rc==0) {
CIFSSMBRenameOpenFile(xid,pTcon,netfid,
NULL, cifs_sb->local_nls);
CIFSSMBClose(xid, pTcon, netfid);
direntry->d_inode->i_nlink--;
}
} else if (rc == -EACCES) {
/* try only if r/o attribute set in local lookup data? */
pinfo_buf = (FILE_BASIC_INFO *)kmalloc(sizeof(FILE_BASIC_INFO),GFP_KERNEL);
if(pinfo_buf) {
memset(pinfo_buf,0,sizeof(FILE_BASIC_INFO));
/* ATTRS set to normal clears r/o bit */
pinfo_buf->Attributes = cpu_to_le32(ATTR_NORMAL);
rc = CIFSSMBSetTimes(xid, pTcon, full_path, pinfo_buf,
cifs_sb->local_nls);
kfree(pinfo_buf);
}
if(rc==0) {
rc = CIFSSMBDelFile(xid, pTcon, full_path, cifs_sb->local_nls);
if (!rc) {
direntry->d_inode->i_nlink--;
} else if (rc == -ETXTBSY) {
int oplock = FALSE;
__u16 netfid;
rc = CIFSSMBOpen(xid, pTcon, full_path, FILE_OPEN, DELETE,
CREATE_NOT_DIR | CREATE_DELETE_ON_CLOSE,
&netfid, &oplock, NULL, cifs_sb->local_nls);
if(rc==0) {
CIFSSMBRenameOpenFile(xid,pTcon,netfid,NULL,cifs_sb->local_nls);
CIFSSMBClose(xid, pTcon, netfid);
direntry->d_inode->i_nlink--;
}
/* BB if rc = -ETXTBUSY goto the rename logic BB */
}
}
}
cifsInode = CIFS_I(direntry->d_inode);
cifsInode->time = 0; /* will force revalidate to get info when needed */
direntry->d_inode->i_ctime = inode->i_ctime = inode->i_mtime =
CURRENT_TIME;
cifsInode = CIFS_I(inode);
cifsInode->time = 0; /* force revalidate of dir as well */
if (full_path)
kfree(full_path);
FreeXid(xid);
return rc;
}
开发者ID:FelipeFernandes1988，项目名称:Alice-1121-Modem，代码行数:89，代码来源:inode.c
示例19: cifs_rename
int
cifs_rename(struct inode *source_inode, struct dentry *source_direntry,
struct inode *target_inode, struct dentry *target_direntry)
{
char *fromName;
char *toName;
struct cifs_sb_info *cifs_sb_source;
struct cifs_sb_info *cifs_sb_target;
struct cifsTconInfo *pTcon;
int xid;
int rc = 0;
xid = GetXid();
cifs_sb_target = CIFS_SB(target_inode->i_sb);
cifs_sb_source = CIFS_SB(source_inode->i_sb);
pTcon = cifs_sb_source->tcon;
if (pTcon != cifs_sb_target->tcon) {
FreeXid(xid);
return -EXDEV; /* BB actually could be allowed if same server, but
different share. Might eventually add support for this */
}
/* we already have the rename sem so we do not need
to grab it again here to protect the path integrity */
fromName = build_path_from_dentry(source_direntry);
toName = build_path_from_dentry(target_direntry);
if((fromName == NULL) || (toName == NULL)) {
rc = -ENOMEM;
goto cifs_rename_exit;
}
rc = CIFSSMBRename(xid, pTcon, fromName, toName,
cifs_sb_source->local_nls);
if(rc == -EEXIST) {
/* check if they are the same file
because rename of hardlinked files is a noop */
FILE_UNIX_BASIC_INFO * info_buf_source;
FILE_UNIX_BASIC_INFO * info_buf_target;
info_buf_source =
kmalloc(2 * sizeof(FILE_UNIX_BASIC_INFO),GFP_KERNEL);
if(info_buf_source != NULL) {
info_buf_target = info_buf_source+1;
rc = CIFSSMBUnixQPathInfo(xid, pTcon, fromName,
info_buf_source, cifs_sb_source->local_nls);
if(rc == 0) {
rc = CIFSSMBUnixQPathInfo(xid,pTcon,toName,
info_buf_target,
cifs_sb_target->local_nls);
}
if((rc == 0) &&
(info_buf_source->UniqueId ==
info_buf_target->UniqueId)) {
/* do not rename since the files are hardlinked
which is a noop */
} else {
/* we either can not tell the files are hardlinked
(as with Windows servers) or files are not hardlinked
so delete the target manually before renaming to
follow POSIX rather than Windows semantics */
cifs_unlink(target_inode, target_direntry);
rc = CIFSSMBRename(xid, pTcon, fromName, toName,
cifs_sb_source->local_nls);
}
kfree(info_buf_source);
} /* if we can not get memory just leave rc as EEXIST */
}
if((rc == -EIO)||(rc == -EEXIST)) {
int oplock = FALSE;
__u16 netfid;
rc = CIFSSMBOpen(xid, pTcon, fromName, FILE_OPEN, GENERIC_READ,
CREATE_NOT_DIR,
&netfid, &oplock, NULL, cifs_sb_source->local_nls);
if(rc==0) {
CIFSSMBRenameOpenFile(xid,pTcon,netfid,
toName, cifs_sb_source->local_nls);
CIFSSMBClose(xid, pTcon, netfid);
}
}
cifs_rename_exit:
if (fromName)
kfree(fromName);
if (toName)
kfree(toName);
FreeXid(xid);
return rc;
}
开发者ID:FelipeFernandes1988，项目名称:Alice-1121-Modem，代码行数:93，代码来源:inode.c
示例20: cifs_readlink
int
cifs_readlink(struct dentry *direntry, char __user *pBuffer, int buflen)
{
struct inode *inode = direntry->d_inode;
int rc = -EACCES;
int xid;
int oplock = 0;
struct cifs_sb_info *cifs_sb;
struct cifsTconInfo *pTcon;
char *full_path = NULL;
char *tmpbuffer;
int len;
__u16 fid;
xid = GetXid();
cifs_sb = CIFS_SB(inode->i_sb);
pTcon = cifs_sb->tcon;
/* BB would it be safe against deadlock to grab this sem
even though rename itself grabs the sem and calls lookup? */
/* mutex_lock(&inode->i_sb->s_vfs_rename_mutex);*/
full_path = build_path_from_dentry(direntry);
/* mutex_unlock(&inode->i_sb->s_vfs_rename_mutex);*/
if (full_path == NULL) {
FreeXid(xid);
return -ENOMEM;
}
cFYI(1,
("Full path: %s inode = 0x%p pBuffer = 0x%p buflen = %d",
full_path, inode, pBuffer, buflen));
if (buflen > PATH_MAX)
len = PATH_MAX;
else
len = buflen;
tmpbuffer = kmalloc(len, GFP_KERNEL);
if (tmpbuffer == NULL) {
kfree(full_path);
FreeXid(xid);
return -ENOMEM;
}
/* BB add read reparse point symlink code and
Unix extensions symlink code here BB */
/* We could disable this based on pTcon->unix_ext flag instead .
|
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