*/
#include "includes.h"
+#include "smbd/smbd.h"
#include "onefs.h"
#include "onefs_config.h"
#include <sys/isi_enc.h>
-/*
- * OneFS stores streams without the explicit :$DATA at the end, so this strips
- * it off. All onefs_stream functions must call through this instead of
- * split_ntfs_stream_name directly.
- */
-NTSTATUS onefs_split_ntfs_stream_name(TALLOC_CTX *mem_ctx, const char *fname,
- char **pbase, char **pstream)
+NTSTATUS onefs_stream_prep_smb_fname(TALLOC_CTX *ctx,
+ const struct smb_filename *smb_fname_in,
+ struct smb_filename **smb_fname_out)
{
+ char *stream_name = NULL;
NTSTATUS status;
- char *stream;
-
- status = split_ntfs_stream_name(mem_ctx, fname, pbase, pstream);
- if (!NT_STATUS_IS_OK(status)) {
- return status;
- }
-
- /* Default $DATA stream. */
- if (pstream == NULL || *pstream == NULL) {
- return NT_STATUS_OK;
- }
- /* Strip off the $DATA. */
- stream = strrchr_m(*pstream, ':');
- SMB_ASSERT(stream);
- stream[0] = '\0';
+ /*
+ * Only attempt to strip off the trailing :$DATA if there is an actual
+ * stream there. If it is the default stream, the smb_fname_out will
+ * just have a NULL stream so the base file is opened.
+ */
+ if (smb_fname_in->stream_name &&
+ !is_ntfs_default_stream_smb_fname(smb_fname_in)) {
+ char *str_tmp = smb_fname_in->stream_name;
- return NT_STATUS_OK;
-}
+ /* First strip off the leading ':' */
+ if (str_tmp[0] == ':') {
+ str_tmp++;
+ }
-int onefs_is_stream(const char *path, char **pbase, char **pstream,
- bool *is_stream)
-{
- (*is_stream) = is_ntfs_stream_name(path);
+ /* Create a new copy of the stream_name. */
+ stream_name = talloc_strdup(ctx, str_tmp);
+ if (stream_name == NULL) {
+ return NT_STATUS_NO_MEMORY;
+ }
- if (!(*is_stream)) {
- return 0;
+ /* Strip off the :$DATA if one exists. */
+ str_tmp = strrchr_m(stream_name, ':');
+ if (str_tmp) {
+ if (strcasecmp_m(str_tmp, ":$DATA") != 0) {
+ return NT_STATUS_INVALID_PARAMETER;
+ }
+ str_tmp[0] = '\0';
+ }
}
- if (!NT_STATUS_IS_OK(onefs_split_ntfs_stream_name(talloc_tos(), path,
- pbase, pstream))) {
- DEBUG(10, ("onefs_split_ntfs_stream_name failed\n"));
- errno = ENOMEM;
- return -1;
- }
+ /*
+ * If there was a stream that wasn't the default stream the leading
+ * colon and trailing :$DATA has now been stripped off. Create a new
+ * smb_filename to pass back.
+ */
+ status = create_synthetic_smb_fname(ctx, smb_fname_in->base_name,
+ stream_name, &smb_fname_in->st,
+ smb_fname_out);
+ TALLOC_FREE(stream_name);
- return 0;
+ if (!NT_STATUS_IS_OK(status)) {
+ DEBUG(5, ("Failed to prep stream name for %s: %s\n",
+ *smb_fname_out ?
+ smb_fname_str_dbg(*smb_fname_out) : "NULL",
+ nt_errstr(status)));
+ }
+ return status;
}
int onefs_close(vfs_handle_struct *handle, struct files_struct *fsp)
int dir_fd;
int saved_errno;
+ DEBUG(10, ("Getting stream directory fd: %s (%d)\n", base,
+ base_fdp ? *base_fdp : -1));
+
/* If a valid base_fdp was given, use it. */
if (base_fdp && *base_fdp >= 0) {
base_fd = *base_fdp;
0,
NULL);
if (base_fd < 0) {
+ DEBUG(5, ("Failed getting base fd: %s\n",
+ strerror(errno)));
return -1;
}
}
*base_fdp = base_fd;
}
+ if (dir_fd < 0) {
+ DEBUG(5, ("Failed getting stream directory fd: %s\n",
+ strerror(errno)));
+ }
+
return dir_fd;
}
-int onefs_rename(vfs_handle_struct *handle, const char *oldname,
- const char *newname)
+int onefs_rename(vfs_handle_struct *handle,
+ const struct smb_filename *smb_fname_src,
+ const struct smb_filename *smb_fname_dst)
{
- TALLOC_CTX *frame = NULL;
- int ret = -1;
- int dir_fd = -1;
+ struct smb_filename *smb_fname_src_onefs = NULL;
+ struct smb_filename *smb_fname_dst_onefs = NULL;
+ NTSTATUS status;
int saved_errno;
- bool old_is_stream;
- bool new_is_stream;
- char *obase = NULL;
- char *osname = NULL;
- char *nbase = NULL;
- char *nsname = NULL;
+ int dir_fd = -1;
+ int ret = -1;
START_PROFILE(syscall_rename_at);
- frame = talloc_stackframe();
-
- ret = onefs_is_stream(oldname, &obase, &osname, &old_is_stream);
- if (ret) {
- END_PROFILE(syscall_rename_at);
- return ret;
+ if (!is_ntfs_stream_smb_fname(smb_fname_src) &&
+ !is_ntfs_stream_smb_fname(smb_fname_dst)) {
+ ret = SMB_VFS_NEXT_RENAME(handle, smb_fname_src,
+ smb_fname_dst);
+ goto done;
}
- ret = onefs_is_stream(newname, &nbase, &nsname, &new_is_stream);
- if (ret) {
- END_PROFILE(syscall_rename_at);
- return ret;
+ /* For now don't allow renames from or to the default stream. */
+ if (is_ntfs_default_stream_smb_fname(smb_fname_src) ||
+ is_ntfs_default_stream_smb_fname(smb_fname_dst)) {
+ DEBUG(3, ("Unable to rename to/from a default stream: %s -> "
+ "%s\n", smb_fname_str_dbg(smb_fname_src),
+ smb_fname_str_dbg(smb_fname_dst)));
+ errno = ENOSYS;
+ goto done;
}
- if (!old_is_stream && !new_is_stream) {
- ret = SMB_VFS_NEXT_RENAME(handle, oldname, newname);
- END_PROFILE(syscall_rename_at);
- return ret;
+ /* prep stream smb_filename structs. */
+ status = onefs_stream_prep_smb_fname(talloc_tos(), smb_fname_src,
+ &smb_fname_src_onefs);
+ if (!NT_STATUS_IS_OK(status)) {
+ errno = map_errno_from_nt_status(status);
+ goto done;
+ }
+ status = onefs_stream_prep_smb_fname(talloc_tos(), smb_fname_dst,
+ &smb_fname_dst_onefs);
+ if (!NT_STATUS_IS_OK(status)) {
+ errno = map_errno_from_nt_status(status);
+ goto done;
}
- dir_fd = get_stream_dir_fd(handle->conn, obase, NULL);
+ dir_fd = get_stream_dir_fd(handle->conn, smb_fname_src->base_name,
+ NULL);
if (dir_fd < -1) {
goto done;
}
- DEBUG(8,("onefs_rename called for %s : %s => %s : %s\n",
- obase, osname, nbase, nsname));
+ DEBUG(8, ("onefs_rename called for %s => %s\n",
+ smb_fname_str_dbg(smb_fname_src_onefs),
+ smb_fname_str_dbg(smb_fname_dst_onefs)));
/* Handle rename of stream to default stream specially. */
- if (nsname == NULL) {
- ret = enc_renameat(dir_fd, osname, ENC_DEFAULT, AT_FDCWD,
- nbase, ENC_DEFAULT);
+ if (smb_fname_dst_onefs->stream_name == NULL) {
+ ret = enc_renameat(dir_fd, smb_fname_src_onefs->stream_name,
+ ENC_DEFAULT, AT_FDCWD,
+ smb_fname_dst_onefs->base_name,
+ ENC_DEFAULT);
} else {
- ret = enc_renameat(dir_fd, osname, ENC_DEFAULT, dir_fd, nsname,
+ ret = enc_renameat(dir_fd, smb_fname_src_onefs->stream_name,
+ ENC_DEFAULT, dir_fd,
+ smb_fname_dst_onefs->stream_name,
ENC_DEFAULT);
}
done:
END_PROFILE(syscall_rename_at);
+ TALLOC_FREE(smb_fname_src_onefs);
+ TALLOC_FREE(smb_fname_dst_onefs);
saved_errno = errno;
if (dir_fd >= 0) {
close(dir_fd);
}
errno = saved_errno;
- TALLOC_FREE(frame);
return ret;
}
/* Stat the stream. */
ret = onefs_sys_fstat_at(dir_fd, stream, sbuf, flags);
if (ret != -1) {
+ DEBUG(10, ("stat of stream '%s' failed: %s\n", stream,
+ strerror(errno)));
+ } else {
/* Now stat the base file and merge the results. */
ret = onefs_sys_fstat(base_fd, &base_sbuf);
if (ret != -1) {
return ret;
}
-int onefs_stat(vfs_handle_struct *handle, const char *path,
- SMB_STRUCT_STAT *sbuf)
+int onefs_stat(vfs_handle_struct *handle, struct smb_filename *smb_fname)
{
+ struct smb_filename *smb_fname_onefs = NULL;
+ NTSTATUS status;
int ret;
- bool is_stream;
- char *base = NULL;
- char *stream = NULL;
- ret = onefs_is_stream(path, &base, &stream, &is_stream);
- if (ret)
- return ret;
+ status = onefs_stream_prep_smb_fname(talloc_tos(), smb_fname,
+ &smb_fname_onefs);
+ if (!NT_STATUS_IS_OK(status)) {
+ errno = map_errno_from_nt_status(status);
+ return -1;
+ }
- if (!is_stream) {
- ret = onefs_sys_stat(path, sbuf);
- } else if (!stream) {
- /* If it's the ::$DATA stream just stat the base file name. */
- ret = onefs_sys_stat(base, sbuf);
+ /*
+ * If the smb_fname has no stream or is :$DATA, then just stat the
+ * base stream. Otherwise stat the stream.
+ */
+ if (!is_ntfs_stream_smb_fname(smb_fname_onefs)) {
+ ret = onefs_sys_stat(smb_fname_onefs->base_name,
+ &smb_fname->st);
} else {
- ret = stat_stream(handle->conn, base, stream, sbuf, 0);
+ ret = stat_stream(handle->conn, smb_fname_onefs->base_name,
+ smb_fname_onefs->stream_name, &smb_fname->st,
+ 0);
}
- onefs_adjust_stat_time(handle->conn, path, sbuf);
+ onefs_adjust_stat_time(handle->conn, smb_fname->base_name,
+ &smb_fname->st);
+
+ TALLOC_FREE(smb_fname_onefs);
+
return ret;
}
}
}
- onefs_adjust_stat_time(handle->conn, fsp->fsp_name, sbuf);
+ onefs_adjust_stat_time(handle->conn, fsp->fsp_name->base_name, sbuf);
return ret;
}
-int onefs_lstat(vfs_handle_struct *handle, const char *path,
- SMB_STRUCT_STAT *sbuf)
+int onefs_lstat(vfs_handle_struct *handle, struct smb_filename *smb_fname)
{
+ struct smb_filename *smb_fname_onefs = NULL;
+ NTSTATUS status;
int ret;
- bool is_stream;
- char *base = NULL;
- char *stream = NULL;
- ret = onefs_is_stream(path, &base, &stream, &is_stream);
- if (ret)
- return ret;
+ status = onefs_stream_prep_smb_fname(talloc_tos(), smb_fname,
+ &smb_fname_onefs);
+ if (!NT_STATUS_IS_OK(status)) {
+ errno = map_errno_from_nt_status(status);
+ return -1;
+ }
- if (!is_stream) {
- ret = onefs_sys_lstat(path, sbuf);
- } else if (!stream) {
- /* If it's the ::$DATA stream just stat the base file name. */
- ret = onefs_sys_lstat(base, sbuf);
+ /*
+ * If the smb_fname has no stream or is :$DATA, then just stat the
+ * base stream. Otherwise stat the stream.
+ */
+ if (!is_ntfs_stream_smb_fname(smb_fname_onefs)) {
+ ret = onefs_sys_lstat(smb_fname_onefs->base_name,
+ &smb_fname->st);
} else {
- ret = stat_stream(handle->conn, base, stream, sbuf,
+ ret = stat_stream(handle->conn, smb_fname_onefs->base_name,
+ smb_fname_onefs->stream_name, &smb_fname->st,
AT_SYMLINK_NOFOLLOW);
}
- onefs_adjust_stat_time(handle->conn, path, sbuf);
+ onefs_adjust_stat_time(handle->conn, smb_fname->base_name,
+ &smb_fname->st);
+
+ TALLOC_FREE(smb_fname_onefs);
+
return ret;
}
-int onefs_unlink(vfs_handle_struct *handle, const char *path)
+int onefs_unlink(vfs_handle_struct *handle,
+ const struct smb_filename *smb_fname)
{
+ struct smb_filename *smb_fname_onefs = NULL;
int ret;
- bool is_stream;
- char *base = NULL;
- char *stream = NULL;
int dir_fd, saved_errno;
+ NTSTATUS status;
- ret = onefs_is_stream(path, &base, &stream, &is_stream);
- if (ret) {
- return ret;
+ /* Not a stream. */
+ if (!is_ntfs_stream_smb_fname(smb_fname)) {
+ return SMB_VFS_NEXT_UNLINK(handle, smb_fname);
}
- if (!is_stream) {
- return SMB_VFS_NEXT_UNLINK(handle, path);
+ status = onefs_stream_prep_smb_fname(talloc_tos(), smb_fname,
+ &smb_fname_onefs);
+ if (!NT_STATUS_IS_OK(status)) {
+ errno = map_errno_from_nt_status(status);
+ return -1;
}
- /* If it's the ::$DATA stream just unlink the base file name. */
- if (!stream) {
- return SMB_VFS_NEXT_UNLINK(handle, base);
+ /* Default stream (the ::$DATA was just stripped off). */
+ if (!is_ntfs_stream_smb_fname(smb_fname_onefs)) {
+ ret = SMB_VFS_NEXT_UNLINK(handle, smb_fname_onefs);
+ goto out;
}
- dir_fd = get_stream_dir_fd(handle->conn, base, NULL);
+ dir_fd = get_stream_dir_fd(handle->conn, smb_fname_onefs->base_name,
+ NULL);
if (dir_fd < 0) {
- return -1;
+ ret = -1;
+ goto out;
}
- ret = enc_unlinkat(dir_fd, stream, ENC_DEFAULT, 0);
+ ret = enc_unlinkat(dir_fd, smb_fname_onefs->stream_name, ENC_DEFAULT,
+ 0);
saved_errno = errno;
close(dir_fd);
errno = saved_errno;
+ out:
+ TALLOC_FREE(smb_fname_onefs);
return ret;
}
-int onefs_vtimes_streams(vfs_handle_struct *handle, const char *fname,
+int onefs_vtimes_streams(vfs_handle_struct *handle,
+ const struct smb_filename *smb_fname,
int flags, struct timespec times[3])
{
+ struct smb_filename *smb_fname_onefs = NULL;
int ret;
- bool is_stream;
- char *base;
- char *stream;
int dirfd;
int saved_errno;
+ NTSTATUS status;
START_PROFILE(syscall_ntimes);
- ret = onefs_is_stream(fname, &base, &stream, &is_stream);
- if (ret)
- return ret;
-
- if (!is_stream) {
- ret = vtimes(fname, times, flags);
+ if (!is_ntfs_stream_smb_fname(smb_fname)) {
+ ret = vtimes(smb_fname->base_name, times, flags);
return ret;
}
- dirfd = get_stream_dir_fd(handle->conn, base, NULL);
- if (dirfd < -1) {
+ status = onefs_stream_prep_smb_fname(talloc_tos(), smb_fname,
+ &smb_fname_onefs);
+ if (!NT_STATUS_IS_OK(status)) {
+ errno = map_errno_from_nt_status(status);
return -1;
}
- ret = enc_vtimesat(dirfd, stream, ENC_DEFAULT, times, flags);
+ /* Default stream (the ::$DATA was just stripped off). */
+ if (!is_ntfs_stream_smb_fname(smb_fname_onefs)) {
+ ret = vtimes(smb_fname_onefs->base_name, times, flags);
+ goto out;
+ }
- END_PROFILE(syscall_ntimes);
+ dirfd = get_stream_dir_fd(handle->conn, smb_fname->base_name, NULL);
+ if (dirfd < -1) {
+ ret = -1;
+ goto out;
+ }
+
+ ret = enc_vtimesat(dirfd, smb_fname_onefs->stream_name, ENC_DEFAULT,
+ times, flags);
saved_errno = errno;
close(dirfd);
errno = saved_errno;
- return ret;
-}
-
-int onefs_chflags(vfs_handle_struct *handle, const char *path,
- unsigned int flags)
-{
- char *base = NULL;
- char *stream = NULL;
- if (!NT_STATUS_IS_OK(onefs_split_ntfs_stream_name(talloc_tos(), path,
- &base, &stream))) {
- DEBUG(10, ("onefs_split_ntfs_stream_name failed\n"));
- errno = ENOMEM;
- return -1;
- }
-
- /*
- * Only set the attributes on the base file. ifs_createfile handles
- * file creation attribute semantics.
- */
- return SMB_VFS_NEXT_CHFLAGS(handle, base, flags);
+ out:
+ END_PROFILE(syscall_ntimes);
+ TALLOC_FREE(smb_fname_onefs);
+ return ret;
}
/*
static bool add_one_stream(TALLOC_CTX *mem_ctx, unsigned int *num_streams,
struct stream_struct **streams,
- const char *name, SMB_OFF_T size,
- SMB_OFF_T alloc_size)
+ const char *name, off_t size,
+ off_t alloc_size)
{
struct stream_struct *tmp;
- tmp = TALLOC_REALLOC_ARRAY(mem_ctx, *streams, struct stream_struct,
+ tmp = talloc_realloc(mem_ctx, *streams, struct stream_struct,
(*num_streams)+1);
if (tmp == NULL) {
return false;
int dir_fd = -1;
int stream_fd = -1;
int ret;
- SMB_STRUCT_DIR *dirp = NULL;
- SMB_STRUCT_DIRENT *dp = NULL;
+ DIR *dirp = NULL;
+ struct dirent *dp = NULL;
files_struct fake_fs;
struct fd_handle fake_fh;
SMB_STRUCT_STAT stream_sbuf;
fake_fs.conn = conn;
fake_fs.fh = &fake_fh;
- fake_fs.fsp_name = SMB_STRDUP(fname);
+ status = create_synthetic_smb_fname(talloc_tos(), fname, NULL, NULL,
+ &fake_fs.fsp_name);
+ if (!NT_STATUS_IS_OK(status)) {
+ goto out;
+ }
/* Iterate over the streams in the ADS directory. */
while ((dp = SMB_VFS_READDIR(conn, dirp, NULL)) != NULL) {
close(base_fd);
}
- SAFE_FREE(fake_fs.fsp_name);
+ TALLOC_FREE(fake_fs.fsp_name);
return status;
}
/* Get a valid stat. */
if ((fsp != NULL) && (fsp->fh->fd != -1)) {
- if (is_ntfs_stream_name(fsp->fsp_name)) {
- return NT_STATUS_INVALID_PARAMETER;
- }
ret = SMB_VFS_FSTAT(fsp, &sbuf);
} else {
- if (is_ntfs_stream_name(fname)) {
- return NT_STATUS_INVALID_PARAMETER;
+ struct smb_filename *smb_fname = NULL;
+
+ status = create_synthetic_smb_fname(talloc_tos(), fname, NULL,
+ NULL, &smb_fname);
+ if (!NT_STATUS_IS_OK(status)) {
+ return status;
}
- ret = SMB_VFS_STAT(handle->conn, fname, &sbuf);
+ ret = SMB_VFS_STAT(handle->conn, smb_fname);
+
+ sbuf = smb_fname->st;
+
+ TALLOC_FREE(smb_fname);
}
if (ret == -1) {
return map_nt_error_from_unix(errno);
}
- state.streams = NULL;
- state.num_streams = 0;
+ state.streams = *pstreams;
+ state.num_streams = *pnum_streams;
if (lp_parm_bool(SNUM(handle->conn), PARM_ONEFS_TYPE,
PARM_IGNORE_STREAMS, PARM_IGNORE_STREAMS_DEFAULT)) {
goto out;
}
- /* Add the default stream. */
- if (S_ISREG(sbuf.st_ex_mode)) {
- if (!add_one_stream(mem_ctx,
- &state.num_streams, &state.streams,
- "", sbuf.st_ex_size,
- SMB_VFS_GET_ALLOC_SIZE(handle->conn, fsp,
- &sbuf))) {
- return NT_STATUS_NO_MEMORY;
- }
- }
-
state.mem_ctx = mem_ctx;
state.handle = handle;
state.status = NT_STATUS_OK;
out:
*num_streams = state.num_streams;
*streams = state.streams;
- return NT_STATUS_OK;
+ return SMB_VFS_NEXT_STREAMINFO(handle, fsp, fname, mem_ctx, pnum_streams, pstreams);
}
git.samba.org / samba.git / blobdiff