#include "includes.h"
#include "smbd/smbd.h"
#include "system/filesys.h"
-#include "../lib/crypto/md5.h"
+#include "lib/util/tevent_unix.h"
+#include "librpc/gen_ndr/ioctl.h"
+#include "hash_inode.h"
#undef DBGC_CLASS
#define DBGC_CLASS DBGC_VFS
vfs_handle_struct *handle;
};
-static SMB_INO_T stream_inode(const SMB_STRUCT_STAT *sbuf, const char *sname)
-{
- MD5_CTX ctx;
- unsigned char hash[16];
- SMB_INO_T result;
- char *upper_sname;
-
- DEBUG(10, ("stream_inode called for %lu/%lu [%s]\n",
- (unsigned long)sbuf->st_ex_dev,
- (unsigned long)sbuf->st_ex_ino, sname));
-
- upper_sname = talloc_strdup_upper(talloc_tos(), sname);
- SMB_ASSERT(upper_sname != NULL);
-
- MD5Init(&ctx);
- MD5Update(&ctx, (const unsigned char *)&(sbuf->st_ex_dev),
- sizeof(sbuf->st_ex_dev));
- MD5Update(&ctx, (const unsigned char *)&(sbuf->st_ex_ino),
- sizeof(sbuf->st_ex_ino));
- MD5Update(&ctx, (unsigned char *)upper_sname,
- talloc_get_size(upper_sname)-1);
- MD5Final(hash, &ctx);
-
- TALLOC_FREE(upper_sname);
-
- /* Hopefully all the variation is in the lower 4 (or 8) bytes! */
- memcpy(&result, hash, sizeof(result));
-
- DEBUG(10, ("stream_inode returns %lu\n", (unsigned long)result));
-
- return result;
-}
-
static ssize_t get_xattr_size(connection_struct *conn,
- files_struct *fsp,
- const char *fname,
+ const struct smb_filename *smb_fname,
const char *xattr_name)
{
NTSTATUS status;
struct ea_struct ea;
ssize_t result;
- status = get_ea_value(talloc_tos(), conn, fsp, fname,
+ status = get_ea_value(talloc_tos(), conn, NULL, smb_fname,
xattr_name, &ea);
if (!NT_STATUS_IS_OK(status)) {
TALLOC_FREE(sio->base);
sio->xattr_name = talloc_strdup(VFS_MEMCTX_FSP_EXTENSION(sio->handle, sio->fsp),
xattr_name);
- sio->base = talloc_strdup(VFS_MEMCTX_FSP_EXTENSION(sio->handle, sio->fsp),
- sio->fsp->fsp_name->base_name);
- sio->fsp_name_ptr = sio->fsp->fsp_name;
-
+ if (sio->xattr_name == NULL) {
+ DBG_DEBUG("sio->xattr_name==NULL\n");
+ return false;
+ }
TALLOC_FREE(xattr_name);
- if ((sio->xattr_name == NULL) || (sio->base == NULL)) {
+ sio->base = talloc_strdup(VFS_MEMCTX_FSP_EXTENSION(sio->handle, sio->fsp),
+ sio->fsp->fsp_name->base_name);
+ if (sio->base == NULL) {
+ DBG_DEBUG("sio->base==NULL\n");
return false;
}
+ sio->fsp_name_ptr = sio->fsp->fsp_name;
+
return true;
}
struct stream_io *io = (struct stream_io *)
VFS_FETCH_FSP_EXTENSION(handle, fsp);
- DEBUG(10, ("streams_xattr_fstat called for %d\n", fsp->fh->fd));
-
if (io == NULL || fsp->base_fsp == NULL) {
return SMB_VFS_NEXT_FSTAT(handle, fsp, sbuf);
}
+ DBG_DEBUG("streams_xattr_fstat called for %s\n", fsp_str_dbg(io->fsp));
+
if (!streams_xattr_recheck(io)) {
return -1;
}
io->base,
NULL,
NULL,
+ fsp->fsp_name->twrp,
fsp->fsp_name->flags);
if (smb_fname_base == NULL) {
errno = ENOMEM;
ret = SMB_VFS_STAT(handle->conn, smb_fname_base);
}
*sbuf = smb_fname_base->st;
- TALLOC_FREE(smb_fname_base);
if (ret == -1) {
+ TALLOC_FREE(smb_fname_base);
return -1;
}
- sbuf->st_ex_size = get_xattr_size(handle->conn, fsp->base_fsp,
- io->base, io->xattr_name);
+ sbuf->st_ex_size = get_xattr_size(handle->conn,
+ smb_fname_base, io->xattr_name);
if (sbuf->st_ex_size == -1) {
+ TALLOC_FREE(smb_fname_base);
+ SET_STAT_INVALID(*sbuf);
return -1;
}
DEBUG(10, ("sbuf->st_ex_size = %d\n", (int)sbuf->st_ex_size));
- sbuf->st_ex_ino = stream_inode(sbuf, io->xattr_name);
+ sbuf->st_ex_ino = hash_inode(sbuf, io->xattr_name);
sbuf->st_ex_mode &= ~S_IFMT;
+ sbuf->st_ex_mode &= ~S_IFDIR;
sbuf->st_ex_mode |= S_IFREG;
sbuf->st_ex_blocks = sbuf->st_ex_size / STAT_ST_BLOCKSIZE + 1;
+ TALLOC_FREE(smb_fname_base);
return 0;
}
int result = -1;
char *xattr_name = NULL;
- if (!is_ntfs_stream_smb_fname(smb_fname)) {
+ if (!is_named_stream(smb_fname)) {
return SMB_VFS_NEXT_STAT(handle, smb_fname);
}
/* Note if lp_posix_paths() is true, we can never
- * get here as is_ntfs_stream_smb_fname() is
+ * get here as is_named_stream() is
* always false. So we never need worry about
* not following links here. */
- /* If the default stream is requested, just stat the base file. */
- if (is_ntfs_default_stream_smb_fname(smb_fname)) {
- return streams_xattr_stat_base(handle, smb_fname, true);
- }
-
/* Populate the stat struct with info from the base file. */
if (streams_xattr_stat_base(handle, smb_fname, true) == -1) {
return -1;
}
/* Augment the base file's stat information before returning. */
- smb_fname->st.st_ex_size = get_xattr_size(handle->conn, NULL,
- smb_fname->base_name,
+ smb_fname->st.st_ex_size = get_xattr_size(handle->conn,
+ smb_fname,
xattr_name);
if (smb_fname->st.st_ex_size == -1) {
+ SET_STAT_INVALID(smb_fname->st);
errno = ENOENT;
result = -1;
goto fail;
}
- smb_fname->st.st_ex_ino = stream_inode(&smb_fname->st, xattr_name);
+ smb_fname->st.st_ex_ino = hash_inode(&smb_fname->st, xattr_name);
smb_fname->st.st_ex_mode &= ~S_IFMT;
+ smb_fname->st.st_ex_mode &= ~S_IFDIR;
smb_fname->st.st_ex_mode |= S_IFREG;
smb_fname->st.st_ex_blocks =
smb_fname->st.st_ex_size / STAT_ST_BLOCKSIZE + 1;
int result = -1;
char *xattr_name = NULL;
- if (!is_ntfs_stream_smb_fname(smb_fname)) {
+ if (!is_named_stream(smb_fname)) {
return SMB_VFS_NEXT_LSTAT(handle, smb_fname);
}
- /* If the default stream is requested, just stat the base file. */
- if (is_ntfs_default_stream_smb_fname(smb_fname)) {
- return streams_xattr_stat_base(handle, smb_fname, false);
- }
-
/* Populate the stat struct with info from the base file. */
if (streams_xattr_stat_base(handle, smb_fname, false) == -1) {
return -1;
}
/* Augment the base file's stat information before returning. */
- smb_fname->st.st_ex_size = get_xattr_size(handle->conn, NULL,
- smb_fname->base_name,
+ smb_fname->st.st_ex_size = get_xattr_size(handle->conn,
+ smb_fname,
xattr_name);
if (smb_fname->st.st_ex_size == -1) {
+ SET_STAT_INVALID(smb_fname->st);
errno = ENOENT;
result = -1;
goto fail;
}
- smb_fname->st.st_ex_ino = stream_inode(&smb_fname->st, xattr_name);
+ smb_fname->st.st_ex_ino = hash_inode(&smb_fname->st, xattr_name);
smb_fname->st.st_ex_mode &= ~S_IFMT;
smb_fname->st.st_ex_mode |= S_IFREG;
smb_fname->st.st_ex_blocks =
return result;
}
-static int streams_xattr_open(vfs_handle_struct *handle,
- struct smb_filename *smb_fname,
- files_struct *fsp, int flags, mode_t mode)
+static int streams_xattr_openat(struct vfs_handle_struct *handle,
+ const struct files_struct *dirfsp,
+ const struct smb_filename *smb_fname,
+ files_struct *fsp,
+ int flags,
+ mode_t mode)
{
NTSTATUS status;
- struct smb_filename *smb_fname_base = NULL;
- struct stream_io *sio;
+ struct streams_xattr_config *config = NULL;
+ struct stream_io *sio = NULL;
struct ea_struct ea;
char *xattr_name = NULL;
- int baseflags;
- int hostfd = -1;
-
- DEBUG(10, ("streams_xattr_open called for %s with flags 0x%x\n",
- smb_fname_str_dbg(smb_fname), flags));
-
- if (!is_ntfs_stream_smb_fname(smb_fname)) {
- return SMB_VFS_NEXT_OPEN(handle, smb_fname, fsp, flags, mode);
- }
-
- /* If the default stream is requested, just open the base file. */
- if (is_ntfs_default_stream_smb_fname(smb_fname)) {
- char *tmp_stream_name;
- int ret;
+ int pipe_fds[2];
+ int fakefd = -1;
+ bool set_empty_xattr = false;
+ int ret;
- tmp_stream_name = smb_fname->stream_name;
- smb_fname->stream_name = NULL;
+ /*
+ * For now assert this, so the below SMB_VFS_SETXATTR() works.
+ */
+ SMB_ASSERT(dirfsp->fh->fd == AT_FDCWD);
- ret = SMB_VFS_NEXT_OPEN(handle, smb_fname, fsp, flags, mode);
+ SMB_VFS_HANDLE_GET_DATA(handle, config, struct streams_xattr_config,
+ return -1);
- smb_fname->stream_name = tmp_stream_name;
+ DEBUG(10, ("streams_xattr_open called for %s with flags 0x%x\n",
+ smb_fname_str_dbg(smb_fname), flags));
- return ret;
+ if (!is_named_stream(smb_fname)) {
+ return SMB_VFS_NEXT_OPENAT(handle,
+ dirfsp,
+ smb_fname,
+ fsp,
+ flags,
+ mode);
}
status = streams_xattr_get_name(handle, talloc_tos(),
goto fail;
}
- /* Create an smb_filename with stream_name == NULL. */
- smb_fname_base = synthetic_smb_fname(talloc_tos(),
- smb_fname->base_name,
- NULL,
- NULL,
- smb_fname->flags);
- if (smb_fname_base == NULL) {
- errno = ENOMEM;
- goto fail;
- }
-
- /*
- * We use baseflags to turn off nasty side-effects when opening the
- * underlying file.
- */
- baseflags = flags;
- baseflags &= ~O_TRUNC;
- baseflags &= ~O_EXCL;
- baseflags &= ~O_CREAT;
-
- hostfd = SMB_VFS_OPEN(handle->conn, smb_fname_base, fsp,
- baseflags, mode);
-
- TALLOC_FREE(smb_fname_base);
+ status = get_ea_value(talloc_tos(), handle->conn, NULL,
+ smb_fname, xattr_name, &ea);
- /* It is legit to open a stream on a directory, but the base
- * fd has to be read-only.
- */
- if ((hostfd == -1) && (errno == EISDIR)) {
- baseflags &= ~O_ACCMODE;
- baseflags |= O_RDONLY;
- hostfd = SMB_VFS_OPEN(handle->conn, smb_fname, fsp, baseflags,
- mode);
- }
+ DEBUG(10, ("get_ea_value returned %s\n", nt_errstr(status)));
- if (hostfd == -1) {
- goto fail;
- }
+ if (!NT_STATUS_IS_OK(status)) {
+ if (!NT_STATUS_EQUAL(status, NT_STATUS_NOT_FOUND)) {
+ /*
+ * The base file is not there. This is an error even if
+ * we got O_CREAT, the higher levels should have created
+ * the base file for us.
+ */
+ DBG_DEBUG("streams_xattr_open: base file %s not around, "
+ "returning ENOENT\n", smb_fname->base_name);
+ errno = ENOENT;
+ goto fail;
+ }
- status = get_ea_value(talloc_tos(), handle->conn, NULL,
- smb_fname->base_name, xattr_name, &ea);
+ if (!(flags & O_CREAT)) {
+ errno = ENOATTR;
+ goto fail;
+ }
- DEBUG(10, ("get_ea_value returned %s\n", nt_errstr(status)));
+ set_empty_xattr = true;
+ }
- if (!NT_STATUS_IS_OK(status)
- && !NT_STATUS_EQUAL(status, NT_STATUS_NOT_FOUND)) {
- /*
- * The base file is not there. This is an error even if we got
- * O_CREAT, the higher levels should have created the base
- * file for us.
- */
- DEBUG(10, ("streams_xattr_open: base file %s not around, "
- "returning ENOENT\n", smb_fname->base_name));
- errno = ENOENT;
- goto fail;
+ if (flags & O_TRUNC) {
+ set_empty_xattr = true;
}
- if ((!NT_STATUS_IS_OK(status) && (flags & O_CREAT)) ||
- (flags & O_TRUNC)) {
+ if (set_empty_xattr) {
/*
* The attribute does not exist or needs to be truncated
*/
DEBUG(10, ("creating or truncating attribute %s on file %s\n",
xattr_name, smb_fname->base_name));
- if (fsp->base_fsp->fh->fd != -1) {
- if (SMB_VFS_FSETXATTR(
- fsp->base_fsp, xattr_name,
- &null, sizeof(null),
- flags & O_EXCL ? XATTR_CREATE : 0) == -1) {
- goto fail;
- }
- } else {
- if (SMB_VFS_SETXATTR(
- handle->conn, smb_fname->base_name,
- xattr_name, &null, sizeof(null),
- flags & O_EXCL ? XATTR_CREATE : 0) == -1) {
- goto fail;
- }
+ ret = SMB_VFS_SETXATTR(fsp->conn,
+ smb_fname,
+ xattr_name,
+ &null, sizeof(null),
+ flags & O_EXCL ? XATTR_CREATE : 0);
+ if (ret != 0) {
+ goto fail;
}
}
- sio = (struct stream_io *)VFS_ADD_FSP_EXTENSION(handle, fsp,
- struct stream_io,
- NULL);
+ /*
+ * Return a valid fd, but ensure any attempt to use it returns an error
+ * (EPIPE).
+ */
+ ret = pipe(pipe_fds);
+ if (ret != 0) {
+ goto fail;
+ }
+
+ close(pipe_fds[1]);
+ pipe_fds[1] = -1;
+ fakefd = pipe_fds[0];
+
+ sio = VFS_ADD_FSP_EXTENSION(handle, fsp, struct stream_io, NULL);
if (sio == NULL) {
errno = ENOMEM;
goto fail;
sio->xattr_name = talloc_strdup(VFS_MEMCTX_FSP_EXTENSION(handle, fsp),
xattr_name);
- sio->base = talloc_strdup(VFS_MEMCTX_FSP_EXTENSION(handle, fsp),
- smb_fname->base_name);
- sio->fsp_name_ptr = fsp->fsp_name;
- sio->handle = handle;
- sio->fsp = fsp;
+ if (sio->xattr_name == NULL) {
+ errno = ENOMEM;
+ goto fail;
+ }
- if ((sio->xattr_name == NULL) || (sio->base == NULL)) {
+ /*
+ * so->base needs to be a copy of fsp->fsp_name->base_name,
+ * making it identical to streams_xattr_recheck(). If the
+ * open is changing directories, fsp->fsp_name->base_name
+ * will be the full path from the share root, whilst
+ * smb_fname will be relative to the $cwd.
+ */
+ sio->base = talloc_strdup(VFS_MEMCTX_FSP_EXTENSION(handle, fsp),
+ fsp->fsp_name->base_name);
+ if (sio->base == NULL) {
errno = ENOMEM;
goto fail;
}
- return hostfd;
+ sio->fsp_name_ptr = fsp->fsp_name;
+ sio->handle = handle;
+ sio->fsp = fsp;
+
+ return fakefd;
fail:
- if (hostfd >= 0) {
- /*
- * BUGBUGBUG -- we would need to call fd_close_posix here, but
- * we don't have a full fsp yet
- */
- fsp->fh->fd = hostfd;
- SMB_VFS_CLOSE(fsp);
+ if (fakefd >= 0) {
+ close(fakefd);
+ fakefd = -1;
}
return -1;
}
-static int streams_xattr_unlink(vfs_handle_struct *handle,
- const struct smb_filename *smb_fname)
+static int streams_xattr_close(vfs_handle_struct *handle,
+ files_struct *fsp)
{
- NTSTATUS status;
- int ret = -1;
- char *xattr_name = NULL;
+ int ret;
+ int fd;
+
+ fd = fsp->fh->fd;
- if (!is_ntfs_stream_smb_fname(smb_fname)) {
- return SMB_VFS_NEXT_UNLINK(handle, smb_fname);
+ DBG_DEBUG("streams_xattr_close called [%s] fd [%d]\n",
+ smb_fname_str_dbg(fsp->fsp_name), fd);
+
+ if (!is_named_stream(fsp->fsp_name)) {
+ return SMB_VFS_NEXT_CLOSE(handle, fsp);
}
- /* If the default stream is requested, just open the base file. */
- if (is_ntfs_default_stream_smb_fname(smb_fname)) {
- struct smb_filename *smb_fname_base = NULL;
+ ret = close(fd);
+ fsp->fh->fd = -1;
- smb_fname_base = cp_smb_filename(talloc_tos(), smb_fname);
- if (smb_fname_base == NULL) {
- errno = ENOMEM;
- return -1;
- }
+ return ret;
+}
- ret = SMB_VFS_NEXT_UNLINK(handle, smb_fname_base);
+static int streams_xattr_unlink_internal(vfs_handle_struct *handle,
+ struct files_struct *dirfsp,
+ const struct smb_filename *smb_fname,
+ int flags)
+{
+ NTSTATUS status;
+ int ret = -1;
+ char *xattr_name = NULL;
- TALLOC_FREE(smb_fname_base);
- return ret;
+ if (!is_named_stream(smb_fname)) {
+ return SMB_VFS_NEXT_UNLINKAT(handle,
+ dirfsp,
+ smb_fname,
+ flags);
}
status = streams_xattr_get_name(handle, talloc_tos(),
goto fail;
}
- ret = SMB_VFS_REMOVEXATTR(handle->conn, smb_fname->base_name, xattr_name);
+ ret = SMB_VFS_REMOVEXATTR(handle->conn, smb_fname, xattr_name);
if ((ret == -1) && (errno == ENOATTR)) {
errno = ENOENT;
return ret;
}
-static int streams_xattr_rename(vfs_handle_struct *handle,
+static int streams_xattr_unlinkat(vfs_handle_struct *handle,
+ struct files_struct *dirfsp,
+ const struct smb_filename *smb_fname,
+ int flags)
+{
+ int ret;
+ if (flags & AT_REMOVEDIR) {
+ ret = SMB_VFS_NEXT_UNLINKAT(handle,
+ dirfsp,
+ smb_fname,
+ flags);
+ } else {
+ ret = streams_xattr_unlink_internal(handle,
+ dirfsp,
+ smb_fname,
+ flags);
+ }
+ return ret;
+}
+
+static int streams_xattr_renameat(vfs_handle_struct *handle,
+ files_struct *srcfsp,
const struct smb_filename *smb_fname_src,
+ files_struct *dstfsp,
const struct smb_filename *smb_fname_dst)
{
NTSTATUS status;
dst_is_stream = is_ntfs_stream_smb_fname(smb_fname_dst);
if (!src_is_stream && !dst_is_stream) {
- return SMB_VFS_NEXT_RENAME(handle, smb_fname_src,
- smb_fname_dst);
+ return SMB_VFS_NEXT_RENAMEAT(handle,
+ srcfsp,
+ smb_fname_src,
+ dstfsp,
+ smb_fname_dst);
}
/* For now don't allow renames from or to the default stream. */
/* read the old stream */
status = get_ea_value(talloc_tos(), handle->conn, NULL,
- smb_fname_src->base_name, src_xattr_name, &ea);
+ smb_fname_src, src_xattr_name, &ea);
if (!NT_STATUS_IS_OK(status)) {
errno = ENOENT;
goto fail;
}
/* (over)write the new stream */
- nret = SMB_VFS_SETXATTR(handle->conn, smb_fname_src->base_name,
+ nret = SMB_VFS_SETXATTR(handle->conn, smb_fname_src,
dst_xattr_name, ea.value.data, ea.value.length,
0);
if (nret < 0) {
}
/* remove the old stream */
- oret = SMB_VFS_REMOVEXATTR(handle->conn, smb_fname_src->base_name,
+ oret = SMB_VFS_REMOVEXATTR(handle->conn, smb_fname_src,
src_xattr_name);
if (oret < 0) {
if (errno == ENOATTR) {
status = get_ea_value(names,
handle->conn,
- fsp,
- smb_fname->base_name,
+ NULL,
+ smb_fname,
names[i],
&ea);
if (!NT_STATUS_IS_OK(status)) {
NTSTATUS status;
struct streaminfo_state state;
- if ((fsp != NULL) && (fsp->fh->fd != -1)) {
- ret = SMB_VFS_FSTAT(fsp, &sbuf);
- } else {
- ret = vfs_stat_smb_basename(handle->conn,
- smb_fname,
- &sbuf);
- }
-
+ ret = vfs_stat_smb_basename(handle->conn, smb_fname, &sbuf);
if (ret == -1) {
return map_nt_error_from_unix(errno);
}
(struct stream_io *)VFS_FETCH_FSP_EXTENSION(handle, fsp);
struct ea_struct ea;
NTSTATUS status;
+ struct smb_filename *smb_fname_base = NULL;
int ret;
DEBUG(10, ("streams_xattr_pwrite called for %d bytes\n", (int)n));
return -1;
}
- status = get_ea_value(talloc_tos(), handle->conn, fsp->base_fsp,
- sio->base, sio->xattr_name, &ea);
+ /* Create an smb_filename with stream_name == NULL. */
+ smb_fname_base = synthetic_smb_fname(talloc_tos(),
+ sio->base,
+ NULL,
+ NULL,
+ fsp->fsp_name->twrp,
+ fsp->fsp_name->flags);
+ if (smb_fname_base == NULL) {
+ errno = ENOMEM;
+ return -1;
+ }
+
+ status = get_ea_value(talloc_tos(), handle->conn, NULL,
+ smb_fname_base, sio->xattr_name, &ea);
if (!NT_STATUS_IS_OK(status)) {
return -1;
}
memcpy(ea.value.data + offset, data, n);
- if (fsp->base_fsp->fh->fd != -1) {
- ret = SMB_VFS_FSETXATTR(fsp->base_fsp,
- sio->xattr_name,
- ea.value.data, ea.value.length, 0);
- } else {
- ret = SMB_VFS_SETXATTR(fsp->conn,
- fsp->base_fsp->fsp_name->base_name,
- sio->xattr_name,
- ea.value.data, ea.value.length, 0);
- }
+ ret = SMB_VFS_SETXATTR(fsp->conn,
+ fsp->fsp_name,
+ sio->xattr_name,
+ ea.value.data, ea.value.length, 0);
TALLOC_FREE(ea.value.data);
if (ret == -1) {
struct ea_struct ea;
NTSTATUS status;
size_t length, overlap;
+ struct smb_filename *smb_fname_base = NULL;
DEBUG(10, ("streams_xattr_pread: offset=%d, size=%d\n",
(int)offset, (int)n));
return -1;
}
- status = get_ea_value(talloc_tos(), handle->conn, fsp->base_fsp,
- sio->base, sio->xattr_name, &ea);
+ /* Create an smb_filename with stream_name == NULL. */
+ smb_fname_base = synthetic_smb_fname(talloc_tos(),
+ sio->base,
+ NULL,
+ NULL,
+ fsp->fsp_name->twrp,
+ fsp->fsp_name->flags);
+ if (smb_fname_base == NULL) {
+ errno = ENOMEM;
+ return -1;
+ }
+
+ status = get_ea_value(talloc_tos(), handle->conn, NULL,
+ smb_fname_base, sio->xattr_name, &ea);
if (!NT_STATUS_IS_OK(status)) {
return -1;
}
return overlap;
}
+struct streams_xattr_pread_state {
+ ssize_t nread;
+ struct vfs_aio_state vfs_aio_state;
+};
+
+static void streams_xattr_pread_done(struct tevent_req *subreq);
+
+static struct tevent_req *streams_xattr_pread_send(
+ struct vfs_handle_struct *handle,
+ TALLOC_CTX *mem_ctx,
+ struct tevent_context *ev,
+ struct files_struct *fsp,
+ void *data,
+ size_t n, off_t offset)
+{
+ struct tevent_req *req = NULL;
+ struct tevent_req *subreq = NULL;
+ struct streams_xattr_pread_state *state = NULL;
+ struct stream_io *sio =
+ (struct stream_io *)VFS_FETCH_FSP_EXTENSION(handle, fsp);
+
+ req = tevent_req_create(mem_ctx, &state,
+ struct streams_xattr_pread_state);
+ if (req == NULL) {
+ return NULL;
+ }
+
+ if (sio == NULL) {
+ subreq = SMB_VFS_NEXT_PREAD_SEND(state, ev, handle, fsp,
+ data, n, offset);
+ if (tevent_req_nomem(req, subreq)) {
+ return tevent_req_post(req, ev);
+ }
+ tevent_req_set_callback(subreq, streams_xattr_pread_done, req);
+ return req;
+ }
+
+ state->nread = SMB_VFS_PREAD(fsp, data, n, offset);
+ if (state->nread != n) {
+ if (state->nread != -1) {
+ errno = EIO;
+ }
+ tevent_req_error(req, errno);
+ return tevent_req_post(req, ev);
+ }
+
+ tevent_req_done(req);
+ return tevent_req_post(req, ev);
+}
+
+static void streams_xattr_pread_done(struct tevent_req *subreq)
+{
+ struct tevent_req *req = tevent_req_callback_data(
+ subreq, struct tevent_req);
+ struct streams_xattr_pread_state *state = tevent_req_data(
+ req, struct streams_xattr_pread_state);
+
+ state->nread = SMB_VFS_PREAD_RECV(subreq, &state->vfs_aio_state);
+ TALLOC_FREE(subreq);
+
+ if (tevent_req_error(req, state->vfs_aio_state.error)) {
+ return;
+ }
+ tevent_req_done(req);
+}
+
+static ssize_t streams_xattr_pread_recv(struct tevent_req *req,
+ struct vfs_aio_state *vfs_aio_state)
+{
+ struct streams_xattr_pread_state *state = tevent_req_data(
+ req, struct streams_xattr_pread_state);
+
+ if (tevent_req_is_unix_error(req, &vfs_aio_state->error)) {
+ return -1;
+ }
+
+ *vfs_aio_state = state->vfs_aio_state;
+ return state->nread;
+}
+
+struct streams_xattr_pwrite_state {
+ ssize_t nwritten;
+ struct vfs_aio_state vfs_aio_state;
+};
+
+static void streams_xattr_pwrite_done(struct tevent_req *subreq);
+
+static struct tevent_req *streams_xattr_pwrite_send(
+ struct vfs_handle_struct *handle,
+ TALLOC_CTX *mem_ctx,
+ struct tevent_context *ev,
+ struct files_struct *fsp,
+ const void *data,
+ size_t n, off_t offset)
+{
+ struct tevent_req *req = NULL;
+ struct tevent_req *subreq = NULL;
+ struct streams_xattr_pwrite_state *state = NULL;
+ struct stream_io *sio =
+ (struct stream_io *)VFS_FETCH_FSP_EXTENSION(handle, fsp);
+
+ req = tevent_req_create(mem_ctx, &state,
+ struct streams_xattr_pwrite_state);
+ if (req == NULL) {
+ return NULL;
+ }
+
+ if (sio == NULL) {
+ subreq = SMB_VFS_NEXT_PWRITE_SEND(state, ev, handle, fsp,
+ data, n, offset);
+ if (tevent_req_nomem(req, subreq)) {
+ return tevent_req_post(req, ev);
+ }
+ tevent_req_set_callback(subreq, streams_xattr_pwrite_done, req);
+ return req;
+ }
+
+ state->nwritten = SMB_VFS_PWRITE(fsp, data, n, offset);
+ if (state->nwritten != n) {
+ if (state->nwritten != -1) {
+ errno = EIO;
+ }
+ tevent_req_error(req, errno);
+ return tevent_req_post(req, ev);
+ }
+
+ tevent_req_done(req);
+ return tevent_req_post(req, ev);
+}
+
+static void streams_xattr_pwrite_done(struct tevent_req *subreq)
+{
+ struct tevent_req *req = tevent_req_callback_data(
+ subreq, struct tevent_req);
+ struct streams_xattr_pwrite_state *state = tevent_req_data(
+ req, struct streams_xattr_pwrite_state);
+
+ state->nwritten = SMB_VFS_PWRITE_RECV(subreq, &state->vfs_aio_state);
+ TALLOC_FREE(subreq);
+
+ if (tevent_req_error(req, state->vfs_aio_state.error)) {
+ return;
+ }
+ tevent_req_done(req);
+}
+
+static ssize_t streams_xattr_pwrite_recv(struct tevent_req *req,
+ struct vfs_aio_state *vfs_aio_state)
+{
+ struct streams_xattr_pwrite_state *state = tevent_req_data(
+ req, struct streams_xattr_pwrite_state);
+
+ if (tevent_req_is_unix_error(req, &vfs_aio_state->error)) {
+ return -1;
+ }
+
+ *vfs_aio_state = state->vfs_aio_state;
+ return state->nwritten;
+}
+
static int streams_xattr_ftruncate(struct vfs_handle_struct *handle,
struct files_struct *fsp,
off_t offset)
NTSTATUS status;
struct stream_io *sio =
(struct stream_io *)VFS_FETCH_FSP_EXTENSION(handle, fsp);
+ struct smb_filename *smb_fname_base = NULL;
DEBUG(10, ("streams_xattr_ftruncate called for file %s offset %.0f\n",
fsp_str_dbg(fsp), (double)offset));
return -1;
}
- status = get_ea_value(talloc_tos(), handle->conn, fsp->base_fsp,
- sio->base, sio->xattr_name, &ea);
+ /* Create an smb_filename with stream_name == NULL. */
+ smb_fname_base = synthetic_smb_fname(talloc_tos(),
+ sio->base,
+ NULL,
+ NULL,
+ fsp->fsp_name->twrp,
+ fsp->fsp_name->flags);
+ if (smb_fname_base == NULL) {
+ errno = ENOMEM;
+ return -1;
+ }
+
+ status = get_ea_value(talloc_tos(), handle->conn, NULL,
+ smb_fname_base, sio->xattr_name, &ea);
if (!NT_STATUS_IS_OK(status)) {
return -1;
}
ea.value.length = offset + 1;
ea.value.data[offset] = 0;
- if (fsp->base_fsp->fh->fd != -1) {
- ret = SMB_VFS_FSETXATTR(fsp->base_fsp,
- sio->xattr_name,
- ea.value.data, ea.value.length, 0);
- } else {
- ret = SMB_VFS_SETXATTR(fsp->conn,
- fsp->base_fsp->fsp_name->base_name,
- sio->xattr_name,
- ea.value.data, ea.value.length, 0);
- }
-
+ ret = SMB_VFS_SETXATTR(fsp->conn,
+ fsp->fsp_name,
+ sio->xattr_name,
+ ea.value.data, ea.value.length, 0);
TALLOC_FREE(ea.value.data);
if (ret == -1) {
return -1;
}
+static int streams_xattr_fchown(vfs_handle_struct *handle, files_struct *fsp,
+ uid_t uid, gid_t gid)
+{
+ struct stream_io *sio =
+ (struct stream_io *)VFS_FETCH_FSP_EXTENSION(handle, fsp);
+
+ if (sio == NULL) {
+ return SMB_VFS_NEXT_FCHOWN(handle, fsp, uid, gid);
+ }
+
+ return 0;
+}
+
+static int streams_xattr_fchmod(vfs_handle_struct *handle,
+ files_struct *fsp,
+ mode_t mode)
+{
+ struct stream_io *sio =
+ (struct stream_io *)VFS_FETCH_FSP_EXTENSION(handle, fsp);
+
+ if (sio == NULL) {
+ return SMB_VFS_NEXT_FCHMOD(handle, fsp, mode);
+ }
+
+ return 0;
+}
+
+static ssize_t streams_xattr_fgetxattr(struct vfs_handle_struct *handle,
+ struct files_struct *fsp,
+ const char *name,
+ void *value,
+ size_t size)
+{
+ struct stream_io *sio =
+ (struct stream_io *)VFS_FETCH_FSP_EXTENSION(handle, fsp);
+
+ if (sio == NULL) {
+ return SMB_VFS_NEXT_FGETXATTR(handle, fsp, name, value, size);
+ }
+
+ errno = ENOTSUP;
+ return -1;
+}
+
+static ssize_t streams_xattr_flistxattr(struct vfs_handle_struct *handle,
+ struct files_struct *fsp,
+ char *list,
+ size_t size)
+{
+ struct stream_io *sio =
+ (struct stream_io *)VFS_FETCH_FSP_EXTENSION(handle, fsp);
+
+ if (sio == NULL) {
+ return SMB_VFS_NEXT_FLISTXATTR(handle, fsp, list, size);
+ }
+
+ errno = ENOTSUP;
+ return -1;
+}
+
+static int streams_xattr_fremovexattr(struct vfs_handle_struct *handle,
+ struct files_struct *fsp,
+ const char *name)
+{
+ struct stream_io *sio =
+ (struct stream_io *)VFS_FETCH_FSP_EXTENSION(handle, fsp);
+
+ if (sio == NULL) {
+ return SMB_VFS_NEXT_FREMOVEXATTR(handle, fsp, name);
+ }
+
+ errno = ENOTSUP;
+ return -1;
+}
+
+static int streams_xattr_fsetxattr(struct vfs_handle_struct *handle,
+ struct files_struct *fsp,
+ const char *name,
+ const void *value,
+ size_t size,
+ int flags)
+{
+ struct stream_io *sio =
+ (struct stream_io *)VFS_FETCH_FSP_EXTENSION(handle, fsp);
+
+ if (sio == NULL) {
+ return SMB_VFS_NEXT_FSETXATTR(handle, fsp, name, value,
+ size, flags);
+ }
+
+ errno = ENOTSUP;
+ return -1;
+}
+
+static SMB_ACL_T streams_xattr_sys_acl_get_fd(vfs_handle_struct *handle,
+ files_struct *fsp,
+ TALLOC_CTX *mem_ctx)
+{
+ struct stream_io *sio =
+ (struct stream_io *)VFS_FETCH_FSP_EXTENSION(handle, fsp);
+
+ if (sio == NULL) {
+ return SMB_VFS_NEXT_SYS_ACL_GET_FD(handle, fsp, mem_ctx);
+ }
+
+ return SMB_VFS_NEXT_SYS_ACL_GET_FILE(
+ handle, fsp->base_fsp->fsp_name,
+ SMB_ACL_TYPE_ACCESS, mem_ctx);
+}
+
+static int streams_xattr_sys_acl_set_fd(vfs_handle_struct *handle,
+ files_struct *fsp,
+ SMB_ACL_T theacl)
+{
+ struct stream_io *sio =
+ (struct stream_io *)VFS_FETCH_FSP_EXTENSION(handle, fsp);
+
+ if (sio == NULL) {
+ return SMB_VFS_NEXT_SYS_ACL_SET_FD(handle, fsp, theacl);
+ }
+
+ return 0;
+}
+
+static int streams_xattr_sys_acl_blob_get_fd(vfs_handle_struct *handle,
+ files_struct *fsp,
+ TALLOC_CTX *mem_ctx,
+ char **blob_description,
+ DATA_BLOB *blob)
+{
+ struct stream_io *sio =
+ (struct stream_io *)VFS_FETCH_FSP_EXTENSION(handle, fsp);
+
+ if (sio == NULL) {
+ return SMB_VFS_NEXT_SYS_ACL_BLOB_GET_FD(handle, fsp, mem_ctx,
+ blob_description, blob);
+ }
+
+ return SMB_VFS_NEXT_SYS_ACL_BLOB_GET_FILE(
+ handle, fsp->base_fsp->fsp_name, mem_ctx,
+ blob_description, blob);
+}
+
+static NTSTATUS streams_xattr_fget_nt_acl(vfs_handle_struct *handle,
+ files_struct *fsp,
+ uint32_t security_info,
+ TALLOC_CTX *mem_ctx,
+ struct security_descriptor **ppdesc)
+{
+ struct stream_io *sio =
+ (struct stream_io *)VFS_FETCH_FSP_EXTENSION(handle, fsp);
+
+ if (sio == NULL) {
+ return SMB_VFS_NEXT_FGET_NT_ACL(handle, fsp, security_info,
+ mem_ctx, ppdesc);
+ }
+
+ return SMB_VFS_NEXT_GET_NT_ACL_AT(handle,
+ handle->conn->cwd_fsp,
+ fsp->base_fsp->fsp_name,
+ security_info,
+ mem_ctx,
+ ppdesc);
+}
+
+static NTSTATUS streams_xattr_fset_nt_acl(vfs_handle_struct *handle,
+ files_struct *fsp,
+ uint32_t security_info_sent,
+ const struct security_descriptor *psd)
+{
+ struct stream_io *sio =
+ (struct stream_io *)VFS_FETCH_FSP_EXTENSION(handle, fsp);
+
+ if (sio == NULL) {
+ return SMB_VFS_NEXT_FSET_NT_ACL(handle, fsp,
+ security_info_sent, psd);
+ }
+
+ return NT_STATUS_OK;
+}
+
+struct streams_xattr_fsync_state {
+ int ret;
+ struct vfs_aio_state vfs_aio_state;
+};
+
+static void streams_xattr_fsync_done(struct tevent_req *subreq);
+
+static struct tevent_req *streams_xattr_fsync_send(
+ struct vfs_handle_struct *handle,
+ TALLOC_CTX *mem_ctx,
+ struct tevent_context *ev,
+ struct files_struct *fsp)
+{
+ struct tevent_req *req = NULL;
+ struct tevent_req *subreq = NULL;
+ struct streams_xattr_fsync_state *state = NULL;
+ struct stream_io *sio =
+ (struct stream_io *)VFS_FETCH_FSP_EXTENSION(handle, fsp);
+
+ req = tevent_req_create(mem_ctx, &state,
+ struct streams_xattr_fsync_state);
+ if (req == NULL) {
+ return NULL;
+ }
+
+ if (sio == NULL) {
+ subreq = SMB_VFS_NEXT_FSYNC_SEND(state, ev, handle, fsp);
+ if (tevent_req_nomem(req, subreq)) {
+ return tevent_req_post(req, ev);
+ }
+ tevent_req_set_callback(subreq, streams_xattr_fsync_done, req);
+ return req;
+ }
+
+ /*
+ * There's no pathname based sync variant and we don't have access to
+ * the basefile handle, so we can't do anything here.
+ */
+
+ tevent_req_done(req);
+ return tevent_req_post(req, ev);
+}
+
+static void streams_xattr_fsync_done(struct tevent_req *subreq)
+{
+ struct tevent_req *req = tevent_req_callback_data(
+ subreq, struct tevent_req);
+ struct streams_xattr_fsync_state *state = tevent_req_data(
+ req, struct streams_xattr_fsync_state);
+
+ state->ret = SMB_VFS_FSYNC_RECV(subreq, &state->vfs_aio_state);
+ TALLOC_FREE(subreq);
+ if (state->ret != 0) {
+ tevent_req_error(req, errno);
+ return;
+ }
+
+ tevent_req_done(req);
+}
+
+static int streams_xattr_fsync_recv(struct tevent_req *req,
+ struct vfs_aio_state *vfs_aio_state)
+{
+ struct streams_xattr_fsync_state *state = tevent_req_data(
+ req, struct streams_xattr_fsync_state);
+
+ if (tevent_req_is_unix_error(req, &vfs_aio_state->error)) {
+ return -1;
+ }
+
+ *vfs_aio_state = state->vfs_aio_state;
+ return state->ret;
+}
+
+static bool streams_xattr_lock(vfs_handle_struct *handle,
+ files_struct *fsp,
+ int op,
+ off_t offset,
+ off_t count,
+ int type)
+{
+ struct stream_io *sio =
+ (struct stream_io *)VFS_FETCH_FSP_EXTENSION(handle, fsp);
+
+ if (sio == NULL) {
+ return SMB_VFS_NEXT_LOCK(handle, fsp, op, offset, count, type);
+ }
+
+ return true;
+}
+
+static bool streams_xattr_getlock(vfs_handle_struct *handle,
+ files_struct *fsp,
+ off_t *poffset,
+ off_t *pcount,
+ int *ptype,
+ pid_t *ppid)
+{
+ struct stream_io *sio =
+ (struct stream_io *)VFS_FETCH_FSP_EXTENSION(handle, fsp);
+
+ if (sio == NULL) {
+ return SMB_VFS_NEXT_GETLOCK(handle, fsp, poffset,
+ pcount, ptype, ppid);
+ }
+
+ errno = ENOTSUP;
+ return false;
+}
+
+static int streams_xattr_kernel_flock(vfs_handle_struct *handle,
+ files_struct *fsp,
+ uint32_t share_access,
+ uint32_t access_mask)
+{
+ struct stream_io *sio =
+ (struct stream_io *)VFS_FETCH_FSP_EXTENSION(handle, fsp);
+
+ if (sio == NULL) {
+ return SMB_VFS_NEXT_KERNEL_FLOCK(handle, fsp,
+ share_access, access_mask);
+ }
+
+ return 0;
+}
+
+static int streams_xattr_linux_setlease(vfs_handle_struct *handle,
+ files_struct *fsp,
+ int leasetype)
+{
+ struct stream_io *sio =
+ (struct stream_io *)VFS_FETCH_FSP_EXTENSION(handle, fsp);
+
+ if (sio == NULL) {
+ return SMB_VFS_NEXT_LINUX_SETLEASE(handle, fsp, leasetype);
+ }
+
+ return 0;
+}
+
+static bool streams_xattr_strict_lock_check(struct vfs_handle_struct *handle,
+ files_struct *fsp,
+ struct lock_struct *plock)
+{
+ struct stream_io *sio =
+ (struct stream_io *)VFS_FETCH_FSP_EXTENSION(handle, fsp);
+
+ if (sio == NULL) {
+ return SMB_VFS_NEXT_STRICT_LOCK_CHECK(handle, fsp, plock);
+ }
+
+ return true;
+}
static struct vfs_fn_pointers vfs_streams_xattr_fns = {
.fs_capabilities_fn = streams_xattr_fs_capabilities,
.connect_fn = streams_xattr_connect,
- .open_fn = streams_xattr_open,
+ .openat_fn = streams_xattr_openat,
+ .close_fn = streams_xattr_close,
.stat_fn = streams_xattr_stat,
.fstat_fn = streams_xattr_fstat,
.lstat_fn = streams_xattr_lstat,
.pread_fn = streams_xattr_pread,
.pwrite_fn = streams_xattr_pwrite,
- .unlink_fn = streams_xattr_unlink,
- .rename_fn = streams_xattr_rename,
+ .pread_send_fn = streams_xattr_pread_send,
+ .pread_recv_fn = streams_xattr_pread_recv,
+ .pwrite_send_fn = streams_xattr_pwrite_send,
+ .pwrite_recv_fn = streams_xattr_pwrite_recv,
+ .unlinkat_fn = streams_xattr_unlinkat,
+ .renameat_fn = streams_xattr_renameat,
.ftruncate_fn = streams_xattr_ftruncate,
.fallocate_fn = streams_xattr_fallocate,
.streaminfo_fn = streams_xattr_streaminfo,
+
+ .fsync_send_fn = streams_xattr_fsync_send,
+ .fsync_recv_fn = streams_xattr_fsync_recv,
+
+ .lock_fn = streams_xattr_lock,
+ .getlock_fn = streams_xattr_getlock,
+ .kernel_flock_fn = streams_xattr_kernel_flock,
+ .linux_setlease_fn = streams_xattr_linux_setlease,
+ .strict_lock_check_fn = streams_xattr_strict_lock_check,
+
+ .fchown_fn = streams_xattr_fchown,
+ .fchmod_fn = streams_xattr_fchmod,
+
+ .fgetxattr_fn = streams_xattr_fgetxattr,
+ .flistxattr_fn = streams_xattr_flistxattr,
+ .fremovexattr_fn = streams_xattr_fremovexattr,
+ .fsetxattr_fn = streams_xattr_fsetxattr,
+
+ .sys_acl_get_fd_fn = streams_xattr_sys_acl_get_fd,
+ .sys_acl_blob_get_fd_fn = streams_xattr_sys_acl_blob_get_fd,
+ .sys_acl_set_fd_fn = streams_xattr_sys_acl_set_fd,
+
+ .fget_nt_acl_fn = streams_xattr_fget_nt_acl,
+ .fset_nt_acl_fn = streams_xattr_fset_nt_acl,
};
-NTSTATUS vfs_streams_xattr_init(void);
-NTSTATUS vfs_streams_xattr_init(void)
+static_decl_vfs;
+NTSTATUS vfs_streams_xattr_init(TALLOC_CTX *ctx)
{
return smb_register_vfs(SMB_VFS_INTERFACE_VERSION, "streams_xattr",
&vfs_streams_xattr_fns);
git.samba.org / amitay / samba.git / blobdiff