return rc;
}
+static int fruit_fake_fd(void)
+{
+ int pipe_fds[2];
+ int fd;
+ int ret;
+
+ /*
+ * Return a valid fd, but ensure any attempt to use it returns
+ * an error (EPIPE). Once we get a write on the handle, we open
+ * the real fd.
+ */
+ ret = pipe(pipe_fds);
+ if (ret != 0) {
+ return -1;
+ }
+ fd = pipe_fds[0];
+ close(pipe_fds[1]);
+
+ return fd;
+}
+
static int fruit_open_meta_stream(vfs_handle_struct *handle,
struct smb_filename *smb_fname,
files_struct *fsp,
int flags,
mode_t mode)
{
- AfpInfo *ai = NULL;
- char afpinfo_buf[AFP_INFO_SIZE];
- ssize_t len, written;
- int hostfd = -1;
- int rc = -1;
+ struct fruit_config_data *config = NULL;
+ struct fio *fio = NULL;
+ int open_flags = flags & ~O_CREAT;
+ int fd;
- hostfd = SMB_VFS_NEXT_OPEN(handle, smb_fname, fsp, flags, mode);
- if (hostfd == -1) {
- return -1;
- }
+ DBG_DEBUG("Path [%s]\n", smb_fname_str_dbg(smb_fname));
- if (!(flags & (O_CREAT | O_TRUNC))) {
- return hostfd;
- }
+ SMB_VFS_HANDLE_GET_DATA(handle, config,
+ struct fruit_config_data, return -1);
- ai = afpinfo_new(talloc_tos());
- if (ai == NULL) {
- rc = -1;
- goto fail;
- }
+ fio = VFS_ADD_FSP_EXTENSION(handle, fsp, struct fio, NULL);
+ fio->type = ADOUBLE_META;
+ fio->config = config;
- len = afpinfo_pack(ai, afpinfo_buf);
- if (len != AFP_INFO_SIZE) {
- rc = -1;
- goto fail;
+ fd = SMB_VFS_NEXT_OPEN(handle, smb_fname, fsp, open_flags, mode);
+ if (fd != -1) {
+ return fd;
}
- /* Set fd, needed in SMB_VFS_NEXT_PWRITE() */
- fsp->fh->fd = hostfd;
-
- written = SMB_VFS_NEXT_PWRITE(handle, fsp, afpinfo_buf,
- AFP_INFO_SIZE, 0);
- fsp->fh->fd = -1;
- if (written != AFP_INFO_SIZE) {
- DBG_ERR("bad write [%zd/%d]\n", written, AFP_INFO_SIZE);
- rc = -1;
- goto fail;
+ if (!(flags & O_CREAT)) {
+ VFS_REMOVE_FSP_EXTENSION(handle, fsp);
+ return -1;
}
- rc = 0;
+ fd = fruit_fake_fd();
+ if (fd == -1) {
+ VFS_REMOVE_FSP_EXTENSION(handle, fsp);
+ return -1;
+ }
-fail:
- DBG_DEBUG("rc=%d, fd=%d\n", rc, hostfd);
+ fio->fake_fd = true;
+ fio->flags = flags;
+ fio->mode = mode;
- if (rc != 0) {
- int saved_errno = errno;
- if (hostfd >= 0) {
- fsp->fh->fd = hostfd;
- SMB_VFS_NEXT_CLOSE(handle, fsp);
- }
- hostfd = -1;
- errno = saved_errno;
- }
- return hostfd;
+ return fd;
}
static int fruit_open_meta_netatalk(vfs_handle_struct *handle,
int flags,
mode_t mode)
{
- int rc;
- int fakefd = -1;
+ struct fruit_config_data *config = NULL;
+ struct fio *fio = NULL;
struct adouble *ad = NULL;
- int fds[2];
+ bool meta_exists = false;
+ int fd;
DBG_DEBUG("Path [%s]\n", smb_fname_str_dbg(smb_fname));
- /*
- * Return a valid fd, but ensure any attempt to use it returns an error
- * (EPIPE). All operations on the smb_fname or the fsp will use path
- * based syscalls.
- */
- rc = pipe(fds);
- if (rc != 0) {
- goto exit;
+ ad = ad_get(talloc_tos(), handle, smb_fname, ADOUBLE_META);
+ if (ad != NULL) {
+ meta_exists = true;
}
- fakefd = fds[0];
- close(fds[1]);
- if (flags & (O_CREAT | O_TRUNC)) {
- /*
- * The attribute does not exist or needs to be truncated,
- * create an AppleDouble EA
- */
- ad = ad_init(fsp, handle, ADOUBLE_META);
- if (ad == NULL) {
- rc = -1;
- goto exit;
- }
-
- rc = ad_set(ad, fsp->fsp_name);
- if (rc != 0) {
- rc = -1;
- goto exit;
- }
+ TALLOC_FREE(ad);
- TALLOC_FREE(ad);
+ if (!meta_exists && !(flags & O_CREAT)) {
+ errno = ENOENT;
+ return -1;
}
-exit:
- DEBUG(10, ("fruit_open meta rc=%d, fd=%d\n", rc, fakefd));
- if (rc != 0) {
- int saved_errno = errno;
- if (fakefd >= 0) {
- close(fakefd);
- }
- fakefd = -1;
- errno = saved_errno;
+ fd = fruit_fake_fd();
+ if (fd == -1) {
+ return -1;
}
- return fakefd;
+
+ SMB_VFS_HANDLE_GET_DATA(handle, config,
+ struct fruit_config_data, return -1);
+
+ fio = VFS_ADD_FSP_EXTENSION(handle, fsp, struct fio, NULL);
+ fio->type = ADOUBLE_META;
+ fio->config = config;
+ fio->fake_fd = true;
+ fio->flags = flags;
+ fio->mode = mode;
+
+ return fd;
}
static int fruit_open_meta(vfs_handle_struct *handle,
{
int fd;
struct fruit_config_data *config = NULL;
- struct fio *fio = NULL;
DBG_DEBUG("path [%s]\n", smb_fname_str_dbg(smb_fname));
DBG_DEBUG("path [%s] fd [%d]\n", smb_fname_str_dbg(smb_fname), fd);
- if (fd == -1) {
- return -1;
- }
-
- fio = VFS_ADD_FSP_EXTENSION(handle, fsp, struct fio, NULL);
- fio->type = ADOUBLE_META;
- fio->config = config;
-
return fd;
}
return -1;
}
- nwritten = SMB_VFS_NEXT_PWRITE(handle, fsp, data, n, offset);
- if (nwritten != n) {
- return -1;
- }
-
- if (!ai_empty_finderinfo(ai)) {
- return n;
- }
+ if (ai_empty_finderinfo(ai)) {
+ /*
+ * Writing an all 0 blob to the metadata stream results in the
+ * stream being removed on a macOS server. This ensures we
+ * behave the same and it verified by the "delete AFP_AfpInfo by
+ * writing all 0" test.
+ */
+ ret = SMB_VFS_NEXT_FTRUNCATE(handle, fsp, 0);
+ if (ret != 0) {
+ DBG_ERR("SMB_VFS_NEXT_FTRUNCATE on [%s] failed\n",
+ fsp_str_dbg(fsp));
+ return -1;
+ }
- ok = set_delete_on_close(
+ ok = set_delete_on_close(
fsp,
true,
handle->conn->session_info->security_token,
handle->conn->session_info->unix_token);
- if (!ok) {
- DBG_ERR("set_delete_on_close on [%s] failed\n",
- fsp_str_dbg(fsp));
+ if (!ok) {
+ DBG_ERR("set_delete_on_close on [%s] failed\n",
+ fsp_str_dbg(fsp));
+ return -1;
+ }
+ return n;
+ }
+
+ nwritten = SMB_VFS_NEXT_PWRITE(handle, fsp, data, n, offset);
+ if (nwritten != n) {
return -1;
}
return n;
}
+ /*
+ * Writing an all 0 blob to the metadata stream results in the stream
+ * being removed on a macOS server. This ensures we behave the same and
+ * it verified by the "delete AFP_AfpInfo by writing all 0" test.
+ */
+
ok = set_delete_on_close(
fsp,
true,
{
struct fio *fio = (struct fio *)VFS_FETCH_FSP_EXTENSION(handle, fsp);
ssize_t nwritten;
+ uint8_t buf[AFP_INFO_SIZE];
+ size_t to_write;
+ size_t to_copy;
+ int cmp;
- /*
- * Writing an all 0 blob to the metadata stream
- * results in the stream being removed on a macOS
- * server. This ensures we behave the same and it
- * verified by the "delete AFP_AfpInfo by writing all
- * 0" test.
- */
- if (n != AFP_INFO_SIZE || offset != 0) {
- DBG_ERR("unexpected offset=%jd or size=%jd\n",
- (intmax_t)offset, (intmax_t)n);
+ if (fio == NULL) {
+ DBG_ERR("Failed to fetch fsp extension");
return -1;
}
- if (fio == NULL) {
- DBG_ERR("Failed to fetch fsp extension");
+ if (n < 3) {
+ errno = EINVAL;
+ return -1;
+ }
+
+ if (offset != 0 && n < 60) {
+ errno = EINVAL;
+ return -1;
+ }
+
+ cmp = memcmp(data, "AFP", 3);
+ if (cmp != 0) {
+ errno = EINVAL;
return -1;
}
+ if (n <= AFP_OFF_FinderInfo) {
+ /*
+ * Nothing to do here really, just return
+ */
+ return n;
+ }
+
+ offset = 0;
+
+ to_copy = n;
+ if (to_copy > AFP_INFO_SIZE) {
+ to_copy = AFP_INFO_SIZE;
+ }
+ memcpy(buf, data, to_copy);
+
+ to_write = n;
+ if (to_write != AFP_INFO_SIZE) {
+ to_write = AFP_INFO_SIZE;
+ }
+
switch (fio->config->meta) {
case FRUIT_META_STREAM:
- nwritten = fruit_pwrite_meta_stream(handle, fsp, data,
- n, offset);
+ nwritten = fruit_pwrite_meta_stream(handle,
+ fsp,
+ buf,
+ to_write,
+ offset);
break;
case FRUIT_META_NETATALK:
- nwritten = fruit_pwrite_meta_netatalk(handle, fsp, data,
- n, offset);
+ nwritten = fruit_pwrite_meta_netatalk(handle,
+ fsp,
+ buf,
+ to_write,
+ offset);
break;
default:
return -1;
}
- return nwritten;
+ if (nwritten != to_write) {
+ return -1;
+ }
+
+ /*
+ * Return the requested amount, verified against macOS SMB server
+ */
+ return n;
}
static ssize_t fruit_pwrite_rsrc_stream(vfs_handle_struct *handle,
SMB_STRUCT_STAT *sbuf)
{
struct fio *fio = (struct fio *)VFS_FETCH_FSP_EXTENSION(handle, fsp);
+ struct smb_filename smb_fname;
ino_t ino;
int ret;
return 0;
}
- ret = fruit_stat_base(handle, fsp->base_fsp->fsp_name, false);
+ smb_fname = (struct smb_filename) {
+ .base_name = fsp->fsp_name->base_name,
+ };
+
+ ret = fruit_stat_base(handle, &smb_fname, false);
if (ret != 0) {
return -1;
}
- *sbuf = fsp->base_fsp->fsp_name->st;
+ *sbuf = smb_fname.st;
ino = fruit_inode(sbuf, fsp->fsp_name->stream_name);
const struct smb_filename *smb_fname,
TALLOC_CTX *mem_ctx,
unsigned int *pnum_streams,
- struct stream_struct **pstreams)
+ struct stream_struct **pstreams,
+ off_t size)
{
struct smb_filename *sname = NULL;
int ret;
return NT_STATUS_INTERNAL_ERROR;
}
+ if (size == 0) {
+ return NT_STATUS_OK;
+ }
+
sname = synthetic_smb_fname(talloc_tos(),
smb_fname->base_name,
AFPINFO_STREAM_NAME,
{
struct stream_struct *stream = *pstreams;
unsigned int num_streams = *pnum_streams;
- struct smb_filename *sname = NULL;
- char *full_name = NULL;
- uint32_t name_hash;
- struct share_mode_lock *lck = NULL;
- struct file_id id = {0};
- bool delete_on_close_set;
int i;
- int ret;
- NTSTATUS status;
- bool ok;
for (i = 0; i < num_streams; i++) {
if (strequal_m(stream[i].name, AFPINFO_STREAM)) {
DBG_ERR("Removing invalid AFPINFO_STREAM size [%jd] from [%s]\n",
(intmax_t)stream[i].size, smb_fname_str_dbg(smb_fname));
- return delete_invalid_meta_stream(handle, smb_fname, mem_ctx,
- pnum_streams, pstreams);
- }
-
- /*
- * Now check if there's a delete-on-close pending on the stream. If so,
- * hide the stream. This behaviour was verified against a macOS 10.12
- * SMB server.
- */
-
- sname = synthetic_smb_fname(talloc_tos(),
- smb_fname->base_name,
- AFPINFO_STREAM_NAME,
- NULL, 0);
- if (sname == NULL) {
- status = NT_STATUS_NO_MEMORY;
- goto out;
- }
-
- ret = fruit_stat_base(handle, sname, false);
- if (ret != 0) {
- status = map_nt_error_from_unix(errno);
- goto out;
- }
-
- sname->st.st_ex_ino = fruit_inode(&sname->st, AFPINFO_STREAM);
-
- id = SMB_VFS_NEXT_FILE_ID_CREATE(handle, &sname->st);
-
- lck = get_existing_share_mode_lock(talloc_tos(), id);
- if (lck == NULL) {
- status = NT_STATUS_OK;
- goto out;
+ return delete_invalid_meta_stream(handle,
+ smb_fname,
+ mem_ctx,
+ pnum_streams,
+ pstreams,
+ stream[i].size);
}
- full_name = talloc_asprintf(talloc_tos(),
- "%s%s",
- sname->base_name,
- AFPINFO_STREAM);
- if (full_name == NULL) {
- status = NT_STATUS_NO_MEMORY;
- goto out;
- }
- status = file_name_hash(handle->conn, full_name, &name_hash);
- if (!NT_STATUS_IS_OK(status)) {
- goto out;
- }
-
- delete_on_close_set = is_delete_on_close_set(lck, name_hash);
- if (delete_on_close_set) {
- ok = del_fruit_stream(mem_ctx,
- pnum_streams,
- pstreams,
- AFPINFO_STREAM);
- if (!ok) {
- status = NT_STATUS_INTERNAL_ERROR;
- goto out;
- }
- }
-
- status = NT_STATUS_OK;
-
-out:
- TALLOC_FREE(sname);
- TALLOC_FREE(lck);
- TALLOC_FREE(full_name);
- return status;
+ return NT_STATUS_OK;
}
static NTSTATUS fruit_streaminfo_meta_netatalk(
git.samba.org / amitay / samba.git / blobdiff