return status;
}
-#if 0
-/*****************************************************************
- Used by other functions to decide if a dfs path is remote,
- and to get the list of referred locations for that remote path.
-
- consumedcntp: how much of the dfs path is being redirected. the client
- should try the remaining path on the redirected server.
-
- If this returns NT_STATUS_PATH_NOT_COVERED the contents of the msdfs
- link redirect are in targetpath.
-*****************************************************************/
-
-static NTSTATUS dfs_path_lookup(TALLOC_CTX *ctx,
- connection_struct *conn,
- const char *dfspath, /* Incoming complete dfs path */
- const char *reqpath, /* Parsed out remaining path. */
- uint32_t ucf_flags,
- NTTIME *_twrp,
- size_t *consumedcntp,
- struct referral **ppreflist,
- size_t *preferral_count)
-{
- char *p = NULL;
- char *q = NULL;
- NTSTATUS status;
- struct smb_filename *smb_fname = NULL;
- struct smb_filename *parent_fname = NULL;
- struct smb_filename *atname = NULL;
- char *canon_dfspath = NULL; /* Canonicalized dfs path. (only '/'
- components). */
-
- DEBUG(10,("dfs_path_lookup: Conn path = %s reqpath = %s\n",
- conn->connectpath, reqpath));
-
- /*
- * Note the unix path conversion here we're doing we
- * throw away. We're looking for a symlink for a dfs
- * resolution, if we don't find it we'll do another
- * unix_convert later in the codepath.
- */
-
- status = unix_convert(ctx, conn, reqpath, 0, &smb_fname,
- ucf_flags);
-
- if (!NT_STATUS_IS_OK(status)) {
- if (!NT_STATUS_EQUAL(status,
- NT_STATUS_OBJECT_PATH_NOT_FOUND)) {
- return status;
- }
- if (smb_fname == NULL || smb_fname->base_name == NULL) {
- return status;
- }
- }
-
- /* Optimization - check if we can redirect the whole path. */
- status = parent_pathref(ctx,
- conn->cwd_fsp,
- smb_fname,
- &parent_fname,
- &atname);
- if (NT_STATUS_IS_OK(status)) {
- /*
- * We must have a parent_fname->fsp before
- * we can call SMB_VFS_READ_DFS_PATHAT().
- */
- status = SMB_VFS_READ_DFS_PATHAT(conn,
- ctx,
- parent_fname->fsp,
- atname,
- ppreflist,
- preferral_count);
- /* We're now done with parent_fname and atname. */
- TALLOC_FREE(parent_fname);
-
- if (NT_STATUS_IS_OK(status)) {
- DBG_INFO("%s resolves to a valid dfs link\n",
- dfspath);
-
- if (consumedcntp) {
- *consumedcntp = strlen(dfspath);
- }
- status = NT_STATUS_PATH_NOT_COVERED;
- goto out;
- }
- }
-
- /* Prepare to test only for '/' components in the given path,
- * so if a Windows path replace all '\\' characters with '/'.
- * For a POSIX DFS path we know all separators are already '/'. */
-
- canon_dfspath = talloc_strdup(ctx, dfspath);
- if (!canon_dfspath) {
- status = NT_STATUS_NO_MEMORY;
- goto out;
- }
- string_replace(canon_dfspath, '\\', '/');
-
- /*
- * localpath comes out of unix_convert, so it has
- * no trailing backslash. Make sure that canon_dfspath hasn't either.
- * Fix for bug #4860 from Jan Martin <Jan.Martin@rwedea.com>.
- */
-
- trim_char(canon_dfspath,0,'/');
-
- /*
- * Redirect if any component in the path is a link.
- * We do this by walking backwards through the
- * local path, chopping off the last component
- * in both the local path and the canonicalized
- * DFS path. If we hit a DFS link then we're done.
- */
-
- p = strrchr_m(smb_fname->base_name, '/');
- if (consumedcntp) {
- q = strrchr_m(canon_dfspath, '/');
- }
-
- while (p) {
- *p = '\0';
- if (q) {
- *q = '\0';
- }
-
- /*
- * Ensure parent_pathref() calls vfs_stat() on
- * the newly truncated path.
- */
- SET_STAT_INVALID(smb_fname->st);
- status = parent_pathref(ctx,
- conn->cwd_fsp,
- smb_fname,
- &parent_fname,
- &atname);
- if (NT_STATUS_IS_OK(status)) {
- /*
- * We must have a parent_fname->fsp before
- * we can call SMB_VFS_READ_DFS_PATHAT().
- */
- status = SMB_VFS_READ_DFS_PATHAT(conn,
- ctx,
- parent_fname->fsp,
- atname,
- ppreflist,
- preferral_count);
-
- /* We're now done with parent_fname and atname. */
- TALLOC_FREE(parent_fname);
-
- if (NT_STATUS_IS_OK(status)) {
- DBG_INFO("Redirecting %s because "
- "parent %s is a dfs link\n",
- dfspath,
- smb_fname_str_dbg(smb_fname));
-
- if (consumedcntp) {
- *consumedcntp = strlen(canon_dfspath);
- DBG_DEBUG("Path consumed: %s "
- "(%zu)\n",
- canon_dfspath,
- *consumedcntp);
- }
-
- status = NT_STATUS_PATH_NOT_COVERED;
- goto out;
- }
- }
-
- /* Step back on the filesystem. */
- p = strrchr_m(smb_fname->base_name, '/');
-
- if (consumedcntp) {
- /* And in the canonicalized dfs path. */
- q = strrchr_m(canon_dfspath, '/');
- }
- }
-
- if ((ucf_flags & UCF_GMT_PATHNAME) && _twrp != NULL) {
- *_twrp = smb_fname->twrp;
- }
-
- status = NT_STATUS_OK;
- out:
-
- /* This should already be free, but make sure. */
- TALLOC_FREE(parent_fname);
- TALLOC_FREE(smb_fname);
- return status;
-}
-#endif
-
/*****************************************************************
Decides if a dfs pathname should be redirected or not.
If not, the pathname is converted to a tcon-relative local unix path
projects / thirdparty / samba.git / commitdiff
