s3: VFS: vfs_cap. Implement mknodat().

Currently identical to mknod().

Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Ralph Böhme <slow@samba.org>

diff --git a/source3/modules/vfs_cap.c b/source3/modules/vfs_cap.c
index 05c5426919cc9affcb967cc4d6492b616d5a79fe..a801da0a2ebf51818977f7a5a1984a626cdda3bc 100644 (file)
--- a/source3/modules/vfs_cap.c
+++ b/source3/modules/vfs_cap.c
@@ -681,6 +681,47 @@ static int cap_mknod(vfs_handle_struct *handle,
        return ret;
 }
 
+static int cap_mknodat(vfs_handle_struct *handle,
+               files_struct *dirfsp,
+               const struct smb_filename *smb_fname,
+               mode_t mode,
+               SMB_DEV_T dev)
+{
+       struct smb_filename *cap_smb_fname = NULL;
+       char *cappath = capencode(talloc_tos(), smb_fname->base_name);
+       int ret;
+       int saved_errno = 0;
+
+       if (!cappath) {
+               errno = ENOMEM;
+               return -1;
+       }
+       cap_smb_fname = synthetic_smb_fname(talloc_tos(),
+                                       cappath,
+                                       NULL,
+                                       NULL,
+                                       smb_fname->flags);
+       if (cap_smb_fname == NULL) {
+               TALLOC_FREE(cappath);
+               errno = ENOMEM;
+               return -1;
+       }
+       ret = SMB_VFS_NEXT_MKNODAT(handle,
+                       dirfsp,
+                       cap_smb_fname,
+                       mode,
+                       dev);
+       if (ret == -1) {
+               saved_errno = errno;
+       }
+       TALLOC_FREE(cappath);
+       TALLOC_FREE(cap_smb_fname);
+       if (saved_errno != 0) {
+               errno = saved_errno;
+       }
+       return ret;
+}
+
 static struct smb_filename *cap_realpath(vfs_handle_struct *handle,
                        TALLOC_CTX *ctx,
                        const struct smb_filename *smb_fname)
@@ -1036,6 +1077,7 @@ static struct vfs_fn_pointers vfs_cap_fns = {
        .readlink_fn = cap_readlink,
        .linkat_fn = cap_linkat,
        .mknod_fn = cap_mknod,
+       .mknodat_fn = cap_mknodat,
        .realpath_fn = cap_realpath,
        .sys_acl_get_file_fn = cap_sys_acl_get_file,
        .sys_acl_set_file_fn = cap_sys_acl_set_file,