vfs_cap: implement SMB_VFS_OPENAT()

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

diff --git a/source3/modules/vfs_cap.c b/source3/modules/vfs_cap.c
index ab84c3143cc57398d093be101088ba12da8b24b1..7bf11a7bb9db9921acdfe1838ececbb7102c8e69 100644 (file)
--- a/source3/modules/vfs_cap.c
+++ b/source3/modules/vfs_cap.c
@@ -173,6 +173,51 @@ static int cap_open(vfs_handle_struct *handle, struct smb_filename *smb_fname,
        return ret;
 }
 
+static int cap_openat(vfs_handle_struct *handle,
+                     const struct files_struct *dirfsp,
+                     const struct smb_filename *smb_fname_in,
+                     files_struct *fsp,
+                     int flags,
+                     mode_t mode)
+{
+       char *cappath = NULL;
+       struct smb_filename *smb_fname = NULL;
+       int ret;
+       int saved_errno = 0;
+
+       cappath = capencode(talloc_tos(), smb_fname->base_name);
+       if (cappath == NULL) {
+               errno = ENOMEM;
+               return -1;
+       }
+
+       smb_fname = cp_smb_filename(talloc_tos(), smb_fname_in);
+       if (smb_fname == NULL) {
+               TALLOC_FREE(cappath);
+               errno = ENOMEM;
+               return -1;
+       }
+       smb_fname->base_name = cappath;
+
+       DBG_DEBUG("cap_open for %s\n", smb_fname_str_dbg(smb_fname));
+       ret = SMB_VFS_NEXT_OPENAT(handle,
+                                 dirfsp,
+                                 smb_fname,
+                                 fsp,
+                                 flags,
+                                 mode);
+
+       if (ret == -1) {
+               saved_errno = errno;
+       }
+       TALLOC_FREE(cappath);
+       TALLOC_FREE(smb_fname);
+       if (saved_errno != 0) {
+               errno = saved_errno;
+       }
+       return ret;
+}
+
 static int cap_renameat(vfs_handle_struct *handle,
                        files_struct *srcfsp,
                        const struct smb_filename *smb_fname_src,
@@ -1062,6 +1107,7 @@ static struct vfs_fn_pointers vfs_cap_fns = {
        .readdir_fn = cap_readdir,
        .mkdirat_fn = cap_mkdirat,
        .open_fn = cap_open,
+       .openat_fn = cap_openat,
        .renameat_fn = cap_renameat,
        .stat_fn = cap_stat,
        .lstat_fn = cap_lstat,