From: Jeremy Allison <jra@samba.org>
Date: Mon, 13 Apr 2020 21:05:03 +0000 (-0700)
Subject: s3: VFS: shadow_copy2. Add shadow_copy2_get_nt_acl_at().
X-Git-Tag: ldb-2.2.0~603
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=b8ab671a7ed7d1ef07e57e9fa0b508311209b7c4;p=thirdparty%2Fsamba.git

s3: VFS: shadow_copy2. Add shadow_copy2_get_nt_acl_at().

Not yet used.

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

diff --git a/source3/modules/vfs_shadow_copy2.c b/source3/modules/vfs_shadow_copy2.c
index 5a9074e802b..18eb0704d67 100644
--- a/source3/modules/vfs_shadow_copy2.c
+++ b/source3/modules/vfs_shadow_copy2.c
@@ -2138,6 +2138,60 @@ static NTSTATUS shadow_copy2_get_nt_acl(vfs_handle_struct *handle,
 	return status;
 }
 
+static NTSTATUS shadow_copy2_get_nt_acl_at(vfs_handle_struct *handle,
+					struct files_struct *dirfsp,
+					const struct smb_filename *smb_fname,
+					uint32_t security_info,
+					TALLOC_CTX *mem_ctx,
+					struct security_descriptor **ppdesc)
+{
+	time_t timestamp = 0;
+	char *stripped = NULL;
+	NTSTATUS status;
+	char *conv;
+	struct smb_filename *conv_smb_fname = NULL;
+
+	if (!shadow_copy2_strip_snapshot(talloc_tos(),
+					handle,
+					smb_fname,
+					&timestamp,
+					&stripped)) {
+		return map_nt_error_from_unix(errno);
+	}
+	if (timestamp == 0) {
+		return SMB_VFS_NEXT_GET_NT_ACL_AT(handle,
+					dirfsp,
+					smb_fname,
+					security_info,
+					mem_ctx,
+					ppdesc);
+	}
+	conv = shadow_copy2_convert(talloc_tos(), handle, stripped, timestamp);
+	TALLOC_FREE(stripped);
+	if (conv == NULL) {
+		return map_nt_error_from_unix(errno);
+	}
+	conv_smb_fname = synthetic_smb_fname(talloc_tos(),
+					conv,
+					NULL,
+					NULL,
+					0,
+					smb_fname->flags);
+	if (conv_smb_fname == NULL) {
+		TALLOC_FREE(conv);
+		return NT_STATUS_NO_MEMORY;
+	}
+	status = SMB_VFS_NEXT_GET_NT_ACL_AT(handle,
+					dirfsp,
+					conv_smb_fname,
+					security_info,
+					mem_ctx,
+					ppdesc);
+	TALLOC_FREE(conv);
+	TALLOC_FREE(conv_smb_fname);
+	return status;
+}
+
 static int shadow_copy2_mkdirat(vfs_handle_struct *handle,
 				struct files_struct *dirfsp,
 				const struct smb_filename *smb_fname,
@@ -3160,6 +3214,7 @@ static struct vfs_fn_pointers vfs_shadow_copy2_fns = {
 	.mknodat_fn = shadow_copy2_mknodat,
 	.realpath_fn = shadow_copy2_realpath,
 	.get_nt_acl_fn = shadow_copy2_get_nt_acl,
+	.get_nt_acl_at_fn = shadow_copy2_get_nt_acl_at,
 	.get_shadow_copy_data_fn = shadow_copy2_get_shadow_copy_data,
 	.mkdirat_fn = shadow_copy2_mkdirat,
 	.getxattr_fn = shadow_copy2_getxattr,