From: Jeremy Allison <jra@samba.org>
Date: Thu, 11 Feb 2021 18:59:18 +0000 (-0800)
Subject: s3: VFS: full_audit: Fix smb_full_audit_readlinkat() to cope with real directory... 
X-Git-Tag: tevent-0.11.0~1759
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b500162b0118b61c1ef702f489dc83f1ce3e2571;p=thirdparty%2Fsamba.git

s3: VFS: full_audit: Fix smb_full_audit_readlinkat() to cope with real directory fsps.

Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Noel Power <noel.power@suse.com>
---

diff --git a/source3/modules/vfs_full_audit.c b/source3/modules/vfs_full_audit.c
index 7d47871680d..cfb9ba4fcef 100644
--- a/source3/modules/vfs_full_audit.c
+++ b/source3/modules/vfs_full_audit.c
@@ -1846,8 +1846,16 @@ static int smb_full_audit_readlinkat(vfs_handle_struct *handle,
 			char *buf,
 			size_t bufsiz)
 {
+	struct smb_filename *full_fname = NULL;
 	int result;
 
+	full_fname = full_path_from_dirfsp_atname(talloc_tos(),
+						dirfsp,
+						smb_fname);
+	if (full_fname == NULL) {
+		return -1;
+	}
+
 	result = SMB_VFS_NEXT_READLINKAT(handle,
 			dirfsp,
 			smb_fname,
@@ -1858,7 +1866,9 @@ static int smb_full_audit_readlinkat(vfs_handle_struct *handle,
 	       (result >= 0),
 	       handle,
 	       "%s",
-	       smb_fname_str_do_log(handle->conn, smb_fname));
+	       smb_fname_str_do_log(handle->conn, full_fname));
+
+	TALLOC_FREE(full_fname);
 
 	return result;
 }