From: Ralph Boehme <slow@samba.org>
Date: Tue, 29 Sep 2020 08:56:19 +0000 (+0200)
Subject: vfs_default: support pathref fd's in vfswrap_flistxattr()
X-Git-Tag: samba-4.14.0rc1~396
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=0f353bca64a7e64c951ca2c5ba04bdda4333a0d6;p=thirdparty%2Fsamba.git

vfs_default: support pathref fd's in vfswrap_flistxattr()

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

diff --git a/source3/modules/vfs_default.c b/source3/modules/vfs_default.c
index b0ed0395e5f..1ec6f20fd95 100644
--- a/source3/modules/vfs_default.c
+++ b/source3/modules/vfs_default.c
@@ -3590,7 +3590,28 @@ static ssize_t vfswrap_listxattr(struct vfs_handle_struct *handle,
 
 static ssize_t vfswrap_flistxattr(struct vfs_handle_struct *handle, struct files_struct *fsp, char *list, size_t size)
 {
-	return flistxattr(fsp_get_io_fd(fsp), list, size);
+	int fd = fsp_get_pathref_fd(fsp);
+
+	if (!fsp->fsp_flags.is_pathref) {
+		return flistxattr(fd, list, size);
+	}
+
+	if (fsp->fsp_flags.have_proc_fds) {
+		const char *p = NULL;
+		char buf[PATH_MAX];
+
+		p = sys_proc_fd_path(fd, buf, sizeof(buf));
+		if (p == NULL) {
+			return -1;
+		}
+
+		return listxattr(p, list, size);
+	}
+
+	/*
+	 * This is no longer a handle based call.
+	 */
+	return listxattr(fsp->fsp_name->base_name, list, size);
 }
 
 static int vfswrap_removexattr(struct vfs_handle_struct *handle,