Dmitry V. Levin
b93d52fe3d
strace is now provided under the terms of the GNU Lesser General Public License version 2.1 or later, see COPYING for more details. strace test suite is now provided under the terms of the GNU General Public License version 2 or later, see tests/COPYING for more details.
132 lines
2.5 KiB
C
132 lines
2.5 KiB
C
/*
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* Copyright (c) 2002-2005 Roland McGrath <roland@redhat.com>
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* Copyright (c) 2004 Ulrich Drepper <drepper@redhat.com>
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* Copyright (c) 2005-2016 Dmitry V. Levin <ldv@altlinux.org>
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* All rights reserved.
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*
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* SPDX-License-Identifier: LGPL-2.1-or-later
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*/
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#include "defs.h"
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#ifdef HAVE_SYS_XATTR_H
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# include <sys/xattr.h>
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#endif
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#include "xlat/xattrflags.h"
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#ifndef XATTR_SIZE_MAX
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# define XATTR_SIZE_MAX 65536
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#endif
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static void
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print_xattr_val(struct tcb *const tcp,
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const kernel_ulong_t addr,
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const kernel_ulong_t insize,
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const kernel_ulong_t size)
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{
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tprints(", ");
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if (size > XATTR_SIZE_MAX)
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printaddr(addr);
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else
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printstr_ex(tcp, addr, size, QUOTE_OMIT_TRAILING_0);
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tprintf(", %" PRI_klu, insize);
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}
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SYS_FUNC(setxattr)
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{
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printpath(tcp, tcp->u_arg[0]);
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tprints(", ");
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printstr(tcp, tcp->u_arg[1]);
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print_xattr_val(tcp, tcp->u_arg[2], tcp->u_arg[3], tcp->u_arg[3]);
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tprints(", ");
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printflags(xattrflags, tcp->u_arg[4], "XATTR_???");
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return RVAL_DECODED;
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}
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SYS_FUNC(fsetxattr)
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{
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printfd(tcp, tcp->u_arg[0]);
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tprints(", ");
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printstr(tcp, tcp->u_arg[1]);
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print_xattr_val(tcp, tcp->u_arg[2], tcp->u_arg[3], tcp->u_arg[3]);
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tprints(", ");
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printflags(xattrflags, tcp->u_arg[4], "XATTR_???");
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return RVAL_DECODED;
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}
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SYS_FUNC(getxattr)
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{
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if (entering(tcp)) {
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printpath(tcp, tcp->u_arg[0]);
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tprints(", ");
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printstr(tcp, tcp->u_arg[1]);
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} else {
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print_xattr_val(tcp, tcp->u_arg[2], tcp->u_arg[3], tcp->u_rval);
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}
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return 0;
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}
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SYS_FUNC(fgetxattr)
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{
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if (entering(tcp)) {
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printfd(tcp, tcp->u_arg[0]);
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tprints(", ");
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printstr(tcp, tcp->u_arg[1]);
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} else {
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print_xattr_val(tcp, tcp->u_arg[2], tcp->u_arg[3], tcp->u_rval);
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}
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return 0;
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}
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static void
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print_xattr_list(struct tcb *const tcp, const kernel_ulong_t addr,
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const kernel_ulong_t size)
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{
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if (!size || syserror(tcp)) {
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printaddr(addr);
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} else {
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printstrn(tcp, addr, tcp->u_rval);
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}
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tprintf(", %" PRI_klu, size);
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}
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SYS_FUNC(listxattr)
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{
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if (entering(tcp)) {
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printpath(tcp, tcp->u_arg[0]);
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tprints(", ");
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} else {
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print_xattr_list(tcp, tcp->u_arg[1], tcp->u_arg[2]);
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}
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return 0;
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}
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SYS_FUNC(flistxattr)
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{
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if (entering(tcp)) {
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printfd(tcp, tcp->u_arg[0]);
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tprints(", ");
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} else {
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print_xattr_list(tcp, tcp->u_arg[1], tcp->u_arg[2]);
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}
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return 0;
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}
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SYS_FUNC(removexattr)
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{
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printpath(tcp, tcp->u_arg[0]);
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tprints(", ");
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printstr(tcp, tcp->u_arg[1]);
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return RVAL_DECODED;
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}
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SYS_FUNC(fremovexattr)
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{
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printfd(tcp, tcp->u_arg[0]);
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tprints(", ");
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printstr(tcp, tcp->u_arg[1]);
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return RVAL_DECODED;
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}
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