blob: 30a8467ca390f21d130030de909e1c2b349fd9c0 [file] [log] [blame]
/*
* Copyright (c) 2002-2005 Roland McGrath <roland@redhat.com>
* Copyright (c) 2004 Ulrich Drepper <drepper@redhat.com>
* Copyright (c) 2005-2016 Dmitry V. Levin <ldv@altlinux.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "defs.h"
#ifdef HAVE_SYS_XATTR_H
# include <sys/xattr.h>
#endif
#include "xlat/xattrflags.h"
#ifndef XATTR_SIZE_MAX
# define XATTR_SIZE_MAX 65536
#endif
static void
print_xattr_val(struct tcb *tcp,
unsigned long addr,
unsigned long insize,
unsigned long size)
{
static char buf[XATTR_SIZE_MAX];
tprints(", ");
if (!addr || size > sizeof(buf))
printaddr(addr);
else if (!size || !umoven_or_printaddr(tcp, addr, size, buf)) {
/* Don't print terminating NUL if there is one. */
if (size && buf[size - 1] == '\0')
--size;
print_quoted_string(buf, size, 0);
}
tprintf(", %lu", insize);
}
SYS_FUNC(setxattr)
{
printpath(tcp, tcp->u_arg[0]);
tprints(", ");
printstr(tcp, tcp->u_arg[1], -1);
print_xattr_val(tcp, tcp->u_arg[2], tcp->u_arg[3], tcp->u_arg[3]);
tprints(", ");
printflags(xattrflags, tcp->u_arg[4], "XATTR_???");
return RVAL_DECODED;
}
SYS_FUNC(fsetxattr)
{
printfd(tcp, tcp->u_arg[0]);
tprints(", ");
printstr(tcp, tcp->u_arg[1], -1);
print_xattr_val(tcp, tcp->u_arg[2], tcp->u_arg[3], tcp->u_arg[3]);
tprints(", ");
printflags(xattrflags, tcp->u_arg[4], "XATTR_???");
return RVAL_DECODED;
}
SYS_FUNC(getxattr)
{
if (entering(tcp)) {
printpath(tcp, tcp->u_arg[0]);
tprints(", ");
printstr(tcp, tcp->u_arg[1], -1);
} else {
print_xattr_val(tcp, tcp->u_arg[2], tcp->u_arg[3], tcp->u_rval);
}
return 0;
}
SYS_FUNC(fgetxattr)
{
if (entering(tcp)) {
printfd(tcp, tcp->u_arg[0]);
tprints(", ");
printstr(tcp, tcp->u_arg[1], -1);
} else {
print_xattr_val(tcp, tcp->u_arg[2], tcp->u_arg[3], tcp->u_rval);
}
return 0;
}
static void
print_xattr_list(struct tcb *tcp, unsigned long addr, unsigned long size)
{
if (!size || syserror(tcp)) {
printaddr(addr);
} else {
printstr(tcp, addr, tcp->u_rval);
}
tprintf(", %lu", size);
}
SYS_FUNC(listxattr)
{
if (entering(tcp)) {
printpath(tcp, tcp->u_arg[0]);
tprints(", ");
} else {
print_xattr_list(tcp, tcp->u_arg[1], tcp->u_arg[2]);
}
return 0;
}
SYS_FUNC(flistxattr)
{
if (entering(tcp)) {
printfd(tcp, tcp->u_arg[0]);
tprints(", ");
} else {
print_xattr_list(tcp, tcp->u_arg[1], tcp->u_arg[2]);
}
return 0;
}
SYS_FUNC(removexattr)
{
printpath(tcp, tcp->u_arg[0]);
tprints(", ");
printstr(tcp, tcp->u_arg[1], -1);
return RVAL_DECODED;
}
SYS_FUNC(fremovexattr)
{
printfd(tcp, tcp->u_arg[0]);
tprints(", ");
printstr(tcp, tcp->u_arg[1], -1);
return RVAL_DECODED;
}