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// SPDX-License-Identifier: GPL-2.0-or-later
/* seitan - Syscall Expressive Interpreter, Transformer and Notifier
*
* cooker/calls/ioctl.c - Description of known ioctl(2) requests
*
* Copyright 2023 Red Hat GmbH
* Authors: Alice Frosi <afrosi@redhat.com>
* Stefano Brivio <sbrivio@redhat.com>
*/
/*
fd = ioctl_ns(fd, request)
n = ioctl_tty(fd, cmd, argp)
e = ioctl_iflags(fd, cmd, attr)
*/
#include <asm-generic/unistd.h>
#include <sys/syscall.h>
#include <sys/ioctl.h>
#include <termios.h>
#include <linux/fs.h>
#include <linux/nsfs.h>
#include <net/if.h>
#include <linux/if.h>
#include <linux/if_tun.h>
#include "../cooker.h"
#include "../calls.h"
static struct num request[] = {
{ "FS_IOC_GETFLAGS", FS_IOC_GETFLAGS }, /* ioctl_iflags */
{ "FS_IOC_SETFLAGS", FS_IOC_SETFLAGS },
{ "NS_GET_USERNS", NS_GET_USERNS }, /* ioctl_ns*/
{ "NS_GET_PARENT", NS_GET_PARENT },
{ "TCGETS", TCGETS }, /* ioctl_tty */
{ "TCSETS", TCSETS },
{ "TCSETSW", TCSETSW },
{ "TCSETSF", TCSETSF },
{ "TUNSETIFF", TUNSETIFF }, /* no man page? */
{ 0 },
};
static struct num attr[] = {
{ "FS_APPEND_FL", FS_APPEND_FL },
{ "FS_COMPR_FL", FS_COMPR_FL },
{ "FS_DIRSYNC_FL", FS_DIRSYNC_FL },
{ "FS_IMMUTABLE_FL", FS_IMMUTABLE_FL },
{ "FS_JOURNAL_DATA_FL", FS_JOURNAL_DATA_FL },
{ "FS_NOATIME_FL", FS_NOATIME_FL },
{ "FS_NOCOW_FL", FS_NOCOW_FL },
{ "FS_NODUMP_FL", FS_NODUMP_FL },
{ "FS_NOTAIL_FL", FS_NOTAIL_FL },
{ "FS_PROJINHERIT_FL", FS_PROJINHERIT_FL },
{ "FS_SECRM_FL", FS_SECRM_FL },
{ "FS_SYNC_FL", FS_SYNC_FL },
{ "FS_TOPDIR_FL", FS_TOPDIR_FL },
{ "FS_UNRM_FL", FS_UNRM_FL },
};
static struct num tun_ifr_flags[] = {
{ "IFF_TUN", IFF_TUN },
{ 0 },
};
static struct field tun_ifr[] = { /* netdevice(7) */
{
"name", STRING, 0,
offsetof(struct ifreq, ifr_name),
IFNAMSIZ, { 0 },
},
{
"flags", INT, FLAGS,
offsetof(struct ifreq, ifr_flags),
0, { .d_num = tun_ifr_flags },
},
};
static struct select_num ioctl_request_arg[] = {
{ FS_IOC_GETFLAGS, -1,
{ 2,
{
"argp", INT, FLAGS,
sizeof(int), 0,
{ .d_num = attr }
}
}
},
{ FS_IOC_SETFLAGS, -1,
{ 2,
{
"argp", INT, FLAGS,
sizeof(int), 0,
{ .d_num = attr }
}
}
},
{ TUNSETIFF, -1,
{ 2,
{
"ifr", STRUCT, 0,
sizeof(struct ifreq), 0,
{ .d_struct = tun_ifr }
}
}
},
{ 0 },
};
static struct field ioctl_request = {
"request", INT, 0, 0, 0, { .d_num = request },
};
static struct select ioctl_request_select = {
&ioctl_request, { .d_num = ioctl_request_arg }
};
static struct arg ioctl_args[] = {
{ 0,
{
"path", FDPATH, 0, 0, 0,
{ 0 }
}
},
{ 0,
{
"fd", INT, 0, 0, 0,
{ 0 }
}
},
{ 1,
{
"request", SELECT, 0, 0, 0,
{ .d_select = &ioctl_request_select }
}
},
{ 2,
{
"arg", SELECTED, 0, -1, 0,
{ 0 }
}
},
{ 0 },
};
struct call syscalls_ioctl[] = {
{ __NR_ioctl, "ioctl", ioctl_args },
{ 0 },
};
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