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# settimeofday _______________________________________________
#
# long sys_settimeofday(struct timeval __user *tv,
# struct timezone __user *tz)
#
@define _SYSCALL_SETTIMEOFDAY_NAME
%(
name = "settimeofday"
%)
@define _SYSCALL_SETTIMEOFDAY_ARGSTR
%(
argstr = sprintf("%s, %s", tv_str, tz_str)
%)
@define _SYSCALL_SETTIMEOFDAY_REGARGS
%(
tv_uaddr = pointer_arg(1)
tz_uaddr = pointer_arg(2)
tz_str = _struct_timezone_u(tz_uaddr)
%)
@define _SYSCALL_SETTIMEOFDAY_REGARGS_STORE
%(
if (@probewrite(tv_uaddr))
set_pointer_arg(1, tv_uaddr)
if (@probewrite(tz_uaddr))
set_pointer_arg(2, tz_uaddr)
%)
probe syscall.settimeofday = dw_syscall.settimeofday !,
nd_syscall.settimeofday ? {}
probe syscall.settimeofday.return = dw_syscall.settimeofday.return !,
nd_syscall.settimeofday.return ? {}
# dw_settimeofday _____________________________________________________
probe dw_syscall.settimeofday = kernel.function("sys_settimeofday").call
{
@_SYSCALL_SETTIMEOFDAY_NAME
tv_uaddr = $tv
tv_str = _struct_timeval_u(tv_uaddr, 1)
tz_uaddr = $tz
tz_str = _struct_timezone_u(tz_uaddr)
@_SYSCALL_SETTIMEOFDAY_ARGSTR
}
probe dw_syscall.settimeofday.return = kernel.function("sys_settimeofday").return
{
@_SYSCALL_SETTIMEOFDAY_NAME
@SYSC_RETVALSTR($return)
}
# nd_settimeofday _____________________________________________________
probe nd_syscall.settimeofday = nd1_syscall.settimeofday!, nd2_syscall.settimeofday!, tp_syscall.settimeofday
{ }
probe nd1_syscall.settimeofday = kprobe.function("sys_settimeofday") ?
{
@_SYSCALL_SETTIMEOFDAY_NAME
asmlinkage()
@_SYSCALL_SETTIMEOFDAY_REGARGS
tv_str = _struct_timeval_u(tv_uaddr, 1)
@_SYSCALL_SETTIMEOFDAY_ARGSTR
}
/* kernel 4.17+ */
probe nd2_syscall.settimeofday = kprobe.function(@arch_syscall_prefix "sys_settimeofday") ?
{
__set_syscall_pt_regs(pointer_arg(1))
@_SYSCALL_SETTIMEOFDAY_NAME
@_SYSCALL_SETTIMEOFDAY_REGARGS
tv_str = _struct_timeval_u(tv_uaddr, 1)
@_SYSCALL_SETTIMEOFDAY_ARGSTR
},
{
%( @_IS_SREG_KERNEL %? @_SYSCALL_SETTIMEOFDAY_REGARGS_STORE %)
}
/* kernel 3.5+, but undesirable because it affects all syscalls */
probe tp_syscall.settimeofday = kernel.trace("sys_enter")
{
__set_syscall_pt_regs($regs)
@__syscall_gate(@const("__NR_settimeofday"))
@_SYSCALL_SETTIMEOFDAY_NAME
@_SYSCALL_SETTIMEOFDAY_REGARGS
tv_str = _struct_timeval_u(tv_uaddr, 1)
@_SYSCALL_SETTIMEOFDAY_ARGSTR
},
{
%( @_IS_SREG_KERNEL %? @_SYSCALL_SETTIMEOFDAY_REGARGS_STORE %)
}
probe nd_syscall.settimeofday.return = nd1_syscall.settimeofday.return!, nd2_syscall.settimeofday.return!, tp_syscall.settimeofday.return
{ }
probe nd1_syscall.settimeofday.return = kprobe.function("sys_settimeofday").return ?
{
@_SYSCALL_SETTIMEOFDAY_NAME
@SYSC_RETVALSTR(returnval())
}
/* kernel 4.17+ */
probe nd2_syscall.settimeofday.return = kprobe.function(@arch_syscall_prefix "sys_settimeofday").return ?
{
@_SYSCALL_SETTIMEOFDAY_NAME
@SYSC_RETVALSTR(returnval())
}
/* kernel 3.5+, but undesirable because it affects all syscalls */
probe tp_syscall.settimeofday.return = kernel.trace("sys_exit")
{
__set_syscall_pt_regs($regs)
@__syscall_gate(@const("__NR_settimeofday"))
@_SYSCALL_SETTIMEOFDAY_NAME
@SYSC_RETVALSTR($ret)
}
#
# long sys32_settimeofday(struct compat_timeval __user *tv, struct timezone __user *tz)
# long compat_sys_settimeofday(struct compat_timeval __user *tv, struct timezone __user *tz)
#
probe syscall.settimeofday32 = dw_syscall.settimeofday32 !,
nd_syscall.settimeofday32 ? {}
probe syscall.settimeofday32.return = dw_syscall.settimeofday32.return !,
nd_syscall.settimeofday32.return ? {}
# dw_settimeofday32 _____________________________________________________
probe dw_syscall.settimeofday32 = kernel.function("sys32_settimeofday").call ?,
kernel.function("compat_sys_settimeofday").call ?
{
@_SYSCALL_SETTIMEOFDAY_NAME
tv_uaddr = @__pointer($tv)
tv_str = _struct_compat_timeval_u(tv_uaddr, 1)
tz_uaddr = @__pointer($tz)
tz_str = _struct_timezone_u(tz_uaddr)
@_SYSCALL_SETTIMEOFDAY_ARGSTR
}
probe dw_syscall.settimeofday32.return = kernel.function("sys32_settimeofday").return ?,
kernel.function("compat_sys_settimeofday").return ?
{
@_SYSCALL_SETTIMEOFDAY_NAME
@SYSC_RETVALSTR($return)
}
# nd_settimeofday32 _____________________________________________________
probe nd_syscall.settimeofday32 = nd1_syscall.settimeofday32!, nd2_syscall.settimeofday32!, tp_syscall.settimeofday32
{ }
probe nd1_syscall.settimeofday32 = kprobe.function("sys32_settimeofday") ?,
kprobe.function("compat_sys_settimeofday") ?
{
@_SYSCALL_SETTIMEOFDAY_NAME
asmlinkage()
@_SYSCALL_SETTIMEOFDAY_REGARGS
tv_str = _struct_compat_timeval_u(tv_uaddr, 1)
@_SYSCALL_SETTIMEOFDAY_ARGSTR
}
/* kernel 4.17+ */
probe nd2_syscall.settimeofday32 = kprobe.function(@arch_syscall_prefix "compat_sys_settimeofday") ?
{
__set_syscall_pt_regs(pointer_arg(1))
@_SYSCALL_SETTIMEOFDAY_NAME
@_SYSCALL_SETTIMEOFDAY_REGARGS
tv_str = _struct_compat_timeval_u(tv_uaddr, 1)
@_SYSCALL_SETTIMEOFDAY_ARGSTR
},
{
%( @_IS_SREG_KERNEL %? @_SYSCALL_SETTIMEOFDAY_REGARGS_STORE %)
}
/* kernel 3.5+, but undesirable because it affects all syscalls */
probe tp_syscall.settimeofday32 = kernel.trace("sys_enter")
{
__set_syscall_pt_regs($regs)
@__compat_syscall_gate(@const("__NR_compat_settimeofday"))
@_SYSCALL_SETTIMEOFDAY_NAME
@_SYSCALL_SETTIMEOFDAY_REGARGS
tv_str = _struct_compat_timeval_u(tv_uaddr, 1)
@_SYSCALL_SETTIMEOFDAY_ARGSTR
},
{
%( @_IS_SREG_KERNEL %? @_SYSCALL_SETTIMEOFDAY_REGARGS_STORE %)
}
probe nd_syscall.settimeofday32.return = nd1_syscall.settimeofday32.return!, nd2_syscall.settimeofday32.return!, tp_syscall.settimeofday32.return
{ }
probe nd1_syscall.settimeofday32.return = kprobe.function("sys32_settimeofday").return ?,
kprobe.function("compat_sys_settimeofday").return ?
{
@_SYSCALL_SETTIMEOFDAY_NAME
@SYSC_RETVALSTR(returnval())
}
/* kernel 4.17+ */
probe nd2_syscall.settimeofday32.return = kprobe.function(@arch_syscall_prefix "compat_sys_settimeofday").return ?
{
@_SYSCALL_SETTIMEOFDAY_NAME
@SYSC_RETVALSTR(returnval())
}
/* kernel 3.5+, but undesirable because it affects all syscalls */
probe tp_syscall.settimeofday32.return = kernel.trace("sys_exit")
{
__set_syscall_pt_regs($regs)
@__compat_syscall_gate(@const("__NR_compat_settimeofday"))
@_SYSCALL_SETTIMEOFDAY_NAME
@SYSC_RETVALSTR($ret)
}
|
