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# utimensat ____________________________________________________
# long sys_utimensat(int dfd, char __user *filename, struct timespec __user *utimes, int flags)
# long compat_sys_utimensat(unsigned int dfd, char __user *filename, struct compat_timespec __user *t, int flags)
#
@define _SYSCALL_UTIMENSAT_NAME
%(
name = "utimensat"
%)
@define _SYSCALL_UTIMENSAT_ARGSTR
%(
argstr = sprintf("%s, %s, %s, %s", dfd_str, filename, tsp_str, flags_str)
%)
@define _SYSCALL_UTIMENSAT_REGARGS
%(
dfd = int_arg(1)
dfd_str = _dfd_str(dfd)
filename_uaddr = pointer_arg(2)
filename = user_string_quoted(filename_uaddr)
filename_unquoted = user_string_nofault(pointer_arg(2))
tsp_uaddr = pointer_arg(3)
flags = int_arg(4)
flags_str = _at_flag_str(flags)
%)
@define _SYSCALL_UTIMENSAT_REGARGS_STORE
%(
if (@probewrite(dfd))
set_int_arg(1, dfd)
if (@probewrite(filename_uaddr))
set_pointer_arg(2, filename_uaddr)
if (@probewrite(filename_unquoted))
set_user_string_arg(pointer_arg(2), filename_unquoted)
if (@probewrite(tsp_uaddr))
set_pointer_arg(3, tsp_uaddr)
if (@probewrite(flags))
set_int_arg(4, flags)
%)
probe syscall.utimensat = dw_syscall.utimensat !, nd_syscall.utimensat ? {}
probe syscall.utimensat.return = dw_syscall.utimensat.return !,
nd_syscall.utimensat.return ? {}
# dw_utimensat _____________________________________________________
probe dw_syscall.utimensat = kernel.function("sys_utimensat").call ?
{
@_SYSCALL_UTIMENSAT_NAME
dfd = __int32($dfd)
dfd_str = _dfd_str(__int32($dfd))
filename_uaddr = $filename
filename = user_string_quoted($filename)
tsp_uaddr = $utimes
tsp_str = _struct_timespec_u(tsp_uaddr, 2)
flags = __int32($flags)
flags_str = _at_flag_str(__int32($flags))
@_SYSCALL_UTIMENSAT_ARGSTR
}
probe dw_syscall.utimensat.return = kernel.function("sys_utimensat").return ?
{
@_SYSCALL_UTIMENSAT_NAME
@SYSC_RETVALSTR($return)
}
# nd_utimensat _____________________________________________________
probe nd_syscall.utimensat = nd1_syscall.utimensat!, nd2_syscall.utimensat!, tp_syscall.utimensat
{ }
probe nd1_syscall.utimensat = kprobe.function("sys_utimensat") ?
{
@_SYSCALL_UTIMENSAT_NAME
asmlinkage()
@_SYSCALL_UTIMENSAT_REGARGS
tsp_str = _struct_timespec_u(tsp_uaddr, 2)
@_SYSCALL_UTIMENSAT_ARGSTR
}
/* kernel 4.17+ */
probe nd2_syscall.utimensat = kprobe.function(@arch_syscall_prefix "sys_utimensat") ?
{
__set_syscall_pt_regs(pointer_arg(1))
@_SYSCALL_UTIMENSAT_NAME
@_SYSCALL_UTIMENSAT_REGARGS
tsp_str = _struct_timespec_u(tsp_uaddr, 2)
@_SYSCALL_UTIMENSAT_ARGSTR
},
{
%( @_IS_SREG_KERNEL %? @_SYSCALL_UTIMENSAT_REGARGS_STORE %)
}
/* kernel 3.5+, but undesirable because it affects all syscalls */
probe tp_syscall.utimensat = kernel.trace("sys_enter")
{
__set_syscall_pt_regs($regs)
@__syscall_gate(@const("__NR_utimensat"))
@_SYSCALL_UTIMENSAT_NAME
@_SYSCALL_UTIMENSAT_REGARGS
tsp_str = _struct_timespec_u(tsp_uaddr, 2)
@_SYSCALL_UTIMENSAT_ARGSTR
},
{
%( @_IS_SREG_KERNEL %? @_SYSCALL_UTIMENSAT_REGARGS_STORE %)
}
probe nd_syscall.utimensat.return = nd1_syscall.utimensat.return!, nd2_syscall.utimensat.return!, tp_syscall.utimensat.return
{ }
probe nd1_syscall.utimensat.return = kprobe.function("sys_utimensat").return ?
{
@_SYSCALL_UTIMENSAT_NAME
@SYSC_RETVALSTR(returnval())
}
/* kernel 4.17+ */
probe nd2_syscall.utimensat.return = kprobe.function(@arch_syscall_prefix "sys_utimensat").return ?
{
@_SYSCALL_UTIMENSAT_NAME
@SYSC_RETVALSTR(returnval())
}
/* kernel 3.5+, but undesirable because it affects all syscalls */
probe tp_syscall.utimensat.return = kernel.trace("sys_exit")
{
__set_syscall_pt_regs($regs)
@__syscall_gate(@const("__NR_utimensat"))
@_SYSCALL_UTIMENSAT_NAME
@SYSC_RETVALSTR($ret)
}
# compat_utimensat _____________________________________________
# long sys_utimensat(int dfd, char __user *filename, struct timespec __user *utimes, int flags)
# long compat_sys_utimensat(unsigned int dfd, char __user *filename, struct compat_timespec __user *t, int flags)
#
probe syscall.compat_utimensat = dw_syscall.compat_utimensat !,
nd_syscall.compat_utimensat ? {}
probe syscall.compat_utimensat.return = dw_syscall.compat_utimensat.return !,
nd_syscall.compat_utimensat.return ? {}
# dw_compat_utimensat _____________________________________________________
probe dw_syscall.compat_utimensat = kernel.function("compat_sys_utimensat").call ?
{
@_SYSCALL_UTIMENSAT_NAME
dfd = __int32($dfd)
dfd_str = _dfd_str(__int32($dfd))
filename_uaddr = @__pointer($filename)
filename = user_string_quoted(filename_uaddr)
tsp_uaddr = @__pointer($t)
tsp_str = _struct_compat_timespec_u(tsp_uaddr, 2)
flags = __int32($flags)
flags_str = _at_flag_str(__int32($flags))
@_SYSCALL_UTIMENSAT_ARGSTR
}
probe dw_syscall.compat_utimensat.return = kernel.function("compat_sys_utimensat").return ?
{
@_SYSCALL_UTIMENSAT_NAME
@SYSC_RETVALSTR($return)
}
# nd_compat_utimensat _____________________________________________________
probe nd_syscall.compat_utimensat = nd1_syscall.compat_utimensat!, nd2_syscall.compat_utimensat!, tp_syscall.compat_utimensat
{ }
probe nd1_syscall.compat_utimensat = kprobe.function("compat_sys_utimensat") ?
{
@_SYSCALL_UTIMENSAT_NAME
asmlinkage()
@_SYSCALL_UTIMENSAT_REGARGS
tsp_str = _struct_compat_timespec_u(tsp_uaddr, 2)
@_SYSCALL_UTIMENSAT_ARGSTR
}
/* kernel 4.17+ */
probe nd2_syscall.compat_utimensat = kprobe.function(@arch_syscall_prefix "compat_sys_utimensat") ?
{
__set_syscall_pt_regs(pointer_arg(1))
@_SYSCALL_UTIMENSAT_NAME
@_SYSCALL_UTIMENSAT_REGARGS
tsp_str = _struct_compat_timespec_u(tsp_uaddr, 2)
@_SYSCALL_UTIMENSAT_ARGSTR
},
{
%( @_IS_SREG_KERNEL %? @_SYSCALL_UTIMENSAT_REGARGS_STORE %)
}
/* kernel 3.5+, but undesirable because it affects all syscalls */
probe tp_syscall.compat_utimensat = kernel.trace("sys_enter")
{
__set_syscall_pt_regs($regs)
@__compat_syscall_gate(@const("__NR_compat_utimensat"))
@_SYSCALL_UTIMENSAT_NAME
@_SYSCALL_UTIMENSAT_REGARGS
tsp_str = _struct_compat_timespec_u(tsp_uaddr, 2)
@_SYSCALL_UTIMENSAT_ARGSTR
},
{
%( @_IS_SREG_KERNEL %? @_SYSCALL_UTIMENSAT_REGARGS_STORE %)
}
probe nd_syscall.compat_utimensat.return = nd1_syscall.compat_utimensat.return!, nd2_syscall.compat_utimensat.return!, tp_syscall.compat_utimensat.return
{ }
probe nd1_syscall.compat_utimensat.return = kprobe.function("compat_sys_utimensat").return ?
{
@_SYSCALL_UTIMENSAT_NAME
@SYSC_RETVALSTR(returnval())
}
/* kernel 4.17+ */
probe nd2_syscall.compat_utimensat.return = kprobe.function(@arch_syscall_prefix "compat_sys_utimensat").return ?
{
@_SYSCALL_UTIMENSAT_NAME
@SYSC_RETVALSTR(returnval())
}
/* kernel 3.5+, but undesirable because it affects all syscalls */
probe tp_syscall.compat_utimensat.return = kernel.trace("sys_exit")
{
__set_syscall_pt_regs($regs)
@__compat_syscall_gate(@const("__NR_compat_utimensat"))
@_SYSCALL_UTIMENSAT_NAME
@SYSC_RETVALSTR($ret)
}
|
