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# futimesat _____________________________________________________
#
# long sys_futimesat(int dfd, char __user *filename, struct timeval __user *utimes)
# long compat_sys_futimesat(unsigned int dfd, char __user *filename, struct compat_timeval __user *t)
#
@define _SYSCALL_FUTIMESAT_NAME
%(
name = "futimesat"
%)
@define _SYSCALL_FUTIMESAT_ARGSTR
%(
argstr = sprintf("%s, %s, %s", dirfd_str, filename, tvp_str)
%)
@define _SYSCALL_FUTIMESAT_REGARGS
%(
dirfd = int_arg(1)
dirfd_str = _dfd_str(dirfd)
filename_uaddr = pointer_arg(2)
filename = user_string_quoted(filename_uaddr)
filename_unquoted = user_string_nofault(pointer_arg(2))
tvp_uaddr = pointer_arg(3)
%)
@define _SYSCALL_FUTIMESAT_REGARGS_STORE
%(
if (@probewrite(dirfd))
set_int_arg(1, dirfd)
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(tvp_uaddr))
set_pointer_arg(3, tvp_uaddr)
%)
probe syscall.futimesat = dw_syscall.futimesat !, nd_syscall.futimesat ? {}
probe syscall.futimesat.return = dw_syscall.futimesat.return !,
nd_syscall.futimesat.return ? {}
probe syscall.compat_futimesat = dw_syscall.compat_futimesat !,
nd_syscall.compat_futimesat ? {}
probe syscall.compat_futimesat.return = dw_syscall.compat_futimesat.return !,
nd_syscall.compat_futimesat.return ? {}
# dw_futimesat _____________________________________________________
probe dw_syscall.futimesat = kernel.function("sys_futimesat").call ?
{
@__syscall_gate(@const("__NR_futimesat"))
@_SYSCALL_FUTIMESAT_NAME
dirfd = __int32($dfd)
dirfd_str = _dfd_str(__int32($dfd))
filename_uaddr = $filename
filename = user_string_quoted($filename)
tvp_uaddr = $utimes
tvp_str = _struct_timeval_u(tvp_uaddr, 2)
@_SYSCALL_FUTIMESAT_ARGSTR
}
probe dw_syscall.compat_futimesat = kernel.function("compat_sys_futimesat").call ?
{
@__compat_syscall_gate(@const("__NR_compat_futimesat"))
@_SYSCALL_FUTIMESAT_NAME
dirfd = __int32($dfd)
dirfd_str = _dfd_str(__int32($dfd))
filename_uaddr = @__pointer($filename)
filename = user_string_quoted($filename)
tvp_uaddr = @__pointer($t)
tvp_str = _struct_compat_timeval_u(tvp_uaddr, 2)
@_SYSCALL_FUTIMESAT_ARGSTR
}
probe dw_syscall.futimesat.return = kernel.function("sys_futimesat").return ?
{
@__syscall_gate(@const("__NR_futimesat"))
@_SYSCALL_FUTIMESAT_NAME
@SYSC_RETVALSTR($return)
}
probe dw_syscall.compat_futimesat.return =
kernel.function("compat_sys_futimesat").return ?
{
@__compat_syscall_gate(@const("__NR_compat_futimesat"))
@_SYSCALL_FUTIMESAT_NAME
@SYSC_RETVALSTR($return)
}
# nd_futimesat _____________________________________________________
probe nd_syscall.futimesat = nd1_syscall.futimesat!, nd2_syscall.futimesat!, tp_syscall.futimesat
{ }
probe nd1_syscall.futimesat = kprobe.function("sys_futimesat") ?
{
asmlinkage()
@__syscall_gate(@const("__NR_futimesat"))
@_SYSCALL_FUTIMESAT_NAME
@_SYSCALL_FUTIMESAT_REGARGS
tvp_str = _struct_timeval_u(tvp_uaddr, 2)
@_SYSCALL_FUTIMESAT_ARGSTR
}
/* kernel 4.17+ */
probe nd2_syscall.futimesat = kprobe.function(@arch_syscall_prefix "sys_futimesat") ?
{
__set_syscall_pt_regs(pointer_arg(1))
@_SYSCALL_FUTIMESAT_NAME
@_SYSCALL_FUTIMESAT_REGARGS
tvp_str = _struct_timeval_u(tvp_uaddr, 2)
@_SYSCALL_FUTIMESAT_ARGSTR
},
{
@_SYSCALL_FUTIMESAT_REGARGS_STORE
}
/* kernel 3.5+, but undesirable because it affects all syscalls */
probe tp_syscall.futimesat = kernel.trace("sys_enter")
{
__set_syscall_pt_regs($regs)
@__syscall_gate(@const("__NR_futimesat"))
@_SYSCALL_FUTIMESAT_NAME
@_SYSCALL_FUTIMESAT_REGARGS
tvp_str = _struct_timeval_u(tvp_uaddr, 2)
@_SYSCALL_FUTIMESAT_ARGSTR
},
{
@_SYSCALL_FUTIMESAT_REGARGS_STORE
}
probe nd_syscall.futimesat.return = nd1_syscall.futimesat.return!, nd2_syscall.futimesat.return!, tp_syscall.futimesat.return
{ }
probe nd1_syscall.futimesat.return = kprobe.function("sys_futimesat").return ?
{
@__syscall_gate(@const("__NR_futimesat"))
@_SYSCALL_FUTIMESAT_NAME
@SYSC_RETVALSTR(returnval())
}
/* kernel 4.17+ */
probe nd2_syscall.futimesat.return = kprobe.function(@arch_syscall_prefix "sys_futimesat").return ?
{
@_SYSCALL_FUTIMESAT_NAME
@SYSC_RETVALSTR(returnval())
}
/* kernel 3.5+, but undesirable because it affects all syscalls */
probe tp_syscall.futimesat.return = kernel.trace("sys_exit")
{
__set_syscall_pt_regs($regs)
@__syscall_gate(@const("__NR_futimesat"))
@_SYSCALL_FUTIMESAT_NAME
@SYSC_RETVALSTR($ret)
}
probe nd_syscall.compat_futimesat = nd1_syscall.compat_futimesat!, nd2_syscall.compat_futimesat!, tp_syscall.compat_futimesat
{ }
probe nd1_syscall.compat_futimesat = kprobe.function("compat_sys_futimesat") ?
{
asmlinkage()
@__compat_syscall_gate(@const("__NR_compat_futimesat"))
@_SYSCALL_FUTIMESAT_NAME
@_SYSCALL_FUTIMESAT_REGARGS
tvp_str = _struct_compat_timeval_u(tvp_uaddr, 2)
@_SYSCALL_FUTIMESAT_ARGSTR
}
/* kernel 4.17+ */
probe nd2_syscall.compat_futimesat = kprobe.function(@arch_syscall_prefix "compat_sys_futimesat") ?
{
__set_syscall_pt_regs(pointer_arg(1))
@_SYSCALL_FUTIMESAT_NAME
@_SYSCALL_FUTIMESAT_REGARGS
tvp_str = _struct_compat_timeval_u(tvp_uaddr, 2)
@_SYSCALL_FUTIMESAT_ARGSTR
},
{
@_SYSCALL_FUTIMESAT_REGARGS_STORE
}
/* kernel 3.5+, but undesirable because it affects all syscalls */
probe tp_syscall.compat_futimesat = kernel.trace("sys_enter")
{
__set_syscall_pt_regs($regs)
@__compat_syscall_gate(@const("__NR_compat_futimesat"))
@_SYSCALL_FUTIMESAT_NAME
@_SYSCALL_FUTIMESAT_REGARGS
tvp_str = _struct_compat_timeval_u(tvp_uaddr, 2)
@_SYSCALL_FUTIMESAT_ARGSTR
},
{
@_SYSCALL_FUTIMESAT_REGARGS_STORE
}
probe nd_syscall.compat_futimesat.return = nd1_syscall.compat_futimesat.return!, nd2_syscall.compat_futimesat.return!, tp_syscall.compat_futimesat.return
{ }
probe nd1_syscall.compat_futimesat.return = kprobe.function("compat_sys_futimesat").return ?
{
@__compat_syscall_gate(@const("__NR_compat_futimesat"))
@_SYSCALL_FUTIMESAT_NAME
@SYSC_RETVALSTR(returnval())
}
/* kernel 4.17+ */
probe nd2_syscall.compat_futimesat.return = kprobe.function(@arch_syscall_prefix "compat_sys_futimesat").return ?
{
@_SYSCALL_FUTIMESAT_NAME
@SYSC_RETVALSTR(returnval())
}
/* kernel 3.5+, but undesirable because it affects all syscalls */
probe tp_syscall.compat_futimesat.return = kernel.trace("sys_exit")
{
__set_syscall_pt_regs($regs)
@__compat_syscall_gate(@const("__NR_compat_futimesat"))
@_SYSCALL_FUTIMESAT_NAME
@SYSC_RETVALSTR($ret)
}
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