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# geteuid ____________________________________________________
# long sys_geteuid(void)
# long sys32_geteuid16(void)
#
@define _SYSCALL_GETEUID_NAME
%(
name = "geteuid"
%)
@define _SYSCALL_GETEUID_ARGSTR
%(
argstr = ""
%)
probe syscall.geteuid = dw_syscall.geteuid !, nd_syscall.geteuid ? {}
probe syscall.geteuid.return = dw_syscall.geteuid.return !, nd_syscall.geteuid.return ? {}
# dw_geteuid _____________________________________________________
probe dw_syscall.geteuid = kernel.function("sys_geteuid16").call ?,
kernel.function("sys32_geteuid16").call ?,
%( arch == "s390" %?
kernel.function("compat_sys_s390_geteuid16").call ?,
%)
kernel.function("sys_geteuid").call
{
@_SYSCALL_GETEUID_NAME
@_SYSCALL_GETEUID_ARGSTR
}
probe dw_syscall.geteuid.return = kernel.function("sys_geteuid16").return ?,
kernel.function("sys32_geteuid16").return ?,
%( arch == "s390" %?
kernel.function("compat_sys_s390_geteuid16").return ?,
%)
kernel.function("sys_geteuid").return
{
@_SYSCALL_GETEUID_NAME
@SYSC_RETVALSTR($return)
}
# nd_geteuid _____________________________________________________
probe nd_syscall.geteuid = nd1_syscall.geteuid!, nd2_syscall.geteuid!, tp_syscall.geteuid
{ }
probe nd1_syscall.geteuid = kprobe.function("sys_geteuid16") ?,
kprobe.function("sys32_geteuid16") ?,
%( arch == "s390" %?
kprobe.function("compat_sys_s390_geteuid16") ?,
%)
kprobe.function("sys_geteuid")
{
@_SYSCALL_GETEUID_NAME
@_SYSCALL_GETEUID_ARGSTR
}
/* kernel 4.17+ */
probe nd2_syscall.geteuid = kprobe.function(@arch_syscall0_prefix "sys_geteuid") ?,
kprobe.function(@arch_syscall0_prefix "sys_geteuid16") ?
{
@_SYSCALL_GETEUID_NAME
@_SYSCALL_GETEUID_ARGSTR
}
/* kernel 3.5+, but undesirable because it affects all syscalls */
probe tp_syscall.geteuid = __tp_syscall.geteuid, __tp_syscall.geteuid16
{
@_SYSCALL_GETEUID_NAME
@_SYSCALL_GETEUID_ARGSTR
}
probe __tp_syscall.geteuid = kernel.trace("sys_enter")
{
@__syscall_compat_gate(@const("__NR_geteuid"), @const("__NR_compat_geteuid32"))
}
probe __tp_syscall.geteuid16 = kernel.trace("sys_enter")
{
@__compat_syscall_gate(@const("__NR_compat_geteuid"))
}
probe nd_syscall.geteuid.return = nd1_syscall.geteuid.return!, nd2_syscall.geteuid.return!, tp_syscall.geteuid.return
{ }
probe nd1_syscall.geteuid.return = kprobe.function("sys_geteuid16").return ?,
kprobe.function("sys32_geteuid16").return ?,
%( arch == "s390" %?
kprobe.function("compat_sys_s390_geteuid16").return ?,
%)
kprobe.function("sys_geteuid").return
{
@_SYSCALL_GETEUID_NAME
@SYSC_RETVALSTR(returnval())
}
/* kernel 4.17+ */
probe nd2_syscall.geteuid.return =
kprobe.function(@arch_syscall0_prefix "sys_geteuid").return ?,
kprobe.function(@arch_syscall0_prefix "sys_geteuid16").return ?
{
@_SYSCALL_GETEUID_NAME
@SYSC_RETVALSTR(returnval())
}
/* kernel 3.5+, but undesirable because it affects all syscalls */
probe tp_syscall.geteuid.return = __tp_syscall.geteuid.return, __tp_syscall.geteuid16.return
{
__set_syscall_pt_regs($regs)
@_SYSCALL_GETEUID_NAME
@SYSC_RETVALSTR($ret)
}
probe __tp_syscall.geteuid.return = kernel.trace("sys_exit")
{
@__syscall_compat_gate(@const("__NR_geteuid"), @const("__NR_compat_geteuid32"))
}
probe __tp_syscall.geteuid16.return = kernel.trace("sys_exit")
{
@__compat_syscall_gate(@const("__NR_compat_geteuid"))
}
|
