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# getuid _____________________________________________________
# long sys_getuid(void
# long sys_getuid16(void)
# long sys32_getuid16(void)
#
@define _SYSCALL_GETUID_NAME
%(
name = "getuid"
%)
@define _SYSCALL_GETUID_ARGSTR
%(
argstr = ""
%)
probe syscall.getuid = dw_syscall.getuid !, nd_syscall.getuid ? {}
probe syscall.getuid.return = dw_syscall.getuid.return !, nd_syscall.getuid.return ? {}
# dw_getuid _____________________________________________________
probe dw_syscall.getuid = kernel.function("sys_getuid16").call ?,
kernel.function("sys32_getuid16").call ?,
%( arch == "s390" %?
kernel.function("compat_sys_s390_getuid16").call ?,
%)
kernel.function("sys_getuid").call
{
@_SYSCALL_GETUID_NAME
@_SYSCALL_GETUID_ARGSTR
}
probe dw_syscall.getuid.return = kernel.function("sys_getuid16").return ?,
kernel.function("sys32_getuid16").return ?,
%( arch == "s390" %?
kernel.function("compat_sys_s390_getuid16").return ?,
%)
kernel.function("sys_getuid").return
{
@_SYSCALL_GETUID_NAME
@SYSC_RETVALSTR($return)
}
# nd_getuid _____________________________________________________
probe nd_syscall.getuid = nd1_syscall.getuid!, nd2_syscall.getuid!, tp_syscall.getuid
{ }
probe nd1_syscall.getuid = kprobe.function("sys_getuid16") ?,
kprobe.function("sys32_getuid16") ?,
%( arch == "s390" %?
kprobe.function("compat_sys_s390_getuid16") ?,
%)
kprobe.function("sys_getuid")
{
@_SYSCALL_GETUID_NAME
@_SYSCALL_GETUID_ARGSTR
}
/* kernel 4.17+ */
probe nd2_syscall.getuid = kprobe.function(@arch_syscall0_prefix "sys_getuid") ?,
kprobe.function(@arch_syscall0_prefix "sys_getuid16") ?
{
@_SYSCALL_GETUID_NAME
@_SYSCALL_GETUID_ARGSTR
}
/* kernel 3.5+, but undesirable because it affects all syscalls */
probe tp_syscall.getuid = __tp_syscall.getuid, __tp_syscall.getuid16
{
@_SYSCALL_GETUID_NAME
@_SYSCALL_GETUID_ARGSTR
}
probe __tp_syscall.getuid = kernel.trace("sys_enter")
{
@__syscall_compat_gate(@const("__NR_getuid"), @const("__NR_compat_getuid32"))
}
probe __tp_syscall.getuid16 = kernel.trace("sys_enter")
{
@__compat_syscall_gate(@const("__NR_compat_getuid"))
}
probe nd_syscall.getuid.return = nd1_syscall.getuid.return!, nd2_syscall.getuid.return!, tp_syscall.getuid.return
{ }
probe nd1_syscall.getuid.return = kprobe.function("sys_getuid16").return ?,
kprobe.function("sys32_getuid16").return ?,
%( arch == "s390" %?
kprobe.function("compat_sys_s390_getuid16").return ?,
%)
kprobe.function("sys_getuid").return
{
@_SYSCALL_GETUID_NAME
@SYSC_RETVALSTR(returnval())
}
/* kernel 4.17+ */
probe nd2_syscall.getuid.return =
kprobe.function(@arch_syscall0_prefix "sys_getuid").return ?,
kprobe.function(@arch_syscall0_prefix "sys_getuid16").return ?
{
@_SYSCALL_GETUID_NAME
@SYSC_RETVALSTR(returnval())
}
/* kernel 3.5+, but undesirable because it affects all syscalls */
probe tp_syscall.getuid.return = __tp_syscall.getuid.return, __tp_syscall.getuid16.return
{
__set_syscall_pt_regs($regs)
@_SYSCALL_GETUID_NAME
@SYSC_RETVALSTR($ret)
}
probe __tp_syscall.getuid.return = kernel.trace("sys_exit")
{
@__syscall_compat_gate(@const("__NR_getuid"), @const("__NR_compat_getuid32"))
}
probe __tp_syscall.getuid16.return = kernel.trace("sys_exit")
{
@__compat_syscall_gate(@const("__NR_compat_getuid"))
}
|
