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# getsockname ________________________________________________
# long sys_getsockname(int fd,
# struct sockaddr __user *usockaddr,
# int __user *usockaddr_len)
@define _SYSCALL_GETSOCKNAME_NAME
%(
name = "getsockname"
%)
@define _SYSCALL_GETSOCKNAME_ARGSTR
%(
argstr = sprintf("%d, %p, %p", s, name_uaddr, namelen_uaddr)
%)
@define _SYSCALL_GETSOCKNAME_REGARGS
%(
s = int_arg(1)
name_uaddr = pointer_arg(2)
namelen_uaddr = pointer_arg(3)
%)
@define _SYSCALL_GETSOCKNAME_REGARGS_STORE
%(
if (@probewrite(s))
set_int_arg(1, s)
if (@probewrite(name_uaddr))
set_pointer_arg(2, name_uaddr)
if (@probewrite(namelen_uaddr))
set_pointer_arg(3, namelen_uaddr)
%)
@define _SYSCALL_SOCKETCALL_GETSOCKNAME_REGARGS
%(
__argsl = &@ulong_cast(pointer_arg(2))
s = __int32(user_ulong(&@ulong_cast(__argsl)[0]))
name_uaddr = user_ulong(&@ulong_cast(__argsl)[1])
namelen_uaddr = user_ulong(&@ulong_cast(__argsl)[2])
%)
@define _SYSCALL_COMPAT_SOCKETCALL_GETSOCKNAME_REGARGS
%(
__argsi = &@uint_cast(pointer_arg(2))
s = user_int(&@uint_cast(__argsi)[0])
name_uaddr = user_uint32(&@uint_cast(__argsi)[1])
namelen_uaddr = user_uint32(&@uint_cast(__argsi)[2])
%)
probe syscall.getsockname = dw_syscall.getsockname !, nd_syscall.getsockname ? {}
probe syscall.getsockname.return = dw_syscall.getsockname.return !,
nd_syscall.getsockname.return ? {}
# dw_getsockname _____________________________________________________
probe dw_syscall.getsockname = __syscall.getsockname ?,
__syscall.socketcall.getsockname ?,
__syscall.compat_socketcall.getsockname ?
{
@_SYSCALL_GETSOCKNAME_NAME
@_SYSCALL_GETSOCKNAME_ARGSTR
}
probe __syscall.getsockname = kernel.function("sys_getsockname").call ?
{
@__syscall_gate(@const("__NR_getsockname"))
s = __int32($fd)
name_uaddr = $usockaddr
namelen_uaddr = $usockaddr_len
}
probe __syscall.socketcall.getsockname = kernel.function("sys_socketcall").call ?
{
if (__int32($call) != @const("SYS_GETSOCKNAME")) next;
s = __int32(user_ulong(&@ulong_cast($args)[0]))
name_uaddr = user_ulong(&@ulong_cast($args)[1])
namelen_uaddr = user_ulong(&@ulong_cast($args)[2])
}
probe __syscall.compat_socketcall.getsockname =
kernel.function("compat_sys_socketcall").call ?
{
if (__int32($call) != @const("SYS_GETSOCKNAME")) next;
s = user_int(&@uint_cast($args)[0])
name_uaddr = user_uint32(&@uint_cast($args)[1])
namelen_uaddr = user_uint32(&@uint_cast($args)[2])
}
probe dw_syscall.getsockname.return = __syscall.getsockname.return ?,
__syscall.socketcall.getsockname.return ?
{
@_SYSCALL_GETSOCKNAME_NAME
@SYSC_RETVALSTR($return)
}
probe __syscall.getsockname.return = kernel.function("sys_getsockname").return ?
{
@__syscall_gate(@const("__NR_getsockname"))
}
probe __syscall.socketcall.getsockname.return =
kernel.function("sys_socketcall").return ?,
kernel.function("compat_sys_socketcall").return ?
{
if (__int32(@entry($call)) != @const("SYS_GETSOCKNAME")) next;
}
# nd_getsockname _____________________________________________________
probe nd_syscall.getsockname = nd1_syscall.getsockname!, nd2_syscall.getsockname!, tp_syscall.getsockname
{ }
probe nd1_syscall.getsockname = __nd1_syscall.getsockname ?,
__nd1_syscall.socketcall.getsockname ?,
__nd1_syscall.compat_socketcall.getsockname ?
{
@_SYSCALL_GETSOCKNAME_NAME
@_SYSCALL_GETSOCKNAME_ARGSTR
}
probe __nd1_syscall.getsockname = kprobe.function("sys_getsockname") ?
{
@__syscall_gate(@const("__NR_getsockname"))
asmlinkage()
@_SYSCALL_GETSOCKNAME_REGARGS
}
probe __nd1_syscall.socketcall.getsockname =
kprobe.function("sys_socketcall").call ?
{
asmlinkage()
if (int_arg(1) != @const("SYS_GETSOCKNAME")) next;
@_SYSCALL_SOCKETCALL_GETSOCKNAME_REGARGS
}
probe __nd1_syscall.compat_socketcall.getsockname =
kprobe.function("compat_sys_socketcall").call ?
{
asmlinkage()
if (int_arg(1) != @const("SYS_GETSOCKNAME")) next;
@_SYSCALL_COMPAT_SOCKETCALL_GETSOCKNAME_REGARGS
}
/* kernel 4.17+ */
probe nd2_syscall.getsockname = __nd2_syscall.getsockname ?,
__nd2_syscall.socketcall.getsockname ?,
__nd2_syscall.compat_socketcall.getsockname ?
{
@_SYSCALL_GETSOCKNAME_NAME
@_SYSCALL_GETSOCKNAME_ARGSTR
}
probe __nd2_syscall.getsockname = kprobe.function(@arch_syscall_prefix "sys_getsockname") ?
{
__set_syscall_pt_regs(pointer_arg(1))
@_SYSCALL_GETSOCKNAME_REGARGS
},
{
@_SYSCALL_GETSOCKNAME_REGARGS_STORE
}
probe __nd2_syscall.socketcall.getsockname =
kprobe.function(@arch_syscall_prefix "sys_socketcall").call ?
{
__set_syscall_pt_regs(pointer_arg(1))
if (int_arg(1) != @const("SYS_GETSOCKNAME")) next;
@_SYSCALL_SOCKETCALL_GETSOCKNAME_REGARGS
}
probe __nd2_syscall.compat_socketcall.getsockname =
kprobe.function(@arch_syscall_prefix "compat_sys_socketcall").call ?
{
__set_syscall_pt_regs(pointer_arg(1))
if (int_arg(1) != @const("SYS_GETSOCKNAME")) next;
@_SYSCALL_COMPAT_SOCKETCALL_GETSOCKNAME_REGARGS
}
/* kernel 3.5+, but undesirable because it affects all syscalls */
probe tp_syscall.getsockname = __tp_syscall.getsockname ?,
__tp_syscall.socketcall.getsockname ?
{
@_SYSCALL_GETSOCKNAME_NAME
@_SYSCALL_GETSOCKNAME_ARGSTR
}
probe __tp_syscall.getsockname = kernel.trace("sys_enter")
{
__set_syscall_pt_regs($regs)
@__syscall_gate(@const("__NR_getsockname"))
@_SYSCALL_GETSOCKNAME_REGARGS
},
{
@_SYSCALL_GETSOCKNAME_REGARGS_STORE
}
probe __tp_syscall.socketcall.getsockname = kernel.trace("sys_enter")
{
__set_syscall_pt_regs($regs)
@__syscall_compat_gate(@const("__NR_socketcall"), @const("__NR_compat_socketcall"))
if (int_arg(1) != @const("SYS_GETSOCKNAME")) next;
if (@__compat_task) {
@_SYSCALL_COMPAT_SOCKETCALL_GETSOCKNAME_REGARGS
}
else {
@_SYSCALL_SOCKETCALL_GETSOCKNAME_REGARGS
}
}
probe nd_syscall.getsockname.return = nd1_syscall.getsockname.return!, nd2_syscall.getsockname.return!, tp_syscall.getsockname.return
{ }
probe nd1_syscall.getsockname.return =
__nd1_syscall.getsockname.return ?,
__nd1_syscall.socketcall.getsockname.return ?
{
@_SYSCALL_GETSOCKNAME_NAME
@SYSC_RETVALSTR(returnval())
}
probe __nd1_syscall.getsockname.return =
kprobe.function("sys_getsockname").return ?
{
@__syscall_gate(@const("__NR_getsockname"))
}
probe __nd1_syscall.socketcall.getsockname.return =
kprobe.function("sys_socketcall").return ?,
kprobe.function("compat_sys_socketcall").return ?
{
if (@entry(__asmlinkage_int_arg(1)) != @const("SYS_GETSOCKNAME")) next;
}
/* kernel 4.17+ */
probe nd2_syscall.getsockname.return =
kprobe.function(@arch_syscall_prefix "sys_getsockname").return ?,
__nd2_syscall.socketcall.getsockname.return ?
{
@_SYSCALL_GETSOCKNAME_NAME
@SYSC_RETVALSTR(returnval())
}
probe __nd2_syscall.socketcall.getsockname.return =
kprobe.function(@arch_syscall_prefix "sys_socketcall").return ?,
kprobe.function(@arch_syscall_prefix "compat_sys_socketcall").return ?
{
__set_syscall_pt_regs(@entry(pointer_arg(1)))
if (int_arg(1) != @const("SYS_GETSOCKNAME")) next;
}
/* kernel 3.5+, but undesirable because it affects all syscalls */
probe tp_syscall.getsockname.return = __tp_syscall.getsockname.return ?,
__tp_syscall.socketcall.getsockname.return ?
{
@_SYSCALL_GETSOCKNAME_NAME
@SYSC_RETVALSTR($ret)
}
probe __tp_syscall.getsockname.return = kernel.trace("sys_exit")
{
@__syscall_gate(@const("__NR_getsockname"))
}
probe __tp_syscall.socketcall.getsockname.return = kernel.trace("sys_exit")
{
__set_syscall_pt_regs($regs)
@__syscall_compat_gate(@const("__NR_socketcall"), @const("__NR_compat_socketcall"))
if (int_arg(1) != @const("SYS_GETSOCKNAME")) next;
}