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Improve Provider (un)registration.

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This commit is contained in:
Nodir Temirkhodjaev 2015-02-02 13:37:27 +05:00
parent 8e6afc2acd
commit 240c6fa376
6 changed files with 242 additions and 101 deletions
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27
bin/scripts/provider.lua Normal file
View File

@ -0,0 +1,27 @@
-- WIPF Provider (Un)Registration script
local wipf = require"wipflua"
local sys = require"sys"
local persist, boot
-- Process arguments
for _, v in ipairs(arg) do
if v == "persist" then
persist = true
elseif v == "boot" then
boot = true
end
end
wipf.prov_unregister()
if persist then
local _, err = wipf.prov_register(persist, boot)
if err then
sys.stderr:write("Error: ", sys.strerror(err))
sys.exit(false)
end
end

2
src/common.h
View File

@ -28,6 +28,8 @@ DEFINE_GUID(WIPF_GUID_FILTER_CONNECT_V4,
DEFINE_GUID(WIPF_GUID_FILTER_ACCEPT_V4,
0x544a3e25, 0x7beb, 0x4970, 0x88, 0xef, 0xb4, 0xbc, 0xa2, 0xce, 0x24, 0x82);
#define WIPF_VERSION 0x000100
#define WIPF_DEVICE_NAME "\\\\.\\wipf"
#define WIPF_DEVICE_TYPE 0xD000

101
src/drv/wipfdrv.c
View File

@ -15,6 +15,7 @@
#define WIPF_DEVICE_POOL_TAG 'IPFD'
#include "../wipfconf.c"
#include "../wipfprov.c"
#include "wipfbuf.c"
typedef struct wipf_conf_ref {
@ -267,101 +268,6 @@ wipf_callout_remove (void)
g_device->active = FALSE;
}
static NTSTATUS
wipf_provider_install (void)
{
FWPM_PROVIDER0 provider;
FWPM_CALLOUT0 ocallout4, icallout4;
FWPM_SUBLAYER0 sublayer;
FWPM_FILTER0 ofilter4, ifilter4;
HANDLE engine;
NTSTATUS status;
RtlZeroMemory(&provider, sizeof(FWPM_PROVIDER0));
provider.providerKey = WIPF_GUID_PROVIDER;
provider.displayData.name = L"WipfProvider";
provider.displayData.description = L"Windows IP Filter Provider";
RtlZeroMemory(&ocallout4, sizeof(FWPM_CALLOUT0));
ocallout4.calloutKey = WIPF_GUID_CALLOUT_CONNECT_V4;
ocallout4.displayData.name = L"WipfCalloutConnect4";
ocallout4.displayData.description = L"Windows IP Filter Callout Connect V4";
ocallout4.providerKey = (GUID *) &WIPF_GUID_PROVIDER;
ocallout4.applicableLayer = FWPM_LAYER_ALE_AUTH_CONNECT_V4;
RtlZeroMemory(&icallout4, sizeof(FWPM_CALLOUT0));
icallout4.calloutKey = WIPF_GUID_CALLOUT_ACCEPT_V4;
icallout4.displayData.name = L"WipfCalloutAccept4";
icallout4.displayData.description = L"Windows IP Filter Callout Accept V4";
icallout4.providerKey = (GUID *) &WIPF_GUID_PROVIDER;
icallout4.applicableLayer = FWPM_LAYER_ALE_AUTH_RECV_ACCEPT_V4;
RtlZeroMemory(&sublayer, sizeof(FWPM_SUBLAYER0));
sublayer.subLayerKey = WIPF_GUID_SUBLAYER;
sublayer.displayData.name = L"WipfSublayer";
sublayer.displayData.description = L"Windows IP Filter Sublayer";
sublayer.providerKey = (GUID *) &WIPF_GUID_PROVIDER;
RtlZeroMemory(&ofilter4, sizeof(FWPM_FILTER0));
ofilter4.flags = FWPM_FILTER_FLAG_PERMIT_IF_CALLOUT_UNREGISTERED;
ofilter4.filterKey = WIPF_GUID_FILTER_CONNECT_V4;
ofilter4.layerKey = FWPM_LAYER_ALE_AUTH_CONNECT_V4;
ofilter4.subLayerKey = WIPF_GUID_SUBLAYER;
ofilter4.displayData.name = L"WipfFilterConnect4";
ofilter4.displayData.description = L"Windows IP Filter Connect V4";
ofilter4.action.type = FWP_ACTION_CALLOUT_UNKNOWN;
ofilter4.action.calloutKey = WIPF_GUID_CALLOUT_CONNECT_V4;
RtlZeroMemory(&ifilter4, sizeof(FWPM_FILTER0));
ifilter4.flags = FWPM_FILTER_FLAG_PERMIT_IF_CALLOUT_UNREGISTERED;
ifilter4.filterKey = WIPF_GUID_FILTER_ACCEPT_V4;
ifilter4.layerKey = FWPM_LAYER_ALE_AUTH_RECV_ACCEPT_V4;
ifilter4.subLayerKey = WIPF_GUID_SUBLAYER;
ifilter4.displayData.name = L"WipfFilterAccept4";
ifilter4.displayData.description = L"Windows IP Filter Accept V4";
ifilter4.action.type = FWP_ACTION_CALLOUT_UNKNOWN;
ifilter4.action.calloutKey = WIPF_GUID_CALLOUT_ACCEPT_V4;
if (NT_SUCCESS(status = FwpmEngineOpen0(
NULL, RPC_C_AUTHN_WINNT, NULL, NULL, &engine))) {
if (!NT_SUCCESS(status = FwpmTransactionBegin0(engine, 0))
|| !NT_SUCCESS(status = FwpmProviderAdd0(engine, &provider, NULL))
|| !NT_SUCCESS(status = FwpmCalloutAdd0(engine, &ocallout4, NULL, NULL))
|| !NT_SUCCESS(status = FwpmCalloutAdd0(engine, &icallout4, NULL, NULL))
|| !NT_SUCCESS(status = FwpmSubLayerAdd0(engine, &sublayer, NULL))
|| !NT_SUCCESS(status = FwpmFilterAdd0(engine, &ofilter4, NULL, NULL))
|| !NT_SUCCESS(status = FwpmFilterAdd0(engine, &ifilter4, NULL, NULL))
|| !NT_SUCCESS(status = FwpmTransactionCommit0(engine))
)
FwpmTransactionAbort0(engine);
FwpmEngineClose0(engine);
}
if (!NT_SUCCESS(status)) {
DbgPrintEx(DPFLTR_IHVNETWORK_ID, DPFLTR_ERROR_LEVEL, "WIPF: Provider Install: Error: %d\n", status);
}
return status;
}
static void
wipf_provider_remove (void)
{
HANDLE engine;
if (NT_SUCCESS(FwpmEngineOpen0(NULL, RPC_C_AUTHN_WINNT, NULL, NULL, &engine))) {
FwpmFilterDeleteByKey0(engine, (GUID *) &WIPF_GUID_FILTER_CONNECT_V4);
FwpmFilterDeleteByKey0(engine, (GUID *) &WIPF_GUID_FILTER_ACCEPT_V4);
FwpmSubLayerDeleteByKey0(engine, (GUID *) &WIPF_GUID_SUBLAYER);
FwpmCalloutDeleteByKey0(engine, (GUID *) &WIPF_GUID_CALLOUT_CONNECT_V4);
FwpmCalloutDeleteByKey0(engine, (GUID *) &WIPF_GUID_CALLOUT_ACCEPT_V4);
FwpmProviderDeleteByKey0(engine, (GUID *) &WIPF_GUID_PROVIDER);
FwpmEngineClose0(engine);
}
}
static NTSTATUS
wipf_device_create (PDEVICE_OBJECT device, PIRP irp)
{
@ -476,7 +382,7 @@ wipf_driver_unload (PDRIVER_OBJECT driver)
wipf_buffer_close(&g_device->buffer);
wipf_provider_remove();
wipf_prov_unregister();
RtlInitUnicodeString(&device_link, DOS_DEVICE_NAME);
IoDeleteSymbolicLink(&device_link);
@ -520,8 +426,7 @@ DriverEntry (PDRIVER_OBJECT driver, PUNICODE_STRING reg_path)
KeInitializeSpinLock(&g_device->conf_lock);
wipf_provider_remove();
status = wipf_provider_install();
status = wipf_prov_register(FALSE, FALSE);
}
}

33
src/lua/wipflua.c
View File

@ -17,6 +17,7 @@
#include "../wipfconf.h"
#include "../wipflog.c"
#include "../wipfprov.c"
/*
@ -395,6 +396,36 @@ wipf_lua_conf_read (lua_State *L)
return 13;
}
/*
* Arguments: persist (boolean), boot (boolean)
* Returns: boolean | nil, err_code
*/
static int
wipf_lua_prov_register (lua_State *L)
{
const BOOL persist = lua_toboolean(L, 1);
const BOOL boot = lua_toboolean(L, 2);
const DWORD status = wipf_prov_register(persist, boot);
if (!status) {
lua_pushboolean(L, 1);
return 1;
}
lua_pushnil(L);
lua_pushinteger(L, status);
return 2;
}
static int
wipf_lua_prov_unregister (lua_State *L)
{
(void) L;
wipf_prov_unregister();
return 0;
}
static luaL_Reg wipf_lib[] = {
{"device_name", wipf_lua_device_name},
@ -406,6 +437,8 @@ static luaL_Reg wipf_lib[] = {
{"conf_buffer_size", wipf_lua_conf_buffer_size},
{"conf_write", wipf_lua_conf_write},
{"conf_read", wipf_lua_conf_read},
{"prov_register", wipf_lua_prov_register},
{"prov_unregister", wipf_lua_prov_unregister},
{NULL, NULL}
};

148
src/wipfprov.c Normal file
View File

@ -0,0 +1,148 @@
/* Windows IP Filter Provider (Un)Registration */
typedef struct wipf_prov_data {
UINT32 version : 24;
UINT32 persist : 1;
UINT32 boot : 1;
} WIPF_PROV_DATA, *PWIPF_PROV_DATA;
static BOOL g_providerPersist = FALSE;
static void
wipf_prov_delete (HANDLE engine)
{
FwpmFilterDeleteByKey0(engine, (GUID *) &WIPF_GUID_FILTER_CONNECT_V4);
FwpmFilterDeleteByKey0(engine, (GUID *) &WIPF_GUID_FILTER_ACCEPT_V4);
FwpmSubLayerDeleteByKey0(engine, (GUID *) &WIPF_GUID_SUBLAYER);
FwpmCalloutDeleteByKey0(engine, (GUID *) &WIPF_GUID_CALLOUT_CONNECT_V4);
FwpmCalloutDeleteByKey0(engine, (GUID *) &WIPF_GUID_CALLOUT_ACCEPT_V4);
FwpmProviderDeleteByKey0(engine, (GUID *) &WIPF_GUID_PROVIDER);
}
static void
wipf_prov_unregister (void)
{
HANDLE engine;
if (g_providerPersist
|| FwpmEngineOpen0(NULL, RPC_C_AUTHN_WINNT, NULL, NULL, &engine))
return;
wipf_prov_delete(engine);
FwpmEngineClose0(engine);
}
static DWORD
wipf_prov_register (BOOL persist, BOOL boot)
{
FWPM_PROVIDER0 *old_provider, provider;
FWPM_CALLOUT0 ocallout4, icallout4;
FWPM_SUBLAYER0 sublayer;
FWPM_FILTER0 ofilter4, ifilter4;
HANDLE engine;
WIPF_PROV_DATA provider_data;
UINT32 filter_flags;
DWORD status;
if ((status = FwpmEngineOpen0(
NULL, RPC_C_AUTHN_WINNT, NULL, NULL, &engine)))
goto end;
if (!(status = FwpmProviderGetByKey0(
engine, (GUID *) &WIPF_GUID_PROVIDER, &old_provider))) {
PWIPF_PROV_DATA old_provider_data =
(PWIPF_PROV_DATA) old_provider->providerData.data;
if (old_provider_data) {
provider_data = *old_provider_data;
}
FwpmFreeMemory0(&old_provider);
if (old_provider_data) {
if (provider_data.persist) {
g_providerPersist = TRUE;
if (provider_data.version == WIPF_VERSION)
goto end_close;
persist = provider_data.persist;
boot = provider_data.boot;
}
wipf_prov_delete(engine);
}
}
provider_data.version = WIPF_VERSION;
provider_data.persist = persist;
provider_data.boot = boot;
filter_flags = boot ? 0 : FWPM_FILTER_FLAG_PERMIT_IF_CALLOUT_UNREGISTERED;
RtlZeroMemory(&provider, sizeof(FWPM_PROVIDER0));
provider.flags = persist ? FWPM_PROVIDER_FLAG_PERSISTENT : 0;
provider.providerKey = WIPF_GUID_PROVIDER;
provider.displayData.name = L"WipfProvider";
provider.displayData.description = L"Windows IP Filter Provider";
provider.serviceName = L"wipf";
provider.providerData.size = sizeof(WIPF_PROV_DATA);
provider.providerData.data = (UINT8 *) &provider_data;
RtlZeroMemory(&ocallout4, sizeof(FWPM_CALLOUT0));
ocallout4.calloutKey = WIPF_GUID_CALLOUT_CONNECT_V4;
ocallout4.displayData.name = L"WipfCalloutConnect4";
ocallout4.displayData.description = L"Windows IP Filter Callout Connect V4";
ocallout4.providerKey = (GUID *) &WIPF_GUID_PROVIDER;
ocallout4.applicableLayer = FWPM_LAYER_ALE_AUTH_CONNECT_V4;
RtlZeroMemory(&icallout4, sizeof(FWPM_CALLOUT0));
icallout4.calloutKey = WIPF_GUID_CALLOUT_ACCEPT_V4;
icallout4.displayData.name = L"WipfCalloutAccept4";
icallout4.displayData.description = L"Windows IP Filter Callout Accept V4";
icallout4.providerKey = (GUID *) &WIPF_GUID_PROVIDER;
icallout4.applicableLayer = FWPM_LAYER_ALE_AUTH_RECV_ACCEPT_V4;
RtlZeroMemory(&sublayer, sizeof(FWPM_SUBLAYER0));
sublayer.subLayerKey = WIPF_GUID_SUBLAYER;
sublayer.displayData.name = L"WipfSublayer";
sublayer.displayData.description = L"Windows IP Filter Sublayer";
sublayer.providerKey = (GUID *) &WIPF_GUID_PROVIDER;
RtlZeroMemory(&ofilter4, sizeof(FWPM_FILTER0));
ofilter4.flags = filter_flags;
ofilter4.filterKey = WIPF_GUID_FILTER_CONNECT_V4;
ofilter4.layerKey = FWPM_LAYER_ALE_AUTH_CONNECT_V4;
ofilter4.subLayerKey = WIPF_GUID_SUBLAYER;
ofilter4.displayData.name = L"WipfFilterConnect4";
ofilter4.displayData.description = L"Windows IP Filter Connect V4";
ofilter4.action.type = FWP_ACTION_CALLOUT_UNKNOWN;
ofilter4.action.calloutKey = WIPF_GUID_CALLOUT_CONNECT_V4;
RtlZeroMemory(&ifilter4, sizeof(FWPM_FILTER0));
ifilter4.flags = filter_flags;
ifilter4.filterKey = WIPF_GUID_FILTER_ACCEPT_V4;
ifilter4.layerKey = FWPM_LAYER_ALE_AUTH_RECV_ACCEPT_V4;
ifilter4.subLayerKey = WIPF_GUID_SUBLAYER;
ifilter4.displayData.name = L"WipfFilterAccept4";
ifilter4.displayData.description = L"Windows IP Filter Accept V4";
ifilter4.action.type = FWP_ACTION_CALLOUT_UNKNOWN;
ifilter4.action.calloutKey = WIPF_GUID_CALLOUT_ACCEPT_V4;
if ((status = FwpmTransactionBegin0(engine, 0))
|| (status = FwpmProviderAdd0(engine, &provider, NULL))
|| (status = FwpmCalloutAdd0(engine, &ocallout4, NULL, NULL))
|| (status = FwpmCalloutAdd0(engine, &icallout4, NULL, NULL))
|| (status = FwpmSubLayerAdd0(engine, &sublayer, NULL))
|| (status = FwpmFilterAdd0(engine, &ofilter4, NULL, NULL))
|| (status = FwpmFilterAdd0(engine, &ifilter4, NULL, NULL))
|| (status = FwpmTransactionCommit0(engine)))
FwpmTransactionAbort0(engine);
end_close:
FwpmEngineClose0(engine);
end:
return status;
}

32
test/log_read.lua
View File

@ -4,8 +4,35 @@ local sys = require"sys"
local sock = require"sys.sock"
local wipf = require"wipflua"
local util_conf = require"wipf.util.conf"
local util_fs = require"wipf.util.fs"
local mem, win32 = sys.mem, sys.win32
function set_conf(device)
local conf = util_conf.new_conf()
conf:set_ip_include_all(true)
conf:set_ip_exclude_all(false)
conf:set_app_log_blocked(true)
conf:set_app_block_all(true)
conf:set_app_allow_all(false)
conf:set_ip_exclude[[
10.0.0.0/24
127.0.0.0/24
169.254.0.0/16
172.16.0.0/20
192.168.0.0/16
]]
local buf = assert(mem.pointer():alloc())
assert(conf:write(buf))
return device:ioctl(wipf.ioctl_setconf(), buf)
end
function print_logs(buf)
local size = buf:seek()
@ -33,12 +60,11 @@ end
local device = assert(sys.handle():open(wipf.device_name(), "rw"))
assert(set_conf(device))
local BUFSIZ = wipf.buffer_size()
local buf = assert(sys.mem.pointer(BUFSIZ))
assert(buf:write("test config"))
assert(device:ioctl(wipf.ioctl_setconf(), buf))
while true do
assert(device:ioctl(wipf.ioctl_getlog(), nil, buf))
print_logs(buf)