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/*
winreg rpc utility functions
Copyright Andrew Tridgell 2005
released under the GNU GPL v2 or later
*/
libinclude("base.js");
/*
close a handle
*/
function winreg_close(reg, handle)
{
var io = irpcObj();
io.input.handle = handle;
reg.winreg_CloseKey(io);
}
/*
open a hive
*/
function winreg_open_hive(reg, hive)
{
var io = irpcObj();
io.input.system_name = NULL;
io.input.access_required = reg.SEC_FLAG_MAXIMUM_ALLOWED;
var status;
if (hive == "HKLM") {
status = reg.winreg_OpenHKLM(io);
} else if (hive == "HKCR") {
status = reg.winreg_OpenHKCR(io);
} else if (hive == "HKPD") {
status = reg.winreg_OpenHKPD(io);
} else if (hive == "HKU") {
status = reg.winreg_OpenHKU(io);
} else {
println("Unknown hive " + hive);
return undefined;
}
if (!status.is_ok) {
return undefined;
}
return io.output.handle;
}
/*
open a handle to a path
*/
function winreg_open_path(reg, path)
{
var s = string_init();
var i, components = s.split('\\', path);
var list = new Object();
list.length = 0;
/* cope with a leading slash */
if (components[0] == '') {
for (i=0;i<(components.length-1);i++) {
components[i] = components[i+1];
}
components.length--;
}
if (components.length == 0) {
return undefined;
}
var handle = winreg_open_hive(reg, components[0]);
if (handle == undefined) {
return undefined;
}
if (components.length == 1) {
return handle;
}
var hpath = components[1];
for (i=2;i<components.length;i++) {
hpath = hpath + "\\" + components[i];
}
io = irpcObj();
io.input.handle = handle;
io.input.keyname = hpath;
io.input.unknown = 0;
io.input.access_mask = reg.SEC_FLAG_MAXIMUM_ALLOWED;
var status = reg.winreg_OpenKey(io);
winreg_close(reg, handle);
if (!status.is_ok) {
return undefined;
}
if (io.output.result != "WERR_OK") {
return undefined;
}
return io.output.handle;
}
/*
return a list of keys for a winreg server given a path
usage:
list = winreg_enum_path(reg, path);
*/
function winreg_enum_path(reg, path)
{
var list = new Object();
list.length = 0;
if (path == null || path == "\\" || path == "") {
return new Array("HKLM", "HKU");
}
var handle = winreg_open_path(reg, path);
if (handle == undefined) {
return undefined;
}
var io = irpcObj();
io.input.handle = handle;
io.input.name = new Object();
io.input.name.length = 0;
io.input.name.size = 32;
io.input.name.name = NULL;
io.input.class = new Object();
io.input.class.length = 0;
io.input.class.size = 1024;
io.input.class.name = NULL;
io.input.last_changed_time = 0;
var idx = 0;
for (idx=0;idx >= 0;idx++) {
io.input.enum_index = idx;
var status = reg.winreg_EnumKey(io);
if (!status.is_ok) {
winreg_close(reg, handle);
return list;
}
var out = io.output;
if (out.result == "WERR_MORE_DATA") {
io.input.name.size = io.input.name.size * 2;
idx--;
if (io.input.name.size > 32000) {
winreg_close(reg, handle);
return list;
}
continue;
}
if (out.result != "WERR_OK") {
winreg_close(reg, handle);
return list;
}
list[list.length] = out.name.name;
list.length++;
}
winreg_close(reg, handle);
return list;
}
/*
return a list of values for a winreg server given a path
usage:
list = winreg_enum_values(reg, path);
each returned list element is an object containing a name, a
type and a value
*/
function winreg_enum_values(reg, path)
{
var list = new Object();
list.length = 0;
var handle = winreg_open_path(reg, path);
if (handle == undefined) {
return undefined;
}
var io = irpcObj();
io.input.handle = handle;
io.input.name = new Object();
io.input.name.length = 0;
io.input.name.size = 128;
io.input.name.name = "";
io.input.type = 0;
io.input.value = new Array(0);
io.input.size = 1024;
io.input.length = 0;
var idx;
for (idx=0;idx >= 0;idx++) {
io.input.enum_index = idx;
var status = reg.winreg_EnumValue(io);
if (!status.is_ok) {
winreg_close(reg, handle);
return list;
}
var out = io.output;
if (out.result == "WERR_MORE_DATA") {
io.input.size = io.input.size * 2;
io.input.name.size = io.input.name.size * 2;
idx--;
/* limit blobs to 1M */
if (io.input.size > 1000000) {
winreg_close(reg, handle);
return list;
}
continue;
}
if (out.result != "WERR_OK") {
winreg_close(reg, handle);
return list;
}
var el = new Object();
el.name = out.name.name;
el.type = out.type;
el.value = out.value;
el.size = out.size;
list[list.length] = el;
list.length++;
}
winreg_close(reg, handle);
return list;
}
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