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/*
* Unix SMB/CIFS implementation.
* RPC Pipe client / server routines
*
* Copyright (C) Gerald Carter 2002-2006.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <http://www.gnu.org/licenses/>.
*/
/* Implementation of registry functions. */
#include "includes.h"
#include "ntdomain.h"
#include "../librpc/gen_ndr/srv_winreg.h"
#include "registry.h"
#include "registry/reg_api.h"
#include "registry/reg_api_regf.h"
#include "registry/reg_perfcount.h"
#include "rpc_misc.h"
#include "auth.h"
#include "lib/privileges.h"
#include "libcli/security/secdesc.h"
#undef DBGC_CLASS
#define DBGC_CLASS DBGC_RPC_SRV
/******************************************************************
Find a registry key handle and return a struct registry_key *
*****************************************************************/
static struct registry_key *find_regkey_by_hnd(struct pipes_struct *p,
struct policy_handle *hnd)
{
struct registry_key *regkey = NULL;
if(!find_policy_by_hnd(p,hnd,(void **)(void *)®key)) {
DEBUG(2,("find_regkey_index_by_hnd: Registry Key not found: "));
return NULL;
}
return regkey;
}
/*******************************************************************
Function for open a new registry handle and creating a handle
Note that P should be valid & hnd should already have space
When we open a key, we store the full path to the key as
HK[LM|U]\<key>\<key>\...
*******************************************************************/
static WERROR open_registry_key(struct pipes_struct *p,
struct policy_handle *hnd,
struct registry_key *parent,
const char *subkeyname,
uint32_t access_desired)
{
WERROR result = WERR_OK;
struct registry_key *key;
if (parent == NULL) {
result = reg_openhive(p->mem_ctx, subkeyname, access_desired,
p->session_info->security_token, &key);
}
else {
result = reg_openkey(p->mem_ctx, parent, subkeyname,
access_desired, &key);
}
if ( !W_ERROR_IS_OK(result) ) {
return result;
}
if ( !create_policy_hnd( p, hnd, key ) ) {
return WERR_BADFILE;
}
return WERR_OK;
}
/*******************************************************************
Function for open a new registry handle and creating a handle
Note that P should be valid & hnd should already have space
*******************************************************************/
static bool close_registry_key(struct pipes_struct *p,
struct policy_handle *hnd)
{
struct registry_key *regkey = find_regkey_by_hnd(p, hnd);
if ( !regkey ) {
DEBUG(2,("close_registry_key: Invalid handle (%s:%u:%u)\n",
OUR_HANDLE(hnd)));
return False;
}
close_policy_hnd(p, hnd);
return True;
}
/********************************************************************
_winreg_CloseKey
********************************************************************/
WERROR _winreg_CloseKey(struct pipes_struct *p,
struct winreg_CloseKey *r)
{
/* close the policy handle */
if (!close_registry_key(p, r->in.handle))
return WERR_BADFID;
ZERO_STRUCTP(r->out.handle);
return WERR_OK;
}
/*******************************************************************
_winreg_OpenHKLM
********************************************************************/
WERROR _winreg_OpenHKLM(struct pipes_struct *p,
struct winreg_OpenHKLM *r)
{
return open_registry_key(p, r->out.handle, NULL, KEY_HKLM, r->in.access_mask);
}
/*******************************************************************
_winreg_OpenHKPD
********************************************************************/
WERROR _winreg_OpenHKPD(struct pipes_struct *p,
struct winreg_OpenHKPD *r)
{
return open_registry_key(p, r->out.handle, NULL, KEY_HKPD, r->in.access_mask);
}
/*******************************************************************
_winreg_OpenHKPT
********************************************************************/
WERROR _winreg_OpenHKPT(struct pipes_struct *p,
struct winreg_OpenHKPT *r)
{
return open_registry_key(p, r->out.handle, NULL, KEY_HKPT, r->in.access_mask);
}
/*******************************************************************
_winreg_OpenHKCR
********************************************************************/
WERROR _winreg_OpenHKCR(struct pipes_struct *p,
struct winreg_OpenHKCR *r)
{
return open_registry_key(p, r->out.handle, NULL, KEY_HKCR, r->in.access_mask);
}
/*******************************************************************
_winreg_OpenHKU
********************************************************************/
WERROR _winreg_OpenHKU(struct pipes_struct *p,
struct winreg_OpenHKU *r)
{
return open_registry_key(p, r->out.handle, NULL, KEY_HKU, r->in.access_mask);
}
/*******************************************************************
_winreg_OpenHKCU
********************************************************************/
WERROR _winreg_OpenHKCU(struct pipes_struct *p,
struct winreg_OpenHKCU *r)
{
return open_registry_key(p, r->out.handle, NULL, KEY_HKCU, r->in.access_mask);
}
/*******************************************************************
_winreg_OpenHKCC
********************************************************************/
WERROR _winreg_OpenHKCC(struct pipes_struct *p,
struct winreg_OpenHKCC *r)
{
return open_registry_key(p, r->out.handle, NULL, KEY_HKCC, r->in.access_mask);
}
/*******************************************************************
_winreg_OpenHKDD
********************************************************************/
WERROR _winreg_OpenHKDD(struct pipes_struct *p,
struct winreg_OpenHKDD *r)
{
return open_registry_key(p, r->out.handle, NULL, KEY_HKDD, r->in.access_mask);
}
/*******************************************************************
_winreg_OpenHKPN
********************************************************************/
WERROR _winreg_OpenHKPN(struct pipes_struct *p,
struct winreg_OpenHKPN *r)
{
return open_registry_key(p, r->out.handle, NULL, KEY_HKPN, r->in.access_mask);
}
/*******************************************************************
_winreg_OpenKey
********************************************************************/
WERROR _winreg_OpenKey(struct pipes_struct *p,
struct winreg_OpenKey *r)
{
struct registry_key *parent = find_regkey_by_hnd(p, r->in.parent_handle );
if ( !parent )
return WERR_BADFID;
return open_registry_key(p, r->out.handle, parent, r->in.keyname.name, r->in.access_mask);
}
/*******************************************************************
_winreg_QueryValue
********************************************************************/
WERROR _winreg_QueryValue(struct pipes_struct *p,
struct winreg_QueryValue *r)
{
WERROR status = WERR_BADFILE;
struct registry_key *regkey = find_regkey_by_hnd( p, r->in.handle );
prs_struct prs_hkpd;
uint8_t *outbuf = NULL;
uint32_t outbuf_size = 0;
bool free_buf = False;
bool free_prs = False;
if ( !regkey )
return WERR_BADFID;
if (r->in.value_name->name == NULL) {
return WERR_INVALID_PARAM;
}
if ((r->out.data_length == NULL) || (r->out.type == NULL) || (r->out.data_size == NULL)) {
return WERR_INVALID_PARAM;
}
DEBUG(7,("_winreg_QueryValue: policy key name = [%s]\n", regkey->key->name));
DEBUG(7,("_winreg_QueryValue: policy key type = [%08x]\n", regkey->key->type));
/* Handle QueryValue calls on HKEY_PERFORMANCE_DATA */
if(regkey->key->type == REG_KEY_HKPD)
{
if (strequal(r->in.value_name->name, "Global")) {
if (!prs_init(&prs_hkpd, *r->in.data_size, p->mem_ctx, MARSHALL))
return WERR_NOMEM;
status = reg_perfcount_get_hkpd(
&prs_hkpd, *r->in.data_size, &outbuf_size, NULL);
outbuf = (uint8_t *)prs_hkpd.data_p;
free_prs = True;
}
else if (strequal(r->in.value_name->name, "Counter 009")) {
outbuf_size = reg_perfcount_get_counter_names(
reg_perfcount_get_base_index(),
(char **)(void *)&outbuf);
free_buf = True;
}
else if (strequal(r->in.value_name->name, "Explain 009")) {
outbuf_size = reg_perfcount_get_counter_help(
reg_perfcount_get_base_index(),
(char **)(void *)&outbuf);
free_buf = True;
}
else if (isdigit(r->in.value_name->name[0])) {
/* we probably have a request for a specific object
* here */
if (!prs_init(&prs_hkpd, *r->in.data_size, p->mem_ctx, MARSHALL))
return WERR_NOMEM;
status = reg_perfcount_get_hkpd(
&prs_hkpd, *r->in.data_size, &outbuf_size,
r->in.value_name->name);
outbuf = (uint8_t *)prs_hkpd.data_p;
free_prs = True;
}
else {
DEBUG(3,("Unsupported key name [%s] for HKPD.\n",
r->in.value_name->name));
return WERR_BADFILE;
}
*r->out.type = REG_BINARY;
}
else {
struct registry_value *val;
status = reg_queryvalue(p->mem_ctx, regkey, r->in.value_name->name,
&val);
if (!W_ERROR_IS_OK(status)) {
DEBUG(10,("_winreg_QueryValue: reg_queryvalue failed with: %s\n",
win_errstr(status)));
if (r->out.data_size) {
*r->out.data_size = 0;
}
if (r->out.data_length) {
*r->out.data_length = 0;
}
return status;
}
outbuf = val->data.data;
outbuf_size = val->data.length;
*r->out.type = val->type;
}
status = WERR_BADFILE;
if (*r->in.data_size < outbuf_size) {
*r->out.data_size = outbuf_size;
status = r->in.data ? WERR_MORE_DATA : WERR_OK;
} else {
*r->out.data_length = outbuf_size;
*r->out.data_size = outbuf_size;
if (r->out.data) {
memcpy(r->out.data, outbuf, outbuf_size);
}
status = WERR_OK;
}
if (free_prs) prs_mem_free(&prs_hkpd);
if (free_buf) SAFE_FREE(outbuf);
return status;
}
/*****************************************************************************
_winreg_QueryInfoKey
****************************************************************************/
WERROR _winreg_QueryInfoKey(struct pipes_struct *p,
struct winreg_QueryInfoKey *r)
{
WERROR status = WERR_OK;
struct registry_key *regkey = find_regkey_by_hnd( p, r->in.handle );
if ( !regkey )
return WERR_BADFID;
r->out.classname->name = NULL;
status = reg_queryinfokey(regkey, r->out.num_subkeys, r->out.max_subkeylen,
r->out.max_classlen, r->out.num_values, r->out.max_valnamelen,
r->out.max_valbufsize, r->out.secdescsize,
r->out.last_changed_time);
if (!W_ERROR_IS_OK(status)) {
return status;
}
/*
* These calculations account for the registry buffers being
* UTF-16. They are inexact at best, but so far they worked.
*/
*r->out.max_subkeylen *= 2;
*r->out.max_valnamelen += 1;
*r->out.max_valnamelen *= 2;
return WERR_OK;
}
/*****************************************************************************
_winreg_GetVersion
****************************************************************************/
WERROR _winreg_GetVersion(struct pipes_struct *p,
struct winreg_GetVersion *r)
{
struct registry_key *regkey = find_regkey_by_hnd( p, r->in.handle );
if ( !regkey )
return WERR_BADFID;
return reg_getversion(r->out.version);
}
/*****************************************************************************
_winreg_EnumKey
****************************************************************************/
WERROR _winreg_EnumKey(struct pipes_struct *p,
struct winreg_EnumKey *r)
{
WERROR err = WERR_OK;
struct registry_key *key = find_regkey_by_hnd( p, r->in.handle );
char *name;
if ( !key )
return WERR_BADFID;
if ( !r->in.name || !r->in.keyclass )
return WERR_INVALID_PARAM;
DEBUG(8,("_winreg_EnumKey: enumerating key [%s]\n", key->key->name));
err = reg_enumkey(p->mem_ctx, key, r->in.enum_index, &name,
r->out.last_changed_time);
if (!W_ERROR_IS_OK(err)) {
return err;
}
r->out.name->name = name;
r->out.keyclass->name = "";
return WERR_OK;
}
/*****************************************************************************
_winreg_EnumValue
****************************************************************************/
WERROR _winreg_EnumValue(struct pipes_struct *p,
struct winreg_EnumValue *r)
{
WERROR err = WERR_OK;
struct registry_key *key = find_regkey_by_hnd( p, r->in.handle );
char *valname = NULL;
struct registry_value *val = NULL;
if ( !key )
return WERR_BADFID;
if ( !r->in.name )
return WERR_INVALID_PARAM;
DEBUG(8,("_winreg_EnumValue: enumerating values for key [%s]\n",
key->key->name));
err = reg_enumvalue(p->mem_ctx, key, r->in.enum_index, &valname, &val);
if (!W_ERROR_IS_OK(err)) {
return err;
}
if (r->out.name != NULL) {
r->out.name->name = valname;
}
if (r->out.type != NULL) {
*r->out.type = val->type;
}
if (r->out.value != NULL) {
if ((r->out.size == NULL) || (r->out.length == NULL)) {
return WERR_INVALID_PARAM;
}
if (val->data.length > *r->out.size) {
return WERR_MORE_DATA;
}
memcpy( r->out.value, val->data.data, val->data.length );
}
if (r->out.length != NULL) {
*r->out.length = val->data.length;
}
if (r->out.size != NULL) {
*r->out.size = val->data.length;
}
return WERR_OK;
}
/*******************************************************************
_winreg_InitiateSystemShutdown
********************************************************************/
WERROR _winreg_InitiateSystemShutdown(struct pipes_struct *p,
struct winreg_InitiateSystemShutdown *r)
{
struct winreg_InitiateSystemShutdownEx s;
s.in.hostname = r->in.hostname;
s.in.message = r->in.message;
s.in.timeout = r->in.timeout;
s.in.force_apps = r->in.force_apps;
s.in.do_reboot = r->in.do_reboot;
s.in.reason = 0;
/* thunk down to _winreg_InitiateSystemShutdownEx()
(just returns a status) */
return _winreg_InitiateSystemShutdownEx( p, &s );
}
/*******************************************************************
_winreg_InitiateSystemShutdownEx
********************************************************************/
#define SHUTDOWN_R_STRING "-r"
#define SHUTDOWN_F_STRING "-f"
WERROR _winreg_InitiateSystemShutdownEx(struct pipes_struct *p,
struct winreg_InitiateSystemShutdownEx *r)
{
char *shutdown_script = NULL;
char *msg = NULL;
char *chkmsg = NULL;
fstring str_timeout;
fstring str_reason;
fstring do_reboot;
fstring f;
int ret = -1;
bool can_shutdown = false;
shutdown_script = lp_shutdown_script(p->mem_ctx);
if (!shutdown_script) {
return WERR_NOMEM;
}
if (!*shutdown_script) {
return WERR_ACCESS_DENIED;
}
/* pull the message string and perform necessary sanity checks on it */
if ( r->in.message && r->in.message->string ) {
if ( (msg = talloc_strdup(p->mem_ctx, r->in.message->string )) == NULL ) {
return WERR_NOMEM;
}
chkmsg = talloc_array(p->mem_ctx, char, strlen(msg)+1);
if (!chkmsg) {
return WERR_NOMEM;
}
alpha_strcpy(chkmsg, msg, NULL, strlen(msg)+1);
}
fstr_sprintf(str_timeout, "%d", r->in.timeout);
fstr_sprintf(do_reboot, r->in.do_reboot ? SHUTDOWN_R_STRING : "");
fstr_sprintf(f, r->in.force_apps ? SHUTDOWN_F_STRING : "");
fstr_sprintf(str_reason, "%d", r->in.reason );
shutdown_script = talloc_all_string_sub(p->mem_ctx,
shutdown_script, "%z", chkmsg ? chkmsg : "");
if (!shutdown_script) {
return WERR_NOMEM;
}
shutdown_script = talloc_all_string_sub(p->mem_ctx,
shutdown_script, "%t", str_timeout);
if (!shutdown_script) {
return WERR_NOMEM;
}
shutdown_script = talloc_all_string_sub(p->mem_ctx,
shutdown_script, "%r", do_reboot);
if (!shutdown_script) {
return WERR_NOMEM;
}
shutdown_script = talloc_all_string_sub(p->mem_ctx,
shutdown_script, "%f", f);
if (!shutdown_script) {
return WERR_NOMEM;
}
shutdown_script = talloc_all_string_sub(p->mem_ctx,
shutdown_script, "%x", str_reason);
if (!shutdown_script) {
return WERR_NOMEM;
}
can_shutdown = security_token_has_privilege(p->session_info->security_token, SEC_PRIV_REMOTE_SHUTDOWN);
/* IF someone has privs, run the shutdown script as root. OTHERWISE run it as not root
Take the error return from the script and provide it as the Windows return code. */
/********** BEGIN SeRemoteShutdownPrivilege BLOCK **********/
if ( can_shutdown )
become_root();
ret = smbrun( shutdown_script, NULL );
if ( can_shutdown )
unbecome_root();
/********** END SeRemoteShutdownPrivilege BLOCK **********/
DEBUG(3,("_reg_shutdown_ex: Running the command `%s' gave %d\n",
shutdown_script, ret));
return (ret == 0) ? WERR_OK : WERR_ACCESS_DENIED;
}
/*******************************************************************
_winreg_AbortSystemShutdown
********************************************************************/
WERROR _winreg_AbortSystemShutdown(struct pipes_struct *p,
struct winreg_AbortSystemShutdown *r)
{
const char *abort_shutdown_script = lp_abort_shutdown_script(talloc_tos());
int ret = -1;
bool can_shutdown = false;
if (!*abort_shutdown_script)
return WERR_ACCESS_DENIED;
can_shutdown = security_token_has_privilege(p->session_info->security_token, SEC_PRIV_REMOTE_SHUTDOWN);
/********** BEGIN SeRemoteShutdownPrivilege BLOCK **********/
if ( can_shutdown )
become_root();
ret = smbrun( abort_shutdown_script, NULL );
if ( can_shutdown )
unbecome_root();
/********** END SeRemoteShutdownPrivilege BLOCK **********/
DEBUG(3,("_winreg_AbortSystemShutdown: Running the command `%s' gave %d\n",
abort_shutdown_script, ret));
return (ret == 0) ? WERR_OK : WERR_ACCESS_DENIED;
}
/*******************************************************************
_winreg_RestoreKey
********************************************************************/
WERROR _winreg_RestoreKey(struct pipes_struct *p,
struct winreg_RestoreKey *r)
{
struct registry_key *regkey = find_regkey_by_hnd( p, r->in.handle );
if ( !regkey ) {
return WERR_INVALID_HANDLE;
}
return WERR_BAD_PATHNAME;
}
/*******************************************************************
_winreg_SaveKey
********************************************************************/
WERROR _winreg_SaveKey(struct pipes_struct *p,
struct winreg_SaveKey *r)
{
struct registry_key *regkey = find_regkey_by_hnd( p, r->in.handle );
if ( !regkey ) {
return WERR_INVALID_HANDLE;
}
return WERR_BAD_PATHNAME;
}
/*******************************************************************
_winreg_SaveKeyEx
********************************************************************/
WERROR _winreg_SaveKeyEx(struct pipes_struct *p,
struct winreg_SaveKeyEx *r)
{
/* fill in your code here if you think this call should
do anything */
p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
return WERR_NOT_SUPPORTED;
}
/*******************************************************************
_winreg_CreateKey
********************************************************************/
WERROR _winreg_CreateKey(struct pipes_struct *p,
struct winreg_CreateKey *r)
{
struct registry_key *parent = find_regkey_by_hnd(p, r->in.handle);
struct registry_key *new_key = NULL;
WERROR result = WERR_OK;
if ( !parent )
return WERR_BADFID;
DEBUG(10, ("_winreg_CreateKey called with parent key '%s' and "
"subkey name '%s'\n", parent->key->name, r->in.name.name));
result = reg_createkey(NULL, parent, r->in.name.name, r->in.access_mask,
&new_key, r->out.action_taken);
if (!W_ERROR_IS_OK(result)) {
return result;
}
if (!create_policy_hnd(p, r->out.new_handle, new_key)) {
TALLOC_FREE(new_key);
return WERR_BADFILE;
}
return WERR_OK;
}
/*******************************************************************
_winreg_SetValue
********************************************************************/
WERROR _winreg_SetValue(struct pipes_struct *p,
struct winreg_SetValue *r)
{
struct registry_key *key = find_regkey_by_hnd(p, r->in.handle);
struct registry_value *val = NULL;
if ( !key )
return WERR_BADFID;
DEBUG(8,("_winreg_SetValue: Setting value for [%s:%s]\n",
key->key->name, r->in.name.name));
val = talloc_zero(p->mem_ctx, struct registry_value);
if (val == NULL) {
return WERR_NOMEM;
}
val->type = r->in.type;
val->data = data_blob_talloc(p->mem_ctx, r->in.data, r->in.size);
return reg_setvalue(key, r->in.name.name, val);
}
/*******************************************************************
_winreg_DeleteKey
********************************************************************/
WERROR _winreg_DeleteKey(struct pipes_struct *p,
struct winreg_DeleteKey *r)
{
struct registry_key *parent = find_regkey_by_hnd(p, r->in.handle);
if ( !parent )
return WERR_BADFID;
return reg_deletekey(parent, r->in.key.name);
}
/*******************************************************************
_winreg_DeleteValue
********************************************************************/
WERROR _winreg_DeleteValue(struct pipes_struct *p,
struct winreg_DeleteValue *r)
{
struct registry_key *key = find_regkey_by_hnd(p, r->in.handle);
if ( !key )
return WERR_BADFID;
return reg_deletevalue(key, r->in.value.name);
}
/*******************************************************************
_winreg_GetKeySecurity
********************************************************************/
WERROR _winreg_GetKeySecurity(struct pipes_struct *p,
struct winreg_GetKeySecurity *r)
{
struct registry_key *key = find_regkey_by_hnd(p, r->in.handle);
WERROR err = WERR_OK;
struct security_descriptor *secdesc = NULL;
uint8_t *data = NULL;
size_t len = 0;
if ( !key )
return WERR_BADFID;
/* access checks first */
if ( !(key->key->access_granted & SEC_STD_READ_CONTROL) )
return WERR_ACCESS_DENIED;
err = reg_getkeysecurity(p->mem_ctx, key, &secdesc);
if (!W_ERROR_IS_OK(err)) {
return err;
}
err = ntstatus_to_werror(marshall_sec_desc(p->mem_ctx, secdesc,
&data, &len));
if (!W_ERROR_IS_OK(err)) {
return err;
}
if (len > r->out.sd->size) {
r->out.sd->size = len;
return WERR_INSUFFICIENT_BUFFER;
}
r->out.sd->size = len;
r->out.sd->len = len;
r->out.sd->data = data;
return WERR_OK;
}
/*******************************************************************
_winreg_SetKeySecurity
********************************************************************/
WERROR _winreg_SetKeySecurity(struct pipes_struct *p,
struct winreg_SetKeySecurity *r)
{
struct registry_key *key = find_regkey_by_hnd(p, r->in.handle);
struct security_descriptor *secdesc = NULL;
WERROR err = WERR_OK;
if ( !key )
return WERR_BADFID;
/* access checks first */
if ( !(key->key->access_granted & SEC_STD_WRITE_DAC) )
return WERR_ACCESS_DENIED;
err = ntstatus_to_werror(unmarshall_sec_desc(p->mem_ctx, r->in.sd->data,
r->in.sd->len, &secdesc));
if (!W_ERROR_IS_OK(err)) {
return err;
}
return reg_setkeysecurity(key, secdesc);
}
/*******************************************************************
_winreg_FlushKey
********************************************************************/
WERROR _winreg_FlushKey(struct pipes_struct *p,
struct winreg_FlushKey *r)
{
/* I'm just replying OK because there's not a lot
here I see to do i --jerry */
return WERR_OK;
}
/*******************************************************************
_winreg_UnLoadKey
********************************************************************/
WERROR _winreg_UnLoadKey(struct pipes_struct *p,
struct winreg_UnLoadKey *r)
{
/* fill in your code here if you think this call should
do anything */
p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
return WERR_NOT_SUPPORTED;
}
/*******************************************************************
_winreg_ReplaceKey
********************************************************************/
WERROR _winreg_ReplaceKey(struct pipes_struct *p,
struct winreg_ReplaceKey *r)
{
/* fill in your code here if you think this call should
do anything */
p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
return WERR_NOT_SUPPORTED;
}
/*******************************************************************
_winreg_LoadKey
********************************************************************/
WERROR _winreg_LoadKey(struct pipes_struct *p,
struct winreg_LoadKey *r)
{
/* fill in your code here if you think this call should
do anything */
p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
return WERR_NOT_SUPPORTED;
}
/*******************************************************************
_winreg_NotifyChangeKeyValue
********************************************************************/
WERROR _winreg_NotifyChangeKeyValue(struct pipes_struct *p,
struct winreg_NotifyChangeKeyValue *r)
{
return WERR_NOT_SUPPORTED;
}
/*******************************************************************
_winreg_QueryMultipleValues
********************************************************************/
WERROR _winreg_QueryMultipleValues(struct pipes_struct *p,
struct winreg_QueryMultipleValues *r)
{
struct winreg_QueryMultipleValues2 r2;
uint32_t needed = 0;
r2.in.key_handle = r->in.key_handle;
r2.in.values_in = r->in.values_in;
r2.in.num_values = r->in.num_values;
r2.in.offered = r->in.buffer_size;
r2.in.buffer = r->in.buffer;
r2.out.values_out = r->out.values_out;
r2.out.needed = &needed;
r2.out.buffer = r->out.buffer;
return _winreg_QueryMultipleValues2(p, &r2);
}
/*******************************************************************
********************************************************************/
static WERROR construct_multiple_entry(TALLOC_CTX *mem_ctx,
const char *valuename,
uint32_t value_length,
uint32_t offset,
enum winreg_Type type,
struct QueryMultipleValue *r)
{
r->ve_valuename = talloc_zero(mem_ctx, struct winreg_ValNameBuf);
if (r->ve_valuename == NULL) {
return WERR_NOMEM;
}
r->ve_valuename->name = talloc_strdup(r->ve_valuename, valuename ? valuename : "");
if (r->ve_valuename->name == NULL) {
return WERR_NOMEM;
}
r->ve_valuename->size = strlen_m_term(r->ve_valuename->name)*2;
r->ve_valuelen = value_length;
r->ve_valueptr = offset;
r->ve_type = type;
return WERR_OK;
}
/*******************************************************************
_winreg_QueryMultipleValues2
********************************************************************/
WERROR _winreg_QueryMultipleValues2(struct pipes_struct *p,
struct winreg_QueryMultipleValues2 *r)
{
struct registry_key *regkey = find_regkey_by_hnd(p, r->in.key_handle);
struct registry_value *vals = NULL;
const char **names = NULL;
uint32_t offset = 0, num_vals = 0;
DATA_BLOB result = data_blob_null;
int i = 0;
WERROR err = WERR_OK;
if (!regkey) {
return WERR_BADFID;
}
names = talloc_zero_array(p->mem_ctx, const char *, r->in.num_values);
if (names == NULL) {
return WERR_NOMEM;
}
for (i=0; i < r->in.num_values; i++) {
if (r->in.values_in[i].ve_valuename &&
r->in.values_in[i].ve_valuename->name) {
names[i] = talloc_strdup(names,
r->in.values_in[i].ve_valuename->name);
if (names[i] == NULL) {
return WERR_NOMEM;
}
}
}
err = reg_querymultiplevalues(p->mem_ctx, regkey,
r->in.num_values, names,
&num_vals, &vals);
if (!W_ERROR_IS_OK(err)) {
return err;
}
result = data_blob_talloc(p->mem_ctx, NULL, 0);
for (i=0; i < r->in.num_values; i++) {
const char *valuename = NULL;
if (vals[i].data.length > 0) {
if (!data_blob_append(p->mem_ctx, &result,
vals[i].data.data,
vals[i].data.length)) {
return WERR_NOMEM;
}
}
if (r->in.values_in[i].ve_valuename &&
r->in.values_in[i].ve_valuename->name) {
valuename = r->in.values_in[i].ve_valuename->name;
}
err = construct_multiple_entry(r->out.values_out,
valuename,
vals[i].data.length,
offset,
vals[i].type,
&r->out.values_out[i]);
if (!W_ERROR_IS_OK(err)) {
return err;
}
offset += vals[i].data.length;
}
*r->out.needed = result.length;
if (r->in.num_values != num_vals) {
return WERR_BADFILE;
}
if (*r->in.offered >= *r->out.needed) {
if (r->out.buffer) {
memcpy(r->out.buffer, result.data, MIN(result.length, *r->in.offered));
}
return WERR_OK;
} else {
return WERR_MORE_DATA;
}
}
/*******************************************************************
_winreg_DeleteKeyEx
********************************************************************/
WERROR _winreg_DeleteKeyEx(struct pipes_struct *p,
struct winreg_DeleteKeyEx *r)
{
/* fill in your code here if you think this call should
do anything */
p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
return WERR_NOT_SUPPORTED;
}
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