endpoint server for the winreg pipe
- Copyright (C) Jelmer Vernooij 2004
+ Copyright (C) 2004 Jelmer Vernooij, jelmer@samba.org
+ Copyright (C) 2008 Matthias Dieter Wallnöfer, mwallnoefer@yahoo.de
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
#include "rpc_server/dcerpc_server.h"
#include "lib/registry/registry.h"
#include "librpc/gen_ndr/ndr_winreg.h"
-#include "rpc_server/common/common.h"
#include "librpc/gen_ndr/ndr_security.h"
-#include "param/param.h"
#include "libcli/security/security.h"
enum handle_types { HTYPE_REGVAL, HTYPE_REGKEY };
WERROR err;
err = reg_open_samba(dce_call->context,
- &ctx, dce_call->event_ctx, dce_call->conn->dce_ctx->lp_ctx, dce_call->conn->auth_state.session_info,
+ &ctx, dce_call->event_ctx, dce_call->conn->dce_ctx->lp_ctx,
+ dce_call->conn->auth_state.session_info,
NULL);
if (!W_ERROR_IS_OK(err)) {
return NT_STATUS_UNSUCCESSFUL;
}
- dce_call->context->private = ctx;
+ dce_call->context->private_data = ctx;
return NT_STATUS_OK;
}
TALLOC_CTX *mem_ctx, uint32_t hkey,
struct policy_handle **outh)
{
- struct registry_context *ctx = dce_call->context->private;
+ struct registry_context *ctx = dce_call->context->private_data;
struct dcesrv_handle *h;
- WERROR error;
+ WERROR result;
h = dcesrv_handle_new(dce_call->context, HTYPE_REGKEY);
- error = reg_get_predefined_key(ctx, hkey,
+ result = reg_get_predefined_key(ctx, hkey,
(struct registry_key **)&h->data);
- if (!W_ERROR_IS_OK(error)) {
- return error;
+ if (!W_ERROR_IS_OK(result)) {
+ return result;
}
-
*outh = &h->wire_handle;
- return error;
+ return result;
}
#define func_winreg_OpenHive(k,n) static WERROR dcesrv_winreg_Open ## k (struct dcesrv_call_state *dce_call, TALLOC_CTX *mem_ctx, struct winreg_Open ## k *r) \
DCESRV_PULL_HANDLE_FAULT(h, r->in.handle, HTYPE_REGKEY);
- talloc_free(h);
-
ZERO_STRUCTP(r->out.handle);
return WERR_OK;
struct winreg_CreateKey *r)
{
struct dcesrv_handle *h, *newh;
- WERROR error;
struct security_descriptor sd;
+ struct registry_key *key;
+ WERROR result;
DCESRV_PULL_HANDLE_FAULT(h, r->in.handle, HTYPE_REGKEY);
+ key = h->data;
newh = dcesrv_handle_new(dce_call->context, HTYPE_REGKEY);
}
}
- error = reg_key_add_name(newh, (struct registry_key *)h->data,
- r->in.name.name, NULL, r->in.secdesc?&sd:NULL,
- (struct registry_key **)&newh->data);
- if (W_ERROR_IS_OK(error)) {
+ result = reg_key_add_name(newh, key, r->in.name.name, NULL,
+ r->in.secdesc?&sd:NULL, (struct registry_key **)&newh->data);
+ if (W_ERROR_IS_OK(result)) {
r->out.new_handle = &newh->wire_handle;
} else {
talloc_free(newh);
}
- return error;
+ return result;
default:
return WERR_ACCESS_DENIED;
}
struct winreg_DeleteKey *r)
{
struct dcesrv_handle *h;
+ struct registry_key *key;
DCESRV_PULL_HANDLE_FAULT(h, r->in.handle, HTYPE_REGKEY);
+ key = h->data;
switch (security_session_user_level(dce_call->conn->auth_state.session_info))
{
case SECURITY_SYSTEM:
case SECURITY_ADMINISTRATOR:
- return reg_key_del((struct registry_key *)h->data, r->in.key.name);
+ return reg_key_del(key, r->in.key.name);
default:
return WERR_ACCESS_DENIED;
}
struct registry_key *key;
DCESRV_PULL_HANDLE_FAULT(h, r->in.handle, HTYPE_REGKEY);
+ key = h->data;
switch (security_session_user_level(dce_call->conn->auth_state.session_info))
{
case SECURITY_SYSTEM:
case SECURITY_ADMINISTRATOR:
- key = h->data;
-
return reg_del_value(key, r->in.value.name);
default:
return WERR_ACCESS_DENIED;
struct winreg_EnumKey *r)
{
struct dcesrv_handle *h;
- const char *name;
+ struct registry_key *key;
+ const char *name, *classname;
NTTIME last_mod;
+ WERROR result;
DCESRV_PULL_HANDLE_FAULT(h, r->in.handle, HTYPE_REGKEY);
+ key = h->data;
- r->out.result = reg_key_get_subkey_by_index(mem_ctx,
- (struct registry_key *)h->data,
- r->in.enum_index,
- &name, NULL, &last_mod);
+ result = reg_key_get_subkey_by_index(mem_ctx,
+ key, r->in.enum_index, &name, &classname, &last_mod);
- if (W_ERROR_IS_OK(r->out.result)) {
- if (2*strlen_m_term(name) > r->in.name->size) {
- return WERR_MORE_DATA;
- }
- r->out.name->length = 2*strlen_m_term(name);
+ if (2*strlen_m_term(name) > r->in.name->size) {
+ return WERR_MORE_DATA;
+ }
+
+ if (name != NULL) {
r->out.name->name = name;
- r->out.keyclass = talloc_zero(mem_ctx, struct winreg_StringBuf);
- if (r->in.last_changed_time) {
- r->out.last_changed_time = &last_mod;
- }
+ r->out.name->length = 2*strlen_m_term(name);
+ } else {
+ r->out.name->name = r->in.name->name;
+ r->out.name->length = r->in.name->length;
}
+ r->out.name->size = r->in.name->size;
+
+ r->out.keyclass = r->in.keyclass;
+ if (classname != NULL) {
+ r->out.keyclass->name = classname;
+ r->out.keyclass->length = 2*strlen_m_term(classname);
+ } else {
+ r->out.keyclass->name = r->in.keyclass->name;
+ r->out.keyclass->length = r->in.keyclass->length;
+ }
+ r->out.keyclass->size = r->in.keyclass->size;
- return r->out.result;
+ if (r->in.last_changed_time != NULL)
+ r->out.last_changed_time = &last_mod;
+
+ return result;
}
{
struct dcesrv_handle *h;
struct registry_key *key;
- WERROR result;
const char *data_name;
uint32_t data_type;
DATA_BLOB data;
+ WERROR result;
DCESRV_PULL_HANDLE_FAULT(h, r->in.handle, HTYPE_REGKEY);
-
key = h->data;
- result = reg_key_get_value_by_index(mem_ctx, key, r->in.enum_index,
- &data_name,
- &data_type, &data);
+ result = reg_key_get_value_by_index(mem_ctx, key,
+ r->in.enum_index, &data_name, &data_type, &data);
+
if (!W_ERROR_IS_OK(result)) {
- return result;
+ /* if the lookup wasn't successful, send client query back */
+ data_name = r->in.name->name;
+ data_type = *r->in.type;
+ data.data = r->in.value;
+ data.length = *r->in.length;
}
- /* the client can optionally pass a NULL for type, meaning they don't
- want that back */
- if (r->in.type != NULL) {
- r->out.type = talloc(mem_ctx, enum winreg_Type);
- *r->out.type = data_type;
+ /* check if there is enough room for the name */
+ if (r->in.name->size < 2*strlen_m_term(data_name)) {
+ return WERR_MORE_DATA;
+ }
+
+ /* "data_name" is NULL when we query the default attribute */
+ if (data_name != NULL) {
+ r->out.name->name = data_name;
+ r->out.name->length = 2*strlen_m_term(data_name);
+ } else {
+ r->out.name->name = r->in.name->name;
+ r->out.name->length = r->in.name->length;
}
+ r->out.name->size = r->in.name->size;
+
+ r->out.type = talloc(mem_ctx, uint32_t);
+ if (!r->out.type) {
+ return WERR_NOMEM;
+ }
+ *r->out.type = data_type;
/* check the client has enough room for the value */
if (r->in.value != NULL &&
return WERR_MORE_DATA;
}
- /* and enough room for the name */
- if (r->in.name->size < 2*strlen_m_term(data_name)) {
- return WERR_MORE_DATA;
- }
-
- r->out.name->name = data_name;
- r->out.name->length = 2*strlen_m_term(data_name);
- r->out.name->size = r->in.name->size;
-
- if (r->in.value) {
+ if (r->in.value != NULL) {
r->out.value = data.data;
}
- if (r->in.size) {
+ if (r->in.size != NULL) {
r->out.size = talloc(mem_ctx, uint32_t);
*r->out.size = data.length;
r->out.length = r->out.size;
}
- return WERR_OK;
+ return result;
}
struct winreg_FlushKey *r)
{
struct dcesrv_handle *h;
+ struct registry_key *key;
DCESRV_PULL_HANDLE_FAULT(h, r->in.handle, HTYPE_REGKEY);
+ key = h->data;
switch (security_session_user_level(dce_call->conn->auth_state.session_info))
{
case SECURITY_SYSTEM:
case SECURITY_ADMINISTRATOR:
- return reg_key_flush(h->data);
+ return reg_key_flush(key);
default:
return WERR_ACCESS_DENIED;
}
struct winreg_OpenKey *r)
{
struct dcesrv_handle *h, *newh;
+ struct registry_key *key;
WERROR result;
DCESRV_PULL_HANDLE_FAULT(h, r->in.parent_handle, HTYPE_REGKEY);
+ key = h->data;
switch (security_session_user_level(dce_call->conn->auth_state.session_info))
{
result = WERR_OK;
} else {
newh = dcesrv_handle_new(dce_call->context, HTYPE_REGKEY);
- result = reg_open_key(newh, (struct registry_key *)h->data,
- r->in.keyname.name,
- (struct registry_key **)&newh->data);
+ result = reg_open_key(newh, key, r->in.keyname.name,
+ (struct registry_key **)&newh->data);
}
if (W_ERROR_IS_OK(result)) {
default:
return WERR_ACCESS_DENIED;
}
-
}
struct winreg_QueryInfoKey *r)
{
struct dcesrv_handle *h;
- struct registry_key *k;
- WERROR ret;
+ struct registry_key *key;
const char *classname = NULL;
+ WERROR result;
DCESRV_PULL_HANDLE_FAULT(h, r->in.handle, HTYPE_REGKEY);
+ key = h->data;
switch (security_session_user_level(dce_call->conn->auth_state.session_info))
{
case SECURITY_SYSTEM:
case SECURITY_ADMINISTRATOR:
case SECURITY_USER:
- k = h->data;
-
- ret = reg_key_get_info(mem_ctx, k, &classname, r->out.num_subkeys,
- r->out.num_values, r->out.last_changed_time,
- r->out.max_subkeylen, r->out.max_valnamelen,
- r->out.max_valbufsize);
-
- if (r->out.classname != NULL)
+ result = reg_key_get_info(mem_ctx, key, &classname,
+ r->out.num_subkeys, r->out.num_values,
+ r->out.last_changed_time, r->out.max_subkeylen,
+ r->out.max_valnamelen, r->out.max_valbufsize);
+
+ if (classname != NULL) {
r->out.classname->name = classname;
-
- return ret;
+ r->out.classname->name_len = 2*strlen_m_term(classname);
+ } else {
+ r->out.classname->name = r->in.classname->name;
+ r->out.classname->name_len = r->in.classname->name_len;
+ }
+ r->out.classname->name_size = r->in.classname->name_size;
+
+ return result;
default:
return WERR_ACCESS_DENIED;
}
WERROR result;
DCESRV_PULL_HANDLE_FAULT(h, r->in.handle, HTYPE_REGKEY);
+ key = h->data;
switch (security_session_user_level(dce_call->conn->auth_state.session_info))
{
case SECURITY_SYSTEM:
case SECURITY_ADMINISTRATOR:
case SECURITY_USER:
- key = h->data;
-
- result = reg_key_get_value_by_name(mem_ctx, key, r->in.value_name.name,
- &value_type, &value_data);
+ result = reg_key_get_value_by_name(mem_ctx, key,
+ r->in.value_name->name, &value_type, &value_data);
if (!W_ERROR_IS_OK(result)) {
- return result;
+ /* if the lookup wasn't successful, send client query back */
+ value_type = *r->in.type;
+ value_data.data = r->in.data;
+ value_data.length = *r->in.data_length;
}
-
- /* Just asking for the size of the buffer */
+
r->out.type = talloc(mem_ctx, uint32_t);
if (!r->out.type) {
return WERR_NOMEM;
}
*r->out.type = value_type;
- r->out.length = talloc(mem_ctx, uint32_t);
- if (!r->out.length) {
+ r->out.data_length = talloc(mem_ctx, uint32_t);
+ if (!r->out.data_length) {
return WERR_NOMEM;
}
- *r->out.length = value_data.length;
- if (r->in.data == NULL) {
- r->out.size = talloc(mem_ctx, uint32_t);
- *r->out.size = value_data.length;
- } else {
- r->out.size = r->in.size;
- r->out.data = value_data.data;
+ *r->out.data_length = value_data.length;
+ r->out.data_size = talloc(mem_ctx, uint32_t);
+ if (!r->out.data_size) {
+ return WERR_NOMEM;
}
-
- return WERR_OK;
+ *r->out.data_size = value_data.length;
+ r->out.data = value_data.data;
+
+ return result;
default:
return WERR_ACCESS_DENIED;
}
{
struct dcesrv_handle *h;
struct registry_key *key;
- WERROR result;
DATA_BLOB data;
+ WERROR result;
DCESRV_PULL_HANDLE_FAULT(h, r->in.handle, HTYPE_REGKEY);
-
key = h->data;
switch (security_session_user_level(dce_call->conn->auth_state.session_info))
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