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/*
Unix SMB/CIFS implementation.
Transparent registry backend handling
Copyright (C) Jelmer Vernooij 2003-2004.
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 2 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, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "includes.h"
#include "registry.h"
#include "librpc/gen_ndr/winreg.h"
static const struct {
uint32_t id;
const char *name;
} reg_value_types[] = {
{ REG_SZ, "REG_SZ" },
{ REG_DWORD, "REG_DWORD" },
{ REG_BINARY, "REG_BINARY" },
{ REG_EXPAND_SZ, "REG_EXPAND_SZ" },
{ REG_NONE, "REG_NONE" },
{ 0, NULL }
};
/* Return string description of registry value type */
const char *str_regtype(int type)
{
int i;
for (i = 0; reg_value_types[i].name; i++) {
if (reg_value_types[i].id == type)
return reg_value_types[i].name;
}
return "Unknown";
}
char *reg_val_data_string(TALLOC_CTX *mem_ctx, struct registry_value *v)
{
char *ret = NULL;
if(v->data.length == 0) return talloc_strdup(mem_ctx, "");
switch (v->data_type) {
case REG_EXPAND_SZ:
case REG_SZ:
convert_string_talloc(mem_ctx, CH_UTF16, CH_UNIX, v->data.data, v->data.length, (void **)&ret);
return ret;
case REG_BINARY:
ret = data_blob_hex_string(mem_ctx, &v->data);
return ret;
case REG_DWORD:
if (*(int *)v->data.data == 0)
return talloc_strdup(mem_ctx, "0");
return talloc_asprintf(mem_ctx, "0x%x", *(int *)v->data.data);
case REG_MULTI_SZ:
/* FIXME */
break;
default:
break;
}
return ret;
}
char *reg_val_description(TALLOC_CTX *mem_ctx, struct registry_value *val)
{
return talloc_asprintf(mem_ctx, "%s = %s : %s", val->name?val->name:"<No Name>", str_regtype(val->data_type), reg_val_data_string(mem_ctx, val));
}
BOOL reg_string_to_val(TALLOC_CTX *mem_ctx, const char *type_str, const char *data_str, struct registry_value **value)
{
int i;
*value = talloc(mem_ctx, struct registry_value);
(*value)->data_type = -1;
/* Find the correct type */
for (i = 0; reg_value_types[i].name; i++) {
if (!strcmp(reg_value_types[i].name, type_str)) {
(*value)->data_type = reg_value_types[i].id;
break;
}
}
if ((*value)->data_type == -1)
return False;
/* Convert data appropriately */
switch ((*value)->data_type)
{
case REG_SZ:
case REG_EXPAND_SZ:
(*value)->data.length = convert_string_talloc(mem_ctx, CH_UNIX, CH_UTF16, data_str, strlen(data_str), (void **)&(*value)->data.data);
break;
case REG_DWORD: {
uint32_t tmp = strtol(data_str, NULL, 0);
(*value)->data = data_blob_talloc(mem_ctx, &tmp, 4);
}
break;
case REG_NONE:
ZERO_STRUCT((*value)->data);
break;
default:
case REG_BINARY: /* FIXME */
return False;
}
return True;
}
/**
* Replace all \'s with /'s
*/
char *reg_path_win2unix(char *path)
{
int i;
for(i = 0; path[i]; i++) {
if(path[i] == '\\') path[i] = '/';
}
return path;
}
/**
* Replace all /'s with \'s
*/
char *reg_path_unix2win(char *path)
{
int i;
for(i = 0; path[i]; i++) {
if(path[i] == '/') path[i] = '\\';
}
return path;
}
/* Open a key by name (including the predefined key name!) */
WERROR reg_open_key_abs(TALLOC_CTX *mem_ctx, struct registry_context *handle, const char *name, struct registry_key **result)
{
struct registry_key *predef;
WERROR error;
int predeflength;
char *predefname;
if(strchr(name, '\\')) predeflength = strchr(name, '\\')-name;
else predeflength = strlen(name);
predefname = strndup(name, predeflength);
error = reg_get_predefined_key_by_name(handle, predefname, &predef);
SAFE_FREE(predefname);
if(!W_ERROR_IS_OK(error)) {
return error;
}
if (strchr(name, '\\')) {
return reg_open_key(mem_ctx, predef, strchr(name, '\\')+1, result);
} else {
*result = predef;
return WERR_OK;
}
}
static WERROR get_abs_parent(TALLOC_CTX *mem_ctx, struct registry_context *ctx, const char *path, struct registry_key **parent, const char **name)
{
char *parent_name;
WERROR error;
if (strchr(path, '\\') == NULL) {
return WERR_FOOBAR;
}
parent_name = talloc_strndup(mem_ctx, path, strrchr(path, '\\')-1-path);
error = reg_open_key_abs(mem_ctx, ctx, parent_name, parent);
if (!W_ERROR_IS_OK(error)) {
return error;
}
*name = talloc_strdup(mem_ctx, strchr(path, '\\')+1);
return WERR_OK;
}
WERROR reg_key_del_abs(struct registry_context *ctx, const char *path)
{
struct registry_key *parent;
const char *n;
TALLOC_CTX *mem_ctx = talloc_init("reg_key_del_abs");
WERROR error;
if (!strchr(path, '\\')) {
return WERR_FOOBAR;
}
error = get_abs_parent(mem_ctx, ctx, path, &parent, &n);
if (W_ERROR_IS_OK(error)) {
error = reg_key_del(parent, n);
}
talloc_free(mem_ctx);
return error;
}
WERROR reg_key_add_abs(TALLOC_CTX *mem_ctx, struct registry_context *ctx, const char *path, uint32_t access_mask, struct security_descriptor *sec_desc, struct registry_key **result)
{
struct registry_key *parent;
const char *n;
WERROR error;
if (!strchr(path, '\\')) {
return WERR_FOOBAR;
}
error = get_abs_parent(mem_ctx, ctx, path, &parent, &n);
if (W_ERROR_IS_OK(error)) {
error = reg_key_add_name(mem_ctx, parent, n, access_mask, sec_desc, result);
}
return error;
}
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