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/*
* Unix SMB/CIFS implementation.
* Registry helper routines
* Copyright (C) Volker Lendecke 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 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"
const char *reg_type_lookup(enum winreg_Type type)
{
const char *result;
switch(type) {
case REG_NONE:
result = "REG_NONE";
break;
case REG_SZ:
result = "REG_SZ";
break;
case REG_EXPAND_SZ:
result = "REG_EXPAND_SZ";
break;
case REG_BINARY:
result = "REG_BINARY";
break;
case REG_DWORD:
result = "REG_DWORD";
break;
case REG_DWORD_BIG_ENDIAN:
result = "REG_DWORD_BIG_ENDIAN";
break;
case REG_LINK:
result = "REG_LINK";
break;
case REG_MULTI_SZ:
result = "REG_MULTI_SZ";
break;
case REG_RESOURCE_LIST:
result = "REG_RESOURCE_LIST";
break;
case REG_FULL_RESOURCE_DESCRIPTOR:
result = "REG_FULL_RESOURCE_DESCRIPTOR";
break;
case REG_RESOURCE_REQUIREMENTS_LIST:
result = "REG_RESOURCE_REQUIREMENTS_LIST";
break;
case REG_QWORD:
result = "REG_QWORD";
break;
default:
result = "REG TYPE IS UNKNOWN";
break;
}
return result;
}
WERROR reg_pull_multi_sz(TALLOC_CTX *mem_ctx, const void *buf, size_t len,
uint32 *num_values, char ***values)
{
const smb_ucs2_t *p = (const smb_ucs2_t *)buf;
*num_values = 0;
/*
* Make sure that a talloc context for the strings retrieved exists
*/
if (!(*values = TALLOC_ARRAY(mem_ctx, char *, 1))) {
return WERR_NOMEM;
}
len /= 2; /* buf is a set of UCS2 strings */
while (len > 0) {
char *val;
size_t dstlen, thislen;
thislen = strnlen_w(p, len) + 1;
dstlen = convert_string_allocate(*values, CH_UTF16LE, CH_UNIX,
p, thislen*2, (void *)&val,
True);
if (dstlen == (size_t)-1) {
TALLOC_FREE(*values);
return WERR_NOMEM;
}
ADD_TO_ARRAY(*values, char *, val, values, num_values);
if (*values == NULL) {
return WERR_NOMEM;
}
p += thislen;
len -= thislen;
}
return WERR_OK;
}
WERROR registry_pull_value(TALLOC_CTX *mem_ctx,
struct registry_value **pvalue,
enum winreg_Type type, uint8 *data,
uint32 size, uint32 length)
{
struct registry_value *value;
WERROR err;
if (!(value = TALLOC_ZERO_P(mem_ctx, struct registry_value))) {
return WERR_NOMEM;
}
value->type = type;
switch (type) {
case REG_DWORD:
if ((size != 4) || (length != 4)) {
err = WERR_INVALID_PARAM;
goto error;
}
value->v.dword = IVAL(data, 0);
break;
case REG_SZ:
case REG_EXPAND_SZ:
{
/*
* Make sure we get a NULL terminated string for
* convert_string_talloc().
*/
smb_ucs2_t *tmp;
uint32 num_ucs2 = length / 2;
if ((length % 2) != 0) {
err = WERR_INVALID_PARAM;
goto error;
}
if (!(tmp = SMB_MALLOC_ARRAY(smb_ucs2_t, num_ucs2+1))) {
err = WERR_NOMEM;
goto error;
}
memcpy((void *)tmp, (const void *)data, length);
tmp[num_ucs2] = 0;
value->v.sz.len = convert_string_talloc(
value, CH_UTF16LE, CH_UNIX, tmp, length+2,
&value->v.sz.str, False);
SAFE_FREE(tmp);
if (value->v.sz.len == (size_t)-1) {
err = WERR_INVALID_PARAM;
goto error;
}
break;
}
case REG_MULTI_SZ:
err = reg_pull_multi_sz(value, (void *)data, length,
&value->v.multi_sz.num_strings,
&value->v.multi_sz.strings);
if (!(W_ERROR_IS_OK(err))) {
goto error;
}
break;
case REG_BINARY:
value->v.binary.data = talloc_move(value, &data);
value->v.binary.length = length;
break;
default:
err = WERR_INVALID_PARAM;
goto error;
}
*pvalue = value;
return WERR_OK;
error:
TALLOC_FREE(value);
return err;
}
WERROR registry_push_value(TALLOC_CTX *mem_ctx,
const struct registry_value *value,
DATA_BLOB *presult)
{
switch (value->type) {
case REG_DWORD: {
char buf[4];
SIVAL(buf, 0, value->v.dword);
*presult = data_blob_talloc(mem_ctx, (void *)buf, 4);
if (presult->data == NULL) {
return WERR_NOMEM;
}
break;
}
case REG_SZ:
case REG_EXPAND_SZ: {
presult->length = convert_string_talloc(
mem_ctx, CH_UNIX, CH_UTF16LE, value->v.sz.str,
MIN(value->v.sz.len, strlen(value->v.sz.str)+1),
(void *)&(presult->data), False);
if (presult->length == (size_t)-1) {
return WERR_NOMEM;
}
break;
}
default:
return WERR_INVALID_PARAM;
}
return WERR_OK;
}
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