vuln_javascript/javascript_variant.cpp at master · lcatro/vuln_javascript · GitHub

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#include"disable_warning.h"

#include<memory.h>
#include<stdlib.h>
#include<stdio.h>
#include<string.h>

#include<map>

#include<windows.h>
#include<oaidl.h>

#include"baselib_string.h"
#include"global_setting.h"
#include"javascript_array.h"
#include"javascript_base.h"
#include"javascript_variant.h"

using std::map;

typedef map<string,javascript_variant_struct> global_javascript_variant_table_;

global_javascript_variant_table_ global_javascript_variant_table;

unsignedlongget_variant_index(string& variant_name) {
unsignedlong index=0;
try {
for (global_javascript_variant_table_::iterator variant_table_iterator=global_javascript_variant_table.begin();
 variant_table_iterator!=global_javascript_variant_table.end();
 ++variant_table_iterator,++index)
if (variant_name==variant_table_iterator->first)
return index;
 } catch (...) {
// i dont know why iterate global_javascript_variant_table will make error of access exception ..
 }
returnINVALID_VALUE;
}

boolis_exist_variant(string& variant_name) {
if (INVALID_VALUE!=get_variant_index(variant_name))
returntrue;
returnfalse;
}

support_javascript_variant_type get_variant_type(string& variant_name) {
if (!is_exist_variant(variant_name))
returnNONE;
return (support_javascript_variant_type)global_javascript_variant_table[variant_name].vt;
}

voidset_variant(string variant_name,void* variant_data,support_javascript_variant_type variant_type) {
if (is_exist_variant(variant_name))
if (STRING==global_javascript_variant_table[variant_name].vt)
if (NULL!=global_javascript_variant_table[variant_name].ulVal)
free_memory((void*)global_javascript_variant_table[variant_name].ulVal);
if (NONE==variant_type) {
 global_javascript_variant_table[variant_name].vt=NONE;
 global_javascript_variant_table[variant_name].wReserved3=0;
 global_javascript_variant_table[variant_name].ulVal=0;
 } elseif (NUMBER==variant_type) {
 global_javascript_variant_table[variant_name].vt=NUMBER;
 global_javascript_variant_table[variant_name].wReserved3=sizeof(int);
 global_javascript_variant_table[variant_name].ulVal=(int)variant_data;
 } elseif (STRING==variant_type) {
 global_javascript_variant_table[variant_name].vt=STRING;
unsignedlong conver_new_length=conver_coding((char*)variant_data);
 global_javascript_variant_table[variant_name].wReserved3=sizeof(int);

unsignedlong alloc_length=sizeof(javascript_variant_string)+conver_new_length+1;
void* alloc_address=alloc_memory(alloc_length);
 ((javascript_variant_string*)alloc_address)->string_length=conver_new_length;
 ((javascript_variant_string*)alloc_address)->string_data=(char*)((unsignedlong)alloc_address+sizeof(javascript_variant_string));
memcpy((void*)((unsignedlong)alloc_address+sizeof(javascript_variant_string)),variant_data,alloc_length-sizeof(javascript_variant_string));

 global_javascript_variant_table[variant_name].ulVal=(unsignedlong)alloc_address;
 } elseif (INT_ARRAY==variant_type) {
 global_javascript_variant_table[variant_name].vt=INT_ARRAY;
 global_javascript_variant_table[variant_name].wReserved3=sizeof(int);
 global_javascript_variant_table[variant_name].ulVal=(unsignedlong)variant_data;
 } elseif (OBJECT_ARRAY==variant_type) {
 global_javascript_variant_table[variant_name].vt=OBJECT_ARRAY;
 global_javascript_variant_table[variant_name].wReserved3=sizeof(int);
 global_javascript_variant_table[variant_name].ulVal=(unsignedlong)variant_data;
 } elseif (OBJECT==variant_type) {
 global_javascript_variant_table[variant_name].vt=OBJECT;
 global_javascript_variant_table[variant_name].wReserved3=sizeof(int);
 global_javascript_variant_table[variant_name].ulVal=(unsignedlong)variant_data;
 }
}

boolget_variant(string variant_name,void* output_variant_data,support_javascript_variant_type* output_variant_type) {
if (is_exist_variant(variant_name)) {
if (NONE!=global_javascript_variant_table[variant_name].vt) {
 *(unsignedlong*)output_variant_data=global_javascript_variant_table[variant_name].ulVal;
 *output_variant_type=(support_javascript_variant_type)global_javascript_variant_table[variant_name].vt;
if (STRING==*output_variant_type)
 *(unsignedlong*)output_variant_data=(unsignedlong)((javascript_variant_string*)global_javascript_variant_table[variant_name].ulVal)->string_data;
else
 *(unsignedlong*)output_variant_data=global_javascript_variant_table[variant_name].ulVal;
returntrue;
 }
 }
 *(unsignedlong*)output_variant_data=NULL;
 *output_variant_type=NONE;
returnfalse;
}

voidcopy_variant(string destination_variant_name,string source_variant_name) {
unsignedlong variant_data=0;
 support_javascript_variant_type variant_type=NONE;
get_variant(source_variant_name,(void*)&variant_data,&variant_type);
set_variant(destination_variant_name,(void*)variant_data,variant_type);
}

boolset_variant_array(string variant_name,unsignedlong array_index,void* input_variant_data,support_javascript_variant_type input_variant_type) {
if (is_exist_variant(variant_name)) {
if (INT_ARRAY==get_variant_type(variant_name)) {
if (NUMBER==input_variant_type) {
 int_array* array_class=NULL;
 support_javascript_variant_type variant_type=NONE;
get_variant(variant_name,&array_class,&variant_type);
 array_class->set_index(array_index,input_variant_data);
returntrue;
 }
 } else {
 object_array* array_class=NULL;
 support_javascript_variant_type variant_type=NONE;
get_variant(variant_name,&array_class,&variant_type);
 javascript_variant_struct object_index_variant={0};
 object_index_variant.vt=input_variant_type;
if (STRING==input_variant_type)
 object_index_variant.wReserved3=strlen((constchar*)input_variant_data);
else
 object_index_variant.wReserved3=sizeof(int);
 object_index_variant.ulVal=(unsignedlong)input_variant_data;
 array_class->set_index(array_index,&object_index_variant);
returntrue;
 }
 }
returnfalse;
}

boolget_variant_array(string variant_name,unsignedlong array_index,void* output_variant_data,support_javascript_variant_type* output_variant_type) {
if (is_exist_variant(variant_name)) {
 base_array* array_class=NULL;
 support_javascript_variant_type array_type=NONE;
get_variant(variant_name,&array_class,&array_type);
if (INT_ARRAY==array_type) {
 *(unsignedlong*)output_variant_data=(unsignedlong)((int_array*)array_class)->get_index(array_index);
 *output_variant_type=NUMBER;
 } else {
 javascript_variant_struct* array_index_object=(javascript_variant_struct*)((object_array*)array_class)->get_index(array_index);
 *(unsignedlong*)output_variant_data=array_index_object->ulVal;
 *output_variant_type=(support_javascript_variant_type)array_index_object->vt;
 }
returntrue;
 }
returnfalse;
}