#include "stdafx.h"
#include <stdio.h>
#include <io.h>
#include "resource.h"
#include "util.h"
extern HINSTANCE g_hInstance;
void GetFileName(char *fname)
{
char temp[200];
GetModuleFileName(NULL, temp, sizeof(temp));
int i =strlen(temp);
while(i >0 && temp[i-1] !='\\' && temp[i-1] !=':') i--;
strcpy(fname, &temp[i]);
}
// �����win9x������ʹ��fopen����
void WriteLog(char *fmt,...)
{
va_list args;
char modname[200];
char temp[5000];
HANDLE hFile;
GetModuleFileName(NULL, modname, sizeof(modname));
if((hFile =CreateFile("c:\\hookapi.log", GENERIC_WRITE, 0, NULL, OPEN_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL)) <0)
{
return;
}
SetFilePointer((HANDLE)hFile, 0, NULL, FILE_END);
wsprintf(temp, "mydll.dll:%s:", modname);
DWORD dw;
WriteFile(hFile, temp, strlen(temp), &dw, NULL);
va_start(args,fmt);
vsprintf(temp, fmt, args);
va_end(args);
WriteFile(hFile, temp, strlen(temp), &dw, NULL);
wsprintf(temp, "\r\n");
WriteFile(hFile, temp, strlen(temp), &dw, NULL);
CloseHandle(hFile);
}
void WriteLog9x(char *msg)
{
char modname[200];
char temp[5000];
HANDLE hFile;
GetModuleFileName(NULL, modname, sizeof(modname));
if((hFile =CreateFile("c:\\hookapi.log", GENERIC_WRITE, 0, NULL, OPEN_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL)) <0)
{
return;
}
SetFilePointer((HANDLE)hFile, 0, NULL, FILE_END);
wsprintf(temp, "mydll.dll:%s:", modname);
DWORD dw;
WriteFile(hFile, temp, strlen(temp), &dw, NULL);
WriteFile(hFile, msg, strlen(msg), &dw, NULL);
wsprintf(temp, "\r\n");
WriteFile(hFile, temp, strlen(temp), &dw, NULL);
CloseHandle(hFile);
}
int ipcmp(char *szip1, char *szip2)
{
ULONG ip1 =GetIntIP(szip1);
ULONG ip2 =GetIntIP(szip2);
if(ip1 > ip2) return 1;
else if(ip1 <ip2) return -1;
else return 0;
}
ULONG GetIntIP(char *szip)
{
char *p, *p1;
char ip[16];
int i;
ULONG ii[4];
i =0;
strcpy(ip, szip);
p =ip;
while(*p && i<4)
{
p1 =p;
while(*p && *p !='.') p++;
*p =0;
ii[i] =my_atoi(p1);
p ++;
i++;
}
return ii[0]*256*256*256+ii[1]*256*256+ii[2]*256+ii[3];
}
ULONG my_atoi(char *p)
{
ULONG i;
i =0;
while(*p)
{
i =(i+*p-'0')*10;
p++;
}
i =i/10;
return i;
}
BOOL CALLBACK PasswordDlgProc(HWND hDlg, UINT msg, WPARAM wParam, LPARAM lParam)
{
static PASSWORD_DATA *pdata;
char password[9];
switch(msg)
{
case WM_INITDIALOG:
pdata =(PASSWORD_DATA *)lParam;
SetDlgItemText(hDlg, IDC_APP_NAME, pdata->app_name);
SetDlgItemText(hDlg, IDC_IP, pdata->ip);
SetWindowPos(hDlg, NULL, 300, 300, 0, 0, SWP_NOSIZE);
SendDlgItemMessage(hDlg, IDE_PASSWORD, EM_SETLIMITTEXT, 8, 0L);
break;
case WM_COMMAND:
switch(LOWORD(wParam))
{
case IDOK:
GetDlgItemText(hDlg, IDE_PASSWORD, password, sizeof(password));
if(strcmp(password, pdata->password) !=0)
{
MessageBox(hDlg, "���벻��", pdata->app_name, MB_OK);
return TRUE;
}
EndDialog(hDlg, IDOK);
break;
case IDCANCEL:
EndDialog(hDlg, IDCANCEL);
}
break;
}
return FALSE;
}
int CheckPassword(char *app, char *ip, char *password)
{
PASSWORD_DATA data;
strcpy(data.app_name, app);
strcpy(data.ip, ip);
strcpy(data.password, password);
if(DialogBoxParam(g_hInstance, MAKEINTRESOURCE(IDD_PASSWORD), NULL, PasswordDlgProc, (LONG)&data) ==IDCANCEL)
return -1;
return 0;
}
int EncURL(unsigned char *url, int len, char *new_url)
{
int k =0;
for(int i =0; i<len; i++)
{
if(url[i] >127)
{
wsprintf(&new_url[k], "%%%2X", url[i]);
k +=3;
}
else new_url[k++] =url[i];
}
new_url[k] =0;
return k;
}
int FindData(unsigned char *data1, int len1, unsigned char *data2, int len2, int enc_url)
{
int i, len_url;
char url[1024];
//unsigned char *data =new BYTE[len2];
int count =0;
int pos[256], len[256], pos3[256], len3[256];
int k =0;
pos [0] =0;
len [0] =0;
char *p =(char *)data2;
for(i =0; i<len2; i++)
{
if(p[i] !=',') len[k] ++;
else
{
k++;
pos[k] =i+1;
len[k] =0;
}
}
count =k+1;
if(enc_url)
{
len_url =EncURL(data2, len2, url);
k =0;
pos3[0] =0;
len3[0] =0;
char *p =url;
for(i =0; i<len_url; i++)
{
if(p[i] !=',') len3[k] ++;
else
{
k++;
pos3[k] =i+1;
len3[k] =0;
}
}
}
else len_url =len2;
//WriteLog("url =%s,len_url=%d\ndata1=%s\n####len1=%d", url,len_url, data1,len1);
i =0;
while(i+len_url<=len1)
{
for(k =0; k<count; k++)
{
if(len[k] && memcmp(data1+i, data2+pos[k], len[k]) ==0) return i;
}
if(enc_url)
{
for(k =0; k<count; k++)
{
if(len3[k] && memcmp(data1+i, url+pos3[k], len3[k]) ==0) return i;
}
}
i++;
}
//WriteLog("not found!!!");
//delete data;
return -1;
}
//�������ӣ�ʹ�����������Ȳ��䡣
int EncryptData(int algrithm, char *password, unsigned char *inbuf, int inbuf_len, unsigned char *outbuf, int *outbuf_len)
{
int i;
for(i =0; i<inbuf_len-1; i++)
{
outbuf[i] =inbuf[i]^password[i%8];
}
*outbuf_len =inbuf_len;
return *outbuf_len;
}
int DecryptData(int algrithm, char *password, unsigned char *inbuf, int inbuf_len, unsigned char *outbuf, int *outbuf_len)
{
int i;
for(i =0; i<inbuf_len; i++)
{
outbuf[i] =inbuf[i]^password[i%8];
}
*outbuf_len =inbuf_len;
return *outbuf_len;
}