关于 纯真IP数据库格式,详细见下面帖子:
http://blog.chinaunix.net/u1/41420/showart_322320.html
程序说明:能够根据输入的IP,在 纯真IP数据库 中,搜索并且读取对应的 物理地址,还可以导出所有的IP段地址信息。
#include <stdio.h>
#include <string.h>
#include <process.h>
#define QQWRY "QQWry.dat"
#define REDIRECT_MODE_1 0x01
#define REDIRECT_MODE_2 0x02
#define MAXBUF 255
/*unsigned long getValue( 获取文件中指定的16进制串的值,并返回
FILE *fp, 指定文件指针
unsigned long start, 指定文件偏移量
int length) 获取的16进制字符个数/长度
*/
unsigned long getValue(FILE *fp, unsigned long start, int length)
{
unsigned long variable=0;
long i;
long *val = new long[length];
fseek(fp,start,SEEK_SET);
for(i=0;i<length;i++)
{
/*过滤高位,一次读取一个字符*/
val[i]=fgetc(fp)&0x000000FF;
}
for(i=length-1;i>=0;i--)
{
/*因为读取多个16进制字符,叠加*/
variable=variable*0x100+val[i];
}
if(val!=NULL)
{
delete val;
val = NULL;
}
return variable;
};
/*int getString( 获取文件中指定的字符串,返回字符串长度
FILE *fp, 指定文件指针
unsigned long start, 指定文件偏移量
char **string) 用来存放将读取字符串的字符串空间的首地址
*/
int getString(FILE *fp, unsigned long start, char **string)
{
unsigned long i=0;
char val;
fseek(fp,start,SEEK_SET);
/*读取字符串,直到遇到0x00为止*/
do
{
val=fgetc(fp);
/*依次放入用来存储的字符串空间中*/
*(*string+i)=val;
i++;
}while(val!=0x00);
/*返回字符串长度*/
return i;
};
/*void getAddress( 读取指定IP的国家位置和地域位置
FILE *fp, 指定文件指针
unsigned long start, 指定IP在索引中的文件偏移量
char **country, 用来存放国家位置的字符串空间的首地址
char **location) 用来存放地域位置的字符串空间的首地址
*/
void getAddress(FILE *fp, unsigned long start, char **country, char **location)
{
unsigned long redirect_address,counrty_address,location_address;
char val;
start+=4;
fseek(fp,start,SEEK_SET);
/*读取首地址的值*/
val=(fgetc(fp)&0x000000FF);
if(val==REDIRECT_MODE_1)
{
/*重定向1类型的*/
redirect_address=getValue(fp,start+1,3);
fseek(fp,redirect_address,SEEK_SET);
/*混合类型,重定向1类型进入后遇到重定向2类型
读取重定向后的内容,并设置地域位置的文件偏移量*/
if((fgetc(fp)&0x000000FF)==REDIRECT_MODE_2)
{
counrty_address=getValue(fp,redirect_address+1,3);
location_address=redirect_address+4;
getString(fp,counrty_address,country);
}
/*读取重定向1后的内容,并设置地域位置的文件偏移量*/
else
{
counrty_address=redirect_address;
location_address=redirect_address+getString(fp,counrty_address,country);
}
}
/*重定向2类型的*/
else if(val==REDIRECT_MODE_2)
{
counrty_address=getValue(fp,start+1,3);
location_address=start+4;
getString(fp,counrty_address,country);
}
else
{
counrty_address=start;
location_address=counrty_address+getString(fp,counrty_address,country);
}
/*读取地域位置*/
fseek(fp,location_address,SEEK_SET);
if((fgetc(fp)&0x000000FF)==REDIRECT_MODE_2||(fgetc(fp)&0x000000FF)==REDIRECT_MODE_1)
{
location_address=getValue(fp,location_address+1,3);
}
getString(fp,location_address,location);
return;
};
/*void getHead( 读取索引部分的范围(在文件头中,最先的2个8位16进制)
FILE *fp, 指定文件指针
unsigned long *start, 文件偏移量,索引的起止位置
unsigned long *end) 文件偏移量,索引的结束位置
*/
void getHead(FILE *fp,unsigned long *start,unsigned long *end)
{
/*索引的起止位置的文件偏移量,存储在文件头中的前8个16进制中
设置偏移量为0,读取4个字符*/
*start=getValue(fp,0L,4);
/*索引的结束位置的文件偏移量,存储在文件头中的第8个到第15个的16进制中
设置偏移量为4个字符,再读取4个字符*/
*end=getValue(fp,4L,4);
};
/*unsigned long searchIP( 搜索指定IP在索引区的位置,采用二分查找法;
返回IP在索引区域的文件偏移量
一条索引记录的结果是,前4个16进制表示起始IP地址
后面3个16进制,表示该起始IP在IP信息段中的位置,文件偏移量
FILE *fp,
unsigned long index_start, 索引起始位置的文件偏移量
unsigned long index_end, 索引结束位置的文件偏移量
unsigned long ip) 关键字,要索引的IP
*/
unsigned long searchIP(FILE *fp, unsigned long index_start, \
unsigned long index_end, unsigned long ip)
{
unsigned long index_current,index_top,index_bottom;
unsigned long record;
index_bottom=index_start;
index_top=index_end;
/*此处的7,是因为一条索引记录的长度是7*/
index_current=((index_top-index_bottom)/7/2)*7+index_bottom;
/*二分查找法*/
do{
record=getValue(fp,index_current,4);
if(record>ip)
{
index_top=index_current;
index_current=((index_top-index_bottom)/14)*7+index_bottom;
}
else
{
index_bottom=index_current;
index_current=((index_top-index_bottom)/14)*7+index_bottom;
}
}while(index_bottom<index_current);
/*返回关键字IP在索引区域的文件偏移量*/
return index_current;
};
/*unsigned long putAll( 导出所有IP信息到文件文件中,函数返回导出总条数
FILE *fp,
FILE *out, 导出的文件指针,必须拥有写权限
unsigned long index_start, 索引区域的起始文件偏移量
unsigned long index_end) 索引区域的结束文件偏移量
*/
unsigned long putAll(FILE *fp, FILE *out, unsigned long index_start, unsigned long index_end)
{
unsigned long i,count=0;
unsigned long start_ip,end_ip;
char *country;
char *location;
country=new char[255];
location=new char[255];
/*此处的7,是因为一条索引记录的长度是7*/
for(i=index_start;i<index_end;i+=7)
{
/*获取IP段的起始IP和结束IP,
起始IP为索引部分的前4位16进制
结束IP在IP信息部分的前4位16进制中,靠索引部分指定的偏移量找寻*/
start_ip=getValue(fp,i,4);
end_ip=getValue(fp,getValue(fp,i+4,3),4);
/*导出IP信息,格式是
起始IP\t结束IP\t国家位置\t地域位置\n*/
fprintf(out,"%d.%d.%d.%d",(start_ip&0xFF000000)>>0x18,\
(start_ip&0x00FF0000)>>0x10,(start_ip&0x0000FF00)>>0x8,start_ip&0x000000FF);
fprintf(out,"\t");
fprintf(out,"%d.%d.%d.%d",(end_ip&0xFF000000)>>0x18, \
(end_ip&0x00FF0000)>>0x10,(end_ip&0x0000FF00)>>0x8,end_ip&0x000000FF);
getAddress(fp,getValue(fp,i+4,3),&country,&location);
fprintf(out,"\t%s\t%s\n",country,location);
count++;
}
if(country!=NULL)
{
delete country;
country = NULL;
}
if(location!=NULL)
{
delete location;
location = NULL;
}
/*返回导出总条数*/
return count;
};
/*判断一个字符是否为数字字符,
如果是,返回0
如果不是,返回1*/
int beNumber(char c)
{
if(c>='0'&&c<='9')
return 0;
else
return 1;
};
/*函数的参数是一个存储着IP地址的字符串首地址
返回该IP的16进制代码
如果输入的IP地址有错误,函数将返回0*/
unsigned long getIP(char *ip_addr)
{
unsigned long ip=0;
int i,j=0;
/*依次读取字符串中的各个字符*/
for(i=0;i<strlen(ip_addr);i++)
{
/*如果是IP地址间隔的‘.’符号
把当前读取到的IP字段的值,存入ip变量中
(注意,ip为叠加时,乘以16进制的0x100)
并清除临时变量的值*/
if(*(ip_addr+i)=='.')
{
ip=ip*0x100+j;
j=0;
}
/*往临时变量中写入当前读取到的IP字段中的字符值
叠加乘以10,因为输入的IP地址是10进制*/
else
{
/*判断,如果输入的IP地址不规范,不是10进制字符
函数将返回0*/
if(beNumber(*(ip_addr+i))==0)
j=j*10+*(ip_addr+i)-'0';
else
return 0;
}
}
/*IP字段有4个,但是‘.’只有3个,叠加第四个字段值*/
ip=ip*0x100+j;
return ip;
};
/*显示logo信息*/
void logo(void)
{
printf("=============================================================================\n");
printf("--- Get the IP info.s from QQWry.dat v0.1 by dorainm dorainm@gmail.com ---\n");
printf("=============================================================================\n");
};
/*显示程序语法*/
void usage(char *app_name)
{
printf("\nUsage : %s [options]\n",app_name);
printf("options:\n");
printf(" -a <address> Search and display the Informations by Location Address.(*)\n");
printf(" -i <IP> Search and display the Informations by IP Address.\n");
printf(" -o <FILE> Output all the informations to a text file.\n");
printf(" -local Display the localhost IP's informations.(*)\n");
printf(" -updata Update the QQWry.dat from the Internet.(*)\n\n");
printf("ps: the optionss marked (*) are incompleted.\n");
};
/*显示结束信息*/
void showend(void)
{
printf("\n\nThe command completed successfully.\n\n");
};
/*主函数*/
int main(int argc, char *argv[])
{
FILE *fp; /*打开QQWry.dat的文件指针*/
unsigned long index_start,index_end,current; /*索引部分的起始位置的文件偏移量
索引部分的结束位置的文件偏移量
待搜索IP地址的索引条目的文件偏移量*/
char *country; /*国家位置*/
char *location; /*地域位置*/
country=new char[MAXBUF];
location=new char[MAXBUF];
logo();
if(argc<3)
{
usage(argv[0]);
showend();
return 1;
}
/*打开QQWry.dat文件*/
if((fp=fopen(QQWRY,"rb"))==NULL)
{
printf("[-] Error : Can not open the file %s.\n",QQWRY);
showend();
return 2;
}
else
printf("[+] Open the file [ %s ] successfully.\n",QQWRY);
/*显示QQWry.dat文件信息*/
getHead(fp,&index_start,&index_end);
getAddress(fp,getValue(fp,index_end+4,3),&country,&location);
printf("[+] Version of QQWry.dat : [ %s %s ]\n",country,location);
printf("[+] Index Location [ 0x%X - 0x%X ].\n",index_start,index_end);
/*判断第一个参数的值*/
if((strncmp(argv[1],"-i",2)==0)||(strncmp(argv[1],"-I",2)==0))
{
/*-i参数,搜索IP*/
unsigned long ip;
ip=getIP(argv[2]);
if(ip==0)
{
printf("[-] Error : the IP Address inputed.\n");
showend();
return 3;
}
/*搜索IP在索引区域的条目的偏移量*/
current=searchIP(fp,index_start,index_end,ip);
printf("[+] Address of index for [ %X ] is %X\n",ip,current);
/*获取该IP对因的国家地址和地域地址*/
getAddress(fp,getValue(fp,current+4,3),&country,&location);
printf("[+] Get the location for the IP address.\n");
printf("[+] [ IP Address ] %d.%d.%d.%d\n",(ip&0xFF000000)>>0x18,(ip&0x00FF0000)>>0x10,(ip&0x0000FF00)>>0x8,ip&0x000000FF);
printf("[+] [ Location ] %s %s\n",country,location);
}
else if((strncmp(argv[1],"-o",2)==0)||(strncmp(argv[1],"-O",2)==0))
{
/*-o参数,解压缩数据库,导出IP信息到文本文件*/
FILE *out;
unsigned long num;
if((out=fopen(argv[2],"w"))==NULL)
{
printf("[-] Error create the output text file [ %s ].\n","out.txt");
showend();
}
else
{
printf("[+] Create the output text file [ %s ] successfully.\n","out.txt");
}
/*导出IP条目信息*/
printf("[+] Outputing the informations ");
num=putAll(fp,out,index_start,index_end);
printf("Finished.\n");
fclose(out);
/*显示导出条目的数量*/
printf("[+] The Total items number is [ %d ].",num);
}
/*关闭文件指针,释放变量空间,结束程序*/
fclose(fp);
if(country!=NULL)
{
delete country;
country = NULL;
}
if(location!=NULL)
{
delete location;
location = NULL;
}
showend();
return 0;
}
使用语法
============================================================================= --- Get the IP info.s from QQWry.dat v0.1 by dorainm dorainm@gmail.com --- =============================================================================
Usage : showip [options] options: -a <address> Search and display the Informations by Location Address.(*) -i <IP> Search and display the Informations by IP Address. -o <FILE> Output all the informations to a text file. -local Display the localhost IP's informations.(*) -updata Update the QQWry.dat from the Internet.(*)
ps: the optionss marked (*) are incompleted.
The command completed successfully. |
搜索IP
showip -i 222.19.211.254
============================================================================= --- Get the IP info.s from QQWry.dat v0.1 by dorainm dorainm@gmail.com --- ============================================================================= [+] Open the file [ QQWry.dat ] successfully. [+] Version of QQWry.dat : [ 纯真网络 2006年3月5日IP数据 ] [+] Index Location [ 0x37A265 - 0x535EB1 ]. [+] Address of index for [ DE13D3FE ] is 51BB44 [+] Get the location for the IP address. [+] [ IP Address ] 222.19.211.254 [+] [ Location ] 云南大学 国家示范性软件学院
The command completed successfully. |
导出所有IP信息,语法是 showip -o out.txt