整理硬盘看到以前写的纯真ip数据库(QQWry.Dat)查询代码,觉得没有什么价值了,当时学习C语言的文件操作时自己的一个练习而已,现在公布出来希望对学习C语言的人有所参考价值.
纯真ip数据库(QQWry.Dat)是当年很多修改版QQ使用的显示对方所在地的ip数据库,该数据库由纯真维护着,ip地址所在地是许多网友提交才发展那么强大的,参考lumaqq的一些资料会有帮助:
好了不多说了代码如下:
MakeFile
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CC = gcc.exeBIN = qqwry.exeWINDRES = windres.exeRES = resource.oOBJ = main.o qqwry.o localIp.o $(RES)# D:\MinGW\lib\libwsock32.aLIBS = -L"D:/MinGW/lib" -lwsock32RM = del -f$(BIN): $(OBJ) $(CC) -o $(BIN) $(OBJ) $(RES) $(LIBS)main.o: main.h qqwry.hqqwry.o: qqwry.h localIp.hlocalIp.o: localIp.h$(RES): resource.rc my_icon.ico $(WINDRES) -o $(RES) resource.rc.PHONY:cleanclean: $(RM) $(BIN) $(OBJ) *~ |
main.c
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/** * * 增加了解压数据库功能，包括 * void readIpString(char *string); * void exportData(char *fileName); * * @author http://blog.runphp.net * @version 0.6 * */#include <stdio.h>#include <stdlib.h>#include <string.h>#include "qqwry.h"FILE *ipFile = NULL; //ip文件指针unsigned long ipBegin = 0; //ip开始地址unsigned long ipEnd = 0; //ip结束地址unsigned long ipSum = 0; //ip总数/** * main() */int main(int argc, char **argv){ ipFile = fopen("QQWry.Dat", "rb"); if(!ipFile){ puts("QQWry.Dat文件丢失"); exit(1); } unsigned long data[2]; fread(data, 1, 8, ipFile); ipBegin = data[0]; ipEnd = data[1]; ipSum = ((data[1]-data[0])/RECORD_LENGTH +1); checkCmdLine(argc, argv);//处理命令行参数 fclose(ipFile); return 0;} |
qqwry.h
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#ifndef QQWRY_H#define QQWRY_H#define RECORD_LENGTH 0x07 //ip记录长度#define AREA_FOLLOWED 0X01 //模式1#define NO_AREA 0x02 //模式2typedef struct ipInfo{ char ipBegin[15]; //ip段开始地址 char ipEnd[15]; //ip段结束地址 char countryAndArea[255]; //ip段对应的国家和地区} ipInfo;unsigned long stringIpToLong(char *ipString);unsigned long seekIpBinarySearch(char *ipString);void readString(char *string, unsigned long offset);void readStringCur(char *string);void seekCountryArea(char *string, unsigned long offset);void readArea(char *string);void checkCmdLine(int argc, char **argv);void readIpString(char *string);void exportData(char *fileName);void searchIpByName(char *name);#endif |
qqwry.c
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/** * 重新写了stringIpToLong函数，改用sscanf，增加了判断ip地址错误 * * * @author http://blog.runphp.net * @version 0.8 */#include <stdio.h>#include <stdlib.h>#include <string.h>#include <unistd.h>#include <ctype.h>#include "qqwry.h"#include "localIp.h"extern FILE *ipFile;extern unsigned long ipBegin, ipEnd, ipSum;/** * 把ip字符串转换为unsigned long * @param char *ipString * @return unsigned long ret */unsigned long stringIpToLong(char *ipString){ int num[4]; char ch =0; unsigned long ret = 0; if(sscanf(ipString, "%3d.%3d.%3d.%3d%c",&num[0], &num[1], &num[2], &num[3], &ch) != 4 // || ch != 0 //sscanf返回 !=4包括了ch不为0 || num[0] > 0xFF || num[1] > 0xFF || num[2] > 0xFF || num[3] > 0xFF || num[0] < 0x00 || num[1] < 0x00 || num[2] < 0x00 || num[3] < 0x00){ puts("ip地址错误"); exit(0); } ret = ret | ( num[0] << 24 ) | ( num[1] << 16 ) | ( num[2] << 8 ) | ( num[3] ); /* char tmp[16]; unsigned long ret = 0; strcpy(tmp, ipString); char *str = strtok(tmp, "."); ret = ret | (atol(str) << 24); str = strtok(NULL, "."); ret = ret | (atol(str) << 16); str = strtok(NULL, "."); ret = ret | (atol(str) << 8); str = strtok(NULL, "."); ret = ret | (atol(str)); */ return ret;}/** * 返回ip记录所在位置,使用二分法 * @param char *ipString * @return unsigned long */unsigned long seekIpBinarySearch(char *ipString){ unsigned long ipNum = stringIpToLong(ipString); unsigned long start = 0L; unsigned long end = ipSum; unsigned long mid = 0L; unsigned long addr[2] = {0L}; while(start != end) { mid = (start + end) / 2; fseek(ipFile, ipBegin + mid * RECORD_LENGTH, SEEK_SET); fread(addr, 1, 7, ipFile); if(ipNum == addr[0]) { return addr[1]; } else if(end == start +1) { return addr[1]; } else if(ipNum > addr[0]){ start = mid; } else/* if(ipNum > addr[0])*/{ end = mid; } }}/** * 从文件offset位置读取字符串到string，直到遇到空字符 * @param char *string * @param unsigned long offset * @return void */void readString(char *string, unsigned long offset){ fseek(ipFile, offset, SEEK_SET); while(*string++ = fgetc(ipFile)) ;}/** * 从文件当前位置读取字符串到string，直到遇到空字符 * @param char *string * @param unsigned long offset * @return void */void readStringCur(char *string){ while(*string++ = fgetc(ipFile)) ;}/** * 从文件offset位置读取国家地区到string * @param char *string * @param unsigned long offset * @return void */void seekCountryArea(char *string, unsigned long offset){ fseek(ipFile, offset+4, SEEK_SET); char flag = fgetc(ipFile); unsigned long countryOffset[1] = {0L}; if (AREA_FOLLOWED == flag) { fread(countryOffset, 1, 3, ipFile); fseek(ipFile, countryOffset[0], SEEK_SET); flag = fgetc(ipFile); if(NO_AREA == flag) { unsigned long tmp = countryOffset[0]; fread(countryOffset, 1, 3, ipFile); fseek(ipFile, countryOffset[0], SEEK_SET); readStringCur(string); string = strcat(string, " "); fseek(ipFile, tmp+4, SEEK_SET); } else { fseek(ipFile, -1, SEEK_CUR); readStringCur(string); string = strcat(string, " "); } } else if (NO_AREA == flag){ fread(countryOffset, 1, 3, ipFile); readString(string, countryOffset[0]); string = strcat(string, " "); fseek(ipFile, offset+8, SEEK_SET); } else { readString(string, offset+4); string = strcat(string, " "); } readArea(string);}/** * 读取地区字符串到string后面，具体是加在国家字符串后面 * @param char *string * @return void */void readArea(char *string){ unsigned long offset[1] = {0L}; char area[255] = ""; int flag = fgetc(ipFile); if (AREA_FOLLOWED == flag || NO_AREA == flag) { fread(offset, 1, 3, ipFile); readString(area, offset[0]); string = strcat(string, area); } else { fseek(ipFile, -1, SEEK_CUR); readStringCur(area); string = strcat(string, area); }}/** * 检查命令行输入参数 */void checkCmdLine(int argc, char **argv){ if(argc == 1) { //数据库信息 unsigned long ll = seekIpBinarySearch("255.255.255.0"); char string[255]=""; seekCountryArea(string,ll); printf("%s %lu条\n", string, ipSum); //输出你的ip地址 localIp(string); printf("\n你的IP：%s\n",string); ll = seekIpBinarySearch(string); seekCountryArea(string,ll); printf("IP地址：%s\n",string); //帮助 puts("----------------------------------------"); puts("查询ip地址"); printf("\n用法：\%s ip地址\n例如：%s 127.0.0.1\n", argv[0], argv[0]); puts("\n解压数据库"); printf("\n用法：\%s -o 文件名\n例如：%s -o qqwry.txt\n", argv[0], argv[0]); puts("\n搜索字符串"); printf("\n用法：\%s -s 字符串\n例如：%s -s 浏阳\n", argv[0], argv[0]); puts("----------------------------------------"); exit(1); //搜索ip记录 }else if(argc==2){ puts(argv[1]); char string[255]=""; unsigned long ll = seekIpBinarySearch(argv[1]);//二分法搜索ip记录位置 seekCountryArea(string, ll);//从ll位置读取ip记录信息 puts(string); }else if(argc == 3 ){ //导出记录 if(strcmp(argv[1],"-o")==0){ puts("准备导出"); //文件已经存在(，还需要判断是否可写，不然崩溃) if(access(argv[2],F_OK) == 0){ printf("是否覆盖%s(Y/N)",argv[2]); char ch = 0; while( (ch = tolower(getchar())) != 'y' && ch !='n') { printf("是否覆盖%s(Y/N)",argv[2]); } if(ch =='n') exit(1); } exportData(argv[2]); }else if(strcmp(argv[1],"-s")==0){ searchIpByName(argv[2]); }else{ puts("有任何问题请联系：hehuiahui@163.com"); } //其他 }else{ puts("有任何问题请联系：hehuiahui@163.com"); }}/** * 从当前位置读取4个字节转换为ip字符串 * @param char *string 保存ip字符串 */void readIpString(char *string){// if(sizeof(string) < 16)// realloc(string, 16);sprintf(string, "%d.%d.%d.%d", fgetc(ipFile), fgetc(ipFile), fgetc(ipFile), fgetc(ipFile));// free(string);}/** * 导出记录 * @param char *filename 文件名 * */void exportData(char *fileName){ FILE *fp = fopen(fileName, "wb"); unsigned long i=0; unsigned long data[1]={0}; char string[255]=""; unsigned long di = (ipSum/100); int j=0; while(!feof(ipFile) && i != ipSum){ //起始ip fseek(ipFile, ipBegin + RECORD_LENGTH * i, SEEK_SET); readIpString(string); fprintf(fp, "%-16s", string); //结束ip fread(data, 1, 3, ipFile); fseek(ipFile, data[0], SEEK_SET); readIpString(string); fprintf(fp, "%-16s", string); //国家地区 seekCountryArea(string, data[0]); fputs(string, fp); fputs("\r\n",fp); // \r\n for windows //导出进度 if(i%di==0){ if(j>9) putchar('\b'); putchar('\b'); putchar('\b'); if(j%2==0) putchar('#'); printf("%d%%",j++); } ++i; } puts("\n导出完毕");}/** * 搜索国家地区中包含某字符串的ip段 * @param char *name 要搜索的字符串 */void searchIpByName(char *name){ unsigned long i=0; unsigned long data[1]={0}; char string[255]=""; unsigned long j=0; int k=0; while(!feof(ipFile) && i != ipSum){ fseek(ipFile, ipBegin + RECORD_LENGTH * i +4, SEEK_SET); fread(data, 1, 3, ipFile); seekCountryArea(string, data[0]); if(strstr(string, name) != NULL) { while(k>0){ putchar('\b'); --k; } char ipStr[16]=""; fseek(ipFile, ipBegin + RECORD_LENGTH * i, SEEK_SET); readIpString(ipStr); printf("%-16s", ipStr); fread(data, 1, 3, ipFile); fseek(ipFile, data[0], SEEK_SET); readIpString(ipStr); printf("%-16s", ipStr); puts(string); ++j; }else{ //等待 if(i%(ipSum/50)==0){ putchar('>'); ++k; } } ++i; } while(k>0){ putchar('\b'); --k; } printf("总共搜索到 %lu 条记录。 ",j);} |
localIp.h
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#ifndef LOCAL_IP_H#define LOCAL_IP_Hint localIp(char *ip);#endif |
localIp.c
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/** * 获取本机ip地址 * * 需要指定wsock32.lib * gcc需要指定libwsock32.a * @author http://blog.runphp.net * @version 0.1 */#include <winsock2.h>#include <wsipx.h>//#include "wsnwlink.h"#include <stdio.h>#include "localIp.h"int localIp(char *ip){ //////////////// // Initialize windows sockets API. Ask for version 1.1 // WORD wVersionRequested = MAKEWORD(1, 1); WSADATA wsaData; if (WSAStartup(wVersionRequested, &wsaData)) { printf("WSAStartup failed %s\n", WSAGetLastError()); return -1; } ////////////////// // Get host name. // char hostname[256]; int res = gethostname(hostname, sizeof(hostname)); if (res != 0) { printf("Error: %u\n", WSAGetLastError()); return -1; } //////////////// // Get host info for hostname. // struct hostent* pHostent = gethostbyname(hostname); if (pHostent==NULL) { printf("Error: %u\n", WSAGetLastError()); return -1; } struct sockaddr_in sa; int nAdapter; char *addr; for (nAdapter=0; pHostent->h_addr_list[nAdapter]; nAdapter++) { memcpy ( &sa.sin_addr.s_addr, pHostent->h_addr_list[nAdapter],pHostent->h_length); addr =inet_ntoa(sa.sin_addr); // Output the machines IP Address. // printf("Address: %s\n", addr =inet_ntoa(sa.sin_addr)); // display as string } memcpy(ip,addr,16); ////////////////// // Terminate windows sockets API // WSACleanup(); return 0;}/*int main(){ char ip[16]; localIp(ip); printf("%s",ip); return 0;}*/ |
resource.rc
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A ICON "my_icon.ico" |