/*
fb2k到ytht的.PASSWD转换程序
ytht版本为ytht-0.0.9,2004-09-09
FB2000userec结构和define常数值取自当前fb2000代码,根据需要修改


同时完成:
把.PASSWORD truncate 成定义的大小
过滤掉fb2000PASSWD文件中的重复用户

happybird @岱北聆泉站 2004/12/09
happybird@mail.sdu.edu.cn
*/

#include "bbs.h"

#define FB_STRLEN               80    /* Length of most string data */
#define FB_NAMELEN              40    /* Length of username/realname */
#define FB_IDLEN                12    /* Length of userids */
#define FB_ENCPASSLEN                           14        //ifdef MD5 should be 35
#define FB_PASSLEN                                      14    /* User's password length (13 chars) */

#define _TEMP_FILE       "tmpuserfile"


struct FB2000userec {                  /* Structure used to hold information in */
        char            userid[FB_IDLEN+2];   /* PASSFILE */
        time_t          firstlogin;
        char            lasthost[16];
        unsigned int    numlogins;
        unsigned int    numposts;
        unsigned int    medals;         /* 奖章数 */
        unsigned int    money;          /* 金钱 */
        unsigned int    inbank;         /* 存款 */
        time_t          banktime;       /* 存入时间 */
        
        char            flags[2];
#ifdef ENCPASSLEN
        char            passwd[FB_ENCPASSLEN];
#else
        char            passwd[FB_PASSLEN];
#endif
        char            username[FB_NAMELEN];
        char            ident[FB_NAMELEN];
        char            termtype[16];
        char            reginfo[FB_STRLEN-16];
        unsigned int    userlevel;
        time_t          lastlogin;
        time_t          lastlogout;/* 最近离线时间 */
        time_t          stay;
        char            realname[FB_NAMELEN];
        char            address[FB_STRLEN];
        char            email[FB_STRLEN-12];
        unsigned int    nummails;
        time_t          lastjustify;
        char            gender;
        unsigned char   birthyear;
        unsigned char   birthmonth;
        unsigned char   birthday;
        int             signature;
        unsigned int    userdefine;
        time_t          notedate;
        int             noteline;
};
//copied from FB2000

int record_user_name(char *username)
{
        FILE *fp;
        fp = fopen(_TEMP_FILE,"a");
        if(!fp) return 0;
        fprintf(fp,"%s\n",username);
        fclose(fp);
        return 1;
}

int is_user_exist(char *username)
{
        FILE *fp;
        char buf[100];
        fp = fopen(_TEMP_FILE,"r");
        if(!fp) return 0;
        while(fgets(buf,100,fp) >0){
                buf[strlen(buf)-1] = 0;
                if(!strcmp(buf,username)){
                        fclose(fp);
                        printf("warning:user %s already exist.\n",username);
                        return 1;
                }
        }
        fclose(fp);
        return 0;
}

void
upgradepasswd(char *fb2000_file,char *ytht_file)
{
        FILE *fr, *fw;
        struct FB2000userec fb2000;
        struct old_userec oldrec;
        struct userec rec;

        struct userdata data;
        struct in_addr in;
        int num = 0;
        char buf[20];

        memset(&oldrec,0,sizeof(struct userec));        

        fr = fopen(fb2000_file, "r");
        if (NULL == fr) {
                printf("Can't open passwd file for read!\n");
                exit(1);
        }
        fw = fopen(ytht_file, "w");
        if (NULL == fw) {
                printf("Can't open passwd file for write!\n");
                fclose(fr);
                exit(2);
        }

        oldrec.dietime = 0;
        oldrec.notemode_nouse = 0;
        bzero(oldrec.ip, 16);
        bzero(oldrec.unuse, 32);
        while (fread(&fb2000, sizeof (fb2000), 1, fr) == 1) {
                if (!fb2000.userid[0])
                        continue;
                if(is_user_exist(fb2000.userid)) continue;
                record_user_name(fb2000.userid);
                num++;
                //先转换为老的ytht数据结构
                snprintf(oldrec.userid, IDLEN + 2, "%s", fb2000.userid);
                oldrec.firstlogin = fb2000.firstlogin;
                snprintf(oldrec.lasthost, 16, "%s", fb2000.lasthost);
                oldrec.numlogins = fb2000.numlogins;
                oldrec.numposts = fb2000.numposts;
                memcpy(oldrec.flags, fb2000.flags, 2);
                memcpy(oldrec.passwd, fb2000.passwd, 16);
                memcpy(oldrec.username, fb2000.username, NAMELEN);
                oldrec.lastlogout = fb2000.lastlogout;
                oldrec.lastlogin = fb2000.lastlogin;
                oldrec.stay = fb2000.stay;
                memcpy(oldrec.realname, fb2000.realname, NAMELEN);
                oldrec.userlevel = fb2000.userlevel;
                memcpy(oldrec.address, fb2000.address, STRLEN);
                memcpy(oldrec.email, fb2000.email, STRLEN - 12);
                oldrec.signature = fb2000.signature;
                oldrec.userdefine = fb2000.userdefine;
                oldrec.userlevel = fb2000.userlevel;
                oldrec.notedate_nouse = fb2000.notedate;
                oldrec.noteline_nouse = fb2000.noteline;
                memcpy(oldrec.realmail, fb2000.reginfo, STRLEN - 16);

                //再转换为新ytht数据结构
                bzero(&rec, sizeof(rec));
                bzero(&data, sizeof(data));
                strcpy(rec.userid, oldrec.userid);
                memcpy(rec.flags, oldrec.flags, 2);
                rec.firstlogin = oldrec.firstlogin;
                rec.lastlogin = oldrec.lastlogin;
                rec.lastlogout = oldrec.lastlogout;
                if (oldrec.dietime) {
                        rec.dieday = 1;
                } else {
                        rec.dieday = 0;
                }
                if (oldrec.signature) {
                        sprintf(buf, "%d", oldrec.signature);
                        saveuservalue(oldrec.userid, "signature", buf);
                }
                if (inet_aton(oldrec.lasthost, &in))
                        rec.lasthost = in.s_addr;
                strcpy(rec.username, oldrec.username);
                rec.numdays = oldrec.numdays;
                rec.numlogins = oldrec.numlogins;
                rec.numposts = oldrec.numposts;
                rec.stay = oldrec.stay;
                rec.userlevel = oldrec.userlevel;
                if (inet_aton(oldrec.ip, &in))
                        rec.ip = in.s_addr;
                rec.userdefine = oldrec.userdefine;
                memcpy(rec.passwd, oldrec.passwd, OLDPASSLEN);
                strncpy(data.realmail, oldrec.realmail, 60);
                data.realmail[59] = 0;
                strncpy(data.email, oldrec.email, 60);
                data.email[59] = 0;
                strncpy(data.realname, oldrec.realname, 40);
                data.realname[39] = 0;
                strncpy(data.address, oldrec.address, 40);
                data.address[39] = 0;
                fwrite(&rec, sizeof (rec), 1, fw);
                saveuserdata(rec.userid, &data);
        }
        fclose(fr);
        fclose(fw);

        if (truncate(ytht_file, MAXUSERS * sizeof (struct userec)) == -1) {
                        printf("truncate .PASSWDS error.\n");
                        return;
        }
        unlink(_TEMP_FILE);
        printf("user num: %d\n",num);
        printf("MAXUSERS: %d\n",MAXUSERS);
        printf("struct userec size: %d\n",sizeof(struct userec));
        printf("PASSWD file size: %d\n",MAXUSERS * sizeof (struct userec));
}

int
main(int argc, char *argv[])
{
        if(argc <3){
                printf("Usage:%s fb2000_PASSWD ytht_PASSWD\n",argv[0]);
                exit(1);
        }
        upgradepasswd(argv[1],argv[2]);
        return 1;

}
--
FROM 202.194.15.*