path: root/mbbsd/friend.c

/* $Id$ */
#include "bbs.h"

/* ------------------------------------- */
/* 特別名單                              */
/* ------------------------------------- */

/* Ptt 其他特別名單的檔名 */
char     special_list[] = "list.0";
char     special_des[] = "ldes.0";

/* 特別名單的上限 */
static unsigned int friend_max[8] = {
    MAX_FRIEND,
    MAX_REJECT,
    MAX_LOGIN_INFO,
    MAX_POST_INFO,
    MAX_NAMELIST,
    MAX_FRIEND,
    MAX_NAMELIST,
    MAX_FRIEND,
};
/* 雖然好友跟壞人名單都是 * 2 但是一次最多load到shm只能有128 */


/* Ptt 各種特別名單的補述 */
static int    friend_desc[8] = {
    1033,
    1034,
    MAX_STRING - 1, /* NULL string*/
    MAX_STRING - 1,
    1035,
    1036,
    1037,
    1038
};

void
setfriendfile(char *fpath, int type)
{
    if (type <= 4)      /* user list Ptt */
    setuserfile(fpath, friend_file[type]);
    else            /* board list */
    setbfile(fpath, currboard, friend_file[type]);
}

static int
friend_count(char *fname)
{
    FILE           *fp;
    int             count = 0;
    char            buf[200];

    if ((fp = fopen(fname, "r"))) {
    while (fgets(buf, sizeof(buf), fp))
        count++;
    fclose(fp);
    }
    return count;
}

void
friend_add(char *uident, int type, char* des)
{
    char            fpath[80];

    setfriendfile(fpath, type);
    if (friend_count(fpath) > friend_max[type])
    return;

    if ((uident[0] > ' ') && !belong(fpath, uident)) {
    FILE           *fp;
    char            buf[40] = "";
    char            t_uident[IDLEN + 1];

    /* Thor: avoid uident run away when get data */
    strlcpy(t_uident, uident, sizeof(t_uident));

    if (type != FRIEND_ALOHA && type != FRIEND_POST){
           if(!des)
        getdata(2, 0, gettext[friend_desc[type]], buf, sizeof(buf), DOECHO);
           else
        getdata_str(2, 0, gettext[friend_desc[type]], buf, sizeof(buf), DOECHO, des);
    }

    if ((fp = fopen(fpath, "a"))) {
        flock(fileno(fp), LOCK_EX);
        fprintf(fp, "%-13s%s\n", t_uident, buf);
        flock(fileno(fp), LOCK_UN);
        fclose(fp);
    }
    }
}

void
friend_special(void)
{
    char            genbuf[70], i, fname[70];

    friend_file[FRIEND_SPECIAL] = special_list;
    for (i = 0; i <= 9; i++) {
    snprintf(genbuf, sizeof(genbuf), "  (\033[36m%d\033[m)  .. ", i);
    special_des[5] = i + '0';
    setuserfile(fname, special_des);
    if (dashf(fname)) {
        /* XXX no NULL check?? */
        FILE           *fp = fopen(fname, "r");

        assert(fp);
        fgets(genbuf + 15, 40, fp);
        genbuf[47] = 0;
        fclose(fp);
    }
    move(i + 12, 0);
    clrtoeol();
    outs(genbuf);
    }
    getdata(22, 0, gettext[1047], genbuf, 3, LCECHO);
    if (genbuf[0] >= '0' && genbuf[0] <= '9') {
    special_list[5] = genbuf[0];
    special_des[5] = genbuf[0];
    } else {
    special_list[5] = '0';
    special_des[5] = '0';
    }
}

static void
friend_append(int type, int count)
{
    char            fpath[80], i, j, buf[80], sfile[80];
    FILE           *fp, *fp1;

    setfriendfile(fpath, type);

    do {
    move(2, 0);
    clrtobot();
    outs(gettext[1048]);
    for (j = i = 0; i <= 4; i++)
        if (i != type) {
        ++j;
        prints("  (%d) %-s\n", j, gettext[1039 + (int)i]);
        }
    if (HAVE_PERM(PERM_SYSOP) || currmode & MODE_BOARD)
        for (; i < 8; ++i)
        if (i != type) {
            ++j;
            prints(gettext[1049], j, currboard,
                 gettext[1039 + (int)i]);
        }
    outs(gettext[1050]);
    getdata(11, 0, gettext[1051], buf, 3, LCECHO);
    if (!buf[0])
        return;
    if (buf[0] == 's')
        Select();
    j = buf[0] - '1';
    if (j >= type)
        j++;
    if (!(HAVE_PERM(PERM_SYSOP) || currmode & MODE_BOARD) && j >= 5)
        return;
    } while (buf[0] < '1' || buf[0] > '9');

    if (j == FRIEND_SPECIAL)
    friend_special();

    setfriendfile(sfile, j);

    if ((fp = fopen(sfile, "r")) != NULL) {
    while (fgets(buf, 80, fp) && (unsigned)count <= friend_max[type]) {
        char            the_id[15];

        sscanf(buf, "%s", the_id); // XXX check buffer size
        if (!belong(fpath, the_id)) {
        if ((fp1 = fopen(fpath, "a"))) {
            flock(fileno(fp1), LOCK_EX);
            fputs(buf, fp1);
            flock(fileno(fp1), LOCK_UN);
            fclose(fp1);
        }
        }
    }
    fclose(fp);
    }
}

void
friend_delete(char *uident, int type)
{
    FILE           *fp, *nfp = NULL;
    char            fn[80], fnnew[80];
    char            genbuf[200];

    setfriendfile(fn, type);

    sprintf(fnnew, "%s-", fn);
    if ((fp = fopen(fn, "r")) && (nfp = fopen(fnnew, "w"))) {
    int             length = strlen(uident);

    while (fgets(genbuf, STRLEN, fp))
        if ((genbuf[0] > ' ') && strncmp(genbuf, uident, length))
        fputs(genbuf, nfp);
    Rename(fnnew, fn);
    }
    if(fp)
    fclose(fp);
    if(nfp)
    fclose(nfp);
}

static void
friend_editdesc(char *uident, int type)
{
    FILE           *fp=NULL, *nfp=NULL;
    char            fnnew[200], genbuf[STRLEN], fn[200];
    setfriendfile(fn, type);
    snprintf(fnnew, sizeof(fnnew), "%s-", fn);
    if ((fp = fopen(fn, "r")) && (nfp = fopen(fnnew, "w"))) {
    int             length = strlen(uident);

    while (fgets(genbuf, STRLEN, fp)) {
        if ((genbuf[0] > ' ') && strncmp(genbuf, uident, length))
        fputs(genbuf, nfp);
        else if (!strncmp(genbuf, uident, length)) {
        char            buf[50] = "";
        getdata(2, 0, gettext[1052], buf, 40, DOECHO);
        fprintf(nfp, "%-13s%s\n", uident, buf);
        }
    }
    Rename(fnnew, fn);
    }
    if(fp)
    fclose(fp);
    if(nfp)
    fclose(nfp);
}

inline void friend_load_real(int tosort, int maxf,
                 short *destn, int *destar, char *fn)
{
    char    genbuf[200];
    FILE    *fp;
    short   nFriends = 0;
    int     uid, *tarray;

    setuserfile(genbuf, fn);
    if( (fp = fopen(genbuf, "r")) == NULL ){
    destar[0] = 0;
    if( destn )
        *destn = 0;
    }
    else{
    tarray = (int *)malloc(sizeof(int) * maxf);
    --maxf; /* 因為最後一個要填 0, 所以先扣一個回來 */
    while( fgets(genbuf, STRLEN, fp) && nFriends < maxf )
        if( strtok(genbuf, str_space) &&
        (uid = searchuser(genbuf)) )
        tarray[nFriends++] = uid;
    fclose(fp);

    if( tosort )
        qsort(tarray, nFriends, sizeof(int), qsort_intcompar);
    if( destn )
        *destn = nFriends;
    tarray[nFriends] = 0;
    memcpy(destar, tarray, sizeof(int) * (nFriends + 1));
    free(tarray);
    }
}

/* type == 0 : load all */
void friend_load(int type)
{
    if (!type || type & FRIEND_OVERRIDE)
    friend_load_real(1, MAX_FRIEND, &currutmp->nFriends,
             currutmp->friend, fn_overrides);

    if (!type || type & FRIEND_REJECT)
    friend_load_real(0, MAX_REJECT, NULL, currutmp->reject, fn_reject);

    if (currutmp->friendtotal)
    logout_friend_online(currutmp);
    login_friend_online();
}

static void
friend_water(char *message, int type)
{               /* 群體水球 added by Ptt */
    char            fpath[80], line[80], userid[IDLEN + 1];
    FILE           *fp;

    setfriendfile(fpath, type);
    if ((fp = fopen(fpath, "r"))) {
    while (fgets(line, 80, fp)) {
        userinfo_t     *uentp;
        int             tuid;

        sscanf(line, "%s", userid); // XXX check buffer size
        if ((tuid = searchuser(userid)) && tuid != usernum &&
        (uentp = (userinfo_t *) search_ulist(tuid)) &&
        isvisible_uid(tuid))
        my_write(uentp->pid, message, uentp->userid, 1, NULL);
    }
    fclose(fp);
    }
}

void
friend_edit(int type)
{
    char            fpath[80], line[80], uident[20];
    int             count, column, dirty;
    FILE           *fp;
    char            genbuf[200];

    if (type == FRIEND_SPECIAL)
    friend_special();
    setfriendfile(fpath, type);

    if (type == FRIEND_ALOHA || type == FRIEND_POST) {
    if (dashf(fpath)) {
            sprintf(genbuf,"%s.old",fpath);
            Copy(fpath, genbuf);
    }
    }
    dirty = 0;
    while (1) {
    stand_title(gettext[1039 + type]);
    move(0, 40);
    prints(gettext[1053], friend_max[type]);
    count = 0;
    CreateNameList();

    if ((fp = fopen(fpath, "r"))) {
        move(3, 0);
        column = 0;
        while (fgets(genbuf, STRLEN, fp)) {
        if (genbuf[0] <= ' ')
            continue;
        strtok(genbuf, str_space);
        AddNameList(genbuf);
        prints("%-13s", genbuf);
        count++;
        if (++column > 5) {
            column = 0;
            outc('\n');
        }
        }
        fclose(fp);
    }
    getdata(1, 0, (count ?
               gettext[1054] :
               gettext[1055]),
        uident, 3, LCECHO);
    if (*uident == 'a') {
        move(1, 0);
        usercomplete(msg_uid, uident);
        if (uident[0] && searchuser(uident) && !InNameList(uident)) {
        friend_add(uident, type, NULL);
        dirty = 1;
        }
    } else if (*uident == 'p') {
        friend_append(type, count);
        dirty = 1;
    } else if (*uident == 'e' && count) {
        move(1, 0);
        namecomplete(msg_uid, uident);
        if (uident[0] && InNameList(uident)) {
        friend_editdesc(uident, type);
        }
    } else if (*uident == 'd' && count) {
        move(1, 0);
        namecomplete(msg_uid, uident);
        if (uident[0] && InNameList(uident)) {
        friend_delete(uident, type);
        dirty = 1;
        }
    } else if (*uident == 'l' && count)
        more(fpath, YEA);
    else if (*uident == 'k' && count) {
        getdata(2, 0, gettext[1056], uident, 3,
            LCECHO);
        if (*uident == 'a')
        unlink(fpath);
        dirty = 1;
    } else if (*uident == 'w' && count) {
        char            wall[60];
        if (!getdata(0, 0, gettext[1057], wall, sizeof(wall), DOECHO))
        continue;
        if (getdata(0, 0, gettext[1058], line, 4, LCECHO) &&
        *line == 'n')
        continue;
        friend_water(wall, type);
    } else
        break;
    }
    if (dirty) {
    move(2, 0);
    outs(gettext[1059]);
    refresh();
    if (type == FRIEND_ALOHA || type == FRIEND_POST) {
        snprintf(genbuf, sizeof(genbuf), "%s.old", fpath);
        if ((fp = fopen(genbuf, "r"))) {
        while (fgets(line, 80, fp)) {
            sscanf(line, "%s", uident); // XXX check buffer size
            sethomefile(genbuf, uident,
                 type == FRIEND_ALOHA ? "aloha" : "postnotify");
            del_distinct(genbuf, cuser.userid);
        }
        fclose(fp);
        }
        snprintf(genbuf, sizeof(genbuf), "%s", fpath);
        if ((fp = fopen(genbuf, "r"))) {
        while (fgets(line, 80, fp)) {
            sscanf(line, "%s", uident); // XXX check buffer size
            sethomefile(genbuf, uident,
                 type == FRIEND_ALOHA ? "aloha" : "postnotify");
            add_distinct(genbuf, cuser.userid);
        }
        fclose(fp);
        }
    } else if (type == FRIEND_SPECIAL) {
        genbuf[0] = 0;
        setuserfile(line, special_des);
        if ((fp = fopen(line, "r"))) {
        fgets(genbuf, 30, fp);
        fclose(fp);
        }
        getdata_buf(2, 0, gettext[1060], genbuf, 30,
            DOECHO);
        if ((fp = fopen(line, "w"))) {
        fprintf(fp, "%s", genbuf);
        fclose(fp);
        }
    }
    friend_load(0);
    }
}

int
t_override()
{
    friend_edit(FRIEND_OVERRIDE);
    return 0;
}

int
t_reject()
{
    friend_edit(FRIEND_REJECT);
    return 0;
}