path: root/mbbsd/announce.c

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

// XXX piaip 2007/12/29
// 最近發現很多 code 都死在 announce
// 因為進來要看 lastlevel 而非 currbid
// user 可能一進 BBS 直殺郵件->mail_cite->進精華區
// 於是就爆炸 
// 同理 currboard 也不該用
// 請改用 me.bid (注意 me.bid 可能為 0, 表示進來的非看板。)
//
// XXX 9999 麻煩想個方式改掉

// for max file size limitation here, see edit.c
#define MAX_FILE_SIZE (32768*1024)

/* copy temp queue operation -------------------------------------- */

/* TODO
 * change this to char* instead of char[]
 */
typedef struct {
    char     copyfile[PATHLEN];
    char     copytitle[TTLEN + 1];
    char     copyowner[IDLEN + 2];
} CopyQueue ;

#define COPYQUEUE_COMMON_SIZE (10)

static CopyQueue *copyqueue;
static int allocated_copyqueue = 0, used_copyqueue = 0, head_copyqueue = 0;

int copyqueue_testin(CopyQueue *pcq)
{
    int i = 0;
    for (i = head_copyqueue; i < used_copyqueue; i++)
    if (strcmp(pcq->copyfile, copyqueue[i].copyfile) == 0)
        return 1;
    return 0;
}

int copyqueue_locate(CopyQueue *pcq)
{
    int i = 0;
    for (i = head_copyqueue; i < used_copyqueue; i++)
    if (strcmp(pcq->copyfile, copyqueue[i].copyfile) == 0)
        return i;
    return -1;
}

int copyqueue_fileinqueue(const char *fn)
{
    int i = 0;
    for (i = head_copyqueue; i < used_copyqueue; i++)
    if (strcmp(fn, copyqueue[i].copyfile) == 0)
        return 1;
    return 0;
}

void copyqueue_reset()
{
    allocated_copyqueue = 0;
    used_copyqueue = 0; 
    head_copyqueue = 0;
}

int copyqueue_append(CopyQueue *pcq)
{
    if(copyqueue_testin(pcq))
    return 0;
    if(head_copyqueue == used_copyqueue) 
    {
    // empty queue, happy happy reset
    if(allocated_copyqueue > COPYQUEUE_COMMON_SIZE)
    {
        // let's reduce it
        allocated_copyqueue = COPYQUEUE_COMMON_SIZE;
        copyqueue = (CopyQueue*)realloc( copyqueue,
              allocated_copyqueue * sizeof(CopyQueue));
    }
    head_copyqueue = used_copyqueue = 0;
    }
    used_copyqueue ++;

    if(used_copyqueue > allocated_copyqueue)
    {
    allocated_copyqueue = 
        used_copyqueue + COPYQUEUE_COMMON_SIZE; // half page
    copyqueue = (CopyQueue*) realloc (copyqueue,
        sizeof(CopyQueue) * allocated_copyqueue);
    if(!copyqueue)
    {
        vmsg("記憶體不足，拷貝失敗");
        // try to reset
        copyqueue_reset();
        if(copyqueue) free(copyqueue);
        copyqueue = NULL;
        return 0;
    }
    }
    memcpy(&(copyqueue[used_copyqueue-1]), pcq, sizeof(CopyQueue));
    return 1;
}

int copyqueue_toggle(CopyQueue *pcq)
{
    int i = copyqueue_locate(pcq);
    if(i >= 0)
    {
#if 0
    if (vans("已標記過此檔，要取消標記嗎 [y/N]: ") != 'y')
        return 1;
#endif
    /* remove it */
    used_copyqueue --;
    if(head_copyqueue > used_copyqueue)
        head_copyqueue =used_copyqueue;
    if (i < used_copyqueue)
    {
        memcpy(copyqueue + i, copyqueue+i+1, 
            sizeof(CopyQueue) * (used_copyqueue - i));
    }
    return 0;
    } else {
    copyqueue_append(pcq);
    }
    return 1;
}

CopyQueue *copyqueue_gethead()
{
    if( used_copyqueue <= 0 ||
    head_copyqueue >= used_copyqueue)
    return NULL;
    return &(copyqueue[head_copyqueue++]);
}

int copyqueue_querysize()
{
    if( used_copyqueue <= 0 ||
    head_copyqueue >= used_copyqueue)
    return 0;
    return (used_copyqueue - head_copyqueue);
}

/* end copy temp queue operation ----------------------------------- */

void
a_copyitem(const char *fpath, const char *title, const char *owner, int mode)
{
    CopyQueue cq;
    static int flFirstAlert = 1;

    memset(&cq, 0, sizeof(CopyQueue));
    strcpy(cq.copyfile, fpath);
    strcpy(cq.copytitle, title);
    if (owner)
    strcpy(cq.copyowner, owner);

    //copyqueue_append(&cq);
    copyqueue_toggle(&cq);
    if (mode && flFirstAlert) {
#if 0
    move(b_lines-2, 0); clrtoeol();
    prints("目前已標記 %d 個檔案。[注意] 拷貝後才能刪除原文!",
        copyqueue_querysize());
#else
    vmsg("[注意] 提醒您複製/標記後要貼上(p)或附加(a)後才能刪除原文!");
    flFirstAlert = 0;
#endif
    }
}

#define FHSZ            sizeof(fileheader_t)

static int
a_loadname(menu_t * pm)
{
    char            buf[PATHLEN];
    int             len;

    if(p_lines != pm->header_size) {
    pm->header_size = p_lines;
    pm->header = (fileheader_t *) realloc(pm->header, pm->header_size*FHSZ);
    assert(pm->header);
    }

    setadir(buf, pm->path);
    len = get_records(buf, pm->header, FHSZ, pm->page + 1, pm->header_size); // XXX if get_records() return -1

    // if len < 0, the directory is not valid anymore.
    if (len < 0)
    return 0;

    if (len < pm->header_size)
    bzero(&pm->header[len], FHSZ * (pm->header_size - len));
    return 1;
}

static void
a_timestamp(char *buf, const time4_t *time)
{
    struct tm pt;

    localtime4_r(time, &pt);
    sprintf(buf, "%02d/%02d/%02d", pt.tm_mon + 1, pt.tm_mday, (pt.tm_year + 1900) % 100);
}

static int
a_showmenu(menu_t * pm)
{
    char           *title, *editor;
    int             n;
    fileheader_t   *item;
    time4_t         dtime;

    showtitle("精華文章", pm->mtitle);
    prints("   " ANSI_COLOR(1;36) "編號    標      題%56s" ANSI_COLOR(0),
       "編    選      日    期");

    if (!pm->num)
    {
    outs("\n  《精華區》尚在吸取天地間的日月精華中... :)");
    }
    else
    {
    char buf[PATHLEN];

    // determine if path is valid.
    if (!a_loadname(pm))
        return 0;

    for (n = 0; n < p_lines && pm->page + n < pm->num; n++) {
        int flTagged = 0;
        item = &pm->header[n];
        title = item->title;
        editor = item->owner;
        /*
         * Ptt 把時間改為取檔案時間 dtime = atoi(&item->filename[2]);
         */
        snprintf(buf, sizeof(buf), "%s/%s", pm->path, item->filename);
        if(copyqueue_querysize() > 0 && copyqueue_fileinqueue(buf))
        {
        flTagged = 1;
        }
        dtime = dasht(buf);
        a_timestamp(buf, &dtime);
        prints("\n%6d%c%c%-47.46s%-13s[%s]", pm->page + n + 1,
           (item->filemode & FILE_BM) ? 'X' :
           (item->filemode & FILE_HIDE) ? ')' : '.',
           flTagged ? 'c' : ' ',
           title, editor,
           buf);
    }
    }

    move(b_lines, 0);
    if(copyqueue_querysize() > 0)
    {       // something in queue
    char buf[STRLEN];
    snprintf(buf, sizeof(buf),  "【已標記(複製) %d 項】", copyqueue_querysize());
    vs_footer(buf, pm->level == 0 ?
        " (c)標記/複製 - 無管理權限，無法貼上 " :
        " (c)標記/複製 (p)貼上/取消/重設標記 (a)附加至文章後\t(q/←)離開 (h)說明");
    } 
    else if(pm->level)
    {       // BM
    vs_footer(" 【板  主】 ",
        " (n)新增文章 (g)新增目錄 (e)編輯檔案\t(q/←)離開 (h)說明");
    }
    else
    {       // normal user
    vs_footer(" 【功\能鍵】 ",
        " (k↑j↓)移動游標 (enter/→)讀取資料\t(q/←)離開 (h)說明");
    }
    return 1;
}

static int
a_searchtitle(menu_t * pm, int rev)
{
    static char     search_str[40] = "";
    int             pos;

    getdata(b_lines - 1, 1, "[搜尋]關鍵字:", search_str, sizeof(search_str), DOECHO);

    if (!*search_str)
    return pm->now;

    str_lower(search_str, search_str);

    rev = rev ? -1 : 1;
    pos = pm->now;
    do {
    pos += rev;
    if (pos == pm->num)
        pos = 0;
    else if (pos < 0)
        pos = pm->num - 1;
    if (pos < pm->page || pos >= pm->page + p_lines) {
        pm->page = pos - pos % p_lines;

        if (!a_loadname(pm))
        return pm->now;
    }
    if (DBCS_strcasestr(pm->header[pos - pm->page].title, search_str))
        return pos;
    } while (pos != pm->now);
    return pm->now;
}

enum {
    NOBODY, MANAGER, SYSOP
};

static void
a_showhelp(int level)
{
    clear();
    outs(ANSI_COLOR(36) "【 " BBSNAME "公佈欄使用說明 】" ANSI_RESET "\n\n"
     "[←][q]         離開到上一層目錄\n"
     "[↑][k]         上一個選項\n"
     "[↓][j]         下一個選項\n"
     "[→][r][enter]  進入目錄／讀取文章\n"
     "[^B][PgUp]      上頁選單\n"
     "[^F][PgDn][Spc] 下頁選單\n"
     "[##]            移到該選項\n"
     "[F][U]          將文章寄回 Internet 郵箱/"
     "將文章 uuencode 後寄回郵箱\n");
    if (level >= MANAGER) {
    outs("\n" ANSI_COLOR(36) "【 板主專用鍵 】" ANSI_RESET "\n"
         "[H]             切換為 公開/會員/板主 才能閱\讀\n"
         "[n/g/G]         收錄精華文章/開闢目錄/建立連線\n"
         "[m/d/D]         移動/刪除文章/刪除一個範圍的文章\n"
         "[f/T/e]         編輯標題符號/修改文章標題/內容\n"
         "[c/p/a]         精華區內 標記(複製)/貼上(可多篇)/附加單篇文章\n"
         "[^P/^A]         貼上/附加精華區外已用't'標記文章\n");
    }
    if (level >= SYSOP) {
    outs("\n" ANSI_COLOR(36) "【 站長專用鍵 】" ANSI_RESET "\n"
         "[l]             建 symbolic link\n"
         "[N]             查詢檔名\n");
    }
    pressanykey();
}

static void
a_forward(const char *path, const fileheader_t * pitem, int mode)
{
    fileheader_t    fhdr;

    strlcpy(fhdr.filename, pitem->filename, sizeof(fhdr.filename));
    strlcpy(fhdr.title, pitem->title, sizeof(fhdr.title));
    switch (doforward(path, &fhdr, mode)) {
    case 0:
    outmsg(msg_fwd_ok);
    break;
    case -1:
    outmsg(msg_fwd_err1);
    break;
    case -2:
    outmsg(msg_fwd_err2);
    break;
    }
}

static void
a_additem(menu_t * pm, const fileheader_t * myheader)
{
    char            buf[PATHLEN];

    setadir(buf, pm->path);
    if (append_record(buf, myheader, FHSZ) == -1)
    return;
    pm->now = pm->num++;

    if (pm->now >= pm->page + p_lines) {
    pm->page = pm->now - ((pm->page == 10000 && pm->now > p_lines / 2) ?
                  (p_lines / 2) : (pm->now % p_lines));
    }
    /* Ptt */
    strlcpy(pm->header[pm->now - pm->page].filename,
        myheader->filename,
        sizeof(pm->header[pm->now - pm->page].filename));
}

#define ADDITEM         0
#define ADDGROUP        1

static void
a_newitem(menu_t * pm, int mode)
{
    char    *mesg[3] = {
    "[新增文章] 請輸入標題：",    /* ADDITEM */
    "[新增目錄] 請輸入標題：",    /* ADDGROUP */
    };

    char            fpath[PATHLEN];
    fileheader_t    item;

    strlcpy(fpath, pm->path, sizeof(fpath));
    if (strlen(pm->path) + FNLEN*2 >= PATHLEN)
    return;

    switch (mode) {
    case ADDITEM:
    stampfile(fpath, &item);
    strlcpy(item.title, "◇ ", sizeof(item.title));    /* A1BA */
    break;

    case ADDGROUP:
    stampdir(fpath, &item);
    strlcpy(item.title, "◆ ", sizeof(item.title));    /* A1BB */
    break;
    }

    if (!getdata(b_lines - 1, 1, mesg[mode], &item.title[3], 55, DOECHO)) {
    if (mode == ADDGROUP)
        rmdir(fpath);
    else
        unlink(fpath);
    return;
    }
    switch (mode) {
    case ADDITEM:
    {
        int edflags = 0;
# ifdef BN_BBSMOVIE
        if (pm && pm->bid && 
        strcmp(getbcache(pm->bid)->brdname, 
            BN_BBSMOVIE) == 0)
        {
        edflags |= EDITFLAG_UPLOAD;
        edflags |= EDITFLAG_ALLOWLARGE;
        }
# endif // BN_BBSMOVIE
        if (vedit2(fpath, 0, NULL, edflags) == -1) {
        unlink(fpath);
        pressanykey();
        return;
        }
    }
    break;
    case ADDGROUP:
    // do nothing
    break;
    }

    strlcpy(item.owner, cuser.userid, sizeof(item.owner));
    a_additem(pm, &item);
}

void
a_pasteitem(menu_t * pm, int mode)
{
    char            newpath[PATHLEN];
    char            buf[PATHLEN];
    char            ans[2], skipAll = 0, multiple = 0;
    int             i, copied = 0;
    fileheader_t    item;

    CopyQueue *cq;

    move(b_lines - 1, 0);
    if(copyqueue_querysize() <= 0)
    {
    vmsg("請先執行複製(copy)命令後再貼上(paste)");
    return;
    }
    if(mode && copyqueue_querysize() > 1)
    {
    multiple = 1;
    move(b_lines-2, 0); clrtobot();
    outs("c: 對各項目個別確認是否要貼上, z: 全部不貼，同時重設並取消全部標記\n");
    snprintf(buf, sizeof(buf),
        "確定要貼上全部共 %d 個項目嗎 (c/z/y/N)？ ", 
        copyqueue_querysize());
    getdata(b_lines - 1, 0, buf, ans, sizeof(ans), LCECHO);
    if(ans[0] == 'y')
        skipAll = 1;
    else if(ans[0] == 'z')
    {
        copyqueue_reset();
        vmsg("已重設複製記錄。");
        return;
    }
    else if (ans[0] != 'c')
        return;
    clear();
    }
    while (copyqueue_querysize() > 0)
    {
    cq = copyqueue_gethead();
    if(!cq->copyfile[0])
        continue;
    if(mode && multiple)
    {
        scroll();
        move(b_lines-2, 0); clrtobot();
        prints("%d. %s\n", ++copied,cq->copytitle);

    }

    if (dashd(cq->copyfile)) {
        for (i = 0; cq->copyfile[i] && cq->copyfile[i] == pm->path[i]; i++);
        if (!cq->copyfile[i]) {
        vmsg("將目錄拷進自己的子目錄中，會造成無窮迴圈！");
        continue;
        }
    }
    if (mode && !skipAll) {
        snprintf(buf, sizeof(buf),
             "確定要拷貝[%s]嗎(Y/N)？[N] ", cq->copytitle);
        getdata(b_lines - 1, 0, buf, ans, sizeof(ans), LCECHO);
    } else
        ans[0] = 'y';
    if (ans[0] == 'y') {
        strlcpy(newpath, pm->path, sizeof(newpath));

        if (*cq->copyowner) {
        char           *fname = strrchr(cq->copyfile, '/');

        if (fname)
            strcat(newpath, fname);
        else
            return;
        if (access(pm->path, X_OK | R_OK | W_OK))
            mkdir(pm->path, 0755);
        memset(&item, 0, sizeof(fileheader_t));
        strlcpy(item.filename, fname + 1, sizeof(item.filename));
        memcpy(cq->copytitle, "◎", 2);
        Copy(cq->copyfile, newpath);
        } else if (dashf(cq->copyfile)) {
        stampfile(newpath, &item);
        memcpy(cq->copytitle, "◇", 2);
                Copy(cq->copyfile, newpath);
        } else if (dashd(cq->copyfile)) {
        stampdir(newpath, &item);
        memcpy(cq->copytitle, "◆", 2);
        copy_file(cq->copyfile, newpath);
        } else {
        copyqueue_reset();
        vmsg("無法拷貝！");
        return;
        }
        strlcpy(item.owner, *cq->copyowner ? cq->copyowner : cuser.userid,
            sizeof(item.owner));
        strlcpy(item.title, cq->copytitle, sizeof(item.title));
        a_additem(pm, &item);
        cq->copyfile[0] = '\0';
    }
    }
}

static void
a_appenditem(const menu_t * pm, int isask)
{
    char            fname[PATHLEN];
    char            buf[ANSILINELEN];
    char            ans[2] = "y";
    FILE           *fp, *fin;

    move(b_lines - 1, 0);
    if(copyqueue_querysize() <= 0)
    {
    vmsg("請先執行 copy 命令後再 append");
    copyqueue_reset();
    return;
    } 
    else
    {
    CopyQueue *cq = copyqueue_gethead();
    off_t sz;

    if (!dashf(cq->copyfile)) {
        vmsg("目錄不得附加於檔案後！");
        return;
    }

    snprintf(fname, sizeof(fname), "%s/%s", pm->path,
        pm->header[pm->now - pm->page].filename);

    // if same file, abort.
    if (!dashf(fname) || strcmp(fname, cq->copyfile) == 0) {
        vmsg("檔案不得附加於此！");
        return;
    }

    // fname = destination
    sz = dashs(fname);
    if (sz >= MAX_FILE_SIZE)
    {
        vmsg("檔案已超過最大限制，無法再附加");
        return;
    }

    if (isask) {
        snprintf(buf, sizeof(buf),
            "確定要將[%s]附加於此嗎(Y/N)？[N] ", cq->copytitle);
        getdata(b_lines - 2, 1, buf, ans, sizeof(ans), LCECHO);
    }

    if (ans[0] != 'y' || !(fp = fopen(fname, "a+")))
        return;

    if (!(fin = fopen(cq->copyfile, "r"))) {
        fclose(fp);
        return;
    }
    // cq->copyfile = input
    sz = dashs(cq->copyfile);

    memset(buf, '-', 74);
    buf[74] = '\0';
    fprintf(fp, "\n> %s <\n\n", buf);
    if (isask)
        getdata(b_lines - 1, 1,
            "是否收錄簽名檔部份(Y/N)？[Y] ",
            ans, sizeof(ans), LCECHO);

    // XXX reported by Kinra, appending same file may cause endless loop here.
    // we check file name at prior steps and do file size check here.
    while (sz > 0 && fgets(buf, sizeof(buf), fin)) {
        sz -= strlen(buf);
        if ((ans[0] == 'n') &&
            !strcmp(buf, "--\n"))
        break;
        fputs(buf, fp);
    }
    fclose(fin);
    fclose(fp);
    cq->copyfile[0] = '\0';
    }
}

static int
a_pastetagpost(menu_t * pm, int mode)
{
    fileheader_t    fhdr;
    boardheader_t  *bh = NULL;
    int             ans = 0, ent = 0, tagnum;
    char            title[TTLEN + 1] = "◇  ";
    char            dirname[PATHLEN], buf[PATHLEN];

    if (TagBoard == 0){
    sethomedir(dirname, cuser.userid);
    }
    else{
    bh = getbcache(TagBoard);
    setbdir(dirname, bh->brdname);
    }
    tagnum = TagNum;

    // prevent if anything wrong
    if (tagnum > MAXTAGS || tagnum < 0)
    {
    vmsg("內部錯誤。請把你剛剛進行的完整步驟貼到 "
        BN_BUGREPORT " 板。");
    return ans;
    }

    if (tagnum < 1)
    return ans;

    /* since we use different tag features,
     * copyqueue is not required/used. */
    copyqueue_reset();

    while (tagnum-- > 0) {
    memset(&fhdr, 0, sizeof(fhdr));
    EnumTagFhdr(&fhdr, dirname, ent++);

    // XXX many process crashed here as fhdr.filename[0] == 0
    // let's workaround it? or trace?
    // if (!fhdr->filename[0])
        //   continue;
    
    if (!fhdr.filename[0])
    {
        grayout(0, b_lines-2, GRAYOUT_DARK);
        move(b_lines-1, 0); clrtobot();
        prints("第 %d 項處理發生錯誤。 請把你剛剛進行的完整步驟貼到 "
            BN_BUGREPORT " 板。\n", ent);
        vmsg("忽略錯誤並繼續進行。");
        continue;
    }

    if (TagBoard == 0) 
        sethomefile(buf, cuser.userid, fhdr.filename);
    else
        setbfile(buf, bh->brdname, fhdr.filename);

    if (dashf(buf)) {
        strlcpy(title + 3, fhdr.title, sizeof(title) - 3);
        a_copyitem(buf, title, 0, 0);
        if (mode) {
        mode--;
        a_pasteitem(pm, 0);
        } else
        a_appenditem(pm, 0);
        ++ans;
        UnTagger(tagnum);
    }
    }

    return ans;
}

static void
a_moveitem(menu_t * pm)
{
    fileheader_t   *tmp;
    char            newnum[5];
    int             num, max, min;
    char            buf[PATHLEN];
    int             fail;

    snprintf(buf, sizeof(buf), "請輸入第 %d 選項的新次序：", pm->now + 1);
    if (!getdata(b_lines - 1, 1, buf, newnum, sizeof(newnum), DOECHO))
    return;
    num = (newnum[0] == '$') ? 9999 : atoi(newnum) - 1;
    if (num >= pm->num)
    num = pm->num - 1;
    else if (num < 0)
    num = 0;
    setadir(buf, pm->path);
    min = num < pm->now ? num : pm->now;
    max = num > pm->now ? num : pm->now;
    tmp = (fileheader_t *) calloc(max + 1, FHSZ);

    fail = 0;
    if (get_records(buf, tmp, FHSZ, 1, min) != min)
    fail = 1;
    if (num > pm->now) {
    if (get_records(buf, &tmp[min], FHSZ, pm->now + 2, max - min) != max - min)
        fail = 1;
    if (get_records(buf, &tmp[max], FHSZ, pm->now + 1, 1) != 1)
        fail = 1;
    } else {
    if (get_records(buf, &tmp[min], FHSZ, pm->now + 1, 1) != 1)
        fail = 1;
    if (get_records(buf, &tmp[min + 1], FHSZ, num + 1, max - min) != max - min)
        fail = 1;
    }
    if (!fail)
    substitute_record(buf, tmp, FHSZ * (max + 1), 1);
    pm->now = num;
    free(tmp);
}

static void
a_delrange(menu_t * pm)
{
    char            fname[PATHLEN];

    snprintf(fname, sizeof(fname), "%s/" FN_DIR, pm->path);
    del_range(0, NULL, fname);
    pm->num = get_num_records(fname, FHSZ);
}

static void
a_delete(menu_t * pm)
{
    char            fpath[PATHLEN], buf[PATHLEN], cmd[PATHLEN];
    char            ans[4];
    fileheader_t    backup;

    snprintf(fpath, sizeof(fpath),
         "%s/%s", pm->path, pm->header[pm->now - pm->page].filename);
    setadir(buf, pm->path);

    if (pm->header[pm->now - pm->page].filename[0] == 'H' &&
    pm->header[pm->now - pm->page].filename[1] == '.') {
    getdata(b_lines - 1, 1, "您確定要刪除此精華區連線嗎(Y/N)？[N] ",
        ans, sizeof(ans), LCECHO);
    if (ans[0] != 'y')
        return;
    if (delete_record(buf, FHSZ, pm->now + 1) == -1)
        return;
    } else if (dashl(fpath)) {
    getdata(b_lines - 1, 1, "您確定要刪除此 symbolic link 嗎(Y/N)？[N] ",
        ans, sizeof(ans), LCECHO);
    if (ans[0] != 'y')
        return;
    if (delete_record(buf, FHSZ, pm->now + 1) == -1)
        return;
    unlink(fpath);
    } else if (dashf(fpath)) {
    getdata(b_lines - 1, 1, "您確定要刪除此檔案嗎(Y/N)？[N] ", ans,
        sizeof(ans), LCECHO);
    if (ans[0] != 'y')
        return;
    if (delete_record(buf, FHSZ, pm->now + 1) == -1)
        return;

    setbpath(buf, BN_DELETED);
    stampfile(buf, &backup);
    strlcpy(backup.owner, cuser.userid, sizeof(backup.owner));
    strlcpy(backup.title,
        pm->header[pm->now - pm->page].title + 2,
        sizeof(backup.title));

    snprintf(cmd, sizeof(cmd),
         "mv -f %s %s", fpath, buf);
    system(cmd);
    setbdir(buf, BN_DELETED);
    append_record(buf, &backup, sizeof(backup));
    setbtotal(getbnum(BN_DELETED));
    } else if (dashd(fpath)) {
    getdata(b_lines - 1, 1, "您確定要刪除整個目錄嗎(Y/N)？[N] ", ans,
        sizeof(ans), LCECHO);
    if (ans[0] != 'y')
        return;
    if (delete_record(buf, FHSZ, pm->now + 1) == -1)
        return;

    setapath(buf, BN_DELETED);
    stampdir(buf, &backup);

    snprintf(cmd, sizeof(cmd),
         "rm -rf %s;/bin/mv -f %s %s", buf, fpath, buf);
    system(cmd);

    strlcpy(backup.owner, cuser.userid, sizeof(backup.owner));
        strcpy(backup.title, "◆");
    strlcpy(backup.title + 2,
        pm->header[pm->now - pm->page].title + 2,
        sizeof(backup.title) - 3);

    /* merge setapath(buf, BN_DELETED); setadir(buf, buf); */
    snprintf(buf, sizeof(buf), "man/boards/%c/%s/" FN_DIR,
         'd', BN_DELETED);
    append_record(buf, &backup, sizeof(backup));
    } else {            /* Ptt 損毀的項目 */
    getdata(b_lines - 1, 1, "您確定要刪除此損毀的項目嗎(Y/N)？[N] ",
        ans, sizeof(ans), LCECHO);
    if (ans[0] != 'y')
        return;
    if (delete_record(buf, FHSZ, pm->now + 1) == -1)
        return;
    }
    pm->num--;
}

static void
a_newtitle(const menu_t * pm)
{
    char            buf[PATHLEN];
    fileheader_t    item;

    memcpy(&item, &pm->header[pm->now - pm->page], FHSZ);
    strlcpy(buf, item.title + 3, sizeof(buf));
    if (getdata_buf(b_lines - 1, 0, "   新標題: ", buf, 60, DOECHO)) {
    strlcpy(item.title + 3, buf, sizeof(item.title) - 3);
    setadir(buf, pm->path);
    substitute_record(buf, &item, FHSZ, pm->now + 1);
    }
}
static void
a_hideitem(const menu_t * pm)
{
    fileheader_t   *item = &pm->header[pm->now - pm->page];
    char            buf[PATHLEN];
    if (item->filemode & FILE_BM) {
    item->filemode &= ~FILE_BM;
    item->filemode &= ~FILE_HIDE;
    } else if (item->filemode & FILE_HIDE)
    item->filemode |= FILE_BM;
    else
    item->filemode |= FILE_HIDE;
    setadir(buf, pm->path);
    substitute_record(buf, item, FHSZ, pm->now + 1);
}
static void
a_editsign(const menu_t * pm)
{
    char            buf[PATHLEN];
    fileheader_t    item;

    memcpy(&item, &pm->header[pm->now - pm->page], FHSZ);
    snprintf(buf, sizeof(buf), "%c%c", item.title[0], item.title[1]);
    if (getdata_buf(b_lines - 1, 1, "符號", buf, 5, DOECHO)) {
    item.title[0] = buf[0] ? buf[0] : ' ';
    item.title[1] = buf[1] ? buf[1] : ' ';
    item.title[2] = buf[2] ? buf[2] : ' ';
    setadir(buf, pm->path);
    substitute_record(buf, &item, FHSZ, pm->now + 1);
    }
}

static void
a_showname(const menu_t * pm)
{
    char            buf[PATHLEN];
    int             len;
    int             i;
    int             sym;

    move(b_lines - 1, 0);
    snprintf(buf, sizeof(buf),
         "%s/%s", pm->path, pm->header[pm->now - pm->page].filename);
    if (dashl(buf)) {
    prints("此 symbolic link 名稱為 %s\n",
           pm->header[pm->now - pm->page].filename);
    if ((len = readlink(buf, buf, PATHLEN - 1)) >= 0) {
        buf[len] = '\0';
        for (i = 0; BBSHOME[i] && buf[i] == BBSHOME[i]; i++);
        if (!BBSHOME[i] && buf[i] == '/') {
        if (HasUserPerm(PERM_BBSADM))
            sym = 1;
        else {
            sym = 0;
            for (i++; BBSHOME "/man"[i] && buf[i] == BBSHOME "/man"[i];
             i++);
            if (!BBSHOME "/man"[i] && buf[i] == '/')
            sym = 1;
        }
        if (sym) {
            vmsgf("此 symbolic link 指向 %s\n", &buf[i + 1]);
        }
        }
    }
    } else if (dashf(buf))
    prints("此文章名稱為 %s", pm->header[pm->now - pm->page].filename);
    else if (dashd(buf))
    prints("此目錄名稱為 %s", pm->header[pm->now - pm->page].filename);
    else
    outs("此項目已損毀, 建議將其刪除！");
    pressanykey();
}
#ifdef CHESSCOUNTRY
static void
a_setchesslist(const menu_t * me)
{
    char buf[4];
    char buf_list[PATHLEN];
    char buf_photo[PATHLEN];
    char buf_this[PATHLEN];
    char buf_real[PATHLEN];
    int list_exist, photo_exist;
    fileheader_t* fhdr = me->header + me->now - me->page;
    int n;

    snprintf(buf_this,  sizeof(buf_this),  "%s/%s", me->path, fhdr->filename);
    if((n = readlink(buf_this, buf_real, sizeof(buf_real) - 1)) == -1)
    strcpy(buf_real, fhdr->filename);
    else
    // readlink doesn't garentee zero-ended
    buf_real[n] = 0;

    if (strcmp(buf_real, "chess_list") == 0
        || strcmp(buf_real, "chess_photo") == 0) {
    vmsg("不需重設！");
    return;
    }

    snprintf(buf_list,  sizeof(buf_list),  "%s/chess_list",  me->path);
    snprintf(buf_photo, sizeof(buf_photo), "%s/chess_photo", me->path);

    list_exist = dashf(buf_list);
    photo_exist = dashd(buf_photo);

    if (!list_exist && !photo_exist) {
    vmsg("此看板非棋國！");
    return;
    }

    getdata(b_lines, 0, "將此項目設定為 (1) 棋國名單 (2) 棋國照片檔目錄：",
        buf, sizeof(buf), 1);
    if (buf[0] == '1') {
    if (list_exist)
        getdata(b_lines, 0, "原有之棋國名單將被取代，請確認 (y/N)",
            buf, sizeof(buf), 1);
    else
        buf[0] = 'y';

    if (buf[0] == 'y' || buf[0] == 'Y') {
        Rename(buf_this, buf_list);
        symlink("chess_list", buf_this);
    }
    } else if (buf[0] == '2') {
    if (photo_exist)
        getdata(b_lines, 0, "原有之棋國照片將被取代，請確認 (y/N)",
            buf, sizeof(buf), 1);
    else
        buf[0] = 'y';

    if (buf[0] == 'y' || buf[0] == 'Y') {
        if(strncmp(buf_photo, "man/boards/", 11) == 0 && // guarding
            buf_photo[11] && buf_photo[12] == '/' && // guarding
            snprintf(buf_list, sizeof(buf_list), "rm -rf %s", buf_photo)
            == strlen(buf_photo) + 7)
        system(buf_list);
        Rename(buf_this, buf_photo);
        symlink("chess_photo", buf_this);
    }
    }
}
#endif /* defined(CHESSCOUNTRY) */

static int
isvisible_man(const menu_t * me)
{
    fileheader_t   *fhdr = &me->header[me->now - me->page];
    /* board friend only effact when in board reading mode */
    if (me->level >= MANAGER)
    return 1;
    if (fhdr->filemode & FILE_BM)
    return 0;
    if (fhdr->filemode & FILE_HIDE)
    {
    if (currstat == ANNOUNCE ||
        !is_hidden_board_friend(me->bid, currutmp->uid))
        return 0;
    }
    return 1;
}
int
a_menu(const char *maintitle, const char *path, 
    int lastlevel, int lastbid,
    char *trans_buffer)
{
    static char     Fexit;  // 用來跳出 recursion
    menu_t          me;
    char            fname[PATHLEN];
    int             ch, returnvalue = FULLUPDATE;

    // prevent deep resursive directories
    if (strlen(path) + FNLEN >= PATHLEN)
    {
    // it is not save to enter such directory.
    return returnvalue;
    }

    if(trans_buffer)
    trans_buffer[0] = '\0';

    memset(&me, 0, sizeof(me));
    Fexit = 0;
    me.header_size = p_lines;
    me.header = (fileheader_t *) calloc(me.header_size, FHSZ);
    me.path = path;
    strlcpy(me.mtitle, maintitle, sizeof(me.mtitle));
    setadir(fname, me.path);
    me.num = get_num_records(fname, FHSZ);
    me.bid = lastbid;

    /* 精華區-tree 中部份結構屬於 cuser ==> BM */

    if (!(me.level = lastlevel)) {
    char           *ptr;

    // warning: this is only valid for me.level.
    // is_uBM should not do anything except returning test result:
    // for ex, setting user BM permission automatically.
    // such extra behavior will result in any sub-op to have PERM_BM
    // ability, which leads to entering BM board without authority.
    // Thanks to mtdas@ptt for reporting this exploit.
    if (HasUserPerm(PERM_BASIC) && (ptr = strrchr(me.mtitle, '[')))
        me.level = is_uBM(ptr + 1, cuser.userid);
    }
    me.page = 9999;
    me.now = 0;
    for (;;) {
    if (me.now >= me.num)
        me.now = me.num - 1;
    if (me.now < 0)
        me.now = 0;

    if (me.now < me.page || me.now >= me.page + me.header_size) {
        me.page = me.now - ((me.page == 10000 && me.now > p_lines / 2) ?
                (p_lines / 2) : (me.now % p_lines));
        if (!a_showmenu(&me))
        {
        // some directories are invalid, restart!
        Fexit = 1;
        break;
        }
    }
    ch = cursor_key(2 + me.now - me.page, 0);

    if (ch == 'q' || ch == 'Q' || ch == KEY_LEFT)
        break;

    if (ch >= '1' && ch <= '9') {
        if ((ch = search_num(ch, me.num)) != -1)
        me.now = ch;
        me.page = 10000;
        continue;
    }
    switch (ch) {
    case KEY_UP:
    case 'k':
        if (--me.now < 0)
        me.now = me.num - 1;
        break;

    case KEY_DOWN:
    case 'j':
        if (++me.now >= me.num)
        me.now = 0;
        break;

    case KEY_PGUP:
    case Ctrl('B'):
        if (me.now >= p_lines)
        me.now -= p_lines;
        else if (me.now > 0)
        me.now = 0;
        else
        me.now = me.num - 1;
        break;

    case ' ':
    case KEY_PGDN:
    case Ctrl('F'):
        if (me.now < me.num - p_lines)
        me.now += p_lines;
        else if (me.now < me.num - 1)
        me.now = me.num - 1;
        else
        me.now = 0;
        break;

    case KEY_HOME:
    case '0':
        me.now = 0;
        break;
    case KEY_END:
    case '$':
        me.now = me.num - 1;
        break;

    case '?':
    case '/':
        if(me.num) {
        me.now = a_searchtitle(&me, ch == '?');
        me.page = 9999;
        }
        break;
    case 'h':
        a_showhelp(me.level);
        me.page = 9999;
        break;

    case Ctrl('I'):
        t_idle();
        me.page = 9999;
        break;

    case 'e':
    case 'E':
        snprintf(fname, sizeof(fname),
             "%s/%s", path, me.header[me.now - me.page].filename);
        if (dashf(fname) && me.level >= MANAGER) {
        int edflags = 0;
        *quote_file = 0;

# ifdef BN_BBSMOVIE
        if (me.bid && strcmp(getbcache(me.bid)->brdname, 
                BN_BBSMOVIE) == 0)
        {
            edflags |= EDITFLAG_UPLOAD;
            edflags |= EDITFLAG_ALLOWLARGE;
        }
# endif // BN_BBSMOVIE

        if (vedit2(fname, NA, NULL, edflags) != -1) {
            char            fpath[PATHLEN];
            fileheader_t    fhdr;
            strlcpy(fpath, path, sizeof(fpath));
            stampfile(fpath, &fhdr);
            unlink(fpath);
            strlcpy(fhdr.filename,
                me.header[me.now - me.page].filename,
                sizeof(fhdr.filename));
            strlcpy(me.header[me.now - me.page].owner,
                cuser.userid,
                sizeof(me.header[me.now - me.page].owner));
            setadir(fpath, path);
            substitute_record(fpath, me.header + me.now - me.page,
                      sizeof(fhdr), me.now + 1);

        }
        me.page = 9999;
        }
        break;

    case 't':
    case 'c':
        if (me.now < me.num) {
        if (!isvisible_man(&me))
            break;

        snprintf(fname, sizeof(fname), "%s/%s", path,
             me.header[me.now - me.page].filename);

        /* XXX: dirty fix
           應該要改成如果發現該目錄裡面有隱形目錄的話才拒絕.
           不過這樣的話須要整個搜一遍, 而且目前判斷該資料是目錄
           還是檔案竟然是用 fstat(2) 而不是直接存在 .DIR 內 |||b
           須等該資料寫入 .DIR 內再 implement才有效率.
         */
        if( !lastlevel && !HasUserPerm(PERM_SYSOP) &&
            (me.bid==0 || !is_BM_cache(me.bid)) && dashd(fname) )
            vmsg("只有板主才可以拷貝目錄唷!");
        else
            a_copyitem(fname, me.header[me.now - me.page].title, 0, 1);
        me.page = 9999;
        /* move down */
        if (++me.now >= me.num)
            me.now = 0;
        break;
        }
    case KEY_ENTER:
    case KEY_RIGHT:
    case 'r':
        if (me.now < me.num) {
        fileheader_t   *fhdr = &me.header[me.now - me.page];
        if (!isvisible_man(&me))
            break;
#ifdef DEBUG
        vmsgf("%s/%s", &path[11], fhdr->filename);;
#endif
        snprintf(fname, sizeof(fname), "%s/%s", path, fhdr->filename);
        if (*fhdr->filename == 'H' && fhdr->filename[1] == '.') {
          vmsg("不再支援 gopher mode, 請使用瀏覽器直接瀏覽");
          vmsgf("gopher://%s/1/",fhdr->filename+2);
        } else if (dashf(fname)) {
            int             more_result;

            while ((more_result = more(fname, YEA))) {
            /* Ptt 範本精靈 plugin */
            if (trans_buffer && 
                (currstat == EDITEXP || currstat == OSONG)) {
                char            ans[4];

                move(22, 0);
                clrtoeol();
                getdata(22, 1,
                    currstat == EDITEXP ?
                    "要把範例 Plugin 到文章嗎?[y/N]" :
                    "確定要點這首歌嗎?[y/N]",
                    ans, sizeof(ans), LCECHO);
                if (ans[0] == 'y') {
                strlcpy(trans_buffer, fname, PATHLEN);
                Fexit = 1;
                if (currstat == OSONG) {
                    log_filef(FN_USSONG, LOG_CREAT, "%s\n", fhdr->title);
                }
                free(me.header);
                return FULLUPDATE;
                }
            }
            if (more_result == READ_PREV) {
                if (--me.now < 0) {
                me.now = 0;
                break;
                }
            } else if (more_result == READ_NEXT) {
                if (++me.now >= me.num) {
                me.now = me.num - 1;
                break;
                }
                /* we only load me.header_size pages */
                if (me.now - me.page >= me.header_size)
                break;
            } else
                break;
            if (!isvisible_man(&me))
                break;
            snprintf(fname, sizeof(fname), "%s/%s", path,
                 me.header[me.now - me.page].filename);
            if (!dashf(fname))
                break;
            }
        } else if (dashd(fname)) {
            a_menu(me.header[me.now - me.page].title, fname, 
                me.level, me.bid, trans_buffer);
            /* Ptt  強力跳出recursive */
            if (Fexit) {
            free(me.header);
            return FULLUPDATE;
            }
        }
        me.page = 9999;
        }
        break;

    case 'F':
    case 'U':
        if (me.now < me.num) {
                fileheader_t   *fhdr = &me.header[me.now - me.page];
                if (!isvisible_man(&me))
                    break;
        snprintf(fname, sizeof(fname),
             "%s/%s", path, fhdr->filename);
        if (HasUserPerm(PERM_LOGINOK) && dashf(fname)) {
            a_forward(path, fhdr, ch /* == 'U' */ );
            /* By CharlieL */
        } else
            vmsg("無法轉寄此項目");
        me.page = 9999;
        }

        break;

    }

    if (me.level >= MANAGER) {
        switch (ch) {
        case 'n':
        a_newitem(&me, ADDITEM);
        me.page = 9999;
        break;
        case 'g':
        a_newitem(&me, ADDGROUP);
        me.page = 9999;
        break;
        case 'p':
        a_pasteitem(&me, 1);
        me.page = 9999;
        break;
        case 'f':
        a_editsign(&me);
        me.page = 9999;
        break;
        case Ctrl('P'):
        a_pastetagpost(&me, -1);
        returnvalue = DIRCHANGED;
        me.page = 9999;
        break;
        case Ctrl('A'):
        a_pastetagpost(&me, 1);
        returnvalue = DIRCHANGED;
        me.page = 9999;
        break;
        case 'a':
        a_appenditem(&me, 1);
        me.page = 9999;
        break;
#ifdef BLOG
        case 'b':
        if (me.bid)
        {
            char    genbuf[128];
            char *bname = getbcache(me.bid)->brdname;
            snprintf(genbuf, sizeof(genbuf),
                "bin/builddb.pl -f -n %d %s", me.now, bname);
            system(genbuf);
            vmsg("資料更新完成");
        }
        me.page = 9999;
        break;

        case 'B':
        if (me.bid && me.bid == currbid)
        {
            BlogMain(me.now);
        };
        me.page = 9999;
        break;
#endif
        }

        if (me.num)
        switch (ch) {
        case 'm':
            a_moveitem(&me);
            me.page = 9999;
            break;

        case 'D':
            /* Ptt me.page = -1; */
            a_delrange(&me);
            me.page = 9999;
            break;
        case 'd':
            a_delete(&me);
            me.page = 9999;
            break;
        case 'H':
            a_hideitem(&me);
            me.page = 9999;
            break;
        case 'T':
            a_newtitle(&me);
            me.page = 9999;
            break;
#ifdef CHESSCOUNTRY
        case 'L':
            a_setchesslist(&me);
            break;
#endif
        }
    }
    if (me.level >= SYSOP) {
        switch (ch) {
        case 'N':
        a_showname(&me);
        me.page = 9999;
        break;
        }
    }
    }
    free(me.header);
    return returnvalue;
}

int
Announce(void)
{
    setutmpmode(ANNOUNCE);
    a_menu(BBSNAME "佈告欄", "man",
       ((HasUserPerm(PERM_SYSOP) ) ? SYSOP : NOBODY), 
       0,
       NULL);
    return 0;
}

#ifdef BLOG
#include <mysql/mysql.h>
void BlogMain(int num)
{
    int     oldmode = currutmp->mode;
    char    genbuf[128], exit = 0;

    // WARNING: 要確認 currboard/currbid 已正確設定才能用此API。
    
    //setutmpmode(BLOGGING); /* will crash someone using old program  */
    sprintf(genbuf, "%s的部落格", currboard);
    showtitle("部落格", genbuf);
    while( !exit ){
    move(1, 0);
    outs("請選擇您要執行的重作:\n"
           "0.回到上一層\n"
           "1.製作部落格樣板格式\n"
           "  使用新的 config 目錄下樣板資料\n"
           "  通常在第一次使用部落格或樣板更新的時候使用\n"
           "\n"
           "2.重新製作部落格\n"
           "  只在部落格資料整個亂掉的時候才使用\n"
           "\n"
           "3.將本文加入部落格\n"
           "  將游標所在位置的文章加入部落格\n"
           "\n"
           "4.刪除迴響\n"
           "\n"
           "5.刪除一篇部落格\n"
           "\n"
           "C.建立部落格目錄 (您只有第一次時需要)\n"
           );
    switch( vans("請選擇(0-5,C)？[0]") ){
    case '1':
        snprintf(genbuf, sizeof(genbuf),
             "bin/builddb.pl -c %s", currboard);
        system(genbuf);
        break;
    case '2':
        snprintf(genbuf, sizeof(genbuf),
             "bin/builddb.pl -a %s", currboard);
        system(genbuf);
        break;
    case '3':
        snprintf(genbuf, sizeof(genbuf),
             "bin/builddb.pl -f -n %d %s", num, currboard);
        system(genbuf);
        break;
    case '4':{
        char    hash[33];
        int     i;
        getdata(16, 0, "請輸入該篇的雜湊值: ",
            hash, sizeof(hash), DOECHO);
        for( i = 0 ; hash[i] != 0 ; ++i ) /* 前面用 getdata() 保證有 \0 */
        if( !islower(hash[i]) && !isdigit(hash[i]) )
            break;
        if( i != 32 ){
        vmsg("輸入錯誤");
        break;
        }
        if( hash[0] != 0 && 
        vans("請確定刪除(Y/N)?[N] ") == 'y' ){
        MYSQL   mysql;
        char    cmd[PATHLEN];
        
        snprintf(cmd, sizeof(cmd), "delete from comment where "
            "hash='%s'&&brdname='%s'", hash, currboard);
#ifdef DEBUG
        vmsg(cmd);
#endif
        if( !(!mysql_init(&mysql) ||
              !mysql_real_connect(&mysql, BLOGDB_HOST, BLOGDB_USER,
                      BLOGDB_PASSWD, BLOGDB_DB, 
                      BLOGDB_PORT, BLOGDB_SOCK, 0) ||
              mysql_query(&mysql, cmd)) )
            vmsg("資料刪除完成");
        else
            vmsg(
#ifdef DEBUG
             mysql_error(&mysql)
#else
             "database internal error"
#endif
             );
        mysql_close(&mysql);
        }
    }
        break;
        
    case '5': {
        char    date[9];
        int     i;
        getdata(16, 0, "請輸入該篇的日期(yyyymmdd): ",
            date, sizeof(date), DOECHO);
        for( i = 0 ; i < 9 ; ++i )
        if( !isdigit(date[i]) )
            break;
        if( i != 8 ){
        vmsg("輸入錯誤");
        break;
        }
        snprintf(genbuf, sizeof(genbuf),
             "bin/builddb.pl -D %s %s", date, currboard);
        system(genbuf);
    }
        break;

    case 'C': case 'c': {
        fileheader_t item;
        char    fpath[PATHLEN], adir[PATHLEN], buf[PATHLEN];
        setapath(fpath, currboard);
        stampdir(fpath, &item);
        strlcpy(item.title, "◆ Blog", sizeof(item.title));
        strlcpy(item.owner, cuser.userid, sizeof(item.owner));

        setapath(adir, currboard);
        strcat(adir, "/" FN_DIR);
        append_record(adir, &item, FHSZ);

        snprintf(buf, sizeof(buf),
             "cp -R etc/Blog.Default/" FN_DIR " etc/Blog.Default/* %s/",
             fpath);
        system(buf);

        more("etc/README.BLOG", YEA);
    }
        break;

    default:
        exit = 1;
        break;
    }
    if( !exit )
        vmsg("部落格完成");
    }
    currutmp->mode = oldmode;
    pressanykey();
}
#endif