path: root/mbbsd/announce.c

/* $Id: announce.c,v 1.20 2003/05/16 05:57:38 in2 Exp $ */
#include "bbs.h"

static void
g_showmenu(gmenu_t * pm)
{
    char    *mytype = "編    選     絲路之旅";
    char           *title, ch;
    int             n, max;
    item_t         *item;

    showtitle("精華文章", pm->mtitle);
    prints("  \033[1;36m編號    標      題%56s\033[m", mytype);

    if (pm->num) {
    n = pm->page;
    max = n + p_lines;
    if (max > pm->num)
        max = pm->num;
    while (n < max) {
        item = pm->item[n++];
        title = item->title;
        ch = title[1];
        prints("\n%5d. %-72.71s", n, title);
    }
    } else
    outs("\n  《精華區》尚在吸取天地間的日精月華 :)");

    move(b_lines, 1);
    outs(pm->level ?
     "\033[34;46m 【板  主】 \033[31;47m  (h)\033[30m說明  "
     "\033[31m(q/←)\033[30m離開  \033[31m(n)\033[30m新增文章  "
     "\033[31m(g)\033[30m新增目錄  \033[31m(e)\033[30m編輯檔案  \033[m" :
     "\033[34;46m 【功\能鍵】 \033[31;47m  (h)\033[30m說明  "
     "\033[31m(q/←)\033[30m離開  \033[31m(k↑j↓)\033[30m移動游標  "
     "\033[31m(enter/→)\033[30m讀取資料  \033[m");
}

static FILE    *
go_cmd(item_t * node, int *sock)
{
    struct sockaddr_in sin;
    struct hostent *host;
    char           *site;
    FILE           *fp;

    *sock = socket(AF_INET, SOCK_STREAM, 0);

    if (*sock < 0) {
    syslog(LOG_ERR, "socket(): %m");
    return NULL;
    }
    memset((char *)&sin, 0, sizeof(sin));
    sin.sin_family = AF_INET;
    sin.sin_port = htons(node->X.G.port);

    host = gethostbyname(site = node->X.G.server);
    if (host == NULL)
    sin.sin_addr.s_addr = inet_addr(site);
    else
    memcpy(&sin.sin_addr.s_addr, host->h_addr, host->h_length);

    if (connect(*sock, (struct sockaddr *) & sin, sizeof(sin)) < 0) {
    syslog(LOG_ERR, "connect(): %m");
    return NULL;
    }
    fp = fdopen(*sock, "r+");
    if (fp != NULL) {
    setbuf(fp, (char *)0);
    fprintf(fp, "%s\r\n", node->X.G.path);
    fflush(fp);
    } else
    close(*sock);
    return fp;
}

static char    *
nextfield(char *data, char *field)
{
    register int    ch;

    while ((ch = *data)) {
    data++;
    if ((ch == '\t') || (ch == '\r' && *data == '\n'))
        break;
    *field++ = ch;
    }
    *field = '\0';
    return data;
}

static FILE    *
my_open(char *path)
{
    FILE           *ans = 0;
    char            buf[80];
    struct stat     st;

    if (stat(path, &st) == 0 && st.st_mtime < now - 3600 * 24 * 7) {
    return fopen(path, "w");
    }
    if ((ans = fopen(path, "r+"))) {
    fclose(ans);
    return 0;
    /*
     * return directly due to currutmp->pager > 1 mode (real copy)
     */
    fgets(buf, 80, ans);
    if (!strncmp(buf, str_author1, strlen(str_author1)) ||
        *buf == '0' || *buf == '1') {
        fclose(ans);
        return 0;
    }
    rewind(ans);
    } else
    ans = fopen(path, "w");
    return ans;
}

static jmp_buf  jbuf;

static void
isig(int sig)
{
    longjmp(jbuf, 1);
}

#define PROXY_HOME      "proxy/"

static void
go_proxy(char *fpath, item_t * node, int update)
{
    char           *ptr, *str, *server;
    int             ch;
    static FILE    *fo;

    strcpy(fpath, PROXY_HOME);
    ptr = fpath + sizeof(PROXY_HOME) - 1;
    str = server = node->X.G.server;
    while ((ch = *str)) {
    str++;
    if (ch == '.') {
        if (!strcmp(str, "edu.tw"))
        break;
    } else if (ch >= 'A' && ch <= 'Z') {
        ch |= 0x20;
    }
    *ptr++ = ch;
    }
    *ptr = '\0';
    mkdir(fpath, 0755);

    *ptr++ = '/';
    str = node->X.G.path;
    while ((ch = *str)) {
    str++;
    if (ch == '/') {
        ch = '.';
    }
    *ptr++ = ch;
    }
    *ptr = '\0';

    /* expire proxy data */

    if ((fo = update ? fopen(fpath, "w") : my_open(fpath))) {
    FILE           *fp;
    char            buf[512];
    int             sock;

    if (fo == NULL)
        return;

    outmsg("★ 建立 proxy 資料連線中 ... ");
    refresh();

    sock = -1;
    if (setjmp(jbuf)) {
        if (sock != -1)
        close(sock);
        fseek(fo, 0, SEEK_SET);
        fwrite("", 0, 0, fo);
        fclose(fo);
        alarm(0);
        return;
    }
    signal(SIGALRM, isig);
    alarm(5);
    fp = go_cmd(node, &sock);
    alarm(0);

    str = node->title;
    ch = str[1];
    if (ch == (char)0xbc &&
        !(HAS_PERM(PERM_SYSOP) && currutmp->pager > 1)) {
        fprintf(fo, "作者: %s (連線精華區)\n標題: %s\n時間: %s\n",
            server, str + 3, ctime(&now)
        );
    }
    while (fgets(buf, 511, fp)) {
        if (!strcmp(buf, ".\r\n"))
        break;
        if ((ptr = strstr(buf, "\r\n")))
        strcpy(ptr, "\n");
        fputs(buf, fo);
    }
    fclose(fo);
    fclose(fp);
    }
}

static void
g_additem(gmenu_t * pm, item_t * myitem)
{
    if (pm->num < MAX_ITEMS) {
    item_t         *newitem = (item_t *) malloc(sizeof(item_t));

    memcpy(newitem, myitem, sizeof(item_t));
    pm->item[(pm->num)++] = newitem;
    }
}

static void
go_menu(gmenu_t * pm, item_t * node, int update)
{
    FILE           *fp;
    char            buf[512], *ptr, *title;
    item_t          item;
    int             ch;

    go_proxy(buf, node, update);
    pm->num = 0;
    if ((fp = fopen(buf, "r"))) {
    title = item.title;
    while (fgets(buf, 511, fp)) {
        ptr = buf;
        ch = *ptr++;
        if (ch != '0' && ch != '1')
        continue;

        strcpy(title, "□ ");
        if (ch == '1')
        title[1] = (char)0xbd;

        ptr = nextfield(ptr, title + 3);
        if (!*ptr)
        continue;
        title[sizeof(item.title) - 1] = '\0';

        ptr = nextfield(ptr, item.X.G.path);
        if (!*ptr)
        continue;

        ptr = nextfield(ptr, item.X.G.server);
        if (!*ptr)
        continue;

        nextfield(ptr, buf);
        item.X.G.port = atoi(buf);

        g_additem(pm, &item);
    }
    fclose(fp);
    }
}

static int
g_searchtitle(gmenu_t * pm, int rev)
{
    static char     search_str[30] = "";
    int             pos;

    if (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 (strstr_lower(pm->item[pos]->title, search_str))
        return pos;
    } while (pos != pm->now);
    return pm->now;
}

static void
g_showhelp()
{
    clear();
    outs("\033[36m【 " BBSNAME "連線精華區使用說明 】\033[m\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"
     "[^S]            將文章存到信箱\n"
     "[R]             更新資料\n"
     "[N]             查詢檔名\n"
     "[c][C][^C]      拷貝文章/並跳至上次貼文章的地方/"
     "直接貼到上次貼的地方\n");
    pressanykey();
}

#define PATHLEN     256

static char     paste_fname[200];

static void
load_paste()
{
    struct stat     st;
    FILE           *fp;

    if (!*paste_fname)
    setuserfile(paste_fname, "paste_path");
    if (stat(paste_fname, &st) == 0 && st.st_mtime > paste_time &&
    (fp = fopen(paste_fname, "r"))) {
    int             i;
    fgets(paste_path, PATHLEN, fp);
    i = strlen(paste_path) - 1;
    if (paste_path[i] == '\n')
        paste_path[i] = 0;
    fgets(paste_title, STRLEN, fp);
    i = strlen(paste_title) - 1;
    if (paste_title[i] == '\n')
        paste_title[i] = 0;
    fscanf(fp, "%d", &paste_level);
    paste_time = st.st_mtime;
    fclose(fp);
    }
}

static char     copyfile[PATHLEN];
static char     copytitle[TTLEN + 1];
static char     copyowner[IDLEN + 2];

void
a_copyitem(char *fpath, char *title, char *owner, int mode)
{
    strcpy(copyfile, fpath);
    strcpy(copytitle, title);
    if (owner)
    strcpy(copyowner, owner);
    else
    *copyowner = 0;
    if (mode) {
    outmsg("檔案標記完成。[注意] 拷貝後才能刪除原文!");
    igetch();
    }
}

#define FHSZ            sizeof(fileheader_t)

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

    setadir(buf, pm->path);
    len = get_records(buf, pm->header, FHSZ, pm->page + 1, p_lines);
    if (len < p_lines)
    bzero(&pm->header[len], FHSZ * (p_lines - len));
}

static void
a_timestamp(char *buf, time_t * time)
{
    struct tm      *pt = localtime(time);

    sprintf(buf, "%02d/%02d/%02d", pt->tm_mon + 1, pt->tm_mday, (pt->tm_year + 1900) % 100);
}

static void
a_showmenu(menu_t * pm)
{
    char           *title, *editor;
    int             n;
    fileheader_t   *item;
    char            buf[PATHLEN];
    time_t          dtime;

    showtitle("精華文章", pm->mtitle);
    prints("   \033[1;36m編號    標      題%56s\033[0m",
       "編    選      日    期");

    if (pm->num) {
    setadir(buf, pm->path);
    a_loadname(pm);
    for (n = 0; n < p_lines && pm->page + n < pm->num; n++) {
        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);
        dtime = dasht(buf);
        a_timestamp(buf, &dtime);
        prints("\n%6d%c %-47.46s%-13s[%s]", pm->page + n + 1,
           (item->filemode & FILE_BM) ? 'X' :
           (item->filemode & FILE_HIDE) ? ')' : '.',
           title, editor,
           buf);
    }
    } else
    outs("\n  《精華區》尚在吸取天地間的日月精華中... :)");

    move(b_lines, 1);
    outs(pm->level ?
     "\033[34;46m 【板  主】 \033[31;47m  (h)\033[30m說明  "
     "\033[31m(q/←)\033[30m離開  \033[31m(n)\033[30m新增文章  "
     "\033[31m(g)\033[30m新增目錄  \033[31m(e)\033[30m編輯檔案  \033[m" :
     "\033[34;46m 【功\能鍵】 \033[31;47m  (h)\033[30m說明  "
     "\033[31m(q/←)\033[30m離開  \033[31m(k↑j↓)\033[30m移動游標  "
     "\033[31m(enter/→)\033[30m讀取資料  \033[m");
}

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;
        a_loadname(pm);
    }
    if (strstr_lower(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("\033[36m【 " BBSNAME "公佈欄使用說明 】\033[m\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\033[36m【 板主專用鍵 】\033[m\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]         拷貝/粘貼/附加文章\n"
         "[^P/^A]         粘貼/附加已用't'標記文章\n");
    }
    if (level >= SYSOP) {
    outs("\n\033[36m【 站長專用鍵 】\033[m\n"
         "[l]             建 symbolic link\n"
         "[N]             查詢檔名\n");
    }
    pressanykey();
}

static int
AnnounceSelect()
{
    static char     xboard[20];
    char            buf[20];
    char            fpath[256];
    boardheader_t  *bp;

    move(2, 0);
    clrtoeol();
    move(3, 0);
    clrtoeol();
    move(1, 0);
    generalnamecomplete("選擇精華區看板：", buf, sizeof(buf),
            SHM->Bnumber,
            completeboard_compar,
            completeboard_permission,
            completeboard_getname);
    if (*buf)
    strlcpy(xboard, buf, sizeof(xboard));
    if (*xboard && (bp = getbcache(getbnum(xboard)))) {
    setapath(fpath, xboard);
    setutmpmode(ANNOUNCE);
    a_menu(xboard, fpath,
           (HAS_PERM(PERM_ALLBOARD) ||
        (HAS_PERM(PERM_BM) && is_BM(bp->BM))) ? 1 : 0);
    }
    return FULLUPDATE;
}

void
gem(char *maintitle, item_t * path, int update)
{
    gmenu_t         me;
    int             ch;
    char            fname[PATHLEN];

    strncpy(me.mtitle, maintitle, 40);
    me.mtitle[40] = 0;
    go_menu(&me, path, update);

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

    me.level = 0;
    me.page = 9999;
    me.now = 0;
    for (;;) {
    if (me.now >= me.num && me.num > 0)
        me.now = me.num - 1;
    else if (me.now < 0)
        me.now = 0;

    if (me.now < me.page || me.now >= me.page + p_lines) {
        me.page = me.now - (me.now % p_lines);
        g_showmenu(&me);
    }
    ch = cursor_key(2 + me.now - me.page, 0);
    if (ch == 'q' || ch == 'Q' || ch == KEY_LEFT)
        break;

    if (ch >= '0' && ch <= '9') {
        if ((ch = search_num(ch, me.num)) != -1)
        me.now = ch;
        me.page = 9999;
        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 '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 'h':
        g_showhelp();
        me.page = 9999;
        break;
    case '?':
    case '/':
        me.now = g_searchtitle(&me, ch == '?');
        me.page = 9999;
        break;
    case 'N':
        if (HAS_PERM(PERM_SYSOP)) {
        go_proxy(fname, me.item[me.now], 0);
        move(b_lines - 1, 0);
        outs(fname);
        pressanykey();
        me.page = 9999;
        }
        break;
    case 'c':
    case 'C':
    case Ctrl('C'):
        if (me.now < me.num) {
        item_t         *node = me.item[me.now];
        char           *title = node->title;
        int             mode = title[1];

        load_paste();
        if (mode == (char)0xbc || ch == Ctrl('C')) {
            if (mode == (char)0xbc)
            go_proxy(fname, node, 0);
            if (ch == Ctrl('C') && *paste_path && paste_level) {
            char            newpath[PATHLEN];
            fileheader_t    item;

            strlcpy(newpath, paste_path, sizeof(newpath));
            if (mode == (char)0xbc) {
                stampfile(newpath, &item);
                unlink(newpath);
                Link(fname, newpath);
            } else
                stampdir(newpath, &item);
            strlcpy(item.owner, cuser.userid, sizeof(item.owner));
            snprintf(item.title, sizeof(item.title), "%s%.72s",
                (currutmp->pager > 1) ? "" :
                (mode == (char)0xbc) ? "◇ " : "◆ ",
                title + 3);
            strcpy(strrchr(newpath, '/') + 1, ".DIR");
            append_record(newpath, &item, FHSZ);
            if (++me.now >= me.num)
                me.now = 0;
            break;
            }
            if (mode == (char)0xbc) {
            a_copyitem(fname,
                   title + ((currutmp->pager > 1) ? 3 : 0),
                   0, 1);
            if (ch == 'C' && *paste_path) {
                setutmpmode(ANNOUNCE);
                a_menu(paste_title, paste_path, paste_level);
            }
            me.page = 9999;
            } else
            bell();
        }
        }
        break;
    case Ctrl('B'):
        m_read();
        me.page = 9999;
        break;
    case Ctrl('I'):
        t_idle();
        me.page = 9999;
        break;
    case 's':
        AnnounceSelect();
        me.page = 9999;
        break;
    case '\n':
    case '\r':
    case KEY_RIGHT:
    case 'r':
    case 'R':
        if (me.now < me.num) {
        item_t         *node = me.item[me.now];
        char           *title = node->title;
        int             mode = title[1];
        int             update = (ch == 'R') ? 1 : 0;

        title += 3;

        if (mode == (char)0xbc) {
            int             more_result;

            go_proxy(fname, node, update);
            strlcpy(vetitle, title, sizeof(vetitle));
            while ((more_result = more(fname, YEA))) {
            if (more_result == 1) {
                if (--me.now < 0) {
                me.now = 0;
                break;
                }
            } else if (more_result == 3) {
                if (++me.now >= me.num) {
                me.now = me.num - 1;
                break;
                }
            } else
                break;
            node = me.item[me.now];
            if (node->title[1] != (char)0xbc)
                break;
            go_proxy(fname, node, update);
            strlcpy(vetitle, title, sizeof(vetitle));
            }
        } else if (mode == (char)0xbd) {
            gem(title, node, update);
        }
        me.page = 9999;
        }
        break;
    }
    }
    for (ch = 0; ch < me.num; ch++)
    free(me.item[ch]);
}

static void
a_forward(char *path, 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, 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
#define ADDGOPHER       2
#define ADDLINK         3

static void
a_newitem(menu_t * pm, int mode)
{
    char    *mesg[4] = {
    "[新增文章] 請輸入標題：",    /* ADDITEM */
    "[新增目錄] 請輸入標題：",    /* ADDGROUP */
    "[新增連線] 請輸入標題：",    /* ADDGOPHER */
    "請輸入標題："        /* ADDLINK */
    };

    char            fpath[PATHLEN], buf[PATHLEN], lpath[PATHLEN];
    fileheader_t    item;
    int             d;

    strlcpy(fpath, pm->path, sizeof(fpath));

    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;
    case ADDGOPHER:
    bzero(&item, sizeof(item));
    strlcpy(item.title, "⊙ ", sizeof(item.title));    /* A1BB */
    if (!getdata(b_lines - 2, 1, "輸入URL位址：",
             item.filename + 2, 61, DOECHO))
        return;
    break;
    case ADDLINK:
    stamplink(fpath, &item);
    if (!getdata(b_lines - 2, 1, "新增連線：", buf, 61, DOECHO))
        return;
    if (invalid_pname(buf)) {
        unlink(fpath);
        outs("目的地路徑不合法！");
        igetch();
        return;
    }
    item.title[0] = 0;
    for (d = 0; d <= 3; d++) {
        switch (d) {
        case 0:
        snprintf(lpath, sizeof(lpath), BBSHOME "/man/boards/%c/%s/%s",
            currboard[0], currboard, buf);
        break;
        case 1:
        snprintf(lpath, sizeof(lpath), "%s%s/%c/%s",
            BBSHOME, "/man/boards/", buf[0], buf);
        break;
        case 2:
        snprintf(lpath, sizeof(lpath), "%s%s%s",
            BBSHOME, "/", buf);
        break;
        case 3:
        snprintf(lpath, sizeof(lpath), "%s%s%s",
            BBSHOME, "/etc/", buf);
        break;
        }
        if (dashf(lpath)) {
        strlcpy(item.title, "☆ ", sizeof(item.title));    /* A1B3 */
        break;
        } else if (dashd(lpath)) {
        strlcpy(item.title, "★ ", sizeof(item.title));    /* A1B4 */
        break;
        }
        if (!HAS_PERM(PERM_BBSADM) && d == 1)
        break;
    }

    if (!item.title[0]) {
        unlink(fpath);
        outs("目的地路徑不合法！");
        igetch();
        return;
    }
    }

    if (!getdata(b_lines - 1, 1, mesg[mode], &item.title[3], 55, DOECHO)) {
    if (mode == ADDGROUP)
        rmdir(fpath);
    else if (mode != ADDGOPHER)
        unlink(fpath);
    return;
    }
    switch (mode) {
    case ADDITEM:
    if (vedit(fpath, 0, NULL) == -1) {
        unlink(fpath);
        pressanykey();
        return;
    }
    break;
    case ADDLINK:
    unlink(fpath);
    if (symlink(lpath, fpath) == -1) {
        outs("無法建立 symbolic link");
        igetch();
        return;
    }
    break;
    case ADDGOPHER:
    strlcpy(item.date, "70", sizeof(item.date));
    strncpy(item.filename, "H.", 2);
    break;
    }

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

static void
a_pasteitem(menu_t * pm, int mode)
{
    char            newpath[PATHLEN];
    char            buf[PATHLEN];
    char            ans[2];
    int             i;
    fileheader_t    item;

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

        if (*copyowner) {
        char           *fname = strrchr(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(copytitle, "◎", 2);
        if (HAS_PERM(PERM_BBSADM))
            Link(copyfile, newpath);
        else {
            snprintf(buf, sizeof(buf), 
                 "/bin/cp %s %s", copyfile, newpath);
            system(buf);
        }
        } else if (dashf(copyfile)) {
        stampfile(newpath, &item);
        memcpy(copytitle, "◇", 2);
        snprintf(buf, sizeof(buf), "/bin/cp %s %s", copyfile, newpath);
        } else if (dashd(copyfile)) {
        stampdir(newpath, &item);
        memcpy(copytitle, "◆", 2);
        snprintf(buf, sizeof(buf),
             "/bin/cp -r %s/* %s/.D* %s", copyfile, copyfile,
             newpath);
        } else {
        outs("無法拷貝！");
        igetch();
        return;
        }
        strlcpy(item.owner, *copyowner ? copyowner : cuser.userid,
            sizeof(item.owner));
        strlcpy(item.title, copytitle, sizeof(item.title));
        if (!*copyowner)
        system(buf);
        a_additem(pm, &item);
        copyfile[0] = '\0';
    }
    } else {
    outs("請先執行 copy 命令後再 paste");
    igetch();
    }
}

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

    move(b_lines - 1, 1);
    if (copyfile[0]) {
    if (dashf(copyfile)) {
        snprintf(fname, sizeof(fname), "%s/%s", pm->path,
            pm->header[pm->now - pm->page].filename);
        if (dashf(fname)) {
        if (isask) {
            snprintf(buf, sizeof(buf),
                 "確定要將[%s]附加於此嗎(Y/N)？[N] ", copytitle);
            getdata(b_lines - 2, 1, buf, ans, sizeof(ans), LCECHO);
        }
        if (ans[0] == 'y') {
            if ((fp = fopen(fname, "a+"))) {
            if ((fin = fopen(copyfile, "r"))) {
                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);
                while (fgets(buf, sizeof(buf), fin)) {
                if ((ans[0] == 'n') &&
                    !strcmp(buf, "--\n"))
                    break;
                fputs(buf, fp);
                }
                fclose(fin);
                copyfile[0] = '\0';
            }
            fclose(fp);
            }
        }
        } else {
        outs("檔案不得附加於此！");
        igetch();
        }
    } else {
        outs("不得附加整個目錄於檔案後！");
        igetch();
    }
    } else {
    outs("請先執行 copy 命令後再 append");
    igetch();
    }
}

static int
a_pastetagpost(menu_t * pm, int mode)
{
    fileheader_t    fhdr;
    int             ans = 0, ent = 0, tagnum;
    char            title[TTLEN + 1] = "◇  ";
    char            dirname[200], buf[200];

    setbdir(dirname, currboard);
    tagnum = TagNum;

    if (!tagnum)
    return ans;

    while (tagnum--) {
    EnumTagFhdr(&fhdr, dirname, ent++);
    setbfile(buf, currboard, fhdr.filename);

    if (dashf(buf)) {
        strncpy(title + 3, fhdr.title, TTLEN - 3);
        title[TTLEN] = '\0';
        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[4];
    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[256];

    snprintf(fname, sizeof(fname), "%s/.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, "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, "deleted");
    append_record(buf, &backup, sizeof(backup));
    } 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, "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));
    strlcpy(backup.title,
        pm->header[pm->now - pm->page].title + 2,
        sizeof(backup.title));
    setapath(buf, "deleted");
    setadir(buf, buf);
    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(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, 1, "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(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(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(menu_t * pm)
{
    char            buf[PATHLEN];
    int             len;
    int             i;
    int             sym;

    move(b_lines - 1, 1);
    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 (HAS_PERM(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) {
            pressanykey();
            move(b_lines - 1, 1);
            prints("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();
}

#if 0
static char    *a_title;

static void
atitle()
{
    showtitle("精華文章", a_title);
    outs("[←]離開 [→]閱\讀 [^P]發表文章 [b]備忘錄 [d]刪除 [q]精華區 "
     "[TAB]文摘 [h]elp\n\033[7m  編號   日 期  作  者       "
     "文  章  標  題\033[m");
}
#endif

static int
isvisible_man(menu_t * me)
{
    fileheader_t   *fhdr = &me->header[me->now - me->page];
    if (me->level < MANAGER && ((fhdr->filemode & FILE_BM) ||
                ((fhdr->filemode & FILE_HIDE) &&
                 hbflcheck(currbid, currutmp->uid))))
    return 0;
    return 1;
}
int
a_menu(char *maintitle, char *path, int lastlevel)
{
    static char     Fexit;
    menu_t          me;
    char            fname[PATHLEN];
    int             ch, returnvalue = FULLUPDATE;

    trans_buffer[0] = 0;

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

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

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

    if ((ptr = strrchr(me.mtitle, '[')))
        me.level = is_BM(ptr + 1);
    }
    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 + p_lines) {
        me.page = me.now - ((me.page == 10000 && me.now > p_lines / 2) ?
                (p_lines / 2) : (me.now % p_lines));
        a_showmenu(&me);
    }
    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 '0':
        me.now = 0;
        break;
    case '?':
    case '/':
        me.now = a_searchtitle(&me, ch == '?');
        me.page = 9999;
        break;
    case '$':
        me.now = me.num - 1;
        break;
    case 'h':
        a_showhelp(me.level);
        me.page = 9999;
        break;
    case Ctrl('C'):
        cal();
        me.page = 9999;
        break;

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

    case 's':
        AnnounceSelect();
        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) {
        *quote_file = 0;
        if (vedit(fname, NA, NULL) != -1) {
            char            fpath[200];
            fileheader_t    fhdr;

            strlcpy(fpath, path, sizeof(fpath));
            stampfile(fpath, &fhdr);
            unlink(fpath);
            Rename(fname, fpath);
            strlcpy(me.header[me.now - me.page].filename,
                fhdr.filename,
                sizeof(me.header[me.now - me.page].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 'c':
        if (me.now < me.num) {
        boardheader_t *bp;
        if (!isvisible_man(&me))
            break;

        if( !(bp = getbcache(getbnum(currboard))) )
            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( !HAS_PERM(PERM_SYSOP) && !is_BM(bp->BM) && 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;
        break;
        }
    case '\n':
    case '\r':
    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
        vmsg("%s/%s", &path[11], fhdr->filename);;
#endif
        snprintf(fname, sizeof(fname), "%s/%s", path, fhdr->filename);
        if (*fhdr->filename == 'H' && fhdr->filename[1] == '.') {
            item_t          item;
            strlcpy(item.X.G.server, fhdr->filename + 2,
                sizeof(item.X.G.server));
            strlcpy(item.X.G.path, "1/", sizeof(item.X.G.path));
            item.X.G.port = 70;
            gem(fhdr->title, &item, (ch == 'R') ? 1 : 0);
        } else if (dashf(fname)) {
            int             more_result;

            while ((more_result = more(fname, YEA))) {
            /* Ptt 範本精靈 plugin */
            if (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, sizeof(trans_buffer));
                Fexit = 1;
                if (currstat == OSONG) {
                    /* XXX: 只選歌未點歌可灌排行榜 */
                    log_file(FN_USSONG, fhdr->title);
                }
                free(me.header);
                return FULLUPDATE;
                }
            }
            if (more_result == 1) {
                if (--me.now < 0) {
                me.now = 0;
                break;
                }
            } else if (more_result == 3) {
                if (++me.now >= me.num) {
                me.now = me.num - 1;
                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);
            /* Ptt  強力跳出recursive */
            if (Fexit) {
            free(me.header);
            return FULLUPDATE;
            }
        }
        me.page = 9999;
        }
        break;

    case 'F':
    case 'U':
        snprintf(fname, sizeof(fname),
             "%s/%s", path, me.header[me.now - me.page].filename);
        if (me.now < me.num && HAS_PERM(PERM_BASIC) && dashf(fname)) {
        a_forward(path, &me.header[me.now - me.page], ch /* == 'U' */ );
        /* By CharlieL */
        } else
        outmsg("無法轉寄此項目");

        me.page = 9999;
        refresh();
        sleep(1);
        break;
    }

    if (me.level >= MANAGER) {
        int             page0 = me.page;

        switch (ch) {
        case 'n':
        a_newitem(&me, ADDITEM);
        me.page = 9999;
        break;
        case 'g':
        a_newitem(&me, ADDGROUP);
        me.page = 9999;
        break;
        case 'G':
        a_newitem(&me, ADDGOPHER);
        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;
        default:
        me.page = page0;
        break;
        }

        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;
        }
    }
    if (me.level == SYSOP) {
        switch (ch) {
        case 'l':
        a_newitem(&me, ADDLINK);
        me.page = 9999;
        break;
        case 'N':
        a_showname(&me);
        me.page = 9999;
        break;
        }
    }
    }
    free(me.header);
    return returnvalue;
}

static char    *mytitle = BBSNAME "佈告欄";

int
Announce()
{
    setutmpmode(ANNOUNCE);
    a_menu(mytitle, "man",
       ((HAS_PERM(PERM_SYSOP) || HAS_PERM(PERM_ANNOUNCE)) ? SYSOP :
        NOBODY));
    return 0;
}