path: root/mbbsd/announce.c

/* $Id: announce.c,v 1.7 2002/05/10 19:34:51 in2 Exp $ */
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <syslog.h>
#include <netdb.h>
#include <unistd.h>
#include <setjmp.h>
#include <signal.h>
#include <time.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include "config.h"
#include "pttstruct.h"
#include "perm.h"
#include "common.h"
#include "modes.h"
#include "proto.h"

extern struct bcache_t *brdshm;
extern int b_lines;
extern int p_lines;
extern int TagNum;
extern int currbid;
static void g_showmenu(gmenu_t *pm) {
    static 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;
}

extern char *str_author1;

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

    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/"
extern userec_t cuser;
extern userinfo_t *currutmp;

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)) {
        time_t now;
        
        time(&now);
        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];
extern time_t paste_time;
extern char paste_path[];
extern char paste_title[];
extern int paste_level;

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]);
        */
        sprintf(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/版主 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),
            brdshm->number,
            completeboard_compar,
            completeboard_permission,
            completeboard_getname);
    if(*buf)
    strcpy(xboard, buf);
    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;
}

extern char vetitle[];

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;

            strcpy(newpath, paste_path);
            if(mode == (char) 0xbc) {
                stampfile(newpath, &item);
                unlink(newpath);
                Link(fname, newpath);
            } else
                stampdir(newpath, &item);
            strcpy(item.owner, cuser.userid);
            sprintf(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);
            strcpy(vetitle, title);
            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);
            strcpy(vetitle, title);
            }
        } else if(mode == (char) 0xbd) {
            gem(title, node, update);
        }
        me.page = 9999;
        }
        break;
    }
    }
    for(ch = 0; ch < me.num; ch++)
    free(me.item[ch]);
}

extern char *msg_fwd_ok;
extern char *msg_fwd_err1;
extern char *msg_fwd_err2;

static void a_forward(char *path, fileheader_t *pitem, int mode) {
    fileheader_t fhdr;
    
    strcpy(fhdr.filename, pitem->filename);
    strcpy(fhdr.title, pitem->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*/  
    strcpy(pm->header[pm->now - pm->page].filename, myheader->filename);
}

#define ADDITEM         0
#define ADDGROUP        1
#define ADDGOPHER       2
#define ADDLINK         3
extern char currboard[];

static void a_newitem(menu_t *pm, int mode) {
    static 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;

    strcpy(fpath, pm->path);

    switch(mode) {
    case ADDITEM:
    stampfile(fpath, &item);
    strcpy(item.title, "◇ ");  /* A1BA */
    break;
    
    case ADDGROUP:
    stampdir(fpath, &item);
    strcpy(item.title, "◆ ");  /* A1BB */
    break;
    case ADDGOPHER:
    bzero(&item, sizeof(item));
    strcpy(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:
        sprintf(lpath, BBSHOME "/man/boards/%c/%s/%s",
            currboard[0], currboard, buf);
        break;
        case 1:
        sprintf(lpath, "%s%s/%c/%s",
            BBSHOME, "/man/boards/" , buf[0], buf);
        break;
        case 2:
        sprintf(lpath, "%s%s%s",
            BBSHOME, "/" , buf);
        break;
        case 3:
        sprintf(lpath, "%s%s%s",
            BBSHOME, "/etc/" , buf);
        break;
        }
        if(dashf(lpath)) {
        strcpy(item.title, "☆ ");        /* A1B3 */
        break;
        } else if (dashd(lpath)) {
        strcpy(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:
    strcpy(item.date, "70");
    strncpy(item.filename, "H.",2);
    break;
    }

    strcpy(item.owner, cuser.userid);
    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) {
        sprintf(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') {
        strcpy(newpath, pm->path);

        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));
        strcpy(item.filename, fname + 1);
        memcpy(copytitle, "◎", 2);
        if(HAS_PERM(PERM_BBSADM))
            Link(copyfile, newpath);
        else {
            sprintf(buf, "/bin/cp %s %s", copyfile, newpath);
            system(buf);
        }
        } else if(dashf(copyfile)) {
        stampfile(newpath, &item);
        memcpy(copytitle, "◇", 2);
        sprintf(buf, "/bin/cp %s %s", copyfile, newpath);
        } else if(dashd(copyfile)) {
        stampdir(newpath, &item);
        memcpy(copytitle, "◆", 2);
        sprintf(buf, "/bin/cp -r %s/* %s/.D* %s", copyfile, copyfile,
            newpath);
        } else {
        outs("無法拷貝！");
        igetch();
        return;
        }
        strcpy(item.owner, *copyowner ? copyowner : cuser.userid);
        strcpy(item.title, copytitle);
        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)) {
        sprintf(fname, "%s/%s", pm->path,
            pm->header[pm->now-pm->page].filename);
        if(dashf(fname)) {
        if(isask) {
            sprintf(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) {
    extern int TagNum;
    extern void EnumTagFhdr();
    extern void UnTagger(int locus);
    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;

    sprintf(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];

    sprintf(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;

    sprintf(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);
    strcpy(backup.owner, cuser.userid);
    strcpy(backup.title,pm->header[pm->now - pm->page].title + 2);
    backup.savemode = 'D';

    sprintf(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); 

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

    strcpy(backup.owner, cuser.userid); 
    strcpy(backup.title,pm->header[pm->now - pm->page].title +2); 
    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);
    strcpy(buf,item.title + 3);
    if(getdata_buf(b_lines - 1, 1, "新標題：", buf, 60, DOECHO)) {
    strcpy(item.title + 3, buf);
    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);
    sprintf(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);
    sprintf(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

extern char currtitle[TTLEN + 1];

char trans_buffer[256];
extern char quote_file[];
extern unsigned int currstat;

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;
    strcpy(me.mtitle, maintitle);
    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':
        sprintf(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;

            strcpy(fpath, path);
            stampfile(fpath, &fhdr);
            unlink(fpath);
            Rename(fname, fpath);
            strcpy(me.header[me.now-me.page].filename, fhdr.filename);
            strcpy(me.header[me.now-me.page].owner, cuser.userid);
            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) {
        if(!isvisible_man(&me)) break;
        sprintf(fname, "%s/%s", path,
            me.header[me.now-me.page].filename);
        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;
        sprintf(fname, "%s/%s", path, fhdr->filename);
        if(*fhdr->filename == 'H' && fhdr->filename[1] == '.') {
            item_t item;
            strcpy(item.X.G.server, fhdr->filename + 2);
            strcpy(item.X.G.path, "1/");
            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') {
                strcpy(trans_buffer,fname);
                Fexit = 1;
                if(currstat == OSONG){              
                    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;
            sprintf(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':
        sprintf(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;
}