/* $Id$ */
#include "bbs.h"
#ifndef DBCSAWARE
#define dbcs_off (1)
#endif
#define STOP_LINE (t_lines-3)
static int chatline;
static FILE *flog;
static void
printchatline(const char *str)
{
move(chatline, 0);
if (*str == '>' && !PERM_HIDE(currutmp))
return;
else if (chatline < STOP_LINE - 1)
chatline++;
else {
region_scroll_up(2, STOP_LINE - 2);
move(STOP_LINE - 2, 0);
}
outs(str);
outc('\n');
outs("→");
if (flog)
fprintf(flog, "%s\n", str);
}
static void
chat_clear(char*unused)
{
for (chatline = 2; chatline < STOP_LINE; chatline++) {
move(chatline, 0);
clrtoeol();
}
move(b_lines, 0);
clrtoeol();
move(chatline = 2, 0);
outs("→");
}
static void
print_chatid(const char *chatid)
{
move(b_lines - 1, 0);
clrtoeol();
outs(chatid);
outc(':');
}
static int
chat_send(int fd, const char *buf)
{
int len;
char genbuf[200];
len = snprintf(genbuf, sizeof(genbuf), "%s\n", buf);
return (send(fd, genbuf, len, 0) == len);
}
struct ChatBuf {
char buf[128];
int bufstart;
};
static int
chat_recv(struct ChatBuf *cb, int fd, char *chatroom, char *chatid, size_t chatid_size)
{
int c, len;
char *bptr;
len = sizeof(cb->buf) - cb->bufstart - 1;
if ((c = recv(fd, cb->buf + cb->bufstart, len, 0)) <= 0)
return -1;
c += cb->bufstart;
bptr = cb->buf;
while (c > 0) {
len = strlen(bptr) + 1;
if (len > c && (unsigned)len < (sizeof(cb->buf)/ 2) )
break;
if (*bptr == '/') {
switch (bptr[1]) {
case 'c':
chat_clear(NULL);
break;
case 'n':
strlcpy(chatid, bptr + 2, chatid_size);
print_chatid(chatid);
clrtoeol();
break;
case 'r':
strlcpy(chatroom, bptr + 2, sizeof(chatroom));
break;
case 't':
move(0, 0);
clrtoeol();
prints(ANSI_COLOR(1;37;46) " 談天室 [%-12s] " ANSI_COLOR(45) " 話題:%-48s" ANSI_RESET,
chatroom, bptr + 2);
}
} else
printchatline(bptr);
c -= len;
bptr += len;
}
if (c > 0) {
memmove(cb->buf, bptr, sizeof(cb->buf)-(bptr-cb->buf));
cb->bufstart = len - 1;
} else
cb->bufstart = 0;
return 0;
}
static void
chathelp(const char *cmd, const char *desc)
{
char buf[STRLEN];
snprintf(buf, sizeof(buf), " %-20s- %s", cmd, desc);
printchatline(buf);
}
static void
chat_help(char *arg)
{
if (strstr(arg, " op")) {
printchatline("談天室管理員專用指令");
chathelp("[/f]lag [+-][ls]", "設定鎖定、秘密狀態");
chathelp("[/i]nvite <id>", "邀請 <id> 加入談天室");
chathelp("[/k]ick <id>", "將 <id> 踢出談天室");
chathelp("[/o]p <id>", "將 Op 的權力轉移給 <id>");
chathelp("[/t]opic <text>", "換個話題");
chathelp("[/w]all", "廣播 (站長專用)");
} else {
// chathelp("[/.]help", "chicken 鬥雞用指令");
chathelp(" /help op", "談天室管理員專用指令");
chathelp("[//]help", "MUD-like 社交動詞");
chathelp("[/a]ct <msg>", "做一個動作");
chathelp("[/b]ye [msg]", "道別");
chathelp("[/c]lear", "清除螢幕");
chathelp("[/j]oin <room>", "建立或加入談天室");
chathelp("[/l]ist [room]", "列出談天室使用者");
chathelp("[/m]sg <id> <msg>", "跟 <id> 說悄悄話");
chathelp("[/n]ick <id>", "將談天代號換成 <id>");
chathelp("[/p]ager", "切換呼叫器");
chathelp("[/q]uery <id>", "查詢網友");
chathelp("[/r]oom ", "列出一般談天室");
chathelp("[/w]ho", "列出本談天室使用者");
chathelp(" /whoin <room>", "列出談天室<room> 的使用者");
chathelp(" /ignore <userid>", "忽略指定使用者的訊息");
chathelp(" /unignore <userid>", "停止忽略指定使用者的訊息");
}
}
static void
chat_date(char *unused)
{
char genbuf[200];
snprintf(genbuf, sizeof(genbuf),
"◆ " BBSNAME "標準時間: %s", Cdate(&now));
printchatline(genbuf);
}
static void
chat_pager(char *unused)
{
char genbuf[200];
char *msgs[PAGER_MODES] = {
/* Ref: please match PAGER* in modes.h */
"關閉", "打開", "拔掉", "防水", "好友"
};
snprintf(genbuf, sizeof(genbuf), "◆ 您的呼叫器:[%s]",
msgs[currutmp->pager = (currutmp->pager + 1) % PAGER_MODES]);
printchatline(genbuf);
}
static void
chat_query(char *arg)
{
char *uid;
int tuid;
userec_t xuser;
char *strtok_pos;
printchatline("");
strtok_r(arg, str_space, &strtok_pos);
if ((uid = strtok_r(NULL, str_space, &strtok_pos)) && (tuid = getuser(uid, &xuser))) {
char buf[ANSILINELEN], *ptr;
FILE *fp;
snprintf(buf, sizeof(buf), "%s(%s) 共上站 %d 次,發表過 %d 篇文章",
xuser.userid, xuser.nickname,
xuser.numlogins, xuser.numposts);
printchatline(buf);
snprintf(buf, sizeof(buf),
"最近(%s)從[%s]上站", Cdate(&xuser.lastlogin),
(xuser.lasthost[0] ? xuser.lasthost : "(不詳)"));
printchatline(buf);
sethomefile(buf, xuser.userid, fn_plans);
if ((fp = fopen(buf, "r"))) {
tuid = 0;
while (tuid++ < MAX_QUERYLINES && fgets(buf, sizeof(buf), fp)) {
if ((ptr = strchr(buf, '\n')))
ptr[0] = '\0';
printchatline(buf);
}
fclose(fp);
}
} else
printchatline(err_uid);
}
typedef struct chat_command_t {
char *cmdname; /* Chatroom command length */
void (*cmdfunc) (char *); /* Pointer to function */
} chat_command_t;
static const chat_command_t chat_cmdtbl[] = {
{"help", chat_help},
{"clear", chat_clear},
{"date", chat_date},
{"pager", chat_pager},
{"query", chat_query},
{NULL, NULL}
};
static int
chat_cmd_match(const char *buf, const char *str)
{
while (*str && *buf && !isspace((int)*buf))
if (tolower(*buf++) != *str++)
return 0;
return 1;
}
static int
chat_cmd(char *buf, int fd)
{
int i;
if (*buf++ != '/')
return 0;
for (i = 0; chat_cmdtbl[i].cmdname; i++) {
if (chat_cmd_match(buf, chat_cmdtbl[i].cmdname)) {
chat_cmdtbl[i].cmdfunc(buf);
return 1;
}
}
return 0;
}
typedef struct {
struct ChatBuf *chatbuf;
int cfd;
char *chatroom;
char *chatid;
int *chatting;
} ChatCbParam;
// static
int
_vgetcb_peek(int key, char *buf, int *picurr, int *piend, int len, void *ptr)
{
ChatCbParam *p = (ChatCbParam*) ptr;
assert(p);
switch (key) {
case I_OTHERDATA: // incoming
// XXX why 9? I don't know... just copied from old code.
if (chat_recv(p->chatbuf, p->cfd, p->chatroom, p->chatid, 9) == -1) {
chat_send(p->cfd, "/b");
*(p->chatting) = 0;
return VGETCB_ABORT;
}
return VGETCB_NEXT;
case Ctrl('C'):
chat_send(p->cfd, "/b");
*(p->chatting) = 0;
return VGETCB_ABORT;
case Ctrl('I'):
{
VREFSCR scr = vscr_save();
add_io(0, 0);
t_idle();
vscr_restore(scr);
add_io(p->cfd, 0);
}
return VGETCB_NEXT;
}
return VGETCB_NONE;
}
static int chatid_len = 10;
int
t_chat(void)
{
static time4_t lastEnter = 0;
char chatroom[IDLEN+1] = "";/* Chat-Room Name */
char inbuf[80], chatid[20] = "", *ptr = "";
struct sockaddr_in sin;
int cfd;
int chatting = YEA;
char fpath[PATHLEN];
struct ChatBuf chatbuf;
ChatCbParam vgetparam = {0};
if(HasUserPerm(PERM_VIOLATELAW))
{
vmsg("請先繳罰單才能使用聊天室!");
return -1;
}
syncnow();
#ifdef CHAT_GAPMINS
if ((now - lastEnter)/60 < CHAT_GAPMINS)
{
vmsg("您才剛離開聊天室,裡面正在整理中。請稍後再試。");
return 0;
}
#endif
#ifdef CHAT_REGDAYS
if ((now - cuser.firstlogin)/86400 < CHAT_REGDAYS)
{
int i = CHAT_REGDAYS - (now-cuser.firstlogin)/86400 +1;
vmsgf("您還不夠資深喔 (再等 %d 天吧)", i);
return 0;
}
#endif
memset(&chatbuf, 0, sizeof(chatbuf));
outs(" 驅車前往 請梢候........ ");
memset(&sin, 0, sizeof sin);
#ifdef __FreeBSD__
sin.sin_len = sizeof(sin);
#endif
sin.sin_family = PF_INET;
sin.sin_addr.s_addr = htonl(INADDR_LOOPBACK);
sin.sin_port = htons(NEW_CHATPORT);
cfd = socket(sin.sin_family, SOCK_STREAM, 0);
if (connect(cfd, (struct sockaddr *) & sin, sizeof sin) != 0) {
outs("\n "
"哇! 沒人在那邊耶...要有那地方的人先去開門啦!...");
system("bin/xchatd");
pressanykey();
close(cfd);
return -1;
}
while (1) {
getdata(b_lines - 1, 0, "請輸入聊天代號:", chatid, 9, DOECHO);
if(!chatid[0])
strlcpy(chatid, cuser.userid, sizeof(chatid));
chatid[8] = '\0';
/*
* 新格式: /! UserID ChatID Password
*/
snprintf(inbuf, sizeof(inbuf), "/! %s %s %s",
cuser.userid, chatid, cuser.passwd);
chat_send(cfd, inbuf);
if (recv(cfd, inbuf, 3, 0) != 3) {
close(cfd);
vmsg("系統錯誤。");
return 0;
}
if (!strcmp(inbuf, CHAT_LOGIN_OK))
break;
else if (!strcmp(inbuf, CHAT_LOGIN_EXISTS))
ptr = "這個代號已經有人用了";
else if (!strcmp(inbuf, CHAT_LOGIN_INVALID))
ptr = "這個代號是錯誤的";
else if (!strcmp(inbuf, CHAT_LOGIN_BOGUS))
ptr = "請勿派遣分身進入聊天室 !!";
move(b_lines - 2, 0);
outs(ptr);
clrtoeol();
bell();
}
syncnow();
lastEnter = now;
add_io(cfd, 0);
setutmpmode(CHATING);
currutmp->in_chat = YEA;
strlcpy(currutmp->chatid, chatid, sizeof(currutmp->chatid));
clear();
chatline = 2;
move(STOP_LINE, 0);
outs(msg_seperator);
move(STOP_LINE, 56);
outs(" /h 查詢指令 /b 離開 ");
move(1, 0);
outs(msg_seperator);
print_chatid(chatid);
memset(inbuf, 0, sizeof(inbuf));
setuserfile(fpath, "chat_XXXXXX");
flog = fdopen(mkstemp(fpath), "w");
// set up vgetstring callback parameter
VGET_CALLBACKS vge = { _vgetcb_peek };
vgetparam.chatbuf = &chatbuf;
vgetparam.cfd = cfd;
vgetparam.chatid = chatid;
vgetparam.chatroom = chatroom;
vgetparam.chatting = &chatting;
while (chatting) {
print_chatid(chatid);
move(b_lines-1, chatid_len);
// chatid_len = 10, quote(:) occupies 1, so 79-11=68
vgetstring(inbuf, 68, VGET_TRANSPARENT, "", &vge, &vgetparam);
// quick check for end flag or exit command.
if (!chatting || strncmp(inbuf, "/b", 2) == 0)
break;
// quick continue for empty input
if (!*inbuf)
continue;
#ifdef EXP_ANTIFLOOD
{
// prevent flooding */
static time4_t lasttime = 0;
static int flood = 0;
syncnow();
if (now - lasttime < 3 )
{
// 3 秒內洗半面是不行的 ((25-5)/2)
if( ++flood > 10 ){
// flush all input!
drop_input();
while (wait_input(1, 0))
{
if (num_in_buf())
drop_input();
else
tty_read((unsigned char*)inbuf, sizeof(inbuf));
}
drop_input();
vmsg("請勿大量剪貼或造成洗板面的效果。");
// log?
sleep(2);
continue;
}
} else {
lasttime = now;
flood = 0;
}
}
#endif // anti-flood
// send message to server if possible.
if (!chat_cmd(inbuf, cfd))
chatting = chat_send(cfd, inbuf);
// print mail message if possible.
if (ISNEWMAIL(currutmp))
printchatline("◆ 噹!郵差又來了...");
}
close(cfd);
add_io(0, 0);
currutmp->in_chat = currutmp->chatid[0] = 0;
if (flog) {
char ans[4];
fclose(flog);
more(fpath, NA);
getdata(b_lines - 1, 0, "清除(C) 移至備忘錄(M) (C/M)?[C]",
ans, sizeof(ans), LCECHO);
if (*ans == 'm') {
if (mail_log2id(cuser.userid, "會議記錄",
fpath, "[備.忘.錄]", 0, 1) < 0)
vmsg("備忘錄儲存失敗。");
}
unlink(fpath);
}
return 0;
}