/*
 * commands.c   -- user commands handling
 *
 * Copyright (C) 2005, 2006 Mikael Berthe <bmikael@lists.lilotux.net>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or (at
 * your option) any later version.
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
 * USA
 */

#include <string.h>

#include "commands.h"
#include "help.h"
#include "jabglue.h"
#include "roster.h"
#include "screen.h"
#include "compl.h"
#include "hooks.h"
#include "hbuf.h"
#include "utils.h"
#include "settings.h"
#include "events.h"

#define IMSTATUS_AWAY           "away"
#define IMSTATUS_ONLINE         "online"
#define IMSTATUS_OFFLINE        "offline"
#define IMSTATUS_FREE4CHAT      "free"
#define IMSTATUS_INVISIBLE      "invisible"
#define IMSTATUS_AVAILABLE      "avail"
#define IMSTATUS_NOTAVAILABLE   "notavail"
#define IMSTATUS_DONOTDISTURB   "dnd"

// Return value container for the following functions
static int retval_for_cmds;

// Commands callbacks
static void do_roster(char *arg);
static void do_status(char *arg);
static void do_status_to(char *arg);
static void do_add(char *arg);
static void do_del(char *arg);
static void do_group(char *arg);
static void do_say(char *arg);
static void do_msay(char *arg);
static void do_say_to(char *arg);
static void do_buffer(char *arg);
static void do_clear(char *arg);
static void do_info(char *arg);
static void do_rename(char *arg);
static void do_move(char *arg);
static void do_set(char *arg);
static void do_alias(char *arg);
static void do_bind(char *arg);
static void do_connect(char *arg);
static void do_disconnect(char *arg);
static void do_rawxml(char *arg);
static void do_room(char *arg);
static void do_authorization(char *arg);
static void do_version(char *arg);
static void do_request(char *arg);
static void do_event(char *arg);
static void do_help(char *arg);
static void do_pgp(char *arg);
static void do_iline(char *arg);
static void do_screen_refresh(char *arg);
static void do_chat_disable(char *arg);
static void do_source(char *arg);

// Global variable for the commands list
static GSList *Commands;


//  cmd_add()
// Adds a command to the commands list and to the CMD completion list
static void cmd_add(const char *name, const char *help,
        guint flags_row1, guint flags_row2, void (*f)(char*))
{
  cmd *n_cmd = g_new0(cmd, 1);
  strncpy(n_cmd->name, name, 32-1);
  n_cmd->help = help;
  n_cmd->completion_flags[0] = flags_row1;
  n_cmd->completion_flags[1] = flags_row2;
  n_cmd->func = f;
  Commands = g_slist_append(Commands, n_cmd);
  // Add to completion CMD category
  compl_add_category_word(COMPL_CMD, name);
}

//  cmd_init()
// Commands table initialization
// !!!
// After changing commands names and it arguments names here, you must change
// ones in init_bindings()!
//
void cmd_init(void)
{
  cmd_add("add", "Add a jabber user", COMPL_JID, 0, &do_add);
  cmd_add("alias", "Add an alias", 0, 0, &do_alias);
  cmd_add("authorization", "Manage subscription authorizations",
          COMPL_AUTH, COMPL_JID, &do_authorization);
  cmd_add("bind", "Add an key binding", 0, 0, &do_bind);
  cmd_add("buffer", "Manipulate current buddy's buffer (chat window)",
          COMPL_BUFFER, 0, &do_buffer);
  cmd_add("clear", "Clear the dialog window", 0, 0, &do_clear);
  cmd_add("connect", "Connect to the server", 0, 0, &do_connect);
  cmd_add("del", "Delete the current buddy", 0, 0, &do_del);
  cmd_add("disconnect", "Disconnect from server", 0, 0, &do_disconnect);
  cmd_add("event", "Process an event", COMPL_EVENTSID, COMPL_EVENTS, &do_event);
  cmd_add("group", "Change group display settings", COMPL_GROUP, 0, &do_group);
  cmd_add("help", "Display some help", COMPL_CMD, 0, &do_help);
  cmd_add("info", "Show basic info on current buddy", 0, 0, &do_info);
  cmd_add("move", "Move the current buddy to another group", COMPL_GROUPNAME,
          0, &do_move);
  cmd_add("msay", "Send a multi-lines message to the selected buddy",
          COMPL_MULTILINE, 0, &do_msay);
  cmd_add("pgp", "Manage PGP settings", COMPL_PGP, COMPL_JID, &do_pgp);
  cmd_add("quit", "Exit the software", 0, 0, NULL);
  cmd_add("rawxml", "Send a raw XML string", 0, 0, &do_rawxml);
  cmd_add("rename", "Rename the current buddy", 0, 0, &do_rename);
  cmd_add("request", "Send a Jabber IQ request", COMPL_REQUEST, COMPL_JID,
          &do_request);
  cmd_add("room", "MUC actions command", COMPL_ROOM, 0, &do_room);
  cmd_add("roster", "Manipulate the roster/buddylist", COMPL_ROSTER, 0,
          &do_roster);
  cmd_add("say", "Say something to the selected buddy", 0, 0, &do_say);
  cmd_add("say_to", "Say something to a specific buddy", COMPL_JID, 0,
          &do_say_to);
  //cmd_add("search");
  cmd_add("set", "Set/query an option value", 0, 0, &do_set);
  cmd_add("source", "Read a configuration file", 0, 0, &do_source);
  cmd_add("status", "Show or set your status", COMPL_STATUS, 0, &do_status);
  cmd_add("status_to", "Show or set your status for one recipient",
          COMPL_JID, COMPL_STATUS, &do_status_to);
  cmd_add("version", "Show mcabber version", 0, 0, &do_version);
  cmd_add("iline", "Manipulate input buffer", 0, 0, &do_iline);
  cmd_add("screen_refresh", "Redraw mcabber screen", 0, 0, &do_screen_refresh);
  cmd_add("chat_disable", "Disable chat mode", 0, 0, &do_chat_disable);

  // Status category
  compl_add_category_word(COMPL_STATUS, "online");
  compl_add_category_word(COMPL_STATUS, "avail");
  compl_add_category_word(COMPL_STATUS, "invisible");
  compl_add_category_word(COMPL_STATUS, "free");
  compl_add_category_word(COMPL_STATUS, "dnd");
  compl_add_category_word(COMPL_STATUS, "notavail");
  compl_add_category_word(COMPL_STATUS, "away");

  // Roster category
  compl_add_category_word(COMPL_ROSTER, "bottom");
  compl_add_category_word(COMPL_ROSTER, "top");
  compl_add_category_word(COMPL_ROSTER, "up");
  compl_add_category_word(COMPL_ROSTER, "down");
  compl_add_category_word(COMPL_ROSTER, "group_prev");
  compl_add_category_word(COMPL_ROSTER, "group_next");
  compl_add_category_word(COMPL_ROSTER, "hide");
  compl_add_category_word(COMPL_ROSTER, "show");
  compl_add_category_word(COMPL_ROSTER, "toggle");
  compl_add_category_word(COMPL_ROSTER, "hide_offline");
  compl_add_category_word(COMPL_ROSTER, "show_offline");
  compl_add_category_word(COMPL_ROSTER, "toggle_offline");
  compl_add_category_word(COMPL_ROSTER, "item_lock");
  compl_add_category_word(COMPL_ROSTER, "item_unlock");
  compl_add_category_word(COMPL_ROSTER, "alternate");
  compl_add_category_word(COMPL_ROSTER, "search");
  compl_add_category_word(COMPL_ROSTER, "unread_first");
  compl_add_category_word(COMPL_ROSTER, "unread_next");
  compl_add_category_word(COMPL_ROSTER, "note");

  // Roster category
  compl_add_category_word(COMPL_BUFFER, "clear");
  compl_add_category_word(COMPL_BUFFER, "bottom");
  compl_add_category_word(COMPL_BUFFER, "top");
  compl_add_category_word(COMPL_BUFFER, "up");
  compl_add_category_word(COMPL_BUFFER, "down");
  compl_add_category_word(COMPL_BUFFER, "search_backward");
  compl_add_category_word(COMPL_BUFFER, "search_forward");
  compl_add_category_word(COMPL_BUFFER, "date");
  compl_add_category_word(COMPL_BUFFER, "%");
  compl_add_category_word(COMPL_BUFFER, "purge");
  compl_add_category_word(COMPL_BUFFER, "close");
  compl_add_category_word(COMPL_BUFFER, "close_all");
  compl_add_category_word(COMPL_BUFFER, "scroll_lock");
  compl_add_category_word(COMPL_BUFFER, "scroll_unlock");
  compl_add_category_word(COMPL_BUFFER, "scroll_toggle");

  // Group category
  compl_add_category_word(COMPL_GROUP, "fold");
  compl_add_category_word(COMPL_GROUP, "unfold");
  compl_add_category_word(COMPL_GROUP, "toggle");

  // Multi-line (msay) category
  compl_add_category_word(COMPL_MULTILINE, "abort");
  compl_add_category_word(COMPL_MULTILINE, "begin");
  compl_add_category_word(COMPL_MULTILINE, "send");
  compl_add_category_word(COMPL_MULTILINE, "send_to");
  compl_add_category_word(COMPL_MULTILINE, "toggle");
  compl_add_category_word(COMPL_MULTILINE, "toggle_verbatim");
  compl_add_category_word(COMPL_MULTILINE, "verbatim");

  // Room category
  compl_add_category_word(COMPL_ROOM, "affil");
  compl_add_category_word(COMPL_ROOM, "ban");
  compl_add_category_word(COMPL_ROOM, "bookmark");
  compl_add_category_word(COMPL_ROOM, "destroy");
  compl_add_category_word(COMPL_ROOM, "invite");
  compl_add_category_word(COMPL_ROOM, "join");
  compl_add_category_word(COMPL_ROOM, "kick");
  compl_add_category_word(COMPL_ROOM, "leave");
  compl_add_category_word(COMPL_ROOM, "names");
  compl_add_category_word(COMPL_ROOM, "nick");
  compl_add_category_word(COMPL_ROOM, "privmsg");
  compl_add_category_word(COMPL_ROOM, "remove");
  compl_add_category_word(COMPL_ROOM, "role");
  compl_add_category_word(COMPL_ROOM, "topic");
  compl_add_category_word(COMPL_ROOM, "unlock");
  compl_add_category_word(COMPL_ROOM, "whois");

  // Authorization category
  compl_add_category_word(COMPL_AUTH, "allow");
  compl_add_category_word(COMPL_AUTH, "cancel");
  compl_add_category_word(COMPL_AUTH, "request");
  compl_add_category_word(COMPL_AUTH, "request_unsubscribe");

  // Request (query) category
  compl_add_category_word(COMPL_REQUEST, "last");
  compl_add_category_word(COMPL_REQUEST, "time");
  compl_add_category_word(COMPL_REQUEST, "vcard");
  compl_add_category_word(COMPL_REQUEST, "version");

  // Events category
  compl_add_category_word(COMPL_EVENTS, "accept");
  compl_add_category_word(COMPL_EVENTS, "ignore");
  compl_add_category_word(COMPL_EVENTS, "reject");

  // PGP category
  compl_add_category_word(COMPL_PGP, "disable");
  compl_add_category_word(COMPL_PGP, "enable");
  compl_add_category_word(COMPL_PGP, "force");
  compl_add_category_word(COMPL_PGP, "info");
  compl_add_category_word(COMPL_PGP, "setkey");
}

//  expandalias(line)
// If there is one, expand the alias in line and returns a new allocated line
// If no alias is found, returns line
// Note : if the returned pointer is different from line, the caller should
//        g_free() the pointer after use
char *expandalias(char *line)
{
  const char *p1, *p2;
  char *word;
  const gchar *value;
  char *newline = line;

  // Ignore leading COMMAND_CHAR
  for (p1 = line ; *p1 == COMMAND_CHAR ; p1++)
    ;
  // Locate the end of the word
  for (p2 = p1 ; *p2 && (*p2 != ' ') ; p2++)
    ;
  // Extract the word
  word = g_strndup(p1, p2-p1);

  // Look for an alias in the list
  value = settings_get(SETTINGS_TYPE_ALIAS, (const char*)word);
  if (value) {
    // There is an alias to expand
    newline = g_new(char, strlen(value)+strlen(p2)+2);
    *newline = COMMAND_CHAR;
    strcpy(newline+1, value);
    strcat(newline, p2);
  }
  g_free(word);

  return newline;
}

//  cmd_get
// Finds command in the command list structure.
// Returns a pointer to the cmd entry, or NULL if command not found.
cmd *cmd_get(const char *command)
{
  const char *p1, *p2;
  char *com;
  GSList *sl_com;

  // Ignore leading COMMAND_CHAR
  for (p1 = command ; *p1 == COMMAND_CHAR ; p1++)
    ;
  // Locate the end of the command
  for (p2 = p1 ; *p2 && (*p2 != ' ') ; p2++)
    ;
  // Copy the clean command
  com = g_strndup(p1, p2-p1);

  // Look for command in the list
  for (sl_com=Commands; sl_com; sl_com = g_slist_next(sl_com)) {
    if (!strcasecmp(com, ((cmd*)sl_com->data)->name))
      break;
  }
  g_free(com);

  if (sl_com)       // Command has been found.
    return (cmd*)sl_com->data;
  return NULL;
}

//  send_message(msg)
// Write the message in the buddy's window and send the message on
// the network.
static void send_message(const char *msg, const char *subj)
{
  const char *bjid;
  gint crypted;

  if (!jb_getonline()) {
    scr_LogPrint(LPRINT_NORMAL, "You are not connected.");
    return;
  }

  if (!current_buddy) {
    scr_LogPrint(LPRINT_NORMAL, "No buddy is currently selected.");
    return;
  }

  bjid = CURRENT_JID;
  if (!bjid) {
    scr_LogPrint(LPRINT_NORMAL, "No buddy is currently selected.");
    return;
  }

  // Network part
  jb_send_msg(bjid, msg, buddy_gettype(BUDDATA(current_buddy)), subj, NULL,
              &crypted);

  if (crypted == -1) {
    scr_LogPrint(LPRINT_LOGNORM, "Encryption error.  Message was not sent.");
    return;
  }

  // Hook
  if (buddy_gettype(BUDDATA(current_buddy)) != ROSTER_TYPE_ROOM) {
    // local part (UI, logging, etc.)
    gchar *hmsg;
    if (subj)
      hmsg = g_strdup_printf("[%s]\n%s", subj, msg);
    else
      hmsg = (char*)msg;
    hk_message_out(bjid, NULL, 0, hmsg, crypted);
    if (hmsg != msg) g_free(hmsg);
  }
}

//  process_command(line, iscmd)
// Process a command line.
// If iscmd is TRUE, process the command even if verbatim mmode is set;
// it is intended to be used for key bindings.
// Return 255 if this is the /quit command, and 0 for the other commands.
int process_command(char *line, guint iscmd)
{
  char *p;
  char *xpline;
  cmd *curcmd;

  // We do alias expansion here
  if (iscmd || scr_get_multimode() != 2)
    xpline = expandalias(line);
  else
    xpline = line; // No expansion in verbatim multi-line mode

  // We want to have a copy
  if (xpline == line)
    xpline = g_strdup(line);

  // Remove trailing spaces:
  for (p=xpline ; *p ; p++)
    ;
  for (p-- ; p>xpline && (*p == ' ') ; p--)
    *p = 0;

  // Command "quit"?
  if ((iscmd || scr_get_multimode() != 2)
      && (!strncasecmp(xpline, mkcmdstr("quit"), strlen(mkcmdstr("quit"))))) {
    if (!xpline[5] || xpline[5] == ' ') {
      g_free(xpline);
      return 255;
    }
  }

  // If verbatim multi-line mode, we check if another /msay command is typed
  if (!iscmd && scr_get_multimode() == 2
      && (strncasecmp(xpline, mkcmdstr("msay "), strlen(mkcmdstr("msay "))))) {
    // It isn't an /msay command
    scr_append_multiline(xpline);
    g_free(xpline);
    return 0;
  }

  // Commands handling
  curcmd = cmd_get(xpline);

  if (!curcmd) {
    scr_LogPrint(LPRINT_NORMAL, "Unrecognized command.  "
                 "Please see the manual for a list of known commands.");
    g_free(xpline);
    return 0;
  }
  if (!curcmd->func) {
    scr_LogPrint(LPRINT_NORMAL,
                 "This functionality is not yet implemented, sorry.");
    g_free(xpline);
    return 0;
  }
  // Lets go to the command parameters
  for (p = xpline+1; *p && (*p != ' ') ; p++)
    ;
  // Skip spaces
  while (*p && (*p == ' '))
    p++;
  // Call command-specific function
  retval_for_cmds = 0;
  (*curcmd->func)(p);
  g_free(xpline);
  return retval_for_cmds;
}

//  process_line(line)
// Process a command/message line.
// If this isn't a command, this is a message and it is sent to the
// currently selected buddy.
// Return 255 if the line is the /quit command, or 0.
int process_line(char *line)
{
  if (!*line) { // User only pressed enter
    if (scr_get_multimode()) {
      scr_append_multiline("");
      return 0;
    }
    if (current_buddy) {
      // Enter chat mode
      scr_set_chatmode(TRUE);
      scr_ShowBuddyWindow();
    }
    return 0;
  }

  if (*line != COMMAND_CHAR) {
    // This isn't a command
    if (scr_get_multimode())
      scr_append_multiline(line);
    else
      do_say(line);
    return 0;
  }

  /* It is _probably_ a command -- except for verbatim multi-line mode */
  return process_command(line, FALSE);
}

// Helper routine for buffer item_{lock,unlock}
static void roster_buddylock(char *bjid, bool lock)
{
  gpointer bud = NULL;
  bool may_need_refresh = FALSE;

  // Allow special jid "" or "." (current buddy)
  if (bjid && (!*bjid || !strcmp(bjid, ".")))
    bjid = NULL;

  if (bjid) {
    // The JID has been specified.  Quick check...
    if (check_jid_syntax(bjid)) {
      scr_LogPrint(LPRINT_NORMAL|LPRINT_NOTUTF8,
                   "<%s> is not a valid Jabber ID.", bjid);
    } else {
      // Find the buddy
      GSList *roster_elt;
      roster_elt = roster_find(bjid, jidsearch,
                               ROSTER_TYPE_USER|ROSTER_TYPE_ROOM);
      if (roster_elt)
        bud = roster_elt->data;
      else
        scr_LogPrint(LPRINT_NORMAL, "This jid isn't in the roster.");
      may_need_refresh = TRUE;
    }
  } else {
    // Use the current buddy
    if (current_buddy)
      bud = BUDDATA(current_buddy);
  }

  // Update the ROSTER_FLAG_USRLOCK flag
  if (bud) {
    buddy_setflags(bud, ROSTER_FLAG_USRLOCK, lock);
    if (may_need_refresh)
      buddylist_build();
      update_roster = TRUE;
  }
}

//  display_and_free_note(note, winId)
// Display the note information in the winId buffer, and free note
// (winId is a bare jid or NULL for the status window, in which case we
// display the note jid too)
static void display_and_free_note(struct annotation *note, const char *winId)
{
  gchar tbuf[128];
  GString *sbuf;
  guint msg_flag = HBB_PREFIX_INFO;
  /* We use the flag prefix_info for the first line, and prefix_none
     for the other lines, for better readability */

  if (!note)
    return;

  sbuf = g_string_new("");

  if (!winId) {
    // We're writing to the status window, so let's show the jid too.
    g_string_printf(sbuf, "Annotation on <%s>", note->jid);
    scr_WriteIncomingMessage(winId, sbuf->str, 0, msg_flag);
    msg_flag = HBB_PREFIX_NONE;
  }

  // If we have the creation date, display it
  if (note->cdate) {
    strftime(tbuf, sizeof(tbuf), "%Y-%m-%d %H:%M:%S",
             localtime(&note->cdate));
    g_string_printf(sbuf, "Note created  %s", tbuf);
    scr_WriteIncomingMessage(winId, sbuf->str, 0, msg_flag);
    msg_flag = HBB_PREFIX_NONE;
  }
  // If we have the modification date, display it
  // unless it's the same as the creation date
  if (note->mdate && note->mdate != note->cdate) {
    strftime(tbuf, sizeof(tbuf), "%Y-%m-%d %H:%M:%S",
             localtime(&note->mdate));
    g_string_printf(sbuf, "Note modified %s", tbuf);
    scr_WriteIncomingMessage(winId, sbuf->str, 0, msg_flag);
    msg_flag = HBB_PREFIX_NONE;
  }
  // Note text
  g_string_printf(sbuf, "Note: %s", note->text);
  scr_WriteIncomingMessage(winId, sbuf->str, 0, msg_flag);

  g_string_free(sbuf, TRUE);
  g_free(note->text);
  g_free(note->jid);
  g_free(note);
}

static void display_all_annotations(void)
{
  GSList *notes;
  notes = jb_get_all_storage_rosternotes();

  if (!notes)
    return;

  // Call display_and_free_note() for each note,
  // with winId = NULL (special window)
  g_slist_foreach(notes, (GFunc)&display_and_free_note, NULL);
  scr_setmsgflag_if_needed(SPECIAL_BUFFER_STATUS_ID, TRUE);
  update_roster = TRUE;
  g_slist_free(notes);
}

static void roster_note(char *arg)
{
  const char *bjid;
  guint type;

  if (!current_buddy)
    return;

  bjid = buddy_getjid(BUDDATA(current_buddy));
  type = buddy_gettype(BUDDATA(current_buddy));

  if (!bjid && type == ROSTER_TYPE_SPECIAL && !arg) {
    // We're in the status window (the only special buffer currently)
    // Let's display all server notes
    display_all_annotations();
    return;
  }

  if (!bjid || (type != ROSTER_TYPE_USER &&
               type != ROSTER_TYPE_ROOM &&
               type != ROSTER_TYPE_AGENT)) {
    scr_LogPrint(LPRINT_NORMAL, "This item can't have a note.");
    return;
  }

  if (arg && *arg) {  // Set a note
    gchar *msg, *notetxt;
    msg = to_utf8(arg);
    if (!strcmp(msg, "-"))
      notetxt = NULL; // delete note
    else
      notetxt = msg;
    jb_set_storage_rosternotes(bjid, notetxt);
    g_free(msg);
  } else {      // Display a note
    struct annotation *note = jb_get_storage_rosternotes(bjid, FALSE);
    if (note) {
      display_and_free_note(note, bjid);
    } else {
      scr_WriteIncomingMessage(bjid, "This item doesn't have a note.", 0,
                               HBB_PREFIX_INFO);
    }
  }
}

/* Commands callback functions */
/* All these do_*() functions will be called with a "arg" parameter */
/* (with arg not null)                                              */

static void do_roster(char *arg)
{
  char **paramlst;
  char *subcmd;

  paramlst = split_arg(arg, 2, 1); // subcmd, arg
  subcmd = *paramlst;
  arg = *(paramlst+1);

  if (!subcmd || !*subcmd) {
    scr_LogPrint(LPRINT_NORMAL, "Missing parameter.");
    free_arg_lst(paramlst);
    return;
  }

  if (!strcasecmp(subcmd, "top")) {
    scr_RosterTop();
    update_roster = TRUE;
  } else if (!strcasecmp(subcmd, "bottom")) {
    scr_RosterBottom();
    update_roster = TRUE;
  } else if (!strcasecmp(subcmd, "hide")) {
    scr_RosterVisibility(0);
  } else if (!strcasecmp(subcmd, "show")) {
    scr_RosterVisibility(1);
  } else if (!strcasecmp(subcmd, "toggle")) {
    scr_RosterVisibility(-1);
  } else if (!strcasecmp(subcmd, "hide_offline")) {
    buddylist_set_hide_offline_buddies(TRUE);
    if (current_buddy)
      buddylist_build();
    update_roster = TRUE;
  } else if (!strcasecmp(subcmd, "show_offline")) {
    buddylist_set_hide_offline_buddies(FALSE);
    buddylist_build();
    update_roster = TRUE;
  } else if (!strcasecmp(subcmd, "toggle_offline")) {
    buddylist_set_hide_offline_buddies(-1);
    buddylist_build();
    update_roster = TRUE;
  } else if (!strcasecmp(subcmd, "item_lock")) {
    roster_buddylock(arg, TRUE);
  } else if (!strcasecmp(subcmd, "item_unlock")) {
    roster_buddylock(arg, FALSE);
  } else if (!strcasecmp(subcmd, "unread_first")) {
    scr_RosterUnreadMessage(0);
  } else if (!strcasecmp(subcmd, "unread_next")) {
    scr_RosterUnreadMessage(1);
  } else if (!strcasecmp(subcmd, "alternate")) {
    scr_RosterJumpAlternate();
  } else if (!strncasecmp(subcmd, "search", 6)) {
    strip_arg_special_chars(arg);
    if (!arg || !*arg) {
      scr_LogPrint(LPRINT_NORMAL, "What name or JID are you looking for?");
      free_arg_lst(paramlst);
      return;
    }
    scr_RosterSearch(arg);
    update_roster = TRUE;
  } else if (!strcasecmp(subcmd, "up")) {
    scr_RosterUp();
  } else if (!strcasecmp(subcmd, "down")) {
    scr_RosterDown();
  } else if (!strcasecmp(subcmd, "group_prev")) {
    scr_RosterPrevGroup();
  } else if (!strcasecmp(subcmd, "group_next")) {
    scr_RosterNextGroup();
  } else if (!strcasecmp(subcmd, "note")) {
    roster_note(arg);
  } else
    scr_LogPrint(LPRINT_NORMAL, "Unrecognized parameter!");
  free_arg_lst(paramlst);
}

//  setstatus(recipient, arg)
// Set your Jabber status.
// - if recipient is not NULL, the status is sent to this contact only
// - arg must be "status message" (message is optional)
void setstatus(const char *recipient, const char *arg)
{
  char **paramlst;
  char *status;
  char *msg;
  enum imstatus st;

  if (!jb_getonline()) {
    scr_LogPrint(LPRINT_NORMAL, "You are not connected.");
    return;
  }

  paramlst = split_arg(arg, 2, 0); // status, message
  status = *paramlst;
  msg = *(paramlst+1);

  if (!status) {
    free_arg_lst(paramlst);
    return;
  }

  if      (!strcasecmp(status, IMSTATUS_OFFLINE))       st = offline;
  else if (!strcasecmp(status, IMSTATUS_ONLINE))        st = available;
  else if (!strcasecmp(status, IMSTATUS_AVAILABLE))     st = available;
  else if (!strcasecmp(status, IMSTATUS_AWAY))          st = away;
  else if (!strcasecmp(status, IMSTATUS_INVISIBLE))     st = invisible;
  else if (!strcasecmp(status, IMSTATUS_DONOTDISTURB))  st = dontdisturb;
  else if (!strcasecmp(status, IMSTATUS_NOTAVAILABLE))  st = notavail;
  else if (!strcasecmp(status, IMSTATUS_FREE4CHAT))     st = freeforchat;
  else {
    scr_LogPrint(LPRINT_NORMAL, "Unrecognized status!");
    free_arg_lst(paramlst);
    return;
  }

  // Use provided message
  if (msg && !*msg) {
    msg = NULL;
  }

  // If a recipient is specified, let's don't use default status messages
  if (recipient && !msg)
    msg = "";

  jb_setstatus(st, recipient, msg, FALSE);

  free_arg_lst(paramlst);
}

static void do_status(char *arg)
{
  if (!*arg) {
    const char *sm = jb_getstatusmsg();
    scr_LogPrint(LPRINT_NORMAL, "Your status is: [%c] %s",
                 imstatus2char[jb_getstatus()],
                 (sm ? sm : ""));
    return;
  }
  arg = to_utf8(arg);
  setstatus(NULL, arg);
  g_free(arg);
}

static void do_status_to(char *arg)
{
  char **paramlst;
  char *fjid, *st, *msg;
  char *jid_utf8 = NULL;

  paramlst = split_arg(arg, 3, 1); // jid, status, [message]
  fjid = *paramlst;
  st = *(paramlst+1);
  msg = *(paramlst+2);

  if (!fjid || !st) {
    scr_LogPrint(LPRINT_NORMAL,
                 "Please specify both a Jabber ID and a status.");
    free_arg_lst(paramlst);
    return;
  }

  // Allow things like /status_to "" away
  if (!*fjid || !strcmp(fjid, "."))
    fjid = NULL;

  if (fjid) {
    // The JID has been specified.  Quick check...
    if (check_jid_syntax(fjid)) {
      scr_LogPrint(LPRINT_NORMAL|LPRINT_NOTUTF8,
                   "<%s> is not a valid Jabber ID.", fjid);
      fjid = NULL;
    } else {
      // Convert jid to lowercase
      char *p = fjid;
      for ( ; *p && *p != JID_RESOURCE_SEPARATOR; p++)
        *p = tolower(*p);
      fjid = jid_utf8 = to_utf8(fjid);
    }
  } else {
    // Add the current buddy
    if (current_buddy)
      fjid = (char*)buddy_getjid(BUDDATA(current_buddy));
    if (!fjid)
      scr_LogPrint(LPRINT_NORMAL, "Please specify a Jabber ID.");
  }

  if (fjid) {
    char *cmdline;
    if (!msg)
      msg = "";
    msg = to_utf8(msg);
    cmdline = g_strdup_printf("%s %s", st, msg);
    scr_LogPrint(LPRINT_LOGNORM, "Sending to <%s> /status %s", fjid, cmdline);
    setstatus(fjid, cmdline);
    g_free(msg);
    g_free(cmdline);
    g_free(jid_utf8);
  }
  free_arg_lst(paramlst);
}

static void do_add(char *arg)
{
  char **paramlst;
  char *id, *nick;
  char *jid_utf8 = NULL;

  if (!jb_getonline()) {
    scr_LogPrint(LPRINT_NORMAL, "You are not connected.");
    return;
  }

  paramlst = split_arg(arg, 2, 0); // jid, [nickname]
  id = *paramlst;
  nick = *(paramlst+1);

  if (!id)
    nick = NULL; // Allow things like: /add "" nick
  else if (!*id || !strcmp(id, "."))
    id = NULL;

  if (id) {
    // The JID has been specified.  Quick check...
    if (check_jid_syntax(id)) {
      scr_LogPrint(LPRINT_NORMAL|LPRINT_NOTUTF8,
                   "<%s> is not a valid Jabber ID.", id);
      id = NULL;
    } else {
      mc_strtolower(id);
      // Actually an UTF-8 id isn't needed because only the bare jid will
      // be used.
      id = jid_utf8 = to_utf8(id);
    }
  } else {
    // Add the current buddy
    if (current_buddy)
      id = (char*)buddy_getjid(BUDDATA(current_buddy));
    if (!id)
      scr_LogPrint(LPRINT_NORMAL, "Please specify a Jabber ID.");
  }

  if (nick)
    nick = to_utf8(nick);

  if (id) {
    // 2nd parameter = optional nickname
    jb_addbuddy(id, nick, NULL);
    scr_LogPrint(LPRINT_LOGNORM, "Sent presence notification request to <%s>.",
                 id);
  }

  g_free(jid_utf8);
  g_free(nick);
  free_arg_lst(paramlst);
}

static void do_del(char *arg)
{
  const char *bjid;

  if (*arg) {
    scr_LogPrint(LPRINT_NORMAL, "This action does not require a parameter; "
                 "the currently-selected buddy will be deleted.");
    return;
  }

  if (!current_buddy)
    return;
  bjid = buddy_getjid(BUDDATA(current_buddy));
  if (!bjid)
    return;

  if (buddy_gettype(BUDDATA(current_buddy)) & ROSTER_TYPE_ROOM) {
    // This is a chatroom
    if (buddy_getinsideroom(BUDDATA(current_buddy))) {
      scr_LogPrint(LPRINT_NORMAL, "You haven't left this room!");
      return;
    }
  }

  // Close the buffer
  scr_BufferPurge(1);

  scr_LogPrint(LPRINT_LOGNORM, "Removing <%s>...", bjid);
  jb_delbuddy(bjid);
  scr_UpdateBuddyWindow();
}

static void do_group(char *arg)
{
  gpointer group;
  guint leave_buddywindow;

  if (!*arg) {
    scr_LogPrint(LPRINT_NORMAL, "Missing parameter.");
    return;
  }

  if (!current_buddy)
    return;

  group = buddy_getgroup(BUDDATA(current_buddy));
  if (!group)
    return;

  // We'll have to redraw the chat window if we're not currently on the group
  // entry itself, because it means we'll have to leave the current buddy
  // chat window.
  leave_buddywindow = (group != BUDDATA(current_buddy));

  if (!(buddy_gettype(group) & ROSTER_TYPE_GROUP)) {
    scr_LogPrint(LPRINT_NORMAL, "You need to select a group.");
    return;
  }

  if (!strcasecmp(arg, "expand") || !strcasecmp(arg, "unfold")) {
    buddy_setflags(group, ROSTER_FLAG_HIDE, FALSE);
  } else if (!strcasecmp(arg, "shrink") || !strcasecmp(arg, "fold")) {
    buddy_setflags(group, ROSTER_FLAG_HIDE, TRUE);
  } else if (!strcasecmp(arg, "toggle")) {
    buddy_setflags(group, ROSTER_FLAG_HIDE,
            !(buddy_getflags(group) & ROSTER_FLAG_HIDE));
  } else {
    scr_LogPrint(LPRINT_NORMAL, "Unrecognized parameter!");
    return;
  }

  buddylist_build();
  update_roster = TRUE;
  if (leave_buddywindow) scr_ShowBuddyWindow();
}

static int send_message_to(const char *fjid, const char *msg, const char *subj)
{
  char *bare_jid, *rp;
  char *hmsg;
  gint crypted;
  gint retval = 0;

  if (!fjid || !*fjid) {
    scr_LogPrint(LPRINT_NORMAL, "You must specify a Jabber ID.");
    return 1;
  }
  if (!msg || !*msg) {
    scr_LogPrint(LPRINT_NORMAL, "You must specify a message.");
    return 1;
  }
  if (check_jid_syntax((char*)fjid)) {
    scr_LogPrint(LPRINT_NORMAL|LPRINT_NOTUTF8,
                 "<%s> is not a valid Jabber ID.", fjid);
    return 1;
  }

  // We must use the bare jid in hk_message_out()
  rp = strchr(fjid, JID_RESOURCE_SEPARATOR);
  if (rp) bare_jid = g_strndup(fjid, rp - fjid);
  else   bare_jid = (char*)fjid;

  // Jump to window, create one if needed
  scr_RosterJumpJid(bare_jid);

  // Check if we're sending a message to a conference room
  // If not, we must make sure rp is NULL, for hk_message_out()
  if (rp) {
    if (roster_find(bare_jid, jidsearch, ROSTER_TYPE_ROOM)) rp++;
    else rp = NULL;
  }

  // local part (UI, logging, etc.)
  if (subj)
    hmsg = g_strdup_printf("[%s]\n%s", subj, msg);
  else
    hmsg = (char*)msg;

  // Network part
  jb_send_msg(fjid, msg, ROSTER_TYPE_USER, subj, NULL, &crypted);

  if (crypted == -1) {
    scr_LogPrint(LPRINT_LOGNORM, "Encryption error.  Message was not sent.");
    retval = 1;
    goto send_message_to_return;
  }

  // Hook
  hk_message_out(bare_jid, rp, 0, hmsg, crypted);

send_message_to_return:
  if (hmsg != msg) g_free(hmsg);
  if (rp) g_free(bare_jid);
  return retval;
}

static void do_say(char *arg)
{
  gpointer bud;

  scr_set_chatmode(TRUE);
  scr_ShowBuddyWindow();

  if (!current_buddy) {
    scr_LogPrint(LPRINT_NORMAL,
                 "Whom are you talking to?  Please select a buddy.");
    return;
  }

  bud = BUDDATA(current_buddy);
  if (!(buddy_gettype(bud) &
        (ROSTER_TYPE_USER|ROSTER_TYPE_AGENT|ROSTER_TYPE_ROOM))) {
    scr_LogPrint(LPRINT_NORMAL, "This is not a user.");
    return;
  }

  buddy_setflags(bud, ROSTER_FLAG_LOCK, TRUE);
  arg = to_utf8(arg);
  send_message(arg, NULL);
  g_free(arg);
}

static void do_msay(char *arg)
{
  /* Parameters: begin verbatim abort send send_to */
  char **paramlst;
  char *subcmd;

  paramlst = split_arg(arg, 2, 1); // subcmd, arg
  subcmd = *paramlst;
  arg = *(paramlst+1);

  if (!subcmd || !*subcmd) {
    scr_LogPrint(LPRINT_NORMAL, "Missing parameter.");
    scr_LogPrint(LPRINT_NORMAL, "Please read the manual before using "
                 "the /msay command.");
    scr_LogPrint(LPRINT_NORMAL, "(Use \"%s begin\" to enter "
                 "multi-line mode...)", mkcmdstr("msay"));
    goto do_msay_return;
  }

  if (!strcasecmp(subcmd, "toggle")) {
    if (scr_get_multimode())
      subcmd = "send";
    else
      subcmd = "begin";
  } else if (!strcasecmp(subcmd, "toggle_verbatim")) {
    if (scr_get_multimode())
      subcmd = "send";
    else
      subcmd = "verbatim";
  }

  if (!strcasecmp(subcmd, "abort")) {
    if (scr_get_multimode())
      scr_LogPrint(LPRINT_NORMAL, "Leaving multi-line message mode.");
    scr_set_multimode(FALSE, NULL);
    goto do_msay_return;
  } else if ((!strcasecmp(subcmd, "begin")) ||
             (!strcasecmp(subcmd, "verbatim"))) {
    bool verbat;
    gchar *subj_utf8 = to_utf8(arg);
    if (!strcasecmp(subcmd, "verbatim")) {
      scr_set_multimode(2, subj_utf8);
      verbat = TRUE;
    } else {
      scr_set_multimode(1, subj_utf8);
      verbat = FALSE;
    }

    scr_LogPrint(LPRINT_NORMAL, "Entered %smulti-line message mode.",
                 verbat ? "VERBATIM " : "");
    scr_LogPrint(LPRINT_NORMAL, "Select a buddy and use \"%s send\" "
                 "when your message is ready.", mkcmdstr("msay"));
    if (verbat)
      scr_LogPrint(LPRINT_NORMAL, "Use \"%s abort\" to abort this mode.",
                   mkcmdstr("msay"));
    g_free(subj_utf8);
    goto do_msay_return;
  } else if (strcasecmp(subcmd, "send") && strcasecmp(subcmd, "send_to")) {
    scr_LogPrint(LPRINT_NORMAL, "Unrecognized parameter!");
    goto do_msay_return;
  }

  /* send/send_to command */

  if (!scr_get_multimode()) {
    scr_LogPrint(LPRINT_NORMAL, "No message to send.  "
                 "Use \"%s begin\" first.", mkcmdstr("msay"));
    goto do_msay_return;
  }

  scr_set_chatmode(TRUE);
  scr_ShowBuddyWindow();

  if (!strcasecmp(subcmd, "send_to")) {
    int err = FALSE;
    gchar *msg_utf8;
    // Let's send to the specified JID.  We leave now if there
    // has been an error (so we don't leave multi-line mode).
    arg = to_utf8(arg);
    msg_utf8 = to_utf8(scr_get_multiline());
    if (msg_utf8) {
      err = send_message_to(arg, msg_utf8, scr_get_multimode_subj());
      g_free(msg_utf8);
    }
    g_free(arg);
    if (err)
      goto do_msay_return;
  } else { // Send to currently selected buddy
    gpointer bud;
    gchar *msg_utf8;

    if (!current_buddy) {
      scr_LogPrint(LPRINT_NORMAL, "Whom are you talking to?");
      goto do_msay_return;
    }

    bud = BUDDATA(current_buddy);
    if (!(buddy_gettype(bud) &
          (ROSTER_TYPE_USER|ROSTER_TYPE_AGENT|ROSTER_TYPE_ROOM))) {
      scr_LogPrint(LPRINT_NORMAL, "This is not a user.");
      goto do_msay_return;
    }

    buddy_setflags(bud, ROSTER_FLAG_LOCK, TRUE);
    msg_utf8 = to_utf8(scr_get_multiline());
    if (msg_utf8) {
      send_message(msg_utf8, scr_get_multimode_subj());
      g_free(msg_utf8);
    }
  }
  scr_set_multimode(FALSE, NULL);
  scr_LogPrint(LPRINT_NORMAL, "You have left multi-line message mode.");
do_msay_return:
  free_arg_lst(paramlst);
}

static void do_say_to(char *arg)
{
  char **paramlst;
  char *fjid, *msg;

  if (!jb_getonline()) {
    scr_LogPrint(LPRINT_NORMAL, "You are not connected.");
    return;
  }

  paramlst = split_arg(arg, 2, 1); // jid, message
  fjid = *paramlst;
  msg = *(paramlst+1);

  if (!fjid || !strcmp(fjid, ".")) {
    scr_LogPrint(LPRINT_NORMAL, "Please specify a Jabber ID.");
    free_arg_lst(paramlst);
    return;
  }

  fjid = to_utf8(fjid);
  msg = to_utf8(msg);

  send_message_to(fjid, msg, NULL);

  g_free(fjid);
  g_free(msg);
  free_arg_lst(paramlst);
}

//  buffer_updown(updown, nblines)
// updown: -1=up, +1=down
inline static void buffer_updown(int updown, char *nlines)
{
  int nblines;

  if (!nlines || !*nlines)
    nblines = 0;
  else
    nblines = atoi(nlines);

  if (nblines >= 0)
    scr_BufferScrollUpDown(updown, nblines);
}

static void buffer_search(int direction, char *arg)
{
  if (!arg || !*arg) {
    scr_LogPrint(LPRINT_NORMAL, "Missing parameter.");
    return;
  }

  scr_BufferSearch(direction, arg);
}

static void buffer_date(char *date)
{
  time_t t;

  if (!date || !*date) {
    scr_LogPrint(LPRINT_NORMAL, "Missing parameter.");
    return;
  }

  strip_arg_special_chars(date);

  t = from_iso8601(date, 0);
  if (t)
    scr_BufferDate(t);
  else
    scr_LogPrint(LPRINT_NORMAL, "The date you specified is "
                 "not correctly formatted or invalid.");
}

static void buffer_percent(char *arg1, char *arg2)
{
  // Basically, user has typed "%arg1 arg2"
  // "%50"  -> arg1 = 50, arg2 null pointer
  // "% 50" -> arg1 = \0, arg2 = 50

  if (!*arg1 && (!arg2 || !*arg2)) { // No value
    scr_LogPrint(LPRINT_NORMAL, "Missing parameter.");
    return;
  }

  if (*arg1 && arg2 && *arg2) {     // Two values
    scr_LogPrint(LPRINT_NORMAL, "Wrong parameters.");
    return;
  }

  scr_BufferPercent(atoi((*arg1 ? arg1 : arg2)));
}

static void do_buffer(char *arg)
{
  char **paramlst;
  char *subcmd;

  if (!current_buddy)
    return;

  paramlst = split_arg(arg, 2, 1); // subcmd, arg
  subcmd = *paramlst;
  arg = *(paramlst+1);

  if (!subcmd || !*subcmd) {
    scr_LogPrint(LPRINT_NORMAL, "Missing parameter.");
    free_arg_lst(paramlst);
    return;
  }

  if (buddy_gettype(BUDDATA(current_buddy)) & ROSTER_TYPE_GROUP &&
      strcasecmp(subcmd, "close_all")) {
    scr_LogPrint(LPRINT_NORMAL, "Groups have no buffer.");
    free_arg_lst(paramlst);
    return;
  }

  if (!strcasecmp(subcmd, "top")) {
    scr_BufferTopBottom(-1);
  } else if (!strcasecmp(subcmd, "bottom")) {
    scr_BufferTopBottom(1);
  } else if (!strcasecmp(subcmd, "clear")) {
    scr_BufferClear();
  } else if (!strcasecmp(subcmd, "close")) {
    scr_BufferPurge(1);
  } else if (!strcasecmp(subcmd, "close_all")) {
    scr_BufferPurgeAll(1);
  } else if (!strcasecmp(subcmd, "purge")) {
    scr_BufferPurge(0);
  } else if (!strcasecmp(subcmd, "scroll_lock")) {
    scr_BufferScrollLock(1);
  } else if (!strcasecmp(subcmd, "scroll_unlock")) {
    scr_BufferScrollLock(0);
  } else if (!strcasecmp(subcmd, "scroll_toggle")) {
    scr_BufferScrollLock(-1);
  } else if (!strcasecmp(subcmd, "up")) {
    buffer_updown(-1, arg);
  } else if (!strcasecmp(subcmd, "down")) {
    buffer_updown(1, arg);
  } else if (!strcasecmp(subcmd, "search_backward")) {
    strip_arg_special_chars(arg);
    buffer_search(-1, arg);
  } else if (!strcasecmp(subcmd, "search_forward")) {
    strip_arg_special_chars(arg);
    buffer_search(1, arg);
  } else if (!strcasecmp(subcmd, "date")) {
    buffer_date(arg);
  } else if (*subcmd == '%') {
    buffer_percent(subcmd+1, arg);
  } else {
    scr_LogPrint(LPRINT_NORMAL, "Unrecognized parameter!");
  }

  free_arg_lst(paramlst);
}

static void do_clear(char *arg)    // Alias for "buffer clear"
{
  do_buffer("clear");
}

static void do_info(char *arg)
{
  gpointer bud;
  const char *bjid, *name;
  guint type;
  char *buffer;
  enum subscr esub;

  if (!current_buddy)
    return;
  bud = BUDDATA(current_buddy);

  bjid   = buddy_getjid(bud);
  name   = buddy_getname(bud);
  type   = buddy_gettype(bud);
  esub   = buddy_getsubscription(bud);

  buffer = g_new(char, 4096);

  if (bjid) {
    GSList *resources, *p_res;
    char *bstr = "unknown";

    // Enter chat mode
    scr_set_chatmode(TRUE);
    scr_ShowBuddyWindow();

    snprintf(buffer, 4095, "jid:  <%s>", bjid);
    scr_WriteIncomingMessage(bjid, buffer, 0, HBB_PREFIX_INFO);
    if (name) {
      snprintf(buffer, 4095, "Name: %s", name);
      scr_WriteIncomingMessage(bjid, buffer, 0, HBB_PREFIX_INFO);
    }

    if (type == ROSTER_TYPE_USER)       bstr = "user";
    else if (type == ROSTER_TYPE_ROOM)  bstr = "chatroom";
    else if (type == ROSTER_TYPE_AGENT) bstr = "agent";
    snprintf(buffer, 127, "Type: %s", bstr);
    scr_WriteIncomingMessage(bjid, buffer, 0, HBB_PREFIX_INFO);

    if (esub == sub_both)     bstr = "both";
    else if (esub & sub_from) bstr = "from";
    else if (esub & sub_to)   bstr = "to";
    else bstr = "none";
    snprintf(buffer, 64, "Subscription: %s", bstr);
    if (esub & sub_pending)
      strcat(buffer, " (pending)");
    scr_WriteIncomingMessage(bjid, buffer, 0, HBB_PREFIX_INFO);

    resources = buddy_getresources(bud);
    if (!resources && type == ROSTER_TYPE_USER) {
      // No resource; display last status message, if any.
      const char *rst_msg = buddy_getstatusmsg(bud, "");
      if (rst_msg) {
        snprintf(buffer, 4095, "Last status message: %s", rst_msg);
        scr_WriteIncomingMessage(bjid, buffer, 0, HBB_PREFIX_INFO);
      }
    }
    for (p_res = resources ; p_res ; p_res = g_slist_next(p_res)) {
      gchar rprio;
      enum imstatus rstatus;
      const char *rst_msg;
      time_t rst_time;
      struct pgp_data *rpgp;

      rprio   = buddy_getresourceprio(bud, p_res->data);
      rstatus = buddy_getstatus(bud, p_res->data);
      rst_msg = buddy_getstatusmsg(bud, p_res->data);
      rst_time = buddy_getstatustime(bud, p_res->data);
      rpgp = buddy_resource_pgp(bud, p_res->data);

      snprintf(buffer, 4095, "Resource: [%c] (%d) %s", imstatus2char[rstatus],
               rprio, (char*)p_res->data);
      scr_WriteIncomingMessage(bjid, buffer, 0, HBB_PREFIX_INFO);
      if (rst_msg) {
        snprintf(buffer, 4095, "Status message: %s", rst_msg);
        scr_WriteIncomingMessage(bjid, buffer, 0, HBB_PREFIX_NONE);
      }
      if (rst_time) {
        char tbuf[128];

        strftime(tbuf, sizeof(tbuf), "%Y-%m-%d %H:%M:%S", localtime(&rst_time));
        snprintf(buffer, 127, "Status timestamp: %s", tbuf);
        scr_WriteIncomingMessage(bjid, buffer, 0, HBB_PREFIX_NONE);
      }
#ifdef HAVE_GPGME
      if (rpgp && rpgp->sign_keyid) {
        snprintf(buffer, 4095, "PGP key id: %s", rpgp->sign_keyid);
        scr_WriteIncomingMessage(bjid, buffer, 0, HBB_PREFIX_NONE);
        if (rpgp->last_sigsum) {
          gpgme_sigsum_t ss = rpgp->last_sigsum;
          snprintf(buffer, 4095, "Last PGP signature: %s",
                  (ss & GPGME_SIGSUM_GREEN ? "good":
                   (ss & GPGME_SIGSUM_RED ? "bad" : "unknown")));
          scr_WriteIncomingMessage(bjid, buffer, 0, HBB_PREFIX_NONE);
        }
      }
#endif
      g_free(p_res->data);
    }
    g_slist_free(resources);
  } else {
    if (name) scr_LogPrint(LPRINT_NORMAL, "Name: %s", name);
    scr_LogPrint(LPRINT_NORMAL, "Type: %s",
                 type == ROSTER_TYPE_GROUP ? "group" :
                 (type == ROSTER_TYPE_SPECIAL ? "special" : "unknown"));
  }
  g_free(buffer);

  // Tell the user if this item has an annotation.
  if (type == ROSTER_TYPE_USER ||
      type == ROSTER_TYPE_ROOM ||
      type == ROSTER_TYPE_AGENT) {
    struct annotation *note = jb_get_storage_rosternotes(bjid, TRUE);
    if (note) {
      // We do not display the note, we just tell the user.
      g_free(note->text);
      g_free(note->jid);
      g_free(note);
      scr_WriteIncomingMessage(bjid, "(This item has an annotation)", 0,
                               HBB_PREFIX_INFO);
    }
  }
}

// room_names() is a variation of do_info(), for chatrooms only
static void room_names(gpointer bud, char *arg)
{
  const char *bjid;
  char *buffer;
  GSList *resources, *p_res;
  enum { style_normal = 0, style_short, style_quiet } style = 0;

  if (*arg) {
    if (!strcasecmp(arg, "--short"))
      style = style_short;
    else if (!strcasecmp(arg, "--quiet"))
      style = style_quiet;
    else {
      scr_LogPrint(LPRINT_NORMAL, "Unrecognized parameter!");
      return;
    }
  }

  // Enter chat mode
  scr_set_chatmode(TRUE);
  scr_ShowBuddyWindow();

  bjid = buddy_getjid(bud);

  buffer = g_new(char, 4096);
  strncpy(buffer, "Room members:", 127);
  scr_WriteIncomingMessage(bjid, buffer, 0, HBB_PREFIX_INFO);

  resources = buddy_getresources(bud);
  for (p_res = resources ; p_res ; p_res = g_slist_next(p_res)) {
    enum imstatus rstatus;
    const char *rst_msg;

    rstatus = buddy_getstatus(bud, p_res->data);
    rst_msg = buddy_getstatusmsg(bud, p_res->data);

    if (style == style_short) {
      snprintf(buffer, 4095, "[%c] %s%s%s", imstatus2char[rstatus],
               (char*)p_res->data,
               rst_msg ? " -- " : "", rst_msg ? rst_msg : "");
      scr_WriteIncomingMessage(bjid, buffer, 0, HBB_PREFIX_INFO);
    } else {
      // (Style "normal" or "quiet")
      snprintf(buffer, 4095, "[%c] %s", imstatus2char[rstatus],
               (char*)p_res->data);
      scr_WriteIncomingMessage(bjid, buffer, 0, HBB_PREFIX_INFO);
      if (rst_msg && style == style_normal) {
        snprintf(buffer, 4095, "Status message: %s", rst_msg);
        scr_WriteIncomingMessage(bjid, buffer, 0, HBB_PREFIX_NONE);
      }
    }
    g_free(p_res->data);
  }
  g_slist_free(resources);
  g_free(buffer);
}

static void move_group_member(gpointer bud, void *groupnamedata)
{
  const char *bjid, *name, *groupname;

  groupname = (char *)groupnamedata;

  bjid = buddy_getjid(bud);
  name = buddy_getname(bud);

  jb_updatebuddy(bjid, name, *groupname ? groupname : NULL);
}

static void do_rename(char *arg)
{
  gpointer bud;
  const char *bjid, *group;
  guint type;
  char *newname, *p;
  char *name_utf8;

  if (!current_buddy)
    return;
  bud = BUDDATA(current_buddy);

  bjid  = buddy_getjid(bud);
  group = buddy_getgroupname(bud);
  type  = buddy_gettype(bud);

  if (type & ROSTER_TYPE_SPECIAL) {
    scr_LogPrint(LPRINT_NORMAL, "You can't rename this item.");
    return;
  }

  if (!*arg && !(type & ROSTER_TYPE_GROUP)) {
    scr_LogPrint(LPRINT_NORMAL, "Please specify a new name.");
    return;
  }

  newname = g_strdup(arg);
  // Remove trailing space
  for (p = newname; *p; p++) ;
  while (p > newname && *p == ' ') *p = 0;

  strip_arg_special_chars(newname);

  name_utf8 = to_utf8(newname);

  if (type & ROSTER_TYPE_GROUP) {
    // Rename a whole group
    foreach_group_member(bud, &move_group_member, name_utf8);
    // Let's jump to the previous buddy, because this group name should
    // disappear when we receive the server answer.
    scr_RosterUp();
  } else {
    // Rename a single buddy
    buddy_setname(bud, name_utf8);
    jb_updatebuddy(bjid, name_utf8, group);
  }

  g_free(name_utf8);
  g_free(newname);
  update_roster = TRUE;
}

static void do_move(char *arg)
{
  gpointer bud;
  const char *bjid, *name, *oldgroupname;
  guint type;
  char *newgroupname, *p;
  char *group_utf8;

  if (!current_buddy)
    return;
  bud = BUDDATA(current_buddy);

  bjid = buddy_getjid(bud);
  name = buddy_getname(bud);
  type = buddy_gettype(bud);

  oldgroupname = buddy_getgroupname(bud);

  if (type & ROSTER_TYPE_GROUP) {
    scr_LogPrint(LPRINT_NORMAL, "You can't move groups!");
    return;
  }
  if (type & ROSTER_TYPE_SPECIAL) {
    scr_LogPrint(LPRINT_NORMAL, "You can't move this item.");
    return;
  }

  newgroupname = g_strdup(arg);
  // Remove trailing space
  for (p = newgroupname; *p; p++) ;
  while (p > newgroupname && *p == ' ') *p-- = 0;

  strip_arg_special_chars(newgroupname);

  group_utf8 = to_utf8(newgroupname);
  if (strcmp(oldgroupname, group_utf8)) {
    jb_updatebuddy(bjid, name, *group_utf8 ? group_utf8 : NULL);
    scr_RosterUp();
    buddy_setgroup(bud, group_utf8);
  }

  g_free(group_utf8);
  g_free(newgroupname);
  update_roster = TRUE;
}

static void do_set(char *arg)
{
  guint assign;
  gchar *option, *value;
  gchar *option_utf8;

  assign = parse_assigment(arg, &option, &value);
  if (!option) {
    scr_LogPrint(LPRINT_NORMAL, "Set what option?");
    return;
  }
  option_utf8 = to_utf8(option);
  g_free(option);
  if (!assign) {  // This is a query
    const char *val = settings_opt_get(option_utf8);
    if (val)
      scr_LogPrint(LPRINT_NORMAL, "%s = [%s]", option_utf8, val);
    else
      scr_LogPrint(LPRINT_NORMAL, "Option %s is not set", option_utf8);
    g_free(option_utf8);
    return;
  }
  // Update the option
  // Maybe some options should be protected when user is connected (server,
  // username, etc.).  And we should catch some options here, too
  // (hide_offline_buddies for ex.)
  if (!value) {
    settings_del(SETTINGS_TYPE_OPTION, option_utf8);
  } else {
    gchar *value_utf8 = to_utf8(value);
    settings_set(SETTINGS_TYPE_OPTION, option_utf8, value_utf8);
    g_free(value_utf8);
    g_free(value);
  }
  g_free(option_utf8);
}

static void dump_alias(char *k, char *v, void *param)
{
  scr_LogPrint(LPRINT_NORMAL|LPRINT_NOTUTF8, "Alias %s = %s", k, v);
}

static void do_alias(char *arg)
{
  guint assign;
  gchar *alias, *value;

  assign = parse_assigment(arg, &alias, &value);
  if (!alias) {
    settings_foreach(SETTINGS_TYPE_ALIAS, &dump_alias, NULL);
    return;
  }
  if (!assign) {  // This is a query
    const char *val = settings_get(SETTINGS_TYPE_ALIAS, alias);
    // NOTE: LPRINT_NOTUTF8 here, see below why it isn't encoded...
    if (val)
      scr_LogPrint(LPRINT_NORMAL|LPRINT_NOTUTF8, "%s = %s", alias, val);
    else
      scr_LogPrint(LPRINT_NORMAL|LPRINT_NOTUTF8,
                   "Alias '%s' does not exist", alias);
    goto do_alias_return;
  }
  // Check the alias does not conflict with a registered command
  if (cmd_get(alias)) {
      scr_LogPrint(LPRINT_NORMAL|LPRINT_NOTUTF8,
                   "'%s' is a reserved word!", alias);
      goto do_alias_return;
  }
  // Update the alias
  if (!value) {
    if (settings_get(SETTINGS_TYPE_ALIAS, alias)) {
      settings_del(SETTINGS_TYPE_ALIAS, alias);
      // Remove alias from the completion list
      compl_del_category_word(COMPL_CMD, alias);
    }
  } else {
    /* Add alias to the completion list, if not already in.
       NOTE: We're not UTF8-encoding "alias" and "value" here because UTF-8 is
       not yet supported in the UI... (and we use the values in the completion
       system)
    */
    if (!settings_get(SETTINGS_TYPE_ALIAS, alias))
      compl_add_category_word(COMPL_CMD, alias);
    settings_set(SETTINGS_TYPE_ALIAS, alias, value);
    g_free(value);
  }
do_alias_return:
  g_free(alias);
}

static void dump_bind(char *k, char *v, void *param)
{
  scr_LogPrint(LPRINT_NORMAL, "Key %4s is bound to: %s", k, v);
}

static void do_bind(char *arg)
{
  guint assign;
  gchar *k_code, *value;

  assign = parse_assigment(arg, &k_code, &value);
  if (!k_code) {
    settings_foreach(SETTINGS_TYPE_BINDING, &dump_bind, NULL);
    return;
  }
  if (!assign) {  // This is a query
    const char *val = settings_get(SETTINGS_TYPE_BINDING, k_code);
    if (val)
      scr_LogPrint(LPRINT_NORMAL, "Key %s is bound to: %s", k_code, val);
    else
      scr_LogPrint(LPRINT_NORMAL, "Key %s is not bound.", k_code);
    g_free(k_code);
    return;
  }
  // Update the key binding
  if (!value) {
    settings_del(SETTINGS_TYPE_BINDING, k_code);
  } else {
    gchar *value_utf8 = to_utf8(value);
    settings_set(SETTINGS_TYPE_BINDING, k_code, value_utf8);
    g_free(value_utf8);
    g_free(value);
  }
  g_free(k_code);
}

static void do_rawxml(char *arg)
{
  char **paramlst;
  char *subcmd;

  if (!jb_getonline()) {
    scr_LogPrint(LPRINT_NORMAL, "You are not connected.");
    return;
  }

  paramlst = split_arg(arg, 2, 1); // subcmd, arg
  subcmd = *paramlst;
  arg = *(paramlst+1);

  if (!subcmd || !*subcmd) {
    scr_LogPrint(LPRINT_NORMAL, "Please read the manual page"
                 " before using /rawxml :-)");
    free_arg_lst(paramlst);
    return;
  }

  if (!strcasecmp(subcmd, "send"))  {
    gchar *buffer;

    if (!subcmd || !*subcmd) {
      scr_LogPrint(LPRINT_NORMAL, "Missing parameter.");
      free_arg_lst(paramlst);
      return;
    }

    // We don't strip_arg_special_chars() here, because it would be a pain for
    // the user to escape quotes in a XML stream...

    buffer = to_utf8(arg);
    if (buffer) {
      scr_LogPrint(LPRINT_NORMAL, "Sending XML string");
      jb_send_raw(buffer);
      g_free(buffer);
    } else {
      scr_LogPrint(LPRINT_NORMAL, "Conversion error in XML string.");
    }
  } else {
    scr_LogPrint(LPRINT_NORMAL, "Unrecognized parameter!");
  }

  free_arg_lst(paramlst);
}

//  check_room_subcommand(arg, param_needed, buddy_must_be_a_room)
// - Check if this is a room, if buddy_must_be_a_room is not null
// - Check there is at least 1 parameter, if param_needed is true
// - Return null if one of the checks fails, or a pointer to the first
//   non-space character.
static char *check_room_subcommand(char *arg, bool param_needed,
                                   gpointer buddy_must_be_a_room)
{
  if (buddy_must_be_a_room &&
      !(buddy_gettype(buddy_must_be_a_room) & ROSTER_TYPE_ROOM)) {
    scr_LogPrint(LPRINT_NORMAL, "This isn't a conference room.");
    return NULL;
  }

  if (param_needed) {
    if (!arg) {
      scr_LogPrint(LPRINT_NORMAL, "Missing parameter.");
      return NULL;
    }
  }

  if (arg)
    return arg;
  else
    return "";
}

static void room_join(gpointer bud, char *arg)
{
  char **paramlst;
  char *roomname, *nick, *pass;
  char *roomname_tmp = NULL;
  char *pass_utf8;

  paramlst = split_arg(arg, 3, 0); // roomid, nickname, password
  roomname = *paramlst;
  nick = *(paramlst+1);
  pass = *(paramlst+2);

  if (!roomname)
    nick = NULL;
  if (!nick)
    pass = NULL;

  if (!roomname || !strcmp(roomname, ".")) {
    // If the current_buddy is recognized as a room, the room name
    // can be omitted (or "." can be used).
    if (!bud || !(buddy_gettype(bud) & ROSTER_TYPE_ROOM)) {
      scr_LogPrint(LPRINT_NORMAL, "Please specify a room name.");
      free_arg_lst(paramlst);
      return;
    }
    roomname = (char*)buddy_getjid(bud);
  } else if (strchr(roomname, '/')) {
    scr_LogPrint(LPRINT_NORMAL, "Invalid room name.");
    free_arg_lst(paramlst);
    return;
  } else {
    // The room id has been specified.  Let's convert it and use it.
    roomname_tmp = to_utf8(roomname);
    mc_strtolower(roomname_tmp);
    roomname = roomname_tmp;
  }

  // If no nickname is provided with the /join command,
  // we try to get a default nickname.
  if (!nick || !*nick)
    nick = default_muc_nickname();
  else
    nick = to_utf8(nick);
  // If we still have no nickname, give up
  if (!nick || !*nick) {
    scr_LogPrint(LPRINT_NORMAL, "Please specify a nickname.");
    g_free(nick);
    free_arg_lst(paramlst);
    return;
  }

  pass_utf8 = to_utf8(pass);

  jb_room_join(roomname, nick, pass_utf8);

  scr_LogPrint(LPRINT_LOGNORM, "Sent a join request to <%s>...", roomname);

  g_free(roomname_tmp);
  g_free(nick);
  g_free(pass_utf8);
  buddylist_build();
  update_roster = TRUE;
  free_arg_lst(paramlst);
}

static void room_invite(gpointer bud, char *arg)
{
  char **paramlst;
  const gchar *roomname;
  char* fjid;
  gchar *reason_utf8;

  paramlst = split_arg(arg, 2, 1); // jid, [reason]
  fjid = *paramlst;
  arg = *(paramlst+1);
  // An empty reason is no reason...
  if (arg && !*arg)
    arg = NULL;

  if (!fjid || !*fjid) {
    scr_LogPrint(LPRINT_NORMAL, "Missing or incorrect Jabber ID.");
    free_arg_lst(paramlst);
    return;
  }

  roomname = buddy_getjid(bud);
  reason_utf8 = to_utf8(arg);
  jb_room_invite(roomname, fjid, reason_utf8);
  scr_LogPrint(LPRINT_LOGNORM, "Invitation sent to <%s>.", fjid);
  g_free(reason_utf8);
  free_arg_lst(paramlst);
}

static void room_affil(gpointer bud, char *arg)
{
  char **paramlst;
  gchar *fjid, *rolename;
  struct role_affil ra;
  const char *roomid = buddy_getjid(bud);

  paramlst = split_arg(arg, 3, 1); // jid, new_affil, [reason]
  fjid = *paramlst;
  rolename = *(paramlst+1);
  arg = *(paramlst+2);

  if (!fjid || !*fjid || !rolename || !*rolename) {
    scr_LogPrint(LPRINT_NORMAL, "Please specify both a Jabber ID and a role.");
    free_arg_lst(paramlst);
    return;
  }

  ra.type = type_affil;
  ra.val.affil = affil_none;
  for (; ra.val.affil < imaffiliation_size; ra.val.affil++)
    if (!strcasecmp(rolename, straffil[ra.val.affil]))
      break;

  if (ra.val.affil < imaffiliation_size) {
    gchar *jid_utf8, *reason_utf8;
    jid_utf8 = to_utf8(fjid);
    reason_utf8 = to_utf8(arg);
    jb_room_setattrib(roomid, jid_utf8, NULL, ra, reason_utf8);
    g_free(jid_utf8);
    g_free(reason_utf8);
  } else
    scr_LogPrint(LPRINT_NORMAL, "Wrong affiliation parameter.");

  free_arg_lst(paramlst);
}

static void room_role(gpointer bud, char *arg)
{
  char **paramlst;
  gchar *fjid, *rolename;
  struct role_affil ra;
  const char *roomid = buddy_getjid(bud);

  paramlst = split_arg(arg, 3, 1); // jid, new_role, [reason]
  fjid = *paramlst;
  rolename = *(paramlst+1);
  arg = *(paramlst+2);

  if (!fjid || !*fjid || !rolename || !*rolename) {
    scr_LogPrint(LPRINT_NORMAL, "Please specify both a Jabber ID and a role.");
    free_arg_lst(paramlst);
    return;
  }

  ra.type = type_role;
  ra.val.role = role_none;
  for (; ra.val.role < imrole_size; ra.val.role++)
    if (!strcasecmp(rolename, strrole[ra.val.role]))
      break;

  if (ra.val.role < imrole_size) {
    gchar *jid_utf8, *reason_utf8;
    jid_utf8 = to_utf8(fjid);
    reason_utf8 = to_utf8(arg);
    jb_room_setattrib(roomid, jid_utf8, NULL, ra, reason_utf8);
    g_free(jid_utf8);
    g_free(reason_utf8);
  } else
    scr_LogPrint(LPRINT_NORMAL, "Wrong role parameter.");

  free_arg_lst(paramlst);
}


// The expected argument is a Jabber id
static void room_ban(gpointer bud, char *arg)
{
  char **paramlst;
  gchar *fjid;
  gchar *jid_utf8, *reason_utf8;
  struct role_affil ra;
  const char *roomid = buddy_getjid(bud);

  paramlst = split_arg(arg, 2, 1); // jid, [reason]
  fjid = *paramlst;
  arg = *(paramlst+1);

  if (!fjid || !*fjid) {
    scr_LogPrint(LPRINT_NORMAL, "Please specify a Jabber ID.");
    free_arg_lst(paramlst);
    return;
  }

  ra.type = type_affil;
  ra.val.affil = affil_outcast;

  jid_utf8 = to_utf8(fjid);
  reason_utf8 = to_utf8(arg);
  jb_room_setattrib(roomid, jid_utf8, NULL, ra, reason_utf8);
  g_free(jid_utf8);
  g_free(reason_utf8);

  free_arg_lst(paramlst);
}

// The expected argument is a nickname
static void room_kick(gpointer bud, char *arg)
{
  char **paramlst;
  gchar *nick;
  gchar *nick_utf8, *reason_utf8;
  struct role_affil ra;
  const char *roomid = buddy_getjid(bud);

  paramlst = split_arg(arg, 2, 1); // nickname, [reason]
  nick = *paramlst;
  arg = *(paramlst+1);

  if (!nick || !*nick) {
    scr_LogPrint(LPRINT_NORMAL, "Please specify a nickname.");
    free_arg_lst(paramlst);
    return;
  }

  ra.type = type_role;
  ra.val.affil = role_none;

  nick_utf8 = to_utf8(nick);
  reason_utf8 = to_utf8(arg);
  jb_room_setattrib(roomid, NULL, nick_utf8, ra, reason_utf8);
  g_free(nick_utf8);
  g_free(reason_utf8);

  free_arg_lst(paramlst);
}

void room_leave(gpointer bud, char *arg)
{
  gchar *roomid, *desc;
  const char *nickname;

  nickname = buddy_getnickname(bud);
  if (!nickname) {
    scr_LogPrint(LPRINT_NORMAL, "You are not in this room.");
    return;
  }

  roomid = g_strdup_printf("%s/%s", buddy_getjid(bud), nickname);
  desc = to_utf8(arg);
  jb_setstatus(offline, roomid, desc, TRUE);
  g_free(desc);
  g_free(roomid);
}

static void room_nick(gpointer bud, char *arg)
{
  if (!buddy_getinsideroom(bud)) {
    scr_LogPrint(LPRINT_NORMAL, "You are not in this room.");
    return;
  }

  if (!arg || !*arg) {
    const char *nick = buddy_getnickname(bud);
    if (nick)
      scr_LogPrint(LPRINT_NORMAL, "Your nickname is: %s", nick);
    else
      scr_LogPrint(LPRINT_NORMAL, "You have no nickname in this room.");
  } else {
    gchar *roomname, *roomname_tmp, *nick;
    roomname_tmp = g_strdup(buddy_getjid(bud));
    mc_strtolower(roomname_tmp);
    roomname = to_utf8(roomname_tmp);
    g_free(roomname_tmp);
    nick = to_utf8(arg);

    jb_room_join(roomname, nick, NULL);
    g_free(roomname);
    g_free(nick);
  }
}

static void room_privmsg(gpointer bud, char *arg)
{
  char **paramlst;
  gchar *nick, *cmdline;

  paramlst = split_arg(arg, 2, 1); // nickname, message
  nick = *paramlst;
  arg = *(paramlst+1);

  if (!nick || !*nick || !arg || !*arg) {
    scr_LogPrint(LPRINT_NORMAL,
                 "Please specify both a Jabber ID and a message.");
    free_arg_lst(paramlst);
    return;
  }

  cmdline = g_strdup_printf("%s/%s %s", buddy_getjid(bud), nick, arg);
  do_say_to(cmdline);
  g_free(cmdline);
  free_arg_lst(paramlst);
}

static void room_remove(gpointer bud, char *arg)
{
  if (*arg) {
    scr_LogPrint(LPRINT_NORMAL, "This action does not require a parameter; "
                 "the currently-selected room will be removed.");
    return;
  }

  // Quick check: if there are resources, we haven't left
  if (buddy_getinsideroom(bud)) {
    scr_LogPrint(LPRINT_NORMAL, "You haven't left this room!");
    return;
  }
  // Delete the room
  roster_del_user(buddy_getjid(bud));
  scr_UpdateBuddyWindow();
  buddylist_build();
  update_roster = TRUE;
}

static void room_topic(gpointer bud, char *arg)
{
  gchar *msg;

  if (!buddy_getinsideroom(bud)) {
    scr_LogPrint(LPRINT_NORMAL, "You are not in this room.");
    return;
  }

  // If no parameter is given, display the current topic
  if (!*arg) {
    const char *topic = buddy_gettopic(bud);
    if (topic)
      scr_LogPrint(LPRINT_NORMAL, "Topic: %s", topic);
    else
      scr_LogPrint(LPRINT_NORMAL, "No topic has been set.");
    return;
  }

  arg = to_utf8(arg);
  // Set the topic
  msg = g_strdup_printf("%s has set the topic to: %s", mkcmdstr("me"), arg);
  jb_send_msg(buddy_getjid(bud), msg, ROSTER_TYPE_ROOM, arg, NULL, NULL);
  g_free(arg);
  g_free(msg);
}

static void room_destroy(gpointer bud, char *arg)
{
  gchar *msg;

  if (arg && *arg)
    msg = to_utf8(arg);
  else
    msg = NULL;

  jb_room_destroy(buddy_getjid(bud), NULL, msg);
  g_free(msg);
}

static void room_unlock(gpointer bud, char *arg)
{
  if (*arg) {
    scr_LogPrint(LPRINT_NORMAL, "Unknown parameter.");
    return;
  }

  jb_room_unlock(buddy_getjid(bud));
}

//  room_whois(..)
// If interactive is TRUE, chatmode can be enabled.
void room_whois(gpointer bud, char *arg, guint interactive)
{
  char **paramlst;
  gchar *nick, *buffer;
  const char *bjid, *realjid;
  const char *rst_msg;
  gchar rprio;
  enum imstatus rstatus;
  enum imrole role;
  enum imaffiliation affil;
  time_t rst_time;

  paramlst = split_arg(arg, 1, 0); // nickname
  nick = *paramlst;

  if (!nick || !*nick) {
    scr_LogPrint(LPRINT_NORMAL, "Please specify a nickname.");
    free_arg_lst(paramlst);
    return;
  }

  nick = to_utf8(nick);

  if (interactive) {
    // Enter chat mode
    scr_set_chatmode(TRUE);
    scr_ShowBuddyWindow();
  }

  bjid = buddy_getjid(bud);
  rstatus = buddy_getstatus(bud, nick);

  if (rstatus == offline) {
    scr_LogPrint(LPRINT_NORMAL, "No such member: %s", nick);
    free_arg_lst(paramlst);
    g_free(nick);
    return;
  }

  rst_time = buddy_getstatustime(bud, nick);
  rprio   = buddy_getresourceprio(bud, nick);
  rst_msg = buddy_getstatusmsg(bud, nick);
  if (!rst_msg) rst_msg = "";

  role = buddy_getrole(bud, nick);
  affil = buddy_getaffil(bud, nick);
  realjid = buddy_getrjid(bud, nick);

  buffer = g_new(char, 4096);

  snprintf(buffer, 4095, "Whois [%s]", nick);
  scr_WriteIncomingMessage(bjid, buffer, 0, HBB_PREFIX_INFO);
  snprintf(buffer, 4095, "Status   : [%c] %s", imstatus2char[rstatus],
           rst_msg);
  scr_WriteIncomingMessage(bjid, buffer, 0, HBB_PREFIX_NONE);

  if (rst_time) {
    char tbuf[128];

    strftime(tbuf, sizeof(tbuf), "%Y-%m-%d %H:%M:%S", localtime(&rst_time));
    snprintf(buffer, 127, "Timestamp: %s", tbuf);
    scr_WriteIncomingMessage(bjid, buffer, 0, HBB_PREFIX_NONE);
  }

  if (realjid) {
    snprintf(buffer, 4095, "JID      : <%s>", realjid);
    scr_WriteIncomingMessage(bjid, buffer, 0, HBB_PREFIX_NONE);
  }

  snprintf(buffer, 4095, "Role     : %s", strrole[role]);
  scr_WriteIncomingMessage(bjid, buffer, 0, HBB_PREFIX_NONE);
  snprintf(buffer, 4095, "Affiliat.: %s", straffil[affil]);
  scr_WriteIncomingMessage(bjid, buffer, 0, HBB_PREFIX_NONE);
  snprintf(buffer, 4095, "Priority : %d", rprio);
  scr_WriteIncomingMessage(bjid, buffer, 0, HBB_PREFIX_NONE);

  scr_WriteIncomingMessage(bjid, "End of WHOIS", 0, HBB_PREFIX_INFO);

  g_free(buffer);
  g_free(nick);
  free_arg_lst(paramlst);
}

static void room_bookmark(gpointer bud, char *arg)
{
  const char *roomid;
  const char *name = NULL, *nick = NULL;
  enum { bm_add = 0, bm_del = 1 } action = 0;
  int autojoin = 0;

  if (arg && *arg) {
    // /room bookmark [add|del] [[+|-]autojoin]
    char **paramlst;
    char **pp;

    paramlst = split_arg(arg, 2, 0); // At most 2 parameters
    for (pp = paramlst; *pp; pp++) {
      if (!strcasecmp(*pp, "add"))
        action = bm_add;
      else if (!strcasecmp(*pp, "del"))
        action = bm_del;
      else if (!strcasecmp(*pp, "-autojoin"))
        autojoin = 0;
      else if (!strcasecmp(*pp, "+autojoin") || !strcasecmp(*pp, "autojoin"))
        autojoin = 1;
    }
    free_arg_lst(paramlst);
  }

  roomid = buddy_getjid(bud);

  if (action == bm_add) {
    name = buddy_getname(bud);
    nick = buddy_getnickname(bud);
  }

  jb_set_storage_bookmark(roomid, name, nick, NULL, autojoin);
}

static void display_all_bookmarks(void)
{
  GSList *bm, *bmp;
  GString *sbuf;

  bm = jb_get_all_storage_bookmarks();

  if (!bm)
    return;

  sbuf = g_string_new("");

  scr_WriteIncomingMessage(NULL, "List of MUC bookmarks:", 0, HBB_PREFIX_INFO);

  for (bmp = bm; bmp; bmp = g_slist_next(bmp)) {
    g_string_printf(sbuf, "<%s>", (char*)bmp->data);
    scr_WriteIncomingMessage(NULL, sbuf->str, 0, HBB_PREFIX_NONE);
  }

  scr_setmsgflag_if_needed(SPECIAL_BUFFER_STATUS_ID, TRUE);
  update_roster = TRUE;
  g_string_free(sbuf, TRUE);
  g_slist_free(bm);
}


static void do_room(char *arg)
{
  char **paramlst;
  char *subcmd;
  gpointer bud;

  if (!jb_getonline()) {
    scr_LogPrint(LPRINT_NORMAL, "You are not connected.");
    return;
  }

  paramlst = split_arg(arg, 2, 1); // subcmd, arg
  subcmd = *paramlst;
  arg = *(paramlst+1);

  if (!subcmd || !*subcmd) {
    scr_LogPrint(LPRINT_NORMAL, "Missing parameter.");
    free_arg_lst(paramlst);
    return;
  }

  if (current_buddy) {
    bud = BUDDATA(current_buddy);
  } else {
    if (strcasecmp(subcmd, "join")) {
      free_arg_lst(paramlst);
      return;
    }
    // "room join" is a special case, we don't need to have a valid
    // current_buddy.
    bud = NULL;
  }

  if (!strcasecmp(subcmd, "join"))  {
    if ((arg = check_room_subcommand(arg, FALSE, NULL)) != NULL)
      room_join(bud, arg);
  } else if (!strcasecmp(subcmd, "invite"))  {
    if ((arg = check_room_subcommand(arg, TRUE, bud)) != NULL)
      room_invite(bud, arg);
  } else if (!strcasecmp(subcmd, "affil"))  {
    if ((arg = check_room_subcommand(arg, TRUE, bud)) != NULL)
      room_affil(bud, arg);
  } else if (!strcasecmp(subcmd, "role"))  {
    if ((arg = check_room_subcommand(arg, TRUE, bud)) != NULL)
      room_role(bud, arg);
  } else if (!strcasecmp(subcmd, "ban"))  {
    if ((arg = check_room_subcommand(arg, TRUE, bud)) != NULL)
      room_ban(bud, arg);
  } else if (!strcasecmp(subcmd, "kick"))  {
    if ((arg = check_room_subcommand(arg, TRUE, bud)) != NULL)
      room_kick(bud, arg);
  } else if (!strcasecmp(subcmd, "leave"))  {
    if ((arg = check_room_subcommand(arg, FALSE, bud)) != NULL)
      room_leave(bud, arg);
  } else if (!strcasecmp(subcmd, "names"))  {
    if ((arg = check_room_subcommand(arg, FALSE, bud)) != NULL)
      room_names(bud, arg);
  } else if (!strcasecmp(subcmd, "nick"))  {
    if ((arg = check_room_subcommand(arg, FALSE, bud)) != NULL)
      room_nick(bud, arg);
  } else if (!strcasecmp(subcmd, "privmsg"))  {
    if ((arg = check_room_subcommand(arg, TRUE, bud)) != NULL)
      room_privmsg(bud, arg);
  } else if (!strcasecmp(subcmd, "remove"))  {
    if ((arg = check_room_subcommand(arg, FALSE, bud)) != NULL)
      room_remove(bud, arg);
  } else if (!strcasecmp(subcmd, "destroy"))  {
    if ((arg = check_room_subcommand(arg, FALSE, bud)) != NULL)
      room_destroy(bud, arg);
  } else if (!strcasecmp(subcmd, "unlock"))  {
    if ((arg = check_room_subcommand(arg, FALSE, bud)) != NULL)
      room_unlock(bud, arg);
  } else if (!strcasecmp(subcmd, "topic"))  {
    if ((arg = check_room_subcommand(arg, FALSE, bud)) != NULL)
      room_topic(bud, arg);
  } else if (!strcasecmp(subcmd, "whois"))  {
    if ((arg = check_room_subcommand(arg, TRUE, bud)) != NULL)
      room_whois(bud, arg, TRUE);
  } else if (!strcasecmp(subcmd, "bookmark"))  {
    if (!arg && !buddy_getjid(BUDDATA(current_buddy)) &&
        buddy_gettype(BUDDATA(current_buddy)) == ROSTER_TYPE_SPECIAL)
      display_all_bookmarks();
    else if ((arg = check_room_subcommand(arg, FALSE, bud)) != NULL)
      room_bookmark(bud, arg);
  } else {
    scr_LogPrint(LPRINT_NORMAL, "Unrecognized parameter!");
  }

  free_arg_lst(paramlst);
}

static void do_authorization(char *arg)
{
  char **paramlst;
  char *subcmd;
  char *jid_utf8;

  if (!jb_getonline()) {
    scr_LogPrint(LPRINT_NORMAL, "You are not connected.");
    return;
  }

  paramlst = split_arg(arg, 2, 0); // subcmd, [jid]
  subcmd = *paramlst;
  arg = *(paramlst+1);

  if (!subcmd || !*subcmd) {
    scr_LogPrint(LPRINT_NORMAL, "Missing parameter.");
    goto do_authorization_return;
  }

  // Use the provided jid, if it looks valid
  if (arg) {
    if (!*arg) {
      // If no jid is provided, we use the current selected buddy
      arg = NULL;
    } else {
      if (check_jid_syntax(arg)) {
        scr_LogPrint(LPRINT_NORMAL|LPRINT_NOTUTF8,
                     "<%s> is not a valid Jabber ID.", arg);
        goto do_authorization_return;
      }
    }
  }

  if (!arg) {       // Use the current selected buddy's jid
    gpointer bud;
    guint type;

    if (!current_buddy)
      goto do_authorization_return;
    bud = BUDDATA(current_buddy);

    jid_utf8 = arg  = (char*)buddy_getjid(bud);
    type = buddy_gettype(bud);

    if (!(type & (ROSTER_TYPE_USER|ROSTER_TYPE_AGENT))) {
      scr_LogPrint(LPRINT_NORMAL, "Invalid buddy.");
      goto do_authorization_return;
    }
  } else {
    jid_utf8 = to_utf8(arg);
  }

  if (!strcasecmp(subcmd, "allow"))  {
    jb_subscr_send_auth(jid_utf8);
    scr_LogPrint(LPRINT_LOGNORM,
                 "<%s> is now allowed to receive your presence updates.",
                 jid_utf8);
  } else if (!strcasecmp(subcmd, "cancel"))  {
    jb_subscr_cancel_auth(jid_utf8);
    scr_LogPrint(LPRINT_LOGNORM,
                 "<%s> will no longer receive your presence updates.",
                 jid_utf8);
  } else if (!strcasecmp(subcmd, "request"))  {
    jb_subscr_request_auth(jid_utf8);
    scr_LogPrint(LPRINT_LOGNORM,
                 "Sent presence notification request to <%s>.", jid_utf8);
  } else if (!strcasecmp(subcmd, "request_unsubscribe"))  {
    jb_subscr_request_cancel(jid_utf8);
    scr_LogPrint(LPRINT_LOGNORM,
                 "Sent presence notification unsubscription request to <%s>.",
                 jid_utf8);
  } else {
    scr_LogPrint(LPRINT_NORMAL, "Unrecognized parameter!");
  }

  // Only free jid_utf8 if it has been allocated, i.e. if != arg.
  if (jid_utf8 && jid_utf8 != arg)
    g_free(jid_utf8);
do_authorization_return:
  free_arg_lst(paramlst);
}

static void do_version(char *arg)
{
  gchar *ver = mcabber_version();
  scr_LogPrint(LPRINT_NORMAL, "This is mcabber version %s.", ver);
  g_free(ver);
}

static void do_request(char *arg)
{
  char **paramlst;
  char *fjid, *type;
  enum iqreq_type numtype = iqreq_none;
  char *jid_utf8 = NULL;

  paramlst = split_arg(arg, 2, 0); // type, jid
  type = *paramlst;
  fjid = *(paramlst+1);

  if (type) {
    // Quick check...
    if (!strcasecmp(type, "version"))
      numtype = iqreq_version;
    else if (!strcasecmp(type, "time"))
      numtype = iqreq_time;
    else if (!strcasecmp(type, "last"))
      numtype = iqreq_last;
    else if (!strcasecmp(type, "vcard"))
      numtype = iqreq_vcard;
    else if (!strcasecmp(type, "show_list")) {
      // Undocumented command, for debugging purposes only
      jb_iqs_display_list();
      free_arg_lst(paramlst);
      return;
    }
  }

  if (!type || !numtype) {
    scr_LogPrint(LPRINT_NORMAL,
                 "Please specify a query type (version, time...).");
    free_arg_lst(paramlst);
    return;
  }

  // Allow special jid "" or "." (current buddy)
  if (fjid && (!*fjid || !strcmp(fjid, ".")))
    fjid = NULL;

  if (fjid) {
    // The JID has been specified.  Quick check...
    if (check_jid_syntax(fjid)) {
      scr_LogPrint(LPRINT_NORMAL|LPRINT_NOTUTF8,
                   "<%s> is not a valid Jabber ID.", fjid);
      fjid = NULL;
    } else {
      // Convert jid to lowercase
      char *p;
      for (p = fjid; *p && *p != JID_RESOURCE_SEPARATOR; p++)
        *p = tolower(*p);
      fjid = jid_utf8 = to_utf8(fjid);
    }
  } else {
    // Add the current buddy
    if (current_buddy)
      fjid = (char*)buddy_getjid(BUDDATA(current_buddy));
    if (!fjid)
      scr_LogPrint(LPRINT_NORMAL, "Please specify a Jabber ID.");
  }

  if (fjid) {
    switch (numtype) {
      case iqreq_version:
      case iqreq_time:
      case iqreq_last:
      case iqreq_vcard:
          jb_request(fjid, numtype);
          break;
      default:
          break;
    }
  }
  g_free(jid_utf8);
  free_arg_lst(paramlst);
}

static void do_event(char *arg)
{
  char **paramlst;
  char *evid, *subcmd;
  int action = -1;
  GSList *evidlst;

  paramlst = split_arg(arg, 2, 0); // id, subcmd
  evid = *paramlst;
  subcmd = *(paramlst+1);

  if (!evid || !subcmd) {
    // Special case: /event list
    if (evid && !strcasecmp(evid, "list"))
      evs_display_list();
    else
      scr_LogPrint(LPRINT_NORMAL,
                   "Missing parameter.  Usage: /event num action");
    free_arg_lst(paramlst);
    return;
  }

  if (!strcasecmp(subcmd, "reject"))
    action = 0;
  else if (!strcasecmp(subcmd, "accept"))
    action = 1;
  else if (!strcasecmp(subcmd, "ignore"))
    action = 2;

  if (action == -1) {
    scr_LogPrint(LPRINT_NORMAL, "Wrong action parameter.");
  } else if (action >= 0 && action <= 2) {
    GSList *p;

    if (action == 2) {
      action = EVS_CONTEXT_CANCEL;
    } else {
      action += EVS_CONTEXT_USER;
    }

    if (!strcmp(evid, "*")) {
      // Use completion list
      evidlst = evs_geteventslist(FALSE);
    } else {
      // Let's create a slist with the provided event id
      evidlst = g_slist_append(NULL, g_strdup(evid));
    }
    for (p = evidlst; p; p = g_slist_next(p)) {
      if (evs_callback(p->data, action) == -1) {
        scr_LogPrint(LPRINT_NORMAL, "Event %s not found.", p->data);
      }
      g_free(p->data);
    }
    g_slist_free(evidlst);
  }

  free_arg_lst(paramlst);
}

static void do_pgp(char *arg)
{
  char **paramlst;
  char *fjid, *subcmd, *keyid;
  enum {
    pgp_none,
    pgp_enable,
    pgp_disable,
    pgp_setkey,
    pgp_force,
    pgp_info
  } op = 0;
  int force = FALSE;

  paramlst = split_arg(arg, 3, 0); // subcmd, jid, [key]
  subcmd = *paramlst;
  fjid = *(paramlst+1);
  keyid = *(paramlst+2);

  if (!subcmd)
    fjid = NULL;
  if (!fjid)
    keyid = NULL;

  if (subcmd) {
    if (!strcasecmp(subcmd, "enable"))
      op = pgp_enable;
    else if (!strcasecmp(subcmd, "disable"))
      op = pgp_disable;
    else if (!strcasecmp(subcmd, "setkey"))
      op = pgp_setkey;
    else if ((!strcasecmp(subcmd, "force")) ||
             (!strcasecmp(subcmd, "+force"))) {
      op = pgp_force;
      force = TRUE;
    } else if (!strcasecmp(subcmd, "-force"))
      op = pgp_force;
    else if (!strcasecmp(subcmd, "info"))
      op = pgp_info;
  }

  if (!op) {
    scr_LogPrint(LPRINT_NORMAL, "Unrecognized or missing parameter!");
    free_arg_lst(paramlst);
    return;
  }

  // Allow special jid "" or "." (current buddy)
  if (fjid && (!*fjid || !strcmp(fjid, ".")))
    fjid = NULL;

  if (fjid) {
    // The JID has been specified.  Quick check...
    if (check_jid_syntax(fjid) || !strchr(fjid, '@')) {
      scr_LogPrint(LPRINT_NORMAL|LPRINT_NOTUTF8,
                   "<%s> is not a valid Jabber ID.", fjid);
      fjid = NULL;
    } else {
      // Convert jid to lowercase and strip resource
      char *p;
      for (p = fjid; *p && *p != JID_RESOURCE_SEPARATOR; p++)
        *p = tolower(*p);
      if (*p == JID_RESOURCE_SEPARATOR)
        *p = '\0';
    }
  } else {
    gpointer bud = NULL;
    if (current_buddy)
      bud = BUDDATA(current_buddy);
    if (bud) {
      guint type = buddy_gettype(bud);
      if (type & ROSTER_TYPE_USER)  // Is it a user?
        fjid = (char*)buddy_getjid(bud);
      else
        scr_LogPrint(LPRINT_NORMAL, "The selected item should be a user.");
    }
  }

  if (fjid) { // fjid is actually a bare jid...
    guint disabled;
    GString *sbuf;
    switch (op) {
      case pgp_enable:
      case pgp_disable:
          settings_pgp_setdisabled(fjid, (op == pgp_disable ? TRUE : FALSE));
          break;
      case pgp_force:
          settings_pgp_setforce(fjid, force);
          break;
      case pgp_setkey:
          settings_pgp_setkeyid(fjid, keyid);
          break;
      case pgp_info:
          sbuf = g_string_new("");
          if (settings_pgp_getkeyid(fjid)) {
            g_string_printf(sbuf, "PGP Encryption key id: %s",
                            settings_pgp_getkeyid(fjid));
            scr_WriteIncomingMessage(fjid, sbuf->str, 0, HBB_PREFIX_INFO);
          }
          disabled = settings_pgp_getdisabled(fjid);
          g_string_printf(sbuf, "PGP encryption is %s",
                          (disabled ?  "disabled" : "enabled"));
          scr_WriteIncomingMessage(fjid, sbuf->str, 0, HBB_PREFIX_INFO);
          if (!disabled && settings_pgp_getforce(fjid)) {
            scr_WriteIncomingMessage(fjid,
                                     "Encryption enforced (no negotiation)",
                                     0, HBB_PREFIX_INFO);
          }
          g_string_free(sbuf, TRUE);
          break;
      default:
          break;
    }
  } else {
    scr_LogPrint(LPRINT_NORMAL, "Please specify a valid Jabber ID.");
  }

  free_arg_lst(paramlst);
}

/* !!!
  After changing the /iline arguments names here, you must change ones
  in init_bindings().
*/
static void do_iline(char *arg)
{
  if (!strcasecmp(arg, "fword")) {
    readline_forward_word();
  } else if (!strcasecmp(arg, "bword")) {
    readline_backward_word();
  } else if (!strcasecmp(arg, "word_fdel")) {
    readline_forward_kill_word();
  } else if (!strcasecmp(arg, "word_bdel")) {
    readline_backward_kill_word();
  } else if (!strcasecmp(arg, "word_upcase")) {
    readline_updowncase_word(1);
  } else if (!strcasecmp(arg, "word_downcase")) {
    readline_updowncase_word(0);
  } else if (!strcasecmp(arg, "word_capit")) {
    readline_capitalize_word();
  } else if (!strcasecmp(arg, "fchar")) {
    readline_forward_char();
  } else if (!strcasecmp(arg, "bchar")) {
    readline_backward_char();
  } else if (!strcasecmp(arg, "char_fdel")) {
    readline_forward_kill_char();
  } else if (!strcasecmp(arg, "char_bdel")) {
    readline_backward_kill_char();
  } else if (!strcasecmp(arg, "char_swap")) {
    readline_transpose_chars();
  } else if (!strcasecmp(arg, "hist_beginning_search_bwd")) {
    readline_hist_beginning_search_bwd();
  } else if (!strcasecmp(arg, "hist_beginning_search_fwd")) {
    readline_hist_beginning_search_fwd();
  } else if (!strcasecmp(arg, "hist_prev")) {
    readline_hist_prev();
  } else if (!strcasecmp(arg, "hist_next")) {
    readline_hist_next();
  } else if (!strcasecmp(arg, "iline_start")) {
    readline_iline_start();
  } else if (!strcasecmp(arg, "iline_end")) {
    readline_iline_end();
  } else if (!strcasecmp(arg, "iline_fdel")) {
    readline_forward_kill_iline();
  } else if (!strcasecmp(arg, "iline_bdel")) {
    readline_backward_kill_iline();
  } else if (!strcasecmp(arg, "send_multiline")) {
    readline_send_multiline();
  } else if (!strcasecmp(arg, "iline_accept")) {
    retval_for_cmds = readline_accept_line(FALSE);
  } else if (!strcasecmp(arg, "iline_accept_down_hist")) {
    retval_for_cmds = readline_accept_line(TRUE);
  } else if (!strcasecmp(arg, "compl_cancel")) {
    readline_cancel_completion();
  } else if (!strcasecmp(arg, "compl_do")) {
    readline_do_completion();
  }
}

static void do_screen_refresh(char *arg)
{
  readline_refresh_screen();
}

static void do_chat_disable(char *arg)
{
  readline_disable_chat_mode();
}

static void do_source(char *arg)
{
  static int recur_level;
  gchar *filename;
  if (!*arg) {
    scr_LogPrint(LPRINT_NORMAL, "Missing filename.");
    return;
  }
  if (recur_level > 20) {
    scr_LogPrint(LPRINT_LOGNORM, "** Too many source commands!");
    return;
  }
  filename = g_strdup(arg);
  strip_arg_special_chars(filename);
  recur_level++;
  cfg_read_file(filename, FALSE);
  recur_level--;
  g_free(filename);
}

static void do_connect(char *arg)
{
  mcabber_connect();
}

static void do_disconnect(char *arg)
{
  jb_disconnect();
  AutoConnection = false;
}

static void do_help(char *arg)
{
  help_process(arg);
}

/* vim: set expandtab cindent cinoptions=>2\:2(0:  For Vim users... */