Beispiel #1
0
/* m_topic()
 *  parv[0] = sender prefix
 *  parv[1] = channel name
 *  parv[2] = new topic, if setting topic
 */
static void
m_topic(struct Client *client_p, struct Client *source_p,
        int parc, char *parv[])
{
  struct Channel *chptr = NULL;
  char *p;
  struct Membership *ms;
  const char *from, *to;

  if (!MyClient(source_p) && IsCapable(source_p->from, CAP_TS6) && HasID(source_p))
  {
    from = me.id;
    to = source_p->id;
  }
  else
  {
    from = me.name;
    to = source_p->name;
  }

  if ((p = strchr(parv[1], ',')) != NULL)
    *p = '\0';

  if (EmptyString(parv[1]))
  {
    sendto_one(source_p, form_str(ERR_NEEDMOREPARAMS),
               from, to, "TOPIC");
    return;
  }

  if (MyClient(source_p) && !IsFloodDone(source_p))
    flood_endgrace(source_p);

  if (IsChanPrefix(*parv[1]))
  {
    if ((chptr = hash_find_channel(parv[1])) == NULL)
    {
      sendto_one(source_p, form_str(ERR_NOSUCHCHANNEL),
                 from, to, parv[1]);
      return;
    }

    /* setting topic */
    if (parc > 2)
    {
      if ((ms = find_channel_link(source_p, chptr)) == NULL && !IsService(source_p))
      {
        sendto_one(source_p, form_str(ERR_NOTONCHANNEL), me.name,
                   source_p->name, parv[1]);
        return;
      }

      if ((chptr->mode.mode & MODE_TOPICLIMIT) == 0 ||
          has_member_flags(ms, CHFL_CHANOP|CHFL_HALFOP) || IsGod(source_p) ||
          IsService(source_p))
      {
        char topic_info[USERHOST_REPLYLEN]; 
        if(!has_member_flags(ms, CHFL_CHANOP|CHFL_HALFOP) && 
                IsGod(source_p) && MyClient(source_p) &&
                (chptr->mode.mode & MODE_TOPICLIMIT) != 0)
        {              
          char tmp[IRCD_BUFSIZE];           
          ircsprintf(tmp, "%s is using God mode: TOPIC %s %s", source_p->name, 
                  chptr->chname, parv[2]);              
          sendto_gnotice_flags(UMODE_SERVNOTICE, L_ALL, me.name, &me, NULL, 
                  tmp);
          oftc_log(tmp);
        }
        ircsprintf(topic_info, "%s!%s@%s",
                   source_p->name, source_p->username, source_p->host);
        set_channel_topic(chptr, parv[2], topic_info, CurrentTime);

        sendto_server(client_p, chptr, CAP_TS6, NOCAPS,
                      ":%s TOPIC %s :%s",
                      ID(source_p), chptr->chname,
                      chptr->topic == NULL ? "" : chptr->topic);
        sendto_server(client_p, chptr, NOCAPS, CAP_TS6,
                      ":%s TOPIC %s :%s",
                      source_p->name, chptr->chname,
                      chptr->topic == NULL ? "" : chptr->topic);
        sendto_channel_local(ALL_MEMBERS, NO,
                             chptr, ":%s!%s@%s TOPIC %s :%s",
                             source_p->name,
                             source_p->username,
                             source_p->host,
                             chptr->chname, chptr->topic == NULL ?
                             "" : chptr->topic);
      }
      else
        sendto_one(source_p, form_str(ERR_CHANOPRIVSNEEDED),
                   from, to, chptr->chname);
    }
    else /* only asking for topic */
    {
      if (!SecretChannel(chptr) || IsMember(source_p, chptr))
      {
        if (chptr->topic == NULL)
          sendto_one(source_p, form_str(RPL_NOTOPIC),
                     from, to, chptr->chname);
        else
        {
          sendto_one(source_p, form_str(RPL_TOPIC),
                     from, to,
                     chptr->chname, chptr->topic);

          sendto_one(source_p, form_str(RPL_TOPICWHOTIME),
                     from, to, chptr->chname,
                     chptr->topic_info,
                     chptr->topic_time);
        }
      }
      else
      {
        sendto_one(source_p, form_str(ERR_NOTONCHANNEL),
                   from, to, chptr->chname);
        return;
      }
    }
  }
  else
  {
    sendto_one(source_p, form_str(ERR_NOSUCHCHANNEL),
               from, to, parv[1]);
  }
}
Beispiel #2
0
/* m_kick()
 *  parv[0] = sender prefix
 *  parv[1] = channel
 *  parv[2] = client to kick
 *  parv[3] = kick comment
 */
static void 
m_kick(struct Client *client_p, struct Client *source_p,
       int parc, char *parv[])
{
  struct Client *who;
  struct Channel *chptr;
  int chasing = 0;
  int gmode_used = 0;
  char *comment;
  char *name;
  char *p = NULL;
  char *user;
  const char *from, *to;
  struct Membership *ms = NULL;
  struct Membership *ms_target;

  if (!MyConnect(source_p) && IsCapable(source_p->from, CAP_TS6) && HasID(source_p))
  {
    from = me.id;
    to = source_p->id;
  }
  else
  {
    from = me.name;
    to = source_p->name;
  }

  if (*parv[2] == '\0')
  {
    sendto_one(source_p, form_str(ERR_NEEDMOREPARAMS),
               from, to, "KICK");
    return;
  }

  if (MyClient(source_p) && !IsFloodDone(source_p))
    flood_endgrace(source_p);

  comment = (EmptyString(parv[3])) ? parv[2] : parv[3];
  if (strlen(comment) > (size_t)KICKLEN)
    comment[KICKLEN] = '\0';

  name = parv[1];
  while (*name == ',')
    name++;

  if ((p = strchr(name,',')) != NULL)
    *p = '\0';
  if (*name == '\0')
    return;

  if ((chptr = hash_find_channel(name)) == NULL)
  {
    sendto_one(source_p, form_str(ERR_NOSUCHCHANNEL),
               from, to, name);
    return;
  }

  if (!IsServer(source_p))
  {
    if ((ms = find_channel_link(source_p, chptr)) == NULL)
    {
      if (MyConnect(source_p))
      {
        sendto_one(source_p, form_str(ERR_NOTONCHANNEL),
                  me.name, source_p->name, name);
        return;
      }
    }

    if(chptr->mode.mode & MODE_NOCOLOR && msg_has_colors(comment))
        comment = strip_color(comment);
    if (!has_member_flags(ms, CHFL_CHANOP|CHFL_HALFOP))
    {
    /* was a user, not a server, and user isn't seen as a chanop here */
      if (IsGod(source_p) && MyConnect(source_p))
        gmode_used = TRUE;
      else if (MyConnect(source_p))
      {
        /* user on _my_ server, with no chanops.. so go away */
        sendto_one(source_p, form_str(ERR_CHANOPRIVSNEEDED),
            me.name, source_p->name, name);
        return;
      }

      if (chptr->channelts == 0 && !IsGod(source_p))
      {
        /* If its a TS 0 channel, do it the old way */
        sendto_one(source_p, form_str(ERR_CHANOPRIVSNEEDED),
              me.name, source_p->name, name);
        return;
      }
      /* Its a user doing a kick, but is not showing as chanop locally
       * its also not a user ON -my- server, and the channel has a TS.
       * There are two cases we can get to this point then...
       *
       *     1) connect burst is happening, and for some reason a legit
       *        op has sent a KICK, but the SJOIN hasn't happened yet or 
       *        been seen. (who knows.. due to lag...)
       *
       *     2) The channel is desynced. That can STILL happen with TS
       *        
       *     Now, the old code roger wrote, would allow the KICK to 
       *     go through. Thats quite legit, but lets weird things like
       *     KICKS by users who appear not to be chanopped happen,
       *     or even neater, they appear not to be on the channel.
       *     This fits every definition of a desync, doesn't it? ;-)
       *     So I will allow the KICK, otherwise, things are MUCH worse.
       *     But I will warn it as a possible desync.
       *
       *     -Dianora
       */
    }
  }

  user = parv[2];

  while (*user == ',')
    user++;

  if ((p = strchr(user, ',')) != NULL)
    *p = '\0';

  if (*user == '\0')
    return;

  if ((who = find_chasing(client_p, source_p, user, &chasing)) == NULL)
    return;

  if ((ms_target = find_channel_link(who, chptr)) != NULL)
  {
    if (IsGod(who))
    {
      char tmp[IRCD_BUFSIZE];
      ircsprintf(tmp, "%s is using God mode: to evade KICK from %s: %s %s %s",
          who->name, source_p->name, chptr->chname, parv[2], parv[3] ? parv[3] : "");
      sendto_gnotice_flags(UMODE_SERVNOTICE, L_ALL, me.name, &me, NULL, tmp);
      oftc_log(tmp);

      return;
    }

    if(IsService(who))
      return;

#ifdef HALFOPS
    /* half ops cannot kick other halfops on private channels */
    if (has_member_flags(ms, CHFL_HALFOP) && !has_member_flags(ms, CHFL_CHANOP))
    {
      if (((chptr->mode.mode & MODE_PRIVATE) && has_member_flags(ms_target,
        CHFL_CHANOP|CHFL_HALFOP)) || has_member_flags(ms_target, CHFL_CHANOP))
      {
        sendto_one(source_p, form_str(ERR_CHANOPRIVSNEEDED),
                   me.name, source_p->name, name);
        return;
      }
    }
#endif

    /* jdc
     * - In the case of a server kicking a user (i.e. CLEARCHAN),
     *   the kick should show up as coming from the server which did
     *   the kick.
     * - Personally, flame and I believe that server kicks shouldn't
     *   be sent anyways.  Just waiting for some oper to abuse it...
     */
    if (IsServer(source_p))
      sendto_channel_local(ALL_MEMBERS, NO, chptr, ":%s KICK %s %s :%s",
                           source_p->name, name, who->name, comment);
    else
      sendto_channel_local(ALL_MEMBERS, NO, chptr, ":%s!%s@%s KICK %s %s :%s",
                           source_p->name, source_p->username,
                           source_p->host, name, who->name, comment);

    sendto_server(client_p, NULL, chptr, CAP_TS6, NOCAPS, NOFLAGS,
                  ":%s KICK %s %s :%s",
                  ID(source_p), chptr->chname, ID(who), comment);
    sendto_server(client_p, NULL, chptr, NOCAPS, CAP_TS6, NOFLAGS,
                  ":%s KICK %s %s :%s", source_p->name, chptr->chname,
                  who->name, comment);

    remove_user_from_channel(ms_target);
    if(gmode_used)
    {
      char tmp[IRCD_BUFSIZE];
      ircsprintf(tmp, "%s is using God mode: KICK %s %s %s",
          source_p->name, chptr->chname, parv[2], parv[3] ? parv[3] : "");
      sendto_gnotice_flags(UMODE_SERVNOTICE, L_ALL, me.name, &me, NULL, tmp);
      oftc_log(tmp);
    }
  }
  else
    sendto_one(source_p, form_str(ERR_USERNOTINCHANNEL),
               from, to, user, name);
}