1 files changed, 196 insertions, 0 deletions
diff --git a/modules/m_names.c b/modules/m_names.c
new file mode 100644
index 0000000..ce56eb2
--- /dev/null
+++ b/modules/m_names.c
@@ -0,0 +1,196 @@
+/*
+ *  ircd-hybrid: an advanced Internet Relay Chat Daemon(ircd).
+ *  m_names.c: Shows the users who are online.
+ *
+ *  Copyright (C) 2002 by the past and present ircd coders, and others.
+ *
+ *  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
+ *
+ *  $Id$
+ */
+
+#include "stdinc.h"
+#include "list.h"
+#include "channel.h"
+#include "channel_mode.h"
+#include "client.h"
+#include "hash.h"
+#include "irc_string.h"
+#include "sprintf_irc.h"
+#include "ircd.h"
+#include "numeric.h"
+#include "send.h"
+#include "s_serv.h"
+#include "parse.h"
+#include "modules.h"
+
+
+/* names_all_visible_channels()
+ *
+ * inputs       - pointer to client struct requesting names
+ * output       - none
+ * side effects - lists all visible channels whee!
+ */
+static void
+names_all_visible_channels(struct Client *source_p)
+{
+  dlink_node *ptr = NULL;
+
+  /* 
+   * First, do all visible channels (public and the one user self is)
+   */
+  DLINK_FOREACH(ptr, global_channel_list.head)
+    /* Find users on same channel (defined by chptr) */
+    channel_member_names(source_p, ptr->data, 0);
+}
+
+/* names_non_public_non_secret()
+ *
+ * inputs       - pointer to client struct requesting names
+ * output       - none
+ * side effects - lists all non public non secret channels
+ */
+static void
+names_non_public_non_secret(struct Client *source_p)
+{
+  int mlen, tlen, cur_len;
+  int reply_to_send = 0;
+  int shown_already;
+  dlink_node *gc2ptr, *lp;
+  struct Client *c2ptr;
+  struct Channel *ch3ptr = NULL;
+  char buf[IRCD_BUFSIZE];
+  char *t;
+
+  mlen = snprintf(buf, sizeof(buf), form_str(RPL_NAMREPLY),
+                  me.name, source_p->name, "*", "*");
+  cur_len = mlen;
+  t = buf + mlen;
+
+  /* Second, do all non-public, non-secret channels in one big sweep */
+  DLINK_FOREACH(gc2ptr, global_client_list.head)
+  {
+    c2ptr = gc2ptr->data;
+
+    if (!IsClient(c2ptr) || HasUMode(c2ptr, UMODE_INVISIBLE))
+      continue;
+
+    shown_already = 0;
+
+    /* We already know the user is not +i. If they are on no common
+     * channels with source_p, they have not been shown yet. */
+    DLINK_FOREACH(lp, c2ptr->channel.head)
+    {
+      ch3ptr = ((struct Membership *) lp->data)->chptr;
+
+      if (IsMember(source_p, ch3ptr))
+      {
+        shown_already = 1;
+        break;
+      }
+    }
+
+    if (shown_already)
+      continue;
+
+    tlen = strlen(c2ptr->name);
+    if (cur_len + tlen + 1 > IRCD_BUFSIZE - 2)
+    {
+      sendto_one(source_p, "%s", buf);
+      cur_len = mlen;
+      t = buf + mlen;
+    }
+
+    strcpy(t, c2ptr->name);
+    t += tlen;
+
+    *t++ = ' ';
+    *t = 0;
+
+    cur_len += tlen + 1;
+
+    reply_to_send = 1;
+  }
+
+  if (reply_to_send)
+    sendto_one(source_p, "%s", buf);
+}
+
+/*
+** m_names
+**      parv[0] = sender prefix
+**      parv[1] = channel
+*/
+static void
+m_names(struct Client *client_p, struct Client *source_p,
+        int parc, char *parv[])
+{
+  struct Channel *chptr = NULL;
+  char *s;
+  char *para = parc > 1 ? parv[1] : NULL;
+
+  if (!EmptyString(para))
+  {
+    while (*para == ',')
+      ++para;
+
+    if ((s = strchr(para, ',')) != NULL)
+      *s = '\0';
+
+    if (*para == '\0')
+      return;
+
+    if ((chptr = hash_find_channel(para)) != NULL)
+      channel_member_names(source_p, chptr, 1);
+    else
+      sendto_one(source_p, form_str(RPL_ENDOFNAMES),
+                 me.name, source_p->name, para);
+  }
+  else
+  {
+    names_all_visible_channels(source_p);
+    names_non_public_non_secret(source_p);
+    sendto_one(source_p, form_str(RPL_ENDOFNAMES),
+               me.name, source_p->name, "*");
+  }
+}
+
+static struct Message names_msgtab = {
+  "NAMES", 0, 0, 0, MAXPARA, MFLG_SLOW, 0,
+  {m_unregistered, m_names, m_ignore, m_ignore, m_names, m_ignore}
+};
+
+static void
+module_init(void)
+{
+  mod_add_cmd(&names_msgtab);
+}
+
+static void
+module_exit(void)
+{
+  mod_del_cmd(&names_msgtab);
+}
+
+struct module module_entry = {
+  .node    = { NULL, NULL, NULL },
+  .name    = NULL,
+  .version = "$Revision$",
+  .handle  = NULL,
+  .modinit = module_init,
+  .modexit = module_exit,
+  .flags   = 0
+};