diff options
Diffstat (limited to 'modules/m_links.c')
| -rw-r--r-- | modules/m_links.c | 191 |
1 files changed, 191 insertions, 0 deletions
diff --git a/modules/m_links.c b/modules/m_links.c new file mode 100644 index 0000000..04192d4 --- /dev/null +++ b/modules/m_links.c @@ -0,0 +1,191 @@ +/* + * ircd-hybrid: an advanced Internet Relay Chat Daemon(ircd). + * m_links.c: Shows what servers are currently connected. + * + * 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 "client.h" +#include "irc_string.h" +#include "ircd.h" +#include "numeric.h" +#include "s_serv.h" +#include "send.h" +#include "conf.h" +#include "motd.h" +#include "parse.h" +#include "modules.h" + + +static void +do_links(struct Client *source_p, int parc, char *parv[]) +{ + sendto_realops_flags(UMODE_SPY, L_ALL, + "LINKS requested by %s (%s@%s) [%s]", + source_p->name, + source_p->username, source_p->host, + source_p->servptr->name); + + if (HasUMode(source_p, UMODE_OPER) || !ConfigServerHide.flatten_links) + { + const char *mask = (parc > 2 ? parv[2] : parv[1]); + const char *me_name, *nick; + dlink_node *ptr; + + me_name = ID_or_name(&me, source_p->from); + nick = ID_or_name(source_p, source_p->from); + + DLINK_FOREACH(ptr, global_serv_list.head) + { + struct Client *target_p = ptr->data; + + /* skip hidden servers */ + if (IsHidden(target_p)) + if (!HasUMode(source_p, UMODE_OPER)) + continue; + + if (!EmptyString(mask) && !match(mask, target_p->name)) + continue; + + /* + * We just send the reply, as if they are here there's either no SHIDE, + * or they're an oper.. + */ + sendto_one(source_p, form_str(RPL_LINKS), + me_name, nick, + target_p->name, target_p->servptr->name, + target_p->hopcount, target_p->info); + } + + sendto_one(source_p, form_str(RPL_ENDOFLINKS), + me_name, nick, + EmptyString(mask) ? "*" : mask); + } + else + { + /* + * Print our own info so at least it looks like a normal links + * then print out the file (which may or may not be empty) + */ + sendto_one(source_p, form_str(RPL_LINKS), + ID_or_name(&me, source_p->from), + ID_or_name(source_p, source_p->from), + me.name, me.name, 0, me.info); + send_message_file(source_p, &ConfigFileEntry.linksfile); + sendto_one(source_p, form_str(RPL_ENDOFLINKS), + ID_or_name(&me, source_p->from), + ID_or_name(source_p, source_p->from), "*"); + } +} + +static void +mo_links(struct Client *client_p, struct Client *source_p, + int parc, char *parv[]) +{ + if (parc > 2) + if (!ConfigFileEntry.disable_remote || HasUMode(source_p, UMODE_OPER)) + if (hunt_server(client_p, source_p, ":%s LINKS %s :%s", 1, + parc, parv) != HUNTED_ISME) + return; + + do_links(source_p, parc, parv); +} + +/* + * m_links - LINKS message handler + * parv[0] = sender prefix + * parv[1] = servername mask + * or + * parv[0] = sender prefix + * parv[1] = server to query + * parv[2] = servername mask + */ +static void +m_links(struct Client *client_p, struct Client *source_p, + int parc, char *parv[]) +{ + static time_t last_used = 0; + + if ((last_used + ConfigFileEntry.pace_wait) > CurrentTime) + { + sendto_one(source_p, form_str(RPL_LOAD2HI), + me.name, source_p->name); + return; + } + + last_used = CurrentTime; + + if (!ConfigServerHide.flatten_links) + { + mo_links(client_p, source_p, parc, parv); + return; + } + + do_links(source_p, parc, parv); +} + +/* + * ms_links - LINKS message handler + * parv[0] = sender prefix + * parv[1] = servername mask + * or + * parv[0] = sender prefix + * parv[1] = server to query + * parv[2] = servername mask + */ +static void +ms_links(struct Client *client_p, struct Client *source_p, + int parc, char *parv[]) +{ + if (hunt_server(client_p, source_p, ":%s LINKS %s :%s", 1, + parc, parv) != HUNTED_ISME) + return; + + if (IsClient(source_p)) + m_links(client_p, source_p, parc, parv); +} + +static struct Message links_msgtab = { + "LINKS", 0, 0, 0, MAXPARA, MFLG_SLOW, 0, + {m_unregistered, m_links, ms_links, m_ignore, mo_links, m_ignore} +}; + +static void +module_init(void) +{ + mod_add_cmd(&links_msgtab); +} + +static void +module_exit(void) +{ + mod_del_cmd(&links_msgtab); +} + +struct module module_entry = { + .node = { NULL, NULL, NULL }, + .name = NULL, + .version = "$Revision$", + .handle = NULL, + .modinit = module_init, + .modexit = module_exit, + .flags = 0 +}; |