271 lines
6.6 KiB
C
271 lines
6.6 KiB
C
/*
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* Helpops system.
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* -- kaniini
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*/
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#include "stdinc.h"
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#include "modules.h"
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#include "client.h"
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#include "hook.h"
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#include "ircd.h"
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#include "send.h"
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#include "s_conf.h"
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#include "s_user.h"
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#include "s_newconf.h"
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#include "numeric.h"
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static const char helpops_desc[] = "The helpops system as used by freenode";
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static rb_dlink_list helper_list = { NULL, NULL, 0 };
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static void h_hdl_stats_request(void *hdata);
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static void h_hdl_new_remote_user(void *client_p);
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static void h_hdl_client_exit(void *hdata);
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static void h_hdl_umode_changed(void *hdata);
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static void h_hdl_whois(void *hdata);
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static void recurse_client_exit(struct Client *client_p);
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static void helper_add(struct Client *client_p);
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static void helper_delete(struct Client *client_p);
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static void mo_dehelper(struct MsgBuf *, struct Client *, struct Client *, int, const char **);
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static void me_dehelper(struct MsgBuf *, struct Client *, struct Client *, int, const char **);
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static void do_dehelper(struct Client *source_p, struct Client *target_p);
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mapi_hfn_list_av1 helpops_hfnlist[] = {
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{ "doing_stats", h_hdl_stats_request },
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{ "new_remote_user", h_hdl_new_remote_user },
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{ "client_exit", h_hdl_client_exit },
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{ "umode_changed", h_hdl_umode_changed },
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{ "doing_whois", h_hdl_whois },
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{ "doing_whois_global", h_hdl_whois },
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{ NULL, NULL }
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};
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#define UMODECHAR_HELPOPS 'h'
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struct Message dehelper_msgtab = {
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"DEHELPER", 0, 0, 0, 0,
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{mg_unreg, mg_not_oper, mg_not_oper, mg_ignore, {me_dehelper, 2}, {mo_dehelper, 2}}
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};
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mapi_clist_av1 helpops_clist[] = { &dehelper_msgtab, NULL };
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static void
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mo_dehelper(struct MsgBuf *msgbuf_p, struct Client *client_p, struct Client *source_p, int parc, const char **parv)
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{
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struct Client *target_p;
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if (!HasPrivilege(source_p, "oper:dehelper"))
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{
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sendto_one(source_p, form_str(ERR_NOPRIVS), me.name, source_p->name, "dehelper");
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return;
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}
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if(!(target_p = find_named_person(parv[1])))
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{
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sendto_one_numeric(source_p, ERR_NOSUCHNICK, form_str(ERR_NOSUCHNICK), parv[1]);
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return;
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}
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if(MyClient(target_p))
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do_dehelper(source_p, target_p);
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else
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sendto_one(target_p, ":%s ENCAP %s DEHELPER %s",
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use_id(source_p), target_p->servptr->name, use_id(target_p));
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}
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static void
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me_dehelper(struct MsgBuf *msgbuf_p, struct Client *client_p, struct Client *source_p, int parc, const char **parv)
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{
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struct Client *target_p = find_person(parv[1]);
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if(!target_p)
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{
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sendto_one_numeric(source_p, ERR_NOSUCHNICK, form_str(ERR_NOSUCHNICK), parv[1]);
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return;
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}
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if(!MyClient(target_p))
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return;
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do_dehelper(source_p, target_p);
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}
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static void
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do_dehelper(struct Client *source_p, struct Client *target_p)
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{
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const char *fakeparv[4];
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static const char minus_helpops[3] = {'-', UMODECHAR_HELPOPS, '\0'};
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if(!(target_p->umodes & user_modes[UMODECHAR_HELPOPS]))
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return;
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sendto_realops_snomask(SNO_GENERAL, L_NETWIDE, "%s is using DEHELPER on %s",
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source_p->name, target_p->name);
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sendto_one_notice(target_p, ":*** %s is using DEHELPER on you", source_p->name);
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fakeparv[0] = fakeparv[1] = target_p->name;
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fakeparv[2] = minus_helpops;
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fakeparv[3] = NULL;
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user_mode(target_p, target_p, 3, fakeparv);
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}
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static int
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_modinit(void)
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{
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rb_dlink_node *ptr;
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user_modes[UMODECHAR_HELPOPS] = find_umode_slot();
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construct_umodebuf();
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RB_DLINK_FOREACH (ptr, global_client_list.head)
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{
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struct Client *client_p = ptr->data;
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if (IsPerson(client_p) && (client_p->umodes & user_modes[UMODECHAR_HELPOPS]))
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helper_add(client_p);
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}
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return 0;
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}
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static void
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_moddeinit(void)
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{
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rb_dlink_node *n, *tn;
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user_modes[UMODECHAR_HELPOPS] = 0;
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construct_umodebuf();
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RB_DLINK_FOREACH_SAFE(n, tn, helper_list.head)
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rb_dlinkDestroy(n, &helper_list);
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}
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static void
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h_hdl_stats_request(void *data)
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{
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hook_data_int *hdata = data;
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struct Client *target_p;
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rb_dlink_node *helper_ptr;
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unsigned int count = 0;
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if (hdata->arg2 != 'p')
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return;
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RB_DLINK_FOREACH (helper_ptr, helper_list.head)
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{
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target_p = helper_ptr->data;
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if(target_p->user->away)
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continue;
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count++;
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if (IsOper(hdata->client) && SeesOper(target_p, hdata->client)
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&& !EmptyString(target_p->user->opername))
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sendto_one_numeric(hdata->client, RPL_STATSDEBUG,
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"p :%s (%s@%s) {%s}",
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target_p->name, target_p->username, target_p->host,
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target_p->user->opername);
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else
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sendto_one_numeric(hdata->client, RPL_STATSDEBUG,
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"p :%s (%s@%s)",
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target_p->name, target_p->username, target_p->host);
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}
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sendto_one_numeric(hdata->client, RPL_STATSDEBUG,
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"p :%u staff members", count);
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hdata->result = 1;
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}
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static void
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helper_add(struct Client *client_p)
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{
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if (rb_dlinkFind(client_p, &helper_list) != NULL)
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return;
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rb_dlinkAddAlloc(client_p, &helper_list);
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}
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static void
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helper_delete(struct Client *client_p)
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{
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rb_dlinkFindDestroy(client_p, &helper_list);
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}
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static void
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h_hdl_new_remote_user(void *data)
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{
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struct Client *client_p = data;
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if (client_p->umodes & user_modes[UMODECHAR_HELPOPS])
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helper_add(client_p);
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}
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static void
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recurse_client_exit(struct Client *client_p)
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{
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if (IsPerson(client_p))
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{
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if (client_p->umodes & user_modes[UMODECHAR_HELPOPS])
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helper_delete(client_p);
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}
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else if (IsServer(client_p))
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{
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rb_dlink_node *nptr;
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RB_DLINK_FOREACH(nptr, client_p->serv->users.head)
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recurse_client_exit(nptr->data);
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RB_DLINK_FOREACH(nptr, client_p->serv->servers.head)
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recurse_client_exit(nptr->data);
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}
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}
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static void
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h_hdl_client_exit(void *data)
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{
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hook_data_client_exit *hdata = data;
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recurse_client_exit(hdata->target);
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}
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static void
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h_hdl_umode_changed(void *data)
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{
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hook_data_umode_changed *hdata = data;
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struct Client *source_p = hdata->client;
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/* didn't change +h umode, we don't need to do anything */
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bool changed = (hdata->oldumodes ^ source_p->umodes) & user_modes[UMODECHAR_HELPOPS];
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if (source_p->umodes & user_modes[UMODECHAR_HELPOPS])
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{
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if (MyClient(source_p) && !HasPrivilege(source_p, "usermode:helpops"))
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{
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source_p->umodes &= ~user_modes[UMODECHAR_HELPOPS];
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sendto_one(source_p, form_str(ERR_NOPRIVS), me.name, source_p->name, "usermode:helpops");
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/* they didn't ask for +h so we must be removing it */
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if (!changed)
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helper_delete(source_p);
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return;
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}
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if (changed)
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helper_add(source_p);
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}
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else if (changed)
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{
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helper_delete(source_p);
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}
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}
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static void
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h_hdl_whois(void *data)
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{
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hook_data_client *hdata = data;
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struct Client *source_p = hdata->client;
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struct Client *target_p = hdata->target;
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if ((target_p->umodes & user_modes[UMODECHAR_HELPOPS]) && EmptyString(target_p->user->away))
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{
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sendto_one_numeric(source_p, RPL_WHOISHELPOP, form_str(RPL_WHOISHELPOP), target_p->name);
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}
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}
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DECLARE_MODULE_AV2(helpops, _modinit, _moddeinit, helpops_clist, NULL, helpops_hfnlist, NULL, NULL, helpops_desc);
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