X-Git-Url: https://jfr.im/git/solanum.git/blobdiff_plain/4d21f1e8e0b0b9c7483fd10ffa281e386abca226..8f0c3422e75189b7f39a7555ded278ab6027707b:/extensions/helpops.c diff --git a/extensions/helpops.c b/extensions/helpops.c index 4bf86208..72d81290 100644 --- a/extensions/helpops.c +++ b/extensions/helpops.c @@ -14,12 +14,20 @@ #include "s_newconf.h" #include "numeric.h" +static const char helpops_desc[] = "The helpops system as used by freenode"; + static rb_dlink_list helper_list = { NULL, NULL, 0 }; static void h_hdl_stats_request(hook_data_int *hdata); static void h_hdl_new_remote_user(struct Client *client_p); static void h_hdl_client_exit(hook_data_client_exit *hdata); static void h_hdl_umode_changed(hook_data_umode_changed *hdata); static void h_hdl_whois(hook_data_client *hdata); +static void recurse_client_exit(struct Client *client_p); +static void helper_add(struct Client *client_p); +static void helper_delete(struct Client *client_p); +static void mo_dehelper(struct MsgBuf *, struct Client *, struct Client *, int, const char **); +static void me_dehelper(struct MsgBuf *, struct Client *, struct Client *, int, const char **); +static void do_dehelper(struct Client *source_p, struct Client *target_p); mapi_hfn_list_av1 helpops_hfnlist[] = { { "doing_stats", (hookfn) h_hdl_stats_request }, @@ -31,24 +39,101 @@ mapi_hfn_list_av1 helpops_hfnlist[] = { { NULL, NULL } }; -static int UMODE_HELPOPS = 0; +#define UMODECHAR_HELPOPS 'h' + +struct Message dehelper_msgtab = { + "DEHELPER", 0, 0, 0, 0, + {mg_unreg, mg_not_oper, mg_not_oper, mg_ignore, {me_dehelper, 2}, {mo_dehelper, 2}} +}; + +mapi_clist_av1 helpops_clist[] = { &dehelper_msgtab, NULL }; + +static void +mo_dehelper(struct MsgBuf *msgbuf_p, struct Client *client_p, struct Client *source_p, int parc, const char **parv) +{ + struct Client *target_p; + + if (!HasPrivilege(source_p, "oper:dehelper")) + { + sendto_one(source_p, form_str(ERR_NOPRIVS), me.name, source_p->name, "dehelper"); + return; + } + + if(!(target_p = find_named_person(parv[1]))) + { + sendto_one_numeric(source_p, ERR_NOSUCHNICK, form_str(ERR_NOSUCHNICK), parv[1]); + return; + } + + if(MyClient(target_p)) + do_dehelper(source_p, target_p); + else + sendto_one(target_p, ":%s ENCAP %s DEHELPER %s", + use_id(source_p), target_p->servptr->name, use_id(target_p)); +} + +static void +me_dehelper(struct MsgBuf *msgbuf_p, struct Client *client_p, struct Client *source_p, int parc, const char **parv) +{ + struct Client *target_p = find_person(parv[1]); + if(!target_p) + { + sendto_one_numeric(source_p, ERR_NOSUCHNICK, form_str(ERR_NOSUCHNICK), parv[1]); + return; + } + if(!MyClient(target_p)) + return; + + do_dehelper(source_p, target_p); +} + +static void +do_dehelper(struct Client *source_p, struct Client *target_p) +{ + const char *fakeparv[4]; + static const char minus_helpops[3] = {'-', UMODECHAR_HELPOPS, '\0'}; + + if(!(target_p->umodes & user_modes[UMODECHAR_HELPOPS])) + return; + + sendto_realops_snomask(SNO_GENERAL, L_NETWIDE, "%s is using DEHELPER on %s", + source_p->name, target_p->name); + sendto_one_notice(target_p, ":*** %s is using DEHELPER on you", source_p->name); + + fakeparv[0] = fakeparv[1] = target_p->name; + fakeparv[2] = minus_helpops; + fakeparv[3] = NULL; + user_mode(target_p, target_p, 3, fakeparv); +} static int _modinit(void) { - /* add the usermode to the available slot */ - user_modes['H'] = UMODE_HELPOPS = find_umode_slot(); + rb_dlink_node *ptr; + + user_modes[UMODECHAR_HELPOPS] = find_umode_slot(); construct_umodebuf(); + RB_DLINK_FOREACH (ptr, global_client_list.head) + { + struct Client *client_p = ptr->data; + if (IsPerson(client_p) && (client_p->umodes & user_modes[UMODECHAR_HELPOPS])) + helper_add(client_p); + } + return 0; } static void _moddeinit(void) { - /* disable the umode and remove it from the available list */ - user_modes['H'] = UMODE_HELPOPS = 0; + rb_dlink_node *n, *tn; + + user_modes[UMODECHAR_HELPOPS] = 0; construct_umodebuf(); + + RB_DLINK_FOREACH_SAFE(n, tn, helper_list.head) + rb_dlinkDestroy(n, &helper_list); } static void @@ -65,9 +150,6 @@ h_hdl_stats_request(hook_data_int *hdata) { target_p = helper_ptr->data; - if(IsOperInvis(target_p) && !IsOper(hdata->client)) - continue; - if(target_p->user->away) continue; @@ -85,18 +167,52 @@ h_hdl_stats_request(hook_data_int *hdata) hdata->result = 1; } +static void +helper_add(struct Client *client_p) +{ + if (rb_dlinkFind(client_p, &helper_list) != NULL) + return; + + rb_dlinkAddAlloc(client_p, &helper_list); +} + +static void +helper_delete(struct Client *client_p) +{ + rb_dlinkFindDestroy(client_p, &helper_list); +} + static void h_hdl_new_remote_user(struct Client *client_p) { - if (client_p->umodes & UMODE_HELPOPS) - rb_dlinkAddAlloc(client_p, &helper_list); + if (client_p->umodes & user_modes[UMODECHAR_HELPOPS]) + helper_add(client_p); +} + +static void +recurse_client_exit(struct Client *client_p) +{ + if (IsPerson(client_p)) + { + if (client_p->umodes & user_modes[UMODECHAR_HELPOPS]) + helper_delete(client_p); + } + else if (IsServer(client_p)) + { + rb_dlink_node *nptr; + + RB_DLINK_FOREACH(nptr, client_p->serv->users.head) + recurse_client_exit(nptr->data); + + RB_DLINK_FOREACH(nptr, client_p->serv->servers.head) + recurse_client_exit(nptr->data); + } } static void h_hdl_client_exit(hook_data_client_exit *hdata) { - if (hdata->target->umodes & UMODE_HELPOPS) - rb_dlinkFindDestroy(hdata->target, &helper_list); + recurse_client_exit(hdata->target); } static void @@ -104,23 +220,28 @@ h_hdl_umode_changed(hook_data_umode_changed *hdata) { struct Client *source_p = hdata->client; - /* didn't change +H umode, we don't need to do anything */ - if (!((hdata->oldumodes ^ source_p->umodes) & UMODE_HELPOPS)) - return; + /* didn't change +h umode, we don't need to do anything */ + bool changed = (hdata->oldumodes ^ source_p->umodes) & user_modes[UMODECHAR_HELPOPS]; - if (source_p->umodes & UMODE_HELPOPS) + if (source_p->umodes & user_modes[UMODECHAR_HELPOPS]) { if (MyClient(source_p) && !HasPrivilege(source_p, "usermode:helpops")) { - source_p->umodes &= ~UMODE_HELPOPS; + source_p->umodes &= ~user_modes[UMODECHAR_HELPOPS]; sendto_one(source_p, form_str(ERR_NOPRIVS), me.name, source_p->name, "usermode:helpops"); + /* they didn't ask for +h so we must be removing it */ + if (!changed) + helper_delete(source_p); return; } - rb_dlinkAddAlloc(source_p, &helper_list); + if (changed) + helper_add(source_p); + } + else if (changed) + { + helper_delete(source_p); } - else if (!(source_p->umodes & UMODE_HELPOPS)) - rb_dlinkFindDestroy(source_p, &helper_list); } static void @@ -129,10 +250,10 @@ h_hdl_whois(hook_data_client *hdata) struct Client *source_p = hdata->client; struct Client *target_p = hdata->target; - if ((target_p->umodes & UMODE_HELPOPS) && EmptyString(target_p->user->away)) + if ((target_p->umodes & user_modes[UMODECHAR_HELPOPS]) && EmptyString(target_p->user->away)) { sendto_one_numeric(source_p, RPL_WHOISHELPOP, form_str(RPL_WHOISHELPOP), target_p->name); } } -DECLARE_MODULE_AV1(helpops, _modinit, _moddeinit, NULL, NULL, helpops_hfnlist, ""); +DECLARE_MODULE_AV2(helpops, _modinit, _moddeinit, helpops_clist, NULL, helpops_hfnlist, NULL, NULL, helpops_desc);