From 429cf1b74fbfc60e772d3878804495edffc6f384 Mon Sep 17 00:00:00 2001 From: William Pitcock Date: Mon, 6 Dec 2010 23:44:55 -0600 Subject: [PATCH] Add oper-override (modehacking only) as a module. I think if you are going to kick someone from a channel. --- doc/example.conf | 1 + doc/reference.conf | 2 + extensions/Makefile.in | 1 + extensions/override.c | 184 +++++++++++++++++++++++++++++++++++++++++ 4 files changed, 188 insertions(+) create mode 100644 extensions/override.c diff --git a/doc/example.conf b/doc/example.conf index 82a7677d..3cbb7b80 100755 --- a/doc/example.conf +++ b/doc/example.conf @@ -30,6 +30,7 @@ #loadmodule "extensions/sno_globalkline.so"; #loadmodule "extensions/sno_globaloper.so"; #loadmodule "extensions/sno_whois.so"; +#loadmodule "extensions/override.so"; /* * IP cloaking extensions: use ip_cloaking_4.0 diff --git a/doc/reference.conf b/doc/reference.conf index 096ee9dc..be86c8dd 100755 --- a/doc/reference.conf +++ b/doc/reference.conf @@ -69,6 +69,7 @@ * Remote k/d/x line active notices -- sno_globalkline.so * Remote oper up notices -- sno_globaloper.so * /whois notifications (snomask +W) -- sno_whois.so + * Oper-override (modehacking only) -- override.so */ #loadmodule "extensions/chm_adminonly.so"; #loadmodule "extensions/chm_operonly.so"; @@ -95,6 +96,7 @@ #loadmodule "extensions/sno_globalkline.so"; #loadmodule "extensions/sno_globaloper.so"; #loadmodule "extensions/sno_whois.so"; +#loadmodule "extensions/override.so"; /* serverinfo {}: Contains information about the server. (OLD M:) */ serverinfo { diff --git a/extensions/Makefile.in b/extensions/Makefile.in index cea88c2a..a05b1e36 100644 --- a/extensions/Makefile.in +++ b/extensions/Makefile.in @@ -49,6 +49,7 @@ SRCS = \ ip_cloaking_old.c \ ip_cloaking_3.0.c \ ip_cloaking_4.0.c \ + override.c \ sno_farconnect.c \ sno_globalkline.c \ sno_globaloper.c \ diff --git a/extensions/override.c b/extensions/override.c new file mode 100644 index 00000000..c65b6171 --- /dev/null +++ b/extensions/override.c @@ -0,0 +1,184 @@ +/* + * oper-override for charybdis. + * + * adds usermode +p and has a timer event that is iterated over to disable + * usermode +p after a while... + * + * you need to have oper:override permission on the opers you want to be + * able to use this extension. + */ + +#include "stdinc.h" +#include "modules.h" +#include "hook.h" +#include "client.h" +#include "ircd.h" +#include "send.h" +#include "hash.h" +#include "s_conf.h" +#include "s_user.h" +#include "s_serv.h" +#include "numeric.h" +#include "privilege.h" +#include "s_newconf.h" + +static void check_umode_change(void *data); +static void hack_channel_access(void *data); + +mapi_hfn_list_av1 override_hfnlist[] = { + { "umode_changed", (hookfn) check_umode_change }, + { "get_channel_access", (hookfn) hack_channel_access }, + { NULL, NULL } +}; + +#define IsOperOverride(x) (HasPrivilege((x), "oper:override")) + +struct OverrideSession { + rb_dlink_node node; + + struct Client *client; + time_t deadline; +}; + +rb_dlink_list overriding_opers = { NULL, NULL, 0 }; + +static void +update_session_deadline(struct Client *source_p, struct OverrideSession *session_p) +{ + if (session_p == NULL) + { + rb_dlink_node *n; + + RB_DLINK_FOREACH(n, overriding_opers.head) + { + struct OverrideSession *s = n->data; + + if (s->client == source_p) + { + session_p = s; + break; + } + } + } + + if (session_p == NULL) + { + session_p = rb_malloc(sizeof(struct OverrideSession)); + session_p->client = source_p; + } + + session_p->deadline = rb_current_time() + 1800; + + rb_dlinkDelete(&session_p->node, &overriding_opers); + rb_dlinkAdd(session_p, &session_p->node, &overriding_opers); +} + +static void +expire_override_deadlines(void *unused) +{ + rb_dlink_node *n, *tn; + + RB_DLINK_FOREACH_SAFE(n, tn, overriding_opers.head) + { + struct OverrideSession *session_p = n->data; + + if (session_p->deadline > rb_current_time()) + break; + else if (session_p->deadline < rb_current_time()) + { + const char *parv[4] = {session_p->client->name, session_p->client->name, "-p", NULL}; + user_mode(session_p->client, session_p->client, 3, parv); + } + } +} + +static void +check_umode_change(void *vdata) +{ + hook_data_umode_changed *data = (hook_data_umode_changed *)vdata; + struct Client *source_p = data->client; + + if (!MyClient(source_p)) + return; + + /* didn't change +p umode, we don't need to do anything */ + if (!((data->oldumodes ^ source_p->umodes) & user_modes['p'])) + return; + + if (!IsOperOverride(source_p)) + { + source_p->umodes &= ~user_modes['p']; + return; + } + + if (source_p->umodes & user_modes['p']) + { + update_session_deadline(source_p, NULL); + + sendto_realops_snomask(SNO_GENERAL, L_NETWIDE, "%s has enabled oper-override (+p)", + get_oper_name(source_p)); + } + else if (!(source_p->umodes & user_modes['p'])) + { + rb_dlink_node *n, *tn; + + RB_DLINK_FOREACH_SAFE(n, tn, overriding_opers.head) + { + struct OverrideSession *session_p = n->data; + + if (session_p->client != source_p) + continue; + + sendto_realops_snomask(SNO_GENERAL, L_NETWIDE, "%s has disabled oper-override (+p)", + get_oper_name(session_p->client)); + + rb_dlinkDelete(n, &overriding_opers); + rb_free(session_p); + } + } +} + +static void +hack_channel_access(void *vdata) +{ + hook_data_channel_approval *data = (hook_data_channel_approval *) vdata; + + if (data->approved == CHFL_CHANOP) + return; + + if (data->client->umodes & user_modes['p']) + { + update_session_deadline(data->client, NULL); + data->approved = CHFL_CHANOP; + + sendto_realops_snomask(SNO_GENERAL, L_NETWIDE, "%s is using oper-override on %s (modehacking)", + get_oper_name(data->client), data->chptr->chname); + } +} + +struct ev_entry *expire_override_deadlines_ev = NULL; + +static int +_modinit(void) +{ + /* add the usermode to the available slot */ + user_modes['p'] = find_umode_slot(); + construct_umodebuf(); + + expire_override_deadlines_ev = rb_event_add("expire_override_deadlines", expire_override_deadlines, NULL, 60); + + return 0; +} + +static void +_moddeinit(void) +{ + /* disable the umode and remove it from the available list */ + user_modes['p'] = 0; + construct_umodebuf(); + + rb_event_delete(expire_override_deadlines_ev); +} + +DECLARE_MODULE_AV1(override, _modinit, _moddeinit, NULL, NULL, + override_hfnlist, "$Revision: 3526 $");