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[READ-ONLY] Mirror of https://github.com/VibeDevelopers/Comet.
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#include "stdinc.h"#include "send.h"#include "channel.h"#include "client.h"#include "defaults.h"#include "class.h"#include "ircd.h"#include "numeric.h"#include "logger.h"#include "s_serv.h"#include "whowas.h"#include "match.h"#include "hash.h"#include "msg.h"#include "parse.h"#include "modules.h"#include "s_conf.h"#include "s_newconf.h"#include "reject.h"#include "bandbi.h"#include "operhash.h"
static const char xline_desc[] = "Provides management of GECOS bans via (UN)XLINE command";
static void mo_xline(struct MsgBuf *msgbuf_p, struct Client *client_p, struct Client *source_p, int parc, const char *parv[]);static void ms_xline(struct MsgBuf *msgbuf_p, struct Client *client_p, struct Client *source_p, int parc, const char *parv[]);static void me_xline(struct MsgBuf *msgbuf_p, struct Client *client_p, struct Client *source_p, int parc, const char *parv[]);static void mo_unxline(struct MsgBuf *msgbuf_p, struct Client *client_p, struct Client *source_p, int parc, const char *parv[]);static void ms_unxline(struct MsgBuf *msgbuf_p, struct Client *client_p, struct Client *source_p, int parc, const char *parv[]);static void me_unxline(struct MsgBuf *msgbuf_p, struct Client *client_p, struct Client *source_p, int parc, const char *parv[]);
static bool valid_xline(struct Client *, const char *, const char *);static void apply_xline(struct Client *client_p, const char *name, const char *reason, int temp_time, bool propagated);static void propagate_xline(struct Client *source_p, const char *target, int temp_time, const char *name, const char *type, const char *reason);static void cluster_xline(struct Client *source_p, int temp_time, const char *name, const char *reason);
static void handle_remote_xline(struct Client *source_p, int temp_time, const char *name, const char *reason);static void handle_remote_unxline(struct Client *source_p, const char *name);static void remove_xline(struct Client *source_p, const char *name, bool propagated);
struct Message xline_msgtab = { "XLINE", 0, 0, 0, 0, {mg_unreg, mg_not_oper, {ms_xline, 5}, {ms_xline, 5}, {me_xline, 5}, {mo_xline, 3}}};
struct Message unxline_msgtab = { "UNXLINE", 0, 0, 0, 0, {mg_unreg, mg_not_oper, {ms_unxline, 3}, {ms_unxline, 3}, {me_unxline, 2}, {mo_unxline, 2}}};
mapi_clist_av1 xline_clist[] = { &xline_msgtab, &unxline_msgtab, NULL };
DECLARE_MODULE_AV2(xline, NULL, NULL, xline_clist, NULL, NULL, NULL, NULL, xline_desc);
/* m_xline() * * parv[1] - thing to xline * parv[2] - optional type/reason * parv[3] - reason */static voidmo_xline(struct MsgBuf *msgbuf_p, struct Client *client_p, struct Client *source_p, int parc, const char *parv[]){ struct ConfItem *aconf; const char *name; const char *reason; const char *target_server = NULL; int temp_time; int loc = 1; bool propagated = ConfigFileEntry.use_propagated_bans;
if(!IsOperXline(source_p)) { sendto_one(source_p, form_str(ERR_NOPRIVS), me.name, source_p->name, "xline"); return; }
if((temp_time = valid_temp_time(parv[loc])) >= 0) loc++; /* we just set temp_time to -1! */ else temp_time = 0;
name = parv[loc]; loc++;
/* XLINE <gecos> ON <server> :<reason> */ if(parc >= loc + 2 && !irccmp(parv[loc], "ON")) { if(!IsOperRemoteBan(source_p)) { sendto_one(source_p, form_str(ERR_NOPRIVS), me.name, source_p->name, "remoteban"); return; }
target_server = parv[loc + 1]; loc += 2; }
if(parc <= loc || EmptyString(parv[loc])) { sendto_one(source_p, form_str(ERR_NEEDMOREPARAMS), me.name, source_p->name, "XLINE"); return; }
reason = parv[loc];
if(target_server != NULL) { if (temp_time) sendto_realops_snomask(SNO_GENERAL, L_NETWIDE, "%s is adding a temporary %d min. X-Line for [%s] on %s [%s]", get_oper_name(source_p), temp_time / 60, name, target_server, reason); else sendto_realops_snomask(SNO_GENERAL, L_NETWIDE, "%s is adding a permanent X-Line for [%s] on %s [%s]", get_oper_name(source_p), name, target_server, reason);
propagate_xline(source_p, target_server, temp_time, name, "2", reason);
if(!match(target_server, me.name)) return;
/* Set as local-only. */ propagated = false; } else if(!propagated && rb_dlink_list_length(&cluster_conf_list) > 0) cluster_xline(source_p, temp_time, name, reason);
if((aconf = find_xline_mask(name)) != NULL) { sendto_one(source_p, ":%s NOTICE %s :[%s] already X-Lined by [%s] - %s", me.name, source_p->name, name, aconf->host, aconf->passwd); return; }
if(!valid_xline(source_p, name, reason)) return;
if(propagated && temp_time == 0) { sendto_one_notice(source_p, ":Cannot set a permanent global ban"); return; }
apply_xline(source_p, name, reason, temp_time, propagated);}
/* ms_xline() * * handles a remote xline */static voidms_xline(struct MsgBuf *msgbuf_p, struct Client *client_p, struct Client *source_p, int parc, const char *parv[]){ /* parv[0] parv[1] parv[2] parv[3] parv[4] * oper target serv xline type reason */ propagate_xline(source_p, parv[1], 0, parv[2], parv[3], parv[4]);
if(!IsPerson(source_p)) return;
/* destined for me? */ if(!match(parv[1], me.name)) return;
handle_remote_xline(source_p, 0, parv[2], parv[4]);}
static voidme_xline(struct MsgBuf *msgbuf_p, struct Client *client_p, struct Client *source_p, int parc, const char *parv[]){ /* time name type :reason */ if(!IsPerson(source_p)) return;
handle_remote_xline(source_p, atoi(parv[1]), parv[2], parv[4]);}
static voidhandle_remote_xline(struct Client *source_p, int temp_time, const char *name, const char *reason){ struct ConfItem *aconf;
if(!valid_xline(source_p, name, reason)) return;
/* already xlined */ if((aconf = find_xline_mask(name)) != NULL) { sendto_one_notice(source_p, ":[%s] already X-Lined by [%s] - %s", name, aconf->host, aconf->passwd); return; }
apply_xline(source_p, name, reason, temp_time, false);}
/* valid_xline() * * inputs - client xlining, gecos, reason and whether to warn * outputs - * side effects - checks the xline for validity, erroring if needed */static boolvalid_xline(struct Client *source_p, const char *gecos, const char *reason){ if(EmptyString(reason)) { sendto_one(source_p, form_str(ERR_NEEDMOREPARAMS), get_id(&me, source_p), get_id(source_p, source_p), "XLINE"); return false; }
if(!valid_wild_card_simple(gecos)) { sendto_one_notice(source_p, ":Please include at least %d non-wildcard " "characters with the xline", ConfigFileEntry.min_nonwildcard_simple); return false; }
return true;}
voidapply_xline(struct Client *source_p, const char *name, const char *reason, int temp_time, bool propagated){ struct ConfItem *aconf;
aconf = make_conf(); aconf->status = CONF_XLINE; aconf->created = rb_current_time(); aconf->host = rb_strdup(name); aconf->passwd = rb_strdup(reason); collapse(aconf->host);
aconf->info.oper = operhash_add(get_oper_name(source_p));
if(propagated) { aconf->flags |= CONF_FLAGS_MYOPER | CONF_FLAGS_TEMPORARY; aconf->hold = rb_current_time() + temp_time; aconf->lifetime = aconf->hold;
replace_old_ban(aconf); add_prop_ban(aconf);
sendto_realops_snomask(SNO_GENERAL, L_ALL, "%s added global %d min. X-Line for [%s] [%s]", get_oper_name(source_p), temp_time / 60, aconf->host, reason); ilog(L_KLINE, "X %s %d %s %s", get_oper_name(source_p), temp_time / 60, name, reason); sendto_one_notice(source_p, ":Added global %d min. X-Line [%s]", temp_time / 60, aconf->host); sendto_server(NULL, NULL, CAP_BAN|CAP_TS6, NOCAPS, ":%s BAN X * %s %lu %d %d * :%s", source_p->id, aconf->host, (unsigned long)aconf->created, (int)(aconf->hold - aconf->created), (int)(aconf->lifetime - aconf->created), reason); } else if(temp_time > 0) { aconf->hold = rb_current_time() + temp_time;
sendto_realops_snomask(SNO_GENERAL, L_ALL, "%s added temporary %d min. X-Line for [%s] [%s]", get_oper_name(source_p), temp_time / 60, aconf->host, reason); ilog(L_KLINE, "X %s %d %s %s", get_oper_name(source_p), temp_time / 60, name, reason); sendto_one_notice(source_p, ":Added temporary %d min. X-Line [%s]", temp_time / 60, aconf->host); } else { sendto_realops_snomask(SNO_GENERAL, L_ALL, "%s added X-Line for [%s] [%s]", get_oper_name(source_p), aconf->host, aconf->passwd); sendto_one_notice(source_p, ":Added X-Line for [%s] [%s]", aconf->host, aconf->passwd);
bandb_add(BANDB_XLINE, source_p, aconf->host, NULL, aconf->passwd, NULL, 0); ilog(L_KLINE, "X %s 0 %s %s", get_oper_name(source_p), name, aconf->passwd); }
rb_dlinkAddAlloc(aconf, &xline_conf_list); check_xlines();}
static voidpropagate_xline(struct Client *source_p, const char *target, int temp_time, const char *name, const char *type, const char *reason){ if(!temp_time) { sendto_match_servs(source_p, target, CAP_CLUSTER, NOCAPS, "XLINE %s %s %s :%s", target, name, type, reason); sendto_match_servs(source_p, target, CAP_ENCAP, CAP_CLUSTER, "ENCAP %s XLINE %d %s 2 :%s", target, temp_time, name, reason); } else sendto_match_servs(source_p, target, CAP_ENCAP, NOCAPS, "ENCAP %s XLINE %d %s %s :%s", target, temp_time, name, type, reason);}
static voidcluster_xline(struct Client *source_p, int temp_time, const char *name, const char *reason){ struct remote_conf *shared_p; rb_dlink_node *ptr;
RB_DLINK_FOREACH(ptr, cluster_conf_list.head) { shared_p = ptr->data;
/* old protocol cant handle temps, and we dont really want * to convert them to perm.. --fl */ if(!temp_time) { if(!(shared_p->flags & SHARED_PXLINE)) continue;
sendto_match_servs(source_p, shared_p->server, CAP_CLUSTER, NOCAPS, "XLINE %s %s 2 :%s", shared_p->server, name, reason); sendto_match_servs(source_p, shared_p->server, CAP_ENCAP, CAP_CLUSTER, "ENCAP %s XLINE 0 %s 2 :%s", shared_p->server, name, reason); } else if(shared_p->flags & SHARED_TXLINE) sendto_match_servs(source_p, shared_p->server, CAP_ENCAP, NOCAPS, "ENCAP %s XLINE %d %s 2 :%s", shared_p->server, temp_time, name, reason); }}
/* mo_unxline() * * parv[1] - thing to unxline */static voidmo_unxline(struct MsgBuf *msgbuf_p, struct Client *client_p, struct Client *source_p, int parc, const char *parv[]){ bool propagated = true;
if(!IsOperXline(source_p)) { sendto_one(source_p, form_str(ERR_NOPRIVS), me.name, source_p->name, "xline"); return; }
if(parc == 4 && !(irccmp(parv[2], "ON"))) { if(!IsOperRemoteBan(source_p)) { sendto_one(source_p, form_str(ERR_NOPRIVS), me.name, source_p->name, "remoteban"); return; }
sendto_realops_snomask(SNO_GENERAL, L_NETWIDE, "%s is removing the X-Line for [%s] on %s.", get_oper_name(source_p), parv[1], parv[3]);
propagate_generic(source_p, "UNXLINE", parv[3], CAP_CLUSTER, "%s", parv[1]);
if(match(parv[3], me.name) == 0) return;
propagated = false; } /* cluster{} moved to remove_xline */
remove_xline(source_p, parv[1], propagated);}
/* ms_unxline() * * handles a remote unxline */static voidms_unxline(struct MsgBuf *msgbuf_p, struct Client *client_p, struct Client *source_p, int parc, const char *parv[]){ /* parv[0] parv[1] parv[2] * oper target server gecos */ propagate_generic(source_p, "UNXLINE", parv[1], CAP_CLUSTER, "%s", parv[2]);
if(!match(parv[1], me.name)) return;
if(!IsPerson(source_p)) return;
handle_remote_unxline(source_p, parv[2]);}
static voidme_unxline(struct MsgBuf *msgbuf_p, struct Client *client_p, struct Client *source_p, int parc, const char *parv[]){ /* name */ if(!IsPerson(source_p)) return;
handle_remote_unxline(source_p, parv[1]);}
static voidhandle_remote_unxline(struct Client *source_p, const char *name){ remove_xline(source_p, name, false);}
static voidremove_xline(struct Client *source_p, const char *name, bool propagated){ struct ConfItem *aconf; rb_dlink_node *ptr; time_t now;
RB_DLINK_FOREACH(ptr, xline_conf_list.head) { aconf = ptr->data;
if(!irccmp(aconf->host, name)) { if(aconf->lifetime) { if(!propagated) { sendto_one_notice(source_p, ":Cannot remove global X-Line %s on specific servers", name); return; } if (!lookup_prop_ban(aconf)) return; sendto_one_notice(source_p, ":X-Line for [%s] is removed", name); sendto_realops_snomask(SNO_GENERAL, L_ALL, "%s has removed the global X-Line for: [%s]", get_oper_name(source_p), name); ilog(L_KLINE, "UX %s %s", get_oper_name(source_p), name); now = rb_current_time(); if(aconf->created < now) aconf->created = now; else aconf->created++; aconf->hold = aconf->created; operhash_delete(aconf->info.oper); aconf->info.oper = operhash_add(get_oper_name(source_p)); aconf->flags |= CONF_FLAGS_MYOPER | CONF_FLAGS_TEMPORARY; sendto_server(NULL, NULL, CAP_BAN|CAP_TS6, NOCAPS, ":%s BAN X * %s %lu %d %d * :*", source_p->id, aconf->host, (unsigned long)aconf->created, 0, (int)(aconf->lifetime - aconf->created)); remove_reject_mask(aconf->host, NULL); deactivate_conf(aconf, now); return; } else if(propagated && rb_dlink_list_length(&cluster_conf_list)) cluster_generic(source_p, "UNXLINE", SHARED_UNXLINE, CAP_CLUSTER, "%s", name); if(!aconf->hold) { bandb_del(BANDB_XLINE, aconf->host, NULL);
sendto_one_notice(source_p, ":X-Line for [%s] is removed", aconf->host); sendto_realops_snomask(SNO_GENERAL, L_ALL, "%s has removed the X-Line for: [%s]", get_oper_name(source_p), aconf->host); ilog(L_KLINE, "UX %s %s", get_oper_name(source_p), aconf->host); } else { sendto_one_notice(source_p, ":X-Line for [%s] is removed", name); sendto_realops_snomask(SNO_GENERAL, L_ALL, "%s has removed the temporary X-Line for: [%s]", get_oper_name(source_p), name); ilog(L_KLINE, "UX %s %s", get_oper_name(source_p), name); }
remove_reject_mask(aconf->host, NULL); free_conf(aconf); rb_dlinkDestroy(ptr, &xline_conf_list); return; } }
if(propagated && rb_dlink_list_length(&cluster_conf_list)) cluster_generic(source_p, "UNXLINE", SHARED_UNXLINE, CAP_CLUSTER, "%s", name);
sendto_one_notice(source_p, ":No X-Line for %s", name);}