--- /dev/null
+/*
+ * IRC - Internet Relay Chat, ircd/client.c
+ * Copyright (C) 1990 Darren Reed
+ *
+ * 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 1, 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+/** @file
+ * @brief Implementation of functions for handling local clients.
+ * @version $Id$
+ */
+#include "config.h"
+
+#include "client.h"
+#include "class.h"
+#include "ircd.h"
+#include "ircd_features.h"
+#include "ircd_log.h"
+#include "ircd_reply.h"
+#include "list.h"
+#include "msgq.h"
+#include "numeric.h"
+#include "s_conf.h"
+#include "s_debug.h"
+#include "send.h"
+#include "struct.h"
+
+/* #include <assert.h> -- Now using assert in ircd_log.h */
+#include <string.h>
+
+/** Find the shortest non-zero ping time attached to a client.
+ * If all attached ping times are zero, return the value for
+ * FEAT_PINGFREQUENCY.
+ * @param[in] acptr Client to find ping time for.
+ * @return Ping time in seconds.
+ */
+int client_get_ping(const struct Client* acptr)
+{
+ int ping = 0;
+ struct ConfItem* aconf;
+ struct SLink* link;
+
+ assert(cli_verify(acptr));
+
+ for (link = cli_confs(acptr); link; link = link->next) {
+ aconf = link->value.aconf;
+ if (aconf->status & (CONF_CLIENT | CONF_SERVER)) {
+ int tmp = get_conf_ping(aconf);
+ if (0 < tmp && (ping > tmp || !ping))
+ ping = tmp;
+ }
+ }
+ if (0 == ping)
+ ping = feature_int(FEAT_PINGFREQUENCY);
+
+ Debug((DEBUG_DEBUG, "Client %s Ping %d", cli_name(acptr), ping));
+
+ return ping;
+}
+
+/** Find the default usermode for a client.
+ * @param[in] sptr Client to find default usermode for.
+ * @return Pointer to usermode string (or NULL, if there is no default).
+ */
+const char* client_get_default_umode(const struct Client* sptr)
+{
+ struct ConfItem* aconf;
+ struct SLink* link;
+
+ assert(cli_verify(sptr));
+
+ for (link = cli_confs(sptr); link; link = link->next) {
+ aconf = link->value.aconf;
+ if ((aconf->status & CONF_CLIENT) && ConfUmode(aconf))
+ return ConfUmode(aconf);
+ }
+ return NULL;
+}
+
+/** Remove a connection from the list of connections with queued data.
+ * @param[in] con Connection with no queued data.
+ */
+void client_drop_sendq(struct Connection* con)
+{
+ if (con_prev_p(con)) { /* on the queued data list... */
+ if (con_next(con))
+ con_prev_p(con_next(con)) = con_prev_p(con);
+ *(con_prev_p(con)) = con_next(con);
+
+ con_next(con) = 0;
+ con_prev_p(con) = 0;
+ }
+}
+
+/** Add a connection to the list of connections with queued data.
+ * @param[in] con Connection with queued data.
+ * @param[in,out] con_p Previous pointer to next connection.
+ */
+void client_add_sendq(struct Connection* con, struct Connection** con_p)
+{
+ if (!con_prev_p(con)) { /* not on the queued data list yet... */
+ con_prev_p(con) = con_p;
+ con_next(con) = *con_p;
+
+ if (*con_p)
+ con_prev_p(*con_p) = &(con_next(con));
+ *con_p = con;
+ }
+}
+
+/** Default privilege set for global operators. */
+static struct Privs privs_global;
+/** Default privilege set for local operators. */
+static struct Privs privs_local;
+/** Non-zero if #privs_global and #privs_local have been initialized. */
+static int privs_defaults_set;
+
+/* client_set_privs(struct Client* client)
+ *
+ * Sets the privileges for opers.
+ */
+/** Set the privileges for a client.
+ * @param[in] client Client who has become an operator.
+ * @param[in] oper Configuration item describing oper's privileges.
+ */
+void
+client_set_privs(struct Client *client, struct ConfItem *oper)
+{
+ struct Privs *source, *defaults;
+ enum Priv priv;
+
+ if (!MyConnect(client))
+ return;
+
+ /* Clear out client's privileges. */
+ memset(cli_privs(client), 0, sizeof(struct Privs));
+
+ if (!IsAnOper(client) || !oper)
+ return;
+
+ if (!privs_defaults_set)
+ {
+ memset(&privs_global, -1, sizeof(privs_global));
+ FlagClr(&privs_global, PRIV_WALK_LCHAN);
+ FlagClr(&privs_global, PRIV_UNLIMIT_QUERY);
+ FlagClr(&privs_global, PRIV_SET);
+ FlagClr(&privs_global, PRIV_BADCHAN);
+ FlagClr(&privs_global, PRIV_LOCAL_BADCHAN);
+ FlagClr(&privs_global, PRIV_APASS_OPMODE);
+
+ memset(&privs_local, 0, sizeof(privs_local));
+ FlagSet(&privs_local, PRIV_CHAN_LIMIT);
+ FlagSet(&privs_local, PRIV_MODE_LCHAN);
+ FlagSet(&privs_local, PRIV_SHOW_INVIS);
+ FlagSet(&privs_local, PRIV_SHOW_ALL_INVIS);
+ FlagSet(&privs_local, PRIV_LOCAL_KILL);
+ FlagSet(&privs_local, PRIV_REHASH);
+ FlagSet(&privs_local, PRIV_LOCAL_GLINE);
+ FlagSet(&privs_local, PRIV_LOCAL_JUPE);
+ FlagSet(&privs_local, PRIV_LOCAL_OPMODE);
+ FlagSet(&privs_local, PRIV_WHOX);
+ FlagSet(&privs_local, PRIV_DISPLAY);
+ FlagSet(&privs_local, PRIV_FORCE_LOCAL_OPMODE);
+
+ privs_defaults_set = 1;
+ }
+
+ /* Decide whether to use global or local oper defaults. */
+ if (FlagHas(&oper->privs_dirty, PRIV_PROPAGATE))
+ defaults = FlagHas(&oper->privs, PRIV_PROPAGATE) ? &privs_global : &privs_local;
+ else if (FlagHas(&oper->conn_class->privs_dirty, PRIV_PROPAGATE))
+ defaults = FlagHas(&oper->conn_class->privs, PRIV_PROPAGATE) ? &privs_global : &privs_local;
+ else {
+ assert(0 && "Oper has no propagation and neither does connection class");
+ return;
+ }
+
+ /* For each feature, figure out whether it comes from the operator
+ * conf, the connection class conf, or the defaults, then apply it.
+ */
+ for (priv = 0; priv < PRIV_LAST_PRIV; ++priv)
+ {
+ /* Figure out most applicable definition for the privilege. */
+ if (FlagHas(&oper->privs_dirty, priv))
+ source = &oper->privs;
+ else if (FlagHas(&oper->conn_class->privs_dirty, priv))
+ source = &oper->conn_class->privs;
+ else
+ source = defaults;
+
+ /* Set it if necessary (privileges were already cleared). */
+ if (FlagHas(source, priv))
+ SetPriv(client, priv);
+ }
+
+ /* This should be handled in the config, but lets be sure... */
+ if (HasPriv(client, PRIV_PROPAGATE))
+ {
+ /* force propagating opers to display */
+ SetPriv(client, PRIV_DISPLAY);
+ }
+ else
+ {
+ /* if they don't propagate oper status, prevent desyncs */
+ ClrPriv(client, PRIV_KILL);
+ ClrPriv(client, PRIV_GLINE);
+ ClrPriv(client, PRIV_JUPE);
+ ClrPriv(client, PRIV_OPMODE);
+ ClrPriv(client, PRIV_BADCHAN);
+ }
+}
+
+/** Array mapping privilege values to names and vice versa. */
+static struct {
+ char *name; /**< Name of privilege. */
+ unsigned int priv; /**< Enumeration value of privilege */
+} privtab[] = {
+/** Helper macro to define an array entry for a privilege. */
+#define P(priv) { #priv, PRIV_ ## priv }
+ P(CHAN_LIMIT), P(MODE_LCHAN), P(WALK_LCHAN), P(DEOP_LCHAN),
+ P(SHOW_INVIS), P(SHOW_ALL_INVIS), P(UNLIMIT_QUERY), P(KILL),
+ P(LOCAL_KILL), P(REHASH), P(RESTART), P(DIE),
+ P(GLINE), P(LOCAL_GLINE), P(JUPE), P(LOCAL_JUPE),
+ P(OPMODE), P(LOCAL_OPMODE), P(SET), P(WHOX),
+ P(BADCHAN), P(LOCAL_BADCHAN), P(SEE_CHAN), P(PROPAGATE),
+ P(DISPLAY), P(SEE_OPERS), P(WIDE_GLINE), P(LIST_CHAN),
+ P(FORCE_OPMODE), P(FORCE_LOCAL_OPMODE), P(APASS_OPMODE),
+#undef P
+ { 0, 0 }
+};
+
+/** Report privileges of \a client to \a to.
+ * @param[in] to Client requesting privilege list.
+ * @param[in] client Client whos privileges should be listed.
+ * @return Zero.
+ */
+int
+client_report_privs(struct Client *to, struct Client *client)
+{
+ struct MsgBuf *mb;
+ int found1 = 0;
+ int i;
+
+ mb = msgq_make(to, rpl_str(RPL_PRIVS), cli_name(&me), cli_name(to),
+ cli_name(client));
+
+ for (i = 0; privtab[i].name; i++)
+ if (HasPriv(client, privtab[i].priv))
+ msgq_append(0, mb, "%s%s", found1++ ? " " : "", privtab[i].name);
+
+ send_buffer(to, mb, 0); /* send response */
+ msgq_clean(mb);
+
+ return 0;
+}
projects / ircu2.10.12-pk.git / blobdiff