mirror of
https://github.com/matrix-construct/construct
synced 2024-08-25 19:12:08 +02:00
162 lines
3.8 KiB
C
162 lines
3.8 KiB
C
/*
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* authd.c: An interface to authd.
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* (based somewhat on ircd-ratbox dns.c)
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*
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* Copyright (C) 2005 Aaron Sethman <androsyn@ratbox.org>
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* Copyright (C) 2005-2012 ircd-ratbox development team
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* Copyright (C) 2016 William Pitcock <nenolod@dereferenced.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301
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* USA
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*/
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#include <stdinc.h>
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#include <ratbox_lib.h>
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#include <struct.h>
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#include <ircd_defs.h>
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#include <parse.h>
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#include <authd.h>
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#include <match.h>
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#include <logger.h>
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#include <s_conf.h>
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#include <client.h>
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#include <send.h>
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#include <numeric.h>
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#include <msg.h>
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#include <dns.h>
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static int start_authd(void);
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static void parse_authd_reply(rb_helper * helper);
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static void restart_authd_cb(rb_helper * helper);
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rb_helper *authd_helper;
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static char *authd_path;
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static int
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start_authd(void)
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{
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char fullpath[PATH_MAX + 1];
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#ifdef _WIN32
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const char *suffix = ".exe";
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#else
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const char *suffix = "";
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#endif
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if(authd_path == NULL)
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{
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snprintf(fullpath, sizeof(fullpath), "%s/authd%s", PKGLIBEXECDIR, suffix);
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if(access(fullpath, X_OK) == -1)
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{
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snprintf(fullpath, sizeof(fullpath), "%s/libexec/charybdis/authd%s",
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ConfigFileEntry.dpath, suffix);
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if(access(fullpath, X_OK) == -1)
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{
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ilog(L_MAIN,
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"Unable to execute authd in %s or %s/libexec/charybdis",
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PKGLIBEXECDIR, ConfigFileEntry.dpath);
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sendto_realops_snomask(SNO_GENERAL, L_ALL,
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"Unable to execute resolver in %s or %s/libexec/charybdis",
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PKGLIBEXECDIR, ConfigFileEntry.dpath);
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return 1;
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}
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}
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authd_path = rb_strdup(fullpath);
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}
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authd_helper = rb_helper_start("authd", authd_path, parse_authd_reply, restart_authd_cb);
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if(authd_helper == NULL)
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{
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ilog(L_MAIN, "Unable to start authd helper: %s", strerror(errno));
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sendto_realops_snomask(SNO_GENERAL, L_ALL, "Unable to start authd helper: %s", strerror(errno));
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return 1;
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}
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ilog(L_MAIN, "authd helper started");
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sendto_realops_snomask(SNO_GENERAL, L_ALL, "authd helper started");
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rb_helper_run(authd_helper);
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return 0;
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}
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static void
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parse_authd_reply(rb_helper * helper)
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{
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ssize_t len;
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int parc;
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char dnsBuf[READBUF_SIZE];
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char *parv[MAXPARA + 1];
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while((len = rb_helper_read(helper, dnsBuf, sizeof(dnsBuf))) > 0)
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{
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parc = rb_string_to_array(dnsBuf, parv, MAXPARA+1);
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if(*parv[0] == 'R')
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{
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if(parc != 5)
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{
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ilog(L_MAIN, "authd sent a result with wrong number of arguments: got %d", parc);
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restart_authd();
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return;
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}
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dns_results_callback(parv[1], parv[2], parv[3], parv[4]);
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}
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else
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return;
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}
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}
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void
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init_authd(void)
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{
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if(start_authd())
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{
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ilog(L_MAIN, "Unable to start authd helper: %s", strerror(errno));
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exit(0);
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}
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}
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static void
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restart_authd_cb(rb_helper * helper)
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{
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ilog(L_MAIN, "authd: restart_authd_cb called, authd died?");
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sendto_realops_snomask(SNO_GENERAL, L_ALL, "authd - restart_authd_cb called, authd died?");
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if(helper != NULL)
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{
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rb_helper_close(helper);
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authd_helper = NULL;
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}
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start_authd();
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}
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void
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restart_authd(void)
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{
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restart_authd_cb(authd_helper);
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}
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void
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rehash_authd(void)
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{
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rb_helper_write(authd_helper, "R");
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}
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void
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check_authd(void)
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{
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if(authd_helper == NULL)
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restart_authd();
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}
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