1 /* $OpenBSD: npppd_local.h,v 1.18 2024/02/26 08:29:37 yasuoka Exp $ */ 2 3 /*- 4 * Copyright (c) 2009 Internet Initiative Japan Inc. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 #ifndef _NPPPD_LOCAL_H 29 #define _NPPPD_LOCAL_H 1 30 31 #ifndef NPPPD_BUFSZ 32 /** buffer size */ 33 #define NPPPD_BUFSZ BUFSZ 34 #endif 35 36 #include <net/if.h> 37 38 #include "npppd_defs.h" 39 40 #include "slist.h" 41 #include "hash.h" 42 #include "debugutil.h" 43 44 #ifdef USE_NPPPD_RADIUS 45 #include "radius_req.h" 46 #endif 47 48 #ifdef USE_NPPPD_L2TP 49 #include "bytebuf.h" 50 #include "l2tp.h" 51 #endif 52 53 #ifdef USE_NPPPD_PPTP 54 #include "bytebuf.h" 55 #include "pptp.h" 56 #endif 57 #ifdef USE_NPPPD_PPPOE 58 #if defined(__NetBSD__) 59 #include <net/if_ether.h> 60 #else 61 #include <netinet/if_ether.h> 62 #endif 63 #include "bytebuf.h" 64 #include "pppoe.h" 65 #endif 66 #include "npppd_auth.h" 67 #include "npppd.h" 68 #include "npppd_iface.h" 69 70 #include "privsep.h" 71 72 #include "addr_range.h" 73 #include "npppd_pool.h" 74 #include "npppd_ctl.h" 75 76 /** structure of pool */ 77 struct _npppd_pool { 78 /** base of npppd structure */ 79 npppd *npppd; 80 /** ipcp name */ 81 char ipcp_name[NPPPD_GENERIC_NAME_LEN]; 82 /** size of sockaddr_npppd array */ 83 int addrs_size; 84 /** pointer indicated to sockaddr_npppd array */ 85 struct sockaddr_npppd *addrs; 86 /** list of addresses dynamically allocated */ 87 slist dyna_addrs; 88 unsigned int /** whether initialized or not */ 89 initialized:1, 90 /** whether in use or not */ 91 running:1; 92 }; 93 94 /** structure for control socket. (control.c) */ 95 struct control_sock { 96 const char *cs_name; 97 struct event cs_ev; 98 struct event cs_evt; 99 int cs_fd; 100 int cs_restricted; 101 void *cs_ctx; 102 }; 103 104 /** 105 * npppd 106 */ 107 struct _npppd { 108 /** event handler */ 109 struct event ev_sigterm, ev_sigint, ev_sighup, ev_sigchld, ev_timer; 110 111 /** interface which concentrates PPP */ 112 npppd_iface iface[NPPPD_MAX_IFACE]; 113 114 npppd_pool *iface_pool[NPPPD_MAX_IFACE]; 115 116 /** address pool */ 117 npppd_pool pool[NPPPD_MAX_POOL]; 118 119 /** radish pool which uses to manage allocated address */ 120 struct radish_head *rd; 121 122 /** map of username to slist of npppd_ppp */ 123 hash_table *map_user_ppp; 124 125 /** authentication realms */ 126 slist realms; 127 128 /** interval time(in seconds) which finalizes authentication realms */ 129 int auth_finalizer_itvl; 130 131 /** name of configuration file */ 132 char config_file[PATH_MAX]; 133 134 /** name of pid file */ 135 char pidpath[PATH_MAX]; 136 137 /** process id */ 138 pid_t pid; 139 140 /** boot identifier */ 141 uint32_t boot_id; 142 143 #ifdef USE_NPPPD_L2TP 144 /** structure of L2TP daemon */ 145 l2tpd l2tpd; 146 #endif 147 #ifdef USE_NPPPD_PPTP 148 /** structure of PPTP daemon */ 149 pptpd pptpd; 150 #endif 151 #ifdef USE_NPPPD_PPPOE 152 /** structure of PPPOE daemon */ 153 pppoed pppoed; 154 #endif 155 /** configuration file */ 156 struct npppd_conf conf; 157 158 /** the time in seconds which process was started.*/ 159 uint32_t secs; 160 161 /** delay time in seconds reload configuration */ 162 int16_t delayed_reload; 163 /** counter of reload configuration */ 164 int16_t reloading_count; 165 166 int nsession; 167 168 struct ipcpstat_head ipcpstats; 169 170 struct control_sock ctl_sock; 171 172 u_int /** whether finalizing or not */ 173 finalizing:1, 174 /** whether finalize completed or not */ 175 finalized:1, 176 /** npppd stopped itself because of an error. */ 177 stop_by_error:1; 178 }; 179 180 #define ppp_iface(ppp) (&(ppp)->pppd->iface[(ppp)->ifidx]) 181 #define ppp_ipcp(ppp) ((ppp)->pppd->iface[(ppp)->ifidx].ipcpconf) 182 #define ppp_pool(ppp) ((ppp)->pppd->iface_pool[(ppp)->ifidx]) 183 184 #define SIN(sa) ((struct sockaddr_in *)(sa)) 185 186 #define TIMER_TICK_RUP(interval) \ 187 ((((interval) % NPPPD_TIMER_TICK_IVAL) == 0) \ 188 ? (interval) \ 189 : (interval) + NPPPD_TIMER_TICK_IVAL \ 190 - ((interval) % NPPPD_TIMER_TICK_IVAL)) 191 192 #endif 193