1 /* 2 * Written by Toshiharu OHNO (tony-o@iij.ad.jp) 3 * 4 * Copyright (C) 1993, Internet Initiative Japan, Inc. All rights reserverd. 5 * 6 * Redistribution and use in source and binary forms are permitted 7 * provided that the above copyright notice and this paragraph are 8 * duplicated in all such forms and that any documentation, 9 * advertising materials, and other materials related to such 10 * distribution and use acknowledge that the software was developed 11 * by the Internet Initiative Japan. The name of the 12 * IIJ may not be used to endorse or promote products derived 13 * from this software without specific prior written permission. 14 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR 15 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED 16 * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. 17 * 18 * $FreeBSD$ 19 * 20 * TODO: 21 */ 22 23 #define IPCP_MAXCODE CODE_CODEREJ 24 25 #define TY_IPADDRS 1 26 #define TY_COMPPROTO 2 27 #define TY_IPADDR 3 28 29 /* Domain NameServer and NetBIOS NameServer options */ 30 31 #define TY_PRIMARY_DNS 129 32 #define TY_PRIMARY_NBNS 130 33 #define TY_SECONDARY_DNS 131 34 #define TY_SECONDARY_NBNS 132 35 #define TY_ADJUST_NS 119 /* subtract from NS val for REJECT bit */ 36 37 struct sticky_route; 38 39 struct in_range { 40 struct in_addr ipaddr; 41 struct in_addr mask; 42 int width; 43 }; 44 45 struct port_range { 46 unsigned nports; /* How many ports */ 47 unsigned maxports; /* How many allocated (malloc) ports */ 48 u_short *port; /* The actual ports */ 49 }; 50 51 struct ipcp { 52 struct fsm fsm; /* The finite state machine */ 53 54 struct { 55 struct { 56 int slots; /* Maximum VJ slots */ 57 unsigned slotcomp : 1; /* Slot compression */ 58 unsigned neg : 2; /* VJ negotiation */ 59 } vj; 60 61 struct in_range my_range; /* MYADDR spec */ 62 struct in_addr netmask; /* Iface netmask (unused by most OSs) */ 63 struct in_range peer_range; /* HISADDR spec */ 64 struct iplist peer_list; /* Ranges of HISADDR values */ 65 66 u_long sendpipe; /* route sendpipe size */ 67 u_long recvpipe; /* route recvpipe size */ 68 69 struct in_addr TriggerAddress; /* Address to suggest in REQ */ 70 unsigned HaveTriggerAddress : 1; /* Trigger address specified */ 71 72 struct { 73 struct in_addr dns[2]; /* DNS addresses offered */ 74 unsigned dns_neg : 2; /* dns negotiation */ 75 struct in_addr nbns[2]; /* NetBIOS NS addresses offered */ 76 } ns; 77 78 struct { 79 struct port_range tcp, udp; /* The range of urgent ports */ 80 unsigned tos : 1; /* Urgent IPTOS_LOWDELAY packets ? */ 81 } urgent; 82 83 struct fsm_retry fsm; /* How often/frequently to resend requests */ 84 } cfg; 85 86 struct { 87 struct slcompress cslc; /* VJ state */ 88 struct slstat slstat; /* VJ statistics */ 89 } vj; 90 91 struct { 92 unsigned resolver : 1; /* Found resolv.conf ? */ 93 unsigned writable : 1; /* Can write resolv.conf ? */ 94 struct in_addr dns[2]; /* Current DNS addresses */ 95 char *resolv; /* Contents of resolv.conf */ 96 char *resolv_nons; /* Contents of resolv.conf without ns */ 97 } ns; 98 99 struct sticky_route *route; /* List of dynamic routes */ 100 101 unsigned heis1172 : 1; /* True if he is speaking rfc1172 */ 102 103 struct in_addr peer_ip; /* IP address he's willing to use */ 104 u_int32_t peer_compproto; /* VJ params he's willing to use */ 105 106 struct in_addr ifmask; /* Interface netmask */ 107 108 struct in_addr my_ip; /* IP address I'm willing to use */ 109 u_int32_t my_compproto; /* VJ params I'm willing to use */ 110 111 struct in_addr dns[2]; /* DNSs to REQ/ACK */ 112 113 u_int32_t peer_reject; /* Request codes rejected by peer */ 114 u_int32_t my_reject; /* Request codes I have rejected */ 115 116 struct pppThroughput throughput; /* throughput statistics */ 117 struct mqueue Queue[3]; /* Output packet queues */ 118 }; 119 120 #define fsm2ipcp(fp) (fp->proto == PROTO_IPCP ? (struct ipcp *)fp : NULL) 121 #define IPCP_QUEUES(ipcp) (sizeof ipcp->Queue / sizeof ipcp->Queue[0]) 122 123 struct bundle; 124 struct link; 125 struct cmdargs; 126 127 extern void ipcp_Init(struct ipcp *, struct bundle *, struct link *, 128 const struct fsm_parent *); 129 extern void ipcp_Destroy(struct ipcp *); 130 extern void ipcp_Setup(struct ipcp *, u_int32_t); 131 extern void ipcp_SetLink(struct ipcp *, struct link *); 132 133 extern int ipcp_Show(struct cmdargs const *); 134 extern struct mbuf *ipcp_Input(struct bundle *, struct link *, struct mbuf *); 135 extern void ipcp_AddInOctets(struct ipcp *, int); 136 extern void ipcp_AddOutOctets(struct ipcp *, int); 137 extern int ipcp_UseHisIPaddr(struct bundle *, struct in_addr); 138 extern int ipcp_UseHisaddr(struct bundle *, const char *, int); 139 extern int ipcp_vjset(struct cmdargs const *); 140 extern void ipcp_CleanInterface(struct ipcp *); 141 extern int ipcp_InterfaceUp(struct ipcp *); 142 extern int ipcp_IsUrgentPort(struct port_range *, u_short, u_short); 143 extern void ipcp_AddUrgentPort(struct port_range *, u_short); 144 extern void ipcp_RemoveUrgentPort(struct port_range *, u_short); 145 extern void ipcp_ClearUrgentPorts(struct port_range *); 146 extern struct in_addr addr2mask(struct in_addr); 147 extern int ipcp_WriteDNS(struct ipcp *); 148 extern void ipcp_RestoreDNS(struct ipcp *); 149 extern void ipcp_LoadDNS(struct ipcp *); 150 151 #define ipcp_IsUrgentTcpPort(ipcp, p1, p2) \ 152 ipcp_IsUrgentPort(&(ipcp)->cfg.urgent.tcp, p1, p2) 153 #define ipcp_IsUrgentUdpPort(ipcp, p1, p2) \ 154 ipcp_IsUrgentPort(&(ipcp)->cfg.urgent.udp, p1, p2) 155 #define ipcp_AddUrgentTcpPort(ipcp, p) \ 156 ipcp_AddUrgentPort(&(ipcp)->cfg.urgent.tcp, p) 157 #define ipcp_AddUrgentUdpPort(ipcp, p) \ 158 ipcp_AddUrgentPort(&(ipcp)->cfg.urgent.udp, p) 159 #define ipcp_RemoveUrgentTcpPort(ipcp, p) \ 160 ipcp_RemoveUrgentPort(&(ipcp)->cfg.urgent.tcp, p) 161 #define ipcp_RemoveUrgentUdpPort(ipcp, p) \ 162 ipcp_RemoveUrgentPort(&(ipcp)->cfg.urgent.udp, p) 163 #define ipcp_ClearUrgentTcpPorts(ipcp) \ 164 ipcp_ClearUrgentPorts(&(ipcp)->cfg.urgent.tcp) 165 #define ipcp_ClearUrgentUdpPorts(ipcp) \ 166 ipcp_ClearUrgentPorts(&(ipcp)->cfg.urgent.udp) 167 #define ipcp_ClearUrgentTOS(ipcp) (ipcp)->cfg.urgent.tos = 0; 168 #define ipcp_SetUrgentTOS(ipcp) (ipcp)->cfg.urgent.tos = 1; 169