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133 lines
5.1 KiB
C
133 lines
5.1 KiB
C
/*-
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* SPDX-License-Identifier: BSD-2-Clause
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*
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* Copyright (c) 1996 - 2001 Brian Somers <brian@Awfulhak.org>
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* based on work by Toshiharu OHNO <tony-o@iij.ad.jp>
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* Internet Initiative Japan, Inc (IIJ)
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#define IPCP_MAXCODE CODE_CODEREJ
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#define TY_IPADDRS 1
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#define TY_COMPPROTO 2
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#define TY_IPADDR 3
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/* Domain NameServer and NetBIOS NameServer options */
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#define TY_PRIMARY_DNS 129
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#define TY_PRIMARY_NBNS 130
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#define TY_SECONDARY_DNS 131
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#define TY_SECONDARY_NBNS 132
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#define TY_ADJUST_NS 119 /* subtract from NS val for REJECT bit */
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struct ipcp {
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struct fsm fsm; /* The finite state machine */
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struct {
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struct {
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int slots; /* Maximum VJ slots */
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unsigned slotcomp : 1; /* Slot compression */
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unsigned neg : 2; /* VJ negotiation */
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} vj;
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struct ncprange my_range; /* MYADDR spec */
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struct in_addr netmask; /* Iface netmask (unused by most OSs) */
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struct ncprange peer_range; /* HISADDR spec */
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struct iplist peer_list; /* Ranges of HISADDR values */
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struct in_addr TriggerAddress; /* Address to suggest in REQ */
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unsigned HaveTriggerAddress : 1; /* Trigger address specified */
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struct {
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struct in_addr dns[2]; /* DNS addresses offered */
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unsigned dns_neg : 2; /* dns negotiation */
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struct in_addr nbns[2]; /* NetBIOS NS addresses offered */
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} ns;
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struct fsm_retry fsm; /* frequency to resend requests */
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} cfg;
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struct {
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struct slcompress cslc; /* VJ state */
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struct slstat slstat; /* VJ statistics */
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} vj;
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struct {
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unsigned resolver : 1; /* Found resolv.conf ? */
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unsigned writable : 1; /* Can write resolv.conf ? */
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struct in_addr dns[2]; /* Current DNS addresses */
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char *resolv; /* Contents of resolv.conf */
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char *resolv_nons; /* Contents of resolv.conf without ns */
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} ns;
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unsigned heis1172 : 1; /* True if he is speaking rfc1172 */
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unsigned peer_req : 1; /* Any TY_IPADDR REQs from the peer ? */
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struct in_addr peer_ip; /* IP address he's willing to use */
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u_int32_t peer_compproto; /* VJ params he's willing to use */
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struct in_addr ifmask; /* Interface netmask */
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struct in_addr my_ip; /* IP address I'm willing to use */
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u_int32_t my_compproto; /* VJ params I'm willing to use */
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u_int32_t peer_reject; /* Request codes rejected by peer */
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u_int32_t my_reject; /* Request codes I have rejected */
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struct pppThroughput throughput; /* throughput statistics */
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struct mqueue Queue[3]; /* Output packet queues */
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};
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#define fsm2ipcp(fp) (fp->proto == PROTO_IPCP ? (struct ipcp *)fp : NULL)
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#define IPCP_QUEUES(ipcp) (sizeof ipcp->Queue / sizeof ipcp->Queue[0])
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struct bundle;
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struct link;
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struct cmdargs;
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struct iface_addr;
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extern void ipcp_Init(struct ipcp *, struct bundle *, struct link *,
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const struct fsm_parent *);
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extern void ipcp_Destroy(struct ipcp *);
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extern void ipcp_Setup(struct ipcp *, u_int32_t);
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extern void ipcp_SetLink(struct ipcp *, struct link *);
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extern int ipcp_Show(struct cmdargs const *);
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extern struct mbuf *ipcp_Input(struct bundle *, struct link *, struct mbuf *);
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extern void ipcp_AddInOctets(struct ipcp *, int);
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extern void ipcp_AddOutOctets(struct ipcp *, int);
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extern int ipcp_UseHisIPaddr(struct bundle *, struct in_addr);
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extern int ipcp_UseHisaddr(struct bundle *, const char *, int);
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extern int ipcp_vjset(struct cmdargs const *);
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extern void ipcp_IfaceAddrAdded(struct ipcp *, const struct iface_addr *);
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extern void ipcp_IfaceAddrDeleted(struct ipcp *, const struct iface_addr *);
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extern int ipcp_InterfaceUp(struct ipcp *);
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extern struct in_addr addr2mask(struct in_addr);
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extern int ipcp_WriteDNS(struct ipcp *);
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extern void ipcp_RestoreDNS(struct ipcp *);
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extern void ipcp_LoadDNS(struct ipcp *);
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extern size_t ipcp_QueueLen(struct ipcp *);
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extern int ipcp_PushPacket(struct ipcp *, struct link *);
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