5e3b2d6847
once. If they repeat the request (again without the IPADDR option) ACK it. I've had reports that some ppp implementations will not assign themselves an IP number. This should negotiate with such things. MFC after: 3 days
178 lines
6.7 KiB
C
178 lines
6.7 KiB
C
/*-
|
|
* Copyright (c) 1996 - 2001 Brian Somers <brian@Awfulhak.org>
|
|
* based on work by Toshiharu OHNO <tony-o@iij.ad.jp>
|
|
* Internet Initiative Japan, Inc (IIJ)
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*
|
|
* $FreeBSD$
|
|
*/
|
|
|
|
#define IPCP_MAXCODE CODE_CODEREJ
|
|
|
|
#define TY_IPADDRS 1
|
|
#define TY_COMPPROTO 2
|
|
#define TY_IPADDR 3
|
|
|
|
/* Domain NameServer and NetBIOS NameServer options */
|
|
|
|
#define TY_PRIMARY_DNS 129
|
|
#define TY_PRIMARY_NBNS 130
|
|
#define TY_SECONDARY_DNS 131
|
|
#define TY_SECONDARY_NBNS 132
|
|
#define TY_ADJUST_NS 119 /* subtract from NS val for REJECT bit */
|
|
|
|
struct sticky_route;
|
|
|
|
struct in_range {
|
|
struct in_addr ipaddr;
|
|
struct in_addr mask;
|
|
int width;
|
|
};
|
|
|
|
struct port_range {
|
|
unsigned nports; /* How many ports */
|
|
unsigned maxports; /* How many allocated (malloc) ports */
|
|
u_short *port; /* The actual ports */
|
|
};
|
|
|
|
struct ipcp {
|
|
struct fsm fsm; /* The finite state machine */
|
|
|
|
struct {
|
|
struct {
|
|
int slots; /* Maximum VJ slots */
|
|
unsigned slotcomp : 1; /* Slot compression */
|
|
unsigned neg : 2; /* VJ negotiation */
|
|
} vj;
|
|
|
|
struct in_range my_range; /* MYADDR spec */
|
|
struct in_addr netmask; /* Iface netmask (unused by most OSs) */
|
|
struct in_range peer_range; /* HISADDR spec */
|
|
struct iplist peer_list; /* Ranges of HISADDR values */
|
|
|
|
u_long sendpipe; /* route sendpipe size */
|
|
u_long recvpipe; /* route recvpipe size */
|
|
|
|
struct in_addr TriggerAddress; /* Address to suggest in REQ */
|
|
unsigned HaveTriggerAddress : 1; /* Trigger address specified */
|
|
|
|
struct {
|
|
struct in_addr dns[2]; /* DNS addresses offered */
|
|
unsigned dns_neg : 2; /* dns negotiation */
|
|
struct in_addr nbns[2]; /* NetBIOS NS addresses offered */
|
|
} ns;
|
|
|
|
struct {
|
|
struct port_range tcp, udp; /* The range of urgent ports */
|
|
unsigned tos : 1; /* Urgent IPTOS_LOWDELAY packets ? */
|
|
} urgent;
|
|
|
|
struct fsm_retry fsm; /* How often/frequently to resend requests */
|
|
} cfg;
|
|
|
|
struct {
|
|
struct slcompress cslc; /* VJ state */
|
|
struct slstat slstat; /* VJ statistics */
|
|
} vj;
|
|
|
|
struct {
|
|
unsigned resolver : 1; /* Found resolv.conf ? */
|
|
unsigned writable : 1; /* Can write resolv.conf ? */
|
|
struct in_addr dns[2]; /* Current DNS addresses */
|
|
char *resolv; /* Contents of resolv.conf */
|
|
char *resolv_nons; /* Contents of resolv.conf without ns */
|
|
} ns;
|
|
|
|
struct sticky_route *route; /* List of dynamic routes */
|
|
|
|
unsigned heis1172 : 1; /* True if he is speaking rfc1172 */
|
|
|
|
unsigned peer_req : 1; /* Any TY_IPADDR REQs from the peer ? */
|
|
struct in_addr peer_ip; /* IP address he's willing to use */
|
|
u_int32_t peer_compproto; /* VJ params he's willing to use */
|
|
|
|
struct in_addr ifmask; /* Interface netmask */
|
|
|
|
struct in_addr my_ip; /* IP address I'm willing to use */
|
|
u_int32_t my_compproto; /* VJ params I'm willing to use */
|
|
|
|
struct in_addr dns[2]; /* DNSs to REQ/ACK */
|
|
|
|
u_int32_t peer_reject; /* Request codes rejected by peer */
|
|
u_int32_t my_reject; /* Request codes I have rejected */
|
|
|
|
struct pppThroughput throughput; /* throughput statistics */
|
|
struct mqueue Queue[3]; /* Output packet queues */
|
|
};
|
|
|
|
#define fsm2ipcp(fp) (fp->proto == PROTO_IPCP ? (struct ipcp *)fp : NULL)
|
|
#define IPCP_QUEUES(ipcp) (sizeof ipcp->Queue / sizeof ipcp->Queue[0])
|
|
|
|
struct bundle;
|
|
struct link;
|
|
struct cmdargs;
|
|
|
|
extern void ipcp_Init(struct ipcp *, struct bundle *, struct link *,
|
|
const struct fsm_parent *);
|
|
extern void ipcp_Destroy(struct ipcp *);
|
|
extern void ipcp_Setup(struct ipcp *, u_int32_t);
|
|
extern void ipcp_SetLink(struct ipcp *, struct link *);
|
|
|
|
extern int ipcp_Show(struct cmdargs const *);
|
|
extern struct mbuf *ipcp_Input(struct bundle *, struct link *, struct mbuf *);
|
|
extern void ipcp_AddInOctets(struct ipcp *, int);
|
|
extern void ipcp_AddOutOctets(struct ipcp *, int);
|
|
extern int ipcp_UseHisIPaddr(struct bundle *, struct in_addr);
|
|
extern int ipcp_UseHisaddr(struct bundle *, const char *, int);
|
|
extern int ipcp_vjset(struct cmdargs const *);
|
|
extern void ipcp_CleanInterface(struct ipcp *);
|
|
extern int ipcp_InterfaceUp(struct ipcp *);
|
|
extern int ipcp_IsUrgentPort(struct port_range *, u_short, u_short);
|
|
extern void ipcp_AddUrgentPort(struct port_range *, u_short);
|
|
extern void ipcp_RemoveUrgentPort(struct port_range *, u_short);
|
|
extern void ipcp_ClearUrgentPorts(struct port_range *);
|
|
extern struct in_addr addr2mask(struct in_addr);
|
|
extern int ipcp_WriteDNS(struct ipcp *);
|
|
extern void ipcp_RestoreDNS(struct ipcp *);
|
|
extern void ipcp_LoadDNS(struct ipcp *);
|
|
|
|
#define ipcp_IsUrgentTcpPort(ipcp, p1, p2) \
|
|
ipcp_IsUrgentPort(&(ipcp)->cfg.urgent.tcp, p1, p2)
|
|
#define ipcp_IsUrgentUdpPort(ipcp, p1, p2) \
|
|
ipcp_IsUrgentPort(&(ipcp)->cfg.urgent.udp, p1, p2)
|
|
#define ipcp_AddUrgentTcpPort(ipcp, p) \
|
|
ipcp_AddUrgentPort(&(ipcp)->cfg.urgent.tcp, p)
|
|
#define ipcp_AddUrgentUdpPort(ipcp, p) \
|
|
ipcp_AddUrgentPort(&(ipcp)->cfg.urgent.udp, p)
|
|
#define ipcp_RemoveUrgentTcpPort(ipcp, p) \
|
|
ipcp_RemoveUrgentPort(&(ipcp)->cfg.urgent.tcp, p)
|
|
#define ipcp_RemoveUrgentUdpPort(ipcp, p) \
|
|
ipcp_RemoveUrgentPort(&(ipcp)->cfg.urgent.udp, p)
|
|
#define ipcp_ClearUrgentTcpPorts(ipcp) \
|
|
ipcp_ClearUrgentPorts(&(ipcp)->cfg.urgent.tcp)
|
|
#define ipcp_ClearUrgentUdpPorts(ipcp) \
|
|
ipcp_ClearUrgentPorts(&(ipcp)->cfg.urgent.udp)
|
|
#define ipcp_ClearUrgentTOS(ipcp) (ipcp)->cfg.urgent.tos = 0;
|
|
#define ipcp_SetUrgentTOS(ipcp) (ipcp)->cfg.urgent.tos = 1;
|