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1de7b4b805
Mainly focus on files that use BSD 2-Clause license, however the tool I was using misidentified many licenses so this was mostly a manual - error prone - task. The Software Package Data Exchange (SPDX) group provides a specification to make it easier for automated tools to detect and summarize well known opensource licenses. We are gradually adopting the specification, noting that the tags are considered only advisory and do not, in any way, superceed or replace the license texts. No functional change intended.
135 lines
5.1 KiB
C
135 lines
5.1 KiB
C
/*-
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* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
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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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* $FreeBSD$
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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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