mirror of
https://github.com/lwip-tcpip/lwip.git
synced 2024-10-05 22:29:49 +00:00
PPP, IPCP, fully removed VJ support from IPCP if VJ_SUPPORT is disabled
This commit is contained in:
parent
d50494f274
commit
dbacfe0a1d
@ -52,7 +52,9 @@
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* Options.
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*/
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#define CI_ADDRS 1 /* IP Addresses */
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#if VJ_SUPPORT
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#define CI_COMPRESSTYPE 2 /* Compression Type */
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#endif /* VJ_SUPPORT */
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#define CI_ADDR 3
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#define CI_MS_DNS1 129 /* Primary DNS value */
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@ -60,6 +62,7 @@
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#define CI_MS_DNS2 131 /* Secondary DNS value */
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#define CI_MS_WINS2 132 /* Secondary WINS value */
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#if VJ_SUPPORT
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#define MAX_STATES 16 /* from slcompress.h */
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#define IPCP_VJMODE_OLD 1 /* "old" mode (option # = 0x0037) */
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@ -70,6 +73,7 @@
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#define IPCP_VJ_COMP 0x002d /* current value for VJ compression option*/
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#define IPCP_VJ_COMP_OLD 0x0037 /* "old" (i.e, broken) value for VJ */
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/* compression option*/
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#endif /* VJ_SUPPORT */
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typedef struct ipcp_options {
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unsigned int neg_addr :1; /* Negotiate IP Address? */
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@ -80,21 +84,27 @@ typedef struct ipcp_options {
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unsigned int replace_default_route :1; /* Replace default route through interface? */
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#endif /* UNUSED */
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unsigned int proxy_arp :1; /* Make proxy ARP entry for peer? */
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#if VJ_SUPPORT
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unsigned int neg_vj :1; /* Van Jacobson Compression? */
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unsigned int old_vj :1; /* use old (short) form of VJ option? */
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unsigned int cflag :1;
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#else
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unsigned int :3; /* 3 bits of padding */
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#endif /* VJ_SUPPORT */
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unsigned int accept_local :1; /* accept peer's value for ouraddr */
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unsigned int accept_remote :1; /* accept peer's value for hisaddr */
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unsigned int req_dns1 :1; /* Ask peer to send primary DNS address? */
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unsigned int req_dns2 :1; /* Ask peer to send secondary DNS address? */
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unsigned int cflag :1;
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unsigned int :5; /* 3 bits of padding to round out to 16 bits */
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u32_t ouraddr, hisaddr; /* Addresses in NETWORK BYTE ORDER */
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u32_t dnsaddr[2]; /* Primary and secondary MS DNS entries */
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u32_t winsaddr[2]; /* Primary and secondary MS WINS entries */
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#if VJ_SUPPORT
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u16_t vj_protocol; /* protocol value to use in VJ option */
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u8_t maxslotindex; /* values for RFC1332 VJ compression neg. */
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#endif /* VJ_SUPPORT */
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} ipcp_options;
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#if 0 /* UNUSED, already defined by lwIP */
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@ -615,24 +615,28 @@ static void ipcp_init(ppp_pcb *pcb) {
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memset(ao, 0, sizeof(*ao));
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wo->neg_addr = wo->old_addrs = 1;
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#if VJ_SUPPORT
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wo->neg_vj = 1;
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wo->vj_protocol = IPCP_VJ_COMP;
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wo->maxslotindex = MAX_STATES - 1; /* really max index */
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wo->cflag = 1;
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#endif /* VJ_SUPPORT */
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#if 0 /* UNUSED */
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/* wanting default route by default */
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wo->default_route = 1;
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#endif /* UNUSED */
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ao->neg_addr = ao->old_addrs = 1;
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#if VJ_SUPPORT
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/* max slots and slot-id compression are currently hardwired in */
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/* ppp_if.c to 16 and 1, this needs to be changed (among other */
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/* things) gmc */
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ao->neg_addr = ao->old_addrs = 1;
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ao->neg_vj = 1;
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ao->maxslotindex = MAX_STATES - 1;
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ao->cflag = 1;
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#endif /* #if VJ_SUPPORT */
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#if 0 /* UNUSED */
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/*
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@ -748,11 +752,15 @@ static void ipcp_resetci(fsm *f) {
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static int ipcp_cilen(fsm *f) {
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ppp_pcb *pcb = f->pcb;
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ipcp_options *go = &pcb->ipcp_gotoptions;
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#if VJ_SUPPORT
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ipcp_options *wo = &pcb->ipcp_wantoptions;
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#endif /* VJ_SUPPORT */
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ipcp_options *ho = &pcb->ipcp_hisoptions;
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#define LENCIADDRS(neg) (neg ? CILEN_ADDRS : 0)
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#if VJ_SUPPORT
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#define LENCIVJ(neg, old) (neg ? (old? CILEN_COMPRESS : CILEN_VJ) : 0)
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#endif /* VJ_SUPPORT */
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#define LENCIADDR(neg) (neg ? CILEN_ADDR : 0)
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#define LENCIDNS(neg) LENCIADDR(neg)
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#define LENCIWINS(neg) LENCIADDR(neg)
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@ -763,6 +771,8 @@ static int ipcp_cilen(fsm *f) {
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*/
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if (go->neg_addr && go->old_addrs && !ho->neg_addr && ho->old_addrs)
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go->neg_addr = 0;
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#if VJ_SUPPORT
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if (wo->neg_vj && !go->neg_vj && !go->old_vj) {
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/* try an older style of VJ negotiation */
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/* use the old style only if the peer did */
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@ -772,9 +782,12 @@ static int ipcp_cilen(fsm *f) {
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go->vj_protocol = ho->vj_protocol;
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}
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}
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#endif /* VJ_SUPPORT */
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return (LENCIADDRS(!go->neg_addr && go->old_addrs) +
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#if VJ_SUPPORT
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LENCIVJ(go->neg_vj, go->old_vj) +
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#endif /* VJ_SUPPORT */
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LENCIADDR(go->neg_addr) +
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LENCIDNS(go->req_dns1) +
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LENCIDNS(go->req_dns2) +
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@ -807,6 +820,7 @@ static void ipcp_addci(fsm *f, u_char *ucp, int *lenp) {
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go->old_addrs = 0; \
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}
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#if VJ_SUPPORT
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#define ADDCIVJ(opt, neg, val, old, maxslotindex, cflag) \
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if (neg) { \
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int vjlen = old? CILEN_COMPRESS : CILEN_VJ; \
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@ -822,6 +836,7 @@ static void ipcp_addci(fsm *f, u_char *ucp, int *lenp) {
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} else \
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neg = 0; \
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}
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#endif /* VJ_SUPPORT */
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#define ADDCIADDR(opt, neg, val) \
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if (neg) { \
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@ -865,8 +880,10 @@ static void ipcp_addci(fsm *f, u_char *ucp, int *lenp) {
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ADDCIADDRS(CI_ADDRS, !go->neg_addr && go->old_addrs, go->ouraddr,
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go->hisaddr);
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#if VJ_SUPPORT
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ADDCIVJ(CI_COMPRESSTYPE, go->neg_vj, go->vj_protocol, go->old_vj,
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go->maxslotindex, go->cflag);
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#endif /* VJ_SUPPORT */
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ADDCIADDR(CI_ADDR, go->neg_addr, go->ouraddr);
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@ -893,9 +910,12 @@ static void ipcp_addci(fsm *f, u_char *ucp, int *lenp) {
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static int ipcp_ackci(fsm *f, u_char *p, int len) {
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ppp_pcb *pcb = f->pcb;
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ipcp_options *go = &pcb->ipcp_gotoptions;
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u_short cilen, citype, cishort;
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u_short cilen, citype;
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u32_t cilong;
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#if VJ_SUPPORT
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u_short cishort;
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u_char cimaxslotindex, cicflag;
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#endif /* VJ_SUPPORT */
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/*
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* CIs must be in exactly the same order that we sent...
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@ -923,6 +943,7 @@ static int ipcp_ackci(fsm *f, u_char *p, int len) {
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goto bad; \
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}
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#if VJ_SUPPORT
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#define ACKCIVJ(opt, neg, val, old, maxslotindex, cflag) \
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if (neg) { \
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int vjlen = old? CILEN_COMPRESS : CILEN_VJ; \
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@ -945,6 +966,7 @@ static int ipcp_ackci(fsm *f, u_char *p, int len) {
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goto bad; \
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} \
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}
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#endif /* VJ_SUPPORT */
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#define ACKCIADDR(opt, neg, val) \
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if (neg) { \
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@ -995,8 +1017,10 @@ static int ipcp_ackci(fsm *f, u_char *p, int len) {
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ACKCIADDRS(CI_ADDRS, !go->neg_addr && go->old_addrs, go->ouraddr,
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go->hisaddr);
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#if VJ_SUPPORT
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ACKCIVJ(CI_COMPRESSTYPE, go->neg_vj, go->vj_protocol, go->old_vj,
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go->maxslotindex, go->cflag);
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#endif /* VJ_SUPPORT */
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ACKCIADDR(CI_ADDR, go->neg_addr, go->ouraddr);
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@ -1033,9 +1057,11 @@ bad:
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static int ipcp_nakci(fsm *f, u_char *p, int len, int treat_as_reject) {
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ppp_pcb *pcb = f->pcb;
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ipcp_options *go = &pcb->ipcp_gotoptions;
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u_char cimaxslotindex, cicflag;
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u_char citype, cilen, *next;
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#if VJ_SUPPORT
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u_char cimaxslotindex, cicflag;
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u_short cishort;
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#endif /* VJ_SUPPORT */
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u32_t ciaddr1, ciaddr2, l, cidnsaddr;
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ipcp_options no; /* options we've seen Naks for */
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ipcp_options try_; /* options to request next time */
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@ -1063,6 +1089,7 @@ static int ipcp_nakci(fsm *f, u_char *p, int len, int treat_as_reject) {
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code \
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}
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#if VJ_SUPPORT
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#define NAKCIVJ(opt, neg, code) \
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if (go->neg && \
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((cilen = p[1]) == CILEN_COMPRESS || cilen == CILEN_VJ) && \
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@ -1074,6 +1101,7 @@ static int ipcp_nakci(fsm *f, u_char *p, int len, int treat_as_reject) {
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no.neg = 1; \
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code \
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}
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#endif /* VJ_SUPPORT */
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#define NAKCIADDR(opt, neg, code) \
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if (go->neg && \
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@ -1120,6 +1148,7 @@ static int ipcp_nakci(fsm *f, u_char *p, int len, int treat_as_reject) {
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}
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);
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#if VJ_SUPPORT
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/*
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* Accept the peer's value of maxslotindex provided that it
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* is less than what we asked for. Turn off slot-ID compression
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@ -1150,6 +1179,7 @@ static int ipcp_nakci(fsm *f, u_char *p, int len, int treat_as_reject) {
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}
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}
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);
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#endif /* VJ_SUPPORT */
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NAKCIADDR(CI_ADDR, neg_addr,
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if (treat_as_reject) {
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@ -1193,12 +1223,14 @@ static int ipcp_nakci(fsm *f, u_char *p, int len, int treat_as_reject) {
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next = p + cilen - 2;
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switch (citype) {
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#if VJ_SUPPORT
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case CI_COMPRESSTYPE:
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if (go->neg_vj || no.neg_vj ||
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(cilen != CILEN_VJ && cilen != CILEN_COMPRESS))
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goto bad;
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no.neg_vj = 1;
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break;
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#endif /* VJ_SUPPORT */
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case CI_ADDRS:
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if ((!go->neg_addr && go->old_addrs) || no.old_addrs
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|| cilen != CILEN_ADDRS)
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@ -1279,8 +1311,11 @@ bad:
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static int ipcp_rejci(fsm *f, u_char *p, int len) {
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ppp_pcb *pcb = f->pcb;
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ipcp_options *go = &pcb->ipcp_gotoptions;
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u_char cimaxslotindex, ciflag, cilen;
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u_char cilen;
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#if VJ_SUPPORT
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u_char cimaxslotindex, ciflag;
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u_short cishort;
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#endif /* VJ_SUPPORT */
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u32_t cilong;
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ipcp_options try_; /* options to request next time */
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@ -1311,6 +1346,7 @@ static int ipcp_rejci(fsm *f, u_char *p, int len) {
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try_.old_addrs = 0; \
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}
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#if VJ_SUPPORT
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#define REJCIVJ(opt, neg, val, old, maxslot, cflag) \
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if (go->neg && \
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p[1] == (old? CILEN_COMPRESS : CILEN_VJ) && \
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@ -1332,6 +1368,7 @@ static int ipcp_rejci(fsm *f, u_char *p, int len) {
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} \
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try_.neg = 0; \
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}
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#endif /* VJ_SUPPORT */
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#define REJCIADDR(opt, neg, val) \
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if (go->neg && \
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@ -1384,8 +1421,10 @@ static int ipcp_rejci(fsm *f, u_char *p, int len) {
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REJCIADDRS(CI_ADDRS, !go->neg_addr && go->old_addrs,
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go->ouraddr, go->hisaddr);
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#if VJ_SUPPORT
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REJCIVJ(CI_COMPRESSTYPE, neg_vj, go->vj_protocol, go->old_vj,
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go->maxslotindex, go->cflag);
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#endif /* VJ_SUPPORT */
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REJCIADDR(CI_ADDR, neg_addr, go->ouraddr);
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@ -1433,14 +1472,18 @@ static int ipcp_reqci(fsm *f, u_char *inp, int *len, int reject_if_disagree) {
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ipcp_options *ao = &pcb->ipcp_allowoptions;
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u_char *cip, *next; /* Pointer to current and next CIs */
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u_short cilen, citype; /* Parsed len, type */
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#if VJ_SUPPORT
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u_short cishort; /* Parsed short value */
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#endif /* VJ_SUPPORT */
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u32_t tl, ciaddr1, ciaddr2;/* Parsed address values */
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int rc = CONFACK; /* Final packet return code */
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int orc; /* Individual option return code */
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u_char *p; /* Pointer to next char to parse */
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u_char *ucp = inp; /* Pointer to current output char */
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int l = *len; /* Length left */
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#if VJ_SUPPORT
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u_char maxslotindex, cflag;
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#endif /* VJ_SUPPORT */
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int d;
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/*
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@ -1602,6 +1645,7 @@ static int ipcp_reqci(fsm *f, u_char *inp, int *len, int reject_if_disagree) {
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}
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break;
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#if VJ_SUPPORT
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case CI_COMPRESSTYPE:
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if (!ao->neg_vj ||
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(cilen != CILEN_VJ && cilen != CILEN_COMPRESS)) {
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@ -1643,6 +1687,7 @@ static int ipcp_reqci(fsm *f, u_char *inp, int *len, int reject_if_disagree) {
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ho->cflag = 1;
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}
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break;
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#endif /* VJ_SUPPORT */
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default:
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orc = CONFREJ;
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@ -2119,7 +2164,9 @@ static int ipcp_printpkt(u_char *p, int plen,
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void (*printer) (void *, const char *, ...), void *arg) {
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int code, id, len, olen;
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u_char *pstart, *optend;
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#if VJ_SUPPORT
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u_short cishort;
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#endif /* VJ_SUPPORT */
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u32_t cilong;
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if (plen < HEADERLEN)
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@ -2163,6 +2210,7 @@ static int ipcp_printpkt(u_char *p, int plen,
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printer(arg, " %I", htonl(cilong));
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}
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break;
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#if VJ_SUPPORT
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case CI_COMPRESSTYPE:
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if (olen >= CILEN_COMPRESS) {
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p += 2;
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@ -2180,6 +2228,7 @@ static int ipcp_printpkt(u_char *p, int plen,
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}
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}
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break;
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#endif /* VJ_SUPPORT */
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case CI_ADDR:
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if (olen == CILEN_ADDR) {
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p += 2;
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@ -912,10 +912,10 @@ pppoe_connect(ppp_pcb *ppp, void *ctx)
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struct pppoe_softc *sc = (struct pppoe_softc *)ctx;
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lcp_options *lcp_wo;
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lcp_options *lcp_ao;
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#if PPP_IPV4_SUPPORT
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#if PPP_IPV4_SUPPORT && VJ_SUPPORT
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ipcp_options *ipcp_wo;
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ipcp_options *ipcp_ao;
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#endif /* PPP_IPV4_SUPPORT */
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#endif /* PPP_IPV4_SUPPORT && VJ_SUPPORT */
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if (sc->sc_state != PPPOE_STATE_INITIAL) {
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return EBUSY;
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@ -947,7 +947,7 @@ pppoe_connect(ppp_pcb *ppp, void *ctx)
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lcp_ao->neg_pcompression = 0;
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lcp_ao->neg_accompression = 0;
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#if PPP_IPV4_SUPPORT
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#if PPP_IPV4_SUPPORT && VJ_SUPPORT
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ipcp_wo = &ppp->ipcp_wantoptions;
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ipcp_wo->neg_vj = 0;
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ipcp_wo->old_vj = 0;
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@ -955,7 +955,7 @@ pppoe_connect(ppp_pcb *ppp, void *ctx)
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ipcp_ao = &ppp->ipcp_allowoptions;
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ipcp_ao->neg_vj = 0;
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ipcp_ao->old_vj = 0;
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#endif /* PPP_IPV4_SUPPORT */
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#endif /* PPP_IPV4_SUPPORT && VJ_SUPPORT */
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/* save state, in case we fail to send PADI */
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sc->sc_state = PPPOE_STATE_PADI_SENT;
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@ -313,10 +313,10 @@ static err_t pppol2tp_connect(ppp_pcb *ppp, void *ctx) {
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pppol2tp_pcb *l2tp = (pppol2tp_pcb *)ctx;
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lcp_options *lcp_wo;
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lcp_options *lcp_ao;
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#if PPP_IPV4_SUPPORT
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#if PPP_IPV4_SUPPORT && VJ_SUPPORT
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ipcp_options *ipcp_wo;
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ipcp_options *ipcp_ao;
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#endif /* PPP_IPV4_SUPPORT */
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#endif /* PPP_IPV4_SUPPORT && VJ_SUPPORT */
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if (l2tp->phase != PPPOL2TP_STATE_INITIAL) {
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return ERR_VAL;
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@ -338,7 +338,7 @@ static err_t pppol2tp_connect(ppp_pcb *ppp, void *ctx) {
|
||||
lcp_ao->neg_pcompression = 0;
|
||||
lcp_ao->neg_accompression = 0;
|
||||
|
||||
#if PPP_IPV4_SUPPORT
|
||||
#if PPP_IPV4_SUPPORT && VJ_SUPPORT
|
||||
ipcp_wo = &ppp->ipcp_wantoptions;
|
||||
ipcp_wo->neg_vj = 0;
|
||||
ipcp_wo->old_vj = 0;
|
||||
@ -346,7 +346,7 @@ static err_t pppol2tp_connect(ppp_pcb *ppp, void *ctx) {
|
||||
ipcp_ao = &ppp->ipcp_allowoptions;
|
||||
ipcp_ao->neg_vj = 0;
|
||||
ipcp_ao->old_vj = 0;
|
||||
#endif /* PPP_IPV4_SUPPORT */
|
||||
#endif /* PPP_IPV4_SUPPORT && VJ_SUPPORT */
|
||||
|
||||
/* Listen to a random source port, we need to do that instead of using udp_connect()
|
||||
* because the L2TP LNS might answer with its own random source port (!= 1701)
|
||||
|
@ -396,10 +396,6 @@ static err_t
|
||||
pppos_connect(ppp_pcb *ppp, void *ctx)
|
||||
{
|
||||
pppos_pcb *pppos = (pppos_pcb *)ctx;
|
||||
#if !VJ_SUPPORT && PPP_IPV4_SUPPORT
|
||||
ipcp_options *ipcp_wo;
|
||||
ipcp_options *ipcp_ao;
|
||||
#endif /* !VJ_SUPPORT && PPP_IPV4_SUPPORT */
|
||||
|
||||
#if PPP_INPROC_MULTITHREADED
|
||||
sys_mutex_lock(&pppos->mutex);
|
||||
@ -414,20 +410,9 @@ pppos_connect(ppp_pcb *ppp, void *ctx)
|
||||
|
||||
ppp_clear(ppp);
|
||||
|
||||
#if PPP_IPV4_SUPPORT
|
||||
#if VJ_SUPPORT
|
||||
#if PPP_IPV4_SUPPORT && VJ_SUPPORT
|
||||
vj_compress_init(&pppos->vj_comp);
|
||||
#else /* VJ_SUPPORT */
|
||||
/* Don't even try to negotiate VJ if VJ is disabled */
|
||||
ipcp_wo = &ppp->ipcp_wantoptions;
|
||||
ipcp_wo->neg_vj = 0;
|
||||
ipcp_wo->old_vj = 0;
|
||||
|
||||
ipcp_ao = &ppp->ipcp_allowoptions;
|
||||
ipcp_ao->neg_vj = 0;
|
||||
ipcp_ao->old_vj = 0;
|
||||
#endif /* VJ_SUPPORT */
|
||||
#endif /* PPP_IPV4_SUPPORT */
|
||||
#endif /* PPP_IPV4_SUPPORT && VJ_SUPPORT */
|
||||
|
||||
/*
|
||||
* Default the in and out accm so that escape and flag characters
|
||||
@ -451,9 +436,6 @@ pppos_listen(ppp_pcb *ppp, void *ctx, struct ppp_addrs *addrs)
|
||||
pppos_pcb *pppos = (pppos_pcb *)ctx;
|
||||
#if PPP_IPV4_SUPPORT
|
||||
ipcp_options *ipcp_wo;
|
||||
#if !VJ_SUPPORT
|
||||
ipcp_options *ipcp_ao;
|
||||
#endif /* !VJ_SUPPORT */
|
||||
#endif /* PPP_IPV4_SUPPORT */
|
||||
lcp_options *lcp_wo;
|
||||
|
||||
@ -491,15 +473,6 @@ pppos_listen(ppp_pcb *ppp, void *ctx, struct ppp_addrs *addrs)
|
||||
|
||||
#if VJ_SUPPORT
|
||||
vj_compress_init(&pppos->vj_comp);
|
||||
#else /* VJ_SUPPORT */
|
||||
/* Don't even try to negotiate VJ if VJ is disabled */
|
||||
ipcp_wo = &ppp->ipcp_wantoptions;
|
||||
ipcp_wo->neg_vj = 0;
|
||||
ipcp_wo->old_vj = 0;
|
||||
|
||||
ipcp_ao = &ppp->ipcp_allowoptions;
|
||||
ipcp_ao->neg_vj = 0;
|
||||
ipcp_ao->old_vj = 0;
|
||||
#endif /* VJ_SUPPORT */
|
||||
|
||||
#else /* PPP_IPV4_SUPPORT */
|
||||
|
Loading…
Reference in New Issue
Block a user