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https://github.com/lwip-tcpip/lwip.git
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fixed PPPoS xmit_accm ppp_pcb variable access
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82a4d4ec65
commit
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@ -402,12 +402,12 @@ static void lcp_init(ppp_pcb *pcb) {
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* Set transmit escape for the flag and escape characters plus anything
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* set for the allowable options.
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*/
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memset(xmit_accm[pcb->unit], 0, sizeof(xmit_accm[0]));
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xmit_accm[pcb->unit][15] = 0x60;
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xmit_accm[pcb->unit][0] = (u_char)((ao->asyncmap & 0xFF));
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xmit_accm[pcb->unit][1] = (u_char)((ao->asyncmap >> 8) & 0xFF);
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xmit_accm[pcb->unit][2] = (u_char)((ao->asyncmap >> 16) & 0xFF);
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xmit_accm[pcb->unit][3] = (u_char)((ao->asyncmap >> 24) & 0xFF);
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memset(pcb->xmit_accm, 0, sizeof(ext_accm));
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pcb->xmit_accm[15] = 0x60;
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pcb->xmit_accm[0] = (u_char)((ao->asyncmap & 0xFF));
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pcb->xmit_accm[1] = (u_char)((ao->asyncmap >> 8) & 0xFF);
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pcb->xmit_accm[2] = (u_char)((ao->asyncmap >> 16) & 0xFF);
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pcb->xmit_accm[3] = (u_char)((ao->asyncmap >> 24) & 0xFF);
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LCPDEBUG(("lcp_init: xmit_accm=%X %X %X %X\n",
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xmit_accm[unit][0],
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xmit_accm[unit][1],
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@ -479,7 +479,7 @@ void lcp_lowerup(ppp_pcb *pcb) {
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* if we are going to ask for A/C and protocol compression.
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*/
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#if PPPOS_SUPPORT
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ppp_set_xaccm(pcb, &xmit_accm[pcb->unit]);
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ppp_set_xaccm(pcb, &pcb->xmit_accm);
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#endif /* PPPOS_SUPPORT */
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if (ppp_send_config(pcb, PPP_MRU, 0xffffffff, 0, 0) < 0
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|| ppp_recv_config(pcb, PPP_MRU, (pcb->settings.lax_recv? 0: 0xffffffff),
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@ -488,10 +488,10 @@ void lcp_lowerup(ppp_pcb *pcb) {
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pcb->peer_mru = PPP_MRU;
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#if PPPOS_SUPPORT
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ao->asyncmap = (u_long)xmit_accm[pcb->unit][0]
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| ((u_long)xmit_accm[pcb->unit][1] << 8)
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| ((u_long)xmit_accm[pcb->unit][2] << 16)
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| ((u_long)xmit_accm[pcb->unit][3] << 24);
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ao->asyncmap = (u_long)pcb->xmit_accm[0]
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| ((u_long)pcb->xmit_accm[1] << 8)
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| ((u_long)pcb->xmit_accm[2] << 16)
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| ((u_long)pcb->xmit_accm[3] << 24);
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LCPDEBUG(("lcp_lowerup: asyncmap=%X %X %X %X\n",
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xmit_accm[unit][3],
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xmit_accm[unit][2],
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@ -90,10 +90,6 @@
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/* Value used as data for CI_CALLBACK option */
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#define CBCP_OPT 6 /* Use callback control protocol */
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#if PPPOS_SUPPORT
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extern ext_accm xmit_accm[];
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#endif /* #if PPPOS_SUPPORT */
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#define DEFMRU 1500 /* Try for this */
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#define MINMRU 128 /* No MRUs below this */
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#define MAXMRU 16384 /* Normally limit MRU to this */
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@ -468,6 +468,9 @@ typedef struct ppp_pcb_s {
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/* FIXME: do we really need such a large buffer? The typical 1500 bytes seem too much. */
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u_char nak_buffer[PPP_MRU]; /* where we construct a nak packet */
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int lcp_loopbackfail;
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#if PPPOS_SUPPORT
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#endif /* #if PPPOS_SUPPORT */
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fsm ipcp_fsm; /* IPCP fsm structure */
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ipcp_options ipcp_wantoptions; /* Options that we want to request */
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