*/
#ifndef lint
-static char rcsid[] = "$Id: ipcp.c,v 1.6 1994/05/24 05:57:56 paulus Exp $";
+static char rcsid[] = "$Id: ipcp.c,v 1.21 1995/08/17 11:57:12 paulus Exp $";
#endif
/*
#include <syslog.h>
#include <sys/types.h>
#include <sys/socket.h>
-
-#include <net/if.h>
-#include <net/if_ppp.h>
+#include <netinet/in.h>
#include "pppd.h"
-#include "ppp.h"
#include "fsm.h"
#include "ipcp.h"
#include "pathnames.h"
/* global vars */
-ipcp_options ipcp_wantoptions[NPPP]; /* Options that we want to request */
-ipcp_options ipcp_gotoptions[NPPP]; /* Options that peer ack'd */
-ipcp_options ipcp_allowoptions[NPPP]; /* Options we allow peer to request */
-ipcp_options ipcp_hisoptions[NPPP]; /* Options that we ack'd */
-
-extern char ifname[];
-extern char devname[];
-extern int baud_rate;
+ipcp_options ipcp_wantoptions[NUM_PPP]; /* Options that we want to request */
+ipcp_options ipcp_gotoptions[NUM_PPP]; /* Options that peer ack'd */
+ipcp_options ipcp_allowoptions[NUM_PPP]; /* Options we allow peer to request */
+ipcp_options ipcp_hisoptions[NUM_PPP]; /* Options that we ack'd */
/* local vars */
-static int cis_received[NPPP]; /* # Conf-Reqs received */
+static int cis_received[NUM_PPP]; /* # Conf-Reqs received */
/*
* Callbacks for fsm code. (CI = Configuration Information)
*/
-static void ipcp_resetci __ARGS((fsm *)); /* Reset our CI */
-static int ipcp_cilen __ARGS((fsm *)); /* Return length of our CI */
-static void ipcp_addci __ARGS((fsm *, u_char *, int *)); /* Add our CI */
-static int ipcp_ackci __ARGS((fsm *, u_char *, int)); /* Peer ack'd our CI */
-static int ipcp_nakci __ARGS((fsm *, u_char *, int)); /* Peer nak'd our CI */
-static int ipcp_rejci __ARGS((fsm *, u_char *, int)); /* Peer rej'd our CI */
-static int ipcp_reqci __ARGS((fsm *, u_char *, int *, int)); /* Rcv CI */
-static void ipcp_up __ARGS((fsm *)); /* We're UP */
-static void ipcp_down __ARGS((fsm *)); /* We're DOWN */
-static void ipcp_script __ARGS((fsm *, char *)); /* Run an up/down script */
-
-fsm ipcp_fsm[NPPP]; /* IPCP fsm structure */
+static void ipcp_resetci __P((fsm *)); /* Reset our CI */
+static int ipcp_cilen __P((fsm *)); /* Return length of our CI */
+static void ipcp_addci __P((fsm *, u_char *, int *)); /* Add our CI */
+static int ipcp_ackci __P((fsm *, u_char *, int)); /* Peer ack'd our CI */
+static int ipcp_nakci __P((fsm *, u_char *, int)); /* Peer nak'd our CI */
+static int ipcp_rejci __P((fsm *, u_char *, int)); /* Peer rej'd our CI */
+static int ipcp_reqci __P((fsm *, u_char *, int *, int)); /* Rcv CI */
+static void ipcp_up __P((fsm *)); /* We're UP */
+static void ipcp_down __P((fsm *)); /* We're DOWN */
+static void ipcp_script __P((fsm *, char *)); /* Run an up/down script */
+
+fsm ipcp_fsm[NUM_PPP]; /* IPCP fsm structure */
static fsm_callbacks ipcp_callbacks = { /* IPCP callback routines */
ipcp_resetci, /* Reset our Configuration Information */
*/
char *
ip_ntoa(ipaddr)
-u_long ipaddr;
+u_int32_t ipaddr;
{
static char b[64];
ipcp_options *ao = &ipcp_allowoptions[unit];
f->unit = unit;
- f->protocol = IPCP;
+ f->protocol = PPP_IPCP;
f->callbacks = &ipcp_callbacks;
fsm_init(&ipcp_fsm[unit]);
ao->neg_vj = 1;
ao->maxslotindex = MAX_STATES - 1;
ao->cflag = 1;
+
+ /*
+ * XXX These control whether the user may use the proxyarp
+ * and defaultroute options.
+ */
+ ao->proxy_arp = 1;
+ ao->default_route = 1;
}
if (neg) { \
int addrlen = (old? CILEN_ADDRS: CILEN_ADDR); \
if (len >= addrlen) { \
- u_long l; \
+ u_int32_t l; \
PUTCHAR(opt, ucp); \
PUTCHAR(addrlen, ucp); \
l = ntohl(val1); \
{
ipcp_options *go = &ipcp_gotoptions[f->unit];
u_short cilen, citype, cishort;
- u_long cilong;
+ u_int32_t cilong;
u_char cimaxslotindex, cicflag;
/*
#define ACKCIADDR(opt, neg, old, val1, val2) \
if (neg) { \
int addrlen = (old? CILEN_ADDRS: CILEN_ADDR); \
- u_long l; \
+ u_int32_t l; \
if ((len -= addrlen) < 0) \
goto bad; \
GETCHAR(citype, p); \
u_char cimaxslotindex, cicflag;
u_char citype, cilen, *next;
u_short cishort;
- u_long ciaddr1, ciaddr2, l;
+ u_int32_t ciaddr1, ciaddr2, l;
ipcp_options no; /* options we've seen Naks for */
ipcp_options try; /* options to request next time */
len -= cilen; \
INCPTR(2, p); \
GETSHORT(cishort, p); \
- if (cilen == CILEN_VJ) { \
- GETCHAR(cimaxslotindex, p); \
- GETCHAR(cicflag, p); \
- } \
no.neg = 1; \
code \
}
* Accept the peer's idea of {our,his} address, if different
* from our idea, only if the accept_{local,remote} flag is set.
*/
- NAKCIADDR(CI_ADDR, neg_addr, go->old_addrs,
+ NAKCIADDR((go->old_addrs? CI_ADDRS: CI_ADDR), neg_addr, go->old_addrs,
if (go->accept_local && ciaddr1) { /* Do we know our address? */
try.ouraddr = ciaddr1;
IPCPDEBUG((LOG_INFO, "local IP address %s",
*/
NAKCIVJ(CI_COMPRESSTYPE, neg_vj,
if (cilen == CILEN_VJ) {
+ GETCHAR(cimaxslotindex, p);
+ GETCHAR(cicflag, p);
if (cishort == IPCP_VJ_COMP) {
try.old_vj = 0;
if (cimaxslotindex < go->maxslotindex)
case CI_ADDR:
if (go->neg_addr || no.neg_addr || cilen != CILEN_ADDR)
goto bad;
- try.neg_addr = 1;
try.old_addrs = 0;
GETLONG(l, p);
ciaddr1 = htonl(l);
if (ciaddr1 && go->accept_local)
try.ouraddr = ciaddr1;
+ if (try.ouraddr != 0)
+ try.neg_addr = 1;
no.neg_addr = 1;
break;
- default:
- goto bad;
}
p = next;
}
ipcp_options *go = &ipcp_gotoptions[f->unit];
u_char cimaxslotindex, ciflag, cilen;
u_short cishort;
- u_long cilong;
+ u_int32_t cilong;
ipcp_options try; /* options to request next time */
try = *go;
len >= (cilen = old? CILEN_ADDRS: CILEN_ADDR) && \
p[1] == cilen && \
p[0] == opt) { \
- u_long l; \
+ u_int32_t l; \
len -= cilen; \
INCPTR(2, p); \
GETLONG(l, p); \
u_char *cip, *next; /* Pointer to current and next CIs */
u_short cilen, citype; /* Parsed len, type */
u_short cishort; /* Parsed short value */
- u_long tl, ciaddr1, ciaddr2;/* Parsed address values */
+ u_int32_t tl, ciaddr1, ciaddr2;/* Parsed address values */
int rc = CONFACK; /* Final packet return code */
int orc; /* Individual option return code */
u_char *p; /* Pointer to next char to parse */
&& (ciaddr1 == 0 || !wo->accept_remote)) {
orc = CONFNAK;
if (!reject_if_disagree) {
- DECPTR(sizeof (long), p);
+ DECPTR(sizeof(u_int32_t), p);
tl = ntohl(wo->hisaddr);
PUTLONG(tl, p);
}
+ } else if (ciaddr1 == 0 && wo->hisaddr == 0) {
+ /*
+ * If neither we nor he knows his address, reject the option.
+ */
+ orc = CONFREJ;
+ wo->req_addr = 0; /* don't NAK with 0.0.0.0 later */
+ break;
}
/*
if (ciaddr2 == 0 || !wo->accept_local) {
orc = CONFNAK;
if (!reject_if_disagree) {
- DECPTR(sizeof (long), p);
+ DECPTR(sizeof(u_int32_t), p);
tl = ntohl(wo->ouraddr);
PUTLONG(tl, p);
}
&& (ciaddr1 == 0 || !wo->accept_remote)) {
orc = CONFNAK;
if (!reject_if_disagree) {
- DECPTR(sizeof (long), p);
+ DECPTR(sizeof(u_int32_t), p);
tl = ntohl(wo->hisaddr);
PUTLONG(tl, p);
}
+ } else if (ciaddr1 == 0 && wo->hisaddr == 0) {
+ /*
+ * Don't ACK an address of 0.0.0.0 - reject it instead.
+ */
+ orc = CONFREJ;
+ wo->req_addr = 0; /* don't NAK with 0.0.0.0 later */
+ break;
}
ho->neg_addr = 1;
}
}
ho->maxslotindex = maxslotindex;
- ho->cflag = wo->cflag;
+ ho->cflag = cflag;
} else {
ho->old_vj = 1;
ho->maxslotindex = MAX_STATES - 1;
ipcp_up(f)
fsm *f;
{
- u_long mask;
+ u_int32_t mask;
ipcp_options *ho = &ipcp_hisoptions[f->unit];
ipcp_options *go = &ipcp_gotoptions[f->unit];
ipcp_down(f)
fsm *f;
{
- u_long ouraddr, hisaddr;
+ u_int32_t ouraddr, hisaddr;
IPCPDEBUG((LOG_INFO, "ipcp: down"));
argv[0] = script;
argv[1] = ifname;
- argv[2] = devname;
+ argv[2] = devnam;
argv[3] = strspeed;
argv[4] = strlocal;
argv[5] = strremote;
- argv[6] = NULL;
+ argv[6] = ipparam;
+ argv[7] = NULL;
run_program(script, argv, 0);
}
int code, id, len, olen;
u_char *pstart, *optend;
u_short cishort;
- u_long cilong;
+ u_int32_t cilong;
if (plen < HEADERLEN)
return 0;
projects / ppp.git / blobdiff