/*
* ipxcp.c - PPP IPX Control Protocol.
*
- * Copyright (c) 1989 Carnegie Mellon University.
- * All rights reserved.
+ * Copyright (c) 1984-2000 Carnegie Mellon University. All rights reserved.
*
- * Redistribution and use in source and binary forms are permitted
- * provided that the above copyright notice and this paragraph are
- * duplicated in all such forms and that any documentation,
- * advertising materials, and other materials related to such
- * distribution and use acknowledge that the software was developed
- * by Carnegie Mellon University. The name of the
- * University may not be used to endorse or promote products derived
- * from this software without specific prior written permission.
- * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
- * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
- * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+ * 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.
+ *
+ * 3. The name "Carnegie Mellon University" must not be used to
+ * endorse or promote products derived from this software without
+ * prior written permission. For permission or any legal
+ * details, please contact
+ * Office of Technology Transfer
+ * Carnegie Mellon University
+ * 5000 Forbes Avenue
+ * Pittsburgh, PA 15213-3890
+ * (412) 268-4387, fax: (412) 268-7395
+ * tech-transfer@andrew.cmu.edu
+ *
+ * 4. Redistributions of any form whatsoever must retain the following
+ * acknowledgment:
+ * "This product includes software developed by Computing Services
+ * at Carnegie Mellon University (http://www.cmu.edu/computing/)."
+ *
+ * CARNEGIE MELLON UNIVERSITY DISCLAIMS ALL WARRANTIES WITH REGARD TO
+ * THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS, IN NO EVENT SHALL CARNEGIE MELLON UNIVERSITY BE LIABLE
+ * FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
+ * AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
+ * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
-#ifdef IPX_CHANGE
-#ifndef lint
-static const char rcsid[] = "$Id: ipxcp.c,v 1.16 1999/08/12 04:25:21 paulus Exp $";
+#ifdef HAVE_CONFIG_H
+#include "config.h"
#endif
+#ifdef IPX_CHANGE
+
/*
* TODO:
*/
#include "pathnames.h"
#include "magic.h"
+
/* global vars */
ipxcp_options ipxcp_wantoptions[NUM_PPP]; /* Options that we want to request */
ipxcp_options ipxcp_gotoptions[NUM_PPP]; /* Options that peer ack'd */
/*
* Callbacks for fsm code. (CI = Configuration Information)
*/
-static void ipxcp_resetci __P((fsm *)); /* Reset our CI */
-static int ipxcp_cilen __P((fsm *)); /* Return length of our CI */
-static void ipxcp_addci __P((fsm *, u_char *, int *)); /* Add our CI */
-static int ipxcp_ackci __P((fsm *, u_char *, int)); /* Peer ack'd our CI */
-static int ipxcp_nakci __P((fsm *, u_char *, int)); /* Peer nak'd our CI */
-static int ipxcp_rejci __P((fsm *, u_char *, int)); /* Peer rej'd our CI */
-static int ipxcp_reqci __P((fsm *, u_char *, int *, int)); /* Rcv CI */
-static void ipxcp_up __P((fsm *)); /* We're UP */
-static void ipxcp_down __P((fsm *)); /* We're DOWN */
-static void ipxcp_finished __P((fsm *)); /* Don't need lower layer */
-static void ipxcp_script __P((fsm *, char *)); /* Run an up/down script */
+static void ipxcp_resetci (fsm *); /* Reset our CI */
+static int ipxcp_cilen (fsm *); /* Return length of our CI */
+static void ipxcp_addci (fsm *, u_char *, int *); /* Add our CI */
+static int ipxcp_ackci (fsm *, u_char *, int); /* Peer ack'd our CI */
+static int ipxcp_nakci (fsm *, u_char *, int, int);/* Peer nak'd our CI */
+static int ipxcp_rejci (fsm *, u_char *, int); /* Peer rej'd our CI */
+static int ipxcp_reqci (fsm *, u_char *, int *, int); /* Rcv CI */
+static void ipxcp_up (fsm *); /* We're UP */
+static void ipxcp_down (fsm *); /* We're DOWN */
+static void ipxcp_finished (fsm *); /* Don't need lower layer */
+static void ipxcp_script (fsm *, char *); /* Run an up/down script */
fsm ipxcp_fsm[NUM_PPP]; /* IPXCP fsm structure */
/*
* Command-line options.
*/
-static int setipxnode __P((char **));
-static int setipxname __P((char **));
+static int setipxnode (char **);
+static void printipxnode (option_t *,
+ void (*)(void *, char *, ...), void *);
+static int setipxname (char **);
static option_t ipxcp_option_list[] = {
{ "ipx", o_bool, &ipxcp_protent.enabled_flag,
- "Enable IPXCP (and IPX)", 1 },
+ "Enable IPXCP (and IPX)", OPT_PRIO | 1 },
{ "+ipx", o_bool, &ipxcp_protent.enabled_flag,
- "Enable IPXCP (and IPX)", 1 },
+ "Enable IPXCP (and IPX)", OPT_PRIOSUB | OPT_ALIAS | 1 },
{ "noipx", o_bool, &ipxcp_protent.enabled_flag,
- "Disable IPXCP (and IPX)" },
+ "Disable IPXCP (and IPX)", OPT_PRIOSUB },
{ "-ipx", o_bool, &ipxcp_protent.enabled_flag,
- "Disable IPXCP (and IPX)" } ,
+ "Disable IPXCP (and IPX)", OPT_PRIOSUB | OPT_ALIAS },
+
{ "ipx-network", o_uint32, &ipxcp_wantoptions[0].our_network,
- "Set our IPX network number", 0, &ipxcp_wantoptions[0].neg_nn },
+ "Set our IPX network number", OPT_PRIO, &ipxcp_wantoptions[0].neg_nn },
+
{ "ipxcp-accept-network", o_bool, &ipxcp_wantoptions[0].accept_network,
"Accept peer IPX network number", 1,
&ipxcp_allowoptions[0].accept_network },
- { "ipx-node", o_special, setipxnode,
- "Set IPX node number" },
+
+ { "ipx-node", o_special, (void *)setipxnode,
+ "Set IPX node number", OPT_A2PRINTER, (void *)printipxnode },
+
{ "ipxcp-accept-local", o_bool, &ipxcp_wantoptions[0].accept_local,
"Accept our IPX address", 1,
&ipxcp_allowoptions[0].accept_local },
+
{ "ipxcp-accept-remote", o_bool, &ipxcp_wantoptions[0].accept_remote,
"Accept peer's IPX address", 1,
&ipxcp_allowoptions[0].accept_remote },
+
{ "ipx-routing", o_int, &ipxcp_wantoptions[0].router,
- "Set IPX routing proto number", 0,
+ "Set IPX routing proto number", OPT_PRIO,
&ipxcp_wantoptions[0].neg_router },
+
{ "ipx-router-name", o_special, setipxname,
- "Set IPX router name" },
+ "Set IPX router name", OPT_PRIO | OPT_A2STRVAL | OPT_STATIC,
+ &ipxcp_wantoptions[0].name },
+
{ "ipxcp-restart", o_int, &ipxcp_fsm[0].timeouttime,
- "Set timeout for IPXCP" },
+ "Set timeout for IPXCP", OPT_PRIO },
{ "ipxcp-max-terminate", o_int, &ipxcp_fsm[0].maxtermtransmits,
- "Set max #xmits for IPXCP term-reqs" },
+ "Set max #xmits for IPXCP term-reqs", OPT_PRIO },
{ "ipxcp-max-configure", o_int, &ipxcp_fsm[0].maxconfreqtransmits,
- "Set max #xmits for IPXCP conf-reqs" },
+ "Set max #xmits for IPXCP conf-reqs", OPT_PRIO },
{ "ipxcp-max-failure", o_int, &ipxcp_fsm[0].maxnakloops,
- "Set max #conf-naks for IPXCP" },
+ "Set max #conf-naks for IPXCP", OPT_PRIO },
+
{ NULL }
};
* Protocol entry points.
*/
-static void ipxcp_init __P((int));
-static void ipxcp_open __P((int));
-static void ipxcp_close __P((int, char *));
-static void ipxcp_lowerup __P((int));
-static void ipxcp_lowerdown __P((int));
-static void ipxcp_input __P((int, u_char *, int));
-static void ipxcp_protrej __P((int));
-static int ipxcp_printpkt __P((u_char *, int,
- void (*) __P((void *, char *, ...)), void *));
+static void ipxcp_init (int);
+static void ipxcp_open (int);
+static void ipxcp_close (int, char *);
+static void ipxcp_lowerup (int);
+static void ipxcp_lowerdown (int);
+static void ipxcp_input (int, u_char *, int);
+static void ipxcp_protrej (int);
+static int ipxcp_printpkt (u_char *, int,
+ void (*) (void *, char *, ...), void *);
struct protent ipxcp_protent = {
PPP_IPXCP,
static int ipxcp_is_up;
-static char *ipx_ntoa __P((u_int32_t));
+static char *ipx_ntoa (u_int32_t);
/* Used in printing the node number */
#define NODE(base) base[0], base[1], base[2], base[3], base[4], base[5]
*/
static short int
-to_external(internal)
-short int internal;
+to_external(short int internal)
{
short int external;
*/
static char *
-ipx_ntoa(ipxaddr)
-u_int32_t ipxaddr;
+ipx_ntoa(u_int32_t ipxaddr)
{
static char b[64];
slprintf(b, sizeof(b), "%x", ipxaddr);
static u_char *
-setipxnodevalue(src,dst)
-u_char *src, *dst;
+setipxnodevalue(u_char *src, u_char *dst)
{
int indx;
int item;
return src;
}
+static int ipx_prio_our, ipx_prio_his;
+
static int
-setipxnode(argv)
- char **argv;
+setipxnode(char **argv)
{
- char *end;
-
- memset (&ipxcp_wantoptions[0].our_node[0], 0, 6);
- memset (&ipxcp_wantoptions[0].his_node[0], 0, 6);
-
- end = setipxnodevalue (*argv, &ipxcp_wantoptions[0].our_node[0]);
- if (*end == ':')
- end = setipxnodevalue (++end, &ipxcp_wantoptions[0].his_node[0]);
+ u_char *end;
+ int have_his = 0;
+ u_char our_node[6];
+ u_char his_node[6];
+
+ memset (our_node, 0, 6);
+ memset (his_node, 0, 6);
+
+ end = setipxnodevalue ((u_char *)*argv, our_node);
+ if (*end == ':') {
+ have_his = 1;
+ end = setipxnodevalue (++end, his_node);
+ }
if (*end == '\0') {
ipxcp_wantoptions[0].neg_node = 1;
+ if (option_priority >= ipx_prio_our) {
+ memcpy(&ipxcp_wantoptions[0].our_node[0], our_node, 6);
+ ipx_prio_our = option_priority;
+ }
+ if (have_his && option_priority >= ipx_prio_his) {
+ memcpy(&ipxcp_wantoptions[0].his_node[0], his_node, 6);
+ ipx_prio_his = option_priority;
+ }
return 1;
}
return 0;
}
+static void
+printipxnode(option_t *opt, void (*printer) (void *, char *, ...), void *arg)
+{
+ unsigned char *p;
+
+ p = ipxcp_wantoptions[0].our_node;
+ if (ipx_prio_our)
+ printer(arg, "%.2x%.2x%.2x%.2x%.2x%.2x",
+ p[0], p[1], p[2], p[3], p[4], p[5]);
+ printer(arg, ":");
+ p = ipxcp_wantoptions[0].his_node;
+ if (ipx_prio_his)
+ printer(arg, "%.2x%.2x%.2x%.2x%.2x%.2x",
+ p[0], p[1], p[2], p[3], p[4], p[5]);
+}
+
static int
-setipxname (argv)
- char **argv;
+setipxname (char **argv)
{
- char *dest = ipxcp_wantoptions[0].name;
+ u_char *dest = ipxcp_wantoptions[0].name;
char *src = *argv;
int count;
char ch;
return 0;
}
- if (count >= sizeof (ipxcp_wantoptions[0].name)) {
+ if (count >= sizeof (ipxcp_wantoptions[0].name) - 1) {
option_error("IPX router name is limited to %d characters",
sizeof (ipxcp_wantoptions[0].name) - 1);
return 0;
dest[count++] = toupper (ch);
}
+ dest[count] = 0;
return 1;
}
* ipxcp_init - Initialize IPXCP.
*/
static void
-ipxcp_init(unit)
- int unit;
+ipxcp_init(int unit)
{
fsm *f = &ipxcp_fsm[unit];
*/
static void
-copy_node (src, dst)
-u_char *src, *dst;
+copy_node (u_char *src, u_char *dst)
{
memcpy (dst, src, sizeof (ipxcp_wantoptions[0].our_node));
}
*/
static int
-compare_node (src, dst)
-u_char *src, *dst;
+compare_node (u_char *src, u_char *dst)
{
return memcmp (dst, src, sizeof (ipxcp_wantoptions[0].our_node)) == 0;
}
*/
static int
-zero_node (node)
-u_char *node;
+zero_node (u_char *node)
{
int indx;
for (indx = 0; indx < sizeof (ipxcp_wantoptions[0].our_node); ++indx)
*/
static void
-inc_node (node)
-u_char *node;
+inc_node (u_char *node)
{
u_char *outp;
u_int32_t magic_num;
* ipxcp_open - IPXCP is allowed to come up.
*/
static void
-ipxcp_open(unit)
- int unit;
+ipxcp_open(int unit)
{
fsm_open(&ipxcp_fsm[unit]);
}
* ipxcp_close - Take IPXCP down.
*/
static void
-ipxcp_close(unit, reason)
- int unit;
- char *reason;
+ipxcp_close(int unit, char *reason)
{
fsm_close(&ipxcp_fsm[unit], reason);
}
* ipxcp_lowerup - The lower layer is up.
*/
static void
-ipxcp_lowerup(unit)
- int unit;
+ipxcp_lowerup(int unit)
{
fsm_lowerup(&ipxcp_fsm[unit]);
}
* ipxcp_lowerdown - The lower layer is down.
*/
static void
-ipxcp_lowerdown(unit)
- int unit;
+ipxcp_lowerdown(int unit)
{
fsm_lowerdown(&ipxcp_fsm[unit]);
}
* ipxcp_input - Input IPXCP packet.
*/
static void
-ipxcp_input(unit, p, len)
- int unit;
- u_char *p;
- int len;
+ipxcp_input(int unit, u_char *p, int len)
{
fsm_input(&ipxcp_fsm[unit], p, len);
}
* Pretend the lower layer went down, so we shut up.
*/
static void
-ipxcp_protrej(unit)
- int unit;
+ipxcp_protrej(int unit)
{
fsm_lowerdown(&ipxcp_fsm[unit]);
}
* ipxcp_resetci - Reset our CI.
*/
static void
-ipxcp_resetci(f)
- fsm *f;
+ipxcp_resetci(fsm *f)
{
wo->req_node = wo->neg_node && ao->neg_node;
wo->req_nn = wo->neg_nn && ao->neg_nn;
*/
static int
-ipxcp_cilen(f)
- fsm *f;
+ipxcp_cilen(fsm *f)
{
int len;
len = go->neg_nn ? CILEN_NETN : 0;
len += go->neg_node ? CILEN_NODEN : 0;
- len += go->neg_name ? CILEN_NAME + strlen (go->name) - 1 : 0;
+ len += go->neg_name ? CILEN_NAME + strlen ((char *)go->name) - 1 : 0;
/* RFC says that defaults should not be included. */
if (go->neg_router && to_external(go->router) != RIP_SAP)
* ipxcp_addci - Add our desired CIs to a packet.
*/
static void
-ipxcp_addci(f, ucp, lenp)
- fsm *f;
- u_char *ucp;
- int *lenp;
+ipxcp_addci(fsm *f, u_char *ucp, int *lenp)
{
/*
* Add the options to the record.
}
if (go->neg_name) {
- int cilen = strlen (go->name);
+ int cilen = strlen ((char *)go->name);
int indx;
PUTCHAR (IPX_ROUTER_NAME, ucp);
PUTCHAR (CILEN_NAME + cilen - 1, ucp);
* 1 - Ack was good.
*/
static int
-ipxcp_ackci(f, p, len)
- fsm *f;
- u_char *p;
- int len;
+ipxcp_ackci(fsm *f, u_char *p, int len)
{
u_short cilen, citype, cishort;
u_char cichar;
}
#define ACKCINODE(opt,neg,val) ACKCICHARS(opt,neg,val,sizeof(val))
-#define ACKCINAME(opt,neg,val) ACKCICHARS(opt,neg,val,strlen(val))
+#define ACKCINAME(opt,neg,val) ACKCICHARS(opt,neg,val,strlen((char *)val))
#define ACKCINETWORK(opt, neg, val) \
if (neg) { \
*/
static int
-ipxcp_nakci(f, p, len)
- fsm *f;
- u_char *p;
- int len;
+ipxcp_nakci(fsm *f, u_char *p, int len, int treat_as_reject)
{
u_char citype, cilen, *next;
u_short s;
BZERO(&no, sizeof(no));
try = *go;
- while (len > CILEN_VOID) {
+ while (len >= CILEN_VOID) {
GETCHAR (citype, p);
GETCHAR (cilen, p);
len -= cilen;
- if (len < 0)
+ if (cilen < CILEN_VOID || len < 0)
goto bad;
next = &p [cilen - CILEN_VOID];
no.neg_nn = 1;
GETLONG(l, p);
- if (l && ao->accept_network)
+ if (treat_as_reject)
+ try.neg_nn = 0;
+ else if (l && ao->accept_network)
try.our_network = l;
break;
goto bad;
no.neg_node = 1;
- if (!zero_node (p) && ao->accept_local &&
- ! compare_node (p, ho->his_node))
+ if (treat_as_reject)
+ try.neg_node = 0;
+ else if (!zero_node (p) && ao->accept_local &&
+ ! compare_node (p, ho->his_node))
copy_node (p, try.our_node);
break;
* ipxcp_rejci - Reject some of our CIs.
*/
static int
-ipxcp_rejci(f, p, len)
- fsm *f;
- u_char *p;
- int len;
+ipxcp_rejci(fsm *f, u_char *p, int len)
{
u_short cilen, citype, cishort;
u_char cichar;
}
#define REJCINODE(opt,neg,val) REJCICHARS(opt,neg,val,sizeof(val))
-#define REJCINAME(opt,neg,val) REJCICHARS(opt,neg,val,strlen(val))
+#define REJCINAME(opt,neg,val) REJCICHARS(opt,neg,val,strlen((char *)val))
#define REJCIVOID(opt, neg) \
if (neg && p[0] == opt) { \
* CONFNAK; returns CONFREJ if it can't return CONFACK.
*/
static int
-ipxcp_reqci(f, inp, len, reject_if_disagree)
- fsm *f;
- u_char *inp; /* Requested CIs */
- int *len; /* Length of requested CIs */
- int reject_if_disagree;
+ipxcp_reqci(fsm *f, u_char *inp, int *len, int reject_if_disagree)
{
u_char *cip, *next; /* Pointer to current and next CIs */
u_short cilen, citype; /* Parsed len, type */
case IPX_ROUTER_NAME:
if (cilen >= CILEN_NAME) {
int name_size = cilen - CILEN_NAME;
- if (name_size > sizeof (ho->name))
+ if (name_size >= sizeof (ho->name))
name_size = sizeof (ho->name) - 1;
memset (ho->name, 0, sizeof (ho->name));
memcpy (ho->name, p, name_size);
*/
static void
-ipxcp_up(f)
- fsm *f;
+ipxcp_up(fsm *f)
{
int unit = f->unit;
ipxcp_close(unit, "Interface configuration failed");
return;
}
+ ipxcp_is_up = 1;
/* set the network number for IPX */
if (!sipxfaddr(unit, go->network, go->our_node)) {
return;
}
- ipxcp_is_up = 1;
np_up(f->unit, PPP_IPX);
/*
*/
static void
-ipxcp_down(f)
- fsm *f;
+ipxcp_down(fsm *f)
{
IPXCPDEBUG(("ipxcp: down"));
- if (ipxcp_is_up) {
- ipxcp_is_up = 0;
- np_down(f->unit, PPP_IPX);
- }
- cipxfaddr (f->unit);
+ if (!ipxcp_is_up)
+ return;
+ ipxcp_is_up = 0;
+ np_down(f->unit, PPP_IPX);
+ cipxfaddr(f->unit);
+ sifnpmode(f->unit, PPP_IPX, NPMODE_DROP);
sifdown(f->unit);
ipxcp_script (f, _PATH_IPXDOWN);
}
* ipxcp_finished - possibly shut down the lower layers.
*/
static void
-ipxcp_finished(f)
- fsm *f;
+ipxcp_finished(fsm *f)
{
np_finished(f->unit, PPP_IPX);
}
* interface-name tty-name speed local-IPX remote-IPX networks.
*/
static void
-ipxcp_script(f, script)
- fsm *f;
- char *script;
+ipxcp_script(fsm *f, char *script)
{
char strspeed[32], strlocal[32], strremote[32];
char strnetwork[32], strpid[32];
argv[6] = strremote;
argv[7] = strproto_lcl;
argv[8] = strproto_rmt;
- argv[9] = go->name;
- argv[10] = ho->name;
+ argv[9] = (char *)go->name;
+ argv[10] = (char *)ho->name;
argv[11] = ipparam;
argv[12] = strpid;
argv[13] = NULL;
- run_program(script, argv, 0, NULL, NULL);
+ run_program(script, argv, 0, NULL, NULL, 0);
}
/*
};
static int
-ipxcp_printpkt(p, plen, printer, arg)
- u_char *p;
- int plen;
- void (*printer) __P((void *, char *, ...));
- void *arg;
+ipxcp_printpkt(u_char *p, int plen,
+ void (*printer) (void *, char *, ...), void *arg)
{
int code, id, len, olen;
u_char *pstart, *optend;
case TERMREQ:
if (len > 0 && *p >= ' ' && *p < 0x7f) {
printer(arg, " ");
- print_string(p, len, printer, arg);
+ print_string((char *)p, len, printer, arg);
p += len;
len = 0;
}
projects / ppp.git / blobdiff