*/
#ifdef IPX_CHANGE
-#ifndef lint
-static char rcsid[] = "$Id: ipxcp.c,v 1.5 1997/03/04 03:39:32 paulus Exp $";
-#endif
+
+#define RCSID "$Id: ipxcp.c,v 1.19 2001/02/22 03:15:20 paulus Exp $"
/*
* TODO:
#include <stdio.h>
#include <string.h>
-#include <syslog.h>
+#include <unistd.h>
+#include <ctype.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include "fsm.h"
#include "ipxcp.h"
#include "pathnames.h"
+#include "magic.h"
+
+static const char rcsid[] = RCSID;
/* global vars */
ipxcp_options ipxcp_wantoptions[NUM_PPP]; /* Options that we want to request */
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 */
fsm ipxcp_fsm[NUM_PPP]; /* IPXCP fsm structure */
ipxcp_up, /* Called when fsm reaches OPENED state */
ipxcp_down, /* Called when fsm leaves OPENED state */
NULL, /* Called when we want the lower layer up */
- NULL, /* Called when we want the lower layer down */
+ ipxcp_finished, /* Called when we want the lower layer down */
NULL, /* Called when Protocol-Reject received */
NULL, /* Retransmission is necessary */
NULL, /* Called to handle protocol-specific codes */
"IPXCP" /* String name of protocol */
};
+/*
+ * Command-line options.
+ */
+static int setipxnode __P((char **));
+static int setipxname __P((char **));
+
+static option_t ipxcp_option_list[] = {
+ { "ipx", o_bool, &ipxcp_protent.enabled_flag,
+ "Enable IPXCP (and IPX)", 1 },
+ { "+ipx", o_bool, &ipxcp_protent.enabled_flag,
+ "Enable IPXCP (and IPX)", 1 },
+ { "noipx", o_bool, &ipxcp_protent.enabled_flag,
+ "Disable IPXCP (and IPX)" },
+ { "-ipx", o_bool, &ipxcp_protent.enabled_flag,
+ "Disable IPXCP (and IPX)" } ,
+ { "ipx-network", o_uint32, &ipxcp_wantoptions[0].our_network,
+ "Set our IPX network number", 0, &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", OPT_MULTIPART },
+ { "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,
+ &ipxcp_wantoptions[0].neg_router },
+ { "ipx-router-name", o_special, setipxname,
+ "Set IPX router name" },
+ { "ipxcp-restart", o_int, &ipxcp_fsm[0].timeouttime,
+ "Set timeout for IPXCP" },
+ { "ipxcp-max-terminate", o_int, &ipxcp_fsm[0].maxtermtransmits,
+ "Set max #xmits for IPXCP term-reqs" },
+ { "ipxcp-max-configure", o_int, &ipxcp_fsm[0].maxconfreqtransmits,
+ "Set max #xmits for IPXCP conf-reqs" },
+ { "ipxcp-max-failure", o_int, &ipxcp_fsm[0].maxnakloops,
+ "Set max #conf-naks for IPXCP" },
+ { NULL }
+};
+
/*
* Protocol entry points.
*/
NULL,
0,
"IPXCP",
+ "IPX",
+ ipxcp_option_list,
NULL,
NULL,
NULL
#define CODENAME(x) ((x) == CONFACK ? "ACK" : \
(x) == CONFNAK ? "NAK" : "REJ")
+static int ipxcp_is_up;
+
+static char *ipx_ntoa __P((u_int32_t));
+
/* Used in printing the node number */
#define NODE(base) base[0], base[1], base[2], base[3], base[4], base[5]
{
short int external;
- if (internal & IPX_NONE)
+ if (internal & BIT(IPX_NONE) )
external = IPX_NONE;
else
external = RIP_SAP;
* Make a string representation of a network IP address.
*/
-char *
+static char *
ipx_ntoa(ipxaddr)
u_int32_t ipxaddr;
{
static char b[64];
- sprintf(b, "%lx", ipxaddr);
+ slprintf(b, sizeof(b), "%x", ipxaddr);
return b;
}
+static u_char *
+setipxnodevalue(src,dst)
+u_char *src, *dst;
+{
+ int indx;
+ int item;
+
+ for (;;) {
+ if (!isxdigit (*src))
+ break;
+
+ for (indx = 0; indx < 5; ++indx) {
+ dst[indx] <<= 4;
+ dst[indx] |= (dst[indx + 1] >> 4) & 0x0F;
+ }
+
+ item = toupper (*src) - '0';
+ if (item > 9)
+ item -= 7;
+
+ dst[5] = (dst[5] << 4) | item;
+ ++src;
+ }
+ return src;
+}
+
+static int
+setipxnode(argv)
+ char **argv;
+{
+ char *end;
+ int have_his = 0;
+ u_char our_node[6];
+ u_char his_node[6];
+ static int prio_our, prio_his;
+
+ memset (our_node, 0, 6);
+ memset (his_node, 0, 6);
+
+ end = setipxnodevalue (*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 >= prio_our) {
+ memcpy(&ipxcp_wantoptions[0].our_node[0], our_node, 6);
+ prio_our = option_priority;
+ }
+ if (have_his && option_priority >= prio_his) {
+ memcpy(&ipxcp_wantoptions[0].his_node[0], his_node, 6);
+ prio_his = option_priority;
+ }
+ return 1;
+ }
+
+ option_error("invalid parameter '%s' for ipx-node option", *argv);
+ return 0;
+}
+
+static int
+setipxname (argv)
+ char **argv;
+{
+ char *dest = ipxcp_wantoptions[0].name;
+ char *src = *argv;
+ int count;
+ char ch;
+
+ ipxcp_wantoptions[0].neg_name = 1;
+ ipxcp_allowoptions[0].neg_name = 1;
+ memset (dest, '\0', sizeof (ipxcp_wantoptions[0].name));
+
+ count = 0;
+ while (*src) {
+ ch = *src++;
+ if (! isalnum (ch) && ch != '_') {
+ option_error("IPX router name must be alphanumeric or _");
+ return 0;
+ }
+
+ if (count >= sizeof (ipxcp_wantoptions[0].name)) {
+ option_error("IPX router name is limited to %d characters",
+ sizeof (ipxcp_wantoptions[0].name) - 1);
+ return 0;
+ }
+
+ dest[count++] = toupper (ch);
+ }
+
+ return 1;
+}
+
/*
* ipxcp_init - Initialize IPXCP.
*/
ipxcp_resetci(f)
fsm *f;
{
- u_int32_t network;
- int unit = f->unit;
-
wo->req_node = wo->neg_node && ao->neg_node;
wo->req_nn = wo->neg_nn && ao->neg_nn;
ipxcp_cilen(f)
fsm *f;
{
- int unit = f->unit;
int len;
len = go->neg_nn ? CILEN_NETN : 0;
u_char *ucp;
int *lenp;
{
- int len = *lenp;
- int unit = f->unit;
/*
* Add the options to the record.
*/
u_char *p;
int len;
{
- int unit = f->unit;
u_short cilen, citype, cishort;
u_char cichar;
u_int32_t cilong;
ACKCINETWORK (IPX_NETWORK_NUMBER, go->neg_nn, go->our_network);
ACKCINODE (IPX_NODE_NUMBER, go->neg_node, go->our_node);
ACKCINAME (IPX_ROUTER_NAME, go->neg_name, go->name);
- ACKCIPROTO (IPX_ROUTER_PROTOCOL, go->neg_router, go->router);
- ACKCIPROTO (IPX_ROUTER_PROTOCOL, go->neg_router, go->router);
- ACKCIPROTO (IPX_ROUTER_PROTOCOL, go->neg_router, go->router);
+ if (len > 0)
+ ACKCIPROTO (IPX_ROUTER_PROTOCOL, go->neg_router, go->router);
/*
* This is the end of the record.
*/
/*
* The frame is invalid
*/
- IPXCPDEBUG((LOG_INFO, "ipxcp_ackci: received bad Ack!"));
+ IPXCPDEBUG(("ipxcp_ackci: received bad Ack!"));
return (0);
}
u_char *p;
int len;
{
- int unit = f->unit;
u_char citype, cilen, *next;
u_short s;
u_int32_t l;
no.neg_nn = 1;
GETLONG(l, p);
- IPXCPDEBUG((LOG_INFO, "local IP address %d", l));
if (l && ao->accept_network)
try.our_network = l;
break;
goto bad;
no.neg_node = 1;
- IPXCPDEBUG((LOG_INFO,
- "local node number %02X%02X%02X%02X%02X%02X",
- NODE(p)));
-
if (!zero_node (p) && ao->accept_local &&
! compare_node (p, ho->his_node))
copy_node (p, try.our_node);
no.router |= s;
try.router |= s;
try.neg_router = 1;
-
- IPXCPDEBUG((LOG_INFO, "Router protocol number %d", s));
break;
/* These, according to the RFC, must never be NAKed. */
p = next;
}
- /* If there is still anything left, this packet is bad. */
- if (len != 0)
- goto bad;
-
/*
* Do not permit the peer to force a router protocol which we do not
* support. However, default to the condition that will accept "NONE".
/*
* OK, the Nak is good. Now we can update state.
+ * If there are any options left, we ignore them.
*/
if (f->state != OPENED)
*go = try;
return 1;
bad:
- IPXCPDEBUG((LOG_INFO, "ipxcp_nakci: received bad Nak!"));
+ IPXCPDEBUG(("ipxcp_nakci: received bad Nak!"));
return 0;
}
u_char *p;
int len;
{
- int unit = f->unit;
u_short cilen, citype, cishort;
u_char cichar;
u_int32_t cilong;
GETLONG(cilong, p); \
if (cilong != val) \
break; \
- IPXCPDEBUG((LOG_INFO,"ipxcp_rejci rejected long opt %d", opt)); \
neg = 0; \
}
}\
if (indx != count) \
break; \
- IPXCPDEBUG((LOG_INFO,"ipxcp_rejci rejected opt %d", opt)); \
neg = 0; \
}
GETCHAR(cilen, p); \
if (cilen != CILEN_VOID || citype != opt) \
break; \
- IPXCPDEBUG((LOG_INFO, "ipxcp_rejci rejected void opt %d", opt)); \
neg = 0; \
}
GETSHORT(cishort, p); \
if (cishort != to_external (val) || cishort == RIP_SAP) \
break; \
- IPXCPDEBUG((LOG_INFO, "ipxcp_rejci short opt %d", opt)); \
neg = 0; \
}
/*
/*
* The frame is invalid at this point.
*/
- IPXCPDEBUG((LOG_INFO, "ipxcp_rejci: received bad Reject!"));
+ IPXCPDEBUG(("ipxcp_rejci: received bad Reject!"));
return 0;
}
int *len; /* Length of requested CIs */
int reject_if_disagree;
{
- int unit = f->unit;
u_char *cip, *next; /* Pointer to current and next CIs */
u_short cilen, citype; /* Parsed len, type */
- u_short cishort, ts; /* Parsed short value */
- u_int32_t tl, cinetwork, outnet;/* Parsed address values */
+ u_short cishort; /* Parsed short value */
+ u_int32_t cinetwork; /* 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 */
u_char *ucp = inp; /* Pointer to current output char */
int l = *len; /* Length left */
- u_char maxslotindex, cflag;
/*
* Reset all his options.
if (l < 2 || /* Not enough data for CI header or */
p[1] < 2 || /* CI length too small or */
p[1] > l) { /* CI length too big? */
- IPXCPDEBUG((LOG_INFO, "ipxcp_reqci: bad CI length!"));
+ IPXCPDEBUG(("ipxcp_reqci: bad CI length!"));
orc = CONFREJ; /* Reject bad CI */
cilen = l; /* Reject till end of packet */
l = 0; /* Don't loop again */
* The network number must match. Choose the larger of the two.
*/
case IPX_NETWORK_NUMBER:
- IPXCPDEBUG((LOG_INFO, "ipxcp: received Network Number request"));
-
/* if we wont negotiate the network number or the length is wrong
then reject the option */
if ( !ao->neg_nn || cilen != CILEN_NETN ) {
break;
}
GETLONG(cinetwork, p);
- IPXCPDEBUG((LOG_INFO,"Remote proposed IPX network number is %8Lx",tl));
/* If the network numbers match then acknowledge them. */
if (cinetwork != 0) {
* The node number is required
*/
case IPX_NODE_NUMBER:
- IPXCPDEBUG((LOG_INFO, "ipxcp: received Node Number request"));
-
/* if we wont negotiate the node number or the length is wrong
then reject the option */
if ( cilen != CILEN_NODEN ) {
* Compression is not desired at this time. It is always rejected.
*/
case IPX_COMPRESSION_PROTOCOL:
- IPXCPDEBUG((LOG_INFO, "ipxcp: received Compression Protocol request "));
orc = CONFREJ;
break;
/*
}
GETSHORT (cishort, p);
- IPXCPDEBUG((LOG_INFO,
- "Remote router protocol number 0x%04x",
- cishort));
if (wo->neg_router == 0) {
wo->neg_router = 1;
* The router name is advisorary. Just accept it if it is not too large.
*/
case IPX_ROUTER_NAME:
- IPXCPDEBUG((LOG_INFO, "ipxcp: received Router Name request"));
if (cilen >= CILEN_NAME) {
int name_size = cilen - CILEN_NAME;
if (name_size > sizeof (ho->name))
* This is advisorary.
*/
case IPX_COMPLETE:
- IPXCPDEBUG((LOG_INFO, "ipxcp: received Complete request"));
if (cilen != CILEN_COMPLETE)
orc = CONFREJ;
else {
* All other entries are not known at this time.
*/
default:
- IPXCPDEBUG((LOG_INFO, "ipxcp: received Complete request"));
orc = CONFREJ;
break;
}
-
endswitch:
- IPXCPDEBUG((LOG_INFO, " (%s)\n", CODENAME(orc)));
-
if (orc == CONFACK && /* Good CI */
rc != CONFACK) /* but prior CI wasnt? */
continue; /* Don't send this one */
if (rc != CONFREJ && !ho->neg_node &&
wo->req_nn && !reject_if_disagree) {
- u_char *ps;
if (rc == CONFACK) {
rc = CONFNAK;
wo->req_nn = 0; /* don't ask again */
}
*len = ucp - inp; /* Compute output length */
- IPXCPDEBUG((LOG_INFO, "ipxcp: returning Configure-%s", CODENAME(rc)));
+ IPXCPDEBUG(("ipxcp: returning Configure-%s", CODENAME(rc)));
return (rc); /* Return final code */
}
{
int unit = f->unit;
- IPXCPDEBUG((LOG_INFO, "ipxcp: up"));
+ IPXCPDEBUG(("ipxcp: up"));
/* The default router protocol is RIP/SAP. */
if (ho->router == 0)
if (zero_node (go->our_node)) {
static char errmsg[] = "Could not determine local IPX node address";
- IPXCPDEBUG((LOG_ERR, errmsg));
+ if (debug)
+ error(errmsg);
ipxcp_close(f->unit, errmsg);
return;
}
if (go->network == 0) {
static char errmsg[] = "Can not determine network number";
- IPXCPDEBUG((LOG_ERR, errmsg));
+ if (debug)
+ error(errmsg);
ipxcp_close (unit, errmsg);
return;
}
/* bring the interface up */
if (!sifup(unit)) {
- IPXCPDEBUG((LOG_WARNING, "sifup failed"));
+ if (debug)
+ warn("sifup failed (IPX)");
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)) {
- IPXCPDEBUG((LOG_WARNING, "sipxfaddr failed"));
+ if (debug)
+ warn("sipxfaddr failed");
ipxcp_close(unit, "Interface configuration failed");
return;
}
+ np_up(f->unit, PPP_IPX);
+
/*
* Execute the ipx-up script, like this:
* /etc/ppp/ipx-up interface tty speed local-IPX remote-IPX
ipxcp_down(f)
fsm *f;
{
- u_int32_t ournn, network;
+ IPXCPDEBUG(("ipxcp: down"));
- IPXCPDEBUG((LOG_INFO, "ipxcp: down"));
-
- 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;
+{
+ np_finished(f->unit, PPP_IPX);
+}
+
+
/*
* ipxcp_script - Execute a script with arguments
* interface-name tty-name speed local-IPX remote-IPX networks.
fsm *f;
char *script;
{
- int unit = f->unit;
char strspeed[32], strlocal[32], strremote[32];
char strnetwork[32], strpid[32];
char *argv[14], strproto_lcl[32], strproto_rmt[32];
- sprintf (strpid, "%d", getpid());
- sprintf (strspeed, "%d", baud_rate);
+ slprintf(strpid, sizeof(strpid), "%d", getpid());
+ slprintf(strspeed, sizeof(strspeed),"%d", baud_rate);
strproto_lcl[0] = '\0';
if (go->neg_router && ((go->router & BIT(IPX_NONE)) == 0)) {
if (go->router & BIT(RIP_SAP))
- strcpy (strproto_lcl, "RIP ");
+ strlcpy (strproto_lcl, "RIP ", sizeof(strproto_lcl));
if (go->router & BIT(NLSP))
- strcat (strproto_lcl, "NLSP ");
+ strlcat (strproto_lcl, "NLSP ", sizeof(strproto_lcl));
}
if (strproto_lcl[0] == '\0')
- strcpy (strproto_lcl, "NONE ");
+ strlcpy (strproto_lcl, "NONE ", sizeof(strproto_lcl));
strproto_lcl[strlen (strproto_lcl)-1] = '\0';
strproto_rmt[0] = '\0';
if (ho->neg_router && ((ho->router & BIT(IPX_NONE)) == 0)) {
if (ho->router & BIT(RIP_SAP))
- strcpy (strproto_rmt, "RIP ");
+ strlcpy (strproto_rmt, "RIP ", sizeof(strproto_rmt));
if (ho->router & BIT(NLSP))
- strcat (strproto_rmt, "NLSP ");
+ strlcat (strproto_rmt, "NLSP ", sizeof(strproto_rmt));
}
if (strproto_rmt[0] == '\0')
- strcpy (strproto_rmt, "NONE ");
+ strlcpy (strproto_rmt, "NONE ", sizeof(strproto_rmt));
strproto_rmt[strlen (strproto_rmt)-1] = '\0';
- strcpy (strnetwork, ipx_ntoa (go->network));
+ strlcpy (strnetwork, ipx_ntoa (go->network), sizeof(strnetwork));
- sprintf (strlocal,
- "%02X%02X%02X%02X%02X%02X",
- NODE(go->our_node));
+ slprintf (strlocal, sizeof(strlocal), "%0.6B", go->our_node);
- sprintf (strremote,
- "%02X%02X%02X%02X%02X%02X",
- NODE(ho->his_node));
+ slprintf (strremote, sizeof(strremote), "%0.6B", ho->his_node);
argv[0] = script;
argv[1] = ifname;
argv[11] = ipparam;
argv[12] = strpid;
argv[13] = NULL;
- run_program(script, argv, 0);
+ run_program(script, argv, 0, NULL, NULL);
}
/*
projects / ppp.git / blobdiff