home
***
CD-ROM
|
disk
|
FTP
|
other
***
search
/
QRZ! Ham Radio 8
/
QRZ Ham Radio Callsign Database - Volume 8.iso
/
mac
/
files
/
t_sys5
/
unixcpio.gz
/
unixnet.cpio
/
ipcmd.c
< prev
next >
Wrap
C/C++ Source or Header
|
1994-07-11
|
5KB
|
243 lines
/* IP-related user commands */
#include <stdio.h>
#include "global.h"
#include "mbuf.h"
#include "internet.h"
#include "timer.h"
#include "netuser.h"
#include "iface.h"
#include "ip.h"
#include "cmdparse.h"
int doipaddr(),doipstat(),dottl();
extern char badhost[];
struct cmds ipcmds[] = {
"address", doipaddr, 0, NULLCHAR, NULLCHAR,
"status", doipstat, 0, NULLCHAR, NULLCHAR,
"ttl", dottl, 0, NULLCHAR, NULLCHAR,
NULLCHAR, NULLFP, 0,
"ip subcommands: address status ttl", NULLCHAR,
};
doip(argc,argv)
int argc;
char *argv[];
{
return subcmd(ipcmds,argc,argv);
}
int
doipaddr(argc,argv)
int argc;
char *argv[];
{
char *inet_ntoa();
int32 n;
if(argc < 2) {
printf("%s\n",inet_ntoa(ip_addr));
} else if((n = resolve(argv[1])) == 0){
printf(badhost,argv[1]);
return 1;
} else
ip_addr = n;
return 0;
}
int
dottl(argc,argv)
char *argv[];
{
if(argc < 2)
printf("%u\n",uchar(ip_ttl));
else
ip_ttl = atoi(argv[1]);
return 0;
}
/* "route" subcommands */
int doadd(),dodrop();
static struct cmds rtcmds[] = {
"add", doadd, 3,
"route add <dest addr>[/<bits>] <if name> [gateway] [metric]",
"Add failed",
"drop", dodrop, 2,
"route drop <dest addr>[/<bits>]",
"Not in table",
NULLCHAR, NULLFP, 0,
"route subcommands: add, drop",
NULLCHAR,
};
/* Display and/or manipulate routing table */
int
doroute(argc,argv)
int argc;
char *argv[];
{
if(argc < 2){
dumproute();
return 0;
}
return subcmd(rtcmds,argc,argv);
}
/* Add an entry to the routing table
* E.g., "add 1.2.3.4 ax0 5.6.7.8 3"
*/
int
doadd(argc,argv)
int argc;
char *argv[];
{
struct interface *ifp;
int32 dest,gateway;
unsigned bits;
char *bitp;
int metric;
if(strcmp(argv[1],"default") == 0){
dest = 0;
bits = 0;
} else {
if((dest = resolve(argv[1])) == 0){
printf(badhost,argv[1]);
return 1;
}
/* If IP address is followed by an optional slash and
* a length field, (e.g., 128.96/16) get it;
* otherwise assume a full 32-bit address
*/
if((bitp = index(argv[1],'/')) != NULLCHAR){
bitp++;
bits = atoi(bitp);
} else
bits = 32;
}
for(ifp=ifaces;ifp != NULLIF;ifp = ifp->next){
if(strcmp(argv[2],ifp->name) == 0)
break;
}
if(ifp == NULLIF){
printf("Interface \"%s\" unknown\n",argv[2]);
return 1;
}
if(argc > 3){
if((gateway = resolve(argv[3])) == 0){
printf(badhost,argv[3]);
return 1;
}
} else {
gateway = 0;
}
if(argc > 4)
metric = atoi(argv[4]);
else
metric = 0;
rt_add(dest,bits,gateway,metric,ifp);
return 0;
}
/* Drop an entry from the routing table
* E.g., "drop 128.96/16
*/
/*ARGSUSED*/
int
dodrop(argc,argv)
int argc;
char *argv[];
{
char *bitp;
unsigned bits;
int32 n;
if(strcmp(argv[1],"default") == 0){
n = 0;
bits = 0;
} else {
/* If IP address is followed by an optional slash and length field,
* (e.g., 128.96/16) get it; otherwise assume a full 32-bit address
*/
if((bitp = index(argv[1],'/')) != NULLCHAR){
bitp++;
bits = atoi(bitp);
} else
bits = 32;
if((n = resolve(argv[1])) == 0){
printf(badhost,argv[1]);
return 1;
}
}
return rt_drop(n,bits);
}
/* Dump IP routing table
* Dest Length Interface Gateway Metric
* 192.001.002.003 32 sl0 192.002.003.004 4
*/
int
dumproute()
{
register unsigned int i,bits;
register struct route *rp;
printf("Dest Length Interface Gateway Metric\n");
if(r_default.interface != NULLIF){
printf("default 0 %-13s",
r_default.interface->name);
if(r_default.gateway != 0)
printf("%-17s",inet_ntoa(r_default.gateway));
else
printf("%-17s","");
printf("%6u\n",r_default.metric);
}
for(bits=1;bits<=32;bits++){
for(i=0;i<NROUTE;i++){
for(rp = routes[bits-1][i];rp != NULLROUTE;rp = rp->next){
printf("%-18s",inet_ntoa(rp->target));
printf("%-10u",bits);
printf("%-13s",rp->interface->name);
if(rp->gateway != 0)
printf("%-17s",inet_ntoa(rp->gateway));
else
printf("%-17s","");
printf("%6u\n",rp->metric);
}
}
}
return 0;
}
/*ARGSUSED*/
int
doipstat(argc,argv)
int argc;
char *argv[];
{
extern struct ip_stats ip_stats;
extern struct reasm *reasmq;
register struct reasm *rp;
register struct frag *fp;
char *inet_ntoa();
printf("IP: total %ld runt %u len err %u vers err %u",
ip_stats.total,ip_stats.runt,ip_stats.length,ip_stats.version);
printf(" chksum err %u badproto %u\n",
ip_stats.checksum,ip_stats.badproto);
if(reasmq != NULLREASM)
printf("Reassembly fragments:\n");
for(rp = reasmq;rp != NULLREASM;rp = rp->next){
printf("src %s",inet_ntoa(rp->source));
printf(" dest %s",inet_ntoa(rp->dest));
printf(" id %u pctl %u time %lu len %u\n",
rp->id,uchar(rp->protocol),rp->timer.count,rp->length);
for(fp = rp->fraglist;fp != NULLFRAG;fp = fp->next){
printf(" offset %u last %u\n",fp->offset,fp->last);
}
}
doicmpstat();
return 0;
}