* Foundation; either version 2 of the License, or (at
* your option) any later version.
*
- * $Id: route.c,v 1.17 2002/07/03 11:46:34 andersen Exp $
+ * $Id: route.c,v 1.18 2002/08/22 18:24:43 bug1 Exp $
*
* displayroute() code added by Vladimir N. Oleynik <dzo@simtreas.ru>
* adjustments by Larry Doolittle <LRDoolittle@lbl.gov>
#include "inet_common.h"
#include <net/route.h>
#include <net/if.h>
-#include <linux/param.h> // HZ
+#include <linux/param.h> /* HZ */
#include <stdio.h>
#include <errno.h>
#include <fcntl.h>
#define E_INTERN 2
#define E_NOSUPP 1
-#if defined (SIOCADDRTOLD) || defined (RTF_IRTT) /* route */
+#if defined (SIOCADDRTOLD) || defined (RTF_IRTT) /* route */
#define HAVE_NEW_ADDRT 1
#endif
-#ifdef RTF_IRTT /* route */
+#ifdef RTF_IRTT /* route */
#define HAVE_RTF_IRTT 1
#endif
-#ifdef RTF_REJECT /* route */
+#ifdef RTF_REJECT /* route */
#define HAVE_RTF_REJECT 1
#endif
/* add or delete a route depending on action */
-static int
-INET_setroute(int action, int options, char **args)
+static int INET_setroute(int action, int options, char **args)
{
struct rtentry rt;
char target[128], gateway[128] = "NONE";
xflag = 0;
if (*args == NULL)
- show_usage();
- if (strcmp(*args, "-net")==0) {
+ show_usage();
+ if (strcmp(*args, "-net") == 0) {
xflag = 1;
args++;
- } else if (strcmp(*args, "-host")==0) {
+ } else if (strcmp(*args, "-host") == 0) {
xflag = 2;
args++;
}
if (*args == NULL)
- show_usage();
+ show_usage();
safe_strncpy(target, *args++, (sizeof target));
/* Clean out the RTREQ structure. */
memset((char *) &rt, 0, sizeof(struct rtentry));
- if ((isnet = INET_resolve(target, (struct sockaddr_in *)&rt.rt_dst, xflag!=1)) < 0) {
+ if ((isnet =
+ INET_resolve(target, (struct sockaddr_in *) &rt.rt_dst,
+ xflag != 1)) < 0) {
error_msg(_("can't resolve %s"), target);
- return EXIT_FAILURE; /* XXX change to E_something */
+ return EXIT_FAILURE; /* XXX change to E_something */
}
switch (xflag) {
- case 1:
- isnet = 1;
- break;
+ case 1:
+ isnet = 1;
+ break;
- case 2:
- isnet = 0;
- break;
+ case 2:
+ isnet = 0;
+ break;
- default:
- break;
+ default:
+ break;
}
/* Fill in the other fields. */
rt.rt_flags &= ~RTF_HOST;
while (*args) {
- if (strcmp(*args, "metric")==0) {
+ if (strcmp(*args, "metric") == 0) {
int metric;
args++;
#if HAVE_NEW_ADDRT
rt.rt_metric = metric + 1;
#else
- ENOSUPP("inet_setroute", "NEW_ADDRT (metric)"); /* XXX Fixme */
+ ENOSUPP("inet_setroute", "NEW_ADDRT (metric)"); /* XXX Fixme */
#endif
args++;
continue;
}
- if (strcmp(*args, "netmask")==0) {
+ if (strcmp(*args, "netmask") == 0) {
struct sockaddr mask;
args++;
if (!*args || mask_in_addr(rt))
show_usage();
netmask = *args;
- if ((isnet = INET_resolve(netmask, (struct sockaddr_in *)&mask, 0)) < 0) {
+ if ((isnet =
+ INET_resolve(netmask, (struct sockaddr_in *) &mask,
+ 0)) < 0) {
error_msg(_("can't resolve netmask %s"), netmask);
return E_LOOKUP;
}
continue;
}
- if (strcmp(*args, "gw")==0 || strcmp(*args, "gateway")==0) {
+ if (strcmp(*args, "gw") == 0 || strcmp(*args, "gateway") == 0) {
args++;
if (!*args)
show_usage();
if (rt.rt_flags & RTF_GATEWAY)
show_usage();
safe_strncpy(gateway, *args, (sizeof gateway));
- if ((isnet = INET_resolve(gateway, (struct sockaddr_in *)&rt.rt_gateway, 1)) < 0) {
+ if ((isnet =
+ INET_resolve(gateway, (struct sockaddr_in *) &rt.rt_gateway,
+ 1)) < 0) {
error_msg(_("can't resolve gw %s"), gateway);
return E_LOOKUP;
}
if (isnet) {
- error_msg(
- _("%s: cannot use a NETWORK as gateway!"),
- gateway);
+ error_msg(_("%s: cannot use a NETWORK as gateway!"), gateway);
return E_OPTERR;
}
rt.rt_flags |= RTF_GATEWAY;
continue;
}
- if (strcmp(*args, "mss")==0) {
+ if (strcmp(*args, "mss") == 0) {
args++;
rt.rt_flags |= RTF_MSS;
if (!*args)
continue;
}
- if (strcmp(*args, "window")==0) {
+ if (strcmp(*args, "window") == 0) {
args++;
if (!*args)
show_usage();
continue;
}
- if (strcmp(*args, "irtt")==0) {
+ if (strcmp(*args, "irtt") == 0) {
args++;
if (!*args)
show_usage();
#if HAVE_RTF_IRTT
rt.rt_flags |= RTF_IRTT;
rt.rt_irtt = atoi(*(args - 1));
- rt.rt_irtt *= (HZ / 100); /* FIXME */
-#if 0 /* FIXME: do we need to check anything of this? */
+ rt.rt_irtt *= (HZ / 100); /* FIXME */
+#if 0 /* FIXME: do we need to check anything of this? */
if (rt.rt_irtt < 1 || rt.rt_irtt > (120 * HZ)) {
error_msg(_("Invalid initial rtt."));
return E_OPTERR;
}
#endif
#else
- ENOSUPP("inet_setroute", "RTF_IRTT"); /* XXX Fixme */
+ ENOSUPP("inet_setroute", "RTF_IRTT"); /* XXX Fixme */
#endif
continue;
}
- if (strcmp(*args, "reject")==0) {
+ if (strcmp(*args, "reject") == 0) {
args++;
#if HAVE_RTF_REJECT
rt.rt_flags |= RTF_REJECT;
#else
- ENOSUPP("inet_setroute", "RTF_REJECT"); /* XXX Fixme */
+ ENOSUPP("inet_setroute", "RTF_REJECT"); /* XXX Fixme */
#endif
continue;
}
- if (strcmp(*args, "mod")==0) {
+ if (strcmp(*args, "mod") == 0) {
args++;
rt.rt_flags |= RTF_MODIFIED;
continue;
}
- if (strcmp(*args, "dyn")==0) {
+ if (strcmp(*args, "dyn") == 0) {
args++;
rt.rt_flags |= RTF_DYNAMIC;
continue;
}
- if (strcmp(*args, "reinstate")==0) {
+ if (strcmp(*args, "reinstate") == 0) {
args++;
rt.rt_flags |= RTF_REINSTATE;
continue;
}
- if (strcmp(*args, "device")==0 || strcmp(*args, "dev")==0) {
+ if (strcmp(*args, "device") == 0 || strcmp(*args, "dev") == 0) {
args++;
if (rt.rt_dev || *args == NULL)
show_usage();
if (!rt.rt_dev) {
rt.rt_dev = *args++;
if (*args)
- show_usage(); /* must be last to catch typos */
+ show_usage(); /* must be last to catch typos */
} else {
show_usage();
}
/* sanity checks.. */
if (mask_in_addr(rt)) {
unsigned long mask = mask_in_addr(rt);
+
mask = ~ntohl(mask);
if ((rt.rt_flags & RTF_HOST) && mask != 0xffffffff) {
- error_msg(
- _("netmask %.8x doesn't make sense with host route"),
- (unsigned int)mask);
+ error_msg(_("netmask %.8x doesn't make sense with host route"),
+ (unsigned int) mask);
return E_OPTERR;
}
if (mask & (mask + 1)) {
} else {
prefix_len = 128;
}
- if (INET6_resolve(target, (struct sockaddr_in6 *)&sa6) < 0) {
+ if (INET6_resolve(target, (struct sockaddr_in6 *) &sa6) < 0) {
error_msg(_("can't resolve %s"), target);
- return EXIT_FAILURE; /* XXX change to E_something */
+ return EXIT_FAILURE; /* XXX change to E_something */
}
}
if (rt.rtmsg_flags & RTF_GATEWAY)
show_usage();
strcpy(gateway, *args);
- if (INET6_resolve(gateway, (struct sockaddr_in6 *)&sa6) < 0) {
+ if (INET6_resolve(gateway, (struct sockaddr_in6 *) &sa6) < 0) {
error_msg(_("can't resolve gw %s"), gateway);
return (E_LOOKUP);
}
memcpy(&rt.rtmsg_gateway, sa6.sin6_addr.s6_addr,
- sizeof(struct in6_addr));
+ sizeof(struct in6_addr));
rt.rtmsg_flags |= RTF_GATEWAY;
args++;
continue;
#ifndef RTF_UP
/* Keep this in sync with /usr/src/linux/include/linux/route.h */
-#define RTF_UP 0x0001 /* route usable */
-#define RTF_GATEWAY 0x0002 /* destination is a gateway */
-#define RTF_HOST 0x0004 /* host entry (net otherwise) */
-#define RTF_REINSTATE 0x0008 /* reinstate route after tmout */
-#define RTF_DYNAMIC 0x0010 /* created dyn. (by redirect) */
-#define RTF_MODIFIED 0x0020 /* modified dyn. (by redirect) */
-#define RTF_MTU 0x0040 /* specific MTU for this route */
+#define RTF_UP 0x0001 /* route usable */
+#define RTF_GATEWAY 0x0002 /* destination is a gateway */
+#define RTF_HOST 0x0004 /* host entry (net otherwise) */
+#define RTF_REINSTATE 0x0008 /* reinstate route after tmout */
+#define RTF_DYNAMIC 0x0010 /* created dyn. (by redirect) */
+#define RTF_MODIFIED 0x0020 /* modified dyn. (by redirect) */
+#define RTF_MTU 0x0040 /* specific MTU for this route */
#ifndef RTF_MSS
-#define RTF_MSS RTF_MTU /* Compatibility :-( */
+#define RTF_MSS RTF_MTU /* Compatibility :-( */
#endif
-#define RTF_WINDOW 0x0080 /* per route window clamping */
-#define RTF_IRTT 0x0100 /* Initial round trip time */
-#define RTF_REJECT 0x0200 /* Reject route */
+#define RTF_WINDOW 0x0080 /* per route window clamping */
+#define RTF_IRTT 0x0100 /* Initial round trip time */
+#define RTF_REJECT 0x0200 /* Reject route */
#endif
void displayroutes(int noresolve, int netstatfmt)
{
char buff[256];
- int nl = 0 ;
+ int nl = 0;
struct in_addr dest;
struct in_addr gw;
struct in_addr mask;
int flgs, ref, use, metric, mtu, win, ir;
char flags[64];
- unsigned long int d,g,m;
+ unsigned long int d, g, m;
char sdest[16], sgw[16];
FILE *fp = xfopen("/proc/net/route", "r");
- if(noresolve)
+ if (noresolve)
noresolve = 0x0fff;
- while( fgets(buff, sizeof(buff), fp) != NULL ) {
- if(nl) {
+ while (fgets(buff, sizeof(buff), fp) != NULL) {
+ if (nl) {
int ifl = 0;
int numeric;
struct sockaddr_in s_addr;
- while(buff[ifl]!=' ' && buff[ifl]!='\t' && buff[ifl]!='\0')
+ while (buff[ifl] != ' ' && buff[ifl] != '\t' && buff[ifl] != '\0')
ifl++;
- buff[ifl]=0; /* interface */
- if(sscanf(buff+ifl+1, "%lx%lx%X%d%d%d%lx%d%d%d",
- &d, &g, &flgs, &ref, &use, &metric, &m, &mtu, &win, &ir )!=10) {
- error_msg_and_die( "Unsuported kernel route format\n");
+ buff[ifl] = 0; /* interface */
+ if (sscanf(buff + ifl + 1, "%lx%lx%X%d%d%d%lx%d%d%d",
+ &d, &g, &flgs, &ref, &use, &metric, &m, &mtu, &win,
+ &ir) != 10) {
+ error_msg_and_die("Unsuported kernel route format\n");
}
- if(nl==1) {
+ if (nl == 1) {
printf("Kernel IP routing table\n");
- printf("Destination Gateway Genmask Flags %s Iface\n",
- netstatfmt ? " MSS Window irtt" : "Metric Ref Use");
+ printf
+ ("Destination Gateway Genmask Flags %s Iface\n",
+ netstatfmt ? " MSS Window irtt" : "Metric Ref Use");
}
- ifl = 0; /* parse flags */
- if(flgs&RTF_UP) {
- if(flgs&RTF_REJECT)
- flags[ifl++]='!';
- else
- flags[ifl++]='U';
- if(flgs&RTF_GATEWAY)
- flags[ifl++]='G';
- if(flgs&RTF_HOST)
- flags[ifl++]='H';
- if(flgs&RTF_REINSTATE)
- flags[ifl++]='R';
- if(flgs&RTF_DYNAMIC)
- flags[ifl++]='D';
- if(flgs&RTF_MODIFIED)
- flags[ifl++]='M';
- flags[ifl]=0;
- dest.s_addr = d;
- gw.s_addr = g;
- mask.s_addr = m;
+ ifl = 0; /* parse flags */
+ if (flgs & RTF_UP) {
+ if (flgs & RTF_REJECT)
+ flags[ifl++] = '!';
+ else
+ flags[ifl++] = 'U';
+ if (flgs & RTF_GATEWAY)
+ flags[ifl++] = 'G';
+ if (flgs & RTF_HOST)
+ flags[ifl++] = 'H';
+ if (flgs & RTF_REINSTATE)
+ flags[ifl++] = 'R';
+ if (flgs & RTF_DYNAMIC)
+ flags[ifl++] = 'D';
+ if (flgs & RTF_MODIFIED)
+ flags[ifl++] = 'M';
+ flags[ifl] = 0;
+ dest.s_addr = d;
+ gw.s_addr = g;
+ mask.s_addr = m;
memset(&s_addr, 0, sizeof(struct sockaddr_in));
s_addr.sin_family = AF_INET;
s_addr.sin_addr = dest;
- numeric = noresolve | 0x8000; /* default instead of * */
+ numeric = noresolve | 0x8000; /* default instead of * */
INET_rresolve(sdest, sizeof(sdest), &s_addr, numeric, m);
- numeric = noresolve | 0x4000; /* host instead of net */
+ numeric = noresolve | 0x4000; /* host instead of net */
s_addr.sin_addr = gw;
INET_rresolve(sgw, sizeof(sgw), &s_addr, numeric, m);
- printf("%-16s%-16s%-16s%-6s", sdest, sgw, inet_ntoa(mask), flags);
- if ( netstatfmt )
- printf("%5d %-5d %6d %s\n", mtu, win, ir, buff);
- else
- printf("%-6d %-2d %7d %s\n", metric, ref, use, buff);
+ printf("%-16s%-16s%-16s%-6s", sdest, sgw, inet_ntoa(mask),
+ flags);
+ if (netstatfmt)
+ printf("%5d %-5d %6d %s\n", mtu, win, ir, buff);
+ else
+ printf("%-6d %-2d %7d %s\n", metric, ref, use, buff);
}
- }
+ }
nl++;
- }
+ }
}
#if CONFIG_FEATURE_IPV6
char addr6p[8][5], saddr6p[8][5], naddr6p[8][5];
FILE *fp = xfopen("/proc/net/ipv6_route", "r");
- flags[0]='U';
- if(noresolve)
+ flags[0] = 'U';
+
+ if (noresolve)
noresolve = 0x0fff;
- numeric = noresolve | 0x8000; /* default instead of * */
+ numeric = noresolve | 0x8000; /* default instead of * */
printf("Kernel IPv6 routing table\n"
- "Destination "
- "Next Hop "
- "Flags Metric Ref Use Iface\n");
+ "Destination "
+ "Next Hop "
+ "Flags Metric Ref Use Iface\n");
- while( fgets(buff, sizeof(buff), fp) != NULL ) {
+ while (fgets(buff, sizeof(buff), fp) != NULL) {
int ifl;
- if(sscanf(buff, "%4s%4s%4s%4s%4s%4s%4s%4s %02x "
- "%4s%4s%4s%4s%4s%4s%4s%4s %02x "
- "%4s%4s%4s%4s%4s%4s%4s%4s %08x %08x %08x %08x %s\n",
- addr6p[0], addr6p[1], addr6p[2], addr6p[3],
- addr6p[4], addr6p[5], addr6p[6], addr6p[7],
- &prefix_len,
- saddr6p[0], saddr6p[1], saddr6p[2], saddr6p[3],
- saddr6p[4], saddr6p[5], saddr6p[6], saddr6p[7],
- &slen,
- naddr6p[0], naddr6p[1], naddr6p[2], naddr6p[3],
- naddr6p[4], naddr6p[5], naddr6p[6], naddr6p[7],
- &metric, &use, &refcnt, &iflags, iface)!=31) {
- error_msg_and_die( "Unsuported kernel route format\n");
+ if (sscanf(buff, "%4s%4s%4s%4s%4s%4s%4s%4s %02x "
+ "%4s%4s%4s%4s%4s%4s%4s%4s %02x "
+ "%4s%4s%4s%4s%4s%4s%4s%4s %08x %08x %08x %08x %s\n",
+ addr6p[0], addr6p[1], addr6p[2], addr6p[3],
+ addr6p[4], addr6p[5], addr6p[6], addr6p[7],
+ &prefix_len,
+ saddr6p[0], saddr6p[1], saddr6p[2], saddr6p[3],
+ saddr6p[4], saddr6p[5], saddr6p[6], saddr6p[7],
+ &slen,
+ naddr6p[0], naddr6p[1], naddr6p[2], naddr6p[3],
+ naddr6p[4], naddr6p[5], naddr6p[6], naddr6p[7],
+ &metric, &use, &refcnt, &iflags, iface) != 31) {
+ error_msg_and_die("Unsuported kernel route format\n");
}
- ifl = 1; /* parse flags */
+ ifl = 1; /* parse flags */
if (!(iflags & RTF_UP))
continue;
if (iflags & RTF_GATEWAY)
- flags[ifl++]='G';
+ flags[ifl++] = 'G';
if (iflags & RTF_HOST)
- flags[ifl++]='H';
+ flags[ifl++] = 'H';
if (iflags & RTF_DEFAULT)
- flags[ifl++]='D';
+ flags[ifl++] = 'D';
if (iflags & RTF_ADDRCONF)
- flags[ifl++]='A';
+ flags[ifl++] = 'A';
if (iflags & RTF_CACHE)
- flags[ifl++]='C';
- flags[ifl]=0;
+ flags[ifl++] = 'C';
+ flags[ifl] = 0;
/* Fetch and resolve the target address. */
snprintf(addr6, sizeof(addr6), "%s:%s:%s:%s:%s:%s:%s:%s",
- addr6p[0], addr6p[1], addr6p[2], addr6p[3],
- addr6p[4], addr6p[5], addr6p[6], addr6p[7]);
+ addr6p[0], addr6p[1], addr6p[2], addr6p[3],
+ addr6p[4], addr6p[5], addr6p[6], addr6p[7]);
inet_pton(AF_INET6, addr6, (struct sockaddr *) &saddr6.sin6_addr);
- saddr6.sin6_family=AF_INET6;
+ saddr6.sin6_family = AF_INET6;
- INET6_rresolve(addr6, sizeof(addr6), (struct sockaddr_in6 *) &saddr6, numeric);
+ INET6_rresolve(addr6, sizeof(addr6), (struct sockaddr_in6 *) &saddr6,
+ numeric);
snprintf(addr6, sizeof(addr6), "%s/%d", addr6, prefix_len);
/* Fetch and resolve the nexthop address. */
snprintf(naddr6, sizeof(naddr6), "%s:%s:%s:%s:%s:%s:%s:%s",
- naddr6p[0], naddr6p[1], naddr6p[2], naddr6p[3],
- naddr6p[4], naddr6p[5], naddr6p[6], naddr6p[7]);
+ naddr6p[0], naddr6p[1], naddr6p[2], naddr6p[3],
+ naddr6p[4], naddr6p[5], naddr6p[6], naddr6p[7]);
inet_pton(AF_INET6, naddr6, (struct sockaddr *) &snaddr6.sin6_addr);
- snaddr6.sin6_family=AF_INET6;
+ snaddr6.sin6_family = AF_INET6;
- INET6_rresolve(naddr6, sizeof(naddr6), (struct sockaddr_in6 *) &snaddr6, numeric);
+ INET6_rresolve(naddr6, sizeof(naddr6),
+ (struct sockaddr_in6 *) &snaddr6, numeric);
/* Print the info. */
printf("%-43s %-39s %-5s %-6d %-2d %7d %-8s\n",
- addr6, naddr6, flags, metric, refcnt, use, iface);
+ addr6, naddr6, flags, metric, refcnt, use, iface);
}
}
#endif
{
int opt;
int what = 0;
+
#if CONFIG_FEATURE_IPV6
- int af=AF_INET;
+ int af = AF_INET;
#endif
- if ( !argv [1] || ( argv [1][0] == '-' )) {
+ if (!argv[1] || (argv[1][0] == '-')) {
/* check options */
int noresolve = 0;
int extended = 0;
-
+
while ((opt = getopt(argc, argv, "A:ne")) > 0) {
switch (opt) {
- case 'n':
- noresolve = 1;
- break;
- case 'e':
- extended = 1;
- break;
- case 'A':
+ case 'n':
+ noresolve = 1;
+ break;
+ case 'e':
+ extended = 1;
+ break;
+ case 'A':
#if CONFIG_FEATURE_IPV6
- if (strcmp(optarg, "inet6")==0)
- af=AF_INET6;
- break;
+ if (strcmp(optarg, "inet6") == 0)
+ af = AF_INET6;
+ break;
#endif
- default:
- show_usage ( );
+ default:
+ show_usage();
}
}
-
+
#if CONFIG_FEATURE_IPV6
- if (af==AF_INET6)
+ if (af == AF_INET6)
INET6_displayroutes(*argv != NULL);
else
#endif
- displayroutes ( noresolve, extended );
+ displayroutes(noresolve, extended);
return EXIT_SUCCESS;
} else {
/* check verb */
- if (strcmp( argv [1], "add")==0)
+ if (strcmp(argv[1], "add") == 0)
what = RTACTION_ADD;
- else if (strcmp( argv [1], "del")==0 || strcmp( argv [1], "delete")==0)
+ else if (strcmp(argv[1], "del") == 0
+ || strcmp(argv[1], "delete") == 0)
what = RTACTION_DEL;
- else if (strcmp( argv [1], "flush")==0)
+ else if (strcmp(argv[1], "flush") == 0)
what = RTACTION_FLUSH;
else
show_usage();
}
#if CONFIG_FEATURE_IPV6
- if (af==AF_INET6)
- return INET6_setroute(what, 0, argv+2);
+ if (af == AF_INET6)
+ return INET6_setroute(what, 0, argv + 2);
#endif
- return INET_setroute(what, 0, argv+2 );
+ return INET_setroute(what, 0, argv + 2);
}
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