+/* vi: set sw=4 ts=4: */
/* route
*
* Similar to the standard Unix route, but with only the necessary
* Fred N. van Kempen, <waltje@uwalt.nl.mugnet.org>
* (derived from FvK's 'route.c 1.70 01/04/94')
*
- * This program is free software; you can redistribute it
- * and/or modify it under the terms of the GNU General
- * Public License as published by the Free Software
- * Foundation; either version 2 of the License, or (at
- * your option) any later version.
+ * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
*
* $Id: route.c,v 1.26 2004/03/19 23:27:08 mjn3 Exp $
*
* remove ridiculous amounts of bloat.
*/
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <errno.h>
-#include <assert.h>
-#include <unistd.h>
-#include <fcntl.h>
+#include "busybox.h"
+#include "inet_common.h"
#include <getopt.h>
-#include <sys/types.h>
-#include <sys/ioctl.h>
#include <net/route.h>
#include <net/if.h>
-#include "busybox.h"
-#include "inet_common.h"
+
#ifndef RTF_UP
/* Keep this in sync with /usr/src/linux/include/linux/route.h */
/* We remap '-' to '#' to avoid problems with getopt. */
static const char tbl_hash_net_host[] =
"\007\001#net\0"
-/* "\010\002#host\0" */
+/* "\010\002#host\0" */
"\007\002#host" /* Since last, we can save a byte. */
;
#endif
"\006\041mod\0"
"\006\042dyn\0"
-/* "\014\043reinstate\0" */
+/* "\014\043reinstate\0" */
"\013\043reinstate" /* Since last, we can save a byte. */
;
static void INET_setroute(int action, char **args)
{
struct rtentry rt;
- const char *netmask;
+ const char *netmask = NULL;
int skfd, isnet, xflag;
- assert((action == RTACTION_ADD) || (action == RTACTION_DEL));
-
/* Grab the -net or -host options. Remember they were transformed. */
xflag = kw_lookup(tbl_hash_net_host, &args);
{
const char *target = *args++;
+ char *prefix;
+ /* recognize x.x.x.x/mask format. */
+ prefix = strchr(target, '/');
+ if(prefix) {
+ int prefix_len;
+
+ prefix_len = xatoul_range(prefix+1, 0, 32);
+ mask_in_addr(rt) = htonl( ~ (0xffffffffUL >> prefix_len));
+ *prefix = '\0';
+#if HAVE_NEW_ADDRT
+ rt.rt_genmask.sa_family = AF_INET;
+#endif
+ } else {
+ /* Default netmask. */
+ netmask = bb_str_default;
+ }
/* Prefer hostname lookup is -host flag (xflag==1) was given. */
- isnet = INET_resolve(target, (struct sockaddr_in *) &rt.rt_dst,
+ isnet = INET_resolve(target, (struct sockaddr_in *) &rt.rt_dst,
(xflag & HOST_FLAG));
if (isnet < 0) {
bb_error_msg_and_die("resolving %s", target);
}
-
+ if(prefix) {
+ /* do not destroy prefix for process args */
+ *prefix = '/';
+ }
}
if (xflag) { /* Reinit isnet if -net or -host was specified. */
/* Fill in the other fields. */
rt.rt_flags = ((isnet) ? RTF_UP : (RTF_UP | RTF_HOST));
- netmask = bb_INET_default;
-
while (*args) {
int k = kw_lookup(tbl_ipvx, &args);
const char *args_m1 = args[-1];
#if HAVE_NEW_ADDRT
if (k == KW_IPVx_METRIC) {
- rt.rt_metric = bb_xgetularg10(args_m1) + 1;
+ rt.rt_metric = xatoul(args_m1) + 1;
continue;
}
#endif
if (k == KW_IPVx_MSS) { /* Check valid MSS bounds. */
rt.rt_flags |= RTF_MSS;
- rt.rt_mss = bb_xgetularg10_bnd(args_m1, 64, 32768);
+ rt.rt_mss = xatoul_range(args_m1, 64, 32768);
continue;
}
if (k == KW_IPVx_WINDOW) { /* Check valid window bounds. */
rt.rt_flags |= RTF_WINDOW;
- rt.rt_window = bb_xgetularg10_bnd(args_m1, 128, INT_MAX);
+ rt.rt_window = xatoul_range(args_m1, 128, INT_MAX);
continue;
}
#ifdef RTF_IRTT
if (k == KW_IPVx_IRTT) {
rt.rt_flags |= RTF_IRTT;
- rt.rt_irtt = bb_xgetularg10(args_m1);
+ rt.rt_irtt = xatoul(args_m1);
rt.rt_irtt *= (sysconf(_SC_CLK_TCK) / 100); /* FIXME */
#if 0 /* FIXME: do we need to check anything of this? */
if (rt.rt_irtt < 1 || rt.rt_irtt > (120 * HZ)) {
}
/* Create a socket to the INET kernel. */
- if ((skfd = socket(AF_INET, SOCK_DGRAM, 0)) < 0) {
- bb_perror_msg_and_die("socket");
- }
+ skfd = xsocket(AF_INET, SOCK_DGRAM, 0);
if (ioctl(skfd, ((action==RTACTION_ADD) ? SIOCADDRT : SIOCDELRT), &rt)<0) {
bb_perror_msg_and_die("SIOC[ADD|DEL]RT");
int prefix_len, skfd;
const char *devname;
- assert((action == RTACTION_ADD) || (action == RTACTION_DEL));
-
- {
/* We know args isn't NULL from the check in route_main. */
const char *target = *args++;
- if (strcmp(target, "default") == 0) {
+ if (strcmp(target, bb_str_default) == 0) {
prefix_len = 0;
memset(&sa6, 0, sizeof(sa6));
} else {
char *cp;
if ((cp = strchr(target, '/'))) { /* Yes... const to non is ok. */
*cp = 0;
- prefix_len = bb_xgetularg10_bnd(cp+1, 0, 128);
+ prefix_len = xatoul_range(cp+1, 0, 128);
} else {
prefix_len = 128;
}
bb_error_msg_and_die("resolving %s", target);
}
}
- }
/* Clean out the RTREQ structure. */
memset((char *) &rt, 0, sizeof(struct in6_rtmsg));
}
if (k == KW_IPVx_METRIC) {
- rt.rtmsg_metric = bb_xgetularg10(args_m1);
+ rt.rtmsg_metric = xatoul(args_m1);
continue;
}
}
/* Create a socket to the INET6 kernel. */
- if ((skfd = socket(AF_INET6, SOCK_DGRAM, 0)) < 0) {
- bb_perror_msg_and_die("socket");
- }
+ skfd = xsocket(AF_INET6, SOCK_DGRAM, 0);
rt.rtmsg_ifindex = 0;
#define IPV4_MASK (RTF_GATEWAY|RTF_HOST|RTF_REINSTATE|RTF_DYNAMIC|RTF_MODIFIED)
#define IPV6_MASK (RTF_GATEWAY|RTF_HOST|RTF_DEFAULT|RTF_ADDRCONF|RTF_CACHE)
-static const char flagchars[] = /* Must agree with flagvals[]. */
+static const char flagchars[] = /* Must agree with flagvals[]. */
"GHRDM"
#ifdef CONFIG_FEATURE_IPV6
"DAC"
}
/* also used in netstat */
+void displayroutes(int noresolve, int netstatfmt);
void displayroutes(int noresolve, int netstatfmt)
{
char devname[64], flags[16], sdest[16], sgw[16];
struct sockaddr_in s_addr;
struct in_addr mask;
- FILE *fp = bb_xfopen("/proc/net/route", "r");
+ FILE *fp = xfopen("/proc/net/route", "r");
- bb_printf("Kernel IP routing table\n"
+ printf("Kernel IP routing table\n"
"Destination Gateway Genmask"
" Flags %s Iface\n",
netstatfmt ? " MSS Window irtt" : "Metric Ref Use");
(noresolve | 0x4000), m); /* Host instead of net. */
mask.s_addr = m;
- bb_printf("%-16s%-16s%-16s%-6s", sdest, sgw, inet_ntoa(mask), flags);
+ printf("%-16s%-16s%-16s%-6s", sdest, sgw, inet_ntoa(mask), flags);
if (netstatfmt) {
- bb_printf("%5d %-5d %6d %s\n", mtu, win, ir, devname);
+ printf("%5d %-5d %6d %s\n", mtu, win, ir, devname);
} else {
- bb_printf("%-6d %-2d %7d %s\n", metric, ref, use, devname);
+ printf("%-6d %-2d %7d %s\n", metric, ref, use, devname);
}
}
}
int iflags, metric, refcnt, use, prefix_len, slen;
struct sockaddr_in6 snaddr6;
- FILE *fp = bb_xfopen("/proc/net/ipv6_route", "r");
+ FILE *fp = xfopen("/proc/net/ipv6_route", "r");
- bb_printf("Kernel IPv6 routing table\n%-44s%-40s"
+ printf("Kernel IPv6 routing table\n%-44s%-40s"
"Flags Metric Ref Use Iface\n",
"Destination", "Next Hop");
snaddr6.sin6_family = AF_INET6;
INET6_rresolve(naddr6, sizeof(naddr6),
(struct sockaddr_in6 *) &snaddr6,
-#if 0
- (noresolve | 0x8000) /* Default instead of *. */
-#else
0x0fff /* Apparently, upstream never resolves. */
-#endif
);
if (!r) { /* 1st pass */
r += 40;
} else { /* 2nd pass */
/* Print the info. */
- bb_printf("%-43s %-39s %-5s %-6d %-2d %7d %-8s\n",
+ printf("%-43s %-39s %-5s %-6d %-2d %7d %-8s\n",
addr6, naddr6, flags, metric, refcnt, use, iface);
break;
}
#define ROUTE_OPT_INET6 0x08 /* Not an actual option. See below. */
/* 1st byte is offset to next entry offset. 2nd byte is return value. */
-static const char tbl_verb[] = /* 2nd byte matches RTACTION_* code */
+static const char tbl_verb[] = /* 2nd byte matches RTACTION_* code */
"\006\001add\0"
"\006\002del\0"
-/* "\011\002delete\0" */
+/* "\011\002delete\0" */
"\010\002delete" /* Since last, we can save a byte. */
;
int route_main(int argc, char **argv)
{
- unsigned long opt;
+ unsigned opt;
int what;
char *family;
+ char **p;
/* First, remap '-net' and '-host' to avoid getopt problems. */
- {
- char **p = argv;
-
- while (*++p) {
- if ((strcmp(*p, "-net") == 0) || (strcmp(*p, "-host") == 0)) {
- p[0][0] = '#';
- }
+ p = argv;
+ while (*++p) {
+ if ((strcmp(*p, "-net") == 0) || (strcmp(*p, "-host") == 0)) {
+ p[0][0] = '#';
}
}
- opt = bb_getopt_ulflags(argc, argv, "A:ne", &family);
+ opt = getopt32(argc, argv, "A:ne", &family);
if ((opt & ROUTE_OPT_A) && strcmp(family, "inet")) {
#ifdef CONFIG_FEATURE_IPV6
#endif
displayroutes(noresolve, opt & ROUTE_OPT_e);
- bb_xferror_stdout();
- bb_fflush_stdout_and_exit(EXIT_SUCCESS);
+ fflush_stdout_and_exit(EXIT_SUCCESS);
}
/* Check verb. At the moment, must be add, del, or delete. */
projects / oweals / busybox.git / blobdiff