* remove ridiculous amounts of bloat.
*/
-#include "busybox.h"
-#include "inet_common.h"
#include <getopt.h>
#include <net/route.h>
#include <net/if.h>
+#include "libbb.h"
+#include "inet_common.h"
+
#ifndef RTF_UP
/* Keep this in sync with /usr/src/linux/include/linux/route.h */
#define RTF_REJECT 0x0200 /* Reject route */
#endif
-#if defined (SIOCADDRTOLD) || defined (RTF_IRTT) /* route */
+#if defined(SIOCADDRTOLD) || defined(RTF_IRTT) /* route */
#define HAVE_NEW_ADDRT 1
#endif
/* recognize x.x.x.x/mask format. */
prefix = strchr(target, '/');
- if(prefix) {
+ if (prefix) {
int prefix_len;
prefix_len = xatoul_range(prefix+1, 0, 32);
if (isnet < 0) {
bb_error_msg_and_die("resolving %s", target);
}
- if(prefix) {
+ if (prefix) {
/* do not destroy prefix for process args */
*prefix = '/';
}
#ifdef RTF_REJECT
if ((rt.rt_flags & RTF_REJECT) && !rt.rt_dev) {
- rt.rt_dev = "lo";
+ rt.rt_dev = (char*)"lo";
}
#endif
/* Create a socket to the INET kernel. */
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");
- }
+ if (action == RTACTION_ADD)
+ xioctl(skfd, SIOCADDRT, &rt);
+ else
+ xioctl(skfd, SIOCDELRT, &rt);
if (ENABLE_FEATURE_CLEAN_UP) close(skfd);
}
struct ifreq ifr;
memset(&ifr, 0, sizeof(ifr));
strncpy(ifr.ifr_name, devname, sizeof(ifr.ifr_name));
-
- if (ioctl(skfd, SIOGIFINDEX, &ifr) < 0) {
- bb_perror_msg_and_die("SIOGIFINDEX");
- }
+ xioctl(skfd, SIOGIFINDEX, &ifr);
rt.rtmsg_ifindex = ifr.ifr_ifindex;
}
/* Tell the kernel to accept this route. */
- if (ioctl(skfd, ((action==RTACTION_ADD) ? SIOCADDRT : SIOCDELRT), &rt)<0) {
- bb_perror_msg_and_die("SIOC[ADD|DEL]RT");
- }
+ if (action == RTACTION_ADD)
+ xioctl(skfd, SIOCADDRT, &rt);
+ else
+ xioctl(skfd, SIOCDELRT, &rt);
if (ENABLE_FEATURE_CLEAN_UP) close(skfd);
}
/* also used in netstat */
void bb_displayroutes(int noresolve, int netstatfmt)
{
- char devname[64], flags[16], sdest[16], sgw[16];
- unsigned long int d, g, m;
+ char devname[64], flags[16], *sdest, *sgw;
+ unsigned long d, g, m;
int flgs, ref, use, metric, mtu, win, ir;
struct sockaddr_in s_addr;
struct in_addr mask;
memset(&s_addr, 0, sizeof(struct sockaddr_in));
s_addr.sin_family = AF_INET;
s_addr.sin_addr.s_addr = d;
- INET_rresolve(sdest, sizeof(sdest), &s_addr,
- (noresolve | 0x8000), m); /* Default instead of *. */
-
+ sdest = INET_rresolve(&s_addr, (noresolve | 0x8000), m); /* 'default' instead of '*' */
s_addr.sin_addr.s_addr = g;
- INET_rresolve(sgw, sizeof(sgw), &s_addr,
- (noresolve | 0x4000), m); /* Host instead of net. */
-
+ sgw = INET_rresolve(&s_addr, (noresolve | 0x4000), m); /* Host instead of net */
mask.s_addr = m;
- printf("%-16s%-16s%-16s%-6s", sdest, sgw, inet_ntoa(mask), flags);
+ /* "%15.15s" truncates hostnames, do we really want that? */
+ printf("%-15.15s %-15.15s %-16s%-6s", sdest, sgw, inet_ntoa(mask), flags);
+ free(sdest);
+ free(sgw);
if (netstatfmt) {
printf("%5d %-5d %6d %s\n", mtu, win, ir, devname);
} else {
static void INET6_displayroutes(int noresolve)
{
- char addr6[128], naddr6[128];
+ char addr6[128], *naddr6;
/* In addr6x, we store both 40-byte ':'-delimited ipv6 addresses.
* We read the non-delimited strings into the tail of the buffer
* using fscanf and then modify the buffer by shifting forward
do {
if (!*p) {
- if (i==40) { /* nul terminator for 1st address? */
+ if (i == 40) { /* nul terminator for 1st address? */
addr6x[39] = 0; /* Fixup... need 0 instead of ':'. */
++p; /* Skip and continue. */
continue;
inet_pton(AF_INET6, addr6x + r,
(struct sockaddr *) &snaddr6.sin6_addr);
snaddr6.sin6_family = AF_INET6;
- INET6_rresolve(naddr6, sizeof(naddr6),
- (struct sockaddr_in6 *) &snaddr6,
+ naddr6 = INET6_rresolve((struct sockaddr_in6 *) &snaddr6,
0x0fff /* Apparently, upstream never resolves. */
);
if (!r) { /* 1st pass */
snprintf(addr6, sizeof(addr6), "%s/%d", naddr6, prefix_len);
r += 40;
+ free(naddr6);
} else { /* 2nd pass */
/* 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);
+ free(naddr6);
break;
}
} while (1);
"\010\002delete" /* Since last, we can save a byte. */
;
+int route_main(int argc, char **argv);
int route_main(int argc, char **argv)
{
unsigned opt;