From 4aca87515a5083ae0e31ce3177189fd43b6d05ac Mon Sep 17 00:00:00 2001 From: Andreas Baumann Date: Sat, 3 Jan 2015 13:58:15 +0100 Subject: patch to Vanilla Tomato 1.28 --- release/src/router/busybox/route.c | 423 ------------------------------------- 1 file changed, 423 deletions(-) delete mode 100644 release/src/router/busybox/route.c (limited to 'release/src/router/busybox/route.c') diff --git a/release/src/router/busybox/route.c b/release/src/router/busybox/route.c deleted file mode 100644 index f1e569d0..00000000 --- a/release/src/router/busybox/route.c +++ /dev/null @@ -1,423 +0,0 @@ -/* route - * - * Similar to the standard Unix route, but with only the necessary - * parts for AF_INET - * - * Bjorn Wesen, Axis Communications AB - * - * Author of the original route: - * Fred N. van Kempen, - * (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. - * - * $Id: route.c,v 1.2 2003/11/20 06:17:44 honor Exp $ - * - * displayroute() code added by Vladimir N. Oleynik - * adjustments by Larry Doolittle - */ - -#include -#include -#include -#include -#include // HZ -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include "busybox.h" - -#define _(x) x - -#define RTACTION_ADD 1 -#define RTACTION_DEL 2 -#define RTACTION_HELP 3 -#define RTACTION_FLUSH 4 -#define RTACTION_SHOW 5 - -#define E_NOTFOUND 8 -#define E_SOCK 7 -#define E_LOOKUP 6 -#define E_VERSION 5 -#define E_USAGE 4 -#define E_OPTERR 3 -#define E_INTERN 2 -#define E_NOSUPP 1 - - -static int -INET_resolve(char *name, struct sockaddr *sa) -{ - struct sockaddr_in *s_in = (struct sockaddr_in *)sa; - - s_in->sin_family = AF_INET; - s_in->sin_port = 0; - - /* Default is special, meaning 0.0.0.0. */ - if (strcmp(name, "default")==0) { - s_in->sin_addr.s_addr = INADDR_ANY; - return 1; - } - /* Look to see if it's a dotted quad. */ - if (inet_aton(name, &s_in->sin_addr)) { - return 0; - } - /* guess not.. */ - return -1; -} - -#if defined(SIOCADDRTOLD) || defined(RTF_IRTT) /* route */ -#define HAVE_NEW_ADDRT 1 -#endif -#ifdef RTF_IRTT /* route */ -#define HAVE_RTF_IRTT 1 -#endif -#ifdef RTF_REJECT /* route */ -#define HAVE_RTF_REJECT 1 -#endif - -#if HAVE_NEW_ADDRT -#define mask_in_addr(x) (((struct sockaddr_in *)&((x).rt_genmask))->sin_addr.s_addr) -#define full_mask(x) (x) -#else -#define mask_in_addr(x) ((x).rt_genmask) -#define full_mask(x) (((struct sockaddr_in *)&(x))->sin_addr.s_addr) -#endif - -/* add or delete a route depending on action */ - -static int -INET_setroute(int action, int options, char **args) -{ - struct rtentry rt; - char target[128], gateway[128] = "NONE", netmask[128] = "default"; - int xflag, isnet; - int skfd; - - xflag = 0; - - if (strcmp(*args, "-net")==0) { - xflag = 1; - args++; - } else if (strcmp(*args, "-host")==0) { - xflag = 2; - args++; - } - if (*args == NULL) - 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, &rt.rt_dst)) < 0) { - error_msg(_("can't resolve %s"), target); - return EXIT_FAILURE; - } - - switch (xflag) { - case 1: - isnet = 1; - break; - - case 2: - isnet = 0; - break; - - default: - break; - } - - /* Fill in the other fields. */ - rt.rt_flags = (RTF_UP | RTF_HOST); - if (isnet) - rt.rt_flags &= ~RTF_HOST; - - while (*args) { - if (strcmp(*args, "metric")==0) { - int metric; - - args++; - if (!*args || !isdigit(**args)) - show_usage(); - metric = atoi(*args); -#if HAVE_NEW_ADDRT - rt.rt_metric = metric + 1; -#else - ENOSUPP("inet_setroute", "NEW_ADDRT (metric)"); -#endif - args++; - continue; - } - - if (strcmp(*args, "netmask")==0) { - struct sockaddr mask; - - args++; - if (!*args || mask_in_addr(rt)) - show_usage(); - safe_strncpy(netmask, *args, (sizeof netmask)); - if ((isnet = INET_resolve(netmask, &mask)) < 0) { - error_msg(_("can't resolve netmask %s"), netmask); - return E_LOOKUP; - } - rt.rt_genmask = full_mask(mask); - args++; - continue; - } - - 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, &rt.rt_gateway)) < 0) { - error_msg(_("can't resolve gw %s"), gateway); - return E_LOOKUP; - } - if (isnet) { - error_msg( - _("%s: cannot use a NETWORK as gateway!"), - gateway); - return E_OPTERR; - } - rt.rt_flags |= RTF_GATEWAY; - args++; - continue; - } - - if (strcmp(*args, "mss")==0) { - args++; - rt.rt_flags |= RTF_MSS; - if (!*args) - show_usage(); - rt.rt_mss = atoi(*args); - args++; - if (rt.rt_mss < 64 || rt.rt_mss > 32768) { - error_msg(_("Invalid MSS.")); - return E_OPTERR; - } - continue; - } - - if (strcmp(*args, "window")==0) { - args++; - if (!*args) - show_usage(); - rt.rt_flags |= RTF_WINDOW; - rt.rt_window = atoi(*args); - args++; - if (rt.rt_window < 128) { - error_msg(_("Invalid window.")); - return E_OPTERR; - } - continue; - } - - if (strcmp(*args, "irtt")==0) { - args++; - if (!*args) - show_usage(); - args++; -#if HAVE_RTF_IRTT - rt.rt_flags |= RTF_IRTT; - rt.rt_irtt = atoi(*(args - 1)); - rt.rt_irtt *= (HZ / 100); -#else - ENOSUPP("inet_setroute", "RTF_IRTT"); -#endif - continue; - } - - if (strcmp(*args, "reject")==0) { - args++; -#if HAVE_RTF_REJECT - rt.rt_flags |= RTF_REJECT; -#else - ENOSUPP("inet_setroute", "RTF_REJECT"); -#endif - continue; - } - if (strcmp(*args, "mod")==0) { - args++; - rt.rt_flags |= RTF_MODIFIED; - continue; - } - if (strcmp(*args, "dyn")==0) { - args++; - rt.rt_flags |= RTF_DYNAMIC; - continue; - } - if (strcmp(*args, "reinstate")==0) { - args++; - rt.rt_flags |= RTF_REINSTATE; - continue; - } - if (strcmp(*args, "device")==0 || strcmp(*args, "dev")==0) { - args++; - if (rt.rt_dev || *args == NULL) - show_usage(); - rt.rt_dev = *args++; - continue; - } - /* nothing matches */ - if (!rt.rt_dev) { - rt.rt_dev = *args++; - if (*args) - show_usage(); /* must be last to catch typos */ - } else { - show_usage(); - } - } - -#if HAVE_RTF_REJECT - if ((rt.rt_flags & RTF_REJECT) && !rt.rt_dev) - rt.rt_dev = "lo"; -#endif - - /* 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); - return E_OPTERR; - } - if (mask & (mask + 1)) { - error_msg(_("bogus netmask %s"), netmask); - return E_OPTERR; - } - mask = ((struct sockaddr_in *) &rt.rt_dst)->sin_addr.s_addr; - if (mask & ~mask_in_addr(rt)) { - error_msg(_("netmask doesn't match route address")); - return E_OPTERR; - } - } - /* Fill out netmask if still unset */ - if ((action == RTACTION_ADD) && rt.rt_flags & RTF_HOST) - mask_in_addr(rt) = 0xffffffff; - - /* Create a socket to the INET kernel. */ - if ((skfd = socket(AF_INET, SOCK_DGRAM, 0)) < 0) { - perror("socket"); - return E_SOCK; - } - /* Tell the kernel to accept this route. */ - if (action == RTACTION_DEL) { - if (ioctl(skfd, SIOCDELRT, &rt) < 0) { - perror("SIOCDELRT"); - close(skfd); - return E_SOCK; - } - } else { - if (ioctl(skfd, SIOCADDRT, &rt) < 0) { - perror("SIOCADDRT"); - close(skfd); - return E_SOCK; - } - } - - /* Close the socket. */ - (void) close(skfd); - return EXIT_SUCCESS; -} - -static void displayroutes(void) -{ - char buff[256]; - int nl = 0 ; - struct in_addr dest; - struct in_addr gw; - struct in_addr mask; - int flgs, ref, use, metric; - char flags[4]; - unsigned long int d,g,m; - - char sdest[16], sgw[16]; - - - FILE *fp = xfopen("/proc/net/route", "r"); - - while( fgets(buff, sizeof(buff), fp) != NULL ) { - if(nl) { - int ifl = 0; - while(buff[ifl]!=' ' && buff[ifl]!='\t' && buff[ifl]!='\0') - ifl++; - buff[ifl]=0; /* interface */ - if(sscanf(buff+ifl+1, "%lx%lx%d%d%d%d%lx", - &d, &g, &flgs, &ref, &use, &metric, &m)!=7) { - error_msg_and_die( "Unsuported kernel route format\n"); - } - if(nl==1) { - printf("Kernel IP routing table\n" -"Destination Gateway Genmask Flags Metric Ref Use Iface\n"); - } - - if (!(flgs & RTF_UP)) - continue; - - ifl = 0; /* parse flags */ - if(flgs&1) - flags[ifl++]='U'; - if(flgs&2) - flags[ifl++]='G'; - if(flgs&4) - flags[ifl++]='H'; - flags[ifl]=0; - dest.s_addr = d; - gw.s_addr = g; - mask.s_addr = m; - strcpy(sdest, (dest.s_addr==0 ? "default" : - inet_ntoa(dest))); - strcpy(sgw, (gw.s_addr==0 ? "*" : - inet_ntoa(gw))); - printf("%-16s%-16s%-16s%-6s%-6d %-2d %7d %s\n", - sdest, sgw, - inet_ntoa(mask), - flags, metric, ref, use, buff); - } - nl++; - } -} - -int route_main(int argc, char **argv) -{ - int what = 0; - - argc--; - argv++; - - if (*argv == NULL) { - displayroutes(); - return EXIT_SUCCESS; - } else { - /* check verb */ - if (strcmp(*argv, "add")==0) - what = RTACTION_ADD; - else if (strcmp(*argv, "del")==0 || strcmp(*argv, "delete")==0) - what = RTACTION_DEL; - else if (strcmp(*argv, "flush")==0) - what = RTACTION_FLUSH; - else - show_usage(); - } - - return INET_setroute(what, 0, ++argv); -} -- cgit v1.2.3-54-g00ecf