implemented displayroute() based on a patch from Vladimir N. Oleynik,

so now route behaves as expected w/o any arguments.

diff --git a/networking/route.c b/networking/route.c
index 76b2306..83a0be2 100644 (file)
--- a/networking/route.c
+++ b/networking/route.c
@@ -15,8 +15,9 @@
  * Foundation;  either  version 2 of the License, or  (at
  * your option) any later version.
  *
- * $Id: route.c,v 1.1 2001/02/14 08:11:27 andersen Exp $
+ * $Id: route.c,v 1.2 2001/02/14 19:26:39 andersen Exp $
  *
+ * displayroute() code added by Vladimir N. Oleynik <dzo@simtreas.ru>
  */
 
 #include "busybox.h"
@@ -343,6 +344,63 @@ INET_setroute(int action, int options, char **args)
        return (0);
 }
 
+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 = fopen("/proc/net/route", "r");
+
+       if(fp==0) {
+               perror_msg_and_die("/proc/net/route");
+       }
+       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");
+                       }
+                       dest.s_addr = d;
+                       gw.s_addr   = g;
+                       mask.s_addr = m;
+                       if(nl==1)
+                               printf("Kernel IP routing table\n\
+Destination\tGateway\t\tGenmask\t\tFlags Metric Ref    Use Iface\n");
+
+                       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;
+                       strcpy(sdest,  (dest.s_addr==0 ? "default" :
+                                       inet_ntoa(dest)));
+                       strcpy(sgw,    (gw.s_addr==0   ? "*"       :
+                                       inet_ntoa(gw)));
+                       printf("%-16s%-16s%-16s%-6s%-7d%-9d%-2d%s\n",
+                               sdest, sgw,
+                               inet_ntoa(mask),
+                               flags, metric, ref, use, buff);
+               }
+       nl++;
+       }
+}
+
 int route_main(int argc, char **argv)
 {
        int what = 0;
@@ -351,9 +409,8 @@ int route_main(int argc, char **argv)
        argv++;
 
        if (*argv == NULL) {
-               //displayroutes();
-               fprintf(stderr, "print routes is not implemented yet\n");
-               usage(route_usage);
+               displayroutes();
+               exit(EXIT_SUCCESS);
        } else {
                /* check verb */
                if (!strcmp(*argv, "add"))
@@ -368,5 +425,5 @@ int route_main(int argc, char **argv)
 
        INET_setroute(what, 0, ++argv);
 
-       exit(0);
+       exit(EXIT_SUCCESS);
 }

diff --git a/route.c b/route.c
index 76b2306..83a0be2 100644 (file)
--- a/route.c
+++ b/route.c
@@ -15,8 +15,9 @@
  * Foundation;  either  version 2 of the License, or  (at
  * your option) any later version.
  *
- * $Id: route.c,v 1.1 2001/02/14 08:11:27 andersen Exp $
+ * $Id: route.c,v 1.2 2001/02/14 19:26:39 andersen Exp $
  *
+ * displayroute() code added by Vladimir N. Oleynik <dzo@simtreas.ru>
  */
 
 #include "busybox.h"
@@ -343,6 +344,63 @@ INET_setroute(int action, int options, char **args)
        return (0);
 }
 
+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 = fopen("/proc/net/route", "r");
+
+       if(fp==0) {
+               perror_msg_and_die("/proc/net/route");
+       }
+       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");
+                       }
+                       dest.s_addr = d;
+                       gw.s_addr   = g;
+                       mask.s_addr = m;
+                       if(nl==1)
+                               printf("Kernel IP routing table\n\
+Destination\tGateway\t\tGenmask\t\tFlags Metric Ref    Use Iface\n");
+
+                       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;
+                       strcpy(sdest,  (dest.s_addr==0 ? "default" :
+                                       inet_ntoa(dest)));
+                       strcpy(sgw,    (gw.s_addr==0   ? "*"       :
+                                       inet_ntoa(gw)));
+                       printf("%-16s%-16s%-16s%-6s%-7d%-9d%-2d%s\n",
+                               sdest, sgw,
+                               inet_ntoa(mask),
+                               flags, metric, ref, use, buff);
+               }
+       nl++;
+       }
+}
+
 int route_main(int argc, char **argv)
 {
        int what = 0;
@@ -351,9 +409,8 @@ int route_main(int argc, char **argv)
        argv++;
 
        if (*argv == NULL) {
-               //displayroutes();
-               fprintf(stderr, "print routes is not implemented yet\n");
-               usage(route_usage);
+               displayroutes();
+               exit(EXIT_SUCCESS);
        } else {
                /* check verb */
                if (!strcmp(*argv, "add"))
@@ -368,5 +425,5 @@ int route_main(int argc, char **argv)
 
        INET_setroute(what, 0, ++argv);
 
-       exit(0);
+       exit(EXIT_SUCCESS);
 }