diff options
| -rw-r--r-- | networking/route.c | 23 |
1 files changed, 20 insertions, 3 deletions
diff --git a/networking/route.c b/networking/route.c index 49d219ae0..59c756408 100644 --- a/networking/route.c +++ b/networking/route.c @@ -184,14 +184,33 @@ static void INET_setroute(int action, char **args) { const char *target = *args++; + char *prefix; + /* recognize x.x.x.x/mask format. */ + prefix = strchr(target, '/'); + if(prefix) { + int prefix_len; + + prefix_len = bb_xgetularg10_bnd(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_INET_default; + } /* Prefer hostname lookup is -host flag (xflag==1) was given. */ 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. */ @@ -201,8 +220,6 @@ static void INET_setroute(int action, char **args) /* 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]; |