toybox: toys/pending/route.c annotate

annotate toys/pending/route.c @ 1164:9482222e51f5 draft

The recent switch from get_int_value to to atolx_range left route broken. So here's a patch to switch it to atolx_range as well.

author	Isaac Dunham <ibid.ag@gmail.com>
date	Mon, 23 Dec 2013 20:58:24 -0600
parents	e11684e3bbc5
children	41efba077b75

rev	line source
1055 f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	1 /* route.c - Display routing table.
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	2 *
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	3 * Copyright 2012 Ranjan Kumar <ranjankumar.bth@gmail.com>
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	4 * Copyright 2013 Kyungwan Han <asura321@gmail.com>
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	5 *
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	6 * No Standard
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	7 *
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	8 USE_ROUTE(NEWTOY(route, "?neA:", TOYFLAG_BIN))
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	9 config ROUTE
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	10 bool "route"
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	11 default n
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	12 help
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	13 usage: route -neA inet{6} / [{add\|del}]
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	14
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	15 Display/Edit kernel routing tables.
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	16
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	17 -n Don't resolve names
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	18 -e Display other/more information
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	19 -A inet{6} Select Address Family
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	20 */
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	21
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	22 #define FOR_route
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	23 #include "toys.h"
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	24 #include <net/route.h>
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	25 #include <sys/param.h>
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	26
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	27 GLOBALS(
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	28 char *family;
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	29 )
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	30
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	31 #define DEFAULT_PREFIXLEN 128
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	32 #define INVALID_ADDR 0xffffffffUL
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	33 #define IPV6_ADDR_LEN 40 //32 + 7 (':') + 1 ('\0')
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	34
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	35 #define TEST_ARGV(argv) if (!*argv) show_route_help()
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	36
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	37 struct _arglist {
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	38 char *arg;
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	39 int action;
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	40 };
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	41
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	42 static struct _arglist arglist1[] = {
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	43 { "add", 1 }, { "del", 2 },
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	44 { "delete", 2 }, { NULL, 0 }
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	45 };
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	46
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	47 static struct _arglist arglist2[] = {
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	48 { "-net", 1 }, { "-host", 2 },
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	49 { NULL, 0 }
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	50 };
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	51
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	52 // display help info and exit.
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	53 static void show_route_help(void)
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	54 {
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	55 toys.exithelp = 1;
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	56 error_exit("Invalid Argument");
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	57 }
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	58
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	59 // to get the host name from the given ip.
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	60 static int get_hostname(char ipstr, struct sockaddr_in sockin)
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	61 {
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	62 struct hostent *host;
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	63
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	64 sockin->sin_family = AF_INET;
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	65 sockin->sin_port = 0;
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	66
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	67 if (!strcmp(ipstr, "default")) {
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	68 sockin->sin_addr.s_addr = INADDR_ANY;
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	69 return 1;
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	70 }
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	71
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	72 if (inet_aton(ipstr, &sockin->sin_addr)) return 0;
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	73 if (!(host = gethostbyname(ipstr))) return -1;
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	74 memcpy(&sockin->sin_addr, host->h_addr_list[0], sizeof(struct in_addr));
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	75 return 0;
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	76 }
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	77
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	78 // used to extract the address info from the given ip.
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	79 static int get_addrinfo(char ip, struct sockaddr_in6 sock_in6)
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	80 {
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	81 struct addrinfo hints, *result;
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	82 int status = 0;
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	83
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	84 memset(&hints, 0, sizeof(struct addrinfo));
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	85 hints.ai_family = AF_INET6;
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	86 if ((status = getaddrinfo(ip, NULL, &hints, &result))) {
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	87 perror_msg("getaddrinfo: %s", gai_strerror(status));
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	88 return -1;
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	89 }
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	90 if (result) {
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	91 memcpy(sock_in6, result->ai_addr, sizeof(*sock_in6));
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	92 freeaddrinfo(result);
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	93 }
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	94 return 0;
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	95 }
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	96
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	97 //get the flag values for route command.
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	98 static void get_flag_value(char *str, int flags)
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	99 {
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	100 int i = 0;
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	101 static unsigned flagarray[] = {
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	102 RTF_GATEWAY, RTF_HOST, RTF_REINSTATE, RTF_DYNAMIC,
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	103 RTF_MODIFIED, RTF_DEFAULT, RTF_ADDRCONF, RTF_CACHE
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	104 };
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	105
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	106 *str++ = 'U';
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	107 while ((*str = "GHRDMDAC"[i]))
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	108 if (flags & flagarray[i++]) ++str;
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	109 }
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	110
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	111 // extract inet4 route info from /proc/net/route file and display it.
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	112 static void display_routes(void)
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	113 {
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	114 unsigned long dest, gate, mask;
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	115 int flags, ref, use, metric, mss, win, irtt, items;
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	116 char iface[64] = {0,}, flag_val[10]; //there are 9 flags "UGHRDMDAC" for route.
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	117
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	118 FILE *fp = xfopen("/proc/net/route", "r");
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	119
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	120 xprintf("Kernel IP routing table\n"
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	121 "Destination Gateway Genmask Flags %s Iface\n",
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	122 (toys.optflags & FLAG_e)? " MSS Window irtt" : "Metric Ref Use");
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	123
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	124 if (fscanf(fp, "%*[^\n]\n") < 0) perror_exit("fscanf"); //skip 1st line
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	125 while ((items = fscanf(fp, "%63s%lx%lx%X%d%d%d%lx%d%d%d\n", iface, &dest,
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	126 &gate, &flags, &ref, &use, &metric, &mask, &mss, &win, &irtt)) == 11) {
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	127
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	128 char destip = toybuf, gateip = toybuf+32, *maskip = toybuf+64; //ip string 16
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	129 memset(flag_val, 0, 10);
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	130
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	131 if (!(flags & RTF_UP)) continue; //skip down interfaces.
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	132
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	133 if (!dest && !(toys.optflags & FLAG_n)) strcpy( destip, "default");
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	134 else if (!inet_ntop(AF_INET, &dest, destip, 32)) perror_exit("inet");
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	135
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	136 if (!gate && !(toys.optflags & FLAG_n)) strcpy( gateip, "*");
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	137 else if (!inet_ntop(AF_INET, &gate, gateip, 32)) perror_exit("inet");
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	138
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	139 if (!inet_ntop(AF_INET, &mask, maskip, 32)) perror_exit("inet");
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	140
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	141 //Get flag Values
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	142 get_flag_value(flag_val, (flags & (RTF_GATEWAY\|RTF_HOST\|RTF_REINSTATE
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	143 \|RTF_DYNAMIC\|RTF_MODIFIED)));
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	144 if (flags & RTF_REJECT) flag_val[0] = '!';
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	145 xprintf("%-15.15s %-15.15s %-16s%-6s", destip, gateip, maskip, flag_val);
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	146 if (toys.optflags & FLAG_e) xprintf("%5d %-5d %6d %s\n", mss, win, irtt, iface);
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	147 else xprintf("%-6d %-2d %7d %s\n", metric, ref, use, iface);
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	148 }
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	149
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	150 if (items > 0 && feof(fp)) perror_exit("fscanf %d", items);
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	151 fclose(fp);
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	152 }
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	153
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	154
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	155 /*
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	156 * find the given parameter in list like add/del/net/host.
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	157 * and if match found return the appropriate action.
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	158 */
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	159 static int get_action(char **argv, struct _arglist list)
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	160 {
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	161 struct _arglist *alist;
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	162
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	163 if (!**argv) return 0;
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	164 for (alist = list; alist->arg; alist++) { //find the given parameter in list
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	165 if (!strcmp(**argv, alist->arg)) {
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	166 *argv += 1;
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	167 return alist->action;
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	168 }
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	169 }
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	170 return 0;
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	171 }
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	172
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	173 /*
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	174 * get prefix len (if any) and remove the prefix from target ip.
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	175 * if no prefix then set netmask as default.
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	176 */
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	177 static void is_prefix(char tip, char netmask, struct rtentry *rt)
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	178 {
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	179 char prefix = strchr(tip, '/');
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	180 if (prefix) {
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	181 unsigned long plen;
1164 9482222e51f5 The recent switch from get_int_value to to atolx_range left route Isaac Dunham <ibid.ag@gmail.com> parents: 1104 diff changeset	182 plen = atolx_range(prefix + 1, 0, 32);
1055 f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	183 //used to verify the netmask and route conflict.
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	184 (((struct sockaddr_in *)&((rt)->rt_genmask))->sin_addr.s_addr)
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	185 = htonl( ~(INVALID_ADDR >> plen));
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	186 *prefix = '\0';
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	187 rt->rt_genmask.sa_family = AF_INET;
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	188 } else *netmask = "default"; //default netmask.
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	189 }
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	190
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	191 /*
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	192 * used to get the params like: metric, netmask, gw, mss, window, irtt, dev and their values.
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	193 * additionally set the flag values for reject, mod, dyn and reinstate.
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	194 */
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	195 static void get_next_params(char *argv, struct rtentry rt, char **netmask)
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	196 {
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	197 while (*argv) {
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	198 //set the metric field in the routing table.
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	199 if (!strcmp(*argv, "metric")) {
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	200 argv++;
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	201 TEST_ARGV(argv);
1164 9482222e51f5 The recent switch from get_int_value to to atolx_range left route Isaac Dunham <ibid.ag@gmail.com> parents: 1104 diff changeset	202 rt->rt_metric = atolx_range(*argv, 0, ULONG_MAX) + 1;
1055 f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	203 argv++;
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	204 } else if (!strcmp(*argv, "netmask")) {
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	205 //when adding a network route, the netmask to be used.
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	206 struct sockaddr sock;
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	207 unsigned int addr_mask = (((struct sockaddr_in *)&((rt)->rt_genmask))->sin_addr.s_addr);
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	208 if (addr_mask) show_route_help();
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	209 argv++;
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	210 TEST_ARGV(argv);
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	211 netmask = argv;
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	212 if (get_hostname(netmask, (struct sockaddr_in ) &sock) < 0)
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	213 perror_exit("resolving '%s'", *netmask);
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	214 rt->rt_genmask = sock;
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	215 argv++;
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	216 } else if (!strcmp(*argv, "gw")) {
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	217 //route packets via a gateway.
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	218 if (!(rt->rt_flags & RTF_GATEWAY)) {
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	219 int ishost;
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	220 argv++;
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	221 TEST_ARGV(argv);
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	222 if ((ishost = get_hostname(argv, (struct sockaddr_in ) &rt->rt_gateway)) == 0) {
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	223 rt->rt_flags \|= RTF_GATEWAY;
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	224 argv++;
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	225 } else if (ishost < 0) perror_exit("resolving '%s'", *argv);
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	226 else perror_exit("gateway '%s' is a NETWORK", *argv);
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	227 } else show_route_help();
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	228 } else if (!strcmp(*argv, "mss")) {
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	229 //set the TCP Maximum Segment Size for connections over this route.
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	230 argv++;
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	231 TEST_ARGV(argv);
1164 9482222e51f5 The recent switch from get_int_value to to atolx_range left route Isaac Dunham <ibid.ag@gmail.com> parents: 1104 diff changeset	232 rt->rt_mss = atolx_range(*argv, 64, 32768); //MSS low and max
1055 f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	233 rt->rt_flags \|= RTF_MSS;
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	234 argv++;
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	235 } else if (!strcmp(*argv, "window")) {
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	236 //set the TCP window size for connections over this route to W bytes.
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	237 argv++;
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	238 TEST_ARGV(argv);
1164 9482222e51f5 The recent switch from get_int_value to to atolx_range left route Isaac Dunham <ibid.ag@gmail.com> parents: 1104 diff changeset	239 rt->rt_window = atolx_range(*argv, 128, INT_MAX); //win low
1055 f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	240 rt->rt_flags \|= RTF_WINDOW;
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	241 argv++;
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	242 } else if (!strcmp(*argv, "irtt")) {
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	243 long nclock_ticks = sysconf(_SC_CLK_TCK); //number of clock ticks per second.
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	244 argv++;
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	245 TEST_ARGV(argv);
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	246 nclock_ticks /= 100;
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	247 rt->rt_irtt = strtoul(*argv, NULL, 10);
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	248 if (nclock_ticks > 0) rt->rt_irtt *= nclock_ticks;
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	249 rt->rt_flags \|= 0x0100; //RTF_IRTT
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	250 argv++;
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	251 } else if (!strcmp(*argv, "dev")) {
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	252 argv++;
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	253 TEST_ARGV(argv);
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	254 if ((!rt->rt_dev)) rt->rt_dev = *argv;
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	255 argv++;
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	256 } else if (!strcmp(*argv, "reject")) {
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	257 rt->rt_flags \|= RTF_REJECT;
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	258 argv++;
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	259 } else if (!strcmp(*argv, "mod")) {
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	260 rt->rt_flags \|= RTF_MODIFIED;
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	261 argv++;
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	262 } else if (!strcmp(*argv, "dyn")) {
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	263 rt->rt_flags \|= RTF_DYNAMIC;
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	264 argv++;
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	265 } else if (!strcmp(*argv, "reinstate")) {
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	266 rt->rt_flags \|= RTF_REINSTATE;
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	267 argv++;
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	268 } else show_route_help(); //No match found; exit form the application.
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	269 }//end of while loop.
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	270
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	271 if (!rt->rt_dev && (rt->rt_flags & RTF_REJECT)) rt->rt_dev = (char *)"lo";
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	272 }
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	273
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	274 // verify the netmask and conflict in netmask and route address.
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	275 static void verify_netmask(struct rtentry rt, char netmask)
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	276 {
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	277 unsigned int addr_mask = (((struct sockaddr_in *)&((rt)->rt_genmask))->sin_addr.s_addr);
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	278 unsigned int router_addr = ~(unsigned int)(((struct sockaddr_in *)&((rt)->rt_dst))->sin_addr.s_addr);
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	279
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	280 if (addr_mask) {
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	281 addr_mask = ~ntohl(addr_mask);
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	282 if ((rt->rt_flags & RTF_HOST) && addr_mask != INVALID_ADDR)
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	283 perror_exit("conflicting netmask and host route");
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	284 if (addr_mask & (addr_mask + 1)) perror_exit("wrong netmask '%s'", netmask);
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	285 addr_mask = ((struct sockaddr_in *) &rt->rt_dst)->sin_addr.s_addr;
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	286 if (addr_mask & router_addr) perror_exit("conflicting netmask and route address");
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	287 }
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	288 }
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	289
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	290 // add/del a route.
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	291 static void setroute(char **argv)
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	292 {
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	293 struct rtentry rt;
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	294 char netmask = NULL, targetip;
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	295 int is_net_or_host = 0, sokfd, arg2_action;
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	296 int action = get_action(&argv, arglist1); //verify the arg for add/del.
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	297
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	298 if (!action \|\| !*argv) show_route_help();
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	299
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	300 arg2_action = get_action(&argv, arglist2); //verify the arg for -net or -host
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	301 if (!*argv) show_route_help();
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	302
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	303 memset(&rt, 0, sizeof(struct rtentry));
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	304 targetip = *argv++;
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	305
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	306 is_prefix((char )&targetip, (char )&netmask, &rt);
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	307 if ((is_net_or_host = get_hostname(targetip,
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	308 (struct sockaddr_in *) &rt.rt_dst)) < 0)
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	309 perror_exit("resolving '%s'", targetip);
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	310
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	311 if (arg2_action) is_net_or_host = arg2_action & 1;
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	312 rt.rt_flags = ((is_net_or_host) ? RTF_UP : (RTF_UP \| RTF_HOST));
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	313
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	314 get_next_params(argv, &rt, (char **)&netmask);
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	315 verify_netmask(&rt, (char *)netmask);
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	316
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	317 if ((action == 1) && (rt.rt_flags & RTF_HOST))
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	318 (((struct sockaddr_in *)&((rt).rt_genmask))->sin_addr.s_addr) = INVALID_ADDR;
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	319
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	320 sokfd = xsocket(AF_INET, SOCK_DGRAM, 0);
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	321 if (action == 1) xioctl(sokfd, SIOCADDRT, &rt);
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	322 else xioctl(sokfd, SIOCDELRT, &rt);
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	323 xclose(sokfd);
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	324 }
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	325
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	326 /*
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	327 * get prefix len (if any) and remove the prefix from target ip.
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	328 * if no prefix then set default prefix len.
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	329 */
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	330 static void is_prefix_inet6(char *tip, struct in6_rtmsg rt)
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	331 {
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	332 unsigned long plen;
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	333 char prefix = strchr(tip, '/');
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	334
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	335 if (prefix) {
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	336 *prefix = '\0';
1164 9482222e51f5 The recent switch from get_int_value to to atolx_range left route Isaac Dunham <ibid.ag@gmail.com> parents: 1104 diff changeset	337 plen = atolx_range(prefix + 1, 0, 128); //DEFAULT_PREFIXLEN);
1055 f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	338 } else plen = DEFAULT_PREFIXLEN;
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	339
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	340 rt->rtmsg_flags = (plen == DEFAULT_PREFIXLEN) ? (RTF_UP \| RTF_HOST) : RTF_UP;
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	341 rt->rtmsg_dst_len = plen;
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	342 }
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	343
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	344 /*
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	345 * used to get the params like: metric, gw, dev and their values.
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	346 * additionally set the flag values for mod and dyn.
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	347 */
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	348 static void get_next_params_inet6(char *argv, struct sockaddr_in6 sock_in6, struct in6_rtmsg rt, char *dev_name)
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	349 {
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	350 while (*argv) {
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	351 if (!strcmp(*argv, "metric")) {
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	352 //set the metric field in the routing table.
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	353 argv++;
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	354 TEST_ARGV(argv);
1164 9482222e51f5 The recent switch from get_int_value to to atolx_range left route Isaac Dunham <ibid.ag@gmail.com> parents: 1104 diff changeset	355 rt->rtmsg_metric = atolx_range(*argv, 0, ULONG_MAX);
1055 f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	356 argv++;
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	357 } else if (!strcmp(*argv, "gw")) {
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	358 //route packets via a gateway.
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	359 if (!(rt->rtmsg_flags & RTF_GATEWAY)) {
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	360 argv++;
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	361 TEST_ARGV(argv);
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	362 if (!get_addrinfo(argv, (struct sockaddr_in6 ) &sock_in6)) {
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	363 memcpy(&rt->rtmsg_gateway, sock_in6->sin6_addr.s6_addr, sizeof(struct in6_addr));
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	364 rt->rtmsg_flags \|= RTF_GATEWAY;
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	365 argv++;
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	366 } else perror_exit("resolving '%s'", *argv);
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	367 } else show_route_help();
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	368 } else if (!strcmp(*argv, "dev")) {
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	369 argv++;
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	370 TEST_ARGV(argv);
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	371 if (!dev_name) dev_name = *argv;
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	372 argv++;
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	373 } else if (!strcmp(*argv, "mod")) {
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	374 rt->rtmsg_flags \|= RTF_MODIFIED;
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	375 argv++;
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	376 } else if (!strcmp(*argv, "dyn")) {
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	377 rt->rtmsg_flags \|= RTF_DYNAMIC;
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	378 argv++;
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	379 } else show_route_help();
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	380 }//end of while loop.
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	381 }
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	382
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	383 // add/del a route.
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	384 static void setroute_inet6(char **argv)
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	385 {
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	386 struct sockaddr_in6 sock_in6;
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	387 struct in6_rtmsg rt;
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	388 char *targetip;
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	389 int sockfd, action = get_action(&argv, arglist1);
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	390
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	391 if (!action \|\| !*argv) show_route_help();
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	392 memset(&sock_in6, 0, sizeof(struct sockaddr_in6));
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	393 memset(&rt, 0, sizeof(struct in6_rtmsg));
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	394 targetip = *argv++;
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	395 if (*argv) {
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	396 unsigned long plen = 0;
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	397 char *dev_name = NULL;
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	398 if (!strcmp(targetip, "default")) {
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	399 rt.rtmsg_flags = RTF_UP;
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	400 rt.rtmsg_dst_len = plen;
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	401 } else {
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	402 is_prefix_inet6((char **)&targetip, &rt);
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	403 if (get_addrinfo(targetip, (struct sockaddr_in6 *) &sock_in6))
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	404 perror_exit("resolving '%s'", targetip);
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	405 }
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	406 rt.rtmsg_metric = 1; //default metric.
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	407 memcpy(&rt.rtmsg_dst, sock_in6.sin6_addr.s6_addr, sizeof(struct in6_addr));
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	408 get_next_params_inet6(argv, &sock_in6, &rt, (char **)&dev_name);
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	409
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	410 sockfd = xsocket(AF_INET6, SOCK_DGRAM, 0);
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	411 if (dev_name) {
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	412 char ifre_buf[sizeof(struct ifreq)] = {0,};
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	413 struct ifreq ifre = (struct ifreq)ifre_buf;
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	414 strncpy(ifre->ifr_name, dev_name, IFNAMSIZ-1);
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	415 xioctl(sockfd, SIOGIFINDEX, ifre);
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	416 rt.rtmsg_ifindex = ifre->ifr_ifindex;
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	417 }
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	418 if (action == 1) xioctl(sockfd, SIOCADDRT, &rt);
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	419 else xioctl(sockfd, SIOCDELRT, &rt);
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	420 xclose(sockfd);
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	421 } else show_route_help();
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	422 }
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	423
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	424 /*
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	425 * format the dest and src address in ipv6 format.
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	426 * e.g. 2002:6b6d:26c8:d:ea03:9aff:fe65:9d62
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	427 */
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	428 static void ipv6_addr_formating(char ptr, char addr)
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	429 {
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	430 int i = 0;
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	431 while (i <= IPV6_ADDR_LEN) {
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	432 if (!*ptr) {
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	433 if (i == IPV6_ADDR_LEN) {
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	434 addr[IPV6_ADDR_LEN - 1] = 0; //NULL terminating the ':' seperated address.
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	435 break;
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	436 }
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	437 error_exit("IPv6 ip format error");
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	438 }
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	439 addr[i++] = *ptr++;
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	440 if (!((i+1) % 5)) addr[i++] = ':'; //put ':' after 4th bit
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	441 }
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	442 }
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	443
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	444 static void display_routes6(void)
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	445 {
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	446 char iface[16] = {0,}, ipv6_dest_addr[41];
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	447 char ipv6_src_addr[41], flag_val[10], buf2[INET6_ADDRSTRLEN];
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	448 int prefixlen, metric, use, refcount, flag, items = 0;
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	449 unsigned char buf[sizeof(struct in6_addr)];
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	450
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	451 FILE *fp = xfopen("/proc/net/ipv6_route", "r");
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	452
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	453 xprintf("Kernel IPv6 routing table\n"
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	454 "%-43s%-40s Flags Metric Ref Use Iface\n", "Destination", "Next Hop");
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	455
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	456 while ((items = fscanf(fp, "%32s%x%s%x%32s%x%x%x%x%10s\n", ipv6_dest_addr+8,
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	457 &prefixlen, ipv6_src_addr+8, &metric, &use, &refcount, &flag,
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	458 iface)) == 8) {
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	459
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	460 memset(flag_val, 0, 10);
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	461
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	462 if (!(flag & RTF_UP)) continue; //skip down interfaces.
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	463
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	464 //ipv6_dest_addr+8: as the values are filled from the 8th location of the array.
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	465 ipv6_addr_formating(ipv6_dest_addr+8, ipv6_dest_addr);
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	466 ipv6_addr_formating(ipv6_src_addr+8, ipv6_src_addr);
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	467
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	468 get_flag_value(flag_val, (flag & (RTF_GATEWAY\|RTF_HOST\|RTF_DEFAULT\|
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	469 RTF_ADDRCONF\|RTF_CACHE)));
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	470 if (inet_pton(AF_INET6, ipv6_dest_addr, buf) <= 0) perror_exit("inet");
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	471 if (inet_ntop(AF_INET6, buf, buf2, INET6_ADDRSTRLEN)) {
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	472 sprintf(toybuf, "%s/%d", buf2, prefixlen);
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	473 }
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	474
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	475 if (inet_pton(AF_INET6, ipv6_src_addr, buf) <= 0) perror_exit("inet");
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	476 if (inet_ntop(AF_INET6, buf, buf2, INET6_ADDRSTRLEN)) {
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	477 xprintf("%-43s %-39s %-5s %-6d %-4d %5d %-8s\n",
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	478 toybuf, buf2, flag_val, metric, refcount, use, iface);
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	479 }
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	480 }
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	481 if ((items > 0) && feof(fp)) perror_exit("fscanf");
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	482
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	483 fclose(fp);
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	484 }
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	485
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	486 void route_main(void)
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	487 {
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	488 if (!(toys.optflags & FLAG_A)) TT.family = "inet";
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	489 if (!*toys.optargs) {
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	490 if (!strcmp(TT.family, "inet")) display_routes();
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	491 else if (!strcmp(TT.family, "inet6")) display_routes6();
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	492 else show_route_help();
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	493 return;
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	494 }//End of if statement.
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	495
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	496 if (!strcmp(TT.family, "inet6")) setroute_inet6(toys.optargs);
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	497 else setroute(toys.optargs);
f8824260d057 Ashwini Sharma submitted route.c, adding it to pending. Rob Landley <rob@landley.net> parents: diff changeset	498 }

Mercurial > hg > toybox

annotate toys/pending/route.c @ 1164:9482222e51f5 draft