1/* 2 * ip.c "ip" utility frontend. 3 * 4 * This program is free software; you can redistribute it and/or 5 * modify it under the terms of the GNU General Public License 6 * as published by the Free Software Foundation; either version 7 * 2 of the License, or (at your option) any later version. 8 * 9 * Authors: Alexey Kuznetsov, <kuznet@ms2.inr.ac.ru> 10 * 11 * 12 * Changes: 13 * 14 * Rani Assaf <rani@magic.metawire.com> 980929: resolve addresses 15 */ 16 17#include <stdio.h> 18#include <stdlib.h> 19#include <unistd.h> 20#include <syslog.h> 21#include <fcntl.h> 22#include <sys/socket.h> 23#include <netinet/in.h> 24#include <string.h> 25 26#include "SNAPSHOT.h" 27#include "utils.h" 28#include "ip_common.h" 29 30int preferred_family = AF_UNSPEC; 31int show_stats = 0; 32int resolve_hosts = 0; 33int oneline = 0; 34char * _SL_ = NULL; 35 36static void usage(void) __attribute__((noreturn)); 37 38static void usage(void) 39{ 40 fprintf(stderr, 41"Usage: ip [ OPTIONS ] OBJECT { COMMAND | help }\n" 42"where OBJECT := { link | addr | route | rule | neigh | tunnel |\n" 43" maddr | mroute | monitor }\n" 44" OPTIONS := { -V[ersion] | -s[tatistics] | -r[esolve] |\n" 45" -f[amily] { inet | inet6 | ipx | dnet | link } | -o[neline] }\n"); 46 exit(-1); 47} 48 49int main(int argc, char **argv) 50{ 51 char *basename; 52 53 basename = strrchr(argv[0], '/'); 54 if (basename == NULL) 55 basename = argv[0]; 56 else 57 basename++; 58 59 while (argc > 1) { 60 char *opt = argv[1]; 61 if (strcmp(opt,"--") == 0) { 62 argc--; argv++; 63 break; 64 } 65 if (opt[0] != '-') 66 break; 67 if (opt[1] == '-') 68 opt++; 69 if (matches(opt, "-family") == 0) { 70 argc--; 71 argv++; 72 if (argc <= 1) 73 usage(); 74 if (strcmp(argv[1], "inet") == 0) 75 preferred_family = AF_INET; 76 else if (strcmp(argv[1], "inet6") == 0) 77 preferred_family = AF_INET6; 78 else if (strcmp(argv[1], "dnet") == 0) 79 preferred_family = AF_DECnet; 80 else if (strcmp(argv[1], "link") == 0) 81 preferred_family = AF_PACKET; 82 else if (strcmp(argv[1], "ipx") == 0) 83 preferred_family = AF_IPX; 84 else if (strcmp(argv[1], "help") == 0) 85 usage(); 86 else 87 invarg(argv[1], "invalid protocol family"); 88 } else if (strcmp(opt, "-4") == 0) { 89 preferred_family = AF_INET; 90 } else if (strcmp(opt, "-6") == 0) { 91 preferred_family = AF_INET6; 92 } else if (strcmp(opt, "-0") == 0) { 93 preferred_family = AF_PACKET; 94 } else if (strcmp(opt, "-I") == 0) { 95 preferred_family = AF_IPX; 96 } else if (strcmp(opt, "-D") == 0) { 97 preferred_family = AF_DECnet; 98 } else if (matches(opt, "-stats") == 0 || 99 matches(opt, "-statistics") == 0) { 100 ++show_stats; 101 } else if (matches(opt, "-resolve") == 0) { 102 ++resolve_hosts; 103 } else if (matches(opt, "-oneline") == 0) { 104 ++oneline; 105#if 0 106 } else if (matches(opt, "-numeric") == 0) { 107 rtnl_names_numeric++; 108#endif 109 } else if (matches(opt, "-Version") == 0) { 110 printf("ip utility, iproute2-ss%s\n", SNAPSHOT); 111 exit(0); 112 } else if (matches(opt, "-help") == 0) { 113 usage(); 114 } else { 115 fprintf(stderr, "Option \"%s\" is unknown, try \"ip -help\".\n", opt); 116 exit(-1); 117 } 118 argc--; argv++; 119 } 120 121 _SL_ = oneline ? "\\" : "\n" ; 122 123 if (strcmp(basename, "ipaddr") == 0) 124 return do_ipaddr(argc-1, argv+1); 125 if (strcmp(basename, "ipmaddr") == 0) 126 return do_multiaddr(argc-1, argv+1); 127 if (strcmp(basename, "iproute") == 0) 128 return do_iproute(argc-1, argv+1); 129 if (strcmp(basename, "iprule") == 0) 130 return do_iprule(argc-1, argv+1); 131 if (strcmp(basename, "ipneigh") == 0) 132 return do_ipneigh(argc-1, argv+1); 133 if (strcmp(basename, "iplink") == 0) 134 return do_iplink(argc-1, argv+1); 135 if (strcmp(basename, "iptunnel") == 0) 136 return do_iptunnel(argc-1, argv+1); 137 if (strcmp(basename, "ipmonitor") == 0) 138 return do_ipmonitor(argc-1, argv+1); 139 140 if (argc > 1) { 141 if (matches(argv[1], "address") == 0) 142 return do_ipaddr(argc-2, argv+2); 143 if (matches(argv[1], "maddress") == 0) 144 return do_multiaddr(argc-2, argv+2); 145 if (matches(argv[1], "route") == 0) 146 return do_iproute(argc-2, argv+2); 147 if (matches(argv[1], "rule") == 0) 148 return do_iprule(argc-2, argv+2); 149 if (matches(argv[1], "mroute") == 0) 150 return do_multiroute(argc-2, argv+2); 151 if (matches(argv[1], "neighbor") == 0 || 152 matches(argv[1], "neighbour") == 0) 153 return do_ipneigh(argc-2, argv+2); 154 if (matches(argv[1], "link") == 0) 155 return do_iplink(argc-2, argv+2); 156 if (matches(argv[1], "tunnel") == 0 || 157 strcmp(argv[1], "tunl") == 0) 158 return do_iptunnel(argc-2, argv+2); 159 if (matches(argv[1], "monitor") == 0) 160 return do_ipmonitor(argc-2, argv+2); 161 if (matches(argv[1], "help") == 0) 162 usage(); 163 fprintf(stderr, "Object \"%s\" is unknown, try \"ip help\".\n", argv[1]); 164 exit(-1); 165 } 166 usage(); 167} 168