1aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger/* 2aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger * ipmaddr.c "ip maddress". 3aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger * 4aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger * This program is free software; you can redistribute it and/or 5aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger * modify it under the terms of the GNU General Public License 6aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger * as published by the Free Software Foundation; either version 7aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger * 2 of the License, or (at your option) any later version. 8aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger * 9aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger * Authors: Alexey Kuznetsov, <kuznet@ms2.inr.ac.ru> 10aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger * 11aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger */ 12aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 13aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger#include <stdio.h> 14aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger#include <stdlib.h> 15aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger#include <unistd.h> 16aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger#include <syslog.h> 17aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger#include <fcntl.h> 18aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger#include <sys/ioctl.h> 19aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger#include <sys/socket.h> 20e5779fb2c8ca16f9fd81ae7efd14c20614b1498aosdl.org!shemminger#include <netinet/in.h> 21e5779fb2c8ca16f9fd81ae7efd14c20614b1498aosdl.org!shemminger#include <arpa/inet.h> 22e5779fb2c8ca16f9fd81ae7efd14c20614b1498aosdl.org!shemminger#include <string.h> 23e5779fb2c8ca16f9fd81ae7efd14c20614b1498aosdl.org!shemminger 24aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger#include <linux/netdevice.h> 25aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger#include <linux/if.h> 26aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger#include <linux/if_arp.h> 27aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger#include <linux/sockios.h> 28aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 29aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger#include "rt_names.h" 30aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger#include "utils.h" 31aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 32aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemmingerstatic struct { 33aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger char *dev; 34aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger int family; 35aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} filter; 36aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 37aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemmingerstatic void usage(void) __attribute__((noreturn)); 38aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 39aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemmingerstatic void usage(void) 40aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 41aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fprintf(stderr, "Usage: ip maddr [ add | del ] MULTIADDR dev STRING\n"); 42aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fprintf(stderr, " ip maddr show [ dev STRING ]\n"); 43aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger exit(-1); 44aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} 45aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 467f71c0cae2db61890474e04ba3a26e40219e5561Olivier Fourdanstatic int parse_hex(char *str, unsigned char *addr, size_t size) 47aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 48aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger int len=0; 49aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 507f71c0cae2db61890474e04ba3a26e40219e5561Olivier Fourdan while (*str && (len < 2 * size)) { 51aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger int tmp; 52aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (str[1] == 0) 53aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return -1; 54aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (sscanf(str, "%02x", &tmp) != 1) 55aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return -1; 56aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger addr[len] = tmp; 57aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger len++; 58aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger str += 2; 59aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 60aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return len; 61aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} 62aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 63aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemmingerstruct ma_info 64aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 65aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger struct ma_info *next; 66aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger int index; 67aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger int users; 68aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger char *features; 69aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger char name[IFNAMSIZ]; 70aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger inet_prefix addr; 71aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger}; 72aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 73aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemmingervoid maddr_ins(struct ma_info **lst, struct ma_info *m) 74aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 75aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger struct ma_info *mp; 76aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 77aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger for (; (mp=*lst) != NULL; lst = &mp->next) { 78aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (mp->index > m->index) 79aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger break; 80aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 81aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger m->next = *lst; 82aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger *lst = m; 83aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} 84aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 85aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemmingervoid read_dev_mcast(struct ma_info **result_p) 86aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 87aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger char buf[256]; 88aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger FILE *fp = fopen("/proc/net/dev_mcast", "r"); 89aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 90aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (!fp) 91aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return; 92aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 93aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger while (fgets(buf, sizeof(buf), fp)) { 94aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger char hexa[256]; 95aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger struct ma_info m; 96aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger int len; 97aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger int st; 98aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 99aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger memset(&m, 0, sizeof(m)); 100aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger sscanf(buf, "%d%s%d%d%s", &m.index, m.name, &m.users, &st, 101aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger hexa); 102aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (filter.dev && strcmp(filter.dev, m.name)) 103aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger continue; 104aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 105aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger m.addr.family = AF_PACKET; 106aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 1077f71c0cae2db61890474e04ba3a26e40219e5561Olivier Fourdan len = parse_hex(hexa, (unsigned char*)&m.addr.data, sizeof (m.addr.data)); 108aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (len >= 0) { 109aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger struct ma_info *ma = malloc(sizeof(m)); 110aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 111aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger memcpy(ma, &m, sizeof(m)); 112aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger ma->addr.bytelen = len; 113aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger ma->addr.bitlen = len<<3; 114aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (st) 115aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger ma->features = "static"; 116aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger maddr_ins(result_p, ma); 117aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 118aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 119aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fclose(fp); 120aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} 121aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 122aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemmingervoid read_igmp(struct ma_info **result_p) 123aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 124aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger struct ma_info m; 125aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger char buf[256]; 126aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger FILE *fp = fopen("/proc/net/igmp", "r"); 127aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 128aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (!fp) 129aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return; 130aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger memset(&m, 0, sizeof(m)); 13119bcc05beade576878abc04c53f17d4a5a620610Thomas Jarosch if (!fgets(buf, sizeof(buf), fp)) { 13219bcc05beade576878abc04c53f17d4a5a620610Thomas Jarosch fclose(fp); 13338c867d2a82d6f2b60450550fbaaadc5d9c77579Stephen Hemminger return; 13419bcc05beade576878abc04c53f17d4a5a620610Thomas Jarosch } 135aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 136aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger m.addr.family = AF_INET; 137aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger m.addr.bitlen = 32; 138aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger m.addr.bytelen = 4; 139aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 140aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger while (fgets(buf, sizeof(buf), fp)) { 1411f7190db3920f76cca7fdcd1bb318c6cfa4a3266Brandon Philips struct ma_info *ma; 142aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 143aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (buf[0] != '\t') { 144aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger sscanf(buf, "%d%s", &m.index, m.name); 145aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger continue; 146aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 147aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 148aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (filter.dev && strcmp(filter.dev, m.name)) 149aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger continue; 150aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 151aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger sscanf(buf, "%08x%d", (__u32*)&m.addr.data, &m.users); 152aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 153aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger ma = malloc(sizeof(m)); 154aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger memcpy(ma, &m, sizeof(m)); 155aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger maddr_ins(result_p, ma); 156aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 157aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fclose(fp); 158aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} 159aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 160aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 161aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemmingervoid read_igmp6(struct ma_info **result_p) 162aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 163aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger char buf[256]; 164aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger FILE *fp = fopen("/proc/net/igmp6", "r"); 165aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 166aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (!fp) 167aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return; 168aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 169aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger while (fgets(buf, sizeof(buf), fp)) { 170aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger char hexa[256]; 171aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger struct ma_info m; 172aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger int len; 173aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 174aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger memset(&m, 0, sizeof(m)); 175aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger sscanf(buf, "%d%s%s%d", &m.index, m.name, hexa, &m.users); 176aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 177aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (filter.dev && strcmp(filter.dev, m.name)) 178aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger continue; 179aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 180aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger m.addr.family = AF_INET6; 181aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 1827f71c0cae2db61890474e04ba3a26e40219e5561Olivier Fourdan len = parse_hex(hexa, (unsigned char*)&m.addr.data, sizeof (m.addr.data)); 183aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (len >= 0) { 184aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger struct ma_info *ma = malloc(sizeof(m)); 185aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 186aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger memcpy(ma, &m, sizeof(m)); 187aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 188aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger ma->addr.bytelen = len; 189aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger ma->addr.bitlen = len<<3; 190aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger maddr_ins(result_p, ma); 191aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 192aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 193aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fclose(fp); 194aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} 195aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 196aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemmingerstatic void print_maddr(FILE *fp, struct ma_info *list) 197aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 198aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fprintf(fp, "\t"); 199aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 200aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (list->addr.family == AF_PACKET) { 201aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger SPRINT_BUF(b1); 202aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fprintf(fp, "link %s", ll_addr_n2a((unsigned char*)list->addr.data, 203aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger list->addr.bytelen, 0, 204aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger b1, sizeof(b1))); 205aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } else { 206aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger char abuf[256]; 207aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger switch(list->addr.family) { 208aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger case AF_INET: 209aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fprintf(fp, "inet "); 210aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger break; 211aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger case AF_INET6: 212aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fprintf(fp, "inet6 "); 213aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger break; 214aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger default: 215aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fprintf(fp, "family %d ", list->addr.family); 216aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger break; 217aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 218ae665a522bd46bea44c5ea84c89c8b1731954170Stephen Hemminger fprintf(fp, "%s", 219aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger format_host(list->addr.family, 220aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger -1, 221aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger list->addr.data, 222aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger abuf, sizeof(abuf))); 223aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 224aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (list->users != 1) 225aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fprintf(fp, " users %d", list->users); 226aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (list->features) 227aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fprintf(fp, " %s", list->features); 228aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fprintf(fp, "\n"); 229aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} 230aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 231aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemmingerstatic void print_mlist(FILE *fp, struct ma_info *list) 232aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 233aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger int cur_index = 0; 234aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 235aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger for (; list; list = list->next) { 236aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (oneline) { 237aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger cur_index = list->index; 238aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fprintf(fp, "%d:\t%s%s", cur_index, list->name, _SL_); 239aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } else if (cur_index != list->index) { 240aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger cur_index = list->index; 241aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fprintf(fp, "%d:\t%s\n", cur_index, list->name); 242aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 243aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger print_maddr(fp, list); 244aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 245aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} 246aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 247aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemmingerstatic int multiaddr_list(int argc, char **argv) 248aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 249aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger struct ma_info *list = NULL; 250aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 251aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (!filter.family) 252aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger filter.family = preferred_family; 253aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 254aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger while (argc > 0) { 255aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (1) { 256aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (strcmp(*argv, "dev") == 0) { 257aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger NEXT_ARG(); 258aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 259aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (matches(*argv, "help") == 0) 260aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger usage(); 261aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (filter.dev) 262aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger duparg2("dev", *argv); 263aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger filter.dev = *argv; 264aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 265aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger argv++; argc--; 266aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 267aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 268aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (!filter.family || filter.family == AF_PACKET) 269aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger read_dev_mcast(&list); 270aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (!filter.family || filter.family == AF_INET) 271aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger read_igmp(&list); 272aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (!filter.family || filter.family == AF_INET6) 273aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger read_igmp6(&list); 274aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger print_mlist(stdout, list); 275aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return 0; 276aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} 277aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 278aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemmingerint multiaddr_modify(int cmd, int argc, char **argv) 279aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 280aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger struct ifreq ifr; 281aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger int fd; 282aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 283aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger memset(&ifr, 0, sizeof(ifr)); 284aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 285aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (cmd == RTM_NEWADDR) 286aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger cmd = SIOCADDMULTI; 287aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger else 288aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger cmd = SIOCDELMULTI; 289aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 290aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger while (argc > 0) { 291aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (strcmp(*argv, "dev") == 0) { 292aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger NEXT_ARG(); 293aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (ifr.ifr_name[0]) 294aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger duparg("dev", *argv); 295aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger strncpy(ifr.ifr_name, *argv, IFNAMSIZ); 296aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } else { 297aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (matches(*argv, "address") == 0) { 298aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger NEXT_ARG(); 299aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 300aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (matches(*argv, "help") == 0) 301aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger usage(); 302aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (ifr.ifr_hwaddr.sa_data[0]) 303aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger duparg("address", *argv); 304ae665a522bd46bea44c5ea84c89c8b1731954170Stephen Hemminger if (ll_addr_a2n(ifr.ifr_hwaddr.sa_data, 305f332d169246447bd5e258ac03d5ee840a70adb1eshemminger 14, *argv) < 0) { 306aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fprintf(stderr, "Error: \"%s\" is not a legal ll address.\n", *argv); 307aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger exit(1); 308aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 309aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 310aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger argc--; argv++; 311aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 312aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (ifr.ifr_name[0] == 0) { 313aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fprintf(stderr, "Not enough information: \"dev\" is required.\n"); 314aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger exit(-1); 315aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 316aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 317aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fd = socket(AF_INET, SOCK_DGRAM, 0); 318aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (fd < 0) { 319aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger perror("Cannot create socket"); 320aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger exit(1); 321aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 322aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (ioctl(fd, cmd, (char*)&ifr) != 0) { 323aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger perror("ioctl"); 324aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger exit(1); 325aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 326aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger close(fd); 327aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 328aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger exit(0); 329aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} 330aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 331aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 332aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemmingerint do_multiaddr(int argc, char **argv) 333aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 334aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (argc < 1) 335aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return multiaddr_list(0, NULL); 336aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (matches(*argv, "add") == 0) 337aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return multiaddr_modify(RTM_NEWADDR, argc-1, argv+1); 338aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (matches(*argv, "delete") == 0) 339aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return multiaddr_modify(RTM_DELADDR, argc-1, argv+1); 340aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (matches(*argv, "list") == 0 || matches(*argv, "show") == 0 341aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger || matches(*argv, "lst") == 0) 342aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return multiaddr_list(argc-1, argv+1); 343aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (matches(*argv, "help") == 0) 344aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger usage(); 345aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fprintf(stderr, "Command \"%s\" is unknown, try \"ip maddr help\".\n", *argv); 346aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger exit(-1); 347aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} 348