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" 31d1f28cf181a6f77f230d90267eef0ecfbcb25f30Stephen Hemminger#include "ip_common.h" 32aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 33aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemmingerstatic struct { 34aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger char *dev; 35aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger int family; 36aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} filter; 37aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 38aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemmingerstatic void usage(void) __attribute__((noreturn)); 39aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 40aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemmingerstatic void usage(void) 41aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 42aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fprintf(stderr, "Usage: ip maddr [ add | del ] MULTIADDR dev STRING\n"); 43aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fprintf(stderr, " ip maddr show [ dev STRING ]\n"); 44aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger exit(-1); 45aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} 46aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 477f71c0cae2db61890474e04ba3a26e40219e5561Olivier Fourdanstatic int parse_hex(char *str, unsigned char *addr, size_t size) 48aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 49d947b2384e03b74627831a3d5ba8fe21d4595dc6Stephen Hemminger int len = 0; 50aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 517f71c0cae2db61890474e04ba3a26e40219e5561Olivier Fourdan while (*str && (len < 2 * size)) { 52aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger int tmp; 53aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (str[1] == 0) 54aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return -1; 55aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (sscanf(str, "%02x", &tmp) != 1) 56aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return -1; 57aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger addr[len] = tmp; 58aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger len++; 59aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger str += 2; 60aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 61aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return len; 62aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} 63aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 64aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemmingerstruct ma_info 65aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 66aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger struct ma_info *next; 67aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger int index; 68aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger int users; 69aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger char *features; 70aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger char name[IFNAMSIZ]; 71aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger inet_prefix addr; 72aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger}; 73aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 74d1f28cf181a6f77f230d90267eef0ecfbcb25f30Stephen Hemmingerstatic void maddr_ins(struct ma_info **lst, struct ma_info *m) 75aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 76aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger struct ma_info *mp; 77aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 78d947b2384e03b74627831a3d5ba8fe21d4595dc6Stephen Hemminger for (; (mp = *lst) != NULL; lst = &mp->next) { 79aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (mp->index > m->index) 80aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger break; 81aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 82aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger m->next = *lst; 83aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger *lst = m; 84aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} 85aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 86d1f28cf181a6f77f230d90267eef0ecfbcb25f30Stephen Hemmingerstatic void read_dev_mcast(struct ma_info **result_p) 87aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 88aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger char buf[256]; 89aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger FILE *fp = fopen("/proc/net/dev_mcast", "r"); 90aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 91aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (!fp) 92aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return; 93aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 94aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger while (fgets(buf, sizeof(buf), fp)) { 95aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger char hexa[256]; 96aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger struct ma_info m; 97aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger int len; 98aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger int st; 99aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 100aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger memset(&m, 0, sizeof(m)); 101aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger sscanf(buf, "%d%s%d%d%s", &m.index, m.name, &m.users, &st, 102aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger hexa); 103aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (filter.dev && strcmp(filter.dev, m.name)) 104aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger continue; 105aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 106aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger m.addr.family = AF_PACKET; 107aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 1087f71c0cae2db61890474e04ba3a26e40219e5561Olivier Fourdan len = parse_hex(hexa, (unsigned char*)&m.addr.data, sizeof (m.addr.data)); 109aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (len >= 0) { 110aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger struct ma_info *ma = malloc(sizeof(m)); 111aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 112aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger memcpy(ma, &m, sizeof(m)); 113aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger ma->addr.bytelen = len; 114aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger ma->addr.bitlen = len<<3; 115aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (st) 116aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger ma->features = "static"; 117aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger maddr_ins(result_p, ma); 118aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 119aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 120aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fclose(fp); 121aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} 122aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 123d1f28cf181a6f77f230d90267eef0ecfbcb25f30Stephen Hemmingerstatic void read_igmp(struct ma_info **result_p) 124aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 125aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger struct ma_info m; 126aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger char buf[256]; 127aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger FILE *fp = fopen("/proc/net/igmp", "r"); 128aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 129aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (!fp) 130aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return; 131aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger memset(&m, 0, sizeof(m)); 13219bcc05beade576878abc04c53f17d4a5a620610Thomas Jarosch if (!fgets(buf, sizeof(buf), fp)) { 13319bcc05beade576878abc04c53f17d4a5a620610Thomas Jarosch fclose(fp); 13438c867d2a82d6f2b60450550fbaaadc5d9c77579Stephen Hemminger return; 13519bcc05beade576878abc04c53f17d4a5a620610Thomas Jarosch } 136aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 137aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger m.addr.family = AF_INET; 138aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger m.addr.bitlen = 32; 139aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger m.addr.bytelen = 4; 140aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 141aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger while (fgets(buf, sizeof(buf), fp)) { 1421f7190db3920f76cca7fdcd1bb318c6cfa4a3266Brandon Philips struct ma_info *ma; 143aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 144aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (buf[0] != '\t') { 145aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger sscanf(buf, "%d%s", &m.index, m.name); 146aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger continue; 147aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 148aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 149aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (filter.dev && strcmp(filter.dev, m.name)) 150aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger continue; 151aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 152aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger sscanf(buf, "%08x%d", (__u32*)&m.addr.data, &m.users); 153aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 154aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger ma = malloc(sizeof(m)); 155aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger memcpy(ma, &m, sizeof(m)); 156aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger maddr_ins(result_p, ma); 157aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 158aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fclose(fp); 159aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} 160aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 161aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 162d1f28cf181a6f77f230d90267eef0ecfbcb25f30Stephen Hemmingerstatic void read_igmp6(struct ma_info **result_p) 163aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 164aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger char buf[256]; 165aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger FILE *fp = fopen("/proc/net/igmp6", "r"); 166aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 167aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (!fp) 168aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return; 169aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 170aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger while (fgets(buf, sizeof(buf), fp)) { 171aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger char hexa[256]; 172aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger struct ma_info m; 173aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger int len; 174aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 175aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger memset(&m, 0, sizeof(m)); 176aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger sscanf(buf, "%d%s%s%d", &m.index, m.name, hexa, &m.users); 177aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 178aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (filter.dev && strcmp(filter.dev, m.name)) 179aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger continue; 180aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 181aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger m.addr.family = AF_INET6; 182aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 1837f71c0cae2db61890474e04ba3a26e40219e5561Olivier Fourdan len = parse_hex(hexa, (unsigned char*)&m.addr.data, sizeof (m.addr.data)); 184aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (len >= 0) { 185aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger struct ma_info *ma = malloc(sizeof(m)); 186aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 187aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger memcpy(ma, &m, sizeof(m)); 188aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 189aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger ma->addr.bytelen = len; 190aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger ma->addr.bitlen = len<<3; 191aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger maddr_ins(result_p, ma); 192aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 193aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 194aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fclose(fp); 195aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} 196aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 197aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemmingerstatic void print_maddr(FILE *fp, struct ma_info *list) 198aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 199aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fprintf(fp, "\t"); 200aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 201aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (list->addr.family == AF_PACKET) { 202aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger SPRINT_BUF(b1); 203aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fprintf(fp, "link %s", ll_addr_n2a((unsigned char*)list->addr.data, 204aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger list->addr.bytelen, 0, 205aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger b1, sizeof(b1))); 206aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } else { 207aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger char abuf[256]; 208aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger switch(list->addr.family) { 209aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger case AF_INET: 210aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fprintf(fp, "inet "); 211aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger break; 212aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger case AF_INET6: 213aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fprintf(fp, "inet6 "); 214aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger break; 215aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger default: 216aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fprintf(fp, "family %d ", list->addr.family); 217aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger break; 218aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 219ae665a522bd46bea44c5ea84c89c8b1731954170Stephen Hemminger fprintf(fp, "%s", 220aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger format_host(list->addr.family, 221aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger -1, 222aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger list->addr.data, 223aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger abuf, sizeof(abuf))); 224aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 225aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (list->users != 1) 226aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fprintf(fp, " users %d", list->users); 227aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (list->features) 228aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fprintf(fp, " %s", list->features); 229aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fprintf(fp, "\n"); 230aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} 231aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 232aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemmingerstatic void print_mlist(FILE *fp, struct ma_info *list) 233aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 234aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger int cur_index = 0; 235aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 236aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger for (; list; list = list->next) { 237aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (oneline) { 238aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger cur_index = list->index; 239aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fprintf(fp, "%d:\t%s%s", cur_index, list->name, _SL_); 240aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } else if (cur_index != list->index) { 241aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger cur_index = list->index; 242aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fprintf(fp, "%d:\t%s\n", cur_index, list->name); 243aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 244aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger print_maddr(fp, list); 245aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 246aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} 247aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 248aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemmingerstatic int multiaddr_list(int argc, char **argv) 249aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 250aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger struct ma_info *list = NULL; 251aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 252aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (!filter.family) 253aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger filter.family = preferred_family; 254aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 255aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger while (argc > 0) { 256aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (1) { 257aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (strcmp(*argv, "dev") == 0) { 258aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger NEXT_ARG(); 259aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 2608aacb9bbbd741c2873ee90118264ae2d5bbd9ae3Christoph Schulz else if (matches(*argv, "help") == 0) 261aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger usage(); 262aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (filter.dev) 263aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger duparg2("dev", *argv); 264aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger filter.dev = *argv; 265aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 266aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger argv++; argc--; 267aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 268aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 269aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (!filter.family || filter.family == AF_PACKET) 270aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger read_dev_mcast(&list); 271aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (!filter.family || filter.family == AF_INET) 272aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger read_igmp(&list); 273aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (!filter.family || filter.family == AF_INET6) 274aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger read_igmp6(&list); 275aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger print_mlist(stdout, list); 276aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return 0; 277aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} 278aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 279d1f28cf181a6f77f230d90267eef0ecfbcb25f30Stephen Hemmingerstatic int multiaddr_modify(int cmd, int argc, char **argv) 280aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 281aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger struct ifreq ifr; 282aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger int fd; 283aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 284aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger memset(&ifr, 0, sizeof(ifr)); 285aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 286aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (cmd == RTM_NEWADDR) 287aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger cmd = SIOCADDMULTI; 288aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger else 289aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger cmd = SIOCDELMULTI; 290aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 291aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger while (argc > 0) { 292aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (strcmp(*argv, "dev") == 0) { 293aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger NEXT_ARG(); 294aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (ifr.ifr_name[0]) 295aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger duparg("dev", *argv); 296aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger strncpy(ifr.ifr_name, *argv, IFNAMSIZ); 297aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } else { 298aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (matches(*argv, "address") == 0) { 299aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger NEXT_ARG(); 300aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 301aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (matches(*argv, "help") == 0) 302aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger usage(); 303aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (ifr.ifr_hwaddr.sa_data[0]) 304aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger duparg("address", *argv); 305ae665a522bd46bea44c5ea84c89c8b1731954170Stephen Hemminger if (ll_addr_a2n(ifr.ifr_hwaddr.sa_data, 306f332d169246447bd5e258ac03d5ee840a70adb1eshemminger 14, *argv) < 0) { 307aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fprintf(stderr, "Error: \"%s\" is not a legal ll address.\n", *argv); 308aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger exit(1); 309aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 310aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 311aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger argc--; argv++; 312aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 313aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (ifr.ifr_name[0] == 0) { 314aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fprintf(stderr, "Not enough information: \"dev\" is required.\n"); 315aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger exit(-1); 316aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 317aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 318aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fd = socket(AF_INET, SOCK_DGRAM, 0); 319aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (fd < 0) { 320aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger perror("Cannot create socket"); 321aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger exit(1); 322aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 323aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (ioctl(fd, cmd, (char*)&ifr) != 0) { 324aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger perror("ioctl"); 325aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger exit(1); 326aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 327aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger close(fd); 328aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 329aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger exit(0); 330aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} 331aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 332aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 333aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemmingerint do_multiaddr(int argc, char **argv) 334aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 335aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (argc < 1) 336aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return multiaddr_list(0, NULL); 337aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (matches(*argv, "add") == 0) 338aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return multiaddr_modify(RTM_NEWADDR, argc-1, argv+1); 339aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (matches(*argv, "delete") == 0) 340aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return multiaddr_modify(RTM_DELADDR, argc-1, argv+1); 341aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (matches(*argv, "list") == 0 || matches(*argv, "show") == 0 342aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger || matches(*argv, "lst") == 0) 343aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return multiaddr_list(argc-1, argv+1); 344aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (matches(*argv, "help") == 0) 345aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger usage(); 346aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fprintf(stderr, "Command \"%s\" is unknown, try \"ip maddr help\".\n", *argv); 347aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger exit(-1); 348aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} 349