utils.c revision aba5acdfdb347d2c21fc67d613d83d4430ca3937
1aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger/* 2aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger * utils.c 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 * Changes: 13aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger * 14aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger * Rani Assaf <rani@magic.metawire.com> 980929: resolve addresses 15aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger */ 16aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 17aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger#include <stdio.h> 18aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger#include <stdlib.h> 19aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger#include <unistd.h> 20aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger#include <syslog.h> 21aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger#include <fcntl.h> 22aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger#include <sys/socket.h> 23aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger#include <netinet/in.h> 24aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger#include <string.h> 25aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger#include <netdb.h> 26aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger#include <arpa/inet.h> 27aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger#include <resolv.h> 28aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger#include <linux/pkt_sched.h> 29aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 30aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger#include "utils.h" 31aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 32aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemmingerint get_integer(int *val, char *arg, int base) 33aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 34aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger long res; 35aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger char *ptr; 36aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 37aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (!arg || !*arg) 38aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return -1; 39aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger res = strtol(arg, &ptr, base); 40aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (!ptr || ptr == arg || *ptr || res > INT_MAX || res < INT_MIN) 41aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return -1; 42aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger *val = res; 43aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return 0; 44aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} 45aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 46aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemmingerint get_unsigned(unsigned *val, char *arg, int base) 47aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 48aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger unsigned long res; 49aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger char *ptr; 50aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 51aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (!arg || !*arg) 52aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return -1; 53aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger res = strtoul(arg, &ptr, base); 54aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (!ptr || ptr == arg || *ptr || res > UINT_MAX) 55aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return -1; 56aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger *val = res; 57aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return 0; 58aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} 59aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 60aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemmingerint get_u32(__u32 *val, char *arg, int base) 61aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 62aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger unsigned long res; 63aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger char *ptr; 64aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 65aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (!arg || !*arg) 66aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return -1; 67aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger res = strtoul(arg, &ptr, base); 68aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (!ptr || ptr == arg || *ptr || res > 0xFFFFFFFFUL) 69aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return -1; 70aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger *val = res; 71aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return 0; 72aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} 73aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 74aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemmingerint get_u16(__u16 *val, char *arg, int base) 75aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 76aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger unsigned long res; 77aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger char *ptr; 78aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 79aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (!arg || !*arg) 80aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return -1; 81aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger res = strtoul(arg, &ptr, base); 82aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (!ptr || ptr == arg || *ptr || res > 0xFFFF) 83aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return -1; 84aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger *val = res; 85aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return 0; 86aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} 87aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 88aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemmingerint get_u8(__u8 *val, char *arg, int base) 89aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 90aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger unsigned long res; 91aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger char *ptr; 92aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 93aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (!arg || !*arg) 94aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return -1; 95aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger res = strtoul(arg, &ptr, base); 96aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (!ptr || ptr == arg || *ptr || res > 0xFF) 97aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return -1; 98aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger *val = res; 99aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return 0; 100aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} 101aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 102aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemmingerint get_s16(__s16 *val, char *arg, int base) 103aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 104aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger long res; 105aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger char *ptr; 106aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 107aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (!arg || !*arg) 108aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return -1; 109aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger res = strtol(arg, &ptr, base); 110aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (!ptr || ptr == arg || *ptr || res > 0x7FFF || res < -0x8000) 111aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return -1; 112aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger *val = res; 113aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return 0; 114aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} 115aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 116aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemmingerint get_s8(__s8 *val, char *arg, int base) 117aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 118aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger long res; 119aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger char *ptr; 120aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 121aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (!arg || !*arg) 122aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return -1; 123aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger res = strtol(arg, &ptr, base); 124aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (!ptr || ptr == arg || *ptr || res > 0x7F || res < -0x80) 125aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return -1; 126aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger *val = res; 127aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return 0; 128aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} 129aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 130aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemmingerint get_addr_1(inet_prefix *addr, char *name, int family) 131aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 132aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger char *cp; 133aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger unsigned char *ap = (unsigned char*)addr->data; 134aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger int i; 135aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 136aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger memset(addr, 0, sizeof(*addr)); 137aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 138aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (strcmp(name, "default") == 0 || 139aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger strcmp(name, "all") == 0 || 140aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger strcmp(name, "any") == 0) { 141aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (family == AF_DECnet) 142aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return -1; 143aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger addr->family = family; 144aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger addr->bytelen = (family == AF_INET6 ? 16 : 4); 145aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger addr->bitlen = -1; 146aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return 0; 147aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 148aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 149aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (strchr(name, ':')) { 150aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger addr->family = AF_INET6; 151aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (family != AF_UNSPEC && family != AF_INET6) 152aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return -1; 153aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (inet_pton(AF_INET6, name, addr->data) <= 0) 154aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return -1; 155aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger addr->bytelen = 16; 156aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger addr->bitlen = -1; 157aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return 0; 158aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 159aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 160aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (family == AF_DECnet) { 161aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger struct dn_naddr dna; 162aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger addr->family = AF_DECnet; 163aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (dnet_pton(AF_DECnet, name, &dna) <= 0) 164aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return -1; 165aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger memcpy(addr->data, dna.a_addr, 2); 166aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger addr->bytelen = 2; 167aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger addr->bitlen = -1; 168aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return 0; 169aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 170aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 171aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger addr->family = AF_INET; 172aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (family != AF_UNSPEC && family != AF_INET) 173aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return -1; 174aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger addr->bytelen = 4; 175aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger addr->bitlen = -1; 176aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger for (cp=name, i=0; *cp; cp++) { 177aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (*cp <= '9' && *cp >= '0') { 178aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger ap[i] = 10*ap[i] + (*cp-'0'); 179aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger continue; 180aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 181aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (*cp == '.' && ++i <= 3) 182aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger continue; 183aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return -1; 184aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 185aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return 0; 186aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} 187aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 188aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemmingerint get_prefix_1(inet_prefix *dst, char *arg, int family) 189aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 190aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger int err; 191aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger unsigned plen; 192aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger char *slash; 193aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 194aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger memset(dst, 0, sizeof(*dst)); 195aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 196aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (strcmp(arg, "default") == 0 || 197aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger strcmp(arg, "any") == 0 || 198aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger strcmp(arg, "all") == 0) { 199aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (family == AF_DECnet) 200aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return -1; 201aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger dst->family = family; 202aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger dst->bytelen = 0; 203aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger dst->bitlen = 0; 204aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return 0; 205aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 206aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 207aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger slash = strchr(arg, '/'); 208aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (slash) 209aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger *slash = 0; 210aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger err = get_addr_1(dst, arg, family); 211aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (err == 0) { 212aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger switch(dst->family) { 213aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger case AF_INET6: 214aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger dst->bitlen = 128; 215aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger break; 216aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger case AF_DECnet: 217aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger dst->bitlen = 16; 218aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger break; 219aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger default: 220aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger case AF_INET: 221aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger dst->bitlen = 32; 222aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 223aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (slash) { 224aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (get_integer(&plen, slash+1, 0) || plen > dst->bitlen) { 225aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger err = -1; 226aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger goto done; 227aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 228aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger dst->bitlen = plen; 229aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 230aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 231aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemmingerdone: 232aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (slash) 233aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger *slash = '/'; 234aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return err; 235aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} 236aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 237aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemmingerint get_addr(inet_prefix *dst, char *arg, int family) 238aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 239aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (family == AF_PACKET) { 240aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fprintf(stderr, "Error: \"%s\" may be inet address, but it is not allowed in this context.\n", arg); 241aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger exit(1); 242aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 243aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (get_addr_1(dst, arg, family)) { 244aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fprintf(stderr, "Error: an inet address is expected rather than \"%s\".\n", arg); 245aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger exit(1); 246aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 247aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return 0; 248aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} 249aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 250aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemmingerint get_prefix(inet_prefix *dst, char *arg, int family) 251aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 252aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (family == AF_PACKET) { 253aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fprintf(stderr, "Error: \"%s\" may be inet prefix, but it is not allowed in this context.\n", arg); 254aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger exit(1); 255aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 256aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (get_prefix_1(dst, arg, family)) { 257aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fprintf(stderr, "Error: an inet prefix is expected rather than \"%s\".\n", arg); 258aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger exit(1); 259aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 260aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return 0; 261aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} 262aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 263aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger__u32 get_addr32(char *name) 264aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 265aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger inet_prefix addr; 266aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (get_addr_1(&addr, name, AF_INET)) { 267aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fprintf(stderr, "Error: an IP address is expected rather than \"%s\"\n", name); 268aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger exit(1); 269aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 270aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return addr.data[0]; 271aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} 272aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 273aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemmingervoid incomplete_command() 274aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 275aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fprintf(stderr, "Command line is not complete. Try option \"help\"\n"); 276aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger exit(-1); 277aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} 278aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 279aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemmingervoid invarg(char *msg, char *arg) 280aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 281aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fprintf(stderr, "Error: argument \"%s\" is wrong: %s\n", arg, msg); 282aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger exit(-1); 283aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} 284aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 285aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemmingervoid duparg(char *key, char *arg) 286aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 287aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fprintf(stderr, "Error: duplicate \"%s\": \"%s\" is the second value.\n", key, arg); 288aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger exit(-1); 289aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} 290aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 291aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemmingervoid duparg2(char *key, char *arg) 292aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 293aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fprintf(stderr, "Error: either \"%s\" is duplicate, or \"%s\" is a garbage.\n", key, arg); 294aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger exit(-1); 295aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} 296aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 297aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemmingerint matches(char *cmd, char *pattern) 298aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 299aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger int len = strlen(cmd); 300aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (len > strlen(pattern)) 301aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return -1; 302aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return memcmp(pattern, cmd, len); 303aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} 304aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 305aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemmingerint inet_addr_match(inet_prefix *a, inet_prefix *b, int bits) 306aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 307aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger __u32 *a1 = a->data; 308aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger __u32 *a2 = b->data; 309aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger int words = bits >> 0x05; 310aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 311aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger bits &= 0x1f; 312aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 313aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (words) 314aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (memcmp(a1, a2, words << 2)) 315aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return -1; 316aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 317aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (bits) { 318aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger __u32 w1, w2; 319aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger __u32 mask; 320aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 321aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger w1 = a1[words]; 322aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger w2 = a2[words]; 323aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 324aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger mask = htonl((0xffffffff) << (0x20 - bits)); 325aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 326aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if ((w1 ^ w2) & mask) 327aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return 1; 328aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 329aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 330aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return 0; 331aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} 332aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 333aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemmingerint __iproute2_hz_internal; 334aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 335aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemmingerint __get_hz(void) 336aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 337aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger char name[1024]; 338aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger int hz = 0; 339aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger FILE *fp; 340aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 341aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (getenv("HZ")) 342aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return atoi(getenv("HZ")) ? : HZ; 343aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 344aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (getenv("PROC_NET_PSCHED")) { 345aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger snprintf(name, sizeof(name)-1, "%s", getenv("PROC_NET_PSCHED")); 346aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } else if (getenv("PROC_ROOT")) { 347aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger snprintf(name, sizeof(name)-1, "%s/net/psched", getenv("PROC_ROOT")); 348aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } else { 349aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger strcpy(name, "/proc/net/psched"); 350aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 351aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fp = fopen(name, "r"); 352aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 353aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (fp) { 354aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger unsigned nom, denom; 355aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (fscanf(fp, "%*08x%*08x%08x%08x", &nom, &denom) == 2) 356aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (nom == 1000000) 357aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger hz = denom; 358aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fclose(fp); 359aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 360aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (hz) 361aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return hz; 362aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return HZ; 363aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} 364aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 365aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemmingerconst char *rt_addr_n2a(int af, int len, void *addr, char *buf, int buflen) 366aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 367aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger switch (af) { 368aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger case AF_INET: 369aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger case AF_INET6: 370aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return inet_ntop(af, addr, buf, buflen); 371aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger case AF_IPX: 372aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return ipx_ntop(af, addr, buf, buflen); 373aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger case AF_DECnet: 374aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger { 375aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger struct dn_naddr dna = { 2, { 0, 0, }}; 376aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger memcpy(dna.a_addr, addr, 2); 377aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return dnet_ntop(af, &dna, buf, buflen); 378aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 379aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger default: 380aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return "???"; 381aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 382aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} 383aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 384aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger#ifdef RESOLVE_HOSTNAMES 385aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemmingerstruct namerec 386aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 387aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger struct namerec *next; 388aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger inet_prefix addr; 389aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger char *name; 390aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger}; 391aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 392aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemmingerstatic struct namerec *nht[256]; 393aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 394aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemmingerchar *resolve_address(char *addr, int len, int af) 395aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 396aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger struct namerec *n; 397aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger struct hostent *h_ent; 398aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger unsigned hash; 399aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger static int notfirst; 400aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 401aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 402aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (af == AF_INET6 && ((__u32*)addr)[0] == 0 && 403aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger ((__u32*)addr)[1] == 0 && ((__u32*)addr)[2] == htonl(0xffff)) { 404aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger af = AF_INET; 405aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger addr += 12; 406aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger len = 4; 407aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 408aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 409aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger hash = addr[len-1] ^ addr[len-2] ^ addr[len-3] ^ addr[len-4]; 410aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 411aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger for (n = nht[hash]; n; n = n->next) { 412aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (n->addr.family == af && 413aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger n->addr.bytelen == len && 414aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger memcmp(n->addr.data, addr, len) == 0) 415aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return n->name; 416aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 417aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if ((n = malloc(sizeof(*n))) == NULL) 418aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return NULL; 419aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger n->addr.family = af; 420aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger n->addr.bytelen = len; 421aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger n->name = NULL; 422aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger memcpy(n->addr.data, addr, len); 423aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger n->next = nht[hash]; 424aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger nht[hash] = n; 425aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (++notfirst == 1) 426aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger sethostent(1); 427aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fflush(stdout); 428aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 429aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if ((h_ent = gethostbyaddr(addr, len, af)) != NULL) 430aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger n->name = strdup(h_ent->h_name); 431aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 432aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger /* Even if we fail, "negative" entry is remembered. */ 433aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return n->name; 434aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} 435aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger#endif 436aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 437aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 438aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemmingerconst char *format_host(int af, int len, void *addr, char *buf, int buflen) 439aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 440aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger#ifdef RESOLVE_HOSTNAMES 441aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (resolve_hosts) { 442aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger char *n; 443aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (len <= 0) { 444aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger switch (af) { 445aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger case AF_INET: 446aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger len = 4; 447aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger break; 448aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger case AF_INET6: 449aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger len = 16; 450aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger break; 451aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger case AF_IPX: 452aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger len = 10; 453aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger break; 454aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger#ifdef AF_DECnet 455aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger /* I see no reasons why gethostbyname 456aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger may not work for DECnet */ 457aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger case AF_DECnet: 458aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger len = 2; 459aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger break; 460aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger#endif 461aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger default: ; 462aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 463aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 464aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (len > 0 && 465aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger (n = resolve_address(addr, len, af)) != NULL) 466aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return n; 467aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 468aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger#endif 469aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return rt_addr_n2a(af, len, addr, buf, buflen); 470aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} 471aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 472aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 473aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger__u8* hexstring_n2a(const __u8 *str, int len, __u8 *buf, int blen) 474aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 475aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger __u8 *ptr = buf; 476aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger int i; 477aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 478aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger for (i=0; i<len; i++) { 479aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (blen < 3) 480aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger break; 481aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger sprintf(ptr, "%02x", str[i]); 482aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger ptr += 2; 483aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger blen -= 2; 484aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (i != len-1 && blen > 1) { 485aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger *ptr++ = ':'; 486aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger blen--; 487aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 488aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 489aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return buf; 490aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} 491aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 492aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger__u8* hexstring_a2n(const __u8 *str, __u8 *buf, int blen) 493aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 494aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger int cnt = 0; 495aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 496aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger for (;;) { 497aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger unsigned acc; 498aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger char ch; 499aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 500aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger acc = 0; 501aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 502aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger while ((ch = *str) != ':' && ch != 0) { 503aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (ch >= '0' && ch <= '9') 504aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger ch -= '0'; 505aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger else if (ch >= 'a' && ch <= 'f') 506aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger ch -= 'a'-10; 507aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger else if (ch >= 'A' && ch <= 'F') 508aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger ch -= 'A'-10; 509aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger else 510aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return NULL; 511aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger acc = (acc<<4) + ch; 512aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger str++; 513aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 514aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 515aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (acc > 255) 516aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return NULL; 517aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (cnt < blen) { 518aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger buf[cnt] = acc; 519aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger cnt++; 520aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 521aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (ch == 0) 522aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger break; 523aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger ++str; 524aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 525aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (cnt < blen) 526aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger memset(buf+cnt, 0, blen-cnt); 527aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return buf; 528aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} 529