utils.c revision 5e8bc6316b1a6c56598cdb29a737d1d670d74e69
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> 285dfe556188df2a3b2bfe73c8bc3b3b9216171a93osdl.org!shemminger#include <asm/types.h> 29aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger#include <linux/pkt_sched.h> 30aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 31aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger#include "utils.h" 32aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 334094db72b61dadd16e180eab5f62ccbc82e3976dosdl.org!shemmingerint get_integer(int *val, const char *arg, int base) 34aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 35aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger long res; 36aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger char *ptr; 37aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 38aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (!arg || !*arg) 39aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return -1; 40aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger res = strtol(arg, &ptr, base); 41aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (!ptr || ptr == arg || *ptr || res > INT_MAX || res < INT_MIN) 42aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return -1; 43aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger *val = res; 44aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return 0; 45aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} 46aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 474094db72b61dadd16e180eab5f62ccbc82e3976dosdl.org!shemmingerint get_unsigned(unsigned *val, const char *arg, int base) 48aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 49aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger unsigned long res; 50aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger char *ptr; 51aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 52aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (!arg || !*arg) 53aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return -1; 54aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger res = strtoul(arg, &ptr, base); 55aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (!ptr || ptr == arg || *ptr || res > UINT_MAX) 56aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return -1; 57aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger *val = res; 58aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return 0; 59aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} 60aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 61c7699875bee00fbcd057fc62c30d6560b044e007net[shemminger]!shemmingerint get_u64(__u64 *val, const char *arg, int base) 62c7699875bee00fbcd057fc62c30d6560b044e007net[shemminger]!shemminger{ 63c7699875bee00fbcd057fc62c30d6560b044e007net[shemminger]!shemminger unsigned long long res; 64c7699875bee00fbcd057fc62c30d6560b044e007net[shemminger]!shemminger char *ptr; 65c7699875bee00fbcd057fc62c30d6560b044e007net[shemminger]!shemminger 66c7699875bee00fbcd057fc62c30d6560b044e007net[shemminger]!shemminger if (!arg || !*arg) 67c7699875bee00fbcd057fc62c30d6560b044e007net[shemminger]!shemminger return -1; 68c7699875bee00fbcd057fc62c30d6560b044e007net[shemminger]!shemminger res = strtoull(arg, &ptr, base); 69c7699875bee00fbcd057fc62c30d6560b044e007net[shemminger]!shemminger if (!ptr || ptr == arg || *ptr || res == 0xFFFFFFFFULL) 70c7699875bee00fbcd057fc62c30d6560b044e007net[shemminger]!shemminger return -1; 71c7699875bee00fbcd057fc62c30d6560b044e007net[shemminger]!shemminger *val = res; 72c7699875bee00fbcd057fc62c30d6560b044e007net[shemminger]!shemminger return 0; 73c7699875bee00fbcd057fc62c30d6560b044e007net[shemminger]!shemminger} 74c7699875bee00fbcd057fc62c30d6560b044e007net[shemminger]!shemminger 754094db72b61dadd16e180eab5f62ccbc82e3976dosdl.org!shemmingerint get_u32(__u32 *val, const char *arg, int base) 76aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 77aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger unsigned long res; 78aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger char *ptr; 79aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 80aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (!arg || !*arg) 81aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return -1; 82aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger res = strtoul(arg, &ptr, base); 83aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (!ptr || ptr == arg || *ptr || res > 0xFFFFFFFFUL) 84aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return -1; 85aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger *val = res; 86aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return 0; 87aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} 88aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 894094db72b61dadd16e180eab5f62ccbc82e3976dosdl.org!shemmingerint get_u16(__u16 *val, const char *arg, int base) 90aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 91aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger unsigned long res; 92aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger char *ptr; 93aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 94aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (!arg || !*arg) 95aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return -1; 96aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger res = strtoul(arg, &ptr, base); 97aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (!ptr || ptr == arg || *ptr || res > 0xFFFF) 98aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return -1; 99aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger *val = res; 100aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return 0; 101aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} 102aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 1034094db72b61dadd16e180eab5f62ccbc82e3976dosdl.org!shemmingerint get_u8(__u8 *val, const char *arg, int base) 104aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 105aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger unsigned long res; 106aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger char *ptr; 107aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 108aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (!arg || !*arg) 109aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return -1; 110aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger res = strtoul(arg, &ptr, base); 111aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (!ptr || ptr == arg || *ptr || res > 0xFF) 112aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return -1; 113aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger *val = res; 114aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return 0; 115aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} 116aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 1174094db72b61dadd16e180eab5f62ccbc82e3976dosdl.org!shemmingerint get_s16(__s16 *val, const char *arg, int base) 118aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 119aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger long res; 120aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger char *ptr; 121aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 122aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (!arg || !*arg) 123aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return -1; 124aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger res = strtol(arg, &ptr, base); 125aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (!ptr || ptr == arg || *ptr || res > 0x7FFF || res < -0x8000) 126aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return -1; 127aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger *val = res; 128aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return 0; 129aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} 130aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 1314094db72b61dadd16e180eab5f62ccbc82e3976dosdl.org!shemmingerint get_s8(__s8 *val, const char *arg, int base) 132aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 133aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger long res; 134aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger char *ptr; 135aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 136aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (!arg || !*arg) 137aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return -1; 138aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger res = strtol(arg, &ptr, base); 139aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (!ptr || ptr == arg || *ptr || res > 0x7F || res < -0x80) 140aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return -1; 141aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger *val = res; 142aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return 0; 143aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} 144aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 1454094db72b61dadd16e180eab5f62ccbc82e3976dosdl.org!shemmingerint get_addr_1(inet_prefix *addr, const char *name, int family) 146aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 1474094db72b61dadd16e180eab5f62ccbc82e3976dosdl.org!shemminger const char *cp; 148aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger unsigned char *ap = (unsigned char*)addr->data; 149aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger int i; 150aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 151aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger memset(addr, 0, sizeof(*addr)); 152aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 153aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (strcmp(name, "default") == 0 || 154aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger strcmp(name, "all") == 0 || 155aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger strcmp(name, "any") == 0) { 156aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (family == AF_DECnet) 157aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return -1; 158aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger addr->family = family; 159aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger addr->bytelen = (family == AF_INET6 ? 16 : 4); 160aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger addr->bitlen = -1; 161aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return 0; 162aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 163aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 164aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (strchr(name, ':')) { 165aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger addr->family = AF_INET6; 166aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (family != AF_UNSPEC && family != AF_INET6) 167aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return -1; 168aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (inet_pton(AF_INET6, name, addr->data) <= 0) 169aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return -1; 170aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger addr->bytelen = 16; 171aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger addr->bitlen = -1; 172aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return 0; 173aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 174aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 175aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (family == AF_DECnet) { 176aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger struct dn_naddr dna; 177aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger addr->family = AF_DECnet; 178aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (dnet_pton(AF_DECnet, name, &dna) <= 0) 179aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return -1; 180aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger memcpy(addr->data, dna.a_addr, 2); 181aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger addr->bytelen = 2; 182aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger addr->bitlen = -1; 183aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return 0; 184aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 185aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 186aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger addr->family = AF_INET; 187aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (family != AF_UNSPEC && family != AF_INET) 188aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return -1; 189aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger addr->bytelen = 4; 190aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger addr->bitlen = -1; 191aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger for (cp=name, i=0; *cp; cp++) { 192aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (*cp <= '9' && *cp >= '0') { 193aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger ap[i] = 10*ap[i] + (*cp-'0'); 194aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger continue; 195aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 196aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (*cp == '.' && ++i <= 3) 197aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger continue; 198aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return -1; 199aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 200aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return 0; 201aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} 202aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 203fb9b1d0f6a9f355bceae435ea43f1c8f3635b2dfosdl.net!shemmingerint get_prefix_1(inet_prefix *dst, char *arg, int family) 204aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 205aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger int err; 206aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger unsigned plen; 207aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger char *slash; 208aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 209aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger memset(dst, 0, sizeof(*dst)); 210aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 211aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (strcmp(arg, "default") == 0 || 212aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger strcmp(arg, "any") == 0 || 213aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger strcmp(arg, "all") == 0) { 214aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (family == AF_DECnet) 215aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return -1; 216aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger dst->family = family; 217aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger dst->bytelen = 0; 218aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger dst->bitlen = 0; 219aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return 0; 220aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 221aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 222aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger slash = strchr(arg, '/'); 223aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (slash) 224aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger *slash = 0; 225fb9b1d0f6a9f355bceae435ea43f1c8f3635b2dfosdl.net!shemminger 226aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger err = get_addr_1(dst, arg, family); 227aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (err == 0) { 228aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger switch(dst->family) { 229aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger case AF_INET6: 230aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger dst->bitlen = 128; 231aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger break; 232aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger case AF_DECnet: 233aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger dst->bitlen = 16; 234aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger break; 235aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger default: 236aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger case AF_INET: 237aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger dst->bitlen = 32; 238aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 239aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (slash) { 240aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (get_integer(&plen, slash+1, 0) || plen > dst->bitlen) { 241aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger err = -1; 242aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger goto done; 243aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 244aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger dst->bitlen = plen; 245aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 246aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 247aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemmingerdone: 248aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (slash) 249aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger *slash = '/'; 250aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return err; 251aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} 252aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 253c7699875bee00fbcd057fc62c30d6560b044e007net[shemminger]!shemmingerint get_addr(inet_prefix *dst, const char *arg, int family) 254aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 255aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (family == AF_PACKET) { 256aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fprintf(stderr, "Error: \"%s\" may be inet address, but it is not allowed in this context.\n", arg); 257aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger exit(1); 258aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 259aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (get_addr_1(dst, arg, family)) { 260aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fprintf(stderr, "Error: an inet address is expected rather than \"%s\".\n", arg); 261aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger exit(1); 262aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 263aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return 0; 264aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} 265aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 266fb9b1d0f6a9f355bceae435ea43f1c8f3635b2dfosdl.net!shemmingerint get_prefix(inet_prefix *dst, char *arg, int family) 267aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 268aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (family == AF_PACKET) { 269aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fprintf(stderr, "Error: \"%s\" may be inet prefix, but it is not allowed in this context.\n", arg); 270aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger exit(1); 271aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 272aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (get_prefix_1(dst, arg, family)) { 273aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fprintf(stderr, "Error: an inet prefix is expected rather than \"%s\".\n", arg); 274aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger exit(1); 275aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 276aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return 0; 277aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} 278aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 279c7699875bee00fbcd057fc62c30d6560b044e007net[shemminger]!shemminger__u32 get_addr32(const char *name) 280aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 281aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger inet_prefix addr; 282aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (get_addr_1(&addr, name, AF_INET)) { 283aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fprintf(stderr, "Error: an IP address is expected rather than \"%s\"\n", name); 284aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger exit(1); 285aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 286aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return addr.data[0]; 287aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} 288aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 2894094db72b61dadd16e180eab5f62ccbc82e3976dosdl.org!shemmingervoid incomplete_command(void) 290aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 291aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fprintf(stderr, "Command line is not complete. Try option \"help\"\n"); 292aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger exit(-1); 293aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} 294aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 295c7699875bee00fbcd057fc62c30d6560b044e007net[shemminger]!shemmingervoid missarg(const char *key) 296c7699875bee00fbcd057fc62c30d6560b044e007net[shemminger]!shemminger{ 297c7699875bee00fbcd057fc62c30d6560b044e007net[shemminger]!shemminger fprintf(stderr, "Error: argument \"%s\" is required\n", key); 298c7699875bee00fbcd057fc62c30d6560b044e007net[shemminger]!shemminger exit(-1); 299c7699875bee00fbcd057fc62c30d6560b044e007net[shemminger]!shemminger} 300c7699875bee00fbcd057fc62c30d6560b044e007net[shemminger]!shemminger 3014094db72b61dadd16e180eab5f62ccbc82e3976dosdl.org!shemmingervoid invarg(const char *msg, const char *arg) 302aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 303aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fprintf(stderr, "Error: argument \"%s\" is wrong: %s\n", arg, msg); 304aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger exit(-1); 305aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} 306aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 3074094db72b61dadd16e180eab5f62ccbc82e3976dosdl.org!shemmingervoid duparg(const char *key, const char *arg) 308aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 309aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fprintf(stderr, "Error: duplicate \"%s\": \"%s\" is the second value.\n", key, arg); 310aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger exit(-1); 311aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} 312aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 3134094db72b61dadd16e180eab5f62ccbc82e3976dosdl.org!shemmingervoid duparg2(const char *key, const char *arg) 314aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 315aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fprintf(stderr, "Error: either \"%s\" is duplicate, or \"%s\" is a garbage.\n", key, arg); 316aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger exit(-1); 317aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} 318aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 3194094db72b61dadd16e180eab5f62ccbc82e3976dosdl.org!shemmingerint matches(const char *cmd, const char *pattern) 320aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 321aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger int len = strlen(cmd); 322aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (len > strlen(pattern)) 323aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return -1; 324aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return memcmp(pattern, cmd, len); 325aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} 326aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 3274094db72b61dadd16e180eab5f62ccbc82e3976dosdl.org!shemmingerint inet_addr_match(const inet_prefix *a, const inet_prefix *b, int bits) 328aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 329aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger __u32 *a1 = a->data; 330aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger __u32 *a2 = b->data; 331aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger int words = bits >> 0x05; 332aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 333aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger bits &= 0x1f; 334aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 335aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (words) 336aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (memcmp(a1, a2, words << 2)) 337aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return -1; 338aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 339aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (bits) { 340aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger __u32 w1, w2; 341aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger __u32 mask; 342aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 343aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger w1 = a1[words]; 344aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger w2 = a2[words]; 345aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 346aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger mask = htonl((0xffffffff) << (0x20 - bits)); 347aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 348aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if ((w1 ^ w2) & mask) 349aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return 1; 350aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 351aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 352aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return 0; 353aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} 354aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 355aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemmingerint __iproute2_hz_internal; 356aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 357aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemmingerint __get_hz(void) 358aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 359aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger char name[1024]; 360aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger int hz = 0; 361aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger FILE *fp; 362aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 363aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (getenv("HZ")) 364aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return atoi(getenv("HZ")) ? : HZ; 365aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 366aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (getenv("PROC_NET_PSCHED")) { 367aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger snprintf(name, sizeof(name)-1, "%s", getenv("PROC_NET_PSCHED")); 368c7699875bee00fbcd057fc62c30d6560b044e007net[shemminger]!shemminger } else if (getenv("PROC_ROOT")) { 369aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger snprintf(name, sizeof(name)-1, "%s/net/psched", getenv("PROC_ROOT")); 370aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } else { 371aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger strcpy(name, "/proc/net/psched"); 372aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 373aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fp = fopen(name, "r"); 374aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 375aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (fp) { 376aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger unsigned nom, denom; 377aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (fscanf(fp, "%*08x%*08x%08x%08x", &nom, &denom) == 2) 378aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (nom == 1000000) 379aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger hz = denom; 380aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fclose(fp); 381aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 382aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (hz) 383aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return hz; 384aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return HZ; 385aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} 386aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 3875e8bc6316b1a6c56598cdb29a737d1d670d74e69net[shemminger]!shemmingerint __iproute2_user_hz_internal; 3885e8bc6316b1a6c56598cdb29a737d1d670d74e69net[shemminger]!shemminger 3895e8bc6316b1a6c56598cdb29a737d1d670d74e69net[shemminger]!shemmingerint __get_user_hz(void) 3905e8bc6316b1a6c56598cdb29a737d1d670d74e69net[shemminger]!shemminger{ 3915e8bc6316b1a6c56598cdb29a737d1d670d74e69net[shemminger]!shemminger return sysconf(_SC_CLK_TCK); 3925e8bc6316b1a6c56598cdb29a737d1d670d74e69net[shemminger]!shemminger} 3935e8bc6316b1a6c56598cdb29a737d1d670d74e69net[shemminger]!shemminger 3944094db72b61dadd16e180eab5f62ccbc82e3976dosdl.org!shemmingerconst char *rt_addr_n2a(int af, int len, const void *addr, char *buf, int buflen) 395aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 396aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger switch (af) { 397aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger case AF_INET: 398aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger case AF_INET6: 399aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return inet_ntop(af, addr, buf, buflen); 400aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger case AF_IPX: 401aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return ipx_ntop(af, addr, buf, buflen); 402aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger case AF_DECnet: 403aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger { 404aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger struct dn_naddr dna = { 2, { 0, 0, }}; 405aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger memcpy(dna.a_addr, addr, 2); 406aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return dnet_ntop(af, &dna, buf, buflen); 407aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 408aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger default: 409aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return "???"; 410aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 411aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} 412aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 413aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger#ifdef RESOLVE_HOSTNAMES 414aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemmingerstruct namerec 415aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 416aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger struct namerec *next; 417aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger inet_prefix addr; 418aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger char *name; 419aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger}; 420aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 421aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemmingerstatic struct namerec *nht[256]; 422aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 4234094db72b61dadd16e180eab5f62ccbc82e3976dosdl.org!shemmingerchar *resolve_address(const char *addr, int len, int af) 424aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 425aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger struct namerec *n; 426aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger struct hostent *h_ent; 427aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger unsigned hash; 428aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger static int notfirst; 429aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 430aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 431aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (af == AF_INET6 && ((__u32*)addr)[0] == 0 && 432aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger ((__u32*)addr)[1] == 0 && ((__u32*)addr)[2] == htonl(0xffff)) { 433aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger af = AF_INET; 434aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger addr += 12; 435aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger len = 4; 436aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 437aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 438aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger hash = addr[len-1] ^ addr[len-2] ^ addr[len-3] ^ addr[len-4]; 439aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 440aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger for (n = nht[hash]; n; n = n->next) { 441aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (n->addr.family == af && 442aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger n->addr.bytelen == len && 443aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger memcmp(n->addr.data, addr, len) == 0) 444aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return n->name; 445aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 446aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if ((n = malloc(sizeof(*n))) == NULL) 447aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return NULL; 448aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger n->addr.family = af; 449aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger n->addr.bytelen = len; 450aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger n->name = NULL; 451aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger memcpy(n->addr.data, addr, len); 452aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger n->next = nht[hash]; 453aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger nht[hash] = n; 454aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (++notfirst == 1) 455aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger sethostent(1); 456aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fflush(stdout); 457aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 458c7699875bee00fbcd057fc62c30d6560b044e007net[shemminger]!shemminger if ((h_ent = gethostbyaddr(addr, len, af)) != NULL) 459aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger n->name = strdup(h_ent->h_name); 460aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 461aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger /* Even if we fail, "negative" entry is remembered. */ 462aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return n->name; 463aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} 464aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger#endif 465aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 466aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 467c7699875bee00fbcd057fc62c30d6560b044e007net[shemminger]!shemmingerconst char *format_host(int af, int len, const void *addr, 4684094db72b61dadd16e180eab5f62ccbc82e3976dosdl.org!shemminger char *buf, int buflen) 469aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 470aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger#ifdef RESOLVE_HOSTNAMES 471aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (resolve_hosts) { 472aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger char *n; 473aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (len <= 0) { 474aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger switch (af) { 475aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger case AF_INET: 476aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger len = 4; 477aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger break; 478aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger case AF_INET6: 479aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger len = 16; 480aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger break; 481aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger case AF_IPX: 482aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger len = 10; 483aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger break; 484aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger#ifdef AF_DECnet 485aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger /* I see no reasons why gethostbyname 486aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger may not work for DECnet */ 487aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger case AF_DECnet: 488aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger len = 2; 489aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger break; 490aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger#endif 491aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger default: ; 492aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 493aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 494aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (len > 0 && 495aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger (n = resolve_address(addr, len, af)) != NULL) 496aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return n; 497aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 498aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger#endif 499aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return rt_addr_n2a(af, len, addr, buf, buflen); 500aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} 501aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 502aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 503aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger__u8* hexstring_n2a(const __u8 *str, int len, __u8 *buf, int blen) 504aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 505aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger __u8 *ptr = buf; 506aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger int i; 507aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 508aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger for (i=0; i<len; i++) { 509aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (blen < 3) 510aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger break; 511aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger sprintf(ptr, "%02x", str[i]); 512aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger ptr += 2; 513aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger blen -= 2; 514aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (i != len-1 && blen > 1) { 515aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger *ptr++ = ':'; 516aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger blen--; 517aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 518aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 519aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return buf; 520aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} 521aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 522aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger__u8* hexstring_a2n(const __u8 *str, __u8 *buf, int blen) 523aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 524aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger int cnt = 0; 525aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 526aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger for (;;) { 527aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger unsigned acc; 528aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger char ch; 529aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 530aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger acc = 0; 531aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 532aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger while ((ch = *str) != ':' && ch != 0) { 533aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (ch >= '0' && ch <= '9') 534aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger ch -= '0'; 535aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger else if (ch >= 'a' && ch <= 'f') 536aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger ch -= 'a'-10; 537aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger else if (ch >= 'A' && ch <= 'F') 538aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger ch -= 'A'-10; 539aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger else 540aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return NULL; 541aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger acc = (acc<<4) + ch; 542aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger str++; 543aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 544aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 545aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (acc > 255) 546aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return NULL; 547aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (cnt < blen) { 548aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger buf[cnt] = acc; 549aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger cnt++; 550aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 551aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (ch == 0) 552aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger break; 553aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger ++str; 554aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 555aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (cnt < blen) 556aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger memset(buf+cnt, 0, blen-cnt); 557aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return buf; 558aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} 559