utils.c revision 5dfe556188df2a3b2bfe73c8bc3b3b9216171a93
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 614094db72b61dadd16e180eab5f62ccbc82e3976dosdl.org!shemmingerint get_u32(__u32 *val, const char *arg, int base) 62aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 63aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger unsigned long res; 64aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger char *ptr; 65aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 66aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (!arg || !*arg) 67aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return -1; 68aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger res = strtoul(arg, &ptr, base); 69aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (!ptr || ptr == arg || *ptr || res > 0xFFFFFFFFUL) 70aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return -1; 71aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger *val = res; 72aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return 0; 73aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} 74aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 754094db72b61dadd16e180eab5f62ccbc82e3976dosdl.org!shemmingerint get_u16(__u16 *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 > 0xFFFF) 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_u8(__u8 *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 > 0xFF) 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_s16(__s16 *val, const char *arg, int base) 104aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 105aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 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 = strtol(arg, &ptr, base); 111aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (!ptr || ptr == arg || *ptr || res > 0x7FFF || res < -0x8000) 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_s8(__s8 *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 > 0x7F || res < -0x80) 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_addr_1(inet_prefix *addr, const char *name, int family) 132aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 1334094db72b61dadd16e180eab5f62ccbc82e3976dosdl.org!shemminger const char *cp; 134aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger unsigned char *ap = (unsigned char*)addr->data; 135aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger int i; 136aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 137aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger memset(addr, 0, sizeof(*addr)); 138aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 139aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (strcmp(name, "default") == 0 || 140aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger strcmp(name, "all") == 0 || 141aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger strcmp(name, "any") == 0) { 142aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (family == AF_DECnet) 143aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return -1; 144aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger addr->family = family; 145aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger addr->bytelen = (family == AF_INET6 ? 16 : 4); 146aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger addr->bitlen = -1; 147aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return 0; 148aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 149aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 150aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (strchr(name, ':')) { 151aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger addr->family = AF_INET6; 152aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (family != AF_UNSPEC && family != AF_INET6) 153aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return -1; 154aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (inet_pton(AF_INET6, name, addr->data) <= 0) 155aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return -1; 156aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger addr->bytelen = 16; 157aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger addr->bitlen = -1; 158aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return 0; 159aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 160aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 161aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (family == AF_DECnet) { 162aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger struct dn_naddr dna; 163aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger addr->family = AF_DECnet; 164aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (dnet_pton(AF_DECnet, name, &dna) <= 0) 165aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return -1; 166aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger memcpy(addr->data, dna.a_addr, 2); 167aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger addr->bytelen = 2; 168aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger addr->bitlen = -1; 169aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return 0; 170aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 171aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 172aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger addr->family = AF_INET; 173aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (family != AF_UNSPEC && family != AF_INET) 174aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return -1; 175aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger addr->bytelen = 4; 176aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger addr->bitlen = -1; 177aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger for (cp=name, i=0; *cp; cp++) { 178aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (*cp <= '9' && *cp >= '0') { 179aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger ap[i] = 10*ap[i] + (*cp-'0'); 180aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger continue; 181aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 182aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (*cp == '.' && ++i <= 3) 183aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger continue; 184aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return -1; 185aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 186aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return 0; 187aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} 188aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 189aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemmingerint get_prefix_1(inet_prefix *dst, char *arg, int family) 190aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 191aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger int err; 192aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger unsigned plen; 193aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger char *slash; 194aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 195aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger memset(dst, 0, sizeof(*dst)); 196aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 197aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (strcmp(arg, "default") == 0 || 198aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger strcmp(arg, "any") == 0 || 199aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger strcmp(arg, "all") == 0) { 200aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (family == AF_DECnet) 201aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return -1; 202aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger dst->family = family; 203aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger dst->bytelen = 0; 204aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger dst->bitlen = 0; 205aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return 0; 206aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 207aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 208aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger slash = strchr(arg, '/'); 209aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (slash) 210aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger *slash = 0; 211aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger err = get_addr_1(dst, arg, family); 212aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (err == 0) { 213aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger switch(dst->family) { 214aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger case AF_INET6: 215aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger dst->bitlen = 128; 216aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger break; 217aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger case AF_DECnet: 218aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger dst->bitlen = 16; 219aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger break; 220aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger default: 221aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger case AF_INET: 222aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger dst->bitlen = 32; 223aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 224aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (slash) { 225aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (get_integer(&plen, slash+1, 0) || plen > dst->bitlen) { 226aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger err = -1; 227aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger goto done; 228aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 229aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger dst->bitlen = plen; 230aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 231aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 232aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemmingerdone: 233aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (slash) 234aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger *slash = '/'; 235aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return err; 236aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} 237aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 238aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemmingerint get_addr(inet_prefix *dst, char *arg, int family) 239aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 240aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (family == AF_PACKET) { 241aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fprintf(stderr, "Error: \"%s\" may be inet address, but it is not allowed in this context.\n", arg); 242aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger exit(1); 243aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 244aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (get_addr_1(dst, arg, family)) { 245aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fprintf(stderr, "Error: an inet address is expected rather than \"%s\".\n", arg); 246aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger exit(1); 247aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 248aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return 0; 249aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} 250aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 251aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemmingerint get_prefix(inet_prefix *dst, char *arg, int family) 252aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 253aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (family == AF_PACKET) { 254aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fprintf(stderr, "Error: \"%s\" may be inet prefix, but it is not allowed in this context.\n", arg); 255aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger exit(1); 256aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 257aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (get_prefix_1(dst, arg, family)) { 258aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fprintf(stderr, "Error: an inet prefix is expected rather than \"%s\".\n", arg); 259aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger exit(1); 260aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 261aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return 0; 262aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} 263aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 264aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger__u32 get_addr32(char *name) 265aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 266aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger inet_prefix addr; 267aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (get_addr_1(&addr, name, AF_INET)) { 268aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fprintf(stderr, "Error: an IP address is expected rather than \"%s\"\n", name); 269aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger exit(1); 270aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 271aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return addr.data[0]; 272aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} 273aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 2744094db72b61dadd16e180eab5f62ccbc82e3976dosdl.org!shemmingervoid incomplete_command(void) 275aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 276aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fprintf(stderr, "Command line is not complete. Try option \"help\"\n"); 277aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger exit(-1); 278aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} 279aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 2804094db72b61dadd16e180eab5f62ccbc82e3976dosdl.org!shemmingervoid invarg(const char *msg, const char *arg) 281aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 282aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fprintf(stderr, "Error: argument \"%s\" is wrong: %s\n", arg, msg); 283aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger exit(-1); 284aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} 285aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 2864094db72b61dadd16e180eab5f62ccbc82e3976dosdl.org!shemmingervoid duparg(const char *key, const char *arg) 287aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 288aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fprintf(stderr, "Error: duplicate \"%s\": \"%s\" is the second value.\n", key, arg); 289aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger exit(-1); 290aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} 291aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 2924094db72b61dadd16e180eab5f62ccbc82e3976dosdl.org!shemmingervoid duparg2(const char *key, const char *arg) 293aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 294aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fprintf(stderr, "Error: either \"%s\" is duplicate, or \"%s\" is a garbage.\n", key, arg); 295aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger exit(-1); 296aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} 297aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 2984094db72b61dadd16e180eab5f62ccbc82e3976dosdl.org!shemmingerint matches(const char *cmd, const char *pattern) 299aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 300aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger int len = strlen(cmd); 301aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (len > strlen(pattern)) 302aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return -1; 303aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return memcmp(pattern, cmd, len); 304aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} 305aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 3064094db72b61dadd16e180eab5f62ccbc82e3976dosdl.org!shemmingerint inet_addr_match(const inet_prefix *a, const inet_prefix *b, int bits) 307aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 308aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger __u32 *a1 = a->data; 309aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger __u32 *a2 = b->data; 310aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger int words = bits >> 0x05; 311aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 312aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger bits &= 0x1f; 313aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 314aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (words) 315aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (memcmp(a1, a2, words << 2)) 316aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return -1; 317aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 318aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (bits) { 319aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger __u32 w1, w2; 320aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger __u32 mask; 321aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 322aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger w1 = a1[words]; 323aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger w2 = a2[words]; 324aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 325aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger mask = htonl((0xffffffff) << (0x20 - bits)); 326aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 327aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if ((w1 ^ w2) & mask) 328aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return 1; 329aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 330aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 331aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return 0; 332aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} 333aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 334aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemmingerint __iproute2_hz_internal; 335aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 336aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemmingerint __get_hz(void) 337aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 338aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger char name[1024]; 339aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger int hz = 0; 340aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger FILE *fp; 341aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 342aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (getenv("HZ")) 343aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return atoi(getenv("HZ")) ? : HZ; 344aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 345aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (getenv("PROC_NET_PSCHED")) { 346aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger snprintf(name, sizeof(name)-1, "%s", getenv("PROC_NET_PSCHED")); 347aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } else if (getenv("PROC_ROOT")) { 348aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger snprintf(name, sizeof(name)-1, "%s/net/psched", getenv("PROC_ROOT")); 349aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } else { 350aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger strcpy(name, "/proc/net/psched"); 351aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 352aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fp = fopen(name, "r"); 353aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 354aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (fp) { 355aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger unsigned nom, denom; 356aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (fscanf(fp, "%*08x%*08x%08x%08x", &nom, &denom) == 2) 357aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (nom == 1000000) 358aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger hz = denom; 359aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fclose(fp); 360aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 361aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (hz) 362aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return hz; 363aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return HZ; 364aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} 365aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 3664094db72b61dadd16e180eab5f62ccbc82e3976dosdl.org!shemmingerconst char *rt_addr_n2a(int af, int len, const void *addr, char *buf, int buflen) 367aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 368aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger switch (af) { 369aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger case AF_INET: 370aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger case AF_INET6: 371aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return inet_ntop(af, addr, buf, buflen); 372aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger case AF_IPX: 373aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return ipx_ntop(af, addr, buf, buflen); 374aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger case AF_DECnet: 375aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger { 376aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger struct dn_naddr dna = { 2, { 0, 0, }}; 377aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger memcpy(dna.a_addr, addr, 2); 378aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return dnet_ntop(af, &dna, buf, buflen); 379aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 380aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger default: 381aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return "???"; 382aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 383aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} 384aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 385aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger#ifdef RESOLVE_HOSTNAMES 386aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemmingerstruct namerec 387aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 388aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger struct namerec *next; 389aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger inet_prefix addr; 390aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger char *name; 391aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger}; 392aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 393aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemmingerstatic struct namerec *nht[256]; 394aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 3954094db72b61dadd16e180eab5f62ccbc82e3976dosdl.org!shemmingerchar *resolve_address(const char *addr, int len, int af) 396aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 397aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger struct namerec *n; 398aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger struct hostent *h_ent; 399aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger unsigned hash; 400aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger static int notfirst; 401aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 402aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 403aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (af == AF_INET6 && ((__u32*)addr)[0] == 0 && 404aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger ((__u32*)addr)[1] == 0 && ((__u32*)addr)[2] == htonl(0xffff)) { 405aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger af = AF_INET; 406aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger addr += 12; 407aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger len = 4; 408aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 409aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 410aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger hash = addr[len-1] ^ addr[len-2] ^ addr[len-3] ^ addr[len-4]; 411aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 412aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger for (n = nht[hash]; n; n = n->next) { 413aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (n->addr.family == af && 414aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger n->addr.bytelen == len && 415aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger memcmp(n->addr.data, addr, len) == 0) 416aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return n->name; 417aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 418aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if ((n = malloc(sizeof(*n))) == NULL) 419aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return NULL; 420aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger n->addr.family = af; 421aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger n->addr.bytelen = len; 422aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger n->name = NULL; 423aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger memcpy(n->addr.data, addr, len); 424aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger n->next = nht[hash]; 425aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger nht[hash] = n; 426aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (++notfirst == 1) 427aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger sethostent(1); 428aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fflush(stdout); 429aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 4304094db72b61dadd16e180eab5f62ccbc82e3976dosdl.org!shemminger if ((h_ent = gethostbyaddr(addr, len, af)) != NULL) 431aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger n->name = strdup(h_ent->h_name); 432aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 433aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger /* Even if we fail, "negative" entry is remembered. */ 434aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return n->name; 435aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} 436aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger#endif 437aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 438aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 4394094db72b61dadd16e180eab5f62ccbc82e3976dosdl.org!shemmingerconst char *format_host(int af, int len, const void *addr, 4404094db72b61dadd16e180eab5f62ccbc82e3976dosdl.org!shemminger char *buf, int buflen) 441aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 442aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger#ifdef RESOLVE_HOSTNAMES 443aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (resolve_hosts) { 444aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger char *n; 445aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (len <= 0) { 446aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger switch (af) { 447aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger case AF_INET: 448aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger len = 4; 449aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger break; 450aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger case AF_INET6: 451aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger len = 16; 452aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger break; 453aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger case AF_IPX: 454aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger len = 10; 455aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger break; 456aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger#ifdef AF_DECnet 457aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger /* I see no reasons why gethostbyname 458aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger may not work for DECnet */ 459aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger case AF_DECnet: 460aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger len = 2; 461aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger break; 462aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger#endif 463aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger default: ; 464aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 465aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 466aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (len > 0 && 467aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger (n = resolve_address(addr, len, af)) != NULL) 468aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return n; 469aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 470aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger#endif 471aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return rt_addr_n2a(af, len, addr, buf, buflen); 472aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} 473aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 474aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 475aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger__u8* hexstring_n2a(const __u8 *str, int len, __u8 *buf, int blen) 476aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 477aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger __u8 *ptr = buf; 478aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger int i; 479aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 480aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger for (i=0; i<len; i++) { 481aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (blen < 3) 482aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger break; 483aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger sprintf(ptr, "%02x", str[i]); 484aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger ptr += 2; 485aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger blen -= 2; 486aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (i != len-1 && blen > 1) { 487aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger *ptr++ = ':'; 488aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger blen--; 489aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 490aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 491aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return buf; 492aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} 493aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 494aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger__u8* hexstring_a2n(const __u8 *str, __u8 *buf, int blen) 495aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 496aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger int cnt = 0; 497aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 498aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger for (;;) { 499aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger unsigned acc; 500aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger char ch; 501aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 502aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger acc = 0; 503aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 504aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger while ((ch = *str) != ':' && ch != 0) { 505aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (ch >= '0' && ch <= '9') 506aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger ch -= '0'; 507aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger else if (ch >= 'a' && ch <= 'f') 508aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger ch -= 'a'-10; 509aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger else if (ch >= 'A' && ch <= 'F') 510aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger ch -= 'A'-10; 511aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger else 512aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return NULL; 513aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger acc = (acc<<4) + ch; 514aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger str++; 515aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 516aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 517aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (acc > 255) 518aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return NULL; 519aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (cnt < blen) { 520aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger buf[cnt] = acc; 521aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger cnt++; 522aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 523aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (ch == 0) 524aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger break; 525aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger ++str; 526aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 527aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (cnt < blen) 528aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger memset(buf+cnt, 0, blen-cnt); 529aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return buf; 530aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} 531