utils.c revision 656111b2f9c5932350e697a1aaa70ba2d9b40bc7
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 13aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger#include <stdio.h> 14aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger#include <stdlib.h> 15697ac63905cb5ca5389cd840462ee9868123b77fStephen Hemminger#include <math.h> 16aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger#include <unistd.h> 17aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger#include <syslog.h> 18aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger#include <fcntl.h> 195bd9dd49aecb66cae5e6d34197ab0487d946cc1dStrake#include <limits.h> 20aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger#include <sys/socket.h> 21aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger#include <netinet/in.h> 22aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger#include <string.h> 23aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger#include <netdb.h> 24aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger#include <arpa/inet.h> 255dfe556188df2a3b2bfe73c8bc3b3b9216171a93osdl.org!shemminger#include <asm/types.h> 26aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger#include <linux/pkt_sched.h> 275bd9dd49aecb66cae5e6d34197ab0487d946cc1dStrake#include <linux/param.h> 2890f93024a0818dc691138d8401721e797004b042shemminger#include <time.h> 2990f93024a0818dc691138d8401721e797004b042shemminger#include <sys/time.h> 3030d10db5667d3ca86917ca86c1a65cfcc45965f9Hagen Paul Pfeifer#include <errno.h> 3190f93024a0818dc691138d8401721e797004b042shemminger 32aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 33aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger#include "utils.h" 34aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 354094db72b61dadd16e180eab5f62ccbc82e3976dosdl.org!shemmingerint get_integer(int *val, const char *arg, int base) 36aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 37aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger long res; 38aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger char *ptr; 39aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 40aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (!arg || !*arg) 41aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return -1; 42697ac63905cb5ca5389cd840462ee9868123b77fStephen Hemminger 43aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger res = strtol(arg, &ptr, base); 44697ac63905cb5ca5389cd840462ee9868123b77fStephen Hemminger 45697ac63905cb5ca5389cd840462ee9868123b77fStephen Hemminger /* If there were no digits at all, strtol() stores 46697ac63905cb5ca5389cd840462ee9868123b77fStephen Hemminger * the original value of nptr in *endptr (and returns 0). 47697ac63905cb5ca5389cd840462ee9868123b77fStephen Hemminger * In particular, if *nptr is not '\0' but **endptr is '\0' on return, 48697ac63905cb5ca5389cd840462ee9868123b77fStephen Hemminger * the entire string is valid. 49697ac63905cb5ca5389cd840462ee9868123b77fStephen Hemminger */ 50697ac63905cb5ca5389cd840462ee9868123b77fStephen Hemminger if (!ptr || ptr == arg || *ptr) 51697ac63905cb5ca5389cd840462ee9868123b77fStephen Hemminger return -1; 52697ac63905cb5ca5389cd840462ee9868123b77fStephen Hemminger 53697ac63905cb5ca5389cd840462ee9868123b77fStephen Hemminger /* If an underflow occurs, strtol() returns LONG_MIN. 54697ac63905cb5ca5389cd840462ee9868123b77fStephen Hemminger * If an overflow occurs, strtol() returns LONG_MAX. 55697ac63905cb5ca5389cd840462ee9868123b77fStephen Hemminger * In both cases, errno is set to ERANGE. 56697ac63905cb5ca5389cd840462ee9868123b77fStephen Hemminger */ 57697ac63905cb5ca5389cd840462ee9868123b77fStephen Hemminger if ((res == LONG_MAX || res == LONG_MIN) && errno == ERANGE) 58aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return -1; 59697ac63905cb5ca5389cd840462ee9868123b77fStephen Hemminger 60697ac63905cb5ca5389cd840462ee9868123b77fStephen Hemminger /* Outside range of int */ 61697ac63905cb5ca5389cd840462ee9868123b77fStephen Hemminger if (res < INT_MIN || res > INT_MAX) 62697ac63905cb5ca5389cd840462ee9868123b77fStephen Hemminger return -1; 63697ac63905cb5ca5389cd840462ee9868123b77fStephen Hemminger 64aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger *val = res; 65aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return 0; 66aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} 67aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 686b1ac654e9364ad279d3c82d8a3ef93efa9f3dfaStephen Hemmingerint mask2bits(__u32 netmask) 694b270b172a6e570f4e9fa1ebb4bc67b0e715ee48Stephen Hemminger{ 704b270b172a6e570f4e9fa1ebb4bc67b0e715ee48Stephen Hemminger unsigned bits = 0; 716b1ac654e9364ad279d3c82d8a3ef93efa9f3dfaStephen Hemminger __u32 mask = ntohl(netmask); 726b1ac654e9364ad279d3c82d8a3ef93efa9f3dfaStephen Hemminger __u32 host = ~mask; 734b270b172a6e570f4e9fa1ebb4bc67b0e715ee48Stephen Hemminger 746b1ac654e9364ad279d3c82d8a3ef93efa9f3dfaStephen Hemminger /* a valid netmask must be 2^n - 1 */ 756b1ac654e9364ad279d3c82d8a3ef93efa9f3dfaStephen Hemminger if ((host & (host + 1)) != 0) 766b1ac654e9364ad279d3c82d8a3ef93efa9f3dfaStephen Hemminger return -1; 774b270b172a6e570f4e9fa1ebb4bc67b0e715ee48Stephen Hemminger 786b1ac654e9364ad279d3c82d8a3ef93efa9f3dfaStephen Hemminger for (; mask; mask <<= 1) 796b1ac654e9364ad279d3c82d8a3ef93efa9f3dfaStephen Hemminger ++bits; 804b270b172a6e570f4e9fa1ebb4bc67b0e715ee48Stephen Hemminger return bits; 814b270b172a6e570f4e9fa1ebb4bc67b0e715ee48Stephen Hemminger} 824b270b172a6e570f4e9fa1ebb4bc67b0e715ee48Stephen Hemminger 835a0d1cbf69269bfcb510a8b861b8a83aed0f6b85Andreas Henrikssonstatic int get_netmask(unsigned *val, const char *arg, int base) 845a0d1cbf69269bfcb510a8b861b8a83aed0f6b85Andreas Henriksson{ 855a0d1cbf69269bfcb510a8b861b8a83aed0f6b85Andreas Henriksson inet_prefix addr; 865a0d1cbf69269bfcb510a8b861b8a83aed0f6b85Andreas Henriksson 875a0d1cbf69269bfcb510a8b861b8a83aed0f6b85Andreas Henriksson if (!get_unsigned(val, arg, base)) 885a0d1cbf69269bfcb510a8b861b8a83aed0f6b85Andreas Henriksson return 0; 895a0d1cbf69269bfcb510a8b861b8a83aed0f6b85Andreas Henriksson 905a0d1cbf69269bfcb510a8b861b8a83aed0f6b85Andreas Henriksson /* try coverting dotted quad to CIDR */ 916b1ac654e9364ad279d3c82d8a3ef93efa9f3dfaStephen Hemminger if (!get_addr_1(&addr, arg, AF_INET) && addr.family == AF_INET) { 926b1ac654e9364ad279d3c82d8a3ef93efa9f3dfaStephen Hemminger int b = mask2bits(addr.data[0]); 936b1ac654e9364ad279d3c82d8a3ef93efa9f3dfaStephen Hemminger 946b1ac654e9364ad279d3c82d8a3ef93efa9f3dfaStephen Hemminger if (b >= 0) { 956b1ac654e9364ad279d3c82d8a3ef93efa9f3dfaStephen Hemminger *val = b; 965a0d1cbf69269bfcb510a8b861b8a83aed0f6b85Andreas Henriksson return 0; 976b1ac654e9364ad279d3c82d8a3ef93efa9f3dfaStephen Hemminger } 985a0d1cbf69269bfcb510a8b861b8a83aed0f6b85Andreas Henriksson } 995a0d1cbf69269bfcb510a8b861b8a83aed0f6b85Andreas Henriksson 1005a0d1cbf69269bfcb510a8b861b8a83aed0f6b85Andreas Henriksson return -1; 1015a0d1cbf69269bfcb510a8b861b8a83aed0f6b85Andreas Henriksson} 1025a0d1cbf69269bfcb510a8b861b8a83aed0f6b85Andreas Henriksson 1034094db72b61dadd16e180eab5f62ccbc82e3976dosdl.org!shemmingerint get_unsigned(unsigned *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; 110697ac63905cb5ca5389cd840462ee9868123b77fStephen Hemminger 111aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger res = strtoul(arg, &ptr, base); 112697ac63905cb5ca5389cd840462ee9868123b77fStephen Hemminger 113697ac63905cb5ca5389cd840462ee9868123b77fStephen Hemminger /* empty string or trailing non-digits */ 114697ac63905cb5ca5389cd840462ee9868123b77fStephen Hemminger if (!ptr || ptr == arg || *ptr) 115697ac63905cb5ca5389cd840462ee9868123b77fStephen Hemminger return -1; 116697ac63905cb5ca5389cd840462ee9868123b77fStephen Hemminger 117697ac63905cb5ca5389cd840462ee9868123b77fStephen Hemminger /* overflow */ 118697ac63905cb5ca5389cd840462ee9868123b77fStephen Hemminger if (res == ULONG_MAX && errno == ERANGE) 119aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return -1; 120697ac63905cb5ca5389cd840462ee9868123b77fStephen Hemminger 121697ac63905cb5ca5389cd840462ee9868123b77fStephen Hemminger /* out side range of unsigned */ 122697ac63905cb5ca5389cd840462ee9868123b77fStephen Hemminger if (res > UINT_MAX) 123697ac63905cb5ca5389cd840462ee9868123b77fStephen Hemminger return -1; 124697ac63905cb5ca5389cd840462ee9868123b77fStephen Hemminger 125aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger *val = res; 126aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return 0; 127aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} 128aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 12954e0b2e71d723e3b493ff53d1332b48250f5d4bcRick Jones/* 130db6b0cfa518de3b27c05bdf3efe05a7f77c4d97dGerrit Renker * get_time_rtt is "translated" from a similar routine "get_time" in 131db6b0cfa518de3b27c05bdf3efe05a7f77c4d97dGerrit Renker * tc_util.c. We don't use the exact same routine because tc passes 132db6b0cfa518de3b27c05bdf3efe05a7f77c4d97dGerrit Renker * microseconds to the kernel and the callers of get_time_rtt want to 133db6b0cfa518de3b27c05bdf3efe05a7f77c4d97dGerrit Renker * pass milliseconds (standard unit for rtt values since 2.6.27), and 134db6b0cfa518de3b27c05bdf3efe05a7f77c4d97dGerrit Renker * have a different assumption for the units of a "raw" number. 13554e0b2e71d723e3b493ff53d1332b48250f5d4bcRick Jones */ 136db6b0cfa518de3b27c05bdf3efe05a7f77c4d97dGerrit Renkerint get_time_rtt(unsigned *val, const char *arg, int *raw) 13754e0b2e71d723e3b493ff53d1332b48250f5d4bcRick Jones{ 13854e0b2e71d723e3b493ff53d1332b48250f5d4bcRick Jones double t; 13954e0b2e71d723e3b493ff53d1332b48250f5d4bcRick Jones unsigned long res; 14054e0b2e71d723e3b493ff53d1332b48250f5d4bcRick Jones char *p; 14154e0b2e71d723e3b493ff53d1332b48250f5d4bcRick Jones 142697ac63905cb5ca5389cd840462ee9868123b77fStephen Hemminger if (strchr(arg, '.') != NULL) { 143697ac63905cb5ca5389cd840462ee9868123b77fStephen Hemminger t = strtod(arg, &p); 14454e0b2e71d723e3b493ff53d1332b48250f5d4bcRick Jones if (t < 0.0) 14554e0b2e71d723e3b493ff53d1332b48250f5d4bcRick Jones return -1; 146697ac63905cb5ca5389cd840462ee9868123b77fStephen Hemminger 147697ac63905cb5ca5389cd840462ee9868123b77fStephen Hemminger /* extra non-digits */ 148697ac63905cb5ca5389cd840462ee9868123b77fStephen Hemminger if (!p || p == arg || *p) 149697ac63905cb5ca5389cd840462ee9868123b77fStephen Hemminger return -1; 150697ac63905cb5ca5389cd840462ee9868123b77fStephen Hemminger 151697ac63905cb5ca5389cd840462ee9868123b77fStephen Hemminger /* over/underflow */ 152697ac63905cb5ca5389cd840462ee9868123b77fStephen Hemminger if ((t == HUGE_VALF || t == HUGE_VALL) && errno == ERANGE) 153697ac63905cb5ca5389cd840462ee9868123b77fStephen Hemminger return -1; 154697ac63905cb5ca5389cd840462ee9868123b77fStephen Hemminger } else { 155897fb84fd9b872a544076f88430bc35fc12b7cc8Gerrit Renker res = strtoul(arg, &p, 0); 156697ac63905cb5ca5389cd840462ee9868123b77fStephen Hemminger 157697ac63905cb5ca5389cd840462ee9868123b77fStephen Hemminger /* empty string or trailing non-digits */ 158697ac63905cb5ca5389cd840462ee9868123b77fStephen Hemminger if (!p || p == arg || *p) 159697ac63905cb5ca5389cd840462ee9868123b77fStephen Hemminger return -1; 160697ac63905cb5ca5389cd840462ee9868123b77fStephen Hemminger 161697ac63905cb5ca5389cd840462ee9868123b77fStephen Hemminger /* overflow */ 162697ac63905cb5ca5389cd840462ee9868123b77fStephen Hemminger if (res == ULONG_MAX && errno == ERANGE) 16354e0b2e71d723e3b493ff53d1332b48250f5d4bcRick Jones return -1; 164697ac63905cb5ca5389cd840462ee9868123b77fStephen Hemminger 16554e0b2e71d723e3b493ff53d1332b48250f5d4bcRick Jones t = (double)res; 16654e0b2e71d723e3b493ff53d1332b48250f5d4bcRick Jones } 167697ac63905cb5ca5389cd840462ee9868123b77fStephen Hemminger 16854e0b2e71d723e3b493ff53d1332b48250f5d4bcRick Jones if (p == arg) 16954e0b2e71d723e3b493ff53d1332b48250f5d4bcRick Jones return -1; 17054e0b2e71d723e3b493ff53d1332b48250f5d4bcRick Jones *raw = 1; 17154e0b2e71d723e3b493ff53d1332b48250f5d4bcRick Jones 17254e0b2e71d723e3b493ff53d1332b48250f5d4bcRick Jones if (*p) { 17354e0b2e71d723e3b493ff53d1332b48250f5d4bcRick Jones *raw = 0; 17454e0b2e71d723e3b493ff53d1332b48250f5d4bcRick Jones if (strcasecmp(p, "s") == 0 || strcasecmp(p, "sec")==0 || 17554e0b2e71d723e3b493ff53d1332b48250f5d4bcRick Jones strcasecmp(p, "secs")==0) 176fca1dae821d627101914c36c9282fc244cd92744Gerrit Renker t *= 1000; 17754e0b2e71d723e3b493ff53d1332b48250f5d4bcRick Jones else if (strcasecmp(p, "ms") == 0 || strcasecmp(p, "msec")==0 || 17854e0b2e71d723e3b493ff53d1332b48250f5d4bcRick Jones strcasecmp(p, "msecs") == 0) 17954e0b2e71d723e3b493ff53d1332b48250f5d4bcRick Jones t *= 1.0; /* allow suffix, do nothing */ 18054e0b2e71d723e3b493ff53d1332b48250f5d4bcRick Jones else 18154e0b2e71d723e3b493ff53d1332b48250f5d4bcRick Jones return -1; 18254e0b2e71d723e3b493ff53d1332b48250f5d4bcRick Jones } 18354e0b2e71d723e3b493ff53d1332b48250f5d4bcRick Jones 18454e0b2e71d723e3b493ff53d1332b48250f5d4bcRick Jones /* emulate ceil() without having to bring-in -lm and always be >= 1 */ 18554e0b2e71d723e3b493ff53d1332b48250f5d4bcRick Jones 186db6b0cfa518de3b27c05bdf3efe05a7f77c4d97dGerrit Renker *val = t; 187db6b0cfa518de3b27c05bdf3efe05a7f77c4d97dGerrit Renker if (*val < t) 188db6b0cfa518de3b27c05bdf3efe05a7f77c4d97dGerrit Renker *val += 1; 18954e0b2e71d723e3b493ff53d1332b48250f5d4bcRick Jones 19054e0b2e71d723e3b493ff53d1332b48250f5d4bcRick Jones return 0; 19154e0b2e71d723e3b493ff53d1332b48250f5d4bcRick Jones 19254e0b2e71d723e3b493ff53d1332b48250f5d4bcRick Jones} 19354e0b2e71d723e3b493ff53d1332b48250f5d4bcRick Jones 194c7699875bee00fbcd057fc62c30d6560b044e007net[shemminger]!shemmingerint get_u64(__u64 *val, const char *arg, int base) 195c7699875bee00fbcd057fc62c30d6560b044e007net[shemminger]!shemminger{ 196c7699875bee00fbcd057fc62c30d6560b044e007net[shemminger]!shemminger unsigned long long res; 197c7699875bee00fbcd057fc62c30d6560b044e007net[shemminger]!shemminger char *ptr; 198c7699875bee00fbcd057fc62c30d6560b044e007net[shemminger]!shemminger 199c7699875bee00fbcd057fc62c30d6560b044e007net[shemminger]!shemminger if (!arg || !*arg) 200c7699875bee00fbcd057fc62c30d6560b044e007net[shemminger]!shemminger return -1; 201697ac63905cb5ca5389cd840462ee9868123b77fStephen Hemminger 202c7699875bee00fbcd057fc62c30d6560b044e007net[shemminger]!shemminger res = strtoull(arg, &ptr, base); 203697ac63905cb5ca5389cd840462ee9868123b77fStephen Hemminger 204697ac63905cb5ca5389cd840462ee9868123b77fStephen Hemminger /* empty string or trailing non-digits */ 205697ac63905cb5ca5389cd840462ee9868123b77fStephen Hemminger if (!ptr || ptr == arg || *ptr) 206697ac63905cb5ca5389cd840462ee9868123b77fStephen Hemminger return -1; 207697ac63905cb5ca5389cd840462ee9868123b77fStephen Hemminger 208697ac63905cb5ca5389cd840462ee9868123b77fStephen Hemminger /* overflow */ 209697ac63905cb5ca5389cd840462ee9868123b77fStephen Hemminger if (res == ULLONG_MAX && errno == ERANGE) 210697ac63905cb5ca5389cd840462ee9868123b77fStephen Hemminger return -1; 211697ac63905cb5ca5389cd840462ee9868123b77fStephen Hemminger 212697ac63905cb5ca5389cd840462ee9868123b77fStephen Hemminger /* in case ULL is 128 bits */ 213697ac63905cb5ca5389cd840462ee9868123b77fStephen Hemminger if (res > 0xFFFFFFFFFFFFFFFFULL) 214697ac63905cb5ca5389cd840462ee9868123b77fStephen Hemminger return -1; 215697ac63905cb5ca5389cd840462ee9868123b77fStephen Hemminger 216c7699875bee00fbcd057fc62c30d6560b044e007net[shemminger]!shemminger *val = res; 217c7699875bee00fbcd057fc62c30d6560b044e007net[shemminger]!shemminger return 0; 218c7699875bee00fbcd057fc62c30d6560b044e007net[shemminger]!shemminger} 219c7699875bee00fbcd057fc62c30d6560b044e007net[shemminger]!shemminger 2204094db72b61dadd16e180eab5f62ccbc82e3976dosdl.org!shemmingerint get_u32(__u32 *val, const char *arg, int base) 221aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 222aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger unsigned long res; 223aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger char *ptr; 224aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 225aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (!arg || !*arg) 226aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return -1; 227aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger res = strtoul(arg, &ptr, base); 228697ac63905cb5ca5389cd840462ee9868123b77fStephen Hemminger 229697ac63905cb5ca5389cd840462ee9868123b77fStephen Hemminger /* empty string or trailing non-digits */ 230697ac63905cb5ca5389cd840462ee9868123b77fStephen Hemminger if (!ptr || ptr == arg || *ptr) 231697ac63905cb5ca5389cd840462ee9868123b77fStephen Hemminger return -1; 232697ac63905cb5ca5389cd840462ee9868123b77fStephen Hemminger 233697ac63905cb5ca5389cd840462ee9868123b77fStephen Hemminger /* overflow */ 234697ac63905cb5ca5389cd840462ee9868123b77fStephen Hemminger if (res == ULONG_MAX && errno == ERANGE) 235697ac63905cb5ca5389cd840462ee9868123b77fStephen Hemminger return -1; 236697ac63905cb5ca5389cd840462ee9868123b77fStephen Hemminger 237697ac63905cb5ca5389cd840462ee9868123b77fStephen Hemminger /* in case UL > 32 bits */ 238697ac63905cb5ca5389cd840462ee9868123b77fStephen Hemminger if (res > 0xFFFFFFFFUL) 239aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return -1; 240697ac63905cb5ca5389cd840462ee9868123b77fStephen Hemminger 241aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger *val = res; 242aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return 0; 243aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} 244aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 2454094db72b61dadd16e180eab5f62ccbc82e3976dosdl.org!shemmingerint get_u16(__u16 *val, const char *arg, int base) 246aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 247aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger unsigned long res; 248aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger char *ptr; 249aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 250aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (!arg || !*arg) 251aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return -1; 252aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger res = strtoul(arg, &ptr, base); 253697ac63905cb5ca5389cd840462ee9868123b77fStephen Hemminger 254697ac63905cb5ca5389cd840462ee9868123b77fStephen Hemminger /* empty string or trailing non-digits */ 255697ac63905cb5ca5389cd840462ee9868123b77fStephen Hemminger if (!ptr || ptr == arg || *ptr) 256697ac63905cb5ca5389cd840462ee9868123b77fStephen Hemminger return -1; 257697ac63905cb5ca5389cd840462ee9868123b77fStephen Hemminger 258697ac63905cb5ca5389cd840462ee9868123b77fStephen Hemminger /* overflow */ 259697ac63905cb5ca5389cd840462ee9868123b77fStephen Hemminger if (res == ULONG_MAX && errno == ERANGE) 260aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return -1; 261697ac63905cb5ca5389cd840462ee9868123b77fStephen Hemminger 262697ac63905cb5ca5389cd840462ee9868123b77fStephen Hemminger if (res > 0xFFFFUL) 263697ac63905cb5ca5389cd840462ee9868123b77fStephen Hemminger return -1; 264697ac63905cb5ca5389cd840462ee9868123b77fStephen Hemminger 265aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger *val = res; 266aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return 0; 267aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} 268aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 2694094db72b61dadd16e180eab5f62ccbc82e3976dosdl.org!shemmingerint get_u8(__u8 *val, const char *arg, int base) 270aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 271aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger unsigned long res; 272aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger char *ptr; 273aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 274aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (!arg || !*arg) 275aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return -1; 276697ac63905cb5ca5389cd840462ee9868123b77fStephen Hemminger 277aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger res = strtoul(arg, &ptr, base); 278697ac63905cb5ca5389cd840462ee9868123b77fStephen Hemminger /* empty string or trailing non-digits */ 279697ac63905cb5ca5389cd840462ee9868123b77fStephen Hemminger if (!ptr || ptr == arg || *ptr) 280697ac63905cb5ca5389cd840462ee9868123b77fStephen Hemminger return -1; 281697ac63905cb5ca5389cd840462ee9868123b77fStephen Hemminger 282697ac63905cb5ca5389cd840462ee9868123b77fStephen Hemminger /* overflow */ 283697ac63905cb5ca5389cd840462ee9868123b77fStephen Hemminger if (res == ULONG_MAX && errno == ERANGE) 284aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return -1; 285697ac63905cb5ca5389cd840462ee9868123b77fStephen Hemminger 286697ac63905cb5ca5389cd840462ee9868123b77fStephen Hemminger if (res > 0xFFUL) 287697ac63905cb5ca5389cd840462ee9868123b77fStephen Hemminger return -1; 288697ac63905cb5ca5389cd840462ee9868123b77fStephen Hemminger 289aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger *val = res; 290aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return 0; 291aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} 292aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 29330d10db5667d3ca86917ca86c1a65cfcc45965f9Hagen Paul Pfeiferint get_s32(__s32 *val, const char *arg, int base) 29430d10db5667d3ca86917ca86c1a65cfcc45965f9Hagen Paul Pfeifer{ 29530d10db5667d3ca86917ca86c1a65cfcc45965f9Hagen Paul Pfeifer long res; 29630d10db5667d3ca86917ca86c1a65cfcc45965f9Hagen Paul Pfeifer char *ptr; 29730d10db5667d3ca86917ca86c1a65cfcc45965f9Hagen Paul Pfeifer 29830d10db5667d3ca86917ca86c1a65cfcc45965f9Hagen Paul Pfeifer errno = 0; 29930d10db5667d3ca86917ca86c1a65cfcc45965f9Hagen Paul Pfeifer 30030d10db5667d3ca86917ca86c1a65cfcc45965f9Hagen Paul Pfeifer if (!arg || !*arg) 30130d10db5667d3ca86917ca86c1a65cfcc45965f9Hagen Paul Pfeifer return -1; 30230d10db5667d3ca86917ca86c1a65cfcc45965f9Hagen Paul Pfeifer res = strtol(arg, &ptr, base); 303697ac63905cb5ca5389cd840462ee9868123b77fStephen Hemminger if (!ptr || ptr == arg || *ptr) 304697ac63905cb5ca5389cd840462ee9868123b77fStephen Hemminger return -1; 305697ac63905cb5ca5389cd840462ee9868123b77fStephen Hemminger if ((res == LONG_MIN || res == LONG_MAX) && errno == ERANGE) 30630d10db5667d3ca86917ca86c1a65cfcc45965f9Hagen Paul Pfeifer return -1; 307697ac63905cb5ca5389cd840462ee9868123b77fStephen Hemminger if (res > INT32_MAX || res < INT32_MIN) 308697ac63905cb5ca5389cd840462ee9868123b77fStephen Hemminger return -1; 309697ac63905cb5ca5389cd840462ee9868123b77fStephen Hemminger 31030d10db5667d3ca86917ca86c1a65cfcc45965f9Hagen Paul Pfeifer *val = res; 31130d10db5667d3ca86917ca86c1a65cfcc45965f9Hagen Paul Pfeifer return 0; 31230d10db5667d3ca86917ca86c1a65cfcc45965f9Hagen Paul Pfeifer} 31330d10db5667d3ca86917ca86c1a65cfcc45965f9Hagen Paul Pfeifer 3144094db72b61dadd16e180eab5f62ccbc82e3976dosdl.org!shemmingerint get_s16(__s16 *val, const char *arg, int base) 315aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 316aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger long res; 317aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger char *ptr; 318aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 319aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (!arg || !*arg) 320aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return -1; 321aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger res = strtol(arg, &ptr, base); 322697ac63905cb5ca5389cd840462ee9868123b77fStephen Hemminger if (!ptr || ptr == arg || *ptr) 323697ac63905cb5ca5389cd840462ee9868123b77fStephen Hemminger return -1; 324697ac63905cb5ca5389cd840462ee9868123b77fStephen Hemminger if ((res == LONG_MIN || res == LONG_MAX) && errno == ERANGE) 325697ac63905cb5ca5389cd840462ee9868123b77fStephen Hemminger return -1; 326697ac63905cb5ca5389cd840462ee9868123b77fStephen Hemminger if (res > 0x7FFF || res < -0x8000) 327aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return -1; 328697ac63905cb5ca5389cd840462ee9868123b77fStephen Hemminger 329aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger *val = res; 330aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return 0; 331aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} 332aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 3334094db72b61dadd16e180eab5f62ccbc82e3976dosdl.org!shemmingerint get_s8(__s8 *val, const char *arg, int base) 334aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 335aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger long res; 336aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger char *ptr; 337aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 338aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (!arg || !*arg) 339aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return -1; 340aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger res = strtol(arg, &ptr, base); 341697ac63905cb5ca5389cd840462ee9868123b77fStephen Hemminger if (!ptr || ptr == arg || *ptr) 342697ac63905cb5ca5389cd840462ee9868123b77fStephen Hemminger return -1; 343697ac63905cb5ca5389cd840462ee9868123b77fStephen Hemminger if ((res == LONG_MIN || res == LONG_MAX) && errno == ERANGE) 344697ac63905cb5ca5389cd840462ee9868123b77fStephen Hemminger return -1; 345697ac63905cb5ca5389cd840462ee9868123b77fStephen Hemminger if (res > 0x7F || res < -0x80) 346aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return -1; 347aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger *val = res; 348aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return 0; 349aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} 350aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 351cafa6c8ec1d6e4bddde190edb742be864ce3f9b3Stephen Hemminger/* This uses a non-standard parsing (ie not inet_aton, or inet_pton) 352cafa6c8ec1d6e4bddde190edb742be864ce3f9b3Stephen Hemminger * because of legacy choice to parse 10.8 as 10.8.0.0 not 10.0.0.8 353cafa6c8ec1d6e4bddde190edb742be864ce3f9b3Stephen Hemminger */ 354cafa6c8ec1d6e4bddde190edb742be864ce3f9b3Stephen Hemmingerstatic int get_addr_ipv4(__u8 *ap, const char *cp) 355aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 356cafa6c8ec1d6e4bddde190edb742be864ce3f9b3Stephen Hemminger int i; 357cafa6c8ec1d6e4bddde190edb742be864ce3f9b3Stephen Hemminger 358cafa6c8ec1d6e4bddde190edb742be864ce3f9b3Stephen Hemminger for (i = 0; i < 4; i++) { 359cafa6c8ec1d6e4bddde190edb742be864ce3f9b3Stephen Hemminger unsigned long n; 360cafa6c8ec1d6e4bddde190edb742be864ce3f9b3Stephen Hemminger char *endp; 361cafa6c8ec1d6e4bddde190edb742be864ce3f9b3Stephen Hemminger 362cafa6c8ec1d6e4bddde190edb742be864ce3f9b3Stephen Hemminger n = strtoul(cp, &endp, 0); 363cafa6c8ec1d6e4bddde190edb742be864ce3f9b3Stephen Hemminger if (n > 255) 364cafa6c8ec1d6e4bddde190edb742be864ce3f9b3Stephen Hemminger return -1; /* bogus network value */ 365cafa6c8ec1d6e4bddde190edb742be864ce3f9b3Stephen Hemminger 366cafa6c8ec1d6e4bddde190edb742be864ce3f9b3Stephen Hemminger if (endp == cp) /* no digits */ 367cafa6c8ec1d6e4bddde190edb742be864ce3f9b3Stephen Hemminger return -1; 36894afda752956ddc6ff1accf931bc3d03c070bb18Stephen Hemminger 369cafa6c8ec1d6e4bddde190edb742be864ce3f9b3Stephen Hemminger ap[i] = n; 370cafa6c8ec1d6e4bddde190edb742be864ce3f9b3Stephen Hemminger 371cafa6c8ec1d6e4bddde190edb742be864ce3f9b3Stephen Hemminger if (*endp == '\0') 372cafa6c8ec1d6e4bddde190edb742be864ce3f9b3Stephen Hemminger break; 373cafa6c8ec1d6e4bddde190edb742be864ce3f9b3Stephen Hemminger 374cafa6c8ec1d6e4bddde190edb742be864ce3f9b3Stephen Hemminger if (i == 3 || *endp != '.') 375cafa6c8ec1d6e4bddde190edb742be864ce3f9b3Stephen Hemminger return -1; /* extra characters */ 376cafa6c8ec1d6e4bddde190edb742be864ce3f9b3Stephen Hemminger cp = endp + 1; 377cafa6c8ec1d6e4bddde190edb742be864ce3f9b3Stephen Hemminger } 378cafa6c8ec1d6e4bddde190edb742be864ce3f9b3Stephen Hemminger 379cafa6c8ec1d6e4bddde190edb742be864ce3f9b3Stephen Hemminger return 1; 380cafa6c8ec1d6e4bddde190edb742be864ce3f9b3Stephen Hemminger} 381cafa6c8ec1d6e4bddde190edb742be864ce3f9b3Stephen Hemminger 382cafa6c8ec1d6e4bddde190edb742be864ce3f9b3Stephen Hemmingerint get_addr_1(inet_prefix *addr, const char *name, int family) 383cafa6c8ec1d6e4bddde190edb742be864ce3f9b3Stephen Hemminger{ 384aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger memset(addr, 0, sizeof(*addr)); 385aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 386aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (strcmp(name, "default") == 0 || 387aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger strcmp(name, "all") == 0 || 388aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger strcmp(name, "any") == 0) { 389aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (family == AF_DECnet) 390aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return -1; 391aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger addr->family = family; 392aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger addr->bytelen = (family == AF_INET6 ? 16 : 4); 393aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger addr->bitlen = -1; 394aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return 0; 395aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 396aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 397aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (strchr(name, ':')) { 398aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger addr->family = AF_INET6; 399aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (family != AF_UNSPEC && family != AF_INET6) 400aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return -1; 401aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (inet_pton(AF_INET6, name, addr->data) <= 0) 402aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return -1; 403aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger addr->bytelen = 16; 404aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger addr->bitlen = -1; 405aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return 0; 406aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 407aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 408aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (family == AF_DECnet) { 409aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger struct dn_naddr dna; 410aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger addr->family = AF_DECnet; 411aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (dnet_pton(AF_DECnet, name, &dna) <= 0) 412aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return -1; 413aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger memcpy(addr->data, dna.a_addr, 2); 414aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger addr->bytelen = 2; 415aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger addr->bitlen = -1; 416aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return 0; 417aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 418aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 419aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger addr->family = AF_INET; 420aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (family != AF_UNSPEC && family != AF_INET) 421aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return -1; 42294afda752956ddc6ff1accf931bc3d03c070bb18Stephen Hemminger 423cafa6c8ec1d6e4bddde190edb742be864ce3f9b3Stephen Hemminger if (get_addr_ipv4((__u8 *)addr->data, name) <= 0) 424516ffb6b7724e97ca035293dcfd9f94cf6ce3a47Stephen Hemminger return -1; 42594afda752956ddc6ff1accf931bc3d03c070bb18Stephen Hemminger 426aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger addr->bytelen = 4; 427aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger addr->bitlen = -1; 428aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return 0; 429aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} 430aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 431fb9b1d0f6a9f355bceae435ea43f1c8f3635b2dfosdl.net!shemmingerint get_prefix_1(inet_prefix *dst, char *arg, int family) 432aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 433aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger int err; 434aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger unsigned plen; 435aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger char *slash; 436aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 437aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger memset(dst, 0, sizeof(*dst)); 438aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 439aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (strcmp(arg, "default") == 0 || 440aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger strcmp(arg, "any") == 0 || 441aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger strcmp(arg, "all") == 0) { 442aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (family == AF_DECnet) 443aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return -1; 444aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger dst->family = family; 445aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger dst->bytelen = 0; 446aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger dst->bitlen = 0; 447aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return 0; 448aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 449aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 450aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger slash = strchr(arg, '/'); 451aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (slash) 452aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger *slash = 0; 453fb9b1d0f6a9f355bceae435ea43f1c8f3635b2dfosdl.net!shemminger 454aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger err = get_addr_1(dst, arg, family); 455aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (err == 0) { 456aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger switch(dst->family) { 457656111b2f9c5932350e697a1aaa70ba2d9b40bc7Stephen Hemminger case AF_INET6: 458656111b2f9c5932350e697a1aaa70ba2d9b40bc7Stephen Hemminger dst->bitlen = 128; 459656111b2f9c5932350e697a1aaa70ba2d9b40bc7Stephen Hemminger break; 460656111b2f9c5932350e697a1aaa70ba2d9b40bc7Stephen Hemminger case AF_DECnet: 461656111b2f9c5932350e697a1aaa70ba2d9b40bc7Stephen Hemminger dst->bitlen = 16; 462656111b2f9c5932350e697a1aaa70ba2d9b40bc7Stephen Hemminger break; 463656111b2f9c5932350e697a1aaa70ba2d9b40bc7Stephen Hemminger default: 464656111b2f9c5932350e697a1aaa70ba2d9b40bc7Stephen Hemminger case AF_INET: 465656111b2f9c5932350e697a1aaa70ba2d9b40bc7Stephen Hemminger dst->bitlen = 32; 466aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 467aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (slash) { 4685a0d1cbf69269bfcb510a8b861b8a83aed0f6b85Andreas Henriksson if (get_netmask(&plen, slash+1, 0) 469656111b2f9c5932350e697a1aaa70ba2d9b40bc7Stephen Hemminger || plen > dst->bitlen) { 470aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger err = -1; 471aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger goto done; 472aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 473f082b64fb40b467bc1f9e5d245114aae4e256d5cnet[shemminger]!shemminger dst->flags |= PREFIXLEN_SPECIFIED; 474aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger dst->bitlen = plen; 475aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 476aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 477aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemmingerdone: 478aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (slash) 479aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger *slash = '/'; 480aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return err; 481aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} 482aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 483c7699875bee00fbcd057fc62c30d6560b044e007net[shemminger]!shemmingerint get_addr(inet_prefix *dst, const char *arg, int family) 484aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 485aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (family == AF_PACKET) { 486aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fprintf(stderr, "Error: \"%s\" may be inet address, but it is not allowed in this context.\n", arg); 487aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger exit(1); 488aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 489aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (get_addr_1(dst, arg, family)) { 490aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fprintf(stderr, "Error: an inet address is expected rather than \"%s\".\n", arg); 491aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger exit(1); 492aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 493aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return 0; 494aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} 495aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 496fb9b1d0f6a9f355bceae435ea43f1c8f3635b2dfosdl.net!shemmingerint get_prefix(inet_prefix *dst, char *arg, int family) 497aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 498aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (family == AF_PACKET) { 499aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fprintf(stderr, "Error: \"%s\" may be inet prefix, but it is not allowed in this context.\n", arg); 500aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger exit(1); 501aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 502aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (get_prefix_1(dst, arg, family)) { 503aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fprintf(stderr, "Error: an inet prefix is expected rather than \"%s\".\n", arg); 504aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger exit(1); 505aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 506aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return 0; 507aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} 508aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 509c7699875bee00fbcd057fc62c30d6560b044e007net[shemminger]!shemminger__u32 get_addr32(const char *name) 510aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 511aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger inet_prefix addr; 512aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (get_addr_1(&addr, name, AF_INET)) { 513aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fprintf(stderr, "Error: an IP address is expected rather than \"%s\"\n", name); 514aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger exit(1); 515aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 516aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return addr.data[0]; 517aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} 518aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 5194094db72b61dadd16e180eab5f62ccbc82e3976dosdl.org!shemmingervoid incomplete_command(void) 520aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 521aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fprintf(stderr, "Command line is not complete. Try option \"help\"\n"); 522aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger exit(-1); 523aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} 524aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 525c7699875bee00fbcd057fc62c30d6560b044e007net[shemminger]!shemmingervoid missarg(const char *key) 526c7699875bee00fbcd057fc62c30d6560b044e007net[shemminger]!shemminger{ 527c7699875bee00fbcd057fc62c30d6560b044e007net[shemminger]!shemminger fprintf(stderr, "Error: argument \"%s\" is required\n", key); 528c7699875bee00fbcd057fc62c30d6560b044e007net[shemminger]!shemminger exit(-1); 529c7699875bee00fbcd057fc62c30d6560b044e007net[shemminger]!shemminger} 530c7699875bee00fbcd057fc62c30d6560b044e007net[shemminger]!shemminger 5314094db72b61dadd16e180eab5f62ccbc82e3976dosdl.org!shemmingervoid invarg(const char *msg, const char *arg) 532aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 533aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fprintf(stderr, "Error: argument \"%s\" is wrong: %s\n", arg, msg); 534aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger exit(-1); 535aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} 536aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 5374094db72b61dadd16e180eab5f62ccbc82e3976dosdl.org!shemmingervoid duparg(const char *key, const char *arg) 538aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 539aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fprintf(stderr, "Error: duplicate \"%s\": \"%s\" is the second value.\n", key, arg); 540aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger exit(-1); 541aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} 542aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 5434094db72b61dadd16e180eab5f62ccbc82e3976dosdl.org!shemmingervoid duparg2(const char *key, const char *arg) 544aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 545aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fprintf(stderr, "Error: either \"%s\" is duplicate, or \"%s\" is a garbage.\n", key, arg); 546aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger exit(-1); 547aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} 548aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 5494094db72b61dadd16e180eab5f62ccbc82e3976dosdl.org!shemmingerint matches(const char *cmd, const char *pattern) 550aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 551aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger int len = strlen(cmd); 552aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (len > strlen(pattern)) 553aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return -1; 554aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return memcmp(pattern, cmd, len); 555aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} 556aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 5574094db72b61dadd16e180eab5f62ccbc82e3976dosdl.org!shemmingerint inet_addr_match(const inet_prefix *a, const inet_prefix *b, int bits) 558aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 5599626dfd54c3cc4deec1c651a0bfee65b50feb78bStephen Hemminger const __u32 *a1 = a->data; 5609626dfd54c3cc4deec1c651a0bfee65b50feb78bStephen Hemminger const __u32 *a2 = b->data; 561aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger int words = bits >> 0x05; 562aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 563aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger bits &= 0x1f; 564aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 565aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (words) 566aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (memcmp(a1, a2, words << 2)) 567aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return -1; 568aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 569aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (bits) { 570aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger __u32 w1, w2; 571aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger __u32 mask; 572aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 573aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger w1 = a1[words]; 574aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger w2 = a2[words]; 575aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 576aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger mask = htonl((0xffffffff) << (0x20 - bits)); 577aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 578aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if ((w1 ^ w2) & mask) 579aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return 1; 580aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 581aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 582aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return 0; 583aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} 584aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 585aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemmingerint __iproute2_hz_internal; 586aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 587aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemmingerint __get_hz(void) 588aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 589aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger char name[1024]; 590aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger int hz = 0; 591aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger FILE *fp; 592aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 593aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (getenv("HZ")) 594aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return atoi(getenv("HZ")) ? : HZ; 595aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 596aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (getenv("PROC_NET_PSCHED")) { 597aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger snprintf(name, sizeof(name)-1, "%s", getenv("PROC_NET_PSCHED")); 598c7699875bee00fbcd057fc62c30d6560b044e007net[shemminger]!shemminger } else if (getenv("PROC_ROOT")) { 599aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger snprintf(name, sizeof(name)-1, "%s/net/psched", getenv("PROC_ROOT")); 600aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } else { 601aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger strcpy(name, "/proc/net/psched"); 602aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 603aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fp = fopen(name, "r"); 604aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 605aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (fp) { 606aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger unsigned nom, denom; 607aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (fscanf(fp, "%*08x%*08x%08x%08x", &nom, &denom) == 2) 608aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (nom == 1000000) 609aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger hz = denom; 610aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fclose(fp); 611aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 612aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (hz) 613aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return hz; 614aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return HZ; 615aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} 616aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 6175e8bc6316b1a6c56598cdb29a737d1d670d74e69net[shemminger]!shemmingerint __iproute2_user_hz_internal; 6185e8bc6316b1a6c56598cdb29a737d1d670d74e69net[shemminger]!shemminger 6195e8bc6316b1a6c56598cdb29a737d1d670d74e69net[shemminger]!shemmingerint __get_user_hz(void) 6205e8bc6316b1a6c56598cdb29a737d1d670d74e69net[shemminger]!shemminger{ 6215e8bc6316b1a6c56598cdb29a737d1d670d74e69net[shemminger]!shemminger return sysconf(_SC_CLK_TCK); 6225e8bc6316b1a6c56598cdb29a737d1d670d74e69net[shemminger]!shemminger} 6235e8bc6316b1a6c56598cdb29a737d1d670d74e69net[shemminger]!shemminger 624656111b2f9c5932350e697a1aaa70ba2d9b40bc7Stephen Hemmingerconst char *rt_addr_n2a(int af, const void *addr, char *buf, int buflen) 625aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 626aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger switch (af) { 627aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger case AF_INET: 628aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger case AF_INET6: 629aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return inet_ntop(af, addr, buf, buflen); 630aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger case AF_IPX: 631aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return ipx_ntop(af, addr, buf, buflen); 632aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger case AF_DECnet: 633aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger { 634aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger struct dn_naddr dna = { 2, { 0, 0, }}; 635aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger memcpy(dna.a_addr, addr, 2); 636aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return dnet_ntop(af, &dna, buf, buflen); 637aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 638aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger default: 639aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return "???"; 640aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 641aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} 642aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 643aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger#ifdef RESOLVE_HOSTNAMES 644aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemmingerstruct namerec 645aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 646aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger struct namerec *next; 6477dec1bf88bc34e2d0b320f0c23bd1a060c73852bStephen Hemminger const char *name; 648aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger inet_prefix addr; 649aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger}; 650aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 6517dec1bf88bc34e2d0b320f0c23bd1a060c73852bStephen Hemminger#define NHASH 257 6527dec1bf88bc34e2d0b320f0c23bd1a060c73852bStephen Hemmingerstatic struct namerec *nht[NHASH]; 653aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 6547dec1bf88bc34e2d0b320f0c23bd1a060c73852bStephen Hemmingerstatic const char *resolve_address(const void *addr, int len, int af) 655aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 656aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger struct namerec *n; 657aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger struct hostent *h_ent; 658aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger unsigned hash; 659aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger static int notfirst; 660aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 661aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 662aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (af == AF_INET6 && ((__u32*)addr)[0] == 0 && 663aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger ((__u32*)addr)[1] == 0 && ((__u32*)addr)[2] == htonl(0xffff)) { 664aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger af = AF_INET; 665aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger addr += 12; 666aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger len = 4; 667aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 668aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 6697dec1bf88bc34e2d0b320f0c23bd1a060c73852bStephen Hemminger hash = *(__u32 *)(addr + len - 4) % NHASH; 670aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 671aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger for (n = nht[hash]; n; n = n->next) { 672aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (n->addr.family == af && 673aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger n->addr.bytelen == len && 674aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger memcmp(n->addr.data, addr, len) == 0) 675aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return n->name; 676aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 677aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if ((n = malloc(sizeof(*n))) == NULL) 678aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return NULL; 679aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger n->addr.family = af; 680aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger n->addr.bytelen = len; 681aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger n->name = NULL; 682aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger memcpy(n->addr.data, addr, len); 683aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger n->next = nht[hash]; 684aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger nht[hash] = n; 685aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (++notfirst == 1) 686aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger sethostent(1); 687aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger fflush(stdout); 688aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 689c7699875bee00fbcd057fc62c30d6560b044e007net[shemminger]!shemminger if ((h_ent = gethostbyaddr(addr, len, af)) != NULL) 690aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger n->name = strdup(h_ent->h_name); 691aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 692aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger /* Even if we fail, "negative" entry is remembered. */ 693aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return n->name; 694aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} 695aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger#endif 696aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 697aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 698c7699875bee00fbcd057fc62c30d6560b044e007net[shemminger]!shemmingerconst char *format_host(int af, int len, const void *addr, 6994094db72b61dadd16e180eab5f62ccbc82e3976dosdl.org!shemminger char *buf, int buflen) 700aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 701aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger#ifdef RESOLVE_HOSTNAMES 702aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (resolve_hosts) { 7037dec1bf88bc34e2d0b320f0c23bd1a060c73852bStephen Hemminger const char *n; 7047dec1bf88bc34e2d0b320f0c23bd1a060c73852bStephen Hemminger 705aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (len <= 0) { 706aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger switch (af) { 707aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger case AF_INET: 708aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger len = 4; 709aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger break; 710aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger case AF_INET6: 711aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger len = 16; 712aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger break; 713aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger case AF_IPX: 714aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger len = 10; 715aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger break; 716aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger#ifdef AF_DECnet 717aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger /* I see no reasons why gethostbyname 718aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger may not work for DECnet */ 719aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger case AF_DECnet: 720aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger len = 2; 721aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger break; 722aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger#endif 723aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger default: ; 724aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 725aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 726aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (len > 0 && 727aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger (n = resolve_address(addr, len, af)) != NULL) 728aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return n; 729aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 730aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger#endif 731656111b2f9c5932350e697a1aaa70ba2d9b40bc7Stephen Hemminger return rt_addr_n2a(af, addr, buf, buflen); 732aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} 733aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 734aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 735f332d169246447bd5e258ac03d5ee840a70adb1eshemmingerchar *hexstring_n2a(const __u8 *str, int len, char *buf, int blen) 736aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 737f332d169246447bd5e258ac03d5ee840a70adb1eshemminger char *ptr = buf; 738aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger int i; 739aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 740aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger for (i=0; i<len; i++) { 741aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger if (blen < 3) 742aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger break; 743aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger sprintf(ptr, "%02x", str[i]); 744aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger ptr += 2; 745aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger blen -= 2; 746aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 747aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return buf; 748aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} 749aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 750f332d169246447bd5e258ac03d5ee840a70adb1eshemminger__u8* hexstring_a2n(const char *str, __u8 *buf, int blen) 751aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 752aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger int cnt = 0; 753316c2346f7f3e337be9a56e7ad5fc8e04cd26d63Jiri Pirko char *endptr; 754aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 755316c2346f7f3e337be9a56e7ad5fc8e04cd26d63Jiri Pirko if (strlen(str) % 2) 756316c2346f7f3e337be9a56e7ad5fc8e04cd26d63Jiri Pirko return NULL; 757316c2346f7f3e337be9a56e7ad5fc8e04cd26d63Jiri Pirko while (cnt < blen && strlen(str) > 1) { 758316c2346f7f3e337be9a56e7ad5fc8e04cd26d63Jiri Pirko unsigned int tmp; 759316c2346f7f3e337be9a56e7ad5fc8e04cd26d63Jiri Pirko char tmpstr[3]; 760316c2346f7f3e337be9a56e7ad5fc8e04cd26d63Jiri Pirko 761316c2346f7f3e337be9a56e7ad5fc8e04cd26d63Jiri Pirko strncpy(tmpstr, str, 2); 762316c2346f7f3e337be9a56e7ad5fc8e04cd26d63Jiri Pirko tmpstr[2] = '\0'; 763316c2346f7f3e337be9a56e7ad5fc8e04cd26d63Jiri Pirko tmp = strtoul(tmpstr, &endptr, 16); 764316c2346f7f3e337be9a56e7ad5fc8e04cd26d63Jiri Pirko if (errno != 0 || tmp > 0xFF || *endptr != '\0') 765aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return NULL; 766316c2346f7f3e337be9a56e7ad5fc8e04cd26d63Jiri Pirko buf[cnt++] = tmp; 767316c2346f7f3e337be9a56e7ad5fc8e04cd26d63Jiri Pirko str += 2; 768aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger } 769aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger return buf; 770aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger} 77190f93024a0818dc691138d8401721e797004b042shemminger 77290f93024a0818dc691138d8401721e797004b042shemmingerint print_timestamp(FILE *fp) 77390f93024a0818dc691138d8401721e797004b042shemminger{ 77490f93024a0818dc691138d8401721e797004b042shemminger struct timeval tv; 77590f93024a0818dc691138d8401721e797004b042shemminger char *tstr; 77690f93024a0818dc691138d8401721e797004b042shemminger 77790f93024a0818dc691138d8401721e797004b042shemminger memset(&tv, 0, sizeof(tv)); 77890f93024a0818dc691138d8401721e797004b042shemminger gettimeofday(&tv, NULL); 77990f93024a0818dc691138d8401721e797004b042shemminger 78090f93024a0818dc691138d8401721e797004b042shemminger tstr = asctime(localtime(&tv.tv_sec)); 78190f93024a0818dc691138d8401721e797004b042shemminger tstr[strlen(tstr)-1] = 0; 782c083d99dd3825e2f7a66d3e4717ed3fc6c42f351Andreas Henriksson fprintf(fp, "Timestamp: %s %ld usec\n", tstr, (long)tv.tv_usec); 78390f93024a0818dc691138d8401721e797004b042shemminger return 0; 78490f93024a0818dc691138d8401721e797004b042shemminger} 785351efcde4e62967362a10b29f3b701cfecd7cdfcshemminger 786351efcde4e62967362a10b29f3b701cfecd7cdfcshemmingerint cmdlineno; 787351efcde4e62967362a10b29f3b701cfecd7cdfcshemminger 788351efcde4e62967362a10b29f3b701cfecd7cdfcshemminger/* Like glibc getline but handle continuation lines and comments */ 789d21e88354b2a42b026384730a767f2108bcf8efeAndreas Henrikssonssize_t getcmdline(char **linep, size_t *lenp, FILE *in) 790351efcde4e62967362a10b29f3b701cfecd7cdfcshemminger{ 791d21e88354b2a42b026384730a767f2108bcf8efeAndreas Henriksson ssize_t cc; 792351efcde4e62967362a10b29f3b701cfecd7cdfcshemminger char *cp; 793ae665a522bd46bea44c5ea84c89c8b1731954170Stephen Hemminger 794351efcde4e62967362a10b29f3b701cfecd7cdfcshemminger if ((cc = getline(linep, lenp, in)) < 0) 795351efcde4e62967362a10b29f3b701cfecd7cdfcshemminger return cc; /* eof or error */ 796351efcde4e62967362a10b29f3b701cfecd7cdfcshemminger ++cmdlineno; 797351efcde4e62967362a10b29f3b701cfecd7cdfcshemminger 798351efcde4e62967362a10b29f3b701cfecd7cdfcshemminger cp = strchr(*linep, '#'); 799ae665a522bd46bea44c5ea84c89c8b1731954170Stephen Hemminger if (cp) 800351efcde4e62967362a10b29f3b701cfecd7cdfcshemminger *cp = '\0'; 801ae665a522bd46bea44c5ea84c89c8b1731954170Stephen Hemminger 802351efcde4e62967362a10b29f3b701cfecd7cdfcshemminger while ((cp = strstr(*linep, "\\\n")) != NULL) { 803351efcde4e62967362a10b29f3b701cfecd7cdfcshemminger char *line1 = NULL; 804351efcde4e62967362a10b29f3b701cfecd7cdfcshemminger size_t len1 = 0; 80521a85d3becf45e02985c466764ae19433d907c40Stephen Hemminger ssize_t cc1; 806351efcde4e62967362a10b29f3b701cfecd7cdfcshemminger 807351efcde4e62967362a10b29f3b701cfecd7cdfcshemminger if ((cc1 = getline(&line1, &len1, in)) < 0) { 808351efcde4e62967362a10b29f3b701cfecd7cdfcshemminger fprintf(stderr, "Missing continuation line\n"); 809351efcde4e62967362a10b29f3b701cfecd7cdfcshemminger return cc1; 810351efcde4e62967362a10b29f3b701cfecd7cdfcshemminger } 811351efcde4e62967362a10b29f3b701cfecd7cdfcshemminger 812351efcde4e62967362a10b29f3b701cfecd7cdfcshemminger ++cmdlineno; 813351efcde4e62967362a10b29f3b701cfecd7cdfcshemminger *cp = 0; 814351efcde4e62967362a10b29f3b701cfecd7cdfcshemminger 815351efcde4e62967362a10b29f3b701cfecd7cdfcshemminger cp = strchr(line1, '#'); 816ae665a522bd46bea44c5ea84c89c8b1731954170Stephen Hemminger if (cp) 817351efcde4e62967362a10b29f3b701cfecd7cdfcshemminger *cp = '\0'; 818351efcde4e62967362a10b29f3b701cfecd7cdfcshemminger 819d21e88354b2a42b026384730a767f2108bcf8efeAndreas Henriksson *lenp = strlen(*linep) + strlen(line1) + 1; 820d21e88354b2a42b026384730a767f2108bcf8efeAndreas Henriksson *linep = realloc(*linep, *lenp); 821351efcde4e62967362a10b29f3b701cfecd7cdfcshemminger if (!*linep) { 822351efcde4e62967362a10b29f3b701cfecd7cdfcshemminger fprintf(stderr, "Out of memory\n"); 823d21e88354b2a42b026384730a767f2108bcf8efeAndreas Henriksson *lenp = 0; 824351efcde4e62967362a10b29f3b701cfecd7cdfcshemminger return -1; 825351efcde4e62967362a10b29f3b701cfecd7cdfcshemminger } 826351efcde4e62967362a10b29f3b701cfecd7cdfcshemminger cc += cc1 - 2; 827351efcde4e62967362a10b29f3b701cfecd7cdfcshemminger strcat(*linep, line1); 828351efcde4e62967362a10b29f3b701cfecd7cdfcshemminger free(line1); 829351efcde4e62967362a10b29f3b701cfecd7cdfcshemminger } 830351efcde4e62967362a10b29f3b701cfecd7cdfcshemminger return cc; 831351efcde4e62967362a10b29f3b701cfecd7cdfcshemminger} 832351efcde4e62967362a10b29f3b701cfecd7cdfcshemminger 833351efcde4e62967362a10b29f3b701cfecd7cdfcshemminger/* split command line into argument vector */ 834351efcde4e62967362a10b29f3b701cfecd7cdfcshemmingerint makeargs(char *line, char *argv[], int maxargs) 835351efcde4e62967362a10b29f3b701cfecd7cdfcshemminger{ 836351efcde4e62967362a10b29f3b701cfecd7cdfcshemminger static const char ws[] = " \t\r\n"; 837351efcde4e62967362a10b29f3b701cfecd7cdfcshemminger char *cp; 838351efcde4e62967362a10b29f3b701cfecd7cdfcshemminger int argc = 0; 839351efcde4e62967362a10b29f3b701cfecd7cdfcshemminger 840351efcde4e62967362a10b29f3b701cfecd7cdfcshemminger for (cp = strtok(line, ws); cp; cp = strtok(NULL, ws)) { 841351efcde4e62967362a10b29f3b701cfecd7cdfcshemminger if (argc >= (maxargs - 1)) { 842351efcde4e62967362a10b29f3b701cfecd7cdfcshemminger fprintf(stderr, "Too many arguments to command\n"); 843351efcde4e62967362a10b29f3b701cfecd7cdfcshemminger exit(1); 844351efcde4e62967362a10b29f3b701cfecd7cdfcshemminger } 845351efcde4e62967362a10b29f3b701cfecd7cdfcshemminger argv[argc++] = cp; 846351efcde4e62967362a10b29f3b701cfecd7cdfcshemminger } 847351efcde4e62967362a10b29f3b701cfecd7cdfcshemminger argv[argc] = NULL; 848351efcde4e62967362a10b29f3b701cfecd7cdfcshemminger 849351efcde4e62967362a10b29f3b701cfecd7cdfcshemminger return argc; 850351efcde4e62967362a10b29f3b701cfecd7cdfcshemminger} 851aa574cd60e57d6a31b4d433e0b09bfacd2cb79d1WANG Cong 852aa574cd60e57d6a31b4d433e0b09bfacd2cb79d1WANG Congint inet_get_addr(const char *src, __u32 *dst, struct in6_addr *dst6) 853aa574cd60e57d6a31b4d433e0b09bfacd2cb79d1WANG Cong{ 854aa574cd60e57d6a31b4d433e0b09bfacd2cb79d1WANG Cong if (strchr(src, ':')) 855aa574cd60e57d6a31b4d433e0b09bfacd2cb79d1WANG Cong return inet_pton(AF_INET6, src, dst6); 856aa574cd60e57d6a31b4d433e0b09bfacd2cb79d1WANG Cong else 857aa574cd60e57d6a31b4d433e0b09bfacd2cb79d1WANG Cong return inet_pton(AF_INET, src, dst); 858aa574cd60e57d6a31b4d433e0b09bfacd2cb79d1WANG Cong} 859