1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295
|
/*
* $Id: interface.c,v 1.7 2004/10/26 05:30:34 psavola Exp $
*
* Authors:
* Lars Fenneberg <lf@elemental.net>
*
* This software is Copyright 1996,1997 by the above mentioned author(s),
* All Rights Reserved.
*
* The license which is distributed with this software in the file COPYRIGHT
* applies to this software. If your distribution is missing this file, you
* may request it from <lutchann@litech.org>.
*
*/
#include <config.h>
#include <includes.h>
#include <radvd.h>
#include <defaults.h>
void
iface_init_defaults(struct Interface *iface)
{
memset(iface, 0, sizeof(struct Interface));
iface->IgnoreIfMissing = DFLT_IgnoreIfMissing;
iface->AdvSendAdvert = DFLT_AdvSendAdv;
iface->MaxRtrAdvInterval = DFLT_MaxRtrAdvInterval;
iface->AdvSourceLLAddress = DFLT_AdvSourceLLAddress;
iface->AdvReachableTime = DFLT_AdvReachableTime;
iface->AdvRetransTimer = DFLT_AdvRetransTimer;
iface->AdvLinkMTU = DFLT_AdvLinkMTU;
iface->AdvCurHopLimit = DFLT_AdvCurHopLimit;
iface->AdvIntervalOpt = DFLT_AdvIntervalOpt;
iface->AdvHomeAgentInfo = DFLT_AdvHomeAgentInfo;
iface->AdvHomeAgentFlag = DFLT_AdvHomeAgentFlag;
iface->HomeAgentPreference = DFLT_HomeAgentPreference;
iface->MinDelayBetweenRAs = DFLT_MinDelayBetweenRAs;
iface->MinRtrAdvInterval = -1;
iface->AdvDefaultLifetime = -1;
iface->AdvDefaultPreference = DFLT_AdvDefaultPreference;
iface->HomeAgentLifetime = 0;
}
void
prefix_init_defaults(struct AdvPrefix *prefix)
{
memset(prefix, 0, sizeof(struct AdvPrefix));
prefix->AdvOnLinkFlag = DFLT_AdvOnLinkFlag;
prefix->AdvAutonomousFlag = DFLT_AdvAutonomousFlag;
prefix->AdvRouterAddr = DFLT_AdvRouterAddr;
prefix->AdvValidLifetime = DFLT_AdvValidLifetime;
prefix->AdvPreferredLifetime = DFLT_AdvPreferredLifetime;
prefix->if6to4[0] = 0;
prefix->enabled = 1;
}
void
route_init_defaults(struct AdvRoute *route, struct Interface *iface)
{
memset(route, 0, sizeof(struct AdvRoute));
route->AdvRouteLifetime = DFLT_AdvRouteLifetime(iface);
route->AdvRoutePreference = DFLT_AdvRoutePreference;
}
int
check_iface(struct Interface *iface)
{
struct AdvPrefix *prefix;
struct AdvRoute *route;
int res = 0;
int MIPv6 = 0;
/* Check if we use Mobile IPv6 extensions */
if (iface->AdvHomeAgentFlag || iface->AdvHomeAgentInfo ||
iface->AdvIntervalOpt)
{
MIPv6 = 1;
}
prefix = iface->AdvPrefixList;
while (!MIPv6 && prefix)
{
if (prefix->AdvRouterAddr)
{
MIPv6 = 1;
}
prefix = prefix->next;
}
if (MIPv6)
{
flog(LOG_INFO, "using Mobile IPv6 extensions");
}
if (iface->MinRtrAdvInterval == -1)
iface->MinRtrAdvInterval = DFLT_MinRtrAdvInterval(iface);
/* Mobile IPv6 ext */
if (MIPv6)
{
if ((iface->MinRtrAdvInterval < MIN_MinRtrAdvInterval_MIPv6) ||
(iface->MinRtrAdvInterval > MAX_MinRtrAdvInterval(iface)))
{
flog(LOG_ERR,
"MinRtrAdvInterval for %s must be between %.2f and %.2f",
iface->Name, MIN_MinRtrAdvInterval_MIPv6,
MAX2(MIN_MinRtrAdvInterval_MIPv6, MIN_MinRtrAdvInterval_MIPv6));
res = -1;
}
}
else
{
if ((iface->MinRtrAdvInterval < MIN_MinRtrAdvInterval) ||
(iface->MinRtrAdvInterval > MAX_MinRtrAdvInterval(iface)))
{
flog(LOG_ERR,
"MinRtrAdvInterval for %s must be between %d and %d",
iface->Name, (int)MIN_MinRtrAdvInterval,
(int)MAX_MinRtrAdvInterval(iface));
res = -1;
}
}
/* Mobile IPv6 ext */
if (MIPv6)
{
if ((iface->MaxRtrAdvInterval < MIN_MaxRtrAdvInterval_MIPv6)
|| (iface->MaxRtrAdvInterval > MAX_MaxRtrAdvInterval))
{
flog(LOG_ERR,
"MaxRtrAdvInterval for %s must be between %.2f and %d",
iface->Name, MIN_MaxRtrAdvInterval_MIPv6,
MAX_MaxRtrAdvInterval);
res = -1;
}
}
else
{
if ((iface->MaxRtrAdvInterval < MIN_MaxRtrAdvInterval)
|| (iface->MaxRtrAdvInterval > MAX_MaxRtrAdvInterval))
{
flog(LOG_ERR,
"MaxRtrAdvInterval must be between %d and %d for %s",
MIN_MaxRtrAdvInterval, MAX_MaxRtrAdvInterval, iface->Name);
res = -1;
}
}
/* Mobile IPv6 ext */
if (MIPv6)
{
if (iface->MinDelayBetweenRAs < MIN_DELAY_BETWEEN_RAS_MIPv6)
{
flog(LOG_ERR,
"MinDelayBetweenRAs for %s must be greater than %.2f",
iface->Name, MIN_DELAY_BETWEEN_RAS_MIPv6);
res = -1;
}
}
else
{
if (iface->MinDelayBetweenRAs < MIN_DELAY_BETWEEN_RAS)
{
flog(LOG_ERR,
"MinDelayBetweenRAs for %s must be greater than %.2f",
iface->Name, (double) MIN_DELAY_BETWEEN_RAS);
res = -1;
}
}
if (iface->if_maxmtu != -1)
{
if ((iface->AdvLinkMTU != 0) &&
((iface->AdvLinkMTU < MIN_AdvLinkMTU) ||
(iface->AdvLinkMTU > iface->if_maxmtu)))
{
flog(LOG_ERR, "AdvLinkMTU must be zero or between %d and %d for %s",
MIN_AdvLinkMTU, iface->if_maxmtu, iface->Name);
res = -1;
}
}
else
{
if ((iface->AdvLinkMTU != 0)
&& (iface->AdvLinkMTU < MIN_AdvLinkMTU))
{
flog(LOG_ERR, "AdvLinkMTU must be zero or greater than %d for %s",
MIN_AdvLinkMTU, iface->Name);
res = -1;
}
}
if (iface->AdvReachableTime > MAX_AdvReachableTime)
{
flog(LOG_ERR,
"AdvReachableTime must be less than %d for %s",
MAX_AdvReachableTime, iface->Name);
res = -1;
}
if (iface->AdvCurHopLimit > MAX_AdvCurHopLimit)
{
flog(LOG_ERR, "AdvCurHopLimit must not be greater than %d for %s",
MAX_AdvCurHopLimit, iface->Name);
res = -1;
}
if (iface->AdvDefaultLifetime == -1)
{
iface->AdvDefaultLifetime = DFLT_AdvDefaultLifetime(iface);
}
/* Mobile IPv6 ext */
if (iface->HomeAgentLifetime == 0)
{
iface->HomeAgentLifetime = DFLT_HomeAgentLifetime(iface);
}
if ((iface->AdvDefaultLifetime != 0) &&
((iface->AdvDefaultLifetime > MAX_AdvDefaultLifetime) ||
(iface->AdvDefaultLifetime < MIN_AdvDefaultLifetime(iface))))
{
flog(LOG_ERR,
"AdvDefaultLifetime for %s must be zero or between %.0f and %.0f",
iface->Name, MIN_AdvDefaultLifetime(iface),
MAX_AdvDefaultLifetime);
res = -1;
}
/* Mobile IPv6 ext */
if (iface->AdvHomeAgentInfo)
{
if ((iface->HomeAgentLifetime > MAX_HomeAgentLifetime) ||
(iface->HomeAgentLifetime < MIN_HomeAgentLifetime))
{
flog(LOG_ERR,
"HomeAgentLifetime must be between %d and %d for %s",
MIN_HomeAgentLifetime, MAX_HomeAgentLifetime,
iface->Name);
res = -1;
}
}
/* Mobile IPv6 ext */
if (MIPv6)
{
if (iface->AdvHomeAgentInfo && !(iface->AdvHomeAgentFlag))
{
flog(LOG_ERR,
"AdvHomeAgentFlag must be set with HomeAgentInfo");
res = -1;
}
}
/* XXX: need this? prefix = iface->AdvPrefixList; */
while (prefix)
{
if (prefix->PrefixLen > MAX_PrefixLen)
{
flog(LOG_ERR, "invalid prefix length for %s", iface->Name);
res = -1;
}
if (prefix->AdvPreferredLifetime > prefix->AdvValidLifetime)
{
flog(LOG_ERR, "AdvValidLifetime must be "
"greater than AdvPreferredLifetime for %s",
iface->Name);
res = -1;
}
prefix = prefix->next;
}
route = iface->AdvRouteList;
while(route)
{
if (route->PrefixLen > MAX_PrefixLen)
{
flog(LOG_ERR, "invalid route prefix length for %s", iface->Name);
res = -1;
}
route = route->next;
}
return res;
}
|