1 /* $NetBSD: site.h,v 1.3 2022/04/03 01:10:58 christos Exp $ */ 2 3 /* Site-specific definitions. 4 5 For supported systems, you shouldn't need to make any changes here. 6 However, you may want to, in order to deal with site-specific 7 differences. */ 8 9 /* Add any site-specific definitions and inclusions here... */ 10 11 /* #include <site-foo-bar.h> */ 12 /* #define SITE_FOOBAR */ 13 14 /* Define this if you don't want dhcpd to run as a daemon and do want 15 to see all its output printed to stdout instead of being logged via 16 syslog(). This also makes dhcpd use the dhcpd.conf in its working 17 directory and write the dhcpd.leases file there. */ 18 19 /* #define DEBUG */ 20 21 /* Define this to see what the parser is parsing. You probably don't 22 want to see this. */ 23 24 /* #define DEBUG_TOKENS */ 25 26 /* Define this to see dumps of incoming and outgoing packets. This 27 slows things down quite a bit... */ 28 29 /* #define DEBUG_PACKET */ 30 31 /* Define this if you want to see dumps of expression evaluation. */ 32 33 /* #define DEBUG_EXPRESSIONS */ 34 35 /* Define this if you want to see dumps of find_lease() in action. */ 36 37 /* #define DEBUG_FIND_LEASE */ 38 39 /* Define this if you want to see dumps of parsed expressions. */ 40 41 /* #define DEBUG_EXPRESSION_PARSE */ 42 43 /* Define this if you want to watch the class matching process. */ 44 45 /* #define DEBUG_CLASS_MATCHING */ 46 47 /* Define this if you want to track memory usage for the purpose of 48 noticing memory leaks quickly. */ 49 50 /* #define DEBUG_MEMORY_LEAKAGE */ 51 /* #define DEBUG_MEMORY_LEAKAGE_ON_EXIT */ 52 53 /* Define this if you want exhaustive (and very slow) checking of the 54 malloc pool for corruption. */ 55 56 /* #define DEBUG_MALLOC_POOL */ 57 58 /* Define this if you want to see a message every time a lease's state 59 changes. */ 60 /* #define DEBUG_LEASE_STATE_TRANSITIONS */ 61 62 /* Define this if you want to maintain a history of the last N operations 63 that changed reference counts on objects. This can be used to debug 64 cases where an object is dereferenced too often, or not often enough. */ 65 66 /* #define DEBUG_RC_HISTORY */ 67 68 /* Define this if you want to see the history every cycle. */ 69 70 /* #define DEBUG_RC_HISTORY_EXHAUSTIVELY */ 71 72 /* This is the number of history entries to maintain - by default, 256. */ 73 74 /* #define RC_HISTORY_MAX 10240 */ 75 76 /* Define this if you want dhcpd to dump core when a non-fatal memory 77 allocation error is detected (i.e., something that would cause a 78 memory leak rather than a memory smash). */ 79 80 /* #define POINTER_DEBUG */ 81 82 /* Define this if you want debugging output for DHCP failover protocol 83 messages. */ 84 85 /* #define DEBUG_FAILOVER_MESSAGES */ 86 87 /* Define this to include contact messages in failover message debugging. 88 The contact messages are sent once per second, so this can generate a 89 lot of log entries. */ 90 91 /* #define DEBUG_FAILOVER_CONTACT_MESSAGES */ 92 93 /* Define this if you want debugging output for DHCP failover protocol 94 event timeout timing. */ 95 96 /* #define DEBUG_FAILOVER_TIMING */ 97 98 /* Define this if you want to include contact message timing, which is 99 performed once per second and can generate a lot of log entries. */ 100 101 /* #define DEBUG_FAILOVER_CONTACT_TIMING */ 102 103 /* Define this if you want all leases written to the lease file, even if 104 they are free leases that have never been used. */ 105 106 /* #define DEBUG_DUMP_ALL_LEASES */ 107 108 /* Define this if you want to see the requests and replies between the 109 DHCP code and the DNS library code. */ 110 /* #define DEBUG_DNS_UPDATES */ 111 112 /* Define this if you want to debug the host part of the inform processing */ 113 /* #define DEBUG_INFORM_HOST */ 114 115 /* Define this if you want to debug the binary leases (lease_chain) code */ 116 /* #define DEBUG_BINARY_LEASES */ 117 118 /* Define this if you want to debug checksum calculations */ 119 /* #define DEBUG_CHECKSUM */ 120 121 /* Define this if you want to verbosely debug checksum calculations */ 122 /* #define DEBUG_CHECKSUM_VERBOSE */ 123 124 125 /* Define this if you want DHCP failover protocol support in the DHCP 126 server. */ 127 128 /* #define FAILOVER_PROTOCOL */ 129 130 /* Define this if you want DNS update functionality to be available. */ 131 132 #define NSUPDATE 133 134 /* Define this if you want to enable the DHCP server attempting to 135 find a nameserver to use for DDNS updates. */ 136 #define DNS_ZONE_LOOKUP 137 138 /* Define this if you want the dhcpd.pid file to go somewhere other than 139 the default (which varies from system to system, but is usually either 140 /etc or /var/run. */ 141 142 /* #define _PATH_DHCPD_PID "/var/run/dhcpd.pid" */ 143 144 /* Define this if you want the dhcpd.leases file (the dynamic lease database) 145 to go somewhere other than the default location, which is normally 146 /etc/dhcpd.leases. */ 147 148 /* #define _PATH_DHCPD_DB "/etc/dhcpd.leases" */ 149 150 /* Define this if you want the dhcpd.conf file to go somewhere other than 151 the default location. By default, it goes in /etc/dhcpd.conf. */ 152 153 /* #define _PATH_DHCPD_CONF "/etc/dhcpd.conf" */ 154 155 /* Network API definitions. You do not need to choose one of these - if 156 you don't choose, one will be chosen for you in your system's config 157 header. DON'T MESS WITH THIS UNLESS YOU KNOW WHAT YOU'RE DOING!!! */ 158 159 /* Define USE_SOCKETS to use the standard BSD socket API. 160 161 On many systems, the BSD socket API does not provide the ability to 162 send packets to the 255.255.255.255 broadcast address, which can 163 prevent some clients (e.g., Win95) from seeing replies. This is 164 not a problem on Solaris. 165 166 In addition, the BSD socket API will not work when more than one 167 network interface is configured on the server. 168 169 However, the BSD socket API is about as efficient as you can get, so if 170 the aforementioned problems do not matter to you, or if no other 171 API is supported for your system, you may want to go with it. */ 172 173 /* #define USE_SOCKETS */ 174 175 /* Define this to use the Sun Streams NIT API. 176 177 The Sun Streams NIT API is only supported on SunOS 4.x releases. */ 178 179 /* #define USE_NIT */ 180 181 /* Define this to use the Berkeley Packet Filter API. 182 183 The BPF API is available on all 4.4-BSD derivatives, including 184 NetBSD, FreeBSD and BSDI's BSD/OS. It's also available on 185 DEC Alpha OSF/1 in a compatibility mode supported by the Alpha OSF/1 186 packetfilter interface. */ 187 188 /* #define USE_BPF */ 189 190 /* Define this to use the raw socket API. 191 192 The raw socket API is provided on many BSD derivatives, and provides 193 a way to send out raw IP packets. It is only supported for sending 194 packets - packets must be received with the regular socket API. 195 This code is experimental - I've never gotten it to actually transmit 196 a packet to the 255.255.255.255 broadcast address - so use it at your 197 own risk. */ 198 199 /* #define USE_RAW_SOCKETS */ 200 201 /* Define this to keep the old program name (e.g., "dhcpd" for 202 the DHCP server) in place of the (base) name the program was 203 invoked with. */ 204 205 /* #define OLD_LOG_NAME */ 206 207 /* Define this to change the logging facility used by dhcpd. */ 208 209 /* #define DHCPD_LOG_FACILITY LOG_DAEMON */ 210 211 212 /* Define this if you want to be able to execute external commands 213 during conditional evaluation. */ 214 215 /* #define ENABLE_EXECUTE */ 216 217 /* Define this if you aren't debugging and you want to save memory 218 (potentially a _lot_ of memory) by allocating leases in chunks rather 219 than one at a time. */ 220 221 #define COMPACT_LEASES 222 223 /* Define this if you want to be able to save and playback server operational 224 traces. */ 225 226 /* #define TRACING */ 227 228 /* Define this if you want the server to use the previous behavior 229 when determining the DDNS TTL. If the user has specified a ddns-ttl 230 option that is used to detemine the ttl. (If the user specifies 231 an option that references the lease structure it is only usable 232 for v4. In that case v6 will use the default.) Otherwise when 233 defined the defaults are: v4 - 1/2 the lease time, 234 v6 - DEFAULT_DDNS_TTL. When undefined the defaults are 1/2 the 235 (preferred) lease time for both but with a cap on the maximum. */ 236 237 /* #define USE_OLD_DDNS_TTL */ 238 239 /* Define this if you want a DHCPv6 server to send replies to the 240 source port of the message it received. This is useful for testing 241 but is only included for backwards compatibility. */ 242 /* #define REPLY_TO_SOURCE_PORT */ 243 244 /* Define this if you want to enable strict checks in DNS Updates mechanism. 245 Do not enable this unless are DHCP developer. */ 246 /* #define DNS_UPDATES_MEMORY_CHECKS */ 247 248 /* Define this if you want to allow domain list in domain-name option. 249 RFC2132 does not allow that behavior, but it is somewhat used due 250 to historic reasons. Note that it may be removed some time in the 251 future. */ 252 253 #define ACCEPT_LIST_IN_DOMAIN_NAME 254 255 /* In previous versions of the code when the server generates a NAK 256 it doesn't attempt to determine if the configuration included a 257 server ID for that client. Defining this option causes the server 258 to make a modest effort to determine the server id when building 259 a NAK as a response. This effort will only check the first subnet 260 and pool associated with a shared subnet and will not check for 261 host declarations. With some configurations the server id 262 computed for a NAK may not match that computed for an ACK. */ 263 264 #define SERVER_ID_FOR_NAK 265 266 /* NOTE: SERVER_ID_CHECK switch has been removed. Enabling server id 267 * checking is now done via the server-id-check statement. Please refer 268 * to the dhcpd manpage (server/dhcpd.conf.5) */ 269 270 /* Include code to do a slow transition of DDNS records 271 from the interim to the standard version, or backwards. 272 The normal code will handle removing an old style record 273 when the name on a lease is being changed. This adds code 274 to handle the case where the name isn't being changed but 275 the old record should be removed to allow a new record to 276 be added. This is the slow transition as leases are only 277 updated as a client touches them. A fast transition would 278 entail updating all the records at once, probably at start 279 up. */ 280 #define DDNS_UPDATE_SLOW_TRANSITION 281 282 /* Define the default prefix length passed from the client to 283 the script when modifying an IPv6 IA_NA or IA_TA address. 284 The two most useful values are 128 which is what the current 285 specifications call for or 64 which is what has been used in 286 the past. For most OSes 128 will indicate that the address 287 is a host address and doesn't include any on-link information. 288 64 indicates that the first 64 bits are the subnet or on-link 289 prefix. */ 290 #define DHCLIENT_DEFAULT_PREFIX_LEN 128 291 292 /* Enable the gentle shutdown signal handling. Currently this 293 means that on SIGINT or SIGTERM a client will release its 294 address and a server in a failover pair will go through 295 partner down. Both of which can be undesireable in some 296 situations. We plan to revisit this feature and may 297 make non-backwards compatible changes including the 298 removal of this define. Use at your own risk. */ 299 /* #define ENABLE_GENTLE_SHUTDOWN */ 300 301 /* Include old error codes. This is provided in case you 302 are building an external program similar to omshell for 303 which you need the ISC_R_* error codes. You should switch 304 to DHCP_R_* error codes for those that have been defined 305 (see includes/omapip/result.h). The extra defines and 306 this option will be removed at some time. */ 307 /* #define INCLUDE_OLD_DHCP_ISC_ERROR_CODES */ 308 309 /* Use the older factors for scoring a lease in the v6 client code. 310 The new factors cause the client to choose more bindings (IAs) 311 over more addresse within a binding. Most uses will get a 312 single address in a single binding and only get an adverstise 313 from a single server and there won't be a difference. */ 314 /* #define USE_ORIGINAL_CLIENT_LEASE_WEIGHTS */ 315 316 /* Print out specific error messages for dhclient, dhcpd 317 or dhcrelay when processing an incorrect command line. This 318 is included for those that might require the exact error 319 messages, as we don't expect that is necessary it is on by 320 default. */ 321 #define PRINT_SPECIFIC_CL_ERRORS 322 323 /* Limit the value of a file descriptor the serve will use 324 when accepting a connecting request. This can be used to 325 limit the number of TCP connections that the server will 326 allow at one time. A value of 0 means there is no limit.*/ 327 #define MAX_FD_VALUE 200 328 329 /* Enable EUI-64 Address assignment policy. Instructs the server 330 * to use EUI-64 addressing instead of dynamic address allocation 331 * for IA_NA pools, if the parameter use-eui-64 is true for the 332 * pool. Can be at all scopes down to the pool level. Not 333 * supported by the configure script. */ 334 /* #define EUI_64 */ 335 336 /* Enable enforcement of the require option statement as documented 337 * in man page. Instructs the dhclient, when in -6 mode, to discard 338 * offered leases that do not contain all options specified as required 339 * in the client's configuration file. The client already enforces this 340 * in -4 mode. */ 341 #define ENFORCE_DHCPV6_CLIENT_REQUIRE 342 343 /* Enable the invocation of the client script with a FAIL state code 344 * by dhclient when running in one-try mode (-T) and the attempt to 345 * obtain the desired lease(s) fails. Applies to IPv4 mode only. */ 346 /* #define CALL_SCRIPT_ON_ONETRY_FAIL */ 347 348 /* Include definitions for various options. In general these 349 should be left as is, but if you have already defined one 350 of these and prefer your definition you can comment the 351 RFC define out to avoid conflicts */ 352 #define RFC2563_OPTIONS 353 #define RFC2937_OPTIONS 354 #define RFC4776_OPTIONS 355 #define RFC4578_OPTIONS 356 #define RFC4833_OPTIONS 357 #define RFC4994_OPTIONS 358 #define RFC5071_OPTIONS 359 #define RFC5192_OPTIONS 360 #define RFC5223_OPTIONS 361 #define RFC5417_OPTIONS 362 #define RFC5460_OPTIONS 363 #define RFC5859_OPTIONS 364 #define RFC5969_OPTIONS 365 #define RFC5970_OPTIONS 366 #define RFC5986_OPTIONS 367 #define RFC6011_OPTIONS 368 #define RFC6011_OPTIONS 369 #define RFC6153_OPTIONS 370 #define RFC6334_OPTIONS 371 #define RFC6440_OPTIONS 372 #define RFC6731_OPTIONS 373 #define RFC6939_OPTIONS 374 #define RFC6977_OPTIONS 375 #define RFC7083_OPTIONS 376 #define RFC7341_OPTIONS 377 #define RFC7618_OPTIONS 378 #define RFC7710_OPTIONS 379 #define RFC8925_OPTIONS 380