ypinit.sh revision 31110
1#!/bin/sh 2# $Id: ypinit.sh,v 1.3 1997/11/10 20:48:54 wpaul Exp $ 3# 4# ypinit.sh - setup an master or slave server. 5# (Taken from OpenBSD and modified for FreeBSD.) 6# 7DOMAINNAME=/bin/domainname 8HOSTNAME=/bin/hostname 9YPWHICH=/usr/bin/ypwhich 10YPXFR=/usr/libexec/ypxfr 11YP_DIR=/var/yp 12MAKEDBM=/usr/sbin/yp_mkdb 13MAPLIST="master.passwd.byname master.passwd.byuid passwd.byname passwd.byuid \ 14 group.byname group.bygid hosts.byname hosts.byaddr services.byname \ 15 rpc.byname rpc.bynumber networks.byname networks.byaddr netgroup \ 16 netgroup.byuser netgroup.byhost netid.byname publickey.byname \ 17 bootparams ethers.byname ethers.byaddr amd.host mail.aliases \ 18 ypservers protocols.byname protocols.bynumber netmasks.byaddr" 19 20ERROR_EXISTS="NO" 21umask 077 22 23#set -xv 24 25ERROR=USAGE # assume usage error 26 27if [ $# -eq 1 ] 28then 29 if [ $1 = "-m" ] # ypinit -m 30 then 31 DOMAIN=`${DOMAINNAME}` 32 SERVERTYPE=MASTER 33 ERROR= 34 fi 35 36 if [ $1 = "-u" ] # ypinit -u 37 then 38 DOMAIN=`${DOMAINNAME}` 39 SERVERTYPE=UPDATE 40 ERROR= 41 fi 42fi 43 44if [ $# -eq 2 ] 45then 46 if [ $1 = "-m" ] # ypinit -m domainname 47 then 48 DOMAIN=${2} 49 SERVERTYPE=MASTER 50 ERROR= 51 fi 52 53 if [ $1 = "-s" ] # ypinit -s master_server 54 then 55 DOMAIN=`${DOMAINNAME}` 56 SERVERTYPE=SLAVE 57 MASTER=${2} 58 ERROR= 59 fi 60 61 if [ $1 = "-u" ] # ypinit -u domainname 62 then 63 DOMAIN=${2} 64 SERVERTYPE=UPDATE 65 ERROR= 66 fi 67fi 68 69if [ $# -eq 3 ] 70then 71 if [ $1 = "-s" ] # ypinit -s master_server domainname 72 then 73 DOMAIN=${3} 74 SERVERTYPE=SLAVE 75 MASTER=${2} 76 ERROR= 77 fi 78fi 79 80if [ "${ERROR}" = "USAGE" ]; then 81 cat << \__usage 1>&2 82usage: ypinit -m [domainname] 83 ypinit -s master_server [domainname] 84 ypinit -u [domainname] 85 86The `-m' flag builds a master YP server, and the `-s' flag builds 87a slave YP server. When building a slave YP server, `master_server' 88must be an existing, reachable YP server. 89The `-u' is for updating the ypservers map on a master server. 90__usage 91 92 exit 1 93fi 94 95# Check if domainname is set, don't accept an empty domainname 96if [ -z "${DOMAIN}" ]; then 97 cat << \__no_domain 1>&2 98The local host's YP domain name has not been set. Please set it with 99the domainname(8) command or pass the domain as an argument to ypinit(8). 100__no_domain 101 102 exit 1 103fi 104 105# Check if hostname is set, don't accept an empty hostname 106HOST=`${HOSTNAME}` 107if [ -z "${HOST}" ]; then 108 cat << \__no_hostname 1>&2 109The local host's hostname has not been set. Please set it with the 110hostname(8) command. 111__no_hostname 112 113 exit 1 114fi 115 116# Check if we have contact with master. 117# If we can't list the maps on the master, then we fake it with a 118# hard-coded list of maps. The FreeBSD ypxfr command will work even 119# if ypbind isn't running or if we are bound to ourselves instead of 120# the master (the slave should be bound to itself, but since it has 121# no maps yet, we can't get a maplist from it). 122if [ "${SERVERTYPE}" = "SLAVE" ]; 123then 124 COUNT=`${YPWHICH} -d ${DOMAIN} -m 2>/dev/null | grep -i ${MASTER} | wc -l | tr -d " "` 125 if [ "$COUNT" = "0" ] 126 then 127 echo "Can't enumerate maps from ${MASTER}. Please check that it is running." 1>&2 128 echo "Note: using hardcoded maplist for map transfers." 1>&2 129 YPMAPLIST=${MAPLIST} 130 else 131 YPMAPLIST=`${YPWHICH} -d ${DOMAIN} -m | cut -d\ -f1` 132 fi 133 echo "" 1>&2 134fi 135 136# Check if user is root 137ID=`id -u` 138if [ "${ID}" != "0" ]; then 139 echo "You have to be the superuser to run this. Please login as root." 1>&2 140 exit 1 141fi 142 143# Check if the YP directory exists. 144 145if [ ! -d ${YP_DIR} -o -f ${YP_DIR} ] 146then 147 echo "The directory ${YP_DIR} doesn't exist. Restore it from the distribution." 1>&2 148 exit 1 149 150fi 151 152echo -n "Server Type: ${SERVERTYPE} Domain: ${DOMAIN}" 153if [ "${SERVERTYPE}" = "SLAVE" ]; then 154 echo -n " Master: ${MASTER}" 155fi 156echo "" 157 158if [ "${SERVERTYPE}" != "UPDATE" ]; 159then 160 cat << \__notice1 161 162Creating an YP server will require that you answer a few questions. 163Questions will all be asked at the beginning of the procedure. 164 165__notice1 166 167 echo -n "Do you want this procedure to quit on non-fatal errors? [y/n: n] " 168 read DOEXIT 169 170 case ${DOEXIT} in 171 y*|Y*) 172 ERROR_EXIT="YES" 173 ;; 174 175 *) ERROR_EXIT="NO" 176 echo "" 177 echo "Ok, please remember to go back and redo manually whatever fails." 178 echo "If you don't, something might not work. " 179 ;; 180 esac 181 182 if [ -d "${YP_DIR}/${DOMAIN}" ]; then 183 echo "" 184 echo -n "Can we destroy the existing ${YP_DIR}/${DOMAIN} and its contents? [y/n: n] " 185 read KILL 186 187 ERROR= 188 case ${KILL} in 189 y*|Y*) 190 ERROR="DELETE" 191 ;; 192 193 *) ERROR= 194 ;; 195 esac 196 197 if [ "${ERROR}" = "DELETE" ]; then 198 if ! rm -rf ${YP_DIR}/${DOMAIN}; then 199 echo "Can't clean up old directory ${YP_DIR}/${DOMAIN}." 1>&2 200 exit 1 201 fi 202 else 203 echo "OK, please clean it up by hand and start again. Bye" 204 exit 0 205 fi 206 207 fi 208 209 if ! mkdir "${YP_DIR}/${DOMAIN}"; then 210 echo "Can't make new directory ${YP_DIR}/${DOMAIN}." 1>&2 211 exit 1 212 fi 213fi 214 215if [ "${SERVERTYPE}" = "MASTER" ]; 216then 217 218 if [ ! -f ${YP_DIR}/Makefile ] 219 then 220 if [ ! -f ${YP_DIR}/Makefile.dist ] 221 then 222 echo "Can't find ${YP_DIR}/Makefile.dist. " 1>&2 223 exit 1 224 fi 225 cp ${YP_DIR}/Makefile.dist ${YP_DIR}/Makefile 226 fi 227 228fi 229 230if [ "${SERVERTYPE}" = "SLAVE" ]; 231then 232 233 echo "There will be no further questions. The remainder of the procedure" 234 echo "should take a few minutes, to copy the databases from ${MASTER}." 235 236 for MAP in ${YPMAPLIST} 237 do 238 echo "Transfering ${MAP}..." 239 if ! ${YPXFR} -p ${YP_DIR} -h ${MASTER} -c -d ${DOMAIN} ${MAP}; then 240 echo "Can't transfer map ${MAP}." 1>&2 241 ERROR_EXISTS="YES" 242 if [ "${ERROR_EXIT}" = "YES" ]; then 243 exit 1 244 fi 245 fi 246 done 247 248 echo "" 249 if [ "${ERROR_EXISTS}" = "YES" ]; then 250 echo "${HOST} has been setup as an YP slave server with errors. " 1>&2 251 echo "Please remember fix any problem that occurred." 1>&2 252 else 253 echo "${HOST} has been setup as an YP slave server without any errors. " 254 fi 255 256 echo "Don't forget to update map ypservers on ${MASTER}." 257 exit 0 258fi 259 260LIST_OK="NO" 261 262while [ "${LIST_OK}" = "NO" ]; 263do 264 265 if [ "${SERVERTYPE}" = "MASTER" ]; 266 then 267 HOST_LIST="${HOST}" 268 echo "" 269 echo "At this point, we have to construct a list of this domains YP servers." 270 echo "${HOST} is already known as master server." 271 echo "Please continue to add any slave servers, one per line. When you are" 272 echo "done with the list, type a <control D>." 273 echo " master server : ${HOST}" 274 fi 275 276 if [ "${SERVERTYPE}" = "UPDATE" ]; 277 then 278 HOST_LIST="${HOST}" 279 NEW_LIST="" 280 MASTER_NAME="" 281 SHORT_HOST=`echo ${HOST} | cut -d. -f1` 282 if [ -f ${YP_DIR}/${DOMAIN}/ypservers ]; 283 then 284 for srv in `${MAKEDBM} -u ${YP_DIR}/${DOMAIN}/ypservers | grep -v "^YP" | tr "\t" " " | cut -d\ -f1`; 285 do 286 short_srv=`echo ${srv} | cut -d. -f1` 287 if [ "${SHORT_HOST}" != "${short_srv}" ] 288 then 289 if [ "${NEW_LIST}" = "" ]; 290 then 291 NEW_LIST="${srv}" 292 else 293 NEW_LIST="${NEW_LIST} ${srv}" 294 fi 295 fi 296 done; 297 MASTER_NAME=`${MAKEDBM} -u ${YP_DIR}/${DOMAIN}/ypservers | grep "^YP_MASTER_NAME" | tr "\t" " " | cut -d\ -f2` 298 fi 299 echo "" 300 echo "Update the list of hosts running YP servers in domain ${DOMAIN}." 301 echo "Master for this domain is ${MASTER_NAME}." 302 echo "" 303 echo "First verify old servers, type \\ to remove a server." 304 echo "Then add new servers, one per line. When done type a <control D>." 305 echo "" 306 echo " master server : ${HOST}" 307 if [ "${NEW_LIST}" != "" ]; then 308 for node in $NEW_LIST; do 309 echo -n " verify host : [${node}] " 310 read verify 311 if [ "${verify}" != "\\" ]; then 312 HOST_LIST="${HOST_LIST} ${node}" 313 fi 314 done; 315 fi 316 fi 317 318 echo -n " next host to add: " 319 320 while read h 321 do 322 echo -n " next host to add: " 323 HOST_LIST="${HOST_LIST} ${h}" 324 done 325 326 echo "" 327 echo "The current list of NIS servers looks like this:" 328 echo "" 329 330 for h in `echo ${HOST_LIST}`; 331 do 332 echo ${h} 333 done 334 335 echo "" 336 echo -n "Is this correct? [y/n: y] " 337 read hlist_ok 338 339 case $hlist_ok in 340 n*) echo "Let's try the whole thing again...";; 341 N*) echo "Let's try the whole thing again...";; 342 *) LIST_OK="YES";; 343 esac 344 345done 346 347echo "Building ${YP_DIR}/${DOMAIN}/ypservers..." 348rm -f ${YP_DIR}/ypservers 349touch -f ${YP_DIR}/ypservers 350rm -f ${YP_DIR}/${DOMAIN}/ypservers 351for host in ${HOST_LIST}; 352do 353 echo "${host} ${host}" >> ${YP_DIR}/ypservers 354 echo "${host} ${host}" 355done | ${MAKEDBM} - ${YP_DIR}/${DOMAIN}/ypservers 356 357if [ $? -ne 0 ]; then 358 echo "" 1>&2 359 echo "Couldn't build yp data base ${YP_DIR}/${DOMAIN}/ypservers." 1>&2 360 ERROR_EXISTS="YES" 361 if [ "${ERROR_EXIT}" = "YES" ]; then 362 exit 1 363 fi 364fi 365 366if [ "${SERVERTYPE}" = "MASTER" ]; then 367 368 CUR_PWD=`pwd` 369 cd ${YP_DIR} 370 echo "Running ${YP_DIR}/Makefile..." 371 if ! make NOPUSH=True UPDATE_DOMAIN=${DOMAIN} YP_DIR=${YP_DIR}; then 372 echo "" 1>&2 373 echo "Error running Makefile." 1>&2 374 ERROR_EXISTS="YES" 375 if [ "${ERROR_EXIT}" = "YES" ]; then 376 exit 1 377 fi 378 fi 379 380 cd ${CUR_PWD} 381 382 echo "" 383 if [ "${ERROR_EXISTS}" = "YES" ]; then 384 echo "${HOST} has been setup as an YP master server with errors. " 1>&2 385 echo "Please remember fix any problem that occurred." 1>&2 386 else 387 echo "${HOST} has been setup as an YP master server without any errors. " 388 fi 389 390fi 391