| 1 | # $NetBSD: rc.subr,v 1.49 2002/05/21 12:31:01 lukem Exp $ |
| 2 | # $FreeBSD: src/etc/rc.subr,v 1.13 2003/06/09 17:31:06 mtm Exp $ |
| 3 | # $DragonFly: src/etc/rc.subr,v 1.15 2008/04/05 08:07:11 matthias Exp $ |
| 4 | # |
| 5 | # Copyright (c) 1997-2002 The NetBSD Foundation, Inc. |
| 6 | # All rights reserved. |
| 7 | # |
| 8 | # This code is derived from software contributed to The NetBSD Foundation |
| 9 | # by Luke Mewburn. |
| 10 | # |
| 11 | # Redistribution and use in source and binary forms, with or without |
| 12 | # modification, are permitted provided that the following conditions |
| 13 | # are met: |
| 14 | # 1. Redistributions of source code must retain the above copyright |
| 15 | # notice, this list of conditions and the following disclaimer. |
| 16 | # 2. Redistributions in binary form must reproduce the above copyright |
| 17 | # notice, this list of conditions and the following disclaimer in the |
| 18 | # documentation and/or other materials provided with the distribution. |
| 19 | # 3. All advertising materials mentioning features or use of this software |
| 20 | # must display the following acknowledgement: |
| 21 | # This product includes software developed by the NetBSD |
| 22 | # Foundation, Inc. and its contributors. |
| 23 | # 4. Neither the name of The NetBSD Foundation nor the names of its |
| 24 | # contributors may be used to endorse or promote products derived |
| 25 | # from this software without specific prior written permission. |
| 26 | # |
| 27 | # THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS |
| 28 | # ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED |
| 29 | # TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| 30 | # PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS |
| 31 | # BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| 32 | # CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| 33 | # SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| 34 | # INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| 35 | # CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| 36 | # ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| 37 | # POSSIBILITY OF SUCH DAMAGE. |
| 38 | # |
| 39 | # rc.subr |
| 40 | # functions used by various rc scripts |
| 41 | # |
| 42 | |
| 43 | # |
| 44 | # Operating System dependent/independent variables |
| 45 | # |
| 46 | |
| 47 | if [ "X$_file" = "X" ]; then |
| 48 | _file=$0 |
| 49 | fi |
| 50 | |
| 51 | provide_list=`rcorder -p $_file` |
| 52 | |
| 53 | SYSCTL="/sbin/sysctl" |
| 54 | SYSCTL_N="${SYSCTL} -n" |
| 55 | CMD_OSTYPE="${SYSCTL_N} kern.ostype" |
| 56 | OSTYPE=`${CMD_OSTYPE}` |
| 57 | |
| 58 | RC_RUNNING=0 |
| 59 | RC_FAILED=1 |
| 60 | RC_DISABLED=2 |
| 61 | RC_IRRELEVANT=3 |
| 62 | RC_CONFIGURED=4 |
| 63 | RC_STOPPED=5 |
| 64 | SYSCTL_W="${SYSCTL}" |
| 65 | |
| 66 | # |
| 67 | # functions |
| 68 | # --------- |
| 69 | |
| 70 | # |
| 71 | # set_rcvar base_var |
| 72 | # Set the variable name enabling a specific service. |
| 73 | # FreeBSD uses ${service}_enable, while NetBSD uses |
| 74 | # just the name of the service. For example: |
| 75 | # FreeBSD: sendmail_enable="YES" |
| 76 | # NetBSD : sendmail="YES" |
| 77 | # $1 - if $name is not the base to work of off, specify |
| 78 | # a different one |
| 79 | # |
| 80 | set_rcvar() |
| 81 | { |
| 82 | if [ -z "$1" ]; then |
| 83 | base_var=${name} |
| 84 | else |
| 85 | base_var="$1" |
| 86 | fi |
| 87 | |
| 88 | echo ${base_var} |
| 89 | } |
| 90 | |
| 91 | # set_provide_list |
| 92 | # |
| 93 | # $1 should be $rc_arg (start, stop, restart, reload, etc) |
| 94 | # $2 return value $RC_* |
| 95 | # |
| 96 | # Set the rcng_* variables associated with elements in provide_list |
| 97 | # based on $1 and $2. |
| 98 | # |
| 99 | # Returns non-zero when early termination should occur, in which |
| 100 | # case the caller should return with a value of $? - 1 |
| 101 | # |
| 102 | set_provide_list() |
| 103 | { |
| 104 | # Remember, plret is set to the early termination return code + 1, |
| 105 | # or 0 if we want to continue the operation. |
| 106 | # |
| 107 | for i in $provide_list; do |
| 108 | case $1$2 in |
| 109 | start$RC_RUNNING|restart$RC_RUNNING) |
| 110 | varsym -s rcng_$i=running |
| 111 | ;; |
| 112 | start$RC_FAILED|restart$RC_FAILED) |
| 113 | varsym -s rcng_$i=failed |
| 114 | ;; |
| 115 | start$RC_DISABLED|restart$RC_DISABLED|reload$RC_DISABLED) |
| 116 | varsym -s rcng_$i=disabled |
| 117 | ;; |
| 118 | start$RC_IRRELEVANT|restart$RC_IRRELEVANT|reload$RC_IRRELEVANT) |
| 119 | varsym -s rcng_$i=irrelevant |
| 120 | ;; |
| 121 | start$RC_CONFIGURED|restart$RC_CONFIGURED) |
| 122 | varsym -s rcng_$i=configured |
| 123 | ;; |
| 124 | stop$RC_DISABLED) |
| 125 | varsym -s rcng_$i=disabled |
| 126 | ;; |
| 127 | stop$RC_IRRELEVANT) |
| 128 | varsym -s rcng_$i=irrelevant |
| 129 | ;; |
| 130 | stop*) |
| 131 | varsym -s rcng_$i=stopped |
| 132 | ;; |
| 133 | *) |
| 134 | ;; |
| 135 | esac |
| 136 | done |
| 137 | } |
| 138 | |
| 139 | # check_early_term |
| 140 | # $1 should be $rc_arg (start, stop, restart, reload, etc) |
| 141 | # $2 return value $RC_* |
| 142 | # $3 $rc_force "" not to force, "anything" to force. |
| 143 | # |
| 144 | # The return code is 0 if early termination is not to occur, non-zero if |
| 145 | # it is to occur. When early termination is to occur the caller should |
| 146 | # return check_early_term()'s return code - 1. That is, early termination |
| 147 | # can occur with or without an error. |
| 148 | # |
| 149 | # The provide list will be adjusted when early termination occurs. |
| 150 | # |
| 151 | check_early_term() |
| 152 | { |
| 153 | case $2 in |
| 154 | $RC_RUNNING) |
| 155 | return 0 |
| 156 | ;; |
| 157 | $RC_FAILED) |
| 158 | set_provide_list $1 $2 |
| 159 | [ -z "$3" ] || return 0 |
| 160 | return 2 |
| 161 | ;; |
| 162 | $RC_DISABLED) |
| 163 | set_provide_list $1 $2 |
| 164 | [ -z "$3" ] || return 0 |
| 165 | return 1 |
| 166 | ;; |
| 167 | $RC_IRRELEVANT) |
| 168 | set_provide_list $1 $2 |
| 169 | [ -z "$3" ] || return 0 |
| 170 | return 1 |
| 171 | ;; |
| 172 | $RC_CONFIGURED) |
| 173 | return 0 |
| 174 | ;; |
| 175 | $RC_STOPPED) |
| 176 | return 0 |
| 177 | ;; |
| 178 | esac |
| 179 | set_provide_list $1 $2 |
| 180 | [ -z "$3" ] || return 0 |
| 181 | return 2 |
| 182 | } |
| 183 | |
| 184 | # adjust_return_code $1 |
| 185 | # |
| 186 | # Convert the return code to an exit code of 0 (success) or 1 (failure) |
| 187 | # |
| 188 | adjust_return_code() |
| 189 | { |
| 190 | if [ $1 = $RC_FAILED ]; then |
| 191 | return 1 |
| 192 | fi |
| 193 | return 0 |
| 194 | } |
| 195 | |
| 196 | # |
| 197 | # force_depend script |
| 198 | # Force a service to start. Intended for use by services |
| 199 | # to resolve dependency issues. It is assumed the caller |
| 200 | # has check to make sure this call is necessary |
| 201 | # $1 - filename of script, in /etc/rc.d, to run |
| 202 | # |
| 203 | force_depend() |
| 204 | { |
| 205 | _depend="$1" |
| 206 | |
| 207 | info "${name} depends on ${_depend}, which will be forced to start." |
| 208 | if ! /etc/rc.d/${_depend} forcestart ; then |
| 209 | warn "Unable to force ${_depend}. It may already be running." |
| 210 | return 1 |
| 211 | fi |
| 212 | return 0 |
| 213 | } |
| 214 | |
| 215 | # |
| 216 | # checkyesno var |
| 217 | # Test $1 variable, and warn if not set to YES or NO. |
| 218 | # Return 0 if it's "yes" (et al), nonzero otherwise. |
| 219 | # |
| 220 | checkyesno() |
| 221 | { |
| 222 | # try foo |
| 223 | eval _value=\$${1%_enable} |
| 224 | # try foo_enable |
| 225 | if [ -z $_value ] |
| 226 | then |
| 227 | eval _value=\$${1%_enable}_enable; |
| 228 | fi |
| 229 | debug "checkyesno: $1 is set to $_value." |
| 230 | case $_value in |
| 231 | |
| 232 | # "yes", "true", "on", or "1" |
| 233 | [Yy][Ee][Ss]|[Tt][Rr][Uu][Ee]|[Oo][Nn]|1) |
| 234 | return 0 |
| 235 | ;; |
| 236 | |
| 237 | # "no", "false", "off", or "0" |
| 238 | [Nn][Oo]|[Ff][Aa][Ll][Ss][Ee]|[Oo][Ff][Ff]|0) |
| 239 | return 1 |
| 240 | ;; |
| 241 | *) |
| 242 | warn "\$${1} is not set properly - see rc.conf(5)." |
| 243 | return 1 |
| 244 | ;; |
| 245 | esac |
| 246 | } |
| 247 | |
| 248 | # reverse_list list |
| 249 | # print the list in reverse order |
| 250 | # |
| 251 | reverse_list() |
| 252 | { |
| 253 | _revlist= |
| 254 | for _revfile in $*; do |
| 255 | _revlist="$_revfile $_revlist" |
| 256 | done |
| 257 | echo $_revlist |
| 258 | } |
| 259 | |
| 260 | # |
| 261 | # mount_critical_filesystems type |
| 262 | # Go through the list of critical filesystems as provided in |
| 263 | # the rc.conf(5) variable $critical_filesystems_${type}, checking |
| 264 | # each one to see if it is mounted, and if it is not, mounting it. |
| 265 | # |
| 266 | mount_critical_filesystems() |
| 267 | { |
| 268 | eval _fslist=\$critical_filesystems_${1} |
| 269 | for _fs in $_fslist; do |
| 270 | mount | ( |
| 271 | _ismounted=no |
| 272 | while read what _on on _type type; do |
| 273 | if [ $on = $_fs ]; then |
| 274 | _ismounted=yes |
| 275 | fi |
| 276 | done |
| 277 | if [ $_ismounted = no ]; then |
| 278 | mount $_fs >/dev/null 2>&1 |
| 279 | fi |
| 280 | ) |
| 281 | done |
| 282 | } |
| 283 | |
| 284 | # |
| 285 | # check_pidfile pidfile procname [interpreter] |
| 286 | # Parses the first line of pidfile for a PID, and ensures |
| 287 | # that the process is running and matches procname. |
| 288 | # Prints the matching PID upon success, nothing otherwise. |
| 289 | # interpreter is optional; see _find_processes() for details. |
| 290 | # |
| 291 | check_pidfile() |
| 292 | { |
| 293 | _pidfile=$1 |
| 294 | _procname=$2 |
| 295 | _interpreter=$3 |
| 296 | if [ -z "$_pidfile" -o -z "$_procname" ]; then |
| 297 | err 3 'USAGE: check_pidfile pidfile procname [interpreter]' |
| 298 | fi |
| 299 | if [ ! -f $_pidfile ]; then |
| 300 | debug "pid file {$_pidfile): not readable." |
| 301 | return |
| 302 | fi |
| 303 | read _pid _junk < $_pidfile |
| 304 | if [ -z "$_pid" ]; then |
| 305 | debug "pid file {$_pidfile): no pid in file." |
| 306 | return |
| 307 | fi |
| 308 | _find_processes $_procname ${_interpreter:-.} '-p '"$_pid" |
| 309 | } |
| 310 | |
| 311 | # |
| 312 | # check_process procname [interpreter] |
| 313 | # Ensures that a process (or processes) named procname is running. |
| 314 | # Prints a list of matching PIDs. |
| 315 | # interpreter is optional; see _find_processes() for details. |
| 316 | # |
| 317 | check_process() |
| 318 | { |
| 319 | _procname=$1 |
| 320 | _interpreter=$2 |
| 321 | if [ -z "$_procname" ]; then |
| 322 | err 3 'USAGE: check_process procname [interpreter]' |
| 323 | fi |
| 324 | _find_processes $_procname ${_interpreter:-.} '-ax' |
| 325 | } |
| 326 | |
| 327 | # |
| 328 | # _find_processes procname interpreter psargs |
| 329 | # Search for procname in the output of ps generated by psargs. |
| 330 | # Prints the PIDs of any matching processes, space separated. |
| 331 | # |
| 332 | # If interpreter == ".", check the following variations of procname |
| 333 | # against the first word of each command: |
| 334 | # procname |
| 335 | # `basename procname` |
| 336 | # `basename procname` + ":" |
| 337 | # "(" + `basename procname` + ")" |
| 338 | # |
| 339 | # If interpreter != ".", read the first line of procname, remove the |
| 340 | # leading #!, normalise whitespace, append procname, and attempt to |
| 341 | # match that against each command, either as is, or with extra words |
| 342 | # at the end. |
| 343 | # |
| 344 | _find_processes() |
| 345 | { |
| 346 | if [ $# -ne 3 ]; then |
| 347 | err 3 'USAGE: _find_processes procname interpreter psargs' |
| 348 | fi |
| 349 | _procname=$1 |
| 350 | _interpreter=$2 |
| 351 | _psargs=$3 |
| 352 | |
| 353 | _pref= |
| 354 | if [ $_interpreter != "." ]; then # an interpreted script |
| 355 | read _interp < $_procname # read interpreter name |
| 356 | _interp=${_interp#\#!} # strip #! |
| 357 | set -- $_interp |
| 358 | if [ $_interpreter != $1 ]; then |
| 359 | warn "\$command_interpreter $_interpreter != $1" |
| 360 | fi |
| 361 | _interp="$* $_procname" # cleanup spaces, add _procname |
| 362 | _interpbn="$1" # the interpreter binary |
| 363 | _fp_args='_argv' |
| 364 | _fp_match='case "$_argv" in |
| 365 | "${_interpbn##*/}: "$_procname*|${_interp}|"${_interp} "*)' |
| 366 | else # a normal daemon |
| 367 | _procnamebn=${_procname##*/} |
| 368 | _fp_args='_arg0 _argv' |
| 369 | _fp_match='case "$_arg0" in |
| 370 | $_procname|$_procnamebn|${_procnamebn}:|"(${_procnamebn})")' |
| 371 | fi |
| 372 | |
| 373 | _proccheck=' |
| 374 | ps -o "pid,command" '"$_psargs"' | |
| 375 | while read _npid '"$_fp_args"'; do |
| 376 | case "$_npid" in |
| 377 | PID) |
| 378 | continue ;; |
| 379 | esac ; '"$_fp_match"' |
| 380 | echo -n "$_pref$_npid" ; |
| 381 | _pref=" " |
| 382 | ;; |
| 383 | esac |
| 384 | done' |
| 385 | |
| 386 | # debug "in _find_processes: proccheck is ($_proccheck)." |
| 387 | eval $_proccheck |
| 388 | } |
| 389 | |
| 390 | # |
| 391 | # wait_for_pids pid [pid ...] |
| 392 | # spins until none of the pids exist |
| 393 | # |
| 394 | wait_for_pids() |
| 395 | { |
| 396 | _list=$* |
| 397 | if [ -z "$_list" ]; then |
| 398 | return |
| 399 | fi |
| 400 | _prefix= |
| 401 | while true; do |
| 402 | _nlist=""; |
| 403 | for _j in $_list; do |
| 404 | if kill -0 $_j 2>/dev/null; then |
| 405 | _nlist="${_nlist}${_nlist:+ }$_j" |
| 406 | fi |
| 407 | done |
| 408 | if [ -z "$_nlist" ]; then |
| 409 | break |
| 410 | fi |
| 411 | _list=$_nlist |
| 412 | echo -n ${_prefix:-"Waiting for PIDS: "}$_list |
| 413 | _prefix=", " |
| 414 | sleep 2 |
| 415 | done |
| 416 | if [ -n "$_prefix" ]; then |
| 417 | echo "." |
| 418 | fi |
| 419 | } |
| 420 | |
| 421 | # |
| 422 | # run_rc_command argument |
| 423 | # Search for argument in the list of supported commands, which is: |
| 424 | # "start stop restart rcvar status poll ${extra_commands}" |
| 425 | # If there's a match, run ${argument}_cmd or the default method |
| 426 | # (see below). |
| 427 | # |
| 428 | # If argument has a given prefix, then change the operation as follows: |
| 429 | # Prefix Operation |
| 430 | # ------ --------- |
| 431 | # fast Skip the pid check, and set rc_fast=yes |
| 432 | # force Set ${rcvar} to YES, and set rc_force=yes |
| 433 | # one Set ${rcvar} to YES |
| 434 | # |
| 435 | # The following globals are used: |
| 436 | # |
| 437 | # Name Needed Purpose |
| 438 | # ---- ------ ------- |
| 439 | # provide_list (gen) list of keywords provided by current rcng file |
| 440 | # |
| 441 | # name y Name of script. |
| 442 | # |
| 443 | # command n Full path to command. |
| 444 | # Not needed if ${rc_arg}_cmd is set for |
| 445 | # each keyword. |
| 446 | # |
| 447 | # command_args n Optional args/shell directives for command. |
| 448 | # |
| 449 | # command_interpreter n If not empty, command is interpreted, so |
| 450 | # call check_{pidfile,process}() appropriately. |
| 451 | # |
| 452 | # extra_commands n List of extra commands supported. |
| 453 | # |
| 454 | # pidfile n If set, use check_pidfile $pidfile $command, |
| 455 | # otherwise use check_process $command. |
| 456 | # In either case, only check if $command is set. |
| 457 | # |
| 458 | # procname n Process name to check for instead of $command. |
| 459 | # |
| 460 | # rcvar n This is checked with checkyesno to determine |
| 461 | # if the action should be run. |
| 462 | # |
| 463 | # ${name}_chroot n Directory to chroot to before running ${command} |
| 464 | # Requires /usr to be mounted. |
| 465 | # |
| 466 | # ${name}_chdir n Directory to cd to before running ${command} |
| 467 | # (if not using ${name}_chroot). |
| 468 | # |
| 469 | # ${name}_flags n Arguments to call ${command} with. |
| 470 | # NOTE: $flags from the parent environment |
| 471 | # can be used to override this. |
| 472 | # |
| 473 | # ${name}_nice n Nice level to run ${command} at. |
| 474 | # |
| 475 | # ${name}_user n User to run ${command} as, using su(1) if not |
| 476 | # using ${name}_chroot. |
| 477 | # Requires /usr to be mounted. |
| 478 | # |
| 479 | # ${name}_group n Group to run chrooted ${command} as. |
| 480 | # Requires /usr to be mounted. |
| 481 | # |
| 482 | # ${name}_groups n Comma separated list of supplementary groups |
| 483 | # to run the chrooted ${command} with. |
| 484 | # Requires /usr to be mounted. |
| 485 | # |
| 486 | # ${rc_arg}_cmd n If set, use this as the method when invoked; |
| 487 | # Otherwise, use default command (see below) |
| 488 | # |
| 489 | # ${rc_arg}_precmd n If set, run just before performing the |
| 490 | # ${rc_arg}_cmd method in the default |
| 491 | # operation (i.e, after checking for required |
| 492 | # bits and process (non)existence). |
| 493 | # If this completes with a non-zero exit code, |
| 494 | # don't run ${rc_arg}_cmd. |
| 495 | # |
| 496 | # ${rc_arg}_postcmd n If set, run just after performing the |
| 497 | # ${rc_arg}_cmd method, if that method |
| 498 | # returned a zero exit code. |
| 499 | # |
| 500 | # required_dirs n If set, check for the existence of the given |
| 501 | # directories before running the default |
| 502 | # (re)start command. |
| 503 | # |
| 504 | # required_files n If set, check for the readability of the given |
| 505 | # files before running the default (re)start |
| 506 | # command. |
| 507 | # |
| 508 | # required_vars n If set, perform checkyesno on each of the |
| 509 | # listed variables before running the default |
| 510 | # (re)start command. |
| 511 | # |
| 512 | # Default behaviour for a given argument, if no override method is |
| 513 | # provided: |
| 514 | # |
| 515 | # Argument Default behaviour |
| 516 | # -------- ----------------- |
| 517 | # start if !running && checkyesno ${rcvar} |
| 518 | # ${command} |
| 519 | # |
| 520 | # stop if ${pidfile} |
| 521 | # rc_pid=$(check_pidfile $pidfile $command) |
| 522 | # else |
| 523 | # rc_pid=$(check_process $command) |
| 524 | # kill $sig_stop $rc_pid |
| 525 | # wait_for_pids $rc_pid |
| 526 | # ($sig_stop defaults to TERM.) |
| 527 | # |
| 528 | # reload Similar to stop, except use $sig_reload instead, |
| 529 | # and doesn't wait_for_pids. |
| 530 | # $sig_reload defaults to HUP. |
| 531 | # |
| 532 | # restart Run `stop' then `start'. |
| 533 | # |
| 534 | # status Show if ${command} is running, etc. |
| 535 | # |
| 536 | # poll Wait for ${command} to exit. |
| 537 | # |
| 538 | # rcvar Display what rc.conf variable is used (if any). |
| 539 | # |
| 540 | # Variables available to methods, and after run_rc_command() has |
| 541 | # completed: |
| 542 | # |
| 543 | # Variable Purpose |
| 544 | # -------- ------- |
| 545 | # rc_arg Argument to command, after fast/force/one processing |
| 546 | # performed |
| 547 | # |
| 548 | # rc_flags Flags to start the default command with. |
| 549 | # Defaults to ${name}_flags, unless overridden |
| 550 | # by $flags from the environment. |
| 551 | # This variable may be changed by the precmd method. |
| 552 | # |
| 553 | # rc_pid PID of command (if appropriate) |
| 554 | # |
| 555 | # rc_fast Not empty if "fast" was provided (q.v.) |
| 556 | # |
| 557 | # rc_force Not empty if "force" was provided (q.v.) |
| 558 | # |
| 559 | # |
| 560 | dummy_rc_command() |
| 561 | { |
| 562 | rc_arg=$1 |
| 563 | |
| 564 | case "$rc_arg" in |
| 565 | fast*) # "fast" prefix; don't check pid |
| 566 | rc_arg=${rc_arg#fast} |
| 567 | ;; |
| 568 | force*) # "force" prefix; always start |
| 569 | rc_arg=${rc_arg#force} |
| 570 | ;; |
| 571 | one*) # "one" prefix; set ${rcvar}=yes |
| 572 | rc_arg=${rc_arg#one} |
| 573 | ;; |
| 574 | esac |
| 575 | set_provide_list $rc_arg $RC_CONFIGURED |
| 576 | return 0 |
| 577 | } |
| 578 | |
| 579 | run_rc_command() |
| 580 | { |
| 581 | _return=0 |
| 582 | rc_arg=$1 |
| 583 | if [ -z "$name" ]; then |
| 584 | err 3 'run_rc_command: $name is not set.' |
| 585 | fi |
| 586 | |
| 587 | case "$rc_arg" in |
| 588 | fast*) # "fast" prefix; don't check pid |
| 589 | rc_arg=${rc_arg#fast} |
| 590 | rc_fast=yes |
| 591 | ;; |
| 592 | force*) # "force" prefix; always start |
| 593 | rc_arg=${rc_arg#force} |
| 594 | rc_force=yes |
| 595 | if [ -n "${rcvar}" ]; then |
| 596 | eval ${rcvar}=YES |
| 597 | fi |
| 598 | ;; |
| 599 | one*) # "one" prefix; set ${rcvar}=yes |
| 600 | rc_arg=${rc_arg#one} |
| 601 | if [ -n "${rcvar}" ]; then |
| 602 | eval ${rcvar}=YES |
| 603 | fi |
| 604 | esac |
| 605 | |
| 606 | eval _override_command=\$${name}_program |
| 607 | if [ -n "$_override_command" ]; then |
| 608 | command=$_override_command |
| 609 | fi |
| 610 | |
| 611 | _keywords="start stop restart rcvar $extra_commands" |
| 612 | rc_pid= |
| 613 | _pidcmd= |
| 614 | _procname=${procname:-${command}} |
| 615 | |
| 616 | # setup pid check command if not fast |
| 617 | if [ -z "$rc_fast" -a -n "$_procname" ]; then |
| 618 | if [ -n "$pidfile" ]; then |
| 619 | _pidcmd='rc_pid=$(check_pidfile '"$pidfile $_procname $command_interpreter"')' |
| 620 | else |
| 621 | _pidcmd='rc_pid=$(check_process '"$_procname $command_interpreter"')' |
| 622 | fi |
| 623 | if [ -n "$_pidcmd" ]; then |
| 624 | _keywords="${_keywords} status poll" |
| 625 | fi |
| 626 | fi |
| 627 | |
| 628 | if [ -z "$rc_arg" ]; then |
| 629 | rc_usage "$_keywords" |
| 630 | fi |
| 631 | |
| 632 | if [ -n "$flags" ]; then # allow override from environment |
| 633 | rc_flags=$flags |
| 634 | else |
| 635 | eval rc_flags=\$${name}_flags |
| 636 | fi |
| 637 | eval _chdir=\$${name}_chdir _chroot=\$${name}_chroot \ |
| 638 | _nice=\$${name}_nice _user=\$${name}_user \ |
| 639 | _group=\$${name}_group _groups=\$${name}_groups |
| 640 | |
| 641 | if [ -n "$_user" ]; then # unset $_user if running as that user |
| 642 | if [ "$_user" = "$(id -un)" ]; then |
| 643 | unset _user |
| 644 | fi |
| 645 | fi |
| 646 | |
| 647 | # if ${rcvar} is set, and $1 is not |
| 648 | # "rcvar", then run |
| 649 | # checkyesno ${rcvar} |
| 650 | # and return if that failed |
| 651 | # |
| 652 | if [ -n "${rcvar}" -a "$rc_arg" != "rcvar" ]; then |
| 653 | if ! checkyesno ${rcvar}; then |
| 654 | set_provide_list $rc_arg $RC_DISABLED |
| 655 | return 0 |
| 656 | fi |
| 657 | fi |
| 658 | |
| 659 | eval $_pidcmd # determine the pid if necessary |
| 660 | |
| 661 | for _elem in $_keywords; do |
| 662 | if [ "$_elem" != "$rc_arg" ]; then |
| 663 | continue |
| 664 | fi |
| 665 | |
| 666 | # if there's a custom ${XXX_cmd}, |
| 667 | # run that instead of the default |
| 668 | # |
| 669 | eval _cmd=\$${rc_arg}_cmd _precmd=\$${rc_arg}_precmd \ |
| 670 | _postcmd=\$${rc_arg}_postcmd |
| 671 | if [ -n "$_cmd" ]; then |
| 672 | # if the precmd failed and force |
| 673 | # isn't set, exit |
| 674 | # |
| 675 | if [ -n "$_precmd" ]; then |
| 676 | debug "run_rc_command: evaluating ${_precmd}()." |
| 677 | eval $_precmd |
| 678 | |
| 679 | _return=$? |
| 680 | check_early_term $rc_arg $_return "$rc_force" || return $(($?-1)) |
| 681 | fi |
| 682 | |
| 683 | if [ -n "$_cmd" ]; then |
| 684 | debug "run_rc_command: evaluating ${_cmd}()." |
| 685 | eval $_cmd |
| 686 | _return=$? |
| 687 | check_early_term $rc_arg $_return "$rc_force" || return $(($?-1)) |
| 688 | fi |
| 689 | |
| 690 | if [ -n "$_postcmd" ]; then |
| 691 | debug "run_rc_command: evaluating ${_postcmd}()." |
| 692 | eval $_postcmd |
| 693 | _return=$? |
| 694 | check_early_term $rc_arg $_return "" || return $(($?-1)) |
| 695 | fi |
| 696 | set_provide_list $rc_arg $_return |
| 697 | adjust_return_code $_return |
| 698 | return $? |
| 699 | fi |
| 700 | |
| 701 | case "$rc_arg" in # default operations... |
| 702 | |
| 703 | status) |
| 704 | if [ -n "$rc_pid" ]; then |
| 705 | echo "${name} is running as pid $rc_pid." |
| 706 | else |
| 707 | echo "${name} is not running." |
| 708 | return 1 |
| 709 | fi |
| 710 | ;; |
| 711 | |
| 712 | start) |
| 713 | if [ -n "$rc_pid" ]; then |
| 714 | echo "${name} already running? (pid=$rc_pid)." |
| 715 | exit 1 |
| 716 | fi |
| 717 | |
| 718 | if [ ! -x $command ]; then |
| 719 | info "run_rc_command: cannot run ($command)." |
| 720 | set_provide_list $rc_arg $RC_FAILED |
| 721 | adjust_return_code $RC_FAILED |
| 722 | return $? |
| 723 | fi |
| 724 | |
| 725 | # check for required variables, |
| 726 | # directories, and files |
| 727 | # |
| 728 | for _f in $required_vars; do |
| 729 | if ! checkyesno $_f; then |
| 730 | warn "\$${_f} is not set." |
| 731 | if [ -z "$rc_force" ]; then |
| 732 | set_provide_list $rc_arg $RC_FAILED |
| 733 | adjust_return_code $RC_FAILED |
| 734 | return $? |
| 735 | fi |
| 736 | fi |
| 737 | done |
| 738 | for _f in $required_dirs; do |
| 739 | if [ ! -d "${_f}/." ]; then |
| 740 | warn "${_f} is not a directory." |
| 741 | if [ -z "$rc_force" ]; then |
| 742 | set_provide_list $rc_arg $RC_FAILED |
| 743 | adjust_return_code $RC_FAILED |
| 744 | return $? |
| 745 | fi |
| 746 | fi |
| 747 | done |
| 748 | for _f in $required_files; do |
| 749 | if [ ! -r "${_f}" ]; then |
| 750 | warn "${_f} is not readable." |
| 751 | if [ -z "$rc_force" ]; then |
| 752 | set_provide_list $rc_arg $RC_FAILED |
| 753 | adjust_return_code $RC_FAILED |
| 754 | return $? |
| 755 | fi |
| 756 | fi |
| 757 | done |
| 758 | |
| 759 | # if the precmd failed and force |
| 760 | # isn't set, exit |
| 761 | # |
| 762 | if [ -n "${_precmd}" ]; then |
| 763 | debug "run_rc_command: evaluating ${_precmd}()." |
| 764 | eval $_precmd |
| 765 | _return=$? |
| 766 | check_early_term $rc_arg $_return "$rc_force" || return $(($?-1)) |
| 767 | fi |
| 768 | |
| 769 | # setup the command to run, and run it |
| 770 | # |
| 771 | echo "Starting ${name}." |
| 772 | if [ -n "$_chroot" ]; then |
| 773 | _doit="\ |
| 774 | ${_nice:+nice -n $_nice }\ |
| 775 | chroot ${_user:+-u $_user }${_group:+-g $_group }${_groups:+-G $_groups }\ |
| 776 | $_chroot $command $rc_flags $command_args" |
| 777 | else |
| 778 | _doit="\ |
| 779 | ${_chdir:+cd $_chdir; }\ |
| 780 | ${_nice:+nice -n $_nice }\ |
| 781 | $command $rc_flags $command_args" |
| 782 | if [ -n "$_user" ]; then |
| 783 | _doit="su -m $_user -c 'sh -c \"$_doit\"'" |
| 784 | fi |
| 785 | fi |
| 786 | |
| 787 | # if the cmd failed and force |
| 788 | # isn't set, exit |
| 789 | # |
| 790 | debug "run_rc_command: _doit: $_doit" |
| 791 | eval $_doit |
| 792 | _return=$? |
| 793 | check_early_term $rc_arg $_return "$rc_force" || return $(($?-1)) |
| 794 | # finally, run postcmd |
| 795 | # |
| 796 | if [ -n "${_postcmd}" ]; then |
| 797 | debug "run_rc_command: evaluating ${_postcmd}()." |
| 798 | eval $_postcmd |
| 799 | fi |
| 800 | ;; |
| 801 | |
| 802 | stop) |
| 803 | if [ -z "$rc_pid" ]; then |
| 804 | if [ -n "$pidfile" ]; then |
| 805 | echo \ |
| 806 | "${name} not running? (check $pidfile)." |
| 807 | else |
| 808 | echo "${name} not running?" |
| 809 | fi |
| 810 | set_provide_list $rc_arg $RC_STOPPED |
| 811 | exit 1 |
| 812 | fi |
| 813 | |
| 814 | # if the precmd failed and force |
| 815 | # isn't set, exit |
| 816 | # |
| 817 | if [ -n "$_precmd" ]; then |
| 818 | eval $_precmd |
| 819 | _return=$? |
| 820 | check_early_term $rc_arg $_return "$rc_force" || return $(($?-1)) |
| 821 | fi |
| 822 | |
| 823 | # send the signal to stop |
| 824 | # |
| 825 | echo "Stopping ${name}." |
| 826 | _doit="kill -${sig_stop:-TERM} $rc_pid" |
| 827 | if [ -n "$_user" ]; then |
| 828 | _doit="su -m $_user -c 'sh -c \"$_doit\"'" |
| 829 | fi |
| 830 | |
| 831 | # if the stop cmd failed and force |
| 832 | # isn't set, exit |
| 833 | # |
| 834 | eval $_doit |
| 835 | _return=$? |
| 836 | check_early_term $rc_arg $_return "$rc_force" || return $(($?-1)) |
| 837 | # wait for the command to exit, |
| 838 | # and run postcmd. |
| 839 | sleep 0.1 |
| 840 | wait_for_pids $rc_pid |
| 841 | if [ -n "$_postcmd" ]; then |
| 842 | eval $_postcmd |
| 843 | _return=$? |
| 844 | fi |
| 845 | ;; |
| 846 | |
| 847 | reload) |
| 848 | if [ -z "$rc_pid" ]; then |
| 849 | if [ -n "$pidfile" ]; then |
| 850 | echo \ |
| 851 | "${name} not running? (check $pidfile)." |
| 852 | else |
| 853 | echo "${name} not running?" |
| 854 | fi |
| 855 | set_provide_list $rc_arg $RC_FAILED |
| 856 | exit 1 |
| 857 | fi |
| 858 | echo "Reloading ${name} config files." |
| 859 | if [ -n "$_precmd" ]; then |
| 860 | eval $_precmd |
| 861 | _return=$? |
| 862 | check_early_term $rc_arg $_return "$rc_force" || return $(($?-1)) |
| 863 | fi |
| 864 | _doit="kill -${sig_reload:-HUP} $rc_pid" |
| 865 | if [ -n "$_user" ]; then |
| 866 | _doit="su -m $_user -c 'sh -c \"$_doit\"'" |
| 867 | fi |
| 868 | eval $_doit |
| 869 | _return=$? |
| 870 | check_early_term $rc_arg $_return "$rc_force" || return $(($?-1)) |
| 871 | if [ -n "$_postcmd" ]; then |
| 872 | eval $_postcmd |
| 873 | _return=$? |
| 874 | fi |
| 875 | ;; |
| 876 | |
| 877 | restart) |
| 878 | if [ -n "$_precmd" ]; then |
| 879 | eval $_precmd |
| 880 | _return=$? |
| 881 | check_early_term $rc_arg $_return "$rc_force" || return $(($?-1)) |
| 882 | fi |
| 883 | # prevent restart being called more |
| 884 | # than once by any given script |
| 885 | # |
| 886 | if [ -n "$_rc_restart_done" ]; then |
| 887 | return 0 |
| 888 | fi |
| 889 | _rc_restart_done=YES |
| 890 | |
| 891 | ( $0 ${rc_force:+force}stop ) |
| 892 | $0 ${rc_force:+force}start |
| 893 | _return=$? |
| 894 | |
| 895 | if [ -n "$_postcmd" ]; then |
| 896 | eval $_postcmd |
| 897 | adjust_return_code $? |
| 898 | _return=$? |
| 899 | fi |
| 900 | # Do not set_provide_list(), the start command above |
| 901 | # will have done it for us and we do not know the |
| 902 | # actual RC code to base a setting on here. |
| 903 | # |
| 904 | return $_return |
| 905 | ;; |
| 906 | |
| 907 | poll) |
| 908 | if [ -n "$rc_pid" ]; then |
| 909 | wait_for_pids $rc_pid |
| 910 | fi |
| 911 | ;; |
| 912 | |
| 913 | rcvar) |
| 914 | echo "# $name" |
| 915 | if [ -n "$rcvar" ]; then |
| 916 | if checkyesno ${rcvar}; then |
| 917 | echo "\$${rcvar}=YES" |
| 918 | else |
| 919 | echo "\$${rcvar}=NO" |
| 920 | fi |
| 921 | fi |
| 922 | ;; |
| 923 | |
| 924 | *) |
| 925 | rc_usage "$_keywords" |
| 926 | ;; |
| 927 | |
| 928 | esac |
| 929 | set_provide_list $rc_arg $_return |
| 930 | adjust_return_code $_return |
| 931 | return $? |
| 932 | done |
| 933 | |
| 934 | echo 1>&2 "$0: unknown directive '$rc_arg'." |
| 935 | rc_usage "$_keywords" |
| 936 | exit 1 |
| 937 | } |
| 938 | |
| 939 | # |
| 940 | # run_rc_script file arg |
| 941 | # Start the script `file' with `arg', and correctly handle the |
| 942 | # return value from the script. If `file' ends with `.sh', it's |
| 943 | # sourced into the current environment. If `file' appears to be |
| 944 | # a backup or scratch file, ignore it. Otherwise if it's |
| 945 | # executable run as a child process. |
| 946 | # |
| 947 | run_rc_script() |
| 948 | { |
| 949 | _file=$1 |
| 950 | _arg=$2 |
| 951 | if [ -z "$_file" -o -z "$_arg" ]; then |
| 952 | err 3 'USAGE: run_rc_script file arg' |
| 953 | fi |
| 954 | |
| 955 | trap "echo 'Reboot interrupted'; exit 1" 3 |
| 956 | |
| 957 | unset name command command_args command_interpreter \ |
| 958 | extra_commands pidfile procname \ |
| 959 | rcvar required_dirs required_files required_vars |
| 960 | eval unset ${_arg}_cmd ${_arg}_precmd ${_arg}_postcmd |
| 961 | |
| 962 | case "$_file" in |
| 963 | *.sh) # run in current shell |
| 964 | set $_arg ; . $_file |
| 965 | ;; |
| 966 | *[~#]|*.OLD|*.orig) # scratch file; skip |
| 967 | warn "Ignoring scratch file $_file" |
| 968 | ;; |
| 969 | *) # run in subshell |
| 970 | if [ -x $_file ]; then |
| 971 | if [ -n "$rc_fast_and_loose" ]; then |
| 972 | set $_arg ; . $_file |
| 973 | else |
| 974 | ( trap "echo 'Reboot interrupted'; exit 1" 3 |
| 975 | set $_arg ; . $_file ) |
| 976 | fi |
| 977 | fi |
| 978 | ;; |
| 979 | esac |
| 980 | } |
| 981 | |
| 982 | # ltr str src dst |
| 983 | # Change every $src in $str to $dst. |
| 984 | # Useful when /usr is not yet mounted and we cannot use tr(1), sed(1) nor |
| 985 | # awk(1). |
| 986 | ltr() |
| 987 | { |
| 988 | local _str _src _dst _out _com |
| 989 | _str=$1 |
| 990 | _src=$2 |
| 991 | _dst=$3 |
| 992 | _out="" |
| 993 | |
| 994 | IFS=${_src} |
| 995 | for _com in ${_str}; do |
| 996 | if [ -z "${_out}" ]; then |
| 997 | _out="${_com}" |
| 998 | else |
| 999 | _out="${_out}${_dst}${_com}" |
| 1000 | fi |
| 1001 | done |
| 1002 | echo "${_out}" |
| 1003 | } |
| 1004 | |
| 1005 | # |
| 1006 | # load_rc_config |
| 1007 | # Source in the configuration file for a given command. |
| 1008 | # |
| 1009 | load_rc_config() |
| 1010 | { |
| 1011 | _command=$1 |
| 1012 | if [ -z "$_command" ]; then |
| 1013 | err 3 'USAGE: load_rc_config command' |
| 1014 | fi |
| 1015 | |
| 1016 | if [ -z "$_rc_conf_loaded" ]; then |
| 1017 | if [ -r /etc/defaults/rc.conf ]; then |
| 1018 | debug "Sourcing /etc/defaults/rc.conf" |
| 1019 | . /etc/defaults/rc.conf |
| 1020 | source_rc_confs |
| 1021 | elif [ -r /etc/rc.conf ]; then |
| 1022 | debug "Sourcing /etc/rc.conf (/etc/defaults/rc.conf doesn't exist)." |
| 1023 | . /etc/rc.conf |
| 1024 | fi |
| 1025 | _rc_conf_loaded=YES |
| 1026 | fi |
| 1027 | if [ -f /etc/rc.conf.d/"$_command" ]; then |
| 1028 | debug "Sourcing /etc/rc.conf.d/${_command}" |
| 1029 | . /etc/rc.conf.d/"$_command" |
| 1030 | fi |
| 1031 | |
| 1032 | # XXX - Deprecated variable name support |
| 1033 | # |
| 1034 | [ -n "$portmap_enable" ] && rpcbind_enable="$portmap_enable" |
| 1035 | [ -n "$portmap_program" ] && rpcbind_program="$portmap_program" |
| 1036 | [ -n "$portmap_flags" ] && rpcbind_flags="$portmap_flags" |
| 1037 | [ -n "$single_mountd_enable" ] && mountd_enable="$single_mountd_enable" |
| 1038 | [ -n "$dhcp_program" ] && dhclient_program="$dhcp_program" |
| 1039 | [ -n "$dhcp_flags" ] && dhclient_flags="$dhcp_flags" |
| 1040 | |
| 1041 | } |
| 1042 | |
| 1043 | # |
| 1044 | # rc_usage commands |
| 1045 | # Print a usage string for $0, with `commands' being a list of |
| 1046 | # valid commands. |
| 1047 | # |
| 1048 | rc_usage() |
| 1049 | { |
| 1050 | echo -n 1>&2 "Usage: $0 [fast|force|one](" |
| 1051 | |
| 1052 | _sep= |
| 1053 | for _elem in $*; do |
| 1054 | echo -n 1>&2 "$_sep$_elem" |
| 1055 | _sep="|" |
| 1056 | done |
| 1057 | echo 1>&2 ")" |
| 1058 | exit 1 |
| 1059 | } |
| 1060 | |
| 1061 | # |
| 1062 | # err exitval message |
| 1063 | # Display message to stderr and log to the syslog, and exit with exitval. |
| 1064 | # |
| 1065 | err() |
| 1066 | { |
| 1067 | exitval=$1 |
| 1068 | shift |
| 1069 | |
| 1070 | if [ -x /usr/bin/logger ]; then |
| 1071 | logger "$0: ERROR: $*" |
| 1072 | fi |
| 1073 | echo 1>&2 "$0: ERROR: $*" |
| 1074 | exit $exitval |
| 1075 | } |
| 1076 | |
| 1077 | # |
| 1078 | # warn message |
| 1079 | # Display message to stderr and log to the syslog. |
| 1080 | # |
| 1081 | warn() |
| 1082 | { |
| 1083 | if [ -x /usr/bin/logger ]; then |
| 1084 | logger "$0: WARNING: $*" |
| 1085 | fi |
| 1086 | echo 1>&2 "$0: WARNING: $*" |
| 1087 | } |
| 1088 | |
| 1089 | # |
| 1090 | # info message |
| 1091 | # Display informational message to stdout and log to syslog. |
| 1092 | # |
| 1093 | info() |
| 1094 | { |
| 1095 | case ${rc_info} in |
| 1096 | [Yy][Ee][Ss]|[Tt][Rr][Uu][Ee]|[Oo][Nn]|1) |
| 1097 | if [ -x /usr/bin/logger ]; then |
| 1098 | logger "$0: INFO: $*" |
| 1099 | fi |
| 1100 | echo "$0: INFO: $*" |
| 1101 | ;; |
| 1102 | esac |
| 1103 | } |
| 1104 | |
| 1105 | # |
| 1106 | # debug message |
| 1107 | # If debugging is enabled in rc.conf output message to stderr. |
| 1108 | # BEWARE that you don't call any subroutine that itself calls this |
| 1109 | # function. |
| 1110 | # |
| 1111 | debug() |
| 1112 | { |
| 1113 | case ${rc_debug} in |
| 1114 | [Yy][Ee][Ss]|[Tt][Rr][Uu][Ee]|[Oo][Nn]|1) |
| 1115 | if [ -x /usr/bin/logger ]; then |
| 1116 | logger "$0: INFO: $*" |
| 1117 | fi |
| 1118 | echo 1>&2 "$0: DEBUG: $*" |
| 1119 | ;; |
| 1120 | esac |
| 1121 | } |
| 1122 | |
| 1123 | # |
| 1124 | # backup_file action file cur backup |
| 1125 | # Make a backup copy of `file' into `cur', and save the previous |
| 1126 | # version of `cur' as `backup' or use rcs for archiving. |
| 1127 | # |
| 1128 | # This routine checks the value of the backup_uses_rcs variable, |
| 1129 | # which can be either YES or NO. |
| 1130 | # |
| 1131 | # The `action' keyword can be one of the following: |
| 1132 | # |
| 1133 | # add `file' is now being backed up (and is possibly |
| 1134 | # being reentered into the backups system). `cur' |
| 1135 | # is created and RCS files, if necessary, are |
| 1136 | # created as well. |
| 1137 | # |
| 1138 | # update `file' has changed and needs to be backed up. |
| 1139 | # If `cur' exists, it is copied to to `back' or |
| 1140 | # checked into RCS (if the repository file is old), |
| 1141 | # and then `file' is copied to `cur'. Another RCS |
| 1142 | # check in done here if RCS is being used. |
| 1143 | # |
| 1144 | # remove `file' is no longer being tracked by the backups |
| 1145 | # system. If RCS is not being used, `cur' is moved |
| 1146 | # to `back', otherwise an empty file is checked in, |
| 1147 | # and then `cur' is removed. |
| 1148 | # |
| 1149 | # |
| 1150 | backup_file() |
| 1151 | { |
| 1152 | _action=$1 |
| 1153 | _cpfile=$2 |
| 1154 | _cur=$3 |
| 1155 | _back=$4 |
| 1156 | |
| 1157 | if checkyesno backup_uses_rcs; then |
| 1158 | _msg0="backup archive" |
| 1159 | _msg1="update" |
| 1160 | |
| 1161 | # ensure that history file is not locked |
| 1162 | if [ -f $_cur,v ]; then |
| 1163 | rcs -q -u -U -M $_cur |
| 1164 | fi |
| 1165 | |
| 1166 | # ensure after switching to rcs that the |
| 1167 | # current backup is not lost |
| 1168 | if [ -f $_cur ]; then |
| 1169 | # no archive, or current newer than archive |
| 1170 | if [ ! -f $_cur,v -o $_cur -nt $_cur,v ]; then |
| 1171 | ci -q -f -u -t-"$_msg0" -m"$_msg1" $_cur |
| 1172 | rcs -q -kb -U $_cur |
| 1173 | co -q -f -u $_cur |
| 1174 | fi |
| 1175 | fi |
| 1176 | |
| 1177 | case $_action in |
| 1178 | add|update) |
| 1179 | cp -p $_cpfile $_cur |
| 1180 | ci -q -f -u -t-"$_msg0" -m"$_msg1" $_cur |
| 1181 | rcs -q -kb -U $_cur |
| 1182 | co -q -f -u $_cur |
| 1183 | chown root:wheel $_cur $_cur,v |
| 1184 | ;; |
| 1185 | remove) |
| 1186 | cp /dev/null $_cur |
| 1187 | ci -q -f -u -t-"$_msg0" -m"$_msg1" $_cur |
| 1188 | rcs -q -kb -U $_cur |
| 1189 | chown root:wheel $_cur $_cur,v |
| 1190 | rm $_cur |
| 1191 | ;; |
| 1192 | esac |
| 1193 | else |
| 1194 | case $_action in |
| 1195 | add|update) |
| 1196 | if [ -f $_cur ]; then |
| 1197 | cp -p $_cur $_back |
| 1198 | fi |
| 1199 | cp -p $_cpfile $_cur |
| 1200 | chown root:wheel $_cur |
| 1201 | ;; |
| 1202 | remove) |
| 1203 | mv -f $_cur $_back |
| 1204 | ;; |
| 1205 | esac |
| 1206 | fi |
| 1207 | } |
| 1208 | |
| 1209 | # devfs_mount_jail dir |
| 1210 | # Mounts a devfs file system appropriate for jails |
| 1211 | # on the directory dir. |
| 1212 | # This function returns non-zero if an error occurs. |
| 1213 | # |
| 1214 | devfs_mount_jail() |
| 1215 | { |
| 1216 | local jdev _me |
| 1217 | jdev="$1" |
| 1218 | _me="devfs_mount_jail" |
| 1219 | |
| 1220 | if ! devfs_domount "$jdev" $rs; then |
| 1221 | warn "$_me: devfs was not mounted on $jdev" |
| 1222 | return 1 |
| 1223 | fi |
| 1224 | return 0 |
| 1225 | } |
| 1226 | |
| 1227 | # devfs_domount dir |
| 1228 | # Mount devfs on dir. |
| 1229 | # Returns 0 on success. |
| 1230 | # |
| 1231 | devfs_domount() |
| 1232 | { |
| 1233 | local devdir _me |
| 1234 | devdir="$1" |
| 1235 | _me="devfs_domount()" |
| 1236 | |
| 1237 | if [ -z "$devdir" ]; then |
| 1238 | warn "$_me: you must specify a mount-point" |
| 1239 | return 1 |
| 1240 | fi |
| 1241 | |
| 1242 | debug "$_me: mount-point is ($devdir)" |
| 1243 | if ! mount -t devfs devfs "$devdir"; then |
| 1244 | warn "$_me: Unable to mount devfs on $devdir" |
| 1245 | return 1 |
| 1246 | fi |
| 1247 | |
| 1248 | return 0 |
| 1249 | } |