sysrc revision 241565
1235427Sdelphij#!/bin/sh 2235427Sdelphij#- 3235427Sdelphij# Copyright (c) 2010-2012 Devin Teske 4235427Sdelphij# All rights reserved. 5235427Sdelphij# 6235427Sdelphij# Redistribution and use in source and binary forms, with or without 7235427Sdelphij# modification, are permitted provided that the following conditions 8235427Sdelphij# are met: 9235427Sdelphij# 1. Redistributions of source code must retain the above copyright 10235427Sdelphij# notice, this list of conditions and the following disclaimer. 11235427Sdelphij# 2. Redistributions in binary form must reproduce the above copyright 12235427Sdelphij# notice, this list of conditions and the following disclaimer in the 13235427Sdelphij# documentation and/or other materials provided with the distribution. 14235427Sdelphij# 15251158Sdelphij# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16235427Sdelphij# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING BUT NOT LIMITED TO, THE 17235427Sdelphij# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18235427Sdelphij# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 19235427Sdelphij# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20235427Sdelphij# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21235427Sdelphij# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22235427Sdelphij# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23235427Sdelphij# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24235427Sdelphij# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25235427Sdelphij# SUCH DAMAGE. 26235427Sdelphij# 27235427Sdelphij# $FreeBSD: head/usr.sbin/sysrc/sysrc 241565 2012-10-14 23:45:56Z dteske $ 28235427Sdelphij# 29235427Sdelphij############################################################ INCLUDES 30235427Sdelphij 31235427SdelphijBSDCFG_SHARE="/usr/share/bsdconfig" 32235427Sdelphij[ "$_COMMON_SUBR" ] || . $BSDCFG_SHARE/common.subr || exit 1 33235427Sdelphij[ "$_SYSRC_SUBR" ] || f_include $BSDCFG_SHARE/sysrc.subr 34235427Sdelphij 35235427Sdelphij############################################################ CONFIGURATION 36235427Sdelphij 37235427Sdelphij# 38235427Sdelphij# Default verbosity. 39235427Sdelphij# 40235427Sdelphij: ${SYSRC_VERBOSE:=} 41235427Sdelphij 42235427Sdelphij############################################################ GLOBALS 43235427Sdelphij 44235427Sdelphij# 45235427Sdelphij# Options 46235427Sdelphij# 47235427SdelphijDELETE= 48235427SdelphijDESCRIBE= 49251158SdelphijIGNORE_UNKNOWNS= 50235427SdelphijJAIL= 51235427SdelphijQUIET= 52235427SdelphijROOTDIR= 53235427SdelphijSHOW_ALL= 54235427SdelphijSHOW_EQUALS= 55235427SdelphijSHOW_FILE= 56235427SdelphijSHOW_NAME=1 57235427SdelphijSHOW_VALUE=1 58235427Sdelphij 59235427Sdelphij############################################################ FUNCTIONS 60235427Sdelphij 61235427Sdelphij# die [ $fmt [ $opts ... ]] 62235427Sdelphij# 63235427Sdelphij# Optionally print a message to stderr before exiting with failure status. 64235427Sdelphij# 65235427Sdelphijdie() 66235427Sdelphij{ 67235427Sdelphij local fmt="$1" 68235427Sdelphij [ $# -gt 0 ] && shift 1 69235427Sdelphij [ "$fmt" ] && f_err "$fmt\n" "$@" 70235427Sdelphij 71235427Sdelphij exit $FAILURE 72235427Sdelphij} 73235427Sdelphij 74235427Sdelphij# usage 75235427Sdelphij# 76235427Sdelphij# Prints a short syntax statement and exits. 77235427Sdelphij# 78235427Sdelphijusage() 79235427Sdelphij{ 80235427Sdelphij f_err "Usage: %s [OPTIONS] name[=value] ...\n" "$pgm" 81235427Sdelphij f_err "Try \`%s --help' for more information.\n" "$pgm" 82235427Sdelphij die 83235427Sdelphij} 84235427Sdelphij 85235427Sdelphij# help 86235427Sdelphij# 87235427Sdelphij# Prints a full syntax statement and exits. 88235427Sdelphij# 89235427Sdelphijhelp() 90235427Sdelphij{ 91235427Sdelphij local optfmt="\t%-11s%s\n" 92235427Sdelphij local envfmt="\t%-17s%s\n" 93235427Sdelphij 94235427Sdelphij f_err "Usage: %s [OPTIONS] name[=value] ...\n" "$pgm" 95235427Sdelphij 96235427Sdelphij f_err "OPTIONS:\n" 97235427Sdelphij f_err "$optfmt" "-a" \ 98235427Sdelphij "Dump a list of all non-default configuration variables." 99235427Sdelphij f_err "$optfmt" "-A" \ 100235427Sdelphij "Dump a list of all configuration variables (incl. defaults)." 101235427Sdelphij f_err "$optfmt" "-d" \ 102235427Sdelphij "Print a description of the given variable." 103235427Sdelphij f_err "$optfmt" "-D" \ 104235427Sdelphij "Show default value(s) only (this is the same as setting" 105235427Sdelphij f_err "$optfmt" "" \ 106235427Sdelphij "RC_CONFS to NULL or passing \`-f' with a NULL file-argument)." 107235427Sdelphij f_err "$optfmt" "-e" \ 108235427Sdelphij "Print query results as \`var=value' (useful for producing" 109235427Sdelphij f_err "$optfmt" "" \ 110235427Sdelphij "output to be fed back in). Ignored if \`-n' is specified." 111235427Sdelphij f_err "$optfmt" "-f file" \ 112235427Sdelphij "Operate on the specified file(s) instead of rc_conf_files." 113235427Sdelphij f_err "$optfmt" "" \ 114235427Sdelphij "Can be specified multiple times for additional files." 115235427Sdelphij f_err "$optfmt" "-F" \ 116235427Sdelphij "Show only the last rc.conf(5) file each directive is in." 117235427Sdelphij f_err "$optfmt" "-h" \ 118235427Sdelphij "Print a short usage statement to stderr and exit." 119235427Sdelphij f_err "$optfmt" "--help" \ 120235427Sdelphij "Print this message to stderr and exit." 121235427Sdelphij f_err "$optfmt" "-i" \ 122235427Sdelphij "Ignore unknown variables." 123235427Sdelphij f_err "$optfmt" "-j jail" \ 124235427Sdelphij "The jid or name of the jail to operate within (overrides" 125235427Sdelphij f_err "$optfmt" "" \ 126235427Sdelphij "\`-R dir'; requires jexec(8))." 127235427Sdelphij f_err "$optfmt" "-n" \ 128235427Sdelphij "Show only variable values, not their names." 129235427Sdelphij f_err "$optfmt" "-N" \ 130235427Sdelphij "Show only variable names, not their values." 131235427Sdelphij f_err "$optfmt" "-q" \ 132235427Sdelphij "Quiet. Ignore previous \`-v' and/or SYSRC_VERBOSE." 133235427Sdelphij f_err "$optfmt" "-R dir" \ 134235427Sdelphij "Operate within the root directory \`dir' rather than \`/'." 135235427Sdelphij f_err "$optfmt" "-v" \ 136235427Sdelphij "Verbose. Print the pathname of the specific rc.conf(5)" 137235427Sdelphij f_err "$optfmt" "" \ 138235427Sdelphij "file where the directive was found." 139235427Sdelphij f_err "$optfmt" "-x" \ 140235427Sdelphij "Remove variable(s) from specified file(s)." 141235427Sdelphij f_err "\n" 142235427Sdelphij 143235427Sdelphij f_err "ENVIRONMENT:\n" 144235427Sdelphij f_err "$envfmt" "RC_CONFS" \ 145235427Sdelphij "Override default rc_conf_files (even if set to NULL)." 146235427Sdelphij f_err "$envfmt" "RC_DEFAULTS" \ 147235427Sdelphij "Location of \`/etc/defaults/rc.conf' file." 148235427Sdelphij f_err "$envfmt" "SYSRC_VERBOSE" \ 149235427Sdelphij "Default verbosity. Set to non-NULL to enable." 150235427Sdelphij 151235427Sdelphij die 152235427Sdelphij} 153235427Sdelphij 154235427Sdelphij# jail_depend 155235427Sdelphij# 156235427Sdelphij# Dump dependencies such as language-file variables and include files to stdout 157235427Sdelphij# to be piped-into sh(1) running via jexec(8)/chroot(8). As a security measure, 158235427Sdelphij# this prevents existing language files and library files from being loaded in 159235427Sdelphij# the jail. This also relaxes the requirement to have these files in every jail 160235427Sdelphij# before sysrc can be used on said jail. 161235427Sdelphij# 162235427Sdelphijjail_depend() 163235427Sdelphij{ 164235427Sdelphij # 165235427Sdelphij # Indicate that we are jailed 166235427Sdelphij # 167235427Sdelphij echo export _SYSRC_JAILED=1 168235427Sdelphij 169235427Sdelphij # 170251158Sdelphij # Print i18n language variables (their current values are sanitized 171235427Sdelphij # and re-printed for interpretation so that the i18n language files 172235427Sdelphij # do not need to exist within the jail). 173235427Sdelphij # 174235427Sdelphij local var val 175235427Sdelphij for var in \ 176235427Sdelphij msg_cannot_create_permission_denied \ 177235427Sdelphij msg_permission_denied \ 178235427Sdelphij msg_previous_syntax_errors \ 179235427Sdelphij ; do 180235427Sdelphij val=$( eval echo \"\$$var\" | 181235427Sdelphij awk '{ gsub(/'\''/, "'\''\\'\'\''"); print }' ) 182235427Sdelphij echo $var="'$val'" 183235427Sdelphij done 184235427Sdelphij 185235427Sdelphij # 186235427Sdelphij # Print include dependencies 187235427Sdelphij # 188235427Sdelphij cat $BSDCFG_SHARE/common.subr 189235427Sdelphij cat $BSDCFG_SHARE/sysrc.subr 190235427Sdelphij} 191235427Sdelphij 192235427Sdelphij############################################################ MAIN SOURCE 193235427Sdelphij 194235427Sdelphij# 195235427Sdelphij# Perform sanity checks 196235427Sdelphij# 197235427Sdelphij[ $# -gt 0 ] || usage 198235427Sdelphij 199235427Sdelphij# 200235427Sdelphij# Check for `--help' command-line option 201235427Sdelphij# 202235427Sdelphij( # Operate in sub-shell to protect $@ in parent 203235427Sdelphij while [ $# -gt 0 ]; do 204251158Sdelphij case "$1" in 205235427Sdelphij --help) exit 1;; 206251158Sdelphij -[fRj]) # These flags take an argument 207235427Sdelphij shift 1;; 208235427Sdelphij esac 209235427Sdelphij shift 1 210235427Sdelphij done 211235427Sdelphij exit 0 212235427Sdelphij) || help 213235427Sdelphij 214235427Sdelphij# 215235427Sdelphij# Process command-line flags 216235427Sdelphij# 217235427Sdelphijwhile getopts aAdDef:Fhij:nNqR:vxX flag; do 218235427Sdelphij case "$flag" in 219235427Sdelphij a) SHOW_ALL=${SHOW_ALL:-1};; 220235427Sdelphij A) SHOW_ALL=2;; 221235427Sdelphij d) DESCRIBE=1;; 222251158Sdelphij D) RC_CONFS=;; 223235427Sdelphij e) SHOW_EQUALS=1;; 224251158Sdelphij f) RC_CONFS="$RC_CONFS${RC_CONFS:+ }$OPTARG";; 225235427Sdelphij F) SHOW_FILE=1;; 226235427Sdelphij h) usage;; 227235427Sdelphij i) IGNORE_UNKNOWNS=1;; 228235427Sdelphij j) [ "$OPTARG" ] || die \ 229235427Sdelphij "%s: Missing or null argument to \`-j' flag" "$pgm" 230235427Sdelphij JAIL="$OPTARG";; 231235427Sdelphij n) SHOW_NAME=;; 232235427Sdelphij N) SHOW_VALUE=;; 233235427Sdelphij q) QUIET=1 SYSRC_VERBOSE=;; 234235427Sdelphij R) [ "$OPTARG" ] || die \ 235235427Sdelphij "%s: Missing or null argument to \`-R' flag" "$pgm" 236235427Sdelphij ROOTDIR="$OPTARG";; 237235427Sdelphij v) SYSRC_VERBOSE=1 QUIET=;; 238235427Sdelphij x) DELETE=${DELETE:-1};; 239235427Sdelphij X) DELETE=2;; 240235427Sdelphij \?) usage;; 241235427Sdelphij esac 242235427Sdelphijdone 243235427Sdelphijshift $(( $OPTIND - 1 )) 244235427Sdelphij 245235427Sdelphij# 246235427Sdelphij# [More] Sanity checks (e.g., "sysrc --") 247235427Sdelphij# 248235427Sdelphij[ $# -eq 0 -a ! "$SHOW_ALL" ] && usage 249235427Sdelphij 250235427Sdelphij# 251235427Sdelphij# Taint-check all rc.conf(5) files 252235427Sdelphij# 253235427Sdelphijerrmsg="$pgm: Exiting due to previous syntax errors" 254235427Sdelphijif [ "${RC_CONFS+set}" ]; then 255235427Sdelphij ( for i in $RC_CONFS; do 256235427Sdelphij [ -e "$i" ] || continue 257235427Sdelphij /bin/sh -n "$i" || exit $FAILURE 258235427Sdelphij done 259235427Sdelphij exit $SUCCESS 260235427Sdelphij ) || die "$errmsg" 261235427Sdelphijelse 262235427Sdelphij /bin/sh -n "$RC_DEFAULTS" || die "$errmsg" 263235427Sdelphij ( . "$RC_DEFAULTS" 264235427Sdelphij for i in $rc_conf_files; do 265235427Sdelphij [ -e "$i" ] || continue 266235427Sdelphij /bin/sh -n "$i" || exit $FAILURE 267235427Sdelphij done 268235427Sdelphij exit $SUCCESS 269235427Sdelphij ) || die "$errmsg" 270235427Sdelphijfi 271235427Sdelphij 272235427Sdelphij# 273235427Sdelphij# Process `-x' (and secret `-X') command-line options 274235427Sdelphij# 275235427Sdelphijerrmsg="$pgm: \`-x' option incompatible with \`-a'/\`-A' options" 276235427Sdelphijerrmsg="$errmsg (use \`-X' to override)" 277235427Sdelphijif [ "$DELETE" -a "$SHOW_ALL" ]; then 278235427Sdelphij [ "$DELETE" = "2" ] || die "$errmsg" 279235427Sdelphijfi 280235427Sdelphij 281235427Sdelphij# 282235427Sdelphij# Process `-e', `-n', and `-N' command-line options 283235427Sdelphij# 284235427SdelphijSEP=': ' 285235427Sdelphij[ "$SHOW_EQUALS" ] && SEP='="' 286235427Sdelphij[ "$SHOW_NAME" ] || SHOW_EQUALS= 287235427Sdelphij[ "$SYSRC_VERBOSE" = "0" ] && SYSRC_VERBOSE= 288235427Sdelphijif [ ! "$SHOW_VALUE" ]; then 289235427Sdelphij SHOW_NAME=1 290235427Sdelphij SHOW_EQUALS= 291235427Sdelphijfi 292235427Sdelphij 293235427Sdelphij# 294235427Sdelphij# Process `-j jail' and `-R dir' command-line options 295235427Sdelphij# 296235427Sdelphijif [ "$JAIL" -o "$ROOTDIR" ]; then 297235427Sdelphij # 298235427Sdelphij # Reconstruct the arguments that we want to carry-over 299235427Sdelphij # 300235427Sdelphij args=" 301235427Sdelphij ${SYSRC_VERBOSE:+-v} 302235427Sdelphij ${QUIET:+-q} 303235427Sdelphij $( [ "$DELETE" = "1" ] && echo \ -x ) 304235427Sdelphij $( [ "$DELETE" = "2" ] && echo \ -X ) 305235427Sdelphij $( [ "$SHOW_ALL" = "1" ] && echo \ -a ) 306235427Sdelphij $( [ "$SHOW_ALL" = "2" ] && echo \ -A ) 307235427Sdelphij ${DESCRIBE:+-d} 308235427Sdelphij ${SHOW_EQUALS:+-e} 309235427Sdelphij ${IGNORE_UNKNOWNS:+-i} 310235427Sdelphij $( [ "$SHOW_NAME" ] || echo \ -n ) 311235427Sdelphij $( [ "$SHOW_VALUE" ] || echo \ -N ) 312235427Sdelphij $( [ "$SHOW_FILE" ] && echo \ -F ) 313235427Sdelphij " 314235427Sdelphij if [ "${RC_CONFS+set}" ]; then 315235427Sdelphij args="$args -f '$RC_CONFS'" 316235427Sdelphij fi 317235427Sdelphij for arg in "$@"; do 318235427Sdelphij args="$args '$arg'" 319235427Sdelphij done 320235427Sdelphij 321235427Sdelphij # 322235427Sdelphij # If both are supplied, `-j jail' supercedes `-R dir' 323251158Sdelphij # 324235427Sdelphij if [ "$JAIL" ]; then 325235427Sdelphij # 326235427Sdelphij # Re-execute ourselves with sh(1) via jexec(8) 327235427Sdelphij # 328235427Sdelphij ( echo set -- $args 329235427Sdelphij jail_depend 330235427Sdelphij cat $0 331235427Sdelphij ) | env - RC_DEFAULTS="$RC_DEFAULTS" \ 332235427Sdelphij /usr/sbin/jexec "$JAIL" /bin/sh 333235427Sdelphij exit $? 334235427Sdelphij elif [ "$ROOTDIR" ]; then 335235427Sdelphij # 336235427Sdelphij # Make sure that the root directory specified is not to any 337235427Sdelphij # running jails. 338235427Sdelphij # 339235427Sdelphij # NOTE: To maintain backward compatibility with older jails on 340235427Sdelphij # older systems, we will not perform this check if either the 341235427Sdelphij # jls(1) or jexec(8) utilities are missing. 342235427Sdelphij # 343235427Sdelphij if f_have jexec && f_have jls; then 344235427Sdelphij jid="`jls jid path | \ 345235427Sdelphij ( 346235427Sdelphij while read JID JROOT; do 347235427Sdelphij [ "$JROOT" = "$ROOTDIR" ] || continue 348235427Sdelphij echo $JID 349235427Sdelphij done 350235427Sdelphij )`" 351235427Sdelphij 352235427Sdelphij # 353235427Sdelphij # If multiple running jails match the specified root 354235427Sdelphij # directory, exit with error. 355235427Sdelphij # 356235427Sdelphij if [ "$jid" -a "${jid%[$IFS]*}" != "$jid" ]; then 357235427Sdelphij die "%s: %s: %s" "$pgm" "$ROOTDIR" \ 358235427Sdelphij "$( echo "Multiple jails claim this" \ 359235427Sdelphij "directory as their root." \ 360235427Sdelphij "(use \`-j jail' instead)" )" 361235427Sdelphij fi 362235427Sdelphij 363235427Sdelphij # 364235427Sdelphij # If only a single running jail matches the specified 365235427Sdelphij # root directory, implicitly use `-j jail'. 366235427Sdelphij # 367235427Sdelphij if [ "$jid" ]; then 368235427Sdelphij # 369 # Re-execute outselves with sh(1) via jexec(8) 370 # 371 ( echo set -- $args 372 jail_depend 373 cat $0 374 ) | env - RC_DEFAULTS="$RC_DEFAULTS" \ 375 /usr/sbin/jexec "$jid" /bin/sh 376 exit $? 377 fi 378 379 # Otherwise, fall through and allow chroot(8) 380 fi 381 382 # 383 # Re-execute ourselves with sh(1) via chroot(8) 384 # 385 ( echo set -- $args 386 jail_depend 387 cat $0 388 ) | env - RC_DEFAULTS="$RC_DEFAULTS" \ 389 /usr/sbin/chroot "$ROOTDIR" /bin/sh 390 exit $? 391 fi 392fi 393 394# 395# Process `-a' or `-A' command-line options 396# 397if [ "$SHOW_ALL" ]; then 398 # 399 # Get a list of variables that are currently set in the rc.conf(5) 400 # files (included `/etc/defaults/rc.conf') by performing a call to 401 # source_rc_confs() in a clean environment. 402 # 403 ( # Operate in a sub-shell to protect the parent environment 404 # 405 # Set which variables we want to preserve in the environment. 406 # Append the pipe-character (|) to the list of internal field 407 # separation (IFS) characters, allowing us to use the below 408 # list both as an extended grep (-E) pattern and argument list 409 # (required to first get f_clean_env() to preserve these in the 410 # environment and then later to prune them from the list of 411 # variables produced by set(1)). 412 # 413 IFS="$IFS|" 414 EXCEPT="IFS|EXCEPT|PATH|RC_DEFAULTS|OPTIND|DESCRIBE|SEP" 415 EXCEPT="$EXCEPT|DELETE|SHOW_ALL|SHOW_EQUALS|SHOW_NAME" 416 EXCEPT="$EXCEPT|SHOW_VALUE|SHOW_FILE|SYSRC_VERBOSE|RC_CONFS" 417 EXCEPT="$EXCEPT|pgm|SUCCESS|FAILURE" 418 EXCEPT="$EXCEPT|f_sysrc_desc_awk|f_sysrc_delete_awk" 419 420 # 421 # Clean the environment (except for our required variables) 422 # and then source the required files. 423 # 424 f_clean_env --except $EXCEPT 425 if [ -f "$RC_DEFAULTS" -a -r "$RC_DEFAULTS" ]; then 426 . "$RC_DEFAULTS" 427 428 # 429 # If passed `-a' (rather than `-A'), re-purge the 430 # environment, removing the rc.conf(5) defaults. 431 # 432 [ "$SHOW_ALL" = "1" ] \ 433 && f_clean_env --except rc_conf_files $EXCEPT 434 435 # 436 # If `-f file' was passed, set $rc_conf_files to an 437 # explicit value, modifying the default behavior of 438 # source_rc_confs(). 439 # 440 [ "${RC_CONFS+set}" ] && rc_conf_files="$RC_CONFS" 441 442 source_rc_confs 443 444 # 445 # If passed `-a' (rather than `-A'), remove 446 # `rc_conf_files' unless it was defined somewhere 447 # other than rc.conf(5) defaults. 448 # 449 [ "$SHOW_ALL" = "1" -a \ 450 "$( f_sysrc_find rc_conf_files )" = "$RC_DEFAULTS" \ 451 ] \ 452 && unset rc_conf_files 453 fi 454 455 for NAME in $( set | 456 awk -F= '/^[[:alpha:]_][[:alnum:]_]*=/ {print $1}' | 457 grep -Ev "^($EXCEPT)$" 458 ); do 459 # 460 # If enabled, describe rather than expand value 461 # 462 if [ "$DESCRIBE" ]; then 463 echo "$NAME: $( f_sysrc_desc "$NAME" )" 464 continue 465 fi 466 467 # 468 # If `-F' is passed, find it and move on 469 # 470 if [ "$SHOW_FILE" ]; then 471 [ "$SHOW_NAME" ] && echo -n "$NAME: " 472 f_sysrc_find "$NAME" 473 continue 474 fi 475 476 # 477 # If `-X' is passed, delete the variables 478 # 479 if [ "$DELETE" = "2" ]; then 480 f_sysrc_delete "$NAME" 481 continue 482 fi 483 484 [ "$SYSRC_VERBOSE" ] && \ 485 echo -n "$( f_sysrc_find "$NAME" ): " 486 487 # 488 # If `-N' is passed, simplify the output 489 # 490 if [ ! "$SHOW_VALUE" ]; then 491 echo "$NAME" 492 continue 493 fi 494 495 echo "${SHOW_NAME:+$NAME$SEP}$( 496 f_sysrc_get "$NAME" )${SHOW_EQUALS:+\"}" 497 498 done 499 ) 500 501 # 502 # Ignore the remainder of positional arguments. 503 # 504 exit $SUCCESS 505fi 506 507# 508# Process command-line arguments 509# 510while [ $# -gt 0 ]; do 511 NAME="${1%%=*}" 512 513 [ "$DESCRIBE" ] && \ 514 echo "$NAME: $( f_sysrc_desc "$NAME" )" 515 516 case "$1" in 517 *=*) 518 # 519 # Like sysctl(8), if both `-d' AND "name=value" is passed, 520 # first describe, then attempt to set 521 # 522 523 if [ "$SYSRC_VERBOSE" ]; then 524 file=$( f_sysrc_find "$NAME" ) 525 [ "$file" = "$RC_DEFAULTS" -o ! "$file" ] && \ 526 file=$( f_sysrc_get 'rc_conf_files%%[$IFS]*' ) 527 echo -n "$file: " 528 fi 529 530 # 531 # If `-x' or `-X' is passed, delete the variable and ignore the 532 # desire to set some value 533 # 534 if [ "$DELETE" ]; then 535 f_sysrc_delete "$NAME" 536 shift 1 537 continue 538 fi 539 540 # 541 # If `-N' is passed, simplify the output 542 # 543 if [ ! "$SHOW_VALUE" ]; then 544 echo "$NAME" 545 f_sysrc_set "$NAME" "${1#*}" 546 else 547 if [ "$SHOW_FILE" ]; then 548 before=$( f_sysrc_find "$NAME" ) 549 else 550 before=$( f_sysrc_get "$NAME" ) 551 fi 552 if f_sysrc_set "$NAME" "${1#*=}"; then 553 if [ "$SHOW_FILE" ]; then 554 after=$( f_sysrc_find "$NAME" ) 555 echo -n "${SHOW_NAME:+$NAME$SEP}" 556 echo -n "$before${SHOW_EQUALS:+\"}" 557 echo " -> $after" 558 else 559 after=$( f_sysrc_get "$NAME" ) 560 echo -n "${SHOW_NAME:+$NAME$SEP}" 561 echo "$before -> $after" 562 fi 563 fi 564 fi 565 ;; 566 *) 567 if ! IGNORED="$( f_sysrc_get "$NAME?" )"; then 568 [ "$IGNORE_UNKNOWNS" ] \ 569 || echo "$pgm: unknown variable '$NAME'" 570 shift 1 571 continue 572 fi 573 574 # 575 # Like sysctl(8), when `-d' is passed, 576 # desribe it rather than expanding it 577 # 578 579 if [ "$DESCRIBE" ]; then 580 shift 1 581 continue 582 fi 583 584 # 585 # If `-x' or `-X' is passed, delete the variable 586 # 587 if [ "$DELETE" ]; then 588 f_sysrc_delete "$NAME" 589 shift 1 590 continue 591 fi 592 593 # 594 # If `-F' is passed, find it and move on 595 # 596 if [ "$SHOW_FILE" ]; then 597 [ "$SHOW_NAME" ] && echo -n "$NAME: " 598 f_sysrc_find "$NAME" 599 shift 1 600 continue 601 fi 602 603 [ "$SYSRC_VERBOSE" ] && \ 604 echo -n "$( f_sysrc_find "$NAME" ): " 605 606 # 607 # If `-N' is passed, simplify the output 608 # 609 if [ ! "$SHOW_VALUE" ]; then 610 echo "$NAME" 611 else 612 echo "${SHOW_NAME:+$NAME$SEP}$( 613 f_sysrc_get "$NAME" )${SHOW_EQUALS:+\"}" 614 fi 615 esac 616 shift 1 617done 618