sysrc revision 241149
1134361Siedowse#!/bin/sh 2134361Siedowse#- 3134361Siedowse# Copyright (c) 2010-2012 Devin Teske 4134361Siedowse# All rights reserved. 5134361Siedowse# 6134361Siedowse# Redistribution and use in source and binary forms, with or without 7134361Siedowse# modification, are permitted provided that the following conditions 8134361Siedowse# are met: 9134361Siedowse# 1. Redistributions of source code must retain the above copyright 10134361Siedowse# notice, this list of conditions and the following disclaimer. 11134361Siedowse# 2. Redistributions in binary form must reproduce the above copyright 12134361Siedowse# notice, this list of conditions and the following disclaimer in the 13134361Siedowse# documentation and/or other materials provided with the distribution. 14134361Siedowse# 15134361Siedowse# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16134361Siedowse# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING BUT NOT LIMITED TO, THE 17134361Siedowse# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18134361Siedowse# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 19134361Siedowse# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20134361Siedowse# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21134361Siedowse# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22134361Siedowse# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23134361Siedowse# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24134361Siedowse# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25134361Siedowse# SUCH DAMAGE. 26134361Siedowse# 27134361Siedowse# $FreeBSD: head/usr.sbin/sysrc/sysrc 241149 2012-10-03 02:32:47Z dteske $ 28134361Siedowse# 29134361Siedowse############################################################ INCLUDES 30134361Siedowse 31134361SiedowseBSDCFG_SHARE="/usr/share/bsdconfig" 32134361Siedowse[ "$_COMMON_SUBR" ] || . $BSDCFG_SHARE/common.subr || exit 1 33134361Siedowse[ "$_SYSRC_SUBR" ] || f_include $BSDCFG_SHARE/sysrc.subr 34134361Siedowse 35134361Siedowse############################################################ CONFIGURATION 36134361Siedowse 37134361Siedowse# 38134361Siedowse# Default verbosity. 39134361Siedowse# 40134361Siedowse: ${SYSRC_VERBOSE:=} 41134361Siedowse 42134361Siedowse############################################################ GLOBALS 43134361Siedowse 44134361Siedowse# 45134361Siedowse# Options 46134361Siedowse# 47134361SiedowseDELETE= 48134361SiedowseDESCRIBE= 49134361SiedowseIGNORE_UNKNOWNS= 50134361SiedowseJAIL= 51134361SiedowseQUIET= 52134361SiedowseROOTDIR= 53134361SiedowseSHOW_ALL= 54134361SiedowseSHOW_EQUALS= 55134361SiedowseSHOW_FILE= 56134361SiedowseSHOW_NAME=1 57134361SiedowseSHOW_VALUE=1 58134361Siedowse 59134361Siedowse############################################################ FUNCTIONS 60134361Siedowse 61134361Siedowse# die [ $fmt [ $opts ... ]] 62134361Siedowse# 63134361Siedowse# Optionally print a message to stderr before exiting with failure status. 64134361Siedowse# 65134361Siedowsedie() 66134361Siedowse{ 67134361Siedowse local fmt="$1" 68134361Siedowse [ $# -gt 0 ] && shift 1 69134361Siedowse [ "$fmt" ] && f_err "$fmt\n" "$@" 70134361Siedowse 71134361Siedowse exit $FAILURE 72134361Siedowse} 73134361Siedowse 74134361Siedowse# usage 75134361Siedowse# 76134361Siedowse# Prints a short syntax statement and exits. 77134361Siedowse# 78134361Siedowseusage() 79134361Siedowse{ 80134361Siedowse f_err "Usage: %s [OPTIONS] name[=value] ...\n" "$pgm" 81134361Siedowse f_err "Try \`%s --help' for more information.\n" "$pgm" 82134361Siedowse die 83134361Siedowse} 84134361Siedowse 85134361Siedowse# help 86134361Siedowse# 87134361Siedowse# Prints a full syntax statement and exits. 88134361Siedowse# 89134361Siedowsehelp() 90134361Siedowse{ 91134361Siedowse local optfmt="\t%-11s%s\n" 92134361Siedowse local envfmt="\t%-17s%s\n" 93134361Siedowse 94134361Siedowse f_err "Usage: %s [OPTIONS] name[=value] ...\n" "$pgm" 95134361Siedowse 96134361Siedowse f_err "OPTIONS:\n" 97134361Siedowse f_err "$optfmt" "-a" \ 98134361Siedowse "Dump a list of all non-default configuration variables." 99134361Siedowse f_err "$optfmt" "-A" \ 100134361Siedowse "Dump a list of all configuration variables (incl. defaults)." 101134361Siedowse f_err "$optfmt" "-d" \ 102134361Siedowse "Print a description of the given variable." 103134361Siedowse f_err "$optfmt" "-D" \ 104134361Siedowse "Show default value(s) only (this is the same as setting" 105134361Siedowse f_err "$optfmt" "" \ 106134361Siedowse "RC_CONFS to NULL or passing \`-f' with a NULL file-argument)." 107134361Siedowse f_err "$optfmt" "-e" \ 108134361Siedowse "Print query results as \`var=value' (useful for producing" 109134361Siedowse f_err "$optfmt" "" \ 110134361Siedowse "output to be fed back in). Ignored if \`-n' is specified." 111134361Siedowse f_err "$optfmt" "-f file" \ 112134361Siedowse "Operate on the specified file(s) instead of rc_conf_files." 113134361Siedowse f_err "$optfmt" "" \ 114134361Siedowse "Can be specified multiple times for additional files." 115153504Smarcel f_err "$optfmt" "-F" \ 116134361Siedowse "Show only the last rc.conf(5) file each directive is in." 117134361Siedowse f_err "$optfmt" "-h" \ 118134361Siedowse "Print a short usage statement to stderr and exit." 119134361Siedowse f_err "$optfmt" "--help" \ 120134361Siedowse "Print this message to stderr and exit." 121134361Siedowse f_err "$optfmt" "-i" \ 122134361Siedowse "Ignore unknown variables." 123134361Siedowse f_err "$optfmt" "-j jail" \ 124134361Siedowse "The jid or name of the jail to operate within (overrides" 125134361Siedowse f_err "$optfmt" "" \ 126134361Siedowse "\`-R dir'; requires jexec(8))." 127134361Siedowse f_err "$optfmt" "-n" \ 128134361Siedowse "Show only variable values, not their names." 129134361Siedowse f_err "$optfmt" "-N" \ 130134361Siedowse "Show only variable names, not their values." 131134361Siedowse f_err "$optfmt" "-q" \ 132134361Siedowse "Quiet. Ignore previous \`-v' and/or SYSRC_VERBOSE." 133134361Siedowse f_err "$optfmt" "-R dir" \ 134134361Siedowse "Operate within the root directory \`dir' rather than \`/'." 135186826Sluigi f_err "$optfmt" "-v" \ 136134361Siedowse "Verbose. Print the pathname of the specific rc.conf(5)" 137134361Siedowse f_err "$optfmt" "" \ 138134361Siedowse "file where the directive was found." 139134361Siedowse f_err "$optfmt" "-x" \ 140134361Siedowse "Remove variable(s) from specified file(s)." 141134361Siedowse f_err "\n" 142134361Siedowse 143134361Siedowse f_err "ENVIRONMENT:\n" 144134361Siedowse f_err "$envfmt" "RC_CONFS" \ 145134361Siedowse "Override default rc_conf_files (even if set to NULL)." 146134361Siedowse f_err "$envfmt" "RC_DEFAULTS" \ 147134361Siedowse "Location of \`/etc/defaults/rc.conf' file." 148134361Siedowse f_err "$envfmt" "SYSRC_VERBOSE" \ 149134361Siedowse "Default verbosity. Set to non-NULL to enable." 150134361Siedowse 151134361Siedowse die 152134361Siedowse} 153134361Siedowse 154134361Siedowse# jail_depend 155134361Siedowse# 156134361Siedowse# Dump dependencies such as language-file variables and include files to stdout 157134361Siedowse# to be piped-into sh(1) running via jexec(8)/chroot(8). As a security measure, 158134361Siedowse# this prevents existing language files and library files from being loaded in 159134361Siedowse# the jail. This also relaxes the requirement to have these files in every jail 160134361Siedowse# before sysrc can be used on said jail. 161134361Siedowse# 162134361Siedowsejail_depend() 163134361Siedowse{ 164134361Siedowse # 165134361Siedowse # Indicate that we are jailed 166134361Siedowse # 167134361Siedowse echo export _SYSRC_JAILED=1 168134361Siedowse 169134361Siedowse # 170134361Siedowse # Print i18n language variables (their current values are sanitized 171134361Siedowse # and re-printed for interpretation so that the i18n language files 172134361Siedowse # do not need to exist within the jail). 173134361Siedowse # 174134361Siedowse local var val 175134361Siedowse for var in \ 176134361Siedowse msg_cannot_create_permission_denied \ 177134361Siedowse msg_permission_denied \ 178153504Smarcel msg_previous_syntax_errors \ 179134361Siedowse ; do 180134361Siedowse val=$( eval echo \"\$$var\" | 181134361Siedowse awk '{ gsub(/'\''/, "'\''\\'\'\''"); print }' ) 182186826Sluigi echo $var="'$val'" 183134361Siedowse done 184134361Siedowse 185134361Siedowse # 186134361Siedowse # Print include dependencies 187134361Siedowse # 188134361Siedowse cat $BSDCFG_SHARE/common.subr 189134361Siedowse cat $BSDCFG_SHARE/sysrc.subr 190134361Siedowse} 191134361Siedowse 192134361Siedowse############################################################ MAIN SOURCE 193134361Siedowse 194134361Siedowse# 195134361Siedowse# Perform sanity checks 196134361Siedowse# 197134361Siedowse[ $# -gt 0 ] || usage 198134361Siedowse 199134361Siedowse# 200134361Siedowse# Check for `--help' command-line option 201134361Siedowse# 202134361Siedowse( # Operate in sub-shell to protect $@ in parent 203134361Siedowse while [ $# -gt 0 ]; do 204134361Siedowse case "$1" in 205134361Siedowse --help) exit 1;; 206134361Siedowse -[fRj]) # These flags take an argument 207134361Siedowse shift 1;; 208134361Siedowse esac 209134361Siedowse shift 1 210134361Siedowse done 211134361Siedowse exit 0 212134361Siedowse) || help 213134361Siedowse 214134361Siedowse# 215134361Siedowse# Process command-line flags 216134361Siedowse# 217134361Siedowsewhile getopts aAdDef:Fhij:nNqR:vxX flag; do 218134361Siedowse case "$flag" in 219134361Siedowse a) SHOW_ALL=${SHOW_ALL:-1};; 220134361Siedowse A) SHOW_ALL=2;; 221134361Siedowse d) DESCRIBE=1;; 222134361Siedowse D) RC_CONFS=;; 223134361Siedowse e) SHOW_EQUALS=1;; 224134361Siedowse f) RC_CONFS="$RC_CONFS${RC_CONFS:+ }$OPTARG";; 225134361Siedowse F) SHOW_FILE=1;; 226134361Siedowse h) usage;; 227134361Siedowse i) IGNORE_UNKNOWNS=1;; 228134361Siedowse j) [ "$OPTARG" ] || die \ 229134361Siedowse "%s: Missing or null argument to \`-j' flag" "$pgm" 230134361Siedowse JAIL="$OPTARG";; 231134361Siedowse n) SHOW_NAME=;; 232134361Siedowse N) SHOW_VALUE=;; 233134361Siedowse q) QUIET=1 SYSRC_VERBOSE=;; 234134361Siedowse R) [ "$OPTARG" ] || die \ 235134361Siedowse "%s: Missing or null argument to \`-R' flag" "$pgm" 236134361Siedowse ROOTDIR="$OPTARG";; 237134361Siedowse v) SYSRC_VERBOSE=1 QUIET=;; 238134361Siedowse x) DELETE=${DELETE:-1};; 239134361Siedowse X) DELETE=2;; 240134361Siedowse \?) usage;; 241134361Siedowse esac 242134450Siedowsedone 243134361Siedowseshift $(( $OPTIND - 1 )) 244134450Siedowse 245134361Siedowse# 246134361Siedowse# [More] Sanity checks (e.g., "sysrc --") 247134361Siedowse# 248134361Siedowse[ $# -eq 0 -a ! "$SHOW_ALL" ] && usage 249134361Siedowse 250134361Siedowse# 251134361Siedowse# Taint-check all rc.conf(5) files 252134361Siedowse# 253134361Siedowseerrmsg="$pgm: Exiting due to previous syntax errors" 254134361Siedowseif ( : ${RC_CONFS?} ) > /dev/null 2>&1; then 255134361Siedowse ( for i in $RC_CONFS; do 256134450Siedowse [ -e "$i" ] || continue 257134361Siedowse /bin/sh -n "$i" || exit $FAILURE 258134361Siedowse done 259134361Siedowse exit $SUCCESS 260134361Siedowse ) || die "$errmsg" 261134361Siedowseelse 262134361Siedowse /bin/sh -n "$RC_DEFAULTS" || die "$errmsg" 263134361Siedowse ( . "$RC_DEFAULTS" 264134450Siedowse for i in $rc_conf_files; do 265134450Siedowse [ -e "$i" ] || continue 266134450Siedowse /bin/sh -n "$i" || exit $FAILURE 267134361Siedowse done 268134361Siedowse exit $SUCCESS 269134361Siedowse ) || die "$errmsg" 270134361Siedowsefi 271134361Siedowse 272134361Siedowse# 273134361Siedowse# Process `-x' (and secret `-X') command-line options 274134361Siedowse# 275134361Siedowseerrmsg="$pgm: \`-x' option incompatible with \`-a'/\`-A' options" 276134361Siedowseerrmsg="$errmsg (use \`-X' to override)" 277134361Siedowseif [ "$DELETE" -a "$SHOW_ALL" ]; then 278134361Siedowse [ "$DELETE" = "2" ] || die "$errmsg" 279134450Siedowsefi 280134450Siedowse 281134361Siedowse# 282134361Siedowse# Process `-e', `-n', and `-N' command-line options 283134361Siedowse# 284134361SiedowseSEP=': ' 285134361Siedowse[ "$SHOW_EQUALS" ] && SEP='="' 286134361Siedowse[ "$SHOW_NAME" ] || SHOW_EQUALS= 287134361Siedowse[ "$SYSRC_VERBOSE" = "0" ] && SYSRC_VERBOSE= 288134361Siedowseif [ ! "$SHOW_VALUE" ]; then 289134361Siedowse SHOW_NAME=1 290134450Siedowse SHOW_EQUALS= 291134450Siedowsefi 292134361Siedowse 293134361Siedowse# 294134361Siedowse# Process `-j jail' and `-R dir' command-line options 295134361Siedowse# 296134361Siedowseif [ "$JAIL" -o "$ROOTDIR" ]; then 297134361Siedowse # 298134361Siedowse # Reconstruct the arguments that we want to carry-over 299134361Siedowse # 300134361Siedowse args=" 301134361Siedowse ${SYSRC_VERBOSE:+-v} 302134361Siedowse ${QUIET:+-q} 303134361Siedowse $( [ "$DELETE" = "1" ] && echo \ -x ) 304134361Siedowse $( [ "$DELETE" = "2" ] && echo \ -X ) 305134361Siedowse $( [ "$SHOW_ALL" = "1" ] && echo \ -a ) 306134361Siedowse $( [ "$SHOW_ALL" = "2" ] && echo \ -A ) 307134361Siedowse ${DESCRIBE:+-d} 308134361Siedowse ${SHOW_EQUALS:+-e} 309134361Siedowse ${IGNORE_UNKNOWNS:+-i} 310134361Siedowse $( [ "$SHOW_NAME" ] || echo \ -n ) 311134361Siedowse $( [ "$SHOW_VALUE" ] || echo \ -N ) 312134361Siedowse $( [ "$SHOW_FILE" ] && echo \ -F ) 313134361Siedowse " 314134361Siedowse if ( : ${RC_CONFS?} ) > /dev/null 2>&1; then 315134361Siedowse args="$args -f '$RC_CONFS'" 316134361Siedowse fi 317134361Siedowse for arg in "$@"; do 318134361Siedowse args="$args '$arg'" 319134361Siedowse done 320134361Siedowse 321134361Siedowse # 322134361Siedowse # If both are supplied, `-j jail' supercedes `-R dir' 323134361Siedowse # 324134361Siedowse if [ "$JAIL" ]; then 325134361Siedowse # 326134361Siedowse # Re-execute ourselves with sh(1) via jexec(8) 327134361Siedowse # 328134361Siedowse ( echo set -- $args 329134361Siedowse jail_depend 330134361Siedowse cat $0 331134361Siedowse ) | env - RC_DEFAULTS="$RC_DEFAULTS" \ 332134361Siedowse /usr/sbin/jexec "$JAIL" /bin/sh 333134361Siedowse exit $? 334134361Siedowse elif [ "$ROOTDIR" ]; then 335134361Siedowse # 336134373Siedowse # Make sure that the root directory specified is not to any 337154251Sjasone # running jails. 338154251Sjasone # 339134361Siedowse # NOTE: To maintain backward compatibility with older jails on 340134361Siedowse # older systems, we will not perform this check if either the 341134361Siedowse # jls(1) or jexec(8) utilities are missing. 342134361Siedowse # 343134361Siedowse if f_have jexec && f_have jls; then 344134361Siedowse jid="`jls jid path | \ 345134361Siedowse ( 346251440Sdelphij while read JID JROOT; do 347134361Siedowse [ "$JROOT" = "$ROOTDIR" ] || continue 348134361Siedowse echo $JID 349134361Siedowse done 350134361Siedowse )`" 351134361Siedowse 352134361Siedowse # 353134361Siedowse # If multiple running jails match the specified root 354134361Siedowse # directory, exit with error. 355134361Siedowse # 356134361Siedowse if [ "$jid" -a "${jid%[$IFS]*}" != "$jid" ]; then 357134361Siedowse die "%s: %s: %s" "$pgm" "$ROOTDIR" \ 358134361Siedowse "$( echo "Multiple jails claim this" \ 359134361Siedowse "directory as their root." \ 360134361Siedowse "(use \`-j jail' instead)" )" 361134361Siedowse fi 362134361Siedowse 363134361Siedowse # 364134361Siedowse # If only a single running jail matches the specified 365134361Siedowse # root directory, implicitly use `-j jail'. 366134361Siedowse # 367134361Siedowse if [ "$jid" ]; then 368134361Siedowse # 369134361Siedowse # Re-execute outselves with sh(1) via jexec(8) 370134361Siedowse # 371134361Siedowse ( echo set -- $args 372134361Siedowse jail_depend 373134361Siedowse cat $0 374134361Siedowse ) | env - RC_DEFAULTS="$RC_DEFAULTS" \ 375134361Siedowse /usr/sbin/jexec "$jid" /bin/sh 376134361Siedowse exit $? 377134361Siedowse fi 378134361Siedowse 379134373Siedowse # Otherwise, fall through and allow chroot(8) 380134361Siedowse fi 381134361Siedowse 382134361Siedowse # 383134373Siedowse # Re-execute ourselves with sh(1) via chroot(8) 384134361Siedowse # 385134361Siedowse ( echo set -- $args 386134361Siedowse jail_depend 387134361Siedowse cat $0 388134361Siedowse ) | env - RC_DEFAULTS="$RC_DEFAULTS" \ 389134361Siedowse /usr/sbin/chroot "$ROOTDIR" /bin/sh 390134361Siedowse exit $? 391134361Siedowse fi 392134361Siedowsefi 393134361Siedowse 394134361Siedowse# 395134361Siedowse# Process `-a' or `-A' command-line options 396134361Siedowse# 397134361Siedowseif [ "$SHOW_ALL" ]; then 398134361Siedowse # 399134361Siedowse # Get a list of variables that are currently set in the rc.conf(5) 400134361Siedowse # files (included `/etc/defaults/rc.conf') by performing a call to 401134361Siedowse # source_rc_confs() in a clean environment. 402134361Siedowse # 403134361Siedowse ( # Operate in a sub-shell to protect the parent environment 404134361Siedowse # 405134361Siedowse # Set which variables we want to preserve in the environment. 406134361Siedowse # Append the pipe-character (|) to the list of internal field 407134361Siedowse # separation (IFS) characters, allowing us to use the below 408134361Siedowse # list both as an extended grep (-E) pattern and argument list 409134361Siedowse # (required to first get f_clean_env() to preserve these in the 410134361Siedowse # environment and then later to prune them from the list of 411134361Siedowse # variables produced by set(1)). 412134361Siedowse # 413134361Siedowse IFS="$IFS|" 414134361Siedowse EXCEPT="IFS|EXCEPT|PATH|RC_DEFAULTS|OPTIND|DESCRIBE|SEP" 415134361Siedowse EXCEPT="$EXCEPT|DELETE|SHOW_ALL|SHOW_EQUALS|SHOW_NAME" 416134361Siedowse EXCEPT="$EXCEPT|SHOW_VALUE|SHOW_FILE|SYSRC_VERBOSE|RC_CONFS" 417134361Siedowse EXCEPT="$EXCEPT|pgm|SUCCESS|FAILURE" 418134361Siedowse EXCEPT="$EXCEPT|f_sysrc_desc_awk|f_sysrc_delete_awk" 419134361Siedowse 420134361Siedowse # 421134361Siedowse # Clean the environment (except for our required variables) 422134361Siedowse # and then source the required files. 423134361Siedowse # 424134361Siedowse f_clean_env --except $EXCEPT 425134361Siedowse if [ -f "$RC_DEFAULTS" -a -r "$RC_DEFAULTS" ]; then 426134361Siedowse . "$RC_DEFAULTS" 427134361Siedowse 428134361Siedowse # 429134361Siedowse # If passed `-a' (rather than `-A'), re-purge the 430134361Siedowse # environment, removing the rc.conf(5) defaults. 431134361Siedowse # 432134361Siedowse [ "$SHOW_ALL" = "1" ] \ 433134361Siedowse && f_clean_env --except rc_conf_files $EXCEPT 434134361Siedowse 435134361Siedowse # 436134361Siedowse # If `-f file' was passed, set $rc_conf_files to an 437134361Siedowse # explicit value, modifying the default behavior of 438134361Siedowse # source_rc_confs(). 439134361Siedowse # 440134361Siedowse ( : ${RC_CONFS?} ) > /dev/null 2>&1 && 441134361Siedowse rc_conf_files="$RC_CONFS" 442134361Siedowse 443134361Siedowse source_rc_confs 444134361Siedowse 445134361Siedowse # 446134361Siedowse # If passed `-a' (rather than `-A'), remove 447134361Siedowse # `rc_conf_files' unless it was defined somewhere 448134361Siedowse # other than rc.conf(5) defaults. 449134361Siedowse # 450134361Siedowse [ "$SHOW_ALL" = "1" -a \ 451134361Siedowse "$( f_sysrc_find rc_conf_files )" = "$RC_DEFAULTS" \ 452134361Siedowse ] \ 453134361Siedowse && unset rc_conf_files 454134361Siedowse fi 455134361Siedowse 456134361Siedowse for NAME in $( set | 457134361Siedowse awk -F= '/^[[:alpha:]_][[:alnum:]_]*=/ {print $1}' | 458134361Siedowse grep -Ev "^($EXCEPT)$" 459134361Siedowse ); do 460134361Siedowse # 461134361Siedowse # If enabled, describe rather than expand value 462134361Siedowse # 463134361Siedowse if [ "$DESCRIBE" ]; then 464134361Siedowse echo "$NAME: $( f_sysrc_desc "$NAME" )" 465134361Siedowse continue 466134361Siedowse fi 467134361Siedowse 468134361Siedowse # 469154251Sjasone # If `-F' is passed, find it and move on 470134361Siedowse # 471134361Siedowse if [ "$SHOW_FILE" ]; then 472134361Siedowse [ "$SHOW_NAME" ] && echo -n "$NAME: " 473134361Siedowse f_sysrc_find "$NAME" 474134361Siedowse continue 475134361Siedowse fi 476154251Sjasone 477154251Sjasone # 478134361Siedowse # If `-X' is passed, delete the variables 479134361Siedowse # 480134361Siedowse if [ "$DELETE" = "2" ]; then 481134361Siedowse f_sysrc_delete "$NAME" 482134361Siedowse continue 483134361Siedowse fi 484134361Siedowse 485134361Siedowse [ "$SYSRC_VERBOSE" ] && \ 486134361Siedowse echo -n "$( f_sysrc_find "$NAME" ): " 487154251Sjasone 488154251Sjasone # 489134361Siedowse # If `-N' is passed, simplify the output 490134361Siedowse # 491134361Siedowse if [ ! "$SHOW_VALUE" ]; then 492134361Siedowse echo "$NAME" 493134361Siedowse continue 494134361Siedowse fi 495134361Siedowse 496134361Siedowse echo "${SHOW_NAME:+$NAME$SEP}$( 497134361Siedowse f_sysrc_get "$NAME" )${SHOW_EQUALS:+\"}" 498134361Siedowse 499134361Siedowse done 500134361Siedowse ) 501134361Siedowse 502134361Siedowse # 503134361Siedowse # Ignore the remainder of positional arguments. 504134361Siedowse # 505134361Siedowse exit $SUCCESS 506134361Siedowsefi 507134361Siedowse 508134361Siedowse# 509134361Siedowse# Process command-line arguments 510134361Siedowse# 511134361Siedowsewhile [ $# -gt 0 ]; do 512134361Siedowse NAME="${1%%=*}" 513134361Siedowse 514134361Siedowse [ "$DESCRIBE" ] && \ 515134361Siedowse echo "$NAME: $( f_sysrc_desc "$NAME" )" 516134361Siedowse 517134361Siedowse case "$1" in 518134361Siedowse *=*) 519134361Siedowse # 520134361Siedowse # Like sysctl(8), if both `-d' AND "name=value" is passed, 521134361Siedowse # first describe, then attempt to set 522134361Siedowse # 523134361Siedowse 524134361Siedowse if [ "$SYSRC_VERBOSE" ]; then 525134361Siedowse file=$( f_sysrc_find "$NAME" ) 526134361Siedowse [ "$file" = "$RC_DEFAULTS" -o ! "$file" ] && \ 527134361Siedowse file=$( f_sysrc_get 'rc_conf_files%%[$IFS]*' ) 528134361Siedowse echo -n "$file: " 529134361Siedowse fi 530134361Siedowse 531134361Siedowse # 532134361Siedowse # If `-x' or `-X' is passed, delete the variable and ignore the 533134361Siedowse # desire to set some value 534134361Siedowse # 535134361Siedowse if [ "$DELETE" ]; then 536134361Siedowse f_sysrc_delete "$NAME" 537134361Siedowse shift 1 538134361Siedowse continue 539134361Siedowse fi 540134361Siedowse 541134361Siedowse # 542134361Siedowse # If `-N' is passed, simplify the output 543134361Siedowse # 544134361Siedowse if [ ! "$SHOW_VALUE" ]; then 545134361Siedowse echo "$NAME" 546134361Siedowse f_sysrc_set "$NAME" "${1#*}" 547134361Siedowse else 548134361Siedowse if [ "$SHOW_FILE" ]; then 549134361Siedowse before=$( f_sysrc_find "$NAME" ) 550134361Siedowse else 551134361Siedowse before=$( f_sysrc_get "$NAME" ) 552134361Siedowse fi 553134361Siedowse if f_sysrc_set "$NAME" "${1#*=}"; then 554134361Siedowse if [ "$SHOW_FILE" ]; then 555134361Siedowse after=$( f_sysrc_find "$NAME" ) 556134361Siedowse echo -n "${SHOW_NAME:+$NAME$SEP}" 557134361Siedowse echo -n "$before${SHOW_EQUALS:+\"}" 558134361Siedowse echo " -> $after" 559134361Siedowse else 560134361Siedowse after=$( f_sysrc_get "$NAME" ) 561134361Siedowse echo -n "${SHOW_NAME:+$NAME$SEP}" 562134361Siedowse echo "$before -> $after" 563134361Siedowse fi 564134361Siedowse fi 565134361Siedowse fi 566134361Siedowse ;; 567134361Siedowse *) 568134361Siedowse if ! IGNORED="$( f_sysrc_get "$NAME?" )"; then 569134361Siedowse [ "$IGNORE_UNKNOWNS" ] \ 570134361Siedowse || echo "$pgm: unknown variable '$NAME'" 571134361Siedowse shift 1 572134361Siedowse continue 573134361Siedowse fi 574134361Siedowse 575134361Siedowse # 576134361Siedowse # Like sysctl(8), when `-d' is passed, 577134361Siedowse # desribe it rather than expanding it 578134361Siedowse # 579134361Siedowse 580134361Siedowse if [ "$DESCRIBE" ]; then 581134361Siedowse shift 1 582134361Siedowse continue 583134361Siedowse fi 584134361Siedowse 585134361Siedowse # 586134361Siedowse # If `-x' or `-X' is passed, delete the variable 587134361Siedowse # 588134361Siedowse if [ "$DELETE" ]; then 589134361Siedowse f_sysrc_delete "$NAME" 590134361Siedowse shift 1 591134361Siedowse continue 592134361Siedowse fi 593134361Siedowse 594134361Siedowse # 595134361Siedowse # If `-F' is passed, find it and move on 596134361Siedowse # 597134361Siedowse if [ "$SHOW_FILE" ]; then 598134361Siedowse [ "$SHOW_NAME" ] && echo -n "$NAME: " 599134361Siedowse f_sysrc_find "$NAME" 600134361Siedowse shift 1 601134361Siedowse continue 602134361Siedowse fi 603134361Siedowse 604134361Siedowse [ "$SYSRC_VERBOSE" ] && \ 605134361Siedowse echo -n "$( f_sysrc_find "$NAME" ): " 606134361Siedowse 607 # 608 # If `-N' is passed, simplify the output 609 # 610 if [ ! "$SHOW_VALUE" ]; then 611 echo "$NAME" 612 else 613 echo "${SHOW_NAME:+$NAME$SEP}$( 614 f_sysrc_get "$NAME" )${SHOW_EQUALS:+\"}" 615 fi 616 esac 617 shift 1 618done 619