d4ae33f072
+ Remove UNAME_P=$(...) from startup/misc -- already supplied by common.subr
+ Use f_getvar instead of $(eval echo \$$var) -- f_getvar is sub-shell free
+ Add `-e' and `-k var' options to f_eval_catch -- increasing use-cases
+ Use f_eval_catch to display errors on failure -- reducing duplicated code
+ Use f_eval_catch when we need output from a command -- improving debugging
+ Optimize f_isinter of strings.subr for performance -- now sub-shell free
+ Improve error checking on pidfiles -- using f_eval_catch and f_isinteger
+ Use $var_to_set arg of f_ifconfig_{inet,netmask} -- eliminate sub-shells
+ Use f_sprintf instead of $(printf ...) -- consolidate sub-shells
+ Use $var_to_set arg of f_route_get_default -- eliminate sub-shells
+ Add f_count to replace $(set -- ...;echo $#) -- eliminate sub-shells
+ Add f_count_ifs to replace $(IFS=x;set -- ...;echo $#) -- no sub-shells
+ Replace var="$var${var:+ }..." in loops with var="$var ..." with a follow-
up var="${var# }" to trim leading whitespace -- optimize loops
+ Use $var_to_set arg of f_resolv_conf_nameservers -- eliminate sub-shells
+ Comments for the f_eval_catch function
+ Remove a duplicate `local ... desc ...' in f_device_get_all of device.subr
+ Use $var_to_set arg of f_device_capacity -- eliminate sub-shells
+ Whitespace fixes in f_dialog_init of dialog.subr
+ Optimize f_inet_atoi of media/tcpip.subr for performance -- sub-shell free
+ In several cases, send stderr to /dev/null -- clean up runtime execution
+ Change f_err of common.subr to go to program stderr not terminal stderr,
allowing redirection of output from functions that use f_err
+ Disable debugging when using f_getvar to get variable argument to
f_startup_rcconf_map_expand of startup/rcconf.subr
+ Use f_replace_all instead of $(echo ... | tr | sed) -- performance
+ Add a $var_to_set option to f_index_{file,menusel_{command,keyword}} of
common.subr -- centralize sub-shells
134 lines
4.6 KiB
Plaintext
134 lines
4.6 KiB
Plaintext
if [ ! "$_NETWORKING_ROUTING_SUBR" ]; then _NETWORKING_ROUTING_SUBR=1
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#
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# Copyright (c) 2006-2013 Devin Teske
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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# SUCH DAMAGE.
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#
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# $FreeBSD$
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#
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############################################################ INCLUDES
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BSDCFG_SHARE="/usr/share/bsdconfig"
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. $BSDCFG_SHARE/common.subr || exit 1
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f_dprintf "%s: loading includes..." networking/routing.subr
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f_include $BSDCFG_SHARE/dialog.subr
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f_include $BSDCFG_SHARE/media/tcpip.subr
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f_include $BSDCFG_SHARE/networking/common.subr
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f_include $BSDCFG_SHARE/networking/ipaddr.subr
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f_include $BSDCFG_SHARE/strings.subr
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f_include $BSDCFG_SHARE/sysrc.subr
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BSDCFG_LIBE="/usr/libexec/bsdconfig" APP_DIR="120.networking"
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f_include_lang $BSDCFG_LIBE/$APP_DIR/include/messages.subr
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############################################################ FUNCTIONS
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# f_dialog_input_defaultrouter
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#
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# Edits the default router.
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#
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f_dialog_input_defaultrouter()
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{
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local funcname=f_dialog_input_defaultrouter
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#
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# Get the defaultrouter. When this is not configured, the default is
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# "NO", however we don't ever want to present this default to the user
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# in the following dialog. If the current value is "NO", then try to
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# obtain the value from the running system using route(8).
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#
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# NOTE: Our `f_route_get_default' function will return NULL if the
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# system does not have an active default router set (which is what we
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# want).
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#
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local defaultrouter="$( f_sysrc_get 'defaultrouter:-NO' )"
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local defaultrouter_orig="$defaultrouter" # for change-tracking
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case "$defaultrouter" in
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[Nn][Oo]) f_route_get_default defaultrouter ;;
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esac
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#
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# Return with-error when there are NFS-mounts currently active. If the
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# default router/gateway is changed while NFS-exported directories are
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# mounted, the system will hang.
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#
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if f_nfs_mounted && ! f_jailed; then
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local setting
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f_sprintf setting "$msg_current_default_router" \
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"$defaultrouter"
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f_noyes "$msg_nfs_mounts_may_cause_hang" "$setting" ||
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return $DIALOG_CANCEL
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fi
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#
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# Loop until the user provides taint-free input.
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#
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local retval
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while :; do
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f_dialog_input defaultrouter \
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"$msg_please_enter_default_router" \
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"$defaultrouter" "$hline_num_punc_tab_enter"
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retval=$?
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[ "$defaultrouter" ] || return $DIALOG_OK
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[ $retval -eq $DIALOG_OK ] || return $retval
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# Taint-check the user's input
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f_dialog_validate_ipaddr "$defaultrouter" && break
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done
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#
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# Save only if the user changed the default router/gateway.
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#
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if [ "$defaultrouter" != "$defaultrouter_orig" ]; then
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f_dialog_info "$msg_saving_default_router"
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# Save the default router/gateway
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f_eval_catch $funcname f_sysrc_set \
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'f_sysrc_set defaultrouter "%s"' "$defaultrouter"
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fi
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#
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# Only ask to apply setting if the current defaultrouter is different
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# than the stored configuration (in rc.conf(5)).
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#
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local dr
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f_route_get_default dr
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if [ "$dr" != "$defaultrouter" ]; then
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f_dialog_clear
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f_yesno "$msg_activate_default_router" "$dr" "$defaultrouter"
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if [ $? -eq $DIALOG_OK ]; then
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# Apply the default router/gateway
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f_eval_catch -d $funcname route 'route delete default'
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f_eval_catch $funcname route \
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'route add default "%s"' "$defaultrouter" ||
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return $DIALOG_CANCEL
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fi
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fi
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}
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############################################################ MAIN
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f_dprintf "%s: Successfully loaded." networking/routing.subr
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fi # ! $_NETWORKING_ROUTING_SUBR
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