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bol-van
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Feb 15, 2022
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,135 @@ | ||
| exists() | ||
| { | ||
| which "$1" >/dev/null 2>/dev/null | ||
| } | ||
| existf() | ||
| { | ||
| type "$1" >/dev/null 2>/dev/null | ||
| } | ||
| whichq() | ||
| { | ||
| which $1 2>/dev/null | ||
| } | ||
| exist_all() | ||
| { | ||
| while [ -n "$1" ]; do | ||
| exists "$1" || return 1 | ||
| shift | ||
| done | ||
| return 0 | ||
| } | ||
| on_off_function() | ||
| { | ||
| # $1 : function name on | ||
| # $2 : function name off | ||
| # $3 : 0 - off, 1 - on | ||
| local F="$1" | ||
| [ "$3" = "1" ] || F="$2" | ||
| shift | ||
| shift | ||
| shift | ||
| "$F" "$@" | ||
| } | ||
| contains() | ||
| { | ||
| # check if substring $2 contains in $1 | ||
| [ "${1#*$2}" != "$1" ] | ||
| } | ||
| find_str_in_list() | ||
| { | ||
| [ -n "$1" ] && { | ||
| for v in $2; do | ||
| [ "$v" = "$1" ] && return 0 | ||
| done | ||
| } | ||
| return 1 | ||
| } | ||
| end_with_newline() | ||
| { | ||
| local c=$(tail -c 1) | ||
| [ "$c" = "" ] | ||
| } | ||
| make_separator_list() | ||
| { | ||
| # $1 - var name to receive result | ||
| # $2 - separator | ||
| # $3,$4,... - elements | ||
| local var="$1" sep="$2" i | ||
|
|
||
| shift; shift | ||
| while [ -n "$1" ]; do | ||
| if [ -n "$i" ] ; then | ||
| i=$i$sep$1 | ||
| else | ||
| i=$1 | ||
| fi | ||
| shift | ||
| done | ||
| eval $var=$i | ||
| } | ||
| make_comma_list() | ||
| { | ||
| # $1 - var name to receive result | ||
| # $2,$3,... - elements | ||
| local var="$1" | ||
| shift | ||
| make_separator_list $var , "$@" | ||
| } | ||
|
|
||
| is_linked_to_busybox() | ||
| { | ||
| local IFS F P | ||
|
|
||
| IFS=: | ||
| for path in $PATH; do | ||
| F=$path/$1 | ||
| P="$(readlink $F)" | ||
| if [ -z "$P" ] && [ -x $F ] && [ ! -L $F ]; then return 1; fi | ||
| [ "${P%busybox*}" != "$P" ] && return | ||
| done | ||
| } | ||
| get_dir_inode() | ||
| { | ||
| local dir="$1" | ||
| [ -L "$dir" ] && dir=$(readlink "$dir") | ||
| ls -id "$dir" | awk '{print $1}' | ||
| } | ||
|
|
||
| linux_min_version() | ||
| { | ||
| # $1 - major ver | ||
| # $2 - minor ver | ||
| local V1=$(sed -nre 's/^Linux version ([0-9]+)\.[0-9]+.*$/\1/p' /proc/version) | ||
| local V2=$(sed -nre 's/^Linux version [0-9]+\.([0-9]+).*$/\1/p' /proc/version) | ||
| [ -n "$V1" -a -n "$V2" ] && [ "$V1" -gt "$1" -o "$V1" -eq "$1" -a "$V2" -ge "$2" ] | ||
| } | ||
| linux_get_subsys() | ||
| { | ||
| local INIT=$(sed 's/\x0/\n/g' /proc/1/cmdline | head -n 1) | ||
|
|
||
| [ -L "$INIT" ] && INIT=$(readlink "$INIT") | ||
| INIT=$(basename "$INIT") | ||
| if [ -f "/etc/openwrt_release" ] && [ "$INIT" = "procd" ] ; then | ||
| SUBSYS=openwrt | ||
| else | ||
| # generic linux | ||
| SUBSYS= | ||
| fi | ||
| } | ||
| openwrt_fw3() | ||
| { | ||
| [ ! -x /sbin/fw4 -a -x /sbin/fw3 ] | ||
| } | ||
| openwrt_fw4() | ||
| { | ||
| [ -x /sbin/fw4 ] | ||
| } | ||
| openwrt_fw3_integration() | ||
| { | ||
| [ "$FWTYPE" = iptables ] && openwrt_fw3 | ||
| } | ||
|
|
||
| create_dev_stdin() | ||
| { | ||
| [ -e /dev/stdin ] || ln -s /proc/self/fd/0 /dev/stdin | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,58 @@ | ||
| read_yes_no() | ||
| { | ||
| # $1 - default (Y/N) | ||
| local A | ||
| read A | ||
| [ -z "$A" ] || ([ "$A" != "Y" ] && [ "$A" != "y" ] && [ "$A" != "N" ] && [ "$A" != "n" ]) && A=$1 | ||
| [ "$A" = "Y" ] || [ "$A" = "y" ] || [ "$A" = "1" ] | ||
| } | ||
| ask_yes_no() | ||
| { | ||
| # $1 - default (Y/N or 0/1) | ||
| # $2 - text | ||
| local DEFAULT=$1 | ||
| [ "$1" = "1" ] && DEFAULT=Y | ||
| [ "$1" = "0" ] && DEFAULT=N | ||
| [ -z "$DEFAULT" ] && DEFAULT=N | ||
| printf "$2 (default : $DEFAULT) (Y/N) ? " | ||
| read_yes_no $DEFAULT | ||
| } | ||
| ask_yes_no_var() | ||
| { | ||
| # $1 - variable name for answer : 0/1 | ||
| # $2 - text | ||
| local DEFAULT | ||
| eval DEFAULT="\$$1" | ||
| if ask_yes_no "$DEFAULT" "$2"; then | ||
| eval $1=1 | ||
| else | ||
| eval $1=0 | ||
| fi | ||
| } | ||
| ask_list() | ||
| { | ||
| # $1 - mode var | ||
| # $2 - space separated value list | ||
| # $3 - (optional) default value | ||
| local M_DEFAULT | ||
| eval M_DEFAULT="\$$1" | ||
| local M_ALL=$M_DEFAULT | ||
| local M="" | ||
| local m | ||
|
|
||
| [ -n "$3" ] && { find_str_in_list "$M_DEFAULT" "$2" || M_DEFAULT="$3" ;} | ||
|
|
||
| n=1 | ||
| for m in $2; do | ||
| echo $n : $m | ||
| n=$(($n+1)) | ||
| done | ||
| printf "your choice (default : $M_DEFAULT) : " | ||
| read m | ||
| [ -n "$m" ] && M=$(echo $2 | cut -d ' ' -f$m 2>/dev/null) | ||
| [ -z "$M" ] && M="$M_DEFAULT" | ||
| echo selected : $M | ||
| eval $1="\"$M\"" | ||
|
|
||
| [ "$M" != "$M_OLD" ] | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,13 @@ | ||
| require_root() | ||
| { | ||
| local exe | ||
| echo \* checking privileges | ||
| [ $(id -u) -ne "0" ] && { | ||
| echo root is required | ||
| exe="$EXEDIR/$(basename "$0")" | ||
| exists sudo && exec sudo "$exe" | ||
| exists su && exec su root -c "$exe" | ||
| echo su or sudo not found | ||
| exitp 2 | ||
| } | ||
| } |
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