fix modules: jsshDB: fix removal of unwanted characters from untrusted input

This commit is contained in:
Kay Marquardt (Gnadelwartz) 2021-03-18 11:50:44 +01:00
parent e60ada0bfe
commit f1ea49426b

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@ -5,7 +5,7 @@
# This file is public domain in the USA and all free countries.
# Elsewhere, consider it to be WTFPLv2. (wtfpl.net/txt/copying)
#
#### $$VERSION$$ v1.51-dev-3-g85f7c07
#### $$VERSION$$ v1.51-dev-4-ge60ada0
#
# source from commands.sh to use jsonDB functions
#
@ -355,10 +355,10 @@ function jssh_updateArray_async() {
# read JSON.sh style data and asssign to an ARRAY
# $1 ARRAY name, must be declared with "declare -A ARRAY" before calling
Json2Array() {
# match ["....."]\t and replace \t with = and print delete ` quote true false escape not escaped $
# shellcheck disable=SC1091,SC1090
# step 1: output only basic pattern
[ -z "$1" ] || source <( printf "$1"'=( %s )'\
"$(sed -E -n -e '/\["[-0-9a-zA-Z_,."]+"\]\+*\t/ s/\t/=/p' -e 's/[`´]//g' -e 's/=(true|false)/="\1"/' -e 's/([^\]|^)\$/\1\\$/g')" )
"$(sed -E -n -e 's/[`´]//g' -e 's/\t(true|false)/\t"\1"/' -e 's/([^\]|^)\$/\1\\$/g' -e '/\["[-0-9a-zA-Z_,."]+"\]\+*\t/ s/\t/=/p')" )
}
# get Config Key from jssh file without jsshDB
# output ARRAY as JSON.sh style data