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kiss: sanitize tmp directory paths

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Ensures that // (and //////) don't occur within the temporary
directory paths.
This commit is contained in:
Dylan Araps 2021-06-29 09:14:53 +00:00
parent f5038e1579
commit 0a9a1f2f54
1 changed files with 34 additions and 22 deletions
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@ -1643,6 +1643,39 @@ args() {
fi
}
create_tmp_dirs() {
# Root directory.
KISS_ROOT=${KISS_ROOT%"${KISS_ROOT##*[!/]}"}
# This allows for automatic setup of a KISS chroot and will
# do nothing on a normal system.
mkdir -p "$KISS_ROOT/" 2>/dev/null ||:
# System package database.
sys_db=$KISS_ROOT/${pkg_db:=var/db/kiss/installed}
# Top-level cache directory.
cac_dir=${XDG_CACHE_HOME:-"${HOME%"${HOME##*[!/]}"}/.cache"}
cac_dir=${cac_dir%"${cac_dir##*[!/]}"}/kiss
# Persistent cache directories.
src_dir=$cac_dir/sources
log_dir=$cac_dir/logs/${time%-*}
bin_dir=$cac_dir/bin
# Top-level Temporary cache directory.
tmp_dir=${KISS_TMPDIR:="$cac_dir/proc"}
tmp_dir=${tmp_dir%"${tmp_dir##*[!/]}"}/kiss
# Temporary cache directories.
mak_dir=$tmp_dir/build
pkg_dir=$tmp_dir/pkg
tar_dir=$tmp_dir/extract
mkdir -p "$src_dir" "$log_dir" "$bin_dir" \
"$mak_dir" "$pkg_dir" "$tar_dir"
}
main() {
# Globally disable globbing and enable exit-on-error.
set -ef
@ -1685,28 +1718,7 @@ main() {
# This is used enough to warrant a place here.
uid=$(id -u)
# Ensure that the KISS_ROOT doesn't end with a '/'.
KISS_ROOT=${KISS_ROOT%"${KISS_ROOT##*[!/]}"}
# Define some paths which we will then use throughout the script.
sys_db=$KISS_ROOT/${pkg_db:=var/db/kiss/installed}
# This allows for automatic setup of a KISS chroot and will
# do nothing on a normal system.
mkdir -p "$KISS_ROOT/" 2>/dev/null ||:
# Create the required temporary directories and set the variables which
# point to them.
mkdir -p \
"${cac_dir:="${XDG_CACHE_HOME:-"${HOME:?HOME is null}/.cache"}/kiss"}" \
"${src_dir:="$cac_dir/sources"}" \
"${log_dir:="$cac_dir/logs/${date%-*}"}" \
"${bin_dir:="$cac_dir/bin"}" \
"${tmp_dir:="${KISS_TMPDIR:="$cac_dir/proc"}/$pid"}" \
"${mak_dir:="$tmp_dir/build"}" \
"${pkg_dir:="$tmp_dir/pkg"}" \
"${tar_dir:="$tmp_dir/extract"}"
create_tmp_dirs
args "$@"
}