Commit 3b5433d6 authored by ssrq's avatar ssrq

[__directory] stat explorer patch for systems without stat(1)

Some embedded systems (like OpenWrt) do not ship a stat(1) binary.
This workaround parses the output of ls(1) and /etc/passwd, /etc/group to
gather the information needed.
parent e82dd358
#!/bin/sh #!/bin/sh
# #
# 2013 Steven Armstrong (steven-cdist armstrong.cc) # 2013 Steven Armstrong (steven-cdist armstrong.cc)
# 2020 Dennis Camera (dennis.camera at ssrq-sds-fds.ch)
# #
# This file is part of cdist. # This file is part of cdist.
# #
...@@ -20,24 +21,43 @@ ...@@ -20,24 +21,43 @@
destination="/$__object_id" destination="/$__object_id"
fallback() {
# Patch the output together, manually
ls_line=$(ls -ldn "$destination")
uid=$(echo "$ls_line" | awk '{ print $3 }')
gid=$(echo "$ls_line" | awk '{ print $4 }')
owner=$(awk -F: -v uid="$uid" '$3 == uid { print $1; f=1 } END { if (!f) print "UNKNOWN" }' /etc/passwd)
group=$(awk -F: -v uid="$uid" '$3 == uid { print $1; f=1 } END { if (!f) print "UNKNOWN" }' /etc/group)
mode_text=$(echo "$ls_line" | awk '{ print $1 }')
mode=$(echo "$mode_text" | awk '{ k=0; for (i=0; i<=8; i++) k += ((substr($1, i+2, 1) ~ /[rwx]/) * 2^(8-i)); printf("%0o", k) }')
printf 'type: %s\nowner: %d %s\ngroup: %d %s\nmode: %s %s\n' \
"$("$__type_explorer/type")" \
"$uid" "$owner" \
"$gid" "$group" \
"$mode" "$mode_text"
}
# nothing to work with, nothing we could do # nothing to work with, nothing we could do
[ -e "$destination" ] || exit 0 [ -e "$destination" ] || exit 0
os=$("$__explorer/os") if ! command -v stat >/dev/null
case "$os" in then
fallback
exit
fi
case $("$__explorer/os") in
"freebsd"|"netbsd"|"openbsd"|"macosx") "freebsd"|"netbsd"|"openbsd"|"macosx")
stat -f "type: %HT stat -f "type: %HT
owner: %Du %Su owner: %Du %Su
group: %Dg %Sg group: %Dg %Sg
mode: %Lp %Sp mode: %Lp %Sp
" "$destination" | awk '/^type/ { print tolower($0); next; } { print; }' " "$destination" | awk '/^type/ { print tolower($0); next } { print }'
;;
alpine)
stat -c "type: %F
owner: %u %U
group: %g %G
mode: %a %A
" "$destination"
;; ;;
solaris) solaris)
ls1="$( ls -ld "$destination" )" ls1="$( ls -ld "$destination" )"
...@@ -69,10 +89,12 @@ mode: %a %A ...@@ -69,10 +89,12 @@ mode: %a %A
echo "mode: $octets $( echo "$ls1" | awk '{print $1}' )" echo "mode: $octets $( echo "$ls1" | awk '{print $1}' )"
;; ;;
*) *)
stat --printf="type: %F # NOTE: Do not use --printf here as it is not supported by BusyBox stat.
# NOTE: BusyBox's stat might not support the "-c" option, in which case
# we fall through to the shell fallback.
stat -c "type: %F
owner: %u %U owner: %u %U
group: %g %G group: %g %G
mode: %a %A mode: %a %A" "$destination" 2>/dev/null || fallback
" "$destination"
;; ;;
esac esac
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