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Merge branch '3570_xorriso_slow'

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* 3570_xorriso_slow:
  extfs: add test data for the iso9660 extfs helper (xorriso part)
  extfs: modify the iso9660 extfs helper to support testing (xorriso part)
  Ticket #3570: reimplement xorriso part of iso9660 listing.
This commit is contained in:
Andrew Borodin 2024-05-18 19:47:31 +03:00
commit 49e2535c07
6 changed files with 203 additions and 15 deletions
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95
src/vfs/extfs/helpers/iso9660.in
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@ -11,6 +11,7 @@
# Kachalov Anton <mouse@linux.ru.net>, 2003
# Victor Ananjevsky <ananasik@gmail.com>, 2013
# slava zanko <slavazanko@gmail.com>, 2013
# slowpeek <slowpeek@users.noreply.github.com>, 2024
#
# This file is part of the Midnight Commander.
#
@ -33,27 +34,77 @@
XORRISO=$(which xorriso 2>/dev/null)
# This snippet is used to undo xorriso's Text_shellsafe(). Pseudocode for the
# function:
#
# Text_shellsafe( s) {
# return q(') replace(q('), q('"'"'), s) q(')
# }
#
# Xorriso_ls() uses two formats for pathes:
# - generic: Text_shellsafe(path)
# - symlink: Text_shellsafe(link) q( -> ) Text_shellsafe(target)
#
# References in xorriso sources:
# - iso_tree.c:Xorriso_ls()
# - text_io.c:Xorriso_esc_filepath()
# - misc_funct.c:Text_shellsafe()
awk_xorriso_unesc=$(cat <<'EOF'
{
# Start of the path part
i = index($0, "'")
s = substr($0, i)
# The path part with the wrapping quotes removed
s = substr(s, 2, length(s)-2)
if (substr($0, 1, 1) == "l") {
s1=s
if (gsub("->", "", s1) > 1) {
# Ambiguity: either the link or its target contains q(->) in
# addition to the link/target delimiter
next
}
j = index(s, "' -> '")
# link -> target with the wrapping quotes removed from both
s = substr(s, 1, j-1) " -> " substr(s, j+6)
} else if (index(s, "->")) {
# Ambiguity: not a symlink, but there is q(->)
next
}
gsub("'\"'\"'", "'", s)
print substr($0, 1, i-1) s
}
EOF
)
xorriso_list() {
if test -z "$XORRISO"; then
return 1
fi
local dir attr ln usr gr sz dt1 dt2 dt3 nm len name lsl r
dir="${2:-/}"
lsl=$( $XORRISO -abort_on FATAL -dev stdio:"$1" -cd "$dir" -lsl 2> /dev/null )
r=$?
test $r -gt 0 && return $r
echo "$lsl" | grep "^[-d]" | \
while read attr ln usr gr sz dt1 dt2 dt3 nm ; do
len=$((${#nm} - 1))
name=$(printf -- "$nm" | cut -c2-$len) # remove quotes
local temp_ls
temp_ls=$(mktemp "${MC_TMPDIR:-/tmp}"/mc-iso9660.XXXXXX) || return 1
if test $(printf -- "$attr" | cut -c1-1) != "d"; then
printf -- "%s %s %s %s %s %s %s %s %s/%s\n" "$attr" "$ln" "$usr" "$gr" "$sz" "$dt1" "$dt2" "$dt3" "$dir" "$name"
else
xorriso_list "$1" "$dir/$name"
fi
done
# $XORRISO must be unquoted here to hook into the testing framework
$XORRISO -abort_on FATAL -dev stdio:"$1" -find / -exec lsdl 2>/dev/null >"$temp_ls"
local r=$?
if [ "$r" != 0 ]; then
rm -f "$temp_ls"
return "$r"
fi
# The first line is /, skip it
tail -n+2 "$temp_ls" |
# disk_ops.c:Xorriso_format_ls_l() prints the boot catalog file as of
# type "e". Make it a generic file
sed -E 's,^e,-,' |
@AWK@ "$awk_xorriso_unesc"
rm -f "$temp_ls"
}
xorriso_copyout() {
@ -195,6 +246,20 @@ shift
case "$cmd" in
list)
if [ -n "${MC_TEST_EXTFS_LIST_CMD:-}" ]; then
case "${MC_TEST_EXTFS_ISO9660_TOOL}" in
xorriso)
XORRISO="$MC_TEST_EXTFS_LIST_CMD"
xorriso_list "$@" || exit 1
;;
*)
exit 1
;;
esac
exit 0
fi
xorriso_list "$@" || {
test_iso "$@" || exit 1
mcisofs_list "$@" || exit 1

4
tests/src/vfs/extfs/helpers-list/Makefile.am
View File

@ -32,6 +32,10 @@ data_files_to_distribute = \
data/hp48+.args \
data/hp48+.input \
data/hp48+.output \
data/iso9660.xorriso.env_vars \
data/iso9660.xorriso.input \
data/iso9660.xorriso.output \
data/iso9660.xorriso.README \
data/lslR.1.spaces.args \
data/lslR.1.spaces.input \
data/lslR.1.spaces.output \

49
tests/src/vfs/extfs/helpers-list/data/iso9660.xorriso.README Normal file
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@ -0,0 +1,49 @@
Sample iso image was created from alpine-standard-3.19.0-x86_64.iso with such
script:
#!/usr/bin/env bash
if ! test -d links; then
mkdir "$_"
cd "$_"
touch no-quotes "inner'quote" "'side-quotes'"
ln -s no-quotes no-quotes-link
ln -s no-quotes "inner'quote-link-nq"
ln -s no-quotes "'side-quotes-link-nq'"
ln -s "inner'quote" "inner'quote-link-iq"
ln -s "inner'quote" "'side-quotes-link-iq'"
ln -s "'side-quotes'" "inner'quote-link-sq"
ln -s "'side-quotes'" "'side-quotes-link-sq'"
cd -
fi
args=(
-indev alpine-standard-3.19.0-x86_64.iso
-outdev sample.iso
-boot_image any replay
-joliet on
-rm_r /apks --
-cpr links / --
-chown_r 0 /links --
-chgrp_r 0 /links --
)
xorriso "${args[@]}"
Features:
- boot catalog file
- subdirs
- files with q(') included
- links with q(') included (name, target, both)
The quoted stuff is here because xorriso wraps pathes in single quotes and
escapes internal quotes, all with misc_funct.c:Text_shellsafe(). We revert it
back in the helper code.
Sample input was generated like this:
xorriso -dev sample.iso -find / -exec lsdl 2>/dev/null

1
tests/src/vfs/extfs/helpers-list/data/iso9660.xorriso.env_vars Normal file
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@ -0,0 +1 @@
MC_TEST_EXTFS_ISO9660_TOOL=xorriso

35
tests/src/vfs/extfs/helpers-list/data/iso9660.xorriso.input Normal file
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@ -0,0 +1,35 @@
dr-xr-xr-x 1 0 0 0 Dec 7 11:48 '/'
-r--r--r-- 1 0 0 30 Dec 7 11:48 '/.alpine-release'
dr-xr-xr-x 1 0 0 0 Dec 7 11:48 '/boot'
-r--r--r-- 1 0 0 5751847 Dec 7 11:48 '/boot/System.map-lts'
-r--r--r-- 1 0 0 261013 Dec 7 11:48 '/boot/config-lts'
dr-xr-xr-x 1 0 0 0 Dec 7 11:48 '/boot/dtbs-lts'
dr-xr-xr-x 1 0 0 0 Dec 7 11:48 '/boot/grub'
-r--r--r-- 1 0 0 1474560 Dec 4 23:01 '/boot/grub/efi.img'
-r--r--r-- 1 0 0 140 Dec 7 11:48 '/boot/grub/grub.cfg'
-r--r--r-- 1 0 0 20486095 Dec 7 11:48 '/boot/initramfs-lts'
-r--r--r-- 1 0 0 160346112 Dec 7 11:48 '/boot/modloop-lts'
dr-xr-xr-x 1 0 0 0 Dec 7 11:48 '/boot/syslinux'
er--r--r-- 1 0 0 2048 Dec 4 23:01 '/boot/syslinux/boot.cat'
-r--r--r-- 1 0 0 432 May 16 2023 '/boot/syslinux/isohdpfx.bin'
-r--r--r-- 1 0 0 43008 May 16 2023 '/boot/syslinux/isolinux.bin'
-r--r--r-- 1 0 0 115468 May 16 2023 '/boot/syslinux/ldlinux.c32'
-r--r--r-- 1 0 0 178532 May 16 2023 '/boot/syslinux/libcom32.c32'
-r--r--r-- 1 0 0 23636 May 16 2023 '/boot/syslinux/libutil.c32'
-r--r--r-- 1 0 0 11712 May 16 2023 '/boot/syslinux/mboot.c32'
-r--r--r-- 1 0 0 193 Dec 7 11:48 '/boot/syslinux/syslinux.cfg'
-r--r--r-- 1 0 0 11879168 Dec 7 11:48 '/boot/vmlinuz-lts'
dr-xr-xr-x 1 0 0 0 Dec 7 11:48 '/efi'
dr-xr-xr-x 1 0 0 0 Dec 7 11:48 '/efi/boot'
-r--r--r-- 1 0 0 688128 Dec 7 11:48 '/efi/boot/bootx64.efi'
drwxr-xr-x 1 0 0 0 May 7 01:28 '/links'
-rw-r--r-- 1 0 0 0 May 7 01:28 '/links/'"'"'side-quotes'"'"''
lrwxrwxrwx 1 0 0 0 May 7 01:28 '/links/'"'"'side-quotes-link-iq'"'"'' -> 'inner'"'"'quote'
lrwxrwxrwx 1 0 0 0 May 7 01:28 '/links/'"'"'side-quotes-link-nq'"'"'' -> 'no-quotes'
lrwxrwxrwx 1 0 0 0 May 7 01:28 '/links/'"'"'side-quotes-link-sq'"'"'' -> ''"'"'side-quotes'"'"''
-rw-r--r-- 1 0 0 0 May 7 01:28 '/links/inner'"'"'quote'
lrwxrwxrwx 1 0 0 0 May 7 01:28 '/links/inner'"'"'quote-link-iq' -> 'inner'"'"'quote'
lrwxrwxrwx 1 0 0 0 May 7 01:28 '/links/inner'"'"'quote-link-nq' -> 'no-quotes'
lrwxrwxrwx 1 0 0 0 May 7 01:28 '/links/inner'"'"'quote-link-sq' -> ''"'"'side-quotes'"'"''
-rw-r--r-- 1 0 0 0 May 7 01:28 '/links/no-quotes'
lrwxrwxrwx 1 0 0 0 May 7 01:28 '/links/no-quotes-link' -> 'no-quotes'

34
tests/src/vfs/extfs/helpers-list/data/iso9660.xorriso.output Normal file
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@ -0,0 +1,34 @@
-r--r--r-- 1 0 0 30 2023-12-07 11:48:00 /.alpine-release
dr-xr-xr-x 1 0 0 0 2023-12-07 11:48:00 /boot
-r--r--r-- 1 0 0 5751847 2023-12-07 11:48:00 /boot/System.map-lts
-r--r--r-- 1 0 0 261013 2023-12-07 11:48:00 /boot/config-lts
dr-xr-xr-x 1 0 0 0 2023-12-07 11:48:00 /boot/dtbs-lts
dr-xr-xr-x 1 0 0 0 2023-12-07 11:48:00 /boot/grub
-r--r--r-- 1 0 0 1474560 2023-12-04 23:01:00 /boot/grub/efi.img
-r--r--r-- 1 0 0 140 2023-12-07 11:48:00 /boot/grub/grub.cfg
-r--r--r-- 1 0 0 20486095 2023-12-07 11:48:00 /boot/initramfs-lts
-r--r--r-- 1 0 0 160346112 2023-12-07 11:48:00 /boot/modloop-lts
dr-xr-xr-x 1 0 0 0 2023-12-07 11:48:00 /boot/syslinux
-r--r--r-- 1 0 0 2048 2023-12-04 23:01:00 /boot/syslinux/boot.cat
-r--r--r-- 1 0 0 432 2023-05-16 00:00:00 /boot/syslinux/isohdpfx.bin
-r--r--r-- 1 0 0 43008 2023-05-16 00:00:00 /boot/syslinux/isolinux.bin
-r--r--r-- 1 0 0 115468 2023-05-16 00:00:00 /boot/syslinux/ldlinux.c32
-r--r--r-- 1 0 0 178532 2023-05-16 00:00:00 /boot/syslinux/libcom32.c32
-r--r--r-- 1 0 0 23636 2023-05-16 00:00:00 /boot/syslinux/libutil.c32
-r--r--r-- 1 0 0 11712 2023-05-16 00:00:00 /boot/syslinux/mboot.c32
-r--r--r-- 1 0 0 193 2023-12-07 11:48:00 /boot/syslinux/syslinux.cfg
-r--r--r-- 1 0 0 11879168 2023-12-07 11:48:00 /boot/vmlinuz-lts
dr-xr-xr-x 1 0 0 0 2023-12-07 11:48:00 /efi
dr-xr-xr-x 1 0 0 0 2023-12-07 11:48:00 /efi/boot
-r--r--r-- 1 0 0 688128 2023-12-07 11:48:00 /efi/boot/bootx64.efi
drwxr-xr-x 1 0 0 0 2024-05-07 01:28:00 /links
-rw-r--r-- 1 0 0 0 2024-05-07 01:28:00 /links/'side-quotes'
lrwxrwxrwx 1 0 0 0 2024-05-07 01:28:00 /links/'side-quotes-link-iq' -> inner'quote
lrwxrwxrwx 1 0 0 0 2024-05-07 01:28:00 /links/'side-quotes-link-nq' -> no-quotes
lrwxrwxrwx 1 0 0 0 2024-05-07 01:28:00 /links/'side-quotes-link-sq' -> 'side-quotes'
-rw-r--r-- 1 0 0 0 2024-05-07 01:28:00 /links/inner'quote
lrwxrwxrwx 1 0 0 0 2024-05-07 01:28:00 /links/inner'quote-link-iq -> inner'quote
lrwxrwxrwx 1 0 0 0 2024-05-07 01:28:00 /links/inner'quote-link-nq -> no-quotes
lrwxrwxrwx 1 0 0 0 2024-05-07 01:28:00 /links/inner'quote-link-sq -> 'side-quotes'
-rw-r--r-- 1 0 0 0 2024-05-07 01:28:00 /links/no-quotes
lrwxrwxrwx 1 0 0 0 2024-05-07 01:28:00 /links/no-quotes-link -> no-quotes