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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 15:49:25 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 15:49:25 +0000 |
commit | 464df1d5e5ab1322e2dd0a7796939fff1aeefa9a (patch) | |
tree | 6a403684e0978f0287d7f0ec0e5aab1fd31a59e1 /tests/f_badsymlinks2/mkimage.sh | |
parent | Initial commit. (diff) | |
download | e2fsprogs-464df1d5e5ab1322e2dd0a7796939fff1aeefa9a.tar.xz e2fsprogs-464df1d5e5ab1322e2dd0a7796939fff1aeefa9a.zip |
Adding upstream version 1.47.0.upstream/1.47.0upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/f_badsymlinks2/mkimage.sh')
-rwxr-xr-x | tests/f_badsymlinks2/mkimage.sh | 127 |
1 files changed, 127 insertions, 0 deletions
diff --git a/tests/f_badsymlinks2/mkimage.sh b/tests/f_badsymlinks2/mkimage.sh new file mode 100755 index 0000000..6bbf020 --- /dev/null +++ b/tests/f_badsymlinks2/mkimage.sh @@ -0,0 +1,127 @@ +#!/bin/bash + +# This is the script that was used to create the image.gz in this directory. + +set -e -u + +BLOCKSIZE=4096 + +do_debugfs() { + umount mnt + debugfs -w "$@" image + mount image mnt +} + +do_tune2fs() { + umount mnt + tune2fs $@ image + mount image mnt +} + +symlink() { + local len=$1 + local src=$2 + local target=$(perl -e 'print "A" x '$len) + ln -s $target $src + stat -c %i $src +} + +# Overwrite the length in the header of the encrypted symlink target +set_encrypted_symlink_len() { + local ino=$1 + local len=$2 + + echo "zap_block -f <$ino> -p $((len%256)) -o 0 -l 1 0" + echo "zap_block -f <$ino> -p $((len/256)) -o 1 -l 1 0" +} + +create_symlinks() { + local dir=$1 + local encrypted=${2:-false} + local overhead=0 + local ino + + if $encrypted; then + overhead=2 + fi + + mkdir -p $dir + + { + ino=$(symlink 1 $dir/empty) + echo "set_inode_field <$ino> i_size 10" + echo "set_inode_field <$ino> block[0] 0" + + symlink 1 $dir/fast_min > /dev/null + + ino=$(symlink 10 $dir/fast_isize_too_small) + echo "set_inode_field <$ino> i_size 1" + + ino=$(symlink 10 $dir/fast_isize_too_large) + echo "set_inode_field <$ino> i_size 20" + + symlink $((59 - overhead)) $dir/fast_max > /dev/null + + symlink $((60 - overhead)) $dir/slow_min > /dev/null + + ino=$(symlink 100 $dir/slow_isize_too_small) + echo "set_inode_field <$ino> i_size 80" + + ino=$(symlink 100 $dir/slow_isize_too_large) + echo "set_inode_field <$ino> i_size 120" + + symlink $((BLOCKSIZE - 1 - overhead)) $dir/slow_max > /dev/null + + ino=$(symlink $((BLOCKSIZE - 1 - overhead)) $dir/one_too_long) + echo "set_inode_field <$ino> i_size $BLOCKSIZE" + echo "zap_block -f <$ino> -p 65 0" + if $encrypted; then + set_encrypted_symlink_len $ino $((BLOCKSIZE - overhead)) + fi + + ino=$(symlink $((BLOCKSIZE - 1 - overhead)) $dir/too_long) + echo "set_inode_field <$ino> i_size $((BLOCKSIZE + 1000))" + echo "zap_block -f <$ino> -p 65 0" + if $encrypted; then + set_encrypted_symlink_len $ino $((BLOCKSIZE + 1000 - overhead)) + fi + + } >> debugfs_commands + do_debugfs < debugfs_commands +} + +create_encrypted_symlinks() { + local dir=$1 link + + mkdir $dir + echo | e4crypt add_key $dir + create_symlinks $dir true + + # Move symlinks into an unencrypted directory (leaving their targets + # encrypted). This makes the fsck output consistent. + mv $dir ${dir}~encrypted + mkdir $dir + mv ${dir}~encrypted/* $dir +} + +mkdir -p mnt +umount mnt &> /dev/null || true +dd if=/dev/zero of=image bs=1024 count=600 + +mke2fs -O 'encrypt,^extents,^64bit' -b $BLOCKSIZE -I 256 image +mount image mnt + +create_symlinks mnt/default +create_encrypted_symlinks mnt/encrypted + +do_tune2fs -O extents +create_symlinks mnt/extents +create_encrypted_symlinks mnt/extents_encrypted + +do_debugfs -R 'feature inline_data' +create_symlinks mnt/inline_data + +rm -rf debugfs_commands mnt/*~encrypted +umount mnt +rmdir mnt +gzip -9 -f image |