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-rwxr-xr-xtests/generators/generate-luks2-metadata-size-64k-secondary.img.sh64
1 files changed, 64 insertions, 0 deletions
diff --git a/tests/generators/generate-luks2-metadata-size-64k-secondary.img.sh b/tests/generators/generate-luks2-metadata-size-64k-secondary.img.sh
new file mode 100755
index 0000000..9635ab7
--- /dev/null
+++ b/tests/generators/generate-luks2-metadata-size-64k-secondary.img.sh
@@ -0,0 +1,64 @@
+#!/bin/bash
+
+. lib.sh
+
+#
+# *** Description ***
+#
+# generate secondary header with one of allowed json area
+# size values. Test whether auto-recovery code is able
+# to validate secondary header with non-default json area
+# size.
+#
+# primary header is corrupted on purpose.
+#
+
+# $1 full target dir
+# $2 full source luks2 image
+
+function generate()
+{
+ # 64 KiB metadata
+ TEST_MDA_SIZE=$LUKS2_HDR_SIZE_64K
+
+ TEST_MDA_SIZE_BYTES=$((TEST_MDA_SIZE*512))
+ TEST_JSN_SIZE=$((TEST_MDA_SIZE-LUKS2_BIN_HDR_SIZE))
+ KEYSLOTS_OFFSET=$((TEST_MDA_SIZE*1024))
+ JSON_DIFF=$(((TEST_MDA_SIZE-LUKS2_HDR_SIZE)*1024))
+ JSON_SIZE=$((TEST_JSN_SIZE*512))
+ DATA_OFFSET=16777216
+
+ json_str=$(jq -c --arg jdiff $JSON_DIFF --arg jsize $JSON_SIZE --arg off $DATA_OFFSET \
+ '.keyslots[].area.offset |= ( . | tonumber + ($jdiff | tonumber) | tostring) |
+ .config.json_size = $jsize |
+ .segments."0".offset = $off' $TMPDIR/json0)
+ test -n "$json_str" || exit 2
+ test ${#json_str} -lt $((LUKS2_JSON_SIZE*512)) || exit 2
+
+ write_luks2_json "$json_str" $TMPDIR/json0 $TEST_JSN_SIZE
+ write_luks2_json "$json_str" $TMPDIR/json1 $TEST_JSN_SIZE
+
+ write_bin_hdr_size $TMPDIR/hdr0 $TEST_MDA_SIZE_BYTES
+ write_bin_hdr_size $TMPDIR/hdr1 $TEST_MDA_SIZE_BYTES
+
+ write_bin_hdr_offset $TMPDIR/hdr1 $TEST_MDA_SIZE_BYTES
+
+ lib_mangle_json_hdr0 $TEST_MDA_SIZE $TEST_JSN_SIZE kill
+ lib_mangle_json_hdr1 $TEST_MDA_SIZE $TEST_JSN_SIZE
+}
+
+function check()
+{
+ lib_hdr0_killed $TEST_MDA_SIZE || exit 2
+
+ read_luks2_json1 $TGT_IMG $TMPDIR/json_res1 $TEST_JSN_SIZE
+ jq -c --arg koff $KEYSLOTS_OFFSET --arg jsize $JSON_SIZE \
+ 'if ([.keyslots[].area.offset] | map(tonumber) | min | tostring != $koff) or
+ (.config.json_size != $jsize)
+ then error("Unexpected value in result json") else empty end' $TMPDIR/json_res1 || exit 5
+}
+
+lib_prepare $@
+generate
+check
+lib_cleanup