83 lines
2.7 KiB
Diff
83 lines
2.7 KiB
Diff
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From 0449160c84daff8c557dee47a970e4f4837ff81d Mon Sep 17 00:00:00 2001
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From: Huaxin Lu <luhuaxin1@huawei.com>
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Date: Mon, 12 Dec 2022 00:16:01 +0800
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Subject: [PATCH] support EBS sign for IMA digest list
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Signed-off-by: Huaxin Lu <luhuaxin1@huawei.com>
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---
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brp-digest-list | 16 ++++++++++++++++
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brp-ebs-sign | 34 ++++++++++++++++++++++++++++++++++
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2 files changed, 50 insertions(+)
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create mode 100644 brp-ebs-sign
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diff --git a/brp-digest-list b/brp-digest-list
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index e698b7a..9ec50a2 100644
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--- a/brp-digest-list
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+++ b/brp-digest-list
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@@ -84,6 +84,22 @@ if [[ "$(basename $BIN_PKG_FILES)" =~ "digest-list-tools" && \
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chmod 644 $f
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echo $f
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+ # do EBS sign
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+ export PUBLISHER_HOST=$(grep PUBLISHER_HOST /lkp/scheduled/job.yaml | awk '{print $2}')
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+ export PUBLISHER_PORT=$(grep PUBLISHER_PORT /lkp/scheduled/job.yaml | awk '{print $2}')
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+ if [[ -n "$PUBLISHER_HOST" && -n "$PUBLISHER_PORT" ]]; then
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+ [ -f /usr/lib/rpm/brp-ebs-sign ] || exit 0
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+ for f in $(ls $DIGEST_LIST_DIR); do
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+ sh /usr/lib/rpm/brp-ebs-sign $DIGEST_LIST_DIR/$f &> /dev/null
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+ [ -f $DIGEST_LIST_DIR/$f.sig ] || exit 0
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+ chmod 644 $DIGEST_LIST_DIR/$f.sig
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+ mv $DIGEST_LIST_DIR/$f.sig $DIGEST_LIST_DIR.sig/$f.sig
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+ echo $DIGEST_LIST_DIR.sig/$f.sig
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+ done
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+ exit 0
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+ fi
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+
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+ # do OBS sign
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[ -f /usr/lib/rpm/brp-suse.d/brp-99-pesign ] || exit 0
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export BRP_PESIGN_FILES="$2/etc/ima/digest_lists/*"
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diff --git a/brp-ebs-sign b/brp-ebs-sign
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new file mode 100644
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index 0000000..662a9f7
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--- /dev/null
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+++ b/brp-ebs-sign
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@@ -0,0 +1,34 @@
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+#!/bin/bash
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+
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+# config
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+PUBLISHER_ADDR="http://${PUBLISHER_HOST}:${PUBLISHER_PORT}/sign-files"
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+POST_KEY_BASE64="encoded_file_content"
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+POST_KEY_MD5="file_md5"
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+REQ_KEY_BASE64="signed_file_content"
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+REQ_KEY_MD5="signed_file_md5"
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+
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+# function definition
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+get_json_value(){
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+ echo "$1" | awk -F "[{,:}]" '{for(i=1;i<NF;i++){if($i~"'$2'"){print $(i+1)}}}' | sed 's/\"//g'
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+}
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+
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+file="$1"
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+file_base64="$(base64 -w0 $file)"
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+file_md5="$(md5sum $file | awk '{printf $1}')"
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+json="{\"$POST_KEY_BASE64\":\"$file_base64\", \"$POST_KEY_MD5\":\"$file_md5\"}"
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+
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+req="$(curl -X POST "$PUBLISHER_ADDR" -H 'Content-Type: application/json' -d "$json")"
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+[ $? -eq 0 ] || { echo "Fail to post sign service, REQ="; echo "req"; exit 1; }
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+
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+sig_base64=$(get_json_value "$req" "$REQ_KEY_BASE64")
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+[ $? -eq 0 ] || { echo "Fail to parser $REQ_KEY_BASE64"; exit 1; }
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+echo -e "$sig_base64" | base64 -d > $file.sig
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+[ $? -eq 0 ] || { echo "Fail to decode value of $key"; exit 1; }
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+
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+sig_md5=$(get_json_value "$req" "$REQ_KEY_MD5")
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+[ $? -eq 0 ] || { echo "Fail to parser $REQ_KEY_MD5"; exit 1; }
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+md5sum $file.sig | grep "$sig_md5"
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+[ $? -eq 0 ] || { echo "Fail to check md5 of $file.sig"; exit 1; }
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+
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+echo "Sign $file ok!"
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+exit 0
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--
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2.33.0
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