mirror of
https://github.com/docker/docker-bench-security.git
synced 2025-01-19 00:32:34 +01:00
109 lines
2.7 KiB
Bash
109 lines
2.7 KiB
Bash
#!/bin/sh
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logit "\n"
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info "4 - Container Images and Build Files"
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# 4.1
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check_4_1="4.1 - Create a user for the container"
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# If container_users is empty, there are no running containers
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if [ -z "$containers" ]; then
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info "$check_4_1"
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info " * No containers running"
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else
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# We have some containers running, set failure flag to 0. Check for Users.
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fail=0
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# Make the loop separator be a new-line in POSIX compliant fashion
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set -f; IFS=$'
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'
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for c in $containers; do
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user=$(docker inspect --format 'User={{.Config.User}}' "$c")
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if [ "$user" = "User=" -o "$user" = "User=[]" -o "$user" = "User=<no value>" ]; then
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# If it's the first container, fail the test
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if [ $fail -eq 0 ]; then
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warn "$check_4_1"
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warn " * Running as root: $c"
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fail=1
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else
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warn " * Running as root: $c"
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fi
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fi
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done
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# We went through all the containers and found none running as root
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if [ $fail -eq 0 ]; then
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pass "$check_4_1"
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fi
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fi
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# Make the loop separator go back to space
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set +f; unset IFS
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images=$(docker images -q)
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# 4.5
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check_4_5="4.5 - Enable Content trust for Docker"
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if [ "x$DOCKER_CONTENT_TRUST" = "x1" ]; then
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pass "$check_4_5"
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else
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warn "$check_4_5"
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fi
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# 4.6
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check_4_6="4.6 - Add HEALTHCHECK instruction to the container image"
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fail=0
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for img in $images; do
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docker inspect --format='{{.Config.Healthcheck}}' "$img" 2>/dev/null | grep -e "<nil>" >/dev/null 2>&1
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if [ $? -eq 0 ]; then
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if [ $fail -eq 0 ]; then
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fail=1
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warn "$check_4_6"
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fi
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imgName=$(docker inspect --format='{{.RepoTags}}' "$img" 2>/dev/null)
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if ! [ "$imgName" = '[]' ]; then
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warn " * No Healthcheck found: $imgName"
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fi
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fi
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done
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if [ $fail -eq 0 ]; then
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pass "$check_4_6"
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fi
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# 4.7
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check_4_7="4.7 - Do not use update instructions alone in the Dockerfile"
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fail=0
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for img in $images; do
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docker history "$img" 2>/dev/null | grep -e "update" >/dev/null 2>&1
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if [ $? -eq 0 ]; then
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if [ $fail -eq 0 ]; then
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fail=1
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info "$check_4_7"
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fi
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imgName=$(docker inspect --format='{{.RepoTags}}' "$img" 2>/dev/null)
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if ! [ "$imgName" = '[]' ]; then
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info " * Update instruction found: $imgName"
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fi
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fi
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done
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if [ $fail -eq 0 ]; then
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pass "$check_4_7"
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fi
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# 4.9
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check_4_9="4.9 - Use COPY instead of ADD in Dockerfile"
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fail=0
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for img in $images; do
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docker history "$img" 2> /dev/null | grep 'ADD' >/dev/null 2>&1
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if [ $? -eq 0 ]; then
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if [ $fail -eq 0 ]; then
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fail=1
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info "$check_4_9"
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fi
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imgName=$(docker inspect --format='{{.RepoTags}}' "$img" 2>/dev/null)
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if ! [ "$imgName" = '[]' ]; then
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info " * ADD in image history: $imgName"
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fi
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fi
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done
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if [ $fail -eq 0 ]; then
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pass "$check_4_9"
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fi
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