#!/bin/sh

check_3() {
  logit "\n"
  info "3 - Docker daemon configuration files"
}

# 3.1
check_3_1() {
  check_3_1="3.1  - Ensure that docker.service file ownership is set to root:root"
  totalChecks=$((totalChecks + 1))
  file="$(get_systemd_service_file docker.service)"
  if [ -f "$file" ]; then
    if [ "$(stat -c %u%g $file)" -eq 00 ]; then
      pass "$check_3_1"
      logjson "3.1" "PASS"
      currentScore=$((currentScore + 1))
    else
      warn "$check_3_1"
      warn "     * Wrong ownership for $file"
      logjson "3.1" "WARN"
      currentScore=$((currentScore - 1))
    fi
  else
    info "$check_3_1"
    info "     * File not found"
    logjson "3.1" "INFO"
    currentScore=$((currentScore + 0))
  fi
}

# 3.2
check_3_2() {
  check_3_2="3.2  - Ensure that docker.service file permissions are set to 644 or more restrictive"
  totalChecks=$((totalChecks + 1))
  file="$(get_systemd_service_file docker.service)"
  if [ -f "$file" ]; then
    if [ "$(stat -c %a $file)" -eq 644 -o "$(stat -c %a $file)" -eq 600 ]; then
      pass "$check_3_2"
      logjson "3.2" "PASS"
      currentScore=$((currentScore + 1))
    else
      warn "$check_3_2"
      warn "     * Wrong permissions for $file"
      logjson "3.2" "WARN"
      currentScore=$((currentScore - 1))
    fi
  else
    info "$check_3_2"
    info "     * File not found"
    logjson "3.2" "INFO"
    currentScore=$((currentScore + 0))
  fi
}

# 3.3
check_3_3() {
  check_3_3="3.3  - Ensure that docker.socket file ownership is set to root:root"
  totalChecks=$((totalChecks + 1))
  file="$(get_systemd_service_file docker.socket)"
  if [ -f "$file" ]; then
    if [ "$(stat -c %u%g $file)" -eq 00 ]; then
      pass "$check_3_3"
      logjson "3.3" "PASS"
      currentScore=$((currentScore + 1))
    else
      warn "$check_3_3"
      warn "     * Wrong ownership for $file"
      logjson "3.3" "WARN"
      currentScore=$((currentScore - 1))
    fi
  else
    info "$check_3_3"
    info "     * File not found"
    logjson "3.3" "INFO"
    currentScore=$((currentScore + 0))
  fi
}

# 3.4
check_3_4() {
  check_3_4="3.4  - Ensure that docker.socket file permissions are set to 644 or more restrictive"
  totalChecks=$((totalChecks + 1))
  file="$(get_systemd_service_file docker.socket)"
  if [ -f "$file" ]; then
    if [ "$(stat -c %a $file)" -eq 644 -o "$(stat -c %a $file)" -eq 600 ]; then
      pass "$check_3_4"
      logjson "3.4" "PASS"
      currentScore=$((currentScore + 1))
    else
      warn "$check_3_4"
      warn "     * Wrong permissions for $file"
      logjson "3.4" "WARN"
      currentScore=$((currentScore - 1))
    fi
  else
    info "$check_3_4"
    info "     * File not found"
    logjson "3.4" "INFO"
    currentScore=$((currentScore + 0))
  fi
}

# 3.5
check_3_5() {
  check_3_5="3.5  - Ensure that /etc/docker directory ownership is set to root:root"
  totalChecks=$((totalChecks + 1))
  directory="/etc/docker"
  if [ -d "$directory" ]; then
    if [ "$(stat -c %u%g $directory)" -eq 00 ]; then
      pass "$check_3_5"
      logjson "3.5" "PASS"
      currentScore=$((currentScore + 1))
    else
      warn "$check_3_5"
      warn "     * Wrong ownership for $directory"
      logjson "3.5" "WARN"
      currentScore=$((currentScore - 1))
    fi
  else
    info "$check_3_5"
    info "     * Directory not found"
    logjson "3.5" "INFO"
    currentScore=$((currentScore + 0))
  fi
}

# 3.6
check_3_6() {
  check_3_6="3.6  - Ensure that /etc/docker directory permissions are set to 755 or more restrictive"
  totalChecks=$((totalChecks + 1))
  directory="/etc/docker"
  if [ -d "$directory" ]; then
    if [ "$(stat -c %a $directory)" -eq 755 -o "$(stat -c %a $directory)" -eq 700 ]; then
      pass "$check_3_6"
      logjson "3.6" "PASS"
      currentScore=$((currentScore + 1))
    else
      warn "$check_3_6"
      warn "     * Wrong permissions for $directory"
      logjson "3.6" "WARN"
      currentScore=$((currentScore - 1))
    fi
  else
    info "$check_3_6"
    info "     * Directory not found"
    logjson "3.6" "INFO"
    currentScore=$((currentScore + 0))
  fi
}

# 3.7
check_3_7() {
  check_3_7="3.7  - Ensure that registry certificate file ownership is set to root:root"
  totalChecks=$((totalChecks + 1))
  directory="/etc/docker/certs.d/"
  if [ -d "$directory" ]; then
    fail=0
    owners=$(find "$directory" -type f -name '*.crt')
    for p in $owners; do
      if [ "$(stat -c %u $p)" -ne 0 ]; then
        fail=1
      fi
    done
    if [ $fail -eq 1 ]; then
      warn "$check_3_7"
      warn "     * Wrong ownership for $directory"
      logjson "3.7" "WARN"
      currentScore=$((currentScore - 1))
    else
      pass "$check_3_7"
      logjson "3.7" "PASS"
      currentScore=$((currentScore + 1))
    fi
  else
    info "$check_3_7"
    info "     * Directory not found"
    logjson "3.7" "INFO"
    currentScore=$((currentScore + 0))
  fi
}

# 3.8
check_3_8() {
  check_3_8="3.8  - Ensure that registry certificate file permissions are set to 444 or more restrictive"
  totalChecks=$((totalChecks + 1))
  directory="/etc/docker/certs.d/"
  if [ -d "$directory" ]; then
    fail=0
    perms=$(find "$directory" -type f -name '*.crt')
    for p in $perms; do
      if [ "$(stat -c %a $p)" -ne 444 -a "$(stat -c %a $p)" -ne 400 ]; then
        fail=1
      fi
    done
    if [ $fail -eq 1 ]; then
      warn "$check_3_8"
      warn "     * Wrong permissions for $directory"
      logjson "3.8" "WARN"
      currentScore=$((currentScore - 1))
    else
      pass "$check_3_8"
      logjson "3.8" "PASS"
      currentScore=$((currentScore + 1))
    fi
  else
    info "$check_3_8"
    info "     * Directory not found"
    logjson "3.8" "INFO"
    currentScore=$((currentScore + 0))
  fi
}

# 3.9
check_3_9() {
  check_3_9="3.9  - Ensure that TLS CA certificate file ownership is set to root:root"
  totalChecks=$((totalChecks + 1))
  if ! [ -z $(get_docker_configuration_file_args 'tlscacert') ]; then
    tlscacert=$(get_docker_configuration_file_args 'tlscacert')
  else
    tlscacert=$(get_docker_effective_command_line_args '--tlscacert' | sed -n 's/.*tlscacert=\([^s]\)/\1/p' | sed 's/--/ --/g' | cut -d " " -f 1)
  fi
  if [ -f "$tlscacert" ]; then
    if [ "$(stat -c %u%g "$tlscacert")" -eq 00 ]; then
      pass "$check_3_9"
      logjson "3.9" "PASS"
      currentScore=$((currentScore + 1))
    else
      warn "$check_3_9"
      warn "     * Wrong ownership for $tlscacert"
      logjson "3.9" "WARN"
      currentScore=$((currentScore - 1))
    fi
  else
    info "$check_3_9"
    info "     * No TLS CA certificate found"
    logjson "3.9" "INFO"
    currentScore=$((currentScore + 0))
  fi
}

# 3.10
check_3_10() {
  check_3_10="3.10 - Ensure that TLS CA certificate file permissions are set to 444 or more restrictive"
  totalChecks=$((totalChecks + 1))
  if ! [ -z $(get_docker_configuration_file_args 'tlscacert') ]; then
    tlscacert=$(get_docker_configuration_file_args 'tlscacert')
  else
    tlscacert=$(get_docker_effective_command_line_args '--tlscacert' | sed -n 's/.*tlscacert=\([^s]\)/\1/p' | sed 's/--/ --/g' | cut -d " " -f 1)
  fi
  if [ -f "$tlscacert" ]; then
    if [ "$(stat -c %a $tlscacert)" -eq 444 -o "$(stat -c %a $tlscacert)" -eq 400 ]; then
      pass "$check_3_10"
      logjson "3.10" "PASS"
      currentScore=$((currentScore + 1))
    else
      warn "$check_3_10"
      warn "     * Wrong permissions for $tlscacert"
      logjson "3.10" "WARN"
      currentScore=$((currentScore - 1))
    fi
  else
    info "$check_3_10"
    info "     * No TLS CA certificate found"
    logjson "3.10" "INFO"
    currentScore=$((currentScore + 0))
  fi
}

# 3.11
check_3_11() {
  check_3_11="3.11 - Ensure that Docker server certificate file ownership is set to root:root"
  totalChecks=$((totalChecks + 1))
  if ! [ -z $(get_docker_configuration_file_args 'tlscert') ]; then
    tlscert=$(get_docker_configuration_file_args 'tlscert')
  else
    tlscert=$(get_docker_effective_command_line_args '--tlscert' | sed -n 's/.*tlscert=\([^s]\)/\1/p' | sed 's/--/ --/g' | cut -d " " -f 1)
  fi
  if [ -f "$tlscert" ]; then
    if [ "$(stat -c %u%g "$tlscert")" -eq 00 ]; then
      pass "$check_3_11"
      logjson "3.11" "PASS"
      currentScore=$((currentScore + 1))
    else
      warn "$check_3_11"
      warn "     * Wrong ownership for $tlscert"
      logjson "3.11" "WARN"
      currentScore=$((currentScore - 1))
    fi
  else
    info "$check_3_11"
    info "     * No TLS Server certificate found"
    logjson "3.11" "INFO"
    currentScore=$((currentScore + 0))
  fi
}

# 3.12
check_3_12() {
  check_3_12="3.12 - Ensure that Docker server certificate file permissions are set to 444 or more restrictive"
  totalChecks=$((totalChecks + 1))
  if ! [ -z $(get_docker_configuration_file_args 'tlscert') ]; then
    tlscert=$(get_docker_configuration_file_args 'tlscert')
  else
    tlscert=$(get_docker_effective_command_line_args '--tlscert' | sed -n 's/.*tlscert=\([^s]\)/\1/p' | sed 's/--/ --/g' | cut -d " " -f 1)
  fi
  if [ -f "$tlscert" ]; then
    if [ "$(stat -c %a $tlscert)" -eq 444 -o "$(stat -c %a $tlscert)" -eq 400 ]; then
      pass "$check_3_12"
      logjson "3.12" "PASS"
      currentScore=$((currentScore + 1))
    else
      warn "$check_3_12"
      warn "     * Wrong permissions for $tlscert"
      logjson "3.12" "WARN"
      currentScore=$((currentScore - 1))
    fi
  else
    info "$check_3_12"
    info "     * No TLS Server certificate found"
    logjson "3.12" "INFO"
    currentScore=$((currentScore + 0))
  fi
}

# 3.13
check_3_13() {
  check_3_13="3.13 - Ensure that Docker server certificate key file ownership is set to root:root"
  totalChecks=$((totalChecks + 1))
  if ! [ -z $(get_docker_configuration_file_args 'tlskey') ]; then
    tlskey=$(get_docker_configuration_file_args 'tlskey')
  else
    tlskey=$(get_docker_effective_command_line_args '--tlskey' | sed -n 's/.*tlskey=\([^s]\)/\1/p' | sed 's/--/ --/g' | cut -d " " -f 1)
  fi
  if [ -f "$tlskey" ]; then
    if [ "$(stat -c %u%g "$tlskey")" -eq 00 ]; then
      pass "$check_3_13"
      logjson "3.13" "PASS"
      currentScore=$((currentScore + 1))
    else
      warn "$check_3_13"
      warn "     * Wrong ownership for $tlskey"
      logjson "3.13" "WARN"
      currentScore=$((currentScore - 1))
    fi
  else
    info "$check_3_13"
    info "     * No TLS Key found"
    logjson "3.13" "INFO"
    currentScore=$((currentScore + 0))
  fi
}

# 3.14
check_3_14() {
  check_3_14="3.14 - Ensure that Docker server certificate key file permissions are set to 400"
  totalChecks=$((totalChecks + 1))
  if ! [ -z $(get_docker_configuration_file_args 'tlskey') ]; then
    tlskey=$(get_docker_configuration_file_args 'tlskey')
  else
    tlskey=$(get_docker_effective_command_line_args '--tlskey' | sed -n 's/.*tlskey=\([^s]\)/\1/p' | sed 's/--/ --/g' | cut -d " " -f 1)
  fi
  if [ -f "$tlskey" ]; then
    if [ "$(stat -c %a $tlskey)" -eq 400 ]; then
      pass "$check_3_14"
      logjson "3.14" "PASS"
      currentScore=$((currentScore + 1))
    else
      warn "$check_3_14"
      warn "     * Wrong permissions for $tlskey"
      logjson "3.14" "WARN"
      currentScore=$((currentScore - 1))
    fi
  else
    info "$check_3_14"
    info "     * No TLS Key found"
    logjson "3.14" "INFO"
    currentScore=$((currentScore + 0))
  fi
}

# 3.15
check_3_15() {
  check_3_15="3.15 - Ensure that Docker socket file ownership is set to root:docker"
  totalChecks=$((totalChecks + 1))
  file="/var/run/docker.sock"
  if [ -S "$file" ]; then
    if [ "$(stat -c %U:%G $file)" = 'root:docker' ]; then
      pass "$check_3_15"
      logjson "3.15" "PASS"
      currentScore=$((currentScore + 1))
    else
      warn "$check_3_15"
      warn "     * Wrong ownership for $file"
      logjson "3.15" "WARN"
      currentScore=$((currentScore - 1))
    fi
  else
    info "$check_3_15"
    info "     * File not found"
    logjson "3.15" "INFO"
    currentScore=$((currentScore + 0))
  fi
}

# 3.16
check_3_16() {
  check_3_16="3.16 - Ensure that Docker socket file permissions are set to 660 or more restrictive"
  totalChecks=$((totalChecks + 1))
  file="/var/run/docker.sock"
  if [ -S "$file" ]; then
    if [ "$(stat -c %a $file)" -eq 660 -o "$(stat -c %a $file)" -eq 600 ]; then
      pass "$check_3_16"
      logjson "3.16" "PASS"
      currentScore=$((currentScore + 1))
    else
      warn "$check_3_16"
      warn "     * Wrong permissions for $file"
      logjson "3.16" "WARN"
      currentScore=$((currentScore - 1))
    fi
  else
    info "$check_3_16"
    info "     * File not found"
    logjson "3.16" "INFO"
    currentScore=$((currentScore + 0))
  fi
}

# 3.17
check_3_17() {
  check_3_17="3.17 - Ensure that daemon.json file ownership is set to root:root"
  totalChecks=$((totalChecks + 1))
  file="/etc/docker/daemon.json"
  if [ -f "$file" ]; then
    if [ "$(stat -c %U:%G $file)" = 'root:root' ]; then
      pass "$check_3_17"
      logjson "3.17" "PASS"
      currentScore=$((currentScore + 1))
    else
      warn "$check_3_17"
      warn "     * Wrong ownership for $file"
      logjson "3.17" "WARN"
      currentScore=$((currentScore - 1))
    fi
  else
    info "$check_3_17"
    info "     * File not found"
    logjson "3.17" "INFO"
    currentScore=$((currentScore + 0))
  fi
}

# 3.18
check_3_18() {
  check_3_18="3.18 - Ensure that daemon.json file permissions are set to 644 or more restrictive"
  totalChecks=$((totalChecks + 1))
  file="/etc/docker/daemon.json"
  if [ -f "$file" ]; then
    if [ "$(stat -c %a $file)" -eq 644 -o "$(stat -c %a $file)" -eq 600 ]; then
      pass "$check_3_18"
      logjson "3.18" "PASS"
      currentScore=$((currentScore + 1))
    else
      warn "$check_3_18"
      warn "     * Wrong permissions for $file"
      logjson "3.18" "WARN"
      currentScore=$((currentScore - 1))
    fi
  else
    info "$check_3_18"
    info "     * File not found"
    logjson "3.18" "INFO"
    currentScore=$((currentScore - 0))
  fi
}

# 3.19
check_3_19() {
  check_3_19="3.19 - Ensure that /etc/default/docker file ownership is set to root:root"
  totalChecks=$((totalChecks + 1))
  file="/etc/default/docker"
  if [ -f "$file" ]; then
    if [ "$(stat -c %U:%G $file)" = 'root:root' ]; then
      pass "$check_3_19"
      logjson "3.19" "PASS"
      currentScore=$((currentScore + 1))
    else
      warn "$check_3_19"
      warn "     * Wrong ownership for $file"
      logjson "3.19" "WARN"
      currentScore=$((currentScore - 1))
    fi
  else
    info "$check_3_19"
    info "     * File not found"
    logjson "3.19" "INFO"
    currentScore=$((currentScore + 0))
  fi
}

# 3.20
check_3_20() {
  check_3_20="3.20 - Ensure that /etc/default/docker file permissions are set to 644 or more restrictive"
  totalChecks=$((totalChecks + 1))
  file="/etc/default/docker"
  if [ -f "$file" ]; then
    if [ "$(stat -c %a $file)" -eq 644 -o "$(stat -c %a $file)" -eq 600 ]; then
      pass "$check_3_20"
      logjson "3.20" "PASS"
      currentScore=$((currentScore + 1))
    else
      warn "$check_3_20"
      warn "     * Wrong permissions for $file"
      logjson "3.20" "WARN"
      currentScore=$((currentScore - 1))
    fi
  else
    info "$check_3_20"
    info "     * File not found"
    logjson "3.20" "INFO"
    currentScore=$((currentScore + 0))
  fi
}