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Remove bc dependency

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Co-authored-by: Jeremy Denoun <jeremy.denoun@iguanesolutions.com>
This commit is contained in:
jeremydenoun 2021-01-22 09:31:53 +01:00 committed by GitHub
parent 1c2e171655
commit 0edb837f80
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GPG Key ID: 4AEE18F83AFDEB23
6 changed files with 24 additions and 7 deletions
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6
bin/hardening.sh
View File

@ -294,7 +294,7 @@ if [ "$BATCH_MODE" ]; then
BATCH_SUMMARY+="RUN_CHECKS:${TOTAL_TREATED_CHECKS:-0} "
BATCH_SUMMARY+="TOTAL_CHECKS_AVAIL:${TOTAL_CHECKS:-0}"
if [ "$TOTAL_TREATED_CHECKS" != 0 ]; then
CONFORMITY_PERCENTAGE=$(bc -l <<<"scale=2; ($PASSED_CHECKS/$TOTAL_TREATED_CHECKS) * 100")
CONFORMITY_PERCENTAGE=$(div $(($PASSED_CHECKS * 100)) $TOTAL_TREATED_CHECKS)
BATCH_SUMMARY+=" CONFORMITY_PERCENTAGE:$(printf "%s" "$CONFORMITY_PERCENTAGE")"
else
BATCH_SUMMARY+=" CONFORMITY_PERCENTAGE:N.A" # No check runned, avoid division by 0
@ -307,8 +307,8 @@ else
printf "%30s [ %7s ]\n" "Total Passed Checks :" "$PASSED_CHECKS/$TOTAL_TREATED_CHECKS"
printf "%30s [ %7s ]\n" "Total Failed Checks :" "$FAILED_CHECKS/$TOTAL_TREATED_CHECKS"
ENABLED_CHECKS_PERCENTAGE=$(bc -l <<<"scale=2; ($TOTAL_TREATED_CHECKS/$TOTAL_CHECKS) * 100")
CONFORMITY_PERCENTAGE=$(bc -l <<<"scale=2; ($PASSED_CHECKS/$TOTAL_TREATED_CHECKS) * 100")
ENABLED_CHECKS_PERCENTAGE=$(div $(($TOTAL_TREATED_CHECKS * 100)) $TOTAL_CHECKS)
CONFORMITY_PERCENTAGE=$(div $(($PASSED_CHECKS * 100)) $TOTAL_TREATED_CHECKS)
printf "%30s %s %%\n" "Enabled Checks Percentage :" "$ENABLED_CHECKS_PERCENTAGE"
if [ "$TOTAL_TREATED_CHECKS" != 0 ]; then
printf "%30s %s %%\n" "Conformity Percentage :" "$CONFORMITY_PERCENTAGE"

2
debian/control vendored
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@ -10,7 +10,7 @@ Vcs-Browser: https://github.com/ovh/debian-cis/
Package: cis-hardening
Architecture: all
Depends: ${misc:Depends}, bc, patch
Depends: ${misc:Depends}, patch
Description: Suite of configurable scripts to audit or harden a Debian.
Modular Debian security hardening scripts based on cisecurity.org
⟨cisecurity.org⟩ recommendations. We use it at OVH ⟨https://www.ovh.com⟩ to

17
lib/common.sh
View File

@ -112,3 +112,20 @@ sudo_wrapper() {
crit "Not allowed to \"sudo -n $*\" "
fi
}
#
# Math functions
#
function div() {
local _d=${3:-2}
local _n=0000000000
_n=${_n:0:$_d}
if (($2 == 0)); then
echo "N.A"
return
fi
local _r=$(($1$_n / $2))
_r=${_r:0:-$_d}.${_r: -$_d}
echo $_r
}

2
tests/docker/Dockerfile.debian10
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@ -7,7 +7,7 @@ LABEL description="This image is used to run tests"
RUN groupadd -g 500 secaudit && useradd -u 500 -g 500 -s /bin/bash secaudit && install -m 700 -o secaudit -g secaudit -d /home/secaudit
RUN apt-get update && DEBIAN_FRONTEND=noninteractive apt-get install -y bc openssh-server sudo syslog-ng net-tools auditd
RUN apt-get update && DEBIAN_FRONTEND=noninteractive apt-get install -y openssh-server sudo syslog-ng net-tools auditd
COPY --chown=500:500 . /opt/debian-cis/

2
tests/docker/Dockerfile.debian8
View File

@ -7,7 +7,7 @@ LABEL description="This image is used to run tests"
RUN groupadd -g 500 secaudit && useradd -u 500 -g 500 -s /bin/bash secaudit && install -m 700 -o secaudit -g secaudit -d /home/secaudit
RUN apt-get update && DEBIAN_FRONTEND=noninteractive apt-get install -y bc openssh-server sudo syslog-ng net-tools auditd
RUN apt-get update && DEBIAN_FRONTEND=noninteractive apt-get install -y openssh-server sudo syslog-ng net-tools auditd
COPY --chown=500:500 . /opt/debian-cis/

2
tests/docker/Dockerfile.debian9
View File

@ -7,7 +7,7 @@ LABEL description="This image is used to run tests"
RUN groupadd -g 500 secaudit && useradd -u 500 -g 500 -s /bin/bash secaudit && install -m 700 -o secaudit -g secaudit -d /home/secaudit
RUN apt-get update && DEBIAN_FRONTEND=noninteractive apt-get install -y bc openssh-server sudo syslog-ng net-tools auditd
RUN apt-get update && DEBIAN_FRONTEND=noninteractive apt-get install -y openssh-server sudo syslog-ng net-tools auditd
COPY --chown=500:500 . /opt/debian-cis/