chore: add new scripts for debian 12

- package_manager_is_configured         -> 1.2.1.2
- ptrace_scope_is_restricted            -> 1.5.2
- gdm_is_removed.sh                     -> 1.7.1
- dnsmasq_is_disabled.sh                -> 2.1.5

tests/hardening/dnsmasq_is_disabled.sh

@@ -0,0 +1,36 @@
+# shellcheck shell=bash
+# run-shellcheck
+test_audit() {
+
+    describe Prepare on purpose failed test
+    apt install -y dnsmasq
+    # running on a container, will can only test the package installation, not the service management
+
+    describe Running on purpose failed test
+    register_test retvalshouldbe 1
+    # shellcheck disable=2154
+    run blank "${CIS_CHECKS_DIR}/${script}.sh" --audit-all
+
+    describe correcting situation
+    sed -i 's/audit/enabled/' "${CIS_CONF_DIR}/conf.d/${script}.cfg"
+    "${CIS_CHECKS_DIR}/${script}.sh" --apply || true
+
+    describe Checking resolved state
+    register_test retvalshouldbe 0
+    run resolved "${CIS_CHECKS_DIR}/${script}.sh" --audit-all
+
+    describe Prepare test package dependencies
+    # try to install a package with not much dependencies
+    apt install -y ocserv
+    # running on a container, will can only test the package installation, not the service management
+
+    describe Running successfull test
+    register_test retvalshouldbe 0
+    # shellcheck disable=2154
+    run blank "${CIS_CHECKS_DIR}/${script}.sh" --audit-all
+
+    describe clean installation
+    apt remove -y ocserv
+    apt autoremove -y
+
+}

tests/hardening/gdm_is_removed.sh

@@ -0,0 +1,16 @@
+# shellcheck shell=bash
+# run-shellcheck
+test_audit() {
+    describe Running on blank host
+    register_test retvalshouldbe 0
+    dismiss_count_for_test
+    # shellcheck disable=2154
+    run blank "${CIS_CHECKS_DIR}/${script}.sh" --audit-all
+
+    ##################################################################
+    # For this test, we only check that it runs properly on a blank  #
+    # host, and we check root/sudo consistency. But, we don't test   #
+    # the apply function because it can't be automated or it is very #
+    # long to test and not very useful.                              #
+    ##################################################################
+}

tests/hardening/package_manager_is_configured.sh

@@ -0,0 +1,9 @@
+# shellcheck shell=bash
+# run-shellcheck
+test_audit() {
+    describe Running on blank host
+    # chance to not have any souces list on a blank host are close to null
+    register_test retvalshouldbe 0
+    # shellcheck disable=2154
+    run blank "${CIS_CHECKS_DIR}/${script}.sh" --audit-all
+}

tests/hardening/ptrace_scope_is_restricted.sh

@@ -0,0 +1,30 @@
+# shellcheck shell=bash
+# run-shellcheck
+test_audit() {
+    describe Running on blank host
+    register_test retvalshouldbe 0
+    dismiss_count_for_test
+    # shellcheck disable=2154
+    run blank "${CIS_CHECKS_DIR}/${script}.sh" --audit-all
+
+    if [ -f "/.dockerenv" ]; then
+        skip "SKIPPED on docker"
+    else
+        describe Tests purposely failing
+        sysctl -w kernel.yama.ptrace_scope=0 2>/dev/null
+        register_test retvalshouldbe 1
+        register_test contain "kernel.yama.ptrace_scope was not set to 1"
+
+        run noncompliant "${CIS_CHECKS_DIR}/${script}.sh" --audit-all
+
+        describe correcting situation
+        sed -i 's/audit/enabled/' "${CIS_CONF_DIR}/conf.d/${script}.cfg"
+        "${CIS_CHECKS_DIR}/${script}.sh" --apply || true
+
+        describe Checking resolved state
+        register_test retvalshouldbe 0
+        register_test contain "correctly set to 1"
+        register_test contain "kernel.yama.ptrace_scope correctly set to 1"
+        run resolved "${CIS_CHECKS_DIR}/${script}.sh" --audit-all
+    fi
+}