mirror of
https://github.com/ovh/debian-cis.git
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121 lines
3.8 KiB
Bash
Executable File
121 lines
3.8 KiB
Bash
Executable File
#!/bin/bash
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# run-shellcheck
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#
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# CIS Debian Hardening
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#
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#
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# 5.4.4 Ensure default usershell timeout is 900 seconds or less
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#
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set -e # One error, it's over
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set -u # One variable unset, it's over
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# shellcheck disable=2034
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USER='root'
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# shellcheck disable=2034
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DESCRIPTION="Timeout 600 seconds on tty."
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PATTERN='TMOUT='
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VALUE='600'
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FILES_TO_SEARCH='/etc/bash.bashrc /etc/profile.d /etc/profile'
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FILE='/etc/profile.d/CIS_99.1_timeout.sh'
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# This function will be called if the script status is on enabled / audit mode
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audit() {
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SEARCH_RES=0
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for FILE_SEARCHED in $FILES_TO_SEARCH; do
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if [ "$SEARCH_RES" = 1 ]; then break; fi
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if test -d "$FILE_SEARCHED"; then
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debug "$FILE_SEARCHED is a directory"
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# shellcheck disable=2044
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for file_in_dir in $(find "$FILE_SEARCHED" -type f); do
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does_pattern_exist_in_file "$file_in_dir" "$PATTERN"
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if [ "$FNRET" != 0 ]; then
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debug "$PATTERN is not present in $file_in_dir"
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else
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ok "$PATTERN is present in $file_in_dir"
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SEARCH_RES=1
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break
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fi
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done
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else
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does_pattern_exist_in_file "$FILE_SEARCHED" "$PATTERN"
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if [ "$FNRET" != 0 ]; then
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debug "$PATTERN is not present in $FILE_SEARCHED"
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else
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ok "$PATTERN is present in $FILE_SEARCHED"
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SEARCH_RES=1
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fi
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fi
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done
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if [ "$SEARCH_RES" = 0 ]; then
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crit "$PATTERN is not present in $FILES_TO_SEARCH"
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fi
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}
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# This function will be called if the script status is on enabled mode
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apply() {
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SEARCH_RES=0
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for FILE_SEARCHED in $FILES_TO_SEARCH; do
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if [ "$SEARCH_RES" = 1 ]; then break; fi
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if test -d "$FILE_SEARCHED"; then
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debug "$FILE_SEARCHED is a directory"
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# shellcheck disable=2044
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for file_in_dir in $(find "$FILE_SEARCHED" -type f); do
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does_pattern_exist_in_file "$file_in_dir" "$PATTERN"
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if [ "$FNRET" != 0 ]; then
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debug "$PATTERN is not present in $file_in_dir"
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else
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ok "$PATTERN is present in $file_in_dir"
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SEARCH_RES=1
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break
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fi
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done
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else
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does_pattern_exist_in_file "$FILE_SEARCHED" "$PATTERN"
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if [ "$FNRET" != 0 ]; then
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debug "$PATTERN is not present in $FILE_SEARCHED"
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else
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ok "$PATTERN is present in $FILE_SEARCHED"
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SEARCH_RES=1
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fi
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fi
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done
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if [ "$SEARCH_RES" = 0 ]; then
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warn "$PATTERN is not present in $FILES_TO_SEARCH"
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touch "$FILE"
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chmod 644 "$FILE"
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add_end_of_file "$FILE" "readonly $PATTERN$VALUE"
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add_end_of_file "$FILE" "export TMOUT"
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else
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ok "$PATTERN is present in $FILES_TO_SEARCH"
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fi
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}
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# This function will check config parameters required
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check_config() {
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:
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}
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# Source Root Dir Parameter
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if [ -r /etc/default/cis-hardening ]; then
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# shellcheck source=../../debian/default
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. /etc/default/cis-hardening
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fi
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if [ -z "$CIS_ROOT_DIR" ]; then
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echo "There is no /etc/default/cis-hardening file nor cis-hardening directory in current environment."
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echo "Cannot source CIS_ROOT_DIR variable, aborting."
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exit 128
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fi
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# Main function, will call the proper functions given the configuration (audit, enabled, disabled)
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if [ -r "$CIS_ROOT_DIR"/lib/main.sh ]; then
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# shellcheck source=../../lib/main.sh
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. "$CIS_ROOT_DIR"/lib/main.sh
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else
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echo "Cannot find main.sh, have you correctly defined your root directory? Current value is $CIS_ROOT_DIR in /etc/default/cis-hardening"
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exit 128
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fi
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