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https://github.com/ovh/debian-cis.git
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32886d3a3d
* Replace CIS_ROOT_DIR by a more flexible system * Try to adapt the logic change to the functional tests
118 lines
3.7 KiB
Bash
Executable File
118 lines
3.7 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 user umask is 027 or more restrictive (Scored)
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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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HARDENING_LEVEL=3
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# shellcheck disable=2034
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DESCRIPTION="Set default mask for users to 077."
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USER='root'
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PATTERN='umask 077'
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FILES_TO_SEARCH='/etc/bash.bashrc /etc/profile.d /etc/profile'
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FILE='/etc/profile.d/CIS_10.4_umask.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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for file_in_dir in "$FILE_SEARCHED"/*; do
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[[ -e "$file_in_dir" ]] || break # handle the case of no file in dir
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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 $FILES_TO_SEARCH"
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SEARCH_RES=1
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fi
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fi
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done
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if [ "$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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for file_in_dir in "$FILE_SEARCHED"/*; do
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[[ -e "$file_in_dir" ]] || break # handle the case of no file in dir
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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 $FILES_TO_SEARCH"
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SEARCH_RES=1
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fi
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fi
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done
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if [ "$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" "$PATTERN"
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fi
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}
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# This function will check config parameters required
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check_config() {
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:
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}
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# Source Root Dir Parameter
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if [ -r /etc/default/cis-hardening ]; then
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# shellcheck source=../../debian/default
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. /etc/default/cis-hardening
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fi
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if [ -z "$CIS_LIB_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_LIB_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 "${CIS_LIB_DIR}"/main.sh ]; then
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# shellcheck source=../../lib/main.sh
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. "${CIS_LIB_DIR}"/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_LIB_DIR in /etc/default/cis-hardening"
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exit 128
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fi
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