[SCHD-7704] permission checks and minor code cleanups

This commit is contained in:
Michael Boelen 2017-03-13 12:00:27 +01:00
parent 320a397772
commit 6083f6d9ff
1 changed files with 72 additions and 65 deletions

View File

@ -36,9 +36,9 @@
Register --test-no SCHD-7702 --weight L --network NO --category security --description "Check status of cron daemon"
if [ ${SKIPTEST} -eq 0 ]; then
FIND=$(${PSBINARY} aux | ${EGREPBINARY} "( cron$|/cron(d)? )")
if [ "${FIND}" = "" ]; then
if [ -z "${FIND}" ]; then
LogText "Result: no cron daemon found"
else
else
LogText "Result: cron daemon running"
CROND_RUNNING=1
Report "crond_running=1"
@ -73,14 +73,13 @@
for I in ${CRON_DIRS}; do
LogText "Test: checking directory ${I}"
if [ -d ${I} ]; then
FileIsReadable ${I}
if [ ${CANREAD} -eq 1 ]; then
if FileIsReadable ${I}; then
LogText "Result: found directory ${I}"
LogText "Test: searching files in ${I}"
FIND=$(find ${I} -type f -print | ${GREPBINARY} -v ".placeholder")
if [ "${FIND}" = "" ]; then
LogText "Result: no files found in ${I}"
else
else
LogText "Result: found one or more files in ${I}. Analyzing files.."
for J in ${FIND}; do
if IsWorldWritable ${J}; then LogText "Result: insecure file permissions for cronjob file ${J}"; Report "insecure_fileperms_cronjob[]=${J}"; BAD_FILE_PERMISSIONS=1; AddHP 0 5; fi
@ -95,10 +94,10 @@
done
LogText "Result: done with analyzing files in ${I}"
fi
else
else
LogText "Result: can not read file or directory ${I}"
fi
else
else
LogText "Result: directory ${I} does not exist"
fi
done
@ -108,21 +107,25 @@
LogText "Test: checking directory ${I}"
if [ -d ${I} ]; then
LogText "Result: found directory ${I}"
LogText "Test: searching files in ${I}"
FIND=$(find ${I} -type f -print | ${GREPBINARY} -v ".placeholder")
if [ "${FIND}" = "" ]; then
LogText "Result: no files found in ${I}"
else
LogText "Result: found one or more files in ${I}. Analyzing files.."
for J in ${FIND}; do
if IsWorldWritable ${J}; then LogText "Result: insecure file permissions for cronjob file ${J}"; Report "insecure_fileperms_cronjob[]=${J}"; BAD_FILE_PERMISSIONS=1; AddHP 0 5; fi
if ! IsOwnedByRoot ${J}; then LogText "Result: incorrect owner found for cronjob file ${J}"; Report "bad_fileowner_cronjob[]=${J}"; BAD_FILE_OWNERSHIP=1; AddHP 0 5; fi
LogText "Result: Found cronjob (${I}): ${J}"
Report "cronjob[]=${J}"
done
LogText "Result: done with analyzing files in ${I}"
if FileIsReadable ${I}; then
LogText "Test: searching files in ${I}"
FIND=$(find ${I} -type f -print 2> /dev/null | ${GREPBINARY} -v ".placeholder")
if [ "${FIND}" = "" ]; then
LogText "Result: no files found in ${I}"
else
LogText "Result: found one or more files in ${I}. Analyzing files.."
for J in ${FIND}; do
if IsWorldWritable ${J}; then LogText "Result: insecure file permissions for cronjob file ${J}"; Report "insecure_fileperms_cronjob[]=${J}"; BAD_FILE_PERMISSIONS=1; AddHP 0 5; fi
if ! IsOwnedByRoot ${J}; then LogText "Result: incorrect owner found for cronjob file ${J}"; Report "bad_fileowner_cronjob[]=${J}"; BAD_FILE_OWNERSHIP=1; AddHP 0 5; fi
LogText "Result: Found cronjob (${I}): ${J}"
Report "cronjob[]=${J}"
done
LogText "Result: done with analyzing files in ${I}"
fi
else
LogText "Result: directory permissions are too strict to enter it (which might be good)"
fi
else
else
LogText "Result: directory ${I} does not exist"
fi
done
@ -130,23 +133,27 @@
# /var/spool/cron/* and /var/spool/cron/crontabs/*
# Search only in one tree, to avoid searching the tree twice
if [ -d /var/spool/cron/crontabs ]; then
FIND=$(find /var/spool/cron/crontabs -type f -print)
FIND=$(${FINDBINARY} /var/spool/cron/crontabs -xdev -type f -print 2> /dev/null)
for I in ${FIND}; do
FindCronJob ${I}
for J in ${sCRONJOBS}; do
LogText "Found cronjob (/var/spool/cron/crontabs): ${I} (${J})"
Report "cronjob[]=${I}"
done
if FileIsReadable ${I}; then
FindCronJob ${I}
for J in ${sCRONJOBS}; do
LogText "Found cronjob (/var/spool/cron/crontabs): ${I} (${J})"
Report "cronjob[]=${I}"
done
fi
done
else
else
if [ -d /var/spool/cron ]; then
FIND=$(find /var/spool/cron -type f -print)
for I in ${FIND}; do
FindCronJob ${I}
for J in ${sCRONJOBS}; do
LogText "Found cronjob (/var/spool/cron): ${I} (${J})"
LogText "cronjob[]=${I}"
done
if FileIsReadable ${I}; then
FindCronJob ${I}
for J in ${sCRONJOBS}; do
LogText "Found cronjob (/var/spool/cron): ${I} (${J})"
LogText "cronjob[]=${I}"
done
fi
done
fi
fi
@ -156,11 +163,11 @@
if [ -f /etc/anacrontab ]; then
LogText "Test: checking anacrontab"
sANACRONJOBS=$(${EGREPBINARY} '^([0-9@])' /etc/anacrontab | ${TRBINARY} '\t' ' ' | ${TRBINARY} -s ' ' | ${TRBINARY} ' ' ',')
if [ ! "${sANACRONJOBS}" = "" ]; then
if [ ! -z "${sANACRONJOBS}" ]; then
Report "scheduler[]=anacron"
for J in ${sANACRONJOBS}; do
LogText "Found anacron job (/etc/anacrontab): ${J}"
Report "cronjob[]=${J}"
for I in ${sANACRONJOBS}; do
LogText "Found anacron job (/etc/anacrontab): ${I}"
Report "cronjob[]=${I}"
done
fi
fi
@ -187,12 +194,12 @@
if [ ${SKIPTEST} -eq 0 ]; then
LogText "Test: Checking atd status"
FIND=$(${PSBINARY} ax | ${GREPBINARY} "/atd" | ${GREPBINARY} -v "grep")
if [ ! "${FIND}" = "" ]; then
if [ ! -z "${FIND}" ]; then
LogText "Result: at daemon active"
Display --indent 2 --text "- Checking atd status" --result "${STATUS_RUNNING}" --color GREEN
ATD_RUNNING=1
Report "scheduler[]=atd"
else
else
LogText "Result: at daemon not active"
if IsVerbose; then Display --indent 2 --text "- Checking atd status" --result "${STATUS_NOT_RUNNING}" --color WHITE; fi
fi
@ -227,7 +234,7 @@
FIND=$(${SORTBINARY} ${AT_ALLOW})
if [ "${FIND}" = "" ]; then
LogText "Result: File empty, no users are allowed to schedule at jobs"
else
else
for I in ${FIND}; do
LogText "Allowed at user: ${I}"
done
@ -235,32 +242,32 @@
else
LogText "Result: can not read ${AT_ALLOW} (no permission)"
fi
else
LogText "Result: file ${AT_ALLOW} does not exist"
LogText "Test: checking for file ${AT_DENY}"
if [ -f ${AT_DENY} ]; then
FileIsReadable ${AT_DENY}
if [ ${CANREAD} -eq 1 ]; then
LogText "Result: file ${AT_DENY} exists, only non listed users can schedule at jobs"
FIND=$(${SORTBINARY} ${AT_DENY})
if [ "${FIND}" = "" ]; then
LogText "Result: file is empty, no users are denied access to schedule jobs"
else
for I in ${FIND}; do
LogText "Denied at user: ${I}"
done
fi
else
LogText "Result: can not read ${AT_DENY} (no permission)"
fi
else
LogText "Result: both ${AT_ALLOW} and ${AT_DENY} do not exist"
LogText "Note: only root can schedule at jobs"
AddHP 1 1
fi
else
LogText "Result: file ${AT_ALLOW} does not exist"
LogText "Test: checking for file ${AT_DENY}"
if [ -f ${AT_DENY} ]; then
FileIsReadable ${AT_DENY}
if [ ${CANREAD} -eq 1 ]; then
LogText "Result: file ${AT_DENY} exists, only non listed users can schedule at jobs"
FIND=$(${SORTBINARY} ${AT_DENY})
if [ "${FIND}" = "" ]; then
LogText "Result: file is empty, no users are denied access to schedule jobs"
else
for I in ${FIND}; do
LogText "Denied at user: ${I}"
done
fi
else
LogText "Result: can not read ${AT_DENY} (no permission)"
fi
else
LogText "Result: both ${AT_ALLOW} and ${AT_DENY} do not exist"
LogText "Note: only root can schedule at jobs"
AddHP 1 1
fi
fi
Display --indent 4 --text "- Checking at users" --result "${STATUS_DONE}" --color GREEN
else
else
Display --indent 4 --text "- Checking at users" --result "${STATUS_SKIPPED}" --color YELLOW
fi
fi
@ -281,7 +288,7 @@
LogText "Found at job: ${VALUE}"
done
Display --indent 4 --text "- Checking at jobs" --result "${STATUS_FOUND}" --color GREEN
else
else
LogText "Result: no pending at jobs"
Display --indent 4 --text "- Checking at jobs" --result "${STATUS_NONE}" --color GREEN
fi