mirror of https://github.com/CISOfy/lynis.git
Moved function
This commit is contained in:
Michael Boelen
parent
13a4dff7fe
commit
95e9e80834
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@ -210,90 +210,6 @@
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}
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################################################################################
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# Name : HasCorrectFilePermissions()
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# Description : Check file permissions
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#
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# Parameters : $1 = Full path to file or directory
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# $2 = Permissions
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# Returns : exit code (0 = correct, 1 = not correct, 2 = file does not exist)
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################################################################################
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HasCorrectFilePermissions() {
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if [ $# -ne 2 ]; then Fatal "Incorrect usage of HasCorrectFilePermissions"; fi
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CHECKFILE="$1"
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CHECKPERMISSION_FULL="$2"
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if [ ! -d ${CHECKFILE} -a ! -f ${CHECKFILE} ]; then
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return 2
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else
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for CHECK_PERMISSION in ${CHECKPERMISSION_FULL}; do
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DATA=$(echo ${CHECK_PERMISSION} | ${EGREPBINARY} "[rwx]")
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if [ $? -eq 0 ]; then
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# add a dummy character as first character so it looks like output is a normal file
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CHECK_PERMISSION=$(echo "-${CHECK_PERMISSION}" | ${AWKBINARY} '{k=0;for(i=0;i<=8;i++)k+=((substr($1,i+2,1)~/[rwx]/)*2^(8-i));if(k)printf("%0o",k)}')
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fi
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# First try stat command
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LogText "Test: checking if file ${CHECKFILE} is ${CHECK_PERMISSION}"
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if [ -n "${STATBINARY}" ]; then
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# busybox does not support format
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if [ ${SHELL_IS_BUSYBOX} -eq 0 ]; then
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DATA=$(${STATBINARY} --format=%a ${CHECKFILE})
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fi
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fi
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# See if we can use the find binary
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if [ -z "${DATA}" ]; then
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case ${OS} in
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"AIX")
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Debug "Skipping find command, as AIX does not support -printf"
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;;
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*)
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# Only use find when OS is NOT AIX and binaries are NOT busybox
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if [ ${SHELL_IS_BUSYBOX} -eq 0 ]; then
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DATA=$(${FINDBINARY} ${CHECKFILE} -printf "%m")
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fi
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;;
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esac
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fi
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# Finally use ls command
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if [ -z "${DATA}" ]; then
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# If 'file' is an directory, use -d
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if [ -d ${CHECKFILE} ]; then
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DATA=$(${LSBINARY} -d -l ${CHECKFILE} | cut -c 2-10)
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else
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DATA=$(${LSBINARY} -l ${CHECKFILE} | cut -c 2-10)
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fi
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fi
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# Convert permissions to octal when needed
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case ${DATA} in
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"r"|"w"|"x"|"-")
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LogText "Converting value ${DATA} to octal"
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DATA=$(echo ${DATA} | ${AWKBINARY} '{k=0;for(i=0;i<=8;i++)k+=((substr($1,i+2,1)~/[rwx]/)*2^(8-i));if(k)printf("%0o",k)}')
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if [ "${DATA}" = "0" ]; then DATA="000"; fi
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;;
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esac
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if [ -n "${DATA}" ]; then
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if [ "${DATA}" = "${CHECK_PERMISSION}" ]; then
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LogText "Outcome: correct permissions (${DATA})"
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return 0
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fi
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else
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ReportException "HasCorrectFilePermissions:02" "No data value found, which is unexpected"
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fi
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done
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LogText "Outcome: permissions of file ${CHECKFILE} are not matching expected value (${DATA} != ${CHECKPERMISSION_FULL})"
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# No match, return exit code 1
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return 1
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fi
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}
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################################################################################
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# Name : CheckItem()
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# Description : Check if a specific item exists in the report
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@ -1342,6 +1258,89 @@
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}
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################################################################################
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# Name : HasCorrectFilePermissions()
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# Description : Check file permissions
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#
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# Parameters : $1 = Full path to file or directory
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# $2 = Permissions
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# Returns : exit code (0 = correct, 1 = not correct, 2 = file does not exist)
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################################################################################
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HasCorrectFilePermissions() {
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if [ $# -ne 2 ]; then Fatal "Incorrect usage of HasCorrectFilePermissions"; fi
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CHECKFILE="$1"
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CHECKPERMISSION_FULL="$2"
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if [ ! -d ${CHECKFILE} -a ! -f ${CHECKFILE} ]; then
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return 2
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else
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for CHECK_PERMISSION in ${CHECKPERMISSION_FULL}; do
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DATA=$(echo ${CHECK_PERMISSION} | ${EGREPBINARY} "[rwx]")
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if [ $? -eq 0 ]; then
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# add a dummy character as first character so it looks like output is a normal file
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CHECK_PERMISSION=$(echo "-${CHECK_PERMISSION}" | ${AWKBINARY} '{k=0;for(i=0;i<=8;i++)k+=((substr($1,i+2,1)~/[rwx]/)*2^(8-i));if(k)printf("%0o",k)}')
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fi
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# First try stat command
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LogText "Test: checking if file ${CHECKFILE} is ${CHECK_PERMISSION}"
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if [ -n "${STATBINARY}" ]; then
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# busybox does not support format
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if [ ${SHELL_IS_BUSYBOX} -eq 0 ]; then
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DATA=$(${STATBINARY} --format=%a ${CHECKFILE})
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fi
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fi
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# See if we can use the find binary
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if [ -z "${DATA}" ]; then
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case ${OS} in
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"AIX")
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Debug "Skipping find command, as AIX does not support -printf"
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;;
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*)
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# Only use find when OS is NOT AIX and binaries are NOT busybox
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if [ ${SHELL_IS_BUSYBOX} -eq 0 ]; then
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DATA=$(${FINDBINARY} ${CHECKFILE} -printf "%m")
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fi
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;;
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esac
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fi
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# Finally use ls command
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if [ -z "${DATA}" ]; then
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# If 'file' is an directory, use -d
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if [ -d ${CHECKFILE} ]; then
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DATA=$(${LSBINARY} -d -l ${CHECKFILE} | cut -c 2-10)
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else
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DATA=$(${LSBINARY} -l ${CHECKFILE} | cut -c 2-10)
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fi
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fi
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# Convert permissions to octal when needed
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case ${DATA} in
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"r"|"w"|"x"|"-")
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LogText "Converting value ${DATA} to octal"
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DATA=$(echo ${DATA} | ${AWKBINARY} '{k=0;for(i=0;i<=8;i++)k+=((substr($1,i+2,1)~/[rwx]/)*2^(8-i));if(k)printf("%0o",k)}')
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if [ "${DATA}" = "0" ]; then DATA="000"; fi
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;;
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esac
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if [ -n "${DATA}" ]; then
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if [ "${DATA}" = "${CHECK_PERMISSION}" ]; then
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LogText "Outcome: correct permissions (${DATA})"
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return 0
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fi
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else
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ReportException "HasCorrectFilePermissions:02" "No data value found, which is unexpected"
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fi
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done
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LogText "Outcome: permissions of file ${CHECKFILE} are not matching expected value (${DATA} != ${CHECKPERMISSION_FULL})"
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# No match, return exit code 1
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return 1
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fi
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}
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################################################################################
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# Name : HasData()
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# Description : Check for a filled variable
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