#!/bin/sh

. ./test-pre.sh

$ECHO "$BLUE[*] Testing: ${AFL_GCC}, afl-showmap, afl-fuzz, afl-cmin and afl-tmin"
test "$SYS" = "i686" -o "$SYS" = "x86_64" -o "$SYS" = "amd64" -o "$SYS" = "i86pc" -o "$SYS" = "i386" && {
 test -e ../${AFL_GCC} -a -e ../afl-showmap -a -e ../afl-fuzz && {
  ../${AFL_GCC} -o test-instr.plain ../test-instr.c > /dev/null 2>&1
  AFL_HARDEN=1 ../${AFL_GCC} -o test-compcov.harden test-compcov.c > /dev/null 2>&1
  test -e test-instr.plain && {
    $ECHO "$GREEN[+] ${AFL_GCC} compilation succeeded"
    echo 0 | ../afl-showmap -m ${MEM_LIMIT} -o test-instr.plain.0 -r -- ./test-instr.plain > /dev/null 2>&1
    ../afl-showmap -m ${MEM_LIMIT} -o test-instr.plain.1 -r -- ./test-instr.plain < /dev/null > /dev/null 2>&1
    test -e test-instr.plain.0 -a -e test-instr.plain.1 && {
      diff test-instr.plain.0 test-instr.plain.1 > /dev/null 2>&1 && {
        $ECHO "$RED[!] ${AFL_GCC} instrumentation should be different on different input but is not"
        CODE=1
      } || {
        $ECHO "$GREEN[+] ${AFL_GCC} instrumentation present and working correctly"
      }
    } || {
      $ECHO "$RED[!] ${AFL_GCC} instrumentation failed"
      CODE=1
    }
    rm -f test-instr.plain.0 test-instr.plain.1
    TUPLES=`echo 0|../afl-showmap -m ${MEM_LIMIT} -o /dev/null -- ./test-instr.plain 2>&1 | grep Captur | awk '{print$3}'`
    test "$TUPLES" -gt 3 -a "$TUPLES" -lt 11 && {
      $ECHO "$GREEN[+] ${AFL_GCC} run reported $TUPLES instrumented locations which is fine"
    } || {
      $ECHO "$RED[!] ${AFL_GCC} instrumentation produces weird numbers: $TUPLES"
      CODE=1
    }
  } || {
    $ECHO "$RED[!] ${AFL_GCC} failed"
    echo CUT------------------------------------------------------------------CUT
    uname -a
    ../${AFL_GCC} -o test-instr.plain ../test-instr.c
    echo CUT------------------------------------------------------------------CUT
    CODE=1
  }
  test -e test-compcov.harden && {
    grep -Eq$GREPAOPTION 'stack_chk_fail|fstack-protector-all|fortified' test-compcov.harden > /dev/null 2>&1 && {
      $ECHO "$GREEN[+] ${AFL_GCC} hardened mode succeeded and is working"
    } || {
      $ECHO "$RED[!] ${AFL_GCC} hardened mode is not hardened"
      CODE=1
    }
    rm -f test-compcov.harden
  } || {
    $ECHO "$RED[!] ${AFL_GCC} hardened mode compilation failed"
    CODE=1
  }
  # now we want to be sure that afl-fuzz is working
  # make sure core_pattern is set to core on linux
  (test "$(uname -s)" = "Linux" && test "$(sysctl kernel.core_pattern)" != "kernel.core_pattern = core" && {
    $ECHO "$YELLOW[-] we should not run afl-fuzz with enabled core dumps. Run 'sudo sh afl-system-config'.$RESET"
    true
  }) ||
  # make sure crash reporter is disabled on Mac OS X
  (test "$(uname -s)" = "Darwin" && test $(launchctl list 2>/dev/null | grep -q '\.ReportCrash$') && {
    $ECHO "$RED[!] we cannot run afl-fuzz with enabled crash reporter. Run 'sudo sh afl-system-config'.$RESET"
    true
  }) || {
    mkdir -p in
    echo 0 > in/in
    $ECHO "$GREY[*] running afl-fuzz for ${AFL_GCC}, this will take approx 10 seconds"
    {
      ../afl-fuzz -V10 -m ${MEM_LIMIT} -i in -o out -- ./test-instr.plain >>errors 2>&1
    } >>errors 2>&1
    test -n "$( ls out/queue/id:000002* 2>/dev/null )" && {
      $ECHO "$GREEN[+] afl-fuzz is working correctly with ${AFL_GCC}"
    } || {
      echo CUT------------------------------------------------------------------CUT
      cat errors
      echo CUT------------------------------------------------------------------CUT
      $ECHO "$RED[!] afl-fuzz is not working correctly with ${AFL_GCC}"
      CODE=1
    }
    echo 000000000000000000000000 > in/in2
    echo 111 > in/in3
    mkdir -p in2
    ../afl-cmin -m ${MEM_LIMIT} -i in -o in2 -- ./test-instr.plain >/dev/null 2>&1 # why is afl-forkserver writing to stderr?
    CNT=`ls in2/* 2>/dev/null | wc -l`
    case "$CNT" in
      *2) $ECHO "$GREEN[+] afl-cmin correctly minimized the number of testcases" ;;
      *)  $ECHO "$RED[!] afl-cmin did not correctly minimize the number of testcases ($CNT)"
          CODE=1
          ;;
    esac
    rm -f in2/in*
    export AFL_QUIET=1
    if command -v bash >/dev/null ; then {
      ../afl-cmin.bash -m ${MEM_LIMIT} -i in -o in2 -- ./test-instr.plain >/dev/null
      CNT=`ls in2/* 2>/dev/null | wc -l`
      case "$CNT" in
        *2) $ECHO "$GREEN[+] afl-cmin.bash correctly minimized the number of testcases" ;;
        *)  $ECHO "$RED[!] afl-cmin.bash did not correctly minimize the number of testcases ($CNT)"
            CODE=1
            ;;
        esac
    } else {
      $ECHO "$GRAY[*] no bash available, cannot test afl-cmin.bash"
    }
    fi
    ../afl-tmin -m ${MEM_LIMIT} -i in/in2 -o in2/in2 -- ./test-instr.plain > /dev/null 2>&1
    SIZE=`ls -l in2/in2 2>/dev/null | awk '{print$5}'`
    test "$SIZE" = 1 && $ECHO "$GREEN[+] afl-tmin correctly minimized the testcase"
    test "$SIZE" = 1 || {
       $ECHO "$RED[!] afl-tmin did incorrectly minimize the testcase to $SIZE"
       CODE=1
    }
    rm -rf in out errors in2
    unset AFL_QUIET
  }
  rm -f test-instr.plain
 } || {
  $ECHO "$YELLOW[-] afl is not compiled, cannot test"
  INCOMPLETE=1
 }
} || {
 $ECHO "$GREY[[*] not an intel platform, skipped tests of afl-gcc"
 #this is not incomplete as this feature doesnt exist, so all good
 AFL_TEST_COUNT=$((AFL_TEST_COUNT-1))
}

. ./test-post.sh