more test cases

test/test-compcov.c

@@ -0,0 +1,29 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+
+int main(int argc, char** argv) {
+
+  char *buf;
+
+  if (argc > 1) {
+  
+    if (strcmp(argv[1], "LIBTOKENCAP") == 0)
+      printf("your string was libtokencap\n");
+    else if (strcmp(argv[1], "BUGMENOT") == 0)
+      printf("your string was bugmenot\n");
+    else if (strcmp(argv[1], "BUFFEROVERFLOW") == 0) {
+      buf = malloc(16);
+      strcpy(buf, "TEST");
+      strcat(buf, argv[1]);
+      printf("This will only crash with libdislocator: %s\n", buf);
+      return 0;
+    } else
+      printf("I do not know your string\n");
+  
+  }
+
+  return 0;
+
+}

test/test.sh

@@ -1,10 +1,11 @@
 #!/bin/bash
 
 #
-# Ensure we have: test, type, diff -q, echo -e, grep -qE
+# Ensure we have: test, type, diff -q, echo -e, grep -aqE, timeout
 #
 test -z "" 2> /dev/null || { echo Error: test command not found ; exit 1 ; }
 GREP=`type grep > /dev/null 2>&1 && echo OK`
+TIMEOUT=`type timeout > /dev/null 2>&1 && echo OK`
 test "$GREP" = OK || { echo Error: grep command not found ; exit 1 ; }
 echo foobar | grep -aqE 'asd|oob' 2> /dev/null || { echo Error: grep command does not support -q, -a and/or -E option ; exit 1 ; }
 echo 1 > test.1
@@ -24,6 +25,9 @@ $ECHO '\x41' 2>&1 | grep -qE '^A' || {
 }
 test -z "$ECHO" && { echo Error: echo command does not support -e option ; exit 1 ; }
 
+export AFL_EXIT_WHEN_DONE=1
+export AFL_SKIP_CPUFREQ=1
+
 GREY="\\x1b[1;90m"
 GREEN="\\x1b[0;32m"
 RED="\\x1b[0;31m"
@@ -36,39 +40,75 @@ 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-instr.harden ../test-instr.c > /dev/null 2>&1
   test -e test-instr.plain && {
-    $ECHO "$GREEN[*] afl-gcc compilation succeeded"
+    $ECHO "$GREEN[+] afl-gcc compilation succeeded"
     echo 0 | ../afl-showmap -o test-instr.plain.0 -r -- ./test-instr.plain > /dev/null 2>&1
     ../afl-showmap -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 -q 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"
-      } || $ECHO "$GREEN[*] afl-gcc instrumentation present and working correctly"
+      } || $ECHO "$GREEN[+] afl-gcc instrumentation present and working correctly"
     } || $ECHO "$RED[!] afl-gcc instrumentation failed"
-    rm -f test-instr.plain test-instr.plain.0 test-instr.plain.1
+    rm -f test-instr.plain.0 test-instr.plain.1
   } || $ECHO "$RED[!] afl-gcc failed"
   test -e test-instr.harden && {
     grep -qa fstack-protector-all test-instr.harden > /dev/null 2>&1 && {
-      $ECHO "$GREEN[*] afl-gcc hardened mode succeeded and is working"
+      $ECHO "$GREEN[+] afl-gcc hardened mode succeeded and is working"
     } || $ECHO "$RED[!] hardened mode is not hardened"
     rm -f test-instr.harden
   } || $ECHO "$RED[!] afl-gcc hardened mode compilation failed"
-  
+  # now we want to be sure that afl-fuzz is working  
-
+  test -n "$TIMEOUT" && {
+    mkdir -p in
+    echo 0 > in/in
+    $ECHO "$GREY[*] running afl-fuzz, this will take approx 10 seconds"
+    {
+      timeout -s KILL 10 ../afl-fuzz -i in -o out -- ./test-instr.plain > /dev/null 2>&1
+    } > /dev/null 2>&1
+    test -n "$( ls out/queue/id:000002* 2> /dev/null )" && {
+      $ECHO "$GREEN[+] afl-fuzz is working correctly"
+    } || $ECHO "$RED[!] afl-fuzz is not working correctly"
+    rm -rf in out
+  } || $ECHO "$YELLOW[-] we cannot test afl-fuzz because we are missing the timeout command"
+  rm -f test-instr.plain
 } || $ECHO "$YELLOW[-] afl is not compiled, cannot test"
 
 test -e ../afl-clang-fast && {
-  echo todo: llvm_mode
 
+  echo todo: llvm_mode
 
 } || $ECHO "$YELLOW[-] llvm_mode not compiled, cannot test"
 
-test -e ../libtokencap.so && {
+gcc -o test-compcov test-compcov.c > /dev/null 2>&1
-  echo todo: libtokencap
 
+test -e ../libtokencap.so && {
+  AFL_TOKEN_FILE=token.out LD_PRELOAD=../libtokencap.so ./test-compcov foobar > /dev/null 2>&1
+  grep -q BUGMENOT token.out > /dev/null 2>&1 && {
+    $ECHO "$GREEN[+] libtokencap did successfully capture tokens"
+  } || $ECHO "$RED[!] libtokencap did not capture tokens"
+  rm -f token.out
 } || $ECHO "$YELLOW[-] libtokencap is not compiled, cannot test"
 
+test -e ../libdislocator.so && {
+  {
+    ulimit -c 1
+    LD_PRELOAD=../libdislocator.so ./test-compcov BUFFEROVERFLOW > test.out 2> /dev/null
+  } > /dev/null 2>&1
+  grep -q BUFFEROVERFLOW test.out > /dev/null 2>&1 && {
+    $ECHO "$RED[!] libdislocator did not detect the memory corruption"
+  } || $ECHO "$GREEN[+] libdislocator did successfully detect the memory corruption" 
+  rm -f test.out core test-compcov.core core.test-compcov
+} || $ECHO "$YELLOW[-] libdislocator is not compiled, cannot test"
+
+test -e ../afl-qemu-trace && {
+
+  echo todo: qemu_mode
+  # we will use test-compcov for testing libcompcov
+
+} || $ECHO "$YELLOW[-] qemu_mode is not compiled, cannot test"
+
+rm -f test-compcov
+
+$ECHO "$GREY[*] all tests completed!"
 $ECHO "$RESET"
 
-# libdislocator
+# unicorn_mode ?
-# unicorn
-# qemu