egrep -> grep -e

GNUmakefile.llvm

@@ -45,11 +45,11 @@ endif
 LLVMVER  = $(shell $(LLVM_CONFIG) --version 2>/dev/null | sed 's/git//' | sed 's/svn//' )
 LLVM_MAJOR = $(shell $(LLVM_CONFIG) --version 2>/dev/null | sed 's/\..*//' )
 LLVM_MINOR = $(shell $(LLVM_CONFIG) --version 2>/dev/null | sed 's/.*\.//' | sed 's/git//' | sed 's/svn//' | sed 's/ .*//' )
-LLVM_UNSUPPORTED = $(shell $(LLVM_CONFIG) --version 2>/dev/null | egrep -q '^[0-2]\.|^3.[0-7]\.' && echo 1 || echo 0 )
-LLVM_TOO_NEW = $(shell $(LLVM_CONFIG) --version 2>/dev/null | egrep -q '^1[5-9]' && echo 1 || echo 0 )
-LLVM_NEW_API = $(shell $(LLVM_CONFIG) --version 2>/dev/null | egrep -q '^1[0-9]' && echo 1 || echo 0 )
-LLVM_10_OK = $(shell $(LLVM_CONFIG) --version 2>/dev/null | egrep -q '^1[1-9]|^10\.[1-9]|^10\.0.[1-9]' && echo 1 || echo 0 )
-LLVM_HAVE_LTO = $(shell $(LLVM_CONFIG) --version 2>/dev/null | egrep -q '^1[1-9]' && echo 1 || echo 0 )
+LLVM_UNSUPPORTED = $(shell $(LLVM_CONFIG) --version 2>/dev/null | grep -E -q '^[0-2]\.|^3.[0-7]\.' && echo 1 || echo 0 )
+LLVM_TOO_NEW = $(shell $(LLVM_CONFIG) --version 2>/dev/null | grep -E -q '^1[5-9]' && echo 1 || echo 0 )
+LLVM_NEW_API = $(shell $(LLVM_CONFIG) --version 2>/dev/null | grep -E -q '^1[0-9]' && echo 1 || echo 0 )
+LLVM_10_OK = $(shell $(LLVM_CONFIG) --version 2>/dev/null | grep -E -q '^1[1-9]|^10\.[1-9]|^10\.0.[1-9]' && echo 1 || echo 0 )
+LLVM_HAVE_LTO = $(shell $(LLVM_CONFIG) --version 2>/dev/null | grep -E -q '^1[1-9]' && echo 1 || echo 0 )
 LLVM_BINDIR = $(shell $(LLVM_CONFIG) --bindir 2>/dev/null)
 LLVM_LIBDIR = $(shell $(LLVM_CONFIG) --libdir 2>/dev/null)
 LLVM_STDCXX = gnu++11

afl-persistent-config

@@ -111,11 +111,11 @@ kernel.sched_latency_ns=250000000
 EOF
   }
 
-  egrep -q '^GRUB_CMDLINE_LINUX_DEFAULT=' /etc/default/grub 2>/dev/null || echo Error: /etc/default/grub with GRUB_CMDLINE_LINUX_DEFAULT is not present, cannot set boot options
-  egrep -q '^GRUB_CMDLINE_LINUX_DEFAULT=' /etc/default/grub 2>/dev/null && {
-    egrep '^GRUB_CMDLINE_LINUX_DEFAULT=' /etc/default/grub | egrep -q hardened_usercopy=off || {
+  grep -E -q '^GRUB_CMDLINE_LINUX_DEFAULT=' /etc/default/grub 2>/dev/null || echo Error: /etc/default/grub with GRUB_CMDLINE_LINUX_DEFAULT is not present, cannot set boot options
+  grep -E -q '^GRUB_CMDLINE_LINUX_DEFAULT=' /etc/default/grub 2>/dev/null && {
+    grep -E '^GRUB_CMDLINE_LINUX_DEFAULT=' /etc/default/grub | grep -E -q hardened_usercopy=off || {
       echo "Configuring performance boot options"
-      LINE=`egrep '^GRUB_CMDLINE_LINUX_DEFAULT=' /etc/default/grub | sed 's/^GRUB_CMDLINE_LINUX_DEFAULT=//' | tr -d '"'`
+      LINE=`grep -E '^GRUB_CMDLINE_LINUX_DEFAULT=' /etc/default/grub | sed 's/^GRUB_CMDLINE_LINUX_DEFAULT=//' | tr -d '"'`
       OPTIONS="$LINE ibpb=off ibrs=off kpti=off l1tf=off mds=off mitigations=off no_stf_barrier noibpb noibrs nopcid nopti nospec_store_bypass_disable nospectre_v1 nospectre_v2 pcid=off pti=off spec_store_bypass_disable=off spectre_v2=off stf_barrier=off srbds=off noexec=off noexec32=off tsx=on tsx=on tsx_async_abort=off mitigations=off audit=0 hardened_usercopy=off ssbd=force-off"
       echo Setting boot options in /etc/default/grub to GRUB_CMDLINE_LINUX_DEFAULT=\"$OPTIONS\"
       sed -i "s|^GRUB_CMDLINE_LINUX_DEFAULT=.*|GRUB_CMDLINE_LINUX_DEFAULT=\"$OPTIONS\"|" /etc/default/grub

afl-system-config

@@ -47,7 +47,7 @@ if [ "$PLATFORM" = "Linux" ] ; then
 } > /dev/null
   echo Settings applied.
   echo
-  dmesg | egrep -q 'nospectre_v2|spectre_v2=off' || {
+  dmesg | grep -E -q 'nospectre_v2|spectre_v2=off' || {
     echo It is recommended to boot the kernel with lots of security off - if you are running a machine that is in a secured network - so set this:
     echo '  /etc/default/grub:GRUB_CMDLINE_LINUX_DEFAULT="ibpb=off ibrs=off kpti=0 l1tf=off mds=off mitigations=off no_stf_barrier noibpb noibrs nopcid nopti nospec_store_bypass_disable nospectre_v1 nospectre_v2 pcid=off pti=off spec_store_bypass_disable=off spectre_v2=off stf_barrier=off srbds=off noexec=off noexec32=off tsx=on tsx_async_abort=off arm64.nopauth audit=0 hardened_usercopy=off ssbd=force-off"'
     echo

frida_mode/update_frida_version.sh

@@ -1,8 +1,8 @@
 #!/bin/sh
 test -n "$1" && { echo This script has no options. It updates the referenced Frida version in GNUmakefile to the most current one. ; exit 1 ; }
 
-OLD=$(egrep '^GUM_DEVKIT_VERSION=' GNUmakefile 2>/dev/null|awk -F= '{print$2}')
-NEW=$(curl https://github.com/frida/frida/releases/ 2>/dev/null|egrep 'frida-gum-devkit-[0-9.]*-linux-x86_64'|head -n 1|sed 's/.*frida-gum-devkit-//'|sed 's/-linux.*//')
+OLD=$(grep -E '^GUM_DEVKIT_VERSION=' GNUmakefile 2>/dev/null|awk -F= '{print$2}')
+NEW=$(curl https://github.com/frida/frida/releases/ 2>/dev/null|grep -E 'frida-gum-devkit-[0-9.]*-linux-x86_64'|head -n 1|sed 's/.*frida-gum-devkit-//'|sed 's/-linux.*//')
 
 echo Current set version: $OLD
 echo Newest available version: $NEW

test/test-basic.sh

@@ -48,7 +48,7 @@ test "$SYS" = "i686" -o "$SYS" = "x86_64" -o "$SYS" = "amd64" -o "$SYS" = "i86pc
       $ECHO "$GREEN[+] ${AFL_GCC} hardened mode succeeded and is working"
     } || {
       $ECHO "$RED[!] ${AFL_GCC} hardened mode is not hardened"
-      env | egrep 'AFL|PATH|LLVM'
+      env | grep -E 'AFL|PATH|LLVM'
       AFL_DEBUG=1 AFL_HARDEN=1 ../${AFL_GCC} -o test-compcov.harden test-compcov.c
       nm test-compcov.harden
       CODE=1

utils/analysis_scripts/queue2csv.sh

@@ -92,14 +92,14 @@ mkdir "$DIR" || exit 1
 
 if [ -n "$3" -a -s "$DIR/../edges.txt" ]; then
 
-  cat "$DIR/"* | sed 's/:.*//' | sort -n | uniq -c | egrep '^[ \t]*1 ' | awk '{print$2}' > $DIR/../unique.txt
+  cat "$DIR/"* | sed 's/:.*//' | sort -n | uniq -c | grep -E '^[ \t]*1 ' | awk '{print$2}' > $DIR/../unique.txt
 
   if [ -s "$DIR/../unique.txt" ]; then
 
     ls "$DIR/id:"* | grep -v ",sync:" |sed 's/.*\/id:/id:/g' | while read file; do
 
       CNT=$(sed 's/:.*//' "$DIR/$file" | tee "$DIR/../tmp.txt" | wc -l)
-      DIFF=$(diff -u "$DIR/../tmp.txt" "$DIR/../unique.txt" | egrep '^-[0-9]' | wc -l)
+      DIFF=$(diff -u "$DIR/../tmp.txt" "$DIR/../unique.txt" | grep -E '^-[0-9]' | wc -l)
       UNIQUE=$(($CNT - $DIFF))
       sed -i "s/;UNIQUE$file/;$UNIQUE/" "$DIR/../queue.csv" "$2"