scripts/check-kernel-config.sh

   1 #!/bin/bash
   2
   3 FILE=$1
   4
   5 [ -f "$FILE" ] || {
   6         echo "Provide a config file as argument"
   7         exit
   8 }
   9
  10 write=false
  11
  12 if [ "$2" = "-w" ]; then
  13         write=true
  14 fi
  15
  16 CONFIGS_ON="
  17 CONFIG_SW_SYNC_USER
  18 CONFIG_NET_CLS_CGROUP
  19 CONFIG_CGROUP_NET_CLASSID
  20 CONFIG_VETH
  21 "
  22
  23 CONFIGS_OFF="
  24 "
  25
  26 CONFIGS_EQ="
  27 CONFIG_ANDROID_BINDER_DEVICES=\"binder,hwbinder,vndbinder,anbox-binder,anbox-hwbinder,anbox-vndbinder\"
  28 "
  29 ered() {
  30         echo -e "\033[31m" $@
  31 }
  32
  33 egreen() {
  34         echo -e "\033[32m" $@
  35 }
  36
  37 ewhite() {
  38         echo -e "\033[37m" $@
  39 }
  40
  41 echo -e "\n\nChecking config file for Halium specific config options.\n\n"
  42
  43 errors=0
  44 fixes=0
  45
  46 for c in $CONFIGS_ON $CONFIGS_OFF;do
  47         cnt=`grep -w -c $c $FILE`
  48         if [ $cnt -gt 1 ];then
  49                 ered "$c appears more than once in the config file, fix this"
  50                 errors=$((errors+1))
  51         fi
  52
  53         if [ $cnt -eq 0 ];then
  54                 if $write ; then
  55                         ewhite "Creating $c"
  56                         echo "# $c is not set" >> "$FILE"
  57                         fixes=$((fixes+1))
  58                 else
  59                         ered "$c is neither enabled nor disabled in the config file"
  60                         errors=$((errors+1))
  61                 fi
  62         fi
  63 done
  64
  65 for c in $CONFIGS_ON;do
  66         if grep "$c=y\|$c=m" "$FILE" >/dev/null;then
  67                 egreen "$c is already set"
  68         else
  69                 if $write ; then
  70                         ewhite "Setting $c"
  71                         sed  -i "s,# $c is not set,$c=y," "$FILE"
  72                         fixes=$((fixes+1))
  73                 else
  74                         ered "$c is not set, set it"
  75                         errors=$((errors+1))
  76                 fi
  77         fi
  78 done
  79
  80 for c in $CONFIGS_EQ;do
  81         lhs=$(awk -F= '{ print $1 }' <(echo $c))
  82         rhs=$(awk -F= '{ print $2 }' <(echo $c))
  83         if grep "^$c" "$FILE" >/dev/null;then
  84                 egreen "$c is already set correctly."
  85                 continue
  86         elif grep "^$lhs" "$FILE" >/dev/null;then
  87                 cur=$(awk -F= '{ print $2 }' <(grep "$lhs" "$FILE"))
  88                 ered "$lhs is set, but to $cur not $rhs."
  89                 if $write ; then
  90                         egreen "Setting $c correctly"
  91                         sed -i 's,^'"$lhs"'.*,# '"$lhs"' was '"$cur"'\n'"$c"',' "$FILE"
  92                         fixes=$((fixes+1))
  93                 fi
  94         else
  95                 if $write ; then
  96                         ewhite "Setting $c"
  97                         echo  "$c" >> "$FILE"
  98                         fixes=$((fixes+1))
  99                 else
 100                         ered "$c is not set"
 101                         errors=$((errors+1))
 102                 fi
 103         fi
 104 done
 105
 106 for c in $CONFIGS_OFF;do
 107         if grep "$c=y\|$c=m" "$FILE" >/dev/null;then
 108                 if $write ; then
 109                         ewhite "Unsetting $c"
 110                         sed  -i "s,$c=.*,# $c is not set," $FILE
 111                         fixes=$((fixes+1))
 112                 else
 113                         ered "$c is set, unset it"
 114                         errors=$((errors+1))
 115                 fi
 116         else
 117                 egreen "$c is already unset"
 118         fi
 119 done
 120
 121 if [ $errors -eq 0 ];then
 122         egreen "\n\nConfig file checked, found no errors.\n\n"
 123 else
 124         ered "\n\nConfig file checked, found $errors errors that I did not fix.\n\n"
 125 fi
 126
 127 if [ $fixes -gt 0 ];then
 128         egreen "Made $fixes fixes.\n\n"
 129 fi
 130
 131 ewhite " "