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 CONFIG_BRIDGE
  22 CONFIG_NETFILTER_XT_TARGET_CHECKSUM
  23 "
  24
  25 CONFIGS_OFF="
  26 "
  27
  28 CONFIGS_EQ="
  29 CONFIG_ANDROID_BINDER_DEVICES=\"binder,hwbinder,vndbinder,anbox-binder,anbox-hwbinder,anbox-vndbinder\"
  30 "
  31 ered() {
  32         echo -e "\033[31m" $@
  33 }
  34
  35 egreen() {
  36         echo -e "\033[32m" $@
  37 }
  38
  39 ewhite() {
  40         echo -e "\033[37m" $@
  41 }
  42
  43 echo -e "\n\nChecking config file for Halium specific config options.\n\n"
  44
  45 errors=0
  46 fixes=0
  47
  48 for c in $CONFIGS_ON $CONFIGS_OFF;do
  49         cnt=`grep -w -c $c $FILE`
  50         if [ $cnt -gt 1 ];then
  51                 ered "$c appears more than once in the config file, fix this"
  52                 errors=$((errors+1))
  53         fi
  54
  55         if [ $cnt -eq 0 ];then
  56                 if $write ; then
  57                         ewhite "Creating $c"
  58                         echo "# $c is not set" >> "$FILE"
  59                         fixes=$((fixes+1))
  60                 else
  61                         ered "$c is neither enabled nor disabled in the config file"
  62                         errors=$((errors+1))
  63                 fi
  64         fi
  65 done
  66
  67 for c in $CONFIGS_ON;do
  68         if grep "$c=y\|$c=m" "$FILE" >/dev/null;then
  69                 egreen "$c is already set"
  70         else
  71                 if $write ; then
  72                         ewhite "Setting $c"
  73                         sed  -i "s,# $c is not set,$c=y," "$FILE"
  74                         fixes=$((fixes+1))
  75                 else
  76                         ered "$c is not set, set it"
  77                         errors=$((errors+1))
  78                 fi
  79         fi
  80 done
  81
  82 for c in $CONFIGS_EQ;do
  83         lhs=$(awk -F= '{ print $1 }' <(echo $c))
  84         rhs=$(awk -F= '{ print $2 }' <(echo $c))
  85         if grep "^$c" "$FILE" >/dev/null;then
  86                 egreen "$c is already set correctly."
  87                 continue
  88         elif grep "^$lhs" "$FILE" >/dev/null;then
  89                 cur=$(awk -F= '{ print $2 }' <(grep "$lhs" "$FILE"))
  90                 ered "$lhs is set, but to $cur not $rhs."
  91                 if $write ; then
  92                         egreen "Setting $c correctly"
  93                         sed -i 's,^'"$lhs"'.*,# '"$lhs"' was '"$cur"'\n'"$c"',' "$FILE"
  94                         fixes=$((fixes+1))
  95                 fi
  96         else
  97                 if $write ; then
  98                         ewhite "Setting $c"
  99                         echo  "$c" >> "$FILE"
 100                         fixes=$((fixes+1))
 101                 else
 102                         ered "$c is not set"
 103                         errors=$((errors+1))
 104                 fi
 105         fi
 106 done
 107
 108 for c in $CONFIGS_OFF;do
 109         if grep "$c=y\|$c=m" "$FILE" >/dev/null;then
 110                 if $write ; then
 111                         ewhite "Unsetting $c"
 112                         sed  -i "s,$c=.*,# $c is not set," $FILE
 113                         fixes=$((fixes+1))
 114                 else
 115                         ered "$c is set, unset it"
 116                         errors=$((errors+1))
 117                 fi
 118         else
 119                 egreen "$c is already unset"
 120         fi
 121 done
 122
 123 if [ $errors -eq 0 ];then
 124         egreen "\n\nConfig file checked, found no errors.\n\n"
 125 else
 126         ered "\n\nConfig file checked, found $errors errors that I did not fix.\n\n"
 127 fi
 128
 129 if [ $fixes -gt 0 ];then
 130         egreen "Made $fixes fixes.\n\n"
 131 fi
 132
 133 ewhite " "