X-Git-Url: https://vcs.maemo.org/git/?a=blobdiff_plain;f=debian%2Fbusybox-power.prerm;h=a0d4ea18e79dea8733927588e208f30a1edd8554;hb=a0c5fb1815310c6b931164d37db84e9efe9c5aa1;hp=e7314d599864518b40b464bfc767e4e28dcd1a0c;hpb=f401fb3a2c91b74e43c214667750941ae95e89be;p=busybox-power

diff --git a/debian/busybox-power.prerm b/debian/busybox-power.prerm
index e7314d5..a0d4ea1 100644
--- a/debian/busybox-power.prerm
+++ b/debian/busybox-power.prerm
@@ -50,17 +50,17 @@ CHECK_BACKUP() {
           if test "`cat $INSTALLDIR/busybox.distrib.version`" == "`GETBBVERSION`"; then
             # The backup has been changed whilst busybox hasn't been upgraded
             echo -e "Warning: the backup of the original BusyBox binary has" \
-              "been modified since installing busybox-power (invalid SHA1" \
-              "checksum). Do not continue unless you're sure that $DISTBIN" \
-              "is not corrupted.\n" >> /tmp/busybox-power-error
+              "been modified since installing busybox-power. Do not continue" \
+              "unless you're sure that $DISTBIN is not corrupted.\n" \
+              >> /tmp/busybox-power-error
           fi
         else
           echo -e "Warning: the backup of the original BusyBox binary has" \
-          "been modified since installing busybox-power (invalid SHA1" \
-          "checksum). We could not determine whether this is due to a BusyBox" \
-          "upgrade (e.g. by an (C)SSU update) or not. Do not continue unless" \
-          "either the latter is the case, or you're via other ways sure that" \
-          "$DISTBIN is not corrupted.\n" >> /tmp/busybox-power-error
+          "been modified since installing busybox-power. We could not" \
+          "determine whether this is due to a BusyBox upgrade (e.g. by an" \
+          "(C)SSU update) or not. Do not continue unless either the latter is" \
+          "the case, or you're via other ways sure that $DISTBIN is not" \
+          "corrupted.\n" >> /tmp/busybox-power-error
         fi
       fi
     else
@@ -71,13 +71,32 @@ CHECK_BACKUP() {
 }
 
 # Check whether /bin/busybox has been modified after bb-power's installation
+# This always happens on Harmattan when it receives a BusyBox upgrade;
+# dpkg-divert is disallowed on that platform
 CHECK_INSTALLEDBIN() {
     if test "$INSTBINARY_SHA1" != "`sha1sum /bin/busybox | awk '{ print $1 }'`"; then
-      echo -e "Warning: /bin/busybox has been modified since installing" \
-        "busybox-power (invalid SHA1 checksum). Your current /bin/busybox" \
-        "won't be touched and the diversion of /bin/busybox to $DISTBIN will" \
-        "not be removed. \n" >> /tmp/busybox-power-error
       MODIFIEDBIN="1"
+
+      if test "$ENVIRONMENT" == "HARMATTAN"; then
+        if test -e $INSTALLDIR/busybox.distrib.version; then
+          if test "`cat $INSTALLDIR/busybox.distrib.version`" != "`GETBBVERSION`"; then
+            # Harmattan received a BusyBox upgrade, do not disturb the user by
+            # warning that /bin/busybox has been modified
+            return
+          fi
+        fi
+        echo -e "Warning: /bin/busybox does not match busybox-power's binary" \
+          "This can be the result of a BusyBox upgrade (e.g. by a MeeGo" \
+          "update), an unsuccessful busybox-power installation, or a manual" \
+          "replacement of it. Your current /bin/busybox won't be touched. Our" \
+          "backup of the original BusyBox binary will be left at $DISTBIN.\n" \
+          >> /tmp/busybox-power-error
+      else
+        echo -e "Warning: /bin/busybox does not match busybox-power's binary." \
+          "Your current /bin/busybox won't be touched and the diversion of" \
+          "/bin/busybox to $DISTBIN will not be removed.\n" \
+          >> /tmp/busybox-power-error
+      fi
     fi
 }
 
@@ -92,7 +111,7 @@ DISPLAY_ERRORS() {
         echo "   Hit [ctrl-c] to break"
         read 
         ;;
-      FREMANTLE)
+      DIABLO|FREMANTLE)
         echo "Click \"I Agree\" to ignore the above errors/warnings. Ask for" \
           "help if you don't know what to do." >> /tmp/busybox-power-error
         echo "Please confirm the text on the screen of your device"
@@ -101,25 +120,84 @@ DISPLAY_ERRORS() {
         rm /tmp/busybox-power-error
         if test ! $res == 0; then exit 1; fi
         ;;
+      HARMATTAN)
+        echo "Click \"I Agree\" to ignore the above errors/warnings. Ask for" \
+          "help if you don't know what to do." >> /tmp/busybox-power-error
+        echo "Please confirm the text on the screen of your device"
+        # We're too privileged to call meego-confirm-text...
+        # Our source is com.nokia.maemo, whilst m-c-t is from an unknown source
+        /usr/bin/aegis-exec meego-confirm-text "Attention!" \
+          /tmp/busybox-power-error > /dev/null 2>&1
+        res=$?
+        rm /tmp/busybox-power-error
+        if test ! $res == 0; then exit 1; fi
+        ;;
       esac
 }
 
+# Rollback procedure for Harmattan based devices
+ROLLBACK_HARMATTAN() {
+    echo -e "\nWarning: an error has occured! Rolling back..."
+    $EXECPWR cp -af $TMPBINBAK /bin/busybox
+    $EXECPWR cp -a $TMPHASHBAK /var/lib/aegis/refhashlist
+    echo "End of roll-back"
+    exit 1
+}
+
 # Uninstallation of the enhanced binary
 UNINSTALL() {
     if test $MODIFIEDBIN == 1; then
       # /bin/busybox has been modified since installing busybox-power
       # Leave both the file and the diversion in place
       return
-    elif test -e $DISTBIN; then
-      cp -af $DISTBIN /bin/busybox
-      if test -e /bin/busybox; then
-        rm $DISTBIN; fi
-    elif test "$ENVIRONMENT" == "SDK"; then
-      # There was no /bin/busybox to begin with..
-      rm /bin/busybox
     fi
 
-    /usr/sbin/dpkg-divert --remove /bin/busybox
+    case $ENVIRONMENT in
+      SDK|DIABLO|FREMANTLE)
+        if test -e $DISTBIN; then
+          cp -af $DISTBIN /bin/busybox
+          if test -e /bin/busybox; then
+            rm $DISTBIN; fi
+        elif test "$ENVIRONMENT" == "SDK"; then
+          # There was no /bin/busybox to begin with..
+          rm /bin/busybox
+        fi
+
+        /usr/sbin/dpkg-divert --remove /bin/busybox
+        ;;
+      HARMATTAN)
+        if ! test -e $DISTBIN; then return; fi
+
+        TMPHASHBAK=`$EXECPWR mktemp`
+        TMPBINBAK=`$EXECPWR mktemp`
+        ORIGINCHECK=`GETORIGINCHECK_STATUS`
+
+        # Useful information for Harmattan-based devices
+        ECHO_VERBOSE "refhashlist backup: $TMPHASHBAK"
+        ECHO_VERBOSE "busybox backup: $TMPBINBAK"
+        ECHO_VERBOSE "instbinary: $INSTBINARY_SHA1"
+        ECHO_VERBOSE "origbinary: $ORIGBINARY_SHA1"
+        ECHO_VERBOSE "device mode: $DEVICEMODE"
+        ECHO_VERBOSE "origincheck: $ORIGINCHECK"
+
+        if test $ORIGINCHECK -eq 1; then
+          SETORIGINCHECK_STATUS 0; fi
+
+        $EXECPWR cp -a /bin/busybox $TMPBINBAK || exit 1
+        $EXECPWR cp -a /var/lib/aegis/refhashlist $TMPHASHBAK || exit 1
+        $EXECPWR cp -af $DISTBIN /bin/busybox || ROLLBACK_HARMATTAN
+        $EXECPWR sed -i "s/$INSTBINARY_SHA1/$ORIGBINARY_SHA1/" /var/lib/aegis/refhashlist || ROLLBACK_HARMATTAN
+        /usr/bin/accli -c tcb-sign -F /var/lib/aegis/refhashlist < /var/lib/aegis/refhashlist || ROLLBACK_HARMATTAN
+        /usr/sbin/validator-init
+
+        if test $ORIGINCHECK -eq 1; then
+          SETORIGINCHECK_STATUS 1; fi
+
+        rm $TMPBINBAK
+        rm $TMPHASHBAK
+        rm $DISTBIN
+        ;;
+    esac
 }
 
 # Remove all symlinks that the installation script has made