initial code for dumping imessages in a reasonable format

dump-imessages/iphone-dataprotection/build_ramdisk.sh

@@ -0,0 +1,81 @@
+#!/bin/bash
+
+#set +e
+#set -o errexit
+
+if [ $# -lt 4 ]
+then
+    echo "Syntax: $0 IPSW RAMDISK KEY IV CUSTOMRAMDISK"
+    echo "python_scripts/kernel_patcher.py can generate a shell script with the correct parameters"
+    exit
+fi
+
+if [ ! -f ramdisk_tools/restored_external ]
+then
+    echo "ramdisk_tools/restored_external not found, check compilation output for errors"
+    exit -1
+fi
+
+IPSW=$1
+RAMDISK=$2
+KEY=$3
+IV=$4
+CUSTOMRAMDISK=$5
+if [ "$CUSTOMRAMDISK" == "" ]; then
+    CUSTOMRAMDISK="myramdisk.dmg"
+fi
+IMG3FS="./img3fs/img3fs"
+IMG3MNT="/tmp/img3"
+
+if [ ! -f $IMG3FS ]; then
+    echo "img3fs is missing, install osxfuse and run make -C img3fs/"
+    exit -1
+fi
+
+if [ ! -f ssh.tar.gz ]; then
+    echo "Downloading ssh.tar.gz from googlecode"
+    curl -O http://iphone-dataprotection.googlecode.com/files/ssh.tar.gz
+fi
+
+unzip $IPSW $RAMDISK
+
+if [ -d "/Volumes/ramdisk" ]; then
+    hdiutil eject /Volumes/ramdisk
+    umount $IMG3MNT
+fi
+
+mkdir -p $IMG3MNT
+
+$IMG3FS -key $KEY -iv $IV $IMG3MNT $RAMDISK
+
+hdiutil attach -owners off $IMG3MNT/DATA.dmg
+
+#remove baseband files to free space
+rm -rf /Volumes/ramdisk/usr/local/standalone/firmware/*
+rm -rf /Volumes/ramdisk/usr/share/progressui/
+#dont replace existing files, replacing launchctl on armv6 ramdisks makes it fail somehow
+tar -C /Volumes/ramdisk/ -xzkP <  ssh.tar.gz
+rm /Volumes/ramdisk/bin/vdir
+rm /Volumes/ramdisk/bin/egrep
+rm /Volumes/ramdisk/bin/grep
+
+#rm /Volumes/ramdisk/usr/local/bin/restored_external
+cp ramdisk_tools/restored_external /Volumes/ramdisk/usr/local/bin
+
+cp ramdisk_tools/bruteforce ramdisk_tools/device_infos /Volumes/ramdisk/var/root
+cp ramdisk_tools/scripts/* /Volumes/ramdisk/var/root
+cp ramdisk_tools/ioflashstoragekit /Volumes/ramdisk/var/root
+
+#if present, copy ssh public key to ramdisk
+if [ -f ~/.ssh/id_rsa.pub ]; then
+	mkdir /Volumes/ramdisk/var/root/.ssh
+	cp ~/.ssh/id_rsa.pub /Volumes/ramdisk/var/root/.ssh/authorized_keys
+fi
+
+hdiutil eject /Volumes/ramdisk
+umount $IMG3MNT
+
+mv $RAMDISK $CUSTOMRAMDISK
+
+#echo "$CUSTOMRAMDISK created"
+