initial code for dumping imessages in a reasonable format

dump-imessages/iphone-dataprotection/build_ramdisk_ios6.sh

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+#!/bin/bash
+
+if [ ! $(uname) == "Darwin" ]
+then
+    echo "Script for Mac OS X only"
+    exit
+fi
+
+if [ $# -lt 1 ]
+then
+    echo "Syntax: $0 DECRYPTED_RAMDISK_DMG"
+    exit
+fi
+
+if [ ! -f ssh.tar.gz ]
+then
+    echo "Downloading ssh.tar.gz from googlecode"
+    curl -O http://iphone-dataprotection.googlecode.com/files/ssh.tar.gz
+fi
+
+if [ ! -f libncurses.5.dylib ]
+then
+    echo "Downloading libncurses.5.dylib from googlecode"
+    curl -O http://iphone-dataprotection.googlecode.com/files/libncurses.5.dylib
+fi
+
+echo "Rebuilding ramdisk_tools"
+
+./build_tools.sh
+
+#compiling in a vmware shared folder can produce binaries filled with zeroes !
+if [ ! -f ramdisk_tools/restored_external ] || [ "$(file -b ramdisk_tools/restored_external)" == "data" ]
+then
+    echo "ramdisk_tools/restored_external not found or invalid, check compilation output for errors"
+    exit -1
+fi
+
+RAMDISK=$1
+
+RD_SIZE=$(du -h $RAMDISK  | cut -f 1)
+
+if [ ! $RD_SIZE == "20M" ]
+then
+    echo "resizing ramdisk..."
+    echo "hdiutil will segfault if ramdisk was already resized, thats ok"
+    hdiutil resize -size 20M $RAMDISK
+fi
+
+if [ -d /Volumes/ramdisk ]
+then
+    echo "Unmount /Volumes/ramdisk then try again"
+    exit -1
+fi
+
+echo "Attaching ramdisk"
+
+hdiutil attach $RAMDISK
+rm -rf /Volumes/ramdisk/usr/local/standalone/firmware/*
+rm -rf /Volumes/ramdisk/usr/share/progressui/
+
+if [ ! -f /Volumes/ramdisk/sbin/sshd ]
+then
+    echo "Unpacking ssh.tar.gz on ramdisk..."
+    tar -C /Volumes/ramdisk/ -xzkP <  ssh.tar.gz
+    echo "^^ This tar error message is okay"
+fi
+
+if [ ! -f /Volumes/ramdisk/usr/lib/libncurses.5.4.dylib ]
+then
+    echo "Adding libncurses..."
+    cp libncurses.5.dylib /Volumes/ramdisk/usr/lib/libncurses.5.4.dylib
+fi
+
+echo "Adding/updating ramdisk_tools binaries on ramdisk..."
+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
+
+ls -laht /Volumes/ramdisk/usr/local/bin/
+
+#if present, copy ssh public key to ramdisk
+if [ -f ~/.ssh/id_rsa.pub ] && [ ! -d /Volumes/ramdisk/var/root/.ssh ]
+then
+    mkdir /Volumes/ramdisk/var/root/.ssh
+    cp ~/.ssh/id_rsa.pub /Volumes/ramdisk/var/root/.ssh/authorized_keys
+    chmod 0600 /Volumes/ramdisk/var/root/.ssh/authorized_keys
+fi
+
+hdiutil eject /Volumes/ramdisk