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White Rabbit Switch - Software
Commit af971e84 authored by Fabian Mauchle's avatar Fabian Mauchle
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[FEATURE #190] Save old ssh host keys and authorized_keys during firmware upgrade 

and restore to new firwmare.
parent 62b4fe8d
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    userspace/rootfs_override/etc/init.d/wrs-boot-procedure
    View file @ af971e84
    ......@@ -182,7 +182,25 @@ fi
    # First: update usr: we may have the whole thing, or just wrs-usr.tar.gz
    if [ -f /update/$WRS_FW -o -f /update/$WRS_USR ]; then
    echo -n "Saving existing data..." | $TEE /dev/ttyGS0
    # Mount /usr temporarily to transfer some existing files
    mkdir -p /usr
    mount -t ubifs ubi0:usr /usr
    # save some old data to be reused with updated software
    if ls /usr/etc/ssh/ssh_host_*_key* 1> /dev/null 2>&1; then
    cp /usr/etc/ssh/ssh_host_*_key* /tmp/
    fi
    if [ -f /usr/authorized_keys ]; then
    cp /usr/authorized_keys /tmp/
    fi
    # FIXME: save configuration somewhere, and recover it later
    # Unmount /usr again so we can recreate the partition form the new firmware
    sync; cd /; umount /usr
    echo " done" | $TEE /dev/ttyGS0
    echo -n "Extracting filesystem..." | $TEE /dev/ttyGS0
    # since we are upgrading, we'd better remove and recreate the volume
    ubirmvol /dev/ubi0 --name=usr
    ......@@ -195,6 +213,17 @@ if [ -f /update/$WRS_FW -o -f /update/$WRS_USR ]; then
    else
    tar xzf /update/$WRS_USR
    fi
    echo " done" | $TEE /dev/ttyGS0
    # restore saved data
    echo -n "Restoring saved data..." | $TEE /dev/ttyGS0
    if ls /tmp/ssh_host_*_key* 1> /dev/null 2>&1; then
    mv /tmp/ssh_host_*_key* /usr/etc/ssh/
    fi
    if [ -f /tmp/authorized_keys ]; then
    mv /tmp/authorized_keys /usr/
    fi
    sync; cd /; umount /usr
    echo " done" | $TEE /dev/ttyGS0
    ......
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