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https://github.com/libguestfs/libguestfs.git
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118 lines
4.1 KiB
Bash
Executable File
118 lines
4.1 KiB
Bash
Executable File
#!/bin/bash -
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# Copyright (C) 2009 Red Hat Inc.
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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# INSTRUCTIONS
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#----------------------------------------------------------------------
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#
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# This is a QEMU wrapper script that allows you to run a
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# Windows-compiled guestfsd.exe (daemon) under Wine from a Linux main
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# program. You need to read and understand all the instructions below
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# before use.
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#
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# To understand how to compile the daemon for Windows, please read:
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# http://www.redhat.com/archives/libguestfs/2009-November/msg00255.html
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#
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# Adjust the Wine configuration so it can find the libraries, as
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# described here:
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# http://fedoraproject.org/wiki/MinGW/Configure_wine
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#
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# On Fedora 13 there is a serious bug in Wine. See:
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# https://bugzilla.redhat.com/show_bug.cgi?id=533806#c11
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#
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# If necessary, adjust the line 'guestfsd=...' below so it points to
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# the correct location of the guestfsd.exe program. You can use an
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# absolute path here if you want.
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guestfsd=daemon/guestfsd.exe
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#
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# This script is a QEMU wrapper. It pretends to be qemu as far as
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# libguestfs programs are concerned. Read this to understand the
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# purpose of QEMU wrappers:
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# http://libguestfs.org/guestfs.3.html#qemu_wrappers
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#
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# With this script, the qemu program is not actually run. Instead we
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# pretend to be qemu, parse out the necessary parts of the long
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# command line that libguestfs passes to qemu, and run the Windows
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# daemon, under Wine, with the right command line. The Windows daemon
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# then hopefully connects back to the libguestfs socket, and as far as
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# the libguestfs program is concerned, it looks like a full appliance
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# is running.
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#
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# To use this script, you must set the environment variable
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# LIBGUESTFS_QEMU=/path/to/contrib/guestfsd-in-wine.sh (ie. the path
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# to this script).
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#
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# You can then run libguestfs test programs, and (hopefully!) they'll
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# use the Windows guestfsd.exe, simulating calls using Wine.
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#
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# For example from the top build directory:
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#
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# LIBGUESTFS_QEMU=contrib/guestfsd-in-wine.sh ./run ./fish/guestfish
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#
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# Another suggested environment variable is LIBGUESTFS_DEBUG=1 which
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# will give you must more detail about what is going on. Also look at
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# the contents of the log file 'guestfsd-in-wine.log' after each run.
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#
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#----------------------------------------------------------------------
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# Note that stdout & stderr messages will get eaten by libguestfs
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# early on in the process. Therefore write log messages to
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# a log file.
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exec 5>>guestfsd-in-wine.log
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echo "Environment:" >&5
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printenv | grep LIBGUESTFS >&5
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echo "Command line:" >&5
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echo " $@" >&5
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# We're called several times, first with -help and -version, and we
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# have to pretend to be qemu! (At least enough to trick libguestfs).
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if [ "$1" = "-help" ]; then
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echo -- " -net user "
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echo -- " -no-hpet "
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echo -- " -rtc-td-hack "
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exit 0
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elif [ "$1" = "-version" ]; then
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echo -- "0.0.0"
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exit 0
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fi
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# The interesting parameter is -append.
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append=
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while [ $# -gt 0 ]; do
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if [ $1 = "-append" ]; then
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append="$2"
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shift
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fi
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shift
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done
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echo "Append parameter:" >&5
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echo " $append" >&5
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# guestfs_vmchannel parameter.
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vmchannel_param=$(echo "$append" | grep -Eo 'guestfs_vmchannel=[^[:space:]]+')
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echo "Vmchannel parameter:" >&5
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echo " $vmchannel_param" >&5
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# Port number.
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port=$(echo "$vmchannel_param" | grep -Eo '[[:digit:]]+$')
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echo "Port number:" >&5
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echo " $vmchannel_param" >&5
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# Run guestfsd.exe.
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echo "Command:" >&5
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echo " $guestfsd -f -v -c tcp:localhost:$port" >&5
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$guestfsd -f -v -c tcp:127.0.0.1:$port
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