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#!/usr/bin/python -t
import sys, os
import gtk, gobject
import pwd
import types
def change_user(user):
try:
pwrec = pwd.getpwnam(user)
except KeyError:
raise Exception("Username '%s' does not exist." % user)
uid = pwrec[2]
os.setuid(uid)
return (pwrec[6], pwrec[5])
def shell_watch_cb(pid, condition, user_data=None):
gtk.main_quit()
def main():
if len(sys.argv) < 2:
print "Usage: %s <test user>" % sys.argv[0]
user = sys.argv[1]
# Start Xephyr
DISPLAY = ":10"
args = "/usr/bin/Xephyr -ac -host-cursor -screen 800x600 %s" % DISPLAY
args = args.split()
(xephyr_pid, ign1, ign2, ign3) = gobject.spawn_async(args, flags=gobject.SPAWN_STDERR_TO_DEV_NULL | gobject.SPAWN_STDOUT_TO_DEV_NULL)
print "Xepyhr pid is %d" % xephyr_pid
(shell, home) = change_user(user)
args = "/bin/dbus-daemon --session --print-address".split()
(dbus_pid, ign1, dbus_stdout, ign3) = gobject.spawn_async(args, flags=gobject.SPAWN_STDERR_TO_DEV_NULL, standard_output=True)
dbus_file = os.fdopen(dbus_stdout)
addr = dbus_file.readline()
addr = addr.strip()
print "dbus-daemon pid is %d, session bus address is %s" % (dbus_pid, addr)
dbus_file.close()
os.environ["DISPLAY"] = DISPLAY
os.environ["DBUS_SESSION_BUS_ADDRESS"] = addr
os.environ["HOME"] = home
args = "/usr/bin/metacity"
(metacity_pid, ign1, ign2, ign3) = gobject.spawn_async([args], flags=gobject.SPAWN_STDERR_TO_DEV_NULL | gobject.SPAWN_STDOUT_TO_DEV_NULL)
print "\n"
(shell_pid, ign1, ign2, ign3) = gobject.spawn_async([shell], flags=gobject.SPAWN_LEAVE_DESCRIPTORS_OPEN | gobject.SPAWN_CHILD_INHERITS_STDIN | gobject.SPAWN_DO_NOT_REAP_CHILD)
gobject.child_watch_add(shell_pid, shell_watch_cb)
try:
gtk.main()
except KeyboardInterrupt:
pass
try:
os.kill(dbus_pid, 9)
except OSError:
pass
try:
os.kill(metacity_pid, 9)
except OSError:
pass
if __name__ == "__main__":
main()
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