linux virtual display, init commit

Signed-off-by: fufesou <shuanglongchen@yeah.net>

res/startwm.sh

@@ -0,0 +1,130 @@
+#!/usr/bin/env bash
+
+# This script is derived from https://github.com/neutrinolabs/xrdp/sesman/startwm.sh.
+
+#
+# This script is an example. You might need to edit this script
+# depending on your distro if it doesn't work for you.
+#
+# Uncomment the following line for debug:
+# exec xterm
+
+
+# Execution sequence for interactive login shell - pseudocode
+#
+# IF /etc/profile is readable THEN
+#     execute ~/.bash_profile
+# END IF
+# IF ~/.bash_profile is readable THEN
+#     execute ~/.bash_profile
+# ELSE
+#     IF ~/.bash_login is readable THEN
+#         execute ~/.bash_login
+#     ELSE
+#         IF ~/.profile is readable THEN
+#             execute ~/.profile
+#         END IF
+#     END IF
+# END IF
+pre_start()
+{
+  if [ -r /etc/profile ]; then
+    . /etc/profile
+  fi
+  if [ -r ~/.bash_profile ]; then
+    . ~/.bash_profile
+  else
+    if [ -r ~/.bash_login ]; then
+      . ~/.bash_login
+    else
+      if [ -r ~/.profile ]; then
+        . ~/.profile
+      fi
+    fi
+  fi
+  return 0
+}
+
+# When loging out from the interactive shell, the execution sequence is:
+#
+# IF ~/.bash_logout exists THEN
+#     execute ~/.bash_logout
+# END IF
+post_start()
+{
+  if [ -r ~/.bash_logout ]; then
+    . ~/.bash_logout
+  fi
+  return 0
+}
+
+#start the window manager
+wm_start()
+{
+  if [ -r /etc/default/locale ]; then
+    . /etc/default/locale
+    export LANG LANGUAGE
+  fi
+
+  # debian
+  if [ -r /etc/X11/Xsession ]; then
+    pre_start
+    . /etc/X11/Xsession
+    post_start
+    exit 0
+  fi
+
+  # alpine
+  # Don't use /etc/X11/xinit/Xsession - it doesn't work
+  if [ -f /etc/alpine-release ]; then
+    if [ -f /etc/X11/xinit/xinitrc ]; then
+        pre_start
+        /etc/X11/xinit/xinitrc
+        post_start
+    else
+        echo "** xinit package isn't installed" >&2
+        exit 1
+    fi
+  fi
+
+  # el
+  if [ -r /etc/X11/xinit/Xsession ]; then
+    pre_start
+    . /etc/X11/xinit/Xsession
+    post_start
+    exit 0
+  fi
+
+  # suse
+  if [ -r /etc/X11/xdm/Xsession ]; then
+    # since the following script run a user login shell,
+    # do not execute the pseudo login shell scripts
+    . /etc/X11/xdm/Xsession
+    exit 0
+  elif [ -r /usr/etc/X11/xdm/Xsession ]; then
+    . /usr/etc/X11/xdm/Xsession
+    exit 0
+  fi
+
+  pre_start
+  xterm
+  post_start
+}
+
+#. /etc/environment
+#export PATH=$PATH
+#export LANG=$LANG
+
+# change PATH to be what your environment needs usually what is in
+# /etc/environment
+#PATH="/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games"
+#export PATH=$PATH
+
+# for PATH and LANG from /etc/environment
+# pam will auto process the environment file if /etc/pam.d/xrdp-sesman
+# includes
+# auth       required     pam_env.so readenv=1
+
+wm_start
+
+exit 1