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@ -66,6 +66,13 @@ of these settings to take effect.</p>
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<dt>Start on Boot</dt>
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<dd>Automatically start the SimpleSSHD service when the phone powers on.</dd>
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<dt>Start on Open</dt>
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<dd>Run the SimpleSSHD service whenever the app is launched. The "STOP"
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button will be replaced with a "QUIT" button that stops the service and
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exits the app. This is useful if you want to only run the service when
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you really need it -- start the app to start listening for connections,
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and then click "QUIT" when you are done.</dd>
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<dt>Foreground Service</dt>
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<dd>Run the SimpleSSHD service as an Android "foreground service." This
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means a notification will be displayed for the service (you might be able
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@ -74,38 +81,10 @@ On newer versions of Android (since Marshmallow), this may also make
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SimpleSSHD more responsive if the phone has been in Doze mode. It does
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not seem to increase battery consumption much.</dd>
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<dt>Start on Open</dt>
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<dd>Run the SimpleSSHD service whenever the app is launched. The "STOP"
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button will be replaced with a "QUIT" button that stops the service and
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exits the app. This is useful if you want to only run the service when
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you really need it -- start the app to start listening for connections,
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and then click "QUIT" when you are done.</dd>
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<dt>Port Number</dt>
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<dd>This is the port number that SimpleSSHD will listen on. It must be
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greater than 1024 (because SimpleSSHD does not have root).</dd>
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<dt>SSH Path</dt>
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<dd>Path for general dropbear files, which now defaults to
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the app-private directory (usually something like
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<tt>/data/data/org.galexander.sshd/files</tt>).
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Most importantly, this is where
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<tt>authorized_keys</tt> is found. It is also where host keys wind up
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(they are created on demand), and where temporary files go. This path
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should probably be under <tt>/sdcard</tt>.</dd>
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<dt>Login Shell</dt>
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<dd>Path to the command shell. The default Android shell is
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<tt>/system/bin/sh</tt>, but you may prefer to use the one that comes with
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busybox or whatever. If you set it to the su binary (i.e.,
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<tt>/system/xbin/su</tt>), then scp, sftp, and rsync will run as root and
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should be able to access files outside of <tt>/sdcard</tt>. If the name
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of the shell contains "<tt>su</tt>" in it, instead of putting
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"<tt>-</tt>" before <tt>argv[0]</tt> to indicate the login shell,
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SimpleSSHD puts "<tt>-</tt>" as <tt>argv[1]</tt>. That is, a regular
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login shell would be invoked as "<tt>-sh</tt>", but su will be invoked as
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"<tt>su -</tt>".</dd>
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<dt>Buffer hack for rsync+SuperSU</dt>
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<dd>A bug in SuperSU interacts with an infelicity in rsync to cause an
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occasional deadlock. This is a real pain because I use SuperSU+rsync
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@ -115,12 +94,6 @@ should be enabled if you use rsync with SuperSU. It adds a miniscule
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overhead to rsync, but isn't harmful even if you aren't using
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SuperSU.</dd>
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<dt>Home Directory</dt>
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<dd>The login shell's home directory, which also defaults
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to the app-private directory.
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This is where your ssh session starts out, and is where <tt>.profile</tt>
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will be found if it is present.</dd>
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<dt>Extra Commandline</dt>
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<dd>You can specify additional commandline options for dropbear server.
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The options which are hardcoded are:
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@ -136,6 +109,33 @@ A common use would be "<tt>ENV=/sdcard/ssh/.profile</tt>", if your device has a
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build of <tt>mksh</tt> that does not execute a <tt>.profile</tt>
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automatically.</dd>
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<dt>SSH Path</dt>
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<dd>Path for general dropbear files, which now defaults to
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the app-private directory (usually something like
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<tt>/data/data/org.galexander.sshd/files</tt>).
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Most importantly, this is where
|
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<tt>authorized_keys</tt> is found. It is also where host keys wind up
|
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|
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|
(they are created on demand), and where temporary files go. This path
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should probably be under <tt>/sdcard</tt>.</dd>
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<dt>Home Directory</dt>
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<dd>The login shell's home directory, which also defaults
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to the app-private directory.
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This is where your ssh session starts out, and is where <tt>.profile</tt>
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will be found if it is present.</dd>
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<dt>Login Shell</dt>
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<dd>Path to the command shell. The default Android shell is
|
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<tt>/system/bin/sh</tt>, but you may prefer to use the one that comes with
|
|
|
|
|
busybox or whatever. If you set it to the su binary (i.e.,
|
|
|
|
|
<tt>/system/xbin/su</tt>), then scp, sftp, and rsync will run as root and
|
|
|
|
|
should be able to access files outside of <tt>/sdcard</tt>. If the name
|
|
|
|
|
of the shell contains "<tt>su</tt>" in it, instead of putting
|
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|
|
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"<tt>-</tt>" before <tt>argv[0]</tt> to indicate the login shell,
|
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|
|
|
SimpleSSHD puts "<tt>-</tt>" as <tt>argv[1]</tt>. That is, a regular
|
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|
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|
login shell would be invoked as "<tt>-sh</tt>", but su will be invoked as
|
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"<tt>su -</tt>".</dd>
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<h2>Frequently Asked Questions</h2>
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@ -171,7 +171,7 @@ harmless.
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<ul>
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<li> <b>2018/05/19 Version 19:</b> Use the app-private directory by
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default on new installs for the SSH/home dir.
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default on new installs for the SSH/home dir. Organize settings.
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<li> <b>2018/05/16 Version 18:</b> Use correct idiom for <tt>su</tt> as a
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login shell (so busybox <tt>su</tt> can work). Add environment variables
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to settings.
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Greg Alexander
6 years ago