From 724f488ab70598f112ae6e74f62e347b35b0ed29 Mon Sep 17 00:00:00 2001
From: deajan <ozy@netpower.fr>
Date: Tue, 7 Feb 2017 20:59:01 +0100
Subject: [PATCH] Quick and dirty sudo prepare script

---
 dev/tests/sudo_prep.sh | 113 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 113 insertions(+)
 create mode 100755 dev/tests/sudo_prep.sh

diff --git a/dev/tests/sudo_prep.sh b/dev/tests/sudo_prep.sh
new file mode 100755
index 0000000..18ea5ec
--- /dev/null
+++ b/dev/tests/sudo_prep.sh
@@ -0,0 +1,113 @@
+#!/usr/bin/env bash
+
+testUser=osyncsudo
+testUserHome=/home/osyncsudo
+
+function SetupSSH {
+        local remoteUser="${1}"
+        local homedir="${2}"
+
+	if [ ! -d "$homedir/.ssh" ]; then
+		mkdir "$homedir/.ssh"
+		if  [ $? != 0 ]; then
+			echo "Cannot create [$homedir/.ssh]."
+			exit 1
+		fi
+	fi
+
+	chmod 700 "$homedir/.ssh"
+	if  [ $? != 0 ]; then
+		echo "Cannot chmod [$homedir/.ssh]."
+		exit 1
+	fi
+
+	chown $testUser "$homedir/.ssh"
+	if  [ $? != 0 ]; then
+		echo "Cannot chown [$homedir/.ssh]."
+		exit 1
+	fi
+
+        echo -e  'y\n'| ssh-keygen -t rsa -b 2048 -N "" -f "$homedir/.ssh/id_rsa_local"
+        if ! grep "$(cat $homedir/.ssh/id_rsa_local.pub)" "$homedir/.ssh/authorized_keys"; then
+                cat "$homedir/.ssh/id_rsa_local.pub" >> "$homedir/.ssh/authorized_keys"
+        fi
+        chmod 600 "$homedir/.ssh/authorized_keys"
+        chown $remoteUser "$homedir/.ssh/authorized_keys"
+        chown $remoteUser "$homedir/.ssh/id_rsa_local"
+        chown $remoteUser "$homedir/.ssh/id_rsa_local.pub"
+
+
+        # Add localhost to known hosts so self connect works
+        if [ -z "$(ssh-keygen -F localhost)" ]; then
+                ssh-keyscan -H localhost >> "$homedir/.ssh/known_hosts"
+        fi
+
+	if [ -f "$homedir/.ssh/known_hosts" ]; then
+	        chown $remoteUser "$homedir/.ssh/known_hosts"
+	fi
+}
+
+function PrepareSudoers {
+	local remoteUser="${1}"
+
+	if [ -f "/etc/sudoers" ]; then
+		echo "$remoteUser ALL=NOPASSWD:SETENV:/usr/bin/rsync,/usr/bin/bash" >> "/etc/sudoers"
+		echo "Defaults:$remoteUser !requiretty" >> "/etc/sudoers"
+	elif [ -f "/usr/local/bin/sudoers" ]; then
+		echo "$remoteUser ALL=NOPASSWD:SETENV:/usr/local/bin/rsync,/usr/local/bin/bash" >> "/usr/local/etc/sudoers"
+		echo "Defaults:$remoteUser !requiretty" >> "usr/local/etc/sudoers"
+	else
+		echo "No sudoers file found."
+		echo "copy the following lines to /etc/sudoers (or /usr/local/etc/sudoers) and adjust /usr/bin path to the target system"
+		echo "$remoteUser ALL=NOPASSWD:SETENV:/usr/bin/rsync,/usr/bin/bash"
+		echo "Defaults:$remoteUser !requiretty"
+	fi
+}
+
+function RemoveUser {
+	local remoteUser="${1}"
+
+	if type rmuser > /dev/null 2>&1; then
+		rmuser $remoteUser
+	elif type userdel > /dev/null 2>&1; then
+		userdel $remoteUser
+	else
+		echo "Please remove $remoteUser manually"
+	fi
+}
+
+function RemoveSudoers {
+	local remoteUser="${1}"
+
+	if [ -f "/etc/sudoers" ]; then
+		cp "/etc/sudoers" "/etc/sudoers.old"
+		grep -v "$remoteUser" "/etc/sudoers.old" > "/etc/sudoers"
+	elif [ -f "/usr/local/etc/sudoers" ]; then
+		cp "/usr/local/etc/sudoers" "/usr/local/etc/sudoers.old"
+		grep -v "$remoteUser" "/usr/local/etc/sudoers.old" > "/usr/local/etc/sudoers"
+	else
+		echo "Please remove lines containing $remoteUser from sudoers file manualle"
+	fi
+}
+
+if [ "$1" == "set" ]; then
+	echo "Manual creation of $testUser with homedir $testUserHome"
+
+	adduser "$testUser"
+
+	SetupSSH "$testUser" "$testUserHome"
+	PrepareSudoers "$testUser"
+	echo ""
+	echo "Now feel free to run osync sudo test"
+	echo "SUDO_EXEC=yes osync.sh --initiator=/home/osyncsudo --target=ssh://osyncsudo@localhost:22//root/osync-tests --rsakey=/home/osyncsudo/.ssh/id_rsa_local"
+	echo "Don't forget to run $0 unset later"
+
+
+elif [ "$1" == "unset" ]; then
+	RemoveUser "$testUser"
+	RemoveSudoers "$testUser"
+else
+	echo "usage: $0 [set] [unset]"
+fi
+
+