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37874a3fa8
The exit status of wget was not checked properly since it would check the exit status of the 'echo' command. Also fix some indentation in the script and remove whitespace
109 lines
3.4 KiB
Bash
Executable File
109 lines
3.4 KiB
Bash
Executable File
#!/bin/bash
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#
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# Init file for Password Download Client
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#
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# chkconfig: 345 98 02
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# description: Password Download Client
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# Licensed to the Apache Software Foundation (ASF) under one
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# or more contributor license agreements. See the NOTICE file
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# distributed with this work for additional information
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# regarding copyright ownership. The ASF licenses this file
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# to you under the Apache License, Version 2.0 (the
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# "License"); you may not use this file except in compliance
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# with the License. You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing,
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# software distributed under the License is distributed on an
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# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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# KIND, either express or implied. See the License for the
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# specific language governing permissions and limitations
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# under the License.
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# Modify this line to specify the user (default is root)
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user=root
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# Add your DHCP lease folders here
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DHCP_FOLDERS="/var/lib/dhclient/* /var/lib/dhcp3/* /var/lib/dhcp/*"
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PASSWORD_SERVER_PORT=8080
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password_received=0
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file_count=0
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error_count=0
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for DHCP_FILE in $DHCP_FOLDERS; do
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if [ -f $DHCP_FILE ]; then
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file_count=$((file_count+1))
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PASSWORD_SERVER_IP=$(grep dhcp-server-identifier $DHCP_FILE | tail -1 | awk '{print $NF}' | tr -d '\;')
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if [ -n "$PASSWORD_SERVER_IP" ]; then
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logger -t "cloud" "Found password server IP $PASSWORD_SERVER_IP in $DHCP_FILE"
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logger -t "cloud" "Sending request to password server at $PASSWORD_SERVER_IP"
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password=$(wget -q -t 3 -T 20 -O - --header "DomU_Request: send_my_password" $PASSWORD_SERVER_IP:$PASSWORD_SERVER_PORT)
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if [ $? -eq 0 ]; then
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password=$(echo $password | tr -d '\r')
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logger -t "cloud" "Got response from server at $PASSWORD_SERVER_IP"
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case $password in
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"")
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logger -t "cloud" "Password server at $PASSWORD_SERVER_IP did not have any password for the VM"
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continue
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;;
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"bad_request")
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logger -t "cloud" "VM sent an invalid request to password server at $PASSWORD_SERVER_IP"
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error_count=$((error_count+1))
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continue
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;;
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"saved_password")
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logger -t "cloud" "VM has already saved a password from the password server at $PASSWORD_SERVER_IP"
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continue
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;;
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*)
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logger -t "cloud" "VM got a valid password from server at $PASSWORD_SERVER_IP"
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password_received=1
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break
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;;
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esac
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else
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logger -t "cloud" "Failed to send request to password server at $PASSWORD_SERVER_IP"
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error_count=$((error_count+1))
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fi
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else
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logger -t "cloud" "Could not find password server IP in $DHCP_FILE"
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error_count=$((error_count+1))
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fi
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fi
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done
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if [ "$password_received" == "0" ]; then
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if [ "$error_count" == "$file_count" ]; then
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logger -t "cloud" "Failed to get password from any server"
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exit 1
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else
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logger -t "cloud" "Did not need to change password."
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exit 0
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fi
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fi
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logger -t "cloud" "Changing password for user $user"
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echo $user:$password | chpasswd
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if [ $? -gt 0 ]; then
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usermod -p `mkpasswd -m SHA-512 $password` $user
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if [ $? -gt 0 ]; then
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logger -t "cloud" "Failed to change password for user $user"
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exit 1
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else
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logger -t "cloud" "Successfully changed password for user $user"
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fi
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fi
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logger -t "cloud" "Sending acknowledgment to password server at $PASSWORD_SERVER_IP"
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wget -q -t 3 -T 20 -O - --header "DomU_Request: saved_password" $PASSWORD_SERVER_IP:$PASSWORD_SERVER_PORT
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exit 0
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