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Changed password script to work with multiple NICs.

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This commit is contained in:
keshav 2011-03-02 18:30:19 -08:00
parent 9ec4911285
commit 25cd4a5768
1 changed files with 55 additions and 22 deletions
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77
setup/bindir/cloud-set-guest-password.in
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@ -8,39 +8,72 @@
# Modify this line to specify the user (default is root)
user=root
# Add your DHCP lease file here
DHCP_FILES="/var/lib/dhclient/dhclient-eth0.leases /var/lib/dhcp3/dhclient.eth0.leases"
# Add your DHCP lease folders here
DHCP_FOLDERS="/var/lib/dhclient/* /var/lib/dhcp3/*"
password_received=0
for DHCP_FILE in $DHCP_FILES
for DHCP_FILE in $DHCP_FOLDERS
do
if [ -f $DHCP_FILE ]
then
DOMR_IP=$(grep dhcp-server-identifier $DHCP_FILE | tail -1 | awk '{print $NF}' | tr -d '\;')
break;
PASSWORD_SERVER_IP=$(grep dhcp-server-identifier $DHCP_FILE | tail -1 | awk '{print $NF}' | tr -d '\;')
if [ -n $PASSWORD_SERVER_IP ]
then
logger -t "cloud" "Sending request to password server at $PASSWORD_SERVER_IP"
password=$(wget -t 3 -T 20 -O - --header "DomU_Request: send_my_password" $PASSWORD_SERVER_IP:8080)
if [ $? -eq 0 ]
then
logger -t "cloud" "Got a password from server at $PASSWORD_SERVER_IP"
password_received=1
break
fi
fi
fi
done
password=$(wget -t 3 -T 20 -O - --header "DomU_Request: send_my_password" $DOMR_IP:8080)
if [ $? -ne 0 ]
if [ "$password_received" == "0" ]
then
logger -t "cloud" "Failed to get password from server"
exit 1
fi
password=$(echo $password | tr -d '\r')
if [ -n "$password" ] && [ "$password" != "bad_request" ] && [ "$password" != "saved_password" ]
then
echo $password | passwd --stdin $user
if [ $? -gt 0 ]
then
usermod -p `mkpasswd $password 42` $user
if [ $? -gt 0 ]
then
exit 1
fi
fi
wget -t 3 -T 20 -O - --header "DomU_Request: saved_password" $DOMR_IP:8080
fi
case $password in
exit 0
"") logger -t "cloud" "Password server did not have any password for the VM."
exit 0
;;
"bad_request") logger -t "cloud" "VM sent an invalid request to password server."
exit 1
;;
"saved_password") logger -t "cloud" "VM has already saved a password from the password server."
exit 0
;;
*) logger -t "cloud" "Changing password for the VM..."
echo $password | passwd --stdin $user
if [ $? -gt 0 ]
then
usermod -p `mkpasswd $password 42` $user
if [ $? -gt 0 ]
then
logger -t "cloud" "Failed to change password for user $user"
exit 1
else
logger -t "cloud" "Successfully changed password for user $user"
fi
fi
logger -t "cloud" "Sending acknowledgment to password server at $PASSWORD_SERVER_IP"
wget -t 3 -T 20 -O - --header "DomU_Request: saved_password" $PASSWORD_SERVER_IP:8080
exit 0
;;
esac