Red Hat Bugzilla – Bug 647091
VNC authentication only check first 8 characters
Last modified: 2015-04-19 20:26:36 EDT
Description of problem:
When setting VNC password longer than 8 characters, VNC authentication only check first 8 characters when connection.
Version-Release number of selected component (if applicable):
kvm version: kvm-83-206.el5
Steps to Reproduce:
1. Start guest with -vnc :port,password.
2. Go to qemu-monitor, input "change vnc password".
3. Set your password to '1234567890'.
4. Use vnc client to connect the guest.
5. Input '12345678' as password in vnc client.
vnc client connect to guest successfully.
vnc client could not connect to guest. 'Authentication failed' is displayed.
Input '1234567' (first 7 characters) as password in vnc client, then 'Authentication failed' is displayed.
qemu command line:
qemu-kvm -name 'vm1' -monitor /dev/tty -serial unix:'/tmp/serial-20101025-181459-zb56',server,nowait -drive file='/usr/autotest/client/tests/kvm/images/RHEL-Server-5.5-64-virtio.qcow2',index=0,if=virtio,media=disk,cache=none,boot=on,format=qcow2 -net nic,vlan=0,model=rtl8139,macaddr='02:8F:A8:D8:2c:85' -net tap,vlan=0,ifname='rtl8139_0_8000',script='/usr/autotest/client/tests/kvm/scripts/qemu-ifup-switch',downscript='no' -m 2048 -smp 2 -cpu qemu64 -soundhw ac97 -vnc :0,password -rtc-td-hack -M rhel5.5.0 -usbdevice tablet -no-kvm-pit-reinjection
This request was evaluated by Red Hat Product Management for
inclusion in the current release of Red Hat Enterprise Linux.
Because the affected component is not scheduled to be updated in the
current release, Red Hat is unfortunately unable to address this
request at this time. Red Hat invites you to ask your support
representative to propose this request, if appropriate and relevant,
in the next release of Red Hat Enterprise Linux.
This request was erroneously denied for the current release of
Red Hat Enterprise Linux. The error has been fixed and this
request has been re-proposed for the current release.