"Daniel P. Berrange" <berrange@xxxxxxxxxx> wrote:
> This adds a binding for the virConnectOpenAuth() api in the python
> API. This allows a python function to be used as the callback.
>
> This short example code illustrates the use of the API from a
> python app which wants to support username/password credentials
> only.
>
> from getpass import getpass
> mydata = "Hello"
>
> def getCred(creds, data):
> print "yes"
> print str(creds)
> for cred in creds:
> print cred[1] + ": ",
> if cred[0] == libvirt.VIR_CRED_AUTHNAME:
> data = sys.stdin.readline()
> data = data[0:len(data)-1]
> cred[4] = data
> elif cred[0] == libvirt.VIR_CRED_PASSPHRASE:
> cred[4] = getpass("")
> else:
> return -1
> return 0
>
> uri = "qemu+tcp://localhost/system"
> conn = libvirt.openAuth(uri,
> [[libvirt.VIR_CRED_AUTHNAME, libvirt.VIR_CRED_PASSPHRASE],
> getCred,
> mydata], 0)
>
>
> print str(conn.listDefinedDomains())
Nice.
One nit:
> diff -r 8a79678f789f python/libvir.c
> --- a/python/libvir.c Wed Nov 28 23:01:30 2007 -0500
> +++ b/python/libvir.c Wed Nov 28 23:29:40 2007 -0500
...
> +static PyObject *
> +libvirt_virConnectOpenAuth(PyObject *self ATTRIBUTE_UNUSED, PyObject *args) {
...
> + auth.ncredtype = PyList_Size(pycredtype);
> + if (auth.ncredtype) {
> + int i;
> + auth.credtype = malloc(sizeof(int) * auth.ncredtype);
Check for malloc failure:
if (!auth.credtype)
return NULL;
> + for (i = 0 ; i < auth.ncredtype ; i++) {
> + PyObject *val;
> + val = PyList_GetItem(pycredtype, i);
> + auth.credtype[i] = (int)PyLong_AsLong(val);
> + }
> + }
> + auth.cb = pycredcb ? virConnectCredCallbackWrapper : NULL;
> + auth.cbdata = pyauth;
--
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