python-ldap with MDS() Lawrence Berkeley National Laboratory
Distributed Computing Department	National Energy Research Scientific Computing Center	Computing Sciences Division

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Instructions

Goto to python-ldap and follow the directions to get the code from anonymous cvs.

Add the following class to the bottom of Lib/ldap/sasl.py: class gsigssapi(sasl): """This class handles SASL GSI-GSSAPI authentication.""" def __init__(self, authorization=""): sasl.__init__(self, {sasl.CB_USER:authorization}, "GSI-GSSAPI")

Edit setup.cfg so that the "libs" line looks like: libs = ldap_gcc32dbgpthr lber_gcc32dbgpthr This allows us to link against the globus flavored libs.

Also edit the paths to find the libs and include files.

Example setup.cfg

# Section for compiling the C extension module
# for wrapping OpenLDAP 2 libs

[_ldap]
class = OpenLDAP2
library_dirs = /usr/local/gt2/lib
include_dirs = /usr/local/gt2/include/gcc32dbgpthr
# Standard build
# for the SASL library
libs = ldap_gcc32dbgpthr lber_gcc32dbgpthr
# Some Linux systems might need explicitly linking with -lresolv
#libs = ldap lber resolv
# For building with cygwin
#libs = ldap lber ssl crypto

# Installation options

[install]
compile = 1
optimize = 1

build, install, test

Now follow the python-ldap directions to build. "python setup.py build", "python setup.py install".

Change the ldap URL, and base DN as appropriate for your environment.

To test your installation, make sure you have a valid GSI proxy, and then run: import ldap, ldap.sasl l = ldap.initialize("ldap://scott.lbl.gov:2135") auth = ldap.sasl.gsigssapi() l.sasl_bind_s("", auth) res = l.search_s("Mds-Vo-name=DSD, o=Grid",ldap.SCOPE_SUBTREE, "(objectClass=*)") print res l.unbind()


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