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(ITS#7583) ldap_init_fd() does not work with LDAP_PROTO_UDP

Full_Name: Stef Walter
Version: 2.4.35
OS: Fedora 18
URL: http://fedorapeople.org/~stefw/patches/openldap-02/0001-Make-ldap_init_fd-work-with-LDAP_PROTO_UDP.patch
Submission from: (NULL) (

The ldap_init_fd() function does not work with UDP sockets (ie: LDAP_PROTO_UDP
passed in as the proto argument). Later uses of the LDAP connection returned
fail unceremoniously.

This patch fixes the issue:


Some test code to exercise and demonstrate the problem. The code does not
actually wait for a UDP response, but should exit with a zero return code when


$ gcc -o frob-cldap-initfd -Wall -lldap -llber frob-cldap-initfd.c
$ ./frob-cldap-initfd
frob-cldap-initfd: ldap_search_ext: -1

The above result occurs before the patch is applied.