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Slurpd uses thread-unsafe function (ITS#2221)

Full_Name: Dave Horsfall
Version: 2.0.25
URL: ftp://ftp.openldap.org/incoming/
Submission from: (NULL) (

Although seen in 2.0.25, code inspection shows the same problem to be present in
2.0.27 and 2.1.8.

Slurpd, via libraries/libldap/os-ip.c, calls getaddrinfo() within the
replication thread, and on FreeBSD (and perhaps other systems) this function is
not thread-safe.  Symptom is that getaddrinfo() never returns when more than one
thread is spawned.

The simple fix would appear to be to not define HAVE_GETADDRINFO on FreeBSD
platforms and others where getaddrinfo() is not thread-safe.

If I knew my way around "configure" (which I don't), I'd submit a patch...