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The non-reentrant gethostbyXXXX() functions deadlock if called recursively, for
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example if libldap needs to be initialized from within gethostbyXXXX() (which
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actually happens if nss_ldap is used for hostname resolution and earlier
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modules can't resolve the local host name), so use the reentrant versions of
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the functions, even if we're not being compiled for use in libldap_r
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Resolves: #179730
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Author: Jeffery Layton <jlayton@redhat.com>
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diff --git a/libraries/libldap/util-int.c b/libraries/libldap/util-int.c
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index aa69f70..4461bf2 100644
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--- a/libraries/libldap/util-int.c
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+++ b/libraries/libldap/util-int.c
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@@ -52,8 +52,8 @@ extern int h_errno;
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#ifndef LDAP_R_COMPILE
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# undef HAVE_REENTRANT_FUNCTIONS
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# undef HAVE_CTIME_R
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-# undef HAVE_GETHOSTBYNAME_R
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-# undef HAVE_GETHOSTBYADDR_R
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+/* # undef HAVE_GETHOSTBYNAME_R */
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+/* # undef HAVE_GETHOSTBYADDR_R */
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#else
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# include <ldap_pvt_thread.h>
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@@ -442,7 +442,7 @@ ldap_pvt_csnstr(char *buf, size_t len, unsigned int replica, unsigned int mod)
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#define BUFSTART (1024-32)
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#define BUFMAX (32*1024-32)
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-#if defined(LDAP_R_COMPILE)
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+#if defined(LDAP_R_COMPILE) || defined(HAVE_GETHOSTBYNAME_R) && defined(HAVE_GETHOSTBYADDR_R)
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static char *safe_realloc( char **buf, int len );
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#if !(defined(HAVE_GETHOSTBYNAME_R) && defined(HAVE_GETHOSTBYADDR_R))
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