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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
actually happens if nss_ldap is used for hostname resolution and earlier
modules can't resolve the local host name), so use the reentrant versions of
the functions, even if we're not being compiled for use in libldap_r (patch
from Jeffery Layton, #179730).
This commit is contained in:
Nalin Dahyabhai 2006-02-24 01:09:36 +00:00
parent 282cf62c22
commit b944bc0fd9
1 changed files with 28 additions and 0 deletions
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28
openldap-2.3.19-gethostbyXXXX_r.patch Normal file
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@ -0,0 +1,28 @@
The non-reentrant gethostbyXXXX() functions deadlock if called recursively, for
example if libldap needs to be initialized from within gethostbyXXXX() (which
actually happens if nss_ldap is used for hostname resolution and earlier
modules can't resolve the local host name), so use the reentrant versions of
the functions, even if we're not being compiled for use in libldap_r (patch
from Jeffery Layton, #179730).
--- openldap-2.3.19/libraries/libldap/util-int.c 2006-02-23 15:42:14.000000000 -0500
+++ openldap-2.3.19/libraries/libldap/util-int.c 2006-02-23 15:42:02.000000000 -0500
@@ -52,8 +52,8 @@
#ifndef LDAP_R_COMPILE
# undef HAVE_REENTRANT_FUNCTIONS
# undef HAVE_CTIME_R
-# undef HAVE_GETHOSTBYNAME_R
-# undef HAVE_GETHOSTBYADDR_R
+/* # undef HAVE_GETHOSTBYNAME_R */
+/* # undef HAVE_GETHOSTBYADDR_R */
#else
# include <ldap_pvt_thread.h>
@@ -110,7 +110,7 @@
#define BUFSTART (1024-32)
#define BUFMAX (32*1024-32)
-#if defined(LDAP_R_COMPILE)
+#if defined(LDAP_R_COMPILE) || defined(HAVE_GETHOSTBYNAME_R) && defined(HAVE_GETHOSTBYADDR_R)
static char *safe_realloc( char **buf, int len );
#if !(defined(HAVE_GETHOSTBYNAME_R) && defined(HAVE_GETHOSTBYADDR_R))