From: Lennart Poettering <lennart@poettering.net>
Date: Thu, 10 Jul 2014 18:38:07 +0000 (+0200)
Subject: nss-myhostname: only export the NSS entry point symbols, nothing else
X-Git-Tag: v216~682
X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=commitdiff_plain;h=947127ff6230b44623afec3e6aacc85f54168db2

nss-myhostname: only export the NSS entry point symbols, nothing else
---

diff --git a/Makefile.am b/Makefile.am
index 425a5e16a..b28fa3feb 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -4397,6 +4397,7 @@ endif
 # ------------------------------------------------------------------------------
 if HAVE_MYHOSTNAME
 libnss_myhostname_la_SOURCES = \
+	src/nss-myhostname/nss-myhostname.sym \
 	src/nss-myhostname/nss-myhostname.c \
 	src/nss-myhostname/addresses.h \
 	src/nss-myhostname/addresses.c
@@ -4407,7 +4408,8 @@ libnss_myhostname_la_LDFLAGS = \
 	-export-dynamic \
 	-avoid-version \
 	-shared \
-	-shrext .so.2
+	-shrext .so.2 \
+	-Wl,--version-script=$(top_srcdir)/src/nss-myhostname/nss-myhostname.sym
 
 libnss_myhostname_la_LIBADD = \
 	libsystemd-shared.la \
diff --git a/src/nss-myhostname/nss-myhostname.sym b/src/nss-myhostname/nss-myhostname.sym
new file mode 100644
index 000000000..dcfc2e400
--- /dev/null
+++ b/src/nss-myhostname/nss-myhostname.sym
@@ -0,0 +1,19 @@
+/***
+  This file is part of systemd.
+
+  systemd is free software; you can redistribute it and/or modify it
+  under the terms of the GNU Lesser General Public License as published by
+  the Free Software Foundation; either version 2.1 of the License, or
+  (at your option) any later version.
+***/
+
+{
+global:
+        _nss_myhostname_gethostbyaddr2_r;
+        _nss_myhostname_gethostbyaddr_r;
+        _nss_myhostname_gethostbyname2_r;
+        _nss_myhostname_gethostbyname3_r;
+        _nss_myhostname_gethostbyname4_r;
+        _nss_myhostname_gethostbyname_r;
+local: *;
+};