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authorUlrich Drepper <drepper@gmail.com>2011-07-11 14:50:24 -0400
committerUlrich Drepper <drepper@gmail.com>2011-07-11 14:50:24 -0400
commit319b9ad4bccedb2a6b1a222cf446e873b2bc6de1 (patch)
tree7951727c0dbd4394af52715e226745986e8beeb4 /nss/nss_files
parent23bee3e8677c9357662ce789ed77fe25f3991c66 (diff)
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Generalize framework to register monitoring of files in nscd
nscd can clear caches when certain files change. The list of files was hardcoded so far and worked for nss_files and nss_dns and those modules which need no monitoring. nss_db, for instance, has its own set of files to monitor. Now the NSS modules themselves can request that certain files are monitored.
Diffstat (limited to 'nss/nss_files')
-rw-r--r--nss/nss_files/files-init.c72
1 files changed, 72 insertions, 0 deletions
diff --git a/nss/nss_files/files-init.c b/nss/nss_files/files-init.c
new file mode 100644
index 0000000000..cc6822d305
--- /dev/null
+++ b/nss/nss_files/files-init.c
@@ -0,0 +1,72 @@
+/* Initialization in nss_files module.
+ Copyright (C) 2011 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library 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.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include <nscd/nscd.h>
+
+
+static union
+{
+ struct traced_file file;
+ char buf[sizeof (struct traced_file) + sizeof ("/etc/passwd")];
+} pwd_traced_file;
+
+static union
+{
+ struct traced_file file;
+ char buf[sizeof (struct traced_file) + sizeof ("/etc/group")];
+} grp_traced_file;
+
+static union
+{
+ struct traced_file file;
+ char buf[sizeof (struct traced_file) + sizeof ("/etc/hosts")];
+} hst_traced_file;
+
+static union
+{
+ struct traced_file file;
+ char buf[sizeof (struct traced_file) + sizeof ("/etc/resolv.conf")];
+} resolv_traced_file;
+
+static union
+{
+ struct traced_file file;
+ char buf[sizeof (struct traced_file) + sizeof ("/etc/services")];
+} serv_traced_file;
+
+
+void
+_nss_files_init (void (*cb) (size_t, struct traced_file *))
+{
+ strcpy (pwd_traced_file.file.fname, "/etc/passwd");
+ cb (pwddb, &pwd_traced_file.file);
+
+ strcpy (grp_traced_file.file.fname, "/etc/group");
+ cb (grpdb, &grp_traced_file.file);
+
+ strcpy (hst_traced_file.file.fname, "/etc/hosts");
+ cb (hstdb, &hst_traced_file.file);
+
+ resolv_traced_file.file.call_res_init = 1;
+ strcpy (resolv_traced_file.file.fname, "/etc/resolv.conf");
+ cb (hstdb, &resolv_traced_file.file);
+
+ strcpy (serv_traced_file.file.fname, "/etc/services");
+ cb (servdb, &serv_traced_file.file);
+}