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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.
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72
nss/nss_files/files-init.c
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72
nss/nss_files/files-init.c
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/* Initialization in nss_files module.
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Copyright (C) 2011 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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#include <nscd/nscd.h>
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static union
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{
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struct traced_file file;
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char buf[sizeof (struct traced_file) + sizeof ("/etc/passwd")];
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} pwd_traced_file;
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static union
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{
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struct traced_file file;
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char buf[sizeof (struct traced_file) + sizeof ("/etc/group")];
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} grp_traced_file;
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static union
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{
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struct traced_file file;
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char buf[sizeof (struct traced_file) + sizeof ("/etc/hosts")];
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} hst_traced_file;
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static union
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{
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struct traced_file file;
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char buf[sizeof (struct traced_file) + sizeof ("/etc/resolv.conf")];
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} resolv_traced_file;
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static union
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{
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struct traced_file file;
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char buf[sizeof (struct traced_file) + sizeof ("/etc/services")];
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} serv_traced_file;
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void
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_nss_files_init (void (*cb) (size_t, struct traced_file *))
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{
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strcpy (pwd_traced_file.file.fname, "/etc/passwd");
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cb (pwddb, &pwd_traced_file.file);
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strcpy (grp_traced_file.file.fname, "/etc/group");
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cb (grpdb, &grp_traced_file.file);
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strcpy (hst_traced_file.file.fname, "/etc/hosts");
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cb (hstdb, &hst_traced_file.file);
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resolv_traced_file.file.call_res_init = 1;
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strcpy (resolv_traced_file.file.fname, "/etc/resolv.conf");
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cb (hstdb, &resolv_traced_file.file);
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strcpy (serv_traced_file.file.fname, "/etc/services");
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cb (servdb, &serv_traced_file.file);
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}
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