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From 2bb2ee9c239d965a00da0d6ac8ada7aeee758ace Mon Sep 17 00:00:00 2001
From: Colin Walters <walters@verbum.org>
Date: Tue, 17 Dec 2013 18:48:48 -0500
Subject: [PATCH] Use /usr/lib/passwd for system users (if it exists)

See https://sourceware.org/bugzilla/show_bug.cgi?id=16142
---
 lib/defines.h           |  8 +++++
 lib/groupio.c           | 81 ++++++++++++++++++++++++++++++++++++++++++++++---
 lib/groupio.h           |  7 +++++
 lib/pwio.c              | 81 ++++++++++++++++++++++++++++++++++++++++++++++---
 lib/pwio.h              |  7 +++++
 libmisc/cleanup_group.c |  2 +-
 src/groupadd.c          | 24 +++++++--------
 src/newusers.c          | 18 +++++------
 src/useradd.c           | 68 ++++++++++++++++++++---------------------
 9 files changed, 230 insertions(+), 66 deletions(-)

diff --git a/lib/defines.h b/lib/defines.h
index c5d84a8..27ad429 100644
--- a/lib/defines.h
+++ b/lib/defines.h
@@ -302,10 +302,18 @@ char *strchr (), *strrchr (), *strtok ();
 #define PASSWD_FILE "/etc/passwd"
 #endif
 
+#ifndef USRLIB_PASSWD_FILE
+#define USRLIB_PASSWD_FILE "/usr/lib/passwd"
+#endif
+
 #ifndef GROUP_FILE
 #define GROUP_FILE "/etc/group"
 #endif
 
+#ifndef USRLIB_GROUP_FILE
+#define USRLIB_GROUP_FILE "/usr/lib/group"
+#endif
+
 #ifndef SHADOW_FILE
 #define SHADOW_FILE "/etc/shadow"
 #endif
diff --git a/lib/groupio.c b/lib/groupio.c
index e0bb030..26f4da7 100644
--- a/lib/groupio.c
+++ b/lib/groupio.c
@@ -139,6 +139,42 @@ static /*@owned@*/struct commonio_db group_db = {
 	false			/* readonly */
 };
 
+static struct commonio_db usrlib_group_db = {
+	USRLIB_GROUP_FILE,	/* filename */
+	&group_ops,		/* ops */
+	NULL,			/* fp */
+#ifdef WITH_SELINUX
+	NULL,			/* scontext */
+#endif
+	NULL,			/* head */
+	NULL,			/* tail */
+	NULL,			/* cursor */
+	false,			/* changed */
+	false,			/* isopen */
+	false,			/* locked */
+	false			/* readonly */
+};
+
+static struct commonio_db *
+get_db (int usrlib)
+{
+	static int checked_usrlib;
+	static int have_usrlib;
+
+	if (!usrlib)
+		return &group_db;
+
+	if (!checked_usrlib) {
+		struct stat stbuf;
+		checked_usrlib = 1;
+		have_usrlib = lstat (usrlib_group_db.filename, &stbuf) == 0;
+	}
+
+	if (have_usrlib)
+		return &usrlib_group_db;
+	return &group_db;
+}
+
 int gr_setdbname (const char *filename)
 {
 	return commonio_setname (&group_db, filename);
@@ -149,14 +185,29 @@ int gr_setdbname (const char *filename)
 	return group_db.filename;
 }
 
+/*@observer@*/const char *gr_dbname_extended (int usrlib)
+{
+	return get_db (usrlib)->filename;
+}
+
 int gr_lock (void)
 {
-	return commonio_lock (&group_db);
+	return gr_lock_extended (0);
+}
+
+int gr_lock_extended (int usrlib)
+{
+	return commonio_lock (get_db (usrlib));
 }
 
 int gr_open (int mode)
 {
-	return commonio_open (&group_db, mode);
+	return gr_open_extended (0, mode);
+}
+
+int gr_open_extended (int usrlib, int mode)
+{
+	return commonio_open (get_db (usrlib), mode);
 }
 
 /*@observer@*/ /*@null@*/const struct group *gr_locate (const char *name)
@@ -178,7 +229,12 @@ int gr_open (int mode)
 
 int gr_update (const struct group *gr)
 {
-	return commonio_update (&group_db, (const void *) gr);
+	return gr_update_extended (0, gr);
+}
+
+int gr_update_extended (int usrlib, const struct group *gr)
+{
+	return commonio_update (get_db (usrlib), (const void *) gr);
 }
 
 int gr_remove (const char *name)
@@ -186,6 +242,11 @@ int gr_remove (const char *name)
 	return commonio_remove (&group_db, name);
 }
 
+int gr_remove_extended (int usrlib, const char *name)
+{
+	return commonio_remove (get_db (usrlib), name);
+}
+
 int gr_rewind (void)
 {
 	return commonio_rewind (&group_db);
@@ -198,12 +259,22 @@ int gr_rewind (void)
 
 int gr_close (void)
 {
-	return commonio_close (&group_db);
+	return gr_close_extended (0);
+}
+
+int gr_close_extended (int usrlib)
+{
+	return commonio_close (get_db (usrlib));
 }
 
 int gr_unlock (void)
 {
-	return commonio_unlock (&group_db);
+	return gr_unlock_extended (0);
+}
+
+int gr_unlock_extended (int usrlib)
+{
+	return commonio_unlock (get_db (usrlib));
 }
 
 void __gr_set_changed (void)
diff --git a/lib/groupio.h b/lib/groupio.h
index 6440523..01f66d5 100644
--- a/lib/groupio.h
+++ b/lib/groupio.h
@@ -39,17 +39,24 @@
 #include <grp.h>
 
 extern int gr_close (void);
+extern int gr_close_extended (int usrlib);
 extern /*@observer@*/ /*@null@*/const struct group *gr_locate (const char *name);
 extern /*@observer@*/ /*@null@*/const struct group *gr_locate_gid (gid_t gid);
 extern int gr_lock (void);
+extern int gr_lock_extended (int usrlib);
 extern int gr_setdbname (const char *filename);
 extern /*@observer@*/const char *gr_dbname (void);
+extern /*@observer@*/const char *gr_dbname_extended (int rflg);
 extern /*@observer@*/ /*@null@*/const struct group *gr_next (void);
 extern int gr_open (int mode);
+extern int gr_open_extended (int usrlib, int mode);
 extern int gr_remove (const char *name);
+extern int gr_remove_extended (int usrlib, const char *name);
 extern int gr_rewind (void);
 extern int gr_unlock (void);
+extern int gr_unlock_extended (int usrlib);
 extern int gr_update (const struct group *gr);
+extern int gr_update_extended (int usrlib, const struct group *gr);
 extern int gr_sort (void);
 
 #endif
diff --git a/lib/pwio.c b/lib/pwio.c
index d63d15d..47431dd 100644
--- a/lib/pwio.c
+++ b/lib/pwio.c
@@ -114,6 +114,42 @@ static struct commonio_db passwd_db = {
 	false			/* readonly */
 };
 
+static struct commonio_db usrlib_passwd_db = {
+	USRLIB_PASSWD_FILE,	/* filename */
+	&passwd_ops,		/* ops */
+	NULL,			/* fp */
+#ifdef WITH_SELINUX
+	NULL,			/* scontext */
+#endif
+	NULL,			/* head */
+	NULL,			/* tail */
+	NULL,			/* cursor */
+	false,			/* changed */
+	false,                  /* isopen */
+	false,			/* locked */
+	false			/* readonly */
+};
+
+static struct commonio_db *
+get_db (int usrlib)
+{
+	static int checked_usrlib;
+	static int have_usrlib;
+
+	if (!usrlib)
+		return &passwd_db;
+
+	if (!checked_usrlib) {
+		struct stat stbuf;
+		checked_usrlib = 1;
+		have_usrlib = lstat (usrlib_passwd_db.filename, &stbuf) == 0;
+	}
+
+	if (have_usrlib)
+		return &usrlib_passwd_db;
+	return &passwd_db;
+}
+
 int pw_setdbname (const char *filename)
 {
 	return commonio_setname (&passwd_db, filename);
@@ -124,9 +160,19 @@ int pw_setdbname (const char *filename)
 	return passwd_db.filename;
 }
 
+/*@observer@*/const char *pw_dbname_extended (int usrlib)
+{
+	return get_db (usrlib)->filename;
+}
+
 int pw_lock (void)
 {
-	return commonio_lock (&passwd_db);
+	return pw_lock_extended (0);
+}
+
+int pw_lock_extended (int usrlib)
+{
+	return commonio_lock (get_db (usrlib));
 }
 
 int pw_open (int mode)
@@ -134,6 +180,11 @@ int pw_open (int mode)
 	return commonio_open (&passwd_db, mode);
 }
 
+int pw_open_extended (int usrlib, int mode)
+{
+	return commonio_open (get_db (usrlib), mode);
+}
+
 /*@observer@*/ /*@null@*/const struct passwd *pw_locate (const char *name)
 {
 	return commonio_locate (&passwd_db, name);
@@ -153,12 +204,22 @@ int pw_open (int mode)
 
 int pw_update (const struct passwd *pw)
 {
-	return commonio_update (&passwd_db, (const void *) pw);
+	return pw_update_extended (0, pw);
+}
+
+int pw_update_extended (int usrlib, const struct passwd *pw)
+{
+	return commonio_update (get_db (usrlib), (const void *) pw);
 }
 
 int pw_remove (const char *name)
 {
-	return commonio_remove (&passwd_db, name);
+	return pw_remove_extended (0, name);
+}
+
+int pw_remove_extended (int usrlib, const char *name)
+{
+	return commonio_remove (get_db (usrlib), name);
 }
 
 int pw_rewind (void)
@@ -173,12 +234,22 @@ int pw_rewind (void)
 
 int pw_close (void)
 {
-	return commonio_close (&passwd_db);
+	return pw_close_extended (0);
+}
+
+int pw_close_extended (int usrlib)
+{
+	return commonio_close (get_db (usrlib));
 }
 
 int pw_unlock (void)
 {
-	return commonio_unlock (&passwd_db);
+	return pw_unlock_extended (0);
+}
+
+int pw_unlock_extended (int usrlib)
+{
+	return commonio_unlock (get_db (usrlib));
 }
 
 /*@null@*/struct commonio_entry *__pw_get_head (void)
diff --git a/lib/pwio.h b/lib/pwio.h
index 0ee961d..ca73361 100644
--- a/lib/pwio.h
+++ b/lib/pwio.h
@@ -39,17 +39,24 @@
 #include <pwd.h>
 
 extern int pw_close (void);
+extern int pw_close_extended (int usrlib);
 extern /*@observer@*/ /*@null@*/const struct passwd *pw_locate (const char *name);
 extern /*@observer@*/ /*@null@*/const struct passwd *pw_locate_uid (uid_t uid);
 extern int pw_lock (void);
+extern int pw_lock_extended (int usrlib);
 extern int pw_setdbname (const char *filename);
 extern /*@observer@*/const char *pw_dbname (void);
+extern /*@observer@*/const char *pw_dbname_extended (int rflg);
 extern /*@observer@*/ /*@null@*/const struct passwd *pw_next (void);
 extern int pw_open (int mode);
+extern int pw_open_extended (int usrlib, int mode);
 extern int pw_remove (const char *name);
+extern int pw_remove_extended (int usrlib, const char *name);
 extern int pw_rewind (void);
 extern int pw_unlock (void);
+extern int pw_unlock_extended (int usrlib);
 extern int pw_update (const struct passwd *pw);
+extern int pw_update_extended (int usrlib, const struct passwd *pw);
 extern int pw_sort (void);
 
 #endif
diff --git a/libmisc/cleanup_group.c b/libmisc/cleanup_group.c
index d07adc7..cbfc2c6 100644
--- a/libmisc/cleanup_group.c
+++ b/libmisc/cleanup_group.c
@@ -202,7 +202,7 @@ void cleanup_report_del_group_gshadow (void *group_name)
  */
 void cleanup_unlock_group (unused void *arg)
 {
-	if (gr_unlock () == 0) {
+	if (gr_unlock_extended ((intptr_t)arg) == 0) {
 		fprintf (stderr,
 		         _("%s: failed to unlock %s\n"),
 		         Prog, gr_dbname ());
diff --git a/src/groupadd.c b/src/groupadd.c
index 84ff55e..f6079aa 100644
--- a/src/groupadd.c
+++ b/src/groupadd.c
@@ -206,10 +206,10 @@ static void grp_update (void)
 	/*
 	 * Write out the new group file entry.
 	 */
-	if (gr_update (&grp) == 0) {
+	if (gr_update_extended (rflg, &grp) == 0) {
 		fprintf (stderr,
 		         _("%s: failed to prepare the new %s entry '%s'\n"),
-		         Prog, gr_dbname (), grp.gr_name);
+		         Prog, gr_dbname_extended (rflg), grp.gr_name);
 		exit (E_GRP_UPDATE);
 	}
 #ifdef	SHADOWGRP
@@ -256,10 +256,10 @@ static void check_new_name (void)
 static void close_files (void)
 {
 	/* First, write the changes in the regular group database */
-	if (gr_close () == 0) {
+	if (gr_close_extended (rflg) == 0) {
 		fprintf (stderr,
 		         _("%s: failure while writing changes to %s\n"),
-		         Prog, gr_dbname ());
+		         Prog, gr_dbname_extended (rflg));
 		exit (E_GRP_UPDATE);
 	}
 #ifdef WITH_AUDIT
@@ -269,10 +269,10 @@ static void close_files (void)
 	              SHADOW_AUDIT_SUCCESS);
 #endif
 	SYSLOG ((LOG_INFO, "group added to %s: name=%s, GID=%u",
-	         gr_dbname (), group_name, (unsigned int) group_id));
+	         gr_dbname_extended (rflg), group_name, (unsigned int) group_id));
 	del_cleanup (cleanup_report_add_group_group);
 
-	cleanup_unlock_group (NULL);
+	cleanup_unlock_group ((void*)rflg);
 	del_cleanup (cleanup_unlock_group);
 
 	/* Now, write the changes in the shadow database */
@@ -319,13 +319,13 @@ static void close_files (void)
 static void open_files (void)
 {
 	/* First, lock the databases */
-	if (gr_lock () == 0) {
+	if (gr_lock_extended (rflg) == 0) {
 		fprintf (stderr,
 		         _("%s: cannot lock %s; try again later.\n"),
-		         Prog, gr_dbname ());
+		         Prog, gr_dbname_extended (rflg));
 		exit (E_GRP_UPDATE);
 	}
-	add_cleanup (cleanup_unlock_group, NULL);
+	add_cleanup (cleanup_unlock_group, (void*)rflg);
 
 #ifdef	SHADOWGRP
 	if (is_shadow_grp) {
@@ -346,9 +346,9 @@ static void open_files (void)
 	add_cleanup (cleanup_report_add_group, group_name);
 
 	/* And now open the databases */
-	if (gr_open (O_RDWR) == 0) {
-		fprintf (stderr, _("%s: cannot open %s\n"), Prog, gr_dbname ());
-		SYSLOG ((LOG_WARN, "cannot open %s", gr_dbname ()));
+	if (gr_open_extended (rflg, O_RDWR) == 0) {
+		fprintf (stderr, _("%s: cannot open %s\n"), Prog, gr_dbname_extended (rflg));
+		SYSLOG ((LOG_WARN, "cannot open %s", gr_dbname_extended (rflg)));
 		exit (E_GRP_UPDATE);
 	}
 
diff --git a/src/newusers.c b/src/newusers.c
index ac6f538..136926b 100644
--- a/src/newusers.c
+++ b/src/newusers.c
@@ -380,7 +380,7 @@ static int add_user (const char *name, uid_t uid, gid_t gid)
 	pwent.pw_dir = "";	/* XXX warning: const */
 	pwent.pw_shell = "";	/* XXX warning: const */
 
-	return (pw_update (&pwent) == 0) ? -1 : 0;
+	return (pw_update_extended (rflg, &pwent) == 0) ? -1 : 0;
 }
 
 #ifndef USE_PAM
@@ -714,7 +714,7 @@ static void open_files (void)
 	 * modified, or new entries added. The password file is the key - if
 	 * it gets locked, assume the others can be locked right away.
 	 */
-	if (pw_lock () == 0) {
+	if (pw_lock_extended (rflg) == 0) {
 		fprintf (stderr,
 		         _("%s: cannot lock %s; try again later.\n"),
 		         Prog, pw_dbname ());
@@ -730,7 +730,7 @@ static void open_files (void)
 		}
 		spw_locked = true;
 	}
-	if (gr_lock () == 0) {
+	if (gr_lock_extended (rflg) == 0) {
 		fprintf (stderr,
 		         _("%s: cannot lock %s; try again later.\n"),
 		         Prog, gr_dbname ());
@@ -749,7 +749,7 @@ static void open_files (void)
 	}
 #endif
 
-	if (pw_open (O_RDWR) == 0) {
+	if (pw_open_extended (rflg, O_RDWR) == 0) {
 		fprintf (stderr, _("%s: cannot open %s\n"), Prog, pw_dbname ());
 		fail_exit (EXIT_FAILURE);
 	}
@@ -757,7 +757,7 @@ static void open_files (void)
 		fprintf (stderr, _("%s: cannot open %s\n"), Prog, spw_dbname ());
 		fail_exit (EXIT_FAILURE);
 	}
-	if (gr_open (O_RDWR) == 0) {
+	if (gr_open_extended (rflg, O_RDWR) == 0) {
 		fprintf (stderr, _("%s: cannot open %s\n"), Prog, gr_dbname ());
 		fail_exit (EXIT_FAILURE);
 	}
@@ -774,12 +774,12 @@ static void open_files (void)
  */
 static void close_files (void)
 {
-	if (pw_close () == 0) {
+	if (pw_close_extended (rflg) == 0) {
 		fprintf (stderr, _("%s: failure while writing changes to %s\n"), Prog, pw_dbname ());
 		SYSLOG ((LOG_ERR, "failure while writing changes to %s", pw_dbname ()));
 		fail_exit (EXIT_FAILURE);
 	}
-	if (pw_unlock () == 0) {
+	if (pw_unlock_extended (rflg) == 0) {
 		fprintf (stderr, _("%s: failed to unlock %s\n"), Prog, pw_dbname ());
 		SYSLOG ((LOG_ERR, "failed to unlock %s", pw_dbname ()));
 		/* continue */
@@ -804,14 +804,14 @@ static void close_files (void)
 		spw_locked = false;
 	}
 
-	if (gr_close () == 0) {
+	if (gr_close_extended (rflg) == 0) {
 		fprintf (stderr,
 		         _("%s: failure while writing changes to %s\n"),
 		         Prog, gr_dbname ());
 		SYSLOG ((LOG_ERR, "failure while writing changes to %s", gr_dbname ()));
 		fail_exit (EXIT_FAILURE);
 	}
-	if (gr_unlock () == 0) {
+	if (gr_unlock_extended (rflg) == 0) {
 		fprintf (stderr,
 		         _("%s: failed to unlock %s\n"),
 		         Prog, gr_dbname ());
diff --git a/src/useradd.c b/src/useradd.c
index b686f14..78979ab 100644
--- a/src/useradd.c
+++ b/src/useradd.c
@@ -228,9 +228,9 @@ static void fail_exit (int code)
 		}
 	}
 	if (pw_locked) {
-		if (pw_unlock () == 0) {
-			fprintf (stderr, _("%s: failed to unlock %s\n"), Prog, pw_dbname ());
-			SYSLOG ((LOG_ERR, "failed to unlock %s", pw_dbname ()));
+		if (pw_unlock_extended (rflg) == 0) {
+			fprintf (stderr, _("%s: failed to unlock %s\n"), Prog, pw_dbname_extended (rflg));
+			SYSLOG ((LOG_ERR, "failed to unlock %s", pw_dbname_extended (rflg)));
 #ifdef WITH_AUDIT
 			audit_logger (AUDIT_ADD_USER, Prog,
 			              "unlocking passwd file",
@@ -241,9 +241,9 @@ static void fail_exit (int code)
 		}
 	}
 	if (gr_locked) {
-		if (gr_unlock () == 0) {
-			fprintf (stderr, _("%s: failed to unlock %s\n"), Prog, gr_dbname ());
-			SYSLOG ((LOG_ERR, "failed to unlock %s", gr_dbname ()));
+		if (gr_unlock_extended (rflg) == 0) {
+			fprintf (stderr, _("%s: failed to unlock %s\n"), Prog, gr_dbname_extended (rflg));
+			SYSLOG ((LOG_ERR, "failed to unlock %s", gr_dbname_extended (rflg)));
 #ifdef WITH_AUDIT
 			audit_logger (AUDIT_ADD_USER, Prog,
 			              "unlocking group file",
@@ -847,7 +847,7 @@ static void grp_update (void)
 			fprintf (stderr,
 			         _("%s: Out of memory. Cannot update %s.\n"),
 			         Prog, gr_dbname ());
-			SYSLOG ((LOG_ERR, "failed to prepare the new %s entry '%s'", gr_dbname (), user_name));
+			SYSLOG ((LOG_ERR, "failed to prepare the new %s entry '%s'", gr_dbname_extended (rflg), user_name));
 #ifdef WITH_AUDIT
 			audit_logger (AUDIT_ADD_USER, Prog,
 			              "adding user to group",
@@ -862,11 +862,11 @@ static void grp_update (void)
 		 * update the group entry to reflect the change.
 		 */
 		ngrp->gr_mem = add_list (ngrp->gr_mem, user_name);
-		if (gr_update (ngrp) == 0) {
+		if (gr_update_extended (rflg, ngrp) == 0) {
 			fprintf (stderr,
 			         _("%s: failed to prepare the new %s entry '%s'\n"),
-			         Prog, gr_dbname (), ngrp->gr_name);
-			SYSLOG ((LOG_ERR, "failed to prepare the new %s entry '%s'", gr_dbname (), user_name));
+			         Prog, gr_dbname_extended (rflg), ngrp->gr_name);
+			SYSLOG ((LOG_ERR, "failed to prepare the new %s entry '%s'", gr_dbname_extended (rflg), user_name));
 #ifdef WITH_AUDIT
 			audit_logger (AUDIT_ADD_USER, Prog,
 			              "adding user to group",
@@ -1351,9 +1351,9 @@ static void process_flags (int argc, char **argv)
  */
 static void close_files (void)
 {
-	if (pw_close () == 0) {
-		fprintf (stderr, _("%s: failure while writing changes to %s\n"), Prog, pw_dbname ());
-		SYSLOG ((LOG_ERR, "failure while writing changes to %s", pw_dbname ()));
+	if (pw_close_extended (rflg) == 0) {
+		fprintf (stderr, _("%s: failure while writing changes to %s\n"), Prog, pw_dbname_extended (rflg));
+		SYSLOG ((LOG_ERR, "failure while writing changes to %s", pw_dbname_extended (rflg)));
 		fail_exit (E_PW_UPDATE);
 	}
 	if (is_shadow_pwd && (spw_close () == 0)) {
@@ -1363,10 +1363,10 @@ static void close_files (void)
 		fail_exit (E_PW_UPDATE);
 	}
 	if (do_grp_update) {
-		if (gr_close () == 0) {
+		if (gr_close_extended (rflg) == 0) {
 			fprintf (stderr,
-			         _("%s: failure while writing changes to %s\n"), Prog, gr_dbname ());
-			SYSLOG ((LOG_ERR, "failure while writing changes to %s", gr_dbname ()));
+			         _("%s: failure while writing changes to %s\n"), Prog, gr_dbname_extended (rflg));
+			SYSLOG ((LOG_ERR, "failure while writing changes to %s", gr_dbname_extended (rflg)));
 			fail_exit (E_GRP_UPDATE);
 		}
 #ifdef	SHADOWGRP
@@ -1393,9 +1393,9 @@ static void close_files (void)
 		}
 		spw_locked = false;
 	}
-	if (pw_unlock () == 0) {
-		fprintf (stderr, _("%s: failed to unlock %s\n"), Prog, pw_dbname ());
-		SYSLOG ((LOG_ERR, "failed to unlock %s", pw_dbname ()));
+	if (pw_unlock_extended (rflg) == 0) {
+		fprintf (stderr, _("%s: failed to unlock %s\n"), Prog, pw_dbname_extended (rflg));
+		SYSLOG ((LOG_ERR, "failed to unlock %s", pw_dbname_extended (rflg)));
 #ifdef WITH_AUDIT
 		audit_logger (AUDIT_ADD_USER, Prog,
 		              "unlocking passwd file",
@@ -1405,9 +1405,9 @@ static void close_files (void)
 		/* continue */
 	}
 	pw_locked = false;
-	if (gr_unlock () == 0) {
-		fprintf (stderr, _("%s: failed to unlock %s\n"), Prog, gr_dbname ());
-		SYSLOG ((LOG_ERR, "failed to unlock %s", gr_dbname ()));
+	if (gr_unlock_extended (rflg) == 0) {
+		fprintf (stderr, _("%s: failed to unlock %s\n"), Prog, gr_dbname_extended (rflg));
+		SYSLOG ((LOG_ERR, "failed to unlock %s", gr_dbname_extended (rflg)));
 #ifdef WITH_AUDIT
 		audit_logger (AUDIT_ADD_USER, Prog,
 		              "unlocking group file",
@@ -1442,15 +1442,15 @@ static void close_files (void)
  */
 static void open_files (void)
 {
-	if (pw_lock () == 0) {
+	if (pw_lock_extended (rflg) == 0) {
 		fprintf (stderr,
 		         _("%s: cannot lock %s; try again later.\n"),
-		         Prog, pw_dbname ());
+		         Prog, pw_dbname_extended (rflg));
 		exit (E_PW_UPDATE);
 	}
 	pw_locked = true;
-	if (pw_open (O_RDWR) == 0) {
-		fprintf (stderr, _("%s: cannot open %s\n"), Prog, pw_dbname ());
+	if (pw_open_extended (rflg, O_RDWR) == 0) {
+		fprintf (stderr, _("%s: cannot open %s\n"), Prog, pw_dbname_extended (rflg));
 		fail_exit (E_PW_UPDATE);
 	}
 
@@ -1459,15 +1459,15 @@ static void open_files (void)
 	/*
 	 * Lock and open the group file.
 	 */
-	if (gr_lock () == 0) {
+	if (gr_lock_extended (rflg) == 0) {
 		fprintf (stderr,
 		         _("%s: cannot lock %s; try again later.\n"),
-		         Prog, gr_dbname ());
+		         Prog, gr_dbname_extended (rflg));
 		fail_exit (E_GRP_UPDATE);
 	}
 	gr_locked = true;
-	if (gr_open (O_RDWR) == 0) {
-		fprintf (stderr, _("%s: cannot open %s\n"), Prog, gr_dbname ());
+	if (gr_open_extended (rflg, O_RDWR) == 0) {
+		fprintf (stderr, _("%s: cannot open %s\n"), Prog, gr_dbname_extended (rflg));
 		fail_exit (E_GRP_UPDATE);
 	}
 #ifdef  SHADOWGRP
@@ -1578,10 +1578,10 @@ static void grp_add (void)
 	/*
 	 * Write out the new group file entry.
 	 */
-	if (gr_update (&grp) == 0) {
+	if (gr_update_extended (rflg, &grp) == 0) {
 		fprintf (stderr,
 		         _("%s: failed to prepare the new %s entry '%s'\n"),
-		         Prog, gr_dbname (), grp.gr_name);
+		         Prog, gr_dbname_extended (rflg), grp.gr_name);
 #ifdef WITH_AUDIT
 		audit_logger (AUDIT_ADD_GROUP, Prog,
 		              "adding group",
@@ -1711,10 +1711,10 @@ static void usr_update (void)
 	/*
 	 * Put the new (struct passwd) in the table.
 	 */
-	if (pw_update (&pwent) == 0) {
+	if (pw_update_extended (rflg, &pwent) == 0) {
 		fprintf (stderr,
 		         _("%s: failed to prepare the new %s entry '%s'\n"),
-		         Prog, pw_dbname (), pwent.pw_name);
+		         Prog, pw_dbname_extended (rflg), pwent.pw_name);
 		fail_exit (E_PW_UPDATE);
 	}
 
-- 
1.8.3.1