1 files changed, 126 insertions, 0 deletions
diff --git a/usr/src/lib/nsswitch/files/common/getpwnam.c b/usr/src/lib/nsswitch/files/common/getpwnam.c
new file mode 100644
index 0000000000..303b8323c6
--- /dev/null
+++ b/usr/src/lib/nsswitch/files/common/getpwnam.c
@@ -0,0 +1,126 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License, Version 1.0 only
+ * (the "License").  You may not use this file except in compliance
+ * with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+/*
+ *	Copyright (c) 1988-1995 Sun Microsystems Inc
+ *	All Rights Reserved.
+ *
+ *	files/getpwnam.c -- "files" backend for nsswitch "passwd" database
+ */
+
+#pragma ident	"%Z%%M%	%I%	%E% SMI"
+
+#include <pwd.h>
+#include <shadow.h>
+#include <unistd.h>		/* for PF_PATH */
+#include "files_common.h"
+#include <strings.h>
+
+static u_int
+hash_pwname(nss_XbyY_args_t *argp, int keyhash)
+{
+	struct passwd *p = argp->returnval;
+	const char *name = keyhash ? argp->key.name : p->pw_name;
+	u_int hash = 0;
+
+	while (*name != 0)
+		hash = hash * 15 + *name++;
+
+	return (hash);
+}
+
+static u_int
+hash_pwuid(nss_XbyY_args_t *argp, int keyhash)
+{
+	struct passwd *p = argp->returnval;
+	return (keyhash ? (u_int)argp->key.uid : (u_int)p->pw_uid);
+}
+
+static files_hash_func hash_pw[2] = { hash_pwname, hash_pwuid };
+
+static files_hash_t hashinfo = {
+	DEFAULTMUTEX,
+	sizeof (struct passwd),
+	NSS_BUFLEN_PASSWD,
+	2,
+	hash_pw
+};
+
+static int
+check_pwname(argp)
+	nss_XbyY_args_t		*argp;
+{
+	struct passwd		*p = (struct passwd *)argp->returnval;
+
+	/* +/- entries valid for compat source only */
+	if (p->pw_name != 0 && (p->pw_name[0] == '+' || p->pw_name[0] == '-'))
+		return (0);
+	return (strcmp(p->pw_name, argp->key.name) == 0);
+}
+
+static nss_status_t
+getbyname(be, a)
+	files_backend_ptr_t	be;
+	void			*a;
+{
+	return (_nss_files_XY_hash(be, a, 0, &hashinfo, 0, check_pwname));
+}
+
+static int
+check_pwuid(argp)
+	nss_XbyY_args_t		*argp;
+{
+	struct passwd		*p = (struct passwd *)argp->returnval;
+
+	/* +/- entries valid for compat source only */
+	if (p->pw_name != 0 && (p->pw_name[0] == '+' || p->pw_name[0] == '-'))
+		return (0);
+	return (p->pw_uid == argp->key.uid);
+}
+
+static nss_status_t
+getbyuid(be, a)
+	files_backend_ptr_t	be;
+	void			*a;
+{
+	return (_nss_files_XY_hash(be, a, 0, &hashinfo, 1, check_pwuid));
+}
+
+static files_backend_op_t passwd_ops[] = {
+	_nss_files_destr,
+	_nss_files_endent,
+	_nss_files_setent,
+	_nss_files_getent_rigid,
+	getbyname,
+	getbyuid
+};
+
+/*ARGSUSED*/
+nss_backend_t *
+_nss_files_passwd_constr(dummy1, dummy2, dummy3)
+	const char	*dummy1, *dummy2, *dummy3;
+{
+	return (_nss_files_constr(passwd_ops,
+				sizeof (passwd_ops) / sizeof (passwd_ops[0]),
+				PF_PATH,
+				NSS_LINELEN_PASSWD,
+				&hashinfo));
+}