1 files changed, 75 insertions, 0 deletions
diff --git a/usr/src/lib/libbc/libc/gen/common/pwdauth.c b/usr/src/lib/libbc/libc/gen/common/pwdauth.c
new file mode 100644
index 0000000000..b001267e69
--- /dev/null
+++ b/usr/src/lib/libbc/libc/gen/common/pwdauth.c
@@ -0,0 +1,75 @@
+/*
+ * 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 1992 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+
+#pragma ident	"%Z%%M%	%I%	%E% SMI"  /* c2 secure */
+
+#include <stdio.h>
+#include <pwd.h>
+#include <shadow.h>
+#include <errno.h>
+
+/*
+ * Version to go in the BCP compatibility library in SVr4 version of
+ * SunOS. This does not bother talking to rpc.pwdauthd or looking for the
+ * password.adjunct file on the system since they do not exist anymore.
+ * They have been effectively replaced by a more robust aging security provided
+ * by the combination of /etc/shadow file, shadow support in the NIS+
+ * passwd table and the use of secure RPC in NIS+.
+ */
+
+pwdauth(name, password)
+	char *name;
+	char *password;
+{
+	/*
+	 * this routine authenticates a password for the named user.
+	 * Assumes the adjunct file does not exist.
+	 * and therefore checks the passwd "source" using the standard
+	 * getpwnam(3C) routine that uses /etc/nsswitch.conf(4).
+	 */
+
+	struct passwd	*pwp = NULL;
+	struct spwd	*spwp = NULL;
+	char *enpwp;
+
+	if (spwp = getspnam(name))
+		enpwp = spwp->sp_pwdp;
+	else if (pwp = getpwnam(name))
+		enpwp = pwp->pw_passwd;
+	else
+		/* user is not in main password system */
+		return (-1);
+	if (enpwp[0] == '#' && enpwp[1] == '#') {
+		/* this means that /etc/passwd has problems */
+		fprintf(stderr, "pwdauth: bad passwd entry for %s\n",
+		    name);
+		return (-1);
+	}
+	if (strcmp(crypt(password, enpwp), enpwp) == 0)
+		return (0);
+	else
+		return (-1);
+}