OpenSolaris Launch

1 files changed, 207 insertions, 0 deletions

diff --git a/usr/src/lib/passwdutil/utils.c b/usr/src/lib/passwdutil/utils.c
new file mode 100644
index 0000000000..f98e342574
--- /dev/null
+++ b/usr/src/lib/passwdutil/utils.c
@@ -0,0 +1,207 @@
+/*
+ * 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 2003 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+
+#pragma ident	"%Z%%M%	%I%	%E% SMI"
+
+#include <sys/types.h>
+#include <sys/time.h>
+#include <string.h>
+#include <thread.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <crypt.h>
+#include <pwd.h>
+#include <shadow.h>
+
+#include <deflt.h>
+
+#include "passwdutil.h"
+
+#define	PWADMIN "/etc/default/passwd"
+
+#define	MINWEEKS	-1
+#define	MAXWEEKS	-1
+#define	WARNWEEKS	-1
+
+void
+free_pwd(struct passwd *pw)
+{
+	if (pw->pw_name) free(pw->pw_name);
+	if (pw->pw_passwd) free(pw->pw_passwd);
+	if (pw->pw_gecos) free(pw->pw_gecos);
+	if (pw->pw_dir) free(pw->pw_dir);
+	if (pw->pw_shell) free(pw->pw_shell);
+	free(pw);
+}
+
+void
+free_spwd(struct spwd *spw)
+{
+	if (spw->sp_namp) free(spw->sp_namp);
+	if (spw->sp_pwdp) free(spw->sp_pwdp);
+	free(spw);
+}
+
+int
+dup_pw(struct passwd **d, struct passwd *s)
+{
+	if (s == NULL) {
+		*d = NULL;
+		return (PWU_NOT_FOUND);
+	}
+	if ((*d = calloc(1, sizeof (**d))) == NULL)
+		return (PWU_NOMEM);
+
+	if (s->pw_name) {
+		if (((*d)->pw_name = strdup(s->pw_name)) == NULL)
+			goto no_mem;
+	}
+	if (s->pw_passwd) {
+		if (((*d)->pw_passwd = strdup(s->pw_passwd)) == NULL)
+			goto no_mem;
+	}
+	(*d)->pw_uid = s->pw_uid;
+	(*d)->pw_gid = s->pw_gid;
+
+	if (s->pw_gecos) {
+		if (((*d)->pw_gecos = strdup(s->pw_gecos)) == NULL)
+			goto no_mem;
+	}
+	if (s->pw_dir) {
+		if (((*d)->pw_dir = strdup(s->pw_dir)) == NULL)
+			goto no_mem;
+	}
+	if (s->pw_shell) {
+		if (((*d)->pw_shell = strdup(s->pw_shell)) == NULL)
+			goto no_mem;
+	}
+
+	return (PWU_SUCCESS);
+
+no_mem:
+	free_pwd(*d);
+	*d = NULL;
+	return (PWU_NOMEM);
+}
+
+int
+dup_spw(struct spwd **d, struct spwd *s)
+{
+	if (s == NULL) {
+		*d = NULL;
+		return (PWU_NOT_FOUND);
+	}
+	if ((*d = calloc(1, sizeof (**d))) == NULL)
+		return (PWU_NOMEM);
+
+	**d = *s;
+
+	if (s->sp_namp)
+		if (((*d)->sp_namp = strdup(s->sp_namp)) == NULL)
+			goto no_mem;
+	if (s->sp_pwdp)
+		if (((*d)->sp_pwdp = strdup(s->sp_pwdp)) == NULL)
+			goto no_mem;
+	return (PWU_SUCCESS);
+
+no_mem:
+	free_spwd(*d);
+	return (PWU_NOMEM);
+}
+
+/*
+ * read a value from the defaults file, and return it if it is
+ * a positive integer. If the value is not defined, or negative,
+ * return the supplied default value
+ */
+int
+def_getuint(char *name, int defvalue)
+{
+	char *p;
+	int val = -1;	/* -1 is a guard to catch undefined values */
+
+	if (p = defread(name))
+		val = atoi(p);
+
+	return (val >= 0 ? val : defvalue);
+}
+
+void
+turn_on_default_aging(struct spwd *spw)
+{
+	int minweeks;
+	int maxweeks;
+	int warnweeks;
+
+	if (defopen(PWADMIN) != 0) {
+		minweeks = MINWEEKS;
+		maxweeks = MAXWEEKS;
+		warnweeks = WARNWEEKS;
+	} else {
+		minweeks = def_getuint("MINWEEKS=", MINWEEKS);
+		maxweeks = def_getuint("MAXWEEKS=", MAXWEEKS);
+		warnweeks = def_getuint("WARNWEEKS=", WARNWEEKS);
+		(void) defopen(NULL);
+	}
+
+	/*
+	 * The values specified in /etc/default/passwd are interpreted
+	 * in a specific way. Special cases are
+	 *   MINWEEKS==0 (results in sp_min = -1)
+	 *   MAXWEEKS==0 (results in sp_max = default)
+	 */
+	spw->sp_min = 7 * minweeks;
+	if (spw->sp_min <= 0)
+		spw->sp_min = -1;
+
+	spw->sp_max = 7 * maxweeks;
+	if (spw->sp_max == 0)
+		spw->sp_max = 7 * MAXWEEKS;
+	if (spw->sp_max < 0)
+		spw->sp_max = -1;
+
+	spw->sp_warn = 7 * warnweeks;
+	if (spw->sp_warn <= 0)
+		spw->sp_warn = -1;
+}
+
+/*
+ * open and read a value from the defaults file,
+ * return value found or default value if not found.
+ */
+int
+def_getint(char *name, int defvalue)
+{
+	int	val;
+
+	if (defopen(PWADMIN) != 0)
+		val = defvalue;
+	else
+		val = def_getuint(name, defvalue);
+
+	(void) defopen(NULL);
+	return (val);
+}