Add a simple mechanism for reading property lists from files (which

I'll convert sysinstall to use shortly) and a simple call which uses
this mechanism to implement an /etc/auth.conf file.  I'll let Mark Murray
handle the format and checkin of the sample auth.conf file.
Reviewed by:	markm

1 files changed, 68 insertions, 0 deletions

diff --git a/lib/libutil/auth.c b/lib/libutil/auth.c
new file mode 100644
index 0000000..db6246e
--- /dev/null
+++ b/lib/libutil/auth.c
@@ -0,0 +1,68 @@
+/*
+ *
+ * Simple authentication database handling code.
+ *
+ * Copyright (c) 1998
+ *	Jordan Hubbard.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer,
+ *    verbatim and that no modifications are made prior to this
+ *    point in the file.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR HIS PETS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, LIFE OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * $Id*
+ *
+ */
+
+#include <stdio.h>
+#include <syslog.h>
+#include <libutil.h>
+
+static properties P;
+
+static int
+initauthconf(const char *path)
+{
+    FILE *fp;
+
+    if (!P) {
+	if ((fp = fopen(path, "r")) == NULL) {
+	    syslog(LOG_ERR, "initauthconf: unable to open file: %s", path);
+	    return 1;
+	}
+	P = properties_read(fp);
+	fclose(fp);
+	if (!P) {
+	    syslog(LOG_ERR, "initauthconf: unable to parse file: %s", path);
+	    return 1;
+	}
+    }
+    return 0;
+}
+
+char *
+auth_getval(const char *name)
+{
+    if (!P && initauthconf(_PATH_AUTHCONF))
+	return NULL;
+    else
+	return property_find(P, name);
+}