Update documentation for 0.2.2 and fix logging

README

@@ -1,6 +1,6 @@
                      ndppd - NDP Proxy Daemon
 
-                          Version 0.2.1
+                          Version 0.2.2
 
 ------------------------------------------------------------------------
 1. Legal
@@ -78,14 +78,7 @@
 3. Dependencies
 ------------------------------------------------------------------------
 
-   This daemon depends on 'libconfuse'. If you're running Debian or
+   As of version 0.2.2, libconfuse is no longer needed.
-   Ubuntu you should be able to get that from the repositories.
-   
-      apt-get install libconfuse0-dev
-
-   You can get it here otherwise:
-      
-      http://www.nongnu.org/confuse/
 
 ------------------------------------------------------------------------
 4. Compiling
@@ -122,6 +115,9 @@
 
    -d    Daemonize the process, putting it in the background.
          Also enables syslogging.
+         
+   -v    Increase logging verbosity. Can be used several times in
+         order to increase even further.
 
 ------------------------------------------------------------------------
 5. Website and contact

ndppd.1

@@ -5,7 +5,7 @@
 .SH NAME
 ndppd \- NDP Proxy Daemon
 .SH SYNOPSIS
-.B ndppd [-d] [-c <config-file>] [-p <pidfile>]
+.B ndppd [-d] [-vvv] [-c <config-file>] [-p <pidfile>]
 .SH DESCRIPTION
 .BR ndppd,
 or
@@ -26,6 +26,9 @@ enables syslogging.
 Creates a 
 .I pidfile
 at the specified location.
+.IP -v
+Increases logging verbosity. Can be specified several times to increase
+verbosity even further.
 .SH FILES
 .I /etc/ndppd.conf
 .RS

ndppd.conf.5

@@ -61,18 +61,42 @@ should send the
 .I router
 bit when sending Neighbor Advertisement messages. The default
 value here is
-.B yes.
+.BR yes .
 .SH RULE OPTIONS
+Specify a method here. See below.
+.SH METHOD
+One of the following options must be specified in the
+.B rule
+section. All of these are mutually exclusive options, and cannot
+be combined.
 .IP "iface <interface>"
 Specify which
 .I interface
 the Neighbor Solicitation message will be sent out through.
-If this option is not specified,
+.IP "auto"
+.B (NEW)
+If this option is specified
 .B ndppd
-will immediately answer with a Neighbor Advertisement message
+will attempt to detect which interface to use in order to forward
-if the rule matches, without querying an interface. It's recommended
+Neighbor Solicitation Messages, by reading the routing table
-that you set this value to avoid sending responses for IPs that does
+.BR /proc/sys/ipv6_route .
-not exist.
+.IP "static"
+.B (NEW)
+This option tells
+.B ndppd
+that it should immediately respond to a Neighbor Solicitation Message
+without querying an internal interface.
+Note that it's recommended that you use this option sparingly, and with
+as high prefix length as possible. This is to make sure upstream routers
+are not polluted with spurious neighbor entries.
+
+If no rule option has been specified, it will default to
+.B static
+in order to be compatible with
+.BR 0.2.1 .
+This will, however, produce a warning, and most likely not work in
+future versions of
+.BR ndppd .
 .SH AUTHOR
 Daniel Adolfsson <daniel@priv.nu>
 .SH "SEE ALSO"

src/logger.cc

@@ -175,6 +175,18 @@ void logger::max_pri(int pri)
     _max_pri = pri;
 }
 
+int logger::verbosity()
+{
+    return _max_pri;
+}
+
+void logger::verbosity(int pri)
+{
+    if ((pri >= 0) && (pri <= 7)) {
+        _max_pri = pri;
+    }
+}
+
 bool logger::verbosity(const std::string& name)
 {
     const char* c_name = name.c_str();

src/logger.h

@@ -51,6 +51,10 @@ public:
 
     static bool verbosity(const std::string& name);
 
+    static int verbosity();
+
+    static void verbosity(int pri);
+
     logger& operator<<(const std::string& str);
     logger& operator<<(logger& (*pf)(logger& ));
     logger& operator<<(int n);

src/ndppd.cc

@@ -158,7 +158,7 @@ int main(int argc, char* argv[], char* env[])
             { 0, 0, 0, 0}
         };
 
-        c = getopt_long(argc, argv, "c:dp:v::", long_options,& opt);
+        c = getopt_long(argc, argv, "c:dp:v", long_options,& opt);
 
         if (c == -1)
             break;
@@ -177,12 +177,13 @@ int main(int argc, char* argv[], char* env[])
             break;
 
         case 'v':
-            if (optarg) {
+            logger::verbosity(logger::verbosity() + 1);
+            /*if (optarg) {
                 if (!logger::verbosity(optarg))
                     logger::error() << "Unknown verbosity level '" << optarg << "'";
             } else {
                 logger::max_pri(LOG_INFO);
-            }
+            }*/
             break;
         }
     }