11 files changed, 64 insertions, 48 deletions

diff --git a/.travis.yml b/.travis.yml
index 29290fd..dcf13d5 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -20,7 +20,7 @@ before_install:
   # - mysql -e "create database IF NOT EXISTS test;" -uroot
 
 install:
-  - sudo apt-get install -qq --no-install-recommends perl autotools-dev libdbi-dev libldap2-dev libpq-dev libmysqlclient-dev libfreeradius-client-dev libkrb5-dev libnet-snmp-perl procps
+  - sudo apt-get install -qq --no-install-recommends perl autotools-dev libdbi-dev libldap2-dev libpq-dev libmysqlclient-dev libradcli-dev libkrb5-dev libnet-snmp-perl procps
   - sudo apt-get install -qq --no-install-recommends libdbi0-dev libdbd-sqlite3 libssl-dev dnsutils snmp-mibs-downloader libsnmp-perl snmpd
   - sudo apt-get install -qq --no-install-recommends fping snmp netcat smbclient fping pure-ftpd apache2 postfix libhttp-daemon-ssl-perl
   - sudo apt-get install -qq --no-install-recommends libdbd-sybase-perl libnet-dns-perl
diff --git a/NEWS b/NEWS
index b469f05..8a8df6a 100644
--- a/NEWS
+++ b/NEWS
@@ -15,6 +15,7 @@ This file documents the major additions and syntax changes between releases.
         check_users: add support for range thresholds (John C. Frickson)
         check_snmp: add ipv6 support (abrist)
         check_http: report certificate expire date in UTC (pirtoo / ylfingr)
+        check_radius now supports the radcli library
 
         FIXES
         Let check_real terminate lines with CRLF when talking to the server, as
diff --git a/REQUIREMENTS b/REQUIREMENTS
index 303fd62..ac7b593 100644
--- a/REQUIREMENTS
+++ b/REQUIREMENTS
@@ -50,16 +50,18 @@ check_dbi:
           http://libdbi.sourceforge.net/
 
 check_radius:
-        - Requires the FreeRADIUS Client library available from:
+        - Requires the radcli library available from:
+          http://radcli.github.io/radcli/
+        - As an alternative, the FreeRADIUS Client library may be used:
           http://freeradius.org/freeradius-client/
-        - As an alternative, the radiusclient-ng library may be used:
+        - As another alternative, the radiusclient-ng library may be used:
           http://sourceforge.net/projects/radiusclient-ng.berlios/
         - This plugin also works with the original radiusclient library from
           ftp://ftp.cityline.net/pub/radiusclient/
                 RPM (rpmfind): radiusclient 0.3.2, radiusclient-devel-0.3.2
-          However, you probably want to use the FreeRADIUS Client library, as
-          both radiusclient and radiusclient-ng are unmaintained and have known
-          issues.
+          However, you probably want to use either radcli or the FreeRADIUS
+          Client library, as both radiusclient and radiusclient-ng are
+          unmaintained and have known issues.
 
 check_snmp:
         - Requires the NET-SNMP package available from
diff --git a/configure.ac b/configure.ac
index 5ef56f7..367e82a 100644
--- a/configure.ac
+++ b/configure.ac
@@ -273,26 +273,33 @@ AC_ARG_WITH([radius], [AS_HELP_STRING([--without-radius], [Skips the radius plug
 dnl Check for radius libraries
 AS_IF([test "x$with_radius" != "xno"], [
   _SAVEDLIBS="$LIBS"
-  AC_CHECK_LIB(freeradius-client,rc_read_config)
-  if test "$ac_cv_lib_freeradius_client_rc_read_config" = "yes"; then
+  AC_CHECK_LIB(radcli,rc_read_config)
+  if test "$ac_cv_lib_radcli_rc_read_config" = "yes"; then
     EXTRAS="$EXTRAS check_radius\$(EXEEXT)"
-    RADIUSLIBS="-lfreeradius-client"
+    RADIUSLIBS="-lradcli"
     AC_SUBST(RADIUSLIBS)
   else
-    AC_CHECK_LIB(radiusclient-ng,rc_read_config)
-    if test "$ac_cv_lib_radiusclient_ng_rc_read_config" = "yes"; then
+    AC_CHECK_LIB(freeradius-client,rc_read_config)
+    if test "$ac_cv_lib_freeradius_client_rc_read_config" = "yes"; then
       EXTRAS="$EXTRAS check_radius\$(EXEEXT)"
-      RADIUSLIBS="-lradiusclient-ng"
+      RADIUSLIBS="-lfreeradius-client"
       AC_SUBST(RADIUSLIBS)
     else
-      AC_CHECK_LIB(radiusclient,rc_read_config)
-      if test "$ac_cv_lib_radiusclient_rc_read_config" = "yes"; then
+      AC_CHECK_LIB(radiusclient-ng,rc_read_config)
+      if test "$ac_cv_lib_radiusclient_ng_rc_read_config" = "yes"; then
         EXTRAS="$EXTRAS check_radius\$(EXEEXT)"
-        RADIUSLIBS="-lradiusclient"
+        RADIUSLIBS="-lradiusclient-ng"
         AC_SUBST(RADIUSLIBS)
       else
-        AC_MSG_WARN([Skipping radius plugin])
-        AC_MSG_WARN([install radius libs to compile this plugin (see REQUIREMENTS).])
+        AC_CHECK_LIB(radiusclient,rc_read_config)
+        if test "$ac_cv_lib_radiusclient_rc_read_config" = "yes"; then
+          EXTRAS="$EXTRAS check_radius\$(EXEEXT)"
+          RADIUSLIBS="-lradiusclient"
+          AC_SUBST(RADIUSLIBS)
+        else
+          AC_MSG_WARN([Skipping radius plugin])
+          AC_MSG_WARN([install radius libs to compile this plugin (see REQUIREMENTS).])
+        fi
       fi
     fi
   fi
diff --git a/plugins-scripts/check_ifoperstatus.pl b/plugins-scripts/check_ifoperstatus.pl
index 3eed4bc..9ede163 100755
--- a/plugins-scripts/check_ifoperstatus.pl
+++ b/plugins-scripts/check_ifoperstatus.pl
@@ -325,7 +325,7 @@ sub print_help() {
         printf "                     (Implies the use of -I)\n";
         printf "   -w (--warn =i|w|c) ignore|warn|crit if the interface is dormant (default critical)\n";
         printf "   -D (--admin-down =i|w|c) same for administratively down interfaces (default warning)\n";
-        printf "   -M (--maxmsgsize) Max message size - usefull only for v1 or v2c\n";
+        printf "   -M (--maxmsgsize) Max message size - useful only for v1 or v2c\n";
         printf "   -t (--timeout)    seconds before the plugin times out (default=$TIMEOUT)\n";
         printf "   -V (--version)    Plugin version\n";
         printf "   -h (--help)       usage help \n\n";
diff --git a/plugins-scripts/check_ifstatus.pl b/plugins-scripts/check_ifstatus.pl
index 9f2f7c3..32984e5 100755
--- a/plugins-scripts/check_ifstatus.pl
+++ b/plugins-scripts/check_ifstatus.pl
@@ -280,7 +280,7 @@ sub print_help() {
         printf "                     in hex with 0x prefix generated by using \"snmpkey\" utility\n"; 
         printf "                     privacy password and authEngineID\n";
         printf "   -P (--privproto)  privacy protocol (DES or AES; default: DES)\n";
-        printf "   -M (--maxmsgsize) Max message size - usefull only for v1 or v2c\n";
+        printf "   -M (--maxmsgsize) Max message size - useful only for v1 or v2c\n";
         printf "   -t (--timeout)    seconds before the plugin times out (default=$TIMEOUT)\n";
         printf "   -V (--version)    Plugin version\n";
         printf "   -h (--help)       usage help \n\n";
diff --git a/plugins/check_ntp_time.c b/plugins/check_ntp_time.c
index 1cc8cbf..391b2df 100644
--- a/plugins/check_ntp_time.c
+++ b/plugins/check_ntp_time.c
@@ -633,7 +633,7 @@ void print_help(void){
         printf("%s\n", _("Notes:"));
         printf(" %s\n", _("If you'd rather want to monitor an NTP server, please use"));
         printf(" %s\n", _("check_ntp_peer."));
-        printf(" %s\n", _("--time-offset is usefull for compensating for servers with known"));
+        printf(" %s\n", _("--time-offset is useful for compensating for servers with known"));
         printf(" %s\n", _("and expected clock skew."));
         printf("\n");
         printf(UT_THRESHOLDS_NOTES);
diff --git a/plugins/check_radius.c b/plugins/check_radius.c
index 03cbb8b..b3b8c82 100644
--- a/plugins/check_radius.c
+++ b/plugins/check_radius.c
@@ -36,7 +36,9 @@ const char *email = "devel@monitoring-plugins.org";
 #include "utils.h"
 #include "netutils.h"
 
-#if defined(HAVE_LIBFREERADIUS_CLIENT)
+#if defined(HAVE_LIBRADCLI)
+#include <radcli/radcli.h>
+#elif defined(HAVE_LIBFREERADIUS_CLIENT)
 #include <freeradius-client.h>
 #elif defined(HAVE_LIBRADIUSCLIENT_NG)
 #include <radiusclient-ng.h>
@@ -48,22 +50,24 @@ int process_arguments (int, char **);
 void print_help (void);
 void print_usage (void);
 
-#if defined(HAVE_LIBFREERADIUS_CLIENT) || defined(HAVE_LIBRADIUSCLIENT_NG)
+#if defined(HAVE_LIBFREERADIUS_CLIENT) || defined(HAVE_LIBRADIUSCLIENT_NG) || defined(HAVE_LIBRADCLI)
 #define my_rc_conf_str(a) rc_conf_str(rch,a)
+#if defined(HAVE_LIBRADCLI)
+#define my_rc_send_server(a,b) rc_send_server(rch,a,b,AUTH)
+#else
 #define my_rc_send_server(a,b) rc_send_server(rch,a,b)
-#ifdef HAVE_LIBFREERADIUS_CLIENT
+#endif
+#if defined(HAVE_LIBFREERADIUS_CLIENT) || defined(HAVE_LIBRADCLI)
 #define my_rc_buildreq(a,b,c,d,e,f) rc_buildreq(rch,a,b,c,d,(a)->secret,e,f)
 #else
 #define my_rc_buildreq(a,b,c,d,e,f) rc_buildreq(rch,a,b,c,d,e,f)
 #endif
-#define my_rc_own_ipaddress() rc_own_ipaddress(rch)
 #define my_rc_avpair_add(a,b,c,d) rc_avpair_add(rch,a,b,c,-1,d)
 #define my_rc_read_dictionary(a) rc_read_dictionary(rch, a)
 #else
 #define my_rc_conf_str(a) rc_conf_str(a)
 #define my_rc_send_server(a,b) rc_send_server(a, b)
 #define my_rc_buildreq(a,b,c,d,e,f) rc_buildreq(a,b,c,d,e,f)
-#define my_rc_own_ipaddress() rc_own_ipaddress()
 #define my_rc_avpair_add(a,b,c,d) rc_avpair_add(a, b, c, d)
 #define my_rc_read_dictionary(a) rc_read_dictionary(a)
 #endif
@@ -76,7 +80,7 @@ void print_usage (void);
 
 int my_rc_read_config(char *);
 
-#if defined(HAVE_LIBFREERADIUS_CLIENT) || defined(HAVE_LIBRADIUSCLIENT_NG)
+#if defined(HAVE_LIBFREERADIUS_CLIENT) || defined(HAVE_LIBRADIUSCLIENT_NG) || defined(HAVE_LIBRADCLI)
 rc_handle *rch = NULL;
 #endif
 
@@ -90,7 +94,6 @@ char *config_file = NULL;
 unsigned short port = PW_AUTH_UDP_PORT;
 int retries = 1;
 int verbose = FALSE;
-ENV *env = NULL;
 
 /******************************************************************************
 
@@ -150,6 +153,8 @@ Please note that all tags must be lowercase to use the DocBook XML DTD.
 int
 main (int argc, char **argv)
 {
+        struct sockaddr_storage ss;
+        char name[HOST_NAME_MAX];
         char msg[BUFFER_LEN];
         SEND_DATA data;
         int result = STATE_UNKNOWN;
@@ -185,15 +190,14 @@ main (int argc, char **argv)
                         die (STATE_UNKNOWN, _("Invalid NAS-Identifier\n"));
         }
 
-        if (nasipaddress != NULL) {
-                if (rc_good_ipaddr (nasipaddress))
-                        die (STATE_UNKNOWN, _("Invalid NAS-IP-Address\n"));
-                if ((client_id = rc_get_ipaddr(nasipaddress)) == 0)
-                        die (STATE_UNKNOWN, _("Invalid NAS-IP-Address\n"));
-        } else {
-                if ((client_id = my_rc_own_ipaddress ()) == 0)
-                        die (STATE_UNKNOWN, _("Can't find local IP for NAS-IP-Address\n"));
+        if (nasipaddress == NULL) {
+                if (gethostname (name, sizeof(name)) != 0)
+                        die (STATE_UNKNOWN, _("gethostname() failed!\n"));
+                nasipaddress = name;
         }
+        if (!dns_lookup (nasipaddress, &ss, AF_INET)) /* TODO: Support IPv6. */
+                die (STATE_UNKNOWN, _("Invalid NAS-IP-Address\n"));
+        client_id = ntohl (((struct sockaddr_in *)&ss)->sin_addr.s_addr);
         if (my_rc_avpair_add (&(data.send_pairs), PW_NAS_IP_ADDRESS, &client_id, 0) == NULL)
                 die (STATE_UNKNOWN, _("Invalid NAS-IP-Address\n"));
 
@@ -399,7 +403,7 @@ print_usage (void)
 
 int my_rc_read_config(char * a)
 {
-#if defined(HAVE_LIBFREERADIUS_CLIENT) || defined(HAVE_LIBRADIUSCLIENT_NG)
+#if defined(HAVE_LIBFREERADIUS_CLIENT) || defined(HAVE_LIBRADIUSCLIENT_NG) || defined(HAVE_LIBRADCLI)
         rch = rc_read_config(a);
         return (rch == NULL) ? 1 : 0;
 #else
diff --git a/plugins/check_smtp.c b/plugins/check_smtp.c
index f5a6fa3..587a724 100644
--- a/plugins/check_smtp.c
+++ b/plugins/check_smtp.c
@@ -59,10 +59,6 @@ enum {
 #define SMTP_STARTTLS "STARTTLS\r\n"
 #define SMTP_AUTH_LOGIN "AUTH LOGIN\r\n"
 
-#ifndef HOST_MAX_BYTES
-#define HOST_MAX_BYTES 255
-#endif
-
 #define EHLO_SUPPORTS_STARTTLS 1
 
 int process_arguments (int, char **);
diff --git a/plugins/netutils.c b/plugins/netutils.c
index 705aaf0..1bb4f07 100644
--- a/plugins/netutils.c
+++ b/plugins/netutils.c
@@ -359,20 +359,21 @@ is_addr (const char *address)
 }
 
 int
-resolve_host_or_addr (const char *address, int family)
+dns_lookup (const char *in, struct sockaddr_storage *ss, int family)
 {
         struct addrinfo hints;
         struct addrinfo *res;
         int retval;
 
-        memset (&hints, 0, sizeof (hints));
+        memset (&hints, 0, sizeof(struct addrinfo));
         hints.ai_family = family;
-        retval = getaddrinfo (address, NULL, &hints, &res);
 
+        retval = getaddrinfo (in, NULL, &hints, &res);
         if (retval != 0)
                 return FALSE;
-        else {
-                freeaddrinfo (res);
-                return TRUE;
-        }
+
+        if (ss != NULL)
+                memcpy (ss, res->ai_addr, res->ai_addrlen);
+        freeaddrinfo (res);
+        return TRUE;
 }
diff --git a/plugins/netutils.h b/plugins/netutils.h
index 2766029..d7ee0dd 100644
--- a/plugins/netutils.h
+++ b/plugins/netutils.h
@@ -45,6 +45,10 @@
 # endif /* UNIX_PATH_MAX */
 #endif /* HAVE_SYS_UN_H */
 
+#ifndef HOST_MAX_BYTES
+# define HOST_MAX_BYTES 255
+#endif
+
 /* process_request and wrapper macros */
 #define process_tcp_request(addr, port, sbuf, rbuf, rsize) \
         process_request(addr, port, IPPROTO_TCP, sbuf, rbuf, rsize)
@@ -71,8 +75,9 @@ int send_request (int sd, int proto, const char *send_buffer, char *recv_buffer,
 /* "is_*" wrapper macros and functions */
 int is_host (const char *);
 int is_addr (const char *);
-int resolve_host_or_addr (const char *, int);
+int dns_lookup (const char *, struct sockaddr_storage *, int);
 void host_or_die(const char *str);
+#define resolve_host_or_addr(addr, family) dns_lookup(addr, NULL, family)
 #define is_inet_addr(addr) resolve_host_or_addr(addr, AF_INET)
 #ifdef USE_IPV6
 #  define is_inet6_addr(addr) resolve_host_or_addr(addr, AF_INET6)