Merge remote-tracking branch 'upstream/master'refs/pull/1257/head

Conflicts:
	plugins/netutils.c

34 files changed, 363 insertions, 146 deletions

diff --git a/plugins/check_apt.c b/plugins/check_apt.c
index 4c76a51..07622c2 100644
--- a/plugins/check_apt.c
+++ b/plugins/check_apt.c
@@ -223,6 +223,9 @@ int run_upgrade(int *pkgcount, int *secpkgcount){
         regex_t ireg, ereg, sreg;
         char *cmdline=NULL, rerrbuf[64];
 
+        /* initialize ereg as it is possible it is printed while uninitialized */
+        memset(&ereg, "\0", sizeof(ereg.buffer));
+
         if(upgrade==NO_UPGRADE) return STATE_OK;
 
         /* compile the regexps */
diff --git a/plugins/check_dbi.c b/plugins/check_dbi.c
index c6244fd..a3d033f 100644
--- a/plugins/check_dbi.c
+++ b/plugins/check_dbi.c
@@ -215,7 +215,7 @@ main (int argc, char **argv)
         }
 
         if (dbi_conn_connect (conn) < 0) {
-                np_dbi_print_error (conn, "UNKOWN - failed to connect to database");
+                np_dbi_print_error (conn, "UNKNOWN - failed to connect to database");
                 return STATE_UNKNOWN;
         }
 
@@ -241,7 +241,7 @@ main (int argc, char **argv)
                         printf ("Selecting database '%s'\n", np_dbi_database);
 
                 if (dbi_conn_select_db (conn, np_dbi_database)) {
-                        np_dbi_print_error (conn, "UNKOWN - failed to select database '%s'",
+                        np_dbi_print_error (conn, "UNKNOWN - failed to select database '%s'",
                                         np_dbi_database);
                         return STATE_UNKNOWN;
                 }
@@ -456,7 +456,7 @@ process_arguments (int argc, char **argv)
                                 new = realloc (np_dbi_options,
                                                 (np_dbi_options_num + 1) * sizeof (*new));
                                 if (! new) {
-                                        printf ("UNKOWN - failed to reallocate memory\n");
+                                        printf ("UNKNOWN - failed to reallocate memory\n");
                                         exit (STATE_UNKNOWN);
                                 }
 
diff --git a/plugins/check_dns.c b/plugins/check_dns.c
index eebe72c..31a953d 100644
--- a/plugins/check_dns.c
+++ b/plugins/check_dns.c
@@ -242,7 +242,23 @@ main (int argc, char **argv)
     }
     printf (ngettext("%.3f second response time", "%.3f seconds response time", elapsed_time), elapsed_time);
     printf (_(". %s returns %s"), query_address, address);
-    printf ("|%s\n", fperfdata ("time", elapsed_time, "s", FALSE, 0, FALSE, 0, TRUE, 0, FALSE, 0));
+    if ((time_thresholds->warning != NULL) && (time_thresholds->critical != NULL)) {
+      printf ("|%s\n", fperfdata ("time", elapsed_time, "s",
+                                  TRUE, time_thresholds->warning->end,
+                                  TRUE, time_thresholds->critical->end,
+                                  TRUE, 0, FALSE, 0));
+    } else if ((time_thresholds->warning == NULL) && (time_thresholds->critical != NULL)) {
+      printf ("|%s\n", fperfdata ("time", elapsed_time, "s",
+                                  FALSE, 0,
+                                  TRUE, time_thresholds->critical->end,
+                                  TRUE, 0, FALSE, 0));
+    } else if ((time_thresholds->warning != NULL) && (time_thresholds->critical == NULL)) {
+      printf ("|%s\n", fperfdata ("time", elapsed_time, "s",
+                                  TRUE, time_thresholds->warning->end,
+                                  FALSE, 0,
+                                  TRUE, 0, FALSE, 0));
+    } else
+      printf ("|%s\n", fperfdata ("time", elapsed_time, "s", FALSE, 0, FALSE, 0, TRUE, 0, FALSE, 0));
   }
   else if (result == STATE_WARNING)
     printf (_("DNS WARNING - %s\n"),
diff --git a/plugins/check_hpjd.c b/plugins/check_hpjd.c
index 1e7605b..5fe0698 100644
--- a/plugins/check_hpjd.c
+++ b/plugins/check_hpjd.c
@@ -39,7 +39,7 @@ const char *email = "devel@monitoring-plugins.org";
 #include "netutils.h"
 
 #define DEFAULT_COMMUNITY "public"
-
+#define DEFAULT_PORT "161"
 
 const char *option_summary = "-H host [-C community]\n";
 
@@ -66,6 +66,7 @@ void print_usage (void);
 
 char *community = NULL;
 char *address = NULL;
+char *port = NULL;
 
 int
 main (int argc, char **argv)
@@ -119,8 +120,8 @@ main (int argc, char **argv)
                  HPJD_GD_DOOR_OPEN, HPJD_GD_PAPER_OUTPUT, HPJD_GD_STATUS_DISPLAY);
 
         /* get the command to run */
-        sprintf (command_line, "%s -OQa -m : -v 1 -c %s %s %s", PATH_TO_SNMPGET, community,
-                                                                        address, query_string);
+        sprintf (command_line, "%s -OQa -m : -v 1 -c %s %s:%hd %s", PATH_TO_SNMPGET, community,
+                                                                        address, port, query_string);
 
         /* run the command */
         child_process = spopen (command_line);
@@ -313,7 +314,7 @@ process_arguments (int argc, char **argv)
                 {"community", required_argument, 0, 'C'},
 /*              {"critical",       required_argument,0,'c'}, */
 /*              {"warning",        required_argument,0,'w'}, */
-/*              {"port",           required_argument,0,'P'}, */
+                {"port", required_argument,0,'p'}, 
                 {"version", no_argument, 0, 'V'},
                 {"help", no_argument, 0, 'h'},
                 {0, 0, 0, 0}
@@ -324,7 +325,7 @@ process_arguments (int argc, char **argv)
 
 
         while (1) {
-                c = getopt_long (argc, argv, "+hVH:C:", longopts, &option);
+                c = getopt_long (argc, argv, "+hVH:C:p:", longopts, &option);
 
                 if (c == -1 || c == EOF || c == 1)
                         break;
@@ -341,6 +342,12 @@ process_arguments (int argc, char **argv)
                 case 'C':                                                                       /* community */
                         community = strscpy (community, optarg);
                         break;
+                case 'p':
+                        if (!is_intpos(optarg))
+                                usage2 (_("Port must be a positive short integer"), optarg);
+                        else
+                                port = atoi(optarg);
+                        break;
                 case 'V':                                                                       /* version */
                         print_revision (progname, NP_VERSION);
                         exit (STATE_OK);
@@ -369,6 +376,13 @@ process_arguments (int argc, char **argv)
                         community = strdup (DEFAULT_COMMUNITY);
         }
 
+        if (port == NULL) {
+                if (argv[c] != NULL )
+                        port = argv[c];
+                else
+                        port = atoi (DEFAULT_PORT);
+        }
+
         return validate_arguments ();
 }
 
@@ -402,6 +416,10 @@ print_help (void)
         printf ("    %s", _("The SNMP community name "));
         printf (_("(default=%s)"), DEFAULT_COMMUNITY);
         printf ("\n");
+        printf (" %s\n", "-p, --port=STRING");
+        printf ("    %s", _("Specify the port to check "));
+        printf (_("(default=%s)"), DEFAULT_PORT);
+        printf ("\n");
 
         printf (UT_SUPPORT);
 }
@@ -412,5 +430,5 @@ void
 print_usage (void)
 {
   printf ("%s\n", _("Usage:"));
-        printf ("%s -H host [-C community]\n", progname);
+        printf ("%s -H host [-C community] [-p port]\n", progname);
 }
diff --git a/plugins/check_http.c b/plugins/check_http.c
index 92861d9..5167997 100644
--- a/plugins/check_http.c
+++ b/plugins/check_http.c
@@ -1243,6 +1243,7 @@ redir (char *pos, char *status_line)
   if (addr == NULL)
     die (STATE_UNKNOWN, _("HTTP UNKNOWN - Could not allocate addr\n"));
 
+  memset(addr, 0, MAX_IPV4_HOSTLENGTH);
   url = malloc (strcspn (pos, "\r\n"));
   if (url == NULL)
     die (STATE_UNKNOWN, _("HTTP UNKNOWN - Could not allocate URL\n"));
@@ -1333,8 +1334,8 @@ redir (char *pos, char *status_line)
          max_depth, type, addr, i, url, (display_html ? "</A>" : ""));
 
   if (server_port==i &&
-      !strcmp(server_address, addr) &&
-      (host_name && !strcmp(host_name, addr)) &&
+      !strncmp(server_address, addr, MAX_IPV4_HOSTLENGTH) &&
+      (host_name && !strncmp(host_name, addr, MAX_IPV4_HOSTLENGTH)) &&
       !strcmp(server_url, url))
     die (STATE_WARNING,
          _("HTTP WARNING - redirection creates an infinite loop - %s://%s:%d%s%s\n"),
@@ -1343,11 +1344,11 @@ redir (char *pos, char *status_line)
   strcpy (server_type, type);
 
   free (host_name);
-  host_name = strdup (addr);
+  host_name = strndup (addr, MAX_IPV4_HOSTLENGTH);
 
   if (!(followsticky & STICKY_HOST)) {
     free (server_address);
-    server_address = strdup (addr);
+    server_address = strndup (addr, MAX_IPV4_HOSTLENGTH);
   }
   if (!(followsticky & STICKY_PORT)) {
     server_port = i;
@@ -1366,6 +1367,7 @@ redir (char *pos, char *status_line)
     printf (_("Redirection to %s://%s:%d%s\n"), server_type,
             host_name ? host_name : server_address, server_port, server_url);
 
+  free(addr);
   check_http ();
 }
 
diff --git a/plugins/check_ide_smart.c b/plugins/check_ide_smart.c
index 55faacc..47605e9 100644
--- a/plugins/check_ide_smart.c
+++ b/plugins/check_ide_smart.c
@@ -419,7 +419,7 @@ nagios (values_t * p, thresholds_t * t)
                 status=STATE_OK;
                 break;
         default:
-                printf (_("ERROR - Status '%d' unkown. %d/%d tests passed\n"), status,
+                printf (_("ERROR - Status '%d' unknown. %d/%d tests passed\n"), status,
                                                 passed, total);
                 status = STATE_UNKNOWN;
                 break;
diff --git a/plugins/check_mrtg.c b/plugins/check_mrtg.c
index ed75f4c..cf3fe04 100644
--- a/plugins/check_mrtg.c
+++ b/plugins/check_mrtg.c
@@ -356,7 +356,7 @@ print_help (void)
         printf (" %s\n", _("This plugin is useful for monitoring MRTG data that does not correspond to"));
   printf (" %s\n", _("bandwidth usage.  (Use the check_mrtgtraf plugin for monitoring bandwidth)."));
   printf (" %s\n", _("It can be used to monitor any kind of data that MRTG is monitoring - errors,"));
-  printf (" %s\n", _("packets/sec, etc.  I use MRTG in conjuction with the Novell NLM that allows"));
+  printf (" %s\n", _("packets/sec, etc.  I use MRTG in conjunction with the Novell NLM that allows"));
   printf (" %s\n", _("me to track processor utilization, user connections, drive space, etc and"));
   printf (" %s\n\n", _("this plugin works well for monitoring that kind of data as well."));
 
diff --git a/plugins/check_mysql.c b/plugins/check_mysql.c
index 4f09e5f..216626b 100644
--- a/plugins/check_mysql.c
+++ b/plugins/check_mysql.c
@@ -42,6 +42,7 @@ const char *email = "devel@monitoring-plugins.org";
 #include "netutils.h"
 
 #include <mysql.h>
+#include <mysqld_error.h>
 #include <errmsg.h>
 
 char *db_user = NULL;
@@ -59,6 +60,7 @@ char *opt_file = NULL;
 char *opt_group = NULL;
 unsigned int db_port = MYSQL_PORT;
 int check_slave = 0, warn_sec = 0, crit_sec = 0;
+int ignore_auth = 0;
 int verbose = 0;
 
 static double warning_time = 0;
@@ -136,7 +138,16 @@ main (int argc, char **argv)
                 mysql_ssl_set(&mysql,key,cert,ca_cert,ca_dir,ciphers);
         /* establish a connection to the server and error checking */
         if (!mysql_real_connect(&mysql,db_host,db_user,db_pass,db,db_port,db_socket,0)) {
-                if (mysql_errno (&mysql) == CR_UNKNOWN_HOST)
+                if (ignore_auth && mysql_errno (&mysql) == ER_ACCESS_DENIED_ERROR)
+                {
+                        printf("MySQL OK - Version: %s (protocol %d)\n",
+                                mysql_get_server_info(&mysql),
+                                mysql_get_proto_info(&mysql)
+                        );
+                        mysql_close (&mysql);
+                        return STATE_OK;
+                }
+                else if (mysql_errno (&mysql) == CR_UNKNOWN_HOST)
                         die (STATE_WARNING, "%s\n", mysql_error (&mysql));
                 else if (mysql_errno (&mysql) == CR_VERSION_ERROR)
                         die (STATE_WARNING, "%s\n", mysql_error (&mysql));
@@ -341,6 +352,7 @@ process_arguments (int argc, char **argv)
                 {"critical", required_argument, 0, 'c'},
                 {"warning", required_argument, 0, 'w'},
                 {"check-slave", no_argument, 0, 'S'},
+                {"ignore-auth", no_argument, 0, 'n'},
                 {"verbose", no_argument, 0, 'v'},
                 {"version", no_argument, 0, 'V'},
                 {"help", no_argument, 0, 'h'},
@@ -357,7 +369,7 @@ process_arguments (int argc, char **argv)
                 return ERROR;
 
         while (1) {
-                c = getopt_long (argc, argv, "hlvVSP:p:u:d:H:s:c:w:a:k:C:D:L:f:g:", longopts, &option);
+                c = getopt_long (argc, argv, "hlvVnSP:p:u:d:H:s:c:w:a:k:C:D:L:f:g:", longopts, &option);
 
                 if (c == -1 || c == EOF)
                         break;
@@ -419,6 +431,9 @@ process_arguments (int argc, char **argv)
                 case 'S':
                         check_slave = 1;                                                        /* check-slave */
                         break;
+                case 'n':
+                        ignore_auth = 1;                                                        /* ignore-auth */
+                        break;
                 case 'w':
                         warning = optarg;
                         warning_time = strtod (warning, NULL);
@@ -506,6 +521,9 @@ print_help (void)
         printf (UT_EXTRA_OPTS);
 
   printf (UT_HOST_PORT, 'P', myport);
+  printf (" %s\n", "-n, --ignore-auth");
+  printf ("    %s\n", _("Ignore authentication failure and check for mysql connectivity only"));
+
   printf (" %s\n", "-s, --socket=STRING");
   printf ("    %s\n", _("Use the specified socket (has no effect if -H is used)"));
 
diff --git a/plugins/check_nt.c b/plugins/check_nt.c
index cacf665..fefbfb7 100644
--- a/plugins/check_nt.c
+++ b/plugins/check_nt.c
@@ -293,10 +293,10 @@ int main(int argc, char **argv){
 
                 /* Divisor should be 1048567, not 3044515, as we are measuring "Commit Charge" here,
                 which equals RAM + Pagefiles. */
-                xasprintf(&output_message,_("Memory usage: total:%.2f Mb - used: %.2f Mb (%.0f%%) - free: %.2f Mb (%.0f%%)"),
+                xasprintf(&output_message,_("Memory usage: total:%.2f MB - used: %.2f MB (%.0f%%) - free: %.2f MB (%.0f%%)"),
                   mem_commitLimit / 1048567, mem_commitByte / 1048567, percent_used_space,
                   (mem_commitLimit - mem_commitByte) / 1048567, (mem_commitLimit - mem_commitByte) / mem_commitLimit * 100);
-                xasprintf(&perfdata,_("'Memory usage'=%.2fMb;%.2f;%.2f;0.00;%.2f"), mem_commitByte / 1048567,
+                xasprintf(&perfdata,_("'Memory usage'=%.2fMB;%.2f;%.2f;0.00;%.2f"), mem_commitByte / 1048567,
                   warning_used_space / 1048567, critical_used_space / 1048567, mem_commitLimit / 1048567);
 
                 return_code=STATE_OK;
diff --git a/plugins/check_ntp.c b/plugins/check_ntp.c
index 0a7640a..09a923e 100644
--- a/plugins/check_ntp.c
+++ b/plugins/check_ntp.c
@@ -517,13 +517,14 @@ setup_control_request(ntp_control_message *p, uint8_t opcode, uint16_t seq){
 double jitter_request(const char *host, int *status){
         int conn=-1, i, npeers=0, num_candidates=0, syncsource_found=0;
         int run=0, min_peer_sel=PEER_INCLUDED, num_selected=0, num_valid=0;
-        int peers_size=0, peer_offset=0;
+        int peers_size=0, peer_offset=0, bytes_read=0;
         ntp_assoc_status_pair *peers=NULL;
         ntp_control_message req;
         const char *getvar = "jitter";
         double rval = 0.0, jitter = -1.0;
         char *startofvalue=NULL, *nptr=NULL;
         void *tmp;
+        int ntp_cm_ints = sizeof(uint16_t) * 5 + sizeof(uint8_t) * 2;
 
         /* Long-winded explanation:
          * Getting the jitter requires a number of steps:
@@ -608,7 +609,15 @@ double jitter_request(const char *host, int *status){
 
                                 req.count = htons(MAX_CM_SIZE);
                                 DBG(printf("recieving READVAR response...\n"));
-                                read(conn, &req, SIZEOF_NTPCM(req));
+
+                                /* cov-66524 - req.data not null terminated before usage. Also covers verifying struct was returned correctly*/
+                                if ((bytes_read = read(conn, &req, SIZEOF_NTPCM(req))) == -1)
+                                        die(STATE_UNKNOWN, _("Cannot read from socket: %s"), strerror(errno));
+                                if (bytes_read != ntp_cm_ints + req.count)
+                                        die(STATE_UNKNOWN, _("Invalid NTP response: %d bytes read does not equal %d plus %d data segment"), bytes_read, ntp_cm_ints, req.count); 
+                                /* else null terminate */
+                                strncpy(req.data[req.count], "\0", 1);
+
                                 DBG(print_ntp_control_message(&req));
 
                                 if(req.op&REM_ERROR && strstr(getvar, "jitter")) {
diff --git a/plugins/check_ntp_peer.c b/plugins/check_ntp_peer.c
index 8dc1978..d3ae599 100644
--- a/plugins/check_ntp_peer.c
+++ b/plugins/check_ntp_peer.c
@@ -560,7 +560,7 @@ char *perfd_truechimers (int num_truechimers)
 }
 
 int main(int argc, char *argv[]){
-        int result, offset_result, stratum, num_truechimers;
+        int result, offset_result, stratum, num_truechimers, oresult, jresult, sresult, tresult;
         double offset=0, jitter=0;
         char *result_line, *perfdata_line;
 
@@ -597,15 +597,19 @@ int main(int argc, char *argv[]){
                         result = STATE_UNKNOWN;
                 result = max_state_alt(result, get_status(fabs(offset), offset_thresholds));
         }
-
+        oresult = result;
+        
         if(do_truechimers)
-                result = max_state_alt(result, get_status(num_truechimers, truechimer_thresholds));
+                tresult = get_status(num_truechimers, truechimer_thresholds);
+                result = max_state_alt(result, tresult);
 
         if(do_stratum)
-                result = max_state_alt(result, get_status(stratum, stratum_thresholds));
+                sresult = get_status(stratum, stratum_thresholds);
+                result = max_state_alt(result, sresult);
 
         if(do_jitter)
-                result = max_state_alt(result, get_status(jitter, jitter_thresholds));
+                jresult = get_status(jitter, jitter_thresholds);
+                result = max_state_alt(result, jresult);
 
         switch (result) {
                 case STATE_CRITICAL :
@@ -629,20 +633,43 @@ int main(int argc, char *argv[]){
         if(offset_result == STATE_UNKNOWN){
                 xasprintf(&result_line, "%s %s", result_line, _("Offset unknown"));
                 xasprintf(&perfdata_line, "");
+        } else if (oresult == STATE_WARNING) {
+                xasprintf(&result_line, "%s %s %.10g secs (WARNING)", result_line, _("Offset"), offset);
+        } else if (oresult == STATE_CRITICAL) {
+                xasprintf(&result_line, "%s %s %.10g secs (CRITICAL)", result_line, _("Offset"), offset);
         } else {
                 xasprintf(&result_line, "%s %s %.10g secs", result_line, _("Offset"), offset);
-                xasprintf(&perfdata_line, "%s", perfd_offset(offset));
-        }
+        }       
+        xasprintf(&perfdata_line, "%s", perfd_offset(offset));
+        
         if (do_jitter) {
-                xasprintf(&result_line, "%s, jitter=%f", result_line, jitter);
+                if (jresult == STATE_WARNING) {
+                        xasprintf(&result_line, "%s, jitter=%f (WARNING)", result_line, jitter);
+                } else if (jresult == STATE_CRITICAL) {
+                        xasprintf(&result_line, "%s, jitter=%f (CRITICAL)", result_line, jitter);
+                } else {
+                        xasprintf(&result_line, "%s, jitter=%f", result_line, jitter);
+                }
                 xasprintf(&perfdata_line, "%s %s", perfdata_line, perfd_jitter(jitter));
         }
         if (do_stratum) {
-                xasprintf(&result_line, "%s, stratum=%i", result_line, stratum);
+                if (sresult == STATE_WARNING) {
+                        xasprintf(&result_line, "%s, stratum=%i (WARNING)", result_line, stratum);
+                } else if (sresult == STATE_CRITICAL) {
+                        xasprintf(&result_line, "%s, stratum=%i (CRITICAL)", result_line, stratum);
+                } else {
+                        xasprintf(&result_line, "%s, stratum=%i", result_line, stratum);
+                }
                 xasprintf(&perfdata_line, "%s %s", perfdata_line, perfd_stratum(stratum));
         }
         if (do_truechimers) {
-                xasprintf(&result_line, "%s, truechimers=%i", result_line, num_truechimers);
+                if (tresult == STATE_WARNING) {
+                        xasprintf(&result_line, "%s, truechimers=%i (WARNING)", result_line, num_truechimers);
+                } else if (tresult == STATE_CRITICAL) {
+                        xasprintf(&result_line, "%s, truechimers=%i (CRITICAL)", result_line, num_truechimers);
+                } else {
+                        xasprintf(&result_line, "%s, truechimers=%i", result_line, num_truechimers);
+                }
                 xasprintf(&perfdata_line, "%s %s", perfdata_line, perfd_truechimers(num_truechimers));
         }
         printf("%s|%s\n", result_line, perfdata_line);
@@ -651,8 +678,6 @@ int main(int argc, char *argv[]){
         return result;
 }
 
-
-
 void print_help(void){
         print_revision(progname, NP_VERSION);
 
diff --git a/plugins/check_ntp_time.c b/plugins/check_ntp_time.c
index 72dffbd..e344f8b 100644
--- a/plugins/check_ntp_time.c
+++ b/plugins/check_ntp_time.c
@@ -48,6 +48,7 @@ static int verbose=0;
 static int quiet=0;
 static char *owarn="60";
 static char *ocrit="120";
+static int time_offset=0;
 
 int process_arguments (int, char **);
 thresholds *offset_thresholds = NULL;
@@ -400,7 +401,7 @@ double offset_request(const char *host, int *status){
                                 gettimeofday(&recv_time, NULL);
                                 DBG(print_ntp_message(&req[i]));
                                 respnum=servers[i].num_responses++;
-                                servers[i].offset[respnum]=calc_offset(&req[i], &recv_time);
+                                servers[i].offset[respnum]=calc_offset(&req[i], &recv_time)+time_offset;
                                 if(verbose) {
                                         printf("offset %.10g\n", servers[i].offset[respnum]);
                                 }
@@ -455,6 +456,7 @@ int process_arguments(int argc, char **argv){
                 {"use-ipv4", no_argument, 0, '4'},
                 {"use-ipv6", no_argument, 0, '6'},
                 {"quiet", no_argument, 0, 'q'},
+                {"time-offset", optional_argument, 0, 'o'},
                 {"warning", required_argument, 0, 'w'},
                 {"critical", required_argument, 0, 'c'},
                 {"timeout", required_argument, 0, 't'},
@@ -468,7 +470,7 @@ int process_arguments(int argc, char **argv){
                 usage ("\n");
 
         while (1) {
-                c = getopt_long (argc, argv, "Vhv46qw:c:t:H:p:", longopts, &option);
+                c = getopt_long (argc, argv, "Vhv46qw:c:t:H:p:o:", longopts, &option);
                 if (c == -1 || c == EOF || c == 1)
                         break;
 
@@ -504,6 +506,9 @@ int process_arguments(int argc, char **argv){
                 case 't':
                         socket_timeout=atoi(optarg);
                         break;
+                case 'o':
+                        time_offset=atoi(optarg);
+                        break;
                 case '4':
                         address_family = AF_INET;
                         break;
@@ -616,6 +621,8 @@ void print_help(void){
         printf ("    %s\n", _("Offset to result in warning status (seconds)"));
         printf (" %s\n", "-c, --critical=THRESHOLD");
         printf ("    %s\n", _("Offset to result in critical status (seconds)"));
+        printf (" %s\n", "-o, --time_offset=INTEGER");
+        printf ("    %s\n", _("Expected offset of the ntp server relative to local server (seconds)"));
         printf (UT_CONN_TIMEOUT, DEFAULT_SOCKET_TIMEOUT);
         printf (UT_VERBOSE);
 
@@ -628,6 +635,8 @@ 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", _("and expected clock skew."));
         printf("\n");
         printf(UT_THRESHOLDS_NOTES);
 
@@ -642,6 +651,6 @@ void
 print_usage(void)
 {
         printf ("%s\n", _("Usage:"));
-        printf(" %s -H <host> [-4|-6] [-w <warn>] [-c <crit>] [-v verbose]\n", progname);
+        printf(" %s -H <host> [-4|-6] [-w <warn>] [-c <crit>] [-v verbose] [-o <time offset>]\n", progname);
 }
 
diff --git a/plugins/check_radius.c b/plugins/check_radius.c
index 3481f0c..b294347 100644
--- a/plugins/check_radius.c
+++ b/plugins/check_radius.c
@@ -36,9 +36,10 @@ const char *email = "devel@monitoring-plugins.org";
 #include "utils.h"
 #include "netutils.h"
 
-#ifdef HAVE_LIBRADIUSCLIENT_NG
+#if defined(HAVE_LIBFREERADIUS_CLIENT)
+#include <freeradius-client.h>
+#elif defined(HAVE_LIBRADIUSCLIENT_NG)
 #include <radiusclient-ng.h>
-rc_handle *rch = NULL;
 #else
 #include <radiusclient.h>
 #endif
@@ -47,11 +48,14 @@ int process_arguments (int, char **);
 void print_help (void);
 void print_usage (void);
 
-/* libradiusclient(-ng) wrapper functions */
-#ifdef HAVE_LIBRADIUSCLIENT_NG
+#if defined(HAVE_LIBFREERADIUS_CLIENT) || defined(HAVE_LIBRADIUSCLIENT_NG)
 #define my_rc_conf_str(a) rc_conf_str(rch,a)
 #define my_rc_send_server(a,b) rc_send_server(rch,a,b)
+#ifdef HAVE_LIBFREERADIUS_CLIENT
+#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)
@@ -72,6 +76,10 @@ void print_usage (void);
 
 int my_rc_read_config(char *);
 
+#if defined(HAVE_LIBFREERADIUS_CLIENT) || defined(HAVE_LIBRADIUSCLIENT_NG)
+rc_handle *rch = NULL;
+#endif
+
 char *server = NULL;
 char *username = NULL;
 char *password = NULL;
@@ -142,11 +150,10 @@ Please note that all tags must be lowercase to use the DocBook XML DTD.
 int
 main (int argc, char **argv)
 {
-        UINT4 service;
         char msg[BUFFER_LEN];
         SEND_DATA data;
         int result = STATE_UNKNOWN;
-        UINT4 client_id;
+        uint32_t client_id, service;
         char *str;
 
         setlocale (LC_ALL, "");
@@ -162,7 +169,7 @@ main (int argc, char **argv)
         str = strdup ("dictionary");
         if ((config_file && my_rc_read_config (config_file)) ||
                         my_rc_read_dictionary (my_rc_conf_str (str)))
-                die (STATE_UNKNOWN, _("Config file error"));
+                die (STATE_UNKNOWN, _("Config file error\n"));
 
         service = PW_AUTHENTICATE_ONLY;
 
@@ -171,24 +178,24 @@ main (int argc, char **argv)
                                 my_rc_avpair_add (&data.send_pairs, PW_USER_NAME, username, 0) &&
                                 my_rc_avpair_add (&data.send_pairs, PW_USER_PASSWORD, password, 0)
                                 ))
-                die (STATE_UNKNOWN, _("Out of Memory?"));
+                die (STATE_UNKNOWN, _("Out of Memory?\n"));
 
         if (nasid != NULL) {
                 if (!(my_rc_avpair_add (&data.send_pairs, PW_NAS_IDENTIFIER, nasid, 0)))
-                        die (STATE_UNKNOWN, _("Invalid NAS-Identifier"));
+                        die (STATE_UNKNOWN, _("Invalid NAS-Identifier\n"));
         }
 
         if (nasipaddress != NULL) {
                 if (rc_good_ipaddr (nasipaddress))
-                        die (STATE_UNKNOWN, _("Invalid NAS-IP-Address"));
+                        die (STATE_UNKNOWN, _("Invalid NAS-IP-Address\n"));
                 if ((client_id = rc_get_ipaddr(nasipaddress)) == 0)
-                        die (STATE_UNKNOWN, _("Invalid NAS-IP-Address"));
+                        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"));
+                        die (STATE_UNKNOWN, _("Can't find local IP for NAS-IP-Address\n"));
         }
         if (my_rc_avpair_add (&(data.send_pairs), PW_NAS_IP_ADDRESS, &client_id, 0) == NULL)
-                die (STATE_UNKNOWN, _("Invalid NAS-IP-Address"));
+                die (STATE_UNKNOWN, _("Invalid NAS-IP-Address\n"));
 
         my_rc_buildreq (&data, PW_ACCESS_REQUEST, server, port, (int)timeout_interval,
                      retries);
@@ -199,19 +206,19 @@ main (int argc, char **argv)
                 rc_avpair_free (data.receive_pairs);
 
         if (result == TIMEOUT_RC)
-                die (STATE_CRITICAL, _("Timeout"));
+                die (STATE_CRITICAL, _("Timeout\n"));
         if (result == ERROR_RC)
-                die (STATE_CRITICAL, _("Auth Error"));
+                die (STATE_CRITICAL, _("Auth Error\n"));
         if (result == REJECT_RC)
-                die (STATE_WARNING, _("Auth Failed"));
+                die (STATE_WARNING, _("Auth Failed\n"));
         if (result == BADRESP_RC)
-                die (STATE_WARNING, _("Bad Response"));
+                die (STATE_WARNING, _("Bad Response\n"));
         if (expect && !strstr (msg, expect))
-                die (STATE_WARNING, "%s", msg);
+                die (STATE_WARNING, "%s\n", msg);
         if (result == OK_RC)
-                die (STATE_OK, _("Auth OK"));
+                die (STATE_OK, _("Auth OK\n"));
         (void)snprintf(msg, sizeof(msg), _("Unexpected result code %d"), result);
-        die (STATE_UNKNOWN, "%s", msg);
+        die (STATE_UNKNOWN, "%s\n", msg);
 }
 
 
@@ -392,7 +399,7 @@ print_usage (void)
 
 int my_rc_read_config(char * a)
 {
-#ifdef HAVE_LIBRADIUSCLIENT_NG
+#if defined(HAVE_LIBFREERADIUS_CLIENT) || defined(HAVE_LIBRADIUSCLIENT_NG)
         rch = rc_read_config(a);
         return (rch == NULL) ? 1 : 0;
 #else
diff --git a/plugins/check_real.c b/plugins/check_real.c
index 47776c5..36f6413 100644
--- a/plugins/check_real.c
+++ b/plugins/check_real.c
@@ -178,6 +178,7 @@ main (int argc, char **argv)
 
                 /* watch for the REAL connection string */
                 result = recv (sd, buffer, MAX_INPUT_BUFFER - 1, 0);
+                buffer[result] = "\0"; /* null terminate recieved buffer */
 
                 /* return a CRITICAL status if we couldn't read any data */
                 if (result == -1) {
diff --git a/plugins/check_ssh.c b/plugins/check_ssh.c
index f4522e2..b6187d6 100644
--- a/plugins/check_ssh.c
+++ b/plugins/check_ssh.c
@@ -46,6 +46,7 @@ const char *email = "devel@monitoring-plugins.org";
 int port = -1;
 char *server_name = NULL;
 char *remote_version = NULL;
+char *remote_protocol = NULL;
 int verbose = FALSE;
 
 int process_arguments (int, char **);
@@ -53,7 +54,7 @@ int validate_arguments (void);
 void print_help (void);
 void print_usage (void);
 
-int ssh_connect (char *haddr, int hport, char *remote_version);
+int ssh_connect (char *haddr, int hport, char *remote_version, char *remote_protocol);
 
 
 
@@ -78,7 +79,7 @@ main (int argc, char **argv)
         alarm (socket_timeout);
 
         /* ssh_connect exits if error is found */
-        result = ssh_connect (server_name, port, remote_version);
+        result = ssh_connect (server_name, port, remote_version, remote_protocol);
 
         alarm (0);
 
@@ -105,6 +106,7 @@ process_arguments (int argc, char **argv)
                 {"timeout", required_argument, 0, 't'},
                 {"verbose", no_argument, 0, 'v'},
                 {"remote-version", required_argument, 0, 'r'},
+                {"remote-protcol", required_argument, 0, 'P'},
                 {0, 0, 0, 0}
         };
 
@@ -116,7 +118,7 @@ process_arguments (int argc, char **argv)
                         strcpy (argv[c], "-t");
 
         while (1) {
-                c = getopt_long (argc, argv, "+Vhv46t:r:H:p:", longopts, &option);
+                c = getopt_long (argc, argv, "+Vhv46t:r:H:p:P:", longopts, &option);
 
                 if (c == -1 || c == EOF)
                         break;
@@ -152,6 +154,9 @@ process_arguments (int argc, char **argv)
                 case 'r':                                                                       /* remote version */
                         remote_version = optarg;
                         break;
+                case 'P':                                                                       /* remote version */
+                        remote_protocol = optarg;
+                        break;
                 case 'H':                                                                       /* host */
                         if (is_host (optarg) == FALSE)
                                 usage2 (_("Invalid hostname/address"), optarg);
@@ -206,7 +211,7 @@ validate_arguments (void)
 
 
 int
-ssh_connect (char *haddr, int hport, char *remote_version)
+ssh_connect (char *haddr, int hport, char *remote_version, char *remote_protocol)
 {
         int sd;
         int result;
@@ -254,6 +259,14 @@ ssh_connect (char *haddr, int hport, char *remote_version)
                         exit (STATE_WARNING);
                 }
 
+                if (remote_protocol && strcmp(remote_protocol, ssh_proto)) {
+                        printf
+                                (_("SSH WARNING - %s (protocol %s) protocol version mismatch, expected '%s'\n"),
+                                 ssh_server, ssh_proto, remote_protocol);
+                        close(sd);
+                        exit (STATE_WARNING);
+                }
+
                 elapsed_time = (double)deltime(tv) / 1.0e6;
 
                 printf
@@ -296,6 +309,9 @@ print_help (void)
         printf (" %s\n", "-r, --remote-version=STRING");
   printf ("    %s\n", _("Warn if string doesn't match expected server version (ex: OpenSSH_3.9p1)"));
 
+        printf (" %s\n", "-P, --remote-protocol=STRING");
+  printf ("    %s\n", _("Warn if protocol doesn't match expected protocol version (ex: 2.0)"));
+
         printf (UT_VERBOSE);
 
         printf (UT_SUPPORT);
diff --git a/plugins/check_tcp.c b/plugins/check_tcp.c
index 0a6e2b2..f75c523 100644
--- a/plugins/check_tcp.c
+++ b/plugins/check_tcp.c
@@ -32,13 +32,12 @@ char *progname;
 const char *copyright = "1999-2008";
 const char *email = "devel@monitoring-plugins.org";
 
-#include <ctype.h>
-
 #include "common.h"
 #include "netutils.h"
 #include "utils.h"
 #include "utils_tcp.h"
 
+#include <ctype.h>
 #include <sys/select.h>
 
 #ifdef HAVE_SSL
@@ -354,8 +353,13 @@ main (int argc, char **argv)
                         printf("Unexpected response from host/socket on ");
                 else
                         printf("%.3f second response time on ", elapsed_time);
-                if(server_address[0] != '/')
-                        printf("port %d", server_port);
+                if(server_address[0] != '/') {
+                        if (host_specified)
+                                printf("%s port %d",
+                                       server_address, server_port);
+                        else
+                                printf("port %d", server_port);
+                }
                 else
                         printf("socket %s", server_address);
         }
diff --git a/plugins/check_ups.c b/plugins/check_ups.c
index 7cced49..099881d 100644
--- a/plugins/check_ups.c
+++ b/plugins/check_ups.c
@@ -66,7 +66,7 @@ enum {
 #define UPSSTATUS_BOOST    512
 #define UPSSTATUS_CHRG    1024
 #define UPSSTATUS_DISCHRG 2048
-#define UPSSTATUS_UNKOWN  4096
+#define UPSSTATUS_UNKNOWN  4096
 
 enum { NOSUCHVAR = ERROR-1 };
 
@@ -181,7 +181,7 @@ main (int argc, char **argv)
                         if (status & UPSSTATUS_DISCHRG) {
                                 xasprintf (&ups_status, "%s%s", ups_status, _(", Discharging"));
                         }
-                        if (status & UPSSTATUS_UNKOWN) {
+                        if (status & UPSSTATUS_UNKNOWN) {
                                 xasprintf (&ups_status, "%s%s", ups_status, _(", Unknown"));
                         }
                 }
@@ -379,7 +379,7 @@ determine_status (void)
                 else if (!strcmp (ptr, "DISCHRG"))
                         status |= UPSSTATUS_DISCHRG;
                 else
-                        status |= UPSSTATUS_UNKOWN;
+                        status |= UPSSTATUS_UNKNOWN;
         }
 
         return OK;
diff --git a/plugins/negate.c b/plugins/negate.c
index 4bd09de..beaed1e 100644
--- a/plugins/negate.c
+++ b/plugins/negate.c
@@ -35,16 +35,16 @@ const char *email = "devel@monitoring-plugins.org";
 
 #define DEFAULT_TIMEOUT 11
 
-#include <ctype.h>
-
 #include "common.h"
 #include "utils.h"
 #include "utils_cmd.h"
 
+#include <ctype.h>
+
 /* char *command_line; */
 
 static const char **process_arguments (int, char **);
-int validate_arguments (char **);
+void validate_arguments (char **);
 void print_help (void);
 void print_usage (void);
 int subst_text = FALSE;
@@ -98,8 +98,7 @@ main (int argc, char **argv)
                 die (max_state_alt (result, STATE_UNKNOWN), _("No data returned from command\n"));
 
         for (i = 0; i < chld_out.lines; i++) {
-                if (subst_text && result != state[result] &&
-                    result >= 0 && result <= 4) {
+                if (subst_text && result >= 0 && result <= 4 && result != state[result])  {
                         /* Loop over each match found */
                         while ((sub = strstr (chld_out.line[i], state_text (result)))) {
                                 /* Terminate the first part and skip over the string we'll substitute */
@@ -206,7 +205,7 @@ process_arguments (int argc, char **argv)
 }
 
 
-int
+void
 validate_arguments (char **command_line)
 {
         if (command_line[0] == NULL)
diff --git a/plugins/netutils.c b/plugins/netutils.c
index 7ae9722..705aaf0 100644
--- a/plugins/netutils.c
+++ b/plugins/netutils.c
@@ -171,11 +171,12 @@ np_net_connect (const char *host_name, int port, int *sd, int proto)
         char port_str[6], host[MAX_HOST_ADDRESS_LENGTH];
         size_t len;
         int socktype, result;
+        short is_socket = (host_name[0] == '/');
 
         socktype = (proto == IPPROTO_UDP) ? SOCK_DGRAM : SOCK_STREAM;
 
         /* as long as it doesn't start with a '/', it's assumed a host or ip */
-        if(host_name[0] != '/'){
+        if (!is_socket){
                 memset (&hints, 0, sizeof (hints));
                 hints.ai_family = address_family;
                 hints.ai_protocol = proto;
@@ -255,7 +256,11 @@ np_net_connect (const char *host_name, int port, int *sd, int proto)
                 case STATE_OK:
                 case STATE_WARNING:  /* user wants WARN or OK on refusal, or... */
                 case STATE_CRITICAL: /* user did not set econn_refuse_state, or wanted critical */
-                        printf ("%s\n", strerror(errno));
+                        if (is_socket)
+                                printf("connect to file socket %s: %s\n", host_name, strerror(errno));
+                        else
+                                printf("connect to address %s and port %d: %s\n",
+                                       host_name, port, strerror(errno));
                         return STATE_CRITICAL;
                         break;
                 default: /* it's a logic error if we do not end up in STATE_(OK|WARNING|CRITICAL) */
@@ -264,7 +269,11 @@ np_net_connect (const char *host_name, int port, int *sd, int proto)
                 }
         }
         else {
-                printf ("%s\n", strerror(errno));
+                if (is_socket)
+                        printf("connect to file socket %s: %s\n", host_name, strerror(errno));
+                else
+                        printf("connect to address %s and port %d: %s\n",
+                               host_name, port, strerror(errno));
                 return STATE_CRITICAL;
         }
 }
diff --git a/plugins/netutils.h b/plugins/netutils.h
index c5aa18f..c6fce90 100644
--- a/plugins/netutils.h
+++ b/plugins/netutils.h
@@ -40,8 +40,8 @@
 #ifdef HAVE_SYS_UN_H
 # include <sys/un.h>
 # ifndef UNIX_PATH_MAX
-   /* linux uses this, on sun it's hard-coded at 108 without a define */
-#  define UNIX_PATH_MAX 108
+   /* linux uses this, on sun it's hard-coded at 108 without a define, on BSD at 104 */
+#  define UNIX_PATH_MAX 104
 # endif /* UNIX_PATH_MAX */
 #endif /* HAVE_SYS_UN_H */
 
diff --git a/plugins/runcmd.c b/plugins/runcmd.c
index 4352e60..1a7c904 100644
--- a/plugins/runcmd.c
+++ b/plugins/runcmd.c
@@ -261,7 +261,7 @@ runcmd_timeout_alarm_handler (int signo)
         size_t i;
 
         if (signo == SIGALRM)
-                puts(_("CRITICAL - Plugin timed out while executing system call\n"));
+                puts(_("CRITICAL - Plugin timed out while executing system call"));
 
         if(np_pids) for(i = 0; i < maxfd; i++) {
                 if(np_pids[i] != 0) kill(np_pids[i], SIGKILL);
diff --git a/plugins/sslutils.c b/plugins/sslutils.c
index 2732125..d0ae474 100644
--- a/plugins/sslutils.c
+++ b/plugins/sslutils.c
@@ -86,10 +86,12 @@ int np_net_ssl_init_with_hostname_version_and_cert(int sd, char *host_name, int
         if (cert && privkey) {
                 SSL_CTX_use_certificate_file(c, cert, SSL_FILETYPE_PEM);
                 SSL_CTX_use_PrivateKey_file(c, privkey, SSL_FILETYPE_PEM);
+#ifdef USE_OPENSSL
                 if (!SSL_CTX_check_private_key(c)) {
                         printf ("%s\n", _("CRITICAL - Private key does not seem to match certificate!\n"));
                         return STATE_CRITICAL;
                 }
+#endif
         }
 #ifdef SSL_OP_NO_TICKET
         SSL_CTX_set_options(c, SSL_OP_NO_TICKET);
@@ -151,7 +153,8 @@ int np_net_ssl_check_cert(int days_till_exp_warn, int days_till_exp_crit){
         struct tm stamp;
         float time_left;
         int days_left;
-        char timestamp[17] = "";
+        char timestamp[50] = "";
+        time_t tm_t;
 
         certificate=SSL_get_peer_certificate(s);
         if (!certificate) {
@@ -209,10 +212,8 @@ int np_net_ssl_check_cert(int days_till_exp_warn, int days_till_exp_crit){
 
         time_left = difftime(timegm(&stamp), time(NULL));
         days_left = time_left / 86400;
-        snprintf
-                (timestamp, 17, "%02d/%02d/%04d %02d:%02d",
-                 stamp.tm_mon + 1,
-                 stamp.tm_mday, stamp.tm_year + 1900, stamp.tm_hour, stamp.tm_min);
+        tm_t = mktime (&stamp);
+        strftime(timestamp, 50, "%c", localtime(&tm_t));
 
         if (days_left > 0 && days_left <= days_till_exp_warn) {
                 printf (_("%s - Certificate '%s' expires in %d day(s) (%s).\n"), (days_left>days_till_exp_crit)?"WARNING":"CRITICAL", cn, days_left, timestamp);
diff --git a/plugins/t/NPTest.cache.travis b/plugins/t/NPTest.cache.travis
new file mode 100644
index 0000000..4ebfb90
--- /dev/null
+++ b/plugins/t/NPTest.cache.travis
@@ -0,0 +1,56 @@
+{
+  'MYSQL_LOGIN_DETAILS' => '-u root -d test',
+  'NP_ALLOW_SUDO' => 'yes',
+  'NP_DNS_SERVER' => '8.8.8.8',
+  'NP_GOOD_NTP_SERVICE' => '',
+  'NP_HOSTNAME_INVALID' => 'nosuchhost',
+  'NP_HOSTNAME_VALID' => 'monitoringplugins.org',
+  'NP_HOSTNAME_VALID_IP' => '130.133.8.40',
+  'NP_HOSTNAME_VALID_REVERSE' => 'orwell.monitoring-plugins.org.',
+  'NP_HOST_DHCP_RESPONSIVE' => '',
+  'NP_HOST_NONRESPONSIVE' => '10.0.0.1',
+  'NP_HOST_RESPONSIVE' => 'localhost',
+  'NP_HOST_SMB' => '',
+  'NP_HOST_SNMP' => '',
+  'NP_HOST_TCP_FTP' => '',
+  'NP_HOST_TCP_HPJD' => '',
+  'NP_HOST_HPJD_PORT_INVALID' => '161',
+  'NP_HOST_HPJD_PORT_VALID' => '',
+  'NP_HOST_TCP_HTTP' => 'localhost',
+  'NP_HOST_TCP_HTTP2' => 'labs.consol.de',
+  'NP_HOST_TCP_IMAP' => 'imap.web.de',
+  'NP_HOST_TCP_POP' => 'pop.web.de',
+  'NP_HOST_TCP_SMTP' => 'localhost',
+  'NP_HOST_TCP_SMTP_NOTLS' => '',
+  'NP_HOST_TCP_SMTP_TLS' => '',
+  'NP_INTERNET_ACCESS' => 'yes',
+  'NP_MOUNTPOINT2_VALID' => '',
+  'NP_MOUNTPOINT_VALID' => '/',
+  'NP_MYSQL_SERVER' => 'localhost',
+  'NP_HOST_UDP_TIME' => 'localhost',
+  'NP_MYSQL_SOCKET' => '/var/run/mysqld/mysqld.sock',
+  'NP_MYSQL_WITH_SLAVE' => '',
+  'NP_MYSQL_WITH_SLAVE_LOGIN' => '',
+  'NP_NO_NTP_SERVICE' => 'localhost',
+  'NP_SMB_SHARE' => '',
+  'NP_SMB_SHARE_DENY' => '',
+  'NP_SMB_SHARE_SPC' => '',
+  'NP_SMB_VALID_USER' => '',
+  'NP_SMB_VALID_USER_PASS' => '',
+  'NP_SNMP_COMMUNITY' => '',
+  'NP_SSH_CONFIGFILE' => '~/.ssh/config',
+  'NP_SSH_HOST' => 'localhost',
+  'NP_SSH_IDENTITY' => '~/.ssh/id_dsa',
+  'NP_HOST_TCP_JABBER' => 'jabber.org',
+  'host_nonresponsive' => '10.0.0.1',
+  'host_responsive' => 'localhost',
+  'host_snmp' => '',
+  'host_tcp_ftp' => '',
+  'host_tcp_http' => 'localhost',
+  'host_tcp_imap' => 'imap.nierlein.de',
+  'host_tcp_smtp' => 'localhost',
+  'hostname_invalid' => 'nosuchhost',
+  'snmp_community' => '',
+  'user_snmp' => '',
+  'host_udp_time' => 'none',
+}
diff --git a/plugins/t/check_dns.t b/plugins/t/check_dns.t
index 2c903db..b885880 100644
--- a/plugins/t/check_dns.t
+++ b/plugins/t/check_dns.t
@@ -10,7 +10,7 @@ use NPTest;
 
 plan skip_all => "check_dns not compiled" unless (-x "check_dns");
 
-plan tests => 13;
+plan tests => 14;
 
 my $successOutput = '/DNS OK: [\.0-9]+ seconds? response time/';
 
@@ -54,6 +54,7 @@ cmp_ok( $res->return_code, '==', 2, "Critical threshold passed");
 
 $res = NPTest->testCmd("./check_dns -H $hostname_valid -t 5 -w 0 -c 5");
 cmp_ok( $res->return_code, '==', 1, "Warning threshold passed");
+like( $res->output, '/\|time=[\d\.]+s;0.0*;5\.0*;0\.0*/', "Output performance data OK" );
 
 $res = NPTest->testCmd("./check_dns -H $hostname_invalid -t 1");
 cmp_ok( $res->return_code, '==', 2, "Invalid $hostname_invalid");
diff --git a/plugins/t/check_fping.t b/plugins/t/check_fping.t
index 45a9be8..08692e4 100644
--- a/plugins/t/check_fping.t
+++ b/plugins/t/check_fping.t
@@ -27,16 +27,18 @@ my $hostname_invalid   = getTestParameter( "hostname_invalid",   "NP_HOSTNAME_IN
 
 my $t;
 
-if ( -x "./check_fping" )
-{
+my $fping = qx(which fping 2> /dev/null);
+chomp($fping);
+if( ! -x "./check_fping") {
+  $t += skipMissingCmd( "./check_fping", $tests );
+}
+elsif ( $> != 0 && (!$fping || ! -u $fping)) {
+  $t += skipMsg( "./check_fping", $tests );
+} else {
   $t += checkCmd( "./check_fping $host_responsive",    0,       $successOutput );
   $t += checkCmd( "./check_fping $host_nonresponsive", [ 1, 2 ] );
   $t += checkCmd( "./check_fping $hostname_invalid",   [ 1, 2 ] );
 }
-else
-{
-  $t += skipMissingCmd( "./check_fping", $tests );
-}
 
 exit(0) if defined($Test::Harness::VERSION);
 exit($tests - $t);
diff --git a/plugins/t/check_hpjd.t b/plugins/t/check_hpjd.t
index 10ded54..4d64852 100644
--- a/plugins/t/check_hpjd.t
+++ b/plugins/t/check_hpjd.t
@@ -10,7 +10,6 @@ use NPTest;
 
 plan skip_all => "check_hpjd not compiled" unless (-x "check_hpjd");
 
-plan tests => 5;
 
 my $successOutput = '/^Printer ok - /';
 my $failureOutput = '/Timeout: No [Rr]esponse from /';
@@ -20,31 +19,53 @@ my $host_tcp_hpjd = getTestParameter(
                         "A host (usually a printer) providing the HP-JetDirect Services"
                         );
 
+my $host_hpjd_port_invalid = getTestParameter( 
+                        "NP_HOST_HPJD_PORT_INVALID",
+                        "A port that HP-JetDirect Services is not listening on",
+                        "162"
+                        );
+
+my $host_hpjd_port_valid = getTestParameter( 
+                        "NP_HOST_HPJD_PORT_VALID",
+                        "The port that HP-JetDirect Services is currently listening on",
+                        "161"
+                        );
+
 my $host_nonresponsive = getTestParameter( 
                         "NP_HOST_NONRESPONSIVE",
                         "The hostname of system not responsive to network requests",
-                        "10.0.0.1",
+                        "10.0.0.1"
                         );
 
 my $hostname_invalid = getTestParameter( 
                         "NP_HOSTNAME_INVALID",
                         "An invalid (not known to DNS) hostname",
-                        "nosuchhost",
+                        "nosuchhost"
                         );
 
+my $tests = $host_tcp_hpjd ? 9 : 5;
+plan tests => $tests;
 my $res;
 
 SKIP: {
         skip "No HP JetDirect defined", 2 unless $host_tcp_hpjd;
-        $res = NPTest->testCmd("./check_hpjd $host_tcp_hpjd");
-        cmp_ok( $res->return_code, '==', 0, "Jetdirect responding" );
+        $res = NPTest->testCmd("./check_hpjd -H $host_tcp_hpjd");
+        cmp_ok( $res->return_code, 'eq', 0, "Jetdirect responding" );
         like  ( $res->output, $successOutput, "Output correct" );
+
+        $res = NPTest->testCmd("./check_hpjd -H $host_tcp_hpjd -p $host_hpjd_port_valid");
+        cmp_ok( $res->return_code, 'eq', 0, "Jetdirect responding on port $host_hpjd_port_valid" );
+        like  ( $res->output, $successOutput, "Output correct" );
+
+        $res = NPTest->testCmd("./check_hpjd -H $host_tcp_hpjd -p $host_hpjd_port_invalid");
+        cmp_ok( $res->return_code, 'eq', 2, "Jetdirect not responding on port $host_hpjd_port_invalid" );
+        like  ( $res->output, $failureOutput, "Output correct" );
 }
 
-$res = NPTest->testCmd("./check_hpjd $host_nonresponsive");
+$res = NPTest->testCmd("./check_hpjd -H $host_nonresponsive");
 cmp_ok( $res->return_code, 'eq', 2, "Host not responding");
 like  ( $res->output, $failureOutput, "Output OK" );
 
-$res = NPTest->testCmd("./check_hpjd $hostname_invalid");
+$res = NPTest->testCmd("./check_hpjd -H $hostname_invalid");
 cmp_ok( $res->return_code, 'eq', 3, "Hostname invalid");
 
diff --git a/plugins/t/check_jabber.t b/plugins/t/check_jabber.t
index 1aaf812..7a708d5 100644
--- a/plugins/t/check_jabber.t
+++ b/plugins/t/check_jabber.t
@@ -29,7 +29,7 @@ my $hostname_invalid   = getTestParameter(
                         );
 
 
-my $jabberOK = '/JABBER OK\s-\s\d+\.\d+\ssecond response time on port 5222/';
+my $jabberOK = '/JABBER OK\s-\s\d+\.\d+\ssecond response time on '.$host_tcp_jabber.' port 5222/';
 
 my $jabberUnresponsive = '/CRITICAL\s-\sSocket timeout after\s\d+\sseconds/';
 
@@ -40,7 +40,7 @@ my $r;
 SKIP: {
         skip "No jabber server defined", 6 unless $host_tcp_jabber;
 
-        $r = NPTest->testCmd( "./check_jabber $host_tcp_jabber" );
+        $r = NPTest->testCmd( "./check_jabber -H $host_tcp_jabber" );
         is( $r->return_code, 0, "Connected okay");
         like( $r->output, $jabberOK, "Output as expected" );
 
@@ -48,7 +48,7 @@ SKIP: {
         is( $r->return_code, 0, "Connected okay, within limits" );
         like( $r->output, $jabberOK, "Output as expected" );
         
-        $r = NPTest->testCmd( "./check_jabber $host_tcp_jabber -wt 9 -ct 9 -to 10" );
+        $r = NPTest->testCmd( "./check_jabber -H $host_tcp_jabber -wt 9 -ct 9 -to 10" );
         is( $r->return_code, 0, "Old syntax okay" );
         like( $r->output, $jabberOK, "Output as expected" );
 
diff --git a/plugins/t/check_ntp.t b/plugins/t/check_ntp.t
index 3eee6e1..b8fc8fd 100644
--- a/plugins/t/check_ntp.t
+++ b/plugins/t/check_ntp.t
@@ -23,27 +23,27 @@ my $no_ntp_service = getTestParameter( "NP_NO_NTP_SERVICE",
                 "A host NOT providing the NTP service",
                 "localhost" );
 
-my $host_nonresponsive = getTestParameter( "NP_HOST_NONRESPONSIVE", 
+my $host_nonresponsive = getTestParameter( "NP_HOST_NONRESPONSIVE",
                 "The hostname of system not responsive to network requests",
                 "10.0.0.1" );
 
-my $hostname_invalid = getTestParameter( "NP_HOSTNAME_INVALID", 
-                "An invalid (not known to DNS) hostname",  
+my $hostname_invalid = getTestParameter( "NP_HOSTNAME_INVALID",
+                "An invalid (not known to DNS) hostname",
                 "nosuchhost");
 
 my $ntp_okmatch1 = '/^NTP\sOK:\sOffset\s-?[0-9]+(\.[0-9]+)?(e-[0-9]{2})?\ssecs/';
 my $ntp_warnmatch1 = '/^NTP\sWARNING:\sOffset\s-?[0-9]+(\.[0-9]+)?(e-[0-9]{2})?\ssecs/';
 my $ntp_critmatch1 = '/^NTP\sCRITICAL:\sOffset\s-?[0-9]+(\.[0-9]+)?(e-[0-9]{2})?\ssecs/';
 my $ntp_okmatch2 = '/^NTP\sOK:\sOffset\s-?[0-9]+(\.[0-9]+)?(e-[0-9]{2})?\ssecs,\sjitter=[0-9]+\.[0-9]+,\sstratum=[0-9]{1,2},\struechimers=[0-9]+/';
-my $ntp_warnmatch2 = '/^NTP\sWARNING:\sOffset\s-?[0-9]+(\.[0-9]+)?(e-[0-9]{2})?\ssecs,\sjitter=[0-9]+\.[0-9]+,\sstratum=[0-9]{1,2},\struechimers=[0-9]+/';
-my $ntp_critmatch2 = '/^NTP\sCRITICAL:\sOffset\s-?[0-9]+(\.[0-9]+)?(e-[0-9]{2})?\ssecs,\sjitter=[0-9]+\.[0-9]+,\sstratum=[0-9]{1,2},\struechimers=[0-9]+/';
+my $ntp_warnmatch2 = '/^NTP\sWARNING:\sOffset\s-?[0-9]+(\.[0-9]+)?(e-[0-9]{2})?\ssecs,\sjitter=[0-9]+\.[0-9]+,\sstratum=[0-9]{1,2}\s\(WARNING\),\struechimers=[0-9]+/';
+my $ntp_critmatch2 = '/^NTP\sCRITICAL:\sOffset\s-?[0-9]+(\.[0-9]+)?(e-[0-9]{2})?\ssecs,\sjitter=[0-9]+\.[0-9]+\s\(CRITICAL\),\sstratum=[0-9]{1,2},\struechimers=[0-9]+/';
 my $ntp_noresponse = '/^(CRITICAL - Socket timeout after 3 seconds)|(NTP CRITICAL: No response from NTP server)$/';
 my $ntp_nosuchhost = '/^check_ntp.*: Invalid hostname/address - ' . $hostname_invalid . '/';
 
 
 foreach my $plugin (@PLUGINS1) {
         SKIP: {
-                skip "No NTP server defined", 1 unless $ntp_service;
+                skip "No NTP server defined", 6 unless $ntp_service;
                 $res = NPTest->testCmd(
                         "./$plugin -H $ntp_service -w 1000 -c 2000"
                         );
@@ -88,7 +88,7 @@ foreach my $plugin (@PLUGINS1) {
 
 foreach my $plugin (@PLUGINS2) {
         SKIP: {
-                skip "No NTP server defined", 1 unless $ntp_service;
+                skip "No NTP server defined", 6 unless $ntp_service;
                 $res = NPTest->testCmd(
                         "./$plugin -H $ntp_service -w 1000 -c 2000 -W 20 -C 21 -j 100000 -k 200000 -m 1: -n 0:"
                         );
diff --git a/plugins/t/check_procs.t b/plugins/t/check_procs.t
index ca4acdd..abe7284 100644
--- a/plugins/t/check_procs.t
+++ b/plugins/t/check_procs.t
@@ -26,7 +26,7 @@ $result = NPTest->testCmd( "./check_procs -w 100000 -c 100000 -s Z" );
 is( $result->return_code, 0, "Checking less than 100000 zombie processes" );
 like( $result->output, '/^PROCS OK: [0-9]+ process(es)? with /', "Output correct" );
 
-if(fork() == 0) { exec("sleep 7"); } # fork a test process
+if(fork() == 0) { exec("sleep 7"); } else { sleep(1) } # fork a test process in child and give child time to fork in parent
 $result = NPTest->testCmd( "./check_procs -a 'sleep 7'" );
 is( $result->return_code, 0, "Parent process is ignored" );
 like( $result->output, '/^PROCS OK: 1 process?/', "Output correct" );
diff --git a/plugins/t/check_snmp.t b/plugins/t/check_snmp.t
index c35d782..2d6c44a 100644
--- a/plugins/t/check_snmp.t
+++ b/plugins/t/check_snmp.t
@@ -45,7 +45,7 @@ is( $res->return_code, 3, "Invalid protocol" );
 like( $res->output, "/check_snmp: Invalid SNMP version - 3c/" );
 
 SKIP: {
-    skip "no snmp host defined", 38 if ( ! $host_snmp );
+    skip "no snmp host defined", 48 if ( ! $host_snmp );
 
     $res = NPTest->testCmd( "./check_snmp -H $host_snmp -C $snmp_community -o system.sysUpTime.0 -w 1: -c 1:");
     cmp_ok( $res->return_code, '==', 0, "Exit OK when querying uptime" );
diff --git a/plugins/t/check_udp.t b/plugins/t/check_udp.t
index 619cadf..1f6fee7 100644
--- a/plugins/t/check_udp.t
+++ b/plugins/t/check_udp.t
@@ -62,7 +62,7 @@ SKIP: {
         cmp_ok( $res->return_code, '==', '2', "Hung waiting for response");
         like  ( $res->output, '/Socket timeout after 5 seconds/', "Timeout message");
         like  ( $duration, '/^[56]$/', "Timeout after 5 (possibly 6) seconds");
-        my $read_nc = <NC>;
+        my $read_nc = <NC> || '';
         close NC;
         cmp_ok( $read_nc, 'eq', "foofoo", "Data received correctly" );
 }
diff --git a/plugins/tests/check_http.t b/plugins/tests/check_http.t
index 2c89beb..d93a0ec 100755
--- a/plugins/tests/check_http.t
+++ b/plugins/tests/check_http.t
@@ -20,8 +20,9 @@ use FindBin qw($Bin);
 my $common_tests = 70;
 my $ssl_only_tests = 8;
 # Check that all dependent modules are available
+eval "use HTTP::Daemon 6.01;";
+plan skip_all => 'HTTP::Daemon >= 6.01 required' if $@;
 eval {
-        require HTTP::Daemon;
         require HTTP::Status;
         require HTTP::Response;
 };
@@ -185,21 +186,21 @@ SKIP: {
 
         $result = NPTest->testCmd( "$command -p $port_https -S -C 14" );
         is( $result->return_code, 0, "$command -p $port_https -S -C 14" );
-        is( $result->output, 'OK - Certificate \'Ton Voon\' will expire on 03/03/2019 21:41.', "output ok" );
+        is( $result->output, 'OK - Certificate \'Ton Voon\' will expire on Sun Mar  3 21:41:00 2019.', "output ok" );
 
         $result = NPTest->testCmd( "$command -p $port_https -S -C 14000" );
         is( $result->return_code, 1, "$command -p $port_https -S -C 14000" );
-        like( $result->output, '/WARNING - Certificate \'Ton Voon\' expires in \d+ day\(s\) \(03/03/2019 21:41\)./', "output ok" );
+        like( $result->output, '/WARNING - Certificate \'Ton Voon\' expires in \d+ day\(s\) \(Sun Mar  3 21:41:00 2019\)./', "output ok" );
 
         # Expired cert tests
         $result = NPTest->testCmd( "$command -p $port_https -S -C 13960,14000" );
         is( $result->return_code, 2, "$command -p $port_https -S -C 13960,14000" );
-        like( $result->output, '/CRITICAL - Certificate \'Ton Voon\' expires in \d+ day\(s\) \(03/03/2019 21:41\)./', "output ok" );
+        like( $result->output, '/CRITICAL - Certificate \'Ton Voon\' expires in \d+ day\(s\) \(Sun Mar  3 21:41:00 2019\)./', "output ok" );
 
         $result = NPTest->testCmd( "$command -p $port_https_expired -S -C 7" );
         is( $result->return_code, 2, "$command -p $port_https_expired -S -C 7" );
         is( $result->output,
-                'CRITICAL - Certificate \'Ton Voon\' expired on 03/05/2009 00:13.',
+                'CRITICAL - Certificate \'Ton Voon\' expired on Thu Mar  5 00:13:00 2009.',
                 "output ok" );
 
 }
@@ -392,27 +393,21 @@ sub run_common_tests {
                 skip "This doesn't seems to work all the time", 1 unless ($ENV{HTTP_EXTERNAL});
                 $cmd = "$command -f follow -u /redir_external -t 5";
                 eval {
-                        local $SIG{ALRM} = sub { die "alarm\n" };
-                        alarm(2);
-                        $result = NPTest->testCmd( $cmd );
-                        alarm(0); };
-                is( $@, "alarm\n", $cmd );
+                        $result = NPTest->testCmd( $cmd, 2 );
+                };
+                like( $@, "/timeout in command: $cmd/", $cmd );
         }
 
         $cmd = "$command -u /timeout -t 5";
         eval {
-                local $SIG{ALRM} = sub { die "alarm\n" };
-                alarm(2);
-                $result = NPTest->testCmd( $cmd );
-                alarm(0); };
-        is( $@, "alarm\n", $cmd );
+                $result = NPTest->testCmd( $cmd, 2 );
+        };
+        like( $@, "/timeout in command: $cmd/", $cmd );
 
         $cmd = "$command -f follow -u /redir_timeout -t 2";
         eval {
-                local $SIG{ALRM} = sub { die "alarm\n" };
-                alarm(5);
-                $result = NPTest->testCmd( $cmd );
-                alarm(0); };
-        isnt( $@, "alarm\n", $cmd );
+                $result = NPTest->testCmd( $cmd, 5 );
+        };
+        is( $@, "", $cmd );
 
 }
diff --git a/plugins/tests/check_procs.t b/plugins/tests/check_procs.t
index 1ad2c2f..54d43d9 100755
--- a/plugins/tests/check_procs.t
+++ b/plugins/tests/check_procs.t
@@ -48,21 +48,26 @@ SKIP: {
     like( $result->output, '/^PROCS OK: 1 process with command name \'launchd\', UID = 501 (.*)$/', "Output correct" );
 }
 
-$result = NPTest->testCmd( "$command -u -2 -w 2:2" );
-is( $result->return_code, 1, "Checking processes with userid=-2" );
-like( $result->output, '/^PROCS WARNING: 3 processes with UID = -2 \(nobody\)$/', "Output correct" );
+SKIP: {
+    skip 'user with uid -2 required', 8 unless getpwuid(-2);
+    skip 'uid -2 must have name "nobody"', 8 unless getpwuid(-2) eq 'nobody';
+
+    $result = NPTest->testCmd( "$command -u -2 -w 2:2" );
+    is( $result->return_code, 1, "Checking processes with userid=-2" );
+    like( $result->output, '/^PROCS WARNING: 3 processes with UID = -2 \(nobody\)$/', "Output correct" );
 
-$result = NPTest->testCmd( "$command -u -2 -w 3:3" );
-is( $result->return_code, 0, "Checking processes with userid=-2 past threshold" );
-like( $result->output, '/^PROCS OK: 3 processes with UID = -2 \(nobody\)$/', "Output correct" );
+    $result = NPTest->testCmd( "$command -u -2 -w 3:3" );
+    is( $result->return_code, 0, "Checking processes with userid=-2 past threshold" );
+    like( $result->output, '/^PROCS OK: 3 processes with UID = -2 \(nobody\)$/', "Output correct" );
 
-$result = NPTest->testCmd( "$command -u -2 -a usb" );
-is( $result->return_code, 0, "Checking processes with userid=-2 and usb in arguments" );
-like( $result->output, '/^PROCS OK: 1 process with UID = -2 \(nobody\), args \'usb\'/', "Output correct" );
+    $result = NPTest->testCmd( "$command -u -2 -a usb" );
+    is( $result->return_code, 0, "Checking processes with userid=-2 and usb in arguments" );
+    like( $result->output, '/^PROCS OK: 1 process with UID = -2 \(nobody\), args \'usb\'/', "Output correct" );
 
-$result = NPTest->testCmd( "$command -u -2 -a UsB" );
-is( $result->return_code, 0, "Checking case sensitivity of args" );
-like( $result->output, '/^PROCS OK: 0 processes with UID = -2 \(nobody\), args \'UsB\'/', "Output correct" );
+    $result = NPTest->testCmd( "$command -u -2 -a UsB" );
+    is( $result->return_code, 0, "Checking case sensitivity of args" );
+    like( $result->output, '/^PROCS OK: 0 processes with UID = -2 \(nobody\), args \'UsB\'/', "Output correct" );
+};
 
 $result = NPTest->testCmd( "$command --ereg-argument-array='mdworker.*501'" );
 is( $result->return_code, 0, "Checking regexp search of arguments" );
diff --git a/plugins/tests/check_snmp.t b/plugins/tests/check_snmp.t
index d865e19..aace9bc 100755
--- a/plugins/tests/check_snmp.t
+++ b/plugins/tests/check_snmp.t
@@ -79,7 +79,7 @@ Copyright (c) 1986-2004 by cisco Systems, Inc.
 $res = NPTest->testCmd( "./check_snmp -H 127.0.0.1 -C public -p $port_snmp -o .1.3.6.1.4.1.8072.3.2.67.0 -o sysContact.0 -o .1.3.6.1.4.1.8072.3.2.67.1");
 cmp_ok( $res->return_code, '==', 0, "Exit OK when querying multi-line OIDs" );
 like($res->output, '/^SNMP OK - /', "String contains SNMP OK");
-like($res->output, '/'.quotemeta('SNMP OK - Cisco Internetwork Operating System Software "Alice" Kisco Outernetwork Oserating Gystem Totware | 
+like($res->output, '/'.quotemeta('SNMP OK - Cisco Internetwork Operating System Software ').'"?Alice"?'.quotemeta(' Kisco Outernetwork Oserating Gystem Totware | 
 .1.3.6.1.4.1.8072.3.2.67.0:
 "Cisco Internetwork Operating System Software
 IOS (tm) Catalyst 4000 \"L3\" Switch Software (cat4000-I9K91S-M), Version