Fix usage of repeated -o options in check_snmp

3 files changed, 19 insertions, 10 deletions

diff --git a/NEWS b/NEWS
index a20dbbe..f5be201 100644
--- a/NEWS
+++ b/NEWS
@@ -6,6 +6,7 @@ This file documents the major additions and syntax changes between releases.
         Fix check_ircd binding to wrong interface (#668778)
         Add proxy-authorization option to check_http (Marcel Kuiper - #1323230, Bryan Irvine - #2863925)
         check_icmp now increment the sequence counter in each packet
+        Fix usage of repeated -o options in check_snmp
         WARNINGS
         Updated developer documentation to say that performance labels should not have an equals sign or
         single quote in the label
diff --git a/plugins/check_snmp.c b/plugins/check_snmp.c
index db16462..dcb3138 100644
--- a/plugins/check_snmp.c
+++ b/plugins/check_snmp.c
@@ -506,7 +506,7 @@ process_arguments (int argc, char **argv)
                                          */
                                         needmibs = TRUE;
                         }
-                        oids = calloc(MAX_OIDS, sizeof (char *));
+                        if (!oids) oids = calloc(MAX_OIDS, sizeof (char *));
                         for (ptr = strtok(optarg, ", "); ptr != NULL && j < MAX_OIDS; ptr = strtok(NULL, ", "), j++) {
                                 oids[j] = strdup(ptr);
                         }
diff --git a/plugins/t/check_snmp.t b/plugins/t/check_snmp.t
index d65fd0b..004ba1a 100644
--- a/plugins/t/check_snmp.t
+++ b/plugins/t/check_snmp.t
@@ -8,7 +8,7 @@ use strict;
 use Test::More;
 use NPTest;
 
-my $tests = 46;
+my $tests = 8+38+2+2;
 plan tests => $tests;
 my $res;
 
@@ -44,10 +44,10 @@ SKIP: {
         like( $res->output, "/check_snmp: Invalid SNMP version - 3c/" );
 
         SKIP: {
-                skip "no snmp host defined", 34 if ( ! $host_snmp );
+                skip "no snmp host defined", 38 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" ); 
+                cmp_ok( $res->return_code, '==', 0, "Exit OK when querying uptime" );
                 like($res->output, '/^SNMP OK - (\d+)/', "String contains SNMP OK");
                 $res->output =~ /^SNMP OK - (\d+)/;
                 my $value = $1;
@@ -59,19 +59,27 @@ SKIP: {
                 like($res->output, '/^SNMP OK - \d+/', "String contains SNMP OK");
 
                 $res = NPTest->testCmd( "./check_snmp -H $host_snmp -C $snmp_community -o system.sysDescr.0");
-                cmp_ok( $res->return_code, '==', 0, "Exit OK when querying sysDescr" ); 
+                cmp_ok( $res->return_code, '==', 0, "Exit OK when querying sysDescr" );
                 unlike($res->perf_output, '/sysDescr/', "Perfdata doesn't contain string values");
 
+                $res = NPTest->testCmd( "./check_snmp -H $host_snmp -C $snmp_community -o system.sysDescr.0,system.sysDescr.0");
+                cmp_ok( $res->return_code, '==', 0, "Exit OK when querying two string OIDs, comma-separated" );
+                like($res->output, '/^SNMP OK - /', "String contains SNMP OK");
+
+                $res = NPTest->testCmd( "./check_snmp -H $host_snmp -C $snmp_community -o system.sysDescr.0 -o system.sysDescr.0");
+                cmp_ok( $res->return_code, '==', 0, "Exit OK when querying two string OIDs, repeated option" );
+                like($res->output, '/^SNMP OK - /', "String contains SNMP OK");
+
                 $res = NPTest->testCmd( "./check_snmp -H $host_snmp -C $snmp_community -o host.hrSWRun.hrSWRunTable.hrSWRunEntry.hrSWRunIndex.1 -w 1:1 -c 1:1");
-                cmp_ok( $res->return_code, '==', 0, "Exit OK when querying hrSWRunIndex.1" ); 
+                cmp_ok( $res->return_code, '==', 0, "Exit OK when querying hrSWRunIndex.1" );
                 like($res->output, '/^SNMP OK - 1\s.*$/', "String fits SNMP OK and output format");
 
                 $res = NPTest->testCmd( "./check_snmp -H $host_snmp -C $snmp_community -o host.hrSWRun.hrSWRunTable.hrSWRunEntry.hrSWRunIndex.1 -w 0   -c 1:");
-                cmp_ok( $res->return_code, '==', 1, "Exit WARNING when querying hrSWRunIndex.1 and warn-th doesn't apply " ); 
+                cmp_ok( $res->return_code, '==', 1, "Exit WARNING when querying hrSWRunIndex.1 and warn-th doesn't apply " );
                 like($res->output, '/^SNMP WARNING - \*1\*\s.*$/', "String matches SNMP WARNING and output format");
 
                 $res = NPTest->testCmd( "./check_snmp -H $host_snmp -C $snmp_community -o host.hrSWRun.hrSWRunTable.hrSWRunEntry.hrSWRunIndex.1 -w  :0 -c 0");
-                cmp_ok( $res->return_code, '==', 2, "Exit CRITICAL when querying hrSWRunIndex.1 and crit-th doesn't apply" ); 
+                cmp_ok( $res->return_code, '==', 2, "Exit CRITICAL when querying hrSWRunIndex.1 and crit-th doesn't apply" );
                 like($res->output, '/^SNMP CRITICAL - \*1\*\s.*$/', "String matches SNMP CRITICAL and output format");
 
                 $res = NPTest->testCmd( "./check_snmp -H $host_snmp -C $snmp_community -o ifIndex.2,ifIndex.1 -w 1:2 -c 1:2");
@@ -123,14 +131,14 @@ SKIP: {
         SKIP: {
                 skip "no non responsive host defined", 2 if ( ! $host_nonresponsive );
                 $res = NPTest->testCmd( "./check_snmp -H $host_nonresponsive -C np_foobar -o system.sysUpTime.0 -w 1: -c 1:");
-                cmp_ok( $res->return_code, '==', 3, "Exit UNKNOWN with non responsive host" ); 
+                cmp_ok( $res->return_code, '==', 3, "Exit UNKNOWN with non responsive host" );
                 like($res->output, '/External command error: Timeout: No Response from /', "String matches timeout problem");
         }
 
         SKIP: {
                 skip "no non invalid host defined", 2 if ( ! $hostname_invalid );
                 $res = NPTest->testCmd( "./check_snmp -H $hostname_invalid   -C np_foobar -o system.sysUpTime.0 -w 1: -c 1:");
-                cmp_ok( $res->return_code, '==', 3, "Exit UNKNOWN with non responsive host" ); 
+                cmp_ok( $res->return_code, '==', 3, "Exit UNKNOWN with non responsive host" );
                 like($res->output, '/External command error: .*(nosuchhost|Name or service not known|Unknown host)/', "String matches invalid host");
         }