Stop double expansion of parameters for negate - works like

time command now


git-svn-id: https://nagiosplug.svn.sourceforge.net/svnroot/nagiosplug/nagiosplug/trunk@1784 f882894a-f735-0410-b71e-b25c423dba1c

4 files changed, 130 insertions, 108 deletions

diff --git a/plugins/Makefile.am b/plugins/Makefile.am
index 5e3cb0f..c0486bc 100644
--- a/plugins/Makefile.am
+++ b/plugins/Makefile.am
@@ -87,7 +87,7 @@ check_ups_LDADD = $(NETLIBS)
 check_users_LDADD = $(BASEOBJS) popen.o
 check_by_ssh_LDADD = $(NETLIBS) runcmd.o
 check_ide_smart_LDADD = $(BASEOBJS)
-negate_LDADD = $(BASEOBJS) popen.o
+negate_LDADD = $(BASEOBJS)
 urlize_LDADD = $(BASEOBJS) popen.o
 
 check_apt_DEPENDENCIES = check_apt.c $(BASEOBJS) runcmd.o $(DEPLIBS)
@@ -126,7 +126,7 @@ check_time_DEPENDENCIES = check_time.c $(NETOBJS) $(DEPLIBS)
 check_ups_DEPENDENCIES = check_ups.c $(NETOBJS) $(DEPLIBS)
 check_users_DEPENDENCIES = check_users.c $(BASEOBJS) popen.o $(DEPLIBS)
 check_by_ssh_DEPENDENCIES = check_by_ssh.c $(NETOBJS) runcmd.o $(DEPLIBS)
-negate_DEPENDENCIES = negate.c $(BASEOBJS) popen.o $(DEPLIBS)
+negate_DEPENDENCIES = negate.c $(BASEOBJS) $(DEPLIBS)
 urlize_DEPENDENCIES = urlize.c $(BASEOBJS) popen.o $(DEPLIBS)
 
 ##############################################################################
diff --git a/plugins/negate.c b/plugins/negate.c
index 8b2dff0..cbde6a1 100644
--- a/plugins/negate.c
+++ b/plugins/negate.c
@@ -77,12 +77,12 @@ const char *email = "nagiosplug-devel@lists.sourceforge.net";
 
 #include "common.h"
 #include "utils.h"
-#include "popen.h"
+#include "utils_cmd.h"
 
-char *command_line;
+//char *command_line;
 
-int process_arguments (int, char **);
-int validate_arguments (void);
+static const char **process_arguments (int, char **);
+int validate_arguments (char **);
 void print_help (void);
 void print_usage (void);
 
@@ -93,13 +93,15 @@ main (int argc, char **argv)
 {
         int found = 0, result = STATE_UNKNOWN;
         char *buf;
+        char **command_line;
+        output chld_out, chld_err;
+        int i;
 
         setlocale (LC_ALL, "");
         bindtextdomain (PACKAGE, LOCALEDIR);
         textdomain (PACKAGE);
 
-        if (process_arguments (argc, argv) == ERROR)
-                usage4 (_("Could not parse arguments"));
+        command_line = (char **) process_arguments (argc, argv);
 
         /* Set signal handling and alarm */
         if (signal (SIGALRM, timeout_alarm_handler) == SIG_ERR)
@@ -107,36 +109,26 @@ main (int argc, char **argv)
 
         (void) alarm ((unsigned) timeout_interval);
 
-        child_process = spopen (command_line);
-        if (child_process == NULL)
-                die (STATE_UNKNOWN, _("Could not open pipe: %s\n"), command_line);
-
-        child_stderr = fdopen (child_stderr_array[fileno (child_process)], "r");
-        
-        if (child_stderr == NULL) {
-                printf (_("Could not open stderr for %s\n"), command_line);
+        /* catch when the command is quoted */
+        if(command_line[1] == NULL) {
+                result = cmd_run (command_line[0], &chld_out, &chld_err, 0);
+        } else {
+                result = cmd_run_array (command_line, &chld_out, &chld_err, 0);
         }
-
-        buf = malloc(MAX_INPUT_BUFFER);
-        while (fgets (buf, MAX_INPUT_BUFFER - 1, child_process)) {
-                found++;
-                printf ("%s", buf);
+        if (chld_err.lines > 0) {
+                printf ("Error output from command:\n");
+                for (i = 0; i < chld_err.lines; i++) {
+                        printf ("%s\n", chld_err.line[i]);
+                }
+                exit (STATE_WARNING);
         }
 
-        if (!found)
-                die (STATE_UNKNOWN,
-                     _("%s problem - No data received from host\nCMD: %s\n"),\
-                     argv[0], command_line);
-
-        /* close the pipe */
-        result = spclose (child_process);
-
-        /* WARNING if output found on stderr */
-        if (fgets (buf, MAX_INPUT_BUFFER - 1, child_stderr))
-                result = max_state (result, STATE_WARNING);
+        if (chld_out.lines == 0)
+                die (STATE_UNKNOWN, _("No data returned from command\n"));
 
-        /* close stderr */
-        (void) fclose (child_stderr);
+        for (i = 0; i < chld_out.lines; i++) {
+                printf ("%s\n", chld_out.line[i]);
+        }
 
         if (result == STATE_OK)
                 exit (STATE_CRITICAL);
@@ -167,7 +159,7 @@ is a only a 'timeout' option.</para>
 
 
 /* process command-line arguments */
-int
+static const char **
 process_arguments (int argc, char **argv)
 {
         int c;
@@ -181,8 +173,7 @@ process_arguments (int argc, char **argv)
         };
 
         while (1) {
-                c = getopt_long (argc, argv, "+hVt:",
-                                 longopts, &option);
+                c = getopt_long (argc, argv, "+hVt:", longopts, &option);
 
                 if (c == -1 || c == EOF)
                         break;
@@ -207,12 +198,9 @@ process_arguments (int argc, char **argv)
                 }
         }
 
-        asprintf (&command_line, "%s", argv[optind]);
-        for (c = optind+1; c < argc; c++) {
-                asprintf (&command_line, "%s %s", command_line, argv[c]);
-        }
+        validate_arguments (&argv[optind]);
 
-        return validate_arguments ();
+        return (const char **) &argv[optind];
 }
 
 
@@ -230,11 +218,13 @@ process_arguments (int argc, char **argv)
 
 
 int
-validate_arguments ()
+validate_arguments (char **command_line)
 {
-        if (command_line == NULL)
-                return ERROR;
-        return STATE_OK;
+        if (command_line[0] == NULL)
+                usage4 (_("Could not parse arguments"));
+
+        if (strncmp(command_line[0],"/",1) != 0 && strncmp(command_line[0],"./",2) != 0)
+                usage4 (_("Require path to command"));
 }
 
 /******************************************************************************
@@ -256,7 +246,7 @@ print_help (void)
 
         printf ("%s\n", _("Negates the status of a plugin (returns OK for CRITICAL, and vice-versa)."));
 
-  printf ("\n\n");
+        printf ("\n\n");
 
         print_usage ();
 
@@ -265,19 +255,20 @@ print_help (void)
         printf (_(UT_TIMEOUT), DEFAULT_TIMEOUT);
 
         printf ("    %s\n", _("[keep timeout than the plugin timeout to retain CRITICAL status]"));
-  printf ("\n");
-  printf ("%s\n", _("Examples:"));
-        printf (" %s\n", "negate \"/usr/local/nagios/libexec/check_ping -H host\"");
-  printf ("    %s\n", _("Run check_ping and invert result. Must use full path to plugin"));
-  printf (" %s\n", "negate \"/usr/local/nagios/libexec/check_procs -a 'vi negate.c'\"");
-  printf ("    %s\n", _("Use single quotes if you need to retain spaces"));
-  printf (_(UT_VERBOSE));
-  printf ("\n");
-  printf ("%s\n", _("Notes:"));
+        printf ("\n");
+        printf ("%s\n", _("Examples:"));
+        printf (" %s\n", "negate /usr/local/nagios/libexec/check_ping -H host");
+        printf ("    %s\n", _("Run check_ping and invert result. Must use full path to plugin"));
+        printf (" %s\n", "negate /usr/local/nagios/libexec/check_procs -a 'vi negate.c'");
+        printf ("    %s\n", _("Use single quotes if you need to retain spaces"));
+        printf (_(UT_VERBOSE));
+        printf ("\n");
+        printf ("%s\n", _("Notes:"));
         printf ("%s\n", _("This plugin is a wrapper to take the output of another plugin and invert it."));
-  printf ("%s\n", _("If the wrapped plugin returns STATE_OK, the wrapper will return STATE_CRITICAL."));
-  printf ("%s\n", _("If the wrapped plugin returns STATE_CRITICAL, the wrapper will return STATE_OK."));
-  printf ("%s\n", _("Otherwise, the output state of the wrapped plugin is unchanged."));
+        printf ("%s\n", _("The full path of the plugin must be provided."));
+        printf ("%s\n", _("If the wrapped plugin returns STATE_OK, the wrapper will return STATE_CRITICAL."));
+        printf ("%s\n", _("If the wrapped plugin returns STATE_CRITICAL, the wrapper will return STATE_OK."));
+        printf ("%s\n", _("Otherwise, the output state of the wrapped plugin is unchanged."));
 
         printf (_(UT_SUPPORT));
 }
@@ -287,6 +278,6 @@ print_help (void)
 void
 print_usage (void)
 {
-  printf (_("Usage:"));
+        printf (_("Usage:"));
         printf ("%s [-t timeout] <definition of wrapped plugin>\n",progname);
 }
diff --git a/plugins/t/negate.pl b/plugins/t/negate.pl
deleted file mode 100644
index 6c56d4f..0000000
--- a/plugins/t/negate.pl
+++ /dev/null
@@ -1,48 +0,0 @@
-#! /usr/bin/perl -w -I ..
-#
-# negate checks
-# Need check_dummy to work for testing
-#
-# $Id$
-#
-
-use strict;
-use Test::More;
-use NPTest;
-
-plan tests => 40;
-
-my $res;
-
-$res = NPTest->testCmd( "./negate" );
-is( $res->return_code, 3, "Not enough parameters");
-like( $res->output, "/Could not parse arguments/", "Could not parse arguments");
-
-$res = NPTest->testCmd( "./negate ./check_dummy 0 'a dummy okay'" );
-is( $res->return_code, 2, "OK changed to CRITICAL" );
-is( $res->output, "OK: a dummy okay" );
-
-$res = NPTest->testCmd( "./negate './check_dummy 0 redsweaterblog'");
-is( $res->return_code, 2, "OK => CRIT with a single quote for command to run" );
-is( $res->output, "OK: redsweaterblog" );
-
-$res = NPTest->testCmd( "./negate ./check_dummy 1 'a warn a day keeps the managers at bay'" );
-is( $res->return_code, 2, "WARN stays same" );
-
-$res = NPTest->testCmd( "./negate ./check_dummy 3 mysterious");
-is( $res->return_code, 3, "UNKNOWN stays same" );
-
-my %state = (
-        ok => 0,
-        warning => 1,
-        critical => 2,
-        unknown => 3,
-        );
-foreach my $current_state (qw(ok warning critical unknown)) {
-        foreach my $new_state (qw(ok warning critical unknown)) {
-                $res = NPTest->testCmd( "./negate --$current_state=$new_state ./check_dummy ".$state{$current_state}." 'Fake $new_state'" );
-                is( $res->return_code, $state{$new_state}, "Got fake $new_state" );
-                is( $res->output, uc($current_state).": Fake $new_state" );
-        }
-}
-
diff --git a/plugins/t/negate.t b/plugins/t/negate.t
new file mode 100644
index 0000000..0efa0ca
--- /dev/null
+++ b/plugins/t/negate.t
@@ -0,0 +1,79 @@
+#! /usr/bin/perl -w -I ..
+#
+# negate checks
+# Need check_dummy to work for testing
+#
+# $Id: negate.pl 1717 2007-05-24 08:53:50Z tonvoon $
+#
+
+use strict;
+use Test::More;
+use NPTest;
+
+# 47 tests if the "map changes to return codes" patch is applied
+#plan tests => 47;
+plan tests => 15;
+
+my $res;
+
+my $PWD = $ENV{PWD};
+
+$res = NPTest->testCmd( "./negate" );
+is( $res->return_code, 3, "Not enough parameters");
+like( $res->output, "/Could not parse arguments/", "Could not parse arguments");
+
+$res = NPTest->testCmd( "./negate bobthebuilder" );
+is( $res->return_code, 3, "Require full path" );
+like( $res->output, "/Require path to command/", "Appropriate error message");
+
+$res = NPTest->testCmd( "./negate $PWD/check_dummy 0 'a dummy okay'" );
+is( $res->return_code, 2, "OK changed to CRITICAL" );
+is( $res->output, "OK: a dummy okay", "Output as expected" );
+
+$res = NPTest->testCmd( "./negate '$PWD/check_dummy 0 redsweaterblog'");
+is( $res->return_code, 2, "OK => CRIT with a single quote for command to run" );
+is( $res->output, "OK: redsweaterblog", "Output as expected" );
+
+$res = NPTest->testCmd( "./negate $PWD/check_dummy 1 'a warn a day keeps the managers at bay'" );
+is( $res->return_code, 1, "WARN stays same" );
+
+$res = NPTest->testCmd( "./negate $PWD/check_dummy 3 mysterious");
+is( $res->return_code, 3, "UNKNOWN stays same" );
+
+$res = NPTest->testCmd( "./negate \"$PWD/check_dummy 0 'a dummy okay'\"" );
+is( $res->output, "OK: a dummy okay", "Checking slashed quotes - the single quotes are re-evaluated at shell" );
+
+# Output is "OK: a" because check_dummy only returns the first arg
+$res = NPTest->testCmd( "./negate $PWD/check_dummy 0 a dummy okay" );
+is( $res->output, "OK: a", "Multiple args passed as arrays" );
+
+$res = NPTest->testCmd( "./negate $PWD/check_dummy 0 'a dummy okay'" );
+is( $res->output, "OK: a dummy okay", "The quoted string is passed through to subcommand correctly" );
+
+$res = NPTest->testCmd( "./negate '$PWD/check_dummy 0' 'a dummy okay'" );
+is( $res->output, "No data returned from command", "Bad command, as expected (trying to execute './check_dummy 0')");
+
+$res = NPTest->testCmd( './negate $PWD/check_dummy 0 \'$$ a dummy okay\'' );
+is( $res->output, 'OK: $$ a dummy okay', 'Proves that $$ is not being expanded again' );
+
+
+# Remove __DATA__ to run tests with future patch
+__DATA__
+
+TODO: {
+        local $TODO = "Codes can be switched";
+        my %state = (
+                ok => 0,
+                warning => 1,
+                critical => 2,
+                unknown => 3,
+                );
+        foreach my $current_state (qw(ok warning critical unknown)) {
+                foreach my $new_state (qw(ok warning critical unknown)) {
+                        $res = NPTest->testCmd( "./negate --$current_state=$new_state ./check_dummy ".$state{$current_state}." 'Fake $new_state'" );
+                        is( $res->return_code, $state{$new_state}, "Got fake $new_state" );
+                        is( $res->output, uc($current_state).": Fake $new_state" );
+                }
+        }
+}
+