check_procs captures stderr and adds to plugin output. This is

from a merge of branch nagiosplug/branches/new_threshold_syntax 1979:1982


git-svn-id: https://nagiosplug.svn.sourceforge.net/svnroot/nagiosplug/nagiosplug/trunk@2019 f882894a-f735-0410-b71e-b25c423dba1c

1 files changed, 15 insertions, 46 deletions

diff --git a/plugins/check_procs.c b/plugins/check_procs.c
index 875f867..4aaeddb 100644
--- a/plugins/check_procs.c
+++ b/plugins/check_procs.c
@@ -41,8 +41,8 @@ const char *copyright = "2000-2008";
 const char *email = "nagiosplug-devel@lists.sourceforge.net";
 
 #include "common.h"
-#include "popen.h"
 #include "utils.h"
+#include "utils_cmd.h"
 #include "regex.h"
 
 #include <pwd.h>
@@ -129,8 +129,9 @@ main (int argc, char **argv)
         int expected_cols = PS_COLS - 1;
         int warn = 0; /* number of processes in warn state */
         int crit = 0; /* number of processes in crit state */
-        int i = 0;
+        int i = 0, j = 0;
         int result = STATE_UNKNOWN;
+        output chld_out, chld_err;
 
         setlocale (LC_ALL, "");
         bindtextdomain (PACKAGE, LOCALEDIR);
@@ -153,41 +154,27 @@ main (int argc, char **argv)
         mypid = getpid();
 
         /* Set signal handling and alarm timeout */
-        if (signal (SIGALRM, popen_timeout_alarm_handler) == SIG_ERR) {
-                usage4 (_("Cannot catch SIGALRM"));
+        if (signal (SIGALRM, timeout_alarm_handler) == SIG_ERR) {
+                die (STATE_UNKNOWN, _("Cannot catch SIGALRM"));
         }
-        alarm (timeout_interval);
+        (void) alarm ((unsigned) timeout_interval);
 
         if (verbose >= 2)
                 printf (_("CMD: %s\n"), PS_COMMAND);
 
         if (input_filename == NULL) {
-                ps_input = spopen (PS_COMMAND);
-                if (ps_input == NULL) {
-                        printf (_("Could not open pipe: %s\n"), PS_COMMAND);
-                        return STATE_UNKNOWN;
+                result = cmd_run( PS_COMMAND, &chld_out, &chld_err, 0);
+                if (chld_err.lines > 0) {
+                        printf ("%s: %s", _("System call sent warnings to stderr"), chld_err.line[0]);
+                        exit(STATE_WARNING);
                 }
-                child_stderr = fdopen (child_stderr_array[fileno (ps_input)], "r");
-                if (child_stderr == NULL)
-                        printf (_("Could not open stderr for %s\n"), PS_COMMAND);
         } else {
-                ps_input = fopen(input_filename, "r");
-                if (ps_input == NULL) {
-                        die( STATE_UNKNOWN, _("Error opening %s\n"), input_filename );
-                }
+                result = cmd_file_read( input_filename, &chld_out, 0);
         }
 
-        /* flush first line */
-        fgets (input_buffer, MAX_INPUT_BUFFER - 1, ps_input);
-        while ( input_buffer[strlen(input_buffer)-1] != '\n' )
-                fgets (input_buffer, MAX_INPUT_BUFFER - 1, ps_input);
-
-        while (fgets (input_buffer, MAX_INPUT_BUFFER - 1, ps_input)) {
-                asprintf (&input_line, "%s", input_buffer);
-                while ( input_buffer[strlen(input_buffer)-1] != '\n' ) {
-                        fgets (input_buffer, MAX_INPUT_BUFFER - 1, ps_input);
-                        asprintf (&input_line, "%s%s", input_line, input_buffer);
-                }
+        /* flush first line: j starts at 1 */
+        for (j = 1; j < chld_out.lines; j++) {
+                input_line = chld_out.line[j];
 
                 if (verbose >= 3)
                         printf ("%s", input_line);
@@ -283,27 +270,9 @@ main (int argc, char **argv)
                 }
         }
 
-        /* If we get anything on STDERR, at least set warning */
-        if (input_filename == NULL) {
-                while (fgets (input_buffer, MAX_INPUT_BUFFER - 1, child_stderr)) {
-                        if (verbose)
-                                printf ("STDERR: %s", input_buffer);
-                        result = max_state (result, STATE_WARNING);
-                        printf (_("System call sent warnings to stderr\n"));
-                }
-        
-                (void) fclose (child_stderr);
-
-                /* close the pipe */
-                if (spclose (ps_input)) {
-                        printf (_("System call returned nonzero status\n"));
-                        result = max_state (result, STATE_WARNING);
-                }
-        }
-
         if (found == 0) {                                                       /* no process lines parsed so return STATE_UNKNOWN */
                 printf (_("Unable to read output\n"));
-                return result;
+                return STATE_UNKNOWN;
         }
 
         if ( result == STATE_UNKNOWN )