handle case where line from ps output exceed MAX_INPUT_BUFFER

git-svn-id: https://nagiosplug.svn.sourceforge.net/svnroot/nagiosplug/nagiosplug/trunk@815 f882894a-f735-0410-b71e-b25c423dba1c

1 files changed, 20 insertions, 4 deletions

diff --git a/plugins/check_procs.c b/plugins/check_procs.c
index 782a9a1..edb33ac 100644
--- a/plugins/check_procs.c
+++ b/plugins/check_procs.c
@@ -79,7 +79,9 @@ char tmp[MAX_INPUT_BUFFER];
 int
 main (int argc, char **argv)
 {
-        char input_buffer[MAX_INPUT_BUFFER];
+        char *input_buffer;
+        char *input_line;
+        char *procprog;
 
         int procuid = 0;
         int procppid = 0;
@@ -87,7 +89,6 @@ main (int argc, char **argv)
         int procrss = 0;
         float procpcpu = 0;
         char procstat[8];
-        char procprog[MAX_INPUT_BUFFER];
         char *procargs;
         char *temp_string;
 
@@ -109,6 +110,9 @@ main (int argc, char **argv)
         bindtextdomain (PACKAGE, LOCALEDIR);
         textdomain (PACKAGE);
 
+        input_buffer = malloc (MAX_INPUT_BUFFER);
+        procprog = malloc (MAX_INPUT_BUFFER);
+
         asprintf (&metric_name, "PROCS");
         metric = METRIC_PROCS;
 
@@ -128,13 +132,25 @@ main (int argc, char **argv)
         if (child_stderr == NULL)
                 printf (_("Could not open stderr for %s\n"), PS_COMMAND);
 
+        /* flush first line */
         fgets (input_buffer, MAX_INPUT_BUFFER - 1, child_process);
+        while ( input_buffer[strlen(input_buffer)-1] != '\n' )
+                fgets (input_buffer, MAX_INPUT_BUFFER - 1, child_process);
 
         while (fgets (input_buffer, MAX_INPUT_BUFFER - 1, child_process)) {
+                asprintf (&input_line, "%s", input_buffer);
+                while ( input_buffer[strlen(input_buffer)-1] != '\n' ) {
+                        fgets (input_buffer, MAX_INPUT_BUFFER - 1, child_process);
+                        asprintf (&input_line, "%s%s", input_line, input_buffer);
+                }
+
+                if (verbose >= 3)
+                        printf ("%s", input_line);
+
                 strcpy (procprog, "");
                 asprintf (&procargs, "%s", "");
 
-                cols = sscanf (input_buffer, PS_FORMAT, PS_VARLIST);
+                cols = sscanf (input_line, PS_FORMAT, PS_VARLIST);
 
                 /* Zombie processes do not give a procprog command */
                 if ( cols == (expected_cols - 1) && strstr(procstat, zombie) ) {
@@ -146,7 +162,7 @@ main (int argc, char **argv)
                 }
                 if ( cols >= expected_cols ) {
                         resultsum = 0;
-                        asprintf (&procargs, "%s", input_buffer + pos);
+                        asprintf (&procargs, "%s", input_line + pos);
                         strip (procargs);
 
                         /* Some ps return full pathname for command. This removes path */