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diff --git a/plugins/check_procs.c b/plugins/check_procs.c
index 7dae845..d56d457 100644
--- a/plugins/check_procs.c
+++ b/plugins/check_procs.c
@@ -91,11 +91,13 @@ float pcpu;
91char *statopts; 91char *statopts;
92char *prog; 92char *prog;
93char *args; 93char *args;
94char *input_filename = NULL;
94regex_t re_args; 95regex_t re_args;
95char *fmt; 96char *fmt;
96char *fails; 97char *fails;
97char tmp[MAX_INPUT_BUFFER]; 98char tmp[MAX_INPUT_BUFFER];
98 99
100FILE *ps_input = NULL;
99 101
100 102
101int 103int
@@ -156,25 +158,31 @@ main (int argc, char **argv)
156 if (verbose >= 2) 158 if (verbose >= 2)
157 printf (_("CMD: %s\n"), PS_COMMAND); 159 printf (_("CMD: %s\n"), PS_COMMAND);
158 160
159 child_process = spopen (PS_COMMAND); 161 if (input_filename == NULL) {
160 if (child_process == NULL) { 162 ps_input = spopen (PS_COMMAND);
161 printf (_("Could not open pipe: %s\n"), PS_COMMAND); 163 if (ps_input == NULL) {
162 return STATE_UNKNOWN; 164 printf (_("Could not open pipe: %s\n"), PS_COMMAND);
165 return STATE_UNKNOWN;
166 }
167 child_stderr = fdopen (child_stderr_array[fileno (ps_input)], "r");
168 if (child_stderr == NULL)
169 printf (_("Could not open stderr for %s\n"), PS_COMMAND);
170 } else {
171 ps_input = fopen(input_filename, "r");
172 if (ps_input == NULL) {
173 die( STATE_UNKNOWN, _("Error opening %s\n"), input_filename );
174 }
163 } 175 }
164 176
165 child_stderr = fdopen (child_stderr_array[fileno (child_process)], "r");
166 if (child_stderr == NULL)
167 printf (_("Could not open stderr for %s\n"), PS_COMMAND);
168
169 /* flush first line */ 177 /* flush first line */
170 fgets (input_buffer, MAX_INPUT_BUFFER - 1, child_process); 178 fgets (input_buffer, MAX_INPUT_BUFFER - 1, ps_input);
171 while ( input_buffer[strlen(input_buffer)-1] != '\n' ) 179 while ( input_buffer[strlen(input_buffer)-1] != '\n' )
172 fgets (input_buffer, MAX_INPUT_BUFFER - 1, child_process); 180 fgets (input_buffer, MAX_INPUT_BUFFER - 1, ps_input);
173 181
174 while (fgets (input_buffer, MAX_INPUT_BUFFER - 1, child_process)) { 182 while (fgets (input_buffer, MAX_INPUT_BUFFER - 1, ps_input)) {
175 asprintf (&input_line, "%s", input_buffer); 183 asprintf (&input_line, "%s", input_buffer);
176 while ( input_buffer[strlen(input_buffer)-1] != '\n' ) { 184 while ( input_buffer[strlen(input_buffer)-1] != '\n' ) {
177 fgets (input_buffer, MAX_INPUT_BUFFER - 1, child_process); 185 fgets (input_buffer, MAX_INPUT_BUFFER - 1, ps_input);
178 asprintf (&input_line, "%s%s", input_line, input_buffer); 186 asprintf (&input_line, "%s%s", input_line, input_buffer);
179 } 187 }
180 188
@@ -273,19 +281,21 @@ main (int argc, char **argv)
273 } 281 }
274 282
275 /* If we get anything on STDERR, at least set warning */ 283 /* If we get anything on STDERR, at least set warning */
276 while (fgets (input_buffer, MAX_INPUT_BUFFER - 1, child_stderr)) { 284 if (input_filename == NULL) {
277 if (verbose) 285 while (fgets (input_buffer, MAX_INPUT_BUFFER - 1, child_stderr)) {
278 printf ("STDERR: %s", input_buffer); 286 if (verbose)
279 result = max_state (result, STATE_WARNING); 287 printf ("STDERR: %s", input_buffer);
280 printf (_("System call sent warnings to stderr\n")); 288 result = max_state (result, STATE_WARNING);
281 } 289 printf (_("System call sent warnings to stderr\n"));
290 }
282 291
283 (void) fclose (child_stderr); 292 (void) fclose (child_stderr);
284 293
285 /* close the pipe */ 294 /* close the pipe */
286 if (spclose (child_process)) { 295 if (spclose (ps_input)) {
287 printf (_("System call returned nonzero status\n")); 296 printf (_("System call returned nonzero status\n"));
288 result = max_state (result, STATE_WARNING); 297 result = max_state (result, STATE_WARNING);
298 }
289 } 299 }
290 300
291 if (found == 0) { /* no process lines parsed so return STATE_UNKNOWN */ 301 if (found == 0) { /* no process lines parsed so return STATE_UNKNOWN */
@@ -357,6 +367,7 @@ process_arguments (int argc, char **argv)
357 {"version", no_argument, 0, 'V'}, 367 {"version", no_argument, 0, 'V'},
358 {"verbose", no_argument, 0, 'v'}, 368 {"verbose", no_argument, 0, 'v'},
359 {"ereg-argument-array", required_argument, 0, CHAR_MAX+1}, 369 {"ereg-argument-array", required_argument, 0, CHAR_MAX+1},
370 {"input-file", required_argument, 0, CHAR_MAX+2},
360 {0, 0, 0, 0} 371 {0, 0, 0, 0}
361 }; 372 };
362 373
@@ -523,6 +534,9 @@ process_arguments (int argc, char **argv)
523 case 'v': /* command */ 534 case 'v': /* command */
524 verbose++; 535 verbose++;
525 break; 536 break;
537 case CHAR_MAX+2:
538 input_filename = optarg;
539 break;
526 } 540 }
527 } 541 }
528 542
@@ -690,7 +704,7 @@ print_help (void)
690{ 704{
691 print_revision (progname, revision); 705 print_revision (progname, revision);
692 706
693 printf ("Copyright (c) 1999 Ethan Galstad <nagios@nagios.org>"); 707 printf ("Copyright (c) 1999 Ethan Galstad <nagios@nagios.org>\n");
694 printf (COPYRIGHT, copyright, email); 708 printf (COPYRIGHT, copyright, email);
695 709
696 printf ("%s\n", _("Checks all processes and generates WARNING or CRITICAL states if the specified")); 710 printf ("%s\n", _("Checks all processes and generates WARNING or CRITICAL states if the specified"));